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diff --git a/src/wq/env/Lib/site-packages/django/conf/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/conf/locale/ky/LC_MESSAGES/django.mo
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@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bakhtawar Barzan, 2021
+# kosar tofiq <kosar.belana@gmail.com>, 2020
+# Swara <swara09@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-04-24 20:19+0000\n"
+"Last-Translator: Swara <swara09@gmail.com>, 2022\n"
+"Language-Team: Central Kurdish (http://www.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "بەڵگەنامەکردنی کارگێڕی"
+
+msgid "Home"
+msgstr "ماڵەوە"
+
+msgid "Documentation"
+msgstr "بەڵگەنامەکردن"
+
+msgid "Bookmarklets"
+msgstr "ئاماژەکان"
+
+msgid "Documentation bookmarklets"
+msgstr "بەڵگەنامەکردنی ئاماژەکان"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"بۆ دامەزراندنی ئاماژەکان، بەستەرەکە ڕابکێشە بۆ سەر جێدۆزەکانت، یان کرتەی "
+"ڕاست لەسەر بەستەرەکە بکە و زیادی بکە بۆ ئاماژەکانت. ئێستا دەتوانیت لە هەر "
+"لاپەڕەیەک لە ماڵپەڕەکەدا ئاماژە هەڵبژێریت."
+
+msgid "Documentation for this page"
+msgstr "بەڵگەنامەکردن بۆ ئەم لاپەڕە"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"لە هەر لاپەڕەیەکەوە دەچێتەسەر بەڵگەنامەکان بۆ ئەو دیمەنەی کە ئەو لاپەڕەیە "
+"دروست دەکات."
+
+msgid "Tags"
+msgstr "تاگەکان"
+
+msgid "List of all the template tags and their functions."
+msgstr "لیستی هەموو تاگەکانی ڕووکار و ئەرکەکانیان."
+
+msgid "Filters"
+msgstr "پاڵاوتنەکان"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"پاڵاوتنەکان ئەو کردارانەن کە دەتوانرێت بۆ گۆڕاوەکان لە ڕووکارێکدا "
+"بەکاربهێنرێن بۆ گۆڕینی دەرچوێنراوەکە."
+
+msgid "Models"
+msgstr "مۆدیلەکان"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"مۆدێلەکان بریتین لە باسکردنی هەموو شتەکانی ناو سیستەمەکە و بوارە "
+"پەیوەندیدارەکانیان. هەر مۆدێلێک لیستی خانەی هەیە کە دەتوانرێت وەک گۆڕاوەکانی "
+"ڕووکار دەستی پێ بگات"
+
+msgid "Views"
+msgstr "دیمەنەکان"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"هەر لاپەڕەیەک لە پێگەی گشتیدا بە دیمەنێک دروست دەکرێت. دیمەنەکە ئەوە پێناسە "
+"دەکات کە کام ڕووکار بۆ دروستکردنی لاپەڕەکە بەکاردەهێنرێت و کام ئۆبجێکت "
+"بەردەستە بۆ ئەو ڕووکارە."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"ئامرازەکان بۆ وێبگەڕەکەت بۆ ئەوەی بە خێرایی دەستت بگات بە کاراییەکانی "
+"بەڕێوەبەر."
+
+msgid "Please install docutils"
+msgstr "تکایە docutils دابمەزرێنە"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+"سیستەمی بەڵگەنامەکردنی بەڕێوەبەر پێویستی بە کتێبخانەی <a "
+"href=\"%(link)s\">docutils</a> پایسۆن هەیە."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"تکایە پرسیار لە بەڕێوەبەرایەتی بکە بۆ دامەزراندنی <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "مۆدێل: %(name)s"
+
+msgid "Fields"
+msgstr "خانەکان"
+
+msgid "Field"
+msgstr "خانە"
+
+msgid "Type"
+msgstr "جۆر"
+
+msgid "Description"
+msgstr "باسکردن"
+
+msgid "Methods with arguments"
+msgstr "شێوازەکان و ئارگومێنتەکان"
+
+msgid "Method"
+msgstr "شێواز"
+
+msgid "Arguments"
+msgstr "ئارگومێنتەکان"
+
+msgid "Back to Model documentation"
+msgstr "گەڕانەوە بۆ بەڵگەنامەکردنی مۆدێل"
+
+msgid "Model documentation"
+msgstr "بەڵگەنامەی مۆدێل"
+
+msgid "Model groups"
+msgstr "گرووپەکانی مۆدێل"
+
+msgid "Templates"
+msgstr "ڕووکارەکان"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "ڕووکار: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "ڕووکاری: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "گەڕانی ڕێڕەو بۆ ڕووکاری <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(بوونی نیە)"
+
+msgid "Back to Documentation"
+msgstr "گەڕانەوە بۆ بەڵگەنامەکردن"
+
+msgid "Template filters"
+msgstr "پاڵاوتنەکانی ڕووکار"
+
+msgid "Template filter documentation"
+msgstr "بەڵگەنامەکردنی پاڵاوتنی ڕووکار"
+
+msgid "Built-in filters"
+msgstr "پاڵاوتنەکانی Built-in"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"بۆ بەکارهێنانی ئەم پاڵاوتنانە<code>%(code)s</code> لەناو ڕووکارەکەت دابنێ "
+"پێش ئەوەی پاڵاوتن بەکاربهێنیت."
+
+msgid "Template tags"
+msgstr "تاگەکانی ڕووکار"
+
+msgid "Template tag documentation"
+msgstr "بەڵگەنامەکردنی تاگی ڕووکار"
+
+msgid "Built-in tags"
+msgstr "تاگەکانی Built-in"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"بۆ بەکارهێنانی ئەم تاگانە, <code>%(code)s</code> لەناو ڕووکارەکەت دابنێ پێش "
+"ئەوەی تاگ بەکاربهێنیت."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "دیمەن: %(name)s"
+
+msgid "Context:"
+msgstr "دەق:"
+
+msgid "Templates:"
+msgstr "ڕووکارەکان:"
+
+msgid "Back to View documentation"
+msgstr "گەڕانەوە بۆ بەڵگەنامەکردنی دیمەن"
+
+msgid "View documentation"
+msgstr "بەڵگەنامەکردنی دیمەن"
+
+msgid "Jump to namespace"
+msgstr "بازدان بۆ بۆشاییناو"
+
+msgid "Empty namespace"
+msgstr "بۆشاییناوی بەتاڵ"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "دیمەنەکان لەلایەن بۆشاییناو %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "دیمەنەکان لایەن بۆشاییناوی بەتاڵەوە"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    کرداری دیمەن: <code>%(full_name)s</code>. ناو: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "تاگ:"
+
+msgid "filter:"
+msgstr "پاڵاوتن:"
+
+msgid "view:"
+msgstr "دیمەن:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "بەرنامەی %(app_label)r نەدۆزرایەوە"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "مۆدێلی %(model_name)r ناوتوانرێت لە ئاپی %(app_label)r بدۆزرێتەوە"
+
+msgid "model:"
+msgstr "مۆدێل:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "پەیوەستکراو `%(app_label)s. ئۆبجێکتی%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "پەیوەستکراوە `%(app_label)s. ئۆبجێکتی%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "هەموو %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "ژمارە لە %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s بەگوێرەی شێوازی urlی ئۆبجێکتێک نیە"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..49b5b866
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e68dbfbe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,284 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2012-2014
+# Vláďa Macek <macek@sandbox.cz>, 2015-2016,2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-18 23:13+0000\n"
+"Last-Translator: Vláďa Macek <macek@sandbox.cz>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Administrative Documentation"
+msgstr "Dokumentace správy"
+
+msgid "Home"
+msgstr "Domů"
+
+msgid "Documentation"
+msgstr "Dokumentace"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklety"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentační bookmarklety"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Pro nainstalování bookmarkletů, přetáhněte odkaz na vaše záložky "
+"(„Oblíbené“), nebo klepněte pravým tlačítkem na odkaz a přidejte ho k vašim "
+"záložkám. Nyní můžete zvolit bookmarklet z libovolné stránky jakéhokoli webu."
+
+msgid "Documentation for this page"
+msgstr "Dokumentace k této stránce"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Z libovolné stránky otevře dokumentaci pohledu (view), který generoval tuto "
+"stránku."
+
+msgid "Tags"
+msgstr "Tagy"
+
+msgid "List of all the template tags and their functions."
+msgstr "Seznam všech šablonových tagů a jejich funkce."
+
+msgid "Filters"
+msgstr "Filtry"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtry jsou akce, které mohou být aplikovány na proměnné v šabloně za účelem "
+"úpravy hodnoty."
+
+msgid "Models"
+msgstr "Modely"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modely jsou popisy všech objektů v systému a jejich přidružených polí. Každý "
+"model má seznam polí, které mohou být čteny jako proměnné v šablonách."
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Každá stránka na veřejném webu je generována pomocí pohledu. Pohled "
+"definuje, která šablona bude použita ke generování stránky a které objekty "
+"budou v šabloně k dispozici."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Nástroje pro prohlížeč k rychlému přístupu k funkcím administračního "
+"rozhraní."
+
+msgid "Please install docutils"
+msgstr "Nainstalujte balík docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Dokumentační systém administračního rozhraní vyžaduje pythonskou knihovnu <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Požádejte správce o instalaci balíku <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Pole"
+
+msgid "Field"
+msgstr "Pole"
+
+msgid "Type"
+msgstr "Typ"
+
+msgid "Description"
+msgstr "Popis"
+
+msgid "Methods with arguments"
+msgstr "Metody s argumenty"
+
+msgid "Method"
+msgstr "Metoda"
+
+msgid "Arguments"
+msgstr "Argumenty"
+
+msgid "Back to Model documentation"
+msgstr "Zpět na popis modelů"
+
+msgid "Model documentation"
+msgstr "Dokumentace modelů"
+
+msgid "Model groups"
+msgstr "Skupiny modelů"
+
+msgid "Templates"
+msgstr "Šablony"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Šablona: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Šablona: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Vyhledávací cesta pro šablonu <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(neexistuje)"
+
+msgid "Back to Documentation"
+msgstr "Zpět na dokumentaci"
+
+msgid "Template filters"
+msgstr "Šablonové filtry"
+
+msgid "Template filter documentation"
+msgstr "Dokumentace šablonových filtrů"
+
+msgid "Built-in filters"
+msgstr "Vestavěné filtry"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Chcete-li tyto filtry používat, vložte do šablony před místo použití kód "
+"<code>%(code)s</code>."
+
+msgid "Template tags"
+msgstr "Šablonové tagy"
+
+msgid "Template tag documentation"
+msgstr "Dokumentace šablonových tagů"
+
+msgid "Built-in tags"
+msgstr "Vestavěné tagy"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Chcete-li tyto tagy používat, vložte do šablony před místo použití kód <code>"
+"%(code)s</code>."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Pohled: %(name)s"
+
+msgid "Context:"
+msgstr "Kontext:"
+
+msgid "Templates:"
+msgstr "Šablony:"
+
+msgid "Back to View documentation"
+msgstr "Zpět na popis pohledů"
+
+msgid "View documentation"
+msgstr "Dokumentace pohledů"
+
+msgid "Jump to namespace"
+msgstr "Přejít na jmenný prostor"
+
+msgid "Empty namespace"
+msgstr "Prázdný jmenný prostor"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Pohledy dle jmenného prostoru %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Pohledy dle prázdného jmenného prostoru"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Funkce pohledu: <code>%(full_name)s</code>. Název: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filtr:"
+
+msgid "view:"
+msgstr "pohled (view):"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplikace %(app_label)r nebyla nalezena"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r v aplikaci %(app_label)r nenalezen"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "související položka `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "související položky `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "Vše: %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "Počet: %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "Objekt %s patrně není typu urlpattern."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..64f4ab61
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..653b2d8b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,279 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Administrative Documentation"
+msgstr "Dogfennaeth Gweinyddol"
+
+msgid "Home"
+msgstr "Hafan"
+
+msgid "Documentation"
+msgstr "Dogfennaeth"
+
+msgid "Bookmarklets"
+msgstr "Nodau tudalen"
+
+msgid "Documentation bookmarklets"
+msgstr "Nodau tudalen dogfennaeth"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Dogfennaeth y dudalen hon"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Cymerir chi o unrhyw dudalen i'r dogfennaeth am yr olwg sy'n creu'r dudalen "
+"hwnnw."
+
+msgid "Tags"
+msgstr "Tagiau"
+
+msgid "List of all the template tags and their functions."
+msgstr "Rhestr o holl dagiau'r templad a'u swyddogaeth."
+
+msgid "Filters"
+msgstr "Hidlau"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Gweithredoedd yw hidlau sy'n gallu cael eu gosod ar newidynnau mewn templad "
+"i newid yr allbwm."
+
+msgid "Models"
+msgstr "Modelau"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Mae modelau yn disgrifio pob gwrthrych yn y system a'u meysydd "
+"cysylltiedig.  Mae gan bob model restr o feysydd y gellir eu defnyddio fel "
+"newidynnau templad"
+
+msgid "Views"
+msgstr "Golygon"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Mae pob tudalen ar y wefan gyhoeddus yn cael eu creu gan olwg.  Mae'r golwg "
+"yn diffunio pa templad i'w ddefnyddio i gynhyrchu'r dudalen a pa wrthrychau "
+"sydd ar gael i'r templad."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Offer ar gyfer eich porwr i gael mynediad cyflym i swyddogaethau gweinyddwr."
+
+msgid "Please install docutils"
+msgstr "Gosodwch docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Mae'r system dogfennaeth gweinyddol angen llyfrgell <a href=\"%(link)s"
+"\">docutils</a> Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "Gofynnwch i'r gweinyddwr i osod <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr "Maes"
+
+msgid "Type"
+msgstr "Math"
+
+msgid "Description"
+msgstr "Disgrifiad"
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr "Dogfennaeth model"
+
+msgid "Model groups"
+msgstr "Grwpiau model"
+
+msgid "Templates"
+msgstr "Templadau"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Templad: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Templad: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "Chwilio'r llwybr am dempled \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(nid yw'n bodoli)"
+
+msgid "Back to Documentation"
+msgstr "Nôl i Dogfennaeth"
+
+msgid "Template filters"
+msgstr "Hidlau templadau"
+
+msgid "Template filter documentation"
+msgstr "Dogfennaeth hidlau templadau"
+
+msgid "Built-in filters"
+msgstr "Hidlau mewnol"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"I ddefnyddio'r hildau, rhowch <code>%(code)s</code> yn eich templad cyn "
+"defnyddio'r hidl."
+
+msgid "Template tags"
+msgstr "Tagiau templadau"
+
+msgid "Template tag documentation"
+msgstr "Dogfennaeth tag templad"
+
+msgid "Built-in tags"
+msgstr "Tagiau mewnol"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"I ddefnyddio'r tagiau rhowch <code>%(code)s</code> yn eich templad cyn "
+"defnyddio'r tag."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Golwg: %(name)s"
+
+msgid "Context:"
+msgstr "Cyd-destun:"
+
+msgid "Templates:"
+msgstr "Templadau:"
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr "Dogfennaeth golygon"
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Gweld ffwythiant: <code>%(full_name)s</code>. Enw: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "hidl:"
+
+msgid "view:"
+msgstr "golwg:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Ni ddarganfuwyd ap %(app_label)r"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Ni darganfyddwyd model %(model_name)r yn ap %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "y gwrthrych `%(app_label)s.%(data_type)s`  cysylltiedig"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "gwrthrychau `%(app_label)s.%(object_name)s` cysylltiedig"
+
+#, python-format
+msgid "all %s"
+msgstr "pob %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "nifer o %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "nid yw %s yn ymweld i fod yn wrthrych urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d0854826
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/da/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4544478d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Christian Joergensen <christian@gmta.info>, 2012
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2021
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2013,2015-2016,2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# valberg <valberg@orn.li>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 18:23+0000\n"
+"Last-Translator: Erik Ramsgaard Wognsen <r4mses@gmail.com>\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administrationsdokumentation"
+
+msgid "Home"
+msgstr "Hjem"
+
+msgid "Documentation"
+msgstr "Dokumentation"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentations-bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"For at installere bookmarklets, skal du trække linket til din bogmærkelinje "
+"eller højreklikke linket og tilføje det til dine bogmærker. Derefter kan du "
+"vælge bookmarkletten fra enhver side på websitet."
+
+msgid "Documentation for this page"
+msgstr "Dokumentation for denne side"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Bringer dig fra en hvilken som helst side til dokumentationen for det view, "
+"der genererer den pågældende side."
+
+msgid "Tags"
+msgstr "Mærker"
+
+msgid "List of all the template tags and their functions."
+msgstr "Liste af alle template tags og deres funktioner."
+
+msgid "Filters"
+msgstr "Filtre"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtre er handlinger, der kan anvendes på variabler i en skabelon for at "
+"ændre outputtet."
+
+msgid "Models"
+msgstr "Modeller"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeller er beskrivelser af alle objekter i systemet, og deres tilhørende "
+"felter. Hver model har en liste af felter som kan tilgås som en skabelon "
+"variabel."
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Hver side på den offentlige side bliver genereret af et view. Viewet "
+"definerer hvilken skabelon der bruges til at generere siden og hvilke "
+"objekter er tilgængelige fra skabelonen."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Værktøjer for din browser til hurtig adgang til admin funktionalitet."
+
+msgid "Please install docutils"
+msgstr "Installer venligst docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Admin dokumentationssystemet kræver Pythons <a href=\"%(link)s\">docutils</"
+"a> bibliotek."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Venligst spørg dine administratorer om at installere <a href=\"%(link)s"
+"\">docutils</a> ."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Felter"
+
+msgid "Field"
+msgstr "Felt"
+
+msgid "Type"
+msgstr "Type"
+
+msgid "Description"
+msgstr "Beskrivelse"
+
+msgid "Methods with arguments"
+msgstr "Metode med argumenter"
+
+msgid "Method"
+msgstr "Metode"
+
+msgid "Arguments"
+msgstr "Argumenter"
+
+msgid "Back to Model documentation"
+msgstr "Tilbage til modeldokumentationen"
+
+msgid "Model documentation"
+msgstr "Modeldokumentation"
+
+msgid "Model groups"
+msgstr "Modelgrupper"
+
+msgid "Templates"
+msgstr "Skabeloner"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Skabelon: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Skabelon: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Søgesti for skabelon <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(eksisterer ikke)"
+
+msgid "Back to Documentation"
+msgstr "Tilbage til dokumentationen"
+
+msgid "Template filters"
+msgstr "Skabelonfiltre"
+
+msgid "Template filter documentation"
+msgstr "Skabelonfilterdokumentation"
+
+msgid "Built-in filters"
+msgstr "Indbyggede filtre"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"For at bruge disse filtre, indsæt <code>%(code)s</code> i din skabelon, før "
+"du bruger filteret."
+
+msgid "Template tags"
+msgstr "Skabelon-tags"
+
+msgid "Template tag documentation"
+msgstr "Skabelon-tag-dokumentation"
+
+msgid "Built-in tags"
+msgstr "Indbyggede tags"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"For at bruge disse tags, indsæt <code>%(code)s</code> i din skabelon, før du "
+"bruger tagget."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Skabeloner:"
+
+msgid "Back to View documentation"
+msgstr "Tilbage til View-dokumentationen"
+
+msgid "View documentation"
+msgstr "View dokumentation"
+
+msgid "Jump to namespace"
+msgstr "Hop til namespace"
+
+msgid "Empty namespace"
+msgstr "Tomt namespace"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views efter namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views efter tomt namespace"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    View funktion: <code>%(full_name)s</code>. Navn: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Applikation %(app_label)r blev ikke fundet"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modellen %(model_name)r ikke fundet i applikationen %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "det relaterede `%(app_label)s.%(data_type)s`-objekt"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "relaterede `%(app_label)s.%(object_name)s`-objekter"
+
+#, python-format
+msgid "all %s"
+msgstr "alle %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "antal %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ser ikke ud til at være et urlpattern-objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ae993f7b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0cb229f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,287 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Florian Apolloner <florian@apolloner.eu>, 2021
+# Jannis Vajen, 2013
+# Jannis Leidel <jannis@leidel.info>, 2013-2016,2020
+# Jannis Vajen, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-28 17:15+0000\n"
+"Last-Translator: Raphael Michel <mail@raphaelmichel.de>\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administrative Dokumentation"
+
+msgid "Home"
+msgstr "Start"
+
+msgid "Documentation"
+msgstr "Dokumentation"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentations-Bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Um die Bookmarklets zu installieren, muss dieser Link in die Browser-"
+"Werkzeugleiste gezogen werden oder mittels rechter Maustaste in den "
+"Bookmarks gespeichert werden. Danach können die Bookmarklets von jeder Seite "
+"aufgerufen werden."
+
+msgid "Documentation for this page"
+msgstr "Dokumentation für diese Seite"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Springt von jeder Seite zu der Dokumentation für den View, der diese Seite "
+"erzeugt."
+
+msgid "Tags"
+msgstr "Tags"
+
+msgid "List of all the template tags and their functions."
+msgstr "Alle Template-Tags und deren Funktionen auflisten."
+
+msgid "Filters"
+msgstr "Filter"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filter sind Aktionen, die in Templates auf Variablen angewendet werden "
+"können, um deren Ausgabe zu verändern."
+
+msgid "Models"
+msgstr "Modelle"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modelle sind Beschreibungen aller Objekte und ihrer Felder, die sich im "
+"System befinden. Jedes Model hat eine Reihe von Feldern, auf in Form von "
+"Templatevariablen zugegriffen werden kann."
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Jede öffentliche Seite wird durch einen View generiert. Dieser View "
+"definiert, welches Template genutzt wird, um die Seite zu generieren und "
+"welche Objekte in dem jeweiligen Template zur Verfügung stehen."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Hilfsfunktionen für den Browser, um schnell auf den Administrationsbereich "
+"zugreifen zu können."
+
+msgid "Please install docutils"
+msgstr "Bitte docutils installieren."
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Das Admin-Dokumentationssystem erfordert die Python-Bibliothek <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Bitte durch den/die Administrator/in <a href=\"%(link)s\">docutils</a> "
+"installieren lassen."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Felder"
+
+msgid "Field"
+msgstr "Feld"
+
+msgid "Type"
+msgstr "Klasse"
+
+msgid "Description"
+msgstr "Beschreibung"
+
+msgid "Methods with arguments"
+msgstr "Methode mit Argumenten"
+
+msgid "Method"
+msgstr "Methode"
+
+msgid "Arguments"
+msgstr "Argumente"
+
+msgid "Back to Model documentation"
+msgstr "Zurück zur Model-Dokumentation"
+
+msgid "Model documentation"
+msgstr "Model-Dokumentation"
+
+msgid "Model groups"
+msgstr "Model-Gruppen"
+
+msgid "Templates"
+msgstr "Templates"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Template: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Template: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Suchpfade für Template <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(existiert nicht)"
+
+msgid "Back to Documentation"
+msgstr "Zurück zur Dokumentation"
+
+msgid "Template filters"
+msgstr "Template-Filter"
+
+msgid "Template filter documentation"
+msgstr "Template-Filter-Dokumentation"
+
+msgid "Built-in filters"
+msgstr "Mitgelieferte Filter"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Um diese Filter zu nutzen, muss sich <code>%(code)s</code> vor Aufruf des "
+"Filters im Template befinden."
+
+msgid "Template tags"
+msgstr "Template-Tags"
+
+msgid "Template tag documentation"
+msgstr "Template-Tag-Dokumentation"
+
+msgid "Built-in tags"
+msgstr "Mitgelieferte Tags"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Um diese Tags zu nutzen, muss sich <code>%(code)s</code> vor Aufruf des Tags "
+"im Template befinden."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Kontext:"
+
+msgid "Templates:"
+msgstr "Templates:"
+
+msgid "Back to View documentation"
+msgstr "Zurück zur View-Dokumentation"
+
+msgid "View documentation"
+msgstr "View Dokumentation"
+
+msgid "Jump to namespace"
+msgstr "Zu Namespace springen"
+
+msgid "Empty namespace"
+msgstr "Leerer Namespace"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views in Namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views ohne Namespace"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    View-Funktion: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "Tag:"
+
+msgid "filter:"
+msgstr "Filter:"
+
+msgid "view:"
+msgstr "View:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Anwendung %(app_label)r nicht gefunden"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modell %(model_name)r wurde nicht in Anwendung %(app_label)r gefunden"
+
+msgid "model:"
+msgstr "Modell:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "Das verknüpfte `%(app_label)s.%(data_type)s` Objekt"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "verknüpfte `%(app_label)s.%(object_name)s` Objekte"
+
+#, python-format
+msgid "all %s"
+msgstr "Alle %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "Anzahl von %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ist scheinbar kein urlpattern-Objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d07d1872
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f4caac7f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2020-2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-01 22:06+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administratiwna dokumentacija"
+
+msgid "Home"
+msgstr "Startowy bok"
+
+msgid "Documentation"
+msgstr "Dokumentacija"
+
+msgid "Bookmarklets"
+msgstr "Skriptowe cytańske znamjenja"
+
+msgid "Documentation bookmarklets"
+msgstr "Skriptowe cytańske znamjenja dokumentacije"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Aby skriptowe cytańske znamjenja instalěrował, śěgniśo wótkaz do swójeje "
+"rědki cytańskich znamjenjow abo klikniśo z pšaweju tastu myški a pśidajśo "
+"jen swójim cytańskim znamjenjam. Něnto móžośo skriptowe cytańske znamje z "
+"drugego boka na sedle wubraś."
+
+msgid "Documentation for this page"
+msgstr "Dokumentacija za toś ten bok"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Zmóžnja wam, z někakego boka do dokumentacije naglěda skócyś, kótaryž twóri "
+"ten bok."
+
+msgid "Tags"
+msgstr "Wobznamjenja"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lisćina wšych pśedłogowych wobznamjenjow a jich funkcijow."
+
+msgid "Filters"
+msgstr "Filtry"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtry su akcije, kótarež daju se na wariable w pśedłoze nałožyś, aby wudaśe "
+"změnili."
+
+msgid "Models"
+msgstr "Modele"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modele su wopisanja wšych objektow w systemje a jich pśisłušnych pólow. "
+"Kuždy model ma lisćinu pólow, na kótarež maju pśistup ako pśedłogowe "
+"wariable."
+
+msgid "Views"
+msgstr "Naglědy"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Kuždy bok na zjawnem sedle twóri se pśez naglěd. Naglěd definěrujo, kótara "
+"pśedłoga se wužywa, aby se bok napórał a kótare objekty su tej pśedłoze k "
+"dispoziciji."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Rědy za waš wobglědowak za malsny pśistup na adminstratorowu funkcionalnosć."
+
+msgid "Please install docutils"
+msgstr "Pšosym instalěrujśo docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Administratorowy dokumentaciski system pomina se Pythonowu biblioteku <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Pšosym pšosćo swóje administratory, <a href=\"%(link)s\">docutils</a> "
+"instalěrowaś."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Póla"
+
+msgid "Field"
+msgstr "Pólo"
+
+msgid "Type"
+msgstr "Typ"
+
+msgid "Description"
+msgstr "Wopisanje"
+
+msgid "Methods with arguments"
+msgstr "Metody z argumentami"
+
+msgid "Method"
+msgstr "Metoda"
+
+msgid "Arguments"
+msgstr "Argumenty"
+
+msgid "Back to Model documentation"
+msgstr "Slědk k modelowej dokumentaciji"
+
+msgid "Model documentation"
+msgstr "Modelowa dokumentacija"
+
+msgid "Model groups"
+msgstr "Modelowe kupki"
+
+msgid "Templates"
+msgstr "Pśedłogi"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Pśedłoga: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Pśedłoga: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Pytańska sćažka za pśedłogu <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(njeeksistěrujo)"
+
+msgid "Back to Documentation"
+msgstr "Slědk k dokumentaciji"
+
+msgid "Template filters"
+msgstr "Pśedłogowe filtry"
+
+msgid "Template filter documentation"
+msgstr "Dokumentacija za pśedłogowe filtry"
+
+msgid "Built-in filters"
+msgstr "Zatwarjone filtry"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Aby toś te filtry wužywał, zasajźćo <code>%(code)s</code> do wójeje "
+"pśedłogi, nježli až wužywaśo filter."
+
+msgid "Template tags"
+msgstr "Pśedłogowe wobznamjenja"
+
+msgid "Template tag documentation"
+msgstr "Dokumentacija za pśedłogowe wobznamjenja"
+
+msgid "Built-in tags"
+msgstr "Zatworjone wobznamjenja"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Aby toś te wobznamjenja wužywał, zasajźćo <code>%(code)s</code> do wójeje "
+"pśedłogi, nježli až wužywaśo wobznamjenje."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Naglěd: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Pśedłogi"
+
+msgid "Back to View documentation"
+msgstr "Slědk k naglědowej dokumentaciji"
+
+msgid "View documentation"
+msgstr "Naglědowa dokumentacija"
+
+msgid "Jump to namespace"
+msgstr "K mjenjowemu rumoju skócyś"
+
+msgid "Empty namespace"
+msgstr "Prozny mjenjowy rum"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Naglědy pó mjenjowem rumje %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Naglědy pó proznem mjenjowem rumje"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Naglědowa funkcija: <code>%(full_name)s</code>. Mě: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "wobznamjenje:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "naglěd:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Nałoženje %(app_label)r njenamakane"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r njejo se w nałoženju %(app_label)r namakał"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "pśisłušny objekt %(app_label)s.%(data_type)s“"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "pśisłušne objekty „%(app_label)s.%(object_name)s"
+
+#, python-format
+msgid "all %s"
+msgstr "wšykne %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "ůicba %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "zda se, až %s njejo objekt urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9739b410
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bc4aebb7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,290 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Dimitris Glezos <glezos@transifex.com>, 2011
+# Fotis Athineos <fotis@transifex.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nick Mavrakis <mavrakis.n@gmail.com>, 2016
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+# Yorgos Pagles <y.pagles@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-08-04 06:47+0000\n"
+"Last-Translator: Fotis Athineos <fotis@transifex.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Διαχειριστική Τεκμηρίωση"
+
+msgid "Home"
+msgstr "Αρχική"
+
+msgid "Documentation"
+msgstr "Τεκμηρίωση"
+
+msgid "Bookmarklets"
+msgstr "Σελιδοδείκτες"
+
+msgid "Documentation bookmarklets"
+msgstr "Σελιδοδείκτες τεκμηρίωσης"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Για την εγκατάσταση bookmarklets, σύρετε το link στην γραμμή εργαλείων των "
+"bookmarks του browser σας ή δεξί-κλικ πάνω στο link και προσθέστε το στα "
+"bookmarks. Τώρα μπορείτε να επιλέξετε το bookmarklet μέσα από κάθε σελίδα "
+"του site."
+
+msgid "Documentation for this page"
+msgstr "Τεκμηρίωση για αυτήν τη σελίδα"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Μεταπήδηση από οποιαδήποτε σελίδα στην τεκμηρίωση για το view που "
+"δημιούργησε τη σελίδα αυτή."
+
+msgid "Tags"
+msgstr "Ετικέτες"
+
+msgid "List of all the template tags and their functions."
+msgstr "Λίστα όλωςν τον ετικετών περιγραμμάτων και των λειτουργιών τους."
+
+msgid "Filters"
+msgstr " Φίλτρα"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Τα φίλτρα είναι ενέργειες που μπορούν να εφαρμοστούν σε μεταβλητές μέσα σε "
+"ένα περίγραμμα για να αλλάξουν το αποτέλεσμα."
+
+msgid "Models"
+msgstr "Μοντέλα"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Τα μοντέλα είναι περιγραφές όλωςν τον αντικειμένων στο σύστημα και των "
+"συνδεδεμένων πεδίων. Κάθε μοντέλο έχει μια λίστα πεδιών που είναι προσβάσιμα "
+"ως μεταβλητές περιγραμμάτων"
+
+msgid "Views"
+msgstr "Οπτικές"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Κάθε σελίδα στη δημόσια ιστοσελίδα παράγεται από μια οπτική. Η οπτική ορίζει "
+"ποιό περίγραμμα θα χρησιμοποιηθεί για να παραχθεί η σελίδα και ποιά "
+"αντικείμενα είναι διαθέσιμα σε αυτό το περίγραμμα."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Εργαλεία για το πρόγραμμα περιήγησης για γρήγορη πρόσβαση σε διαχειριστική "
+"λειτουργικότητα. "
+
+msgid "Please install docutils"
+msgstr "Παρακαλώ εγκαταστείστε τα docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Το σύστημα διαχειριστικής τεκμηρίωσης απαιτεί την βιβλιοθήκη της Python <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Παρακαλώ ζητήστε απο τον διαχειριστή σας να εγκαταστήσει τα <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Μοντέλο: %(name)s"
+
+msgid "Fields"
+msgstr "Πεδία"
+
+msgid "Field"
+msgstr "Πεδίο"
+
+msgid "Type"
+msgstr "Τύπος"
+
+msgid "Description"
+msgstr "Περιγραφή"
+
+msgid "Methods with arguments"
+msgstr "Μέθοδοι με ορίσματα"
+
+msgid "Method"
+msgstr "Μέθοδος"
+
+msgid "Arguments"
+msgstr "Ορίσματα"
+
+msgid "Back to Model documentation"
+msgstr "Πίσω στην τεκμηρίωση των Μοντέλων"
+
+msgid "Model documentation"
+msgstr "Τεκμηρίωση Μοντέλων"
+
+msgid "Model groups"
+msgstr "Ομάδες μοντέλου"
+
+msgid "Templates"
+msgstr "Περιγράμματα"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Περίγραμμα: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Περίγραμμα: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Αναζήτηση μονοπατιού για περίγραμμα <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(δεν υπάρχει)"
+
+msgid "Back to Documentation"
+msgstr "Επιστροφή στην Τεκμηρίωση"
+
+msgid "Template filters"
+msgstr "Φίλτρα περιγραμμάτων"
+
+msgid "Template filter documentation"
+msgstr "Τεκμηρίωση φίλτρων περιγραμμάτων"
+
+msgid "Built-in filters"
+msgstr "Ενσωματωμένα φίλτρα"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Για να χρησιμοποιήσετε αυτά τα φίλτρα, βάλτε <code>%(code)s</code> στο "
+"περίγραμμα σας, προτού χρησιμοποιήσετε το φίλτρο."
+
+msgid "Template tags"
+msgstr "Ετικέτες περιγραμμάτων"
+
+msgid "Template tag documentation"
+msgstr "Τεκμηρίωση ετικετών περιγραμμάτων"
+
+msgid "Built-in tags"
+msgstr "Ενσωματωμένες ετικέτες"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Για να χρησιμοποιήσετε αυτές τις ετικέτες, βάλτε <code>%(code)s</code> στο "
+"περίγραμμα σας, προτού χρησιμοποιήσετε την ετικέτα."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Οπτική: %(name)s"
+
+msgid "Context:"
+msgstr "Πλαίσιο:"
+
+msgid "Templates:"
+msgstr "Περιγράμματα:"
+
+msgid "Back to View documentation"
+msgstr "Πίσω στην τεκμηρίωση του View"
+
+msgid "View documentation"
+msgstr "Προβολή Τεκμηρίωσης"
+
+msgid "Jump to namespace"
+msgstr "Μεταφερθείτε στο namespace"
+
+msgid "Empty namespace"
+msgstr "Άδειο namespace"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Οπτικές ανά namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Οπτικές ανά κενό namespace"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Συνάρτηση οπτικής: <code>%(full_name)s</code>. Όνομα: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "ετικέτα:"
+
+msgid "filter:"
+msgstr "φίλτρο:"
+
+msgid "view:"
+msgstr "προβολή:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Η εφαρμογή %(app_label)r δεν βρέθηκε"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+"Το μοντέλο %(model_name)r δεν μπορεί να βρεθεί στην εφαρμογή %(app_label)r"
+
+msgid "model:"
+msgstr "μοντέλο:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "το συσχετισμένο `%(app_label)s.%(data_type)s`  αντικείμενο"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "συσχετισμένα `%(app_label)s.%(object_name)s` αντικείμενα"
+
+#, python-format
+msgid "all %s"
+msgstr "όλα %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "πλήθος number of %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "Το %s δε φαίνεται να είναι ένα αντικείμενο urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en/LC_MESSAGES/django.mo
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index 00000000..08a7b685
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..34eb4880
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,359 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: contrib/admindocs/apps.py:7
+msgid "Administrative Documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/bookmarklets.html:6
+#: contrib/admindocs/templates/admin_doc/index.html:6
+#: contrib/admindocs/templates/admin_doc/missing_docutils.html:6
+#: contrib/admindocs/templates/admin_doc/model_detail.html:14
+#: contrib/admindocs/templates/admin_doc/model_index.html:8
+#: contrib/admindocs/templates/admin_doc/template_detail.html:6
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:7
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:7
+#: contrib/admindocs/templates/admin_doc/view_detail.html:6
+#: contrib/admindocs/templates/admin_doc/view_index.html:7
+msgid "Home"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/bookmarklets.html:7
+#: contrib/admindocs/templates/admin_doc/index.html:7
+#: contrib/admindocs/templates/admin_doc/index.html:10
+#: contrib/admindocs/templates/admin_doc/index.html:14
+#: contrib/admindocs/templates/admin_doc/missing_docutils.html:7
+#: contrib/admindocs/templates/admin_doc/missing_docutils.html:14
+#: contrib/admindocs/templates/admin_doc/model_detail.html:15
+#: contrib/admindocs/templates/admin_doc/model_index.html:9
+#: contrib/admindocs/templates/admin_doc/template_detail.html:7
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:8
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:8
+#: contrib/admindocs/templates/admin_doc/view_detail.html:7
+#: contrib/admindocs/templates/admin_doc/view_index.html:8
+msgid "Documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/bookmarklets.html:8
+#: contrib/admindocs/templates/admin_doc/index.html:29
+msgid "Bookmarklets"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/bookmarklets.html:11
+msgid "Documentation bookmarklets"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/bookmarklets.html:15
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/bookmarklets.html:22
+msgid "Documentation for this page"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/bookmarklets.html:23
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:17
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:9
+msgid "Tags"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:18
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:20
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:9
+msgid "Filters"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:21
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:23
+#: contrib/admindocs/templates/admin_doc/model_detail.html:16
+#: contrib/admindocs/templates/admin_doc/model_index.html:10
+#: contrib/admindocs/templates/admin_doc/model_index.html:14
+msgid "Models"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:24
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:26
+#: contrib/admindocs/templates/admin_doc/view_detail.html:8
+#: contrib/admindocs/templates/admin_doc/view_index.html:9
+#: contrib/admindocs/templates/admin_doc/view_index.html:12
+msgid "Views"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:27
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/index.html:30
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/missing_docutils.html:10
+msgid "Please install docutils"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/missing_docutils.html:17
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/missing_docutils.html:19
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:21
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:30
+msgid "Fields"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:35
+msgid "Field"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:36
+msgid "Type"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:37
+#: contrib/admindocs/templates/admin_doc/model_detail.html:60
+msgid "Description"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:53
+msgid "Methods with arguments"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:58
+msgid "Method"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:59
+msgid "Arguments"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_detail.html:76
+msgid "Back to Model documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_index.html:18
+msgid "Model documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/model_index.html:43
+msgid "Model groups"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_detail.html:8
+msgid "Templates"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_detail.html:13
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_detail.html:16
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#: contrib/admindocs/templates/admin_doc/template_detail.html:19
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_detail.html:22
+msgid "(does not exist)"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_detail.html:26
+msgid "Back to Documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:12
+msgid "Template filters"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:16
+msgid "Template filter documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:22
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:43
+msgid "Built-in filters"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_filter_index.html:23
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:12
+msgid "Template tags"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:16
+msgid "Template tag documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:22
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:43
+msgid "Built-in tags"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/template_tag_index.html:23
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_detail.html:12
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_detail.html:23
+msgid "Context:"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_detail.html:28
+msgid "Templates:"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_detail.html:32
+msgid "Back to View documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_index.html:16
+msgid "View documentation"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_index.html:22
+msgid "Jump to namespace"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_index.html:27
+msgid "Empty namespace"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_index.html:40
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_index.html:42
+msgid "Views by empty namespace"
+msgstr ""
+
+#: contrib/admindocs/templates/admin_doc/view_index.html:49
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+#: contrib/admindocs/views.py:72 contrib/admindocs/views.py:73
+#: contrib/admindocs/views.py:75
+msgid "tag:"
+msgstr ""
+
+#: contrib/admindocs/views.py:103 contrib/admindocs/views.py:104
+#: contrib/admindocs/views.py:106
+msgid "filter:"
+msgstr ""
+
+#: contrib/admindocs/views.py:162 contrib/admindocs/views.py:163
+#: contrib/admindocs/views.py:165
+msgid "view:"
+msgstr ""
+
+#: contrib/admindocs/views.py:192
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#: contrib/admindocs/views.py:196
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+#: contrib/admindocs/views.py:201 contrib/admindocs/views.py:202
+#: contrib/admindocs/views.py:217 contrib/admindocs/views.py:240
+#: contrib/admindocs/views.py:245 contrib/admindocs/views.py:260
+#: contrib/admindocs/views.py:301 contrib/admindocs/views.py:306
+msgid "model:"
+msgstr ""
+
+#: contrib/admindocs/views.py:213
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#: contrib/admindocs/views.py:233 contrib/admindocs/views.py:293
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#: contrib/admindocs/views.py:240 contrib/admindocs/views.py:301
+#, python-format
+msgid "all %s"
+msgstr ""
+
+#: contrib/admindocs/views.py:245 contrib/admindocs/views.py:306
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#: contrib/admindocs/views.py:398
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..68f8cb00
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4a97bca0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,275 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2015-01-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/projects/p/"
+"django/language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr ""
+
+msgid "Documentation"
+msgstr ""
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"\n"
+"<p class=\"help\">To install bookmarklets, drag the link to your bookmarks\n"
+"toolbar, or right-click the link and add it to your bookmarks. Now you can\n"
+"select the bookmarklet from any page in the site.  Note that some of these\n"
+"bookmarklets require you to be viewing the site from a computer designated\n"
+"as \"internal\" (talk to your system administrator if you aren't sure if\n"
+"your computer is \"internal\").</p>\n"
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Show object ID"
+msgstr ""
+
+msgid ""
+"Shows the content-type and unique ID for pages that represent a single "
+"object."
+msgstr ""
+
+msgid "Edit this object (current window)"
+msgstr ""
+
+msgid "Jumps to the admin page for pages that represent a single object."
+msgstr ""
+
+msgid "Edit this object (new window)"
+msgstr ""
+
+msgid "As above, but opens the admin page in a new window."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Back to Model Documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to Views Documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "Boolean (Either True or False)"
+msgstr ""
+
+#, python-format
+msgid "Field of type: %(field_type)s"
+msgstr ""
+
+msgid "tag:"
+msgstr ""
+
+msgid "filter:"
+msgstr ""
+
+msgid "view:"
+msgstr ""
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr ""
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr ""
+
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c3a8bf57
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e513e888
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,260 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# jon_atkinson <jon@jonatkinson.co.uk>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Home"
+
+msgid "Documentation"
+msgstr "Documentation"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentation bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Documentation for this page"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+
+msgid "Tags"
+msgstr "Tags"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Filters"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Models"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Templates"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r not found in app %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "the related `%(app_label)s.%(data_type)s` object"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "related `%(app_label)s.%(object_name)s` objects"
+
+#, python-format
+msgid "all %s"
+msgstr "all %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "number of %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s does not appear to be a urlpattern object"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..26e4989e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e4892d9a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,279 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2013-2016
+# Matthieu Desplantes <matmututu@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-13 08:19+0000\n"
+"Last-Translator: Matthieu Desplantes <matmututu@gmail.com>\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administra dokumentaro"
+
+msgid "Home"
+msgstr "Ĉefpaĝo"
+
+msgid "Documentation"
+msgstr "Dokumentaro"
+
+msgid "Bookmarklets"
+msgstr "Legosignetoj"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentaraj legosignetoj"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Por instali legosignetoj, trenu la ligilon ĝis via legosignan ilobreton, aŭ "
+"dekstre klaku la ligilon kaj aldoni ĝin al viaj markiloj. Nun vi povas "
+"elekti la legosignetoj de ajna paĝo en la retejo."
+
+msgid "Documentation for this page"
+msgstr "Dokumentaro por tiu paĝo"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Sendas vin el ajna paĝo, al la dokumentado de la vido kiu generis tiun paĝon."
+
+msgid "Tags"
+msgstr "Etikedoj"
+
+msgid "List of all the template tags and their functions."
+msgstr "Listigi ĉiujn ŝablonmarkojn kaj iliajn funkciojn."
+
+msgid "Filters"
+msgstr "Filtriloj"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtriloj estas agoj kiuj povas esti aplikitaj al variabloj en ŝablono por "
+"ŝanĝi la eligon."
+
+msgid "Models"
+msgstr "Modeloj"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeloj estas priskriboj de ĉiuj objektoj en la sistemo kaj iliaj rilataj "
+"kampoj. Ĉiu modelo havas liston de kampoj kiu povas esti alirita kiel "
+"ŝablona variabloj"
+
+msgid "Views"
+msgstr "Vidoj"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Ĉiu paĝo sur la publika retejo estas produktita per vido. La vido difinas "
+"kiun ŝablonon estas uzita por produkti la paĝon kaj kiuj objektoj estas "
+"haveblaj en tiu ŝablono."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Iloj por via retumilo por rapide aliri la administran funkciaron."
+
+msgid "Please install docutils"
+msgstr "Bonvolu instali docutils-n"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Bonvolu demandi al viaj administrantoj instali <a href=\"%(link)s"
+"\">docutils</a>-n."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelo: %(name)s"
+
+msgid "Fields"
+msgstr "Kampoj"
+
+msgid "Field"
+msgstr "Kampo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Priskribo"
+
+msgid "Methods with arguments"
+msgstr "Metodoj kun argumentoj"
+
+msgid "Method"
+msgstr "Metodo"
+
+msgid "Arguments"
+msgstr "Argumentoj"
+
+msgid "Back to Model documentation"
+msgstr "Reen al la modelo dokumentaro"
+
+msgid "Model documentation"
+msgstr "Modelo dokumentaro"
+
+msgid "Model groups"
+msgstr "Modelaj grupoj"
+
+msgid "Templates"
+msgstr "Ŝablonoj"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Ŝablono: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Ŝablono: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr "(ne ekzistas)"
+
+msgid "Back to Documentation"
+msgstr "Reen al dokumentaro"
+
+msgid "Template filters"
+msgstr "Ŝablonaj filtriloj"
+
+msgid "Template filter documentation"
+msgstr "Ŝablona filtrila dokumentaro"
+
+msgid "Built-in filters"
+msgstr "Integritaj filtriloj"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Por uzi tiujn filtrilojn, metu <code>%(code)s</code> en via ŝablono antaŭ "
+"uzi la filtrilo."
+
+msgid "Template tags"
+msgstr "Ŝablonaj etikedoj"
+
+msgid "Template tag documentation"
+msgstr "Ŝablona etikeda dokumentado"
+
+msgid "Built-in tags"
+msgstr "Integritaj etikedoj"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Por uzi tiujn etikedojn, metu <code>%(code)s</code> en via ŝablono antaŭ uzi "
+"la etikedon."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vido: %(name)s"
+
+msgid "Context:"
+msgstr "Kunteksto:"
+
+msgid "Templates:"
+msgstr "Ŝablonoj:"
+
+msgid "Back to View documentation"
+msgstr "Reen al vidaj dokumentaro"
+
+msgid "View documentation"
+msgstr "Vida dokumentaro"
+
+msgid "Jump to namespace"
+msgstr "Iri al nomspaco"
+
+msgid "Empty namespace"
+msgstr "Malplena nomspaco"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vidoj per nomspaco %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vidoj per malplenaj nomspacoj"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Vida funkcio: <code>%(full_name)s</code>. Nomo: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "etikedo:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "vido:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplikaĵo %(app_label)r ne trovita"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelo %(model_name)r netrovita en aplikaĵo %(app_label)r"
+
+msgid "model:"
+msgstr "modelo:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "la rilatita `%(app_label)s.%(data_type)s` objekto"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "rilatitaj `%(app_label)s.%(object_name)s` objektoj"
+
+#, python-format
+msgid "all %s"
+msgstr "ĉiuj %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "nombro da %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ne ŝajnas esti URLmotiva objekto"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bf264a80
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2747c1ab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,293 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2012-2013
+# Claude Paroz <claude@2xlibre.net>, 2014
+# Eduardo <edos21@gmail.com>, 2017
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2015
+# Herty Nava <translation@bolmedia.ca>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# José Luis <alagunajs@gmail.com>, 2016
+# Josue Naaman Nistal Guerra <josuenistal@hotmail.com>, 2014
+# Uriel Medina <urimeba511@gmail.com>, 2020-2021
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-11 05:39+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentación Administrativa"
+
+msgid "Home"
+msgstr "Inicio"
+
+msgid "Documentation"
+msgstr "Documentación"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklets de documentación"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Para instalar bookmarklets, arrastre el enlace a su barra de favoritos, o "
+"pulse con el botón derecho el enlace y añádalo a sus favoritos. Ahora puede "
+"seleccionar el bookmarklet desde cualquier página del sitio. "
+
+msgid "Documentation for this page"
+msgstr "Documentación para esta página"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Lo lleva desde cualquier página a la documentación de la vista que la genera."
+
+msgid "Tags"
+msgstr "Etiquetas"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista de todas la etiquetas de plantillas y sus funciones."
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Los filtros son acciones que se pueden aplicar a variables en una plantilla "
+"para alterar el resultado."
+
+msgid "Models"
+msgstr "Modelos"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Los modelos son descripciones de todos los objetos en el sistema y sus "
+"campos asociados. Cada modelo tienen una lista de campos a los que se puede "
+"acceder como variables de plantilla"
+
+msgid "Views"
+msgstr "Vistas"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Cada página en el sitio público se genera a través de una vista.  La vista "
+"define que plantilla se usa para generar la página y que objetos están "
+"disponibles para esa plantilla."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Herramientas para el navegador para acceder a funciones de administración "
+"rápidamente."
+
+msgid "Please install docutils"
+msgstr "Por favor, instale docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"El sistema de documentación del administrador requiere la librería de Python "
+"<a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Por favor, pida al administrador que instale <a href=\"%(link)s\">docutils</"
+"a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelo: %(name)s"
+
+msgid "Fields"
+msgstr "Campos"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descripción"
+
+msgid "Methods with arguments"
+msgstr "Métodos con argumentos"
+
+msgid "Method"
+msgstr "Método"
+
+msgid "Arguments"
+msgstr "Argumentos"
+
+msgid "Back to Model documentation"
+msgstr "Volver a la documentación de modelos"
+
+msgid "Model documentation"
+msgstr "Documentación de modelos"
+
+msgid "Model groups"
+msgstr "Grupo de modelos"
+
+msgid "Templates"
+msgstr "Plantillas"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Plantilla: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Plantilla: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Buscar ruta de la plantilla <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(no existe)"
+
+msgid "Back to Documentation"
+msgstr "Volver a la documentación"
+
+msgid "Template filters"
+msgstr "Filtros de plantilla"
+
+msgid "Template filter documentation"
+msgstr "Documentación de los filtros de plantilla"
+
+msgid "Built-in filters"
+msgstr "Filtros integrados"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Para utilizar estos filtros, incluya <code>%(code)s</code> en su plantilla "
+"antes de usar el filtro."
+
+msgid "Template tags"
+msgstr "Etiquetas de plantilla"
+
+msgid "Template tag documentation"
+msgstr "Documentación de las etiquetas de plantilla"
+
+msgid "Built-in tags"
+msgstr "Etiquetas integradas"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Para utilizar estas etiquetas, incluya <code>%(code)s</code> en su plantilla "
+"antes de utilizar la etiqueta."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vista: %(name)s"
+
+msgid "Context:"
+msgstr "Contexto:"
+
+msgid "Templates:"
+msgstr "Plantillas:"
+
+msgid "Back to View documentation"
+msgstr "Volver a la documentación de vistas"
+
+msgid "View documentation"
+msgstr "Documentación de vistas"
+
+msgid "Jump to namespace"
+msgstr "Ir al espacio de nombres"
+
+msgid "Empty namespace"
+msgstr "Espacio de nombres vacío"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Visualizaciones por espacio de nombres %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Visualizaciones por espacio de nombres vacío"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Visualizar función: <code>%(full_name)s</code>. Nombre: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "etiqueta:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "vista:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplicación %(app_label)r no encontrada"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+"El modelo %(model_name)r no se ha encontrado en la aplicación %(app_label)r"
+
+msgid "model:"
+msgstr "modelo:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "el objeto relacionado `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "los objetos relacionados `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "todo %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "número de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s no parece ser un objeto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_AR/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..07e8021e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Federico Bond <federicobond@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2012-2016,2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-21 12:57+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Spanish (Argentina) (http://www.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentación administrativa"
+
+msgid "Home"
+msgstr "Inicio"
+
+msgid "Documentation"
+msgstr "Documentación"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklets de documentación"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Para instalar bookmarklets, arrastre el enlace a su barra\n"
+"de favoritos, o pulse con el botón derecho el enlace y añádalo a sus "
+"favoritos.\n"
+"Ahora puede seleccionar el bookmarklet desde cualquier página en el sitio."
+
+msgid "Documentation for this page"
+msgstr "Documentación de esta página"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Le lleva desde cualquier página a la documentación de la vista que la genera."
+
+msgid "Tags"
+msgstr "Etiquetas"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista de todas las etiquetas de plantilla y sus funciones."
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Los filtros son acciones que pueden ser aplicadas a variables en una "
+"plantilla para alterar el resultado final."
+
+msgid "Models"
+msgstr "Modelos"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Los modelos son descripciones de todos los objetos en el sistema y sus "
+"campos asociados. Cada modelo contiene una lista de campos accesibles como "
+"variables de plantilla"
+
+msgid "Views"
+msgstr "Vistas"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Cada página en el sitio público es generada por una vista. La vista define "
+"qué plantilla es utilizada para generar la página y qué objetos están "
+"disponibles para esta plantilla."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Herramientas para su navegador para acceder rápidamente a la funcionalidad "
+"de administración."
+
+msgid "Please install docutils"
+msgstr "Por favor instale docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"El sistema de documentación de admin requiere la biblioteca Python <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Por favor solicite a sus administradores de sistemas que instalen <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelo: %(name)s"
+
+msgid "Fields"
+msgstr "Campos"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descripción"
+
+msgid "Methods with arguments"
+msgstr "Métodos con argumentos"
+
+msgid "Method"
+msgstr "Método"
+
+msgid "Arguments"
+msgstr "Argumentos"
+
+msgid "Back to Model documentation"
+msgstr "Volver a documentación de modelos"
+
+msgid "Model documentation"
+msgstr "Documentación de modelos"
+
+msgid "Model groups"
+msgstr "Grupos de modelos"
+
+msgid "Templates"
+msgstr "Plantillas"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Plantilla: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Plantilla: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Ruta de búsqueda para la plantilla <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(no existe)"
+
+msgid "Back to Documentation"
+msgstr "Volver a la documentación"
+
+msgid "Template filters"
+msgstr "Filtros de plantilla"
+
+msgid "Template filter documentation"
+msgstr "Documentación de filtros de plantilla"
+
+msgid "Built-in filters"
+msgstr "Filtros Django 'de fábrica'"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Para usar estos filtros, escriba <code>%(code)s</code> en su plantilla antes "
+"de usar el filtro."
+
+msgid "Template tags"
+msgstr "Etiquetas de plantilla"
+
+msgid "Template tag documentation"
+msgstr "Documentación de etiquetas de plantilla"
+
+msgid "Built-in tags"
+msgstr "Etiquetas Django 'de fábrica'"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Para usar estas etiquetas, escriba <code>%(code)s</code> en su plantilla "
+"antes de usar la etiqueta."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vista: %(name)s"
+
+msgid "Context:"
+msgstr "Contexto:"
+
+msgid "Templates:"
+msgstr "Plantillas:"
+
+msgid "Back to View documentation"
+msgstr "Volver a documentación de vistas"
+
+msgid "View documentation"
+msgstr "Documentación de vistas"
+
+msgid "Jump to namespace"
+msgstr "Ir a espacio de nombres"
+
+msgid "Empty namespace"
+msgstr "Espacio de nombres vacío"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vistas por espacio de nombres %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vistas por espacio de nombres vacío"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Función vista: <code>%(full_name)s</code>. Nombre: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "etiqueta:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "vista:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplicación %(app_label)r no encontrada"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelo %(model_name)r no encontrado en aplicación %(app_label)r"
+
+msgid "model:"
+msgstr "modelo:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "el objeto `%(app_label)s.%(data_type)s` relacionado"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objetos `%(app_label)s.%(object_name)s` relacionados"
+
+#, python-format
+msgid "all %s"
+msgstr "todos los %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "número de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s no parece ser un objeto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b4ce79b0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..abe7ac26
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,281 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carlos Muñoz <cmuozdiaz@outlook.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 19:11+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentación Administrativa"
+
+msgid "Home"
+msgstr "Inicio"
+
+msgid "Documentation"
+msgstr "Documentación"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentación de Bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Para instalar bookmarklets, arrastre el enlace a tu barra de marcadores, o "
+"haga clic derecho en el enlace y agregarlo a tus marcadores. Ahora puede "
+"seleccionar el bookmarklet desde cualquier página en el sitio."
+
+msgid "Documentation for this page"
+msgstr "Documentación para esta página"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "Ir desde cualquier página a la documentación de vista que la genera."
+
+msgid "Tags"
+msgstr "Etiquetas"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista de todas las etiquetas de plantillas y sus funciones."
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Los filtros son acciones que pueden ser aplicadas a variables en la "
+"plantilla para cambiar el resultado."
+
+msgid "Models"
+msgstr "Modelos"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Los modelos son descripción de los objetos del sistema y sus campos "
+"asociados. Cada modelo tiene una lista de campos a la que se puede acceder "
+"como variables de plantilla"
+
+msgid "Views"
+msgstr "Vistas"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Cada página del sitio es generada por una vista. En la vista se define que "
+"plantilla se utilizara para generar la página y que objetos están "
+"disponibles para esa plantilla."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Herramientas para su navegador para acceder rápidamente a la funcionalidad "
+"de administrador"
+
+msgid "Please install docutils"
+msgstr "Por favor instale docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"El sistema de documentación de la administración require la biblioteca <a "
+"href=\"%(link)s\">docutils</a> de Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Por favor pregunte a su administrador como instalar <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelo: %(name)s"
+
+msgid "Fields"
+msgstr "Campos"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descripción"
+
+msgid "Methods with arguments"
+msgstr "Métodos con argumentos"
+
+msgid "Method"
+msgstr "Método"
+
+msgid "Arguments"
+msgstr "Argumentos"
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr "Documentación del Modelo"
+
+msgid "Model groups"
+msgstr "Grupo de modelos"
+
+msgid "Templates"
+msgstr "Plantillas"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Plantilla: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Plantilla: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "Burscar ruta para la plantilla \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(no existe)"
+
+msgid "Back to Documentation"
+msgstr "Volver a la documentación"
+
+msgid "Template filters"
+msgstr "Filtros de plantilla"
+
+msgid "Template filter documentation"
+msgstr "Documentación de los filtros de plantilla"
+
+msgid "Built-in filters"
+msgstr "Filtros incorporados"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Para utilizar estos filtros, incluya <code>%(code)s</code> en su plantilla "
+"antes de usar el filtro."
+
+msgid "Template tags"
+msgstr "Etiquetas de plantilla"
+
+msgid "Template tag documentation"
+msgstr "Documentación de las etiquetas de plantilla"
+
+msgid "Built-in tags"
+msgstr "Etiquetas incorporadas"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Para utilizar estas etiquetas, incluya <code>%(code)s</code> en su plantilla "
+"antes de utilizar la etiqueta."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vista: %(name)s"
+
+msgid "Context:"
+msgstr "Contexto:"
+
+msgid "Templates:"
+msgstr "Plantillas:"
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr "Documentación de la vista"
+
+msgid "Jump to namespace"
+msgstr "Ir al namespace"
+
+msgid "Empty namespace"
+msgstr "Namespace vacío"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vistas por namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vistas por namespace vacío"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Ver función: <code>%(full_name)s</code>. Nombre: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "etiqueta:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "vista:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplicación %(app_label)r no encontrada"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelo %(model_name)r no encontrado en la aplicación %(app_label)r"
+
+msgid "model:"
+msgstr "modelo:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "el objeto relacionado'%(app_label)s.%(data_type)s'"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objectos relacionados '%(app_label)s.%(object_name)s'"
+
+#, python-format
+msgid "all %s"
+msgstr "todo %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "numero de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s no parece ser un objecto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..164f0618
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3242cb04
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,260 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abraham Estrada, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Inicio"
+
+msgid "Documentation"
+msgstr "Documentación"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklets de documentación"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Documentación de esta página"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Le lleva desde cualquier página a la documentación de la vista que la genera."
+
+msgid "Tags"
+msgstr "Etiquetas"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Modelos"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Vistas"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Plantillas"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "etiqueta:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "ver:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelo %(model_name)r no encontrado en aplicación %(app_label)r"
+
+msgid "model:"
+msgstr "modelo:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "el objeto `%(app_label)s.%(data_type)s` relacionado"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objetos `%(app_label)s.%(object_name)s` relacionados"
+
+#, python-format
+msgid "all %s"
+msgstr "todos los %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "número de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s no parece ser un objeto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..434fc877
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_VE/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bfbca396
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hotellook, 2014
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2016
+# Yoel Acevedo, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 19:11+0000\n"
+"Last-Translator: Yoel Acevedo\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/django/django/"
+"language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentación Administrativa"
+
+msgid "Home"
+msgstr "Inicio"
+
+msgid "Documentation"
+msgstr "Documentación"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentación de Bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Para instalar bookmarklets, arrastre el enlace a tu barra de marcadores, o "
+"haga clic derecho en el enlace y agregarlo a tus marcadores. Ahora puede "
+"seleccionar el bookmarklet desde cualquier página en el sitio."
+
+msgid "Documentation for this page"
+msgstr "Documentación para esta página"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Ir desde cualquier página a la documentación de vista que la genera esa "
+"página."
+
+msgid "Tags"
+msgstr "Etiquetas"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista de todas las etiquetas de plantillas y sus funciones."
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Los filtros son acciones que pueden ser aplicadas a variables en la "
+"plantilla para cambiar el resultado."
+
+msgid "Models"
+msgstr "Modelos"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Los modelos son descripción de los objetos del sistema y sus campos "
+"asociados. Cada modelo tiene una lista de campos a la que se puede acceder "
+"como variables de plantilla"
+
+msgid "Views"
+msgstr "Vistas"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Cada página del sitio es generada por una vista. En la vista se define que "
+"plantilla se utilizara para generar la página y que objetos están "
+"disponibles para esa plantilla."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Herramientas para su navegador para acceder rápidamente a la funcionalidad "
+"de administrador."
+
+msgid "Please install docutils"
+msgstr "Por favor, instale la biblioteca docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"El sistema de documentación de la administración requiere la biblioteca <a "
+"href=\"%(link)s\">docutils</a> de Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Por favor, pregunte a su administrador como instalar la biblioteca <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelo: %(name)s"
+
+msgid "Fields"
+msgstr "Campos"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descripción"
+
+msgid "Methods with arguments"
+msgstr "Métodos con argumentos"
+
+msgid "Method"
+msgstr "Método"
+
+msgid "Arguments"
+msgstr "Argumentos"
+
+msgid "Back to Model documentation"
+msgstr "Volver a la documentación de Modelos"
+
+msgid "Model documentation"
+msgstr "Documentación del Modelo"
+
+msgid "Model groups"
+msgstr "Grupo de modelos"
+
+msgid "Templates"
+msgstr "Plantillas"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Plantilla: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Plantilla: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "Buscar ruta para la plantilla \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(no existe)"
+
+msgid "Back to Documentation"
+msgstr "Volver a la documentación"
+
+msgid "Template filters"
+msgstr "Filtros de plantilla"
+
+msgid "Template filter documentation"
+msgstr "Documentación de los filtros de plantilla"
+
+msgid "Built-in filters"
+msgstr "Filtros incorporados"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Para utilizar estos filtros, incluya <code>%(code)s</code> en su plantilla "
+"antes de usar el filtro."
+
+msgid "Template tags"
+msgstr "Etiquetas de plantilla"
+
+msgid "Template tag documentation"
+msgstr "Documentación de las etiquetas de plantilla"
+
+msgid "Built-in tags"
+msgstr "Etiquetas incorporadas"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Para utilizar estas etiquetas, incluya <code>%(code)s</code> en su plantilla "
+"antes de utilizar la etiqueta."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vista: %(name)s"
+
+msgid "Context:"
+msgstr "Contexto:"
+
+msgid "Templates:"
+msgstr "Plantillas:"
+
+msgid "Back to View documentation"
+msgstr "Volver a la documentación de Vistas"
+
+msgid "View documentation"
+msgstr "Documentación de la vista"
+
+msgid "Jump to namespace"
+msgstr "Ir al namespace"
+
+msgid "Empty namespace"
+msgstr "Namespace vacío"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vistas por namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vistas por namespace vacío"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Ver función: <code>%(full_name)s</code>. Nombre: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "etiqueta:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "vista:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplicación %(app_label)r no encontrada"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelo %(model_name)r no encontrado en la aplicación %(app_label)r"
+
+msgid "model:"
+msgstr "modelo:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "el objeto relacionado '%(app_label)s.%(data_type)s'"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objetos relacionados '%(app_label)s.%(object_name)s'"
+
+#, python-format
+msgid "all %s"
+msgstr "todo %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "numero de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s no parece ser un objeto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..81898a8a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/et/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ade75420
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2013,2015
+# Martin <martinpajuste@gmail.com>, 2021
+# Martin <martinpajuste@gmail.com>, 2016
+# Marti Raudsepp <marti@juffo.org>, 2014
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-22 11:26+0000\n"
+"Last-Translator: Martin <martinpajuste@gmail.com>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administreerimise Dokumentatsioon"
+
+msgid "Home"
+msgstr "Kodu"
+
+msgid "Documentation"
+msgstr "Dokumentatsioon"
+
+msgid "Bookmarklets"
+msgstr "Järjehoidjandid"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentatsiooni järjehoidjandid"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Järjehoidjandite paigaldamiseks lohista viit järjehoidjateribale või tee "
+"parem-klikk viidal ning lisa see järjehoidjatesse. Seejärel võite "
+"järjehoidjandi aktiveerida suvaliselt saidi lehelt."
+
+msgid "Documentation for this page"
+msgstr "Selle lehekülje dokumentatsioon"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Suunab teid suvalisel lehel asudes selle vaate dokumentatsioonile, mis antud "
+"lehe genereerib."
+
+msgid "Tags"
+msgstr "Lipikud"
+
+msgid "List of all the template tags and their functions."
+msgstr "Nimekiri kõikidest malli märgistustest ja nende funktsioonidest."
+
+msgid "Filters"
+msgstr "Filtrid"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtrid on tegevused, mida saab mallides külge panna muutujatele muutmaks "
+"viimaste väljundit."
+
+msgid "Models"
+msgstr "Mudelid"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Mudelid on süsteemi kõikide objektide ja nende väljade omavaheliste seoste "
+"kirjeldused. Igal mudelil on hulk väljasid, mida saab mallide muutujatena "
+"kasutada"
+
+msgid "Views"
+msgstr "Vaated"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Avaliku saidi iga leht on genereeritud vaate poolt. Vaade defineerib lehe "
+"genereerimiseks kasutatava malli ning objektid mida mall kasutada saab."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Töövahendid sinu brauserile pääsemaks kiiresti ligi administraatori "
+"funktsioonidele. "
+
+msgid "Please install docutils"
+msgstr "Palun paigaldage docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Administreerimise dokumentatsioon vajab Python'i <a href=\"%(link)s"
+"\">docutils</a> teeki."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "Palu administraatoril paigaldada <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Mudel: %(name)s"
+
+msgid "Fields"
+msgstr "Väljad"
+
+msgid "Field"
+msgstr "Väli"
+
+msgid "Type"
+msgstr "Tüüp"
+
+msgid "Description"
+msgstr "Kirjeldus"
+
+msgid "Methods with arguments"
+msgstr "Meetodid parameetritega"
+
+msgid "Method"
+msgstr "Meetod"
+
+msgid "Arguments"
+msgstr "Parameetrid"
+
+msgid "Back to Model documentation"
+msgstr "Tagasi Mudeli dokumentatsiooni"
+
+msgid "Model documentation"
+msgstr "Mudeli dokumentatsioon"
+
+msgid "Model groups"
+msgstr "Mudeligrupid"
+
+msgid "Templates"
+msgstr "Mallid"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Mall: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Mall: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Otsinguteekond mallile <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(pole olemas)"
+
+msgid "Back to Documentation"
+msgstr "Tagasi Dokumentatsiooni"
+
+msgid "Template filters"
+msgstr "Mallifiltrid"
+
+msgid "Template filter documentation"
+msgstr "Mallifiltrite dokumentatsioon"
+
+msgid "Built-in filters"
+msgstr "Sisseehitatud filtrid"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Et kasutada neid filtreid, pane malli sisse <code>%(code)s</code> enne kui "
+"kasutad filtrit."
+
+msgid "Template tags"
+msgstr "Malli märgendid"
+
+msgid "Template tag documentation"
+msgstr "Malli märgendite dokumentatsioon"
+
+msgid "Built-in tags"
+msgstr "Sisseehitatud märgendid"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Et kasutada neid märgendeid pane malli <code>%(code)s</code> enne kui "
+"kasutad märgendit."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vaade: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Mallid:"
+
+msgid "Back to View documentation"
+msgstr "Tagasi Vaate dokumentatsiooni"
+
+msgid "View documentation"
+msgstr "Vaata dokumentatsiooni"
+
+msgid "Jump to namespace"
+msgstr "Mine nimeruumile"
+
+msgid "Empty namespace"
+msgstr "Tühi nimeruum"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vaated nimeruumi kaupa %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vaated tühja nimeruumi kaupa"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Vaate funktsioon: <code>%(full_name)s</code>. Nimi: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "lipik:"
+
+msgid "filter:"
+msgstr "filtreeri:"
+
+msgid "view:"
+msgstr "vaade:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Rakendust %(app_label)r ei leitud"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Mudelit %(model_name)r ei leitud rakendusest %(app_label)r"
+
+msgid "model:"
+msgstr "mudel:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "seotud `%(app_label)s.%(data_type)s` objekt"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "seotud `%(app_label)s.%(object_name)s` objektid"
+
+#, python-format
+msgid "all %s"
+msgstr "kõik %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s arv"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ei tundu olevat urlpattern objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d72319b4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..055d056e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,283 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aitzol Naberan <anaberan@codesyntax.com>, 2011-2013
+# Eneko Illarramendi <eneko@illarra.com>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Urtzi Odriozola <urtzi.odriozola@gmail.com>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-25 09:47+0000\n"
+"Last-Translator: Urtzi Odriozola <urtzi.odriozola@gmail.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Kudeaketa dokumentazioa"
+
+msgid "Home"
+msgstr "Hasiera"
+
+msgid "Documentation"
+msgstr "Dokumentazioa"
+
+msgid "Bookmarklets"
+msgstr "Markadoreak"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentazio markadoreak"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Markadoreak instalatzeko eraman linka zure erreminta panelera (toolbar), edo "
+"eskuineko botoiarekin klik egin eta gehitu erreminta panelera. Orain edozein "
+"markadore aukera dezakezu webguneko edozein orrialdetatik."
+
+msgid "Documentation for this page"
+msgstr "Web orri honen dokumentazioa"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Edozein orritik, orria sortzen duen bistaren dokumentaziora eramango zaitu."
+
+msgid "Tags"
+msgstr "Etiketak"
+
+msgid "List of all the template tags and their functions."
+msgstr "Template tag guztien eta beraien funtzioen zerrnda."
+
+msgid "Filters"
+msgstr "Iragazkiak"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Txantiloi barneko aldagaien irteera aldatzeko aplikatzen diren ekintzak dira "
+"Filter-ak."
+
+msgid "Models"
+msgstr "Ereduak"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Sisteman definitutako objektu eta beraien eremuen zehaztapenak dira "
+"modeloak. Modelo bakoitzak eremu zerrenda bat dauka eta eremu hauetako "
+"bakoitza txantiloietako aldagai gisa atzitu daiteke."
+
+msgid "Views"
+msgstr "Bistak"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Webgune publikoan agertzen den orri bakoitza bista batek sortzen du. Bistak "
+"zehazten duzein txantiloi erabiliko den eta honek eskuragarri izango dituen "
+"objektuak."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Adminera azkar sartzeko arakatzailearentzako tresnak"
+
+msgid "Please install docutils"
+msgstr "Instalatu docutils mesedez"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Admin dokumentazio sostemak Pythonen <a href=\"%(link)s\">docutils</a> "
+"liburutegia behar du."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Eskatu zure administratzaileari <a href=\"%(link)s\">docutils</a> "
+"instalatzeko."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modeloa: %(name)s"
+
+msgid "Fields"
+msgstr "Eremuak"
+
+msgid "Field"
+msgstr "Eremua"
+
+msgid "Type"
+msgstr "Mota"
+
+msgid "Description"
+msgstr "Deskribapena"
+
+msgid "Methods with arguments"
+msgstr "Argumentudun metodoak"
+
+msgid "Method"
+msgstr "Metodoa"
+
+msgid "Arguments"
+msgstr "Argumentuak"
+
+msgid "Back to Model documentation"
+msgstr "Bueltatu Modeloaren Dokumentaziora"
+
+msgid "Model documentation"
+msgstr "Modeloaren dokumentazioa"
+
+msgid "Model groups"
+msgstr "Modelo taldeak"
+
+msgid "Templates"
+msgstr "Txantiloiak"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Txantiloia: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Txantiloia: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "\"%(name)s\" txantiloiaren bilaketa bidea:"
+
+msgid "(does not exist)"
+msgstr "(ez da existitzen)"
+
+msgid "Back to Documentation"
+msgstr "Bueltatu Dokumentaziora"
+
+msgid "Template filters"
+msgstr "Txantiloi iragazkiak"
+
+msgid "Template filter documentation"
+msgstr "Txantiloi iragazkien dokumentazioa"
+
+msgid "Built-in filters"
+msgstr "Iragazki integratuak"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Iragazki hauek erabiltzeko jarri <code>%(code)s</code> iragazkia erabili "
+"aurretik zure txantiloian"
+
+msgid "Template tags"
+msgstr "Template tags"
+
+msgid "Template tag documentation"
+msgstr "Template tag documentazioa"
+
+msgid "Built-in tags"
+msgstr "Etiketa integratuak"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Tag hauek erabiltzeko, jarri <code>%(code)s</code> txantiloian taga erabili "
+"aurretik."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Kontextua:"
+
+msgid "Templates:"
+msgstr "Txantiloia:"
+
+msgid "Back to View documentation"
+msgstr "Bueltatu Bisten Dokumentaziora"
+
+msgid "View documentation"
+msgstr "Bisten dokumentazioa"
+
+msgid "Jump to namespace"
+msgstr "Joan izen-espaziora"
+
+msgid "Empty namespace"
+msgstr "Izen-espazio hutsa"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Bistak %(name)s izen-espazio arabera"
+
+msgid "Views by empty namespace"
+msgstr "Bistak izen-espazio hutsen arabera"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Bista funtzioa: <code>%(full_name)s</code>. Izena: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "etiketa:"
+
+msgid "filter:"
+msgstr "filtroa:"
+
+msgid "view:"
+msgstr "bista:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "%(app_label)r aplikazioa ez da aurkitu"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(model_name)r modeloa ez da aurkitu %(app_label)r aplikazioan"
+
+msgid "model:"
+msgstr "modeloa:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "erlazionatutako `%(app_label)s.%(data_type)s` objektua"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "erlazionatutako `%(app_label)s.%(object_name)s` objektuak"
+
+#, python-format
+msgid "all %s"
+msgstr "%s dena"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s zenbakia"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ez dirudi  url heredu objetua"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5ef86837
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5e2266d0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Nikneshan <ali@nikneshan.com>, 2011-2012,2020
+# Ali Vakilzade <ali.vakilzade@gmail.com>, 2015
+# Eric Hamiter <ehamiter@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Pouya Abbassi, 2016
+# rahim agh <rahim.aghareb@gmail.com>, 2021
+# Reza Mohammadi <reza@teeleh.ir>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-03 06:13+0000\n"
+"Last-Translator: rahim agh <rahim.aghareb@gmail.com>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "مستندات مدیریت"
+
+msgid "Home"
+msgstr "خانه"
+
+msgid "Documentation"
+msgstr "مستندات"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklet ها"
+
+msgid "Documentation bookmarklets"
+msgstr "مستندات bookmarklet ها"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"برای نصب بوکمارکلت‌ها، لینک را به نوار‌ابزار بوکمارک خود بکشید، یا راست‌کلیک "
+"کنید و به بوکمارکهای خود اضافه کنید. حالا شما میتوانید از هر صفحه ای در سایت "
+"بوکمارکلت انتخاب کنید."
+
+msgid "Documentation for this page"
+msgstr "مستندات این صفحه"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"شما را از هر صفحه‌ای که باشید به مستندات نمایی که صفحه را ایجاد کرده می‌برد"
+
+msgid "Tags"
+msgstr "برچسب‌ها"
+
+msgid "List of all the template tags and their functions."
+msgstr "لیست همه برچسب‌های قالب‌ها و توابعشان"
+
+msgid "Filters"
+msgstr "فیلترها"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"فیلترها عملیاتی هستند که میتوان روی متغیرها و قالب‌ها اعمال شود تا خروجی را "
+"تغییر دهند."
+
+msgid "Models"
+msgstr "مدل‌ها"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"مدلها توضحاتی هستند از اشیایی در سیستم و فیلدهای مرتبط. هر مدل یک لیست از "
+"فیلد یک لیست از فیلدها را دارد که میتواند از طریق متغیرهای قالب در دسترس "
+"قرار بگیرد."
+
+msgid "Views"
+msgstr "نمایش ها"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"هر صفحه در وبسایت عمومی با یک نمایش ساخته میشود. نمایش تعیین میکند کدام قالب "
+"برای ساخت صفحه استفاده شود و کدام شیء برای قالب در دسترس باشد."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "ابزار مرورگر خود را به سرعت قابلیت اداری دسترسی داشته باشید."
+
+msgid "Please install docutils"
+msgstr "لطفاً docutils نصب کنید"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"سیستم مستندات مدیر نیازمند کتابخانه‌ی <a href=\"%(link)s\">docutils</a> "
+"پایتون است."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"لطفا از مدیر خود درخواست کنید تا کتابخانه‌ی <a href=\"%(link)s\">docutils</a> "
+"را نصب کند."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "مدل: %(name)s"
+
+msgid "Fields"
+msgstr "فیلدها"
+
+msgid "Field"
+msgstr "فیلد"
+
+msgid "Type"
+msgstr "نوع"
+
+msgid "Description"
+msgstr "توضیحات"
+
+msgid "Methods with arguments"
+msgstr "متدهایی با آرگومانها"
+
+msgid "Method"
+msgstr "متد"
+
+msgid "Arguments"
+msgstr "آرکومانها"
+
+msgid "Back to Model documentation"
+msgstr "برگشت به مستندات مدل"
+
+msgid "Model documentation"
+msgstr "مستندات مدل"
+
+msgid "Model groups"
+msgstr "گروه‌های مدل"
+
+msgid "Templates"
+msgstr "قالب‌ها"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "قالب: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "قالب: %(name)s"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "مسیر جستجو برای قالب \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(وجود ندارد)"
+
+msgid "Back to Documentation"
+msgstr "برگشت به مستندات"
+
+msgid "Template filters"
+msgstr "فیلترهای قالب"
+
+msgid "Template filter documentation"
+msgstr "مستندات فیلتر قالب"
+
+msgid "Built-in filters"
+msgstr "فیلترهای از اول موجود"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"برای استفاده از این فیلترها، کد <code>%(code)s</code> را قبل از استفاده از "
+"فیلتر، در قالب قرار دهید."
+
+msgid "Template tags"
+msgstr "برچسب‌های قالب"
+
+msgid "Template tag documentation"
+msgstr "مستندات برچسب قالب"
+
+msgid "Built-in tags"
+msgstr "برچسب‌های از اول موجود"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"برای استفاده از این تگ‌ها، کد <code>%(code)s</code> را قبل از استفاده از تگ، "
+"در قالب قرار دهید."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "نمایش: %(name)s"
+
+msgid "Context:"
+msgstr "زمینه:"
+
+msgid "Templates:"
+msgstr "قالب‌ها:"
+
+msgid "Back to View documentation"
+msgstr "برگشت به مستندات نمایش"
+
+msgid "View documentation"
+msgstr "مشاهده مستندات"
+
+msgid "Jump to namespace"
+msgstr "پرش به فضای نام"
+
+msgid "Empty namespace"
+msgstr "فضای نام خالی"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "نمایشها بر اساس فضای نام %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "نمایشها بر اساس فضای نام خالی"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"نمایش تابع: <code>%(full_name)s</code>. نام: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "برچسب:"
+
+msgid "filter:"
+msgstr "فیلتر"
+
+msgid "view:"
+msgstr "نمایش:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "برنامه‌ی %(app_label)r پیدا نشد"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "مدل %(model_name)r در برنامهٔ %(app_label)r یافت نشد"
+
+msgid "model:"
+msgstr "مدل:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "شیء «%(app_label)s.%(data_type)s» مرتبط"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "اشیاء «%(app_label)s.%(object_name)s» مرتبط"
+
+#, python-format
+msgid "all %s"
+msgstr "همهٔ %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "تعداد %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "به نظر نمی رسد %s یک شیء از نوع urlpattern باشد"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8886f15d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bec75c98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,278 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2017,2020-2021
+# Elias Luttinen <elias.luttinen@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-14 12:19+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Hallinnan ohjeet"
+
+msgid "Home"
+msgstr "Etusivu"
+
+msgid "Documentation"
+msgstr "Ohjeita"
+
+msgid "Bookmarklets"
+msgstr "Kirjanmerkkiset"
+
+msgid "Documentation bookmarklets"
+msgstr "Ohjeiden kirjanmerkkiset"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Asenna kirjanmerkkinen raahaamalla linkki kirjanmerkkien työkalupalkkiin tai "
+"napsauttamalla linkkiä oikeanpuoleisella hiiren painikkeella ja valitsemalla "
+"kirjanmerkkeihin lisäämisen. Sen jälkeen voit valita kirjanmerkkisen miltä "
+"tahansa sivuston sivulta."
+
+msgid "Documentation for this page"
+msgstr "Tämän sivun ohjeita"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "Näyttää ohjeet, jotka koskevat ko. sivun luonutta näkymää."
+
+msgid "Tags"
+msgstr "Tagit"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista kaikista mallinetunnisteista ja niiden toiminnasta."
+
+msgid "Filters"
+msgstr "Suodattimet"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Suotimet ovat toimintoja, jotka käsittelevät mallineessa käytettävän "
+"muuttujan ulostuloa."
+
+msgid "Models"
+msgstr "Mallit"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Mallit kuvaavat järjestelmän kaikkia objekteja ja niihin liittyviä kenttiä. "
+"Kenttiä pystyy käyttämään mallineista mallinemuuttujina."
+
+msgid "Views"
+msgstr "Näkymät"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Jokainen sivuston sivu on näkymän luoma. Näkymä määrittelee mitä mallinetta "
+"sivun luontiin käytetään ja mitä objekteja mallineella on käytössä."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Selaintyökaluja, joilla pääset nopeasti hallinnointitoimintoihin."
+
+msgid "Please install docutils"
+msgstr "Ole hyvä ja asenna docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Hallinnan dokumentaatio vaatii Pythonin <a href=\"%(link)s\">docutils</a>-"
+"kirjaston."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "Pyydä ylläpitäjiä asentamaan <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Malli: %(name)s"
+
+msgid "Fields"
+msgstr "Kentät"
+
+msgid "Field"
+msgstr "Kenttä"
+
+msgid "Type"
+msgstr "Tyyppi"
+
+msgid "Description"
+msgstr "Selite"
+
+msgid "Methods with arguments"
+msgstr "Metodit argumentteineen"
+
+msgid "Method"
+msgstr "Metodi"
+
+msgid "Arguments"
+msgstr "Argumentit"
+
+msgid "Back to Model documentation"
+msgstr "Takaisin mallidokumentaatioon"
+
+msgid "Model documentation"
+msgstr "Mallidokumentaatio"
+
+msgid "Model groups"
+msgstr "Malliryhmät"
+
+msgid "Templates"
+msgstr "Mallineet"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Malline: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Malline: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Mallineen <q>%(name)s</q> hakupolku"
+
+msgid "(does not exist)"
+msgstr "(ei ole olemassa)"
+
+msgid "Back to Documentation"
+msgstr "Takaisin dokumentaatioon"
+
+msgid "Template filters"
+msgstr "Mallinesuotimet"
+
+msgid "Template filter documentation"
+msgstr "Mallinesuodindokumentaatio"
+
+msgid "Built-in filters"
+msgstr "Sisäänrakennetut suotimet"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Käyttääksesi näitä suotimia, sisällytä <code>%(code)s</code> mallineesi "
+"alkuun."
+
+msgid "Template tags"
+msgstr "Mallinetunnisteet"
+
+msgid "Template tag documentation"
+msgstr "Mallinetunnistedokumentaatio"
+
+msgid "Built-in tags"
+msgstr "Sisäänrakennetut tunnisteet"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Käyttääksesi näitä tunnisteita, sisällytä <code>%(code)s</code> mallineesi "
+"alkuun."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Näkymä: %(name)s"
+
+msgid "Context:"
+msgstr "Konteksti:"
+
+msgid "Templates:"
+msgstr "Mallineet:"
+
+msgid "Back to View documentation"
+msgstr "Takaisin näkymädokumentaatioon"
+
+msgid "View documentation"
+msgstr "Näkymädokumentaatio"
+
+msgid "Jump to namespace"
+msgstr "Siirry nimiavaruuteen"
+
+msgid "Empty namespace"
+msgstr "Tyhjä nimiavaruus"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Näkymät nimiavaruuden %(name)s mukaan"
+
+msgid "Views by empty namespace"
+msgstr "Näkymät tyhjän nimiavaruuden mukaan"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Näkymäfunktio: <code>%(full_name)s</code>. Nimi: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "tagi:"
+
+msgid "filter:"
+msgstr "suodatin:"
+
+msgid "view:"
+msgstr "näkymä:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Sovellusta %(app_label)r ei löydy"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Sovelluksesta %(app_label)r ei löydy mallia %(model_name)r"
+
+msgid "model:"
+msgstr "malli:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "tähän liittyvä `%(app_label)s.%(data_type)s`-kohde"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "tähän liittyvät `%(app_label)s.%(object_name)s`-kohteet"
+
+#, python-format
+msgid "all %s"
+msgstr "kaikki %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s-kohteiden lukumäärä"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ei näytä olevan urlpattern-olio"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8a47fb9f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..81e05710
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2013-2016,2018-2019,2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 14:25+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentation technique"
+
+msgid "Home"
+msgstr "Accueil"
+
+msgid "Documentation"
+msgstr "Documentation"
+
+msgid "Bookmarklets"
+msgstr "Signets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentation des signets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Pour installer des signets, faites glisser le lien vers votre barre de "
+"marques-pages, ou effectuez un clic droit sur le lien et ajoutez-le. "
+"Maintenant, vous pouvez le sélectionner depuis n'importe quelle page du site."
+
+msgid "Documentation for this page"
+msgstr "Documentation pour cette page"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Vous envoie de n'importe quelle page vers la documentation de la vue qui a "
+"généré cette page."
+
+msgid "Tags"
+msgstr "Balises"
+
+msgid "List of all the template tags and their functions."
+msgstr "Liste de toutes les balises de gabarit et leur fonction."
+
+msgid "Filters"
+msgstr "Filtres"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Les filtres sont des actions qui peuvent être appliquées à des variables "
+"dans un gabarit pour modifier leur valeur affichée."
+
+msgid "Models"
+msgstr "Modèles"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Les modèles sont des descriptions de tous les objets du système avec leurs "
+"champs associés. Chaque modèle possède une liste de champs auxquels on peut "
+"accéder comme pour les variables de gabarit"
+
+msgid "Views"
+msgstr "Vues"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Chaque page du site public est générée par une vue. La vue détermine le "
+"gabarit utilisé pour générer la page ainsi que les objets qui sont "
+"disponibles dans le gabarit."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Outils permettant au navigateur d'accéder rapidement aux fonctionnalités de "
+"l'interface d'administration."
+
+msgid "Please install docutils"
+msgstr "Veuillez installer docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Le système de documentation de l'interface d'administration nécessite la "
+"bibliothèque Python <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Demandez à votre administrateur système d'installer <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modèle : %(name)s"
+
+msgid "Fields"
+msgstr "Champs"
+
+msgid "Field"
+msgstr "Champ"
+
+msgid "Type"
+msgstr "Type"
+
+msgid "Description"
+msgstr "Description"
+
+msgid "Methods with arguments"
+msgstr "Méthodes avec paramètres"
+
+msgid "Method"
+msgstr "Méthode"
+
+msgid "Arguments"
+msgstr "Paramètres"
+
+msgid "Back to Model documentation"
+msgstr "Retour à la documentation des modèles"
+
+msgid "Model documentation"
+msgstr "Documentation des modèles"
+
+msgid "Model groups"
+msgstr "Groupes de modèles"
+
+msgid "Templates"
+msgstr "Gabarits"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Gabarit : %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Gabarit : <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Chemin de recherche du gabarit <q>%(name)s</q> :"
+
+msgid "(does not exist)"
+msgstr "(n'existe pas)"
+
+msgid "Back to Documentation"
+msgstr "Retour à la documentation"
+
+msgid "Template filters"
+msgstr "Filtres de gabarit"
+
+msgid "Template filter documentation"
+msgstr "Documentation des filtres de gabarit"
+
+msgid "Built-in filters"
+msgstr "Filtres intégrés"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Pour utiliser ces filtres, placez <code>%(code)s</code> dans votre gabarit "
+"avant d'utiliser un des filtres."
+
+msgid "Template tags"
+msgstr "Balises de gabarit"
+
+msgid "Template tag documentation"
+msgstr "Documentation des balises de gabarit"
+
+msgid "Built-in tags"
+msgstr "Balises intégrées"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Pour utiliser ces balises, placez <code>%(code)s</code> dans le gabarit "
+"avant d'utiliser une des balises."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vue : %(name)s"
+
+msgid "Context:"
+msgstr "Contexte :"
+
+msgid "Templates:"
+msgstr "Gabarits :"
+
+msgid "Back to View documentation"
+msgstr "Retour à la documentation des vues"
+
+msgid "View documentation"
+msgstr "Documentation des vues"
+
+msgid "Jump to namespace"
+msgstr "Aller à l'espace de noms"
+
+msgid "Empty namespace"
+msgstr "Espace de noms vide"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vues par espace de noms %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vues par espace de noms vide"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Fonction de vue : <code>%(full_name)s</code>. Nom : <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "mot-clé :"
+
+msgid "filter:"
+msgstr "filtre :"
+
+msgid "view:"
+msgstr "vue :"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "L'application %(app_label)r n'a pas été trouvée"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+"Le modèle %(model_name)r n'a pas été trouvé dans l'application %(app_label)r"
+
+msgid "model:"
+msgstr "modèle :"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "l'objet « %(app_label)s.%(data_type)s » en relation"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "les objets « %(app_label)s.%(object_name)s » en relation"
+
+#, python-format
+msgid "all %s"
+msgstr "tous les %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "nombre de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ne semble pas être un objet urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2b145032
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f962a4da
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,275 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2015-01-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr ""
+
+msgid "Documentation"
+msgstr ""
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"\n"
+"<p class=\"help\">To install bookmarklets, drag the link to your bookmarks\n"
+"toolbar, or right-click the link and add it to your bookmarks. Now you can\n"
+"select the bookmarklet from any page in the site.  Note that some of these\n"
+"bookmarklets require you to be viewing the site from a computer designated\n"
+"as \"internal\" (talk to your system administrator if you aren't sure if\n"
+"your computer is \"internal\").</p>\n"
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Show object ID"
+msgstr ""
+
+msgid ""
+"Shows the content-type and unique ID for pages that represent a single "
+"object."
+msgstr ""
+
+msgid "Edit this object (current window)"
+msgstr ""
+
+msgid "Jumps to the admin page for pages that represent a single object."
+msgstr ""
+
+msgid "Edit this object (new window)"
+msgstr ""
+
+msgid "As above, but opens the admin page in a new window."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Back to Model Documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to Views Documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "Boolean (Either True or False)"
+msgstr ""
+
+#, python-format
+msgid "Field of type: %(field_type)s"
+msgstr ""
+
+msgid "tag:"
+msgstr ""
+
+msgid "filter:"
+msgstr ""
+
+msgid "view:"
+msgstr ""
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr ""
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr ""
+
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ebd4321e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ga/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d786e704
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luke Blaney <transifex@lukeblaney.co.uk>, 2019
+# Michael Thornhill <michael@maithu.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2019-06-22 21:37+0000\n"
+"Last-Translator: Luke Blaney <transifex@lukeblaney.co.uk>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Baile"
+
+msgid "Documentation"
+msgstr "Doiciméadúchán"
+
+msgid "Bookmarklets"
+msgstr "Leabharmharcín"
+
+msgid "Documentation bookmarklets"
+msgstr "Leabharmharcín doiciméadúchán"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Doiciméadúchán le hadhaigh an leathanach seo"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Tógann se tusa ón aon leathanach go dtí an doiciméadúchán le hadhaigh an "
+"radharc a rinne an leathanach."
+
+msgid "Tags"
+msgstr "Clibeanna"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Scagairí"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Samhla"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Radharcanna"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr "Cineál"
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Teimpléid"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "clib:"
+
+msgid "filter:"
+msgstr "scag:"
+
+msgid "view:"
+msgstr "radharc:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Ní bhfuarthas samhail %(model_name)r  i bhfeidhmclár %(app_label)r"
+
+msgid "model:"
+msgstr "samhail:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "An oibiacht gaolmhara `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "Oibiachtí gaolmhara `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "gach %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "líon %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "Feiceann sé nach bhfuil %s oibiacht urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..19f0f723
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bb8b1b4f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,289 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015-2016
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-07-15 10:42+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Administrative Documentation"
+msgstr "Docamaideadh na rianachd"
+
+msgid "Home"
+msgstr "Dhachaigh"
+
+msgid "Documentation"
+msgstr "Docamaideadh"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklets an docamaididh"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Gus bookmarklet a stàladh, slaodaich an ceangal gu bàr-inneal nan comharran-"
+"lìn agad no dèan briogadh deas air a’ cheangal is cuir e ris na comharran-"
+"lìn agad. ’S urrainn dhut am bookmarklet a thaghadh o duilleag sam bith san "
+"làrach an uairsin."
+
+msgid "Documentation for this page"
+msgstr "Docamaideadh airson na duilleige seo"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Gearraidh tu leum o duilleag sam bith dhan docamaideadh airson an t-"
+"seallaidh a ghineas an duilleag sin."
+
+msgid "Tags"
+msgstr "Tagaichean"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+"Liosta dhe thagaichean nan ùrlaran uile ’s dhe na foincseanan a th’ aca."
+
+msgid "Filters"
+msgstr "Criathragan"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"’S e gnìomhan a tha sna criathragan as urrainn dhut cur an sàs air "
+"caochladairean ann an teamplaid gus an t-às-chur atharrachadh."
+
+msgid "Models"
+msgstr "Modailean"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"’S e tuairisgeulan air a h-uile oibseact san t-siostam ’s air na raointean "
+"co-cheangailte riutha-san a tha sna modailean. Tha liosta dhe raointean aig "
+"gach modail as urrainn dhut inntrigeadh mar chaochladairean teamplaide"
+
+msgid "Views"
+msgstr "Seallaidhean"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Thèid gach duilleag air an làrach phoblach a ghintinn le sealladh. Mìnichidh "
+"an sealladh dè an teamplaid a thèid a chleachdadh gus an duilleag a ghintinn "
+"agus dè na h-oibseactan as urrainn dhan teamplaid ud a chleachdadh."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Innealan airson a’ bhrabhsair agad gus gnìomhan nan rianairean inntrigeadh "
+"gu luath."
+
+msgid "Please install docutils"
+msgstr "Stàlaich docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Tha siostam docamaideadh na rianachd feumach air an leabharlann <a href="
+"\"%(link)s\">docutils</a> aig Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Iarr air na rianairean agad gun stàlaich iad <a href=\"%(link)s\">docutils</"
+"a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modail: %(name)s"
+
+msgid "Fields"
+msgstr "Raointean"
+
+msgid "Field"
+msgstr "Raoin"
+
+msgid "Type"
+msgstr "Seòrsa"
+
+msgid "Description"
+msgstr "Tuairisgeul"
+
+msgid "Methods with arguments"
+msgstr "Modhan le argamaidean"
+
+msgid "Method"
+msgstr "Modh"
+
+msgid "Arguments"
+msgstr "Argamaidean"
+
+msgid "Back to Model documentation"
+msgstr "Till gu docamaideadh modail"
+
+msgid "Model documentation"
+msgstr "Docamaideadh modail"
+
+msgid "Model groups"
+msgstr "Buidhnean modail"
+
+msgid "Templates"
+msgstr "Teamplaidean"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Teamplaid: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Teamplaid: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Lorg slighe airson teamplaid <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(chan eil e ann)"
+
+msgid "Back to Documentation"
+msgstr "Till gun docamaideadh"
+
+msgid "Template filters"
+msgstr "Criathragan teamplaid"
+
+msgid "Template filter documentation"
+msgstr "Docamaideadh air criathragan teamplaid"
+
+msgid "Built-in filters"
+msgstr "Criathragan ’na bhroinn"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Gus na criathragan seo a chleachdadh, cuir <code>%(code)s</code> san "
+"teamplaid agad mus cleachd thu a’ chriathrag."
+
+msgid "Template tags"
+msgstr "Tagaichean teamplaid"
+
+msgid "Template tag documentation"
+msgstr "Docamaideadh air tagaichean teamplaid"
+
+msgid "Built-in tags"
+msgstr "Tagaichean ’na bhroinn"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Gus na tagaichean seo a chleachdadh, cuir <code>%(code)s</code> san "
+"teamplaid agad mus cleachd thu an taga."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Sealladh: %(name)s"
+
+msgid "Context:"
+msgstr "Co-theacsa:"
+
+msgid "Templates:"
+msgstr "Teamplaidean:"
+
+msgid "Back to View documentation"
+msgstr "Till gu docamaideadh nan seallaidhean"
+
+msgid "View documentation"
+msgstr "Docamaideadh nan seallaidhean"
+
+msgid "Jump to namespace"
+msgstr "Gearr leum dhan ainm-spàs"
+
+msgid "Empty namespace"
+msgstr "Ainm-spàs falamh"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Seallaidhean a-rèir ainm-spàs %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Seallaidhean a-rèir an ainm-spàis fhalaimh"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Foincsean seallaidh: <code>%(full_name)s</code>. Ainm: <code>"
+"%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "taga:"
+
+msgid "filter:"
+msgstr "criathrag:"
+
+msgid "view:"
+msgstr "sealladh:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Cha deach aplacaid %(app_label)r a lorg"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Cha deach modail %(model_name)r a lorg ann an aplacaid %(app_label)r"
+
+msgid "model:"
+msgstr "modail:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "an t-oibseact `%(app_label)s.%(data_type)s` dàimheach"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "na h-oibseactan `%(app_label)s.%(object_name)s` dàimheach"
+
+#, python-format
+msgid "all %s"
+msgstr "a h-uile %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "àireamh dhe %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "Chan eil coltas oibseact urlpattern air %s"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0216d603
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d6790913
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fonso <fonzzo@gmail.com>, 2011,2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-04-24 20:19+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentación administrativa"
+
+msgid "Home"
+msgstr "Inicio"
+
+msgid "Documentation"
+msgstr "Documentación"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklets de documentación"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Para instalar os bookmarklets, arrastre o enlace á súa barra de marcadores, "
+"ou pinche co botón dereito no enlace e engádao ós marcadores. Agora poderá "
+"seleccionar o bookmarklet desde calquera páxina do sitio."
+
+msgid "Documentation for this page"
+msgstr "Documentación para esta páxina"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "Salta á documentación para a vista que xera a páxina."
+
+msgid "Tags"
+msgstr "Etiquetas"
+
+msgid "List of all the template tags and their functions."
+msgstr "Listado de todas as etiquetas de plantilla e as súas funcións."
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Os filtros son accións que poden aplicarse a variables nunha plantilla para "
+"modificar a salida."
+
+msgid "Models"
+msgstr "Modelos"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Os modelos son descripcións de tódos os obxetos no sistema e os seus campos "
+"asociados. Cada modelo ten unha lista de campos ós que pode accederse como "
+"variables de plantilla."
+
+msgid "Views"
+msgstr "Vistas"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Cada páxina no sitio público é xerada por unha vista. A vista define qué "
+"plantilla se usa para xerar a páxina, e qué obxetos están dispoñibles nesa "
+"plantilla."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Ferramentas para o navegador para acceder rápidamente á funcionalidade de "
+"administración."
+
+msgid "Please install docutils"
+msgstr "Por favor instale docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+"O sistema de documentación de admin require da librería de Python <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Por favor pídalle ós administradores que instalen <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelo: %(name)s"
+
+msgid "Fields"
+msgstr "Campos"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descrición"
+
+msgid "Methods with arguments"
+msgstr "Métodos con argumentos"
+
+msgid "Method"
+msgstr "Método"
+
+msgid "Arguments"
+msgstr "Argumentos"
+
+msgid "Back to Model documentation"
+msgstr "Volver á documentación do Modelo"
+
+msgid "Model documentation"
+msgstr "Documentación do modelo"
+
+msgid "Model groups"
+msgstr "Modelos dos grupos"
+
+msgid "Templates"
+msgstr "Patróns"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Plantilla: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Plantilla: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Rutas de busca para a plantilla <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(non existe)"
+
+msgid "Back to Documentation"
+msgstr "Volver á documentación"
+
+msgid "Template filters"
+msgstr "Filtros de plantilla"
+
+msgid "Template filter documentation"
+msgstr "Documentación dos filtros de plantilla"
+
+msgid "Built-in filters"
+msgstr "Filtros incluidos"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Para usar estes filtros, poña <code>%(code)s</code> na plantilla antes de "
+"usar o filtro."
+
+msgid "Template tags"
+msgstr "Etiquetas de plantilla"
+
+msgid "Template tag documentation"
+msgstr "Documentación das etiquetas de plantilla"
+
+msgid "Built-in tags"
+msgstr "Etiquetas  incluidas"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Para usar estas etiquetas, poña <code>%(code)s</code> na plantilla antes de "
+"usar a etiqueta."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vista: %(name)s"
+
+msgid "Context:"
+msgstr "Contexto:"
+
+msgid "Templates:"
+msgstr "Plantillas:"
+
+msgid "Back to View documentation"
+msgstr "Volver á documentación da Vista"
+
+msgid "View documentation"
+msgstr "Ver documentación"
+
+msgid "Jump to namespace"
+msgstr "Saltar ó espacio de nomes"
+
+msgid "Empty namespace"
+msgstr "Baleirar espacio de nomes"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vistas por espacio de nomes %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vustas por espacio de nomes baleiro"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Función de vista: <code>%(full_name)s</code>. Nome <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "etiqueta:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "vista:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Non se atopa a aplicación %(app_label)r"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "O modelo %(model_name)r non se atopou na aplicación %(app_label)r"
+
+msgid "model:"
+msgstr "modelo:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "o obxecto relacionado `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "obxectos relacionados `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "todos os %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "número de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s non semella ser un obxecto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..24b9b3d5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/he/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..82a480b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,276 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2012-2015,2017,2020,2023
+# Yaron Shahrabani <sh.yaron@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 20:19+0000\n"
+"Last-Translator: Meir Kriheli <mkriheli@gmail.com>, "
+"2012-2015,2017,2020,2023\n"
+"Language-Team: Hebrew (http://app.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Administrative Documentation"
+msgstr "תיעוד ניהולי"
+
+msgid "Home"
+msgstr "דף הבית"
+
+msgid "Documentation"
+msgstr "תיעוד"
+
+msgid "Bookmarklets"
+msgstr "ייסומניות"
+
+msgid "Documentation bookmarklets"
+msgstr "ייסומוניות תיעוד"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"כדי להתקין ייסומניות, יש לגרור את הקישור לסרגל הסימניות שלך, או קליק ימני "
+"והוספה לסימניות. כעת ניתן לבחור את הייסומניה מכל עמוד באתר."
+
+msgid "Documentation for this page"
+msgstr "תיעוד לדף זה"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "מקפיץ אותך מכל עמוד לתיעוד התצוגה שייצרה אותו."
+
+msgid "Tags"
+msgstr "תגים"
+
+msgid "List of all the template tags and their functions."
+msgstr "רשימת כל ה-template tags והפונקציות שלהן."
+
+msgid "Filters"
+msgstr "מסננים"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr "פילטרים ופעולות אשר ניתן ליישם על משתנים בתבנית לשינוי הפלט."
+
+msgid "Models"
+msgstr "מודלים"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"מודלים הם תיאור כל האובייקטים במערכת והשדות הקשורים אליהם. לכל מודל יש רשימת "
+"שדות אשר ניתן לגשת אליהם בתור משתני תבנית"
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"כל עמוד באתר הציבורי מיוצר ע\"י view. ה־view מגדיר את התבנית המשמשת ליצירת "
+"העמוד ואת האובייקטים הזמינים לתבנית"
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "כלים המאפשרים לדפדפן שלך גישה מהירה ליכולות הניהול."
+
+msgid "Please install docutils"
+msgstr "נא להתקין את docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+"מערכת התיעוד במנשק הניהול דורשת את ספריית הפייתון <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "נא לבקש ממנהל המערכת להתקין את <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "מודל: %(name)s"
+
+msgid "Fields"
+msgstr "שדות"
+
+msgid "Field"
+msgstr "שדה"
+
+msgid "Type"
+msgstr "סוג"
+
+msgid "Description"
+msgstr "תיאור"
+
+msgid "Methods with arguments"
+msgstr "מתודות עם פרמטרים"
+
+msgid "Method"
+msgstr "מתודות"
+
+msgid "Arguments"
+msgstr "פרמטרים"
+
+msgid "Back to Model documentation"
+msgstr "חזרה לתיעוד מודל"
+
+msgid "Model documentation"
+msgstr "תיעוד מודלים"
+
+msgid "Model groups"
+msgstr "קבוצות מודלים"
+
+msgid "Templates"
+msgstr "תבניות"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "תבנית: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "תבנית: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "נתיב חיפוש לתבנית <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(לא קיים)"
+
+msgid "Back to Documentation"
+msgstr "חזרה לתיעוד"
+
+msgid "Template filters"
+msgstr "פילטרים לתבניות"
+
+msgid "Template filter documentation"
+msgstr "תיעוד פילטר לתבנית"
+
+msgid "Built-in filters"
+msgstr "פילטרים מובנים"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"כדי להשתמש בפילטרים האלו יש להוסיף <code>%(code)s</code> בתבנית שלך לפני "
+"השימוש בפילטר."
+
+msgid "Template tags"
+msgstr "תגים לתבניות"
+
+msgid "Template tag documentation"
+msgstr "תיעוד תגים לתבניות"
+
+msgid "Built-in tags"
+msgstr "תגים מובנים"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"כדי להשתמש בתגים האלו יש להוסיף <code>%(code)s</code> בתבנית שלך לפני השימוש "
+"בתג."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "קונטקסט:"
+
+msgid "Templates:"
+msgstr "תבניות:"
+
+msgid "Back to View documentation"
+msgstr "חזרה לתיעוד ה-View"
+
+msgid "View documentation"
+msgstr "תיעוד View"
+
+msgid "Jump to namespace"
+msgstr "מעבר למרחב שמות"
+
+msgid "Empty namespace"
+msgstr "מרחב שמות ריק"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views לפי מרחב שמות %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views לפני מרחב שמות ריק"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    פונקציית View: <code>%(full_name)s</code>. שם: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "תג:"
+
+msgid "filter:"
+msgstr "סינון:"
+
+msgid "view:"
+msgstr "ה־view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "יישום  %(app_label)r לא נמצא"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "מודל %(model_name)r לא נמצא ביישום %(app_label)r"
+
+msgid "model:"
+msgstr "מודל:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "עצמי `%(app_label)s.%(data_type)s` קשורים"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "עצמי `%(app_label)s.%(object_name)s` קשורים"
+
+#, python-format
+msgid "all %s"
+msgstr "כל %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "מספר %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "לא נראה כי %s הוא עצם urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0233cc88
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..876b764c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chandan kumar <chandankumar.093047@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "गृह"
+
+msgid "Documentation"
+msgstr "दस्तावेज़ीकरण"
+
+msgid "Bookmarklets"
+msgstr "बुकमार्कलेट्स"
+
+msgid "Documentation bookmarklets"
+msgstr "प्रलेखन बुकमार्कलेट्स"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "इस पृष्ठ की प्रलेखन"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "दृश्य जो उस पृष्ठ को उत्पन्न करता है के प्रलेखन के लिए किसी भी पृष्ठ पर जा सकते है."
+
+msgid "Tags"
+msgstr "टैग्स"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "फ़िल्टर्स"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "मॉडल"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "दृश्य"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "प्रारूप"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "टैग:"
+
+msgid "filter:"
+msgstr "छन्नी:"
+
+msgid "view:"
+msgstr "दृष्टि:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(model_name)r मॉडल %(app_label)r अनुप्रयोग में लापता है"
+
+msgid "model:"
+msgstr "मॉडल :"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "`%(app_label)s.%(data_type)s` संबंधित वस्तु"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "`%(app_label)s.%(object_name)s` संबंधित वस्तु"
+
+#, python-format
+msgid "all %s"
+msgstr "सभी %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s संख्या"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s सही यू.आऱ.एल प्रतिरूप वस्तु नहीं है"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e789b5ab
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0b70aa7e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,264 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# aljosa <aljosa.mohorovic@gmail.com>, 2012
+# Filip Cuk <filipcuk2@gmail.com>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Administrative Documentation"
+msgstr "Administrativna dokumentacija"
+
+msgid "Home"
+msgstr "Početna"
+
+msgid "Documentation"
+msgstr "Dokumentacija"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentacija bookmarklets-a"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Dokumentacija za ovu stranicu"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Preusmjeri te sa bilo koje stranice na dokumentaciju za taj prikaz (view) "
+"koji generira stranicu."
+
+msgid "Tags"
+msgstr "Tagovi"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Filteri"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Modeli"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr "Molimo instalirajte docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr "Polja"
+
+msgid "Field"
+msgstr "Polje"
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr "Opis"
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Predlošci"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Predložak: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Predložak: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr "(ne postoji)"
+
+msgid "Back to Documentation"
+msgstr "Povratak na dokumentaciju"
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr "Predlošci:"
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "prikaz:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplikacija %(app_label)r nije pronađena"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r nije pronađen u aplikaciji %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "povezani `%(app_label)s.%(data_type)s` objekt"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "povezani `%(app_label)s.%(object_name)s` objekti"
+
+#, python-format
+msgid "all %s"
+msgstr "svi %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "broj %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "izgleda da %s nije urlpattern objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..734adc01
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d210e386
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-01 21:47+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administratiwna dokumentacija"
+
+msgid "Home"
+msgstr "Startowa strona"
+
+msgid "Documentation"
+msgstr "Dokumentacija"
+
+msgid "Bookmarklets"
+msgstr "Skriptowe zapołožki"
+
+msgid "Documentation bookmarklets"
+msgstr "Skriptowe zapołožki dokumentacije"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Zo byšće skriptowe zapołožki instalował, ćehńće wotkaz do swojeje lajsty "
+"zapołožkow abo klikńće z prawej tastu myški na wotkaz a přidajće jón k "
+"swojim zapołožkam. Móžeće skriptowu zapołožku nětko z kóždeje strony na "
+"sydle wubrać."
+
+msgid "Documentation for this page"
+msgstr "Dokumentacija za tutu stronu"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Zmóžnja wam, wot někajkeje strony do dokumentacije napohlada skočić, kotryž "
+"je tu stronu wutworił."
+
+msgid "Tags"
+msgstr "Znački"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lisćina wšěch předłohowych značkow a jich funkcijow."
+
+msgid "Filters"
+msgstr "Filtry"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtry su akcije, kotrež dadźa so na wariable w předłoze nałožić, zo bychu "
+"wudaće změnili."
+
+msgid "Models"
+msgstr "Modele"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modele su wopisanja wšěch objektow w systemje a jich přisłušnych polow. "
+"Kóždy model ma lisćinu polow, na kotrež maja přistup jako předłohowe "
+"wariable."
+
+msgid "Views"
+msgstr "Napohlady"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Kóžda strona na zjawnym sydle so přez napohlad twori. Napohlad definuje, "
+"kotra předłoha so wužiwa, zo by stronu wutworiła a kotre objekty su tej "
+"přełoze k dispoziciji."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Nastroje za waš wobhladowak za spěšny přistup na administratorowu "
+"funkcionalnosć."
+
+msgid "Please install docutils"
+msgstr "Prošu instalujće docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Administratorowy dokumentaciski system sej Pythonowu biblioteku <a href="
+"\"%(link)s\">docutils</a> wužaduje."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Prošu prošće swojich administratorow, <a href=\"%(link)s\">docutils</a> "
+"instalować."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Pola"
+
+msgid "Field"
+msgstr "Polo"
+
+msgid "Type"
+msgstr "Typ"
+
+msgid "Description"
+msgstr "Wopisanje"
+
+msgid "Methods with arguments"
+msgstr "Metody z argumentami"
+
+msgid "Method"
+msgstr "Metoda"
+
+msgid "Arguments"
+msgstr "Argumenty"
+
+msgid "Back to Model documentation"
+msgstr "Wróćo k modelowej dokumentaciji"
+
+msgid "Model documentation"
+msgstr "Modelowa dokumentacija"
+
+msgid "Model groups"
+msgstr "Modelowe skupiny"
+
+msgid "Templates"
+msgstr "Předłohi"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Předłoha: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Předłoha: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Pytanska šćežka za předłohu <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(njeeksistuje)"
+
+msgid "Back to Documentation"
+msgstr "Wróćo k dokumentaciji"
+
+msgid "Template filters"
+msgstr "Předłohowe filtry"
+
+msgid "Template filter documentation"
+msgstr "Dokumentacija předłohowych filtrow"
+
+msgid "Built-in filters"
+msgstr "Zatwarjene filtry"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Zo byšće tute filtry wužiwał, zasadźće <code>%(code)s</code> do swojeje "
+"předłohi, prjedy hač filter wužiwaće."
+
+msgid "Template tags"
+msgstr "Předłohowe znački"
+
+msgid "Template tag documentation"
+msgstr "Dokumentacija předłohowych značkow"
+
+msgid "Built-in tags"
+msgstr "Zatwarjene znački"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Zo byšće tute znački wužiwał, zasadźće <code>%(code)s</code> do swojeje "
+"předłohi, prjedy hač značku wužiwaće."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Napohlad: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Předłohi:"
+
+msgid "Back to View documentation"
+msgstr "Wróćo k napohladowej dokumentaciji"
+
+msgid "View documentation"
+msgstr "Napohladowa dokumentacija"
+
+msgid "Jump to namespace"
+msgstr "K mjenowemu rumej skočić"
+
+msgid "Empty namespace"
+msgstr "Prózdny mjenowy rum"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Napohlady po mjenowym rumje %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Napohlady po prózdnym mjenowym rumje"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Napohladowa funkcija: <code>%(full_name)s</code>. Mjeno: <code>"
+"%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "značka:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "napohlad:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Nałoženje %(app_label)r njenamakane"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r njeje so w nałoženju %(app_label)r namakał"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "přisłušny objekt  %(app_label)s.%(data_type)s“"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "přisłušne objekty %(app_label)s.%(object_name)s“"
+
+#, python-format
+msgid "all %s"
+msgstr "wšě %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "ličba %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "zda so, zo %s objekt urlpattern njeje"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hu/LC_MESSAGES/django.mo
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index 00000000..d8a25af5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dd8727d8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,288 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016
+# Attila Nagy <>, 2012
+# Istvan Farkas <istvan.farkas@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# János R, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-02 13:45+0000\n"
+"Last-Translator: János R\n"
+"Language-Team: Hungarian (http://www.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Adminisztrációs dokumentáció"
+
+msgid "Home"
+msgstr "Kezdőlap"
+
+msgid "Documentation"
+msgstr "Dokumentáció"
+
+msgid "Bookmarklets"
+msgstr "Könyvjelzők"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentum könyvjelzők"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"A könyvjelzők felvételéhez húzza a könyvjelzők linkjét az eszköztárra, vagy "
+"kattintson rájuk jobb egérgombbal és úgy adja hozzá. Ezután már ki tudja "
+"választani a könyvjelzőt a honlap bármely oldaláról."
+
+msgid "Documentation for this page"
+msgstr "Az oldal dokumentációja"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Bármely oldalról annak a nézetnek a dokumentációjára ugrik, amely a kérdéses "
+"oldalt generálta."
+
+msgid "Tags"
+msgstr "Címkék"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+"Az összes sablon címke (template tags) és a hozzá tartozó függvények listája"
+
+msgid "Filters"
+msgstr "Szűrők"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"A szűrők olyan műveletek, amelyeket változókon végrehajtva a sablon kimenete "
+"módosul."
+
+msgid "Models"
+msgstr "Modellek"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"A modellek a rendszerben található objektumok és a hozzá tartozó mezők "
+"leírásai. Minden modell rendelkezik mezőkkel, amelyek a sablonokban "
+"változóként érhetők el."
+
+msgid "Views"
+msgstr "Nézetek"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"A honlapon minden oldalt egy nézet generál. A nézet definiálja, melyik "
+"sablonból készül az oldal, és milyen objektumok állnak az adott nézet "
+"rendelkezésére."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Segédeszközök a böngészőjébe az admin funkciók gyors eléréséhez."
+
+msgid "Please install docutils"
+msgstr "Kérem telepítse a docutils-t"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Az adminisztrációs dokumentáció működéséhez szükség van a Python <a href="
+"\"%(link)s\">docutils</a> könyvtárára."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Kérje meg a rendszergazdát, hogy telepítse a <a href=\"%(link)s\">docutils</"
+"a>-t."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "%(name)s modell"
+
+msgid "Fields"
+msgstr "Mezők"
+
+msgid "Field"
+msgstr "Mező"
+
+msgid "Type"
+msgstr "Típus"
+
+msgid "Description"
+msgstr "Leírás"
+
+msgid "Methods with arguments"
+msgstr "Metódusok és paramétereik"
+
+msgid "Method"
+msgstr "Metódus"
+
+msgid "Arguments"
+msgstr "Paraméterek"
+
+msgid "Back to Model documentation"
+msgstr "Vissza a modell dokumentációhoz"
+
+msgid "Model documentation"
+msgstr "Modell dokumentáció"
+
+msgid "Model groups"
+msgstr "Modell csoportok"
+
+msgid "Templates"
+msgstr "Sablonok"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "%(name)s sablon"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Sablon: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "<q>%(name)s</q>sablon keresési útvonala:"
+
+msgid "(does not exist)"
+msgstr "(nem létezik)"
+
+msgid "Back to Documentation"
+msgstr "Vissza a dokumentációhoz"
+
+msgid "Template filters"
+msgstr "Sablon szűrők"
+
+msgid "Template filter documentation"
+msgstr "Sablon szűrő dokumentáci"
+
+msgid "Built-in filters"
+msgstr "Beépített szűrők"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Ezen szűrők használatához a <code>%(code)s</code> kódrészletnek kell "
+"szerepelnie használat előtt a sablonban."
+
+msgid "Template tags"
+msgstr "Sablon címkék"
+
+msgid "Template tag documentation"
+msgstr "Sablon címke dokumentáció"
+
+msgid "Built-in tags"
+msgstr "Beépített címkék"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Ezen címkék használatához a <code>%(code)s</code> kódrészletnek kell "
+"szerepelnie használat előtt a sablonban."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "%(name)s nézet"
+
+msgid "Context:"
+msgstr "Környezet:"
+
+msgid "Templates:"
+msgstr "Sablonok:"
+
+msgid "Back to View documentation"
+msgstr "Vissza a nézetek dokumentációhoz"
+
+msgid "View documentation"
+msgstr "Nézet dokumentáció"
+
+msgid "Jump to namespace"
+msgstr "Ugrás a névtérhez"
+
+msgid "Empty namespace"
+msgstr "Üres névtér"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "%(name)s névtérhez tartozó nézetek"
+
+msgid "Views by empty namespace"
+msgstr "Névtér nélküli nézetek"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Nézet függvény: <code>%(full_name)s</code>. Név: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "címke:"
+
+msgid "filter:"
+msgstr "szűrő:"
+
+msgid "view:"
+msgstr "nézet:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "%(app_label)r alkalmazás nem található"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+"%(model_name)r modell nem található a következő alkalmazásban: %(app_label)r"
+
+msgid "model:"
+msgstr "modell:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "a kapcsolódó '%(app_label)s.%(data_type)s' objektum"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "kapcsolódó '%(app_label)s.%(object_name)s' objektumok"
+
+#, python-format
+msgid "all %s"
+msgstr "minden %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s mennyisége"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s nem tűnik egy urlpattern objektumnak."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5563512c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f20e8b69
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,260 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Initio"
+
+msgid "Documentation"
+msgstr "Documentation"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentation bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Documentation pro iste pagina"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Transporta vos ab omne pagina al documentation pro le visualisation que "
+"genera ille pagina."
+
+msgid "Tags"
+msgstr "Etiquettas"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Modellos"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Visualisationes"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Patronos"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "etiquetta:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "visualisation:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modello %(model_name)r non trovate in application %(app_label)r"
+
+msgid "model:"
+msgstr "modello:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "le objecto `%(app_label)s.%(data_type)s` connexe"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objectos `%(app_label)s.%(object_name)s` connexe"
+
+#, python-format
+msgid "all %s"
+msgstr "tote le %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "numero de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s non pare esser un objecto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d6d934d0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..92b70c38
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,287 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2015-2016,2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# rodin <romihardiyanto@gmail.com>, 2011-2012
+# rodin <romihardiyanto@gmail.com>, 2013-2014,2016
+# sag᠎e <laymonage@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-09-14 00:30+0000\n"
+"Last-Translator: Fery Setiawan <gembelweb@gmail.com>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr "Dokumentasi Administrasi"
+
+msgid "Home"
+msgstr "Beranda"
+
+msgid "Documentation"
+msgstr "Dokumentasi"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklet"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklet dokumentasi"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Untuk memasang bookmarklet, tarik tautan ke bilah markah, atau klik kanan "
+"tautan dan tambahkan ke markah Anda. Sekarang Anda dapat memilih bookmarklet "
+"dari semua halaman di situs."
+
+msgid "Documentation for this page"
+msgstr "Dokumentasi untuk laman ini"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Buka dari laman apa saja ke laman dokumentasi untuk view yang menghasilkan "
+"laman tersebut."
+
+msgid "Tags"
+msgstr "Tag"
+
+msgid "List of all the template tags and their functions."
+msgstr "Daftar seluruh tag templat dan fungsinya."
+
+msgid "Filters"
+msgstr "Filter"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filter merupakan tindakan yang dapat diterapkan pada variabel dalam sebuah "
+"templat untuk mengubah keluaran."
+
+msgid "Models"
+msgstr "Model"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Model merupakan deskripsi semua objek dalam sistem dan bidang yang terkait. "
+"Setiap model memiliki beberapa bidang yang dapat diakses sebagai variabel "
+"templat"
+
+msgid "Views"
+msgstr "View"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Setiap laman pada situs publik dihasilkan oleh sebuah 'view'. 'View' "
+"mendefinisikan templat mana yang digunakan untuk menghasilkan laman dan "
+"objek mana yang tersedia untuk templat tersebut."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Alat untuk peramban Anda untuk mempercepat akses fungsionalitas admin. "
+
+msgid "Please install docutils"
+msgstr "Instal docutils."
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Sistem dokumentasi admin membutuhkan pustaka <a href=\"%(link)s\">docutils</"
+"a> Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Ajukan permintaan kepada administrator Anda untuk menginstal <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Bidang"
+
+msgid "Field"
+msgstr "Bidang"
+
+msgid "Type"
+msgstr "Tipe"
+
+msgid "Description"
+msgstr "Deskripsi"
+
+msgid "Methods with arguments"
+msgstr "Metode dengan argumen"
+
+msgid "Method"
+msgstr "Metode"
+
+msgid "Arguments"
+msgstr "Argumen"
+
+msgid "Back to Model documentation"
+msgstr "Kembali ke Dokumentasi Model"
+
+msgid "Model documentation"
+msgstr "Dokumentasi model"
+
+msgid "Model groups"
+msgstr "Grup model"
+
+msgid "Templates"
+msgstr "Templat"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Templat: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Templat: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Lokasi pencarian templat <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(tidak ada)"
+
+msgid "Back to Documentation"
+msgstr "Kembali ke Dokumentasi"
+
+msgid "Template filters"
+msgstr "Filter templat"
+
+msgid "Template filter documentation"
+msgstr "Dokumentasi filter templat"
+
+msgid "Built-in filters"
+msgstr "Filter bawaan"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Untuk menggunakan filter ini, sertakan <code>%(code)s</code> pada templat "
+"Anda sebelum menggunakan filternya."
+
+msgid "Template tags"
+msgstr "Tag templat"
+
+msgid "Template tag documentation"
+msgstr "Dokumentasi tag templat"
+
+msgid "Built-in tags"
+msgstr "Tag bawaan"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Untuk menggunakan tag ini, sertakan <code>%(code)s</code> pada templat Anda "
+"sebelum menggunakan tagnya."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Konteks:"
+
+msgid "Templates:"
+msgstr "Templat:"
+
+msgid "Back to View documentation"
+msgstr "Kembali ke dokumentasi Tampilan"
+
+msgid "View documentation"
+msgstr "Dokumentasi view"
+
+msgid "Jump to namespace"
+msgstr "Loncat ke namespace"
+
+msgid "Empty namespace"
+msgstr "Namespace kosong"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "View berdasarkan namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "View berdasarkan namespace kosong"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Fungsi view: <code>%(full_name)s</code>. Nama: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplikasi %(app_label)r tidak ditemukan"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r tidak ditemukan di aplikasi %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "objek `%(app_label)s.%(data_type)s` yang terkait"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "obyek `%(app_label)s.%(object_name)s` yang terkait"
+
+#, python-format
+msgid "all %s"
+msgstr "semua %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "jumlah %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s bukan berupa objek urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4e88926d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ae4bec1f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,275 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2015-01-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/projects/p/django/language/"
+"io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr ""
+
+msgid "Documentation"
+msgstr ""
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"\n"
+"<p class=\"help\">To install bookmarklets, drag the link to your bookmarks\n"
+"toolbar, or right-click the link and add it to your bookmarks. Now you can\n"
+"select the bookmarklet from any page in the site.  Note that some of these\n"
+"bookmarklets require you to be viewing the site from a computer designated\n"
+"as \"internal\" (talk to your system administrator if you aren't sure if\n"
+"your computer is \"internal\").</p>\n"
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Show object ID"
+msgstr ""
+
+msgid ""
+"Shows the content-type and unique ID for pages that represent a single "
+"object."
+msgstr ""
+
+msgid "Edit this object (current window)"
+msgstr ""
+
+msgid "Jumps to the admin page for pages that represent a single object."
+msgstr ""
+
+msgid "Edit this object (new window)"
+msgstr ""
+
+msgid "As above, but opens the admin page in a new window."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Back to Model Documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to Views Documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "Boolean (Either True or False)"
+msgstr ""
+
+#, python-format
+msgid "Field of type: %(field_type)s"
+msgstr ""
+
+msgid "tag:"
+msgstr ""
+
+msgid "filter:"
+msgstr ""
+
+msgid "view:"
+msgstr ""
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr ""
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr ""
+
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fcc3bcd1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a70aa6ef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,261 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hafsteinn Einarsson <haffi67@gmail.com>, 2012,2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Heim"
+
+msgid "Documentation"
+msgstr "Skjölun"
+
+msgid "Bookmarklets"
+msgstr "Bókamerklar"
+
+msgid "Documentation bookmarklets"
+msgstr "Skjölunarbókamerklar"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Skjölun þessarar síðu"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Sendir þig af hvaða síðu sem er á skjölun þess framsetningarlags sem myndar "
+"hana."
+
+msgid "Tags"
+msgstr "Tögg"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Síur"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Módel"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Ásýndir"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Sniðmát"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "merki:"
+
+msgid "filter:"
+msgstr "sía:"
+
+msgid "view:"
+msgstr "skoða:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Líkanið %(model_name)r finnst ekki í forritinu %(app_label)r"
+
+msgid "model:"
+msgstr "líkan:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "tengdi `%(app_label)s.%(data_type)s` hluturinn"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "tengdir `%(app_label)s.%(object_name)s` hlutir"
+
+#, python-format
+msgid "all %s"
+msgstr "allt %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "fjöldi af %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s virðist ekki vera urlpattern hlutur"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4bf8985b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/it/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e2c43bd9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,289 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Flavio Curella <flavio.curella@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luciano De Falco Alfano, 2016
+# Marco Bonetti, 2014
+# palmux <palmux@gmail.com>, 2015-2016,2019,2021
+# Stefano Brentegani <sbrentegani@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 16:05+0000\n"
+"Last-Translator: palmux <palmux@gmail.com>\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentazione Amministrativa"
+
+msgid "Home"
+msgstr "Pagina iniziale"
+
+msgid "Documentation"
+msgstr "Documentazione"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklet"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklet alla documentazione"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Per installare i bookmarklets, trascina il link sulla barra dei segnalibri o "
+"clicca col tasto desto sul link ed aggiungilo ai tuoi segnalibri. Ora potrai "
+"selezione un bookmarklet da ogni pagina del sito."
+
+msgid "Documentation for this page"
+msgstr "Documentazione per questa pagina"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Porta da qualsiasi pagina alla documentazione della view che genera quella "
+"pagina."
+
+msgid "Tags"
+msgstr "Tag"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista di tutti i template tags e delle loro funzioni."
+
+msgid "Filters"
+msgstr "Filtri"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"I Filtri sono azioni che possono essere applicate alle variabili all'interno "
+"di un Template per alterarne l'output."
+
+msgid "Models"
+msgstr "Modelli"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"I Modelli sono descrizioni di tutti gli oggetti nel sistema e dei campi ad "
+"essi associati. Ogni modello ha una lista di campi accessibili come "
+"variabili nel template."
+
+msgid "Views"
+msgstr "View"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Ogni pagina sul sito pubblico è generata da una View. La View definisce "
+"quale Template è usato per generare la pagina e quali oggetti sono "
+"disponibili in quel Template."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Strumenti per il tuo browser per accedere velocemente a funzionalità "
+"dell'admin."
+
+msgid "Please install docutils"
+msgstr "Installa docutils, per favore"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Il sistema di documentazione dell'admin richiede la libreria Python <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Chiedi ai tuoi amministratori di installare <a href=\"%(link)s\">docutils</"
+"a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Campi"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descrizione"
+
+msgid "Methods with arguments"
+msgstr "Metodi con argomenti"
+
+msgid "Method"
+msgstr "Metodo"
+
+msgid "Arguments"
+msgstr "Argomenti"
+
+msgid "Back to Model documentation"
+msgstr "Torna alla documentzione del Model"
+
+msgid "Model documentation"
+msgstr "Documentazione Modello"
+
+msgid "Model groups"
+msgstr "Gruppi del Model"
+
+msgid "Templates"
+msgstr "Template"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Template: \"%(name)s\""
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Template: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Percorso di ricerca per il template <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(non esiste)"
+
+msgid "Back to Documentation"
+msgstr "Torna alla Documentazione"
+
+msgid "Template filters"
+msgstr "Filtri Template"
+
+msgid "Template filter documentation"
+msgstr "Documentazione del filtro template"
+
+msgid "Built-in filters"
+msgstr "Filtri inclusi"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Per usare questi filtri, inserisci <code>%(code)s</code> nel tuo template "
+"prima di usare il filtro."
+
+msgid "Template tags"
+msgstr "Tag Template"
+
+msgid "Template tag documentation"
+msgstr "Documentazione del Tag Template"
+
+msgid "Built-in tags"
+msgstr "Tag inclusi"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Per usare questi tag, inserisci <code>%(code)s</code> nel tuo template prima "
+"di usare il tag."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Contesto:"
+
+msgid "Templates:"
+msgstr "Template:"
+
+msgid "Back to View documentation"
+msgstr "Torna alla documentazione della View"
+
+msgid "View documentation"
+msgstr "Documentazione View"
+
+msgid "Jump to namespace"
+msgstr "Vai al namespace"
+
+msgid "Empty namespace"
+msgstr "Namespace vuoto"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views per il namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views per il namespace vuoto"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Funzione di View: <code>%(full_name)s</code>. Nome: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "App %(app_label)r non trovata"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modello %(model_name)r non trovato nell'app %(app_label)r"
+
+msgid "model:"
+msgstr "modello:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "l'oggetto `%(app_label)s.%(data_type)s` collegato"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "oggetti `%(app_label)s.%(object_name)s` collegati"
+
+#, python-format
+msgid "all %s"
+msgstr "tutti %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "numero di %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s non sembra essere un oggetto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..edac83ed
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..54d9c995
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,284 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fandekasp <lemaire.adrien@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Shinya Okano <tokibito@gmail.com>, 2013-2016
+# Takuya N <takninnovationresearch@gmail.com>, 2020
+# Tsuboi Yuto <y_tsuboi@ga-tech.co.jp>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-05-09 04:02+0000\n"
+"Last-Translator: Tsuboi Yuto <y_tsuboi@ga-tech.co.jp>\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr "管理用ドキュメント"
+
+msgid "Home"
+msgstr "ホーム"
+
+msgid "Documentation"
+msgstr "ドキュメント"
+
+msgid "Bookmarklets"
+msgstr "ブックマークレット"
+
+msgid "Documentation bookmarklets"
+msgstr "ドキュメントへのブックマークレット"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"ブックマークレットをインストールするには、リンクをブックマークツールバーにド"
+"ラッグするか、 リンクを右クリックしてブックマークに追加してください。これでサ"
+"イトのどのページからでもブックマークレットを選択可能になります。"
+
+msgid "Documentation for this page"
+msgstr "このページのドキュメント"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "各ページから、ページを生成したビューのドキュメントにジャンプします。"
+
+msgid "Tags"
+msgstr "タグ"
+
+msgid "List of all the template tags and their functions."
+msgstr "すべてのテンプレートタグとその機能の一覧です。"
+
+msgid "Filters"
+msgstr "フィルター"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"フィルタは、テンプレート内の変数に適用して出力を変更するためのアクションで"
+"す。"
+
+msgid "Models"
+msgstr "モデル"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"モデルは、すべてのシステム内のオブジェクトとそれに関連するフィールドの説明で"
+"す。各モデルは、テンプレート変数としてアクセスできるフィールドのリストを持っ"
+"ています。"
+
+msgid "Views"
+msgstr "ビュー"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"公開サイトの各ページは、ビューによって生成されます。ビューは、ページの生成に"
+"使用されるテンプレートとそのテンプレートで利用できるオブジェクトが定義されて"
+"います。"
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "ブラウザから管理機能にすぐにアクセスするためのツールです。"
+
+msgid "Please install docutils"
+msgstr "docutilsをインストールして下さい"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"管理用ドキュメントシステムにはPythonの<a href=\"%(link)s\">docutils</a>ライブ"
+"ラリが必要です。"
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"管理者に <a href=\"%(link)s\">docutils</a> のインストールについて問い合せて下"
+"さい。"
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "モデル: %(name)s"
+
+msgid "Fields"
+msgstr "フィールド"
+
+msgid "Field"
+msgstr "フィールド"
+
+msgid "Type"
+msgstr "型"
+
+msgid "Description"
+msgstr "説明"
+
+msgid "Methods with arguments"
+msgstr "メソッドと引数"
+
+msgid "Method"
+msgstr "メソッド"
+
+msgid "Arguments"
+msgstr "引数"
+
+msgid "Back to Model documentation"
+msgstr "モデルドキュメントに戻る"
+
+msgid "Model documentation"
+msgstr "モデルドキュメント"
+
+msgid "Model groups"
+msgstr "モデルグループ"
+
+msgid "Templates"
+msgstr "テンプレート"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "テンプレート: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "テンプレート: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "テンプレートの検索パス <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(存在しません)"
+
+msgid "Back to Documentation"
+msgstr "ドキュメントに戻る"
+
+msgid "Template filters"
+msgstr "テンプレートフィルタ"
+
+msgid "Template filter documentation"
+msgstr "テンプレートフィルタドキュメント"
+
+msgid "Built-in filters"
+msgstr "組み込みフィルタ"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"これらのフィルタを使用するには、テンプレート内でのフィルタの使用箇所より前に "
+"<code>%(code)s</code> を記述してください。"
+
+msgid "Template tags"
+msgstr "テンプレートタグ"
+
+msgid "Template tag documentation"
+msgstr "テンプレートタグドキュメント"
+
+msgid "Built-in tags"
+msgstr "組み込みタグ"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"これらのタグを使用するためには、タグの使用箇所より前に <code>%(code)s</code> "
+"をテンプレート内に記述します。"
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "ビュー: %(name)s"
+
+msgid "Context:"
+msgstr "コンテキスト:"
+
+msgid "Templates:"
+msgstr "テンプレート:"
+
+msgid "Back to View documentation"
+msgstr "ビュードキュメントに戻る"
+
+msgid "View documentation"
+msgstr "ビュードキュメント"
+
+msgid "Jump to namespace"
+msgstr "ネームスペースへ移動"
+
+msgid "Empty namespace"
+msgstr "空のネームスペース"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "ネームスペース %(name)s のビュー"
+
+msgid "Views by empty namespace"
+msgstr "空のネームスペースのよるビュー"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"ビュー関数: <code>%(full_name)s</code>. 名前: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "タグ"
+
+msgid "filter:"
+msgstr "フィルター"
+
+msgid "view:"
+msgstr "ビュー"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "アプリケーション %(app_label)r が見つかりません"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+"モデル %(model_name)r が %(app_label)r アプリケーションに見つかりません"
+
+msgid "model:"
+msgstr "モデル :"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "`%(app_label)s.%(data_type)s` (関連オブジェクト)"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "`%(app_label)s.%(object_name)s` (関連オブジェクト)"
+
+#, python-format
+msgid "all %s"
+msgstr "全ての %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s の数"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s はurlpatternオブジェクトでは無いようです"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9b8e30ed
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7d2e0f37
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,263 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2013,2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Administrative Documentation"
+msgstr "ადმინისტრირების დოკუმენტაცია"
+
+msgid "Home"
+msgstr "საწყისი გვერდი"
+
+msgid "Documentation"
+msgstr "დოკუმენტაცია"
+
+msgid "Bookmarklets"
+msgstr "სანიშნები"
+
+msgid "Documentation bookmarklets"
+msgstr "დოკუმენტაციის სანიშნები"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "ამ გვერდის დოკუმენტაცია"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"გადასვლა ნებისმიერი გვერდიდან იმ წარმოდგენის დოკუმენტაციაზე, რომელიც ამ "
+"გვერდს აგენერირებს."
+
+msgid "Tags"
+msgstr "ტეგები"
+
+msgid "List of all the template tags and their functions."
+msgstr "ყველა შაბლონის ტეგის სია და მათი ფუნქციები."
+
+msgid "Filters"
+msgstr "ფილტრები"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"ფილტრები მოქმედებებია, რომელებიც შეიძლება გამოიყენებოდეს ცვლადებზე შაბლონში "
+"გამონატანის შესაცვლელად."
+
+msgid "Models"
+msgstr "მოდელები"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "წარმოდგენები"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr "გთხოვთ, დააყენოთ docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "მოდელი: %(name)s"
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr "ველი"
+
+msgid "Type"
+msgstr "ტიპი"
+
+msgid "Description"
+msgstr "აღწერა"
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr "მოდელის დოკუმენტაცია"
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "შაბლონები"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "შაბლონი: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "შაბლონი: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr "(არ არსებობს)"
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr "შაბლონის ფილტრები"
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr "შაბლონის ტეგები"
+
+msgid "Template tag documentation"
+msgstr "შაბლონის ტეგების დოკუმენტაცია"
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "ხედი: %(name)s"
+
+msgid "Context:"
+msgstr "კონტექსტი"
+
+msgid "Templates:"
+msgstr "შაბლონები:"
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr "ხედების დოკუმენტაცია"
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ტეგი:"
+
+msgid "filter:"
+msgstr "ფილტრი:"
+
+msgid "view:"
+msgstr "წარმოდგენა:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "მოდელი %(model_name)r ვერ მოიძებნა აპლიკაციაში %(app_label)r"
+
+msgid "model:"
+msgstr "მოდელი:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "`%(app_label)s.%(data_type)s` დაკავშირებული ობიექტი"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "`%(app_label)s.%(object_name)s` დაკავშირებული ობიექტები"
+
+#, python-format
+msgid "all %s"
+msgstr "ყველა %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s - რაოდენობა"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s არ არის urlpattern-ის შესაბამისი ობიექტი"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kab/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kab/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2b4eb430
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kab/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kab/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kab/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f404ac25
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kab/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Muḥend Belqasem <belkacem77@gmail.com>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-10-06 12:00+0000\n"
+"Last-Translator: Muḥend Belqasem <belkacem77@gmail.com>\n"
+"Language-Team: Kabyle (http://www.transifex.com/django/django/language/"
+"kab/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kab\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Agejdan"
+
+msgid "Documentation"
+msgstr "Tasemlit"
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Tags"
+msgstr "Tiṛekkizin"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Imzizdigen"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Timeẓriyin"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr "Urtan"
+
+msgid "Field"
+msgstr "Urti"
+
+msgid "Type"
+msgstr "Tawsit"
+
+msgid "Description"
+msgstr "Aglam"
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr "Tarrayt"
+
+msgid "Arguments"
+msgstr "Tiɣira"
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Tineɣrufin"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr "(ula- it)"
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr "Asatal:"
+
+msgid "Templates:"
+msgstr "Tineɣrufin:"
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr "Sken tasemlit"
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "tabzimt:"
+
+msgid "filter:"
+msgstr "imzizdig:"
+
+msgid "view:"
+msgstr "wali:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr "Taneɣruft"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr "akk %s"
+
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..050a2892
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1b33c368
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Nurlan Rakhimzhanov <nurlan.rakhimzhanov@gmail.com>, 2011
+# yun_man_ger <germanilyin@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Негізгі"
+
+msgid "Documentation"
+msgstr "Документация"
+
+msgid "Bookmarklets"
+msgstr "Букмарклеттер"
+
+msgid "Documentation bookmarklets"
+msgstr "Құжаттама букмарклеттері"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Бұл бетке арналған документация"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "тег:"
+
+msgid "filter:"
+msgstr "сүзгіш:"
+
+msgid "view:"
+msgstr "көрініс:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(app_label)r app ішінен %(model_name)r үлгісі табылмады"
+
+msgid "model:"
+msgstr "модель:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "байланысты `%(app_label)s.%(data_type)s` объект"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "байланысты `%(app_label)s.%(object_name)s` объекттер"
+
+#, python-format
+msgid "all %s"
+msgstr "барлық %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s саны"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s  urlpattern объектке ұқсамайды"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8440d726
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f6064252
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,259 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/django/django/language/km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "គេហទំព័រ"
+
+msgid "Documentation"
+msgstr "ឯកសារ"
+
+msgid "Bookmarklets"
+msgstr "កំរងចំណាំ"
+
+msgid "Documentation bookmarklets"
+msgstr "កំរងចំណាំអំពីឯកសារ"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "ឯកសារសំរាប់ទំព័រនេះ"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ប្រភេទ:"
+
+msgid "filter:"
+msgstr "ពាក្យស្វែងរក"
+
+msgid "view:"
+msgstr "មើល"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr "ទាំងអស់ %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "ចំនួន​នៃ​%s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ហាក់បីដូចជា URL ដែល​ត្រឹមត្រូវទេ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1c112d53
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7d674362
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,259 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kannada (http://www.transifex.com/django/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "ಪ್ರಾರಂಭಸ್ಥಳ(ಮನೆ)"
+
+msgid "Documentation"
+msgstr "ವಿವರಮಾಹಿತಿ"
+
+msgid "Bookmarklets"
+msgstr "ಚಿಕ್ಕ ಪುಟಗುರುತುಗಳು"
+
+msgid "Documentation bookmarklets"
+msgstr "ಮಾಹಿತಿಯ ಚಿಕ್ಕ ಪುಟಗುರುತುಗಳು"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "ಈ ಪುಟದ ಬಗೆಗಿನ ಮಾಹಿತಿ"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"ನಿಮ್ಮನ್ನು ಯಾವುದೇ ಪುಟದಿಂದ ಆ ಪುಟವನ್ನು ಸೃಷ್ಟಿಸುವ ನೋಟದ ಮಾಹಿತಿಪುಟಕ್ಕೆ ಕೊಂಡೊಯ್ಯುವದು"
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ಟ್ಯಾಗ್:"
+
+msgid "filter:"
+msgstr "ಸೋಸಕ:"
+
+msgid "view:"
+msgstr "ನೋಟ:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr "ಮಾಡೆಲ್:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr "ಎಲ್ಲಾ %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s ಗಳ ಸಂಖ್ಯೆ"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s  URL ಸ್ವರೂಪದ್ದಾಗಿ ತೋರುವದಿಲ್ಲ."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..31856703
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ko/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7466f0fb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,280 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jiyoon, Ha <cryptography@konkuk.ac.kr>, 2016
+# 코딩 영, 2021
+# Geonho Kim / Leo Kim <gh.leokim@gmail.com>, 2019
+# Ian Y. Choi <ianyrchoi@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Le Tartuffe <magno79@gmail.com>, 2014,2016
+# Kagami Sascha Rosylight <saschanaz@outlook.com>, 2017
+# 이지현 <wlgus5781@gmail.com>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-10 02:10+0000\n"
+"Last-Translator: 코딩 영\n"
+"Language-Team: Korean (http://www.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr "관리 문서"
+
+msgid "Home"
+msgstr "홈"
+
+msgid "Documentation"
+msgstr "문서"
+
+msgid "Bookmarklets"
+msgstr "북마크릿"
+
+msgid "Documentation bookmarklets"
+msgstr "문서 북마크릿"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"북마크릿을 설치하시려면 링크를 북마크 툴바로 드래그 하거나, 오른쪽 클릭으로 "
+"해당 링크를 북마크에 추가하세요. 이제 사이트 내의 모든 페이지에서 북마크릿 선"
+"택이 가능합니다."
+
+msgid "Documentation for this page"
+msgstr "이 페이지의 문서"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "각 페이지로에서 해당 페이지를 생성한 뷰의 문서로 갑니다."
+
+msgid "Tags"
+msgstr "태그"
+
+msgid "List of all the template tags and their functions."
+msgstr "모든 템플릿 태그와 함수의 목록"
+
+msgid "Filters"
+msgstr "필터"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr "필터는 템플릿의 변수에 적용되어 출력을 바꿀 수 있는 동작입니다."
+
+msgid "Models"
+msgstr "모델"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"모델은 모든 시스템에서 개체와 연관된 필드에 대한 설명입니다. 각 모델은 템플"
+"릿 변수로 접근 할 수 있는 필드의 목록을 가지고 있습니다."
+
+msgid "Views"
+msgstr "뷰"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"일반 사이트의 각 페이지는 뷰에 의해 생성됩니다. 뷰는 페이지를 생성하는데 사용"
+"되는 템플릿과 그 템플릿을 사용할 수 있게해주는 개체를 정의합니다."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "브라우저 도구는 신속하게 관리자 기능에 접근 할 수 있습니다."
+
+msgid "Please install docutils"
+msgstr "docutils를 설치해주세요."
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"관리자 문서 시스템은 파이썬의  <a href=\"%(link)s\">docutils</a> 라이브러리"
+"를 필요로 합니다."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "관리자에게 <a href=\"%(link)s\">docutils</a> 설치를 요청해주세요."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "필드"
+
+msgid "Field"
+msgstr "필드"
+
+msgid "Type"
+msgstr "타입"
+
+msgid "Description"
+msgstr "설명"
+
+msgid "Methods with arguments"
+msgstr "아규먼트를 포함한 메소드"
+
+msgid "Method"
+msgstr "메소드"
+
+msgid "Arguments"
+msgstr "아규먼트"
+
+msgid "Back to Model documentation"
+msgstr "모델문서로 돌아가기"
+
+msgid "Model documentation"
+msgstr "모델 문서"
+
+msgid "Model groups"
+msgstr "모델 그룹"
+
+msgid "Templates"
+msgstr "템플릿"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "템플릿 : %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "템플릿: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "템플릿<q>%(name)s</q>에 대한 검색 경로:"
+
+msgid "(does not exist)"
+msgstr "(존재하지 않습니다)"
+
+msgid "Back to Documentation"
+msgstr "문서로 "
+
+msgid "Template filters"
+msgstr "템플릿 필터"
+
+msgid "Template filter documentation"
+msgstr "템플릿 필터 문서"
+
+msgid "Built-in filters"
+msgstr "내장 필터"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"이 필터를 사용하기 위해서는 필터를 사용하기 전에  템플릿에 <코드>%(code)s</코"
+"드> 를 입력하세요."
+
+msgid "Template tags"
+msgstr "템플릿 태그"
+
+msgid "Template tag documentation"
+msgstr "템플릿 태그 문서"
+
+msgid "Built-in tags"
+msgstr "내장 태그"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"이 태그를 사용하기 위해서는 태그를 사용하기 전에 템플릿에 <code>%(code)s</"
+"code> 를 입력하세요."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "뷰: %(name)s"
+
+msgid "Context:"
+msgstr "컨텍스트 :"
+
+msgid "Templates:"
+msgstr "템플릿 :"
+
+msgid "Back to View documentation"
+msgstr "뷰 문서로 돌아가기"
+
+msgid "View documentation"
+msgstr "뷰 문서"
+
+msgid "Jump to namespace"
+msgstr "네임스페이스로"
+
+msgid "Empty namespace"
+msgstr "빈 네임스페이스"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "%(name)s 네임스페이스 뷰"
+
+msgid "Views by empty namespace"
+msgstr "빈 네임스페이스 뷰"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"뷰 함수: <code>%(full_name)s</code>. Name: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "태그:"
+
+msgid "filter:"
+msgstr "필터:"
+
+msgid "view:"
+msgstr "뷰:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "애플리케이션 %(app_label)r 을 찾을 수 없습니다."
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+"모델 %(model_name)r 을 애플리케이션 %(app_label)r 에서 찾을 수 없습니다."
+
+msgid "model:"
+msgstr "모델:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "`%(app_label)s.%(data_type)s` 관련된 개체"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "`%(app_label)s.%(object_name)s` 관련된 개체들"
+
+#, python-format
+msgid "all %s"
+msgstr "모든 %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s 의 수"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s 은/는 url 패턴의 개체가 아닙니다."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..de83cd3d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ae974b63
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,281 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020-2021
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-02 11:59+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr "Башкармалык түшүндүрмөсү"
+
+msgid "Home"
+msgstr "Башкы"
+
+msgid "Documentation"
+msgstr "Түшүндүрмө"
+
+msgid "Bookmarklets"
+msgstr "Букмарклеттер"
+
+msgid "Documentation bookmarklets"
+msgstr "букмарклет түшүндүрмөсү"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Букмарклетти орнотуу үчүн шилтемени кыстырмалар панелине сүйрөңүз же "
+"шилтемени оң чыкылдатып андан соң кыстырмаларыңызга кошуп алыңыз. Азыр "
+"букмарклетти сайттын бүт бетинен тандап алсаңыз болот."
+
+msgid "Documentation for this page"
+msgstr "Бул барактын түшүндүрмөсү"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Бул баракты жараткан көрүнүш үчүн сиз каалаган барактагы түшүндүрмөдөн "
+"секирип өтүңүз."
+
+msgid "Tags"
+msgstr "Тегдер"
+
+msgid "List of all the template tags and their functions."
+msgstr "Бүт калып тегдердин жана алардын кызматынын тизмеси"
+
+msgid "Filters"
+msgstr "Чыпкалар"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Чыпкалар чыгуучу агымды өзгөртүү үчүн калыптагы өзгөрмөгө жасалуучу аракет "
+"болуп саналат."
+
+msgid "Models"
+msgstr "Моделдер"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Моделдер системдеги бүт обекттер жана алардын талаалардын ачыкталышы. Ар бир "
+"модел өзүнө талааларды камтыйт. Алар өз учурунда калыптуу өзгөрмөлөр катары "
+"жетүүнү камсыз кылат."
+
+msgid "Views"
+msgstr "Көрүнүштөр"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Ачык саттагы ар бир барак көрүнүш аркылуу чыгарылган. Көрүнүш баракты "
+"чыгаруу үчүн кайсы калып колдонууларын жана кайсы обекттер жеткиликтүү "
+"экендигин аныктайт."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Браузер үчүн башкаруу кызматына тез жетүү үчүн куралдар."
+
+msgid "Please install docutils"
+msgstr "түшүндүрмө утилитасын орнотуңуз."
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Башкармалыктын түшүндүрмө системи Питондун <a href=\"%(link)s\">docutils</a> "
+"китепканасын талап кылат.   "
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Башкаруучудан <a href=\"%(link)s\">түшүндүрмө утилитасын</a>орнотууну "
+"сураңыз."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Модел: %(name)s"
+
+msgid "Fields"
+msgstr "Талаалар"
+
+msgid "Field"
+msgstr "Талаа"
+
+msgid "Type"
+msgstr "Тип"
+
+msgid "Description"
+msgstr "Ачыктоо"
+
+msgid "Methods with arguments"
+msgstr "аргументүү ыкма"
+
+msgid "Method"
+msgstr "Ыкма"
+
+msgid "Arguments"
+msgstr "Аргумент"
+
+msgid "Back to Model documentation"
+msgstr "Модел түшүндүрмөсүнө кайт"
+
+msgid "Model documentation"
+msgstr "Модел түшүндүрмөсү"
+
+msgid "Model groups"
+msgstr "Модел тайпасы"
+
+msgid "Templates"
+msgstr "Калыптар"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Калып: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Калып: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "<q>%(name)s</q>калыбы үчүн жолду издөө:"
+
+msgid "(does not exist)"
+msgstr "(табылган жок)"
+
+msgid "Back to Documentation"
+msgstr "Түшүндүрмөгө кайт"
+
+msgid "Template filters"
+msgstr "Калып чыпкалары"
+
+msgid "Template filter documentation"
+msgstr "Калып чыпкалары түшүндүрмөсү"
+
+msgid "Built-in filters"
+msgstr "Бар чыпкалар"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Бул чыпкаларды колдонуудан мурда калыбыңызга <code>%(code)s</code>коюңуз."
+
+msgid "Template tags"
+msgstr "Калып тегдер"
+
+msgid "Template tag documentation"
+msgstr "Калып тегдер түшүндүрмөсү"
+
+msgid "Built-in tags"
+msgstr "Мурдатан бар тегдер"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Тегдерди колдонуш үчүн:  тегди колдонуудан мурда калыбыңызга<code>%(code)s</"
+"code>коюңуз."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Көрүнүш: %(name)s"
+
+msgid "Context:"
+msgstr "Мазмун:"
+
+msgid "Templates:"
+msgstr "Калыптар:"
+
+msgid "Back to View documentation"
+msgstr "Көрүнүш түшүндүрмөсүнө кайт"
+
+msgid "View documentation"
+msgstr "Көрүнүш түшүндүрмөсү"
+
+msgid "Jump to namespace"
+msgstr "ысым мейкиндигине өтүү"
+
+msgid "Empty namespace"
+msgstr "бош ысым мейкиндиги"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "%(name)sысым мейкиндиги боюнча көрүү"
+
+msgid "Views by empty namespace"
+msgstr "бош ысым мейкиндиги боюнча көрүү"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Көрүнүш функциасы: <code>%(full_name)s</code>.Аты:<code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "тег:"
+
+msgid "filter:"
+msgstr "чыпка:"
+
+msgid "view:"
+msgstr "көрүнүш:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "%(app_label)r колдонмосу табылган жок"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(app_label)r колдонмосунда %(model_name)r модели табылбады"
+
+msgid "model:"
+msgstr "модел:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "байланышкан `%(app_label)s.%(data_type)s` обектиси"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "байланышкан `%(app_label)s.%(object_name)s` обекттери"
+
+#, python-format
+msgid "all %s"
+msgstr "Бүт %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s саны"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s урлкалып обектисине тиешеси жок"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b5507d4a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..26d571b3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,275 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2015-01-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr ""
+
+msgid "Documentation"
+msgstr ""
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"\n"
+"<p class=\"help\">To install bookmarklets, drag the link to your bookmarks\n"
+"toolbar, or right-click the link and add it to your bookmarks. Now you can\n"
+"select the bookmarklet from any page in the site.  Note that some of these\n"
+"bookmarklets require you to be viewing the site from a computer designated\n"
+"as \"internal\" (talk to your system administrator if you aren't sure if\n"
+"your computer is \"internal\").</p>\n"
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Show object ID"
+msgstr ""
+
+msgid ""
+"Shows the content-type and unique ID for pages that represent a single "
+"object."
+msgstr ""
+
+msgid "Edit this object (current window)"
+msgstr ""
+
+msgid "Jumps to the admin page for pages that represent a single object."
+msgstr ""
+
+msgid "Edit this object (new window)"
+msgstr ""
+
+msgid "As above, but opens the admin page in a new window."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Back to Model Documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to Views Documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "Boolean (Either True or False)"
+msgstr ""
+
+#, python-format
+msgid "Field of type: %(field_type)s"
+msgstr ""
+
+msgid "tag:"
+msgstr ""
+
+msgid "filter:"
+msgstr ""
+
+msgid "view:"
+msgstr ""
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr ""
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr ""
+
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e4e21726
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1d392c8a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,290 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kostas <tamosiunas@gmail.com>, 2014
+# lauris <lauris@runbox.com>, 2011
+# Matas Dailyda <matas@dailyda.com>, 2015-2016
+# Povilas Balzaravičius <pavvka@gmail.com>, 2014
+# Simonas Kazlauskas <simonas@kazlauskas.me>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administravimo dokumentacija"
+
+msgid "Home"
+msgstr "Pradinis"
+
+msgid "Documentation"
+msgstr "Dokumentacija"
+
+msgid "Bookmarklets"
+msgstr "Greitosios žymės"
+
+msgid "Documentation bookmarklets"
+msgstr "Doumentacijos greitosios žymės"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Greitųjų žymių įdiegimui, nutempkite nuorodą į greitųjų žymių juostą, arba "
+"spauskite dešinį pelės klavišą ir pridėkite prie greitųjų žymių. Dabar "
+"galite pasirinkti greitąją žymę iš bet kurio tinklalapio puslapio."
+
+msgid "Documentation for this page"
+msgstr "Šio puslapio dokumentacija"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Pereina iš bet kurio puslapio į jo view funkcijos dokumentaciją, kuri "
+"sukūria tą puslapį"
+
+msgid "Tags"
+msgstr "Žymenos"
+
+msgid "List of all the template tags and their functions."
+msgstr "Sąrašas visų šablono žymenų ir jų funkcijų."
+
+msgid "Filters"
+msgstr "Filtrai"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtrai yra veiksmai, kurie gali būti pritaikyti šablono kintamiesiems, kad "
+"pakeisti jų išvestį."
+
+msgid "Models"
+msgstr "Modeliai"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeliai yra visų sistemos objektų ir su jais susijusių laukų apibūdinimai. "
+"Kiekvienas modelis turi sąrašą laukų, kuriuos galima pasiekti kaip šablono "
+"kintamuosius."
+
+msgid "Views"
+msgstr "Rodiniai"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Kiekvienas puslapis viešame tinklalapyje sugeneruojamas pagal rodmenis. "
+"Rodmuo apibūdina kuris šablonas yra naudojamas generuojant puslapį ir kurie "
+"objektai yra suteikiami tam šablonui."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Įrankiai Jūsų naršyklėi, kad greitai pasiektumėte administravimo "
+"funkcionalumą."
+
+msgid "Please install docutils"
+msgstr "Įdiekite docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Administravimo dokumentacijos sistema reikalauja Python'o bibliotekos <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Prašykite kad administratorius įdiegtų <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelis: %(name)s"
+
+msgid "Fields"
+msgstr "Laukai"
+
+msgid "Field"
+msgstr "Laukas"
+
+msgid "Type"
+msgstr "Tipas"
+
+msgid "Description"
+msgstr "Aprašymas"
+
+msgid "Methods with arguments"
+msgstr "Metodai su argumentais"
+
+msgid "Method"
+msgstr "Metodas"
+
+msgid "Arguments"
+msgstr "Argumentai"
+
+msgid "Back to Model documentation"
+msgstr "Grįžti į modelio dokumentaciją"
+
+msgid "Model documentation"
+msgstr "Modelio dokumentacija"
+
+msgid "Model groups"
+msgstr "Modelio grupės"
+
+msgid "Templates"
+msgstr "Šablonai"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Šablonas: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Šablonas: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "Ieškoti kelio šablonui \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(neegzistuoja)"
+
+msgid "Back to Documentation"
+msgstr "Grįžti į dokumentacija"
+
+msgid "Template filters"
+msgstr "Šablono filtrai"
+
+msgid "Template filter documentation"
+msgstr "Šablono filtro dokumentacija"
+
+msgid "Built-in filters"
+msgstr "Standartiniai filtrai"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Kad panaudoti šiuos filtrus, prieš naudojant filtrą šablone įveskite <code>"
+"%(code)s</code>."
+
+msgid "Template tags"
+msgstr "Šablono žymenos"
+
+msgid "Template tag documentation"
+msgstr "Šablono žymenos dokumentacija"
+
+msgid "Built-in tags"
+msgstr "Standartinės žymenos"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Kad panaudoti šias žymenas, prieš naudojant žymeną šablone įveskite <code>"
+"%(code)s</code>."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Rodinys: %(name)s"
+
+msgid "Context:"
+msgstr "Konstekstas:"
+
+msgid "Templates:"
+msgstr "Šablonai:"
+
+msgid "Back to View documentation"
+msgstr "Grįžti į rodinio dokumentaciją"
+
+msgid "View documentation"
+msgstr "Žiūrėti dokumentaciją"
+
+msgid "Jump to namespace"
+msgstr "Eiti į vardų plotmę"
+
+msgid "Empty namespace"
+msgstr "Tuščia vardų plotmė"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Rodiniai pagal vardų plotmes %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Rodiniai pagal tuščias vardų plotmes."
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Rodinio funkcija: <code>%(full_name)s</code>. Pavadinimas: <code>"
+"%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "žymė:"
+
+msgid "filter:"
+msgstr "filtras:"
+
+msgid "view:"
+msgstr "vaizdas:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "%(app_label)r aplikacija nerasta"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelis %(model_name)r programoje %(app_label)r nerastas"
+
+msgid "model:"
+msgstr "modelis:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "susijęs `%(app_label)s.%(data_type)s` objektas"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "susiję`%(app_label)s.%(object_name)s` objektai"
+
+#, python-format
+msgid "all %s"
+msgstr "visi %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s skaičius"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s neatrodo kaip urlpattern objektas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d2ef159e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b153b4dd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,284 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# NullIsNot0 <nullisnot0@inbox.lv>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Māris Nartišs <maris.gis@gmail.com>, 2016
+# NullIsNot0 <nullisnot0@inbox.lv>, 2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-25 22:44+0000\n"
+"Last-Translator: NullIsNot0 <nullisnot0@inbox.lv>\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administrācijas dokumentācija"
+
+msgid "Home"
+msgstr "Sākums"
+
+msgid "Documentation"
+msgstr "Dokumentācija"
+
+msgid "Bookmarklets"
+msgstr "Grāmatzīmes"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentācijas grāmatzīmes"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Lai instalētu bukmarkletu, velciet saiti uz grāmatzīmju rīkjoslu, vai ar "
+"peles labo pogu noklikšķiniet uz saites un pievienojiet to savām "
+"grāmatzīmēm. Tagad jūs varat izvēlēties bukmarkletu no jebkuras vietnes "
+"lapas."
+
+msgid "Documentation for this page"
+msgstr "Dokumentācija šai lapai"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Pārvieto no jebkuras lapas uz tā skata dokumentāciju, kas ģenerē šo lapu."
+
+msgid "Tags"
+msgstr "Tagi"
+
+msgid "List of all the template tags and their functions."
+msgstr "Visu šablonu tagu un to funkciju saraksts."
+
+msgid "Filters"
+msgstr "Filtri"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtri ir darbības, kuras var tikt pielietotas šablona mainīgajiem, lai "
+"mainītu izvades rezultātu."
+
+msgid "Models"
+msgstr "Modeļi"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeļi ir visu sistēmas objektu un to saistīto lauku apraksti. Katram "
+"modelim ir saraksts ar laukiem, kuriem var piekļūt kā šablonu mainīgajiem"
+
+msgid "Views"
+msgstr "Skati"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Katru lapu publiskajā vietnē ģenerē skats. Skats nosaka, kuru šablonu "
+"izmanto lapas ģenerēšanai un kādi objekti ir pieejami šim šablonam."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Rīki Jūsu pārlūkprogrammai, lai ātri piekļūtu administratora "
+"funkcionalitātei."
+
+msgid "Please install docutils"
+msgstr "Lūdzu instalējiet 'docutils'"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Administratora dokumentācijas sistēmai ir nepieciešama Python <a href="
+"\"%(link)s\">docutils</a> bibliotēka."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "Palūdziet administratoram instalēt <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modelis: %(name)s"
+
+msgid "Fields"
+msgstr "Lauki"
+
+msgid "Field"
+msgstr "Lauks"
+
+msgid "Type"
+msgstr "Tips"
+
+msgid "Description"
+msgstr "Apraksts"
+
+msgid "Methods with arguments"
+msgstr "Metodes ar parametriem"
+
+msgid "Method"
+msgstr "Metode"
+
+msgid "Arguments"
+msgstr "Parametrs"
+
+msgid "Back to Model documentation"
+msgstr "Atpakaļ uz Modeļu dokumentāciju"
+
+msgid "Model documentation"
+msgstr "Modeļu dokumentācija"
+
+msgid "Model groups"
+msgstr "Modeļu grupas"
+
+msgid "Templates"
+msgstr "Šabloni"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Šablons: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Šablons: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Šablona <q>%(name)s</q> ceļš:"
+
+msgid "(does not exist)"
+msgstr "(neeksistē)"
+
+msgid "Back to Documentation"
+msgstr "Atpakaļ pie Dokumentācijas"
+
+msgid "Template filters"
+msgstr "Šablona filtri"
+
+msgid "Template filter documentation"
+msgstr "Šablona filtru dokumentācija"
+
+msgid "Built-in filters"
+msgstr "Iebūvētie filtri"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Lai izmantotu šos filtrus, ievietojiet <code>%(code)s</code> šablonā pirms "
+"filtra izmantošanas."
+
+msgid "Template tags"
+msgstr "Šablonu tagi"
+
+msgid "Template tag documentation"
+msgstr "Šablonu tagu dokumentācija"
+
+msgid "Built-in tags"
+msgstr "Iebūvētie tagi"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Lai izmantotu šos tagus, ievietojiet <code>%(code)s</code> šablonā pirms "
+"taga izmantošanas."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Konteksts:"
+
+msgid "Templates:"
+msgstr "Šabloni:"
+
+msgid "Back to View documentation"
+msgstr "Atpakaļ pie Skatu dokumentācijas"
+
+msgid "View documentation"
+msgstr "Skatu dokumentācija"
+
+msgid "Jump to namespace"
+msgstr "Pāriet uz vārdtelpu"
+
+msgid "Empty namespace"
+msgstr "Tukša vārdtelpa"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Skati pēc vārdtelpas %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Skati pēc tukšas vārdtelpas"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Skata funkcija: <code>%(full_name)s</code>. Nosaukums: <code>"
+"%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "tags:"
+
+msgid "filter:"
+msgstr "filtrs:"
+
+msgid "view:"
+msgstr "skats:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Lietotne %(app_label)r netika atrasta"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelis  %(model_name)r lietotnē %(app_label)r nav atrasts"
+
+msgid "model:"
+msgstr "modelis:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "saistītais `%(app_label)s.%(data_type)s` objekts"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "saistītie `%(app_label)s.%(object_name)s` objekti"
+
+#, python-format
+msgid "all %s"
+msgstr "visi %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s skaits"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s nav urlpattern objekts"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e2b663ed
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..128e4635
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2016-2017
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2013-2014
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Vasil Vangelovski <vvangelovski@gmail.com>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Administrative Documentation"
+msgstr "Административна документација"
+
+msgid "Home"
+msgstr "Дома"
+
+msgid "Documentation"
+msgstr "Документација"
+
+msgid "Bookmarklets"
+msgstr "Обележувачи"
+
+msgid "Documentation bookmarklets"
+msgstr "Обележувачи на документација"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"За да инсталирате букмарклети повлечете го линкот во траката со bookmarks, "
+"или кликенете со десното копче и додадете го во bookmarks. Така ќе можете да "
+"го одберете букмарклетот од било која страна на сајтот."
+
+msgid "Documentation for this page"
+msgstr "Документација за оваа страница"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Ве носи од било која страница од документацијата до погледот кој ја генерира "
+"таа страница."
+
+msgid "Tags"
+msgstr "Тагови"
+
+msgid "List of all the template tags and their functions."
+msgstr "Листа на сите шаблонски тагови и нивните функции."
+
+msgid "Filters"
+msgstr "Филтри"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Филтри се акции кои може да се применат на променливи во шаблон за менување "
+"на излезниот резултат."
+
+msgid "Models"
+msgstr "Модели"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Модели се описи на сите објекти во системот и нивните полиња. Секој модел "
+"има листа на полиња до кои може да се пристапи со променливи во шаблони."
+
+msgid "Views"
+msgstr "Погледи (вјуа)"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Секоја страна на јавниот сајт се генерира од поглед. Подгледот дефинира кој "
+"шаблон се користи за да се генерира страната и кој објекти се достапни за "
+"тој шаблон."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Алатки за вашиот веб прегледувач за брз пристап до администраторските "
+"функционалности."
+
+msgid "Please install docutils"
+msgstr "Ве молиме инсталирајте docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"На админ документацискиот систем му е потребна <a href=\"%(link)s"
+"\">docutils</a> Python библиотеката."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Ве молиме побарајте од вашите администратори да инсталираат <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Модел %(name)s"
+
+msgid "Fields"
+msgstr "Полиња"
+
+msgid "Field"
+msgstr "Поле"
+
+msgid "Type"
+msgstr "Тип"
+
+msgid "Description"
+msgstr "Опис"
+
+msgid "Methods with arguments"
+msgstr "Методи со аргументи"
+
+msgid "Method"
+msgstr "Метод"
+
+msgid "Arguments"
+msgstr "Аргументи"
+
+msgid "Back to Model documentation"
+msgstr "Назад до документација за модели."
+
+msgid "Model documentation"
+msgstr "Документација за модели"
+
+msgid "Model groups"
+msgstr "Групи на модели"
+
+msgid "Templates"
+msgstr "Шаблони (темплејти)"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Шаблон: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Шаблон: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "Пребарај ја патеката за шаблонот \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(не постои)"
+
+msgid "Back to Documentation"
+msgstr "Назад во документација"
+
+msgid "Template filters"
+msgstr "Шаблонски филтри"
+
+msgid "Template filter documentation"
+msgstr "Документација за шаблонски филтер"
+
+msgid "Built-in filters"
+msgstr "Вградени филтри"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"За да ги користите овие филтри, внесете <code>%(code)s</code> во вашиот "
+"шаблон пред да го користите филтерот."
+
+msgid "Template tags"
+msgstr "Шаблонски тагови"
+
+msgid "Template tag documentation"
+msgstr "Документација за шаблонски таг"
+
+msgid "Built-in tags"
+msgstr "Вградени тагови"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"За да ги користите овие тагови, внесете <code>%(code)s</code> во вашиот "
+"шаблон пред да го користите тагот."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Поглед: %(name)s"
+
+msgid "Context:"
+msgstr "Контекст:"
+
+msgid "Templates:"
+msgstr "Шаблони:"
+
+msgid "Back to View documentation"
+msgstr "Назад до документација за погледи"
+
+msgid "View documentation"
+msgstr "Документација за поглед"
+
+msgid "Jump to namespace"
+msgstr "Скокни до именски простор"
+
+msgid "Empty namespace"
+msgstr "Празен именски простор"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Погледи по именски простор %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Погледи по празен именски простор"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Погледска функција (вју функција): <code>%(full_name)s</code>. Име: "
+"<code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "таг:"
+
+msgid "filter:"
+msgstr "филтер:"
+
+msgid "view:"
+msgstr "поглед:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Апликацијата %(app_label)r не е пронајдена"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Моделот %(model_name)r не е најден во апликацијата %(app_label)r"
+
+msgid "model:"
+msgstr "модел:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "поврзаниот `%(app_label)s.%(data_type)s` објект"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "поврзани `%(app_label)s.%(object_name)s` објекти"
+
+#, python-format
+msgid "all %s"
+msgstr "сите %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "број на %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s не изгледа дека е url објект"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..89d79cca
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a73c3185
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,268 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Emil Joseph <emilutan@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# MUHAMMED RAMEEZ <muhammedrameez2000@gmail.com>, 2019
+# Rag sagar <ragsagar@gmail.com>, 2016
+# Rajeesh Nair <rajeeshrnair@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2019-03-10 07:17+0000\n"
+"Last-Translator: Emil Joseph <emilutan@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "കാര്യനിർവ്വാഹകർക്കായുള്ള ഡോക്യൂമെന്റേഷൻ "
+
+msgid "Home"
+msgstr "ഹോം "
+
+msgid "Documentation"
+msgstr "സഹായക്കുറിപ്പുകള്‍"
+
+msgid "Bookmarklets"
+msgstr "ബുക്ക് മാര്‍ക്കുകള്‍"
+
+msgid "Documentation bookmarklets"
+msgstr "സഹായക്കുറിപ്പുകളുടെ ബുക്ക്മാര്‍ക്കുകള്‍"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"ബുക്ക്മാർക്കുകൾ ഇൻസ്റ്റാൾ ചെയ്യാൻ, നിങ്ങളുടെ ബുക്ക്മാർക്കുകൾ ടൂൾബാറിലേക്ക് ലിങ്ക് ഇഴയ്ക്കുക, "
+"അല്ലെങ്കിൽ ലിങ്കിൽ വലത് ക്ലിക്കുചെയ്ത് നിങ്ങളുടെ ബുക്ക്മാർക്കുകളിൽ ചേർക്കുക. ഇപ്പോൾ നിങ്ങൾക്ക് "
+"സൈറ്റിലെ ഏത് പേജിൽ നിന്നും ബുക്മാർക്കറ്റ് തിരഞ്ഞെടുക്കാം."
+
+msgid "Documentation for this page"
+msgstr "ഈ പേജിന്റെ സഹായക്കുറിപ്പുകള്‍"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "ഏതു പേജില്‍ നിന്നും അതിന്റെ ഉദ്ഭവമായ വ്യൂവിന്റെ സഹായക്കുറിപ്പിലേക്കു ചാടാന്‍"
+
+msgid "Tags"
+msgstr "ടാഗുകള്‍"
+
+msgid "List of all the template tags and their functions."
+msgstr "എല്ലാ ടെംപ്ലേറ്റുകളും അവയുടെ ഫംഗ്ഷനുകളുടെ പട്ടിക"
+
+msgid "Filters"
+msgstr "ഫില്‍ട്ടറുകള്‍"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"ഫിൽറ്ററുകൾ എന്നാൽ ഔട്പുട്ടിനു മാറ്റം വരുത്തുവാൻ  ടെംപ്ലേറ്റുകൾക്കു ഉള്ളില്ലേ വാരിയബിലിസിന് "
+"(variables) നൽകുന്ന ആക്ഷൻസ്സാണ് "
+
+msgid "Models"
+msgstr "മോഡലുകള്‍"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "വ്യൂകള്‍"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"അഡ്മിൻ  ഫങ്ക്ഷണാലിറ്റിയിലേക്കു  പെട്ടെന്നു പ്രവേശിക്കുവാൻ  നിങ്ങളുടെ ബ്രൗസെറിനുള്ള ടൂളുകൾ ."
+
+msgid "Please install docutils"
+msgstr "ദയവായി ഡോക്യൂട്ടിൽസ്‌  ഇൻസ്റ്റാൾ ചെയ്യുക."
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr "ഫീൽഡുകൾ "
+
+msgid "Field"
+msgstr "ഫീൽഡ്."
+
+msgid "Type"
+msgstr "ടൈപ്പ് "
+
+msgid "Description"
+msgstr "വിവരണം"
+
+msgid "Methods with arguments"
+msgstr "മെതോടുകൾ ഉള്ള ആർഗുമെന്റ്സ് "
+
+msgid "Method"
+msgstr "രീതി"
+
+msgid "Arguments"
+msgstr "വാദങ്ങൾ"
+
+msgid "Back to Model documentation"
+msgstr "മോഡൽ ഡോക്യൂമെന്റന്റഷനിലേക്ക് തിരികെ പോവുക ."
+
+msgid "Model documentation"
+msgstr "മോഡൽ ഡോക്യൂമെന്റേഷൻ."
+
+msgid "Model groups"
+msgstr "മോഡൽ ഗ്രൂപ്സ്"
+
+msgid "Templates"
+msgstr "ടെമ്പ്‌ലേറ്റുകള്‍"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr "(എക്സിസ്റ്  ചെയ്യുന്നില്ല )"
+
+msgid "Back to Documentation"
+msgstr "ഡോക്യൂമെന്റഷനിലേക്കു തിരികെ പോവുക ."
+
+msgid "Template filters"
+msgstr "ടെമ്പ്ലേറ്റ് ഫിൽറ്ററുകൾ "
+
+msgid "Template filter documentation"
+msgstr "ടെമ്പ്ലേറ്റ് ഫിൽറ്റർ ഡോക്യൂമെന്റേഷൻ "
+
+msgid "Built-in filters"
+msgstr "ബിൽട്ടിൻ  ഫിൽറ്ററുകൾ "
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr "ടെമ്പ്ലേറ്റ് റ്റാഗുകൾ "
+
+msgid "Template tag documentation"
+msgstr "ടെമ്പ്ലേറ്റ് ടാഗിന്റെ ഡോക്യൂമെന്റേഷൻ "
+
+msgid "Built-in tags"
+msgstr "ബിൽട്ടിൻ  റ്റാഗുകൾ "
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr "കോണ്ടെക്സ്റ് :"
+
+msgid "Templates:"
+msgstr "ടെമ്പ്‌ലേറ്റുകള്‍"
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr "ഡോക്യൂമെന്റെഷൻ കാണുക "
+
+msgid "Jump to namespace"
+msgstr "നെയിംസ്പേസിലേക്ക് ചാടുക ."
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ടാഗ്:"
+
+msgid "filter:"
+msgstr "അരിപ്പ:"
+
+msgid "view:"
+msgstr "വ്യൂ"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(app_label)r എന്ന Appല്‍ %(model_name)r എന്ന മാത്രുക കണ്ടില്ല."
+
+msgid "model:"
+msgstr "മാത്രുക:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "ബന്ധപ്പെട്ട `%(app_label)s.%(data_type)s` വസ്തു"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "ബന്ധപ്പെട്ട `%(app_label)s.%(object_name)s` വസ്തുക്കള്‍"
+
+#, python-format
+msgid "all %s"
+msgstr "%s എല്ലാം"
+
+#, python-format
+msgid "number of %s"
+msgstr "%sന്റെ എണ്ണം"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s വിലാസ മാത്രുക (urlpattern object) ആണെന്ന് തോന്നുന്നില്ല."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4b9b343a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..54de5cfc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,283 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bayarkhuu Bataa, 2014
+# Claude Paroz <claude@2xlibre.net>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Turmunkh Batkhuyag, 2023
+# Zorig, 2013-2014,2016-2017
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2014-2015
+# Баясгалан Цэвлээ <bayasaa_7672@yahoo.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-24 20:19+0000\n"
+"Last-Translator: Turmunkh Batkhuyag, 2023\n"
+"Language-Team: Mongolian (http://app.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Удирдлагын баримт бичиг"
+
+msgid "Home"
+msgstr "Нүүр"
+
+msgid "Documentation"
+msgstr "Баримт бичиг"
+
+msgid "Bookmarklets"
+msgstr "Хавчуурга"
+
+msgid "Documentation bookmarklets"
+msgstr "Баримт бичгийн хавчуурга"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Bookmarklet тэмдэглэл суулгахын тулд холбоосыг өөрийн bookmark талбар руу "
+"чирэх эсвэл хулганы баруун даралт дарж bookmark -т нэмэх сонголтыг сонгоно. "
+"Ингэснээр аль ч хуудаснаас bookmarklet-ээ сонгох боломжтой болно."
+
+msgid "Documentation for this page"
+msgstr "Энэ хуудасны баримтжуулалт"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Таныг ямар ч хамаагүй хуудаснаас тухайн хуудсыг гаргаж байгаа "
+"баримтжуулалтанд аваачна."
+
+msgid "Tags"
+msgstr "Таг-ууд"
+
+msgid "List of all the template tags and their functions."
+msgstr "Бүх загваруудын шошго мөн тэдний функц"
+
+msgid "Filters"
+msgstr "Шүүлтүүрүүд"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr "Шүүлтүүр нь тэмплэйтийн илэрцэд хувисагчаар оролцох үйлдэл"
+
+msgid "Models"
+msgstr "Моделууд"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Model-ууд бол системтэй холбоотой талбарууд бүхий объектуудын тайлбар, Model "
+"бүр тэмплэйт хувьсагч болох боломтой талбаруудтай "
+
+msgid "Views"
+msgstr "View-үүд"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Нийтэд ил хуудас бүр view-ээс бүтнэ. View нь ямар объектийг, тухайн template-"
+"д  ашиглахыг тодорхойлно."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Админы ажиллагаанд хурдан нэвтрэхын тулд таны вэб хөтөчид зориулагдсан "
+"хэрэгсэл."
+
+msgid "Please install docutils"
+msgstr "docutils ийг суулгана уу"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Админуудаас <a href=\"%(link)s\">docutils</a> санг суулгасан эсхийг асууна "
+"уу."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Модель: %(name)s"
+
+msgid "Fields"
+msgstr "Талбарууд"
+
+msgid "Field"
+msgstr "Талбар"
+
+msgid "Type"
+msgstr "Төрөл"
+
+msgid "Description"
+msgstr "Товчхон"
+
+msgid "Methods with arguments"
+msgstr "Аргументтэй функцүүд"
+
+msgid "Method"
+msgstr "Функц"
+
+msgid "Arguments"
+msgstr "Аргументүүд"
+
+msgid "Back to Model documentation"
+msgstr "Моделийн баримтруу буцах"
+
+msgid "Model documentation"
+msgstr "Моделийн баримт"
+
+msgid "Model groups"
+msgstr "Модел бүлэгүүд"
+
+msgid "Templates"
+msgstr "Загварууд"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Загвар: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr "(Оршдоггүй)"
+
+msgid "Back to Documentation"
+msgstr "Баримтруу буцах"
+
+msgid "Template filters"
+msgstr "Загвар шүүлт"
+
+msgid "Template filter documentation"
+msgstr "Загвар шүүлтийн баримт"
+
+msgid "Built-in filters"
+msgstr "Өгөгдмөл шүүлтүүрүүд"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Энэ шошгыг ашиглахын тулд үүнийг <code>%(code)s</code> шошгоны өмнө загвар "
+"дотроо бич"
+
+msgid "Template tags"
+msgstr "Загвар шошго"
+
+msgid "Template tag documentation"
+msgstr "Template tag баримтжуулалт"
+
+msgid "Built-in tags"
+msgstr "Өгөгдмөл шошгууд"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Энэ шошгыг ашиглахын тулд үүнийг <code>%(code)s</code> шошгоны өмнө загвар "
+"дотроо бич"
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Харагдац: %(name)s"
+
+msgid "Context:"
+msgstr "Уул үг: "
+
+msgid "Templates:"
+msgstr "Загварууд:"
+
+msgid "Back to View documentation"
+msgstr "Харагдац баримтруу буцах"
+
+msgid "View documentation"
+msgstr "Харагдац баримт"
+
+msgid "Jump to namespace"
+msgstr "Хоосон зай үүсгэх"
+
+msgid "Empty namespace"
+msgstr "Хоосон нэрний зай"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "%(name)s нэрсээр харах"
+
+msgid "Views by empty namespace"
+msgstr "Хоосон зайгаар харах"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Функц харах: <code>%(full_name)s</code>. Нэр: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "шошго:"
+
+msgid "filter:"
+msgstr "шүүлтүүр:"
+
+msgid "view:"
+msgstr "харах:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "%(app_label)r аппликэйшн олдсонгүй"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "  %(app_label)r програмд %(model_name)r модел олдсонгүй"
+
+msgid "model:"
+msgstr "модел:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "холбогдох `%(app_label)s.%(data_type)s`объект"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "холбогдох `%(app_label)s.%(object_name)s` объектууд"
+
+#, python-format
+msgid "all %s"
+msgstr "бүх %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s-ийн тоо"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s нь url хэлбэрийн объект биш байна"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a3218b02
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6e87657f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,275 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2015-01-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Marathi (http://www.transifex.com/projects/p/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr ""
+
+msgid "Documentation"
+msgstr ""
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"\n"
+"<p class=\"help\">To install bookmarklets, drag the link to your bookmarks\n"
+"toolbar, or right-click the link and add it to your bookmarks. Now you can\n"
+"select the bookmarklet from any page in the site.  Note that some of these\n"
+"bookmarklets require you to be viewing the site from a computer designated\n"
+"as \"internal\" (talk to your system administrator if you aren't sure if\n"
+"your computer is \"internal\").</p>\n"
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Show object ID"
+msgstr ""
+
+msgid ""
+"Shows the content-type and unique ID for pages that represent a single "
+"object."
+msgstr ""
+
+msgid "Edit this object (current window)"
+msgstr ""
+
+msgid "Jumps to the admin page for pages that represent a single object."
+msgstr ""
+
+msgid "Edit this object (new window)"
+msgstr ""
+
+msgid "As above, but opens the admin page in a new window."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Back to Model Documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to Views Documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "Boolean (Either True or False)"
+msgstr ""
+
+#, python-format
+msgid "Field of type: %(field_type)s"
+msgstr ""
+
+msgid "tag:"
+msgstr ""
+
+msgid "filter:"
+msgstr ""
+
+msgid "view:"
+msgstr ""
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr ""
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr ""
+
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0db0e9c6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..13fd43e5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,283 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-16 14:09+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr "Dokumentasi Pentadbiran"
+
+msgid "Home"
+msgstr "Utama"
+
+msgid "Documentation"
+msgstr "Dokumentasi"
+
+msgid "Bookmarklets"
+msgstr "Penanda"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentasi penanda"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Untuk memasang penanda, heret pautan ke palang-alat penanda-buku, atau klik-"
+"kanan pada pautan dan tambahkan ke penanda-buku anda. Kini anda boleh "
+"memilih penanda itu daripada mana-mana ruangan di laman."
+
+msgid "Documentation for this page"
+msgstr "Dokumentasi untuk ruangan ini"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Membawa anda daripada mana-mana ruangan kepada dokumentasi bagi pemandangan "
+"yang menjana ruang itu."
+
+msgid "Tags"
+msgstr "Tag-tag"
+
+msgid "List of all the template tags and their functions."
+msgstr "Senarai kesemua tag templat dan fungsiannya."
+
+msgid "Filters"
+msgstr "Tapisan"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Tapisan adalah tindakan yang boleh digunakan pada pembolehubah didalam "
+"templat untuk mengubah outputnya."
+
+msgid "Models"
+msgstr "Model-model"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Model-model adalah penerangan bagi semua objek-objek didalam sistem dan "
+"medan-medan yang berkaitan. Setiap model mempunyai senarai medan-medan yang "
+"boleh diakses sebagai tempat pembolehubah."
+
+msgid "Views"
+msgstr "Pemandangan"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Setiap ruangan pada laman awan dihasilkan daripada pemandangan. Pemandangan "
+"menakrifkan templat mana yang diguna-pakai untuk menghasilkan ruangan itu "
+"dan objek mana yang boleh digunakan bersama templat itu."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Alat-alat untuk pelayar anda untuk mengakses fungsian pentadbiran secara "
+"pantas."
+
+msgid "Please install docutils"
+msgstr "Sila pasang docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Sistem dokumentasi pentadbiran memerlukan perpustakaan <a href=\"%(link)s"
+"\">docutils</a> Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Sila mohon pada pentadbir-pentadbir anda untuk memasang <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Medan-medan"
+
+msgid "Field"
+msgstr "Medan"
+
+msgid "Type"
+msgstr "Jenis"
+
+msgid "Description"
+msgstr "Penerangan"
+
+msgid "Methods with arguments"
+msgstr "Kaedah dengan argumen"
+
+msgid "Method"
+msgstr "Kaedah"
+
+msgid "Arguments"
+msgstr "Argumen"
+
+msgid "Back to Model documentation"
+msgstr "Patah balik ke dokumentasi Model"
+
+msgid "Model documentation"
+msgstr "Dokumentasi Model"
+
+msgid "Model groups"
+msgstr "Kumpulan-kumpulan Model"
+
+msgid "Templates"
+msgstr "Templat-templat"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Templat: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Templat: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Cari laluan untuk templat <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(tidak wujud)"
+
+msgid "Back to Documentation"
+msgstr "Patah balik ke Dokumentasi"
+
+msgid "Template filters"
+msgstr "Penapisan templat"
+
+msgid "Template filter documentation"
+msgstr "Dokumentasi penapisan templat"
+
+msgid "Built-in filters"
+msgstr "Penapisan terbina-dalam"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Untuk menggunakan tapisan-tapisan ini, letakkan <code>%(code)s</code> "
+"didalam templat anda sebelum menggunakan tapisan itu."
+
+msgid "Template tags"
+msgstr "Tag-tag templat"
+
+msgid "Template tag documentation"
+msgstr "Dokumentasi tag templat"
+
+msgid "Built-in tags"
+msgstr "Tag-tag terbina-dalam"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Untuk menggunakan tag-tag ini, letakkan <code>%(code)s</code> didalam "
+"templat anda sebelum menggunakan tag itu."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Pemandagan: %(name)s"
+
+msgid "Context:"
+msgstr "Konteks:"
+
+msgid "Templates:"
+msgstr "Templat-templat:"
+
+msgid "Back to View documentation"
+msgstr "Patah balik ke Dokumentasi Pemandangan"
+
+msgid "View documentation"
+msgstr "Dokumentasi Pemandangan"
+
+msgid "Jump to namespace"
+msgstr "Lompat ke ruangnama"
+
+msgid "Empty namespace"
+msgstr "Ruangnama koson"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Pemandangan berdasakran ruangnama %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Pemandangan berdasarkan ruangnama kosong"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Fungsi Pemandangan: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "tapis:"
+
+msgid "view:"
+msgstr "lihat:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "App %(app_label)r tidak dijumpai"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r tidak dijumpai didalam app %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "objek `%(app_label)s.%(data_type)s` berkaitan"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objek-objek `%(app_label)s.%(object_name)s` berkaitan"
+
+#, python-format
+msgid "all %s"
+msgstr "semua %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "bilangan %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s nampaknya bukan objek urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fa8a6a56
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..450fa417
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2013,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "ပင်မ"
+
+msgid "Documentation"
+msgstr "အချက်အလက်"
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Tags"
+msgstr "အမည်များ"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "စီစစ်မှုများ"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "မော်ဒယ်များ"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "ကြည့်ရှုခြင်းများ"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "ပံုစံပြားများ"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "အမည်:"
+
+msgid "filter:"
+msgstr "စီစစ်မှု:"
+
+msgid "view:"
+msgstr "ကြည့်ရှု:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(app_label)r အပ်ပရိုဂရမ်တွင် %(model_name)r မော်ဒယ်ရှာမတွေ့"
+
+msgid "model:"
+msgstr "မော်ဒယ်:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "ဆက်နွယ်သော `%(app_label)s.%(data_type)s` အရာဝတ္ထု"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "ဆက်နွယ်သော `%(app_label)s.%(object_name)s` အရာဝတ္ထုများ"
+
+#, python-format
+msgid "all %s"
+msgstr "%s အားလံုး"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s အရေအတွက်"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e6595dc0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b7959c63
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,284 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jon, 2015-2016
+# Jon, 2014
+# Jon, 2020-2021
+# Jon, 2013
+# Jon, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-18 14:16+0000\n"
+"Last-Translator: Jon\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administrasjons-dokumentasjon"
+
+msgid "Home"
+msgstr "Hjem"
+
+msgid "Documentation"
+msgstr "Dokumentasjon"
+
+msgid "Bookmarklets"
+msgstr "Bokmerker"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentasjonsbokmerker"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"For å installere bokmerker, dra linken til verktøylinjen for bokmerker, "
+"eller høyreklikk og legg til i bokmerker. Nå kan du du velge bokmerket fra "
+"hvilken som helst side på nettstedet."
+
+msgid "Documentation for this page"
+msgstr "Dokumentasjon for denne siden"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Hopp fra hvilken som helst side til dokumentasjonen for visningsfunksjonen "
+"som genererte den siden."
+
+msgid "Tags"
+msgstr "Tags"
+
+msgid "List of all the template tags and their functions."
+msgstr "Liste over alle mal-taggene og deres funksjoner."
+
+msgid "Filters"
+msgstr "Filter"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtre er handlinger som kan brukes på variabler i en mal for å endre output."
+
+msgid "Models"
+msgstr "Modeller"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeller er beskrivelser av alle objektene i systemet og tilhørende felter. "
+"Hver modell har en liste over felt som kan brukes som mal-variabler"
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Hver side på det offentlige nettstedet er generert av et view. View'et "
+"definerer hvilken malen som blir brukt til å generere siden og hvilke "
+"objekter som er tilgjengelige for den malen."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Verktøy for nettleseren din for å få rask tilgang til admin-funksjonalitet."
+
+msgid "Please install docutils"
+msgstr "Vennligst installer docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Admin-verktøyets dokumentasjonssystem behøver Pythons <a href=\"%(link)s"
+"\">docutils</a>-bibliotek ."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Spør dine administratorer om å installere <a href=\"%(link)s\">docutils</a> ."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modell: %(name)s"
+
+msgid "Fields"
+msgstr "Felter"
+
+msgid "Field"
+msgstr "Felt"
+
+msgid "Type"
+msgstr "Type"
+
+msgid "Description"
+msgstr "Beskrivelse"
+
+msgid "Methods with arguments"
+msgstr "Metoder med argumenter"
+
+msgid "Method"
+msgstr "Metode"
+
+msgid "Arguments"
+msgstr "Argumenter"
+
+msgid "Back to Model documentation"
+msgstr "Tilbake til modell-dokumentasjon"
+
+msgid "Model documentation"
+msgstr "Modelldokumentasjon"
+
+msgid "Model groups"
+msgstr "Modellgrupper"
+
+msgid "Templates"
+msgstr "Maler"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Mal: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Mal: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Søkebane for mal <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(finnes ikke)"
+
+msgid "Back to Documentation"
+msgstr "Tilbake til dokumentasjonen"
+
+msgid "Template filters"
+msgstr "Mal-filtre"
+
+msgid "Template filter documentation"
+msgstr "Mal-filter dokumentasjon"
+
+msgid "Built-in filters"
+msgstr "Innebygde filtre"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"For å bruke disse filtrene, sett inn <code>%(code)s</code> i malen før du "
+"bruker filteret."
+
+msgid "Template tags"
+msgstr "Mal-tagger"
+
+msgid "Template tag documentation"
+msgstr "Mal-tag-dokumentasjon"
+
+msgid "Built-in tags"
+msgstr "Innebygde tagger"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"For å bruke disse taggene, sett inn <code>%(code)s</code> i malen før du "
+"bruker taggen."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Maler:"
+
+msgid "Back to View documentation"
+msgstr "Tilbake til view-dokumentasjonen"
+
+msgid "View documentation"
+msgstr "View-dokumentasjon"
+
+msgid "Jump to namespace"
+msgstr "Gå til navnerom"
+
+msgid "Empty namespace"
+msgstr "Tomt navnerom"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views etter navnerom %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views etter tomt navnerom"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"View-funksjon: <code>%(full_name)s</code>. Navn: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Applikasjon %(app_label)r ikke funnet"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Fant ikke modellen %(model_name)r i applikasjonen %(app_label)r"
+
+msgid "model:"
+msgstr "modell:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "det relaterte `%(app_label)s.%(data_type)s`-objektet"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "relaterte `%(app_label)s.%(object_name)s`-objekter"
+
+#, python-format
+msgid "all %s"
+msgstr "alle %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "antall %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ser ikke ut til å være et urlpattern-objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a72f32dd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2d6a26d7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,261 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Paras Nath Chaudhary <opnchaudhary@gmail.com>, 2012
+# Sandesh Rana <vimmrana0@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-20 19:57+0000\n"
+"Last-Translator: Sandesh Rana <vimmrana0@gmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "प्रशासनिक दस्तावेज"
+
+msgid "Home"
+msgstr "गृह "
+
+msgid "Documentation"
+msgstr "प्रलेखन"
+
+msgid "Bookmarklets"
+msgstr "बुकमार्कलेटहरू"
+
+msgid "Documentation bookmarklets"
+msgstr "कागजातका बुकमार्कलेटहरू"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"बुकमार्कलेटहरू स्थापना गर्न, लिंकलाई तपाईंको बुकमार्क टूलबारमा ड्र्याग गर्नुहोस्, वा लिंकमा "
+"दायाँ क्लिक गर्नुहोस् र तपाईंको बुकमार्कमा थप्नुहोस्। अब तपाईं साइटमा कुनै पृष्ठबाट बुकमार्क "
+"चयन गर्न सक्नुहुन्छ।"
+
+msgid "Documentation for this page"
+msgstr "यो पृस्ठको लागी प्रलेखन"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Tags"
+msgstr "ट्यागहरु "
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "नमुनाहरु "
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "धृस्यहरु "
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr "वर्णन"
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ट्याग:"
+
+msgid "filter:"
+msgstr ""
+
+msgid "view:"
+msgstr "धृस्य :"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(model_name)r नमुना %(app_label)r appमा   भेटिएन"
+
+msgid "model:"
+msgstr "नमुना :"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "`%(app_label)s.%(data_type)s` संबंधित बस्तु "
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "`%(app_label)s.%(object_name)s` संबंधित बस्तु "
+
+#, python-format
+msgid "all %s"
+msgstr "सबै  %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%sको संख्या"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..89f91232
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..84983aaf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bouke Haarsma <bouke@haarsma.eu>, 2013
+# Evelijn Saaltink <evelijnsaaltink@gmail.com>, 2016
+# Ilja Maas <iljamaas@dreamsolution.nl>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 6a27f10aef159701c7a5ff07f0fb0a78_05545ed <bc5d401a7ecd9343dd5afac265ed8ab3_4845>, 2012,2014
+# Tonnes <tonnes.mb@gmail.com>, 2019,2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-04-24 20:19+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>, 2019,2022\n"
+"Language-Team: Dutch (http://www.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Beheerdocumentatie"
+
+msgid "Home"
+msgstr "Voorpagina"
+
+msgid "Documentation"
+msgstr "Documentatie"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentatiebookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Om bookmarklets te installeren, sleept u de koppeling naar uw "
+"bladwijzerwerkbalk, of klikt u met de rechtermuisknop op de koppeling en "
+"voegt u deze toe aan uw bladwijzers. De bookmarklet kan nu vanuit elke "
+"pagina op de website worden geselecteerd."
+
+msgid "Documentation for this page"
+msgstr "Documentatie voor deze pagina"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Springt vanuit elke pagina naar de documentatie voor de weergave die die "
+"pagina genereert."
+
+msgid "Tags"
+msgstr "Tags"
+
+msgid "List of all the template tags and their functions."
+msgstr "Overzicht van alle sjabloontags en hun functies."
+
+msgid "Filters"
+msgstr "Filters"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filters zijn acties die op variabelen in een sjabloon kunnen worden "
+"toegepast om de uitvoer aan te passen."
+
+msgid "Models"
+msgstr "Modellen"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modellen zijn beschrijvingen van alle objecten in het systeem en hun "
+"gekoppelde velden. Elk model heeft een lijst van velden die als "
+"sjabloonvariabelen kunnen worden gekoppeld."
+
+msgid "Views"
+msgstr "Weergaven"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Elke pagina op de publieke website wordt gegenereerd door een weergave. De "
+"weergave bepaalt welke sjabloon wordt gebruikt om de pagina te genereren en "
+"welke objecten in die sjabloon beschikbaar zijn."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Snelkoppelingen in je browser om makkelijk beheerpagina's te openen."
+
+msgid "Please install docutils"
+msgstr "Docutils is niet geïnstalleerd"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+"Het beheerdocumentatiesysteem vereist de <a href=\"%(link)s\">docutils</a>-"
+"bibliotheek van Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Vraag de beheerder om <a href=\"%(link)s\">docutils</a> te installeren."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Velden"
+
+msgid "Field"
+msgstr "Veld"
+
+msgid "Type"
+msgstr "Type"
+
+msgid "Description"
+msgstr "Beschrijving"
+
+msgid "Methods with arguments"
+msgstr "Methode met argumenten"
+
+msgid "Method"
+msgstr "Methode"
+
+msgid "Arguments"
+msgstr "Argumenten"
+
+msgid "Back to Model documentation"
+msgstr "Terug naar Modeldocumentatie"
+
+msgid "Model documentation"
+msgstr "Modeldocumentatie"
+
+msgid "Model groups"
+msgstr "Modules"
+
+msgid "Templates"
+msgstr "Sjablonen"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Sjabloon: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Sjabloon: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Zoekpad voor sjabloon <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(bestaat niet)"
+
+msgid "Back to Documentation"
+msgstr "Terug naar Documentatie"
+
+msgid "Template filters"
+msgstr "Sjabloonfilters"
+
+msgid "Template filter documentation"
+msgstr "Sjabloontagdocumentatie "
+
+msgid "Built-in filters"
+msgstr "Standaardfilters"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Om deze filters te gebruiken, plaatst u <code>%(code)s</code> in uw sjabloon "
+"voordat u het filter gebruikt."
+
+msgid "Template tags"
+msgstr "Sjabloontags"
+
+msgid "Template tag documentation"
+msgstr "Sjabloontagdocumentatie"
+
+msgid "Built-in tags"
+msgstr "Standaardtags"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Om deze tags te gebruiken, plaatst u <code>%(code)s</code> in uw sjabloon "
+"voordat u de tag gebruikt."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Weergave: %(name)s"
+
+msgid "Context:"
+msgstr "Contextvariabelen:"
+
+msgid "Templates:"
+msgstr "Sjablonen:"
+
+msgid "Back to View documentation"
+msgstr "Terug naar Weergavedocumentatie"
+
+msgid "View documentation"
+msgstr "Weergavedocumentatie"
+
+msgid "Jump to namespace"
+msgstr "Naar namespace springen"
+
+msgid "Empty namespace"
+msgstr "Lege namespace"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Weergaven per namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Weergaven per lege namespace"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Weergavefunctie: <code>%(full_name)s</code>. Naam: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "weergave:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "App %(app_label)r niet gevonden"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r niet gevonden in module %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "het gerelateerde `%(app_label)s.%(data_type)s` object"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "gerelateerde `%(app_label)s.%(object_name)s` objecten"
+
+#, python-format
+msgid "all %s"
+msgstr "alle %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "aantal %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s lijkt geen urlpattern-object te zijn"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..72add0c5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..673f7964
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,282 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-16 23:22+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administrasjons-dokumentasjon"
+
+msgid "Home"
+msgstr "Heim"
+
+msgid "Documentation"
+msgstr "Dokumentasjon"
+
+msgid "Bookmarklets"
+msgstr "Bokmerke"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentasjonsbokmerke"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"For å installere bokmerke, dra lenkja til verktøylinja for bokmerke, eller "
+"høgreklikk og legg til i dine bokmerke. No kan du velje bokmerket frå kva "
+"for helst side på nettstaden."
+
+msgid "Documentation for this page"
+msgstr "Dokumentasjon for denne sida"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Hopp frå kva som helst side til dokumentasjonen for visingsfunksjonen som "
+"genererte sida."
+
+msgid "Tags"
+msgstr "Taggar"
+
+msgid "List of all the template tags and their functions."
+msgstr "Liste over alle mal-taggar og funksjonane deira."
+
+msgid "Filters"
+msgstr "Filter"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filter er handlingar som kan bli brukt på variablar i ein mal for å endre "
+"utdata."
+
+msgid "Models"
+msgstr "Modellar"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modellar er beskrivingar av alle objekta i eit system og tilhøyrande felt. "
+"Kvar modell har ein liste over felt som kan bli brukt som mal-variablar."
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Kvar side på den offentlege nettstaden er generert av ein view. Viewen "
+"definerer kva for ein mal som blir brukt til å generere sida og kva for "
+"nokre objekt som er tilgjengelege for den malen."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Verktøy for nettlesaren din for å få rask tilgang til admin-funksjonalitet"
+
+msgid "Please install docutils"
+msgstr "Installer docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Admin-verktøyet sitt dokumentasjonssystem behøver Python sitt <a href="
+"\"%(link)s\">docutils</a>-bibliotek."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Spør administratorane dine om å installere <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modell: %(name)s"
+
+msgid "Fields"
+msgstr "Felt"
+
+msgid "Field"
+msgstr "Felt"
+
+msgid "Type"
+msgstr "Type"
+
+msgid "Description"
+msgstr "Beskriving"
+
+msgid "Methods with arguments"
+msgstr "Metodar med argument"
+
+msgid "Method"
+msgstr "Metode"
+
+msgid "Arguments"
+msgstr "Argument"
+
+msgid "Back to Model documentation"
+msgstr "Attende til Modelldokumentasjon"
+
+msgid "Model documentation"
+msgstr "Modelldokumentasjon"
+
+msgid "Model groups"
+msgstr "Modellgrupper"
+
+msgid "Templates"
+msgstr "Malar"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Mal: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Mal: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Søkjebane for mal <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(finnast ikkje)"
+
+msgid "Back to Documentation"
+msgstr "Attende til Dokumentasjon"
+
+msgid "Template filters"
+msgstr "Malfilter"
+
+msgid "Template filter documentation"
+msgstr "Malfilterdokumentasjon"
+
+msgid "Built-in filters"
+msgstr "Innbygde filter"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"For å bruke desse filtera, set inn <code>%(code)s</code> i malen før du "
+"brukar filteret."
+
+msgid "Template tags"
+msgstr "Maltaggar"
+
+msgid "Template tag documentation"
+msgstr "Maltagdokumentasjon"
+
+msgid "Built-in tags"
+msgstr "Innebygde taggar"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"For å bruke desse taggane, set inn <code>%(code)s</code> i malen før du "
+"brukar taggen."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Malar:"
+
+msgid "Back to View documentation"
+msgstr "Attende til Viewdokumentasjon"
+
+msgid "View documentation"
+msgstr "Viewdokumentasjon"
+
+msgid "Jump to namespace"
+msgstr "Gå til namnerom"
+
+msgid "Empty namespace"
+msgstr "Tomt namnerom"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views etter namnerom %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views etter tomt namnerom"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+" Viewfunksjon: <code>%(full_name)s</code>. Namn: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Applikasjon %(app_label)r ikkje funne"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+"Kunne ikkje finne modellen %(model_name)r i applikasjonen %(app_label)r"
+
+msgid "model:"
+msgstr "modell:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "det relaterte `%(app_label)s.%(data_type)s`-objektet"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "relaterte `%(app_label)s.%(object_name)s`-objekt"
+
+#, python-format
+msgid "all %s"
+msgstr "alle %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "tal på %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ser ikkje ut til å vere eit urlpattern-objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dc8f9df6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/os/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d7c9eaee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Хӕдзар"
+
+msgid "Documentation"
+msgstr "Документаци"
+
+msgid "Bookmarklets"
+msgstr "Букмарклеттӕ"
+
+msgid "Documentation bookmarklets"
+msgstr "Документацийы букмарклеттӕ"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Ацы фарсы документаци"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "Цыфӕнды фарсӕй дӕ уыцы фарс цы хуыз фӕлдисы, уый документацимӕ ӕрвиты."
+
+msgid "Tags"
+msgstr "Тӕгтӕ"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Фӕрсудзӕнтӕ"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Моделтӕ"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Хуызтӕ"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Хуызӕгтӕ"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "тӕг:"
+
+msgid "filter:"
+msgstr "фӕрсудзӕн:"
+
+msgid "view:"
+msgstr "хуыз:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Модел %(model_name)r ӕфтуан %(app_label)r-ы мидӕг нӕ разынд"
+
+msgid "model:"
+msgstr "модел"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "хӕстӕг `%(app_label)s.%(data_type)s` объект"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "хӕстӕг `%(app_label)s.%(object_name)s` объекттӕ"
+
+#, python-format
+msgid "all %s"
+msgstr "%s иууылдӕр"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s нымӕц"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s url-ы хуызӕгы объект нӕу"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8be0a2c6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..775238c0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "ਘਰ"
+
+msgid "Documentation"
+msgstr "ਡੌਕੂਮੈਂਟੇਸ਼ਨ"
+
+msgid "Bookmarklets"
+msgstr "ਬੁੱਕਮਾਰਕਲਿਟ"
+
+msgid "Documentation bookmarklets"
+msgstr "ਡੌਕੂਮੈਟੇਸ਼ਨ ਬੁੱਕਮਾਰਕਲਿਟ"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "ਇਹ ਸਫ਼ੇ ਲਈ ਡੌਕੂਮੈਂਟੇਸ਼ਨ"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ਟੈਗ:"
+
+msgid "filter:"
+msgstr "ਫਿਲਟਰ:"
+
+msgid "view:"
+msgstr "ਵੇਖੋ:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr "ਮਾਡਲ:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "ਸਬੰਧਿਤ `%(app_label)s.%(object_name)s` ਆਬਜੈਕਟ"
+
+#, python-format
+msgid "all %s"
+msgstr "ਸਭ %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s ਦੀ ਗਿਣਤੀ"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..69081819
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9a76f27e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,294 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Adam Stachowicz <saibamenppl@gmail.com>, 2015
+# angularcircle, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janusz Harkot <jh@trilab.pl>, 2015
+# m_aciek <maciej.olko@gmail.com>, 2016,2019
+# m_aciek <maciej.olko@gmail.com>, 2014
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2021
+# c10516f0462e552b4c3672569f0745a7_cc5cca2 <841826256cd8f47d0e443806a8e56601_19204>, 2014
+# Mattia Procopio <promat85@gmail.com>, 2014
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-01 09:45+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && (n"
+"%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
+"%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Dokumentacja administracyjna"
+
+msgid "Home"
+msgstr "Strona główna"
+
+msgid "Documentation"
+msgstr "Dokumentacja"
+
+msgid "Bookmarklets"
+msgstr "Zakładki"
+
+msgid "Documentation bookmarklets"
+msgstr "Zakładki Dokumentacji"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Aby zainstalować skryptozakładkę, przeciągnij jej link do paska zakładek lub "
+"kliknij prawym przyciskiem na link i wybierz opcję zapisania do zakładek. Od "
+"tego momentu możesz użyć tak zapisanej zakładki na dowolnej podstronie tego "
+"serwisu."
+
+msgid "Documentation for this page"
+msgstr "Dokumentacja dla tej strony"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Przekierowuje z dowolnej strony do dokumentacji dla widoku, który ją "
+"generuje."
+
+msgid "Tags"
+msgstr "Tagi"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista wszystkich templatetagów i ich funkcji."
+
+msgid "Filters"
+msgstr "Filtry"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtry to akcje, które mogą być stosowane w odniesieniu do zmiennych w "
+"szablonie, aby zmienić wyjście."
+
+msgid "Models"
+msgstr "Modele"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modele to opisy wszystkich obiektów w systemie i związanych z nimi pól. "
+"Każdy model ma listę pól, które mogą być dostępne jako zmienne szablonu"
+
+msgid "Views"
+msgstr "Widoki"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Każda strona dostępna publicznie jest generowana przez widok. Widok określa, "
+"który szablon jest używany do wygenerowania strony i które obiekty są "
+"dostępne dla tego szablonu."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Narzędzia do twojej przeglądarki, aby uzyskać szybki dostęp do "
+"funkcjonalności admina."
+
+msgid "Please install docutils"
+msgstr "Zainstaluj docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"System dokumentacji admina wymaga Pythonowej biblioteki <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Poproś swoich administratorów, aby zainstalowali <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Pola"
+
+msgid "Field"
+msgstr "Pole"
+
+msgid "Type"
+msgstr "Typ"
+
+msgid "Description"
+msgstr "Opis"
+
+msgid "Methods with arguments"
+msgstr "Metody z argumentami"
+
+msgid "Method"
+msgstr "Metoda"
+
+msgid "Arguments"
+msgstr "Argumenty"
+
+msgid "Back to Model documentation"
+msgstr "Powrót do dokumentacji modelu"
+
+msgid "Model documentation"
+msgstr "Dokumentacja modelu"
+
+msgid "Model groups"
+msgstr "Grupy modelu"
+
+msgid "Templates"
+msgstr "Szablony"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Szablon: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Szablon: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Ścieżki wyszukiwania dla szablonu  <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(nie istnieje)"
+
+msgid "Back to Documentation"
+msgstr "Powrót do dokumentacji"
+
+msgid "Template filters"
+msgstr "Filtry szablonu"
+
+msgid "Template filter documentation"
+msgstr "Dokumentacja filtrów szablonu"
+
+msgid "Built-in filters"
+msgstr "Wbudowane filtry"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Aby użyć tych filtrów, umieść <code>%(code)s</code> w swoim szablonie przed "
+"użyciem filtra."
+
+msgid "Template tags"
+msgstr "Tagi szablonu"
+
+msgid "Template tag documentation"
+msgstr "Dokumentacja tagów szablonu"
+
+msgid "Built-in tags"
+msgstr "Wbudowane tagi"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Aby użyć tych tagów, umieść <code>%(code)s</code> w swoim szablonie przed "
+"użyciem taga."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Widok: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Szablony:"
+
+msgid "Back to View documentation"
+msgstr "Powrót do dokumentacji widoku"
+
+msgid "View documentation"
+msgstr "Zobacz dokumentację"
+
+msgid "Jump to namespace"
+msgstr "Przejdź do przestrzeni nazw"
+
+msgid "Empty namespace"
+msgstr "Pusta przestrzeń nazw"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Widoki według przestrzeni nazw %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Widoki po pustej przestrzeni nazw"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Funkcja widoku: <code>%(full_name)s</code>. Nazwa: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filtr:"
+
+msgid "view:"
+msgstr "widok:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Nie znaleziono aplikacji %(app_label)r"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r nie został znaleziony w aplikacji %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "powiązany obiekt `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "powiązane obiekty `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "wszystkie %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "liczba %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s nie jest obiektem urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..da299eb1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7c0ce195
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bruno Miguel Custódio <bruno@brunomcustodio.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nuno Mariz <nmariz@gmail.com>, 2011-2013,2015,2017
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentação Administrativa"
+
+msgid "Home"
+msgstr "Início"
+
+msgid "Documentation"
+msgstr "Documentação"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentação dos bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Para instalar bookmarklets, arraste o link da barra dos bookmarks, ou "
+"pressione do lado direito no link e adicione aos bookmarks.\n"
+"Agora poderá selecionar o bookmarklet de qualquer página do site."
+
+msgid "Documentation for this page"
+msgstr "Documentação desta página"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Vai de qualquer página para a documentação da view que gera essa página."
+
+msgid "Tags"
+msgstr "Tags"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista de todas as template tags e suas funções."
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Os filtros são as acções que podem ser aplicadas às variáveis ​​de uma "
+"template para alterar o output."
+
+msgid "Models"
+msgstr "Models"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Models são descrições de todos os objetos no sistema e seus campos "
+"associados. Cada model tem uma lista de campos que podem ser acedidos como "
+"variáveis ​​de template"
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Cada página no site público é gerada por uma view. A view define qual "
+"template será usado para gerar a página e quais objetos estarão disponíveis "
+"para esse template."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Ferramentas para o seu navegador para aceder rapidamente a funcionalidade de "
+"administração."
+
+msgid "Please install docutils"
+msgstr "Por favor, instale o docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"A documentação do sistema de admin requer a biblioteca <a href=\"%(link)s"
+"\">docutils</a> do Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Por favor, peça aos seu administradores para instalar o <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Campos"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descrição"
+
+msgid "Methods with arguments"
+msgstr "Métodos com argumentos"
+
+msgid "Method"
+msgstr "Métodos"
+
+msgid "Arguments"
+msgstr "Argumentos"
+
+msgid "Back to Model documentation"
+msgstr "Voltar para a documentação dos Models"
+
+msgid "Model documentation"
+msgstr "Documentação dos Models"
+
+msgid "Model groups"
+msgstr "Grupos de Models"
+
+msgid "Templates"
+msgstr "Templates"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Template: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Template: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "Caminho de pesquisa para o template \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(Não existe)"
+
+msgid "Back to Documentation"
+msgstr "Voltar para a Documentação"
+
+msgid "Template filters"
+msgstr "Filtros de template"
+
+msgid "Template filter documentation"
+msgstr "Documentação de filtros de template"
+
+msgid "Built-in filters"
+msgstr "Filtros built-in"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Para utilizar estes filtros, coloque <code>%(code)s</code> na sua template "
+"antes de utilizar o filtro."
+
+msgid "Template tags"
+msgstr "Tags de template"
+
+msgid "Template tag documentation"
+msgstr "Documentação de tags de template"
+
+msgid "Built-in tags"
+msgstr "Tags built-in"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Para utilizar estas tags, coloque <code>%(code)s</code> na sua template "
+"antes de usar a tag."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Contexto:"
+
+msgid "Templates:"
+msgstr "Templates:"
+
+msgid "Back to View documentation"
+msgstr "Voltar para a documentação das Views"
+
+msgid "View documentation"
+msgstr "Ver documentação"
+
+msgid "Jump to namespace"
+msgstr "Saltar para namespace"
+
+msgid "Empty namespace"
+msgstr "Namespace vazio"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views por namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views por namespace vazio"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Função de view: <code>%(full_name)s</code>. Nome: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "A aplicação %(app_label)r não foi encontrada"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "O Model %(model_name)r não foi encontrado na aplicação %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "o objeto `%(app_label)s.%(data_type)s` relacionado"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "os objetos `%(app_label)s.%(object_name)s` relacionados"
+
+#, python-format
+msgid "all %s"
+msgstr "todos %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "número de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s não parece ser um objeto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..28ee8c6e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt_BR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a2151086
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,292 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# andrewsmedina <andrewsmedina@gmail.com>, 2016
+# Carlos C. Leite <caduado@gmail.com>, 2016
+# Filipe Cifali Stangler <cifali.filipe@gmail.com>, 2016
+# Eduardo Cereto Carvalho, 2016
+# Elyézer Rezende <elyezermr@gmail.com>, 2013
+# semente, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lucas Infante <maccinza@gmail.com>, 2015
+# Rafael Fontenelle <rffontenelle@gmail.com>, 2021
+# Vinícius Muniz de Melo <viniciusdesk@icloud.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-17 05:53+0000\n"
+"Last-Translator: Rafael Fontenelle <rffontenelle@gmail.com>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentação Administrativa"
+
+msgid "Home"
+msgstr "Início"
+
+msgid "Documentation"
+msgstr "Documentação"
+
+msgid "Bookmarklets"
+msgstr "Itens de bookmark"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentação de itens de bookmark"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Para instalar bookmarklets, arraste o link para a sua barra de favoritos, ou "
+"clique com o botão direito no link e o adicione aos seus favoritos. Agora "
+"você pode selecionar o bookmarklet a partir de qualquer página do site."
+
+msgid "Documentation for this page"
+msgstr "Documentação para esta página"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Leva você de qualquer página para a documentação da view que gera tal página."
+
+msgid "Tags"
+msgstr "Tags"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista de todas as tags de template e suas funções."
+
+msgid "Filters"
+msgstr "Filtros"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Os filtros são ações que podem ser aplicadas às variáveis ​​em um template "
+"para alterar a saída."
+
+msgid "Models"
+msgstr "Models"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modelos são descrições de todos os objetos no sistema e seus campos "
+"associados. Cada modelo tem uma lista de campos que podem ser acessados ​​como "
+"variáveis ​​no template"
+
+msgid "Views"
+msgstr "Views"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Cada página no site público é gerada por uma view. A view define qual "
+"template será usado para gerar a página e quais objetos estarão disponíveis "
+"para este template."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Ferramentas para o seu navegador para acessar rapidamente a funcionalidade "
+"de administração."
+
+msgid "Please install docutils"
+msgstr "Por favor, instale o docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"O sistema de documentação de administração exige a biblioteca <a href="
+"\"%(link)s\">docutils</a> do Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Por favor, peça para os seus administradores para instalar o <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Campos"
+
+msgid "Field"
+msgstr "Campo"
+
+msgid "Type"
+msgstr "Tipo"
+
+msgid "Description"
+msgstr "Descrição"
+
+msgid "Methods with arguments"
+msgstr "Métodos com argumentos"
+
+msgid "Method"
+msgstr "Método"
+
+msgid "Arguments"
+msgstr "Argumentos"
+
+msgid "Back to Model documentation"
+msgstr "Voltar para Documentação do Model"
+
+msgid "Model documentation"
+msgstr "Documentação do model"
+
+msgid "Model groups"
+msgstr "Grupos de models"
+
+msgid "Templates"
+msgstr "Templates"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Template: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Template: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Caminho de busca para o template <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(não existe)"
+
+msgid "Back to Documentation"
+msgstr "Voltar para Documentação"
+
+msgid "Template filters"
+msgstr "Filtros do template"
+
+msgid "Template filter documentation"
+msgstr "Documentação do filtro do template"
+
+msgid "Built-in filters"
+msgstr "Filtros built-in"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Para usar esses filtros, coloque <code>%(code)s</code> no seu template antes "
+"de usar o filtro."
+
+msgid "Template tags"
+msgstr "Tags de template"
+
+msgid "Template tag documentation"
+msgstr "Documentação da tag de template"
+
+msgid "Built-in tags"
+msgstr "Tags built-in"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Para usar estas tags, coloque o código <code>%(code)s</code> no seu template "
+"antes de usar a tag."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Contexto:"
+
+msgid "Templates:"
+msgstr "Templates:"
+
+msgid "Back to View documentation"
+msgstr "Voltar para a Documentação das Views"
+
+msgid "View documentation"
+msgstr "Ver documentação"
+
+msgid "Jump to namespace"
+msgstr "Ir para namespace"
+
+msgid "Empty namespace"
+msgstr "Namespace vazio"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Views por namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Views por namespace vazio"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"View função: <code>%(full_name)s</code>. Nome: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filtro:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "App %(app_label)r não encontrado"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r não encontrado na aplicação %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "o objeto `%(app_label)s.%(data_type)s` relacionado"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objetos `%(app_label)s.%(object_name)s` relacionados"
+
+#, python-format
+msgid "all %s"
+msgstr "todos %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "número de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s não aparenta ser um objeto urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b7f58b68
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8fd150ee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,288 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bogdan Mateescu, 2018-2019
+# Daniel Ursache-Dogariu, 2011
+# Denis Darii <denis.darii@gmail.com>, 2014
+# Eugenol Man <neatusebastian@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2015-2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-15 11:18+0000\n"
+"Last-Translator: Eugenol Man <neatusebastian@gmail.com>\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Administrative Documentation"
+msgstr "Documentație Administrativă"
+
+msgid "Home"
+msgstr "Acasă"
+
+msgid "Documentation"
+msgstr "Documentație"
+
+msgid "Bookmarklets"
+msgstr "Semne de carte"
+
+msgid "Documentation bookmarklets"
+msgstr "Semne de carte pentru documentație"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Pentru a instala semne de carte, trageți link-ul în bara de semne de carte, "
+"sau clic dreapta pe link și adăugați la semnele de carte. Acum puteți "
+"selecta semnul de carte din orice pagină."
+
+msgid "Documentation for this page"
+msgstr "Documentație pentru pagina aceasta"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Vă trimite de la orice pagină către documentația pentru codul de afișare "
+"care generează acea pagină."
+
+msgid "Tags"
+msgstr "Taguri"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista tuturor tagurilor din șabloane și funcțiile lor."
+
+msgid "Filters"
+msgstr "Filtre"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtrele sunt acțiuni care pot fi aplicate variabilelor într-un șablon "
+"pentru a altera rezultatul."
+
+msgid "Models"
+msgstr "Modele"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modelele sunt descrieri ale tuturor obiectelor în sistem și a câmpurilor "
+"asociate ale acestora. Fiecare model are o listă de câmpuri care pot fi "
+"accesate ca variabile în șabloane."
+
+msgid "Views"
+msgstr "Coduri de afișare"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Fiecare pagină din pagina web este generată de un cod de afișare. Codul de "
+"afișare definește ce șablon este utlizat la generarea paginii și ce obiecte "
+"sunt disponibile acelui șablon."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Instrumente pentru browser pentru accesarea rapidă a funcționalității de "
+"administrare."
+
+msgid "Please install docutils"
+msgstr "Instalați vă rugăm docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Sistemul de documentație administrativă are nevoie de librăria Python <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "Rugați administratorii să instaleze <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Câmpuri"
+
+msgid "Field"
+msgstr "Câmp"
+
+msgid "Type"
+msgstr "Tip"
+
+msgid "Description"
+msgstr "Descriere"
+
+msgid "Methods with arguments"
+msgstr "Metode cu argumente"
+
+msgid "Method"
+msgstr "Metodă"
+
+msgid "Arguments"
+msgstr "Argumente"
+
+msgid "Back to Model documentation"
+msgstr "Înapoi la Documentația Modelelor"
+
+msgid "Model documentation"
+msgstr "Documentația modelelor"
+
+msgid "Model groups"
+msgstr "Grupuri de modele"
+
+msgid "Templates"
+msgstr "Șabloane"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Șablonul: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Template: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Calea de căutare pentru template <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(inexistent)"
+
+msgid "Back to Documentation"
+msgstr "Înapoi la Documentație"
+
+msgid "Template filters"
+msgstr "Filtre pentru șabloane"
+
+msgid "Template filter documentation"
+msgstr "Documentația filtrelor pentru șabloane"
+
+msgid "Built-in filters"
+msgstr "Filtre implicite"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Pentru a utiliza aceste filtre, puneți <code>%(code)s</code> în șablon "
+"înainte de utilizarea acestui filtru."
+
+msgid "Template tags"
+msgstr "Taguri pentru șabloane"
+
+msgid "Template tag documentation"
+msgstr "Documentația tagurilor pentru șabloane"
+
+msgid "Built-in tags"
+msgstr "Taguri implicite"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Pentru a utiliza aceste taguri, puneți <code>%(code)s</code> în șablon "
+"înainte de a utiliza tagul."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Cod de afișare: %(name)s"
+
+msgid "Context:"
+msgstr "Context:"
+
+msgid "Templates:"
+msgstr "Șablonuri:"
+
+msgid "Back to View documentation"
+msgstr "Înapoi la Documentația Codurilor de afișare"
+
+msgid "View documentation"
+msgstr "Vezi documentația"
+
+msgid "Jump to namespace"
+msgstr "Mergeți la spațiul de nume"
+
+msgid "Empty namespace"
+msgstr "Spațiu de nume gol"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Coduri de afișare după spațiul de nume %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Coduri de afișare după spațiu de nume gol"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Funcția din codul de afișare: <code>%(full_name)s</code>. Nume: <code>"
+"%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filtru:"
+
+msgid "view:"
+msgstr "cod de afișare:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Aplicația %(app_label)r nu a fost găsită"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modelul %(model_name)r nu a fost găsit în aplicația %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "obiectul înrudit `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "obiectele înrudite `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "toate %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "numărul de %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s nu pare a fi un obiect urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..21931a6d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ru/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0f7e30f5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,292 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eugene <eugene.mechanism@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Panasoft, 2021
+# SeryiMysh <vital@dorokhin.kz>, 2020
+# Алексей Борискин <sun.void@gmail.com>, 2012-2015
+# Андрей Щуров <shurov9009@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-16 22:51+0000\n"
+"Last-Translator: Panasoft\n"
+"Language-Team: Russian (http://www.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Документация для администраторов"
+
+msgid "Home"
+msgstr "Начало"
+
+msgid "Documentation"
+msgstr "Документация"
+
+msgid "Bookmarklets"
+msgstr "Закладки"
+
+msgid "Documentation bookmarklets"
+msgstr "Закладки документации"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Чтобы установить букмарклет, перетащите ссылку на панель закладок браузера "
+"или откройте кликом по правой кнопке мышки контекстное меню и добавьте "
+"ссылку в закладки. Теперь у вас есть доступ к букмарклету с любой страницы "
+"сайта."
+
+msgid "Documentation for this page"
+msgstr "Документация для данной страницы"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Перенаправляет вас с любой страницы к документации для view, который "
+"генерирует эту страницу."
+
+msgid "Tags"
+msgstr "Теги"
+
+msgid "List of all the template tags and their functions."
+msgstr "Список всех template tag-ов и их функций."
+
+msgid "Filters"
+msgstr "Фильтры"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Фильтры - это действия, которые могут быть выполнены над переменными в "
+"шаблоне, чтобы изменить их отображение."
+
+msgid "Models"
+msgstr "Модели"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Модели - это описания всех объектов, существующих в системе и связанные с "
+"ними поля. Каждая модель имеет список полей, которые могут быть использованы "
+"в качестве переменных в шаблонах"
+
+msgid "Views"
+msgstr "View"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Каждая страница сайта создаётся с помощью view. View определяет, какой "
+"шаблон использовать, чтобы создать страницу и какие объекты будут доступны в "
+"этом шаблоне."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Инструменты для вашего браузера для быстрого доступа к функциональности "
+"административного раздела сайта (букмарклеты)."
+
+msgid "Please install docutils"
+msgstr "Пожалуйста, установите docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Для системы административной документации требуется библиотека Python <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Пожалуйста, попросите ваших администраторов установить <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Модель: %(name)s"
+
+msgid "Fields"
+msgstr "Поля"
+
+msgid "Field"
+msgstr "Поле"
+
+msgid "Type"
+msgstr "Тип"
+
+msgid "Description"
+msgstr "Описание"
+
+msgid "Methods with arguments"
+msgstr "Методы с аргументами"
+
+msgid "Method"
+msgstr "Метод"
+
+msgid "Arguments"
+msgstr "Аргументы"
+
+msgid "Back to Model documentation"
+msgstr "Назад к документации моделей"
+
+msgid "Model documentation"
+msgstr "Документация моделей"
+
+msgid "Model groups"
+msgstr "Группы моделей"
+
+msgid "Templates"
+msgstr "Шаблоны"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Шаблон: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Шаблон: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Путь к местонахождению шаблона <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(не существует)"
+
+msgid "Back to Documentation"
+msgstr "Назад к документации"
+
+msgid "Template filters"
+msgstr "Фильтры в шаблонах"
+
+msgid "Template filter documentation"
+msgstr "Документация о фильтрах в шаблонах"
+
+msgid "Built-in filters"
+msgstr "Встроенные фильтры"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Чтобы использовать эти фильтры, поместите <code>%(code)s</code> в ваш шаблон "
+"выше строки с использованием фильтра."
+
+msgid "Template tags"
+msgstr "Теги шаблонов"
+
+msgid "Template tag documentation"
+msgstr "Документация по тегам шаблонов"
+
+msgid "Built-in tags"
+msgstr "Встроенные теги"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Чтобы использовать эти теги, поместите <code>%(code)s</code> в ваш шаблон "
+"выше строки с использованием тега."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Контекст:"
+
+msgid "Templates:"
+msgstr "Шаблоны:"
+
+msgid "Back to View documentation"
+msgstr "Назад к документации о представлений"
+
+msgid "View documentation"
+msgstr "Документация о view"
+
+msgid "Jump to namespace"
+msgstr "Перейти к пространству имён"
+
+msgid "Empty namespace"
+msgstr "Глобальное пространство имён"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "View в пространстве имён %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "View в глобальном пространстве имён"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"View-функция: <code>%(full_name)s</code>. Имя url-шаблона: <code>"
+"%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "тег:"
+
+msgid "filter:"
+msgstr "фильтр:"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Приложение «%(app_label)r» не найдено"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Модель %(model_name)r не найдена в приложении %(app_label)r"
+
+msgid "model:"
+msgstr "модель:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "зависимый `%(app_label)s.%(data_type)s` объект"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "связанные объекты `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "все %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "количество %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s не похож на объект urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3cc3702c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..18448d15
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 18f25ad6fa9930fc67cb11aca9d16a27, 2012-2013
+# Marian Andre <marian@andre.sk>, 2012-2013,2015,2017
+# Martin Tóth <ezimir@gmail.com>, 2017,2023
+# Peter Kuma, 2021
+# supowski <supowski@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 20:19+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Správcovská dokumentácia"
+
+msgid "Home"
+msgstr "Domov"
+
+msgid "Documentation"
+msgstr "Dokumentácia"
+
+msgid "Bookmarklets"
+msgstr "Záložky"
+
+msgid "Documentation bookmarklets"
+msgstr "Záložky dokumentácie"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Na nainštalovanie bookmarkletov, pretiahnite odkaz váš panel so záložkami, "
+"alebo kliknite pravým tlačidlom na odkaz a pridajte ho do vašich záložiek. "
+"Teraz si môžete vybrať bookmarklet z ľubovoľnej stránky na sídle."
+
+msgid "Documentation for this page"
+msgstr "Dokumentácia pre túto stránku"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Nasmeruje vás z ľubovoľnej stránky do dokumentácie, kde je popísané, ako sa "
+"táto stránka generuje."
+
+msgid "Tags"
+msgstr "Značky"
+
+msgid "List of all the template tags and their functions."
+msgstr "Zoznam všetkých šablónových značiek a ich funkcií."
+
+msgid "Filters"
+msgstr "Filtre"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtre su akcie, ktoré môžu byť aplikované na premenné v šablóne, aby "
+"zmenili ich výstup."
+
+msgid "Models"
+msgstr "Modely"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modely sú popisom všetkých objektov v systéme a ich pridružených polí. Každý "
+"model má zoznam polí, ktoré sú dostupné ako premenné v šablónach."
+
+msgid "Views"
+msgstr "Zobrazenia"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Každá stránka na verejnom sídle je generovaná pomocou pohľadu. Pohľad "
+"definuje, ktorá šablóna sa použije na generovanie stránky, a ktoré objekty "
+"budú v šablóne k dispozícii."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Nástroje pre váš prohliadač k rýchlemu prístupu k funkciám správy stránok."
+
+msgid "Please install docutils"
+msgstr "Prosím, nainštalujte docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+"Dokumentačný systém správy stránok vyžaduje Python knižnicu <a "
+"href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Požiadajte administrátorov o inštaláciu <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Polia"
+
+msgid "Field"
+msgstr "Pole"
+
+msgid "Type"
+msgstr "Typ"
+
+msgid "Description"
+msgstr "Popis"
+
+msgid "Methods with arguments"
+msgstr "Metódy s argumentami"
+
+msgid "Method"
+msgstr "Metódy"
+
+msgid "Arguments"
+msgstr "Argumenty"
+
+msgid "Back to Model documentation"
+msgstr "Späť na dokumentáciu modelov"
+
+msgid "Model documentation"
+msgstr "Dokumentácia modelu"
+
+msgid "Model groups"
+msgstr "Skupiny modelov"
+
+msgid "Templates"
+msgstr "Šablóny"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Šablóna: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Šablóna: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Vyhľadávacia cesta pre šablónu <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(neexistuje)"
+
+msgid "Back to Documentation"
+msgstr "Späť na Dokumentáciu"
+
+msgid "Template filters"
+msgstr "Filtre šablóny"
+
+msgid "Template filter documentation"
+msgstr "Dokumentácia filtrov šablón"
+
+msgid "Built-in filters"
+msgstr "Vstavané filtre"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Na použitie týchto filtrov, vložte <code>%(code)s</code> do vašej šablóny "
+"pred použitím filtra."
+
+msgid "Template tags"
+msgstr "Šablónové značky"
+
+msgid "Template tag documentation"
+msgstr "Dokumentácia šablónových značiek"
+
+msgid "Built-in tags"
+msgstr "Vstavané značky"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Na použitie týchto značiek, vložte <code>%(code)s</code> do vašej šablóny "
+"pred použitím značky."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Pohľad: %(name)s"
+
+msgid "Context:"
+msgstr "Kontext:"
+
+msgid "Templates:"
+msgstr "Šablóny:"
+
+msgid "Back to View documentation"
+msgstr "Späť na dokumentáciu pohľadov"
+
+msgid "View documentation"
+msgstr "Dokumentácia pohľadov"
+
+msgid "Jump to namespace"
+msgstr "Prejsť na menný priestor"
+
+msgid "Empty namespace"
+msgstr "Prázdny menný priestor"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Pohľady podľa menného priestoru %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Pohľady podľa prázdneho menného priestoru"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Funkcia pohľadu: <code>%(full_name)s</code>. Názov: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "značka:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "pohľad:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Applikácia %(app_label)r nenájdená"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r sa v aplikácii %(app_label)r nenachádza"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "súvisiaci objekt `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "súvisiace objekty `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "všetky %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "počet %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s nevyzerá ako urlpattern objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cc2764f2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1cb6abcc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Primož Verdnik <primoz.verdnik@gmail.com>, 2017
+# zejn <zejn@kiberpipa.org>, 2013,2016
+# zejn <zejn@kiberpipa.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Primož Verdnik <primoz.verdnik@gmail.com>\n"
+"Language-Team: Slovenian (http://www.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Dokumentacija o administraciji"
+
+msgid "Home"
+msgstr "Domov"
+
+msgid "Documentation"
+msgstr "Dokumentacija"
+
+msgid "Bookmarklets"
+msgstr "Apleti zaznamkov"
+
+msgid "Documentation bookmarklets"
+msgstr "Dokumentacijski apleti zaznamkov"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Aplete zaznamkov je mogoče namestiti z vleko povezave v orodno vrstico z "
+"zaznamki, ali pa z desnim klikom na povezavo. Zaznamek je mogoče izbrati s "
+"katerekoli strani tega spletnega mesta."
+
+msgid "Documentation for this page"
+msgstr "Dokumentacija te strani"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "Skok na stran z dokumentacijo za pogled, ki gustvarja trenutno stran."
+
+msgid "Tags"
+msgstr "Oznake"
+
+msgid "List of all the template tags and their functions."
+msgstr "Izpiši vse značke za predloge in njihov opis."
+
+msgid "Filters"
+msgstr "Filtri"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtri so opravila, ki jih lahko uporabite na spremenljivkah v predlogah, da "
+"spremenite izpis."
+
+msgid "Models"
+msgstr "Modeli"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeli so opisi vseh objektov v sistemu in njihovih pripadajočih polj. Vsak "
+"model ima seznam polj, do katerih lahko dostopate v predlogi"
+
+msgid "Views"
+msgstr "Pogledi"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Vsaka stran na javni strani je zgenerirana iz pogleda. Pogled definira "
+"katera predloga je uporabljena za generiranje strani in kateri objekti so "
+"dostopni ti predlogi."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Orodja za vaš brskalnik, da lahko hitro dostopate do administracijskih "
+"funkcij."
+
+msgid "Please install docutils"
+msgstr "Prosimo namestite paket docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Dokumentcijski sistem administracijskega vmesnika zahteva knjižnico <a href="
+"\"%(link)s\">docutils</a> za Python."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Prosimo povprašajte administratorja, da namesti <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Polja"
+
+msgid "Field"
+msgstr "Polje"
+
+msgid "Type"
+msgstr "Tip"
+
+msgid "Description"
+msgstr "Opis"
+
+msgid "Methods with arguments"
+msgstr "Metode z argumenti"
+
+msgid "Method"
+msgstr "Metoda"
+
+msgid "Arguments"
+msgstr "Argumenti"
+
+msgid "Back to Model documentation"
+msgstr "Nazaj na dokumentacijo modelov"
+
+msgid "Model documentation"
+msgstr "Dokumentacija modelov"
+
+msgid "Model groups"
+msgstr "Skupine modelov"
+
+msgid "Templates"
+msgstr "Predloge"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Predloga: %(name)s"
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr "Predloga: \"%(name)s\""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr "Poti iskanja za predlogo \"%(name)s\":"
+
+msgid "(does not exist)"
+msgstr "(ne obstaja)"
+
+msgid "Back to Documentation"
+msgstr "Nazaj na dokumentacijo"
+
+msgid "Template filters"
+msgstr "Filtri v predlogah"
+
+msgid "Template filter documentation"
+msgstr "Dokumentacija filtrov v predlogah"
+
+msgid "Built-in filters"
+msgstr "Vgrajeni filtri"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Če želite uporabiti te filtre, dodajte <code>%(code)s</code> v vašo predlogo "
+"preden uporabite filter."
+
+msgid "Template tags"
+msgstr "Značke v predlogah"
+
+msgid "Template tag documentation"
+msgstr "Dokumentacija značk v predlogah"
+
+msgid "Built-in tags"
+msgstr "Vgrajene značke"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Če želite uporabiti te značke, dodajte <code>%(code)s</code> v vašo predlogo "
+"preden uporabite značko."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Pogled: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Predloge:"
+
+msgid "Back to View documentation"
+msgstr "Nazaj na dokumentacijo pogledov"
+
+msgid "View documentation"
+msgstr "Dokumentacija pogledov"
+
+msgid "Jump to namespace"
+msgstr "Skoči na imenski prostor"
+
+msgid "Empty namespace"
+msgstr "Prazen imenski prostor"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Pogledi v imenskem prostoru %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Pogledi brez imenskega prostora"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Funkcija pogleda: <code>%(full_name)s</code>. Ime: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "oznaka:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "pogled:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Applikacije %(app_label)r ni bilo mogoče najti"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modela %(model_name)r ni v programu %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "povezani predmet `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "povezani predmeti `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "vse %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "število %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "Predmet %s ni videti veljaven predmet urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1ff898e9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sq/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..54a52330
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,283 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik Bleta <besnik@programeshqip.org>, 2011,2015
+# Besnik Bleta <besnik@programeshqip.org>, 2021
+# Besnik Bleta <besnik@programeshqip.org>, 2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 13:31+0000\n"
+"Last-Translator: Besnik Bleta <besnik@programeshqip.org>\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Dokumentim Administrimi"
+
+msgid "Home"
+msgstr "Hyrje"
+
+msgid "Documentation"
+msgstr "Dokumentim"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklet-e"
+
+msgid "Documentation bookmarklets"
+msgstr "Bookmarklet-e Dokumentimi"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Që të instaloni bookmarklet-e, tërhiqeni lidhjen te paneli juaj i "
+"faqerojtësve, ose djathtasklikoni lidhjen dhe shtojeni te faqerojtësit tuaj. "
+"Tani mund ta përzgjidhni bookmarklet-in prej cilësdo faqe te sajti."
+
+msgid "Documentation for this page"
+msgstr "Dokumentim për këtë faqe"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "Nga cilado faqe, ju kalon te dokumenti për skenën që prodhon atë faqe."
+
+msgid "Tags"
+msgstr "Etiketa"
+
+msgid "List of all the template tags and their functions."
+msgstr "listë e krejt etiketave të gjedheve dhe funksionet e tyre."
+
+msgid "Filters"
+msgstr "Filtra"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filtrat janë veprime që mund të zbatohen mbi ndryshoret në një gjedhe për të "
+"ndryshuar përfundimet e saj."
+
+msgid "Models"
+msgstr "Modele"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modelet janë përshkrime të krejt objekteve në sistem dhe fushave "
+"përshoqëruar me to. Çdo model ka një listë fushash të cilat mund të përdoren "
+"si ndryshore gjedheje"
+
+msgid "Views"
+msgstr "Skena"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Çdo faqe në sajtin publik prodhohet nga ajo që quhet skenë. Skena përcakton "
+"cila gjedhe përdoret për të prodhuar faqen dhe cilët objekte mund të kihen "
+"për atë gjedhe."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Mjete që shfletuesi juaj të përdorë me shpejtësi funksione administrimi."
+
+msgid "Please install docutils"
+msgstr "Ju lutemi, instaloni docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Sistemi i dokumentimit për përgjegjësin lyp librarinë Python <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Ju lutemi, kërkojuni përgjegjësve të sistemit të instalojnë <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Fusha"
+
+msgid "Field"
+msgstr "Fushë"
+
+msgid "Type"
+msgstr "Lloj"
+
+msgid "Description"
+msgstr "Përshkrim"
+
+msgid "Methods with arguments"
+msgstr "Metoda me argumente"
+
+msgid "Method"
+msgstr "Metodë"
+
+msgid "Arguments"
+msgstr "Argumente"
+
+msgid "Back to Model documentation"
+msgstr "Mbrapsht te dokumentim Modeli"
+
+msgid "Model documentation"
+msgstr "Dokumentim modeli"
+
+msgid "Model groups"
+msgstr "Grupe modeli"
+
+msgid "Templates"
+msgstr "Gjedhe"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Gjedhe: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Gjedhe: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Shteg kërkimi për gjedhen <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(nuk ekziston)"
+
+msgid "Back to Documentation"
+msgstr "Mbrapsht te Dokumentimi"
+
+msgid "Template filters"
+msgstr "Filtra gjedhesh"
+
+msgid "Template filter documentation"
+msgstr "Dokumentim filtrash gjedheje"
+
+msgid "Built-in filters"
+msgstr "Filtra të brendshëm"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Për të përdorur këta filtra, vendosni te gjedhja juaj <code>%(code)s</code> "
+"përpara se të përdorni filtrin."
+
+msgid "Template tags"
+msgstr "Etiketa gjedhesh"
+
+msgid "Template tag documentation"
+msgstr "Dokumentim etiketash gjedheje"
+
+msgid "Built-in tags"
+msgstr "Etiketa të brendshme"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Për të përdorur këto etiketa, vendosni te gjedhja juaj <code>%(code)s</code> "
+"përpara se të përdorni etiketën."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Skenë: %(name)s"
+
+msgid "Context:"
+msgstr "Kontekst:"
+
+msgid "Templates:"
+msgstr "Gjedhe:"
+
+msgid "Back to View documentation"
+msgstr "Mbrapsht te dokumentim Parjeje"
+
+msgid "View documentation"
+msgstr "Dokumentim skenash"
+
+msgid "Jump to namespace"
+msgstr "Kalo te emërhapësira"
+
+msgid "Empty namespace"
+msgstr "Emërhapësirë e zbrazët"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Skena me emërhapësirë %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Skena me emërhapësirë të zbrazët"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Funksion skene: <code>%(full_name)s</code>. Emër: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "etiketë:"
+
+msgid "filter:"
+msgstr "filtër:"
+
+msgid "view:"
+msgstr "skenë:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "S’u gjet dot aplikacioni %(app_label)r"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "S’u gjet modeli %(model_name)r në aplikacionin %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "objekti i afërt `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "objektet e afërta `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "krejt %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "numër i %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s s’duket se është objekt urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3fe888e8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6bc596ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Igor Jerosimić, 2019,2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 20:19+0000\n"
+"Last-Translator: Igor Jerosimić, 2019,2023\n"
+"Language-Team: Serbian (http://app.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Administrative Documentation"
+msgstr "Административна документација"
+
+msgid "Home"
+msgstr "Почетна"
+
+msgid "Documentation"
+msgstr "Документација"
+
+msgid "Bookmarklets"
+msgstr "Букмарклети"
+
+msgid "Documentation bookmarklets"
+msgstr "Букмарклети документације"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Да бисте инсталирали обележиваче, превуците везу на траку са алаткама за "
+"обележиваче или кликните десним тастером миша на везу и додајте је у "
+"обележиваче. Сада можете да изаберете боокмарклет са било које странице на "
+"сајту."
+
+msgid "Documentation for this page"
+msgstr "Документација за ову страницу"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Води од било које странице до документације погледа који је генерисао ту "
+"страницу."
+
+msgid "Tags"
+msgstr "Тагови"
+
+msgid "List of all the template tags and their functions."
+msgstr "Листа свих ознака шаблона и њихових функција."
+
+msgid "Filters"
+msgstr "Филтери"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Филтери су радње које се могу применити на променљиве у шаблону да би се "
+"променио излаз."
+
+msgid "Models"
+msgstr "Модели"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Модели су описи свих објеката у систему и њихових повезаних поља. Сваки "
+"модел има листу поља којима се може приступити као променљиве шаблона"
+
+msgid "Views"
+msgstr "Погледи"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Сваку страницу на јавном сајту генерише поглед. Поглед дефинише који шаблон "
+"се користи за генерисање странице и који објекти су доступни том шаблону."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "Алатке за ваш претраживач за брзи приступ функцијама администратора."
+
+msgid "Please install docutils"
+msgstr "Молимо инсталирајте docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+"Систем административне документације захтева Пајтон <a "
+"href=\"%(link)s\">docutils</a> библиотеку."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Замолите своје администраторе да инсталирају <a href=\"%(link)s\">docutils</"
+"a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Модел: %(name)s"
+
+msgid "Fields"
+msgstr "Поља"
+
+msgid "Field"
+msgstr "Поље"
+
+msgid "Type"
+msgstr "Тип"
+
+msgid "Description"
+msgstr "Опис"
+
+msgid "Methods with arguments"
+msgstr "Метода са аргументима"
+
+msgid "Method"
+msgstr "Метод"
+
+msgid "Arguments"
+msgstr "Аргументи"
+
+msgid "Back to Model documentation"
+msgstr "Назад на документацију о Моделима"
+
+msgid "Model documentation"
+msgstr "Документација о Моделима"
+
+msgid "Model groups"
+msgstr "Групе модела"
+
+msgid "Templates"
+msgstr "Шаблони"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Шаблон: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Шаблон: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Путања за тражење шаблона <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(не постоји)"
+
+msgid "Back to Documentation"
+msgstr "Назада на документацију"
+
+msgid "Template filters"
+msgstr "Филтери шаблона"
+
+msgid "Template filter documentation"
+msgstr "Документација филтера шаблона"
+
+msgid "Built-in filters"
+msgstr "Уграђени филтери"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Да бисте користили ове филтере, ставите <code>%(code)s</code> у свој шаблон "
+"пре употребе филтера."
+
+msgid "Template tags"
+msgstr "Ознаке шаблона"
+
+msgid "Template tag documentation"
+msgstr "Документација ознаке шаблона"
+
+msgid "Built-in tags"
+msgstr "Уграђене ознаке"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Да бисте користили ове ознаке, ставите <code>%(code)s</code> у свој шаблон "
+"пре употребе ознаке."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Поглед: %(name)s"
+
+msgid "Context:"
+msgstr "Контекст:"
+
+msgid "Templates:"
+msgstr "Шаблони:"
+
+msgid "Back to View documentation"
+msgstr "Назад на документацију о погледима"
+
+msgid "View documentation"
+msgstr "Документација о погледима"
+
+msgid "Jump to namespace"
+msgstr "Скочи на именски простор"
+
+msgid "Empty namespace"
+msgstr "Празан именски простор"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Погледи по именском простору %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Погледи по празном именском простору"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Функција погледа: <code>%(full_name)s</code>. Име: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "таг:"
+
+msgid "filter:"
+msgstr "филтер:"
+
+msgid "view:"
+msgstr "поглед:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Апликација %(app_label)r није пронађена"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Модел %(model_name)r није пронађен у апликацији %(app_label)r"
+
+msgid "model:"
+msgstr "модел:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "повезани објекти класе `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "класе `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "сви повезани објекти %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "број повезаних објеката %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s не изгледа као „urlpattern“ објекат"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cfa870b9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr_Latn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d8cb1cbe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,271 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 20:19+0000\n"
+"Last-Translator: Igor Jerosimić, 2023\n"
+"Language-Team: Serbian (Latin) (http://app.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Administrative Documentation"
+msgstr "Administrativna dokumentacija"
+
+msgid "Home"
+msgstr "Početna"
+
+msgid "Documentation"
+msgstr "Dokumentacija"
+
+msgid "Bookmarklets"
+msgstr "Bukmarkleti"
+
+msgid "Documentation bookmarklets"
+msgstr "Bukmarkleti dokumentacije"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Da biste instalirali obeleživače, prevucite vezu na traku sa alatkama za "
+"obeleživače ili kliknite desnim tasterom miša na vezu i dodajte je u "
+"obeleživače. Sada možete da izaberete bookmarklet sa bilo koje stranice na "
+"sajtu."
+
+msgid "Documentation for this page"
+msgstr "Dokumentacija za ovu stranicu"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Vodi od bilo koje stranice do dokumentaicje pogleda koji je generisao tu "
+"stranicu."
+
+msgid "Tags"
+msgstr "Tagovi"
+
+msgid "List of all the template tags and their functions."
+msgstr "Lista svih oznaka šablona i njihovih funkcija."
+
+msgid "Filters"
+msgstr "Filteri"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filteri su radnje koje se mogu primeniti na promenljive u šablonu da bi se "
+"promenio izlaz."
+
+msgid "Models"
+msgstr "Modeli"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeli su opisi svih objekata u sistemu i njihovih povezanih polja. Svaki "
+"model ima listu polja kojima se može pristupiti kao promenljive šablona"
+
+msgid "Views"
+msgstr "Vjuevi"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Šabloni"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "tag:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "vju:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r nije pronađen u aplikaciji %(app_label)r"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "povezani objekti klase `%(app_label)s.%(data_type)s`"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "klase `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "svi povezani objekti %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "broj povezanih objekata %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ne izgleda kao „urlpattern“ objekat"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d20b69b4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fe363505
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,288 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Albin Larsson <albin.post@gmail.com>, 2022
+# Andreas Pelme <andreas@pelme.se>, 2012,2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2014
+# Petter Strandmark <petter.strandmark@gmail.com>, 2019
+# Thomas Lundqvist, 2013
+# Tomas Lööw <tomas.loow@mailbox.org>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2022-07-24 20:19+0000\n"
+"Last-Translator: Albin Larsson <albin.post@gmail.com>\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Dokumentation för admin"
+
+msgid "Home"
+msgstr "Hem"
+
+msgid "Documentation"
+msgstr "Dokumentation"
+
+msgid "Bookmarklets"
+msgstr "Smarta bokmärken"
+
+msgid "Documentation bookmarklets"
+msgstr "Smarta bokmärken för dokumentation"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"För att installera bookmarklets, dra länken till din verkygsrad för "
+"bokmärken, eller högerklicka på länken och lägg till den till dina "
+"bokmärken. Nu kan du välja din bookmarklet från vilken sida som helst."
+
+msgid "Documentation for this page"
+msgstr "Dokumentation för denna sida"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Förflyttar dig från valfri sida till dokumentationen för vyn som genererar "
+"den sidan."
+
+msgid "Tags"
+msgstr "Taggar"
+
+msgid "List of all the template tags and their functions."
+msgstr "En lista på alla malltaggar och deras funktioner."
+
+msgid "Filters"
+msgstr "Filter"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Filter är åtgärder som kan appliceras på variabler i en mall för att ändra "
+"utmatningen."
+
+msgid "Models"
+msgstr "Modeller"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeller är beskrivningar av alla objekt i systemet och deras tillhörande "
+"fält. Varje modell har en lista av fält som kan kommas åt som variabler i "
+"mallen."
+
+msgid "Views"
+msgstr "Vyer"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Varje sida på den publika sidan är genererad av en vy. Vyn definierar vilka "
+"mallar som används för att generera sidan samt vilka objekt som är "
+"tillgängliga i den mallen."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Verktyg till din webbläsare för snabb tillgång till "
+"administrationsfunktioner."
+
+msgid "Please install docutils"
+msgstr "Vänligen installera docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Administrationsdokumentationen kräver Pythons <a href=\"%(link)s\">docutils</"
+"a> bibliotek."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Vänligen be din administratör installera <a href=\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Modell: %(name)s"
+
+msgid "Fields"
+msgstr "Fält"
+
+msgid "Field"
+msgstr "Fält"
+
+msgid "Type"
+msgstr "Typ"
+
+msgid "Description"
+msgstr "Beskrivning"
+
+msgid "Methods with arguments"
+msgstr "Metod med argument"
+
+msgid "Method"
+msgstr "Metod"
+
+msgid "Arguments"
+msgstr "Argument"
+
+msgid "Back to Model documentation"
+msgstr "Tillbaka till modell-dokumentation"
+
+msgid "Model documentation"
+msgstr "Modelldokumentation"
+
+msgid "Model groups"
+msgstr "Modellgrupper"
+
+msgid "Templates"
+msgstr "Mallar"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Mall: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Mall:<q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Sökvägen för mall <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(finns inte)"
+
+msgid "Back to Documentation"
+msgstr "Tillbaka till dokumentation"
+
+msgid "Template filters"
+msgstr "Mallfilter"
+
+msgid "Template filter documentation"
+msgstr "Mallfilterdokumentation"
+
+msgid "Built-in filters"
+msgstr "Inbyggda filter"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"För att använda dessa filter, lägg till <code>%(code)s</code> innan du "
+"använder filtret i din mall."
+
+msgid "Template tags"
+msgstr "Malltaggar"
+
+msgid "Template tag documentation"
+msgstr "Malltaggdokumentation"
+
+msgid "Built-in tags"
+msgstr "Inbyggda taggar"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"För att använda dessa taggar, lägg till <code>%(code)s</code> innan du "
+"använder taggen i din mall."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Vy: %(name)s"
+
+msgid "Context:"
+msgstr "Kontext:"
+
+msgid "Templates:"
+msgstr "Mallar:"
+
+msgid "Back to View documentation"
+msgstr "Tillbaka till vy-dokumentation"
+
+msgid "View documentation"
+msgstr "Titta på dokumentationen"
+
+msgid "Jump to namespace"
+msgstr "Hoppa till namespace"
+
+msgid "Empty namespace"
+msgstr "Tom namespace"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Vyer för namespace %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Vyer för tom namespace"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Vyfunktion: <code>%(full_name)s</code>. Namn: <code>%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "tagg:"
+
+msgid "filter:"
+msgstr "filter:"
+
+msgid "view:"
+msgstr "vy:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Applikation %(app_label)r hittades inte"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modell %(model_name)r hittades inte i applikation %(app_label)r"
+
+msgid "model:"
+msgstr "modell:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "det relaterade `%(app_label)s.%(data_type)s`-objektet"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "relaterade `%(app_label)s.%(object_name)s`-objekt"
+
+#, python-format
+msgid "all %s"
+msgstr "alla %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "antal %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s verkar inte vara ett urlpattern-objekt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..349f77be
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sw/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3a9e2fda
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,259 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Sebule"
+
+msgid "Documentation"
+msgstr "Waraka"
+
+msgid "Bookmarklets"
+msgstr "Vialamisho"
+
+msgid "Documentation bookmarklets"
+msgstr "Vialamisho vya waraka"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Nyaraka kwa ajili ya ukurasa huu"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Inakurusha kutoka ukurasa wowote hadi kwenye waraka wa mounekano unaozalisha "
+"ukurasa huo."
+
+msgid "Tags"
+msgstr "Tagi"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Chujio"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Modeli"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Mionekano"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Templeti"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "tagi"
+
+msgid "filter:"
+msgstr "chujio"
+
+msgid "view:"
+msgstr "muonekano"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Modeli %(model_name)r haijapatikana katika programu %(app_label)r"
+
+msgid "model:"
+msgstr "modeli"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "`%(app_label)s.%(data_type)s` kinachohusiana"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "`%(app_label)s.%(object_name)s` vinavyohusiana"
+
+#, python-format
+msgid "all %s"
+msgstr "kila %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "idadi ya %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s haionekani kuwa ni kitu cha urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..acf0768d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c0ca3d98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/django/django/language/ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "வீடு"
+
+msgid "Documentation"
+msgstr "ஆவனமாக்கம்"
+
+msgid "Bookmarklets"
+msgstr "புத்தகக்குறிகள்"
+
+msgid "Documentation bookmarklets"
+msgstr "ஆவணமாக்கக் குறியீடுகள்"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "இந்த பக்கத்திற்கான ஆவணம்"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"எந்த ஒரு பக்கத்திலிருந்தும் ஆவணப்பக்கத்தை பார்வையிடுதல், அந்த பக்கத்தை உருவாக்குகிறது."
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ஒட்டு:"
+
+msgid "filter:"
+msgstr "வடிகட்டி:"
+
+msgid "view:"
+msgstr "நோற்றமிடு:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr "மாதிரி:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr "அனைத்து %s "
+
+#, python-format
+msgid "number of %s"
+msgstr "எண்ணிக்கை %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s -ல் urlpattern தோன்றுவதில்லை"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..eb865257
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b03f0b3f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# bhaskar teja yerneni <prudhviy@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "నివాసము"
+
+msgid "Documentation"
+msgstr "పత్రికీకరణ"
+
+msgid "Bookmarklets"
+msgstr "నిర్దుష్ట గుర్తులు "
+
+msgid "Documentation bookmarklets"
+msgstr "పత్రికీకరణ యొక్క నిర్దుష్ట గుర్తులు "
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "ఈ పొరటుకు పత్రికీకరణ"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "టాగ్:"
+
+msgid "filter:"
+msgstr "వడపోత:"
+
+msgid "view:"
+msgstr "దర్శనం:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr "మొడల్:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "సంబంధించిన `%(app_label)s.%(data_type)s` అంశము"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "సంబంధించిన `%(app_label)s.%(object_name)s` వస్తువులు"
+
+#, python-format
+msgid "all %s"
+msgstr "ఆన్నీ  %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s సంఖ్య"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s యు ఆర్ యల్  నిర్మాణక్రమ అంశము లా లేదు "
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f906516f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..58fdd307
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,281 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-15 00:08+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Хуччатгузории рохбарият"
+
+msgid "Home"
+msgstr "Асосӣ"
+
+msgid "Documentation"
+msgstr "Хуҷҷатгузорӣ"
+
+msgid "Bookmarklets"
+msgstr "Гузориш"
+
+msgid "Documentation bookmarklets"
+msgstr "Хуҷҷатгузорӣ"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Барои ба панели гузоришот ворид сохтани сурогаи сомонаи мазкур ба равзанаи "
+"гузоришот ,бо пахши тугмаи чапи муш сурогаро дохил кунед.Акнун шумо аз "
+"тамоми саҳифаҳои сомона ба ин суроға дастрасӣ пайдо кардед."
+
+msgid "Documentation for this page"
+msgstr "Хуҷҷатгузорӣ барои саҳифаи мазкур"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Аз тамоми саҳифаҳо бв ҳуҷҷатгузории view, ки ин саҳифаро табдил медиҳад, "
+"раҳнамоӣ месозад"
+
+msgid "Tags"
+msgstr "Тегҳо"
+
+msgid "List of all the template tags and their functions."
+msgstr "Руйхати хама template -ҳо ва функқияи онхо"
+
+msgid "Filters"
+msgstr "Поло-ҳо (Filters)"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Полоҳо(Filters) - ин амалиётест ,ки барои тағйирдиҳии инъикоси шаблонҳо иҷро "
+"мешавад"
+
+msgid "Models"
+msgstr "Моделҳо"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Моделҳо - ин рӯйхати ҳамаи объектҳо ва майдонҳои ба онҳо алоқандӣ дар "
+"система мавҷудбуда аст.Ҳар як модел руйхати майдонҳои худро дорад, ки дар "
+"шаблонҳо ба сифати тағйирёбанда истифода бурда мешаванд."
+
+msgid "Views"
+msgstr "View"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Ҳар як саҳифаи сомона тавассути view сохта мешавад. View муайян месозад, ки "
+"кадом шаблон барои сохтанисаҳифа истифода мешавад ва кадом кадом объектҳо "
+"дар он дастрасанд."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Асбобҳо барои браузери шумо, барои дастрасии зуд ба қисми маъмурияти "
+"сомона(Гузоришот)"
+
+msgid "Please install docutils"
+msgstr "Хоҳиш менамоем, docutil-ро танзим(install) кунед"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Барои фаъолияти маъмурияти системаи ҳуҷҷатгузорӣ, бояд пакетҳои <a href="
+"\"%(link)s\">docutils</a> -b Pythonтанзим карда шуда бошанд."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Хоҳишмандем аз маъмурият дархости танзими <a href=\"%(link)s\">docutils</a> -"
+"ро кунед."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Модел: %(name)s"
+
+msgid "Fields"
+msgstr "Майдонҳо"
+
+msgid "Field"
+msgstr "Майдон"
+
+msgid "Type"
+msgstr "Намуд"
+
+msgid "Description"
+msgstr "Тавсиф"
+
+msgid "Methods with arguments"
+msgstr "Усулҳо бо санадҳо"
+
+msgid "Method"
+msgstr "Усул"
+
+msgid "Arguments"
+msgstr "Санадҳо"
+
+msgid "Back to Model documentation"
+msgstr "Ба қафо, ба қисми ҳуҷҷатгузории моделҳо"
+
+msgid "Model documentation"
+msgstr "Ҳуҷҷатгузории моделҳо"
+
+msgid "Model groups"
+msgstr "Гурӯҳы моделҳо"
+
+msgid "Templates"
+msgstr "Нусхаҳо"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Нусхаи: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr "(вуҷуд надорад)"
+
+msgid "Back to Documentation"
+msgstr "Ба қафо, ба қисми ҳуҷҷатгузорӣ"
+
+msgid "Template filters"
+msgstr "Полоҳо(Filters)-и нусхаҳо"
+
+msgid "Template filter documentation"
+msgstr "Нусхаи ҳуҷҷатгузории полоҳо"
+
+msgid "Built-in filters"
+msgstr "Бо полоҳо(filters) сохташуда."
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Барои истифодаи ин поло(filter), <code>%(code)s</code> - ро дар нусхаи худ "
+"бо истифода аз полоҳо (Filters) ҷой диҳед."
+
+msgid "Template tags"
+msgstr "Теги шаблонов"
+
+msgid "Template tag documentation"
+msgstr "Ҳуҷатгузории нусхаи тегҳо"
+
+msgid "Built-in tags"
+msgstr "Тегҳои сохташуда"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "View: %(name)s"
+
+msgid "Context:"
+msgstr "Контекст:"
+
+msgid "Templates:"
+msgstr "Нусхаҳо:"
+
+msgid "Back to View documentation"
+msgstr "Ба қафо ба қисми намоиш(View)"
+
+msgid "View documentation"
+msgstr "Ҳуҷҷатгузории view"
+
+msgid "Jump to namespace"
+msgstr "Гузариш ба майдони номҳо"
+
+msgid "Empty namespace"
+msgstr "Майдони номҳои фарох"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "View дар майдони номҳо %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "View дар майдони номҳои фарох"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"View-функсия: <code>%(full_name)s</code>. Номи url-нусхаҳо: <code>"
+"%(url_name)s</code>.\n"
+
+msgid "tag:"
+msgstr "тег:"
+
+msgid "filter:"
+msgstr "Поло(filter):"
+
+msgid "view:"
+msgstr "view:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Барномаи «%(app_label)r» ёфт нашуд"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Модели %(model_name)r дар барномаи %(app_label)r ёфт нашуд"
+
+msgid "model:"
+msgstr "модел:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "Объектҳои вобаста `%(app_label)s.%(data_type)s` "
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "Объектҳои алоқаманд `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "ҳамаи %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "миқдори %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ба объекти urlpattern монанд нест."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..23adcdd1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/th/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f165ce21
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,258 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vichai Vongvorakul <vongvichai@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "หน้าหลัก"
+
+msgid "Documentation"
+msgstr "เอกสารประกอบ"
+
+msgid "Bookmarklets"
+msgstr "Bookmarklets"
+
+msgid "Documentation bookmarklets"
+msgstr "Documentation bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "เอกสารสำหรับหน้านี้"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "ย้ายจากทุกหน้าไปที่วิวที่สร้างหน้านั้นขึ้นมา"
+
+msgid "Tags"
+msgstr "Tags:"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Filters"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Models"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "View"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Templates"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ป้ายกำกับ:"
+
+msgid "filter:"
+msgstr "ตัวกรอง:"
+
+msgid "view:"
+msgstr "ดู:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "ไม่พบโมเดล %(model_name)r ในแอป %(app_label)r"
+
+msgid "model:"
+msgstr "โมเดล:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "ความสัมพันธ์`%(app_label)s.%(data_type)s` อ็อบเจ็กต์"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "ความสัมพันธ์`%(app_label)s.%(object_name)s` อ็อบเจ็กต์"
+
+#, python-format
+msgid "all %s"
+msgstr "ทั้งหมด %s "
+
+#, python-format
+msgid "number of %s"
+msgstr "จำนวนของ %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s ดูเหมือนจะไม่ใช่ urlpattern อ็อบเจ็กต์"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f8752e1e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dcb2f9b1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,287 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ahmet Emre Aladağ <emre.aladag@isik.edu.tr>, 2013
+# BouRock, 2015-2016,2019,2021
+# BouRock, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Murat Çorlu <muratcorlu@me.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-16 19:32+0000\n"
+"Last-Translator: BouRock\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "Yönetimsel Belgeler"
+
+msgid "Home"
+msgstr "Giriş"
+
+msgid "Documentation"
+msgstr "Belgeler"
+
+msgid "Bookmarklets"
+msgstr "Kod içeren yer işaretşeri"
+
+msgid "Documentation bookmarklets"
+msgstr "Belge kod içeren yer işaretleri"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Kod içeren yer işaretlerini yüklemek için bağlantıyı yer imleri araç "
+"çubuğuna sürükleyin ya da bağlantıya sağ tıklayın ve yer imlerinize ekleyin. "
+"Artık sitedeki herhangi bir sayfadan kod içeren yer işaretini seçebilirsiniz."
+
+msgid "Documentation for this page"
+msgstr "Bu sayfa için belgeler"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Sizi, bu sayfayı oluşturan görünüm için herhangi bir sayfadan  belgelere "
+"atlatır."
+
+msgid "Tags"
+msgstr "Etiketler"
+
+msgid "List of all the template tags and their functions."
+msgstr "Tüm şablon etiketlerinin ve işlevlerinin listesi."
+
+msgid "Filters"
+msgstr "Süzgeçler"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Süzgeçler, çıktıyı değiştirmek için bir şablondaki değişkenlere "
+"uygulanabilen eylemlerdir."
+
+msgid "Models"
+msgstr "Modeller"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Modeller, sistemdeki nesnelerin ve ilişkilendirilmiş alanlarının tümünün "
+"tanımlarıdır. Her model, şablon değişkenleri olarak erişilebilen alanların "
+"bir listesine sahiptir."
+
+msgid "Views"
+msgstr "Görünümler"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Ortak sitedeki her sayfa, bir görünüm tarafından oluşturulur. Görünüm, "
+"sayfayı oluşturmak için hangi şablonun kullanılacağını ve bu şablon için "
+"hangi nesnelerin kullanılabilir olacağını tanımlar."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Tarayıcınızın yönetici işlevselliğine hızlıca erişebilmesi için araçlar"
+
+msgid "Please install docutils"
+msgstr "Lütfen docutils’i yükleyin"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Yönetici belge sistemi, Python’un <a href=\"%(link)s\">docutils</a> "
+"kütüphanesini gerektirir."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Lütfen yöneticilerinizden <a href=\"%(link)s\">docutils</a> yüklemesini "
+"isteyin."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Model: %(name)s"
+
+msgid "Fields"
+msgstr "Alanlar"
+
+msgid "Field"
+msgstr "Alan"
+
+msgid "Type"
+msgstr "Tür"
+
+msgid "Description"
+msgstr "Açıklama"
+
+msgid "Methods with arguments"
+msgstr "Bağımsız değişkenleri olan yöntemler"
+
+msgid "Method"
+msgstr "Yöntem"
+
+msgid "Arguments"
+msgstr "Bağımsız değişkenler"
+
+msgid "Back to Model documentation"
+msgstr "Model belgelerine geri dön"
+
+msgid "Model documentation"
+msgstr "Model belgeleri"
+
+msgid "Model groups"
+msgstr "Model grupları"
+
+msgid "Templates"
+msgstr "Şablonlar"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Şablon: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Şablon: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "<q>%(name)s</q> şablonu için arama yolu:"
+
+msgid "(does not exist)"
+msgstr "(mevcut değil)"
+
+msgid "Back to Documentation"
+msgstr "Belgelere Geri Dön"
+
+msgid "Template filters"
+msgstr "Şablon süzgeçleri"
+
+msgid "Template filter documentation"
+msgstr "Şablon süzgeci belgeleri"
+
+msgid "Built-in filters"
+msgstr "Yerleşik süzgeçler"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Bu süzgeçleri kullanmak için, süzgeci kullanmadan önce şablonunuzun içine "
+"<code>%(code)s</code> yerleştirin."
+
+msgid "Template tags"
+msgstr "Şablon etiketleri"
+
+msgid "Template tag documentation"
+msgstr "Şablon etiketi belgeleri"
+
+msgid "Built-in tags"
+msgstr "Yerleşik etiketler"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Bu etiketleri kullanmak için, etiketi kullanmadan önce şablonunuzun içine "
+"<code>%(code)s</code> yerleştirin."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Görünüm: %(name)s"
+
+msgid "Context:"
+msgstr "Bağlam:"
+
+msgid "Templates:"
+msgstr "Şablonlar:"
+
+msgid "Back to View documentation"
+msgstr "Görünüm belgelerine geri dön"
+
+msgid "View documentation"
+msgstr "Belgeleri görüntüle"
+
+msgid "Jump to namespace"
+msgstr "İsim alanına atla"
+
+msgid "Empty namespace"
+msgstr "Boş isim alanı"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "%(name)s isim alanına göre görünümler"
+
+msgid "Views by empty namespace"
+msgstr "Boş isim alanına göre görünümler"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    Görünüm işlevi: <code>%(full_name)s</code>. Adı: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "etiket:"
+
+msgid "filter:"
+msgstr "süzgeç:"
+
+msgid "view:"
+msgstr "görünüm:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "%(app_label)r uygulaması bulunamadı"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(app_label)r uygulamasında %(model_name)r modeli bulunamadı"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "İlgili `%(app_label)s.%(data_type)s` nesnesi"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "ilgili `%(app_label)s.%(object_name)s` nesneleri"
+
+#, python-format
+msgid "all %s"
+msgstr "tüm %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s sayısı"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s, bir urlpattern nesnesi olarak görünmüyor"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..83b6d941
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0e38bdb4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,259 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Өй"
+
+msgid "Documentation"
+msgstr "Документация"
+
+msgid "Bookmarklets"
+msgstr "Кыстыргычлар"
+
+msgid "Documentation bookmarklets"
+msgstr "Документация кыстыргычлары"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Бу сәхифә өчен документация"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Теләсә нинди сәхифәдән сезне ул сәхифәне төзи торган view документациясенә "
+"җибәрә."
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "билге:"
+
+msgid "filter:"
+msgstr "фильтр:"
+
+msgid "view:"
+msgstr "күрсәтелеш:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "%(model_name)r моделе %(app_label)r кушымтасында табылмаган"
+
+msgid "model:"
+msgstr "модель:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "бәйләнгән '%(app_label)s.%(data_type)s' объект"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "бәйләнгән '%(app_label)s.%(object_name)s' объектлар"
+
+#, python-format
+msgid "all %s"
+msgstr "бөтен %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s саны"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s urlpattern объектына ошамаган"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..509c1e99
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/udm/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5a54ef39
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,275 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2015-01-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr ""
+
+msgid "Documentation"
+msgstr ""
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"\n"
+"<p class=\"help\">To install bookmarklets, drag the link to your bookmarks\n"
+"toolbar, or right-click the link and add it to your bookmarks. Now you can\n"
+"select the bookmarklet from any page in the site.  Note that some of these\n"
+"bookmarklets require you to be viewing the site from a computer designated\n"
+"as \"internal\" (talk to your system administrator if you aren't sure if\n"
+"your computer is \"internal\").</p>\n"
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr ""
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Show object ID"
+msgstr ""
+
+msgid ""
+"Shows the content-type and unique ID for pages that represent a single "
+"object."
+msgstr ""
+
+msgid "Edit this object (current window)"
+msgstr ""
+
+msgid "Jumps to the admin page for pages that represent a single object."
+msgstr ""
+
+msgid "Edit this object (new window)"
+msgstr ""
+
+msgid "As above, but opens the admin page in a new window."
+msgstr ""
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Back to Model Documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to Views Documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "Boolean (Either True or False)"
+msgstr "True яке False"
+
+#, python-format
+msgid "Field of type: %(field_type)s"
+msgstr "%(field_type)s типъем бусы"
+
+msgid "tag:"
+msgstr ""
+
+msgid "filter:"
+msgstr ""
+
+msgid "view:"
+msgstr ""
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr ""
+
+msgid "model:"
+msgstr ""
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr ""
+
+#, python-format
+msgid "all %s"
+msgstr ""
+
+#, python-format
+msgid "number of %s"
+msgstr ""
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..88ae816c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b19161e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,280 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+# Azat, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 20:19+0000\n"
+"Last-Translator: Azat, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr "باشقۇرۇش قوللانمىسى"
+
+msgid "Home"
+msgstr "باش بەت"
+
+msgid "Documentation"
+msgstr "قوللانمىلار"
+
+msgid "Bookmarklets"
+msgstr "خەتكۈچلەر"
+
+msgid "Documentation bookmarklets"
+msgstr "قوللانما خەتكۈچلىرى"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"خەتكۈچنى ئورنىتىش ئۈچۈن، ئۇلانمىنى خەتكۈچ ئىشارىتىڭىزگە سۆرۈڭ ياكى ئۇلانمىنى "
+"ئوڭ تېكشۈرۈپ خەتكۈچكە قوشۇڭ. ھازىر سىز تور بېكەتتىكى ھەرقايسى بەتتىن "
+"خەتكۈچنى تاللىيالايسىز."
+
+msgid "Documentation for this page"
+msgstr "بۇ بەتنىڭ قوللانما ھۆججىتى"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "ھەرقايسى بەتتىن سىزنى ئۇ بەتنىڭ قوللانما كۆرۈنۈش ھۆججىتىغا ئاتلىدۇ."
+
+msgid "Tags"
+msgstr "خەتكۈچلەر"
+
+msgid "List of all the template tags and their functions."
+msgstr "بارلىق قېلىپ خەتكۈچلىرى ۋە ئۇلارنىڭ ئىقتىدارلىرى تىزىملىكى."
+
+msgid "Filters"
+msgstr "سۈزگۈچ"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"سۈزگۈچ نەتىجىنى ئۆزگەرتىش ئۈچۈن قېلىپدىكى ئۆزگەرگۈچى مىقدارلارغا "
+"قوللىنىلىدىغان ھەرىكەتلەر."
+
+msgid "Models"
+msgstr "ئەندىزەلەر"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"مودېللار سىستېمىدىكى بارلىق جىسىملارنىڭ ۋە ئۇلارنىڭ مۇناسىۋەتلىك ساھەلىرىنىڭ "
+"تەسۋىرى. ھەر بىر مودېلنىڭ قېلىپ ئۆزگەرگۈچى مىقدار سۈپىتىدە زىيارەت قىلغىلى "
+"بولىدىغان ساھە تىزىملىكى بار"
+
+msgid "Views"
+msgstr "كۆرۈنۈشلەر"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"ئاممىۋى تور بېكەتتىكى ھەر بىر بەت كۆرۈنۈش ئارقىلىق ھاسىل بولىدۇ. كۆرۈنۈشتە "
+"قايسى قېلىپنىڭ بەت ھاسىل قىلىشتا ئىشلىتىلىدىغانلىقى ۋە قايسى قېلىپلارنىڭ شۇ "
+"قېلىپقا ئىشلىتىلىدىغانلىقىنى بەلگىلەيدۇ."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "تور كۆرگۈچىڭىزنىڭ باشقۇرۇش ئىقتىدارىنى تېز زىيارەت قىلىدىغان قوراللار."
+
+msgid "Please install docutils"
+msgstr "docutils نى قاچىلاڭ"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a "
+"href=\"%(link)s\">docutils</a> library."
+msgstr ""
+"باشقۇرغۇچى ھۆججەت سىستېمىسى Python نىڭ<a href=\"%(link)s\"></a>docutils1 "
+"كۈتۈپخانىسىنى تەلەپ قىلىدۇ."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"باشقۇرغۇچىلىرىڭىزدىن <a href=\"%(link)s\">docutils</a> نى قاچىلاشنى تەلەپ "
+"قىلىڭ."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "مودېل: %(name)s"
+
+msgid "Fields"
+msgstr "سۆز بۆلىكى"
+
+msgid "Field"
+msgstr "سۆز بۆلىكى"
+
+msgid "Type"
+msgstr "تىپى"
+
+msgid "Description"
+msgstr "چۈشەندۈرۈش"
+
+msgid "Methods with arguments"
+msgstr "ئارگۇمېنىتى بار مېتودلار"
+
+msgid "Method"
+msgstr "چارە"
+
+msgid "Arguments"
+msgstr "ئۆزگەرگۈچىلەر"
+
+msgid "Back to Model documentation"
+msgstr "مودېل ھۆججىتىگە قايتىڭ"
+
+msgid "Model documentation"
+msgstr "مودېل ھۆججىتى"
+
+msgid "Model groups"
+msgstr "ئەندىزە گۇرۇپپىلىرى"
+
+msgid "Templates"
+msgstr "قېلىپلار"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "قېلىپ: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "قېلىپ:  <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "قېلىپنىڭ ئىزدەش يولى: <q>%(name)s</q>"
+
+msgid "(does not exist)"
+msgstr "(مەۋجۇت ئەمەس)"
+
+msgid "Back to Documentation"
+msgstr "ھۆججەتكە قايتىش"
+
+msgid "Template filters"
+msgstr "قېلىپ سۈزگۈچلىرى"
+
+msgid "Template filter documentation"
+msgstr "قېلىپ سۈزگۈچ ھۆججىتى"
+
+msgid "Built-in filters"
+msgstr "ئىچكى سۈزگۈچ"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"بۇ سۈزگۈچلەرنى ئىشلىتىش ئۈچۈن سۈزگۈچنى ئىشلىتىشتىن بۇرۇن قېلىپقا "
+"<code>%(code)s</code>   قويۇڭ."
+
+msgid "Template tags"
+msgstr "قېلىپ خەتكۈچلىرى"
+
+msgid "Template tag documentation"
+msgstr "قېلىپ بەلگىلەر ھۆججىتى"
+
+msgid "Built-in tags"
+msgstr "ئىچكى بەلگىلەر"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"بۇ بەلگىلەرنى ئىشلىتىش ئۈچۈن ، خەتكۈچنى ئىشلىتىشتىن بۇرۇن قېلىپقا  "
+"<code>%(code)s</code> قويۇڭ."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "كۆرۈنۈش: %(name)s"
+
+msgid "Context:"
+msgstr "تىل مۇھىتى:"
+
+msgid "Templates:"
+msgstr "قېلىپلار:"
+
+msgid "Back to View documentation"
+msgstr "ھۆججەتلەرنى كۆرۈش"
+
+msgid "View documentation"
+msgstr "ھۆججەتلەرنى كۆرۈش"
+
+msgid "Jump to namespace"
+msgstr "ئىسىم بوشلۇقىغا ئاتلاڭ"
+
+msgid "Empty namespace"
+msgstr "ئىسىم بوشلۇقى بوش"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "ئىسىم بوشلۇقىدىكى كۆرۈنۈش %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "قۇرۇق ئىسىم بوشلۇقىدىكى كۆرۈنۈشلەر"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "بەلگە:"
+
+msgid "filter:"
+msgstr "سۈزگۈچ:"
+
+msgid "view:"
+msgstr "كۆرۈنۈش:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "ئەپ %(app_label)r تېپىلمىدى"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Model %(model_name)r not found in app %(app_label)r"
+
+msgid "model:"
+msgstr "ئەندىزە:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "the related `%(app_label)s.%(data_type)s` object"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "related `%(app_label)s.%(object_name)s` objects"
+
+#, python-format
+msgid "all %s"
+msgstr "ھەممە %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%sنىڭ سانى"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s urlpattern ئوبىيكتى ئەمەستەك كۆرۈنىدۇ."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..76e5f11b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dc91383f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,294 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Oleksandr Chernihov <o.chernihov@gmail.com>, 2014
+# Andriy Sokolovskiy <me@asokolovskiy.com>, 2015
+# Denis Podlesniy <haos616@gmail.com>, 2016
+# Illia Volochii <illia.volochii@gmail.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kirill Gagarski <gagarin.gtn@gmail.com>, 2016
+# Max V. Stotsky <transifex@ms.pereslavl.ru>, 2014
+# Sergey Lysach <sergikoff88@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-20 00:21+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Administrative Documentation"
+msgstr "Адміністративна документація"
+
+msgid "Home"
+msgstr "Домівка"
+
+msgid "Documentation"
+msgstr "Документація"
+
+msgid "Bookmarklets"
+msgstr "Інтерактивні закладки"
+
+msgid "Documentation bookmarklets"
+msgstr "Інтерактивні закладки документації"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"Щоб встановити bookmarklets, перетягніть посилання на вашу bookmarklets або "
+"клацніть правою кнопкою миші по посиланню і додайте його в bookmarklets. "
+"Тепер ви можете вибрати bookmarklets з будь-якої сторінки сайту."
+
+msgid "Documentation for this page"
+msgstr "Документація для цієї сторінки"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"Перекидає вас з будь-якої сторінки в документацію для відображення, що "
+"сгенерувало цю сторінку."
+
+msgid "Tags"
+msgstr "Теги"
+
+msgid "List of all the template tags and their functions."
+msgstr "Список усіх тегів шаблонів та їх функцій."
+
+msgid "Filters"
+msgstr "Фільтри"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+"Фільтри - це дії, які можуть бути виконані над змінними в шаблоні, щоб "
+"змінити їх відображення."
+
+msgid "Models"
+msgstr "Моделі"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"Моделі - це описання всіх об'єктів системи та пов'язаних з ними полів.\n"
+"Кожна модель має список полів що можуть бути доступні у вигляді змінних в "
+"шаблонах."
+
+msgid "Views"
+msgstr "Відображення"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"Кожна сторінка для відкритого сайту створена за допомогою відображення."
+"Відображення визначає, який шаблон використовується для генерації сторінки "
+"та об'єкти, які доступні для цього шаблону."
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+"Інструменти для вашого браузеру для швидкого доступу до адміністративних "
+"функцій."
+
+msgid "Please install docutils"
+msgstr "Будь ласка, встановіть docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+"Система адміністративної документації вимагає Python-бібліотеку <a href="
+"\"%(link)s\">docutils</a>."
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+"Будь ласка, попросить вашого адміністратора встановити <a href=\"%(link)s"
+"\">docutils</a>."
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "Модель: %(name)s"
+
+msgid "Fields"
+msgstr "Поля"
+
+msgid "Field"
+msgstr "Поле"
+
+msgid "Type"
+msgstr "Тип"
+
+msgid "Description"
+msgstr "Опис"
+
+msgid "Methods with arguments"
+msgstr "Методи з аргументами"
+
+msgid "Method"
+msgstr "Метод"
+
+msgid "Arguments"
+msgstr "Аргументи"
+
+msgid "Back to Model documentation"
+msgstr "Назад до Документація моделі"
+
+msgid "Model documentation"
+msgstr "Документація моделі"
+
+msgid "Model groups"
+msgstr "Групи моделей"
+
+msgid "Templates"
+msgstr "Шаблони"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "Шаблон: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "Шаблон: <q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "Шлях для пошуку шаблону <q>%(name)s</q>:"
+
+msgid "(does not exist)"
+msgstr "(не існує)"
+
+msgid "Back to Documentation"
+msgstr "Назад до Документації"
+
+msgid "Template filters"
+msgstr "Фільтри у шаблонах"
+
+msgid "Template filter documentation"
+msgstr "Документація фільтрів у шаблонах"
+
+msgid "Built-in filters"
+msgstr "Вбудовані фільтри"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"Щоб використовувати ці фільтри, помістіть <code>%(code)s</code> в ваш шаблон "
+"перед використанням фільтру."
+
+msgid "Template tags"
+msgstr "Теги шаблонів"
+
+msgid "Template tag documentation"
+msgstr "Документація по тегам шаблонів"
+
+msgid "Built-in tags"
+msgstr "Вбудовані теги"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"Щоб використовувати ці теги, помістіть <code>%(code)s</code> в ваш шаблон "
+"перед використанням тегу."
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "Відображення: %(name)s"
+
+msgid "Context:"
+msgstr "Контекст:"
+
+msgid "Templates:"
+msgstr "Шаблони:"
+
+msgid "Back to View documentation"
+msgstr "Назад до Переглянути документацію"
+
+msgid "View documentation"
+msgstr "Переглянути документацію"
+
+msgid "Jump to namespace"
+msgstr "Перейти до іменованої зони"
+
+msgid "Empty namespace"
+msgstr "Порожня іменована зона"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "Відображення у просторі імен %(name)s"
+
+msgid "Views by empty namespace"
+msgstr "Відображення у глобальному просторі імен "
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"Функція відображення: <code>%(full_name)s</code>. Им'я: <code>%(url_name)s</"
+"code>.\n"
+
+msgid "tag:"
+msgstr "тег:"
+
+msgid "filter:"
+msgstr "відфільтрувати:"
+
+msgid "view:"
+msgstr "переглянути:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "Застосунок %(app_label)r не знайдено"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Модель %(model_name)r не знайдено в прикладній системі %(app_label)r"
+
+msgid "model:"
+msgstr "модель:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "пов'язаний `%(app_label)s.%(data_type)s` об'єкт"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "пов'язані з `%(app_label)s.%(object_name)s` об'єкти"
+
+#, python-format
+msgid "all %s"
+msgstr "всі %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "кількість з %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s не є об'єктом urlpattern"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d945bd10
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ur/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c15800ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,259 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "صفحۂ اول"
+
+msgid "Documentation"
+msgstr "طریق استعمال"
+
+msgid "Bookmarklets"
+msgstr "بک مارک لیٹس"
+
+msgid "Documentation bookmarklets"
+msgstr "طریق استعمال کے بک مارک لیٹس"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "اس صفحے کا طریق استعمال"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+"آپ کو لے جاتا ہے کسی بھی صفحے سے طریق استعمال کی طرف اس ویو کے لئے جو اس "
+"صفحے کو بناتا ہے۔"
+
+msgid "Tags"
+msgstr ""
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr ""
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr ""
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr ""
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr ""
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "ٹیگ :"
+
+msgid "filter:"
+msgstr "فلٹر:"
+
+msgid "view:"
+msgstr "ویو:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "ماڈل %(model_name)r ایپ %(app_label)r میں نہیں ملا"
+
+msgid "model:"
+msgstr "model:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "متعلقہ `%(app_label)s.%(data_type)s`اوبجیکٹ"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "متعلقہ `%(app_label)s.%(object_name)s` اوبجیکٹس"
+
+#, python-format
+msgid "all %s"
+msgstr "تمام %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%sکی تعداد "
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s بطور urlpattern ظاہر نہیں ہو رہا۔"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..52b21594
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/vi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6219618b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,259 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thanh Le Viet <lethanhx2k@gmail.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr ""
+
+msgid "Home"
+msgstr "Trang chủ"
+
+msgid "Documentation"
+msgstr "Tài liệu"
+
+msgid "Bookmarklets"
+msgstr ""
+
+msgid "Documentation bookmarklets"
+msgstr ""
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+
+msgid "Documentation for this page"
+msgstr "Tài liệu cho trang này"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr ""
+
+msgid "Tags"
+msgstr "Thẻ"
+
+msgid "List of all the template tags and their functions."
+msgstr ""
+
+msgid "Filters"
+msgstr "Bộ lọc"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "Models"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "Xem"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr ""
+
+msgid "Please install docutils"
+msgstr ""
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr ""
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr ""
+
+msgid "Fields"
+msgstr ""
+
+msgid "Field"
+msgstr ""
+
+msgid "Type"
+msgstr ""
+
+msgid "Description"
+msgstr ""
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr ""
+
+msgid "Arguments"
+msgstr ""
+
+msgid "Back to Model documentation"
+msgstr ""
+
+msgid "Model documentation"
+msgstr ""
+
+msgid "Model groups"
+msgstr ""
+
+msgid "Templates"
+msgstr "Templates"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr ""
+
+#, python-format
+msgid "Template: \"%(name)s\""
+msgstr ""
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template \"%(name)s\":"
+msgstr ""
+
+msgid "(does not exist)"
+msgstr ""
+
+msgid "Back to Documentation"
+msgstr ""
+
+msgid "Template filters"
+msgstr ""
+
+msgid "Template filter documentation"
+msgstr ""
+
+msgid "Built-in filters"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr ""
+
+msgid "Template tag documentation"
+msgstr ""
+
+msgid "Built-in tags"
+msgstr ""
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr ""
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr ""
+
+msgid "Back to View documentation"
+msgstr ""
+
+msgid "View documentation"
+msgstr ""
+
+msgid "Jump to namespace"
+msgstr ""
+
+msgid "Empty namespace"
+msgstr ""
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr ""
+
+msgid "Views by empty namespace"
+msgstr ""
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+
+msgid "tag:"
+msgstr "Nhãn:"
+
+msgid "filter:"
+msgstr "Lọc:"
+
+msgid "view:"
+msgstr "Xem:"
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr ""
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "Mẫu %(model_name)r không tìm thấy trong ứng dụng %(app_label)r"
+
+msgid "model:"
+msgstr "mẫu:"
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr ""
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "liên quan tới đối tượng `%(app_label)s.%(object_name)s`"
+
+#, python-format
+msgid "all %s"
+msgstr "Tất cả %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "số của %s"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..497df3e5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hans/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5241457d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,276 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lele Long <schemacs@gmail.com>, 2015
+# Liping Wang <lynn.config@gmail.com>, 2016
+# mozillazg <opensource.mozillazg@gmail.com>, 2016
+# Ronald White <tkliuxing@me.com>, 2014
+# Veoco <one@nomox.cn>, 2021
+# wolf ice <warwolf7677@163.com>, 2020
+# Kevin Sze <leiarix@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-07 04:24+0000\n"
+"Last-Translator: Veoco <one@nomox.cn>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr "管理文档"
+
+msgid "Home"
+msgstr "首页"
+
+msgid "Documentation"
+msgstr "文档"
+
+msgid "Bookmarklets"
+msgstr "书签"
+
+msgid "Documentation bookmarklets"
+msgstr "文档书签"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"为了安装书签，将链接拖到你的书签工具条，或者鼠标右击链接然后把它添加到你的书"
+"签中。现在你可以从这个站点的任何页面选择书签。"
+
+msgid "Documentation for this page"
+msgstr "关于本页面的文档"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "从任何页面跳转到生成该页面的 view 文档。"
+
+msgid "Tags"
+msgstr "标签"
+
+msgid "List of all the template tags and their functions."
+msgstr "列出所有模板标签及其功能。"
+
+msgid "Filters"
+msgstr "过滤器"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr "过滤器可以应用到模板中的变量上来动态的改变输出。"
+
+msgid "Models"
+msgstr "模型"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+"模型是系统中的所有的对象字段及其关联性的描述。每个模型都有其可以被模板变量访"
+"问的字段列表"
+
+msgid "Views"
+msgstr "视图"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+"由视图生成在公共站点的每个页面。视图定义了哪些模板用于生成页面和哪些对象可用"
+"于该模板。"
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "工具为您的浏览器提供了快速访问和管理的功能。"
+
+msgid "Please install docutils"
+msgstr "请安装 docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python’s <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr "该管理文档系统需要 Python 的 <a href=\"%(link)s\">docutils</a> 库。"
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "请询问你的管理员并安装 <a href=\"%(link)s\">docutils</a> 。"
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "模型: %(name)s"
+
+msgid "Fields"
+msgstr "字段"
+
+msgid "Field"
+msgstr "字段"
+
+msgid "Type"
+msgstr "类型"
+
+msgid "Description"
+msgstr "描述"
+
+msgid "Methods with arguments"
+msgstr "方法和参数"
+
+msgid "Method"
+msgstr "方法"
+
+msgid "Arguments"
+msgstr "参数"
+
+msgid "Back to Model documentation"
+msgstr "返回到模型文档"
+
+msgid "Model documentation"
+msgstr "模型文档"
+
+msgid "Model groups"
+msgstr "模型组"
+
+msgid "Templates"
+msgstr "模板"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "模板: %(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "模板：<q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "模板<q>%(name)s</q>的查找路径："
+
+msgid "(does not exist)"
+msgstr "(不存在)"
+
+msgid "Back to Documentation"
+msgstr "回到文档"
+
+msgid "Template filters"
+msgstr "模板过滤器"
+
+msgid "Template filter documentation"
+msgstr "模板过滤器文档"
+
+msgid "Built-in filters"
+msgstr "内置过滤器"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+"要使用这些过滤器, 在你使用过滤器之前需要在模板中放置 <code>%(code)s</code> 。"
+
+msgid "Template tags"
+msgstr "模板标签"
+
+msgid "Template tag documentation"
+msgstr "模板标签文档"
+
+msgid "Built-in tags"
+msgstr "内置标签"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+"要使用这些标签, 在你使用标签之前需要在模板中放置 <code>%(code)s</code> 。"
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "视图: %(name)s"
+
+msgid "Context:"
+msgstr "内容:"
+
+msgid "Templates:"
+msgstr "模板:"
+
+msgid "Back to View documentation"
+msgstr "回到视图文档"
+
+msgid "View documentation"
+msgstr "视图文档"
+
+msgid "Jump to namespace"
+msgstr "跳转到命名空间"
+
+msgid "Empty namespace"
+msgstr "空命名空间"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "按命名空间 %(name)s 排序视图"
+
+msgid "Views by empty namespace"
+msgstr "按空命名空间排序视图"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"查看函数：<code>%(full_name)s</code>. 名字：<code>%(url_name)s</code>.\n"
+"\n"
+
+msgid "tag:"
+msgstr "标签："
+
+msgid "filter:"
+msgstr "过滤器："
+
+msgid "view:"
+msgstr "视图："
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "应用 %(app_label)r 没有找到"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "在应用 %(app_label)r 里找不到模型 %(model_name)r"
+
+msgid "model:"
+msgstr "模型："
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "相关的 `%(app_label)s.%(data_type)s` 对象"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "相关的 `%(app_label)s.%(object_name)s` 对象"
+
+#, python-format
+msgid "all %s"
+msgstr "所有 %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s 的数量"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s 似乎不是一个 urlpattern 对象"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..922dd0e8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hant/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b4060d4a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,267 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# mail6543210 <mail6543210@yahoo.com.tw>, 2013
+# 619e61dbdb61c57213f62815aaf60e01, 2011
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016,2019
+# Yeh-Yung <yyc1217@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 09:05+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Administrative Documentation"
+msgstr "管理文件"
+
+msgid "Home"
+msgstr "首頁"
+
+msgid "Documentation"
+msgstr "文件"
+
+msgid "Bookmarklets"
+msgstr "書籤"
+
+msgid "Documentation bookmarklets"
+msgstr "文件 bookmarklets"
+
+msgid ""
+"To install bookmarklets, drag the link to your bookmarks toolbar, or right-"
+"click the link and add it to your bookmarks. Now you can select the "
+"bookmarklet from any page in the site."
+msgstr ""
+"要安裝 bookmarklet，把連結拖進你的書籤工具列，或右擊該連結後新增到你的書籤"
+"裡。現在你可以從網站的任何頁面來選擇 bookmarklet。"
+
+msgid "Documentation for this page"
+msgstr "本頁面的文件"
+
+msgid ""
+"Jumps you from any page to the documentation for the view that generates "
+"that page."
+msgstr "讓你跳到用來產生該頁面之檢視的任何一頁文件。"
+
+msgid "Tags"
+msgstr "標籤"
+
+msgid "List of all the template tags and their functions."
+msgstr "列出所有模板標籤與其函數"
+
+msgid "Filters"
+msgstr "過濾器"
+
+msgid ""
+"Filters are actions which can be applied to variables in a template to alter "
+"the output."
+msgstr ""
+
+msgid "Models"
+msgstr "模型"
+
+msgid ""
+"Models are descriptions of all the objects in the system and their "
+"associated fields. Each model has a list of fields which can be accessed as "
+"template variables"
+msgstr ""
+
+msgid "Views"
+msgstr "視圖"
+
+msgid ""
+"Each page on the public site is generated by a view. The view defines which "
+"template is used to generate the page and which objects are available to "
+"that template."
+msgstr ""
+
+msgid "Tools for your browser to quickly access admin functionality."
+msgstr "方便使用管理功能的瀏覽器工具。"
+
+msgid "Please install docutils"
+msgstr "請安裝 docutils"
+
+#, python-format
+msgid ""
+"The admin documentation system requires Python's <a href=\"%(link)s"
+"\">docutils</a> library."
+msgstr "管理文件系統需要 Python 的 <a href=\"%(link)s\">docutils</a> 函式庫。"
+
+#, python-format
+msgid ""
+"Please ask your administrators to install <a href=\"%(link)s\">docutils</a>."
+msgstr "請要求您的管理員安裝 <a href=\"%(link)s\">docutils</a>。"
+
+#, python-format
+msgid "Model: %(name)s"
+msgstr "模型：%(name)s"
+
+msgid "Fields"
+msgstr "欄位"
+
+msgid "Field"
+msgstr "欄位"
+
+msgid "Type"
+msgstr "類別"
+
+msgid "Description"
+msgstr "描述"
+
+msgid "Methods with arguments"
+msgstr ""
+
+msgid "Method"
+msgstr "方法"
+
+msgid "Arguments"
+msgstr "參數"
+
+msgid "Back to Model documentation"
+msgstr "回到模型文件"
+
+msgid "Model documentation"
+msgstr "模型文件"
+
+msgid "Model groups"
+msgstr "模型群組"
+
+msgid "Templates"
+msgstr "模版"
+
+#, python-format
+msgid "Template: %(name)s"
+msgstr "模版：%(name)s"
+
+#, python-format
+msgid "Template: <q>%(name)s</q>"
+msgstr "模板：<q>%(name)s</q>"
+
+#. Translators: Search is not a verb here, it qualifies path (a search path)
+#, python-format
+msgid "Search path for template <q>%(name)s</q>:"
+msgstr "搜尋模板 <q>%(name)s</q> 的路徑："
+
+msgid "(does not exist)"
+msgstr "(不存在)"
+
+msgid "Back to Documentation"
+msgstr "回到文件"
+
+msgid "Template filters"
+msgstr "模板過濾器"
+
+msgid "Template filter documentation"
+msgstr "模板過濾器文件"
+
+msgid "Built-in filters"
+msgstr "內建過濾器"
+
+#, python-format
+msgid ""
+"To use these filters, put <code>%(code)s</code> in your template before "
+"using the filter."
+msgstr ""
+
+msgid "Template tags"
+msgstr "模版標籤"
+
+msgid "Template tag documentation"
+msgstr "模板標籤文件"
+
+msgid "Built-in tags"
+msgstr "內建標籤"
+
+#, python-format
+msgid ""
+"To use these tags, put <code>%(code)s</code> in your template before using "
+"the tag."
+msgstr ""
+
+#, python-format
+msgid "View: %(name)s"
+msgstr "視圖：%(name)s"
+
+msgid "Context:"
+msgstr ""
+
+msgid "Templates:"
+msgstr "模版："
+
+msgid "Back to View documentation"
+msgstr "回到視圖文件"
+
+msgid "View documentation"
+msgstr "視圖文件"
+
+msgid "Jump to namespace"
+msgstr "跳至名稱空間"
+
+msgid "Empty namespace"
+msgstr "空的名稱空間"
+
+#, python-format
+msgid "Views by namespace %(name)s"
+msgstr "名稱空間 %(name)s 之視圖"
+
+msgid "Views by empty namespace"
+msgstr "空名稱空間之視圖"
+
+#, python-format
+msgid ""
+"\n"
+"    View function: <code>%(full_name)s</code>. Name: <code>%(url_name)s</"
+"code>.\n"
+msgstr ""
+"\n"
+"視圖函式：<code>%(full_name)s</code>，名稱：<code>%(url_name)s</code>\n"
+
+msgid "tag:"
+msgstr "標籤："
+
+msgid "filter:"
+msgstr "過濾器："
+
+msgid "view:"
+msgstr "視圖："
+
+#, python-format
+msgid "App %(app_label)r not found"
+msgstr "找不到 App %(app_label)r"
+
+#, python-format
+msgid "Model %(model_name)r not found in app %(app_label)r"
+msgstr "未在%(app_label)r 找到模組 %(model_name)r "
+
+msgid "model:"
+msgstr "模型："
+
+#, python-format
+msgid "the related `%(app_label)s.%(data_type)s` object"
+msgstr "有關 `%(app_label)s.%(data_type)s` 的物件"
+
+#, python-format
+msgid "related `%(app_label)s.%(object_name)s` objects"
+msgstr "有關 `%(app_label)s.%(object_name)s` 的物件"
+
+#, python-format
+msgid "all %s"
+msgstr "所有 %s"
+
+#, python-format
+msgid "number of %s"
+msgstr "%s 的数量"
+
+#, python-format
+msgid "%s does not appear to be a urlpattern object"
+msgstr "%s 似乎不是一個 urlpattern 物件"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/middleware.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/middleware.py
new file mode 100644
index 00000000..5c9f08d0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/middleware.py
@@ -0,0 +1,33 @@
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.http import HttpResponse
+from django.utils.deprecation import MiddlewareMixin
+
+from .utils import get_view_name
+
+
+class XViewMiddleware(MiddlewareMixin):
+    """
+    Add an X-View header to internal HEAD requests.
+    """
+
+    def process_view(self, request, view_func, view_args, view_kwargs):
+        """
+        If the request method is HEAD and either the IP is internal or the
+        user is a logged-in staff member, return a response with an x-view
+        header indicating the view function. This is used to lookup the view
+        function for an arbitrary page.
+        """
+        if not hasattr(request, "user"):
+            raise ImproperlyConfigured(
+                "The XView middleware requires authentication middleware to "
+                "be installed. Edit your MIDDLEWARE setting to insert "
+                "'django.contrib.auth.middleware.AuthenticationMiddleware'."
+            )
+        if request.method == "HEAD" and (
+            request.META.get("REMOTE_ADDR") in settings.INTERNAL_IPS
+            or (request.user.is_active and request.user.is_staff)
+        ):
+            response = HttpResponse()
+            response.headers["X-View"] = get_view_name(view_func)
+            return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/bookmarklets.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/bookmarklets.html
new file mode 100644
index 00000000..04b329e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/bookmarklets.html
@@ -0,0 +1,26 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; {% translate 'Bookmarklets' %}
+</div>
+{% endblock %}
+{% block title %}{% translate "Documentation bookmarklets" %}{% endblock %}
+
+{% block content %}
+
+<p class="quiet">{% blocktranslate trimmed %}
+To install bookmarklets, drag the link to your bookmarks toolbar, or right-click
+the link and add it to your bookmarks. Now you can select the bookmarklet
+from any page in the site.
+{% endblocktranslate %}</p>
+
+<div id="content-main">
+    <h3><a href="javascript:(function(){if(typeof XMLHttpRequest!='undefined'){x=new XMLHttpRequest()}else{return;}x.open('HEAD',location.href,false);x.send(null);try{view=x.getResponseHeader('x-view');}catch(e){alert('No view found for this page');return;}if(view=='undefined'){alert('No view found for this page');}document.location='{% url 'django-admindocs-views-index' %}'+view+'/';})()">{% translate "Documentation for this page" %}</a></h3>
+    <p>{% translate "Jumps you from any page to the documentation for the view that generates that page." %}</p>
+</div>
+
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/index.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/index.html
new file mode 100644
index 00000000..1b95a210
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/index.html
@@ -0,0 +1,34 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; {% translate 'Documentation' %}
+</div>
+{% endblock %}
+{% block title %}{% translate 'Documentation' %}{% endblock %}
+
+{% block content %}
+
+<h1>{% translate 'Documentation' %}</h1>
+
+<div id="content-main">
+  <h2><a href="tags/">{% translate 'Tags' %}</a></h2>
+  <p>{% translate 'List of all the template tags and their functions.' %}</p>
+
+  <h2><a href="filters/">{% translate 'Filters' %}</a></h2>
+  <p>{% translate 'Filters are actions which can be applied to variables in a template to alter the output.' %}</p>
+
+  <h2><a href="models/">{% translate 'Models' %}</a></h2>
+  <p>{% translate 'Models are descriptions of all the objects in the system and their associated fields. Each model has a list of fields which can be accessed as template variables' %}.</p>
+
+  <h2><a href="views/">{% translate 'Views' %}</a></h2>
+  <p>{% translate 'Each page on the public site is generated by a view. The view defines which template is used to generate the page and which objects are available to that template.' %}</p>
+
+  <h2><a href="bookmarklets/">{% translate 'Bookmarklets' %}</a></h2>
+  <p>{% translate 'Tools for your browser to quickly access admin functionality.' %}</p>
+</div>
+
+{% endblock %}
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/missing_docutils.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/missing_docutils.html
new file mode 100644
index 00000000..56c063b1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/missing_docutils.html
@@ -0,0 +1,22 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; {% translate 'Documentation' %}
+</div>
+{% endblock %}
+{% block title %}{% translate 'Please install docutils' %}{% endblock %}
+
+{% block content %}
+
+<h1>{% translate 'Documentation' %}</h1>
+
+<div id="content-main">
+  <h3>{% blocktranslate with "https://docutils.sourceforge.io/" as link %}The admin documentation system requires Python’s <a href="{{ link }}">docutils</a> library.{% endblocktranslate %}</h3>
+
+  <p>{% blocktranslate with "https://pypi.org/project/docutils/" as link %}Please ask your administrators to install <a href="{{ link }}">docutils</a>.{% endblocktranslate %}</p>
+</div>
+
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/model_detail.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/model_detail.html
new file mode 100644
index 00000000..ebeeafc8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/model_detail.html
@@ -0,0 +1,78 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block extrahead %}
+{{ block.super }}
+<style type="text/css">
+.module table { width:100%; }
+.module table p { padding: 0; margin: 0; }
+</style>
+{% endblock %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-models-index' %}">{% translate 'Models' %}</a>
+&rsaquo; {{ name }}
+</div>
+{% endblock %}
+
+{% block title %}{% blocktranslate %}Model: {{ name }}{% endblocktranslate %}{% endblock %}
+
+{% block content %}
+<div id="content-main">
+<h1>{{ name }}</h1>
+<h2 class="subhead">{{ summary }}</h2>
+
+{{ description }}
+
+<h3>{% translate 'Fields' %}</h3>
+<div class="module">
+<table class="model">
+<thead>
+<tr>
+    <th>{% translate 'Field' %}</th>
+    <th>{% translate 'Type' %}</th>
+    <th>{% translate 'Description' %}</th>
+</tr>
+</thead>
+<tbody>
+{% for field in fields|dictsort:"name" %}
+<tr>
+    <td>{{ field.name }}</td>
+    <td>{{ field.data_type }}</td>
+    <td>{{ field.verbose }}{% if field.help_text %} - {{ field.help_text|safe }}{% endif %}</td>
+</tr>
+{% endfor %}
+</tbody>
+</table>
+</div>
+
+{% if methods %}
+<h3>{% translate 'Methods with arguments' %}</h3>
+<div class="module">
+<table class="model">
+<thead>
+<tr>
+    <th>{% translate 'Method' %}</th>
+    <th>{% translate 'Arguments' %}</th>
+    <th>{% translate 'Description' %}</th>
+</tr>
+</thead>
+<tbody>
+{% for method in methods|dictsort:"name" %}
+<tr>
+    <td>{{ method.name }}</td>
+    <td>{{ method.arguments }}</td>
+    <td>{{ method.verbose }}</td>
+</tr>
+{% endfor %}
+</tbody>
+</table>
+</div>
+{% endif %}
+
+<p><a href="{% url 'django-admindocs-models-index' %}">&lsaquo; {% translate 'Back to Model documentation' %}</a></p>
+</div>
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/model_index.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/model_index.html
new file mode 100644
index 00000000..2342be4b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/model_index.html
@@ -0,0 +1,52 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block coltype %}colSM{% endblock %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; {% translate 'Models' %}
+</div>
+{% endblock %}
+
+{% block title %}{% translate 'Models' %}{% endblock %}
+
+{% block content %}
+
+<h1>{% translate 'Model documentation' %}</h1>
+
+{% regroup models by app_config as grouped_models %}
+
+<div id="content-main">
+{% for group in grouped_models %}
+<div class="module">
+<h2 id="app-{{ group.grouper.label }}">{{ group.grouper.verbose_name }} ({{ group.grouper.name }})</h2>
+
+<table class="xfull">
+{% for model in group.list %}
+<tr>
+<th><a href="{% url 'django-admindocs-models-detail' app_label=model.app_label model_name=model.model_name %}">{{ model.object_name }}</a></th>
+</tr>
+{% endfor %}
+</table>
+</div>
+{% endfor %}
+
+</div>
+{% endblock %}
+
+{% block sidebar %}
+<div id="content-related" class="sidebar">
+<div class="module">
+<h2>{% translate 'Model groups' %}</h2>
+<ul>
+{% regroup models by app_config as grouped_models %}
+{% for group in grouped_models %}
+    <li><a href="#app-{{ group.grouper.label }}">{{ group.grouper.verbose_name }}</a></li>
+{% endfor %}
+</ul>
+</div>
+</div>
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_detail.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_detail.html
new file mode 100644
index 00000000..3dadaa63
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_detail.html
@@ -0,0 +1,27 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; {% translate 'Templates' %}
+&rsaquo; {{ name }}
+</div>
+{% endblock %}
+
+{% block title %}{% blocktranslate %}Template: {{ name }}{% endblocktranslate %}{% endblock %}
+
+{% block content %}
+<h1>{% blocktranslate %}Template: <q>{{ name }}</q>{% endblocktranslate %}</h1>
+
+{# Translators: Search is not a verb here, it qualifies path (a search path) #}
+<h2>{% blocktranslate %}Search path for template <q>{{ name }}</q>:{% endblocktranslate %}</h2>
+<ol>
+{% for template in templates|dictsort:"order" %}
+    <li><code>{{ template.file }}</code>{% if not template.exists %} <em>{% translate '(does not exist)' %}</em>{% endif %}</li>
+{% endfor %}
+</ol>
+
+<p><a href="{% url 'django-admindocs-docroot' %}">&lsaquo; {% translate 'Back to Documentation' %}</a></p>
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_filter_index.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_filter_index.html
new file mode 100644
index 00000000..c66b7ed3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_filter_index.html
@@ -0,0 +1,54 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block coltype %}colSM{% endblock %}
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; {% translate 'Filters' %}
+</div>
+{% endblock %}
+{% block title %}{% translate 'Template filters' %}{% endblock %}
+
+{% block content %}
+
+<h1>{% translate 'Template filter documentation' %}</h1>
+
+<div id="content-main">
+{% regroup filters|dictsort:"library" by library as filter_libraries %}
+{% for library in filter_libraries %}
+<div class="module">
+    <h2>{% firstof library.grouper _("Built-in filters") %}</h2>
+    {% if library.grouper %}<p class="small quiet">{% blocktranslate with code="{"|add:"% load "|add:library.grouper|add:" %"|add:"}" %}To use these filters, put <code>{{ code }}</code> in your template before using the filter.{% endblocktranslate %}</p><hr>{% endif %}
+    {% for filter in library.list|dictsort:"name" %}
+    <h3 id="{{ library.grouper|default:"built_in" }}-{{ filter.name }}">{{ filter.name }}</h3>
+    {{ filter.title }}
+    {{ filter.body }}
+    {% if not forloop.last %}<hr>{% endif %}
+    {% endfor %}
+</div>
+{% endfor %}
+</div>
+
+{% endblock %}
+
+{% block sidebar %}
+
+<div id="content-related">
+
+{% regroup filters|dictsort:"library" by library as filter_libraries %}
+{% for library in filter_libraries %}
+<div class="module">
+    <h2>{% firstof library.grouper _("Built-in filters") %}</h2>
+    <ul>
+    {% for filter in library.list|dictsort:"name" %}
+        <li><a href="#{{ library.grouper|default:"built_in" }}-{{ filter.name }}">{{ filter.name }}</a></li>
+    {% endfor %}
+    </ul>
+</div>
+{% endfor %}
+
+</div>
+
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_tag_index.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_tag_index.html
new file mode 100644
index 00000000..17b930e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/template_tag_index.html
@@ -0,0 +1,54 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block coltype %}colSM{% endblock %}
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; {% translate 'Tags' %}
+</div>
+{% endblock %}
+{% block title %}{% translate 'Template tags' %}{% endblock %}
+
+{% block content %}
+
+<h1>{% translate 'Template tag documentation' %}</h1>
+
+<div id="content-main">
+{% regroup tags|dictsort:"library" by library as tag_libraries %}
+{% for library in tag_libraries %}
+<div class="module">
+    <h2>{% firstof library.grouper _("Built-in tags") %}</h2>
+    {% if library.grouper %}<p class="small quiet">{% blocktranslate with code="{"|add:"% load "|add:library.grouper|add:" %"|add:"}" %}To use these tags, put <code>{{ code }}</code> in your template before using the tag.{% endblocktranslate %}</p><hr>{% endif %}
+    {% for tag in library.list|dictsort:"name" %}
+    <h3 id="{{ library.grouper|default:"built_in" }}-{{ tag.name }}">{{ tag.name }}</h3>
+    <h4>{{ tag.title|striptags }}</h4>
+    {{ tag.body }}
+    {% if not forloop.last %}<hr>{% endif %}
+    {% endfor %}
+</div>
+{% endfor %}
+</div>
+
+{% endblock %}
+
+{% block sidebar %}
+
+<div id="content-related">
+
+{% regroup tags|dictsort:"library" by library as tag_libraries %}
+{% for library in tag_libraries %}
+<div class="module">
+    <h2>{% firstof library.grouper _("Built-in tags") %}</h2>
+    <ul>
+    {% for tag in library.list|dictsort:"name" %}
+        <li><a href="#{{ library.grouper|default:"built_in" }}-{{ tag.name }}">{{ tag.name }}</a></li>
+    {% endfor %}
+    </ul>
+</div>
+{% endfor %}
+
+</div>
+
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/view_detail.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/view_detail.html
new file mode 100644
index 00000000..d1aa3ab9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/view_detail.html
@@ -0,0 +1,33 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-views-index' %}">{% translate 'Views' %}</a>
+&rsaquo; {{ name }}
+</div>
+{% endblock %}
+{% block title %}{% blocktranslate %}View: {{ name }}{% endblocktranslate %}{% endblock %}
+
+{% block content %}
+
+<h1>{{ name }}</h1>
+
+<h2 class="subhead">{{ summary|striptags }}</h2>
+
+{{ body }}
+
+{% if meta.Context %}
+<h3>{% translate 'Context:' %}</h3>
+<p>{{ meta.Context }}</p>
+{% endif %}
+
+{% if meta.Templates %}
+<h3>{% translate 'Templates:' %}</h3>
+<p>{{ meta.Templates }}</p>
+{% endif %}
+
+<p><a href="{% url 'django-admindocs-views-index' %}">&lsaquo; {% translate 'Back to View documentation' %}</a></p>
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/view_index.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/view_index.html
new file mode 100644
index 00000000..873303f2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/templates/admin_doc/view_index.html
@@ -0,0 +1,59 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block coltype %}colSM{% endblock %}
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'django-admindocs-docroot' %}">{% translate 'Documentation' %}</a>
+&rsaquo; {% translate 'Views' %}
+</div>
+{% endblock %}
+{% block title %}{% translate 'Views' %}{% endblock %}
+
+{% block content %}
+
+<h1>{% translate 'View documentation' %}</h1>
+
+{% regroup views|dictsort:'namespace' by namespace as views_by_ns %}
+
+<div id="content-related" class="sidebar">
+<div class="module">
+<h2>{% translate 'Jump to namespace' %}</h2>
+<ul>
+{% for ns_views in views_by_ns %}
+    <li><a href="#ns|{{ ns_views.grouper }}">
+    {% if ns_views.grouper %}{{ ns_views.grouper }}
+    {% else %}{% translate "Empty namespace" %}{% endif %}
+    </a></li>
+{% endfor %}
+</ul>
+</div>
+</div>
+
+<div id="content-main">
+
+{% for ns_views in views_by_ns %}
+<div class="module">
+<h2 id="ns|{{ ns_views.grouper }}">
+{% if ns_views.grouper %}
+    {% blocktranslate with ns_views.grouper as name %}Views by namespace {{ name }}{% endblocktranslate %}
+{% else %}
+    {% blocktranslate %}Views by empty namespace{% endblocktranslate %}
+{% endif %}
+</h2>
+
+{% for view in ns_views.list|dictsort:"url" %}
+{% ifchanged %}
+<h3><a href="{% url 'django-admindocs-views-detail' view=view.full_name %}">{{ view.url }}</a></h3>
+<p class="small quiet">{% blocktranslate with view.full_name as full_name and view.url_name as url_name %}
+    View function: <code>{{ full_name }}</code>. Name: <code>{{ url_name }}</code>.
+{% endblocktranslate %}</p>
+<p>{{ view.title }}</p>
+<hr>
+{% endifchanged %}
+{% endfor %}
+</div>
+{% endfor %}
+</div>
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/urls.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/urls.py
new file mode 100644
index 00000000..5de2dbac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/urls.py
@@ -0,0 +1,50 @@
+from django.contrib.admindocs import views
+from django.urls import path, re_path
+
+urlpatterns = [
+    path(
+        "",
+        views.BaseAdminDocsView.as_view(template_name="admin_doc/index.html"),
+        name="django-admindocs-docroot",
+    ),
+    path(
+        "bookmarklets/",
+        views.BookmarkletsView.as_view(),
+        name="django-admindocs-bookmarklets",
+    ),
+    path(
+        "tags/",
+        views.TemplateTagIndexView.as_view(),
+        name="django-admindocs-tags",
+    ),
+    path(
+        "filters/",
+        views.TemplateFilterIndexView.as_view(),
+        name="django-admindocs-filters",
+    ),
+    path(
+        "views/",
+        views.ViewIndexView.as_view(),
+        name="django-admindocs-views-index",
+    ),
+    path(
+        "views/<view>/",
+        views.ViewDetailView.as_view(),
+        name="django-admindocs-views-detail",
+    ),
+    path(
+        "models/",
+        views.ModelIndexView.as_view(),
+        name="django-admindocs-models-index",
+    ),
+    re_path(
+        r"^models/(?P<app_label>[^.]+)\.(?P<model_name>[^/]+)/$",
+        views.ModelDetailView.as_view(),
+        name="django-admindocs-models-detail",
+    ),
+    path(
+        "templates/<path:template>/",
+        views.TemplateDetailView.as_view(),
+        name="django-admindocs-templates",
+    ),
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/utils.py
new file mode 100644
index 00000000..3708a328
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/utils.py
@@ -0,0 +1,244 @@
+"Misc. utility functions/classes for admin documentation generator."
+
+import re
+from email.errors import HeaderParseError
+from email.parser import HeaderParser
+from inspect import cleandoc
+
+from django.urls import reverse
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.safestring import mark_safe
+
+try:
+    import docutils.core
+    import docutils.nodes
+    import docutils.parsers.rst.roles
+except ImportError:
+    docutils_is_available = False
+else:
+    docutils_is_available = True
+
+
+def get_view_name(view_func):
+    if hasattr(view_func, "view_class"):
+        klass = view_func.view_class
+        return f"{klass.__module__}.{klass.__qualname__}"
+    mod_name = view_func.__module__
+    view_name = getattr(view_func, "__qualname__", view_func.__class__.__name__)
+    return mod_name + "." + view_name
+
+
+def parse_docstring(docstring):
+    """
+    Parse out the parts of a docstring.  Return (title, body, metadata).
+    """
+    if not docstring:
+        return "", "", {}
+    docstring = cleandoc(docstring)
+    parts = re.split(r"\n{2,}", docstring)
+    title = parts[0]
+    if len(parts) == 1:
+        body = ""
+        metadata = {}
+    else:
+        parser = HeaderParser()
+        try:
+            metadata = parser.parsestr(parts[-1])
+        except HeaderParseError:
+            metadata = {}
+            body = "\n\n".join(parts[1:])
+        else:
+            metadata = dict(metadata.items())
+            if metadata:
+                body = "\n\n".join(parts[1:-1])
+            else:
+                body = "\n\n".join(parts[1:])
+    return title, body, metadata
+
+
+def parse_rst(text, default_reference_context, thing_being_parsed=None):
+    """
+    Convert the string from reST to an XHTML fragment.
+    """
+    overrides = {
+        "doctitle_xform": True,
+        "initial_header_level": 3,
+        "default_reference_context": default_reference_context,
+        "link_base": reverse("django-admindocs-docroot").rstrip("/"),
+        "raw_enabled": False,
+        "file_insertion_enabled": False,
+    }
+    thing_being_parsed = thing_being_parsed and "<%s>" % thing_being_parsed
+    # Wrap ``text`` in some reST that sets the default role to ``cmsreference``,
+    # then restores it.
+    source = """
+.. default-role:: cmsreference
+
+%s
+
+.. default-role::
+"""
+    parts = docutils.core.publish_parts(
+        source % text,
+        source_path=thing_being_parsed,
+        destination_path=None,
+        writer_name="html",
+        settings_overrides=overrides,
+    )
+    return mark_safe(parts["fragment"])
+
+
+#
+# reST roles
+#
+ROLES = {
+    "model": "%s/models/%s/",
+    "view": "%s/views/%s/",
+    "template": "%s/templates/%s/",
+    "filter": "%s/filters/#%s",
+    "tag": "%s/tags/#%s",
+}
+
+
+def create_reference_role(rolename, urlbase):
+    # Views and template names are case-sensitive.
+    is_case_sensitive = rolename in ["template", "view"]
+
+    def _role(name, rawtext, text, lineno, inliner, options=None, content=None):
+        if options is None:
+            options = {}
+        node = docutils.nodes.reference(
+            rawtext,
+            text,
+            refuri=(
+                urlbase
+                % (
+                    inliner.document.settings.link_base,
+                    text if is_case_sensitive else text.lower(),
+                )
+            ),
+            **options,
+        )
+        return [node], []
+
+    docutils.parsers.rst.roles.register_canonical_role(rolename, _role)
+
+
+def default_reference_role(
+    name, rawtext, text, lineno, inliner, options=None, content=None
+):
+    if options is None:
+        options = {}
+    context = inliner.document.settings.default_reference_context
+    node = docutils.nodes.reference(
+        rawtext,
+        text,
+        refuri=(
+            ROLES[context]
+            % (
+                inliner.document.settings.link_base,
+                text.lower(),
+            )
+        ),
+        **options,
+    )
+    return [node], []
+
+
+if docutils_is_available:
+    docutils.parsers.rst.roles.register_canonical_role(
+        "cmsreference", default_reference_role
+    )
+
+    for name, urlbase in ROLES.items():
+        create_reference_role(name, urlbase)
+
+# Match the beginning of a named, unnamed, or non-capturing groups.
+named_group_matcher = _lazy_re_compile(r"\(\?P(<\w+>)")
+unnamed_group_matcher = _lazy_re_compile(r"\(")
+non_capturing_group_matcher = _lazy_re_compile(r"\(\?\:")
+
+
+def replace_metacharacters(pattern):
+    """Remove unescaped metacharacters from the pattern."""
+    return re.sub(
+        r"((?:^|(?<!\\))(?:\\\\)*)(\\?)([?*+^$]|\\[bBAZ])",
+        lambda m: m[1] + m[3] if m[2] else m[1],
+        pattern,
+    )
+
+
+def _get_group_start_end(start, end, pattern):
+    # Handle nested parentheses, e.g. '^(?P<a>(x|y))/b' or '^b/((x|y)\w+)$'.
+    unmatched_open_brackets, prev_char = 1, None
+    for idx, val in enumerate(pattern[end:]):
+        # Check for unescaped `(` and `)`. They mark the start and end of a
+        # nested group.
+        if val == "(" and prev_char != "\\":
+            unmatched_open_brackets += 1
+        elif val == ")" and prev_char != "\\":
+            unmatched_open_brackets -= 1
+        prev_char = val
+        # If brackets are balanced, the end of the string for the current named
+        # capture group pattern has been reached.
+        if unmatched_open_brackets == 0:
+            return start, end + idx + 1
+
+
+def _find_groups(pattern, group_matcher):
+    prev_end = None
+    for match in group_matcher.finditer(pattern):
+        if indices := _get_group_start_end(match.start(0), match.end(0), pattern):
+            start, end = indices
+            if prev_end and start > prev_end or not prev_end:
+                yield start, end, match
+            prev_end = end
+
+
+def replace_named_groups(pattern):
+    r"""
+    Find named groups in `pattern` and replace them with the group name. E.g.,
+    1. ^(?P<a>\w+)/b/(\w+)$ ==> ^<a>/b/(\w+)$
+    2. ^(?P<a>\w+)/b/(?P<c>\w+)/$ ==> ^<a>/b/<c>/$
+    3. ^(?P<a>\w+)/b/(\w+) ==> ^<a>/b/(\w+)
+    4. ^(?P<a>\w+)/b/(?P<c>\w+) ==> ^<a>/b/<c>
+    """
+    group_pattern_and_name = [
+        (pattern[start:end], match[1])
+        for start, end, match in _find_groups(pattern, named_group_matcher)
+    ]
+    for group_pattern, group_name in group_pattern_and_name:
+        pattern = pattern.replace(group_pattern, group_name)
+    return pattern
+
+
+def replace_unnamed_groups(pattern):
+    r"""
+    Find unnamed groups in `pattern` and replace them with '<var>'. E.g.,
+    1. ^(?P<a>\w+)/b/(\w+)$ ==> ^(?P<a>\w+)/b/<var>$
+    2. ^(?P<a>\w+)/b/((x|y)\w+)$ ==> ^(?P<a>\w+)/b/<var>$
+    3. ^(?P<a>\w+)/b/(\w+) ==> ^(?P<a>\w+)/b/<var>
+    4. ^(?P<a>\w+)/b/((x|y)\w+) ==> ^(?P<a>\w+)/b/<var>
+    """
+    final_pattern, prev_end = "", None
+    for start, end, _ in _find_groups(pattern, unnamed_group_matcher):
+        if prev_end:
+            final_pattern += pattern[prev_end:start]
+        final_pattern += pattern[:start] + "<var>"
+        prev_end = end
+    return final_pattern + pattern[prev_end:]
+
+
+def remove_non_capturing_groups(pattern):
+    r"""
+    Find non-capturing groups in the given `pattern` and remove them, e.g.
+    1. (?P<a>\w+)/b/(?:\w+)c(?:\w+) => (?P<a>\\w+)/b/c
+    2. ^(?:\w+(?:\w+))a => ^a
+    3. ^a(?:\w+)/b(?:\w+) => ^a/b
+    """
+    group_start_end_indices = _find_groups(pattern, non_capturing_group_matcher)
+    final_pattern, prev_end = "", None
+    for start, end, _ in group_start_end_indices:
+        final_pattern += pattern[prev_end:start]
+        prev_end = end
+    return final_pattern + pattern[prev_end:]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/views.py
new file mode 100644
index 00000000..4f970e89
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/admindocs/views.py
@@ -0,0 +1,498 @@
+import inspect
+from importlib import import_module
+from inspect import cleandoc
+from pathlib import Path
+
+from django.apps import apps
+from django.contrib import admin
+from django.contrib.admin.views.decorators import staff_member_required
+from django.contrib.admindocs import utils
+from django.contrib.admindocs.utils import (
+    remove_non_capturing_groups,
+    replace_metacharacters,
+    replace_named_groups,
+    replace_unnamed_groups,
+)
+from django.core.exceptions import ImproperlyConfigured, ViewDoesNotExist
+from django.db import models
+from django.http import Http404
+from django.template.engine import Engine
+from django.urls import get_mod_func, get_resolver, get_urlconf
+from django.utils._os import safe_join
+from django.utils.decorators import method_decorator
+from django.utils.functional import cached_property
+from django.utils.inspect import (
+    func_accepts_kwargs,
+    func_accepts_var_args,
+    get_func_full_args,
+    method_has_no_args,
+)
+from django.utils.translation import gettext as _
+from django.views.generic import TemplateView
+
+from .utils import get_view_name
+
+# Exclude methods starting with these strings from documentation
+MODEL_METHODS_EXCLUDE = ("_", "add_", "delete", "save", "set_")
+
+
+class BaseAdminDocsView(TemplateView):
+    """
+    Base view for admindocs views.
+    """
+
+    @method_decorator(staff_member_required)
+    def dispatch(self, request, *args, **kwargs):
+        if not utils.docutils_is_available:
+            # Display an error message for people without docutils
+            self.template_name = "admin_doc/missing_docutils.html"
+            return self.render_to_response(admin.site.each_context(request))
+        return super().dispatch(request, *args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        return super().get_context_data(
+            **{
+                **kwargs,
+                **admin.site.each_context(self.request),
+            }
+        )
+
+
+class BookmarkletsView(BaseAdminDocsView):
+    template_name = "admin_doc/bookmarklets.html"
+
+
+class TemplateTagIndexView(BaseAdminDocsView):
+    template_name = "admin_doc/template_tag_index.html"
+
+    def get_context_data(self, **kwargs):
+        tags = []
+        try:
+            engine = Engine.get_default()
+        except ImproperlyConfigured:
+            # Non-trivial TEMPLATES settings aren't supported (#24125).
+            pass
+        else:
+            app_libs = sorted(engine.template_libraries.items())
+            builtin_libs = [("", lib) for lib in engine.template_builtins]
+            for module_name, library in builtin_libs + app_libs:
+                for tag_name, tag_func in library.tags.items():
+                    title, body, metadata = utils.parse_docstring(tag_func.__doc__)
+                    title = title and utils.parse_rst(
+                        title, "tag", _("tag:") + tag_name
+                    )
+                    body = body and utils.parse_rst(body, "tag", _("tag:") + tag_name)
+                    for key in metadata:
+                        metadata[key] = utils.parse_rst(
+                            metadata[key], "tag", _("tag:") + tag_name
+                        )
+                    tag_library = module_name.split(".")[-1]
+                    tags.append(
+                        {
+                            "name": tag_name,
+                            "title": title,
+                            "body": body,
+                            "meta": metadata,
+                            "library": tag_library,
+                        }
+                    )
+        return super().get_context_data(**{**kwargs, "tags": tags})
+
+
+class TemplateFilterIndexView(BaseAdminDocsView):
+    template_name = "admin_doc/template_filter_index.html"
+
+    def get_context_data(self, **kwargs):
+        filters = []
+        try:
+            engine = Engine.get_default()
+        except ImproperlyConfigured:
+            # Non-trivial TEMPLATES settings aren't supported (#24125).
+            pass
+        else:
+            app_libs = sorted(engine.template_libraries.items())
+            builtin_libs = [("", lib) for lib in engine.template_builtins]
+            for module_name, library in builtin_libs + app_libs:
+                for filter_name, filter_func in library.filters.items():
+                    title, body, metadata = utils.parse_docstring(filter_func.__doc__)
+                    title = title and utils.parse_rst(
+                        title, "filter", _("filter:") + filter_name
+                    )
+                    body = body and utils.parse_rst(
+                        body, "filter", _("filter:") + filter_name
+                    )
+                    for key in metadata:
+                        metadata[key] = utils.parse_rst(
+                            metadata[key], "filter", _("filter:") + filter_name
+                        )
+                    tag_library = module_name.split(".")[-1]
+                    filters.append(
+                        {
+                            "name": filter_name,
+                            "title": title,
+                            "body": body,
+                            "meta": metadata,
+                            "library": tag_library,
+                        }
+                    )
+        return super().get_context_data(**{**kwargs, "filters": filters})
+
+
+class ViewIndexView(BaseAdminDocsView):
+    template_name = "admin_doc/view_index.html"
+
+    def get_context_data(self, **kwargs):
+        views = []
+        url_resolver = get_resolver(get_urlconf())
+        try:
+            view_functions = extract_views_from_urlpatterns(url_resolver.url_patterns)
+        except ImproperlyConfigured:
+            view_functions = []
+        for func, regex, namespace, name in view_functions:
+            views.append(
+                {
+                    "full_name": get_view_name(func),
+                    "url": simplify_regex(regex),
+                    "url_name": ":".join((namespace or []) + (name and [name] or [])),
+                    "namespace": ":".join(namespace or []),
+                    "name": name,
+                }
+            )
+        return super().get_context_data(**{**kwargs, "views": views})
+
+
+class ViewDetailView(BaseAdminDocsView):
+    template_name = "admin_doc/view_detail.html"
+
+    @staticmethod
+    def _get_view_func(view):
+        urlconf = get_urlconf()
+        if get_resolver(urlconf)._is_callback(view):
+            mod, func = get_mod_func(view)
+            try:
+                # Separate the module and function, e.g.
+                # 'mymodule.views.myview' -> 'mymodule.views', 'myview').
+                return getattr(import_module(mod), func)
+            except ImportError:
+                # Import may fail because view contains a class name, e.g.
+                # 'mymodule.views.ViewContainer.my_view', so mod takes the form
+                # 'mymodule.views.ViewContainer'. Parse it again to separate
+                # the module and class.
+                mod, klass = get_mod_func(mod)
+                return getattr(getattr(import_module(mod), klass), func)
+
+    def get_context_data(self, **kwargs):
+        view = self.kwargs["view"]
+        view_func = self._get_view_func(view)
+        if view_func is None:
+            raise Http404
+        title, body, metadata = utils.parse_docstring(view_func.__doc__)
+        title = title and utils.parse_rst(title, "view", _("view:") + view)
+        body = body and utils.parse_rst(body, "view", _("view:") + view)
+        for key in metadata:
+            metadata[key] = utils.parse_rst(metadata[key], "model", _("view:") + view)
+        return super().get_context_data(
+            **{
+                **kwargs,
+                "name": view,
+                "summary": title,
+                "body": body,
+                "meta": metadata,
+            }
+        )
+
+
+class ModelIndexView(BaseAdminDocsView):
+    template_name = "admin_doc/model_index.html"
+
+    def get_context_data(self, **kwargs):
+        m_list = [m._meta for m in apps.get_models()]
+        return super().get_context_data(**{**kwargs, "models": m_list})
+
+
+class ModelDetailView(BaseAdminDocsView):
+    template_name = "admin_doc/model_detail.html"
+
+    def get_context_data(self, **kwargs):
+        model_name = self.kwargs["model_name"]
+        # Get the model class.
+        try:
+            app_config = apps.get_app_config(self.kwargs["app_label"])
+        except LookupError:
+            raise Http404(_("App %(app_label)r not found") % self.kwargs)
+        try:
+            model = app_config.get_model(model_name)
+        except LookupError:
+            raise Http404(
+                _("Model %(model_name)r not found in app %(app_label)r") % self.kwargs
+            )
+
+        opts = model._meta
+
+        title, body, metadata = utils.parse_docstring(model.__doc__)
+        title = title and utils.parse_rst(title, "model", _("model:") + model_name)
+        body = body and utils.parse_rst(body, "model", _("model:") + model_name)
+
+        # Gather fields/field descriptions.
+        fields = []
+        for field in opts.fields:
+            # ForeignKey is a special case since the field will actually be a
+            # descriptor that returns the other object
+            if isinstance(field, models.ForeignKey):
+                data_type = field.remote_field.model.__name__
+                app_label = field.remote_field.model._meta.app_label
+                verbose = utils.parse_rst(
+                    (
+                        _("the related `%(app_label)s.%(data_type)s` object")
+                        % {
+                            "app_label": app_label,
+                            "data_type": data_type,
+                        }
+                    ),
+                    "model",
+                    _("model:") + data_type,
+                )
+            else:
+                data_type = get_readable_field_data_type(field)
+                verbose = field.verbose_name
+            fields.append(
+                {
+                    "name": field.name,
+                    "data_type": data_type,
+                    "verbose": verbose or "",
+                    "help_text": field.help_text,
+                }
+            )
+
+        # Gather many-to-many fields.
+        for field in opts.many_to_many:
+            data_type = field.remote_field.model.__name__
+            app_label = field.remote_field.model._meta.app_label
+            verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
+                "app_label": app_label,
+                "object_name": data_type,
+            }
+            fields.append(
+                {
+                    "name": "%s.all" % field.name,
+                    "data_type": "List",
+                    "verbose": utils.parse_rst(
+                        _("all %s") % verbose, "model", _("model:") + opts.model_name
+                    ),
+                }
+            )
+            fields.append(
+                {
+                    "name": "%s.count" % field.name,
+                    "data_type": "Integer",
+                    "verbose": utils.parse_rst(
+                        _("number of %s") % verbose,
+                        "model",
+                        _("model:") + opts.model_name,
+                    ),
+                }
+            )
+
+        methods = []
+        # Gather model methods.
+        for func_name, func in model.__dict__.items():
+            if inspect.isfunction(func) or isinstance(
+                func, (cached_property, property)
+            ):
+                try:
+                    for exclude in MODEL_METHODS_EXCLUDE:
+                        if func_name.startswith(exclude):
+                            raise StopIteration
+                except StopIteration:
+                    continue
+                verbose = func.__doc__
+                verbose = verbose and (
+                    utils.parse_rst(
+                        cleandoc(verbose), "model", _("model:") + opts.model_name
+                    )
+                )
+                # Show properties, cached_properties, and methods without
+                # arguments as fields. Otherwise, show as a 'method with
+                # arguments'.
+                if isinstance(func, (cached_property, property)):
+                    fields.append(
+                        {
+                            "name": func_name,
+                            "data_type": get_return_data_type(func_name),
+                            "verbose": verbose or "",
+                        }
+                    )
+                elif (
+                    method_has_no_args(func)
+                    and not func_accepts_kwargs(func)
+                    and not func_accepts_var_args(func)
+                ):
+                    fields.append(
+                        {
+                            "name": func_name,
+                            "data_type": get_return_data_type(func_name),
+                            "verbose": verbose or "",
+                        }
+                    )
+                else:
+                    arguments = get_func_full_args(func)
+                    # Join arguments with ', ' and in case of default value,
+                    # join it with '='. Use repr() so that strings will be
+                    # correctly displayed.
+                    print_arguments = ", ".join(
+                        [
+                            "=".join([arg_el[0], *map(repr, arg_el[1:])])
+                            for arg_el in arguments
+                        ]
+                    )
+                    methods.append(
+                        {
+                            "name": func_name,
+                            "arguments": print_arguments,
+                            "verbose": verbose or "",
+                        }
+                    )
+
+        # Gather related objects
+        for rel in opts.related_objects:
+            verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
+                "app_label": rel.related_model._meta.app_label,
+                "object_name": rel.related_model._meta.object_name,
+            }
+            accessor = rel.get_accessor_name()
+            fields.append(
+                {
+                    "name": "%s.all" % accessor,
+                    "data_type": "List",
+                    "verbose": utils.parse_rst(
+                        _("all %s") % verbose, "model", _("model:") + opts.model_name
+                    ),
+                }
+            )
+            fields.append(
+                {
+                    "name": "%s.count" % accessor,
+                    "data_type": "Integer",
+                    "verbose": utils.parse_rst(
+                        _("number of %s") % verbose,
+                        "model",
+                        _("model:") + opts.model_name,
+                    ),
+                }
+            )
+        return super().get_context_data(
+            **{
+                **kwargs,
+                "name": opts.label,
+                "summary": title,
+                "description": body,
+                "fields": fields,
+                "methods": methods,
+            }
+        )
+
+
+class TemplateDetailView(BaseAdminDocsView):
+    template_name = "admin_doc/template_detail.html"
+
+    def get_context_data(self, **kwargs):
+        template = self.kwargs["template"]
+        templates = []
+        try:
+            default_engine = Engine.get_default()
+        except ImproperlyConfigured:
+            # Non-trivial TEMPLATES settings aren't supported (#24125).
+            pass
+        else:
+            # This doesn't account for template loaders (#24128).
+            for index, directory in enumerate(default_engine.dirs):
+                template_file = Path(safe_join(directory, template))
+                if template_file.exists():
+                    template_contents = template_file.read_text()
+                else:
+                    template_contents = ""
+                templates.append(
+                    {
+                        "file": template_file,
+                        "exists": template_file.exists(),
+                        "contents": template_contents,
+                        "order": index,
+                    }
+                )
+        return super().get_context_data(
+            **{
+                **kwargs,
+                "name": template,
+                "templates": templates,
+            }
+        )
+
+
+####################
+# Helper functions #
+####################
+
+
+def get_return_data_type(func_name):
+    """Return a somewhat-helpful data type given a function name"""
+    if func_name.startswith("get_"):
+        if func_name.endswith("_list"):
+            return "List"
+        elif func_name.endswith("_count"):
+            return "Integer"
+    return ""
+
+
+def get_readable_field_data_type(field):
+    """
+    Return the description for a given field type, if it exists. Fields'
+    descriptions can contain format strings, which will be interpolated with
+    the values of field.__dict__ before being output.
+    """
+    return field.description % field.__dict__
+
+
+def extract_views_from_urlpatterns(urlpatterns, base="", namespace=None):
+    """
+    Return a list of views from a list of urlpatterns.
+
+    Each object in the returned list is a 4-tuple:
+    (view_func, regex, namespace, name)
+    """
+    views = []
+    for p in urlpatterns:
+        if hasattr(p, "url_patterns"):
+            try:
+                patterns = p.url_patterns
+            except ImportError:
+                continue
+            views.extend(
+                extract_views_from_urlpatterns(
+                    patterns,
+                    base + str(p.pattern),
+                    (namespace or []) + (p.namespace and [p.namespace] or []),
+                )
+            )
+        elif hasattr(p, "callback"):
+            try:
+                views.append((p.callback, base + str(p.pattern), namespace, p.name))
+            except ViewDoesNotExist:
+                continue
+        else:
+            raise TypeError(_("%s does not appear to be a urlpattern object") % p)
+    return views
+
+
+def simplify_regex(pattern):
+    r"""
+    Clean up urlpattern regexes into something more readable by humans. For
+    example, turn "^(?P<sport_slug>\w+)/athletes/(?P<athlete_slug>\w+)/$"
+    into "/<sport_slug>/athletes/<athlete_slug>/".
+    """
+    pattern = remove_non_capturing_groups(pattern)
+    pattern = replace_named_groups(pattern)
+    pattern = replace_unnamed_groups(pattern)
+    pattern = replace_metacharacters(pattern)
+    if not pattern.startswith("/"):
+        pattern = "/" + pattern
+    return pattern
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/__init__.py
new file mode 100644
index 00000000..91257dd3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/__init__.py
@@ -0,0 +1,272 @@
+import inspect
+import re
+
+from asgiref.sync import sync_to_async
+
+from django.apps import apps as django_apps
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured, PermissionDenied
+from django.middleware.csrf import rotate_token
+from django.utils.crypto import constant_time_compare
+from django.utils.module_loading import import_string
+from django.views.decorators.debug import sensitive_variables
+
+from .signals import user_logged_in, user_logged_out, user_login_failed
+
+SESSION_KEY = "_auth_user_id"
+BACKEND_SESSION_KEY = "_auth_user_backend"
+HASH_SESSION_KEY = "_auth_user_hash"
+REDIRECT_FIELD_NAME = "next"
+
+
+def load_backend(path):
+    return import_string(path)()
+
+
+def _get_backends(return_tuples=False):
+    backends = []
+    for backend_path in settings.AUTHENTICATION_BACKENDS:
+        backend = load_backend(backend_path)
+        backends.append((backend, backend_path) if return_tuples else backend)
+    if not backends:
+        raise ImproperlyConfigured(
+            "No authentication backends have been defined. Does "
+            "AUTHENTICATION_BACKENDS contain anything?"
+        )
+    return backends
+
+
+def get_backends():
+    return _get_backends(return_tuples=False)
+
+
+@sensitive_variables("credentials")
+def _clean_credentials(credentials):
+    """
+    Clean a dictionary of credentials of potentially sensitive info before
+    sending to less secure functions.
+
+    Not comprehensive - intended for user_login_failed signal
+    """
+    SENSITIVE_CREDENTIALS = re.compile("api|token|key|secret|password|signature", re.I)
+    CLEANSED_SUBSTITUTE = "********************"
+    for key in credentials:
+        if SENSITIVE_CREDENTIALS.search(key):
+            credentials[key] = CLEANSED_SUBSTITUTE
+    return credentials
+
+
+def _get_user_session_key(request):
+    # This value in the session is always serialized to a string, so we need
+    # to convert it back to Python whenever we access it.
+    return get_user_model()._meta.pk.to_python(request.session[SESSION_KEY])
+
+
+@sensitive_variables("credentials")
+def authenticate(request=None, **credentials):
+    """
+    If the given credentials are valid, return a User object.
+    """
+    for backend, backend_path in _get_backends(return_tuples=True):
+        backend_signature = inspect.signature(backend.authenticate)
+        try:
+            backend_signature.bind(request, **credentials)
+        except TypeError:
+            # This backend doesn't accept these credentials as arguments. Try
+            # the next one.
+            continue
+        try:
+            user = backend.authenticate(request, **credentials)
+        except PermissionDenied:
+            # This backend says to stop in our tracks - this user should not be
+            # allowed in at all.
+            break
+        if user is None:
+            continue
+        # Annotate the user object with the path of the backend.
+        user.backend = backend_path
+        return user
+
+    # The credentials supplied are invalid to all backends, fire signal
+    user_login_failed.send(
+        sender=__name__, credentials=_clean_credentials(credentials), request=request
+    )
+
+
+@sensitive_variables("credentials")
+async def aauthenticate(request=None, **credentials):
+    """See authenticate()."""
+    return await sync_to_async(authenticate)(request, **credentials)
+
+
+def login(request, user, backend=None):
+    """
+    Persist a user id and a backend in the request. This way a user doesn't
+    have to reauthenticate on every request. Note that data set during
+    the anonymous session is retained when the user logs in.
+    """
+    session_auth_hash = ""
+    if user is None:
+        user = request.user
+    if hasattr(user, "get_session_auth_hash"):
+        session_auth_hash = user.get_session_auth_hash()
+
+    if SESSION_KEY in request.session:
+        if _get_user_session_key(request) != user.pk or (
+            session_auth_hash
+            and not constant_time_compare(
+                request.session.get(HASH_SESSION_KEY, ""), session_auth_hash
+            )
+        ):
+            # To avoid reusing another user's session, create a new, empty
+            # session if the existing session corresponds to a different
+            # authenticated user.
+            request.session.flush()
+    else:
+        request.session.cycle_key()
+
+    try:
+        backend = backend or user.backend
+    except AttributeError:
+        backends = _get_backends(return_tuples=True)
+        if len(backends) == 1:
+            _, backend = backends[0]
+        else:
+            raise ValueError(
+                "You have multiple authentication backends configured and "
+                "therefore must provide the `backend` argument or set the "
+                "`backend` attribute on the user."
+            )
+    else:
+        if not isinstance(backend, str):
+            raise TypeError(
+                "backend must be a dotted import path string (got %r)." % backend
+            )
+
+    request.session[SESSION_KEY] = user._meta.pk.value_to_string(user)
+    request.session[BACKEND_SESSION_KEY] = backend
+    request.session[HASH_SESSION_KEY] = session_auth_hash
+    if hasattr(request, "user"):
+        request.user = user
+    rotate_token(request)
+    user_logged_in.send(sender=user.__class__, request=request, user=user)
+
+
+async def alogin(request, user, backend=None):
+    """See login()."""
+    return await sync_to_async(login)(request, user, backend)
+
+
+def logout(request):
+    """
+    Remove the authenticated user's ID from the request and flush their session
+    data.
+    """
+    # Dispatch the signal before the user is logged out so the receivers have a
+    # chance to find out *who* logged out.
+    user = getattr(request, "user", None)
+    if not getattr(user, "is_authenticated", True):
+        user = None
+    user_logged_out.send(sender=user.__class__, request=request, user=user)
+    request.session.flush()
+    if hasattr(request, "user"):
+        from django.contrib.auth.models import AnonymousUser
+
+        request.user = AnonymousUser()
+
+
+async def alogout(request):
+    """See logout()."""
+    return await sync_to_async(logout)(request)
+
+
+def get_user_model():
+    """
+    Return the User model that is active in this project.
+    """
+    try:
+        return django_apps.get_model(settings.AUTH_USER_MODEL, require_ready=False)
+    except ValueError:
+        raise ImproperlyConfigured(
+            "AUTH_USER_MODEL must be of the form 'app_label.model_name'"
+        )
+    except LookupError:
+        raise ImproperlyConfigured(
+            "AUTH_USER_MODEL refers to model '%s' that has not been installed"
+            % settings.AUTH_USER_MODEL
+        )
+
+
+def get_user(request):
+    """
+    Return the user model instance associated with the given request session.
+    If no user is retrieved, return an instance of `AnonymousUser`.
+    """
+    from .models import AnonymousUser
+
+    user = None
+    try:
+        user_id = _get_user_session_key(request)
+        backend_path = request.session[BACKEND_SESSION_KEY]
+    except KeyError:
+        pass
+    else:
+        if backend_path in settings.AUTHENTICATION_BACKENDS:
+            backend = load_backend(backend_path)
+            user = backend.get_user(user_id)
+            # Verify the session
+            if hasattr(user, "get_session_auth_hash"):
+                session_hash = request.session.get(HASH_SESSION_KEY)
+                if not session_hash:
+                    session_hash_verified = False
+                else:
+                    session_auth_hash = user.get_session_auth_hash()
+                    session_hash_verified = constant_time_compare(
+                        session_hash, session_auth_hash
+                    )
+                if not session_hash_verified:
+                    # If the current secret does not verify the session, try
+                    # with the fallback secrets and stop when a matching one is
+                    # found.
+                    if session_hash and any(
+                        constant_time_compare(session_hash, fallback_auth_hash)
+                        for fallback_auth_hash in user.get_session_auth_fallback_hash()
+                    ):
+                        request.session.cycle_key()
+                        request.session[HASH_SESSION_KEY] = session_auth_hash
+                    else:
+                        request.session.flush()
+                        user = None
+
+    return user or AnonymousUser()
+
+
+async def aget_user(request):
+    """See get_user()."""
+    return await sync_to_async(get_user)(request)
+
+
+def get_permission_codename(action, opts):
+    """
+    Return the codename of the permission for the specified action.
+    """
+    return "%s_%s" % (action, opts.model_name)
+
+
+def update_session_auth_hash(request, user):
+    """
+    Updating a user's password logs out all sessions for the user.
+
+    Take the current request and the updated user object from which the new
+    session hash will be derived and update the session hash appropriately to
+    prevent a password change from logging out the session from which the
+    password was changed.
+    """
+    request.session.cycle_key()
+    if hasattr(user, "get_session_auth_hash") and request.user == user:
+        request.session[HASH_SESSION_KEY] = user.get_session_auth_hash()
+
+
+async def aupdate_session_auth_hash(request, user):
+    """See update_session_auth_hash()."""
+    return await sync_to_async(update_session_auth_hash)(request, user)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/admin.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/admin.py
new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/admin.py
@@ -0,0 +1,232 @@
+from django.conf import settings
+from django.contrib import admin, messages
+from django.contrib.admin.options import IS_POPUP_VAR
+from django.contrib.admin.utils import unquote
+from django.contrib.auth import update_session_auth_hash
+from django.contrib.auth.forms import (
+    AdminPasswordChangeForm,
+    UserChangeForm,
+    UserCreationForm,
+)
+from django.contrib.auth.models import Group, User
+from django.core.exceptions import PermissionDenied
+from django.db import router, transaction
+from django.http import Http404, HttpResponseRedirect
+from django.template.response import TemplateResponse
+from django.urls import path, reverse
+from django.utils.decorators import method_decorator
+from django.utils.html import escape
+from django.utils.translation import gettext
+from django.utils.translation import gettext_lazy as _
+from django.views.decorators.csrf import csrf_protect
+from django.views.decorators.debug import sensitive_post_parameters
+
+csrf_protect_m = method_decorator(csrf_protect)
+sensitive_post_parameters_m = method_decorator(sensitive_post_parameters())
+
+
+@admin.register(Group)
+class GroupAdmin(admin.ModelAdmin):
+    search_fields = ("name",)
+    ordering = ("name",)
+    filter_horizontal = ("permissions",)
+
+    def formfield_for_manytomany(self, db_field, request=None, **kwargs):
+        if db_field.name == "permissions":
+            qs = kwargs.get("queryset", db_field.remote_field.model.objects)
+            # Avoid a major performance hit resolving permission names which
+            # triggers a content_type load:
+            kwargs["queryset"] = qs.select_related("content_type")
+        return super().formfield_for_manytomany(db_field, request=request, **kwargs)
+
+
+@admin.register(User)
+class UserAdmin(admin.ModelAdmin):
+    add_form_template = "admin/auth/user/add_form.html"
+    change_user_password_template = None
+    fieldsets = (
+        (None, {"fields": ("username", "password")}),
+        (_("Personal info"), {"fields": ("first_name", "last_name", "email")}),
+        (
+            _("Permissions"),
+            {
+                "fields": (
+                    "is_active",
+                    "is_staff",
+                    "is_superuser",
+                    "groups",
+                    "user_permissions",
+                ),
+            },
+        ),
+        (_("Important dates"), {"fields": ("last_login", "date_joined")}),
+    )
+    add_fieldsets = (
+        (
+            None,
+            {
+                "classes": ("wide",),
+                "fields": ("username", "password1", "password2"),
+            },
+        ),
+    )
+    form = UserChangeForm
+    add_form = UserCreationForm
+    change_password_form = AdminPasswordChangeForm
+    list_display = ("username", "email", "first_name", "last_name", "is_staff")
+    list_filter = ("is_staff", "is_superuser", "is_active", "groups")
+    search_fields = ("username", "first_name", "last_name", "email")
+    ordering = ("username",)
+    filter_horizontal = (
+        "groups",
+        "user_permissions",
+    )
+
+    def get_fieldsets(self, request, obj=None):
+        if not obj:
+            return self.add_fieldsets
+        return super().get_fieldsets(request, obj)
+
+    def get_form(self, request, obj=None, **kwargs):
+        """
+        Use special form during user creation
+        """
+        defaults = {}
+        if obj is None:
+            defaults["form"] = self.add_form
+        defaults.update(kwargs)
+        return super().get_form(request, obj, **defaults)
+
+    def get_urls(self):
+        return [
+            path(
+                "<id>/password/",
+                self.admin_site.admin_view(self.user_change_password),
+                name="auth_user_password_change",
+            ),
+        ] + super().get_urls()
+
+    # RemovedInDjango60Warning: when the deprecation ends, replace with:
+    # def lookup_allowed(self, lookup, value, request):
+    def lookup_allowed(self, lookup, value, request=None):
+        # Don't allow lookups involving passwords.
+        return not lookup.startswith("password") and super().lookup_allowed(
+            lookup, value, request
+        )
+
+    @sensitive_post_parameters_m
+    @csrf_protect_m
+    def add_view(self, request, form_url="", extra_context=None):
+        with transaction.atomic(using=router.db_for_write(self.model)):
+            return self._add_view(request, form_url, extra_context)
+
+    def _add_view(self, request, form_url="", extra_context=None):
+        # It's an error for a user to have add permission but NOT change
+        # permission for users. If we allowed such users to add users, they
+        # could create superusers, which would mean they would essentially have
+        # the permission to change users. To avoid the problem entirely, we
+        # disallow users from adding users if they don't have change
+        # permission.
+        if not self.has_change_permission(request):
+            if self.has_add_permission(request) and settings.DEBUG:
+                # Raise Http404 in debug mode so that the user gets a helpful
+                # error message.
+                raise Http404(
+                    'Your user does not have the "Change user" permission. In '
+                    "order to add users, Django requires that your user "
+                    'account have both the "Add user" and "Change user" '
+                    "permissions set."
+                )
+            raise PermissionDenied
+        if extra_context is None:
+            extra_context = {}
+        username_field = self.opts.get_field(self.model.USERNAME_FIELD)
+        defaults = {
+            "auto_populated_fields": (),
+            "username_help_text": username_field.help_text,
+        }
+        extra_context.update(defaults)
+        return super().add_view(request, form_url, extra_context)
+
+    @sensitive_post_parameters_m
+    def user_change_password(self, request, id, form_url=""):
+        user = self.get_object(request, unquote(id))
+        if not self.has_change_permission(request, user):
+            raise PermissionDenied
+        if user is None:
+            raise Http404(
+                _("%(name)s object with primary key %(key)r does not exist.")
+                % {
+                    "name": self.opts.verbose_name,
+                    "key": escape(id),
+                }
+            )
+        if request.method == "POST":
+            form = self.change_password_form(user, request.POST)
+            if form.is_valid():
+                form.save()
+                change_message = self.construct_change_message(request, form, None)
+                self.log_change(request, user, change_message)
+                msg = gettext("Password changed successfully.")
+                messages.success(request, msg)
+                update_session_auth_hash(request, form.user)
+                return HttpResponseRedirect(
+                    reverse(
+                        "%s:%s_%s_change"
+                        % (
+                            self.admin_site.name,
+                            user._meta.app_label,
+                            user._meta.model_name,
+                        ),
+                        args=(user.pk,),
+                    )
+                )
+        else:
+            form = self.change_password_form(user)
+
+        fieldsets = [(None, {"fields": list(form.base_fields)})]
+        admin_form = admin.helpers.AdminForm(form, fieldsets, {})
+
+        context = {
+            "title": _("Change password: %s") % escape(user.get_username()),
+            "adminForm": admin_form,
+            "form_url": form_url,
+            "form": form,
+            "is_popup": (IS_POPUP_VAR in request.POST or IS_POPUP_VAR in request.GET),
+            "is_popup_var": IS_POPUP_VAR,
+            "add": True,
+            "change": False,
+            "has_delete_permission": False,
+            "has_change_permission": True,
+            "has_absolute_url": False,
+            "opts": self.opts,
+            "original": user,
+            "save_as": False,
+            "show_save": True,
+            **self.admin_site.each_context(request),
+        }
+
+        request.current_app = self.admin_site.name
+
+        return TemplateResponse(
+            request,
+            self.change_user_password_template
+            or "admin/auth/user/change_password.html",
+            context,
+        )
+
+    def response_add(self, request, obj, post_url_continue=None):
+        """
+        Determine the HttpResponse for the add_view stage. It mostly defers to
+        its superclass implementation but is customized because the User model
+        has a slightly different workflow.
+        """
+        # We should allow further modification of the user just added i.e. the
+        # 'Save' button should behave like the 'Save and continue editing'
+        # button except in two scenarios:
+        # * The user has pressed the 'Save and add another' button
+        # * We are adding a user in a popup
+        if "_addanother" not in request.POST and IS_POPUP_VAR not in request.POST:
+            request.POST = request.POST.copy()
+            request.POST["_continue"] = 1
+        return super().response_add(request, obj, post_url_continue)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/apps.py
new file mode 100644
index 00000000..4882a27c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/apps.py
@@ -0,0 +1,30 @@
+from django.apps import AppConfig
+from django.core import checks
+from django.db.models.query_utils import DeferredAttribute
+from django.db.models.signals import post_migrate
+from django.utils.translation import gettext_lazy as _
+
+from . import get_user_model
+from .checks import check_models_permissions, check_user_model
+from .management import create_permissions
+from .signals import user_logged_in
+
+
+class AuthConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.auth"
+    verbose_name = _("Authentication and Authorization")
+
+    def ready(self):
+        post_migrate.connect(
+            create_permissions,
+            dispatch_uid="django.contrib.auth.management.create_permissions",
+        )
+        last_login_field = getattr(get_user_model(), "last_login", None)
+        # Register the handler only if UserModel.last_login is a field.
+        if isinstance(last_login_field, DeferredAttribute):
+            from .models import update_last_login
+
+            user_logged_in.connect(update_last_login, dispatch_uid="update_last_login")
+        checks.register(check_user_model, checks.Tags.models)
+        checks.register(check_models_permissions, checks.Tags.models)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/backends.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/backends.py
new file mode 100644
index 00000000..dd3c2e52
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/backends.py
@@ -0,0 +1,233 @@
+from django.contrib.auth import get_user_model
+from django.contrib.auth.models import Permission
+from django.db.models import Exists, OuterRef, Q
+
+UserModel = get_user_model()
+
+
+class BaseBackend:
+    def authenticate(self, request, **kwargs):
+        return None
+
+    def get_user(self, user_id):
+        return None
+
+    def get_user_permissions(self, user_obj, obj=None):
+        return set()
+
+    def get_group_permissions(self, user_obj, obj=None):
+        return set()
+
+    def get_all_permissions(self, user_obj, obj=None):
+        return {
+            *self.get_user_permissions(user_obj, obj=obj),
+            *self.get_group_permissions(user_obj, obj=obj),
+        }
+
+    def has_perm(self, user_obj, perm, obj=None):
+        return perm in self.get_all_permissions(user_obj, obj=obj)
+
+
+class ModelBackend(BaseBackend):
+    """
+    Authenticates against settings.AUTH_USER_MODEL.
+    """
+
+    def authenticate(self, request, username=None, password=None, **kwargs):
+        if username is None:
+            username = kwargs.get(UserModel.USERNAME_FIELD)
+        if username is None or password is None:
+            return
+        try:
+            user = UserModel._default_manager.get_by_natural_key(username)
+        except UserModel.DoesNotExist:
+            # Run the default password hasher once to reduce the timing
+            # difference between an existing and a nonexistent user (#20760).
+            UserModel().set_password(password)
+        else:
+            if user.check_password(password) and self.user_can_authenticate(user):
+                return user
+
+    def user_can_authenticate(self, user):
+        """
+        Reject users with is_active=False. Custom user models that don't have
+        that attribute are allowed.
+        """
+        return getattr(user, "is_active", True)
+
+    def _get_user_permissions(self, user_obj):
+        return user_obj.user_permissions.all()
+
+    def _get_group_permissions(self, user_obj):
+        user_groups_field = get_user_model()._meta.get_field("groups")
+        user_groups_query = "group__%s" % user_groups_field.related_query_name()
+        return Permission.objects.filter(**{user_groups_query: user_obj})
+
+    def _get_permissions(self, user_obj, obj, from_name):
+        """
+        Return the permissions of `user_obj` from `from_name`. `from_name` can
+        be either "group" or "user" to return permissions from
+        `_get_group_permissions` or `_get_user_permissions` respectively.
+        """
+        if not user_obj.is_active or user_obj.is_anonymous or obj is not None:
+            return set()
+
+        perm_cache_name = "_%s_perm_cache" % from_name
+        if not hasattr(user_obj, perm_cache_name):
+            if user_obj.is_superuser:
+                perms = Permission.objects.all()
+            else:
+                perms = getattr(self, "_get_%s_permissions" % from_name)(user_obj)
+            perms = perms.values_list("content_type__app_label", "codename").order_by()
+            setattr(
+                user_obj, perm_cache_name, {"%s.%s" % (ct, name) for ct, name in perms}
+            )
+        return getattr(user_obj, perm_cache_name)
+
+    def get_user_permissions(self, user_obj, obj=None):
+        """
+        Return a set of permission strings the user `user_obj` has from their
+        `user_permissions`.
+        """
+        return self._get_permissions(user_obj, obj, "user")
+
+    def get_group_permissions(self, user_obj, obj=None):
+        """
+        Return a set of permission strings the user `user_obj` has from the
+        groups they belong.
+        """
+        return self._get_permissions(user_obj, obj, "group")
+
+    def get_all_permissions(self, user_obj, obj=None):
+        if not user_obj.is_active or user_obj.is_anonymous or obj is not None:
+            return set()
+        if not hasattr(user_obj, "_perm_cache"):
+            user_obj._perm_cache = super().get_all_permissions(user_obj)
+        return user_obj._perm_cache
+
+    def has_perm(self, user_obj, perm, obj=None):
+        return user_obj.is_active and super().has_perm(user_obj, perm, obj=obj)
+
+    def has_module_perms(self, user_obj, app_label):
+        """
+        Return True if user_obj has any permissions in the given app_label.
+        """
+        return user_obj.is_active and any(
+            perm[: perm.index(".")] == app_label
+            for perm in self.get_all_permissions(user_obj)
+        )
+
+    def with_perm(self, perm, is_active=True, include_superusers=True, obj=None):
+        """
+        Return users that have permission "perm". By default, filter out
+        inactive users and include superusers.
+        """
+        if isinstance(perm, str):
+            try:
+                app_label, codename = perm.split(".")
+            except ValueError:
+                raise ValueError(
+                    "Permission name should be in the form "
+                    "app_label.permission_codename."
+                )
+        elif not isinstance(perm, Permission):
+            raise TypeError(
+                "The `perm` argument must be a string or a permission instance."
+            )
+
+        if obj is not None:
+            return UserModel._default_manager.none()
+
+        permission_q = Q(group__user=OuterRef("pk")) | Q(user=OuterRef("pk"))
+        if isinstance(perm, Permission):
+            permission_q &= Q(pk=perm.pk)
+        else:
+            permission_q &= Q(codename=codename, content_type__app_label=app_label)
+
+        user_q = Exists(Permission.objects.filter(permission_q))
+        if include_superusers:
+            user_q |= Q(is_superuser=True)
+        if is_active is not None:
+            user_q &= Q(is_active=is_active)
+
+        return UserModel._default_manager.filter(user_q)
+
+    def get_user(self, user_id):
+        try:
+            user = UserModel._default_manager.get(pk=user_id)
+        except UserModel.DoesNotExist:
+            return None
+        return user if self.user_can_authenticate(user) else None
+
+
+class AllowAllUsersModelBackend(ModelBackend):
+    def user_can_authenticate(self, user):
+        return True
+
+
+class RemoteUserBackend(ModelBackend):
+    """
+    This backend is to be used in conjunction with the ``RemoteUserMiddleware``
+    found in the middleware module of this package, and is used when the server
+    is handling authentication outside of Django.
+
+    By default, the ``authenticate`` method creates ``User`` objects for
+    usernames that don't already exist in the database.  Subclasses can disable
+    this behavior by setting the ``create_unknown_user`` attribute to
+    ``False``.
+    """
+
+    # Create a User object if not already in the database?
+    create_unknown_user = True
+
+    def authenticate(self, request, remote_user):
+        """
+        The username passed as ``remote_user`` is considered trusted. Return
+        the ``User`` object with the given username. Create a new ``User``
+        object if ``create_unknown_user`` is ``True``.
+
+        Return None if ``create_unknown_user`` is ``False`` and a ``User``
+        object with the given username is not found in the database.
+        """
+        if not remote_user:
+            return
+        created = False
+        user = None
+        username = self.clean_username(remote_user)
+
+        # Note that this could be accomplished in one try-except clause, but
+        # instead we use get_or_create when creating unknown users since it has
+        # built-in safeguards for multiple threads.
+        if self.create_unknown_user:
+            user, created = UserModel._default_manager.get_or_create(
+                **{UserModel.USERNAME_FIELD: username}
+            )
+        else:
+            try:
+                user = UserModel._default_manager.get_by_natural_key(username)
+            except UserModel.DoesNotExist:
+                pass
+        user = self.configure_user(request, user, created=created)
+        return user if self.user_can_authenticate(user) else None
+
+    def clean_username(self, username):
+        """
+        Perform any cleaning on the "username" prior to using it to get or
+        create the user object.  Return the cleaned username.
+
+        By default, return the username unchanged.
+        """
+        return username
+
+    def configure_user(self, request, user, created=True):
+        """
+        Configure a user and return the updated user.
+
+        By default, return the user unmodified.
+        """
+        return user
+
+
+class AllowAllUsersRemoteUserBackend(RemoteUserBackend):
+    def user_can_authenticate(self, user):
+        return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/base_user.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/base_user.py
new file mode 100644
index 00000000..386584b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/base_user.py
@@ -0,0 +1,180 @@
+"""
+This module allows importing AbstractBaseUser even when django.contrib.auth is
+not in INSTALLED_APPS.
+"""
+
+import unicodedata
+import warnings
+
+from django.conf import settings
+from django.contrib.auth import password_validation
+from django.contrib.auth.hashers import (
+    acheck_password,
+    check_password,
+    is_password_usable,
+    make_password,
+)
+from django.db import models
+from django.utils.crypto import get_random_string, salted_hmac
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.translation import gettext_lazy as _
+
+
+class BaseUserManager(models.Manager):
+    @classmethod
+    def normalize_email(cls, email):
+        """
+        Normalize the email address by lowercasing the domain part of it.
+        """
+        email = email or ""
+        try:
+            email_name, domain_part = email.strip().rsplit("@", 1)
+        except ValueError:
+            pass
+        else:
+            email = email_name + "@" + domain_part.lower()
+        return email
+
+    def make_random_password(
+        self,
+        length=10,
+        allowed_chars="abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789",
+    ):
+        """
+        Generate a random password with the given length and given
+        allowed_chars. The default value of allowed_chars does not have "I" or
+        "O" or letters and digits that look similar -- just to avoid confusion.
+        """
+        warnings.warn(
+            "BaseUserManager.make_random_password() is deprecated.",
+            category=RemovedInDjango51Warning,
+            stacklevel=2,
+        )
+        return get_random_string(length, allowed_chars)
+
+    def get_by_natural_key(self, username):
+        return self.get(**{self.model.USERNAME_FIELD: username})
+
+
+class AbstractBaseUser(models.Model):
+    password = models.CharField(_("password"), max_length=128)
+    last_login = models.DateTimeField(_("last login"), blank=True, null=True)
+
+    is_active = True
+
+    REQUIRED_FIELDS = []
+
+    # Stores the raw password if set_password() is called so that it can
+    # be passed to password_changed() after the model is saved.
+    _password = None
+
+    class Meta:
+        abstract = True
+
+    def __str__(self):
+        return self.get_username()
+
+    def save(self, *args, **kwargs):
+        super().save(*args, **kwargs)
+        if self._password is not None:
+            password_validation.password_changed(self._password, self)
+            self._password = None
+
+    def get_username(self):
+        """Return the username for this User."""
+        return getattr(self, self.USERNAME_FIELD)
+
+    def clean(self):
+        setattr(self, self.USERNAME_FIELD, self.normalize_username(self.get_username()))
+
+    def natural_key(self):
+        return (self.get_username(),)
+
+    @property
+    def is_anonymous(self):
+        """
+        Always return False. This is a way of comparing User objects to
+        anonymous users.
+        """
+        return False
+
+    @property
+    def is_authenticated(self):
+        """
+        Always return True. This is a way to tell if the user has been
+        authenticated in templates.
+        """
+        return True
+
+    def set_password(self, raw_password):
+        self.password = make_password(raw_password)
+        self._password = raw_password
+
+    def check_password(self, raw_password):
+        """
+        Return a boolean of whether the raw_password was correct. Handles
+        hashing formats behind the scenes.
+        """
+
+        def setter(raw_password):
+            self.set_password(raw_password)
+            # Password hash upgrades shouldn't be considered password changes.
+            self._password = None
+            self.save(update_fields=["password"])
+
+        return check_password(raw_password, self.password, setter)
+
+    async def acheck_password(self, raw_password):
+        """See check_password()."""
+
+        async def setter(raw_password):
+            self.set_password(raw_password)
+            # Password hash upgrades shouldn't be considered password changes.
+            self._password = None
+            await self.asave(update_fields=["password"])
+
+        return await acheck_password(raw_password, self.password, setter)
+
+    def set_unusable_password(self):
+        # Set a value that will never be a valid hash
+        self.password = make_password(None)
+
+    def has_usable_password(self):
+        """
+        Return False if set_unusable_password() has been called for this user.
+        """
+        return is_password_usable(self.password)
+
+    def get_session_auth_hash(self):
+        """
+        Return an HMAC of the password field.
+        """
+        return self._get_session_auth_hash()
+
+    def get_session_auth_fallback_hash(self):
+        for fallback_secret in settings.SECRET_KEY_FALLBACKS:
+            yield self._get_session_auth_hash(secret=fallback_secret)
+
+    def _get_session_auth_hash(self, secret=None):
+        key_salt = "django.contrib.auth.models.AbstractBaseUser.get_session_auth_hash"
+        return salted_hmac(
+            key_salt,
+            self.password,
+            secret=secret,
+            algorithm="sha256",
+        ).hexdigest()
+
+    @classmethod
+    def get_email_field_name(cls):
+        try:
+            return cls.EMAIL_FIELD
+        except AttributeError:
+            return "email"
+
+    @classmethod
+    def normalize_username(cls, username):
+        return (
+            unicodedata.normalize("NFKC", username)
+            if isinstance(username, str)
+            else username
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/checks.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/checks.py
new file mode 100644
index 00000000..ee808252
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/checks.py
@@ -0,0 +1,220 @@
+from itertools import chain
+from types import MethodType
+
+from django.apps import apps
+from django.conf import settings
+from django.core import checks
+
+from .management import _get_builtin_permissions
+
+
+def check_user_model(app_configs=None, **kwargs):
+    if app_configs is None:
+        cls = apps.get_model(settings.AUTH_USER_MODEL)
+    else:
+        app_label, model_name = settings.AUTH_USER_MODEL.split(".")
+        for app_config in app_configs:
+            if app_config.label == app_label:
+                cls = app_config.get_model(model_name)
+                break
+        else:
+            # Checks might be run against a set of app configs that don't
+            # include the specified user model. In this case we simply don't
+            # perform the checks defined below.
+            return []
+
+    errors = []
+
+    # Check that REQUIRED_FIELDS is a list
+    if not isinstance(cls.REQUIRED_FIELDS, (list, tuple)):
+        errors.append(
+            checks.Error(
+                "'REQUIRED_FIELDS' must be a list or tuple.",
+                obj=cls,
+                id="auth.E001",
+            )
+        )
+
+    # Check that the USERNAME FIELD isn't included in REQUIRED_FIELDS.
+    if cls.USERNAME_FIELD in cls.REQUIRED_FIELDS:
+        errors.append(
+            checks.Error(
+                "The field named as the 'USERNAME_FIELD' "
+                "for a custom user model must not be included in 'REQUIRED_FIELDS'.",
+                hint=(
+                    "The 'USERNAME_FIELD' is currently set to '%s', you "
+                    "should remove '%s' from the 'REQUIRED_FIELDS'."
+                    % (cls.USERNAME_FIELD, cls.USERNAME_FIELD)
+                ),
+                obj=cls,
+                id="auth.E002",
+            )
+        )
+
+    # Check that the username field is unique
+    if not cls._meta.get_field(cls.USERNAME_FIELD).unique and not any(
+        constraint.fields == (cls.USERNAME_FIELD,)
+        for constraint in cls._meta.total_unique_constraints
+    ):
+        if settings.AUTHENTICATION_BACKENDS == [
+            "django.contrib.auth.backends.ModelBackend"
+        ]:
+            errors.append(
+                checks.Error(
+                    "'%s.%s' must be unique because it is named as the "
+                    "'USERNAME_FIELD'." % (cls._meta.object_name, cls.USERNAME_FIELD),
+                    obj=cls,
+                    id="auth.E003",
+                )
+            )
+        else:
+            errors.append(
+                checks.Warning(
+                    "'%s.%s' is named as the 'USERNAME_FIELD', but it is not unique."
+                    % (cls._meta.object_name, cls.USERNAME_FIELD),
+                    hint=(
+                        "Ensure that your authentication backend(s) can handle "
+                        "non-unique usernames."
+                    ),
+                    obj=cls,
+                    id="auth.W004",
+                )
+            )
+
+    if isinstance(cls().is_anonymous, MethodType):
+        errors.append(
+            checks.Critical(
+                "%s.is_anonymous must be an attribute or property rather than "
+                "a method. Ignoring this is a security issue as anonymous "
+                "users will be treated as authenticated!" % cls,
+                obj=cls,
+                id="auth.C009",
+            )
+        )
+    if isinstance(cls().is_authenticated, MethodType):
+        errors.append(
+            checks.Critical(
+                "%s.is_authenticated must be an attribute or property rather "
+                "than a method. Ignoring this is a security issue as anonymous "
+                "users will be treated as authenticated!" % cls,
+                obj=cls,
+                id="auth.C010",
+            )
+        )
+    return errors
+
+
+def check_models_permissions(app_configs=None, **kwargs):
+    if app_configs is None:
+        models = apps.get_models()
+    else:
+        models = chain.from_iterable(
+            app_config.get_models() for app_config in app_configs
+        )
+
+    Permission = apps.get_model("auth", "Permission")
+    permission_name_max_length = Permission._meta.get_field("name").max_length
+    permission_codename_max_length = Permission._meta.get_field("codename").max_length
+    errors = []
+
+    for model in models:
+        opts = model._meta
+        builtin_permissions = dict(_get_builtin_permissions(opts))
+        # Check builtin permission name length.
+        max_builtin_permission_name_length = (
+            max(len(name) for name in builtin_permissions.values())
+            if builtin_permissions
+            else 0
+        )
+        if max_builtin_permission_name_length > permission_name_max_length:
+            verbose_name_max_length = permission_name_max_length - (
+                max_builtin_permission_name_length - len(opts.verbose_name_raw)
+            )
+            errors.append(
+                checks.Error(
+                    "The verbose_name of model '%s' must be at most %d "
+                    "characters for its builtin permission names to be at "
+                    "most %d characters."
+                    % (opts.label, verbose_name_max_length, permission_name_max_length),
+                    obj=model,
+                    id="auth.E007",
+                )
+            )
+        # Check builtin permission codename length.
+        max_builtin_permission_codename_length = (
+            max(len(codename) for codename in builtin_permissions.keys())
+            if builtin_permissions
+            else 0
+        )
+        if max_builtin_permission_codename_length > permission_codename_max_length:
+            model_name_max_length = permission_codename_max_length - (
+                max_builtin_permission_codename_length - len(opts.model_name)
+            )
+            errors.append(
+                checks.Error(
+                    "The name of model '%s' must be at most %d characters "
+                    "for its builtin permission codenames to be at most %d "
+                    "characters."
+                    % (
+                        opts.label,
+                        model_name_max_length,
+                        permission_codename_max_length,
+                    ),
+                    obj=model,
+                    id="auth.E011",
+                )
+            )
+        codenames = set()
+        for codename, name in opts.permissions:
+            # Check custom permission name length.
+            if len(name) > permission_name_max_length:
+                errors.append(
+                    checks.Error(
+                        "The permission named '%s' of model '%s' is longer "
+                        "than %d characters."
+                        % (
+                            name,
+                            opts.label,
+                            permission_name_max_length,
+                        ),
+                        obj=model,
+                        id="auth.E008",
+                    )
+                )
+            # Check custom permission codename length.
+            if len(codename) > permission_codename_max_length:
+                errors.append(
+                    checks.Error(
+                        "The permission codenamed '%s' of model '%s' is "
+                        "longer than %d characters."
+                        % (
+                            codename,
+                            opts.label,
+                            permission_codename_max_length,
+                        ),
+                        obj=model,
+                        id="auth.E012",
+                    )
+                )
+            # Check custom permissions codename clashing.
+            if codename in builtin_permissions:
+                errors.append(
+                    checks.Error(
+                        "The permission codenamed '%s' clashes with a builtin "
+                        "permission for model '%s'." % (codename, opts.label),
+                        obj=model,
+                        id="auth.E005",
+                    )
+                )
+            elif codename in codenames:
+                errors.append(
+                    checks.Error(
+                        "The permission codenamed '%s' is duplicated for "
+                        "model '%s'." % (codename, opts.label),
+                        obj=model,
+                        id="auth.E006",
+                    )
+                )
+            codenames.add(codename)
+
+    return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/common-passwords.txt.gz b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/common-passwords.txt.gz
new file mode 100644
index 00000000..bc94fdec
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/common-passwords.txt.gz differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/context_processors.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/context_processors.py
new file mode 100644
index 00000000..0a881992
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/context_processors.py
@@ -0,0 +1,67 @@
+# PermWrapper and PermLookupDict proxy the permissions system into objects that
+# the template system can understand.
+
+
+class PermLookupDict:
+    def __init__(self, user, app_label):
+        self.user, self.app_label = user, app_label
+
+    def __repr__(self):
+        return str(self.user.get_all_permissions())
+
+    def __getitem__(self, perm_name):
+        return self.user.has_perm("%s.%s" % (self.app_label, perm_name))
+
+    def __iter__(self):
+        # To fix 'item in perms.someapp' and __getitem__ interaction we need to
+        # define __iter__. See #18979 for details.
+        raise TypeError("PermLookupDict is not iterable.")
+
+    def __bool__(self):
+        return self.user.has_module_perms(self.app_label)
+
+
+class PermWrapper:
+    def __init__(self, user):
+        self.user = user
+
+    def __repr__(self):
+        return f"{self.__class__.__qualname__}({self.user!r})"
+
+    def __getitem__(self, app_label):
+        return PermLookupDict(self.user, app_label)
+
+    def __iter__(self):
+        # I am large, I contain multitudes.
+        raise TypeError("PermWrapper is not iterable.")
+
+    def __contains__(self, perm_name):
+        """
+        Lookup by "someapp" or "someapp.someperm" in perms.
+        """
+        if "." not in perm_name:
+            # The name refers to module.
+            return bool(self[perm_name])
+        app_label, perm_name = perm_name.split(".", 1)
+        return self[app_label][perm_name]
+
+
+def auth(request):
+    """
+    Return context variables required by apps that use Django's authentication
+    system.
+
+    If there is no 'user' attribute in the request, use AnonymousUser (from
+    django.contrib.auth).
+    """
+    if hasattr(request, "user"):
+        user = request.user
+    else:
+        from django.contrib.auth.models import AnonymousUser
+
+        user = AnonymousUser()
+
+    return {
+        "user": user,
+        "perms": PermWrapper(user),
+    }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/decorators.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/decorators.py
new file mode 100644
index 00000000..cfcc4a2d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/decorators.py
@@ -0,0 +1,82 @@
+from functools import wraps
+from urllib.parse import urlparse
+
+from django.conf import settings
+from django.contrib.auth import REDIRECT_FIELD_NAME
+from django.core.exceptions import PermissionDenied
+from django.shortcuts import resolve_url
+
+
+def user_passes_test(
+    test_func, login_url=None, redirect_field_name=REDIRECT_FIELD_NAME
+):
+    """
+    Decorator for views that checks that the user passes the given test,
+    redirecting to the log-in page if necessary. The test should be a callable
+    that takes the user object and returns True if the user passes.
+    """
+
+    def decorator(view_func):
+        @wraps(view_func)
+        def _wrapper_view(request, *args, **kwargs):
+            if test_func(request.user):
+                return view_func(request, *args, **kwargs)
+            path = request.build_absolute_uri()
+            resolved_login_url = resolve_url(login_url or settings.LOGIN_URL)
+            # If the login url is the same scheme and net location then just
+            # use the path as the "next" url.
+            login_scheme, login_netloc = urlparse(resolved_login_url)[:2]
+            current_scheme, current_netloc = urlparse(path)[:2]
+            if (not login_scheme or login_scheme == current_scheme) and (
+                not login_netloc or login_netloc == current_netloc
+            ):
+                path = request.get_full_path()
+            from django.contrib.auth.views import redirect_to_login
+
+            return redirect_to_login(path, resolved_login_url, redirect_field_name)
+
+        return _wrapper_view
+
+    return decorator
+
+
+def login_required(
+    function=None, redirect_field_name=REDIRECT_FIELD_NAME, login_url=None
+):
+    """
+    Decorator for views that checks that the user is logged in, redirecting
+    to the log-in page if necessary.
+    """
+    actual_decorator = user_passes_test(
+        lambda u: u.is_authenticated,
+        login_url=login_url,
+        redirect_field_name=redirect_field_name,
+    )
+    if function:
+        return actual_decorator(function)
+    return actual_decorator
+
+
+def permission_required(perm, login_url=None, raise_exception=False):
+    """
+    Decorator for views that checks whether a user has a particular permission
+    enabled, redirecting to the log-in page if necessary.
+    If the raise_exception parameter is given the PermissionDenied exception
+    is raised.
+    """
+
+    def check_perms(user):
+        if isinstance(perm, str):
+            perms = (perm,)
+        else:
+            perms = perm
+        # First check if the user has the permission (even anon users)
+        if user.has_perms(perms):
+            return True
+        # In case the 403 handler should be called raise the exception
+        if raise_exception:
+            raise PermissionDenied
+        # As the last resort, show the login form
+        return False
+
+    return user_passes_test(check_perms, login_url=login_url)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/forms.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/forms.py
new file mode 100644
index 00000000..061dc81b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/forms.py
@@ -0,0 +1,518 @@
+import unicodedata
+
+from django import forms
+from django.contrib.auth import authenticate, get_user_model, password_validation
+from django.contrib.auth.hashers import UNUSABLE_PASSWORD_PREFIX, identify_hasher
+from django.contrib.auth.models import User
+from django.contrib.auth.tokens import default_token_generator
+from django.contrib.sites.shortcuts import get_current_site
+from django.core.exceptions import ValidationError
+from django.core.mail import EmailMultiAlternatives
+from django.template import loader
+from django.utils.encoding import force_bytes
+from django.utils.http import urlsafe_base64_encode
+from django.utils.text import capfirst
+from django.utils.translation import gettext
+from django.utils.translation import gettext_lazy as _
+
+UserModel = get_user_model()
+
+
+def _unicode_ci_compare(s1, s2):
+    """
+    Perform case-insensitive comparison of two identifiers, using the
+    recommended algorithm from Unicode Technical Report 36, section
+    2.11.2(B)(2).
+    """
+    return (
+        unicodedata.normalize("NFKC", s1).casefold()
+        == unicodedata.normalize("NFKC", s2).casefold()
+    )
+
+
+class ReadOnlyPasswordHashWidget(forms.Widget):
+    template_name = "auth/widgets/read_only_password_hash.html"
+    read_only = True
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        summary = []
+        if not value or value.startswith(UNUSABLE_PASSWORD_PREFIX):
+            summary.append({"label": gettext("No password set.")})
+        else:
+            try:
+                hasher = identify_hasher(value)
+            except ValueError:
+                summary.append(
+                    {
+                        "label": gettext(
+                            "Invalid password format or unknown hashing algorithm."
+                        )
+                    }
+                )
+            else:
+                for key, value_ in hasher.safe_summary(value).items():
+                    summary.append({"label": gettext(key), "value": value_})
+        context["summary"] = summary
+        return context
+
+    def id_for_label(self, id_):
+        return None
+
+
+class ReadOnlyPasswordHashField(forms.Field):
+    widget = ReadOnlyPasswordHashWidget
+
+    def __init__(self, *args, **kwargs):
+        kwargs.setdefault("required", False)
+        kwargs.setdefault("disabled", True)
+        super().__init__(*args, **kwargs)
+
+
+class UsernameField(forms.CharField):
+    def to_python(self, value):
+        value = super().to_python(value)
+        if self.max_length is not None and len(value) > self.max_length:
+            # Normalization can increase the string length (e.g.
+            # "ff" -> "ff", "½" -> "1⁄2") but cannot reduce it, so there is no
+            # point in normalizing invalid data. Moreover, Unicode
+            # normalization is very slow on Windows and can be a DoS attack
+            # vector.
+            return value
+        return unicodedata.normalize("NFKC", value)
+
+    def widget_attrs(self, widget):
+        return {
+            **super().widget_attrs(widget),
+            "autocapitalize": "none",
+            "autocomplete": "username",
+        }
+
+
+class BaseUserCreationForm(forms.ModelForm):
+    """
+    A form that creates a user, with no privileges, from the given username and
+    password.
+    """
+
+    error_messages = {
+        "password_mismatch": _("The two password fields didn’t match."),
+    }
+    password1 = forms.CharField(
+        label=_("Password"),
+        strip=False,
+        widget=forms.PasswordInput(attrs={"autocomplete": "new-password"}),
+        help_text=password_validation.password_validators_help_text_html(),
+    )
+    password2 = forms.CharField(
+        label=_("Password confirmation"),
+        widget=forms.PasswordInput(attrs={"autocomplete": "new-password"}),
+        strip=False,
+        help_text=_("Enter the same password as before, for verification."),
+    )
+
+    class Meta:
+        model = User
+        fields = ("username",)
+        field_classes = {"username": UsernameField}
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if self._meta.model.USERNAME_FIELD in self.fields:
+            self.fields[self._meta.model.USERNAME_FIELD].widget.attrs[
+                "autofocus"
+            ] = True
+
+    def clean_password2(self):
+        password1 = self.cleaned_data.get("password1")
+        password2 = self.cleaned_data.get("password2")
+        if password1 and password2 and password1 != password2:
+            raise ValidationError(
+                self.error_messages["password_mismatch"],
+                code="password_mismatch",
+            )
+        return password2
+
+    def _post_clean(self):
+        super()._post_clean()
+        # Validate the password after self.instance is updated with form data
+        # by super().
+        password = self.cleaned_data.get("password2")
+        if password:
+            try:
+                password_validation.validate_password(password, self.instance)
+            except ValidationError as error:
+                self.add_error("password2", error)
+
+    def save(self, commit=True):
+        user = super().save(commit=False)
+        user.set_password(self.cleaned_data["password1"])
+        if commit:
+            user.save()
+            if hasattr(self, "save_m2m"):
+                self.save_m2m()
+        return user
+
+
+class UserCreationForm(BaseUserCreationForm):
+    def clean_username(self):
+        """Reject usernames that differ only in case."""
+        username = self.cleaned_data.get("username")
+        if (
+            username
+            and self._meta.model.objects.filter(username__iexact=username).exists()
+        ):
+            self._update_errors(
+                ValidationError(
+                    {
+                        "username": self.instance.unique_error_message(
+                            self._meta.model, ["username"]
+                        )
+                    }
+                )
+            )
+        else:
+            return username
+
+
+class UserChangeForm(forms.ModelForm):
+    password = ReadOnlyPasswordHashField(
+        label=_("Password"),
+        help_text=_(
+            "Raw passwords are not stored, so there is no way to see this "
+            "user’s password, but you can change the password using "
+            '<a href="{}">this form</a>.'
+        ),
+    )
+
+    class Meta:
+        model = User
+        fields = "__all__"
+        field_classes = {"username": UsernameField}
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        password = self.fields.get("password")
+        if password:
+            password.help_text = password.help_text.format(
+                f"../../{self.instance.pk}/password/"
+            )
+        user_permissions = self.fields.get("user_permissions")
+        if user_permissions:
+            user_permissions.queryset = user_permissions.queryset.select_related(
+                "content_type"
+            )
+
+
+class AuthenticationForm(forms.Form):
+    """
+    Base class for authenticating users. Extend this to get a form that accepts
+    username/password logins.
+    """
+
+    username = UsernameField(widget=forms.TextInput(attrs={"autofocus": True}))
+    password = forms.CharField(
+        label=_("Password"),
+        strip=False,
+        widget=forms.PasswordInput(attrs={"autocomplete": "current-password"}),
+    )
+
+    error_messages = {
+        "invalid_login": _(
+            "Please enter a correct %(username)s and password. Note that both "
+            "fields may be case-sensitive."
+        ),
+        "inactive": _("This account is inactive."),
+    }
+
+    def __init__(self, request=None, *args, **kwargs):
+        """
+        The 'request' parameter is set for custom auth use by subclasses.
+        The form data comes in via the standard 'data' kwarg.
+        """
+        self.request = request
+        self.user_cache = None
+        super().__init__(*args, **kwargs)
+
+        # Set the max length and label for the "username" field.
+        self.username_field = UserModel._meta.get_field(UserModel.USERNAME_FIELD)
+        username_max_length = self.username_field.max_length or 254
+        self.fields["username"].max_length = username_max_length
+        self.fields["username"].widget.attrs["maxlength"] = username_max_length
+        if self.fields["username"].label is None:
+            self.fields["username"].label = capfirst(self.username_field.verbose_name)
+
+    def clean(self):
+        username = self.cleaned_data.get("username")
+        password = self.cleaned_data.get("password")
+
+        if username is not None and password:
+            self.user_cache = authenticate(
+                self.request, username=username, password=password
+            )
+            if self.user_cache is None:
+                raise self.get_invalid_login_error()
+            else:
+                self.confirm_login_allowed(self.user_cache)
+
+        return self.cleaned_data
+
+    def confirm_login_allowed(self, user):
+        """
+        Controls whether the given User may log in. This is a policy setting,
+        independent of end-user authentication. This default behavior is to
+        allow login by active users, and reject login by inactive users.
+
+        If the given user cannot log in, this method should raise a
+        ``ValidationError``.
+
+        If the given user may log in, this method should return None.
+        """
+        if not user.is_active:
+            raise ValidationError(
+                self.error_messages["inactive"],
+                code="inactive",
+            )
+
+    def get_user(self):
+        return self.user_cache
+
+    def get_invalid_login_error(self):
+        return ValidationError(
+            self.error_messages["invalid_login"],
+            code="invalid_login",
+            params={"username": self.username_field.verbose_name},
+        )
+
+
+class PasswordResetForm(forms.Form):
+    email = forms.EmailField(
+        label=_("Email"),
+        max_length=254,
+        widget=forms.EmailInput(attrs={"autocomplete": "email"}),
+    )
+
+    def send_mail(
+        self,
+        subject_template_name,
+        email_template_name,
+        context,
+        from_email,
+        to_email,
+        html_email_template_name=None,
+    ):
+        """
+        Send a django.core.mail.EmailMultiAlternatives to `to_email`.
+        """
+        subject = loader.render_to_string(subject_template_name, context)
+        # Email subject *must not* contain newlines
+        subject = "".join(subject.splitlines())
+        body = loader.render_to_string(email_template_name, context)
+
+        email_message = EmailMultiAlternatives(subject, body, from_email, [to_email])
+        if html_email_template_name is not None:
+            html_email = loader.render_to_string(html_email_template_name, context)
+            email_message.attach_alternative(html_email, "text/html")
+
+        email_message.send()
+
+    def get_users(self, email):
+        """Given an email, return matching user(s) who should receive a reset.
+
+        This allows subclasses to more easily customize the default policies
+        that prevent inactive users and users with unusable passwords from
+        resetting their password.
+        """
+        email_field_name = UserModel.get_email_field_name()
+        active_users = UserModel._default_manager.filter(
+            **{
+                "%s__iexact" % email_field_name: email,
+                "is_active": True,
+            }
+        )
+        return (
+            u
+            for u in active_users
+            if u.has_usable_password()
+            and _unicode_ci_compare(email, getattr(u, email_field_name))
+        )
+
+    def save(
+        self,
+        domain_override=None,
+        subject_template_name="registration/password_reset_subject.txt",
+        email_template_name="registration/password_reset_email.html",
+        use_https=False,
+        token_generator=default_token_generator,
+        from_email=None,
+        request=None,
+        html_email_template_name=None,
+        extra_email_context=None,
+    ):
+        """
+        Generate a one-use only link for resetting password and send it to the
+        user.
+        """
+        email = self.cleaned_data["email"]
+        if not domain_override:
+            current_site = get_current_site(request)
+            site_name = current_site.name
+            domain = current_site.domain
+        else:
+            site_name = domain = domain_override
+        email_field_name = UserModel.get_email_field_name()
+        for user in self.get_users(email):
+            user_email = getattr(user, email_field_name)
+            context = {
+                "email": user_email,
+                "domain": domain,
+                "site_name": site_name,
+                "uid": urlsafe_base64_encode(force_bytes(user.pk)),
+                "user": user,
+                "token": token_generator.make_token(user),
+                "protocol": "https" if use_https else "http",
+                **(extra_email_context or {}),
+            }
+            self.send_mail(
+                subject_template_name,
+                email_template_name,
+                context,
+                from_email,
+                user_email,
+                html_email_template_name=html_email_template_name,
+            )
+
+
+class SetPasswordForm(forms.Form):
+    """
+    A form that lets a user set their password without entering the old
+    password
+    """
+
+    error_messages = {
+        "password_mismatch": _("The two password fields didn’t match."),
+    }
+    new_password1 = forms.CharField(
+        label=_("New password"),
+        widget=forms.PasswordInput(attrs={"autocomplete": "new-password"}),
+        strip=False,
+        help_text=password_validation.password_validators_help_text_html(),
+    )
+    new_password2 = forms.CharField(
+        label=_("New password confirmation"),
+        strip=False,
+        widget=forms.PasswordInput(attrs={"autocomplete": "new-password"}),
+    )
+
+    def __init__(self, user, *args, **kwargs):
+        self.user = user
+        super().__init__(*args, **kwargs)
+
+    def clean_new_password2(self):
+        password1 = self.cleaned_data.get("new_password1")
+        password2 = self.cleaned_data.get("new_password2")
+        if password1 and password2 and password1 != password2:
+            raise ValidationError(
+                self.error_messages["password_mismatch"],
+                code="password_mismatch",
+            )
+        password_validation.validate_password(password2, self.user)
+        return password2
+
+    def save(self, commit=True):
+        password = self.cleaned_data["new_password1"]
+        self.user.set_password(password)
+        if commit:
+            self.user.save()
+        return self.user
+
+
+class PasswordChangeForm(SetPasswordForm):
+    """
+    A form that lets a user change their password by entering their old
+    password.
+    """
+
+    error_messages = {
+        **SetPasswordForm.error_messages,
+        "password_incorrect": _(
+            "Your old password was entered incorrectly. Please enter it again."
+        ),
+    }
+    old_password = forms.CharField(
+        label=_("Old password"),
+        strip=False,
+        widget=forms.PasswordInput(
+            attrs={"autocomplete": "current-password", "autofocus": True}
+        ),
+    )
+
+    field_order = ["old_password", "new_password1", "new_password2"]
+
+    def clean_old_password(self):
+        """
+        Validate that the old_password field is correct.
+        """
+        old_password = self.cleaned_data["old_password"]
+        if not self.user.check_password(old_password):
+            raise ValidationError(
+                self.error_messages["password_incorrect"],
+                code="password_incorrect",
+            )
+        return old_password
+
+
+class AdminPasswordChangeForm(forms.Form):
+    """
+    A form used to change the password of a user in the admin interface.
+    """
+
+    error_messages = {
+        "password_mismatch": _("The two password fields didn’t match."),
+    }
+    required_css_class = "required"
+    password1 = forms.CharField(
+        label=_("Password"),
+        widget=forms.PasswordInput(
+            attrs={"autocomplete": "new-password", "autofocus": True}
+        ),
+        strip=False,
+        help_text=password_validation.password_validators_help_text_html(),
+    )
+    password2 = forms.CharField(
+        label=_("Password (again)"),
+        widget=forms.PasswordInput(attrs={"autocomplete": "new-password"}),
+        strip=False,
+        help_text=_("Enter the same password as before, for verification."),
+    )
+
+    def __init__(self, user, *args, **kwargs):
+        self.user = user
+        super().__init__(*args, **kwargs)
+
+    def clean_password2(self):
+        password1 = self.cleaned_data.get("password1")
+        password2 = self.cleaned_data.get("password2")
+        if password1 and password2 and password1 != password2:
+            raise ValidationError(
+                self.error_messages["password_mismatch"],
+                code="password_mismatch",
+            )
+        password_validation.validate_password(password2, self.user)
+        return password2
+
+    def save(self, commit=True):
+        """Save the new password."""
+        password = self.cleaned_data["password1"]
+        self.user.set_password(password)
+        if commit:
+            self.user.save()
+        return self.user
+
+    @property
+    def changed_data(self):
+        data = super().changed_data
+        for name in self.fields:
+            if name not in data:
+                return []
+        return ["password"]
diff --git a/src/wq/mysite/myapp/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/__init__.py
similarity index 100%
rename from src/wq/mysite/myapp/__init__.py
rename to src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/__init__.py
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..e9d48735
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/__pycache__/modwsgi.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/__pycache__/modwsgi.cpython-311.pyc
new file mode 100644
index 00000000..840335ec
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/__pycache__/modwsgi.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/modwsgi.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/modwsgi.py
new file mode 100644
index 00000000..591ec72c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/handlers/modwsgi.py
@@ -0,0 +1,43 @@
+from django import db
+from django.contrib import auth
+
+UserModel = auth.get_user_model()
+
+
+def check_password(environ, username, password):
+    """
+    Authenticate against Django's auth database.
+
+    mod_wsgi docs specify None, True, False as return value depending
+    on whether the user exists and authenticates.
+    """
+    # db connection state is managed similarly to the wsgi handler
+    # as mod_wsgi may call these functions outside of a request/response cycle
+    db.reset_queries()
+    try:
+        try:
+            user = UserModel._default_manager.get_by_natural_key(username)
+        except UserModel.DoesNotExist:
+            return None
+        if not user.is_active:
+            return None
+        return user.check_password(password)
+    finally:
+        db.close_old_connections()
+
+
+def groups_for_user(environ, username):
+    """
+    Authorize a user based on groups
+    """
+    db.reset_queries()
+    try:
+        try:
+            user = UserModel._default_manager.get_by_natural_key(username)
+        except UserModel.DoesNotExist:
+            return []
+        if not user.is_active:
+            return []
+        return [group.name.encode() for group in user.groups.all()]
+    finally:
+        db.close_old_connections()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/hashers.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/hashers.py
new file mode 100644
index 00000000..b63904cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/hashers.py
@@ -0,0 +1,842 @@
+import base64
+import binascii
+import functools
+import hashlib
+import importlib
+import math
+import warnings
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.core.signals import setting_changed
+from django.dispatch import receiver
+from django.utils.crypto import (
+    RANDOM_STRING_CHARS,
+    constant_time_compare,
+    get_random_string,
+    pbkdf2,
+)
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.module_loading import import_string
+from django.utils.translation import gettext_noop as _
+
+UNUSABLE_PASSWORD_PREFIX = "!"  # This will never be a valid encoded hash
+UNUSABLE_PASSWORD_SUFFIX_LENGTH = (
+    40  # number of random chars to add after UNUSABLE_PASSWORD_PREFIX
+)
+
+
+def is_password_usable(encoded):
+    """
+    Return True if this password wasn't generated by
+    User.set_unusable_password(), i.e. make_password(None).
+    """
+    return encoded is None or not encoded.startswith(UNUSABLE_PASSWORD_PREFIX)
+
+
+def verify_password(password, encoded, preferred="default"):
+    """
+    Return two booleans. The first is whether the raw password matches the
+    three part encoded digest, and the second whether to regenerate the
+    password.
+    """
+    if password is None or not is_password_usable(encoded):
+        return False, False
+
+    preferred = get_hasher(preferred)
+    try:
+        hasher = identify_hasher(encoded)
+    except ValueError:
+        # encoded is gibberish or uses a hasher that's no longer installed.
+        return False, False
+
+    hasher_changed = hasher.algorithm != preferred.algorithm
+    must_update = hasher_changed or preferred.must_update(encoded)
+    is_correct = hasher.verify(password, encoded)
+
+    # If the hasher didn't change (we don't protect against enumeration if it
+    # does) and the password should get updated, try to close the timing gap
+    # between the work factor of the current encoded password and the default
+    # work factor.
+    if not is_correct and not hasher_changed and must_update:
+        hasher.harden_runtime(password, encoded)
+
+    return is_correct, must_update
+
+
+def check_password(password, encoded, setter=None, preferred="default"):
+    """
+    Return a boolean of whether the raw password matches the three part encoded
+    digest.
+
+    If setter is specified, it'll be called when you need to regenerate the
+    password.
+    """
+    is_correct, must_update = verify_password(password, encoded, preferred=preferred)
+    if setter and is_correct and must_update:
+        setter(password)
+    return is_correct
+
+
+async def acheck_password(password, encoded, setter=None, preferred="default"):
+    """See check_password()."""
+    is_correct, must_update = verify_password(password, encoded, preferred=preferred)
+    if setter and is_correct and must_update:
+        await setter(password)
+    return is_correct
+
+
+def make_password(password, salt=None, hasher="default"):
+    """
+    Turn a plain-text password into a hash for database storage
+
+    Same as encode() but generate a new random salt. If password is None then
+    return a concatenation of UNUSABLE_PASSWORD_PREFIX and a random string,
+    which disallows logins. Additional random string reduces chances of gaining
+    access to staff or superuser accounts. See ticket #20079 for more info.
+    """
+    if password is None:
+        return UNUSABLE_PASSWORD_PREFIX + get_random_string(
+            UNUSABLE_PASSWORD_SUFFIX_LENGTH
+        )
+    if not isinstance(password, (bytes, str)):
+        raise TypeError(
+            "Password must be a string or bytes, got %s." % type(password).__qualname__
+        )
+    hasher = get_hasher(hasher)
+    salt = salt or hasher.salt()
+    return hasher.encode(password, salt)
+
+
+@functools.lru_cache
+def get_hashers():
+    hashers = []
+    for hasher_path in settings.PASSWORD_HASHERS:
+        hasher_cls = import_string(hasher_path)
+        hasher = hasher_cls()
+        if not getattr(hasher, "algorithm"):
+            raise ImproperlyConfigured(
+                "hasher doesn't specify an algorithm name: %s" % hasher_path
+            )
+        hashers.append(hasher)
+    return hashers
+
+
+@functools.lru_cache
+def get_hashers_by_algorithm():
+    return {hasher.algorithm: hasher for hasher in get_hashers()}
+
+
+@receiver(setting_changed)
+def reset_hashers(*, setting, **kwargs):
+    if setting == "PASSWORD_HASHERS":
+        get_hashers.cache_clear()
+        get_hashers_by_algorithm.cache_clear()
+
+
+def get_hasher(algorithm="default"):
+    """
+    Return an instance of a loaded password hasher.
+
+    If algorithm is 'default', return the default hasher. Lazily import hashers
+    specified in the project's settings file if needed.
+    """
+    if hasattr(algorithm, "algorithm"):
+        return algorithm
+
+    elif algorithm == "default":
+        return get_hashers()[0]
+
+    else:
+        hashers = get_hashers_by_algorithm()
+        try:
+            return hashers[algorithm]
+        except KeyError:
+            raise ValueError(
+                "Unknown password hashing algorithm '%s'. "
+                "Did you specify it in the PASSWORD_HASHERS "
+                "setting?" % algorithm
+            )
+
+
+def identify_hasher(encoded):
+    """
+    Return an instance of a loaded password hasher.
+
+    Identify hasher algorithm by examining encoded hash, and call
+    get_hasher() to return hasher. Raise ValueError if
+    algorithm cannot be identified, or if hasher is not loaded.
+    """
+    # Ancient versions of Django created plain MD5 passwords and accepted
+    # MD5 passwords with an empty salt.
+    if (len(encoded) == 32 and "$" not in encoded) or (
+        len(encoded) == 37 and encoded.startswith("md5$$")
+    ):
+        algorithm = "unsalted_md5"
+    # Ancient versions of Django accepted SHA1 passwords with an empty salt.
+    elif len(encoded) == 46 and encoded.startswith("sha1$$"):
+        algorithm = "unsalted_sha1"
+    else:
+        algorithm = encoded.split("$", 1)[0]
+    return get_hasher(algorithm)
+
+
+def mask_hash(hash, show=6, char="*"):
+    """
+    Return the given hash, with only the first ``show`` number shown. The
+    rest are masked with ``char`` for security reasons.
+    """
+    masked = hash[:show]
+    masked += char * len(hash[show:])
+    return masked
+
+
+def must_update_salt(salt, expected_entropy):
+    # Each character in the salt provides log_2(len(alphabet)) bits of entropy.
+    return len(salt) * math.log2(len(RANDOM_STRING_CHARS)) < expected_entropy
+
+
+class BasePasswordHasher:
+    """
+    Abstract base class for password hashers
+
+    When creating your own hasher, you need to override algorithm,
+    verify(), encode() and safe_summary().
+
+    PasswordHasher objects are immutable.
+    """
+
+    algorithm = None
+    library = None
+    salt_entropy = 128
+
+    def _load_library(self):
+        if self.library is not None:
+            if isinstance(self.library, (tuple, list)):
+                name, mod_path = self.library
+            else:
+                mod_path = self.library
+            try:
+                module = importlib.import_module(mod_path)
+            except ImportError as e:
+                raise ValueError(
+                    "Couldn't load %r algorithm library: %s"
+                    % (self.__class__.__name__, e)
+                )
+            return module
+        raise ValueError(
+            "Hasher %r doesn't specify a library attribute" % self.__class__.__name__
+        )
+
+    def salt(self):
+        """
+        Generate a cryptographically secure nonce salt in ASCII with an entropy
+        of at least `salt_entropy` bits.
+        """
+        # Each character in the salt provides
+        # log_2(len(alphabet)) bits of entropy.
+        char_count = math.ceil(self.salt_entropy / math.log2(len(RANDOM_STRING_CHARS)))
+        return get_random_string(char_count, allowed_chars=RANDOM_STRING_CHARS)
+
+    def verify(self, password, encoded):
+        """Check if the given password is correct."""
+        raise NotImplementedError(
+            "subclasses of BasePasswordHasher must provide a verify() method"
+        )
+
+    def _check_encode_args(self, password, salt):
+        if password is None:
+            raise TypeError("password must be provided.")
+        if not salt or "$" in salt:
+            raise ValueError("salt must be provided and cannot contain $.")
+
+    def encode(self, password, salt):
+        """
+        Create an encoded database value.
+
+        The result is normally formatted as "algorithm$salt$hash" and
+        must be fewer than 128 characters.
+        """
+        raise NotImplementedError(
+            "subclasses of BasePasswordHasher must provide an encode() method"
+        )
+
+    def decode(self, encoded):
+        """
+        Return a decoded database value.
+
+        The result is a dictionary and should contain `algorithm`, `hash`, and
+        `salt`. Extra keys can be algorithm specific like `iterations` or
+        `work_factor`.
+        """
+        raise NotImplementedError(
+            "subclasses of BasePasswordHasher must provide a decode() method."
+        )
+
+    def safe_summary(self, encoded):
+        """
+        Return a summary of safe values.
+
+        The result is a dictionary and will be used where the password field
+        must be displayed to construct a safe representation of the password.
+        """
+        raise NotImplementedError(
+            "subclasses of BasePasswordHasher must provide a safe_summary() method"
+        )
+
+    def must_update(self, encoded):
+        return False
+
+    def harden_runtime(self, password, encoded):
+        """
+        Bridge the runtime gap between the work factor supplied in `encoded`
+        and the work factor suggested by this hasher.
+
+        Taking PBKDF2 as an example, if `encoded` contains 20000 iterations and
+        `self.iterations` is 30000, this method should run password through
+        another 10000 iterations of PBKDF2. Similar approaches should exist
+        for any hasher that has a work factor. If not, this method should be
+        defined as a no-op to silence the warning.
+        """
+        warnings.warn(
+            "subclasses of BasePasswordHasher should provide a harden_runtime() method"
+        )
+
+
+class PBKDF2PasswordHasher(BasePasswordHasher):
+    """
+    Secure password hashing using the PBKDF2 algorithm (recommended)
+
+    Configured to use PBKDF2 + HMAC + SHA256.
+    The result is a 64 byte binary string.  Iterations may be changed
+    safely but you must rename the algorithm if you change SHA256.
+    """
+
+    algorithm = "pbkdf2_sha256"
+    iterations = 720000
+    digest = hashlib.sha256
+
+    def encode(self, password, salt, iterations=None):
+        self._check_encode_args(password, salt)
+        iterations = iterations or self.iterations
+        hash = pbkdf2(password, salt, iterations, digest=self.digest)
+        hash = base64.b64encode(hash).decode("ascii").strip()
+        return "%s$%d$%s$%s" % (self.algorithm, iterations, salt, hash)
+
+    def decode(self, encoded):
+        algorithm, iterations, salt, hash = encoded.split("$", 3)
+        assert algorithm == self.algorithm
+        return {
+            "algorithm": algorithm,
+            "hash": hash,
+            "iterations": int(iterations),
+            "salt": salt,
+        }
+
+    def verify(self, password, encoded):
+        decoded = self.decode(encoded)
+        encoded_2 = self.encode(password, decoded["salt"], decoded["iterations"])
+        return constant_time_compare(encoded, encoded_2)
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("iterations"): decoded["iterations"],
+            _("salt"): mask_hash(decoded["salt"]),
+            _("hash"): mask_hash(decoded["hash"]),
+        }
+
+    def must_update(self, encoded):
+        decoded = self.decode(encoded)
+        update_salt = must_update_salt(decoded["salt"], self.salt_entropy)
+        return (decoded["iterations"] != self.iterations) or update_salt
+
+    def harden_runtime(self, password, encoded):
+        decoded = self.decode(encoded)
+        extra_iterations = self.iterations - decoded["iterations"]
+        if extra_iterations > 0:
+            self.encode(password, decoded["salt"], extra_iterations)
+
+
+class PBKDF2SHA1PasswordHasher(PBKDF2PasswordHasher):
+    """
+    Alternate PBKDF2 hasher which uses SHA1, the default PRF
+    recommended by PKCS #5. This is compatible with other
+    implementations of PBKDF2, such as openssl's
+    PKCS5_PBKDF2_HMAC_SHA1().
+    """
+
+    algorithm = "pbkdf2_sha1"
+    digest = hashlib.sha1
+
+
+class Argon2PasswordHasher(BasePasswordHasher):
+    """
+    Secure password hashing using the argon2 algorithm.
+
+    This is the winner of the Password Hashing Competition 2013-2015
+    (https://password-hashing.net). It requires the argon2-cffi library which
+    depends on native C code and might cause portability issues.
+    """
+
+    algorithm = "argon2"
+    library = "argon2"
+
+    time_cost = 2
+    memory_cost = 102400
+    parallelism = 8
+
+    def encode(self, password, salt):
+        argon2 = self._load_library()
+        params = self.params()
+        data = argon2.low_level.hash_secret(
+            password.encode(),
+            salt.encode(),
+            time_cost=params.time_cost,
+            memory_cost=params.memory_cost,
+            parallelism=params.parallelism,
+            hash_len=params.hash_len,
+            type=params.type,
+        )
+        return self.algorithm + data.decode("ascii")
+
+    def decode(self, encoded):
+        argon2 = self._load_library()
+        algorithm, rest = encoded.split("$", 1)
+        assert algorithm == self.algorithm
+        params = argon2.extract_parameters("$" + rest)
+        variety, *_, b64salt, hash = rest.split("$")
+        # Add padding.
+        b64salt += "=" * (-len(b64salt) % 4)
+        salt = base64.b64decode(b64salt).decode("latin1")
+        return {
+            "algorithm": algorithm,
+            "hash": hash,
+            "memory_cost": params.memory_cost,
+            "parallelism": params.parallelism,
+            "salt": salt,
+            "time_cost": params.time_cost,
+            "variety": variety,
+            "version": params.version,
+            "params": params,
+        }
+
+    def verify(self, password, encoded):
+        argon2 = self._load_library()
+        algorithm, rest = encoded.split("$", 1)
+        assert algorithm == self.algorithm
+        try:
+            return argon2.PasswordHasher().verify("$" + rest, password)
+        except argon2.exceptions.VerificationError:
+            return False
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("variety"): decoded["variety"],
+            _("version"): decoded["version"],
+            _("memory cost"): decoded["memory_cost"],
+            _("time cost"): decoded["time_cost"],
+            _("parallelism"): decoded["parallelism"],
+            _("salt"): mask_hash(decoded["salt"]),
+            _("hash"): mask_hash(decoded["hash"]),
+        }
+
+    def must_update(self, encoded):
+        decoded = self.decode(encoded)
+        current_params = decoded["params"]
+        new_params = self.params()
+        # Set salt_len to the salt_len of the current parameters because salt
+        # is explicitly passed to argon2.
+        new_params.salt_len = current_params.salt_len
+        update_salt = must_update_salt(decoded["salt"], self.salt_entropy)
+        return (current_params != new_params) or update_salt
+
+    def harden_runtime(self, password, encoded):
+        # The runtime for Argon2 is too complicated to implement a sensible
+        # hardening algorithm.
+        pass
+
+    def params(self):
+        argon2 = self._load_library()
+        # salt_len is a noop, because we provide our own salt.
+        return argon2.Parameters(
+            type=argon2.low_level.Type.ID,
+            version=argon2.low_level.ARGON2_VERSION,
+            salt_len=argon2.DEFAULT_RANDOM_SALT_LENGTH,
+            hash_len=argon2.DEFAULT_HASH_LENGTH,
+            time_cost=self.time_cost,
+            memory_cost=self.memory_cost,
+            parallelism=self.parallelism,
+        )
+
+
+class BCryptSHA256PasswordHasher(BasePasswordHasher):
+    """
+    Secure password hashing using the bcrypt algorithm (recommended)
+
+    This is considered by many to be the most secure algorithm but you
+    must first install the bcrypt library.  Please be warned that
+    this library depends on native C code and might cause portability
+    issues.
+    """
+
+    algorithm = "bcrypt_sha256"
+    digest = hashlib.sha256
+    library = ("bcrypt", "bcrypt")
+    rounds = 12
+
+    def salt(self):
+        bcrypt = self._load_library()
+        return bcrypt.gensalt(self.rounds)
+
+    def encode(self, password, salt):
+        bcrypt = self._load_library()
+        password = password.encode()
+        # Hash the password prior to using bcrypt to prevent password
+        # truncation as described in #20138.
+        if self.digest is not None:
+            # Use binascii.hexlify() because a hex encoded bytestring is str.
+            password = binascii.hexlify(self.digest(password).digest())
+
+        data = bcrypt.hashpw(password, salt)
+        return "%s$%s" % (self.algorithm, data.decode("ascii"))
+
+    def decode(self, encoded):
+        algorithm, empty, algostr, work_factor, data = encoded.split("$", 4)
+        assert algorithm == self.algorithm
+        return {
+            "algorithm": algorithm,
+            "algostr": algostr,
+            "checksum": data[22:],
+            "salt": data[:22],
+            "work_factor": int(work_factor),
+        }
+
+    def verify(self, password, encoded):
+        algorithm, data = encoded.split("$", 1)
+        assert algorithm == self.algorithm
+        encoded_2 = self.encode(password, data.encode("ascii"))
+        return constant_time_compare(encoded, encoded_2)
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("work factor"): decoded["work_factor"],
+            _("salt"): mask_hash(decoded["salt"]),
+            _("checksum"): mask_hash(decoded["checksum"]),
+        }
+
+    def must_update(self, encoded):
+        decoded = self.decode(encoded)
+        return decoded["work_factor"] != self.rounds
+
+    def harden_runtime(self, password, encoded):
+        _, data = encoded.split("$", 1)
+        salt = data[:29]  # Length of the salt in bcrypt.
+        rounds = data.split("$")[2]
+        # work factor is logarithmic, adding one doubles the load.
+        diff = 2 ** (self.rounds - int(rounds)) - 1
+        while diff > 0:
+            self.encode(password, salt.encode("ascii"))
+            diff -= 1
+
+
+class BCryptPasswordHasher(BCryptSHA256PasswordHasher):
+    """
+    Secure password hashing using the bcrypt algorithm
+
+    This is considered by many to be the most secure algorithm but you
+    must first install the bcrypt library.  Please be warned that
+    this library depends on native C code and might cause portability
+    issues.
+
+    This hasher does not first hash the password which means it is subject to
+    bcrypt's 72 bytes password truncation. Most use cases should prefer the
+    BCryptSHA256PasswordHasher.
+    """
+
+    algorithm = "bcrypt"
+    digest = None
+
+
+class ScryptPasswordHasher(BasePasswordHasher):
+    """
+    Secure password hashing using the Scrypt algorithm.
+    """
+
+    algorithm = "scrypt"
+    block_size = 8
+    maxmem = 0
+    parallelism = 1
+    work_factor = 2**14
+
+    def encode(self, password, salt, n=None, r=None, p=None):
+        self._check_encode_args(password, salt)
+        n = n or self.work_factor
+        r = r or self.block_size
+        p = p or self.parallelism
+        hash_ = hashlib.scrypt(
+            password.encode(),
+            salt=salt.encode(),
+            n=n,
+            r=r,
+            p=p,
+            maxmem=self.maxmem,
+            dklen=64,
+        )
+        hash_ = base64.b64encode(hash_).decode("ascii").strip()
+        return "%s$%d$%s$%d$%d$%s" % (self.algorithm, n, salt, r, p, hash_)
+
+    def decode(self, encoded):
+        algorithm, work_factor, salt, block_size, parallelism, hash_ = encoded.split(
+            "$", 6
+        )
+        assert algorithm == self.algorithm
+        return {
+            "algorithm": algorithm,
+            "work_factor": int(work_factor),
+            "salt": salt,
+            "block_size": int(block_size),
+            "parallelism": int(parallelism),
+            "hash": hash_,
+        }
+
+    def verify(self, password, encoded):
+        decoded = self.decode(encoded)
+        encoded_2 = self.encode(
+            password,
+            decoded["salt"],
+            decoded["work_factor"],
+            decoded["block_size"],
+            decoded["parallelism"],
+        )
+        return constant_time_compare(encoded, encoded_2)
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("work factor"): decoded["work_factor"],
+            _("block size"): decoded["block_size"],
+            _("parallelism"): decoded["parallelism"],
+            _("salt"): mask_hash(decoded["salt"]),
+            _("hash"): mask_hash(decoded["hash"]),
+        }
+
+    def must_update(self, encoded):
+        decoded = self.decode(encoded)
+        return (
+            decoded["work_factor"] != self.work_factor
+            or decoded["block_size"] != self.block_size
+            or decoded["parallelism"] != self.parallelism
+        )
+
+    def harden_runtime(self, password, encoded):
+        # The runtime for Scrypt is too complicated to implement a sensible
+        # hardening algorithm.
+        pass
+
+
+# RemovedInDjango51Warning.
+class SHA1PasswordHasher(BasePasswordHasher):
+    """
+    The SHA1 password hashing algorithm (not recommended)
+    """
+
+    algorithm = "sha1"
+
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            "django.contrib.auth.hashers.SHA1PasswordHasher is deprecated.",
+            RemovedInDjango51Warning,
+            stacklevel=2,
+        )
+        super().__init__(*args, **kwargs)
+
+    def encode(self, password, salt):
+        self._check_encode_args(password, salt)
+        hash = hashlib.sha1((salt + password).encode()).hexdigest()
+        return "%s$%s$%s" % (self.algorithm, salt, hash)
+
+    def decode(self, encoded):
+        algorithm, salt, hash = encoded.split("$", 2)
+        assert algorithm == self.algorithm
+        return {
+            "algorithm": algorithm,
+            "hash": hash,
+            "salt": salt,
+        }
+
+    def verify(self, password, encoded):
+        decoded = self.decode(encoded)
+        encoded_2 = self.encode(password, decoded["salt"])
+        return constant_time_compare(encoded, encoded_2)
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("salt"): mask_hash(decoded["salt"], show=2),
+            _("hash"): mask_hash(decoded["hash"]),
+        }
+
+    def must_update(self, encoded):
+        decoded = self.decode(encoded)
+        return must_update_salt(decoded["salt"], self.salt_entropy)
+
+    def harden_runtime(self, password, encoded):
+        pass
+
+
+class MD5PasswordHasher(BasePasswordHasher):
+    """
+    The Salted MD5 password hashing algorithm (not recommended)
+    """
+
+    algorithm = "md5"
+
+    def encode(self, password, salt):
+        self._check_encode_args(password, salt)
+        hash = hashlib.md5((salt + password).encode()).hexdigest()
+        return "%s$%s$%s" % (self.algorithm, salt, hash)
+
+    def decode(self, encoded):
+        algorithm, salt, hash = encoded.split("$", 2)
+        assert algorithm == self.algorithm
+        return {
+            "algorithm": algorithm,
+            "hash": hash,
+            "salt": salt,
+        }
+
+    def verify(self, password, encoded):
+        decoded = self.decode(encoded)
+        encoded_2 = self.encode(password, decoded["salt"])
+        return constant_time_compare(encoded, encoded_2)
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("salt"): mask_hash(decoded["salt"], show=2),
+            _("hash"): mask_hash(decoded["hash"]),
+        }
+
+    def must_update(self, encoded):
+        decoded = self.decode(encoded)
+        return must_update_salt(decoded["salt"], self.salt_entropy)
+
+    def harden_runtime(self, password, encoded):
+        pass
+
+
+# RemovedInDjango51Warning.
+class UnsaltedSHA1PasswordHasher(BasePasswordHasher):
+    """
+    Very insecure algorithm that you should *never* use; store SHA1 hashes
+    with an empty salt.
+
+    This class is implemented because Django used to accept such password
+    hashes. Some older Django installs still have these values lingering
+    around so we need to handle and upgrade them properly.
+    """
+
+    algorithm = "unsalted_sha1"
+
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            "django.contrib.auth.hashers.UnsaltedSHA1PasswordHasher is deprecated.",
+            RemovedInDjango51Warning,
+            stacklevel=2,
+        )
+        super().__init__(*args, **kwargs)
+
+    def salt(self):
+        return ""
+
+    def encode(self, password, salt):
+        if salt != "":
+            raise ValueError("salt must be empty.")
+        hash = hashlib.sha1(password.encode()).hexdigest()
+        return "sha1$$%s" % hash
+
+    def decode(self, encoded):
+        assert encoded.startswith("sha1$$")
+        return {
+            "algorithm": self.algorithm,
+            "hash": encoded[6:],
+            "salt": None,
+        }
+
+    def verify(self, password, encoded):
+        encoded_2 = self.encode(password, "")
+        return constant_time_compare(encoded, encoded_2)
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("hash"): mask_hash(decoded["hash"]),
+        }
+
+    def harden_runtime(self, password, encoded):
+        pass
+
+
+# RemovedInDjango51Warning.
+class UnsaltedMD5PasswordHasher(BasePasswordHasher):
+    """
+    Incredibly insecure algorithm that you should *never* use; stores unsalted
+    MD5 hashes without the algorithm prefix, also accepts MD5 hashes with an
+    empty salt.
+
+    This class is implemented because Django used to store passwords this way
+    and to accept such password hashes. Some older Django installs still have
+    these values lingering around so we need to handle and upgrade them
+    properly.
+    """
+
+    algorithm = "unsalted_md5"
+
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            "django.contrib.auth.hashers.UnsaltedMD5PasswordHasher is deprecated.",
+            RemovedInDjango51Warning,
+            stacklevel=2,
+        )
+        super().__init__(*args, **kwargs)
+
+    def salt(self):
+        return ""
+
+    def encode(self, password, salt):
+        if salt != "":
+            raise ValueError("salt must be empty.")
+        return hashlib.md5(password.encode()).hexdigest()
+
+    def decode(self, encoded):
+        return {
+            "algorithm": self.algorithm,
+            "hash": encoded,
+            "salt": None,
+        }
+
+    def verify(self, password, encoded):
+        if len(encoded) == 37:
+            encoded = encoded.removeprefix("md5$$")
+        encoded_2 = self.encode(password, "")
+        return constant_time_compare(encoded, encoded_2)
+
+    def safe_summary(self, encoded):
+        decoded = self.decode(encoded)
+        return {
+            _("algorithm"): decoded["algorithm"],
+            _("hash"): mask_hash(decoded["hash"], show=3),
+        }
+
+    def harden_runtime(self, password, encoded):
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e8fd6ba9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/af/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7072cd95
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,307 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2019-2020,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>, 2019-2020,2023\n"
+"Language-Team: Afrikaans (http://app.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Persoonlike inligting"
+
+msgid "Permissions"
+msgstr "Toestemmings"
+
+msgid "Important dates"
+msgstr "Belangrike datums"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s-objek met primêre sleutel %(key)r bestaan nie."
+
+msgid "Password changed successfully."
+msgstr "Wagwoord is suksesvol verander."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Verander wagwoord: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Waarmerking en magtiging"
+
+msgid "password"
+msgstr "wagwoord"
+
+msgid "last login"
+msgstr "laas aangemeld"
+
+msgid "No password set."
+msgstr "Geen wagwoord gestel nie."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ongeldige wagwoordformaat of onbekende hutsalgoritme."
+
+msgid "The two password fields didn’t match."
+msgstr "Die twee wagwoordvelde stem nie ooreen nie"
+
+msgid "Password"
+msgstr "Wagwoord"
+
+msgid "Password confirmation"
+msgstr "Wagwoordbevestiging"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Tik die wagwoord net soos tevore om te bevestig."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Rou wagwoorde word nie gestoor nie, dus is daar geen manier om die gebruiker "
+"se wagwoord te sien nie, maar die wagwoord kan gewysig word met <a "
+"href=\"{}\">hierdie vorm</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Tik asb. 'n korrekte %(username)s en wagwoord. Neem kennis dat altwee velde "
+"moontlik kassensitief is."
+
+msgid "This account is inactive."
+msgstr "Dié rekening is nie aktief nie."
+
+msgid "Email"
+msgstr "E-pos"
+
+msgid "New password"
+msgstr "Nuwe wagwoord"
+
+msgid "New password confirmation"
+msgstr "Bevestiging van nuwe wagwoord"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Die ou wagwoord is verkeerd ingetik. Tik dit asb. weer in."
+
+msgid "Old password"
+msgstr "Ou wagwoord"
+
+msgid "Password (again)"
+msgstr "Wagwoord (weer)"
+
+msgid "algorithm"
+msgstr "algoritme"
+
+msgid "iterations"
+msgstr "iterasies"
+
+msgid "salt"
+msgstr "sout"
+
+msgid "hash"
+msgstr "hutswaarde"
+
+msgid "variety"
+msgstr "variëteit"
+
+msgid "version"
+msgstr "weergawe"
+
+msgid "memory cost"
+msgstr "geheuekoste"
+
+msgid "time cost"
+msgstr "tydkoste"
+
+msgid "parallelism"
+msgstr "parallelisme"
+
+msgid "work factor"
+msgstr "werkfaktor"
+
+msgid "checksum"
+msgstr "kontrolesom"
+
+msgid "block size"
+msgstr "blokgrootte"
+
+msgid "name"
+msgstr "naam"
+
+msgid "content type"
+msgstr "inhoudtipe"
+
+msgid "codename"
+msgstr "kodenaam"
+
+msgid "permission"
+msgstr "toestemming"
+
+msgid "permissions"
+msgstr "toestemmings"
+
+msgid "group"
+msgstr "groep"
+
+msgid "groups"
+msgstr "groepe"
+
+msgid "superuser status"
+msgstr "supergebruikerstatus"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Dui aan dat die gebruiker alle toestemmings het sonder om hulle eksplisiet "
+"toe te ken."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Die groepe waaraan die gebruiker behoort. ’n Gebruiker sal alle toestemmings "
+"hê wat aan elkeen van sy groepe gegee is."
+
+msgid "user permissions"
+msgstr "gebruikertoestemmings"
+
+msgid "Specific permissions for this user."
+msgstr "Spesifieke toestemmings vir dié gebruiker."
+
+msgid "username"
+msgstr "gebruikernaam"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Vereis. Hoogstens 150 karakters. Slegs: letters, syfers en die karakters @/./"
+"+/-/_"
+
+msgid "A user with that username already exists."
+msgstr "’n Gebruiker met daardie gebruikernaam bestaan reeds."
+
+msgid "first name"
+msgstr "naam"
+
+msgid "last name"
+msgstr "van"
+
+msgid "email address"
+msgstr "e-posadres"
+
+msgid "staff status"
+msgstr "personeelstatus"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Dui aan of die gebruiker by dié adminwerf kan aanmeld."
+
+msgid "active"
+msgstr "aktief"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Dui aan of dié gebruiker as aktief gesien moet word. Neem merkie weg in "
+"plaas van om rekeninge te skrap."
+
+msgid "date joined"
+msgstr "datum aangesluit"
+
+msgid "user"
+msgstr "gebruiker"
+
+msgid "users"
+msgstr "gebruikers"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Dié wagwoord is te kort. Dit moet ten minste %(min_length)d karakter bevat."
+msgstr[1] ""
+"Dié wagwoord is te kort. Dit moet ten minste %(min_length)d karakters bevat."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "’n Wagwoord moet ten minste %(min_length)d karakter bevat."
+msgstr[1] "’n Wagwoord moet ten minste %(min_length)d karakters bevat."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Die wagwoord is te soortgelyk aan die %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Die wagwoord mag nie soortgelyk wees aan u ander persoonlike inligting nie."
+
+msgid "This password is too common."
+msgstr "Dié wagwoord is te algemeen."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "U wagwoord mag nie ’n algemeen gebruikte wagwoord wees nie."
+
+msgid "This password is entirely numeric."
+msgstr "Dié wagwoord is heeltemal numeries."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Die wagwoord mag nie geheel numeries wees nie."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Wagwoordherstel op %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Tik ’n geldige gebruikernaam. Dié waarde mag slegs hoof- en kleinletters "
+"sonder aksente, syfers en die karakters @/./+/-/_ bevat."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Tik 'n geldige gebruikernaam. Dié waarde mag slegs letters, syfers en die "
+"karakters @/./+/-/_ bevat."
+
+msgid "Logged out"
+msgstr "Afgemeld"
+
+msgid "Password reset"
+msgstr "Wagwoordherstel"
+
+msgid "Password reset sent"
+msgstr "Wagwoordherstel gestuur"
+
+msgid "Enter new password"
+msgstr "Tik nuwe wagwoord"
+
+msgid "Password reset unsuccessful"
+msgstr "Herstel van wagwoord onsuksesvol"
+
+msgid "Password reset complete"
+msgstr "Herstel van wagwoord is voltooi"
+
+msgid "Password change"
+msgstr "Wagwoordverandering"
+
+msgid "Password change successful"
+msgstr "Verandering van wagwoord was suksesvol"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..970d5e9b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..49ae8c6b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,319 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ahmad Khayyat <akhayyat@gmail.com>, 2013,2021
+# Bashar Al-Abdulhadi, 2015-2016,2021
+# Bashar Al-Abdulhadi, 2014
+# Eyad Toma <d.eyad.t@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Omar Lajam, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-10-15 21:38+0000\n"
+"Last-Translator: Bashar Al-Abdulhadi\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Personal info"
+msgstr "المعلومات الشخصية"
+
+msgid "Permissions"
+msgstr "الصلاحيات"
+
+msgid "Important dates"
+msgstr "تواريخ مهمة"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "العنصر من نوع %(name)s ذو الحقل الأساسي %(key)r غير موجود."
+
+msgid "Password changed successfully."
+msgstr "تم تغيير كلمة المرور بنجاح."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "غيّر كلمة المرور: %s"
+
+msgid "Authentication and Authorization"
+msgstr "المصادقة والتفويض"
+
+msgid "password"
+msgstr "كلمة المرور"
+
+msgid "last login"
+msgstr "آخر دخول"
+
+msgid "No password set."
+msgstr "لم يتم تعيين كلمة المرور."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"صيغة كلمة المرور غير صحيحة أو أن خوارزمية البعثرة (hashing) غير معروفة."
+
+msgid "The two password fields didn’t match."
+msgstr "حقلا كلمة المرور غير متطابقين."
+
+msgid "Password"
+msgstr "كلمة المرور"
+
+msgid "Password confirmation"
+msgstr "تأكيد كلمة المرور"
+
+msgid "Enter the same password as before, for verification."
+msgstr "أدخل كلمة المرور أعلاه مرة أخرى لتأكيدها."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"لا يتم حفظ كلمات المرور بصورتها الأصلية، لذلك لا يمكنك عرض كلمة مرور هذا "
+"المستخدم، لكن يمكنك تغييرها باستخدام <a href=\"{}\">هذا النموذج</a>"
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr "الرجاء إدخال %(username)s وكلمة السر الصحيحين."
+
+msgid "This account is inactive."
+msgstr "هذا الحساب غير نشط."
+
+msgid "Email"
+msgstr "بريد إلكتروني"
+
+msgid "New password"
+msgstr "كلمة المرور الجديدة"
+
+msgid "New password confirmation"
+msgstr "تأكيد كلمة المرور الجديدة"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "كلمة مرورك القديمة غير صحيحة. رجاءً أدخلها مرة أخرى."
+
+msgid "Old password"
+msgstr "كلمة المرور القديمة"
+
+msgid "Password (again)"
+msgstr "كلمة المرور (مجدداً)"
+
+msgid "algorithm"
+msgstr "خوارزمية"
+
+msgid "iterations"
+msgstr "التكرارات"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "منوّع"
+
+msgid "version"
+msgstr "إصدار"
+
+msgid "memory cost"
+msgstr "استهلاك الذاكرة"
+
+msgid "time cost"
+msgstr "المدة المطلوبة"
+
+msgid "parallelism"
+msgstr "التوازي"
+
+msgid "work factor"
+msgstr "عامل العمل"
+
+msgid "checksum"
+msgstr "تدقيق المجموع"
+
+msgid "block size"
+msgstr "مقاس الكتله (البلوك)"
+
+msgid "name"
+msgstr "الاسم"
+
+msgid "content type"
+msgstr "نوع المحتوى"
+
+msgid "codename"
+msgstr "الاسم الرمزي"
+
+msgid "permission"
+msgstr "الصلاحية"
+
+msgid "permissions"
+msgstr "الصلاحيات"
+
+msgid "group"
+msgstr "مجموعة"
+
+msgid "groups"
+msgstr "المجموعات"
+
+msgid "superuser status"
+msgstr "حالة المستخدم الفائق"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"يقضي بأن هذا المستخدم يمتلك كافة الصلاحيات دون الحاجة لمنحها له تصريحاً."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"المجموعات التي ينتمي إليها هذا المستخدم. يحصل المستخدم على كافة الصلاحيات "
+"الممنوحة لكل مجموعة ينتمي إليها."
+
+msgid "user permissions"
+msgstr "صلاحيات المستخدم"
+
+msgid "Specific permissions for this user."
+msgstr "صلاحيات خاصة بهذا المستخدم."
+
+msgid "username"
+msgstr "اسم المستخدم"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "مطلوب. 150 رمزاً أو أقل، مكونة من حروف وأرقام و @/./+/-/_ فقط"
+
+msgid "A user with that username already exists."
+msgstr "هناك مستخدم موجود مسبقاً بهذا الاسم."
+
+msgid "first name"
+msgstr "الاسم الأول"
+
+msgid "last name"
+msgstr "الاسم الأخير"
+
+msgid "email address"
+msgstr "عنوان بريد إلكتروني"
+
+msgid "staff status"
+msgstr "حالة الطاقم"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "يحدد ما إذا كان يمكن للمستخدم الدخول إلى موقع الإدارة هذا."
+
+msgid "active"
+msgstr "نشط"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"يحدد ما إذا كان المستخدم سيُعامل على أنّه نشط. أزل تحديد هذا الحقل بدلاً من حذف "
+"الحسابات."
+
+msgid "date joined"
+msgstr "تاريخ الانضمام"
+
+msgid "user"
+msgstr "مستخدم"
+
+msgid "users"
+msgstr "المستخدمون"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرف على الأقل."
+msgstr[1] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرف واحد على الأقل."
+msgstr[2] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرفين على الأقل."
+msgstr[3] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حروف على الأقل."
+msgstr[4] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرف على الأقل."
+msgstr[5] ""
+"كلمة المرور هذه قصيرة جداً. يجب أن تتكون من %(min_length)d رمزاً على الأقل."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حرف على الأقل."
+msgstr[1] ""
+"كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حرف واحد على الأقل."
+msgstr[2] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حرفين على الأقل."
+msgstr[3] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حروف على الأقل."
+msgstr[4] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d أحرف على الأقل."
+msgstr[5] "يجب أن تتكون كلمة المرور من %(min_length)d رمزاً على الأقل."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "كلمة المرور مشابهة جداً لـ %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "لا يمكن لكلمة المرور أن تكون مشابهة للمعلومات الشخصية الأخرى."
+
+msgid "This password is too common."
+msgstr "كلمة المرور هذه شائعة جداً."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "لا يمكن أن تكون كلمة المرور شائعة الاستخدام."
+
+msgid "This password is entirely numeric."
+msgstr "كلمة المرور هذه تتكون من أرقام فقط."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "لا يمكن أن تكون كلمة المرور مكونة من أرقام فقط."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "إعادة تعيين كلمة المرور على %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"أدخل اسم مستخدم صحيحاً. يمكن أن يتكون اسم المستخدم من أحرف إنجليزية وأرقام و "
+"الرموز @/./+/-/_ فقط."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"أدخل اسم مستخدم صحيحاً. يمكن أن يتكون اسم المستخدم من حروف وأرقام و الرموز "
+"@/./+/-/_ فقط."
+
+msgid "Logged out"
+msgstr "تم الخروج"
+
+msgid "Password reset"
+msgstr "إعادة ضبط كلمة المرور"
+
+msgid "Password reset sent"
+msgstr " تم ارسال إعادة ضبط كلمة المرور"
+
+msgid "Enter new password"
+msgstr "أدخل كلمة المرور الجديدة"
+
+msgid "Password reset unsuccessful"
+msgstr "فشل عملية إعادة تعيين كلمة المرور"
+
+msgid "Password reset complete"
+msgstr "تمت إعادة ضبط كلمة المرور"
+
+msgid "Password change"
+msgstr "تغيير كلمة المرور"
+
+msgid "Password change successful"
+msgstr "تم تغيير كلمة المرور بنجاح"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..203bf07c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar_DZ/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c2b9f341
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,320 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jihad Bahmaid Al-Halki, 2022
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2022-07-25 08:09+0000\n"
+"Last-Translator: Jihad Bahmaid Al-Halki\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Personal info"
+msgstr "المعلومات الشخصية"
+
+msgid "Permissions"
+msgstr "الصلاحيات"
+
+msgid "Important dates"
+msgstr "تواريخ مهمة"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "العنصر %(name)s الذي به الحقل الأساسي %(key)r غير موجود."
+
+msgid "Password changed successfully."
+msgstr "تم تغيير كلمة المرور بنجاح."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "غيّر كلمة المرور: %s"
+
+msgid "Authentication and Authorization"
+msgstr "المصادقة والتخويل"
+
+msgid "password"
+msgstr "كلمة المرور"
+
+msgid "last login"
+msgstr "آخر دخول"
+
+msgid "No password set."
+msgstr "لا يوجد كلمة سر حتى الآن."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "تنسيق كلمة المرور غير صالح أو خوارزمية التجزئة غير معروفة."
+
+msgid "The two password fields didn’t match."
+msgstr "حقلا كلمتي المرور غير متطابقين."
+
+msgid "Password"
+msgstr "كلمة المرور"
+
+msgid "Password confirmation"
+msgstr "تأكيد كلمة المرور"
+
+msgid "Enter the same password as before, for verification."
+msgstr "أدخل كلمة المرور أعلاه مرة أخرى لتأكيدها."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"لا يتم تخزين كلمات المرور الخام ، لذلك لا توجد طريقة لرؤية كلمة مرور هذا "
+"المستخدم ، ولكن يمكنك تغيير كلمة المرور باستخدام <a href=\\\"{}\\\">هذا "
+"النموذج</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"الرجاء إدخال %(username)s وكلمة المرور الصحيحين. لاحظ أن كلا الحقلين قد يكون "
+"حساسًا لحالة الأحرف."
+
+msgid "This account is inactive."
+msgstr "هذا الحساب غير نشط."
+
+msgid "Email"
+msgstr "بريد إلكتروني"
+
+msgid "New password"
+msgstr "كلمة المرور الجديدة"
+
+msgid "New password confirmation"
+msgstr "تأكيد كلمة المرور الجديدة"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "كلمة مرورك القديمة غير صحيحة. رجاءً أدخلها مرة أخرى."
+
+msgid "Old password"
+msgstr "كلمة المرور القديمة"
+
+msgid "Password (again)"
+msgstr "كلمة المرور (مجدداً)"
+
+msgid "algorithm"
+msgstr "خوارزمية"
+
+msgid "iterations"
+msgstr "التكرارات"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "تنوع"
+
+msgid "version"
+msgstr "إصدار"
+
+msgid "memory cost"
+msgstr "تكلفة الذاكرة"
+
+msgid "time cost"
+msgstr "تكلفة الوقت"
+
+msgid "parallelism"
+msgstr "تواز"
+
+msgid "work factor"
+msgstr "عامل العمل"
+
+msgid "checksum"
+msgstr "تدقيق المجموع"
+
+msgid "block size"
+msgstr "حجم البلوك (Block)"
+
+msgid "name"
+msgstr "الاسم"
+
+msgid "content type"
+msgstr "نوع المحتوى"
+
+msgid "codename"
+msgstr "الاسم الرمزي"
+
+msgid "permission"
+msgstr "الصلاحية"
+
+msgid "permissions"
+msgstr "الصلاحيات"
+
+msgid "group"
+msgstr "مجموعة"
+
+msgid "groups"
+msgstr "المجموعات"
+
+msgid "superuser status"
+msgstr "حالة المستخدم الخارق"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"حدد بأن هذا المستخدم يمتلك كافة الصلاحيات دون الحاجة لتحديدها له تصريحا."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"المجموعات التي ينتمي إليها هذا المستخدم. ويمكن للمستخدم الحصول على كافة "
+"الأذونات الممنوحة لكل من مجموعاتهم."
+
+msgid "user permissions"
+msgstr "صلاحيات المستخدم"
+
+msgid "Specific permissions for this user."
+msgstr "صلاحيات خاصة لهذا المستخدم."
+
+msgid "username"
+msgstr "اسم المستخدم"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "مطلوب. 150 حرف أو أقل. الحروف والأرقام و @ /. / + / - / _ فقط."
+
+msgid "A user with that username already exists."
+msgstr "هناك مستخدم موجود مسبقاً بهذا الاسم."
+
+msgid "first name"
+msgstr "الاسم الأول"
+
+msgid "last name"
+msgstr "الاسم الأخير"
+
+msgid "email address"
+msgstr "عنوان بريد إلكتروني"
+
+msgid "staff status"
+msgstr "حالة الطاقم"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "يحدد ما إذا كان المستخدم يستطيع الدخول إلى موقع الإدارة هذا."
+
+msgid "active"
+msgstr "نشط"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"يحدد ما إذا كان المستخدم سيُعامل على أنّه نشط. أزل تحديد ها الخيار بدلاً من حذف "
+"الحسابات."
+
+msgid "date joined"
+msgstr "تاريخ الانضمام"
+
+msgid "user"
+msgstr "مستخدم"
+
+msgid "users"
+msgstr "المستخدمين"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرف على الأقل."
+msgstr[1] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرف واحد على الأقل."
+msgstr[2] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرفين على الأقل."
+msgstr[3] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حروف على الأقل."
+msgstr[4] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرف على الأقل."
+msgstr[5] ""
+"كلمة المرور هذه قصيرة جدا. يجب أن تتكون من %(min_length)d حرف على الأقل."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حرف على الأقل."
+msgstr[1] ""
+"كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حرف واحد على الأقل."
+msgstr[2] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حرفين على الأقل."
+msgstr[3] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حروف على الأقل."
+msgstr[4] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d أحرف على الأقل."
+msgstr[5] "كلمة المرور الخاصة بك يجب أن تتضمن %(min_length)d حرف على الأقل."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "كلمة المرور هذه مشابة جدا لـ %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"كلمة المرور الخاصة بكم لا يمكن أن تكون مشابة لأي من المعلومات الشخصية الأخرى "
+"الخاصة بك."
+
+msgid "This password is too common."
+msgstr "كلمة المرور هذه شائعة جدا."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "كلمة المرور الخاصة بك لا يمكن أن تكون كلمة مرور مستخدمة بشكل شائع."
+
+msgid "This password is entirely numeric."
+msgstr "كلمة المرور هذه تتكون من أرقام فقط."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "كلمة المرور الخاصة بك لا يمكن أن تكون أرقام فقط."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "إعادة تعيين كلمة المرور على %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"أدخل اسم مستخدم صالح. قد تحتوي هذه القيمة على الأحرف الإنجليزية والأرقام "
+"والأحرف @ /. / + / - / _."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"أدخل اسم مستخدم صالح. قد تحتوي هذه القيمة على الأحرف والأرقام والأحرف @ /. / "
+"+ / - / _."
+
+msgid "Logged out"
+msgstr "تم الخروج"
+
+msgid "Password reset"
+msgstr "إعادة ضبط كلمة المرور"
+
+msgid "Password reset sent"
+msgstr "إعادة ضبط كلمة المرور تم ارسالها"
+
+msgid "Enter new password"
+msgstr "أدخل كلمة المرور الجديدة"
+
+msgid "Password reset unsuccessful"
+msgstr "فشل عملية إعادة تعيين كلمة المرور"
+
+msgid "Password reset complete"
+msgstr "تم إعادة ضبط كلمة المرور بنجاح"
+
+msgid "Password change"
+msgstr "تغيير كلمة المرور"
+
+msgid "Password change successful"
+msgstr "تم تغيير كلمة المرور بنجاح"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e5f1ace2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ast/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f845205c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,284 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Información personal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Dates importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Contraseña camudada con ésitu."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Camudar contraseña: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "contraseña"
+
+msgid "last login"
+msgstr "aniciu de sesión caberu"
+
+msgid "No password set."
+msgstr "Nun s'afitó la contraseña."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formatu de contraseña inválidu o algoritmu hash inválidu."
+
+msgid "The two password fields didn't match."
+msgstr "Nun concasen los dos campos de contraseña."
+
+msgid "Password"
+msgstr "Contraseña"
+
+msgid "Password confirmation"
+msgstr "Confirmación de contraseña"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "Esta cuenta ta inactiva"
+
+msgid "Email"
+msgstr "Corréu"
+
+msgid "New password"
+msgstr "Contraseña nueva"
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr ""
+
+msgid "algorithm"
+msgstr "algoritmu"
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr "suma de comprobación"
+
+msgid "name"
+msgstr "nome"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr "permisu"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grupu"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "estáu de superusuariu"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "permisos d'usuariu"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "nome d'usuariu"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Yá esiste un usuariu con esi nome d'usuariu."
+
+msgid "first name"
+msgstr "nome"
+
+msgid "last name"
+msgstr "apellíos"
+
+msgid "email address"
+msgstr "direición de corréu"
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr "activu"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr "usuariu"
+
+msgid "users"
+msgstr "usuarios"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c14fb27f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/az/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7dd8670d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,304 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Emin Mastizada <emin@linux.com>, 2018,2020
+# Emin Mastizada <emin@linux.com>, 2016
+# Nicat Məmmədov <n1c4t97@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2022-07-25 08:09+0000\n"
+"Last-Translator: Nicat Məmmədov <n1c4t97@gmail.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Şəxsi məlumat"
+
+msgid "Permissions"
+msgstr "İcazələr"
+
+msgid "Important dates"
+msgstr "Vacib tarixlər"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Əsas %(key)r açarı ilə %(name)s obyekti mövcud deyil."
+
+msgid "Password changed successfully."
+msgstr "Şifrə uğurla dəyişdirildi."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Şifrəni dəyiş: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Təsdiqləmə və Səlahiyyət"
+
+msgid "password"
+msgstr "şifrə"
+
+msgid "last login"
+msgstr "son dəfə daxil olub"
+
+msgid "No password set."
+msgstr "Şifrə təyin olunmayıb."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Xətalı şifrə formatı və ya bilinməyən heş alqoritması."
+
+msgid "The two password fields didn’t match."
+msgstr "Şifrə xanalarının dəyərləri eyni deyil."
+
+msgid "Password"
+msgstr "Şifrə"
+
+msgid "Password confirmation"
+msgstr "Şifrənin təsdiqi"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Təsdiqləmək üçün əvvəlki ilə eyni şifrəni daxil edin."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Şifrələr açıq formada saxlanılmadığı üçün bu istifadəçinin şifrəsini görmək "
+"mümkün deyil, amma <a href=\"{}\">bu formadan</a> istifadə edərək şifrəni "
+"dəyişə bilərsiz."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Lütfən düzgün %(username)s və şifrə daxil edin. Nəzərə alın ki, hər ikisi də "
+"böyük-kiçik hərflərə həssasdırlar."
+
+msgid "This account is inactive."
+msgstr "Bu hesab qeyri-aktivdir."
+
+msgid "Email"
+msgstr "E-poçt"
+
+msgid "New password"
+msgstr "Yeni şifrə"
+
+msgid "New password confirmation"
+msgstr "Yeni şifrənin təsdiqi"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Köhnə şifrəni yanlış daxil etdiniz. Zəhmət olmasa bir daha yoxlayın."
+
+msgid "Old password"
+msgstr "Köhnə şifrə"
+
+msgid "Password (again)"
+msgstr "Şifrə (bir daha)"
+
+msgid "algorithm"
+msgstr "alqoritm"
+
+msgid "iterations"
+msgstr "təkrarlama"
+
+msgid "salt"
+msgstr "duz"
+
+msgid "hash"
+msgstr "heş"
+
+msgid "variety"
+msgstr "müxtəliflik"
+
+msgid "version"
+msgstr "versiya"
+
+msgid "memory cost"
+msgstr "yaddaş xərci"
+
+msgid "time cost"
+msgstr "vaxt xərci"
+
+msgid "parallelism"
+msgstr "paralellik"
+
+msgid "work factor"
+msgstr "iş faktoru"
+
+msgid "checksum"
+msgstr "yoxlama dəyəri"
+
+msgid "block size"
+msgstr ""
+
+msgid "name"
+msgstr "ad"
+
+msgid "content type"
+msgstr "məzmun növü"
+
+msgid "codename"
+msgstr "kod adı"
+
+msgid "permission"
+msgstr "icazə"
+
+msgid "permissions"
+msgstr "icazələr"
+
+msgid "group"
+msgstr "qrup"
+
+msgid "groups"
+msgstr "qruplar"
+
+msgid "superuser status"
+msgstr "superistifadəçi statusu"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "İstifadəçiyə bütün icazələri verir."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Bu istifadəçinin aid olduğu qruplar. İstifadə bu qruplardan hər birinə "
+"verilən bütün icazələri alacaq."
+
+msgid "user permissions"
+msgstr "səlahiyyətləri"
+
+msgid "Specific permissions for this user."
+msgstr "Bu istifadəçiyə aid xüsusi icazələr."
+
+msgid "username"
+msgstr "istifadəçi adı"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Tələb edilir. Ən az 150 simvol. Ancaq hərf, rəqəm və @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Bu istifadəçi adı altında başqa istifadəçi var."
+
+msgid "first name"
+msgstr "ad"
+
+msgid "last name"
+msgstr "soyad"
+
+msgid "email address"
+msgstr "e-poçt ünvanı"
+
+msgid "staff status"
+msgstr "admin statusu"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "İstifadəçinin admin panelinə daxil olub, olmayacağını təyin edir."
+
+msgid "active"
+msgstr "Aktiv"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"İstifadəçinin aktiv və ya qeyri-aktiv olmasını təyin edir. Hesabları silmək "
+"əvəzinə bundan istifadə edin."
+
+msgid "date joined"
+msgstr "qoşulub"
+
+msgid "user"
+msgstr "istifadəçi"
+
+msgid "users"
+msgstr "istifadəçilər"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "Bu parol çox qısadır. Ən az %(min_length)d işarə olmalıdır."
+msgstr[1] ""
+"Bu şifrə çox qısadır. Ən az %(min_length)d simvoldan ibarət olmalıdır."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Parolunuz ən az %(min_length)d işarə olmalıdır."
+msgstr[1] "Şifrəniz ən az %(min_length)d simvoldan ibarət olmalıdır."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Şifrəniz %(verbose_name)s ilə çox bənzərdir."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Şifrəniz digər şəxsi məlumatlarınıza çox bənzərdir."
+
+msgid "This password is too common."
+msgstr "Bu şifrə çox asandır."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Şifrəniz çox istifadə edilən, ümumişlək olmamalıdır."
+
+msgid "This password is entirely numeric."
+msgstr "Bu şifrə ancaq rəqəmlərdən ibarətdir."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Şifrəniz ancaq rəqəmlərdən ibarət ola bilməz."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s, şifrənin sıfırlanması"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Düzgün istifadəçi adı daxil edin. Bu dəyən ancaq İngiliscə hərflərdən, rəqəm "
+"və @/./+/-/_ işarətlərindən ibarət ola bilər."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Düzgün istifadəçi adı daxil edin. Bu dəyən ancaq hərf, rəqəm və @/./+/-/_ "
+"işarətlərindən ibarət ola bilər."
+
+msgid "Logged out"
+msgstr "Çıxdınız"
+
+msgid "Password reset"
+msgstr "Şifrənin sıfırlanması"
+
+msgid "Password reset sent"
+msgstr "Şifrə sıfırlanması göndərildi"
+
+msgid "Enter new password"
+msgstr "Yeni şifrəni daxil edin"
+
+msgid "Password reset unsuccessful"
+msgstr "Şifrə sıfırlanması uğursuz oldu"
+
+msgid "Password reset complete"
+msgstr "Şifrə sıfırlanması tamamlandı"
+
+msgid "Password change"
+msgstr "Şifrənin dəyişdirilməsi"
+
+msgid "Password change successful"
+msgstr "Şifrə uğurla dəyişdirildi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..42c2a0cd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/be/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..692bea2f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,313 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2015
+# znotdead <zhirafchik@gmail.com>, 2016-2017,2019,2021,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: znotdead <zhirafchik@gmail.com>, 2016-2017,2019,2021,2023\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Personal info"
+msgstr "Асабістыя зьвесткі"
+
+msgid "Permissions"
+msgstr "Дазволы"
+
+msgid "Important dates"
+msgstr "Важныя даты"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Аб'ект %(name)s з першасным ключом %(key)r не існуе."
+
+msgid "Password changed successfully."
+msgstr "Пароль зьмянілі."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Зьмяніць пароль: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Аўтэнтыфікацыя і аўтарызацыя"
+
+msgid "password"
+msgstr "пароль"
+
+msgid "last login"
+msgstr "апошні раз уваходзіў"
+
+msgid "No password set."
+msgstr "Пароль не зададзены."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Няправільны фармат паролю або невядомы алгарытм хэшавання."
+
+msgid "The two password fields didn’t match."
+msgstr "Не супадаюць паролі ў двух палях."
+
+msgid "Password"
+msgstr "Пароль"
+
+msgid "Password confirmation"
+msgstr "Пацьвердзіце пароль"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Дзеля пэўнасьці набярыце такі самы пароль яшчэ раз."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Паролі не захоўваюцца ў такім выглядзе, як іх набралі, таму ўбачыць пароль "
+"карыстальніка нельга, але яго можна зьмяніць выкарыстоўваючы<a "
+"href=\"{}\">гэту форму </a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Калі ласка, увядзіце правільны %(username)s і пароль. Адзначым, што абодва "
+"палі могуць быць адчувальныя да рэгістра."
+
+msgid "This account is inactive."
+msgstr "Рахунак ня дзейнічае."
+
+msgid "Email"
+msgstr "Электронная пошта"
+
+msgid "New password"
+msgstr "Новы пароль"
+
+msgid "New password confirmation"
+msgstr "Пацьвердзіце новы пароль"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Пазначылі неадпаведны стары пароль. Набярыце яго зноўку."
+
+msgid "Old password"
+msgstr "Стары пароль"
+
+msgid "Password (again)"
+msgstr "Пароль (яшчэ раз)"
+
+msgid "algorithm"
+msgstr "альґарытм"
+
+msgid "iterations"
+msgstr "паўтарэньні"
+
+msgid "salt"
+msgstr "соль"
+
+msgid "hash"
+msgstr "скарот"
+
+msgid "variety"
+msgstr "мноства"
+
+msgid "version"
+msgstr "версія"
+
+msgid "memory cost"
+msgstr "кошт памяці"
+
+msgid "time cost"
+msgstr "кошт часу"
+
+msgid "parallelism"
+msgstr "паралелізм"
+
+msgid "work factor"
+msgstr "множнік працы"
+
+msgid "checksum"
+msgstr "кантрольная сума"
+
+msgid "block size"
+msgstr "памер блока"
+
+msgid "name"
+msgstr "назва"
+
+msgid "content type"
+msgstr "від змесціва"
+
+msgid "codename"
+msgstr "найменьне"
+
+msgid "permission"
+msgstr "дазвол"
+
+msgid "permissions"
+msgstr "дазволы"
+
+msgid "group"
+msgstr "суполка"
+
+msgid "groups"
+msgstr "суполкі"
+
+msgid "superuser status"
+msgstr "становішча спраўніка"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Паказвае, ці мае карыстальнік усе дазволы без таго, каб іх яўна прызначаць."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Суполкі, у якія ўваходзіць карыстальнік. Карыстальнік атрымае дазволы, якія "
+"мае кожная ягоная суполка."
+
+msgid "user permissions"
+msgstr "дазволы карыстальніка"
+
+msgid "Specific permissions for this user."
+msgstr "Адмысловыя правы для гэтага карыстальніка."
+
+msgid "username"
+msgstr "імя карыстальніка"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Абавязковае поле. Да 150 знакаў. Толькі літары, лічбы ды @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Карыстальнік з такім іменем ужо існуе."
+
+msgid "first name"
+msgstr "імя"
+
+msgid "last name"
+msgstr "прозьвішча"
+
+msgid "email address"
+msgstr "адрас электроннай пошты"
+
+msgid "staff status"
+msgstr "становішча"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Паказвае, ці можа карыстальнік ўваходзіць на кіраўнічую пляцоўку."
+
+msgid "active"
+msgstr "дзейны"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Паказвае, ці трэба ставіцца да карыстальніка як да дзейнага. Замест таго "
+"каб, каб выдаляць рахунак, зраіце карыстальніка нядзейным."
+
+msgid "date joined"
+msgstr "калі далучылі"
+
+msgid "user"
+msgstr "карыстальнік"
+
+msgid "users"
+msgstr "карыстальнікі"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Гэты пароль занадта кароткі. Ён павінен мець не менш %(min_length)d сімвал."
+msgstr[1] ""
+"Гэты пароль занадта кароткі. Ён павінен мець не менш %(min_length)d сімвала."
+msgstr[2] ""
+"Гэты пароль занадта кароткі. Ён павінен мець не менш %(min_length)d сімвалаў."
+msgstr[3] ""
+"Гэты пароль занадта кароткі. Ён павінен мець не менш %(min_length)d сімвалаў."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Ваш пароль павінен мець не менш %(min_length)d сімвал."
+msgstr[1] "Ваш пароль павінен мець не менш %(min_length)d сімвала."
+msgstr[2] "Ваш пароль павінен мець не менш %(min_length)d сімвалаў."
+msgstr[3] "Ваш пароль павінен мець не менш %(min_length)d сімвалаў."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Пароль занадта падобны да %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Ваш пароль ня можа быць занадта падобным да вашай іншай асабістай інфармацыі."
+
+msgid "This password is too common."
+msgstr "Гэты пароль занадта распаўсюджаны."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Ваш пароль ня можа быць адным з шырока распаўсюджаных пароляў."
+
+msgid "This password is entirely numeric."
+msgstr "Гэты пароль цалкам лікавы."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Ваш пароль ня можа быць цалкам лікавым."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Узнавіць пароль на %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Увядзіце імя карыстальніка. Гэта значэнне можа ўтрымліваць толькі малыя "
+"літары a-z і вялікія літары A-Z, лічбы і сімвалы @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Увядзіце імя карыстальніка. Гэта значэнне можа ўтрымліваць толькі літары, "
+"лічбы і сімвалы @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Не ўвайшоў"
+
+msgid "Password reset"
+msgstr "Аднаўленне пароля"
+
+msgid "Password reset sent"
+msgstr "Запыт на аднаўленне пароля адасланы"
+
+msgid "Enter new password"
+msgstr "Пазначце новы пароль"
+
+msgid "Password reset unsuccessful"
+msgstr "Не ўдалося аднавіць пароль"
+
+msgid "Password reset complete"
+msgstr "Аднаўленне пароля скончана"
+
+msgid "Password change"
+msgstr "Змена пароля"
+
+msgid "Password change successful"
+msgstr "Змена пароля прайшла паспяхова"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8587fcf6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d80b51bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,311 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# arneatec <arneatec@gmail.com>, 2022-2023
+# Boris Chervenkov <office@sentido.bg>, 2012
+# Georgi Kostadinov <grgkostadinov@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lyuboslav  Petrov <petrov.lyuboslav@gmail.com>, 2014
+# Todor Lubenov <tlubenov@gmail.com>, 2015
+# Venelin Stoykov <vkstoykov@gmail.com>, 2015-2016
+# vestimir <vestimir@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: arneatec <arneatec@gmail.com>, 2022-2023\n"
+"Language-Team: Bulgarian (http://app.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Лична информация"
+
+msgid "Permissions"
+msgstr "Права"
+
+msgid "Important dates"
+msgstr "Важни дати"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s обект с първичен ключ %(key)r не съществува."
+
+msgid "Password changed successfully."
+msgstr "Паролата беше променена успешно.  "
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Промени парола: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Аутентикация и оторизация"
+
+msgid "password"
+msgstr "парола"
+
+msgid "last login"
+msgstr "последно вписване"
+
+msgid "No password set."
+msgstr "Не е зададена парола."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Невалиден формат за парола или неизвестен алгоритъм за хеширане."
+
+msgid "The two password fields didn’t match."
+msgstr "Двете полета за паролата не съвпадат.  "
+
+msgid "Password"
+msgstr "Парола"
+
+msgid "Password confirmation"
+msgstr "Потвърждение на паролата"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Въведете същата парола като преди, за да потвърдите."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Паролите не се съхраняват в чист вид, така че е невъзможно да видите "
+"паролата на този потребител, но можете да промените паролата чрез <a "
+"href=\"{}\">този формуляр</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Моля, въведете правилните %(username)s и парола. Имайте предвид, че и двете "
+"полета могат да бъдат с малки или главни букви."
+
+msgid "This account is inactive."
+msgstr "Този профил е неактивен."
+
+msgid "Email"
+msgstr "Имейл"
+
+msgid "New password"
+msgstr "Нова парола"
+
+msgid "New password confirmation"
+msgstr "Потвърждение на новата парола"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Въвели сте погрешна стара парола. Въведете я отново.  "
+
+msgid "Old password"
+msgstr "Стара парола"
+
+msgid "Password (again)"
+msgstr "Парола (отново)"
+
+msgid "algorithm"
+msgstr "алгоритъм"
+
+msgid "iterations"
+msgstr "повторения"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "хеш"
+
+msgid "variety"
+msgstr "разнообразие"
+
+msgid "version"
+msgstr "версия"
+
+msgid "memory cost"
+msgstr "разход памет"
+
+msgid "time cost"
+msgstr "разход време"
+
+msgid "parallelism"
+msgstr "паралелизъм"
+
+msgid "work factor"
+msgstr "работен фактор"
+
+msgid "checksum"
+msgstr "чексума"
+
+msgid "block size"
+msgstr "размер на блока"
+
+msgid "name"
+msgstr "име"
+
+msgid "content type"
+msgstr "тип на съдържанието"
+
+msgid "codename"
+msgstr "код"
+
+msgid "permission"
+msgstr "право"
+
+msgid "permissions"
+msgstr "права"
+
+msgid "group"
+msgstr "група"
+
+msgid "groups"
+msgstr "групи"
+
+msgid "superuser status"
+msgstr "статут на супер-потребител"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Указва, че този потребител има всички права (без да има нужда да се "
+"изброяват изрично)."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Групите на които този потребител принадлежи. Потребителят ще получи всички "
+"разрешения, дадени на всяка една от своите групи."
+
+msgid "user permissions"
+msgstr "права на потребител"
+
+msgid "Specific permissions for this user."
+msgstr "Специфични права за този потребител"
+
+msgid "username"
+msgstr "потребител"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Задължително. 150 знака или по-малко. Букви, цифри и @/./+/-/_ ."
+
+msgid "A user with that username already exists."
+msgstr "Потребител с това потребителско име вече съществува.  "
+
+msgid "first name"
+msgstr "собствено име"
+
+msgid "last name"
+msgstr "фамилно име"
+
+msgid "email address"
+msgstr "имейл адрес"
+
+msgid "staff status"
+msgstr "статус на персонал"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Указва дали този потребител има достъп до административния панел."
+
+msgid "active"
+msgstr "активен"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Указва дали този потребител трябва да се третира като активен. Премахнете "
+"тази отметката, вместо да изтривате профили."
+
+msgid "date joined"
+msgstr "дата на регистриране"
+
+msgid "user"
+msgstr "потребител"
+
+msgid "users"
+msgstr "потребители"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Паролата е прекалено къса. Трябва да съдържа поне %(min_length)d символ."
+msgstr[1] ""
+"Паролата е прекалено къса. Трябва да съдържа поне %(min_length)d символа."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Вашата парола трябва да съдържа поне %(min_length)d символ."
+msgstr[1] "Вашата парола трябва да съдържа поне %(min_length)d символа."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Паролата е много подобна на %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Вашата парола не може да прилича на останалата Ви лична информация."
+
+msgid "This password is too common."
+msgstr "Тази парола е често срещана."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Вашата парола не може да бъде често срещана."
+
+msgid "This password is entirely numeric."
+msgstr "Тази парола е изцяло от цифри."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Вашата парола не може да бъде само от цифри."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Промяна на парола за %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Въведете валидно потребителско име. То може да съдържа неударени малки a-z и "
+"големи A-Z букви, цифри и @/./+/-/_ символи."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Въведете валидно потребителско име. То може да съдържа само букви, цифри и "
+"@/./+/-/_ символи."
+
+msgid "Logged out"
+msgstr "Извън системата"
+
+msgid "Password reset"
+msgstr "Забравена парола"
+
+msgid "Password reset sent"
+msgstr "Нулиране на паролата е изпратено"
+
+msgid "Enter new password"
+msgstr "Въведете нова парола"
+
+msgid "Password reset unsuccessful"
+msgstr "Неуспешна промяна на паролата "
+
+msgid "Password reset complete"
+msgstr "Промяната на парола завърши"
+
+msgid "Password change"
+msgstr "Промяна на парола"
+
+msgid "Password change successful"
+msgstr "Паролата е сменена успешно"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9bb6607f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..26e37cbb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tahmid Rafi <rafi.tahmid@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "ব্যক্তিগত তথ্য"
+
+msgid "Permissions"
+msgstr "অনুমোদন"
+
+msgid "Important dates"
+msgstr "গুরুত্বপূর্ণ তারিখ"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "পাসওয়ার্ড বদল সফল হয়েছে।"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "পাসওয়ার্ড বদলানঃ %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "পাসওয়ার্ড"
+
+msgid "last login"
+msgstr "সর্বশেষ প্রবেশ"
+
+msgid "No password set."
+msgstr "কোনো পাসওয়ার্ড সেট করা হয় নি।"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "অবৈধ পাসওয়ার্ড ফরম্যাট অথবা অজ্ঞাত হ্যাশিং অ্যালগরিদম।"
+
+msgid "The two password fields didn't match."
+msgstr "পাসওয়ার্ড দুটো মেলেনি।"
+
+msgid "Password"
+msgstr "পাসওয়ার্ড"
+
+msgid "Password confirmation"
+msgstr "পাসওয়ার্ড নিশ্চিত করুন"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "এই একাউন্টটি কার্যকর নয়।"
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "নতুন পাসওয়ার্ড"
+
+msgid "New password confirmation"
+msgstr "নতুন পাসওয়ার্ড নিশ্চিতকরণ"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"আপনার পুরনো পাসওয়ার্ড ঠিকভাবে প্রবেশ করানো হয়নি। অনুগ্রহপূর্বক সঠিক পাসওয়ার্ড দিন।"
+
+msgid "Old password"
+msgstr "পুরনো পাসওয়ার্ড"
+
+msgid "Password (again)"
+msgstr "পাসওয়ার্ড (পুনরায়)"
+
+msgid "algorithm"
+msgstr "অ্যালগরিদম"
+
+msgid "iterations"
+msgstr "ইটারেশন"
+
+msgid "salt"
+msgstr "সল্ট"
+
+msgid "hash"
+msgstr "হ্যাশ"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr "চেকসাম"
+
+msgid "name"
+msgstr "নাম"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "কোডনাম"
+
+msgid "permission"
+msgstr "অনুমোদন"
+
+msgid "permissions"
+msgstr "অনুমোদন"
+
+msgid "group"
+msgstr "দল"
+
+msgid "groups"
+msgstr "দল সমূহ"
+
+msgid "superuser status"
+msgstr "সুপারইউজার মর্যাদা"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "সদস্যকে সকল ধরণের অনুমতি প্রদান করে।"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "সদস্যের অনুমোদন সমূহ"
+
+msgid "Specific permissions for this user."
+msgstr "এই ব্যবহারকারীর জন্য নির্দিষ্ট পারমিশন।"
+
+msgid "username"
+msgstr "সদস্যনাম"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "এই সদস্যনামে একজন সদস্য আছেন।"
+
+msgid "first name"
+msgstr "প্রথম নাম"
+
+msgid "last name"
+msgstr "শেষ নাম"
+
+msgid "email address"
+msgstr "ইমেইল অ্যাড্রেস"
+
+msgid "staff status"
+msgstr "স্টাফ মর্যাদা"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "সদস্যকে প্রশাসন সাইটে প্রবেশাধিকার প্রদান।"
+
+msgid "active"
+msgstr "সচল"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr "সদস্যকে সচল হিসেবে নির্ধারণ করুন। একাউন্ট মুছে ফেলার বদলে এটি ব্যবহার করুন।"
+
+msgid "date joined"
+msgstr "যোগদানের তারিখ"
+
+msgid "user"
+msgstr "সদস্য"
+
+msgid "users"
+msgstr "সদস্যগণ"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "প্রস্থান সম্পন্ন"
+
+msgid "Password reset"
+msgstr "পাসওয়ার্ড রিসেট"
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr "নতুন পাসওয়ার্ড দিন"
+
+msgid "Password reset unsuccessful"
+msgstr "পাসওয়ার্ড রিসেট সফল হয়নি"
+
+msgid "Password reset complete"
+msgstr "পাসওয়ার্ড রিসেট সম্পন্ন হয়েছে"
+
+msgid "Password change"
+msgstr "পাসওয়ার্ড পরিবর্তন"
+
+msgid "Password change successful"
+msgstr "পাসওয়ার্ড পরিবর্তন সফল হয়েছে"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ff11ddbe
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/br/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..287f92c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,293 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fulup <fulup.jakez@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "Personal info"
+msgstr ""
+
+msgid "Permissions"
+msgstr ""
+
+msgid "Important dates"
+msgstr ""
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "ger-tremen"
+
+msgid "last login"
+msgstr "kevreet da ziwezhañ"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr "Ger-tremen"
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "Ger-tremen nevez"
+
+msgid "New password confirmation"
+msgstr "Kadarnaat ar ger-tremen nevez"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr "Ger-tremen kozh"
+
+msgid "Password (again)"
+msgstr "Ger-tremen (adarre)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "anv"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr "strollad"
+
+msgid "groups"
+msgstr "strolladoù"
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr "anv-bihan"
+
+msgid "last name"
+msgstr "anv-familh"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr "implijer"
+
+msgid "users"
+msgstr "implijerien"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Digevreet"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cb49f5c8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..672e234f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,296 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Arza Grbic <arza.grbic@gmail.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-09-27 17:56+0000\n"
+"Last-Translator: Arza Grbic <arza.grbic@gmail.com>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Personal info"
+msgstr "Lični podaci"
+
+msgid "Permissions"
+msgstr "Dozvole"
+
+msgid "Important dates"
+msgstr "Važni datumi"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s objekat sa primarnim ključem %(key)r ne postoji."
+
+msgid "Password changed successfully."
+msgstr "Lozinka uspješno izmjenjena."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Izmjeni lozinku: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "lozinka"
+
+msgid "last login"
+msgstr "posljednja prijava"
+
+msgid "No password set."
+msgstr "Lozinka nije postavljena."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Neispravan format lozinke ili nepoznat hashing algoritam."
+
+msgid "The two password fields didn’t match."
+msgstr ""
+
+msgid "Password"
+msgstr "Lozinka"
+
+msgid "Password confirmation"
+msgstr "Potvrda lozinke"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "Ovaj nalog je neaktivan."
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "Nova lozinka"
+
+msgid "New password confirmation"
+msgstr "Potvrda nove lozinke"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Vaša stara lozinka nije pravilno unesena. Unesite je ponovo."
+
+msgid "Old password"
+msgstr "Stara lozinka"
+
+msgid "Password (again)"
+msgstr "Lozinka (ponovite)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "block size"
+msgstr ""
+
+msgid "name"
+msgstr "ime"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "šifra dozvole"
+
+msgid "permission"
+msgstr "dozvola"
+
+msgid "permissions"
+msgstr "dozvole"
+
+msgid "group"
+msgstr "grupa"
+
+msgid "groups"
+msgstr "grupe"
+
+msgid "superuser status"
+msgstr "status administratora"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Označava da li korisnik ima sve dozvole bez dodjeljivanja pojedinačnih "
+"dozvola."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "korisničke dozvole"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "korisničko ime"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Korisnik sa tim korisničkim imenom već postoji."
+
+msgid "first name"
+msgstr "ime"
+
+msgid "last name"
+msgstr "prezime"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr "status člana uredništva"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Označava da li korisnik može da se prijavi na ovaj sajt za administraciju."
+
+msgid "active"
+msgstr "aktivan"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Označava da li se korisnik smatra aktivnim. Uklnote izbor sa ovog polja "
+"umjesto da brišete nalog."
+
+msgid "date joined"
+msgstr "datum registracije"
+
+msgid "user"
+msgstr "korisnik"
+
+msgid "users"
+msgstr "korisnici"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Odjavljen"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c53f782e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ca/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ae4a6d54
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,316 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2015,2017,2021
+# Carles Barrobés <carles@barrobes.com>, 2011-2012,2014-2015
+# Carles Pina Estany, 2022
+# Gil Obradors Via <gil.obradors@gmail.com>, 2019
+# Gil Obradors Via <gil.obradors@gmail.com>, 2019-2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marc Compte <marc@compte.cat>, 2021
+# Roger Pons <rogerpons@gmail.com>, 2015
+# Xavier RG <xavirodgal@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2022-07-25 08:09+0000\n"
+"Last-Translator: Carles Pina Estany\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Informació personal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Dates importants"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "No existeix cap objecte %(name)s amb la clau primària %(key)r."
+
+msgid "Password changed successfully."
+msgstr "Contrasenya canviada amb èxit"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Canviar contrasenya: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticació i Autorització"
+
+msgid "password"
+msgstr "contrasenya"
+
+msgid "last login"
+msgstr "últim inici de sessió"
+
+msgid "No password set."
+msgstr "No s'ha establert la clau."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Format de contrasenya incorrecte o algorisme de hash desconegut."
+
+msgid "The two password fields didn’t match."
+msgstr "Els dos camps de contrasenya no coincideixen."
+
+msgid "Password"
+msgstr "Contrasenya"
+
+msgid "Password confirmation"
+msgstr "Confirmació de contrasenya"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Introduïu la mateixa contrasenya d'abans, com a verificació."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Les contrasenyes no es guarden en text clar, així que no hi ha forma de "
+"conèixer-les, però pots canviar la contrasenya utilitzant <a href=\"{}\"> "
+"aquest formulari</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Si us plau, introduïu un %(username)s i clau correctes. Observeu que ambdós "
+"camps poden ser sensibles a majúscules."
+
+msgid "This account is inactive."
+msgstr "Aquest compte està inactiu"
+
+msgid "Email"
+msgstr "Correu electrònic"
+
+msgid "New password"
+msgstr "Contrasenya nova"
+
+msgid "New password confirmation"
+msgstr "Confirmació de contrasenya nova"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"La vostra antiga contrasenya no és correcta. Si us plau, introduïu-la de nou."
+
+msgid "Old password"
+msgstr "Contrasenya antiga"
+
+msgid "Password (again)"
+msgstr "Contrasenya (de nou)"
+
+msgid "algorithm"
+msgstr "algorisme"
+
+msgid "iterations"
+msgstr "iteracions"
+
+msgid "salt"
+msgstr "sal"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "varietat"
+
+msgid "version"
+msgstr "versió"
+
+msgid "memory cost"
+msgstr "cost de memòria"
+
+msgid "time cost"
+msgstr "cost de temps"
+
+msgid "parallelism"
+msgstr "paralelisme"
+
+msgid "work factor"
+msgstr "factor de treball"
+
+msgid "checksum"
+msgstr "suma de comprovació"
+
+msgid "block size"
+msgstr "mida de bloc"
+
+msgid "name"
+msgstr "nom"
+
+msgid "content type"
+msgstr "tipus de contingut"
+
+msgid "codename"
+msgstr "nom en clau"
+
+msgid "permission"
+msgstr "permís"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grup"
+
+msgid "groups"
+msgstr "grups"
+
+msgid "superuser status"
+msgstr "estat de superusuari"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Designa que aquest usuari té tots els permisos sense assignar-los "
+"explícitament."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Els grups als que pertany l'usuari. Un usuari tindrà tots els permisos de "
+"cadascun dels seus grups."
+
+msgid "user permissions"
+msgstr "permisos de l'usuari"
+
+msgid "Specific permissions for this user."
+msgstr "Permisos específics per a aquest usuari."
+
+msgid "username"
+msgstr "nom d'usuari"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Obligatori. 150 o menys caràcters. Només lletres, dígits i @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Ja existeix un usuari amb aquest nom."
+
+msgid "first name"
+msgstr "nom propi"
+
+msgid "last name"
+msgstr "cognoms"
+
+msgid "email address"
+msgstr "adreça de correu electrònic"
+
+msgid "staff status"
+msgstr "membre del personal"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Designa si l'usuari pot entrar al lloc administratiu."
+
+msgid "active"
+msgstr "actiu"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Designa si aquest usuari ha de ser tractat com a actiu. Deseleccioneu-ho "
+"enlloc d'esborrar comptes d'usuari."
+
+msgid "date joined"
+msgstr "data d'incorporació"
+
+msgid "user"
+msgstr "usuari"
+
+msgid "users"
+msgstr "usuaris"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"La contrasenya és massa curta. Ha de tenir al menys %(min_length)d caràcter."
+msgstr[1] ""
+"La contrasenya és massa curta. Ha de tenir un mínim de %(min_length)d "
+"caràcters."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "La contrasenya és ha de tenir al menys %(min_length)d caràcter."
+msgstr[1] "La contrasenya ha de tenir un mínim de %(min_length)d caràcters."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La contrasenya és massa semblant a %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"La teva contrasenya no pot ser tan similar a alguna de la teva informació "
+"personal"
+
+msgid "This password is too common."
+msgstr "Aquesta contrasenya és massa comuna."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "La teva contrasenya no pot ser la típica contrasenya comuna."
+
+msgid "This password is entirely numeric."
+msgstr "La contrasenya està formada només per números."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "La teva contrasenya no potser únicament numèrica."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Reinicialitzar la contrasenya a %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Introdueixi un nom d'usuari vàlid. Aquest valor pot contenir sols lletres, "
+"números i els caràcters @/./+/-/_ "
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Introdueixi un nom d'usuari vàlid. Aquest valor pot contenir sols lletres, "
+"números i els caràcters @/./+/-/_ "
+
+msgid "Logged out"
+msgstr "Sessió finalitzada"
+
+msgid "Password reset"
+msgstr "Restablir contrasenya"
+
+msgid "Password reset sent"
+msgstr "Restabliment de contrasenya enviat"
+
+msgid "Enter new password"
+msgstr "Introduïu la nova contrasenya"
+
+msgid "Password reset unsuccessful"
+msgstr "Restabliment de contrasenya fallat"
+
+msgid "Password reset complete"
+msgstr "Contrasenya restablerta"
+
+msgid "Password change"
+msgstr "Canvi de contrasenya"
+
+msgid "Password change successful"
+msgstr "Contrasenya canviada amb èxit"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9814f329
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ckb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..30e02c18
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,306 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Swara <swara09@gmail.com>, 2022,2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2024-01-25 08:09+0000\n"
+"Last-Translator: Swara <swara09@gmail.com>, 2022,2024\n"
+"Language-Team: Central Kurdish (http://app.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "زانیاریی کەسی"
+
+msgid "Permissions"
+msgstr "ڕێگەپێدانەکان"
+
+msgid "Important dates"
+msgstr "بەروارە گرنگەکان"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s ئۆبجێکت لەگەڵ کلیلی سەرەکیی %(key)r بوونی نیە."
+
+msgid "Password changed successfully."
+msgstr "تێپەڕەوشە بەسەرکەوتوویی گۆڕدرا."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "گۆڕینی تێپەڕەوشەی: %s"
+
+msgid "Authentication and Authorization"
+msgstr "ڕەسەنایەتی و ڕێگەپێدان"
+
+msgid "password"
+msgstr "تێپەڕەوشە"
+
+msgid "last login"
+msgstr "دوا چوونەژوورەوە"
+
+msgid "No password set."
+msgstr "تێپەڕەوشە جێگیرنەکراوە."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "شێوازی تێپەڕەوشە نادروستە یان ئەلگۆریتمێکی هاشکراوی نەناسراوە."
+
+msgid "The two password fields didn’t match."
+msgstr "هەردوو خانەی تێپەڕەوشە وەک یەک نین."
+
+msgid "Password"
+msgstr "تێپەڕەوشە"
+
+msgid "Password confirmation"
+msgstr "دووپاتکردنەوەی تێپەڕەوشە"
+
+msgid "Enter the same password as before, for verification."
+msgstr "بۆ پشتڕاستکردنەوە هەمان تێپەڕەوشەی پێشوو بنوسە."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"تێپەڕەوشەی خاو هەڵناگیرێت, لەبەرئەوە هیچ ڕێگەیەک نییە بۆ بینینی تێپەڕەوشەی "
+"ئەم بەکارهێنەرە, بەڵام دەتوانیت تێپەڕەوشەکە بگۆڕیت بە بەکارهێنانی <a "
+"href=\"{}\">ئەم فۆڕمە</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"تکایە %(username)s و تێپەڕەوشەی دروست بنوسە. لەوانەیە هەردوو خانەکە پێویستی "
+"بە دۆخی هەستیار بێت بۆ پیتەکان."
+
+msgid "This account is inactive."
+msgstr "ئەم هەژمارە ناچالاکە."
+
+msgid "Email"
+msgstr "ئیمەیڵ"
+
+msgid "New password"
+msgstr "تێپەڕەوشەی نوێ"
+
+msgid "New password confirmation"
+msgstr "دووپاتکردنەوەی تێپەڕەوشەی نوێ"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "تێپەڕەوشە کۆنەکەت بە هەڵە نوسراوە. تکایە دووبارە بینوسەوە."
+
+msgid "Old password"
+msgstr "تێپەڕەوشەی کۆن"
+
+msgid "Password (again)"
+msgstr "تێپەڕەوشە(دووبارە)"
+
+msgid "algorithm"
+msgstr "ئەلگۆریتم"
+
+msgid "iterations"
+msgstr "دووبارەکردنەوەکان"
+
+msgid "salt"
+msgstr "خوێ"
+
+msgid "hash"
+msgstr "په‌یژه‌"
+
+msgid "variety"
+msgstr "هەمەچەشنی"
+
+msgid "version"
+msgstr "وەشان"
+
+msgid "memory cost"
+msgstr "تێچووی بیرگە"
+
+msgid "time cost"
+msgstr "تێچووی کات"
+
+msgid "parallelism"
+msgstr "هاوتەریبی"
+
+msgid "work factor"
+msgstr "هۆکاری کار"
+
+msgid "checksum"
+msgstr "کۆی پشکنین"
+
+msgid "block size"
+msgstr "قەبارەی بلۆک"
+
+msgid "name"
+msgstr "ناو"
+
+msgid "content type"
+msgstr "جۆری ناوەڕۆک"
+
+msgid "codename"
+msgstr "ناوی کۆد"
+
+msgid "permission"
+msgstr "ڕێگەپێدان"
+
+msgid "permissions"
+msgstr "ڕێگەپێدانەکان"
+
+msgid "group"
+msgstr "گرووپ"
+
+msgid "groups"
+msgstr "گرووپەکان"
+
+msgid "superuser status"
+msgstr "باری بەرزەبەکارهێنەر"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"دیاری دەکات کە ئەم بەکارهێنەرە هەموو مۆڵەتەکانی هەیە بەبێ ئەوەی بە تایبەتی "
+"پێی بسپێردرێت."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"ئەو گروپانەی ئەم بەکارهێنەرە سەر بەو گروپانەیە. بەکارهێنەرێک هەموو ئەو "
+"مۆڵەتانە وەردەگرێت کە بە هەریەک لەو گروپانە دەدرێت."
+
+msgid "user permissions"
+msgstr "ڕێگەپێدانەکانی بەکارهێنەر"
+
+msgid "Specific permissions for this user."
+msgstr "ڕێگەپێدانە تایبەتەکان بۆ ئەم بەکارهێنەرە."
+
+msgid "username"
+msgstr "ناوی بەکارهێنەر"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "داواکراوە. 150 پیت یان کەمتر. تەنها پیت، ژمارە و @/./+/-/_ بێت."
+
+msgid "A user with that username already exists."
+msgstr "بەکارهێنەرەکە بە هەمان ناوی بەکارهێنەرەوە پێشتر هەیە."
+
+msgid "first name"
+msgstr "ناوی یەکەم"
+
+msgid "last name"
+msgstr "ناوی دووەم"
+
+msgid "email address"
+msgstr "ناونیشانی ئیمەیڵ"
+
+msgid "staff status"
+msgstr "باری ستاف"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"دیاری دەکات کە ئایا بەکارهێنەر دەتوانێت بچێتە ناو بەڕێوەبەرایەتی ئەم "
+"پێگەیەوە."
+
+msgid "active"
+msgstr "چالاک"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"دیاری دەکات کە ئایا ئەم بەکارهێنەرە دەبێت وەک چالاک مامەڵەی لەگەڵدا بکرێت "
+"یان نا. لەبری سڕینەوەی هەژمارەکان ئەمە هەڵمەبژێرە."
+
+msgid "date joined"
+msgstr "بەرواری پەیوەستبوون"
+
+msgid "user"
+msgstr "بەکارهێنەر"
+
+msgid "users"
+msgstr "بەکارهێنەر"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"ئەم تێپەڕەوشە زۆر کورتە. دەبێت لانیکەم پێکبێت لە %(min_length)d نوسە."
+msgstr[1] ""
+"ئەم تێپەڕەوشە زۆر کورتە. دەبێت لانیکەم پێکبێت لە %(min_length)d نوسە."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "تێپەڕەوشەکەت دەبێت لانیکەم لە %(min_length)d نوسە پێک بێت."
+msgstr[1] "تێپەڕەوشەکەت دەبێت لانیکەم لە %(min_length)d نوسە پێک بێت."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "ئەم تێپەڕەوشەیە زۆر هاوشێوەی %(verbose_name)sیە."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "‫تێپەڕەوشەکەت نابێت لەگەڵ زانیارییە کەسییەکانت زۆر چوونیەک بێت.‬"
+
+msgid "This password is too common."
+msgstr "ئەم تێپەڕەوشەیە زۆر باوە."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "تێپەڕەوشەکەت ناتوانێت تێپەڕەوشەیەکی باو بێت."
+
+msgid "This password is entirely numeric."
+msgstr "ئەم تێپەڕەوشەیە بە تەواوی ژمارەیە."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "تێپەڕەوشەکەت نابێت بە تەواوی ژمارە بێت"
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "تێپەڕەوشەکەت دانرایەوە لە %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"ناوی بەکارهێنەرێکی دروست بنوسە. ئەم بەهایە لەوانەیە تەنها پیتی بچووکی بێ "
+"زاراوەی تێدابێت a-z و پیتی گەورە A-Z، ژمارەکان، و هێماکانی @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"ناوی بەکارهێنەرێکی دروست بنوسە. ئەم بەهایە لەوانەیە تەنها پیت و ژمارە و "
+"پیتەکانی @/./+/-/_ لەخۆبگرێت."
+
+msgid "Logged out"
+msgstr "چوونەدەرەوە"
+
+msgid "Password reset"
+msgstr "دانانەوەی تێپەڕەوشە"
+
+msgid "Password reset sent"
+msgstr "دانانەوەی تێپەڕەوشە نێردرا"
+
+msgid "Enter new password"
+msgstr "تێپەڕەوشەی نوێ بنوسە"
+
+msgid "Password reset unsuccessful"
+msgstr "دانانەوەی تێپەڕەوشە سەرکەوتوو نەبوو"
+
+msgid "Password reset complete"
+msgstr "دانانەوەی تێپەڕەوشە تەواو بوو"
+
+msgid "Password change"
+msgstr "گۆڕینی تێپەڕەوشە"
+
+msgid "Password change successful"
+msgstr "تێپەڕەوشە بەسەرکەوتوویی گۆڕدرا"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..71403aec
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..78b6fc49
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,309 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jan Munclinger <jan.munclinger@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tomáš Ehrlich <tomas.ehrlich@gmail.com>, 2015
+# Vláďa Macek <macek@sandbox.cz>, 2013-2014
+# Vláďa Macek <macek@sandbox.cz>, 2015-2017,2019,2021-2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2022-01-04 18:49+0000\n"
+"Last-Translator: Vláďa Macek <macek@sandbox.cz>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Personal info"
+msgstr "Osobní údaje"
+
+msgid "Permissions"
+msgstr "Oprávnění"
+
+msgid "Important dates"
+msgstr "Důležitá data"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Položka \"%(name)s\" s primárním klíčem \"%(key)r\" neexistuje."
+
+msgid "Password changed successfully."
+msgstr "Změna hesla byla úspěšná."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Heslo pro uživatele %s: změnit"
+
+msgid "Authentication and Authorization"
+msgstr "Autentizace a autorizace"
+
+msgid "password"
+msgstr "heslo"
+
+msgid "last login"
+msgstr "poslední přihlášení"
+
+msgid "No password set."
+msgstr "Heslo nenastaveno."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Neplatný formát hesla nebo neplatný hashovací algoritmus."
+
+msgid "The two password fields didn’t match."
+msgstr "Hesla se neshodují."
+
+msgid "Password"
+msgstr "Heslo"
+
+msgid "Password confirmation"
+msgstr "Potvrzení hesla"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Zadejte pro ověření stejné heslo jako předtím."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Hesla se neukládají přímo a tak je nelze zobrazit. Je ale možné je změnit "
+"pomocí <a href=\"{}\">tohoto formuláře</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Zadejte správnou hodnotu pole %(username)s a heslo. Pozor, obě pole mohou "
+"rozlišovat malá a velká písmena."
+
+msgid "This account is inactive."
+msgstr "Tento účet je neaktivní."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Nové heslo"
+
+msgid "New password confirmation"
+msgstr "Potvrzení nového hesla"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Vaše současné heslo nebylo zadáno správně. Zkuste to znovu."
+
+msgid "Old password"
+msgstr "Současné heslo"
+
+msgid "Password (again)"
+msgstr "Heslo (znovu)"
+
+msgid "algorithm"
+msgstr "algoritmus"
+
+msgid "iterations"
+msgstr "iterace"
+
+msgid "salt"
+msgstr "hodnota salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "varieta"
+
+msgid "version"
+msgstr "verze"
+
+msgid "memory cost"
+msgstr "spotřeba paměti"
+
+msgid "time cost"
+msgstr "časový náklad"
+
+msgid "parallelism"
+msgstr "paralelismus"
+
+msgid "work factor"
+msgstr "faktor práce"
+
+msgid "checksum"
+msgstr "kontrolní součet"
+
+msgid "block size"
+msgstr "velikost bloku"
+
+msgid "name"
+msgstr "název"
+
+msgid "content type"
+msgstr "typ obsahu"
+
+msgid "codename"
+msgstr "kódový název"
+
+msgid "permission"
+msgstr "oprávnění"
+
+msgid "permissions"
+msgstr "oprávnění"
+
+msgid "group"
+msgstr "skupina"
+
+msgid "groups"
+msgstr "skupiny"
+
+msgid "superuser status"
+msgstr "superuživatel"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Určuje, že uživatel má veškerá oprávnění bez jejich explicitního přiřazení."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Skupiny, do kterých tento uživatel patří. Uživatel dostane všechna oprávnění "
+"udělená každé z jeho skupin."
+
+msgid "user permissions"
+msgstr "uživatelská oprávnění"
+
+msgid "Specific permissions for this user."
+msgstr "Konkrétní oprávnění tohoto uživatele."
+
+msgid "username"
+msgstr "uživatelské jméno"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Požadováno. 150 znaků nebo méně. Pouze písmena, číslice a znaky @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Uživatel s tímto jménem již existuje."
+
+msgid "first name"
+msgstr "křestní jméno"
+
+msgid "last name"
+msgstr "příjmení"
+
+msgid "email address"
+msgstr "e-mailová adresa"
+
+msgid "staff status"
+msgstr "administrační přístup"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Určuje, zda se uživatel může přihlásit do správy tohoto webu."
+
+msgid "active"
+msgstr "aktivní"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Určuje, zda bude uživatel považován za aktivního. Použijte tuto možnost "
+"místo odstranění účtů."
+
+msgid "date joined"
+msgstr "datum registrace"
+
+msgid "user"
+msgstr "uživatel"
+
+msgid "users"
+msgstr "uživatelé"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "Heslo je příliš krátké. Musí mít délku aspoň %(min_length)d znak."
+msgstr[1] "Heslo je příliš krátké. Musí mít délku aspoň %(min_length)d znaky."
+msgstr[2] "Heslo je příliš krátké. Musí mít délku aspoň %(min_length)d znaků."
+msgstr[3] "Heslo je příliš krátké. Musí mít délku aspoň %(min_length)d znaků."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Heslo musí mít délku aspoň %(min_length)d znak."
+msgstr[1] "Heslo musí mít délku aspoň %(min_length)d znaky."
+msgstr[2] "Heslo musí mít délku aspoň %(min_length)d znaků."
+msgstr[3] "Heslo musí mít délku aspoň %(min_length)d znaků."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Heslo je příliš podobné obsahu pole %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Heslo nemůže být příliš podobné jinému údaji ve vašem účtu."
+
+msgid "This password is too common."
+msgstr "Heslo je příliš běžné."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Vaše heslo nemůže být takové, které je často používané."
+
+msgid "This password is entirely numeric."
+msgstr "Heslo se skládá pouze z čísel."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Vaše heslo nemůže být čistě číselné."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Obnovení hesla na webu %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Zadejte platné uživatelské jméno. Hodnota může obsahovat pouze písmena bez "
+"diakritiky, tj. háčků a čárek, číslice a znaky @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Zadejte platné uživatelské jméno. Hodnota může obsahovat pouze písmena, "
+"číslice a znaky @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Odhlášeno"
+
+msgid "Password reset"
+msgstr "Obnovení hesla"
+
+msgid "Password reset sent"
+msgstr "Zpráva s obnovením hesla byla odeslána"
+
+msgid "Enter new password"
+msgstr "Zadejte nové heslo"
+
+msgid "Password reset unsuccessful"
+msgstr "Obnovení hesla bylo neúspěšné"
+
+msgid "Password reset complete"
+msgstr "Heslo bylo obnoveno"
+
+msgid "Password change"
+msgstr "Změna hesla"
+
+msgid "Password change successful"
+msgstr "Změna hesla byla úspěšná"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6221fd33
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ee4ea46a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,294 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2013-2014
+# pjrobertson, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Personal info"
+msgstr "Gwybodaeth bersonol"
+
+msgid "Permissions"
+msgstr "Hawliau"
+
+msgid "Important dates"
+msgstr "Dyddiadau pwysig"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Newidwyd y gyfrinair."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Newid cyfrinair: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Dilysu ac Awdurdodi"
+
+msgid "password"
+msgstr "cyfrinair"
+
+msgid "last login"
+msgstr "mewngofnod diwethaf"
+
+msgid "No password set."
+msgstr "Cyfrinair heb ei osod."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Fformat cyfrinair annilys neu algorithm hashio anhysbys."
+
+msgid "The two password fields didn't match."
+msgstr "Nid oedd y ddau faes cyfrinair yr un peth."
+
+msgid "Password"
+msgstr "Cyfrinair"
+
+msgid "Password confirmation"
+msgstr "Cadarnhad cyfrinair"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Teipiwch yr %(username)s a chyfrinair cywir ar gyfer cyfrif staff. Noder y "
+"gall y ddau faes fod yn sensitif i lythrennau bach a llythrennau bras."
+
+msgid "This account is inactive."
+msgstr "Mae'r cyfrif yn anweithredol."
+
+msgid "Email"
+msgstr "Ebost"
+
+msgid "New password"
+msgstr "Cyfrinair newydd"
+
+msgid "New password confirmation"
+msgstr "Cadarnhad cyfrinair newydd"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Rhoddwydd eich hen gyfrinair yn anghywir.  Triwch eto."
+
+msgid "Old password"
+msgstr "Hen gyfrinair"
+
+msgid "Password (again)"
+msgstr "Cyfrinair (eto)"
+
+msgid "algorithm"
+msgstr "algorithm"
+
+msgid "iterations"
+msgstr "iteriadau"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "ffactor gwaith"
+
+msgid "checksum"
+msgstr "prawfswm"
+
+msgid "name"
+msgstr "enw"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "enw arwyddol"
+
+msgid "permission"
+msgstr "hawl"
+
+msgid "permissions"
+msgstr "hawliau"
+
+msgid "group"
+msgstr "grŵp"
+
+msgid "groups"
+msgstr "grwpiau"
+
+msgid "superuser status"
+msgstr "statws uwchddefnyddiwr"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Dynoda bod gan y defnyddiwr yr holl hawliau heb eu dynodi'n benodol."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "hawliau defnyddiwr"
+
+msgid "Specific permissions for this user."
+msgstr "Caniatâd penodol ar gyfer y defnyddiwr hwn."
+
+msgid "username"
+msgstr "enw defnyddiwr"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Mae'r enw defnyddiwr yn bodoli'n barod."
+
+msgid "first name"
+msgstr "enw cyntaf"
+
+msgid "last name"
+msgstr "cyfenw"
+
+msgid "email address"
+msgstr "cyfeiriad ebost"
+
+msgid "staff status"
+msgstr "statws staff"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Dynoda os gall y defnyddiwr fewngofnodi i'r adran weinyddol."
+
+msgid "active"
+msgstr "gweithredol"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Dynoda os ydy'r defnyddiwr yn weithredol.  Dad-ddewiswch hwn yn lle dileu "
+"cyfrifon."
+
+msgid "date joined"
+msgstr "dyddiad ymuno"
+
+msgid "user"
+msgstr "defnyddiwr"
+
+msgid "users"
+msgstr "defnyddwyr"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Ailosod cyfrinar ar %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Allgofnodwyd"
+
+msgid "Password reset"
+msgstr "Ailosod cyfrinair"
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr "Rhowch gyfrinair newydd"
+
+msgid "Password reset unsuccessful"
+msgstr "Ailosod y cyfrinair yn aflwyddiannus"
+
+msgid "Password reset complete"
+msgstr "Cwblhawyd ailosod y cyfrinair"
+
+msgid "Password change"
+msgstr "Newid cyfrinair"
+
+msgid "Password change successful"
+msgstr "Newid cyfrinair yn llwyddianus"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..861a1c28
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/da/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..25db7117
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,309 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Christian Joergensen <christian@gmta.info>, 2012
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2021,2023
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2013-2017,2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 85794379431c3e0f5c85c0e72a78d45b_658ddd9, 2013
+# tiktuk <tiktuk@gmail.com>, 2018
+# valberg <valberg@orn.li>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2021,2023\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Personlig information"
+
+msgid "Permissions"
+msgstr "Rettigheder"
+
+msgid "Important dates"
+msgstr "Vigtige datoer"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Der findes ikke et %(name)s-objekt med primærnøgle %(key)r."
+
+msgid "Password changed successfully."
+msgstr "Adgangskoden blev ændret."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Skift adgangskode: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Godkendelse og autorisation"
+
+msgid "password"
+msgstr "adgangskode"
+
+msgid "last login"
+msgstr "sidst logget ind"
+
+msgid "No password set."
+msgstr "Ingen adgangskode valgt."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ugyldigt adgangskodeformat eller hashing-algoritme."
+
+msgid "The two password fields didn’t match."
+msgstr "De to adgangskoder var ikke identiske."
+
+msgid "Password"
+msgstr "Adgangskode"
+
+msgid "Password confirmation"
+msgstr "Bekræftelse af adgangskode"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Indtast den samme adgangskode som før, for bekræftelse."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Rå adgangskoder gemmes ikke, så det er ikke muligt at se denne brugers "
+"adgangskode, men du kan ændre adgangskoden ved hjælp af <a href=\"{}\">denne "
+"formular</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Indtast venligst korrekt %(username)s og adgangskode. Bemærk at begge felter "
+"kan være versalfølsomme."
+
+msgid "This account is inactive."
+msgstr "Denne konto er inaktiv."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Ny adgangskode"
+
+msgid "New password confirmation"
+msgstr "Bekræftelse af ny adgangskode"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Din gamle adgangskode blev ikke indtastet korrekt. Indtast den venligst igen."
+
+msgid "Old password"
+msgstr "Gammel adgangskode"
+
+msgid "Password (again)"
+msgstr "Adgangskode (igen)"
+
+msgid "algorithm"
+msgstr "algoritme"
+
+msgid "iterations"
+msgstr "iterationer"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variation"
+
+msgid "version"
+msgstr "version"
+
+msgid "memory cost"
+msgstr "hukommelsesomkostning"
+
+msgid "time cost"
+msgstr "tidsomkostning"
+
+msgid "parallelism"
+msgstr "parallelitet"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "tjeksum"
+
+msgid "block size"
+msgstr "blokstørrelse"
+
+msgid "name"
+msgstr "navn"
+
+msgid "content type"
+msgstr "indholdstype"
+
+msgid "codename"
+msgstr "kodenavn"
+
+msgid "permission"
+msgstr "rettighed"
+
+msgid "permissions"
+msgstr "rettigheder"
+
+msgid "group"
+msgstr "gruppe"
+
+msgid "groups"
+msgstr "grupper"
+
+msgid "superuser status"
+msgstr "superbrugerstatus"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Bestemmer at denne bruger har alle rettigheder uden at tildele dem eksplicit."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupperne som denne bruger hører til. En bruger får alle rettigheder givet "
+"til hver af hans/hendes grupper."
+
+msgid "user permissions"
+msgstr "rettigheder"
+
+msgid "Specific permissions for this user."
+msgstr "Specifikke rettigheder for denne bruger."
+
+msgid "username"
+msgstr "brugernavn"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Påkrævet. Højst 150 tegn. Kun bogstaver og cifre samt @/./+/-/_"
+
+msgid "A user with that username already exists."
+msgstr "En bruger med dette brugernavn findes allerede."
+
+msgid "first name"
+msgstr "fornavn"
+
+msgid "last name"
+msgstr "efternavn"
+
+msgid "email address"
+msgstr "e-mail-adresse"
+
+msgid "staff status"
+msgstr "admin-status"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Bestemmer om brugeren kan logge ind på dette administrationswebsite."
+
+msgid "active"
+msgstr "aktiv"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Bestemmer om brugeren skal behandles som aktiv. Fravælg dette frem for at "
+"slette en konto."
+
+msgid "date joined"
+msgstr "dato for registrering"
+
+msgid "user"
+msgstr "bruger"
+
+msgid "users"
+msgstr "brugere"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Denne adgangskode er for kort. Den skal indeholde mindst %(min_length)d tegn."
+msgstr[1] ""
+"Denne adgangskode er for kort. Den skal indeholde mindst %(min_length)d tegn."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Din adgangskode skal indeholde mindst %(min_length)d tegn."
+msgstr[1] "Din adgangskode skal indeholde mindst %(min_length)d tegn."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Din adgangskode minder for meget om din/dit %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Din adgangskode må ikke minde om dine andre personlige oplysninger."
+
+msgid "This password is too common."
+msgstr "Denne adgangskode er for almindelig."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Din adgangskode må ikke være en ofte anvendt adgangskode."
+
+msgid "This password is entirely numeric."
+msgstr "Denne adgangskode er udelukkende numerisk."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Din adgangskode må ikke være udelukkende numerisk."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Adgangskode nulstillet på %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Indtast et gyldigt brugernavn. Denne værdi må kun indeholde små bogstaver a-"
+"z og store bogstaver A-Z uden accenter, samt cifre og tegnene @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Indtast et gyldigt brugernavn. Denne værdi må kun indeholde bogstaver, cifre "
+"og tegnene @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Logget ud"
+
+msgid "Password reset"
+msgstr "Nulstilling af adgangskode"
+
+msgid "Password reset sent"
+msgstr "Nulstilling af kodeord sendt"
+
+msgid "Enter new password"
+msgstr "Indtast ny adgangskode"
+
+msgid "Password reset unsuccessful"
+msgstr "Adgangskoden blev ikke nulstillet"
+
+msgid "Password reset complete"
+msgstr "Nulstilling af adgangskode fuldført"
+
+msgid "Password change"
+msgstr "Ændring af adgangskode"
+
+msgid "Password change successful"
+msgstr "Adgangskoden blev ændret"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3f68c10c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..777ff139
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,318 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Hagenbruch, 2011
+# Florian Apolloner <florian@apolloner.eu>, 2012
+# Florian Apolloner <florian@apolloner.eu>, 2021,2023
+# jnns, 2013
+# Jannis Leidel <jannis@leidel.info>, 2013-2017,2020,2023
+# jnns, 2016
+# Jens Neuhaus <kontakt@jensneuhaus.de>, 2016
+# Markus Holtermann <info@markusholtermann.eu>, 2023
+# Markus Holtermann <info@markusholtermann.eu>, 2013,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>, 2013-2017,2020,2023\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Persönliche Informationen"
+
+msgid "Permissions"
+msgstr "Berechtigungen"
+
+msgid "Important dates"
+msgstr "Wichtige Daten"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s-Objekt mit Primärschlüssel %(key)r ist nicht vorhanden."
+
+msgid "Password changed successfully."
+msgstr "Passwort erfolgreich geändert."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Passwort ändern: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Authentifizierung und Autorisierung"
+
+msgid "password"
+msgstr "Passwort"
+
+msgid "last login"
+msgstr "Letzte Anmeldung"
+
+msgid "No password set."
+msgstr "Kein Passwort gesetzt."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ungültiges Passwortformat oder unbekannter Hashing-Algorithmus."
+
+msgid "The two password fields didn’t match."
+msgstr "Die beiden Passwörter sind nicht identisch."
+
+msgid "Password"
+msgstr "Passwort"
+
+msgid "Password confirmation"
+msgstr "Passwort bestätigen"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Bitte das selbe Passwort zur Bestätigung erneut eingeben."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Die Passwörter werden nicht im Klartext gespeichert und können daher nicht "
+"dargestellt, sondern nur mit <a href=\"{}\">diesem Formular</a> geändert "
+"werden."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Bitte %(username)s und Passwort eingeben. Beide Felder berücksichtigen die "
+"Groß-/Kleinschreibung."
+
+msgid "This account is inactive."
+msgstr "Dieser Benutzer ist inaktiv."
+
+msgid "Email"
+msgstr "E-Mail-Adresse"
+
+msgid "New password"
+msgstr "Neues Passwort"
+
+msgid "New password confirmation"
+msgstr "Neues Passwort bestätigen"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Das alte Passwort war falsch. Bitte neu eingeben."
+
+msgid "Old password"
+msgstr "Altes Passwort"
+
+msgid "Password (again)"
+msgstr "Passwort (wiederholen)"
+
+msgid "algorithm"
+msgstr "Algorithmus"
+
+msgid "iterations"
+msgstr "Wiederholungen"
+
+msgid "salt"
+msgstr "Salt"
+
+msgid "hash"
+msgstr "Hash"
+
+msgid "variety"
+msgstr "Vielfalt"
+
+msgid "version"
+msgstr "Version"
+
+msgid "memory cost"
+msgstr "Speicherbedarf"
+
+msgid "time cost"
+msgstr "Zeitbedarf"
+
+msgid "parallelism"
+msgstr "Parallelität"
+
+msgid "work factor"
+msgstr "Arbeitsfaktor"
+
+msgid "checksum"
+msgstr "Prüfsumme"
+
+msgid "block size"
+msgstr "Blockgröße"
+
+msgid "name"
+msgstr "Name"
+
+msgid "content type"
+msgstr "Inhaltstyp"
+
+msgid "codename"
+msgstr "Codename"
+
+msgid "permission"
+msgstr "Berechtigung"
+
+msgid "permissions"
+msgstr "Berechtigungen"
+
+msgid "group"
+msgstr "Gruppe"
+
+msgid "groups"
+msgstr "Gruppen"
+
+msgid "superuser status"
+msgstr "Administrator-Status"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Legt fest, dass der Benutzer alle Berechtigungen hat, ohne diese einzeln "
+"zuweisen zu müssen."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Die Gruppen, denen der Benutzer angehört. Ein Benutzer bekommt alle "
+"Berechtigungen dieser Gruppen."
+
+msgid "user permissions"
+msgstr "Berechtigungen"
+
+msgid "Specific permissions for this user."
+msgstr "Spezifische Berechtigungen für diesen Benutzer."
+
+msgid "username"
+msgstr "Benutzername"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Erforderlich. 150 Zeichen oder weniger. Nur Buchstaben, Ziffern und @/./+/-/"
+"_."
+
+msgid "A user with that username already exists."
+msgstr "Dieser Benutzername ist bereits vergeben."
+
+msgid "first name"
+msgstr "Vorname"
+
+msgid "last name"
+msgstr "Nachname"
+
+msgid "email address"
+msgstr "E-Mail-Adresse"
+
+msgid "staff status"
+msgstr "Mitarbeiter-Status"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Legt fest, ob sich der Benutzer an der Administrationsseite anmelden kann."
+
+msgid "active"
+msgstr "Aktiv"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Legt fest, ob dieser Benutzer aktiv ist. Kann deaktiviert werden, anstatt "
+"Benutzer zu löschen."
+
+msgid "date joined"
+msgstr "Mitglied seit"
+
+msgid "user"
+msgstr "Benutzer"
+
+msgid "users"
+msgstr "Benutzer"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Dieses Passwort ist zu kurz. Es muss mindestens %(min_length)d Zeichen "
+"enthalten."
+msgstr[1] ""
+"Dieses Passwort ist zu kurz. Es muss mindestens %(min_length)d Zeichen "
+"enthalten."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Das Passwort muss mindestens %(min_length)d Zeichen enthalten."
+msgstr[1] "Das Passwort muss mindestens %(min_length)d Zeichen enthalten."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Das Passwort ist zu ähnlich zu %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Das Passwort darf nicht zu ähnlich zu anderen persönlichen Informationen "
+"sein."
+
+msgid "This password is too common."
+msgstr "Dieses Passwort ist zu üblich."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Das Passwort darf nicht allgemein üblich sein."
+
+msgid "This password is entirely numeric."
+msgstr "Dieses Passwort ist komplett numerisch. "
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Das Passwort darf nicht komplett aus Ziffern bestehen."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Passwort auf %(site_name)s zurücksetzen"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Bitte einen gültigen Benutzernamen eingeben, bestehend aus kleinen und "
+"großen Buchstaben (A-Z, a-z, ohne Sonderzeichen), Ziffern und @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Bitte einen gültigen Benutzernamen eingeben, bestehend aus Buchstaben, "
+"Ziffern und @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Abgemeldet"
+
+msgid "Password reset"
+msgstr "Passwort zurücksetzen"
+
+msgid "Password reset sent"
+msgstr "E-Mail zum Passwort zurücksetzen abgesendet"
+
+msgid "Enter new password"
+msgstr "Neues Passwort eingeben"
+
+msgid "Password reset unsuccessful"
+msgstr "Passwort nicht erfolgreich zurückgesetzt"
+
+msgid "Password reset complete"
+msgstr "Passwort zurücksetzen abgeschlossen"
+
+msgid "Password change"
+msgstr "Passwort ändern"
+
+msgid "Password change successful"
+msgstr "Passwort erfolgreich geändert"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..47302592
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a2cf9e98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,320 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016-2017,2020-2021,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>, "
+"2016-2017,2020-2021,2023\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "Personal info"
+msgstr "Wósobinske informacije"
+
+msgid "Permissions"
+msgstr "Pšawa"
+
+msgid "Important dates"
+msgstr "Wažne daty"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Objekt %(name)s z primarnym klucom %(key)r njeeksistěrujo."
+
+msgid "Password changed successfully."
+msgstr "Gronidło jo se změniło."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Gronidło změniś: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Awtentifikacija a awtorizacija"
+
+msgid "password"
+msgstr "gronidło"
+
+msgid "last login"
+msgstr "slědne pśizjawjenje"
+
+msgid "No password set."
+msgstr "Žedno gronidło nastajone."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Njepłaśiwy gronidłowy format abo njeznaty kontrolny algoritmus."
+
+msgid "The two password fields didn’t match."
+msgstr "Dwě gronidlowej póli njejstej jadnakej."
+
+msgid "Password"
+msgstr "Gronidło"
+
+msgid "Password confirmation"
+msgstr "Gronidłowe wobkšuśenje"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Zapódajśo to samske gronidło, za pśespytanje."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Grube gronidła se njeskładuju, togodla njejo móžno, gronidło wužywarja "
+"wiźeś, ale móžośo gronidło z pomocu <a href=\"{}\">toś togo formulara</a> "
+"změniś."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Pšosym zapódajśo pšawe %(username)s a gronidło. Źiwajśo na to, až wobej póli "
+"móžotej mjazy wjeliko- a małopisanim rozeznawaś."
+
+msgid "This account is inactive."
+msgstr "Toś to konto jo inaktiwne."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Nowe gronidło"
+
+msgid "New password confirmation"
+msgstr "Wobkšuśenje nowego gronidła"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Wašo stare gronidło jo se wopak zapódało. Pšosym zapódajśo jo hyšći raz."
+
+msgid "Old password"
+msgstr "Stare gronidło"
+
+msgid "Password (again)"
+msgstr "Gronidło (znowego)"
+
+msgid "algorithm"
+msgstr "algoritmus"
+
+msgid "iterations"
+msgstr "wóspjetowanja"
+
+msgid "salt"
+msgstr "sol"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "warianta"
+
+msgid "version"
+msgstr "wersija"
+
+msgid "memory cost"
+msgstr "składowa pśetrjeba"
+
+msgid "time cost"
+msgstr "casowa pśetrjeba"
+
+msgid "parallelism"
+msgstr "paralelizm"
+
+msgid "work factor"
+msgstr "źěłowy faktor"
+
+msgid "checksum"
+msgstr "kontrolna suma"
+
+msgid "block size"
+msgstr "blokowa wjelikosć"
+
+msgid "name"
+msgstr "mě"
+
+msgid "content type"
+msgstr "wopśimjeśowy typ"
+
+msgid "codename"
+msgstr "kodowe mě"
+
+msgid "permission"
+msgstr "pšawo"
+
+msgid "permissions"
+msgstr "pšawa"
+
+msgid "group"
+msgstr "kupka"
+
+msgid "groups"
+msgstr "kupki"
+
+msgid "superuser status"
+msgstr "status superwužywarja"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Wóznamjenijo, lěc toś ten wužywaŕ ma wšykne pšawa bźez togo, aby mógał je "
+"pśipokazaś."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Kupki, ku kótarymž toś ten wužywaŕ słuša. Wužywaŕ dóstanjo wšykne pšawa, "
+"kótarež jomu kupki dawaju."
+
+msgid "user permissions"
+msgstr "wužywarske pšawa"
+
+msgid "Specific permissions for this user."
+msgstr "Wěste pšawa za toś togo wužywarja."
+
+msgid "username"
+msgstr "wužywarske mě"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Trěbne. 150 znamuškow abo mjenjej. Jano pismiki, cyfry a @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Wužywaŕ z toś tym wužywarskim mjenim južo eksistěrujo."
+
+msgid "first name"
+msgstr "pśedmě"
+
+msgid "last name"
+msgstr "familijowe mě"
+
+msgid "email address"
+msgstr "e-mailowa adresa"
+
+msgid "staff status"
+msgstr "personalny status"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Wóznamjenijo, lěc wužywaŕ móžo se pla administratorowego sedła pśizjawiś."
+
+msgid "active"
+msgstr "aktiwny"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Wóznamjenijo, lěc deje z toś tym wužywarjom ako z aktiwnym wobchadás. "
+"Znjemóžniśo to město togo, aby konta wulašował."
+
+msgid "date joined"
+msgstr "cłonk wót"
+
+msgid "user"
+msgstr "wužywaŕ"
+
+msgid "users"
+msgstr "wužywarje"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Toś to gronidło jo pśekrotke. Musy nanejmjenjej %(min_length)d znamuško "
+"wopśimowaś."
+msgstr[1] ""
+"Toś to gronidło jo pśekrotke. Musy nanejmjenjej %(min_length)d znamušce "
+"wopśimowaś."
+msgstr[2] ""
+"Toś to gronidło jo pśekrotke. Musy nanejmjenjej %(min_length)d znamuška "
+"wopśimowaś."
+msgstr[3] ""
+"Toś to gronidło jo pśekrotke. Musy nanejmjenjej %(min_length)d znamuškow "
+"wopśimowaś."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Wašo gronidło musy nanejmjenjej %(min_length)d znamuško wopśimowaś."
+msgstr[1] "Wašo gronidło musy nanejmjenjej %(min_length)d znamušce wopśimowaś."
+msgstr[2] "Wašo gronidło musy nanejmjenjej %(min_length)d znamuška wopśimowaś."
+msgstr[3] ""
+"Wašo gronidło musy nanejmjenjej %(min_length)d znamuškow wopśimowaś."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Gronidło jo na %(verbose_name)s pśepódobne."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Wašo gronidło njesmějo na waše druge wósobinske daty pśepódobne byś."
+
+msgid "This password is too common."
+msgstr "Toś to gronidło jo pśepowšykne."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Wašo gronidło njesmějo cesto wužywane gronidło byś."
+
+msgid "This password is entirely numeric."
+msgstr "Toś to gronidło jo cele numeriske."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Wašo gronidło njesmějo cele numeriske byś."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Slědkstajenje gronidła na %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Zapódajśo płaśiwe wužywaŕske mě. Toś ta gódnota smějo jano małomismiki a-z a "
+"wjelikopismiki A-Z bźez diakritiskich znamuškow, licby a znamuška @/./+/-/_  "
+"wopśimowaś."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Zapódajśo płaśiwe wužywarske mě. Toś ta gódnota smějo jano pismiki, licby a "
+"znamuška @/./+/-/_ wopśimowaś."
+
+msgid "Logged out"
+msgstr "Wótzjawjony"
+
+msgid "Password reset"
+msgstr "Slědkstajenje gronidła"
+
+msgid "Password reset sent"
+msgstr "Slědkstajenje gronidła wótpósłane"
+
+msgid "Enter new password"
+msgstr "Zapódajśo nowe gronidło"
+
+msgid "Password reset unsuccessful"
+msgstr "Slědkstajenje gronidła njejo se raźiło"
+
+msgid "Password reset complete"
+msgstr "Slědkstajenje gronidła dokóńcone"
+
+msgid "Password change"
+msgstr "Změnjenje gronidła"
+
+msgid "Password change successful"
+msgstr "Gronidło jo se wuspěšnje změniło"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9d25fe61
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f74a71f7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,320 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Apostolis Bessas <mpessas+txc@transifex.com>, 2013
+# Claude Paroz <claude@2xlibre.net>, 2017
+# Dimitris Glezos <glezos@transifex.com>, 2011-2012
+# Giannis Meletakis <meletakis@gmail.com>, 2015
+# glogiotatidis <seadog@sealabs.net>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nick Mavrakis <mavrakis.n@gmail.com>, 2018
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+# Pãnoș <panos.laganakos@gmail.com>, 2016
+# Serafeim Papastefanos <spapas@gmail.com>, 2021
+# Yorgos Pagles <y.pagles@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-09-22 09:22+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Προσωπικές πληροφορίες"
+
+msgid "Permissions"
+msgstr "Δικαιώματα"
+
+msgid "Important dates"
+msgstr "Σημαντικές ημερομηνίες"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Το αντικείμενο %(name)s με πρωτεύον κλειδί %(key)r δεν υπάρχει."
+
+msgid "Password changed successfully."
+msgstr "Το συνθηματικό αλλάχτηκε με επιτυχία."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Αλλαγή συνθηματικού: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Πιστοποίηση και Εξουσιοδότηση"
+
+msgid "password"
+msgstr "συνθηματικό"
+
+msgid "last login"
+msgstr "τελευταία σύνδεση"
+
+msgid "No password set."
+msgstr "Δεν έχει τεθεί συνθηματικό."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Μη έγκυρη μορφή συνθηματικού ή άγνωστος αλγόριθμος hashing."
+
+msgid "The two password fields didn’t match."
+msgstr "Τα δύο πεδία κωδικών δεν ταιριάζουν."
+
+msgid "Password"
+msgstr "Συνθηματικό"
+
+msgid "Password confirmation"
+msgstr "Επιβεβαίωση συνθηματικού"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Εισάγετε το ίδιο συνθηματικό όπως πρίν, για επιβεβαίωση."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Οι ακατέργαστοι κωδικοί δεν αποθηκεύονται, οπότε δεν υπάρχει τρόπος να δείτε "
+"τον κωδικό αυτού του χρήστη, αλλά μπορείτε να τον αλλάξετε χρησιμοποιώντας "
+"<a href=\"{}\">αυτή τη φόρμα</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Παρακαλώ εισάγετε ένα σωστό %(username)s και κωδικό. Σημειωτέον ότι και τα "
+"δύο πεδία κάνουν διάκριση μεταξύ πεζών-κεφαλαίων."
+
+msgid "This account is inactive."
+msgstr "Αυτός ο λογαριασμός είναι ανενεργός."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Νέο συνθηματικό"
+
+msgid "New password confirmation"
+msgstr "Επιβεβαίωση νέου συνθηματικού"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Το παλιό συνθηματικό σας δόθηκε λανθασμένα. Παρακαλώ δοκιμάστε ξανά."
+
+msgid "Old password"
+msgstr "Παλιό συνθηματικό"
+
+msgid "Password (again)"
+msgstr "Συνθηματικό (ξανά)"
+
+msgid "algorithm"
+msgstr "αλγόριθμος"
+
+msgid "iterations"
+msgstr "Επαναλήψεις"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "ποικιλία"
+
+msgid "version"
+msgstr "έκδοση"
+
+msgid "memory cost"
+msgstr "κόστος μνήμης"
+
+msgid "time cost"
+msgstr "χρονικό κόστος"
+
+msgid "parallelism"
+msgstr "παραλληλισμός"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr ""
+
+msgid "name"
+msgstr "όνομα"
+
+msgid "content type"
+msgstr "τύπος περιεχομένου"
+
+msgid "codename"
+msgstr "κωδικό όνομα"
+
+msgid "permission"
+msgstr "δικαίωμα"
+
+msgid "permissions"
+msgstr "διακαιώματα"
+
+msgid "group"
+msgstr "ομάδα"
+
+msgid "groups"
+msgstr "ομάδες"
+
+msgid "superuser status"
+msgstr "κατάσταση υπερχρήστη"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Υποδηλώνει ότι ο συγκεκριμένος χρήστης έχει όλα τα δικαιώματα χωρίς να "
+"χρειάζεται να τα παραχωρήσετε ξεχωριστά."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Οι ομάδες που ανοίκει ο χρήστης. Ένας χρήστης θα έχει όλες τις άδειες που "
+"έχουν δωθεί  σε κάθε μια από τις ομάδες."
+
+msgid "user permissions"
+msgstr "δικαιώματα χρήστη"
+
+msgid "Specific permissions for this user."
+msgstr "Συγκεκριμένα δικαιώματα για αυτόν τον χρήστη."
+
+msgid "username"
+msgstr "όνομα χρήστη"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Απαραίτητο. 150 ή λιγότερους χαρακτήρες. Μόνο γράμματα, ψηφία και @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Υπάρχει ήδη ένας χρήστης με αυτό το όνομα."
+
+msgid "first name"
+msgstr "όνομα"
+
+msgid "last name"
+msgstr "επώνυμο"
+
+msgid "email address"
+msgstr "διεύθυνση email"
+
+msgid "staff status"
+msgstr "Κατάσταση προσωπικού"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Ορίζει αν ο χρήστης μπορεί να συνδεθεί στο χώρο διαχείρισης."
+
+msgid "active"
+msgstr "ενεργό"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Υποδηλώνει αν ο συγκεκριμένος χρήστης μπορεί να θεωρηθεί ενεργός. Προτιμήστε "
+"την επεπιλογή αυτής της επιλογής αντί του να πραγματοποιήσετε διαγραφή του "
+"χρήστη."
+
+msgid "date joined"
+msgstr "ημερομηνία ένταξης"
+
+msgid "user"
+msgstr "χρήστης"
+
+msgid "users"
+msgstr "χρήστες"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Αυτό το συνθηματικό είναι πολύ μικρό. Πρέπει να περιέχει τουλάχιστον "
+"%(min_length)d χαρακτήρα."
+msgstr[1] ""
+"Αυτό το συνθηματικό είναι πολύ μικρό. Πρέπει να περιέχει τουλάχιστον "
+"%(min_length)d χαρακτήρες."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"Το συνθηματικό σας πρέπει να έχει τουλάχιστον %(min_length)d χαρακτήρα."
+msgstr[1] ""
+"Το συνθηματικό σας πρέπει να έχει τουλάχιστον %(min_length)d χαρακτήρες."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Το συνθηματικό μοιάζει πολύ με το %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Ο κωδικός σας δεν μπορεί να μοιάζει τόσο με τα άλλα προσωπικά σας στοιχεία."
+
+msgid "This password is too common."
+msgstr "Πολύ κοινό συνθηματικό."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Ο κωδικός σας δεν μπορεί να είναι τόσο συνηθισμένος."
+
+msgid "This password is entirely numeric."
+msgstr "Αυτό το συνθηματικό αποτελείται μόνο απο αριθμούς."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Ο κωδικός σας δε μπορεί να αποτελείται μόνον από αριθμούς."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Επαναφορά συνθηματικού για το %(site_name)s "
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Εισάγετε ένα έγκυρο όνομα χρήστη. Θα πρέπει να περιέχει μόνο Αγγλικούς "
+"χαρακτήρες, αριθμούς και τους χαρακτήρες @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Εισάγετε ένα έγκυρο όνομα χρήστη. Θα πρέπει να περιέχει μόνο γράμματα, "
+"αριθμούς και τους χαρακτήρες @/./+/-/_ characters."
+
+msgid "Logged out"
+msgstr "Έγινε αποσύνδεση"
+
+msgid "Password reset"
+msgstr "Επαναφορά συνθηματικού"
+
+msgid "Password reset sent"
+msgstr "Η επαναφορά συνθηματικού εστάλει"
+
+msgid "Enter new password"
+msgstr "Εισάγετε νεό συνθηματικό"
+
+msgid "Password reset unsuccessful"
+msgstr "Ανεπιτυχής επαναφορά κωδικού"
+
+msgid "Password reset complete"
+msgstr "Ολοκλήρωση επαναφοράς συνθηματικού"
+
+msgid "Password change"
+msgstr "Αλλαγή συνθηματικού"
+
+msgid "Password change successful"
+msgstr "Επιτυχής αλλαγή συνθηματικού"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8b15915f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,375 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: contrib/auth/admin.py:49
+msgid "Personal info"
+msgstr ""
+
+#: contrib/auth/admin.py:51
+msgid "Permissions"
+msgstr ""
+
+#: contrib/auth/admin.py:62
+msgid "Important dates"
+msgstr ""
+
+#: contrib/auth/admin.py:156
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+#: contrib/auth/admin.py:168
+msgid "Password changed successfully."
+msgstr ""
+
+#: contrib/auth/admin.py:189
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+#: contrib/auth/apps.py:16
+msgid "Authentication and Authorization"
+msgstr ""
+
+#: contrib/auth/base_user.py:58
+msgid "password"
+msgstr ""
+
+#: contrib/auth/base_user.py:59
+msgid "last login"
+msgstr ""
+
+#: contrib/auth/forms.py:41
+msgid "No password set."
+msgstr ""
+
+#: contrib/auth/forms.py:49
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+#: contrib/auth/forms.py:91 contrib/auth/forms.py:379 contrib/auth/forms.py:457
+msgid "The two password fields didn’t match."
+msgstr ""
+
+#: contrib/auth/forms.py:94 contrib/auth/forms.py:166 contrib/auth/forms.py:201
+#: contrib/auth/forms.py:461
+msgid "Password"
+msgstr ""
+
+#: contrib/auth/forms.py:100
+msgid "Password confirmation"
+msgstr ""
+
+#: contrib/auth/forms.py:103 contrib/auth/forms.py:472
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+#: contrib/auth/forms.py:168
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#: contrib/auth/forms.py:208
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+#: contrib/auth/forms.py:211
+msgid "This account is inactive."
+msgstr ""
+
+#: contrib/auth/forms.py:276
+msgid "Email"
+msgstr ""
+
+#: contrib/auth/forms.py:382
+msgid "New password"
+msgstr ""
+
+#: contrib/auth/forms.py:388
+msgid "New password confirmation"
+msgstr ""
+
+#: contrib/auth/forms.py:425
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+#: contrib/auth/forms.py:429
+msgid "Old password"
+msgstr ""
+
+#: contrib/auth/forms.py:469
+msgid "Password (again)"
+msgstr ""
+
+#: contrib/auth/hashers.py:327 contrib/auth/hashers.py:420
+#: contrib/auth/hashers.py:510 contrib/auth/hashers.py:605
+#: contrib/auth/hashers.py:665 contrib/auth/hashers.py:707
+#: contrib/auth/hashers.py:765 contrib/auth/hashers.py:820
+#: contrib/auth/hashers.py:878
+msgid "algorithm"
+msgstr ""
+
+#: contrib/auth/hashers.py:328
+msgid "iterations"
+msgstr ""
+
+#: contrib/auth/hashers.py:329 contrib/auth/hashers.py:426
+#: contrib/auth/hashers.py:512 contrib/auth/hashers.py:609
+#: contrib/auth/hashers.py:666 contrib/auth/hashers.py:708
+#: contrib/auth/hashers.py:879
+msgid "salt"
+msgstr ""
+
+#: contrib/auth/hashers.py:330 contrib/auth/hashers.py:427
+#: contrib/auth/hashers.py:610 contrib/auth/hashers.py:667
+#: contrib/auth/hashers.py:709 contrib/auth/hashers.py:766
+#: contrib/auth/hashers.py:821 contrib/auth/hashers.py:880
+msgid "hash"
+msgstr ""
+
+#: contrib/auth/hashers.py:421
+msgid "variety"
+msgstr ""
+
+#: contrib/auth/hashers.py:422
+msgid "version"
+msgstr ""
+
+#: contrib/auth/hashers.py:423
+msgid "memory cost"
+msgstr ""
+
+#: contrib/auth/hashers.py:424
+msgid "time cost"
+msgstr ""
+
+#: contrib/auth/hashers.py:425 contrib/auth/hashers.py:608
+msgid "parallelism"
+msgstr ""
+
+#: contrib/auth/hashers.py:511 contrib/auth/hashers.py:606
+msgid "work factor"
+msgstr ""
+
+#: contrib/auth/hashers.py:513
+msgid "checksum"
+msgstr ""
+
+#: contrib/auth/hashers.py:607
+msgid "block size"
+msgstr ""
+
+#: contrib/auth/models.py:62 contrib/auth/models.py:116
+msgid "name"
+msgstr ""
+
+#: contrib/auth/models.py:66
+msgid "content type"
+msgstr ""
+
+#: contrib/auth/models.py:68
+msgid "codename"
+msgstr ""
+
+#: contrib/auth/models.py:73
+msgid "permission"
+msgstr ""
+
+#: contrib/auth/models.py:74 contrib/auth/models.py:119
+msgid "permissions"
+msgstr ""
+
+#: contrib/auth/models.py:126
+msgid "group"
+msgstr ""
+
+#: contrib/auth/models.py:127 contrib/auth/models.py:258
+msgid "groups"
+msgstr ""
+
+#: contrib/auth/models.py:249
+msgid "superuser status"
+msgstr ""
+
+#: contrib/auth/models.py:252
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+#: contrib/auth/models.py:261
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+#: contrib/auth/models.py:269
+msgid "user permissions"
+msgstr ""
+
+#: contrib/auth/models.py:271
+msgid "Specific permissions for this user."
+msgstr ""
+
+#: contrib/auth/models.py:345
+msgid "username"
+msgstr ""
+
+#: contrib/auth/models.py:349
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+#: contrib/auth/models.py:353
+msgid "A user with that username already exists."
+msgstr ""
+
+#: contrib/auth/models.py:356
+msgid "first name"
+msgstr ""
+
+#: contrib/auth/models.py:357
+msgid "last name"
+msgstr ""
+
+#: contrib/auth/models.py:358
+msgid "email address"
+msgstr ""
+
+#: contrib/auth/models.py:360
+msgid "staff status"
+msgstr ""
+
+#: contrib/auth/models.py:362
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+#: contrib/auth/models.py:365
+msgid "active"
+msgstr ""
+
+#: contrib/auth/models.py:368
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+#: contrib/auth/models.py:372
+msgid "date joined"
+msgstr ""
+
+#: contrib/auth/models.py:381
+msgid "user"
+msgstr ""
+
+#: contrib/auth/models.py:382
+msgid "users"
+msgstr ""
+
+#: contrib/auth/password_validation.py:111
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/auth/password_validation.py:123
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/auth/password_validation.py:206
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+#: contrib/auth/password_validation.py:213
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+
+#: contrib/auth/password_validation.py:245
+msgid "This password is too common."
+msgstr ""
+
+#: contrib/auth/password_validation.py:250
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+
+#: contrib/auth/password_validation.py:261
+msgid "This password is entirely numeric."
+msgstr ""
+
+#: contrib/auth/password_validation.py:266
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+
+#: contrib/auth/templates/registration/password_reset_subject.txt:2
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+#: contrib/auth/validators.py:12
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+
+#: contrib/auth/validators.py:22
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+#: contrib/auth/views.py:178
+msgid "Logged out"
+msgstr ""
+
+#: contrib/auth/views.py:237
+msgid "Password reset"
+msgstr ""
+
+#: contrib/auth/views.py:264
+msgid "Password reset sent"
+msgstr ""
+
+#: contrib/auth/views.py:274
+msgid "Enter new password"
+msgstr ""
+
+#: contrib/auth/views.py:346
+msgid "Password reset unsuccessful"
+msgstr ""
+
+#: contrib/auth/views.py:355
+msgid "Password reset complete"
+msgstr ""
+
+#: contrib/auth/views.py:367
+msgid "Password change"
+msgstr ""
+
+#: contrib/auth/views.py:390
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bdd8328d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ba933b79
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,306 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Tom Fifield <tom@tomfifield.net>, 2014
+# Tom Fifield <tom@tomfifield.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-09-22 09:22+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/django/django/"
+"language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Personal info"
+
+msgid "Permissions"
+msgstr "Permissions"
+
+msgid "Important dates"
+msgstr "Important dates"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s object with primary key %(key)r does not exist."
+
+msgid "Password changed successfully."
+msgstr "Password changed successfully."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Change password: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Authentication and Authorisation"
+
+msgid "password"
+msgstr "password"
+
+msgid "last login"
+msgstr "last login"
+
+msgid "No password set."
+msgstr "No password set."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Invalid password format or unknown hashing algorithm."
+
+msgid "The two password fields didn’t match."
+msgstr "The two password fields didn’t match."
+
+msgid "Password"
+msgstr "Password"
+
+msgid "Password confirmation"
+msgstr "Password confirmation"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Enter the same password as before, for verification."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+
+msgid "This account is inactive."
+msgstr "This account is inactive."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "New password"
+
+msgid "New password confirmation"
+msgstr "New password confirmation"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Your old password was entered incorrectly. Please enter it again."
+
+msgid "Old password"
+msgstr "Old password"
+
+msgid "Password (again)"
+msgstr "Password (again)"
+
+msgid "algorithm"
+msgstr "algorithm"
+
+msgid "iterations"
+msgstr "iterations"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variety"
+
+msgid "version"
+msgstr "version"
+
+msgid "memory cost"
+msgstr "memory cost"
+
+msgid "time cost"
+msgstr "time cost"
+
+msgid "parallelism"
+msgstr "parallelism"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr ""
+
+msgid "name"
+msgstr "name"
+
+msgid "content type"
+msgstr "content type"
+
+msgid "codename"
+msgstr "codename"
+
+msgid "permission"
+msgstr "permission"
+
+msgid "permissions"
+msgstr "permissions"
+
+msgid "group"
+msgstr "group"
+
+msgid "groups"
+msgstr "groups"
+
+msgid "superuser status"
+msgstr "superuser status"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+
+msgid "user permissions"
+msgstr "user permissions"
+
+msgid "Specific permissions for this user."
+msgstr "Specific permissions for this user."
+
+msgid "username"
+msgstr "username"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+
+msgid "A user with that username already exists."
+msgstr "A user with that username already exists."
+
+msgid "first name"
+msgstr "first name"
+
+msgid "last name"
+msgstr "last name"
+
+msgid "email address"
+msgstr "email address"
+
+msgid "staff status"
+msgstr "staff status"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Designates whether the user can log into this admin site."
+
+msgid "active"
+msgstr "active"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+
+msgid "date joined"
+msgstr "date joined"
+
+msgid "user"
+msgstr "user"
+
+msgid "users"
+msgstr "users"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgstr[1] ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Your password must contain at least %(min_length)d character."
+msgstr[1] "Your password must contain at least %(min_length)d characters."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "The password is too similar to the %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Your password can’t be too similar to your other personal information."
+
+msgid "This password is too common."
+msgstr "This password is too common."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Your password can’t be a commonly used password."
+
+msgid "This password is entirely numeric."
+msgstr "This password is entirely numeric."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Your password can’t be entirely numeric."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Password reset on %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+
+msgid "Logged out"
+msgstr "Logged out"
+
+msgid "Password reset"
+msgstr "Password reset"
+
+msgid "Password reset sent"
+msgstr "Password reset sent"
+
+msgid "Enter new password"
+msgstr "Enter new password"
+
+msgid "Password reset unsuccessful"
+msgstr "Password reset unsuccessful"
+
+msgid "Password reset complete"
+msgstr "Password reset complete"
+
+msgid "Password change"
+msgstr "Password change"
+
+msgid "Password change successful"
+msgstr "Password change successful"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..59ed2770
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a374f29b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,289 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# jon_atkinson <jon@jonatkinson.co.uk>, 2011-2012
+# Ross Poulton <ross@rossp.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Personal info"
+
+msgid "Permissions"
+msgstr "Permissions"
+
+msgid "Important dates"
+msgstr "Important dates"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Password changed successfully."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Change password: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "password"
+
+msgid "last login"
+msgstr "last login"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr "The two password fields didn't match."
+
+msgid "Password"
+msgstr "Password"
+
+msgid "Password confirmation"
+msgstr "Password confirmation"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "This account is inactive."
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "New password"
+
+msgid "New password confirmation"
+msgstr "New password confirmation"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Your old password was entered incorrectly. Please enter it again."
+
+msgid "Old password"
+msgstr "Old password"
+
+msgid "Password (again)"
+msgstr "Password (again)"
+
+msgid "algorithm"
+msgstr "algorithm"
+
+msgid "iterations"
+msgstr "iterations"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "name"
+msgstr "name"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "codename"
+
+msgid "permission"
+msgstr "permission"
+
+msgid "permissions"
+msgstr "permissions"
+
+msgid "group"
+msgstr "group"
+
+msgid "groups"
+msgstr "groups"
+
+msgid "superuser status"
+msgstr "superuser status"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "user permissions"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "username"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "A user with that username already exists."
+
+msgid "first name"
+msgstr "first name"
+
+msgid "last name"
+msgstr "last name"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr "staff status"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Designates whether the user can log into this admin site."
+
+msgid "active"
+msgstr "active"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+
+msgid "date joined"
+msgstr "date joined"
+
+msgid "user"
+msgstr "user"
+
+msgid "users"
+msgstr "users"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Password reset on %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Logged out"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5fe6729a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..82a84ad8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,310 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2012-2013
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2013-2019
+# Matthieu Desplantes <matmututu@gmail.com>, 2021
+# Meiyer <interdist+translations@gmail.com>, 2022
+# Robin van der Vliet <info@robinvandervliet.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2022-04-25 08:09+0000\n"
+"Last-Translator: Meiyer <interdist+translations@gmail.com>, 2022\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Personaj informoj"
+
+msgid "Permissions"
+msgstr "Permesoj"
+
+msgid "Important dates"
+msgstr "Gravaj datoj"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Objekto %(name)skun ĉefŝlosilo %(key)r ne ekzistas."
+
+msgid "Password changed successfully."
+msgstr "Pasvorto suksese ŝanĝita."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Ŝanĝi pasvorton: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Aŭtentigo kaj rajtigo"
+
+msgid "password"
+msgstr "pasvorto"
+
+msgid "last login"
+msgstr "lasta ensaluto"
+
+msgid "No password set."
+msgstr "Neniu pasvorto agordita."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Nevalida pasvorta formato, aŭ nekonata haketa algoritmo."
+
+msgid "The two password fields didn’t match."
+msgstr "La du pasvortaj kampoj ne kongruas."
+
+msgid "Password"
+msgstr "Pasvorto"
+
+msgid "Password confirmation"
+msgstr "Pasvorta konfirmo"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Entajpu la saman pasvorton kiel supre, por konfirmo."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"La pasvortoj ne estas konservitaj en klara formo, do ne eblas vidi la "
+"pasvorton de ĉi tiu uzanto, sed vi povas ŝanĝi la pasvorton per <a "
+"href=\"{}\">ĉi tiu formularo</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Bonvolu enigi ĝustan %(username)sn kaj pasvorton. Notu, ke ambaŭ kampoj "
+"povas esti usklecodistingaj."
+
+msgid "This account is inactive."
+msgstr "Ĉi tiu konto ne estas aktiva."
+
+msgid "Email"
+msgstr "Retpoŝto"
+
+msgid "New password"
+msgstr "Nova pasvorto"
+
+msgid "New password confirmation"
+msgstr "Nova pasvorto por konfirmo"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Via malnova pasvorto estis tajpita malĝuste. Bonvolu denove entajpi ĝin."
+
+msgid "Old password"
+msgstr "Malnova pasvorto"
+
+msgid "Password (again)"
+msgstr "Pasvorto (denove)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iteracioj"
+
+msgid "salt"
+msgstr "salo"
+
+msgid "hash"
+msgstr "haketo"
+
+msgid "variety"
+msgstr "diverseco"
+
+msgid "version"
+msgstr "versio"
+
+msgid "memory cost"
+msgstr "memor-kosto"
+
+msgid "time cost"
+msgstr "tempo-kosto"
+
+msgid "parallelism"
+msgstr "paralelismo"
+
+msgid "work factor"
+msgstr "laborfaktoro"
+
+msgid "checksum"
+msgstr "kontrolsumo"
+
+msgid "block size"
+msgstr "blok-grandeco"
+
+msgid "name"
+msgstr "nomo"
+
+msgid "content type"
+msgstr "enhava tipo"
+
+msgid "codename"
+msgstr "kodnomo"
+
+msgid "permission"
+msgstr "permeso"
+
+msgid "permissions"
+msgstr "permesoj"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupoj"
+
+msgid "superuser status"
+msgstr "ĉefuzanta statuso"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indikas ke tiu ĉi uzanto havas ĉiujn permesojn, sen eksplicite atribui ilin."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"La grupoj al kiuj tiu ĉi uzanto apartenas. Uzanto akiros ĉiujn permesojn "
+"atribuitajn al ĉiu el tiuj grupoj."
+
+msgid "user permissions"
+msgstr "uzantaj permesoj"
+
+msgid "Specific permissions for this user."
+msgstr "Specifaj permesoj por tiu ĉi uzanto."
+
+msgid "username"
+msgstr "salutnomo"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Petita. 150 signoj aŭ malpli. Nur literoj, ciferoj kaj @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Uzanto kun sama salutnomo jam ekzistas."
+
+msgid "first name"
+msgstr "persona nomo"
+
+msgid "last name"
+msgstr "familia nomo"
+
+msgid "email address"
+msgstr "retpoŝta adreso"
+
+msgid "staff status"
+msgstr "personara statuso"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indikas ĉu la uzanto povas saluti en ĉi-tiu administranta retejo."
+
+msgid "active"
+msgstr "aktiva"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indikas ĉu la uzanto devus esti traktita kiel aktiva. Malmarku tion ĉi "
+"anstataŭ forigi kontojn."
+
+msgid "date joined"
+msgstr "dato de aliĝo"
+
+msgid "user"
+msgstr "uzanto"
+
+msgid "users"
+msgstr "uzantoj"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Tiu pasvorto estas tro mallonga. Ĝi devas enhavi almenaŭ %(min_length)d "
+"signon."
+msgstr[1] ""
+"Tiu pasvorto estas tro mallonga. Ĝi devas enhavi almenaŭ %(min_length)d "
+"signojn."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Via pasvorto devas enhavi almenaŭ %(min_length)d signon."
+msgstr[1] "Via pasvorto devas enhavi almenaŭ %(min_length)d signojn."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La pasvorto estas tro simila al la %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Via pasvorto ne povas esti tro simila al viaj aliaj personaj informoj."
+
+msgid "This password is too common."
+msgstr "Tiu pasvorto estas tro kutima."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Via pasvorto ne povas esti ofte uzata pasvorto."
+
+msgid "This password is entirely numeric."
+msgstr "Tiu ĉi pasvorto konsistas nur el ciferoj."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Via pasvorto ne povas konsisti nur el ciferoj."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Pasvorta rekomencigo ĉe %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Enigu salutnomon en ĝusta formo. Ĉi tiu valoro povas enhavi nur "
+"sensupersignajn literojn, ciferojn kaj la signojn @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Enigu salutnomon en ĝusta formo. Ĉi tiu valoro povas enhavi nur literojn, "
+"ciferojn kaj la signojn @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Adiaŭita"
+
+msgid "Password reset"
+msgstr "Restarigo de pasvorto"
+
+msgid "Password reset sent"
+msgstr "Restarigo de pasvorto sendita"
+
+msgid "Enter new password"
+msgstr "Enigu novan pasvorton"
+
+msgid "Password reset unsuccessful"
+msgstr "Restarigo de pasvorto malsukcesa"
+
+msgid "Password reset complete"
+msgstr "Restarigo de pasvorto plenumita"
+
+msgid "Password change"
+msgstr "Pasvorta ŝanĝo"
+
+msgid "Password change successful"
+msgstr "Pasvorto sukcese ŝanĝita"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..27db448d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f6d08755
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,326 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# albertoalcolea <albertoalcolea@gmail.com>, 2014
+# Antoni Aloy <aaloy@apsl.net>, 2012-2013,2015-2017
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2015-2016
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2020
+# Ernesto Rico Schmidt <ernesto@rico-schmidt.name>, 2017
+# guillem <serra.guillem@gmail.com>, 2012
+# Igor Támara <igor@tamarapatino.org>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Josue Naaman Nistal Guerra <josuenistal@hotmail.com>, 2014
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2011
+# Uriel Medina <urimeba511@gmail.com>, 2020-2021,2023
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>, 2020-2021,2023\n"
+"Language-Team: Spanish (http://app.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Información personal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Fechas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "el objeto %(name)s con clave primaria %(key)r no existe."
+
+msgid "Password changed successfully."
+msgstr "La contraseña se ha cambiado con éxito."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Cambiar contraseña: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticación y autorización"
+
+msgid "password"
+msgstr "contraseña"
+
+msgid "last login"
+msgstr "último inicio de sesión"
+
+msgid "No password set."
+msgstr "No se ha establecido la clave."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de clave incorrecto o algoritmo de hash desconocido."
+
+msgid "The two password fields didn’t match."
+msgstr "Los dos campos de contraseña no coinciden."
+
+msgid "Password"
+msgstr "Contraseña"
+
+msgid "Password confirmation"
+msgstr "Contraseña (confirmación)"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Para verificar, introduzca la misma contraseña anterior."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Las contraseñas no se almacenan en bruto, así que no hay manera de ver la "
+"contraseña del usuario, pero se puede cambiar la contraseña mediante <a "
+"href=\"{}\">este formulario</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor, introduzca un %(username)s y clave correctos. Observe que ambos "
+"campos pueden ser sensibles a mayúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta cuenta está inactiva."
+
+msgid "Email"
+msgstr "Correo electrónico"
+
+msgid "New password"
+msgstr "Contraseña nueva"
+
+msgid "New password confirmation"
+msgstr "Contraseña nueva (confirmación)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Su contraseña antigua es incorrecta. Por favor, vuelva a introducirla. "
+
+msgid "Old password"
+msgstr "Contraseña antigua"
+
+msgid "Password (again)"
+msgstr "Contraseña (de nuevo)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iteraciones"
+
+msgid "salt"
+msgstr "salto"
+
+msgid "hash"
+msgstr "función resumen"
+
+msgid "variety"
+msgstr "variedad"
+
+msgid "version"
+msgstr "versión"
+
+msgid "memory cost"
+msgstr "coste de memoria"
+
+msgid "time cost"
+msgstr "coste de tiempo"
+
+msgid "parallelism"
+msgstr "paralelismo"
+
+msgid "work factor"
+msgstr "factor trabajo"
+
+msgid "checksum"
+msgstr "suma de verificación"
+
+msgid "block size"
+msgstr "tamaño de bloque"
+
+msgid "name"
+msgstr "nombre"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "codename"
+msgstr "nombre en código"
+
+msgid "permission"
+msgstr "permiso"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "estado de superusuario"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que este usuario tiene todos los permisos sin asignárselos "
+"explícitamente."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Los grupos a los que pertenece este usuario. Un usuario tendrá todos los "
+"permisos asignados a cada uno de sus grupos."
+
+msgid "user permissions"
+msgstr "permisos de usuario"
+
+msgid "Specific permissions for this user."
+msgstr "Permisos específicos para este usuario."
+
+msgid "username"
+msgstr "nombre de usuario"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Requerido. 150 carácteres como máximo. Únicamente letras, dígitos y @/./+/-/"
+"_ "
+
+msgid "A user with that username already exists."
+msgstr "Ya existe un usuario con este nombre."
+
+msgid "first name"
+msgstr "nombre"
+
+msgid "last name"
+msgstr "apellidos"
+
+msgid "email address"
+msgstr "dirección de correo electrónico"
+
+msgid "staff status"
+msgstr "es staff"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica si el usuario puede entrar en este sitio de administración."
+
+msgid "active"
+msgstr "activo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indica si el usuario debe ser tratado como activo. Desmarque esta opción en "
+"lugar de borrar la cuenta."
+
+msgid "date joined"
+msgstr "fecha de alta"
+
+msgid "user"
+msgstr "usuario"
+
+msgid "users"
+msgstr "usuarios"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Esta contraseña es demasiado corta. Debe contener al menos %(min_length)d "
+"caracter."
+msgstr[1] ""
+"Esta contraseña es demasiado corta. Debe contener al menos %(min_length)d "
+"caracteres."
+msgstr[2] ""
+"Esta contraseña es demasiado corta. Debe contener al menos %(min_length)d "
+"caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Su contraseña debe contener al menos %(min_length)d caracter."
+msgstr[1] "Su contraseña debe contener al menos %(min_length)d caracteres."
+msgstr[2] "Su contraseña debe contener al menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La contraseña es demasiado similar a la de %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Su contraseña no puede asemejarse tanto a su otra información personal."
+
+msgid "This password is too common."
+msgstr "Esta contraseña es demasiado común."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Su contraseña no puede ser una clave utilizada comúnmente."
+
+msgid "This password is entirely numeric."
+msgstr "Esta contraseña es completamente numérica."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Su contraseña no puede ser completamente numérica."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Contraseña restablecida en %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Introduzca un nombre de usuario válido. Este valor solo puede contener "
+"letras mayúsculas y minúsculas de la A la Z (excepto las acentuadas), "
+"números y los caracteres @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Introduza un nombre de usuario válido. Este valor puede contener únicamente "
+"letras, números y los caracteres @/./+/-/_ "
+
+msgid "Logged out"
+msgstr "Sesión terminada"
+
+msgid "Password reset"
+msgstr "Restablecer contraseña"
+
+msgid "Password reset sent"
+msgstr "Restablecimiento de contraseña enviado"
+
+msgid "Enter new password"
+msgstr "Escriba la nueva contraseña"
+
+msgid "Password reset unsuccessful"
+msgstr "Restablecimiento de contraseñas fallido"
+
+msgid "Password reset complete"
+msgstr "Restablecimiento de contraseña completado"
+
+msgid "Password change"
+msgstr "Cambiar contraseña"
+
+msgid "Password change successful"
+msgstr "Contraseña cambiada correctamente"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d985402b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_AR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bd89b28f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,319 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2013-2017,2019,2021,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Ramiro Morales, 2013-2017,2019,2021,2023\n"
+"Language-Team: Spanish (Argentina) (http://app.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Información personal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Fechas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "No existe un objeto %(name)s con una clave primaria %(key)r."
+
+msgid "Password changed successfully."
+msgstr "Cambio de contraseña exitoso"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Cambiar contraseña: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticación y Autorización"
+
+msgid "password"
+msgstr "contraseña"
+
+msgid "last login"
+msgstr "último ingreso"
+
+msgid "No password set."
+msgstr "No se ha establecido una contraseña."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de contraseña inválido o algoritmo de hashing desconocido."
+
+msgid "The two password fields didn’t match."
+msgstr "Los dos campos de contraseñas no coinciden entre si."
+
+msgid "Password"
+msgstr "Contraseña"
+
+msgid "Password confirmation"
+msgstr "Confirmación de contraseña"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+"Introduzca la misma contraseña nuevamente, para poder verificar la misma."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"El sistema no almacena las contraseñas originales por lo cual no es posible "
+"visualizar la contraseña de este usuario, pero puede modificarla usando <a "
+"href=\"{}\">este formulario</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor introduzca un %(username)s y una contraseña correctos. Tenga en "
+"cuenta que ambos campos son sensibles a mayúsculas/minúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta cuenta está inactiva."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Contraseña nueva"
+
+msgid "New password confirmation"
+msgstr "Confirmación de contraseña nueva"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"La antigua contraseña introducida es incorrecta. Por favor introdúzcala "
+"nuevamente."
+
+msgid "Old password"
+msgstr "Contraseña antigua"
+
+msgid "Password (again)"
+msgstr "Contraseña (de nuevo)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iteraciones"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variedad"
+
+msgid "version"
+msgstr "versión"
+
+msgid "memory cost"
+msgstr "costo en memoria"
+
+msgid "time cost"
+msgstr "costo en tiempo"
+
+msgid "parallelism"
+msgstr "paralelismo"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "suma de verificación"
+
+msgid "block size"
+msgstr "tamaño de bloque"
+
+msgid "name"
+msgstr "nombre"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "codename"
+msgstr "nombre en código"
+
+msgid "permission"
+msgstr "permiso"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "es superusuario"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que este usuario posee todos los permisos sin que sea necesario "
+"asignarle los mismos en forma explícita."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupos a los cuales pertenece este usuario. Un usuario obtiene todos los "
+"permisos otorgados a cada uno de los grupos a los cuales pertenece."
+
+msgid "user permissions"
+msgstr "permisos de usuario"
+
+msgid "Specific permissions for this user."
+msgstr "Permisos específicos de este usuario"
+
+msgid "username"
+msgstr "nombre de usuario"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Obligatorio. Longitud máxima de 150 caracteres. Solo puede estar formado por "
+"letras, números y los caracteres @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Ya existe un usuario con ese nombre."
+
+msgid "first name"
+msgstr "nombre"
+
+msgid "last name"
+msgstr "apellido"
+
+msgid "email address"
+msgstr "Dirección de email"
+
+msgid "staff status"
+msgstr "es staff"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica si el usuario puede ingresar a este sitio de administración."
+
+msgid "active"
+msgstr "activo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indica si el usuario debe ser tratado como un usuario activo. Desactive este "
+"campo en lugar de eliminar usuarios."
+
+msgid "date joined"
+msgstr "fecha de creación"
+
+msgid "user"
+msgstr "usuario"
+
+msgid "users"
+msgstr "usuarios"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"La contraseña es demasiado corta. Debe contener por lo menos %(min_length)d "
+"caracter."
+msgstr[1] ""
+"La contraseña es demasiado corta. Debe contener por lo menos %(min_length)d "
+"caracteres."
+msgstr[2] ""
+"La contraseña es demasiado corta. Debe contener por lo menos %(min_length)d "
+"caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Su contraseña debe contener por lo menos %(min_length)d caracter."
+msgstr[1] "Su contraseña debe contener por lo menos %(min_length)d caracteres."
+msgstr[2] "Su contraseña debe contener por lo menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La contraseña es muy similar a %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Su contraseña no puede ser similar a otros componentes de su información "
+"personal."
+
+msgid "This password is too common."
+msgstr "La contraseña tiene un valor demasiado común."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Su contraseña no puede ser una contraseña usada muy comúnmente."
+
+msgid "This password is entirely numeric."
+msgstr "La contraseña está formada completamente por dígitos."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Su contraseña no puede estar formada exclusivamente por números."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Reinicio de contraseña en %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Introduzca un nombre de usuario válido. Este valor solo puede contener "
+"letras mayúsculas y minúsculas de la A la Z (excepto las acentuadas), "
+"números y los caracteres @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Introduzca un nombre de usuario válido. Este valor solo puede contener "
+"letras, números y los caracteres @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Sesión cerrada"
+
+msgid "Password reset"
+msgstr "Reinicio de contraseña"
+
+msgid "Password reset sent"
+msgstr "Se ha enviado un email de reinicialización de contraseña"
+
+msgid "Enter new password"
+msgstr "Introduzca nueva contraseña"
+
+msgid "Password reset unsuccessful"
+msgstr "Reinicio de contraseña fallido"
+
+msgid "Password reset complete"
+msgstr "Reinicio de contraseña completado"
+
+msgid "Password change"
+msgstr "Cambio de contraseña"
+
+msgid "Password change successful"
+msgstr "Cambio de contraseña exitoso"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..deb2dd16
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..46adfb25
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,304 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# albertoalcolea <albertoalcolea@gmail.com>, 2014
+# Ernesto Avilés Vázquez <whippiii@gmail.com>, 2015
+# guillem <serra.guillem@gmail.com>, 2012
+# Igor Támara <igor@tamarapatino.org>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Josue Naaman Nistal Guerra <josuenistal@hotmail.com>, 2014
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2011
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Información personal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Fechas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "el objeto %(name)s con clave primaria %(key)r no existe."
+
+msgid "Password changed successfully."
+msgstr "La contraseña se ha cambiado con éxito."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Cambiar contraseña: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticación y autorización"
+
+msgid "password"
+msgstr "contraseña"
+
+msgid "last login"
+msgstr "último inicio de sesión"
+
+msgid "No password set."
+msgstr "No se ha establecido la clave."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de clave incorrecto o algoritmo de hash desconocido."
+
+msgid "The two password fields didn't match."
+msgstr "Los dos campos de contraseña no coinciden."
+
+msgid "Password"
+msgstr "Contraseña"
+
+msgid "Password confirmation"
+msgstr "Contraseña (confirmación)"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Para verificar, ingrese la misma contraseña anterior."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor, introduzca un %(username)s y clave correctos. Observe que ambos "
+"campos pueden ser sensibles a mayúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta cuenta está inactiva."
+
+msgid "Email"
+msgstr "Correo electrónico"
+
+msgid "New password"
+msgstr "Contraseña nueva"
+
+msgid "New password confirmation"
+msgstr "Contraseña nueva (confirmación)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Su contraseña antigua es incorrecta. Por favor, vuelva a introducirla."
+
+msgid "Old password"
+msgstr "Contraseña antigua"
+
+msgid "Password (again)"
+msgstr "Contraseña (de nuevo)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iteraciones"
+
+msgid "salt"
+msgstr "sal"
+
+msgid "hash"
+msgstr "función resumen"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "factor trabajo"
+
+msgid "checksum"
+msgstr "suma de verificación"
+
+msgid "name"
+msgstr "nombre"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "codename"
+msgstr "nombre en código"
+
+msgid "permission"
+msgstr "permiso"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "es superusuario"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que este usuario tiene todos los permisos sin asignárselos "
+"explícitamente."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Los grupos a los que pertenece este usuario. Un usuario tendrá todos los "
+"permisos asignados a cada uno de sus grupos."
+
+msgid "user permissions"
+msgstr "permisos de usuario"
+
+msgid "Specific permissions for this user."
+msgstr "Permisos específicos para este usuario."
+
+msgid "username"
+msgstr "nombre de usuario"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Ya existe un usuario con este nombre."
+
+msgid "first name"
+msgstr "nombre"
+
+msgid "last name"
+msgstr "apellidos"
+
+msgid "email address"
+msgstr "dirección de correo electrónico"
+
+msgid "staff status"
+msgstr "es staff"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica si el usuario puede entrar en este sitio de administración."
+
+msgid "active"
+msgstr "activo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indica si el usuario debe ser tratado como activo. Desmarque esta opción en "
+"lugar de borrar la cuenta."
+
+msgid "date joined"
+msgstr "fecha de alta"
+
+msgid "user"
+msgstr "usuario"
+
+msgid "users"
+msgstr "usuarios"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Esta contraseña es demasiado corta. Debe contener al menos %(min_length)d "
+"carácter."
+msgstr[1] ""
+"Esta contraseña es demasiado corta. Debe contener al menos %(min_length)d "
+"caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Su contraseña debe contener por lo menos %(min_length)d carácter."
+msgstr[1] "Su contraseña debe contener por lo menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La contraseña es muy parecida a %(verbose_name)s."
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+"Su contraseña no puede asemejarse tanto a su otra información personal."
+
+msgid "This password is too common."
+msgstr "Esta contraseña es demasiado común."
+
+msgid "Your password can't be a commonly used password."
+msgstr "La contraseña no puede ser una contraseña de uso común."
+
+msgid "This password is entirely numeric."
+msgstr "Esta contraseña es completamente numérica."
+
+msgid "Your password can't be entirely numeric."
+msgstr "Su contraseña no puede ser completamente numérica."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Contraseña restablecida en %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Sesión terminada"
+
+msgid "Password reset"
+msgstr "Restablecer contraseña"
+
+msgid "Password reset sent"
+msgstr "Restablecimiento de contraseña enviado"
+
+msgid "Enter new password"
+msgstr "Escriba la nueva contraseña"
+
+msgid "Password reset unsuccessful"
+msgstr "Restablecimiento de contraseñas fallido"
+
+msgid "Password reset complete"
+msgstr "Restablecimiento de contraseña completado"
+
+msgid "Password change"
+msgstr "Cambiar contraseña"
+
+msgid "Password change successful"
+msgstr "Contraseña cambiada correctamente"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7cccb78e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..db9be6e5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,312 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abe Estrada, 2011-2012
+# Claude Paroz <claude@2xlibre.net>, 2017
+# Jesús Bautista <jesbam98@gmail.com>, 2019
+# Juan Pablo Flores <juanpflores94@gmail.com>, 2016
+# zodman <zodman@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-26 17:00+0000\n"
+"Last-Translator: Jesús Bautista <jesbam98@gmail.com>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Información personal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Fechas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "No existe un objeto %(name)s con una clave primaria %(key)r."
+
+msgid "Password changed successfully."
+msgstr "Cambio de contraseña exitoso"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Cambiar contraseña: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticación y Autorización"
+
+msgid "password"
+msgstr "contraseña"
+
+msgid "last login"
+msgstr "último ingreso"
+
+msgid "No password set."
+msgstr "No se ha establecido ninguna contraseña."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de contraseña no válido o algoritmo de hash desconocido."
+
+msgid "The two password fields didn’t match."
+msgstr "Los dos campos de contraseña no coinciden."
+
+msgid "Password"
+msgstr "Contraseña"
+
+msgid "Password confirmation"
+msgstr "Confirmación de contraseña"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Para verificar, introduzca la misma contraseña que introdujo antes."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Las contraseñas sin procesar no se almacenan, por lo que no hay forma de ver "
+"la contraseña de este usuario, pero puede cambiarla usando <a href="
+"\"{}\">este formulario</a>. "
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor introduzca %(username)s y contraseña correctos. Note que puede que "
+"ambos campos sean estrictos en relación a diferencias entre mayúsculas y "
+"minúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta cuenta está inactiva."
+
+msgid "Email"
+msgstr "Correo Electrónico"
+
+msgid "New password"
+msgstr "Contraseña nueva"
+
+msgid "New password confirmation"
+msgstr "Confirmación de contraseña nueva"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"La antigua contraseña introducida es incorrecta. Por favor introdúzcala "
+"nuevamente."
+
+msgid "Old password"
+msgstr "Contraseña antigua"
+
+msgid "Password (again)"
+msgstr "Contraseña (de nuevo)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "repeticiones"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variedad"
+
+msgid "version"
+msgstr "versión"
+
+msgid "memory cost"
+msgstr "costo en memoria"
+
+msgid "time cost"
+msgstr "costo en tiempo"
+
+msgid "parallelism"
+msgstr "Paralelismo"
+
+msgid "work factor"
+msgstr "factor trabajo"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "name"
+msgstr "nombre"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "codename"
+msgstr "nombre código"
+
+msgid "permission"
+msgstr "permiso"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "es superusuario"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que este usuario posee todos los permisos sin que sea necesario "
+"asignarle los mismos en forma explícita."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Los grupos a los que pertenece este usuario. Un usuario obtendrá todos los "
+"permisos concedidos para cada uno de su grupo."
+
+msgid "user permissions"
+msgstr "permisos de usuario"
+
+msgid "Specific permissions for this user."
+msgstr "Permisos específicos para este usuario"
+
+msgid "username"
+msgstr "nombre de usuario"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Obligatorio. Longitud máxima 150 caracteres alfanuméricos. Letras, dígitos y "
+"@/./+/-/_ únicamente."
+
+msgid "A user with that username already exists."
+msgstr "Ya existe un usuario con ese nombre."
+
+msgid "first name"
+msgstr "nombre"
+
+msgid "last name"
+msgstr "apellido"
+
+msgid "email address"
+msgstr "Dirección de correo electrónico"
+
+msgid "staff status"
+msgstr "es staff"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica si el usuario puede ingresar a este sitio de administración."
+
+msgid "active"
+msgstr "activo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indica si el usuario debe ser tratado como un usuario activo. Desactive este "
+"campo en lugar de eliminar usuarios."
+
+msgid "date joined"
+msgstr "fecha de creación"
+
+msgid "user"
+msgstr "usuario"
+
+msgid "users"
+msgstr "usuarios"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"La contraseña es muy corta. Debe contener al menos %(min_length)d caracter."
+msgstr[1] ""
+"La contraseña es muy corta. Debe contener al menos %(min_length)d caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"Tu contraseña es muy corta. Debe contener al menos %(min_length)d caracter."
+msgstr[1] ""
+"Su contraseña es muy corta. Debe contener al menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La contraseña es muy similar a  %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Su contraseña no puede ser muy similar a su otra información personal."
+
+msgid "This password is too common."
+msgstr "Esta contraseña es muy común."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Su contraseña no puede ser una contraseña de uso común."
+
+msgid "This password is entirely numeric."
+msgstr "Esta contraseña es totalmente numérica."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Su contraseña no puede ser completamente numérica."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Restablecimiento de la contraseña en %(site_name)s "
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Ingrese un nombre de usuario válido. Este sólo puede contener letras en "
+"inglés, números y caracteres @ /. / + / - / _."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Ingrese un nombre de usuario válido. Este puede contener sólo letras, "
+"números y caracteres @ /. / + / - / _."
+
+msgid "Logged out"
+msgstr "Sesión cerrada"
+
+msgid "Password reset"
+msgstr "Restablecer contraseña"
+
+msgid "Password reset sent"
+msgstr "Restablecimiento de contraseña enviado"
+
+msgid "Enter new password"
+msgstr "Introduzca la nueva contraseña"
+
+msgid "Password reset unsuccessful"
+msgstr "Restablecimiento de contraseña no exitosa"
+
+msgid "Password reset complete"
+msgstr "Reinicialización de contraseña completada"
+
+msgid "Password change"
+msgstr "Cambio de contraseña"
+
+msgid "Password change successful"
+msgstr "Cambio de contraseña exitoso"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..11f27e40
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_VE/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0e963c57
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,304 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eduardo <edos21@gmail.com>, 2017
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2016
+# Yoel Acevedo, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/django/django/"
+"language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Información personal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Fechas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "el objeto %(name)s con clave primaria %(key)r no existe."
+
+msgid "Password changed successfully."
+msgstr "La contraseña se ha cambiado con éxito."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Cambiar contraseña: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticación y autorización"
+
+msgid "password"
+msgstr "contraseña"
+
+msgid "last login"
+msgstr "último inicio de sesión"
+
+msgid "No password set."
+msgstr "No se ha establecido la clave."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de clave incorrecto o algoritmo de hash desconocido."
+
+msgid "The two password fields didn't match."
+msgstr "Los dos campos de contraseña no coinciden."
+
+msgid "Password"
+msgstr "Contraseña"
+
+msgid "Password confirmation"
+msgstr "Contraseña (confirmación)"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Para verificar, ingrese la misma contraseña anterior."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor, introduzca un %(username)s y clave correctos. Observe que ambos "
+"campos pueden ser sensibles a mayúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta cuenta está inactiva."
+
+msgid "Email"
+msgstr "Correo electrónico"
+
+msgid "New password"
+msgstr "Contraseña nueva"
+
+msgid "New password confirmation"
+msgstr "Contraseña nueva (confirmación)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Su contraseña antigua es incorrecta. Por favor, vuelva a introducirla."
+
+msgid "Old password"
+msgstr "Contraseña antigua"
+
+msgid "Password (again)"
+msgstr "Contraseña (de nuevo)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iteraciones"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "función resumen"
+
+msgid "variety"
+msgstr "variedad"
+
+msgid "version"
+msgstr "versión"
+
+msgid "memory cost"
+msgstr "costo de memoria"
+
+msgid "time cost"
+msgstr "costo de tiempo"
+
+msgid "parallelism"
+msgstr "paralelismo"
+
+msgid "work factor"
+msgstr "factor trabajo"
+
+msgid "checksum"
+msgstr "suma de verificación"
+
+msgid "name"
+msgstr "nombre"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "codename"
+msgstr "nombre en código"
+
+msgid "permission"
+msgstr "permiso"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "estatus de superusuario"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que este usuario tiene todos los permisos sin asignárselos "
+"explícitamente."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Los grupos a los que pertenece este usuario. Un usuario tendrá todos los "
+"permisos asignados a cada uno de sus grupos."
+
+msgid "user permissions"
+msgstr "permisos de usuario"
+
+msgid "Specific permissions for this user."
+msgstr "Permisos específicos para este usuario."
+
+msgid "username"
+msgstr "nombre de usuario"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Requerido. 150 caracteres o menos. Letras, dígitos y @/./+/-/_ solamente. "
+
+msgid "A user with that username already exists."
+msgstr "Ya existe un usuario con este nombre."
+
+msgid "first name"
+msgstr "nombre"
+
+msgid "last name"
+msgstr "apellidos"
+
+msgid "email address"
+msgstr "dirección de correo electrónico"
+
+msgid "staff status"
+msgstr "estatus staff"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica si el usuario puede entrar en este sitio de administración."
+
+msgid "active"
+msgstr "activo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indica si el usuario debe ser tratado como activo. Desmarque esta opción en "
+"lugar de borrar la cuenta."
+
+msgid "date joined"
+msgstr "fecha de alta"
+
+msgid "user"
+msgstr "usuario"
+
+msgid "users"
+msgstr "usuarios"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Esta contraseña es demasiado corta. Debe contener al menos %(min_length)d "
+"carácter."
+msgstr[1] ""
+"Esta contraseña es demasiado corta. Debe contener al menos %(min_length)d "
+"caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Su contraseña debe contener por lo menos %(min_length)d carácter."
+msgstr[1] "Su contraseña debe contener por lo menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La contraseña es muy parecida a %(verbose_name)s."
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+"Su contraseña no puede asemejarse tanto a su otra información personal."
+
+msgid "This password is too common."
+msgstr "Esta contraseña es demasiado común."
+
+msgid "Your password can't be a commonly used password."
+msgstr "La contraseña no puede ser una contraseña de uso común."
+
+msgid "This password is entirely numeric."
+msgstr "Esta contraseña es completamente numérica."
+
+msgid "Your password can't be entirely numeric."
+msgstr "Su contraseña no puede ser completamente numérica."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Contraseña restablecida en %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Introduzca un nombre de usuario válido. Este solo puede contener letras del "
+"alfabeto en ingles, números y los caracteres @/./+/-/_"
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Introduzca un nombre de usuario válido. Este solo puede contener letras, "
+"números y los caracteres @/./+/-/_"
+
+msgid "Logged out"
+msgstr "Sesión terminada"
+
+msgid "Password reset"
+msgstr "Restablecer contraseña"
+
+msgid "Password reset sent"
+msgstr "Restablecimiento de contraseña enviado"
+
+msgid "Enter new password"
+msgstr "Escriba la nueva contraseña"
+
+msgid "Password reset unsuccessful"
+msgstr "Restablecimiento de contraseñas fallido"
+
+msgid "Password reset complete"
+msgstr "Restablecimiento de contraseña completado"
+
+msgid "Password change"
+msgstr "Cambiar contraseña"
+
+msgid "Password change successful"
+msgstr "Contraseña cambiada correctamente"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3f13c02b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/et/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..604a407a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,309 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2013,2015
+# madisvain <madisvain@gmail.com>, 2011
+# Martin <martinpajuste@gmail.com>, 2015,2023
+# Martin <martinpajuste@gmail.com>, 2016-2017
+# Marti Raudsepp <marti@juffo.org>, 2014,2016
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Martin <martinpajuste@gmail.com>, 2015,2023\n"
+"Language-Team: Estonian (http://app.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Isiklikud andmd"
+
+msgid "Permissions"
+msgstr "Õigused"
+
+msgid "Important dates"
+msgstr "Tähtsad kuupäevad"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s objekt primaarvõtmega %(key)r ei eksisteeri."
+
+msgid "Password changed successfully."
+msgstr "Salasõna edukalt muudetud."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Muuda salasõna: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentimine ja Volitamine"
+
+msgid "password"
+msgstr "salasõna"
+
+msgid "last login"
+msgstr "viimane sisenemine"
+
+msgid "No password set."
+msgstr "Parool on määramata."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Lubamatu parooli formaat või tundmatu räsialgoritm."
+
+msgid "The two password fields didn’t match."
+msgstr "Sisestatud paroolid polnud identsed."
+
+msgid "Password"
+msgstr "Salasõna"
+
+msgid "Password confirmation"
+msgstr "Salasõna kinnitus"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+"Sisestage sama salasõna uuesti veendumaks, et sisestamisel ei tekkinud vigu"
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Salasõnu ei salvestata töötlemata kujul, seega puudub võimalus selle "
+"kasutaja salasõna nägemiseks, kuid saate seda muuta kasutades <a "
+"href=\"{}\">seda vormi</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Palun sisestage õige %(username)s ja parool. Teadke, et mõlemad väljad "
+"võivad olla tõstutundlikud."
+
+msgid "This account is inactive."
+msgstr "See konto ei ole aktiivne."
+
+msgid "Email"
+msgstr "E-post"
+
+msgid "New password"
+msgstr "Uus salasõna"
+
+msgid "New password confirmation"
+msgstr "Uue salasõna kinnitus"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Te sisestasite oma vana parooli vigaselt. Palun sisestage see uuesti."
+
+msgid "Old password"
+msgstr "Vana salasõna"
+
+msgid "Password (again)"
+msgstr "Salasõna (uuesti)"
+
+msgid "algorithm"
+msgstr "algoritm"
+
+msgid "iterations"
+msgstr "iteratsioone"
+
+msgid "salt"
+msgstr "sool"
+
+msgid "hash"
+msgstr "räsi"
+
+msgid "variety"
+msgstr "liik"
+
+msgid "version"
+msgstr "versioon"
+
+msgid "memory cost"
+msgstr "mälukasutus"
+
+msgid "time cost"
+msgstr "ajakulu"
+
+msgid "parallelism"
+msgstr "parallelism"
+
+msgid "work factor"
+msgstr "töötegur"
+
+msgid "checksum"
+msgstr "kontrollsumma"
+
+msgid "block size"
+msgstr "ploki pikkus"
+
+msgid "name"
+msgstr "nimi"
+
+msgid "content type"
+msgstr "sisutüüp"
+
+msgid "codename"
+msgstr "koodnimi"
+
+msgid "permission"
+msgstr "õigus"
+
+msgid "permissions"
+msgstr "õigused"
+
+msgid "group"
+msgstr "grupp"
+
+msgid "groups"
+msgstr "grupid"
+
+msgid "superuser status"
+msgstr "superkasutaja staatus"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Määrab, kas see kasutaja omab automaatselt ja alati kõiki õigus."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupid, millesse antud kasutaja kuulub. Kasutaja pärib kõik õigused, mis on "
+"määratud igale tema grupile."
+
+msgid "user permissions"
+msgstr "kasutajaõigused"
+
+msgid "Specific permissions for this user."
+msgstr "Spetsiaalsed õigused sellele kasutajale."
+
+msgid "username"
+msgstr "kasutajatunnus"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Nõutav. 150 märki või vähem. Ainult tähed, numbrid ja @/./+/-/_ tähemärgid."
+
+msgid "A user with that username already exists."
+msgstr "Sama kasutajatunnusega kasutaja on juba olemas."
+
+msgid "first name"
+msgstr "eesnimi"
+
+msgid "last name"
+msgstr "perenimi"
+
+msgid "email address"
+msgstr "e-posti aadress"
+
+msgid "staff status"
+msgstr "personalistaatus"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Määrab, kas kasutaja saab sisse logida sellesse admininistreerimisliidesesse."
+
+msgid "active"
+msgstr "aktiivne"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Määrab, kas see konto on aktiivne. Kustutamise asemel lihtsalt deaktiveerige "
+"konto."
+
+msgid "date joined"
+msgstr "liitumise kuupäev"
+
+msgid "user"
+msgstr "kasutaja"
+
+msgid "users"
+msgstr "kasutajad"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Salasõna on liiga lühike. Selles peab olema vähemalt %(min_length)d täht."
+msgstr[1] ""
+"Salasõna on liiga lühike. Selles peab olema vähemalt %(min_length)d tähte."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Salasõna peab sisaldama vähemalt %(min_length)d tähte."
+msgstr[1] "Salasõna peab sisaldama vähemalt %(min_length)d tähte."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Salasõna ja %(verbose_name)s on liiga sarnased."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Salasõna ei tohi olla liialt sarnane teie isiklike andmetega."
+
+msgid "This password is too common."
+msgstr "Salasõna on liiga teada-tuntud."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Salasõna ei tohi olla üks enimlevinud salasõnadest."
+
+msgid "This password is entirely numeric."
+msgstr "See salasõna koosneb ainult numbritest."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Salasõna ei tohi koosneda ainult numbritest."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Uue salasõna loomine saidil %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Sisesta korrektne kasutajatunnus. See väärtus võib sisaldada ainult tähti, "
+"numbreid ja @/./+/-/_ tähemärke."
+
+msgid "Logged out"
+msgstr "Välja logitud"
+
+msgid "Password reset"
+msgstr "Uue salasõna loomine"
+
+msgid "Password reset sent"
+msgstr "Salasõna lähtestamine saadetud"
+
+msgid "Enter new password"
+msgstr "Sisesta uus salasõna"
+
+msgid "Password reset unsuccessful"
+msgstr "Uue salasõna loomine ebaõnnestus"
+
+msgid "Password reset complete"
+msgstr "Uue salasõna loomine lõpetatud"
+
+msgid "Password change"
+msgstr "Salasõna muutmine"
+
+msgid "Password change successful"
+msgstr "Salasõna muutmine õnnestus"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..354c6bbc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..093ba2e8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,311 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aitzol Naberan <anaberan@codesyntax.com>, 2013
+# Eneko Illarramendi <eneko@illarra.com>, 2017,2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# julen, 2015
+# Urtzi Odriozola <urtzi.odriozola@gmail.com>, 2016-2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Eneko Illarramendi <eneko@illarra.com>, 2017,2023\n"
+"Language-Team: Basque (http://app.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Informazio pertsonala"
+
+msgid "Permissions"
+msgstr "Baimenak"
+
+msgid "Important dates"
+msgstr "Data garrantzitsuak"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Ez dago %(key)r gakodun %(name)s objekturik."
+
+msgid "Password changed successfully."
+msgstr "Ondo aldatu da pasahitza."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Pasahitza aldatu: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentikazio eta baimentzea"
+
+msgid "password"
+msgstr "pasahitza"
+
+msgid "last login"
+msgstr "azken sarrera"
+
+msgid "No password set."
+msgstr "Pasahitza ezarri gabe."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Pasahitz formatu baliogabea edo hash algoritmo ezezaguna."
+
+msgid "The two password fields didn’t match."
+msgstr "Bi pasahitzak ez datoz bat."
+
+msgid "Password"
+msgstr "Pasahitza"
+
+msgid "Password confirmation"
+msgstr "Pasahitza berretsi"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Idatzi aurreko pasahitz bera, egiaztapenerako."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Pasahitz gordinak ez direnez jasotzen ez dago erabiltzaile honen pasahitza "
+"ikusterik, baina pasahitza aldatu dezakezu <a href=\"{}\">hemen</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Mesedez idatzi %(username)s eta pasahitz egokiak. Maiskula eta minuskulak "
+"ondo bereiztu."
+
+msgid "This account is inactive."
+msgstr "Kontu hau az dago aktibo."
+
+msgid "Email"
+msgstr "Emaila"
+
+msgid "New password"
+msgstr "Pasahitz berria"
+
+msgid "New password confirmation"
+msgstr "Pasahitz berria berretsi"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Zure pasahitz zaharra ez da zuzena. Idatzi ezazu berriro."
+
+msgid "Old password"
+msgstr "Pasahitz zaharra"
+
+msgid "Password (again)"
+msgstr "Pasahitza (berriro)"
+
+msgid "algorithm"
+msgstr "algoritmoak"
+
+msgid "iterations"
+msgstr "iterazioak"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "aldaera"
+
+msgid "version"
+msgstr "bertsioa"
+
+msgid "memory cost"
+msgstr "memoria kostua"
+
+msgid "time cost"
+msgstr "denbora kostua"
+
+msgid "parallelism"
+msgstr "paralelismoa"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr "blokearen tamaina"
+
+msgid "name"
+msgstr "izena"
+
+msgid "content type"
+msgstr "eduki mota"
+
+msgid "codename"
+msgstr "kode izena"
+
+msgid "permission"
+msgstr "baimena"
+
+msgid "permissions"
+msgstr "baimenak"
+
+msgid "group"
+msgstr "taldea"
+
+msgid "groups"
+msgstr "taldeak"
+
+msgid "superuser status"
+msgstr "Erabiltzaile nagusia"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Erabiltzaileari baimen guztiak esleitzeko banan-banan aukeratu behar izan "
+"gabe."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Erabiltzailea zein taldetakoa den. Erabiltzaileak bere talde bakoitzari "
+"emandako baimen guztiak jasoko ditu."
+
+msgid "user permissions"
+msgstr "Erabiltzailearen baimenak"
+
+msgid "Specific permissions for this user."
+msgstr "Erabiltzaile honentzako baimenak."
+
+msgid "username"
+msgstr "erabiltzailea"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Beharrezkoa. 150 karaktere edo gutxiago. Hizki, zenbaki eta @/./+/-/_ "
+"bakarrik."
+
+msgid "A user with that username already exists."
+msgstr "Erabiltzaile izen hori ez dago eskuragarri."
+
+msgid "first name"
+msgstr "izena"
+
+msgid "last name"
+msgstr "abizena"
+
+msgid "email address"
+msgstr "helbide elektronikoa"
+
+msgid "staff status"
+msgstr "Arduradun egoera"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Erabiltzaileak kudeaketa gune honetan sartzeko baimena duen edo ez "
+"adierazten du."
+
+msgid "active"
+msgstr "Aktiboa"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Erabiltzaile bat aktibo gisa tratatu edo ez zehazten du. Ezgaitu hau kontuak "
+"ezabatu beharrean."
+
+msgid "date joined"
+msgstr "erregistro eguna"
+
+msgid "user"
+msgstr "erabiltzailea"
+
+msgid "users"
+msgstr "erabiltzaileak"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Pasahitz hau laburregia da. Gutxienez karaktere %(min_length)d izan behar du."
+msgstr[1] ""
+"Pasahitz hau laburregia da. Gutxienez %(min_length)d karaktere izan behar "
+"ditu."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Zure pasahitzak gutxienez karaktere %(min_length)d eduki behar du."
+msgstr[1] ""
+"Zure pasahitzak gutxienez %(min_length)d karaktere eduki behar ditu."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Zure pasahitza %(verbose_name)s-(r)en oso antzekoa da."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Zure pasahitzak ezin du zure beste informazio pertsonalaren antzekoegia izan."
+
+msgid "This password is too common."
+msgstr "Pasahitz hau arruntegia da."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Zure pasahitzak ezin du pasahitz arrunt bat izan."
+
+msgid "This password is entirely numeric."
+msgstr "Zure pasahitza osorik zenbakizkoa da."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Zure pasahitzak ezin du guztiz zenbakizkoa izan."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Pasahitza berrezarri %(site_name)s webgunean"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Idatzi baleko erabiltzaile izen bat. Eremu honetan hizki, zenbaki eta @/./"
+"+/-/_ karaktereak bakarrik erabili daitezke."
+
+msgid "Logged out"
+msgstr "Sesiotik kanpo"
+
+msgid "Password reset"
+msgstr "Pasahitz-berrezartzea"
+
+msgid "Password reset sent"
+msgstr "Pasahitz-berrezartzea bidalita"
+
+msgid "Enter new password"
+msgstr "Idatzi pasahitz berria"
+
+msgid "Password reset unsuccessful"
+msgstr "Pasahitza ez da ondo berrezarri"
+
+msgid "Password reset complete"
+msgstr "Pasahitz-berrezartzea burututa"
+
+msgid "Password change"
+msgstr "Pasahitz-aldaketa"
+
+msgid "Password change successful"
+msgstr "Pasahitza ondo aldatu da"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9fa962ef
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ef453349
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,313 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ahmad Hosseini <ahmadly.com@gmail.com>, 2020
+# Ali Nikneshan <ali@nikneshan.com>, 2015
+# Eric Hamiter <ehamiter@gmail.com>, 2013
+# Farshad Asadpour, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# cef32bddc4c7e18de7e89af20a3a57ef_18bb97f, 2015
+# MJafar Mashhadi <raindigital2007@gmail.com>, 2018
+# Pouya Abbassi, 2016
+# Reza Mohammadi <reza@teeleh.ir>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-11-19 17:35+0000\n"
+"Last-Translator: Farshad Asadpour\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Personal info"
+msgstr "اطلاعات شخصی"
+
+msgid "Permissions"
+msgstr "اجازه‌ها"
+
+msgid "Important dates"
+msgstr "تاریخ‌های مهم"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "شیء %(name)s با کلید اصلی %(key)r وجود ندارد."
+
+msgid "Password changed successfully."
+msgstr "گذرواژه با موفقیت تغییر یافت."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "تغییر گذرواژه: %s"
+
+msgid "Authentication and Authorization"
+msgstr "بررسی اصالت و اجازه‌ها"
+
+msgid "password"
+msgstr "گذرواژه"
+
+msgid "last login"
+msgstr "آخرین ورود"
+
+msgid "No password set."
+msgstr "هیچ رمزی انتخاب نشده است."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "رمز نامعتبر یا الگوریتم رمزنگاری ناشناس"
+
+msgid "The two password fields didn’t match."
+msgstr "دو فیلد گذرواژه با هم مطابقت ندارند."
+
+msgid "Password"
+msgstr "گذرواژه"
+
+msgid "Password confirmation"
+msgstr "تأیید گذرواژه"
+
+msgid "Enter the same password as before, for verification."
+msgstr "برای تائید، رمز عبور قبلی را وارد کنید."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"گذرواژه‌ها به صورت خام نگهداری نمی‌شوند لذا راهی برای مشاهدهٔ گذرواژهٔ این کاربر "
+"وجود ندارد، اما می‌توانید آن را با <a href=\"{}\">این فرم</a> تغییر دهید."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"لطفا %(username)s و گذرواژه‌ای قابل قبول وارد کنید.\n"
+"توجه داشته باشید که ممکن است هر دو به کوچکی و بزرگی حروف حساس باشند."
+
+msgid "This account is inactive."
+msgstr "این حساب غیر فعال است."
+
+msgid "Email"
+msgstr "ایمیل"
+
+msgid "New password"
+msgstr "گذرواژهٔ جدید"
+
+msgid "New password confirmation"
+msgstr "تأیید گذرواژهٔ جدید"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "گذرواژهٔ قدیمی‌تان اشتباه وارد شد. لطفاً دوباره وارد کنید."
+
+msgid "Old password"
+msgstr "گذرواژهٔ قدیمی"
+
+msgid "Password (again)"
+msgstr "گذرواژه (تکرار)"
+
+msgid "algorithm"
+msgstr "الگوریتم"
+
+msgid "iterations"
+msgstr "تکرار"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "تنوع"
+
+msgid "version"
+msgstr "نسخه"
+
+msgid "memory cost"
+msgstr "هزینه‌ی حافظه"
+
+msgid "time cost"
+msgstr "هزینه‌ی زمان"
+
+msgid "parallelism"
+msgstr "موازات"
+
+msgid "work factor"
+msgstr "عامل کار"
+
+msgid "checksum"
+msgstr "جمع کنترلی"
+
+msgid "block size"
+msgstr "اندازه بلاک"
+
+msgid "name"
+msgstr "نام"
+
+msgid "content type"
+msgstr "نوع محتوی"
+
+msgid "codename"
+msgstr "نام کد"
+
+msgid "permission"
+msgstr "اجازه"
+
+msgid "permissions"
+msgstr "اجازه‌ها"
+
+msgid "group"
+msgstr "گروه"
+
+msgid "groups"
+msgstr "گروه‌ها"
+
+msgid "superuser status"
+msgstr "ابرکاربر"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"نشان می‌دهد که این کاربر همهٔ اجازه‌ها را دارد بدون آنکه به صراحت به او اختصاص "
+"داده شده باشد."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"گروه‌هایی که این کاربر به آنها تعلق دارد. کاربر تمام اجازه‌های مرتبط با این "
+"گروه‌ها را دریافت خواهد کرد."
+
+msgid "user permissions"
+msgstr "اجازه‌های کاربر"
+
+msgid "Specific permissions for this user."
+msgstr "اجازه‌های خاص این کاربر."
+
+msgid "username"
+msgstr "نام کاربری"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "الزامی. 150 کاراکتر یا کمتر. فقط شامل حروف، اعداد، و علامات @/./+/-/_"
+
+msgid "A user with that username already exists."
+msgstr "کاربری با آن نام کاربری وجود دارد."
+
+msgid "first name"
+msgstr "نام"
+
+msgid "last name"
+msgstr "نام خانوادگی"
+
+msgid "email address"
+msgstr "آدرس ایمیل"
+
+msgid "staff status"
+msgstr "وضعیت کارمندی"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "نشان می‌دهد که آیا این کاربر می‌تواند وارد این وبگاه مدیریت شود یا خیر."
+
+msgid "active"
+msgstr "فعال"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"نشان می‌دهد که آیا این کاربر اجازهٔ فعالیت دارد یا خیر. به جای حذف کاربر این "
+"تیک را بردارید."
+
+msgid "date joined"
+msgstr "تاریخ پیوستن"
+
+msgid "user"
+msgstr "کاربر"
+
+msgid "users"
+msgstr "کاربرها"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"این رمز عبور خیلی کوتاه است. رمز عبور می‌بایست حداقل از %(min_length)d حرف "
+"تشکیل شده باشد."
+msgstr[1] ""
+"این رمز عبور خیلی کوتاه است. رمز عبور می‌بایست حداقل از %(min_length)d حرف "
+"تشکیل شده باشد."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "رمز عبور شما می‌بایست حداقل از %(min_length)d حرف تشکیل شده باشد."
+msgstr[1] "رمز عبور شما می‌بایست حداقل از %(min_length)d حرف تشکیل شده باشد."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "این رمز عبور بسیار شبیه %(verbose_name)s می‌باشد."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "گذرواژه شما نمی‌تواند شبیه سایر اطلاعات شخصی شما باشد."
+
+msgid "This password is too common."
+msgstr "این رمز عبور بسیار رایج است."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "گذرواژه شما نمی تواند یک گذرواژه معمول باشد."
+
+msgid "This password is entirely numeric."
+msgstr "رمز شما کلا عدد است"
+
+msgid "Your password can’t be entirely numeric."
+msgstr "گذرواژه شما نمی تواند کلا عدد باشد"
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "بازیابی گذرواژه در %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"یک نام کاربری معتبر وارد کنید. این مقدار میتواند فقط شامل حروف الفبای "
+"انگلیسی، اعداد، و علامات @/./+/-/_ باشد."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"یک نام کاربری معتبر وارد کنید. این مقدار میتواند فقط شامل حروف، اعداد، و "
+"علامات @/./+/-/_ باشد."
+
+msgid "Logged out"
+msgstr "خارج شدید"
+
+msgid "Password reset"
+msgstr "ایجاد گذرواژهٔ جدید"
+
+msgid "Password reset sent"
+msgstr "تقاضای ریست رمز فرستاده شد"
+
+msgid "Enter new password"
+msgstr "ورود گذرواژهٔ جدید"
+
+msgid "Password reset unsuccessful"
+msgstr "گذرواژهٔ جدید ایجاد نشد."
+
+msgid "Password reset complete"
+msgstr "گذرواژهٔ جدید ایجاد شد"
+
+msgid "Password change"
+msgstr "تغییر گذرواژه"
+
+msgid "Password change successful"
+msgstr "گذرواژه تغییر یافت."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..469ab201
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a13720b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,309 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2017-2018,2020-2021
+# Antti Kaihola <antti.15+transifex@kaihola.fi>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Klaus Dahlén <klaus.dahlen@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-11-22 15:17+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Henkilökohtaiset tiedot"
+
+msgid "Permissions"
+msgstr "Oikeudet"
+
+msgid "Important dates"
+msgstr "Tärkeät päivämäärät"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s perusavaimella %(key)r ei ole olemassa."
+
+msgid "Password changed successfully."
+msgstr "Salasana muutettu onnistuneesti."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Vaihda salasana: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Kirjautuminen ja oikeudet"
+
+msgid "password"
+msgstr "salasana"
+
+msgid "last login"
+msgstr "viimeisin kirjautuminen"
+
+msgid "No password set."
+msgstr "Salasanaa ei ole asetettu."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Tuntematon salasanamuoto tai tuntematon hajakoodausalgoritmi."
+
+msgid "The two password fields didn’t match."
+msgstr "Salasanakentät eivät täsmänneet."
+
+msgid "Password"
+msgstr "Salasana"
+
+msgid "Password confirmation"
+msgstr "Salasanan vahvistaminen"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Syötä sama salasana tarkistuksen vuoksi toistamiseen."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Salasanoja ei tallenneta selkokielisinä, joten tämän käyttäjän salasanaa on "
+"mahdoton nähdä, mutta voit vaihtaa salasanan käyttämällä <a href=\"{}\">tätä "
+"lomaketta</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Ole hyvä ja syötä kelvollinen %(username)s ja salasana. Huomaa että "
+"kummassakin kentässä isoilla ja pienillä kirjaimilla saattaa olla merkitystä."
+
+msgid "This account is inactive."
+msgstr "Tämä käyttäjätili ei ole voimassa."
+
+msgid "Email"
+msgstr "Sähköposti"
+
+msgid "New password"
+msgstr "Uusi salasana"
+
+msgid "New password confirmation"
+msgstr "Uusi salasana uudelleen"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Vanha salasana on virheellinen. Yritä uudelleen."
+
+msgid "Old password"
+msgstr "Vanha salasana"
+
+msgid "Password (again)"
+msgstr "Salasana toistamiseen"
+
+msgid "algorithm"
+msgstr "algoritmi"
+
+msgid "iterations"
+msgstr "iteraatioita"
+
+msgid "salt"
+msgstr "suola"
+
+msgid "hash"
+msgstr "tiiviste"
+
+msgid "variety"
+msgstr "variaatio"
+
+msgid "version"
+msgstr "versio"
+
+msgid "memory cost"
+msgstr "muistihinta"
+
+msgid "time cost"
+msgstr "aikahinta"
+
+msgid "parallelism"
+msgstr "rinnakkaisuus"
+
+msgid "work factor"
+msgstr "työmäärä"
+
+msgid "checksum"
+msgstr "tarkistussumma"
+
+msgid "block size"
+msgstr "lohkokoko"
+
+msgid "name"
+msgstr "nimi"
+
+msgid "content type"
+msgstr "sisältötyyppi"
+
+msgid "codename"
+msgstr "tunniste"
+
+msgid "permission"
+msgstr "oikeus"
+
+msgid "permissions"
+msgstr "oikeudet"
+
+msgid "group"
+msgstr "ryhmä"
+
+msgid "groups"
+msgstr "ryhmät"
+
+msgid "superuser status"
+msgstr "pääkäyttäjä"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Antaa käyttäjälle kaikki oikeudet ilman, että niitä täytyy erikseen luetella."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Käyttäjäryhmät joihin tämä käyttäjä kuuluu. Käyttäjä saa käyttöoikeudet "
+"kaikista käyttäjäryhmistä, joihin hän kuuluu."
+
+msgid "user permissions"
+msgstr "käyttäjän oikeudet"
+
+msgid "Specific permissions for this user."
+msgstr "Tämän käyttäjän spesifit oikeudet."
+
+msgid "username"
+msgstr "käyttäjätunnus"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Vaaditaan. Enintään 150 merkkiä. Vain kirjaimet, numerot ja @/./+/-/_ ovat "
+"sallittuja."
+
+msgid "A user with that username already exists."
+msgstr "Käyttäjätunnus on jo rekisteröity."
+
+msgid "first name"
+msgstr "etunimi"
+
+msgid "last name"
+msgstr "sukunimi"
+
+msgid "email address"
+msgstr "sähköpostiosoite"
+
+msgid "staff status"
+msgstr "ylläpitäjä"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Määrittää, pääseekö käyttäjä tähän sivuston ylläpito-osioon."
+
+msgid "active"
+msgstr "voimassa"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Määrää, voiko käyttäjä kirjautua sisään. Tällä voi estää käyttäjätilin "
+"käytön poistamatta sitä."
+
+msgid "date joined"
+msgstr "liittynyt"
+
+msgid "user"
+msgstr "käyttäjä"
+
+msgid "users"
+msgstr "käyttäjät"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Tämä salasana on liian lyhyt. Sen tulee sisältää ainakin %(min_length)d "
+"merkki."
+msgstr[1] ""
+"Tämä salasana on liian lyhyt. Sen tulee sisältää ainakin %(min_length)d "
+"merkkiä."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Salasanasi tulee sisältää ainakin %(min_length)d merkki."
+msgstr[1] "Salasanasi tulee sisältää ainakin %(min_length)d merkkiä."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Salasana on liian lähellä kohdetta %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Salasanasi ei voi olla liian samankaltainen muiden tietojesi kanssa."
+
+msgid "This password is too common."
+msgstr "Tämä salasana on liian yleinen."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Salasanasi ei voi olla yleisesti käytetty salasana."
+
+msgid "This password is entirely numeric."
+msgstr "Tämä salasana on kokonaan numeerinen."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Salasanasi ei voi olla kokonaan numeerinen."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Salasanan nollaus sivustolla %(site_name)s "
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Syötä kelvollinen käyttäjänimi (vain englannin kirjaimet, numerot ja merkit "
+"@/./+/-/_)."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Syötä kelvollinen käyttäjänimi (vain kirjaimet, numerot ja merkit @/./+/-/_)."
+
+msgid "Logged out"
+msgstr "Kirjautunut ulos"
+
+msgid "Password reset"
+msgstr "Salasanan nollaus"
+
+msgid "Password reset sent"
+msgstr "Salasanan nollausviesti lähetetty"
+
+msgid "Enter new password"
+msgstr "Syötä uusi salasana"
+
+msgid "Password reset unsuccessful"
+msgstr "Salasanan nollaus ei onnistunut"
+
+msgid "Password reset complete"
+msgstr "Salasanan nollaus valmis"
+
+msgid "Password change"
+msgstr "Salasanan vaihtaminen"
+
+msgid "Password change successful"
+msgstr "Salasanan vaihtaminen onnistui"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b69f2c1f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bd652e66
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,323 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2013-2019,2021,2023
+# Claude Paroz <claude@2xlibre.net>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# mlorant <maxime.lorant@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>, 2013-2019,2021,2023\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Personal info"
+msgstr "Informations personnelles"
+
+msgid "Permissions"
+msgstr "Permissions"
+
+msgid "Important dates"
+msgstr "Dates importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "L'objet %(name)s avec la clef primaire %(key)r n’existe pas."
+
+msgid "Password changed successfully."
+msgstr "Mot de passe modifié avec succès"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Modifier le mot de passe : %s"
+
+msgid "Authentication and Authorization"
+msgstr "Authentification et autorisation"
+
+msgid "password"
+msgstr "mot de passe"
+
+msgid "last login"
+msgstr "dernière connexion"
+
+msgid "No password set."
+msgstr "Aucun mot de passe défini."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"Format de mot de passe non valide ou algorithme de hachage non reconnu."
+
+msgid "The two password fields didn’t match."
+msgstr "Les deux mots de passe ne correspondent pas."
+
+msgid "Password"
+msgstr "Mot de passe"
+
+msgid "Password confirmation"
+msgstr "Confirmation du mot de passe"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Saisissez le même mot de passe que précédemment, pour vérification."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Les mots de passe ne sont pas enregistrés en clair, ce qui ne permet pas "
+"d’afficher le mot de passe de cet utilisateur, mais il est possible de le "
+"changer en utilisant <a href=\"{}\">ce formulaire</a>. "
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Saisissez un %(username)s et un mot de passe valides. Remarquez que chacun "
+"de ces champs est sensible à la casse (différenciation des majuscules/"
+"minuscules)."
+
+msgid "This account is inactive."
+msgstr "Ce compte est inactif."
+
+msgid "Email"
+msgstr "Courriel"
+
+msgid "New password"
+msgstr "Nouveau mot de passe"
+
+msgid "New password confirmation"
+msgstr "Confirmation du nouveau mot de passe"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Votre ancien mot de passe est incorrect. Veuillez le rectifier."
+
+msgid "Old password"
+msgstr "Ancien mot de passe"
+
+msgid "Password (again)"
+msgstr "Mot de passe (à nouveau)"
+
+msgid "algorithm"
+msgstr "algorithme"
+
+msgid "iterations"
+msgstr "itérations"
+
+msgid "salt"
+msgstr "salage"
+
+msgid "hash"
+msgstr "empreinte"
+
+msgid "variety"
+msgstr "variété"
+
+msgid "version"
+msgstr "version"
+
+msgid "memory cost"
+msgstr "coût mémoire"
+
+msgid "time cost"
+msgstr "coût temps"
+
+msgid "parallelism"
+msgstr "parallélisme"
+
+msgid "work factor"
+msgstr "facteur travail"
+
+msgid "checksum"
+msgstr "somme de contrôle"
+
+msgid "block size"
+msgstr "taille de bloc"
+
+msgid "name"
+msgstr "nom"
+
+msgid "content type"
+msgstr "type de contenu"
+
+msgid "codename"
+msgstr "nom de code"
+
+msgid "permission"
+msgstr "permission"
+
+msgid "permissions"
+msgstr "permissions"
+
+msgid "group"
+msgstr "groupe"
+
+msgid "groups"
+msgstr "groupes"
+
+msgid "superuser status"
+msgstr "statut super-utilisateur"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Précise que l’utilisateur possède toutes les permissions sans les assigner "
+"explicitement."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Les groupes dont fait partie cet utilisateur. Celui-ci obtient tous les "
+"droits de tous les groupes auxquels il appartient."
+
+msgid "user permissions"
+msgstr "permissions de l’utilisateur"
+
+msgid "Specific permissions for this user."
+msgstr "Permissions spécifiques à cet utilisateur."
+
+msgid "username"
+msgstr "nom d’utilisateur"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Requis. 150 caractères maximum. Uniquement des lettres, nombres et les "
+"caractères « @ », « . », « + », « - » et « _ »."
+
+msgid "A user with that username already exists."
+msgstr "Un utilisateur avec ce nom existe déjà."
+
+msgid "first name"
+msgstr "prénom"
+
+msgid "last name"
+msgstr "nom"
+
+msgid "email address"
+msgstr "adresse électronique"
+
+msgid "staff status"
+msgstr "statut équipe"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Précise si l’utilisateur peut se connecter à ce site d'administration."
+
+msgid "active"
+msgstr "actif"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Précise si l’utilisateur doit être considéré comme actif. Décochez ceci "
+"plutôt que de supprimer le compte."
+
+msgid "date joined"
+msgstr "date d’inscription"
+
+msgid "user"
+msgstr "utilisateur"
+
+msgid "users"
+msgstr "utilisateurs"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Ce mot de passe est trop court. Il doit contenir au minimum %(min_length)d "
+"caractère."
+msgstr[1] ""
+"Ce mot de passe est trop court. Il doit contenir au minimum %(min_length)d "
+"caractères."
+msgstr[2] ""
+"Ce mot de passe est trop court. Il doit contenir au minimum %(min_length)d "
+"caractères."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"Votre mot de passe doit contenir au minimum %(min_length)d caractère."
+msgstr[1] ""
+"Votre mot de passe doit contenir au minimum %(min_length)d caractères."
+msgstr[2] ""
+"Votre mot de passe doit contenir au minimum %(min_length)d caractères."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Le mot de passe est trop semblable au champ « %(verbose_name)s »."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Votre mot de passe ne peut pas trop ressembler à vos autres informations "
+"personnelles."
+
+msgid "This password is too common."
+msgstr "Ce mot de passe est trop courant."
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+"Votre mot de passe ne peut pas être un mot de passe couramment utilisé."
+
+msgid "This password is entirely numeric."
+msgstr "Ce mot de passe est entièrement numérique."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Votre mot de passe ne peut pas être entièrement numérique."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Réinitialisation du mot de passe sur %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Saisissez un nom d’utilisateur valide. Il ne peut contenir que des lettres "
+"non accentuées (de a à z ou de A à Z), des nombres ou les caractères « @ », "
+"« . », « + », « - » et « _ »."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Saisissez un nom d’utilisateur valide. Il ne peut contenir que des lettres, "
+"des nombres ou les caractères « @ », « . », « + », « - » et « _ »."
+
+msgid "Logged out"
+msgstr "Déconnecté"
+
+msgid "Password reset"
+msgstr "Réinitialisation du mot de passe"
+
+msgid "Password reset sent"
+msgstr "Message de réinitialisation du mot de passe envoyé"
+
+msgid "Enter new password"
+msgstr "Saisissez un nouveau mot de passe"
+
+msgid "Password reset unsuccessful"
+msgstr "Échec lors de la mise à jour du mot de passe"
+
+msgid "Password reset complete"
+msgstr "Mise à jour du mot de passe terminée"
+
+msgid "Password change"
+msgstr "Modification du mot de passe"
+
+msgid "Password change successful"
+msgstr "Mot de passe modifié avec succès"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2331e0ea
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..576ed79f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,226 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 10:30+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr ""
+
+msgid "Permissions"
+msgstr ""
+
+msgid "Important dates"
+msgstr ""
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr ""
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as above, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"password/\">this "
+"form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr ""
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr ""
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr ""
+
+msgid "groups"
+msgstr ""
+
+msgid "password"
+msgstr ""
+
+msgid "last login"
+msgstr ""
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers and @/./"
+"+/-/_ characters."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr ""
+
+msgid "users"
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3221b186
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ga/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a91375aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,298 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Michael Thornhill <michael@maithu.com>, 2012,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Personal info"
+msgstr "Eolas pearsantach"
+
+msgid "Permissions"
+msgstr "Ceada"
+
+msgid "Important dates"
+msgstr "Dáta tábhactach"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Focal faire aithraithe rathúil"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Athraigh focal faire: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "focal faire"
+
+msgid "last login"
+msgstr "logáil deirneach"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr "Níl an dá focla faire comhoiriúnigh"
+
+msgid "Password"
+msgstr "Focal faire"
+
+msgid "Password confirmation"
+msgstr "Focal faire deimhniú"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "Tá an cuntas seo neamhghníomhach."
+
+msgid "Email"
+msgstr "Ríomhphost"
+
+msgid "New password"
+msgstr "Focal faire nua"
+
+msgid "New password confirmation"
+msgstr "Deimnhiú focal faire nua"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Cuireadh do sean-focal faire isteach go mícheart. Iontráil isteach é arís."
+
+msgid "Old password"
+msgstr "Sean-focal faire "
+
+msgid "Password (again)"
+msgstr "Focal faire (arís)"
+
+msgid "algorithm"
+msgstr "algartam"
+
+msgid "iterations"
+msgstr "atriallta"
+
+msgid "salt"
+msgstr "salann"
+
+msgid "hash"
+msgstr "haiseáil"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "fachtóir oibre"
+
+msgid "checksum"
+msgstr "suim sheiceála"
+
+msgid "name"
+msgstr "ainm"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "Ainm cód"
+
+msgid "permission"
+msgstr "cead"
+
+msgid "permissions"
+msgstr "ceada"
+
+msgid "group"
+msgstr "grúpa"
+
+msgid "groups"
+msgstr "grúpa"
+
+msgid "superuser status"
+msgstr "stádas forúsáideoir"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Sainíonn go bhfuil gach ceada ag an úsáideoir seo gan iad a cur le go "
+"díreach."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "ceada úsáideoira"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "Ainm úsáideoir"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "In ann do úsáideoir leis an ainm úsáideora."
+
+msgid "first name"
+msgstr "ainm baiste"
+
+msgid "last name"
+msgstr "sloinne"
+
+msgid "email address"
+msgstr "seoladh r-phoist"
+
+msgid "staff status"
+msgstr "stádas foirne"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Sainigh an bhfuil cead ag an úsáideoir logáil isteach go dtí an suíomh "
+"riaracháin seo."
+
+msgid "active"
+msgstr "gníomhach"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Sainíonn an bhfuil an úsáideoir gníomhach. Míroghnaigh seo in aineonn de "
+"scriseadh cuntasí."
+
+msgid "date joined"
+msgstr "Dáta teacht isteach"
+
+msgid "user"
+msgstr "úsáideoir"
+
+msgid "users"
+msgstr "úsáideora"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Athshocraigh focal faire ar %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Logáilte amach"
+
+msgid "Password reset"
+msgstr "Pasfhocal athshocrú"
+
+msgid "Password reset sent"
+msgstr "Pasfhocal athshocrú sheoladh"
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..edc9d7b6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..88834565
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,337 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015-2017,2021
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-10-27 12:55+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Personal info"
+msgstr "Fiosrachadh pearsanta"
+
+msgid "Permissions"
+msgstr "Ceadan"
+
+msgid "Important dates"
+msgstr "Cinn-là chudromach"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Chan eil oibseact %(name)s air a bheil prìomh-iuchair %(key)r ann."
+
+msgid "Password changed successfully."
+msgstr "Chaidh am facal-faire atharrachadh gu soirbheachail."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Atharraich am facal-faire: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Dearbhadh is ùghdarrachadh"
+
+msgid "password"
+msgstr "facal-faire"
+
+msgid "last login"
+msgstr "an clàradh a-steach mu dheireadh"
+
+msgid "No password set."
+msgstr "Cha deach facal-faire a shuidheachadh."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"Tha fòrmat mì-dhligheach air an fhacal-fhaire no chan aithne dhuinn algairim "
+"a’ hais."
+
+msgid "The two password fields didn’t match."
+msgstr "Cha robh an dà fhacal-faire co-ionnann."
+
+msgid "Password"
+msgstr "Facal-faire"
+
+msgid "Password confirmation"
+msgstr "Dearbhadh an fhacail-fhaire"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Cuir an t-aon fhacal-faire a-steach a-rithist gus a dhearbhadh."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Cha dèid faclan-faire amh a shàbhaladh ’s mar sin chan eil dòigh ann gus "
+"facal-faire a’ chleachdaiche seo a shealltainn. ’S urrainn dhut am facal-"
+"faire atharrachadh co-dhiù leis <a href=\"{}\">an fhoirm seo</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Cuir a-steach %(username)s agus facal-faire ceart. Thoir an aire gum bi aire "
+"do litrichean mòra ’s beaga air an dà raon, ma dh’fhaoidte."
+
+msgid "This account is inactive."
+msgstr "Chan eil an cunntas seo gnìomhach."
+
+msgid "Email"
+msgstr "Post-d"
+
+msgid "New password"
+msgstr "Facal-faire ùr"
+
+msgid "New password confirmation"
+msgstr "Dearbhadh an fhacail-fhaire ùir"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Cha do chuir thu an seann fhacal-faire a-steach mar bu chòir. Cuir a-steach "
+"e a-rithist."
+
+msgid "Old password"
+msgstr "An seann fhacal-faire"
+
+msgid "Password (again)"
+msgstr "Facal-faire (a-rithist)"
+
+msgid "algorithm"
+msgstr "algairim"
+
+msgid "iterations"
+msgstr "ath-thriallan"
+
+msgid "salt"
+msgstr "salann"
+
+msgid "hash"
+msgstr "hais"
+
+msgid "variety"
+msgstr "eug-samhail"
+
+msgid "version"
+msgstr "tionndadh"
+
+msgid "memory cost"
+msgstr "cosgais cuimhne"
+
+msgid "time cost"
+msgstr "cosgais ùine"
+
+msgid "parallelism"
+msgstr "co-shìneadh"
+
+msgid "work factor"
+msgstr "factar obrachaidh"
+
+msgid "checksum"
+msgstr "àireamh dhearbhaidh"
+
+msgid "block size"
+msgstr "meud nam blocaichean"
+
+msgid "name"
+msgstr "ainm"
+
+msgid "content type"
+msgstr "seòrsa susbainte"
+
+msgid "codename"
+msgstr "ainm-còd"
+
+msgid "permission"
+msgstr "cead"
+
+msgid "permissions"
+msgstr "ceadan"
+
+msgid "group"
+msgstr "buidheann"
+
+msgid "groups"
+msgstr "buidhnean"
+
+msgid "superuser status"
+msgstr "staid superuser"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Iomruinidh seo gu bheil a h-uile aig a’ chleachdaiche seo gun a bhith ’gan "
+"iomruineadh fa leth."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Am buidheann ris a bhuineas an cleachdaiche seo. Gheibh cleachdaiche a h-"
+"uile cead a chaidh a thoirt dha ghin dhe na buidhnean aige."
+
+msgid "user permissions"
+msgstr "ceadan a’ chleachdaiche"
+
+msgid "Specific permissions for this user."
+msgstr "Ceadan sònraichte airson a’ chleachdaiche seo."
+
+msgid "username"
+msgstr "ainm-cleachdaiche"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Riatanach. 150 caractar air a char as motha. Litrichean, àireamhan agus @/./"
+"+/-/_ a-mhàin."
+
+msgid "A user with that username already exists."
+msgstr "Tha cleachdaiche air a bheil an t-ainm-cleachdaiche seo ann mar-tha."
+
+msgid "first name"
+msgstr "ainm"
+
+msgid "last name"
+msgstr "sloinneadh"
+
+msgid "email address"
+msgstr "seòladh puist-d"
+
+msgid "staff status"
+msgstr "inbhe luchd-obrach"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Iomruinidh seo an urrainn dhan chleachdaiche seo clàradh a-steach gu làrach "
+"nan rianairean gus nach urrainn."
+
+msgid "active"
+msgstr "staid ghnìomhach"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Iomruinidh seo an dèid dèiligeadh ris a’ cleachdaiche seo mar fhear "
+"gnìomhach gus nach dèid. Neo-thagh seo seach an cunntas a sguabadh às."
+
+msgid "date joined"
+msgstr "fhuair e ballrachd"
+
+msgid "user"
+msgstr "cleachdaiche"
+
+msgid "users"
+msgstr "cleachdaichean"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Tha am facal-faire seo ro ghoirid. Feumaidh %(min_length)d charactar a bhith "
+"ann air a char as lugha."
+msgstr[1] ""
+"Tha am facal-faire seo ro ghoirid. Feumaidh %(min_length)d charactar a bhith "
+"ann air a char as lugha."
+msgstr[2] ""
+"Tha am facal-faire seo ro ghoirid. Feumaidh %(min_length)d caractaran a "
+"bhith ann air a char as lugha."
+msgstr[3] ""
+"Tha am facal-faire seo ro ghoirid. Feumaidh %(min_length)d caractar a bhith "
+"ann air a char as lugha."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"Feumaidh %(min_length)d charactar a bhith san fhacal-fhaire agad air a char "
+"as lugha."
+msgstr[1] ""
+"Feumaidh %(min_length)d charactar a bhith san fhacal-fhaire agad air a char "
+"as lugha."
+msgstr[2] ""
+"Feumaidh %(min_length)d caractaran a bhith san fhacal-fhaire agad air a char "
+"as lugha."
+msgstr[3] ""
+"Feumaidh %(min_length)d caractar a bhith san fhacal-fhaire agad air a char "
+"as lugha."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Tha am facal-faire agad ro choltach ri %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Chan fhaod am facal-faire agad a bhith ro choltach ris an fhiosrachadh "
+"phearsanta eile agad."
+
+msgid "This password is too common."
+msgstr "Tha am facal-faire seo ro chumanta."
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+"Chan fhaod thu facal-faire a chleachdadh a chleachd mòran daoine mar-thà."
+
+msgid "This password is entirely numeric."
+msgstr "Chan eil ach àireamhan san fhacal-fhaire seo."
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+"Feumaidh caractaran a bhith san fhacal-fhaire agad nach eil ’nan àireamhan."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Ath-shuidheachadh an fhacail-fhaire air %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Cuir a-steach ainm-cleachdaiche dligheach. Chan fhaod ach litrichean gun "
+"sràcan, àireamhan is caractaran @/./+/-/_ a bhith ’na bhroinn."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Cuir a-steach ainm-cleachdaiche dligheach. Chan fhaod ach litrichean, "
+"àireamhan is caractaran @/./+/-/_ a bhith ’na bhroinn."
+
+msgid "Logged out"
+msgstr "Air a clàradh a-mach"
+
+msgid "Password reset"
+msgstr "Ath-shuidheachadh an fhacail-fhaire"
+
+msgid "Password reset sent"
+msgstr "Chaidh ath-shuidheachadh an fhacail-fhaire a chur"
+
+msgid "Enter new password"
+msgstr "Cuir a-steach facal-faire ùr"
+
+msgid "Password reset unsuccessful"
+msgstr "Cha deach le ath-shuidheachadh an facail-faire"
+
+msgid "Password reset complete"
+msgstr "Tha ath-shuidheachadh an fhacail-fhaire deiseil"
+
+msgid "Password change"
+msgstr "Atharrachadh an facail-fhaire"
+
+msgid "Password change successful"
+msgstr "Chaidh am facal-faire atharrachadh gu soirbheachail"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4387835a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3fa92e7d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,314 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fasouto <fsoutomoure@gmail.com>, 2011
+# fonso <fonzzo@gmail.com>, 2011,2013
+# fasouto <fsoutomoure@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2011,2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Información persoal"
+
+msgid "Permissions"
+msgstr "Permisos"
+
+msgid "Important dates"
+msgstr "Datas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "O obxeto %(name)s ca clave primaria %(key)r non existe."
+
+msgid "Password changed successfully."
+msgstr "O contrasinal cambiouse correctamente."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Cambiar o contrasinal: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticación e Autorización"
+
+msgid "password"
+msgstr "contrasinal"
+
+msgid "last login"
+msgstr "última sesión"
+
+msgid "No password set."
+msgstr "Non se configurou ningún contrasinal."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de contrasinal non válido ou algoritmo de hash descoñecido."
+
+msgid "The two password fields didn’t match."
+msgstr "Os dous campos de contrasinal non coinciden."
+
+msgid "Password"
+msgstr "Contrasinal"
+
+msgid "Password confirmation"
+msgstr "Confirmación do contrasinal"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Introduza o mesmo contrasinal que antes, para verificalo."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Non se gardan os contrasinais sen cifrar, de maneira que non se pode ver o "
+"contrasinal deste usuario, pero pode modificar o contrasinal mediante <a "
+"href=\"{}\">este formulario</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor, insira un %(username)s e contrasinal correctos. Teña en conta que "
+"ambos os dous campos poden distinguir maiúsculas e minúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta conta está inactiva."
+
+msgid "Email"
+msgstr "Correo electrónico"
+
+msgid "New password"
+msgstr "Novo contrasinal"
+
+msgid "New password confirmation"
+msgstr "Confirmación do novo contrasinal"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Inseriu incorrectamente o seu contrasinal actual. Insírao de novo."
+
+msgid "Old password"
+msgstr "Contrasinal antigo"
+
+msgid "Password (again)"
+msgstr "Contrasinal (outra vez)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iteracións"
+
+msgid "salt"
+msgstr "sal"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variedade"
+
+msgid "version"
+msgstr "versión"
+
+msgid "memory cost"
+msgstr "custo de memoria"
+
+msgid "time cost"
+msgstr "coste temporal"
+
+msgid "parallelism"
+msgstr "paralelismo"
+
+msgid "work factor"
+msgstr "factor de traballo"
+
+msgid "checksum"
+msgstr "suma de verificación"
+
+msgid "block size"
+msgstr "tamaño de bloque"
+
+msgid "name"
+msgstr "nome"
+
+msgid "content type"
+msgstr "tipo de contido"
+
+msgid "codename"
+msgstr "código"
+
+msgid "permission"
+msgstr "permiso"
+
+msgid "permissions"
+msgstr "permisos"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "estatus de superusuario"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que este usuario ten todos os permisos sen asignarllos explicitamente."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Os grupos ós que pertence este usuario. Un usuario terá todos os permisos "
+"outorgados a cada un dos seus grupos."
+
+msgid "user permissions"
+msgstr "permisos de usuario"
+
+msgid "Specific permissions for this user."
+msgstr "Permisos específicos para este usuario"
+
+msgid "username"
+msgstr "nome de usuario"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Requerido. 150 caracteres ou menos. So letras, díxitos e @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Xa existe un usuario con ese nome de usuario."
+
+msgid "first name"
+msgstr "nome"
+
+msgid "last name"
+msgstr "apelidos"
+
+msgid "email address"
+msgstr "enderezo de correo electrónico"
+
+msgid "staff status"
+msgstr "membro do persoal"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica se o usuario pode acceder a este sitio de administración."
+
+msgid "active"
+msgstr "activo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Determina se este usuario se debe considerar activo. Deseleccione isto en "
+"vez de borrar contas de usuario."
+
+msgid "date joined"
+msgstr "data de rexistro"
+
+msgid "user"
+msgstr "usuario"
+
+msgid "users"
+msgstr "usuarios"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Este contrasinal é moi curto. Ten que conter polo menos %(min_length)d "
+"caracter."
+msgstr[1] ""
+"Este contrasinal é moi curto. Ten que conter polo menos %(min_length)d "
+"caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"O seu contrasinal ten que conter polo menos %(min_length)d caracter."
+msgstr[1] ""
+"O seu contrasinal ten que conter polo menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "O contrasinal parécese demasiado a %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"O seu contrasinal non pode ser tan semellante ó resto da información persal."
+
+msgid "This password is too common."
+msgstr "Este contrasinal é moi común."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "O seu contrasinal non pode ser un contrasinal de uso habitual."
+
+msgid "This password is entirely numeric."
+msgstr "Este constrasinal só ten números."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "O seu contrasinal non pode ser únicamente numérico."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Cambio de contrasinal en %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Introduza un nome de usuario válido. Este valor so pode conter letras sen "
+"acentos minúsculas do a ó z e maíusculas do A ó Z, números e os caracteres "
+"@/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Introduza un nome de usuario válido. Este valor pode conter so letras, "
+"números e os caracteres @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Rematou a sesión"
+
+msgid "Password reset"
+msgstr "Recuperar o contrasinal"
+
+msgid "Password reset sent"
+msgstr "Enviada recuperación de contrasinal"
+
+msgid "Enter new password"
+msgstr "Introduza novo contrasinal"
+
+msgid "Password reset unsuccessful"
+msgstr "Fallóu a recuperación do contrasinal"
+
+msgid "Password reset complete"
+msgstr "Completouse a recuperación do contrasinal"
+
+msgid "Password change"
+msgstr "Cambio de contrasinal"
+
+msgid "Password change successful"
+msgstr "O contrasinal cambiouse correctamente"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cf03e167
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/he/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a76646a6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,307 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# 534b44a19bf18d20b71ecc4eb77c572f_db336e9 <f8268c65f822ec11a3a2e5d482cd7ead_175>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2012-2015,2017,2019,2023
+# אורי רודברג <uri@speedy.net>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Meir Kriheli <mkriheli@gmail.com>, "
+"2012-2015,2017,2019,2023\n"
+"Language-Team: Hebrew (http://app.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Personal info"
+msgstr "מידע אישי"
+
+msgid "Permissions"
+msgstr "הרשאות"
+
+msgid "Important dates"
+msgstr "תאריכים חשובים"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "הפריט %(name)s עם המפתח הראשי %(key)r אינו קיים."
+
+msgid "Password changed successfully."
+msgstr "הסיסמה שונתה בהצלחה."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "שינוי סיסמה: %s"
+
+msgid "Authentication and Authorization"
+msgstr "אימות והרשאות"
+
+msgid "password"
+msgstr "סיסמה"
+
+msgid "last login"
+msgstr "כניסה אחרונה"
+
+msgid "No password set."
+msgstr "לא נקבעה סיסמה."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "תחביר סיסמה בלתי-חוקי או אלגוריתם גיבוב לא ידוע."
+
+msgid "The two password fields didn’t match."
+msgstr "שני שדות הסיסמה אינם זהים."
+
+msgid "Password"
+msgstr "סיסמה"
+
+msgid "Password confirmation"
+msgstr "אימות סיסמה"
+
+msgid "Enter the same password as before, for verification."
+msgstr "יש להזין את אותה סיסמה כמו קודם, לאימות."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"הסיסמאות אינן נשמרות באופן חשוף, כך שאין דרך לראות את סיסמת המשתמש, אבל ניתן "
+"לשנות את הסיסמה בעזרת <a href=\"{}\">טופס זה</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"נא להזין  %(username)s וסיסמה נכונים. נא לשים לב כי שני השדות רגישים לאותיות "
+"גדולות/קטנות."
+
+msgid "This account is inactive."
+msgstr "חשבון זה אינו פעיל."
+
+msgid "Email"
+msgstr "דוא\"ל"
+
+msgid "New password"
+msgstr "סיסמה חדשה"
+
+msgid "New password confirmation"
+msgstr "אימות סיסמה חדשה"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "סיסמתך הישנה הוזנה בצורה שגויה. נא להזינה שוב."
+
+msgid "Old password"
+msgstr "סיסמה ישנה"
+
+msgid "Password (again)"
+msgstr "סיסמה (שוב)"
+
+msgid "algorithm"
+msgstr "אלגוריתם"
+
+msgid "iterations"
+msgstr "חזרות"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "גיבוב"
+
+msgid "variety"
+msgstr "מגוון"
+
+msgid "version"
+msgstr "גרסה"
+
+msgid "memory cost"
+msgstr "עלות זכרון"
+
+msgid "time cost"
+msgstr "עלות זמן"
+
+msgid "parallelism"
+msgstr "מקבילות"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "סיכום ביקורת"
+
+msgid "block size"
+msgstr "גודל בלוק"
+
+msgid "name"
+msgstr "שם"
+
+msgid "content type"
+msgstr "סוג תוכן"
+
+msgid "codename"
+msgstr "שם קוד"
+
+msgid "permission"
+msgstr "הרשאה"
+
+msgid "permissions"
+msgstr "הרשאות"
+
+msgid "group"
+msgstr "קבוצה"
+
+msgid "groups"
+msgstr "קבוצות"
+
+msgid "superuser status"
+msgstr "סטטוס משתמש על"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "מציין שלמשתמש זה יש את כל ההרשאות ללא הצורך המפורש בהענקתן."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"הקבוצות שמשתמש זה שייך אליהן. משתמש יקבל את כל ההרשאות המוקצות לכל אחת "
+"מהקבוצות שלו/שלה."
+
+msgid "user permissions"
+msgstr "הרשאות משתמש"
+
+msgid "Specific permissions for this user."
+msgstr "הרשאות ספציפיות למשתמש זה."
+
+msgid "username"
+msgstr "שם משתמש"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "שדה חובה. 150 תווים או פחות. אותיות, ספרות ו-@/./+/-/_ בלבד."
+
+msgid "A user with that username already exists."
+msgstr "משתמש עם שם משתמש זה קיים כבר"
+
+msgid "first name"
+msgstr "שם פרטי"
+
+msgid "last name"
+msgstr "שם משפחה"
+
+msgid "email address"
+msgstr "כתובת דוא\"ל"
+
+msgid "staff status"
+msgstr "סטטוס איש צוות"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "מציין האם המשתמש יכול להתחבר לאתר הניהול."
+
+msgid "active"
+msgstr "פעיל"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"מציין האם יש להתייחס למשתמש כפעיל. יש לבטל בחירה זו במקום למחוק חשבונות "
+"משתמשים."
+
+msgid "date joined"
+msgstr "תאריך הצטרפות"
+
+msgid "user"
+msgstr "משתמש"
+
+msgid "users"
+msgstr "משתמשים"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "סיסמה זו קצרה מדי. היא חייבת להכיל לפחות תו %(min_length)d."
+msgstr[1] "סיסמה זו קצרה מדי. היא חייבת להכיל לפחות %(min_length)d תווים."
+msgstr[2] "סיסמה זו קצרה מדי. היא חייבת להכיל לפחות %(min_length)d תווים."
+msgstr[3] "סיסמה זו קצרה מדי. היא חייבת להכיל לפחות %(min_length)d תווים."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "הסיסמה שלך חייבת להכיל לפחות תו %(min_length)d."
+msgstr[1] "הסיסמה שלך חייבת להכיל לפחות %(min_length)d תווים."
+msgstr[2] "הסיסמה שלך חייבת להכיל לפחות %(min_length)d תווים."
+msgstr[3] "הסיסמה שלך חייבת להכיל לפחות %(min_length)d תווים."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "סיסמה זו דומה מדי ל-%(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "הסיסמה שלך לא יכולה להיות דומה מדי למידע אישי אחר שלך."
+
+msgid "This password is too common."
+msgstr "סיסמה זו נפוצה מדי."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "הסיסמה שלך לא יכולה להיות סיסמה שכיחה."
+
+msgid "This password is entirely numeric."
+msgstr "סיסמה זו מכילה רק ספרות."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "הסיסמה שלך לא יכולה להכיל רק ספרות."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "החלפת הסיסמה ב-%(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"יש להזין שם משתמש חוקי. ערך זה יכול להכיל אותיות אנגליות, ספרות והתווים  @/./"
+"+/-/_ בלבד."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"יש להזין שם משתמש חוקי. ערך זה יכול להכיל אותיות, ספרות והתווים @/./+/-/_ "
+"בלבד."
+
+msgid "Logged out"
+msgstr "יצאת מהמערכת"
+
+msgid "Password reset"
+msgstr "איפוס סיסמה"
+
+msgid "Password reset sent"
+msgstr "איפוס הסיסמה נשלח."
+
+msgid "Enter new password"
+msgstr "הזנת סיסמה חדשה"
+
+msgid "Password reset unsuccessful"
+msgstr "איפוס הסיסמה נכשל"
+
+msgid "Password reset complete"
+msgstr "איפוס הסיסמה הושלם"
+
+msgid "Password change"
+msgstr "שינוי סיסמה"
+
+msgid "Password change successful"
+msgstr "הסיסמה שונתה בהצלחה"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8966d0c0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b6319856
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,290 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# alkuma <alok.kumar@gmail.com>, 2013
+# Chandan kumar <chandankumar.093047@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sandeep Satavlekar <sandysat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "व्यक्तिगत सूचना"
+
+msgid "Permissions"
+msgstr "अनुमतियाँ"
+
+msgid "Important dates"
+msgstr "महत्त्वपूर्ण तिथियाँ"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "शब्दकूट बदली कामयाब"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "शब्दकूट बदलें: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "शब्दकूट"
+
+msgid "last login"
+msgstr "पिछला लॉगिन"
+
+msgid "No password set."
+msgstr "कोई कूटशब्द नहीं।"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "अवैध कूटशब्द प्रारूप या अज्ञात द्रुतान्वेषण कलन विधि"
+
+msgid "The two password fields didn't match."
+msgstr "यह दो शब्दकूट क्षेत्रों का मेल नहीं होता "
+
+msgid "Password"
+msgstr "कूटशब्द"
+
+msgid "Password confirmation"
+msgstr "कूटशब्द पुष्टि"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr "कृपया सही %(username)s व कूटशब्द भरें। भरते समय लघु और दीर्घ अक्षरों का ध्यान रखें।"
+
+msgid "This account is inactive."
+msgstr "यस खाता सुस्त है"
+
+msgid "Email"
+msgstr "डाक पता"
+
+msgid "New password"
+msgstr "नया शब्दकूट"
+
+msgid "New password confirmation"
+msgstr "नया शब्दकूट पुष्टि"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "आपने पुराना शब्दकूट गलत दर्ज किया है । कृपया फिर से दर्ज करें"
+
+msgid "Old password"
+msgstr "पुराना शब्दकूट"
+
+msgid "Password (again)"
+msgstr "शब्दकूट (दुबारा)"
+
+msgid "algorithm"
+msgstr "अलगोरिथम"
+
+msgid "iterations"
+msgstr "पुनरूक्तियाँ"
+
+msgid "salt"
+msgstr "साल्ट"
+
+msgid "hash"
+msgstr "हैश"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "कार्य फ़ैक्टर"
+
+msgid "checksum"
+msgstr "चेकसम"
+
+msgid "name"
+msgstr "नाम"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "कोडनेम"
+
+msgid "permission"
+msgstr "अनुमति"
+
+msgid "permissions"
+msgstr "अनुमतियाँ"
+
+msgid "group"
+msgstr "वर्ग"
+
+msgid "groups"
+msgstr "वर्गों"
+
+msgid "superuser status"
+msgstr "सर्वोच्च प्रयोक्ता स्थिति"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"निर्दिष्ट करता है कि जो इस उपयोगकर्ता के पास सभी अनुमतियाँ उन्हें बिना बताए स्पष्ट रूप से "
+"निर्धारित है."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "प्रयोक्ता अनुमतियाँ"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "प्रयोक्ता नाम"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "इस नाम के साथ प्रवोक्ता अस्तित्व है"
+
+msgid "first name"
+msgstr "पहला नाम"
+
+msgid "last name"
+msgstr "आखिरी नाम"
+
+msgid "email address"
+msgstr "डाक पता"
+
+msgid "staff status"
+msgstr "कर्मचारी स्थिति"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "तय करता हैं की उपयोगकर्ता इस साईट प्रशासन में प्रवेश कर सकता हैं या नहीं |"
+
+msgid "active"
+msgstr "सक्रिय"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"निर्दिष्ट करता है कि क्या इस उपयोगकर्ता को सक्रिय माना जाना चाहिए.खातों को हटाने की  "
+"बजाय इस अचयनित करे."
+
+msgid "date joined"
+msgstr "तिथि भरती"
+
+msgid "user"
+msgstr "उपभोक्ता"
+
+msgid "users"
+msgstr "उपभोक्ताऐं"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s पर कूटशब्द को पुनःठीक करे"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "लाग्ड आउट "
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..706a16dc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f6711db4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,306 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bojan Mihelač <bmihelac@mihelac.org>, 2012
+# Davor Lučić <r.dav.lc@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2013,2015
+# Nino <ninonandroid@gmail.com>, 2013
+# senko <senko.rasic@dobarkod.hr>, 2012
+# zmasek <zlatko.masek@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Personal info"
+msgstr "Osobni podaci"
+
+msgid "Permissions"
+msgstr "Privilegije"
+
+msgid "Important dates"
+msgstr "Važni datumi"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Unos %(name)s sa primarnim ključem %(key)r ne postoji."
+
+msgid "Password changed successfully."
+msgstr "Lozinka uspješno promijenjena."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Promijeni lozinku: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "lozinka"
+
+msgid "last login"
+msgstr "posljednja prijava"
+
+msgid "No password set."
+msgstr "Lozinka nije postavljena."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Neispravan format lozinke ili nepoznati hashing algoritam."
+
+msgid "The two password fields didn't match."
+msgstr "Dva polja za lozinku nisu jednaka."
+
+msgid "Password"
+msgstr "Lozinka"
+
+msgid "Password confirmation"
+msgstr "Potvrda lozinke"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Unesite istu lozinku, za potvrdu."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Unesite ispravno %(username)s i lozinku. Imajte na umu da oba polja mogu "
+"biti velika i mala slova."
+
+msgid "This account is inactive."
+msgstr "Ovaj korisnički račun nije aktivan."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Nova lozinka"
+
+msgid "New password confirmation"
+msgstr "Potvrda nove lozinke"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Vaša stara lozinka je pogrešno unesena. Molim unesite ponovo."
+
+msgid "Old password"
+msgstr "Stara lozinka"
+
+msgid "Password (again)"
+msgstr "Lozinka (unesi ponovo)"
+
+msgid "algorithm"
+msgstr "algoritam"
+
+msgid "iterations"
+msgstr "iteracije"
+
+msgid "salt"
+msgstr "slučajna vrijednost"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "količina rada"
+
+msgid "checksum"
+msgstr "zbroj za provjeru"
+
+msgid "name"
+msgstr "ime"
+
+msgid "content type"
+msgstr "tip sadržaja"
+
+msgid "codename"
+msgstr "kodno ime"
+
+msgid "permission"
+msgstr "privilegija"
+
+msgid "permissions"
+msgstr "privilegije"
+
+msgid "group"
+msgstr "grupa"
+
+msgid "groups"
+msgstr "grupe"
+
+msgid "superuser status"
+msgstr "superuser status"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Određuje da ovaj korisnik ima sve privilegije te uklanja potrebu da se "
+"privilegije unose eksplicitno/ručno."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupe kojima ovaj korisnik pripada. Korisnik će imati sve privilegije grupa "
+"kojima pripada."
+
+msgid "user permissions"
+msgstr "privilegije korisnika"
+
+msgid "Specific permissions for this user."
+msgstr "Određene privilegije za korisnika."
+
+msgid "username"
+msgstr "korisničko ime"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Korisnik sa navedenim imenom već postoji."
+
+msgid "first name"
+msgstr "ime"
+
+msgid "last name"
+msgstr "prezime"
+
+msgid "email address"
+msgstr "e-mail adresa"
+
+msgid "staff status"
+msgstr "status osoblja"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Određuje može li se korisnik prijaviti na ove stranice administracije."
+
+msgid "active"
+msgstr "aktivan"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Određuje treba li se ovaj korisnik tretirati kao aktivan korisnik. Koristite "
+"ovu opciju umjesto brisanja korisničkih računa."
+
+msgid "date joined"
+msgstr "datum učlanjenja"
+
+msgid "user"
+msgstr "korisnik"
+
+msgid "users"
+msgstr "korisnici"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Lozinka nije dovoljno dugačka. Mora sadržavati minimalno %(min_length)d znak."
+msgstr[1] ""
+"Lozinka nije dovoljno dugačka. Mora sadržavati minimalno %(min_length)d "
+"znaka."
+msgstr[2] ""
+"Lozinka nije dovoljno dugačka. Mora sadržavati minimalno %(min_length)d "
+"znakova."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Lozinka mora sadržavati minimalno %(min_length)d znak."
+msgstr[1] "Lozinka mora sadržavati minimalno %(min_length)d znaka."
+msgstr[2] "Lozinka mora sadržavati minimalno %(min_length)d znakova."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr "Lozinka se u potpunosti sastoji od brojeva."
+
+msgid "Your password can't be entirely numeric."
+msgstr "Lozinka se ne smije u potpunosti sastojati od brojeva."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Resetiranje lozinke na %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Niste logirani"
+
+msgid "Password reset"
+msgstr "Resetiranje lozinke"
+
+msgid "Password reset sent"
+msgstr "Resetiranje lozinke poslano"
+
+msgid "Enter new password"
+msgstr "Unesite novu lozinku"
+
+msgid "Password reset unsuccessful"
+msgstr "Resetiranje lozinke neuspješno"
+
+msgid "Password reset complete"
+msgstr "Resetiranje lozinke završeno"
+
+msgid "Password change"
+msgstr "Promjena lozinke"
+
+msgid "Password change successful"
+msgstr "Promjena lozinke uspješna"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b76e7b4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1293c03b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,317 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016-2017,2019,2021,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>, "
+"2016-2017,2019,2021,2023\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "Personal info"
+msgstr "Wosobinske informacije"
+
+msgid "Permissions"
+msgstr "Prawa"
+
+msgid "Important dates"
+msgstr "Wažne daty"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Objekt %(name)s z primarnym klučom %(key)r njeeksistuje."
+
+msgid "Password changed successfully."
+msgstr "Hesło je so wuspěšnje změniło."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Hesło změnić: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Awtentifikacija a awtorizacija"
+
+msgid "password"
+msgstr "hesło"
+
+msgid "last login"
+msgstr "poslednje přizjewjenje"
+
+msgid "No password set."
+msgstr "Žane hesło nastajene."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Njepłaćiwy hesłowy format abo njeznaty kontrolny algoritmus."
+
+msgid "The two password fields didn’t match."
+msgstr "Dwě heslowej poli sej njewotpowědujetej."
+
+msgid "Password"
+msgstr "Hesło"
+
+msgid "Password confirmation"
+msgstr "Hesłowe wobkrućenje"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Zapodajće samsne hesło kaž do toho, za přepruwowanje."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Hrube hesła so njeskładuja, tohodla njeda so hesło tutoho wužwarja widźeć, "
+"ale móžeće hesło z pomocu <a href=\"{}\">tutoho formulara</a> změnić. "
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Prošu zapodajće korektne %(username)s a hesło. Dźiwajće na to, zo wobě poli "
+"móžetej mjez wulko- a małopisanjom rozeznawać."
+
+msgid "This account is inactive."
+msgstr "Tute konto je inaktiwne."
+
+msgid "Email"
+msgstr "E-mejl"
+
+msgid "New password"
+msgstr "Nowe hesło"
+
+msgid "New password confirmation"
+msgstr "Wobkrućenje noweho hesła"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Waše stare hesło je so wopak zapodało. Prošu zapodajće jo hišće raz."
+
+msgid "Old password"
+msgstr "Stare hesło"
+
+msgid "Password (again)"
+msgstr "Hesło (znowa)"
+
+msgid "algorithm"
+msgstr "algoritmus"
+
+msgid "iterations"
+msgstr "wospjetowanja"
+
+msgid "salt"
+msgstr "sól"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "warianta"
+
+msgid "version"
+msgstr "wersija"
+
+msgid "memory cost"
+msgstr "Składowa přetrjeba"
+
+msgid "time cost"
+msgstr "Časowa přetrjeba"
+
+msgid "parallelism"
+msgstr "paralelizm"
+
+msgid "work factor"
+msgstr "dźěłowy faktor"
+
+msgid "checksum"
+msgstr "pruwowanska suma"
+
+msgid "block size"
+msgstr "blokowa wulkosć"
+
+msgid "name"
+msgstr "mjeno"
+
+msgid "content type"
+msgstr "wobsahowy typ"
+
+msgid "codename"
+msgstr "kodowe mjeno"
+
+msgid "permission"
+msgstr "prawo"
+
+msgid "permissions"
+msgstr "prawa"
+
+msgid "group"
+msgstr "skupina"
+
+msgid "groups"
+msgstr "skupiny"
+
+msgid "superuser status"
+msgstr "status superwužiwarja"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Woznamjenja, zo tutón wužiwar ma wšě prawa bjez toho, zo by móhł je "
+"eksplicitnje připokazać."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Skupiny, ke kotrymž wužiwar słuša. Wužiwar dóstanje wšě prawa, kotrež jemu "
+"skupiny dawaja."
+
+msgid "user permissions"
+msgstr "wužiwarske prawa"
+
+msgid "Specific permissions for this user."
+msgstr "Wěste prawa za tutoho wužiwarja."
+
+msgid "username"
+msgstr "wužiwarske mjeno"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Trěbne. 150 znamješkow abo mjenje. Jenož pismiki, cyfry a @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Wužiwar z tutym mjenom hižo eksistuje."
+
+msgid "first name"
+msgstr "předmjeno"
+
+msgid "last name"
+msgstr "swójbne mjeno"
+
+msgid "email address"
+msgstr "e-mejlowa adresa"
+
+msgid "staff status"
+msgstr "personalny status"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Woznamjenja, hač wužiwar móže so pola administratoroweho sydła přizjewić."
+
+msgid "active"
+msgstr "aktiwny"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Woznamjenja, hač maja z wužiwarjom jako aktiwnym wobchadźeć. Znjemóžńće to "
+"město toho, zo byšće konto zhašał."
+
+msgid "date joined"
+msgstr "čłon wot"
+
+msgid "user"
+msgstr "wužiwar"
+
+msgid "users"
+msgstr "wužiwarjo"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Tute hesło je překrótke. Dyrbi znajmjeńša %(min_length)d znamješko "
+"wobsahować."
+msgstr[1] ""
+"Tute hesło je překrótke. Dyrbi znajmjeńša %(min_length)d znamješce "
+"wobsahować."
+msgstr[2] ""
+"Tute hesło je překrótke. Dyrbi znajmjeńša %(min_length)d znamješka "
+"wobsahować."
+msgstr[3] ""
+"Tute hesło je překrótke. Dyrbi znajmjeńša %(min_length)d znamješkow "
+"wobsahować."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Waše hesło dyrbi znajmjeńša %(min_length)d znamješko měć."
+msgstr[1] "Waše hesło dyrbi znajmjeńša %(min_length)d znamješce měć."
+msgstr[2] "Waše hesło dyrbi znajmjeńša %(min_length)d znamješka měć."
+msgstr[3] "Waše hesło dyrbi znajmjeńša %(min_length)d znamješkow měć."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Hesło je na %(verbose_name)s přepodobne."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Waše hesło njemóže na waše druhe wosobinske informacije podobne być."
+
+msgid "This password is too common."
+msgstr "Tute hesło je přehuste,"
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Waše hesło njemóže husto wužwane hesło być."
+
+msgid "This password is entirely numeric."
+msgstr "Tute hesło je cyle numeriske."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Waše hesło njemóže cyle numeriske być."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Hesło je so na %(site_name)s wróćo stajiło."
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Zapodajće płaćiwe wužiwarske mjeno. Tuta hódnota smě jenož małopismiki bjez "
+"diakritiskich znamješkow a-z a wulkopismiki A-Z, ličby a znamješka @/./+/-/_ "
+"wobsahować."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Zapodajće płaćiwe wužiwarske mjeno. Tuta hódnota smě jenož pismiki, ličby a "
+"znamješka @/./+/-/_ wobsahować."
+
+msgid "Logged out"
+msgstr "Wotzjewjeny"
+
+msgid "Password reset"
+msgstr "Wróćostajenje hesła"
+
+msgid "Password reset sent"
+msgstr "Wróćostajenje hesła jo se wotpósłało."
+
+msgid "Enter new password"
+msgstr "Zapodajće nowe hesło"
+
+msgid "Password reset unsuccessful"
+msgstr "Wróćostajenje hesła njeje so poradźiło"
+
+msgid "Password reset complete"
+msgstr "Wróćostajenje hesła je zakónčene"
+
+msgid "Password change"
+msgstr "Změnjenje hesła"
+
+msgid "Password change successful"
+msgstr "Hesło je so wuspěšnje změniło"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5ee4b6f9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ccfdcf37
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,312 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016-2017
+# Balázs R, 2023
+# Istvan Farkas <istvan.farkas@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# János R, 2014
+# Szilveszter Farkas <szilveszter.farkas@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Balázs R, 2023\n"
+"Language-Team: Hungarian (http://app.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Személyes információ"
+
+msgid "Permissions"
+msgstr "Jogosultságok"
+
+msgid "Important dates"
+msgstr "Fontos dátumok"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s objektum %(key)r elsődleges kulccsal nem létezik."
+
+msgid "Password changed successfully."
+msgstr "Sikeres jelszóváltoztatás."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Jelszó megváltoztatása: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Hitelesítés és engedélyezés"
+
+msgid "password"
+msgstr "jelszó"
+
+msgid "last login"
+msgstr "utolsó bejelentkezés"
+
+msgid "No password set."
+msgstr "Nincs jelszó beállítva."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Érvénytelen jelszóformátum vagy ismeretlen hash-algoritmus."
+
+msgid "The two password fields didn’t match."
+msgstr "A beírt két jelszó nem egyezik."
+
+msgid "Password"
+msgstr "Jelszó"
+
+msgid "Password confirmation"
+msgstr "Jelszó megerősítése"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Írja be az előbb megadott jelszót, ellenőrzés céljából."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"A jelszavakat olvasható formában nem tároljuk, így egy felhasználó jelszavát "
+"nem lehet mgnézni, de át lehet állítani <a href=\"{}\">ezzel az űrlappal</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Írjon be egy helyes %(username)s és jelszót. Mindkét mező kisbetű-nagybetű "
+"érzékeny lehet."
+
+msgid "This account is inactive."
+msgstr "Ez a fiók inaktív."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Új jelszó"
+
+msgid "New password confirmation"
+msgstr "Új jelszó megerősítése"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "A régi jelszó hibásan lett megadva. Írja be újra."
+
+msgid "Old password"
+msgstr "Régi jelszó"
+
+msgid "Password (again)"
+msgstr "Jelszó újra"
+
+msgid "algorithm"
+msgstr "algoritmus"
+
+msgid "iterations"
+msgstr "iterációk"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "változat"
+
+msgid "version"
+msgstr "verzió"
+
+msgid "memory cost"
+msgstr "memória költség"
+
+msgid "time cost"
+msgstr "idő költség"
+
+msgid "parallelism"
+msgstr "párhuzamosság"
+
+msgid "work factor"
+msgstr "erősség"
+
+msgid "checksum"
+msgstr "ellenőrző összeg"
+
+msgid "block size"
+msgstr "blokk méret"
+
+msgid "name"
+msgstr "név"
+
+msgid "content type"
+msgstr "tartalom típusa"
+
+msgid "codename"
+msgstr "kódnév"
+
+msgid "permission"
+msgstr "jogosultság"
+
+msgid "permissions"
+msgstr "jogosultságok"
+
+msgid "group"
+msgstr "csoport"
+
+msgid "groups"
+msgstr "csoportok"
+
+msgid "superuser status"
+msgstr "rendszergazda státusz"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Megadja, hogy ez a felhasználó rendelkezik-e minden jogosultsággal anélkül, "
+"hogy azt külön meg kellene adni."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"A csoportok, amelyekhez a felhasználó tartozik. A felhasználó minden egyes "
+"csoportja jogosultságaival rendelkezni fog."
+
+msgid "user permissions"
+msgstr "felhasználói jogosultságok"
+
+msgid "Specific permissions for this user."
+msgstr "A felhasználó egyedi jogosultságai."
+
+msgid "username"
+msgstr "felhasználónév"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Kötelező. Legfeljebb 150 karakter. Betűk, számok és @/./+/-/_ karakterek."
+
+msgid "A user with that username already exists."
+msgstr "Létezik már egy felhasználó ezzel a névvel."
+
+msgid "first name"
+msgstr "keresztnév"
+
+msgid "last name"
+msgstr "vezetéknév"
+
+msgid "email address"
+msgstr "e-mail cím"
+
+msgid "staff status"
+msgstr "személyzet státusz"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Megadja, hogy a felhasználó bejelentkezhet-e erre az adminisztrációs oldalra."
+
+msgid "active"
+msgstr "aktív"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Megadja, hogy a felhasználó aktív-e. Állítsa át ezt az értéket a fiók "
+"törlése helyett."
+
+msgid "date joined"
+msgstr "csatlakozás dátuma"
+
+msgid "user"
+msgstr "felhasználó"
+
+msgid "users"
+msgstr "felhasználók"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Ez a jelszó túl rövid. Legalább %(min_length)d karakter hosszú legyen."
+msgstr[1] ""
+"Ez a jelszó túl rövid. Legalább %(min_length)d karakter hosszú legyen."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"A jelszavának legalább %(min_length)d karakter hosszúnak kell lennie."
+msgstr[1] ""
+"A jelszavának legalább %(min_length)d karakter hosszúnak kell lennie."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "A jelszava túlságosan hasonlít a következőhöz: %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "A jelszó nem lehet hasonló a személyes adatok egyikéhez sem."
+
+msgid "This password is too common."
+msgstr "Ez a jelszó túlságosan gyakori."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "A jelszó nem lehet a túl gyakran használt jelszavak közül."
+
+msgid "This password is entirely numeric."
+msgstr "A jelszava kizárólag számjegyekből áll."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "A jelszó nem állhat csak számjegyekből."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Jelszó újragenerálása ezen az oldalon: %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Írjon be egy érvényes felhasználónevet, mely csak ékezetmentes betűket, "
+"számokat és @/./+/-/_ karaktereket tartalmazhat."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Írjon be egy érvényes felhasználónevet, mely csak betűket, számokat és @/./"
+"+/-/_ karaktereket tartalmazhat."
+
+msgid "Logged out"
+msgstr "Kijelentkezve"
+
+msgid "Password reset"
+msgstr "Jelszó újragenerálása"
+
+msgid "Password reset sent"
+msgstr "Jelszó beállítás infók elküldve"
+
+msgid "Enter new password"
+msgstr "Írja be az új jelszavát"
+
+msgid "Password reset unsuccessful"
+msgstr "Jelszó beállítása sikertelen"
+
+msgid "Password reset complete"
+msgstr "Jelszó beállítása kész"
+
+msgid "Password change"
+msgstr "Jelszó megváltoztatása"
+
+msgid "Password change successful"
+msgstr "Sikeres jelszóváltoztatás"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9ca530ae
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f4c97179
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,295 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ruben Harutyunov <rharutyunov@mail.ru>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2018-11-11 20:11+0000\n"
+"Last-Translator: Ruben Harutyunov <rharutyunov@mail.ru>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Անձնական տվյալներ"
+
+msgid "Permissions"
+msgstr "Իրավունքներ"
+
+msgid "Important dates"
+msgstr "Կարևոր ամսաթվեր"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(key)r հիմնական բանալով %(name)s օբյեկտ գոյություն չունի։"
+
+msgid "Password changed successfully."
+msgstr "Գաղտնաբառը հաջողությամբ փոխվեց։"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Փոխել գաղտնաբառը․ %s"
+
+msgid "Authentication and Authorization"
+msgstr "Նույնականացում և Լիազորում"
+
+msgid "password"
+msgstr "գաղտնաբառ"
+
+msgid "last login"
+msgstr "վերջին մուտք"
+
+msgid "No password set."
+msgstr "Գաղտնաբառը նշված չէ։"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Գաղտնաբառի սխալ ֆորմատ, կամ անհայտ հեշավորման ալգորիթմ։"
+
+msgid "The two password fields didn't match."
+msgstr "Երկու գաղտնաբառերը չեն համապատասխանում իրար։"
+
+msgid "Password"
+msgstr "Գաղտնաբառ"
+
+msgid "Password confirmation"
+msgstr "Գաղտնաբառը նորից"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Մուտքագրեք հին գաղտնաբառը, ստուգման համար։"
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Մուտքագրեք ճիշտ %(username)s և գաղտնաբառ։ Երկու դաշտերն էլ տառաշարազգայուն "
+"են։"
+
+msgid "This account is inactive."
+msgstr "Այս օգտագործողը ակտիվ չէ։"
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Նոր գաղտնաբառ"
+
+msgid "New password confirmation"
+msgstr "Նոր գաղտնաբառը նորից"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Հին գաղտնաբառը սխալ է։ Մուտքագրեք նորից։"
+
+msgid "Old password"
+msgstr "Հին գաղտնաբառ"
+
+msgid "Password (again)"
+msgstr "Գաղտնաբառ (նորից)"
+
+msgid "algorithm"
+msgstr "ալգորիթմ"
+
+msgid "iterations"
+msgstr "իտերացիաներ"
+
+msgid "salt"
+msgstr "աղ"
+
+msgid "hash"
+msgstr "հեշ"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr "տևողություն"
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "աշխատանքային ֆակտոր"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "name"
+msgstr "անուն"
+
+msgid "content type"
+msgstr "պարունակության տիպ"
+
+msgid "codename"
+msgstr "կոդային անուն"
+
+msgid "permission"
+msgstr "իրավունքնե"
+
+msgid "permissions"
+msgstr "իրավունքներ"
+
+msgid "group"
+msgstr "խումբ"
+
+msgid "groups"
+msgstr "խմբեր"
+
+msgid "superuser status"
+msgstr "սուպերօգտագործողի կարգավիճակ"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Ցույց է տալիս, որ օգտագործողը ունի բոլոր իրավունքները, առանց նրանց նշման։"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Խումբը, որին պատկանում է օգտագործողը։ Օգտագործողը ստանում է իր խմբին տրված "
+"բոլոր իրավունքները։"
+
+msgid "user permissions"
+msgstr "օգտագործողի իրավունքները"
+
+msgid "Specific permissions for this user."
+msgstr "Օգտագործողի հատուկ իրավունքները։"
+
+msgid "username"
+msgstr "օգտագործողի անուն"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Այդ անունով օգտագործող արդեն գոյություն ունի։"
+
+msgid "first name"
+msgstr "անուն"
+
+msgid "last name"
+msgstr "ազգանուն"
+
+msgid "email address"
+msgstr "email հասցե"
+
+msgid "staff status"
+msgstr "անձնակազմի կարգավիճակ"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Ցույց է տալիս, թե արդյոք օգտագործողը կարոզ է մուտք գործել ադմինիստրավորման "
+"բաժին։"
+
+msgid "active"
+msgstr "ակտիվ"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Ցույց է տալիս, թե արդյոք օգտագործողին կարելի է համարել ակտիվ։ Ապընտրեք, "
+"օգտագործողին հեռացնելու փոխարեն։"
+
+msgid "date joined"
+msgstr "միացել է"
+
+msgid "user"
+msgstr "օգտագործող"
+
+msgid "users"
+msgstr "օգտագործողներ"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Գաղտնաբառը շատ կարճ է։ Այն պետք է պարունակի ամենաքիչը %(min_length)d նիշ։"
+msgstr[1] ""
+"Գաղտնաբառը շատ կարճ է։ Այն պետք է պարունակի ամենաքիչը %(min_length)d նիշ։"
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Գաղտնաբառը պետք է պարունակի ամենաքիչը %(min_length)d նիշ։"
+msgstr[1] "Գաղտնաբառը  պետք է պարունակի ամենաքիչը %(min_length)d նիշ։"
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Գաղտնաբառը շատ նման է %(verbose_name)s֊ին։"
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr "Գաղտնաբառը չի կարող շատ նման լինել ձեր անձնական ինֆորմացիային։"
+
+msgid "This password is too common."
+msgstr "Գաղտնաբառը շատ տարածված է։"
+
+msgid "Your password can't be a commonly used password."
+msgstr "Գաղտնաբառը չպետք է լինի տարածված գաղտնաբառերից մեկը։"
+
+msgid "This password is entirely numeric."
+msgstr "Գաղտնաբառը բաղկացած է միայն թվերից։"
+
+msgid "Your password can't be entirely numeric."
+msgstr "Գաղտնաբառը չպետք է բաղկացած լինի միայն թվերից։"
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Գաղտնաբառի փոփոխում %(site_name)s կայքում։"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Դուք դուրս եք եկել"
+
+msgid "Password reset"
+msgstr "Գաղտնաբառի փոփոխում"
+
+msgid "Password reset sent"
+msgstr "Գաղտնաբառի փոփոխման հղումն ուղարկված է"
+
+msgid "Enter new password"
+msgstr "Մուտքագրեք նոր գաղտնաբառը"
+
+msgid "Password reset unsuccessful"
+msgstr "Գաղտնաբառի փոփոխումը չի ավարտվել հաջողությամբ"
+
+msgid "Password reset complete"
+msgstr "Գաղտնաբառի փոփոխումը ավարտված է"
+
+msgid "Password change"
+msgstr "Գաղտնաբառի փոփոխում"
+
+msgid "Password change successful"
+msgstr "Գաղտնաբառի փոփոխումը ավարտվել է հաջողությամբ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4566c4b3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..16eeda86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,310 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2012,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-09-22 09:22+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Information personal"
+
+msgid "Permissions"
+msgstr "Permissiones"
+
+msgid "Important dates"
+msgstr "Datas importante"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Le objecto %(name)s con le clave primari %(key)r non existe."
+
+msgid "Password changed successfully."
+msgstr "Le cambio del contrasigno ha succedite."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Cambia contrasigno: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Authentication e autorisation"
+
+msgid "password"
+msgstr "contrasigno"
+
+msgid "last login"
+msgstr "ultime session"
+
+msgid "No password set."
+msgstr "Nulle contrasigno definite."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"Le formato del contrasigno es invalide o le algorithmo de hash es incognite."
+
+msgid "The two password fields didn’t match."
+msgstr "Le duo campos de contrasigno non es identic."
+
+msgid "Password"
+msgstr "Contrasigno"
+
+msgid "Password confirmation"
+msgstr "Confirma contrasigno"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Scribe le mesme contrasigno que antea, pro verification."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Le contrasignos non es immagazinate in forma de texto simple, dunque il non "
+"es possibile vider le contrasigno de iste usator, ma tu pote cambiar le "
+"contrasigno con <a href=\"{}\">iste formulario</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Per favor entra un %(username)s e contrasigno correcte. Nota que ambe campos "
+"pote distinguer inter majusculas e minusculas."
+
+msgid "This account is inactive."
+msgstr "Iste conto es inactive."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Nove contrasigno"
+
+msgid "New password confirmation"
+msgstr "Confirma nove contrasigno"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Le ancian contrasigno non es correcte. Per favor scribe lo de novo."
+
+msgid "Old password"
+msgstr "Ancian contrasigno"
+
+msgid "Password (again)"
+msgstr "Contrasigno (de novo)"
+
+msgid "algorithm"
+msgstr "algorithmo"
+
+msgid "iterations"
+msgstr "iterationes"
+
+msgid "salt"
+msgstr "sal"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "varietate"
+
+msgid "version"
+msgstr "version"
+
+msgid "memory cost"
+msgstr "costo de memoria"
+
+msgid "time cost"
+msgstr "costo de tempore"
+
+msgid "parallelism"
+msgstr "parallelismo"
+
+msgid "work factor"
+msgstr "factor de labor"
+
+msgid "checksum"
+msgstr "summa de controlo"
+
+msgid "block size"
+msgstr ""
+
+msgid "name"
+msgstr "nomine"
+
+msgid "content type"
+msgstr "typo de contento"
+
+msgid "codename"
+msgstr "nomine de codice"
+
+msgid "permission"
+msgstr "permission"
+
+msgid "permissions"
+msgstr "permissiones"
+
+msgid "group"
+msgstr "gruppo"
+
+msgid "groups"
+msgstr "gruppos"
+
+msgid "superuser status"
+msgstr "stato de superusator"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que iste usator ha tote le permissiones sin assignar los "
+"explicitemente."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Le gruppos al quales iste usator pertine. Un usator recipe tote le "
+"permissiones concedite a cata un de su gruppos."
+
+msgid "user permissions"
+msgstr "permissiones de usator"
+
+msgid "Specific permissions for this user."
+msgstr "Permissiones specific pro iste usator."
+
+msgid "username"
+msgstr "nomine de usator"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Obligatori. 150 characteres o minus. Litteras, cifras e @/./+/-/_ solmente."
+
+msgid "A user with that username already exists."
+msgstr "Un usator con iste nomine de usator jam existe."
+
+msgid "first name"
+msgstr "prenomine"
+
+msgid "last name"
+msgstr "nomine de familia"
+
+msgid "email address"
+msgstr "adresse de e-mail"
+
+msgid "staff status"
+msgstr "stato de personal"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica si le usator pote aperir session in iste sito administrative."
+
+msgid "active"
+msgstr "active"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indica si iste usator debe esser tractate como active. Dismarca isto in vice "
+"de deler contos."
+
+msgid "date joined"
+msgstr "data de inscription"
+
+msgid "user"
+msgstr "usator"
+
+msgid "users"
+msgstr "usatores"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Le contrasigno es troppo curte. Debe continer al minus %(min_length)d "
+"character."
+msgstr[1] ""
+"Le contrasigno es troppo curte. Debe continer al minus %(min_length)d "
+"characteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Le contrasigno debe continer al minus %(min_length)d character."
+msgstr[1] "Le contrasigno debe continer al minus %(min_length)d characteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Le contrasigno es troppo simile al %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Le contrasigno non pote esser troppo similar a tu altere informationes "
+"personal."
+
+msgid "This password is too common."
+msgstr "Iste contrasigno es troppo commun."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Le contrasigno non pote esser un contrasigno communmente usate."
+
+msgid "This password is entirely numeric."
+msgstr "Iste contrasigno es toto numeric."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Le contrasigno non pote esser toto numeric."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Reinitialisation del contrasigno in %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Entra un nomine de usator valide. Pote continer solmente litteras anglese, "
+"numeros e le characteres @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Entra un nomine de usator valide. Pote continer solmente litteras, numeros e "
+"le characteres @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Session claudite"
+
+msgid "Password reset"
+msgstr "Reinitialisation del contrasigno"
+
+msgid "Password reset sent"
+msgstr "Reinitialisation del contrasigno inviate"
+
+msgid "Enter new password"
+msgstr "Scribe nove contrasigno"
+
+msgid "Password reset unsuccessful"
+msgstr "Reinitialisation de contrasigno fallite"
+
+msgid "Password reset complete"
+msgstr "Contrasigno reinitialisate con successo"
+
+msgid "Password change"
+msgstr "Cambio de contrasigno"
+
+msgid "Password change successful"
+msgstr "Contrasigno cambiate con successo"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f74e3d6c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..22e62aa0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,307 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2015-2016,2018,2020-2021,2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# oon arfiandwi (OonID) <oon.arfiandwi@gmail.com>, 2016
+# rodin <romihardiyanto@gmail.com>, 2011,2013
+# rodin <romihardiyanto@gmail.com>, 2013-2016
+# sag᠎e <laymonage@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Fery Setiawan <gembelweb@gmail.com>, "
+"2015-2016,2018,2020-2021,2023\n"
+"Language-Team: Indonesian (http://app.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "Informasi pribadi"
+
+msgid "Permissions"
+msgstr "Hak akses"
+
+msgid "Important dates"
+msgstr "Tanggal penting"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Objek %(name)s dengan primary key %(key)r tidak ditemukan."
+
+msgid "Password changed successfully."
+msgstr "Sandi berhasil diubah."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Ganti sandi: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentikasi dan Otorisasi"
+
+msgid "password"
+msgstr "sandi"
+
+msgid "last login"
+msgstr "masuk terakhir"
+
+msgid "No password set."
+msgstr "Belum ada sandi yang disetel."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Format sandi tidak valid atau algoritma hash yang tidak dikenal."
+
+msgid "The two password fields didn’t match."
+msgstr "Dua bidang sandi tidak cocok."
+
+msgid "Password"
+msgstr "Sandi"
+
+msgid "Password confirmation"
+msgstr "Konfirmasi sandi"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Masukkan sandi yang sama seperti sebelumnya, untuk verifikasi."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Sandi mentah tidak disimpan, jadi tidak ada cara melihat sandi pengguna ini, "
+"tetapi anda dapat merubah sandi menggunakan <a href=\"{}\">formulir ini</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Masukkan nama pengguna %(username)s dan sandi yang benar. Huruf besar/kecil "
+"pada bidang ini berpengaruh."
+
+msgid "This account is inactive."
+msgstr "Akun ini tidak aktif."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Sandi baru"
+
+msgid "New password confirmation"
+msgstr "Konfirmasi sandi baru"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Sandi lama Anda yang dimasukkan salah. Masukkan sekali lagi."
+
+msgid "Old password"
+msgstr "Sandi lama"
+
+msgid "Password (again)"
+msgstr "Sandi (ulangi)"
+
+msgid "algorithm"
+msgstr "algoritme"
+
+msgid "iterations"
+msgstr "iterasi"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "keanekaragaman"
+
+msgid "version"
+msgstr "versi"
+
+msgid "memory cost"
+msgstr "biaya memori"
+
+msgid "time cost"
+msgstr "biaya waktu"
+
+msgid "parallelism"
+msgstr "sifat paralel"
+
+msgid "work factor"
+msgstr "faktor kerja"
+
+msgid "checksum"
+msgstr "ceksum"
+
+msgid "block size"
+msgstr "ukuran blok"
+
+msgid "name"
+msgstr "nama"
+
+msgid "content type"
+msgstr "jenis isi"
+
+msgid "codename"
+msgstr "namasandi"
+
+msgid "permission"
+msgstr "hak akses"
+
+msgid "permissions"
+msgstr "hak akses"
+
+msgid "group"
+msgstr "grup"
+
+msgid "groups"
+msgstr "grup"
+
+msgid "superuser status"
+msgstr "status superuser"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Menentukan apakah pengguna memiliki semua hak akses tanpa perlu diberikan "
+"secara manual."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grup tempat pengguna ini dikelompokkan. Pengguna akan mendapatkan semua hak "
+"akses yang diberikan pada grup mereka."
+
+msgid "user permissions"
+msgstr "hak akses pengguna"
+
+msgid "Specific permissions for this user."
+msgstr "Hak akses khusus untuk pengguna ini."
+
+msgid "username"
+msgstr "nama pengguna"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Wajib. 150 karakter atau sedikit. Hanya huruf, angka, dan @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Seorang pengguna dengan nama pengguna tersebut sudah ada."
+
+msgid "first name"
+msgstr "nama depan"
+
+msgid "last name"
+msgstr "nama belakang"
+
+msgid "email address"
+msgstr "alamat email"
+
+msgid "staff status"
+msgstr "status staf"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Menentukan apakah pengguna berhak masuk ke situs administrasi ini."
+
+msgid "active"
+msgstr "aktif"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Menentukan apakah pengguna dianggap aktif. Hapus pilihan ini tanpa perlu "
+"menghapus akunnya."
+
+msgid "date joined"
+msgstr "tanggal daftar"
+
+msgid "user"
+msgstr "pengguna"
+
+msgid "users"
+msgstr "pengguna"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Kata sandi terlalu singkat. Kata sandi harus memuat setidaknya "
+"%(min_length)d karakter."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Kata sandi Anda harus memuat setidaknya %(min_length)d karakter."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Kata sandi terlalu mirip dengan %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Sandi anda tidak dapat terlalu mirip terhadap informasi pribadi anda."
+
+msgid "This password is too common."
+msgstr "Kata sandi ini terlalu umum."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Sandi anda tidak dapat berupa sandi umum digunakan."
+
+msgid "This password is entirely numeric."
+msgstr "Kata sandi ini seluruhnya terdiri dari angka."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Sandi anda tidak bisa sepenuhnya numerik."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Penyetelan ulang sandi di %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Masukkan nama pengguna sah. Nilai ini mungkin menggandung tanpa tekanan "
+"huruf kecil a-z dan huruf besar A-Z, angka dan karakter @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Masukkan nama pengguna valid. Nilai ini hanya boleh mengandung karakter, "
+"angka, dan karakter @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Keluar"
+
+msgid "Password reset"
+msgstr "Setel ulang sandi"
+
+msgid "Password reset sent"
+msgstr "Penyetelan ulang kata sandi telah dikirim"
+
+msgid "Enter new password"
+msgstr "Masukkan sandi baru"
+
+msgid "Password reset unsuccessful"
+msgstr "Penyetelan ulang sandi gagal"
+
+msgid "Password reset complete"
+msgstr "Penyetelan ulang sandi selesai"
+
+msgid "Password change"
+msgstr "Ubah sandi"
+
+msgid "Password change successful"
+msgstr "Pengubahan sandi berhasil"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1e0a1631
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..031f2c48
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,226 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 10:30+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/projects/p/django/language/"
+"io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr ""
+
+msgid "Permissions"
+msgstr ""
+
+msgid "Important dates"
+msgstr ""
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr ""
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as above, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"password/\">this "
+"form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr ""
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr ""
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr ""
+
+msgid "groups"
+msgstr ""
+
+msgid "password"
+msgstr ""
+
+msgid "last login"
+msgstr ""
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers and @/./"
+"+/-/_ characters."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr ""
+
+msgid "users"
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..57229a4d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a0dff943
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,307 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hafsteinn Einarsson <haffi67@gmail.com>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Logi Ragnarsson <logi@belgingur.is>, 2012
+# Thordur Sigurdsson <thordur@ja.is>, 2016-2017,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-20 05:04+0000\n"
+"Last-Translator: Thordur Sigurdsson <thordur@ja.is>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Personal info"
+msgstr "Persónuupplýsingar"
+
+msgid "Permissions"
+msgstr "Réttindi"
+
+msgid "Important dates"
+msgstr "Mikilvægar dagsetningar"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s hlutur með lykilinn %(key)r er ekki til."
+
+msgid "Password changed successfully."
+msgstr "Breyting á lykilorði tókst."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Breyta lykilorði: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Auðkenning og réttindi"
+
+msgid "password"
+msgstr "lykilorð"
+
+msgid "last login"
+msgstr "síðasta innskráning"
+
+msgid "No password set."
+msgstr "Ekkert lykilorð skráð."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ógilt snið á lykilorði eða óþekkt hökkunaralgrím."
+
+msgid "The two password fields didn’t match."
+msgstr "Lykilorðin tvö pössuðu ekki saman."
+
+msgid "Password"
+msgstr "Lykilorð"
+
+msgid "Password confirmation"
+msgstr "Staðfesting lykilorðs"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Settu inn sama lykilorð og áður til staðfestingar."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Lykilorð eru aðeins geymd dulkóðuð, svo ekki er hægt að sjá lykilorð þessa "
+"notanda, en þú getur breytt lykilorðinu með <a href=\"{}\">þessu eyðublaði</"
+"a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Vinsamlegast sláðu inn rétt %(username)s og lykilorð. Takið eftir að í báðum "
+"reitum skipta há- og lágstafir máli."
+
+msgid "This account is inactive."
+msgstr "Þessi reikningur er óvirkur."
+
+msgid "Email"
+msgstr "Netfang"
+
+msgid "New password"
+msgstr "Nýtt lykilorð"
+
+msgid "New password confirmation"
+msgstr "Nýtt lykilorð (endurtekið)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Gamla lykilorðið var vitlaust. Vinsamlegast reyndu aftur."
+
+msgid "Old password"
+msgstr "Gamalt lykilorð"
+
+msgid "Password (again)"
+msgstr "Lykilorð (aftur)"
+
+msgid "algorithm"
+msgstr "algrím"
+
+msgid "iterations"
+msgstr "ítranir"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hashtafla"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr "útgáfa"
+
+msgid "memory cost"
+msgstr "minnisnotkun"
+
+msgid "time cost"
+msgstr "tímalengd"
+
+msgid "parallelism"
+msgstr "samhliða vinnsla"
+
+msgid "work factor"
+msgstr "vinnustuðull"
+
+msgid "checksum"
+msgstr "varsumma"
+
+msgid "name"
+msgstr "nafn"
+
+msgid "content type"
+msgstr "efnistag"
+
+msgid "codename"
+msgstr "vinnuheiti"
+
+msgid "permission"
+msgstr "réttindi"
+
+msgid "permissions"
+msgstr "réttindi"
+
+msgid "group"
+msgstr "hópur"
+
+msgid "groups"
+msgstr "hópar"
+
+msgid "superuser status"
+msgstr "staða ofurnotanda"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Til marks um að notandinn hafi öll réttindi án þess að taka þau sérstaklega "
+"fram."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Hópar sem þessi notandi tilheyrir. Notandi fær allan aðgangsrétt sem fylgir "
+"hverjum hóp sem hann/hún er skráð(ur) í."
+
+msgid "user permissions"
+msgstr "réttindi"
+
+msgid "Specific permissions for this user."
+msgstr "Sértæk réttindi fyrir þennan notanda."
+
+msgid "username"
+msgstr "notandanafn"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Nauðsynlegt að fylla út. 150 stafir eða færri. Bókstafir (ekki broddstafir), "
+"tölustafir og @/./+/-/_ aðeins leyft."
+
+msgid "A user with that username already exists."
+msgstr "Notandi með þetta notendanafn er nú þegar til."
+
+msgid "first name"
+msgstr "skírnarnafn"
+
+msgid "last name"
+msgstr "eftirnafn"
+
+msgid "email address"
+msgstr "netfang"
+
+msgid "staff status"
+msgstr "staða starfsmanns"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Segir til um hvort notandinn getur skráð sig inn á þetta stjórnunarsvæði."
+
+msgid "active"
+msgstr "virkur"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Til marks um að notandinn sé virkur. Taktu hakið úr þessum möguleika til að "
+"eyða aðgangi."
+
+msgid "date joined"
+msgstr "skráning dags."
+
+msgid "user"
+msgstr "notandi"
+
+msgid "users"
+msgstr "notendur"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Þetta lykilorð er of stutt. Það verður að vera minnst %(min_length)d stafur."
+msgstr[1] ""
+"Þetta lykilorð er of stutt. Það verður að vera minnst %(min_length)d stafir."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Lykilorðið verður að vera minnst %(min_length)d stafur."
+msgstr[1] "Lykilorðið verður að vera minnst %(min_length)d stafir."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Lykilorðið er of líkt %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Lykilorðið má ekki vera of líkt þínum persónuupplýsingum."
+
+msgid "This password is too common."
+msgstr "Þetta lykilorð er of algengt."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Lykilorðið má ekki vera algengt lykilorð."
+
+msgid "This password is entirely numeric."
+msgstr "Þetta lykilorð er eingöngu tölustafir."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Lykilorðið má ekki vera eingöngu tölustafir."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Lykilorð endursett á %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Sláðu inn gilt notandanafn. Þessi reitur má aðeins innihalda bókstafi (ekki "
+"broddstafi), tölustafi og @/./+/-/_ táknin"
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Sláðu inn gilt notandanafn. Þessi reitur má aðeins innihalda bókstafi, "
+"tölustafi og @/./+/-/_ táknin"
+
+msgid "Logged out"
+msgstr "Útskráð(ur)"
+
+msgid "Password reset"
+msgstr "Lykilorð endursett"
+
+msgid "Password reset sent"
+msgstr "Endurstilling lykilorðs send"
+
+msgid "Enter new password"
+msgstr "Sláðu inn nýtt lykilorð"
+
+msgid "Password reset unsuccessful"
+msgstr "Endurstilling á lykilorði mistókst"
+
+msgid "Password reset complete"
+msgstr "Endurstilling lykilorðs tókst"
+
+msgid "Password change"
+msgstr "Breyta lykilorði"
+
+msgid "Password change successful"
+msgstr "Breyting á lykilorði tókst"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af1146e8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/it/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..05f6885c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,322 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Davide Targa <davide.targa@gmail.com>, 2021
+# Federico Capoano <federico.capoano@teletu.it>, 2011
+# Flavio Curella <flavio.curella@gmail.com>, 2013-2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luciano De Falco Alfano, 2016
+# Marco Bonetti, 2014
+# palmux <palmux@gmail.com>, 2015,2019
+# Paolo Melchiorre <paolo@melchiorre.org>, 2023
+# Mattia Procopio <promat85@gmail.com>, 2015
+# Stefano Brentegani <sbrentegani@gmail.com>, 2015,2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Paolo Melchiorre <paolo@melchiorre.org>, 2023\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Informazioni personali"
+
+msgid "Permissions"
+msgstr "Permessi"
+
+msgid "Important dates"
+msgstr "Date importanti"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "L'oggetto %(name)s con chiave primaria %(key)r non esiste."
+
+msgid "Password changed successfully."
+msgstr "La password è stata modificata correttamente."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Modifica la password: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticazione e Autorizzazione "
+
+msgid "password"
+msgstr "password"
+
+msgid "last login"
+msgstr "ultimo accesso"
+
+msgid "No password set."
+msgstr "Nessuna password impostata."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato di password non valido o algoritmo di hash sconosciuto."
+
+msgid "The two password fields didn’t match."
+msgstr "I due campi password non corrispondono."
+
+msgid "Password"
+msgstr "Password"
+
+msgid "Password confirmation"
+msgstr "Conferma password"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Inserisci la stessa password inserita sopra, come verifica."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Le password grezze non vengono salvate, quindi non è possibile visualizzare "
+"la password di questo utente, ma è possibile modificarla utilizzando <a "
+"href=\"{}\">questo form</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Inserisci %(username)s e password corretti. In entrambi i campi le maiuscole "
+"potrebbero essere significative."
+
+msgid "This account is inactive."
+msgstr "Questo account non è attivo."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Nuova password"
+
+msgid "New password confirmation"
+msgstr "Conferma nuova password"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"La password attuale non è stata inserita correttamente. Riprova per favore."
+
+msgid "Old password"
+msgstr "Password attuale"
+
+msgid "Password (again)"
+msgstr "Password (di nuovo)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iterazioni"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "varietà"
+
+msgid "version"
+msgstr "versione"
+
+msgid "memory cost"
+msgstr "impegno di memoria"
+
+msgid "time cost"
+msgstr "impiego di tempo"
+
+msgid "parallelism"
+msgstr "parallelismo"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr "dimensione del blocco"
+
+msgid "name"
+msgstr "nome"
+
+msgid "content type"
+msgstr "content type"
+
+msgid "codename"
+msgstr "nome in codice"
+
+msgid "permission"
+msgstr "permesso"
+
+msgid "permissions"
+msgstr "permessi"
+
+msgid "group"
+msgstr "gruppo"
+
+msgid "groups"
+msgstr "gruppi"
+
+msgid "superuser status"
+msgstr "privilegi di superutente"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Attribuisce all'utente tutti i privilegi, senza che sia necessario "
+"assegnarli esplicitamente."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"I gruppi a cui appartiene l'utente. L'utente eredita tutti i permessi "
+"assegnati a ciascuno dei suoi gruppi."
+
+msgid "user permissions"
+msgstr "privilegi utente"
+
+msgid "Specific permissions for this user."
+msgstr "Permessi specifici per questo utente."
+
+msgid "username"
+msgstr "nome utente"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Obbligatorio. 150 caratteri o meno.Solo lettere, cifre e @/./+/-/_"
+
+msgid "A user with that username already exists."
+msgstr "Un utente con questo nome è già presente."
+
+msgid "first name"
+msgstr "nome"
+
+msgid "last name"
+msgstr "cognome"
+
+msgid "email address"
+msgstr "indirizzo email"
+
+msgid "staff status"
+msgstr "privilegi di staff"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Stabilisce se l'utente può accedere a questo sito di amministrazione."
+
+msgid "active"
+msgstr "attivo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Stabilisce se l'utente debba essere considerato attivo. Deseleziona qui, "
+"piuttosto che cancellare gli account."
+
+msgid "date joined"
+msgstr "iscritto in data"
+
+msgid "user"
+msgstr "utente"
+
+msgid "users"
+msgstr "utenti"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Questa password è troppo corta. Deve contenere almeno %(min_length)d "
+"carattere."
+msgstr[1] ""
+"Questa password è troppo corta. Deve contenere almeno %(min_length)d "
+"caratteri."
+msgstr[2] ""
+"Questa password è troppo corta. Deve contenere almeno %(min_length)d "
+"caratteri."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "La tua password deve contenere almeno %(min_length)d carattere."
+msgstr[1] "La tua password deve contenere almeno %(min_length)d caratteri."
+msgstr[2] "La tua password deve contenere almeno %(min_length)d caratteri."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "La password è troppo simile a %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"La tua password non può essere troppo simile alle altre tue informazioni "
+"personali."
+
+msgid "This password is too common."
+msgstr "Questa password è troppo comune."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "La tua password non può essere una password comunemente usata."
+
+msgid "This password is entirely numeric."
+msgstr "Questa password è interamente numerica."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "La tua password non può essere interamente numerica."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Password reset su %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Inserisci un nome utente valido. Questo valore può contenere solo lettere "
+"non accentate minuscole a-z e maiuscole A-Z, numeri ed i caratteri @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Immetti un nome utente valido. Questo campo può contenere solo lettere "
+"dell'alfabeto inglese, numeri e caratteri @/./+/-/_ ."
+
+msgid "Logged out"
+msgstr "Accesso annullato"
+
+msgid "Password reset"
+msgstr "Reimposta la password"
+
+msgid "Password reset sent"
+msgstr "Istruzioni per il recupero della password inviate"
+
+msgid "Enter new password"
+msgstr "Inserisci la nuova password"
+
+msgid "Password reset unsuccessful"
+msgstr "Password non reimpostata"
+
+msgid "Password reset complete"
+msgstr "Password reimpostata"
+
+msgid "Password change"
+msgstr "Modifica password"
+
+msgid "Password change successful"
+msgstr "Password modificata correttamente"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a6d37899
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a1cbcfcf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,303 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# arupakan125 <koh@arupaka.net>, 2020
+# Masashi SHIBATA <contact@c-bata.link>, 2017
+# Nikita K <hiyori.amatsuki@gmail.com>, 2019
+# Shinya Okano <tokibito@gmail.com>, 2013-2016,2021,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Shinya Okano <tokibito@gmail.com>, 2013-2016,2021,2023\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "個人情報"
+
+msgid "Permissions"
+msgstr "パーミッション"
+
+msgid "Important dates"
+msgstr "重要な日程"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "主キーが %(key)r である %(name)s オブジェクトは存在しません。"
+
+msgid "Password changed successfully."
+msgstr "パスワードを変更しました"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "パスワードの変更: %s"
+
+msgid "Authentication and Authorization"
+msgstr "認証と認可"
+
+msgid "password"
+msgstr "パスワード"
+
+msgid "last login"
+msgstr "最終ログイン"
+
+msgid "No password set."
+msgstr "パスワードは設定されませんでした。"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "無効なパスワードか不明なハッシュアルゴリズムです。"
+
+msgid "The two password fields didn’t match."
+msgstr "確認用パスワードが一致しません。"
+
+msgid "Password"
+msgstr "パスワード"
+
+msgid "Password confirmation"
+msgstr "パスワード(確認用)"
+
+msgid "Enter the same password as before, for verification."
+msgstr "確認のため、再度パスワードを入力してください。"
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"生のパスワードは格納されていないため、このユーザのパスワードを確認する方法は"
+"ありません。しかし<a href=\"{}\">このフォーム</a>を使用してパスワードを変更で"
+"きます。"
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"正しい%(username)sとパスワードを入力してください。どちらのフィールドも大文字"
+"と小文字は区別されます。"
+
+msgid "This account is inactive."
+msgstr "アカウントが無効です。"
+
+msgid "Email"
+msgstr "メールアドレス"
+
+msgid "New password"
+msgstr "新しいパスワード"
+
+msgid "New password confirmation"
+msgstr "新しいパスワード(確認用)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "元のパスワードが間違っています。もう一度入力してください。"
+
+msgid "Old password"
+msgstr "元のパスワード"
+
+msgid "Password (again)"
+msgstr "パスワード(確認用)"
+
+msgid "algorithm"
+msgstr "アルゴリズム"
+
+msgid "iterations"
+msgstr "イテレーション"
+
+msgid "salt"
+msgstr "ソルト"
+
+msgid "hash"
+msgstr "ハッシュ"
+
+msgid "variety"
+msgstr "多様性"
+
+msgid "version"
+msgstr "バージョン"
+
+msgid "memory cost"
+msgstr "メモリーコスト"
+
+msgid "time cost"
+msgstr "時間コスト"
+
+msgid "parallelism"
+msgstr "並行性"
+
+msgid "work factor"
+msgstr "ワークファクター"
+
+msgid "checksum"
+msgstr "チェックサム"
+
+msgid "block size"
+msgstr "ブロックサイズ"
+
+msgid "name"
+msgstr "名前"
+
+msgid "content type"
+msgstr "コンテンツタイプ"
+
+msgid "codename"
+msgstr "コード名"
+
+msgid "permission"
+msgstr "パーミッション"
+
+msgid "permissions"
+msgstr "パーミッション"
+
+msgid "group"
+msgstr "グループ"
+
+msgid "groups"
+msgstr "グループ"
+
+msgid "superuser status"
+msgstr "スーパーユーザー権限"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "全ての権限を持っているとみなされます。"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"このユーザーが所属するグループ。ユーザーはそれぞれのグループに付与されたすべ"
+"ての権限を持ちます。"
+
+msgid "user permissions"
+msgstr "ユーザーパーミッション"
+
+msgid "Specific permissions for this user."
+msgstr "このユーザーの持つ権限です。"
+
+msgid "username"
+msgstr "ユーザー名"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"この項目は必須です。半角アルファベット、半角数字、@/./+/-/_ で150文字以下にし"
+"てください。"
+
+msgid "A user with that username already exists."
+msgstr "同じユーザー名が既に登録済みです。"
+
+msgid "first name"
+msgstr "名"
+
+msgid "last name"
+msgstr "姓"
+
+msgid "email address"
+msgstr "メールアドレス"
+
+msgid "staff status"
+msgstr "スタッフ権限"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "ユーザーが管理サイトにログイン可能かどうかを示します。"
+
+msgid "active"
+msgstr "有効"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"ユーザーがアクティブかどうかを示します。アカウントを削除する代わりに選択を解"
+"除してください。"
+
+msgid "date joined"
+msgstr "登録日"
+
+msgid "user"
+msgstr "ユーザー"
+
+msgid "users"
+msgstr "ユーザー"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "このパスワードは短すぎます。最低 %(min_length)d 文字以上必要です。"
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "パスワードは最低 %(min_length)d 文字以上必要です。"
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "このパスワードは %(verbose_name)s と似すぎています。"
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "あなたの他の個人情報と似ているパスワードにはできません。"
+
+msgid "This password is too common."
+msgstr "このパスワードは一般的すぎます。"
+
+msgid "Your password can’t be a commonly used password."
+msgstr "よく使われるパスワードにはできません。"
+
+msgid "This password is entirely numeric."
+msgstr "このパスワードは数字しか使われていません。"
+
+msgid "Your password can’t be entirely numeric."
+msgstr "数字だけのパスワードにはできません。"
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s のパスワードリセット"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"有効なユーザー名を入力してください。アクセント記号を除いた半角英数、 @/./+/-/"
+"_ を使用できます。"
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"有効なユーザー名を入力してください。半角英数、 @/./+/-/_ を使用できます。"
+
+msgid "Logged out"
+msgstr "ログアウト"
+
+msgid "Password reset"
+msgstr "パスワードをリセット"
+
+msgid "Password reset sent"
+msgstr "パスワードリセットを送信しました"
+
+msgid "Enter new password"
+msgstr "新しいパスワードを入力してください"
+
+msgid "Password reset unsuccessful"
+msgstr "パスワードのリセットに失敗しました"
+
+msgid "Password reset complete"
+msgstr "パスワードがリセットされました"
+
+msgid "Password change"
+msgstr "パスワードの変更"
+
+msgid "Password change successful"
+msgstr "パスワードを変更しました"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8a9eb526
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0a27602a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,302 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2013-2015
+# Demetre Barbakadze, 2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tornike Beradze <beradze@europe.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Demetre Barbakadze, 2023\n"
+"Language-Team: Georgian (http://app.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Personal info"
+msgstr "პირადი ინფორმაცია"
+
+msgid "Permissions"
+msgstr "უფლებები"
+
+msgid "Important dates"
+msgstr "მნიშვნელოვანი თარიღები"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s ობიექტი პირველადი გასაღებით %(key)r არ არსებობს."
+
+msgid "Password changed successfully."
+msgstr "პაროლი წარმატებით შეიცვალა."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "შევცვალოთ პაროლი: %s"
+
+msgid "Authentication and Authorization"
+msgstr "იდენტიფიკაცია და ავტორიზაცია"
+
+msgid "password"
+msgstr "პაროლი"
+
+msgid "last login"
+msgstr "ბოლო შესვლა"
+
+msgid "No password set."
+msgstr "არ არის დაყენებული პაროლი."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "არასწორი პაროლის ფორმატი ან უცნობი ჰეშირების ალგორითმი."
+
+msgid "The two password fields didn’t match."
+msgstr "ორი პაროლის ველი ერთმანეთს არ ემთხვევა"
+
+msgid "Password"
+msgstr "პაროლი"
+
+msgid "Password confirmation"
+msgstr "პაროლის დამოწმება"
+
+msgid "Enter the same password as before, for verification."
+msgstr "გაიმეორეთ იგივე პაროლი ვერიფიკაციისთვის."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"გთხოვთ, შეიყვანოთ სწორი %(username)s და პაროლი. იქონიეთ მხედველობაში, რომ "
+"ორივე ველი ითვალისწინებს მთავრულს."
+
+msgid "This account is inactive."
+msgstr "თქვენი ანგარიში არააქტიურია."
+
+msgid "Email"
+msgstr "ელ. ფოსტა"
+
+msgid "New password"
+msgstr "ახალი პაროლი"
+
+msgid "New password confirmation"
+msgstr "ახალი პაროლის დამოწმება"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "თქვენი ძველი პაროლი შეყვანილია არასწორად. გთხოვთ, შეიყვანოთ ხელახლა."
+
+msgid "Old password"
+msgstr "ძველი პაროლი"
+
+msgid "Password (again)"
+msgstr "პაროლი (განმეორებით)"
+
+msgid "algorithm"
+msgstr "ალგორითმი"
+
+msgid "iterations"
+msgstr "იტერაციები"
+
+msgid "salt"
+msgstr "მარილი"
+
+msgid "hash"
+msgstr "ჰეში"
+
+msgid "variety"
+msgstr "მრავალფეროვნება"
+
+msgid "version"
+msgstr "ვერსია"
+
+msgid "memory cost"
+msgstr "საჭირო მეხსიერების რაოდენობა"
+
+msgid "time cost"
+msgstr "საჭირო დროის რაოდენობა"
+
+msgid "parallelism"
+msgstr "პარალელიზმი"
+
+msgid "work factor"
+msgstr "სამუშაო ფაქტორი"
+
+msgid "checksum"
+msgstr "საკონტროლო ჯამი"
+
+msgid "block size"
+msgstr ""
+
+msgid "name"
+msgstr "სახელი"
+
+msgid "content type"
+msgstr "კონტენტის ტიპი"
+
+msgid "codename"
+msgstr "კოდური სახელი"
+
+msgid "permission"
+msgstr "უფლება"
+
+msgid "permissions"
+msgstr "უფლებები"
+
+msgid "group"
+msgstr "ჯგუფი"
+
+msgid "groups"
+msgstr "ჯგუფები"
+
+msgid "superuser status"
+msgstr "სუპერმომხმარებლის სტატუსი"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "განსაზღვრავს, რომ ამ მომხმარებელს აქვს ყველა უფლება."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"ჯგუფები, რომლებსაც მიეკუთვნება ეს მომხმარებელი. მომხმარებელი მიიღებს ყველა "
+"უფლებას, რომელიც მინიჭებული აქვს მის თითოეულ ჯგუფს."
+
+msgid "user permissions"
+msgstr "მომხმარებლის უფლებები"
+
+msgid "Specific permissions for this user."
+msgstr "სპეციფიური უფლებები ამ მომხმარებლისთვის."
+
+msgid "username"
+msgstr "მომხმარებლის სახელი"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"აუცილებელი. 150 სიმბოლ ან ნაკლები. მხოლოდ ასოები, ციფრები ან @/./+/-/_ ."
+
+msgid "A user with that username already exists."
+msgstr "მომხმარებელი ამ სახელით უკვე არსებობს."
+
+msgid "first name"
+msgstr "სახელი"
+
+msgid "last name"
+msgstr "გვარი"
+
+msgid "email address"
+msgstr "ელ. ფოსტის მისამართი"
+
+msgid "staff status"
+msgstr "თანამშრომლობის სტატუსი"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"განსაზღვრავს, აქვს თუ არა მომხმარებელს ადმინისტრირების საიტზე შესვლის უფლება."
+
+msgid "active"
+msgstr "აქტიურია"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"განსაზღვრავს, რომ მომხმარებელი გააქტიურებულია. მომხმარებლის წაშლის მაგივრად "
+"გადანიშნეთ ეს დროშა."
+
+msgid "date joined"
+msgstr "გაწევრიანების თარიღი"
+
+msgid "user"
+msgstr "მომხმარებელი"
+
+msgid "users"
+msgstr "მომხმარებლები"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"პაროლი ძალიან მოკლეა. მინიმუმ %(min_length)dსიმბოლოს უნდა შეიცავდეს."
+msgstr[1] ""
+"პაროლი ძალიან მოკლეა. მინიმუმ %(min_length)dსიმბოლოს უნდა შეიცავდეს."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"პაროლი ძალიან მოკლეა. მინიმუმ %(min_length)d სიმბოლოს უნდა შეიცავდეს."
+msgstr[1] ""
+"პაროლი ძალიან მოკლეა. მინიმუმ %(min_length)d სიმბოლოს უნდა შეიცავდეს."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "პაროლი ძალიან გავს %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "პაროლი ძალიან გავს თქვენს პერსონალურ ინფორმაციას."
+
+msgid "This password is too common."
+msgstr "ეს პაროლი ხშირად გამოიყენება."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "თქვენი პაროლი არ უნდა იყოს ხშირად გამოყენებადი."
+
+msgid "This password is entirely numeric."
+msgstr "პაროლი მხოლოდ ციფრებისგან შედგება."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "თქვენი პაროლი არ შეიძლება შეიცავდეს მხოლოდ ციფრებს."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "პაროლის თავიდან დაყენება %(site_name)s-ზე"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "გამოსული ხართ"
+
+msgid "Password reset"
+msgstr "პაროლის აღდგენა"
+
+msgid "Password reset sent"
+msgstr "პაროლის აღდგენა გაგზავნილია"
+
+msgid "Enter new password"
+msgstr "შეიყვანეთ ახალი პაროლი"
+
+msgid "Password reset unsuccessful"
+msgstr "პაროლის აღდგენა წარუმატებლად დასრულდა"
+
+msgid "Password reset complete"
+msgstr "პაროლის აღდგენა დასრულებულია"
+
+msgid "Password change"
+msgstr "პაროლის შეცვლა"
+
+msgid "Password change successful"
+msgstr "პაროლი წარმატებით შეიცვალა"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kab/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kab/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..33333095
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kab/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kab/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kab/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7456e939
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kab/LC_MESSAGES/django.po
@@ -0,0 +1,287 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-10-06 11:56+0000\n"
+"Last-Translator: Muḥend Belqasem <belkacem77@gmail.com>\n"
+"Language-Team: Kabyle (http://www.transifex.com/django/django/language/"
+"kab/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kab\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Talɣut tudmawant"
+
+msgid "Permissions"
+msgstr "Tisirag"
+
+msgid "Important dates"
+msgstr "Izemzen ixataren"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Snifel awal uffir: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "awal uffir"
+
+msgid "last login"
+msgstr "tuqqna taneggarut"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr "Awal n uɛeddi"
+
+msgid "Password confirmation"
+msgstr "Asentem n wawal uffir"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "Amidan-agi ur yermid ara."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Awal uffir amaynut"
+
+msgid "New password confirmation"
+msgstr "Asentem n wawal uffir amaynut"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr "Awal uffir aqbuṛ"
+
+msgid "Password (again)"
+msgstr "Mot de passe (bis)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr "lqem"
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr "tasqamt n wakud"
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "isem"
+
+msgid "content type"
+msgstr "anaw n ugbur"
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr "tasiregt"
+
+msgid "permissions"
+msgstr "tisirag"
+
+msgid "group"
+msgstr "agraw"
+
+msgid "groups"
+msgstr "igrawen"
+
+msgid "superuser status"
+msgstr "addad n unebdal"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Yemmal-d d akken aseqdac-agi ɣur-s akk tisirag war ma ttwanefkent-as s wudem "
+"aflalay."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "tisirag n useqdac"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "isem n useqdac"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Tansa-agi imayl tella yakan."
+
+msgid "first name"
+msgstr "isem"
+
+msgid "last name"
+msgstr "Isem aneggaru"
+
+msgid "email address"
+msgstr "tansa imayl"
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr "urmid"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Yettwag  ma yella aseqdac-agi yezmer ad yettwammel d urmid neɣ ala. Kkes "
+"afran deg umḍiq n tukksa n umiḍan."
+
+msgid "date joined"
+msgstr "azemz n ujerred"
+
+msgid "user"
+msgstr "aseqdac"
+
+msgid "users"
+msgstr "Iseqdaceniseqdacen"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Yeffeɣ"
+
+msgid "Password reset"
+msgstr "Awennez n wawal uffir"
+
+msgid "Password reset sent"
+msgstr "Tulsa n wennez n wawal uffir tettwazen"
+
+msgid "Enter new password"
+msgstr "Sekcem awal n uffir amaynut"
+
+msgid "Password reset unsuccessful"
+msgstr "tulsa n uwennez n wawal uffir tedda"
+
+msgid "Password reset complete"
+msgstr "Awennez n wawal uffir yemmed"
+
+msgid "Password change"
+msgstr "Abeddel n wawal uffir"
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..49d95d92
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0710977c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# yun_man_ger <germanilyin@gmail.com>, 2011
+# Zhazira <zhazira.mt@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Personal info"
+msgstr "Жеке мағлұмат"
+
+msgid "Permissions"
+msgstr "Рұқсаттар"
+
+msgid "Important dates"
+msgstr "Маңызды даталар"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Құпия сөз ойдағыдай өзгертілді."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Құпия сөзді өзгерту: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "құпия сөз"
+
+msgid "last login"
+msgstr "соңғы кіруі"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr "Енгізілген құпия сөздер бірдей емес."
+
+msgid "Password"
+msgstr "Құпия сөз"
+
+msgid "Password confirmation"
+msgstr "Құпия сөз құптамасы"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "Бұл тіркелгі белсенді емес."
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "Жаңа құпия сөз"
+
+msgid "New password confirmation"
+msgstr "Жаңа құпия сөз құптамасы"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Ескі құпия сөз қате енгізілді. Қайтадан енгізіңіз."
+
+msgid "Old password"
+msgstr "Ескі құпия сөз"
+
+msgid "Password (again)"
+msgstr "Құпия сөз (қайтадан)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "атау"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "кодтық атау"
+
+msgid "permission"
+msgstr "рұқсат"
+
+msgid "permissions"
+msgstr "рұқсаттар"
+
+msgid "group"
+msgstr "топ"
+
+msgid "groups"
+msgstr "топтар"
+
+msgid "superuser status"
+msgstr "әкімші мәртебесі"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Бұл қолданушының бүкіл рұқсаттарымен тағайындалатындығын білдіреді."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "қолданушы рұқсаттары"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "Қолданушы атауы"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Осындай атаумен қолданушы бар."
+
+msgid "first name"
+msgstr "аты"
+
+msgid "last name"
+msgstr "жөні"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr "қызметкер мәртебесі"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Қолданушының басқарушы сайтына кіре алатындығын білдіреді."
+
+msgid "active"
+msgstr "белсенді"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Қолданушы белсенді болуын білдіреді. Тіркілгіні өшірмей мынаны алып тастаңыз."
+
+msgid "date joined"
+msgstr "тіркелген күн-айы"
+
+msgid "user"
+msgstr "қолданушы"
+
+msgid "users"
+msgstr "қолданушылар"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s торапта құпия сөзді өзгерту"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Шығу орындалды"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..16287545
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..26beb5a3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,281 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/django/django/language/km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "ព័ត៌មានផ្ទាល់ខ្លួន"
+
+msgid "Permissions"
+msgstr "ការអនុញ្ញាត"
+
+msgid "Important dates"
+msgstr "កាលបរិច្ឆេទសំខាន់"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "ពាក្យសំងាត់"
+
+msgid "last login"
+msgstr "ការពិនិត្យចូលកន្លងមក"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr "ពាក្យសំងាត់"
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "ឈ្មោះសមាជិកនេះ​លែងដំណើរការ"
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr ""
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr "ពាក្យសំងាត់ (ម្តងទៀត)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "ឈ្មោះ"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "ឈ្មោះលេខកូត"
+
+msgid "permission"
+msgstr "អនុញ្ញាត"
+
+msgid "permissions"
+msgstr "អនុញ្ញាត"
+
+msgid "group"
+msgstr "ក្រុម"
+
+msgid "groups"
+msgstr "ក្រុម"
+
+msgid "superuser status"
+msgstr "ស្ថានភាពអ្នកគ្រងគ្រង"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "កំណត់អោយសមាជិកនេះមានសិទ្ធិទាំងអស់។"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "ការអនុញ្ញាតអោយសមាជិក"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "ឈ្មោះជាសមាជិក"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr "នាម"
+
+msgid "last name"
+msgstr "គោត្តនាម"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr "ស្ថានភាពបុគ្គលិក"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "កំណត់អោយសមាជិកអាចចូលមកប្រើប្រាស់ទំព័រគ្រប់គ្រងនេះ។"
+
+msgid "active"
+msgstr "សកម្ម"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr "កាលបរិច្ឆេទចូលរួម"
+
+msgid "user"
+msgstr "សមាជិក"
+
+msgid "users"
+msgstr "សមាជិក"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "ចាកចេញ"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..be5a6dee
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e24561e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# karthikbgl <karthikbgl@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kannada (http://www.transifex.com/django/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Personal info"
+msgstr "ವೈಯುಕ್ತಿಕ ಮಾಹಿತಿ"
+
+msgid "Permissions"
+msgstr "ಅನುಮತಿಗಳು"
+
+msgid "Important dates"
+msgstr "ಮಹತ್ವದ ದಿನಾಂಕಗಳು"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "ಪಾಸ್ವರ್ಡ್ ಸಫಲವಾಗಿ ಬದಲಾಯಿಸಲಾಯಿತು"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "ಪಾಸ್ವರ್ಡ್ ಬದಲಾಯಿಸಲು: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "ಪ್ರವೇಶಪದ"
+
+msgid "last login"
+msgstr "ಕಡೇ ಸಾರಿ ಒಳಬಂದದ್ದು"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr "ಎರಡು ಪ್ರವೇಶಪದ ಕ್ಷೇತ್ರಗಳ ಹೊಂದಿಕೆಯಾಗುತ್ತಿಲ್ಲ"
+
+msgid "Password"
+msgstr "ಪ್ರವೇಶಪದ"
+
+msgid "Password confirmation"
+msgstr "ಪಾಸ್ವರ್ಡ್ ಖಚಿತತೆ"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "ಈ ಖಾತೆಯು ನಿಷ್ಕ್ರಿಯವಾಗಿದೆ"
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "ಹೊಸ ಪ್ರವೇಶಪದ"
+
+msgid "New password confirmation"
+msgstr "ಹೊಸ ಪ್ರವೇಶಪದ ಖಚಿತತೆ"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "ನಿಮ್ಮ ಹಳೆಯ ಪ್ರವೇಶಪದ ತಪ್ಪಾಗಿ ಪ್ರವೇಶಿಸಲಾಗಿದೆ ಮತ್ತೆ ದಯವಿಟ್ಟು ನಮೂದಿಸಿ"
+
+msgid "Old password"
+msgstr "ಹಳೆಯ ಪ್ರವೇಶಪದ"
+
+msgid "Password (again)"
+msgstr "ಪ್ರವೇಶಪದ(ಇನ್ನೊಮ್ಮೆ)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "ಹೆಸರು"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "ಸಾಂಕೇತಿಕ ಹೆಸರು"
+
+msgid "permission"
+msgstr "ಅನುಮತಿ"
+
+msgid "permissions"
+msgstr "ಅನುಮತಿಗಳು"
+
+msgid "group"
+msgstr "ಗುಂಪು"
+
+msgid "groups"
+msgstr "ಗುಂಪುಗಳು"
+
+msgid "superuser status"
+msgstr "ಮಹಾಬಳಕೆದಾರನ ಸ್ಧಿತಿ"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"ಈ ಸದಸ್ಯರು ಸುವ್ಯಕ್ತವಾಗಿ  ನೀಡದಿದ್ದರೂ ಎಲ್ಲಾ ಅನುಮತಿಗಳನ್ನು ಪಡೆದಿರುವರು ಎಂಬುದನ್ನು "
+"ಸೂಚಿಸುತ್ತದೆ."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "ಬಳಕೆದಾರ ಅನುಮತಿಗಳು"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "ಬಳಕೆದಾರ-ಹೆಸರು"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "ಆ ಬಳಕೆದಾರಹೆಸರು ಒಂದು ಬಳಕೆದಾರ ಈಗಾಗಲೇ ಅಸ್ತಿತ್ವದಲ್ಲಿದೆ."
+
+msgid "first name"
+msgstr "ಮೊದಲ ಹೆಸರು"
+
+msgid "last name"
+msgstr "ಕೊನೆಯ ಹೆಸರು"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr "ಸಿಬ್ಬಂದಿ ಸ್ಥಿತಿ"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "ಬಲಕೆದಾರರು ಈ ಆಡಳಿತ ತಾಣಕ್ಕೆ  ಪ್ರವೇಶಪಡೆಯಬಹುದೇ ಎಂಬುದನ್ನು ತಿಳಿಸುತ್ತದೆ."
+
+msgid "active"
+msgstr "ಸಕ್ರಿಯ"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr "ಸೇರಿದ ದಿನಾಂಕ"
+
+msgid "user"
+msgstr "ಬಳಕೆದಾರ"
+
+msgid "users"
+msgstr "ಬಳಕೆದಾರರು"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "ಹೊರಬರಲಾಗಿದೆ"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ko/LC_MESSAGES/django.po
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,309 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bumsoo Kim <bskim45@gmail.com>, 2017
+# Churow Park <churow@naver.com>, 2020
+# Jiyoon, Ha <cryptography@konkuk.ac.kr>, 2016
+# DaHae Sung <sdh4513136@hanmail.net>, 2016
+# 코딩 영, 2021
+# Geonho Kim / Leo Kim <gh.leokim@gmail.com>, 2019
+# Ian Y. Choi <ianyrchoi@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Le Tartuffe <magno79@gmail.com>, 2014,2016
+# Jiyoon, Ha <cryptography@konkuk.ac.kr>, 2016
+# JunGu Kang <chr0m3.kr@gmail.com>, 2015
+# Kagami Sascha Rosylight <saschanaz@outlook.com>, 2017
+# minsung kang, 2015
+# Seoeun(Sun☀️) Hong, 2023
+# Woo-Jing, Seok <woojing.seok@gmail.com>, 2016
+# seungho, kim <raccoonyy@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Seoeun(Sun☀️) Hong, 2023\n"
+"Language-Team: Korean (http://app.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "개인정보"
+
+msgid "Permissions"
+msgstr "권한"
+
+msgid "Important dates"
+msgstr "중요한 일정"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Primary key %(key)r인 개체 %(name)s이/가 존재하지 않습니다."
+
+msgid "Password changed successfully."
+msgstr "비밀번호가 변경되었습니다."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "비밀번호 변경: %s"
+
+msgid "Authentication and Authorization"
+msgstr "인증 및 권한"
+
+msgid "password"
+msgstr "비밀번호"
+
+msgid "last login"
+msgstr "마지막 로그인"
+
+msgid "No password set."
+msgstr "비밀번호가 설정되지 않습니다."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "잘못된 비밀번호 형식이거나 알 수 없는 해싱 알고리즘 입니다."
+
+msgid "The two password fields didn’t match."
+msgstr "비밀번호가 일치하지 않습니다."
+
+msgid "Password"
+msgstr "비밀번호"
+
+msgid "Password confirmation"
+msgstr "비밀번호 확인"
+
+msgid "Enter the same password as before, for verification."
+msgstr "확인을 위해 이전과 동일한 비밀번호를 입력하세요. "
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"원본 비밀번호는 저장되지 않으므로, 해당 사용자의 비밀번호를 확인할 수 없습니"
+"다. 다만 이 <a href=\"{}\">폼</a>을 사용하여 비밀번호를 변경할 수 있습니다."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"올바른 %(username)s와/과 비밀번호를 입력하십시오. 두 필드 모두 대문자와 소문"
+"자를 구별합니다."
+
+msgid "This account is inactive."
+msgstr "이 계정은 유효하지 않습니다."
+
+msgid "Email"
+msgstr "이메일"
+
+msgid "New password"
+msgstr "새 비밀번호"
+
+msgid "New password confirmation"
+msgstr "새 비밀번호 (확인)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "기존 비밀번호를 잘못 입력하셨습니다. 다시 입력해 주세요."
+
+msgid "Old password"
+msgstr "기존 비밀번호"
+
+msgid "Password (again)"
+msgstr "비밀번호 (확인)"
+
+msgid "algorithm"
+msgstr "알고리즘"
+
+msgid "iterations"
+msgstr "반복"
+
+msgid "salt"
+msgstr "솔트"
+
+msgid "hash"
+msgstr "해시"
+
+msgid "variety"
+msgstr "종류"
+
+msgid "version"
+msgstr "버젼"
+
+msgid "memory cost"
+msgstr "메모리 비용"
+
+msgid "time cost"
+msgstr "시간비용"
+
+msgid "parallelism"
+msgstr "병행"
+
+msgid "work factor"
+msgstr "워크 팩터"
+
+msgid "checksum"
+msgstr "체크섬"
+
+msgid "block size"
+msgstr "블록 크기"
+
+msgid "name"
+msgstr "이름"
+
+msgid "content type"
+msgstr "콘텐츠 타입"
+
+msgid "codename"
+msgstr "코드명"
+
+msgid "permission"
+msgstr "허가"
+
+msgid "permissions"
+msgstr "허가"
+
+msgid "group"
+msgstr "그룹"
+
+msgid "groups"
+msgstr "그룹"
+
+msgid "superuser status"
+msgstr "최상위 사용자 권한"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "해당 사용자에게 모든 권한을 허가합니다."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"이 사용자가 속한 그룹. 사용자는 그룹에 부여된 모든 권한을 물려 받습니다."
+
+msgid "user permissions"
+msgstr "사용자 권한"
+
+msgid "Specific permissions for this user."
+msgstr "이 사용자를 위한 특정 권한."
+
+msgid "username"
+msgstr "사용자 이름"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "150자 이하 문자, 숫자 그리고 @/./+/-/_만 가능합니다."
+
+msgid "A user with that username already exists."
+msgstr "해당 사용자 이름은 이미 존재합니다."
+
+msgid "first name"
+msgstr "이름"
+
+msgid "last name"
+msgstr "성"
+
+msgid "email address"
+msgstr "이메일 주소"
+
+msgid "staff status"
+msgstr "스태프 권한"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "사용자가 관리사이트에 로그인이 가능한지를 나타냅니다."
+
+msgid "active"
+msgstr "활성"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"이 사용자가 활성화되어 있는지를 나타냅니다. 계정을 삭제하는 대신 이것을 선택 "
+"해제하세요."
+
+msgid "date joined"
+msgstr "등록일"
+
+msgid "user"
+msgstr "사용자"
+
+msgid "users"
+msgstr "사용자(들)"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"비밀번호가 너무 짧습니다. 최소 %(min_length)d 문자를 포함해야 합니다."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "비밀번호는 최소 %(min_length)d자 이상이어야 합니다."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "비밀번호가 %(verbose_name)s와 너무 유사합니다."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "다른 개인 정보와 유사한 비밀번호는 사용할 수 없습니다."
+
+msgid "This password is too common."
+msgstr "비밀번호가 너무 일상적인 단어입니다."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "통상적으로 자주 사용되는 비밀번호는 사용할 수 없습니다."
+
+msgid "This password is entirely numeric."
+msgstr "비밀번호가 전부 숫자로 되어 있습니다."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "숫자로만 이루어진 비밀번호는 사용할 수 없습니다."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s의 비밀번호 재설정"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"유효한 사용자명을 입력하세요. 영문자나 숫자, @/./+/-/_기호만 가능합니다."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"유효한 사용자 이름을 입력하세요. 이곳에는 문자, 숫자, @/./+/-/_만 가능합니다."
+
+msgid "Logged out"
+msgstr "로그아웃"
+
+msgid "Password reset"
+msgstr "비밀번호 초기화"
+
+msgid "Password reset sent"
+msgstr "새 비밀번호가 전송되었습니다."
+
+msgid "Enter new password"
+msgstr "새 비밀번호 입력"
+
+msgid "Password reset unsuccessful"
+msgstr "비밀번호 초기화를 실패하였습니다."
+
+msgid "Password reset complete"
+msgstr "비밀번호가 초기화 완료"
+
+msgid "Password change"
+msgstr "비밀번호 변경"
+
+msgid "Password change successful"
+msgstr "비밀번호를 변경하였습니다."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ky/LC_MESSAGES/django.mo
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index 00000000..7742edd7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2c6a6407
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,299 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020-2021
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-11-27 14:11+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "Өздүк маалымат"
+
+msgid "Permissions"
+msgstr "Жеткилер"
+
+msgid "Important dates"
+msgstr "Маанилүү күндөр"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "ID%(key)r болгон %(name)s табылган жок."
+
+msgid "Password changed successfully."
+msgstr "Сырсөз ийгиликтүү өзгөрдү."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "сырсөздү өзгөрт: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Катталуу жана жетки алуу"
+
+msgid "password"
+msgstr "сырсөз"
+
+msgid "last login"
+msgstr "акыркы кирүү"
+
+msgid "No password set."
+msgstr "сырсөз жок."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Туура эмес сырсөз калыбы же белгисиз бекитүү алгоритми"
+
+msgid "The two password fields didn’t match."
+msgstr "Сырсөздүн эки талаасы бири бирине окшош болбой жатат."
+
+msgid "Password"
+msgstr "Сырсөз"
+
+msgid "Password confirmation"
+msgstr "Сырсөз тастыктоосу"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Тастыктоо үчүн жогоруга окшош сырсөз тер."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Сырсөздөр кам түрүндө сакталбайт, мындан улам сиз аны эч качан көрө "
+"албайсыз. Бирок аны сиз <a href=\"{}\">бул формду</a> колдонуп өзгөртсөңүз "
+"болот."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Туура %(username)s жана сырсөз тер. Алар экөө тең СезГичТүү болушу мүмкүн."
+
+msgid "This account is inactive."
+msgstr "Бул эсеп жанык эмес."
+
+msgid "Email"
+msgstr "экат"
+
+msgid "New password"
+msgstr "Жаңы сырсөз"
+
+msgid "New password confirmation"
+msgstr "Жаңы сырсөз тастыктоосу"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Сиздин эски сырсөзүңүз туура эмес терилди. Кайрадан териңиз."
+
+msgid "Old password"
+msgstr "Эски сырсөз"
+
+msgid "Password (again)"
+msgstr "сырсөз (кайра)"
+
+msgid "algorithm"
+msgstr "алгоритм"
+
+msgid "iterations"
+msgstr "аттоолор"
+
+msgid "salt"
+msgstr "туз"
+
+msgid "hash"
+msgstr "бекитүү"
+
+msgid "variety"
+msgstr "тууралык"
+
+msgid "version"
+msgstr "муун"
+
+msgid "memory cost"
+msgstr "эс баасы"
+
+msgid "time cost"
+msgstr "убакыт баасы"
+
+msgid "parallelism"
+msgstr "удаалык"
+
+msgid "work factor"
+msgstr "жумуш фактору"
+
+msgid "checksum"
+msgstr "текшерүү"
+
+msgid "block size"
+msgstr "блок өлчөмү"
+
+msgid "name"
+msgstr "аты"
+
+msgid "content type"
+msgstr "мазмун түрү"
+
+msgid "codename"
+msgstr "кодаты"
+
+msgid "permission"
+msgstr "жетки"
+
+msgid "permissions"
+msgstr "жеткилер"
+
+msgid "group"
+msgstr "тайпа"
+
+msgid "groups"
+msgstr "тайпалар"
+
+msgid "superuser status"
+msgstr "супер колдонуучу акыбалы"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Бул колдонуучуга бүт жеткилер берилишин көмүскө түрдө аныктайт."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Колдонуучунун тиешелүү болгон тайпасы. Колдонуучу тайпасына берилген бүт "
+"жеткилерге ээ болот."
+
+msgid "user permissions"
+msgstr "колдонуучу жеткиси"
+
+msgid "Specific permissions for this user."
+msgstr "Бул колдонуучу үчүн кээ бир жеткилер"
+
+msgid "username"
+msgstr "колдонуучу аты"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Талап кылынат. 150 же аз арип, сан жана @/./+/-/_ лар гана."
+
+msgid "A user with that username already exists."
+msgstr "Бул колдонуучу аты мурдатан эле бар"
+
+msgid "first name"
+msgstr "аты"
+
+msgid "last name"
+msgstr "атасынын аты"
+
+msgid "email address"
+msgstr "эдарек"
+
+msgid "staff status"
+msgstr "кызматкер статусу"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Колдонуучу башкаруу сайтына киришин же кире албашын дайындайт."
+
+msgid "active"
+msgstr "жанык"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Бул колдонуучунун активдүүлүгүн дайындайт. Бул аккаунтту өчүрүү үчүн бул "
+"жердеги тандоону алып салыңыз."
+
+msgid "date joined"
+msgstr "кошулуу күнү"
+
+msgid "user"
+msgstr "колдонуучу"
+
+msgid "users"
+msgstr "колдонуучулар"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Бул сырсөз өтө эле кыска. Ал өзүнө жок дегенде %(min_length)d символ камтышы "
+"керек."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Сиздин сырсөз  жок дегенде %(min_length)d символ камтышы керек."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Сырсөз жана %(verbose_name)s өтө эле окшош."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Сиздин сырсөз башка жеке маалыматыңызга окшош болбоосу керек."
+
+msgid "This password is too common."
+msgstr "Бул сырсөз өтө эле жалпы"
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Сиздин сырсөз өтө эле жалпы колдонуудагы сырсөз болбоосу керек."
+
+msgid "This password is entirely numeric."
+msgstr "Бул сырсөз жалаң сандан турат."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Сиздин сырсөз жалаң эле сандардан турбашы керек."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s дан сырсөздү жокко чыгырыңыз"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Туура колдонуучу атын киргизиңиз. Бул маани жалаң латын арибин, сан жана @/./"
+"+/-/_  белгилерин камтый алат."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Туура колдонуучу атын киргизиңиз. Бул маани жалаң арип, сан жана @/./+/-/_  "
+"белгилерин камтый алат."
+
+msgid "Logged out"
+msgstr "Катталып чыкты"
+
+msgid "Password reset"
+msgstr "Сырсөдү жокко чыгаруу"
+
+msgid "Password reset sent"
+msgstr "Сырсөз жок кылууга жөнөтүлдү"
+
+msgid "Enter new password"
+msgstr "Жаңы сырсөз киргиз"
+
+msgid "Password reset unsuccessful"
+msgstr "Сырсөздү жокко чыгаруу ийгиликсиз"
+
+msgid "Password reset complete"
+msgstr "Сырсөздү жокко чыгаруу аяктады"
+
+msgid "Password change"
+msgstr "Сырсөз өзгөртүү"
+
+msgid "Password change successful"
+msgstr "Сырсөздү жокко чыгаруу ийгиликтүү"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3adcc2c4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..382e9e8a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,226 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 10:30+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr ""
+
+msgid "Permissions"
+msgstr ""
+
+msgid "Important dates"
+msgstr ""
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr ""
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as above, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"password/\">this "
+"form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr ""
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr ""
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr ""
+
+msgid "groups"
+msgstr ""
+
+msgid "password"
+msgstr ""
+
+msgid "last login"
+msgstr ""
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers and @/./"
+"+/-/_ characters."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr ""
+
+msgid "users"
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fd83d5dc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5bc0c455
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,320 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# lauris <lauris@runbox.com>, 2011
+# Matas Dailyda <matas@dailyda.com>, 2015-2017
+# naktinis <naktinis@gmail.com>, 2012
+# Nikolajus Krauklis <nikolajus@gmail.com>, 2013
+# Simonas Kazlauskas <simonas@kazlauskas.me>, 2012-2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-11-16 08:45+0000\n"
+"Last-Translator: Matas Dailyda <matas@dailyda.com>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Personal info"
+msgstr "Asmeninė informacija"
+
+msgid "Permissions"
+msgstr "Leidimai"
+
+msgid "Important dates"
+msgstr "Svarbios datos"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Įrašas %(name)s su pirminiu raktu %(key)r neegzistuoja."
+
+msgid "Password changed successfully."
+msgstr "Slaptažodis pakeistas sėkmingai."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Pakeisti slaptažodį: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentifikacija ir įgaliojimai"
+
+msgid "password"
+msgstr "slaptažodis"
+
+msgid "last login"
+msgstr "paskutinį kartą prisijungęs"
+
+msgid "No password set."
+msgstr "Slaptažodis nenustatytas"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Neteisingas slaptažodžio formatas arba nežinomas maišos algoritmas."
+
+msgid "The two password fields didn't match."
+msgstr "Slaptažodžio laukai nesutapo"
+
+msgid "Password"
+msgstr "Slaptažodis"
+
+msgid "Password confirmation"
+msgstr "Slaptažodžio patvirtinimas"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Patikrinimui įveskite tokį patį slaptažodį, kaip anksčiau."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Neužkoduoti slaptažodžiai nėra saugomi, todėl galimybės pasižiūrėti šio "
+"vartotojo slaptažodį nėra, bet galite slaptažodį pakeisti naudodamiesi <a "
+"href=\"{}\">šia forma</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Įveskite teisingą %(username)s ir slaptažodį. Abiejuose laukuose didžiosios "
+"mažosios raidės skiriasi."
+
+msgid "This account is inactive."
+msgstr "Ši paskyra yra neaktyvi."
+
+msgid "Email"
+msgstr "El. paštas"
+
+msgid "New password"
+msgstr "Naujas slaptažodis"
+
+msgid "New password confirmation"
+msgstr "Naujo slaptažodžio patvirtinimas"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Blogai įvestas senas slaptažodis. Bandykite dar kartą."
+
+msgid "Old password"
+msgstr "Senas slaptažodis"
+
+msgid "Password (again)"
+msgstr "Slaptažodis (dar kartą)"
+
+msgid "algorithm"
+msgstr "algoritmas"
+
+msgid "iterations"
+msgstr "iteracijos"
+
+msgid "salt"
+msgstr "druska"
+
+msgid "hash"
+msgstr "maiša"
+
+msgid "variety"
+msgstr "įvairovė"
+
+msgid "version"
+msgstr "versija"
+
+msgid "memory cost"
+msgstr "atminties sąnaudos"
+
+msgid "time cost"
+msgstr "laiko sąnaudos"
+
+msgid "parallelism"
+msgstr "paralelizmas"
+
+msgid "work factor"
+msgstr "darbo faktorius"
+
+msgid "checksum"
+msgstr "kontrolinė suma"
+
+msgid "name"
+msgstr "vardas"
+
+msgid "content type"
+msgstr "turinio tipas"
+
+msgid "codename"
+msgstr "kodinis vardas"
+
+msgid "permission"
+msgstr "leidimas"
+
+msgid "permissions"
+msgstr "leidimai"
+
+msgid "group"
+msgstr "grupė"
+
+msgid "groups"
+msgstr "grupės"
+
+msgid "superuser status"
+msgstr "supervartotojo statusas"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Pažymi, kad šis vartotojas turi visas teises be specialių nustatymų."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupės, kurioms šis vartotojas priklauso. Vartotojas gaus visas teises, "
+"kurios yra suteiktos jo grupėms."
+
+msgid "user permissions"
+msgstr "vartotojo leidimai"
+
+msgid "Specific permissions for this user."
+msgstr "Specifiniai šio vartotojo leidimai."
+
+msgid "username"
+msgstr "vartotojo vardas"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Privalomas. 150 arba mažiau simbolių. Raidės, skaičiai bei @/./+/-/_ "
+"simboliai."
+
+msgid "A user with that username already exists."
+msgstr "Jau egzistuoja vartotojas su tokiu vardu."
+
+msgid "first name"
+msgstr "vardas"
+
+msgid "last name"
+msgstr "pavardė"
+
+msgid "email address"
+msgstr "El. pašto adresas"
+
+msgid "staff status"
+msgstr "personalo statusas"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Nurodo ar vartotojas gali prisijungti prie administravimo puslapio."
+
+msgid "active"
+msgstr "aktyvus"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Nurodo ar vartotojas yra aktyvuotas. Užuot pašalinę vartotoją, galite nuimti "
+"šią žymę."
+
+msgid "date joined"
+msgstr "data, kada prisijungė"
+
+msgid "user"
+msgstr "vartotojas"
+
+msgid "users"
+msgstr "vartotojai"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Šis slaptažodis yra per trumpas. Jį turi sudaryti bent %(min_length)d "
+"simbolis."
+msgstr[1] ""
+"Šis slaptažodis yra per trumpas. Jį turi sudaryti bent %(min_length)d "
+"simboliai."
+msgstr[2] ""
+"Šis slaptažodis yra per trumpas. Jį turi sudaryti bent %(min_length)d "
+"simbolių."
+msgstr[3] ""
+"Šis slaptažodis yra per trumpas. Jį turi sudaryti bent %(min_length)d "
+"simbolių."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Jūsų slaptažodį turi sudaryti bent %(min_length)d simbolis."
+msgstr[1] "Jūsų slaptažodį turi sudaryti bent %(min_length)d simboliai."
+msgstr[2] "Jūsų slaptažodį turi sudaryti bent %(min_length)d simbolių."
+msgstr[3] "Jūsų slaptažodį turi sudaryti bent %(min_length)d simbolių."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Slaptažodis pernelyg panašus į %(verbose_name)s."
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+"Jūsų slaptažodis negali būti pernelyg panašus į kitą jūsų asmeninę "
+"informaciją."
+
+msgid "This password is too common."
+msgstr "Šis slaptažodis yra per dažnai pasitaikantis."
+
+msgid "Your password can't be a commonly used password."
+msgstr "Jūsų slaptažodis negali būti dažnai naudojamu slaptažodžiu."
+
+msgid "This password is entirely numeric."
+msgstr "Šis slaptažodis sudarytas tik iš skaitmenų."
+
+msgid "Your password can't be entirely numeric."
+msgstr "Jūsų slaptažodis negali būti sudarytas tik iš skaitmenų."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Slaptažodis atkurtas ant %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Įveskite korektišką vartotojo vardą. Ši reikšmė gali turėti tik angliško "
+"alfabeto raides, skaičius  ir @/./+/-/_ simbolius."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Įveskite korektišką vartotojo vardą. Ši reikšmė gali turėti tik raides, "
+"skaičius  ir @/./+/-/_ simbolius."
+
+msgid "Logged out"
+msgstr "Atsijungęs"
+
+msgid "Password reset"
+msgstr "Slaptažodžio atstatymas"
+
+msgid "Password reset sent"
+msgstr "Slaptažodžio atstatymas išsiųstas"
+
+msgid "Enter new password"
+msgstr "Įveskite naują slaptažodį"
+
+msgid "Password reset unsuccessful"
+msgstr "Slaptažodžio atstatymas nesėkmingas"
+
+msgid "Password reset complete"
+msgstr "Slaptažodžio atstatymas baigtas"
+
+msgid "Password change"
+msgstr "Slaptažodžio keitimas"
+
+msgid "Password change successful"
+msgstr "Slaptažodis sėkmingai pakeistas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8d9d49f4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2c8e742c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,313 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2023
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2017,2022
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2019,2021
+# peterisb <pb@sungis.lv>, 2016
+# Pēteris Caune, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Pēteris Caune, 2023\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Personal info"
+msgstr "Personīgā informācija"
+
+msgid "Permissions"
+msgstr "Tiesības"
+
+msgid "Important dates"
+msgstr "Svarīgi datumi"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s objekts ar primāro atslēgu %(key)r neeksistē."
+
+msgid "Password changed successfully."
+msgstr "Parole nomainīta sekmīgi."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Paroles maiņa: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentifikācija un autorizācija"
+
+msgid "password"
+msgstr "parole"
+
+msgid "last login"
+msgstr "pēdējoreiz pieslēdzies"
+
+msgid "No password set."
+msgstr "Nav norādīta parole"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Nederīgs paroles formāts vai nezināms hash algoritms."
+
+msgid "The two password fields didn’t match."
+msgstr "Paroles lauki nesakrita."
+
+msgid "Password"
+msgstr "Parole"
+
+msgid "Password confirmation"
+msgstr "Paroles apstiprinājums"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Ievadi iepriekš norādīto paroli verifikācijai."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Paroles netiek glabātas brīvā tekstā, tāpēc nav iespējams apskatīt lietotāja "
+"paroli, bet jūs varat to nomainīt, izmantojot <a href=\"{}\">šo formu</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Lūdzu ievadiet korektu informāciju laukos %(username)s un parole. Ņemiet "
+"vērā, ka abi ievades lauki ir reģistrjutīgi."
+
+msgid "This account is inactive."
+msgstr "Šis konts nav aktīvs."
+
+msgid "Email"
+msgstr "E-pasts"
+
+msgid "New password"
+msgstr "Jaunā parole"
+
+msgid "New password confirmation"
+msgstr "Jaunās parole vēlreiz"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Jūsu iepriekšējā parole netika ievadīta korekti. Lūdzu ievadiet to atkārtoti."
+
+msgid "Old password"
+msgstr "Vecā parole"
+
+msgid "Password (again)"
+msgstr "Parole (vēlreiz)"
+
+msgid "algorithm"
+msgstr "algoritms"
+
+msgid "iterations"
+msgstr "iterācijas"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "dažādība"
+
+msgid "version"
+msgstr "versija"
+
+msgid "memory cost"
+msgstr "atmiņas izmaksas"
+
+msgid "time cost"
+msgstr "laika izmaksas"
+
+msgid "parallelism"
+msgstr "paralēlisms"
+
+msgid "work factor"
+msgstr "darba faktors"
+
+msgid "checksum"
+msgstr "kontrolsumma"
+
+msgid "block size"
+msgstr "bloka izmērs"
+
+msgid "name"
+msgstr "nosaukums"
+
+msgid "content type"
+msgstr "satura tips"
+
+msgid "codename"
+msgstr "kods"
+
+msgid "permission"
+msgstr "tiesība"
+
+msgid "permissions"
+msgstr "tiesības"
+
+msgid "group"
+msgstr "grupa"
+
+msgid "groups"
+msgstr "grupas"
+
+msgid "superuser status"
+msgstr "superlietotāja statuss"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Nosaka, ka lietotājam ir visas tiesības arī bez to atsevišķas piešķiršanas."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupas, kurām lietotājs pieder. Lietotājam būs visas tiesības, kuras ir "
+"piešķirtas grupām, kurām tas pieder."
+
+msgid "user permissions"
+msgstr "lietotāja tiesības"
+
+msgid "Specific permissions for this user."
+msgstr "Lietotāja specifiskās tiesības."
+
+msgid "username"
+msgstr "lietotājvārds"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Obligāts. 150 vai mazāk zīmes. Tikai burti, cipari un @/./+/-/_ ."
+
+msgid "A user with that username already exists."
+msgstr "Lietotājs ar šādu lietotāja vārdu jau eksistē."
+
+msgid "first name"
+msgstr "vārds"
+
+msgid "last name"
+msgstr "uzvārds"
+
+msgid "email address"
+msgstr "e-pasta adrese"
+
+msgid "staff status"
+msgstr "personāla statuss"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Atzīmējiet, ja vēlaties, lai lietotājs var pieslēgties administrācijas lapā."
+
+msgid "active"
+msgstr "aktīvs"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Nosaka, vai lietotājs ir aktīvs. Lietojiet šo kā alternatīvu kontu dzēšanai."
+
+msgid "date joined"
+msgstr "datums, kad pievienojies"
+
+msgid "user"
+msgstr "lietotājs"
+
+msgid "users"
+msgstr "lietotāji"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Šī parole ir pārāk īsa. Tai ir jābūt vismaz %(min_length)d zīmes garai."
+msgstr[1] ""
+"Šī parole ir pārāk īsa. Tai ir jābūt vismaz %(min_length)d zīmi garai.."
+msgstr[2] ""
+"Šī parole ir pārāk īsa. Tai ir jābūt vismaz %(min_length)d zīmēm garai."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Parolei ir jābūt vismaz %(min_length)d zīmēm garai."
+msgstr[1] "Parolei ir jābūt vismaz %(min_length)d zīmi garai."
+msgstr[2] "Parolei ir jābūt vismaz %(min_length)d zīmēm garai."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Parole ir pārāk līdzīga %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Parole nedrīkst būt pārāk līdzīga pārējai personīgajai informācijai."
+
+msgid "This password is too common."
+msgstr "Parole ir pārāk bieži lietota."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Parole nedrīkst būt no bieži lietotu paroļu saraksta."
+
+msgid "This password is entirely numeric."
+msgstr "Parole sastāv tikai no cipariem."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Parole nedrīkst sastāvēt tikai no cipariem."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Paroles pārstatīšana %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Ievadi derīgu lietotāja vārdu. Šī vērtība var saturēt tikai mazos a-z un "
+"lielos A-Z burtus bez diakritiskajām zīmēm, ciparus un @/./+/-/_ simbolus."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Ievadi derīgu lietotāja vārdu. Šī vērtība var saturēt tikai burtus, ciparus "
+"un @/./+/-/_ simbolus."
+
+msgid "Logged out"
+msgstr "Atslēdzies"
+
+msgid "Password reset"
+msgstr "Paroles atiestatīšana"
+
+msgid "Password reset sent"
+msgstr "Paroles atiestatīšanas informācija nosūtīta"
+
+msgid "Enter new password"
+msgstr "Ievadiet jauno paroli"
+
+msgid "Password reset unsuccessful"
+msgstr "Paroles atiestatīšana nesekmīga"
+
+msgid "Password reset complete"
+msgstr "Paroles atiestatīšana pabeigta"
+
+msgid "Password change"
+msgstr "Paroles maiņa"
+
+msgid "Password change successful"
+msgstr "Paroles maiņa sekmīga"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4909b206
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a991af00
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,308 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# dekomote <dr.mote@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2016-2017
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2013-2015
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Personal info"
+msgstr "Лични информации"
+
+msgid "Permissions"
+msgstr "Привилегии"
+
+msgid "Important dates"
+msgstr "Важни датуми"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Не постои %(name)s објект со примарен клуч %(key)r."
+
+msgid "Password changed successfully."
+msgstr "Успешна промена на лозинката."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Промени лозинка: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Автентикација и авторизација"
+
+msgid "password"
+msgstr "лозинка"
+
+msgid "last login"
+msgstr "последна најава"
+
+msgid "No password set."
+msgstr "Нема зададена лозинка."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Невалиден формат на лозинка или непознат алгоритам за хеширање."
+
+msgid "The two password fields didn't match."
+msgstr "Двете полиња со лозинките не се совпаѓаат."
+
+msgid "Password"
+msgstr "Лозинка"
+
+msgid "Password confirmation"
+msgstr "Потврда на лозинка"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Внесете ја истата лозинка како претходно, за верификација."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Ве молиме внесете ја точно %(username)s и лозинка. Имајте на ум дека двете "
+"полиња може да бидат со мали букви."
+
+msgid "This account is inactive."
+msgstr "Оваа сметка е неактивна."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Нова лозинка"
+
+msgid "New password confirmation"
+msgstr "Потврда за нова лозинка"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Не ја внесовте точно вашата стара лозинка. Ве молам внесете ја повторно."
+
+msgid "Old password"
+msgstr "Стара лозинка"
+
+msgid "Password (again)"
+msgstr "Лозинка (повторно)"
+
+msgid "algorithm"
+msgstr "алгоритам"
+
+msgid "iterations"
+msgstr "повторувања"
+
+msgid "salt"
+msgstr "случаен клуч"
+
+msgid "hash"
+msgstr "хеш"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr "верзија"
+
+msgid "memory cost"
+msgstr "просторна (мемориска) комплексност"
+
+msgid "time cost"
+msgstr "временска комплексност"
+
+msgid "parallelism"
+msgstr "паралелизам"
+
+msgid "work factor"
+msgstr "фактор на работа"
+
+msgid "checksum"
+msgstr "проверка"
+
+msgid "name"
+msgstr "име"
+
+msgid "content type"
+msgstr "тип содржина"
+
+msgid "codename"
+msgstr "кодно име"
+
+msgid "permission"
+msgstr "привилегија"
+
+msgid "permissions"
+msgstr "привилегии"
+
+msgid "group"
+msgstr "група"
+
+msgid "groups"
+msgstr "групи"
+
+msgid "superuser status"
+msgstr "статус на суперкорисник"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Означува дека овој корисник ги има сите привилегии без експлицитно да се "
+"доделуваат сите."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Групите на коишто припаѓа овој корисник. Корисникот ќе ги добие сите "
+"пермисии на секоја од избраните групи."
+
+msgid "user permissions"
+msgstr "кориснички привилегии"
+
+msgid "Specific permissions for this user."
+msgstr "Специфични дозволи за овој корисник."
+
+msgid "username"
+msgstr "корисничко име"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Задолжително. 150 или помалку знаци. Единствено букви, бројки и  @/./+/-/_ ."
+
+msgid "A user with that username already exists."
+msgstr "Веќе постои корисник со тоа корисничко име."
+
+msgid "first name"
+msgstr "име"
+
+msgid "last name"
+msgstr "презиме"
+
+msgid "email address"
+msgstr "email адреса"
+
+msgid "staff status"
+msgstr "статус на администраторите"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Означува дали корисникот може да се логира во сајтот за администрација."
+
+msgid "active"
+msgstr "активен"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Означува дали корисникот треба да биде активен. Одштиклирајте го ова наместо "
+"да бришете корисници."
+
+msgid "date joined"
+msgstr "датум на зачленување"
+
+msgid "user"
+msgstr "корисник"
+
+msgid "users"
+msgstr "корисници"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Оваа лозинка е премногу кратка. Мора да содржи најмалку %(min_length)d "
+"карактер."
+msgstr[1] ""
+"Оваа лозинка е премногу кратка. Мора да содржи најмалку %(min_length)d "
+"карактери."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Вашата лозинка мора да содржи најмалку %(min_length)d карактер."
+msgstr[1] "Вашата лозинка мора да содржи најмалку %(min_length)d карактери."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Лозинката е премногу слична со %(verbose_name)s."
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+"Вашата лозинка не смее да биде премногу слична со други лични информации."
+
+msgid "This password is too common."
+msgstr "Оваа лозинка е премногу често користена."
+
+msgid "Your password can't be a commonly used password."
+msgstr "Вашата лозинка не смее да биде лозинка која се користи многу често."
+
+msgid "This password is entirely numeric."
+msgstr "Оваа лозинка содржи само цифри."
+
+msgid "Your password can't be entirely numeric."
+msgstr "Вашата лозинка не може да содржи само цифри."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Ресетирање на лозинка за  %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Внесете валидно корисничко име. Оваа вредност може да содржи само латински "
+"букви, бројки и @/./+/-/_ знаци."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Внесете валидно корисничко име. Оваа вредност може да содржи само букви, "
+"бројки и @/./+/-/_ знаци."
+
+msgid "Logged out"
+msgstr "Одјавен"
+
+msgid "Password reset"
+msgstr "Ресетирање на лозинка"
+
+msgid "Password reset sent"
+msgstr "Испратено информации за ресетирање лозинка"
+
+msgid "Enter new password"
+msgstr "Внесете нова лозинка"
+
+msgid "Password reset unsuccessful"
+msgstr "Неуспешно ресетирање на лозинка"
+
+msgid "Password reset complete"
+msgstr "Ресетирањето на лозинката е завршено"
+
+msgid "Password change"
+msgstr "Промена на лозинка"
+
+msgid "Password change successful"
+msgstr "Успешна промена на лозинка"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d247f8ea
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b407d069
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,303 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# David Forgoz <david.forgoz@gmail.com>, 2012
+# Hrishikesh <hrishi.kb@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rag sagar <ragsagar@gmail.com>, 2016
+# Rajeesh Nair <rajeeshrnair@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2019-03-03 09:43+0000\n"
+"Last-Translator: Hrishikesh <hrishi.kb@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "വ്യക്തിപരമായ വിവരങ്ങള്‍"
+
+msgid "Permissions"
+msgstr "അനുമതികള്‍"
+
+msgid "Important dates"
+msgstr "പ്രധാന തീയതികള്‍"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(key)r പ്രൈമറി കീയായുള്ള %(name)s ന്റെ ഒബ്ജക്റ്റ് നിലവിലില്ല."
+
+msgid "Password changed successfully."
+msgstr "പാസ്സ്‌വേഡ് മാറ്റിയിരിക്കുന്നു."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "പാസ്സ്‌വേഡ് മാറ്റുക: %s"
+
+msgid "Authentication and Authorization"
+msgstr "ആധികാരികതയും അധികാരപ്പെടുത്തലും"
+
+msgid "password"
+msgstr "പാസ്സ്‌വേഡ്"
+
+msgid "last login"
+msgstr "അവസാനമായി ലോഗിന്‍ ചെയ്തത്"
+
+msgid "No password set."
+msgstr "പാസ്സ്‌വേഡ് സജ്ജീകരിച്ചിട്ടില്ല."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"പാസ്സ്‌വേഡിന്റെ ഫോർമാറ്റ് ശെരിയല്ലാതിരിക്കുകയോ അറിയാത്ത ഹാഷിങ്ങ് അൽഗോരിതം ഉപയോഗിക്കുകയോ "
+"ചെയ്തിരിക്കുന്നു."
+
+msgid "The two password fields didn't match."
+msgstr "രണ്ട് പാസ്സ്‌വേഡ് ഫീൽഡുകളും തമ്മിൽ ചേരുന്നില്ല."
+
+msgid "Password"
+msgstr "പാസ്സ്‌വേഡ്"
+
+msgid "Password confirmation"
+msgstr "പാസ്സ്‌വേഡ് ഉറപ്പാക്കല്‍"
+
+msgid "Enter the same password as before, for verification."
+msgstr "നേരത്തെ നല്കിയ രഹസ്യവാക്ക് പരിശോധിക്കനായി പിന്നെയും നല്കുക. "
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"ദയവായി ശരിയായ %(username)s ഉം രഹസ്യവാക്കും നല്കുക. രണ്ട് കള്ളികളിലും വലിയക്ഷരങ്ങളും "
+"ചെറിയക്ഷരങ്ങളും വെവ്വേറെയായിരിക്കും."
+
+msgid "This account is inactive."
+msgstr "ഈ അക്കൗണ്ട് മരവിപ്പിച്ചതാണ്."
+
+msgid "Email"
+msgstr "ഈമെയിൽ"
+
+msgid "New password"
+msgstr "പുതിയ പാസ്‌വേര്‍ഡ്"
+
+msgid "New password confirmation"
+msgstr "പുതിയ പാസ്‌വേര്‍ഡ് ഉറപ്പാക്കല്‍"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "നിങ്ങളുടെ പഴയ പാസ്‌വേര്‍ഡ് തെറ്റായാണ് നല്കിയത്. തിരുത്തുക."
+
+msgid "Old password"
+msgstr "പഴയ പാസ്‌വേര്‍ഡ്"
+
+msgid "Password (again)"
+msgstr "പാസ്‌വേര്‍ഡ് (വീണ്ടും)"
+
+msgid "algorithm"
+msgstr "അല്‍ഗോരിതം"
+
+msgid "iterations"
+msgstr "പുനരാവൃത്തികള്‍"
+
+msgid "salt"
+msgstr "സോള്‍ട്ട്"
+
+msgid "hash"
+msgstr "ഹാഷ്"
+
+msgid "variety"
+msgstr "തരം"
+
+msgid "version"
+msgstr "പതിപ്പ്"
+
+msgid "memory cost"
+msgstr "മെമ്മറി ചിലവ്"
+
+msgid "time cost"
+msgstr "സമയത്തിന്റെ ചിലവ്"
+
+msgid "parallelism"
+msgstr "സമാന്തരമായി"
+
+msgid "work factor"
+msgstr "വര്‍ക്ക് ഫാക്ടര്‍"
+
+msgid "checksum"
+msgstr "ചെക്‍സം"
+
+msgid "name"
+msgstr "പേര്"
+
+msgid "content type"
+msgstr "കണ്ടന്റ് ടൈപ്പ്"
+
+msgid "codename"
+msgstr "കോഡ്-നാമം"
+
+msgid "permission"
+msgstr "അനുമതി"
+
+msgid "permissions"
+msgstr "അനുമതികള്‍"
+
+msgid "group"
+msgstr "ഗ്രൂപ്പ്"
+
+msgid "groups"
+msgstr "ഗ്രൂപ്പുകള്‍"
+
+msgid "superuser status"
+msgstr "സൂപ്പര്‍-യൂസര്‍ പദവി"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "ഈ ഉപയോക്താവിന് എടുത്തു പറയാതെ തന്നെ എല്ലാ അനുമതികളും ലഭിക്കുന്നതാണെന്ന് വ്യക്തമാക്കുന്നു"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"ഈ ഉപയോക്താവ് ഭാഗമായിട്ടുള്ള ഗ്രൂപ്പുകൾ. ഒരു ഉപയോക്താവ് ഭാഗമായിട്ടുള്ള ഓരോ ഗ്രൂപ്പിലേ അനുമതികളും "
+"ആ ഉപയോക്താവിനു ലഭിക്കുന്നതാണ്."
+
+msgid "user permissions"
+msgstr "യൂസര്‍ (ഉപയോക്താവ്)നുള്ള അനുമതികള്‍"
+
+msgid "Specific permissions for this user."
+msgstr "ഈ ഉപയോക്താവിനു മാത്രമായുള്ള അനുമതികൾ."
+
+msgid "username"
+msgstr "യൂസര്‍ നാമം (ഉപയോക്ത്രു നാമം)"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"നിര്‍ബന്ധം. 150 ഓ അതില്‍ കുറവോ അക്ഷരങ്ങള്‍, അക്കങ്ങള്‍, പിന്നെ @/./+/-/_ എന്നിവയും മാത്രം."
+
+msgid "A user with that username already exists."
+msgstr "ആ പേരുള്ള ഒരു ഉപയോക്താവ് നിലവിലുണ്ട്."
+
+msgid "first name"
+msgstr "പേര് - ആദ്യഭാഗം"
+
+msgid "last name"
+msgstr "പേര് - അന്ത്യഭാഗം"
+
+msgid "email address"
+msgstr "ഈമെയിൽ വിലാസം"
+
+msgid "staff status"
+msgstr "സ്റ്റാഫ് പദവി"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "ഈ യൂസര്‍ക്ക് ഈ അഡ്മിന്‍ സൈറ്റിലേക്ക് പ്രവേശിക്കാമോ എന്നു വ്യക്തമാക്കാന്‍"
+
+msgid "active"
+msgstr "സജീവം"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"ഈ യൂസര്‍ സജീവമാണോയെന്ന് വ്യക്തമാക്കുന്നു. അക്കൗണ്ട് ഡിലീറ്റ് ചെയ്യുന്നതിനു പകരം ഇത് ഒഴിവാക്കുക."
+
+msgid "date joined"
+msgstr "ചേര്‍ന്ന തീയതി"
+
+msgid "user"
+msgstr "യൂസര്‍ (ഉപയോക്താവ്)"
+
+msgid "users"
+msgstr "യൂസേര്‍സ് (ഉപയോക്താക്കള്‍)"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"ഈ രഹസ്യവാക്ക് വളരെ ചെറുതാണ്. രഹസ്യവാക്കിൽ കുറഞ്ഞത് %(min_length)d അക്ഷരമെങ്കിലും വേണം."
+msgstr[1] ""
+"ഈ രഹസ്യവാക്ക് വളരെ ചെറുതാണ്. രഹസ്യവാക്കിൽ കുറഞ്ഞത് %(min_length)d അക്ഷരങ്ങളെങ്കിലും വേണം."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "താങ്കളുടെ രഹസ്യവാക്കിൽ കുറഞ്ഞത് %(min_length)d അക്ഷരമെങ്കിലും ഉണ്ടാവണം."
+msgstr[1] "താങ്കളുടെ രഹസ്യവാക്കിൽ കുറഞ്ഞത് %(min_length)d അക്ഷരങ്ങളെങ്കിലും ഉണ്ടാവണം."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "ഈ രഹസ്യവാക്കിനു %(verbose_name)s ആയി  വളരെ സാമ്യം കാണുന്നു."
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+"താങ്കളുടെ മറ്റു വ്യക്തി വിവരുങ്ങളുമായി താങ്കളുടെ രഹസ്യവാക്കിനു ഒരുപാട് സാമ്യമുണ്ടാകാൻ പാടില്ല."
+
+msgid "This password is too common."
+msgstr "ഈ രഹസ്യവാക്ക് വളരെ സാധാരണമാണ്."
+
+msgid "Your password can't be a commonly used password."
+msgstr "താങ്കളുടെ രഹസ്യവാക്ക് വളരെ സാധാരണമായ ഒരു രഹസ്യവാക്കാകാൻ പാടില്ല."
+
+msgid "This password is entirely numeric."
+msgstr "ഈ രഹസ്യവാക്ക് മുഴുവനും അക്കങ്ങൾ മാത്രമാണ്."
+
+msgid "Your password can't be entirely numeric."
+msgstr "താങ്കളുടെ രഹസ്യവാക്ക് മുഴുവനായി അക്കങ്ങൾ മാത്രമാകാൻ പാടില്ല."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s ലെ പാസ്‌വേര്‍ഡ് മാറ്റിയിരിക്കുന്നു"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"ശരിയായ ഉപയോക്ത്രു നാമം നല്കുക. ഇതിൽ ഇംഗ്ഗ്ലീഷ് അക്ഷരങ്ങളും അക്കങ്ങളും പിന്നെ @/./+/-/_ "
+"എന്നിവയും മാത്രമേ അനുവദനീയമായുള്ളൂ."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"ശരിയായ ഉപയോക്ത്രു നാമം നല്കുക. ഇതിൽ അക്ഷരങ്ങളും അക്കങ്ങളും പിന്നെ @/./+/-/_ എന്നിവയും "
+"മാത്രമേ അനുവദനീയമായുള്ളൂ."
+
+msgid "Logged out"
+msgstr "ലോഗ്-ഔട്ട് ചെയ്തു (പുറത്തിറങ്ങി)"
+
+msgid "Password reset"
+msgstr "രഹസ്യവാക്ക് പുനർക്രമീകരിക്കുക."
+
+msgid "Password reset sent"
+msgstr "രഹസ്യവാക്ക് പുനർക്രമീകരിക്കാൻ അയച്ചു"
+
+msgid "Enter new password"
+msgstr "പുതിയ രഹസ്യവാക്ക് നല്കുക"
+
+msgid "Password reset unsuccessful"
+msgstr "രഹസ്യവാക്ക് പുനർക്രമീകരണം പരാജയപ്പെട്ടിരിക്കുന്നു."
+
+msgid "Password reset complete"
+msgstr "രഹസ്യവാക്ക് പുനർക്രമീകരണം പൂർത്തിയായി."
+
+msgid "Password change"
+msgstr "രഹസ്യവാക്ക് മാറ്റം"
+
+msgid "Password change successful"
+msgstr "രഹസ്യവാക്ക് വിജയകരമായി മാറ്റിയിരിക്കുന്നു."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0c2a3c80
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..76deb1e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,310 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bayarkhuu Bataa, 2015,2017
+# Delgermurun Purevkhuuu <info@delgermurun.com>, 2013
+# dolugen <dolugen@gmail.com>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+# miigaa ... <b.myagmardorj@gmail.com>, 2015
+# Zorig <zorig_ezd@yahoo.com>, 2013-2014,2017
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2015
+# Баясгалан Цэвлээ <bayasaa_7672@yahoo.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-10-19 13:49+0000\n"
+"Last-Translator: Bayarkhuu Bataa\n"
+"Language-Team: Mongolian (http://www.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Хувийн мэдээлэл"
+
+msgid "Permissions"
+msgstr "Эрхүүд"
+
+msgid "Important dates"
+msgstr "Чухал огноо"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(key)r анхдагч түлхүүртэй %(name)s обьект олдсонгүй."
+
+msgid "Password changed successfully."
+msgstr "Нууц үг амжилттай өөрчлөгдлөө."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Нууц үг өөрчлөх: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Нэвтрэлт ба зөвшөөрөл"
+
+msgid "password"
+msgstr "нууц үг"
+
+msgid "last login"
+msgstr "сүүлд нэвтэрсэн"
+
+msgid "No password set."
+msgstr "Нууц үг тохируулаагүй."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Нууц үгийн буруу формат эсвэл үл мэдэгдэх хаш алгоритм байна."
+
+msgid "The two password fields didn't match."
+msgstr "Хоёр нууц үг зөрж байна."
+
+msgid "Password"
+msgstr "Нууц үг "
+
+msgid "Password confirmation"
+msgstr "Нууц үгийн баталгаажуулалт"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Баталгаажуулахын тулд дээрх нууц үгээ ахин оруулна уу."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Хэрэглэгчийн нууц үгийг хувиргалгүйгээр хадгалдаггүй учир шууд харах "
+"боломжгүй, гэхдээ <a href=\"{}\">энэ маягт</a> ашиглан өөрчилж болно."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Зөв %(username)s, нууц үг оруулна уу. Том жижиг үсэг ялгаатай болохыг "
+"анхаарна уу."
+
+msgid "This account is inactive."
+msgstr "Энэ бүртгэл идэвхгүй байна."
+
+msgid "Email"
+msgstr "Имэйл"
+
+msgid "New password"
+msgstr "Шинэ нууц үг"
+
+msgid "New password confirmation"
+msgstr "Шинэ нууц үгийн баталгаажуулалт"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Хуучин нууц үгээ буруу оруулсан байна. Ахин оруулна уу."
+
+msgid "Old password"
+msgstr "Хуучин нууц үг"
+
+msgid "Password (again)"
+msgstr "Нууц үг (давтан)"
+
+msgid "algorithm"
+msgstr "алгоритм"
+
+msgid "iterations"
+msgstr "давталтууд"
+
+msgid "salt"
+msgstr "давс"
+
+msgid "hash"
+msgstr "хаш"
+
+msgid "variety"
+msgstr "боломж"
+
+msgid "version"
+msgstr "хувилбар"
+
+msgid "memory cost"
+msgstr "санах ойн өртөг"
+
+msgid "time cost"
+msgstr "цагын зардал"
+
+msgid "parallelism"
+msgstr "зэрэгцүүлэлт"
+
+msgid "work factor"
+msgstr "ажлын байгуулагч"
+
+msgid "checksum"
+msgstr "шалгах дүн"
+
+msgid "name"
+msgstr "нэр"
+
+msgid "content type"
+msgstr "агуулгын төрөл"
+
+msgid "codename"
+msgstr "Код"
+
+msgid "permission"
+msgstr "зөвшөөрөл"
+
+msgid "permissions"
+msgstr "зөвшөөрлүүд"
+
+msgid "group"
+msgstr "бүлэг "
+
+msgid "groups"
+msgstr "бүлгүүд"
+
+msgid "superuser status"
+msgstr "Удирдлагын төлөв"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Энэ хэрэглэгчид бүх зөвшөөрөл байгааг ил тод харуулалгүй тодорхойлно. "
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Хэрэглэгчийн харьяалагдах бүлгүүд. Хэрэглэгчид сонгосон бүлгийн бүх эрх "
+"зөвшөөрөгдөх болно. "
+
+msgid "user permissions"
+msgstr "хэрэглэгчийн эрхүүд"
+
+msgid "Specific permissions for this user."
+msgstr "Хэрэглэгчид тодорхойлж өгсөн эрх"
+
+msgid "username"
+msgstr "хэрэглэгчийн нэр"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Заавал. 150 ба түүнээс бага үсэгтэй. Зөвхөн латин үсэг, тоо болон @/./+/-/_ "
+"тэмдэгтүүдийг зөвшөөрнө."
+
+msgid "A user with that username already exists."
+msgstr "Ийм хэрэглэгчийн нэртэй хэрэглэгч өмнө нь бүртгүүлсэн байна."
+
+msgid "first name"
+msgstr "нэр"
+
+msgid "last name"
+msgstr "овог"
+
+msgid "email address"
+msgstr "имэйл хаяг"
+
+msgid "staff status"
+msgstr "Хэрэглэгчдийн төлөв"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Уг удирдлагын сайт руу хэрэглэгч нэвтрэх боломжтой эсэхийг тодорхойлно."
+
+msgid "active"
+msgstr "идэвхтэй"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Энэ хэрэглэгчийг идэвхтэй болгох эсэхийг тодорхойлно. Бүртгэлийг нь устгахын "
+"оронд сонгохгүй байхад л хангалттай."
+
+msgid "date joined"
+msgstr "бүртгүүлсэн огноо"
+
+msgid "user"
+msgstr "хэрэглэгч "
+
+msgid "users"
+msgstr "хэрэглэгчид"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Нууц үг хэтэрхий богино байна. Хамгийн багадаа %(min_length)d тэмдэгтээс "
+"бүрдэх ёстой."
+msgstr[1] ""
+"Нууц үг хэтэрхий богино байна. Хамгийн багадаа %(min_length)d тэмдэгтээс "
+"бүрдэх ёстой."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Нууц хамгийн багадаа %(min_length)d тэмдэгтээс бүрдэх ёстой."
+msgstr[1] "Нууц хамгийн багадаа %(min_length)d тэмдэгтээс бүрдэх ёстой."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Нууц үг %(verbose_name)s мэдээлэлтэй хэтэрхий адилхан байна."
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr "Таны нууц үг бусад хувийн мэдээлэлтэй төстэй байж болохгүй."
+
+msgid "This password is too common."
+msgstr "Энэ нууц үг хэтэрхий нийтлэг байна."
+
+msgid "Your password can't be a commonly used password."
+msgstr "Таны нууц үг хүмүүсийн нийтлэг ашигладаг нууц үг байж болохгүй."
+
+msgid "This password is entirely numeric."
+msgstr "Нууц үг дан тооноос бүрдсэн байна."
+
+msgid "Your password can't be entirely numeric."
+msgstr "Таны нууц үг бүхэлдээ тооноос бүрдэж болохгүй."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s cайт дээрх нууц үг шинэчлэлт"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Зөв хэрэглэгчийн нэр оруулна уу. Англи хэлний үсэг, тоо болон @ . + - _ "
+"тэмдэгтүүдийг ашиглаж болно."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Зөв хэрэглэгчийн нэр оруулна уу. Англи хэлний үсэг, тоо болон @ . + - _ "
+"тэмдэгтүүдийг ашиглаж болно."
+
+msgid "Logged out"
+msgstr "Гарсан"
+
+msgid "Password reset"
+msgstr "Нууц үг шинэчлэх"
+
+msgid "Password reset sent"
+msgstr "Нууц үг шинэчлэх хүсэлт илгээгдлээ"
+
+msgid "Enter new password"
+msgstr "Шинэ нууц үг оруулах"
+
+msgid "Password reset unsuccessful"
+msgstr "Нууц үг шинэчлэлт амжилтгүй боллоо"
+
+msgid "Password reset complete"
+msgstr "Нууц үг шинэчилж дууслаа"
+
+msgid "Password change"
+msgstr "Нууц үг солих"
+
+msgid "Password change successful"
+msgstr "Нууц үг амжилттай солилоо"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..84eef503
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fa7b7f7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,299 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2024-01-25 08:09+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "वैयक्तिक माहिती"
+
+msgid "Permissions"
+msgstr "परवानगी"
+
+msgid "Important dates"
+msgstr "महत्वाच्या दिनांक"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "गुप्तशब्द यशस्वीरीत्या बदलला."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "गुप्तशब्द बदला: %s"
+
+msgid "Authentication and Authorization"
+msgstr "प्रमाणीकरण आणि अधिकृतता"
+
+msgid "password"
+msgstr "गुप्तशब्द"
+
+msgid "last login"
+msgstr "शेवटचा प्रवेश"
+
+msgid "No password set."
+msgstr "कोणताही गुप्तशब्द सेट केलेला नाही."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "अयोग्य गुप्तशब्द स्वरूप किंवा अज्ञात हॅशिंग अलगोरीथम."
+
+msgid "The two password fields didn’t match."
+msgstr "दोन गुप्तशब्द क्षेत्र जुळत नाहीत."
+
+msgid "Password"
+msgstr "गुप्तशब्द"
+
+msgid "Password confirmation"
+msgstr "गुप्तशब्द निच्छितीकरण"
+
+msgid "Enter the same password as before, for verification."
+msgstr "पडताळणीसाठी आधीच्या गुप्तशब्दासारखा समान गुप्तशब्द नमूद करा."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"कच्चे गुप्तशब्द साठवले जात नाहीत, त्यामुळे या वापरकर्त्याचा गुप्तशब्द पाहण्याचा कोणताही "
+"मार्ग नाही, परंतु तुम्ही हा <a href=\"{}\"> फॉर्म वापरून गुप्तशब्द बदलू शकता. </a>"
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"कृपया करून एक योग्य %(username)s आणि गुप्तशब्द नमूद करा. लक्षात घ्या की दोन्ही रखाणे "
+"संवेदनशील असू शकतात."
+
+msgid "This account is inactive."
+msgstr "हे खाते निष्क्रिय आहे."
+
+msgid "Email"
+msgstr "विपत्र"
+
+msgid "New password"
+msgstr "नवीन गुप्तशब्द"
+
+msgid "New password confirmation"
+msgstr "नवीन गुप्तशब्द निच्छितीकरण"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "तुम्ही जुना गुप्तशब्द चुकीचा टाकला होता. कृपया तो पुन्हा नमूद करा."
+
+msgid "Old password"
+msgstr "जुना गुप्तशब्द"
+
+msgid "Password (again)"
+msgstr "गुप्तशब्द (पुन्हा)"
+
+msgid "algorithm"
+msgstr "अल्गोरिदम"
+
+msgid "iterations"
+msgstr "पुनरावृत्ती"
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr "निरनिराळ्या"
+
+msgid "version"
+msgstr "आवृत्ती"
+
+msgid "memory cost"
+msgstr "स्मरणशक्ती खर्च"
+
+msgid "time cost"
+msgstr "वेळ खर्च"
+
+msgid "parallelism"
+msgstr "समांतरता"
+
+msgid "work factor"
+msgstr "कामाचा घटक"
+
+msgid "checksum"
+msgstr "चेकसम"
+
+msgid "block size"
+msgstr "ब्लॉक आकार"
+
+msgid "name"
+msgstr "नाव"
+
+msgid "content type"
+msgstr "सामुग्री प्रकार"
+
+msgid "codename"
+msgstr "सांकेतिक नाव"
+
+msgid "permission"
+msgstr "परवानगी"
+
+msgid "permissions"
+msgstr "परवानग्या"
+
+msgid "group"
+msgstr "समूह"
+
+msgid "groups"
+msgstr "समूहं"
+
+msgid "superuser status"
+msgstr "सुपरयूजर स्थिती"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "या वापरकर्त्याकडे स्पष्टपणे नियुक्त केल्याशिवाय सर्व परवानग्या आहेत असे नियुक्त करते."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"हा वापरकर्ता त्या गटांचा आहे. वापरकर्त्याला त्यांच्या प्रत्येक गटासाठी सर्व परवानग्या "
+"मिळतील."
+
+msgid "user permissions"
+msgstr "वापरकर्ता परवानग्या"
+
+msgid "Specific permissions for this user."
+msgstr "या वापरकर्त्यासाठी विशिष्ट परवानग्या."
+
+msgid "username"
+msgstr "वापरकर्तानाव"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "आवश्यक. 150 किंवा कमी वर्ण. अक्षरे, अंक आणि @/./+/-/_ फक्त. "
+
+msgid "A user with that username already exists."
+msgstr "त्या वापरकर्ता नावासह वापरकर्ता आधीपासूनच अस्तित्वात आहे."
+
+msgid "first name"
+msgstr "पहिले नाव"
+
+msgid "last name"
+msgstr "आडनाव"
+
+msgid "email address"
+msgstr "विपत्र पत्ता"
+
+msgid "staff status"
+msgstr "कर्मचारी स्थिती"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "वापरकर्ता या प्रशासक स्थळावर प्रवेश करू शकतो की नाही हे नियुक्त करते."
+
+msgid "active"
+msgstr "सक्रिय"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"या वापरकर्त्याला सक्रिय मानले जावे की नाही हे नियुक्त करते. खाती हटवण्याऐवजी ही निवड "
+"कमी करा. "
+
+msgid "date joined"
+msgstr "सहभाग दिनांक"
+
+msgid "user"
+msgstr "वापरकर्ता"
+
+msgid "users"
+msgstr "वापरकर्ते"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "गुप्तशब्द %(verbose_name)s सारखा अत्यंत सामान्य आहे."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "तुमचा गुप्तशब्द तुमच्या इतर वैयक्तिक माहितीशी सारखा असू शकत नाही."
+
+msgid "This password is too common."
+msgstr "हा गुप्तशब्द खूपच सामान्य आहे."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "तुमचा गुप्तशब्द हा सामान्यतः वापरला जाणारा गुप्तशब्द असू शकत नाही."
+
+msgid "This password is entirely numeric."
+msgstr "हा गुप्तशब्द पूर्णपणे संख्यात्मक आहे."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "तुमचा गुप्तशब्द पूर्णपणे संख्यात्मक असू शकत नाही."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s वरील गुप्तशब्द पुनरस्थापना"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"वैध वापरकर्तानाव प्रविष्ट करा. या मूल्यामध्ये केवळ असुरक्षित लोअरकेस a-z आणि अपरकेस A-Z "
+"अक्षरे, संख्या आणि @/./+/-/_ वर्ण असू शकतात."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"वैध वापरकर्तानाव प्रविष्ट करा. या मूल्यामध्ये फक्त अक्षरे, संख्या आणि @/./+/-/_ वर्ण असू "
+"शकतात."
+
+msgid "Logged out"
+msgstr "बाहेर पडलात"
+
+msgid "Password reset"
+msgstr "गुप्तशब्द पुनरस्थापना"
+
+msgid "Password reset sent"
+msgstr "गुप्तशब्द पुनरस्थापना पाठविले गेले आहे"
+
+msgid "Enter new password"
+msgstr "नवीन गुप्तशब्द लिहा"
+
+msgid "Password reset unsuccessful"
+msgstr "गुप्तशब्द पुनरस्थापना अयशस्वी"
+
+msgid "Password reset complete"
+msgstr "गुप्तशब्द पुनरस्थापना पूर्ण"
+
+msgid "Password change"
+msgstr "गुप्तशब्द बदलणे"
+
+msgid "Password change successful"
+msgstr "गुप्तशब्द बदलणे यशस्वी झाले"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ff5fb70b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b05dc590
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,313 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-11-16 14:43+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "Info peribadi"
+
+msgid "Permissions"
+msgstr "Kebenaran"
+
+msgid "Important dates"
+msgstr "Tarikh-tarikh penting"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Objek %(name)s dengan kunci utama %(key)r tidak wujud."
+
+msgid "Password changed successfully."
+msgstr "Kata laluan berjaya ditukar."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Tukar kata laluan: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Pengesahan dan Kebenaran"
+
+msgid "password"
+msgstr "kata laluan"
+
+msgid "last login"
+msgstr "log masuk terakhir"
+
+msgid "No password set."
+msgstr "Kata laluan tidak ditetapkan."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"Format kata laluan tidak sah atau algoritma hash yang tidak dapat dipastikan."
+
+msgid "The two password fields didn’t match."
+msgstr "Medan kedua-dua kata laluan tidak sepadan."
+
+msgid "Password"
+msgstr "Kata laluan"
+
+msgid "Password confirmation"
+msgstr "Pengesahan kata laluan"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+"Masukkan kata laluan yang sama seperti sebelumnya, bagi tujuan pengesahan."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Kata laluan mentah tidak disimpan, maka tiada cara untuk melihat kata laluan "
+"pengguna, tetapi anda boleh menukar kata laluan menggunakan <a href="
+"\"{}\">borang ini</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Sila masukkan %(username)s dan kata laluan yang betul. Ambil perhatian "
+"bahawa kedua-dua medan berkemungkinan kes-sensitif. "
+
+msgid "This account is inactive."
+msgstr "Akaun ini tidak aktif."
+
+msgid "Email"
+msgstr "Emel"
+
+msgid "New password"
+msgstr "Kata laluan baru"
+
+msgid "New password confirmation"
+msgstr "Pengesahan kata laluan baru"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Kata laluan lama anda tidak dimasukkan dengan betul. Sila masukkan sekali "
+"lagi."
+
+msgid "Old password"
+msgstr "Kata laluan lama"
+
+msgid "Password (again)"
+msgstr "Kata laluan (sekali lagi)"
+
+msgid "algorithm"
+msgstr "algortima"
+
+msgid "iterations"
+msgstr "lelaran"
+
+msgid "salt"
+msgstr "garam"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "kepelbagaian"
+
+msgid "version"
+msgstr "versi"
+
+msgid "memory cost"
+msgstr "kos memori"
+
+msgid "time cost"
+msgstr "kos masa"
+
+msgid "parallelism"
+msgstr "parallelisma"
+
+msgid "work factor"
+msgstr "faktor kerja"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr "saiz blok"
+
+msgid "name"
+msgstr "nama"
+
+msgid "content type"
+msgstr "jenis kandungan"
+
+msgid "codename"
+msgstr "nama kod"
+
+msgid "permission"
+msgstr "kebenaran"
+
+msgid "permissions"
+msgstr "kebenaran"
+
+msgid "group"
+msgstr "kumpulan"
+
+msgid "groups"
+msgstr "kumpulan-kumpulan"
+
+msgid "superuser status"
+msgstr "status pengguna hebat"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Menentukan bahawa pengguna ini mempunyai semua kebenaran tanpa memberikannya "
+"secara eksplisit."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Pengguna ini adalah ahli kepada kumpulan-kumpulan ini. Pengguna akan "
+"mewarisi semua kebenaran yang diberikan kepada kumpulan-kumpulan ini."
+
+msgid "user permissions"
+msgstr "kebenaran penguna"
+
+msgid "Specific permissions for this user."
+msgstr "Kebenaran-kebenaran spesifik bagi pengguna ini."
+
+msgid "username"
+msgstr "nama pengguna"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Diperlukan. 150 karakter atau kurang. Huruf, digit dan  @/./+/-/_ sahaja."
+
+msgid "A user with that username already exists."
+msgstr "Pengguna dengan nama pengguna ini sudah wujud."
+
+msgid "first name"
+msgstr "nama pertama"
+
+msgid "last name"
+msgstr "nama akhir"
+
+msgid "email address"
+msgstr "alamat emel"
+
+msgid "staff status"
+msgstr "status staf"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Menentukan samada pengguna ini boleh log masuk ke laman pentadbiran."
+
+msgid "active"
+msgstr "aktif"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Menentukan samada pengguna ini patut dilayan sebagai aktif. Padam pilihan "
+"ini daripada menghapuskan terus akaun pengguna."
+
+msgid "date joined"
+msgstr "tarikh serta"
+
+msgid "user"
+msgstr "pengguna"
+
+msgid "users"
+msgstr "pengguna-pengguna"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Kata laluan ini terlalu singkat. Ia harus mempunyai sekurang-kurangnya "
+"%(min_length)d karakter."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"Kata laluan anda harus mempunyai sekurang-kurangnya %(min_length)d karakter."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Kata laluan ini hampir sama dengan %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Kata laluan anda tidak boleh hampir sama dengan maklumat peribadi anda yang "
+"lain."
+
+msgid "This password is too common."
+msgstr "Kata laluan anda terlalu singkat."
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+"Kata laluan anda tidak boleh sama dengan kata laluan yang terlalu biasa "
+"digunakan."
+
+msgid "This password is entirely numeric."
+msgstr "Aksara kata laluan ini kesemuanya terdiri daripada nombor."
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+"Kata laluan anda tidak boleh terdiri daripada aksara nombor secara "
+"sepenuhnya."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Penetapan semula kata laluan di %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Masukkan nama pengguna yang sah. Nilai ini hanya boleh mengandungi huruf "
+"bahasa Inggeris, nombor, dan karakter-karakter @/./+/-/_ ."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Masukkan nama pengguna yang sah. Nilai boleh mengandungi huruf, mombor, dan "
+"karakter-karakter @/./+/-/_ ."
+
+msgid "Logged out"
+msgstr "Telah di log keluar"
+
+msgid "Password reset"
+msgstr "Penetapan semula kata laluan"
+
+msgid "Password reset sent"
+msgstr "Penetapan semula kata laluan telah dihantar"
+
+msgid "Enter new password"
+msgstr "Masukkan kata laluan yang baru"
+
+msgid "Password reset unsuccessful"
+msgstr "Penetapan semula kata laluan tidak berjaya "
+
+msgid "Password reset complete"
+msgstr "Penetapan semula kata laluan telah lengkap"
+
+msgid "Password change"
+msgstr "Penukaran kata laluan"
+
+msgid "Password change successful"
+msgstr "Penukaran kata laluan berjaya dilakukan"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a08a8195
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..400768c7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,282 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "ကိုယ်ရေးအချက်အလက်"
+
+msgid "Permissions"
+msgstr "ခွင့်ပြုချက်များ"
+
+msgid "Important dates"
+msgstr "အရေးကြီးနေ့စွဲများ"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr ""
+
+msgid "last login"
+msgstr ""
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr "စကားဝှက်"
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr "အီးမေးလ်"
+
+msgid "New password"
+msgstr ""
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr ""
+
+msgid "algorithm"
+msgstr "ပံုသေနည်း"
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "နာမည်"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr "အုပ်စု"
+
+msgid "groups"
+msgstr "အုပ်စုများ"
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr ""
+
+msgid "users"
+msgstr ""
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cb003029
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b388399e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,302 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jensadne <jensadne@pvv.ntnu.no>, 2014
+# Jon, 2015-2016
+# Jon, 2017,2020,2022
+# Jon, 2013
+# Sigurd Gartmann <sigurdga-transifex@sigurdga.no>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Jon, 2017,2020,2022\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Personlig informasjon"
+
+msgid "Permissions"
+msgstr "Rettigheter"
+
+msgid "Important dates"
+msgstr "Viktige datoer"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s-objekt med primærnøkkelen %(key)r finnes ikke."
+
+msgid "Password changed successfully."
+msgstr "Passordet er endret."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Endre passord: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentisering og autorisasjon"
+
+msgid "password"
+msgstr "passord"
+
+msgid "last login"
+msgstr "siste innlogging"
+
+msgid "No password set."
+msgstr "Passord ikke satt."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ugyldig passordformat eller ukjent hash-algoritme."
+
+msgid "The two password fields didn’t match."
+msgstr "De to passordfeltene er ikke like."
+
+msgid "Password"
+msgstr "Passord"
+
+msgid "Password confirmation"
+msgstr "Passordbekreftelse"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Skriv inn det samme passordet som tidligere, for verifisering."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Selve passordet lagres ikke, så det finnes ingen måte å se denne brukerens "
+"passord på. Du kan endre passordet med <a href=\"{}\">dette skjemaet</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Vennligst oppgi korrekt %(username)s og passord. Merk at det kan være "
+"forskjell på små og store bokstaver."
+
+msgid "This account is inactive."
+msgstr "Denne kontoen er inaktiv."
+
+msgid "Email"
+msgstr "E-post"
+
+msgid "New password"
+msgstr "Nytt passord"
+
+msgid "New password confirmation"
+msgstr "Bekreft nytt passord"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Ditt gamle passord er galt. Vennligst prøv igjen."
+
+msgid "Old password"
+msgstr "Gammelt passord"
+
+msgid "Password (again)"
+msgstr "Passord (gjenta)"
+
+msgid "algorithm"
+msgstr "algoritme"
+
+msgid "iterations"
+msgstr "iterasjoner"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variasjon"
+
+msgid "version"
+msgstr "versjon"
+
+msgid "memory cost"
+msgstr "minnekostnad"
+
+msgid "time cost"
+msgstr "tidskostnad"
+
+msgid "parallelism"
+msgstr "parallellitet"
+
+msgid "work factor"
+msgstr "arbeidsfaktor"
+
+msgid "checksum"
+msgstr "sjekksum"
+
+msgid "block size"
+msgstr "blokkstørrelse"
+
+msgid "name"
+msgstr "navn"
+
+msgid "content type"
+msgstr "innholdstype"
+
+msgid "codename"
+msgstr "kodenavn"
+
+msgid "permission"
+msgstr "rettighet"
+
+msgid "permissions"
+msgstr "rettigheter"
+
+msgid "group"
+msgstr "gruppe"
+
+msgid "groups"
+msgstr "grupper"
+
+msgid "superuser status"
+msgstr "superbruker"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Angir at denne brukeren har alle rettigheter uten å eksplisitt sette dem."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Gruppene denne brukeren er tilknyttet. En bruker vil ha alle rettigheter "
+"tilhørende gruppene han/hun er medlem av."
+
+msgid "user permissions"
+msgstr "Brukerrettigheter"
+
+msgid "Specific permissions for this user."
+msgstr "Spesifikke tilganger for denne brukeren."
+
+msgid "username"
+msgstr "brukernavn"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Påkrevet. 150 tegn eller færre. Kun bokstaver, tall og @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Det eksisterer allerede en bruker med dette brukernavnet."
+
+msgid "first name"
+msgstr "fornavn"
+
+msgid "last name"
+msgstr "etternavn"
+
+msgid "email address"
+msgstr "e-postadresse"
+
+msgid "staff status"
+msgstr "administrasjonsstatus"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Angir at brukeren kan logge inn på denne administrasjonssiden."
+
+msgid "active"
+msgstr "aktiv"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Angir at denne brukeren er aktiv. Avmerk denne i stedet for å slette kontoen."
+
+msgid "date joined"
+msgstr "registrert"
+
+msgid "user"
+msgstr "bruker"
+
+msgid "users"
+msgstr "brukere"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "Passordet er for kort. Det må bestå av minst %(min_length)d tegn."
+msgstr[1] "Passordet er for kort. Det må bestå av minst %(min_length)d tegn."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Passordet ditt må bestå av minst %(min_length)d tegn."
+msgstr[1] "Passordet ditt må bestå av minst %(min_length)d tegn."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Passordet er for likt %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Passordet ditt kan ikke være for likt dine andre personopplysninger."
+
+msgid "This password is too common."
+msgstr "Dette passordet er for vanlig."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Passordet ditt kan ikke være et ofte brukt passord."
+
+msgid "This password is entirely numeric."
+msgstr "Dette passordet inneholder bare tall."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Passordet ditt kan ikke inneholde bare tall."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Passord-nullstilling på %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Oppgi et gyldig brukernavn. Denne verdien kan kun inneholde bokstaver, tall "
+"og @/./+/-/_"
+
+msgid "Logged out"
+msgstr "Logget ut"
+
+msgid "Password reset"
+msgstr "Tilbakestilling av passord"
+
+msgid "Password reset sent"
+msgstr "Passord-nullstilling sendt"
+
+msgid "Enter new password"
+msgstr "Skriv inn nytt passord"
+
+msgid "Password reset unsuccessful"
+msgstr "Tilbakestilling av passord feilet"
+
+msgid "Password reset complete"
+msgstr "Tilbakestilling av passord fullført"
+
+msgid "Password change"
+msgstr "Passordbytte"
+
+msgid "Password change successful"
+msgstr "Passordbytte gjennomført"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6d0eb4ab
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..65558272
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,286 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Sagar Chalise <chalisesagar@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-15 05:39+0000\n"
+"Last-Translator: Sagar Chalise <chalisesagar@gmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "व्यक्तिगत विवरण"
+
+msgid "Permissions"
+msgstr "अनुमतिहरु"
+
+msgid "Important dates"
+msgstr "महत्वपूर्ण मितिहरु"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "पासवर्ड सफलतापूर्वक फेरिएको छ ।"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "पासवर्ड फेर्नुहोस : %s"
+
+msgid "Authentication and Authorization"
+msgstr "प्रमाणीकरण तथा अनुमति"
+
+msgid "password"
+msgstr "पासवर्ड"
+
+msgid "last login"
+msgstr "पूर्व लगिन"
+
+msgid "No password set."
+msgstr "पासवर्ड राखिएको छैन ।"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "अमान्य पासवर्ड स्वरूप वा अज्ञात ह्यासिङ अलगोरिदम ।"
+
+msgid "The two password fields didn’t match."
+msgstr ""
+
+msgid "Password"
+msgstr "पासवर्ड"
+
+msgid "Password confirmation"
+msgstr "पासवर्ड पुष्टि"
+
+msgid "Enter the same password as before, for verification."
+msgstr "प्रमाणित गर्न पुन: उही पासवर्ड राख्नु होस ।"
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"पासवर्ड जस्ताको त्यस्तै राखेको हुँदैन, त्यसैले हेर्न मिल्दैन । पासवर्ड परिवर्तन गर्न <a href="
+"\"{}\">यो फारम</a> भर्नु होस ।"
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr "कृपया सही %(username)s र पासवर्ड राख्नु होस । "
+
+msgid "This account is inactive."
+msgstr "यो खाता सक्रिय छैन । "
+
+msgid "Email"
+msgstr "ई-मेल"
+
+msgid "New password"
+msgstr "नयाँ पासवर्ड"
+
+msgid "New password confirmation"
+msgstr "नयाँ पासवर्ड पुष्टि"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "तपाईको पुरानो पासवर्ड गलत भयो । कृपया पुन: हाल्नुहोस ।  "
+
+msgid "Old password"
+msgstr "पुरानो पासवर्ड"
+
+msgid "Password (again)"
+msgstr "पासवर्ड (पुन:)"
+
+msgid "algorithm"
+msgstr "अल्गोरिदम"
+
+msgid "iterations"
+msgstr "पुनरावृत्ति"
+
+msgid "salt"
+msgstr "साल्ट"
+
+msgid "hash"
+msgstr "ह्यास"
+
+msgid "variety"
+msgstr "विविध"
+
+msgid "version"
+msgstr "भर्जन"
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr "समय"
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "वर्क फ्याक्टर"
+
+msgid "checksum"
+msgstr "चेकसम"
+
+msgid "name"
+msgstr "नाम"
+
+msgid "content type"
+msgstr "कन्टेन्ट टाइप"
+
+msgid "codename"
+msgstr "कोडनेम"
+
+msgid "permission"
+msgstr "अनुमति"
+
+msgid "permissions"
+msgstr "अनुमति"
+
+msgid "group"
+msgstr "समुह"
+
+msgid "groups"
+msgstr "समुहहरु"
+
+msgid "superuser status"
+msgstr "प्रधान प्रयोगकर्ता प्रतिष्ठा "
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "प्रयोग कर्ताका अनुमति "
+
+msgid "Specific permissions for this user."
+msgstr "यो प्रयोगकर्ताको लागि तोकिएको अनुमति ।"
+
+msgid "username"
+msgstr "प्रयोगकर्ता नाम"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "आवश्यक । बढिमा १५० वटा (अक्षर, अंक तथा '@/./+/-/_ ' मात्र)"
+
+msgid "A user with that username already exists."
+msgstr "त्यो प्रयोगकर्ता नाम भएका व्यक्ति पहिले नै छन् ।"
+
+msgid "first name"
+msgstr "नाम"
+
+msgid "last name"
+msgstr "थर"
+
+msgid "email address"
+msgstr "ई-मेल ठेगाना"
+
+msgid "staff status"
+msgstr "स्टाफ प्रतिष्ठा "
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr "सक्रिय "
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr "दर्ता भएको मिति"
+
+msgid "user"
+msgstr "प्रयोगकर्ता"
+
+msgid "users"
+msgstr "प्रयोगकर्ता"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "पासवर्ड छोटो भयो । कम्तीमा %(min_length)d लम्बाई हुनु पर्दछ ।"
+msgstr[1] "पासवर्ड छोटो भयो । कम्तीमा %(min_length)d लम्बाई हुनु पर्दछ ।"
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "पासवर्डमा कम्तीमा पनि %(min_length)d अक्षर हुनु पर्छ । "
+msgstr[1] "पासवर्डमा कम्तीमा पनि %(min_length)d अक्षरहरू हुनु पर्छ । "
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "%(verbose_name)s संग मिल्दो पासवर्ड भयो ।"
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr "यो पासवर्ड साधारण भयो ।"
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr "यो पासवर्डमा अंक मात्र छ ।"
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s को पासवर्ड पून: राख्नु "
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"उपयुक्त प्रयोगकर्ता नाम राख्नु होस । अङ्ग्रेजी अक्षर, अङ्क र @/./+/-/_ मात्र मान्य छन् ।"
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr "उपयुक्त प्रयोगकर्ता नाम राख्नु होस । अक्षर, अङ्क र @/./+/-/_ मात्र मान्य छन् ।"
+
+msgid "Logged out"
+msgstr "लग आउट "
+
+msgid "Password reset"
+msgstr "पासवर्ड पून: दर्ता"
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr "नयाँ पासवर्ड राख्नु होस ।"
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr "पासवर्ड फेर्नु"
+
+msgid "Password change successful"
+msgstr "पासवर्ड फेर्न सफल"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a3dd8c6c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f1524f31
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,318 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bas Peschier <bas.peschier@gmail.com>, 2013
+# Erik Romijn <transifex@solidlinks.nl>, 2013
+# Erik Romijn <transifex@solidlinks.nl>, 2013
+# Evelijn Saaltink <evelijnsaaltink@gmail.com>, 2016
+# Harro van der Klauw <hvdklauw@gmail.com>, 2012
+# Ilja Maas <iljamaas@dreamsolution.nl>, 2015
+# jaap3 <jaap.roes@gmail.com>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 6a27f10aef159701c7a5ff07f0fb0a78_05545ed <bc5d401a7ecd9343dd5afac265ed8ab3_4845>, 2011-2012
+# 8de006b1b0894aab6aef71979dcd8bd6_5c6b207 <ff2658a8d8dbebbd9cc240b8c133a515_234097>, 2015
+# Tino de Bruijn <tinodb@gmail.com>, 2011
+# Tonnes <tonnes.mb@gmail.com>, 2019,2022-2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>, 2019,2022-2023\n"
+"Language-Team: Dutch (http://app.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Persoonlijke gegevens"
+
+msgid "Permissions"
+msgstr "Rechten"
+
+msgid "Important dates"
+msgstr "Belangrijke datums"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s-object met primaire sleutel %(key)r bestaat niet."
+
+msgid "Password changed successfully."
+msgstr "Het wachtwoord is gewijzigd."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Wachtwoord wijzigen: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Authenticatie en autorisatie"
+
+msgid "password"
+msgstr "wachtwoord"
+
+msgid "last login"
+msgstr "laatste aanmelding"
+
+msgid "No password set."
+msgstr "Er is geen wachtwoord ingesteld."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ongeldige wachtwoordindeling of onbekend hash-algoritme."
+
+msgid "The two password fields didn’t match."
+msgstr "De twee wachtwoordvelden komen niet overeen."
+
+msgid "Password"
+msgstr "Wachtwoord"
+
+msgid "Password confirmation"
+msgstr "Bevestiging wachtwoord"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Voer ter verificatie nogmaals het wachtwoord in."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Wachtwoorden worden niet als tekst opgeslagen, dus u kunt het wachtwoord van "
+"deze gebruiker niet zien. U kunt het wel wijzigen via <a href=\"{}\">dit "
+"formulier</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Voer een juiste %(username)s en wachtwoord in. Let op dat beide velden "
+"hoofdlettergevoelig zijn."
+
+msgid "This account is inactive."
+msgstr "Deze account is inactief."
+
+msgid "Email"
+msgstr "E-mailadres"
+
+msgid "New password"
+msgstr "Nieuw wachtwoord"
+
+msgid "New password confirmation"
+msgstr "Nieuw wachtwoord bevestigen"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Uw oude wachtwoord is niet juist ingevoerd. Voer het opnieuw in."
+
+msgid "Old password"
+msgstr "Oud wachtwoord"
+
+msgid "Password (again)"
+msgstr "Wachtwoord (nogmaals)"
+
+msgid "algorithm"
+msgstr "algoritme"
+
+msgid "iterations"
+msgstr "iteraties"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variatie"
+
+msgid "version"
+msgstr "versie"
+
+msgid "memory cost"
+msgstr "geheugenkosten"
+
+msgid "time cost"
+msgstr "tijdskosten"
+
+msgid "parallelism"
+msgstr "evenwijdigheid"
+
+msgid "work factor"
+msgstr "arbeidsfactor"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr "blokgrootte"
+
+msgid "name"
+msgstr "naam"
+
+msgid "content type"
+msgstr "inhoudstype"
+
+msgid "codename"
+msgstr "codenaam"
+
+msgid "permission"
+msgstr "recht"
+
+msgid "permissions"
+msgstr "rechten"
+
+msgid "group"
+msgstr "groep"
+
+msgid "groups"
+msgstr "groepen"
+
+msgid "superuser status"
+msgstr "supergebruikerstatus"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Bepaalt dat deze gebruiker alle rechten heeft, zonder deze expliciet toe te "
+"wijzen."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"De groep waartoe deze gebruiker behoort. Gebruikers krijgen alle rechten "
+"behorende bij hun groepen."
+
+msgid "user permissions"
+msgstr "gebruikersrechten"
+
+msgid "Specific permissions for this user."
+msgstr "Specifieke rechten voor deze gebruiker."
+
+msgid "username"
+msgstr "gebruikersnaam"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Vereist. 150 tekens of minder. Alleen letters, cijfers en de tekens @/,/+/-/"
+"_ zijn toegestaan."
+
+msgid "A user with that username already exists."
+msgstr "Er bestaat al een gebruiker met deze gebruikersnaam."
+
+msgid "first name"
+msgstr "voornaam"
+
+msgid "last name"
+msgstr "achternaam"
+
+msgid "email address"
+msgstr "e-mailadres"
+
+msgid "staff status"
+msgstr "stafstatus"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Bepaalt of de gebruiker zich op deze beheerwebsite kan aanmelden."
+
+msgid "active"
+msgstr "actief"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Bepaalt of deze gebruiker als actief dient te worden behandeld. U kunt dit "
+"uitvinken in plaats van een gebruiker te verwijderen."
+
+msgid "date joined"
+msgstr "datum toegetreden"
+
+msgid "user"
+msgstr "gebruiker"
+
+msgid "users"
+msgstr "gebruikers"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Dit wachtwoord is te kort. De minimale lengte is %(min_length)d teken."
+msgstr[1] ""
+"Dit wachtwoord is te kort. De minimale lengte is %(min_length)d tekens."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Uw wachtwoord moet minstens %(min_length)d teken lang zijn."
+msgstr[1] "Uw wachtwoord moet minstens %(min_length)d tekens lang zijn."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Het wachtwoord lijkt te veel op de %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Uw wachtwoord mag niet te veel op uw andere persoonlijke gegevens lijken."
+
+msgid "This password is too common."
+msgstr "Dit wachtwoord is te algemeen."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Uw wachtwoord mag geen veelgebruikt wachtwoord zijn."
+
+msgid "This password is entirely numeric."
+msgstr "Dit wachtwoord bevat alleen cijfers."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Uw wachtwoord mag niet volledig uit cijfers bestaan."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Wachtwoordherinitialisatie voor %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Voer een geldige gebruikersnaam in. Deze waarde mag alleen de kleine letters "
+"a-z en hoofdletters A-Z zonder accenten, cijfers en de tekens @/./+/-/_ "
+"bevatten."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Voer een geldige gebruikersnaam in. Deze waarde mag alleen letters, cijfers "
+"en de tekens @/./+/-/_ bevatten."
+
+msgid "Logged out"
+msgstr "Afgemeld"
+
+msgid "Password reset"
+msgstr "Wachtwoordherinitialisatie"
+
+msgid "Password reset sent"
+msgstr "Wachtwoordherinitialisatie verstuurd"
+
+msgid "Enter new password"
+msgstr "Voer nieuw wachtwoord in"
+
+msgid "Password reset unsuccessful"
+msgstr "Wachtwoordherinitialisatie mislukt"
+
+msgid "Password reset complete"
+msgstr "Wachtwoordherinitialisatie voltooid"
+
+msgid "Password change"
+msgstr "Wachtwoordwijziging"
+
+msgid "Password change successful"
+msgstr "Wachtwoordwijziging is geslaagd"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..33f7a504
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3216de3a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,301 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-11-12 08:38+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Personleg informasjon"
+
+msgid "Permissions"
+msgstr "Løyve"
+
+msgid "Important dates"
+msgstr "Viktige datoar"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s-objekt med primærnøkkelen %(key)r eksisterer ikkje."
+
+msgid "Password changed successfully."
+msgstr "Passordet er endra."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Endre passord: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Stadfesting og Autorisasjon"
+
+msgid "password"
+msgstr "passord"
+
+msgid "last login"
+msgstr "siste innlogging"
+
+msgid "No password set."
+msgstr "Passord ikkje sett."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ugyldig passordformat eller ukjend hash-algoritme."
+
+msgid "The two password fields didn’t match."
+msgstr "Dei to passordfelta er ikkje like."
+
+msgid "Password"
+msgstr "Passord"
+
+msgid "Password confirmation"
+msgstr "Stadfesting av passord"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Skriv inn det samme passordet som før, for verifisering."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Sjølve passordet vert ikkje lagra, så det finnast ingen måte å sjå denne "
+"brukaren sitt passord, men du kan endra passordet med <a href=\"{}\">dette "
+"skjemaet</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Oppgje korrekt %(username)s og passord. Merk at det er skilnad på små og "
+"store bokstavar."
+
+msgid "This account is inactive."
+msgstr "Denne kontoen er inaktiv."
+
+msgid "Email"
+msgstr "E-post"
+
+msgid "New password"
+msgstr "Nytt passord"
+
+msgid "New password confirmation"
+msgstr "Stadfest nytt passord"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Det gamle passordet er feil. Prøv omatt."
+
+msgid "Old password"
+msgstr "Gammalt passord"
+
+msgid "Password (again)"
+msgstr "Passord (gjenta)"
+
+msgid "algorithm"
+msgstr "algoritme"
+
+msgid "iterations"
+msgstr "iterasjonar"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variasjon"
+
+msgid "version"
+msgstr "versjon"
+
+msgid "memory cost"
+msgstr "minnekostnad"
+
+msgid "time cost"
+msgstr "tidskostnad"
+
+msgid "parallelism"
+msgstr "parallellitet"
+
+msgid "work factor"
+msgstr "arbeidsfaktor"
+
+msgid "checksum"
+msgstr "kontrollsum"
+
+msgid "block size"
+msgstr "blokkstorleik"
+
+msgid "name"
+msgstr "namn"
+
+msgid "content type"
+msgstr "innhaldstype"
+
+msgid "codename"
+msgstr "kodenamn"
+
+msgid "permission"
+msgstr "løyve"
+
+msgid "permissions"
+msgstr "løyve"
+
+msgid "group"
+msgstr "gruppe"
+
+msgid "groups"
+msgstr "grupper"
+
+msgid "superuser status"
+msgstr "superbrukar"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Angir at denne brukaren har alle løyve utan å eksplisitt sette dei."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Gruppene brukaren tilhøyrer. Brukarar får løyva til gruppene dei er med i."
+
+msgid "user permissions"
+msgstr "Brukerløyve"
+
+msgid "Specific permissions for this user."
+msgstr "Løyva til denne brukaren."
+
+msgid "username"
+msgstr "brukarnamn"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Nødvendig. 150 teikn eller færre. Berre bokstavar, tall @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Det eksisterar allereie ein brukar med dette brukernamnet."
+
+msgid "first name"
+msgstr "fornamn"
+
+msgid "last name"
+msgstr "etternamn"
+
+msgid "email address"
+msgstr "e-postadresse"
+
+msgid "staff status"
+msgstr "administrasjonsstatus"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Angir at brukaren kan logge inn på denne administrasjonssida."
+
+msgid "active"
+msgstr "aktiv"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Angir at denne brukaren er aktiv. Avmerk denne i staden for å slette kontoen."
+
+msgid "date joined"
+msgstr "registrert"
+
+msgid "user"
+msgstr "brukar"
+
+msgid "users"
+msgstr "brukarar"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Dette passordet er for stutt. Det må innehalde minst %(min_length)d teikn."
+msgstr[1] ""
+"Dette passordet er for stutt. Det må innehalde minst %(min_length)d teikn."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Passordet ditt må innehalde minst %(min_length)d teikn."
+msgstr[1] "Passordet ditt må innehalde minst %(min_length)d teikn."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Passordet er for likt %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Passordet ditt kan ikkje vere for likt dine andre personopplysingar."
+
+msgid "This password is too common."
+msgstr "Dette passordet er for vanleg."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Passordet ditt kan ikkje vere eit ofte brukt passord."
+
+msgid "This password is entirely numeric."
+msgstr "Dette passordet innehalder berre tal."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Passordet ditt kan ikkje innehalde berre tal."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Passordnullstilling på %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Oppgje eit gyldig brukarnamn. Denne verdien kan berre innehalde bokstavar, "
+"tal, og @/./+/-/_ teikn."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Oppgje eit gyldig brukarnamn. Denne verdien kan berre innehalde bokstavar, "
+"tal, og @/./+/-/_ teikn."
+
+msgid "Logged out"
+msgstr "Logga ut"
+
+msgid "Password reset"
+msgstr "Nullstill passord"
+
+msgid "Password reset sent"
+msgstr "Passordnullstilling utsendt"
+
+msgid "Enter new password"
+msgstr "Oppgje nytt passord"
+
+msgid "Password reset unsuccessful"
+msgstr "Passordet vart ikkje nullstilt"
+
+msgid "Password reset complete"
+msgstr "Passord nullstilt"
+
+msgid "Password change"
+msgstr "Endre passord"
+
+msgid "Password change successful"
+msgstr "Passord endra"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..062d3a9c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/os/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e762d727
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,288 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Персоналон инфо"
+
+msgid "Permissions"
+msgstr "Бартӕ"
+
+msgid "Important dates"
+msgstr "Ахсджиаг бонтӕ"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Пароль ивд ӕрцыд."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Фӕив пароль: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "пароль"
+
+msgid "last login"
+msgstr "фӕстаг бахызт"
+
+msgid "No password set."
+msgstr "Ницы пароль уыд ӕвӕрд."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Паролы формат раст нӕу, кӕнӕ хӕшты алгоритм бӕрӕг нӕу."
+
+msgid "The two password fields didn't match."
+msgstr "Дыууӕ паролы ӕмхуызӕн не сты."
+
+msgid "Password"
+msgstr "Пароль"
+
+msgid "Password confirmation"
+msgstr "Паролы бӕлвырдгӕнӕн"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Дӕ хорзӕхӕй, раст %(username)s ӕмӕ пароль бафысс. Дӕ сӕры дар уый, ӕмӕ дыууӕ "
+"дӕр гӕнӕн ис стыр ӕмӕ гыццыл дамгъӕтӕ ӕвзарой."
+
+msgid "This account is inactive."
+msgstr "Ацы аккаунт ницы архайы."
+
+msgid "Email"
+msgstr "Электрон пост"
+
+msgid "New password"
+msgstr "Ног пароль"
+
+msgid "New password confirmation"
+msgstr "Нӕуӕг паролы бӕлвырдгӕнӕн"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Дӕ зӕронд пароль раст амынд нӕу. Дӕ хорзӕхӕй, нӕуӕгӕй йӕ бафысс."
+
+msgid "Old password"
+msgstr "Зӕронд пароль"
+
+msgid "Password (again)"
+msgstr "Пароль (ногӕй)"
+
+msgid "algorithm"
+msgstr "алгоритм"
+
+msgid "iterations"
+msgstr "итерацитӕ"
+
+msgid "salt"
+msgstr "цӕхх"
+
+msgid "hash"
+msgstr "хӕш"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "куысты фактор"
+
+msgid "checksum"
+msgstr "бӕлвырдсуммӕ"
+
+msgid "name"
+msgstr "ном"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "кодном"
+
+msgid "permission"
+msgstr "бар"
+
+msgid "permissions"
+msgstr "бартӕ"
+
+msgid "group"
+msgstr "къорд"
+
+msgid "groups"
+msgstr "къордтӕ"
+
+msgid "superuser status"
+msgstr "хистӕр архайӕджы статус"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Ацы архайӕгӕн алы бар дӕр дӕтты, цӕмӕй сӕ хицӕнӕй дӕттын ма хъӕуа."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "архайӕджы бартӕ"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "фӕсномыг"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Ахӕм фӕсномыгимӕ архайӕг нырид ис."
+
+msgid "first name"
+msgstr "ном"
+
+msgid "last name"
+msgstr "мыггаг"
+
+msgid "email address"
+msgstr "электрон посты адрис"
+
+msgid "staff status"
+msgstr "куысты уавӕр"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Бӕрӕг кӕны архайӕгӕн йӕ бон у ацы армдарӕн сайтмӕ хизын, ӕви нӕ."
+
+msgid "active"
+msgstr "активон"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Бӕрӕг кӕны ацы архайӕгы хъӕуы нымайын активоныл, ӕви нӕ. Йӕ нысан ын сис "
+"хафыны бӕсты."
+
+msgid "date joined"
+msgstr "баиуы бон"
+
+msgid "user"
+msgstr "архайӕг"
+
+msgid "users"
+msgstr "архайджытӕ"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s-ы нӕуӕг пароль ӕвӕрӕн"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Рахизын"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9a043b61
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8a18a6f0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# A S Alam <alam.yellow@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "ਨਿੱਜੀ ਜਾਣਕਾਰੀ"
+
+msgid "Permissions"
+msgstr "ਅਧਿਕਾਰ"
+
+msgid "Important dates"
+msgstr "ਖਾਸ ਮਿਤੀਆਂ"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "ਪਾਸਵਰਡ ਠੀਕ ਤਰ੍ਹਾਂ ਬਦਲਿਆ ਗਿਆ ਹੈ।"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "ਪਾਸਵਰਡ ਬਦਲੋ: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "ਪਾਸਵਰਡ"
+
+msgid "last login"
+msgstr "ਆਖਰੀ ਲਾਗਇਨ"
+
+msgid "No password set."
+msgstr "ਕੋਈ ਪਾਸਵਰਡ ਸੈੱਟ ਨਹੀਂ।"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "ਗਲਤ ਪਾਸਵਰਡ ਫਾਰਮੈਟ ਜਾਂ ਅਣਜਾਣ ਹੈਸ਼ ਐਲੋਗਰਿਥਮ ਹੈ।"
+
+msgid "The two password fields didn't match."
+msgstr "ਦੋਵੇਂ ਪਾਸਵਰਡ ਖੇਤਰ ਮਿਲਦੇ ਨਹੀਂ ਹਨ।"
+
+msgid "Password"
+msgstr "ਪਾਸਵਰਡ"
+
+msgid "Password confirmation"
+msgstr "ਪਾਸਵਰਡ ਪੁਸ਼ਟੀ"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "ਇਹ ਅਕਾਊਂਟ ਗ਼ੈਰ-ਸਰਗਰਮ ਹੈ।"
+
+msgid "Email"
+msgstr "ਈਮੇਲ"
+
+msgid "New password"
+msgstr "ਨਵਾਂ ਪਾਸਵਰਡ"
+
+msgid "New password confirmation"
+msgstr "ਨਵਾਂ ਪਾਸਵਰਡ ਪੁਸ਼ਟੀ"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "ਤੁਹਾਡਾ ਪੁਰਾਣਾ ਪਾਸਵਰਡ ਗਲਤ ਦਿੱਤਾ ਗਿਆ ਸੀ। ਇਸ ਨੂੰ ਫੇਰ ਦਿਉ ਜੀ।"
+
+msgid "Old password"
+msgstr "ਪੁਰਾਣਾ ਪਾਸਵਰਡ"
+
+msgid "Password (again)"
+msgstr "ਪਾਸਵਰਡ (ਫੇਰ)"
+
+msgid "algorithm"
+msgstr "ਐਲਗੋਰਿਥਮ"
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr "ਸਾਲਟ"
+
+msgid "hash"
+msgstr "ਹੈਸ਼"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "ਵਰਕ ਫੈਕਟਰ"
+
+msgid "checksum"
+msgstr "ਚੈਕਸਮ"
+
+msgid "name"
+msgstr "ਨਾਂ"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "ਕੋਡ-ਨਾਂ"
+
+msgid "permission"
+msgstr "ਅਧਿਕਾਰ"
+
+msgid "permissions"
+msgstr "ਅਧਿਕਾਰ"
+
+msgid "group"
+msgstr "ਗਰੁੱਪ"
+
+msgid "groups"
+msgstr "ਗਰੁੱਪ"
+
+msgid "superuser status"
+msgstr "ਸੁਪਰਯੂਜ਼ਰ ਹਾਲਤ"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "ਯੂਜ਼ਰ ਅਧਿਕਾਰ"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "ਯੂਜ਼ਰ ਨਾਂ"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "ਉਸ ਯੂਜ਼ਰ ਨਾਂ ਨਾਲ ਯੂਜ਼ਰ ਪਹਿਲਾਂ ਹੀ ਮੌਜੂਦ ਹੈ।"
+
+msgid "first name"
+msgstr "ਪਹਿਲਾਂ ਨਾਂ"
+
+msgid "last name"
+msgstr "ਆਖਰੀ ਨਾਂ"
+
+msgid "email address"
+msgstr "ਈਮੇਲ ਐਡਰੈਸ"
+
+msgid "staff status"
+msgstr "ਸਟਾਫ ਹਾਲਤ"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr "ਸਰਗਰਮ"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr "ਜੁਆਇੰਨ ਕਰਨ ਦੀ ਮਿਤੀ"
+
+msgid "user"
+msgstr "ਯੂਜ਼ਰ"
+
+msgid "users"
+msgstr "ਯੂਜ਼ਰ"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "ਲਾਗ ਆਉਟ ਕੀਤਾ"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..21adcc39
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4861a434
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,327 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# angularcircle, 2011,2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janusz Harkot <jh@trilab.pl>, 2015
+# Karol <kfuks2@o2.pl>, 2012
+# Maciej Olko <maciej.olko@gmail.com>, 2014
+# Maciej Olko <maciej.olko@gmail.com>, 2016-2017,2019,2021
+# Maciej Olko <maciej.olko@gmail.com>, 2023
+# Maciej Olko <maciej.olko@gmail.com>, 2014-2015
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+# muszalski <m.muszalski@gmail.com>, 2016
+# c10516f0462e552b4c3672569f0745a7_cc5cca2 <841826256cd8f47d0e443806a8e56601_19204>, 2014
+# Mattia Procopio <promat85@gmail.com>, 2014
+# Roman Barczyński, 2012
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && "
+"(n%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && "
+"n%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Personal info"
+msgstr "Informacje osobiste"
+
+msgid "Permissions"
+msgstr "Uprawnienia"
+
+msgid "Important dates"
+msgstr "Ważne daty"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Obiekt %(name)s o kluczu podstawowym %(key)r nie istnieje."
+
+msgid "Password changed successfully."
+msgstr "Hasło zostało zmienione pomyślnie."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Zmień hasło: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Uwierzytelnienie i autoryzacja"
+
+msgid "password"
+msgstr "hasło"
+
+msgid "last login"
+msgstr "ostatnie logowanie"
+
+msgid "No password set."
+msgstr "Nie ustawiono hasła."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"Format hasła jest niewłaściwy, bądź zastosowana została nieznana funkcja "
+"skrótu (hash)."
+
+msgid "The two password fields didn’t match."
+msgstr "Hasła w obu polach nie są zgodne."
+
+msgid "Password"
+msgstr "Hasło"
+
+msgid "Password confirmation"
+msgstr "Potwierdzenie hasła"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Wprowadź to samo hasło ponownie, dla weryfikacji."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Nie przechowujemy surowych haseł, więc nie da się zobaczyć hasła tego "
+"użytkownika. Możesz jednak je zmienić używając <a href=\"{}\">tego "
+"formularza</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Wprowadź poprawne wartości pól %(username)s oraz hasło. Uwaga: wielkość "
+"liter ma znaczenie."
+
+msgid "This account is inactive."
+msgstr "To konto jest nieaktywne."
+
+msgid "Email"
+msgstr "Adres e-mail"
+
+msgid "New password"
+msgstr "Nowe hasło"
+
+msgid "New password confirmation"
+msgstr "Nowe hasło (powtórz)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Podane stare hasło jest niepoprawne. Proszę podać je jeszcze raz."
+
+msgid "Old password"
+msgstr "Stare hasło"
+
+msgid "Password (again)"
+msgstr "Hasło (powtórz)"
+
+msgid "algorithm"
+msgstr "algorytm"
+
+msgid "iterations"
+msgstr "iteracje"
+
+msgid "salt"
+msgstr "sól"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "odmiana"
+
+msgid "version"
+msgstr "wersja"
+
+msgid "memory cost"
+msgstr "koszt pamięci"
+
+msgid "time cost"
+msgstr "koszt czasu"
+
+msgid "parallelism"
+msgstr "zrównoleglenie"
+
+msgid "work factor"
+msgstr "work factor"
+
+msgid "checksum"
+msgstr "suma kontrolna"
+
+msgid "block size"
+msgstr "rozmiar bloku"
+
+msgid "name"
+msgstr "nazwa"
+
+msgid "content type"
+msgstr "typ zawartości"
+
+msgid "codename"
+msgstr "nazwa kodowa"
+
+msgid "permission"
+msgstr "uprawnienie"
+
+msgid "permissions"
+msgstr "uprawnienia"
+
+msgid "group"
+msgstr "grupa"
+
+msgid "groups"
+msgstr "grupy"
+
+msgid "superuser status"
+msgstr "status superużytkownika"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Oznacza, że ten użytkownik ma wszystkie uprawnienia bez ich jawnego "
+"przypisywania."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupy do których należy użytkownik. Użytkownik otrzyma wszystkie uprawnienia "
+"przypisane do każdej z jego grup."
+
+msgid "user permissions"
+msgstr "uprawnienia użytkownika"
+
+msgid "Specific permissions for this user."
+msgstr "Szczególne uprawnienia dla tego użytkownika."
+
+msgid "username"
+msgstr "nazwa użytkownika"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Wymagana. 150 lub mniej znaków. Jedynie litery, cyfry i @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Użytkownik o tej nazwie już istnieje."
+
+msgid "first name"
+msgstr "imię"
+
+msgid "last name"
+msgstr "nazwisko"
+
+msgid "email address"
+msgstr "adres e-mail"
+
+msgid "staff status"
+msgstr "w zespole"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Określa czy użytkownik może zalogować się do panelu administracyjnego."
+
+msgid "active"
+msgstr "aktywny"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Określa czy użytkownika należy uważać za aktywnego. Odznacz zamiast usuwać "
+"konto."
+
+msgid "date joined"
+msgstr "data dołączenia"
+
+msgid "user"
+msgstr "użytkownik"
+
+msgid "users"
+msgstr "użytkownicy"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"To hasło jest za krótkie. Musi zawierać co najmniej %(min_length)d znak."
+msgstr[1] ""
+"To hasło jest za krótkie. Musi zawierać co najmniej %(min_length)d znaki."
+msgstr[2] ""
+"To hasło jest za krótkie. Musi zawierać co najmniej %(min_length)d znaków."
+msgstr[3] ""
+"To hasło jest za krótkie. Musi zawierać co najmniej %(min_length)d znaków."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Twoje hasło musi zawierać co najmniej %(min_length)d znak."
+msgstr[1] "Twoje hasło musi zawierać co najmniej %(min_length)d znaki."
+msgstr[2] "Twoje hasło musi zawierać co najmniej %(min_length)d znaków."
+msgstr[3] "Twoje hasło musi zawierać co najmniej %(min_length)d znaków."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Hasło jest zbyt podobne do %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Twoje hasło nie może być zbyt podobne do twoich innych danych osobistych."
+
+msgid "This password is too common."
+msgstr "To hasło jest zbyt powszechne."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Twoje hasło nie może być powszechnie używanym hasłem."
+
+msgid "This password is entirely numeric."
+msgstr "Hasło składa się wyłącznie z cyfr."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Twoje hasło nie może składać się tylko z cyfr."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Reset hasła dla konta na stronie %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Wprowadź poprawną nazwę użytkownika. Wartość może zawierać jedynie małe a-z "
+"i duże A-Z litery bez znaków diakrytycznych, cyfry, i znaki @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Wprowadź poprawną nazwę użytkownika. Wartość może zawierać jedynie litery, "
+"cyfry i znaki @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Wylogowany(-na)"
+
+msgid "Password reset"
+msgstr "Zresetowanie hasła"
+
+msgid "Password reset sent"
+msgstr "Potwierdzenie zresetowania hasła zostało wysłane"
+
+msgid "Enter new password"
+msgstr "Wprowadź nowe haslo"
+
+msgid "Password reset unsuccessful"
+msgstr "Resetowanie hasła nie powiodło się"
+
+msgid "Password reset complete"
+msgstr "Resetowanie hasła zakończone"
+
+msgid "Password change"
+msgstr "Zmiana hasła"
+
+msgid "Password change successful"
+msgstr "Hasło zostało zmienione pomyślnie"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..06e08e09
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2a21196f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,314 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jorgecarleitao <jorgecarleitao@gmail.com>, 2015
+# Nuno Mariz <nmariz@gmail.com>, 2013,2015,2017,2023
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Nuno Mariz <nmariz@gmail.com>, 2013,2015,2017,2023\n"
+"Language-Team: Portuguese (http://app.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Informação pessoal"
+
+msgid "Permissions"
+msgstr "Permissões"
+
+msgid "Important dates"
+msgstr "Datas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "O objecto %(name)s com a chave primária %(key)r não existe."
+
+msgid "Password changed successfully."
+msgstr "Palavra-passe modificada com sucesso."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Modificar a palavra-passe: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticação e Autorização"
+
+msgid "password"
+msgstr "palavra-passe"
+
+msgid "last login"
+msgstr "última entrada"
+
+msgid "No password set."
+msgstr "Nenhuma palavra-chave definida."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de palavra-chave inválido ou função de mistura desconhecida."
+
+msgid "The two password fields didn’t match."
+msgstr "As duas palavra-passe não coincidem."
+
+msgid "Password"
+msgstr "Palavra-passe"
+
+msgid "Password confirmation"
+msgstr "Confirmação da palavra-passe"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Introduza a palavra-passe como acima, para verificação."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor introduza o %(username)s e password corretos. Tenha em atenção às "
+"maiúsculas e minúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta conta não está activa."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Nova palavra-passe"
+
+msgid "New password confirmation"
+msgstr "Confirmação da nova palavra-passe"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"A sua palavra-passe antiga foi introduzida incorretamente. Por favor tente "
+"novamente."
+
+msgid "Old password"
+msgstr "Palavra-passe antiga"
+
+msgid "Password (again)"
+msgstr "Palavra-passe (novamente)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iterações"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variedade"
+
+msgid "version"
+msgstr "versão"
+
+msgid "memory cost"
+msgstr "custo da memória"
+
+msgid "time cost"
+msgstr "custo de tempo"
+
+msgid "parallelism"
+msgstr "paralelismo"
+
+msgid "work factor"
+msgstr "fator trabalho"
+
+msgid "checksum"
+msgstr "verificação"
+
+msgid "block size"
+msgstr "tamanho do bloco"
+
+msgid "name"
+msgstr "nome"
+
+msgid "content type"
+msgstr "tipo de conteúdo"
+
+msgid "codename"
+msgstr "nome de código"
+
+msgid "permission"
+msgstr "permissão"
+
+msgid "permissions"
+msgstr "permissões"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "Status de superuser"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Define se este utilizador tem todas as permissões sem explicitamente as "
+"atribuir."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Os grupos que este utilizador pertence. Um utilizador terá todas as "
+"permissões concedidas a cada um dos seus grupos."
+
+msgid "user permissions"
+msgstr "permissões do utilizador"
+
+msgid "Specific permissions for this user."
+msgstr "Permissões específicas para este utilizador."
+
+msgid "username"
+msgstr "utilizador"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Obrigatório. 150 carateres ou menos. Apenas letras, dígitos @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Já existe um utilizador com esse nome."
+
+msgid "first name"
+msgstr "primeiro nome"
+
+msgid "last name"
+msgstr "último nome"
+
+msgid "email address"
+msgstr "endereço de email"
+
+msgid "staff status"
+msgstr "status de equipa"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Define se o utilizador pode usar a administração do site."
+
+msgid "active"
+msgstr "ativo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Defina se este utilizador deva ser tratado como ativo. Não selecione em vez "
+"de remover as contas."
+
+msgid "date joined"
+msgstr "data de registo"
+
+msgid "user"
+msgstr "utilizador"
+
+msgid "users"
+msgstr "utilizadores"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Esta palavra-passe é muito curta. Deve conter pelo menos %(min_length)d "
+"caractere."
+msgstr[1] ""
+"Esta palavra-passe é muito curta. Deve conter pelo menos %(min_length)d "
+"caracteres."
+msgstr[2] ""
+"Esta palavra-passe é muito curta. Deve conter pelo menos %(min_length)d "
+"caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"A sua palavra-passe deve conter pelo menos %(min_length)d caractere."
+msgstr[1] ""
+"A sua palavra-passe deve conter pelo menos %(min_length)d caracteres."
+msgstr[2] ""
+"A sua palavra-passe deve conter pelo menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "A palavra-passe é muito semelhante ao %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr "Esta palavra-passe é muito comum."
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr "Esta palavra-passe é inteiramente numérica."
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Redefinição de palavra-passe em %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Insira um nome de utilizador válido. Este valor apenas deverá conter letras, "
+"números e carateres @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Saiu"
+
+msgid "Password reset"
+msgstr "Gerar nova palavra-passe"
+
+msgid "Password reset sent"
+msgstr "Redefinição de palavra-passe enviada"
+
+msgid "Enter new password"
+msgstr "Introduza nova palavra-passe"
+
+msgid "Password reset unsuccessful"
+msgstr "A mudança da palavra-passe não foi bem sucedida"
+
+msgid "Password reset complete"
+msgstr "Geração de nova palavra-passe completa"
+
+msgid "Password change"
+msgstr "Mudança de palavra-passe"
+
+msgid "Password change successful"
+msgstr "Mudança de palavra-passe bem sucedida"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..35f01169
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt_BR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2fd58674
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,333 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# Amanda Savluchinske <amandasavluchinske@gmail.com>, 2019
+# amcorreia <mutley.sandro@gmail.com>, 2018
+# Camilo B. Moreira <camilo.moreira@fatec.sp.gov.br>, 2017
+# Carlos C. Leite <caduado@gmail.com>, 2016
+# Filipe Cifali <cifali.filipe@gmail.com>, 2016
+# Claudemiro Alves Feitosa Neto <dimiro1@gmail.com>, 2015
+# dudanogueira <dudanogueira@gmail.com>, 2012
+# dudanogueira <dudanogueira@gmail.com>, 2014
+# Eduardo Cereto Carvalho, 2013
+# Elyézer Rezende <elyezermr@gmail.com>, 2013
+# Evandro da Costa <evandrodacosta@gmail.com>, 2023
+# Fábio C. Barrionuevo da Luz <bnafta@gmail.com>, 2015
+# gilberto dos santos alves <gsavix@gmail.com>, 2013
+# fa9e10542e458baef0599ae856e43651_13d2225, 2012
+# Guilherme <guilherme0xff@proton.me>, 2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lucas Infante <maccinza@gmail.com>, 2015
+# Rafael Fontenelle <rffontenelle@gmail.com>, 2022
+# Sandro <sandrossv@hotmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Evandro da Costa <evandrodacosta@gmail.com>, 2023\n"
+"Language-Team: Portuguese (Brazil) (http://app.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Personal info"
+msgstr "Informações pessoais"
+
+msgid "Permissions"
+msgstr "Permissões"
+
+msgid "Important dates"
+msgstr "Datas importantes"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "objeto %(name)s com chave primária %(key)r não existe."
+
+msgid "Password changed successfully."
+msgstr "Senha modificada com sucesso."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Alterar senha: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autenticação e Autorização"
+
+msgid "password"
+msgstr "senha"
+
+msgid "last login"
+msgstr "último login"
+
+msgid "No password set."
+msgstr "Nenhuma senha definida."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Formato de senha inválido ou algoritmo de hash desconhecido."
+
+msgid "The two password fields didn’t match."
+msgstr "Os dois campos de senha não correspondem."
+
+msgid "Password"
+msgstr "Senha"
+
+msgid "Password confirmation"
+msgstr "Confirmação de senha"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Informe a mesma senha informada anteriormente, para verificação."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Senhas brutas não são armazenadas, então não há como visualizar a senha "
+"desse usuário, porém você pode mudar a senha usando <a href=\"{}\">esse "
+"form</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Por favor, entre com um %(username)s  e senha corretos. Note que ambos os "
+"campos diferenciam maiúsculas e minúsculas."
+
+msgid "This account is inactive."
+msgstr "Esta conta está inativa."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Nova senha"
+
+msgid "New password confirmation"
+msgstr "Confirmação da nova senha"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"A senha antiga foi digitada incorretamente. Por favor, informe-a novamente."
+
+msgid "Old password"
+msgstr "Senha antiga"
+
+msgid "Password (again)"
+msgstr "Senha (novamente)"
+
+msgid "algorithm"
+msgstr "algoritmo"
+
+msgid "iterations"
+msgstr "iterações"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variedade"
+
+msgid "version"
+msgstr "versão"
+
+msgid "memory cost"
+msgstr "custo de memória"
+
+msgid "time cost"
+msgstr "custo de tempo"
+
+msgid "parallelism"
+msgstr "paralelismo"
+
+msgid "work factor"
+msgstr "fator de trabalho"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr "tamanho de bloco"
+
+msgid "name"
+msgstr "nome"
+
+msgid "content type"
+msgstr "tipo de conteúdo"
+
+msgid "codename"
+msgstr "apelido"
+
+msgid "permission"
+msgstr "permissão"
+
+msgid "permissions"
+msgstr "permissões"
+
+msgid "group"
+msgstr "grupo"
+
+msgid "groups"
+msgstr "grupos"
+
+msgid "superuser status"
+msgstr "status de superusuário"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Indica que este usuário tem todas as permissões sem atribuí-las "
+"explicitamente."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Os grupos que este usuário pertence. Um usuário terá todas as permissões "
+"concedidas a cada um dos seus grupos."
+
+msgid "user permissions"
+msgstr "permissões do usuário"
+
+msgid "Specific permissions for this user."
+msgstr "Permissões específicas para este usuário."
+
+msgid "username"
+msgstr "usuário"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Obrigatório. 150 caracteres ou menos. Letras, números e @/./+/-/_ apenas."
+
+msgid "A user with that username already exists."
+msgstr "Um usuário com este nome de usuário já existe."
+
+msgid "first name"
+msgstr "primeiro nome"
+
+msgid "last name"
+msgstr "último nome"
+
+msgid "email address"
+msgstr "endereço de email"
+
+msgid "staff status"
+msgstr "membro da equipe"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Indica que usuário consegue acessar este site de administração."
+
+msgid "active"
+msgstr "ativo"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Indica que o usuário será tratado como ativo. Ao invés de excluir contas de "
+"usuário, desmarque isso."
+
+msgid "date joined"
+msgstr "data de registro"
+
+msgid "user"
+msgstr "usuário"
+
+msgid "users"
+msgstr "usuários"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Esta senha é muito curta. Ela precisa conter pelo menos %(min_length)d "
+"caracteres."
+msgstr[1] ""
+"Esta senha é muito curta. Ela precisa conter pelo menos %(min_length)d "
+"caracteres."
+msgstr[2] ""
+"Esta senha é muito curta. Ela precisa conter pelo menos %(min_length)d "
+"caracteres."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Sua senha precisa conter pelo menos %(min_length)d caracteres."
+msgstr[1] "Sua senha precisa conter pelo menos %(min_length)d caracteres."
+msgstr[2] "Sua senha precisa conter pelo menos %(min_length)d caracteres."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "A senha é muito parecida com %(verbose_name)s"
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Sua senha não pode ser muito parecida com o resto das suas informações "
+"pessoais."
+
+msgid "This password is too common."
+msgstr "Esta senha é muito comum."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Sua senha não pode ser uma senha comumente utilizada."
+
+msgid "This password is entirely numeric."
+msgstr "Esta senha é inteiramente numérica."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Sua senha não pode ser inteiramente numérica."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Redefinição de senha em %(site_name)s "
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Insira um nome de usuário válido. Este valor pode conter apenas letras, "
+"números e os caracteres @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Informe um nome de usuário válido. Este valor pode conter apenas letras, "
+"números e os seguintes caracteres @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Sessão encerrada"
+
+msgid "Password reset"
+msgstr "Redefinição de senha"
+
+msgid "Password reset sent"
+msgstr "Redefinição de senha enviada"
+
+msgid "Enter new password"
+msgstr "Digite a nova senha"
+
+msgid "Password reset unsuccessful"
+msgstr "Redefinição de senha sem sucesso"
+
+msgid "Password reset complete"
+msgstr "Redefinição de senha completa"
+
+msgid "Password change"
+msgstr "Alteração de Senha"
+
+msgid "Password change successful"
+msgstr "Mudança de senha bem sucedida"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bdaa778c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dc391942
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,320 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bogdan Mateescu, 2018
+# Daniel Ursache-Dogariu, 2011
+# Denis Darii <denis.darii@gmail.com>, 2011
+# Eugenol Man <neatusebastian@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# razvan ionescu <ionescu77@gmail.com>, 2015
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2016-2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-15 11:11+0000\n"
+"Last-Translator: Eugenol Man <neatusebastian@gmail.com>\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Personal info"
+msgstr "Informații personale"
+
+msgid "Permissions"
+msgstr "Permisiuni"
+
+msgid "Important dates"
+msgstr "Date importante"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Obiectul %(name)s cu cheia primară %(key)r nu există."
+
+msgid "Password changed successfully."
+msgstr "Parolă schimbată cu succes."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Schimbă parola: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentificare și autorizare"
+
+msgid "password"
+msgstr "parolă"
+
+msgid "last login"
+msgstr "ultima autentificare"
+
+msgid "No password set."
+msgstr "Parola nu este setată."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"Parolă nu are formatarea corectă sau algoritmul de criptare nu este cunoscut."
+
+msgid "The two password fields didn’t match."
+msgstr "Cele două parole nu corespund."
+
+msgid "Password"
+msgstr "Parolă"
+
+msgid "Password confirmation"
+msgstr "Confirmare parolă"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Introduceți parola precedentă pentru confirmare."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Parolele nu sunt salvate în clar așa că nu poți vedea parola. O poți schimba "
+"<a href=\"{}\">de aici</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Introduceți vă rog un %(username)s corect și o parolă. Reţineţi că ambele "
+"câmpuri pot fi sensibile la litere mari şi mici."
+
+msgid "This account is inactive."
+msgstr "Acest cont este inactiv."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Parolă nouă"
+
+msgid "New password confirmation"
+msgstr "Confirmarea parolă nouă"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Parola veche a fost introdusă greșit. Introduceți-o din nou."
+
+msgid "Old password"
+msgstr "Parolă veche"
+
+msgid "Password (again)"
+msgstr "Parolă (din nou)"
+
+msgid "algorithm"
+msgstr "algoritm"
+
+msgid "iterations"
+msgstr "iterații"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "varietate"
+
+msgid "version"
+msgstr "versiune"
+
+msgid "memory cost"
+msgstr "memorie necesară"
+
+msgid "time cost"
+msgstr "timp necesar"
+
+msgid "parallelism"
+msgstr "paralelism"
+
+msgid "work factor"
+msgstr "factor de efort"
+
+msgid "checksum"
+msgstr "sumă de control"
+
+msgid "name"
+msgstr "nume"
+
+msgid "content type"
+msgstr "tip de conținut"
+
+msgid "codename"
+msgstr "nume de cod"
+
+msgid "permission"
+msgstr "permisiune"
+
+msgid "permissions"
+msgstr "permisiuni"
+
+msgid "group"
+msgstr "grup"
+
+msgid "groups"
+msgstr "grupuri"
+
+msgid "superuser status"
+msgstr "stare superutilizator"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Marchează daca acest utilizator are toate permisiunile,  fără a le mai "
+"selecta explicit."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupurile din care face parte acest utilizator. Un utilizator va obține "
+"drepturile de acces corespunzătoare grupurilor din care face parte."
+
+msgid "user permissions"
+msgstr "permisiuni utilizator"
+
+msgid "Specific permissions for this user."
+msgstr "Drepturile de access specifice acestui utilizator."
+
+msgid "username"
+msgstr "nume utilizator"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Obligatoriu. 150 de caractere sau mai puține. Numai litere, cifre și @/./+/-/"
+"_."
+
+msgid "A user with that username already exists."
+msgstr "Un utilizator cu acest nume de utilizator există deja."
+
+msgid "first name"
+msgstr "Prenume"
+
+msgid "last name"
+msgstr "Nume"
+
+msgid "email address"
+msgstr "adresă de email"
+
+msgid "staff status"
+msgstr "stare autorizare"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Marchează dacă utilizatorul se poate autentifica în acest site de "
+"administrare."
+
+msgid "active"
+msgstr "activ"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Desemnează dacă acest utilizator trebuie tratat ca activ. Deselectaţi "
+"această opţiune în loc să ştergeţi conturi."
+
+msgid "date joined"
+msgstr "data înscrierii"
+
+msgid "user"
+msgstr "utilizator"
+
+msgid "users"
+msgstr "utilizatori"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Parola este prea scurtă. Trebuie să conțină cel puțin %(min_length)d "
+"caracter."
+msgstr[1] ""
+"Parola este prea scurtă. Trebuie să conțină cel puțin %(min_length)d "
+"caractere."
+msgstr[2] ""
+"Parola este prea scurtă. Trebuie să conțină cel puțin %(min_length)d de "
+"caractere."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Parola trebuie să conțină cel puțin %(min_length)d caracter."
+msgstr[1] "Parola trebuie să conțină cel puțin %(min_length)d caractere."
+msgstr[2] "Parola trebuie să conțină cel puțin %(min_length)d de caractere."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Parola este prea asemănătoare cu %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Nu este recomandabil ca parola sa fie asemănătoare cu celelalte date "
+"personale."
+
+msgid "This password is too common."
+msgstr "Această parolă este prea răspândită."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Parola nu poate fi atât de comună. "
+
+msgid "This password is entirely numeric."
+msgstr "Acestă parolă este compusă exclusiv din elemente numerice."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Parola nu poate fi doar cu numere."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Resetează parola pentru %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Vă rugăm să folosiți un nume acceptat. Această valoare poate conține doar "
+"litere, cifre și caracterele @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Vă rugăm să folosiți un nume acceptat. Această valoare poate conține doar "
+"litere, cifre și caracterele @/./+/-/_"
+
+msgid "Logged out"
+msgstr "Deautentificat"
+
+msgid "Password reset"
+msgstr "Resetază parola"
+
+msgid "Password reset sent"
+msgstr "Cerea de resetare a parolei trimisă cu succes"
+
+msgid "Enter new password"
+msgstr "Introduceți noua parolă"
+
+msgid "Password reset unsuccessful"
+msgstr "Resetarea parolei nu a avut succes."
+
+msgid "Password reset complete"
+msgstr "Parola a fost resetată."
+
+msgid "Password change"
+msgstr "Schimbare parolă"
+
+msgid "Password change successful"
+msgstr "Schimbarea parolei a fost efectuată cu succes"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..447f166a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ru/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a7f209db
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,324 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# crazyzubr <hjcnbckfd@gmail.com>, 2020
+# Ivan Khomutov <iskhomutov@gmail.com>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Алексей Борискин <sun.void@gmail.com>, 2012-2015,2022-2023
+# Андрей Щуров <shurov9009@gmail.com>, 2016
+# Влад Мещеряков <victimofamisery@gmail.com>, 2021
+# Bobsans <mr.bobsans@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Алексей Борискин <sun.void@gmail.com>, 2012-2015,2022-2023\n"
+"Language-Team: Russian (http://app.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Personal info"
+msgstr "Персональная информация"
+
+msgid "Permissions"
+msgstr "Права доступа"
+
+msgid "Important dates"
+msgstr "Важные даты"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s с первичным ключом %(key)r не существует."
+
+msgid "Password changed successfully."
+msgstr "Пароль успешно изменен."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Изменить пароль: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Пользователи и группы"
+
+msgid "password"
+msgstr "пароль"
+
+msgid "last login"
+msgstr "последний вход"
+
+msgid "No password set."
+msgstr "Пароль не задан."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Неизвестный формат пароля или алгоритм хеширования."
+
+msgid "The two password fields didn’t match."
+msgstr "Введенные пароли не совпадают."
+
+msgid "Password"
+msgstr "Пароль"
+
+msgid "Password confirmation"
+msgstr "Подтверждение пароля"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Для подтверждения введите, пожалуйста, пароль ещё раз."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Пароли хранятся в зашифрованном виде, поэтому нет возможности посмотреть "
+"пароль этого пользователя, но вы можете изменить его используя <a "
+"href=\"{}\">эту форму</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Пожалуйста, введите правильные %(username)s и пароль. Оба поля могут быть "
+"чувствительны к регистру."
+
+msgid "This account is inactive."
+msgstr "Эта учетная запись отключена."
+
+msgid "Email"
+msgstr "Адрес электронной почты"
+
+msgid "New password"
+msgstr "Новый пароль"
+
+msgid "New password confirmation"
+msgstr "Подтверждение нового пароля"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Ваш старый пароль введен неправильно. Пожалуйста, введите его снова."
+
+msgid "Old password"
+msgstr "Старый пароль"
+
+msgid "Password (again)"
+msgstr "Пароль (еще раз)"
+
+msgid "algorithm"
+msgstr "алгоритм"
+
+msgid "iterations"
+msgstr "итерации"
+
+msgid "salt"
+msgstr "соль"
+
+msgid "hash"
+msgstr "хэш"
+
+msgid "variety"
+msgstr "множество"
+
+msgid "version"
+msgstr "версия"
+
+msgid "memory cost"
+msgstr "затраты памяти"
+
+msgid "time cost"
+msgstr "затраты времени"
+
+msgid "parallelism"
+msgstr "параллелизм"
+
+msgid "work factor"
+msgstr "рабочий фактор"
+
+msgid "checksum"
+msgstr "контрольная сумма"
+
+msgid "block size"
+msgstr "размер блока"
+
+msgid "name"
+msgstr "имя"
+
+msgid "content type"
+msgstr "тип содержимого"
+
+msgid "codename"
+msgstr "кодовое название"
+
+msgid "permission"
+msgstr "право"
+
+msgid "permissions"
+msgstr "права"
+
+msgid "group"
+msgstr "группа"
+
+msgid "groups"
+msgstr "группы"
+
+msgid "superuser status"
+msgstr "статус суперпользователя"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Указывает, что пользователь имеет все права без явного их назначения."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Группы, к которым принадлежит данный пользователь. Пользователь получит все "
+"права, указанные в каждой из его/её групп."
+
+msgid "user permissions"
+msgstr "права пользователя"
+
+msgid "Specific permissions for this user."
+msgstr "Индивидуальные права данного пользователя."
+
+msgid "username"
+msgstr "имя пользователя"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Обязательное поле. Не более 150 символов. Только буквы, цифры и символы @/./"
+"+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Пользователь с таким именем уже существует."
+
+msgid "first name"
+msgstr "имя"
+
+msgid "last name"
+msgstr "фамилия"
+
+msgid "email address"
+msgstr "адрес электронной почты"
+
+msgid "staff status"
+msgstr "статус персонала"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Отметьте, если пользователь может входить в административную часть сайта."
+
+msgid "active"
+msgstr "активный"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Отметьте, если пользователь должен считаться активным. Уберите эту отметку "
+"вместо удаления учётной записи."
+
+msgid "date joined"
+msgstr "дата регистрации"
+
+msgid "user"
+msgstr "пользователь"
+
+msgid "users"
+msgstr "пользователи"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Введённый пароль слишком короткий. Он должен содержать как минимум "
+"%(min_length)d символ."
+msgstr[1] ""
+"Введённый пароль слишком короткий. Он должен содержать как минимум "
+"%(min_length)d символа."
+msgstr[2] ""
+"Введённый пароль слишком короткий. Он должен содержать как минимум "
+"%(min_length)d символов."
+msgstr[3] ""
+"Введённый пароль слишком короткий. Он должен содержать как минимум "
+"%(min_length)d символов."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Ваш пароль должен содержать как минимум %(min_length)d символ."
+msgstr[1] "Ваш пароль должен содержать как минимум %(min_length)d символа."
+msgstr[2] "Ваш пароль должен содержать как минимум %(min_length)d символов."
+msgstr[3] "Ваш пароль должен содержать как минимум %(min_length)d символов."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Введённый пароль слишком похож на %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Пароль не должен быть слишком похож на другую вашу личную информацию."
+
+msgid "This password is too common."
+msgstr "Введённый пароль слишком широко распространён."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Пароль не должен быть слишком простым и распространенным."
+
+msgid "This password is entirely numeric."
+msgstr "Введённый пароль состоит только из цифр."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Пароль не может состоять только из цифр."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Сброс пароля на %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Введите правильное имя пользователя. Это значение может содержать только "
+"строчные буквы латиницы a-z без умляутов, прописные буквы A-Z, цифры и "
+"символы @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Введите правильное имя пользователя. Оно может содержать только буквы, цифры "
+"и знаки @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Не авторизован"
+
+msgid "Password reset"
+msgstr "Восстановление пароля"
+
+msgid "Password reset sent"
+msgstr "Письмо с инструкциями по восстановлению пароля отправлено"
+
+msgid "Enter new password"
+msgstr "Введите новый пароль"
+
+msgid "Password reset unsuccessful"
+msgstr "Ошибка восстановления пароля"
+
+msgid "Password reset complete"
+msgstr "Восстановление пароля завершено"
+
+msgid "Password change"
+msgstr "Изменение пароля"
+
+msgid "Password change successful"
+msgstr "Пароль успешно изменен"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fa6e2e03
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..63483a7a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,315 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Adam Zahradník, 2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 18f25ad6fa9930fc67cb11aca9d16a27, 2012-2014
+# Marian Andre <marian@andre.sk>, 2015,2017
+# Martin Tóth <ezimir@gmail.com>, 2017-2018,2023
+# Peter Kuma, 2021
+# Richard von Kellner, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017-2018,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Personal info"
+msgstr "Osobné údaje"
+
+msgid "Permissions"
+msgstr "Práva"
+
+msgid "Important dates"
+msgstr "Dôležité dátumy"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Objekt %(name)s s primárnym kľúčom %(key)r neexistuje."
+
+msgid "Password changed successfully."
+msgstr "Heslo úspešne zmenené."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Zmeniť heslo: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentifikácia a autorizácia"
+
+msgid "password"
+msgstr "heslo"
+
+msgid "last login"
+msgstr "naposledy prihlásený"
+
+msgid "No password set."
+msgstr "Žiadne heslo."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Neplatný formát hesla alebo neznámy hašovací algoritmus."
+
+msgid "The two password fields didn’t match."
+msgstr "Heslo a jeho potvrdenie sa nezhodujú."
+
+msgid "Password"
+msgstr "Heslo"
+
+msgid "Password confirmation"
+msgstr "Potvrdenie hesla"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Kvôli overeniu, znovu zadajte rovnaké heslo."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Heslá v pôvodnom tvare nie sú ukladané, takže neexistuje spôsob zobraziť "
+"heslo užívateľa. Môžete ho však zmeniť pomocou <a href=\"{}\">tohoto "
+"formulára</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Zadajte prosím správne %(username)s a heslo. Všimnite si, že obe polia môžu "
+"obsahovať veľké a malé písmená."
+
+msgid "This account is inactive."
+msgstr "Tento účet je neaktívny."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Nové heslo"
+
+msgid "New password confirmation"
+msgstr "Potvrdenie nového hesla"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Nezadali ste správne svoje staré heslo. Napíšte ho znovu, prosím."
+
+msgid "Old password"
+msgstr "Staré heslo"
+
+msgid "Password (again)"
+msgstr "Heslo (znova)"
+
+msgid "algorithm"
+msgstr "algoritmus"
+
+msgid "iterations"
+msgstr "iterácie"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "druh"
+
+msgid "version"
+msgstr "verzia"
+
+msgid "memory cost"
+msgstr "pamäťová náročnosť"
+
+msgid "time cost"
+msgstr "časová náročnosť"
+
+msgid "parallelism"
+msgstr "paralelizmus"
+
+msgid "work factor"
+msgstr "faktor práce"
+
+msgid "checksum"
+msgstr "kontrolný súčet"
+
+msgid "block size"
+msgstr "veľkosť bloku"
+
+msgid "name"
+msgstr "meno"
+
+msgid "content type"
+msgstr "typ obsahu"
+
+msgid "codename"
+msgstr "kódové meno"
+
+msgid "permission"
+msgstr "oprávnenie"
+
+msgid "permissions"
+msgstr "oprávnenia"
+
+msgid "group"
+msgstr "skupina"
+
+msgid "groups"
+msgstr "skupiny"
+
+msgid "superuser status"
+msgstr "status superpoužívateľa"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Určuje, či používateľ získava automaticky všetky práva aj bez priameho "
+"priradenia."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Skupiny do ktorých používateľ patrí. Používateľ dostane všetky oprávnenia z "
+"každej z jeho skupín."
+
+msgid "user permissions"
+msgstr "používateľské oprávnenia"
+
+msgid "Specific permissions for this user."
+msgstr "Konkrétne oprávnenia pre tohto používateľa."
+
+msgid "username"
+msgstr "používateľské meno"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Povinné. 150 znakov alebo menej. Iba písmená, číslice a @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Používateľ s takým používateľským menom už existuje."
+
+msgid "first name"
+msgstr "krstné meno"
+
+msgid "last name"
+msgstr "priezvisko"
+
+msgid "email address"
+msgstr "e-mailová adresa"
+
+msgid "staff status"
+msgstr "správcovský prístup"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Určuje, či sa používateľ môže prihlásiť do správy stránok."
+
+msgid "active"
+msgstr "aktívny"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Určuje, či je účet aktívny. Odškrtnite, ak chcete vypnúť používateľský účet."
+
+msgid "date joined"
+msgstr "dátum registrácie"
+
+msgid "user"
+msgstr "používateľ"
+
+msgid "users"
+msgstr "používatelia"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Toto heslo je príliš krátke. Musí obsahovať aspoň %(min_length)d znak."
+msgstr[1] ""
+"Toto heslo je príliš krátke. Musí obsahovať aspoň %(min_length)d znaky."
+msgstr[2] ""
+"Toto heslo je príliš krátke. Musí obsahovať aspoň %(min_length)d znakov."
+msgstr[3] ""
+"Toto heslo je príliš krátke. Musí obsahovať aspoň %(min_length)d znakov."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Vaše heslo musí obsahovať aspoň %(min_length)d znak."
+msgstr[1] "Vaše heslo musí obsahovať aspoň %(min_length)d znaky."
+msgstr[2] "Vaše heslo musí obsahovať aspoň %(min_length)d znakov."
+msgstr[3] "Vaše heslo musí obsahovať aspoň %(min_length)d znakov."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Heslo sa príliš podobá na %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Vaše heslo sa nesmie príliš podobať na ostatné osobné informácie."
+
+msgid "This password is too common."
+msgstr "Toto heslo je používané príliš často."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Vaše heslo nemôže byť jedno z často používaných hesiel."
+
+msgid "This password is entirely numeric."
+msgstr "Toto heslo pozostáva iba z číslic."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Vaše heslo nemôže pozostávať iba z číslic."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Obnovenie hesla pre %(site_name)s "
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Zadajte platné používateľské meno. Môže obsahovať len písmená bez "
+"diakritiky, číslice a znaky @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Zadajte platné používateľské meno. Táto hodnota môže obsahovať len písmená, "
+"číslice a znaky @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Odhlásený"
+
+msgid "Password reset"
+msgstr "Obnovenie hesla"
+
+msgid "Password reset sent"
+msgstr "Obnovenie hesla odoslané"
+
+msgid "Enter new password"
+msgstr "Zadajte nové heslo"
+
+msgid "Password reset unsuccessful"
+msgstr "Obnovenie hesla sa nepodarilo"
+
+msgid "Password reset complete"
+msgstr "Obnovenie hesla ukončené"
+
+msgid "Password change"
+msgstr "Zmena hesla"
+
+msgid "Password change successful"
+msgstr "Zmena hesla úspešná"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9337ec79
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5f9fd7af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,312 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Andrej Marsetič, 2022-2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jure Cuhalev <gandalf@owca.info>, 2012
+# Primoz Verdnik <primoz.verdnik@gmail.com>, 2017
+# zejn <zelo.zejn+transifex@gmail.com>, 2013,2016-2017
+# zejn <zelo.zejn+transifex@gmail.com>, 2011-2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Andrej Marsetič, 2022-2023\n"
+"Language-Team: Slovenian (http://app.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "Personal info"
+msgstr "Osebni podatki"
+
+msgid "Permissions"
+msgstr "Dovoljenja"
+
+msgid "Important dates"
+msgstr "Pomembni datumi"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Objekt %(name)s z glavnim ključem %(key)r ne obstaja."
+
+msgid "Password changed successfully."
+msgstr "Geslo je uspešno spremenjeno."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Spremeni geslo: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Avtentikacija in avtorizacija"
+
+msgid "password"
+msgstr "geslo"
+
+msgid "last login"
+msgstr "zadnja prijava"
+
+msgid "No password set."
+msgstr "Geslo ni nastavljeno."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Neveljavna oblika gesla ali neznan algoritem razpršila."
+
+msgid "The two password fields didn’t match."
+msgstr "Polji za geslo se nista ujemali."
+
+msgid "Password"
+msgstr "Geslo"
+
+msgid "Password confirmation"
+msgstr "Potrditev gesla"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Vnesite isto geslo kot prej, za preverjanje."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Neobdelana gesla niso shranjena, zato gesla tega uporabnika ni mogoče "
+"videti, vendar lahko geslo spremenite z uporabo<a href=\"{}\">tega obrazca</"
+"a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Vnesite veljavno %(username)s in geslo. Opomba: obe polji upoštevata "
+"velikost črk."
+
+msgid "This account is inactive."
+msgstr "Ta uporabniški račun ni dejaven."
+
+msgid "Email"
+msgstr "Elektronski naslov"
+
+msgid "New password"
+msgstr "Novo geslo"
+
+msgid "New password confirmation"
+msgstr "Potrditev novega gesla"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Vaše staro geslo ni vneseno pravilno. Poskusite znova."
+
+msgid "Old password"
+msgstr "Staro geslo"
+
+msgid "Password (again)"
+msgstr "Geslo (znova)"
+
+msgid "algorithm"
+msgstr "algoritem"
+
+msgid "iterations"
+msgstr "ponovitev"
+
+msgid "salt"
+msgstr "naključna vrednost"
+
+msgid "hash"
+msgstr "razpršilo"
+
+msgid "variety"
+msgstr "pestrost"
+
+msgid "version"
+msgstr "različica"
+
+msgid "memory cost"
+msgstr "pomnilniška zahtevnost"
+
+msgid "time cost"
+msgstr "časovna zahtevnost"
+
+msgid "parallelism"
+msgstr "paralelnost"
+
+msgid "work factor"
+msgstr "faktor obremenitve"
+
+msgid "checksum"
+msgstr "nadzorna vsota"
+
+msgid "block size"
+msgstr "velikost bloka"
+
+msgid "name"
+msgstr "ime"
+
+msgid "content type"
+msgstr "vrsta vsebine"
+
+msgid "codename"
+msgstr "kodno ime"
+
+msgid "permission"
+msgstr "dovoljenje"
+
+msgid "permissions"
+msgstr "dovoljenja"
+
+msgid "group"
+msgstr "skupina"
+
+msgid "groups"
+msgstr "skupine"
+
+msgid "superuser status"
+msgstr "stanje skrbnika"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Določi, da bo uporabnik imel vsa dovoljenja, ne da bi mu jih posebej "
+"dodelili."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Skupine, katerih član je ta uporabnik. Uporabnik pridobi vsa dovoljenja, "
+"povezana z vsako izmed skupin."
+
+msgid "user permissions"
+msgstr "uporabniška dovoljenja"
+
+msgid "Specific permissions for this user."
+msgstr "Dovoljenja specifična za tega uporabnika."
+
+msgid "username"
+msgstr "uporabniško ime"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Zahtevano. 150 znakov ali manj. Le črke, števke in znaki @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Uporabnik s tem uporabniškim imenom že obstaja."
+
+msgid "first name"
+msgstr "ime"
+
+msgid "last name"
+msgstr "priimek"
+
+msgid "email address"
+msgstr "elektronski naslov"
+
+msgid "staff status"
+msgstr "stanje osebja"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Določi, ali se sme uporabnik prijaviti kot skrbnik."
+
+msgid "active"
+msgstr "dejaven"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Določi, ali je uporabnik dejaven. Možnost je priročna in preprečuje brisanje "
+"računov."
+
+msgid "date joined"
+msgstr "vpisan od"
+
+msgid "user"
+msgstr "uporabnik"
+
+msgid "users"
+msgstr "uporabniki"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "To geslo je prekratko. Imeti mora vsaj %(min_length)d znak."
+msgstr[1] "To geslo je prekratko. Imeti mora vsaj %(min_length)d znaka."
+msgstr[2] "To geslo je prekratko. Imeti mora vsaj %(min_length)d znake."
+msgstr[3] "To geslo je prekratko. Imeti mora vsaj %(min_length)d znakov."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Vaše geslo mora imeti vsaj %(min_length)d znak."
+msgstr[1] "Vaše geslo mora imeti vsaj %(min_length)d znaka."
+msgstr[2] "Vaše geslo mora imeti vsaj %(min_length)d znake."
+msgstr[3] "Vaše geslo mora imeti vsaj %(min_length)d znakov."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Geslo je preveč podobno %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Vaše geslo ne sme biti preveč podobno vašim drugim osebnim podatkom."
+
+msgid "This password is too common."
+msgstr "Geslo je eno izmed preveč pogosto uporabljanih."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Vaše geslo ne sme biti pogosto uporabljeno geslo."
+
+msgid "This password is entirely numeric."
+msgstr "Vaše geslo je sestavljeno samo iz števk."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Vaše geslo ne sme biti v celoti sestavljeno iz številk."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Geslo na %(site_name)s je ponastavljeno."
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Vnesite veljavno uporabniško ime. Ta vrednost lahko vsebuje samo nenaglašene "
+"male črke a–z in velike črke A–Z, številke in znake @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Vnesite veljavno uporabniško ime. Ta vrednost sme vsebovati le črke, števke "
+"in znake @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Odjavljen"
+
+msgid "Password reset"
+msgstr "Ponastavi geslo"
+
+msgid "Password reset sent"
+msgstr "Navodila za ponastavitev gesla so bila poslana"
+
+msgid "Enter new password"
+msgstr "Vnesite novo geslo"
+
+msgid "Password reset unsuccessful"
+msgstr "Ponastavitev gesla ni uspela"
+
+msgid "Password reset complete"
+msgstr "Ponastavitev gesla zaključena"
+
+msgid "Password change"
+msgstr "Sprememba gesla"
+
+msgid "Password change successful"
+msgstr "Sprememba gesla je uspela"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8f64e2e7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sq/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fa5eb0f4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,313 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik Bleta <besnik@programeshqip.org>, 2011,2015
+# Besnik Bleta <besnik@programeshqip.org>, 2023
+# Besnik Bleta <besnik@programeshqip.org>, 2015,2017,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Besnik Bleta <besnik@programeshqip.org>, 2023\n"
+"Language-Team: Albanian (http://app.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Të dhëna personale"
+
+msgid "Permissions"
+msgstr "Leje"
+
+msgid "Important dates"
+msgstr "Të dhëna të rëndësishme"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "S’ekziston objekt %(name)s me kyç parësor %(key)r."
+
+msgid "Password changed successfully."
+msgstr "Fjalëkalimi u ndryshua me sukses."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Ndryshoni fjalëkalimin: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Mirëfilltësim dhe Autorizim"
+
+msgid "password"
+msgstr "fjalëkalim"
+
+msgid "last login"
+msgstr "hyrja e fundit"
+
+msgid "No password set."
+msgstr "S’ka fjalëkalim të caktuar."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Format i pavlefshëm fjalëkalimi ose algoritëm i panjohur hashi."
+
+msgid "The two password fields didn’t match."
+msgstr "Dy fushat për fjalëkalim s’u përputhën."
+
+msgid "Password"
+msgstr "Fjalëkalim"
+
+msgid "Password confirmation"
+msgstr "Ripohim fjalëkalimi"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Jepni, për verifikim, të njëjtin fjalëkalim si më parë."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Nuk depozitohen fjalëkalime të papërpunuar, ndaj s’ka ndonjë mënyrë për të "
+"parë fjalëkalimin e këtij përdoruesi, por mund ta ndryshoni fjalëkalimin "
+"duke përdorur <a href=\"{}\">këtë formular</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Ju lutemi, jepni një %(username)s dhe një fjalëkalim të saktë. Kini parasysh "
+"se që të dyja fushat mund të jenë të ndjeshme ndaj shkrimit me shkronja të "
+"mëdha ose të vogla."
+
+msgid "This account is inactive."
+msgstr "Kjo llogari s’është aktive."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Fjalëkalim i ri"
+
+msgid "New password confirmation"
+msgstr "Ripohim fjalëkalimi të ri"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Fjalëkalimi juaj i vjetër u dha pasaktësisht. Ju lutemi, jepeni sërish."
+
+msgid "Old password"
+msgstr "Fjalëkalim i vjetër"
+
+msgid "Password (again)"
+msgstr "Fjalëkalim (sërish)"
+
+msgid "algorithm"
+msgstr "algoritëm"
+
+msgid "iterations"
+msgstr "përsëritje"
+
+msgid "salt"
+msgstr "kripë"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "larmi"
+
+msgid "version"
+msgstr "version"
+
+msgid "memory cost"
+msgstr "kosto kujtese"
+
+msgid "time cost"
+msgstr "kosto në kohë"
+
+msgid "parallelism"
+msgstr "paralelizëm"
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "block size"
+msgstr "madhësi blloku"
+
+msgid "name"
+msgstr "emër"
+
+msgid "content type"
+msgstr "lloj lënde"
+
+msgid "codename"
+msgstr "emër i koduar"
+
+msgid "permission"
+msgstr "leje"
+
+msgid "permissions"
+msgstr "leje"
+
+msgid "group"
+msgstr "grup"
+
+msgid "groups"
+msgstr "grupe"
+
+msgid "superuser status"
+msgstr "gjendje superpërdoruesi"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Përcakton që ky përdorues ka krejt lejet, pa ia akorduar ato shprehimisht."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupet te të cilët bën pjesë ky përdorues. Një përdorues do të gëzojë krejt "
+"lejet e akorduara secilit te këto grupe."
+
+msgid "user permissions"
+msgstr "leje përdoruesi"
+
+msgid "Specific permissions for this user."
+msgstr "Leje specifike për këtë përdorues."
+
+msgid "username"
+msgstr "emër përdoruesi"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"E domosdoshme. 150 ose më pak shenja. Vetëm shkronja, shifra, dhe @/./+/-/_ ."
+
+msgid "A user with that username already exists."
+msgstr "Ka tashmë një emër të tillë përdoruesi."
+
+msgid "first name"
+msgstr "emër"
+
+msgid "last name"
+msgstr "mbiemër"
+
+msgid "email address"
+msgstr "adresë email"
+
+msgid "staff status"
+msgstr "vend në ekip"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Përcakton nëse mund të hyjë ose jo përdoruesi te ky sajt administrimi."
+
+msgid "active"
+msgstr "veprues"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Përcakton nëse ky përdorues do të duhej trajtuar si aktiv. Shpërzgjidheni "
+"këtë, në vend se të fshihni llogari."
+
+msgid "date joined"
+msgstr "datë anëtarësimi"
+
+msgid "user"
+msgstr "përdorues"
+
+msgid "users"
+msgstr "përdorues"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Ky fjalëkalim është shumë i shkurtër. Duhet të përmbajë të paktën "
+"%(min_length)d shenjë."
+msgstr[1] ""
+"Ky fjalëkalim është shumë i shkurtër. Duhet të përmbajë të paktën "
+"%(min_length)d shenja."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Fjalëkalimi juaj duhet të përmbajë të paktën %(min_length)d shenjë."
+msgstr[1] "Fjalëkalimi juaj duhet të përmbajë të paktën %(min_length)d shenja."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Fjalëkalimi është shumë i ngjashëm me %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Fjalëkalimi juaj s’mund të jetë shumë i ngjashëm me të dhëna të tjera tuajat "
+"personale."
+
+msgid "This password is too common."
+msgstr "Ky fjalëkalim është shumë i rëndomtë."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Fjalëkalimi juaj s’mund të jetë një fjalëkalim i përdorur rëndom."
+
+msgid "This password is entirely numeric."
+msgstr "Ky fjalëkalim është tërësisht numerik."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Fjalëkalimi juaj s’mund të jetë tërësisht numerik."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Ricaktim fjalëkalimi për te %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Jepni një emër përdoruesi të vlefshëm. Kjo vlerë mund të përmbajë vetëm "
+"shkronja pa theks, me të vogla, a-z dhe të mëdha, A-Z, numra dhe shenjat @/./"
+"+/-/_ ."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Jepni një emër përdoruesi të vlefshëm. Kjo vlerë mund të përmbajë vetëm "
+"shkronja, numra dhe shenjat @/./+/-/_ ."
+
+msgid "Logged out"
+msgstr "I dalë"
+
+msgid "Password reset"
+msgstr "Ricaktim fjalëkalimi"
+
+msgid "Password reset sent"
+msgstr "U dërgua ricaktim fjalëkalimi"
+
+msgid "Enter new password"
+msgstr "Jepni fjalëkalimin e ri"
+
+msgid "Password reset unsuccessful"
+msgstr "Ricaktimi i fjalëkalimit nuk pati sukses"
+
+msgid "Password reset complete"
+msgstr "Ricaktimi i fjalëkalimit u plotësua"
+
+msgid "Password change"
+msgstr "Ndryshim fjalëkalimi"
+
+msgid "Password change successful"
+msgstr "Ndryshim i suksesshëm fjalëkalimi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..106347a4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9a770c55
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,313 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2020-2021,2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Igor Jerosimić, 2020-2021,2023\n"
+"Language-Team: Serbian (http://app.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Personal info"
+msgstr "Лични подаци"
+
+msgid "Permissions"
+msgstr "Дозволе"
+
+msgid "Important dates"
+msgstr "Важни датуми"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s објекат са примарним кључем %(key)r не постоји."
+
+msgid "Password changed successfully."
+msgstr "Лозинка успешно измењена."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Измени лозинку: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Аутентикација и Ауторизација"
+
+msgid "password"
+msgstr "лозинка"
+
+msgid "last login"
+msgstr "последња пријава"
+
+msgid "No password set."
+msgstr "Лозинка није унета."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Инвалидан формат лозинке или непознат hashing алгоритам."
+
+msgid "The two password fields didn’t match."
+msgstr "Два поља за лозинке се не поклапају."
+
+msgid "Password"
+msgstr "Лозинка"
+
+msgid "Password confirmation"
+msgstr "Потврда лозинке"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Унесите исту лозинку као малопре ради верификације."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Лозинке се не чувају у изворном облику па не постоји могућност приказа "
+"лозинке овог корисника, али можете променити лозинку коришћењем <a "
+"href=\"{}\">ове форме</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Молим вас унесите исправно %(username)s и лозинку. Обратите пажњу да мала и "
+"велика слова представљају различите карактере."
+
+msgid "This account is inactive."
+msgstr "Овај налог је неактиван."
+
+msgid "Email"
+msgstr "И-мејл"
+
+msgid "New password"
+msgstr "Нова лозинка"
+
+msgid "New password confirmation"
+msgstr "Потврда нове лозинке"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Ваша стара лознка није правилно унесена. Унесите је поново."
+
+msgid "Old password"
+msgstr "Стара лозинка"
+
+msgid "Password (again)"
+msgstr "Лозинка (поновите)"
+
+msgid "algorithm"
+msgstr "алгоритам"
+
+msgid "iterations"
+msgstr "итерације"
+
+msgid "salt"
+msgstr "зачин"
+
+msgid "hash"
+msgstr "хеш"
+
+msgid "variety"
+msgstr "варијанта"
+
+msgid "version"
+msgstr "верзија"
+
+msgid "memory cost"
+msgstr "меморијска захтевност"
+
+msgid "time cost"
+msgstr "временска захтевност"
+
+msgid "parallelism"
+msgstr "паралелизам"
+
+msgid "work factor"
+msgstr "фактор сложености"
+
+msgid "checksum"
+msgstr "сума за проверу"
+
+msgid "block size"
+msgstr "величина блока"
+
+msgid "name"
+msgstr "име"
+
+msgid "content type"
+msgstr "тип садржаја"
+
+msgid "codename"
+msgstr "шифра дозволе"
+
+msgid "permission"
+msgstr "дозвола"
+
+msgid "permissions"
+msgstr "дозволе"
+
+msgid "group"
+msgstr "група"
+
+msgid "groups"
+msgstr "групе"
+
+msgid "superuser status"
+msgstr "статус администратора"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Указује да корисник има све дозволе без додељивања појединачних дозвола."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Групе којима припада овај корисник. Корисник ће добити све дозволе које су "
+"дате групама којима припада."
+
+msgid "user permissions"
+msgstr "корисникове дозволе"
+
+msgid "Specific permissions for this user."
+msgstr "Дозволе које се односе на овог корисника."
+
+msgid "username"
+msgstr "корисничко име"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Обавезан податак. 150 карактера или мање. Дозвољена су само слова, цифре и "
+"карактери @/./+/-/_ ."
+
+msgid "A user with that username already exists."
+msgstr "Корисник са тим корисничким именом већ постоји."
+
+msgid "first name"
+msgstr "име"
+
+msgid "last name"
+msgstr "презиме"
+
+msgid "email address"
+msgstr "и-мејл адреса"
+
+msgid "staff status"
+msgstr "статус члана посаде"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Указује да корисник може да се пријави на овај сајт за администрацију."
+
+msgid "active"
+msgstr "активан"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Означава да ли се корисник сматра активним. Деселектујте ово уместо да "
+"бришете налог."
+
+msgid "date joined"
+msgstr "датум регистрације"
+
+msgid "user"
+msgstr "корисник"
+
+msgid "users"
+msgstr "корисници"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Ова лозинка је превише кратка, мора садржати најмање %(min_length)d карактер."
+msgstr[1] ""
+"Ова лозинка је превише кратка, мора садржати најмање %(min_length)d "
+"карактера."
+msgstr[2] ""
+"Ова лозинка је превише кратка, мора садржати најмање %(min_length)d "
+"карактера."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Ваша лозинка мора садржати најмање %(min_length)d карактер."
+msgstr[1] "Ваша лозинка мора садржати најмање %(min_length)d карактера."
+msgstr[2] "Ваша лозинка мора садржати најмање %(min_length)d карактера."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Лозинка је превише слична пољу '%(verbose_name)s'."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Ваша лозинка не може бити слична вашим личним подацима."
+
+msgid "This password is too common."
+msgstr "Ова лозинка је међу најчешће коришћеним лозинкама."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Ваша лозинка не може бити међу најчешће коришћеним лозинкама."
+
+msgid "This password is entirely numeric."
+msgstr "Ова лозинка садржи само цифре."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Ваша лозинка не може садржати само цифре."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Ресетовање лозинке на сајту %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Унесите исправно корисничко име. Оно може садржати само неакцентована мала "
+"слова a-z и велика слова A-Z, цифре и карактере @/./+/-/_ ."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Унесите исправно корисничко име. Оно може садржати само слова, цифре и "
+"карактере @/./+/-/_  ."
+
+msgid "Logged out"
+msgstr "Одјављен"
+
+msgid "Password reset"
+msgstr "Ресет лозинке"
+
+msgid "Password reset sent"
+msgstr "Захтев за ресет лозинке је послат"
+
+msgid "Enter new password"
+msgstr "Унесите нову лозинку"
+
+msgid "Password reset unsuccessful"
+msgstr "Неуспешан ресет лозинке"
+
+msgid "Password reset complete"
+msgstr "Ресет лозинке је завршен"
+
+msgid "Password change"
+msgstr "Промена лозинке"
+
+msgid "Password change successful"
+msgstr "Лозинка је успешно промењена"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f335b55f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr_Latn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fdfda7d1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,299 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2021,2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Igor Jerosimić, 2021,2023\n"
+"Language-Team: Serbian (Latin) (http://app.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Personal info"
+msgstr "Lični podaci"
+
+msgid "Permissions"
+msgstr "Dozvole"
+
+msgid "Important dates"
+msgstr "Važni datumi"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Lozinka uspešno izmenjena."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Izmeni lozinku: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentikacija i Autorizacija"
+
+msgid "password"
+msgstr "lozinka"
+
+msgid "last login"
+msgstr "poslednja prijava"
+
+msgid "No password set."
+msgstr "Lozinka nije uneta."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Neispravan format lozinke ili nepoznat heš algoritam."
+
+msgid "The two password fields didn’t match."
+msgstr "Dva polja za lozinke se ne poklapaju."
+
+msgid "Password"
+msgstr "Lozinka"
+
+msgid "Password confirmation"
+msgstr "Potvrda lozinke"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Unesite istu lozinku kao malopre radi verifikacije."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "Ovaj nalog je neaktivan."
+
+msgid "Email"
+msgstr "I-mejl"
+
+msgid "New password"
+msgstr "Nova lozinka"
+
+msgid "New password confirmation"
+msgstr "Potvrda nove lozinke"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Vaša stara loznka nije pravilno unesena. Unesite je ponovo."
+
+msgid "Old password"
+msgstr "Stara lozinka"
+
+msgid "Password (again)"
+msgstr "Lozinka (ponovite)"
+
+msgid "algorithm"
+msgstr "algoritam"
+
+msgid "iterations"
+msgstr "iteracije"
+
+msgid "salt"
+msgstr "začin"
+
+msgid "hash"
+msgstr "heš"
+
+msgid "variety"
+msgstr "varijanta"
+
+msgid "version"
+msgstr "verzija"
+
+msgid "memory cost"
+msgstr "memorijska zahtevnost"
+
+msgid "time cost"
+msgstr "vremenska zahtevnost"
+
+msgid "parallelism"
+msgstr "paralelizam"
+
+msgid "work factor"
+msgstr "faktor rada"
+
+msgid "checksum"
+msgstr "suma za proveru"
+
+msgid "block size"
+msgstr "veličina bloka"
+
+msgid "name"
+msgstr "ime"
+
+msgid "content type"
+msgstr "tip sadržaja"
+
+msgid "codename"
+msgstr "šifra dozvole"
+
+msgid "permission"
+msgstr "dozvola"
+
+msgid "permissions"
+msgstr "dozvole"
+
+msgid "group"
+msgstr "grupa"
+
+msgid "groups"
+msgstr "grupe"
+
+msgid "superuser status"
+msgstr "status administratora"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Označava da li korisnik ima sve dozvole bez dodeljivanja pojedinačnih "
+"dozvola."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Grupe kojima pripada ovaj korisnik. Korisnik će dobiti sve dozvole koje su "
+"date grupama kojima pripada."
+
+msgid "user permissions"
+msgstr "korisničke dozvole"
+
+msgid "Specific permissions for this user."
+msgstr "Dozvole koje se odnose na ovog korisnika."
+
+msgid "username"
+msgstr "korisničko ime"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Korisnik sa tim korisničkim imenom već postoji."
+
+msgid "first name"
+msgstr "ime"
+
+msgid "last name"
+msgstr "prezime"
+
+msgid "email address"
+msgstr "Adresa e-pošte:"
+
+msgid "staff status"
+msgstr "status člana posade"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Označava da li korisnik može da se prijavi na ovaj sajt za administraciju."
+
+msgid "active"
+msgstr "aktivan"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Označava da li se korisnik smatra aktivnim. Deselektujte ovo umesto da "
+"brišete nalog."
+
+msgid "date joined"
+msgstr "datum registracije"
+
+msgid "user"
+msgstr "korisnik"
+
+msgid "users"
+msgstr "korisnici"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Resetovanje lozinke na sajtu %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Odjavljen"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4461738c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8f2ed9d7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,317 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Albin Larsson <albin.post@gmail.com>, 2022
+# Alex Nordlund <deep.alexander@gmail.com>, 2012
+# Cybjit <cybjit@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2015
+# Jonathan Lindén, 2014
+# Mattias Hansson <mattias.gothenburg@gmail.com>, 2016
+# nip3o <n@niclasolofsson.se>, 2014
+# Petter Strandmark <petter.strandmark@gmail.com>, 2019
+# Samuel Linde <samuel@linde.im>, 2011
+# Thomas Lundqvist, 2013,2016
+# Tomas Lööw <tomas.loow@mailbox.org>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2022-07-25 08:09+0000\n"
+"Last-Translator: Albin Larsson <albin.post@gmail.com>\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Personlig information"
+
+msgid "Permissions"
+msgstr "Rättigheter"
+
+msgid "Important dates"
+msgstr "Viktiga datum"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s-objekt med primärnyckel %(key)r finns inte."
+
+msgid "Password changed successfully."
+msgstr "Lösenordet ändrades framgångsrikt."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Ändra lösenord: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentisering och auktorisering"
+
+msgid "password"
+msgstr "lösenord"
+
+msgid "last login"
+msgstr "senaste inloggning"
+
+msgid "No password set."
+msgstr "Inget lösenord angivet."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Ogiltigt lösenordsformat eller okänd hashalgoritm."
+
+msgid "The two password fields didn’t match."
+msgstr "De två lösenordsfälten stämmer inte överens."
+
+msgid "Password"
+msgstr "Lösenord"
+
+msgid "Password confirmation"
+msgstr "Lösenordsbekräftelse"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Fyll i samma lösenord som tidigare för verifiering."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Lösenord lagras inte direkt, så det finns inget sätt att se denna användares "
+"lösenord, men du kan ändra lösenorden med <a href=\"{}\">detta formulär</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Ange ett korrekt %(username)s och lösenord. Observera att båda fälten är "
+"skiftlägeskänsliga."
+
+msgid "This account is inactive."
+msgstr "Detta konto är inaktivt."
+
+msgid "Email"
+msgstr "E-postadress"
+
+msgid "New password"
+msgstr "Nytt lösenord"
+
+msgid "New password confirmation"
+msgstr "Bekräfta nytt lösenord"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Ditt gamla lösenord var felaktigt ifyllt. Var vänlig fyll i det igen."
+
+msgid "Old password"
+msgstr "Gammalt lösenord"
+
+msgid "Password (again)"
+msgstr "Lösenord (igen)"
+
+msgid "algorithm"
+msgstr "algoritm"
+
+msgid "iterations"
+msgstr "iterationer"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "variation"
+
+msgid "version"
+msgstr "version"
+
+msgid "memory cost"
+msgstr "minneskostnad"
+
+msgid "time cost"
+msgstr "tidskostnad"
+
+msgid "parallelism"
+msgstr "parallellism"
+
+msgid "work factor"
+msgstr "arbetsfaktor"
+
+msgid "checksum"
+msgstr "kontrollsumma"
+
+msgid "block size"
+msgstr "blockstorlek"
+
+msgid "name"
+msgstr "namn"
+
+msgid "content type"
+msgstr "innehållstyp"
+
+msgid "codename"
+msgstr "kodnamn"
+
+msgid "permission"
+msgstr "rättighet"
+
+msgid "permissions"
+msgstr "rättigheter"
+
+msgid "group"
+msgstr "grupp"
+
+msgid "groups"
+msgstr "grupper"
+
+msgid "superuser status"
+msgstr "superanvändare"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Anger att denna användare har alla rättigheter utan att uttryckligen "
+"tilldela dem."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"De grupper som användaren är medlem i. Användare får tillgång till alla "
+"rättigheter som deras grupper har."
+
+msgid "user permissions"
+msgstr "användarättigheter"
+
+msgid "Specific permissions for this user."
+msgstr "Specifika rättigheter för denna användare."
+
+msgid "username"
+msgstr "användarnamn"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Obligatoriskt. 150 tecken eller färre. Endast bokstäver, siffror och @/./+/-/"
+"_."
+
+msgid "A user with that username already exists."
+msgstr "En användare med det användarnamnet finns redan."
+
+msgid "first name"
+msgstr "förnamn"
+
+msgid "last name"
+msgstr "efternamn"
+
+msgid "email address"
+msgstr "e-postadress"
+
+msgid "staff status"
+msgstr "personalstatus"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Avgör om användaren kan logga in på denna adminsida."
+
+msgid "active"
+msgstr "aktiv"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Anger om användaren skall betraktas som aktiv. Avmarkera detta istället för "
+"att ta bort konton."
+
+msgid "date joined"
+msgstr "registreringsdatum"
+
+msgid "user"
+msgstr "användare"
+
+msgid "users"
+msgstr "användare"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Detta lösenord är för kort. Det måste innehålla minst %(min_length)d tecken."
+msgstr[1] ""
+"Detta lösenord är för kort. Det måste innehålla minst %(min_length)d tecken."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Ditt lösenord måste innehålla minst %(min_length)d tecken."
+msgstr[1] "Ditt lösenord måste innehålla minst %(min_length)d tecken."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Ditt lösenord är alltför likt %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+"Ditt lösenord kan inte vara alltför likt din övriga personliga information."
+
+msgid "This password is too common."
+msgstr "Detta lösenord är alldeles för vanligt."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Ditt lösenord kan inte vara ett allmänt använt lösenord."
+
+msgid "This password is entirely numeric."
+msgstr "Detta lösenord är enbart numeriskt."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Ditt lösenord kan inte bara vara numeriskt."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Lösenord nollställt på %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Fyll i ett giltigt användarnamn. Detta värde får endast innehålla bokstäver "
+"a-z, siffror och @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Fyll i ett giltigt användarnamn. Detta värde får endast innehålla bokstäver, "
+"siffror och @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Utloggad"
+
+msgid "Password reset"
+msgstr "Nollställ lösenord"
+
+msgid "Password reset sent"
+msgstr "Lösenordsnollställning skickad"
+
+msgid "Enter new password"
+msgstr "Nytt lösenord"
+
+msgid "Password reset unsuccessful"
+msgstr "Lösenordsnollställning misslyckad"
+
+msgid "Password reset complete"
+msgstr "Nollställning av lösenord klar"
+
+msgid "Password change"
+msgstr "Ändra lösenord"
+
+msgid "Password change successful"
+msgstr "Lösenordet ändrades"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..712fea06
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sw/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..20e517d5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,287 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Machaku <bmachaku@gmail.com>, 2012-2014
+# Machaku <bmachaku@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Taarifa binafsi"
+
+msgid "Permissions"
+msgstr "Ruhusa"
+
+msgid "Important dates"
+msgstr "Tarehe muhimu"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "Nenosiri limebadilishwa kwa mafanikio"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Badilisha nenosiri: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Utambulisho na Idhini"
+
+msgid "password"
+msgstr "nenosiri"
+
+msgid "last login"
+msgstr "kuingia kwa mara ya mwisho"
+
+msgid "No password set."
+msgstr "Hakuna nenosiri lililowekwa."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Muundo batili wa nenosiri au algorithm ya ku-'hash' isiyotambulika"
+
+msgid "The two password fields didn't match."
+msgstr "Sehemu mbili za nenosiri hazikufanana"
+
+msgid "Password"
+msgstr "Nenosiri"
+
+msgid "Password confirmation"
+msgstr "Uthibitisho wa nenosiri"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Rudia kuingiza nenosiri ili kuhakiki"
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Tafadhali sahihisha %(username)s na nywila. Kumbuka kuzinazingatia herufi "
+"kubwa na ndogo katika sehemu zote mbili."
+
+msgid "This account is inactive."
+msgstr "Akaunti hii si hai."
+
+msgid "Email"
+msgstr "Barua pepe"
+
+msgid "New password"
+msgstr "Nywila mpya"
+
+msgid "New password confirmation"
+msgstr "Uthibitisho wa nywila mpya"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Nywila yako ya zamani imekosewa. Tafadhali ingiza tena."
+
+msgid "Old password"
+msgstr "Nywila ya zamani"
+
+msgid "Password (again)"
+msgstr "Nywila (tena)"
+
+msgid "algorithm"
+msgstr "alogarithimu"
+
+msgid "iterations"
+msgstr "mizunguko"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "kazi inayohitajika"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "name"
+msgstr "jina"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "jina la msimbo"
+
+msgid "permission"
+msgstr "ruhusa"
+
+msgid "permissions"
+msgstr "ruhusa"
+
+msgid "group"
+msgstr "kundi"
+
+msgid "groups"
+msgstr "makundi"
+
+msgid "superuser status"
+msgstr "hadhi ya mtumiaji wa juu"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Teua mtumiaji huyu kuwa na ruhusa zote pasipo kuziainisha wazi."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "ruhusa za mtumiaji"
+
+msgid "Specific permissions for this user."
+msgstr "Ruhusa mahususi kwa mtumiaji huyu"
+
+msgid "username"
+msgstr "jina la mtumiaji"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "Tayari kuna anayetumia hilo jina la mtumiaji."
+
+msgid "first name"
+msgstr "jina la kwanza"
+
+msgid "last name"
+msgstr "jina la mwisho"
+
+msgid "email address"
+msgstr "anuani ya barua pepe"
+
+msgid "staff status"
+msgstr "hadhi ya utawala"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Teua kama mtumiaji anaweza kuingia katika tovuti ya utawala."
+
+msgid "active"
+msgstr "hai"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr " "
+
+msgid "date joined"
+msgstr "tarehe ya kujiunga"
+
+msgid "user"
+msgstr "mtumiaji"
+
+msgid "users"
+msgstr "watumiaji"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Neno siri hili linafanana sana na %(verbose_name)s."
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr "Nenosiri lako haliwezi kuwa linafanana sana na taarifa zako binafsi"
+
+msgid "This password is too common."
+msgstr "Nenosiri hili ni la kawaida mno."
+
+msgid "Your password can't be a commonly used password."
+msgstr "Nenosiri lako hairuhusiwi kuwa ambalo hutumika mara kwa mara."
+
+msgid "This password is entirely numeric."
+msgstr "Nenosiri hili lina namba tupu."
+
+msgid "Your password can't be entirely numeric."
+msgstr "Nenosiri lako haliwezi kuwa la namba tu."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Kuseti upya nywila ya %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "Umetoka"
+
+msgid "Password reset"
+msgstr "Kuseti nywila upya"
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr "Ingiza nywila mpya"
+
+msgid "Password reset unsuccessful"
+msgstr "Imeshindikana kuseti nywila upya"
+
+msgid "Password reset complete"
+msgstr "Kuset nywila upya kumekamilika"
+
+msgid "Password change"
+msgstr "Kubadilisha nywila"
+
+msgid "Password change successful"
+msgstr "Imeshindikana kubadilisha nywila"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..77070958
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3e89f57e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,283 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/django/django/language/ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "தனிப்பட்ட விவரம்"
+
+msgid "Permissions"
+msgstr "அனுமதிகள்"
+
+msgid "Important dates"
+msgstr "முக்கியமான தேதிகள்"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "கடவுச்சொல்"
+
+msgid "last login"
+msgstr "கடைசி உள்நுழைவு"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr "கடவுச்சொல்"
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "இந்த கணக்கு செயல்பட துவங்கவில்லை"
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr ""
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr "கடவுச்சொல்(மறுபடியும்)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "பெயர்"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "குறிமுறை பெயர்"
+
+msgid "permission"
+msgstr "அனுமதி"
+
+msgid "permissions"
+msgstr "அனுமதிகள்"
+
+msgid "group"
+msgstr "குழு"
+
+msgid "groups"
+msgstr "குழுக்கள்"
+
+msgid "superuser status"
+msgstr "மேலாளர் இருப்பு நிலை"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "இந்த பயனருக்கு எல்லா அங்கீகாரங்களும் வழங்கப்படவில்லை."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "பயனர் அனுமதிகள்"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "பயனர் பெயர்"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr "முதல் பெயர்"
+
+msgid "last name"
+msgstr "கடைசி பெயர்"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr "பணியாளர் நிலை"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "பயனர், 'மேலாளலர்' பக்கத்தில் நுழைவதை முடிவு செய்கிறது"
+
+msgid "active"
+msgstr "செயல்படும்"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr "சேர்ந்த தேதி"
+
+msgid "user"
+msgstr "பயனர்"
+
+msgid "users"
+msgstr "பயனர்கள்"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "வெளியே வந்துவீட்டீர்"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4aad473b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d50487ce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,285 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# bhaskar teja yerneni <prudhviy@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# వీవెన్ <veeven@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "వ్యక్తిగత సమాచారం  "
+
+msgid "Permissions"
+msgstr "అనుమతులు"
+
+msgid "Important dates"
+msgstr "ముఖ్యమైన తేదీలు"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "సంకేతపదాన్ని విజయవంతంగా మార్చారు."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "సంకేతపదాన్ని మార్చుకోండి: %s"
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "సంకేతపదం"
+
+msgid "last login"
+msgstr "చివరి ప్రవేశం"
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr "ఈ రెండు అనుమతి పదాలు అసమానమైనంగ ఉన్నాయి"
+
+msgid "Password"
+msgstr "సంకేతపదం"
+
+msgid "Password confirmation"
+msgstr "సంకేపదపు నిర్ధారణ"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr "ఈ ఖాతా అచేతనమైనది"
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "కొత్త సంకేతపదం"
+
+msgid "New password confirmation"
+msgstr "కొత్త సంకేతపదపు నిర్ధారణ"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr "పాత  సంకేతపదం"
+
+msgid "Password (again)"
+msgstr "సంకేతపదం (మళ్ళీ)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "పేరు"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "సంహితనామము"
+
+msgid "permission"
+msgstr "అనుమతి"
+
+msgid "permissions"
+msgstr "అనుమతులు"
+
+msgid "group"
+msgstr "గుంపు"
+
+msgid "groups"
+msgstr "గుంపులు"
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "వాడుకరి అనుమతులు"
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "వాడుకరిపేరు"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "ఈ నామముతొ ఇంకొ వినియొగదారి ఉన్నరు"
+
+msgid "first name"
+msgstr "మొదటి పేరు"
+
+msgid "last name"
+msgstr "ఇంటి పేరు"
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr "ఉద్యోగస్తుల  స్థితి"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr "క్రియాశీలం"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr "చేరిన తేదీ"
+
+msgid "user"
+msgstr "వాడుకరి"
+
+msgid "users"
+msgstr "వాడుకరులు"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "నిష్క్రమించారు"
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..301132d3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..984b9699
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,299 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-15 00:26+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Маълумоти хусусӣ"
+
+msgid "Permissions"
+msgstr "Салоҳият"
+
+msgid "Important dates"
+msgstr "Санаҳои муҳим"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s бо калидҳои ягонаи(pk) %(key)r вуҷуд надорад."
+
+msgid "Password changed successfully."
+msgstr "Рамз муваффақона иваз карда шуд."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Ивазкунии рамз: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Истифодабарандагон ва гурӯҳҳо"
+
+msgid "password"
+msgstr "рамз"
+
+msgid "last login"
+msgstr "охирин вуруд"
+
+msgid "No password set."
+msgstr "Рамзро ворид созед."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Формати рамз ё алгоритми ҳеш(hash) ношинос аст."
+
+msgid "The two password fields didn’t match."
+msgstr ""
+
+msgid "Password"
+msgstr "Рамз"
+
+msgid "Password confirmation"
+msgstr "Тасдиқи рамз"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Барои тасдиқсозӣ хоҳишмандем, бори дигар рамзро ворид созед."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Хоҳишмандем %(username)s ва рамзро дуруст ворид созед. Ҳарду майдон "
+"духӯра(case-sensitive) ҳастанд."
+
+msgid "This account is inactive."
+msgstr "Ин ҳисоби корбарӣ хомӯш аст."
+
+msgid "Email"
+msgstr "Суроғаи почтаи электронӣ"
+
+msgid "New password"
+msgstr "Рамзи нав"
+
+msgid "New password confirmation"
+msgstr "Тасдиқи рамзи нав"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Рамзи пешинаро нодуруст ворид кардед. Хоҳишмандем аз нав шакли дурусташро "
+"ворид созед."
+
+msgid "Old password"
+msgstr "Рамзи кӯҳна"
+
+msgid "Password (again)"
+msgstr "Рамз (такроран)"
+
+msgid "algorithm"
+msgstr "алгоритм"
+
+msgid "iterations"
+msgstr "итератсияҳо"
+
+msgid "salt"
+msgstr "намак"
+
+msgid "hash"
+msgstr "ҳэш"
+
+msgid "variety"
+msgstr "маҷмӯа"
+
+msgid "version"
+msgstr "версия"
+
+msgid "memory cost"
+msgstr "истифодаи ҳофиза"
+
+msgid "time cost"
+msgstr "истифодаи вақт"
+
+msgid "parallelism"
+msgstr "параллелизм"
+
+msgid "work factor"
+msgstr "омили корӣ"
+
+msgid "checksum"
+msgstr "натиҷаи санҷиш"
+
+msgid "name"
+msgstr "ном"
+
+msgid "content type"
+msgstr "намуди контент"
+
+msgid "codename"
+msgstr "номи рамзӣ"
+
+msgid "permission"
+msgstr "салоҳият"
+
+msgid "permissions"
+msgstr "салоҳият"
+
+msgid "group"
+msgstr "гурӯҳ"
+
+msgid "groups"
+msgstr "гурӯҳҳо"
+
+msgid "superuser status"
+msgstr "статуси истифодабарӣ аввалиндараҷа(superuser)"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Нишон медиҳад, ки истифодабаранда дорои ҳама гуна салоҳиятҳост."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Гуруҳҳое, ки истифодабарандаи мазкур ба онҳо шомил аст.Истифодабаранда ҳамаи "
+"салоҳиятҳои дар гуруҳҳо мавҷудбударо дорост"
+
+msgid "user permissions"
+msgstr "ҳуқуқҳои истифодабаранда"
+
+msgid "Specific permissions for this user."
+msgstr "салоҳиятҳои шахсии истифодабаранда"
+
+msgid "username"
+msgstr "номи истифодабаранда"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Майдони пуркаданаш зарурӣ. На беш аз 150 аломат. Танҳо аз ҳарфҳо, рақамҳо ва "
+"аломатҳо @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Чунин номи истифодабаранда алакай вуҷуд дорад."
+
+msgid "first name"
+msgstr "ном"
+
+msgid "last name"
+msgstr "насаб"
+
+msgid "email address"
+msgstr "суроғаи почтаи электронӣ"
+
+msgid "staff status"
+msgstr "статуси шахс"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+"Қайд кунед, агар истифодабаранда ҳуқуқи воридшавӣ ба қисми маъмурии сомонаро "
+"дошта бошад."
+
+msgid "active"
+msgstr "фаъол"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Қайд кунед, агар истифодабаранда фаъол ҳисобида шавад. Қайдро бекор кунед, "
+"дар ҳолати нест сохтани ҳисоби корбарӣ"
+
+msgid "date joined"
+msgstr "санаи бақайдгирӣ"
+
+msgid "user"
+msgstr "истифодабаранда"
+
+msgid "users"
+msgstr "истифодабарандаҳо"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Рамзи воридкардашуда ба %(verbose_name)s монанд аст."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr "Рамзи воридкардашуда хеле серистеъмол аст."
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr "Рамзи воридкардашуда танҳо аз рақамҳо иборат аст."
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Барҳамдиҳии рамз дар сайти мазкур %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Номи истифодабарандаро дуруст ворид созед. Қимати ин майдон бояд танҳоаз "
+"ҳуруфи англисӣ, рақамҳо ва аломатҳо @/./+/-/_ иборат бошад."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Номи истифодабарандаро дуруст ворид созед. Қимати ин майдон бояд танҳоаз "
+"ҳарфҳо, рақамҳо ва аломатҳо  @/./+/-/_ иборат бошад."
+
+msgid "Logged out"
+msgstr "Рухсатшуда(Logged out)"
+
+msgid "Password reset"
+msgstr "Барқарорсозии рамз"
+
+msgid "Password reset sent"
+msgstr "Мактуби дастурамал оиди барқарорсозии рамз равон карда шуд."
+
+msgid "Enter new password"
+msgstr "Рамзи навро ворид созед"
+
+msgid "Password reset unsuccessful"
+msgstr "Мушкилӣ ҳангоми барқарорсозии рамз."
+
+msgid "Password reset complete"
+msgstr "Барқарорсозии рамз ба анҷом расид."
+
+msgid "Password change"
+msgstr "Ивази рамз"
+
+msgid "Password change successful"
+msgstr "рамз муваффақона иваз карда шуд"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5f96948f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/th/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..79da789b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,282 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-11-29 04:33+0000\n"
+"Last-Translator: Kowit Charoenratchatabhan <kowit.s.c@gmail.com>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "ข้อมูลส่วนตัว"
+
+msgid "Permissions"
+msgstr "สิทธิ์"
+
+msgid "Important dates"
+msgstr "วันที่ที่สำคัญ"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr "เปลี่ยนรหัสผ่านสำเร็จแล้ว"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "เปลี่ยนรหัสผ่าน: %s "
+
+msgid "Authentication and Authorization"
+msgstr "การตรวจสอบและอนุมัติ"
+
+msgid "password"
+msgstr "รหัสผ่าน"
+
+msgid "last login"
+msgstr "เข้าสู่ระบบครั้งสุดท้าย"
+
+msgid "No password set."
+msgstr "ไม่ได้ตั้งค่ารหัสผ่าน"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "รูปแบบรหัสผ่านไม่ถูกต้อง หรือไม่รู้จักแฮชอัลกอริทึมนี้"
+
+msgid "The two password fields didn't match."
+msgstr "รหัสผ่านไม่ตรงกัน"
+
+msgid "Password"
+msgstr "รหัสผ่าน"
+
+msgid "Password confirmation"
+msgstr "ยืนยันรหัสผ่าน"
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr "กรุณาใส่  %(username)s  และรหัสผ่านที่ถูกต้อง มีการแยกแยะตัวพิมพ์ใหญ่-เล็ก"
+
+msgid "This account is inactive."
+msgstr "บัญชีนี้ไม่ทำงาน"
+
+msgid "Email"
+msgstr "อีเมล"
+
+msgid "New password"
+msgstr "รหัสผ่านใหม่"
+
+msgid "New password confirmation"
+msgstr "ยืนยันการตั้งรหัสผ่านใหม่"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "ใส่รหัสผ่านเก่าผิด กรุณาใส่รหัสผ่านอีกครั้ง"
+
+msgid "Old password"
+msgstr "รหัสผ่านเก่า"
+
+msgid "Password (again)"
+msgstr "รหัสผ่าน (อีกครั้ง)"
+
+msgid "algorithm"
+msgstr "algorithm"
+
+msgid "iterations"
+msgstr "iterations"
+
+msgid "salt"
+msgstr "salt"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr "ปัจจัยการทำงาน"
+
+msgid "checksum"
+msgstr "checksum"
+
+msgid "name"
+msgstr "ชื่อ"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr "รหัสชื่อ"
+
+msgid "permission"
+msgstr "สิทธิ์"
+
+msgid "permissions"
+msgstr "สิทธิ์"
+
+msgid "group"
+msgstr "กลุ่ม"
+
+msgid "groups"
+msgstr "กลุ่ม"
+
+msgid "superuser status"
+msgstr "สถานะผู้ใช้พิเศษ"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "กำหนดสิทธิ์ทุกอย่างให้ผู้ใช้ โดยไม่ต้องการมอบหมายอย่างเป็นทางการ"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr "สิทธิ์ของผู้ใช้"
+
+msgid "Specific permissions for this user."
+msgstr "สิทธิ์ที่เฉพาะเจาะจงสำหรับผู้ใช้นี้"
+
+msgid "username"
+msgstr "ชื่อผู้ใช้"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr "ชื่อผู้ใช้นั้นได้ถูกใช้ไปแล้ว"
+
+msgid "first name"
+msgstr "ชื่อ"
+
+msgid "last name"
+msgstr "นามสกุล"
+
+msgid "email address"
+msgstr "ที่อยู่อีเมล"
+
+msgid "staff status"
+msgstr "สถานะของพนักงาน"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "กำหนดผู้ที่จะเข้ามาใช้งานในส่วนของผู้ดูแลระบบ"
+
+msgid "active"
+msgstr "ใช้งานได้"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr "กำหนดให้ผู้ใช้มีสถานะที่สามารถเข้ามาใช้งานได้ เลือกออกแทนที่จะลบชื่อผู้ใช้ทิ้งไป "
+
+msgid "date joined"
+msgstr "วันที่เข้าร่วม"
+
+msgid "user"
+msgstr "ผู้ใช้"
+
+msgid "users"
+msgstr "ผู้ใช้"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "รีเซ็ตรหัสผ่านบน %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr "ออกจากระบบ"
+
+msgid "Password reset"
+msgstr "รีเซ็ตรหัสผ่าน"
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr "ป้อนรหัสผ่านใหม่"
+
+msgid "Password reset unsuccessful"
+msgstr "ตั้งรหัสผ่านใหม่ไม่สำเร็จ"
+
+msgid "Password reset complete"
+msgstr "รีเซ็ตรหัสผ่านเสร็จสมบูรณ์"
+
+msgid "Password change"
+msgstr "เปลี่ยนรหัสผ่าน"
+
+msgid "Password change successful"
+msgstr "เปลี่ยนรหัสผ่านสำเร็จ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a1e0ec3f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f4a7bbbd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,307 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Resul <resulsaparov@gmail.com>, 2020
+# Resul <resulsaparov@gmail.com>, 2022-2023
+# Welbeck Garli <welbeckgrlyw@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Resul <resulsaparov@gmail.com>, 2022-2023\n"
+"Language-Team: Turkmen (http://app.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "Şahsy maglumat"
+
+msgid "Permissions"
+msgstr "Rugsatlar"
+
+msgid "Important dates"
+msgstr "Möhüm seneler"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "Esasy açary %(key)r bolan %(name)s obýekt ýok."
+
+msgid "Password changed successfully."
+msgstr "Parol üstünlikli üýtgedildi."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Paroly üýtgetmek: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Şahsyýet tanamak we Ygtyýarnama"
+
+msgid "password"
+msgstr "parol"
+
+msgid "last login"
+msgstr "soňky giriş"
+
+msgid "No password set."
+msgstr "Parol goýulmady."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Nädogry parol formaty ýa-da näbelli hashing algoritmi."
+
+msgid "The two password fields didn’t match."
+msgstr "Iki parol meýdançasy gabat gelmedi."
+
+msgid "Password"
+msgstr "Parol"
+
+msgid "Password confirmation"
+msgstr "Parol tassyklamasy"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Barlamak üçin öňküsi ýaly paroly giriziň."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Çig parollar saklanmaýar, şonuň üçin bu ulanyjynyň parolyny görmegiň "
+"mümkinçiligi ýok, ýöne <a href=\"{}\">şu formany</a> ulanyp üýtgedip "
+"bilersiňiz."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Haýyş, dogry %(username)s we paroly giriziň. Iki meýdançanyň hem baş-setir "
+"harpa duýgur bolup biljekdigine üns beriň."
+
+msgid "This account is inactive."
+msgstr "Bu hasap hereketsiz."
+
+msgid "Email"
+msgstr "E-mail"
+
+msgid "New password"
+msgstr "Täze parol"
+
+msgid "New password confirmation"
+msgstr "Täze parol tassyklamasy"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Köne parolyňyz nädogry girizildi. Gaýtadan girizmegiňizi haýyş edýäris."
+
+msgid "Old password"
+msgstr "Köne parol"
+
+msgid "Password (again)"
+msgstr "Parol (gaýtadan)"
+
+msgid "algorithm"
+msgstr "algoritm"
+
+msgid "iterations"
+msgstr "gaýtalama"
+
+msgid "salt"
+msgstr "duz"
+
+msgid "hash"
+msgstr "hash"
+
+msgid "variety"
+msgstr "dürlülik"
+
+msgid "version"
+msgstr "wersiýa"
+
+msgid "memory cost"
+msgstr "ýadyň bahasy"
+
+msgid "time cost"
+msgstr "wagt bahasy"
+
+msgid "parallelism"
+msgstr "parallellik"
+
+msgid "work factor"
+msgstr "iş faktory"
+
+msgid "checksum"
+msgstr "çek"
+
+msgid "block size"
+msgstr "blok ölçegi"
+
+msgid "name"
+msgstr "at"
+
+msgid "content type"
+msgstr "mazmunyň görnüşi"
+
+msgid "codename"
+msgstr "kod ady"
+
+msgid "permission"
+msgstr "rugsat"
+
+msgid "permissions"
+msgstr "rugsatlar"
+
+msgid "group"
+msgstr "topar"
+
+msgid "groups"
+msgstr "toparlar"
+
+msgid "superuser status"
+msgstr "superuser ýagdaýy"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Bu ulanyjynyň aç-açan bellemezden ähli rugsatlarynyň bardygyny belleýär."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Bu ulanyjynyň degişli toparlary. Ulanyjy her bir topara berlen ähli "
+"rugsatlary alar."
+
+msgid "user permissions"
+msgstr "ulanyjy rugsatlary"
+
+msgid "Specific permissions for this user."
+msgstr "Bu ulanyjy üçin ýörite rugsatlar."
+
+msgid "username"
+msgstr "ulanyjy ady"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Gerekli. 150 harp ýa-da azyrak. Diňe harplar, sanlar we @/./+/-/_ mümkin."
+
+msgid "A user with that username already exists."
+msgstr "Bu ulanyjy adyny ulanýan ulanyjy eýýäm bar."
+
+msgid "first name"
+msgstr "at"
+
+msgid "last name"
+msgstr "familiýa"
+
+msgid "email address"
+msgstr "email salgy"
+
+msgid "staff status"
+msgstr "işgärleriň ýagdaýy"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Ulanyjynyň bu administrator sahypasyna girip biljekdigini kesgitleýär."
+
+msgid "active"
+msgstr "işjeň"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Bu ulanyja işjeň garalmalydygyny ýa-da ýokdugyny kesgitleýär. Hasaplary "
+"pozmagyň ýerine şuny saýlaň."
+
+msgid "date joined"
+msgstr "goşulan senesi"
+
+msgid "user"
+msgstr "ulanyjy"
+
+msgid "users"
+msgstr "ulanyjylar"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Bu parol gaty gysga. Iň azyndan %(min_length)d nyşandan ybarat bolmaly."
+msgstr[1] ""
+"Bu parol gaty gysga. Iň azyndan %(min_length)d nyşandan ybarat bolmaly."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Parolyňyzda azyndan %(min_length)d nyşan bolmaly."
+msgstr[1] "Parolyňyzda azyndan %(min_length)d nyşan bolmaly."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Parol %(verbose_name)s-e gaty meňzeýär."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Parolyňyz beýleki şahsy maglumatlaryňyza gaty meňzeş bolmaly däl."
+
+msgid "This password is too common."
+msgstr "Bu parol gaty ýygy ulanylýar."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Parolyňyz köplenç ulanylýan parol bolmaly däl."
+
+msgid "This password is entirely numeric."
+msgstr "Bu parol diňe sanlardan ybarat."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Parolyňyz diňe sanlardan ybarat bolup bilmez."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s-de paroly täzeden düzüldi"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Dogry ulanyjy adyny giriziň. Bu bahada diňe aksentsiz kiçi a-z harplary we "
+"uly A-Z harplary, sanlar we @/./+/-/_ nyşanlary bolup biler."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Dogry ulanyjy adyny giriziň. Bu bahada diňe harplar, sanlar we @/./+/-/_ "
+"nyşanlary bolup biler."
+
+msgid "Logged out"
+msgstr "Çykyldy"
+
+msgid "Password reset"
+msgstr "Paroly täzeden düzmek"
+
+msgid "Password reset sent"
+msgstr "Paroly täzeden düzmek boýunça görkezmeler iberildi"
+
+msgid "Enter new password"
+msgstr "Täze parol giriziň"
+
+msgid "Password reset unsuccessful"
+msgstr "Paroly täzeden düzüp bolmady"
+
+msgid "Password reset complete"
+msgstr "Paroly täzeden düzüldi"
+
+msgid "Password change"
+msgstr "Parol üýtgetmek"
+
+msgid "Password change successful"
+msgstr "Parol üýtgetmek üstünlikli tamamlandy"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..09b4e472
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..734662d1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,313 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ahmet Emre Aladağ <emre.aladag@isik.edu.tr>, 2013
+# BouRock, 2015-2017,2019-2021,2023
+# BouRock, 2014-2015
+# Caner Başaran <basaran.caner@gmail.com>, 2013
+# Cihad GÜNDOĞDU <cihadgundogdu@gmail.com>, 2014
+# Gökmen Görgen <gokmen@alageek.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Metin Amiroff <amiroff@gmail.com>, 2012
+# Murat Çorlu <muratcorlu@me.com>, 2012
+# U. Ozan Basar <software@nano.net.tr>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: BouRock, 2015-2017,2019-2021,2023\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Personal info"
+msgstr "Kişisel bilgiler"
+
+msgid "Permissions"
+msgstr "İzinler"
+
+msgid "Important dates"
+msgstr "Önemli tarihler"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(key)r birincil anahtarı olan %(name)s nesnesi mevcut değil."
+
+msgid "Password changed successfully."
+msgstr "Parola başarılı olarak değiştirildi."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Parolayı değiştir: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Kimlik Doğrulama ve Yetkilendirme"
+
+msgid "password"
+msgstr "parola"
+
+msgid "last login"
+msgstr "son oturum açma"
+
+msgid "No password set."
+msgstr "Ayarlı parola yok."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Geçersiz parola biçimi veya bilinmeyen adresleme algoritması."
+
+msgid "The two password fields didn’t match."
+msgstr "İki parola alanı eşleşmedi."
+
+msgid "Password"
+msgstr "Parola"
+
+msgid "Password confirmation"
+msgstr "Parola onayı"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Doğrulama için önceki gibi aynı parolayı girin."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Ham parolalar saklanmaz, bu yüzden bu kullanıcının parolasını görmenin yolu "
+"yoktur, fakat <a href=\"{}\">bu formu</a> kullanarak parolayı "
+"değiştirebilirsiniz."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Lütfen doğru %(username)s ve parola girin. Her iki alanın da büyük/küçük "
+"harfe duyarlı olabileceğini unutmayın."
+
+msgid "This account is inactive."
+msgstr "Bu hesap devre dışı."
+
+msgid "Email"
+msgstr "E-posta"
+
+msgid "New password"
+msgstr "Yeni parola"
+
+msgid "New password confirmation"
+msgstr "Yeni parola onayı"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Eski parolanız yanlış girildi. Lütfen tekrar girin."
+
+msgid "Old password"
+msgstr "Eski parola"
+
+msgid "Password (again)"
+msgstr "Parola (tekrar)"
+
+msgid "algorithm"
+msgstr "algoritma"
+
+msgid "iterations"
+msgstr "yinelemeler"
+
+msgid "salt"
+msgstr "tuz"
+
+msgid "hash"
+msgstr "adresleme"
+
+msgid "variety"
+msgstr "çeşitlilik"
+
+msgid "version"
+msgstr "sürüm"
+
+msgid "memory cost"
+msgstr "bellek maliyeti"
+
+msgid "time cost"
+msgstr "zaman maliyeti"
+
+msgid "parallelism"
+msgstr "paralellik"
+
+msgid "work factor"
+msgstr "iş faktörü"
+
+msgid "checksum"
+msgstr "sağlama"
+
+msgid "block size"
+msgstr "blok boyutu"
+
+msgid "name"
+msgstr "adı"
+
+msgid "content type"
+msgstr "içerik türü"
+
+msgid "codename"
+msgstr "kod adı"
+
+msgid "permission"
+msgstr "izin"
+
+msgid "permissions"
+msgstr "izinler"
+
+msgid "group"
+msgstr "grup"
+
+msgid "groups"
+msgstr "gruplar"
+
+msgid "superuser status"
+msgstr "süper kullanıcı durumu"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Bu kullanıcıya ayrı ayrı izin atamadan tüm izinlerin verilip verilmeyeceğini "
+"belirler."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Bu kullanıcının ait olduğu gruplar. Bir kullanıcı kendi gruplarının her "
+"birine verilmiş olan tüm izinleri alacak."
+
+msgid "user permissions"
+msgstr "kullanıcı izinleri"
+
+msgid "Specific permissions for this user."
+msgstr "Bu kullanıcı için belirli izinler."
+
+msgid "username"
+msgstr "kullanıcı adı"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Zorunlu. 150 karakter ya da daha az olmalı. Sadece harfler, rakamlar ve @/./"
+"+/-/_ karakterleri kullanılabilir."
+
+msgid "A user with that username already exists."
+msgstr "Bu kullanıcı adında bir kullanıcı zaten mevcut."
+
+msgid "first name"
+msgstr "adı"
+
+msgid "last name"
+msgstr "soyadı"
+
+msgid "email address"
+msgstr "e-posta adresi"
+
+msgid "staff status"
+msgstr "görev durumu"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Kullanıcının bu yönetici sitesine oturum açıp açamayacağını belirler."
+
+msgid "active"
+msgstr "etkin"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Bu kullanıcının etkin olarak işlem görüp görmediğini belirler. Hesapları "
+"silmek yerine bunun işaretini kaldırın."
+
+msgid "date joined"
+msgstr "katılma tarihi"
+
+msgid "user"
+msgstr "kullanıcı"
+
+msgid "users"
+msgstr "kullanıcılar"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "Bu parola çok kısa. En az %(min_length)d karakter içermek zorunda."
+msgstr[1] "Bu parola çok kısa. En az %(min_length)d karakter içermek zorunda."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Parolanız en az %(min_length)d karakter içermek zorunda."
+msgstr[1] "Parolanız en az %(min_length)d karakter içermek zorundadır."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Parolanız %(verbose_name)s ile çok benzerdir."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Parolanız diğer kişisel bilgileriniz ile çok benzer olamaz."
+
+msgid "This password is too common."
+msgstr "Bu parola çok geneldir."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Parolanız yaygın olarak kullanılan bir parola olamaz."
+
+msgid "This password is entirely numeric."
+msgstr "Bu parola tamamıyla sayısaldır."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Parolanız tamamıyla sayısal olamaz."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s sitesinde parola sıfırlama"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Geçerli bir kullanıcı adı girin. Bu değer sadece aksansız küçük a-z ve büyük "
+"A-Z harfleri, sayıları, ve @/./+/-/_ karakterlerini içerebilir."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Geçerli bir kullanıcı adı girin. Bu değer sadece harfleri, sayıları, ve @/./"
+"+/-/_ karakterlerini içerebilir."
+
+msgid "Logged out"
+msgstr "Oturum kapatıldı"
+
+msgid "Password reset"
+msgstr "Parolayı sıfırla"
+
+msgid "Password reset sent"
+msgstr "Parola sıfırlama gönderildi"
+
+msgid "Enter new password"
+msgstr "Yeni parolayı girin"
+
+msgid "Password reset unsuccessful"
+msgstr "Parola sıfırlama başarısız"
+
+msgid "Password reset complete"
+msgstr "Parola sıfırlama tamamlandı"
+
+msgid "Password change"
+msgstr "Parola değiştirme"
+
+msgid "Password change successful"
+msgstr "Parola değiştirme başarılı"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c2d43fd5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..189846a6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,281 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# v_ildar <v_ildar@bk.ru>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr ""
+
+msgid "Permissions"
+msgstr ""
+
+msgid "Important dates"
+msgstr ""
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr "серсүз"
+
+msgid "last login"
+msgstr ""
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr "Серсүз"
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr "Эл. почта"
+
+msgid "New password"
+msgstr "Яңа серсүз"
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr "Иске серсүз"
+
+msgid "Password (again)"
+msgstr "Серсүз (тагын бер тапкыр)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr "исем"
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr ""
+
+msgid "groups"
+msgstr ""
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr "кулланучы исеме"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr "эл. почта адресы"
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr "кулланучы"
+
+msgid "users"
+msgstr "кулланучылар"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr "Серсүзне торгызу"
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr "Яңа серсүзне кертегез"
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr "Серсүзне үзгәртү"
+
+msgid "Password change successful"
+msgstr "Серсүз уңышлы рәвештә үзгәртелгән"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..040fd655
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/udm/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c5605af6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,226 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 10:30+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr ""
+
+msgid "Permissions"
+msgstr ""
+
+msgid "Important dates"
+msgstr ""
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr ""
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as above, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"password/\">this "
+"form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr ""
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr ""
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr ""
+
+msgid "groups"
+msgstr ""
+
+msgid "password"
+msgstr ""
+
+msgid "last login"
+msgstr ""
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers and @/./"
+"+/-/_ characters."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr ""
+
+msgid "users"
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2228f92e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ef15de3f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,312 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+# Azat, 2023
+# Murat Orhun <oku.orhun@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Azat, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr "شەخسىي ئۇچۇر"
+
+msgid "Permissions"
+msgstr "ئىمتىيازلار"
+
+msgid "Important dates"
+msgstr "مۇھىم چېسلا"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(key)r ئاساسىي ئاچقۇچى بار %(name)s ئوبيېكت مەۋجۇت ئەمەس."
+
+msgid "Password changed successfully."
+msgstr "پارول مۇۋەپپەقىيەتلىك ئۆزگەرتىلدى."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "پارول ئۆزگەرتىش: %s"
+
+msgid "Authentication and Authorization"
+msgstr "دەلىللەش ۋە ھوقۇق بېرىش"
+
+msgid "password"
+msgstr "پارول"
+
+msgid "last login"
+msgstr "ئاخىرقى كىرگەن ۋاقتى"
+
+msgid "No password set."
+msgstr "پارول تەڭشەلمىگەن."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+"ئىناۋەتسىز پارول پىچىمى ياكى يوچۇن مۇكەممەللىكىنى تەكشۈرۈش ھېسابلاش ئۇسۇلى."
+
+msgid "The two password fields didn’t match."
+msgstr "ئىككى پارول بۆلىكى ماس كەلمىدى."
+
+msgid "Password"
+msgstr "پارول"
+
+msgid "Password confirmation"
+msgstr "پارول جەزملەش"
+
+msgid "Enter the same password as before, for verification."
+msgstr "دەلىللەش ئۈچۈن، ئىلگىرىكى ئوخشاش ئىمنى قايتا كىرگۈزۈڭ."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"ئەسلى پارول سىستېمىغا ساقلانمايدۇ، شۇڭلاشقا بۇ ئىشلەتكۈچى ئىشلەتكەن پارولىنى "
+"كۆرگىلى بولمايدۇ، ئەمما <a href=\"{}\">بۇ جەدۋەل</a> نى ئىشلىتىپ پارولنى "
+"ئۆزگەرتەلەيسىز."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Please enter a correct %(username)s and password. دىققەت ھەر ئىككى بۆلەك چوڭ "
+"كىچىك يېزىلىشنى پەرقلەندۈرۈشى مۇمكىن."
+
+msgid "This account is inactive."
+msgstr "بۇ ھېسابات ئاكتىپلانمىغان."
+
+msgid "Email"
+msgstr "ئېلخەت"
+
+msgid "New password"
+msgstr "يېڭى پارول"
+
+msgid "New password confirmation"
+msgstr "يېڭى پارول جەزملەش"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "كونا پارولنى توغرا كىرگۈزمىدىڭىز. قايتا كىرگۈزۈڭ."
+
+msgid "Old password"
+msgstr "كونا پارول"
+
+msgid "Password (again)"
+msgstr "پارول (قايتا)"
+
+msgid "algorithm"
+msgstr "ئالگورىزىم"
+
+msgid "iterations"
+msgstr "تەكرارلاش"
+
+msgid "salt"
+msgstr "تۇز"
+
+msgid "hash"
+msgstr "خەش"
+
+msgid "variety"
+msgstr "كۆپ خىللىقى"
+
+msgid "version"
+msgstr "نەشرى"
+
+msgid "memory cost"
+msgstr "ئەسلەك سەرپىياتى"
+
+msgid "time cost"
+msgstr "ۋاقىت سەرپىياتى"
+
+msgid "parallelism"
+msgstr "ئوخشاشلىق"
+
+msgid "work factor"
+msgstr "شىفىرلاش ئامىلى"
+
+msgid "checksum"
+msgstr "تەكشۈرۈش يىغىندىسى"
+
+msgid "block size"
+msgstr "بۆلەك چوڭلۇقى"
+
+msgid "name"
+msgstr "ئىسمى"
+
+msgid "content type"
+msgstr "مەزمۇن تىپى"
+
+msgid "codename"
+msgstr "كود ئىسمى"
+
+msgid "permission"
+msgstr "ھوقۇق"
+
+msgid "permissions"
+msgstr "ھوقۇق"
+
+msgid "group"
+msgstr "گۇرۇپپا"
+
+msgid "groups"
+msgstr "گۇرۇپپىلار"
+
+msgid "superuser status"
+msgstr "ئالاھىدە ئىشلەتكۈچى ھالىتى"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"بۇ ئىشلەتكۈچىنىڭ كۆڭۈلدىكى ئەھۋالدا ئېنىق تەقسىملەنمىگەنلىرىدىن باشقا ئىگە "
+"بولىدىغان ھوقۇقلىرىنى بەلگىلەيدۇ."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"بۇ ئىشلەتكۈچى گۇرۇپپىغا تەۋە. ئۇ ئىشلەتكۈچى شۇ گۇرۇپپا ئىگە بولغان "
+"ھوقۇقلارنىڭ ھەممىسىگە ئېرىشىدۇ."
+
+msgid "user permissions"
+msgstr "ئىشلەتكۈچى ھوقۇقلىرى"
+
+msgid "Specific permissions for this user."
+msgstr "بۇ ئىشلەتكۈچىگە بېرىلگەن مۇئەييەن ھوقۇقلار."
+
+msgid "username"
+msgstr "ئىشلەتكۈچى ئاتى"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"زۆرۈر: 150 ھەرپ ياكى ئاز. ھەرپ، سان ۋە «@»، «.»، «-»، «_» لارنىلا ئۆز ئىچىگە "
+"ئالىدۇ."
+
+msgid "A user with that username already exists."
+msgstr "بۇ ئىسىمدىكى ئىشلەتكۈچى مەۋجۇت."
+
+msgid "first name"
+msgstr "ئاتى"
+
+msgid "last name"
+msgstr "تەگئات"
+
+msgid "email address"
+msgstr "ئېلخەت ئادرېسى"
+
+msgid "staff status"
+msgstr "خىزمەت ھالىتى"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "بۇ ئىشلەتكۈچىنىڭ مەزكۇر باشقۇرۇش بېكىتىگە كىرەلىشىنى بەلگىلەيدۇ."
+
+msgid "active"
+msgstr "ئاكتىپ"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"ئىشلەتكۈچىنىڭ ئاكتىپلىقىنى بەلگىلەيدۇ، بۇ تاللانمىسا ھېسابات ئۆچۈرۈلىدۇ."
+
+msgid "date joined"
+msgstr "كىرگەن چېسلا"
+
+msgid "user"
+msgstr "ئىشلەتكۈچى"
+
+msgid "users"
+msgstr "ئىشلەتكۈچىلەر"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"پارول بەك قىسقا. ئۇ ئاز دېگەندە %(min_length)d ھەرپنى ئۆز ئىچىگە ئالىدۇ."
+msgstr[1] ""
+"پارول بەك قىسقا. ئۇ ئاز دېگەندە %(min_length)d ھەرپنى ئۆز ئىچىگە ئالىدۇ."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+"سىز بەلگىلىگەن پارول ئاز دېگەندە %(min_length)d ھەرپنى ئۆز ئىچىگە ئېلىشى "
+"كېرەك."
+msgstr[1] ""
+"سىز بەلگىلىگەن پارول ئاز دېگەندە %(min_length)d ھەرپنى ئۆز ئىچىگە ئېلىشى "
+"كېرەك."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "پارول %(verbose_name)s غا بەك ئوخشايدۇ."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "سىز ئىشلەتكەن پارول باشقا ئۇچۇرلىرىڭىزغا بەك ئوخشاپ كەتسە بولمايدۇ."
+
+msgid "This password is too common."
+msgstr "بۇ پارول بەك كۆپ ئۇچرايدۇ."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "سىز ئىشلەتكەن پارول كۆپ ئۇچرايدىغان ئىم بولسا بولمايدۇ."
+
+msgid "This password is entirely numeric."
+msgstr "بۇ پارول پەقەت سانلا بار."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "سىز ئىشلەتكەن پارول ساندىنلا تەركىپ تاپسا بولمايدۇ."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "%(site_name)s ئىشلەتكەن پارول ئەسلىگە قايتۇرۇلىدۇ"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"ئىناۋەتلىك ئىشلەتكۈچى ئاتىنى كىرگۈزۈڭ. This value may contain only "
+"unaccented lowercase a-z and uppercase A-Z letters, numbers, and @/./+/-/_ "
+"characters."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"ئىناۋەتلىك ئىشلەتكۈچى ئاتىنى كىرگۈزۈڭ. This value may contain only letters, "
+"numbers, and @/./+/-/_ characters."
+
+msgid "Logged out"
+msgstr "تىزىمدىن چىقىڭ"
+
+msgid "Password reset"
+msgstr "پارولنى ئەسلىگە قايتۇرۇش"
+
+msgid "Password reset sent"
+msgstr "پارولنى ئەسلىگە قايتۇرۇش يوللاندى"
+
+msgid "Enter new password"
+msgstr "يېڭى پارول كىرگۈزۈڭ"
+
+msgid "Password reset unsuccessful"
+msgstr "پارولنى ئەسلىگە قايتۇرۇش مەغلۇپ بولدى"
+
+msgid "Password reset complete"
+msgstr "پارولنى ئەسلىگە قايتۇرۇش تامام"
+
+msgid "Password change"
+msgstr "پارولنى ئۆزگەرتىش"
+
+msgid "Password change successful"
+msgstr "پارول مۇۋەپپەقىيەتلىك ئۆزگەردى"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..91412229
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2192b732
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,323 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# captain_m4l <qotsaman@gmail.com>, 2012
+# Igor Melnyk, 2014-2015
+# Illia Volochii <illia.volochii@gmail.com>, 2021,2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kirill Gagarski <gagarin.gtn@gmail.com>, 2015
+# Max V. Stotsky <transifex@ms.pereslavl.ru>, 2014
+# captain_m4l <qotsaman@gmail.com>, 2012
+# Mykola Zamkovoi <nickzam@gmail.com>, 2014,2021
+# Alex Bolotov <oleksandr.bolotov@gmail.com>, 2013
+# Vitaliy Kozlovskyi <ubombi@gmail.com>, 2015
+# Zoriana Zaiats, 2016-2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-04-25 08:09+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>, 2021,2023\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Personal info"
+msgstr "Особиста інформація"
+
+msgid "Permissions"
+msgstr "Дозволи"
+
+msgid "Important dates"
+msgstr "Важливі дати"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(name)s об'єкт з первинним ключем %(key)r не існує."
+
+msgid "Password changed successfully."
+msgstr "Пароль успішно змінено."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Змінити пароль: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Аутентифікація та авторизація"
+
+msgid "password"
+msgstr "пароль"
+
+msgid "last login"
+msgstr "останній вхід"
+
+msgid "No password set."
+msgstr "Пароль не встановлено."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Невірний формат пароля або невідомий алгоритм хешування."
+
+msgid "The two password fields didn’t match."
+msgstr "Паролі не збігаються"
+
+msgid "Password"
+msgstr "Пароль"
+
+msgid "Password confirmation"
+msgstr "Підтвердження пароля"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Введіть той же пароль, що і раніше, для підтвердження."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Паролі не зберігаються у відкритому вигляді, тому немає можливості "
+"переглянути пароль цього користувача, але ви можете змінити пароль за "
+"допомогою <a href=\"{}\">цієї форми</a>."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Будь ласка, введіть правильні %(username)s та пароль. Зауважте, що обидва "
+"поля чутливі до регістру."
+
+msgid "This account is inactive."
+msgstr "Цей запис користувача не активний."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Новий пароль"
+
+msgid "New password confirmation"
+msgstr "Новий пароль (підтвердження)"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Старий пароль було введено неправильно. Будь ласка, введіть його знову."
+
+msgid "Old password"
+msgstr "Старий пароль"
+
+msgid "Password (again)"
+msgstr "Пароль (ще раз)"
+
+msgid "algorithm"
+msgstr "алгоритм"
+
+msgid "iterations"
+msgstr "ітерації"
+
+msgid "salt"
+msgstr "сіль"
+
+msgid "hash"
+msgstr "хеш"
+
+msgid "variety"
+msgstr "різноманітність"
+
+msgid "version"
+msgstr "версія"
+
+msgid "memory cost"
+msgstr "витрати пам’яті"
+
+msgid "time cost"
+msgstr "витрати часу"
+
+msgid "parallelism"
+msgstr "паралелізм"
+
+msgid "work factor"
+msgstr "робочий фактор"
+
+msgid "checksum"
+msgstr "контрольна сума"
+
+msgid "block size"
+msgstr "розмір блоку"
+
+msgid "name"
+msgstr "ім'я"
+
+msgid "content type"
+msgstr "тип вмісту"
+
+msgid "codename"
+msgstr "код"
+
+msgid "permission"
+msgstr "дозвіл"
+
+msgid "permissions"
+msgstr "дозволи"
+
+msgid "group"
+msgstr "група"
+
+msgid "groups"
+msgstr "групи"
+
+msgid "superuser status"
+msgstr "статус суперкористувача"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "Визначає, що цей користувач має всі дозволи без їх точного зазначення."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Групи, до яких належить користувач. Користувач отримає всі дозволи, що "
+"вказані в кожній з його груп."
+
+msgid "user permissions"
+msgstr "дозволи користувача"
+
+msgid "Specific permissions for this user."
+msgstr "Особливі права доступу для цього користувача."
+
+msgid "username"
+msgstr "ім'я користувача"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"Необхідно: 150 або менше символів. тільки букви, цифри та  знаки @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Користувач з таким ім'ям вже існує."
+
+msgid "first name"
+msgstr "ім'я"
+
+msgid "last name"
+msgstr "прізвище"
+
+msgid "email address"
+msgstr "email адреса"
+
+msgid "staff status"
+msgstr "статус персоналу"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Визначає, чи може користувач увійти до цього сайту адміністрування."
+
+msgid "active"
+msgstr "активний"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Визначає, чи можна цього користувача вважати діючим. Заберіть галочку, "
+"замість видалення запису користувача."
+
+msgid "date joined"
+msgstr "дата приєднання"
+
+msgid "user"
+msgstr "користувач"
+
+msgid "users"
+msgstr "користувачі"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+"Пароль надто короткий. Він повинен містити як мінімум %(min_length)d символ"
+msgstr[1] ""
+"Пароль надто короткий. Він повинен містити як мінімум %(min_length)d символи"
+msgstr[2] ""
+"Пароль надто короткий. Він повинен містити як мінімум %(min_length)d символів"
+msgstr[3] ""
+"Пароль надто короткий. Він повинен містити як мінімум %(min_length)d символів"
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Ваш пароль повинен містити як мінімум %(min_length)d символ"
+msgstr[1] "Ваш пароль повинен містити як мінімум %(min_length)d символи"
+msgstr[2] "Ваш пароль повинен містити як мінімум %(min_length)d символів"
+msgstr[3] "Ваш пароль повинен містити як мінімум %(min_length)d символів"
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Пароль надто схожий на %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Пароль не може бути надто схожим на іншу особисту інформацію."
+
+msgid "This password is too common."
+msgstr "Пароль надто відомий."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Пароль не може бути одним із дуже поширених."
+
+msgid "This password is entirely numeric."
+msgstr "Цей пароль повністю складається із цифр."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Пароль не може складається лише із цифр."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Скидання пароля на %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr ""
+"Введіть коректне ім'я користувача. Значення цього поля може складатися лише "
+"з малих літер a‒z і великих A‒Z, цифр, а також з символів @/./+/-/_."
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Введіть коректне ім'я користувача. Значення цього поля може складатися лише "
+"з літер, цифр, а також з символів: @/./+/-/_."
+
+msgid "Logged out"
+msgstr "Вихід"
+
+msgid "Password reset"
+msgstr "Перевстановлення паролю"
+
+msgid "Password reset sent"
+msgstr "Скидання пароля відправлено"
+
+msgid "Enter new password"
+msgstr "Введіть новий пароль"
+
+msgid "Password reset unsuccessful"
+msgstr "Пароль не перевстановлено"
+
+msgid "Password reset complete"
+msgstr "Пароль перевстановлено"
+
+msgid "Password change"
+msgstr "Зміна паролю"
+
+msgid "Password change successful"
+msgstr "Пароль успішно змінено"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cfa37dab
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ur/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..241f7b21
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,282 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-09-24 13:46+0200\n"
+"PO-Revision-Date: 2017-09-24 14:24+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Personal info"
+msgstr ""
+
+msgid "Permissions"
+msgstr ""
+
+msgid "Important dates"
+msgstr ""
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr ""
+
+msgid "Password changed successfully."
+msgstr ""
+
+#, python-format
+msgid "Change password: %s"
+msgstr ""
+
+msgid "Authentication and Authorization"
+msgstr ""
+
+msgid "password"
+msgstr ""
+
+msgid "last login"
+msgstr ""
+
+msgid "No password set."
+msgstr ""
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr ""
+
+msgid "The two password fields didn't match."
+msgstr ""
+
+msgid "Password"
+msgstr "لفظ اجازت"
+
+msgid "Password confirmation"
+msgstr ""
+
+msgid "Enter the same password as before, for verification."
+msgstr ""
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user's "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+
+msgid "This account is inactive."
+msgstr ""
+
+msgid "Email"
+msgstr ""
+
+msgid "New password"
+msgstr "نیا لفظ اجازت"
+
+msgid "New password confirmation"
+msgstr ""
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+
+msgid "Old password"
+msgstr "پرانا لفظ اجازت"
+
+msgid "Password (again)"
+msgstr "لفظ اجازت (دوبارہ)"
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr ""
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr ""
+
+msgid "groups"
+msgstr ""
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr ""
+
+msgid "users"
+msgstr ""
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can't be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can't be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can't be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uz/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uz/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f4048eeb
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uz/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uz/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uz/LC_MESSAGES/django.po
new file mode 100644
index 00000000..24b1b8bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/uz/LC_MESSAGES/django.po
@@ -0,0 +1,287 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bedilbek Khamidov <bedilbek@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-29 16:31+0000\n"
+"Last-Translator: Bedilbek Khamidov <bedilbek@gmail.com>\n"
+"Language-Team: Uzbek (http://www.transifex.com/django/django/language/uz/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uz\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "Shaxsiy ma'lumotlar"
+
+msgid "Permissions"
+msgstr "Ruhsatnomalar"
+
+msgid "Important dates"
+msgstr "Muhim sanalar"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "%(key)r asosiy kalitli %(name)s obyekt mavjud emas"
+
+msgid "Password changed successfully."
+msgstr "Parol muvaffaqiyatli o'zgartirildi."
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Parolni o'zgartirish: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Autentifikatsiya va Avtorizatsiya"
+
+msgid "password"
+msgstr "parol"
+
+msgid "last login"
+msgstr "oxirgi kirish"
+
+msgid "No password set."
+msgstr "Hech qanday parol qo'yilmagan."
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Noto'g'ri parol formati yoki noma'lum heshlash algoritmi ishlatilgan."
+
+msgid "The two password fields didn’t match."
+msgstr "Ikkala parol maydoni bir-biriga mos kelmadi."
+
+msgid "Password"
+msgstr "Parol"
+
+msgid "Password confirmation"
+msgstr "Parolni tasdiqlash"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Tekshirish uchun avvalgi parolni kiriting.."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Xom parollar saqlanmaydi, shuning uchun bu foydanaluvchining parolini "
+"ko'rishni iloji yo'q, lekin siz <a href=\"{}\"> shu formadan </a> foydalanib "
+"parolni o'zgartirishingiz mumkin. "
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Iltimos, to'g'ri %(username)s va parolni kiriting. Ahamiyat bering, ikkala "
+"maydonlar ham katta-kichik harfga sezgir bo'lishi mumkin."
+
+msgid "This account is inactive."
+msgstr "Bu akkaunt nofaol"
+
+msgid "Email"
+msgstr "Elektron pochta"
+
+msgid "New password"
+msgstr "Yangi parol"
+
+msgid "New password confirmation"
+msgstr "Yangi parolni tasdiqlash"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr ""
+"Sizning eski parolingiz noto'g'ri kiritilgan edi. Iltimos, qaytadan kiriting."
+
+msgid "Old password"
+msgstr ""
+
+msgid "Password (again)"
+msgstr ""
+
+msgid "algorithm"
+msgstr ""
+
+msgid "iterations"
+msgstr ""
+
+msgid "salt"
+msgstr ""
+
+msgid "hash"
+msgstr ""
+
+msgid "variety"
+msgstr ""
+
+msgid "version"
+msgstr ""
+
+msgid "memory cost"
+msgstr ""
+
+msgid "time cost"
+msgstr ""
+
+msgid "parallelism"
+msgstr ""
+
+msgid "work factor"
+msgstr ""
+
+msgid "checksum"
+msgstr ""
+
+msgid "name"
+msgstr ""
+
+msgid "content type"
+msgstr ""
+
+msgid "codename"
+msgstr ""
+
+msgid "permission"
+msgstr ""
+
+msgid "permissions"
+msgstr ""
+
+msgid "group"
+msgstr ""
+
+msgid "groups"
+msgstr ""
+
+msgid "superuser status"
+msgstr ""
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+
+msgid "user permissions"
+msgstr ""
+
+msgid "Specific permissions for this user."
+msgstr ""
+
+msgid "username"
+msgstr ""
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+
+msgid "A user with that username already exists."
+msgstr ""
+
+msgid "first name"
+msgstr ""
+
+msgid "last name"
+msgstr ""
+
+msgid "email address"
+msgstr ""
+
+msgid "staff status"
+msgstr ""
+
+msgid "Designates whether the user can log into this admin site."
+msgstr ""
+
+msgid "active"
+msgstr ""
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+
+msgid "date joined"
+msgstr ""
+
+msgid "user"
+msgstr ""
+
+msgid "users"
+msgstr ""
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] ""
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] ""
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr ""
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr ""
+
+msgid "This password is too common."
+msgstr ""
+
+msgid "Your password can’t be a commonly used password."
+msgstr ""
+
+msgid "This password is entirely numeric."
+msgstr ""
+
+msgid "Your password can’t be entirely numeric."
+msgstr ""
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+
+msgid "Logged out"
+msgstr ""
+
+msgid "Password reset"
+msgstr ""
+
+msgid "Password reset sent"
+msgstr ""
+
+msgid "Enter new password"
+msgstr ""
+
+msgid "Password reset unsuccessful"
+msgstr ""
+
+msgid "Password reset complete"
+msgstr ""
+
+msgid "Password change"
+msgstr ""
+
+msgid "Password change successful"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..eb319783
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/vi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a6b540a0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,305 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Anh Phan <vietnamesel10n@gmail.com>, 2013
+# Tran <hongdiepkien@gmail.com>, 2011
+# Tran Van <vantxm@yahoo.co.uk>, 2012
+# tinnguyen121221, 2021
+# xgenvn <xgenvn@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-09-21 10:22+0200\n"
+"PO-Revision-Date: 2021-12-23 17:49+0000\n"
+"Last-Translator: tinnguyen121221\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "Thông tin cá nhân"
+
+msgid "Permissions"
+msgstr "Quyền"
+
+msgid "Important dates"
+msgstr "Những ngày quan trọng"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr " Đối tượng %(name)s  với khóa chính %(key)r không tồn tại."
+
+msgid "Password changed successfully."
+msgstr "Mật khẩu thay đổi thành công"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "Thay đổi mật khẩu: %s"
+
+msgid "Authentication and Authorization"
+msgstr "Xác thực và ủy quyền"
+
+msgid "password"
+msgstr "Mật khẩu"
+
+msgid "last login"
+msgstr "Lần cuối đăng nhập"
+
+msgid "No password set."
+msgstr "Chưa đặt mật khẩu"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "Định dạng của mật khẩu không đúng hoặc thuật toán hash chưa rõ ràng."
+
+msgid "The two password fields didn’t match."
+msgstr "Hai trường mật khẩu không giống nhau."
+
+msgid "Password"
+msgstr "Mật khẩu"
+
+msgid "Password confirmation"
+msgstr "Xác nhận mật khẩu"
+
+msgid "Enter the same password as before, for verification."
+msgstr "Nhập lại mật khẩu để xác nhận."
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"Mật khẩu không được lưu trữ, vì vậy không có cách nào để xem mật khẩu của "
+"người dùng, nhưng bạn có thể dùng <a href=\"{}\">biểu mẫu</a> này để thay "
+"đổi."
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr ""
+"Vui lòng điền vào %(username)s và mật khẩu chính xác. Chú ý rằng cả hai "
+"khung thông tin đều phân biệt chữ hoa và chữ thường."
+
+msgid "This account is inactive."
+msgstr "Tài khoản này chưa được kích hoạt."
+
+msgid "Email"
+msgstr "Email"
+
+msgid "New password"
+msgstr "Mật khẩu mới"
+
+msgid "New password confirmation"
+msgstr "Xác nhận mật khẩu mới"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "Mật khẩu cũ không chính xác. Hãy nhập lại lần nữa"
+
+msgid "Old password"
+msgstr "Mật khẩu cũ"
+
+msgid "Password (again)"
+msgstr "Nhập lại mật khẩu"
+
+msgid "algorithm"
+msgstr "thuật toán"
+
+msgid "iterations"
+msgstr "lặp lại"
+
+msgid "salt"
+msgstr "Mã salt"
+
+msgid "hash"
+msgstr "băm"
+
+msgid "variety"
+msgstr "variety"
+
+msgid "version"
+msgstr "version"
+
+msgid "memory cost"
+msgstr "memory cost"
+
+msgid "time cost"
+msgstr "time cost"
+
+msgid "parallelism"
+msgstr "parallelism"
+
+msgid "work factor"
+msgstr "yếu tố công việc"
+
+msgid "checksum"
+msgstr "kiểm tra"
+
+msgid "block size"
+msgstr "block size"
+
+msgid "name"
+msgstr "Tên"
+
+msgid "content type"
+msgstr "kiểu nội dung"
+
+msgid "codename"
+msgstr "tên mã"
+
+msgid "permission"
+msgstr "cho phép"
+
+msgid "permissions"
+msgstr "cho phép"
+
+msgid "group"
+msgstr "Nhóm"
+
+msgid "groups"
+msgstr "Các nhóm"
+
+msgid "superuser status"
+msgstr "trạng thái superuser"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr ""
+"Định rằng người dùng này có tất cả các quyền mà không gán cho họ một cách cụ "
+"thể."
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr ""
+"Các nhóm người dùng này thuộc về. Người dùng sẽ nhận được tất cả các quyền "
+"được cấp cho mỗi nhóm."
+
+msgid "user permissions"
+msgstr "quyền của người sử dụng"
+
+msgid "Specific permissions for this user."
+msgstr "Quyền hạn cụ thể cho người dùng này."
+
+msgid "username"
+msgstr "Tên đăng nhập"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "Yêu cầu. 150 ký tự hoặc ít hơn. Chỉ là chữ cái, chữ số và @/./+/-/_."
+
+msgid "A user with that username already exists."
+msgstr "Tên đăng nhập đã được sử dụng"
+
+msgid "first name"
+msgstr "Tên"
+
+msgid "last name"
+msgstr "Họ"
+
+msgid "email address"
+msgstr "địa chỉ email"
+
+msgid "staff status"
+msgstr "tình trạng nhân viên"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "Chỉ định người dùng nào được phép truy cập vào trang admin."
+
+msgid "active"
+msgstr "Kích hoạt"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr ""
+"Chỉ định xem người dùng này phải được coi là đang hoạt động. Bạn nên bỏ chọn "
+"này thay vì xóa tài khoản."
+
+msgid "date joined"
+msgstr "Ngày tham gia"
+
+msgid "user"
+msgstr "Người dùng"
+
+msgid "users"
+msgstr "người sử dụng"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "Mật khẩu quá ngắn. Nó phải chứa ít nhất %(min_length)d ký tự."
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "Mật khẩu của bạn phải chứa ít nhất %(min_length)d ký tự."
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "Mật khẩu quá giống với %(verbose_name)s."
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "Mật khẩu của bạn không được quá giống với thông tin cá nhân khác."
+
+msgid "This password is too common."
+msgstr "Mật khẩu này quá phổ biến."
+
+msgid "Your password can’t be a commonly used password."
+msgstr "Mật khẩu của bạn không được là mật khẩu được dùng phổ biến."
+
+msgid "This password is entirely numeric."
+msgstr "Mật khẩu này hoàn toàn là số."
+
+msgid "Your password can’t be entirely numeric."
+msgstr "Mật khẩu của bạn không được hoàn toàn bằng số."
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "Đặt lại mật khẩu trên %(site_name)s"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr ""
+"Điền tên đăng nhập hợp lệ. Giá trị này chỉ có thể chứa các chữ cái tiếng "
+"Anh, số, và các ký tự @/./+/-/_"
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"Điền tên đăng nhập hợp lệ. Giá trị này chỉ có thể chứa các chữ cái, số, và "
+"các ký tự @/./+/-/_"
+
+msgid "Logged out"
+msgstr "Đã thoát"
+
+msgid "Password reset"
+msgstr "Đặt lại mật khẩu"
+
+msgid "Password reset sent"
+msgstr "Đã gửi hướng dẫn đặt lại mật khẩu"
+
+msgid "Enter new password"
+msgstr "Nhập mật khẩu mới"
+
+msgid "Password reset unsuccessful"
+msgstr "Đặt lại mật khẩu thành công"
+
+msgid "Password reset complete"
+msgstr "Đặt lại mật khẩu hoàn chỉnh"
+
+msgid "Password change"
+msgstr "Thay đổi mật khẩu"
+
+msgid "Password change successful"
+msgstr "Thay đổi mật khẩu thành công"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d4d2485b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hans/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..000822e8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,305 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bo Li <bo.li@measureofquality.com>, 2020
+# lanbla <lanlinwen@buaa.edu.cn>, 2021
+# David <huangtao0202@gmail.com>, 2019
+# ausaki <www.ljm969087551@qq.com>, 2017
+# jamin M <lxxmbyx@163.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kaiqi Zhu, 2023
+# Kevin Sze <leiarix@gmail.com>, 2012
+# Lele Long <schemacs@gmail.com>, 2011,2015
+# Liping Wang <lynn.config@gmail.com>, 2016-2017
+# mozillazg <opensource.mozillazg@gmail.com>, 2016
+# Lemon Li <leeway1985@gmail.com>, 2012-2013
+# Wentao Han <wentao.han@gmail.com>, 2020
+# hizyn <zhangyanan5552@gmail.com>, 2016
+# ced773123cfad7b4e8b79ca80f736af9, 2011
+# Kevin Sze <leiarix@gmail.com>, 2012
+# 高乐喆 <gaolezhe@outlook.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-03-17 03:19-0500\n"
+"PO-Revision-Date: 2023-12-04 08:09+0000\n"
+"Last-Translator: Kaiqi Zhu, 2023\n"
+"Language-Team: Chinese (China) (http://app.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "个人信息"
+
+msgid "Permissions"
+msgstr "权限"
+
+msgid "Important dates"
+msgstr "重要日期"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "具有主键 %(key)r 的对象 %(name)s 不存在。"
+
+msgid "Password changed successfully."
+msgstr "密码修改成功。"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "修改密码：%s"
+
+msgid "Authentication and Authorization"
+msgstr "认证和授权"
+
+msgid "password"
+msgstr "密码"
+
+msgid "last login"
+msgstr "上次登录"
+
+msgid "No password set."
+msgstr "密码未设置。"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "不可用的密码格式或未知的哈希算法。"
+
+msgid "The two password fields didn’t match."
+msgstr "输入的两个密码不一致。"
+
+msgid "Password"
+msgstr "密码"
+
+msgid "Password confirmation"
+msgstr "密码确认"
+
+msgid "Enter the same password as before, for verification."
+msgstr "为了校验，请输入与上面相同的密码。"
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"密码原文未存储在系统中，因此无法看到该用户的密码。然而你可以通过<a "
+"href=\"{}\">这个表单</a>来修改密码。"
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr "请输入一个正确的%(username)s和密码。注意，两者都区分大小写。"
+
+msgid "This account is inactive."
+msgstr "该帐号未激活。"
+
+msgid "Email"
+msgstr "电子邮件"
+
+msgid "New password"
+msgstr "新密码"
+
+msgid "New password confirmation"
+msgstr "新密码确认"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "你的旧密码不正确。请重新输入。"
+
+msgid "Old password"
+msgstr "旧密码"
+
+msgid "Password (again)"
+msgstr "密码（重复）"
+
+msgid "algorithm"
+msgstr "算法"
+
+msgid "iterations"
+msgstr "迭代次数"
+
+msgid "salt"
+msgstr "盐"
+
+msgid "hash"
+msgstr "哈希"
+
+msgid "variety"
+msgstr "多样性"
+
+msgid "version"
+msgstr "版本"
+
+msgid "memory cost"
+msgstr "内存花销"
+
+msgid "time cost"
+msgstr "时间花销"
+
+msgid "parallelism"
+msgstr "对比"
+
+msgid "work factor"
+msgstr "加密因子"
+
+msgid "checksum"
+msgstr "校验和"
+
+msgid "block size"
+msgstr "块大小"
+
+msgid "name"
+msgstr "名称"
+
+msgid "content type"
+msgstr "内容类型"
+
+msgid "codename"
+msgstr "代码名称"
+
+msgid "permission"
+msgstr "权限"
+
+msgid "permissions"
+msgstr "权限"
+
+msgid "group"
+msgstr "组"
+
+msgid "groups"
+msgstr "组"
+
+msgid "superuser status"
+msgstr "超级用户状态"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "指明该用户缺省拥有所有权限。"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr "该用户归属的组。一个用户将得到其归属的组的所有权限。"
+
+msgid "user permissions"
+msgstr "用户权限"
+
+msgid "Specific permissions for this user."
+msgstr "这个用户的特定权限。"
+
+msgid "username"
+msgstr "用户名"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr ""
+"必填；长度为150个字符或以下；只能包含字母、数字、特殊字符“@”、“.”、“-”和“_”。"
+
+msgid "A user with that username already exists."
+msgstr "已存在一位使用该名字的用户。"
+
+msgid "first name"
+msgstr "名字"
+
+msgid "last name"
+msgstr "姓氏"
+
+msgid "email address"
+msgstr "电子邮件地址"
+
+msgid "staff status"
+msgstr "工作人员状态"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "指明用户是否可以登录到这个管理站点。"
+
+msgid "active"
+msgstr "有效"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr "指明用户是否被认为是活跃的。以反选代替删除帐号。"
+
+msgid "date joined"
+msgstr "加入日期"
+
+msgid "user"
+msgstr "用户"
+
+msgid "users"
+msgstr "用户"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "密码长度太短。密码必须包含至少 %(min_length)d 个字符。"
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "你的密码必须包含至少 %(min_length)d 个字符。"
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "密码跟 %(verbose_name)s 太相似了。"
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "你的密码不能与你的其他个人信息太相似。"
+
+msgid "This password is too common."
+msgstr "这个密码太常见了。"
+
+msgid "Your password can’t be a commonly used password."
+msgstr "你的密码不能是一个常见密码。"
+
+msgid "This password is entirely numeric."
+msgstr "密码只包含数字。"
+
+msgid "Your password can’t be entirely numeric."
+msgstr "你的密码不能全都是数字。"
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "重置 %(site_name)s 的密码"
+
+msgid ""
+"Enter a valid username. This value may contain only unaccented lowercase a-z "
+"and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+msgstr "请输入合法的用户名。只能包含小写和大写字母、数字和@/./+/-/_符号。"
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr ""
+"请输入合法的用户名。只能包含英文字母、数字、特殊字符“@”、“.”、“-”和“_”。"
+
+msgid "Logged out"
+msgstr "登出"
+
+msgid "Password reset"
+msgstr "重置密码"
+
+msgid "Password reset sent"
+msgstr "密码重置链接已经发送。"
+
+msgid "Enter new password"
+msgstr "输入新密码"
+
+msgid "Password reset unsuccessful"
+msgstr "密码重置失败"
+
+msgid "Password reset complete"
+msgstr "密码重置完成"
+
+msgid "Password change"
+msgstr "密码更改"
+
+msgid "Password change successful"
+msgstr "密码更改成功"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c127d274
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hant/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2542623f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,291 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# Claude Paroz <claude@2xlibre.net>, 2016
+# ilay <ilay@ilay.tw>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# tcc <tcchou@tcchou.org>, 2011
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016-2017,2019
+# Yeh-Yung <yyc1217@gmail.com>, 2013
+# Yeh-Yung <yyc1217@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 09:03+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Personal info"
+msgstr "個人資訊"
+
+msgid "Permissions"
+msgstr "權限"
+
+msgid "Important dates"
+msgstr "重要日期"
+
+#, python-format
+msgid "%(name)s object with primary key %(key)r does not exist."
+msgstr "主鍵 %(key)r 的 %(name)s 物件不存在。"
+
+msgid "Password changed successfully."
+msgstr "密碼修改成功"
+
+#, python-format
+msgid "Change password: %s"
+msgstr "修改密碼: %s"
+
+msgid "Authentication and Authorization"
+msgstr "認證與授權"
+
+msgid "password"
+msgstr "密碼"
+
+msgid "last login"
+msgstr "上次登入"
+
+msgid "No password set."
+msgstr "無設定密碼。"
+
+msgid "Invalid password format or unknown hashing algorithm."
+msgstr "無效的密碼格式或不知名的雜湊演算法。"
+
+msgid "The two password fields didn’t match."
+msgstr "兩個密碼欄位不相符。"
+
+msgid "Password"
+msgstr "密碼"
+
+msgid "Password confirmation"
+msgstr "密碼確認"
+
+msgid "Enter the same password as before, for verification."
+msgstr "為檢查用，請輸入與前面相同的密碼。"
+
+msgid ""
+"Raw passwords are not stored, so there is no way to see this user’s "
+"password, but you can change the password using <a href=\"{}\">this form</a>."
+msgstr ""
+"原始密碼尚未儲存，因此無法存取此帳號的密碼，但你可以透過<a href=\"{}\">這個表"
+"單</a>來變更密碼。"
+
+#, python-format
+msgid ""
+"Please enter a correct %(username)s and password. Note that both fields may "
+"be case-sensitive."
+msgstr "輸入正確的 %(username)s 和密碼。請注意兩者皆區分大小寫。"
+
+msgid "This account is inactive."
+msgstr "這個帳戶未啟用"
+
+msgid "Email"
+msgstr "電子信箱"
+
+msgid "New password"
+msgstr "新密碼"
+
+msgid "New password confirmation"
+msgstr "新密碼確認"
+
+msgid "Your old password was entered incorrectly. Please enter it again."
+msgstr "你的舊密碼不正確。請重新輸入。"
+
+msgid "Old password"
+msgstr "舊密碼"
+
+msgid "Password (again)"
+msgstr "密碼(重複)"
+
+msgid "algorithm"
+msgstr "演算法"
+
+msgid "iterations"
+msgstr "迭代"
+
+msgid "salt"
+msgstr "隨機值"
+
+msgid "hash"
+msgstr "哈希碼"
+
+msgid "variety"
+msgstr "變種"
+
+msgid "version"
+msgstr "版本"
+
+msgid "memory cost"
+msgstr "記憶體用量"
+
+msgid "time cost"
+msgstr "耗時"
+
+msgid "parallelism"
+msgstr "平行性"
+
+msgid "work factor"
+msgstr "作用因素"
+
+msgid "checksum"
+msgstr "校驗"
+
+msgid "name"
+msgstr "名稱"
+
+msgid "content type"
+msgstr "內容類型"
+
+msgid "codename"
+msgstr "代碼"
+
+msgid "permission"
+msgstr "權限"
+
+msgid "permissions"
+msgstr "權限"
+
+msgid "group"
+msgstr "群組"
+
+msgid "groups"
+msgstr "群組"
+
+msgid "superuser status"
+msgstr "超級使用者狀態"
+
+msgid ""
+"Designates that this user has all permissions without explicitly assigning "
+"them."
+msgstr "指定是否使用者可以登入到這個管理網站"
+
+msgid ""
+"The groups this user belongs to. A user will get all permissions granted to "
+"each of their groups."
+msgstr "此為帳號可加入的群組。其所屬的群組將授予該帳號對應的權限。"
+
+msgid "user permissions"
+msgstr "使用者權限"
+
+msgid "Specific permissions for this user."
+msgstr "本使用者的專屬權限。"
+
+msgid "username"
+msgstr "使用者名稱"
+
+msgid "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+msgstr "必要的。150 個字或更少，只包含字母、數字和 @/./+/-/_。"
+
+msgid "A user with that username already exists."
+msgstr "一個相同名稱的使用者已經存在。"
+
+msgid "first name"
+msgstr "名字"
+
+msgid "last name"
+msgstr "姓氏"
+
+msgid "email address"
+msgstr "電子信箱"
+
+msgid "staff status"
+msgstr "工作人員狀態"
+
+msgid "Designates whether the user can log into this admin site."
+msgstr "指定是否使用者可以登入此管理網站。"
+
+msgid "active"
+msgstr "有效"
+
+msgid ""
+"Designates whether this user should be treated as active. Unselect this "
+"instead of deleting accounts."
+msgstr "指定使用者是否有效。請取消選擇而不是刪除帳號。"
+
+msgid "date joined"
+msgstr "加入日期"
+
+msgid "user"
+msgstr "使用者"
+
+msgid "users"
+msgstr "使用者"
+
+#, python-format
+msgid ""
+"This password is too short. It must contain at least %(min_length)d "
+"character."
+msgid_plural ""
+"This password is too short. It must contain at least %(min_length)d "
+"characters."
+msgstr[0] "這個密碼過短。請至少使用 %(min_length)d 個字元。"
+
+#, python-format
+msgid "Your password must contain at least %(min_length)d character."
+msgid_plural "Your password must contain at least %(min_length)d characters."
+msgstr[0] "你的密碼必須包含至少 %(min_length)d 個字元。"
+
+#, python-format
+msgid "The password is too similar to the %(verbose_name)s."
+msgstr "這個密碼與%(verbose_name)s太相近。"
+
+msgid "Your password can’t be too similar to your other personal information."
+msgstr "你的密碼不能與其他個人資訊太相近。"
+
+msgid "This password is too common."
+msgstr "這個密碼太普通。"
+
+msgid "Your password can’t be a commonly used password."
+msgstr "你不能使用常見的密碼。"
+
+msgid "This password is entirely numeric."
+msgstr "這個密碼只包含數字。"
+
+msgid "Your password can’t be entirely numeric."
+msgstr "你的密碼不能完全是數字。"
+
+#, python-format
+msgid "Password reset on %(site_name)s"
+msgstr "在 %(site_name)s 進行密碼重置"
+
+msgid ""
+"Enter a valid username. This value may contain only English letters, "
+"numbers, and @/./+/-/_ characters."
+msgstr "輸入合法的使用者名稱。只能包含英語字母、數字和 @/./+/-/_ 字元。"
+
+msgid ""
+"Enter a valid username. This value may contain only letters, numbers, and "
+"@/./+/-/_ characters."
+msgstr "輸入合法的使用者名稱。只能包含字母、數字和 @/./+/-/_ 字元。"
+
+msgid "Logged out"
+msgstr "登出"
+
+msgid "Password reset"
+msgstr "密碼重設"
+
+msgid "Password reset sent"
+msgstr "已送出密碼重設"
+
+msgid "Enter new password"
+msgstr "輸入新的密碼"
+
+msgid "Password reset unsuccessful"
+msgstr "密碼重設失敗"
+
+msgid "Password reset complete"
+msgstr "密碼重設成功"
+
+msgid "Password change"
+msgstr "變更密碼"
+
+msgid "Password change successful"
+msgstr "成功變更密碼"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/__init__.py
new file mode 100644
index 00000000..b29a980c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/__init__.py
@@ -0,0 +1,176 @@
+"""
+Creates permissions for all installed apps that need permissions.
+"""
+
+import getpass
+import unicodedata
+
+from django.apps import apps as global_apps
+from django.contrib.auth import get_permission_codename
+from django.contrib.contenttypes.management import create_contenttypes
+from django.core import exceptions
+from django.db import DEFAULT_DB_ALIAS, router
+
+
+def _get_all_permissions(opts):
+    """
+    Return (codename, name) for all permissions in the given opts.
+    """
+    return [*_get_builtin_permissions(opts), *opts.permissions]
+
+
+def _get_builtin_permissions(opts):
+    """
+    Return (codename, name) for all autogenerated permissions.
+    By default, this is ('add', 'change', 'delete', 'view')
+    """
+    perms = []
+    for action in opts.default_permissions:
+        perms.append(
+            (
+                get_permission_codename(action, opts),
+                "Can %s %s" % (action, opts.verbose_name_raw),
+            )
+        )
+    return perms
+
+
+def create_permissions(
+    app_config,
+    verbosity=2,
+    interactive=True,
+    using=DEFAULT_DB_ALIAS,
+    apps=global_apps,
+    **kwargs,
+):
+    if not app_config.models_module:
+        return
+
+    # Ensure that contenttypes are created for this app. Needed if
+    # 'django.contrib.auth' is in INSTALLED_APPS before
+    # 'django.contrib.contenttypes'.
+    create_contenttypes(
+        app_config,
+        verbosity=verbosity,
+        interactive=interactive,
+        using=using,
+        apps=apps,
+        **kwargs,
+    )
+
+    app_label = app_config.label
+    try:
+        app_config = apps.get_app_config(app_label)
+        ContentType = apps.get_model("contenttypes", "ContentType")
+        Permission = apps.get_model("auth", "Permission")
+    except LookupError:
+        return
+
+    if not router.allow_migrate_model(using, Permission):
+        return
+
+    # This will hold the permissions we're looking for as
+    # (content_type, (codename, name))
+    searched_perms = []
+    # The codenames and ctypes that should exist.
+    ctypes = set()
+    for klass in app_config.get_models():
+        # Force looking up the content types in the current database
+        # before creating foreign keys to them.
+        ctype = ContentType.objects.db_manager(using).get_for_model(
+            klass, for_concrete_model=False
+        )
+
+        ctypes.add(ctype)
+        for perm in _get_all_permissions(klass._meta):
+            searched_perms.append((ctype, perm))
+
+    # Find all the Permissions that have a content_type for a model we're
+    # looking for.  We don't need to check for codenames since we already have
+    # a list of the ones we're going to create.
+    all_perms = set(
+        Permission.objects.using(using)
+        .filter(
+            content_type__in=ctypes,
+        )
+        .values_list("content_type", "codename")
+    )
+
+    perms = []
+    for ct, (codename, name) in searched_perms:
+        if (ct.pk, codename) not in all_perms:
+            permission = Permission()
+            permission._state.db = using
+            permission.codename = codename
+            permission.name = name
+            permission.content_type = ct
+            perms.append(permission)
+
+    Permission.objects.using(using).bulk_create(perms)
+    if verbosity >= 2:
+        for perm in perms:
+            print("Adding permission '%s'" % perm)
+
+
+def get_system_username():
+    """
+    Return the current system user's username, or an empty string if the
+    username could not be determined.
+    """
+    try:
+        result = getpass.getuser()
+    except (ImportError, KeyError):
+        # KeyError will be raised by os.getpwuid() (called by getuser())
+        # if there is no corresponding entry in the /etc/passwd file
+        # (a very restricted chroot environment, for example).
+        return ""
+    return result
+
+
+def get_default_username(check_db=True, database=DEFAULT_DB_ALIAS):
+    """
+    Try to determine the current system user's username to use as a default.
+
+    :param check_db: If ``True``, requires that the username does not match an
+        existing ``auth.User`` (otherwise returns an empty string).
+    :param database: The database where the unique check will be performed.
+    :returns: The username, or an empty string if no username can be
+        determined or the suggested username is already taken.
+    """
+    # This file is used in apps.py, it should not trigger models import.
+    from django.contrib.auth import models as auth_app
+
+    # If the User model has been swapped out, we can't make any assumptions
+    # about the default user name.
+    if auth_app.User._meta.swapped:
+        return ""
+
+    default_username = get_system_username()
+    try:
+        default_username = (
+            unicodedata.normalize("NFKD", default_username)
+            .encode("ascii", "ignore")
+            .decode("ascii")
+            .replace(" ", "")
+            .lower()
+        )
+    except UnicodeDecodeError:
+        return ""
+
+    # Run the username validator
+    try:
+        auth_app.User._meta.get_field("username").run_validators(default_username)
+    except exceptions.ValidationError:
+        return ""
+
+    # Don't return the default username if it is already taken.
+    if check_db and default_username:
+        try:
+            auth_app.User._default_manager.db_manager(database).get(
+                username=default_username,
+            )
+        except auth_app.User.DoesNotExist:
+            pass
+        else:
+            return ""
+    return default_username
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/__pycache__/__init__.cpython-311.pyc
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similarity index 100%
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/__pycache__/changepassword.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/__pycache__/changepassword.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/__pycache__/createsuperuser.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/__pycache__/createsuperuser.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/changepassword.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/changepassword.py
new file mode 100644
index 00000000..669d8cf5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/changepassword.py
@@ -0,0 +1,81 @@
+import getpass
+
+from django.contrib.auth import get_user_model
+from django.contrib.auth.password_validation import validate_password
+from django.core.exceptions import ValidationError
+from django.core.management.base import BaseCommand, CommandError
+from django.db import DEFAULT_DB_ALIAS
+
+UserModel = get_user_model()
+
+
+class Command(BaseCommand):
+    help = "Change a user's password for django.contrib.auth."
+    requires_migrations_checks = True
+    requires_system_checks = []
+
+    def _get_pass(self, prompt="Password: "):
+        p = getpass.getpass(prompt=prompt)
+        if not p:
+            raise CommandError("aborted")
+        return p
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "username",
+            nargs="?",
+            help=(
+                "Username to change password for; by default, it's the current "
+                "username."
+            ),
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help='Specifies the database to use. Default is "default".',
+        )
+
+    def handle(self, *args, **options):
+        if options["username"]:
+            username = options["username"]
+        else:
+            username = getpass.getuser()
+
+        try:
+            u = UserModel._default_manager.using(options["database"]).get(
+                **{UserModel.USERNAME_FIELD: username}
+            )
+        except UserModel.DoesNotExist:
+            raise CommandError("user '%s' does not exist" % username)
+
+        self.stdout.write("Changing password for user '%s'" % u)
+
+        MAX_TRIES = 3
+        count = 0
+        p1, p2 = 1, 2  # To make them initially mismatch.
+        password_validated = False
+        while (p1 != p2 or not password_validated) and count < MAX_TRIES:
+            p1 = self._get_pass()
+            p2 = self._get_pass("Password (again): ")
+            if p1 != p2:
+                self.stdout.write("Passwords do not match. Please try again.")
+                count += 1
+                # Don't validate passwords that don't match.
+                continue
+            try:
+                validate_password(p2, u)
+            except ValidationError as err:
+                self.stderr.write("\n".join(err.messages))
+                count += 1
+            else:
+                password_validated = True
+
+        if count == MAX_TRIES:
+            raise CommandError(
+                "Aborting password change for user '%s' after %s attempts" % (u, count)
+            )
+
+        u.set_password(p1)
+        u.save()
+
+        return "Password changed successfully for user '%s'" % u
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/createsuperuser.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/createsuperuser.py
new file mode 100644
index 00000000..75ef68ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/management/commands/createsuperuser.py
@@ -0,0 +1,316 @@
+"""
+Management utility to create superusers.
+"""
+
+import getpass
+import os
+import sys
+
+from django.contrib.auth import get_user_model
+from django.contrib.auth.management import get_default_username
+from django.contrib.auth.password_validation import validate_password
+from django.core import exceptions
+from django.core.management.base import BaseCommand, CommandError
+from django.db import DEFAULT_DB_ALIAS
+from django.utils.functional import cached_property
+from django.utils.text import capfirst
+
+
+class NotRunningInTTYException(Exception):
+    pass
+
+
+PASSWORD_FIELD = "password"
+
+
+class Command(BaseCommand):
+    help = "Used to create a superuser."
+    requires_migrations_checks = True
+    stealth_options = ("stdin",)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.UserModel = get_user_model()
+        self.username_field = self.UserModel._meta.get_field(
+            self.UserModel.USERNAME_FIELD
+        )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--%s" % self.UserModel.USERNAME_FIELD,
+            help="Specifies the login for the superuser.",
+        )
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help=(
+                "Tells Django to NOT prompt the user for input of any kind. "
+                "You must use --%s with --noinput, along with an option for "
+                "any other required field. Superusers created with --noinput will "
+                "not be able to log in until they're given a valid password."
+                % self.UserModel.USERNAME_FIELD
+            ),
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help='Specifies the database to use. Default is "default".',
+        )
+        for field_name in self.UserModel.REQUIRED_FIELDS:
+            field = self.UserModel._meta.get_field(field_name)
+            if field.many_to_many:
+                if (
+                    field.remote_field.through
+                    and not field.remote_field.through._meta.auto_created
+                ):
+                    raise CommandError(
+                        "Required field '%s' specifies a many-to-many "
+                        "relation through model, which is not supported." % field_name
+                    )
+                else:
+                    parser.add_argument(
+                        "--%s" % field_name,
+                        action="append",
+                        help=(
+                            "Specifies the %s for the superuser. Can be used "
+                            "multiple times." % field_name,
+                        ),
+                    )
+            else:
+                parser.add_argument(
+                    "--%s" % field_name,
+                    help="Specifies the %s for the superuser." % field_name,
+                )
+
+    def execute(self, *args, **options):
+        self.stdin = options.get("stdin", sys.stdin)  # Used for testing
+        return super().execute(*args, **options)
+
+    def handle(self, *args, **options):
+        username = options[self.UserModel.USERNAME_FIELD]
+        database = options["database"]
+        user_data = {}
+        verbose_field_name = self.username_field.verbose_name
+        try:
+            self.UserModel._meta.get_field(PASSWORD_FIELD)
+        except exceptions.FieldDoesNotExist:
+            pass
+        else:
+            # If not provided, create the user with an unusable password.
+            user_data[PASSWORD_FIELD] = None
+        try:
+            if options["interactive"]:
+                # Same as user_data but without many to many fields and with
+                # foreign keys as fake model instances instead of raw IDs.
+                fake_user_data = {}
+                if hasattr(self.stdin, "isatty") and not self.stdin.isatty():
+                    raise NotRunningInTTYException
+                default_username = get_default_username(database=database)
+                if username:
+                    error_msg = self._validate_username(
+                        username, verbose_field_name, database
+                    )
+                    if error_msg:
+                        self.stderr.write(error_msg)
+                        username = None
+                elif username == "":
+                    raise CommandError(
+                        "%s cannot be blank." % capfirst(verbose_field_name)
+                    )
+                # Prompt for username.
+                while username is None:
+                    message = self._get_input_message(
+                        self.username_field, default_username
+                    )
+                    username = self.get_input_data(
+                        self.username_field, message, default_username
+                    )
+                    if username:
+                        error_msg = self._validate_username(
+                            username, verbose_field_name, database
+                        )
+                        if error_msg:
+                            self.stderr.write(error_msg)
+                            username = None
+                            continue
+                user_data[self.UserModel.USERNAME_FIELD] = username
+                fake_user_data[self.UserModel.USERNAME_FIELD] = (
+                    self.username_field.remote_field.model(username)
+                    if self.username_field.remote_field
+                    else username
+                )
+                # Prompt for required fields.
+                for field_name in self.UserModel.REQUIRED_FIELDS:
+                    field = self.UserModel._meta.get_field(field_name)
+                    user_data[field_name] = options[field_name]
+                    if user_data[field_name] is not None:
+                        user_data[field_name] = field.clean(user_data[field_name], None)
+                    while user_data[field_name] is None:
+                        message = self._get_input_message(field)
+                        input_value = self.get_input_data(field, message)
+                        user_data[field_name] = input_value
+                        if field.many_to_many and input_value:
+                            if not input_value.strip():
+                                user_data[field_name] = None
+                                self.stderr.write("Error: This field cannot be blank.")
+                                continue
+                            user_data[field_name] = [
+                                pk.strip() for pk in input_value.split(",")
+                            ]
+
+                    if not field.many_to_many:
+                        fake_user_data[field_name] = user_data[field_name]
+                    # Wrap any foreign keys in fake model instances.
+                    if field.many_to_one:
+                        fake_user_data[field_name] = field.remote_field.model(
+                            user_data[field_name]
+                        )
+
+                # Prompt for a password if the model has one.
+                while PASSWORD_FIELD in user_data and user_data[PASSWORD_FIELD] is None:
+                    password = getpass.getpass()
+                    password2 = getpass.getpass("Password (again): ")
+                    if password != password2:
+                        self.stderr.write("Error: Your passwords didn't match.")
+                        # Don't validate passwords that don't match.
+                        continue
+                    if password.strip() == "":
+                        self.stderr.write("Error: Blank passwords aren't allowed.")
+                        # Don't validate blank passwords.
+                        continue
+                    try:
+                        validate_password(password2, self.UserModel(**fake_user_data))
+                    except exceptions.ValidationError as err:
+                        self.stderr.write("\n".join(err.messages))
+                        response = input(
+                            "Bypass password validation and create user anyway? [y/N]: "
+                        )
+                        if response.lower() != "y":
+                            continue
+                    user_data[PASSWORD_FIELD] = password
+            else:
+                # Non-interactive mode.
+                # Use password from environment variable, if provided.
+                if (
+                    PASSWORD_FIELD in user_data
+                    and "DJANGO_SUPERUSER_PASSWORD" in os.environ
+                ):
+                    user_data[PASSWORD_FIELD] = os.environ["DJANGO_SUPERUSER_PASSWORD"]
+                # Use username from environment variable, if not provided in
+                # options.
+                if username is None:
+                    username = os.environ.get(
+                        "DJANGO_SUPERUSER_" + self.UserModel.USERNAME_FIELD.upper()
+                    )
+                if username is None:
+                    raise CommandError(
+                        "You must use --%s with --noinput."
+                        % self.UserModel.USERNAME_FIELD
+                    )
+                else:
+                    error_msg = self._validate_username(
+                        username, verbose_field_name, database
+                    )
+                    if error_msg:
+                        raise CommandError(error_msg)
+
+                user_data[self.UserModel.USERNAME_FIELD] = username
+                for field_name in self.UserModel.REQUIRED_FIELDS:
+                    env_var = "DJANGO_SUPERUSER_" + field_name.upper()
+                    value = options[field_name] or os.environ.get(env_var)
+                    field = self.UserModel._meta.get_field(field_name)
+                    if not value:
+                        if field.blank and (
+                            options[field_name] == "" or os.environ.get(env_var) == ""
+                        ):
+                            continue
+                        raise CommandError(
+                            "You must use --%s with --noinput." % field_name
+                        )
+                    user_data[field_name] = field.clean(value, None)
+                    if field.many_to_many and isinstance(user_data[field_name], str):
+                        user_data[field_name] = [
+                            pk.strip() for pk in user_data[field_name].split(",")
+                        ]
+
+            self.UserModel._default_manager.db_manager(database).create_superuser(
+                **user_data
+            )
+            if options["verbosity"] >= 1:
+                self.stdout.write("Superuser created successfully.")
+        except KeyboardInterrupt:
+            self.stderr.write("\nOperation cancelled.")
+            sys.exit(1)
+        except exceptions.ValidationError as e:
+            raise CommandError("; ".join(e.messages))
+        except NotRunningInTTYException:
+            self.stdout.write(
+                "Superuser creation skipped due to not running in a TTY. "
+                "You can run `manage.py createsuperuser` in your project "
+                "to create one manually."
+            )
+
+    def get_input_data(self, field, message, default=None):
+        """
+        Override this method if you want to customize data inputs or
+        validation exceptions.
+        """
+        raw_value = input(message)
+        if default and raw_value == "":
+            raw_value = default
+        try:
+            val = field.clean(raw_value, None)
+        except exceptions.ValidationError as e:
+            self.stderr.write("Error: %s" % "; ".join(e.messages))
+            val = None
+
+        return val
+
+    def _get_input_message(self, field, default=None):
+        return "%s%s%s: " % (
+            capfirst(field.verbose_name),
+            " (leave blank to use '%s')" % default if default else "",
+            (
+                " (%s.%s)"
+                % (
+                    field.remote_field.model._meta.object_name,
+                    (
+                        field.m2m_target_field_name()
+                        if field.many_to_many
+                        else field.remote_field.field_name
+                    ),
+                )
+                if field.remote_field
+                else ""
+            ),
+        )
+
+    @cached_property
+    def username_is_unique(self):
+        if self.username_field.unique:
+            return True
+        return any(
+            len(unique_constraint.fields) == 1
+            and unique_constraint.fields[0] == self.username_field.name
+            for unique_constraint in self.UserModel._meta.total_unique_constraints
+        )
+
+    def _validate_username(self, username, verbose_field_name, database):
+        """Validate username. If invalid, return a string error message."""
+        if self.username_is_unique:
+            try:
+                self.UserModel._default_manager.db_manager(database).get_by_natural_key(
+                    username
+                )
+            except self.UserModel.DoesNotExist:
+                pass
+            else:
+                return "Error: That %s is already taken." % verbose_field_name
+        if not username:
+            return "%s cannot be blank." % capfirst(verbose_field_name)
+        try:
+            self.username_field.clean(username, None)
+        except exceptions.ValidationError as e:
+            return "; ".join(e.messages)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/middleware.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/middleware.py
new file mode 100644
index 00000000..6b8dd434
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/middleware.py
@@ -0,0 +1,137 @@
+from functools import partial
+
+from django.contrib import auth
+from django.contrib.auth import load_backend
+from django.contrib.auth.backends import RemoteUserBackend
+from django.core.exceptions import ImproperlyConfigured
+from django.utils.deprecation import MiddlewareMixin
+from django.utils.functional import SimpleLazyObject
+
+
+def get_user(request):
+    if not hasattr(request, "_cached_user"):
+        request._cached_user = auth.get_user(request)
+    return request._cached_user
+
+
+async def auser(request):
+    if not hasattr(request, "_acached_user"):
+        request._acached_user = await auth.aget_user(request)
+    return request._acached_user
+
+
+class AuthenticationMiddleware(MiddlewareMixin):
+    def process_request(self, request):
+        if not hasattr(request, "session"):
+            raise ImproperlyConfigured(
+                "The Django authentication middleware requires session "
+                "middleware to be installed. Edit your MIDDLEWARE setting to "
+                "insert "
+                "'django.contrib.sessions.middleware.SessionMiddleware' before "
+                "'django.contrib.auth.middleware.AuthenticationMiddleware'."
+            )
+        request.user = SimpleLazyObject(lambda: get_user(request))
+        request.auser = partial(auser, request)
+
+
+class RemoteUserMiddleware(MiddlewareMixin):
+    """
+    Middleware for utilizing web-server-provided authentication.
+
+    If request.user is not authenticated, then this middleware attempts to
+    authenticate the username passed in the ``REMOTE_USER`` request header.
+    If authentication is successful, the user is automatically logged in to
+    persist the user in the session.
+
+    The header used is configurable and defaults to ``REMOTE_USER``.  Subclass
+    this class and change the ``header`` attribute if you need to use a
+    different header.
+    """
+
+    # Name of request header to grab username from.  This will be the key as
+    # used in the request.META dictionary, i.e. the normalization of headers to
+    # all uppercase and the addition of "HTTP_" prefix apply.
+    header = "REMOTE_USER"
+    force_logout_if_no_header = True
+
+    def process_request(self, request):
+        # AuthenticationMiddleware is required so that request.user exists.
+        if not hasattr(request, "user"):
+            raise ImproperlyConfigured(
+                "The Django remote user auth middleware requires the"
+                " authentication middleware to be installed.  Edit your"
+                " MIDDLEWARE setting to insert"
+                " 'django.contrib.auth.middleware.AuthenticationMiddleware'"
+                " before the RemoteUserMiddleware class."
+            )
+        try:
+            username = request.META[self.header]
+        except KeyError:
+            # If specified header doesn't exist then remove any existing
+            # authenticated remote-user, or return (leaving request.user set to
+            # AnonymousUser by the AuthenticationMiddleware).
+            if self.force_logout_if_no_header and request.user.is_authenticated:
+                self._remove_invalid_user(request)
+            return
+        # If the user is already authenticated and that user is the user we are
+        # getting passed in the headers, then the correct user is already
+        # persisted in the session and we don't need to continue.
+        if request.user.is_authenticated:
+            if request.user.get_username() == self.clean_username(username, request):
+                return
+            else:
+                # An authenticated user is associated with the request, but
+                # it does not match the authorized user in the header.
+                self._remove_invalid_user(request)
+
+        # We are seeing this user for the first time in this session, attempt
+        # to authenticate the user.
+        user = auth.authenticate(request, remote_user=username)
+        if user:
+            # User is valid.  Set request.user and persist user in the session
+            # by logging the user in.
+            request.user = user
+            auth.login(request, user)
+
+    def clean_username(self, username, request):
+        """
+        Allow the backend to clean the username, if the backend defines a
+        clean_username method.
+        """
+        backend_str = request.session[auth.BACKEND_SESSION_KEY]
+        backend = auth.load_backend(backend_str)
+        try:
+            username = backend.clean_username(username)
+        except AttributeError:  # Backend has no clean_username method.
+            pass
+        return username
+
+    def _remove_invalid_user(self, request):
+        """
+        Remove the current authenticated user in the request which is invalid
+        but only if the user is authenticated via the RemoteUserBackend.
+        """
+        try:
+            stored_backend = load_backend(
+                request.session.get(auth.BACKEND_SESSION_KEY, "")
+            )
+        except ImportError:
+            # backend failed to load
+            auth.logout(request)
+        else:
+            if isinstance(stored_backend, RemoteUserBackend):
+                auth.logout(request)
+
+
+class PersistentRemoteUserMiddleware(RemoteUserMiddleware):
+    """
+    Middleware for web-server provided authentication on logon pages.
+
+    Like RemoteUserMiddleware but keeps the user authenticated even if
+    the header (``REMOTE_USER``) is not found in the request. Useful
+    for setups when the external authentication via ``REMOTE_USER``
+    is only expected to happen on some "logon" URL and the rest of
+    the application wants to use Django's authentication mechanism.
+    """
+
+    force_logout_if_no_header = False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0001_initial.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0001_initial.py
new file mode 100644
index 00000000..cfeaa3ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0001_initial.py
@@ -0,0 +1,204 @@
+import django.contrib.auth.models
+from django.contrib.auth import validators
+from django.db import migrations, models
+from django.utils import timezone
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("contenttypes", "__first__"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Permission",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                ("name", models.CharField(max_length=50, verbose_name="name")),
+                (
+                    "content_type",
+                    models.ForeignKey(
+                        to="contenttypes.ContentType",
+                        on_delete=models.CASCADE,
+                        verbose_name="content type",
+                    ),
+                ),
+                ("codename", models.CharField(max_length=100, verbose_name="codename")),
+            ],
+            options={
+                "ordering": [
+                    "content_type__app_label",
+                    "content_type__model",
+                    "codename",
+                ],
+                "unique_together": {("content_type", "codename")},
+                "verbose_name": "permission",
+                "verbose_name_plural": "permissions",
+            },
+            managers=[
+                ("objects", django.contrib.auth.models.PermissionManager()),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Group",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                (
+                    "name",
+                    models.CharField(unique=True, max_length=80, verbose_name="name"),
+                ),
+                (
+                    "permissions",
+                    models.ManyToManyField(
+                        to="auth.Permission", verbose_name="permissions", blank=True
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "group",
+                "verbose_name_plural": "groups",
+            },
+            managers=[
+                ("objects", django.contrib.auth.models.GroupManager()),
+            ],
+        ),
+        migrations.CreateModel(
+            name="User",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                ("password", models.CharField(max_length=128, verbose_name="password")),
+                (
+                    "last_login",
+                    models.DateTimeField(
+                        default=timezone.now, verbose_name="last login"
+                    ),
+                ),
+                (
+                    "is_superuser",
+                    models.BooleanField(
+                        default=False,
+                        help_text=(
+                            "Designates that this user has all permissions without "
+                            "explicitly assigning them."
+                        ),
+                        verbose_name="superuser status",
+                    ),
+                ),
+                (
+                    "username",
+                    models.CharField(
+                        help_text=(
+                            "Required. 30 characters or fewer. Letters, digits and "
+                            "@/./+/-/_ only."
+                        ),
+                        unique=True,
+                        max_length=30,
+                        verbose_name="username",
+                        validators=[validators.UnicodeUsernameValidator()],
+                    ),
+                ),
+                (
+                    "first_name",
+                    models.CharField(
+                        max_length=30, verbose_name="first name", blank=True
+                    ),
+                ),
+                (
+                    "last_name",
+                    models.CharField(
+                        max_length=30, verbose_name="last name", blank=True
+                    ),
+                ),
+                (
+                    "email",
+                    models.EmailField(
+                        max_length=75, verbose_name="email address", blank=True
+                    ),
+                ),
+                (
+                    "is_staff",
+                    models.BooleanField(
+                        default=False,
+                        help_text=(
+                            "Designates whether the user can log into this admin site."
+                        ),
+                        verbose_name="staff status",
+                    ),
+                ),
+                (
+                    "is_active",
+                    models.BooleanField(
+                        default=True,
+                        verbose_name="active",
+                        help_text=(
+                            "Designates whether this user should be treated as active. "
+                            "Unselect this instead of deleting accounts."
+                        ),
+                    ),
+                ),
+                (
+                    "date_joined",
+                    models.DateTimeField(
+                        default=timezone.now, verbose_name="date joined"
+                    ),
+                ),
+                (
+                    "groups",
+                    models.ManyToManyField(
+                        to="auth.Group",
+                        verbose_name="groups",
+                        blank=True,
+                        related_name="user_set",
+                        related_query_name="user",
+                        help_text=(
+                            "The groups this user belongs to. A user will get all "
+                            "permissions granted to each of their groups."
+                        ),
+                    ),
+                ),
+                (
+                    "user_permissions",
+                    models.ManyToManyField(
+                        to="auth.Permission",
+                        verbose_name="user permissions",
+                        blank=True,
+                        help_text="Specific permissions for this user.",
+                        related_name="user_set",
+                        related_query_name="user",
+                    ),
+                ),
+            ],
+            options={
+                "swappable": "AUTH_USER_MODEL",
+                "verbose_name": "user",
+                "verbose_name_plural": "users",
+            },
+            managers=[
+                ("objects", django.contrib.auth.models.UserManager()),
+            ],
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0002_alter_permission_name_max_length.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0002_alter_permission_name_max_length.py
new file mode 100644
index 00000000..67a9560a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0002_alter_permission_name_max_length.py
@@ -0,0 +1,15 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="permission",
+            name="name",
+            field=models.CharField(max_length=255, verbose_name="name"),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0003_alter_user_email_max_length.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0003_alter_user_email_max_length.py
new file mode 100644
index 00000000..13d437e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0003_alter_user_email_max_length.py
@@ -0,0 +1,17 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0002_alter_permission_name_max_length"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="email",
+            field=models.EmailField(
+                max_length=254, verbose_name="email address", blank=True
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0004_alter_user_username_opts.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0004_alter_user_username_opts.py
new file mode 100644
index 00000000..f3fe36ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0004_alter_user_username_opts.py
@@ -0,0 +1,27 @@
+from django.contrib.auth import validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0003_alter_user_email_max_length"),
+    ]
+
+    # No database changes; modifies validators and error_messages (#13147).
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="username",
+            field=models.CharField(
+                error_messages={"unique": "A user with that username already exists."},
+                max_length=30,
+                validators=[validators.UnicodeUsernameValidator()],
+                help_text=(
+                    "Required. 30 characters or fewer. Letters, digits and @/./+/-/_ "
+                    "only."
+                ),
+                unique=True,
+                verbose_name="username",
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0005_alter_user_last_login_null.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0005_alter_user_last_login_null.py
new file mode 100644
index 00000000..42b584e9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0005_alter_user_last_login_null.py
@@ -0,0 +1,17 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0004_alter_user_username_opts"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="last_login",
+            field=models.DateTimeField(
+                null=True, verbose_name="last login", blank=True
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0006_require_contenttypes_0002.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0006_require_contenttypes_0002.py
new file mode 100644
index 00000000..2032c112
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0006_require_contenttypes_0002.py
@@ -0,0 +1,13 @@
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0005_alter_user_last_login_null"),
+        ("contenttypes", "0002_remove_content_type_name"),
+    ]
+
+    operations = [
+        # Ensure the contenttypes migration is applied before sending
+        # post_migrate signals (which create ContentTypes).
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0007_alter_validators_add_error_messages.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0007_alter_validators_add_error_messages.py
new file mode 100644
index 00000000..ca010807
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0007_alter_validators_add_error_messages.py
@@ -0,0 +1,26 @@
+from django.contrib.auth import validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0006_require_contenttypes_0002"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="username",
+            field=models.CharField(
+                error_messages={"unique": "A user with that username already exists."},
+                help_text=(
+                    "Required. 30 characters or fewer. Letters, digits and @/./+/-/_ "
+                    "only."
+                ),
+                max_length=30,
+                unique=True,
+                validators=[validators.UnicodeUsernameValidator()],
+                verbose_name="username",
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0008_alter_user_username_max_length.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0008_alter_user_username_max_length.py
new file mode 100644
index 00000000..caac0f1d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0008_alter_user_username_max_length.py
@@ -0,0 +1,26 @@
+from django.contrib.auth import validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0007_alter_validators_add_error_messages"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="username",
+            field=models.CharField(
+                error_messages={"unique": "A user with that username already exists."},
+                help_text=(
+                    "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ "
+                    "only."
+                ),
+                max_length=150,
+                unique=True,
+                validators=[validators.UnicodeUsernameValidator()],
+                verbose_name="username",
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0009_alter_user_last_name_max_length.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0009_alter_user_last_name_max_length.py
new file mode 100644
index 00000000..d3478290
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0009_alter_user_last_name_max_length.py
@@ -0,0 +1,17 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0008_alter_user_username_max_length"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="last_name",
+            field=models.CharField(
+                blank=True, max_length=150, verbose_name="last name"
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0010_alter_group_name_max_length.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0010_alter_group_name_max_length.py
new file mode 100644
index 00000000..8ba27447
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0010_alter_group_name_max_length.py
@@ -0,0 +1,15 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0009_alter_user_last_name_max_length"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="group",
+            name="name",
+            field=models.CharField(max_length=150, unique=True, verbose_name="name"),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0011_update_proxy_permissions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0011_update_proxy_permissions.py
new file mode 100644
index 00000000..aa6ddd50
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0011_update_proxy_permissions.py
@@ -0,0 +1,76 @@
+import sys
+
+from django.core.management.color import color_style
+from django.db import IntegrityError, migrations, transaction
+from django.db.models import Q
+
+WARNING = """
+    A problem arose migrating proxy model permissions for {old} to {new}.
+
+      Permission(s) for {new} already existed.
+      Codenames Q: {query}
+
+    Ensure to audit ALL permissions for {old} and {new}.
+"""
+
+
+def update_proxy_model_permissions(apps, schema_editor, reverse=False):
+    """
+    Update the content_type of proxy model permissions to use the ContentType
+    of the proxy model.
+    """
+    style = color_style()
+    Permission = apps.get_model("auth", "Permission")
+    ContentType = apps.get_model("contenttypes", "ContentType")
+    alias = schema_editor.connection.alias
+    for Model in apps.get_models():
+        opts = Model._meta
+        if not opts.proxy:
+            continue
+        proxy_default_permissions_codenames = [
+            "%s_%s" % (action, opts.model_name) for action in opts.default_permissions
+        ]
+        permissions_query = Q(codename__in=proxy_default_permissions_codenames)
+        for codename, name in opts.permissions:
+            permissions_query |= Q(codename=codename, name=name)
+        content_type_manager = ContentType.objects.db_manager(alias)
+        concrete_content_type = content_type_manager.get_for_model(
+            Model, for_concrete_model=True
+        )
+        proxy_content_type = content_type_manager.get_for_model(
+            Model, for_concrete_model=False
+        )
+        old_content_type = proxy_content_type if reverse else concrete_content_type
+        new_content_type = concrete_content_type if reverse else proxy_content_type
+        try:
+            with transaction.atomic(using=alias):
+                Permission.objects.using(alias).filter(
+                    permissions_query,
+                    content_type=old_content_type,
+                ).update(content_type=new_content_type)
+        except IntegrityError:
+            old = "{}_{}".format(old_content_type.app_label, old_content_type.model)
+            new = "{}_{}".format(new_content_type.app_label, new_content_type.model)
+            sys.stdout.write(
+                style.WARNING(WARNING.format(old=old, new=new, query=permissions_query))
+            )
+
+
+def revert_proxy_model_permissions(apps, schema_editor):
+    """
+    Update the content_type of proxy model permissions to use the ContentType
+    of the concrete model.
+    """
+    update_proxy_model_permissions(apps, schema_editor, reverse=True)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0010_alter_group_name_max_length"),
+        ("contenttypes", "0002_remove_content_type_name"),
+    ]
+    operations = [
+        migrations.RunPython(
+            update_proxy_model_permissions, revert_proxy_model_permissions
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0012_alter_user_first_name_max_length.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0012_alter_user_first_name_max_length.py
new file mode 100644
index 00000000..1014f204
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/0012_alter_user_first_name_max_length.py
@@ -0,0 +1,17 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0011_update_proxy_permissions"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="first_name",
+            field=models.CharField(
+                blank=True, max_length=150, verbose_name="first name"
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/migrations/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/mixins.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/mixins.py
new file mode 100644
index 00000000..0e46000d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/mixins.py
@@ -0,0 +1,135 @@
+from urllib.parse import urlparse
+
+from django.conf import settings
+from django.contrib.auth import REDIRECT_FIELD_NAME
+from django.contrib.auth.views import redirect_to_login
+from django.core.exceptions import ImproperlyConfigured, PermissionDenied
+from django.shortcuts import resolve_url
+
+
+class AccessMixin:
+    """
+    Abstract CBV mixin that gives access mixins the same customizable
+    functionality.
+    """
+
+    login_url = None
+    permission_denied_message = ""
+    raise_exception = False
+    redirect_field_name = REDIRECT_FIELD_NAME
+
+    def get_login_url(self):
+        """
+        Override this method to override the login_url attribute.
+        """
+        login_url = self.login_url or settings.LOGIN_URL
+        if not login_url:
+            raise ImproperlyConfigured(
+                f"{self.__class__.__name__} is missing the login_url attribute. Define "
+                f"{self.__class__.__name__}.login_url, settings.LOGIN_URL, or override "
+                f"{self.__class__.__name__}.get_login_url()."
+            )
+        return str(login_url)
+
+    def get_permission_denied_message(self):
+        """
+        Override this method to override the permission_denied_message attribute.
+        """
+        return self.permission_denied_message
+
+    def get_redirect_field_name(self):
+        """
+        Override this method to override the redirect_field_name attribute.
+        """
+        return self.redirect_field_name
+
+    def handle_no_permission(self):
+        if self.raise_exception or self.request.user.is_authenticated:
+            raise PermissionDenied(self.get_permission_denied_message())
+
+        path = self.request.build_absolute_uri()
+        resolved_login_url = resolve_url(self.get_login_url())
+        # If the login url is the same scheme and net location then use the
+        # path as the "next" url.
+        login_scheme, login_netloc = urlparse(resolved_login_url)[:2]
+        current_scheme, current_netloc = urlparse(path)[:2]
+        if (not login_scheme or login_scheme == current_scheme) and (
+            not login_netloc or login_netloc == current_netloc
+        ):
+            path = self.request.get_full_path()
+        return redirect_to_login(
+            path,
+            resolved_login_url,
+            self.get_redirect_field_name(),
+        )
+
+
+class LoginRequiredMixin(AccessMixin):
+    """Verify that the current user is authenticated."""
+
+    def dispatch(self, request, *args, **kwargs):
+        if not request.user.is_authenticated:
+            return self.handle_no_permission()
+        return super().dispatch(request, *args, **kwargs)
+
+
+class PermissionRequiredMixin(AccessMixin):
+    """Verify that the current user has all specified permissions."""
+
+    permission_required = None
+
+    def get_permission_required(self):
+        """
+        Override this method to override the permission_required attribute.
+        Must return an iterable.
+        """
+        if self.permission_required is None:
+            raise ImproperlyConfigured(
+                f"{self.__class__.__name__} is missing the "
+                f"permission_required attribute. Define "
+                f"{self.__class__.__name__}.permission_required, or override "
+                f"{self.__class__.__name__}.get_permission_required()."
+            )
+        if isinstance(self.permission_required, str):
+            perms = (self.permission_required,)
+        else:
+            perms = self.permission_required
+        return perms
+
+    def has_permission(self):
+        """
+        Override this method to customize the way permissions are checked.
+        """
+        perms = self.get_permission_required()
+        return self.request.user.has_perms(perms)
+
+    def dispatch(self, request, *args, **kwargs):
+        if not self.has_permission():
+            return self.handle_no_permission()
+        return super().dispatch(request, *args, **kwargs)
+
+
+class UserPassesTestMixin(AccessMixin):
+    """
+    Deny a request with a permission error if the test_func() method returns
+    False.
+    """
+
+    def test_func(self):
+        raise NotImplementedError(
+            "{} is missing the implementation of the test_func() method.".format(
+                self.__class__.__name__
+            )
+        )
+
+    def get_test_func(self):
+        """
+        Override this method to use a different test_func method.
+        """
+        return self.test_func
+
+    def dispatch(self, request, *args, **kwargs):
+        user_test_result = self.get_test_func()()
+        if not user_test_result:
+            return self.handle_no_permission()
+        return super().dispatch(request, *args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/models.py
new file mode 100644
index 00000000..85330e2c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/models.py
@@ -0,0 +1,499 @@
+from django.apps import apps
+from django.contrib import auth
+from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
+from django.contrib.auth.hashers import make_password
+from django.contrib.contenttypes.models import ContentType
+from django.core.exceptions import PermissionDenied
+from django.core.mail import send_mail
+from django.db import models
+from django.db.models.manager import EmptyManager
+from django.utils import timezone
+from django.utils.itercompat import is_iterable
+from django.utils.translation import gettext_lazy as _
+
+from .validators import UnicodeUsernameValidator
+
+
+def update_last_login(sender, user, **kwargs):
+    """
+    A signal receiver which updates the last_login date for
+    the user logging in.
+    """
+    user.last_login = timezone.now()
+    user.save(update_fields=["last_login"])
+
+
+class PermissionManager(models.Manager):
+    use_in_migrations = True
+
+    def get_by_natural_key(self, codename, app_label, model):
+        return self.get(
+            codename=codename,
+            content_type=ContentType.objects.db_manager(self.db).get_by_natural_key(
+                app_label, model
+            ),
+        )
+
+
+class Permission(models.Model):
+    """
+    The permissions system provides a way to assign permissions to specific
+    users and groups of users.
+
+    The permission system is used by the Django admin site, but may also be
+    useful in your own code. The Django admin site uses permissions as follows:
+
+        - The "add" permission limits the user's ability to view the "add" form
+          and add an object.
+        - The "change" permission limits a user's ability to view the change
+          list, view the "change" form and change an object.
+        - The "delete" permission limits the ability to delete an object.
+        - The "view" permission limits the ability to view an object.
+
+    Permissions are set globally per type of object, not per specific object
+    instance. It is possible to say "Mary may change news stories," but it's
+    not currently possible to say "Mary may change news stories, but only the
+    ones she created herself" or "Mary may only change news stories that have a
+    certain status or publication date."
+
+    The permissions listed above are automatically created for each model.
+    """
+
+    name = models.CharField(_("name"), max_length=255)
+    content_type = models.ForeignKey(
+        ContentType,
+        models.CASCADE,
+        verbose_name=_("content type"),
+    )
+    codename = models.CharField(_("codename"), max_length=100)
+
+    objects = PermissionManager()
+
+    class Meta:
+        verbose_name = _("permission")
+        verbose_name_plural = _("permissions")
+        unique_together = [["content_type", "codename"]]
+        ordering = ["content_type__app_label", "content_type__model", "codename"]
+
+    def __str__(self):
+        return "%s | %s" % (self.content_type, self.name)
+
+    def natural_key(self):
+        return (self.codename,) + self.content_type.natural_key()
+
+    natural_key.dependencies = ["contenttypes.contenttype"]
+
+
+class GroupManager(models.Manager):
+    """
+    The manager for the auth's Group model.
+    """
+
+    use_in_migrations = True
+
+    def get_by_natural_key(self, name):
+        return self.get(name=name)
+
+
+class Group(models.Model):
+    """
+    Groups are a generic way of categorizing users to apply permissions, or
+    some other label, to those users. A user can belong to any number of
+    groups.
+
+    A user in a group automatically has all the permissions granted to that
+    group. For example, if the group 'Site editors' has the permission
+    can_edit_home_page, any user in that group will have that permission.
+
+    Beyond permissions, groups are a convenient way to categorize users to
+    apply some label, or extended functionality, to them. For example, you
+    could create a group 'Special users', and you could write code that would
+    do special things to those users -- such as giving them access to a
+    members-only portion of your site, or sending them members-only email
+    messages.
+    """
+
+    name = models.CharField(_("name"), max_length=150, unique=True)
+    permissions = models.ManyToManyField(
+        Permission,
+        verbose_name=_("permissions"),
+        blank=True,
+    )
+
+    objects = GroupManager()
+
+    class Meta:
+        verbose_name = _("group")
+        verbose_name_plural = _("groups")
+
+    def __str__(self):
+        return self.name
+
+    def natural_key(self):
+        return (self.name,)
+
+
+class UserManager(BaseUserManager):
+    use_in_migrations = True
+
+    def _create_user(self, username, email, password, **extra_fields):
+        """
+        Create and save a user with the given username, email, and password.
+        """
+        if not username:
+            raise ValueError("The given username must be set")
+        email = self.normalize_email(email)
+        # Lookup the real model class from the global app registry so this
+        # manager method can be used in migrations. This is fine because
+        # managers are by definition working on the real model.
+        GlobalUserModel = apps.get_model(
+            self.model._meta.app_label, self.model._meta.object_name
+        )
+        username = GlobalUserModel.normalize_username(username)
+        user = self.model(username=username, email=email, **extra_fields)
+        user.password = make_password(password)
+        user.save(using=self._db)
+        return user
+
+    def create_user(self, username, email=None, password=None, **extra_fields):
+        extra_fields.setdefault("is_staff", False)
+        extra_fields.setdefault("is_superuser", False)
+        return self._create_user(username, email, password, **extra_fields)
+
+    def create_superuser(self, username, email=None, password=None, **extra_fields):
+        extra_fields.setdefault("is_staff", True)
+        extra_fields.setdefault("is_superuser", True)
+
+        if extra_fields.get("is_staff") is not True:
+            raise ValueError("Superuser must have is_staff=True.")
+        if extra_fields.get("is_superuser") is not True:
+            raise ValueError("Superuser must have is_superuser=True.")
+
+        return self._create_user(username, email, password, **extra_fields)
+
+    def with_perm(
+        self, perm, is_active=True, include_superusers=True, backend=None, obj=None
+    ):
+        if backend is None:
+            backends = auth._get_backends(return_tuples=True)
+            if len(backends) == 1:
+                backend, _ = backends[0]
+            else:
+                raise ValueError(
+                    "You have multiple authentication backends configured and "
+                    "therefore must provide the `backend` argument."
+                )
+        elif not isinstance(backend, str):
+            raise TypeError(
+                "backend must be a dotted import path string (got %r)." % backend
+            )
+        else:
+            backend = auth.load_backend(backend)
+        if hasattr(backend, "with_perm"):
+            return backend.with_perm(
+                perm,
+                is_active=is_active,
+                include_superusers=include_superusers,
+                obj=obj,
+            )
+        return self.none()
+
+
+# A few helper functions for common logic between User and AnonymousUser.
+def _user_get_permissions(user, obj, from_name):
+    permissions = set()
+    name = "get_%s_permissions" % from_name
+    for backend in auth.get_backends():
+        if hasattr(backend, name):
+            permissions.update(getattr(backend, name)(user, obj))
+    return permissions
+
+
+def _user_has_perm(user, perm, obj):
+    """
+    A backend can raise `PermissionDenied` to short-circuit permission checking.
+    """
+    for backend in auth.get_backends():
+        if not hasattr(backend, "has_perm"):
+            continue
+        try:
+            if backend.has_perm(user, perm, obj):
+                return True
+        except PermissionDenied:
+            return False
+    return False
+
+
+def _user_has_module_perms(user, app_label):
+    """
+    A backend can raise `PermissionDenied` to short-circuit permission checking.
+    """
+    for backend in auth.get_backends():
+        if not hasattr(backend, "has_module_perms"):
+            continue
+        try:
+            if backend.has_module_perms(user, app_label):
+                return True
+        except PermissionDenied:
+            return False
+    return False
+
+
+class PermissionsMixin(models.Model):
+    """
+    Add the fields and methods necessary to support the Group and Permission
+    models using the ModelBackend.
+    """
+
+    is_superuser = models.BooleanField(
+        _("superuser status"),
+        default=False,
+        help_text=_(
+            "Designates that this user has all permissions without "
+            "explicitly assigning them."
+        ),
+    )
+    groups = models.ManyToManyField(
+        Group,
+        verbose_name=_("groups"),
+        blank=True,
+        help_text=_(
+            "The groups this user belongs to. A user will get all permissions "
+            "granted to each of their groups."
+        ),
+        related_name="user_set",
+        related_query_name="user",
+    )
+    user_permissions = models.ManyToManyField(
+        Permission,
+        verbose_name=_("user permissions"),
+        blank=True,
+        help_text=_("Specific permissions for this user."),
+        related_name="user_set",
+        related_query_name="user",
+    )
+
+    class Meta:
+        abstract = True
+
+    def get_user_permissions(self, obj=None):
+        """
+        Return a list of permission strings that this user has directly.
+        Query all available auth backends. If an object is passed in,
+        return only permissions matching this object.
+        """
+        return _user_get_permissions(self, obj, "user")
+
+    def get_group_permissions(self, obj=None):
+        """
+        Return a list of permission strings that this user has through their
+        groups. Query all available auth backends. If an object is passed in,
+        return only permissions matching this object.
+        """
+        return _user_get_permissions(self, obj, "group")
+
+    def get_all_permissions(self, obj=None):
+        return _user_get_permissions(self, obj, "all")
+
+    def has_perm(self, perm, obj=None):
+        """
+        Return True if the user has the specified permission. Query all
+        available auth backends, but return immediately if any backend returns
+        True. Thus, a user who has permission from a single auth backend is
+        assumed to have permission in general. If an object is provided, check
+        permissions for that object.
+        """
+        # Active superusers have all permissions.
+        if self.is_active and self.is_superuser:
+            return True
+
+        # Otherwise we need to check the backends.
+        return _user_has_perm(self, perm, obj)
+
+    def has_perms(self, perm_list, obj=None):
+        """
+        Return True if the user has each of the specified permissions. If
+        object is passed, check if the user has all required perms for it.
+        """
+        if not is_iterable(perm_list) or isinstance(perm_list, str):
+            raise ValueError("perm_list must be an iterable of permissions.")
+        return all(self.has_perm(perm, obj) for perm in perm_list)
+
+    def has_module_perms(self, app_label):
+        """
+        Return True if the user has any permissions in the given app label.
+        Use similar logic as has_perm(), above.
+        """
+        # Active superusers have all permissions.
+        if self.is_active and self.is_superuser:
+            return True
+
+        return _user_has_module_perms(self, app_label)
+
+
+class AbstractUser(AbstractBaseUser, PermissionsMixin):
+    """
+    An abstract base class implementing a fully featured User model with
+    admin-compliant permissions.
+
+    Username and password are required. Other fields are optional.
+    """
+
+    username_validator = UnicodeUsernameValidator()
+
+    username = models.CharField(
+        _("username"),
+        max_length=150,
+        unique=True,
+        help_text=_(
+            "Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only."
+        ),
+        validators=[username_validator],
+        error_messages={
+            "unique": _("A user with that username already exists."),
+        },
+    )
+    first_name = models.CharField(_("first name"), max_length=150, blank=True)
+    last_name = models.CharField(_("last name"), max_length=150, blank=True)
+    email = models.EmailField(_("email address"), blank=True)
+    is_staff = models.BooleanField(
+        _("staff status"),
+        default=False,
+        help_text=_("Designates whether the user can log into this admin site."),
+    )
+    is_active = models.BooleanField(
+        _("active"),
+        default=True,
+        help_text=_(
+            "Designates whether this user should be treated as active. "
+            "Unselect this instead of deleting accounts."
+        ),
+    )
+    date_joined = models.DateTimeField(_("date joined"), default=timezone.now)
+
+    objects = UserManager()
+
+    EMAIL_FIELD = "email"
+    USERNAME_FIELD = "username"
+    REQUIRED_FIELDS = ["email"]
+
+    class Meta:
+        verbose_name = _("user")
+        verbose_name_plural = _("users")
+        abstract = True
+
+    def clean(self):
+        super().clean()
+        self.email = self.__class__.objects.normalize_email(self.email)
+
+    def get_full_name(self):
+        """
+        Return the first_name plus the last_name, with a space in between.
+        """
+        full_name = "%s %s" % (self.first_name, self.last_name)
+        return full_name.strip()
+
+    def get_short_name(self):
+        """Return the short name for the user."""
+        return self.first_name
+
+    def email_user(self, subject, message, from_email=None, **kwargs):
+        """Send an email to this user."""
+        send_mail(subject, message, from_email, [self.email], **kwargs)
+
+
+class User(AbstractUser):
+    """
+    Users within the Django authentication system are represented by this
+    model.
+
+    Username and password are required. Other fields are optional.
+    """
+
+    class Meta(AbstractUser.Meta):
+        swappable = "AUTH_USER_MODEL"
+
+
+class AnonymousUser:
+    id = None
+    pk = None
+    username = ""
+    is_staff = False
+    is_active = False
+    is_superuser = False
+    _groups = EmptyManager(Group)
+    _user_permissions = EmptyManager(Permission)
+
+    def __str__(self):
+        return "AnonymousUser"
+
+    def __eq__(self, other):
+        return isinstance(other, self.__class__)
+
+    def __hash__(self):
+        return 1  # instances always return the same hash value
+
+    def __int__(self):
+        raise TypeError(
+            "Cannot cast AnonymousUser to int. Are you trying to use it in place of "
+            "User?"
+        )
+
+    def save(self):
+        raise NotImplementedError(
+            "Django doesn't provide a DB representation for AnonymousUser."
+        )
+
+    def delete(self):
+        raise NotImplementedError(
+            "Django doesn't provide a DB representation for AnonymousUser."
+        )
+
+    def set_password(self, raw_password):
+        raise NotImplementedError(
+            "Django doesn't provide a DB representation for AnonymousUser."
+        )
+
+    def check_password(self, raw_password):
+        raise NotImplementedError(
+            "Django doesn't provide a DB representation for AnonymousUser."
+        )
+
+    @property
+    def groups(self):
+        return self._groups
+
+    @property
+    def user_permissions(self):
+        return self._user_permissions
+
+    def get_user_permissions(self, obj=None):
+        return _user_get_permissions(self, obj, "user")
+
+    def get_group_permissions(self, obj=None):
+        return set()
+
+    def get_all_permissions(self, obj=None):
+        return _user_get_permissions(self, obj, "all")
+
+    def has_perm(self, perm, obj=None):
+        return _user_has_perm(self, perm, obj=obj)
+
+    def has_perms(self, perm_list, obj=None):
+        if not is_iterable(perm_list) or isinstance(perm_list, str):
+            raise ValueError("perm_list must be an iterable of permissions.")
+        return all(self.has_perm(perm, obj) for perm in perm_list)
+
+    def has_module_perms(self, module):
+        return _user_has_module_perms(self, module)
+
+    @property
+    def is_anonymous(self):
+        return True
+
+    @property
+    def is_authenticated(self):
+        return False
+
+    def get_username(self):
+        return self.username
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/password_validation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/password_validation.py
new file mode 100644
index 00000000..06f8fcc4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/password_validation.py
@@ -0,0 +1,266 @@
+import functools
+import gzip
+import re
+from difflib import SequenceMatcher
+from pathlib import Path
+
+from django.conf import settings
+from django.core.exceptions import (
+    FieldDoesNotExist,
+    ImproperlyConfigured,
+    ValidationError,
+)
+from django.utils.functional import cached_property, lazy
+from django.utils.html import format_html, format_html_join
+from django.utils.module_loading import import_string
+from django.utils.translation import gettext as _
+from django.utils.translation import ngettext
+
+
+@functools.cache
+def get_default_password_validators():
+    return get_password_validators(settings.AUTH_PASSWORD_VALIDATORS)
+
+
+def get_password_validators(validator_config):
+    validators = []
+    for validator in validator_config:
+        try:
+            klass = import_string(validator["NAME"])
+        except ImportError:
+            msg = (
+                "The module in NAME could not be imported: %s. Check your "
+                "AUTH_PASSWORD_VALIDATORS setting."
+            )
+            raise ImproperlyConfigured(msg % validator["NAME"])
+        validators.append(klass(**validator.get("OPTIONS", {})))
+
+    return validators
+
+
+def validate_password(password, user=None, password_validators=None):
+    """
+    Validate that the password meets all validator requirements.
+
+    If the password is valid, return ``None``.
+    If the password is invalid, raise ValidationError with all error messages.
+    """
+    errors = []
+    if password_validators is None:
+        password_validators = get_default_password_validators()
+    for validator in password_validators:
+        try:
+            validator.validate(password, user)
+        except ValidationError as error:
+            errors.append(error)
+    if errors:
+        raise ValidationError(errors)
+
+
+def password_changed(password, user=None, password_validators=None):
+    """
+    Inform all validators that have implemented a password_changed() method
+    that the password has been changed.
+    """
+    if password_validators is None:
+        password_validators = get_default_password_validators()
+    for validator in password_validators:
+        password_changed = getattr(validator, "password_changed", lambda *a: None)
+        password_changed(password, user)
+
+
+def password_validators_help_texts(password_validators=None):
+    """
+    Return a list of all help texts of all configured validators.
+    """
+    help_texts = []
+    if password_validators is None:
+        password_validators = get_default_password_validators()
+    for validator in password_validators:
+        help_texts.append(validator.get_help_text())
+    return help_texts
+
+
+def _password_validators_help_text_html(password_validators=None):
+    """
+    Return an HTML string with all help texts of all configured validators
+    in an <ul>.
+    """
+    help_texts = password_validators_help_texts(password_validators)
+    help_items = format_html_join(
+        "", "<li>{}</li>", ((help_text,) for help_text in help_texts)
+    )
+    return format_html("<ul>{}</ul>", help_items) if help_items else ""
+
+
+password_validators_help_text_html = lazy(_password_validators_help_text_html, str)
+
+
+class MinimumLengthValidator:
+    """
+    Validate that the password is of a minimum length.
+    """
+
+    def __init__(self, min_length=8):
+        self.min_length = min_length
+
+    def validate(self, password, user=None):
+        if len(password) < self.min_length:
+            raise ValidationError(
+                ngettext(
+                    "This password is too short. It must contain at least "
+                    "%(min_length)d character.",
+                    "This password is too short. It must contain at least "
+                    "%(min_length)d characters.",
+                    self.min_length,
+                ),
+                code="password_too_short",
+                params={"min_length": self.min_length},
+            )
+
+    def get_help_text(self):
+        return ngettext(
+            "Your password must contain at least %(min_length)d character.",
+            "Your password must contain at least %(min_length)d characters.",
+            self.min_length,
+        ) % {"min_length": self.min_length}
+
+
+def exceeds_maximum_length_ratio(password, max_similarity, value):
+    """
+    Test that value is within a reasonable range of password.
+
+    The following ratio calculations are based on testing SequenceMatcher like
+    this:
+
+    for i in range(0,6):
+      print(10**i, SequenceMatcher(a='A', b='A'*(10**i)).quick_ratio())
+
+    which yields:
+
+    1 1.0
+    10 0.18181818181818182
+    100 0.019801980198019802
+    1000 0.001998001998001998
+    10000 0.00019998000199980003
+    100000 1.999980000199998e-05
+
+    This means a length_ratio of 10 should never yield a similarity higher than
+    0.2, for 100 this is down to 0.02 and for 1000 it is 0.002. This can be
+    calculated via 2 / length_ratio. As a result we avoid the potentially
+    expensive sequence matching.
+    """
+    pwd_len = len(password)
+    length_bound_similarity = max_similarity / 2 * pwd_len
+    value_len = len(value)
+    return pwd_len >= 10 * value_len and value_len < length_bound_similarity
+
+
+class UserAttributeSimilarityValidator:
+    """
+    Validate that the password is sufficiently different from the user's
+    attributes.
+
+    If no specific attributes are provided, look at a sensible list of
+    defaults. Attributes that don't exist are ignored. Comparison is made to
+    not only the full attribute value, but also its components, so that, for
+    example, a password is validated against either part of an email address,
+    as well as the full address.
+    """
+
+    DEFAULT_USER_ATTRIBUTES = ("username", "first_name", "last_name", "email")
+
+    def __init__(self, user_attributes=DEFAULT_USER_ATTRIBUTES, max_similarity=0.7):
+        self.user_attributes = user_attributes
+        if max_similarity < 0.1:
+            raise ValueError("max_similarity must be at least 0.1")
+        self.max_similarity = max_similarity
+
+    def validate(self, password, user=None):
+        if not user:
+            return
+
+        password = password.lower()
+        for attribute_name in self.user_attributes:
+            value = getattr(user, attribute_name, None)
+            if not value or not isinstance(value, str):
+                continue
+            value_lower = value.lower()
+            value_parts = re.split(r"\W+", value_lower) + [value_lower]
+            for value_part in value_parts:
+                if exceeds_maximum_length_ratio(
+                    password, self.max_similarity, value_part
+                ):
+                    continue
+                if (
+                    SequenceMatcher(a=password, b=value_part).quick_ratio()
+                    >= self.max_similarity
+                ):
+                    try:
+                        verbose_name = str(
+                            user._meta.get_field(attribute_name).verbose_name
+                        )
+                    except FieldDoesNotExist:
+                        verbose_name = attribute_name
+                    raise ValidationError(
+                        _("The password is too similar to the %(verbose_name)s."),
+                        code="password_too_similar",
+                        params={"verbose_name": verbose_name},
+                    )
+
+    def get_help_text(self):
+        return _(
+            "Your password can’t be too similar to your other personal information."
+        )
+
+
+class CommonPasswordValidator:
+    """
+    Validate that the password is not a common password.
+
+    The password is rejected if it occurs in a provided list of passwords,
+    which may be gzipped. The list Django ships with contains 20000 common
+    passwords (lowercased and deduplicated), created by Royce Williams:
+    https://gist.github.com/roycewilliams/226886fd01572964e1431ac8afc999ce
+    The password list must be lowercased to match the comparison in validate().
+    """
+
+    @cached_property
+    def DEFAULT_PASSWORD_LIST_PATH(self):
+        return Path(__file__).resolve().parent / "common-passwords.txt.gz"
+
+    def __init__(self, password_list_path=DEFAULT_PASSWORD_LIST_PATH):
+        if password_list_path is CommonPasswordValidator.DEFAULT_PASSWORD_LIST_PATH:
+            password_list_path = self.DEFAULT_PASSWORD_LIST_PATH
+        try:
+            with gzip.open(password_list_path, "rt", encoding="utf-8") as f:
+                self.passwords = {x.strip() for x in f}
+        except OSError:
+            with open(password_list_path) as f:
+                self.passwords = {x.strip() for x in f}
+
+    def validate(self, password, user=None):
+        if password.lower().strip() in self.passwords:
+            raise ValidationError(
+                _("This password is too common."),
+                code="password_too_common",
+            )
+
+    def get_help_text(self):
+        return _("Your password can’t be a commonly used password.")
+
+
+class NumericPasswordValidator:
+    """
+    Validate that the password is not entirely numeric.
+    """
+
+    def validate(self, password, user=None):
+        if password.isdigit():
+            raise ValidationError(
+                _("This password is entirely numeric."),
+                code="password_entirely_numeric",
+            )
+
+    def get_help_text(self):
+        return _("Your password can’t be entirely numeric.")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/signals.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/signals.py
new file mode 100644
index 00000000..ed669f9c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/signals.py
@@ -0,0 +1,5 @@
+from django.dispatch import Signal
+
+user_logged_in = Signal()
+user_login_failed = Signal()
+user_logged_out = Signal()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/templates/auth/widgets/read_only_password_hash.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/templates/auth/widgets/read_only_password_hash.html
new file mode 100644
index 00000000..c73042b1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/templates/auth/widgets/read_only_password_hash.html
@@ -0,0 +1,5 @@
+<div{% include 'django/forms/widgets/attrs.html' %}>
+{% for entry in summary %}
+<strong>{{ entry.label }}</strong>{% if entry.value %}: <bdi>{{ entry.value }}</bdi>{% endif %}
+{% endfor %}
+</div>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/templates/registration/password_reset_subject.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/templates/registration/password_reset_subject.txt
new file mode 100644
index 00000000..eb30fcba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/templates/registration/password_reset_subject.txt
@@ -0,0 +1,3 @@
+{% load i18n %}{% autoescape off %}
+{% blocktranslate %}Password reset on {{ site_name }}{% endblocktranslate %}
+{% endautoescape %}
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/tokens.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/tokens.py
new file mode 100644
index 00000000..09cc2b51
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/tokens.py
@@ -0,0 +1,132 @@
+from datetime import datetime
+
+from django.conf import settings
+from django.utils.crypto import constant_time_compare, salted_hmac
+from django.utils.http import base36_to_int, int_to_base36
+
+
+class PasswordResetTokenGenerator:
+    """
+    Strategy object used to generate and check tokens for the password
+    reset mechanism.
+    """
+
+    key_salt = "django.contrib.auth.tokens.PasswordResetTokenGenerator"
+    algorithm = None
+    _secret = None
+    _secret_fallbacks = None
+
+    def __init__(self):
+        self.algorithm = self.algorithm or "sha256"
+
+    def _get_secret(self):
+        return self._secret or settings.SECRET_KEY
+
+    def _set_secret(self, secret):
+        self._secret = secret
+
+    secret = property(_get_secret, _set_secret)
+
+    def _get_fallbacks(self):
+        if self._secret_fallbacks is None:
+            return settings.SECRET_KEY_FALLBACKS
+        return self._secret_fallbacks
+
+    def _set_fallbacks(self, fallbacks):
+        self._secret_fallbacks = fallbacks
+
+    secret_fallbacks = property(_get_fallbacks, _set_fallbacks)
+
+    def make_token(self, user):
+        """
+        Return a token that can be used once to do a password reset
+        for the given user.
+        """
+        return self._make_token_with_timestamp(
+            user,
+            self._num_seconds(self._now()),
+            self.secret,
+        )
+
+    def check_token(self, user, token):
+        """
+        Check that a password reset token is correct for a given user.
+        """
+        if not (user and token):
+            return False
+        # Parse the token
+        try:
+            ts_b36, _ = token.split("-")
+        except ValueError:
+            return False
+
+        try:
+            ts = base36_to_int(ts_b36)
+        except ValueError:
+            return False
+
+        # Check that the timestamp/uid has not been tampered with
+        for secret in [self.secret, *self.secret_fallbacks]:
+            if constant_time_compare(
+                self._make_token_with_timestamp(user, ts, secret),
+                token,
+            ):
+                break
+        else:
+            return False
+
+        # Check the timestamp is within limit.
+        if (self._num_seconds(self._now()) - ts) > settings.PASSWORD_RESET_TIMEOUT:
+            return False
+
+        return True
+
+    def _make_token_with_timestamp(self, user, timestamp, secret):
+        # timestamp is number of seconds since 2001-1-1. Converted to base 36,
+        # this gives us a 6 digit string until about 2069.
+        ts_b36 = int_to_base36(timestamp)
+        hash_string = salted_hmac(
+            self.key_salt,
+            self._make_hash_value(user, timestamp),
+            secret=secret,
+            algorithm=self.algorithm,
+        ).hexdigest()[
+            ::2
+        ]  # Limit to shorten the URL.
+        return "%s-%s" % (ts_b36, hash_string)
+
+    def _make_hash_value(self, user, timestamp):
+        """
+        Hash the user's primary key, email (if available), and some user state
+        that's sure to change after a password reset to produce a token that is
+        invalidated when it's used:
+        1. The password field will change upon a password reset (even if the
+           same password is chosen, due to password salting).
+        2. The last_login field will usually be updated very shortly after
+           a password reset.
+        Failing those things, settings.PASSWORD_RESET_TIMEOUT eventually
+        invalidates the token.
+
+        Running this data through salted_hmac() prevents password cracking
+        attempts using the reset token, provided the secret isn't compromised.
+        """
+        # Truncate microseconds so that tokens are consistent even if the
+        # database doesn't support microseconds.
+        login_timestamp = (
+            ""
+            if user.last_login is None
+            else user.last_login.replace(microsecond=0, tzinfo=None)
+        )
+        email_field = user.get_email_field_name()
+        email = getattr(user, email_field, "") or ""
+        return f"{user.pk}{user.password}{login_timestamp}{timestamp}{email}"
+
+    def _num_seconds(self, dt):
+        return int((dt - datetime(2001, 1, 1)).total_seconds())
+
+    def _now(self):
+        # Used for mocking in tests
+        return datetime.now()
+
+
+default_token_generator = PasswordResetTokenGenerator()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/urls.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/urls.py
new file mode 100644
index 00000000..699ba617
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/urls.py
@@ -0,0 +1,36 @@
+# The views used below are normally mapped in the AdminSite instance.
+# This URLs file is used to provide a reliable view deployment for test purposes.
+# It is also provided as a convenience to those who want to deploy these URLs
+# elsewhere.
+
+from django.contrib.auth import views
+from django.urls import path
+
+urlpatterns = [
+    path("login/", views.LoginView.as_view(), name="login"),
+    path("logout/", views.LogoutView.as_view(), name="logout"),
+    path(
+        "password_change/", views.PasswordChangeView.as_view(), name="password_change"
+    ),
+    path(
+        "password_change/done/",
+        views.PasswordChangeDoneView.as_view(),
+        name="password_change_done",
+    ),
+    path("password_reset/", views.PasswordResetView.as_view(), name="password_reset"),
+    path(
+        "password_reset/done/",
+        views.PasswordResetDoneView.as_view(),
+        name="password_reset_done",
+    ),
+    path(
+        "reset/<uidb64>/<token>/",
+        views.PasswordResetConfirmView.as_view(),
+        name="password_reset_confirm",
+    ),
+    path(
+        "reset/done/",
+        views.PasswordResetCompleteView.as_view(),
+        name="password_reset_complete",
+    ),
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/validators.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/validators.py
new file mode 100644
index 00000000..bf3894a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/validators.py
@@ -0,0 +1,25 @@
+import re
+
+from django.core import validators
+from django.utils.deconstruct import deconstructible
+from django.utils.translation import gettext_lazy as _
+
+
+@deconstructible
+class ASCIIUsernameValidator(validators.RegexValidator):
+    regex = r"^[\w.@+-]+\Z"
+    message = _(
+        "Enter a valid username. This value may contain only unaccented lowercase a-z "
+        "and uppercase A-Z letters, numbers, and @/./+/-/_ characters."
+    )
+    flags = re.ASCII
+
+
+@deconstructible
+class UnicodeUsernameValidator(validators.RegexValidator):
+    regex = r"^[\w.@+-]+\Z"
+    message = _(
+        "Enter a valid username. This value may contain only letters, "
+        "numbers, and @/./+/-/_ characters."
+    )
+    flags = 0
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/views.py
new file mode 100644
index 00000000..0d161046
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/auth/views.py
@@ -0,0 +1,379 @@
+from urllib.parse import urlparse, urlunparse
+
+from django.conf import settings
+
+# Avoid shadowing the login() and logout() views below.
+from django.contrib.auth import REDIRECT_FIELD_NAME, get_user_model
+from django.contrib.auth import login as auth_login
+from django.contrib.auth import logout as auth_logout
+from django.contrib.auth import update_session_auth_hash
+from django.contrib.auth.decorators import login_required
+from django.contrib.auth.forms import (
+    AuthenticationForm,
+    PasswordChangeForm,
+    PasswordResetForm,
+    SetPasswordForm,
+)
+from django.contrib.auth.tokens import default_token_generator
+from django.contrib.sites.shortcuts import get_current_site
+from django.core.exceptions import ImproperlyConfigured, ValidationError
+from django.http import HttpResponseRedirect, QueryDict
+from django.shortcuts import resolve_url
+from django.urls import reverse_lazy
+from django.utils.decorators import method_decorator
+from django.utils.http import url_has_allowed_host_and_scheme, urlsafe_base64_decode
+from django.utils.translation import gettext_lazy as _
+from django.views.decorators.cache import never_cache
+from django.views.decorators.csrf import csrf_protect
+from django.views.decorators.debug import sensitive_post_parameters
+from django.views.generic.base import TemplateView
+from django.views.generic.edit import FormView
+
+UserModel = get_user_model()
+
+
+class RedirectURLMixin:
+    next_page = None
+    redirect_field_name = REDIRECT_FIELD_NAME
+    success_url_allowed_hosts = set()
+
+    def get_success_url(self):
+        return self.get_redirect_url() or self.get_default_redirect_url()
+
+    def get_redirect_url(self):
+        """Return the user-originating redirect URL if it's safe."""
+        redirect_to = self.request.POST.get(
+            self.redirect_field_name, self.request.GET.get(self.redirect_field_name)
+        )
+        url_is_safe = url_has_allowed_host_and_scheme(
+            url=redirect_to,
+            allowed_hosts=self.get_success_url_allowed_hosts(),
+            require_https=self.request.is_secure(),
+        )
+        return redirect_to if url_is_safe else ""
+
+    def get_success_url_allowed_hosts(self):
+        return {self.request.get_host(), *self.success_url_allowed_hosts}
+
+    def get_default_redirect_url(self):
+        """Return the default redirect URL."""
+        if self.next_page:
+            return resolve_url(self.next_page)
+        raise ImproperlyConfigured("No URL to redirect to. Provide a next_page.")
+
+
+class LoginView(RedirectURLMixin, FormView):
+    """
+    Display the login form and handle the login action.
+    """
+
+    form_class = AuthenticationForm
+    authentication_form = None
+    template_name = "registration/login.html"
+    redirect_authenticated_user = False
+    extra_context = None
+
+    @method_decorator(sensitive_post_parameters())
+    @method_decorator(csrf_protect)
+    @method_decorator(never_cache)
+    def dispatch(self, request, *args, **kwargs):
+        if self.redirect_authenticated_user and self.request.user.is_authenticated:
+            redirect_to = self.get_success_url()
+            if redirect_to == self.request.path:
+                raise ValueError(
+                    "Redirection loop for authenticated user detected. Check that "
+                    "your LOGIN_REDIRECT_URL doesn't point to a login page."
+                )
+            return HttpResponseRedirect(redirect_to)
+        return super().dispatch(request, *args, **kwargs)
+
+    def get_default_redirect_url(self):
+        """Return the default redirect URL."""
+        if self.next_page:
+            return resolve_url(self.next_page)
+        else:
+            return resolve_url(settings.LOGIN_REDIRECT_URL)
+
+    def get_form_class(self):
+        return self.authentication_form or self.form_class
+
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        kwargs["request"] = self.request
+        return kwargs
+
+    def form_valid(self, form):
+        """Security check complete. Log the user in."""
+        auth_login(self.request, form.get_user())
+        return HttpResponseRedirect(self.get_success_url())
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        current_site = get_current_site(self.request)
+        context.update(
+            {
+                self.redirect_field_name: self.get_redirect_url(),
+                "site": current_site,
+                "site_name": current_site.name,
+                **(self.extra_context or {}),
+            }
+        )
+        return context
+
+
+class LogoutView(RedirectURLMixin, TemplateView):
+    """
+    Log out the user and display the 'You are logged out' message.
+    """
+
+    http_method_names = ["post", "options"]
+    template_name = "registration/logged_out.html"
+    extra_context = None
+
+    @method_decorator(csrf_protect)
+    @method_decorator(never_cache)
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        """Logout may be done via POST."""
+        auth_logout(request)
+        redirect_to = self.get_success_url()
+        if redirect_to != request.get_full_path():
+            # Redirect to target page once the session has been cleared.
+            return HttpResponseRedirect(redirect_to)
+        return super().get(request, *args, **kwargs)
+
+    def get_default_redirect_url(self):
+        """Return the default redirect URL."""
+        if self.next_page:
+            return resolve_url(self.next_page)
+        elif settings.LOGOUT_REDIRECT_URL:
+            return resolve_url(settings.LOGOUT_REDIRECT_URL)
+        else:
+            return self.request.path
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        current_site = get_current_site(self.request)
+        context.update(
+            {
+                "site": current_site,
+                "site_name": current_site.name,
+                "title": _("Logged out"),
+                "subtitle": None,
+                **(self.extra_context or {}),
+            }
+        )
+        return context
+
+
+def logout_then_login(request, login_url=None):
+    """
+    Log out the user if they are logged in. Then redirect to the login page.
+    """
+    login_url = resolve_url(login_url or settings.LOGIN_URL)
+    return LogoutView.as_view(next_page=login_url)(request)
+
+
+def redirect_to_login(next, login_url=None, redirect_field_name=REDIRECT_FIELD_NAME):
+    """
+    Redirect the user to the login page, passing the given 'next' page.
+    """
+    resolved_url = resolve_url(login_url or settings.LOGIN_URL)
+
+    login_url_parts = list(urlparse(resolved_url))
+    if redirect_field_name:
+        querystring = QueryDict(login_url_parts[4], mutable=True)
+        querystring[redirect_field_name] = next
+        login_url_parts[4] = querystring.urlencode(safe="/")
+
+    return HttpResponseRedirect(urlunparse(login_url_parts))
+
+
+# Class-based password reset views
+# - PasswordResetView sends the mail
+# - PasswordResetDoneView shows a success message for the above
+# - PasswordResetConfirmView checks the link the user clicked and
+#   prompts for a new password
+# - PasswordResetCompleteView shows a success message for the above
+
+
+class PasswordContextMixin:
+    extra_context = None
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context.update(
+            {"title": self.title, "subtitle": None, **(self.extra_context or {})}
+        )
+        return context
+
+
+class PasswordResetView(PasswordContextMixin, FormView):
+    email_template_name = "registration/password_reset_email.html"
+    extra_email_context = None
+    form_class = PasswordResetForm
+    from_email = None
+    html_email_template_name = None
+    subject_template_name = "registration/password_reset_subject.txt"
+    success_url = reverse_lazy("password_reset_done")
+    template_name = "registration/password_reset_form.html"
+    title = _("Password reset")
+    token_generator = default_token_generator
+
+    @method_decorator(csrf_protect)
+    def dispatch(self, *args, **kwargs):
+        return super().dispatch(*args, **kwargs)
+
+    def form_valid(self, form):
+        opts = {
+            "use_https": self.request.is_secure(),
+            "token_generator": self.token_generator,
+            "from_email": self.from_email,
+            "email_template_name": self.email_template_name,
+            "subject_template_name": self.subject_template_name,
+            "request": self.request,
+            "html_email_template_name": self.html_email_template_name,
+            "extra_email_context": self.extra_email_context,
+        }
+        form.save(**opts)
+        return super().form_valid(form)
+
+
+INTERNAL_RESET_SESSION_TOKEN = "_password_reset_token"
+
+
+class PasswordResetDoneView(PasswordContextMixin, TemplateView):
+    template_name = "registration/password_reset_done.html"
+    title = _("Password reset sent")
+
+
+class PasswordResetConfirmView(PasswordContextMixin, FormView):
+    form_class = SetPasswordForm
+    post_reset_login = False
+    post_reset_login_backend = None
+    reset_url_token = "set-password"
+    success_url = reverse_lazy("password_reset_complete")
+    template_name = "registration/password_reset_confirm.html"
+    title = _("Enter new password")
+    token_generator = default_token_generator
+
+    @method_decorator(sensitive_post_parameters())
+    @method_decorator(never_cache)
+    def dispatch(self, *args, **kwargs):
+        if "uidb64" not in kwargs or "token" not in kwargs:
+            raise ImproperlyConfigured(
+                "The URL path must contain 'uidb64' and 'token' parameters."
+            )
+
+        self.validlink = False
+        self.user = self.get_user(kwargs["uidb64"])
+
+        if self.user is not None:
+            token = kwargs["token"]
+            if token == self.reset_url_token:
+                session_token = self.request.session.get(INTERNAL_RESET_SESSION_TOKEN)
+                if self.token_generator.check_token(self.user, session_token):
+                    # If the token is valid, display the password reset form.
+                    self.validlink = True
+                    return super().dispatch(*args, **kwargs)
+            else:
+                if self.token_generator.check_token(self.user, token):
+                    # Store the token in the session and redirect to the
+                    # password reset form at a URL without the token. That
+                    # avoids the possibility of leaking the token in the
+                    # HTTP Referer header.
+                    self.request.session[INTERNAL_RESET_SESSION_TOKEN] = token
+                    redirect_url = self.request.path.replace(
+                        token, self.reset_url_token
+                    )
+                    return HttpResponseRedirect(redirect_url)
+
+        # Display the "Password reset unsuccessful" page.
+        return self.render_to_response(self.get_context_data())
+
+    def get_user(self, uidb64):
+        try:
+            # urlsafe_base64_decode() decodes to bytestring
+            uid = urlsafe_base64_decode(uidb64).decode()
+            user = UserModel._default_manager.get(pk=uid)
+        except (
+            TypeError,
+            ValueError,
+            OverflowError,
+            UserModel.DoesNotExist,
+            ValidationError,
+        ):
+            user = None
+        return user
+
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        kwargs["user"] = self.user
+        return kwargs
+
+    def form_valid(self, form):
+        user = form.save()
+        del self.request.session[INTERNAL_RESET_SESSION_TOKEN]
+        if self.post_reset_login:
+            auth_login(self.request, user, self.post_reset_login_backend)
+        return super().form_valid(form)
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        if self.validlink:
+            context["validlink"] = True
+        else:
+            context.update(
+                {
+                    "form": None,
+                    "title": _("Password reset unsuccessful"),
+                    "validlink": False,
+                }
+            )
+        return context
+
+
+class PasswordResetCompleteView(PasswordContextMixin, TemplateView):
+    template_name = "registration/password_reset_complete.html"
+    title = _("Password reset complete")
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["login_url"] = resolve_url(settings.LOGIN_URL)
+        return context
+
+
+class PasswordChangeView(PasswordContextMixin, FormView):
+    form_class = PasswordChangeForm
+    success_url = reverse_lazy("password_change_done")
+    template_name = "registration/password_change_form.html"
+    title = _("Password change")
+
+    @method_decorator(sensitive_post_parameters())
+    @method_decorator(csrf_protect)
+    @method_decorator(login_required)
+    def dispatch(self, *args, **kwargs):
+        return super().dispatch(*args, **kwargs)
+
+    def get_form_kwargs(self):
+        kwargs = super().get_form_kwargs()
+        kwargs["user"] = self.request.user
+        return kwargs
+
+    def form_valid(self, form):
+        form.save()
+        # Updating the password logs out all other sessions for the user
+        # except the current one.
+        update_session_auth_hash(self.request, form.user)
+        return super().form_valid(form)
+
+
+class PasswordChangeDoneView(PasswordContextMixin, TemplateView):
+    template_name = "registration/password_change_done.html"
+    title = _("Password change successful")
+
+    @method_decorator(login_required)
+    def dispatch(self, *args, **kwargs):
+        return super().dispatch(*args, **kwargs)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/admin.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/admin.py
new file mode 100644
index 00000000..617d6d2e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/admin.py
@@ -0,0 +1,143 @@
+from functools import partial
+
+from django.contrib.admin.checks import InlineModelAdminChecks
+from django.contrib.admin.options import InlineModelAdmin, flatten_fieldsets
+from django.contrib.contenttypes.fields import GenericForeignKey
+from django.contrib.contenttypes.forms import (
+    BaseGenericInlineFormSet,
+    generic_inlineformset_factory,
+)
+from django.core import checks
+from django.core.exceptions import FieldDoesNotExist
+from django.forms import ALL_FIELDS
+from django.forms.models import modelform_defines_fields
+
+
+class GenericInlineModelAdminChecks(InlineModelAdminChecks):
+    def _check_exclude_of_parent_model(self, obj, parent_model):
+        # There's no FK to exclude, so no exclusion checks are required.
+        return []
+
+    def _check_relation(self, obj, parent_model):
+        # There's no FK, but we do need to confirm that the ct_field and
+        # ct_fk_field are valid, and that they are part of a GenericForeignKey.
+
+        gfks = [
+            f
+            for f in obj.model._meta.private_fields
+            if isinstance(f, GenericForeignKey)
+        ]
+        if not gfks:
+            return [
+                checks.Error(
+                    "'%s' has no GenericForeignKey." % obj.model._meta.label,
+                    obj=obj.__class__,
+                    id="admin.E301",
+                )
+            ]
+        else:
+            # Check that the ct_field and ct_fk_fields exist
+            try:
+                obj.model._meta.get_field(obj.ct_field)
+            except FieldDoesNotExist:
+                return [
+                    checks.Error(
+                        "'ct_field' references '%s', which is not a field on '%s'."
+                        % (
+                            obj.ct_field,
+                            obj.model._meta.label,
+                        ),
+                        obj=obj.__class__,
+                        id="admin.E302",
+                    )
+                ]
+
+            try:
+                obj.model._meta.get_field(obj.ct_fk_field)
+            except FieldDoesNotExist:
+                return [
+                    checks.Error(
+                        "'ct_fk_field' references '%s', which is not a field on '%s'."
+                        % (
+                            obj.ct_fk_field,
+                            obj.model._meta.label,
+                        ),
+                        obj=obj.__class__,
+                        id="admin.E303",
+                    )
+                ]
+
+            # There's one or more GenericForeignKeys; make sure that one of them
+            # uses the right ct_field and ct_fk_field.
+            for gfk in gfks:
+                if gfk.ct_field == obj.ct_field and gfk.fk_field == obj.ct_fk_field:
+                    return []
+
+            return [
+                checks.Error(
+                    "'%s' has no GenericForeignKey using content type field '%s' and "
+                    "object ID field '%s'."
+                    % (
+                        obj.model._meta.label,
+                        obj.ct_field,
+                        obj.ct_fk_field,
+                    ),
+                    obj=obj.__class__,
+                    id="admin.E304",
+                )
+            ]
+
+
+class GenericInlineModelAdmin(InlineModelAdmin):
+    ct_field = "content_type"
+    ct_fk_field = "object_id"
+    formset = BaseGenericInlineFormSet
+
+    checks_class = GenericInlineModelAdminChecks
+
+    def get_formset(self, request, obj=None, **kwargs):
+        if "fields" in kwargs:
+            fields = kwargs.pop("fields")
+        else:
+            fields = flatten_fieldsets(self.get_fieldsets(request, obj))
+        exclude = [*(self.exclude or []), *self.get_readonly_fields(request, obj)]
+        if (
+            self.exclude is None
+            and hasattr(self.form, "_meta")
+            and self.form._meta.exclude
+        ):
+            # Take the custom ModelForm's Meta.exclude into account only if the
+            # GenericInlineModelAdmin doesn't define its own.
+            exclude.extend(self.form._meta.exclude)
+        exclude = exclude or None
+        can_delete = self.can_delete and self.has_delete_permission(request, obj)
+        defaults = {
+            "ct_field": self.ct_field,
+            "fk_field": self.ct_fk_field,
+            "form": self.form,
+            "formfield_callback": partial(self.formfield_for_dbfield, request=request),
+            "formset": self.formset,
+            "extra": self.get_extra(request, obj),
+            "can_delete": can_delete,
+            "can_order": False,
+            "fields": fields,
+            "min_num": self.get_min_num(request, obj),
+            "max_num": self.get_max_num(request, obj),
+            "exclude": exclude,
+            **kwargs,
+        }
+
+        if defaults["fields"] is None and not modelform_defines_fields(
+            defaults["form"]
+        ):
+            defaults["fields"] = ALL_FIELDS
+
+        return generic_inlineformset_factory(self.model, **defaults)
+
+
+class GenericStackedInline(GenericInlineModelAdmin):
+    template = "admin/edit_inline/stacked.html"
+
+
+class GenericTabularInline(GenericInlineModelAdmin):
+    template = "admin/edit_inline/tabular.html"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/apps.py
new file mode 100644
index 00000000..11dfb910
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/apps.py
@@ -0,0 +1,22 @@
+from django.apps import AppConfig
+from django.contrib.contenttypes.checks import (
+    check_generic_foreign_keys,
+    check_model_name_lengths,
+)
+from django.core import checks
+from django.db.models.signals import post_migrate, pre_migrate
+from django.utils.translation import gettext_lazy as _
+
+from .management import create_contenttypes, inject_rename_contenttypes_operations
+
+
+class ContentTypesConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.contenttypes"
+    verbose_name = _("Content Types")
+
+    def ready(self):
+        pre_migrate.connect(inject_rename_contenttypes_operations, sender=self)
+        post_migrate.connect(create_contenttypes)
+        checks.register(check_generic_foreign_keys, checks.Tags.models)
+        checks.register(check_model_name_lengths, checks.Tags.models)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/checks.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/checks.py
new file mode 100644
index 00000000..753c5d22
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/checks.py
@@ -0,0 +1,46 @@
+from itertools import chain
+
+from django.apps import apps
+from django.core.checks import Error
+
+
+def check_generic_foreign_keys(app_configs=None, **kwargs):
+    from .fields import GenericForeignKey
+
+    if app_configs is None:
+        models = apps.get_models()
+    else:
+        models = chain.from_iterable(
+            app_config.get_models() for app_config in app_configs
+        )
+    errors = []
+    fields = (
+        obj
+        for model in models
+        for obj in vars(model).values()
+        if isinstance(obj, GenericForeignKey)
+    )
+    for field in fields:
+        errors.extend(field.check())
+    return errors
+
+
+def check_model_name_lengths(app_configs=None, **kwargs):
+    if app_configs is None:
+        models = apps.get_models()
+    else:
+        models = chain.from_iterable(
+            app_config.get_models() for app_config in app_configs
+        )
+    errors = []
+    for model in models:
+        if len(model._meta.model_name) > 100:
+            errors.append(
+                Error(
+                    "Model names must be at most 100 characters (got %d)."
+                    % (len(model._meta.model_name),),
+                    obj=model,
+                    id="contenttypes.E005",
+                )
+            )
+    return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/fields.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/fields.py
new file mode 100644
index 00000000..1b6abb98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/fields.py
@@ -0,0 +1,847 @@
+import functools
+import itertools
+import warnings
+from collections import defaultdict
+
+from asgiref.sync import sync_to_async
+
+from django.contrib.contenttypes.models import ContentType
+from django.core import checks
+from django.core.exceptions import FieldDoesNotExist, ObjectDoesNotExist
+from django.db import DEFAULT_DB_ALIAS, models, router, transaction
+from django.db.models import DO_NOTHING, ForeignObject, ForeignObjectRel
+from django.db.models.base import ModelBase, make_foreign_order_accessors
+from django.db.models.fields.mixins import FieldCacheMixin
+from django.db.models.fields.related import (
+    ReverseManyToOneDescriptor,
+    lazy_related_operation,
+)
+from django.db.models.query_utils import PathInfo
+from django.db.models.sql import AND
+from django.db.models.sql.where import WhereNode
+from django.db.models.utils import AltersData
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import cached_property
+
+
+class GenericForeignKey(FieldCacheMixin):
+    """
+    Provide a generic many-to-one relation through the ``content_type`` and
+    ``object_id`` fields.
+
+    This class also doubles as an accessor to the related object (similar to
+    ForwardManyToOneDescriptor) by adding itself as a model attribute.
+    """
+
+    # Field flags
+    auto_created = False
+    concrete = False
+    editable = False
+    hidden = False
+
+    is_relation = True
+    many_to_many = False
+    many_to_one = True
+    one_to_many = False
+    one_to_one = False
+    related_model = None
+    remote_field = None
+
+    def __init__(
+        self, ct_field="content_type", fk_field="object_id", for_concrete_model=True
+    ):
+        self.ct_field = ct_field
+        self.fk_field = fk_field
+        self.for_concrete_model = for_concrete_model
+        self.editable = False
+        self.rel = None
+        self.column = None
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        self.name = name
+        self.model = cls
+        cls._meta.add_field(self, private=True)
+        setattr(cls, name, self)
+
+    def get_filter_kwargs_for_object(self, obj):
+        """See corresponding method on Field"""
+        return {
+            self.fk_field: getattr(obj, self.fk_field),
+            self.ct_field: getattr(obj, self.ct_field),
+        }
+
+    def get_forward_related_filter(self, obj):
+        """See corresponding method on RelatedField"""
+        return {
+            self.fk_field: obj.pk,
+            self.ct_field: ContentType.objects.get_for_model(obj).pk,
+        }
+
+    def __str__(self):
+        model = self.model
+        return "%s.%s" % (model._meta.label, self.name)
+
+    def check(self, **kwargs):
+        return [
+            *self._check_field_name(),
+            *self._check_object_id_field(),
+            *self._check_content_type_field(),
+        ]
+
+    def _check_field_name(self):
+        if self.name.endswith("_"):
+            return [
+                checks.Error(
+                    "Field names must not end with an underscore.",
+                    obj=self,
+                    id="fields.E001",
+                )
+            ]
+        else:
+            return []
+
+    def _check_object_id_field(self):
+        try:
+            self.model._meta.get_field(self.fk_field)
+        except FieldDoesNotExist:
+            return [
+                checks.Error(
+                    "The GenericForeignKey object ID references the "
+                    "nonexistent field '%s'." % self.fk_field,
+                    obj=self,
+                    id="contenttypes.E001",
+                )
+            ]
+        else:
+            return []
+
+    def _check_content_type_field(self):
+        """
+        Check if field named `field_name` in model `model` exists and is a
+        valid content_type field (is a ForeignKey to ContentType).
+        """
+        try:
+            field = self.model._meta.get_field(self.ct_field)
+        except FieldDoesNotExist:
+            return [
+                checks.Error(
+                    "The GenericForeignKey content type references the "
+                    "nonexistent field '%s.%s'."
+                    % (self.model._meta.object_name, self.ct_field),
+                    obj=self,
+                    id="contenttypes.E002",
+                )
+            ]
+        else:
+            if not isinstance(field, models.ForeignKey):
+                return [
+                    checks.Error(
+                        "'%s.%s' is not a ForeignKey."
+                        % (self.model._meta.object_name, self.ct_field),
+                        hint=(
+                            "GenericForeignKeys must use a ForeignKey to "
+                            "'contenttypes.ContentType' as the 'content_type' field."
+                        ),
+                        obj=self,
+                        id="contenttypes.E003",
+                    )
+                ]
+            elif field.remote_field.model != ContentType:
+                return [
+                    checks.Error(
+                        "'%s.%s' is not a ForeignKey to 'contenttypes.ContentType'."
+                        % (self.model._meta.object_name, self.ct_field),
+                        hint=(
+                            "GenericForeignKeys must use a ForeignKey to "
+                            "'contenttypes.ContentType' as the 'content_type' field."
+                        ),
+                        obj=self,
+                        id="contenttypes.E004",
+                    )
+                ]
+            else:
+                return []
+
+    def get_cache_name(self):
+        return self.name
+
+    def get_content_type(self, obj=None, id=None, using=None, model=None):
+        if obj is not None:
+            return ContentType.objects.db_manager(obj._state.db).get_for_model(
+                obj, for_concrete_model=self.for_concrete_model
+            )
+        elif id is not None:
+            return ContentType.objects.db_manager(using).get_for_id(id)
+        elif model is not None:
+            return ContentType.objects.db_manager(using).get_for_model(
+                model, for_concrete_model=self.for_concrete_model
+            )
+        else:
+            # This should never happen. I love comments like this, don't you?
+            raise Exception("Impossible arguments to GFK.get_content_type!")
+
+    def get_prefetch_queryset(self, instances, queryset=None):
+        warnings.warn(
+            "get_prefetch_queryset() is deprecated. Use get_prefetch_querysets() "
+            "instead.",
+            RemovedInDjango60Warning,
+            stacklevel=2,
+        )
+        if queryset is None:
+            return self.get_prefetch_querysets(instances)
+        return self.get_prefetch_querysets(instances, [queryset])
+
+    def get_prefetch_querysets(self, instances, querysets=None):
+        custom_queryset_dict = {}
+        if querysets is not None:
+            for queryset in querysets:
+                ct_id = self.get_content_type(
+                    model=queryset.query.model, using=queryset.db
+                ).pk
+                if ct_id in custom_queryset_dict:
+                    raise ValueError(
+                        "Only one queryset is allowed for each content type."
+                    )
+                custom_queryset_dict[ct_id] = queryset
+
+        # For efficiency, group the instances by content type and then do one
+        # query per model
+        fk_dict = defaultdict(set)
+        # We need one instance for each group in order to get the right db:
+        instance_dict = {}
+        ct_attname = self.model._meta.get_field(self.ct_field).get_attname()
+        for instance in instances:
+            # We avoid looking for values if either ct_id or fkey value is None
+            ct_id = getattr(instance, ct_attname)
+            if ct_id is not None:
+                fk_val = getattr(instance, self.fk_field)
+                if fk_val is not None:
+                    fk_dict[ct_id].add(fk_val)
+                    instance_dict[ct_id] = instance
+
+        ret_val = []
+        for ct_id, fkeys in fk_dict.items():
+            if ct_id in custom_queryset_dict:
+                # Return values from the custom queryset, if provided.
+                ret_val.extend(custom_queryset_dict[ct_id].filter(pk__in=fkeys))
+            else:
+                instance = instance_dict[ct_id]
+                ct = self.get_content_type(id=ct_id, using=instance._state.db)
+                ret_val.extend(ct.get_all_objects_for_this_type(pk__in=fkeys))
+
+        # For doing the join in Python, we have to match both the FK val and the
+        # content type, so we use a callable that returns a (fk, class) pair.
+        def gfk_key(obj):
+            ct_id = getattr(obj, ct_attname)
+            if ct_id is None:
+                return None
+            else:
+                model = self.get_content_type(
+                    id=ct_id, using=obj._state.db
+                ).model_class()
+                return (
+                    model._meta.pk.get_prep_value(getattr(obj, self.fk_field)),
+                    model,
+                )
+
+        return (
+            ret_val,
+            lambda obj: (obj.pk, obj.__class__),
+            gfk_key,
+            True,
+            self.name,
+            False,
+        )
+
+    def __get__(self, instance, cls=None):
+        if instance is None:
+            return self
+
+        # Don't use getattr(instance, self.ct_field) here because that might
+        # reload the same ContentType over and over (#5570). Instead, get the
+        # content type ID here, and later when the actual instance is needed,
+        # use ContentType.objects.get_for_id(), which has a global cache.
+        f = self.model._meta.get_field(self.ct_field)
+        ct_id = getattr(instance, f.get_attname(), None)
+        pk_val = getattr(instance, self.fk_field)
+
+        rel_obj = self.get_cached_value(instance, default=None)
+        if rel_obj is None and self.is_cached(instance):
+            return rel_obj
+        if rel_obj is not None:
+            ct_match = (
+                ct_id == self.get_content_type(obj=rel_obj, using=instance._state.db).id
+            )
+            pk_match = ct_match and rel_obj._meta.pk.to_python(pk_val) == rel_obj.pk
+            if pk_match:
+                return rel_obj
+            else:
+                rel_obj = None
+        if ct_id is not None:
+            ct = self.get_content_type(id=ct_id, using=instance._state.db)
+            try:
+                rel_obj = ct.get_object_for_this_type(pk=pk_val)
+            except ObjectDoesNotExist:
+                pass
+        self.set_cached_value(instance, rel_obj)
+        return rel_obj
+
+    def __set__(self, instance, value):
+        ct = None
+        fk = None
+        if value is not None:
+            ct = self.get_content_type(obj=value)
+            fk = value.pk
+
+        setattr(instance, self.ct_field, ct)
+        setattr(instance, self.fk_field, fk)
+        self.set_cached_value(instance, value)
+
+
+class GenericRel(ForeignObjectRel):
+    """
+    Used by GenericRelation to store information about the relation.
+    """
+
+    def __init__(
+        self,
+        field,
+        to,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+    ):
+        super().__init__(
+            field,
+            to,
+            related_name=related_query_name or "+",
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            on_delete=DO_NOTHING,
+        )
+
+
+class GenericRelation(ForeignObject):
+    """
+    Provide a reverse to a relation created by a GenericForeignKey.
+    """
+
+    # Field flags
+    auto_created = False
+    empty_strings_allowed = False
+
+    many_to_many = False
+    many_to_one = False
+    one_to_many = True
+    one_to_one = False
+
+    rel_class = GenericRel
+
+    mti_inherited = False
+
+    def __init__(
+        self,
+        to,
+        object_id_field="object_id",
+        content_type_field="content_type",
+        for_concrete_model=True,
+        related_query_name=None,
+        limit_choices_to=None,
+        **kwargs,
+    ):
+        kwargs["rel"] = self.rel_class(
+            self,
+            to,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+        )
+
+        # Reverse relations are always nullable (Django can't enforce that a
+        # foreign key on the related model points to this model).
+        kwargs["null"] = True
+        kwargs["blank"] = True
+        kwargs["on_delete"] = models.CASCADE
+        kwargs["editable"] = False
+        kwargs["serialize"] = False
+
+        # This construct is somewhat of an abuse of ForeignObject. This field
+        # represents a relation from pk to object_id field. But, this relation
+        # isn't direct, the join is generated reverse along foreign key. So,
+        # the from_field is object_id field, to_field is pk because of the
+        # reverse join.
+        super().__init__(to, from_fields=[object_id_field], to_fields=[], **kwargs)
+
+        self.object_id_field_name = object_id_field
+        self.content_type_field_name = content_type_field
+        self.for_concrete_model = for_concrete_model
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_generic_foreign_key_existence(),
+        ]
+
+    def _is_matching_generic_foreign_key(self, field):
+        """
+        Return True if field is a GenericForeignKey whose content type and
+        object id fields correspond to the equivalent attributes on this
+        GenericRelation.
+        """
+        return (
+            isinstance(field, GenericForeignKey)
+            and field.ct_field == self.content_type_field_name
+            and field.fk_field == self.object_id_field_name
+        )
+
+    def _check_generic_foreign_key_existence(self):
+        target = self.remote_field.model
+        if isinstance(target, ModelBase):
+            fields = target._meta.private_fields
+            if any(self._is_matching_generic_foreign_key(field) for field in fields):
+                return []
+            else:
+                return [
+                    checks.Error(
+                        "The GenericRelation defines a relation with the model "
+                        "'%s', but that model does not have a GenericForeignKey."
+                        % target._meta.label,
+                        obj=self,
+                        id="contenttypes.E004",
+                    )
+                ]
+        else:
+            return []
+
+    def resolve_related_fields(self):
+        self.to_fields = [self.model._meta.pk.name]
+        return [
+            (
+                self.remote_field.model._meta.get_field(self.object_id_field_name),
+                self.model._meta.pk,
+            )
+        ]
+
+    def _get_path_info_with_parent(self, filtered_relation):
+        """
+        Return the path that joins the current model through any parent models.
+        The idea is that if you have a GFK defined on a parent model then we
+        need to join the parent model first, then the child model.
+        """
+        # With an inheritance chain ChildTag -> Tag and Tag defines the
+        # GenericForeignKey, and a TaggedItem model has a GenericRelation to
+        # ChildTag, then we need to generate a join from TaggedItem to Tag
+        # (as Tag.object_id == TaggedItem.pk), and another join from Tag to
+        # ChildTag (as that is where the relation is to). Do this by first
+        # generating a join to the parent model, then generating joins to the
+        # child models.
+        path = []
+        opts = self.remote_field.model._meta.concrete_model._meta
+        parent_opts = opts.get_field(self.object_id_field_name).model._meta
+        target = parent_opts.pk
+        path.append(
+            PathInfo(
+                from_opts=self.model._meta,
+                to_opts=parent_opts,
+                target_fields=(target,),
+                join_field=self.remote_field,
+                m2m=True,
+                direct=False,
+                filtered_relation=filtered_relation,
+            )
+        )
+        # Collect joins needed for the parent -> child chain. This is easiest
+        # to do if we collect joins for the child -> parent chain and then
+        # reverse the direction (call to reverse() and use of
+        # field.remote_field.get_path_info()).
+        parent_field_chain = []
+        while parent_opts != opts:
+            field = opts.get_ancestor_link(parent_opts.model)
+            parent_field_chain.append(field)
+            opts = field.remote_field.model._meta
+        parent_field_chain.reverse()
+        for field in parent_field_chain:
+            path.extend(field.remote_field.path_infos)
+        return path
+
+    def get_path_info(self, filtered_relation=None):
+        opts = self.remote_field.model._meta
+        object_id_field = opts.get_field(self.object_id_field_name)
+        if object_id_field.model != opts.model:
+            return self._get_path_info_with_parent(filtered_relation)
+        else:
+            target = opts.pk
+            return [
+                PathInfo(
+                    from_opts=self.model._meta,
+                    to_opts=opts,
+                    target_fields=(target,),
+                    join_field=self.remote_field,
+                    m2m=True,
+                    direct=False,
+                    filtered_relation=filtered_relation,
+                )
+            ]
+
+    def get_reverse_path_info(self, filtered_relation=None):
+        opts = self.model._meta
+        from_opts = self.remote_field.model._meta
+        return [
+            PathInfo(
+                from_opts=from_opts,
+                to_opts=opts,
+                target_fields=(opts.pk,),
+                join_field=self,
+                m2m=False,
+                direct=False,
+                filtered_relation=filtered_relation,
+            )
+        ]
+
+    def value_to_string(self, obj):
+        qs = getattr(obj, self.name).all()
+        return str([instance.pk for instance in qs])
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        kwargs["private_only"] = True
+        super().contribute_to_class(cls, name, **kwargs)
+        self.model = cls
+        # Disable the reverse relation for fields inherited by subclasses of a
+        # model in multi-table inheritance. The reverse relation points to the
+        # field of the base model.
+        if self.mti_inherited:
+            self.remote_field.related_name = "+"
+            self.remote_field.related_query_name = None
+        setattr(cls, self.name, ReverseGenericManyToOneDescriptor(self.remote_field))
+
+        # Add get_RELATED_order() and set_RELATED_order() to the model this
+        # field belongs to, if the model on the other end of this relation
+        # is ordered with respect to its corresponding GenericForeignKey.
+        if not cls._meta.abstract:
+
+            def make_generic_foreign_order_accessors(related_model, model):
+                if self._is_matching_generic_foreign_key(
+                    model._meta.order_with_respect_to
+                ):
+                    make_foreign_order_accessors(model, related_model)
+
+            lazy_related_operation(
+                make_generic_foreign_order_accessors,
+                self.model,
+                self.remote_field.model,
+            )
+
+    def set_attributes_from_rel(self):
+        pass
+
+    def get_internal_type(self):
+        return "ManyToManyField"
+
+    def get_content_type(self):
+        """
+        Return the content type associated with this field's model.
+        """
+        return ContentType.objects.get_for_model(
+            self.model, for_concrete_model=self.for_concrete_model
+        )
+
+    def get_extra_restriction(self, alias, remote_alias):
+        field = self.remote_field.model._meta.get_field(self.content_type_field_name)
+        contenttype_pk = self.get_content_type().pk
+        lookup = field.get_lookup("exact")(field.get_col(remote_alias), contenttype_pk)
+        return WhereNode([lookup], connector=AND)
+
+    def bulk_related_objects(self, objs, using=DEFAULT_DB_ALIAS):
+        """
+        Return all objects related to ``objs`` via this ``GenericRelation``.
+        """
+        return self.remote_field.model._base_manager.db_manager(using).filter(
+            **{
+                "%s__pk"
+                % self.content_type_field_name: ContentType.objects.db_manager(using)
+                .get_for_model(self.model, for_concrete_model=self.for_concrete_model)
+                .pk,
+                "%s__in" % self.object_id_field_name: [obj.pk for obj in objs],
+            }
+        )
+
+
+class ReverseGenericManyToOneDescriptor(ReverseManyToOneDescriptor):
+    """
+    Accessor to the related objects manager on the one-to-many relation created
+    by GenericRelation.
+
+    In the example::
+
+        class Post(Model):
+            comments = GenericRelation(Comment)
+
+    ``post.comments`` is a ReverseGenericManyToOneDescriptor instance.
+    """
+
+    @cached_property
+    def related_manager_cls(self):
+        return create_generic_related_manager(
+            self.rel.model._default_manager.__class__,
+            self.rel,
+        )
+
+
+def create_generic_related_manager(superclass, rel):
+    """
+    Factory function to create a manager that subclasses another manager
+    (generally the default manager of a given model) and adds behaviors
+    specific to generic relations.
+    """
+
+    class GenericRelatedObjectManager(superclass, AltersData):
+        def __init__(self, instance=None):
+            super().__init__()
+
+            self.instance = instance
+
+            self.model = rel.model
+            self.get_content_type = functools.partial(
+                ContentType.objects.db_manager(instance._state.db).get_for_model,
+                for_concrete_model=rel.field.for_concrete_model,
+            )
+            self.content_type = self.get_content_type(instance)
+            self.content_type_field_name = rel.field.content_type_field_name
+            self.object_id_field_name = rel.field.object_id_field_name
+            self.prefetch_cache_name = rel.field.attname
+            self.pk_val = instance.pk
+
+            self.core_filters = {
+                "%s__pk" % self.content_type_field_name: self.content_type.id,
+                self.object_id_field_name: self.pk_val,
+            }
+
+        def __call__(self, *, manager):
+            manager = getattr(self.model, manager)
+            manager_class = create_generic_related_manager(manager.__class__, rel)
+            return manager_class(instance=self.instance)
+
+        do_not_call_in_templates = True
+
+        def __str__(self):
+            return repr(self)
+
+        def _apply_rel_filters(self, queryset):
+            """
+            Filter the queryset for the instance this manager is bound to.
+            """
+            db = self._db or router.db_for_read(self.model, instance=self.instance)
+            return queryset.using(db).filter(**self.core_filters)
+
+        def _remove_prefetched_objects(self):
+            try:
+                self.instance._prefetched_objects_cache.pop(self.prefetch_cache_name)
+            except (AttributeError, KeyError):
+                pass  # nothing to clear from cache
+
+        def get_queryset(self):
+            try:
+                return self.instance._prefetched_objects_cache[self.prefetch_cache_name]
+            except (AttributeError, KeyError):
+                queryset = super().get_queryset()
+                return self._apply_rel_filters(queryset)
+
+        def get_prefetch_queryset(self, instances, queryset=None):
+            warnings.warn(
+                "get_prefetch_queryset() is deprecated. Use get_prefetch_querysets() "
+                "instead.",
+                RemovedInDjango60Warning,
+                stacklevel=2,
+            )
+            if queryset is None:
+                return self.get_prefetch_querysets(instances)
+            return self.get_prefetch_querysets(instances, [queryset])
+
+        def get_prefetch_querysets(self, instances, querysets=None):
+            if querysets and len(querysets) != 1:
+                raise ValueError(
+                    "querysets argument of get_prefetch_querysets() should have a "
+                    "length of 1."
+                )
+            queryset = querysets[0] if querysets else super().get_queryset()
+            queryset._add_hints(instance=instances[0])
+            queryset = queryset.using(queryset._db or self._db)
+            # Group instances by content types.
+            content_type_queries = [
+                models.Q.create(
+                    [
+                        (f"{self.content_type_field_name}__pk", content_type_id),
+                        (f"{self.object_id_field_name}__in", {obj.pk for obj in objs}),
+                    ]
+                )
+                for content_type_id, objs in itertools.groupby(
+                    sorted(instances, key=lambda obj: self.get_content_type(obj).pk),
+                    lambda obj: self.get_content_type(obj).pk,
+                )
+            ]
+            query = models.Q.create(content_type_queries, connector=models.Q.OR)
+            # We (possibly) need to convert object IDs to the type of the
+            # instances' PK in order to match up instances:
+            object_id_converter = instances[0]._meta.pk.to_python
+            content_type_id_field_name = "%s_id" % self.content_type_field_name
+            return (
+                queryset.filter(query),
+                lambda relobj: (
+                    object_id_converter(getattr(relobj, self.object_id_field_name)),
+                    getattr(relobj, content_type_id_field_name),
+                ),
+                lambda obj: (obj.pk, self.get_content_type(obj).pk),
+                False,
+                self.prefetch_cache_name,
+                False,
+            )
+
+        def add(self, *objs, bulk=True):
+            self._remove_prefetched_objects()
+            db = router.db_for_write(self.model, instance=self.instance)
+
+            def check_and_update_obj(obj):
+                if not isinstance(obj, self.model):
+                    raise TypeError(
+                        "'%s' instance expected, got %r"
+                        % (self.model._meta.object_name, obj)
+                    )
+                setattr(obj, self.content_type_field_name, self.content_type)
+                setattr(obj, self.object_id_field_name, self.pk_val)
+
+            if bulk:
+                pks = []
+                for obj in objs:
+                    if obj._state.adding or obj._state.db != db:
+                        raise ValueError(
+                            "%r instance isn't saved. Use bulk=False or save "
+                            "the object first." % obj
+                        )
+                    check_and_update_obj(obj)
+                    pks.append(obj.pk)
+
+                self.model._base_manager.using(db).filter(pk__in=pks).update(
+                    **{
+                        self.content_type_field_name: self.content_type,
+                        self.object_id_field_name: self.pk_val,
+                    }
+                )
+            else:
+                with transaction.atomic(using=db, savepoint=False):
+                    for obj in objs:
+                        check_and_update_obj(obj)
+                        obj.save()
+
+        add.alters_data = True
+
+        async def aadd(self, *objs, bulk=True):
+            return await sync_to_async(self.add)(*objs, bulk=bulk)
+
+        aadd.alters_data = True
+
+        def remove(self, *objs, bulk=True):
+            if not objs:
+                return
+            self._clear(self.filter(pk__in=[o.pk for o in objs]), bulk)
+
+        remove.alters_data = True
+
+        async def aremove(self, *objs, bulk=True):
+            return await sync_to_async(self.remove)(*objs, bulk=bulk)
+
+        aremove.alters_data = True
+
+        def clear(self, *, bulk=True):
+            self._clear(self, bulk)
+
+        clear.alters_data = True
+
+        async def aclear(self, *, bulk=True):
+            return await sync_to_async(self.clear)(bulk=bulk)
+
+        aclear.alters_data = True
+
+        def _clear(self, queryset, bulk):
+            self._remove_prefetched_objects()
+            db = router.db_for_write(self.model, instance=self.instance)
+            queryset = queryset.using(db)
+            if bulk:
+                # `QuerySet.delete()` creates its own atomic block which
+                # contains the `pre_delete` and `post_delete` signal handlers.
+                queryset.delete()
+            else:
+                with transaction.atomic(using=db, savepoint=False):
+                    for obj in queryset:
+                        obj.delete()
+
+        _clear.alters_data = True
+
+        def set(self, objs, *, bulk=True, clear=False):
+            # Force evaluation of `objs` in case it's a queryset whose value
+            # could be affected by `manager.clear()`. Refs #19816.
+            objs = tuple(objs)
+
+            db = router.db_for_write(self.model, instance=self.instance)
+            with transaction.atomic(using=db, savepoint=False):
+                if clear:
+                    self.clear()
+                    self.add(*objs, bulk=bulk)
+                else:
+                    old_objs = set(self.using(db).all())
+                    new_objs = []
+                    for obj in objs:
+                        if obj in old_objs:
+                            old_objs.remove(obj)
+                        else:
+                            new_objs.append(obj)
+
+                    self.remove(*old_objs)
+                    self.add(*new_objs, bulk=bulk)
+
+        set.alters_data = True
+
+        async def aset(self, objs, *, bulk=True, clear=False):
+            return await sync_to_async(self.set)(objs, bulk=bulk, clear=clear)
+
+        aset.alters_data = True
+
+        def create(self, **kwargs):
+            self._remove_prefetched_objects()
+            kwargs[self.content_type_field_name] = self.content_type
+            kwargs[self.object_id_field_name] = self.pk_val
+            db = router.db_for_write(self.model, instance=self.instance)
+            return super().using(db).create(**kwargs)
+
+        create.alters_data = True
+
+        async def acreate(self, **kwargs):
+            return await sync_to_async(self.create)(**kwargs)
+
+        acreate.alters_data = True
+
+        def get_or_create(self, **kwargs):
+            kwargs[self.content_type_field_name] = self.content_type
+            kwargs[self.object_id_field_name] = self.pk_val
+            db = router.db_for_write(self.model, instance=self.instance)
+            return super().using(db).get_or_create(**kwargs)
+
+        get_or_create.alters_data = True
+
+        async def aget_or_create(self, **kwargs):
+            return await sync_to_async(self.get_or_create)(**kwargs)
+
+        aget_or_create.alters_data = True
+
+        def update_or_create(self, **kwargs):
+            kwargs[self.content_type_field_name] = self.content_type
+            kwargs[self.object_id_field_name] = self.pk_val
+            db = router.db_for_write(self.model, instance=self.instance)
+            return super().using(db).update_or_create(**kwargs)
+
+        update_or_create.alters_data = True
+
+        async def aupdate_or_create(self, **kwargs):
+            return await sync_to_async(self.update_or_create)(**kwargs)
+
+        aupdate_or_create.alters_data = True
+
+    return GenericRelatedObjectManager
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/forms.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/forms.py
new file mode 100644
index 00000000..c0ff4f72
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/forms.py
@@ -0,0 +1,133 @@
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+from django.forms import ModelForm, modelformset_factory
+from django.forms.models import BaseModelFormSet
+
+
+class BaseGenericInlineFormSet(BaseModelFormSet):
+    """
+    A formset for generic inline objects to a parent.
+    """
+
+    def __init__(
+        self,
+        data=None,
+        files=None,
+        instance=None,
+        save_as_new=False,
+        prefix=None,
+        queryset=None,
+        **kwargs,
+    ):
+        opts = self.model._meta
+        self.instance = instance
+        self.rel_name = (
+            opts.app_label
+            + "-"
+            + opts.model_name
+            + "-"
+            + self.ct_field.name
+            + "-"
+            + self.ct_fk_field.name
+        )
+        self.save_as_new = save_as_new
+        if self.instance is None or self.instance.pk is None:
+            qs = self.model._default_manager.none()
+        else:
+            if queryset is None:
+                queryset = self.model._default_manager
+            qs = queryset.filter(
+                **{
+                    self.ct_field.name: ContentType.objects.get_for_model(
+                        self.instance, for_concrete_model=self.for_concrete_model
+                    ),
+                    self.ct_fk_field.name: self.instance.pk,
+                }
+            )
+        super().__init__(queryset=qs, data=data, files=files, prefix=prefix, **kwargs)
+
+    def initial_form_count(self):
+        if self.save_as_new:
+            return 0
+        return super().initial_form_count()
+
+    @classmethod
+    def get_default_prefix(cls):
+        opts = cls.model._meta
+        return (
+            opts.app_label
+            + "-"
+            + opts.model_name
+            + "-"
+            + cls.ct_field.name
+            + "-"
+            + cls.ct_fk_field.name
+        )
+
+    def save_new(self, form, commit=True):
+        setattr(
+            form.instance,
+            self.ct_field.get_attname(),
+            ContentType.objects.get_for_model(self.instance).pk,
+        )
+        setattr(form.instance, self.ct_fk_field.get_attname(), self.instance.pk)
+        return form.save(commit=commit)
+
+
+def generic_inlineformset_factory(
+    model,
+    form=ModelForm,
+    formset=BaseGenericInlineFormSet,
+    ct_field="content_type",
+    fk_field="object_id",
+    fields=None,
+    exclude=None,
+    extra=3,
+    can_order=False,
+    can_delete=True,
+    max_num=None,
+    formfield_callback=None,
+    validate_max=False,
+    for_concrete_model=True,
+    min_num=None,
+    validate_min=False,
+    absolute_max=None,
+    can_delete_extra=True,
+):
+    """
+    Return a ``GenericInlineFormSet`` for the given kwargs.
+
+    You must provide ``ct_field`` and ``fk_field`` if they are different from
+    the defaults ``content_type`` and ``object_id`` respectively.
+    """
+    opts = model._meta
+    # if there is no field called `ct_field` let the exception propagate
+    ct_field = opts.get_field(ct_field)
+    if (
+        not isinstance(ct_field, models.ForeignKey)
+        or ct_field.remote_field.model != ContentType
+    ):
+        raise Exception("fk_name '%s' is not a ForeignKey to ContentType" % ct_field)
+    fk_field = opts.get_field(fk_field)  # let the exception propagate
+    exclude = [*(exclude or []), ct_field.name, fk_field.name]
+    FormSet = modelformset_factory(
+        model,
+        form=form,
+        formfield_callback=formfield_callback,
+        formset=formset,
+        extra=extra,
+        can_delete=can_delete,
+        can_order=can_order,
+        fields=fields,
+        exclude=exclude,
+        max_num=max_num,
+        validate_max=validate_max,
+        min_num=min_num,
+        validate_min=validate_min,
+        absolute_max=absolute_max,
+        can_delete_extra=can_delete_extra,
+    )
+    FormSet.ct_field = ct_field
+    FormSet.ct_fk_field = fk_field
+    FormSet.for_concrete_model = for_concrete_model
+    return FormSet
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..69309f8b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/af/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..84dfccf3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-01-04 18:49+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>\n"
+"Language-Team: Afrikaans (http://www.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Inhoudtipes"
+
+msgid "python model class name"
+msgstr "python-modelklasnaam"
+
+msgid "content type"
+msgstr "inhoudtipe"
+
+msgid "content types"
+msgstr "inhoudtipes"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Inhoudtipe %(ct_id)s-objek het geen geassosieerde model nie"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Inhoudtipe %(ct_id)s-objek %(obj_id)s bestaan nie"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s-objekte het nie 'n get_absolute_url()-metode nie"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..612d4a03
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..afebdd78
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# AlMeer <mohammad.almeer@gmail.com>, 2014
+# Muaaz Alsaied, 2020
+# صفا الفليج <safaalfulaij@hotmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-04-06 19:57+0000\n"
+"Last-Translator: صفا الفليج <safaalfulaij@hotmail.com>\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Content Types"
+msgstr "أنواع المحتوى"
+
+msgid "python model class name"
+msgstr "اسم صنف النموذج في بايثون"
+
+msgid "content type"
+msgstr "نوع المحتوى"
+
+msgid "content types"
+msgstr "أنواع المحتوى"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "ليس لكائن نوع المحتوى %(ct_id)s أيّ نموذج مرتبط"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "كائن نوع المحتوى %(ct_id)s بالمعرّف %(obj_id)s غير موجود"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "ليس لكائنات %(ct_name)s الدالة التابِعة get_absolute_url()‎"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fc230caf
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar_DZ/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..276a4d46
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-14 18:35+0000\n"
+"Last-Translator: Riterix <infosrabah@gmail.com>\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Content Types"
+msgstr "نوع المحتوى"
+
+msgid "python model class name"
+msgstr "اسم صنف النموذج في python"
+
+msgid "content type"
+msgstr "نوع البيانات"
+
+msgid "content types"
+msgstr "أنواع البيانات"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "لا يوجد كائن مرتبط بنوع البيانات %(ct_id)s ."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "نوع المحتوى %(ct_id)s الكائن %(obj_id)s غير موجود"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s كائن لا يحتوي على دالة get_absolute_url() ."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a91316d6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ast/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9e00e7bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-20 02:41+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "nome de modelu de clas python"
+
+msgid "content type"
+msgstr "triba de conteníu"
+
+msgid "content types"
+msgstr "tribes de conteníu"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cac6053d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/az/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..993c1072
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Emin Mastizada <emin@linux.com>, 2020
+# Emin Mastizada <emin@linux.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-12 07:28+0000\n"
+"Last-Translator: Emin Mastizada <emin@linux.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Məzmun Növləri"
+
+msgid "python model class name"
+msgstr "python modelinin sinif (class) adı"
+
+msgid "content type"
+msgstr "məzmun tipi"
+
+msgid "content types"
+msgstr "məzmun tipləri"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "%(ct_id)s Məzmun növü obyektinə bağlı model yoxdur"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "%(ct_id)s məzmun növlü %(obj_id)s obyekti mövcut deyil"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s obyektlərinin get_absolute_url() metodu yoxdur"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6ffe7993
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/be/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1b869da7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2015
+# znotdead <zhirafchik@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-10-16 18:24+0000\n"
+"Last-Translator: znotdead <zhirafchik@gmail.com>\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Content Types"
+msgstr "Тыпы кантэнту"
+
+msgid "python model class name"
+msgstr "назва клясы пітонавае мадэлі"
+
+msgid "content type"
+msgstr "від зьмесьціва"
+
+msgid "content types"
+msgstr "віды зьмесьціва"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Аб’ект са зьмесьцівам віду %(ct_id)s не зьвязалі з мадэльлю"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Аб’ект %(obj_id)s са зьмесьцівам віду %(ct_id)s не існуе"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Аб’екты %(ct_name)s ня маюць спосабу «get_absolute_url()»"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..20e9b668
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9169509a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# arneatec <arneatec@gmail.com>, 2022
+# Boris Chervenkov <office@sentido.bg>, 2012
+# Georgi Kostadinov <grgkostadinov@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# vestimir <vestimir@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2022-01-13 18:20+0000\n"
+"Last-Translator: arneatec <arneatec@gmail.com>\n"
+"Language-Team: Bulgarian (http://www.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Типове съдържание"
+
+msgid "python model class name"
+msgstr "име на класа на модела в Python"
+
+msgid "content type"
+msgstr "тип на съдържанието"
+
+msgid "content types"
+msgstr "типове съдържание"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Обект с тип на съдържанието %(ct_id)s няма асоцииран модел."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Обект %(obj_id)s с тип на съдържанието %(ct_id)s не съществува."
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s обекти нямат метода get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4a2a89a5
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..01f8cb1b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tahmid Rafi <rafi.tahmid@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Tahmid Rafi <rafi.tahmid@gmail.com>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "কনটেন্ট টাইপসমূহ"
+
+msgid "python model class name"
+msgstr "পাইথন মডেল ক্লাসের নাম"
+
+msgid "content type"
+msgstr "কনটেন্ট টাইপ"
+
+msgid "content types"
+msgstr "কনটেন্ট টাইপ সমূহ"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "কনটেন্ট টাইপ %(ct_id)s অবজেক্টের সাথে সংযুক্ত কোনো মডেল নেই"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s অবজেক্টের কোনো get_absolute_url() মেথড নেই"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ebb4b380
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..15a3dfde
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Irriep Nala Novram <allannkorh@yahoo.fr>, 2018-2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-03-12 14:31+0000\n"
+"Last-Translator: Irriep Nala Novram <allannkorh@yahoo.fr>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "Content Types"
+msgstr "Doareoù endalc'had"
+
+msgid "python model class name"
+msgstr "anv klas model python"
+
+msgid "content type"
+msgstr "doare endalc'had"
+
+msgid "content types"
+msgstr "doareoù endalc'had"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Doare endalc'had an objed %(ct_id)s n'eus tamm skouer kevelet gantañ"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Doare endalc'had %(ct_id)s an objed %(obj_id)s n'eus ket anezhañ"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "An objedoù %(ct_name)s n'o deus ket un hentenn get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8206fb84
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d8a69a55
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "ime python klase modela"
+
+msgid "content type"
+msgstr "tip sadržaja"
+
+msgid "content types"
+msgstr "tipovi sadržaja"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2a67471a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ca/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5d6f7f3c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carles Barrobés <carles@barrobes.com>, 2012,2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Manel Clos <manelclos@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-04-28 20:05+0000\n"
+"Last-Translator: Manel Clos <manelclos@gmail.com>\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipus de Contingut"
+
+msgid "python model class name"
+msgstr "nom de la classe del model en python"
+
+msgid "content type"
+msgstr "tipus de contingut"
+
+msgid "content types"
+msgstr "tipus de continguts"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "L'objecte del tipus de contingut %(ct_id)s no té un model associat"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "L'objecte %(obj_id)s del tipus de contingut %(ct_id)s no existeix"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Els objectes %(ct_name)s no tenen el mètode get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..866e8edc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6bd611de
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Swara <swara09@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-04-24 19:22+0000\n"
+"Last-Translator: Swara <swara09@gmail.com>, 2022\n"
+"Language-Team: Central Kurdish (http://www.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "جۆرەکانی ناوەڕۆک"
+
+msgid "python model class name"
+msgstr "ناوی پۆلی مۆدێلی پایسۆن"
+
+msgid "content type"
+msgstr "جۆری ناوەڕۆک"
+
+msgid "content types"
+msgstr "جۆرەکانی ناوەڕۆک"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "ئۆبجێکی جۆری ناوەڕۆکی %(ct_id)s هیچ مۆدێلێکی پەیوەستکراوی نییە"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "جۆری ناوەڕۆکی %(ct_id)s ئۆبجێکتی %(obj_id)s بوونی نیە"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "ئۆبجێکتەکانی %(ct_name)s ڕێچکەی get_absolute_url() ی نیە"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f0ac28e3
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d327a5ec
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2012,2014
+# Vláďa Macek <macek@sandbox.cz>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-19 09:23+0000\n"
+"Last-Translator: Vláďa Macek <macek@sandbox.cz>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Content Types"
+msgstr "Typy obsahu"
+
+msgid "python model class name"
+msgstr "název třídy modelu v Pythonu"
+
+msgid "content type"
+msgstr "typ obsahu"
+
+msgid "content types"
+msgstr "typy obsahu"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Typ obsahu %(ct_id)s nemá přidružený model."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Objekt %(obj_id)s typu obsahu %(ct_id)s neexistuje."
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objektům typu %(ct_name)s chybí metoda get_absolute_url()."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d72e9756
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9b868d2b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Maredudd ap Gwyndaf <maredudd@maredudd.com>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Content Types"
+msgstr "Mathau Cynnwys"
+
+msgid "python model class name"
+msgstr "end dosbarth model python"
+
+msgid "content type"
+msgstr "math cynnwys"
+
+msgid "content types"
+msgstr "mathau cynnwys"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Does dim model cysylltiedig gyda gwrthrych math cynnwys %(ct_id)s"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Nid ydy gwrthrych %(obj_id)s math cynnwys %(ct_id)s yn bodoli"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "Does dim swyddogaeth get_absolute_url() gyda'r gwrthrych %(ct_name)s"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5f5511b9
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f10de28f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Erik Wognsen <r4mses@gmail.com>, 2014,2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kristian Øllegaard <kristian@oellegaard.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-17 18:00+0000\n"
+"Last-Translator: Erik Wognsen <r4mses@gmail.com>\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Indholdstyper"
+
+msgid "python model class name"
+msgstr "klassenavn i Python-model"
+
+msgid "content type"
+msgstr "indholdstype"
+
+msgid "content types"
+msgstr "indholdstyper"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Indholdstype %(ct_id)s-objekt har ingen tilhørende model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Indholdstype %(ct_id)s-objekt %(obj_id)s findes ikke"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr " %(ct_name)s-objekter har ikke en get_absolute_url()-metode"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c098e03a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8d50c70a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Hagenbruch, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011,2013-2014,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-17 22:43+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Inhaltstypen"
+
+msgid "python model class name"
+msgstr "Python Modell-Klassenname"
+
+msgid "content type"
+msgstr "Inhaltstyp"
+
+msgid "content types"
+msgstr "Inhaltstypen"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objekt des Inhaltstyps %(ct_id)s hat kein dazugehöriges Modell"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Objekt %(obj_id)s des Inhaltstyps %(ct_id)s ist nicht vorhanden"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr " %(ct_name)s Objekte haben keine get_absolute_url ()-Methode"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3ecc0644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fa401653
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-02-25 16:03+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Content Types"
+msgstr "Wopśimjeśowe typy"
+
+msgid "python model class name"
+msgstr "klasowe mě pythonowe modela"
+
+msgid "content type"
+msgstr "wopśimjeśowy typ"
+
+msgid "content types"
+msgstr "wopśimjeśowe typy"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objekt wopśimjeśowego typa %(ct_id)s njama zwězany model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Objekt %(obj_id)s wopśimjeśowego typa %(ct_id)s njeeksistěrujo"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objekty %(ct_name)s njamaju metodu get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d49b9f65
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fc107e8f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nikolas Demiridis <nikolas@demiridis.gr>, 2014
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+# Pãnoș <panos.laganakos@gmail.com>, 2016,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-04 07:05+0000\n"
+"Last-Translator: Pãnoș <panos.laganakos@gmail.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Τύποι Περιεχομένου"
+
+msgid "python model class name"
+msgstr "όνομα κλάσης μοντέλου python"
+
+msgid "content type"
+msgstr "τύπος περιεχομένου"
+
+msgid "content types"
+msgstr "τύποι περιεχομένου"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+"Το αντικείμενο %(ct_id)s τύπου περιεχομένου δεν έχει συσχετισμένο μοντέλο"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Το αντικείμενο %(obj_id)s τύπου περιεχομένου %(ct_id)s δεν υπάρχει"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "τα αντικείμενα %(ct_name)s δεν έχουν μέθοδο get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cee02371
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: contrib/contenttypes/apps.py:16
+msgid "Content Types"
+msgstr ""
+
+#: contrib/contenttypes/models.py:135
+msgid "python model class name"
+msgstr ""
+
+#: contrib/contenttypes/models.py:139
+msgid "content type"
+msgstr ""
+
+#: contrib/contenttypes/models.py:140
+msgid "content types"
+msgstr ""
+
+#: contrib/contenttypes/views.py:18
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#: contrib/contenttypes/views.py:24
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr ""
+
+#: contrib/contenttypes/views.py:32
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fcc2fc51
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..19d5c16d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:11+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/projects/p/"
+"django/language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr ""
+
+msgid "content type"
+msgstr ""
+
+msgid "content types"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f4b2043e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7e385be1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# jon_atkinson <jon@jonatkinson.co.uk>, 2011
+# Ross Poulton <ross@rossp.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "python model class name"
+
+msgid "content type"
+msgstr "content type"
+
+msgid "content types"
+msgstr "content types"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Content type %(ct_id)s object has no associated model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s objects don't have a get_absolute_url() method"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..152620e6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f64e0fac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2014
+# Meiyer <interdist+translations@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2022-04-24 19:22+0000\n"
+"Last-Translator: Meiyer <interdist+translations@gmail.com>, 2022\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Enhavaj tipoj"
+
+msgid "python model class name"
+msgstr "klasa nomo de pitona modelo"
+
+msgid "content type"
+msgstr "enhava tipo"
+
+msgid "content types"
+msgstr "enhavaj tipoj"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objekto kun enhava tipo %(ct_id)s ne havas modelojn asociitajn kun ĝi"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Objekto %(obj_id)s kun enhava tipo %(ct_id)s ne ekzistas"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objektoj %(ct_name)s ne havas metodon get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5bdc5a24
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dd7398ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Josue Naaman Nistal Guerra <josuenistal@hotmail.com>, 2014
+# Uriel Medina <urimeba511@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-09-25 17:13+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de contenido"
+
+msgid "python model class name"
+msgstr "nombre de la clase modelo de python"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "content types"
+msgstr "tipos de contenido"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+"El objeto de tipo de contenido %(ct_id)s  no tiene ningún modelo asociado."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "El tipo de contenido %(ct_id)s del objeto %(obj_id)s no existe"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s objetos no tienen un método get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..12eec9cc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_AR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d048560c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2012,2014-2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-10-01 10:21+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Spanish (Argentina) (http://www.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de Contenido"
+
+msgid "python model class name"
+msgstr "nombre de la clase Python del modelo"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "content types"
+msgstr "tipos de contenido"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "El objeto Tipo de contenido %(ct_id)s no tiene un modelo asociado"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "El objeto Tipo de contenido %(ct_id)s %(obj_id)s no existe"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Los objetos %(ct_name)s no tienen un método get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..66b76315
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e386b5cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carlos Muñoz <cmuozdiaz@outlook.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-20 03:01+0000\n"
+"Last-Translator: Carlos Muñoz <cmuozdiaz@outlook.com>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de contenido"
+
+msgid "python model class name"
+msgstr "nombre de la clase modelo de python"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "content types"
+msgstr "tipos de contenido"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+"El objeto de tipo de contenido %(ct_id)s no tiene ningún modelo asociado."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "El objeto de tipo de contenido %(ct_id)s objeto %(obj_id)s no existe"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "El objeto %(ct_name)s no tiene un método get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..13611686
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..905c9eac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abe Estrada, 2011-2012
+# Jesús Bautista <jesbam98@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-25 05:47+0000\n"
+"Last-Translator: Jesús Bautista <jesbam98@gmail.com>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de Contenido"
+
+msgid "python model class name"
+msgstr "nombre de la clase python del modelo"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "content types"
+msgstr "tipos de contenido"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+"Los objetos con el tipo de contenido %(ct_id)s no tienen un modelo asociado"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..78ad5f81
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_VE/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e86c178e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eduardo <edos21@gmail.com>, 2017
+# Yoel Acevedo, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-20 03:01+0000\n"
+"Last-Translator: Eduardo <edos21@gmail.com>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/django/django/"
+"language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de contenido"
+
+msgid "python model class name"
+msgstr "nombre de la clase del modelo de python"
+
+msgid "content type"
+msgstr "tipo de contenido"
+
+msgid "content types"
+msgstr "tipos de contenido"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+"El objeto de tipo de contenido %(ct_id)s  no tiene ningún modelo asociado"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "El objeto de tipo de contenido %(ct_id)s objeto %(obj_id)s no existe"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "El objeto %(ct_name)s no tiene un método get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e4ec0198
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d90ea9a2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2013
+# Marti Raudsepp <marti@juffo.org>, 2014
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-28 01:46+0000\n"
+"Last-Translator: Ragnar Rebase <rrebase@gmail.com>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Sisutüübid"
+
+msgid "python model class name"
+msgstr "pythoni mudeli klassinimi"
+
+msgid "content type"
+msgstr "sisutüüp"
+
+msgid "content types"
+msgstr "sisutüübid"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Sisutüübi %(ct_id)s objektil puudub seos mudeliga"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Sisutüübi %(ct_id)s objekti %(obj_id)s pole olemas"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s objektidel pole get_absolute_url() meetodit"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5883d06a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..07146e9f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aitzol Naberan <anaberan@codesyntax.com>, 2012
+# Eneko Illarramendi <eneko@illarra.com>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Eneko Illarramendi <eneko@illarra.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Eduki Motak"
+
+msgid "python model class name"
+msgstr "python model class izena"
+
+msgid "content type"
+msgstr "eduki mota"
+
+msgid "content types"
+msgstr "eduki motak"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "%(ct_id)s eduki motak ez dauka lotutako eredurik"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "%(ct_id)s eduki motako %(obj_id)s objekturik ez da existitzen"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s objektuek ez daukate get_absolute_url() metodorik"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c11cd46a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f4bea178
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Nikneshan <ali@nikneshan.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# rahim agh <rahim.aghareb@gmail.com>, 2020
+# Reza Mohammadi <reza@teeleh.ir>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-27 09:31+0000\n"
+"Last-Translator: rahim agh <rahim.aghareb@gmail.com>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Content Types"
+msgstr "نوع‌های محتوا"
+
+msgid "python model class name"
+msgstr "نام پایتونی کلاس مدل"
+
+msgid "content type"
+msgstr "نوع محتوا"
+
+msgid "content types"
+msgstr "نوع‌های محتوا"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "نوع محتوای %(ct_id)s به هیچ مدلی مرتبط نشده است"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "شیء %(obj_id)s از نمونه محتوای %(ct_id)s وجود ندارد"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "شیء %(ct_name)s متد get_absolute_url() را ندارد"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af15679a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ea4db912
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Klaus Dahlén <klaus.dahlen@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-12-09 06:31+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Sisältötyypit"
+
+msgid "python model class name"
+msgstr "mallin python-luokan nimi"
+
+msgid "content type"
+msgstr "sisältötyyppi"
+
+msgid "content types"
+msgstr "sisältötyypit"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Sisältötyypin %(ct_id)s objektiin ei ole liitetty mallia"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Sisältötyypin %(ct_id)s objektia %(obj_id)s ei ole olemassa"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s-objekteilla ei ole get_absolute_url()-metodia"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2de1e4ac
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2f355d12
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2014,2019
+# Claude Paroz <claude@2xlibre.net>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 15:50+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Content Types"
+msgstr "Types de contenus"
+
+msgid "python model class name"
+msgstr "nom de la classe python du modèle"
+
+msgid "content type"
+msgstr "type de contenu"
+
+msgid "content types"
+msgstr "types de contenu"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "L'objet type de contenu %(ct_id)s n'a pas de modèle associé"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "L'objet %(obj_id)s du type de contenu %(ct_id)s n’existe pas"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Les objets %(ct_name)s n’ont pas de méthode get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..489bbab4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6e549c36
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr ""
+
+msgid "content type"
+msgstr ""
+
+msgid "content types"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6b0363a8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ga/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..86411901
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luke Blaney <transifex@lukeblaney.co.uk>, 2019
+# Michael Thornhill <michael@maithu.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-06-22 21:48+0000\n"
+"Last-Translator: Luke Blaney <transifex@lukeblaney.co.uk>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Content Types"
+msgstr "Cineál Inneachair"
+
+msgid "python model class name"
+msgstr "píotón samhail aicme ainm"
+
+msgid "content type"
+msgstr "tíopa inneachar "
+
+msgid "content types"
+msgstr "tíopaI inneachair"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Ní bhaineann samhail leis an cineál inneachar %(ct_id)s"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Níl cineál inneachar %(ct_id)s oibiacht %(obj_id)s ann"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "Níl modh get_absolute_url() ag %(ct_name)s oibiachtaí"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..05d9bafe
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..825730b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-13 12:51+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Content Types"
+msgstr "Seòrsaichean susbainte"
+
+msgid "python model class name"
+msgstr "ainm clas air modail python"
+
+msgid "content type"
+msgstr "seòrsa susbainte"
+
+msgid "content types"
+msgstr "seòrsaichean susbainte"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+"Chan eil modail co-cheangailte ris an oibseact le seòrsa susbaint %(ct_id)s"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Chan eil an oibseact %(obj_id)s le seòrsa susbaint %(ct_id)s ann"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Chan eil am modh get_absolute_url() aig na h-oibseactan %(ct_name)s"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5ecd3434
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..18f962ef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fonso <fonzzo@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-04-24 19:22+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de Contido"
+
+msgid "python model class name"
+msgstr "nome en Python da clase do modelo"
+
+msgid "content type"
+msgstr "tipo de contido"
+
+msgid "content types"
+msgstr "tipos de contido"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "O obxecto de tipo de contido %(ct_id)s non ten un modelo asociado"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "O obxecto %(obj_id)s con tipo de contido %(ct_id)s non existe"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Os obxectos %(ct_name)s non teñen un método get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0bcdcd3b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/he/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..43bd82ee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2012,2014,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-08-02 13:30+0000\n"
+"Last-Translator: Meir Kriheli <mkriheli@gmail.com>\n"
+"Language-Team: Hebrew (http://www.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Content Types"
+msgstr "סוגי תוכן"
+
+msgid "python model class name"
+msgstr "שם ה־class של מודל פייתון"
+
+msgid "content type"
+msgstr "סוג תוכן"
+
+msgid "content types"
+msgstr "סוגי תוכן"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "לא משוייך מודל לאובייקט מסוג התוכן  %(ct_id)s"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "סוג תוכן %(ct_id)s אובייקט %(obj_id)s אינו קיים"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "אובייקטי %(ct_name)s אינם כוללים מתודת get_absolute_url()‎"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4af5d95d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aabdaf45
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chandan kumar <chandankumar.093047@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "पैथॉन मॉडल क्लास नाम"
+
+msgid "content type"
+msgstr "विषय-सूची प्रकार"
+
+msgid "content types"
+msgstr "विषय-सूचियाँ प्रकार"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "सामग्री प्रकार के  %(ct_id)s ऑब्जेक्ट कोई संबद्ध मॉडल नहीं है।"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "सामग्री प्रकार %(ct_id)s वस्तु %(obj_id)s मौजूद नहीं है."
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s वस्तुओं की get_absolute_url() विधि नहीं है."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1fa258e5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8acf7e8c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bojan Mihelač <bmihelac@mihelac.org>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Mislav Cimperšak <mislav.cimpersak@gmail.com>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Content Types"
+msgstr "Tipovi sadržaja"
+
+msgid "python model class name"
+msgstr "ime klase (class) python modela"
+
+msgid "content type"
+msgstr "tip sadržaja"
+
+msgid "content types"
+msgstr "tipovi sadržaja"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Tip sadržaja %(ct_id)s objekt nema pridruženi model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Tip sadržaja %(ct_id)s objekt  %(obj_id)s ne postoji"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s objekti nemaju get_absolute_url() metodu"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..349357fd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a0f3feb5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-21 19:25+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Content Types"
+msgstr "Wobsahowe typy"
+
+msgid "python model class name"
+msgstr "klasowe mjeno pythonoweho modela"
+
+msgid "content type"
+msgstr "wobsahowy typ"
+
+msgid "content types"
+msgstr "wobsahowe typy"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objekt wobsahoweho typa %(ct_id)s nima zwjazany model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Objekt %(obj_id)s wobsahoweho typa %(ct_id)s njeeksistuje"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objekty %(ct_name)s nimaja metodu get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ece0a5eb
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7c4a8000
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016
+# Attila Nagy <>, 2012
+# Istvan Farkas <istvan.farkas@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-18 09:29+0000\n"
+"Last-Translator: Istvan Farkas <istvan.farkas@gmail.com>\n"
+"Language-Team: Hungarian (http://www.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tartalom típusok"
+
+msgid "python model class name"
+msgstr "python modell osztály neve"
+
+msgid "content type"
+msgstr "tartalom típusa"
+
+msgid "content types"
+msgstr "tartalom típusok"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "A %(ct_id)s tartalomtípus-objektumhoz nincsenek modellek hozzárendelve"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "A(z) %(ct_id)s típusú %(obj_id)s objektum nem létezik"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr ""
+"%(ct_name)s objektumok esetén nincs beállítva a get_absolute_url() metódus."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a62ddff2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..63b9e935
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-11-01 20:28+0000\n"
+"Last-Translator: Ruben Harutyunov <rharutyunov@mail.ru>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Պարունակության տիպեր"
+
+msgid "python model class name"
+msgstr "python մոդելի դասի անուն"
+
+msgid "content type"
+msgstr "պարունակության տիպ"
+
+msgid "content types"
+msgstr "պարունակության տիպեր"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Պարունակության տիպ %(ct_id)s օբյեկտը չունի իր հետ կապված մոդել"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Պարունակության տիպ %(ct_id)s %(obj_id)s օբյեկտը գոյություն չունի"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s օբյեկտները չունեն get_absolute_url() մեթոդ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2eec9aad
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cf2a5e46
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2012,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-12-24 19:22+0000\n"
+"Last-Translator: Martijn Dekker <mcdutchie@hotmail.com>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Typos de contento"
+
+msgid "python model class name"
+msgstr "nomine del classe del modello Python"
+
+msgid "content type"
+msgstr "typo de contento"
+
+msgid "content types"
+msgstr "typos de contento"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Le objecto del typo de contento %(ct_id)s non ha un modello associate"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Le objecto %(obj_id)s del typo de contento %(ct_id)s non existe"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objectos %(ct_name)s non ha un methodo get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ea0373ef
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c6db9d47
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# M Asep Indrayana <me@drayanaindra.com>, 2015
+# rodin <romihardiyanto@gmail.com>, 2011-2012
+# rodin <romihardiyanto@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-02-06 02:33+0000\n"
+"Last-Translator: Fery Setiawan <gembelweb@gmail.com>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "Jenis Konten"
+
+msgid "python model class name"
+msgstr "nama kelas model python"
+
+msgid "content type"
+msgstr "tipe konten"
+
+msgid "content types"
+msgstr "tipe konten"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Tipe konten objek %(ct_id)s tidak memiliki model yang terkait"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Jenis isi %(ct_id)s object %(obj_id)s tidak ada"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "objek %(ct_name)s tidak memiliki metode get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0b6b1237
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b70d8d6f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viko Bartero <inactive+tergrundo@transifex.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-20 01:58+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/django/django/language/io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "klaso nomo dil python modelo"
+
+msgid "content type"
+msgstr "kontenajo tipo"
+
+msgid "content types"
+msgstr "kontenajo tipi"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "La objekto kun kontenajo tipo %(ct_id)s ne havas relatita modelo"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "La objekto %(obj_id)s kun kontenajo tipo %(ct_id)s ne existas"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "La objekti %(ct_name)s ne havas get_absolute_url() metodo"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..97eb95ca
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a691279f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hafsteinn Einarsson <haffi67@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thordur Sigurdsson <thordur@ja.is>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-20 05:05+0000\n"
+"Last-Translator: Thordur Sigurdsson <thordur@ja.is>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Content Types"
+msgstr "Efnistög"
+
+msgid "python model class name"
+msgstr "python eininga klasa nafn"
+
+msgid "content type"
+msgstr "efnistag"
+
+msgid "content types"
+msgstr "efnistög"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Gerð innihalds %(ct_id)s hefur ekkert tengt módel"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Gerð innihalds %(ct_id)s hlutar %(obj_id)s er ekki til"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s hlutir hafa ekki get_absolute_url () aðferð"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dcdb6404
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8984cb0d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marco Bonetti, 2014
+# Mirco Grillo <mirco.grillomg@gmail.com>, 2020
+# Nicola Larosa <transifex@teknico.net>, 2012
+# Stefano Brentegani <sbrentegani@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-23 09:00+0000\n"
+"Last-Translator: Mirco Grillo <mirco.grillomg@gmail.com>\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Content Type"
+
+msgid "python model class name"
+msgstr "nome della classe del modello Python"
+
+msgid "content type"
+msgstr "content type"
+
+msgid "content types"
+msgstr "content type"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "L'oggetto con content type %(ct_id)s non ha alcun modello associato"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "L'oggetto %(obj_id)s con content type %(ct_id)s non esiste"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Gli oggetti %(ct_name)s non hanno un metodo get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7a0ce282
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..af298397
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,47 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Shinya Okano <tokibito@gmail.com>, 2012,2014
+# Takuya N <takninnovationresearch@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-02-07 16:03+0000\n"
+"Last-Translator: Takuya N <takninnovationresearch@gmail.com>\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "コンテンツタイプ"
+
+msgid "python model class name"
+msgstr "Python モデルクラス名"
+
+msgid "content type"
+msgstr "コンテンツタイプ"
+
+msgid "content types"
+msgstr "コンテンツタイプ"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+"コンテンツタイプ %(ct_id)s のオブジェクトは、関連付けられたモデルを持っていま"
+"せん"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "コンテンツタイプ %(ct_id)s のオブジェクト %(obj_id)s は存在しません"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr ""
+"%(ct_name)s のオブジェクトは get_absolute_url() メソッドを持っていません"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..55454596
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e2f13968
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2013,2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: André Bouatchidzé <a@anbz.net>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Content Types"
+msgstr "კონტენტის ტიპები"
+
+msgid "python model class name"
+msgstr "python-ის მოდელის კლასის სახელი"
+
+msgid "content type"
+msgstr "კონტენტის ტიპი"
+
+msgid "content types"
+msgstr "კონტენტის ტიპები"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "კონტენტის ტიპის %(ct_id)s ობიექტს არ გააჩნია ასოცირებული მოდელი"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "კონტენტის ტიპის %(ct_id)s ობიექტი %(obj_id)s არ არსებობს"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s ობიექტებს არ გააჩნიათ მეთოდი get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..889b0a0f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..af1c9f97
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Nurlan Rakhimzhanov <nurlan.rakhimzhanov@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "питонның үлгі классның аты"
+
+msgid "content type"
+msgstr "мазмұн түрі"
+
+msgid "content types"
+msgstr "мазмұн түрлері"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6e6775c6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..674077a7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/django/django/language/km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "ឈ្មោះ python model class"
+
+msgid "content type"
+msgstr "ប្រភេទអត្ថន័យ"
+
+msgid "content types"
+msgstr "ប្រភេទអត្ថន័យ"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..00951f1c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d4bde118
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kannada (http://www.transifex.com/django/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "ಪೈಥಾನ್ ಮಾಡೆಲ್  ಕ್ಲಾಸಿನ ಹೆಸರು"
+
+msgid "content type"
+msgstr "ಒಳವಿಷಯದ ಬಗೆ"
+
+msgid "content types"
+msgstr "ಒಳವಿಷಯದ ಬಗೆಗಳು"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f8f00ba1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ko/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8cef4282
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Le Tartuffe <magno79@gmail.com>, 2014
+# Yang Chan Woo <oizys18@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-17 08:01+0000\n"
+"Last-Translator: Yang Chan Woo <oizys18@gmail.com>\n"
+"Language-Team: Korean (http://www.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "콘텐츠 타입"
+
+msgid "python model class name"
+msgstr "python 모델 클래스 명"
+
+msgid "content type"
+msgstr "콘텐츠 타입"
+
+msgid "content types"
+msgstr "콘텐츠 타입(들)"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "콘텐츠 타입 %(ct_id)s 객체는 관련 모델이 없습니다"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "콘텐츠 타입 %(ct_id)s객체%(obj_id)s는 존재하지 않습니다."
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s객체들은 get_absolute_url() 메소드가 없습니다."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f9cd0810
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9c6495ab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-23 06:00+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "Мазмун түрү"
+
+msgid "python model class name"
+msgstr "питон модел класс ысымы"
+
+msgid "content type"
+msgstr "мазмун түрү"
+
+msgid "content types"
+msgstr "мазмун түрлөрү"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "%(ct_id)s мазмун түрүнүн өзүнө байланышкан модели жок."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "%(ct_id)sмазмун түрүнүн %(obj_id)sобектисинде жашабайт."
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)sобекттеринде get_absolute_url() ыкмасы жок"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b7937f6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..69819b76
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr ""
+
+msgid "content type"
+msgstr ""
+
+msgid "content types"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8c703826
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8c8de9cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Matas Dailyda <matas@dailyda.com>, 2015
+# Simonas Kazlauskas <simonas@kazlauskas.me>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Matas Dailyda <matas@dailyda.com>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Content Types"
+msgstr "Turinio tipai"
+
+msgid "python model class name"
+msgstr "python modelio klasės vardas"
+
+msgid "content type"
+msgstr "turinio tipas"
+
+msgid "content types"
+msgstr "turinio tipai"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Tūrinio tipo %(ct_id)s objektas neturi priskirto modelio"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Tūrinio tipo %(ct_id)s objektas %(obj_id)s neegzistuoja"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s objektai neturi get_absolute_url() metodo"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4a5565f0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b91627e5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# NullIsNot0 <nullisnot0@inbox.lv>, 2019
+# peterisb <pb@sungis.lv>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-07 07:19+0000\n"
+"Last-Translator: NullIsNot0 <nullisnot0@inbox.lv>\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Content Types"
+msgstr "Satura tipi"
+
+msgid "python model class name"
+msgstr "python modeļa klases nosaukums"
+
+msgid "content type"
+msgstr "satura tips"
+
+msgid "content types"
+msgstr "satura tipi"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Satura tipa %(ct_id)s objektam nav asociētā modeļa"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Satura tipa %(ct_id)s objekts %(obj_id)s neeksistē"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s objekti nesatur get_absolute_url() metodi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ca4d926e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e8a455b0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2014
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: dekomote <dr.mote@gmail.com>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Content Types"
+msgstr "Типови содржини"
+
+msgid "python model class name"
+msgstr "име на класата за python моделoт"
+
+msgid "content type"
+msgstr "тип на содржина"
+
+msgid "content types"
+msgstr "типови содржини"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Типот на содржина %(ct_id)s објект нема асоциран модел"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Типот на содржина %(ct_id)s објект %(obj_id)s не постои"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s објекти немаат get_absolute_url() метод"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..70458b62
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..873523dd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rajeesh Nair <rajeeshrnair@gmail.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "പൈത്തണ്‍ മോഡല്‍  ക്ളാസ്സിന്റെ പേര്"
+
+msgid "content type"
+msgstr "ഏതു തരം ഉള്ളടക്കം"
+
+msgid "content types"
+msgstr "ഏതൊക്കെ തരം ഉള്ളടക്കം"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "കണ്ടന്റ് ടൈപ്പ് %(ct_id)s വസ്തുവിന് അനുബന്ധമായ മോഡല്‍ ഇല്ല."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "കണ്ടന്റ് ടൈപ്പ് %(ct_id)s വസ്തു %(obj_id)s നിലവിലില്ല"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s വസ്തുക്കള്‍ക്ക് get_absolute_url() രീതി ഇല്ല."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bb640e9a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..266a85ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bayarkhuu Bataa, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Zorig <zorig_ezd@yahoo.com>, 2014
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-10-19 14:01+0000\n"
+"Last-Translator: Bayarkhuu Bataa\n"
+"Language-Team: Mongolian (http://www.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Агуулгын төрөл"
+
+msgid "python model class name"
+msgstr "пайтоны моделын классын нэр"
+
+msgid "content type"
+msgstr "агуулгын төрөл"
+
+msgid "content types"
+msgstr "агуулгын төрлүүд"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "%(ct_id)s төрлийн холбоотой модель олдсонгүй"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "%(ct_id)s төрлийн %(obj_id)s объект олдсонгүй"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
+"%(ct_name)s объектууд дээр get_absolute_url() функцийг тодорхойлоогүй байна."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4f5b10dc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..880ce36a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2024-01-24 19:22+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "सामुग्रीचे प्रकार"
+
+msgid "python model class name"
+msgstr "पायथन मॉडेल वर्गाचे नाव"
+
+msgid "content type"
+msgstr "सामुग्री प्रकार"
+
+msgid "content types"
+msgstr "सामुग्रीचे प्रकार"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "%(ct_id)s या सामुग्री प्रकाराच्या ऑब्जेक्टला संबंधित मॉडेल नाही."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3d285225
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1aa74e07
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-11-16 12:42+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "Jenis kandungan"
+
+msgid "python model class name"
+msgstr "nama kelas model python"
+
+msgid "content type"
+msgstr "jenis kandungan"
+
+msgid "content types"
+msgstr "jenis-jenis kandungan"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Jenis kandungan %(ct_id)s tidak mempunyai model yang berkaitan"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Jenis kandungan %(ct_id)s objek %(obj_id)s tidak wujud"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objek-objek %(ct_name)s tidak mempunyai kaedah get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..03d84f26
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e5fc0fc1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2013,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Yhal Htet Aung <jumoun@gmail.com>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "အကြောင်းအရာအမျိုးအစားများ"
+
+msgid "python model class name"
+msgstr "စပါးကြီးမော်ဒယ်အမျိုးအစားနာမည်"
+
+msgid "content type"
+msgstr "အကြောင်းအရာအမျိုးအစား"
+
+msgid "content types"
+msgstr "အကြောင်းအရာအမျိုးအစားများ"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "အကြောင်းအရာအမျိုးအစား %(ct_id)s အရာဝတ္ထုမှာဆက်နွယ်သောမော်ဒယ်မရှိ"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "အကြောင်းအရာအမျိုးအစား %(ct_id)s အရာဝတ္ထု %(obj_id)s မတည်ရှိနေ"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s အရာဝတ္ထုများ get_absolute_url() နည်းလမ်းမရှိ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d058fcec
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f1485a86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jensadne <jensadne@pvv.ntnu.no>, 2014
+# Jon <jon@kolonial.no>, 2020
+# Jon <jon@kolonial.no>, 2012
+# Sigurd Gartmann <sigurdga-transifex@sigurdga.no>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-21 12:15+0000\n"
+"Last-Translator: Jon <jon@kolonial.no>\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Innholdstyper"
+
+msgid "python model class name"
+msgstr "python-modellklassenavn"
+
+msgid "content type"
+msgstr "innholdstype"
+
+msgid "content types"
+msgstr "innholdstyper"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Innholdstype %(ct_id)s objekt har ingen assosiert model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Innholdstype %(ct_id)s objekt %(obj_id)s finnes ikke"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s-objekter har ikke get_absolute_url()-metode"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6e855c7f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6ecdd038
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Sagar Chalise <chalisesagar@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Sagar Chalise <chalisesagar@gmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "कन्टेन्ट टाइपहरु"
+
+msgid "python model class name"
+msgstr "पाइथन मोडेल क्लासको नाम"
+
+msgid "content type"
+msgstr "कन्टेन्ट टाइप"
+
+msgid "content types"
+msgstr "कन्टेन्ट टाइपहरु"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "कन्टेन्ट टाइप %(ct_id)s वस्तु सँग सम्बन्धित मोडेल छैन ।"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "कन्टेन्ट टाइप %(ct_id)s वस्तु %(obj_id)s छैन ।"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s वस्तुमा get_absolute_url() तरिका छैन ।"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e5e33f1a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2dade66d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Harro van der Klauw <hvdklauw@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sander Steffann <inactive+steffann@transifex.com>, 2015
+# Tonnes <tonnes.mb@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-17 08:44+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>\n"
+"Language-Team: Dutch (http://www.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Inhoudstypen"
+
+msgid "python model class name"
+msgstr "klassenaam van pythonmodel"
+
+msgid "content type"
+msgstr "inhoudstype"
+
+msgid "content types"
+msgstr "inhoudstypen"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Object van inhoudstype %(ct_id)s heeft geen bijbehorend model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Object %(obj_id)s van inhoudstype %(ct_id)s bestaat niet"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s-objecten hebben geen get_absolute_url()-methode"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c60510c2
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c441b436
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jensadne <jensadne@pvv.ntnu.no>, 2013
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-10-21 18:49+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Innhaldstypar"
+
+msgid "python model class name"
+msgstr "python-modell klassenamn"
+
+msgid "content type"
+msgstr "innhaldstype"
+
+msgid "content types"
+msgstr "innhaldstypar"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Innhaldstype %(ct_id)s-objektet har ingen modell knytta til seg"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Innhaldstype %(ct_id)s-objekt %(obj_id)s eksisterer ikkje"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s-objekt har ikkje ein get_absolute_url() metode"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3e44b4b2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/os/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bdeabb6b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "python моделы классы ном"
+
+msgid "content type"
+msgstr "мидисы хуыз"
+
+msgid "content types"
+msgstr "мидисы хуызтӕ"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "%(ct_id)s мидисы хуызы объектӕн ӕмбӕлгӕ модел нӕй"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "%(ct_id)s мидисы хуызы объект %(obj_id)s нӕй"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s объекттӕн get_absolute_url() метод нӕй"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9221827a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7eb0a2c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "ਪਾਈਥਨ ਮਾਡਲ ਕਲਾਸ ਨਾਂ"
+
+msgid "content type"
+msgstr "ਸਮੱਗਰੀ ਕਿਸਮ"
+
+msgid "content types"
+msgstr "ਸਮੱਗਰੀ ਕਿਸਮ"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..00e6a514
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0c26fb27
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,47 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# sidewinder <adam.klosiu@gmail.com>, 2014
+# angularcircle, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# m_aciek <maciej.olko@gmail.com>, 2019
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-11 14:09+0000\n"
+"Last-Translator: m_aciek <maciej.olko@gmail.com>\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && (n"
+"%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
+"%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Content Types"
+msgstr "Typy Zawartości"
+
+msgid "python model class name"
+msgstr "Nazwa klasy modelu pythona"
+
+msgid "content type"
+msgstr "typ zawartości"
+
+msgid "content types"
+msgstr "typy zawartości"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Obiekt typu zawartości %(ct_id)s nie posiada przypisanego modelu"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Obiekt %(obj_id)s typu zawartości %(ct_id)s nie istnieje"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Obiekty %(ct_name)s nie posiadają metody get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2ba31b9d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..95e193d3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nuno Mariz <nmariz@gmail.com>, 2011-2012
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de Conteúdo"
+
+msgid "python model class name"
+msgstr "nome da classe do model em python"
+
+msgid "content type"
+msgstr "tipo de conteúdo"
+
+msgid "content types"
+msgstr "tipos de conteúdos"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objeto do tipo de conteúdo %(ct_id)s não tem nenhum model associado"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Objeto %(obj_id)s do tipo de conteúdo %(ct_id)s não existe"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "Objetos %(ct_name)s não tem um método get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..eec927d7
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..26b3adf5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# Carlos C. Leite <caduado@gmail.com>, 2016,2019
+# semente, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rafael Fontenelle <rffontenelle@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-01-17 06:36+0000\n"
+"Last-Translator: Rafael Fontenelle <rffontenelle@gmail.com>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Content Types"
+msgstr "Tipos de Conteúdo"
+
+msgid "python model class name"
+msgstr "nome da classe de modelo em python"
+
+msgid "content type"
+msgstr "tipo de conteúdo"
+
+msgid "content types"
+msgstr "tipos de conteúdo"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objeto do tipo de conteúdo %(ct_id)s não tem nenhum model associado"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "O objeto %(obj_id)s do tipo de conteúdo %(ct_id)s não existe."
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "os objetos %(ct_name)s não têm o método get_absolute_url()."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7d412952
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2c32c7ee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Daniel Ursache-Dogariu, 2011
+# Denis Darii <denis.darii@gmail.com>, 2014
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Razvan Stefanescu <razvan.stefanescu@gmail.com>\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Content Types"
+msgstr "Tipuri de conținut"
+
+msgid "python model class name"
+msgstr "nume clasă model Python"
+
+msgid "content type"
+msgstr "tip conținut"
+
+msgid "content types"
+msgstr "tipuri conținut"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Tipul de conținut %(ct_id)s nu are nici un model asociat"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "Obiectele %(ct_name)s nu au o metodă get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..27f7ed2f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ru/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0d36e2ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,47 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eugene <eugene.mechanism@gmail.com>, 2012
+# crazyzubr <hjcnbckfd@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Алексей Борискин <sun.void@gmail.com>, 2012,2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-14 18:22+0000\n"
+"Last-Translator: crazyzubr <hjcnbckfd@gmail.com>\n"
+"Language-Team: Russian (http://www.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Content Types"
+msgstr "Типы содержимого"
+
+msgid "python model class name"
+msgstr "имя класса модели"
+
+msgid "content type"
+msgstr "тип содержимого"
+
+msgid "content types"
+msgstr "типы содержимого"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Тип содержимого %(ct_id)s не имеет связанной модели"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Объекта типа %(ct_id)s с идентификатором %(obj_id)s не существует"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Объекты типа \"%(ct_name)s\" не имеют метода get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c2fa5a96
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c66f9ba6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marian Andre <marian@andre.sk>, 2012
+# Martin Tóth <ezimir@gmail.com>, 2017,2023
+# Peter Kuma, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-12-04 19:22+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Content Types"
+msgstr "Typy Obsahu"
+
+msgid "python model class name"
+msgstr "pythonovské meno triedy modelu"
+
+msgid "content type"
+msgstr "typ obsahu"
+
+msgid "content types"
+msgstr "typy obsahu"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objekt typu obsahu %(ct_id)s  nemá pridružený model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Objekt %(obj_id)s typu obsahu %(ct_id)s neexistuje"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr " Objekty %(ct_name)s nemajú metódu get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6253ab03
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d13e0dca
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# zejn <zejn@kiberpipa.org>, 2016
+# zejn <zejn@kiberpipa.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Primož Verdnik <primoz.verdnik@gmail.com>\n"
+"Language-Team: Slovenian (http://www.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Content Types"
+msgstr "vrste vsebine"
+
+msgid "python model class name"
+msgstr "ime razreda modela python"
+
+msgid "content type"
+msgstr "vrsta vsebine"
+
+msgid "content types"
+msgstr "vrste vsebine"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Predmet vrste vsebine %(ct_id)s nima določenega povezanega modela"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Predmet %(obj_id)s vrste %(ct_id)s ne obstaja"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "Predmeti vrste %(ct_name)s nimajo določila get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cbc33936
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sq/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..37e47278
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik <besnik@programeshqip.org>, 2011
+# Besnik <besnik@programeshqip.org>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 09:52+0000\n"
+"Last-Translator: Besnik <besnik@programeshqip.org>\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Lloje Lënde"
+
+msgid "python model class name"
+msgstr "emër klase modeli python"
+
+msgid "content type"
+msgstr "lloj lënde"
+
+msgid "content types"
+msgstr "lloje lënde"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Objekti për lloj lënde %(ct_id)s s’ka model të përshoqëruar"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Objekti %(obj_id)s për lloj lënde %(ct_id)s s’ekziston"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objektet %(ct_name)s s’përmbajnë ndonjë metodë get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9a100679
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..02aae70e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Igor Jerosimić, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-21 20:40+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (http://www.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Content Types"
+msgstr "Типови садржаја"
+
+msgid "python model class name"
+msgstr "име python класе модела"
+
+msgid "content type"
+msgstr "тип садржаја"
+
+msgid "content types"
+msgstr "типови садржаја"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Тип садржаја %(ct_id)s нема асоцирани модел"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Тип садржаја %(ct_id)s објекта %(obj_id)s не постоји"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Објекти %(ct_name)s немају get_absolute_url() метод"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a97478b0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..926478ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2019-2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-21 20:49+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (Latin) (http://www.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Content Types"
+msgstr "Tipovi sadržaja"
+
+msgid "python model class name"
+msgstr "ime python klase modela"
+
+msgid "content type"
+msgstr "tip sadržaja"
+
+msgid "content types"
+msgstr "tipovi sadržaja"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Tip sadržaja %(ct_id)s nema asocirani model"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Tip sadržaja %(ct_id)s objekta %(obj_id)s ne postoji"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Objekti %(ct_name)s nemaju get_absolute_url() metod"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b4fe3a80
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8cdfa8d5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Albin Larsson <albin.post@gmail.com>, 2022
+# Andreas Pelme <andreas@pelme.se>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2014
+# Thomas Lundqvist, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2022-07-24 19:22+0000\n"
+"Last-Translator: Albin Larsson <albin.post@gmail.com>\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Innehållstyper"
+
+msgid "python model class name"
+msgstr "klassnamn för Python-modell"
+
+msgid "content type"
+msgstr "innehållstyp"
+
+msgid "content types"
+msgstr "innehållstyper"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Innehållstypens %(ct_id)s har ingen associerad modell."
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Innehållstypens %(ct_id)s objekt %(obj_id)s finns inte"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s objekt har inte en get_absolute_url()-metod"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dcd22031
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sw/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4f9d8bc7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr ""
+
+msgid "content type"
+msgstr "aina ya maudhui"
+
+msgid "content types"
+msgstr "aina ya maudhui"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8438101e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5a524c35
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/django/django/language/ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "python model class name"
+
+msgid "content type"
+msgstr "பொருளடக்க வகை"
+
+msgid "content types"
+msgstr "பொருளடக்க வகைகள்"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..732d4e9c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ca476cd9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "పైతాన్ మొడల్ క్లాస్  పేరు"
+
+msgid "content type"
+msgstr "సూచన రకం"
+
+msgid "content types"
+msgstr "సూచన రకాలు"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8f0140d4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9150d449
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-15 00:27+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Намуди контент"
+
+msgid "python model class name"
+msgstr "номи класси модел"
+
+msgid "content type"
+msgstr "намуди контент"
+
+msgid "content types"
+msgstr "намуди контентҳо"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Намуди контенти %(ct_id)s модели алоқаманд надорад"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7e443b0c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/th/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8ab409e2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "python model class name"
+
+msgid "content type"
+msgstr "content type"
+
+msgid "content types"
+msgstr "content types"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "ประเภทของเนื้อหา %(ct_id)s ไม่มีอ็อบเจ็กที่มีรูปแบบที่เกี่ยวข้อง"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "ไม่มีประเภทของเนื้อหา %(ct_id)s วัตถุ %(obj_id)s"
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "%(ct_name)s ไม่มีเมธอด get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0bafb070
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..44d8f806
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Resulkary <resulsaparov@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-07 20:28+0000\n"
+"Last-Translator: Resulkary <resulsaparov@gmail.com>\n"
+"Language-Team: Turkmen (http://www.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "Mazmunyň görnüşleri"
+
+msgid "python model class name"
+msgstr "python model synpynyň ady"
+
+msgid "content type"
+msgstr "mazmunyň görnüşi"
+
+msgid "content types"
+msgstr "mazmunyň görnüşleri"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Mazmun görnüşi %(ct_id)s obýekti bilen baglanyşykly model ýok"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "Mazmun görnüşi %(ct_id)s %(obj_id)s ýok"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s obýektlerde get_absolute_url() metody ýok"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..18bcd945
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b33b267e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# BouRock, 2019
+# BouRock, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Murat Çorlu <muratcorlu@me.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-17 08:00+0000\n"
+"Last-Translator: BouRock\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Content Types"
+msgstr "İçerik Türleri"
+
+msgid "python model class name"
+msgstr "python model sınıfı adı"
+
+msgid "content type"
+msgstr "içerik türü"
+
+msgid "content types"
+msgstr "içerik türleri"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "İçerik türü %(ct_id)s nesnesi ilişkilendirilmiş modele sahip değil"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "İçerik türü %(ct_id)s nesne %(obj_id)s mevcut değil"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s nesneleri bir get_absolute_url() yöntemine sahip değiller"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f45a1f24
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..90a50045
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "модель классының исеме"
+
+msgid "content type"
+msgstr "эчтәлек тибы"
+
+msgid "content types"
+msgstr "эчтәлек тиблары"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af7ab53b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/udm/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a8f7e889
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr ""
+
+msgid "content type"
+msgstr ""
+
+msgid "content types"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f81e7c04
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ad21e41e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-12-04 19:22+0000\n"
+"Last-Translator: Abduqadir Abliz <sahranbay@gmail.com>, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr "مەزمۇن تىپلىرى"
+
+msgid "python model class name"
+msgstr "python مودېلىنىڭ سىنىپ ئىسمى"
+
+msgid "content type"
+msgstr "مەزمۇن تىپى"
+
+msgid "content types"
+msgstr "مەزمۇن تىپلىرى"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "مەزمۇن تىپى %(ct_id)s ئوبيېكتىنىڭ باغلانغان مودېلى يوق"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "مەزمۇن تىپى %(ct_id)s ئوبيېكت %(obj_id)s مەۋجۇت ئەمەس"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s ئوبيېكتى get_absolute_url() ئۇسۇلى يوق"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5ca84fad
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a798bb10
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Oleksandr Chernihov <o.chernihov@gmail.com>, 2014
+# Illia Volochii <illia.volochii@gmail.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sergey Lysach <sergikoff88@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-01-20 00:17+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Content Types"
+msgstr "Типи вмісту"
+
+msgid "python model class name"
+msgstr "імʼя класу моделі"
+
+msgid "content type"
+msgstr "тип вмісту"
+
+msgid "content types"
+msgstr "типи вмісту"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Тип вмісту %(ct_id)s не має пов'язанної моделі"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr ""
+"Обʼєкт з ідентифікатором %(ct_id)s, що має тип вмісту %(obj_id)s не існує"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "Обʼєкт типу %(ct_name)s не має методу get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f6ff9198
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ur/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..075af1f0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Content Types"
+msgstr ""
+
+msgid "python model class name"
+msgstr "پائثان کے ماڈل کی کلاس کا نام"
+
+msgid "content type"
+msgstr "مضمون کی قسم"
+
+msgid "content types"
+msgstr "مضمون کی اقسام"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr ""
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr ""
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1cc06c6f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/vi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6dbef52b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tran <hongdiepkien@gmail.com>, 2011
+# Tran Van <vantxm@yahoo.co.uk>, 2013
+# xgenvn <xgenvn@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Tran Van <vantxm@yahoo.co.uk>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "Các loại nội dung"
+
+msgid "python model class name"
+msgstr "tên lớp mô hình python"
+
+msgid "content type"
+msgstr "kiểu nội dung"
+
+msgid "content types"
+msgstr "kiểu nội dung"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "Đối tượng của kiểu nội dung %(ct_id)s không có model tương ứng"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn't exist"
+msgstr "Đối tượng %(obj_id)s của Kiểu nội dung %(ct_id)s không tồn tại."
+
+#, python-format
+msgid "%(ct_name)s objects don't have a get_absolute_url() method"
+msgstr "Đối tượng %(ct_name)s không có phương thức get_absolute_url()"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7f9dc8cc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2acb647d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ronald White <tkliuxing@me.com>, 2014
+# slene <vslene@gmail.com>, 2011
+# wolf ice <warwolf7677@163.com>, 2020
+# Kevin Sze <leiarix@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-03-04 02:33+0000\n"
+"Last-Translator: wolf ice <warwolf7677@163.com>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "内容类型"
+
+msgid "python model class name"
+msgstr "python 模型类名"
+
+msgid "content type"
+msgstr "内容类型"
+
+msgid "content types"
+msgstr "内容类型"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "内容类型 %(ct_id)s 对象没有关联的模型"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "内容类型%(ct_id)s对象%(obj_id)s不存在"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s对象不包含get_absolute_url()方法"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7c1e8b8c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e6e918b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,44 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# ilay <ilay@ilay.tw>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 09:00+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Content Types"
+msgstr "內容類型"
+
+msgid "python model class name"
+msgstr "python model 類別名稱"
+
+msgid "content type"
+msgstr "內容類型"
+
+msgid "content types"
+msgstr "內容類型"
+
+#, python-format
+msgid "Content type %(ct_id)s object has no associated model"
+msgstr "內容類型 %(ct_id)s 的物件沒有關聯的資料模型"
+
+#, python-format
+msgid "Content type %(ct_id)s object %(obj_id)s doesn’t exist"
+msgstr "內容類型 %(ct_id)s 的物件 %(obj_id)s 不存在"
+
+#, python-format
+msgid "%(ct_name)s objects don’t have a get_absolute_url() method"
+msgstr "%(ct_name)s 的物件沒有 get_absolute_url() 方法"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/__init__.py
new file mode 100644
index 00000000..903b9ab1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/__init__.py
@@ -0,0 +1,145 @@
+from django.apps import apps as global_apps
+from django.db import DEFAULT_DB_ALIAS, IntegrityError, migrations, router, transaction
+
+
+class RenameContentType(migrations.RunPython):
+    def __init__(self, app_label, old_model, new_model):
+        self.app_label = app_label
+        self.old_model = old_model
+        self.new_model = new_model
+        super().__init__(self.rename_forward, self.rename_backward)
+
+    def _rename(self, apps, schema_editor, old_model, new_model):
+        ContentType = apps.get_model("contenttypes", "ContentType")
+        db = schema_editor.connection.alias
+        if not router.allow_migrate_model(db, ContentType):
+            return
+
+        try:
+            content_type = ContentType.objects.db_manager(db).get_by_natural_key(
+                self.app_label, old_model
+            )
+        except ContentType.DoesNotExist:
+            pass
+        else:
+            content_type.model = new_model
+            try:
+                with transaction.atomic(using=db):
+                    content_type.save(using=db, update_fields={"model"})
+            except IntegrityError:
+                # Gracefully fallback if a stale content type causes a
+                # conflict as remove_stale_contenttypes will take care of
+                # asking the user what should be done next.
+                content_type.model = old_model
+            else:
+                # Clear the cache as the `get_by_natural_key()` call will cache
+                # the renamed ContentType instance by its old model name.
+                ContentType.objects.clear_cache()
+
+    def rename_forward(self, apps, schema_editor):
+        self._rename(apps, schema_editor, self.old_model, self.new_model)
+
+    def rename_backward(self, apps, schema_editor):
+        self._rename(apps, schema_editor, self.new_model, self.old_model)
+
+
+def inject_rename_contenttypes_operations(
+    plan=None, apps=global_apps, using=DEFAULT_DB_ALIAS, **kwargs
+):
+    """
+    Insert a `RenameContentType` operation after every planned `RenameModel`
+    operation.
+    """
+    if plan is None:
+        return
+
+    # Determine whether or not the ContentType model is available.
+    try:
+        ContentType = apps.get_model("contenttypes", "ContentType")
+    except LookupError:
+        available = False
+    else:
+        if not router.allow_migrate_model(using, ContentType):
+            return
+        available = True
+
+    for migration, backward in plan:
+        if (migration.app_label, migration.name) == ("contenttypes", "0001_initial"):
+            # There's no point in going forward if the initial contenttypes
+            # migration is unapplied as the ContentType model will be
+            # unavailable from this point.
+            if backward:
+                break
+            else:
+                available = True
+                continue
+        # The ContentType model is not available yet.
+        if not available:
+            continue
+        inserts = []
+        for index, operation in enumerate(migration.operations):
+            if isinstance(operation, migrations.RenameModel):
+                operation = RenameContentType(
+                    migration.app_label,
+                    operation.old_name_lower,
+                    operation.new_name_lower,
+                )
+                inserts.append((index + 1, operation))
+        for inserted, (index, operation) in enumerate(inserts):
+            migration.operations.insert(inserted + index, operation)
+
+
+def get_contenttypes_and_models(app_config, using, ContentType):
+    if not router.allow_migrate_model(using, ContentType):
+        return None, None
+
+    ContentType.objects.clear_cache()
+
+    content_types = {
+        ct.model: ct
+        for ct in ContentType.objects.using(using).filter(app_label=app_config.label)
+    }
+    app_models = {model._meta.model_name: model for model in app_config.get_models()}
+    return content_types, app_models
+
+
+def create_contenttypes(
+    app_config,
+    verbosity=2,
+    interactive=True,
+    using=DEFAULT_DB_ALIAS,
+    apps=global_apps,
+    **kwargs,
+):
+    """
+    Create content types for models in the given app.
+    """
+    if not app_config.models_module:
+        return
+
+    app_label = app_config.label
+    try:
+        app_config = apps.get_app_config(app_label)
+        ContentType = apps.get_model("contenttypes", "ContentType")
+    except LookupError:
+        return
+
+    content_types, app_models = get_contenttypes_and_models(
+        app_config, using, ContentType
+    )
+
+    if not app_models:
+        return
+
+    cts = [
+        ContentType(
+            app_label=app_label,
+            model=model_name,
+        )
+        for (model_name, model) in app_models.items()
+        if model_name not in content_types
+    ]
+    ContentType.objects.using(using).bulk_create(cts)
+    if verbosity >= 2:
+        for ct in cts:
+            print("Adding content type '%s | %s'" % (ct.app_label, ct.model))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/commands/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/commands/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/commands/__pycache__/remove_stale_contenttypes.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/commands/__pycache__/remove_stale_contenttypes.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/commands/remove_stale_contenttypes.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/commands/remove_stale_contenttypes.py
new file mode 100644
index 00000000..51de847d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/management/commands/remove_stale_contenttypes.py
@@ -0,0 +1,112 @@
+import itertools
+
+from django.apps import apps
+from django.contrib.contenttypes.models import ContentType
+from django.core.management import BaseCommand
+from django.db import DEFAULT_DB_ALIAS, router
+from django.db.models.deletion import Collector
+
+
+class Command(BaseCommand):
+    help = "Deletes stale content types in the database."
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Tells Django to NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help='Nominates the database to use. Defaults to the "default" database.',
+        )
+        parser.add_argument(
+            "--include-stale-apps",
+            action="store_true",
+            default=False,
+            help=(
+                "Deletes stale content types including ones from previously "
+                "installed apps that have been removed from INSTALLED_APPS."
+            ),
+        )
+
+    def handle(self, **options):
+        db = options["database"]
+        include_stale_apps = options["include_stale_apps"]
+        interactive = options["interactive"]
+        verbosity = options["verbosity"]
+
+        if not router.allow_migrate_model(db, ContentType):
+            return
+        ContentType.objects.clear_cache()
+
+        apps_content_types = itertools.groupby(
+            ContentType.objects.using(db).order_by("app_label", "model"),
+            lambda obj: obj.app_label,
+        )
+        for app_label, content_types in apps_content_types:
+            if not include_stale_apps and app_label not in apps.app_configs:
+                continue
+            to_remove = [ct for ct in content_types if ct.model_class() is None]
+            # Confirm that the content type is stale before deletion.
+            using = router.db_for_write(ContentType)
+            if to_remove:
+                if interactive:
+                    ct_info = []
+                    for ct in to_remove:
+                        ct_info.append(
+                            "    - Content type for %s.%s" % (ct.app_label, ct.model)
+                        )
+                        collector = NoFastDeleteCollector(using=using, origin=ct)
+                        collector.collect([ct])
+
+                        for obj_type, objs in collector.data.items():
+                            if objs != {ct}:
+                                ct_info.append(
+                                    "    - %s %s object(s)"
+                                    % (
+                                        len(objs),
+                                        obj_type._meta.label,
+                                    )
+                                )
+                    content_type_display = "\n".join(ct_info)
+                    self.stdout.write(
+                        "Some content types in your database are stale and can be "
+                        "deleted.\n"
+                        "Any objects that depend on these content types will also be "
+                        "deleted.\n"
+                        "The content types and dependent objects that would be deleted "
+                        "are:\n\n"
+                        f"{content_type_display}\n\n"
+                        "This list doesn't include any cascade deletions to data "
+                        "outside of Django's\n"
+                        "models (uncommon).\n\n"
+                        "Are you sure you want to delete these content types?\n"
+                        "If you're unsure, answer 'no'."
+                    )
+                    ok_to_delete = input("Type 'yes' to continue, or 'no' to cancel: ")
+                else:
+                    ok_to_delete = "yes"
+
+                if ok_to_delete == "yes":
+                    for ct in to_remove:
+                        if verbosity >= 2:
+                            self.stdout.write(
+                                "Deleting stale content type '%s | %s'"
+                                % (ct.app_label, ct.model)
+                            )
+                        ct.delete()
+                else:
+                    if verbosity >= 2:
+                        self.stdout.write("Stale content types remain.")
+
+
+class NoFastDeleteCollector(Collector):
+    def can_fast_delete(self, *args, **kwargs):
+        """
+        Always load related objects to display them when showing confirmation.
+        """
+        return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/0001_initial.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/0001_initial.py
new file mode 100644
index 00000000..7ea39d4f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/0001_initial.py
@@ -0,0 +1,45 @@
+import django.contrib.contenttypes.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name="ContentType",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                ("name", models.CharField(max_length=100)),
+                ("app_label", models.CharField(max_length=100)),
+                (
+                    "model",
+                    models.CharField(
+                        max_length=100, verbose_name="python model class name"
+                    ),
+                ),
+            ],
+            options={
+                "ordering": ("name",),
+                "db_table": "django_content_type",
+                "verbose_name": "content type",
+                "verbose_name_plural": "content types",
+            },
+            bases=(models.Model,),
+            managers=[
+                ("objects", django.contrib.contenttypes.models.ContentTypeManager()),
+            ],
+        ),
+        migrations.AlterUniqueTogether(
+            name="contenttype",
+            unique_together={("app_label", "model")},
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/0002_remove_content_type_name.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/0002_remove_content_type_name.py
new file mode 100644
index 00000000..29f04743
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/0002_remove_content_type_name.py
@@ -0,0 +1,42 @@
+from django.db import migrations, models
+
+
+def add_legacy_name(apps, schema_editor):
+    alias = schema_editor.connection.alias
+    ContentType = apps.get_model("contenttypes", "ContentType")
+    for ct in ContentType.objects.using(alias):
+        try:
+            ct.name = apps.get_model(ct.app_label, ct.model)._meta.object_name
+        except LookupError:
+            ct.name = ct.model
+        ct.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("contenttypes", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="contenttype",
+            options={
+                "verbose_name": "content type",
+                "verbose_name_plural": "content types",
+            },
+        ),
+        migrations.AlterField(
+            model_name="contenttype",
+            name="name",
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.RunPython(
+            migrations.RunPython.noop,
+            add_legacy_name,
+            hints={"model_name": "contenttype"},
+        ),
+        migrations.RemoveField(
+            model_name="contenttype",
+            name="name",
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/migrations/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/models.py
new file mode 100644
index 00000000..0d98ed3a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/models.py
@@ -0,0 +1,193 @@
+from collections import defaultdict
+
+from django.apps import apps
+from django.db import models
+from django.db.models import Q
+from django.utils.translation import gettext_lazy as _
+
+
+class ContentTypeManager(models.Manager):
+    use_in_migrations = True
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # Cache shared by all the get_for_* methods to speed up
+        # ContentType retrieval.
+        self._cache = {}
+
+    def get_by_natural_key(self, app_label, model):
+        try:
+            ct = self._cache[self.db][(app_label, model)]
+        except KeyError:
+            ct = self.get(app_label=app_label, model=model)
+            self._add_to_cache(self.db, ct)
+        return ct
+
+    def _get_opts(self, model, for_concrete_model):
+        if for_concrete_model:
+            model = model._meta.concrete_model
+        return model._meta
+
+    def _get_from_cache(self, opts):
+        key = (opts.app_label, opts.model_name)
+        return self._cache[self.db][key]
+
+    def get_for_model(self, model, for_concrete_model=True):
+        """
+        Return the ContentType object for a given model, creating the
+        ContentType if necessary. Lookups are cached so that subsequent lookups
+        for the same model don't hit the database.
+        """
+        opts = self._get_opts(model, for_concrete_model)
+        try:
+            return self._get_from_cache(opts)
+        except KeyError:
+            pass
+
+        # The ContentType entry was not found in the cache, therefore we
+        # proceed to load or create it.
+        try:
+            # Start with get() and not get_or_create() in order to use
+            # the db_for_read (see #20401).
+            ct = self.get(app_label=opts.app_label, model=opts.model_name)
+        except self.model.DoesNotExist:
+            # Not found in the database; we proceed to create it. This time
+            # use get_or_create to take care of any race conditions.
+            ct, created = self.get_or_create(
+                app_label=opts.app_label,
+                model=opts.model_name,
+            )
+        self._add_to_cache(self.db, ct)
+        return ct
+
+    def get_for_models(self, *models, for_concrete_models=True):
+        """
+        Given *models, return a dictionary mapping {model: content_type}.
+        """
+        results = {}
+        # Models that aren't already in the cache grouped by app labels.
+        needed_models = defaultdict(set)
+        # Mapping of opts to the list of models requiring it.
+        needed_opts = defaultdict(list)
+        for model in models:
+            opts = self._get_opts(model, for_concrete_models)
+            try:
+                ct = self._get_from_cache(opts)
+            except KeyError:
+                needed_models[opts.app_label].add(opts.model_name)
+                needed_opts[opts].append(model)
+            else:
+                results[model] = ct
+        if needed_opts:
+            # Lookup required content types from the DB.
+            condition = Q(
+                *(
+                    Q(("app_label", app_label), ("model__in", models))
+                    for app_label, models in needed_models.items()
+                ),
+                _connector=Q.OR,
+            )
+            cts = self.filter(condition)
+            for ct in cts:
+                opts_models = needed_opts.pop(
+                    ct._meta.apps.get_model(ct.app_label, ct.model)._meta, []
+                )
+                for model in opts_models:
+                    results[model] = ct
+                self._add_to_cache(self.db, ct)
+        # Create content types that weren't in the cache or DB.
+        for opts, opts_models in needed_opts.items():
+            ct = self.create(
+                app_label=opts.app_label,
+                model=opts.model_name,
+            )
+            self._add_to_cache(self.db, ct)
+            for model in opts_models:
+                results[model] = ct
+        return results
+
+    def get_for_id(self, id):
+        """
+        Lookup a ContentType by ID. Use the same shared cache as get_for_model
+        (though ContentTypes are not created on-the-fly by get_by_id).
+        """
+        try:
+            ct = self._cache[self.db][id]
+        except KeyError:
+            # This could raise a DoesNotExist; that's correct behavior and will
+            # make sure that only correct ctypes get stored in the cache dict.
+            ct = self.get(pk=id)
+            self._add_to_cache(self.db, ct)
+        return ct
+
+    def clear_cache(self):
+        """
+        Clear out the content-type cache.
+        """
+        self._cache.clear()
+
+    def _add_to_cache(self, using, ct):
+        """Insert a ContentType into the cache."""
+        # Note it's possible for ContentType objects to be stale; model_class()
+        # will return None. Hence, there is no reliance on
+        # model._meta.app_label here, just using the model fields instead.
+        key = (ct.app_label, ct.model)
+        self._cache.setdefault(using, {})[key] = ct
+        self._cache.setdefault(using, {})[ct.id] = ct
+
+
+class ContentType(models.Model):
+    app_label = models.CharField(max_length=100)
+    model = models.CharField(_("python model class name"), max_length=100)
+    objects = ContentTypeManager()
+
+    class Meta:
+        verbose_name = _("content type")
+        verbose_name_plural = _("content types")
+        db_table = "django_content_type"
+        unique_together = [["app_label", "model"]]
+
+    def __str__(self):
+        return self.app_labeled_name
+
+    @property
+    def name(self):
+        model = self.model_class()
+        if not model:
+            return self.model
+        return str(model._meta.verbose_name)
+
+    @property
+    def app_labeled_name(self):
+        model = self.model_class()
+        if not model:
+            return self.model
+        return "%s | %s" % (
+            model._meta.app_config.verbose_name,
+            model._meta.verbose_name,
+        )
+
+    def model_class(self):
+        """Return the model class for this type of content."""
+        try:
+            return apps.get_model(self.app_label, self.model)
+        except LookupError:
+            return None
+
+    def get_object_for_this_type(self, **kwargs):
+        """
+        Return an object of this type for the keyword arguments given.
+        Basically, this is a proxy around this object_type's get_object() model
+        method. The ObjectNotExist exception, if thrown, will not be caught,
+        so code that calls this method should catch it.
+        """
+        return self.model_class()._base_manager.using(self._state.db).get(**kwargs)
+
+    def get_all_objects_for_this_type(self, **kwargs):
+        """
+        Return all objects of this type for the keyword arguments given.
+        """
+        return self.model_class()._base_manager.using(self._state.db).filter(**kwargs)
+
+    def natural_key(self):
+        return (self.app_label, self.model)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/prefetch.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/prefetch.py
new file mode 100644
index 00000000..97ac6029
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/prefetch.py
@@ -0,0 +1,36 @@
+from django.db.models import Prefetch
+from django.db.models.query import ModelIterable, RawQuerySet
+
+
+class GenericPrefetch(Prefetch):
+    def __init__(self, lookup, querysets, to_attr=None):
+        for queryset in querysets:
+            if queryset is not None and (
+                isinstance(queryset, RawQuerySet)
+                or (
+                    hasattr(queryset, "_iterable_class")
+                    and not issubclass(queryset._iterable_class, ModelIterable)
+                )
+            ):
+                raise ValueError(
+                    "Prefetch querysets cannot use raw(), values(), and values_list()."
+                )
+        self.querysets = querysets
+        super().__init__(lookup, to_attr=to_attr)
+
+    def __getstate__(self):
+        obj_dict = self.__dict__.copy()
+        obj_dict["querysets"] = []
+        for queryset in self.querysets:
+            if queryset is not None:
+                queryset = queryset._chain()
+                # Prevent the QuerySet from being evaluated
+                queryset._result_cache = []
+                queryset._prefetch_done = True
+                obj_dict["querysets"].append(queryset)
+        return obj_dict
+
+    def get_current_querysets(self, level):
+        if self.get_current_prefetch_to(level) == self.prefetch_to:
+            return self.querysets
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/views.py
new file mode 100644
index 00000000..bfde73c5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/contenttypes/views.py
@@ -0,0 +1,88 @@
+from django.apps import apps
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.sites.shortcuts import get_current_site
+from django.core.exceptions import ObjectDoesNotExist
+from django.http import Http404, HttpResponseRedirect
+from django.utils.translation import gettext as _
+
+
+def shortcut(request, content_type_id, object_id):
+    """
+    Redirect to an object's page based on a content-type ID and an object ID.
+    """
+    # Look up the object, making sure it's got a get_absolute_url() function.
+    try:
+        content_type = ContentType.objects.get(pk=content_type_id)
+        if not content_type.model_class():
+            raise Http404(
+                _("Content type %(ct_id)s object has no associated model")
+                % {"ct_id": content_type_id}
+            )
+        obj = content_type.get_object_for_this_type(pk=object_id)
+    except (ObjectDoesNotExist, ValueError):
+        raise Http404(
+            _("Content type %(ct_id)s object %(obj_id)s doesn’t exist")
+            % {"ct_id": content_type_id, "obj_id": object_id}
+        )
+
+    try:
+        get_absolute_url = obj.get_absolute_url
+    except AttributeError:
+        raise Http404(
+            _("%(ct_name)s objects don’t have a get_absolute_url() method")
+            % {"ct_name": content_type.name}
+        )
+    absurl = get_absolute_url()
+
+    # Try to figure out the object's domain, so we can do a cross-site redirect
+    # if necessary.
+
+    # If the object actually defines a domain, we're done.
+    if absurl.startswith(("http://", "https://", "//")):
+        return HttpResponseRedirect(absurl)
+
+    # Otherwise, we need to introspect the object's relationships for a
+    # relation to the Site object
+    try:
+        object_domain = get_current_site(request).domain
+    except ObjectDoesNotExist:
+        object_domain = None
+
+    if apps.is_installed("django.contrib.sites"):
+        Site = apps.get_model("sites.Site")
+        opts = obj._meta
+
+        for field in opts.many_to_many:
+            # Look for a many-to-many relationship to Site.
+            if field.remote_field.model is Site:
+                site_qs = getattr(obj, field.name).all()
+                if object_domain and site_qs.filter(domain=object_domain).exists():
+                    # The current site's domain matches a site attached to the
+                    # object.
+                    break
+                # Caveat: In the case of multiple related Sites, this just
+                # selects the *first* one, which is arbitrary.
+                site = site_qs.first()
+                if site:
+                    object_domain = site.domain
+                    break
+        else:
+            # No many-to-many relationship to Site found. Look for a
+            # many-to-one relationship to Site.
+            for field in obj._meta.fields:
+                if field.remote_field and field.remote_field.model is Site:
+                    try:
+                        site = getattr(obj, field.name)
+                    except Site.DoesNotExist:
+                        continue
+                    if site is not None:
+                        object_domain = site.domain
+                        break
+
+    # If all that malarkey found an object domain, use it. Otherwise, fall back
+    # to whatever get_absolute_url() returned.
+    if object_domain is not None:
+        protocol = request.scheme
+        return HttpResponseRedirect("%s://%s%s" % (protocol, object_domain, absurl))
+    else:
+        return HttpResponseRedirect(absurl)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/admin.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/admin.py
new file mode 100644
index 00000000..5bbc2ad7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/admin.py
@@ -0,0 +1,22 @@
+from django.contrib import admin
+from django.contrib.flatpages.forms import FlatpageForm
+from django.contrib.flatpages.models import FlatPage
+from django.utils.translation import gettext_lazy as _
+
+
+@admin.register(FlatPage)
+class FlatPageAdmin(admin.ModelAdmin):
+    form = FlatpageForm
+    fieldsets = (
+        (None, {"fields": ("url", "title", "content", "sites")}),
+        (
+            _("Advanced options"),
+            {
+                "classes": ("collapse",),
+                "fields": ("registration_required", "template_name"),
+            },
+        ),
+    )
+    list_display = ("url", "title")
+    list_filter = ("sites", "registration_required")
+    search_fields = ("url", "title")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/apps.py
new file mode 100644
index 00000000..eb9f470b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/apps.py
@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class FlatPagesConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.flatpages"
+    verbose_name = _("Flat Pages")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/forms.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/forms.py
new file mode 100644
index 00000000..136fd027
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/forms.py
@@ -0,0 +1,74 @@
+from django import forms
+from django.conf import settings
+from django.contrib.flatpages.models import FlatPage
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext
+from django.utils.translation import gettext_lazy as _
+
+
+class FlatpageForm(forms.ModelForm):
+    url = forms.RegexField(
+        label=_("URL"),
+        max_length=100,
+        regex=r"^[-\w/.~]+$",
+        help_text=_(
+            "Example: “/about/contact/”. Make sure to have leading and trailing "
+            "slashes."
+        ),
+        error_messages={
+            "invalid": _(
+                "This value must contain only letters, numbers, dots, "
+                "underscores, dashes, slashes or tildes."
+            ),
+        },
+    )
+
+    class Meta:
+        model = FlatPage
+        fields = "__all__"
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if not self._trailing_slash_required():
+            self.fields["url"].help_text = _(
+                "Example: “/about/contact”. Make sure to have a leading slash."
+            )
+
+    def _trailing_slash_required(self):
+        return (
+            settings.APPEND_SLASH
+            and "django.middleware.common.CommonMiddleware" in settings.MIDDLEWARE
+        )
+
+    def clean_url(self):
+        url = self.cleaned_data["url"]
+        if not url.startswith("/"):
+            raise ValidationError(
+                gettext("URL is missing a leading slash."),
+                code="missing_leading_slash",
+            )
+        if self._trailing_slash_required() and not url.endswith("/"):
+            raise ValidationError(
+                gettext("URL is missing a trailing slash."),
+                code="missing_trailing_slash",
+            )
+        return url
+
+    def clean(self):
+        url = self.cleaned_data.get("url")
+        sites = self.cleaned_data.get("sites")
+
+        same_url = FlatPage.objects.filter(url=url)
+        if self.instance.pk:
+            same_url = same_url.exclude(pk=self.instance.pk)
+
+        if sites and same_url.filter(sites__in=sites).exists():
+            for site in sites:
+                if same_url.filter(sites=site).exists():
+                    raise ValidationError(
+                        _("Flatpage with url %(url)s already exists for site %(site)s"),
+                        code="duplicate_url",
+                        params={"url": url, "site": site},
+                    )
+
+        return super().clean()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d9b1b120
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dc81ad49
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-12-04 19:03+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>, 2019,2023\n"
+"Language-Team: Afrikaans (http://app.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Gevorderde keuses"
+
+msgid "Flat Pages"
+msgstr "Plat bladsye"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Voorbeeld: “/about/kontak/”. Maak seker dat dit begin en eindig met ’n "
+"skuinsstreep."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Hierdie waarde moet slegs letters, syfers, punte, onderstrepies, "
+"koppeltekens, skuinsstrepe of tildes bevat."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Voorbeeld: “/about/kontak/”. Maak seker dat dit begin met ’n skuinsstreep."
+
+msgid "URL is missing a leading slash."
+msgstr "’n Skuinsstreep ontbreek vooraan URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "’n Skuinsstreep ontbreek agteraan URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Plat bladsy met URL %(url)s bestaan reeds vir die werf %(site)s"
+
+msgid "title"
+msgstr "titel"
+
+msgid "content"
+msgstr "inhoud"
+
+msgid "enable comments"
+msgstr "aktiveer opmerkings"
+
+msgid "template name"
+msgstr "sjabloonnaam"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Voorbeeld: “/flatpages/kontakbladsy.html”. As dit weggelaat word, sal die "
+"stelsel “flatpages/default.html” gebruik."
+
+msgid "registration required"
+msgstr "registrasie benodig"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"As hierdie gemerk is, sal slegs aangemelde gebruikers die bladsy kan bekyk."
+
+msgid "sites"
+msgstr "werwe"
+
+msgid "flat page"
+msgstr "plat bladsy"
+
+msgid "flat pages"
+msgstr "plat bladsye"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..be793dec
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..984d77d2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2015
+# Bashar Al-Abdulhadi, 2014
+# Eyad Toma <d.eyad.t@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Muaaz Alsaied, 2020
+# Ossama Khayat <okhayat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-04-02 11:30+0000\n"
+"Last-Translator: Muaaz Alsaied\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Advanced options"
+msgstr "خيارات متقدّمة"
+
+msgid "Flat Pages"
+msgstr "صفحات مسطحة"
+
+msgid "URL"
+msgstr "رابط"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "مثال: “/about/contact/”. تأكد من وضع فواصل مائلة في البداية والنهاية."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"يجب أن تحتوي هذه القيمة الأحرف والأرقام والنقاط وعلامات _ و - و / أو ~ فقط."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "مثال: “/about/contact/”. تأكد من وضع فواصل مائلة في البداية."
+
+msgid "URL is missing a leading slash."
+msgstr "العنوان URL يفقد رمز / في بدايته."
+
+msgid "URL is missing a trailing slash."
+msgstr "العنوان URL يفقد رمز / في نهايته."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "الصفحة ذو العنوان %(url)s موجودة سابقاً في موقع %(site)s"
+
+msgid "title"
+msgstr "العنوان"
+
+msgid "content"
+msgstr "المحتوى"
+
+msgid "enable comments"
+msgstr "السماح بالتعليقات"
+
+msgid "template name"
+msgstr "اسم القالب"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"مثال: “flatpages/contact_page.html”. إن لم يكن هذا موجوداً، فسوف يستخدم "
+"النظام 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "التسجيل مطلوب"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"إذا كان هذا الخيار محددا، فإن المستخدمين الداخلين فقط سيتمكنون من مشاهدة "
+"الصفحة."
+
+msgid "sites"
+msgstr "المواقع"
+
+msgid "flat page"
+msgstr "صفحة مسطحة"
+
+msgid "flat pages"
+msgstr "صفحات مسطحة"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e4949722
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8e87c9b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-14 18:57+0000\n"
+"Last-Translator: Riterix <infosrabah@gmail.com>\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Advanced options"
+msgstr "خيارات متقدمة"
+
+msgid "Flat Pages"
+msgstr "صفحات مسطحة"
+
+msgid "URL"
+msgstr "رابط"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "مثال: '/about/contact/'. تأكد من وضع شرطات في البداية والنهاية."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"يجب أن تحتوي هذه القيمة الأحرف والأرقام والنقاط وعلامات _ و - و / أو ~ فقط."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "مثال: '/about/contact/'. تأكد من وضع شرطات في البداية."
+
+msgid "URL is missing a leading slash."
+msgstr "العنوان URL يفقد رمز / في بدايته."
+
+msgid "URL is missing a trailing slash."
+msgstr "العنوان URL يفقد رمز / في نهايته."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "الصفحة ذو العنوان %(url)s موجودة سابقاً في موقع %(site)s"
+
+msgid "title"
+msgstr "العنوان"
+
+msgid "content"
+msgstr "المحتوى"
+
+msgid "enable comments"
+msgstr "السماح بالتعليقات"
+
+msgid "template name"
+msgstr "اسم القالب"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"مثال: 'flatpages/contact_page.html'. إن لم تكن الصفحة موجودة، فسوف يستخدم "
+"النظام 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "التسجيل مطلوب"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"إذا كان هذا الخيار محددا، فإن المستخدمين الداخلين فقط سيتمكنون من مشاهدة "
+"الصفحة."
+
+msgid "sites"
+msgstr "المواقع"
+
+msgid "flat page"
+msgstr "صفحة مسطحة"
+
+msgid "flat pages"
+msgstr "صفحات مسطحة"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4fcf5106
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3b618d08
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 19:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opciones avanzaes"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "títulu"
+
+msgid "content"
+msgstr "conteníu"
+
+msgid "enable comments"
+msgstr "habilitar comentarios"
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr "requierse rexistru"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Si esto ta conseñao, namái los usuarios con sesión aniciada podrán ver la "
+"páxina."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c122551e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e2d56f85
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Dimitris Glezos <glezos@transifex.com>, 2012
+# Emin Mastizada <emin@linux.com>, 2018,2020
+# Emin Mastizada <emin@linux.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-12 07:27+0000\n"
+"Last-Translator: Emin Mastizada <emin@linux.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Əlavə imkanlar"
+
+msgid "Flat Pages"
+msgstr "Flat Səhifələr"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Məsələn, “/about/contact/”. Əvvəldə və sondakı kəsr xəttinin olmasına diqqət "
+"edin."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Burada yalnız hərf, rəqəm, nöqtə, altdan xətt, defis, kəsr xətti və ya "
+"tildadan istifadə etmək olar."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Məsələn, “/about/contact”. Əvvəldəki kəsr xəttinin olmasına diqqət edin."
+
+msgid "URL is missing a leading slash."
+msgstr "Ünvan başlanğıcında çəp xətt əksikdir."
+
+msgid "URL is missing a trailing slash."
+msgstr "Ünvan sonunda çəp xətt əksikdir."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s saytı üçün artıq %(url)s ünvanlı Flatpage mövcuddur"
+
+msgid "title"
+msgstr "başlıq"
+
+msgid "content"
+msgstr "məzmun"
+
+msgid "enable comments"
+msgstr "şərhlər olsun"
+
+msgid "template name"
+msgstr "şablonun adı"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Məsələn, “flatpages/contact_page.html”. Əgər təchiz edilməsə, sistem "
+"“flatpages/default.html” işlədəcək."
+
+msgid "registration required"
+msgstr "ancaq qeydiyyatlılar üçün"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Əgər bura quş qoysanız, ancaq qeydiyyatdan keçib sayta daxil olmuş "
+"istifadəçilər bu səhifəni görə biləcəklər."
+
+msgid "sites"
+msgstr "saytlar"
+
+msgid "flat page"
+msgstr "adi səhifə"
+
+msgid "flat pages"
+msgstr "adi səhifələr"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5c02d664
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/be/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f32e3c17
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# znotdead <zhirafchik@gmail.com>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-10-16 18:27+0000\n"
+"Last-Translator: znotdead <zhirafchik@gmail.com>\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Advanced options"
+msgstr "Адмысловыя можнасьці"
+
+msgid "Flat Pages"
+msgstr "Нязменныя Бачыны"
+
+msgid "URL"
+msgstr "Сеціўная спасылка"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Прыклад: «/about/contact/». Упэўніцеся, што адрас пачынаецца й заканчваецца "
+"рыскаю «/»."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Дазваляюцца толькі літары, лічбы, кропкі, знак падкрэсьліваньня, злучкі, "
+"нахіленыя рыскі, тыльды."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Прыклад: «/about/contact/». Упэўніцеся, што адрас пачынаецца рыскаю «/»."
+
+msgid "URL is missing a leading slash."
+msgstr "Спасылка не пачынаецца з рыскі «/»."
+
+msgid "URL is missing a trailing slash."
+msgstr "Спасылка не заканчваецца рыскаю «/»."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "На пляцоўцы «%(site)s» ужо існуе нязьменная бачына з адрасам «%(url)s»"
+
+msgid "title"
+msgstr "назва"
+
+msgid "content"
+msgstr "зьмесьціва"
+
+msgid "enable comments"
+msgstr "дазволіць выказваньні"
+
+msgid "template name"
+msgstr "назва шаблёну"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Прыклад: “flatpages/contact_page.html”. Калі не пазначаць нічога, сыстэма "
+"будзе ўжываць “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "трэба запісацца"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Калі абраць гэта, бачыну змогуць пабачыць толькі тыя карыстальнікі, што "
+"апазналіся."
+
+msgid "sites"
+msgstr "сайты"
+
+msgid "flat page"
+msgstr "нязьменная бачына"
+
+msgid "flat pages"
+msgstr "нязьменныя бачыны"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e7633dd8
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f7e35350
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# arneatec <arneatec@gmail.com>, 2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Venelin Stoykov <vkstoykov@gmail.com>, 2016
+# vestimir <vestimir@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2022-01-14 11:31+0000\n"
+"Last-Translator: arneatec <arneatec@gmail.com>\n"
+"Language-Team: Bulgarian (http://www.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Допълнителни опции"
+
+msgid "Flat Pages"
+msgstr "Информативни страници"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Пример: \"/about/contact/\".  Началната и крайната наклонена чертичка са "
+"задължителни."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Тази стойност трябва да съдържа само букви, цифри, точки, долни тирета, "
+"тирета, наклонени черти или тилди."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Пример: \"/about/contact/\". Началната наклонена чертичка е задължителна. "
+
+msgid "URL is missing a leading slash."
+msgstr "В URL липсва начална наклонена черта."
+
+msgid "URL is missing a trailing slash."
+msgstr "В URL липсва завършваща наклонена черта."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Flatpage с url %(url)s вече съществува за сайт %(site)s"
+
+msgid "title"
+msgstr "заглавие"
+
+msgid "content"
+msgstr "съдържание"
+
+msgid "enable comments"
+msgstr "позволяване на коментари"
+
+msgid "template name"
+msgstr "име на шаблон"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Пример: \"flatpages/contact_page.html\".  Ако това не е указано, системата "
+"ще използва \"flatpages/default.html\".  "
+
+msgid "registration required"
+msgstr "изисква се регистрация"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ако това е чекнато, само логнати потребители ще могат да виждат страницата.  "
+
+msgid "sites"
+msgstr "сайтове"
+
+msgid "flat page"
+msgstr "информативна страница"
+
+msgid "flat pages"
+msgstr "информативни страници"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9465be4e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7885c6cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,83 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tahmid Rafi <rafi.tahmid@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "এডভান্সড অপশন"
+
+msgid "Flat Pages"
+msgstr "ফ্ল্যাট পেজ"
+
+msgid "URL"
+msgstr "ইউআরএল (URL)"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr "উদাহরণঃ '/about/contact/'। শুরু এবং শেষের স্ল্যাশগুলো আবশ্যক।"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"এই মানটিতে শুধুমাত্র বর্ণ, অঙ্ক, পিরিয়ড, আন্ডারস্কোর, ড্যাশ,  স্ল্যাশ অথবা টিল্ড "
+"ক্যারেক্টার থাকতে পারবে।"
+
+msgid "URL is missing a leading slash."
+msgstr "ইউআরএল টির শুরুর স্ল্যাশ চিহ্নটি দেওয়া হয় নি।"
+
+msgid "URL is missing a trailing slash."
+msgstr "ইউআরএল টির শেষের স্ল্যাশ চিহ্নটি দেওয়া হয় নি।"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s সাইটের জন্য %(url)s ইউআরএল এর ফ্ল্যাটপেজ আগেই তৈরী করা হয়েছ।"
+
+msgid "title"
+msgstr "শিরোনাম"
+
+msgid "content"
+msgstr "কনটেন্ট"
+
+msgid "enable comments"
+msgstr "মন্তব্য প্রদান সচল করুন"
+
+msgid "template name"
+msgstr "টেমপ্লেট নাম"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"উদাহরণঃ ’flatpage/contact_page.html'। এটি যদি খালি থাকে, তবে সিস্টেম "
+"’flatpage/default.html' ব্যবহার করবে।"
+
+msgid "registration required"
+msgstr "নিবন্ধন আবশ্যক"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "এটি চেক করা হলে, শুধুমাত্র লগইন করা সদস্যরা পাতাটি দেখতে সমর্থ হবেন।"
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "ফ্লাট পাতা"
+
+msgid "flat pages"
+msgstr "ফ্লাট পাতা সমূহ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..48e491ee
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/br/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8fb6f1ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,95 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fulup <fulup.jakez@gmail.com>, 2012
+# Irriep Nala Novram <allannkorh@yahoo.fr>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-03-12 14:19+0000\n"
+"Last-Translator: Irriep Nala Novram <allannkorh@yahoo.fr>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "Advanced options"
+msgstr "Dibarzhioù araokaet"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Da skouer: '/diwar-benn/darempred/'. Bezit sur da gaout beskellioù \"/\" e "
+"penn-kentañ hag e fin ar chadenn."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"An dalvoudegezh-mañ a c'hall enderc'hel lizherennoù hepken, sifroù, pikoù, "
+"barrennigoù islinennañ, beskellioù pe tildeoù c'hoazh."
+
+msgid "Example: '/about/contact'. Make sure to have a leading slash."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr "An URL a vank enni ur veskell \"/\" en he fenn-kentañ."
+
+msgid "URL is missing a trailing slash."
+msgstr "An URL a vank enni ur veskell \"/\" en he dilost."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Ar bajenn difiñv d'an URL %(url)s a zo anezhi e-barzh al lec'hienn %(site)s "
+"endeo"
+
+msgid "title"
+msgstr "titl"
+
+msgid "content"
+msgstr "danvez"
+
+msgid "enable comments"
+msgstr "aotren an evezhiadennoù"
+
+msgid "template name"
+msgstr "anv patrom"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Da skouer : 'flatpages/contact_page.html'. Ma neket pourvezet, ar sistem a "
+"raio gant 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "enskrivadur rekiset"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ma vez kochet, ar bajenn a c'hallo bezañ gwelet gant an implijerien kevreet "
+"hepken."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "pajenn difiñv"
+
+msgid "flat pages"
+msgstr "pajennoù difiñv"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..752f8f3a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ddc68231
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Filip Dupanović <filip.dupanovic@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Advanced options"
+msgstr "Napredna podešavanja"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Primjer: '/about/contact/'. Pazite na to da postoje i početne i završne kose "
+"crte."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Ova vrijednost smije samo sadržati slova, brijeve, tačke, donje crte, crte, "
+"kose crte i tilde."
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "naslov"
+
+msgid "content"
+msgstr "sadržaj"
+
+msgid "enable comments"
+msgstr "omogući komentare"
+
+msgid "template name"
+msgstr "naziv obrazca"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Primjer: 'flatpages/contact_page.html'. Ako ovo ostavite praznim, sistem će "
+"koristiti 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "registracija obavezna"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ako je ovo obilježeno, samo će prijavljeni korisnici moći da vide ovu "
+"stranicu."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "statična stranica"
+
+msgid "flat pages"
+msgstr "statične stranice"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9d5dcc1e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ff25561c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2011
+# Carles Barrobés <carles@barrobes.com>, 2012,2014
+# Gil Obradors Via <gil.obradors@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Manel Clos <manelclos@gmail.com>, 2020
+# Roger Pons <rogerpons@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-04-28 20:26+0000\n"
+"Last-Translator: Manel Clos <manelclos@gmail.com>\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opcions avançades"
+
+msgid "Flat Pages"
+msgstr "Pàgines Estàtiques"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Exemple: '/about/contact/'. Assegureu-vos de posar les barres al principi i "
+"al final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Aquest valor sols pot contenir lletres, nombres, punts, subratllats, guions, "
+"barres o accents."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Exemple: '/about/contact/'. Assegureu-vos de posar la barra al principi."
+
+msgid "URL is missing a leading slash."
+msgstr "La URL no comença amb \"/\"."
+
+msgid "URL is missing a trailing slash."
+msgstr "La URL no acaba amb \"/\"."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Ja hi ha una pàgina estàtica amb la URL %(url)s per al lloc %(site)s"
+
+msgid "title"
+msgstr "títol"
+
+msgid "content"
+msgstr "contingut"
+
+msgid "enable comments"
+msgstr "habilitar comentaris"
+
+msgid "template name"
+msgstr "nom de la plantilla"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Exemple: 'flatpages/contact_page.html'. Si no es proporciona, el sistema "
+"utilitzarà 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "cal estar registrat"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Si està marcat, només els usuaris registrats podran veure la pàgina."
+
+msgid "sites"
+msgstr "llocs"
+
+msgid "flat page"
+msgstr "pàgina estàtica"
+
+msgid "flat pages"
+msgstr "pàgines estàtiques"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1448347b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..42548f96
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# kosar tofiq <kosar.belana@gmail.com>, 2020
+# Swara <swara09@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-04-24 19:03+0000\n"
+"Last-Translator: Swara <swara09@gmail.com>, 2022\n"
+"Language-Team: Central Kurdish (http://www.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "هەڵبژاردنە پێشکەوتووەکان"
+
+msgid "Flat Pages"
+msgstr "لاپەڕە تەختەکان"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "نمونە: “/about/contact/”. دڵنیابە کە هێڵی لاری پێش و پاشت نوسیوە."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"ئەم بەهایە دەبێت تەنها پیت، ژمارە، خاڵ، ژێر هێڵ، هێڵ، هێڵی لار یان پێچ "
+"لەخۆبگرێت."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "نمونە: “/about/contact”. دڵنیابە کە هێڵی لاری پێشەوەت نوسیوە"
+
+msgid "URL is missing a leading slash."
+msgstr "URL هێڵێکی لاری سەرەتای تێدا نییە."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL هێڵێکی لاری لە دواوە کەمە."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "لاپەڕەی تەخت لەگەڵ url %(url)s پێشتر بوونی هەیە بۆ پێگەی %(site)s"
+
+msgid "title"
+msgstr "ناونیشان"
+
+msgid "content"
+msgstr "ناوەخن"
+
+msgid "enable comments"
+msgstr "چالاککردنی سەرنجەکان"
+
+msgid "template name"
+msgstr "ناوی ڕووکار"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"نمونە: “flatpages/contact_page.html”. ئەگەر ئەمە دابین نەکراوە, سیستەمەکە "
+"“flatpages/default.html” بەکاردەهێنێت."
+
+msgid "registration required"
+msgstr "تۆمارکردن داواکراوە"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"ئەگەر ئەمە هەڵبژێردرابێت، ئەوا تەنها ئەو بەکارهێنەرانەی لە ژوورەوەن دەتوانن "
+"ئەم لاپەڕە ببینن."
+
+msgid "sites"
+msgstr "ماڵپەڕەکان"
+
+msgid "flat page"
+msgstr "لاپەڕەی تەخت"
+
+msgid "flat pages"
+msgstr "لاپەڕە تەختەکان"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2a737989
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..abf9bedb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2011-2012,2014
+# Vláďa Macek <macek@sandbox.cz>, 2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-19 09:23+0000\n"
+"Last-Translator: Vláďa Macek <macek@sandbox.cz>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Advanced options"
+msgstr "Pokročilá nastavení"
+
+msgid "Flat Pages"
+msgstr "Statické stránky"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Příklad: \"/about/contact/\". Ujistěte se, že máte počáteční a konečná "
+"lomítka."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Tato hodnota musí obsahovat pouze písmena, číslice, tečky, podtržítka, "
+"pomlčky, lomítka nebo vlnovky."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Příklad: \"/about/contact\". Úvodní lomítko je důležité."
+
+msgid "URL is missing a leading slash."
+msgstr "V adrese URL chybí úvodní lomítko."
+
+msgid "URL is missing a trailing slash."
+msgstr "V adrese URL chybí koncové lomítko."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Flat stránka s adresou %(url)s pro web %(site)s již existuje."
+
+msgid "title"
+msgstr "titulek"
+
+msgid "content"
+msgstr "obsah"
+
+msgid "enable comments"
+msgstr "povolit komentáře"
+
+msgid "template name"
+msgstr "název šablony"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Příklad: \"flatpages/kontaktni_stranka.html\". Pokud toto není zadáno, bude "
+"použita šablona \"flatpages/default.html\"."
+
+msgid "registration required"
+msgstr "nutná registrace"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Určuje, že tuto stránku uvidí pouze přihlášení uživatelé."
+
+msgid "sites"
+msgstr "weby"
+
+msgid "flat page"
+msgstr "statická stránka"
+
+msgid "flat pages"
+msgstr "statické stránky"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dbc72270
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b910e114
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Advanced options"
+msgstr "Opsiynau uwch"
+
+msgid "Flat Pages"
+msgstr "Tudalennau Fflat"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Enghraifft: '/amdanom/cyswllt/'. Sicrhewch fod gennych slaesau ar y dechrau "
+"a'r diwedd."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Gall y gwerth hwn ond gynnwys llythrennau, rhifau, dotiau, tanlinellau, "
+"llinellau doriad, slaesau neu tildeau."
+
+msgid "URL is missing a leading slash."
+msgstr "Mae'r slaes ar goll ar ddechrau'r URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Mae slaes ar goll ar ddiwedd yr URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Mae flatpage gyda'r url %(url)s yn bodoli yn barod am y safle  %(site)s"
+
+msgid "title"
+msgstr "teitl"
+
+msgid "content"
+msgstr "cynnwys"
+
+msgid "enable comments"
+msgstr "galluogi sylwadau"
+
+msgid "template name"
+msgstr "enw'r templed"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Enghraifft: 'flatpages/tudalen_cyswllt.html'. Os na ddarparir hyn, bydd y "
+"system yn defnyddio 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "cofrestriad gofynnol"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Os ticir hwn, dim ond defnyddwyr sydd wedi mewngofnodi bydd yn gallu gweld y "
+"dudalen."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "tudalen fflat"
+
+msgid "flat pages"
+msgstr "tudalennau fflat"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0e7f50d9
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..133810a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Christian Joergensen <christian@gmta.info>, 2012
+# Erik Wognsen <r4mses@gmail.com>, 2012,2014-2015,2019
+# Finn Gruwier Larsen, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-17 18:11+0000\n"
+"Last-Translator: Erik Wognsen <r4mses@gmail.com>\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Avancerede muligheder"
+
+msgid "Flat Pages"
+msgstr "Flade sider"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Eksempel: “/om/kontakt/”. Vær opmærksom på, at der skal være skråstreg både "
+"først og sidst."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Denne værdi må kun indeholde bogstaver, tal, punktum, understreger, "
+"bindestreger, skråstreger eller tilder."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Eksempel: “/om/kontakt/”. Vær opmærksom på, at der skal være skråstreg først."
+
+msgid "URL is missing a leading slash."
+msgstr "URL mangler en skråstreg i starten."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL mangler en afsluttende skråstreg."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "En flad side med URL'en %(url)s eksisterer allerede for siden %(site)s"
+
+msgid "title"
+msgstr "titel"
+
+msgid "content"
+msgstr "indhold"
+
+msgid "enable comments"
+msgstr "tillad kommentarer"
+
+msgid "template name"
+msgstr "skabelonnavn"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Eksempel: “flatpages/kontaktside”. Hvis dette ikke gives bruger systemet "
+"“flatpages/default”."
+
+msgid "registration required"
+msgstr "registrering påkrævet"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Hvis denne boks er markeret, vil kun brugere der er logget ind, kunne se "
+"siden."
+
+msgid "sites"
+msgstr "websider"
+
+msgid "flat page"
+msgstr "flad side"
+
+msgid "flat pages"
+msgstr "flade sider"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bd863e29
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9aac43b6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Hagenbruch, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011,2013-2017,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-17 23:00+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Erweiterte Optionen"
+
+msgid "Flat Pages"
+msgstr "Flat Pages"
+
+msgid "URL"
+msgstr "Adresse (URL)"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Beispiel: „/about/contact/“. Wichtig: Am Anfang und Ende muss ein "
+"Schrägstrich („/“) stehen."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Dieser Wert darf nur Buchstaben, Ziffern, Punkte, Unterstriche, "
+"Bindestriche, Schrägstriche und Tilden enthalten."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Beispiel: „/about/contact“. Wichtig: Am Anfang muss ein Schrägstrich („/“) "
+"stehen."
+
+msgid "URL is missing a leading slash."
+msgstr "Der URL fehlt ein vorangestellter Schrägstrich."
+
+msgid "URL is missing a trailing slash."
+msgstr "Der URL fehlt ein abschließender Schrägstrich."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Flatpage mit der URL %(url)s ist für die Website %(site)s bereits vorhanden"
+
+msgid "title"
+msgstr "Titel"
+
+msgid "content"
+msgstr "Inhalt"
+
+msgid "enable comments"
+msgstr "Kommentare aktivieren"
+
+msgid "template name"
+msgstr "Name des Templates"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Beispiel: „flatpages/contact_page.html“. Wenn dieses Feld nicht gesetzt ist, "
+"wird standardmäßig „flatpages/default.html“ benutzt."
+
+msgid "registration required"
+msgstr "Registrierung erforderlich"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Wenn hier ein Haken gesetzt ist, können nur angemeldete Benutzer die Seite "
+"sehen."
+
+msgid "sites"
+msgstr "Websites"
+
+msgid "flat page"
+msgstr "Flat Page"
+
+msgid "flat pages"
+msgstr "Flat Pages"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..61c6eb0f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c6fc553f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2019-2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-02-25 16:06+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Advanced options"
+msgstr "Rozšyrjone nastajenja"
+
+msgid "Flat Pages"
+msgstr "Statiske boki"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Pśikład: „/about/contact/“. Pśeznańśo se, až sćo pódał wócynjajucu a "
+"zacynjajucu nakósnu smužku."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Toś ta gódnota smějo jano pismiki, licby, dypki, pódsmužki, , wězawki, "
+"nakósne smužki abo tildy wopśimowaś."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Pśikład: „/about/contact“. Pśeznańśo se, až maśo wjeducu nakósnu smužku."
+
+msgid "URL is missing a leading slash."
+msgstr "URL njama wócynjajucu nakósnu smužku."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL njama zacynjajucu nakósnu smužku."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Statiski bok z url %(url)s južo eksistěrujo za sedło %(site)s"
+
+msgid "title"
+msgstr "titel"
+
+msgid "content"
+msgstr "wopśimjeśe"
+
+msgid "enable comments"
+msgstr "komentary zmóžniś"
+
+msgid "template name"
+msgstr "mě pśedłogi"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Pśikład: „flatpages/contact_page.html“. Jolic to njejo pódane, buźo system "
+"„flatpages/default.html“ wužywaś."
+
+msgid "registration required"
+msgstr "registrěrowanje trěbne"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Jolic to jo zmóžnjone, mógu se jano pśizjawjone wužywarje bok woglědaś."
+
+msgid "sites"
+msgstr "sedła"
+
+msgid "flat page"
+msgstr "statiski bok"
+
+msgid "flat pages"
+msgstr "statiske boki"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f9174a12
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1f34dae6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Dimitris Glezos <glezos@transifex.com>, 2011
+# Fotis Athineos <fotis@transifex.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+# Pãnoș <panos.laganakos@gmail.com>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-08-04 06:27+0000\n"
+"Last-Translator: Fotis Athineos <fotis@transifex.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Προχωρημένες επιλογές"
+
+msgid "Flat Pages"
+msgstr "Απλές Σελίδες"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Παράδειγμα: “/about/contact/“. Βεβαιωθείτε ότι περιέχει καθέτους στην αρχή "
+"και το τέλος."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Η τιμή αυτή πρέπει να περιέχει μόνο γράμματα, αριθμούς, τελείες, παύλες, "
+"κάτω παύλες, καθέτους ή περισπωμένες."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Παράδειγμα: “/about/contact/“. Βεβαιωθείτε ότι περιέχει κάθετο στην αρχή."
+
+msgid "URL is missing a leading slash."
+msgstr "Λείπει μια αρχική κάθετος από την διεύθυνση."
+
+msgid "URL is missing a trailing slash."
+msgstr "Λείπει μια τελική κάθετος από τη διεύθυνση."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Υπάρχει ήδη Απλή σελίδα με διεύθυνση %(url)s για την ιστοσελίδα %(site)s"
+
+msgid "title"
+msgstr "τίτλος"
+
+msgid "content"
+msgstr "περιεχόμενο"
+
+msgid "enable comments"
+msgstr "ενεργοποίηση σχολίων"
+
+msgid "template name"
+msgstr "όνομα περιγράμματος"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Παράδειγμα: “flatpages/contact_page.html“. Αν δεν δηλωθεί, το σύστημα θα "
+"χρησιμοποιήσει το “flatpages/default.html“."
+
+msgid "registration required"
+msgstr "απαιτείται εγγραφή"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Εάν επιλεγεί, μόνο συνδεδεμένοι χρήστες θα μπορούν να βλέπουν τη σελίδα."
+
+msgid "sites"
+msgstr "ιστότοποι"
+
+msgid "flat page"
+msgstr "απλή σελίδα"
+
+msgid "flat pages"
+msgstr "απλές σελίδες"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8fe158ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,96 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: contrib/flatpages/admin.py:12
+msgid "Advanced options"
+msgstr ""
+
+#: contrib/flatpages/apps.py:7
+msgid "Flat Pages"
+msgstr ""
+
+#: contrib/flatpages/forms.py:9 contrib/flatpages/models.py:9
+msgid "URL"
+msgstr ""
+
+#: contrib/flatpages/forms.py:12
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+
+#: contrib/flatpages/forms.py:15
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+#: contrib/flatpages/forms.py:29
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+
+#: contrib/flatpages/forms.py:42
+msgid "URL is missing a leading slash."
+msgstr ""
+
+#: contrib/flatpages/forms.py:47
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#: contrib/flatpages/forms.py:64
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+#: contrib/flatpages/models.py:10
+msgid "title"
+msgstr ""
+
+#: contrib/flatpages/models.py:11
+msgid "content"
+msgstr ""
+
+#: contrib/flatpages/models.py:12
+msgid "enable comments"
+msgstr ""
+
+#: contrib/flatpages/models.py:14
+msgid "template name"
+msgstr ""
+
+#: contrib/flatpages/models.py:18
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+
+#: contrib/flatpages/models.py:23
+msgid "registration required"
+msgstr ""
+
+#: contrib/flatpages/models.py:24
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+#: contrib/flatpages/models.py:27
+msgid "sites"
+msgstr ""
+
+#: contrib/flatpages/models.py:31
+msgid "flat page"
+msgstr ""
+
+#: contrib/flatpages/models.py:32
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..354cbe6a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9e09c70b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Katie McLaughlin <katie@glasnt.com>, 2021
+# Tom Fifield <tom@tomfifield.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-06-23 07:20+0000\n"
+"Last-Translator: Katie McLaughlin <katie@glasnt.com>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/django/django/"
+"language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Advanced options"
+
+msgid "Flat Pages"
+msgstr "Flat Pages"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Example: “/about/contact”. Make sure to have a leading slash."
+
+msgid "URL is missing a leading slash."
+msgstr "URL is missing a leading slash."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL is missing a trailing slash."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Flatpage with url %(url)s already exists for site %(site)s"
+
+msgid "title"
+msgstr "title"
+
+msgid "content"
+msgstr "content"
+
+msgid "enable comments"
+msgstr "enable comments"
+
+msgid "template name"
+msgstr "template name"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "registration required"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"If this is checked, only logged-in users will be able to view the page."
+
+msgid "sites"
+msgstr "sites"
+
+msgid "flat page"
+msgstr "flat page"
+
+msgid "flat pages"
+msgstr "flat pages"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a85d1d16
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..68b61588
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# jon_atkinson <jon@jonatkinson.co.uk>, 2012
+# Ross Poulton <ross@rossp.org>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Advanced options"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+
+msgid "URL is missing a leading slash."
+msgstr "URL is missing a leading slash."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL is missing a trailing slash."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Flatpage with url %(url)s already exists for site %(site)s"
+
+msgid "title"
+msgstr "title"
+
+msgid "content"
+msgstr "content"
+
+msgid "enable comments"
+msgstr "enable comments"
+
+msgid "template name"
+msgstr "template name"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "registration required"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"If this is checked, only logged-in users will be able to view the page."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "flat page"
+
+msgid "flat pages"
+msgstr "flat pages"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..16e74c30
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7a661721
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2011-2012
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2014-2015,2017,2019
+# Matthieu Desplantes <matmututu@gmail.com>, 2021
+# Meiyer <interdist+translations@gmail.com>, 2022
+# Robin van der Vliet <info@robinvandervliet.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2022-04-24 19:03+0000\n"
+"Last-Translator: Meiyer <interdist+translations@gmail.com>, 2022\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Altnivelaj elektoj"
+
+msgid "Flat Pages"
+msgstr "Simplaj paĝoj"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Ekzemple: “/about/contact/”. Certigu, ke estas suprenstrekoj komence kaj "
+"fine."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Ĉi tiu valoro devus enhavi sole literojn, ciferojn, punktojn, substrekojn, "
+"haltostrekojn, oblikvajn strekojn, aŭ tildojn."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Ekzemple: “/about/contact”. Certigu, ke estas suprenstreko komence."
+
+msgid "URL is missing a leading slash."
+msgstr "La strek-signo ‘/’ ne ĉeestas en la komenco de URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "La strek-signo ‘/’ ne ĉeestas en la fino de URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Simpla paĝo kun URL %(url)s jam ekzistas por la retejo %(site)s"
+
+msgid "title"
+msgstr "titolo"
+
+msgid "content"
+msgstr "enhavo"
+
+msgid "enable comments"
+msgstr "ebligi rimarkojn"
+
+msgid "template name"
+msgstr "nomo de ŝablono"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Ekzemple: “flatpages/contact_page.html”. Se la ŝablono ne estas indikita, "
+"estos uzata “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "registriĝo postulita"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Kiam la marko-butono estas elektita, nur ensalutintaj uzantoj povas rigardi "
+"la paĝon."
+
+msgid "sites"
+msgstr "retejoj"
+
+msgid "flat page"
+msgstr "simpla paĝo"
+
+msgid "flat pages"
+msgstr "simplaj paĝoj"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..33d67b07
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..060a3857
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2011-2012
+# Ernesto Avilés, 2015
+# Ernesto Avilés, 2014
+# Ignacio José Lizarán Rus <ilizaran@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Uriel Medina <urimeba511@gmail.com>, 2020
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-09-25 17:43+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opciones avanzadas"
+
+msgid "Flat Pages"
+msgstr "Páginas estáticas"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Ejemplo: “/about/contact/”. Asegúrese de tener barras al principio y al "
+"final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor solo puede contener letras, números, puntos, guiones bajos o "
+"medios, barras o tildes."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Ejemplo: \"/about/contact”. Asegúrese de tener una barra al principio."
+
+msgid "URL is missing a leading slash."
+msgstr "A la URL le falta la barra inicial."
+
+msgid "URL is missing a trailing slash."
+msgstr "A la URL le falta la barra final."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr " En el sitio %(site)s ya hay una pagina estática con la url %(url)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "contenido"
+
+msgid "enable comments"
+msgstr "habilitar comentarios"
+
+msgid "template name"
+msgstr "nombre de plantilla"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Ejemplo: \"flatpages/contact_page.html\". Si no se proporciona, el sistema "
+"utilizará \"flatpages/default.html\"."
+
+msgid "registration required"
+msgstr "Se requiere registro"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Si está marcado, sólo los usuarios registrados podrán ver la página."
+
+msgid "sites"
+msgstr "sitios"
+
+msgid "flat page"
+msgstr "página estática"
+
+msgid "flat pages"
+msgstr "páginas estáticas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d28b2e46
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0c0d4a9c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2011-2012,2014-2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-10-01 10:25+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Spanish (Argentina) (http://www.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opciones avanzadas"
+
+msgid "Flat Pages"
+msgstr "Páginas Estáticas"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Ejemplo: “/about/contact/”. Asegúrese de usar barras '/' al principio y al "
+"final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor debe contener solamente letras, números, puntos, guiones bajos, "
+"guiones (-), barras (/) o tildes."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Ejemplo: “/about/contact”. Asegúrese de usar una barra ('/') al principio."
+
+msgid "URL is missing a leading slash."
+msgstr "A la URL le falta una / al principio."
+
+msgid "URL is missing a trailing slash."
+msgstr "A la URL le falta una / al final."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Ya existe una flatpage con url %(url)s para el sitio %(site)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "contenido"
+
+msgid "enable comments"
+msgstr "activar comentarios"
+
+msgid "template name"
+msgstr "nombre de plantilla"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Ejemplo: “flatpages/contact_page.html”. Si no lo proporciona, el sistema "
+"usará “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "debe estar registrado"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Si está marcado, sólo los usuarios registrados podrán ver la página."
+
+msgid "sites"
+msgstr "sitios"
+
+msgid "flat page"
+msgstr "página estática"
+
+msgid "flat pages"
+msgstr "páginas estáticas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0564ec3d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c9770355
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ernesto Avilés Vázquez <whippiii@gmail.com>, 2014-2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-20 03:01+0000\n"
+"Last-Translator: Carlos Muñoz <cmuozdiaz@outlook.com>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opciones avanzadas"
+
+msgid "Flat Pages"
+msgstr "Páginas estáticas"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Ejemplo: '/about/contact/'. Asegúrese de que pone barras al principio y al "
+"final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor solo puede contener letras, números, puntos, guiones bajos o "
+"medios, barras o tildes."
+
+msgid "URL is missing a leading slash."
+msgstr "A la URL le falta la barra inicial."
+
+msgid "URL is missing a trailing slash."
+msgstr "A la URL le falta la barra final."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr " En el sitio %(site)s ya hay un Flatpage con la url %(url)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "contenido"
+
+msgid "enable comments"
+msgstr "habilitar comentarios"
+
+msgid "template name"
+msgstr "nombre de plantilla"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Ejemplo: 'flatpages/contact_page.html'. Si no se proporciona uno, el sistema "
+"usará 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "debe estar registrado"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Si está marcado, sólo los usuarios registrados podrán ver la página."
+
+msgid "sites"
+msgstr "sitios"
+
+msgid "flat page"
+msgstr "página estática"
+
+msgid "flat pages"
+msgstr "páginas estáticas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9b3ce53b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1fbad5ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abraham Estrada, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opciones avanzadas"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Ejemplo: '/acerca/contacto/'. Asegúrese de usar barras '/' al principio y al "
+"final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor debe contener solamente letras, números, puntos, guiones bajos, "
+"guiones (-), barras (/) o tildes."
+
+msgid "URL is missing a leading slash."
+msgstr "A la URL le falta una diagonal al inicio"
+
+msgid "URL is missing a trailing slash."
+msgstr "A la URL le falta una diagonal al final"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "La página con la url %(url)s ya existe para el sitio %(site)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "contenido"
+
+msgid "enable comments"
+msgstr "activar comentarios"
+
+msgid "template name"
+msgstr "nombre de la plantilla"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Ejemplo: 'flatpages/pagina_contacto.html'. Si no lo proporciona, el sistema "
+"usará 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "necesario registrarse"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Si está marcado, sólo los usuarios registrados podrán ver la página."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "página estática"
+
+msgid "flat pages"
+msgstr "páginas estática"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..daa82b4d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dbaf54bb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2016
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Leonardo J. Caballero G. <leonardocaballero@gmail.com>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/django/django/"
+"language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opciones avanzadas"
+
+msgid "Flat Pages"
+msgstr "Páginas estáticas"
+
+msgid "URL"
+msgstr "Dirección URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Ejemplo: '/about/contact/'. Asegúrese de que pone barras al principio y al "
+"final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor solo puede contener letras, números, puntos, guiones bajos o "
+"medios, barras o tildes."
+
+msgid "URL is missing a leading slash."
+msgstr "A la URL le falta la barra inicial."
+
+msgid "URL is missing a trailing slash."
+msgstr "A la URL le falta la barra final."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "La página estática con la url %(url)s ya existe para el sitio %(site)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "contenido"
+
+msgid "enable comments"
+msgstr "permitir comentarios"
+
+msgid "template name"
+msgstr "nombre de la plantilla"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Ejemplo: 'flatpages/contact_page.html'. Si no se proporciona uno, el sistema "
+"usará 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "es necesario registrarse"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Si está marcado, sólo los usuarios registrados podrán ver la página."
+
+msgid "sites"
+msgstr "sitios"
+
+msgid "flat page"
+msgstr "página estática"
+
+msgid "flat pages"
+msgstr "páginas estáticas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..82b3c23b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..da51a04d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2013-2015
+# madisvain <madisvain@gmail.com>, 2011
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-28 02:36+0000\n"
+"Last-Translator: Ragnar Rebase <rrebase@gmail.com>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Lisavalikud"
+
+msgid "Flat Pages"
+msgstr "Sisulehed"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Näide: “/about/contact/”. Veenduge, et URL algaks ja lõppeks kaldkriipsuga."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"See väärtus peab sisaldama ainult tähti, numbreid, punkte, alakriipse, "
+"kriipse, kaldkriipse või tildeseid."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Näide: “/about/contact”. Veenduge, et URL algaks kaldkriipsuga."
+
+msgid "URL is missing a leading slash."
+msgstr "Internetiaadressil puudub alustav kaldkriips"
+
+msgid "URL is missing a trailing slash."
+msgstr "Internetiaadressil puudub lõpetav kaldkriips"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Saidil %(site)s on sisuleht aadressiga %(url)s juba olemas"
+
+msgid "title"
+msgstr "pealkiri"
+
+msgid "content"
+msgstr "sisu"
+
+msgid "enable comments"
+msgstr "võimalda kommentaarid"
+
+msgid "template name"
+msgstr "mall"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Näide: “flatpages/contact_page.html”.  Kui mall on määramata, kasutatakse "
+"vaikimisi malli “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "registreerumine nõutav"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Kui see on valitud, näevad lehte ainult sisselogitud kasutajad"
+
+msgid "sites"
+msgstr "saidid"
+
+msgid "flat page"
+msgstr "sisuleht"
+
+msgid "flat pages"
+msgstr "sisulehed"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b49fd450
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..66f3d482
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aitzol Naberan <anaberan@codesyntax.com>, 2011-2012
+# Eneko Illarramendi <eneko@illarra.com>, 2017,2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-01-22 10:01+0000\n"
+"Last-Translator: Eneko Illarramendi <eneko@illarra.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Aukera aurreratuak"
+
+msgid "Flat Pages"
+msgstr "Flatpage-ak"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Adibidez: '/about/contact/'. Ziurta zaitez '/' karaktera hasieran eta "
+"bukaeran dagoela."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Eremu honetan soilik hizki, zenbaki, puntu, azpimarra, marra, / edo ~ egon "
+"daitezke."
+
+msgid "Example: '/about/contact'. Make sure to have a leading slash."
+msgstr "Adibidez: '/about/contact'. Ez ahaztu hasieran barra bat gehitzea."
+
+msgid "URL is missing a leading slash."
+msgstr "URLak hasierako / falta du."
+
+msgid "URL is missing a trailing slash."
+msgstr "URLk bukaerako / falta du."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s webgunean dagoeneko existitzende %(url)s urldun Flatpage bat"
+
+msgid "title"
+msgstr "izenburua"
+
+msgid "content"
+msgstr "edukia"
+
+msgid "enable comments"
+msgstr "komentarioak onartu"
+
+msgid "template name"
+msgstr "plantila izena"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Adibidez: 'flatpages/contact_page.html'. Hau zehazten ez bada, sistemak "
+"'flatpages/default.html' erabiliko du."
+
+msgid "registration required"
+msgstr "erregistratzea beharrezkoa da"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Hau markatuta badago, erregistratutako erabiltzaileek bakarrik ikusiko dute "
+"orria."
+
+msgid "sites"
+msgstr "webguneak"
+
+msgid "flat page"
+msgstr "flat page"
+
+msgid "flat pages"
+msgstr "flat pages"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d884e7eb
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cf0477c0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Nikneshan <ali@nikneshan.com>, 2011-2012
+# Ali Vakilzade <ali.vakilzade@gmail.com>, 2015
+# Fariman Ghaedi <farimanghaedi@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# rahim agh <rahim.aghareb@gmail.com>, 2021
+# Reza Mohammadi <reza@teeleh.ir>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-04-19 03:16+0000\n"
+"Last-Translator: rahim agh <rahim.aghareb@gmail.com>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Advanced options"
+msgstr "گزینه‌های پیشرفته"
+
+msgid "Flat Pages"
+msgstr "صفحات تخت"
+
+msgid "URL"
+msgstr "نشانی اینترنتی"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"مثال: '/about/contact/'. مطمئن شوید که اسلش را هم در ابتدا و هم در انتها "
+"گذاشته‌اید."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr "این مقدار فقط باید حاوی حروف، اعداد، خط زیر، خط تیره و یا اسلش باشد."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "مثال: 'about/contact/'. مطمئن شوید که یک اسلش در ابتدا وجود دارد. "
+
+msgid "URL is missing a leading slash."
+msgstr "در آدرس اسلش آغازین فراموش شده است."
+
+msgid "URL is missing a trailing slash."
+msgstr "در آدرس اسلش پایانی فراموش شده است."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "صفحه تخت با آدرس %(url)s برای سایت %(site)s وجود دارد "
+
+msgid "title"
+msgstr "عنوان"
+
+msgid "content"
+msgstr "محتوا"
+
+msgid "enable comments"
+msgstr "فعال کردن نظرات"
+
+msgid "template name"
+msgstr "نام قالب"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"مثال: 'flatpages/contact_page.html'. اگر این مشخص نشود، سیستم از 'flatpages/"
+"default.html' استفاده خواهد کرد."
+
+msgid "registration required"
+msgstr "عضویت لازم است"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"اگر این انتخاب شود، فقط کاربران وارد شده خواهند توانست این صفحه را مشاهده "
+"نمایند."
+
+msgid "sites"
+msgstr "وب‌گاه‌ها"
+
+msgid "flat page"
+msgstr "صفحه تخت"
+
+msgid "flat pages"
+msgstr "صفحات تخت"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c71b4ec4
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..789cd92d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Klaus Dahlén <klaus.dahlen@gmail.com>, 2012
+# Ville Säävuori <ville@unessa.net>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-12-09 06:32+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Lisäasetukset"
+
+msgid "Flat Pages"
+msgstr "Tekstisivut"
+
+msgid "URL"
+msgstr "URL-osoite"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Esimerkki: '/tietoja/yhteystiedot/'. Varmista että sekä alussa että lopussa "
+"on kauttaviiva."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Tämä arvo saa sisältää vain kirjaimia, numeroita, pisteitä sekä ala-, tavu-, "
+"kautta- ja aaltoviivoja."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Esimerkki: \"/tietoja/yhteystiedot/\". Varmista että alussa on kauttaviiva."
+
+msgid "URL is missing a leading slash."
+msgstr "URL:n alusta puuttuu kauttaviiva."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL:n lopusta puuttuu kauttaviiva."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Sivustolla %(site)s on jo sivu, jonka URL on %(url)s"
+
+msgid "title"
+msgstr "otsikko"
+
+msgid "content"
+msgstr "sisältö"
+
+msgid "enable comments"
+msgstr "salli kommentit"
+
+msgid "template name"
+msgstr "mallipohjan nimi"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Esimerkiksi: \"flatpages/yhteydenotto.html'\" Jos tämä jätetään tyhjäksi, "
+"käytetään oletuspohjaa \"flatpages/default.html\"."
+
+msgid "registration required"
+msgstr "vaaditaan rekisteröityminen"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Jos tämä kohta on valittu, vain sisäänkirjautuneet käyttäjät näkevät sivun."
+
+msgid "sites"
+msgstr "sivustot"
+
+msgid "flat page"
+msgstr "tekstisivu"
+
+msgid "flat pages"
+msgstr "tekstisivut"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..41ed7dc7
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fb72ed9a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Simon Charette <charette.s@gmail.com>, 2012
+# Claude Paroz <claude@2xlibre.net>, 2014-2015,2019
+# Claude Paroz <claude@2xlibre.net>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 16:02+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Advanced options"
+msgstr "Options avancées"
+
+msgid "Flat Pages"
+msgstr "Pages statiques"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Par exemple, « /a_propos/contact/ ». Vérifiez la présence du caractère « / » "
+"en début et en fin de chaîne."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Cette valeur ne peut contenir que des lettres, des chiffres, des points, des "
+"soulignés, des tirets, des barres obliques ou des tildes."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Par exemple, « /a_propos/contact ». Vérifiez la présence du caractère « / » "
+"en début de chaîne."
+
+msgid "URL is missing a leading slash."
+msgstr "Le caractère « / » n'est pas présent en début de chaîne."
+
+msgid "URL is missing a trailing slash."
+msgstr "Le caractère « / » n'est pas présent en fin de chaîne."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "La page statique à l’URL %(url)s existe déjà pour le site %(site)s"
+
+msgid "title"
+msgstr "titre"
+
+msgid "content"
+msgstr "contenu"
+
+msgid "enable comments"
+msgstr "autoriser les commentaires"
+
+msgid "template name"
+msgstr "nom du gabarit"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Par exemple, « flatpages/contact_page.html ». Sans définition, le système "
+"utilisera « flatpages/default.html »."
+
+msgid "registration required"
+msgstr "enregistrement requis"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Si coché, seuls les utilisateurs connectés auront la possibilité de voir "
+"cette page."
+
+msgid "sites"
+msgstr "sites"
+
+msgid "flat page"
+msgstr "page statique"
+
+msgid "flat pages"
+msgstr "pages statiques"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fy/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..29912b3c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,74 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr ""
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr ""
+
+msgid "content"
+msgstr ""
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr ""
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8e80c107
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ga/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3f0b0975
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Michael Thornhill <michael@maithu.com>, 2011-2012,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Advanced options"
+msgstr "Ard-rogha"
+
+msgid "Flat Pages"
+msgstr "Leathanaigh Maol"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Sampla '/about/contact/' Déan cinnte go bhfuil príomhslaid agus cúlslais "
+"agat."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Ní mór an luach a bhfuil ach litreacha, uimhreacha, poncanna, béim, dashes, "
+"slaiseanna nó thilde."
+
+msgid "URL is missing a leading slash."
+msgstr "Tá slais tosaigh in easnamh ag an URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Tá slais deireanach in easnamh ag an URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Tá flatpage le url %(url)s ann cheana le suíomh %(site)s."
+
+msgid "title"
+msgstr "teideal"
+
+msgid "content"
+msgstr "inneachar"
+
+msgid "enable comments"
+msgstr "Cuir nótaí tráchta ar chumas"
+
+msgid "template name"
+msgstr "ainm an teimpléid"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Sampla: 'flatpages/contact_page.html'. Muna bhfuil sé ar soláthair, bainfidh "
+"an córás úsáid as 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "clárúchán riachtanach"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Dá mbéadh é seo seicailte, ní beidh ach úsáideora logáilte isteach in ann an "
+"leathanach seo a fheiceail"
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "leacleathanach"
+
+msgid "flat pages"
+msgstr "leacleathanaigh"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c430c58f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1e99447b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,95 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-13 12:47+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Advanced options"
+msgstr "Roghainnean adhartach"
+
+msgid "Flat Pages"
+msgstr "Duilleagan rèidhe"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Mar eisimpleir: “/mu-dheidhinn/fios-thugainn/”. Dèan cinnteach gum bi slais "
+"air an toiseach ’s air an deireadh."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Chan fhaod ach litrichean, àireamhan, puingean, fo-loidhnichean, tàthanan, "
+"slaisichean is tuinn a bhith san luach."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Mar eisimpleir: “/mu-dheidhinn/fios-thugainn/”. Dèan cinnteach gum bi slais "
+"air an toiseach ’s air an deireadh."
+
+msgid "URL is missing a leading slash."
+msgstr "Tha slais a dhìth air thoiseach an URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Tha slais a dhìth air deireadh an URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Tha duilleag rèidh le url %(url)s ann mar-tà airson na làraich %(site)s"
+
+msgid "title"
+msgstr "tiotal"
+
+msgid "content"
+msgstr "susbaint"
+
+msgid "enable comments"
+msgstr "cuir beachdan an comas"
+
+msgid "template name"
+msgstr "ainm na teamplaid"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Ball-eisimpleir: “flatpages/duilleag_fios_thugainn.html”. Mura dèid seo a "
+"sholar-cleachdaidh an siostam “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "tha clàradh riatanach"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ma tha cromag ris, chan faic ach na chleachdaichean a chlàraich a-steach an "
+"duilleag seo."
+
+msgid "sites"
+msgstr "làraichean"
+
+msgid "flat page"
+msgstr "duilleag rèidh"
+
+msgid "flat pages"
+msgstr "duilleagan rèidhe"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4b784c2e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..22b733ac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fasouto <fsoutomoure@gmail.com>, 2011
+# fonso <fonzzo@gmail.com>, 2011,2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-04-24 19:03+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opcións avanzadas"
+
+msgid "Flat Pages"
+msgstr "Páxinas simples"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "Exemplo: “/about/contact”. Lembre incluír as barras inicial e final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor soamente pode conter letras, números, puntos, guións baixos, "
+"guións, barras inclinadas e tiles do eñe (~)."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Exemplo: “/about/contact”. Lembre incluír a barra inicial."
+
+msgid "URL is missing a leading slash."
+msgstr "Falta unha barra inclinada no principio da URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Falta unha barra inclinada no final da URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Xa existe unha páxina simple con url %(url)s no sitio %(site)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "contido"
+
+msgid "enable comments"
+msgstr "activar comentarios"
+
+msgid "template name"
+msgstr "nome da plantilla"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Exemplo: “flatpages/contact_page.html”. Se non se especifica, o sistema "
+"usará “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "require rexistro"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Se se marca, só poderán ver a páxina os usuarios identificados."
+
+msgid "sites"
+msgstr "sitios"
+
+msgid "flat page"
+msgstr "páxina simple"
+
+msgid "flat pages"
+msgstr "páxinas simples"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4d5347ee
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/he/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e703c63a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# 534b44a19bf18d20b71ecc4eb77c572f_db336e9 <f8268c65f822ec11a3a2e5d482cd7ead_175>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2012,2014-2015,2019-2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-08-02 13:26+0000\n"
+"Last-Translator: Meir Kriheli <mkriheli@gmail.com>\n"
+"Language-Team: Hebrew (http://www.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Advanced options"
+msgstr "אפשרויות מתקדמות"
+
+msgid "Flat Pages"
+msgstr "דפים פשוטים"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "דוגמה: “/about/contact/”. יש לוודא שמכיל קווים נטויים בהתחלה ובסוף."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"הערך הזאת חייב להכיל רק אותיות, מספרים, נקודות, מקפים, קווים תחתונים, חתכים "
+"או סימני טילדה בלבד."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "דוגמה: “‎/about/contact”. יש לוודא שמכיל קו נטוי בהתחלה."
+
+msgid "URL is missing a leading slash."
+msgstr "חסר קו נטוי בתחילת URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "חסר קו נטוי בסוף URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "קיים כבר דף פשוט עם  url %(url)s עבור אתר %(site)s"
+
+msgid "title"
+msgstr "כותרת"
+
+msgid "content"
+msgstr "תוכן"
+
+msgid "enable comments"
+msgstr "אפשר תגובות"
+
+msgid "template name"
+msgstr "שם תבנית"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"דוגמה: “flatpages/contact_page.html”. אם לא צוין, המערכת תשתמש ב־“flatpages/"
+"default.html”."
+
+msgid "registration required"
+msgstr "הרשמה נדרשת"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "אם מסומן, רק משתמשים מחוברים יוכלו לצפות בדף."
+
+msgid "sites"
+msgstr "אתרים"
+
+msgid "flat page"
+msgstr "דף פשוט"
+
+msgid "flat pages"
+msgstr "דפים פשוטים"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ca42d15f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..18518341
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,81 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chandan kumar <chandankumar.093047@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sandeep Satavlekar <sandysat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "उन्नत विकल्प"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr "अग्रणी है और अनुगामी स्लैश का होना सुनिश्चित करें. उदाहरण: '/about/contact/'"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr "इस मूल्य में सिर्फ वर्णाक्षर, अंक, बिंदु, रेखांकन, डैश, स्लैश और टिल्ड्स ही होने चाहिए"
+
+msgid "URL is missing a leading slash."
+msgstr "यूआरएल से प्रमुख स्लैश गायब है."
+
+msgid "URL is missing a trailing slash."
+msgstr "यूआरएल से अनुगामी स्लैश गायब है."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s साइट के लिए %(url)s यूआरएल के साथ चपटापृष्ट मौजूद है."
+
+msgid "title"
+msgstr "शीर्षक"
+
+msgid "content"
+msgstr "विषय सूची"
+
+msgid "enable comments"
+msgstr "टिप्पणियां सक्षम करें"
+
+msgid "template name"
+msgstr "सांचे का नाम"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"उदाहरण: 'flatpages/contact_page.html'. यदि यह जिक्र नहीं किया तो यह प्रणाली "
+"'flatpages/default.html' का प्रयोग करेगी. ."
+
+msgid "registration required"
+msgstr "पंजीकरण आवश्यक"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "अगर इस जाँच की है, केवल लॉग इन करने वालों के लिए पृष्ठ देखने में सक्षम हो जाएगा."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "चपटा पृष्ट"
+
+msgid "flat pages"
+msgstr "चपटे पृष्ट"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d310400d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7e7c1632
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# aljosa <aljosa.mohorovic@gmail.com>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Mislav Cimperšak <mislav.cimpersak@gmail.com>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Advanced options"
+msgstr "Napredne opcije"
+
+msgid "Flat Pages"
+msgstr "Statične stranice"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Primjer: '/about/contact/'. Provjerite ako imate prvi i preostale slash-eve "
+"(/)."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Ova vrijednost može sadržavati samo slova, brojeve, točke, podvlake, crtice, "
+"kose crte ili tilde."
+
+msgid "URL is missing a leading slash."
+msgstr "URL-u nedostaje početni /."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL-u nedostaje / na kraju."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Stranica sa URL-om %(url)s već postoji za web %(site)s"
+
+msgid "title"
+msgstr "naslov"
+
+msgid "content"
+msgstr "sadržaj"
+
+msgid "enable comments"
+msgstr "uključi komentare"
+
+msgid "template name"
+msgstr "ime template-a"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Primjer: 'flatpages/contact_page.html'. Ako navedeno nije definirano sistem "
+"će koristiti 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "registracija obavezna"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ako je ovo selektirano samo logirani korisnici moći će vidjeti ovu stranicu."
+
+msgid "sites"
+msgstr "stranice"
+
+msgid "flat page"
+msgstr "statična stranica"
+
+msgid "flat pages"
+msgstr "statične stranice"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b8111a21
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3df5cab2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-21 19:28+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Advanced options"
+msgstr "Rozšěrjene nastajenja"
+
+msgid "Flat Pages"
+msgstr "Statiske strony"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Přikład: '/about/contact/'. Přeswědčće so, zo sće wočinjace a začinjace "
+"nakósne smužki podał."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Tuta hódnota smě jenož pismiki, ličby, dypki, podsmužki, wjazawki, nakósne "
+"smužki abo tildy wobsahować."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Přikład: 'about/contact'. Zawěsćće, zo maće nawodnu nakósnu smužku."
+
+msgid "URL is missing a leading slash."
+msgstr "URL wočinjacu nakósnu smužku nima."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL začinjacu nakósnu smužku nima."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Statiska strona z url %(url)s hižo za sydło %(site)s eksistuje"
+
+msgid "title"
+msgstr "titul"
+
+msgid "content"
+msgstr "wobsah"
+
+msgid "enable comments"
+msgstr "komentary zmóžnić"
+
+msgid "template name"
+msgstr "mjeno předłohi"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Přikład: 'flatpages/contact_page.html'. Jeli to njeje podate, budźe system "
+"'flatpages/default.html' wužiwać."
+
+msgid "registration required"
+msgstr "registrowanje trěbne"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Jeli to je zmóžnjene, móža sej jenož přizjewjeni wužiwarjo stronu wobhladać."
+
+msgid "sites"
+msgstr "sydła"
+
+msgid "flat page"
+msgstr "statiska strona"
+
+msgid "flat pages"
+msgstr "statiske strony"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ccf6f739
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ebc44ba5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,94 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016,2019
+# Istvan Farkas <istvan.farkas@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Szilveszter Farkas <szilveszter.farkas@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-18 10:16+0000\n"
+"Last-Translator: Istvan Farkas <istvan.farkas@gmail.com>\n"
+"Language-Team: Hungarian (http://www.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "További beállítások"
+
+msgid "Flat Pages"
+msgstr "Egyszerű oldalak"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Példa: \"/rolunk/kapcsolat/\" Bizonyosodjon meg róla, hogy a kezdő és záró "
+"\"/\" karakterek a helyükön vannak."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Ez az érték csak betűt, számot, pontot, aláhúzást, kötőjelet, perjelet, vagy "
+"hullámot tartalmazhat."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Példa: \"/rolunk/kapcsolat\". Bizonyosodjon meg róla, hogy \"/\" karakterrel "
+"kezdődik."
+
+msgid "URL is missing a leading slash."
+msgstr "AZ URL-ből hiányzik a kezdő perjel."
+
+msgid "URL is missing a trailing slash."
+msgstr "AZ URL-ből hiányzik a záró perjel."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s honlapon már létezik egyszerű oldal ezzel az URL-lel: %(url)s"
+
+msgid "title"
+msgstr "cím"
+
+msgid "content"
+msgstr "tartalom"
+
+msgid "enable comments"
+msgstr "megjegyzések engedélyezése"
+
+msgid "template name"
+msgstr "sablon neve"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Példa: \"flatpages/contact_page.html\". Ha ez nincs megadva, a rendszer a "
+"\"flatpages/default.html\" értéket fogja használni."
+
+msgid "registration required"
+msgstr "regisztráció szükséges"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ha ez be van jelölve, csak bejelentkezett felhasználó tudja az oldalt "
+"megnézni."
+
+msgid "sites"
+msgstr "honlapok"
+
+msgid "flat page"
+msgstr "egyszerű oldal"
+
+msgid "flat pages"
+msgstr "egyszerű oldalak"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..447dc4e6
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7e9ee66b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2018-11-01 20:34+0000\n"
+"Last-Translator: Ruben Harutyunov <rharutyunov@mail.ru>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Ընդլայնված կարգավորումներ"
+
+msgid "Flat Pages"
+msgstr "Պարզ էջեր"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Օրինակ․ '/about/contact/'։ Համոզվեք, որ մուտքագրել եք սկզբի և վերջի թեք "
+"գծերը։"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Այս արժեքը պետք է պարունակի միայն տառեր, թվեր, կետեր, ընդգծումներ, գծեր, թեք "
+"գծեր կամ ալիքանշաններ։"
+
+msgid "URL is missing a leading slash."
+msgstr "URL֊ը չունի սկզբի թեք գիծ։"
+
+msgid "URL is missing a trailing slash."
+msgstr "URL֊ը չունի վերջի թեք գիծ։"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(url)s url֊ով էջ արդեն գոյություն ունի %(site)s կայքի համար"
+
+msgid "title"
+msgstr "վերնագիր"
+
+msgid "content"
+msgstr "պարունակություն"
+
+msgid "enable comments"
+msgstr "միացնել մեկնաբանությունները"
+
+msgid "template name"
+msgstr "template֊ի անունը"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Օրինակ․ 'flatpages/contact_page.html'։ Եթե տրամադրված չէ, համակարգը "
+"կօգտագործի 'flatpages/default.html' ֆայլը։"
+
+msgid "registration required"
+msgstr "պահանջվում է գրանցվել"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Եթե սա նշված է, միայն մուտք գործած օգտագործողները կկարողանան դիտել էջը։"
+
+msgid "sites"
+msgstr "կայքեր"
+
+msgid "flat page"
+msgstr "պարզ էջ"
+
+msgid "flat pages"
+msgstr "պարզ էջեր"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8b37130d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3df229d3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,77 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr ""
+
+msgid "content"
+msgstr ""
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr ""
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4426268e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9057580f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2015-2016,2019-2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# rodin <romihardiyanto@gmail.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-02-06 02:33+0000\n"
+"Last-Translator: Fery Setiawan <gembelweb@gmail.com>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "Opsi lanjutan"
+
+msgid "Flat Pages"
+msgstr "Halaman Tetap"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Contoh: “/about/contact/”. Pastikan memiliki awalan dan akhiran garis miring."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Nilai hanya hanya dapat berisi huruf, angka, titik, garis bawah, tanda "
+"minus, garis miring, atau tanda tilde."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Contoh: “/about/contact”. Pastikan memiliki awalan garis miring."
+
+msgid "URL is missing a leading slash."
+msgstr "Tidak ada garis miring awal pada URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Tidak ada garis miring akhir pada URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Laman tetap %(url)s sudah ada untuk situs %(site)s"
+
+msgid "title"
+msgstr "judul"
+
+msgid "content"
+msgstr "isi"
+
+msgid "enable comments"
+msgstr "aktifkan komentar"
+
+msgid "template name"
+msgstr "nama templat"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Contoh: “flatpages/contact_page.html”. Jika tidak disediakan, sistem akan "
+"menggunakan “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "pendaftaran diwajibkan"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Jika dipilih, hanya pengguna ter-otentikasi yang bisa mengunjungi halaman "
+"ini."
+
+msgid "sites"
+msgstr "situs"
+
+msgid "flat page"
+msgstr "laman tetap"
+
+msgid "flat pages"
+msgstr "laman tetap"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..37ef71dd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..78e3fd01
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,74 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:34+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/projects/p/django/language/"
+"io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr ""
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr ""
+
+msgid "content"
+msgstr ""
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr ""
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..32956d25
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fbc5a03b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hafsteinn Einarsson <haffi67@gmail.com>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thordur Sigurdsson <thordur@ja.is>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-20 05:07+0000\n"
+"Last-Translator: Thordur Sigurdsson <thordur@ja.is>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Advanced options"
+msgstr "Ítarlegar stillingar"
+
+msgid "Flat Pages"
+msgstr "Flatskrár"
+
+msgid "URL"
+msgstr "Veffang"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "Dæmi: '/about/contact/'. Passaðu að hafa skástrik fremst og aftast."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Þessi reitur má aðeins innihalda bókstafi (ekki broddstafi), tölustafi og "
+"táknin . / - _ og ~."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Dæmi: '/about/contact'. Passaðu að hafa skástrik fremst."
+
+msgid "URL is missing a leading slash."
+msgstr "Skástrik vantar fremst í slóð"
+
+msgid "URL is missing a trailing slash."
+msgstr "Skástrik vantar aftast í slóð"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "'Flatpage' með slóðina %(url)s er þegar til fyrir síðuna %(site)s"
+
+msgid "title"
+msgstr "titill"
+
+msgid "content"
+msgstr "innihald"
+
+msgid "enable comments"
+msgstr "virkja athugasemdir"
+
+msgid "template name"
+msgstr "nafn sniðmáts"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Dæmi: 'flatpages/contact_page.html'. Ef ekkert er gefið upp mun kerfið nota "
+"'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "skráning nauðsynleg"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Ef þetta er valið geta eingöngu innskráðir notendur séð síðuna."
+
+msgid "sites"
+msgstr "vefir"
+
+msgid "flat page"
+msgstr "flatskrá"
+
+msgid "flat pages"
+msgstr "flatskrár"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7bc06b2e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..606a8d2d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carlo Miron <C8E@miron.it>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marco Bonetti, 2014
+# Mirco Grillo <mirco.grillomg@gmail.com>, 2020
+# palmux <palmux@gmail.com>, 2015,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-01-15 16:01+0000\n"
+"Last-Translator: palmux <palmux@gmail.com>\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opzioni avanzate"
+
+msgid "Flat Pages"
+msgstr "Flat Pages"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Per esempio: '/about/contact'. Assicurati che inizi e finisca con uno slash."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Questo valore deve contenere solo lettere, numeri, punti, underscore, "
+"trattini, barre diagonali o tilde."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Per esempio: '/about/contact'. Assicurati che inizi con uno slash."
+
+msgid "URL is missing a leading slash."
+msgstr "Manca una barra iniziale nella URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Manca una barra finale nella URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "La flatpage con url %(url)s esiste già per il sito %(site)s"
+
+msgid "title"
+msgstr "titolo"
+
+msgid "content"
+msgstr "contenuto"
+
+msgid "enable comments"
+msgstr "abilita commenti"
+
+msgid "template name"
+msgstr "nome template"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Esempio: \"flatpages/contact_page.html\". Se non specificato, il sistema "
+"userà \"flatpages/default.html\"."
+
+msgid "registration required"
+msgstr "registrazione obbligatoria"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Se selezionato, solo gli utenti che hanno effettuato l'accesso potranno "
+"vedere la pagina."
+
+msgid "sites"
+msgstr "siti"
+
+msgid "flat page"
+msgstr "flat page"
+
+msgid "flat pages"
+msgstr "flat pages"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6369ad4e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..67b7abd9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Shinichi Katsumata <shinichi.katsumata@gmail.com>, 2019
+# Shinya Okano <tokibito@gmail.com>, 2012,2014-2015
+# Takuya N <takninnovationresearch@gmail.com>, 2020
+# Tetsuya Morimoto <tetsuya.morimoto@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-02-07 16:07+0000\n"
+"Last-Translator: Takuya N <takninnovationresearch@gmail.com>\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "詳細設定"
+
+msgid "Flat Pages"
+msgstr "フラットページ"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"例: “/about/contact/”. 先頭と最後にスラッシュがあるか確認してください。"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"この値は文字、数字、ドット、アンダースコア、ダッシュ、スラッシュかチルダのみ"
+"でなければいけません。"
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "例: “/about/contact”. 先頭にスラッシュがあるか確認してください。"
+
+msgid "URL is missing a leading slash."
+msgstr "URLの先頭はスラッシュが必要です。"
+
+msgid "URL is missing a trailing slash."
+msgstr "URLの末尾はスラッシュが必要です。"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "URL %(url)s のフラットページは %(site)s のサイトに既に存在しています。"
+
+msgid "title"
+msgstr "タイトル"
+
+msgid "content"
+msgstr "内容"
+
+msgid "enable comments"
+msgstr "コメントを有効にする"
+
+msgid "template name"
+msgstr "テンプレート名"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"例: “flatpages/contact_page.html”. 指定しなければ、デフォルト値の “flatpages/"
+"default.html” を使います。"
+
+msgid "registration required"
+msgstr "登録が必要です"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "チェックした場合、ログインしたユーザーだけがページを参照できます。"
+
+msgid "sites"
+msgstr "サイト"
+
+msgid "flat page"
+msgstr "フラットページ"
+
+msgid "flat pages"
+msgstr "フラットページ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9b20adf6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3bf4bcc1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2013
+# avsd05 <avsd05@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Advanced options"
+msgstr "დამატებითი პარამეტრები"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"მაგალითი: '/about/contact/'. ყურადღება მიაქციეთ დახრილ ხაზებს თავში და "
+"ბოლოში."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"ეს მნიშვნელობა უნდა შეიცავდეს მხოლოდ ლათინურ ასოებს, ციფრებს, წერტილებს, "
+"ხაზგასმის ნიშნებს, დეფისებს, დახრილ ხაზებს და ტილდებს."
+
+msgid "URL is missing a leading slash."
+msgstr "URL-ს დასაწყისში აკლია დახრილი ხაზი."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL-ს ბოლოში აკლია დახრილი ხაზი."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "უბრალო გვერდი url-ით %(url)s უკვე არსებობს საიტისთვის %(site)s"
+
+msgid "title"
+msgstr "სათაური"
+
+msgid "content"
+msgstr "კონტენტი"
+
+msgid "enable comments"
+msgstr "ჩავრთოთ კომენტარები"
+
+msgid "template name"
+msgstr "შაბლონის სახელი"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"მაგალითი: 'flatpages/contact_page.html'. თუ იგი მითითებული არ არის, "
+"გამოყენებული იქნება 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "რეგისტრაცია აუცილებელია"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"თუ ეს დროშა ჩართულია, მხოლო შემოსულ მომხმარებლებს ექნებათ გვერდის "
+"დათვალიერების საშუალება."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "უბრალო გვერდი"
+
+msgid "flat pages"
+msgstr "უბრალო გვერდები"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f8ef0438
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4135eca0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Leo Trubach <leotrubach@gmail.com>, 2017
+# yun_man_ger <germanilyin@gmail.com>, 2011
+# Zhazira <zhazira.mt@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-01-18 00:18+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Advanced options"
+msgstr "Толық опциялар"
+
+msgid "Flat Pages"
+msgstr "Жай беттер"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Мысал: '/about/contact/'. Басында және аяғында слэштің болуын тексеріңіз."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Бұл мән тек әріптерден, сандардан, нүктелерден, төменгі сызықтардан, "
+"сызықшалардан, слэштерден немесе тильдалардан құралуы тиіс. "
+
+msgid "Example: '/about/contact'. Make sure to have a leading slash."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr "URLдың басында бөлшек белгісі жоқ"
+
+msgid "URL is missing a trailing slash."
+msgstr "URLдың аяғында бөлшек белгісі жоқ"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(url)s url'ымен жайбет %(site)s сайтта бұрыннан бар"
+
+msgid "title"
+msgstr "атау"
+
+msgid "content"
+msgstr "мазмұн"
+
+msgid "enable comments"
+msgstr "комментарийларды рұқсат ету"
+
+msgid "template name"
+msgstr "шаблон атауы"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Мысал: 'flatpages/contact_page.html'. Ештенке берілмесе, 'flatpages/default."
+"html' қолданылады."
+
+msgid "registration required"
+msgstr "тіркеу қажетті"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Бұл белгіленген жағдайда, тек енген қолданушылар ғана бетті көре алады."
+
+msgid "sites"
+msgstr "сайттар"
+
+msgid "flat page"
+msgstr "Жай бет"
+
+msgid "flat pages"
+msgstr "Жай беттер"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..73e5fa3d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8ed4eee2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/django/django/language/km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "អាស័យដ្ឋានគេហទំព័រ(URL)"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"ឧទាហរណ៍  '/about/contact/' ។ ត្រូវប្រាកដថាមានសញ្ញា / ទាំងនៅផ្នែកខាងមុខ និង ខាងក្រោយ។"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "ចំណងជើង"
+
+msgid "content"
+msgstr "អត្ថន័យ"
+
+msgid "enable comments"
+msgstr "អនុញ្ញាត"
+
+msgid "template name"
+msgstr "ឈ្មោះឯកសារគំរូ"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"ឧទាហរណ៍ 'flatpages/contact_page.html'។ ប្រសិនឯកសារនេះមិនមានទេ​"
+" នោះឯកសារ 'flatpages/default.html'នឹងត្រូវប្រើ។"
+
+msgid "registration required"
+msgstr "ត្រូវការសមាជិកភាព"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "ប្រសិនជាចុចជ្រើសរើសយកជំរើសនេះ នោះ មានតែសមាជិកទេដែលអាចមើលទំព័រនេះបាន​។"
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "ទំព័ថ្មី"
+
+msgid "flat pages"
+msgstr "ទំព័ថ្មី"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ed64a6b8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..83198cc0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,82 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kannada (http://www.transifex.com/django/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"ಉದಾ:'/about/contact/'. ಮೊದಲು ಮತ್ತು ಕೊನೆಯಲ್ಲಿ ಓರೆಗೆರೆ (/) ಇರುವಂತೆ ನೋಡಿಕೊಳ್ಳಿ."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "ಶೀರ್ಷಿಕೆ"
+
+msgid "content"
+msgstr "ಒಳವಿಷಯ"
+
+msgid "enable comments"
+msgstr "ಟಿಪ್ಪಣಿಗಳನ್ನು ಸಕ್ರಿಯಗೊಳಿಸಿ"
+
+msgid "template name"
+msgstr "ಟೆಂಪ್ಲೇಟಿನ ಹೆಸರು"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"ಉದಾ:'flatpages/contact_page.html'. ಇದನ್ನು ಕೊಡದಿದ್ದರೆ ಗಣಕವ್ಯವಸ್ಥೆಯು  'flatpages/"
+"default.html' ಅನ್ನು ಬಳಸುವದು."
+
+msgid "registration required"
+msgstr "ನೋಂದಾವಣೆ ಅಗತ್ಯವಿದೆ."
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"ಇದರಲ್ಲಿ ಗುರುತು  ಮಾಡಿದರೆ,  ಒಳಬಂದ (ಲಾಗಿನ್ ಆದ) ಬಳಕೆದಾರರು ಮಾತ್ರ ಪುಟವನ್ನು ನೋಡಬಹುದು."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "ಚಪ್ಪಟೆ ಪುಟ"
+
+msgid "flat pages"
+msgstr "ಚಪ್ಪಟೆ  ಪುಟಗಳು"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6f13b0d4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ko/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f0f117aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jiyoon, Ha <cryptography@konkuk.ac.kr>, 2016
+# Ian Y. Choi <ianyrchoi@gmail.com>, 2015
+# Jaehong Kim <mixe@korea.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jay Oh <theanswer.jay@gmail.com>, 2020
+# Le Tartuffe <magno79@gmail.com>, 2014
+# Jonghwa Seo <dev@pincoin.co.kr>, 2019
+# JunGu Kang <chr0m3.kr@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-04 14:22+0000\n"
+"Last-Translator: Jay Oh <theanswer.jay@gmail.com>\n"
+"Language-Team: Korean (http://www.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "고급 옵션"
+
+msgid "Flat Pages"
+msgstr "플랫 페이지"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "앞, 뒤에 슬래시(/)를 넣으세요. 예:'/about/contact/' "
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"이 문자열은 문자, 숫자, 점, 언더스코어, 대쉬, 슬래시, 틸드만 사용해야 합니다."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "맨앞에 슬래시(/)를 반드시 넣으세요. 예: '/about/contact'"
+
+msgid "URL is missing a leading slash."
+msgstr "URL 맨 앞의 슬래시가 없습니다."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL 맨 뒤의 슬래시가 없습니다."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s 사이트에 %(url)s 을/를 사용한 플랫 페이지가 이미 존재합니다."
+
+msgid "title"
+msgstr "제목"
+
+msgid "content"
+msgstr "내용"
+
+msgid "enable comments"
+msgstr "사용 가능한 코멘트"
+
+msgid "template name"
+msgstr "템플릿 이름"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"예: 'flatpages/contact_page.html' 를 사용할 수 없는 경우 시스템이 'flatpages/"
+"default.html' 을/를 사용합니다."
+
+msgid "registration required"
+msgstr "등록이 필요합니다"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "체크할 경우, 로그인한 사용자만 해당 페이지를 볼 수 있습니다."
+
+msgid "sites"
+msgstr "사이트"
+
+msgid "flat page"
+msgstr "플랫 페이지"
+
+msgid "flat pages"
+msgstr "플랫 페이지들"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c4aa02ff
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7f420f31
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-23 06:23+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "Дагы мүмкүнчүлүктөр"
+
+msgid "Flat Pages"
+msgstr "Туруктуу барактар"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Мисалы: “/about/contact/”. Башында жана аягында бөлчөк бар экендигин "
+"текшериңиз."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Бул маани жалаң арип, сан, чекит, астсызык, сызык, бөлчөк же тилда камтый "
+"алат."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Мисалы: “/about/contact”. Башында бөлчөк бар экендигин текшериңиз."
+
+msgid "URL is missing a leading slash."
+msgstr "URL башында бөлчөгү жок."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL аягында бөлчөгү жок."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(url)s URLдүү барак %(site)sсайтында мурдатан эле бар."
+
+msgid "title"
+msgstr "наам"
+
+msgid "content"
+msgstr "мазмун"
+
+msgid "enable comments"
+msgstr "пикирлерди күйгүзүү"
+
+msgid "template name"
+msgstr "калып аты"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Мисалы: “flatpages/contact_page.html”. Эгер бул көрсөтүлбөсө, систем "
+"“flatpages/default.html” колдоно берет."
+
+msgid "registration required"
+msgstr "катталуу талап кылынат."
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Эгер бул тандалса жалаң гана катталып кирген колдонуучулар бул баракты көрө "
+"алышат."
+
+msgid "sites"
+msgstr "сайттар"
+
+msgid "flat page"
+msgstr "туруктуу барак"
+
+msgid "flat pages"
+msgstr "туруктуу барактар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..13675686
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cbacfeef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,77 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/django/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr ""
+
+msgid "content"
+msgstr ""
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr ""
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fe4c1e43
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..16e75aa0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,94 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kostas <tamosiunas@gmail.com>, 2011
+# Matas Dailyda <matas@dailyda.com>, 2015,2019
+# Simonas Kazlauskas <simonas@kazlauskas.me>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-01-18 10:34+0000\n"
+"Last-Translator: Matas Dailyda <matas@dailyda.com>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Advanced options"
+msgstr "Sudėtingesni nustatymai"
+
+msgid "Flat Pages"
+msgstr "Paprasti puslapiai"
+
+msgid "URL"
+msgstr "Nuoroda"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Pavyzdžiui: '/about/contact/'. Įsitikink, kad yra pasvirieji brūkšniai "
+"pradžioj ir gale."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Ši reikšmė gali būti sudaryta tik iš raidžių, skaičių, pabraukimų, brūkšnių "
+"ir/arba pasvirų brūkšnių."
+
+msgid "Example: '/about/contact'. Make sure to have a leading slash."
+msgstr ""
+"Pavizdys: '/apie/kontaktai'. Įsitikinkite kad pradžioje būtų pasvirasis "
+"brūkšnys."
+
+msgid "URL is missing a leading slash."
+msgstr "Nuorodos pradžioje trūksta pasvirojo brūkšnio."
+
+msgid "URL is missing a trailing slash."
+msgstr "Nuorodos pabaigoje trūksta pasvirojo brūkšnio."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Paprastas puslapis su adresu %(url)s %(site)s puslapyje jau egzistuoja"
+
+msgid "title"
+msgstr "pavadinimas"
+
+msgid "content"
+msgstr "turinys"
+
+msgid "enable comments"
+msgstr "įjungti komentavimą"
+
+msgid "template name"
+msgstr "šablono vardas"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Pavyzdžiui: 'flatpages/contact_page.html'. Jeigu bus nenurodytas, sistema "
+"naudos 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "registracija privaloma"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Jeigu pažymėta, tik prisijungę vartotojai galės matyti šį puslapį."
+
+msgid "sites"
+msgstr "tinklalapiai"
+
+msgid "flat page"
+msgstr "paprastas puslapis"
+
+msgid "flat pages"
+msgstr "paprasti puslapiai"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d7ce9c2a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..12260ec8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# NullIsNot0 <nullisnot0@inbox.lv>, 2019
+# peterisb <pb@sungis.lv>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-07 07:17+0000\n"
+"Last-Translator: NullIsNot0 <nullisnot0@inbox.lv>\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Advanced options"
+msgstr "Papildus opcijas"
+
+msgid "Flat Pages"
+msgstr "Vienkāršās lapas"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Piemēram: “/about/contact/”. Pārliecinieties, ka esat ievietojuši sākuma un "
+"beigu slīpsvītras."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Šai vērtība ir jāsatur tikai burtus, ciparus, punktus, pasvītrojumi, "
+"domuzīmes, slīpsvītras vai tildes simboli."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Piemēram: “/about/contact”. Pārliecinieties, ka esat ievietojuši sākuma "
+"slīpsvītru."
+
+msgid "URL is missing a leading slash."
+msgstr "URL trūkst sākuma slīpsvītra."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL trūkst beigu slīpsvītra."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Vienkāršā lapa ar url %(url)s jau eksistē vietnei %(site)s"
+
+msgid "title"
+msgstr "virsraksts"
+
+msgid "content"
+msgstr "saturs"
+
+msgid "enable comments"
+msgstr "ieslēgt komentārus"
+
+msgid "template name"
+msgstr "šablona nosaukums"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Piemēram: “flatpages/contact_page.html”. Ja tas nav norādīts, sistēma lietos "
+"“flatpages/default.html”."
+
+msgid "registration required"
+msgstr "reģistrācija obligāta"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ja šis ir atzīmēts, tikai pieslēgušies lietotāji, varēs piekļūt šai lapu."
+
+msgid "sites"
+msgstr "vietnes"
+
+msgid "flat page"
+msgstr "vienkārša lapa"
+
+msgid "flat pages"
+msgstr "vienkāršas lapas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..68d4a8bd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b612fb21
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2016
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2014
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Vasil Vangelovski <vvangelovski@gmail.com>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Advanced options"
+msgstr "Напредни можности"
+
+msgid "Flat Pages"
+msgstr "Статични страници"
+
+msgid "URL"
+msgstr "Веб адреса"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"На пр. „/за_сајтот/контакт/“. Осигурајте се дека имате коса црта и на крајот "
+"и на почетокот."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Оваа вредност смее да има само букви, бројки, долни црти, црти, коси црти "
+"или тилди."
+
+msgid "URL is missing a leading slash."
+msgstr "На веб адресата и недостасува почетна црта."
+
+msgid "URL is missing a trailing slash."
+msgstr "На веб адресата и недостасува завршна црта."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Статична страница со веб адреса %(url)s  веќе постои за сајтот %(site)s"
+
+msgid "title"
+msgstr "наслов"
+
+msgid "content"
+msgstr "содржина"
+
+msgid "enable comments"
+msgstr "овозможи коментари"
+
+msgid "template name"
+msgstr "име на шаблон"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"На пр. „flatpages/kontakt.html'. Ако не го внесете ова, системот ќе користи "
+"„flatpages/default.html“."
+
+msgid "registration required"
+msgstr "потребна е регистрација"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ако ова е штиклирано, само најавените корисници ќе можат да ја гледаат оваа "
+"страница."
+
+msgid "sites"
+msgstr "сајтови"
+
+msgid "flat page"
+msgstr "статична страница"
+
+msgid "flat pages"
+msgstr "статични страници"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d4cf1e3a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4d5fd107
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aby Thomas <abyzthomas@gmail.com>, 2014
+# Hrishikesh <hrishi.kb@gmail.com>, 2019-2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rajeesh Nair <rajeeshrnair@gmail.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-13 21:22+0000\n"
+"Last-Translator: Hrishikesh <hrishi.kb@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "സങ്കീർണ്ണമായ ഓപ്ഷനുകൾ"
+
+msgid "Flat Pages"
+msgstr "ഫ്ലാറ്റ് പേജുകൾ"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"ഉദാഹരണം: “/about/contact/”.  തുടക്കത്തിലും അവസാനവും സ്ലാഷുകൾ ഉണ്ടെന്ന് ഉറപ്പുവരുത്തുക."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"ഇതിൽ അക്ഷരങ്ങൾ, നമ്പറുകൾ, കുത്തുകൾ, അണ്ടർസ്കോറുകൾ, ഡാഷുകൾ, സ്ലാഷുകൾ അതുമല്ലെങ്കിൽ ടിൽഡുകൾ "
+"എന്നിവ മാത്രമേ അനുവദിക്കുള്ളൂ."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "ഉദാഹരണം: “/about/contact”.  തുടക്കത്തിൽ ഒരു സ്ലാഷ് ഉണ്ടെന്ന് ഉറപ്പുവരുത്തുക."
+
+msgid "URL is missing a leading slash."
+msgstr "URLന്റെ മുന്‍വശത്ത് ഒരു സ്ലാഷിന്റെ കുറവുണ്ട്."
+
+msgid "URL is missing a trailing slash."
+msgstr "URLന്റെ പിന്‍വശത്ത് ഒരു സ്ലാഷിന്റെ കുറവുണ്ട്."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s എന്ന സൈറ്റിനു %(url)s എന്ന url ഉള്ള ഫ്ലാറ്റ്പേജ് നിലവിലുണ്ട്"
+
+msgid "title"
+msgstr "ശീര്‍ഷകം"
+
+msgid "content"
+msgstr "ഉള്ളടക്കം"
+
+msgid "enable comments"
+msgstr "അഭിപ്രായങ്ങള്‍ അനുവദിക്കുക"
+
+msgid "template name"
+msgstr "ടെമ്പ്ലേറ്റിന്റെ പേര്"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"ഉദാ: 'flatpages/contact_page.html'. ഇതു നല്കിയില്ലെങ്കില്‍, പകരമായി 'flatpages/"
+"default.html' ആയിരിക്കും ഉപയോഗിക്കുക."
+
+msgid "registration required"
+msgstr "രജിസ്ട്രേഷന്‍ ആവശ്യമാണ്"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "ഇതു ടിക് ചെയ്താല്‍ പിന്നെ ലോഗ്-ഇന്‍ ചെയ്ത യൂസര്‍ക്കു മാത്രമേ ഈ പേജ് കാണാന്‍ കഴിയൂ."
+
+msgid "sites"
+msgstr "സൈറ്റുകൾ"
+
+msgid "flat page"
+msgstr "ഫ്ളാറ്റ് പേജ്"
+
+msgid "flat pages"
+msgstr "ഫ്ളാറ്റ് പേജുകള്‍"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a9c8f099
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1dedfe1e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Zorig, 2014,2016
+# Zorig, 2019
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-02-19 02:15+0000\n"
+"Last-Translator: Zorig\n"
+"Language-Team: Mongolian (http://www.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Дээд хэрэглээний сонголтууд"
+
+msgid "Flat Pages"
+msgstr "Дан хуудас"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Жишээ: '/about/contact/'. Хөтлөх буюу зам заах ташуу зураас байх хэрэгтэй."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Энэ хэсэгт зөвхөн үсэг, тоо, цэг, доогуур зураас, налуу зураасууд бичих "
+"боломжтой. "
+
+msgid "Example: '/about/contact'. Make sure to have a leading slash."
+msgstr ""
+"Жишээ: '/about/contact/'. Хөтлөх буюу зам заах ташуу зураас байх хэрэгтэй."
+
+msgid "URL is missing a leading slash."
+msgstr "URL ийн эхний slash ийг мартсан байна."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL ийн арийн slash ийг мартсан байна"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Хуудасны хаяг %(url)s  %(site)s  дээр давхардаж байна."
+
+msgid "title"
+msgstr "гарчиг"
+
+msgid "content"
+msgstr "агуулга"
+
+msgid "enable comments"
+msgstr "санал сэтгэгдэл үлдээх боломжтой болгох"
+
+msgid "template name"
+msgstr "загварын нэр"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Жишээ: 'flatpages/contact_page.html'. Хэрэв ийм зүйл гарч ирэхгүй бол систем "
+"'flatpages/default.html'-ийг хэрэглэнэ."
+
+msgid "registration required"
+msgstr "бүртгэгдсэн хэрэглэгчид үзнэ"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Үүнийг чагтлавал зөвхөн сайтад нэвтэрсэн хэрэглэгч сайтыг харах боломжтой "
+"болно."
+
+msgid "sites"
+msgstr "сайтууд"
+
+msgid "flat page"
+msgstr "өөрчлөлтгүй хуудас"
+
+msgid "flat pages"
+msgstr "өөрчлөлтгүй хуудаснууд"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6197eac0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1d88dc9a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,82 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2024-01-24 19:03+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "प्रगत पर्याय"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "यूआरएल"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "अग्रगण्य आणि अनुगामी स्लॅश असल्याची खात्री करा. उदाहरण: “/about/contact/”."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"या मूल्यामध्ये फक्त अक्षरे, संख्या, ठिपके, अंडरस्कोअर, डॅश, स्लॅश किंवा टिल्ड असणे आवश्यक आहे."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "अग्रगण्य स्लॅश असल्याची खात्री करा. उदाहरण: “/about/contact”. "
+
+msgid "URL is missing a leading slash."
+msgstr "URL मधे अग्रगण्य स्लॅश गहाळ आहे."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL मधे अनुगामी स्लॅश गहाळ आहे. "
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "शीर्षक"
+
+msgid "content"
+msgstr "सामुग्री"
+
+msgid "enable comments"
+msgstr "प्रतिक्रिया सक्षम करा"
+
+msgid "template name"
+msgstr "टेम्पलेटचे नाव"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+
+msgid "registration required"
+msgstr "नोंदणी आवश्यक"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr "स्थळे"
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7af7bbd0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4315687b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-11-16 12:59+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "Pilihan lanjut"
+
+msgid "Flat Pages"
+msgstr "Muka rata"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Contoh: \"/berkenaan/hubungi/\". Pastikan ada sempang awalan dan akhiran."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Niali ini hanya boleh mengandugi huruf, nombor, titik, garis-bawah, "
+"sengkang, sempang atau tilde."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Contoh: \"/berkenaan/hubungi\". Pastikan ada sempang awalan."
+
+msgid "URL is missing a leading slash."
+msgstr "URL tidak mempunyai sempang awalan."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL tidak mempunyai sempang akhiran."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Mukarata dengan url %(url)s sudah wujud bagi laman %(site)s"
+
+msgid "title"
+msgstr "tajuk"
+
+msgid "content"
+msgstr "kandungan"
+
+msgid "enable comments"
+msgstr "hidupkan komen"
+
+msgid "template name"
+msgstr "nama templat"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Contoh: \"mukarata/ruangan_hubungi.html\". Sekiranya ini tidak diberikam, "
+"sistem akan menggunakan \"flatpages/defulat.html\"."
+
+msgid "registration required"
+msgstr "Pendaftaran diperlukan"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Sekiranya ini ditanda, hanya pengguna yang log-masuk sahaja akan dapat "
+"melihat ruangan ini."
+
+msgid "sites"
+msgstr "laman-laman"
+
+msgid "flat page"
+msgstr "muka rata"
+
+msgid "flat pages"
+msgstr "muka rata"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a959d4ce
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e46bfbe0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,77 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "ယူအာအယ်"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr ""
+
+msgid "content"
+msgstr ""
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr ""
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..43836093
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b6eba013
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jensadne <jensadne@pvv.ntnu.no>, 2014
+# Jon <jon@kolonial.no>, 2015
+# Jon <jon@kolonial.no>, 2019-2020
+# Jon <jon@kolonial.no>, 2011-2012
+# Sigurd Gartmann <sigurdga-transifex@sigurdga.no>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-21 12:12+0000\n"
+"Last-Translator: Jon <jon@kolonial.no>\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Avanserte innstillinger"
+
+msgid "Flat Pages"
+msgstr "Flatsider"
+
+msgid "URL"
+msgstr "Nettadresse"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Eksempel: \"/om/kontakt/\". Kontroller at det er en skråstrek foran og bak."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Dette feltet kan kun inneholde bokstaver, nummer, skilletegn, understreker, "
+"bindestreker, skråstreker eller tilder."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Eksempel: \"/om/kontakt\". Kontroller at det er en skråstrek foran."
+
+msgid "URL is missing a leading slash."
+msgstr "URL mangler innledende skråstrek."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL mangler avsluttende skråstrek."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Flatside med URL-en %(url)s finnes allerede for siden %(site)s"
+
+msgid "title"
+msgstr "tittel"
+
+msgid "content"
+msgstr "innhold"
+
+msgid "enable comments"
+msgstr "tillat kommentarer"
+
+msgid "template name"
+msgstr "malnavn"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Eksempel: \"flatpages/contact_page.html\". Hvis denne ikke er gitt, vil "
+"\"flatpages/default.html\" bli brukt."
+
+msgid "registration required"
+msgstr "krever registrering"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Hvis denne er krysset av, kan kun innloggede brukere se siden."
+
+msgid "sites"
+msgstr "nettsteder"
+
+msgid "flat page"
+msgstr "flatside"
+
+msgid "flat pages"
+msgstr "flatsider"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e435dd8e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..54ec75fe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,77 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Sagar Chalise <chalisesagar@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Sagar Chalise <chalisesagar@gmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr "उदाहरणका लागि: '/about/contact/' । अगाडि र पछाडि '/' राख्न नभुल्नुहोला ।"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr "यो मानमा अंक, वर्ण, थोप्लो, अन्डरस्कोर, ड्यास, स्ल्यास र टिल्ड मात्र हुनुपर्दछ ।"
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "शीर्षक"
+
+msgid "content"
+msgstr "विषय"
+
+msgid "enable comments"
+msgstr "प्रतिकृयाको लागि मञ्जुरी दिनुहोस"
+
+msgid "template name"
+msgstr "टेम्प्लेटको नाम"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr "दर्ता अनिवार्य छ ।"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr "साइटहरु"
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af4bd8af
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2f06f80f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Harro van der Klauw <hvdklauw@gmail.com>, 2012
+# Ilja Maas <iljamaas@dreamsolution.nl>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jeffrey Gelens <jeffrey@noppo.pro>, 2012
+# Sander Steffann <inactive+steffann@transifex.com>, 2015
+# Tino de Bruijn <tinodb@gmail.com>, 2011
+# Tonnes <tonnes.mb@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-17 08:52+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>\n"
+"Language-Team: Dutch (http://www.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Geavanceerde opties"
+
+msgid "Flat Pages"
+msgstr "Platte pagina's"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "Voorbeeld: ‘/about/contact/’. Zorg voor slashes aan het begin en eind."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Deze waarde mag alleen letters, cijfers, punten, liggende streepjes, "
+"streepjes, slashes of tildes bevatten."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Voorbeeld: ‘/about/contact’. Zorg voor een slash aan het begin."
+
+msgid "URL is missing a leading slash."
+msgstr "In de URL ontbreekt een beginslash."
+
+msgid "URL is missing a trailing slash."
+msgstr "In de URL ontbreekt een eindslash."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Platte pagina met URL %(url)s bestaat al voor website %(site)s"
+
+msgid "title"
+msgstr "titel"
+
+msgid "content"
+msgstr "inhoud"
+
+msgid "enable comments"
+msgstr "opmerkingen toestaan"
+
+msgid "template name"
+msgstr "sjabloonnaam"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Voorbeeld: ‘flatpages/contact_page.html’. Als dit niet is opgegeven, wordt "
+"‘flatpages/default.html’ gebruikt."
+
+msgid "registration required"
+msgstr "registratie vereist"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Als dit is aangevinkt, kunnen alleen aangemelde gebruikers de pagina "
+"bekijken."
+
+msgid "sites"
+msgstr "websites"
+
+msgid "flat page"
+msgstr "platte pagina"
+
+msgid "flat pages"
+msgstr "platte pagina's"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a62a709c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..55c92ea1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# hgrimelid <havard@grimelid.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-11-12 08:48+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Avanserte innstillingar"
+
+msgid "Flat Pages"
+msgstr "Flatsider"
+
+msgid "URL"
+msgstr "Nettadresse"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Eksempel: “/om/kontakt/”. Kontroller at det er ein skråstrek framanfor og "
+"bak."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Dette feltet kan berre innehalde bokstavar, nummer, skilleteikn, "
+"understrekar, bindestrekar, skråstrekar eller tilder."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Eksempel: “/om/kontakt/”. Kontroller at det er ein skråstrek framanfor."
+
+msgid "URL is missing a leading slash."
+msgstr "Nettadressa manglar ein skråstrek framanfor."
+
+msgid "URL is missing a trailing slash."
+msgstr "Nettadressa manglar ein skråstrek bak."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Flatside med nettadresse %(url)s eksisterer allereie for sida %(site)s"
+
+msgid "title"
+msgstr "tittel"
+
+msgid "content"
+msgstr "innhald"
+
+msgid "enable comments"
+msgstr "tillat kommentarer"
+
+msgid "template name"
+msgstr "malnamn"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Døme: “flatpages/contact_page.html”. Dersom denne ikkje er oppgjeve vert "
+"“flatpages/default.html” brukt."
+
+msgid "registration required"
+msgstr "krevar registrering"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Dersom denne er kryssa av, kan berre innlogga brukarar sjå sida."
+
+msgid "sites"
+msgstr "nettstadar"
+
+msgid "flat page"
+msgstr "flatside"
+
+msgid "flat pages"
+msgstr "flatsider"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5d25b6b6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/os/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aaa9895f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Флдӕр фадӕттӕ"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Цӕвиттон: '/about/contact/'. Дӕ хъус дар цӕмӕ дзы сӕйраг ӕмӕ хицӕнгӕнаг "
+"слӕштӕ уой."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Ам хъуамӕ ӕрмӕст дамгъӕтӕ, стъӕлфытӕ, бынылхӕххытӕ, дефистӕ, слӕштӕ ӕмӕ "
+"тильдӕтӕ уой."
+
+msgid "URL is missing a leading slash."
+msgstr "URL-ы сӕйраг слӕш нӕй."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL-ы хицӕнгӕнаг слӕш нӕй."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(url)s url-имӕ тъӕпӕнфарс нырид ис %(site)s сайтӕн"
+
+msgid "title"
+msgstr "сӕр"
+
+msgid "content"
+msgstr "мидис"
+
+msgid "enable comments"
+msgstr "хъуыдытӕ баиу кӕнын"
+
+msgid "template name"
+msgstr "хуызӕгы ном"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Цӕвиттон: 'flatpages/contact_page.html'. Кӕд ай лӕвӕрд нӕу, уӕд системӕ "
+"сӕвӕрдзӕн 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "регистраци хъӕуы"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Кӕд ай нысангонд у, уӕд ацы фарс ӕрмӕст системӕмӕ хызт архайджытӕн уыдзӕнис "
+"бар уынын."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "тъӕпӕн фарс"
+
+msgid "flat pages"
+msgstr "тъӕпӕн фӕрстӕ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c20a5202
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ab56520d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,78 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "ਤਕਨੀਕੀ ਚੋਣਾਂ"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "ਟਾਈਟਲ"
+
+msgid "content"
+msgstr "ਸਮੱਗਰੀ"
+
+msgid "enable comments"
+msgstr "ਟਿੱਪਣੀਆਂ ਚਾਲੂ"
+
+msgid "template name"
+msgstr "ਟੈਪਲੇਟ ਨਾਂ"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr "ਰਜਿਸਟਰੇਸ਼ਨ ਲੋੜੀਦੀ ਹੈ"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..74b2580c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..51f2bfb7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,96 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# angularcircle, 2012
+# angularcircle, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janusz Harkot <jh@trilab.pl>, 2015
+# m_aciek <maciej.olko@gmail.com>, 2019
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-11 14:08+0000\n"
+"Last-Translator: m_aciek <maciej.olko@gmail.com>\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && (n"
+"%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
+"%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Advanced options"
+msgstr "Opcje zaawansowane"
+
+msgid "Flat Pages"
+msgstr "Strony statyczne"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Przykład: „/about/contact/”. Upewnij się, że wpisałeś początkowy i końcowy "
+"ukośnik."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"To pole może zawierać jedynie litery, cyfry, kropki, podkreślenia, myślniki, "
+"ukośniki i tyldy."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Przykład: „/about/contact”. Upewnij się, że wpisałeś początkowy ukośnik."
+
+msgid "URL is missing a leading slash."
+msgstr "W URL-u brakuje początkowego ukośnika."
+
+msgid "URL is missing a trailing slash."
+msgstr "W URL-u brakuje końcowego ukośnika."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Strona statyczna o adresie %(url)s została już utworzona dla strony %(site)s"
+
+msgid "title"
+msgstr "tytuł"
+
+msgid "content"
+msgstr "zawartość"
+
+msgid "enable comments"
+msgstr "włącz komentarze"
+
+msgid "template name"
+msgstr "nazwa szablonu"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Przykład: „flatpages/contact_page.html”. Jeżeli nie zostanie podane, system "
+"użyje „flatpages/default.html”."
+
+msgid "registration required"
+msgstr "wymagana rejestracja"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Jeżeli zaznaczone - tylko zalogowani użytkownicy będą mogli zobaczyć stronę."
+
+msgid "sites"
+msgstr "strony"
+
+msgid "flat page"
+msgstr "strona statyczna"
+
+msgid "flat pages"
+msgstr "strony statyczne"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ffc8ef00
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e1f707d2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nuno Mariz <nmariz@gmail.com>, 2011-2012,2015
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Nuno Mariz <nmariz@gmail.com>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Opções avançadas"
+
+msgid "Flat Pages"
+msgstr "Páginas Simples"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Exemplo: '/about/contact/'. Verifique se possui as barras no inicio e no fim."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor apenas poderá conter letras, números, pontos, underscores, "
+"hífenes, barras ou tils."
+
+msgid "URL is missing a leading slash."
+msgstr "Está a faltar a barra inicial no URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Está a faltar a barra final no URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "A página plana com o url %(url)s já existe no site %(site)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "conteúdo"
+
+msgid "enable comments"
+msgstr "permitir comentários"
+
+msgid "template name"
+msgstr "nome da template"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Exemplo: 'flatpages/contact_page.html'. Se não for fornecido, o sistema "
+"usará: 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "é necessário registo"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Se estiver selecionado, apenas utilizadores autenticados poderão ver esta "
+"página."
+
+msgid "sites"
+msgstr "site"
+
+msgid "flat page"
+msgstr "página plana"
+
+msgid "flat pages"
+msgstr "páginas planas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3677d3d4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt_BR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e28cabeb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,98 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# Amanda Savluchinske <amandasavluchinske@gmail.com>, 2019
+# andrewsmedina <andrewsmedina@gmail.com>, 2013
+# dudanogueira <dudanogueira@gmail.com>, 2019
+# Eduardo Cereto Carvalho, 2011
+# Fábio C. Barrionuevo da Luz <bnafta@gmail.com>, 2013
+# semente, 2012-2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lucas Infante <maccinza@gmail.com>, 2015
+# Rafael Fontenelle <rffontenelle@gmail.com>, 2021
+# Sergio Oliveira <seocam@seocam.com>, 2013
+# Thiago Avelino <t@avelino.xxx>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-01-17 06:37+0000\n"
+"Last-Translator: Rafael Fontenelle <rffontenelle@gmail.com>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Advanced options"
+msgstr "Opções avançadas"
+
+msgid "Flat Pages"
+msgstr "Páginas Planas"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Exemplo: “/about/contact/”. Certifique-se de ter barras no início e no final."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Este valor deve conter apenas letras, números, pontos, sublinhados, traços, "
+"barras ou til."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Exemplo: “/about/contact”. Certifique-se de ter uma barra no início."
+
+msgid "URL is missing a leading slash."
+msgstr "Está faltando uma barra no início da URL."
+
+msgid "URL is missing a trailing slash."
+msgstr "Está faltando uma barra no final da URL."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Uma flatpage com a URL %(url)s já existe para o site %(site)s"
+
+msgid "title"
+msgstr "título"
+
+msgid "content"
+msgstr "conteúdo"
+
+msgid "enable comments"
+msgstr "habilitar comentários"
+
+msgid "template name"
+msgstr "nome do template"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Exemplo: “flatpages/contact_page.html”. Se isso não for fornecido, o sistema "
+"utilizará “flatpages/default.html”."
+
+msgid "registration required"
+msgstr "registro obrigatório"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Se estiver assinalado, apenas usuários autenticados poderão ver a página."
+
+msgid "sites"
+msgstr "sites"
+
+msgid "flat page"
+msgstr "página plana"
+
+msgid "flat pages"
+msgstr "páginas planas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b8d7ae84
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..66319116
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,96 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bogdan Mateescu, 2019
+# Daniel Ursache-Dogariu, 2011
+# Denis Darii <denis.darii@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-01-18 12:01+0000\n"
+"Last-Translator: Bogdan Mateescu\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Advanced options"
+msgstr "Opțiuni avansate"
+
+msgid "Flat Pages"
+msgstr "Pagini Statice"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Exemplu: '/despre/contact/'. Asigurați-vă că sunt bare oblice la început și "
+"la sfârșit."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Această valoare trebuie să conţină doar litere, numere, puncte, linii joase, "
+"cratime, bare oblice sau tilde."
+
+msgid "Example: '/about/contact'. Make sure to have a leading slash."
+msgstr ""
+"Exemplu: '/despre/contact'. Asigurați-vă că sunt bare oblice la început și "
+"la sfârșit."
+
+msgid "URL is missing a leading slash."
+msgstr "În URL lipseste slashul inițial."
+
+msgid "URL is missing a trailing slash."
+msgstr "În URL lipseste slashul final."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Pagina Flat cu url-ul %(url)s există deja pentru saitul %(site)s"
+
+msgid "title"
+msgstr "titlu"
+
+msgid "content"
+msgstr "conținut"
+
+msgid "enable comments"
+msgstr "permite comentarii"
+
+msgid "template name"
+msgstr "nume șablon"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Exemplu: 'flatpages/contact_page.html'. Dacă aceasta nu există, sistemul va "
+"folosi 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "necesită înregistrare"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Dacă aceasta este bifată, numai utilizatorii autentificați vor putea vedea "
+"pagina."
+
+msgid "sites"
+msgstr "pagini"
+
+msgid "flat page"
+msgstr "pagină statică"
+
+msgid "flat pages"
+msgstr "pagini statice"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..669d7e17
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ru/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bfe344c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,95 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eugene <eugene.mechanism@gmail.com>, 2012
+# crazyzubr <hjcnbckfd@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mike Yumatov <mike@yumatov.org>, 2011
+# Алексей Борискин <sun.void@gmail.com>, 2012,2014-2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-14 18:19+0000\n"
+"Last-Translator: crazyzubr <hjcnbckfd@gmail.com>\n"
+"Language-Team: Russian (http://www.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Advanced options"
+msgstr "Расширенные настройки"
+
+msgid "Flat Pages"
+msgstr "Простые страницы"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Пример: “/about/contact/”. Убедитесь, что ввели начальную и конечную косые "
+"черты."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Значение должно состоять только из букв, цифр и символов точки, "
+"подчеркивания, тире, косой черты и тильды."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Пример: “/about/contact”. Убедитесь, что в начале адреса находится косая "
+"черта."
+
+msgid "URL is missing a leading slash."
+msgstr "В начале URL отсутствует косая черта"
+
+msgid "URL is missing a trailing slash."
+msgstr "В конце URL отсутствует косая черта"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Простая страница с адресом %(url)s уже существует для сайта %(site)s"
+
+msgid "title"
+msgstr "заголовок"
+
+msgid "content"
+msgstr "содержимое"
+
+msgid "enable comments"
+msgstr "включить комментарии"
+
+msgid "template name"
+msgstr "имя шаблона"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Пример: “flatpages/contact_page.html“. Если не указано, система будет "
+"использовать “flatpages/default.html“."
+
+msgid "registration required"
+msgstr "требуется регистрация"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Если отмечено, только вошедшие пользователи смогут видеть страницу."
+
+msgid "sites"
+msgstr "сайты"
+
+msgid "flat page"
+msgstr "простая страница"
+
+msgid "flat pages"
+msgstr "простые страницы"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e4b76366
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bcd4c8b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marian Andre <marian@andre.sk>, 2011-2012,2014
+# Martin Tóth <ezimir@gmail.com>, 2017,2023
+# Peter Kuma, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-12-04 19:03+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Advanced options"
+msgstr "Pokročilé nastavenia"
+
+msgid "Flat Pages"
+msgstr "Statické stránky"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Príklad: „/about/contact/“. Zabezpečte, aby boli lomky na začiatku a na "
+"konci."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Táto hodnota musí obsahovať len písmená, číslice, bodky, podčiarovníky, "
+"pomlčky, lomky alebo vlnovky."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Príklad: „/about/contact“. Zabezpečte, aby bola lomka na začiatku."
+
+msgid "URL is missing a leading slash."
+msgstr "V URL chýba úvodná lomka."
+
+msgid "URL is missing a trailing slash."
+msgstr "V URL chýba koncová lomka."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Statická stránka s url %(url)s pre sídlo %(site)s už existuje."
+
+msgid "title"
+msgstr "názov"
+
+msgid "content"
+msgstr "obsah"
+
+msgid "enable comments"
+msgstr "povoliť komentáre"
+
+msgid "template name"
+msgstr "názov šablóny"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Príklad: „flatpages/contact_page.html“. Ak nie je uvedené, systém použije "
+"„flatpages/default.html“."
+
+msgid "registration required"
+msgstr "nutná registrácia"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ak je toto zaškrtnuté, na stránku budú mať prístup len prihlásení "
+"používatelia."
+
+msgid "sites"
+msgstr "sídla"
+
+msgid "flat page"
+msgstr "statická stránka"
+
+msgid "flat pages"
+msgstr "statické stránky"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4bae321e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..af01899f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Andrej Marsetič, 2022
+# iElectric <domen@dev.si>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# zejn <zelo.zejn+transifex@gmail.com>, 2016
+# zejn <zelo.zejn+transifex@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-04-24 19:03+0000\n"
+"Last-Translator: Andrej Marsetič, 2022\n"
+"Language-Team: Slovenian (http://www.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "Advanced options"
+msgstr "Napredne možnosti"
+
+msgid "Flat Pages"
+msgstr "enostavne strani"
+
+msgid "URL"
+msgstr "Naslov URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Primer: “/o-nas/kontakt/”. Prepričajte se, da imate začetne in končne "
+"poševnice."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Vsebina lahko vsebuje samo črke, številke, pike, podčrtaje, poševnice, "
+"črtice in tilde."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Primer: “/o-nas/kontakt/”. Prepričajte se, da imate poševnico na začetku."
+
+msgid "URL is missing a leading slash."
+msgstr "Na začetku naslov URL manjka poševnica."
+
+msgid "URL is missing a trailing slash."
+msgstr "Na koncu naslova URL manjka poševnica."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Enostavna stran na naslovu %(url)s že obstaja na strani %(site)s"
+
+msgid "title"
+msgstr "naslov"
+
+msgid "content"
+msgstr "vsebina"
+
+msgid "enable comments"
+msgstr "omogoči opombe"
+
+msgid "template name"
+msgstr "ime predloge"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Primer: »flatpages/contact_page.html«. Če je to polje prazno, bo sistem "
+"uporabil »flatpages/default.html«."
+
+msgid "registration required"
+msgstr "zahtevana je registracija"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Izbrana možnost omogoča ogled strani le prijavljenim uporabnikom."
+
+msgid "sites"
+msgstr "strani"
+
+msgid "flat page"
+msgstr "enostavna stran"
+
+msgid "flat pages"
+msgstr "enostavne strani"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d404e6b1
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0f5aee03
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik <besnik@programeshqip.org>, 2011,2015
+# Besnik <besnik@programeshqip.org>, 2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 09:51+0000\n"
+"Last-Translator: Besnik <besnik@programeshqip.org>\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Mundësi të mëtejshme"
+
+msgid "Flat Pages"
+msgstr "Faqe të Thjeshta"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Shembull: “/rreth/kontakt/”. Sigurohuni që vendosni pjerraket përkatëse."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Kjo vlerë duhet të përmbajë vetëm shkronja, numra, pika, nënvija, vija "
+"ndarëse, pjerrake ose shenjën afërsisht."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Shembull: “/mbi/kontakt”. Sigurohuni që keni pjerrake paraprirëse."
+
+msgid "URL is missing a leading slash."
+msgstr "URL-së i mungon një pjerrake në krye."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL-së i mungon një pjerrake në fund."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Ka tashmë një flatpage me url %(url)s për sajtin %(site)s"
+
+msgid "title"
+msgstr "titull"
+
+msgid "content"
+msgstr "lëndë"
+
+msgid "enable comments"
+msgstr "aktivizo komente"
+
+msgid "template name"
+msgstr "emër gjedheje"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Shembull: “flatpages/contact_page.html”. Nëse s’është dhënë një e tillë, "
+"sistemi do të përdorë 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "lypset regjistrim"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Po iu vu shenjë kësaj, faqen do të jenë në gjendje ta shohin vetëm "
+"përdoruesit që kanë bërë hyrjen."
+
+msgid "sites"
+msgstr "sajte"
+
+msgid "flat page"
+msgstr "faqe e thjeshtë"
+
+msgid "flat pages"
+msgstr "faqe të thjeshta"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..46cb525d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Igor Jerosimić, 2019-2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-21 20:41+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (http://www.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Advanced options"
+msgstr "Напредна подешавања"
+
+msgid "Flat Pages"
+msgstr "Флет странице"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Пример: \"/about/contact/\". Пазите на то да постоје почетне и завршне косе "
+"црте."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Унета вредност може садржати само слова, бројке, тачке, доње црте, црте, "
+"знаке разломка или тилде."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Пример: '/about/contact/'. Пазите на то да постоји почетна коса црта."
+
+msgid "URL is missing a leading slash."
+msgstr "Недостаје коса црта на почетку URL-а."
+
+msgid "URL is missing a trailing slash."
+msgstr "Недостаје коса црта на крају URL-а."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Страница са адресом %(url)s већ постоји за сајт %(site)s"
+
+msgid "title"
+msgstr "наслов"
+
+msgid "content"
+msgstr "садржај"
+
+msgid "enable comments"
+msgstr "омогући коментарисање"
+
+msgid "template name"
+msgstr "назив темплејта"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Пример: \"flatpages/contact_page.html\". Ако ово оставите празним, систем ће "
+"користити \"flatpages/default.html\"."
+
+msgid "registration required"
+msgstr "потребна регистрација"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ако је ово обележено, само ће пријављени корисници моћи да виде ову страницу."
+
+msgid "sites"
+msgstr "сајтови"
+
+msgid "flat page"
+msgstr "флет страница"
+
+msgid "flat pages"
+msgstr "флет странице"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..733de558
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr_Latn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b059b296
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2019-2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-21 20:48+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (Latin) (http://www.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Advanced options"
+msgstr "Napredna podešavanja"
+
+msgid "Flat Pages"
+msgstr "Flet stranice"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Primer: \"/about/contact/\". Pazite na to da postoje početne i završne kose "
+"crte."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Uneta vrednost može sadržati samo slova, brojke, tačke, donje crte, crte, "
+"znake razlomka ili tilde."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Primer: \"/about/contact/\". Pazite na to da postoji početna kosa crta."
+
+msgid "URL is missing a leading slash."
+msgstr "Nedostaje kosa crta na početku URL-a."
+
+msgid "URL is missing a trailing slash."
+msgstr "Nedostaje kosa crta na kraju URL-a."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Stranica sa adresom %(url)s već postoji za sajt %(site)s"
+
+msgid "title"
+msgstr "naslov"
+
+msgid "content"
+msgstr "sadržaj"
+
+msgid "enable comments"
+msgstr "omogući komentarisanje"
+
+msgid "template name"
+msgstr "naziv templejta"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Primer: \"flatpages/contact_page.html\". Ako ovo ostavite praznim, sistem će "
+"koristiti \"flatpages/contact_page.html\"."
+
+msgid "registration required"
+msgstr "potrebna registracija"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ako je ovo obeleženo, samo će prijavljeni korisnici moći da vide ovu "
+"stranicu."
+
+msgid "sites"
+msgstr "sajtovi"
+
+msgid "flat page"
+msgstr "flet stranica"
+
+msgid "flat pages"
+msgstr "flet stranice"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..483a7583
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2e772d01
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Albin Larsson <albin.post@gmail.com>, 2022
+# Andreas Pelme <andreas@pelme.se>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2014
+# Petter Strandmark <petter.strandmark@gmail.com>, 2019
+# Thomas Lundqvist, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2022-07-24 19:03+0000\n"
+"Last-Translator: Albin Larsson <albin.post@gmail.com>\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Avancerade inställningar"
+
+msgid "Flat Pages"
+msgstr "Statiska sidor"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Exempel: \"/om/kontakt/\". Se till att ha inledande och avslutande "
+"snedstreck."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Detta värde får endast innehålla bokstäver, siffror, punkter, understreck, "
+"bindestreck, snedstreck och tilde."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "Exempel: \"/om/kontakt/\". Se till att ett inledande snedstreck."
+
+msgid "URL is missing a leading slash."
+msgstr "URL:en saknar ett inledande snedstreck."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL:en saknar ett avslutande snedstreck."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Statisk sida med %(url)s finns redan för webbplatsen %(site)s"
+
+msgid "title"
+msgstr "titel"
+
+msgid "content"
+msgstr "innehåll"
+
+msgid "enable comments"
+msgstr "aktivera kommentarer"
+
+msgid "template name"
+msgstr "mallnamn"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Exempel: 'sidor/kontaktsida.html'. Om detta inte fylls i kommer systemet att "
+"använda 'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "registrering krävs"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "Om detta bockas för kommer endast inloggade användare kunna se sidan."
+
+msgid "sites"
+msgstr "webbplatser"
+
+msgid "flat page"
+msgstr "statisk sida"
+
+msgid "flat pages"
+msgstr "statiska sidor"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fcf11e52
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sw/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..564ec069
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,83 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Machaku <bmachaku@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Chaguzi za kiwango cha juu"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Mfano: '/about/contact/'. Hakikisha unaweka mkwaju mwanzoni na mwishoni."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr "URL imekosa mkwaju mwishoni"
+
+msgid "URL is missing a trailing slash."
+msgstr "URL imekosa mkwaju mwanzoni"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "kichwa"
+
+msgid "content"
+msgstr "maudhui"
+
+msgid "enable comments"
+msgstr "ruhusu maoni"
+
+msgid "template name"
+msgstr "jina la templeti"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Mfano: 'flatpages/contact_page.html'. Ikiwa hii haitaainishwa mfumo utatumia "
+"'flatpages/default.html'."
+
+msgid "registration required"
+msgstr "usajili unahitajika"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Ikiwa hii itatikiwa ni watumiaji waliosajiliwa tuu ndio watakaoweza kuuona "
+"ukurasa huo"
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bf8dadf2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ab745cd3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/django/django/language/ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr "உதாரணம்: '/about/contact/'. முன்னும் பின்னும் '/' உள்ளதை உறுதி செய்க."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "தலைப்பு"
+
+msgid "content"
+msgstr "பொருளடக்கம்"
+
+msgid "enable comments"
+msgstr "விமர்சனங்களை செயலாக்கு"
+
+msgid "template name"
+msgstr "வார்ப்புரு பெயர்"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"உதாரணம்  'flatpages/contact_page'. இது இல்லையெனில் 'flatpages/default' என்பதே "
+"பயன்படுத்தப்படும்.ப்படும்."
+
+msgid "registration required"
+msgstr "முன்பதிவு தேவை"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"இது தெரிவு செய்யப்பட்டிருந்தால், உள்நுழைந்த பயனர்கள் மட்டுமே இந்தப் பக்கத்தை பார்க்க முடியும்."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "எளிய பக்கம்"
+
+msgid "flat pages"
+msgstr "எளிய பக்கங்கள்"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..76d634cd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0d38aaea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,79 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "పట్టము"
+
+msgid "content"
+msgstr "సూచన "
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"ఉదాహరణ: 'flatpages/contact_page.html'.ఇది ఇవ్వకపోతే సిస్టం  'flatpages/default."
+"html' ని వాడుకుంటడి"
+
+msgid "registration required"
+msgstr "నమొదు చేయటము అవసరం"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "ఇది చెక్ చేసి ఉంటే కేవలం లాగ్గడ్ ఇన్ యూజర్లు పేజి చూడలేస్తారు"
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2ce72c0c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e0f76cce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-15 00:29+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Танзимоти васеъ"
+
+msgid "Flat Pages"
+msgstr "Саҳифаҳои муқарарӣ"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Қимат бояд танҳо аз ҳарф, рақам, ва аломатҳои нуқта, зерхат, дефис, слеш ва "
+"зада иборат бошад."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr "Дар аввали URL слеш(/) мавҷуд нест"
+
+msgid "URL is missing a trailing slash."
+msgstr "Дар охири URL слеш(/) мавҷуд нест"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+"Саҳифаи муқарарӣ бо чунин суроға %(url)s  барои сомонаи %(site)s алакай "
+"мавҷуд аст."
+
+msgid "title"
+msgstr "сархат"
+
+msgid "content"
+msgstr "контент"
+
+msgid "enable comments"
+msgstr "фаъолсозии 'андешаҳо'"
+
+msgid "template name"
+msgstr "номи нусха"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+
+msgid "registration required"
+msgstr "Бақайдгирӣ талаб карда мешавад"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Агар қайд шуда бошад, танҳо истифодабарандагони рухсатдор метавонанд аз "
+"назар гузаронанд."
+
+msgid "sites"
+msgstr "сомонаҳо"
+
+msgid "flat page"
+msgstr "саҳифаи муқарарӣ"
+
+msgid "flat pages"
+msgstr "саҳифаҳои муқарарӣ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f477c9be
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/th/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..be7808af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Kowit Charoenratchatabhan <kowit.s.c@gmail.com>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "ตัวเลือกเพิ่มเติม"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr "ตัวอย่าง: '/about/contact/'. ต้องแน่ใจว่าขึ้นต้นและลงท้ายด้วยเครื่องหมาย /"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr "ค่านี้จะต้องประกอบด้วยตัวอักษร, ตัวเลข, จุด, ขีดขีดกลาง, เครื่องหมาย / หรือตัวหนอน"
+
+msgid "URL is missing a leading slash."
+msgstr "เครื่องหมาย \"/\" นำหน้า URL หายไป"
+
+msgid "URL is missing a trailing slash."
+msgstr "เครื่องหมาย \"/\" ตามหลัง URL หายไป"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "หน้าเรียบชื่อ %(url)s ถูกใช้ไปแล้วสำหรับ %(site)s"
+
+msgid "title"
+msgstr "หัวข้อ"
+
+msgid "content"
+msgstr "เนื้อหา"
+
+msgid "enable comments"
+msgstr "ใช้งานข้อติชม"
+
+msgid "template name"
+msgstr "ชื่อเทมเพลต"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"ตัวอย่าง: 'flatpages/contact_page.html' ถ้าไม่ได้ถูกใช้ ระบบจะใช้ 'flatpages/default."
+"html' "
+
+msgid "registration required"
+msgstr "ต้องลงทะเบียนก่อน"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "ถ้าถูกเลือก ผู้ใช้ที่ลงทะเบียนเข้าสู่ระบบเท่านั้นที่จะสามารถดูหน้านี้"
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "หน้าเรียบ"
+
+msgid "flat pages"
+msgstr "หน้าเรียบ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2248000f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ba5baf3c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,83 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Welbeck Garli <welbeckgrlyw@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-15 16:35+0000\n"
+"Last-Translator: Welbeck Garli <welbeckgrlyw@gmail.com>\n"
+"Language-Team: Turkmen (http://www.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "Has çylşyrymly wariantlar"
+
+msgid "Flat Pages"
+msgstr "Tekiz Sahypalar"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Meselem: \"about/contact/\". Dogry we yzygiderli çyzgylaryň bardygyna göz "
+"ýetiriň."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr ""
+
+msgid "content"
+msgstr ""
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+
+msgid "registration required"
+msgstr ""
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..920fcc49
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7ccae22c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,94 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# BouRock, 2015,2019
+# BouRock, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Metin Amiroff <amiroff@gmail.com>, 2011
+# Murat Çorlu <muratcorlu@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-17 08:28+0000\n"
+"Last-Translator: BouRock\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Advanced options"
+msgstr "Gelişmiş seçenekler"
+
+msgid "Flat Pages"
+msgstr "Düz Sayfalar"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Örnek: “/hakkinda/iletisim/”. Başında ve sonunda bölü işareti olduğundan "
+"emin olun."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Bu değer sadece harfler, sayılar, noktalar, altçizgiler, tireler, bölme veya "
+"yaklaşık işaretleri içermek zorundadır."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Örnek: “/hakkinda/iletisim”. Başında bölü işareti olduğundan emin olun."
+
+msgid "URL is missing a leading slash."
+msgstr "URL başında bölü işareti eksik."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL sonunda bölü işareti eksik."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(url)s adresli düz sayfa %(site)s sitesinde zaten mevcut"
+
+msgid "title"
+msgstr "başlık"
+
+msgid "content"
+msgstr "içerik"
+
+msgid "enable comments"
+msgstr "yorumları etkinleştir"
+
+msgid "template name"
+msgstr "şablon adı"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Örnek: “flatpages/contact_page.html”. Eğer bu şekilde yazılmazsa, sistem "
+"“flatpages/default.html” olarak kullanacak."
+
+msgid "registration required"
+msgstr "kayıt olma gerekli"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Eğer bu işaretlenirse, sadece oturum açan kullanıcılar sayfayı "
+"görüntüleyebilecektir."
+
+msgid "sites"
+msgstr "siteler"
+
+msgid "flat page"
+msgstr "düz sayfa"
+
+msgid "flat pages"
+msgstr "düz sayfalar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..038f647e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0754d685
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "Өстәмә көйләүләр"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"Үрнәк: '/about/contact/'. Алдынгы һәм арттагы авыш сызыкларын кертүне "
+"тикшерегез."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Бу кыйммәт тик хәрефләрдән, саннардан һәм нокта, астына сызу, тире, авыш "
+"сызык, тильда билгеләреннән генә тора ала."
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "башлам"
+
+msgid "content"
+msgstr "эчтәлек"
+
+msgid "enable comments"
+msgstr "фикерләрне ялгарга"
+
+msgid "template name"
+msgstr "шаблон исеме"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"Үрнәк: 'flatpages/contact_page.html'. Күрсәтелгән булмаса, система "
+"'flatpages/defalut.html' кулланыр."
+
+msgid "registration required"
+msgstr "теркәлү кирәк"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Билгеләнгән булса, фәкать кергән кулланучылар гына сәхифәне күрә алырлар."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "гади сәхифә"
+
+msgid "flat pages"
+msgstr "гади сәхифәләр"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4613a37a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..45fb8932
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,77 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/django/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr ""
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr ""
+
+msgid "content"
+msgstr ""
+
+msgid "enable comments"
+msgstr ""
+
+msgid "template name"
+msgstr ""
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr ""
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ug/LC_MESSAGES/django.mo
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index 00000000..422f871d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c4a1e711
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2023-12-04 19:03+0000\n"
+"Last-Translator: Azat, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "ئالىي تاللانما"
+
+msgid "Flat Pages"
+msgstr "تەكشى بەتلەر"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"مىسال: “/about/contact/”. باش قىسمى ۋە ئاخىر قىسمىدا سىزىق بولۇشى كېرەك."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"بۇ قىممەت پەقەت ھەرپلەر، سانلار، نۇقتىلار، ئاستى سىزىقلار، سىزىقلار، يانتۇ "
+"سىزىقلار ياكى تىلدىلاردىن تۈزۈلگەن بولۇشى كېرەك."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "مىسال: “/about/contact”. باش قىسمىدا سىزىق بولۇشى كېرەك."
+
+msgid "URL is missing a leading slash."
+msgstr "URL نىڭ باش قىسمىدا سىزىق يوق."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL نىڭ ئاخىر قىسمىدا سىزىق يوق."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "%(site)s تور بېكىتى ئۈچۈن %(url)ss URL ئادرېسلىق تەك بەت مەۋجۇت."
+
+msgid "title"
+msgstr "ماۋزۇ"
+
+msgid "content"
+msgstr "مەزمۇن"
+
+msgid "enable comments"
+msgstr "ئىنكاسلارنى قوزغىتىڭ"
+
+msgid "template name"
+msgstr "قېلىپ ئاتى"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"مىسال: “flatpages/contact_page.html”. ئەگەر بۇ تەمىنلەنمىسە، سىستېما "
+"“flatpages/default.html” نى ئىشلىتىدۇ."
+
+msgid "registration required"
+msgstr "تىزىملىتىش زۆرۈر"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "ئەگەر بۇ تاللانسا، پەقەت كىرگەن ئىشلەتكۈچىلەر بەتنى كۆرەلەيدۇ."
+
+msgid "sites"
+msgstr "بېكەتلەر"
+
+msgid "flat page"
+msgstr "تەكشى بەت"
+
+msgid "flat pages"
+msgstr "تەكشى بەتلەر"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..72d6b067
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8ba1e769
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,99 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Oleksandr Chernihov <o.chernihov@gmail.com>, 2014
+# Illia Volochii <illia.volochii@gmail.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Panasoft, 2016
+# Sergey Lysach <sergikoff88@gmail.com>, 2011-2012
+# tarasyyyk <taras.korzhak96@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2021-01-20 00:29+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Advanced options"
+msgstr "Додаткові опції"
+
+msgid "Flat Pages"
+msgstr "Прості сторінки"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr ""
+"Наприклад, “/about/contact/”. Переконайтеся у наявності скісної риски на "
+"початку та вкінці."
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"Це значення повинне містити тільки літери, цифри, крапки, підкреслення, "
+"тире, косі риси чи тільди."
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr ""
+"Наприклад, “/about/contact/”. Переконайтеся у наявності скісної риски на "
+"початку."
+
+msgid "URL is missing a leading slash."
+msgstr "На початку URL відсутня коса риса."
+
+msgid "URL is missing a trailing slash."
+msgstr "В кінці URL відсутня коса риса."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "Проста сторінка з адресою %(url)s вже існує для сайту %(site)s"
+
+msgid "title"
+msgstr "заголовок"
+
+msgid "content"
+msgstr "зміст"
+
+msgid "enable comments"
+msgstr "увімкнути коментарі"
+
+msgid "template name"
+msgstr "ім'я шаблона"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"Наприклад, “/about/contact/”. Якщо не вказано, система використовуватиме "
+"“flatpages/default.html”."
+
+msgid "registration required"
+msgstr "потрібна реєстрація"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Якщо тут є галочка, тільки користувачі, що увійшли, зможуть переглядати цю "
+"сторінку."
+
+msgid "sites"
+msgstr "сайти"
+
+msgid "flat page"
+msgstr "проста сторінка"
+
+msgid "flat pages"
+msgstr "прості сторінки"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dfb3755d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..73d30d33
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Advanced options"
+msgstr "اعلٰی اختیارات"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "یو آر ایل (URL("
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+"مثال:  '/about/contact/'۔ یقین کر لیں کہ سابقہ اور لاحقہ سلیش موجود ھے۔"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"اس قیمت (ویلیو) کا صرف حروف، نمبروں، نقاط، انڈرسکور، ڈیش، سلیش، یا ٹائلڈ پر "
+"مشتمل ھونا ضروری ھے۔"
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "عنوان"
+
+msgid "content"
+msgstr "مضمون"
+
+msgid "enable comments"
+msgstr "تبصرے فعال کریں"
+
+msgid "template name"
+msgstr "قالب کا نام"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+"مثال: 'flatpages/contact_page.html'۔ اگر یہ مھیا نھیں کیا گیا تو سسٹم "
+"'flatpages/default.html' استعمال کرے گا۔"
+
+msgid "registration required"
+msgstr "رجسٹریشن ضروری ھے"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"اگر یہ فعال ھے تو صرف اندر آئے ھوئے (logged-in) صارفین یہ صفحہ دیکھنے کے "
+"قابل ھوں گے۔"
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr "ھموار صفحہ"
+
+msgid "flat pages"
+msgstr "ھموار صفحے"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cbee5e44
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9caf5534
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,82 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# toi ta <phuongtran84fr@yahoo.fr>, 2016
+# Tran <hongdiepkien@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: toi ta <phuongtran84fr@yahoo.fr>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "Các tùy chọn nâng cao"
+
+msgid "Flat Pages"
+msgstr ""
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: '/about/contact/'. Make sure to have leading and trailing slashes."
+msgstr ""
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+
+msgid "URL is missing a leading slash."
+msgstr ""
+
+msgid "URL is missing a trailing slash."
+msgstr ""
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr ""
+
+msgid "title"
+msgstr "tiêu đề"
+
+msgid "content"
+msgstr "nội dung"
+
+msgid "enable comments"
+msgstr "mở bình luận"
+
+msgid "template name"
+msgstr "tên thiết kế"
+
+msgid ""
+"Example: 'flatpages/contact_page.html'. If this isn't provided, the system "
+"will use 'flatpages/default.html'."
+msgstr ""
+
+msgid "registration required"
+msgstr "Bạn cần phải cần đăng kí"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr ""
+"Nếu bạn đánh dấu vào đây, chỉ những tài khoản đã đăng nhập mới có thể xem "
+"được trang này."
+
+msgid "sites"
+msgstr ""
+
+msgid "flat page"
+msgstr ""
+
+msgid "flat pages"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..58e3c9e5
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a1e058ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lele Long <schemacs@gmail.com>, 2011
+# mozillazg <opensource.mozillazg@gmail.com>, 2016
+# Ronald White <tkliuxing@me.com>, 2014
+# Suntravel Chris <chrisfromcn@gmail.com>, 2019
+# wolf ice <warwolf7677@163.com>, 2020
+# Kevin Sze <leiarix@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-03-04 04:05+0000\n"
+"Last-Translator: wolf ice <warwolf7677@163.com>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "高级选项"
+
+msgid "Flat Pages"
+msgstr "简单页面"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "例如：“/about/contact/”。确保有开头和结尾的斜杠。"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr "该值必须只能包含字母，数字，点号，下划线，破折号，和"
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "例如：“/about/contact”。确保有一个开头的斜杠。"
+
+msgid "URL is missing a leading slash."
+msgstr "URL头部缺失斜线."
+
+msgid "URL is missing a trailing slash."
+msgstr "URL尾部缺失斜线."
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "带有url %(url)s的Flatpage已经存在于站点 %(site)s"
+
+msgid "title"
+msgstr "标题"
+
+msgid "content"
+msgstr "内容"
+
+msgid "enable comments"
+msgstr "允许评论"
+
+msgid "template name"
+msgstr "模板名称"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"例如：“flatpages/contact_page.html”。如果它未被提供，系统将使用“flatpages/"
+"default.html”。"
+
+msgid "registration required"
+msgstr "请先注册"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "如果被选中，仅登录用户才可以查看此页。"
+
+msgid "sites"
+msgstr "站点"
+
+msgid "flat page"
+msgstr "简单页面"
+
+msgid "flat pages"
+msgstr "简单页面"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8a1653ec
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cc555780
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# ilay <ilay@ilay.tw>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 619e61dbdb61c57213f62815aaf60e01, 2011
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 09:03+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Advanced options"
+msgstr "進階選項"
+
+msgid "Flat Pages"
+msgstr "簡平頁面"
+
+msgid "URL"
+msgstr "URL"
+
+msgid ""
+"Example: “/about/contact/”. Make sure to have leading and trailing slashes."
+msgstr "例如：「/about/contact/」。注意必須包含開頭與結束的斜線。"
+
+msgid ""
+"This value must contain only letters, numbers, dots, underscores, dashes, "
+"slashes or tildes."
+msgstr ""
+"此欄位只能有: 英文字母、數字、點(.)、底線(_)、刪節號(-)、斜線(/)、波浪號(~)。"
+
+msgid "Example: “/about/contact”. Make sure to have a leading slash."
+msgstr "例如：「/about/contact」。注意必須包含開頭的斜線。"
+
+msgid "URL is missing a leading slash."
+msgstr "URL 缺少前導的斜線。"
+
+msgid "URL is missing a trailing slash."
+msgstr "URL 缺少一個斜線。"
+
+#, python-format
+msgid "Flatpage with url %(url)s already exists for site %(site)s"
+msgstr "網站 %(site)s 已經存在一個浮動頁面，其位址為 %(url)s。"
+
+msgid "title"
+msgstr "標題"
+
+msgid "content"
+msgstr "內容"
+
+msgid "enable comments"
+msgstr "啟用評論"
+
+msgid "template name"
+msgstr "模板名稱"
+
+msgid ""
+"Example: “flatpages/contact_page.html”. If this isn’t provided, the system "
+"will use “flatpages/default.html”."
+msgstr ""
+"例如：「flatpages/contact_page.html」。若不提供，系統會使用「flatpages/"
+"default.html」。"
+
+msgid "registration required"
+msgstr "請先註冊"
+
+msgid "If this is checked, only logged-in users will be able to view the page."
+msgstr "如果此項被選取，則只有登入的使用者可以檢視頁面。"
+
+msgid "sites"
+msgstr "網站"
+
+msgid "flat page"
+msgstr "簡平頁面"
+
+msgid "flat pages"
+msgstr "簡平頁面"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/middleware.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/middleware.py
new file mode 100644
index 00000000..9c6a7273
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/middleware.py
@@ -0,0 +1,20 @@
+from django.conf import settings
+from django.contrib.flatpages.views import flatpage
+from django.http import Http404
+from django.utils.deprecation import MiddlewareMixin
+
+
+class FlatpageFallbackMiddleware(MiddlewareMixin):
+    def process_response(self, request, response):
+        if response.status_code != 404:
+            return response  # No need to check for a flatpage for non-404 responses.
+        try:
+            return flatpage(request, request.path_info)
+        # Return the original response if any errors happened. Because this
+        # is a middleware, we can't assume the errors will be caught elsewhere.
+        except Http404:
+            return response
+        except Exception:
+            if settings.DEBUG:
+                raise
+            return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/migrations/0001_initial.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/migrations/0001_initial.py
new file mode 100644
index 00000000..db950988
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/migrations/0001_initial.py
@@ -0,0 +1,68 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("sites", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="FlatPage",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                (
+                    "url",
+                    models.CharField(max_length=100, verbose_name="URL", db_index=True),
+                ),
+                ("title", models.CharField(max_length=200, verbose_name="title")),
+                ("content", models.TextField(verbose_name="content", blank=True)),
+                (
+                    "enable_comments",
+                    models.BooleanField(default=False, verbose_name="enable comments"),
+                ),
+                (
+                    "template_name",
+                    models.CharField(
+                        help_text=(
+                            "Example: “flatpages/contact_page.html”. If this isn’t "
+                            "provided, the system will use “flatpages/default.html”."
+                        ),
+                        max_length=70,
+                        verbose_name="template name",
+                        blank=True,
+                    ),
+                ),
+                (
+                    "registration_required",
+                    models.BooleanField(
+                        default=False,
+                        help_text=(
+                            "If this is checked, only logged-in users will be able to "
+                            "view the page."
+                        ),
+                        verbose_name="registration required",
+                    ),
+                ),
+                (
+                    "sites",
+                    models.ManyToManyField(to="sites.Site", verbose_name="sites"),
+                ),
+            ],
+            options={
+                "ordering": ["url"],
+                "db_table": "django_flatpage",
+                "verbose_name": "flat page",
+                "verbose_name_plural": "flat pages",
+            },
+            bases=(models.Model,),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/migrations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/migrations/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/models.py
new file mode 100644
index 00000000..d001cd18
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/models.py
@@ -0,0 +1,49 @@
+from django.contrib.sites.models import Site
+from django.db import models
+from django.urls import NoReverseMatch, get_script_prefix, reverse
+from django.utils.encoding import iri_to_uri
+from django.utils.translation import gettext_lazy as _
+
+
+class FlatPage(models.Model):
+    url = models.CharField(_("URL"), max_length=100, db_index=True)
+    title = models.CharField(_("title"), max_length=200)
+    content = models.TextField(_("content"), blank=True)
+    enable_comments = models.BooleanField(_("enable comments"), default=False)
+    template_name = models.CharField(
+        _("template name"),
+        max_length=70,
+        blank=True,
+        help_text=_(
+            "Example: “flatpages/contact_page.html”. If this isn’t provided, "
+            "the system will use “flatpages/default.html”."
+        ),
+    )
+    registration_required = models.BooleanField(
+        _("registration required"),
+        help_text=_(
+            "If this is checked, only logged-in users will be able to view the page."
+        ),
+        default=False,
+    )
+    sites = models.ManyToManyField(Site, verbose_name=_("sites"))
+
+    class Meta:
+        db_table = "django_flatpage"
+        verbose_name = _("flat page")
+        verbose_name_plural = _("flat pages")
+        ordering = ["url"]
+
+    def __str__(self):
+        return "%s -- %s" % (self.url, self.title)
+
+    def get_absolute_url(self):
+        from .views import flatpage
+
+        for url in (self.url.lstrip("/"), self.url):
+            try:
+                return reverse(flatpage, kwargs={"url": url})
+            except NoReverseMatch:
+                pass
+        # Handle script prefix manually because we bypass reverse()
+        return iri_to_uri(get_script_prefix().rstrip("/") + self.url)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/sitemaps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/sitemaps.py
new file mode 100644
index 00000000..405507c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/sitemaps.py
@@ -0,0 +1,14 @@
+from django.apps import apps as django_apps
+from django.contrib.sitemaps import Sitemap
+from django.core.exceptions import ImproperlyConfigured
+
+
+class FlatPageSitemap(Sitemap):
+    def items(self):
+        if not django_apps.is_installed("django.contrib.sites"):
+            raise ImproperlyConfigured(
+                "FlatPageSitemap requires django.contrib.sites, which isn't installed."
+            )
+        Site = django_apps.get_model("sites.Site")
+        current_site = Site.objects.get_current()
+        return current_site.flatpage_set.filter(registration_required=False)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/templatetags/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/templatetags/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/templatetags/flatpages.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/templatetags/flatpages.py
new file mode 100644
index 00000000..9ec6b880
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/templatetags/flatpages.py
@@ -0,0 +1,101 @@
+from django import template
+from django.conf import settings
+from django.contrib.flatpages.models import FlatPage
+from django.contrib.sites.shortcuts import get_current_site
+
+register = template.Library()
+
+
+class FlatpageNode(template.Node):
+    def __init__(self, context_name, starts_with=None, user=None):
+        self.context_name = context_name
+        if starts_with:
+            self.starts_with = template.Variable(starts_with)
+        else:
+            self.starts_with = None
+        if user:
+            self.user = template.Variable(user)
+        else:
+            self.user = None
+
+    def render(self, context):
+        if "request" in context:
+            site_pk = get_current_site(context["request"]).pk
+        else:
+            site_pk = settings.SITE_ID
+        flatpages = FlatPage.objects.filter(sites__id=site_pk)
+        # If a prefix was specified, add a filter
+        if self.starts_with:
+            flatpages = flatpages.filter(
+                url__startswith=self.starts_with.resolve(context)
+            )
+
+        # If the provided user is not authenticated, or no user
+        # was provided, filter the list to only public flatpages.
+        if self.user:
+            user = self.user.resolve(context)
+            if not user.is_authenticated:
+                flatpages = flatpages.filter(registration_required=False)
+        else:
+            flatpages = flatpages.filter(registration_required=False)
+
+        context[self.context_name] = flatpages
+        return ""
+
+
+@register.tag
+def get_flatpages(parser, token):
+    """
+    Retrieve all flatpage objects available for the current site and
+    visible to the specific user (or visible to all users if no user is
+    specified). Populate the template context with them in a variable
+    whose name is defined by the ``as`` clause.
+
+    An optional ``for`` clause controls the user whose permissions are used in
+    determining which flatpages are visible.
+
+    An optional argument, ``starts_with``, limits the returned flatpages to
+    those beginning with a particular base URL. This argument can be a variable
+    or a string, as it resolves from the template context.
+
+    Syntax::
+
+        {% get_flatpages ['url_starts_with'] [for user] as context_name %}
+
+    Example usage::
+
+        {% get_flatpages as flatpages %}
+        {% get_flatpages for someuser as flatpages %}
+        {% get_flatpages '/about/' as about_pages %}
+        {% get_flatpages prefix as about_pages %}
+        {% get_flatpages '/about/' for someuser as about_pages %}
+    """
+    bits = token.split_contents()
+    syntax_message = (
+        "%(tag_name)s expects a syntax of %(tag_name)s "
+        "['url_starts_with'] [for user] as context_name" % {"tag_name": bits[0]}
+    )
+    # Must have at 3-6 bits in the tag
+    if 3 <= len(bits) <= 6:
+        # If there's an even number of bits, there's no prefix
+        if len(bits) % 2 == 0:
+            prefix = bits[1]
+        else:
+            prefix = None
+
+        # The very last bit must be the context name
+        if bits[-2] != "as":
+            raise template.TemplateSyntaxError(syntax_message)
+        context_name = bits[-1]
+
+        # If there are 5 or 6 bits, there is a user defined
+        if len(bits) >= 5:
+            if bits[-4] != "for":
+                raise template.TemplateSyntaxError(syntax_message)
+            user = bits[-3]
+        else:
+            user = None
+
+        return FlatpageNode(context_name, starts_with=prefix, user=user)
+    else:
+        raise template.TemplateSyntaxError(syntax_message)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/urls.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/urls.py
new file mode 100644
index 00000000..d4480b3f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/urls.py
@@ -0,0 +1,6 @@
+from django.contrib.flatpages import views
+from django.urls import path
+
+urlpatterns = [
+    path("<path:url>", views.flatpage, name="django.contrib.flatpages.views.flatpage"),
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/views.py
new file mode 100644
index 00000000..776f1796
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/flatpages/views.py
@@ -0,0 +1,70 @@
+from django.conf import settings
+from django.contrib.flatpages.models import FlatPage
+from django.contrib.sites.shortcuts import get_current_site
+from django.http import Http404, HttpResponse, HttpResponsePermanentRedirect
+from django.shortcuts import get_object_or_404
+from django.template import loader
+from django.utils.safestring import mark_safe
+from django.views.decorators.csrf import csrf_protect
+
+DEFAULT_TEMPLATE = "flatpages/default.html"
+
+# This view is called from FlatpageFallbackMiddleware.process_response
+# when a 404 is raised, which often means CsrfViewMiddleware.process_view
+# has not been called even if CsrfViewMiddleware is installed. So we need
+# to use @csrf_protect, in case the template needs {% csrf_token %}.
+# However, we can't just wrap this view; if no matching flatpage exists,
+# or a redirect is required for authentication, the 404 needs to be returned
+# without any CSRF checks. Therefore, we only
+# CSRF protect the internal implementation.
+
+
+def flatpage(request, url):
+    """
+    Public interface to the flat page view.
+
+    Models: `flatpages.flatpages`
+    Templates: Uses the template defined by the ``template_name`` field,
+        or :template:`flatpages/default.html` if template_name is not defined.
+    Context:
+        flatpage
+            `flatpages.flatpages` object
+    """
+    if not url.startswith("/"):
+        url = "/" + url
+    site_id = get_current_site(request).id
+    try:
+        f = get_object_or_404(FlatPage, url=url, sites=site_id)
+    except Http404:
+        if not url.endswith("/") and settings.APPEND_SLASH:
+            url += "/"
+            f = get_object_or_404(FlatPage, url=url, sites=site_id)
+            return HttpResponsePermanentRedirect("%s/" % request.path)
+        else:
+            raise
+    return render_flatpage(request, f)
+
+
+@csrf_protect
+def render_flatpage(request, f):
+    """
+    Internal interface to the flat page view.
+    """
+    # If registration is required for accessing this page, and the user isn't
+    # logged in, redirect to the login page.
+    if f.registration_required and not request.user.is_authenticated:
+        from django.contrib.auth.views import redirect_to_login
+
+        return redirect_to_login(request.path)
+    if f.template_name:
+        template = loader.select_template((f.template_name, DEFAULT_TEMPLATE))
+    else:
+        template = loader.get_template(DEFAULT_TEMPLATE)
+
+    # To avoid having to always use the "|safe" filter in flatpage templates,
+    # mark the title and content as already safe (since they are raw HTML
+    # content in the first place).
+    f.title = mark_safe(f.title)
+    f.content = mark_safe(f.content)
+
+    return HttpResponse(template.render({"flatpage": f}, request))
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/admin/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/admin/__init__.py
new file mode 100644
index 00000000..c1f495be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/admin/__init__.py
@@ -0,0 +1,29 @@
+from django.contrib.admin import (
+    HORIZONTAL,
+    VERTICAL,
+    AdminSite,
+    ModelAdmin,
+    StackedInline,
+    TabularInline,
+    action,
+    autodiscover,
+    display,
+    register,
+    site,
+)
+from django.contrib.gis.admin.options import GISModelAdmin
+
+__all__ = [
+    "HORIZONTAL",
+    "VERTICAL",
+    "AdminSite",
+    "ModelAdmin",
+    "StackedInline",
+    "TabularInline",
+    "action",
+    "autodiscover",
+    "display",
+    "register",
+    "site",
+    "GISModelAdmin",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/admin/options.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/admin/options.py
new file mode 100644
index 00000000..eece2412
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/admin/options.py
@@ -0,0 +1,21 @@
+from django.contrib.admin import ModelAdmin
+from django.contrib.gis.db import models
+from django.contrib.gis.forms import OSMWidget
+
+
+class GeoModelAdminMixin:
+    gis_widget = OSMWidget
+    gis_widget_kwargs = {}
+
+    def formfield_for_dbfield(self, db_field, request, **kwargs):
+        if isinstance(db_field, models.GeometryField) and (
+            db_field.dim < 3 or self.gis_widget.supports_3d
+        ):
+            kwargs["widget"] = self.gis_widget(**self.gis_widget_kwargs)
+            return db_field.formfield(**kwargs)
+        else:
+            return super().formfield_for_dbfield(db_field, request, **kwargs)
+
+
+class GISModelAdmin(GeoModelAdminMixin, ModelAdmin):
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/apps.py
new file mode 100644
index 00000000..62825010
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/apps.py
@@ -0,0 +1,14 @@
+from django.apps import AppConfig
+from django.core import serializers
+from django.utils.translation import gettext_lazy as _
+
+
+class GISConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.gis"
+    verbose_name = _("GIS")
+
+    def ready(self):
+        serializers.BUILTIN_SERIALIZERS.setdefault(
+            "geojson", "django.contrib.gis.serializers.geojson"
+        )
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/adapter.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/adapter.py
new file mode 100644
index 00000000..b472e3aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/adapter.py
@@ -0,0 +1,26 @@
+class WKTAdapter:
+    """
+    An adaptor for Geometries sent to the MySQL and Oracle database backends.
+    """
+
+    def __init__(self, geom):
+        self.wkt = geom.wkt
+        self.srid = geom.srid
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, WKTAdapter)
+            and self.wkt == other.wkt
+            and self.srid == other.srid
+        )
+
+    def __hash__(self):
+        return hash((self.wkt, self.srid))
+
+    def __str__(self):
+        return self.wkt
+
+    @classmethod
+    def _fix_polygon(cls, poly):
+        # Hook for Oracle.
+        return poly
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/features.py
new file mode 100644
index 00000000..cc4ce104
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/features.py
@@ -0,0 +1,111 @@
+import re
+
+from django.contrib.gis.db import models
+
+
+class BaseSpatialFeatures:
+    gis_enabled = True
+
+    # Does the database contain a SpatialRefSys model to store SRID information?
+    has_spatialrefsys_table = True
+
+    # Does the backend support the django.contrib.gis.utils.add_srs_entry() utility?
+    supports_add_srs_entry = True
+    # Does the backend introspect GeometryField to its subtypes?
+    supports_geometry_field_introspection = True
+
+    # Does the database have a geography type?
+    supports_geography = False
+    # Does the backend support storing 3D geometries?
+    supports_3d_storage = False
+    # Reference implementation of 3D functions is:
+    # https://postgis.net/docs/PostGIS_Special_Functions_Index.html#PostGIS_3D_Functions
+    supports_3d_functions = False
+    # Does the database support SRID transform operations?
+    supports_transform = True
+    # Can geometry fields be null?
+    supports_null_geometries = True
+    # Are empty geometries supported?
+    supports_empty_geometries = False
+    # Can the function be applied on geodetic coordinate systems?
+    supports_distance_geodetic = True
+    supports_length_geodetic = True
+    supports_perimeter_geodetic = False
+    supports_area_geodetic = True
+    # Is the database able to count vertices on polygons (with `num_points`)?
+    supports_num_points_poly = True
+
+    # Does the backend support expressions for specifying distance in the
+    # dwithin lookup?
+    supports_dwithin_distance_expr = True
+
+    # Does the database have raster support?
+    supports_raster = False
+
+    # Does the database support a unique index on geometry fields?
+    supports_geometry_field_unique_index = True
+
+    # Can SchemaEditor alter geometry fields?
+    can_alter_geometry_field = True
+
+    # Do the database functions/aggregates support the tolerance parameter?
+    supports_tolerance_parameter = False
+
+    # Set of options that AsGeoJSON() doesn't support.
+    unsupported_geojson_options = {}
+
+    # Does Intersection() return None (rather than an empty GeometryCollection)
+    # for empty results?
+    empty_intersection_returns_none = True
+
+    @property
+    def supports_bbcontains_lookup(self):
+        return "bbcontains" in self.connection.ops.gis_operators
+
+    @property
+    def supports_contained_lookup(self):
+        return "contained" in self.connection.ops.gis_operators
+
+    @property
+    def supports_crosses_lookup(self):
+        return "crosses" in self.connection.ops.gis_operators
+
+    @property
+    def supports_distances_lookups(self):
+        return self.has_Distance_function
+
+    @property
+    def supports_dwithin_lookup(self):
+        return "dwithin" in self.connection.ops.gis_operators
+
+    @property
+    def supports_relate_lookup(self):
+        return "relate" in self.connection.ops.gis_operators
+
+    @property
+    def supports_isvalid_lookup(self):
+        return self.has_IsValid_function
+
+    # Is the aggregate supported by the database?
+    @property
+    def supports_collect_aggr(self):
+        return models.Collect not in self.connection.ops.disallowed_aggregates
+
+    @property
+    def supports_extent_aggr(self):
+        return models.Extent not in self.connection.ops.disallowed_aggregates
+
+    @property
+    def supports_make_line_aggr(self):
+        return models.MakeLine not in self.connection.ops.disallowed_aggregates
+
+    @property
+    def supports_union_aggr(self):
+        return models.Union not in self.connection.ops.disallowed_aggregates
+
+    def __getattr__(self, name):
+        m = re.match(r"has_(\w*)_function$", name)
+        if m:
+            func_name = m[1]
+            return func_name not in self.connection.ops.unsupported_functions
+        raise AttributeError
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/models.py
new file mode 100644
index 00000000..589c872d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/models.py
@@ -0,0 +1,140 @@
+from django.contrib.gis import gdal
+
+
+class SpatialRefSysMixin:
+    """
+    The SpatialRefSysMixin is a class used by the database-dependent
+    SpatialRefSys objects to reduce redundant code.
+    """
+
+    @property
+    def srs(self):
+        """
+        Return a GDAL SpatialReference object.
+        """
+        # TODO: Is caching really necessary here?  Is complexity worth it?
+        if hasattr(self, "_srs"):
+            # Returning a clone of the cached SpatialReference object.
+            return self._srs.clone()
+        else:
+            # Attempting to cache a SpatialReference object.
+
+            # Trying to get from WKT first.
+            try:
+                self._srs = gdal.SpatialReference(self.wkt)
+                return self.srs
+            except Exception as e:
+                msg = e
+
+            try:
+                self._srs = gdal.SpatialReference(self.proj4text)
+                return self.srs
+            except Exception as e:
+                msg = e
+
+            raise Exception(
+                "Could not get OSR SpatialReference from WKT: %s\nError:\n%s"
+                % (self.wkt, msg)
+            )
+
+    @property
+    def ellipsoid(self):
+        """
+        Return a tuple of the ellipsoid parameters:
+        (semimajor axis, semiminor axis, and inverse flattening).
+        """
+        return self.srs.ellipsoid
+
+    @property
+    def name(self):
+        "Return the projection name."
+        return self.srs.name
+
+    @property
+    def spheroid(self):
+        "Return the spheroid name for this spatial reference."
+        return self.srs["spheroid"]
+
+    @property
+    def datum(self):
+        "Return the datum for this spatial reference."
+        return self.srs["datum"]
+
+    @property
+    def projected(self):
+        "Is this Spatial Reference projected?"
+        return self.srs.projected
+
+    @property
+    def local(self):
+        "Is this Spatial Reference local?"
+        return self.srs.local
+
+    @property
+    def geographic(self):
+        "Is this Spatial Reference geographic?"
+        return self.srs.geographic
+
+    @property
+    def linear_name(self):
+        "Return the linear units name."
+        return self.srs.linear_name
+
+    @property
+    def linear_units(self):
+        "Return the linear units."
+        return self.srs.linear_units
+
+    @property
+    def angular_name(self):
+        "Return the name of the angular units."
+        return self.srs.angular_name
+
+    @property
+    def angular_units(self):
+        "Return the angular units."
+        return self.srs.angular_units
+
+    @property
+    def units(self):
+        "Return a tuple of the units and the name."
+        if self.projected or self.local:
+            return (self.linear_units, self.linear_name)
+        elif self.geographic:
+            return (self.angular_units, self.angular_name)
+        else:
+            return (None, None)
+
+    @classmethod
+    def get_units(cls, wkt):
+        """
+        Return a tuple of (unit_value, unit_name) for the given WKT without
+        using any of the database fields.
+        """
+        return gdal.SpatialReference(wkt).units
+
+    @classmethod
+    def get_spheroid(cls, wkt, string=True):
+        """
+        Class method used by GeometryField on initialization to
+        retrieve the `SPHEROID[..]` parameters from the given WKT.
+        """
+        srs = gdal.SpatialReference(wkt)
+        sphere_params = srs.ellipsoid
+        sphere_name = srs["spheroid"]
+
+        if not string:
+            return sphere_name, sphere_params
+        else:
+            # `string` parameter used to place in format acceptable by PostGIS
+            if len(sphere_params) == 3:
+                radius, flattening = sphere_params[0], sphere_params[2]
+            else:
+                radius, flattening = sphere_params
+            return 'SPHEROID["%s",%s,%s]' % (sphere_name, radius, flattening)
+
+    def __str__(self):
+        """
+        Return the string representation, a 'pretty' OGC WKT.
+        """
+        return str(self.srs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/operations.py
new file mode 100644
index 00000000..fafdf607
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/base/operations.py
@@ -0,0 +1,210 @@
+from django.contrib.gis.db.models import GeometryField
+from django.contrib.gis.db.models.functions import Distance
+from django.contrib.gis.measure import Area as AreaMeasure
+from django.contrib.gis.measure import Distance as DistanceMeasure
+from django.db import NotSupportedError
+from django.utils.functional import cached_property
+
+
+class BaseSpatialOperations:
+    # Quick booleans for the type of this spatial backend, and
+    # an attribute for the spatial database version tuple (if applicable)
+    postgis = False
+    spatialite = False
+    mariadb = False
+    mysql = False
+    oracle = False
+    spatial_version = None
+
+    # How the geometry column should be selected.
+    select = "%s"
+
+    @cached_property
+    def select_extent(self):
+        return self.select
+
+    # Aggregates
+    disallowed_aggregates = ()
+
+    geom_func_prefix = ""
+
+    # Mapping between Django function names and backend names, when names do not
+    # match; used in spatial_function_name().
+    function_names = {}
+
+    # Set of known unsupported functions of the backend
+    unsupported_functions = {
+        "Area",
+        "AsGeoJSON",
+        "AsGML",
+        "AsKML",
+        "AsSVG",
+        "Azimuth",
+        "BoundingCircle",
+        "Centroid",
+        "ClosestPoint",
+        "Difference",
+        "Distance",
+        "Envelope",
+        "FromWKB",
+        "FromWKT",
+        "GeoHash",
+        "GeometryDistance",
+        "Intersection",
+        "IsEmpty",
+        "IsValid",
+        "Length",
+        "LineLocatePoint",
+        "MakeValid",
+        "MemSize",
+        "NumGeometries",
+        "NumPoints",
+        "Perimeter",
+        "PointOnSurface",
+        "Reverse",
+        "Scale",
+        "SnapToGrid",
+        "SymDifference",
+        "Transform",
+        "Translate",
+        "Union",
+    }
+
+    # Constructors
+    from_text = False
+
+    # Default conversion functions for aggregates; will be overridden if implemented
+    # for the spatial backend.
+    def convert_extent(self, box, srid):
+        raise NotImplementedError(
+            "Aggregate extent not implemented for this spatial backend."
+        )
+
+    def convert_extent3d(self, box, srid):
+        raise NotImplementedError(
+            "Aggregate 3D extent not implemented for this spatial backend."
+        )
+
+    # For quoting column values, rather than columns.
+    def geo_quote_name(self, name):
+        return "'%s'" % name
+
+    # GeometryField operations
+    def geo_db_type(self, f):
+        """
+        Return the database column type for the geometry field on
+        the spatial backend.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseSpatialOperations must provide a geo_db_type() method"
+        )
+
+    def get_distance(self, f, value, lookup_type):
+        """
+        Return the distance parameters for the given geometry field,
+        lookup value, and lookup type.
+        """
+        raise NotImplementedError(
+            "Distance operations not available on this spatial backend."
+        )
+
+    def get_geom_placeholder(self, f, value, compiler):
+        """
+        Return the placeholder for the given geometry field with the given
+        value.  Depending on the spatial backend, the placeholder may contain a
+        stored procedure call to the transformation function of the spatial
+        backend.
+        """
+
+        def transform_value(value, field):
+            return value is not None and value.srid != field.srid
+
+        if hasattr(value, "as_sql"):
+            return (
+                "%s(%%s, %s)" % (self.spatial_function_name("Transform"), f.srid)
+                if transform_value(value.output_field, f)
+                else "%s"
+            )
+        if transform_value(value, f):
+            # Add Transform() to the SQL placeholder.
+            return "%s(%s(%%s,%s), %s)" % (
+                self.spatial_function_name("Transform"),
+                self.from_text,
+                value.srid,
+                f.srid,
+            )
+        elif self.connection.features.has_spatialrefsys_table:
+            return "%s(%%s,%s)" % (self.from_text, f.srid)
+        else:
+            # For backwards compatibility on MySQL (#27464).
+            return "%s(%%s)" % self.from_text
+
+    def check_expression_support(self, expression):
+        if isinstance(expression, self.disallowed_aggregates):
+            raise NotSupportedError(
+                "%s spatial aggregation is not supported by this database backend."
+                % expression.name
+            )
+        super().check_expression_support(expression)
+
+    def spatial_aggregate_name(self, agg_name):
+        raise NotImplementedError(
+            "Aggregate support not implemented for this spatial backend."
+        )
+
+    def spatial_function_name(self, func_name):
+        if func_name in self.unsupported_functions:
+            raise NotSupportedError(
+                "This backend doesn't support the %s function." % func_name
+            )
+        return self.function_names.get(func_name, self.geom_func_prefix + func_name)
+
+    # Routines for getting the OGC-compliant models.
+    def geometry_columns(self):
+        raise NotImplementedError(
+            "Subclasses of BaseSpatialOperations must provide a geometry_columns() "
+            "method."
+        )
+
+    def spatial_ref_sys(self):
+        raise NotImplementedError(
+            "subclasses of BaseSpatialOperations must a provide spatial_ref_sys() "
+            "method"
+        )
+
+    distance_expr_for_lookup = staticmethod(Distance)
+
+    def get_db_converters(self, expression):
+        converters = super().get_db_converters(expression)
+        if isinstance(expression.output_field, GeometryField):
+            converters.append(self.get_geometry_converter(expression))
+        return converters
+
+    def get_geometry_converter(self, expression):
+        raise NotImplementedError(
+            "Subclasses of BaseSpatialOperations must provide a "
+            "get_geometry_converter() method."
+        )
+
+    def get_area_att_for_field(self, field):
+        if field.geodetic(self.connection):
+            if self.connection.features.supports_area_geodetic:
+                return "sq_m"
+            raise NotImplementedError(
+                "Area on geodetic coordinate systems not supported."
+            )
+        else:
+            units_name = field.units_name(self.connection)
+            if units_name:
+                return AreaMeasure.unit_attname(units_name)
+
+    def get_distance_att_for_field(self, field):
+        dist_att = None
+        if field.geodetic(self.connection):
+            if self.connection.features.supports_distance_geodetic:
+                dist_att = "m"
+        else:
+            units = field.units_name(self.connection)
+            if units:
+                dist_att = DistanceMeasure.unit_attname(units)
+        return dist_att
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/base.py
new file mode 100644
index 00000000..4abc052e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/base.py
@@ -0,0 +1,14 @@
+from django.db.backends.mysql.base import DatabaseWrapper as MySQLDatabaseWrapper
+
+from .features import DatabaseFeatures
+from .introspection import MySQLIntrospection
+from .operations import MySQLOperations
+from .schema import MySQLGISSchemaEditor
+
+
+class DatabaseWrapper(MySQLDatabaseWrapper):
+    SchemaEditorClass = MySQLGISSchemaEditor
+    # Classes instantiated in __init__().
+    features_class = DatabaseFeatures
+    introspection_class = MySQLIntrospection
+    ops_class = MySQLOperations
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/features.py
new file mode 100644
index 00000000..cd994203
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/features.py
@@ -0,0 +1,21 @@
+from django.contrib.gis.db.backends.base.features import BaseSpatialFeatures
+from django.db.backends.mysql.features import DatabaseFeatures as MySQLDatabaseFeatures
+from django.utils.functional import cached_property
+
+
+class DatabaseFeatures(BaseSpatialFeatures, MySQLDatabaseFeatures):
+    empty_intersection_returns_none = False
+    has_spatialrefsys_table = False
+    supports_add_srs_entry = False
+    supports_distance_geodetic = False
+    supports_length_geodetic = False
+    supports_area_geodetic = False
+    supports_transform = False
+    supports_null_geometries = False
+    supports_num_points_poly = False
+    unsupported_geojson_options = {"crs"}
+
+    @cached_property
+    def supports_geometry_field_unique_index(self):
+        # Not supported in MySQL since https://dev.mysql.com/worklog/task/?id=11808
+        return self.connection.mysql_is_mariadb
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/introspection.py
new file mode 100644
index 00000000..4d6aea78
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/introspection.py
@@ -0,0 +1,33 @@
+from MySQLdb.constants import FIELD_TYPE
+
+from django.contrib.gis.gdal import OGRGeomType
+from django.db.backends.mysql.introspection import DatabaseIntrospection
+
+
+class MySQLIntrospection(DatabaseIntrospection):
+    # Updating the data_types_reverse dictionary with the appropriate
+    # type for Geometry fields.
+    data_types_reverse = DatabaseIntrospection.data_types_reverse.copy()
+    data_types_reverse[FIELD_TYPE.GEOMETRY] = "GeometryField"
+
+    def get_geometry_type(self, table_name, description):
+        with self.connection.cursor() as cursor:
+            # In order to get the specific geometry type of the field,
+            # we introspect on the table definition using `DESCRIBE`.
+            cursor.execute("DESCRIBE %s" % self.connection.ops.quote_name(table_name))
+            # Increment over description info until we get to the geometry
+            # column.
+            for column, typ, null, key, default, extra in cursor.fetchall():
+                if column == description.name:
+                    # Using OGRGeomType to convert from OGC name to Django field.
+                    # MySQL does not support 3D or SRIDs, so the field params
+                    # are empty.
+                    field_type = OGRGeomType(typ).django
+                    field_params = {}
+                    break
+        return field_type, field_params
+
+    def supports_spatial_index(self, cursor, table_name):
+        # Supported with MyISAM, Aria, or InnoDB.
+        storage_engine = self.get_storage_engine(cursor, table_name)
+        return storage_engine in ("MyISAM", "Aria", "InnoDB")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/operations.py
new file mode 100644
index 00000000..886db605
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/operations.py
@@ -0,0 +1,130 @@
+from django.contrib.gis.db import models
+from django.contrib.gis.db.backends.base.adapter import WKTAdapter
+from django.contrib.gis.db.backends.base.operations import BaseSpatialOperations
+from django.contrib.gis.db.backends.utils import SpatialOperator
+from django.contrib.gis.geos.geometry import GEOSGeometryBase
+from django.contrib.gis.geos.prototypes.io import wkb_r
+from django.contrib.gis.measure import Distance
+from django.db.backends.mysql.operations import DatabaseOperations
+from django.utils.functional import cached_property
+
+
+class MySQLOperations(BaseSpatialOperations, DatabaseOperations):
+    name = "mysql"
+    geom_func_prefix = "ST_"
+
+    Adapter = WKTAdapter
+
+    @cached_property
+    def mariadb(self):
+        return self.connection.mysql_is_mariadb
+
+    @cached_property
+    def mysql(self):
+        return not self.connection.mysql_is_mariadb
+
+    @cached_property
+    def select(self):
+        return self.geom_func_prefix + "AsBinary(%s)"
+
+    @cached_property
+    def from_text(self):
+        return self.geom_func_prefix + "GeomFromText"
+
+    @cached_property
+    def gis_operators(self):
+        operators = {
+            "bbcontains": SpatialOperator(
+                func="MBRContains"
+            ),  # For consistency w/PostGIS API
+            "bboverlaps": SpatialOperator(func="MBROverlaps"),  # ...
+            "contained": SpatialOperator(func="MBRWithin"),  # ...
+            "contains": SpatialOperator(func="ST_Contains"),
+            "crosses": SpatialOperator(func="ST_Crosses"),
+            "disjoint": SpatialOperator(func="ST_Disjoint"),
+            "equals": SpatialOperator(func="ST_Equals"),
+            "exact": SpatialOperator(func="ST_Equals"),
+            "intersects": SpatialOperator(func="ST_Intersects"),
+            "overlaps": SpatialOperator(func="ST_Overlaps"),
+            "same_as": SpatialOperator(func="ST_Equals"),
+            "touches": SpatialOperator(func="ST_Touches"),
+            "within": SpatialOperator(func="ST_Within"),
+        }
+        if self.connection.mysql_is_mariadb:
+            operators["relate"] = SpatialOperator(func="ST_Relate")
+        return operators
+
+    disallowed_aggregates = (
+        models.Collect,
+        models.Extent,
+        models.Extent3D,
+        models.MakeLine,
+        models.Union,
+    )
+
+    function_names = {
+        "FromWKB": "ST_GeomFromWKB",
+        "FromWKT": "ST_GeomFromText",
+    }
+
+    @cached_property
+    def unsupported_functions(self):
+        unsupported = {
+            "AsGML",
+            "AsKML",
+            "AsSVG",
+            "Azimuth",
+            "BoundingCircle",
+            "ClosestPoint",
+            "ForcePolygonCW",
+            "GeometryDistance",
+            "IsEmpty",
+            "LineLocatePoint",
+            "MakeValid",
+            "MemSize",
+            "Perimeter",
+            "PointOnSurface",
+            "Reverse",
+            "Scale",
+            "SnapToGrid",
+            "Transform",
+            "Translate",
+        }
+        if self.connection.mysql_is_mariadb:
+            unsupported.remove("PointOnSurface")
+            unsupported.update({"GeoHash", "IsValid"})
+        return unsupported
+
+    def geo_db_type(self, f):
+        return f.geom_type
+
+    def get_distance(self, f, value, lookup_type):
+        value = value[0]
+        if isinstance(value, Distance):
+            if f.geodetic(self.connection):
+                raise ValueError(
+                    "Only numeric values of degree units are allowed on "
+                    "geodetic distance queries."
+                )
+            dist_param = getattr(
+                value, Distance.unit_attname(f.units_name(self.connection))
+            )
+        else:
+            dist_param = value
+        return [dist_param]
+
+    def get_geometry_converter(self, expression):
+        read = wkb_r().read
+        srid = expression.output_field.srid
+        if srid == -1:
+            srid = None
+        geom_class = expression.output_field.geom_class
+
+        def converter(value, expression, connection):
+            if value is not None:
+                geom = GEOSGeometryBase(read(memoryview(value)), geom_class)
+                if srid:
+                    geom.srid = srid
+                return geom
+
+        return converter
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/schema.py
new file mode 100644
index 00000000..1c9fe0e5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/mysql/schema.py
@@ -0,0 +1,87 @@
+import logging
+
+from django.contrib.gis.db.models import GeometryField
+from django.db import OperationalError
+from django.db.backends.mysql.schema import DatabaseSchemaEditor
+
+logger = logging.getLogger("django.contrib.gis")
+
+
+class MySQLGISSchemaEditor(DatabaseSchemaEditor):
+    sql_add_spatial_index = "CREATE SPATIAL INDEX %(index)s ON %(table)s(%(column)s)"
+    sql_drop_spatial_index = "DROP INDEX %(index)s ON %(table)s"
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.geometry_sql = []
+
+    def skip_default(self, field):
+        # Geometry fields are stored as BLOB/TEXT, for which MySQL < 8.0.13
+        # doesn't support defaults.
+        if (
+            isinstance(field, GeometryField)
+            and not self._supports_limited_data_type_defaults
+        ):
+            return True
+        return super().skip_default(field)
+
+    def quote_value(self, value):
+        if isinstance(value, self.connection.ops.Adapter):
+            return super().quote_value(str(value))
+        return super().quote_value(value)
+
+    def column_sql(self, model, field, include_default=False):
+        column_sql = super().column_sql(model, field, include_default)
+        # MySQL doesn't support spatial indexes on NULL columns
+        if isinstance(field, GeometryField) and field.spatial_index and not field.null:
+            qn = self.connection.ops.quote_name
+            db_table = model._meta.db_table
+            self.geometry_sql.append(
+                self.sql_add_spatial_index
+                % {
+                    "index": qn(self._create_spatial_index_name(model, field)),
+                    "table": qn(db_table),
+                    "column": qn(field.column),
+                }
+            )
+        return column_sql
+
+    def create_model(self, model):
+        super().create_model(model)
+        self.create_spatial_indexes()
+
+    def add_field(self, model, field):
+        super().add_field(model, field)
+        self.create_spatial_indexes()
+
+    def remove_field(self, model, field):
+        if isinstance(field, GeometryField) and field.spatial_index:
+            qn = self.connection.ops.quote_name
+            sql = self.sql_drop_spatial_index % {
+                "index": qn(self._create_spatial_index_name(model, field)),
+                "table": qn(model._meta.db_table),
+            }
+            try:
+                self.execute(sql)
+            except OperationalError:
+                logger.error(
+                    "Couldn't remove spatial index: %s (may be expected "
+                    "if your storage engine doesn't support them).",
+                    sql,
+                )
+
+        super().remove_field(model, field)
+
+    def _create_spatial_index_name(self, model, field):
+        return "%s_%s_id" % (model._meta.db_table, field.column)
+
+    def create_spatial_indexes(self):
+        for sql in self.geometry_sql:
+            try:
+                self.execute(sql)
+            except OperationalError:
+                logger.error(
+                    f"Cannot create SPATIAL INDEX {sql}. Only MyISAM, Aria, and InnoDB "
+                    f"support them.",
+                )
+        self.geometry_sql = []
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/adapter.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/adapter.py
new file mode 100644
index 00000000..0bf11648
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/adapter.py
@@ -0,0 +1,61 @@
+from django.contrib.gis.db.backends.base.adapter import WKTAdapter
+from django.contrib.gis.geos import GeometryCollection, Polygon
+from django.db.backends.oracle.oracledb_any import oracledb
+
+
+class OracleSpatialAdapter(WKTAdapter):
+    input_size = oracledb.CLOB
+
+    def __init__(self, geom):
+        """
+        Oracle requires that polygon rings are in proper orientation. This
+        affects spatial operations and an invalid orientation may cause
+        failures. Correct orientations are:
+         * Outer ring - counter clockwise
+         * Inner ring(s) - clockwise
+        """
+        if isinstance(geom, Polygon):
+            if self._polygon_must_be_fixed(geom):
+                geom = self._fix_polygon(geom)
+        elif isinstance(geom, GeometryCollection):
+            if any(
+                isinstance(g, Polygon) and self._polygon_must_be_fixed(g) for g in geom
+            ):
+                geom = self._fix_geometry_collection(geom)
+
+        self.wkt = geom.wkt
+        self.srid = geom.srid
+
+    @staticmethod
+    def _polygon_must_be_fixed(poly):
+        return not poly.empty and (
+            not poly.exterior_ring.is_counterclockwise
+            or any(x.is_counterclockwise for x in poly)
+        )
+
+    @classmethod
+    def _fix_polygon(cls, poly, clone=True):
+        """Fix single polygon orientation as described in __init__()."""
+        if clone:
+            poly = poly.clone()
+
+        if not poly.exterior_ring.is_counterclockwise:
+            poly.exterior_ring = list(reversed(poly.exterior_ring))
+
+        for i in range(1, len(poly)):
+            if poly[i].is_counterclockwise:
+                poly[i] = list(reversed(poly[i]))
+
+        return poly
+
+    @classmethod
+    def _fix_geometry_collection(cls, coll):
+        """
+        Fix polygon orientations in geometry collections as described in
+        __init__().
+        """
+        coll = coll.clone()
+        for i, geom in enumerate(coll):
+            if isinstance(geom, Polygon):
+                coll[i] = cls._fix_polygon(geom, clone=False)
+        return coll
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/base.py
new file mode 100644
index 00000000..d43516a7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/base.py
@@ -0,0 +1,14 @@
+from django.db.backends.oracle.base import DatabaseWrapper as OracleDatabaseWrapper
+
+from .features import DatabaseFeatures
+from .introspection import OracleIntrospection
+from .operations import OracleOperations
+from .schema import OracleGISSchemaEditor
+
+
+class DatabaseWrapper(OracleDatabaseWrapper):
+    SchemaEditorClass = OracleGISSchemaEditor
+    # Classes instantiated in __init__().
+    features_class = DatabaseFeatures
+    introspection_class = OracleIntrospection
+    ops_class = OracleOperations
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/features.py
new file mode 100644
index 00000000..f346d935
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/features.py
@@ -0,0 +1,28 @@
+from django.contrib.gis.db.backends.base.features import BaseSpatialFeatures
+from django.db.backends.oracle.features import (
+    DatabaseFeatures as OracleDatabaseFeatures,
+)
+from django.utils.functional import cached_property
+
+
+class DatabaseFeatures(BaseSpatialFeatures, OracleDatabaseFeatures):
+    supports_add_srs_entry = False
+    supports_geometry_field_introspection = False
+    supports_geometry_field_unique_index = False
+    supports_perimeter_geodetic = True
+    supports_dwithin_distance_expr = False
+    supports_tolerance_parameter = True
+    unsupported_geojson_options = {"bbox", "crs", "precision"}
+
+    @cached_property
+    def django_test_skips(self):
+        skips = super().django_test_skips
+        skips.update(
+            {
+                "Oracle doesn't support spatial operators in constraints.": {
+                    "gis_tests.gis_migrations.test_operations.OperationTests."
+                    "test_add_check_constraint",
+                },
+            }
+        )
+        return skips
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/introspection.py
new file mode 100644
index 00000000..bf299b12
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/introspection.py
@@ -0,0 +1,46 @@
+from django.db.backends.oracle.introspection import DatabaseIntrospection
+from django.db.backends.oracle.oracledb_any import oracledb
+from django.utils.functional import cached_property
+
+
+class OracleIntrospection(DatabaseIntrospection):
+    # Associating any OBJECTVAR instances with GeometryField. This won't work
+    # right on Oracle objects that aren't MDSYS.SDO_GEOMETRY, but it is the
+    # only object type supported within Django anyways.
+    @cached_property
+    def data_types_reverse(self):
+        return {
+            **super().data_types_reverse,
+            oracledb.DB_TYPE_OBJECT: "GeometryField",
+        }
+
+    def get_geometry_type(self, table_name, description):
+        with self.connection.cursor() as cursor:
+            # Querying USER_SDO_GEOM_METADATA to get the SRID and dimension information.
+            try:
+                cursor.execute(
+                    'SELECT "DIMINFO", "SRID" FROM "USER_SDO_GEOM_METADATA" '
+                    'WHERE "TABLE_NAME"=%s AND "COLUMN_NAME"=%s',
+                    (table_name.upper(), description.name.upper()),
+                )
+                row = cursor.fetchone()
+            except Exception as exc:
+                raise Exception(
+                    "Could not find entry in USER_SDO_GEOM_METADATA "
+                    'corresponding to "%s"."%s"' % (table_name, description.name)
+                ) from exc
+
+            # TODO: Research way to find a more specific geometry field type for
+            # the column's contents.
+            field_type = "GeometryField"
+
+            # Getting the field parameters.
+            field_params = {}
+            dim, srid = row
+            if srid != 4326:
+                field_params["srid"] = srid
+            # Size of object array (SDO_DIM_ARRAY) is number of dimensions.
+            dim = dim.size()
+            if dim != 2:
+                field_params["dim"] = dim
+        return field_type, field_params
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/models.py
new file mode 100644
index 00000000..af749c34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/models.py
@@ -0,0 +1,65 @@
+"""
+ The GeometryColumns and SpatialRefSys models for the Oracle spatial
+ backend.
+
+ It should be noted that Oracle Spatial does not have database tables
+ named according to the OGC standard, so the closest analogs are used.
+ For example, the `USER_SDO_GEOM_METADATA` is used for the GeometryColumns
+ model and the `SDO_COORD_REF_SYS` is used for the SpatialRefSys model.
+"""
+
+from django.contrib.gis.db import models
+from django.contrib.gis.db.backends.base.models import SpatialRefSysMixin
+
+
+class OracleGeometryColumns(models.Model):
+    "Maps to the Oracle USER_SDO_GEOM_METADATA table."
+    table_name = models.CharField(max_length=32)
+    column_name = models.CharField(max_length=1024)
+    srid = models.IntegerField(primary_key=True)
+    # TODO: Add support for `diminfo` column (type MDSYS.SDO_DIM_ARRAY).
+
+    class Meta:
+        app_label = "gis"
+        db_table = "USER_SDO_GEOM_METADATA"
+        managed = False
+
+    def __str__(self):
+        return "%s - %s (SRID: %s)" % (self.table_name, self.column_name, self.srid)
+
+    @classmethod
+    def table_name_col(cls):
+        """
+        Return the name of the metadata column used to store the feature table
+        name.
+        """
+        return "table_name"
+
+    @classmethod
+    def geom_col_name(cls):
+        """
+        Return the name of the metadata column used to store the feature
+        geometry column.
+        """
+        return "column_name"
+
+
+class OracleSpatialRefSys(models.Model, SpatialRefSysMixin):
+    "Maps to the Oracle MDSYS.CS_SRS table."
+    cs_name = models.CharField(max_length=68)
+    srid = models.IntegerField(primary_key=True)
+    auth_srid = models.IntegerField()
+    auth_name = models.CharField(max_length=256)
+    wktext = models.CharField(max_length=2046)
+    # Optional geometry representing the bounds of this coordinate
+    # system.  By default, all are NULL in the table.
+    cs_bounds = models.PolygonField(null=True)
+
+    class Meta:
+        app_label = "gis"
+        db_table = "CS_SRS"
+        managed = False
+
+    @property
+    def wkt(self):
+        return self.wktext
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/operations.py
new file mode 100644
index 00000000..eb86dc39
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/operations.py
@@ -0,0 +1,247 @@
+"""
+ This module contains the spatial lookup types, and the `get_geo_where_clause`
+ routine for Oracle Spatial.
+
+ Please note that WKT support is broken on the XE version, and thus
+ this backend will not work on such platforms.  Specifically, XE lacks
+ support for an internal JVM, and Java libraries are required to use
+ the WKT constructors.
+"""
+
+import re
+
+from django.contrib.gis.db import models
+from django.contrib.gis.db.backends.base.operations import BaseSpatialOperations
+from django.contrib.gis.db.backends.oracle.adapter import OracleSpatialAdapter
+from django.contrib.gis.db.backends.utils import SpatialOperator
+from django.contrib.gis.geos.geometry import GEOSGeometry, GEOSGeometryBase
+from django.contrib.gis.geos.prototypes.io import wkb_r
+from django.contrib.gis.measure import Distance
+from django.db.backends.oracle.operations import DatabaseOperations
+
+DEFAULT_TOLERANCE = "0.05"
+
+
+class SDOOperator(SpatialOperator):
+    sql_template = "%(func)s(%(lhs)s, %(rhs)s) = 'TRUE'"
+
+
+class SDODWithin(SpatialOperator):
+    sql_template = "SDO_WITHIN_DISTANCE(%(lhs)s, %(rhs)s, %%s) = 'TRUE'"
+
+
+class SDODisjoint(SpatialOperator):
+    sql_template = (
+        "SDO_GEOM.RELATE(%%(lhs)s, 'DISJOINT', %%(rhs)s, %s) = 'DISJOINT'"
+        % DEFAULT_TOLERANCE
+    )
+
+
+class SDORelate(SpatialOperator):
+    sql_template = "SDO_RELATE(%(lhs)s, %(rhs)s, 'mask=%(mask)s') = 'TRUE'"
+
+    def check_relate_argument(self, arg):
+        masks = (
+            "TOUCH|OVERLAPBDYDISJOINT|OVERLAPBDYINTERSECT|EQUAL|INSIDE|COVEREDBY|"
+            "CONTAINS|COVERS|ANYINTERACT|ON"
+        )
+        mask_regex = re.compile(r"^(%s)(\+(%s))*$" % (masks, masks), re.I)
+        if not isinstance(arg, str) or not mask_regex.match(arg):
+            raise ValueError('Invalid SDO_RELATE mask: "%s"' % arg)
+
+    def as_sql(self, connection, lookup, template_params, sql_params):
+        template_params["mask"] = sql_params[-1]
+        return super().as_sql(connection, lookup, template_params, sql_params[:-1])
+
+
+class OracleOperations(BaseSpatialOperations, DatabaseOperations):
+    name = "oracle"
+    oracle = True
+    disallowed_aggregates = (models.Collect, models.Extent3D, models.MakeLine)
+
+    Adapter = OracleSpatialAdapter
+
+    extent = "SDO_AGGR_MBR"
+    unionagg = "SDO_AGGR_UNION"
+
+    from_text = "SDO_GEOMETRY"
+
+    function_names = {
+        "Area": "SDO_GEOM.SDO_AREA",
+        "AsGeoJSON": "SDO_UTIL.TO_GEOJSON",
+        "AsWKB": "SDO_UTIL.TO_WKBGEOMETRY",
+        "AsWKT": "SDO_UTIL.TO_WKTGEOMETRY",
+        "BoundingCircle": "SDO_GEOM.SDO_MBC",
+        "Centroid": "SDO_GEOM.SDO_CENTROID",
+        "Difference": "SDO_GEOM.SDO_DIFFERENCE",
+        "Distance": "SDO_GEOM.SDO_DISTANCE",
+        "Envelope": "SDO_GEOM_MBR",
+        "FromWKB": "SDO_UTIL.FROM_WKBGEOMETRY",
+        "FromWKT": "SDO_UTIL.FROM_WKTGEOMETRY",
+        "Intersection": "SDO_GEOM.SDO_INTERSECTION",
+        "IsValid": "SDO_GEOM.VALIDATE_GEOMETRY_WITH_CONTEXT",
+        "Length": "SDO_GEOM.SDO_LENGTH",
+        "NumGeometries": "SDO_UTIL.GETNUMELEM",
+        "NumPoints": "SDO_UTIL.GETNUMVERTICES",
+        "Perimeter": "SDO_GEOM.SDO_LENGTH",
+        "PointOnSurface": "SDO_GEOM.SDO_POINTONSURFACE",
+        "Reverse": "SDO_UTIL.REVERSE_LINESTRING",
+        "SymDifference": "SDO_GEOM.SDO_XOR",
+        "Transform": "SDO_CS.TRANSFORM",
+        "Union": "SDO_GEOM.SDO_UNION",
+    }
+
+    # We want to get SDO Geometries as WKT because it is much easier to
+    # instantiate GEOS proxies from WKT than SDO_GEOMETRY(...) strings.
+    # However, this adversely affects performance (i.e., Java is called
+    # to convert to WKT on every query).  If someone wishes to write a
+    # SDO_GEOMETRY(...) parser in Python, let me know =)
+    select = "SDO_UTIL.TO_WKBGEOMETRY(%s)"
+
+    gis_operators = {
+        "contains": SDOOperator(func="SDO_CONTAINS"),
+        "coveredby": SDOOperator(func="SDO_COVEREDBY"),
+        "covers": SDOOperator(func="SDO_COVERS"),
+        "disjoint": SDODisjoint(),
+        "intersects": SDOOperator(
+            func="SDO_OVERLAPBDYINTERSECT"
+        ),  # TODO: Is this really the same as ST_Intersects()?
+        "equals": SDOOperator(func="SDO_EQUAL"),
+        "exact": SDOOperator(func="SDO_EQUAL"),
+        "overlaps": SDOOperator(func="SDO_OVERLAPS"),
+        "same_as": SDOOperator(func="SDO_EQUAL"),
+        # Oracle uses a different syntax, e.g., 'mask=inside+touch'
+        "relate": SDORelate(),
+        "touches": SDOOperator(func="SDO_TOUCH"),
+        "within": SDOOperator(func="SDO_INSIDE"),
+        "dwithin": SDODWithin(),
+    }
+
+    unsupported_functions = {
+        "AsKML",
+        "AsSVG",
+        "Azimuth",
+        "ClosestPoint",
+        "ForcePolygonCW",
+        "GeoHash",
+        "GeometryDistance",
+        "IsEmpty",
+        "LineLocatePoint",
+        "MakeValid",
+        "MemSize",
+        "Scale",
+        "SnapToGrid",
+        "Translate",
+    }
+
+    def geo_quote_name(self, name):
+        return super().geo_quote_name(name).upper()
+
+    def convert_extent(self, clob):
+        if clob:
+            # Generally, Oracle returns a polygon for the extent -- however,
+            # it can return a single point if there's only one Point in the
+            # table.
+            ext_geom = GEOSGeometry(memoryview(clob.read()))
+            gtype = str(ext_geom.geom_type)
+            if gtype == "Polygon":
+                # Construct the 4-tuple from the coordinates in the polygon.
+                shell = ext_geom.shell
+                ll, ur = shell[0][:2], shell[2][:2]
+            elif gtype == "Point":
+                ll = ext_geom.coords[:2]
+                ur = ll
+            else:
+                raise Exception(
+                    "Unexpected geometry type returned for extent: %s" % gtype
+                )
+            xmin, ymin = ll
+            xmax, ymax = ur
+            return (xmin, ymin, xmax, ymax)
+        else:
+            return None
+
+    def geo_db_type(self, f):
+        """
+        Return the geometry database type for Oracle. Unlike other spatial
+        backends, no stored procedure is necessary and it's the same for all
+        geometry types.
+        """
+        return "MDSYS.SDO_GEOMETRY"
+
+    def get_distance(self, f, value, lookup_type):
+        """
+        Return the distance parameters given the value and the lookup type.
+        On Oracle, geometry columns with a geodetic coordinate system behave
+        implicitly like a geography column, and thus meters will be used as
+        the distance parameter on them.
+        """
+        if not value:
+            return []
+        value = value[0]
+        if isinstance(value, Distance):
+            if f.geodetic(self.connection):
+                dist_param = value.m
+            else:
+                dist_param = getattr(
+                    value, Distance.unit_attname(f.units_name(self.connection))
+                )
+        else:
+            dist_param = value
+
+        # dwithin lookups on Oracle require a special string parameter
+        # that starts with "distance=".
+        if lookup_type == "dwithin":
+            dist_param = "distance=%s" % dist_param
+
+        return [dist_param]
+
+    def get_geom_placeholder(self, f, value, compiler):
+        if value is None:
+            return "NULL"
+        return super().get_geom_placeholder(f, value, compiler)
+
+    def spatial_aggregate_name(self, agg_name):
+        """
+        Return the spatial aggregate SQL name.
+        """
+        agg_name = "unionagg" if agg_name.lower() == "union" else agg_name.lower()
+        return getattr(self, agg_name)
+
+    # Routines for getting the OGC-compliant models.
+    def geometry_columns(self):
+        from django.contrib.gis.db.backends.oracle.models import OracleGeometryColumns
+
+        return OracleGeometryColumns
+
+    def spatial_ref_sys(self):
+        from django.contrib.gis.db.backends.oracle.models import OracleSpatialRefSys
+
+        return OracleSpatialRefSys
+
+    def modify_insert_params(self, placeholder, params):
+        """Drop out insert parameters for NULL placeholder. Needed for Oracle Spatial
+        backend due to #10888.
+        """
+        if placeholder == "NULL":
+            return []
+        return super().modify_insert_params(placeholder, params)
+
+    def get_geometry_converter(self, expression):
+        read = wkb_r().read
+        srid = expression.output_field.srid
+        if srid == -1:
+            srid = None
+        geom_class = expression.output_field.geom_class
+
+        def converter(value, expression, connection):
+            if value is not None:
+                geom = GEOSGeometryBase(read(memoryview(value.read())), geom_class)
+                if srid:
+                    geom.srid = srid
+                return geom
+
+        return converter
+
+    def get_area_att_for_field(self, field):
+        return "sq_m"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/schema.py
new file mode 100644
index 00000000..c9192d03
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/oracle/schema.py
@@ -0,0 +1,121 @@
+from django.contrib.gis.db.models import GeometryField
+from django.db.backends.oracle.schema import DatabaseSchemaEditor
+from django.db.backends.utils import strip_quotes, truncate_name
+
+
+class OracleGISSchemaEditor(DatabaseSchemaEditor):
+    sql_add_geometry_metadata = """
+        INSERT INTO USER_SDO_GEOM_METADATA
+            ("TABLE_NAME", "COLUMN_NAME", "DIMINFO", "SRID")
+        VALUES (
+            %(table)s,
+            %(column)s,
+            MDSYS.SDO_DIM_ARRAY(
+                MDSYS.SDO_DIM_ELEMENT('LONG', %(dim0)s, %(dim2)s, %(tolerance)s),
+                MDSYS.SDO_DIM_ELEMENT('LAT', %(dim1)s, %(dim3)s, %(tolerance)s)
+            ),
+            %(srid)s
+        )"""
+    sql_add_spatial_index = (
+        "CREATE INDEX %(index)s ON %(table)s(%(column)s) "
+        "INDEXTYPE IS MDSYS.SPATIAL_INDEX"
+    )
+    sql_drop_spatial_index = "DROP INDEX %(index)s"
+    sql_clear_geometry_table_metadata = (
+        "DELETE FROM USER_SDO_GEOM_METADATA WHERE TABLE_NAME = %(table)s"
+    )
+    sql_clear_geometry_field_metadata = (
+        "DELETE FROM USER_SDO_GEOM_METADATA WHERE TABLE_NAME = %(table)s "
+        "AND COLUMN_NAME = %(column)s"
+    )
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.geometry_sql = []
+
+    def geo_quote_name(self, name):
+        return self.connection.ops.geo_quote_name(name)
+
+    def quote_value(self, value):
+        if isinstance(value, self.connection.ops.Adapter):
+            return super().quote_value(str(value))
+        return super().quote_value(value)
+
+    def column_sql(self, model, field, include_default=False):
+        column_sql = super().column_sql(model, field, include_default)
+        if isinstance(field, GeometryField):
+            db_table = model._meta.db_table
+            self.geometry_sql.append(
+                self.sql_add_geometry_metadata
+                % {
+                    "table": self.geo_quote_name(db_table),
+                    "column": self.geo_quote_name(field.column),
+                    "dim0": field._extent[0],
+                    "dim1": field._extent[1],
+                    "dim2": field._extent[2],
+                    "dim3": field._extent[3],
+                    "tolerance": field._tolerance,
+                    "srid": field.srid,
+                }
+            )
+            if field.spatial_index:
+                self.geometry_sql.append(
+                    self.sql_add_spatial_index
+                    % {
+                        "index": self.quote_name(
+                            self._create_spatial_index_name(model, field)
+                        ),
+                        "table": self.quote_name(db_table),
+                        "column": self.quote_name(field.column),
+                    }
+                )
+        return column_sql
+
+    def create_model(self, model):
+        super().create_model(model)
+        self.run_geometry_sql()
+
+    def delete_model(self, model):
+        super().delete_model(model)
+        self.execute(
+            self.sql_clear_geometry_table_metadata
+            % {
+                "table": self.geo_quote_name(model._meta.db_table),
+            }
+        )
+
+    def add_field(self, model, field):
+        super().add_field(model, field)
+        self.run_geometry_sql()
+
+    def remove_field(self, model, field):
+        if isinstance(field, GeometryField):
+            self.execute(
+                self.sql_clear_geometry_field_metadata
+                % {
+                    "table": self.geo_quote_name(model._meta.db_table),
+                    "column": self.geo_quote_name(field.column),
+                }
+            )
+            if field.spatial_index:
+                self.execute(
+                    self.sql_drop_spatial_index
+                    % {
+                        "index": self.quote_name(
+                            self._create_spatial_index_name(model, field)
+                        ),
+                    }
+                )
+        super().remove_field(model, field)
+
+    def run_geometry_sql(self):
+        for sql in self.geometry_sql:
+            self.execute(sql)
+        self.geometry_sql = []
+
+    def _create_spatial_index_name(self, model, field):
+        # Oracle doesn't allow object names > 30 characters. Use this scheme
+        # instead of self._create_index_name() for backwards compatibility.
+        return truncate_name(
+            "%s_%s_id" % (strip_quotes(model._meta.db_table), field.column), 30
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/__init__.py
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index 00000000..e69de29b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/adapter.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/adapter.py
new file mode 100644
index 00000000..c9715e17
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/adapter.py
@@ -0,0 +1,63 @@
+"""
+ This object provides quoting for GEOS geometries into PostgreSQL/PostGIS.
+"""
+
+from django.contrib.gis.db.backends.postgis.pgraster import to_pgraster
+from django.contrib.gis.geos import GEOSGeometry
+from django.db.backends.postgresql.psycopg_any import sql
+
+
+class PostGISAdapter:
+    def __init__(self, obj, geography=False):
+        """
+        Initialize on the spatial object.
+        """
+        self.is_geometry = isinstance(obj, (GEOSGeometry, PostGISAdapter))
+
+        # Getting the WKB (in string form, to allow easy pickling of
+        # the adaptor) and the SRID from the geometry or raster.
+        if self.is_geometry:
+            self.ewkb = bytes(obj.ewkb)
+        else:
+            self.ewkb = to_pgraster(obj)
+
+        self.srid = obj.srid
+        self.geography = geography
+
+    def __conform__(self, proto):
+        """Does the given protocol conform to what Psycopg2 expects?"""
+        from psycopg2.extensions import ISQLQuote
+
+        if proto == ISQLQuote:
+            return self
+        else:
+            raise Exception(
+                "Error implementing psycopg2 protocol. Is psycopg2 installed?"
+            )
+
+    def __eq__(self, other):
+        return isinstance(other, PostGISAdapter) and self.ewkb == other.ewkb
+
+    def __hash__(self):
+        return hash(self.ewkb)
+
+    def __str__(self):
+        return self.getquoted().decode()
+
+    @classmethod
+    def _fix_polygon(cls, poly):
+        return poly
+
+    def getquoted(self):
+        """
+        Return a properly quoted string for use in PostgreSQL/PostGIS.
+        """
+        if self.is_geometry:
+            # Psycopg will figure out whether to use E'\\000' or '\000'.
+            return b"%s(%s)" % (
+                b"ST_GeogFromWKB" if self.geography else b"ST_GeomFromEWKB",
+                sql.quote(self.ewkb).encode(),
+            )
+        else:
+            # For rasters, add explicit type cast to WKB string.
+            return b"'%s'::raster" % self.ewkb.hex().encode()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/base.py
new file mode 100644
index 00000000..8360c0e1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/base.py
@@ -0,0 +1,161 @@
+from functools import lru_cache
+
+from django.db.backends.base.base import NO_DB_ALIAS
+from django.db.backends.postgresql.base import DatabaseWrapper as PsycopgDatabaseWrapper
+from django.db.backends.postgresql.features import (
+    DatabaseFeatures as PsycopgDatabaseFeatures,
+)
+from django.db.backends.postgresql.introspection import (
+    DatabaseIntrospection as PsycopgDatabaseIntrospection,
+)
+from django.db.backends.postgresql.operations import (
+    DatabaseOperations as PsycopgDatabaseOperations,
+)
+from django.db.backends.postgresql.psycopg_any import is_psycopg3
+
+from .adapter import PostGISAdapter
+from .features import DatabaseFeatures
+from .introspection import PostGISIntrospection
+from .operations import PostGISOperations
+from .schema import PostGISSchemaEditor
+
+if is_psycopg3:
+    from psycopg.adapt import Dumper
+    from psycopg.pq import Format
+    from psycopg.types import TypeInfo
+    from psycopg.types.string import TextBinaryLoader, TextLoader
+
+    class GeometryType:
+        pass
+
+    class GeographyType:
+        pass
+
+    class RasterType:
+        pass
+
+    class BaseTextDumper(Dumper):
+        def dump(self, obj):
+            # Return bytes as hex for text formatting
+            return obj.ewkb.hex().encode()
+
+    class BaseBinaryDumper(Dumper):
+        format = Format.BINARY
+
+        def dump(self, obj):
+            return obj.ewkb
+
+    @lru_cache
+    def postgis_adapters(geo_oid, geog_oid, raster_oid):
+        class BaseDumper(Dumper):
+            def __init_subclass__(cls, base_dumper):
+                super().__init_subclass__()
+
+                cls.GeometryDumper = type(
+                    "GeometryDumper", (base_dumper,), {"oid": geo_oid}
+                )
+                cls.GeographyDumper = type(
+                    "GeographyDumper", (base_dumper,), {"oid": geog_oid}
+                )
+                cls.RasterDumper = type(
+                    "RasterDumper", (BaseTextDumper,), {"oid": raster_oid}
+                )
+
+            def get_key(self, obj, format):
+                if obj.is_geometry:
+                    return GeographyType if obj.geography else GeometryType
+                else:
+                    return RasterType
+
+            def upgrade(self, obj, format):
+                if obj.is_geometry:
+                    if obj.geography:
+                        return self.GeographyDumper(GeographyType)
+                    else:
+                        return self.GeometryDumper(GeometryType)
+                else:
+                    return self.RasterDumper(RasterType)
+
+            def dump(self, obj):
+                raise NotImplementedError
+
+        class PostGISTextDumper(BaseDumper, base_dumper=BaseTextDumper):
+            pass
+
+        class PostGISBinaryDumper(BaseDumper, base_dumper=BaseBinaryDumper):
+            format = Format.BINARY
+
+        return PostGISTextDumper, PostGISBinaryDumper
+
+
+class DatabaseWrapper(PsycopgDatabaseWrapper):
+    SchemaEditorClass = PostGISSchemaEditor
+    features_class = DatabaseFeatures
+    ops_class = PostGISOperations
+    introspection_class = PostGISIntrospection
+
+    _type_infos = {
+        "geometry": {},
+        "geography": {},
+        "raster": {},
+    }
+
+    def __init__(self, *args, **kwargs):
+        if kwargs.get("alias", "") == NO_DB_ALIAS:
+            # Don't initialize PostGIS-specific stuff for non-db connections.
+            self.features_class = PsycopgDatabaseFeatures
+            self.ops_class = PsycopgDatabaseOperations
+            self.introspection_class = PsycopgDatabaseIntrospection
+
+        super().__init__(*args, **kwargs)
+
+    def prepare_database(self):
+        super().prepare_database()
+        # Check that postgis extension is installed.
+        with self.cursor() as cursor:
+            cursor.execute("SELECT 1 FROM pg_extension WHERE extname = %s", ["postgis"])
+            if bool(cursor.fetchone()):
+                return
+            cursor.execute("CREATE EXTENSION IF NOT EXISTS postgis")
+            if is_psycopg3:
+                # Ensure adapters are registers if PostGIS is used within this
+                # connection.
+                self.register_geometry_adapters(self.connection, True)
+
+    def get_new_connection(self, conn_params):
+        connection = super().get_new_connection(conn_params)
+        if is_psycopg3:
+            self.register_geometry_adapters(connection)
+        return connection
+
+    if is_psycopg3:
+
+        def _register_type(self, pg_connection, typename):
+            registry = self._type_infos[typename]
+            try:
+                info = registry[self.alias]
+            except KeyError:
+                info = TypeInfo.fetch(pg_connection, typename)
+                registry[self.alias] = info
+
+            if info:  # Can be None if the type does not exist (yet).
+                info.register(pg_connection)
+                pg_connection.adapters.register_loader(info.oid, TextLoader)
+                pg_connection.adapters.register_loader(info.oid, TextBinaryLoader)
+
+            return info.oid if info else None
+
+        def register_geometry_adapters(self, pg_connection, clear_caches=False):
+            if clear_caches:
+                for typename in self._type_infos:
+                    self._type_infos[typename].pop(self.alias, None)
+
+            geo_oid = self._register_type(pg_connection, "geometry")
+            geog_oid = self._register_type(pg_connection, "geography")
+            raster_oid = self._register_type(pg_connection, "raster")
+
+            PostGISTextDumper, PostGISBinaryDumper = postgis_adapters(
+                geo_oid, geog_oid, raster_oid
+            )
+            pg_connection.adapters.register_dumper(PostGISAdapter, PostGISTextDumper)
+            pg_connection.adapters.register_dumper(PostGISAdapter, PostGISBinaryDumper)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/const.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/const.py
new file mode 100644
index 00000000..8bc16a1a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/const.py
@@ -0,0 +1,63 @@
+"""
+PostGIS to GDAL conversion constant definitions
+"""
+
+# Lookup to convert pixel type values from GDAL to PostGIS
+GDAL_TO_POSTGIS = [None, 4, 6, 5, 8, 7, 10, 11, None, None, None, None]
+
+# Lookup to convert pixel type values from PostGIS to GDAL
+POSTGIS_TO_GDAL = [1, 1, 1, 3, 1, 3, 2, 5, 4, None, 6, 7, None, None]
+
+# Struct pack structure for raster header, the raster header has the
+# following structure:
+#
+# Endianness, PostGIS raster version, number of bands, scale, origin,
+# skew, srid, width, and height.
+#
+# Scale, origin, and skew have x and y values. PostGIS currently uses
+# a fixed endianness (1) and there is only one version (0).
+POSTGIS_HEADER_STRUCTURE = "B H H d d d d d d i H H"
+
+# Lookup values to convert GDAL pixel types to struct characters. This is
+# used to pack and unpack the pixel values of PostGIS raster bands.
+GDAL_TO_STRUCT = [
+    None,
+    "B",
+    "H",
+    "h",
+    "L",
+    "l",
+    "f",
+    "d",
+    None,
+    None,
+    None,
+    None,
+]
+
+# Size of the packed value in bytes for different numerical types.
+# This is needed to cut chunks of band data out of PostGIS raster strings
+# when decomposing them into GDALRasters.
+# See https://docs.python.org/library/struct.html#format-characters
+STRUCT_SIZE = {
+    "b": 1,  # Signed char
+    "B": 1,  # Unsigned char
+    "?": 1,  # _Bool
+    "h": 2,  # Short
+    "H": 2,  # Unsigned short
+    "i": 4,  # Integer
+    "I": 4,  # Unsigned Integer
+    "l": 4,  # Long
+    "L": 4,  # Unsigned Long
+    "f": 4,  # Float
+    "d": 8,  # Double
+}
+
+# Pixel type specifies type of pixel values in a band. Storage flag specifies
+# whether the band data is stored as part of the datum or is to be found on the
+# server's filesystem. There are currently 11 supported pixel value types, so 4
+# bits are enough to account for all. Reserve the upper 4 bits for generic
+# flags. See
+# https://trac.osgeo.org/postgis/wiki/WKTRaster/RFC/RFC1_V0SerialFormat#Pixeltypeandstorageflag
+BANDTYPE_PIXTYPE_MASK = 0x0F
+BANDTYPE_FLAG_HASNODATA = 1 << 6
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/features.py
new file mode 100644
index 00000000..d96e939d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/features.py
@@ -0,0 +1,13 @@
+from django.contrib.gis.db.backends.base.features import BaseSpatialFeatures
+from django.db.backends.postgresql.features import (
+    DatabaseFeatures as PsycopgDatabaseFeatures,
+)
+
+
+class DatabaseFeatures(BaseSpatialFeatures, PsycopgDatabaseFeatures):
+    supports_geography = True
+    supports_3d_storage = True
+    supports_3d_functions = True
+    supports_raster = True
+    supports_empty_geometries = True
+    empty_intersection_returns_none = False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/introspection.py
new file mode 100644
index 00000000..766c0fa5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/introspection.py
@@ -0,0 +1,71 @@
+from django.contrib.gis.gdal import OGRGeomType
+from django.db.backends.postgresql.introspection import DatabaseIntrospection
+
+
+class PostGISIntrospection(DatabaseIntrospection):
+    postgis_oid_lookup = {}  # Populated when introspection is performed.
+
+    ignored_tables = DatabaseIntrospection.ignored_tables + [
+        "geography_columns",
+        "geometry_columns",
+        "raster_columns",
+        "spatial_ref_sys",
+        "raster_overviews",
+    ]
+
+    def get_field_type(self, data_type, description):
+        if not self.postgis_oid_lookup:
+            # Query PostgreSQL's pg_type table to determine the OID integers
+            # for the PostGIS data types used in reverse lookup (the integers
+            # may be different across versions). To prevent unnecessary
+            # requests upon connection initialization, the `data_types_reverse`
+            # dictionary isn't updated until introspection is performed here.
+            with self.connection.cursor() as cursor:
+                cursor.execute(
+                    "SELECT oid, typname "
+                    "FROM pg_type "
+                    "WHERE typname IN ('geometry', 'geography')"
+                )
+                self.postgis_oid_lookup = dict(cursor.fetchall())
+            self.data_types_reverse.update(
+                (oid, "GeometryField") for oid in self.postgis_oid_lookup
+            )
+        return super().get_field_type(data_type, description)
+
+    def get_geometry_type(self, table_name, description):
+        """
+        The geometry type OID used by PostGIS does not indicate the particular
+        type of field that a geometry column is (e.g., whether it's a
+        PointField or a PolygonField).  Thus, this routine queries the PostGIS
+        metadata tables to determine the geometry type.
+        """
+        with self.connection.cursor() as cursor:
+            cursor.execute(
+                """
+                SELECT t.coord_dimension, t.srid, t.type FROM (
+                    SELECT * FROM geometry_columns
+                    UNION ALL
+                    SELECT * FROM geography_columns
+                ) AS t WHERE t.f_table_name = %s AND t.f_geometry_column = %s
+            """,
+                (table_name, description.name),
+            )
+            row = cursor.fetchone()
+            if not row:
+                raise Exception(
+                    'Could not find a geometry or geography column for "%s"."%s"'
+                    % (table_name, description.name)
+                )
+            dim, srid, field_type = row
+            # OGRGeomType does not require GDAL and makes it easy to convert
+            # from OGC geom type name to Django field.
+            field_type = OGRGeomType(field_type).django
+            # Getting any GeometryField keyword arguments that are not the default.
+            field_params = {}
+            if self.postgis_oid_lookup.get(description.type_code) == "geography":
+                field_params["geography"] = True
+            if srid != 4326:
+                field_params["srid"] = srid
+            if dim != 2:
+                field_params["dim"] = dim
+        return field_type, field_params
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/models.py
new file mode 100644
index 00000000..e35ef75c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/models.py
@@ -0,0 +1,73 @@
+"""
+ The GeometryColumns and SpatialRefSys models for the PostGIS backend.
+"""
+
+from django.contrib.gis.db.backends.base.models import SpatialRefSysMixin
+from django.db import models
+
+
+class PostGISGeometryColumns(models.Model):
+    """
+    The 'geometry_columns' view from PostGIS. See the PostGIS
+    documentation at Ch. 4.3.2.
+    """
+
+    f_table_catalog = models.CharField(max_length=256)
+    f_table_schema = models.CharField(max_length=256)
+    f_table_name = models.CharField(max_length=256)
+    f_geometry_column = models.CharField(max_length=256)
+    coord_dimension = models.IntegerField()
+    srid = models.IntegerField(primary_key=True)
+    type = models.CharField(max_length=30)
+
+    class Meta:
+        app_label = "gis"
+        db_table = "geometry_columns"
+        managed = False
+
+    def __str__(self):
+        return "%s.%s - %dD %s field (SRID: %d)" % (
+            self.f_table_name,
+            self.f_geometry_column,
+            self.coord_dimension,
+            self.type,
+            self.srid,
+        )
+
+    @classmethod
+    def table_name_col(cls):
+        """
+        Return the name of the metadata column used to store the feature table
+        name.
+        """
+        return "f_table_name"
+
+    @classmethod
+    def geom_col_name(cls):
+        """
+        Return the name of the metadata column used to store the feature
+        geometry column.
+        """
+        return "f_geometry_column"
+
+
+class PostGISSpatialRefSys(models.Model, SpatialRefSysMixin):
+    """
+    The 'spatial_ref_sys' table from PostGIS. See the PostGIS
+    documentation at Ch. 4.2.1.
+    """
+
+    srid = models.IntegerField(primary_key=True)
+    auth_name = models.CharField(max_length=256)
+    auth_srid = models.IntegerField()
+    srtext = models.CharField(max_length=2048)
+    proj4text = models.CharField(max_length=2048)
+
+    class Meta:
+        app_label = "gis"
+        db_table = "spatial_ref_sys"
+        managed = False
+
+    @property
+    def wkt(self):
+        return self.srtext
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/operations.py
new file mode 100644
index 00000000..b68db377
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/operations.py
@@ -0,0 +1,423 @@
+import re
+
+from django.conf import settings
+from django.contrib.gis.db.backends.base.operations import BaseSpatialOperations
+from django.contrib.gis.db.backends.utils import SpatialOperator
+from django.contrib.gis.db.models import GeometryField, RasterField
+from django.contrib.gis.gdal import GDALRaster
+from django.contrib.gis.geos.geometry import GEOSGeometryBase
+from django.contrib.gis.geos.prototypes.io import wkb_r
+from django.contrib.gis.measure import Distance
+from django.core.exceptions import ImproperlyConfigured
+from django.db import NotSupportedError, ProgrammingError
+from django.db.backends.postgresql.operations import DatabaseOperations
+from django.db.backends.postgresql.psycopg_any import is_psycopg3
+from django.db.models import Func, Value
+from django.utils.functional import cached_property
+from django.utils.version import get_version_tuple
+
+from .adapter import PostGISAdapter
+from .models import PostGISGeometryColumns, PostGISSpatialRefSys
+from .pgraster import from_pgraster
+
+# Identifier to mark raster lookups as bilateral.
+BILATERAL = "bilateral"
+
+
+class PostGISOperator(SpatialOperator):
+    def __init__(self, geography=False, raster=False, **kwargs):
+        # Only a subset of the operators and functions are available for the
+        # geography type. Lookups that don't support geography will be cast to
+        # geometry.
+        self.geography = geography
+        # Only a subset of the operators and functions are available for the
+        # raster type. Lookups that don't support raster will be converted to
+        # polygons. If the raster argument is set to BILATERAL, then the
+        # operator cannot handle mixed geom-raster lookups.
+        self.raster = raster
+        super().__init__(**kwargs)
+
+    def as_sql(self, connection, lookup, template_params, *args):
+        template_params = self.check_raster(lookup, template_params)
+        template_params = self.check_geography(lookup, template_params)
+        return super().as_sql(connection, lookup, template_params, *args)
+
+    def check_raster(self, lookup, template_params):
+        spheroid = lookup.rhs_params and lookup.rhs_params[-1] == "spheroid"
+
+        # Check which input is a raster.
+        lhs_is_raster = lookup.lhs.field.geom_type == "RASTER"
+        rhs_is_raster = isinstance(lookup.rhs, GDALRaster)
+
+        # Look for band indices and inject them if provided.
+        if lookup.band_lhs is not None and lhs_is_raster:
+            if not self.func:
+                raise ValueError(
+                    "Band indices are not allowed for this operator, it works on bbox "
+                    "only."
+                )
+            template_params["lhs"] = "%s, %s" % (
+                template_params["lhs"],
+                lookup.band_lhs,
+            )
+
+        if lookup.band_rhs is not None and rhs_is_raster:
+            if not self.func:
+                raise ValueError(
+                    "Band indices are not allowed for this operator, it works on bbox "
+                    "only."
+                )
+            template_params["rhs"] = "%s, %s" % (
+                template_params["rhs"],
+                lookup.band_rhs,
+            )
+
+        # Convert rasters to polygons if necessary.
+        if not self.raster or spheroid:
+            # Operators without raster support.
+            if lhs_is_raster:
+                template_params["lhs"] = "ST_Polygon(%s)" % template_params["lhs"]
+            if rhs_is_raster:
+                template_params["rhs"] = "ST_Polygon(%s)" % template_params["rhs"]
+        elif self.raster == BILATERAL:
+            # Operators with raster support but don't support mixed (rast-geom)
+            # lookups.
+            if lhs_is_raster and not rhs_is_raster:
+                template_params["lhs"] = "ST_Polygon(%s)" % template_params["lhs"]
+            elif rhs_is_raster and not lhs_is_raster:
+                template_params["rhs"] = "ST_Polygon(%s)" % template_params["rhs"]
+
+        return template_params
+
+    def check_geography(self, lookup, template_params):
+        """Convert geography fields to geometry types, if necessary."""
+        if lookup.lhs.output_field.geography and not self.geography:
+            template_params["lhs"] += "::geometry"
+        return template_params
+
+
+class ST_Polygon(Func):
+    function = "ST_Polygon"
+
+    def __init__(self, expr):
+        super().__init__(expr)
+        expr = self.source_expressions[0]
+        if isinstance(expr, Value) and not expr._output_field_or_none:
+            self.source_expressions[0] = Value(
+                expr.value, output_field=RasterField(srid=expr.value.srid)
+            )
+
+    @cached_property
+    def output_field(self):
+        return GeometryField(srid=self.source_expressions[0].field.srid)
+
+
+class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
+    name = "postgis"
+    postgis = True
+    geom_func_prefix = "ST_"
+
+    Adapter = PostGISAdapter
+
+    collect = geom_func_prefix + "Collect"
+    extent = geom_func_prefix + "Extent"
+    extent3d = geom_func_prefix + "3DExtent"
+    length3d = geom_func_prefix + "3DLength"
+    makeline = geom_func_prefix + "MakeLine"
+    perimeter3d = geom_func_prefix + "3DPerimeter"
+    unionagg = geom_func_prefix + "Union"
+
+    gis_operators = {
+        "bbcontains": PostGISOperator(op="~", raster=True),
+        "bboverlaps": PostGISOperator(op="&&", geography=True, raster=True),
+        "contained": PostGISOperator(op="@", raster=True),
+        "overlaps_left": PostGISOperator(op="&<", raster=BILATERAL),
+        "overlaps_right": PostGISOperator(op="&>", raster=BILATERAL),
+        "overlaps_below": PostGISOperator(op="&<|"),
+        "overlaps_above": PostGISOperator(op="|&>"),
+        "left": PostGISOperator(op="<<"),
+        "right": PostGISOperator(op=">>"),
+        "strictly_below": PostGISOperator(op="<<|"),
+        "strictly_above": PostGISOperator(op="|>>"),
+        "same_as": PostGISOperator(op="~=", raster=BILATERAL),
+        "exact": PostGISOperator(op="~=", raster=BILATERAL),  # alias of same_as
+        "contains": PostGISOperator(func="ST_Contains", raster=BILATERAL),
+        "contains_properly": PostGISOperator(
+            func="ST_ContainsProperly", raster=BILATERAL
+        ),
+        "coveredby": PostGISOperator(
+            func="ST_CoveredBy", geography=True, raster=BILATERAL
+        ),
+        "covers": PostGISOperator(func="ST_Covers", geography=True, raster=BILATERAL),
+        "crosses": PostGISOperator(func="ST_Crosses"),
+        "disjoint": PostGISOperator(func="ST_Disjoint", raster=BILATERAL),
+        "equals": PostGISOperator(func="ST_Equals"),
+        "intersects": PostGISOperator(
+            func="ST_Intersects", geography=True, raster=BILATERAL
+        ),
+        "overlaps": PostGISOperator(func="ST_Overlaps", raster=BILATERAL),
+        "relate": PostGISOperator(func="ST_Relate"),
+        "touches": PostGISOperator(func="ST_Touches", raster=BILATERAL),
+        "within": PostGISOperator(func="ST_Within", raster=BILATERAL),
+        "dwithin": PostGISOperator(func="ST_DWithin", geography=True, raster=BILATERAL),
+    }
+
+    unsupported_functions = set()
+
+    select = "%s" if is_psycopg3 else "%s::bytea"
+
+    select_extent = None
+
+    @cached_property
+    def function_names(self):
+        function_names = {
+            "AsWKB": "ST_AsBinary",
+            "AsWKT": "ST_AsText",
+            "BoundingCircle": "ST_MinimumBoundingCircle",
+            "FromWKB": "ST_GeomFromWKB",
+            "FromWKT": "ST_GeomFromText",
+            "NumPoints": "ST_NPoints",
+        }
+        return function_names
+
+    @cached_property
+    def spatial_version(self):
+        """Determine the version of the PostGIS library."""
+        # Trying to get the PostGIS version because the function
+        # signatures will depend on the version used.  The cost
+        # here is a database query to determine the version, which
+        # can be mitigated by setting `POSTGIS_VERSION` with a 3-tuple
+        # comprising user-supplied values for the major, minor, and
+        # subminor revision of PostGIS.
+        if hasattr(settings, "POSTGIS_VERSION"):
+            version = settings.POSTGIS_VERSION
+        else:
+            # Run a basic query to check the status of the connection so we're
+            # sure we only raise the error below if the problem comes from
+            # PostGIS and not from PostgreSQL itself (see #24862).
+            self._get_postgis_func("version")
+
+            try:
+                vtup = self.postgis_version_tuple()
+            except ProgrammingError:
+                raise ImproperlyConfigured(
+                    'Cannot determine PostGIS version for database "%s" '
+                    'using command "SELECT postgis_lib_version()". '
+                    "GeoDjango requires at least PostGIS version 2.5. "
+                    "Was the database created from a spatial database "
+                    "template?" % self.connection.settings_dict["NAME"]
+                )
+            version = vtup[1:]
+        return version
+
+    def convert_extent(self, box):
+        """
+        Return a 4-tuple extent for the `Extent` aggregate by converting
+        the bounding box text returned by PostGIS (`box` argument), for
+        example: "BOX(-90.0 30.0, -85.0 40.0)".
+        """
+        if box is None:
+            return None
+        ll, ur = box[4:-1].split(",")
+        xmin, ymin = map(float, ll.split())
+        xmax, ymax = map(float, ur.split())
+        return (xmin, ymin, xmax, ymax)
+
+    def convert_extent3d(self, box3d):
+        """
+        Return a 6-tuple extent for the `Extent3D` aggregate by converting
+        the 3d bounding-box text returned by PostGIS (`box3d` argument), for
+        example: "BOX3D(-90.0 30.0 1, -85.0 40.0 2)".
+        """
+        if box3d is None:
+            return None
+        ll, ur = box3d[6:-1].split(",")
+        xmin, ymin, zmin = map(float, ll.split())
+        xmax, ymax, zmax = map(float, ur.split())
+        return (xmin, ymin, zmin, xmax, ymax, zmax)
+
+    def geo_db_type(self, f):
+        """
+        Return the database field type for the given spatial field.
+        """
+        if f.geom_type == "RASTER":
+            return "raster"
+
+        # Type-based geometries.
+        # TODO: Support 'M' extension.
+        if f.dim == 3:
+            geom_type = f.geom_type + "Z"
+        else:
+            geom_type = f.geom_type
+        if f.geography:
+            if f.srid != 4326:
+                raise NotSupportedError(
+                    "PostGIS only supports geography columns with an SRID of 4326."
+                )
+
+            return "geography(%s,%d)" % (geom_type, f.srid)
+        else:
+            return "geometry(%s,%d)" % (geom_type, f.srid)
+
+    def get_distance(self, f, dist_val, lookup_type):
+        """
+        Retrieve the distance parameters for the given geometry field,
+        distance lookup value, and the distance lookup type.
+
+        This is the most complex implementation of the spatial backends due to
+        what is supported on geodetic geometry columns vs. what's available on
+        projected geometry columns.  In addition, it has to take into account
+        the geography column type.
+        """
+        # Getting the distance parameter
+        value = dist_val[0]
+
+        # Shorthand boolean flags.
+        geodetic = f.geodetic(self.connection)
+        geography = f.geography
+
+        if isinstance(value, Distance):
+            if geography:
+                dist_param = value.m
+            elif geodetic:
+                if lookup_type == "dwithin":
+                    raise ValueError(
+                        "Only numeric values of degree units are "
+                        "allowed on geographic DWithin queries."
+                    )
+                dist_param = value.m
+            else:
+                dist_param = getattr(
+                    value, Distance.unit_attname(f.units_name(self.connection))
+                )
+        else:
+            # Assuming the distance is in the units of the field.
+            dist_param = value
+
+        return [dist_param]
+
+    def get_geom_placeholder(self, f, value, compiler):
+        """
+        Provide a proper substitution value for Geometries or rasters that are
+        not in the SRID of the field. Specifically, this routine will
+        substitute in the ST_Transform() function call.
+        """
+        transform_func = self.spatial_function_name("Transform")
+        if hasattr(value, "as_sql"):
+            if value.field.srid == f.srid:
+                placeholder = "%s"
+            else:
+                placeholder = "%s(%%s, %s)" % (transform_func, f.srid)
+            return placeholder
+
+        # Get the srid for this object
+        if value is None:
+            value_srid = None
+        else:
+            value_srid = value.srid
+
+        # Adding Transform() to the SQL placeholder if the value srid
+        # is not equal to the field srid.
+        if value_srid is None or value_srid == f.srid:
+            placeholder = "%s"
+        else:
+            placeholder = "%s(%%s, %s)" % (transform_func, f.srid)
+
+        return placeholder
+
+    def _get_postgis_func(self, func):
+        """
+        Helper routine for calling PostGIS functions and returning their result.
+        """
+        # Close out the connection.  See #9437.
+        with self.connection.temporary_connection() as cursor:
+            cursor.execute("SELECT %s()" % func)
+            return cursor.fetchone()[0]
+
+    def postgis_geos_version(self):
+        "Return the version of the GEOS library used with PostGIS."
+        return self._get_postgis_func("postgis_geos_version")
+
+    def postgis_lib_version(self):
+        "Return the version number of the PostGIS library used with PostgreSQL."
+        return self._get_postgis_func("postgis_lib_version")
+
+    def postgis_proj_version(self):
+        """Return the version of the PROJ library used with PostGIS."""
+        return self._get_postgis_func("postgis_proj_version")
+
+    def postgis_version(self):
+        "Return PostGIS version number and compile-time options."
+        return self._get_postgis_func("postgis_version")
+
+    def postgis_full_version(self):
+        "Return PostGIS version number and compile-time options."
+        return self._get_postgis_func("postgis_full_version")
+
+    def postgis_version_tuple(self):
+        """
+        Return the PostGIS version as a tuple (version string, major,
+        minor, subminor).
+        """
+        version = self.postgis_lib_version()
+        return (version,) + get_version_tuple(version)
+
+    def proj_version_tuple(self):
+        """
+        Return the version of PROJ used by PostGIS as a tuple of the
+        major, minor, and subminor release numbers.
+        """
+        proj_regex = re.compile(r"(\d+)\.(\d+)\.(\d+)")
+        proj_ver_str = self.postgis_proj_version()
+        m = proj_regex.search(proj_ver_str)
+        if m:
+            return tuple(map(int, m.groups()))
+        else:
+            raise Exception("Could not determine PROJ version from PostGIS.")
+
+    def spatial_aggregate_name(self, agg_name):
+        if agg_name == "Extent3D":
+            return self.extent3d
+        else:
+            return self.geom_func_prefix + agg_name
+
+    # Routines for getting the OGC-compliant models.
+    def geometry_columns(self):
+        return PostGISGeometryColumns
+
+    def spatial_ref_sys(self):
+        return PostGISSpatialRefSys
+
+    def parse_raster(self, value):
+        """Convert a PostGIS HEX String into a dict readable by GDALRaster."""
+        return from_pgraster(value)
+
+    def distance_expr_for_lookup(self, lhs, rhs, **kwargs):
+        return super().distance_expr_for_lookup(
+            self._normalize_distance_lookup_arg(lhs),
+            self._normalize_distance_lookup_arg(rhs),
+            **kwargs,
+        )
+
+    @staticmethod
+    def _normalize_distance_lookup_arg(arg):
+        is_raster = (
+            arg.field.geom_type == "RASTER"
+            if hasattr(arg, "field")
+            else isinstance(arg, GDALRaster)
+        )
+        return ST_Polygon(arg) if is_raster else arg
+
+    def get_geometry_converter(self, expression):
+        read = wkb_r().read
+        geom_class = expression.output_field.geom_class
+
+        def converter(value, expression, connection):
+            if isinstance(value, str):  # Coming from hex strings.
+                value = value.encode("ascii")
+            return None if value is None else GEOSGeometryBase(read(value), geom_class)
+
+        return converter
+
+    def get_area_att_for_field(self, field):
+        return "sq_m"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/pgraster.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/pgraster.py
new file mode 100644
index 00000000..c231b486
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/pgraster.py
@@ -0,0 +1,152 @@
+import struct
+
+from django.core.exceptions import ValidationError
+
+from .const import (
+    BANDTYPE_FLAG_HASNODATA,
+    BANDTYPE_PIXTYPE_MASK,
+    GDAL_TO_POSTGIS,
+    GDAL_TO_STRUCT,
+    POSTGIS_HEADER_STRUCTURE,
+    POSTGIS_TO_GDAL,
+    STRUCT_SIZE,
+)
+
+
+def pack(structure, data):
+    """
+    Pack data into hex string with little endian format.
+    """
+    return struct.pack("<" + structure, *data)
+
+
+def unpack(structure, data):
+    """
+    Unpack little endian hexlified binary string into a list.
+    """
+    return struct.unpack("<" + structure, bytes.fromhex(data))
+
+
+def chunk(data, index):
+    """
+    Split a string into two parts at the input index.
+    """
+    return data[:index], data[index:]
+
+
+def from_pgraster(data):
+    """
+    Convert a PostGIS HEX String into a dictionary.
+    """
+    if data is None:
+        return
+
+    # Split raster header from data
+    header, data = chunk(data, 122)
+    header = unpack(POSTGIS_HEADER_STRUCTURE, header)
+
+    # Parse band data
+    bands = []
+    pixeltypes = []
+    while data:
+        # Get pixel type for this band
+        pixeltype_with_flags, data = chunk(data, 2)
+        pixeltype_with_flags = unpack("B", pixeltype_with_flags)[0]
+        pixeltype = pixeltype_with_flags & BANDTYPE_PIXTYPE_MASK
+
+        # Convert datatype from PostGIS to GDAL & get pack type and size
+        pixeltype = POSTGIS_TO_GDAL[pixeltype]
+        pack_type = GDAL_TO_STRUCT[pixeltype]
+        pack_size = 2 * STRUCT_SIZE[pack_type]
+
+        # Parse band nodata value. The nodata value is part of the
+        # PGRaster string even if the nodata flag is True, so it always
+        # has to be chunked off the data string.
+        nodata, data = chunk(data, pack_size)
+        nodata = unpack(pack_type, nodata)[0]
+
+        # Chunk and unpack band data (pack size times nr of pixels)
+        band, data = chunk(data, pack_size * header[10] * header[11])
+        band_result = {"data": bytes.fromhex(band)}
+
+        # Set the nodata value if the nodata flag is set.
+        if pixeltype_with_flags & BANDTYPE_FLAG_HASNODATA:
+            band_result["nodata_value"] = nodata
+
+        # Append band data to band list
+        bands.append(band_result)
+
+        # Store pixeltype of this band in pixeltypes array
+        pixeltypes.append(pixeltype)
+
+    # Check that all bands have the same pixeltype.
+    # This is required by GDAL. PostGIS rasters could have different pixeltypes
+    # for bands of the same raster.
+    if len(set(pixeltypes)) != 1:
+        raise ValidationError("Band pixeltypes are not all equal.")
+
+    return {
+        "srid": int(header[9]),
+        "width": header[10],
+        "height": header[11],
+        "datatype": pixeltypes[0],
+        "origin": (header[5], header[6]),
+        "scale": (header[3], header[4]),
+        "skew": (header[7], header[8]),
+        "bands": bands,
+    }
+
+
+def to_pgraster(rast):
+    """
+    Convert a GDALRaster into PostGIS Raster format.
+    """
+    # Prepare the raster header data as a tuple. The first two numbers are
+    # the endianness and the PostGIS Raster Version, both are fixed by
+    # PostGIS at the moment.
+    rasterheader = (
+        1,
+        0,
+        len(rast.bands),
+        rast.scale.x,
+        rast.scale.y,
+        rast.origin.x,
+        rast.origin.y,
+        rast.skew.x,
+        rast.skew.y,
+        rast.srs.srid,
+        rast.width,
+        rast.height,
+    )
+
+    # Pack raster header.
+    result = pack(POSTGIS_HEADER_STRUCTURE, rasterheader)
+
+    for band in rast.bands:
+        # The PostGIS raster band header has exactly two elements, a 8BUI byte
+        # and the nodata value.
+        #
+        # The 8BUI stores both the PostGIS pixel data type and a nodata flag.
+        # It is composed as the datatype with BANDTYPE_FLAG_HASNODATA (1 << 6)
+        # for existing nodata values:
+        #   8BUI_VALUE = PG_PIXEL_TYPE (0-11) | BANDTYPE_FLAG_HASNODATA
+        #
+        # For example, if the byte value is 71, then the datatype is
+        #   71 & ~BANDTYPE_FLAG_HASNODATA = 7 (32BSI)
+        # and the nodata value is True.
+        structure = "B" + GDAL_TO_STRUCT[band.datatype()]
+
+        # Get band pixel type in PostGIS notation
+        pixeltype = GDAL_TO_POSTGIS[band.datatype()]
+
+        # Set the nodata flag
+        if band.nodata_value is not None:
+            pixeltype |= BANDTYPE_FLAG_HASNODATA
+
+        # Pack band header
+        bandheader = pack(structure, (pixeltype, band.nodata_value or 0))
+
+        # Add packed header and band data to result
+        result += bandheader + band.data(as_memoryview=True)
+
+    return result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/schema.py
new file mode 100644
index 00000000..5464c85c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/postgis/schema.py
@@ -0,0 +1,81 @@
+from django.db.backends.postgresql.schema import DatabaseSchemaEditor
+from django.db.models.expressions import Col, Func
+
+
+class PostGISSchemaEditor(DatabaseSchemaEditor):
+    geom_index_type = "GIST"
+    geom_index_ops_nd = "GIST_GEOMETRY_OPS_ND"
+    rast_index_template = "ST_ConvexHull(%(expressions)s)"
+
+    sql_alter_column_to_3d = (
+        "ALTER COLUMN %(column)s TYPE %(type)s USING ST_Force3D(%(column)s)::%(type)s"
+    )
+    sql_alter_column_to_2d = (
+        "ALTER COLUMN %(column)s TYPE %(type)s USING ST_Force2D(%(column)s)::%(type)s"
+    )
+
+    def geo_quote_name(self, name):
+        return self.connection.ops.geo_quote_name(name)
+
+    def _field_should_be_indexed(self, model, field):
+        if getattr(field, "spatial_index", False):
+            return True
+        return super()._field_should_be_indexed(model, field)
+
+    def _create_index_sql(self, model, *, fields=None, **kwargs):
+        if fields is None or len(fields) != 1 or not hasattr(fields[0], "geodetic"):
+            return super()._create_index_sql(model, fields=fields, **kwargs)
+
+        field = fields[0]
+        expressions = None
+        opclasses = None
+        if field.geom_type == "RASTER":
+            # For raster fields, wrap index creation SQL statement with ST_ConvexHull.
+            # Indexes on raster columns are based on the convex hull of the raster.
+            expressions = Func(Col(None, field), template=self.rast_index_template)
+            fields = None
+        elif field.dim > 2 and not field.geography:
+            # Use "nd" ops which are fast on multidimensional cases
+            opclasses = [self.geom_index_ops_nd]
+        name = kwargs.get("name")
+        if not name:
+            name = self._create_index_name(model._meta.db_table, [field.column], "_id")
+
+        return super()._create_index_sql(
+            model,
+            fields=fields,
+            name=name,
+            using=" USING %s" % self.geom_index_type,
+            opclasses=opclasses,
+            expressions=expressions,
+        )
+
+    def _alter_column_type_sql(
+        self, table, old_field, new_field, new_type, old_collation, new_collation
+    ):
+        """
+        Special case when dimension changed.
+        """
+        if not hasattr(old_field, "dim") or not hasattr(new_field, "dim"):
+            return super()._alter_column_type_sql(
+                table, old_field, new_field, new_type, old_collation, new_collation
+            )
+
+        if old_field.dim == 2 and new_field.dim == 3:
+            sql_alter = self.sql_alter_column_to_3d
+        elif old_field.dim == 3 and new_field.dim == 2:
+            sql_alter = self.sql_alter_column_to_2d
+        else:
+            sql_alter = self.sql_alter_column_type
+        return (
+            (
+                sql_alter
+                % {
+                    "column": self.quote_name(new_field.column),
+                    "type": new_type,
+                    "collation": "",
+                },
+                [],
+            ),
+            [],
+        )
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/adapter.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/adapter.py
new file mode 100644
index 00000000..91d14dc3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/adapter.py
@@ -0,0 +1,10 @@
+from django.contrib.gis.db.backends.base.adapter import WKTAdapter
+from django.db.backends.sqlite3.base import Database
+
+
+class SpatiaLiteAdapter(WKTAdapter):
+    "SQLite adapter for geometry objects."
+
+    def __conform__(self, protocol):
+        if protocol is Database.PrepareProtocol:
+            return str(self)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/base.py
new file mode 100644
index 00000000..3359a7a9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/base.py
@@ -0,0 +1,79 @@
+from ctypes.util import find_library
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.db.backends.sqlite3.base import DatabaseWrapper as SQLiteDatabaseWrapper
+
+from .client import SpatiaLiteClient
+from .features import DatabaseFeatures
+from .introspection import SpatiaLiteIntrospection
+from .operations import SpatiaLiteOperations
+from .schema import SpatialiteSchemaEditor
+
+
+class DatabaseWrapper(SQLiteDatabaseWrapper):
+    SchemaEditorClass = SpatialiteSchemaEditor
+    # Classes instantiated in __init__().
+    client_class = SpatiaLiteClient
+    features_class = DatabaseFeatures
+    introspection_class = SpatiaLiteIntrospection
+    ops_class = SpatiaLiteOperations
+
+    def __init__(self, *args, **kwargs):
+        # Trying to find the location of the SpatiaLite library.
+        # Here we are figuring out the path to the SpatiaLite library
+        # (`libspatialite`). If it's not in the system library path (e.g., it
+        # cannot be found by `ctypes.util.find_library`), then it may be set
+        # manually in the settings via the `SPATIALITE_LIBRARY_PATH` setting.
+        self.lib_spatialite_paths = [
+            name
+            for name in [
+                getattr(settings, "SPATIALITE_LIBRARY_PATH", None),
+                "mod_spatialite.so",
+                "mod_spatialite",
+                find_library("spatialite"),
+            ]
+            if name is not None
+        ]
+        super().__init__(*args, **kwargs)
+
+    def get_new_connection(self, conn_params):
+        conn = super().get_new_connection(conn_params)
+        # Enabling extension loading on the SQLite connection.
+        try:
+            conn.enable_load_extension(True)
+        except AttributeError:
+            raise ImproperlyConfigured(
+                "SpatiaLite requires SQLite to be configured to allow "
+                "extension loading."
+            )
+        # Load the SpatiaLite library extension on the connection.
+        for path in self.lib_spatialite_paths:
+            try:
+                conn.load_extension(path)
+            except Exception:
+                if getattr(settings, "SPATIALITE_LIBRARY_PATH", None):
+                    raise ImproperlyConfigured(
+                        "Unable to load the SpatiaLite library extension "
+                        "as specified in your SPATIALITE_LIBRARY_PATH setting."
+                    )
+                continue
+            else:
+                break
+        else:
+            raise ImproperlyConfigured(
+                "Unable to load the SpatiaLite library extension. "
+                "Library names tried: %s" % ", ".join(self.lib_spatialite_paths)
+            )
+        return conn
+
+    def prepare_database(self):
+        super().prepare_database()
+        # Check if spatial metadata have been initialized in the database
+        with self.cursor() as cursor:
+            cursor.execute("PRAGMA table_info(geometry_columns);")
+            if cursor.fetchall() == []:
+                if self.ops.spatial_version < (5,):
+                    cursor.execute("SELECT InitSpatialMetaData(1)")
+                else:
+                    cursor.execute("SELECT InitSpatialMetaDataFull(1)")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/client.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/client.py
new file mode 100644
index 00000000..527fe153
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/client.py
@@ -0,0 +1,5 @@
+from django.db.backends.sqlite3.client import DatabaseClient
+
+
+class SpatiaLiteClient(DatabaseClient):
+    executable_name = "spatialite"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/features.py
new file mode 100644
index 00000000..9504bb09
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/features.py
@@ -0,0 +1,26 @@
+from django.contrib.gis.db.backends.base.features import BaseSpatialFeatures
+from django.db.backends.sqlite3.features import (
+    DatabaseFeatures as SQLiteDatabaseFeatures,
+)
+from django.utils.functional import cached_property
+
+
+class DatabaseFeatures(BaseSpatialFeatures, SQLiteDatabaseFeatures):
+    can_alter_geometry_field = False  # Not implemented
+    supports_3d_storage = True
+
+    @cached_property
+    def supports_area_geodetic(self):
+        return bool(self.connection.ops.geom_lib_version())
+
+    @cached_property
+    def django_test_skips(self):
+        skips = super().django_test_skips
+        skips.update(
+            {
+                "SpatiaLite doesn't support distance lookups with Distance objects.": {
+                    "gis_tests.geogapp.tests.GeographyTest.test02_distance_lookup",
+                },
+            }
+        )
+        return skips
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/introspection.py
new file mode 100644
index 00000000..8d0003fd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/introspection.py
@@ -0,0 +1,82 @@
+from django.contrib.gis.gdal import OGRGeomType
+from django.db.backends.sqlite3.introspection import (
+    DatabaseIntrospection,
+    FlexibleFieldLookupDict,
+)
+
+
+class GeoFlexibleFieldLookupDict(FlexibleFieldLookupDict):
+    """
+    Subclass that includes updates the `base_data_types_reverse` dict
+    for geometry field types.
+    """
+
+    base_data_types_reverse = {
+        **FlexibleFieldLookupDict.base_data_types_reverse,
+        "point": "GeometryField",
+        "linestring": "GeometryField",
+        "polygon": "GeometryField",
+        "multipoint": "GeometryField",
+        "multilinestring": "GeometryField",
+        "multipolygon": "GeometryField",
+        "geometrycollection": "GeometryField",
+    }
+
+
+class SpatiaLiteIntrospection(DatabaseIntrospection):
+    data_types_reverse = GeoFlexibleFieldLookupDict()
+
+    def get_geometry_type(self, table_name, description):
+        with self.connection.cursor() as cursor:
+            # Querying the `geometry_columns` table to get additional metadata.
+            cursor.execute(
+                "SELECT coord_dimension, srid, geometry_type "
+                "FROM geometry_columns "
+                "WHERE f_table_name=%s AND f_geometry_column=%s",
+                (table_name, description.name),
+            )
+            row = cursor.fetchone()
+            if not row:
+                raise Exception(
+                    'Could not find a geometry column for "%s"."%s"'
+                    % (table_name, description.name)
+                )
+
+            # OGRGeomType does not require GDAL and makes it easy to convert
+            # from OGC geom type name to Django field.
+            ogr_type = row[2]
+            if isinstance(ogr_type, int) and ogr_type > 1000:
+                # SpatiaLite uses SFSQL 1.2 offsets 1000 (Z), 2000 (M), and
+                # 3000 (ZM) to indicate the presence of higher dimensional
+                # coordinates (M not yet supported by Django).
+                ogr_type = ogr_type % 1000 + OGRGeomType.wkb25bit
+            field_type = OGRGeomType(ogr_type).django
+
+            # Getting any GeometryField keyword arguments that are not the default.
+            dim = row[0]
+            srid = row[1]
+            field_params = {}
+            if srid != 4326:
+                field_params["srid"] = srid
+            if (isinstance(dim, str) and "Z" in dim) or dim == 3:
+                field_params["dim"] = 3
+        return field_type, field_params
+
+    def get_constraints(self, cursor, table_name):
+        constraints = super().get_constraints(cursor, table_name)
+        cursor.execute(
+            "SELECT f_geometry_column "
+            "FROM geometry_columns "
+            "WHERE f_table_name=%s AND spatial_index_enabled=1",
+            (table_name,),
+        )
+        for row in cursor.fetchall():
+            constraints["%s__spatial__index" % row[0]] = {
+                "columns": [row[0]],
+                "primary_key": False,
+                "unique": False,
+                "foreign_key": None,
+                "check": False,
+                "index": True,
+            }
+        return constraints
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/models.py
new file mode 100644
index 00000000..0f5f7b55
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/models.py
@@ -0,0 +1,71 @@
+"""
+ The GeometryColumns and SpatialRefSys models for the SpatiaLite backend.
+"""
+
+from django.contrib.gis.db.backends.base.models import SpatialRefSysMixin
+from django.db import models
+
+
+class SpatialiteGeometryColumns(models.Model):
+    """
+    The 'geometry_columns' table from SpatiaLite.
+    """
+
+    f_table_name = models.CharField(max_length=256)
+    f_geometry_column = models.CharField(max_length=256)
+    coord_dimension = models.IntegerField()
+    srid = models.IntegerField(primary_key=True)
+    spatial_index_enabled = models.IntegerField()
+    type = models.IntegerField(db_column="geometry_type")
+
+    class Meta:
+        app_label = "gis"
+        db_table = "geometry_columns"
+        managed = False
+
+    def __str__(self):
+        return "%s.%s - %dD %s field (SRID: %d)" % (
+            self.f_table_name,
+            self.f_geometry_column,
+            self.coord_dimension,
+            self.type,
+            self.srid,
+        )
+
+    @classmethod
+    def table_name_col(cls):
+        """
+        Return the name of the metadata column used to store the feature table
+        name.
+        """
+        return "f_table_name"
+
+    @classmethod
+    def geom_col_name(cls):
+        """
+        Return the name of the metadata column used to store the feature
+        geometry column.
+        """
+        return "f_geometry_column"
+
+
+class SpatialiteSpatialRefSys(models.Model, SpatialRefSysMixin):
+    """
+    The 'spatial_ref_sys' table from SpatiaLite.
+    """
+
+    srid = models.IntegerField(primary_key=True)
+    auth_name = models.CharField(max_length=256)
+    auth_srid = models.IntegerField()
+    ref_sys_name = models.CharField(max_length=256)
+    proj4text = models.CharField(max_length=2048)
+    srtext = models.CharField(max_length=2048)
+
+    class Meta:
+        app_label = "gis"
+        db_table = "spatial_ref_sys"
+        managed = False
+
+    @property
+    def wkt(self):
+        return self.srtext
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/operations.py
new file mode 100644
index 00000000..d39f7a9e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/operations.py
@@ -0,0 +1,228 @@
+"""
+SQL functions reference lists:
+https://www.gaia-gis.it/gaia-sins/spatialite-sql-4.3.0.html
+"""
+
+from django.contrib.gis.db import models
+from django.contrib.gis.db.backends.base.operations import BaseSpatialOperations
+from django.contrib.gis.db.backends.spatialite.adapter import SpatiaLiteAdapter
+from django.contrib.gis.db.backends.utils import SpatialOperator
+from django.contrib.gis.geos.geometry import GEOSGeometry, GEOSGeometryBase
+from django.contrib.gis.geos.prototypes.io import wkb_r
+from django.contrib.gis.measure import Distance
+from django.core.exceptions import ImproperlyConfigured
+from django.db.backends.sqlite3.operations import DatabaseOperations
+from django.utils.functional import cached_property
+from django.utils.version import get_version_tuple
+
+
+class SpatialiteNullCheckOperator(SpatialOperator):
+    def as_sql(self, connection, lookup, template_params, sql_params):
+        sql, params = super().as_sql(connection, lookup, template_params, sql_params)
+        return "%s > 0" % sql, params
+
+
+class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
+    name = "spatialite"
+    spatialite = True
+
+    Adapter = SpatiaLiteAdapter
+
+    collect = "Collect"
+    extent = "Extent"
+    makeline = "MakeLine"
+    unionagg = "GUnion"
+
+    from_text = "GeomFromText"
+
+    gis_operators = {
+        # Binary predicates
+        "equals": SpatialiteNullCheckOperator(func="Equals"),
+        "disjoint": SpatialiteNullCheckOperator(func="Disjoint"),
+        "touches": SpatialiteNullCheckOperator(func="Touches"),
+        "crosses": SpatialiteNullCheckOperator(func="Crosses"),
+        "within": SpatialiteNullCheckOperator(func="Within"),
+        "overlaps": SpatialiteNullCheckOperator(func="Overlaps"),
+        "contains": SpatialiteNullCheckOperator(func="Contains"),
+        "intersects": SpatialiteNullCheckOperator(func="Intersects"),
+        "relate": SpatialiteNullCheckOperator(func="Relate"),
+        "coveredby": SpatialiteNullCheckOperator(func="CoveredBy"),
+        "covers": SpatialiteNullCheckOperator(func="Covers"),
+        # Returns true if B's bounding box completely contains A's bounding box.
+        "contained": SpatialOperator(func="MbrWithin"),
+        # Returns true if A's bounding box completely contains B's bounding box.
+        "bbcontains": SpatialOperator(func="MbrContains"),
+        # Returns true if A's bounding box overlaps B's bounding box.
+        "bboverlaps": SpatialOperator(func="MbrOverlaps"),
+        # These are implemented here as synonyms for Equals
+        "same_as": SpatialiteNullCheckOperator(func="Equals"),
+        "exact": SpatialiteNullCheckOperator(func="Equals"),
+        # Distance predicates
+        "dwithin": SpatialOperator(func="PtDistWithin"),
+    }
+
+    disallowed_aggregates = (models.Extent3D,)
+
+    select = "CAST (AsEWKB(%s) AS BLOB)"
+
+    function_names = {
+        "AsWKB": "St_AsBinary",
+        "ForcePolygonCW": "ST_ForceLHR",
+        "FromWKB": "ST_GeomFromWKB",
+        "FromWKT": "ST_GeomFromText",
+        "Length": "ST_Length",
+        "LineLocatePoint": "ST_Line_Locate_Point",
+        "NumPoints": "ST_NPoints",
+        "Reverse": "ST_Reverse",
+        "Scale": "ScaleCoords",
+        "Translate": "ST_Translate",
+        "Union": "ST_Union",
+    }
+
+    @cached_property
+    def unsupported_functions(self):
+        unsupported = {"BoundingCircle", "GeometryDistance", "IsEmpty", "MemSize"}
+        if not self.geom_lib_version():
+            unsupported |= {"Azimuth", "GeoHash", "MakeValid"}
+        return unsupported
+
+    @cached_property
+    def spatial_version(self):
+        """Determine the version of the SpatiaLite library."""
+        try:
+            version = self.spatialite_version_tuple()[1:]
+        except Exception as exc:
+            raise ImproperlyConfigured(
+                'Cannot determine the SpatiaLite version for the "%s" database. '
+                "Was the SpatiaLite initialization SQL loaded on this database?"
+                % (self.connection.settings_dict["NAME"],)
+            ) from exc
+        if version < (4, 3, 0):
+            raise ImproperlyConfigured("GeoDjango supports SpatiaLite 4.3.0 and above.")
+        return version
+
+    def convert_extent(self, box):
+        """
+        Convert the polygon data received from SpatiaLite to min/max values.
+        """
+        if box is None:
+            return None
+        shell = GEOSGeometry(box).shell
+        xmin, ymin = shell[0][:2]
+        xmax, ymax = shell[2][:2]
+        return (xmin, ymin, xmax, ymax)
+
+    def geo_db_type(self, f):
+        """
+        Return None because geometry columns are added via the
+        `AddGeometryColumn` stored procedure on SpatiaLite.
+        """
+        return None
+
+    def get_distance(self, f, value, lookup_type):
+        """
+        Return the distance parameters for the given geometry field,
+        lookup value, and lookup type.
+        """
+        if not value:
+            return []
+        value = value[0]
+        if isinstance(value, Distance):
+            if f.geodetic(self.connection):
+                if lookup_type == "dwithin":
+                    raise ValueError(
+                        "Only numeric values of degree units are allowed on "
+                        "geographic DWithin queries."
+                    )
+                dist_param = value.m
+            else:
+                dist_param = getattr(
+                    value, Distance.unit_attname(f.units_name(self.connection))
+                )
+        else:
+            dist_param = value
+        return [dist_param]
+
+    def _get_spatialite_func(self, func):
+        """
+        Helper routine for calling SpatiaLite functions and returning
+        their result.
+        Any error occurring in this method should be handled by the caller.
+        """
+        cursor = self.connection._cursor()
+        try:
+            cursor.execute("SELECT %s" % func)
+            row = cursor.fetchone()
+        finally:
+            cursor.close()
+        return row[0]
+
+    def geos_version(self):
+        "Return the version of GEOS used by SpatiaLite as a string."
+        return self._get_spatialite_func("geos_version()")
+
+    def proj_version(self):
+        """Return the version of the PROJ library used by SpatiaLite."""
+        return self._get_spatialite_func("proj4_version()")
+
+    def lwgeom_version(self):
+        """Return the version of LWGEOM library used by SpatiaLite."""
+        return self._get_spatialite_func("lwgeom_version()")
+
+    def rttopo_version(self):
+        """Return the version of RTTOPO library used by SpatiaLite."""
+        return self._get_spatialite_func("rttopo_version()")
+
+    def geom_lib_version(self):
+        """
+        Return the version of the version-dependant geom library used by
+        SpatiaLite.
+        """
+        if self.spatial_version >= (5,):
+            return self.rttopo_version()
+        else:
+            return self.lwgeom_version()
+
+    def spatialite_version(self):
+        "Return the SpatiaLite library version as a string."
+        return self._get_spatialite_func("spatialite_version()")
+
+    def spatialite_version_tuple(self):
+        """
+        Return the SpatiaLite version as a tuple (version string, major,
+        minor, subminor).
+        """
+        version = self.spatialite_version()
+        return (version,) + get_version_tuple(version)
+
+    def spatial_aggregate_name(self, agg_name):
+        """
+        Return the spatial aggregate SQL template and function for the
+        given Aggregate instance.
+        """
+        agg_name = "unionagg" if agg_name.lower() == "union" else agg_name.lower()
+        return getattr(self, agg_name)
+
+    # Routines for getting the OGC-compliant models.
+    def geometry_columns(self):
+        from django.contrib.gis.db.backends.spatialite.models import (
+            SpatialiteGeometryColumns,
+        )
+
+        return SpatialiteGeometryColumns
+
+    def spatial_ref_sys(self):
+        from django.contrib.gis.db.backends.spatialite.models import (
+            SpatialiteSpatialRefSys,
+        )
+
+        return SpatialiteSpatialRefSys
+
+    def get_geometry_converter(self, expression):
+        geom_class = expression.output_field.geom_class
+        read = wkb_r().read
+
+        def converter(value, expression, connection):
+            return None if value is None else GEOSGeometryBase(read(value), geom_class)
+
+        return converter
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/schema.py
new file mode 100644
index 00000000..fb2c5690
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/spatialite/schema.py
@@ -0,0 +1,194 @@
+from django.db import DatabaseError
+from django.db.backends.sqlite3.schema import DatabaseSchemaEditor
+
+
+class SpatialiteSchemaEditor(DatabaseSchemaEditor):
+    sql_add_geometry_column = (
+        "SELECT AddGeometryColumn(%(table)s, %(column)s, %(srid)s, "
+        "%(geom_type)s, %(dim)s, %(null)s)"
+    )
+    sql_add_spatial_index = "SELECT CreateSpatialIndex(%(table)s, %(column)s)"
+    sql_drop_spatial_index = "DROP TABLE idx_%(table)s_%(column)s"
+    sql_recover_geometry_metadata = (
+        "SELECT RecoverGeometryColumn(%(table)s, %(column)s, %(srid)s, "
+        "%(geom_type)s, %(dim)s)"
+    )
+    sql_remove_geometry_metadata = "SELECT DiscardGeometryColumn(%(table)s, %(column)s)"
+    sql_discard_geometry_columns = (
+        "DELETE FROM %(geom_table)s WHERE f_table_name = %(table)s"
+    )
+    sql_update_geometry_columns = (
+        "UPDATE %(geom_table)s SET f_table_name = %(new_table)s "
+        "WHERE f_table_name = %(old_table)s"
+    )
+
+    geometry_tables = [
+        "geometry_columns",
+        "geometry_columns_auth",
+        "geometry_columns_time",
+        "geometry_columns_statistics",
+    ]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.geometry_sql = []
+
+    def geo_quote_name(self, name):
+        return self.connection.ops.geo_quote_name(name)
+
+    def column_sql(self, model, field, include_default=False):
+        from django.contrib.gis.db.models import GeometryField
+
+        if not isinstance(field, GeometryField):
+            return super().column_sql(model, field, include_default)
+
+        # Geometry columns are created by the `AddGeometryColumn` function
+        self.geometry_sql.append(
+            self.sql_add_geometry_column
+            % {
+                "table": self.geo_quote_name(model._meta.db_table),
+                "column": self.geo_quote_name(field.column),
+                "srid": field.srid,
+                "geom_type": self.geo_quote_name(field.geom_type),
+                "dim": field.dim,
+                "null": int(not field.null),
+            }
+        )
+
+        if field.spatial_index:
+            self.geometry_sql.append(
+                self.sql_add_spatial_index
+                % {
+                    "table": self.quote_name(model._meta.db_table),
+                    "column": self.quote_name(field.column),
+                }
+            )
+        return None, None
+
+    def remove_geometry_metadata(self, model, field):
+        self.execute(
+            self.sql_remove_geometry_metadata
+            % {
+                "table": self.quote_name(model._meta.db_table),
+                "column": self.quote_name(field.column),
+            }
+        )
+        self.execute(
+            self.sql_drop_spatial_index
+            % {
+                "table": model._meta.db_table,
+                "column": field.column,
+            }
+        )
+
+    def create_model(self, model):
+        super().create_model(model)
+        # Create geometry columns
+        for sql in self.geometry_sql:
+            self.execute(sql)
+        self.geometry_sql = []
+
+    def delete_model(self, model, **kwargs):
+        from django.contrib.gis.db.models import GeometryField
+
+        # Drop spatial metadata (dropping the table does not automatically remove them)
+        for field in model._meta.local_fields:
+            if isinstance(field, GeometryField):
+                self.remove_geometry_metadata(model, field)
+        # Make sure all geom stuff is gone
+        for geom_table in self.geometry_tables:
+            try:
+                self.execute(
+                    self.sql_discard_geometry_columns
+                    % {
+                        "geom_table": geom_table,
+                        "table": self.quote_name(model._meta.db_table),
+                    }
+                )
+            except DatabaseError:
+                pass
+        super().delete_model(model, **kwargs)
+
+    def add_field(self, model, field):
+        from django.contrib.gis.db.models import GeometryField
+
+        if isinstance(field, GeometryField):
+            # Populate self.geometry_sql
+            self.column_sql(model, field)
+            for sql in self.geometry_sql:
+                self.execute(sql)
+            self.geometry_sql = []
+        else:
+            super().add_field(model, field)
+
+    def remove_field(self, model, field):
+        from django.contrib.gis.db.models import GeometryField
+
+        # NOTE: If the field is a geometry field, the table is just recreated,
+        # the parent's remove_field can't be used cause it will skip the
+        # recreation if the field does not have a database type. Geometry fields
+        # do not have a db type cause they are added and removed via stored
+        # procedures.
+        if isinstance(field, GeometryField):
+            self._remake_table(model, delete_field=field)
+        else:
+            super().remove_field(model, field)
+
+    def alter_db_table(self, model, old_db_table, new_db_table):
+        from django.contrib.gis.db.models import GeometryField
+
+        if old_db_table == new_db_table or (
+            self.connection.features.ignores_table_name_case
+            and old_db_table.lower() == new_db_table.lower()
+        ):
+            return
+        # Remove geometry-ness from temp table
+        for field in model._meta.local_fields:
+            if isinstance(field, GeometryField):
+                self.execute(
+                    self.sql_remove_geometry_metadata
+                    % {
+                        "table": self.quote_name(old_db_table),
+                        "column": self.quote_name(field.column),
+                    }
+                )
+        # Alter table
+        super().alter_db_table(model, old_db_table, new_db_table)
+        # Repoint any straggler names
+        for geom_table in self.geometry_tables:
+            try:
+                self.execute(
+                    self.sql_update_geometry_columns
+                    % {
+                        "geom_table": geom_table,
+                        "old_table": self.quote_name(old_db_table),
+                        "new_table": self.quote_name(new_db_table),
+                    }
+                )
+            except DatabaseError:
+                pass
+        # Re-add geometry-ness and rename spatial index tables
+        for field in model._meta.local_fields:
+            if isinstance(field, GeometryField):
+                self.execute(
+                    self.sql_recover_geometry_metadata
+                    % {
+                        "table": self.geo_quote_name(new_db_table),
+                        "column": self.geo_quote_name(field.column),
+                        "srid": field.srid,
+                        "geom_type": self.geo_quote_name(field.geom_type),
+                        "dim": field.dim,
+                    }
+                )
+            if getattr(field, "spatial_index", False):
+                self.execute(
+                    self.sql_rename_table
+                    % {
+                        "old_table": self.quote_name(
+                            "idx_%s_%s" % (old_db_table, field.column)
+                        ),
+                        "new_table": self.quote_name(
+                            "idx_%s_%s" % (new_db_table, field.column)
+                        ),
+                    }
+                )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/utils.py
new file mode 100644
index 00000000..ffb74200
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/backends/utils.py
@@ -0,0 +1,28 @@
+"""
+A collection of utility routines and classes used by the spatial
+backends.
+"""
+
+
+class SpatialOperator:
+    """
+    Class encapsulating the behavior specific to a GIS operation (used by lookups).
+    """
+
+    sql_template = None
+
+    def __init__(self, op=None, func=None):
+        self.op = op
+        self.func = func
+
+    @property
+    def default_template(self):
+        if self.func:
+            return "%(func)s(%(lhs)s, %(rhs)s)"
+        else:
+            return "%(lhs)s %(op)s %(rhs)s"
+
+    def as_sql(self, connection, lookup, template_params, sql_params):
+        sql_template = self.sql_template or lookup.sql_template or self.default_template
+        template_params.update({"op": self.op, "func": self.func})
+        return sql_template % template_params, sql_params
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/__init__.py
new file mode 100644
index 00000000..0d5d45d2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/__init__.py
@@ -0,0 +1,30 @@
+from django.db.models import *  # NOQA isort:skip
+from django.db.models import __all__ as models_all  # isort:skip
+import django.contrib.gis.db.models.functions  # NOQA
+import django.contrib.gis.db.models.lookups  # NOQA
+from django.contrib.gis.db.models.aggregates import *  # NOQA
+from django.contrib.gis.db.models.aggregates import __all__ as aggregates_all
+from django.contrib.gis.db.models.fields import (
+    GeometryCollectionField,
+    GeometryField,
+    LineStringField,
+    MultiLineStringField,
+    MultiPointField,
+    MultiPolygonField,
+    PointField,
+    PolygonField,
+    RasterField,
+)
+
+__all__ = models_all + aggregates_all
+__all__ += [
+    "GeometryCollectionField",
+    "GeometryField",
+    "LineStringField",
+    "MultiLineStringField",
+    "MultiPointField",
+    "MultiPolygonField",
+    "PointField",
+    "PolygonField",
+    "RasterField",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/aggregates.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/aggregates.py
new file mode 100644
index 00000000..7ba2e756
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/aggregates.py
@@ -0,0 +1,98 @@
+from django.contrib.gis.db.models.fields import (
+    ExtentField,
+    GeometryCollectionField,
+    GeometryField,
+    LineStringField,
+)
+from django.db.models import Aggregate, Func, Value
+from django.utils.functional import cached_property
+
+__all__ = ["Collect", "Extent", "Extent3D", "MakeLine", "Union"]
+
+
+class GeoAggregate(Aggregate):
+    function = None
+    is_extent = False
+
+    @cached_property
+    def output_field(self):
+        return self.output_field_class(self.source_expressions[0].output_field.srid)
+
+    def as_sql(self, compiler, connection, function=None, **extra_context):
+        # this will be called again in parent, but it's needed now - before
+        # we get the spatial_aggregate_name
+        connection.ops.check_expression_support(self)
+        return super().as_sql(
+            compiler,
+            connection,
+            function=function or connection.ops.spatial_aggregate_name(self.name),
+            **extra_context,
+        )
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        if not self.is_extent:
+            tolerance = self.extra.get("tolerance") or getattr(self, "tolerance", 0.05)
+            clone = self.copy()
+            source_expressions = self.get_source_expressions()
+            if self.filter:
+                source_expressions.pop()
+            spatial_type_expr = Func(
+                *source_expressions,
+                Value(tolerance),
+                function="SDOAGGRTYPE",
+                output_field=self.output_field,
+            )
+            source_expressions = [spatial_type_expr]
+            if self.filter:
+                source_expressions.append(self.filter)
+            clone.set_source_expressions(source_expressions)
+            return clone.as_sql(compiler, connection, **extra_context)
+        return self.as_sql(compiler, connection, **extra_context)
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        c = super().resolve_expression(query, allow_joins, reuse, summarize, for_save)
+        for field in c.get_source_fields():
+            if not hasattr(field, "geom_type"):
+                raise ValueError(
+                    "Geospatial aggregates only allowed on geometry fields."
+                )
+        return c
+
+
+class Collect(GeoAggregate):
+    name = "Collect"
+    output_field_class = GeometryCollectionField
+
+
+class Extent(GeoAggregate):
+    name = "Extent"
+    is_extent = "2D"
+
+    def __init__(self, expression, **extra):
+        super().__init__(expression, output_field=ExtentField(), **extra)
+
+    def convert_value(self, value, expression, connection):
+        return connection.ops.convert_extent(value)
+
+
+class Extent3D(GeoAggregate):
+    name = "Extent3D"
+    is_extent = "3D"
+
+    def __init__(self, expression, **extra):
+        super().__init__(expression, output_field=ExtentField(), **extra)
+
+    def convert_value(self, value, expression, connection):
+        return connection.ops.convert_extent3d(value)
+
+
+class MakeLine(GeoAggregate):
+    name = "MakeLine"
+    output_field_class = LineStringField
+
+
+class Union(GeoAggregate):
+    name = "Union"
+    output_field_class = GeometryField
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/fields.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/fields.py
new file mode 100644
index 00000000..889c1cfe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/fields.py
@@ -0,0 +1,436 @@
+from collections import defaultdict, namedtuple
+
+from django.contrib.gis import forms, gdal
+from django.contrib.gis.db.models.proxy import SpatialProxy
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.geos import (
+    GeometryCollection,
+    GEOSException,
+    GEOSGeometry,
+    LineString,
+    MultiLineString,
+    MultiPoint,
+    MultiPolygon,
+    Point,
+    Polygon,
+)
+from django.core.exceptions import ImproperlyConfigured
+from django.db.models import Field
+from django.utils.translation import gettext_lazy as _
+
+# Local cache of the spatial_ref_sys table, which holds SRID data for each
+# spatial database alias. This cache exists so that the database isn't queried
+# for SRID info each time a distance query is constructed.
+_srid_cache = defaultdict(dict)
+
+
+SRIDCacheEntry = namedtuple(
+    "SRIDCacheEntry", ["units", "units_name", "spheroid", "geodetic"]
+)
+
+
+def get_srid_info(srid, connection):
+    """
+    Return the units, unit name, and spheroid WKT associated with the
+    given SRID from the `spatial_ref_sys` (or equivalent) spatial database
+    table for the given database connection.  These results are cached.
+    """
+    from django.contrib.gis.gdal import SpatialReference
+
+    global _srid_cache
+
+    try:
+        # The SpatialRefSys model for the spatial backend.
+        SpatialRefSys = connection.ops.spatial_ref_sys()
+    except NotImplementedError:
+        SpatialRefSys = None
+
+    alias, get_srs = (
+        (
+            connection.alias,
+            lambda srid: SpatialRefSys.objects.using(connection.alias)
+            .get(srid=srid)
+            .srs,
+        )
+        if SpatialRefSys
+        else (None, SpatialReference)
+    )
+    if srid not in _srid_cache[alias]:
+        srs = get_srs(srid)
+        units, units_name = srs.units
+        _srid_cache[alias][srid] = SRIDCacheEntry(
+            units=units,
+            units_name=units_name,
+            spheroid='SPHEROID["%s",%s,%s]'
+            % (srs["spheroid"], srs.semi_major, srs.inverse_flattening),
+            geodetic=srs.geographic,
+        )
+
+    return _srid_cache[alias][srid]
+
+
+class BaseSpatialField(Field):
+    """
+    The Base GIS Field.
+
+    It's used as a base class for GeometryField and RasterField. Defines
+    properties that are common to all GIS fields such as the characteristics
+    of the spatial reference system of the field.
+    """
+
+    description = _("The base GIS field.")
+    empty_strings_allowed = False
+
+    def __init__(self, verbose_name=None, srid=4326, spatial_index=True, **kwargs):
+        """
+        The initialization function for base spatial fields. Takes the following
+        as keyword arguments:
+
+        srid:
+         The spatial reference system identifier, an OGC standard.
+         Defaults to 4326 (WGS84).
+
+        spatial_index:
+         Indicates whether to create a spatial index.  Defaults to True.
+         Set this instead of 'db_index' for geographic fields since index
+         creation is different for geometry columns.
+        """
+
+        # Setting the index flag with the value of the `spatial_index` keyword.
+        self.spatial_index = spatial_index
+
+        # Setting the SRID and getting the units.  Unit information must be
+        # easily available in the field instance for distance queries.
+        self.srid = srid
+
+        # Setting the verbose_name keyword argument with the positional
+        # first parameter, so this works like normal fields.
+        kwargs["verbose_name"] = verbose_name
+
+        super().__init__(**kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        # Always include SRID for less fragility; include spatial index if it's
+        # not the default value.
+        kwargs["srid"] = self.srid
+        if self.spatial_index is not True:
+            kwargs["spatial_index"] = self.spatial_index
+        return name, path, args, kwargs
+
+    def db_type(self, connection):
+        return connection.ops.geo_db_type(self)
+
+    def spheroid(self, connection):
+        return get_srid_info(self.srid, connection).spheroid
+
+    def units(self, connection):
+        return get_srid_info(self.srid, connection).units
+
+    def units_name(self, connection):
+        return get_srid_info(self.srid, connection).units_name
+
+    def geodetic(self, connection):
+        """
+        Return true if this field's SRID corresponds with a coordinate
+        system that uses non-projected units (e.g., latitude/longitude).
+        """
+        return get_srid_info(self.srid, connection).geodetic
+
+    def get_placeholder(self, value, compiler, connection):
+        """
+        Return the placeholder for the spatial column for the
+        given value.
+        """
+        return connection.ops.get_geom_placeholder(self, value, compiler)
+
+    def get_srid(self, obj):
+        """
+        Return the default SRID for the given geometry or raster, taking into
+        account the SRID set for the field. For example, if the input geometry
+        or raster doesn't have an SRID, then the SRID of the field will be
+        returned.
+        """
+        srid = obj.srid  # SRID of given geometry.
+        if srid is None or self.srid == -1 or (srid == -1 and self.srid != -1):
+            return self.srid
+        else:
+            return srid
+
+    def get_db_prep_value(self, value, connection, *args, **kwargs):
+        if value is None:
+            return None
+        return connection.ops.Adapter(
+            super().get_db_prep_value(value, connection, *args, **kwargs),
+            **(
+                {"geography": True}
+                if self.geography and connection.features.supports_geography
+                else {}
+            ),
+        )
+
+    def get_raster_prep_value(self, value, is_candidate):
+        """
+        Return a GDALRaster if conversion is successful, otherwise return None.
+        """
+        if isinstance(value, gdal.GDALRaster):
+            return value
+        elif is_candidate:
+            try:
+                return gdal.GDALRaster(value)
+            except GDALException:
+                pass
+        elif isinstance(value, dict):
+            try:
+                return gdal.GDALRaster(value)
+            except GDALException:
+                raise ValueError(
+                    "Couldn't create spatial object from lookup value '%s'." % value
+                )
+
+    def get_prep_value(self, value):
+        obj = super().get_prep_value(value)
+        if obj is None:
+            return None
+        # When the input is not a geometry or raster, attempt to construct one
+        # from the given string input.
+        if isinstance(obj, GEOSGeometry):
+            pass
+        else:
+            # Check if input is a candidate for conversion to raster or geometry.
+            is_candidate = isinstance(obj, (bytes, str)) or hasattr(
+                obj, "__geo_interface__"
+            )
+            # Try to convert the input to raster.
+            raster = self.get_raster_prep_value(obj, is_candidate)
+
+            if raster:
+                obj = raster
+            elif is_candidate:
+                try:
+                    obj = GEOSGeometry(obj)
+                except (GEOSException, GDALException):
+                    raise ValueError(
+                        "Couldn't create spatial object from lookup value '%s'." % obj
+                    )
+            else:
+                raise ValueError(
+                    "Cannot use object with type %s for a spatial lookup parameter."
+                    % type(obj).__name__
+                )
+
+        # Assigning the SRID value.
+        obj.srid = self.get_srid(obj)
+        return obj
+
+
+class GeometryField(BaseSpatialField):
+    """
+    The base Geometry field -- maps to the OpenGIS Specification Geometry type.
+    """
+
+    description = _(
+        "The base Geometry field — maps to the OpenGIS Specification Geometry type."
+    )
+    form_class = forms.GeometryField
+    # The OpenGIS Geometry name.
+    geom_type = "GEOMETRY"
+    geom_class = None
+
+    def __init__(
+        self,
+        verbose_name=None,
+        dim=2,
+        geography=False,
+        *,
+        extent=(-180.0, -90.0, 180.0, 90.0),
+        tolerance=0.05,
+        **kwargs,
+    ):
+        """
+        The initialization function for geometry fields. In addition to the
+        parameters from BaseSpatialField, it takes the following as keyword
+        arguments:
+
+        dim:
+         The number of dimensions for this geometry.  Defaults to 2.
+
+        extent:
+         Customize the extent, in a 4-tuple of WGS 84 coordinates, for the
+         geometry field entry in the `USER_SDO_GEOM_METADATA` table.  Defaults
+         to (-180.0, -90.0, 180.0, 90.0).
+
+        tolerance:
+         Define the tolerance, in meters, to use for the geometry field
+         entry in the `USER_SDO_GEOM_METADATA` table.  Defaults to 0.05.
+        """
+        # Setting the dimension of the geometry field.
+        self.dim = dim
+
+        # Is this a geography rather than a geometry column?
+        self.geography = geography
+
+        # Oracle-specific private attributes for creating the entry in
+        # `USER_SDO_GEOM_METADATA`
+        self._extent = extent
+        self._tolerance = tolerance
+
+        super().__init__(verbose_name=verbose_name, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        # Include kwargs if they're not the default values.
+        if self.dim != 2:
+            kwargs["dim"] = self.dim
+        if self.geography is not False:
+            kwargs["geography"] = self.geography
+        if self._extent != (-180.0, -90.0, 180.0, 90.0):
+            kwargs["extent"] = self._extent
+        if self._tolerance != 0.05:
+            kwargs["tolerance"] = self._tolerance
+        return name, path, args, kwargs
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        super().contribute_to_class(cls, name, **kwargs)
+
+        # Setup for lazy-instantiated Geometry object.
+        setattr(
+            cls,
+            self.attname,
+            SpatialProxy(self.geom_class or GEOSGeometry, self, load_func=GEOSGeometry),
+        )
+
+    def formfield(self, **kwargs):
+        defaults = {
+            "form_class": self.form_class,
+            "geom_type": self.geom_type,
+            "srid": self.srid,
+            **kwargs,
+        }
+        if self.dim > 2 and not getattr(
+            defaults["form_class"].widget, "supports_3d", False
+        ):
+            defaults.setdefault("widget", forms.Textarea)
+        return super().formfield(**defaults)
+
+    def select_format(self, compiler, sql, params):
+        """
+        Return the selection format string, depending on the requirements
+        of the spatial backend. For example, Oracle and MySQL require custom
+        selection formats in order to retrieve geometries in OGC WKB.
+        """
+        if not compiler.query.subquery:
+            return compiler.connection.ops.select % sql, params
+        return sql, params
+
+
+# The OpenGIS Geometry Type Fields
+class PointField(GeometryField):
+    geom_type = "POINT"
+    geom_class = Point
+    form_class = forms.PointField
+    description = _("Point")
+
+
+class LineStringField(GeometryField):
+    geom_type = "LINESTRING"
+    geom_class = LineString
+    form_class = forms.LineStringField
+    description = _("Line string")
+
+
+class PolygonField(GeometryField):
+    geom_type = "POLYGON"
+    geom_class = Polygon
+    form_class = forms.PolygonField
+    description = _("Polygon")
+
+
+class MultiPointField(GeometryField):
+    geom_type = "MULTIPOINT"
+    geom_class = MultiPoint
+    form_class = forms.MultiPointField
+    description = _("Multi-point")
+
+
+class MultiLineStringField(GeometryField):
+    geom_type = "MULTILINESTRING"
+    geom_class = MultiLineString
+    form_class = forms.MultiLineStringField
+    description = _("Multi-line string")
+
+
+class MultiPolygonField(GeometryField):
+    geom_type = "MULTIPOLYGON"
+    geom_class = MultiPolygon
+    form_class = forms.MultiPolygonField
+    description = _("Multi polygon")
+
+
+class GeometryCollectionField(GeometryField):
+    geom_type = "GEOMETRYCOLLECTION"
+    geom_class = GeometryCollection
+    form_class = forms.GeometryCollectionField
+    description = _("Geometry collection")
+
+
+class ExtentField(Field):
+    "Used as a return value from an extent aggregate"
+
+    description = _("Extent Aggregate Field")
+
+    def get_internal_type(self):
+        return "ExtentField"
+
+    def select_format(self, compiler, sql, params):
+        select = compiler.connection.ops.select_extent
+        return select % sql if select else sql, params
+
+
+class RasterField(BaseSpatialField):
+    """
+    Raster field for GeoDjango -- evaluates into GDALRaster objects.
+    """
+
+    description = _("Raster Field")
+    geom_type = "RASTER"
+    geography = False
+
+    def _check_connection(self, connection):
+        # Make sure raster fields are used only on backends with raster support.
+        if (
+            not connection.features.gis_enabled
+            or not connection.features.supports_raster
+        ):
+            raise ImproperlyConfigured(
+                "Raster fields require backends with raster support."
+            )
+
+    def db_type(self, connection):
+        self._check_connection(connection)
+        return super().db_type(connection)
+
+    def from_db_value(self, value, expression, connection):
+        return connection.ops.parse_raster(value)
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        super().contribute_to_class(cls, name, **kwargs)
+        # Setup for lazy-instantiated Raster object. For large querysets, the
+        # instantiation of all GDALRasters can potentially be expensive. This
+        # delays the instantiation of the objects to the moment of evaluation
+        # of the raster attribute.
+        setattr(cls, self.attname, SpatialProxy(gdal.GDALRaster, self))
+
+    def get_transform(self, name):
+        from django.contrib.gis.db.models.lookups import RasterBandTransform
+
+        try:
+            band_index = int(name)
+            return type(
+                "SpecificRasterBandTransform",
+                (RasterBandTransform,),
+                {"band_index": band_index},
+            )
+        except ValueError:
+            pass
+        return super().get_transform(name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/functions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/functions.py
new file mode 100644
index 00000000..e0f4a057
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/functions.py
@@ -0,0 +1,570 @@
+from decimal import Decimal
+
+from django.contrib.gis.db.models.fields import BaseSpatialField, GeometryField
+from django.contrib.gis.db.models.sql import AreaField, DistanceField
+from django.contrib.gis.geos import GEOSGeometry
+from django.core.exceptions import FieldError
+from django.db import NotSupportedError
+from django.db.models import (
+    BinaryField,
+    BooleanField,
+    FloatField,
+    Func,
+    IntegerField,
+    TextField,
+    Transform,
+    Value,
+)
+from django.db.models.functions import Cast
+from django.utils.functional import cached_property
+
+NUMERIC_TYPES = (int, float, Decimal)
+
+
+class GeoFuncMixin:
+    function = None
+    geom_param_pos = (0,)
+
+    def __init__(self, *expressions, **extra):
+        super().__init__(*expressions, **extra)
+
+        # Ensure that value expressions are geometric.
+        for pos in self.geom_param_pos:
+            expr = self.source_expressions[pos]
+            if not isinstance(expr, Value):
+                continue
+            try:
+                output_field = expr.output_field
+            except FieldError:
+                output_field = None
+            geom = expr.value
+            if (
+                not isinstance(geom, GEOSGeometry)
+                or output_field
+                and not isinstance(output_field, GeometryField)
+            ):
+                raise TypeError(
+                    "%s function requires a geometric argument in position %d."
+                    % (self.name, pos + 1)
+                )
+            if not geom.srid and not output_field:
+                raise ValueError("SRID is required for all geometries.")
+            if not output_field:
+                self.source_expressions[pos] = Value(
+                    geom, output_field=GeometryField(srid=geom.srid)
+                )
+
+    @property
+    def name(self):
+        return self.__class__.__name__
+
+    @cached_property
+    def geo_field(self):
+        return self.source_expressions[self.geom_param_pos[0]].field
+
+    def as_sql(self, compiler, connection, function=None, **extra_context):
+        if self.function is None and function is None:
+            function = connection.ops.spatial_function_name(self.name)
+        return super().as_sql(compiler, connection, function=function, **extra_context)
+
+    def resolve_expression(self, *args, **kwargs):
+        res = super().resolve_expression(*args, **kwargs)
+        if not self.geom_param_pos:
+            return res
+
+        # Ensure that expressions are geometric.
+        source_fields = res.get_source_fields()
+        for pos in self.geom_param_pos:
+            field = source_fields[pos]
+            if not isinstance(field, GeometryField):
+                raise TypeError(
+                    "%s function requires a GeometryField in position %s, got %s."
+                    % (
+                        self.name,
+                        pos + 1,
+                        type(field).__name__,
+                    )
+                )
+
+        base_srid = res.geo_field.srid
+        for pos in self.geom_param_pos[1:]:
+            expr = res.source_expressions[pos]
+            expr_srid = expr.output_field.srid
+            if expr_srid != base_srid:
+                # Automatic SRID conversion so objects are comparable.
+                res.source_expressions[pos] = Transform(
+                    expr, base_srid
+                ).resolve_expression(*args, **kwargs)
+        return res
+
+    def _handle_param(self, value, param_name="", check_types=None):
+        if not hasattr(value, "resolve_expression"):
+            if check_types and not isinstance(value, check_types):
+                raise TypeError(
+                    "The %s parameter has the wrong type: should be %s."
+                    % (param_name, check_types)
+                )
+        return value
+
+
+class GeoFunc(GeoFuncMixin, Func):
+    pass
+
+
+class GeomOutputGeoFunc(GeoFunc):
+    @cached_property
+    def output_field(self):
+        return GeometryField(srid=self.geo_field.srid)
+
+
+class SQLiteDecimalToFloatMixin:
+    """
+    By default, Decimal values are converted to str by the SQLite backend, which
+    is not acceptable by the GIS functions expecting numeric values.
+    """
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        copy = self.copy()
+        copy.set_source_expressions(
+            [
+                (
+                    Value(float(expr.value))
+                    if hasattr(expr, "value") and isinstance(expr.value, Decimal)
+                    else expr
+                )
+                for expr in copy.get_source_expressions()
+            ]
+        )
+        return copy.as_sql(compiler, connection, **extra_context)
+
+
+class OracleToleranceMixin:
+    tolerance = 0.05
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        tolerance = Value(
+            self._handle_param(
+                self.extra.get("tolerance", self.tolerance),
+                "tolerance",
+                NUMERIC_TYPES,
+            )
+        )
+        clone = self.copy()
+        clone.set_source_expressions([*self.get_source_expressions(), tolerance])
+        return clone.as_sql(compiler, connection, **extra_context)
+
+
+class Area(OracleToleranceMixin, GeoFunc):
+    arity = 1
+
+    @cached_property
+    def output_field(self):
+        return AreaField(self.geo_field)
+
+    def as_sql(self, compiler, connection, **extra_context):
+        if not connection.features.supports_area_geodetic and self.geo_field.geodetic(
+            connection
+        ):
+            raise NotSupportedError(
+                "Area on geodetic coordinate systems not supported."
+            )
+        return super().as_sql(compiler, connection, **extra_context)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        if self.geo_field.geodetic(connection):
+            extra_context["template"] = "%(function)s(%(expressions)s, %(spheroid)d)"
+            extra_context["spheroid"] = True
+        return self.as_sql(compiler, connection, **extra_context)
+
+
+class Azimuth(GeoFunc):
+    output_field = FloatField()
+    arity = 2
+    geom_param_pos = (0, 1)
+
+
+class AsGeoJSON(GeoFunc):
+    output_field = TextField()
+
+    def __init__(self, expression, bbox=False, crs=False, precision=8, **extra):
+        expressions = [expression]
+        if precision is not None:
+            expressions.append(self._handle_param(precision, "precision", int))
+        options = 0
+        if crs and bbox:
+            options = 3
+        elif bbox:
+            options = 1
+        elif crs:
+            options = 2
+        expressions.append(options)
+        super().__init__(*expressions, **extra)
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        source_expressions = self.get_source_expressions()
+        clone = self.copy()
+        clone.set_source_expressions(source_expressions[:1])
+        return super(AsGeoJSON, clone).as_sql(compiler, connection, **extra_context)
+
+
+class AsGML(GeoFunc):
+    geom_param_pos = (1,)
+    output_field = TextField()
+
+    def __init__(self, expression, version=2, precision=8, **extra):
+        expressions = [version, expression]
+        if precision is not None:
+            expressions.append(self._handle_param(precision, "precision", int))
+        super().__init__(*expressions, **extra)
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        source_expressions = self.get_source_expressions()
+        version = source_expressions[0]
+        clone = self.copy()
+        clone.set_source_expressions([source_expressions[1]])
+        extra_context["function"] = (
+            "SDO_UTIL.TO_GML311GEOMETRY"
+            if version.value == 3
+            else "SDO_UTIL.TO_GMLGEOMETRY"
+        )
+        return super(AsGML, clone).as_sql(compiler, connection, **extra_context)
+
+
+class AsKML(GeoFunc):
+    output_field = TextField()
+
+    def __init__(self, expression, precision=8, **extra):
+        expressions = [expression]
+        if precision is not None:
+            expressions.append(self._handle_param(precision, "precision", int))
+        super().__init__(*expressions, **extra)
+
+
+class AsSVG(GeoFunc):
+    output_field = TextField()
+
+    def __init__(self, expression, relative=False, precision=8, **extra):
+        relative = (
+            relative if hasattr(relative, "resolve_expression") else int(relative)
+        )
+        expressions = [
+            expression,
+            relative,
+            self._handle_param(precision, "precision", int),
+        ]
+        super().__init__(*expressions, **extra)
+
+
+class AsWKB(GeoFunc):
+    output_field = BinaryField()
+    arity = 1
+
+
+class AsWKT(GeoFunc):
+    output_field = TextField()
+    arity = 1
+
+
+class BoundingCircle(OracleToleranceMixin, GeomOutputGeoFunc):
+    def __init__(self, expression, num_seg=48, **extra):
+        super().__init__(expression, num_seg, **extra)
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        clone = self.copy()
+        clone.set_source_expressions([self.get_source_expressions()[0]])
+        return super(BoundingCircle, clone).as_oracle(
+            compiler, connection, **extra_context
+        )
+
+
+class Centroid(OracleToleranceMixin, GeomOutputGeoFunc):
+    arity = 1
+
+
+class ClosestPoint(GeomOutputGeoFunc):
+    arity = 2
+    geom_param_pos = (0, 1)
+
+
+class Difference(OracleToleranceMixin, GeomOutputGeoFunc):
+    arity = 2
+    geom_param_pos = (0, 1)
+
+
+class DistanceResultMixin:
+    @cached_property
+    def output_field(self):
+        return DistanceField(self.geo_field)
+
+    def source_is_geography(self):
+        return self.geo_field.geography and self.geo_field.srid == 4326
+
+
+class Distance(DistanceResultMixin, OracleToleranceMixin, GeoFunc):
+    geom_param_pos = (0, 1)
+    spheroid = None
+
+    def __init__(self, expr1, expr2, spheroid=None, **extra):
+        expressions = [expr1, expr2]
+        if spheroid is not None:
+            self.spheroid = self._handle_param(spheroid, "spheroid", bool)
+        super().__init__(*expressions, **extra)
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        clone = self.copy()
+        function = None
+        expr2 = clone.source_expressions[1]
+        geography = self.source_is_geography()
+        if expr2.output_field.geography != geography:
+            if isinstance(expr2, Value):
+                expr2.output_field.geography = geography
+            else:
+                clone.source_expressions[1] = Cast(
+                    expr2,
+                    GeometryField(srid=expr2.output_field.srid, geography=geography),
+                )
+
+        if not geography and self.geo_field.geodetic(connection):
+            # Geometry fields with geodetic (lon/lat) coordinates need special
+            # distance functions.
+            if self.spheroid:
+                # DistanceSpheroid is more accurate and resource intensive than
+                # DistanceSphere.
+                function = connection.ops.spatial_function_name("DistanceSpheroid")
+                # Replace boolean param by the real spheroid of the base field
+                clone.source_expressions.append(
+                    Value(self.geo_field.spheroid(connection))
+                )
+            else:
+                function = connection.ops.spatial_function_name("DistanceSphere")
+        return super(Distance, clone).as_sql(
+            compiler, connection, function=function, **extra_context
+        )
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        if self.geo_field.geodetic(connection):
+            # SpatiaLite returns NULL instead of zero on geodetic coordinates
+            extra_context["template"] = (
+                "COALESCE(%(function)s(%(expressions)s, %(spheroid)s), 0)"
+            )
+            extra_context["spheroid"] = int(bool(self.spheroid))
+        return super().as_sql(compiler, connection, **extra_context)
+
+
+class Envelope(GeomOutputGeoFunc):
+    arity = 1
+
+
+class ForcePolygonCW(GeomOutputGeoFunc):
+    arity = 1
+
+
+class FromWKB(GeoFunc):
+    output_field = GeometryField(srid=0)
+    arity = 1
+    geom_param_pos = ()
+
+
+class FromWKT(GeoFunc):
+    output_field = GeometryField(srid=0)
+    arity = 1
+    geom_param_pos = ()
+
+
+class GeoHash(GeoFunc):
+    output_field = TextField()
+
+    def __init__(self, expression, precision=None, **extra):
+        expressions = [expression]
+        if precision is not None:
+            expressions.append(self._handle_param(precision, "precision", int))
+        super().__init__(*expressions, **extra)
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        clone = self.copy()
+        # If no precision is provided, set it to the maximum.
+        if len(clone.source_expressions) < 2:
+            clone.source_expressions.append(Value(100))
+        return clone.as_sql(compiler, connection, **extra_context)
+
+
+class GeometryDistance(GeoFunc):
+    output_field = FloatField()
+    arity = 2
+    function = ""
+    arg_joiner = " <-> "
+    geom_param_pos = (0, 1)
+
+
+class Intersection(OracleToleranceMixin, GeomOutputGeoFunc):
+    arity = 2
+    geom_param_pos = (0, 1)
+
+
+@BaseSpatialField.register_lookup
+class IsEmpty(GeoFuncMixin, Transform):
+    lookup_name = "isempty"
+    output_field = BooleanField()
+
+
+@BaseSpatialField.register_lookup
+class IsValid(OracleToleranceMixin, GeoFuncMixin, Transform):
+    lookup_name = "isvalid"
+    output_field = BooleanField()
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        sql, params = super().as_oracle(compiler, connection, **extra_context)
+        return "CASE %s WHEN 'TRUE' THEN 1 ELSE 0 END" % sql, params
+
+
+class Length(DistanceResultMixin, OracleToleranceMixin, GeoFunc):
+    def __init__(self, expr1, spheroid=True, **extra):
+        self.spheroid = spheroid
+        super().__init__(expr1, **extra)
+
+    def as_sql(self, compiler, connection, **extra_context):
+        if (
+            self.geo_field.geodetic(connection)
+            and not connection.features.supports_length_geodetic
+        ):
+            raise NotSupportedError(
+                "This backend doesn't support Length on geodetic fields"
+            )
+        return super().as_sql(compiler, connection, **extra_context)
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        clone = self.copy()
+        function = None
+        if self.source_is_geography():
+            clone.source_expressions.append(Value(self.spheroid))
+        elif self.geo_field.geodetic(connection):
+            # Geometry fields with geodetic (lon/lat) coordinates need length_spheroid
+            function = connection.ops.spatial_function_name("LengthSpheroid")
+            clone.source_expressions.append(Value(self.geo_field.spheroid(connection)))
+        else:
+            dim = min(f.dim for f in self.get_source_fields() if f)
+            if dim > 2:
+                function = connection.ops.length3d
+        return super(Length, clone).as_sql(
+            compiler, connection, function=function, **extra_context
+        )
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        function = None
+        if self.geo_field.geodetic(connection):
+            function = "GeodesicLength" if self.spheroid else "GreatCircleLength"
+        return super().as_sql(compiler, connection, function=function, **extra_context)
+
+
+class LineLocatePoint(GeoFunc):
+    output_field = FloatField()
+    arity = 2
+    geom_param_pos = (0, 1)
+
+
+class MakeValid(GeomOutputGeoFunc):
+    pass
+
+
+class MemSize(GeoFunc):
+    output_field = IntegerField()
+    arity = 1
+
+
+class NumGeometries(GeoFunc):
+    output_field = IntegerField()
+    arity = 1
+
+
+class NumPoints(GeoFunc):
+    output_field = IntegerField()
+    arity = 1
+
+
+class Perimeter(DistanceResultMixin, OracleToleranceMixin, GeoFunc):
+    arity = 1
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        function = None
+        if self.geo_field.geodetic(connection) and not self.source_is_geography():
+            raise NotSupportedError(
+                "ST_Perimeter cannot use a non-projected non-geography field."
+            )
+        dim = min(f.dim for f in self.get_source_fields())
+        if dim > 2:
+            function = connection.ops.perimeter3d
+        return super().as_sql(compiler, connection, function=function, **extra_context)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        if self.geo_field.geodetic(connection):
+            raise NotSupportedError("Perimeter cannot use a non-projected field.")
+        return super().as_sql(compiler, connection, **extra_context)
+
+
+class PointOnSurface(OracleToleranceMixin, GeomOutputGeoFunc):
+    arity = 1
+
+
+class Reverse(GeoFunc):
+    arity = 1
+
+
+class Scale(SQLiteDecimalToFloatMixin, GeomOutputGeoFunc):
+    def __init__(self, expression, x, y, z=0.0, **extra):
+        expressions = [
+            expression,
+            self._handle_param(x, "x", NUMERIC_TYPES),
+            self._handle_param(y, "y", NUMERIC_TYPES),
+        ]
+        if z != 0.0:
+            expressions.append(self._handle_param(z, "z", NUMERIC_TYPES))
+        super().__init__(*expressions, **extra)
+
+
+class SnapToGrid(SQLiteDecimalToFloatMixin, GeomOutputGeoFunc):
+    def __init__(self, expression, *args, **extra):
+        nargs = len(args)
+        expressions = [expression]
+        if nargs in (1, 2):
+            expressions.extend(
+                [self._handle_param(arg, "", NUMERIC_TYPES) for arg in args]
+            )
+        elif nargs == 4:
+            # Reverse origin and size param ordering
+            expressions += [
+                *(self._handle_param(arg, "", NUMERIC_TYPES) for arg in args[2:]),
+                *(self._handle_param(arg, "", NUMERIC_TYPES) for arg in args[0:2]),
+            ]
+        else:
+            raise ValueError("Must provide 1, 2, or 4 arguments to `SnapToGrid`.")
+        super().__init__(*expressions, **extra)
+
+
+class SymDifference(OracleToleranceMixin, GeomOutputGeoFunc):
+    arity = 2
+    geom_param_pos = (0, 1)
+
+
+class Transform(GeomOutputGeoFunc):
+    def __init__(self, expression, srid, **extra):
+        expressions = [
+            expression,
+            self._handle_param(srid, "srid", int),
+        ]
+        if "output_field" not in extra:
+            extra["output_field"] = GeometryField(srid=srid)
+        super().__init__(*expressions, **extra)
+
+
+class Translate(Scale):
+    def as_sqlite(self, compiler, connection, **extra_context):
+        clone = self.copy()
+        if len(self.source_expressions) < 4:
+            # Always provide the z parameter for ST_Translate
+            clone.source_expressions.append(Value(0))
+        return super(Translate, clone).as_sqlite(compiler, connection, **extra_context)
+
+
+class Union(OracleToleranceMixin, GeomOutputGeoFunc):
+    arity = 2
+    geom_param_pos = (0, 1)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/lookups.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/lookups.py
new file mode 100644
index 00000000..b9686fa6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/lookups.py
@@ -0,0 +1,395 @@
+from django.contrib.gis.db.models.fields import BaseSpatialField
+from django.contrib.gis.measure import Distance
+from django.db import NotSupportedError
+from django.db.models import Expression, Lookup, Transform
+from django.db.models.sql.query import Query
+from django.utils.regex_helper import _lazy_re_compile
+
+
+class RasterBandTransform(Transform):
+    def as_sql(self, compiler, connection):
+        return compiler.compile(self.lhs)
+
+
+class GISLookup(Lookup):
+    sql_template = None
+    transform_func = None
+    distance = False
+    band_rhs = None
+    band_lhs = None
+
+    def __init__(self, lhs, rhs):
+        rhs, *self.rhs_params = rhs if isinstance(rhs, (list, tuple)) else [rhs]
+        super().__init__(lhs, rhs)
+        self.template_params = {}
+        self.process_rhs_params()
+
+    def process_rhs_params(self):
+        if self.rhs_params:
+            # Check if a band index was passed in the query argument.
+            if len(self.rhs_params) == (2 if self.lookup_name == "relate" else 1):
+                self.process_band_indices()
+            elif len(self.rhs_params) > 1:
+                raise ValueError("Tuple too long for lookup %s." % self.lookup_name)
+        elif isinstance(self.lhs, RasterBandTransform):
+            self.process_band_indices(only_lhs=True)
+
+    def process_band_indices(self, only_lhs=False):
+        """
+        Extract the lhs band index from the band transform class and the rhs
+        band index from the input tuple.
+        """
+        # PostGIS band indices are 1-based, so the band index needs to be
+        # increased to be consistent with the GDALRaster band indices.
+        if only_lhs:
+            self.band_rhs = 1
+            self.band_lhs = self.lhs.band_index + 1
+            return
+
+        if isinstance(self.lhs, RasterBandTransform):
+            self.band_lhs = self.lhs.band_index + 1
+        else:
+            self.band_lhs = 1
+
+        self.band_rhs, *self.rhs_params = self.rhs_params
+
+    def get_db_prep_lookup(self, value, connection):
+        # get_db_prep_lookup is called by process_rhs from super class
+        return ("%s", [connection.ops.Adapter(value)])
+
+    def process_rhs(self, compiler, connection):
+        if isinstance(self.rhs, Query):
+            # If rhs is some Query, don't touch it.
+            return super().process_rhs(compiler, connection)
+        if isinstance(self.rhs, Expression):
+            self.rhs = self.rhs.resolve_expression(compiler.query)
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        placeholder = connection.ops.get_geom_placeholder(
+            self.lhs.output_field, self.rhs, compiler
+        )
+        return placeholder % rhs, rhs_params
+
+    def get_rhs_op(self, connection, rhs):
+        # Unlike BuiltinLookup, the GIS get_rhs_op() implementation should return
+        # an object (SpatialOperator) with an as_sql() method to allow for more
+        # complex computations (where the lhs part can be mixed in).
+        return connection.ops.gis_operators[self.lookup_name]
+
+    def as_sql(self, compiler, connection):
+        lhs_sql, lhs_params = self.process_lhs(compiler, connection)
+        rhs_sql, rhs_params = self.process_rhs(compiler, connection)
+        sql_params = (*lhs_params, *rhs_params)
+
+        template_params = {
+            "lhs": lhs_sql,
+            "rhs": rhs_sql,
+            "value": "%s",
+            **self.template_params,
+        }
+        rhs_op = self.get_rhs_op(connection, rhs_sql)
+        return rhs_op.as_sql(connection, self, template_params, sql_params)
+
+
+# ------------------
+# Geometry operators
+# ------------------
+
+
+@BaseSpatialField.register_lookup
+class OverlapsLeftLookup(GISLookup):
+    """
+    The overlaps_left operator returns true if A's bounding box overlaps or is to the
+    left of B's bounding box.
+    """
+
+    lookup_name = "overlaps_left"
+
+
+@BaseSpatialField.register_lookup
+class OverlapsRightLookup(GISLookup):
+    """
+    The 'overlaps_right' operator returns true if A's bounding box overlaps or is to the
+    right of B's bounding box.
+    """
+
+    lookup_name = "overlaps_right"
+
+
+@BaseSpatialField.register_lookup
+class OverlapsBelowLookup(GISLookup):
+    """
+    The 'overlaps_below' operator returns true if A's bounding box overlaps or is below
+    B's bounding box.
+    """
+
+    lookup_name = "overlaps_below"
+
+
+@BaseSpatialField.register_lookup
+class OverlapsAboveLookup(GISLookup):
+    """
+    The 'overlaps_above' operator returns true if A's bounding box overlaps or is above
+    B's bounding box.
+    """
+
+    lookup_name = "overlaps_above"
+
+
+@BaseSpatialField.register_lookup
+class LeftLookup(GISLookup):
+    """
+    The 'left' operator returns true if A's bounding box is strictly to the left
+    of B's bounding box.
+    """
+
+    lookup_name = "left"
+
+
+@BaseSpatialField.register_lookup
+class RightLookup(GISLookup):
+    """
+    The 'right' operator returns true if A's bounding box is strictly to the right
+    of B's bounding box.
+    """
+
+    lookup_name = "right"
+
+
+@BaseSpatialField.register_lookup
+class StrictlyBelowLookup(GISLookup):
+    """
+    The 'strictly_below' operator returns true if A's bounding box is strictly below B's
+    bounding box.
+    """
+
+    lookup_name = "strictly_below"
+
+
+@BaseSpatialField.register_lookup
+class StrictlyAboveLookup(GISLookup):
+    """
+    The 'strictly_above' operator returns true if A's bounding box is strictly above B's
+    bounding box.
+    """
+
+    lookup_name = "strictly_above"
+
+
+@BaseSpatialField.register_lookup
+class SameAsLookup(GISLookup):
+    """
+    The "~=" operator is the "same as" operator. It tests actual geometric
+    equality of two features. So if A and B are the same feature,
+    vertex-by-vertex, the operator returns true.
+    """
+
+    lookup_name = "same_as"
+
+
+BaseSpatialField.register_lookup(SameAsLookup, "exact")
+
+
+@BaseSpatialField.register_lookup
+class BBContainsLookup(GISLookup):
+    """
+    The 'bbcontains' operator returns true if A's bounding box completely contains
+    by B's bounding box.
+    """
+
+    lookup_name = "bbcontains"
+
+
+@BaseSpatialField.register_lookup
+class BBOverlapsLookup(GISLookup):
+    """
+    The 'bboverlaps' operator returns true if A's bounding box overlaps B's
+    bounding box.
+    """
+
+    lookup_name = "bboverlaps"
+
+
+@BaseSpatialField.register_lookup
+class ContainedLookup(GISLookup):
+    """
+    The 'contained' operator returns true if A's bounding box is completely contained
+    by B's bounding box.
+    """
+
+    lookup_name = "contained"
+
+
+# ------------------
+# Geometry functions
+# ------------------
+
+
+@BaseSpatialField.register_lookup
+class ContainsLookup(GISLookup):
+    lookup_name = "contains"
+
+
+@BaseSpatialField.register_lookup
+class ContainsProperlyLookup(GISLookup):
+    lookup_name = "contains_properly"
+
+
+@BaseSpatialField.register_lookup
+class CoveredByLookup(GISLookup):
+    lookup_name = "coveredby"
+
+
+@BaseSpatialField.register_lookup
+class CoversLookup(GISLookup):
+    lookup_name = "covers"
+
+
+@BaseSpatialField.register_lookup
+class CrossesLookup(GISLookup):
+    lookup_name = "crosses"
+
+
+@BaseSpatialField.register_lookup
+class DisjointLookup(GISLookup):
+    lookup_name = "disjoint"
+
+
+@BaseSpatialField.register_lookup
+class EqualsLookup(GISLookup):
+    lookup_name = "equals"
+
+
+@BaseSpatialField.register_lookup
+class IntersectsLookup(GISLookup):
+    lookup_name = "intersects"
+
+
+@BaseSpatialField.register_lookup
+class OverlapsLookup(GISLookup):
+    lookup_name = "overlaps"
+
+
+@BaseSpatialField.register_lookup
+class RelateLookup(GISLookup):
+    lookup_name = "relate"
+    sql_template = "%(func)s(%(lhs)s, %(rhs)s, %%s)"
+    pattern_regex = _lazy_re_compile(r"^[012TF*]{9}$")
+
+    def process_rhs(self, compiler, connection):
+        # Check the pattern argument
+        pattern = self.rhs_params[0]
+        backend_op = connection.ops.gis_operators[self.lookup_name]
+        if hasattr(backend_op, "check_relate_argument"):
+            backend_op.check_relate_argument(pattern)
+        elif not isinstance(pattern, str) or not self.pattern_regex.match(pattern):
+            raise ValueError('Invalid intersection matrix pattern "%s".' % pattern)
+        sql, params = super().process_rhs(compiler, connection)
+        return sql, params + [pattern]
+
+
+@BaseSpatialField.register_lookup
+class TouchesLookup(GISLookup):
+    lookup_name = "touches"
+
+
+@BaseSpatialField.register_lookup
+class WithinLookup(GISLookup):
+    lookup_name = "within"
+
+
+class DistanceLookupBase(GISLookup):
+    distance = True
+    sql_template = "%(func)s(%(lhs)s, %(rhs)s) %(op)s %(value)s"
+
+    def process_rhs_params(self):
+        if not 1 <= len(self.rhs_params) <= 3:
+            raise ValueError(
+                "2, 3, or 4-element tuple required for '%s' lookup." % self.lookup_name
+            )
+        elif len(self.rhs_params) == 3 and self.rhs_params[2] != "spheroid":
+            raise ValueError(
+                "For 4-element tuples the last argument must be the 'spheroid' "
+                "directive."
+            )
+
+        # Check if the second parameter is a band index.
+        if len(self.rhs_params) > 1 and self.rhs_params[1] != "spheroid":
+            self.process_band_indices()
+
+    def process_distance(self, compiler, connection):
+        dist_param = self.rhs_params[0]
+        return (
+            compiler.compile(dist_param.resolve_expression(compiler.query))
+            if hasattr(dist_param, "resolve_expression")
+            else (
+                "%s",
+                connection.ops.get_distance(
+                    self.lhs.output_field, self.rhs_params, self.lookup_name
+                ),
+            )
+        )
+
+
+@BaseSpatialField.register_lookup
+class DWithinLookup(DistanceLookupBase):
+    lookup_name = "dwithin"
+    sql_template = "%(func)s(%(lhs)s, %(rhs)s, %(value)s)"
+
+    def process_distance(self, compiler, connection):
+        dist_param = self.rhs_params[0]
+        if (
+            not connection.features.supports_dwithin_distance_expr
+            and hasattr(dist_param, "resolve_expression")
+            and not isinstance(dist_param, Distance)
+        ):
+            raise NotSupportedError(
+                "This backend does not support expressions for specifying "
+                "distance in the dwithin lookup."
+            )
+        return super().process_distance(compiler, connection)
+
+    def process_rhs(self, compiler, connection):
+        dist_sql, dist_params = self.process_distance(compiler, connection)
+        self.template_params["value"] = dist_sql
+        rhs_sql, params = super().process_rhs(compiler, connection)
+        return rhs_sql, params + dist_params
+
+
+class DistanceLookupFromFunction(DistanceLookupBase):
+    def as_sql(self, compiler, connection):
+        spheroid = (
+            len(self.rhs_params) == 2 and self.rhs_params[-1] == "spheroid"
+        ) or None
+        distance_expr = connection.ops.distance_expr_for_lookup(
+            self.lhs, self.rhs, spheroid=spheroid
+        )
+        sql, params = compiler.compile(distance_expr.resolve_expression(compiler.query))
+        dist_sql, dist_params = self.process_distance(compiler, connection)
+        return (
+            "%(func)s %(op)s %(dist)s" % {"func": sql, "op": self.op, "dist": dist_sql},
+            params + dist_params,
+        )
+
+
+@BaseSpatialField.register_lookup
+class DistanceGTLookup(DistanceLookupFromFunction):
+    lookup_name = "distance_gt"
+    op = ">"
+
+
+@BaseSpatialField.register_lookup
+class DistanceGTELookup(DistanceLookupFromFunction):
+    lookup_name = "distance_gte"
+    op = ">="
+
+
+@BaseSpatialField.register_lookup
+class DistanceLTLookup(DistanceLookupFromFunction):
+    lookup_name = "distance_lt"
+    op = "<"
+
+
+@BaseSpatialField.register_lookup
+class DistanceLTELookup(DistanceLookupFromFunction):
+    lookup_name = "distance_lte"
+    op = "<="
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/proxy.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/proxy.py
new file mode 100644
index 00000000..b415e147
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/proxy.py
@@ -0,0 +1,84 @@
+"""
+The SpatialProxy object allows for lazy-geometries and lazy-rasters. The proxy
+uses Python descriptors for instantiating and setting Geometry or Raster
+objects corresponding to geographic model fields.
+
+Thanks to Robert Coup for providing this functionality (see #4322).
+"""
+
+from django.db.models.query_utils import DeferredAttribute
+
+
+class SpatialProxy(DeferredAttribute):
+    def __init__(self, klass, field, load_func=None):
+        """
+        Initialize on the given Geometry or Raster class (not an instance)
+        and the corresponding field.
+        """
+        self._klass = klass
+        self._load_func = load_func or klass
+        super().__init__(field)
+
+    def __get__(self, instance, cls=None):
+        """
+        Retrieve the geometry or raster, initializing it using the
+        corresponding class specified during initialization and the value of
+        the field. Currently, GEOS or OGR geometries as well as GDALRasters are
+        supported.
+        """
+        if instance is None:
+            # Accessed on a class, not an instance
+            return self
+
+        # Getting the value of the field.
+        try:
+            geo_value = instance.__dict__[self.field.attname]
+        except KeyError:
+            geo_value = super().__get__(instance, cls)
+
+        if isinstance(geo_value, self._klass):
+            geo_obj = geo_value
+        elif (geo_value is None) or (geo_value == ""):
+            geo_obj = None
+        else:
+            # Otherwise, a geometry or raster object is built using the field's
+            # contents, and the model's corresponding attribute is set.
+            geo_obj = self._load_func(geo_value)
+            setattr(instance, self.field.attname, geo_obj)
+        return geo_obj
+
+    def __set__(self, instance, value):
+        """
+        Retrieve the proxied geometry or raster with the corresponding class
+        specified during initialization.
+
+        To set geometries, use values of None, HEXEWKB, or WKT.
+        To set rasters, use JSON or dict values.
+        """
+        # The geographic type of the field.
+        gtype = self.field.geom_type
+
+        if gtype == "RASTER" and (
+            value is None or isinstance(value, (str, dict, self._klass))
+        ):
+            # For raster fields, ensure input is None or a string, dict, or
+            # raster instance.
+            pass
+        elif isinstance(value, self._klass):
+            # The geometry type must match that of the field -- unless the
+            # general GeometryField is used.
+            if value.srid is None:
+                # Assigning the field SRID if the geometry has no SRID.
+                value.srid = self.field.srid
+        elif value is None or isinstance(value, (str, memoryview)):
+            # Set geometries with None, WKT, HEX, or WKB
+            pass
+        else:
+            raise TypeError(
+                "Cannot set %s SpatialProxy (%s) with value of type: %s"
+                % (instance.__class__.__name__, gtype, type(value))
+            )
+
+        # Setting the objects dictionary with the value, and returning.
+        instance.__dict__[self.field.attname] = value
+        return value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/__init__.py
new file mode 100644
index 00000000..1376e8d7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/__init__.py
@@ -0,0 +1,6 @@
+from django.contrib.gis.db.models.sql.conversion import AreaField, DistanceField
+
+__all__ = [
+    "AreaField",
+    "DistanceField",
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/conversion.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/conversion.py
new file mode 100644
index 00000000..7802b2dd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/db/models/sql/conversion.py
@@ -0,0 +1,74 @@
+"""
+This module holds simple classes to convert geospatial values from the
+database.
+"""
+
+from decimal import Decimal
+
+from django.contrib.gis.measure import Area, Distance
+from django.db import models
+
+
+class AreaField(models.FloatField):
+    "Wrapper for Area values."
+
+    def __init__(self, geo_field):
+        super().__init__()
+        self.geo_field = geo_field
+
+    def get_prep_value(self, value):
+        if not isinstance(value, Area):
+            raise ValueError("AreaField only accepts Area measurement objects.")
+        return value
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if value is None:
+            return
+        area_att = connection.ops.get_area_att_for_field(self.geo_field)
+        return getattr(value, area_att) if area_att else value
+
+    def from_db_value(self, value, expression, connection):
+        if value is None:
+            return
+        # If the database returns a Decimal, convert it to a float as expected
+        # by the Python geometric objects.
+        if isinstance(value, Decimal):
+            value = float(value)
+        # If the units are known, convert value into area measure.
+        area_att = connection.ops.get_area_att_for_field(self.geo_field)
+        return Area(**{area_att: value}) if area_att else value
+
+    def get_internal_type(self):
+        return "AreaField"
+
+
+class DistanceField(models.FloatField):
+    "Wrapper for Distance values."
+
+    def __init__(self, geo_field):
+        super().__init__()
+        self.geo_field = geo_field
+
+    def get_prep_value(self, value):
+        if isinstance(value, Distance):
+            return value
+        return super().get_prep_value(value)
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if not isinstance(value, Distance):
+            return value
+        distance_att = connection.ops.get_distance_att_for_field(self.geo_field)
+        if not distance_att:
+            raise ValueError(
+                "Distance measure is supplied, but units are unknown for result."
+            )
+        return getattr(value, distance_att)
+
+    def from_db_value(self, value, expression, connection):
+        if value is None:
+            return
+        distance_att = connection.ops.get_distance_att_for_field(self.geo_field)
+        return Distance(**{distance_att: value}) if distance_att else value
+
+    def get_internal_type(self):
+        return "DistanceField"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/feeds.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/feeds.py
new file mode 100644
index 00000000..ebd45118
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/feeds.py
@@ -0,0 +1,151 @@
+from django.contrib.syndication.views import Feed as BaseFeed
+from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
+
+
+class GeoFeedMixin:
+    """
+    This mixin provides the necessary routines for SyndicationFeed subclasses
+    to produce simple GeoRSS or W3C Geo elements.
+    """
+
+    def georss_coords(self, coords):
+        """
+        In GeoRSS coordinate pairs are ordered by lat/lon and separated by
+        a single white space. Given a tuple of coordinates, return a string
+        GeoRSS representation.
+        """
+        return " ".join("%f %f" % (coord[1], coord[0]) for coord in coords)
+
+    def add_georss_point(self, handler, coords, w3c_geo=False):
+        """
+        Adds a GeoRSS point with the given coords using the given handler.
+        Handles the differences between simple GeoRSS and the more popular
+        W3C Geo specification.
+        """
+        if w3c_geo:
+            lon, lat = coords[:2]
+            handler.addQuickElement("geo:lat", "%f" % lat)
+            handler.addQuickElement("geo:lon", "%f" % lon)
+        else:
+            handler.addQuickElement("georss:point", self.georss_coords((coords,)))
+
+    def add_georss_element(self, handler, item, w3c_geo=False):
+        """Add a GeoRSS XML element using the given item and handler."""
+        # Getting the Geometry object.
+        geom = item.get("geometry")
+        if geom is not None:
+            if isinstance(geom, (list, tuple)):
+                # Special case if a tuple/list was passed in.  The tuple may be
+                # a point or a box
+                box_coords = None
+                if isinstance(geom[0], (list, tuple)):
+                    # Box: ( (X0, Y0), (X1, Y1) )
+                    if len(geom) == 2:
+                        box_coords = geom
+                    else:
+                        raise ValueError("Only should be two sets of coordinates.")
+                else:
+                    if len(geom) == 2:
+                        # Point: (X, Y)
+                        self.add_georss_point(handler, geom, w3c_geo=w3c_geo)
+                    elif len(geom) == 4:
+                        # Box: (X0, Y0, X1, Y1)
+                        box_coords = (geom[:2], geom[2:])
+                    else:
+                        raise ValueError("Only should be 2 or 4 numeric elements.")
+                # If a GeoRSS box was given via tuple.
+                if box_coords is not None:
+                    if w3c_geo:
+                        raise ValueError(
+                            "Cannot use simple GeoRSS box in W3C Geo feeds."
+                        )
+                    handler.addQuickElement(
+                        "georss:box", self.georss_coords(box_coords)
+                    )
+            else:
+                # Getting the lowercase geometry type.
+                gtype = str(geom.geom_type).lower()
+                if gtype == "point":
+                    self.add_georss_point(handler, geom.coords, w3c_geo=w3c_geo)
+                else:
+                    if w3c_geo:
+                        raise ValueError("W3C Geo only supports Point geometries.")
+                    # For formatting consistent w/the GeoRSS simple standard:
+                    # http://georss.org/1.0#simple
+                    if gtype in ("linestring", "linearring"):
+                        handler.addQuickElement(
+                            "georss:line", self.georss_coords(geom.coords)
+                        )
+                    elif gtype in ("polygon",):
+                        # Only support the exterior ring.
+                        handler.addQuickElement(
+                            "georss:polygon", self.georss_coords(geom[0].coords)
+                        )
+                    else:
+                        raise ValueError(
+                            'Geometry type "%s" not supported.' % geom.geom_type
+                        )
+
+
+# ### SyndicationFeed subclasses ###
+class GeoRSSFeed(Rss201rev2Feed, GeoFeedMixin):
+    def rss_attributes(self):
+        attrs = super().rss_attributes()
+        attrs["xmlns:georss"] = "http://www.georss.org/georss"
+        return attrs
+
+    def add_item_elements(self, handler, item):
+        super().add_item_elements(handler, item)
+        self.add_georss_element(handler, item)
+
+    def add_root_elements(self, handler):
+        super().add_root_elements(handler)
+        self.add_georss_element(handler, self.feed)
+
+
+class GeoAtom1Feed(Atom1Feed, GeoFeedMixin):
+    def root_attributes(self):
+        attrs = super().root_attributes()
+        attrs["xmlns:georss"] = "http://www.georss.org/georss"
+        return attrs
+
+    def add_item_elements(self, handler, item):
+        super().add_item_elements(handler, item)
+        self.add_georss_element(handler, item)
+
+    def add_root_elements(self, handler):
+        super().add_root_elements(handler)
+        self.add_georss_element(handler, self.feed)
+
+
+class W3CGeoFeed(Rss201rev2Feed, GeoFeedMixin):
+    def rss_attributes(self):
+        attrs = super().rss_attributes()
+        attrs["xmlns:geo"] = "http://www.w3.org/2003/01/geo/wgs84_pos#"
+        return attrs
+
+    def add_item_elements(self, handler, item):
+        super().add_item_elements(handler, item)
+        self.add_georss_element(handler, item, w3c_geo=True)
+
+    def add_root_elements(self, handler):
+        super().add_root_elements(handler)
+        self.add_georss_element(handler, self.feed, w3c_geo=True)
+
+
+# ### Feed subclass ###
+class Feed(BaseFeed):
+    """
+    This is a subclass of the `Feed` from `django.contrib.syndication`.
+    This allows users to define a `geometry(obj)` and/or `item_geometry(item)`
+    methods on their own subclasses so that geo-referenced information may
+    placed in the feed.
+    """
+
+    feed_type = GeoRSSFeed
+
+    def feed_extra_kwargs(self, obj):
+        return {"geometry": self._get_dynamic_attr("geometry", obj)}
+
+    def item_extra_kwargs(self, item):
+        return {"geometry": self._get_dynamic_attr("item_geometry", item)}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/__init__.py
new file mode 100644
index 00000000..c07720b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/__init__.py
@@ -0,0 +1,13 @@
+from django.forms import *  # NOQA
+
+from .fields import (  # NOQA
+    GeometryCollectionField,
+    GeometryField,
+    LineStringField,
+    MultiLineStringField,
+    MultiPointField,
+    MultiPolygonField,
+    PointField,
+    PolygonField,
+)
+from .widgets import BaseGeometryWidget, OpenLayersWidget, OSMWidget  # NOQA
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/__pycache__/widgets.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/__pycache__/widgets.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/fields.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/fields.py
new file mode 100644
index 00000000..1fd31530
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/fields.py
@@ -0,0 +1,144 @@
+from django import forms
+from django.contrib.gis.gdal import GDALException
+from django.contrib.gis.geos import GEOSException, GEOSGeometry
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext_lazy as _
+
+from .widgets import OpenLayersWidget
+
+
+class GeometryField(forms.Field):
+    """
+    This is the basic form field for a Geometry.  Any textual input that is
+    accepted by GEOSGeometry is accepted by this form.  By default,
+    this includes WKT, HEXEWKB, WKB (in a buffer), and GeoJSON.
+    """
+
+    widget = OpenLayersWidget
+    geom_type = "GEOMETRY"
+
+    default_error_messages = {
+        "required": _("No geometry value provided."),
+        "invalid_geom": _("Invalid geometry value."),
+        "invalid_geom_type": _("Invalid geometry type."),
+        "transform_error": _(
+            "An error occurred when transforming the geometry "
+            "to the SRID of the geometry form field."
+        ),
+    }
+
+    def __init__(self, *, srid=None, geom_type=None, **kwargs):
+        self.srid = srid
+        if geom_type is not None:
+            self.geom_type = geom_type
+        super().__init__(**kwargs)
+        self.widget.attrs["geom_type"] = self.geom_type
+
+    def to_python(self, value):
+        """Transform the value to a Geometry object."""
+        if value in self.empty_values:
+            return None
+
+        if not isinstance(value, GEOSGeometry):
+            if hasattr(self.widget, "deserialize"):
+                try:
+                    value = self.widget.deserialize(value)
+                except GDALException:
+                    value = None
+            else:
+                try:
+                    value = GEOSGeometry(value)
+                except (GEOSException, ValueError, TypeError):
+                    value = None
+            if value is None:
+                raise ValidationError(
+                    self.error_messages["invalid_geom"], code="invalid_geom"
+                )
+
+        # Try to set the srid
+        if not value.srid:
+            try:
+                value.srid = self.widget.map_srid
+            except AttributeError:
+                if self.srid:
+                    value.srid = self.srid
+        return value
+
+    def clean(self, value):
+        """
+        Validate that the input value can be converted to a Geometry object
+        and return it. Raise a ValidationError if the value cannot be
+        instantiated as a Geometry.
+        """
+        geom = super().clean(value)
+        if geom is None:
+            return geom
+
+        # Ensuring that the geometry is of the correct type (indicated
+        # using the OGC string label).
+        if (
+            str(geom.geom_type).upper() != self.geom_type
+            and self.geom_type != "GEOMETRY"
+        ):
+            raise ValidationError(
+                self.error_messages["invalid_geom_type"], code="invalid_geom_type"
+            )
+
+        # Transforming the geometry if the SRID was set.
+        if self.srid and self.srid != -1 and self.srid != geom.srid:
+            try:
+                geom.transform(self.srid)
+            except GEOSException:
+                raise ValidationError(
+                    self.error_messages["transform_error"], code="transform_error"
+                )
+
+        return geom
+
+    def has_changed(self, initial, data):
+        """Compare geographic value of data with its initial value."""
+
+        try:
+            data = self.to_python(data)
+            initial = self.to_python(initial)
+        except ValidationError:
+            return True
+
+        # Only do a geographic comparison if both values are available
+        if initial and data:
+            data.transform(initial.srid)
+            # If the initial value was not added by the browser, the geometry
+            # provided may be slightly different, the first time it is saved.
+            # The comparison is done with a very low tolerance.
+            return not initial.equals_exact(data, tolerance=0.000001)
+        else:
+            # Check for change of state of existence
+            return bool(initial) != bool(data)
+
+
+class GeometryCollectionField(GeometryField):
+    geom_type = "GEOMETRYCOLLECTION"
+
+
+class PointField(GeometryField):
+    geom_type = "POINT"
+
+
+class MultiPointField(GeometryField):
+    geom_type = "MULTIPOINT"
+
+
+class LineStringField(GeometryField):
+    geom_type = "LINESTRING"
+
+
+class MultiLineStringField(GeometryField):
+    geom_type = "MULTILINESTRING"
+
+
+class PolygonField(GeometryField):
+    geom_type = "POLYGON"
+
+
+class MultiPolygonField(GeometryField):
+    geom_type = "MULTIPOLYGON"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/widgets.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/widgets.py
new file mode 100644
index 00000000..49ca4879
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/forms/widgets.py
@@ -0,0 +1,140 @@
+import logging
+import warnings
+
+from django.conf import settings
+from django.contrib.gis import gdal
+from django.contrib.gis.geometry import json_regex
+from django.contrib.gis.geos import GEOSException, GEOSGeometry
+from django.forms.widgets import Widget
+from django.utils import translation
+from django.utils.deprecation import RemovedInDjango51Warning
+
+logger = logging.getLogger("django.contrib.gis")
+
+
+class BaseGeometryWidget(Widget):
+    """
+    The base class for rich geometry widgets.
+    Render a map using the WKT of the geometry.
+    """
+
+    geom_type = "GEOMETRY"
+    map_srid = 4326
+    map_width = 600  # RemovedInDjango51Warning
+    map_height = 400  # RemovedInDjango51Warning
+    display_raw = False
+
+    supports_3d = False
+    template_name = ""  # set on subclasses
+
+    def __init__(self, attrs=None):
+        self.attrs = {}
+        for key in ("geom_type", "map_srid", "map_width", "map_height", "display_raw"):
+            self.attrs[key] = getattr(self, key)
+        if (
+            (attrs and ("map_width" in attrs or "map_height" in attrs))
+            or self.map_width != 600
+            or self.map_height != 400
+        ):
+            warnings.warn(
+                "The map_height and map_width widget attributes are deprecated. Please "
+                "use CSS to size map widgets.",
+                category=RemovedInDjango51Warning,
+                stacklevel=2,
+            )
+        if attrs:
+            self.attrs.update(attrs)
+
+    def serialize(self, value):
+        return value.wkt if value else ""
+
+    def deserialize(self, value):
+        try:
+            return GEOSGeometry(value)
+        except (GEOSException, ValueError, TypeError) as err:
+            logger.error("Error creating geometry from value '%s' (%s)", value, err)
+        return None
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        # If a string reaches here (via a validation error on another
+        # field) then just reconstruct the Geometry.
+        if value and isinstance(value, str):
+            value = self.deserialize(value)
+
+        if value:
+            # Check that srid of value and map match
+            if value.srid and value.srid != self.map_srid:
+                try:
+                    ogr = value.ogr
+                    ogr.transform(self.map_srid)
+                    value = ogr
+                except gdal.GDALException as err:
+                    logger.error(
+                        "Error transforming geometry from srid '%s' to srid '%s' (%s)",
+                        value.srid,
+                        self.map_srid,
+                        err,
+                    )
+
+        geom_type = gdal.OGRGeomType(self.attrs["geom_type"]).name
+        context.update(
+            self.build_attrs(
+                self.attrs,
+                {
+                    "name": name,
+                    "module": "geodjango_%s" % name.replace("-", "_"),  # JS-safe
+                    "serialized": self.serialize(value),
+                    "geom_type": "Geometry" if geom_type == "Unknown" else geom_type,
+                    "STATIC_URL": settings.STATIC_URL,
+                    "LANGUAGE_BIDI": translation.get_language_bidi(),
+                    **(attrs or {}),
+                },
+            )
+        )
+        return context
+
+
+class OpenLayersWidget(BaseGeometryWidget):
+    template_name = "gis/openlayers.html"
+    map_srid = 3857
+
+    class Media:
+        css = {
+            "all": (
+                "https://cdn.jsdelivr.net/npm/ol@v7.2.2/ol.css",
+                "gis/css/ol3.css",
+            )
+        }
+        js = (
+            "https://cdn.jsdelivr.net/npm/ol@v7.2.2/dist/ol.js",
+            "gis/js/OLMapWidget.js",
+        )
+
+    def serialize(self, value):
+        return value.json if value else ""
+
+    def deserialize(self, value):
+        geom = super().deserialize(value)
+        # GeoJSON assumes WGS84 (4326). Use the map's SRID instead.
+        if geom and json_regex.match(value) and self.map_srid != 4326:
+            geom.srid = self.map_srid
+        return geom
+
+
+class OSMWidget(OpenLayersWidget):
+    """
+    An OpenLayers/OpenStreetMap-based widget.
+    """
+
+    template_name = "gis/openlayers-osm.html"
+    default_lon = 5
+    default_lat = 47
+    default_zoom = 12
+
+    def __init__(self, attrs=None):
+        super().__init__()
+        for key in ("default_lon", "default_lat", "default_zoom"):
+            self.attrs[key] = getattr(self, key)
+        if attrs:
+            self.attrs.update(attrs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/LICENSE b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/LICENSE
new file mode 100644
index 00000000..30d410ec
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/LICENSE
@@ -0,0 +1,28 @@
+Copyright (c) 2007-2009, Justin Bronn
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    3. Neither the name of OGRGeometry nor the names of its contributors may be used
+       to endorse or promote products derived from this software without
+       specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/__init__.py
new file mode 100644
index 00000000..e63808d3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/__init__.py
@@ -0,0 +1,59 @@
+"""
+ This module houses ctypes interfaces for GDAL objects.  The following GDAL
+ objects are supported:
+
+ CoordTransform: Used for coordinate transformations from one spatial
+  reference system to another.
+
+ Driver: Wraps an OGR data source driver.
+
+ DataSource: Wrapper for the OGR data source object, supports
+  OGR-supported data sources.
+
+ Envelope: A ctypes structure for bounding boxes (GDAL library
+  not required).
+
+ OGRGeometry: Object for accessing OGR Geometry functionality.
+
+ OGRGeomType: A class for representing the different OGR Geometry
+  types (GDAL library not required).
+
+ SpatialReference: Represents OSR Spatial Reference objects.
+
+ The GDAL library will be imported from the system path using the default
+ library name for the current OS. The default library path may be overridden
+ by setting `GDAL_LIBRARY_PATH` in your settings with the path to the GDAL C
+ library on your system.
+"""
+
+from django.contrib.gis.gdal.datasource import DataSource
+from django.contrib.gis.gdal.driver import Driver
+from django.contrib.gis.gdal.envelope import Envelope
+from django.contrib.gis.gdal.error import GDALException, SRSException, check_err
+from django.contrib.gis.gdal.geometries import OGRGeometry
+from django.contrib.gis.gdal.geomtype import OGRGeomType
+from django.contrib.gis.gdal.libgdal import (
+    GDAL_VERSION,
+    gdal_full_version,
+    gdal_version,
+)
+from django.contrib.gis.gdal.raster.source import GDALRaster
+from django.contrib.gis.gdal.srs import AxisOrder, CoordTransform, SpatialReference
+
+__all__ = (
+    "AxisOrder",
+    "Driver",
+    "DataSource",
+    "CoordTransform",
+    "Envelope",
+    "GDALException",
+    "GDALRaster",
+    "GDAL_VERSION",
+    "OGRGeometry",
+    "OGRGeomType",
+    "SpatialReference",
+    "SRSException",
+    "check_err",
+    "gdal_version",
+    "gdal_full_version",
+)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/base.py
new file mode 100644
index 00000000..74a2689f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/base.py
@@ -0,0 +1,6 @@
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.ptr import CPointerBase
+
+
+class GDALBase(CPointerBase):
+    null_ptr_exception_class = GDALException
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/datasource.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/datasource.py
new file mode 100644
index 00000000..c7ff48b8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/datasource.py
@@ -0,0 +1,127 @@
+"""
+ DataSource is a wrapper for the OGR Data Source object, which provides
+ an interface for reading vector geometry data from many different file
+ formats (including ESRI shapefiles).
+
+ When instantiating a DataSource object, use the filename of a
+ GDAL-supported data source.  For example, a SHP file or a
+ TIGER/Line file from the government.
+
+ The ds_driver keyword is used internally when a ctypes pointer
+ is passed in directly.
+
+ Example:
+  ds = DataSource('/home/foo/bar.shp')
+  for layer in ds:
+      for feature in layer:
+          # Getting the geometry for the feature.
+          g = feature.geom
+
+          # Getting the 'description' field for the feature.
+          desc = feature['description']
+
+          # We can also increment through all of the fields
+          #  attached to this feature.
+          for field in feature:
+              # Get the name of the field (e.g. 'description')
+              nm = field.name
+
+              # Get the type (integer) of the field, e.g. 0 => OFTInteger
+              t = field.type
+
+              # Returns the value the field; OFTIntegers return ints,
+              #  OFTReal returns floats, all else returns string.
+              val = field.value
+"""
+
+from ctypes import byref
+from pathlib import Path
+
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.driver import Driver
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.gdal.layer import Layer
+from django.contrib.gis.gdal.prototypes import ds as capi
+from django.utils.encoding import force_bytes, force_str
+
+
+# For more information, see the OGR C API documentation:
+#  https://gdal.org/api/vector_c_api.html
+#
+# The OGR_DS_* routines are relevant here.
+class DataSource(GDALBase):
+    "Wraps an OGR Data Source object."
+    destructor = capi.destroy_ds
+
+    def __init__(self, ds_input, ds_driver=False, write=False, encoding="utf-8"):
+        # The write flag.
+        if write:
+            self._write = 1
+        else:
+            self._write = 0
+        # See also https://gdal.org/development/rfc/rfc23_ogr_unicode.html
+        self.encoding = encoding
+
+        Driver.ensure_registered()
+
+        if isinstance(ds_input, (str, Path)):
+            # The data source driver is a void pointer.
+            ds_driver = Driver.ptr_type()
+            try:
+                # OGROpen will auto-detect the data source type.
+                ds = capi.open_ds(force_bytes(ds_input), self._write, byref(ds_driver))
+            except GDALException:
+                # Making the error message more clear rather than something
+                # like "Invalid pointer returned from OGROpen".
+                raise GDALException('Could not open the datasource at "%s"' % ds_input)
+        elif isinstance(ds_input, self.ptr_type) and isinstance(
+            ds_driver, Driver.ptr_type
+        ):
+            ds = ds_input
+        else:
+            raise GDALException("Invalid data source input type: %s" % type(ds_input))
+
+        if ds:
+            self.ptr = ds
+            self.driver = Driver(ds_driver)
+        else:
+            # Raise an exception if the returned pointer is NULL
+            raise GDALException('Invalid data source file "%s"' % ds_input)
+
+    def __getitem__(self, index):
+        "Allows use of the index [] operator to get a layer at the index."
+        if isinstance(index, str):
+            try:
+                layer = capi.get_layer_by_name(self.ptr, force_bytes(index))
+            except GDALException:
+                raise IndexError("Invalid OGR layer name given: %s." % index)
+        elif isinstance(index, int):
+            if 0 <= index < self.layer_count:
+                layer = capi.get_layer(self._ptr, index)
+            else:
+                raise IndexError(
+                    "Index out of range when accessing layers in a datasource: %s."
+                    % index
+                )
+        else:
+            raise TypeError("Invalid index type: %s" % type(index))
+        return Layer(layer, self)
+
+    def __len__(self):
+        "Return the number of layers within the data source."
+        return self.layer_count
+
+    def __str__(self):
+        "Return OGR GetName and Driver for the Data Source."
+        return "%s (%s)" % (self.name, self.driver)
+
+    @property
+    def layer_count(self):
+        "Return the number of layers in the data source."
+        return capi.get_layer_count(self._ptr)
+
+    @property
+    def name(self):
+        "Return the name of the data source."
+        name = capi.get_ds_name(self._ptr)
+        return force_str(name, self.encoding, strings_only=True)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/driver.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/driver.py
new file mode 100644
index 00000000..0ce7a2cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/driver.py
@@ -0,0 +1,103 @@
+from ctypes import c_void_p
+
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.gdal.prototypes import ds as vcapi
+from django.contrib.gis.gdal.prototypes import raster as rcapi
+from django.utils.encoding import force_bytes, force_str
+
+
+class Driver(GDALBase):
+    """
+    Wrap a GDAL/OGR Data Source Driver.
+    For more information, see the C API documentation:
+    https://gdal.org/api/vector_c_api.html
+    https://gdal.org/api/raster_c_api.html
+    """
+
+    # Case-insensitive aliases for some GDAL/OGR Drivers.
+    # For a complete list of original driver names see
+    # https://gdal.org/drivers/vector/
+    # https://gdal.org/drivers/raster/
+    _alias = {
+        # vector
+        "esri": "ESRI Shapefile",
+        "shp": "ESRI Shapefile",
+        "shape": "ESRI Shapefile",
+        "tiger": "TIGER",
+        "tiger/line": "TIGER",
+        # raster
+        "tiff": "GTiff",
+        "tif": "GTiff",
+        "jpeg": "JPEG",
+        "jpg": "JPEG",
+    }
+
+    def __init__(self, dr_input):
+        """
+        Initialize an GDAL/OGR driver on either a string or integer input.
+        """
+        if isinstance(dr_input, str):
+            # If a string name of the driver was passed in
+            self.ensure_registered()
+
+            # Checking the alias dictionary (case-insensitive) to see if an
+            # alias exists for the given driver.
+            if dr_input.lower() in self._alias:
+                name = self._alias[dr_input.lower()]
+            else:
+                name = dr_input
+
+            # Attempting to get the GDAL/OGR driver by the string name.
+            for iface in (vcapi, rcapi):
+                driver = c_void_p(iface.get_driver_by_name(force_bytes(name)))
+                if driver:
+                    break
+        elif isinstance(dr_input, int):
+            self.ensure_registered()
+            for iface in (vcapi, rcapi):
+                driver = iface.get_driver(dr_input)
+                if driver:
+                    break
+        elif isinstance(dr_input, c_void_p):
+            driver = dr_input
+        else:
+            raise GDALException(
+                "Unrecognized input type for GDAL/OGR Driver: %s" % type(dr_input)
+            )
+
+        # Making sure we get a valid pointer to the OGR Driver
+        if not driver:
+            raise GDALException(
+                "Could not initialize GDAL/OGR Driver on input: %s" % dr_input
+            )
+        self.ptr = driver
+
+    def __str__(self):
+        return self.name
+
+    @classmethod
+    def ensure_registered(cls):
+        """
+        Attempt to register all the data source drivers.
+        """
+        # Only register all if the driver counts are 0 (or else all drivers
+        # will be registered over and over again)
+        if not vcapi.get_driver_count():
+            vcapi.register_all()
+        if not rcapi.get_driver_count():
+            rcapi.register_all()
+
+    @classmethod
+    def driver_count(cls):
+        """
+        Return the number of GDAL/OGR data source drivers registered.
+        """
+        return vcapi.get_driver_count() + rcapi.get_driver_count()
+
+    @property
+    def name(self):
+        """
+        Return description/name string for this driver.
+        """
+        return force_str(rcapi.get_driver_description(self.ptr))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/envelope.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/envelope.py
new file mode 100644
index 00000000..05832bd7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/envelope.py
@@ -0,0 +1,204 @@
+"""
+ The GDAL/OGR library uses an Envelope structure to hold the bounding
+ box information for a geometry.  The envelope (bounding box) contains
+ two pairs of coordinates, one for the lower left coordinate and one
+ for the upper right coordinate:
+
+                           +----------o Upper right; (max_x, max_y)
+                           |          |
+                           |          |
+                           |          |
+ Lower left (min_x, min_y) o----------+
+"""
+
+from ctypes import Structure, c_double
+
+from django.contrib.gis.gdal.error import GDALException
+
+
+# The OGR definition of an Envelope is a C structure containing four doubles.
+#  See the 'ogr_core.h' source file for more information:
+#   https://gdal.org/doxygen/ogr__core_8h_source.html
+class OGREnvelope(Structure):
+    "Represent the OGREnvelope C Structure."
+    _fields_ = [
+        ("MinX", c_double),
+        ("MaxX", c_double),
+        ("MinY", c_double),
+        ("MaxY", c_double),
+    ]
+
+
+class Envelope:
+    """
+    The Envelope object is a C structure that contains the minimum and
+    maximum X, Y coordinates for a rectangle bounding box.  The naming
+    of the variables is compatible with the OGR Envelope structure.
+    """
+
+    def __init__(self, *args):
+        """
+        The initialization function may take an OGREnvelope structure, 4-element
+        tuple or list, or 4 individual arguments.
+        """
+
+        if len(args) == 1:
+            if isinstance(args[0], OGREnvelope):
+                # OGREnvelope (a ctypes Structure) was passed in.
+                self._envelope = args[0]
+            elif isinstance(args[0], (tuple, list)):
+                # A tuple was passed in.
+                if len(args[0]) != 4:
+                    raise GDALException(
+                        "Incorrect number of tuple elements (%d)." % len(args[0])
+                    )
+                else:
+                    self._from_sequence(args[0])
+            else:
+                raise TypeError("Incorrect type of argument: %s" % type(args[0]))
+        elif len(args) == 4:
+            # Individual parameters passed in.
+            #  Thanks to ww for the help
+            self._from_sequence([float(a) for a in args])
+        else:
+            raise GDALException("Incorrect number (%d) of arguments." % len(args))
+
+        # Checking the x,y coordinates
+        if self.min_x > self.max_x:
+            raise GDALException("Envelope minimum X > maximum X.")
+        if self.min_y > self.max_y:
+            raise GDALException("Envelope minimum Y > maximum Y.")
+
+    def __eq__(self, other):
+        """
+        Return True if the envelopes are equivalent; can compare against
+        other Envelopes and 4-tuples.
+        """
+        if isinstance(other, Envelope):
+            return (
+                (self.min_x == other.min_x)
+                and (self.min_y == other.min_y)
+                and (self.max_x == other.max_x)
+                and (self.max_y == other.max_y)
+            )
+        elif isinstance(other, tuple) and len(other) == 4:
+            return (
+                (self.min_x == other[0])
+                and (self.min_y == other[1])
+                and (self.max_x == other[2])
+                and (self.max_y == other[3])
+            )
+        else:
+            raise GDALException("Equivalence testing only works with other Envelopes.")
+
+    def __str__(self):
+        "Return a string representation of the tuple."
+        return str(self.tuple)
+
+    def _from_sequence(self, seq):
+        "Initialize the C OGR Envelope structure from the given sequence."
+        self._envelope = OGREnvelope()
+        self._envelope.MinX = seq[0]
+        self._envelope.MinY = seq[1]
+        self._envelope.MaxX = seq[2]
+        self._envelope.MaxY = seq[3]
+
+    def expand_to_include(self, *args):
+        """
+        Modify the envelope to expand to include the boundaries of
+        the passed-in 2-tuple (a point), 4-tuple (an extent) or
+        envelope.
+        """
+        # We provide a number of different signatures for this method,
+        # and the logic here is all about converting them into a
+        # 4-tuple single parameter which does the actual work of
+        # expanding the envelope.
+        if len(args) == 1:
+            if isinstance(args[0], Envelope):
+                return self.expand_to_include(args[0].tuple)
+            elif hasattr(args[0], "x") and hasattr(args[0], "y"):
+                return self.expand_to_include(
+                    args[0].x, args[0].y, args[0].x, args[0].y
+                )
+            elif isinstance(args[0], (tuple, list)):
+                # A tuple was passed in.
+                if len(args[0]) == 2:
+                    return self.expand_to_include(
+                        (args[0][0], args[0][1], args[0][0], args[0][1])
+                    )
+                elif len(args[0]) == 4:
+                    (minx, miny, maxx, maxy) = args[0]
+                    if minx < self._envelope.MinX:
+                        self._envelope.MinX = minx
+                    if miny < self._envelope.MinY:
+                        self._envelope.MinY = miny
+                    if maxx > self._envelope.MaxX:
+                        self._envelope.MaxX = maxx
+                    if maxy > self._envelope.MaxY:
+                        self._envelope.MaxY = maxy
+                else:
+                    raise GDALException(
+                        "Incorrect number of tuple elements (%d)." % len(args[0])
+                    )
+            else:
+                raise TypeError("Incorrect type of argument: %s" % type(args[0]))
+        elif len(args) == 2:
+            # An x and an y parameter were passed in
+            return self.expand_to_include((args[0], args[1], args[0], args[1]))
+        elif len(args) == 4:
+            # Individual parameters passed in.
+            return self.expand_to_include(args)
+        else:
+            raise GDALException("Incorrect number (%d) of arguments." % len(args[0]))
+
+    @property
+    def min_x(self):
+        "Return the value of the minimum X coordinate."
+        return self._envelope.MinX
+
+    @property
+    def min_y(self):
+        "Return the value of the minimum Y coordinate."
+        return self._envelope.MinY
+
+    @property
+    def max_x(self):
+        "Return the value of the maximum X coordinate."
+        return self._envelope.MaxX
+
+    @property
+    def max_y(self):
+        "Return the value of the maximum Y coordinate."
+        return self._envelope.MaxY
+
+    @property
+    def ur(self):
+        "Return the upper-right coordinate."
+        return (self.max_x, self.max_y)
+
+    @property
+    def ll(self):
+        "Return the lower-left coordinate."
+        return (self.min_x, self.min_y)
+
+    @property
+    def tuple(self):
+        "Return a tuple representing the envelope."
+        return (self.min_x, self.min_y, self.max_x, self.max_y)
+
+    @property
+    def wkt(self):
+        "Return WKT representing a Polygon for this envelope."
+        # TODO: Fix significant figures.
+        return "POLYGON((%s %s,%s %s,%s %s,%s %s,%s %s))" % (
+            self.min_x,
+            self.min_y,
+            self.min_x,
+            self.max_y,
+            self.max_x,
+            self.max_y,
+            self.max_x,
+            self.min_y,
+            self.min_x,
+            self.min_y,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/error.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/error.py
new file mode 100644
index 00000000..df19c2e4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/error.py
@@ -0,0 +1,61 @@
+"""
+ This module houses the GDAL & SRS Exception objects, and the
+ check_err() routine which checks the status code returned by
+ GDAL/OGR methods.
+"""
+
+
+# #### GDAL & SRS Exceptions ####
+class GDALException(Exception):
+    pass
+
+
+class SRSException(Exception):
+    pass
+
+
+# #### GDAL/OGR error checking codes and routine ####
+
+# OGR Error Codes
+OGRERR_DICT = {
+    1: (GDALException, "Not enough data."),
+    2: (GDALException, "Not enough memory."),
+    3: (GDALException, "Unsupported geometry type."),
+    4: (GDALException, "Unsupported operation."),
+    5: (GDALException, "Corrupt data."),
+    6: (GDALException, "OGR failure."),
+    7: (SRSException, "Unsupported SRS."),
+    8: (GDALException, "Invalid handle."),
+}
+
+# CPL Error Codes
+# https://gdal.org/api/cpl.html#cpl-error-h
+CPLERR_DICT = {
+    1: (GDALException, "AppDefined"),
+    2: (GDALException, "OutOfMemory"),
+    3: (GDALException, "FileIO"),
+    4: (GDALException, "OpenFailed"),
+    5: (GDALException, "IllegalArg"),
+    6: (GDALException, "NotSupported"),
+    7: (GDALException, "AssertionFailed"),
+    8: (GDALException, "NoWriteAccess"),
+    9: (GDALException, "UserInterrupt"),
+    10: (GDALException, "ObjectNull"),
+}
+
+ERR_NONE = 0
+
+
+def check_err(code, cpl=False):
+    """
+    Check the given CPL/OGRERR and raise an exception where appropriate.
+    """
+    err_dict = CPLERR_DICT if cpl else OGRERR_DICT
+
+    if code == ERR_NONE:
+        return
+    elif code in err_dict:
+        e, msg = err_dict[code]
+        raise e(msg)
+    else:
+        raise GDALException('Unknown error code: "%s"' % code)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/feature.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/feature.py
new file mode 100644
index 00000000..6f089699
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/feature.py
@@ -0,0 +1,120 @@
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.gdal.field import Field
+from django.contrib.gis.gdal.geometries import OGRGeometry, OGRGeomType
+from django.contrib.gis.gdal.prototypes import ds as capi
+from django.contrib.gis.gdal.prototypes import geom as geom_api
+from django.utils.encoding import force_bytes, force_str
+
+
+# For more information, see the OGR C API source code:
+#  https://gdal.org/api/vector_c_api.html
+#
+# The OGR_F_* routines are relevant here.
+class Feature(GDALBase):
+    """
+    This class that wraps an OGR Feature, needs to be instantiated
+    from a Layer object.
+    """
+
+    destructor = capi.destroy_feature
+
+    def __init__(self, feat, layer):
+        """
+        Initialize Feature from a pointer and its Layer object.
+        """
+        if not feat:
+            raise GDALException("Cannot create OGR Feature, invalid pointer given.")
+        self.ptr = feat
+        self._layer = layer
+
+    def __getitem__(self, index):
+        """
+        Get the Field object at the specified index, which may be either
+        an integer or the Field's string label.  Note that the Field object
+        is not the field's _value_ -- use the `get` method instead to
+        retrieve the value (e.g. an integer) instead of a Field instance.
+        """
+        if isinstance(index, str):
+            i = self.index(index)
+        elif 0 <= index < self.num_fields:
+            i = index
+        else:
+            raise IndexError(
+                "Index out of range when accessing field in a feature: %s." % index
+            )
+        return Field(self, i)
+
+    def __len__(self):
+        "Return the count of fields in this feature."
+        return self.num_fields
+
+    def __str__(self):
+        "The string name of the feature."
+        return "Feature FID %d in Layer<%s>" % (self.fid, self.layer_name)
+
+    def __eq__(self, other):
+        "Do equivalence testing on the features."
+        return bool(capi.feature_equal(self.ptr, other._ptr))
+
+    # #### Feature Properties ####
+    @property
+    def encoding(self):
+        return self._layer._ds.encoding
+
+    @property
+    def fid(self):
+        "Return the feature identifier."
+        return capi.get_fid(self.ptr)
+
+    @property
+    def layer_name(self):
+        "Return the name of the layer for the feature."
+        name = capi.get_feat_name(self._layer._ldefn)
+        return force_str(name, self.encoding, strings_only=True)
+
+    @property
+    def num_fields(self):
+        "Return the number of fields in the Feature."
+        return capi.get_feat_field_count(self.ptr)
+
+    @property
+    def fields(self):
+        "Return a list of fields in the Feature."
+        return [
+            force_str(
+                capi.get_field_name(capi.get_field_defn(self._layer._ldefn, i)),
+                self.encoding,
+                strings_only=True,
+            )
+            for i in range(self.num_fields)
+        ]
+
+    @property
+    def geom(self):
+        "Return the OGR Geometry for this Feature."
+        # Retrieving the geometry pointer for the feature.
+        geom_ptr = capi.get_feat_geom_ref(self.ptr)
+        return OGRGeometry(geom_api.clone_geom(geom_ptr))
+
+    @property
+    def geom_type(self):
+        "Return the OGR Geometry Type for this Feature."
+        return OGRGeomType(capi.get_fd_geom_type(self._layer._ldefn))
+
+    # #### Feature Methods ####
+    def get(self, field):
+        """
+        Return the value of the field, instead of an instance of the Field
+        object.  May take a string of the field name or a Field object as
+        parameters.
+        """
+        field_name = getattr(field, "name", field)
+        return self[field_name].value
+
+    def index(self, field_name):
+        "Return the index of the given field name."
+        i = capi.get_field_index(self.ptr, force_bytes(field_name))
+        if i < 0:
+            raise IndexError("Invalid OFT field name given: %s." % field_name)
+        return i
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/field.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/field.py
new file mode 100644
index 00000000..5374f6c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/field.py
@@ -0,0 +1,253 @@
+from ctypes import byref, c_int
+from datetime import date, datetime, time
+
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.gdal.prototypes import ds as capi
+from django.utils.encoding import force_str
+
+
+# For more information, see the OGR C API source code:
+#  https://gdal.org/api/vector_c_api.html
+#
+# The OGR_Fld_* routines are relevant here.
+class Field(GDALBase):
+    """
+    Wrap an OGR Field. Needs to be instantiated from a Feature object.
+    """
+
+    def __init__(self, feat, index):
+        """
+        Initialize on the feature object and the integer index of
+        the field within the feature.
+        """
+        # Setting the feature pointer and index.
+        self._feat = feat
+        self._index = index
+
+        # Getting the pointer for this field.
+        fld_ptr = capi.get_feat_field_defn(feat.ptr, index)
+        if not fld_ptr:
+            raise GDALException("Cannot create OGR Field, invalid pointer given.")
+        self.ptr = fld_ptr
+
+        # Setting the class depending upon the OGR Field Type (OFT)
+        self.__class__ = OGRFieldTypes[self.type]
+
+    def __str__(self):
+        "Return the string representation of the Field."
+        return str(self.value).strip()
+
+    # #### Field Methods ####
+    def as_double(self):
+        "Retrieve the Field's value as a double (float)."
+        return (
+            capi.get_field_as_double(self._feat.ptr, self._index)
+            if self.is_set
+            else None
+        )
+
+    def as_int(self, is_64=False):
+        "Retrieve the Field's value as an integer."
+        if is_64:
+            return (
+                capi.get_field_as_integer64(self._feat.ptr, self._index)
+                if self.is_set
+                else None
+            )
+        else:
+            return (
+                capi.get_field_as_integer(self._feat.ptr, self._index)
+                if self.is_set
+                else None
+            )
+
+    def as_string(self):
+        "Retrieve the Field's value as a string."
+        if not self.is_set:
+            return None
+        string = capi.get_field_as_string(self._feat.ptr, self._index)
+        return force_str(string, encoding=self._feat.encoding, strings_only=True)
+
+    def as_datetime(self):
+        "Retrieve the Field's value as a tuple of date & time components."
+        if not self.is_set:
+            return None
+        yy, mm, dd, hh, mn, ss, tz = [c_int() for i in range(7)]
+        status = capi.get_field_as_datetime(
+            self._feat.ptr,
+            self._index,
+            byref(yy),
+            byref(mm),
+            byref(dd),
+            byref(hh),
+            byref(mn),
+            byref(ss),
+            byref(tz),
+        )
+        if status:
+            return (yy, mm, dd, hh, mn, ss, tz)
+        else:
+            raise GDALException(
+                "Unable to retrieve date & time information from the field."
+            )
+
+    # #### Field Properties ####
+    @property
+    def is_set(self):
+        "Return True if the value of this field isn't null, False otherwise."
+        return capi.is_field_set(self._feat.ptr, self._index)
+
+    @property
+    def name(self):
+        "Return the name of this Field."
+        name = capi.get_field_name(self.ptr)
+        return force_str(name, encoding=self._feat.encoding, strings_only=True)
+
+    @property
+    def precision(self):
+        "Return the precision of this Field."
+        return capi.get_field_precision(self.ptr)
+
+    @property
+    def type(self):
+        "Return the OGR type of this Field."
+        return capi.get_field_type(self.ptr)
+
+    @property
+    def type_name(self):
+        "Return the OGR field type name for this Field."
+        return capi.get_field_type_name(self.type)
+
+    @property
+    def value(self):
+        "Return the value of this Field."
+        # Default is to get the field as a string.
+        return self.as_string()
+
+    @property
+    def width(self):
+        "Return the width of this Field."
+        return capi.get_field_width(self.ptr)
+
+
+# ### The Field sub-classes for each OGR Field type. ###
+class OFTInteger(Field):
+    _bit64 = False
+
+    @property
+    def value(self):
+        "Return an integer contained in this field."
+        return self.as_int(self._bit64)
+
+    @property
+    def type(self):
+        """
+        GDAL uses OFTReals to represent OFTIntegers in created
+        shapefiles -- forcing the type here since the underlying field
+        type may actually be OFTReal.
+        """
+        return 0
+
+
+class OFTReal(Field):
+    @property
+    def value(self):
+        "Return a float contained in this field."
+        return self.as_double()
+
+
+# String & Binary fields, just subclasses
+class OFTString(Field):
+    pass
+
+
+class OFTWideString(Field):
+    pass
+
+
+class OFTBinary(Field):
+    pass
+
+
+# OFTDate, OFTTime, OFTDateTime fields.
+class OFTDate(Field):
+    @property
+    def value(self):
+        "Return a Python `date` object for the OFTDate field."
+        try:
+            yy, mm, dd, hh, mn, ss, tz = self.as_datetime()
+            return date(yy.value, mm.value, dd.value)
+        except (TypeError, ValueError, GDALException):
+            return None
+
+
+class OFTDateTime(Field):
+    @property
+    def value(self):
+        "Return a Python `datetime` object for this OFTDateTime field."
+        # TODO: Adapt timezone information.
+        #  See https://lists.osgeo.org/pipermail/gdal-dev/2006-February/007990.html
+        #  The `tz` variable has values of: 0=unknown, 1=localtime (ambiguous),
+        #  100=GMT, 104=GMT+1, 80=GMT-5, etc.
+        try:
+            yy, mm, dd, hh, mn, ss, tz = self.as_datetime()
+            return datetime(yy.value, mm.value, dd.value, hh.value, mn.value, ss.value)
+        except (TypeError, ValueError, GDALException):
+            return None
+
+
+class OFTTime(Field):
+    @property
+    def value(self):
+        "Return a Python `time` object for this OFTTime field."
+        try:
+            yy, mm, dd, hh, mn, ss, tz = self.as_datetime()
+            return time(hh.value, mn.value, ss.value)
+        except (ValueError, GDALException):
+            return None
+
+
+class OFTInteger64(OFTInteger):
+    _bit64 = True
+
+
+# List fields are also just subclasses
+class OFTIntegerList(Field):
+    pass
+
+
+class OFTRealList(Field):
+    pass
+
+
+class OFTStringList(Field):
+    pass
+
+
+class OFTWideStringList(Field):
+    pass
+
+
+class OFTInteger64List(Field):
+    pass
+
+
+# Class mapping dictionary for OFT Types and reverse mapping.
+OGRFieldTypes = {
+    0: OFTInteger,
+    1: OFTIntegerList,
+    2: OFTReal,
+    3: OFTRealList,
+    4: OFTString,
+    5: OFTStringList,
+    6: OFTWideString,
+    7: OFTWideStringList,
+    8: OFTBinary,
+    9: OFTDate,
+    10: OFTTime,
+    11: OFTDateTime,
+    12: OFTInteger64,
+    13: OFTInteger64List,
+}
+ROGRFieldTypes = {cls: num for num, cls in OGRFieldTypes.items()}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/geometries.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/geometries.py
new file mode 100644
index 00000000..8ea6b5ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/geometries.py
@@ -0,0 +1,744 @@
+"""
+ The OGRGeometry is a wrapper for using the OGR Geometry class
+ (see https://gdal.org/api/ogrgeometry_cpp.html#_CPPv411OGRGeometry).
+ OGRGeometry may be instantiated when reading geometries from OGR Data Sources
+ (e.g. SHP files), or when given OGC WKT (a string).
+
+ While the 'full' API is not present yet, the API is "pythonic" unlike
+ the traditional and "next-generation" OGR Python bindings.  One major
+ advantage OGR Geometries have over their GEOS counterparts is support
+ for spatial reference systems and their transformation.
+
+ Example:
+  >>> from django.contrib.gis.gdal import OGRGeometry, OGRGeomType, SpatialReference
+  >>> wkt1, wkt2 = 'POINT(-90 30)', 'POLYGON((0 0, 5 0, 5 5, 0 5)'
+  >>> pnt = OGRGeometry(wkt1)
+  >>> print(pnt)
+  POINT (-90 30)
+  >>> mpnt = OGRGeometry(OGRGeomType('MultiPoint'), SpatialReference('WGS84'))
+  >>> mpnt.add(wkt1)
+  >>> mpnt.add(wkt1)
+  >>> print(mpnt)
+  MULTIPOINT (-90 30,-90 30)
+  >>> print(mpnt.srs.name)
+  WGS 84
+  >>> print(mpnt.srs.proj)
+  +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
+  >>> mpnt.transform(SpatialReference('NAD27'))
+  >>> print(mpnt.proj)
+  +proj=longlat +ellps=clrk66 +datum=NAD27 +no_defs
+  >>> print(mpnt)
+  MULTIPOINT (-89.99993037860248 29.99979788655764,-89.99993037860248 29.99979788655764)
+
+  The OGRGeomType class is to make it easy to specify an OGR geometry type:
+  >>> from django.contrib.gis.gdal import OGRGeomType
+  >>> gt1 = OGRGeomType(3) # Using an integer for the type
+  >>> gt2 = OGRGeomType('Polygon') # Using a string
+  >>> gt3 = OGRGeomType('POLYGON') # It's case-insensitive
+  >>> print(gt1 == 3, gt1 == 'Polygon') # Equivalence works w/non-OGRGeomType objects
+  True True
+"""
+
+import sys
+from binascii import b2a_hex
+from ctypes import byref, c_char_p, c_double, c_ubyte, c_void_p, string_at
+
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.envelope import Envelope, OGREnvelope
+from django.contrib.gis.gdal.error import GDALException, SRSException
+from django.contrib.gis.gdal.geomtype import OGRGeomType
+from django.contrib.gis.gdal.prototypes import geom as capi
+from django.contrib.gis.gdal.prototypes import srs as srs_api
+from django.contrib.gis.gdal.srs import CoordTransform, SpatialReference
+from django.contrib.gis.geometry import hex_regex, json_regex, wkt_regex
+from django.utils.encoding import force_bytes
+
+
+# For more information, see the OGR C API source code:
+#  https://gdal.org/api/vector_c_api.html
+#
+# The OGR_G_* routines are relevant here.
+class OGRGeometry(GDALBase):
+    """Encapsulate an OGR geometry."""
+
+    destructor = capi.destroy_geom
+
+    def __init__(self, geom_input, srs=None):
+        """Initialize Geometry on either WKT or an OGR pointer as input."""
+        str_instance = isinstance(geom_input, str)
+
+        # If HEX, unpack input to a binary buffer.
+        if str_instance and hex_regex.match(geom_input):
+            geom_input = memoryview(bytes.fromhex(geom_input))
+            str_instance = False
+
+        # Constructing the geometry,
+        if str_instance:
+            wkt_m = wkt_regex.match(geom_input)
+            json_m = json_regex.match(geom_input)
+            if wkt_m:
+                if wkt_m["srid"]:
+                    # If there's EWKT, set the SRS w/value of the SRID.
+                    srs = int(wkt_m["srid"])
+                if wkt_m["type"].upper() == "LINEARRING":
+                    # OGR_G_CreateFromWkt doesn't work with LINEARRING WKT.
+                    #  See https://trac.osgeo.org/gdal/ticket/1992.
+                    g = capi.create_geom(OGRGeomType(wkt_m["type"]).num)
+                    capi.import_wkt(g, byref(c_char_p(wkt_m["wkt"].encode())))
+                else:
+                    g = capi.from_wkt(
+                        byref(c_char_p(wkt_m["wkt"].encode())), None, byref(c_void_p())
+                    )
+            elif json_m:
+                g = self._from_json(geom_input.encode())
+            else:
+                # Seeing if the input is a valid short-hand string
+                # (e.g., 'Point', 'POLYGON').
+                OGRGeomType(geom_input)
+                g = capi.create_geom(OGRGeomType(geom_input).num)
+        elif isinstance(geom_input, memoryview):
+            # WKB was passed in
+            g = self._from_wkb(geom_input)
+        elif isinstance(geom_input, OGRGeomType):
+            # OGRGeomType was passed in, an empty geometry will be created.
+            g = capi.create_geom(geom_input.num)
+        elif isinstance(geom_input, self.ptr_type):
+            # OGR pointer (c_void_p) was the input.
+            g = geom_input
+        else:
+            raise GDALException(
+                "Invalid input type for OGR Geometry construction: %s"
+                % type(geom_input)
+            )
+
+        # Now checking the Geometry pointer before finishing initialization
+        # by setting the pointer for the object.
+        if not g:
+            raise GDALException(
+                "Cannot create OGR Geometry from input: %s" % geom_input
+            )
+        self.ptr = g
+
+        # Assigning the SpatialReference object to the geometry, if valid.
+        if srs:
+            self.srs = srs
+
+        # Setting the class depending upon the OGR Geometry Type
+        self.__class__ = GEO_CLASSES[self.geom_type.num]
+
+    # Pickle routines
+    def __getstate__(self):
+        srs = self.srs
+        if srs:
+            srs = srs.wkt
+        else:
+            srs = None
+        return bytes(self.wkb), srs
+
+    def __setstate__(self, state):
+        wkb, srs = state
+        ptr = capi.from_wkb(wkb, None, byref(c_void_p()), len(wkb))
+        if not ptr:
+            raise GDALException("Invalid OGRGeometry loaded from pickled state.")
+        self.ptr = ptr
+        self.srs = srs
+
+    @classmethod
+    def _from_wkb(cls, geom_input):
+        return capi.from_wkb(
+            bytes(geom_input), None, byref(c_void_p()), len(geom_input)
+        )
+
+    @staticmethod
+    def _from_json(geom_input):
+        return capi.from_json(geom_input)
+
+    @classmethod
+    def from_bbox(cls, bbox):
+        "Construct a Polygon from a bounding box (4-tuple)."
+        x0, y0, x1, y1 = bbox
+        return OGRGeometry(
+            "POLYGON((%s %s, %s %s, %s %s, %s %s, %s %s))"
+            % (x0, y0, x0, y1, x1, y1, x1, y0, x0, y0)
+        )
+
+    @staticmethod
+    def from_json(geom_input):
+        return OGRGeometry(OGRGeometry._from_json(force_bytes(geom_input)))
+
+    @classmethod
+    def from_gml(cls, gml_string):
+        return cls(capi.from_gml(force_bytes(gml_string)))
+
+    # ### Geometry set-like operations ###
+    # g = g1 | g2
+    def __or__(self, other):
+        "Return the union of the two geometries."
+        return self.union(other)
+
+    # g = g1 & g2
+    def __and__(self, other):
+        "Return the intersection of this Geometry and the other."
+        return self.intersection(other)
+
+    # g = g1 - g2
+    def __sub__(self, other):
+        "Return the difference this Geometry and the other."
+        return self.difference(other)
+
+    # g = g1 ^ g2
+    def __xor__(self, other):
+        "Return the symmetric difference of this Geometry and the other."
+        return self.sym_difference(other)
+
+    def __eq__(self, other):
+        "Is this Geometry equal to the other?"
+        return isinstance(other, OGRGeometry) and self.equals(other)
+
+    def __str__(self):
+        "WKT is used for the string representation."
+        return self.wkt
+
+    # #### Geometry Properties ####
+    @property
+    def dimension(self):
+        "Return 0 for points, 1 for lines, and 2 for surfaces."
+        return capi.get_dims(self.ptr)
+
+    def _get_coord_dim(self):
+        "Return the coordinate dimension of the Geometry."
+        return capi.get_coord_dim(self.ptr)
+
+    def _set_coord_dim(self, dim):
+        "Set the coordinate dimension of this Geometry."
+        if dim not in (2, 3):
+            raise ValueError("Geometry dimension must be either 2 or 3")
+        capi.set_coord_dim(self.ptr, dim)
+
+    coord_dim = property(_get_coord_dim, _set_coord_dim)
+
+    @property
+    def geom_count(self):
+        "Return the number of elements in this Geometry."
+        return capi.get_geom_count(self.ptr)
+
+    @property
+    def point_count(self):
+        "Return the number of Points in this Geometry."
+        return capi.get_point_count(self.ptr)
+
+    @property
+    def num_points(self):
+        "Alias for `point_count` (same name method in GEOS API.)"
+        return self.point_count
+
+    @property
+    def num_coords(self):
+        "Alias for `point_count`."
+        return self.point_count
+
+    @property
+    def geom_type(self):
+        "Return the Type for this Geometry."
+        return OGRGeomType(capi.get_geom_type(self.ptr))
+
+    @property
+    def geom_name(self):
+        "Return the Name of this Geometry."
+        return capi.get_geom_name(self.ptr)
+
+    @property
+    def area(self):
+        "Return the area for a LinearRing, Polygon, or MultiPolygon; 0 otherwise."
+        return capi.get_area(self.ptr)
+
+    @property
+    def envelope(self):
+        "Return the envelope for this Geometry."
+        # TODO: Fix Envelope() for Point geometries.
+        return Envelope(capi.get_envelope(self.ptr, byref(OGREnvelope())))
+
+    @property
+    def empty(self):
+        return capi.is_empty(self.ptr)
+
+    @property
+    def extent(self):
+        "Return the envelope as a 4-tuple, instead of as an Envelope object."
+        return self.envelope.tuple
+
+    # #### SpatialReference-related Properties ####
+
+    # The SRS property
+    def _get_srs(self):
+        "Return the Spatial Reference for this Geometry."
+        try:
+            srs_ptr = capi.get_geom_srs(self.ptr)
+            return SpatialReference(srs_api.clone_srs(srs_ptr))
+        except SRSException:
+            return None
+
+    def _set_srs(self, srs):
+        "Set the SpatialReference for this geometry."
+        # Do not have to clone the `SpatialReference` object pointer because
+        # when it is assigned to this `OGRGeometry` it's internal OGR
+        # reference count is incremented, and will likewise be released
+        # (decremented) when this geometry's destructor is called.
+        if isinstance(srs, SpatialReference):
+            srs_ptr = srs.ptr
+        elif isinstance(srs, (int, str)):
+            sr = SpatialReference(srs)
+            srs_ptr = sr.ptr
+        elif srs is None:
+            srs_ptr = None
+        else:
+            raise TypeError(
+                "Cannot assign spatial reference with object of type: %s" % type(srs)
+            )
+        capi.assign_srs(self.ptr, srs_ptr)
+
+    srs = property(_get_srs, _set_srs)
+
+    # The SRID property
+    def _get_srid(self):
+        srs = self.srs
+        if srs:
+            return srs.srid
+        return None
+
+    def _set_srid(self, srid):
+        if isinstance(srid, int) or srid is None:
+            self.srs = srid
+        else:
+            raise TypeError("SRID must be set with an integer.")
+
+    srid = property(_get_srid, _set_srid)
+
+    # #### Output Methods ####
+    def _geos_ptr(self):
+        from django.contrib.gis.geos import GEOSGeometry
+
+        return GEOSGeometry._from_wkb(self.wkb)
+
+    @property
+    def geos(self):
+        "Return a GEOSGeometry object from this OGRGeometry."
+        from django.contrib.gis.geos import GEOSGeometry
+
+        return GEOSGeometry(self._geos_ptr(), self.srid)
+
+    @property
+    def gml(self):
+        "Return the GML representation of the Geometry."
+        return capi.to_gml(self.ptr)
+
+    @property
+    def hex(self):
+        "Return the hexadecimal representation of the WKB (a string)."
+        return b2a_hex(self.wkb).upper()
+
+    @property
+    def json(self):
+        """
+        Return the GeoJSON representation of this Geometry.
+        """
+        return capi.to_json(self.ptr)
+
+    geojson = json
+
+    @property
+    def kml(self):
+        "Return the KML representation of the Geometry."
+        return capi.to_kml(self.ptr, None)
+
+    @property
+    def wkb_size(self):
+        "Return the size of the WKB buffer."
+        return capi.get_wkbsize(self.ptr)
+
+    @property
+    def wkb(self):
+        "Return the WKB representation of the Geometry."
+        if sys.byteorder == "little":
+            byteorder = 1  # wkbNDR (from ogr_core.h)
+        else:
+            byteorder = 0  # wkbXDR
+        sz = self.wkb_size
+        # Creating the unsigned character buffer, and passing it in by reference.
+        buf = (c_ubyte * sz)()
+        capi.to_wkb(self.ptr, byteorder, byref(buf))
+        # Returning a buffer of the string at the pointer.
+        return memoryview(string_at(buf, sz))
+
+    @property
+    def wkt(self):
+        "Return the WKT representation of the Geometry."
+        return capi.to_wkt(self.ptr, byref(c_char_p()))
+
+    @property
+    def ewkt(self):
+        "Return the EWKT representation of the Geometry."
+        srs = self.srs
+        if srs and srs.srid:
+            return "SRID=%s;%s" % (srs.srid, self.wkt)
+        else:
+            return self.wkt
+
+    # #### Geometry Methods ####
+    def clone(self):
+        "Clone this OGR Geometry."
+        return OGRGeometry(capi.clone_geom(self.ptr), self.srs)
+
+    def close_rings(self):
+        """
+        If there are any rings within this geometry that have not been
+        closed, this routine will do so by adding the starting point at the
+        end.
+        """
+        # Closing the open rings.
+        capi.geom_close_rings(self.ptr)
+
+    def transform(self, coord_trans, clone=False):
+        """
+        Transform this geometry to a different spatial reference system.
+        May take a CoordTransform object, a SpatialReference object, string
+        WKT or PROJ, and/or an integer SRID.  By default, return nothing
+        and transform the geometry in-place. However, if the `clone` keyword is
+        set, return a transformed clone of this geometry.
+        """
+        if clone:
+            klone = self.clone()
+            klone.transform(coord_trans)
+            return klone
+
+        # Depending on the input type, use the appropriate OGR routine
+        # to perform the transformation.
+        if isinstance(coord_trans, CoordTransform):
+            capi.geom_transform(self.ptr, coord_trans.ptr)
+        elif isinstance(coord_trans, SpatialReference):
+            capi.geom_transform_to(self.ptr, coord_trans.ptr)
+        elif isinstance(coord_trans, (int, str)):
+            sr = SpatialReference(coord_trans)
+            capi.geom_transform_to(self.ptr, sr.ptr)
+        else:
+            raise TypeError(
+                "Transform only accepts CoordTransform, "
+                "SpatialReference, string, and integer objects."
+            )
+
+    # #### Topology Methods ####
+    def _topology(self, func, other):
+        """A generalized function for topology operations, takes a GDAL function and
+        the other geometry to perform the operation on."""
+        if not isinstance(other, OGRGeometry):
+            raise TypeError(
+                "Must use another OGRGeometry object for topology operations!"
+            )
+
+        # Returning the output of the given function with the other geometry's
+        # pointer.
+        return func(self.ptr, other.ptr)
+
+    def intersects(self, other):
+        "Return True if this geometry intersects with the other."
+        return self._topology(capi.ogr_intersects, other)
+
+    def equals(self, other):
+        "Return True if this geometry is equivalent to the other."
+        return self._topology(capi.ogr_equals, other)
+
+    def disjoint(self, other):
+        "Return True if this geometry and the other are spatially disjoint."
+        return self._topology(capi.ogr_disjoint, other)
+
+    def touches(self, other):
+        "Return True if this geometry touches the other."
+        return self._topology(capi.ogr_touches, other)
+
+    def crosses(self, other):
+        "Return True if this geometry crosses the other."
+        return self._topology(capi.ogr_crosses, other)
+
+    def within(self, other):
+        "Return True if this geometry is within the other."
+        return self._topology(capi.ogr_within, other)
+
+    def contains(self, other):
+        "Return True if this geometry contains the other."
+        return self._topology(capi.ogr_contains, other)
+
+    def overlaps(self, other):
+        "Return True if this geometry overlaps the other."
+        return self._topology(capi.ogr_overlaps, other)
+
+    # #### Geometry-generation Methods ####
+    def _geomgen(self, gen_func, other=None):
+        "A helper routine for the OGR routines that generate geometries."
+        if isinstance(other, OGRGeometry):
+            return OGRGeometry(gen_func(self.ptr, other.ptr), self.srs)
+        else:
+            return OGRGeometry(gen_func(self.ptr), self.srs)
+
+    @property
+    def boundary(self):
+        "Return the boundary of this geometry."
+        return self._geomgen(capi.get_boundary)
+
+    @property
+    def convex_hull(self):
+        """
+        Return the smallest convex Polygon that contains all the points in
+        this Geometry.
+        """
+        return self._geomgen(capi.geom_convex_hull)
+
+    def difference(self, other):
+        """
+        Return a new geometry consisting of the region which is the difference
+        of this geometry and the other.
+        """
+        return self._geomgen(capi.geom_diff, other)
+
+    def intersection(self, other):
+        """
+        Return a new geometry consisting of the region of intersection of this
+        geometry and the other.
+        """
+        return self._geomgen(capi.geom_intersection, other)
+
+    def sym_difference(self, other):
+        """
+        Return a new geometry which is the symmetric difference of this
+        geometry and the other.
+        """
+        return self._geomgen(capi.geom_sym_diff, other)
+
+    def union(self, other):
+        """
+        Return a new geometry consisting of the region which is the union of
+        this geometry and the other.
+        """
+        return self._geomgen(capi.geom_union, other)
+
+
+# The subclasses for OGR Geometry.
+class Point(OGRGeometry):
+    def _geos_ptr(self):
+        from django.contrib.gis import geos
+
+        return geos.Point._create_empty() if self.empty else super()._geos_ptr()
+
+    @classmethod
+    def _create_empty(cls):
+        return capi.create_geom(OGRGeomType("point").num)
+
+    @property
+    def x(self):
+        "Return the X coordinate for this Point."
+        return capi.getx(self.ptr, 0)
+
+    @property
+    def y(self):
+        "Return the Y coordinate for this Point."
+        return capi.gety(self.ptr, 0)
+
+    @property
+    def z(self):
+        "Return the Z coordinate for this Point."
+        if self.coord_dim == 3:
+            return capi.getz(self.ptr, 0)
+
+    @property
+    def tuple(self):
+        "Return the tuple of this point."
+        if self.coord_dim == 2:
+            return (self.x, self.y)
+        elif self.coord_dim == 3:
+            return (self.x, self.y, self.z)
+
+    coords = tuple
+
+
+class LineString(OGRGeometry):
+    def __getitem__(self, index):
+        "Return the Point at the given index."
+        if 0 <= index < self.point_count:
+            x, y, z = c_double(), c_double(), c_double()
+            capi.get_point(self.ptr, index, byref(x), byref(y), byref(z))
+            dim = self.coord_dim
+            if dim == 1:
+                return (x.value,)
+            elif dim == 2:
+                return (x.value, y.value)
+            elif dim == 3:
+                return (x.value, y.value, z.value)
+        else:
+            raise IndexError(
+                "Index out of range when accessing points of a line string: %s." % index
+            )
+
+    def __len__(self):
+        "Return the number of points in the LineString."
+        return self.point_count
+
+    @property
+    def tuple(self):
+        "Return the tuple representation of this LineString."
+        return tuple(self[i] for i in range(len(self)))
+
+    coords = tuple
+
+    def _listarr(self, func):
+        """
+        Internal routine that returns a sequence (list) corresponding with
+        the given function.
+        """
+        return [func(self.ptr, i) for i in range(len(self))]
+
+    @property
+    def x(self):
+        "Return the X coordinates in a list."
+        return self._listarr(capi.getx)
+
+    @property
+    def y(self):
+        "Return the Y coordinates in a list."
+        return self._listarr(capi.gety)
+
+    @property
+    def z(self):
+        "Return the Z coordinates in a list."
+        if self.coord_dim == 3:
+            return self._listarr(capi.getz)
+
+
+# LinearRings are used in Polygons.
+class LinearRing(LineString):
+    pass
+
+
+class Polygon(OGRGeometry):
+    def __len__(self):
+        "Return the number of interior rings in this Polygon."
+        return self.geom_count
+
+    def __getitem__(self, index):
+        "Get the ring at the specified index."
+        if 0 <= index < self.geom_count:
+            return OGRGeometry(
+                capi.clone_geom(capi.get_geom_ref(self.ptr, index)), self.srs
+            )
+        else:
+            raise IndexError(
+                "Index out of range when accessing rings of a polygon: %s." % index
+            )
+
+    # Polygon Properties
+    @property
+    def shell(self):
+        "Return the shell of this Polygon."
+        return self[0]  # First ring is the shell
+
+    exterior_ring = shell
+
+    @property
+    def tuple(self):
+        "Return a tuple of LinearRing coordinate tuples."
+        return tuple(self[i].tuple for i in range(self.geom_count))
+
+    coords = tuple
+
+    @property
+    def point_count(self):
+        "Return the number of Points in this Polygon."
+        # Summing up the number of points in each ring of the Polygon.
+        return sum(self[i].point_count for i in range(self.geom_count))
+
+    @property
+    def centroid(self):
+        "Return the centroid (a Point) of this Polygon."
+        # The centroid is a Point, create a geometry for this.
+        p = OGRGeometry(OGRGeomType("Point"))
+        capi.get_centroid(self.ptr, p.ptr)
+        return p
+
+
+# Geometry Collection base class.
+class GeometryCollection(OGRGeometry):
+    "The Geometry Collection class."
+
+    def __getitem__(self, index):
+        "Get the Geometry at the specified index."
+        if 0 <= index < self.geom_count:
+            return OGRGeometry(
+                capi.clone_geom(capi.get_geom_ref(self.ptr, index)), self.srs
+            )
+        else:
+            raise IndexError(
+                "Index out of range when accessing geometry in a collection: %s."
+                % index
+            )
+
+    def __len__(self):
+        "Return the number of geometries in this Geometry Collection."
+        return self.geom_count
+
+    def add(self, geom):
+        "Add the geometry to this Geometry Collection."
+        if isinstance(geom, OGRGeometry):
+            if isinstance(geom, self.__class__):
+                for g in geom:
+                    capi.add_geom(self.ptr, g.ptr)
+            else:
+                capi.add_geom(self.ptr, geom.ptr)
+        elif isinstance(geom, str):
+            tmp = OGRGeometry(geom)
+            capi.add_geom(self.ptr, tmp.ptr)
+        else:
+            raise GDALException("Must add an OGRGeometry.")
+
+    @property
+    def point_count(self):
+        "Return the number of Points in this Geometry Collection."
+        # Summing up the number of points in each geometry in this collection
+        return sum(self[i].point_count for i in range(self.geom_count))
+
+    @property
+    def tuple(self):
+        "Return a tuple representation of this Geometry Collection."
+        return tuple(self[i].tuple for i in range(self.geom_count))
+
+    coords = tuple
+
+
+# Multiple Geometry types.
+class MultiPoint(GeometryCollection):
+    pass
+
+
+class MultiLineString(GeometryCollection):
+    pass
+
+
+class MultiPolygon(GeometryCollection):
+    pass
+
+
+# Class mapping dictionary (using the OGRwkbGeometryType as the key)
+GEO_CLASSES = {
+    1: Point,
+    2: LineString,
+    3: Polygon,
+    4: MultiPoint,
+    5: MultiLineString,
+    6: MultiPolygon,
+    7: GeometryCollection,
+    101: LinearRing,
+    1 + OGRGeomType.wkb25bit: Point,
+    2 + OGRGeomType.wkb25bit: LineString,
+    3 + OGRGeomType.wkb25bit: Polygon,
+    4 + OGRGeomType.wkb25bit: MultiPoint,
+    5 + OGRGeomType.wkb25bit: MultiLineString,
+    6 + OGRGeomType.wkb25bit: MultiPolygon,
+    7 + OGRGeomType.wkb25bit: GeometryCollection,
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/geomtype.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/geomtype.py
new file mode 100644
index 00000000..8b77cafa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/geomtype.py
@@ -0,0 +1,95 @@
+from django.contrib.gis.gdal.error import GDALException
+
+
+class OGRGeomType:
+    "Encapsulate OGR Geometry Types."
+
+    wkb25bit = -2147483648
+
+    # Dictionary of acceptable OGRwkbGeometryType s and their string names.
+    _types = {
+        0: "Unknown",
+        1: "Point",
+        2: "LineString",
+        3: "Polygon",
+        4: "MultiPoint",
+        5: "MultiLineString",
+        6: "MultiPolygon",
+        7: "GeometryCollection",
+        100: "None",
+        101: "LinearRing",
+        102: "PointZ",
+        1 + wkb25bit: "Point25D",
+        2 + wkb25bit: "LineString25D",
+        3 + wkb25bit: "Polygon25D",
+        4 + wkb25bit: "MultiPoint25D",
+        5 + wkb25bit: "MultiLineString25D",
+        6 + wkb25bit: "MultiPolygon25D",
+        7 + wkb25bit: "GeometryCollection25D",
+    }
+    # Reverse type dictionary, keyed by lowercase of the name.
+    _str_types = {v.lower(): k for k, v in _types.items()}
+
+    def __init__(self, type_input):
+        "Figure out the correct OGR Type based upon the input."
+        if isinstance(type_input, OGRGeomType):
+            num = type_input.num
+        elif isinstance(type_input, str):
+            type_input = type_input.lower()
+            if type_input == "geometry":
+                type_input = "unknown"
+            num = self._str_types.get(type_input)
+            if num is None:
+                raise GDALException('Invalid OGR String Type "%s"' % type_input)
+        elif isinstance(type_input, int):
+            if type_input not in self._types:
+                raise GDALException("Invalid OGR Integer Type: %d" % type_input)
+            num = type_input
+        else:
+            raise TypeError("Invalid OGR input type given.")
+
+        # Setting the OGR geometry type number.
+        self.num = num
+
+    def __str__(self):
+        "Return the value of the name property."
+        return self.name
+
+    def __eq__(self, other):
+        """
+        Do an equivalence test on the OGR type with the given
+        other OGRGeomType, the short-hand string, or the integer.
+        """
+        if isinstance(other, OGRGeomType):
+            return self.num == other.num
+        elif isinstance(other, str):
+            return self.name.lower() == other.lower()
+        elif isinstance(other, int):
+            return self.num == other
+        else:
+            return False
+
+    @property
+    def name(self):
+        "Return a short-hand string form of the OGR Geometry type."
+        return self._types[self.num]
+
+    @property
+    def django(self):
+        "Return the Django GeometryField for this OGR Type."
+        s = self.name.replace("25D", "")
+        if s in ("LinearRing", "None"):
+            return None
+        elif s == "Unknown":
+            s = "Geometry"
+        elif s == "PointZ":
+            s = "Point"
+        return s + "Field"
+
+    def to_multi(self):
+        """
+        Transform Point, LineString, Polygon, and their 25D equivalents
+        to their Multi... counterpart.
+        """
+        if self.name.startswith(("Point", "LineString", "Polygon")):
+            self.num += 3
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/layer.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/layer.py
new file mode 100644
index 00000000..1afa0469
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/layer.py
@@ -0,0 +1,234 @@
+from ctypes import byref, c_double
+
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.envelope import Envelope, OGREnvelope
+from django.contrib.gis.gdal.error import GDALException, SRSException
+from django.contrib.gis.gdal.feature import Feature
+from django.contrib.gis.gdal.field import OGRFieldTypes
+from django.contrib.gis.gdal.geometries import OGRGeometry
+from django.contrib.gis.gdal.geomtype import OGRGeomType
+from django.contrib.gis.gdal.prototypes import ds as capi
+from django.contrib.gis.gdal.prototypes import geom as geom_api
+from django.contrib.gis.gdal.prototypes import srs as srs_api
+from django.contrib.gis.gdal.srs import SpatialReference
+from django.utils.encoding import force_bytes, force_str
+
+
+# For more information, see the OGR C API source code:
+#  https://gdal.org/api/vector_c_api.html
+#
+# The OGR_L_* routines are relevant here.
+class Layer(GDALBase):
+    """
+    A class that wraps an OGR Layer, needs to be instantiated from a DataSource
+    object.
+    """
+
+    def __init__(self, layer_ptr, ds):
+        """
+        Initialize on an OGR C pointer to the Layer and the `DataSource` object
+        that owns this layer.  The `DataSource` object is required so that a
+        reference to it is kept with this Layer.  This prevents garbage
+        collection of the `DataSource` while this Layer is still active.
+        """
+        if not layer_ptr:
+            raise GDALException("Cannot create Layer, invalid pointer given")
+        self.ptr = layer_ptr
+        self._ds = ds
+        self._ldefn = capi.get_layer_defn(self._ptr)
+        # Does the Layer support random reading?
+        self._random_read = self.test_capability(b"RandomRead")
+
+    def __getitem__(self, index):
+        "Get the Feature at the specified index."
+        if isinstance(index, int):
+            # An integer index was given -- we cannot do a check based on the
+            # number of features because the beginning and ending feature IDs
+            # are not guaranteed to be 0 and len(layer)-1, respectively.
+            if index < 0:
+                raise IndexError("Negative indices are not allowed on OGR Layers.")
+            return self._make_feature(index)
+        elif isinstance(index, slice):
+            # A slice was given
+            start, stop, stride = index.indices(self.num_feat)
+            return [self._make_feature(fid) for fid in range(start, stop, stride)]
+        else:
+            raise TypeError(
+                "Integers and slices may only be used when indexing OGR Layers."
+            )
+
+    def __iter__(self):
+        "Iterate over each Feature in the Layer."
+        # ResetReading() must be called before iteration is to begin.
+        capi.reset_reading(self._ptr)
+        for i in range(self.num_feat):
+            yield Feature(capi.get_next_feature(self._ptr), self)
+
+    def __len__(self):
+        "The length is the number of features."
+        return self.num_feat
+
+    def __str__(self):
+        "The string name of the layer."
+        return self.name
+
+    def _make_feature(self, feat_id):
+        """
+        Helper routine for __getitem__ that constructs a Feature from the given
+        Feature ID.  If the OGR Layer does not support random-access reading,
+        then each feature of the layer will be incremented through until the
+        a Feature is found matching the given feature ID.
+        """
+        if self._random_read:
+            # If the Layer supports random reading, return.
+            try:
+                return Feature(capi.get_feature(self.ptr, feat_id), self)
+            except GDALException:
+                pass
+        else:
+            # Random access isn't supported, have to increment through
+            # each feature until the given feature ID is encountered.
+            for feat in self:
+                if feat.fid == feat_id:
+                    return feat
+        # Should have returned a Feature, raise an IndexError.
+        raise IndexError("Invalid feature id: %s." % feat_id)
+
+    # #### Layer properties ####
+    @property
+    def extent(self):
+        "Return the extent (an Envelope) of this layer."
+        env = OGREnvelope()
+        capi.get_extent(self.ptr, byref(env), 1)
+        return Envelope(env)
+
+    @property
+    def name(self):
+        "Return the name of this layer in the Data Source."
+        name = capi.get_fd_name(self._ldefn)
+        return force_str(name, self._ds.encoding, strings_only=True)
+
+    @property
+    def num_feat(self, force=1):
+        "Return the number of features in the Layer."
+        return capi.get_feature_count(self.ptr, force)
+
+    @property
+    def num_fields(self):
+        "Return the number of fields in the Layer."
+        return capi.get_field_count(self._ldefn)
+
+    @property
+    def geom_type(self):
+        "Return the geometry type (OGRGeomType) of the Layer."
+        return OGRGeomType(capi.get_fd_geom_type(self._ldefn))
+
+    @property
+    def srs(self):
+        "Return the Spatial Reference used in this Layer."
+        try:
+            ptr = capi.get_layer_srs(self.ptr)
+            return SpatialReference(srs_api.clone_srs(ptr))
+        except SRSException:
+            return None
+
+    @property
+    def fields(self):
+        """
+        Return a list of string names corresponding to each of the Fields
+        available in this Layer.
+        """
+        return [
+            force_str(
+                capi.get_field_name(capi.get_field_defn(self._ldefn, i)),
+                self._ds.encoding,
+                strings_only=True,
+            )
+            for i in range(self.num_fields)
+        ]
+
+    @property
+    def field_types(self):
+        """
+        Return a list of the types of fields in this Layer.  For example,
+        return the list [OFTInteger, OFTReal, OFTString] for an OGR layer that
+        has an integer, a floating-point, and string fields.
+        """
+        return [
+            OGRFieldTypes[capi.get_field_type(capi.get_field_defn(self._ldefn, i))]
+            for i in range(self.num_fields)
+        ]
+
+    @property
+    def field_widths(self):
+        "Return a list of the maximum field widths for the features."
+        return [
+            capi.get_field_width(capi.get_field_defn(self._ldefn, i))
+            for i in range(self.num_fields)
+        ]
+
+    @property
+    def field_precisions(self):
+        "Return the field precisions for the features."
+        return [
+            capi.get_field_precision(capi.get_field_defn(self._ldefn, i))
+            for i in range(self.num_fields)
+        ]
+
+    def _get_spatial_filter(self):
+        try:
+            return OGRGeometry(geom_api.clone_geom(capi.get_spatial_filter(self.ptr)))
+        except GDALException:
+            return None
+
+    def _set_spatial_filter(self, filter):
+        if isinstance(filter, OGRGeometry):
+            capi.set_spatial_filter(self.ptr, filter.ptr)
+        elif isinstance(filter, (tuple, list)):
+            if not len(filter) == 4:
+                raise ValueError("Spatial filter list/tuple must have 4 elements.")
+            # Map c_double onto params -- if a bad type is passed in it
+            # will be caught here.
+            xmin, ymin, xmax, ymax = map(c_double, filter)
+            capi.set_spatial_filter_rect(self.ptr, xmin, ymin, xmax, ymax)
+        elif filter is None:
+            capi.set_spatial_filter(self.ptr, None)
+        else:
+            raise TypeError(
+                "Spatial filter must be either an OGRGeometry instance, a 4-tuple, or "
+                "None."
+            )
+
+    spatial_filter = property(_get_spatial_filter, _set_spatial_filter)
+
+    # #### Layer Methods ####
+    def get_fields(self, field_name):
+        """
+        Return a list containing the given field name for every Feature
+        in the Layer.
+        """
+        if field_name not in self.fields:
+            raise GDALException("invalid field name: %s" % field_name)
+        return [feat.get(field_name) for feat in self]
+
+    def get_geoms(self, geos=False):
+        """
+        Return a list containing the OGRGeometry for every Feature in
+        the Layer.
+        """
+        if geos:
+            from django.contrib.gis.geos import GEOSGeometry
+
+            return [GEOSGeometry(feat.geom.wkb) for feat in self]
+        else:
+            return [feat.geom for feat in self]
+
+    def test_capability(self, capability):
+        """
+        Return a bool indicating whether the this Layer supports the given
+        capability (a string).  Valid capability strings include:
+          'RandomRead', 'SequentialWrite', 'RandomWrite', 'FastSpatialFilter',
+          'FastFeatureCount', 'FastGetExtent', 'CreateField', 'Transactions',
+          'DeleteFeature', and 'FastSetNextByIndex'.
+        """
+        return bool(capi.test_capability(self.ptr, force_bytes(capability)))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/libgdal.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/libgdal.py
new file mode 100644
index 00000000..30cba0f1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/libgdal.py
@@ -0,0 +1,140 @@
+import logging
+import os
+import re
+from ctypes import CDLL, CFUNCTYPE, c_char_p, c_int
+from ctypes.util import find_library
+
+from django.contrib.gis.gdal.error import GDALException
+from django.core.exceptions import ImproperlyConfigured
+
+logger = logging.getLogger("django.contrib.gis")
+
+# Custom library path set?
+try:
+    from django.conf import settings
+
+    lib_path = settings.GDAL_LIBRARY_PATH
+except (AttributeError, ImportError, ImproperlyConfigured, OSError):
+    lib_path = None
+
+if lib_path:
+    lib_names = None
+elif os.name == "nt":
+    # Windows NT shared libraries
+    lib_names = [
+        "gdal307",
+        "gdal306",
+        "gdal305",
+        "gdal304",
+        "gdal303",
+        "gdal302",
+        "gdal301",
+        "gdal300",
+        "gdal204",
+    ]
+elif os.name == "posix":
+    # *NIX library names.
+    lib_names = [
+        "gdal",
+        "GDAL",
+        "gdal3.7.0",
+        "gdal3.6.0",
+        "gdal3.5.0",
+        "gdal3.4.0",
+        "gdal3.3.0",
+        "gdal3.2.0",
+        "gdal3.1.0",
+        "gdal3.0.0",
+        "gdal2.4.0",
+    ]
+else:
+    raise ImproperlyConfigured('GDAL is unsupported on OS "%s".' % os.name)
+
+# Using the ctypes `find_library` utility  to find the
+# path to the GDAL library from the list of library names.
+if lib_names:
+    for lib_name in lib_names:
+        lib_path = find_library(lib_name)
+        if lib_path is not None:
+            break
+
+if lib_path is None:
+    raise ImproperlyConfigured(
+        'Could not find the GDAL library (tried "%s"). Is GDAL installed? '
+        "If it is, try setting GDAL_LIBRARY_PATH in your settings."
+        % '", "'.join(lib_names)
+    )
+
+# This loads the GDAL/OGR C library
+lgdal = CDLL(lib_path)
+
+# On Windows, the GDAL binaries have some OSR routines exported with
+# STDCALL, while others are not.  Thus, the library will also need to
+# be loaded up as WinDLL for said OSR functions that require the
+# different calling convention.
+if os.name == "nt":
+    from ctypes import WinDLL
+
+    lwingdal = WinDLL(lib_path)
+
+
+def std_call(func):
+    """
+    Return the correct STDCALL function for certain OSR routines on Win32
+    platforms.
+    """
+    if os.name == "nt":
+        return lwingdal[func]
+    else:
+        return lgdal[func]
+
+
+# #### Version-information functions. ####
+
+# Return GDAL library version information with the given key.
+_version_info = std_call("GDALVersionInfo")
+_version_info.argtypes = [c_char_p]
+_version_info.restype = c_char_p
+
+
+def gdal_version():
+    "Return only the GDAL version number information."
+    return _version_info(b"RELEASE_NAME")
+
+
+def gdal_full_version():
+    "Return the full GDAL version information."
+    return _version_info(b"")
+
+
+def gdal_version_info():
+    ver = gdal_version()
+    m = re.match(rb"^(?P<major>\d+)\.(?P<minor>\d+)(?:\.(?P<subminor>\d+))?", ver)
+    if not m:
+        raise GDALException('Could not parse GDAL version string "%s"' % ver)
+    major, minor, subminor = m.groups()
+    return (int(major), int(minor), subminor and int(subminor))
+
+
+GDAL_VERSION = gdal_version_info()
+
+# Set library error handling so as errors are logged
+CPLErrorHandler = CFUNCTYPE(None, c_int, c_int, c_char_p)
+
+
+def err_handler(error_class, error_number, message):
+    logger.error("GDAL_ERROR %d: %s", error_number, message)
+
+
+err_handler = CPLErrorHandler(err_handler)
+
+
+def function(name, args, restype):
+    func = std_call(name)
+    func.argtypes = args
+    func.restype = restype
+    return func
+
+
+set_error_handler = function("CPLSetErrorHandler", [CPLErrorHandler], CPLErrorHandler)
+set_error_handler(err_handler)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/ds.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/ds.py
new file mode 100644
index 00000000..b6e9d4a0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/ds.py
@@ -0,0 +1,100 @@
+"""
+ This module houses the ctypes function prototypes for OGR DataSource
+ related data structures. OGR_Dr_*, OGR_DS_*, OGR_L_*, OGR_F_*,
+ OGR_Fld_* routines are relevant here.
+"""
+
+from ctypes import POINTER, c_char_p, c_double, c_int, c_long, c_void_p
+
+from django.contrib.gis.gdal.envelope import OGREnvelope
+from django.contrib.gis.gdal.libgdal import lgdal
+from django.contrib.gis.gdal.prototypes.generation import (
+    bool_output,
+    const_string_output,
+    double_output,
+    geom_output,
+    int64_output,
+    int_output,
+    srs_output,
+    void_output,
+    voidptr_output,
+)
+
+c_int_p = POINTER(c_int)  # shortcut type
+
+# Driver Routines
+register_all = void_output(lgdal.OGRRegisterAll, [], errcheck=False)
+cleanup_all = void_output(lgdal.OGRCleanupAll, [], errcheck=False)
+get_driver = voidptr_output(lgdal.OGRGetDriver, [c_int])
+get_driver_by_name = voidptr_output(
+    lgdal.OGRGetDriverByName, [c_char_p], errcheck=False
+)
+get_driver_count = int_output(lgdal.OGRGetDriverCount, [])
+get_driver_name = const_string_output(
+    lgdal.OGR_Dr_GetName, [c_void_p], decoding="ascii"
+)
+
+# DataSource
+open_ds = voidptr_output(lgdal.OGROpen, [c_char_p, c_int, POINTER(c_void_p)])
+destroy_ds = void_output(lgdal.OGR_DS_Destroy, [c_void_p], errcheck=False)
+release_ds = void_output(lgdal.OGRReleaseDataSource, [c_void_p])
+get_ds_name = const_string_output(lgdal.OGR_DS_GetName, [c_void_p])
+get_layer = voidptr_output(lgdal.OGR_DS_GetLayer, [c_void_p, c_int])
+get_layer_by_name = voidptr_output(lgdal.OGR_DS_GetLayerByName, [c_void_p, c_char_p])
+get_layer_count = int_output(lgdal.OGR_DS_GetLayerCount, [c_void_p])
+
+# Layer Routines
+get_extent = void_output(lgdal.OGR_L_GetExtent, [c_void_p, POINTER(OGREnvelope), c_int])
+get_feature = voidptr_output(lgdal.OGR_L_GetFeature, [c_void_p, c_long])
+get_feature_count = int_output(lgdal.OGR_L_GetFeatureCount, [c_void_p, c_int])
+get_layer_defn = voidptr_output(lgdal.OGR_L_GetLayerDefn, [c_void_p])
+get_layer_srs = srs_output(lgdal.OGR_L_GetSpatialRef, [c_void_p])
+get_next_feature = voidptr_output(lgdal.OGR_L_GetNextFeature, [c_void_p])
+reset_reading = void_output(lgdal.OGR_L_ResetReading, [c_void_p], errcheck=False)
+test_capability = int_output(lgdal.OGR_L_TestCapability, [c_void_p, c_char_p])
+get_spatial_filter = geom_output(lgdal.OGR_L_GetSpatialFilter, [c_void_p])
+set_spatial_filter = void_output(
+    lgdal.OGR_L_SetSpatialFilter, [c_void_p, c_void_p], errcheck=False
+)
+set_spatial_filter_rect = void_output(
+    lgdal.OGR_L_SetSpatialFilterRect,
+    [c_void_p, c_double, c_double, c_double, c_double],
+    errcheck=False,
+)
+
+# Feature Definition Routines
+get_fd_geom_type = int_output(lgdal.OGR_FD_GetGeomType, [c_void_p])
+get_fd_name = const_string_output(lgdal.OGR_FD_GetName, [c_void_p])
+get_feat_name = const_string_output(lgdal.OGR_FD_GetName, [c_void_p])
+get_field_count = int_output(lgdal.OGR_FD_GetFieldCount, [c_void_p])
+get_field_defn = voidptr_output(lgdal.OGR_FD_GetFieldDefn, [c_void_p, c_int])
+
+# Feature Routines
+clone_feature = voidptr_output(lgdal.OGR_F_Clone, [c_void_p])
+destroy_feature = void_output(lgdal.OGR_F_Destroy, [c_void_p], errcheck=False)
+feature_equal = int_output(lgdal.OGR_F_Equal, [c_void_p, c_void_p])
+get_feat_geom_ref = geom_output(lgdal.OGR_F_GetGeometryRef, [c_void_p])
+get_feat_field_count = int_output(lgdal.OGR_F_GetFieldCount, [c_void_p])
+get_feat_field_defn = voidptr_output(lgdal.OGR_F_GetFieldDefnRef, [c_void_p, c_int])
+get_fid = int_output(lgdal.OGR_F_GetFID, [c_void_p])
+get_field_as_datetime = int_output(
+    lgdal.OGR_F_GetFieldAsDateTime,
+    [c_void_p, c_int, c_int_p, c_int_p, c_int_p, c_int_p, c_int_p, c_int_p],
+)
+get_field_as_double = double_output(lgdal.OGR_F_GetFieldAsDouble, [c_void_p, c_int])
+get_field_as_integer = int_output(lgdal.OGR_F_GetFieldAsInteger, [c_void_p, c_int])
+get_field_as_integer64 = int64_output(
+    lgdal.OGR_F_GetFieldAsInteger64, [c_void_p, c_int]
+)
+is_field_set = bool_output(lgdal.OGR_F_IsFieldSetAndNotNull, [c_void_p, c_int])
+get_field_as_string = const_string_output(
+    lgdal.OGR_F_GetFieldAsString, [c_void_p, c_int]
+)
+get_field_index = int_output(lgdal.OGR_F_GetFieldIndex, [c_void_p, c_char_p])
+
+# Field Routines
+get_field_name = const_string_output(lgdal.OGR_Fld_GetNameRef, [c_void_p])
+get_field_precision = int_output(lgdal.OGR_Fld_GetPrecision, [c_void_p])
+get_field_type = int_output(lgdal.OGR_Fld_GetType, [c_void_p])
+get_field_type_name = const_string_output(lgdal.OGR_GetFieldTypeName, [c_int])
+get_field_width = int_output(lgdal.OGR_Fld_GetWidth, [c_void_p])
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/errcheck.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/errcheck.py
new file mode 100644
index 00000000..d37e81cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/errcheck.py
@@ -0,0 +1,142 @@
+"""
+ This module houses the error-checking routines used by the GDAL
+ ctypes prototypes.
+"""
+
+from ctypes import c_void_p, string_at
+
+from django.contrib.gis.gdal.error import GDALException, SRSException, check_err
+from django.contrib.gis.gdal.libgdal import lgdal
+
+
+# Helper routines for retrieving pointers and/or values from
+# arguments passed in by reference.
+def arg_byref(args, offset=-1):
+    "Return the pointer argument's by-reference value."
+    return args[offset]._obj.value
+
+
+def ptr_byref(args, offset=-1):
+    "Return the pointer argument passed in by-reference."
+    return args[offset]._obj
+
+
+# ### String checking Routines ###
+def check_const_string(result, func, cargs, offset=None, cpl=False):
+    """
+    Similar functionality to `check_string`, but does not free the pointer.
+    """
+    if offset:
+        check_err(result, cpl=cpl)
+        ptr = ptr_byref(cargs, offset)
+        return ptr.value
+    else:
+        return result
+
+
+def check_string(result, func, cargs, offset=-1, str_result=False):
+    """
+    Check the string output returned from the given function, and free
+    the string pointer allocated by OGR.  The `str_result` keyword
+    may be used when the result is the string pointer, otherwise
+    the OGR error code is assumed.  The `offset` keyword may be used
+    to extract the string pointer passed in by-reference at the given
+    slice offset in the function arguments.
+    """
+    if str_result:
+        # For routines that return a string.
+        ptr = result
+        if not ptr:
+            s = None
+        else:
+            s = string_at(result)
+    else:
+        # Error-code return specified.
+        check_err(result)
+        ptr = ptr_byref(cargs, offset)
+        # Getting the string value
+        s = ptr.value
+    # Correctly freeing the allocated memory behind GDAL pointer
+    # with the VSIFree routine.
+    if ptr:
+        lgdal.VSIFree(ptr)
+    return s
+
+
+# ### DataSource, Layer error-checking ###
+
+
+# ### Envelope checking ###
+def check_envelope(result, func, cargs, offset=-1):
+    "Check a function that returns an OGR Envelope by reference."
+    return ptr_byref(cargs, offset)
+
+
+# ### Geometry error-checking routines ###
+def check_geom(result, func, cargs):
+    "Check a function that returns a geometry."
+    # OGR_G_Clone may return an integer, even though the
+    # restype is set to c_void_p
+    if isinstance(result, int):
+        result = c_void_p(result)
+    if not result:
+        raise GDALException(
+            'Invalid geometry pointer returned from "%s".' % func.__name__
+        )
+    return result
+
+
+def check_geom_offset(result, func, cargs, offset=-1):
+    "Check the geometry at the given offset in the C parameter list."
+    check_err(result)
+    geom = ptr_byref(cargs, offset=offset)
+    return check_geom(geom, func, cargs)
+
+
+# ### Spatial Reference error-checking routines ###
+def check_srs(result, func, cargs):
+    if isinstance(result, int):
+        result = c_void_p(result)
+    if not result:
+        raise SRSException(
+            'Invalid spatial reference pointer returned from "%s".' % func.__name__
+        )
+    return result
+
+
+# ### Other error-checking routines ###
+def check_arg_errcode(result, func, cargs, cpl=False):
+    """
+    The error code is returned in the last argument, by reference.
+    Check its value with `check_err` before returning the result.
+    """
+    check_err(arg_byref(cargs), cpl=cpl)
+    return result
+
+
+def check_errcode(result, func, cargs, cpl=False):
+    """
+    Check the error code returned (c_int).
+    """
+    check_err(result, cpl=cpl)
+
+
+def check_pointer(result, func, cargs):
+    "Make sure the result pointer is valid."
+    if isinstance(result, int):
+        result = c_void_p(result)
+    if result:
+        return result
+    else:
+        raise GDALException('Invalid pointer returned from "%s"' % func.__name__)
+
+
+def check_str_arg(result, func, cargs):
+    """
+    This is for the OSRGet[Angular|Linear]Units functions, which
+    require that the returned string pointer not be freed.  This
+    returns both the double and string values.
+    """
+    dbl = result
+    ptr = cargs[-1]._obj
+    return dbl, ptr.value.decode()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/generation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/generation.py
new file mode 100644
index 00000000..4d34a96e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/generation.py
@@ -0,0 +1,178 @@
+"""
+ This module contains functions that generate ctypes prototypes for the
+ GDAL routines.
+"""
+
+from ctypes import POINTER, c_bool, c_char_p, c_double, c_int, c_int64, c_void_p
+from functools import partial
+
+from django.contrib.gis.gdal.prototypes.errcheck import (
+    check_arg_errcode,
+    check_const_string,
+    check_errcode,
+    check_geom,
+    check_geom_offset,
+    check_pointer,
+    check_srs,
+    check_str_arg,
+    check_string,
+)
+
+
+class gdal_char_p(c_char_p):
+    pass
+
+
+def bool_output(func, argtypes, errcheck=None):
+    """Generate a ctypes function that returns a boolean value."""
+    func.argtypes = argtypes
+    func.restype = c_bool
+    if errcheck:
+        func.errcheck = errcheck
+    return func
+
+
+def double_output(func, argtypes, errcheck=False, strarg=False, cpl=False):
+    "Generate a ctypes function that returns a double value."
+    func.argtypes = argtypes
+    func.restype = c_double
+    if errcheck:
+        func.errcheck = partial(check_arg_errcode, cpl=cpl)
+    if strarg:
+        func.errcheck = check_str_arg
+    return func
+
+
+def geom_output(func, argtypes, offset=None):
+    """
+    Generate a function that returns a Geometry either by reference
+    or directly (if the return_geom keyword is set to True).
+    """
+    # Setting the argument types
+    func.argtypes = argtypes
+
+    if not offset:
+        # When a geometry pointer is directly returned.
+        func.restype = c_void_p
+        func.errcheck = check_geom
+    else:
+        # Error code returned, geometry is returned by-reference.
+        func.restype = c_int
+
+        def geomerrcheck(result, func, cargs):
+            return check_geom_offset(result, func, cargs, offset)
+
+        func.errcheck = geomerrcheck
+
+    return func
+
+
+def int_output(func, argtypes, errcheck=None):
+    "Generate a ctypes function that returns an integer value."
+    func.argtypes = argtypes
+    func.restype = c_int
+    if errcheck:
+        func.errcheck = errcheck
+    return func
+
+
+def int64_output(func, argtypes):
+    "Generate a ctypes function that returns a 64-bit integer value."
+    func.argtypes = argtypes
+    func.restype = c_int64
+    return func
+
+
+def srs_output(func, argtypes):
+    """
+    Generate a ctypes prototype for the given function with
+    the given C arguments that returns a pointer to an OGR
+    Spatial Reference System.
+    """
+    func.argtypes = argtypes
+    func.restype = c_void_p
+    func.errcheck = check_srs
+    return func
+
+
+def const_string_output(func, argtypes, offset=None, decoding=None, cpl=False):
+    func.argtypes = argtypes
+    if offset:
+        func.restype = c_int
+    else:
+        func.restype = c_char_p
+
+    def _check_const(result, func, cargs):
+        res = check_const_string(result, func, cargs, offset=offset, cpl=cpl)
+        if res and decoding:
+            res = res.decode(decoding)
+        return res
+
+    func.errcheck = _check_const
+
+    return func
+
+
+def string_output(func, argtypes, offset=-1, str_result=False, decoding=None):
+    """
+    Generate a ctypes prototype for the given function with the
+    given argument types that returns a string from a GDAL pointer.
+    The `const` flag indicates whether the allocated pointer should
+    be freed via the GDAL library routine VSIFree -- but only applies
+    only when `str_result` is True.
+    """
+    func.argtypes = argtypes
+    if str_result:
+        # Use subclass of c_char_p so the error checking routine
+        # can free the memory at the pointer's address.
+        func.restype = gdal_char_p
+    else:
+        # Error code is returned
+        func.restype = c_int
+
+    # Dynamically defining our error-checking function with the
+    # given offset.
+    def _check_str(result, func, cargs):
+        res = check_string(result, func, cargs, offset=offset, str_result=str_result)
+        if res and decoding:
+            res = res.decode(decoding)
+        return res
+
+    func.errcheck = _check_str
+    return func
+
+
+def void_output(func, argtypes, errcheck=True, cpl=False):
+    """
+    For functions that don't only return an error code that needs to
+    be examined.
+    """
+    if argtypes:
+        func.argtypes = argtypes
+    if errcheck:
+        # `errcheck` keyword may be set to False for routines that
+        # return void, rather than a status code.
+        func.restype = c_int
+        func.errcheck = partial(check_errcode, cpl=cpl)
+    else:
+        func.restype = None
+
+    return func
+
+
+def voidptr_output(func, argtypes, errcheck=True):
+    "For functions that return c_void_p."
+    func.argtypes = argtypes
+    func.restype = c_void_p
+    if errcheck:
+        func.errcheck = check_pointer
+    return func
+
+
+def chararray_output(func, argtypes, errcheck=True):
+    """For functions that return a c_char_p array."""
+    func.argtypes = argtypes
+    func.restype = POINTER(c_char_p)
+    if errcheck:
+        func.errcheck = check_pointer
+    return func
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/geom.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/geom.py
new file mode 100644
index 00000000..06c2a75f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/geom.py
@@ -0,0 +1,139 @@
+from ctypes import POINTER, c_char_p, c_double, c_int, c_void_p
+
+from django.contrib.gis.gdal.envelope import OGREnvelope
+from django.contrib.gis.gdal.libgdal import lgdal
+from django.contrib.gis.gdal.prototypes.errcheck import check_envelope
+from django.contrib.gis.gdal.prototypes.generation import (
+    const_string_output,
+    double_output,
+    geom_output,
+    int_output,
+    srs_output,
+    string_output,
+    void_output,
+)
+
+
+# ### Generation routines specific to this module ###
+def env_func(f, argtypes):
+    "For getting OGREnvelopes."
+    f.argtypes = argtypes
+    f.restype = None
+    f.errcheck = check_envelope
+    return f
+
+
+def pnt_func(f):
+    "For accessing point information."
+    return double_output(f, [c_void_p, c_int])
+
+
+def topology_func(f):
+    f.argtypes = [c_void_p, c_void_p]
+    f.restype = c_int
+    f.errcheck = lambda result, func, cargs: bool(result)
+    return f
+
+
+# ### OGR_G ctypes function prototypes ###
+
+# GeoJSON routines.
+from_json = geom_output(lgdal.OGR_G_CreateGeometryFromJson, [c_char_p])
+to_json = string_output(
+    lgdal.OGR_G_ExportToJson, [c_void_p], str_result=True, decoding="ascii"
+)
+to_kml = string_output(
+    lgdal.OGR_G_ExportToKML, [c_void_p, c_char_p], str_result=True, decoding="ascii"
+)
+
+# GetX, GetY, GetZ all return doubles.
+getx = pnt_func(lgdal.OGR_G_GetX)
+gety = pnt_func(lgdal.OGR_G_GetY)
+getz = pnt_func(lgdal.OGR_G_GetZ)
+
+# Geometry creation routines.
+from_wkb = geom_output(
+    lgdal.OGR_G_CreateFromWkb, [c_char_p, c_void_p, POINTER(c_void_p), c_int], offset=-2
+)
+from_wkt = geom_output(
+    lgdal.OGR_G_CreateFromWkt,
+    [POINTER(c_char_p), c_void_p, POINTER(c_void_p)],
+    offset=-1,
+)
+from_gml = geom_output(lgdal.OGR_G_CreateFromGML, [c_char_p])
+create_geom = geom_output(lgdal.OGR_G_CreateGeometry, [c_int])
+clone_geom = geom_output(lgdal.OGR_G_Clone, [c_void_p])
+get_geom_ref = geom_output(lgdal.OGR_G_GetGeometryRef, [c_void_p, c_int])
+get_boundary = geom_output(lgdal.OGR_G_GetBoundary, [c_void_p])
+geom_convex_hull = geom_output(lgdal.OGR_G_ConvexHull, [c_void_p])
+geom_diff = geom_output(lgdal.OGR_G_Difference, [c_void_p, c_void_p])
+geom_intersection = geom_output(lgdal.OGR_G_Intersection, [c_void_p, c_void_p])
+geom_sym_diff = geom_output(lgdal.OGR_G_SymmetricDifference, [c_void_p, c_void_p])
+geom_union = geom_output(lgdal.OGR_G_Union, [c_void_p, c_void_p])
+
+# Geometry modification routines.
+add_geom = void_output(lgdal.OGR_G_AddGeometry, [c_void_p, c_void_p])
+import_wkt = void_output(lgdal.OGR_G_ImportFromWkt, [c_void_p, POINTER(c_char_p)])
+
+# Destroys a geometry
+destroy_geom = void_output(lgdal.OGR_G_DestroyGeometry, [c_void_p], errcheck=False)
+
+# Geometry export routines.
+to_wkb = void_output(
+    lgdal.OGR_G_ExportToWkb, None, errcheck=True
+)  # special handling for WKB.
+to_wkt = string_output(
+    lgdal.OGR_G_ExportToWkt, [c_void_p, POINTER(c_char_p)], decoding="ascii"
+)
+to_gml = string_output(
+    lgdal.OGR_G_ExportToGML, [c_void_p], str_result=True, decoding="ascii"
+)
+get_wkbsize = int_output(lgdal.OGR_G_WkbSize, [c_void_p])
+
+# Geometry spatial-reference related routines.
+assign_srs = void_output(
+    lgdal.OGR_G_AssignSpatialReference, [c_void_p, c_void_p], errcheck=False
+)
+get_geom_srs = srs_output(lgdal.OGR_G_GetSpatialReference, [c_void_p])
+
+# Geometry properties
+get_area = double_output(lgdal.OGR_G_GetArea, [c_void_p])
+get_centroid = void_output(lgdal.OGR_G_Centroid, [c_void_p, c_void_p])
+get_dims = int_output(lgdal.OGR_G_GetDimension, [c_void_p])
+get_coord_dim = int_output(lgdal.OGR_G_GetCoordinateDimension, [c_void_p])
+set_coord_dim = void_output(
+    lgdal.OGR_G_SetCoordinateDimension, [c_void_p, c_int], errcheck=False
+)
+is_empty = int_output(
+    lgdal.OGR_G_IsEmpty, [c_void_p], errcheck=lambda result, func, cargs: bool(result)
+)
+
+get_geom_count = int_output(lgdal.OGR_G_GetGeometryCount, [c_void_p])
+get_geom_name = const_string_output(
+    lgdal.OGR_G_GetGeometryName, [c_void_p], decoding="ascii"
+)
+get_geom_type = int_output(lgdal.OGR_G_GetGeometryType, [c_void_p])
+get_point_count = int_output(lgdal.OGR_G_GetPointCount, [c_void_p])
+get_point = void_output(
+    lgdal.OGR_G_GetPoint,
+    [c_void_p, c_int, POINTER(c_double), POINTER(c_double), POINTER(c_double)],
+    errcheck=False,
+)
+geom_close_rings = void_output(lgdal.OGR_G_CloseRings, [c_void_p], errcheck=False)
+
+# Topology routines.
+ogr_contains = topology_func(lgdal.OGR_G_Contains)
+ogr_crosses = topology_func(lgdal.OGR_G_Crosses)
+ogr_disjoint = topology_func(lgdal.OGR_G_Disjoint)
+ogr_equals = topology_func(lgdal.OGR_G_Equals)
+ogr_intersects = topology_func(lgdal.OGR_G_Intersects)
+ogr_overlaps = topology_func(lgdal.OGR_G_Overlaps)
+ogr_touches = topology_func(lgdal.OGR_G_Touches)
+ogr_within = topology_func(lgdal.OGR_G_Within)
+
+# Transformation routines.
+geom_transform = void_output(lgdal.OGR_G_Transform, [c_void_p, c_void_p])
+geom_transform_to = void_output(lgdal.OGR_G_TransformTo, [c_void_p, c_void_p])
+
+# For retrieving the envelope of the geometry.
+get_envelope = env_func(lgdal.OGR_G_GetEnvelope, [c_void_p, POINTER(OGREnvelope)])
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/raster.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/raster.py
new file mode 100644
index 00000000..b7871d19
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/raster.py
@@ -0,0 +1,178 @@
+"""
+This module houses the ctypes function prototypes for GDAL DataSource (raster)
+related data structures.
+"""
+
+from ctypes import POINTER, c_bool, c_char_p, c_double, c_int, c_void_p
+from functools import partial
+
+from django.contrib.gis.gdal.libgdal import std_call
+from django.contrib.gis.gdal.prototypes.generation import (
+    chararray_output,
+    const_string_output,
+    double_output,
+    int_output,
+    void_output,
+    voidptr_output,
+)
+
+# For more detail about c function names and definitions see
+# https://gdal.org/api/raster_c_api.html
+# https://gdal.org/doxygen/gdalwarper_8h.html
+# https://gdal.org/api/gdal_utils.html
+
+# Prepare partial functions that use cpl error codes
+void_output = partial(void_output, cpl=True)
+const_string_output = partial(const_string_output, cpl=True)
+double_output = partial(double_output, cpl=True)
+
+# Raster Driver Routines
+register_all = void_output(std_call("GDALAllRegister"), [], errcheck=False)
+get_driver = voidptr_output(std_call("GDALGetDriver"), [c_int])
+get_driver_by_name = voidptr_output(
+    std_call("GDALGetDriverByName"), [c_char_p], errcheck=False
+)
+get_driver_count = int_output(std_call("GDALGetDriverCount"), [])
+get_driver_description = const_string_output(std_call("GDALGetDescription"), [c_void_p])
+
+# Raster Data Source Routines
+create_ds = voidptr_output(
+    std_call("GDALCreate"), [c_void_p, c_char_p, c_int, c_int, c_int, c_int, c_void_p]
+)
+open_ds = voidptr_output(std_call("GDALOpen"), [c_char_p, c_int])
+close_ds = void_output(std_call("GDALClose"), [c_void_p], errcheck=False)
+flush_ds = int_output(std_call("GDALFlushCache"), [c_void_p])
+copy_ds = voidptr_output(
+    std_call("GDALCreateCopy"),
+    [c_void_p, c_char_p, c_void_p, c_int, POINTER(c_char_p), c_void_p, c_void_p],
+)
+add_band_ds = void_output(std_call("GDALAddBand"), [c_void_p, c_int])
+get_ds_description = const_string_output(std_call("GDALGetDescription"), [c_void_p])
+get_ds_driver = voidptr_output(std_call("GDALGetDatasetDriver"), [c_void_p])
+get_ds_info = const_string_output(std_call("GDALInfo"), [c_void_p, c_void_p])
+get_ds_xsize = int_output(std_call("GDALGetRasterXSize"), [c_void_p])
+get_ds_ysize = int_output(std_call("GDALGetRasterYSize"), [c_void_p])
+get_ds_raster_count = int_output(std_call("GDALGetRasterCount"), [c_void_p])
+get_ds_raster_band = voidptr_output(std_call("GDALGetRasterBand"), [c_void_p, c_int])
+get_ds_projection_ref = const_string_output(
+    std_call("GDALGetProjectionRef"), [c_void_p]
+)
+set_ds_projection_ref = void_output(std_call("GDALSetProjection"), [c_void_p, c_char_p])
+get_ds_geotransform = void_output(
+    std_call("GDALGetGeoTransform"), [c_void_p, POINTER(c_double * 6)], errcheck=False
+)
+set_ds_geotransform = void_output(
+    std_call("GDALSetGeoTransform"), [c_void_p, POINTER(c_double * 6)]
+)
+
+get_ds_metadata = chararray_output(
+    std_call("GDALGetMetadata"), [c_void_p, c_char_p], errcheck=False
+)
+set_ds_metadata = void_output(
+    std_call("GDALSetMetadata"), [c_void_p, POINTER(c_char_p), c_char_p]
+)
+get_ds_metadata_domain_list = chararray_output(
+    std_call("GDALGetMetadataDomainList"), [c_void_p], errcheck=False
+)
+get_ds_metadata_item = const_string_output(
+    std_call("GDALGetMetadataItem"), [c_void_p, c_char_p, c_char_p]
+)
+set_ds_metadata_item = const_string_output(
+    std_call("GDALSetMetadataItem"), [c_void_p, c_char_p, c_char_p, c_char_p]
+)
+free_dsl = void_output(std_call("CSLDestroy"), [POINTER(c_char_p)], errcheck=False)
+
+# Raster Band Routines
+band_io = void_output(
+    std_call("GDALRasterIO"),
+    [
+        c_void_p,
+        c_int,
+        c_int,
+        c_int,
+        c_int,
+        c_int,
+        c_void_p,
+        c_int,
+        c_int,
+        c_int,
+        c_int,
+        c_int,
+    ],
+)
+get_band_xsize = int_output(std_call("GDALGetRasterBandXSize"), [c_void_p])
+get_band_ysize = int_output(std_call("GDALGetRasterBandYSize"), [c_void_p])
+get_band_index = int_output(std_call("GDALGetBandNumber"), [c_void_p])
+get_band_description = const_string_output(std_call("GDALGetDescription"), [c_void_p])
+get_band_ds = voidptr_output(std_call("GDALGetBandDataset"), [c_void_p])
+get_band_datatype = int_output(std_call("GDALGetRasterDataType"), [c_void_p])
+get_band_color_interp = int_output(
+    std_call("GDALGetRasterColorInterpretation"), [c_void_p]
+)
+get_band_nodata_value = double_output(
+    std_call("GDALGetRasterNoDataValue"), [c_void_p, POINTER(c_int)]
+)
+set_band_nodata_value = void_output(
+    std_call("GDALSetRasterNoDataValue"), [c_void_p, c_double]
+)
+delete_band_nodata_value = void_output(
+    std_call("GDALDeleteRasterNoDataValue"), [c_void_p]
+)
+get_band_statistics = void_output(
+    std_call("GDALGetRasterStatistics"),
+    [
+        c_void_p,
+        c_int,
+        c_int,
+        POINTER(c_double),
+        POINTER(c_double),
+        POINTER(c_double),
+        POINTER(c_double),
+        c_void_p,
+        c_void_p,
+    ],
+)
+compute_band_statistics = void_output(
+    std_call("GDALComputeRasterStatistics"),
+    [
+        c_void_p,
+        c_int,
+        POINTER(c_double),
+        POINTER(c_double),
+        POINTER(c_double),
+        POINTER(c_double),
+        c_void_p,
+        c_void_p,
+    ],
+)
+
+# Reprojection routine
+reproject_image = void_output(
+    std_call("GDALReprojectImage"),
+    [
+        c_void_p,
+        c_char_p,
+        c_void_p,
+        c_char_p,
+        c_int,
+        c_double,
+        c_double,
+        c_void_p,
+        c_void_p,
+        c_void_p,
+    ],
+)
+auto_create_warped_vrt = voidptr_output(
+    std_call("GDALAutoCreateWarpedVRT"),
+    [c_void_p, c_char_p, c_char_p, c_int, c_double, c_void_p],
+)
+
+# Create VSI gdal raster files from in-memory buffers.
+# https://gdal.org/api/cpl.html#cpl-vsi-h
+create_vsi_file_from_mem_buffer = voidptr_output(
+    std_call("VSIFileFromMemBuffer"), [c_char_p, c_void_p, c_int, c_int]
+)
+get_mem_buffer_from_vsi_file = voidptr_output(
+    std_call("VSIGetMemFileBuffer"), [c_char_p, POINTER(c_int), c_bool]
+)
+unlink_vsi_file = int_output(std_call("VSIUnlink"), [c_char_p])
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/srs.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/srs.py
new file mode 100644
index 00000000..721eba86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/prototypes/srs.py
@@ -0,0 +1,109 @@
+from ctypes import POINTER, c_char_p, c_int, c_void_p
+
+from django.contrib.gis.gdal.libgdal import GDAL_VERSION, lgdal, std_call
+from django.contrib.gis.gdal.prototypes.generation import (
+    const_string_output,
+    double_output,
+    int_output,
+    srs_output,
+    string_output,
+    void_output,
+)
+
+
+# Shortcut generation for routines with known parameters.
+def srs_double(f):
+    """
+    Create a function prototype for the OSR routines that take
+    the OSRSpatialReference object and return a double value.
+    """
+    return double_output(f, [c_void_p, POINTER(c_int)], errcheck=True)
+
+
+def units_func(f):
+    """
+    Create a ctypes function prototype for OSR units functions, e.g.,
+    OSRGetAngularUnits, OSRGetLinearUnits.
+    """
+    return double_output(f, [c_void_p, POINTER(c_char_p)], strarg=True)
+
+
+# Creation & destruction.
+clone_srs = srs_output(std_call("OSRClone"), [c_void_p])
+new_srs = srs_output(std_call("OSRNewSpatialReference"), [c_char_p])
+release_srs = void_output(lgdal.OSRRelease, [c_void_p], errcheck=False)
+destroy_srs = void_output(
+    std_call("OSRDestroySpatialReference"), [c_void_p], errcheck=False
+)
+srs_validate = void_output(lgdal.OSRValidate, [c_void_p])
+
+if GDAL_VERSION >= (3, 0):
+    set_axis_strategy = void_output(
+        lgdal.OSRSetAxisMappingStrategy, [c_void_p, c_int], errcheck=False
+    )
+
+# Getting the semi_major, semi_minor, and flattening functions.
+semi_major = srs_double(lgdal.OSRGetSemiMajor)
+semi_minor = srs_double(lgdal.OSRGetSemiMinor)
+invflattening = srs_double(lgdal.OSRGetInvFlattening)
+
+# WKT, PROJ, EPSG, XML importation routines.
+from_wkt = void_output(lgdal.OSRImportFromWkt, [c_void_p, POINTER(c_char_p)])
+from_proj = void_output(lgdal.OSRImportFromProj4, [c_void_p, c_char_p])
+from_epsg = void_output(std_call("OSRImportFromEPSG"), [c_void_p, c_int])
+from_xml = void_output(lgdal.OSRImportFromXML, [c_void_p, c_char_p])
+from_user_input = void_output(std_call("OSRSetFromUserInput"), [c_void_p, c_char_p])
+
+# Morphing to/from ESRI WKT.
+morph_to_esri = void_output(lgdal.OSRMorphToESRI, [c_void_p])
+morph_from_esri = void_output(lgdal.OSRMorphFromESRI, [c_void_p])
+
+# Identifying the EPSG
+identify_epsg = void_output(lgdal.OSRAutoIdentifyEPSG, [c_void_p])
+
+# Getting the angular_units, linear_units functions
+linear_units = units_func(lgdal.OSRGetLinearUnits)
+angular_units = units_func(lgdal.OSRGetAngularUnits)
+
+# For exporting to WKT, PROJ, "Pretty" WKT, and XML.
+to_wkt = string_output(
+    std_call("OSRExportToWkt"), [c_void_p, POINTER(c_char_p)], decoding="utf-8"
+)
+to_proj = string_output(
+    std_call("OSRExportToProj4"), [c_void_p, POINTER(c_char_p)], decoding="ascii"
+)
+to_pretty_wkt = string_output(
+    std_call("OSRExportToPrettyWkt"),
+    [c_void_p, POINTER(c_char_p), c_int],
+    offset=-2,
+    decoding="utf-8",
+)
+
+to_xml = string_output(
+    lgdal.OSRExportToXML,
+    [c_void_p, POINTER(c_char_p), c_char_p],
+    offset=-2,
+    decoding="utf-8",
+)
+
+# String attribute retrieval routines.
+get_attr_value = const_string_output(
+    std_call("OSRGetAttrValue"), [c_void_p, c_char_p, c_int], decoding="utf-8"
+)
+get_auth_name = const_string_output(
+    lgdal.OSRGetAuthorityName, [c_void_p, c_char_p], decoding="ascii"
+)
+get_auth_code = const_string_output(
+    lgdal.OSRGetAuthorityCode, [c_void_p, c_char_p], decoding="ascii"
+)
+
+# SRS Properties
+isgeographic = int_output(lgdal.OSRIsGeographic, [c_void_p])
+islocal = int_output(lgdal.OSRIsLocal, [c_void_p])
+isprojected = int_output(lgdal.OSRIsProjected, [c_void_p])
+
+# Coordinate transformation
+new_ct = srs_output(std_call("OCTNewCoordinateTransformation"), [c_void_p, c_void_p])
+destroy_ct = void_output(
+    std_call("OCTDestroyCoordinateTransformation"), [c_void_p], errcheck=False
+)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/band.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/band.py
new file mode 100644
index 00000000..c3ec9606
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/band.py
@@ -0,0 +1,273 @@
+from ctypes import byref, c_double, c_int, c_void_p
+
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.gdal.prototypes import raster as capi
+from django.contrib.gis.gdal.raster.base import GDALRasterBase
+from django.contrib.gis.shortcuts import numpy
+from django.utils.encoding import force_str
+
+from .const import (
+    GDAL_COLOR_TYPES,
+    GDAL_INTEGER_TYPES,
+    GDAL_PIXEL_TYPES,
+    GDAL_TO_CTYPES,
+)
+
+
+class GDALBand(GDALRasterBase):
+    """
+    Wrap a GDAL raster band, needs to be obtained from a GDALRaster object.
+    """
+
+    def __init__(self, source, index):
+        self.source = source
+        self._ptr = capi.get_ds_raster_band(source._ptr, index)
+
+    def _flush(self):
+        """
+        Call the flush method on the Band's parent raster and force a refresh
+        of the statistics attribute when requested the next time.
+        """
+        self.source._flush()
+        self._stats_refresh = True
+
+    @property
+    def description(self):
+        """
+        Return the description string of the band.
+        """
+        return force_str(capi.get_band_description(self._ptr))
+
+    @property
+    def width(self):
+        """
+        Width (X axis) in pixels of the band.
+        """
+        return capi.get_band_xsize(self._ptr)
+
+    @property
+    def height(self):
+        """
+        Height (Y axis) in pixels of the band.
+        """
+        return capi.get_band_ysize(self._ptr)
+
+    @property
+    def pixel_count(self):
+        """
+        Return the total number of pixels in this band.
+        """
+        return self.width * self.height
+
+    _stats_refresh = False
+
+    def statistics(self, refresh=False, approximate=False):
+        """
+        Compute statistics on the pixel values of this band.
+
+        The return value is a tuple with the following structure:
+        (minimum, maximum, mean, standard deviation).
+
+        If approximate=True, the statistics may be computed based on overviews
+        or a subset of image tiles.
+
+        If refresh=True, the statistics will be computed from the data directly,
+        and the cache will be updated where applicable.
+
+        For empty bands (where all pixel values are nodata), all statistics
+        values are returned as None.
+
+        For raster formats using Persistent Auxiliary Metadata (PAM) services,
+        the statistics might be cached in an auxiliary file.
+        """
+        # Prepare array with arguments for capi function
+        smin, smax, smean, sstd = c_double(), c_double(), c_double(), c_double()
+        stats_args = [
+            self._ptr,
+            c_int(approximate),
+            byref(smin),
+            byref(smax),
+            byref(smean),
+            byref(sstd),
+            c_void_p(),
+            c_void_p(),
+        ]
+
+        if refresh or self._stats_refresh:
+            func = capi.compute_band_statistics
+        else:
+            # Add additional argument to force computation if there is no
+            # existing PAM file to take the values from.
+            force = True
+            stats_args.insert(2, c_int(force))
+            func = capi.get_band_statistics
+
+        # Computation of statistics fails for empty bands.
+        try:
+            func(*stats_args)
+            result = smin.value, smax.value, smean.value, sstd.value
+        except GDALException:
+            result = (None, None, None, None)
+
+        self._stats_refresh = False
+
+        return result
+
+    @property
+    def min(self):
+        """
+        Return the minimum pixel value for this band.
+        """
+        return self.statistics()[0]
+
+    @property
+    def max(self):
+        """
+        Return the maximum pixel value for this band.
+        """
+        return self.statistics()[1]
+
+    @property
+    def mean(self):
+        """
+        Return the mean of all pixel values of this band.
+        """
+        return self.statistics()[2]
+
+    @property
+    def std(self):
+        """
+        Return the standard deviation of all pixel values of this band.
+        """
+        return self.statistics()[3]
+
+    @property
+    def nodata_value(self):
+        """
+        Return the nodata value for this band, or None if it isn't set.
+        """
+        # Get value and nodata exists flag
+        nodata_exists = c_int()
+        value = capi.get_band_nodata_value(self._ptr, nodata_exists)
+        if not nodata_exists:
+            value = None
+        # If the pixeltype is an integer, convert to int
+        elif self.datatype() in GDAL_INTEGER_TYPES:
+            value = int(value)
+        return value
+
+    @nodata_value.setter
+    def nodata_value(self, value):
+        """
+        Set the nodata value for this band.
+        """
+        if value is None:
+            capi.delete_band_nodata_value(self._ptr)
+        elif not isinstance(value, (int, float)):
+            raise ValueError("Nodata value must be numeric or None.")
+        else:
+            capi.set_band_nodata_value(self._ptr, value)
+        self._flush()
+
+    def datatype(self, as_string=False):
+        """
+        Return the GDAL Pixel Datatype for this band.
+        """
+        dtype = capi.get_band_datatype(self._ptr)
+        if as_string:
+            dtype = GDAL_PIXEL_TYPES[dtype]
+        return dtype
+
+    def color_interp(self, as_string=False):
+        """Return the GDAL color interpretation for this band."""
+        color = capi.get_band_color_interp(self._ptr)
+        if as_string:
+            color = GDAL_COLOR_TYPES[color]
+        return color
+
+    def data(self, data=None, offset=None, size=None, shape=None, as_memoryview=False):
+        """
+        Read or writes pixel values for this band. Blocks of data can
+        be accessed by specifying the width, height and offset of the
+        desired block. The same specification can be used to update
+        parts of a raster by providing an array of values.
+
+        Allowed input data types are bytes, memoryview, list, tuple, and array.
+        """
+        offset = offset or (0, 0)
+        size = size or (self.width - offset[0], self.height - offset[1])
+        shape = shape or size
+        if any(x <= 0 for x in size):
+            raise ValueError("Offset too big for this raster.")
+
+        if size[0] > self.width or size[1] > self.height:
+            raise ValueError("Size is larger than raster.")
+
+        # Create ctypes type array generator
+        ctypes_array = GDAL_TO_CTYPES[self.datatype()] * (shape[0] * shape[1])
+
+        if data is None:
+            # Set read mode
+            access_flag = 0
+            # Prepare empty ctypes array
+            data_array = ctypes_array()
+        else:
+            # Set write mode
+            access_flag = 1
+
+            # Instantiate ctypes array holding the input data
+            if isinstance(data, (bytes, memoryview)) or (
+                numpy and isinstance(data, numpy.ndarray)
+            ):
+                data_array = ctypes_array.from_buffer_copy(data)
+            else:
+                data_array = ctypes_array(*data)
+
+        # Access band
+        capi.band_io(
+            self._ptr,
+            access_flag,
+            offset[0],
+            offset[1],
+            size[0],
+            size[1],
+            byref(data_array),
+            shape[0],
+            shape[1],
+            self.datatype(),
+            0,
+            0,
+        )
+
+        # Return data as numpy array if possible, otherwise as list
+        if data is None:
+            if as_memoryview:
+                return memoryview(data_array)
+            elif numpy:
+                # reshape() needs a reshape parameter with the height first.
+                return numpy.frombuffer(
+                    data_array, dtype=numpy.dtype(data_array)
+                ).reshape(tuple(reversed(size)))
+            else:
+                return list(data_array)
+        else:
+            self._flush()
+
+
+class BandList(list):
+    def __init__(self, source):
+        self.source = source
+        super().__init__()
+
+    def __iter__(self):
+        for idx in range(1, len(self) + 1):
+            yield GDALBand(self.source, idx)
+
+    def __len__(self):
+        return capi.get_ds_raster_count(self.source._ptr)
+
+    def __getitem__(self, index):
+        try:
+            return GDALBand(self.source, index + 1)
+        except GDALException:
+            raise GDALException("Unable to get band index %d" % index)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/base.py
new file mode 100644
index 00000000..3d95c90d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/base.py
@@ -0,0 +1,77 @@
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.prototypes import raster as capi
+
+
+class GDALRasterBase(GDALBase):
+    """
+    Attributes that exist on both GDALRaster and GDALBand.
+    """
+
+    @property
+    def metadata(self):
+        """
+        Return the metadata for this raster or band. The return value is a
+        nested dictionary, where the first-level key is the metadata domain and
+        the second-level is the metadata item names and values for that domain.
+        """
+        # The initial metadata domain list contains the default domain.
+        # The default is returned if domain name is None.
+        domain_list = ["DEFAULT"]
+
+        # Get additional metadata domains from the raster.
+        meta_list = capi.get_ds_metadata_domain_list(self._ptr)
+        if meta_list:
+            # The number of domains is unknown, so retrieve data until there
+            # are no more values in the ctypes array.
+            counter = 0
+            domain = meta_list[counter]
+            while domain:
+                domain_list.append(domain.decode())
+                counter += 1
+                domain = meta_list[counter]
+
+        # Free domain list array.
+        capi.free_dsl(meta_list)
+
+        # Retrieve metadata values for each domain.
+        result = {}
+        for domain in domain_list:
+            # Get metadata for this domain.
+            data = capi.get_ds_metadata(
+                self._ptr,
+                (None if domain == "DEFAULT" else domain.encode()),
+            )
+            if not data:
+                continue
+            # The number of metadata items is unknown, so retrieve data until
+            # there are no more values in the ctypes array.
+            domain_meta = {}
+            counter = 0
+            item = data[counter]
+            while item:
+                key, val = item.decode().split("=")
+                domain_meta[key] = val
+                counter += 1
+                item = data[counter]
+            # The default domain values are returned if domain is None.
+            result[domain or "DEFAULT"] = domain_meta
+        return result
+
+    @metadata.setter
+    def metadata(self, value):
+        """
+        Set the metadata. Update only the domains that are contained in the
+        value dictionary.
+        """
+        # Loop through domains.
+        for domain, metadata in value.items():
+            # Set the domain to None for the default, otherwise encode.
+            domain = None if domain == "DEFAULT" else domain.encode()
+            # Set each metadata entry separately.
+            for meta_name, meta_value in metadata.items():
+                capi.set_ds_metadata_item(
+                    self._ptr,
+                    meta_name.encode(),
+                    meta_value.encode() if meta_value else None,
+                    domain,
+                )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/const.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/const.py
new file mode 100644
index 00000000..a1ab62f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/const.py
@@ -0,0 +1,105 @@
+"""
+GDAL - Constant definitions
+"""
+
+from ctypes import (
+    c_double,
+    c_float,
+    c_int8,
+    c_int16,
+    c_int32,
+    c_int64,
+    c_ubyte,
+    c_uint16,
+    c_uint32,
+    c_uint64,
+)
+
+# See https://gdal.org/api/raster_c_api.html#_CPPv412GDALDataType
+GDAL_PIXEL_TYPES = {
+    0: "GDT_Unknown",  # Unknown or unspecified type
+    1: "GDT_Byte",  # Eight bit unsigned integer
+    2: "GDT_UInt16",  # Sixteen bit unsigned integer
+    3: "GDT_Int16",  # Sixteen bit signed integer
+    4: "GDT_UInt32",  # Thirty-two bit unsigned integer
+    5: "GDT_Int32",  # Thirty-two bit signed integer
+    6: "GDT_Float32",  # Thirty-two bit floating point
+    7: "GDT_Float64",  # Sixty-four bit floating point
+    8: "GDT_CInt16",  # Complex Int16
+    9: "GDT_CInt32",  # Complex Int32
+    10: "GDT_CFloat32",  # Complex Float32
+    11: "GDT_CFloat64",  # Complex Float64
+    12: "GDT_UInt64",  # 64 bit unsigned integer (GDAL 3.5+).
+    13: "GDT_Int64",  # 64 bit signed integer (GDAL 3.5+).
+    14: "GDT_Int8",  # 8 bit signed integer (GDAL 3.7+).
+}
+
+# A list of gdal datatypes that are integers.
+GDAL_INTEGER_TYPES = [1, 2, 3, 4, 5, 12, 13, 14]
+
+# Lookup values to convert GDAL pixel type indices into ctypes objects.
+# The GDAL band-io works with ctypes arrays to hold data to be written
+# or to hold the space for data to be read into. The lookup below helps
+# selecting the right ctypes object for a given gdal pixel type.
+GDAL_TO_CTYPES = [
+    None,
+    c_ubyte,
+    c_uint16,
+    c_int16,
+    c_uint32,
+    c_int32,
+    c_float,
+    c_double,
+    None,
+    None,
+    None,
+    None,
+    c_uint64,
+    c_int64,
+    c_int8,
+]
+
+# List of resampling algorithms that can be used to warp a GDALRaster.
+GDAL_RESAMPLE_ALGORITHMS = {
+    "NearestNeighbour": 0,
+    "Bilinear": 1,
+    "Cubic": 2,
+    "CubicSpline": 3,
+    "Lanczos": 4,
+    "Average": 5,
+    "Mode": 6,
+}
+
+# See https://gdal.org/api/raster_c_api.html#_CPPv415GDALColorInterp
+GDAL_COLOR_TYPES = {
+    0: "GCI_Undefined",  # Undefined, default value, i.e. not known
+    1: "GCI_GrayIndex",  # Grayscale
+    2: "GCI_PaletteIndex",  # Paletted
+    3: "GCI_RedBand",  # Red band of RGBA image
+    4: "GCI_GreenBand",  # Green band of RGBA image
+    5: "GCI_BlueBand",  # Blue band of RGBA image
+    6: "GCI_AlphaBand",  # Alpha (0=transparent, 255=opaque)
+    7: "GCI_HueBand",  # Hue band of HLS image
+    8: "GCI_SaturationBand",  # Saturation band of HLS image
+    9: "GCI_LightnessBand",  # Lightness band of HLS image
+    10: "GCI_CyanBand",  # Cyan band of CMYK image
+    11: "GCI_MagentaBand",  # Magenta band of CMYK image
+    12: "GCI_YellowBand",  # Yellow band of CMYK image
+    13: "GCI_BlackBand",  # Black band of CMLY image
+    14: "GCI_YCbCr_YBand",  # Y Luminance
+    15: "GCI_YCbCr_CbBand",  # Cb Chroma
+    16: "GCI_YCbCr_CrBand",  # Cr Chroma, also GCI_Max
+}
+
+# GDAL virtual filesystems prefix.
+VSI_FILESYSTEM_PREFIX = "/vsi"
+
+# Fixed base path for buffer-based GDAL in-memory files.
+VSI_MEM_FILESYSTEM_BASE_PATH = "/vsimem/"
+
+# Should the memory file system take ownership of the buffer, freeing it when
+# the file is deleted? (No, GDALRaster.__del__() will delete the buffer.)
+VSI_TAKE_BUFFER_OWNERSHIP = False
+
+# Should a VSI file be removed when retrieving its buffer?
+VSI_DELETE_BUFFER_ON_READ = False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/source.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/source.py
new file mode 100644
index 00000000..b33eb11c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/raster/source.py
@@ -0,0 +1,541 @@
+import json
+import os
+import sys
+import uuid
+from ctypes import (
+    addressof,
+    byref,
+    c_buffer,
+    c_char_p,
+    c_double,
+    c_int,
+    c_void_p,
+    string_at,
+)
+from pathlib import Path
+
+from django.contrib.gis.gdal.driver import Driver
+from django.contrib.gis.gdal.error import GDALException
+from django.contrib.gis.gdal.prototypes import raster as capi
+from django.contrib.gis.gdal.raster.band import BandList
+from django.contrib.gis.gdal.raster.base import GDALRasterBase
+from django.contrib.gis.gdal.raster.const import (
+    GDAL_RESAMPLE_ALGORITHMS,
+    VSI_DELETE_BUFFER_ON_READ,
+    VSI_FILESYSTEM_PREFIX,
+    VSI_MEM_FILESYSTEM_BASE_PATH,
+    VSI_TAKE_BUFFER_OWNERSHIP,
+)
+from django.contrib.gis.gdal.srs import SpatialReference, SRSException
+from django.contrib.gis.geometry import json_regex
+from django.utils.encoding import force_bytes, force_str
+from django.utils.functional import cached_property
+
+
+class TransformPoint(list):
+    indices = {
+        "origin": (0, 3),
+        "scale": (1, 5),
+        "skew": (2, 4),
+    }
+
+    def __init__(self, raster, prop):
+        x = raster.geotransform[self.indices[prop][0]]
+        y = raster.geotransform[self.indices[prop][1]]
+        super().__init__([x, y])
+        self._raster = raster
+        self._prop = prop
+
+    @property
+    def x(self):
+        return self[0]
+
+    @x.setter
+    def x(self, value):
+        gtf = self._raster.geotransform
+        gtf[self.indices[self._prop][0]] = value
+        self._raster.geotransform = gtf
+
+    @property
+    def y(self):
+        return self[1]
+
+    @y.setter
+    def y(self, value):
+        gtf = self._raster.geotransform
+        gtf[self.indices[self._prop][1]] = value
+        self._raster.geotransform = gtf
+
+
+class GDALRaster(GDALRasterBase):
+    """
+    Wrap a raster GDAL Data Source object.
+    """
+
+    destructor = capi.close_ds
+
+    def __init__(self, ds_input, write=False):
+        self._write = 1 if write else 0
+        Driver.ensure_registered()
+
+        # Preprocess json inputs. This converts json strings to dictionaries,
+        # which are parsed below the same way as direct dictionary inputs.
+        if isinstance(ds_input, str) and json_regex.match(ds_input):
+            ds_input = json.loads(ds_input)
+
+        # If input is a valid file path, try setting file as source.
+        if isinstance(ds_input, (str, Path)):
+            ds_input = str(ds_input)
+            if not ds_input.startswith(VSI_FILESYSTEM_PREFIX) and not os.path.exists(
+                ds_input
+            ):
+                raise GDALException(
+                    'Unable to read raster source input "%s".' % ds_input
+                )
+            try:
+                # GDALOpen will auto-detect the data source type.
+                self._ptr = capi.open_ds(force_bytes(ds_input), self._write)
+            except GDALException as err:
+                raise GDALException(
+                    'Could not open the datasource at "{}" ({}).'.format(ds_input, err)
+                )
+        elif isinstance(ds_input, bytes):
+            # Create a new raster in write mode.
+            self._write = 1
+            # Get size of buffer.
+            size = sys.getsizeof(ds_input)
+            # Pass data to ctypes, keeping a reference to the ctypes object so
+            # that the vsimem file remains available until the GDALRaster is
+            # deleted.
+            self._ds_input = c_buffer(ds_input)
+            # Create random name to reference in vsimem filesystem.
+            vsi_path = os.path.join(VSI_MEM_FILESYSTEM_BASE_PATH, str(uuid.uuid4()))
+            # Create vsimem file from buffer.
+            capi.create_vsi_file_from_mem_buffer(
+                force_bytes(vsi_path),
+                byref(self._ds_input),
+                size,
+                VSI_TAKE_BUFFER_OWNERSHIP,
+            )
+            # Open the new vsimem file as a GDALRaster.
+            try:
+                self._ptr = capi.open_ds(force_bytes(vsi_path), self._write)
+            except GDALException:
+                # Remove the broken file from the VSI filesystem.
+                capi.unlink_vsi_file(force_bytes(vsi_path))
+                raise GDALException("Failed creating VSI raster from the input buffer.")
+        elif isinstance(ds_input, dict):
+            # A new raster needs to be created in write mode
+            self._write = 1
+
+            # Create driver (in memory by default)
+            driver = Driver(ds_input.get("driver", "MEM"))
+
+            # For out of memory drivers, check filename argument
+            if driver.name != "MEM" and "name" not in ds_input:
+                raise GDALException(
+                    'Specify name for creation of raster with driver "{}".'.format(
+                        driver.name
+                    )
+                )
+
+            # Check if width and height where specified
+            if "width" not in ds_input or "height" not in ds_input:
+                raise GDALException(
+                    "Specify width and height attributes for JSON or dict input."
+                )
+
+            # Check if srid was specified
+            if "srid" not in ds_input:
+                raise GDALException("Specify srid for JSON or dict input.")
+
+            # Create null terminated gdal options array.
+            papsz_options = []
+            for key, val in ds_input.get("papsz_options", {}).items():
+                option = "{}={}".format(key, val)
+                papsz_options.append(option.upper().encode())
+            papsz_options.append(None)
+
+            # Convert papszlist to ctypes array.
+            papsz_options = (c_char_p * len(papsz_options))(*papsz_options)
+
+            # Create GDAL Raster
+            self._ptr = capi.create_ds(
+                driver._ptr,
+                force_bytes(ds_input.get("name", "")),
+                ds_input["width"],
+                ds_input["height"],
+                ds_input.get("nr_of_bands", len(ds_input.get("bands", []))),
+                ds_input.get("datatype", 6),
+                byref(papsz_options),
+            )
+
+            # Set band data if provided
+            for i, band_input in enumerate(ds_input.get("bands", [])):
+                band = self.bands[i]
+                if "nodata_value" in band_input:
+                    band.nodata_value = band_input["nodata_value"]
+                    # Instantiate band filled with nodata values if only
+                    # partial input data has been provided.
+                    if band.nodata_value is not None and (
+                        "data" not in band_input
+                        or "size" in band_input
+                        or "shape" in band_input
+                    ):
+                        band.data(data=(band.nodata_value,), shape=(1, 1))
+                # Set band data values from input.
+                band.data(
+                    data=band_input.get("data"),
+                    size=band_input.get("size"),
+                    shape=band_input.get("shape"),
+                    offset=band_input.get("offset"),
+                )
+
+            # Set SRID
+            self.srs = ds_input.get("srid")
+
+            # Set additional properties if provided
+            if "origin" in ds_input:
+                self.origin.x, self.origin.y = ds_input["origin"]
+
+            if "scale" in ds_input:
+                self.scale.x, self.scale.y = ds_input["scale"]
+
+            if "skew" in ds_input:
+                self.skew.x, self.skew.y = ds_input["skew"]
+        elif isinstance(ds_input, c_void_p):
+            # Instantiate the object using an existing pointer to a gdal raster.
+            self._ptr = ds_input
+        else:
+            raise GDALException(
+                'Invalid data source input type: "{}".'.format(type(ds_input))
+            )
+
+    def __del__(self):
+        if self.is_vsi_based:
+            # Remove the temporary file from the VSI in-memory filesystem.
+            capi.unlink_vsi_file(force_bytes(self.name))
+        super().__del__()
+
+    def __str__(self):
+        return self.name
+
+    def __repr__(self):
+        """
+        Short-hand representation because WKB may be very large.
+        """
+        return "<Raster object at %s>" % hex(addressof(self._ptr))
+
+    def _flush(self):
+        """
+        Flush all data from memory into the source file if it exists.
+        The data that needs flushing are geotransforms, coordinate systems,
+        nodata_values and pixel values. This function will be called
+        automatically wherever it is needed.
+        """
+        # Raise an Exception if the value is being changed in read mode.
+        if not self._write:
+            raise GDALException(
+                "Raster needs to be opened in write mode to change values."
+            )
+        capi.flush_ds(self._ptr)
+
+    @property
+    def vsi_buffer(self):
+        if not (
+            self.is_vsi_based and self.name.startswith(VSI_MEM_FILESYSTEM_BASE_PATH)
+        ):
+            return None
+        # Prepare an integer that will contain the buffer length.
+        out_length = c_int()
+        # Get the data using the vsi file name.
+        dat = capi.get_mem_buffer_from_vsi_file(
+            force_bytes(self.name),
+            byref(out_length),
+            VSI_DELETE_BUFFER_ON_READ,
+        )
+        # Read the full buffer pointer.
+        return string_at(dat, out_length.value)
+
+    @cached_property
+    def is_vsi_based(self):
+        return self._ptr and self.name.startswith(VSI_FILESYSTEM_PREFIX)
+
+    @property
+    def name(self):
+        """
+        Return the name of this raster. Corresponds to filename
+        for file-based rasters.
+        """
+        return force_str(capi.get_ds_description(self._ptr))
+
+    @cached_property
+    def driver(self):
+        """
+        Return the GDAL Driver used for this raster.
+        """
+        ds_driver = capi.get_ds_driver(self._ptr)
+        return Driver(ds_driver)
+
+    @property
+    def width(self):
+        """
+        Width (X axis) in pixels.
+        """
+        return capi.get_ds_xsize(self._ptr)
+
+    @property
+    def height(self):
+        """
+        Height (Y axis) in pixels.
+        """
+        return capi.get_ds_ysize(self._ptr)
+
+    @property
+    def srs(self):
+        """
+        Return the SpatialReference used in this GDALRaster.
+        """
+        try:
+            wkt = capi.get_ds_projection_ref(self._ptr)
+            if not wkt:
+                return None
+            return SpatialReference(wkt, srs_type="wkt")
+        except SRSException:
+            return None
+
+    @srs.setter
+    def srs(self, value):
+        """
+        Set the spatial reference used in this GDALRaster. The input can be
+        a SpatialReference or any parameter accepted by the SpatialReference
+        constructor.
+        """
+        if isinstance(value, SpatialReference):
+            srs = value
+        elif isinstance(value, (int, str)):
+            srs = SpatialReference(value)
+        else:
+            raise ValueError("Could not create a SpatialReference from input.")
+        capi.set_ds_projection_ref(self._ptr, srs.wkt.encode())
+        self._flush()
+
+    @property
+    def srid(self):
+        """
+        Shortcut to access the srid of this GDALRaster.
+        """
+        return self.srs.srid
+
+    @srid.setter
+    def srid(self, value):
+        """
+        Shortcut to set this GDALRaster's srs from an srid.
+        """
+        self.srs = value
+
+    @property
+    def geotransform(self):
+        """
+        Return the geotransform of the data source.
+        Return the default geotransform if it does not exist or has not been
+        set previously. The default is [0.0, 1.0, 0.0, 0.0, 0.0, -1.0].
+        """
+        # Create empty ctypes double array for data
+        gtf = (c_double * 6)()
+        capi.get_ds_geotransform(self._ptr, byref(gtf))
+        return list(gtf)
+
+    @geotransform.setter
+    def geotransform(self, values):
+        "Set the geotransform for the data source."
+        if len(values) != 6 or not all(isinstance(x, (int, float)) for x in values):
+            raise ValueError("Geotransform must consist of 6 numeric values.")
+        # Create ctypes double array with input and write data
+        values = (c_double * 6)(*values)
+        capi.set_ds_geotransform(self._ptr, byref(values))
+        self._flush()
+
+    @property
+    def origin(self):
+        """
+        Coordinates of the raster origin.
+        """
+        return TransformPoint(self, "origin")
+
+    @property
+    def scale(self):
+        """
+        Pixel scale in units of the raster projection.
+        """
+        return TransformPoint(self, "scale")
+
+    @property
+    def skew(self):
+        """
+        Skew of pixels (rotation parameters).
+        """
+        return TransformPoint(self, "skew")
+
+    @property
+    def extent(self):
+        """
+        Return the extent as a 4-tuple (xmin, ymin, xmax, ymax).
+        """
+        # Calculate boundary values based on scale and size
+        xval = self.origin.x + self.scale.x * self.width
+        yval = self.origin.y + self.scale.y * self.height
+        # Calculate min and max values
+        xmin = min(xval, self.origin.x)
+        xmax = max(xval, self.origin.x)
+        ymin = min(yval, self.origin.y)
+        ymax = max(yval, self.origin.y)
+
+        return xmin, ymin, xmax, ymax
+
+    @property
+    def bands(self):
+        return BandList(self)
+
+    def warp(self, ds_input, resampling="NearestNeighbour", max_error=0.0):
+        """
+        Return a warped GDALRaster with the given input characteristics.
+
+        The input is expected to be a dictionary containing the parameters
+        of the target raster. Allowed values are width, height, SRID, origin,
+        scale, skew, datatype, driver, and name (filename).
+
+        By default, the warp functions keeps all parameters equal to the values
+        of the original source raster. For the name of the target raster, the
+        name of the source raster will be used and appended with
+        _copy. + source_driver_name.
+
+        In addition, the resampling algorithm can be specified with the "resampling"
+        input parameter. The default is NearestNeighbor. For a list of all options
+        consult the GDAL_RESAMPLE_ALGORITHMS constant.
+        """
+        # Get the parameters defining the geotransform, srid, and size of the raster
+        ds_input.setdefault("width", self.width)
+        ds_input.setdefault("height", self.height)
+        ds_input.setdefault("srid", self.srs.srid)
+        ds_input.setdefault("origin", self.origin)
+        ds_input.setdefault("scale", self.scale)
+        ds_input.setdefault("skew", self.skew)
+        # Get the driver, name, and datatype of the target raster
+        ds_input.setdefault("driver", self.driver.name)
+
+        if "name" not in ds_input:
+            ds_input["name"] = self.name + "_copy." + self.driver.name
+
+        if "datatype" not in ds_input:
+            ds_input["datatype"] = self.bands[0].datatype()
+
+        # Instantiate raster bands filled with nodata values.
+        ds_input["bands"] = [{"nodata_value": bnd.nodata_value} for bnd in self.bands]
+
+        # Create target raster
+        target = GDALRaster(ds_input, write=True)
+
+        # Select resampling algorithm
+        algorithm = GDAL_RESAMPLE_ALGORITHMS[resampling]
+
+        # Reproject image
+        capi.reproject_image(
+            self._ptr,
+            self.srs.wkt.encode(),
+            target._ptr,
+            target.srs.wkt.encode(),
+            algorithm,
+            0.0,
+            max_error,
+            c_void_p(),
+            c_void_p(),
+            c_void_p(),
+        )
+
+        # Make sure all data is written to file
+        target._flush()
+
+        return target
+
+    def clone(self, name=None):
+        """Return a clone of this GDALRaster."""
+        if name:
+            clone_name = name
+        elif self.driver.name != "MEM":
+            clone_name = self.name + "_copy." + self.driver.name
+        else:
+            clone_name = os.path.join(VSI_MEM_FILESYSTEM_BASE_PATH, str(uuid.uuid4()))
+        return GDALRaster(
+            capi.copy_ds(
+                self.driver._ptr,
+                force_bytes(clone_name),
+                self._ptr,
+                c_int(),
+                c_char_p(),
+                c_void_p(),
+                c_void_p(),
+            ),
+            write=self._write,
+        )
+
+    def transform(
+        self, srs, driver=None, name=None, resampling="NearestNeighbour", max_error=0.0
+    ):
+        """
+        Return a copy of this raster reprojected into the given spatial
+        reference system.
+        """
+        # Convert the resampling algorithm name into an algorithm id
+        algorithm = GDAL_RESAMPLE_ALGORITHMS[resampling]
+
+        if isinstance(srs, SpatialReference):
+            target_srs = srs
+        elif isinstance(srs, (int, str)):
+            target_srs = SpatialReference(srs)
+        else:
+            raise TypeError(
+                "Transform only accepts SpatialReference, string, and integer "
+                "objects."
+            )
+
+        if target_srs.srid == self.srid and (not driver or driver == self.driver.name):
+            return self.clone(name)
+        # Create warped virtual dataset in the target reference system
+        target = capi.auto_create_warped_vrt(
+            self._ptr,
+            self.srs.wkt.encode(),
+            target_srs.wkt.encode(),
+            algorithm,
+            max_error,
+            c_void_p(),
+        )
+        target = GDALRaster(target)
+
+        # Construct the target warp dictionary from the virtual raster
+        data = {
+            "srid": target_srs.srid,
+            "width": target.width,
+            "height": target.height,
+            "origin": [target.origin.x, target.origin.y],
+            "scale": [target.scale.x, target.scale.y],
+            "skew": [target.skew.x, target.skew.y],
+        }
+
+        # Set the driver and filepath if provided
+        if driver:
+            data["driver"] = driver
+
+        if name:
+            data["name"] = name
+
+        # Warp the raster into new srid
+        return self.warp(data, resampling=resampling, max_error=max_error)
+
+    @property
+    def info(self):
+        """
+        Return information about this raster in a string format equivalent
+        to the output of the gdalinfo command line utility.
+        """
+        return capi.get_ds_info(self.ptr, None).decode()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/srs.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/srs.py
new file mode 100644
index 00000000..85f9c0a9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/gdal/srs.py
@@ -0,0 +1,366 @@
+"""
+  The Spatial Reference class, represents OGR Spatial Reference objects.
+
+  Example:
+  >>> from django.contrib.gis.gdal import SpatialReference
+  >>> srs = SpatialReference('WGS84')
+  >>> print(srs)
+  GEOGCS["WGS 84",
+      DATUM["WGS_1984",
+          SPHEROID["WGS 84",6378137,298.257223563,
+              AUTHORITY["EPSG","7030"]],
+          TOWGS84[0,0,0,0,0,0,0],
+          AUTHORITY["EPSG","6326"]],
+      PRIMEM["Greenwich",0,
+          AUTHORITY["EPSG","8901"]],
+      UNIT["degree",0.01745329251994328,
+          AUTHORITY["EPSG","9122"]],
+      AUTHORITY["EPSG","4326"]]
+  >>> print(srs.proj)
+  +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
+  >>> print(srs.ellipsoid)
+  (6378137.0, 6356752.3142451793, 298.25722356300003)
+  >>> print(srs.projected, srs.geographic)
+  False True
+  >>> srs.import_epsg(32140)
+  >>> print(srs.name)
+  NAD83 / Texas South Central
+"""
+
+from ctypes import byref, c_char_p, c_int
+from enum import IntEnum
+from types import NoneType
+
+from django.contrib.gis.gdal.base import GDALBase
+from django.contrib.gis.gdal.error import SRSException
+from django.contrib.gis.gdal.libgdal import GDAL_VERSION
+from django.contrib.gis.gdal.prototypes import srs as capi
+from django.utils.encoding import force_bytes, force_str
+
+
+class AxisOrder(IntEnum):
+    TRADITIONAL = 0
+    AUTHORITY = 1
+
+
+class SpatialReference(GDALBase):
+    """
+    A wrapper for the OGRSpatialReference object. According to the GDAL web site,
+    the SpatialReference object "provide[s] services to represent coordinate
+    systems (projections and datums) and to transform between them."
+    """
+
+    destructor = capi.release_srs
+
+    def __init__(self, srs_input="", srs_type="user", axis_order=None):
+        """
+        Create a GDAL OSR Spatial Reference object from the given input.
+        The input may be string of OGC Well Known Text (WKT), an integer
+        EPSG code, a PROJ string, and/or a projection "well known" shorthand
+        string (one of 'WGS84', 'WGS72', 'NAD27', 'NAD83').
+        """
+        if not isinstance(axis_order, (NoneType, AxisOrder)):
+            raise ValueError(
+                "SpatialReference.axis_order must be an AxisOrder instance."
+            )
+        self.axis_order = axis_order or AxisOrder.TRADITIONAL
+        if srs_type == "wkt":
+            self.ptr = capi.new_srs(c_char_p(b""))
+            self.import_wkt(srs_input)
+            if self.axis_order == AxisOrder.TRADITIONAL and GDAL_VERSION >= (3, 0):
+                capi.set_axis_strategy(self.ptr, self.axis_order)
+            elif self.axis_order != AxisOrder.TRADITIONAL and GDAL_VERSION < (3, 0):
+                raise ValueError("%s is not supported in GDAL < 3.0." % self.axis_order)
+            return
+        elif isinstance(srs_input, str):
+            try:
+                # If SRID is a string, e.g., '4326', then make acceptable
+                # as user input.
+                srid = int(srs_input)
+                srs_input = "EPSG:%d" % srid
+            except ValueError:
+                pass
+        elif isinstance(srs_input, int):
+            # EPSG integer code was input.
+            srs_type = "epsg"
+        elif isinstance(srs_input, self.ptr_type):
+            srs = srs_input
+            srs_type = "ogr"
+        else:
+            raise TypeError('Invalid SRS type "%s"' % srs_type)
+
+        if srs_type == "ogr":
+            # Input is already an SRS pointer.
+            srs = srs_input
+        else:
+            # Creating a new SRS pointer, using the string buffer.
+            buf = c_char_p(b"")
+            srs = capi.new_srs(buf)
+
+        # If the pointer is NULL, throw an exception.
+        if not srs:
+            raise SRSException(
+                "Could not create spatial reference from: %s" % srs_input
+            )
+        else:
+            self.ptr = srs
+
+        if self.axis_order == AxisOrder.TRADITIONAL and GDAL_VERSION >= (3, 0):
+            capi.set_axis_strategy(self.ptr, self.axis_order)
+        elif self.axis_order != AxisOrder.TRADITIONAL and GDAL_VERSION < (3, 0):
+            raise ValueError("%s is not supported in GDAL < 3.0." % self.axis_order)
+        # Importing from either the user input string or an integer SRID.
+        if srs_type == "user":
+            self.import_user_input(srs_input)
+        elif srs_type == "epsg":
+            self.import_epsg(srs_input)
+
+    def __getitem__(self, target):
+        """
+        Return the value of the given string attribute node, None if the node
+        doesn't exist.  Can also take a tuple as a parameter, (target, child),
+        where child is the index of the attribute in the WKT.  For example:
+
+        >>> wkt = 'GEOGCS["WGS 84", DATUM["WGS_1984, ... AUTHORITY["EPSG","4326"]]'
+        >>> srs = SpatialReference(wkt) # could also use 'WGS84', or 4326
+        >>> print(srs['GEOGCS'])
+        WGS 84
+        >>> print(srs['DATUM'])
+        WGS_1984
+        >>> print(srs['AUTHORITY'])
+        EPSG
+        >>> print(srs['AUTHORITY', 1]) # The authority value
+        4326
+        >>> print(srs['TOWGS84', 4]) # the fourth value in this wkt
+        0
+        >>> # For the units authority, have to use the pipe symbole.
+        >>> print(srs['UNIT|AUTHORITY'])
+        EPSG
+        >>> print(srs['UNIT|AUTHORITY', 1]) # The authority value for the units
+        9122
+        """
+        if isinstance(target, tuple):
+            return self.attr_value(*target)
+        else:
+            return self.attr_value(target)
+
+    def __str__(self):
+        "Use 'pretty' WKT."
+        return self.pretty_wkt
+
+    # #### SpatialReference Methods ####
+    def attr_value(self, target, index=0):
+        """
+        The attribute value for the given target node (e.g. 'PROJCS'). The index
+        keyword specifies an index of the child node to return.
+        """
+        if not isinstance(target, str) or not isinstance(index, int):
+            raise TypeError
+        return capi.get_attr_value(self.ptr, force_bytes(target), index)
+
+    def auth_name(self, target):
+        "Return the authority name for the given string target node."
+        return capi.get_auth_name(
+            self.ptr, target if target is None else force_bytes(target)
+        )
+
+    def auth_code(self, target):
+        "Return the authority code for the given string target node."
+        return capi.get_auth_code(
+            self.ptr, target if target is None else force_bytes(target)
+        )
+
+    def clone(self):
+        "Return a clone of this SpatialReference object."
+        return SpatialReference(capi.clone_srs(self.ptr), axis_order=self.axis_order)
+
+    def from_esri(self):
+        "Morph this SpatialReference from ESRI's format to EPSG."
+        capi.morph_from_esri(self.ptr)
+
+    def identify_epsg(self):
+        """
+        This method inspects the WKT of this SpatialReference, and will
+        add EPSG authority nodes where an EPSG identifier is applicable.
+        """
+        capi.identify_epsg(self.ptr)
+
+    def to_esri(self):
+        "Morph this SpatialReference to ESRI's format."
+        capi.morph_to_esri(self.ptr)
+
+    def validate(self):
+        "Check to see if the given spatial reference is valid."
+        capi.srs_validate(self.ptr)
+
+    # #### Name & SRID properties ####
+    @property
+    def name(self):
+        "Return the name of this Spatial Reference."
+        if self.projected:
+            return self.attr_value("PROJCS")
+        elif self.geographic:
+            return self.attr_value("GEOGCS")
+        elif self.local:
+            return self.attr_value("LOCAL_CS")
+        else:
+            return None
+
+    @property
+    def srid(self):
+        "Return the SRID of top-level authority, or None if undefined."
+        try:
+            return int(self.auth_code(target=None))
+        except (TypeError, ValueError):
+            return None
+
+    # #### Unit Properties ####
+    @property
+    def linear_name(self):
+        "Return the name of the linear units."
+        units, name = capi.linear_units(self.ptr, byref(c_char_p()))
+        return name
+
+    @property
+    def linear_units(self):
+        "Return the value of the linear units."
+        units, name = capi.linear_units(self.ptr, byref(c_char_p()))
+        return units
+
+    @property
+    def angular_name(self):
+        "Return the name of the angular units."
+        units, name = capi.angular_units(self.ptr, byref(c_char_p()))
+        return name
+
+    @property
+    def angular_units(self):
+        "Return the value of the angular units."
+        units, name = capi.angular_units(self.ptr, byref(c_char_p()))
+        return units
+
+    @property
+    def units(self):
+        """
+        Return a 2-tuple of the units value and the units name. Automatically
+        determine whether to return the linear or angular units.
+        """
+        units, name = None, None
+        if self.projected or self.local:
+            units, name = capi.linear_units(self.ptr, byref(c_char_p()))
+        elif self.geographic:
+            units, name = capi.angular_units(self.ptr, byref(c_char_p()))
+        if name is not None:
+            name = force_str(name)
+        return (units, name)
+
+    # #### Spheroid/Ellipsoid Properties ####
+    @property
+    def ellipsoid(self):
+        """
+        Return a tuple of the ellipsoid parameters:
+         (semimajor axis, semiminor axis, and inverse flattening)
+        """
+        return (self.semi_major, self.semi_minor, self.inverse_flattening)
+
+    @property
+    def semi_major(self):
+        "Return the Semi Major Axis for this Spatial Reference."
+        return capi.semi_major(self.ptr, byref(c_int()))
+
+    @property
+    def semi_minor(self):
+        "Return the Semi Minor Axis for this Spatial Reference."
+        return capi.semi_minor(self.ptr, byref(c_int()))
+
+    @property
+    def inverse_flattening(self):
+        "Return the Inverse Flattening for this Spatial Reference."
+        return capi.invflattening(self.ptr, byref(c_int()))
+
+    # #### Boolean Properties ####
+    @property
+    def geographic(self):
+        """
+        Return True if this SpatialReference is geographic
+         (root node is GEOGCS).
+        """
+        return bool(capi.isgeographic(self.ptr))
+
+    @property
+    def local(self):
+        "Return True if this SpatialReference is local (root node is LOCAL_CS)."
+        return bool(capi.islocal(self.ptr))
+
+    @property
+    def projected(self):
+        """
+        Return True if this SpatialReference is a projected coordinate system
+         (root node is PROJCS).
+        """
+        return bool(capi.isprojected(self.ptr))
+
+    # #### Import Routines #####
+    def import_epsg(self, epsg):
+        "Import the Spatial Reference from the EPSG code (an integer)."
+        capi.from_epsg(self.ptr, epsg)
+
+    def import_proj(self, proj):
+        """Import the Spatial Reference from a PROJ string."""
+        capi.from_proj(self.ptr, proj)
+
+    def import_user_input(self, user_input):
+        "Import the Spatial Reference from the given user input string."
+        capi.from_user_input(self.ptr, force_bytes(user_input))
+
+    def import_wkt(self, wkt):
+        "Import the Spatial Reference from OGC WKT (string)"
+        capi.from_wkt(self.ptr, byref(c_char_p(force_bytes(wkt))))
+
+    def import_xml(self, xml):
+        "Import the Spatial Reference from an XML string."
+        capi.from_xml(self.ptr, xml)
+
+    # #### Export Properties ####
+    @property
+    def wkt(self):
+        "Return the WKT representation of this Spatial Reference."
+        return capi.to_wkt(self.ptr, byref(c_char_p()))
+
+    @property
+    def pretty_wkt(self, simplify=0):
+        "Return the 'pretty' representation of the WKT."
+        return capi.to_pretty_wkt(self.ptr, byref(c_char_p()), simplify)
+
+    @property
+    def proj(self):
+        """Return the PROJ representation for this Spatial Reference."""
+        return capi.to_proj(self.ptr, byref(c_char_p()))
+
+    @property
+    def proj4(self):
+        "Alias for proj()."
+        return self.proj
+
+    @property
+    def xml(self, dialect=""):
+        "Return the XML representation of this Spatial Reference."
+        return capi.to_xml(self.ptr, byref(c_char_p()), force_bytes(dialect))
+
+
+class CoordTransform(GDALBase):
+    "The coordinate system transformation object."
+    destructor = capi.destroy_ct
+
+    def __init__(self, source, target):
+        "Initialize on a source and target SpatialReference objects."
+        if not isinstance(source, SpatialReference) or not isinstance(
+            target, SpatialReference
+        ):
+            raise TypeError("source and target must be of type SpatialReference")
+        self.ptr = capi.new_ct(source._ptr, target._ptr)
+        self._srs1_name = source.name
+        self._srs2_name = target.name
+
+    def __str__(self):
+        return 'Transform from "%s" to "%s"' % (self._srs1_name, self._srs2_name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/__init__.py
new file mode 100644
index 00000000..0df5827c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/__init__.py
@@ -0,0 +1,25 @@
+"""
+This module houses the GeoIP2 object, a wrapper for the MaxMind GeoIP2(R)
+Python API (https://geoip2.readthedocs.io/). This is an alternative to the
+Python GeoIP2 interface provided by MaxMind.
+
+GeoIP(R) is a registered trademark of MaxMind, Inc.
+
+For IP-based geolocation, this module requires the GeoLite2 Country and City
+datasets, in binary format (CSV will not work!). The datasets may be
+downloaded from MaxMind at https://dev.maxmind.com/geoip/geoip2/geolite2/.
+Grab GeoLite2-Country.mmdb.gz and GeoLite2-City.mmdb.gz, and unzip them in the
+directory corresponding to settings.GEOIP_PATH.
+"""
+
+__all__ = ["HAS_GEOIP2"]
+
+try:
+    import geoip2  # NOQA
+except ImportError:
+    HAS_GEOIP2 = False
+else:
+    from .base import GeoIP2, GeoIP2Exception
+
+    HAS_GEOIP2 = True
+    __all__ += ["GeoIP2", "GeoIP2Exception"]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/base.py
new file mode 100644
index 00000000..b360f12a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/base.py
@@ -0,0 +1,240 @@
+import socket
+
+import geoip2.database
+
+from django.conf import settings
+from django.core.exceptions import ValidationError
+from django.core.validators import validate_ipv46_address
+from django.utils._os import to_path
+
+from .resources import City, Country
+
+# Creating the settings dictionary with any settings, if needed.
+GEOIP_SETTINGS = {
+    "GEOIP_PATH": getattr(settings, "GEOIP_PATH", None),
+    "GEOIP_CITY": getattr(settings, "GEOIP_CITY", "GeoLite2-City.mmdb"),
+    "GEOIP_COUNTRY": getattr(settings, "GEOIP_COUNTRY", "GeoLite2-Country.mmdb"),
+}
+
+
+class GeoIP2Exception(Exception):
+    pass
+
+
+class GeoIP2:
+    # The flags for GeoIP memory caching.
+    # Try MODE_MMAP_EXT, MODE_MMAP, MODE_FILE in that order.
+    MODE_AUTO = 0
+    # Use the C extension with memory map.
+    MODE_MMAP_EXT = 1
+    # Read from memory map. Pure Python.
+    MODE_MMAP = 2
+    # Read database as standard file. Pure Python.
+    MODE_FILE = 4
+    # Load database into memory. Pure Python.
+    MODE_MEMORY = 8
+    cache_options = frozenset(
+        (MODE_AUTO, MODE_MMAP_EXT, MODE_MMAP, MODE_FILE, MODE_MEMORY)
+    )
+
+    # Paths to the city & country binary databases.
+    _city_file = ""
+    _country_file = ""
+
+    # Initially, pointers to GeoIP file references are NULL.
+    _city = None
+    _country = None
+
+    def __init__(self, path=None, cache=0, country=None, city=None):
+        """
+        Initialize the GeoIP object. No parameters are required to use default
+        settings. Keyword arguments may be passed in to customize the locations
+        of the GeoIP datasets.
+
+        * path: Base directory to where GeoIP data is located or the full path
+            to where the city or country data files (*.mmdb) are located.
+            Assumes that both the city and country data sets are located in
+            this directory; overrides the GEOIP_PATH setting.
+
+        * cache: The cache settings when opening up the GeoIP datasets. May be
+            an integer in (0, 1, 2, 4, 8) corresponding to the MODE_AUTO,
+            MODE_MMAP_EXT, MODE_MMAP, MODE_FILE, and MODE_MEMORY,
+            `GeoIPOptions` C API settings,  respectively. Defaults to 0,
+            meaning MODE_AUTO.
+
+        * country: The name of the GeoIP country data file. Defaults to
+            'GeoLite2-Country.mmdb'; overrides the GEOIP_COUNTRY setting.
+
+        * city: The name of the GeoIP city data file. Defaults to
+            'GeoLite2-City.mmdb'; overrides the GEOIP_CITY setting.
+        """
+        # Checking the given cache option.
+        if cache not in self.cache_options:
+            raise GeoIP2Exception("Invalid GeoIP caching option: %s" % cache)
+
+        # Getting the GeoIP data path.
+        path = path or GEOIP_SETTINGS["GEOIP_PATH"]
+        if not path:
+            raise GeoIP2Exception(
+                "GeoIP path must be provided via parameter or the GEOIP_PATH setting."
+            )
+
+        path = to_path(path)
+        if path.is_dir():
+            # Constructing the GeoIP database filenames using the settings
+            # dictionary. If the database files for the GeoLite country
+            # and/or city datasets exist, then try to open them.
+            country_db = path / (country or GEOIP_SETTINGS["GEOIP_COUNTRY"])
+            if country_db.is_file():
+                self._country = geoip2.database.Reader(str(country_db), mode=cache)
+                self._country_file = country_db
+
+            city_db = path / (city or GEOIP_SETTINGS["GEOIP_CITY"])
+            if city_db.is_file():
+                self._city = geoip2.database.Reader(str(city_db), mode=cache)
+                self._city_file = city_db
+            if not self._reader:
+                raise GeoIP2Exception("Could not load a database from %s." % path)
+        elif path.is_file():
+            # Otherwise, some detective work will be needed to figure out
+            # whether the given database path is for the GeoIP country or city
+            # databases.
+            reader = geoip2.database.Reader(str(path), mode=cache)
+            db_type = reader.metadata().database_type
+
+            if "City" in db_type:
+                # GeoLite City database detected.
+                self._city = reader
+                self._city_file = path
+            elif "Country" in db_type:
+                # GeoIP Country database detected.
+                self._country = reader
+                self._country_file = path
+            else:
+                raise GeoIP2Exception(
+                    "Unable to recognize database edition: %s" % db_type
+                )
+        else:
+            raise GeoIP2Exception("GeoIP path must be a valid file or directory.")
+
+    @property
+    def _reader(self):
+        return self._country or self._city
+
+    @property
+    def _country_or_city(self):
+        if self._country:
+            return self._country.country
+        else:
+            return self._city.city
+
+    def __del__(self):
+        # Cleanup any GeoIP file handles lying around.
+        if self._reader:
+            self._reader.close()
+
+    def __repr__(self):
+        meta = self._reader.metadata()
+        version = "[v%s.%s]" % (
+            meta.binary_format_major_version,
+            meta.binary_format_minor_version,
+        )
+        return (
+            '<%(cls)s %(version)s _country_file="%(country)s", _city_file="%(city)s">'
+            % {
+                "cls": self.__class__.__name__,
+                "version": version,
+                "country": self._country_file,
+                "city": self._city_file,
+            }
+        )
+
+    def _check_query(self, query, city=False, city_or_country=False):
+        "Check the query and database availability."
+        # Making sure a string was passed in for the query.
+        if not isinstance(query, str):
+            raise TypeError(
+                "GeoIP query must be a string, not type %s" % type(query).__name__
+            )
+
+        # Extra checks for the existence of country and city databases.
+        if city_or_country and not (self._country or self._city):
+            raise GeoIP2Exception("Invalid GeoIP country and city data files.")
+        elif city and not self._city:
+            raise GeoIP2Exception("Invalid GeoIP city data file: %s" % self._city_file)
+
+        # Return the query string back to the caller. GeoIP2 only takes IP addresses.
+        try:
+            validate_ipv46_address(query)
+        except ValidationError:
+            query = socket.gethostbyname(query)
+
+        return query
+
+    def city(self, query):
+        """
+        Return a dictionary of city information for the given IP address or
+        Fully Qualified Domain Name (FQDN). Some information in the dictionary
+        may be undefined (None).
+        """
+        enc_query = self._check_query(query, city=True)
+        return City(self._city.city(enc_query))
+
+    def country_code(self, query):
+        "Return the country code for the given IP Address or FQDN."
+        return self.country(query)["country_code"]
+
+    def country_name(self, query):
+        "Return the country name for the given IP Address or FQDN."
+        return self.country(query)["country_name"]
+
+    def country(self, query):
+        """
+        Return a dictionary with the country code and name when given an
+        IP address or a Fully Qualified Domain Name (FQDN). For example, both
+        '24.124.1.80' and 'djangoproject.com' are valid parameters.
+        """
+        # Returning the country code and name
+        enc_query = self._check_query(query, city_or_country=True)
+        return Country(self._country_or_city(enc_query))
+
+    # #### Coordinate retrieval routines ####
+    def coords(self, query, ordering=("longitude", "latitude")):
+        cdict = self.city(query)
+        if cdict is None:
+            return None
+        else:
+            return tuple(cdict[o] for o in ordering)
+
+    def lon_lat(self, query):
+        "Return a tuple of the (longitude, latitude) for the given query."
+        return self.coords(query)
+
+    def lat_lon(self, query):
+        "Return a tuple of the (latitude, longitude) for the given query."
+        return self.coords(query, ("latitude", "longitude"))
+
+    def geos(self, query):
+        "Return a GEOS Point object for the given query."
+        ll = self.lon_lat(query)
+        if ll:
+            # Allows importing and using GeoIP2() when GEOS is not installed.
+            from django.contrib.gis.geos import Point
+
+            return Point(ll, srid=4326)
+        else:
+            return None
+
+    # #### GeoIP Database Information Routines ####
+    @property
+    def info(self):
+        "Return information about the GeoIP library and databases in use."
+        meta = self._reader.metadata()
+        return "GeoIP Library:\n\t%s.%s\n" % (
+            meta.binary_format_major_version,
+            meta.binary_format_minor_version,
+        )
+
+    @classmethod
+    def open(cls, full_path, cache):
+        return GeoIP2(full_path, cache)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/resources.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/resources.py
new file mode 100644
index 00000000..74f42286
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geoip2/resources.py
@@ -0,0 +1,22 @@
+def City(response):
+    return {
+        "city": response.city.name,
+        "continent_code": response.continent.code,
+        "continent_name": response.continent.name,
+        "country_code": response.country.iso_code,
+        "country_name": response.country.name,
+        "dma_code": response.location.metro_code,
+        "is_in_european_union": response.country.is_in_european_union,
+        "latitude": response.location.latitude,
+        "longitude": response.location.longitude,
+        "postal_code": response.postal.code,
+        "region": response.subdivisions[0].iso_code if response.subdivisions else None,
+        "time_zone": response.location.time_zone,
+    }
+
+
+def Country(response):
+    return {
+        "country_code": response.country.iso_code,
+        "country_name": response.country.name,
+    }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geometry.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geometry.py
new file mode 100644
index 00000000..b5caf04b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geometry.py
@@ -0,0 +1,17 @@
+import re
+
+from django.utils.regex_helper import _lazy_re_compile
+
+# Regular expression for recognizing HEXEWKB and WKT.  A prophylactic measure
+# to prevent potentially malicious input from reaching the underlying C
+# library. Not a substitute for good web security programming practices.
+hex_regex = _lazy_re_compile(r"^[0-9A-F]+$", re.I)
+wkt_regex = _lazy_re_compile(
+    r"^(SRID=(?P<srid>\-?[0-9]+);)?"
+    r"(?P<wkt>"
+    r"(?P<type>POINT|LINESTRING|LINEARRING|POLYGON|MULTIPOINT|"
+    r"MULTILINESTRING|MULTIPOLYGON|GEOMETRYCOLLECTION)"
+    r"[ACEGIMLONPSRUTYZ0-9,.+() -]+)$",
+    re.I,
+)
+json_regex = _lazy_re_compile(r"^(\s+)?\{.*}(\s+)?$", re.DOTALL)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/LICENSE b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/LICENSE
new file mode 100644
index 00000000..0479b077
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/LICENSE
@@ -0,0 +1,27 @@
+Copyright (c) 2007-2009 Justin Bronn
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice, 
+       this list of conditions and the following disclaimer.
+   
+    2. Redistributions in binary form must reproduce the above copyright 
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    3. Neither the name of GEOSGeometry nor the names of its contributors may be used
+       to endorse or promote products derived from this software without
+       specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/__init__.py
new file mode 100644
index 00000000..f50cd198
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/__init__.py
@@ -0,0 +1,19 @@
+"""
+The GeoDjango GEOS module.  Please consult the GeoDjango documentation
+for more details: https://docs.djangoproject.com/en/dev/ref/contrib/gis/geos/
+"""
+
+from .collections import (  # NOQA
+    GeometryCollection,
+    MultiLineString,
+    MultiPoint,
+    MultiPolygon,
+)
+from .error import GEOSException  # NOQA
+from .factory import fromfile, fromstr  # NOQA
+from .geometry import GEOSGeometry, hex_regex, wkt_regex  # NOQA
+from .io import WKBReader, WKBWriter, WKTReader, WKTWriter  # NOQA
+from .libgeos import geos_version  # NOQA
+from .linestring import LinearRing, LineString  # NOQA
+from .point import Point  # NOQA
+from .polygon import Polygon  # NOQA
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/base.py
new file mode 100644
index 00000000..b7466ba2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/base.py
@@ -0,0 +1,6 @@
+from django.contrib.gis.geos.error import GEOSException
+from django.contrib.gis.ptr import CPointerBase
+
+
+class GEOSBase(CPointerBase):
+    null_ptr_exception_class = GEOSException
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/collections.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/collections.py
new file mode 100644
index 00000000..35262a56
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/collections.py
@@ -0,0 +1,121 @@
+"""
+ This module houses the Geometry Collection objects:
+ GeometryCollection, MultiPoint, MultiLineString, and MultiPolygon
+"""
+
+from django.contrib.gis.geos import prototypes as capi
+from django.contrib.gis.geos.geometry import GEOSGeometry, LinearGeometryMixin
+from django.contrib.gis.geos.libgeos import GEOM_PTR
+from django.contrib.gis.geos.linestring import LinearRing, LineString
+from django.contrib.gis.geos.point import Point
+from django.contrib.gis.geos.polygon import Polygon
+
+
+class GeometryCollection(GEOSGeometry):
+    _typeid = 7
+
+    def __init__(self, *args, **kwargs):
+        "Initialize a Geometry Collection from a sequence of Geometry objects."
+        # Checking the arguments
+        if len(args) == 1:
+            # If only one geometry provided or a list of geometries is provided
+            #  in the first argument.
+            if isinstance(args[0], (tuple, list)):
+                init_geoms = args[0]
+            else:
+                init_geoms = args
+        else:
+            init_geoms = args
+
+        # Ensuring that only the permitted geometries are allowed in this collection
+        # this is moved to list mixin super class
+        self._check_allowed(init_geoms)
+
+        # Creating the geometry pointer array.
+        collection = self._create_collection(len(init_geoms), init_geoms)
+        super().__init__(collection, **kwargs)
+
+    def __iter__(self):
+        "Iterate over each Geometry in the Collection."
+        for i in range(len(self)):
+            yield self[i]
+
+    def __len__(self):
+        "Return the number of geometries in this Collection."
+        return self.num_geom
+
+    # ### Methods for compatibility with ListMixin ###
+    def _create_collection(self, length, items):
+        # Creating the geometry pointer array.
+        geoms = (GEOM_PTR * length)(
+            *[
+                # this is a little sloppy, but makes life easier
+                # allow GEOSGeometry types (python wrappers) or pointer types
+                capi.geom_clone(getattr(g, "ptr", g))
+                for g in items
+            ]
+        )
+        return capi.create_collection(self._typeid, geoms, length)
+
+    def _get_single_internal(self, index):
+        return capi.get_geomn(self.ptr, index)
+
+    def _get_single_external(self, index):
+        "Return the Geometry from this Collection at the given index (0-based)."
+        # Checking the index and returning the corresponding GEOS geometry.
+        return GEOSGeometry(
+            capi.geom_clone(self._get_single_internal(index)), srid=self.srid
+        )
+
+    def _set_list(self, length, items):
+        "Create a new collection, and destroy the contents of the previous pointer."
+        prev_ptr = self.ptr
+        srid = self.srid
+        self.ptr = self._create_collection(length, items)
+        if srid:
+            self.srid = srid
+        capi.destroy_geom(prev_ptr)
+
+    _set_single = GEOSGeometry._set_single_rebuild
+    _assign_extended_slice = GEOSGeometry._assign_extended_slice_rebuild
+
+    @property
+    def kml(self):
+        "Return the KML for this Geometry Collection."
+        return "<MultiGeometry>%s</MultiGeometry>" % "".join(g.kml for g in self)
+
+    @property
+    def tuple(self):
+        "Return a tuple of all the coordinates in this Geometry Collection"
+        return tuple(g.tuple for g in self)
+
+    coords = tuple
+
+
+# MultiPoint, MultiLineString, and MultiPolygon class definitions.
+class MultiPoint(GeometryCollection):
+    _allowed = Point
+    _typeid = 4
+
+
+class MultiLineString(LinearGeometryMixin, GeometryCollection):
+    _allowed = (LineString, LinearRing)
+    _typeid = 5
+
+
+class MultiPolygon(GeometryCollection):
+    _allowed = Polygon
+    _typeid = 6
+
+
+# Setting the allowed types here since GeometryCollection is defined before
+# its subclasses.
+GeometryCollection._allowed = (
+    Point,
+    LineString,
+    LinearRing,
+    Polygon,
+    MultiPoint,
+    MultiLineString,
+    MultiPolygon,
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/coordseq.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/coordseq.py
new file mode 100644
index 00000000..15400e08
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/coordseq.py
@@ -0,0 +1,211 @@
+"""
+ This module houses the GEOSCoordSeq object, which is used internally
+ by GEOSGeometry to house the actual coordinates of the Point,
+ LineString, and LinearRing geometries.
+"""
+
+from ctypes import byref, c_byte, c_double, c_uint
+
+from django.contrib.gis.geos import prototypes as capi
+from django.contrib.gis.geos.base import GEOSBase
+from django.contrib.gis.geos.error import GEOSException
+from django.contrib.gis.geos.libgeos import CS_PTR
+from django.contrib.gis.shortcuts import numpy
+
+
+class GEOSCoordSeq(GEOSBase):
+    "The internal representation of a list of coordinates inside a Geometry."
+
+    ptr_type = CS_PTR
+
+    def __init__(self, ptr, z=False):
+        "Initialize from a GEOS pointer."
+        if not isinstance(ptr, CS_PTR):
+            raise TypeError("Coordinate sequence should initialize with a CS_PTR.")
+        self._ptr = ptr
+        self._z = z
+
+    def __iter__(self):
+        "Iterate over each point in the coordinate sequence."
+        for i in range(self.size):
+            yield self[i]
+
+    def __len__(self):
+        "Return the number of points in the coordinate sequence."
+        return self.size
+
+    def __str__(self):
+        "Return the string representation of the coordinate sequence."
+        return str(self.tuple)
+
+    def __getitem__(self, index):
+        "Return the coordinate sequence value at the given index."
+        self._checkindex(index)
+        return self._point_getter(index)
+
+    def __setitem__(self, index, value):
+        "Set the coordinate sequence value at the given index."
+        # Checking the input value
+        if isinstance(value, (list, tuple)):
+            pass
+        elif numpy and isinstance(value, numpy.ndarray):
+            pass
+        else:
+            raise TypeError(
+                "Must set coordinate with a sequence (list, tuple, or numpy array)."
+            )
+        # Checking the dims of the input
+        if self.dims == 3 and self._z:
+            n_args = 3
+            point_setter = self._set_point_3d
+        else:
+            n_args = 2
+            point_setter = self._set_point_2d
+        if len(value) != n_args:
+            raise TypeError("Dimension of value does not match.")
+        self._checkindex(index)
+        point_setter(index, value)
+
+    # #### Internal Routines ####
+    def _checkindex(self, index):
+        "Check the given index."
+        if not (0 <= index < self.size):
+            raise IndexError("invalid GEOS Geometry index: %s" % index)
+
+    def _checkdim(self, dim):
+        "Check the given dimension."
+        if dim < 0 or dim > 2:
+            raise GEOSException('invalid ordinate dimension "%d"' % dim)
+
+    def _get_x(self, index):
+        return capi.cs_getx(self.ptr, index, byref(c_double()))
+
+    def _get_y(self, index):
+        return capi.cs_gety(self.ptr, index, byref(c_double()))
+
+    def _get_z(self, index):
+        return capi.cs_getz(self.ptr, index, byref(c_double()))
+
+    def _set_x(self, index, value):
+        capi.cs_setx(self.ptr, index, value)
+
+    def _set_y(self, index, value):
+        capi.cs_sety(self.ptr, index, value)
+
+    def _set_z(self, index, value):
+        capi.cs_setz(self.ptr, index, value)
+
+    @property
+    def _point_getter(self):
+        return self._get_point_3d if self.dims == 3 and self._z else self._get_point_2d
+
+    def _get_point_2d(self, index):
+        return (self._get_x(index), self._get_y(index))
+
+    def _get_point_3d(self, index):
+        return (self._get_x(index), self._get_y(index), self._get_z(index))
+
+    def _set_point_2d(self, index, value):
+        x, y = value
+        self._set_x(index, x)
+        self._set_y(index, y)
+
+    def _set_point_3d(self, index, value):
+        x, y, z = value
+        self._set_x(index, x)
+        self._set_y(index, y)
+        self._set_z(index, z)
+
+    # #### Ordinate getting and setting routines ####
+    def getOrdinate(self, dimension, index):
+        "Return the value for the given dimension and index."
+        self._checkindex(index)
+        self._checkdim(dimension)
+        return capi.cs_getordinate(self.ptr, index, dimension, byref(c_double()))
+
+    def setOrdinate(self, dimension, index, value):
+        "Set the value for the given dimension and index."
+        self._checkindex(index)
+        self._checkdim(dimension)
+        capi.cs_setordinate(self.ptr, index, dimension, value)
+
+    def getX(self, index):
+        "Get the X value at the index."
+        return self.getOrdinate(0, index)
+
+    def setX(self, index, value):
+        "Set X with the value at the given index."
+        self.setOrdinate(0, index, value)
+
+    def getY(self, index):
+        "Get the Y value at the given index."
+        return self.getOrdinate(1, index)
+
+    def setY(self, index, value):
+        "Set Y with the value at the given index."
+        self.setOrdinate(1, index, value)
+
+    def getZ(self, index):
+        "Get Z with the value at the given index."
+        return self.getOrdinate(2, index)
+
+    def setZ(self, index, value):
+        "Set Z with the value at the given index."
+        self.setOrdinate(2, index, value)
+
+    # ### Dimensions ###
+    @property
+    def size(self):
+        "Return the size of this coordinate sequence."
+        return capi.cs_getsize(self.ptr, byref(c_uint()))
+
+    @property
+    def dims(self):
+        "Return the dimensions of this coordinate sequence."
+        return capi.cs_getdims(self.ptr, byref(c_uint()))
+
+    @property
+    def hasz(self):
+        """
+        Return whether this coordinate sequence is 3D. This property value is
+        inherited from the parent Geometry.
+        """
+        return self._z
+
+    # ### Other Methods ###
+    def clone(self):
+        "Clone this coordinate sequence."
+        return GEOSCoordSeq(capi.cs_clone(self.ptr), self.hasz)
+
+    @property
+    def kml(self):
+        "Return the KML representation for the coordinates."
+        # Getting the substitution string depending on whether the coordinates have
+        #  a Z dimension.
+        if self.hasz:
+            substr = "%s,%s,%s "
+        else:
+            substr = "%s,%s,0 "
+        return (
+            "<coordinates>%s</coordinates>"
+            % "".join(substr % self[i] for i in range(len(self))).strip()
+        )
+
+    @property
+    def tuple(self):
+        "Return a tuple version of this coordinate sequence."
+        n = self.size
+        get_point = self._point_getter
+        if n == 1:
+            return get_point(0)
+        return tuple(get_point(i) for i in range(n))
+
+    @property
+    def is_counterclockwise(self):
+        """Return whether this coordinate sequence is counterclockwise."""
+        ret = c_byte()
+        if not capi.cs_is_ccw(self.ptr, byref(ret)):
+            raise GEOSException(
+                'Error encountered in GEOS C function "%s".' % capi.cs_is_ccw.func_name
+            )
+        return ret.value == 1
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/error.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/error.py
new file mode 100644
index 00000000..af2ac2fd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/error.py
@@ -0,0 +1,3 @@
+class GEOSException(Exception):
+    "The base GEOS exception, indicates a GEOS-related error."
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/factory.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/factory.py
new file mode 100644
index 00000000..2c1c2474
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/factory.py
@@ -0,0 +1,33 @@
+from django.contrib.gis.geos.geometry import GEOSGeometry, hex_regex, wkt_regex
+
+
+def fromfile(file_h):
+    """
+    Given a string file name, returns a GEOSGeometry. The file may contain WKB,
+    WKT, or HEX.
+    """
+    # If given a file name, get a real handle.
+    if isinstance(file_h, str):
+        with open(file_h, "rb") as file_h:
+            buf = file_h.read()
+    else:
+        buf = file_h.read()
+
+    # If we get WKB need to wrap in memoryview(), so run through regexes.
+    if isinstance(buf, bytes):
+        try:
+            decoded = buf.decode()
+        except UnicodeDecodeError:
+            pass
+        else:
+            if wkt_regex.match(decoded) or hex_regex.match(decoded):
+                return GEOSGeometry(decoded)
+    else:
+        return GEOSGeometry(buf)
+
+    return GEOSGeometry(memoryview(buf))
+
+
+def fromstr(string, **kwargs):
+    "Given a string value, return a GEOSGeometry object."
+    return GEOSGeometry(string, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/geometry.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/geometry.py
new file mode 100644
index 00000000..8bbe2c26
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/geometry.py
@@ -0,0 +1,780 @@
+"""
+ This module contains the 'base' GEOSGeometry object -- all GEOS Geometries
+ inherit from this object.
+"""
+
+import re
+from ctypes import addressof, byref, c_double
+
+from django.contrib.gis import gdal
+from django.contrib.gis.geometry import hex_regex, json_regex, wkt_regex
+from django.contrib.gis.geos import prototypes as capi
+from django.contrib.gis.geos.base import GEOSBase
+from django.contrib.gis.geos.coordseq import GEOSCoordSeq
+from django.contrib.gis.geos.error import GEOSException
+from django.contrib.gis.geos.libgeos import GEOM_PTR, geos_version_tuple
+from django.contrib.gis.geos.mutable_list import ListMixin
+from django.contrib.gis.geos.prepared import PreparedGeometry
+from django.contrib.gis.geos.prototypes.io import ewkb_w, wkb_r, wkb_w, wkt_r, wkt_w
+from django.utils.deconstruct import deconstructible
+from django.utils.encoding import force_bytes, force_str
+
+
+class GEOSGeometryBase(GEOSBase):
+    _GEOS_CLASSES = None
+
+    ptr_type = GEOM_PTR
+    destructor = capi.destroy_geom
+    has_cs = False  # Only Point, LineString, LinearRing have coordinate sequences
+
+    def __init__(self, ptr, cls):
+        self._ptr = ptr
+
+        # Setting the class type (e.g., Point, Polygon, etc.)
+        if type(self) in (GEOSGeometryBase, GEOSGeometry):
+            if cls is None:
+                if GEOSGeometryBase._GEOS_CLASSES is None:
+                    # Inner imports avoid import conflicts with GEOSGeometry.
+                    from .collections import (
+                        GeometryCollection,
+                        MultiLineString,
+                        MultiPoint,
+                        MultiPolygon,
+                    )
+                    from .linestring import LinearRing, LineString
+                    from .point import Point
+                    from .polygon import Polygon
+
+                    GEOSGeometryBase._GEOS_CLASSES = {
+                        0: Point,
+                        1: LineString,
+                        2: LinearRing,
+                        3: Polygon,
+                        4: MultiPoint,
+                        5: MultiLineString,
+                        6: MultiPolygon,
+                        7: GeometryCollection,
+                    }
+                cls = GEOSGeometryBase._GEOS_CLASSES[self.geom_typeid]
+            self.__class__ = cls
+        self._post_init()
+
+    def _post_init(self):
+        "Perform post-initialization setup."
+        # Setting the coordinate sequence for the geometry (will be None on
+        # geometries that do not have coordinate sequences)
+        self._cs = (
+            GEOSCoordSeq(capi.get_cs(self.ptr), self.hasz) if self.has_cs else None
+        )
+
+    def __copy__(self):
+        """
+        Return a clone because the copy of a GEOSGeometry may contain an
+        invalid pointer location if the original is garbage collected.
+        """
+        return self.clone()
+
+    def __deepcopy__(self, memodict):
+        """
+        The `deepcopy` routine is used by the `Node` class of django.utils.tree;
+        thus, the protocol routine needs to be implemented to return correct
+        copies (clones) of these GEOS objects, which use C pointers.
+        """
+        return self.clone()
+
+    def __str__(self):
+        "EWKT is used for the string representation."
+        return self.ewkt
+
+    def __repr__(self):
+        "Short-hand representation because WKT may be very large."
+        return "<%s object at %s>" % (self.geom_type, hex(addressof(self.ptr)))
+
+    # Pickling support
+    def _to_pickle_wkb(self):
+        return bytes(self.wkb)
+
+    def _from_pickle_wkb(self, wkb):
+        return wkb_r().read(memoryview(wkb))
+
+    def __getstate__(self):
+        # The pickled state is simply a tuple of the WKB (in string form)
+        # and the SRID.
+        return self._to_pickle_wkb(), self.srid
+
+    def __setstate__(self, state):
+        # Instantiating from the tuple state that was pickled.
+        wkb, srid = state
+        ptr = self._from_pickle_wkb(wkb)
+        if not ptr:
+            raise GEOSException("Invalid Geometry loaded from pickled state.")
+        self.ptr = ptr
+        self._post_init()
+        self.srid = srid
+
+    @classmethod
+    def _from_wkb(cls, wkb):
+        return wkb_r().read(wkb)
+
+    @staticmethod
+    def from_ewkt(ewkt):
+        ewkt = force_bytes(ewkt)
+        srid = None
+        parts = ewkt.split(b";", 1)
+        if len(parts) == 2:
+            srid_part, wkt = parts
+            match = re.match(rb"SRID=(?P<srid>\-?\d+)", srid_part)
+            if not match:
+                raise ValueError("EWKT has invalid SRID part.")
+            srid = int(match["srid"])
+        else:
+            wkt = ewkt
+        if not wkt:
+            raise ValueError("Expected WKT but got an empty string.")
+        return GEOSGeometry(GEOSGeometry._from_wkt(wkt), srid=srid)
+
+    @staticmethod
+    def _from_wkt(wkt):
+        return wkt_r().read(wkt)
+
+    @classmethod
+    def from_gml(cls, gml_string):
+        return gdal.OGRGeometry.from_gml(gml_string).geos
+
+    # Comparison operators
+    def __eq__(self, other):
+        """
+        Equivalence testing, a Geometry may be compared with another Geometry
+        or an EWKT representation.
+        """
+        if isinstance(other, str):
+            try:
+                other = GEOSGeometry.from_ewkt(other)
+            except (ValueError, GEOSException):
+                return False
+        return (
+            isinstance(other, GEOSGeometry)
+            and self.srid == other.srid
+            and self.equals_exact(other)
+        )
+
+    def __hash__(self):
+        return hash((self.srid, self.wkt))
+
+    # ### Geometry set-like operations ###
+    # Thanks to Sean Gillies for inspiration:
+    #  http://lists.gispython.org/pipermail/community/2007-July/001034.html
+    # g = g1 | g2
+    def __or__(self, other):
+        "Return the union of this Geometry and the other."
+        return self.union(other)
+
+    # g = g1 & g2
+    def __and__(self, other):
+        "Return the intersection of this Geometry and the other."
+        return self.intersection(other)
+
+    # g = g1 - g2
+    def __sub__(self, other):
+        "Return the difference this Geometry and the other."
+        return self.difference(other)
+
+    # g = g1 ^ g2
+    def __xor__(self, other):
+        "Return the symmetric difference of this Geometry and the other."
+        return self.sym_difference(other)
+
+    # #### Coordinate Sequence Routines ####
+    @property
+    def coord_seq(self):
+        "Return a clone of the coordinate sequence for this Geometry."
+        if self.has_cs:
+            return self._cs.clone()
+
+    # #### Geometry Info ####
+    @property
+    def geom_type(self):
+        "Return a string representing the Geometry type, e.g. 'Polygon'"
+        return capi.geos_type(self.ptr).decode()
+
+    @property
+    def geom_typeid(self):
+        "Return an integer representing the Geometry type."
+        return capi.geos_typeid(self.ptr)
+
+    @property
+    def num_geom(self):
+        "Return the number of geometries in the Geometry."
+        return capi.get_num_geoms(self.ptr)
+
+    @property
+    def num_coords(self):
+        "Return the number of coordinates in the Geometry."
+        return capi.get_num_coords(self.ptr)
+
+    @property
+    def num_points(self):
+        "Return the number points, or coordinates, in the Geometry."
+        return self.num_coords
+
+    @property
+    def dims(self):
+        "Return the dimension of this Geometry (0=point, 1=line, 2=surface)."
+        return capi.get_dims(self.ptr)
+
+    def normalize(self, clone=False):
+        """
+        Convert this Geometry to normal form (or canonical form).
+        If the `clone` keyword is set, then the geometry is not modified and a
+        normalized clone of the geometry is returned instead.
+        """
+        if clone:
+            clone = self.clone()
+            capi.geos_normalize(clone.ptr)
+            return clone
+        capi.geos_normalize(self.ptr)
+
+    def make_valid(self):
+        """
+        Attempt to create a valid representation of a given invalid geometry
+        without losing any of the input vertices.
+        """
+        return GEOSGeometry(capi.geos_makevalid(self.ptr), srid=self.srid)
+
+    # #### Unary predicates ####
+    @property
+    def empty(self):
+        """
+        Return a boolean indicating whether the set of points in this Geometry
+        are empty.
+        """
+        return capi.geos_isempty(self.ptr)
+
+    @property
+    def hasz(self):
+        "Return whether the geometry has a 3D dimension."
+        return capi.geos_hasz(self.ptr)
+
+    @property
+    def ring(self):
+        "Return whether or not the geometry is a ring."
+        return capi.geos_isring(self.ptr)
+
+    @property
+    def simple(self):
+        "Return false if the Geometry isn't simple."
+        return capi.geos_issimple(self.ptr)
+
+    @property
+    def valid(self):
+        "Test the validity of this Geometry."
+        return capi.geos_isvalid(self.ptr)
+
+    @property
+    def valid_reason(self):
+        """
+        Return a string containing the reason for any invalidity.
+        """
+        return capi.geos_isvalidreason(self.ptr).decode()
+
+    # #### Binary predicates. ####
+    def contains(self, other):
+        "Return true if other.within(this) returns true."
+        return capi.geos_contains(self.ptr, other.ptr)
+
+    def covers(self, other):
+        """
+        Return True if the DE-9IM Intersection Matrix for the two geometries is
+        T*****FF*, *T****FF*, ***T**FF*, or ****T*FF*. If either geometry is
+        empty, return False.
+        """
+        return capi.geos_covers(self.ptr, other.ptr)
+
+    def crosses(self, other):
+        """
+        Return true if the DE-9IM intersection matrix for the two Geometries
+        is T*T****** (for a point and a curve,a point and an area or a line and
+        an area) 0******** (for two curves).
+        """
+        return capi.geos_crosses(self.ptr, other.ptr)
+
+    def disjoint(self, other):
+        """
+        Return true if the DE-9IM intersection matrix for the two Geometries
+        is FF*FF****.
+        """
+        return capi.geos_disjoint(self.ptr, other.ptr)
+
+    def equals(self, other):
+        """
+        Return true if the DE-9IM intersection matrix for the two Geometries
+        is T*F**FFF*.
+        """
+        return capi.geos_equals(self.ptr, other.ptr)
+
+    def equals_exact(self, other, tolerance=0):
+        """
+        Return true if the two Geometries are exactly equal, up to a
+        specified tolerance.
+        """
+        return capi.geos_equalsexact(self.ptr, other.ptr, float(tolerance))
+
+    def equals_identical(self, other):
+        """
+        Return true if the two Geometries are point-wise equivalent.
+        """
+        if geos_version_tuple() < (3, 12):
+            raise GEOSException(
+                "GEOSGeometry.equals_identical() requires GEOS >= 3.12.0."
+            )
+        return capi.geos_equalsidentical(self.ptr, other.ptr)
+
+    def intersects(self, other):
+        "Return true if disjoint return false."
+        return capi.geos_intersects(self.ptr, other.ptr)
+
+    def overlaps(self, other):
+        """
+        Return true if the DE-9IM intersection matrix for the two Geometries
+        is T*T***T** (for two points or two surfaces) 1*T***T** (for two curves).
+        """
+        return capi.geos_overlaps(self.ptr, other.ptr)
+
+    def relate_pattern(self, other, pattern):
+        """
+        Return true if the elements in the DE-9IM intersection matrix for the
+        two Geometries match the elements in pattern.
+        """
+        if not isinstance(pattern, str) or len(pattern) > 9:
+            raise GEOSException("invalid intersection matrix pattern")
+        return capi.geos_relatepattern(self.ptr, other.ptr, force_bytes(pattern))
+
+    def touches(self, other):
+        """
+        Return true if the DE-9IM intersection matrix for the two Geometries
+        is FT*******, F**T***** or F***T****.
+        """
+        return capi.geos_touches(self.ptr, other.ptr)
+
+    def within(self, other):
+        """
+        Return true if the DE-9IM intersection matrix for the two Geometries
+        is T*F**F***.
+        """
+        return capi.geos_within(self.ptr, other.ptr)
+
+    # #### SRID Routines ####
+    @property
+    def srid(self):
+        "Get the SRID for the geometry. Return None if no SRID is set."
+        s = capi.geos_get_srid(self.ptr)
+        if s == 0:
+            return None
+        else:
+            return s
+
+    @srid.setter
+    def srid(self, srid):
+        "Set the SRID for the geometry."
+        capi.geos_set_srid(self.ptr, 0 if srid is None else srid)
+
+    # #### Output Routines ####
+    @property
+    def ewkt(self):
+        """
+        Return the EWKT (SRID + WKT) of the Geometry.
+        """
+        srid = self.srid
+        return "SRID=%s;%s" % (srid, self.wkt) if srid else self.wkt
+
+    @property
+    def wkt(self):
+        "Return the WKT (Well-Known Text) representation of this Geometry."
+        return wkt_w(dim=3 if self.hasz else 2, trim=True).write(self).decode()
+
+    @property
+    def hex(self):
+        """
+        Return the WKB of this Geometry in hexadecimal form. Please note
+        that the SRID is not included in this representation because it is not
+        a part of the OGC specification (use the `hexewkb` property instead).
+        """
+        # A possible faster, all-python, implementation:
+        #  str(self.wkb).encode('hex')
+        return wkb_w(dim=3 if self.hasz else 2).write_hex(self)
+
+    @property
+    def hexewkb(self):
+        """
+        Return the EWKB of this Geometry in hexadecimal form. This is an
+        extension of the WKB specification that includes SRID value that are
+        a part of this geometry.
+        """
+        return ewkb_w(dim=3 if self.hasz else 2).write_hex(self)
+
+    @property
+    def json(self):
+        """
+        Return GeoJSON representation of this Geometry.
+        """
+        return self.ogr.json
+
+    geojson = json
+
+    @property
+    def wkb(self):
+        """
+        Return the WKB (Well-Known Binary) representation of this Geometry
+        as a Python memoryview. SRID and Z values are not included, use the
+        `ewkb` property instead.
+        """
+        return wkb_w(3 if self.hasz else 2).write(self)
+
+    @property
+    def ewkb(self):
+        """
+        Return the EWKB representation of this Geometry as a Python memoryview.
+        This is an extension of the WKB specification that includes any SRID
+        value that are a part of this geometry.
+        """
+        return ewkb_w(3 if self.hasz else 2).write(self)
+
+    @property
+    def kml(self):
+        "Return the KML representation of this Geometry."
+        gtype = self.geom_type
+        return "<%s>%s</%s>" % (gtype, self.coord_seq.kml, gtype)
+
+    @property
+    def prepared(self):
+        """
+        Return a PreparedGeometry corresponding to this geometry -- it is
+        optimized for the contains, intersects, and covers operations.
+        """
+        return PreparedGeometry(self)
+
+    # #### GDAL-specific output routines ####
+    def _ogr_ptr(self):
+        return gdal.OGRGeometry._from_wkb(self.wkb)
+
+    @property
+    def ogr(self):
+        "Return the OGR Geometry for this Geometry."
+        return gdal.OGRGeometry(self._ogr_ptr(), self.srs)
+
+    @property
+    def srs(self):
+        "Return the OSR SpatialReference for SRID of this Geometry."
+        if self.srid:
+            try:
+                return gdal.SpatialReference(self.srid)
+            except (gdal.GDALException, gdal.SRSException):
+                pass
+        return None
+
+    @property
+    def crs(self):
+        "Alias for `srs` property."
+        return self.srs
+
+    def transform(self, ct, clone=False):
+        """
+        Requires GDAL. Transform the geometry according to the given
+        transformation object, which may be an integer SRID, and WKT or
+        PROJ string. By default, transform the geometry in-place and return
+        nothing. However if the `clone` keyword is set, don't modify the
+        geometry and return a transformed clone instead.
+        """
+        srid = self.srid
+
+        if ct == srid:
+            # short-circuit where source & dest SRIDs match
+            if clone:
+                return self.clone()
+            else:
+                return
+
+        if isinstance(ct, gdal.CoordTransform):
+            # We don't care about SRID because CoordTransform presupposes
+            # source SRS.
+            srid = None
+        elif srid is None or srid < 0:
+            raise GEOSException("Calling transform() with no SRID set is not supported")
+
+        # Creating an OGR Geometry, which is then transformed.
+        g = gdal.OGRGeometry(self._ogr_ptr(), srid)
+        g.transform(ct)
+        # Getting a new GEOS pointer
+        ptr = g._geos_ptr()
+        if clone:
+            # User wants a cloned transformed geometry returned.
+            return GEOSGeometry(ptr, srid=g.srid)
+        if ptr:
+            # Reassigning pointer, and performing post-initialization setup
+            # again due to the reassignment.
+            capi.destroy_geom(self.ptr)
+            self.ptr = ptr
+            self._post_init()
+            self.srid = g.srid
+        else:
+            raise GEOSException("Transformed WKB was invalid.")
+
+    # #### Topology Routines ####
+    def _topology(self, gptr):
+        "Return Geometry from the given pointer."
+        return GEOSGeometry(gptr, srid=self.srid)
+
+    @property
+    def boundary(self):
+        "Return the boundary as a newly allocated Geometry object."
+        return self._topology(capi.geos_boundary(self.ptr))
+
+    def buffer(self, width, quadsegs=8):
+        """
+        Return a geometry that represents all points whose distance from this
+        Geometry is less than or equal to distance. Calculations are in the
+        Spatial Reference System of this Geometry. The optional third parameter sets
+        the number of segment used to approximate a quarter circle (defaults to 8).
+        (Text from PostGIS documentation at ch. 6.1.3)
+        """
+        return self._topology(capi.geos_buffer(self.ptr, width, quadsegs))
+
+    def buffer_with_style(
+        self, width, quadsegs=8, end_cap_style=1, join_style=1, mitre_limit=5.0
+    ):
+        """
+        Same as buffer() but allows customizing the style of the memoryview.
+
+        End cap style can be round (1), flat (2), or square (3).
+        Join style can be round (1), mitre (2), or bevel (3).
+        Mitre ratio limit only affects mitered join style.
+        """
+        return self._topology(
+            capi.geos_bufferwithstyle(
+                self.ptr, width, quadsegs, end_cap_style, join_style, mitre_limit
+            ),
+        )
+
+    @property
+    def centroid(self):
+        """
+        The centroid is equal to the centroid of the set of component Geometries
+        of highest dimension (since the lower-dimension geometries contribute zero
+        "weight" to the centroid).
+        """
+        return self._topology(capi.geos_centroid(self.ptr))
+
+    @property
+    def convex_hull(self):
+        """
+        Return the smallest convex Polygon that contains all the points
+        in the Geometry.
+        """
+        return self._topology(capi.geos_convexhull(self.ptr))
+
+    def difference(self, other):
+        """
+        Return a Geometry representing the points making up this Geometry
+        that do not make up other.
+        """
+        return self._topology(capi.geos_difference(self.ptr, other.ptr))
+
+    @property
+    def envelope(self):
+        "Return the envelope for this geometry (a polygon)."
+        return self._topology(capi.geos_envelope(self.ptr))
+
+    def intersection(self, other):
+        "Return a Geometry representing the points shared by this Geometry and other."
+        return self._topology(capi.geos_intersection(self.ptr, other.ptr))
+
+    @property
+    def point_on_surface(self):
+        "Compute an interior point of this Geometry."
+        return self._topology(capi.geos_pointonsurface(self.ptr))
+
+    def relate(self, other):
+        "Return the DE-9IM intersection matrix for this Geometry and the other."
+        return capi.geos_relate(self.ptr, other.ptr).decode()
+
+    def simplify(self, tolerance=0.0, preserve_topology=False):
+        """
+        Return the Geometry, simplified using the Douglas-Peucker algorithm
+        to the specified tolerance (higher tolerance => less points).  If no
+        tolerance provided, defaults to 0.
+
+        By default, don't preserve topology - e.g. polygons can be split,
+        collapse to lines or disappear holes can be created or disappear, and
+        lines can cross. By specifying preserve_topology=True, the result will
+        have the same dimension and number of components as the input. This is
+        significantly slower.
+        """
+        if preserve_topology:
+            return self._topology(capi.geos_preservesimplify(self.ptr, tolerance))
+        else:
+            return self._topology(capi.geos_simplify(self.ptr, tolerance))
+
+    def sym_difference(self, other):
+        """
+        Return a set combining the points in this Geometry not in other,
+        and the points in other not in this Geometry.
+        """
+        return self._topology(capi.geos_symdifference(self.ptr, other.ptr))
+
+    @property
+    def unary_union(self):
+        "Return the union of all the elements of this geometry."
+        return self._topology(capi.geos_unary_union(self.ptr))
+
+    def union(self, other):
+        "Return a Geometry representing all the points in this Geometry and other."
+        return self._topology(capi.geos_union(self.ptr, other.ptr))
+
+    # #### Other Routines ####
+    @property
+    def area(self):
+        "Return the area of the Geometry."
+        return capi.geos_area(self.ptr, byref(c_double()))
+
+    def distance(self, other):
+        """
+        Return the distance between the closest points on this Geometry
+        and the other. Units will be in those of the coordinate system of
+        the Geometry.
+        """
+        if not isinstance(other, GEOSGeometry):
+            raise TypeError("distance() works only on other GEOS Geometries.")
+        return capi.geos_distance(self.ptr, other.ptr, byref(c_double()))
+
+    @property
+    def extent(self):
+        """
+        Return the extent of this geometry as a 4-tuple, consisting of
+        (xmin, ymin, xmax, ymax).
+        """
+        from .point import Point
+
+        env = self.envelope
+        if isinstance(env, Point):
+            xmin, ymin = env.tuple
+            xmax, ymax = xmin, ymin
+        else:
+            xmin, ymin = env[0][0]
+            xmax, ymax = env[0][2]
+        return (xmin, ymin, xmax, ymax)
+
+    @property
+    def length(self):
+        """
+        Return the length of this Geometry (e.g., 0 for point, or the
+        circumference of a Polygon).
+        """
+        return capi.geos_length(self.ptr, byref(c_double()))
+
+    def clone(self):
+        "Clone this Geometry."
+        return GEOSGeometry(capi.geom_clone(self.ptr))
+
+
+class LinearGeometryMixin:
+    """
+    Used for LineString and MultiLineString.
+    """
+
+    def interpolate(self, distance):
+        return self._topology(capi.geos_interpolate(self.ptr, distance))
+
+    def interpolate_normalized(self, distance):
+        return self._topology(capi.geos_interpolate_normalized(self.ptr, distance))
+
+    def project(self, point):
+        from .point import Point
+
+        if not isinstance(point, Point):
+            raise TypeError("locate_point argument must be a Point")
+        return capi.geos_project(self.ptr, point.ptr)
+
+    def project_normalized(self, point):
+        from .point import Point
+
+        if not isinstance(point, Point):
+            raise TypeError("locate_point argument must be a Point")
+        return capi.geos_project_normalized(self.ptr, point.ptr)
+
+    @property
+    def merged(self):
+        """
+        Return the line merge of this Geometry.
+        """
+        return self._topology(capi.geos_linemerge(self.ptr))
+
+    @property
+    def closed(self):
+        """
+        Return whether or not this Geometry is closed.
+        """
+        return capi.geos_isclosed(self.ptr)
+
+
+@deconstructible
+class GEOSGeometry(GEOSGeometryBase, ListMixin):
+    "A class that, generally, encapsulates a GEOS geometry."
+
+    def __init__(self, geo_input, srid=None):
+        """
+        The base constructor for GEOS geometry objects. It may take the
+        following inputs:
+
+         * strings:
+            - WKT
+            - HEXEWKB (a PostGIS-specific canonical form)
+            - GeoJSON (requires GDAL)
+         * memoryview:
+            - WKB
+
+        The `srid` keyword specifies the Source Reference Identifier (SRID)
+        number for this Geometry. If not provided, it defaults to None.
+        """
+        input_srid = None
+        if isinstance(geo_input, bytes):
+            geo_input = force_str(geo_input)
+        if isinstance(geo_input, str):
+            wkt_m = wkt_regex.match(geo_input)
+            if wkt_m:
+                # Handle WKT input.
+                if wkt_m["srid"]:
+                    input_srid = int(wkt_m["srid"])
+                g = self._from_wkt(force_bytes(wkt_m["wkt"]))
+            elif hex_regex.match(geo_input):
+                # Handle HEXEWKB input.
+                g = wkb_r().read(force_bytes(geo_input))
+            elif json_regex.match(geo_input):
+                # Handle GeoJSON input.
+                ogr = gdal.OGRGeometry.from_json(geo_input)
+                g = ogr._geos_ptr()
+                input_srid = ogr.srid
+            else:
+                raise ValueError("String input unrecognized as WKT EWKT, and HEXEWKB.")
+        elif isinstance(geo_input, GEOM_PTR):
+            # When the input is a pointer to a geometry (GEOM_PTR).
+            g = geo_input
+        elif isinstance(geo_input, memoryview):
+            # When the input is a memoryview (WKB).
+            g = wkb_r().read(geo_input)
+        elif isinstance(geo_input, GEOSGeometry):
+            g = capi.geom_clone(geo_input.ptr)
+        else:
+            raise TypeError("Improper geometry input type: %s" % type(geo_input))
+
+        if not g:
+            raise GEOSException("Could not initialize GEOS Geometry with given input.")
+
+        input_srid = input_srid or capi.geos_get_srid(g) or None
+        if input_srid and srid and input_srid != srid:
+            raise ValueError("Input geometry already has SRID: %d." % input_srid)
+
+        super().__init__(g, None)
+        # Set the SRID, if given.
+        srid = input_srid or srid
+        if srid and isinstance(srid, int):
+            self.srid = srid
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/io.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/io.py
new file mode 100644
index 00000000..8dd3f289
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/io.py
@@ -0,0 +1,28 @@
+"""
+Module that holds classes for performing I/O operations on GEOS geometry
+objects.  Specifically, this has Python implementations of WKB/WKT
+reader and writer classes.
+"""
+
+from django.contrib.gis.geos.geometry import GEOSGeometry
+from django.contrib.gis.geos.prototypes.io import (
+    WKBWriter,
+    WKTWriter,
+    _WKBReader,
+    _WKTReader,
+)
+
+__all__ = ["WKBWriter", "WKTWriter", "WKBReader", "WKTReader"]
+
+
+# Public classes for (WKB|WKT)Reader, which return GEOSGeometry
+class WKBReader(_WKBReader):
+    def read(self, wkb):
+        "Return a GEOSGeometry for the given WKB buffer."
+        return GEOSGeometry(super().read(wkb))
+
+
+class WKTReader(_WKTReader):
+    def read(self, wkt):
+        "Return a GEOSGeometry for the given WKT string."
+        return GEOSGeometry(super().read(wkt))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/libgeos.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/libgeos.py
new file mode 100644
index 00000000..b883c6c0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/libgeos.py
@@ -0,0 +1,175 @@
+"""
+ This module houses the ctypes initialization procedures, as well
+ as the notice and error handler function callbacks (get called
+ when an error occurs in GEOS).
+
+ This module also houses GEOS Pointer utilities, including
+ get_pointer_arr(), and GEOM_PTR.
+"""
+
+import logging
+import os
+from ctypes import CDLL, CFUNCTYPE, POINTER, Structure, c_char_p
+from ctypes.util import find_library
+
+from django.core.exceptions import ImproperlyConfigured
+from django.utils.functional import SimpleLazyObject, cached_property
+from django.utils.version import get_version_tuple
+
+logger = logging.getLogger("django.contrib.gis")
+
+
+def load_geos():
+    # Custom library path set?
+    try:
+        from django.conf import settings
+
+        lib_path = settings.GEOS_LIBRARY_PATH
+    except (AttributeError, ImportError, ImproperlyConfigured, OSError):
+        lib_path = None
+
+    # Setting the appropriate names for the GEOS-C library.
+    if lib_path:
+        lib_names = None
+    elif os.name == "nt":
+        # Windows NT libraries
+        lib_names = ["geos_c", "libgeos_c-1"]
+    elif os.name == "posix":
+        # *NIX libraries
+        lib_names = ["geos_c", "GEOS"]
+    else:
+        raise ImportError('Unsupported OS "%s"' % os.name)
+
+    # Using the ctypes `find_library` utility to find the path to the GEOS
+    # shared library.  This is better than manually specifying each library name
+    # and extension (e.g., libgeos_c.[so|so.1|dylib].).
+    if lib_names:
+        for lib_name in lib_names:
+            lib_path = find_library(lib_name)
+            if lib_path is not None:
+                break
+
+    # No GEOS library could be found.
+    if lib_path is None:
+        raise ImportError(
+            'Could not find the GEOS library (tried "%s"). '
+            "Try setting GEOS_LIBRARY_PATH in your settings." % '", "'.join(lib_names)
+        )
+    # Getting the GEOS C library.  The C interface (CDLL) is used for
+    # both *NIX and Windows.
+    # See the GEOS C API source code for more details on the library function calls:
+    # https://libgeos.org/doxygen/geos__c_8h_source.html
+    _lgeos = CDLL(lib_path)
+    # Here we set up the prototypes for the initGEOS_r and finishGEOS_r
+    # routines.  These functions aren't actually called until they are
+    # attached to a GEOS context handle -- this actually occurs in
+    # geos/prototypes/threadsafe.py.
+    _lgeos.initGEOS_r.restype = CONTEXT_PTR
+    _lgeos.finishGEOS_r.argtypes = [CONTEXT_PTR]
+    # Set restype for compatibility across 32 and 64-bit platforms.
+    _lgeos.GEOSversion.restype = c_char_p
+    return _lgeos
+
+
+# The notice and error handler C function callback definitions.
+# Supposed to mimic the GEOS message handler (C below):
+#  typedef void (*GEOSMessageHandler)(const char *fmt, ...);
+NOTICEFUNC = CFUNCTYPE(None, c_char_p, c_char_p)
+
+
+def notice_h(fmt, lst):
+    fmt, lst = fmt.decode(), lst.decode()
+    try:
+        warn_msg = fmt % lst
+    except TypeError:
+        warn_msg = fmt
+    logger.warning("GEOS_NOTICE: %s\n", warn_msg)
+
+
+notice_h = NOTICEFUNC(notice_h)
+
+ERRORFUNC = CFUNCTYPE(None, c_char_p, c_char_p)
+
+
+def error_h(fmt, lst):
+    fmt, lst = fmt.decode(), lst.decode()
+    try:
+        err_msg = fmt % lst
+    except TypeError:
+        err_msg = fmt
+    logger.error("GEOS_ERROR: %s\n", err_msg)
+
+
+error_h = ERRORFUNC(error_h)
+
+# #### GEOS Geometry C data structures, and utility functions. ####
+
+
+# Opaque GEOS geometry structures, used for GEOM_PTR and CS_PTR
+class GEOSGeom_t(Structure):
+    pass
+
+
+class GEOSPrepGeom_t(Structure):
+    pass
+
+
+class GEOSCoordSeq_t(Structure):
+    pass
+
+
+class GEOSContextHandle_t(Structure):
+    pass
+
+
+# Pointers to opaque GEOS geometry structures.
+GEOM_PTR = POINTER(GEOSGeom_t)
+PREPGEOM_PTR = POINTER(GEOSPrepGeom_t)
+CS_PTR = POINTER(GEOSCoordSeq_t)
+CONTEXT_PTR = POINTER(GEOSContextHandle_t)
+
+
+lgeos = SimpleLazyObject(load_geos)
+
+
+class GEOSFuncFactory:
+    """
+    Lazy loading of GEOS functions.
+    """
+
+    argtypes = None
+    restype = None
+    errcheck = None
+
+    def __init__(self, func_name, *, restype=None, errcheck=None, argtypes=None):
+        self.func_name = func_name
+        if restype is not None:
+            self.restype = restype
+        if errcheck is not None:
+            self.errcheck = errcheck
+        if argtypes is not None:
+            self.argtypes = argtypes
+
+    def __call__(self, *args):
+        return self.func(*args)
+
+    @cached_property
+    def func(self):
+        from django.contrib.gis.geos.prototypes.threadsafe import GEOSFunc
+
+        func = GEOSFunc(self.func_name)
+        func.argtypes = self.argtypes or []
+        func.restype = self.restype
+        if self.errcheck:
+            func.errcheck = self.errcheck
+        return func
+
+
+def geos_version():
+    """Return the string version of the GEOS library."""
+    return lgeos.GEOSversion()
+
+
+def geos_version_tuple():
+    """Return the GEOS version as a tuple (major, minor, subminor)."""
+    return get_version_tuple(geos_version().decode())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/linestring.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/linestring.py
new file mode 100644
index 00000000..78a265ce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/linestring.py
@@ -0,0 +1,193 @@
+from django.contrib.gis.geos import prototypes as capi
+from django.contrib.gis.geos.coordseq import GEOSCoordSeq
+from django.contrib.gis.geos.error import GEOSException
+from django.contrib.gis.geos.geometry import GEOSGeometry, LinearGeometryMixin
+from django.contrib.gis.geos.point import Point
+from django.contrib.gis.shortcuts import numpy
+
+
+class LineString(LinearGeometryMixin, GEOSGeometry):
+    _init_func = capi.create_linestring
+    _minlength = 2
+    has_cs = True
+
+    def __init__(self, *args, **kwargs):
+        """
+        Initialize on the given sequence -- may take lists, tuples, NumPy arrays
+        of X,Y pairs, or Point objects.  If Point objects are used, ownership is
+        _not_ transferred to the LineString object.
+
+        Examples:
+         ls = LineString((1, 1), (2, 2))
+         ls = LineString([(1, 1), (2, 2)])
+         ls = LineString(array([(1, 1), (2, 2)]))
+         ls = LineString(Point(1, 1), Point(2, 2))
+        """
+        # If only one argument provided, set the coords array appropriately
+        if len(args) == 1:
+            coords = args[0]
+        else:
+            coords = args
+
+        if not (
+            isinstance(coords, (tuple, list))
+            or numpy
+            and isinstance(coords, numpy.ndarray)
+        ):
+            raise TypeError("Invalid initialization input for LineStrings.")
+
+        # If SRID was passed in with the keyword arguments
+        srid = kwargs.get("srid")
+
+        ncoords = len(coords)
+        if not ncoords:
+            super().__init__(self._init_func(None), srid=srid)
+            return
+
+        if ncoords < self._minlength:
+            raise ValueError(
+                "%s requires at least %d points, got %s."
+                % (
+                    self.__class__.__name__,
+                    self._minlength,
+                    ncoords,
+                )
+            )
+
+        numpy_coords = not isinstance(coords, (tuple, list))
+        if numpy_coords:
+            shape = coords.shape  # Using numpy's shape.
+            if len(shape) != 2:
+                raise TypeError("Too many dimensions.")
+            self._checkdim(shape[1])
+            ndim = shape[1]
+        else:
+            # Getting the number of coords and the number of dimensions -- which
+            #  must stay the same, e.g., no LineString((1, 2), (1, 2, 3)).
+            ndim = None
+            # Incrementing through each of the coordinates and verifying
+            for coord in coords:
+                if not isinstance(coord, (tuple, list, Point)):
+                    raise TypeError(
+                        "Each coordinate should be a sequence (list or tuple)"
+                    )
+
+                if ndim is None:
+                    ndim = len(coord)
+                    self._checkdim(ndim)
+                elif len(coord) != ndim:
+                    raise TypeError("Dimension mismatch.")
+
+        # Creating a coordinate sequence object because it is easier to
+        # set the points using its methods.
+        cs = GEOSCoordSeq(capi.create_cs(ncoords, ndim), z=bool(ndim == 3))
+        point_setter = cs._set_point_3d if ndim == 3 else cs._set_point_2d
+
+        for i in range(ncoords):
+            if numpy_coords:
+                point_coords = coords[i, :]
+            elif isinstance(coords[i], Point):
+                point_coords = coords[i].tuple
+            else:
+                point_coords = coords[i]
+            point_setter(i, point_coords)
+
+        # Calling the base geometry initialization with the returned pointer
+        #  from the function.
+        super().__init__(self._init_func(cs.ptr), srid=srid)
+
+    def __iter__(self):
+        "Allow iteration over this LineString."
+        for i in range(len(self)):
+            yield self[i]
+
+    def __len__(self):
+        "Return the number of points in this LineString."
+        return len(self._cs)
+
+    def _get_single_external(self, index):
+        return self._cs[index]
+
+    _get_single_internal = _get_single_external
+
+    def _set_list(self, length, items):
+        ndim = self._cs.dims
+        hasz = self._cs.hasz  # I don't understand why these are different
+        srid = self.srid
+
+        # create a new coordinate sequence and populate accordingly
+        cs = GEOSCoordSeq(capi.create_cs(length, ndim), z=hasz)
+        for i, c in enumerate(items):
+            cs[i] = c
+
+        ptr = self._init_func(cs.ptr)
+        if ptr:
+            capi.destroy_geom(self.ptr)
+            self.ptr = ptr
+            if srid is not None:
+                self.srid = srid
+            self._post_init()
+        else:
+            # can this happen?
+            raise GEOSException("Geometry resulting from slice deletion was invalid.")
+
+    def _set_single(self, index, value):
+        self._cs[index] = value
+
+    def _checkdim(self, dim):
+        if dim not in (2, 3):
+            raise TypeError("Dimension mismatch.")
+
+    # #### Sequence Properties ####
+    @property
+    def tuple(self):
+        "Return a tuple version of the geometry from the coordinate sequence."
+        return self._cs.tuple
+
+    coords = tuple
+
+    def _listarr(self, func):
+        """
+        Return a sequence (list) corresponding with the given function.
+        Return a numpy array if possible.
+        """
+        lst = [func(i) for i in range(len(self))]
+        if numpy:
+            return numpy.array(lst)  # ARRRR!
+        else:
+            return lst
+
+    @property
+    def array(self):
+        "Return a numpy array for the LineString."
+        return self._listarr(self._cs.__getitem__)
+
+    @property
+    def x(self):
+        "Return a list or numpy array of the X variable."
+        return self._listarr(self._cs.getX)
+
+    @property
+    def y(self):
+        "Return a list or numpy array of the Y variable."
+        return self._listarr(self._cs.getY)
+
+    @property
+    def z(self):
+        "Return a list or numpy array of the Z variable."
+        if not self.hasz:
+            return None
+        else:
+            return self._listarr(self._cs.getZ)
+
+
+# LinearRings are LineStrings used within Polygons.
+class LinearRing(LineString):
+    _minlength = 4
+    _init_func = capi.create_linearring
+
+    @property
+    def is_counterclockwise(self):
+        if self.empty:
+            raise ValueError("Orientation of an empty LinearRing cannot be determined.")
+        return self._cs.is_counterclockwise
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/mutable_list.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/mutable_list.py
new file mode 100644
index 00000000..36131fe9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/mutable_list.py
@@ -0,0 +1,314 @@
+# Copyright (c) 2008-2009 Aryeh Leib Taurog, all rights reserved.
+# Released under the New BSD license.
+"""
+This module contains a base type which provides list-style mutations
+without specific data storage methods.
+
+See also http://static.aryehleib.com/oldsite/MutableLists.html
+
+Author: Aryeh Leib Taurog.
+"""
+from functools import total_ordering
+
+
+@total_ordering
+class ListMixin:
+    """
+    A base class which provides complete list interface.
+    Derived classes must call ListMixin's __init__() function
+    and implement the following:
+
+    function _get_single_external(self, i):
+        Return single item with index i for general use.
+        The index i will always satisfy 0 <= i < len(self).
+
+    function _get_single_internal(self, i):
+        Same as above, but for use within the class [Optional]
+        Note that if _get_single_internal and _get_single_internal return
+        different types of objects, _set_list must distinguish
+        between the two and handle each appropriately.
+
+    function _set_list(self, length, items):
+        Recreate the entire object.
+
+        NOTE: items may be a generator which calls _get_single_internal.
+        Therefore, it is necessary to cache the values in a temporary:
+            temp = list(items)
+        before clobbering the original storage.
+
+    function _set_single(self, i, value):
+        Set the single item at index i to value [Optional]
+        If left undefined, all mutations will result in rebuilding
+        the object using _set_list.
+
+    function __len__(self):
+        Return the length
+
+    int _minlength:
+        The minimum legal length [Optional]
+
+    int _maxlength:
+        The maximum legal length [Optional]
+
+    type or tuple _allowed:
+        A type or tuple of allowed item types [Optional]
+    """
+
+    _minlength = 0
+    _maxlength = None
+
+    # ### Python initialization and special list interface methods ###
+
+    def __init__(self, *args, **kwargs):
+        if not hasattr(self, "_get_single_internal"):
+            self._get_single_internal = self._get_single_external
+
+        if not hasattr(self, "_set_single"):
+            self._set_single = self._set_single_rebuild
+            self._assign_extended_slice = self._assign_extended_slice_rebuild
+
+        super().__init__(*args, **kwargs)
+
+    def __getitem__(self, index):
+        "Get the item(s) at the specified index/slice."
+        if isinstance(index, slice):
+            return [
+                self._get_single_external(i) for i in range(*index.indices(len(self)))
+            ]
+        else:
+            index = self._checkindex(index)
+            return self._get_single_external(index)
+
+    def __delitem__(self, index):
+        "Delete the item(s) at the specified index/slice."
+        if not isinstance(index, (int, slice)):
+            raise TypeError("%s is not a legal index" % index)
+
+        # calculate new length and dimensions
+        origLen = len(self)
+        if isinstance(index, int):
+            index = self._checkindex(index)
+            indexRange = [index]
+        else:
+            indexRange = range(*index.indices(origLen))
+
+        newLen = origLen - len(indexRange)
+        newItems = (
+            self._get_single_internal(i) for i in range(origLen) if i not in indexRange
+        )
+
+        self._rebuild(newLen, newItems)
+
+    def __setitem__(self, index, val):
+        "Set the item(s) at the specified index/slice."
+        if isinstance(index, slice):
+            self._set_slice(index, val)
+        else:
+            index = self._checkindex(index)
+            self._check_allowed((val,))
+            self._set_single(index, val)
+
+    # ### Special methods for arithmetic operations ###
+    def __add__(self, other):
+        "add another list-like object"
+        return self.__class__([*self, *other])
+
+    def __radd__(self, other):
+        "add to another list-like object"
+        return other.__class__([*other, *self])
+
+    def __iadd__(self, other):
+        "add another list-like object to self"
+        self.extend(other)
+        return self
+
+    def __mul__(self, n):
+        "multiply"
+        return self.__class__(list(self) * n)
+
+    def __rmul__(self, n):
+        "multiply"
+        return self.__class__(list(self) * n)
+
+    def __imul__(self, n):
+        "multiply"
+        if n <= 0:
+            del self[:]
+        else:
+            cache = list(self)
+            for i in range(n - 1):
+                self.extend(cache)
+        return self
+
+    def __eq__(self, other):
+        olen = len(other)
+        for i in range(olen):
+            try:
+                c = self[i] == other[i]
+            except IndexError:
+                # self must be shorter
+                return False
+            if not c:
+                return False
+        return len(self) == olen
+
+    def __lt__(self, other):
+        olen = len(other)
+        for i in range(olen):
+            try:
+                c = self[i] < other[i]
+            except IndexError:
+                # self must be shorter
+                return True
+            if c:
+                return c
+            elif other[i] < self[i]:
+                return False
+        return len(self) < olen
+
+    # ### Public list interface Methods ###
+    # ## Non-mutating ##
+    def count(self, val):
+        "Standard list count method"
+        count = 0
+        for i in self:
+            if val == i:
+                count += 1
+        return count
+
+    def index(self, val):
+        "Standard list index method"
+        for i in range(0, len(self)):
+            if self[i] == val:
+                return i
+        raise ValueError("%s not found in object" % val)
+
+    # ## Mutating ##
+    def append(self, val):
+        "Standard list append method"
+        self[len(self) :] = [val]
+
+    def extend(self, vals):
+        "Standard list extend method"
+        self[len(self) :] = vals
+
+    def insert(self, index, val):
+        "Standard list insert method"
+        if not isinstance(index, int):
+            raise TypeError("%s is not a legal index" % index)
+        self[index:index] = [val]
+
+    def pop(self, index=-1):
+        "Standard list pop method"
+        result = self[index]
+        del self[index]
+        return result
+
+    def remove(self, val):
+        "Standard list remove method"
+        del self[self.index(val)]
+
+    def reverse(self):
+        "Standard list reverse method"
+        self[:] = self[-1::-1]
+
+    def sort(self, key=None, reverse=False):
+        "Standard list sort method"
+        self[:] = sorted(self, key=key, reverse=reverse)
+
+    # ### Private routines ###
+    def _rebuild(self, newLen, newItems):
+        if newLen and newLen < self._minlength:
+            raise ValueError("Must have at least %d items" % self._minlength)
+        if self._maxlength is not None and newLen > self._maxlength:
+            raise ValueError("Cannot have more than %d items" % self._maxlength)
+
+        self._set_list(newLen, newItems)
+
+    def _set_single_rebuild(self, index, value):
+        self._set_slice(slice(index, index + 1, 1), [value])
+
+    def _checkindex(self, index):
+        length = len(self)
+        if 0 <= index < length:
+            return index
+        if -length <= index < 0:
+            return index + length
+        raise IndexError("invalid index: %s" % index)
+
+    def _check_allowed(self, items):
+        if hasattr(self, "_allowed"):
+            if False in [isinstance(val, self._allowed) for val in items]:
+                raise TypeError("Invalid type encountered in the arguments.")
+
+    def _set_slice(self, index, values):
+        "Assign values to a slice of the object"
+        try:
+            valueList = list(values)
+        except TypeError:
+            raise TypeError("can only assign an iterable to a slice")
+
+        self._check_allowed(valueList)
+
+        origLen = len(self)
+        start, stop, step = index.indices(origLen)
+
+        # CAREFUL: index.step and step are not the same!
+        # step will never be None
+        if index.step is None:
+            self._assign_simple_slice(start, stop, valueList)
+        else:
+            self._assign_extended_slice(start, stop, step, valueList)
+
+    def _assign_extended_slice_rebuild(self, start, stop, step, valueList):
+        "Assign an extended slice by rebuilding entire list"
+        indexList = range(start, stop, step)
+        # extended slice, only allow assigning slice of same size
+        if len(valueList) != len(indexList):
+            raise ValueError(
+                "attempt to assign sequence of size %d "
+                "to extended slice of size %d" % (len(valueList), len(indexList))
+            )
+
+        # we're not changing the length of the sequence
+        newLen = len(self)
+        newVals = dict(zip(indexList, valueList))
+
+        def newItems():
+            for i in range(newLen):
+                if i in newVals:
+                    yield newVals[i]
+                else:
+                    yield self._get_single_internal(i)
+
+        self._rebuild(newLen, newItems())
+
+    def _assign_extended_slice(self, start, stop, step, valueList):
+        "Assign an extended slice by re-assigning individual items"
+        indexList = range(start, stop, step)
+        # extended slice, only allow assigning slice of same size
+        if len(valueList) != len(indexList):
+            raise ValueError(
+                "attempt to assign sequence of size %d "
+                "to extended slice of size %d" % (len(valueList), len(indexList))
+            )
+
+        for i, val in zip(indexList, valueList):
+            self._set_single(i, val)
+
+    def _assign_simple_slice(self, start, stop, valueList):
+        "Assign a simple slice; Can assign slice of any length"
+        origLen = len(self)
+        stop = max(start, stop)
+        newLen = origLen - stop + start + len(valueList)
+
+        def newItems():
+            for i in range(origLen + 1):
+                if i == start:
+                    yield from valueList
+
+                if i < origLen:
+                    if i < start or i >= stop:
+                        yield self._get_single_internal(i)
+
+        self._rebuild(newLen, newItems())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/point.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/point.py
new file mode 100644
index 00000000..06b26686
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/point.py
@@ -0,0 +1,162 @@
+from ctypes import c_uint
+
+from django.contrib.gis import gdal
+from django.contrib.gis.geos import prototypes as capi
+from django.contrib.gis.geos.error import GEOSException
+from django.contrib.gis.geos.geometry import GEOSGeometry
+
+
+class Point(GEOSGeometry):
+    _minlength = 2
+    _maxlength = 3
+    has_cs = True
+
+    def __init__(self, x=None, y=None, z=None, srid=None):
+        """
+        The Point object may be initialized with either a tuple, or individual
+        parameters.
+
+        For example:
+        >>> p = Point((5, 23))  # 2D point, passed in as a tuple
+        >>> p = Point(5, 23, 8)  # 3D point, passed in with individual parameters
+        """
+        if x is None:
+            coords = []
+        elif isinstance(x, (tuple, list)):
+            # Here a tuple or list was passed in under the `x` parameter.
+            coords = x
+        elif isinstance(x, (float, int)) and isinstance(y, (float, int)):
+            # Here X, Y, and (optionally) Z were passed in individually, as parameters.
+            if isinstance(z, (float, int)):
+                coords = [x, y, z]
+            else:
+                coords = [x, y]
+        else:
+            raise TypeError("Invalid parameters given for Point initialization.")
+
+        point = self._create_point(len(coords), coords)
+
+        # Initializing using the address returned from the GEOS
+        #  createPoint factory.
+        super().__init__(point, srid=srid)
+
+    def _to_pickle_wkb(self):
+        return None if self.empty else super()._to_pickle_wkb()
+
+    def _from_pickle_wkb(self, wkb):
+        return self._create_empty() if wkb is None else super()._from_pickle_wkb(wkb)
+
+    def _ogr_ptr(self):
+        return (
+            gdal.geometries.Point._create_empty() if self.empty else super()._ogr_ptr()
+        )
+
+    @classmethod
+    def _create_empty(cls):
+        return cls._create_point(None, None)
+
+    @classmethod
+    def _create_point(cls, ndim, coords):
+        """
+        Create a coordinate sequence, set X, Y, [Z], and create point
+        """
+        if not ndim:
+            return capi.create_point(None)
+
+        if ndim < 2 or ndim > 3:
+            raise TypeError("Invalid point dimension: %s" % ndim)
+
+        cs = capi.create_cs(c_uint(1), c_uint(ndim))
+        i = iter(coords)
+        capi.cs_setx(cs, 0, next(i))
+        capi.cs_sety(cs, 0, next(i))
+        if ndim == 3:
+            capi.cs_setz(cs, 0, next(i))
+
+        return capi.create_point(cs)
+
+    def _set_list(self, length, items):
+        ptr = self._create_point(length, items)
+        if ptr:
+            srid = self.srid
+            capi.destroy_geom(self.ptr)
+            self._ptr = ptr
+            if srid is not None:
+                self.srid = srid
+            self._post_init()
+        else:
+            # can this happen?
+            raise GEOSException("Geometry resulting from slice deletion was invalid.")
+
+    def _set_single(self, index, value):
+        self._cs.setOrdinate(index, 0, value)
+
+    def __iter__(self):
+        "Iterate over coordinates of this Point."
+        for i in range(len(self)):
+            yield self[i]
+
+    def __len__(self):
+        "Return the number of dimensions for this Point (either 0, 2 or 3)."
+        if self.empty:
+            return 0
+        if self.hasz:
+            return 3
+        else:
+            return 2
+
+    def _get_single_external(self, index):
+        if index == 0:
+            return self.x
+        elif index == 1:
+            return self.y
+        elif index == 2:
+            return self.z
+
+    _get_single_internal = _get_single_external
+
+    @property
+    def x(self):
+        "Return the X component of the Point."
+        return self._cs.getOrdinate(0, 0)
+
+    @x.setter
+    def x(self, value):
+        "Set the X component of the Point."
+        self._cs.setOrdinate(0, 0, value)
+
+    @property
+    def y(self):
+        "Return the Y component of the Point."
+        return self._cs.getOrdinate(1, 0)
+
+    @y.setter
+    def y(self, value):
+        "Set the Y component of the Point."
+        self._cs.setOrdinate(1, 0, value)
+
+    @property
+    def z(self):
+        "Return the Z component of the Point."
+        return self._cs.getOrdinate(2, 0) if self.hasz else None
+
+    @z.setter
+    def z(self, value):
+        "Set the Z component of the Point."
+        if not self.hasz:
+            raise GEOSException("Cannot set Z on 2D Point.")
+        self._cs.setOrdinate(2, 0, value)
+
+    # ### Tuple setting and retrieval routines. ###
+    @property
+    def tuple(self):
+        "Return a tuple of the point."
+        return self._cs.tuple
+
+    @tuple.setter
+    def tuple(self, tup):
+        "Set the coordinates of the point with the given tuple."
+        self._cs[0] = tup
+
+    # The tuple and coords properties
+    coords = tuple
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/polygon.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/polygon.py
new file mode 100644
index 00000000..6f76b570
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/polygon.py
@@ -0,0 +1,189 @@
+from django.contrib.gis.geos import prototypes as capi
+from django.contrib.gis.geos.geometry import GEOSGeometry
+from django.contrib.gis.geos.libgeos import GEOM_PTR
+from django.contrib.gis.geos.linestring import LinearRing
+
+
+class Polygon(GEOSGeometry):
+    _minlength = 1
+
+    def __init__(self, *args, **kwargs):
+        """
+        Initialize on an exterior ring and a sequence of holes (both
+        instances may be either LinearRing instances, or a tuple/list
+        that may be constructed into a LinearRing).
+
+        Examples of initialization, where shell, hole1, and hole2 are
+        valid LinearRing geometries:
+        >>> from django.contrib.gis.geos import LinearRing, Polygon
+        >>> shell = hole1 = hole2 = LinearRing()
+        >>> poly = Polygon(shell, hole1, hole2)
+        >>> poly = Polygon(shell, (hole1, hole2))
+
+        >>> # Example where a tuple parameters are used:
+        >>> poly = Polygon(((0, 0), (0, 10), (10, 10), (10, 0), (0, 0)),
+        ...                ((4, 4), (4, 6), (6, 6), (6, 4), (4, 4)))
+        """
+        if not args:
+            super().__init__(self._create_polygon(0, None), **kwargs)
+            return
+
+        # Getting the ext_ring and init_holes parameters from the argument list
+        ext_ring, *init_holes = args
+        n_holes = len(init_holes)
+
+        # If initialized as Polygon(shell, (LinearRing, LinearRing))
+        # [for backward-compatibility]
+        if n_holes == 1 and isinstance(init_holes[0], (tuple, list)):
+            if not init_holes[0]:
+                init_holes = ()
+                n_holes = 0
+            elif isinstance(init_holes[0][0], LinearRing):
+                init_holes = init_holes[0]
+                n_holes = len(init_holes)
+
+        polygon = self._create_polygon(n_holes + 1, [ext_ring, *init_holes])
+        super().__init__(polygon, **kwargs)
+
+    def __iter__(self):
+        "Iterate over each ring in the polygon."
+        for i in range(len(self)):
+            yield self[i]
+
+    def __len__(self):
+        "Return the number of rings in this Polygon."
+        return self.num_interior_rings + 1
+
+    @classmethod
+    def from_bbox(cls, bbox):
+        "Construct a Polygon from a bounding box (4-tuple)."
+        x0, y0, x1, y1 = bbox
+        for z in bbox:
+            if not isinstance(z, (float, int)):
+                return GEOSGeometry(
+                    "POLYGON((%s %s, %s %s, %s %s, %s %s, %s %s))"
+                    % (x0, y0, x0, y1, x1, y1, x1, y0, x0, y0)
+                )
+        return Polygon(((x0, y0), (x0, y1), (x1, y1), (x1, y0), (x0, y0)))
+
+    # ### These routines are needed for list-like operation w/ListMixin ###
+    def _create_polygon(self, length, items):
+        # Instantiate LinearRing objects if necessary, but don't clone them yet
+        # _construct_ring will throw a TypeError if a parameter isn't a valid ring
+        # If we cloned the pointers here, we wouldn't be able to clean up
+        # in case of error.
+        if not length:
+            return capi.create_empty_polygon()
+
+        rings = []
+        for r in items:
+            if isinstance(r, GEOM_PTR):
+                rings.append(r)
+            else:
+                rings.append(self._construct_ring(r))
+
+        shell = self._clone(rings.pop(0))
+
+        n_holes = length - 1
+        if n_holes:
+            holes_param = (GEOM_PTR * n_holes)(*[self._clone(r) for r in rings])
+        else:
+            holes_param = None
+
+        return capi.create_polygon(shell, holes_param, n_holes)
+
+    def _clone(self, g):
+        if isinstance(g, GEOM_PTR):
+            return capi.geom_clone(g)
+        else:
+            return capi.geom_clone(g.ptr)
+
+    def _construct_ring(
+        self,
+        param,
+        msg=(
+            "Parameter must be a sequence of LinearRings or objects that can "
+            "initialize to LinearRings"
+        ),
+    ):
+        "Try to construct a ring from the given parameter."
+        if isinstance(param, LinearRing):
+            return param
+        try:
+            return LinearRing(param)
+        except TypeError:
+            raise TypeError(msg)
+
+    def _set_list(self, length, items):
+        # Getting the current pointer, replacing with the newly constructed
+        # geometry, and destroying the old geometry.
+        prev_ptr = self.ptr
+        srid = self.srid
+        self.ptr = self._create_polygon(length, items)
+        if srid:
+            self.srid = srid
+        capi.destroy_geom(prev_ptr)
+
+    def _get_single_internal(self, index):
+        """
+        Return the ring at the specified index. The first index, 0, will
+        always return the exterior ring.  Indices > 0 will return the
+        interior ring at the given index (e.g., poly[1] and poly[2] would
+        return the first and second interior ring, respectively).
+
+        CAREFUL: Internal/External are not the same as Interior/Exterior!
+        Return a pointer from the existing geometries for use internally by the
+        object's methods. _get_single_external() returns a clone of the same
+        geometry for use by external code.
+        """
+        if index == 0:
+            return capi.get_extring(self.ptr)
+        else:
+            # Getting the interior ring, have to subtract 1 from the index.
+            return capi.get_intring(self.ptr, index - 1)
+
+    def _get_single_external(self, index):
+        return GEOSGeometry(
+            capi.geom_clone(self._get_single_internal(index)), srid=self.srid
+        )
+
+    _set_single = GEOSGeometry._set_single_rebuild
+    _assign_extended_slice = GEOSGeometry._assign_extended_slice_rebuild
+
+    # #### Polygon Properties ####
+    @property
+    def num_interior_rings(self):
+        "Return the number of interior rings."
+        # Getting the number of rings
+        return capi.get_nrings(self.ptr)
+
+    def _get_ext_ring(self):
+        "Get the exterior ring of the Polygon."
+        return self[0]
+
+    def _set_ext_ring(self, ring):
+        "Set the exterior ring of the Polygon."
+        self[0] = ring
+
+    # Properties for the exterior ring/shell.
+    exterior_ring = property(_get_ext_ring, _set_ext_ring)
+    shell = exterior_ring
+
+    @property
+    def tuple(self):
+        "Get the tuple for each ring in this Polygon."
+        return tuple(self[i].tuple for i in range(len(self)))
+
+    coords = tuple
+
+    @property
+    def kml(self):
+        "Return the KML representation of this Polygon."
+        inner_kml = "".join(
+            "<innerBoundaryIs>%s</innerBoundaryIs>" % self[i + 1].kml
+            for i in range(self.num_interior_rings)
+        )
+        return "<Polygon><outerBoundaryIs>%s</outerBoundaryIs>%s</Polygon>" % (
+            self[0].kml,
+            inner_kml,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prepared.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prepared.py
new file mode 100644
index 00000000..9c77d8a5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prepared.py
@@ -0,0 +1,51 @@
+from .base import GEOSBase
+from .prototypes import prepared as capi
+
+
+class PreparedGeometry(GEOSBase):
+    """
+    A geometry that is prepared for performing certain operations.
+    At the moment this includes the contains covers, and intersects
+    operations.
+    """
+
+    ptr_type = capi.PREPGEOM_PTR
+    destructor = capi.prepared_destroy
+
+    def __init__(self, geom):
+        # Keeping a reference to the original geometry object to prevent it
+        # from being garbage collected which could then crash the prepared one
+        # See #21662
+        self._base_geom = geom
+        from .geometry import GEOSGeometry
+
+        if not isinstance(geom, GEOSGeometry):
+            raise TypeError
+        self.ptr = capi.geos_prepare(geom.ptr)
+
+    def contains(self, other):
+        return capi.prepared_contains(self.ptr, other.ptr)
+
+    def contains_properly(self, other):
+        return capi.prepared_contains_properly(self.ptr, other.ptr)
+
+    def covers(self, other):
+        return capi.prepared_covers(self.ptr, other.ptr)
+
+    def intersects(self, other):
+        return capi.prepared_intersects(self.ptr, other.ptr)
+
+    def crosses(self, other):
+        return capi.prepared_crosses(self.ptr, other.ptr)
+
+    def disjoint(self, other):
+        return capi.prepared_disjoint(self.ptr, other.ptr)
+
+    def overlaps(self, other):
+        return capi.prepared_overlaps(self.ptr, other.ptr)
+
+    def touches(self, other):
+        return capi.prepared_touches(self.ptr, other.ptr)
+
+    def within(self, other):
+        return capi.prepared_within(self.ptr, other.ptr)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/__init__.py
new file mode 100644
index 00000000..3e980b9b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/__init__.py
@@ -0,0 +1,67 @@
+"""
+ This module contains all of the GEOS ctypes function prototypes. Each
+ prototype handles the interaction between the GEOS library and Python
+ via ctypes.
+"""
+
+from django.contrib.gis.geos.prototypes.coordseq import (  # NOQA
+    create_cs,
+    cs_clone,
+    cs_getdims,
+    cs_getordinate,
+    cs_getsize,
+    cs_getx,
+    cs_gety,
+    cs_getz,
+    cs_is_ccw,
+    cs_setordinate,
+    cs_setx,
+    cs_sety,
+    cs_setz,
+    get_cs,
+)
+from django.contrib.gis.geos.prototypes.geom import (  # NOQA
+    create_collection,
+    create_empty_polygon,
+    create_linearring,
+    create_linestring,
+    create_point,
+    create_polygon,
+    destroy_geom,
+    geom_clone,
+    geos_get_srid,
+    geos_makevalid,
+    geos_normalize,
+    geos_set_srid,
+    geos_type,
+    geos_typeid,
+    get_dims,
+    get_extring,
+    get_geomn,
+    get_intring,
+    get_nrings,
+    get_num_coords,
+    get_num_geoms,
+)
+from django.contrib.gis.geos.prototypes.misc import *  # NOQA
+from django.contrib.gis.geos.prototypes.predicates import (  # NOQA
+    geos_contains,
+    geos_covers,
+    geos_crosses,
+    geos_disjoint,
+    geos_equals,
+    geos_equalsexact,
+    geos_equalsidentical,
+    geos_hasz,
+    geos_intersects,
+    geos_isclosed,
+    geos_isempty,
+    geos_isring,
+    geos_issimple,
+    geos_isvalid,
+    geos_overlaps,
+    geos_relatepattern,
+    geos_touches,
+    geos_within,
+)
+from django.contrib.gis.geos.prototypes.topology import *  # NOQA
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/coordseq.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/coordseq.py
new file mode 100644
index 00000000..ed05de99
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/coordseq.py
@@ -0,0 +1,95 @@
+from ctypes import POINTER, c_byte, c_double, c_int, c_uint
+
+from django.contrib.gis.geos.libgeos import CS_PTR, GEOM_PTR, GEOSFuncFactory
+from django.contrib.gis.geos.prototypes.errcheck import GEOSException, last_arg_byref
+
+
+# ## Error-checking routines specific to coordinate sequences. ##
+def check_cs_op(result, func, cargs):
+    "Check the status code of a coordinate sequence operation."
+    if result == 0:
+        raise GEOSException("Could not set value on coordinate sequence")
+    else:
+        return result
+
+
+def check_cs_get(result, func, cargs):
+    "Check the coordinate sequence retrieval."
+    check_cs_op(result, func, cargs)
+    # Object in by reference, return its value.
+    return last_arg_byref(cargs)
+
+
+# ## Coordinate sequence prototype factory classes. ##
+class CsInt(GEOSFuncFactory):
+    "For coordinate sequence routines that return an integer."
+    argtypes = [CS_PTR, POINTER(c_uint)]
+    restype = c_int
+    errcheck = staticmethod(check_cs_get)
+
+
+class CsOperation(GEOSFuncFactory):
+    "For coordinate sequence operations."
+    restype = c_int
+
+    def __init__(self, *args, ordinate=False, get=False, **kwargs):
+        if get:
+            # Get routines have double parameter passed-in by reference.
+            errcheck = check_cs_get
+            dbl_param = POINTER(c_double)
+        else:
+            errcheck = check_cs_op
+            dbl_param = c_double
+
+        if ordinate:
+            # Get/Set ordinate routines have an extra uint parameter.
+            argtypes = [CS_PTR, c_uint, c_uint, dbl_param]
+        else:
+            argtypes = [CS_PTR, c_uint, dbl_param]
+
+        super().__init__(
+            *args, **{**kwargs, "errcheck": errcheck, "argtypes": argtypes}
+        )
+
+
+class CsOutput(GEOSFuncFactory):
+    restype = CS_PTR
+
+    @staticmethod
+    def errcheck(result, func, cargs):
+        if not result:
+            raise GEOSException(
+                "Error encountered checking Coordinate Sequence returned from GEOS "
+                'C function "%s".' % func.__name__
+            )
+        return result
+
+
+# ## Coordinate Sequence ctypes prototypes ##
+
+# Coordinate Sequence constructors & cloning.
+cs_clone = CsOutput("GEOSCoordSeq_clone", argtypes=[CS_PTR])
+create_cs = CsOutput("GEOSCoordSeq_create", argtypes=[c_uint, c_uint])
+get_cs = CsOutput("GEOSGeom_getCoordSeq", argtypes=[GEOM_PTR])
+
+# Getting, setting ordinate
+cs_getordinate = CsOperation("GEOSCoordSeq_getOrdinate", ordinate=True, get=True)
+cs_setordinate = CsOperation("GEOSCoordSeq_setOrdinate", ordinate=True)
+
+# For getting, x, y, z
+cs_getx = CsOperation("GEOSCoordSeq_getX", get=True)
+cs_gety = CsOperation("GEOSCoordSeq_getY", get=True)
+cs_getz = CsOperation("GEOSCoordSeq_getZ", get=True)
+
+# For setting, x, y, z
+cs_setx = CsOperation("GEOSCoordSeq_setX")
+cs_sety = CsOperation("GEOSCoordSeq_setY")
+cs_setz = CsOperation("GEOSCoordSeq_setZ")
+
+# These routines return size & dimensions.
+cs_getsize = CsInt("GEOSCoordSeq_getSize")
+cs_getdims = CsInt("GEOSCoordSeq_getDimensions")
+
+cs_is_ccw = GEOSFuncFactory(
+    "GEOSCoordSeq_isCCW", restype=c_int, argtypes=[CS_PTR, POINTER(c_byte)]
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/errcheck.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/errcheck.py
new file mode 100644
index 00000000..42b24c28
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/errcheck.py
@@ -0,0 +1,96 @@
+"""
+ Error checking functions for GEOS ctypes prototype functions.
+"""
+
+from ctypes import c_void_p, string_at
+
+from django.contrib.gis.geos.error import GEOSException
+from django.contrib.gis.geos.libgeos import GEOSFuncFactory
+
+# Getting the `free` routine used to free the memory allocated for
+# string pointers returned by GEOS.
+free = GEOSFuncFactory("GEOSFree")
+free.argtypes = [c_void_p]
+
+
+def last_arg_byref(args):
+    "Return the last C argument's value by reference."
+    return args[-1]._obj.value
+
+
+def check_dbl(result, func, cargs):
+    "Check the status code and returns the double value passed in by reference."
+    # Checking the status code
+    if result != 1:
+        return None
+    # Double passed in by reference, return its value.
+    return last_arg_byref(cargs)
+
+
+def check_geom(result, func, cargs):
+    "Error checking on routines that return Geometries."
+    if not result:
+        raise GEOSException(
+            'Error encountered checking Geometry returned from GEOS C function "%s".'
+            % func.__name__
+        )
+    return result
+
+
+def check_minus_one(result, func, cargs):
+    "Error checking on routines that should not return -1."
+    if result == -1:
+        raise GEOSException(
+            'Error encountered in GEOS C function "%s".' % func.__name__
+        )
+    else:
+        return result
+
+
+def check_predicate(result, func, cargs):
+    "Error checking for unary/binary predicate functions."
+    if result == 1:
+        return True
+    elif result == 0:
+        return False
+    else:
+        raise GEOSException(
+            'Error encountered on GEOS C predicate function "%s".' % func.__name__
+        )
+
+
+def check_sized_string(result, func, cargs):
+    """
+    Error checking for routines that return explicitly sized strings.
+
+    This frees the memory allocated by GEOS at the result pointer.
+    """
+    if not result:
+        raise GEOSException(
+            'Invalid string pointer returned by GEOS C function "%s"' % func.__name__
+        )
+    # A c_size_t object is passed in by reference for the second
+    # argument on these routines, and its needed to determine the
+    # correct size.
+    s = string_at(result, last_arg_byref(cargs))
+    # Freeing the memory allocated within GEOS
+    free(result)
+    return s
+
+
+def check_string(result, func, cargs):
+    """
+    Error checking for routines that return strings.
+
+    This frees the memory allocated by GEOS at the result pointer.
+    """
+    if not result:
+        raise GEOSException(
+            'Error encountered checking string return value in GEOS C function "%s".'
+            % func.__name__
+        )
+    # Getting the string value at the pointer address.
+    s = string_at(result)
+    # Freeing the memory allocated within GEOS
+    free(result)
+    return s
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/geom.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/geom.py
new file mode 100644
index 00000000..a456acd0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/geom.py
@@ -0,0 +1,91 @@
+from ctypes import POINTER, c_char_p, c_int, c_ubyte, c_uint
+
+from django.contrib.gis.geos.libgeos import CS_PTR, GEOM_PTR, GEOSFuncFactory
+from django.contrib.gis.geos.prototypes.errcheck import (
+    check_geom,
+    check_minus_one,
+    check_string,
+)
+
+# This is the return type used by binary output (WKB, HEX) routines.
+c_uchar_p = POINTER(c_ubyte)
+
+
+# We create a simple subclass of c_char_p here because when the response
+# type is set to c_char_p, you get a _Python_ string and there's no way
+# to access the string's address inside the error checking function.
+# In other words, you can't free the memory allocated inside GEOS.  Previously,
+# the return type would just be omitted and the integer address would be
+# used -- but this allows us to be specific in the function definition and
+# keeps the reference so it may be free'd.
+class geos_char_p(c_char_p):
+    pass
+
+
+# ### ctypes factory classes ###
+class GeomOutput(GEOSFuncFactory):
+    "For GEOS routines that return a geometry."
+    restype = GEOM_PTR
+    errcheck = staticmethod(check_geom)
+
+
+class IntFromGeom(GEOSFuncFactory):
+    "Argument is a geometry, return type is an integer."
+    argtypes = [GEOM_PTR]
+    restype = c_int
+    errcheck = staticmethod(check_minus_one)
+
+
+class StringFromGeom(GEOSFuncFactory):
+    "Argument is a Geometry, return type is a string."
+    argtypes = [GEOM_PTR]
+    restype = geos_char_p
+    errcheck = staticmethod(check_string)
+
+
+# ### ctypes prototypes ###
+
+# The GEOS geometry type, typeid, num_coordinates and number of geometries
+geos_makevalid = GeomOutput("GEOSMakeValid", argtypes=[GEOM_PTR])
+geos_normalize = IntFromGeom("GEOSNormalize")
+geos_type = StringFromGeom("GEOSGeomType")
+geos_typeid = IntFromGeom("GEOSGeomTypeId")
+get_dims = GEOSFuncFactory("GEOSGeom_getDimensions", argtypes=[GEOM_PTR], restype=c_int)
+get_num_coords = IntFromGeom("GEOSGetNumCoordinates")
+get_num_geoms = IntFromGeom("GEOSGetNumGeometries")
+
+# Geometry creation factories
+create_point = GeomOutput("GEOSGeom_createPoint", argtypes=[CS_PTR])
+create_linestring = GeomOutput("GEOSGeom_createLineString", argtypes=[CS_PTR])
+create_linearring = GeomOutput("GEOSGeom_createLinearRing", argtypes=[CS_PTR])
+
+# Polygon and collection creation routines need argument types defined
+# for compatibility with some platforms, e.g. macOS ARM64. With argtypes
+# defined, arrays are automatically cast and byref() calls are not needed.
+create_polygon = GeomOutput(
+    "GEOSGeom_createPolygon",
+    argtypes=[GEOM_PTR, POINTER(GEOM_PTR), c_uint],
+)
+create_empty_polygon = GeomOutput("GEOSGeom_createEmptyPolygon", argtypes=[])
+create_collection = GeomOutput(
+    "GEOSGeom_createCollection",
+    argtypes=[c_int, POINTER(GEOM_PTR), c_uint],
+)
+
+# Ring routines
+get_extring = GeomOutput("GEOSGetExteriorRing", argtypes=[GEOM_PTR])
+get_intring = GeomOutput("GEOSGetInteriorRingN", argtypes=[GEOM_PTR, c_int])
+get_nrings = IntFromGeom("GEOSGetNumInteriorRings")
+
+# Collection Routines
+get_geomn = GeomOutput("GEOSGetGeometryN", argtypes=[GEOM_PTR, c_int])
+
+# Cloning
+geom_clone = GEOSFuncFactory("GEOSGeom_clone", argtypes=[GEOM_PTR], restype=GEOM_PTR)
+
+# Destruction routine.
+destroy_geom = GEOSFuncFactory("GEOSGeom_destroy", argtypes=[GEOM_PTR])
+
+# SRID routines
+geos_get_srid = GEOSFuncFactory("GEOSGetSRID", argtypes=[GEOM_PTR], restype=c_int)
+geos_set_srid = GEOSFuncFactory("GEOSSetSRID", argtypes=[GEOM_PTR, c_int])
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/io.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/io.py
new file mode 100644
index 00000000..efe9ec15
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/io.py
@@ -0,0 +1,369 @@
+import threading
+from ctypes import POINTER, Structure, byref, c_byte, c_char_p, c_int, c_size_t
+
+from django.contrib.gis.geos.base import GEOSBase
+from django.contrib.gis.geos.libgeos import (
+    GEOM_PTR,
+    GEOSFuncFactory,
+    geos_version_tuple,
+)
+from django.contrib.gis.geos.prototypes.errcheck import (
+    check_geom,
+    check_sized_string,
+    check_string,
+)
+from django.contrib.gis.geos.prototypes.geom import c_uchar_p, geos_char_p
+from django.utils.encoding import force_bytes
+from django.utils.functional import SimpleLazyObject
+
+
+# ### The WKB/WKT Reader/Writer structures and pointers ###
+class WKTReader_st(Structure):
+    pass
+
+
+class WKTWriter_st(Structure):
+    pass
+
+
+class WKBReader_st(Structure):
+    pass
+
+
+class WKBWriter_st(Structure):
+    pass
+
+
+WKT_READ_PTR = POINTER(WKTReader_st)
+WKT_WRITE_PTR = POINTER(WKTWriter_st)
+WKB_READ_PTR = POINTER(WKBReader_st)
+WKB_WRITE_PTR = POINTER(WKBReader_st)
+
+# WKTReader routines
+wkt_reader_create = GEOSFuncFactory("GEOSWKTReader_create", restype=WKT_READ_PTR)
+wkt_reader_destroy = GEOSFuncFactory("GEOSWKTReader_destroy", argtypes=[WKT_READ_PTR])
+
+wkt_reader_read = GEOSFuncFactory(
+    "GEOSWKTReader_read",
+    argtypes=[WKT_READ_PTR, c_char_p],
+    restype=GEOM_PTR,
+    errcheck=check_geom,
+)
+# WKTWriter routines
+wkt_writer_create = GEOSFuncFactory("GEOSWKTWriter_create", restype=WKT_WRITE_PTR)
+wkt_writer_destroy = GEOSFuncFactory("GEOSWKTWriter_destroy", argtypes=[WKT_WRITE_PTR])
+
+wkt_writer_write = GEOSFuncFactory(
+    "GEOSWKTWriter_write",
+    argtypes=[WKT_WRITE_PTR, GEOM_PTR],
+    restype=geos_char_p,
+    errcheck=check_string,
+)
+
+wkt_writer_get_outdim = GEOSFuncFactory(
+    "GEOSWKTWriter_getOutputDimension", argtypes=[WKT_WRITE_PTR], restype=c_int
+)
+wkt_writer_set_outdim = GEOSFuncFactory(
+    "GEOSWKTWriter_setOutputDimension", argtypes=[WKT_WRITE_PTR, c_int]
+)
+
+wkt_writer_set_trim = GEOSFuncFactory(
+    "GEOSWKTWriter_setTrim", argtypes=[WKT_WRITE_PTR, c_byte]
+)
+wkt_writer_set_precision = GEOSFuncFactory(
+    "GEOSWKTWriter_setRoundingPrecision", argtypes=[WKT_WRITE_PTR, c_int]
+)
+
+# WKBReader routines
+wkb_reader_create = GEOSFuncFactory("GEOSWKBReader_create", restype=WKB_READ_PTR)
+wkb_reader_destroy = GEOSFuncFactory("GEOSWKBReader_destroy", argtypes=[WKB_READ_PTR])
+
+
+class WKBReadFunc(GEOSFuncFactory):
+    # Although the function definitions take `const unsigned char *`
+    # as their parameter, we use c_char_p here so the function may
+    # take Python strings directly as parameters.  Inside Python there
+    # is not a difference between signed and unsigned characters, so
+    # it is not a problem.
+    argtypes = [WKB_READ_PTR, c_char_p, c_size_t]
+    restype = GEOM_PTR
+    errcheck = staticmethod(check_geom)
+
+
+wkb_reader_read = WKBReadFunc("GEOSWKBReader_read")
+wkb_reader_read_hex = WKBReadFunc("GEOSWKBReader_readHEX")
+
+# WKBWriter routines
+wkb_writer_create = GEOSFuncFactory("GEOSWKBWriter_create", restype=WKB_WRITE_PTR)
+wkb_writer_destroy = GEOSFuncFactory("GEOSWKBWriter_destroy", argtypes=[WKB_WRITE_PTR])
+
+
+# WKB Writing prototypes.
+class WKBWriteFunc(GEOSFuncFactory):
+    argtypes = [WKB_WRITE_PTR, GEOM_PTR, POINTER(c_size_t)]
+    restype = c_uchar_p
+    errcheck = staticmethod(check_sized_string)
+
+
+wkb_writer_write = WKBWriteFunc("GEOSWKBWriter_write")
+wkb_writer_write_hex = WKBWriteFunc("GEOSWKBWriter_writeHEX")
+
+
+# WKBWriter property getter/setter prototypes.
+class WKBWriterGet(GEOSFuncFactory):
+    argtypes = [WKB_WRITE_PTR]
+    restype = c_int
+
+
+class WKBWriterSet(GEOSFuncFactory):
+    argtypes = [WKB_WRITE_PTR, c_int]
+
+
+wkb_writer_get_byteorder = WKBWriterGet("GEOSWKBWriter_getByteOrder")
+wkb_writer_set_byteorder = WKBWriterSet("GEOSWKBWriter_setByteOrder")
+wkb_writer_get_outdim = WKBWriterGet("GEOSWKBWriter_getOutputDimension")
+wkb_writer_set_outdim = WKBWriterSet("GEOSWKBWriter_setOutputDimension")
+wkb_writer_get_include_srid = WKBWriterGet(
+    "GEOSWKBWriter_getIncludeSRID", restype=c_byte
+)
+wkb_writer_set_include_srid = WKBWriterSet(
+    "GEOSWKBWriter_setIncludeSRID", argtypes=[WKB_WRITE_PTR, c_byte]
+)
+
+
+# ### Base I/O Class ###
+class IOBase(GEOSBase):
+    "Base class for GEOS I/O objects."
+
+    def __init__(self):
+        # Getting the pointer with the constructor.
+        self.ptr = self._constructor()
+        # Loading the real destructor function at this point as doing it in
+        # __del__ is too late (import error).
+        self.destructor.func
+
+
+# ### Base WKB/WKT Reading and Writing objects ###
+
+
+# Non-public WKB/WKT reader classes for internal use because
+# their `read` methods return _pointers_ instead of GEOSGeometry
+# objects.
+class _WKTReader(IOBase):
+    _constructor = wkt_reader_create
+    ptr_type = WKT_READ_PTR
+    destructor = wkt_reader_destroy
+
+    def read(self, wkt):
+        if not isinstance(wkt, (bytes, str)):
+            raise TypeError
+        return wkt_reader_read(self.ptr, force_bytes(wkt))
+
+
+class _WKBReader(IOBase):
+    _constructor = wkb_reader_create
+    ptr_type = WKB_READ_PTR
+    destructor = wkb_reader_destroy
+
+    def read(self, wkb):
+        "Return a _pointer_ to C GEOS Geometry object from the given WKB."
+        if isinstance(wkb, memoryview):
+            wkb_s = bytes(wkb)
+            return wkb_reader_read(self.ptr, wkb_s, len(wkb_s))
+        elif isinstance(wkb, bytes):
+            return wkb_reader_read_hex(self.ptr, wkb, len(wkb))
+        elif isinstance(wkb, str):
+            wkb_s = wkb.encode()
+            return wkb_reader_read_hex(self.ptr, wkb_s, len(wkb_s))
+        else:
+            raise TypeError
+
+
+def default_trim_value():
+    """
+    GEOS changed the default value in 3.12.0. Can be replaced by True when
+    3.12.0 becomes the minimum supported version.
+    """
+    return geos_version_tuple() >= (3, 12)
+
+
+DEFAULT_TRIM_VALUE = SimpleLazyObject(default_trim_value)
+
+
+# ### WKB/WKT Writer Classes ###
+class WKTWriter(IOBase):
+    _constructor = wkt_writer_create
+    ptr_type = WKT_WRITE_PTR
+    destructor = wkt_writer_destroy
+    _precision = None
+
+    def __init__(self, dim=2, trim=False, precision=None):
+        super().__init__()
+        self._trim = DEFAULT_TRIM_VALUE
+        self.trim = trim
+        if precision is not None:
+            self.precision = precision
+        self.outdim = dim
+
+    def write(self, geom):
+        "Return the WKT representation of the given geometry."
+        return wkt_writer_write(self.ptr, geom.ptr)
+
+    @property
+    def outdim(self):
+        return wkt_writer_get_outdim(self.ptr)
+
+    @outdim.setter
+    def outdim(self, new_dim):
+        if new_dim not in (2, 3):
+            raise ValueError("WKT output dimension must be 2 or 3")
+        wkt_writer_set_outdim(self.ptr, new_dim)
+
+    @property
+    def trim(self):
+        return self._trim
+
+    @trim.setter
+    def trim(self, flag):
+        if bool(flag) != self._trim:
+            self._trim = bool(flag)
+            wkt_writer_set_trim(self.ptr, self._trim)
+
+    @property
+    def precision(self):
+        return self._precision
+
+    @precision.setter
+    def precision(self, precision):
+        if (not isinstance(precision, int) or precision < 0) and precision is not None:
+            raise AttributeError(
+                "WKT output rounding precision must be non-negative integer or None."
+            )
+        if precision != self._precision:
+            self._precision = precision
+            wkt_writer_set_precision(self.ptr, -1 if precision is None else precision)
+
+
+class WKBWriter(IOBase):
+    _constructor = wkb_writer_create
+    ptr_type = WKB_WRITE_PTR
+    destructor = wkb_writer_destroy
+    geos_version = geos_version_tuple()
+
+    def __init__(self, dim=2):
+        super().__init__()
+        self.outdim = dim
+
+    def _handle_empty_point(self, geom):
+        from django.contrib.gis.geos import Point
+
+        if isinstance(geom, Point) and geom.empty:
+            if self.srid:
+                # PostGIS uses POINT(NaN NaN) for WKB representation of empty
+                # points. Use it for EWKB as it's a PostGIS specific format.
+                # https://trac.osgeo.org/postgis/ticket/3181
+                geom = Point(float("NaN"), float("NaN"), srid=geom.srid)
+            else:
+                raise ValueError("Empty point is not representable in WKB.")
+        return geom
+
+    def write(self, geom):
+        "Return the WKB representation of the given geometry."
+        geom = self._handle_empty_point(geom)
+        wkb = wkb_writer_write(self.ptr, geom.ptr, byref(c_size_t()))
+        return memoryview(wkb)
+
+    def write_hex(self, geom):
+        "Return the HEXEWKB representation of the given geometry."
+        geom = self._handle_empty_point(geom)
+        wkb = wkb_writer_write_hex(self.ptr, geom.ptr, byref(c_size_t()))
+        return wkb
+
+    # ### WKBWriter Properties ###
+
+    # Property for getting/setting the byteorder.
+    def _get_byteorder(self):
+        return wkb_writer_get_byteorder(self.ptr)
+
+    def _set_byteorder(self, order):
+        if order not in (0, 1):
+            raise ValueError(
+                "Byte order parameter must be 0 (Big Endian) or 1 (Little Endian)."
+            )
+        wkb_writer_set_byteorder(self.ptr, order)
+
+    byteorder = property(_get_byteorder, _set_byteorder)
+
+    # Property for getting/setting the output dimension.
+    @property
+    def outdim(self):
+        return wkb_writer_get_outdim(self.ptr)
+
+    @outdim.setter
+    def outdim(self, new_dim):
+        if new_dim not in (2, 3):
+            raise ValueError("WKB output dimension must be 2 or 3")
+        wkb_writer_set_outdim(self.ptr, new_dim)
+
+    # Property for getting/setting the include srid flag.
+    @property
+    def srid(self):
+        return bool(wkb_writer_get_include_srid(self.ptr))
+
+    @srid.setter
+    def srid(self, include):
+        wkb_writer_set_include_srid(self.ptr, bool(include))
+
+
+# `ThreadLocalIO` object holds instances of the WKT and WKB reader/writer
+# objects that are local to the thread.  The `GEOSGeometry` internals
+# access these instances by calling the module-level functions, defined
+# below.
+class ThreadLocalIO(threading.local):
+    wkt_r = None
+    wkt_w = None
+    wkb_r = None
+    wkb_w = None
+    ewkb_w = None
+
+
+thread_context = ThreadLocalIO()
+
+
+# These module-level routines return the I/O object that is local to the
+# thread. If the I/O object does not exist yet it will be initialized.
+def wkt_r():
+    thread_context.wkt_r = thread_context.wkt_r or _WKTReader()
+    return thread_context.wkt_r
+
+
+def wkt_w(dim=2, trim=False, precision=None):
+    if not thread_context.wkt_w:
+        thread_context.wkt_w = WKTWriter(dim=dim, trim=trim, precision=precision)
+    else:
+        thread_context.wkt_w.outdim = dim
+        thread_context.wkt_w.trim = trim
+        thread_context.wkt_w.precision = precision
+    return thread_context.wkt_w
+
+
+def wkb_r():
+    thread_context.wkb_r = thread_context.wkb_r or _WKBReader()
+    return thread_context.wkb_r
+
+
+def wkb_w(dim=2):
+    if not thread_context.wkb_w:
+        thread_context.wkb_w = WKBWriter(dim=dim)
+    else:
+        thread_context.wkb_w.outdim = dim
+    return thread_context.wkb_w
+
+
+def ewkb_w(dim=2):
+    if not thread_context.ewkb_w:
+        thread_context.ewkb_w = WKBWriter(dim=dim)
+        thread_context.ewkb_w.srid = True
+    else:
+        thread_context.ewkb_w.outdim = dim
+    return thread_context.ewkb_w
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/misc.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/misc.py
new file mode 100644
index 00000000..bd5859e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/misc.py
@@ -0,0 +1,35 @@
+"""
+ This module is for the miscellaneous GEOS routines, particularly the
+ ones that return the area, distance, and length.
+"""
+
+from ctypes import POINTER, c_double, c_int
+
+from django.contrib.gis.geos.libgeos import GEOM_PTR, GEOSFuncFactory
+from django.contrib.gis.geos.prototypes.errcheck import check_dbl, check_string
+from django.contrib.gis.geos.prototypes.geom import geos_char_p
+
+__all__ = ["geos_area", "geos_distance", "geos_length", "geos_isvalidreason"]
+
+
+class DblFromGeom(GEOSFuncFactory):
+    """
+    Argument is a Geometry, return type is double that is passed
+    in by reference as the last argument.
+    """
+
+    restype = c_int  # Status code returned
+    errcheck = staticmethod(check_dbl)
+
+
+# ### ctypes prototypes ###
+
+# Area, distance, and length prototypes.
+geos_area = DblFromGeom("GEOSArea", argtypes=[GEOM_PTR, POINTER(c_double)])
+geos_distance = DblFromGeom(
+    "GEOSDistance", argtypes=[GEOM_PTR, GEOM_PTR, POINTER(c_double)]
+)
+geos_length = DblFromGeom("GEOSLength", argtypes=[GEOM_PTR, POINTER(c_double)])
+geos_isvalidreason = GEOSFuncFactory(
+    "GEOSisValidReason", restype=geos_char_p, errcheck=check_string, argtypes=[GEOM_PTR]
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/predicates.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/predicates.py
new file mode 100644
index 00000000..dd07cbfb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/predicates.py
@@ -0,0 +1,49 @@
+"""
+ This module houses the GEOS ctypes prototype functions for the
+ unary and binary predicate operations on geometries.
+"""
+
+from ctypes import c_byte, c_char_p, c_double
+
+from django.contrib.gis.geos.libgeos import GEOM_PTR, GEOSFuncFactory
+from django.contrib.gis.geos.prototypes.errcheck import check_predicate
+
+
+# ## Binary & unary predicate factories ##
+class UnaryPredicate(GEOSFuncFactory):
+    "For GEOS unary predicate functions."
+    argtypes = [GEOM_PTR]
+    restype = c_byte
+    errcheck = staticmethod(check_predicate)
+
+
+class BinaryPredicate(UnaryPredicate):
+    "For GEOS binary predicate functions."
+    argtypes = [GEOM_PTR, GEOM_PTR]
+
+
+# ## Unary Predicates ##
+geos_hasz = UnaryPredicate("GEOSHasZ")
+geos_isclosed = UnaryPredicate("GEOSisClosed")
+geos_isempty = UnaryPredicate("GEOSisEmpty")
+geos_isring = UnaryPredicate("GEOSisRing")
+geos_issimple = UnaryPredicate("GEOSisSimple")
+geos_isvalid = UnaryPredicate("GEOSisValid")
+
+# ## Binary Predicates ##
+geos_contains = BinaryPredicate("GEOSContains")
+geos_covers = BinaryPredicate("GEOSCovers")
+geos_crosses = BinaryPredicate("GEOSCrosses")
+geos_disjoint = BinaryPredicate("GEOSDisjoint")
+geos_equals = BinaryPredicate("GEOSEquals")
+geos_equalsexact = BinaryPredicate(
+    "GEOSEqualsExact", argtypes=[GEOM_PTR, GEOM_PTR, c_double]
+)
+geos_equalsidentical = BinaryPredicate("GEOSEqualsIdentical")
+geos_intersects = BinaryPredicate("GEOSIntersects")
+geos_overlaps = BinaryPredicate("GEOSOverlaps")
+geos_relatepattern = BinaryPredicate(
+    "GEOSRelatePattern", argtypes=[GEOM_PTR, GEOM_PTR, c_char_p]
+)
+geos_touches = BinaryPredicate("GEOSTouches")
+geos_within = BinaryPredicate("GEOSWithin")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/prepared.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/prepared.py
new file mode 100644
index 00000000..4fdfab30
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/prepared.py
@@ -0,0 +1,26 @@
+from ctypes import c_byte
+
+from django.contrib.gis.geos.libgeos import GEOM_PTR, PREPGEOM_PTR, GEOSFuncFactory
+from django.contrib.gis.geos.prototypes.errcheck import check_predicate
+
+# Prepared geometry constructor and destructors.
+geos_prepare = GEOSFuncFactory("GEOSPrepare", argtypes=[GEOM_PTR], restype=PREPGEOM_PTR)
+prepared_destroy = GEOSFuncFactory("GEOSPreparedGeom_destroy", argtypes=[PREPGEOM_PTR])
+
+
+# Prepared geometry binary predicate support.
+class PreparedPredicate(GEOSFuncFactory):
+    argtypes = [PREPGEOM_PTR, GEOM_PTR]
+    restype = c_byte
+    errcheck = staticmethod(check_predicate)
+
+
+prepared_contains = PreparedPredicate("GEOSPreparedContains")
+prepared_contains_properly = PreparedPredicate("GEOSPreparedContainsProperly")
+prepared_covers = PreparedPredicate("GEOSPreparedCovers")
+prepared_crosses = PreparedPredicate("GEOSPreparedCrosses")
+prepared_disjoint = PreparedPredicate("GEOSPreparedDisjoint")
+prepared_intersects = PreparedPredicate("GEOSPreparedIntersects")
+prepared_overlaps = PreparedPredicate("GEOSPreparedOverlaps")
+prepared_touches = PreparedPredicate("GEOSPreparedTouches")
+prepared_within = PreparedPredicate("GEOSPreparedWithin")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/threadsafe.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/threadsafe.py
new file mode 100644
index 00000000..d4f7ffb8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/threadsafe.py
@@ -0,0 +1,77 @@
+import threading
+
+from django.contrib.gis.geos.base import GEOSBase
+from django.contrib.gis.geos.libgeos import CONTEXT_PTR, error_h, lgeos, notice_h
+
+
+class GEOSContextHandle(GEOSBase):
+    """Represent a GEOS context handle."""
+
+    ptr_type = CONTEXT_PTR
+    destructor = lgeos.finishGEOS_r
+
+    def __init__(self):
+        # Initializing the context handler for this thread with
+        # the notice and error handler.
+        self.ptr = lgeos.initGEOS_r(notice_h, error_h)
+
+
+# Defining a thread-local object and creating an instance
+# to hold a reference to GEOSContextHandle for this thread.
+class GEOSContext(threading.local):
+    handle = None
+
+
+thread_context = GEOSContext()
+
+
+class GEOSFunc:
+    """
+    Serve as a wrapper for GEOS C Functions. Use thread-safe function
+    variants when available.
+    """
+
+    def __init__(self, func_name):
+        # GEOS thread-safe function signatures end with '_r' and take an
+        # additional context handle parameter.
+        self.cfunc = getattr(lgeos, func_name + "_r")
+        # Create a reference to thread_context so it's not garbage-collected
+        # before an attempt to call this object.
+        self.thread_context = thread_context
+
+    def __call__(self, *args):
+        # Create a context handle if one doesn't exist for this thread.
+        self.thread_context.handle = self.thread_context.handle or GEOSContextHandle()
+        # Call the threaded GEOS routine with the pointer of the context handle
+        # as the first argument.
+        return self.cfunc(self.thread_context.handle.ptr, *args)
+
+    def __str__(self):
+        return self.cfunc.__name__
+
+    # argtypes property
+    def _get_argtypes(self):
+        return self.cfunc.argtypes
+
+    def _set_argtypes(self, argtypes):
+        self.cfunc.argtypes = [CONTEXT_PTR, *argtypes]
+
+    argtypes = property(_get_argtypes, _set_argtypes)
+
+    # restype property
+    def _get_restype(self):
+        return self.cfunc.restype
+
+    def _set_restype(self, restype):
+        self.cfunc.restype = restype
+
+    restype = property(_get_restype, _set_restype)
+
+    # errcheck property
+    def _get_errcheck(self):
+        return self.cfunc.errcheck
+
+    def _set_errcheck(self, errcheck):
+        self.cfunc.errcheck = errcheck
+
+    errcheck = property(_get_errcheck, _set_errcheck)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/topology.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/topology.py
new file mode 100644
index 00000000..9323bb2d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/geos/prototypes/topology.py
@@ -0,0 +1,73 @@
+"""
+ This module houses the GEOS ctypes prototype functions for the
+ topological operations on geometries.
+"""
+
+from ctypes import c_double, c_int
+
+from django.contrib.gis.geos.libgeos import GEOM_PTR, GEOSFuncFactory
+from django.contrib.gis.geos.prototypes.errcheck import (
+    check_geom,
+    check_minus_one,
+    check_string,
+)
+from django.contrib.gis.geos.prototypes.geom import geos_char_p
+
+
+class Topology(GEOSFuncFactory):
+    "For GEOS unary topology functions."
+    argtypes = [GEOM_PTR]
+    restype = GEOM_PTR
+    errcheck = staticmethod(check_geom)
+
+
+# Topology Routines
+geos_boundary = Topology("GEOSBoundary")
+geos_buffer = Topology("GEOSBuffer", argtypes=[GEOM_PTR, c_double, c_int])
+geos_bufferwithstyle = Topology(
+    "GEOSBufferWithStyle", argtypes=[GEOM_PTR, c_double, c_int, c_int, c_int, c_double]
+)
+geos_centroid = Topology("GEOSGetCentroid")
+geos_convexhull = Topology("GEOSConvexHull")
+geos_difference = Topology("GEOSDifference", argtypes=[GEOM_PTR, GEOM_PTR])
+geos_envelope = Topology("GEOSEnvelope")
+geos_intersection = Topology("GEOSIntersection", argtypes=[GEOM_PTR, GEOM_PTR])
+geos_linemerge = Topology("GEOSLineMerge")
+geos_pointonsurface = Topology("GEOSPointOnSurface")
+geos_preservesimplify = Topology(
+    "GEOSTopologyPreserveSimplify", argtypes=[GEOM_PTR, c_double]
+)
+geos_simplify = Topology("GEOSSimplify", argtypes=[GEOM_PTR, c_double])
+geos_symdifference = Topology("GEOSSymDifference", argtypes=[GEOM_PTR, GEOM_PTR])
+geos_union = Topology("GEOSUnion", argtypes=[GEOM_PTR, GEOM_PTR])
+
+geos_unary_union = GEOSFuncFactory(
+    "GEOSUnaryUnion", argtypes=[GEOM_PTR], restype=GEOM_PTR
+)
+
+# GEOSRelate returns a string, not a geometry.
+geos_relate = GEOSFuncFactory(
+    "GEOSRelate",
+    argtypes=[GEOM_PTR, GEOM_PTR],
+    restype=geos_char_p,
+    errcheck=check_string,
+)
+
+# Linear referencing routines
+geos_project = GEOSFuncFactory(
+    "GEOSProject",
+    argtypes=[GEOM_PTR, GEOM_PTR],
+    restype=c_double,
+    errcheck=check_minus_one,
+)
+geos_interpolate = Topology("GEOSInterpolate", argtypes=[GEOM_PTR, c_double])
+
+geos_project_normalized = GEOSFuncFactory(
+    "GEOSProjectNormalized",
+    argtypes=[GEOM_PTR, GEOM_PTR],
+    restype=c_double,
+    errcheck=check_minus_one,
+)
+geos_interpolate_normalized = Topology(
+    "GEOSInterpolateNormalized", argtypes=[GEOM_PTR, c_double]
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2a67e8f0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/af/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..83320bb4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,82 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>, 2023\n"
+"Language-Team: Afrikaans (http://app.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Die basis-GIS-veld"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..083951f7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..092b5dfc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2015-2016
+# Bashar Al-Abdulhadi, 2014
+# Eyad Toma <d.eyad.t@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Muaaz Alsaied, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-04-02 11:32+0000\n"
+"Last-Translator: Muaaz Alsaied\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "GIS"
+msgstr "نظم المعلومات الجغرافية GIS"
+
+msgid "The base GIS field."
+msgstr "حقل نظم المعلومات الجغرافية الرئيسي"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "قاعدة حقل Geometry -- مُرتبط بنوع مواصفات OpenGIS الهندسية."
+
+msgid "Point"
+msgstr "نقطة إحداثية"
+
+msgid "Line string"
+msgstr "سطر تسلسل أحرف"
+
+msgid "Polygon"
+msgstr "مُضلّع إحداثي"
+
+msgid "Multi-point"
+msgstr "نقاط إحداثية"
+
+msgid "Multi-line string"
+msgstr "تسلسل أحرف متعدد الأسطر"
+
+msgid "Multi polygon"
+msgstr "مجموعة مُضلعات إحداثية"
+
+msgid "Geometry collection"
+msgstr "مجموعة إحداثية"
+
+msgid "Extent Aggregate Field"
+msgstr "حقل مجموع التحصيل"
+
+msgid "Raster Field"
+msgstr "حقل خطوط المسح التسامتي"
+
+msgid "No geometry value provided."
+msgstr "لم تُدخل أي أحداثيات."
+
+msgid "Invalid geometry value."
+msgstr "الإحداثيات غير صحيحة."
+
+msgid "Invalid geometry type."
+msgstr "نوع الإحداثيات غير صحيح."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "حدث خطأ أثناء تحويل geometry إلى حقل SRID."
+
+msgid "Delete all Features"
+msgstr "حذف جميع المميزات"
+
+msgid "WKT debugging window:"
+msgstr "نافذة تدقيق WKT:"
+
+msgid "Debugging window (serialized value)"
+msgstr "نافذة التدقيق (قيمة تسلسلية)"
+
+msgid "No feeds are registered."
+msgstr "لا موجز مسجّل"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r غير مسجّل."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..55a61ec5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar_DZ/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c1d13f89
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-14 22:46+0000\n"
+"Last-Translator: Riterix <infosrabah@gmail.com>\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "GIS"
+msgstr "نظم المعلومات الجغرافية GIS"
+
+msgid "The base GIS field."
+msgstr "حقل نظم المعلومات الجغرافية الرئيسي"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"قاعدة الحقل الهندسي ترتكز لمواصفات نوع OpenGIS (نظم المعلومات الجغرافية "
+"المفتوحة) الهندسية."
+
+msgid "Point"
+msgstr "نقطة إحداثية"
+
+msgid "Line string"
+msgstr "سطر تسلسل أحرف"
+
+msgid "Polygon"
+msgstr "مُضلّع إحداثي"
+
+msgid "Multi-point"
+msgstr "نقاط إحداثية"
+
+msgid "Multi-line string"
+msgstr "تسلسل أحرف متعدد الأسطر"
+
+msgid "Multi polygon"
+msgstr "مجموعة مُضلعات إحداثية"
+
+msgid "Geometry collection"
+msgstr "مجموعة إحداثية"
+
+msgid "Extent Aggregate Field"
+msgstr "حقل مجموع التحصيل\""
+
+msgid "Raster Field"
+msgstr "حقل خطوط المسح التسامتي"
+
+msgid "No geometry value provided."
+msgstr "لم تُدخل أي أحداثيات."
+
+msgid "Invalid geometry value."
+msgstr "الإحداثيات غير صحيحة."
+
+msgid "Invalid geometry type."
+msgstr "نوع الإحداثيات غير صحيح."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "حدث خطأ أثناء تحويل geometry إلى حقل SRID."
+
+msgid "Delete all Features"
+msgstr "حذف جميع المميزات"
+
+msgid "WKT debugging window:"
+msgstr "نافذة تدقيق WKT:"
+
+msgid "Debugging window (serialized value)"
+msgstr "نافذة التدقيق (قيمة تسلسلية)"
+
+msgid "No feeds are registered."
+msgstr "لا موجز مسجّل"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r غير مسجّل"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4a347ba8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ast/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cf0ea5bf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 19:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Puntu"
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr "Polígonu"
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Nun s'apurrió'l valor de xeometría."
+
+msgid "Invalid geometry value."
+msgstr "Valor de xeometría inválidu."
+
+msgid "Invalid geometry type."
+msgstr "Triba de xeometría inválida."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Nun hai feeds rexistraos"
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1f2b3a96
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..83f1eb20
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Emin Mastizada <emin@linux.com>, 2018,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-12 07:23+0000\n"
+"Last-Translator: Emin Mastizada <emin@linux.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Təməl GIS sahəsi (field)."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Təməl Həndəsə sahəsi — OpenGIS Specification Geometry növünə işarətlənir."
+
+msgid "Point"
+msgstr "Nöqtə"
+
+msgid "Line string"
+msgstr "Xətt"
+
+msgid "Polygon"
+msgstr "Poliqon"
+
+msgid "Multi-point"
+msgstr "Nöqtələr"
+
+msgid "Multi-line string"
+msgstr "Xətlər"
+
+msgid "Multi polygon"
+msgstr "Poliqonlar"
+
+msgid "Geometry collection"
+msgstr "Fiqurlar çoxluğu"
+
+msgid "Extent Aggregate Field"
+msgstr "Aqreqat Sahəsini Genişləndir"
+
+msgid "Raster Field"
+msgstr "Rastr Sahəsi"
+
+msgid "No geometry value provided."
+msgstr "Həndəsi qiyməti verilməyib."
+
+msgid "Invalid geometry value."
+msgstr "Həndəsi qiyməti düzgün deyil."
+
+msgid "Invalid geometry type."
+msgstr "Həndəsi tipi düzgün deyil."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Fiquru vərəqənin fiqur sahəsinin SRID qiymətinə çevirərkən xəta baş verdi."
+
+msgid "Delete all Features"
+msgstr "Bütün Xüsusiyyətləri sil"
+
+msgid "WKT debugging window:"
+msgstr "WKT sazlama pəncərəsi:"
+
+msgid "Debugging window (serialized value)"
+msgstr "Sazlama pəncərəsi (seriallaşdırılmış dəyər)"
+
+msgid "No feeds are registered."
+msgstr "Qeyd edilmiş axın yoxdur."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "%r slug-ı qeyd edilməyib."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4773ef6d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2886c343
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2014-2015
+# znotdead <zhirafchik@gmail.com>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: znotdead <zhirafchik@gmail.com>, 2016,2019\n"
+"Language-Team: Belarusian (http://app.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "GIS"
+msgstr "ГІС"
+
+msgid "The base GIS field."
+msgstr "Галоўнае поле ГІС."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Галоўнае геаметрычнае поле — адлюстроўвае геамэтрычныя віды паводле "
+"спэцыфікацыі «OpenGIS»."
+
+msgid "Point"
+msgstr "Пункт"
+
+msgid "Line string"
+msgstr "Ломаная"
+
+msgid "Polygon"
+msgstr "Шматкутнік"
+
+msgid "Multi-point"
+msgstr "Набор пунктаў"
+
+msgid "Multi-line string"
+msgstr "Набор ломаных"
+
+msgid "Multi polygon"
+msgstr "Набор шматкутнікаў"
+
+msgid "Geometry collection"
+msgstr "Набор ґеамэтрычных аб’ектаў"
+
+msgid "Extent Aggregate Field"
+msgstr "Поле аб'яднанай плошчы"
+
+msgid "Raster Field"
+msgstr "Растравае поле"
+
+msgid "No geometry value provided."
+msgstr "Не пазначылі значэньне ґеамэтрыі."
+
+msgid "Invalid geometry value."
+msgstr "Хібнае значэньне ґеамэтрыі."
+
+msgid "Invalid geometry type."
+msgstr "Хібны від ґеамэтрыі."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Не ўдалося ператварыць ґеамэтрыю ў SRID."
+
+msgid "Delete all Features"
+msgstr "Выдаліць усе аб’екты"
+
+msgid "Debugging window (serialized value)"
+msgstr "Акно адладкі (сэрыялізаванае значэньне)"
+
+msgid "No feeds are registered."
+msgstr "Няма запісаных стужак."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Біркі %r няма ў запісаных."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bg/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..47756617
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Georgi Kostadinov <grgkostadinov@gmail.com>, 2012
+# Todor Lubenov <tlubenov@gmail.com>, 2016,2020
+# Todor Lubenov <tlubenov@gmail.com>, 2011,2015,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Todor Lubenov <tlubenov@gmail.com>, 2011,2015,2021\n"
+"Language-Team: Bulgarian (http://app.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Базово ГИС поле."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Базово Геометричнно поле — карти от OpenGIS Specification Geometry тип."
+
+msgid "Point"
+msgstr "Точка"
+
+msgid "Line string"
+msgstr "Линеен елемент"
+
+msgid "Polygon"
+msgstr "Полигон"
+
+msgid "Multi-point"
+msgstr "Комплексна-точка"
+
+msgid "Multi-line string"
+msgstr "Комплексен-линеен елемент"
+
+msgid "Multi polygon"
+msgstr "Комплексен полигон"
+
+msgid "Geometry collection"
+msgstr "Геометрична колекция"
+
+msgid "Extent Aggregate Field"
+msgstr "Разшири Полето за обединяване"
+
+msgid "Raster Field"
+msgstr "Растерно Поле"
+
+msgid "No geometry value provided."
+msgstr "Няма предоставена геометрична стойност."
+
+msgid "Invalid geometry value."
+msgstr "Невалидна геометрична стойност."
+
+msgid "Invalid geometry type."
+msgstr "Невалиден геометричен тип."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Възникна грешка при трансформиране на геометрията на SRID от полето "
+"геометрия."
+
+msgid "Delete all Features"
+msgstr "Изтрий всички обекти"
+
+msgid "Debugging window (serialized value)"
+msgstr "Debugging прозорец (сериализирана стойност)"
+
+msgid "No feeds are registered."
+msgstr "Няма регистрирани фийда."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r не е регистриран."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1168ac43
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..037e7d9e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tahmid Rafi <rafi.tahmid@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "জিআইএস"
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "বিন্দু"
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr "বহুভুজ"
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "কোন জ্যামিতিক মান দেয়া হয়নি।"
+
+msgid "Invalid geometry value."
+msgstr "জ্যামিতিক মানটি বৈধ নয়।"
+
+msgid "Invalid geometry type."
+msgstr "জ্যামিতিক নমুনাটি বৈধ নয়।"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "%r স্লাগটি রেজিস্টারকৃত নয়।"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0829bd0f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d29da14e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fulup <fulup.jakez@gmail.com>, 2012
+# Irriep Nala Novram <allannkorh@yahoo.fr>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2019-03-12 14:10+0000\n"
+"Last-Translator: Irriep Nala Novram <allannkorh@yahoo.fr>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Pik"
+
+msgid "Line string"
+msgstr "Chadenn segmant"
+
+msgid "Polygon"
+msgstr "Poligon"
+
+msgid "Multi-point"
+msgstr "Liespik"
+
+msgid "Multi-line string"
+msgstr "Lies chadenn segmant"
+
+msgid "Multi polygon"
+msgstr "Liespoligon"
+
+msgid "Geometry collection"
+msgstr "Dastumad mentoniezh"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Talvoudegezh mentoniezh roet ebet."
+
+msgid "Invalid geometry value."
+msgstr "Talvoudegezh mentoniezh direizh."
+
+msgid "Invalid geometry type."
+msgstr "Doare mentoniezh direizh."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ur fazi a zo c'hoarvezet da vare treuzfurmadur an objed mentoniezhel e-barzh "
+"ar vaezienn stumm mentoniezhel SRID."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Neket enrollet ar \"slug\" %r."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..df48c3de
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e6a8de27
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Tačka"
+
+msgid "Line string"
+msgstr "Linijska nit"
+
+msgid "Polygon"
+msgstr "Poligon"
+
+msgid "Multi-point"
+msgstr "Multi-point"
+
+msgid "Multi-line string"
+msgstr "Višelinijska nit"
+
+msgid "Multi polygon"
+msgstr "Multi poligon"
+
+msgid "Geometry collection"
+msgstr "Geometrijska kolekcija"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Niste zadali parametre za geometriju."
+
+msgid "Invalid geometry value."
+msgstr "Neispravan parametar za geometriju."
+
+msgid "Invalid geometry type."
+msgstr "Nepostojeći tip geometrije."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Došlo je do greške tokom pretvaranje geometrije u SRID geometrijskom polja "
+"obrazca."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5eca653a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8406866a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2012,2015
+# Carles Barrobés <carles@barrobes.com>, 2012,2014
+# duub qnnp, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Manel Clos <manelclos@gmail.com>, 2020
+# Roger Pons <rogerpons@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Manel Clos <manelclos@gmail.com>, 2020\n"
+"Language-Team: Catalan (http://app.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "El camp base de GIS"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"El camp base Geometry -- correspon al tipus Geometry de l'especificació "
+"OpenGIS."
+
+msgid "Point"
+msgstr "Punt"
+
+msgid "Line string"
+msgstr "Cadena de línies"
+
+msgid "Polygon"
+msgstr "Polígon"
+
+msgid "Multi-point"
+msgstr "Multi-punt"
+
+msgid "Multi-line string"
+msgstr "Cadena de multi-línies"
+
+msgid "Multi polygon"
+msgstr "Multi polígon"
+
+msgid "Geometry collection"
+msgstr "Col·leció de geometria"
+
+msgid "Extent Aggregate Field"
+msgstr "Estén camp agregat"
+
+msgid "Raster Field"
+msgstr "Camp de mapa de bits"
+
+msgid "No geometry value provided."
+msgstr "No s'ha indicat cap valor de geometria."
+
+msgid "Invalid geometry value."
+msgstr "Valor de geometria invàlid."
+
+msgid "Invalid geometry type."
+msgstr "Tipus de geometria invàlid."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"S'ha produït un error en transformar la geometria al SRID del camp de "
+"geometria del formulari."
+
+msgid "Delete all Features"
+msgstr "Elimina totes les característiques"
+
+msgid "Debugging window (serialized value)"
+msgstr "Finestra de depuració (valor serialitzat)"
+
+msgid "No feeds are registered."
+msgstr "No s'han registrat canal de contingut"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "El 'slug' %r no està registrat"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..912945fb
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2d7b7e37
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# kosar tofiq <kosar.belana@gmail.com>, 2020
+# Swara <swara09@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Swara <swara09@gmail.com>, 2022\n"
+"Language-Team: Central Kurdish (http://app.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "خانەی بنەڕەتی GIS."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"خانەی بنەڕەتی ئەندازەیی - نەخشەکان بۆ جۆری تایبەتمەندیە ئەندازەییەکانی "
+"OpenGIS."
+
+msgid "Point"
+msgstr "خاڵ"
+
+msgid "Line string"
+msgstr "هێڵی ڕیزبه‌ند"
+
+msgid "Polygon"
+msgstr "فرەگۆشە"
+
+msgid "Multi-point"
+msgstr "فرەخاڵ"
+
+msgid "Multi-line string"
+msgstr "ڕیزبەندی فرەهێڵ"
+
+msgid "Multi polygon"
+msgstr "فرەگۆشە"
+
+msgid "Geometry collection"
+msgstr "کۆکراوەی ئەندازەیی"
+
+msgid "Extent Aggregate Field"
+msgstr "خانەی کۆکراوەی فراوان"
+
+msgid "Raster Field"
+msgstr "خانەی ڕاستەر"
+
+msgid "No geometry value provided."
+msgstr "هیچ بەهایەکی ئەندازەیی دابیننەکراوە."
+
+msgid "Invalid geometry value."
+msgstr "بەهای ئەندازەیی نادروستە."
+
+msgid "Invalid geometry type."
+msgstr "جۆری ئەندازەیی نادروستە."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"هەڵەیەک ڕوویدا لە کاتی گۆڕینی ئەندازەییەکە بۆ SRID ی خانەی فۆڕمی ئەندازەیی."
+
+msgid "Delete all Features"
+msgstr "سڕینەوەی هەموو تایبتمەندیەکان"
+
+msgid "Debugging window (serialized value)"
+msgstr "پەنجەرەی هەڵەدۆزینەوە (بەهای زنجیرەیی)"
+
+msgid "No feeds are registered."
+msgstr "هیچ پێدانێک تۆمارنەکراوە."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "سلەگی %r تۆمارنەکراوە."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cc89d691
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b22d732d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2012,2014
+# Vláďa Macek <macek@sandbox.cz>, 2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Vláďa Macek <macek@sandbox.cz>, 2015,2019\n"
+"Language-Team: Czech (http://app.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Základní pole GIS"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Základní geometrické datové pole — mapuje se na typ OpenGIS Specification "
+"Geometry."
+
+msgid "Point"
+msgstr "Bod"
+
+msgid "Line string"
+msgstr "Úsek čáry"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Mnohonásobný bod"
+
+msgid "Multi-line string"
+msgstr "Mnohonásobný úsek čáry"
+
+msgid "Multi polygon"
+msgstr "Mnohonásobný polygon"
+
+msgid "Geometry collection"
+msgstr "Kolekce geometrií"
+
+msgid "Extent Aggregate Field"
+msgstr "Pole Extent Aggregate"
+
+msgid "Raster Field"
+msgstr "Pole Raster"
+
+msgid "No geometry value provided."
+msgstr "Hodnota geometrie nezadána."
+
+msgid "Invalid geometry value."
+msgstr "Neplatná hodnota geometrie."
+
+msgid "Invalid geometry type."
+msgstr "Neplatný typ geometrie."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Nastala chyba při transformaci geometrie na identifikátor SRID geometrického "
+"formulářového pole."
+
+msgid "Delete all Features"
+msgstr "Odstranit všechny vlastnosti"
+
+msgid "Debugging window (serialized value)"
+msgstr "Ladicí okno (serializovaná hodnota)"
+
+msgid "No feeds are registered."
+msgstr "Žádné dávky nejsou registrované."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Identifikátor %r není registrován."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..50cd7c49
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a12d85f2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 19:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Pwynt"
+
+msgid "Line string"
+msgstr "Llinyn llinell"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Aml-bwynt"
+
+msgid "Multi-line string"
+msgstr "Llinyn aml-linell"
+
+msgid "Multi polygon"
+msgstr "Aml-bolygon"
+
+msgid "Geometry collection"
+msgstr "Casgliad geometreg"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Ni ddarparwyd gwerth geometreg"
+
+msgid "Invalid geometry value."
+msgstr "Gwerth geometreg annilys"
+
+msgid "Invalid geometry type."
+msgstr "Math geometreg annilys"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Roedd gwall tra'n trawsnewid y geometreg i SRID y maes ffurflen geometreg."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Does dim un llif wedi ei gofrestru."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Malwen %r heb ei gofrestru."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a489e6f1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/da/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4e1999cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2012,2014-2015,2019
+# Finn Gruwier Larsen, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kristian Øllegaard <kristian@oellegaard.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Erik Ramsgaard Wognsen <r4mses@gmail.com>, "
+"2012,2014-2015,2019\n"
+"Language-Team: Danish (http://app.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Basis-GIS-feltet."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "Basisgeometrifeltet — mapper til OpenGIS Specification Geometry-typen."
+
+msgid "Point"
+msgstr "Punkt"
+
+msgid "Line string"
+msgstr "Linjesegment"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Multipunkt"
+
+msgid "Multi-line string"
+msgstr "Multilinjesegment"
+
+msgid "Multi polygon"
+msgstr "Multipolygon"
+
+msgid "Geometry collection"
+msgstr "Geometrisamling"
+
+msgid "Extent Aggregate Field"
+msgstr "Extent Aggregate-felt"
+
+msgid "Raster Field"
+msgstr "Raster-felt"
+
+msgid "No geometry value provided."
+msgstr "Ingen værdi givet for geometri."
+
+msgid "Invalid geometry value."
+msgstr "Ugyldig geometriværdi."
+
+msgid "Invalid geometry type."
+msgstr "Ugyldig gemometritype."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Der opstod en fejl ved transformation af geometrien til formularfeltets SRID"
+
+msgid "Delete all Features"
+msgstr "Slet alle Features"
+
+msgid "Debugging window (serialized value)"
+msgstr "Fejlsøgninsvindue (serialiseret værdi)"
+
+msgid "No feeds are registered."
+msgstr "Ingen feeds registrerede."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "\"Slug\" %r er ikke registreret."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..166c1f01
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..54b4b207
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Hagenbruch, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011-2012,2014-2015,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>, "
+"2011-2012,2014-2015,2020\n"
+"Language-Team: German (http://app.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Das Basis-GIS-Feld."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Das Basis-GIS-Feld – verwendet den Geometrie-Typ der OpenGIS-Spezifikation."
+
+msgid "Point"
+msgstr "Punkt"
+
+msgid "Line string"
+msgstr "Linienzug"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Mehrere Punkte"
+
+msgid "Multi-line string"
+msgstr "Mehrere Linienzüge"
+
+msgid "Multi polygon"
+msgstr "Mehrere Polygone"
+
+msgid "Geometry collection"
+msgstr "Sammlung geometrischer Objekte"
+
+msgid "Extent Aggregate Field"
+msgstr "Ausmaße-Aggregat-Feld"
+
+msgid "Raster Field"
+msgstr "Raster-Feld"
+
+msgid "No geometry value provided."
+msgstr "Kein geometrischer Wert gegeben."
+
+msgid "Invalid geometry value."
+msgstr "Ungültiger geometrischer Wert."
+
+msgid "Invalid geometry type."
+msgstr "Ungültiger geometrischer Typ."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ein Fehler ist beim Umwandeln der Geometrie-Werte in die SRID des Geometrie-"
+"Formularfeldes aufgetreten."
+
+msgid "Delete all Features"
+msgstr "Alles löschen"
+
+msgid "Debugging window (serialized value)"
+msgstr "Debugging-Fenster (serialisierter Wert)"
+
+msgid "No feeds are registered."
+msgstr "Keine Feeds registriert."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Kürzel %r ist nicht registriert."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d8372f67
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e3a8b17a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>, 2016,2020\n"
+"Language-Team: Lower Sorbian (http://app.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Bazowe pólo GIS."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Bazowe geometrijowe pólo -- wužywa geometrijowy typ specifikacije OpenGIS."
+
+msgid "Point"
+msgstr "Dypk"
+
+msgid "Line string"
+msgstr "Cera"
+
+msgid "Polygon"
+msgstr "Wjelerožk"
+
+msgid "Multi-point"
+msgstr "Někotare dypki"
+
+msgid "Multi-line string"
+msgstr "Někotare cery"
+
+msgid "Multi polygon"
+msgstr "Někotare wjelerožki"
+
+msgid "Geometry collection"
+msgstr "Geometrijowa zběrka"
+
+msgid "Extent Aggregate Field"
+msgstr "Pólo „Extent Aggregate"
+
+msgid "Raster Field"
+msgstr "Rasterowe pólo"
+
+msgid "No geometry value provided."
+msgstr "Žedna geometrijowa gódnota pódana."
+
+msgid "Invalid geometry value."
+msgstr "Njepłaśiwa geometrijowa gódnota."
+
+msgid "Invalid geometry type."
+msgstr "Njepłaśiwy geometrijowy typ."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Zmólka jo se nastała, gaž geometrija jo se do SRID póla geometrijowego "
+"formulara pśetwóriła."
+
+msgid "Delete all Features"
+msgstr "Wšykne funkcije lašowaś"
+
+msgid "Debugging window (serialized value)"
+msgstr "Wokno pytanja zmólkow (serializěrowana gódnota)"
+
+msgid "No feeds are registered."
+msgstr "Žedne kanale njejsu zregistrěrowane."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Adresowe mě %r njejo zregistrěrowane."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dcddabb5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..776107e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Anastasiadis Stavros <anastasiadis.st00@gmail.com>, 2014
+# Dimitris Glezos <glezos@transifex.com>, 2011
+# Elena Andreou <helenaandreou.ha@gmail.com>, 2016
+# Fotis Athineos <fotis@transifex.com>, 2021
+# Kostas Papadimitriou <vinilios@gmail.com>, 2012
+# Nick Mavrakis <mavrakis.n@gmail.com>, 2016
+# Pãnoș <panos.laganakos@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Fotis Athineos <fotis@transifex.com>, 2021\n"
+"Language-Team: Greek (http://app.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr " Γεωγραφικά Συστήματα Πληροφορίας"
+
+msgid "The base GIS field."
+msgstr "Το βασικό GIS πεδίο."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Το βασικό Γεωμετρικό πεδίο — αντιστοιχεί στον τύπο της Γεωμετρικής "
+"Προδιαγραφής OpenGIS."
+
+msgid "Point"
+msgstr "Σημείο"
+
+msgid "Line string"
+msgstr "Γραμμή string"
+
+msgid "Polygon"
+msgstr "Πολύγωνο"
+
+msgid "Multi-point"
+msgstr "Πολλαπλό σημείο"
+
+msgid "Multi-line string"
+msgstr "Multi-line string"
+
+msgid "Multi polygon"
+msgstr "Πολλαπλό πολύγωνο"
+
+msgid "Geometry collection"
+msgstr "Συλλογή γεωμετριών"
+
+msgid "Extent Aggregate Field"
+msgstr "Πεδίο Extent Aggregate"
+
+msgid "Raster Field"
+msgstr "Πεδίο Raster"
+
+msgid "No geometry value provided."
+msgstr "Δε δόθηκε τιμή γεωμετρίας."
+
+msgid "Invalid geometry value."
+msgstr "Άκυρη γεωμετρική τιμή."
+
+msgid "Invalid geometry type."
+msgstr "Άκυρος γεωμετρικός τύπος."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Παρουσιάστηκε σφάλμα κατά τη μετατροπή της γεωμετρίας στο SRID του πεδίου "
+"της φόρμας  γεωμετρίας."
+
+msgid "Delete all Features"
+msgstr "Διαγραφή όλων των αντικειμένων"
+
+msgid "Debugging window (serialized value)"
+msgstr "Παράθυρο αποσφαλμάτωσης (σειριακή τιμή)"
+
+msgid "No feeds are registered."
+msgstr "Δεν υπάρχουν εγγεγραμμένες ροές ειδήσεων."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Το slug %r δεν έχει καταχωρηθεί."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c6e3d72e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,98 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: contrib/gis/apps.py:9
+msgid "GIS"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:81
+msgid "The base GIS field."
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:233
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:332
+msgid "Point"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:339
+msgid "Line string"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:346
+msgid "Polygon"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:353
+msgid "Multi-point"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:360
+msgid "Multi-line string"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:367
+msgid "Multi polygon"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:374
+msgid "Geometry collection"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:380
+msgid "Extent Aggregate Field"
+msgstr ""
+
+#: contrib/gis/db/models/fields.py:395
+msgid "Raster Field"
+msgstr ""
+
+#: contrib/gis/forms/fields.py:21
+msgid "No geometry value provided."
+msgstr ""
+
+#: contrib/gis/forms/fields.py:22
+msgid "Invalid geometry value."
+msgstr ""
+
+#: contrib/gis/forms/fields.py:23
+msgid "Invalid geometry type."
+msgstr ""
+
+#: contrib/gis/forms/fields.py:25
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+#: contrib/gis/templates/gis/openlayers.html:6
+msgid "Delete all Features"
+msgstr ""
+
+#: contrib/gis/templates/gis/openlayers.html:7
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+#: contrib/gis/views.py:8
+msgid "No feeds are registered."
+msgstr ""
+
+#: contrib/gis/views.py:14
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..49b53432
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d107919f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/projects/p/"
+"django/language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0f309679
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0fe82304
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# jon_atkinson <jon@jonatkinson.co.uk>, 2011
+# Ross Poulton <ross@rossp.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Point"
+
+msgid "Line string"
+msgstr "Line string"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Multi-point"
+
+msgid "Multi-line string"
+msgstr "Multi-line string"
+
+msgid "Multi polygon"
+msgstr "Multi polygon"
+
+msgid "Geometry collection"
+msgstr "Geometry collection"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "No geometry value provided."
+
+msgid "Invalid geometry value."
+msgstr "Invalid geometry value."
+
+msgid "Invalid geometry type."
+msgstr "Invalid geometry type."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "No feeds are registered."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Slug %r isn't registered."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b96c9c2f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..16ef0c11
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2012
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2014-2015
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023\n"
+"Language-Team: Esperanto (http://app.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "La baza GIS kampo."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "La baza Geometry kampo — korelas al la OpenGIS Specifa Geometrio tipo."
+
+msgid "Point"
+msgstr "Punkto"
+
+msgid "Line string"
+msgstr "Liniŝnuro"
+
+msgid "Polygon"
+msgstr "Plurangulo"
+
+msgid "Multi-point"
+msgstr "Multpunkto"
+
+msgid "Multi-line string"
+msgstr "Multlinia ŝnuro"
+
+msgid "Multi polygon"
+msgstr "Multplurangulo"
+
+msgid "Geometry collection"
+msgstr "Geometriaro"
+
+msgid "Extent Aggregate Field"
+msgstr "Etenda kunmetita kampo"
+
+msgid "Raster Field"
+msgstr "Rastruma kampo"
+
+msgid "No geometry value provided."
+msgstr "Neniu geometria valoro provizas."
+
+msgid "Invalid geometry value."
+msgstr "Malvalida geometria valoro."
+
+msgid "Invalid geometry type."
+msgstr "Malvalida geometria tipo."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Eraro okazis dum transformi la geometrion al la SRID de la geometria forma "
+"kampo."
+
+msgid "Delete all Features"
+msgstr "Forigi ĉiuj trajtoj"
+
+msgid "Debugging window (serialized value)"
+msgstr "Elcimigita fenestro (seriigita valoro)"
+
+msgid "No feeds are registered."
+msgstr "Neniu fluo estas registrita."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Ĵetonvorto %r ne estas registrita."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c32e28cf
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fa2c02d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2012,2015-2016,2019
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2015
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2020
+# Igor Támara <igor@tamarapatino.org>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Josue Naaman Nistal Guerra <josuenistal@hotmail.com>, 2014
+# Marc Garcia <garcia.marc@gmail.com>, 2011
+# Uriel Medina <urimeba511@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>, 2020\n"
+"Language-Team: Spanish (http://app.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "El campo GIS base."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"El campo base Geometry — coincide con el tipo OpenGIS Specification Geometry."
+
+msgid "Point"
+msgstr "Punto"
+
+msgid "Line string"
+msgstr "Cadena de línea"
+
+msgid "Polygon"
+msgstr "Polígono"
+
+msgid "Multi-point"
+msgstr "Punto múltiple"
+
+msgid "Multi-line string"
+msgstr "Cadena de línea múltiple"
+
+msgid "Multi polygon"
+msgstr "Polígono múltiple"
+
+msgid "Geometry collection"
+msgstr "Colección de \"Geometry\""
+
+msgid "Extent Aggregate Field"
+msgstr "Extensión de campo agregado"
+
+msgid "Raster Field"
+msgstr "Campo Raster"
+
+msgid "No geometry value provided."
+msgstr "No se indico ningún valor de geometría."
+
+msgid "Invalid geometry value."
+msgstr "Valor de geometría inválido."
+
+msgid "Invalid geometry type."
+msgstr "Tipo de geometría inválido."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ocurrió un error al transformar la geometria al SRID de la geometria del "
+"campo de formulario."
+
+msgid "Delete all Features"
+msgstr "Borrar todos los elementos"
+
+msgid "Debugging window (serialized value)"
+msgstr "Ventana de depuración (valores serializados)"
+
+msgid "No feeds are registered."
+msgstr "No se han registrado canales de contenido."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "El slug %r no está registrado."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2dd67303
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_AR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7853f22c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2012,2014-2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Ramiro Morales, 2012,2014-2015,2019\n"
+"Language-Team: Spanish (Argentina) (http://app.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "SIG"
+
+msgid "The base GIS field."
+msgstr "El campo GIS base"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"El campo Geometry base — corresponde al tipo Geometry de la especificación "
+"OpenGIS."
+
+msgid "Point"
+msgstr "Punto"
+
+msgid "Line string"
+msgstr "Secuencia de líneas"
+
+msgid "Polygon"
+msgstr "Polígono"
+
+msgid "Multi-point"
+msgstr "Multi-punto"
+
+msgid "Multi-line string"
+msgstr "Cadena multi-línea"
+
+msgid "Multi polygon"
+msgstr "Multi polígono"
+
+msgid "Geometry collection"
+msgstr "Colección de Geometry's"
+
+msgid "Extent Aggregate Field"
+msgstr "Campo Extent Aggregate"
+
+msgid "Raster Field"
+msgstr "Campo Raster"
+
+msgid "No geometry value provided."
+msgstr "No se ha proporcionado un valor de geometría."
+
+msgid "Invalid geometry value."
+msgstr "Valor de geometría no válido."
+
+msgid "Invalid geometry type."
+msgstr "Tipo de geometría no válido."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ha ocurrido un error mientras se transformaba la geometría al SRID del campo "
+"de formulario de la misma."
+
+msgid "Delete all Features"
+msgstr "Eliminar todas las Features"
+
+msgid "Debugging window (serialized value)"
+msgstr "Ventana de depuración (valor serializado)"
+
+msgid "No feeds are registered."
+msgstr "No se han registrado feeds."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "El slug %r no está registrado."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e1bba326
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..96f3d6d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2012,2015
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2015
+# Igor Támara <igor@tamarapatino.org>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Josue Naaman Nistal Guerra <josuenistal@hotmail.com>, 2014
+# Marc Garcia <garcia.marc@gmail.com>, 2011
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023\n"
+"Language-Team: Spanish (Colombia) (http://app.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "El campo GIS base."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Punto"
+
+msgid "Line string"
+msgstr "Cadena de línea"
+
+msgid "Polygon"
+msgstr "Polígono"
+
+msgid "Multi-point"
+msgstr "Punto múltiple"
+
+msgid "Multi-line string"
+msgstr "Cadena de línea múltiple"
+
+msgid "Multi polygon"
+msgstr "Polígono múltiple"
+
+msgid "Geometry collection"
+msgstr "Colección de \"Geometry\""
+
+msgid "Extent Aggregate Field"
+msgstr "Extensión de campo agregado"
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "No se indico ningún valor de geometría."
+
+msgid "Invalid geometry value."
+msgstr "Valor de geometría inválido."
+
+msgid "Invalid geometry type."
+msgstr "Tipo de geometría inválido."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ocurrió un error al transformar la geometria al SRID de la geometria del "
+"campo de formulario."
+
+msgid "Delete all Features"
+msgstr "Borrar todos los elementos"
+
+msgid "Debugging window (serialized value)"
+msgstr "Ventana de depuración (valores serializados)"
+
+msgid "No feeds are registered."
+msgstr "No se han registrado canales de contenido."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "El slug %r no está registrado."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e0696d5a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..85698c5f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abraham Estrada, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Punto"
+
+msgid "Line string"
+msgstr "Secuencia de líneas"
+
+msgid "Polygon"
+msgstr "Polígono"
+
+msgid "Multi-point"
+msgstr "Multi-punto"
+
+msgid "Multi-line string"
+msgstr "Cadena multi-línea"
+
+msgid "Multi polygon"
+msgstr "Multi polígonos"
+
+msgid "Geometry collection"
+msgstr "Colección de geometrías"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "No se ha proporcionado un valor de geometría."
+
+msgid "Invalid geometry value."
+msgstr "Valor de geometría no válido."
+
+msgid "Invalid geometry type."
+msgstr "Tipo de geometría no válido."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ha ocurrido un error mientras se transformaba la geometría al SRID del campo "
+"de formulario de la misma."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "No hay feeds registrados."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "El slug %r no está registrado."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..23ec22d3
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7d4117db
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/projects/p/"
+"django/language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f052b4ce
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/et/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5eeb1e30
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# eallik <eallik@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2013-2015
+# madisvain <madisvain@gmail.com>, 2011
+# Martin <martinpajuste@gmail.com>, 2015
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Ragnar Rebase <rrebase@gmail.com>, 2019\n"
+"Language-Team: Estonian (http://app.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Baas GIS väli."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Baas Geomeetria väli -- ühildub OpenGIS Spetsifikatsiooni Geomeetria tüübiga."
+
+msgid "Point"
+msgstr "Punkt"
+
+msgid "Line string"
+msgstr "Üherea tekst"
+
+msgid "Polygon"
+msgstr "Polügon"
+
+msgid "Multi-point"
+msgstr "Multi-punkt"
+
+msgid "Multi-line string"
+msgstr "Mitmerealine string"
+
+msgid "Multi polygon"
+msgstr "Multi-polügon"
+
+msgid "Geometry collection"
+msgstr "Geomeetriakogum"
+
+msgid "Extent Aggregate Field"
+msgstr "Laiendi Agregeeritud Väli"
+
+msgid "Raster Field"
+msgstr "Rastri Väli"
+
+msgid "No geometry value provided."
+msgstr "Geomeetriline väärtus puudub."
+
+msgid "Invalid geometry value."
+msgstr "Vigane geomeetriline väärtus."
+
+msgid "Invalid geometry type."
+msgstr "Vigane geomeetriline tüüp."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Geomeetria teisendamisel geomeetria vormivälja SRID-ks tekkis viga."
+
+msgid "Delete all Features"
+msgstr "Kustuta kõik Vahendid"
+
+msgid "Debugging window (serialized value)"
+msgstr "Siluri aken (järjestikväärtus)"
+
+msgid "No feeds are registered."
+msgstr "Ühtegi voogu pole registreeritud."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Nälk %r ei ole registeeritud."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9118c75c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c45fe36f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aitzol Naberan <anaberan@codesyntax.com>, 2011-2012
+# Eneko Illarramendi <eneko@illarra.com>, 2017
+# Urtzi Odriozola <urtzi.odriozola@gmail.com>, 2017,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Urtzi Odriozola <urtzi.odriozola@gmail.com>, 2017,2021\n"
+"Language-Team: Basque (http://app.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Oinarrizko GIS eremua."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Oinarrizko Geometria eremua — OpenGIS zehaztapeneko Geomtry motarentzat mapak"
+
+msgid "Point"
+msgstr "Puntua"
+
+msgid "Line string"
+msgstr "Lerro string-a"
+
+msgid "Polygon"
+msgstr "Poligonoa"
+
+msgid "Multi-point"
+msgstr "Puntu anitz"
+
+msgid "Multi-line string"
+msgstr "Lerro-anitzeko string-a"
+
+msgid "Multi polygon"
+msgstr "Multi poligonoa"
+
+msgid "Geometry collection"
+msgstr "Geometria bilduma"
+
+msgid "Extent Aggregate Field"
+msgstr "Eremu agregatu hedatua"
+
+msgid "Raster Field"
+msgstr "Raster eremua"
+
+msgid "No geometry value provided."
+msgstr "Ez fa geometria baliorik eman."
+
+msgid "Invalid geometry value."
+msgstr "Geometria balio okera."
+
+msgid "Invalid geometry type."
+msgstr "Geometria mota okerra."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Errore bat gertatu da geometria bere form eremuaren SRIDra biurtzean."
+
+msgid "Delete all Features"
+msgstr "Ezabatu ezaugarri guztiak"
+
+msgid "Debugging window (serialized value)"
+msgstr "Arazketa leihoa (balio serializatua)"
+
+msgid "No feeds are registered."
+msgstr "Ez dago jariorik erregistratuta."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "%r sluga ez dago erregistratuta."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..51f9f5ff
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..966ddade
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Nikneshan <ali@nikneshan.com>, 2012-2013,2020
+# Alireza Savand <alireza.savand@gmail.com>, 2013
+# Ali Vakilzade <ali.vakilzade@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Pouya Abbassi, 2016
+# Saeed <sd.javadi@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Ali Nikneshan <ali@nikneshan.com>, 2012-2013,2020\n"
+"Language-Team: Persian (http://app.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "GIS"
+msgstr "جی‌آی‌اس"
+
+msgid "The base GIS field."
+msgstr "پایه‌ی سیستم اطلاعات جغرافیایی میدانی."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "پایه‌ی فیلد هندسی --نوع خاص هندسه‌ی نقشه‌ها‌ی نوع OpenGIS"
+
+msgid "Point"
+msgstr "نقطه"
+
+msgid "Line string"
+msgstr "رشته خط"
+
+msgid "Polygon"
+msgstr "چندضلعی"
+
+msgid "Multi-point"
+msgstr "چند نقطه ای"
+
+msgid "Multi-line string"
+msgstr "چند خط رشته"
+
+msgid "Multi polygon"
+msgstr "چندین چند ضلعی "
+
+msgid "Geometry collection"
+msgstr "مجموعه هندسی"
+
+msgid "Extent Aggregate Field"
+msgstr "تراکم وسعت حوزه‌ی "
+
+msgid "Raster Field"
+msgstr "حوزه‌ی شطرنجی"
+
+msgid "No geometry value provided."
+msgstr "مقدار جغرافیایی‌ای مقرر نشده است."
+
+msgid "Invalid geometry value."
+msgstr "مقدار جغرافیایی نامعتبر"
+
+msgid "Invalid geometry type."
+msgstr "نوعِ جغرافیایی نامعتبر"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "مشکلی در هنگام انتقال مختصات هندسی از فیلد به SRID رخ داد."
+
+msgid "Delete all Features"
+msgstr "حذف همه‌ی اشیاء"
+
+msgid "Debugging window (serialized value)"
+msgstr "پنجره‌ی اشکال زدایی (ارزش متوالی)"
+
+msgid "No feeds are registered."
+msgstr "هیچ فیدی ثبت شده است."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r ثبت نشده"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..180a3a29
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dc671083
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2020
+# Antti Kaihola <antti.15+transifex@kaihola.fi>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Aarni Koskela, 2015,2020\n"
+"Language-Team: Finnish (http://app.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "Paikkatietojärjestelmä"
+
+msgid "The base GIS field."
+msgstr "GIS-peruskenttä."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "Geometriaperuskenttä – vastaa OpenGIS-määrittelyn geometriatyyppiä."
+
+msgid "Point"
+msgstr "Piste"
+
+msgid "Line string"
+msgstr "Murtoviiva"
+
+msgid "Polygon"
+msgstr "Polygoni"
+
+msgid "Multi-point"
+msgstr "Monipiste"
+
+msgid "Multi-line string"
+msgstr "Monimurtoviiva"
+
+msgid "Multi polygon"
+msgstr "Monipolygoni"
+
+msgid "Geometry collection"
+msgstr "Geometriakokoelma"
+
+msgid "Extent Aggregate Field"
+msgstr "Laajuusaggregaattikenttä"
+
+msgid "Raster Field"
+msgstr "Rasterikenttä"
+
+msgid "No geometry value provided."
+msgstr "Geometria-arvoa ei annettu."
+
+msgid "Invalid geometry value."
+msgstr "Virheellinen geometria-arvo."
+
+msgid "Invalid geometry type."
+msgstr "Virheellinen geometriatyyppi."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Kentän SRID-muunnoksessa tapahtui virhe."
+
+msgid "Delete all Features"
+msgstr "Poista kaikki ominaisuudet"
+
+msgid "Debugging window (serialized value)"
+msgstr "Debuggausikkuna (sarjoitettu arvo)"
+
+msgid "No feeds are registered."
+msgstr "Syötteitä ei ole rekisteröity."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Lyhytnimeä %r ei ole rekisteröity."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d1bff9f3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6b9c044c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2014-2015,2017,2019
+# Claude Paroz <claude@2xlibre.net>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>, 2014-2015,2017,2019\n"
+"Language-Team: French (http://app.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "GIS"
+msgstr "SIG"
+
+msgid "The base GIS field."
+msgstr "Le champ SIG de base."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Le champ géométrique de base, correspond au type Geometry de la "
+"spécification OpenGIS."
+
+msgid "Point"
+msgstr "Point"
+
+msgid "Line string"
+msgstr "Chaîne de segment"
+
+msgid "Polygon"
+msgstr "Polygone"
+
+msgid "Multi-point"
+msgstr "Multipoint"
+
+msgid "Multi-line string"
+msgstr "Chaîne multisegment"
+
+msgid "Multi polygon"
+msgstr "Multipolygone"
+
+msgid "Geometry collection"
+msgstr "Collection géométrique"
+
+msgid "Extent Aggregate Field"
+msgstr "Champ d’agrégation d’étendue"
+
+msgid "Raster Field"
+msgstr "Champ matriciel"
+
+msgid "No geometry value provided."
+msgstr "Aucune valeur géométrique fournie."
+
+msgid "Invalid geometry value."
+msgstr "Valeur géométrique non valide."
+
+msgid "Invalid geometry type."
+msgstr "Type de géométrie non valide."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Une erreur est survenue lors de la transformation de l’objet géométrique "
+"dans le SRID du champ de formulaire géométrique."
+
+msgid "Delete all Features"
+msgstr "Supprimer toutes les localisations"
+
+msgid "Debugging window (serialized value)"
+msgstr "Fenêtre de débogage (valeur sérialisée)"
+
+msgid "No feeds are registered."
+msgstr "Aucun flux enregistré."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Le slug %r n’est pas enregistré."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..19b093b5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9426d488
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..846f0d55
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e8de66a3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Michael Thornhill <michael@maithu.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Pointe"
+
+msgid "Line string"
+msgstr "Líne teaghrán"
+
+msgid "Polygon"
+msgstr "Polagán"
+
+msgid "Multi-point"
+msgstr "Il-phointe"
+
+msgid "Multi-line string"
+msgstr "Il-líne teaghrán"
+
+msgid "Multi polygon"
+msgstr "Il polagán"
+
+msgid "Geometry collection"
+msgstr "Céimseata bhailiú"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Ní soláthair méid geoiméadracht"
+
+msgid "Invalid geometry value."
+msgstr "Méid geoiméadracht neamhbhailí"
+
+msgid "Invalid geometry type."
+msgstr "Tíopa geoiméadracht neamhbhailí"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Tharla earráid ag claochlú an geoiméadracht go dtí SRID an réimse fhoirm "
+"geoiméadracht."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Níl fothaí cláraithe."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Níl slug %r cláraithe."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..477fb2c5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fc2d14a0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015-2016
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: GunChleoc, 2015\n"
+"Language-Team: Gaelic, Scottish (http://app.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Bun-raon GIS."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Bun-raon geomatrais – thèid a mhapachadh dhan t-seòrsa geomatrais a chaidh a "
+"shònrachadh le OpenGIS."
+
+msgid "Point"
+msgstr "Puing"
+
+msgid "Line string"
+msgstr "Sreang loidhne"
+
+msgid "Polygon"
+msgstr "Ioma-cheàrnach"
+
+msgid "Multi-point"
+msgstr "Iomadh-phuing"
+
+msgid "Multi-line string"
+msgstr "Sreang ioma-loidhne"
+
+msgid "Multi polygon"
+msgstr "Iomadh ioma-cheàrnach"
+
+msgid "Geometry collection"
+msgstr "Cruinneachadh geomatrais"
+
+msgid "Extent Aggregate Field"
+msgstr "Raon agragaid a tha ann"
+
+msgid "Raster Field"
+msgstr "Raon raster"
+
+msgid "No geometry value provided."
+msgstr "Cha deach luach geomatrais a shònrachadh."
+
+msgid "Invalid geometry value."
+msgstr "Luach geomatrais mì-dhligheach."
+
+msgid "Invalid geometry type."
+msgstr "Seòrsa geomatrais mì-dhligheach."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Thachair mearachd le thar-mhùthadh a’ gheomatrais gun SRID aig raon foirme "
+"a’ gheomatrais."
+
+msgid "Delete all Features"
+msgstr "Sguab às a h-uile gleus"
+
+msgid "Debugging window (serialized value)"
+msgstr "Uinneag dì-bhugachaidh (luach sreathaichte)"
+
+msgid "No feeds are registered."
+msgstr "Cha deach inbhir a shònrachadh."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Cha deach an sluga %r a chlàradh."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..eddd5280
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..af564c2a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fasouto <fsoutomoure@gmail.com>, 2011
+# fonso <fonzzo@gmail.com>, 2013
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://app.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "SIX"
+
+msgid "The base GIS field."
+msgstr "O cambo básico de XIS."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"O cambo básico Geometry — correspónese co tipo Geometry da especificación "
+"OpenGIS."
+
+msgid "Point"
+msgstr "Punto"
+
+msgid "Line string"
+msgstr "Secuencia de liñas"
+
+msgid "Polygon"
+msgstr "Polígono"
+
+msgid "Multi-point"
+msgstr "Punto múltiple"
+
+msgid "Multi-line string"
+msgstr "Cadea multi-liña"
+
+msgid "Multi polygon"
+msgstr "Multi polígono"
+
+msgid "Geometry collection"
+msgstr "Colección de xeometrías"
+
+msgid "Extent Aggregate Field"
+msgstr "Campo de Agregación de Extensión"
+
+msgid "Raster Field"
+msgstr "Campo de Raster"
+
+msgid "No geometry value provided."
+msgstr "Non se proporcionou un valor de xeometría."
+
+msgid "Invalid geometry value."
+msgstr "Valor xeométrico non válido."
+
+msgid "Invalid geometry type."
+msgstr "Tipo xeométrico non válido."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Atopouse un erro mentras se trasnformaba a xeometría ó SRID do campo "
+"xeométrico do formulario."
+
+msgid "Delete all Features"
+msgstr "Eliminar tódalas Propiedades"
+
+msgid "Debugging window (serialized value)"
+msgstr "Ventá de depurado (valor serializado)"
+
+msgid "No feeds are registered."
+msgstr "Non hai feeds rexistradas."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "O slug %r non está rexistrado."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e479683e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..489e8c44
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,83 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2012,2014-2015,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Meir Kriheli <mkriheli@gmail.com>, 2012,2014-2015,2020\n"
+"Language-Team: Hebrew (http://app.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "GIS"
+msgstr "מערכת מידע גאוגרפית"
+
+msgid "The base GIS field."
+msgstr "שדה GIS הבסיסי."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "שדה Geometry הבסיסי  —ממופה לטיפוס OpenGIS Specification Geometry."
+
+msgid "Point"
+msgstr "נקודה"
+
+msgid "Line string"
+msgstr "מחרוזת קו"
+
+msgid "Polygon"
+msgstr "פוליגון"
+
+msgid "Multi-point"
+msgstr "מרובה־נקודות"
+
+msgid "Multi-line string"
+msgstr "מחרוזת קו מרובת שורות"
+
+msgid "Multi polygon"
+msgstr "פוליגון מרובה"
+
+msgid "Geometry collection"
+msgstr "אוסף גיאומטרי"
+
+msgid "Extent Aggregate Field"
+msgstr "שדה Extent Aggregate"
+
+msgid "Raster Field"
+msgstr "שדה Raster"
+
+msgid "No geometry value provided."
+msgstr "לא סופק ערך גיאומטרי."
+
+msgid "Invalid geometry value."
+msgstr "ערך גאומטרי שגוי."
+
+msgid "Invalid geometry type."
+msgstr "סוג גיאומטרי שגוי."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "הייתה בעיה עם השינוי של הצורה לסוג של השדה."
+
+msgid "Delete all Features"
+msgstr "מחיקת כל התכונות"
+
+msgid "Debugging window (serialized value)"
+msgstr "חלון ניפוי שגיאות (serialized value)"
+
+msgid "No feeds are registered."
+msgstr "לא נרשמו פידים."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "ה־Slug %r אינו רשום."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8d267a57
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7209a619
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chandan kumar <chandankumar.093047@gmail.com>, 2012
+# Sandeep Satavlekar <sandysat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "बिंदु"
+
+msgid "Line string"
+msgstr "पंक्ति शृंखला"
+
+msgid "Polygon"
+msgstr "बहुभुज"
+
+msgid "Multi-point"
+msgstr "बहु बिंदु"
+
+msgid "Multi-line string"
+msgstr "बहु - पंक्ति शृंखला"
+
+msgid "Multi polygon"
+msgstr "बहु बहुभुज"
+
+msgid "Geometry collection"
+msgstr "ज्यामिति संग्रह"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "कोई ज्यामिति मूल्य प्रदान नहीं की है."
+
+msgid "Invalid geometry value."
+msgstr "अवैध ज्यामिति मूल्य."
+
+msgid "Invalid geometry type."
+msgstr "अवैध ज्यामिति प्रकार"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"ज्यामिति को ज्यामिति प्रपत्र फ़ील्ड के SRID में परिवर्तित करते वक़्त एक ग़लती हो गयी ."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "कोई फ़ीड पंजीकृत नहीं हैं."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "स्लग %r पंजीकृत नहीं है."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f98a3bec
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7c844b69
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# berislavlopac <berislav.lopac@gmail.com>, 2012
+# Davor Lučić <r.dav.lc@gmail.com>, 2012
+# Filip Cuk <filipcuk2@gmail.com>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Točka"
+
+msgid "Line string"
+msgstr "Linija (Line string)"
+
+msgid "Polygon"
+msgstr "Poligon"
+
+msgid "Multi-point"
+msgstr "Više točaka"
+
+msgid "Multi-line string"
+msgstr "Više linija (Line string)"
+
+msgid "Multi polygon"
+msgstr "Više poligona"
+
+msgid "Geometry collection"
+msgstr "Geometrijska kolekcija"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Geometrijska vrijednost nije priložena."
+
+msgid "Invalid geometry value."
+msgstr "Neispravna geometrijska vrijednost."
+
+msgid "Invalid geometry type."
+msgstr "Neispravan geometrijski tip."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Došlo je do greške pri transformaciji geometrije na SRID geometrijskog polja "
+"forme."
+
+msgid "Delete all Features"
+msgstr "Izbriši sve značajke"
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Nema registriranih izvora."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Slug %r nije registriran."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b50e758a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..66d03574
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>, 2016,2019\n"
+"Language-Team: Upper Sorbian (http://app.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Bazowe polo GIS."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Bazowe geometrijowe polo -- zarysowane do geometrijoweho typa specifikacije "
+"OpenGIS. "
+
+msgid "Point"
+msgstr "Dypk"
+
+msgid "Line string"
+msgstr "Čara"
+
+msgid "Polygon"
+msgstr "Wjeleróžk"
+
+msgid "Multi-point"
+msgstr "Wjacore dypki"
+
+msgid "Multi-line string"
+msgstr "Wjacore čary"
+
+msgid "Multi polygon"
+msgstr "Wjacore wjelróžki"
+
+msgid "Geometry collection"
+msgstr "Geometrijowa zběrka"
+
+msgid "Extent Aggregate Field"
+msgstr "Polo „extent aggregate“"
+
+msgid "Raster Field"
+msgstr "Rasterowe polo"
+
+msgid "No geometry value provided."
+msgstr "Žana geometrijowa hódnota podata."
+
+msgid "Invalid geometry value."
+msgstr "Njepłaćiwa geometrijowa hódnota."
+
+msgid "Invalid geometry type."
+msgstr "Njepłaćiwy geometrijowy typ."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Zmylk je wustupił, hdyž so geometrija do SRID pola geometrijoweho formulara "
+"přetwori."
+
+msgid "Delete all Features"
+msgstr "Wšě funkcije zhašeć"
+
+msgid "Debugging window (serialized value)"
+msgstr "Wokno pytanja zmylkow (serijalizowana hódnota)"
+
+msgid "No feeds are registered."
+msgstr "Žane kanale zregistrowane."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Adresowe mjeno %r njeje zregistrowane."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ec2e8a20
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9e7799ee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016
+# Istvan Farkas <istvan.farkas@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kristóf Gruber <>, 2012
+# Szilveszter Farkas <szilveszter.farkas@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Istvan Farkas <istvan.farkas@gmail.com>, 2019\n"
+"Language-Team: Hungarian (http://app.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Az alap GIS mező."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Az alap geometria mező - az OpenGIS Specification Geometry formátumnak "
+"megfelelően."
+
+msgid "Point"
+msgstr "Pont"
+
+msgid "Line string"
+msgstr "Vonallánc"
+
+msgid "Polygon"
+msgstr "Poligon"
+
+msgid "Multi-point"
+msgstr "Multi-pont"
+
+msgid "Multi-line string"
+msgstr "Többes vonallánc"
+
+msgid "Multi polygon"
+msgstr "Multi-poligon"
+
+msgid "Geometry collection"
+msgstr "Geometria gyűjtemény"
+
+msgid "Extent Aggregate Field"
+msgstr "Terület összegző mező"
+
+msgid "Raster Field"
+msgstr "Raszter mező"
+
+msgid "No geometry value provided."
+msgstr "Geometriai adat nem került megadásra."
+
+msgid "Invalid geometry value."
+msgstr "Érvénytelen geometriai érték."
+
+msgid "Invalid geometry type."
+msgstr "Érvénytelen geometriai típus."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Hiba történt a geometriai transzformáció során."
+
+msgid "Delete all Features"
+msgstr "Minden Feature törlése"
+
+msgid "Debugging window (serialized value)"
+msgstr "Debug ablak (szerializált érték)"
+
+msgid "No feeds are registered."
+msgstr "Nincs regisztrált feed."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "A(z) %r domain-darabka nincs regisztrálva."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cecc0a93
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..21a69f76
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,81 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Django team\n"
+"Language-Team: Armenian (http://app.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "ԱՏՀ"
+
+msgid "The base GIS field."
+msgstr "ԱՏՀ֊ի գլխավոր դաշտ"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Կետ"
+
+msgid "Line string"
+msgstr "Թեք"
+
+msgid "Polygon"
+msgstr "Բազմանկյուն"
+
+msgid "Multi-point"
+msgstr "Կետերի հավաքածու"
+
+msgid "Multi-line string"
+msgstr "Թեքերի հավաքածու"
+
+msgid "Multi polygon"
+msgstr "Բազմանկյունների հավաքածու"
+
+msgid "Geometry collection"
+msgstr "Երկրաչափական օբյեկտների հավաքածու"
+
+msgid "Extent Aggregate Field"
+msgstr "Մակերեսի կամ ծավալի խմբավորման դաշտ"
+
+msgid "Raster Field"
+msgstr "Պատկերացանցի դաշտ"
+
+msgid "No geometry value provided."
+msgstr "Երկարաչափական արժեք չի տրամադրվել։"
+
+msgid "Invalid geometry value."
+msgstr "Երկարաչափական օյբեկտի սխալ  արժեք։"
+
+msgid "Invalid geometry type."
+msgstr "Երկարաչափական օյբեկտի տիպ։"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Երկարաչափական օյբեկտի SRID ձևափոխելու ժամանակ առաջացել է սխալլ։"
+
+msgid "Delete all Features"
+msgstr "Հեռացնել բոլոր օբյեկտները"
+
+msgid "Debugging window (serialized value)"
+msgstr "Կարգաբերման պատուհան  (սերիալիզացված արժեքներ)"
+
+msgid "No feeds are registered."
+msgstr "Չկան գրանցված feed֊եր։"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d0867b79
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cd085666
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+# Martijn Dekker <mcdutchie@hotmail.com>, 2012,2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023\n"
+"Language-Team: Interlingua (http://app.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr "Le campo GIS de base."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Le campo Geometry de base. Corresponde al typo geometric del specification "
+"OpenGIS."
+
+msgid "Point"
+msgstr "Puncto"
+
+msgid "Line string"
+msgstr "Texto de linea"
+
+msgid "Polygon"
+msgstr "Polygono"
+
+msgid "Multi-point"
+msgstr "Plure punctos"
+
+msgid "Multi-line string"
+msgstr "Texto con plure lineas"
+
+msgid "Multi polygon"
+msgstr "Plure polygonos"
+
+msgid "Geometry collection"
+msgstr "Collection geometric"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Nulle valor geometric fornite."
+
+msgid "Invalid geometry value."
+msgstr "Valor geometric invalide."
+
+msgid "Invalid geometry type."
+msgstr "Typo geometric invalide."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Un error occurreva durante le transformation del geometria al SRID del campo "
+"del formulario geometric."
+
+msgid "Delete all Features"
+msgstr "Deler tote le elementos"
+
+msgid "Debugging window (serialized value)"
+msgstr "Fenestra pro debugging (valor serialisate)"
+
+msgid "No feeds are registered."
+msgstr "Nulle syndication es registrate."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Le denotation %r non es registrate."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..03412db2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..89077593
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+# M Asep Indrayana <me@drayanaindra.com>, 2015
+# rodin <romihardiyanto@gmail.com>, 2011-2012
+# rodin <romihardiyanto@gmail.com>, 2015-2016
+# sag᠎e <laymonage@gmail.com>, 2019
+# Sutrisno Efendi <kangfend@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: sag᠎e <laymonage@gmail.com>, 2019\n"
+"Language-Team: Indonesian (http://app.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Bidang GIS dasar."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Bidang Geometri dasar — memetakan ke jenis OpenGIS Specification Geometry."
+
+msgid "Point"
+msgstr "Point"
+
+msgid "Line string"
+msgstr "Line string"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Multi-point"
+
+msgid "Multi-line string"
+msgstr "Multi-line string"
+
+msgid "Multi polygon"
+msgstr "Multi polygon"
+
+msgid "Geometry collection"
+msgstr "Geometry collection"
+
+msgid "Extent Aggregate Field"
+msgstr "perpanjang Bidang Pengumpulan"
+
+msgid "Raster Field"
+msgstr "Bidang Raster"
+
+msgid "No geometry value provided."
+msgstr "Nilai geometri tidak disediakan."
+
+msgid "Invalid geometry value."
+msgstr "Nilai geometri salah."
+
+msgid "Invalid geometry type."
+msgstr "Tipe geometri salah."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Galat terjadi saat mentransformasi geometri ke SRID bidang formulir geometri."
+
+msgid "Delete all Features"
+msgstr "Hapus semua Fitur"
+
+msgid "Debugging window (serialized value)"
+msgstr "Jendela mencari dan memperbaiki kesalahan (nilai bersambung)"
+
+msgid "No feeds are registered."
+msgstr "Tidak ada umpan terdaftar."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r tidak terdaftar."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a5371bad
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..97432bf1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/projects/p/django/language/"
+"io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7f198ce8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0ea0986b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hafsteinn Einarsson <haffi67@gmail.com>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thordur Sigurdsson <thordur@ja.is>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-20 05:37+0000\n"
+"Last-Translator: Thordur Sigurdsson <thordur@ja.is>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "Grunn GIS reitur — varpast í OpenGIS rúmgerð."
+
+msgid "Point"
+msgstr "Punktur"
+
+msgid "Line string"
+msgstr "Lína"
+
+msgid "Polygon"
+msgstr "Marghyrningur"
+
+msgid "Multi-point"
+msgstr "Punktar"
+
+msgid "Multi-line string"
+msgstr "Línur"
+
+msgid "Multi polygon"
+msgstr "Marghyrningar"
+
+msgid "Geometry collection"
+msgstr "Rúmsafn"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Ekkert rúmgildi gefið."
+
+msgid "Invalid geometry value."
+msgstr "Ógild rúmeining"
+
+msgid "Invalid geometry type."
+msgstr "Ógild rúmmálsgerð."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Villa kom upp við að varpa rúmgildi í SRID reitsins."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Engir listar (feeds) eru skráðir"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d454db43
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/it/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c86f18f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,94 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# yakky <i.spalletti@nephila.it>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marco Bonetti, 2014
+# Mirco Grillo <mirco.grillomg@gmail.com>, 2020
+# Nicola Larosa <transifex@teknico.net>, 2012
+# palmux <palmux@gmail.com>, 2015
+# Mattia Procopio <promat85@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-23 08:59+0000\n"
+"Last-Translator: Mirco Grillo <mirco.grillomg@gmail.com>\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Il campo GIS base."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Il campo Geometry -- corrisponde al tipo Geometry delle specifiche OpenGIS."
+
+msgid "Point"
+msgstr "Punto"
+
+msgid "Line string"
+msgstr "Stringa linea"
+
+msgid "Polygon"
+msgstr "Poligono"
+
+msgid "Multi-point"
+msgstr "Multipunto"
+
+msgid "Multi-line string"
+msgstr "Stringa multilinea"
+
+msgid "Multi polygon"
+msgstr "Multi poligono"
+
+msgid "Geometry collection"
+msgstr "Raccolta Geometry"
+
+msgid "Extent Aggregate Field"
+msgstr "Campo di aggregazione esteso"
+
+msgid "Raster Field"
+msgstr "Campo raster"
+
+msgid "No geometry value provided."
+msgstr "Nessun valore geometrico fornito."
+
+msgid "Invalid geometry value."
+msgstr "Valore geometrico non valido."
+
+msgid "Invalid geometry type."
+msgstr "Tipo geometrico non valido."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Si è verificato un errore durante la trasformazione della geometria nello "
+"SRID del campo geometria della form."
+
+msgid "Delete all Features"
+msgstr "Cancella tutti gli oggetti"
+
+msgid "WKT debugging window:"
+msgstr "Finestra di debug WKT:"
+
+msgid "Debugging window (serialized value)"
+msgstr "Finestra di debug (valore serializzato)"
+
+msgid "No feeds are registered."
+msgstr "Non ci sono feed registrati."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Lo slug %r non è registrato."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..831f4231
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2a0d6cd5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Shinya Okano <tokibito@gmail.com>, 2012,2014-2015
+# Takuya N <takninnovationresearch@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Takuya N <takninnovationresearch@gmail.com>, 2020\n"
+"Language-Team: Japanese (http://app.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "地理情報システム"
+
+msgid "The base GIS field."
+msgstr "基底GISフィールド"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "基底GISフィールド — OpenGIS で決められた地形タイプに対応します。"
+
+msgid "Point"
+msgstr "点"
+
+msgid "Line string"
+msgstr "線"
+
+msgid "Polygon"
+msgstr "ポリゴン"
+
+msgid "Multi-point"
+msgstr "複数の点"
+
+msgid "Multi-line string"
+msgstr "複数の線"
+
+msgid "Multi polygon"
+msgstr "複数のポリゴン"
+
+msgid "Geometry collection"
+msgstr "地形の集合"
+
+msgid "Extent Aggregate Field"
+msgstr "広さ集計フィールド"
+
+msgid "Raster Field"
+msgstr "ラスターフィールド"
+
+msgid "No geometry value provided."
+msgstr "geometry値がありません。"
+
+msgid "Invalid geometry value."
+msgstr "geometry値が不正です"
+
+msgid "Invalid geometry type."
+msgstr "geometryタイプが不正です。"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"geometry を geometry フォームフィールドの SRID に変換しようとしてエラーが起き"
+"ました。"
+
+msgid "Delete all Features"
+msgstr "すべての機能を削除"
+
+msgid "Debugging window (serialized value)"
+msgstr "デバッグウィンドウ(シリアライズされた値)"
+
+msgid "No feeds are registered."
+msgstr "フィードが登録されていません。"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "スラグ %r は登録されていません。"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b684ee95
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..31bb23c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2013,2015
+# avsd05 <avsd05@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "წერტილი"
+
+msgid "Line string"
+msgstr "ხაზის მასივი"
+
+msgid "Polygon"
+msgstr "მრავალკუთხედი"
+
+msgid "Multi-point"
+msgstr "წერტილების სიმრავლე"
+
+msgid "Multi-line string"
+msgstr "ხაზების სიმრავლის მასივი"
+
+msgid "Multi polygon"
+msgstr "მრავალკუთხედების სიმრავლე"
+
+msgid "Geometry collection"
+msgstr "გეომეტრიული კოლექცია"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "გეომეტრიის მნიშვნელობა მოცემული არ არის."
+
+msgid "Invalid geometry value."
+msgstr "გეომეტრიის მნიშვნელობა არასწორია."
+
+msgid "Invalid geometry type."
+msgstr "გეომეტრიის ტიპი არასწორია."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "ველიდან გეომეტრიის SRID-ში გადაყვანისას მოხდა შეცდომა."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "არცერთი ფიდი არ არის რეგისტრირებული."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "სლაგი %r არ არის რეგისტრირებული."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c7503014
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2666802e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# yun_man_ger <germanilyin@gmail.com>, 2011
+# Zhazira <zhazira.mt@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Нүкте"
+
+msgid "Line string"
+msgstr "Сынық"
+
+msgid "Polygon"
+msgstr "Көпбұрыш"
+
+msgid "Multi-point"
+msgstr "Нүкте жинағы"
+
+msgid "Multi-line string"
+msgstr "Сынықтар жинағы"
+
+msgid "Multi polygon"
+msgstr "Көпбұрыш жинағы"
+
+msgid "Geometry collection"
+msgstr "Геометриялық объект жинағы"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Геметрия мәні берілген жоқ"
+
+msgid "Invalid geometry value."
+msgstr "Геометрия мәні  дұрыс емес"
+
+msgid "Invalid geometry type."
+msgstr "Геометрия  түрі  дұрыс емес"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Геометрияны SRID-ге өзгерту кезінде қате шықты."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4ae545ad
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d5d59801
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/projects/p/django/language/"
+"km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..be4f6741
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0ec1b161
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kannada (http://www.transifex.com/projects/p/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..29545de6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ko/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..004cde15
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jiyoon, Ha <cryptography@konkuk.ac.kr>, 2016
+# Jaehong Kim <mixe@korea.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jay Oh <theanswer.jay@gmail.com>, 2020
+# Le Tartuffe <magno79@gmail.com>, 2014
+# JunGu Kang <chr0m3.kr@gmail.com>, 2015
+# 이지현 <wlgus5781@gmail.com>, 2017
+# minsung kang, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Jay Oh <theanswer.jay@gmail.com>, 2020\n"
+"Language-Team: Korean (http://app.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "기본 GIS 필드"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "기본 지리 정보 필드 — 오픈GIS에 특화된 지리 정보 형식의 맵"
+
+msgid "Point"
+msgstr "위치"
+
+msgid "Line string"
+msgstr "한줄 문자열"
+
+msgid "Polygon"
+msgstr "다각형"
+
+msgid "Multi-point"
+msgstr "다중 위치"
+
+msgid "Multi-line string"
+msgstr "여러줄 문자열"
+
+msgid "Multi polygon"
+msgstr "복수 다각형"
+
+msgid "Geometry collection"
+msgstr "지리적 위치 모음"
+
+msgid "Extent Aggregate Field"
+msgstr "확장 집계 필드"
+
+msgid "Raster Field"
+msgstr "래스터 필드"
+
+msgid "No geometry value provided."
+msgstr "지리 값이 없습니다."
+
+msgid "Invalid geometry value."
+msgstr "잘못된 지리 값."
+
+msgid "Invalid geometry type."
+msgstr "잘못된 지리 형식."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Geometry를 geometry 필드의 SRID로 변환하는 도중 오류가 발생하였습니다."
+
+msgid "Delete all Features"
+msgstr "모든 기능 삭제"
+
+msgid "Debugging window (serialized value)"
+msgstr "디버깅 창 (연속된 값)"
+
+msgid "No feeds are registered."
+msgstr "등록된 피드가 없습니다."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "%r 이/가 등록되지 않았습니다."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6b61583a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3e453c76
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,83 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+# Soyuzbek orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Soyuzbek orozbek uulu <soyuzbek196.kg@gmail.com>, 2020\n"
+"Language-Team: Kyrgyz (http://app.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Негизги GIS талаасы"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"негизги Геометр талаасы — OpenGIS Геометрдик көрсөтмөлө тибине дал келет."
+
+msgid "Point"
+msgstr "Чекит"
+
+msgid "Line string"
+msgstr "Сап сызыгы"
+
+msgid "Polygon"
+msgstr "Көпбурчтук"
+
+msgid "Multi-point"
+msgstr "Көп чекит"
+
+msgid "Multi-line string"
+msgstr "Көпсап"
+
+msgid "Multi polygon"
+msgstr "Көп көпбурчтук"
+
+msgid "Geometry collection"
+msgstr "Геометр жыйындысы"
+
+msgid "Extent Aggregate Field"
+msgstr "Кошумча Агрегат талаасы"
+
+msgid "Raster Field"
+msgstr "Растр Талаасы"
+
+msgid "No geometry value provided."
+msgstr "геометр маани тейленбейт."
+
+msgid "Invalid geometry value."
+msgstr "Ката геометр маани."
+
+msgid "Invalid geometry type."
+msgstr "Ката геометр тиби."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "геометр аймагынын маанисин SRID ге которгондо ката чыкты."
+
+msgid "Delete all Features"
+msgstr "Бүт касиеттерди өчүр"
+
+msgid "Debugging window (serialized value)"
+msgstr "Оңдоо терезеси (кысымдалган маани)"
+
+msgid "No feeds are registered."
+msgstr "Кадамдар катталган эмес."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "%r слагы катталган эмес."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f91c361e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..40fd9e2e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4505fa62
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dff04abb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Kostas <tamosiunas@gmail.com>, 2011
+# lauris <lauris@runbox.com>, 2011
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+# Matas Dailyda <matas@dailyda.com>, 2015
+# Simonas Kazlauskas <simonas@kazlauskas.me>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023\n"
+"Language-Team: Lithuanian (http://app.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Bazinis GIS laukas."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Bazinis geometrijos laukas — atvaizduoja OpenGIS Specification Geometry tipą."
+
+msgid "Point"
+msgstr "Taškas"
+
+msgid "Line string"
+msgstr "Atkarpa"
+
+msgid "Polygon"
+msgstr "Daugiakampis"
+
+msgid "Multi-point"
+msgstr "Taškų aibė"
+
+msgid "Multi-line string"
+msgstr "Atkarpų aibė"
+
+msgid "Multi polygon"
+msgstr "Daugiakampių aibė"
+
+msgid "Geometry collection"
+msgstr "Geometrinė kolekcija"
+
+msgid "Extent Aggregate Field"
+msgstr "Išplėsti agregato lauką"
+
+msgid "Raster Field"
+msgstr "Rastro laukas"
+
+msgid "No geometry value provided."
+msgstr "Nenurodyta geometrinė reikšmė"
+
+msgid "Invalid geometry value."
+msgstr "Netinkama geometrinė reikšmė"
+
+msgid "Invalid geometry type."
+msgstr "Netinkamas geometrinis tipas"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Įvyko klaida pertvarkant geometrijos lauko SRID geometriją."
+
+msgid "Delete all Features"
+msgstr "Pašalinti visas ypatybes"
+
+msgid "Debugging window (serialized value)"
+msgstr "Derinimo langas (serijomis išdėstytos reikšmės)"
+
+msgid "No feeds are registered."
+msgstr "Nėra užregistruotų srautų."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Adresas %r neregistruotas."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c154ca58
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..37565d0e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2019
+# peterisb <pb@sungis.lv>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Edgars Voroboks <edgars.voroboks@gmail.com>, 2019\n"
+"Language-Team: Latvian (http://app.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "GIS"
+msgstr "ĢIS"
+
+msgid "The base GIS field."
+msgstr "ĢIS bāzes lauks."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Bāzes Ģeometrijas lauks -- atbilst OpenGIS specifikācijas Geometry tipam."
+
+msgid "Point"
+msgstr "Punkts"
+
+msgid "Line string"
+msgstr "Līniju virkne"
+
+msgid "Polygon"
+msgstr "Daudzstūris"
+
+msgid "Multi-point"
+msgstr "Vairāki punkti"
+
+msgid "Multi-line string"
+msgstr "Vairāku rindu virkne"
+
+msgid "Multi polygon"
+msgstr "Vairāki daudzstūri"
+
+msgid "Geometry collection"
+msgstr "Ģeometrijas kolekcija"
+
+msgid "Extent Aggregate Field"
+msgstr "Apjoma agregācijas lauks"
+
+msgid "Raster Field"
+msgstr "Rastra lauks"
+
+msgid "No geometry value provided."
+msgstr "Nav norādīta ģeometrijas vērtība."
+
+msgid "Invalid geometry value."
+msgstr "Nekorekta ģeometrijas vērtība."
+
+msgid "Invalid geometry type."
+msgstr "Nekorekts ģeometrijas tips."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Sastapta kļūda, pārveidojot ģeometriju uz ģeometriskās formas lauka SRID."
+
+msgid "Delete all Features"
+msgstr "Dzēst visus objektus"
+
+msgid "Debugging window (serialized value)"
+msgstr "Atkļūdošanas logs (serializēta vērtība)"
+
+msgid "No feeds are registered."
+msgstr "Nav reģistrētu barotņu."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Vienkāršotais nosaukums %r nav reģistrēts."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ff5e5c35
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..03934c66
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# dekomote <dr.mote@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2016
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2014
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023\n"
+"Language-Team: Macedonian (http://app.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "GIS"
+msgstr "ГИС"
+
+msgid "The base GIS field."
+msgstr "Базичното ГИС поле."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Базичното геметриско поле — мапира директно на геометриско поле од OpenGIS "
+"спецификацијата."
+
+msgid "Point"
+msgstr "Точка"
+
+msgid "Line string"
+msgstr "Линиска нишка"
+
+msgid "Polygon"
+msgstr "Полигон"
+
+msgid "Multi-point"
+msgstr "Повеќе точки"
+
+msgid "Multi-line string"
+msgstr "Повеќе-линиска нишка"
+
+msgid "Multi polygon"
+msgstr "Повеќе полигони"
+
+msgid "Geometry collection"
+msgstr "Колекција од геометриски објекти"
+
+msgid "Extent Aggregate Field"
+msgstr "Поле за агрегација по плоштина или периметар"
+
+msgid "Raster Field"
+msgstr "Растер поле"
+
+msgid "No geometry value provided."
+msgstr "Не е внесена геометриска вредност."
+
+msgid "Invalid geometry value."
+msgstr "Невалидна геометриска вредност."
+
+msgid "Invalid geometry type."
+msgstr "Невалиден геометриски тип."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Се појави грешка при трансформација на геометриската вредност во SRID од "
+"геометриското поле"
+
+msgid "Delete all Features"
+msgstr "Избриши ги сите карактеристики"
+
+msgid "Debugging window (serialized value)"
+msgstr "Прозор за дебагирање (серијализирана вредност)"
+
+msgid "No feeds are registered."
+msgstr "Нема регистрирани фидови."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Краткото име (slug) %r не е регистрирано"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8972f2a4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ad8251e2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aby Thomas <abyzthomas@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rajeesh Nair <rajeeshrnair@gmail.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "ജി.ഐ.എസ്"
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "ബിന്ദു"
+
+msgid "Line string"
+msgstr "രേഖാ സ്ട്രിങ്ങ്"
+
+msgid "Polygon"
+msgstr "ബഹുഭുജം"
+
+msgid "Multi-point"
+msgstr "ബഹുബിന്ദു"
+
+msgid "Multi-line string"
+msgstr "ബഹു രേഖാ സ്ട്രിങ്ങ്"
+
+msgid "Multi polygon"
+msgstr "ബഹു ബഹുഭുജം"
+
+msgid "Geometry collection"
+msgstr "ജ്യാമിതി ശേഖരം"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "ജ്യാമിതീയ മൂല്യമൊന്നും തന്നിട്ടില്ല."
+
+msgid "Invalid geometry value."
+msgstr "തെറ്റായ ജ്യാമിതീയ മൂല്യം."
+
+msgid "Invalid geometry type."
+msgstr "തെറ്റായ തരം ജ്യാമിതി."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"ജ്യാമിതീയ രൂപത്തെ ജ്യാമിതി കളത്തിന്റെ SRID-ലേക്കു മാറ്റുമ്പോള്‍ എന്തോ തകരാറു സംഭവിച്ചിട്ടുണ്ട്."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr " ഫീഡുകളൊന്നും രജിസ്റ്റര്‍ ചെയ്തിട്ടില്ല."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "%r എന്ന സ്ലഗ് രജിസ്റ്റര്‍ ചെയ്തിട്ടില്ല."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8643c1fe
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1362f6c9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Baskhuu Lodoikhuu <baskhuujacara@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+# Turmunkh Batkhuyag, 2023
+# Zorig, 2014,2016
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2011-2012,2015
+# Баясгалан Цэвлээ <bayasaa_7672@yahoo.com>, 2011,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-24 18:45+0000\n"
+"Last-Translator: Turmunkh Batkhuyag, 2023\n"
+"Language-Team: Mongolian (http://app.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "Газар зүйн мэдээлэл"
+
+msgid "The base GIS field."
+msgstr "Ерөнхий GIS талбар"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Үндсэн Geometry талбар — OpenGIS газрын зургын Геометрын дүрсны онцгой "
+"төрөлтэй байна."
+
+msgid "Point"
+msgstr "Цэг"
+
+msgid "Line string"
+msgstr "Тэмдэгт мөр"
+
+msgid "Polygon"
+msgstr "Олон өнцөгт"
+
+msgid "Multi-point"
+msgstr "Олон цэг"
+
+msgid "Multi-line string"
+msgstr "Олон мөр бүхий тэмтэгт мөр"
+
+msgid "Multi polygon"
+msgstr "Олон өнцөгтийн олонлог"
+
+msgid "Geometry collection"
+msgstr "Геометрийн цуглуулга"
+
+msgid "Extent Aggregate Field"
+msgstr "Aggregate талбарыг өргөтгөх"
+
+msgid "Raster Field"
+msgstr "Растер талбар"
+
+msgid "No geometry value provided."
+msgstr "Геометрийн утгыг өгөөгүй."
+
+msgid "Invalid geometry value."
+msgstr "Буруу геометрийн утга байна."
+
+msgid "Invalid geometry type."
+msgstr "Геометер төрөл буруу байна."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Геометрийг геометрийн форм талбарын SRID болгон хувиргах үед алдаа гарлаа."
+
+msgid "Delete all Features"
+msgstr "Бүх онцлогүүдыг устгах"
+
+msgid "Debugging window (serialized value)"
+msgstr "Шинжлэх цонх (дугаарлагдсан утга) "
+
+msgid "No feeds are registered."
+msgstr "Бүртгэгдсэн feeds байхгүй байна."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "%r слаг бүгтгэгдээгүй байна"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2c755725
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1083d952
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,82 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2024-01-24 18:45+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr "सर्व वैशिष्ट्ये घालवा"
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..63a382e9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..756ca99d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Jafry Hisham, 2021\n"
+"Language-Team: Malay (http://app.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Medan asas GIS"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Medan asas geometri - disuaikan ke jenis Spesifikasi Geometri OpenGIS ."
+
+msgid "Point"
+msgstr "Titik"
+
+msgid "Line string"
+msgstr "Rentetan baris"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Berbilang-titik"
+
+msgid "Multi-line string"
+msgstr "Rentetan berbilang-baris"
+
+msgid "Multi polygon"
+msgstr "Berbilang polygon"
+
+msgid "Geometry collection"
+msgstr "Koleksi geometri"
+
+msgid "Extent Aggregate Field"
+msgstr "Medan Agregat Takat"
+
+msgid "Raster Field"
+msgstr "Medan Raster"
+
+msgid "No geometry value provided."
+msgstr "Tiada nilai geometri diberikan."
+
+msgid "Invalid geometry value."
+msgstr "Nilai geometri tidak sah."
+
+msgid "Invalid geometry type."
+msgstr "Jenis geometri tidak sah."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ralat telah berlaku semasa mengubah geometri kepada SRID geometri medan "
+"borang."
+
+msgid "Delete all Features"
+msgstr "Hapuskan semua Ciri-cri"
+
+msgid "Debugging window (serialized value)"
+msgstr "Tingkap penyahpijatan (nilai bersiri)"
+
+msgid "No feeds are registered."
+msgstr "Tiada feed didaftarkan."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r tidak didaftarkan."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..443434bd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3fbc0ee8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-20 03:01+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "ဂျီအိုင်အက်စ်"
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4220ad80
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e347e781
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jensadne <jensadne@pvv.ntnu.no>, 2014
+# Jon, 2015
+# Jon, 2020
+# Jon, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Jon, 2020\n"
+"Language-Team: Norwegian Bokmål (http://app.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "GIS-basefeltet."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Geometry-basefeltet - tilordnes til OpenGIS Specification Geometry-typen."
+
+msgid "Point"
+msgstr "Punkt"
+
+msgid "Line string"
+msgstr "Linje-string"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Multipunkt"
+
+msgid "Multi-line string"
+msgstr "Multilinje-string"
+
+msgid "Multi polygon"
+msgstr "Multi-polygon"
+
+msgid "Geometry collection"
+msgstr "Geometri-samling"
+
+msgid "Extent Aggregate Field"
+msgstr "Extent Aggregate-felt"
+
+msgid "Raster Field"
+msgstr "Raster-felt"
+
+msgid "No geometry value provided."
+msgstr "Ingen geometriverdi oppgitt."
+
+msgid "Invalid geometry value."
+msgstr "Ugyldig geometriverdi"
+
+msgid "Invalid geometry type."
+msgstr "Ugyldig geometritype"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"En feil oppstod ved transformering av geometrien til SRID fra geometrifeltet."
+
+msgid "Delete all Features"
+msgstr "Slett alle Features"
+
+msgid "Debugging window (serialized value)"
+msgstr "Debugging-vindu (serialisert verdi)"
+
+msgid "No feeds are registered."
+msgstr "Ingen feeds er registrert."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r er ikke registrert."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9ebdb54e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..07e94681
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Sagar Chalise <chalisesagar@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "बिन्दु"
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr "बहुभुज"
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr "ज्यामिति संकलन"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "ज्यामिति मान उपलब्ध छैन ।"
+
+msgid "Invalid geometry value."
+msgstr "उनुपयुक्त ज्यामिति मान"
+
+msgid "Invalid geometry type."
+msgstr "उनुपयुक्त ज्यामिति प्रकार"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4ad8805b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cace53f1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Blue <alexandervanratingen@gmail.com>, 2011
+# Harro van der Klauw <hvdklauw@gmail.com>, 2012
+# Ilja Maas <iljamaas@dreamsolution.nl>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 6a27f10aef159701c7a5ff07f0fb0a78_05545ed <bc5d401a7ecd9343dd5afac265ed8ab3_4845>, 2011
+# 8de006b1b0894aab6aef71979dcd8bd6_5c6b207 <ff2658a8d8dbebbd9cc240b8c133a515_234097>, 2015
+# Tonnes <tonnes.mb@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>, 2019\n"
+"Language-Team: Dutch (http://app.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Het basis-GIS-veld."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Het basis-Geometrie-veld – correspondeert met het Geometrie-type van de "
+"OpenGIS-specificatie."
+
+msgid "Point"
+msgstr "Punt"
+
+msgid "Line string"
+msgstr "Tekenreeks"
+
+msgid "Polygon"
+msgstr "Polygoon"
+
+msgid "Multi-point"
+msgstr "Multipunt"
+
+msgid "Multi-line string"
+msgstr "Multi-tekenreeks"
+
+msgid "Multi polygon"
+msgstr "Multi-polygoon"
+
+msgid "Geometry collection"
+msgstr "Geometrie-verzameling"
+
+msgid "Extent Aggregate Field"
+msgstr "Gebieds-aggregatieveld"
+
+msgid "Raster Field"
+msgstr "Rasterveld"
+
+msgid "No geometry value provided."
+msgstr "Geen geometriewaarde opgegeven."
+
+msgid "Invalid geometry value."
+msgstr "Ongeldige geometriewaarde."
+
+msgid "Invalid geometry type."
+msgstr "Ongeldig geometrietype."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Er is een fout opgetreden bij het omvormen van de geometrie naar de SRID van "
+"het geometrieveld."
+
+msgid "Delete all Features"
+msgstr "Alle kenmerken verwijderen"
+
+msgid "Debugging window (serialized value)"
+msgstr "Debugvenster (geserialiseerde waarde)"
+
+msgid "No feeds are registered."
+msgstr "Er zijn geen feeds geregistreerd."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r is niet geregistreerd."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0676ecdf
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fcb77a6b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021
+# Vibeke Uthaug, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Vibeke Uthaug, 2021\n"
+"Language-Team: Norwegian Nynorsk (http://app.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "GIS-basefeltet"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Geometry-basefeltet - tilordnes til OpenGIS Specification Geometry-typen."
+
+msgid "Point"
+msgstr "Punkt"
+
+msgid "Line string"
+msgstr "Linjestreng"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Fleirpunkt"
+
+msgid "Multi-line string"
+msgstr "Fleirlinje-streng"
+
+msgid "Multi polygon"
+msgstr "Multi-polygon"
+
+msgid "Geometry collection"
+msgstr "Geometrisamling"
+
+msgid "Extent Aggregate Field"
+msgstr "Extent Aggregate-felt"
+
+msgid "Raster Field"
+msgstr "Raster-felt"
+
+msgid "No geometry value provided."
+msgstr "Ingen geometriverdi oppgjeve."
+
+msgid "Invalid geometry value."
+msgstr "Ugyldig geometriverdi."
+
+msgid "Invalid geometry type."
+msgstr "Ugyldig geometritype."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Det oppstod ein feil ved transformering av geometrien til SRID frå "
+"geometrifeltet."
+
+msgid "Delete all Features"
+msgstr "Slett alle Features"
+
+msgid "Debugging window (serialized value)"
+msgstr "Feilsøking-vindauge (serialisert verdi)"
+
+msgid "No feeds are registered."
+msgstr "Ingen feeds er registrert."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r er ikkje registrert."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..47f4a0f0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/os/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..65c7267b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Стъӕлф"
+
+msgid "Line string"
+msgstr "Хаахы рӕнхъ"
+
+msgid "Polygon"
+msgstr "Бирӕкъуымон"
+
+msgid "Multi-point"
+msgstr "Бирӕ-стъӕлф"
+
+msgid "Multi-line string"
+msgstr "Бирӕ-хаххы рӕнхъ"
+
+msgid "Multi polygon"
+msgstr "Бирӕ бирӕкъуымон"
+
+msgid "Geometry collection"
+msgstr "Геометриты ӕмбырд"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Геометрийы бӕрц амынд нӕу."
+
+msgid "Invalid geometry value."
+msgstr "Геометрийы бӕрц раст нӕу."
+
+msgid "Invalid geometry type."
+msgstr "Геометрийы хуыз раст нӕу."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Рӕдыд ӕрцыд SRID геометри формӕйы бынаты геометримӕ ивд куы цыдис, уӕд."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Ницы лӕсӕн уыд регистрацигонд."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Слаг %r регистрацигонд нӕу."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cc74c581
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..544c7837
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# A S Alam <alam.yellow@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "ਪੁਆਇੰਟ"
+
+msgid "Line string"
+msgstr "ਲਾਈਨ ਸਤਰ"
+
+msgid "Polygon"
+msgstr "ਬਹੁਭੁਜ"
+
+msgid "Multi-point"
+msgstr "ਕਈ-ਪੁਆਇੰਟ"
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr "ਮਲਟੀ ਬਹੁ-ਭੁਜ"
+
+msgid "Geometry collection"
+msgstr "ਜੁਮੈਟਰੀ ਭੰਡਾਰ"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "ਕੋਈ ਜੁਮੈਟਰੀ ਮੁੱਲ ਨਹੀਂ ਦਿੱਤਾ ਗਿਆ।"
+
+msgid "Invalid geometry value."
+msgstr "ਗਲਤ ਜੁਮੈਟਰੀ ਮੁੱਲ।"
+
+msgid "Invalid geometry type."
+msgstr "ਗਲਤ ਜੁਮੈਟਰੀ ਕਿਸਮ।"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "ਕੋਈ ਫੀਡ ਰਜਿਸਟਰ ਨਹੀਂ ਹੈ।"
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5f15e700
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6c3efec3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,92 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# angularcircle, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janusz Harkot <jh@trilab.pl>, 2015
+# Piotr Jakimiak <legolass71@gmail.com>, 2015
+# Maciej Olko <maciej.olko@gmail.com>, 2019
+# Maciej Olko <maciej.olko@gmail.com>, 2015
+# Mattia Procopio <promat85@gmail.com>, 2014
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016-2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Maciej Olko <maciej.olko@gmail.com>, 2019\n"
+"Language-Team: Polish (http://app.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && "
+"(n%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && "
+"n%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Pole bazowe GIS."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "Pole bazowe Geometrii — mapowane na typ Geometry specyfikacji OpenGIS."
+
+msgid "Point"
+msgstr "Punkt"
+
+msgid "Line string"
+msgstr "Ścieżka"
+
+msgid "Polygon"
+msgstr "Wielokąt"
+
+msgid "Multi-point"
+msgstr "Zbiór punktów"
+
+msgid "Multi-line string"
+msgstr "Zbiór ścieżek"
+
+msgid "Multi polygon"
+msgstr "Zbiór wielokątów"
+
+msgid "Geometry collection"
+msgstr "Zbiór geometrii"
+
+msgid "Extent Aggregate Field"
+msgstr "Pole Zasięgu Agregacji"
+
+msgid "Raster Field"
+msgstr "Pole Rastrowe"
+
+msgid "No geometry value provided."
+msgstr "Brak wartości geometrii."
+
+msgid "Invalid geometry value."
+msgstr "Błędna wartość geometrii."
+
+msgid "Invalid geometry type."
+msgstr "Błędny typ geometrii."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Wystąpił błąd podczas przekształcania geometrii do SRID pola formularza "
+"geometrii."
+
+msgid "Delete all Features"
+msgstr "Usuń wszystkie Elementy"
+
+msgid "Debugging window (serialized value)"
+msgstr "Okno debugowania (wartość zserializowana)"
+
+msgid "No feeds are registered."
+msgstr "Brak zarejestrowanych kanałów informacyjnych."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r nie jest zarejestrowany."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..709f3723
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c4c1e12a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,95 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claudio Fernandes <squeral@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jorgecarleitao <jorgecarleitao@gmail.com>, 2015
+# Manuela Silva <inactive+h_manuela_rodsilva@transifex.com>, 2015
+# Nuno Mariz <nmariz@gmail.com>, 2011-2012,2015
+# Paulo Köch <paulo.koch@gmail.com>, 2011
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "SIG"
+
+msgid "The base GIS field."
+msgstr "O campo GIS base."
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"O campo de Geometria base -- mapeia para o tipo de Geometria de "
+"Especificação do OpenGIS."
+
+msgid "Point"
+msgstr "Ponto"
+
+msgid "Line string"
+msgstr "Linha"
+
+msgid "Polygon"
+msgstr "Polígono"
+
+msgid "Multi-point"
+msgstr "Multi-ponto"
+
+msgid "Multi-line string"
+msgstr "Multi-linha"
+
+msgid "Multi polygon"
+msgstr "Multi-polígono"
+
+msgid "Geometry collection"
+msgstr "Coleção geométrica"
+
+msgid "Extent Aggregate Field"
+msgstr "Extender Campo Agregado"
+
+msgid "Raster Field"
+msgstr "Campo Raster"
+
+msgid "No geometry value provided."
+msgstr "Não foi submetido nenhum valor do tipo geometria."
+
+msgid "Invalid geometry value."
+msgstr "Valor inválido de geometria."
+
+msgid "Invalid geometry type."
+msgstr "Tipo inválido de geometria."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ocorreu um erro na transformação da geometria para o SRID da geometria do "
+"campo do formulário."
+
+msgid "Delete all Features"
+msgstr "Eliminar todas as Caraterísticas"
+
+msgid "WKT debugging window:"
+msgstr "Janela de depuração de WKT:"
+
+msgid "Debugging window (serialized value)"
+msgstr "Janela de depuração (valor serializado)"
+
+msgid "No feeds are registered."
+msgstr "Nenhum feed está registado."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "O slug %r não está registado."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3ea91a59
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d807a0bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,94 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# Carlos E C Leite - Cadu <caduado@gmail.com>, 2015-2016,2019
+# Eduardo Cereto Carvalho, 2011
+# semente, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lucas Infante <maccinza@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-10-09 16:09+0000\n"
+"Last-Translator: Carlos E C Leite - Cadu <caduado@gmail.com>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "O campo GIS base."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"O campo Geometry básico - aponta para o tipo  OpenGis Specification "
+"Geometry. "
+
+msgid "Point"
+msgstr "Ponto"
+
+msgid "Line string"
+msgstr "Linha string"
+
+msgid "Polygon"
+msgstr "Polígono"
+
+msgid "Multi-point"
+msgstr "Multiponto"
+
+msgid "Multi-line string"
+msgstr "Multilinha string"
+
+msgid "Multi polygon"
+msgstr "Multipolígono"
+
+msgid "Geometry collection"
+msgstr "Coleção geométrica"
+
+msgid "Extent Aggregate Field"
+msgstr "Campo agregado extendido"
+
+msgid "Raster Field"
+msgstr "Campo Raster."
+
+msgid "No geometry value provided."
+msgstr "Nenhum valor geométrico fornecido."
+
+msgid "Invalid geometry value."
+msgstr "Valor geométrico inválido."
+
+msgid "Invalid geometry type."
+msgstr "Tipo geométrico inválido."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ocorreu um erro ao transformar a geometria para o SRID do campo de "
+"formulário de geometria."
+
+msgid "Delete all Features"
+msgstr "Deletar todas os elementos"
+
+msgid "WKT debugging window:"
+msgstr "Janela de debug WKT"
+
+msgid "Debugging window (serialized value)"
+msgstr "Janela de debug (valor seralizado)"
+
+msgid "No feeds are registered."
+msgstr "Nenhum feed foi registrado."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "O Slug %r não está registrado."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d5bfb30a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ae9d1573
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bogdan Mateescu, 2019
+# Daniel Ursache-Dogariu, 2011
+# Denis Darii <denis.darii@gmail.com>, 2011,2014
+# Eugenol Man <neatusebastian@gmail.com>, 2020
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Eugenol Man <neatusebastian@gmail.com>, 2020\n"
+"Language-Team: Romanian (http://app.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Câmpul GIS de bază."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Punct"
+
+msgid "Line string"
+msgstr "Șir linii"
+
+msgid "Polygon"
+msgstr "Poligon"
+
+msgid "Multi-point"
+msgstr "Multi-punct"
+
+msgid "Multi-line string"
+msgstr "Șir multi-linie"
+
+msgid "Multi polygon"
+msgstr "Multi poligon"
+
+msgid "Geometry collection"
+msgstr "Colecție geometrie"
+
+msgid "Extent Aggregate Field"
+msgstr "Câmp agregat extins"
+
+msgid "Raster Field"
+msgstr "Câmp raster"
+
+msgid "No geometry value provided."
+msgstr "Nicio valoare geometrică furnizată."
+
+msgid "Invalid geometry value."
+msgstr "Valoare geometrică nevalidă."
+
+msgid "Invalid geometry type."
+msgstr "Tip geometric nevalid."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"A avut loc o eroare la transformarea geometriei în SRID-ul  câmpului "
+"geometric al formularului."
+
+msgid "Delete all Features"
+msgstr "Șterge toate Entitățile"
+
+msgid "Debugging window (serialized value)"
+msgstr "Fereastra de depanare (valoare serializată)"
+
+msgid "No feeds are registered."
+msgstr "Nici un feed registrat."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r nu este înregistrat."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1f924761
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..16746432
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,91 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eugene <eugene.mechanism@gmail.com>, 2012
+# eXtractor <evg.kirov@gmail.com>, 2015
+# crazyzubr <hjcnbckfd@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Алексей Борискин <sun.void@gmail.com>, 2012,2014-2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: crazyzubr <hjcnbckfd@gmail.com>, 2020\n"
+"Language-Team: Russian (http://app.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "GIS"
+msgstr "ГИС"
+
+msgid "The base GIS field."
+msgstr "Базовое ГИС-поле."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Базовое геометрическое поле. Соответствует типу OpenGIS Specification "
+"Geometry."
+
+msgid "Point"
+msgstr "Точка"
+
+msgid "Line string"
+msgstr "Ломаная"
+
+msgid "Polygon"
+msgstr "Многоугольник"
+
+msgid "Multi-point"
+msgstr "Набор точек"
+
+msgid "Multi-line string"
+msgstr "Набор ломаных"
+
+msgid "Multi polygon"
+msgstr "Набор многоугольников"
+
+msgid "Geometry collection"
+msgstr "Набор геометрических объектов"
+
+msgid "Extent Aggregate Field"
+msgstr "Поле, агрегирующее площадь или объём"
+
+msgid "Raster Field"
+msgstr "Растровое поле"
+
+msgid "No geometry value provided."
+msgstr "Не указано значение геометрии."
+
+msgid "Invalid geometry value."
+msgstr "Неверное значение геометрии."
+
+msgid "Invalid geometry type."
+msgstr "Неверный тип геометрического объекта."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Произошла ошибка во время преобразования геометрического объекта в SRID."
+
+msgid "Delete all Features"
+msgstr "Удалить все объекты"
+
+msgid "Debugging window (serialized value)"
+msgstr "Отладочное окно (сериализованные значения)"
+
+msgid "No feeds are registered."
+msgstr "Нет зарегистрированных фидов."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Слаг %r не зарегистрирован."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9a6c2f5c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5a6c87c5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 18f25ad6fa9930fc67cb11aca9d16a27, 2012
+# Marian Andre <marian@andre.sk>, 2015,2017
+# Martin Tóth <ezimir@gmail.com>, 2017,2023
+# Štefan Lučivjanský <stefan.lucivjansky@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Základné GIS pole."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "Základné pole Geometry — mapuje na typ OpenGIS Specification Geometry."
+
+msgid "Point"
+msgstr "Bod"
+
+msgid "Line string"
+msgstr "Čiara"
+
+msgid "Polygon"
+msgstr "Polygón"
+
+msgid "Multi-point"
+msgstr "Viacero bodov"
+
+msgid "Multi-line string"
+msgstr "Viacero čiar"
+
+msgid "Multi polygon"
+msgstr "Viacero polygónov"
+
+msgid "Geometry collection"
+msgstr "Goemetrická kolekcia"
+
+msgid "Extent Aggregate Field"
+msgstr "Rozšírené agregátne pole"
+
+msgid "Raster Field"
+msgstr "Rastrové Pole"
+
+msgid "No geometry value provided."
+msgstr "Nie je zadaná žiadna geometrická hodnota."
+
+msgid "Invalid geometry value."
+msgstr "Chybná geometrická hodnota."
+
+msgid "Invalid geometry type."
+msgstr "Chybný geometrický typ."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Nastala chyba pri prevode geometrie do SRID z formulárového poľa."
+
+msgid "Delete all Features"
+msgstr "Odstrániť všetky vlastnosti"
+
+msgid "Debugging window (serialized value)"
+msgstr "Ladiace okno (serializovaná hodnota)"
+
+msgid "No feeds are registered."
+msgstr "Žiadne kanály nie sú registrované."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Identifikátor %r nie je registrovaný."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b19dd7f0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e4551dd2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,89 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023
+# Primoz Verdnik <primoz.verdnik@gmail.com>, 2017
+# zejn <zelo.zejn+transifex@gmail.com>, 2016
+# zejn <zelo.zejn+transifex@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Mariusz Felisiak <felisiak.mariusz@gmail.com>, 2023\n"
+"Language-Team: Slovenian (http://app.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Osnovno GIS polje"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "Osnovno polje GIS — se preslika v vrsto Geometry po določilih OpenGIS."
+
+msgid "Point"
+msgstr "Točka"
+
+msgid "Line string"
+msgstr "Črtni niz"
+
+msgid "Polygon"
+msgstr "Mnogokotnik"
+
+msgid "Multi-point"
+msgstr "Več-točkovi predmet"
+
+msgid "Multi-line string"
+msgstr "Več črtni niz"
+
+msgid "Multi polygon"
+msgstr "Večkratni mnogokotnikov"
+
+msgid "Geometry collection"
+msgstr "Zbirka likov"
+
+msgid "Extent Aggregate Field"
+msgstr "Polje z agregiranim območjem"
+
+msgid "Raster Field"
+msgstr "Rastersko polje"
+
+msgid "No geometry value provided."
+msgstr "Ni navedene geometrijske vrednosti."
+
+msgid "Invalid geometry value."
+msgstr "Neveljavna geometrijska vrednost."
+
+msgid "Invalid geometry type."
+msgstr "Neveljavna vrsta geometrije."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Med pretvarjanjem geometrijskega zapisa v SRID geometrijskega polja je "
+"prišlo do napake."
+
+msgid "Delete all Features"
+msgstr "Pobriši vse atribute"
+
+msgid "Debugging window (serialized value)"
+msgstr "Okno za razhroščevanje (serializirana vrednost)"
+
+msgid "No feeds are registered."
+msgstr "Ni vpisanih virov."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Okrajšava %r ni vpisana."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..caf727f9
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..42cf2e91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik Bleta <besnik@programeshqip.org>, 2011,2015
+# Besnik Bleta <besnik@programeshqip.org>, 2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Besnik Bleta <besnik@programeshqip.org>, 2015,2019\n"
+"Language-Team: Albanian (http://app.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Fusha GIS bazë."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Pikë"
+
+msgid "Line string"
+msgstr "Varg vije"
+
+msgid "Polygon"
+msgstr "Shumëkëndësh"
+
+msgid "Multi-point"
+msgstr "Multi-pika"
+
+msgid "Multi-line string"
+msgstr "Varg multi-vijë"
+
+msgid "Multi polygon"
+msgstr "Multi shumëkëndësh"
+
+msgid "Geometry collection"
+msgstr "Përmbledhje gjeometrie"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "S’u dha vlerë gjeometrie."
+
+msgid "Invalid geometry value."
+msgstr "Vlerë e pavlefshme gjeometrie."
+
+msgid "Invalid geometry type."
+msgstr "Lloj i pavlefshëm gjeometrie."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Ndodhi një gabim gjatë shndërrimit të gjeometrisë në fushë SRID formulari "
+"gjeometrie."
+
+msgid "Delete all Features"
+msgstr "Fshiji krejt Veçoritë"
+
+msgid "Debugging window (serialized value)"
+msgstr "Dritare diagnostikimi (vlerë e serializuar)"
+
+msgid "No feeds are registered."
+msgstr "S’ka prurje të regjistruara."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Identifikuesi %r s’është i regjistruar."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3fbf09a5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..59154523
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Igor Jerosimić, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Igor Jerosimić, 2020\n"
+"Language-Team: Serbian (http://app.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Основна GIS поља."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Основно геометријско поље - мапира тип геометрије по „OpenGIS“ спецификацији."
+
+msgid "Point"
+msgstr "Тачка"
+
+msgid "Line string"
+msgstr "Линија"
+
+msgid "Polygon"
+msgstr "Полигон"
+
+msgid "Multi-point"
+msgstr "Више тачака"
+
+msgid "Multi-line string"
+msgstr "Више линија"
+
+msgid "Multi polygon"
+msgstr "Више полигона"
+
+msgid "Geometry collection"
+msgstr "Колекција геопметријских облика"
+
+msgid "Extent Aggregate Field"
+msgstr "Проширено збирно поље"
+
+msgid "Raster Field"
+msgstr "Растерско поље"
+
+msgid "No geometry value provided."
+msgstr "Нисте задали параметре за геометрију."
+
+msgid "Invalid geometry value."
+msgstr "Неисправан параметар за геометрију."
+
+msgid "Invalid geometry type."
+msgstr "Непостојећи тип геометрије."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Грешка се десила током трансформације геометрије на „SRID“ тип поља."
+
+msgid "Delete all Features"
+msgstr "Обриши сва својства"
+
+msgid "Debugging window (serialized value)"
+msgstr "Прозор за отклањање грешака (серијализована вредност)"
+
+msgid "No feeds are registered."
+msgstr "Нема регистрованих фидова."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Слаг %r није регистрован."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..baff02a1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr_Latn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8ab07443
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2019-2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janos Guljas <janos@resenje.org>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Igor Jerosimić, 2019-2020\n"
+"Language-Team: Serbian (Latin) (http://app.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Osnovno GIS polje."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Osnovno geometrijsko polje -- mapira tip geometrije po \"OpenGIS\" "
+"specifikaciji."
+
+msgid "Point"
+msgstr "Tačka"
+
+msgid "Line string"
+msgstr "Linija"
+
+msgid "Polygon"
+msgstr "Poligon"
+
+msgid "Multi-point"
+msgstr "Više tačaka"
+
+msgid "Multi-line string"
+msgstr "Više linija"
+
+msgid "Multi polygon"
+msgstr "Više poligona"
+
+msgid "Geometry collection"
+msgstr "Kolekcija geopmetrijskih oblika"
+
+msgid "Extent Aggregate Field"
+msgstr "Prošireno zbirno polje"
+
+msgid "Raster Field"
+msgstr "Rastersko polje"
+
+msgid "No geometry value provided."
+msgstr "Niste zadali parametre za geometriju."
+
+msgid "Invalid geometry value."
+msgstr "Neispravan parametar za geometriju."
+
+msgid "Invalid geometry type."
+msgstr "Nepostojeći tip geometrije."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Greška se desila tokom transformacije geometrije na „SRID“ tip polja."
+
+msgid "Delete all Features"
+msgstr "Obriši sva svojstva"
+
+msgid "Debugging window (serialized value)"
+msgstr "Prozor za otklanjanje grešaka (serijalizovana vrednost)"
+
+msgid "No feeds are registered."
+msgstr "Nema registrovanih fidova."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slag %r nije registrovan."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3a9473dd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c98dc927
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Albin Larsson <albin.post@gmail.com>, 2022
+# Andreas Pelme <andreas@pelme.se>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2015
+# Jonathan Lindén, 2014
+# Petter Strandmark <petter.strandmark@gmail.com>, 2019
+# Thomas Lundqvist, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Albin Larsson <albin.post@gmail.com>, 2022\n"
+"Language-Team: Swedish (http://app.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Basklassen för GIS-fält."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Basklassen för geometri-fält -- motsvarar ”Geometry”-typen i OpenGIS-"
+"specifikationen."
+
+msgid "Point"
+msgstr "Punkt"
+
+msgid "Line string"
+msgstr "Linjesegment"
+
+msgid "Polygon"
+msgstr "Polygon"
+
+msgid "Multi-point"
+msgstr "Multipunkt"
+
+msgid "Multi-line string"
+msgstr "Multilinjesegment"
+
+msgid "Multi polygon"
+msgstr "Multipolygon"
+
+msgid "Geometry collection"
+msgstr "Geometrisamling"
+
+msgid "Extent Aggregate Field"
+msgstr "Fält för sammanlagd yta"
+
+msgid "Raster Field"
+msgstr "Rasterfält"
+
+msgid "No geometry value provided."
+msgstr "Inget geometriskt värde angivet."
+
+msgid "Invalid geometry value."
+msgstr "Ogiltigt geometrivärde."
+
+msgid "Invalid geometry type."
+msgstr "Ogiltig geometrityp"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Ett fel uppstod under transformering till SRID:t hos formulärsfältet."
+
+msgid "Delete all Features"
+msgstr "Ta bort alla attribut"
+
+msgid "Debugging window (serialized value)"
+msgstr "Felsökningsfönster (serialiserat värde)"
+
+msgid "No feeds are registered."
+msgstr "Inga flöden är registrerade."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slugen %r är inte registrerad."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1e7ac9ff
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sw/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..04d75bb0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Machaku <bmachaku@gmail.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Nukta"
+
+msgid "Line string"
+msgstr "Mstari"
+
+msgid "Polygon"
+msgstr "Poligoni"
+
+msgid "Multi-point"
+msgstr "Nukta zaidi ya moja"
+
+msgid "Multi-line string"
+msgstr "Mstari zaidi ya mmoja. "
+
+msgid "Multi polygon"
+msgstr "Poligoni zaidi ya moja"
+
+msgid "Geometry collection"
+msgstr "Mkusanyiko wa jiometri"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Hakuna thamani ya jiometri iliyotolewa"
+
+msgid "Invalid geometry value."
+msgstr "Thamani batili ya jiometri."
+
+msgid "Invalid geometry type."
+msgstr "Aina batili ya jiometri."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Hitilafu imetokea wakati wa kubadilisha jiometri kuwa SRID ya sehemu ya fomu "
+"ya jiometri."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Hakuna mlisho uliosajiliwa."
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Slagi %r haijasajiliwa"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7964f323
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9c2577c6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/projects/p/django/language/"
+"ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..20bc7f0c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0797c2fd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "క్షెత్రగనిత మూల్యము ఇవ్వలెదు."
+
+msgid "Invalid geometry value."
+msgstr "సరికాని  క్షేత్రగణిత మూల్యము."
+
+msgid "Invalid geometry type."
+msgstr "సరికాని  క్షేత్రగణిత రకం."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..257eae1e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e05714ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,84 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-15 01:08+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Майдони асосии GIS"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr "Шакли нодурусти геометрӣ"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..de8d4c58
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/th/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..40355c25
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2012
+# Vichai Vongvorakul <vongvichai@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "จุด"
+
+msgid "Line string"
+msgstr "สายสตริง"
+
+msgid "Polygon"
+msgstr "รูปหลายเหลี่ยม"
+
+msgid "Multi-point"
+msgstr "หลาย ๆ จุด"
+
+msgid "Multi-line string"
+msgstr "สตริงหลายบรรทัด"
+
+msgid "Multi polygon"
+msgstr "รูปหลายเหลี่ยมหลายรูป"
+
+msgid "Geometry collection"
+msgstr "คอลเลกชันรูปทรงเรขาคณิต"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "ไม่พบข้อมูลพิกัด"
+
+msgid "Invalid geometry value."
+msgstr "ค่าพิกัดผิดพลาด "
+
+msgid "Invalid geometry type."
+msgstr "ขนิดข้อมูลพิกัดผิดพลาด"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "ข้อผิดพลาดที่เกิดขึ้นเมื่อการเปลี่ยนรูปทรงเรขาคณิตที่ SRID ของเขตข้อมูลฟอร์มเรขาคณิต"
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "ไม่มีฟีดที่ลงทะเบียน"
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Slug %r ไม่ได้ลงทะเบียน"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..46268b53
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..455bffb3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,88 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# BouRock, 2015,2019
+# BouRock, 2014-2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Murat Çorlu <muratcorlu@me.com>, 2012
+# Murat Sahin <martinamca@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: BouRock, 2015,2019\n"
+"Language-Team: Turkish (http://app.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "Temel GIS alanı."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "Temel Geometri alanı — OpenGIS Özellikleri Geometri türüyle eşlenir."
+
+msgid "Point"
+msgstr "Nokta"
+
+msgid "Line string"
+msgstr "Satır dizgisi"
+
+msgid "Polygon"
+msgstr "Çokgen"
+
+msgid "Multi-point"
+msgstr "Çok noktalı"
+
+msgid "Multi-line string"
+msgstr "Çok satırlı dizgi"
+
+msgid "Multi polygon"
+msgstr "Çoklu çokgen"
+
+msgid "Geometry collection"
+msgstr "Geometri koleksiyonu"
+
+msgid "Extent Aggregate Field"
+msgstr "Toplama Alanını Genişlet"
+
+msgid "Raster Field"
+msgstr "Tarama Alanı"
+
+msgid "No geometry value provided."
+msgstr "Verilen hiç geometri değeri yok."
+
+msgid "Invalid geometry value."
+msgstr "Geçersiz geometri değeri."
+
+msgid "Invalid geometry type."
+msgstr "Geçersiz geometri türü."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"Geometri verisi geometri form alanının SRID değerine dönüştürülürken bir "
+"hata meydana geldi."
+
+msgid "Delete all Features"
+msgstr "Tüm Özellikleri Sil"
+
+msgid "Debugging window (serialized value)"
+msgstr "Hata ayıklama penceresi (serileştirilmiş değer)"
+
+msgid "No feeds are registered."
+msgstr "Hiçbir besleme kayıtlı değil."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "%r kısaltması kayıtlı değil."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..618bfb74
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c54e9f22
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,85 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+# v_ildar <v_ildar@bk.ru>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "ГИС"
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Нокта"
+
+msgid "Line string"
+msgstr "Сынык сызык"
+
+msgid "Polygon"
+msgstr "Күппочмак"
+
+msgid "Multi-point"
+msgstr "Нокта җыелмасы"
+
+msgid "Multi-line string"
+msgstr "Сынык сызыклар җыелмасы"
+
+msgid "Multi polygon"
+msgstr "Күппочмаклар җыелмасы"
+
+msgid "Geometry collection"
+msgstr "Геометрик объектлар җыелмасы"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Геометрик кыйммәт күрсәтелмәгән."
+
+msgid "Invalid geometry value."
+msgstr "Дөрес булмаган геометрик кыйммәт."
+
+msgid "Invalid geometry type."
+msgstr "Дөрес булмаган геометрик тип."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Геометриядән SRIDгә үзгәртү вакытында хата килеп чыкты."
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..192c21ca
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/udm/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1208f91c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,80 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-03-18 09:16+0100\n"
+"PO-Revision-Date: 2015-03-18 08:35+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr ""
+
+msgid "Line string"
+msgstr ""
+
+msgid "Polygon"
+msgstr ""
+
+msgid "Multi-point"
+msgstr ""
+
+msgid "Multi-line string"
+msgstr ""
+
+msgid "Multi polygon"
+msgstr ""
+
+msgid "Geometry collection"
+msgstr ""
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr ""
+
+msgid "Invalid geometry value."
+msgstr ""
+
+msgid "Invalid geometry type."
+msgstr ""
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Google Maps via GeoDjango"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0dff8157
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b64a663b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+# Azat, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Azat, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "ئاساسىي GIS بۆلىكى."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"ئاساسىي گېئومېتىرىيە سۆز بۆلىكى_OpenGIS ئۆلچەملىك گېئومېتىرىيە تىپىدە ئەكس "
+"ئەتتۈرىدۇ."
+
+msgid "Point"
+msgstr "نۇقتا"
+
+msgid "Line string"
+msgstr "قۇر تىزىقى"
+
+msgid "Polygon"
+msgstr "كۆپ تەرەپلىك"
+
+msgid "Multi-point"
+msgstr "كۆپ نۇقتا"
+
+msgid "Multi-line string"
+msgstr "كۆپ قۇر تىزىقى"
+
+msgid "Multi polygon"
+msgstr "نۇرغۇن كۆپ تەرەپلىك"
+
+msgid "Geometry collection"
+msgstr "گېئومېتىرىيە توپلىمى"
+
+msgid "Extent Aggregate Field"
+msgstr "كېڭەيتىلگەن يىغىندا سۆز بۆلىكى"
+
+msgid "Raster Field"
+msgstr "راستىر ساھەسى"
+
+msgid "No geometry value provided."
+msgstr "گېئومېتىرىيە قىممىتى تەمىنلەنمىگەن."
+
+msgid "Invalid geometry value."
+msgstr "گېئومېتىرىيە قىممىتى ئىناۋەتسىز."
+
+msgid "Invalid geometry type."
+msgstr "ئىناۋەتسىز گېئومېتىرىيە تىپى"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"گىئومېتىرىيەلىك شەكىلنى گىئومېتىرىيە جەدۋەل سۆز بۆلىكىدىكى SRID غا "
+"ئايلاندۇرغاندا خاتالىق كۆرۈلدى."
+
+msgid "Delete all Features"
+msgstr "ھەممە ئىقتىدارلارنى ئۆچۈر"
+
+msgid "Debugging window (serialized value)"
+msgstr "تەڭشەش كۆزنىكى (سېرىللاشتۇرۇلغان قىممەت)"
+
+msgid "No feeds are registered."
+msgstr "ھېچقانداق مەنبە خەتلەتمىگەن."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Slug %r تىزىملىتىلمىغان."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cd5c40de
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f894c66b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,93 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Denis Podlesniy <haos616@gmail.com>, 2016
+# Illia Volochii <illia.volochii@gmail.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kirill Gagarski <gagarin.gtn@gmail.com>, 2016
+# Max V. Stotsky <transifex@ms.pereslavl.ru>, 2014
+# Roman Kozlovskyi <krzroman@gmail.com>, 2012
+# Sergey Lysach <sergikoff88@gmail.com>, 2011
+# Андрей Костенко <andrey@kostenko.name>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>, 2021\n"
+"Language-Team: Ukrainian (http://app.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "GIS"
+msgstr "ГІС"
+
+msgid "The base GIS field."
+msgstr "Базове GIS поле."
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr ""
+"Базове поле Geometry, яке відповідає типу Geometry із специфікації OpenGIS"
+
+msgid "Point"
+msgstr "Точка"
+
+msgid "Line string"
+msgstr "Ламана"
+
+msgid "Polygon"
+msgstr "Багатокутник"
+
+msgid "Multi-point"
+msgstr "Набір точок"
+
+msgid "Multi-line string"
+msgstr "Набір ламаних"
+
+msgid "Multi polygon"
+msgstr "Набір багатокутників"
+
+msgid "Geometry collection"
+msgstr "Набір геометричних об'єктів"
+
+msgid "Extent Aggregate Field"
+msgstr "Поле, агрегуюче площу чи об'єм"
+
+msgid "Raster Field"
+msgstr "Растрове поле"
+
+msgid "No geometry value provided."
+msgstr "Не задано геометричне значення."
+
+msgid "Invalid geometry value."
+msgstr "Невірне геометричне значення."
+
+msgid "Invalid geometry type."
+msgstr "Невірний геометричний тип."
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Помилка при перетворенні геометрії до SRID геометричного поля форми."
+
+msgid "Delete all Features"
+msgstr "Видалити всі Features"
+
+msgid "Debugging window (serialized value)"
+msgstr "Вікно налагождення (серіалізоване значення)"
+
+msgid "No feeds are registered."
+msgstr "Немає зареєстрованих підписок."
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "Слаг %r не зареєстрований."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4b2b784c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bb78f46a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "نقطہ"
+
+msgid "Line string"
+msgstr "لائن سٹرنگ"
+
+msgid "Polygon"
+msgstr "پولی گان"
+
+msgid "Multi-point"
+msgstr "کثیر النقاط"
+
+msgid "Multi-line string"
+msgstr "متعدد لائنوں والا سٹرنگ"
+
+msgid "Multi polygon"
+msgstr "ملٹی پولی گان"
+
+msgid "Geometry collection"
+msgstr "جیومیٹری کا ذخیرہ"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "کوئی جیومیٹری ویلیو مھیا نھیں کی گئی۔"
+
+msgid "Invalid geometry value."
+msgstr "غلط جیومیٹری ویلیو۔"
+
+msgid "Invalid geometry type."
+msgstr "غلط جیومیٹری ٹائپ"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr ""
+"جیومیٹری کو جیومیٹری کے فارم کے SRID خانے میں تبدیل کرتے ھوئےکوئی خرابی واقع "
+"ھو گئی ھے۔"
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr ""
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0295e890
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..adfc6b56
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,87 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Thanh Le Viet <lethanhx2k@gmail.com>, 2013
+# Tran <hongdiepkien@gmail.com>, 2011
+# Tran Van <vantxm@yahoo.co.uk>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-19 16:49+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr ""
+
+msgid "The base GIS field."
+msgstr ""
+
+msgid ""
+"The base Geometry field -- maps to the OpenGIS Specification Geometry type."
+msgstr ""
+
+msgid "Point"
+msgstr "Điểm"
+
+msgid "Line string"
+msgstr "Đường"
+
+msgid "Polygon"
+msgstr "Đa giác"
+
+msgid "Multi-point"
+msgstr "Đa điểm"
+
+msgid "Multi-line string"
+msgstr "Multi-line string"
+
+msgid "Multi polygon"
+msgstr "Multi polygon"
+
+msgid "Geometry collection"
+msgstr "Kiểu hình học"
+
+msgid "Extent Aggregate Field"
+msgstr ""
+
+msgid "Raster Field"
+msgstr ""
+
+msgid "No geometry value provided."
+msgstr "Không có giá trị geometry"
+
+msgid "Invalid geometry value."
+msgstr "Giá trị geometry không hợp lệ"
+
+msgid "Invalid geometry type."
+msgstr "Kiểu geometry không hợp lệ"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "Có lỗi khi chuyển đổi hình học từ SRID của trường geometry"
+
+msgid "Delete all Features"
+msgstr ""
+
+msgid "WKT debugging window:"
+msgstr ""
+
+msgid "Debugging window (serialized value)"
+msgstr ""
+
+msgid "No feeds are registered."
+msgstr "Không có feed nào được đăng kí"
+
+#, python-format
+msgid "Slug %r isn't registered."
+msgstr "Slug %r không được đăng kí"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cffabb2e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6411c6b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,90 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Daniel Duan <DaNmarner@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lei Yang <yanglei.go@gmail.com>, 2011
+# Lele Long <schemacs@gmail.com>, 2011,2015
+# mozillazg <opensource.mozillazg@gmail.com>, 2016
+# Ronald White <tkliuxing@me.com>, 2014
+# wolf ice <warwolf7677@163.com>, 2020
+# Kevin Sze <leiarix@gmail.com>, 2012
+# 航 柯 <korhang@163.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: wolf ice <warwolf7677@163.com>, 2020\n"
+"Language-Team: Chinese (China) (http://app.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "基础 GIS 字段。"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "基本几何字段—映射到OpenGIS规范几何类型。"
+
+msgid "Point"
+msgstr "点"
+
+msgid "Line string"
+msgstr "行字串"
+
+msgid "Polygon"
+msgstr "多边形"
+
+msgid "Multi-point"
+msgstr "多点"
+
+msgid "Multi-line string"
+msgstr "多行字符串"
+
+msgid "Multi polygon"
+msgstr "多个多边形"
+
+msgid "Geometry collection"
+msgstr "几何集合"
+
+msgid "Extent Aggregate Field"
+msgstr "扩展聚集字段"
+
+msgid "Raster Field"
+msgstr "光栅字段"
+
+msgid "No geometry value provided."
+msgstr "未提供几何信息。"
+
+msgid "Invalid geometry value."
+msgstr "无效几何信息。"
+
+msgid "Invalid geometry type."
+msgstr "无效几何类型。"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "几何形状转换SRID字段将发生错误"
+
+msgid "Delete all Features"
+msgstr "删除所有要素"
+
+msgid "Debugging window (serialized value)"
+msgstr "调试窗口(已序列化的值)"
+
+msgid "No feeds are registered."
+msgstr "没有已注册的源。"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "字段 %r没被注册"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hant/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d976cfde
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,86 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# ilay <ilay@ilay.tw>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 619e61dbdb61c57213f62815aaf60e01, 2011
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:45+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>, 2016,2019\n"
+"Language-Team: Chinese (Taiwan) (http://app.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "GIS"
+msgstr "GIS"
+
+msgid "The base GIS field."
+msgstr "基礎 GIS 欄位。"
+
+msgid ""
+"The base Geometry field — maps to the OpenGIS Specification Geometry type."
+msgstr "基本的 Geometry 欄位——對應於 OpenGIS 規格的 Geometry 類型。"
+
+msgid "Point"
+msgstr "Point 類別"
+
+msgid "Line string"
+msgstr "Line string 類別"
+
+msgid "Polygon"
+msgstr "Polygon 類別"
+
+msgid "Multi-point"
+msgstr "Multi-point 類別"
+
+msgid "Multi-line string"
+msgstr "Multi-line string 類別"
+
+msgid "Multi polygon"
+msgstr "Multi polygon 類別"
+
+msgid "Geometry collection"
+msgstr "Geometry collection (幾何型別之叢集) 類別"
+
+msgid "Extent Aggregate Field"
+msgstr "聚集程度欄位"
+
+msgid "Raster Field"
+msgstr "柵格欄位"
+
+msgid "No geometry value provided."
+msgstr "沒有幾何資訊。"
+
+msgid "Invalid geometry value."
+msgstr "無效的幾何參數。"
+
+msgid "Invalid geometry type."
+msgstr "無效的幾何類型。"
+
+msgid ""
+"An error occurred when transforming the geometry to the SRID of the geometry "
+"form field."
+msgstr "當把目前地理資訊-GIS，轉成空間參考識別碼-SRID時發生錯誤。"
+
+msgid "Delete all Features"
+msgstr "刪除所有特徵"
+
+msgid "Debugging window (serialized value)"
+msgstr "除錯視窗 (序列化值)"
+
+msgid "No feeds are registered."
+msgstr "沒有已註冊的 feed。"
+
+#, python-format
+msgid "Slug %r isn’t registered."
+msgstr "嵌入式語法 %r 尚未註冊。"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/__init__.py
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index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/__pycache__/inspectdb.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/__pycache__/inspectdb.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/__pycache__/ogrinspect.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/__pycache__/ogrinspect.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/inspectdb.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/inspectdb.py
new file mode 100644
index 00000000..1bcc1a07
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/inspectdb.py
@@ -0,0 +1,18 @@
+from django.core.management.commands.inspectdb import Command as InspectDBCommand
+
+
+class Command(InspectDBCommand):
+    db_module = "django.contrib.gis.db"
+
+    def get_field_type(self, connection, table_name, row):
+        field_type, field_params, field_notes = super().get_field_type(
+            connection, table_name, row
+        )
+        if field_type == "GeometryField":
+            # Getting a more specific field type and any additional parameters
+            # from the `get_geometry_type` routine for the spatial backend.
+            field_type, geo_params = connection.introspection.get_geometry_type(
+                table_name, row
+            )
+            field_params.update(geo_params)
+        return field_type, field_params, field_notes
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/ogrinspect.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/ogrinspect.py
new file mode 100644
index 00000000..2d2bd631
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/management/commands/ogrinspect.py
@@ -0,0 +1,164 @@
+import argparse
+
+from django.contrib.gis import gdal
+from django.core.management.base import BaseCommand, CommandError
+from django.utils.inspect import get_func_args
+
+
+class LayerOptionAction(argparse.Action):
+    """
+    Custom argparse action for the `ogrinspect` `layer_key` keyword option
+    which may be an integer or a string.
+    """
+
+    def __call__(self, parser, namespace, value, option_string=None):
+        try:
+            setattr(namespace, self.dest, int(value))
+        except ValueError:
+            setattr(namespace, self.dest, value)
+
+
+class ListOptionAction(argparse.Action):
+    """
+    Custom argparse action for `ogrinspect` keywords that require
+    a string list. If the string is 'True'/'true' then the option
+    value will be a boolean instead.
+    """
+
+    def __call__(self, parser, namespace, value, option_string=None):
+        if value.lower() == "true":
+            setattr(namespace, self.dest, True)
+        else:
+            setattr(namespace, self.dest, value.split(","))
+
+
+class Command(BaseCommand):
+    help = (
+        "Inspects the given OGR-compatible data source (e.g., a shapefile) and "
+        "outputs\na GeoDjango model with the given model name. For example:\n"
+        " ./manage.py ogrinspect zipcode.shp Zipcode"
+    )
+
+    requires_system_checks = []
+
+    def add_arguments(self, parser):
+        parser.add_argument("data_source", help="Path to the data source.")
+        parser.add_argument("model_name", help="Name of the model to create.")
+        parser.add_argument(
+            "--blank",
+            action=ListOptionAction,
+            default=False,
+            help="Use a comma separated list of OGR field names to add "
+            "the `blank=True` option to the field definition. Set to `true` "
+            "to apply to all applicable fields.",
+        )
+        parser.add_argument(
+            "--decimal",
+            action=ListOptionAction,
+            default=False,
+            help="Use a comma separated list of OGR float fields to "
+            "generate `DecimalField` instead of the default "
+            "`FloatField`. Set to `true` to apply to all OGR float fields.",
+        )
+        parser.add_argument(
+            "--geom-name",
+            default="geom",
+            help="Specifies the model name for the Geometry Field (defaults to `geom`)",
+        )
+        parser.add_argument(
+            "--layer",
+            dest="layer_key",
+            action=LayerOptionAction,
+            default=0,
+            help="The key for specifying which layer in the OGR data "
+            "source to use. Defaults to 0 (the first layer). May be "
+            "an integer or a string identifier for the layer.",
+        )
+        parser.add_argument(
+            "--multi-geom",
+            action="store_true",
+            help="Treat the geometry in the data source as a geometry collection.",
+        )
+        parser.add_argument(
+            "--name-field",
+            help="Specifies a field name to return for the __str__() method.",
+        )
+        parser.add_argument(
+            "--no-imports",
+            action="store_false",
+            dest="imports",
+            help="Do not include `from django.contrib.gis.db import models` statement.",
+        )
+        parser.add_argument(
+            "--null",
+            action=ListOptionAction,
+            default=False,
+            help="Use a comma separated list of OGR field names to add "
+            "the `null=True` option to the field definition. Set to `true` "
+            "to apply to all applicable fields.",
+        )
+        parser.add_argument(
+            "--srid",
+            help="The SRID to use for the Geometry Field. If it can be "
+            "determined, the SRID of the data source is used.",
+        )
+        parser.add_argument(
+            "--mapping",
+            action="store_true",
+            help="Generate mapping dictionary for use with `LayerMapping`.",
+        )
+
+    def handle(self, *args, **options):
+        data_source, model_name = options.pop("data_source"), options.pop("model_name")
+
+        # Getting the OGR DataSource from the string parameter.
+        try:
+            ds = gdal.DataSource(data_source)
+        except gdal.GDALException as msg:
+            raise CommandError(msg)
+
+        # Returning the output of ogrinspect with the given arguments
+        # and options.
+        from django.contrib.gis.utils.ogrinspect import _ogrinspect, mapping
+
+        # Filter options to params accepted by `_ogrinspect`
+        ogr_options = {
+            k: v
+            for k, v in options.items()
+            if k in get_func_args(_ogrinspect) and v is not None
+        }
+        output = [s for s in _ogrinspect(ds, model_name, **ogr_options)]
+
+        if options["mapping"]:
+            # Constructing the keyword arguments for `mapping`, and
+            # calling it on the data source.
+            kwargs = {
+                "geom_name": options["geom_name"],
+                "layer_key": options["layer_key"],
+                "multi_geom": options["multi_geom"],
+            }
+            mapping_dict = mapping(ds, **kwargs)
+            # This extra legwork is so that the dictionary definition comes
+            # out in the same order as the fields in the model definition.
+            rev_mapping = {v: k for k, v in mapping_dict.items()}
+            output.extend(
+                [
+                    "",
+                    "",
+                    "# Auto-generated `LayerMapping` dictionary for %s model"
+                    % model_name,
+                    "%s_mapping = {" % model_name.lower(),
+                ]
+            )
+            output.extend(
+                "    '%s': '%s'," % (rev_mapping[ogr_fld], ogr_fld)
+                for ogr_fld in ds[options["layer_key"]].fields
+            )
+            output.extend(
+                [
+                    "    '%s': '%s',"
+                    % (options["geom_name"], mapping_dict[options["geom_name"]]),
+                    "}",
+                ]
+            )
+        return "\n".join(output)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/measure.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/measure.py
new file mode 100644
index 00000000..590a8029
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/measure.py
@@ -0,0 +1,368 @@
+# Copyright (c) 2007, Robert Coup <robert.coup@onetrackmind.co.nz>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+#   1. Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#
+#   2. Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in the
+#      documentation and/or other materials provided with the distribution.
+#
+#   3. Neither the name of Distance nor the names of its contributors may be used
+#      to endorse or promote products derived from this software without
+#      specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+"""
+Distance and Area objects to allow for sensible and convenient calculation
+and conversions.
+
+Authors: Robert Coup, Justin Bronn, Riccardo Di Virgilio
+
+Inspired by GeoPy (https://github.com/geopy/geopy)
+and Geoff Biggs' PhD work on dimensioned units for robotics.
+"""
+from decimal import Decimal
+from functools import total_ordering
+
+__all__ = ["A", "Area", "D", "Distance"]
+
+NUMERIC_TYPES = (int, float, Decimal)
+AREA_PREFIX = "sq_"
+
+
+def pretty_name(obj):
+    return obj.__name__ if obj.__class__ == type else obj.__class__.__name__
+
+
+@total_ordering
+class MeasureBase:
+    STANDARD_UNIT = None
+    ALIAS = {}
+    UNITS = {}
+    LALIAS = {}
+
+    def __init__(self, default_unit=None, **kwargs):
+        value, self._default_unit = self.default_units(kwargs)
+        setattr(self, self.STANDARD_UNIT, value)
+        if default_unit and isinstance(default_unit, str):
+            self._default_unit = default_unit
+
+    def _get_standard(self):
+        return getattr(self, self.STANDARD_UNIT)
+
+    def _set_standard(self, value):
+        setattr(self, self.STANDARD_UNIT, value)
+
+    standard = property(_get_standard, _set_standard)
+
+    def __getattr__(self, name):
+        if name in self.UNITS:
+            return self.standard / self.UNITS[name]
+        else:
+            raise AttributeError("Unknown unit type: %s" % name)
+
+    def __repr__(self):
+        return "%s(%s=%s)" % (
+            pretty_name(self),
+            self._default_unit,
+            getattr(self, self._default_unit),
+        )
+
+    def __str__(self):
+        return "%s %s" % (getattr(self, self._default_unit), self._default_unit)
+
+    # **** Comparison methods ****
+
+    def __eq__(self, other):
+        if isinstance(other, self.__class__):
+            return self.standard == other.standard
+        else:
+            return NotImplemented
+
+    def __hash__(self):
+        return hash(self.standard)
+
+    def __lt__(self, other):
+        if isinstance(other, self.__class__):
+            return self.standard < other.standard
+        else:
+            return NotImplemented
+
+    # **** Operators methods ****
+
+    def __add__(self, other):
+        if isinstance(other, self.__class__):
+            return self.__class__(
+                default_unit=self._default_unit,
+                **{self.STANDARD_UNIT: (self.standard + other.standard)},
+            )
+        else:
+            raise TypeError(
+                "%(class)s must be added with %(class)s" % {"class": pretty_name(self)}
+            )
+
+    def __iadd__(self, other):
+        if isinstance(other, self.__class__):
+            self.standard += other.standard
+            return self
+        else:
+            raise TypeError(
+                "%(class)s must be added with %(class)s" % {"class": pretty_name(self)}
+            )
+
+    def __sub__(self, other):
+        if isinstance(other, self.__class__):
+            return self.__class__(
+                default_unit=self._default_unit,
+                **{self.STANDARD_UNIT: (self.standard - other.standard)},
+            )
+        else:
+            raise TypeError(
+                "%(class)s must be subtracted from %(class)s"
+                % {"class": pretty_name(self)}
+            )
+
+    def __isub__(self, other):
+        if isinstance(other, self.__class__):
+            self.standard -= other.standard
+            return self
+        else:
+            raise TypeError(
+                "%(class)s must be subtracted from %(class)s"
+                % {"class": pretty_name(self)}
+            )
+
+    def __mul__(self, other):
+        if isinstance(other, NUMERIC_TYPES):
+            return self.__class__(
+                default_unit=self._default_unit,
+                **{self.STANDARD_UNIT: (self.standard * other)},
+            )
+        else:
+            raise TypeError(
+                "%(class)s must be multiplied with number"
+                % {"class": pretty_name(self)}
+            )
+
+    def __imul__(self, other):
+        if isinstance(other, NUMERIC_TYPES):
+            self.standard *= float(other)
+            return self
+        else:
+            raise TypeError(
+                "%(class)s must be multiplied with number"
+                % {"class": pretty_name(self)}
+            )
+
+    def __rmul__(self, other):
+        return self * other
+
+    def __truediv__(self, other):
+        if isinstance(other, self.__class__):
+            return self.standard / other.standard
+        if isinstance(other, NUMERIC_TYPES):
+            return self.__class__(
+                default_unit=self._default_unit,
+                **{self.STANDARD_UNIT: (self.standard / other)},
+            )
+        else:
+            raise TypeError(
+                "%(class)s must be divided with number or %(class)s"
+                % {"class": pretty_name(self)}
+            )
+
+    def __itruediv__(self, other):
+        if isinstance(other, NUMERIC_TYPES):
+            self.standard /= float(other)
+            return self
+        else:
+            raise TypeError(
+                "%(class)s must be divided with number" % {"class": pretty_name(self)}
+            )
+
+    def __bool__(self):
+        return bool(self.standard)
+
+    def default_units(self, kwargs):
+        """
+        Return the unit value and the default units specified
+        from the given keyword arguments dictionary.
+        """
+        val = 0.0
+        default_unit = self.STANDARD_UNIT
+        for unit, value in kwargs.items():
+            if not isinstance(value, float):
+                value = float(value)
+            if unit in self.UNITS:
+                val += self.UNITS[unit] * value
+                default_unit = unit
+            elif unit in self.ALIAS:
+                u = self.ALIAS[unit]
+                val += self.UNITS[u] * value
+                default_unit = u
+            else:
+                lower = unit.lower()
+                if lower in self.UNITS:
+                    val += self.UNITS[lower] * value
+                    default_unit = lower
+                elif lower in self.LALIAS:
+                    u = self.LALIAS[lower]
+                    val += self.UNITS[u] * value
+                    default_unit = u
+                else:
+                    raise AttributeError("Unknown unit type: %s" % unit)
+        return val, default_unit
+
+    @classmethod
+    def unit_attname(cls, unit_str):
+        """
+        Retrieve the unit attribute name for the given unit string.
+        For example, if the given unit string is 'metre', return 'm'.
+        Raise an AttributeError if an attribute cannot be found.
+        """
+        lower = unit_str.lower()
+        if unit_str in cls.UNITS:
+            return unit_str
+        elif lower in cls.UNITS:
+            return lower
+        elif lower in cls.LALIAS:
+            return cls.LALIAS[lower]
+        else:
+            raise AttributeError(f"Unknown unit type: {unit_str}")
+
+
+class Distance(MeasureBase):
+    STANDARD_UNIT = "m"
+    UNITS = {
+        "chain": 20.1168,
+        "chain_benoit": 20.116782,
+        "chain_sears": 20.1167645,
+        "british_chain_benoit": 20.1167824944,
+        "british_chain_sears": 20.1167651216,
+        "british_chain_sears_truncated": 20.116756,
+        "cm": 0.01,
+        "british_ft": 0.304799471539,
+        "british_yd": 0.914398414616,
+        "clarke_ft": 0.3047972654,
+        "clarke_link": 0.201166195164,
+        "fathom": 1.8288,
+        "ft": 0.3048,
+        "furlong": 201.168,
+        "german_m": 1.0000135965,
+        "gold_coast_ft": 0.304799710181508,
+        "indian_yd": 0.914398530744,
+        "inch": 0.0254,
+        "km": 1000.0,
+        "link": 0.201168,
+        "link_benoit": 0.20116782,
+        "link_sears": 0.20116765,
+        "m": 1.0,
+        "mi": 1609.344,
+        "mm": 0.001,
+        "nm": 1852.0,
+        "nm_uk": 1853.184,
+        "rod": 5.0292,
+        "sears_yd": 0.91439841,
+        "survey_ft": 0.304800609601,
+        "um": 0.000001,
+        "yd": 0.9144,
+    }
+
+    # Unit aliases for `UNIT` terms encountered in Spatial Reference WKT.
+    ALIAS = {
+        "centimeter": "cm",
+        "foot": "ft",
+        "inches": "inch",
+        "kilometer": "km",
+        "kilometre": "km",
+        "meter": "m",
+        "metre": "m",
+        "micrometer": "um",
+        "micrometre": "um",
+        "millimeter": "mm",
+        "millimetre": "mm",
+        "mile": "mi",
+        "yard": "yd",
+        "British chain (Benoit 1895 B)": "british_chain_benoit",
+        "British chain (Sears 1922)": "british_chain_sears",
+        "British chain (Sears 1922 truncated)": "british_chain_sears_truncated",
+        "British foot (Sears 1922)": "british_ft",
+        "British foot": "british_ft",
+        "British yard (Sears 1922)": "british_yd",
+        "British yard": "british_yd",
+        "Clarke's Foot": "clarke_ft",
+        "Clarke's link": "clarke_link",
+        "Chain (Benoit)": "chain_benoit",
+        "Chain (Sears)": "chain_sears",
+        "Foot (International)": "ft",
+        "Furrow Long": "furlong",
+        "German legal metre": "german_m",
+        "Gold Coast foot": "gold_coast_ft",
+        "Indian yard": "indian_yd",
+        "Link (Benoit)": "link_benoit",
+        "Link (Sears)": "link_sears",
+        "Nautical Mile": "nm",
+        "Nautical Mile (UK)": "nm_uk",
+        "US survey foot": "survey_ft",
+        "U.S. Foot": "survey_ft",
+        "Yard (Indian)": "indian_yd",
+        "Yard (Sears)": "sears_yd",
+    }
+    LALIAS = {k.lower(): v for k, v in ALIAS.items()}
+
+    def __mul__(self, other):
+        if isinstance(other, self.__class__):
+            return Area(
+                default_unit=AREA_PREFIX + self._default_unit,
+                **{AREA_PREFIX + self.STANDARD_UNIT: (self.standard * other.standard)},
+            )
+        elif isinstance(other, NUMERIC_TYPES):
+            return self.__class__(
+                default_unit=self._default_unit,
+                **{self.STANDARD_UNIT: (self.standard * other)},
+            )
+        else:
+            raise TypeError(
+                "%(distance)s must be multiplied with number or %(distance)s"
+                % {
+                    "distance": pretty_name(self.__class__),
+                }
+            )
+
+
+class Area(MeasureBase):
+    STANDARD_UNIT = AREA_PREFIX + Distance.STANDARD_UNIT
+    # Getting the square units values and the alias dictionary.
+    UNITS = {"%s%s" % (AREA_PREFIX, k): v**2 for k, v in Distance.UNITS.items()}
+    ALIAS = {k: "%s%s" % (AREA_PREFIX, v) for k, v in Distance.ALIAS.items()}
+    LALIAS = {k.lower(): v for k, v in ALIAS.items()}
+
+    def __truediv__(self, other):
+        if isinstance(other, NUMERIC_TYPES):
+            return self.__class__(
+                default_unit=self._default_unit,
+                **{self.STANDARD_UNIT: (self.standard / other)},
+            )
+        else:
+            raise TypeError(
+                "%(class)s must be divided by a number" % {"class": pretty_name(self)}
+            )
+
+
+# Shortcuts
+D = Distance
+A = Area
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/ptr.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/ptr.py
new file mode 100644
index 00000000..67547016
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/ptr.py
@@ -0,0 +1,41 @@
+from ctypes import c_void_p
+
+
+class CPointerBase:
+    """
+    Base class for objects that have a pointer access property
+    that controls access to the underlying C pointer.
+    """
+
+    _ptr = None  # Initially the pointer is NULL.
+    ptr_type = c_void_p
+    destructor = None
+    null_ptr_exception_class = AttributeError
+
+    @property
+    def ptr(self):
+        # Raise an exception if the pointer isn't valid so that NULL pointers
+        # aren't passed to routines -- that's very bad.
+        if self._ptr:
+            return self._ptr
+        raise self.null_ptr_exception_class(
+            "NULL %s pointer encountered." % self.__class__.__name__
+        )
+
+    @ptr.setter
+    def ptr(self, ptr):
+        # Only allow the pointer to be set with pointers of the compatible
+        # type or None (NULL).
+        if not (ptr is None or isinstance(ptr, self.ptr_type)):
+            raise TypeError("Incompatible pointer type: %s." % type(ptr))
+        self._ptr = ptr
+
+    def __del__(self):
+        """
+        Free the memory used by the C++ object.
+        """
+        if self.destructor and self._ptr:
+            try:
+                self.destructor(self.ptr)
+            except (AttributeError, ImportError, TypeError):
+                pass  # Some part might already have been garbage collected
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..3acaf0bc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__pycache__/geojson.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__pycache__/geojson.cpython-311.pyc
new file mode 100644
index 00000000..9ff81128
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/__pycache__/geojson.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/geojson.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/geojson.py
new file mode 100644
index 00000000..072ee9dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/serializers/geojson.py
@@ -0,0 +1,81 @@
+import json
+
+from django.contrib.gis.gdal import CoordTransform, SpatialReference
+from django.core.serializers.base import SerializerDoesNotExist
+from django.core.serializers.json import Serializer as JSONSerializer
+
+
+class Serializer(JSONSerializer):
+    """
+    Convert a queryset to GeoJSON, http://geojson.org/
+    """
+
+    def _init_options(self):
+        super()._init_options()
+        self.geometry_field = self.json_kwargs.pop("geometry_field", None)
+        self.id_field = self.json_kwargs.pop("id_field", None)
+        self.srid = self.json_kwargs.pop("srid", 4326)
+        if (
+            self.selected_fields is not None
+            and self.geometry_field is not None
+            and self.geometry_field not in self.selected_fields
+        ):
+            self.selected_fields = [*self.selected_fields, self.geometry_field]
+
+    def start_serialization(self):
+        self._init_options()
+        self._cts = {}  # cache of CoordTransform's
+        self.stream.write(
+            '{"type": "FeatureCollection", '
+            '"crs": {"type": "name", "properties": {"name": "EPSG:%d"}},'
+            ' "features": [' % self.srid
+        )
+
+    def end_serialization(self):
+        self.stream.write("]}")
+
+    def start_object(self, obj):
+        super().start_object(obj)
+        self._geometry = None
+        if self.geometry_field is None:
+            # Find the first declared geometry field
+            for field in obj._meta.fields:
+                if hasattr(field, "geom_type"):
+                    self.geometry_field = field.name
+                    break
+
+    def get_dump_object(self, obj):
+        data = {
+            "type": "Feature",
+            "id": obj.pk if self.id_field is None else getattr(obj, self.id_field),
+            "properties": self._current,
+        }
+        if (
+            self.selected_fields is None or "pk" in self.selected_fields
+        ) and "pk" not in data["properties"]:
+            data["properties"]["pk"] = obj._meta.pk.value_to_string(obj)
+        if self._geometry:
+            if self._geometry.srid != self.srid:
+                # If needed, transform the geometry in the srid of the global
+                # geojson srid.
+                if self._geometry.srid not in self._cts:
+                    srs = SpatialReference(self.srid)
+                    self._cts[self._geometry.srid] = CoordTransform(
+                        self._geometry.srs, srs
+                    )
+                self._geometry.transform(self._cts[self._geometry.srid])
+            data["geometry"] = json.loads(self._geometry.geojson)
+        else:
+            data["geometry"] = None
+        return data
+
+    def handle_field(self, obj, field):
+        if field.name == self.geometry_field:
+            self._geometry = field.value_from_object(obj)
+        else:
+            super().handle_field(obj, field)
+
+
+class Deserializer:
+    def __init__(self, *args, **kwargs):
+        raise SerializerDoesNotExist("geojson is a serialization-only serializer")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/shortcuts.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/shortcuts.py
new file mode 100644
index 00000000..33ff2acb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/shortcuts.py
@@ -0,0 +1,40 @@
+import zipfile
+from io import BytesIO
+
+from django.conf import settings
+from django.http import HttpResponse
+from django.template import loader
+
+# NumPy supported?
+try:
+    import numpy
+except ImportError:
+    numpy = False
+
+
+def compress_kml(kml):
+    "Return compressed KMZ from the given KML string."
+    kmz = BytesIO()
+    with zipfile.ZipFile(kmz, "a", zipfile.ZIP_DEFLATED) as zf:
+        zf.writestr("doc.kml", kml.encode(settings.DEFAULT_CHARSET))
+    kmz.seek(0)
+    return kmz.read()
+
+
+def render_to_kml(*args, **kwargs):
+    "Render the response as KML (using the correct MIME type)."
+    return HttpResponse(
+        loader.render_to_string(*args, **kwargs),
+        content_type="application/vnd.google-earth.kml+xml",
+    )
+
+
+def render_to_kmz(*args, **kwargs):
+    """
+    Compress the KML content and return as KMZ (using the correct
+    MIME type).
+    """
+    return HttpResponse(
+        compress_kml(loader.render_to_string(*args, **kwargs)),
+        content_type="application/vnd.google-earth.kmz",
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__init__.py
new file mode 100644
index 00000000..3654bfc8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__init__.py
@@ -0,0 +1,4 @@
+# Geo-enabled Sitemap classes.
+from django.contrib.gis.sitemaps.kml import KMLSitemap, KMZSitemap
+
+__all__ = ["KMLSitemap", "KMZSitemap"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__pycache__/kml.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__pycache__/kml.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__pycache__/views.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/__pycache__/views.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/kml.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/kml.py
new file mode 100644
index 00000000..a84b5aef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/kml.py
@@ -0,0 +1,78 @@
+from django.apps import apps
+from django.contrib.gis.db.models import GeometryField
+from django.contrib.sitemaps import Sitemap
+from django.db import models
+from django.urls import reverse
+
+
+class KMLSitemap(Sitemap):
+    """
+    A minimal hook to produce KML sitemaps.
+    """
+
+    geo_format = "kml"
+
+    def __init__(self, locations=None):
+        # If no locations specified, then we try to build for
+        # every model in installed applications.
+        self.locations = self._build_kml_sources(locations)
+
+    def _build_kml_sources(self, sources):
+        """
+        Go through the given sources and return a 3-tuple of the application
+        label, module name, and field name of every GeometryField encountered
+        in the sources.
+
+        If no sources are provided, then all models.
+        """
+        kml_sources = []
+        if sources is None:
+            sources = apps.get_models()
+        for source in sources:
+            if isinstance(source, models.base.ModelBase):
+                for field in source._meta.fields:
+                    if isinstance(field, GeometryField):
+                        kml_sources.append(
+                            (
+                                source._meta.app_label,
+                                source._meta.model_name,
+                                field.name,
+                            )
+                        )
+            elif isinstance(source, (list, tuple)):
+                if len(source) != 3:
+                    raise ValueError(
+                        "Must specify a 3-tuple of (app_label, module_name, "
+                        "field_name)."
+                    )
+                kml_sources.append(source)
+            else:
+                raise TypeError("KML Sources must be a model or a 3-tuple.")
+        return kml_sources
+
+    def get_urls(self, page=1, site=None, protocol=None):
+        """
+        This method is overridden so the appropriate `geo_format` attribute
+        is placed on each URL element.
+        """
+        urls = Sitemap.get_urls(self, page=page, site=site, protocol=protocol)
+        for url in urls:
+            url["geo_format"] = self.geo_format
+        return urls
+
+    def items(self):
+        return self.locations
+
+    def location(self, obj):
+        return reverse(
+            "django.contrib.gis.sitemaps.views.%s" % self.geo_format,
+            kwargs={
+                "label": obj[0],
+                "model": obj[1],
+                "field_name": obj[2],
+            },
+        )
+
+
+class KMZSitemap(KMLSitemap):
+    geo_format = "kmz"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/views.py
new file mode 100644
index 00000000..17eb54e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/sitemaps/views.py
@@ -0,0 +1,65 @@
+from django.apps import apps
+from django.contrib.gis.db.models import GeometryField
+from django.contrib.gis.db.models.functions import AsKML, Transform
+from django.contrib.gis.shortcuts import render_to_kml, render_to_kmz
+from django.core.exceptions import FieldDoesNotExist
+from django.db import DEFAULT_DB_ALIAS, connections
+from django.http import Http404
+
+
+def kml(request, label, model, field_name=None, compress=False, using=DEFAULT_DB_ALIAS):
+    """
+    This view generates KML for the given app label, model, and field name.
+
+    The field name must be that of a geographic field.
+    """
+    placemarks = []
+    try:
+        klass = apps.get_model(label, model)
+    except LookupError:
+        raise Http404(
+            'You must supply a valid app label and module name.  Got "%s.%s"'
+            % (label, model)
+        )
+
+    if field_name:
+        try:
+            field = klass._meta.get_field(field_name)
+            if not isinstance(field, GeometryField):
+                raise FieldDoesNotExist
+        except FieldDoesNotExist:
+            raise Http404("Invalid geometry field.")
+
+    connection = connections[using]
+
+    if connection.features.has_AsKML_function:
+        # Database will take care of transformation.
+        placemarks = klass._default_manager.using(using).annotate(kml=AsKML(field_name))
+    else:
+        # If the database offers no KML method, we use the `kml`
+        # attribute of the lazy geometry instead.
+        placemarks = []
+        if connection.features.has_Transform_function:
+            qs = klass._default_manager.using(using).annotate(
+                **{"%s_4326" % field_name: Transform(field_name, 4326)}
+            )
+            field_name += "_4326"
+        else:
+            qs = klass._default_manager.using(using).all()
+        for mod in qs:
+            mod.kml = getattr(mod, field_name).kml
+            placemarks.append(mod)
+
+    # Getting the render function and rendering to the correct.
+    if compress:
+        render = render_to_kmz
+    else:
+        render = render_to_kml
+    return render("gis/kml/placemarks.kml", {"places": placemarks})
+
+
+def kmz(request, label, model, field_name=None, using=DEFAULT_DB_ALIAS):
+    """
+    Return KMZ for the given app label, model, and field name.
+    """
+    return kml(request, label, model, field_name, compress=True, using=using)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/css/ol3.css b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/css/ol3.css
new file mode 100644
index 00000000..ac8f0a8e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/css/ol3.css
@@ -0,0 +1,39 @@
+.dj_map_wrapper {
+    position: relative;
+    float: left;
+}
+html[dir="rtl"] .dj_map_wrapper {
+    float: right;
+}
+
+.switch-type {
+    background-repeat: no-repeat;
+    cursor: pointer;
+    top: 0.5em;
+    width: 22px;
+    height: 20px;
+}
+
+.type-Point {
+    background-image: url("../img/draw_point_off.svg");
+    right: 5px;
+}
+.type-Point.type-active {
+    background-image: url("../img/draw_point_on.svg");
+}
+
+.type-LineString {
+    background-image: url("../img/draw_line_off.svg");
+    right: 30px;
+}
+.type-LineString.type-active {
+    background-image: url("../img/draw_line_on.svg");
+}
+
+.type-Polygon {
+    background-image: url("../img/draw_polygon_off.svg");
+    right: 55px;
+}
+.type-Polygon.type-active {
+    background-image: url("../img/draw_polygon_on.svg");
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_line_off.svg b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_line_off.svg
new file mode 100644
index 00000000..c403af60
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_line_off.svg
@@ -0,0 +1 @@
+<svg width="22" height="20" viewBox="0 0 1000 915" xmlns="http://www.w3.org/2000/svg"><g><rect fill="#EDEDE8" x="20" y="20" width="960" height="875" rx="119" ry="119"/><path fill="#9F9F93" class="fil1" d="M139 0l722 0c38,0 73,16 98,41 25,25 41,60 41,98l0 637c0,38 -16,73 -41,98 -25,25 -60,41 -98,41l-722 0c-38,0 -73,-16 -98,-41 -25,-25 -41,-60 -41,-98l0 -637c0,-38 16,-73 41,-98 25,-25 60,-41 98,-41zm722 40l-722 0c-27,0 -52,11 -70,29 -18,18 -29,43 -29,70l0 637c0,27 11,52 29,70 18,18 43,29 70,29l722 0c27,0 52,-11 70,-29 18,-18 29,-43 29,-70l0 -637c0,-27 -11,-52 -29,-70 -18,-18 -43,-29 -70,-29z"/><polygon fill="#ABABA7" class="fil2" points="159,536 378,194 848,368 761,713 738,707 820,383 387,222 179,548 "/><circle fill="#000000" cx="383" cy="208" r="49"/><circle fill="#000000" cx="169" cy="542" r="49"/><circle fill="#000000" cx="834" cy="375" r="49"/><circle fill="#000000" cx="749" cy="710" r="49"/></g></svg>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_line_on.svg b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_line_on.svg
new file mode 100644
index 00000000..5eb0d6d1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_line_on.svg
@@ -0,0 +1 @@
+<svg width="22" height="20" viewBox="0 0 1000 915" xmlns="http://www.w3.org/2000/svg"><g><rect fill="#F3C022" x="20" y="20" width="960" height="875" rx="119" ry="119"/><path fill="#9F9F93" d="M139 0l722 0c38,0 73,16 98,41 25,25 41,60 41,98l0 637c0,38 -16,73 -41,98 -25,25 -60,41 -98,41l-722 0c-38,0 -73,-16 -98,-41 -25,-25 -41,-60 -41,-98l0 -637c0,-38 16,-73 41,-98 25,-25 60,-41 98,-41zm722 40l-722 0c-27,0 -52,11 -70,29 -18,18 -29,43 -29,70l0 637c0,27 11,52 29,70 18,18 43,29 70,29l722 0c27,0 52,-11 70,-29 18,-18 29,-43 29,-70l0 -637c0,-27 -11,-52 -29,-70 -18,-18 -43,-29 -70,-29z"/><polygon fill="#B08A15" points="159,536 378,194 848,368 761,713 738,707 820,383 387,222 179,548 "/><circle fill="#000000" cx="383" cy="208" r="49"/><circle fill="#000000" cx="169" cy="542" r="49"/><circle fill="#000000" cx="834" cy="375" r="49"/><circle fill="#000000" cx="749" cy="710" r="49"/></g></svg>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_point_off.svg b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_point_off.svg
new file mode 100644
index 00000000..5a290342
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_point_off.svg
@@ -0,0 +1 @@
+<svg width="22" height="20" viewBox="0 0 1000 915" xmlns="http://www.w3.org/2000/svg"><g><rect fill="#EDEDE8" x="20" y="20" width="960" height="875" rx="119" ry="119"/><path fill="#9F9F93" d="M139 0l722 0c38,0 73,16 98,41 25,25 41,60 41,98l0 637c0,38 -16,73 -41,98 -25,25 -60,41 -98,41l-722 0c-38,0 -73,-16 -98,-41 -25,-25 -41,-60 -41,-98l0 -637c0,-38 16,-73 41,-98 25,-25 60,-41 98,-41zm722 40l-722 0c-27,0 -52,11 -70,29 -18,18 -29,43 -29,70l0 637c0,27 11,52 29,70 18,18 43,29 70,29l722 0c27,0 52,-11 70,-29 18,-18 29,-43 29,-70l0 -637c0,-27 -11,-52 -29,-70 -18,-18 -43,-29 -70,-29z"/><path fill="#000000" d="M573 269l114 114 -289 288 -114 -114 289 -288zm200 -28l-51 -50c-19,-20 -51,-20 -71,0l-49 48 114 114 57 -57c15,-15 15,-39 0,-55zm-548 476c-2,10 6,18 15,16l127 -31 -113 -114 -29 129z"/></g></svg>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_point_on.svg b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_point_on.svg
new file mode 100644
index 00000000..f006524a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_point_on.svg
@@ -0,0 +1 @@
+<svg width="22" height="20" viewBox="0 0 1000 915" xmlns="http://www.w3.org/2000/svg"><g><rect fill="#F3C022" x="20" y="20" width="960" height="875" rx="119" ry="119"/><path fill="#9F9F93" d="M139 0l722 0c38,0 73,16 98,41 25,25 41,60 41,98l0 637c0,38 -16,73 -41,98 -25,25 -60,41 -98,41l-722 0c-38,0 -73,-16 -98,-41 -25,-25 -41,-60 -41,-98l0 -637c0,-38 16,-73 41,-98 25,-25 60,-41 98,-41zm722 40l-722 0c-27,0 -52,11 -70,29 -18,18 -29,43 -29,70l0 637c0,27 11,52 29,70 18,18 43,29 70,29l722 0c27,0 52,-11 70,-29 18,-18 29,-43 29,-70l0 -637c0,-27 -11,-52 -29,-70 -18,-18 -43,-29 -70,-29z"/><path fill="#000000" d="M573 269l114 114 -289 288 -114 -114 289 -288zm200 -28l-51 -50c-19,-20 -51,-20 -71,0l-49 48 114 114 57 -57c15,-15 15,-39 0,-55zm-548 476c-2,10 6,18 15,16l127 -31 -113 -114 -29 129z"/></g></svg>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_polygon_off.svg b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_polygon_off.svg
new file mode 100644
index 00000000..b02dd357
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_polygon_off.svg
@@ -0,0 +1 @@
+<svg width="22" height="20" viewBox="0 0 1000 915" xmlns="http://www.w3.org/2000/svg"><g><rect fill="#EDEDE8" x="20" y="20" width="960" height="875" rx="119" ry="119"/><path fill="#9F9F93" d="M139 0l722 0c38,0 73,16 98,41 25,25 41,60 41,98l0 637c0,38 -16,73 -41,98 -25,25 -60,41 -98,41l-722 0c-38,0 -73,-16 -98,-41 -25,-25 -41,-60 -41,-98l0 -637c0,-38 16,-73 41,-98 25,-25 60,-41 98,-41zm722 40l-722 0c-27,0 -52,11 -70,29 -18,18 -29,43 -29,70l0 637c0,27 11,52 29,70 18,18 43,29 70,29l722 0c27,0 52,-11 70,-29 18,-18 29,-43 29,-70l0 -637c0,-27 -11,-52 -29,-70 -18,-18 -43,-29 -70,-29z"/><polygon fill="#F1DFAC" points="169,542 749,710 834,375 383,208 "/><path fill="ABABA7" d="M188 535l553 160 79 -312 -433 -161 -199 313zm558 186l-595 -172 227 -355 470 174 -90 356 -12 -3z"/><circle fill="#000000" cx="383" cy="208" r="49"/><circle fill="#000000" cx="169" cy="542" r="49"/><circle fill="#000000" cx="834" cy="375" r="49"/><circle fill="#000000" cx="749" cy="710" r="49"/></g></svg>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_polygon_on.svg b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_polygon_on.svg
new file mode 100644
index 00000000..303a02a2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/img/draw_polygon_on.svg
@@ -0,0 +1 @@
+<svg width="22" height="20" viewBox="0 0 1000 915" xmlns="http://www.w3.org/2000/svg"><g><rect fill="#F3C022" x="20" y="20" width="960" height="875" rx="119" ry="119"/><path fill="#9F9F93" d="M139 0l722 0c38,0 73,16 98,41 25,25 41,60 41,98l0 637c0,38 -16,73 -41,98 -25,25 -60,41 -98,41l-722 0c-38,0 -73,-16 -98,-41 -25,-25 -41,-60 -41,-98l0 -637c0,-38 16,-73 41,-98 25,-25 60,-41 98,-41zm722 40l-722 0c-27,0 -52,11 -70,29 -18,18 -29,43 -29,70l0 637c0,27 11,52 29,70 18,18 43,29 70,29l722 0c27,0 52,-11 70,-29 18,-18 29,-43 29,-70l0 -637c0,-27 -11,-52 -29,-70 -18,-18 -43,-29 -70,-29z"/><polygon fill="#F7D56E" points="169,542 749,710 834,375 383,208 "/><path fill="#B08A15" d="M188 535l553 160 79 -312 -433 -161 -199 313zm558 186l-595 -172 227 -355 470 174 -90 356 -12 -3z"/><circle fill="#000000" cx="383" cy="208" r="49"/><circle fill="#000000" cx="169" cy="542" r="49"/><circle fill="#000000" cx="834" cy="375" r="49"/><circle fill="#000000" cx="749" cy="710" r="49"/></g></svg>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/js/OLMapWidget.js b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/js/OLMapWidget.js
new file mode 100644
index 00000000..b7503274
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/static/gis/js/OLMapWidget.js
@@ -0,0 +1,238 @@
+/* global ol */
+'use strict';
+class GeometryTypeControl extends ol.control.Control {
+    // Map control to switch type when geometry type is unknown
+    constructor(opt_options) {
+        const options = opt_options || {};
+
+        const element = document.createElement('div');
+        element.className = 'switch-type type-' + options.type + ' ol-control ol-unselectable';
+        if (options.active) {
+            element.classList.add("type-active");
+        }
+
+        super({
+            element: element,
+            target: options.target
+        });
+        const self = this;
+        const switchType = function(e) {
+            e.preventDefault();
+            if (options.widget.currentGeometryType !== self) {
+                options.widget.map.removeInteraction(options.widget.interactions.draw);
+                options.widget.interactions.draw = new ol.interaction.Draw({
+                    features: options.widget.featureCollection,
+                    type: options.type
+                });
+                options.widget.map.addInteraction(options.widget.interactions.draw);
+                options.widget.currentGeometryType.element.classList.remove('type-active');
+                options.widget.currentGeometryType = self;
+                element.classList.add("type-active");
+            }
+        };
+
+        element.addEventListener('click', switchType, false);
+        element.addEventListener('touchstart', switchType, false);
+    }
+}
+
+// TODO: allow deleting individual features (#8972)
+class MapWidget {
+    constructor(options) {
+        this.map = null;
+        this.interactions = {draw: null, modify: null};
+        this.typeChoices = false;
+        this.ready = false;
+
+        // Default options
+        this.options = {
+            default_lat: 0,
+            default_lon: 0,
+            default_zoom: 12,
+            is_collection: options.geom_name.includes('Multi') || options.geom_name.includes('Collection')
+        };
+
+        // Altering using user-provided options
+        for (const property in options) {
+            if (options.hasOwnProperty(property)) {
+                this.options[property] = options[property];
+            }
+        }
+        if (!options.base_layer) {
+            this.options.base_layer = new ol.layer.Tile({source: new ol.source.OSM()});
+        }
+
+        // RemovedInDjango51Warning: when the deprecation ends, remove setting
+        // width/height (3 lines below).
+        const mapContainer = document.getElementById(this.options.map_id);
+        mapContainer.style.width = `${mapContainer.dataset.width}px`;
+        mapContainer.style.height = `${mapContainer.dataset.height}px`;
+        this.map = this.createMap();
+        this.featureCollection = new ol.Collection();
+        this.featureOverlay = new ol.layer.Vector({
+            map: this.map,
+            source: new ol.source.Vector({
+                features: this.featureCollection,
+                useSpatialIndex: false // improve performance
+            }),
+            updateWhileAnimating: true, // optional, for instant visual feedback
+            updateWhileInteracting: true // optional, for instant visual feedback
+        });
+
+        // Populate and set handlers for the feature container
+        const self = this;
+        this.featureCollection.on('add', function(event) {
+            const feature = event.element;
+            feature.on('change', function() {
+                self.serializeFeatures();
+            });
+            if (self.ready) {
+                self.serializeFeatures();
+                if (!self.options.is_collection) {
+                    self.disableDrawing(); // Only allow one feature at a time
+                }
+            }
+        });
+
+        const initial_value = document.getElementById(this.options.id).value;
+        if (initial_value) {
+            const jsonFormat = new ol.format.GeoJSON();
+            const features = jsonFormat.readFeatures('{"type": "Feature", "geometry": ' + initial_value + '}');
+            const extent = ol.extent.createEmpty();
+            features.forEach(function(feature) {
+                this.featureOverlay.getSource().addFeature(feature);
+                ol.extent.extend(extent, feature.getGeometry().getExtent());
+            }, this);
+            // Center/zoom the map
+            this.map.getView().fit(extent, {minResolution: 1});
+        } else {
+            this.map.getView().setCenter(this.defaultCenter());
+        }
+        this.createInteractions();
+        if (initial_value && !this.options.is_collection) {
+            this.disableDrawing();
+        }
+        const clearNode = document.getElementById(this.map.getTarget()).nextElementSibling;
+        if (clearNode.classList.contains('clear_features')) {
+            clearNode.querySelector('a').addEventListener('click', (ev) => {
+                ev.preventDefault();
+                self.clearFeatures();
+            });
+        }
+        this.ready = true;
+    }
+
+    createMap() {
+        return new ol.Map({
+            target: this.options.map_id,
+            layers: [this.options.base_layer],
+            view: new ol.View({
+                zoom: this.options.default_zoom
+            })
+        });
+    }
+
+    createInteractions() {
+        // Initialize the modify interaction
+        this.interactions.modify = new ol.interaction.Modify({
+            features: this.featureCollection,
+            deleteCondition: function(event) {
+                return ol.events.condition.shiftKeyOnly(event) &&
+                    ol.events.condition.singleClick(event);
+            }
+        });
+
+        // Initialize the draw interaction
+        let geomType = this.options.geom_name;
+        if (geomType === "Geometry" || geomType === "GeometryCollection") {
+            // Default to Point, but create icons to switch type
+            geomType = "Point";
+            this.currentGeometryType = new GeometryTypeControl({widget: this, type: "Point", active: true});
+            this.map.addControl(this.currentGeometryType);
+            this.map.addControl(new GeometryTypeControl({widget: this, type: "LineString", active: false}));
+            this.map.addControl(new GeometryTypeControl({widget: this, type: "Polygon", active: false}));
+            this.typeChoices = true;
+        }
+        this.interactions.draw = new ol.interaction.Draw({
+            features: this.featureCollection,
+            type: geomType
+        });
+
+        this.map.addInteraction(this.interactions.draw);
+        this.map.addInteraction(this.interactions.modify);
+    }
+
+    defaultCenter() {
+        const center = [this.options.default_lon, this.options.default_lat];
+        if (this.options.map_srid) {
+            return ol.proj.transform(center, 'EPSG:4326', this.map.getView().getProjection());
+        }
+        return center;
+    }
+
+    enableDrawing() {
+        this.interactions.draw.setActive(true);
+        if (this.typeChoices) {
+            // Show geometry type icons
+            const divs = document.getElementsByClassName("switch-type");
+            for (let i = 0; i !== divs.length; i++) {
+                divs[i].style.visibility = "visible";
+            }
+        }
+    }
+
+    disableDrawing() {
+        if (this.interactions.draw) {
+            this.interactions.draw.setActive(false);
+            if (this.typeChoices) {
+                // Hide geometry type icons
+                const divs = document.getElementsByClassName("switch-type");
+                for (let i = 0; i !== divs.length; i++) {
+                    divs[i].style.visibility = "hidden";
+                }
+            }
+        }
+    }
+
+    clearFeatures() {
+        this.featureCollection.clear();
+        // Empty textarea widget
+        document.getElementById(this.options.id).value = '';
+        this.enableDrawing();
+    }
+
+    serializeFeatures() {
+        // Three use cases: GeometryCollection, multigeometries, and single geometry
+        let geometry = null;
+        const features = this.featureOverlay.getSource().getFeatures();
+        if (this.options.is_collection) {
+            if (this.options.geom_name === "GeometryCollection") {
+                const geometries = [];
+                for (let i = 0; i < features.length; i++) {
+                    geometries.push(features[i].getGeometry());
+                }
+                geometry = new ol.geom.GeometryCollection(geometries);
+            } else {
+                geometry = features[0].getGeometry().clone();
+                for (let j = 1; j < features.length; j++) {
+                    switch (geometry.getType()) {
+                    case "MultiPoint":
+                        geometry.appendPoint(features[j].getGeometry().getPoint(0));
+                        break;
+                    case "MultiLineString":
+                        geometry.appendLineString(features[j].getGeometry().getLineString(0));
+                        break;
+                    case "MultiPolygon":
+                        geometry.appendPolygon(features[j].getGeometry().getPolygon(0));
+                    }
+                }
+            }
+        } else {
+            if (features[0]) {
+                geometry = features[0].getGeometry();
+            }
+        }
+        const jsonFormat = new ol.format.GeoJSON();
+        document.getElementById(this.options.id).value = jsonFormat.writeGeometry(geometry);
+    }
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/kml/base.kml b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/kml/base.kml
new file mode 100644
index 00000000..374404c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/kml/base.kml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<kml xmlns="http://earth.google.com/kml/{% block kml_version %}2.1{% endblock %}">
+<Document>{% block name %}{% endblock %}
+{% block placemarks %}{% endblock %}
+</Document>
+</kml>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/kml/placemarks.kml b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/kml/placemarks.kml
new file mode 100644
index 00000000..ea2ac191
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/kml/placemarks.kml
@@ -0,0 +1,8 @@
+{% extends "gis/kml/base.kml" %}
+{% block placemarks %}{% for place in places %}
+  <Placemark>
+    <name>{% if place.name %}{{ place.name }}{% else %}{{ place }}{% endif %}</name>
+    <description>{% if place.description %}{{ place.description }}{% else %}{{ place }}{% endif %}</description>
+    {{ place.kml|safe }}
+  </Placemark>{% endfor %}{% endblock %}
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/openlayers-osm.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/openlayers-osm.html
new file mode 100644
index 00000000..88b1c8c2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/openlayers-osm.html
@@ -0,0 +1,12 @@
+{% extends "gis/openlayers.html" %}
+{% load l10n %}
+
+{% block options %}{{ block.super }}
+options['default_lon'] = {{ default_lon|unlocalize }};
+options['default_lat'] = {{ default_lat|unlocalize }};
+options['default_zoom'] = {{ default_zoom|unlocalize }};
+{% endblock %}
+
+{% block base_layer %}
+var base_layer = new ol.layer.Tile({source: new ol.source.OSM()});
+{% endblock %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/openlayers.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/openlayers.html
new file mode 100644
index 00000000..2849813c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/templates/gis/openlayers.html
@@ -0,0 +1,33 @@
+{% load i18n l10n %}
+
+<div id="{{ id }}_div_map" class="dj_map_wrapper">
+    {# RemovedInDjango51Warning: when the deprecation ends, remove data-width and data-height attributes. #}
+    <div id="{{ id }}_map" class="dj_map" data-width="{{ map_width }}" data-height="{{ map_height }}"></div>
+    {% if not disabled %}<span class="clear_features"><a href="">{% translate "Delete all Features" %}</a></span>{% endif %}
+    {% if display_raw %}<p>{% translate "Debugging window (serialized value)" %}</p>{% endif %}
+    <textarea id="{{ id }}" class="vSerializedField required" cols="150" rows="10" name="{{ name }}"
+              {% if not display_raw %} hidden{% endif %}>{{ serialized }}</textarea>
+    <script>
+        {% block base_layer %}
+            var base_layer = new ol.layer.Tile({
+                source: new ol.source.XYZ({
+                    attributions: "NASA Worldview",
+                    maxZoom: 8,
+                    url: "https://map1{a-c}.vis.earthdata.nasa.gov/wmts-webmerc/" +
+                         "BlueMarble_ShadedRelief_Bathymetry/default/%7BTime%7D/" +
+                         "GoogleMapsCompatible_Level8/{z}/{y}/{x}.jpg"
+                })
+            });
+        {% endblock %}
+        {% block options %}var options = {
+            base_layer: base_layer,
+            geom_name: '{{ geom_type }}',
+            id: '{{ id }}',
+            map_id: '{{ id }}_map',
+            map_srid: {{ map_srid|unlocalize }},
+            name: '{{ name }}'
+        };
+        {% endblock %}
+        var {{ module }} = new MapWidget(options);
+    </script>
+</div>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/__init__.py
new file mode 100644
index 00000000..f42fa902
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/__init__.py
@@ -0,0 +1,25 @@
+"""
+ This module contains useful utilities for GeoDjango.
+"""
+
+from django.contrib.gis.utils.ogrinfo import ogrinfo
+from django.contrib.gis.utils.ogrinspect import mapping, ogrinspect
+from django.contrib.gis.utils.srs import add_srs_entry
+from django.core.exceptions import ImproperlyConfigured
+
+__all__ = [
+    "add_srs_entry",
+    "mapping",
+    "ogrinfo",
+    "ogrinspect",
+]
+
+try:
+    # LayerMapping requires DJANGO_SETTINGS_MODULE to be set,
+    # and ImproperlyConfigured is raised if that's not the case.
+    from django.contrib.gis.utils.layermapping import LayerMapError, LayerMapping
+
+    __all__ += ["LayerMapError", "LayerMapping"]
+
+except ImproperlyConfigured:
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/__pycache__/srs.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/__pycache__/srs.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/layermapping.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/layermapping.py
new file mode 100644
index 00000000..2dcf8396
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/layermapping.py
@@ -0,0 +1,724 @@
+# LayerMapping -- A Django Model/OGR Layer Mapping Utility
+"""
+ The LayerMapping class provides a way to map the contents of OGR
+ vector files (e.g. SHP files) to Geographic-enabled Django models.
+
+ For more information, please consult the GeoDjango documentation:
+   https://docs.djangoproject.com/en/dev/ref/contrib/gis/layermapping/
+"""
+import sys
+from decimal import Decimal
+from decimal import InvalidOperation as DecimalInvalidOperation
+from pathlib import Path
+
+from django.contrib.gis.db.models import GeometryField
+from django.contrib.gis.gdal import (
+    CoordTransform,
+    DataSource,
+    GDALException,
+    OGRGeometry,
+    OGRGeomType,
+    SpatialReference,
+)
+from django.contrib.gis.gdal.field import (
+    OFTDate,
+    OFTDateTime,
+    OFTInteger,
+    OFTInteger64,
+    OFTReal,
+    OFTString,
+    OFTTime,
+)
+from django.core.exceptions import FieldDoesNotExist, ObjectDoesNotExist
+from django.db import connections, models, router, transaction
+from django.utils.encoding import force_str
+
+
+# LayerMapping exceptions.
+class LayerMapError(Exception):
+    pass
+
+
+class InvalidString(LayerMapError):
+    pass
+
+
+class InvalidDecimal(LayerMapError):
+    pass
+
+
+class InvalidInteger(LayerMapError):
+    pass
+
+
+class MissingForeignKey(LayerMapError):
+    pass
+
+
+class LayerMapping:
+    "A class that maps OGR Layers to GeoDjango Models."
+
+    # Acceptable 'base' types for a multi-geometry type.
+    MULTI_TYPES = {
+        1: OGRGeomType("MultiPoint"),
+        2: OGRGeomType("MultiLineString"),
+        3: OGRGeomType("MultiPolygon"),
+        OGRGeomType("Point25D").num: OGRGeomType("MultiPoint25D"),
+        OGRGeomType("LineString25D").num: OGRGeomType("MultiLineString25D"),
+        OGRGeomType("Polygon25D").num: OGRGeomType("MultiPolygon25D"),
+    }
+    # Acceptable Django field types and corresponding acceptable OGR
+    # counterparts.
+    FIELD_TYPES = {
+        models.AutoField: OFTInteger,
+        models.BigAutoField: OFTInteger64,
+        models.SmallAutoField: OFTInteger,
+        models.BooleanField: (OFTInteger, OFTReal, OFTString),
+        models.IntegerField: (OFTInteger, OFTReal, OFTString),
+        models.FloatField: (OFTInteger, OFTReal),
+        models.DateField: OFTDate,
+        models.DateTimeField: OFTDateTime,
+        models.EmailField: OFTString,
+        models.TimeField: OFTTime,
+        models.DecimalField: (OFTInteger, OFTReal),
+        models.CharField: OFTString,
+        models.SlugField: OFTString,
+        models.TextField: OFTString,
+        models.URLField: OFTString,
+        models.UUIDField: OFTString,
+        models.BigIntegerField: (OFTInteger, OFTReal, OFTString),
+        models.SmallIntegerField: (OFTInteger, OFTReal, OFTString),
+        models.PositiveBigIntegerField: (OFTInteger, OFTReal, OFTString),
+        models.PositiveIntegerField: (OFTInteger, OFTReal, OFTString),
+        models.PositiveSmallIntegerField: (OFTInteger, OFTReal, OFTString),
+    }
+
+    def __init__(
+        self,
+        model,
+        data,
+        mapping,
+        layer=0,
+        source_srs=None,
+        encoding="utf-8",
+        transaction_mode="commit_on_success",
+        transform=True,
+        unique=None,
+        using=None,
+    ):
+        """
+        A LayerMapping object is initialized using the given Model (not an instance),
+        a DataSource (or string path to an OGR-supported data file), and a mapping
+        dictionary.  See the module level docstring for more details and keyword
+        argument usage.
+        """
+        # Getting the DataSource and the associated Layer.
+        if isinstance(data, (str, Path)):
+            self.ds = DataSource(data, encoding=encoding)
+        else:
+            self.ds = data
+        self.layer = self.ds[layer]
+
+        self.using = using if using is not None else router.db_for_write(model)
+        connection = connections[self.using]
+        self.spatial_backend = connection.ops
+
+        # Setting the mapping & model attributes.
+        self.mapping = mapping
+        self.model = model
+
+        # Checking the layer -- initialization of the object will fail if
+        # things don't check out before hand.
+        self.check_layer()
+
+        # Getting the geometry column associated with the model (an
+        # exception will be raised if there is no geometry column).
+        if connection.features.supports_transform:
+            self.geo_field = self.geometry_field()
+        else:
+            transform = False
+
+        # Checking the source spatial reference system, and getting
+        # the coordinate transformation object (unless the `transform`
+        # keyword is set to False)
+        if transform:
+            self.source_srs = self.check_srs(source_srs)
+            self.transform = self.coord_transform()
+        else:
+            self.transform = transform
+
+        # Setting the encoding for OFTString fields, if specified.
+        if encoding:
+            # Making sure the encoding exists, if not a LookupError
+            # exception will be thrown.
+            from codecs import lookup
+
+            lookup(encoding)
+            self.encoding = encoding
+        else:
+            self.encoding = None
+
+        if unique:
+            self.check_unique(unique)
+            transaction_mode = "autocommit"  # Has to be set to autocommit.
+            self.unique = unique
+        else:
+            self.unique = None
+
+        # Setting the transaction decorator with the function in the
+        # transaction modes dictionary.
+        self.transaction_mode = transaction_mode
+        if transaction_mode == "autocommit":
+            self.transaction_decorator = None
+        elif transaction_mode == "commit_on_success":
+            self.transaction_decorator = transaction.atomic
+        else:
+            raise LayerMapError("Unrecognized transaction mode: %s" % transaction_mode)
+
+    # #### Checking routines used during initialization ####
+    def check_fid_range(self, fid_range):
+        "Check the `fid_range` keyword."
+        if fid_range:
+            if isinstance(fid_range, (tuple, list)):
+                return slice(*fid_range)
+            elif isinstance(fid_range, slice):
+                return fid_range
+            else:
+                raise TypeError
+        else:
+            return None
+
+    def check_layer(self):
+        """
+        Check the Layer metadata and ensure that it's compatible with the
+        mapping information and model. Unlike previous revisions, there is no
+        need to increment through each feature in the Layer.
+        """
+        # The geometry field of the model is set here.
+        # TODO: Support more than one geometry field / model.  However, this
+        # depends on the GDAL Driver in use.
+        self.geom_field = False
+        self.fields = {}
+
+        # Getting lists of the field names and the field types available in
+        # the OGR Layer.
+        ogr_fields = self.layer.fields
+        ogr_field_types = self.layer.field_types
+
+        # Function for determining if the OGR mapping field is in the Layer.
+        def check_ogr_fld(ogr_map_fld):
+            try:
+                idx = ogr_fields.index(ogr_map_fld)
+            except ValueError:
+                raise LayerMapError(
+                    'Given mapping OGR field "%s" not found in OGR Layer.' % ogr_map_fld
+                )
+            return idx
+
+        # No need to increment through each feature in the model, simply check
+        # the Layer metadata against what was given in the mapping dictionary.
+        for field_name, ogr_name in self.mapping.items():
+            # Ensuring that a corresponding field exists in the model
+            # for the given field name in the mapping.
+            try:
+                model_field = self.model._meta.get_field(field_name)
+            except FieldDoesNotExist:
+                raise LayerMapError(
+                    'Given mapping field "%s" not in given Model fields.' % field_name
+                )
+
+            # Getting the string name for the Django field class (e.g., 'PointField').
+            fld_name = model_field.__class__.__name__
+
+            if isinstance(model_field, GeometryField):
+                if self.geom_field:
+                    raise LayerMapError(
+                        "LayerMapping does not support more than one GeometryField per "
+                        "model."
+                    )
+
+                # Getting the coordinate dimension of the geometry field.
+                coord_dim = model_field.dim
+
+                try:
+                    if coord_dim == 3:
+                        gtype = OGRGeomType(ogr_name + "25D")
+                    else:
+                        gtype = OGRGeomType(ogr_name)
+                except GDALException:
+                    raise LayerMapError(
+                        'Invalid mapping for GeometryField "%s".' % field_name
+                    )
+
+                # Making sure that the OGR Layer's Geometry is compatible.
+                ltype = self.layer.geom_type
+                if not (
+                    ltype.name.startswith(gtype.name)
+                    or self.make_multi(ltype, model_field)
+                ):
+                    raise LayerMapError(
+                        "Invalid mapping geometry; model has %s%s, "
+                        "layer geometry type is %s."
+                        % (fld_name, "(dim=3)" if coord_dim == 3 else "", ltype)
+                    )
+
+                # Setting the `geom_field` attribute w/the name of the model field
+                # that is a Geometry.  Also setting the coordinate dimension
+                # attribute.
+                self.geom_field = field_name
+                self.coord_dim = coord_dim
+                fields_val = model_field
+            elif isinstance(model_field, models.ForeignKey):
+                if isinstance(ogr_name, dict):
+                    # Is every given related model mapping field in the Layer?
+                    rel_model = model_field.remote_field.model
+                    for rel_name, ogr_field in ogr_name.items():
+                        idx = check_ogr_fld(ogr_field)
+                        try:
+                            rel_model._meta.get_field(rel_name)
+                        except FieldDoesNotExist:
+                            raise LayerMapError(
+                                'ForeignKey mapping field "%s" not in %s fields.'
+                                % (rel_name, rel_model.__class__.__name__)
+                            )
+                    fields_val = rel_model
+                else:
+                    raise TypeError("ForeignKey mapping must be of dictionary type.")
+            else:
+                # Is the model field type supported by LayerMapping?
+                if model_field.__class__ not in self.FIELD_TYPES:
+                    raise LayerMapError(
+                        'Django field type "%s" has no OGR mapping (yet).' % fld_name
+                    )
+
+                # Is the OGR field in the Layer?
+                idx = check_ogr_fld(ogr_name)
+                ogr_field = ogr_field_types[idx]
+
+                # Can the OGR field type be mapped to the Django field type?
+                if not issubclass(ogr_field, self.FIELD_TYPES[model_field.__class__]):
+                    raise LayerMapError(
+                        'OGR field "%s" (of type %s) cannot be mapped to Django %s.'
+                        % (ogr_field, ogr_field.__name__, fld_name)
+                    )
+                fields_val = model_field
+
+            self.fields[field_name] = fields_val
+
+    def check_srs(self, source_srs):
+        "Check the compatibility of the given spatial reference object."
+
+        if isinstance(source_srs, SpatialReference):
+            sr = source_srs
+        elif isinstance(source_srs, self.spatial_backend.spatial_ref_sys()):
+            sr = source_srs.srs
+        elif isinstance(source_srs, (int, str)):
+            sr = SpatialReference(source_srs)
+        else:
+            # Otherwise just pulling the SpatialReference from the layer
+            sr = self.layer.srs
+
+        if not sr:
+            raise LayerMapError("No source reference system defined.")
+        else:
+            return sr
+
+    def check_unique(self, unique):
+        "Check the `unique` keyword parameter -- may be a sequence or string."
+        if isinstance(unique, (list, tuple)):
+            # List of fields to determine uniqueness with
+            for attr in unique:
+                if attr not in self.mapping:
+                    raise ValueError
+        elif isinstance(unique, str):
+            # Only a single field passed in.
+            if unique not in self.mapping:
+                raise ValueError
+        else:
+            raise TypeError(
+                "Unique keyword argument must be set with a tuple, list, or string."
+            )
+
+    # Keyword argument retrieval routines ####
+    def feature_kwargs(self, feat):
+        """
+        Given an OGR Feature, return a dictionary of keyword arguments for
+        constructing the mapped model.
+        """
+        # The keyword arguments for model construction.
+        kwargs = {}
+
+        # Incrementing through each model field and OGR field in the
+        # dictionary mapping.
+        for field_name, ogr_name in self.mapping.items():
+            model_field = self.fields[field_name]
+
+            if isinstance(model_field, GeometryField):
+                # Verify OGR geometry.
+                try:
+                    val = self.verify_geom(feat.geom, model_field)
+                except GDALException:
+                    raise LayerMapError("Could not retrieve geometry from feature.")
+            elif isinstance(model_field, models.base.ModelBase):
+                # The related _model_, not a field was passed in -- indicating
+                # another mapping for the related Model.
+                val = self.verify_fk(feat, model_field, ogr_name)
+            else:
+                # Otherwise, verify OGR Field type.
+                val = self.verify_ogr_field(feat[ogr_name], model_field)
+
+            # Setting the keyword arguments for the field name with the
+            # value obtained above.
+            kwargs[field_name] = val
+
+        return kwargs
+
+    def unique_kwargs(self, kwargs):
+        """
+        Given the feature keyword arguments (from `feature_kwargs`), construct
+        and return the uniqueness keyword arguments -- a subset of the feature
+        kwargs.
+        """
+        if isinstance(self.unique, str):
+            return {self.unique: kwargs[self.unique]}
+        else:
+            return {fld: kwargs[fld] for fld in self.unique}
+
+    # #### Verification routines used in constructing model keyword arguments. ####
+    def verify_ogr_field(self, ogr_field, model_field):
+        """
+        Verify if the OGR Field contents are acceptable to the model field. If
+        they are, return the verified value, otherwise raise an exception.
+        """
+        if isinstance(ogr_field, OFTString) and isinstance(
+            model_field, (models.CharField, models.TextField)
+        ):
+            if self.encoding and ogr_field.value is not None:
+                # The encoding for OGR data sources may be specified here
+                # (e.g., 'cp437' for Census Bureau boundary files).
+                val = force_str(ogr_field.value, self.encoding)
+            else:
+                val = ogr_field.value
+            if (
+                model_field.max_length
+                and val is not None
+                and len(val) > model_field.max_length
+            ):
+                raise InvalidString(
+                    "%s model field maximum string length is %s, given %s characters."
+                    % (model_field.name, model_field.max_length, len(val))
+                )
+        elif isinstance(ogr_field, OFTReal) and isinstance(
+            model_field, models.DecimalField
+        ):
+            try:
+                # Creating an instance of the Decimal value to use.
+                d = Decimal(str(ogr_field.value))
+            except DecimalInvalidOperation:
+                raise InvalidDecimal(
+                    "Could not construct decimal from: %s" % ogr_field.value
+                )
+
+            # Getting the decimal value as a tuple.
+            dtup = d.as_tuple()
+            digits = dtup[1]
+            d_idx = dtup[2]  # index where the decimal is
+
+            # Maximum amount of precision, or digits to the left of the decimal.
+            max_prec = model_field.max_digits - model_field.decimal_places
+
+            # Getting the digits to the left of the decimal place for the
+            # given decimal.
+            if d_idx < 0:
+                n_prec = len(digits[:d_idx])
+            else:
+                n_prec = len(digits) + d_idx
+
+            # If we have more than the maximum digits allowed, then throw an
+            # InvalidDecimal exception.
+            if n_prec > max_prec:
+                raise InvalidDecimal(
+                    "A DecimalField with max_digits %d, decimal_places %d must "
+                    "round to an absolute value less than 10^%d."
+                    % (model_field.max_digits, model_field.decimal_places, max_prec)
+                )
+            val = d
+        elif isinstance(ogr_field, (OFTReal, OFTString)) and isinstance(
+            model_field, models.IntegerField
+        ):
+            # Attempt to convert any OFTReal and OFTString value to an OFTInteger.
+            try:
+                val = int(ogr_field.value)
+            except ValueError:
+                raise InvalidInteger(
+                    "Could not construct integer from: %s" % ogr_field.value
+                )
+        else:
+            val = ogr_field.value
+        return val
+
+    def verify_fk(self, feat, rel_model, rel_mapping):
+        """
+        Given an OGR Feature, the related model and its dictionary mapping,
+        retrieve the related model for the ForeignKey mapping.
+        """
+        # TODO: It is expensive to retrieve a model for every record --
+        #  explore if an efficient mechanism exists for caching related
+        #  ForeignKey models.
+
+        # Constructing and verifying the related model keyword arguments.
+        fk_kwargs = {}
+        for field_name, ogr_name in rel_mapping.items():
+            fk_kwargs[field_name] = self.verify_ogr_field(
+                feat[ogr_name], rel_model._meta.get_field(field_name)
+            )
+
+        # Attempting to retrieve and return the related model.
+        try:
+            return rel_model.objects.using(self.using).get(**fk_kwargs)
+        except ObjectDoesNotExist:
+            raise MissingForeignKey(
+                "No ForeignKey %s model found with keyword arguments: %s"
+                % (rel_model.__name__, fk_kwargs)
+            )
+
+    def verify_geom(self, geom, model_field):
+        """
+        Verify the geometry -- construct and return a GeometryCollection
+        if necessary (for example if the model field is MultiPolygonField while
+        the mapped shapefile only contains Polygons).
+        """
+        # Downgrade a 3D geom to a 2D one, if necessary.
+        if self.coord_dim != geom.coord_dim:
+            geom.coord_dim = self.coord_dim
+
+        if self.make_multi(geom.geom_type, model_field):
+            # Constructing a multi-geometry type to contain the single geometry
+            multi_type = self.MULTI_TYPES[geom.geom_type.num]
+            g = OGRGeometry(multi_type)
+            g.add(geom)
+        else:
+            g = geom
+
+        # Transforming the geometry with our Coordinate Transformation object,
+        # but only if the class variable `transform` is set w/a CoordTransform
+        # object.
+        if self.transform:
+            g.transform(self.transform)
+
+        # Returning the WKT of the geometry.
+        return g.wkt
+
+    # #### Other model methods ####
+    def coord_transform(self):
+        "Return the coordinate transformation object."
+        SpatialRefSys = self.spatial_backend.spatial_ref_sys()
+        try:
+            # Getting the target spatial reference system
+            target_srs = (
+                SpatialRefSys.objects.using(self.using)
+                .get(srid=self.geo_field.srid)
+                .srs
+            )
+
+            # Creating the CoordTransform object
+            return CoordTransform(self.source_srs, target_srs)
+        except Exception as exc:
+            raise LayerMapError(
+                "Could not translate between the data source and model geometry."
+            ) from exc
+
+    def geometry_field(self):
+        "Return the GeometryField instance associated with the geographic column."
+        # Use `get_field()` on the model's options so that we
+        # get the correct field instance if there's model inheritance.
+        opts = self.model._meta
+        return opts.get_field(self.geom_field)
+
+    def make_multi(self, geom_type, model_field):
+        """
+        Given the OGRGeomType for a geometry and its associated GeometryField,
+        determine whether the geometry should be turned into a GeometryCollection.
+        """
+        return (
+            geom_type.num in self.MULTI_TYPES
+            and model_field.__class__.__name__ == "Multi%s" % geom_type.django
+        )
+
+    def save(
+        self,
+        verbose=False,
+        fid_range=False,
+        step=False,
+        progress=False,
+        silent=False,
+        stream=sys.stdout,
+        strict=False,
+    ):
+        """
+        Save the contents from the OGR DataSource Layer into the database
+        according to the mapping dictionary given at initialization.
+
+        Keyword Parameters:
+         verbose:
+           If set, information will be printed subsequent to each model save
+           executed on the database.
+
+         fid_range:
+           May be set with a slice or tuple of (begin, end) feature ID's to map
+           from the data source.  In other words, this keyword enables the user
+           to selectively import a subset range of features in the geographic
+           data source.
+
+         step:
+           If set with an integer, transactions will occur at every step
+           interval. For example, if step=1000, a commit would occur after
+           the 1,000th feature, the 2,000th feature etc.
+
+         progress:
+           When this keyword is set, status information will be printed giving
+           the number of features processed and successfully saved.  By default,
+           progress information will pe printed every 1000 features processed,
+           however, this default may be overridden by setting this keyword with an
+           integer for the desired interval.
+
+         stream:
+           Status information will be written to this file handle.  Defaults to
+           using `sys.stdout`, but any object with a `write` method is supported.
+
+         silent:
+           By default, non-fatal error notifications are printed to stdout, but
+           this keyword may be set to disable these notifications.
+
+         strict:
+           Execution of the model mapping will cease upon the first error
+           encountered.  The default behavior is to attempt to continue.
+        """
+        # Getting the default Feature ID range.
+        default_range = self.check_fid_range(fid_range)
+
+        # Setting the progress interval, if requested.
+        if progress:
+            if progress is True or not isinstance(progress, int):
+                progress_interval = 1000
+            else:
+                progress_interval = progress
+
+        def _save(feat_range=default_range, num_feat=0, num_saved=0):
+            if feat_range:
+                layer_iter = self.layer[feat_range]
+            else:
+                layer_iter = self.layer
+
+            for feat in layer_iter:
+                num_feat += 1
+                # Getting the keyword arguments
+                try:
+                    kwargs = self.feature_kwargs(feat)
+                except LayerMapError as msg:
+                    # Something borked the validation
+                    if strict:
+                        raise
+                    elif not silent:
+                        stream.write(
+                            "Ignoring Feature ID %s because: %s\n" % (feat.fid, msg)
+                        )
+                else:
+                    # Constructing the model using the keyword args
+                    is_update = False
+                    if self.unique:
+                        # If we want unique models on a particular field, handle the
+                        # geometry appropriately.
+                        try:
+                            # Getting the keyword arguments and retrieving
+                            # the unique model.
+                            u_kwargs = self.unique_kwargs(kwargs)
+                            m = self.model.objects.using(self.using).get(**u_kwargs)
+                            is_update = True
+
+                            # Getting the geometry (in OGR form), creating
+                            # one from the kwargs WKT, adding in additional
+                            # geometries, and update the attribute with the
+                            # just-updated geometry WKT.
+                            geom_value = getattr(m, self.geom_field)
+                            if geom_value is None:
+                                geom = OGRGeometry(kwargs[self.geom_field])
+                            else:
+                                geom = geom_value.ogr
+                                new = OGRGeometry(kwargs[self.geom_field])
+                                for g in new:
+                                    geom.add(g)
+                            setattr(m, self.geom_field, geom.wkt)
+                        except ObjectDoesNotExist:
+                            # No unique model exists yet, create.
+                            m = self.model(**kwargs)
+                    else:
+                        m = self.model(**kwargs)
+
+                    try:
+                        # Attempting to save.
+                        m.save(using=self.using)
+                        num_saved += 1
+                        if verbose:
+                            stream.write(
+                                "%s: %s\n" % ("Updated" if is_update else "Saved", m)
+                            )
+                    except Exception as msg:
+                        if strict:
+                            # Bailing out if the `strict` keyword is set.
+                            if not silent:
+                                stream.write(
+                                    "Failed to save the feature (id: %s) into the "
+                                    "model with the keyword arguments:\n" % feat.fid
+                                )
+                                stream.write("%s\n" % kwargs)
+                            raise
+                        elif not silent:
+                            stream.write(
+                                "Failed to save %s:\n %s\nContinuing\n" % (kwargs, msg)
+                            )
+
+                # Printing progress information, if requested.
+                if progress and num_feat % progress_interval == 0:
+                    stream.write(
+                        "Processed %d features, saved %d ...\n" % (num_feat, num_saved)
+                    )
+
+            # Only used for status output purposes -- incremental saving uses the
+            # values returned here.
+            return num_saved, num_feat
+
+        if self.transaction_decorator is not None:
+            _save = self.transaction_decorator(_save)
+
+        nfeat = self.layer.num_feat
+        if step and isinstance(step, int) and step < nfeat:
+            # Incremental saving is requested at the given interval (step)
+            if default_range:
+                raise LayerMapError(
+                    "The `step` keyword may not be used in conjunction with the "
+                    "`fid_range` keyword."
+                )
+            beg, num_feat, num_saved = (0, 0, 0)
+            indices = range(step, nfeat, step)
+            n_i = len(indices)
+
+            for i, end in enumerate(indices):
+                # Constructing the slice to use for this step; the last slice is
+                # special (e.g, [100:] instead of [90:100]).
+                if i + 1 == n_i:
+                    step_slice = slice(beg, None)
+                else:
+                    step_slice = slice(beg, end)
+
+                try:
+                    num_feat, num_saved = _save(step_slice, num_feat, num_saved)
+                    beg = end
+                except Exception:  # Deliberately catch everything
+                    stream.write(
+                        "%s\nFailed to save slice: %s\n" % ("=-" * 20, step_slice)
+                    )
+                    raise
+        else:
+            # Otherwise, just calling the previously defined _save() function.
+            _save()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/ogrinfo.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/ogrinfo.py
new file mode 100644
index 00000000..eafa23cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/ogrinfo.py
@@ -0,0 +1,53 @@
+"""
+This module includes some utility functions for inspecting the layout
+of a GDAL data source -- the functionality is analogous to the output
+produced by the `ogrinfo` utility.
+"""
+
+from django.contrib.gis.gdal import DataSource
+from django.contrib.gis.gdal.geometries import GEO_CLASSES
+
+
+def ogrinfo(data_source, num_features=10):
+    """
+    Walk the available layers in the supplied `data_source`, displaying
+    the fields for the first `num_features` features.
+    """
+
+    # Checking the parameters.
+    if isinstance(data_source, str):
+        data_source = DataSource(data_source)
+    elif isinstance(data_source, DataSource):
+        pass
+    else:
+        raise Exception(
+            "Data source parameter must be a string or a DataSource object."
+        )
+
+    for i, layer in enumerate(data_source):
+        print("data source : %s" % data_source.name)
+        print("==== layer %s" % i)
+        print("  shape type: %s" % GEO_CLASSES[layer.geom_type.num].__name__)
+        print("  # features: %s" % len(layer))
+        print("         srs: %s" % layer.srs)
+        extent_tup = layer.extent.tuple
+        print("      extent: %s - %s" % (extent_tup[0:2], extent_tup[2:4]))
+        print("Displaying the first %s features ====" % num_features)
+
+        width = max(*map(len, layer.fields))
+        fmt = " %%%ss: %%s" % width
+        for j, feature in enumerate(layer[:num_features]):
+            print("=== Feature %s" % j)
+            for fld_name in layer.fields:
+                type_name = feature[fld_name].type_name
+                output = fmt % (fld_name, type_name)
+                val = feature.get(fld_name)
+                if val:
+                    if isinstance(val, str):
+                        val_fmt = ' ("%s")'
+                    else:
+                        val_fmt = " (%s)"
+                    output += val_fmt % val
+                else:
+                    output += " (None)"
+                print(output)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/ogrinspect.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/ogrinspect.py
new file mode 100644
index 00000000..76c8bfbc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/ogrinspect.py
@@ -0,0 +1,268 @@
+"""
+This module is for inspecting OGR data sources and generating either
+models for GeoDjango and/or mapping dictionaries for use with the
+`LayerMapping` utility.
+"""
+
+from django.contrib.gis.gdal import DataSource
+from django.contrib.gis.gdal.field import (
+    OFTDate,
+    OFTDateTime,
+    OFTInteger,
+    OFTInteger64,
+    OFTReal,
+    OFTString,
+    OFTTime,
+)
+
+
+def mapping(data_source, geom_name="geom", layer_key=0, multi_geom=False):
+    """
+    Given a DataSource, generate a dictionary that may be used
+    for invoking the LayerMapping utility.
+
+    Keyword Arguments:
+     `geom_name` => The name of the geometry field to use for the model.
+
+     `layer_key` => The key for specifying which layer in the DataSource to use;
+       defaults to 0 (the first layer).  May be an integer index or a string
+       identifier for the layer.
+
+     `multi_geom` => Boolean (default: False) - specify as multigeometry.
+    """
+    if isinstance(data_source, str):
+        # Instantiating the DataSource from the string.
+        data_source = DataSource(data_source)
+    elif isinstance(data_source, DataSource):
+        pass
+    else:
+        raise TypeError(
+            "Data source parameter must be a string or a DataSource object."
+        )
+
+    # Creating the dictionary.
+    _mapping = {}
+
+    # Generating the field name for each field in the layer.
+    for field in data_source[layer_key].fields:
+        mfield = field.lower()
+        if mfield[-1:] == "_":
+            mfield += "field"
+        _mapping[mfield] = field
+    gtype = data_source[layer_key].geom_type
+    if multi_geom:
+        gtype.to_multi()
+    _mapping[geom_name] = str(gtype).upper()
+    return _mapping
+
+
+def ogrinspect(*args, **kwargs):
+    """
+    Given a data source (either a string or a DataSource object) and a string
+    model name this function will generate a GeoDjango model.
+
+    Usage:
+
+    >>> from django.contrib.gis.utils import ogrinspect
+    >>> ogrinspect('/path/to/shapefile.shp','NewModel')
+
+    ...will print model definition to stout
+
+    or put this in a Python script and use to redirect the output to a new
+    model like:
+
+    $ python generate_model.py > myapp/models.py
+
+    # generate_model.py
+    from django.contrib.gis.utils import ogrinspect
+    shp_file = 'data/mapping_hacks/world_borders.shp'
+    model_name = 'WorldBorders'
+
+    print(ogrinspect(shp_file, model_name, multi_geom=True, srid=4326,
+                     geom_name='shapes', blank=True))
+
+    Required Arguments
+     `datasource` => string or DataSource object to file pointer
+
+     `model name` => string of name of new model class to create
+
+    Optional Keyword Arguments
+     `geom_name` => For specifying the model name for the Geometry Field.
+       Otherwise will default to `geom`
+
+     `layer_key` => The key for specifying which layer in the DataSource to use;
+       defaults to 0 (the first layer).  May be an integer index or a string
+       identifier for the layer.
+
+     `srid` => The SRID to use for the Geometry Field.  If it can be determined,
+       the SRID of the datasource is used.
+
+     `multi_geom` => Boolean (default: False) - specify as multigeometry.
+
+     `name_field` => String - specifies a field name to return for the
+       __str__() method (which will be generated if specified).
+
+     `imports` => Boolean (default: True) - set to False to omit the
+       `from django.contrib.gis.db import models` code from the
+       autogenerated models thus avoiding duplicated imports when building
+       more than one model by batching ogrinspect()
+
+     `decimal` => Boolean or sequence (default: False).  When set to True
+       all generated model fields corresponding to the `OFTReal` type will
+       be `DecimalField` instead of `FloatField`.  A sequence of specific
+       field names to generate as `DecimalField` may also be used.
+
+     `blank` => Boolean or sequence (default: False).  When set to True all
+       generated model fields will have `blank=True`.  If the user wants to
+       give specific fields to have blank, then a list/tuple of OGR field
+       names may be used.
+
+     `null` => Boolean (default: False) - When set to True all generated
+       model fields will have `null=True`.  If the user wants to specify
+       give specific fields to have null, then a list/tuple of OGR field
+       names may be used.
+
+    Note: Call the _ogrinspect() helper to do the heavy lifting.
+    """
+    return "\n".join(_ogrinspect(*args, **kwargs))
+
+
+def _ogrinspect(
+    data_source,
+    model_name,
+    geom_name="geom",
+    layer_key=0,
+    srid=None,
+    multi_geom=False,
+    name_field=None,
+    imports=True,
+    decimal=False,
+    blank=False,
+    null=False,
+):
+    """
+    Helper routine for `ogrinspect` that generates GeoDjango models corresponding
+    to the given data source.  See the `ogrinspect` docstring for more details.
+    """
+    # Getting the DataSource
+    if isinstance(data_source, str):
+        data_source = DataSource(data_source)
+    elif isinstance(data_source, DataSource):
+        pass
+    else:
+        raise TypeError(
+            "Data source parameter must be a string or a DataSource object."
+        )
+
+    # Getting the layer corresponding to the layer key and getting
+    # a string listing of all OGR fields in the Layer.
+    layer = data_source[layer_key]
+    ogr_fields = layer.fields
+
+    # Creating lists from the `null`, `blank`, and `decimal`
+    # keyword arguments.
+    def process_kwarg(kwarg):
+        if isinstance(kwarg, (list, tuple)):
+            return [s.lower() for s in kwarg]
+        elif kwarg:
+            return [s.lower() for s in ogr_fields]
+        else:
+            return []
+
+    null_fields = process_kwarg(null)
+    blank_fields = process_kwarg(blank)
+    decimal_fields = process_kwarg(decimal)
+
+    # Gets the `null` and `blank` keywords for the given field name.
+    def get_kwargs_str(field_name):
+        kwlist = []
+        if field_name.lower() in null_fields:
+            kwlist.append("null=True")
+        if field_name.lower() in blank_fields:
+            kwlist.append("blank=True")
+        if kwlist:
+            return ", " + ", ".join(kwlist)
+        else:
+            return ""
+
+    # For those wishing to disable the imports.
+    if imports:
+        yield "# This is an auto-generated Django model module created by ogrinspect."
+        yield "from django.contrib.gis.db import models"
+        yield ""
+        yield ""
+
+    yield "class %s(models.Model):" % model_name
+
+    for field_name, width, precision, field_type in zip(
+        ogr_fields, layer.field_widths, layer.field_precisions, layer.field_types
+    ):
+        # The model field name.
+        mfield = field_name.lower()
+        if mfield[-1:] == "_":
+            mfield += "field"
+
+        # Getting the keyword args string.
+        kwargs_str = get_kwargs_str(field_name)
+
+        if field_type is OFTReal:
+            # By default OFTReals are mapped to `FloatField`, however, they
+            # may also be mapped to `DecimalField` if specified in the
+            # `decimal` keyword.
+            if field_name.lower() in decimal_fields:
+                yield (
+                    "    %s = models.DecimalField(max_digits=%d, decimal_places=%d%s)"
+                ) % (
+                    mfield,
+                    width,
+                    precision,
+                    kwargs_str,
+                )
+            else:
+                yield "    %s = models.FloatField(%s)" % (mfield, kwargs_str[2:])
+        elif field_type is OFTInteger:
+            yield "    %s = models.IntegerField(%s)" % (mfield, kwargs_str[2:])
+        elif field_type is OFTInteger64:
+            yield "    %s = models.BigIntegerField(%s)" % (mfield, kwargs_str[2:])
+        elif field_type is OFTString:
+            yield "    %s = models.CharField(max_length=%s%s)" % (
+                mfield,
+                width,
+                kwargs_str,
+            )
+        elif field_type is OFTDate:
+            yield "    %s = models.DateField(%s)" % (mfield, kwargs_str[2:])
+        elif field_type is OFTDateTime:
+            yield "    %s = models.DateTimeField(%s)" % (mfield, kwargs_str[2:])
+        elif field_type is OFTTime:
+            yield "    %s = models.TimeField(%s)" % (mfield, kwargs_str[2:])
+        else:
+            raise TypeError("Unknown field type %s in %s" % (field_type, mfield))
+
+    # TODO: Autodetection of multigeometry types (see #7218).
+    gtype = layer.geom_type
+    if multi_geom:
+        gtype.to_multi()
+    geom_field = gtype.django
+
+    # Setting up the SRID keyword string.
+    if srid is None:
+        if layer.srs is None:
+            srid_str = "srid=-1"
+        else:
+            srid = layer.srs.srid
+            if srid is None:
+                srid_str = "srid=-1"
+            elif srid == 4326:
+                # WGS84 is already the default.
+                srid_str = ""
+            else:
+                srid_str = "srid=%s" % srid
+    else:
+        srid_str = "srid=%s" % srid
+
+    yield "    %s = models.%s(%s)" % (geom_name, geom_field, srid_str)
+
+    if name_field:
+        yield ""
+        yield "    def __str__(self): return self.%s" % name_field
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/srs.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/srs.py
new file mode 100644
index 00000000..22047679
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/utils/srs.py
@@ -0,0 +1,78 @@
+from django.contrib.gis.gdal import SpatialReference
+from django.db import DEFAULT_DB_ALIAS, connections
+
+
+def add_srs_entry(
+    srs, auth_name="EPSG", auth_srid=None, ref_sys_name=None, database=None
+):
+    """
+    Take a GDAL SpatialReference system and add its information to the
+    `spatial_ref_sys` table of the spatial backend. Doing this enables
+    database-level spatial transformations for the backend.  Thus, this utility
+    is useful for adding spatial reference systems not included by default with
+    the backend:
+
+    >>> from django.contrib.gis.utils import add_srs_entry
+    >>> add_srs_entry(3857)
+
+    Keyword Arguments:
+     auth_name:
+       This keyword may be customized with the value of the `auth_name` field.
+       Defaults to 'EPSG'.
+
+     auth_srid:
+       This keyword may be customized with the value of the `auth_srid` field.
+       Defaults to the SRID determined by GDAL.
+
+     ref_sys_name:
+       For SpatiaLite users only, sets the value of the `ref_sys_name` field.
+       Defaults to the name determined by GDAL.
+
+     database:
+      The name of the database connection to use; the default is the value
+      of `django.db.DEFAULT_DB_ALIAS` (at the time of this writing, its value
+      is 'default').
+    """
+    database = database or DEFAULT_DB_ALIAS
+    connection = connections[database]
+
+    if not hasattr(connection.ops, "spatial_version"):
+        raise Exception("The `add_srs_entry` utility only works with spatial backends.")
+    if not connection.features.supports_add_srs_entry:
+        raise Exception("This utility does not support your database backend.")
+    SpatialRefSys = connection.ops.spatial_ref_sys()
+
+    # If argument is not a `SpatialReference` instance, use it as parameter
+    # to construct a `SpatialReference` instance.
+    if not isinstance(srs, SpatialReference):
+        srs = SpatialReference(srs)
+
+    if srs.srid is None:
+        raise Exception(
+            "Spatial reference requires an SRID to be "
+            "compatible with the spatial backend."
+        )
+
+    # Initializing the keyword arguments dictionary for both PostGIS
+    # and SpatiaLite.
+    kwargs = {
+        "srid": srs.srid,
+        "auth_name": auth_name,
+        "auth_srid": auth_srid or srs.srid,
+        "proj4text": srs.proj4,
+    }
+    # Backend-specific fields for the SpatialRefSys model.
+    srs_field_names = {f.name for f in SpatialRefSys._meta.get_fields()}
+    if "srtext" in srs_field_names:
+        kwargs["srtext"] = srs.wkt
+    if "ref_sys_name" in srs_field_names:
+        # SpatiaLite specific
+        kwargs["ref_sys_name"] = ref_sys_name or srs.name
+
+    # Creating the spatial_ref_sys model.
+    try:
+        # Try getting via SRID only, because using all kwargs may
+        # differ from exact wkt/proj in database.
+        SpatialRefSys.objects.using(database).get(srid=srs.srid)
+    except SpatialRefSys.DoesNotExist:
+        SpatialRefSys.objects.using(database).create(**kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/views.py
new file mode 100644
index 00000000..346fb5b0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/gis/views.py
@@ -0,0 +1,22 @@
+from django.http import Http404
+from django.utils.translation import gettext as _
+
+
+def feed(request, url, feed_dict=None):
+    """Provided for backwards compatibility."""
+    if not feed_dict:
+        raise Http404(_("No feeds are registered."))
+
+    slug = url.partition("/")[0]
+    try:
+        f = feed_dict[slug]
+    except KeyError:
+        raise Http404(_("Slug %r isn’t registered.") % slug)
+
+    instance = f()
+    instance.feed_url = getattr(f, "feed_url", None) or request.path
+    instance.title_template = f.title_template or ("feeds/%s_title.html" % slug)
+    instance.description_template = f.description_template or (
+        "feeds/%s_description.html" % slug
+    )
+    return instance(request)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..b3448146
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__pycache__/apps.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__pycache__/apps.cpython-311.pyc
new file mode 100644
index 00000000..23dbeb94
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/__pycache__/apps.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/apps.py
new file mode 100644
index 00000000..817ae96f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/apps.py
@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class HumanizeConfig(AppConfig):
+    name = "django.contrib.humanize"
+    verbose_name = _("Humanize")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d3f79ac2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/af/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..087f0176
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,328 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:40+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>, 2019,2023\n"
+"Language-Team: Afrikaans (http://app.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanise"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}de"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}ste"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}ste"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s miljoen"
+msgstr[1] "%(value)s miljoen"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miljard"
+msgstr[1] "%(value)s miljard"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s biljoen"
+msgstr[1] "%(value)s biljoen"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s biljard"
+msgstr[1] "%(value)s biljard"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s triljoen"
+msgstr[1] "%(value)s triljoen"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s triljard"
+msgstr[1] "%(value)s triljard"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kwadriljoen"
+msgstr[1] "%(value)s kwadriljoen"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kwadriljard"
+msgstr[1] "%(value)s kwadriljard"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kwintiljoen"
+msgstr[1] "%(value)s kwintiljoen"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kwinteljard"
+msgstr[1] "%(value)s kwinteljard"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "een"
+
+msgid "two"
+msgstr "twee"
+
+msgid "three"
+msgstr "drie"
+
+msgid "four"
+msgstr "vier"
+
+msgid "five"
+msgstr "vyf"
+
+msgid "six"
+msgstr "ses"
+
+msgid "seven"
+msgstr "sewe"
+
+msgid "eight"
+msgstr "agt"
+
+msgid "nine"
+msgstr "nege"
+
+msgid "today"
+msgstr "vandag"
+
+msgid "tomorrow"
+msgstr "môre"
+
+msgid "yesterday"
+msgstr "gister"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s gelede"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "’n uur gelede"
+msgstr[1] "%(count)s uur gelede"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "’n minuut gelede"
+msgstr[1] "%(count)s minute gelede"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "’n sekonde gelede"
+msgstr[1] "%(count)s sekondes gelede"
+
+msgid "now"
+msgstr "nou"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "oor ’n sekonde"
+msgstr[1] "oor %(count)s sekondes"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "oor ’n minuut"
+msgstr[1] "oor %(count)s minute"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "oor ’n uur"
+msgstr[1] "oor %(count)s ure"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "oor %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d jaar"
+msgstr[1] "%(num)d jaar"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d maand"
+msgstr[1] "%(num)d maande"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d week"
+msgstr[1] "%(num)d weke"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dae"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d uur"
+msgstr[1] "%(num)d uur"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuut"
+msgstr[1] "%(num)d minute"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d jaar"
+msgstr[1] "%(num)d jaar"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d maand"
+msgstr[1] "%(num)d maande"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d week"
+msgstr[1] "%(num)d weke"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dae"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d uur"
+msgstr[1] "%(num)d uur"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuut"
+msgstr[1] "%(num)d minute"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..169bb73a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..94c7f871
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,449 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2020-2021
+# Bashar Al-Abdulhadi, 2014
+# Eyad Toma <d.eyad.t@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Muaaz Alsaied, 2020
+# Ossama Khayat <okhayat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-10-15 21:36+0000\n"
+"Last-Translator: Bashar Al-Abdulhadi\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Humanize"
+msgstr "عمل صفة بشرية"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s مليون"
+msgstr[1] "%(value)s مليون"
+msgstr[2] "%(value)s مليون"
+msgstr[3] "%(value)s ملايين"
+msgstr[4] "%(value)s مليون"
+msgstr[5] "%(value)s مليون"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s مليار"
+msgstr[1] "%(value)s مليار"
+msgstr[2] "%(value)s مليار"
+msgstr[3] "%(value)s مليار"
+msgstr[4] "%(value)s مليار"
+msgstr[5] "%(value)s مليار"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s ترليون"
+msgstr[1] "%(value)s ترليون"
+msgstr[2] "%(value)s ترليون"
+msgstr[3] "%(value)s ترليون"
+msgstr[4] "%(value)s ترليون"
+msgstr[5] "%(value)s ترليون"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s كوادرليون"
+msgstr[1] "%(value)s كوادرليون"
+msgstr[2] "%(value)s كوادرليون"
+msgstr[3] "%(value)s كوادرليون"
+msgstr[4] "%(value)s كوادرليون"
+msgstr[5] "%(value)s كوادرليون"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s كوينتيليون"
+msgstr[1] "%(value)s كوينتيليون"
+msgstr[2] "%(value)s كوينتيليون"
+msgstr[3] "%(value)s كوينتيليون"
+msgstr[4] "%(value)s كوينتيليون"
+msgstr[5] "%(value)s كوينتيليون"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s سكستيليون"
+msgstr[1] "%(value)s سكستيليون"
+msgstr[2] "%(value)s سكستيليون"
+msgstr[3] "%(value)s سكستيليون"
+msgstr[4] "%(value)s سكستيليون"
+msgstr[5] "%(value)s سكستيليون"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s سبتيليون"
+msgstr[1] "%(value)s سبتيليون"
+msgstr[2] "%(value)s سبتيليون"
+msgstr[3] "%(value)s سبتيليون"
+msgstr[4] "%(value)s سبتيليون"
+msgstr[5] "%(value)s سبتيليون"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s أقتيليون"
+msgstr[1] "%(value)s أقتيليون"
+msgstr[2] "%(value)s أقتيليون"
+msgstr[3] "%(value)s أقتيليون"
+msgstr[4] "%(value)s أقتيليون"
+msgstr[5] "%(value)s أقتيليون"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s نانليون"
+msgstr[1] "%(value)s نانليون"
+msgstr[2] "%(value)s نانليون"
+msgstr[3] "%(value)s نانليون"
+msgstr[4] "%(value)s نانليون"
+msgstr[5] "%(value)s نانليون"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s ديسيليون"
+msgstr[1] "%(value)s ديسيليون"
+msgstr[2] "%(value)s ديسيليون"
+msgstr[3] "%(value)s ديسيليون"
+msgstr[4] "%(value)s ديسيليون"
+msgstr[5] "%(value)s ديسيليون"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s جوجول"
+msgstr[1] "%(value)s جوجول"
+msgstr[2] "%(value)s جوجول"
+msgstr[3] "%(value)s جوجول"
+msgstr[4] "%(value)s جوجول"
+msgstr[5] "%(value)s جوجول"
+
+msgid "one"
+msgstr "واحد"
+
+msgid "two"
+msgstr "إثنان"
+
+msgid "three"
+msgstr "ثلالثة"
+
+msgid "four"
+msgstr "أربعة"
+
+msgid "five"
+msgstr "خمسة"
+
+msgid "six"
+msgstr "ستة"
+
+msgid "seven"
+msgstr "سبعة"
+
+msgid "eight"
+msgstr "ثمانية"
+
+msgid "nine"
+msgstr "تسعة"
+
+msgid "today"
+msgstr "اليوم"
+
+msgid "tomorrow"
+msgstr "غداً"
+
+msgid "yesterday"
+msgstr "أمس"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s مضت"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "منذ %(count)s ساعة"
+msgstr[1] "منذ ساعة"
+msgstr[2] "منذ %(count)s ساعة"
+msgstr[3] "منذ %(count)s ساعة"
+msgstr[4] "منذ %(count)s ساعة"
+msgstr[5] "منذ %(count)s ساعة"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "منذ %(count)s دقيقة"
+msgstr[1] "منذ دقيقة"
+msgstr[2] "منذ %(count)s دقيقة"
+msgstr[3] "منذ %(count)s دقيقة"
+msgstr[4] "منذ %(count)s دقيقة"
+msgstr[5] "منذ %(count)s دقيقة"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "منذ %(count)s ثانية"
+msgstr[1] "منذ ثانية"
+msgstr[2] "منذ %(count)s ثانيتين"
+msgstr[3] "منذ %(count)s ثواني"
+msgstr[4] "منذ %(count)s ثانية"
+msgstr[5] "منذ %(count)s ثانية"
+
+msgid "now"
+msgstr "الآن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s ثواني من الآن"
+msgstr[1] "منذ ثانية من الآن"
+msgstr[2] "%(count)s ثواني من الآن"
+msgstr[3] "%(count)s ثواني من الآن"
+msgstr[4] "%(count)s ثواني من الآن"
+msgstr[5] "%(count)s ثواني من الآن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s دقائق من الآن"
+msgstr[1] "منذ دقيقة من الآن"
+msgstr[2] "%(count)s دقائق من الآن"
+msgstr[3] "%(count)s دقائق من الآن"
+msgstr[4] "%(count)s دقائق من الآن"
+msgstr[5] "%(count)s دقائق من الآن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s ساعات من الآن"
+msgstr[1] "منذ ساعة من الآن"
+msgstr[2] "%(count)s ساعات من الآن"
+msgstr[3] "%(count)s ساعات من الآن"
+msgstr[4] "%(count)s ساعات من الآن"
+msgstr[5] "%(count)s ساعات من الآن"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s من الآن"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d سنة"
+msgstr[1] "%(num)d سنة"
+msgstr[2] "%(num)d سنتين"
+msgstr[3] "%(num)d سنوات"
+msgstr[4] "%(num)d سنوات"
+msgstr[5] "%(num)d سنوات"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d شهر"
+msgstr[1] "%(num)d شهر"
+msgstr[2] "%(num)d شهرين"
+msgstr[3] "%(num)d أشهر"
+msgstr[4] "%(num)d أشهر"
+msgstr[5] "%(num)d أشهر"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d أسبوع"
+msgstr[1] "%(num)d أسبوع"
+msgstr[2] "%(num)d أسبوعين"
+msgstr[3] "%(num)d أسابيع"
+msgstr[4] "%(num)d أسبوع"
+msgstr[5] "%(num)d أسابيع"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d يوم"
+msgstr[1] "%(num)d يوم"
+msgstr[2] "%(num)d يومين"
+msgstr[3] "%(num)d أيام"
+msgstr[4] "%(num)d يوم"
+msgstr[5] "%(num)d أيام"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ساعة"
+msgstr[1] "%(num)d ساعة"
+msgstr[2] "%(num)d ساعتين"
+msgstr[3] "%(num)d ساعات"
+msgstr[4] "%(num)d ساعة"
+msgstr[5] "%(num)d ساعات"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d دقيقة"
+msgstr[1] "%(num)d دقيقة"
+msgstr[2] "%(num)d دقيقتين"
+msgstr[3] "%(num)d دقائق"
+msgstr[4] "%(num)d دقيقة"
+msgstr[5] "%(num)d دقيقة"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d سنة"
+msgstr[1] "%(num)d سنة"
+msgstr[2] "%(num)d سنتين"
+msgstr[3] "%(num)d سنوات"
+msgstr[4] "%(num)d سنة"
+msgstr[5] "%(num)d سنوات"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d شهر"
+msgstr[1] "%(num)d شهر"
+msgstr[2] "%(num)d شهرين"
+msgstr[3] "%(num)d أشهر"
+msgstr[4] "%(num)d شهر"
+msgstr[5] "%(num)d أشهر"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d أسبوع"
+msgstr[1] "%(num)d أسبوع"
+msgstr[2] "%(num)d أسبوعين"
+msgstr[3] "%(num)d أسابيع"
+msgstr[4] "%(num)d أسبوع"
+msgstr[5] "%(num)d أسابيع"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d يوم"
+msgstr[1] "%(num)d يوم"
+msgstr[2] "%(num)d يومين"
+msgstr[3] "%(num)d أيام"
+msgstr[4] "%(num)d يوم"
+msgstr[5] "%(num)d أيام"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ساعة"
+msgstr[1] "%(num)d ساعة"
+msgstr[2] "%(num)d ساعتين"
+msgstr[3] "%(num)d ساعات"
+msgstr[4] "%(num)d ساعة"
+msgstr[5] "%(num)d ساعات"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d دقيقة"
+msgstr[1] "%(num)d دقيقة"
+msgstr[2] "%(num)d دقيقتين"
+msgstr[3] "%(num)d دقائق"
+msgstr[4] "%(num)d دقيقة"
+msgstr[5] "%(num)d دقيقة"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d61abbd2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar_DZ/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4e4c151e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,555 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-12-16 02:59+0000\n"
+"Last-Translator: Riterix <infosrabah@gmail.com>\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Humanize"
+msgstr "عمل صفة بشرية"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f مليون"
+msgstr[1] "%(value).1f مليون"
+msgstr[2] "%(value).1f مليونان"
+msgstr[3] "%(value).1f مليون"
+msgstr[4] "%(value).1f مليون"
+msgstr[5] "%(value).1f مليون"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s مليون"
+msgstr[1] "%(value)s مليون"
+msgstr[2] "%(value)s مليون"
+msgstr[3] "%(value)s ملايين"
+msgstr[4] "%(value)s مليون"
+msgstr[5] "%(value)s مليون"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f مليار"
+msgstr[1] "%(value).1f مليار"
+msgstr[2] "%(value).1f ملياران"
+msgstr[3] "%(value).1f مليار"
+msgstr[4] "%(value).1f مليار"
+msgstr[5] "%(value).1f مليار"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s مليار"
+msgstr[1] "%(value)s مليار"
+msgstr[2] "%(value)s مليار"
+msgstr[3] "%(value)s مليار"
+msgstr[4] "%(value)s مليار"
+msgstr[5] "%(value)s مليار"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f ترليون"
+msgstr[1] "%(value).1f ترليون"
+msgstr[2] "%(value).1f ترليونان"
+msgstr[3] "%(value).1f ترليونات"
+msgstr[4] "%(value).1f ترليون"
+msgstr[5] "%(value).1f ترليون"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s ترليون"
+msgstr[1] "%(value)s ترليون"
+msgstr[2] "%(value)s ترليون"
+msgstr[3] "%(value)s ترليون"
+msgstr[4] "%(value)s ترليون"
+msgstr[5] "%(value)s ترليون"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f كوادرليون"
+msgstr[1] "%(value).1f كوادرليون"
+msgstr[2] "%(value).1f كوادرليون"
+msgstr[3] "%(value).1f كوادرليون"
+msgstr[4] "%(value).1f كوادرليون"
+msgstr[5] "%(value).1f كوادرليون"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s كوادرليون"
+msgstr[1] "%(value)s كوادرليون"
+msgstr[2] "%(value)s كوادرليون"
+msgstr[3] "%(value)s كوادرليون"
+msgstr[4] "%(value)s كوادرليون"
+msgstr[5] "%(value)s كوادرليون"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f كوينتيليون"
+msgstr[1] "%(value).1f كوينتيليون"
+msgstr[2] "%(value).1f كوينتيليون"
+msgstr[3] "%(value).1f كوينتيليون"
+msgstr[4] "%(value).1f كوينتيليون"
+msgstr[5] "%(value).1f كوينتيليون"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s كوينتيليون"
+msgstr[1] "%(value)s كوينتيليون"
+msgstr[2] "%(value)s كوينتيليون"
+msgstr[3] "%(value)s كوينتيليون"
+msgstr[4] "%(value)s كوينتيليون"
+msgstr[5] "%(value)s كوينتيليون"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f سكستيليون"
+msgstr[1] "%(value).1f سكستيليون"
+msgstr[2] "%(value).1f سكستيليون"
+msgstr[3] "%(value).1f سكستيليون"
+msgstr[4] "%(value).1f سكستيليون"
+msgstr[5] "%(value).1f سكستيليون"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s سكستيليون"
+msgstr[1] "%(value)s سكستيليون"
+msgstr[2] "%(value)s سكستيليون"
+msgstr[3] "%(value)s سكستيليون"
+msgstr[4] "%(value)s سكستيليون"
+msgstr[5] "%(value)s سكستيليون"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f سبتيليون"
+msgstr[1] "%(value).1f سبتيليون"
+msgstr[2] "%(value).1f سبتيليون"
+msgstr[3] "%(value).1f سبتيليون"
+msgstr[4] "%(value).1f سبتيليون"
+msgstr[5] "%(value).1f سبتيليون"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s سبتيليون"
+msgstr[1] "%(value)s سبتيليون"
+msgstr[2] "%(value)s سبتيليون"
+msgstr[3] "%(value)s سبتيليون"
+msgstr[4] "%(value)s سبتيليون"
+msgstr[5] "%(value)s سبتيليون"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f أقتيليون"
+msgstr[1] "%(value).1f أقتيليون"
+msgstr[2] "%(value).1f أقتيليون"
+msgstr[3] "%(value).1f أقتيليون"
+msgstr[4] "%(value).1f أقتيليون"
+msgstr[5] "%(value).1f أقتيليون"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s أقتيليون"
+msgstr[1] "%(value)s أقتيليون"
+msgstr[2] "%(value)s أقتيليون"
+msgstr[3] "%(value)s أقتيليون"
+msgstr[4] "%(value)s أقتيليون"
+msgstr[5] "%(value)s أقتيليون"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f نانليون"
+msgstr[1] "%(value).1f نانليون"
+msgstr[2] "%(value).1f نانليون"
+msgstr[3] "%(value).1f نانليون"
+msgstr[4] "%(value).1f نانليون"
+msgstr[5] "%(value).1f نانليون"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s نانليون"
+msgstr[1] "%(value)s نانليون"
+msgstr[2] "%(value)s نانليون"
+msgstr[3] "%(value)s نانليون"
+msgstr[4] "%(value)s نانليون"
+msgstr[5] "%(value)s نانليون"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f ديسيليون"
+msgstr[1] "%(value).1f ديسيليون"
+msgstr[2] "%(value).1f ديسيليون"
+msgstr[3] "%(value).1f ديسيليون"
+msgstr[4] "%(value).1f ديسيليون"
+msgstr[5] "%(value).1f ديسيليون"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s ديسيليون"
+msgstr[1] "%(value)s ديسيليون"
+msgstr[2] "%(value)s ديسيليون"
+msgstr[3] "%(value)s ديسيليون"
+msgstr[4] "%(value)s ديسيليون"
+msgstr[5] "%(value)s ديسيليون"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f جوجول"
+msgstr[1] "%(value).1f جوجول"
+msgstr[2] "%(value).1f جوجول"
+msgstr[3] "%(value).1f جوجول"
+msgstr[4] "%(value).1f جوجول"
+msgstr[5] "%(value).1f جوجول"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s جوجول"
+msgstr[1] "%(value)s جوجول"
+msgstr[2] "%(value)s جوجول"
+msgstr[3] "%(value)s جوجول"
+msgstr[4] "%(value)s جوجول"
+msgstr[5] "%(value)s جوجول"
+
+msgid "one"
+msgstr "واحد"
+
+msgid "two"
+msgstr "إثنان"
+
+msgid "three"
+msgstr "ثلالثة"
+
+msgid "four"
+msgstr "أربعة"
+
+msgid "five"
+msgstr "خمسة"
+
+msgid "six"
+msgstr "ستة"
+
+msgid "seven"
+msgstr "سبعة"
+
+msgid "eight"
+msgstr "ثمانية"
+
+msgid "nine"
+msgstr "تسعة"
+
+msgid "today"
+msgstr "اليوم"
+
+msgid "tomorrow"
+msgstr "غداً"
+
+msgid "yesterday"
+msgstr "أمس"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s مضت"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "منذ %(count)s ساعة"
+msgstr[1] "منذ ساعة"
+msgstr[2] "منذ %(count)s ساعة"
+msgstr[3] "منذ %(count)s ساعة"
+msgstr[4] "منذ %(count)s ساعة"
+msgstr[5] "منذ %(count)s ساعة"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "منذ %(count)s دقيقة"
+msgstr[1] "منذ دقيقة"
+msgstr[2] "منذ %(count)s دقيقة"
+msgstr[3] "منذ %(count)s دقيقة"
+msgstr[4] "منذ %(count)s دقيقة"
+msgstr[5] "منذ %(count)s دقيقة"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "منذ %(count)s ثانية"
+msgstr[1] "منذ ثانية"
+msgstr[2] "منذ %(count)s ثانيتين"
+msgstr[3] "منذ %(count)s ثواني"
+msgstr[4] "منذ %(count)s ثانية"
+msgstr[5] "منذ %(count)s ثانية"
+
+msgid "now"
+msgstr "الآن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s ثواني من الآن"
+msgstr[1] "منذ ثانية من الآن"
+msgstr[2] "%(count)s ثواني من الآن"
+msgstr[3] "%(count)s ثواني من الآن"
+msgstr[4] "%(count)s ثواني من الآن"
+msgstr[5] "%(count)s ثواني من الآن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s دقائق من الآن"
+msgstr[1] "منذ دقيقة من الآن"
+msgstr[2] "%(count)s دقائق من الآن"
+msgstr[3] "%(count)s دقائق من الآن"
+msgstr[4] "%(count)s دقائق من الآن"
+msgstr[5] "%(count)s دقائق من الآن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s ساعات من الآن"
+msgstr[1] "منذ ساعة من الآن"
+msgstr[2] "%(count)s ساعات من الآن"
+msgstr[3] "%(count)s ساعات من الآن"
+msgstr[4] "%(count)s ساعات من الآن"
+msgstr[5] "%(count)s ساعات من الآن"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s من الآن"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d سنة"
+msgstr[1] "%d سنة"
+msgstr[2] "%d سنتين"
+msgstr[3] "%d سنوات"
+msgstr[4] "%d سنة"
+msgstr[5] "%d سنة"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d شهر"
+msgstr[1] "%d شهر"
+msgstr[2] "%d شهرين"
+msgstr[3] "%d أشهر"
+msgstr[4] "%d شهر"
+msgstr[5] "%d شهر"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d اسبوع"
+msgstr[1] "%d اسبوع"
+msgstr[2] "%d أسبوعين"
+msgstr[3] "%d أسابيع"
+msgstr[4] "%d اسبوع"
+msgstr[5] "%d اسبوع"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d يوم"
+msgstr[1] "%d يوم"
+msgstr[2] "%d يومان"
+msgstr[3] "%d أيام"
+msgstr[4] "%d يوم"
+msgstr[5] "%d يوم"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d ساعة"
+msgstr[1] "%d ساعة واحدة"
+msgstr[2] "%d ساعتين"
+msgstr[3] "%d ساعات"
+msgstr[4] "%d ساعة"
+msgstr[5] "%d ساعة"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d دقيقة"
+msgstr[1] "%d دقيقة"
+msgstr[2] "%d دقيقتين"
+msgstr[3] "%d دقائق"
+msgstr[4] "%d دقيقة"
+msgstr[5] "%d دقيقة"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d سنة"
+msgstr[1] "%d سنة"
+msgstr[2] "%d سنتين"
+msgstr[3] "%d سنوات"
+msgstr[4] "%d سنة"
+msgstr[5] "%d سنة"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d شهر"
+msgstr[1] "%d شهر"
+msgstr[2] "%d شهرين"
+msgstr[3] "%d أشهر"
+msgstr[4] "%d شهر"
+msgstr[5] "%d شهر"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d أسبوع"
+msgstr[1] "%d أسبوع"
+msgstr[2] "%d أسبوعين"
+msgstr[3] "%d أسابيع"
+msgstr[4] "%d أسبوع"
+msgstr[5] "%d أسبوع"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d يوم"
+msgstr[1] "%d يوم"
+msgstr[2] "%d يومان"
+msgstr[3] "%d أيام"
+msgstr[4] "%d يوم"
+msgstr[5] "%d يوم"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d ساعة"
+msgstr[1] "%d ساعة واحدة"
+msgstr[2] "%d ساعتين"
+msgstr[3] "%d ساعات"
+msgstr[4] "%d ساعة"
+msgstr[5] "%d ساعة"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d دقيقة"
+msgstr[1] "%d دقيقة"
+msgstr[2] "%d دقيقتين"
+msgstr[3] "%d دقائق"
+msgstr[4] "%d دقيقة"
+msgstr[5] "%d دقيقة"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..049aab23
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ast/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..50f4794e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 19:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "ᵘ"
+
+msgid "st"
+msgstr "ᵘ"
+
+msgid "nd"
+msgstr "ᵘ"
+
+msgid "rd"
+msgstr "ᵘ"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f millón"
+msgstr[1] "%(value).1f millones"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s millón"
+msgstr[1] "%(value)s millones"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f billón"
+msgstr[1] "%(value).1f billones"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s billón"
+msgstr[1] "%(value)s billones"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trillón"
+msgstr[1] "%(value).1f trillones"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trillón"
+msgstr[1] "%(value)s trillones"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f cuatrillón"
+msgstr[1] "%(value).1f cuatrillones"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s cuatrillón"
+msgstr[1] "%(value)s cuatrillones"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f quintillón"
+msgstr[1] "%(value).1f quintillones"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintillón"
+msgstr[1] "%(value)s quintillones"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sextillón"
+msgstr[1] "%(value).1f sextillones"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextillón"
+msgstr[1] "%(value)s sextillones"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septillón"
+msgstr[1] "%(value).1f septillones"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillón"
+msgstr[1] "%(value)s septillones"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octillón"
+msgstr[1] "%(value).1f octillones"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillón"
+msgstr[1] "%(value)s octillones"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonillón"
+msgstr[1] "%(value).1f nonillones"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillón"
+msgstr[1] "%(value)s nonillones"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decillón"
+msgstr[1] "%(value).1f decillones"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decillón"
+msgstr[1] "%(value)s decillones"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f gúgol"
+msgstr[1] "%(value).1f gúgol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gúgol"
+msgstr[1] "%(value)s gúgol"
+
+msgid "one"
+msgstr "un"
+
+msgid "two"
+msgstr "dos"
+
+msgid "three"
+msgstr "trés"
+
+msgid "four"
+msgstr "cuatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "siete"
+
+msgid "eight"
+msgstr "ocho"
+
+msgid "nine"
+msgstr "nueve"
+
+msgid "today"
+msgstr "güei"
+
+msgid "tomorrow"
+msgstr "mañana"
+
+msgid "yesterday"
+msgstr "ayeri"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "hai %(delta)s"
+
+msgid "now"
+msgstr "agora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s dende agora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..251d93fe
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/az/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2729a9bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,332 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Claude Paroz <claude@2xlibre.net>, 2013
+# Emin Mastizada <emin@linux.com>, 2018,2020
+# Emin Mastizada <emin@linux.com>, 2016
+# Nicat Məmmədov <n1c4t97@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-07-24 18:40+0000\n"
+"Last-Translator: Nicat Məmmədov <n1c4t97@gmail.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "İnsanlaşdır"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ci"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}ci"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}cü"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}cü"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}ci"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}cı"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}ci"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}ci"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}cu"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milyon"
+msgstr[1] "%(value)s milyon"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milyard"
+msgstr[1] "%(value)s milyard"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilyon"
+msgstr[1] "%(value)s trilyon"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadrilyon"
+msgstr[1] "%(value)s kvadrilyon"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintilyon"
+msgstr[1] "%(value)s kvintilyon"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstilyon"
+msgstr[1] "%(value)s sekstilyon"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilyon"
+msgstr[1] "%(value)s septilyon"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktilyon"
+msgstr[1] "%(value)s oktilyon"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilyon"
+msgstr[1] "%(value)s nonilyon"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s deçilyon"
+msgstr[1] "%(value)s deçilyon"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s quqol"
+msgstr[1] "%(value)s quqol"
+
+msgid "one"
+msgstr "bir"
+
+msgid "two"
+msgstr "iki"
+
+msgid "three"
+msgstr "üç"
+
+msgid "four"
+msgstr "dörd"
+
+msgid "five"
+msgstr "beş"
+
+msgid "six"
+msgstr "altı"
+
+msgid "seven"
+msgstr "yeddi"
+
+msgid "eight"
+msgstr "səkkiz"
+
+msgid "nine"
+msgstr "doqquz"
+
+msgid "today"
+msgstr "bu gün"
+
+msgid "tomorrow"
+msgstr "sabah"
+
+msgid "yesterday"
+msgstr "dünən"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s əvvəl"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "bir saat əvvəl"
+msgstr[1] "%(count)s saat əvvəl"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "bir dəqiqə əvvəl"
+msgstr[1] "%(count)s dəqiqə əvvəl"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "bir saniyə əvvəl"
+msgstr[1] "%(count)s saniyə əvvəl"
+
+msgid "now"
+msgstr "indi"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "bir saniyə sonra"
+msgstr[1] "%(count)s saniyə sonra"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "bir dəqiqə sonra"
+msgstr[1] "%(count)s dəqiqə sonra"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "bir saat sonra"
+msgstr[1] "%(count)s saat sonra"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s bundan sonra"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d il"
+msgstr[1] "%(num)d il"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ay"
+msgstr[1] "%(num)d ay"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d həftə"
+msgstr[1] "%(num)d həftə"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d gün"
+msgstr[1] "%(num)d gün"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d saat"
+msgstr[1] "%(num)d saat"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d dəqiqə"
+msgstr[1] "%(num)d dəqiqə"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d il"
+msgstr[1] "%(num)d il"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ay"
+msgstr[1] "%(num)d ay"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d həftə"
+msgstr[1] "%(num)d həftə"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d gün"
+msgstr[1] "%(num)d gün"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d saat"
+msgstr[1] "%(num)d saat"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d dəqiqə"
+msgstr[1] "%(num)d dəqiqə"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ed7b8462
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/be/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..565b5b34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,389 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2014-2015
+# znotdead <zhirafchik@gmail.com>, 2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-22 16:47+0000\n"
+"Last-Translator: znotdead <zhirafchik@gmail.com>\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Humanize"
+msgstr "Ачалавечваньне"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}і"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}і"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}ы"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}ы"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s мільён"
+msgstr[1] "%(value)s мільёны"
+msgstr[2] "%(value)s мільёнаў"
+msgstr[3] "%(value)s мільёнаў"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value).s мільярд"
+msgstr[1] "%(value)s мільярды"
+msgstr[2] "%(value)s мільярдаў"
+msgstr[3] "%(value)s мільярдаў"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s трыльён"
+msgstr[1] "%(value)s трыльёны"
+msgstr[2] "%(value)s трыльёнаў"
+msgstr[3] "%(value)s трыльёнаў"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s квадрыльён"
+msgstr[1] "%(value)s квадрыльёны"
+msgstr[2] "%(value)s квадрыльёнаў"
+msgstr[3] "%(value)s квадрыльёнаў"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s квінтыльён"
+msgstr[1] "%(value)s квінтыльёны"
+msgstr[2] "%(value)s квінтыльёнаў"
+msgstr[3] "%(value)s квінтыльёнаў"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s сэкстыльён"
+msgstr[1] "%(value)s сэкстыльёны"
+msgstr[2] "%(value)s сэкстыльёнаў"
+msgstr[3] "%(value)s сэкстыльёнаў"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s сэптыльён"
+msgstr[1] "%(value)s сэптыльёны"
+msgstr[2] "%(value)s сэптыльёнаў"
+msgstr[3] "%(value)s сэптыльёнаў"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s актыльён"
+msgstr[1] "%(value)s актыльёны"
+msgstr[2] "%(value)s актыльёнаў"
+msgstr[3] "%(value)s актыльёнаў"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s нанільён"
+msgstr[1] "%(value)s нанільёны"
+msgstr[2] "%(value)s нанільёнаў"
+msgstr[3] "%(value)s нанільёнаў"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s дэцыльён"
+msgstr[1] "%(value)s дэцыльёны"
+msgstr[2] "%(value)s дэцыльёнаў"
+msgstr[3] "%(value)s дэцыльёнаў"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s ґуґал"
+msgstr[1] "%(value)s ґуґлы"
+msgstr[2] "%(value)s ґуґлаў"
+msgstr[3] "%(value)s ґуґлаў"
+
+msgid "one"
+msgstr "адзін"
+
+msgid "two"
+msgstr "два"
+
+msgid "three"
+msgstr "тры"
+
+msgid "four"
+msgstr "чатыры"
+
+msgid "five"
+msgstr "пяць"
+
+msgid "six"
+msgstr "шэсьць"
+
+msgid "seven"
+msgstr "сем"
+
+msgid "eight"
+msgstr "восем"
+
+msgid "nine"
+msgstr "дзевяць"
+
+msgid "today"
+msgstr "сёньня"
+
+msgid "tomorrow"
+msgstr "заўтра"
+
+msgid "yesterday"
+msgstr "ўчора"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s таму"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s гадзіну таму"
+msgstr[1] "%(count)s гадзіны таму"
+msgstr[2] "%(count)s гадзінаў таму"
+msgstr[3] "%(count)s гадзінаў таму"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s хвіліну таму"
+msgstr[1] "%(count)s хвіліны таму"
+msgstr[2] "%(count)s хвілінаў таму"
+msgstr[3] "%(count)s хвілінаў таму"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s сэкунду таму"
+msgstr[1] "%(count)s сэкунды таму"
+msgstr[2] "%(count)s сэкундаў таму"
+msgstr[3] "%(count)s сэкундаў таму"
+
+msgid "now"
+msgstr "зараз"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "праз %(count)s сэкунду"
+msgstr[1] "праз %(count)s сэкунды"
+msgstr[2] "праз %(count)s сэкундаў"
+msgstr[3] "праз %(count)s сэкундаў"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "праз %(count)s хвіліну"
+msgstr[1] "праз %(count)s хвіліны"
+msgstr[2] "праз %(count)s хвілінаў"
+msgstr[3] "праз %(count)s хвілінаў"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "праз %(count)s гадзіну"
+msgstr[1] "праз %(count)s гадзіны"
+msgstr[2] "праз %(count)s гадзінаў"
+msgstr[3] "праз %(count)s гадзінаў"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "праз %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d год"
+msgstr[1] "%(num)d гадоў"
+msgstr[2] "%(num)d гадоў"
+msgstr[3] "%(num)d гадоў"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месяц"
+msgstr[1] "%(num)d месяцаў"
+msgstr[2] "%(num)d месяцаў"
+msgstr[3] "%(num)d месяцаў"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d тыдзень"
+msgstr[1] "%(num)d тыдняў"
+msgstr[2] "%(num)d тыдняў"
+msgstr[3] "%(num)d тыдняў"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d дзень"
+msgstr[1] "%(num)d дзён"
+msgstr[2] "%(num)d дзён"
+msgstr[3] "%(num)d дзён"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d гадзіна"
+msgstr[1] "%(num)d гадзін"
+msgstr[2] "%(num)d гадзін"
+msgstr[3] "%(num)d гадзін"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d хвіліна"
+msgstr[1] "%(num)d хвілін"
+msgstr[2] "%(num)d хвілін"
+msgstr[3] "%(num)d хвілін"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d год"
+msgstr[1] "%(num)d гадоў"
+msgstr[2] "%(num)d гадоў"
+msgstr[3] "%(num)d гадоў"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месяц"
+msgstr[1] "%(num)d месяцаў"
+msgstr[2] "%(num)d месяцаў"
+msgstr[3] "%(num)d месяцаў"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d тыдзень"
+msgstr[1] "%(num)d тыдняў"
+msgstr[2] "%(num)d тыдняў"
+msgstr[3] "%(num)d тыдняў"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d дзень"
+msgstr[1] "%(num)d дзён"
+msgstr[2] "%(num)d дзён"
+msgstr[3] "%(num)d дзён"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d гадзіна"
+msgstr[1] "%(num)d гадзін"
+msgstr[2] "%(num)d гадзін"
+msgstr[3] "%(num)d гадзін"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d хвіліна"
+msgstr[1] "%(num)d хвілін"
+msgstr[2] "%(num)d хвілін"
+msgstr[3] "%(num)d хвілін"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..85cdff8f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a4f6ad66
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,332 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# arneatec <arneatec@gmail.com>, 2022
+# Georgi Kostadinov <grgkostadinov@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Todor Lubenov <tlubenov@gmail.com>, 2011,2015
+# Venelin Stoykov <vkstoykov@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-01-14 11:48+0000\n"
+"Last-Translator: arneatec <arneatec@gmail.com>\n"
+"Language-Team: Bulgarian (http://www.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Очовечаване"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}ти"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}ен"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ви"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}ри"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}ти"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}ти"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}ти"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}ти"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}ми"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}ми"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}ти"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s милион"
+msgstr[1] "%(value)s милиона"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s милиард"
+msgstr[1] "%(value)s милиарда"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s трилион"
+msgstr[1] "%(value)s трилиона"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s квадрилион"
+msgstr[1] "%(value)s квадрилиона"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s квинтилион"
+msgstr[1] "%(value)s квинтилиона"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s секстилион"
+msgstr[1] "%(value)s секстилиона"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s септилион"
+msgstr[1] "%(value)s септилиона"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s октилион"
+msgstr[1] "%(value)s октилиона"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s нонилион"
+msgstr[1] "%(value)s нонилиона"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s децилион"
+msgstr[1] "%(value)s децилиона"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s гугол"
+msgstr[1] "%(value)s гугола"
+
+msgid "one"
+msgstr "един"
+
+msgid "two"
+msgstr "два"
+
+msgid "three"
+msgstr "три"
+
+msgid "four"
+msgstr "четири"
+
+msgid "five"
+msgstr "пет"
+
+msgid "six"
+msgstr "шест"
+
+msgid "seven"
+msgstr "седем"
+
+msgid "eight"
+msgstr "осем"
+
+msgid "nine"
+msgstr "девет"
+
+msgid "today"
+msgstr "днес"
+
+msgid "tomorrow"
+msgstr "утре"
+
+msgid "yesterday"
+msgstr "вчера"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "преди %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "преди един час"
+msgstr[1] "преди %(count)s часа"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "преди минута"
+msgstr[1] "преди %(count)s минути"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "преди секунда"
+msgstr[1] "преди %(count)s секунди"
+
+msgid "now"
+msgstr "сега"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "след секунда"
+msgstr[1] "след %(count)s секунди"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "след минута"
+msgstr[1] "след %(count)s минути"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "след един час"
+msgstr[1] "след %(count)s часа"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "след %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d година"
+msgstr[1] "%(num)d години"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месец"
+msgstr[1] "%(num)d месеца"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d седмица"
+msgstr[1] "%(num)d седмици"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d ден"
+msgstr[1] "%(num)d дни"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d час"
+msgstr[1] "%(num)d часа"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минута"
+msgstr[1] "%(num)d минути"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d година"
+msgstr[1] "%(num)d години"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месец"
+msgstr[1] "%(num)d месеца"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d седмица"
+msgstr[1] "%(num)d седмици"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d ден"
+msgstr[1] "%(num)d дни"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d час"
+msgstr[1] "%(num)d часа"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минута"
+msgstr[1] "%(num)d минути"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..042122a7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2b60f57c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,263 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tahmid Rafi <rafi.tahmid@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Tahmid Rafi <rafi.tahmid@gmail.com>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "তম"
+
+msgid "st"
+msgstr "ম"
+
+msgid "nd"
+msgstr "য়"
+
+msgid "rd"
+msgstr "য়"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f মিলিয়ন"
+msgstr[1] "%(value).1f মিলিয়ন"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s মিলিয়ন"
+msgstr[1] "%(value)s মিলিয়ন"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f বিলিয়ন"
+msgstr[1] "%(value).1f বিলিয়ন"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s বিলিয়ন"
+msgstr[1] "%(value)s বিলিয়ন"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f ট্রিলিয়ন"
+msgstr[1] "%(value).1f ট্রিলিয়ন"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s ট্রিলিয়ন"
+msgstr[1] "%(value)s ট্রিলিয়ন"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s কোয়াড্রিলিয়ন"
+msgstr[1] "%(value)s কোয়াড্রিলিয়ন"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s কুইন্টিলিয়ন"
+msgstr[1] "%(value)s কুইন্টিলিয়ন"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s সেক্সটিলিয়ন"
+msgstr[1] "%(value)s সেক্সটিলিয়ন"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s সেপ্টিলিয়ন"
+msgstr[1] "%(value)s সেপ্টিলিয়ন"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s অক্টিলিয়ন"
+msgstr[1] "%(value)s অক্টিলিয়ন"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s ননিলিয়ন"
+msgstr[1] "%(value)s ননিলিয়ন"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s ডেসিলিয়ন"
+msgstr[1] "%(value)s ডেসিলিয়ন"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s গোগোল"
+msgstr[1] "%(value)s গোগোল"
+
+msgid "one"
+msgstr "এক"
+
+msgid "two"
+msgstr "দুই"
+
+msgid "three"
+msgstr "তিন"
+
+msgid "four"
+msgstr "চার"
+
+msgid "five"
+msgstr "পাঁচ"
+
+msgid "six"
+msgstr "ছয়"
+
+msgid "seven"
+msgstr "সাত"
+
+msgid "eight"
+msgstr "আট"
+
+msgid "nine"
+msgstr "নয়"
+
+msgid "today"
+msgstr "আজ"
+
+msgid "tomorrow"
+msgstr "আগামীকাল"
+
+msgid "yesterday"
+msgstr "গতকাল"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s আগে"
+
+msgid "now"
+msgstr "এখন"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "এক সেকেন্ড আগে"
+msgstr[1] "%(count)s সেকেন্ড আগে"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "এক মিনিট আগে"
+msgstr[1] "%(count)s মিনিট আগে"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "এক ঘন্টা আগে"
+msgstr[1] "%(count)s  ঘন্টা আগে"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "এখন থেকে %(delta)s পরে"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "এখন থেকে এক সেকেন্ড পরে"
+msgstr[1] "এখন থেকে %(count)s সেকেন্ড পরে"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "এখন থেকে এক মিনিট পরে"
+msgstr[1] "এখন থেকে %(count)s মিনিট পরে"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "এখন থেকে এক ঘন্টা পরে"
+msgstr[1] "এখন থেকে %(count)s ঘন্টা পরে"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e45c05ae
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/br/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8f857452
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,517 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fulup <fulup.jakez@gmail.com>, 2012,2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-09-29 08:30+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "Humanize"
+msgstr "Denelaat"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milion"
+msgstr[1] "%(value).1f milion"
+msgstr[2] "%(value).1f milion"
+msgstr[3] "%(value).1f milion"
+msgstr[4] "%(value).1f milion"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s million"
+msgstr[2] "%(value)s million"
+msgstr[3] "%(value)s million"
+msgstr[4] "%(value)s million"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f miliard"
+msgstr[1] "%(value).1f miliard"
+msgstr[2] "%(value).1f miliard"
+msgstr[3] "%(value).1f miliard"
+msgstr[4] "%(value).1f miliard"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliard"
+msgstr[1] "%(value)s miliard"
+msgstr[2] "%(value)s miliard"
+msgstr[3] "%(value)s miliard"
+msgstr[4] "%(value)s miliard"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f bilion"
+msgstr[1] "%(value).1f bilion"
+msgstr[2] "%(value).1f bilion"
+msgstr[3] "%(value).1f bilion"
+msgstr[4] "%(value).1f bilion"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s bilion"
+msgstr[1] "%(value)s bilion"
+msgstr[2] "%(value)s bilion"
+msgstr[3] "%(value)s bilion"
+msgstr[4] "%(value)s bilion"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f c'hadrilion"
+msgstr[1] "%(value).1f kadrilion"
+msgstr[2] "%(value).1f kadrilion"
+msgstr[3] "%(value).1f kadrilion"
+msgstr[4] "%(value).1f kadrilion"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s c'hadrilion"
+msgstr[1] "%(value)s kadrilion"
+msgstr[2] "%(value)s kadrilion"
+msgstr[3] "%(value)s kadrilion"
+msgstr[4] "%(value)s kadrilion"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f c'hintilion"
+msgstr[1] "%(value).1f kintilion"
+msgstr[2] "%(value).1f kintilion"
+msgstr[3] "%(value).1f kintilion"
+msgstr[4] "%(value).1f kintilion"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s c'hintilion"
+msgstr[1] "%(value)s kintilion"
+msgstr[2] "%(value)s kintilion"
+msgstr[3] "%(value)s kintilion"
+msgstr[4] "%(value)s kintilion"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sekstilion"
+msgstr[1] "%(value).1f sekstilion"
+msgstr[2] "%(value).1f sekstilion"
+msgstr[3] "%(value).1f sekstilion"
+msgstr[4] "%(value).1f sekstilion"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstilion"
+msgstr[1] "%(value)s sekstilion"
+msgstr[2] "%(value)s sekstilion"
+msgstr[3] "%(value)s sekstilion"
+msgstr[4] "%(value)s sekstilion"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septilion"
+msgstr[1] "%(value).1f septilion"
+msgstr[2] "%(value).1f septilion"
+msgstr[3] "%(value).1f septilion"
+msgstr[4] "%(value).1f septilion"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilion"
+msgstr[1] "%(value)s septilion"
+msgstr[2] "%(value)s septilion"
+msgstr[3] "%(value)s septilion"
+msgstr[4] "%(value)s septilion"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f oktilion"
+msgstr[1] "%(value).1f oktilion"
+msgstr[2] "%(value).1f oktilion"
+msgstr[3] "%(value).1f oktilion"
+msgstr[4] "%(value).1f oktilion"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktilion"
+msgstr[1] "%(value)s oktilion"
+msgstr[2] "%(value)s oktilion"
+msgstr[3] "%(value)s oktilion"
+msgstr[4] "%(value)s oktilion"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonilion"
+msgstr[1] "%(value).1f nonilion"
+msgstr[2] "%(value).1f nonilion"
+msgstr[3] "%(value).1f nonilion"
+msgstr[4] "%(value).1f nonilion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilion"
+msgstr[1] "%(value)s nonilion"
+msgstr[2] "%(value)s nonilion"
+msgstr[3] "%(value)s nonilion"
+msgstr[4] "%(value)s nonilion"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f dekilion"
+msgstr[1] "%(value).1f dekilion"
+msgstr[2] "%(value).1f dekilion"
+msgstr[3] "%(value).1f dekilion"
+msgstr[4] "%(value).1f dekilion"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s dekilion"
+msgstr[1] "%(value)s dekilion"
+msgstr[2] "%(value)s dekilion"
+msgstr[3] "%(value)s dekilion"
+msgstr[4] "%(value)s dekilion"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f gogol"
+msgstr[1] "%(value).1f gogol"
+msgstr[2] "%(value).1f gogol"
+msgstr[3] "%(value).1f gogol"
+msgstr[4] "%(value).1f gogol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gogol"
+msgstr[1] "%(value)s gogol"
+msgstr[2] "%(value)s gogol"
+msgstr[3] "%(value)s gogol"
+msgstr[4] "%(value)s gogol"
+
+msgid "one"
+msgstr "unan"
+
+msgid "two"
+msgstr "daou"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "pevar"
+
+msgid "five"
+msgstr "pemp"
+
+msgid "six"
+msgstr "c'hwec'h"
+
+msgid "seven"
+msgstr "seizh"
+
+msgid "eight"
+msgstr "eizh"
+
+msgid "nine"
+msgstr "nav"
+
+msgid "today"
+msgstr "hiziv"
+
+msgid "tomorrow"
+msgstr "warc'hoazh"
+
+msgid "yesterday"
+msgstr "dec'h"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s eurvezh zo"
+msgstr[1] "%(count)s eurvezh zo"
+msgstr[2] "%(count)s eurvezh zo"
+msgstr[3] "%(count)s eurvezh zo"
+msgstr[4] "%(count)s eurvezh zo"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s munud zo"
+msgstr[1] "%(count)s munud zo"
+msgstr[2] "%(count)s munud zo"
+msgstr[3] "%(count)s munud zo"
+msgstr[4] "%(count)s munud zo"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s eilenn zo"
+msgstr[1] "%(count)s eilenn zo"
+msgstr[2] "%(count)s eilenn zo"
+msgstr[3] "%(count)s eilenn zo"
+msgstr[4] "%(count)s eilenn zo"
+
+msgid "now"
+msgstr "bremañ"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "a-benn %(count)s eilenn"
+msgstr[1] "a-benn %(count)s eilenn"
+msgstr[2] "a-benn %(count)s eilenn"
+msgstr[3] "a-benn %(count)s eilenn"
+msgstr[4] "a-benn %(count)s eilenn"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "a-benn %(count)s munud"
+msgstr[1] "a-benn %(count)s munud"
+msgstr[2] "a-benn %(count)s munud"
+msgstr[3] "a-benn %(count)s munud"
+msgstr[4] "a-benn %(count)s munud"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "a-benn %(count)s eurvezh"
+msgstr[1] "a-benn %(count)s eurvezh"
+msgstr[2] "a-benn %(count)s eurvezh"
+msgstr[3] "a-benn %(count)s eurvezh"
+msgstr[4] "a-benn %(count)s eurvezh"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b3a76479
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..51108e9c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,292 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Filip Dupanović <filip.dupanovic@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "-i"
+
+msgid "st"
+msgstr "-vi"
+
+msgid "nd"
+msgstr "-i"
+
+msgid "rd"
+msgstr "-i"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f million"
+msgstr[1] "%(value).1f miliona"
+msgstr[2] "%(value).1f miliona"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f milijarda"
+msgstr[1] "%(value).1f milijarde"
+msgstr[2] "%(value).1f milijardi"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f bilion"
+msgstr[1] "%(value).1f biliona"
+msgstr[2] "%(value).1f biliona"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "one"
+msgstr "jedan"
+
+msgid "two"
+msgstr "dva"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "četiri"
+
+msgid "five"
+msgstr "pet"
+
+msgid "six"
+msgstr "šest"
+
+msgid "seven"
+msgstr "sedam"
+
+msgid "eight"
+msgstr "osam"
+
+msgid "nine"
+msgstr "devet"
+
+msgid "today"
+msgstr "deset"
+
+msgid "tomorrow"
+msgstr "sutra"
+
+msgid "yesterday"
+msgstr "jučer"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..348f9208
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ca/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4befcc63
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,332 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2011-2012,2019,2021
+# Carles Barrobés <carles@barrobes.com>, 2011,2014
+# GerardoGa <ggarciamaristany@gmail.com>, 2018
+# Gil Obradors Via <gil.obradors@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-10-27 09:05+0000\n"
+"Last-Translator: Antoni Aloy <aaloy@apsl.net>\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanitzar"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}è"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}è"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}r"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}n"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}r"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}è"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}è"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}è"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}è"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}è"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}è"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milió"
+msgstr[1] "%(value)s milions"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliard"
+msgstr[1] "%(value)s miliards"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s bilió"
+msgstr[1] "%(value)s bilió"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrilió"
+msgstr[1] "%(value)s quadrilions"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintilió"
+msgstr[1] "%(value)s quintilions"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextilió"
+msgstr[1] "%(value)s sextilions"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilió"
+msgstr[1] "%(value)s septilions"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octilió"
+msgstr[1] "%(value)s octilions"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilió"
+msgstr[1] "%(value)s nonilions"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decilió"
+msgstr[1] "%(value)s decilions"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googols"
+
+msgid "one"
+msgstr "un"
+
+msgid "two"
+msgstr "dos"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "quatre"
+
+msgid "five"
+msgstr "cinc"
+
+msgid "six"
+msgstr "sis"
+
+msgid "seven"
+msgstr "set"
+
+msgid "eight"
+msgstr "vuit"
+
+msgid "nine"
+msgstr "nou"
+
+msgid "today"
+msgstr "avui"
+
+msgid "tomorrow"
+msgstr "demà"
+
+msgid "yesterday"
+msgstr "ahir"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "Fa %(delta)s "
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "fa una hora"
+msgstr[1] "fa %(count)s hores"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "fa un minut"
+msgstr[1] "fa %(count)s minuts"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "fa un segon"
+msgstr[1] "fa %(count)s segons"
+
+msgid "now"
+msgstr "ara"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "d'aquí a un segon"
+msgstr[1] "d'aquí a %(count)s segons"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "d'aquí a un minut"
+msgstr[1] "d'aquí a %(count)s minuts"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "d'aquí a una hora"
+msgstr[1] "d'aquí a %(count)s hores"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "fa %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d any"
+msgstr[1] "%(num)d anys"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d mesos"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d setmana"
+msgstr[1] "%(num)d setmanes"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dia"
+msgstr[1] "%(num)d dies"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d hores"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minuts"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d any"
+msgstr[1] "%(num)d anys"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d mesos"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d setmana"
+msgstr[1] "%(num)d setmanes"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dia"
+msgstr[1] "%(num)d dies"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d hores"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minuts"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e087c72b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ckb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..40e3e604
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,329 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# kosar tofiq <kosar.belana@gmail.com>, 2020
+# Swara <swara09@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2023-04-24 18:40+0000\n"
+"Last-Translator: Swara <swara09@gmail.com>, 2022\n"
+"Language-Team: Central Kurdish (http://www.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "بەمرۆڤایەتیکردن"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "‫{}th"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "‫{}th"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "‫{}st"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "‫{}nd"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "‫{}rd"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "‫{}th"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "‫{}th"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "‫{}th"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "‫{}th"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "‫{}th"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "‫{}th"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s ملیۆن"
+msgstr[1] "%(value)s ملیۆن"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "‫%(value)s بلیۆن"
+msgstr[1] "‫%(value)s بلیۆن"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "‫%(value)s تریلۆن"
+msgstr[1] "‫%(value)s تریلۆن"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "‫%(value)s کوادرلیۆن"
+msgstr[1] "‫%(value)s کوادرلیۆن"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "‫%(value)s کوینترلیۆن"
+msgstr[1] "‫%(value)s کوینترلیۆن"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "‫%(value)s شەش تریلۆن"
+msgstr[1] "‫%(value)s شەش تریلۆن"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "‫%(value)s سێپتریلۆن"
+msgstr[1] "‫%(value)s سێپتریلۆن"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "‫%(value)s ئۆکتریلیۆن"
+msgstr[1] "‫%(value)s ئۆکتریلیۆن"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "‫%(value)s نۆنتریلۆن"
+msgstr[1] "‫%(value)s نۆنتریلۆن"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "‫%(value)s دێستریلیۆن"
+msgstr[1] "‫%(value)s دێستریلیۆن"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "‫%(value)s گوگۆڵ"
+msgstr[1] "‫%(value)s گوگۆڵ"
+
+msgid "one"
+msgstr "یەک"
+
+msgid "two"
+msgstr "دوو"
+
+msgid "three"
+msgstr "سێ"
+
+msgid "four"
+msgstr "چوار"
+
+msgid "five"
+msgstr "پێنج"
+
+msgid "six"
+msgstr "شەش"
+
+msgid "seven"
+msgstr "حەوت"
+
+msgid "eight"
+msgstr "هەشت"
+
+msgid "nine"
+msgstr "نۆ"
+
+msgid "today"
+msgstr "ئەمڕۆ"
+
+msgid "tomorrow"
+msgstr "سبەینێ"
+
+msgid "yesterday"
+msgstr "دوێنێ"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s پێشتر"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "کاتژمێرێک پێشتر"
+msgstr[1] "‫%(count)s کاتژمێر پێشتر"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "خولەکێک پێشتر"
+msgstr[1] "‫%(count)s خولەک پێشتر"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "چرکەیەک پێشتر"
+msgstr[1] "‫%(count)s چرکە پێشتر"
+
+msgid "now"
+msgstr "ئێستا"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "چرکەیەک لە ئێستاوە"
+msgstr[1] "‫%(count)s چرکە لە ئێستاوە"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "خولەکێک لە ئێستاوە"
+msgstr[1] "‫%(count)s خولەک لە ئێستاوە"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "کاتژمێرێک لە ئێستاوە"
+msgstr[1] "‫%(count)s کاتژمێر لە ئێستاوە"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s لە ئێستاوە"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "‫%(num)d ساڵ"
+msgstr[1] "‫%(num)d ساڵ"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "‫%(num)d مانگ"
+msgstr[1] "‫%(num)d مانگ"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "‫%(num)d هەفتە"
+msgstr[1] "‫%(num)d هەفتە"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "‫%(num)d ڕۆژ"
+msgstr[1] "‫%(num)d ڕۆژ"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "‫%(num)d کاتژمێر"
+msgstr[1] "‫%(num)d کاتژمێر"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "‫%(num)d خولەک"
+msgstr[1] "‫%(num)d خولەک"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "‫%(num)d ساڵ"
+msgstr[1] "‫%(num)d ساڵ"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "‫%(num)d مانگ"
+msgstr[1] "‫%(num)d مانگ"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "‫%(num)d هەفتە"
+msgstr[1] "‫%(num)d هەفتە"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "‫%(num)d ڕۆژ"
+msgstr[1] "‫%(num)d ڕۆژ"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "‫%(num)d کاتژمێر"
+msgstr[1] "‫%(num)d کاتژمێر"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "‫%(num)d خولەک"
+msgstr[1] "‫%(num)d خولەک"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4b462229
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f61b7e51
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,388 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2011,2014
+# Vláďa Macek <macek@sandbox.cz>, 2018,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-18 23:35+0000\n"
+"Last-Translator: Vláďa Macek <macek@sandbox.cz>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Humanize"
+msgstr "Polidštění"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] " %(value)s milion"
+msgstr[1] " %(value)s miliony"
+msgstr[2] " %(value)s milionů"
+msgstr[3] " %(value)s milionů"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliarda"
+msgstr[1] "%(value)s miliardy"
+msgstr[2] "%(value)s miliard"
+msgstr[3] "%(value)s miliard"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s bilion"
+msgstr[1] "%(value)s biliony"
+msgstr[2] "%(value)s bilionů"
+msgstr[3] "%(value)s bilionů"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s biliarda"
+msgstr[1] "%(value)s biliardy"
+msgstr[2] "%(value)s biliard"
+msgstr[3] "%(value)s biliard"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trilion"
+msgstr[1] "%(value)s triliony"
+msgstr[2] "%(value)s trilionů"
+msgstr[3] "%(value)s trilionů"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s triliarda"
+msgstr[1] "%(value)s triliardy"
+msgstr[2] "%(value)s triliard"
+msgstr[3] "%(value)s triliard"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kvadrilion"
+msgstr[1] "%(value)s kvadriliony"
+msgstr[2] "%(value)s kvadrilionů"
+msgstr[3] "%(value)s kvadrilionů"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kvadriliarda"
+msgstr[1] "%(value)s kvadriliardy"
+msgstr[2] "%(value)s kvadriliard"
+msgstr[3] "%(value)s kvadriliard"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kvintilion"
+msgstr[1] "%(value)s kvintiliony"
+msgstr[2] "%(value)s kvintilionů"
+msgstr[3] "%(value)s kvintilionů"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kvintiliarda"
+msgstr[1] "%(value)s kvintiliardy"
+msgstr[2] "%(value)s kvintiliard"
+msgstr[3] "%(value)s kvintiliard"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googoly"
+msgstr[2] "%(value)s googolů"
+msgstr[3] "%(value)s googolů"
+
+msgid "one"
+msgstr "jedna"
+
+msgid "two"
+msgstr "dvě"
+
+msgid "three"
+msgstr "tři"
+
+msgid "four"
+msgstr "čtyři"
+
+msgid "five"
+msgstr "pět"
+
+msgid "six"
+msgstr "šest"
+
+msgid "seven"
+msgstr "sedm"
+
+msgid "eight"
+msgstr "osm"
+
+msgid "nine"
+msgstr "devět"
+
+msgid "today"
+msgstr "dnes"
+
+msgid "tomorrow"
+msgstr "zítra"
+
+msgid "yesterday"
+msgstr "včera"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "před %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "před hodinou"
+msgstr[1] "před %(count)s hodinami"
+msgstr[2] "o %(count)s hodin dříve"
+msgstr[3] "před %(count)s hodinami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "před minutou"
+msgstr[1] "před %(count)s minutami"
+msgstr[2] "o %(count)s minuty dříve"
+msgstr[3] "před %(count)s minutami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "před sekundou"
+msgstr[1] "před %(count)s sekundami"
+msgstr[2] "o %(count)s sekundy dříve"
+msgstr[3] "před %(count)s sekundami"
+
+msgid "now"
+msgstr "nyní"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "za sekundu"
+msgstr[1] "za %(count)s sekundy"
+msgstr[2] "za %(count)s sekundy"
+msgstr[3] "za %(count)s sekund"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "za minutu"
+msgstr[1] "za %(count)s minuty"
+msgstr[2] "za %(count)s minuty"
+msgstr[3] "za %(count)s minut"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "za hodinu"
+msgstr[1] "za %(count)s hodiny"
+msgstr[2] "za %(count)s hodiny"
+msgstr[3] "za %(count)s hodin"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "za %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d rokem"
+msgstr[1] "%(num)d lety"
+msgstr[2] "%(num)d rokem"
+msgstr[3] "%(num)d lety"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d měsícem"
+msgstr[1] "%(num)d měsíci"
+msgstr[2] "%(num)d měsícem"
+msgstr[3] "%(num)d měsíci"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d týdnem"
+msgstr[1] "%(num)d týdny"
+msgstr[2] "%(num)d týdny"
+msgstr[3] "%(num)d týdny"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dnem"
+msgstr[1] "%(num)d dny"
+msgstr[2] "%(num)d dny"
+msgstr[3] "%(num)d dny"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hodinou"
+msgstr[1] "%(num)d hodinami"
+msgstr[2] "%(num)d hodinami"
+msgstr[3] "%(num)d hodinami"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minutou"
+msgstr[1] "%(num)d minutami"
+msgstr[2] "%(num)d minutami"
+msgstr[3] "%(num)d minutami"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d rok"
+msgstr[1] "%(num)d roky"
+msgstr[2] "%(num)d let"
+msgstr[3] "%(num)d let"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d měsíc"
+msgstr[1] "%(num)d měsíce"
+msgstr[2] "%(num)d měsíců"
+msgstr[3] "%(num)d měsíců"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d týden"
+msgstr[1] "%(num)d týdny"
+msgstr[2] "%(num)d týdnů"
+msgstr[3] "%(num)d týdnů"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d den"
+msgstr[1] "%(num)d dny"
+msgstr[2] "%(num)d dní"
+msgstr[3] "%(num)d dní"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hodina"
+msgstr[1] "%(num)d hodiny"
+msgstr[2] "%(num)d hodin"
+msgstr[3] "%(num)d hodin"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuta"
+msgstr[1] "%(num)d minuty"
+msgstr[2] "%(num)d minut"
+msgstr[3] "%(num)d minut"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..aceed480
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6dd10e89
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,318 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 19:21+0000\n"
+"Last-Translator: Maredudd ap Gwyndaf <maredudd@maredudd.com>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Humanize"
+msgstr "Dynoli"
+
+msgid "th"
+msgstr "edd"
+
+msgid "st"
+msgstr "af"
+
+msgid "nd"
+msgstr "ail"
+
+msgid "rd"
+msgstr "ydd"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f miliwn"
+msgstr[1] "%(value).1f miliwn"
+msgstr[2] "%(value).1f miliwn"
+msgstr[3] "%(value).1f miliwn"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s miliwn"
+msgstr[1] "%(value)s miliwn"
+msgstr[2] "%(value)s miliwn"
+msgstr[3] "%(value)s miliwn"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f biliwn"
+msgstr[1] "%(value).1f biliwn"
+msgstr[2] "%(value).1f biliwn"
+msgstr[3] "%(value).1f biliwn"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s biliwn"
+msgstr[1] "%(value)s biliwn"
+msgstr[2] "%(value)s biliwn"
+msgstr[3] "%(value)s biliwn"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f triliwn"
+msgstr[1] "%(value).1f triliwn"
+msgstr[2] "%(value).1f triliwn"
+msgstr[3] "%(value).1f triliwn"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s triliwn"
+msgstr[1] "%(value)s triliwn"
+msgstr[2] "%(value)s triliwn"
+msgstr[3] "%(value)s triliwn"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f cwadriliwn"
+msgstr[1] "%(value).1f cwadriliwn"
+msgstr[2] "%(value).1f cwadriliwn"
+msgstr[3] "%(value).1f cwadriliwn"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s cwadriliwn"
+msgstr[1] "%(value)s cwadriliwn"
+msgstr[2] "%(value)s cwadriliwn"
+msgstr[3] "%(value)s cwadriliwn"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f cwintiliwn"
+msgstr[1] "%(value).1f cwintiliwn"
+msgstr[2] "%(value).1f cwintiliwn"
+msgstr[3] "%(value).1f cwintiliwn"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s cwintiliwn"
+msgstr[1] "%(value)s cwintiliwn"
+msgstr[2] "%(value)s cwintiliwn"
+msgstr[3] "%(value)s cwintiliwn"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f secstiliwnfm"
+msgstr[1] "%(value).1f secstiliwnfm"
+msgstr[2] "%(value).1f secstiliwnfm"
+msgstr[3] "%(value).1f secstiliwnfm"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s secstiliwn"
+msgstr[1] "%(value)s secstiliwn"
+msgstr[2] "%(value)s secstiliwn"
+msgstr[3] "%(value)s secstiliwn"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septiliwn"
+msgstr[1] "%(value).1f septiliwn"
+msgstr[2] "%(value).1f septiliwn"
+msgstr[3] "%(value).1f septiliwn"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septiliwn"
+msgstr[1] "%(value)s septiliwn"
+msgstr[2] "%(value)s septiliwn"
+msgstr[3] "%(value)s septiliwn"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octiliwn"
+msgstr[1] "%(value).1f octiliwn"
+msgstr[2] "%(value).1f octiliwn"
+msgstr[3] "%(value).1f octiliwn"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octiliwn"
+msgstr[1] "%(value)s octiliwn"
+msgstr[2] "%(value)s octiliwn"
+msgstr[3] "%(value)s octiliwn"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f noniliwn"
+msgstr[1] "%(value).1f noniliwn"
+msgstr[2] "%(value).1f noniliwn"
+msgstr[3] "%(value).1f noniliwn"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s noniliwn"
+msgstr[1] "%(value)s noniliwn"
+msgstr[2] "%(value)s noniliwn"
+msgstr[3] "%(value)s noniliwn"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f dengiliwn"
+msgstr[1] "%(value).1f dengiliwn"
+msgstr[2] "%(value).1f dengiliwn"
+msgstr[3] "%(value).1f dengiliwn"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s dengiliwn"
+msgstr[1] "%(value)s dengiliwn"
+msgstr[2] "%(value)s dengiliwn"
+msgstr[3] "%(value)s dengiliwn"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f gwgol"
+msgstr[1] "%(value).1f gwgol"
+msgstr[2] "%(value).1f gwgol"
+msgstr[3] "%(value).1f gwgol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gwgol"
+msgstr[1] "%(value)s gwgol"
+msgstr[2] "%(value)s gwgol"
+msgstr[3] "%(value)s gwgol"
+
+msgid "one"
+msgstr "un"
+
+msgid "two"
+msgstr "dau"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "pedwar"
+
+msgid "five"
+msgstr "pump"
+
+msgid "six"
+msgstr "chwech"
+
+msgid "seven"
+msgstr "saith"
+
+msgid "eight"
+msgstr "wyth"
+
+msgid "nine"
+msgstr "naw"
+
+msgid "today"
+msgstr "heddiw"
+
+msgid "tomorrow"
+msgstr "fory"
+
+msgid "yesterday"
+msgstr "ddoe"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s yn ôl"
+
+msgid "now"
+msgstr "nawr"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "un eiliad yn ôl"
+msgstr[1] "%(count)s eiliad yn ôl"
+msgstr[2] "%(count)s eiliad yn ôl"
+msgstr[3] "%(count)s eiliad yn ôl"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "un munud yn ôl"
+msgstr[1] "%(count)s munud yn ôl"
+msgstr[2] "%(count)s munud yn ôl"
+msgstr[3] "%(count)s munud yn ôl"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "un awr yn ôl"
+msgstr[1] "%(count)s awr yn ôl"
+msgstr[2] "%(count)s awr yn ôl"
+msgstr[3] "%(count)s awr yn ôl"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s o nawr"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "un eiliad o nawr"
+msgstr[1] "%(count)s eiliad o nawr"
+msgstr[2] "%(count)s eiliad o nawr"
+msgstr[3] "%(count)s eiliad o nawr"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "un munud o nawr"
+msgstr[1] "%(count)s funud o nawr"
+msgstr[2] "%(count)s munud o nawr"
+msgstr[3] "%(count)s munud o nawr"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "un awr o nawr"
+msgstr[1] "%(count)s awr o nawr"
+msgstr[2] "%(count)s awr o nawr"
+msgstr[3] "%(count)s awr o nawr"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bb8cd61a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/da/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8ad82a0d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,331 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Christian Joergensen <christian@gmta.info>, 2012
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2021
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2014,2018
+# Jannis Leidel <jannis@leidel.info>, 2011
+# valberg <valberg@orn.li>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-23 21:30+0000\n"
+"Last-Translator: Erik Ramsgaard Wognsen <r4mses@gmail.com>\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Menneskeliggør"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s millioner"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milliard"
+msgstr[1] "%(value)s milliarder"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billion"
+msgstr[1] "%(value)s billioner"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s billiard"
+msgstr[1] "%(value)s billiarder"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trillion"
+msgstr[1] "%(value)s trillioner"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s trilliard"
+msgstr[1] "%(value)s trilliarder"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kvadrillion"
+msgstr[1] "%(value)s kvadrillioner"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kvadrilliard"
+msgstr[1] "%(value)s kvadrilliarder"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kvintillion"
+msgstr[1] "%(value)s kvintillioner"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kvintilliard"
+msgstr[1] "%(value)s kvintilliarder"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gogol"
+msgstr[1] "%(value)s gogoler"
+
+msgid "one"
+msgstr "en"
+
+msgid "two"
+msgstr "to"
+
+msgid "three"
+msgstr "tre"
+
+msgid "four"
+msgstr "fire"
+
+msgid "five"
+msgstr "fem"
+
+msgid "six"
+msgstr "seks"
+
+msgid "seven"
+msgstr "syv"
+
+msgid "eight"
+msgstr "otte"
+
+msgid "nine"
+msgstr "ni"
+
+msgid "today"
+msgstr "i dag"
+
+msgid "tomorrow"
+msgstr "i morgen"
+
+msgid "yesterday"
+msgstr "i går"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s siden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "en time siden"
+msgstr[1] "%(count)s timer siden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "et minut siden"
+msgstr[1] "%(count)s minutter siden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "et sekund siden"
+msgstr[1] "%(count)s sekunder siden"
+
+msgid "now"
+msgstr "nu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "om et sekund"
+msgstr[1] "om %(count)s sekunder"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "om et minut"
+msgstr[1] "om %(count)s minutter"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "om en time"
+msgstr[1] "om %(count)s timer"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s fra nu af"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d måned"
+msgstr[1] "%(num)d måneder"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d uge"
+msgstr[1] "%(num)d uger"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dage"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d time"
+msgstr[1] "%(num)d timer"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minutter"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d måned"
+msgstr[1] "%(num)d måneder"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d uge"
+msgstr[1] "%(num)d uger"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dage"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d time"
+msgstr[1] "%(num)d timer"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minutter"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..df46d3cd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1fa0a64a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,330 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Hagenbruch, 2011
+# Claude Paroz <claude@2xlibre.net>, 2013
+# Florian Apolloner <florian@apolloner.eu>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011,2013-2014,2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-11-28 17:20+0000\n"
+"Last-Translator: Raphael Michel <mail@raphaelmichel.de>\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanize"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s Million"
+msgstr[1] "%(value)s Millionen"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s Milliarde"
+msgstr[1] "%(value)s Milliarden"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s Billion"
+msgstr[1] "%(value)s Billionen"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s Billiarde"
+msgstr[1] "%(value)s Billiarden"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s Trillion"
+msgstr[1] "%(value)s Trillionen"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s Trilliarde"
+msgstr[1] "%(value)s Trilliarden"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s Quadrillion"
+msgstr[1] "%(value)s Quadrillionen"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s Quadrilliarde"
+msgstr[1] "%(value)s Quadrilliarden"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s Quintillion"
+msgstr[1] "%(value)s Quintillionen"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s Quintilliarde"
+msgstr[1] "%(value)s Quintilliarden"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s Sedezilliarde"
+msgstr[1] "%(value)s Sedezilliarden"
+
+msgid "one"
+msgstr "eins"
+
+msgid "two"
+msgstr "zwei"
+
+msgid "three"
+msgstr "drei"
+
+msgid "four"
+msgstr "vier"
+
+msgid "five"
+msgstr "fünf"
+
+msgid "six"
+msgstr "sechs"
+
+msgid "seven"
+msgstr "sieben"
+
+msgid "eight"
+msgstr "acht"
+
+msgid "nine"
+msgstr "neun"
+
+msgid "today"
+msgstr "heute"
+
+msgid "tomorrow"
+msgstr "morgen"
+
+msgid "yesterday"
+msgstr "gestern"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s her"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "vor einer Stunde"
+msgstr[1] "vor %(count)s Stunden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "vor einer Minute"
+msgstr[1] "vor %(count)s Minuten"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "vor einer Sekunde"
+msgstr[1] "vor %(count)s Sekunden"
+
+msgid "now"
+msgstr "jetzt"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "in einer Sekunde"
+msgstr[1] "in %(count)s Sekunden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "in einer Minute"
+msgstr[1] "in %(count)s Minuten"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "in einer Stunde"
+msgstr[1] "in %(count)s Stunden"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s von jetzt an"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d Jahr"
+msgstr[1] "%(num)d Jahre"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d Monat"
+msgstr[1] "%(num)d Monate"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d Woche"
+msgstr[1] "%(num)d Wochen"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d Tage"
+msgstr[1] "%(num)d Tage"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d Stunde"
+msgstr[1] "%(num)d Stunden"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d Minute"
+msgstr[1] "%(num)d Minuten"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d Jahr"
+msgstr[1] "%(num)d Jahre"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d Monat"
+msgstr[1] "%(num)d Monate"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d Woche"
+msgstr[1] "%(num)d Wochen"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d Tag"
+msgstr[1] "%(num)d Tage"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d Stunde"
+msgstr[1] "%(num)d Stunden"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d Minute"
+msgstr[1] "%(num)d Minuten"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bbd98219
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..11ab238f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,387 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2018,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-28 19:07+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Humanize"
+msgstr "Humanize"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milion"
+msgstr[1] "%(value)s miliona"
+msgstr[2] "%(value)s miliony"
+msgstr[3] "%(value)s milionow"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliarda"
+msgstr[1] "%(value)s miliarźe"
+msgstr[2] "%(value)s miliardy"
+msgstr[3] "%(value)s miliardow"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s bilion"
+msgstr[1] "%(value)s biliona"
+msgstr[2] "%(value)s biliony"
+msgstr[3] "%(value)s bilionow"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s biliarda"
+msgstr[1] "%(value)s biliarźe"
+msgstr[2] "%(value)s biliardy"
+msgstr[3] "%(value)s biliardow"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trilion"
+msgstr[1] "%(value)s triliona"
+msgstr[2] "%(value)s triliony"
+msgstr[3] "%(value)s trilionow"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s triliarda"
+msgstr[1] "%(value)s triliarźe"
+msgstr[2] "%(value)s triliardy"
+msgstr[3] "%(value)s triliardow"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kwadrilion"
+msgstr[1] "%(value)s kwadriliona"
+msgstr[2] "%(value)s kwadriliony"
+msgstr[3] "%(value)s kwadrilionow"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kwadriliarda"
+msgstr[1] "%(value)s kwadriliarźe"
+msgstr[2] "%(value)s kwadriliardy"
+msgstr[3] "%(value)s kwadriliardow"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kwintilion"
+msgstr[1] "%(value)s kwintiliona"
+msgstr[2] "%(value)s kwintiliony"
+msgstr[3] "%(value)s kwintilionow"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kwintiliarda"
+msgstr[1] "%(value)s kwintiliarźe"
+msgstr[2] "%(value)s kwintiliardy"
+msgstr[3] "%(value)s kwintiliardow"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s sedeciliarda"
+msgstr[1] "%(value)s sedeciliarźe"
+msgstr[2] "%(value)s sedeciliardy"
+msgstr[3] "%(value)s sedeciliardow"
+
+msgid "one"
+msgstr "jaden"
+
+msgid "two"
+msgstr "dwa"
+
+msgid "three"
+msgstr "tśi"
+
+msgid "four"
+msgstr "styri"
+
+msgid "five"
+msgstr "pěś"
+
+msgid "six"
+msgstr "šesć"
+
+msgid "seven"
+msgstr "sedym"
+
+msgid "eight"
+msgstr "wósym"
+
+msgid "nine"
+msgstr "źewjeś"
+
+msgid "today"
+msgstr "źinsa"
+
+msgid "tomorrow"
+msgstr "witśe"
+
+msgid "yesterday"
+msgstr "cora"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "pśed %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "Pśed %(count)s góźinu"
+msgstr[1] "Pśed %(count)s góźinoma"
+msgstr[2] "Pśed %(count)s góźinami"
+msgstr[3] "Pśed %(count)s góźinami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "Pśed %(count)s minutu"
+msgstr[1] "Pśed %(count)s minutoma"
+msgstr[2] "Pśed %(count)s minutami"
+msgstr[3] "Pśed %(count)s minutami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "Pśed %(count)s sekundu"
+msgstr[1] "Pśed %(count)s sekundoma"
+msgstr[2] "Pśed %(count)s sekundami"
+msgstr[3] "Pśed %(count)s sekundami"
+
+msgid "now"
+msgstr "něnto"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "za %(count)s sekundu"
+msgstr[1] "za %(count)s sekunźe"
+msgstr[2] "za %(count)s sekundy"
+msgstr[3] "za %(count)s sekundow"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "za %(count)s minutu"
+msgstr[1] "za %(count)s minuśe"
+msgstr[2] "za %(count)s minuty"
+msgstr[3] "za %(count)s minutow"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "za %(count)s góźinu"
+msgstr[1] "za %(count)s góźinje"
+msgstr[2] "za %(count)s góźiny"
+msgstr[3] "za %(count)s góźin"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s wótněnta"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d lěto"
+msgstr[1] "%(num)d lěśe"
+msgstr[2] "%(num)d lěta"
+msgstr[3] "%(num)d lět"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mjasec"
+msgstr[1] "%(num)d mjaseca"
+msgstr[2] "%(num)d mjasece"
+msgstr[3] "%(num)dmjasecow"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d tyźeń"
+msgstr[1] "%(num)d tyźenja"
+msgstr[2] "%(num)d tyźenje"
+msgstr[3] "%(num)d tyźenjow"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d źeń"
+msgstr[1] "%(num)d dnja"
+msgstr[2] "%(num)d dny"
+msgstr[3] "%(num)d dnjow"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d góźina"
+msgstr[1] "%(num)d góźinje"
+msgstr[2] "%(num)d góźiny"
+msgstr[3] "%(num)d góźin"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuta"
+msgstr[1] "%(num)d minuśe"
+msgstr[2] "%(num)d minuty"
+msgstr[3] "%(num)d minutow"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d lěto"
+msgstr[1] "%(num)d lěśe"
+msgstr[2] "%(num)d lěta"
+msgstr[3] "%(num)d lět"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mjasec"
+msgstr[1] "%(num)d mjaseca"
+msgstr[2] "%(num)d mjasece"
+msgstr[3] "%(num)dmjasecow"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d tyźeń"
+msgstr[1] "%(num)d tyźenja"
+msgstr[2] "%(num)d tyźenje"
+msgstr[3] "%(num)d tyźenjow"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d źeń"
+msgstr[1] "%(num)d dnja"
+msgstr[2] "%(num)d dny"
+msgstr[3] "%(num)d dnjow"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d góźina"
+msgstr[1] "%(num)d góźinje"
+msgstr[2] "%(num)d góźiny"
+msgstr[3] "%(num)d góźin"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuta"
+msgstr[1] "%(num)d minuśe"
+msgstr[2] "%(num)d minuty"
+msgstr[3] "%(num)d minutow"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b4868f8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6f1d0aa4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,398 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Dimitris Glezos <glezos@transifex.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kostas Papadimitriou <vinilios@gmail.com>, 2012
+# Nick Mavrakis <mavrakis.n@gmail.com>, 2018
+# Nikolas Demiridis <nikolas@demiridis.gr>, 2014
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-09-22 10:19+0000\n"
+"Last-Translator: Nick Mavrakis <mavrakis.n@gmail.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Εξανθρώπιση"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}ο"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}ο"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f εκατομμύριο"
+msgstr[1] "%(value).1f εκατομμύρια"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] " %(value)s  εκατομμύριο"
+msgstr[1] " %(value)s  εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f δισεκατομμύριο"
+msgstr[1] "%(value).1f δισεκατομμύρια"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s δισεκατομμύριο"
+msgstr[1] "%(value)s δισεκατομμύρια"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f τρισεκατομμύριο"
+msgstr[1] "%(value).1f τρισεκατομμύρια"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s τρισεκατομμύριο"
+msgstr[1] "%(value)s τρισεκατομμύρια"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f τετράκις εκατομμύριο"
+msgstr[1] "%(value).1f τετράκις εκατομμύρια"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s τετράκις εκατομμύριο"
+msgstr[1] "%(value)s τετράκις εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f πεντάκις εκατομμύριo"
+msgstr[1] "%(value).1f πεντάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s πεντάκις εκατομμύριo"
+msgstr[1] "%(value)s πεντάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f εξάκις εκατομμύριo"
+msgstr[1] "%(value).1f εξάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s εξάκις εκατομμύριo"
+msgstr[1] "%(value)s εξάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f επτάκις εκατομμύριο"
+msgstr[1] "%(value).1f επτάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s επτάκις εκατομμύριο"
+msgstr[1] "%(value)s επτάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f οκτάκις εκατομμύριο"
+msgstr[1] "%(value).1f οκτάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s οκτάκις εκατομμύριο"
+msgstr[1] "%(value)s οκτάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f εννεάκις εκατομμύριο"
+msgstr[1] "%(value).1f εννεάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s εννεάκις εκατομμύριο"
+msgstr[1] "%(value)s εννεάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f δεκάκις εκατομμύριο"
+msgstr[1] "%(value).1f δεκάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s δεκάκις εκατομμύριο"
+msgstr[1] "%(value)s δεκάκις εκατομμύρια"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "ένα"
+
+msgid "two"
+msgstr "δύο"
+
+msgid "three"
+msgstr "τρία"
+
+msgid "four"
+msgstr "τέσσερα"
+
+msgid "five"
+msgstr "πέντε"
+
+msgid "six"
+msgstr "έξι"
+
+msgid "seven"
+msgstr "εφτά"
+
+msgid "eight"
+msgstr "οκτώ"
+
+msgid "nine"
+msgstr "εννιά"
+
+msgid "today"
+msgstr "σήμερα"
+
+msgid "tomorrow"
+msgstr "αύριο"
+
+msgid "yesterday"
+msgstr "χθες"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "πριν από %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "μια ώρα πρίν"
+msgstr[1] "%(count)s ώρες πρίν"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "ένα λεπτό πρίν"
+msgstr[1] "%(count)s λεπτά πρίν"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "ένα δευτερόλεπτο πρίν"
+msgstr[1] "%(count)s δευτερόλεπτα πρίν"
+
+msgid "now"
+msgstr "τώρα"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "ένα δευτερόλεπτο από τώρα"
+msgstr[1] "%(count)s δευτερόλεπτα από τώρα"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "ένα λεπτό από τώρα"
+msgstr[1] "%(count)s λεπτά από τώρα"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "μία ώρα από τώρα"
+msgstr[1] "%(count)s ώρες από τώρα"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "σε %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d χρόνος"
+msgstr[1] "%d χρόνια"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d μήνας"
+msgstr[1] "%d μήνες"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d εβδομάδα"
+msgstr[1] "%d εβδομάδες"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d μέρα"
+msgstr[1] "%d μέρες"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d ώρα"
+msgstr[1] "%d ώρες"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d λεπτό"
+msgstr[1] "%d λεπτά"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d χρόνος"
+msgstr[1] "%d χρόνια"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d μήνας"
+msgstr[1] "%d μήνες"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d εβδομάδα"
+msgstr[1] "%d εβδομάδες"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d μέρα"
+msgstr[1] "%d μέρες"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d ώρα"
+msgstr[1] "%d ώρες"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d λεπτό"
+msgstr[1] "%d λεπτά"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fa868e72
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,378 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: contrib/humanize/apps.py:7
+msgid "Humanize"
+msgstr ""
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+#: contrib/humanize/templatetags/humanize.py:35
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+#: contrib/humanize/templatetags/humanize.py:39
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+#: contrib/humanize/templatetags/humanize.py:41
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+#: contrib/humanize/templatetags/humanize.py:43
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+#: contrib/humanize/templatetags/humanize.py:45
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+#: contrib/humanize/templatetags/humanize.py:47
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+#: contrib/humanize/templatetags/humanize.py:49
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+#: contrib/humanize/templatetags/humanize.py:51
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+#: contrib/humanize/templatetags/humanize.py:53
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+#: contrib/humanize/templatetags/humanize.py:55
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+#: contrib/humanize/templatetags/humanize.py:57
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:88
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:89
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:90
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:94
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:100
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:105
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:109
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:111
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:112
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:113
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:114
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:158
+msgid "one"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:159
+msgid "two"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:160
+msgid "three"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:161
+msgid "four"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:162
+msgid "five"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:163
+msgid "six"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:164
+msgid "seven"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:165
+msgid "eight"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:166
+msgid "nine"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:188
+msgid "today"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:190
+msgid "tomorrow"
+msgstr ""
+
+#: contrib/humanize/templatetags/humanize.py:192
+msgid "yesterday"
+msgstr ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2 weeks'
+#: contrib/humanize/templatetags/humanize.py:210
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#: contrib/humanize/templatetags/humanize.py:213
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#: contrib/humanize/templatetags/humanize.py:216
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#: contrib/humanize/templatetags/humanize.py:219
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:220
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#: contrib/humanize/templatetags/humanize.py:224
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#: contrib/humanize/templatetags/humanize.py:229
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#: contrib/humanize/templatetags/humanize.py:234
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2 weeks'
+#: contrib/humanize/templatetags/humanize.py:237
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#: contrib/humanize/templatetags/humanize.py:242
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:245
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:248
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:250
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:252
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:255
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s from now'
+#: contrib/humanize/templatetags/humanize.py:262
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:265
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:268
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:271
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:274
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/humanize/templatetags/humanize.py:277
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b381a0fa
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6417eb85
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,328 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Tom Fifield <tom@tomfifield.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-22 07:22+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/django/django/"
+"language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanise"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}th"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}th"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}st"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}nd"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}rd"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}th"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}th"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}th"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}th"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}th"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}th"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0901a675
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..10986588
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,263 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# bfirsh <ben@firshman.co.uk>, 2011
+# jon_atkinson <jon@jonatkinson.co.uk>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "th"
+
+msgid "st"
+msgstr "st"
+
+msgid "nd"
+msgstr "nd"
+
+msgid "rd"
+msgstr "rd"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f million"
+msgstr[1] "%(value).1f million"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s million"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f billion"
+msgstr[1] "%(value).1f billion"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s billion"
+msgstr[1] "%(value)s billion"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trillion"
+msgstr[1] "%(value).1f trillion"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trillion"
+msgstr[1] "%(value)s trillion"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f quadrillion"
+msgstr[1] "%(value).1f quadrillion"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrillion"
+msgstr[1] "%(value)s quadrillion"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f quintillion"
+msgstr[1] "%(value).1f quintillion"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintillion"
+msgstr[1] "%(value)s quintillion"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sextillion"
+msgstr[1] "%(value).1f sextillion"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextillion"
+msgstr[1] "%(value)s sextillion"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septillion"
+msgstr[1] "%(value).1f septillion"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillion"
+msgstr[1] "%(value)s septillion"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octillion"
+msgstr[1] "%(value).1f octillion"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillion"
+msgstr[1] "%(value)s octillion"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonillion"
+msgstr[1] "%(value).1f nonillion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillion"
+msgstr[1] "%(value)s nonillion"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decillion"
+msgstr[1] "%(value).1f decillion"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decillion"
+msgstr[1] "%(value)s decillion"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "one"
+
+msgid "two"
+msgstr "two"
+
+msgid "three"
+msgstr "three"
+
+msgid "four"
+msgstr "four"
+
+msgid "five"
+msgstr "five"
+
+msgid "six"
+msgstr "six"
+
+msgid "seven"
+msgstr "seven"
+
+msgid "eight"
+msgstr "eight"
+
+msgid "nine"
+msgstr "nine"
+
+msgid "today"
+msgstr "today"
+
+msgid "tomorrow"
+msgstr "tomorrow"
+
+msgid "yesterday"
+msgstr "yesterday"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s ago"
+
+msgid "now"
+msgstr "now"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s from now"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6c0df785
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4f13eb30
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,394 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Baptiste Darthenay <baptiste+transifex@darthenay.fr>, 2014,2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-05-24 15:17+0000\n"
+"Last-Translator: Baptiste Darthenay <baptiste+transifex@darthenay.fr>\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanigi"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}a"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}a"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milionoj"
+msgstr[1] "%(value).1f milionoj"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milionoj"
+msgstr[1] "%(value)s milionoj"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f miliardoj"
+msgstr[1] "%(value).1f miliardoj"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliardoj"
+msgstr[1] "%(value)s miliardoj"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f triiliono"
+msgstr[1] "%(value).1f triiliono"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s triilionoj"
+msgstr[1] "%(value)s triilionoj"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f kvariliono"
+msgstr[1] "%(value).1f kvariliono"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvarilionoj"
+msgstr[1] "%(value)s kvarilionoj"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f kvinilionoj"
+msgstr[1] "%(value).1f kvinilionoj"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvinilionoj"
+msgstr[1] "%(value)s kvinilionoj"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sesilionoj"
+msgstr[1] "%(value).1f sesilionoj"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sesilionoj"
+msgstr[1] "%(value)s sesilionoj"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f sepilionoj"
+msgstr[1] "%(value).1f sepilionoj"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s sepilionoj"
+msgstr[1] "%(value)s sepilionoj"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f okilionoj"
+msgstr[1] "%(value).1f okilionoj"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s okilionoj"
+msgstr[1] "%(value)s okilionoj"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f naŭilionoj"
+msgstr[1] "%(value).1f naŭilionoj"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s naŭilionoj"
+msgstr[1] "%(value)s naŭilionoj"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f dekilionoj"
+msgstr[1] "%(value).1f dekilionoj"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s dekilionoj"
+msgstr[1] "%(value)s dekilionoj"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f guglo"
+msgstr[1] "%(value).1f guglo"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gugloj"
+msgstr[1] "%(value)s gugloj"
+
+msgid "one"
+msgstr "unu"
+
+msgid "two"
+msgstr "du"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "kvar"
+
+msgid "five"
+msgstr "kvin"
+
+msgid "six"
+msgstr "ses"
+
+msgid "seven"
+msgstr "sep"
+
+msgid "eight"
+msgstr "ok"
+
+msgid "nine"
+msgstr "naŭ"
+
+msgid "today"
+msgstr "hodiaŭ"
+
+msgid "tomorrow"
+msgstr "morgaŭ"
+
+msgid "yesterday"
+msgstr "hieraŭ"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "antaŭ %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "horo antaŭe"
+msgstr[1] "%(count)s horoj antaŭe"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "minuto antaŭe"
+msgstr[1] "%(count)s minutoj antaŭe"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "sekundo antaŭe"
+msgstr[1] "%(count)s sekundoj antaŭe"
+
+msgid "now"
+msgstr "nun"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "post sekundo"
+msgstr[1] "post %(count)s sekundoj"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "post minuto"
+msgstr[1] "post %(count)s minutoj"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "post horo"
+msgstr[1] "post %(count)s horoj"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "antaŭ %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d jaro"
+msgstr[1] "%d jaroj"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d monato"
+msgstr[1] "%d monatoj"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d semajno"
+msgstr[1] "%d semajnoj"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d tago"
+msgstr[1] "%d tagoj"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d horo"
+msgstr[1] "%d horoj"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minuto"
+msgstr[1] "%d minutoj"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d jaro"
+msgstr[1] "%d jaroj"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d monato"
+msgstr[1] "%d monatoj"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d semajno"
+msgstr[1] "%d semajnoj"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d tago"
+msgstr[1] "%d tagoj"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d horo"
+msgstr[1] "%d horoj"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minuto"
+msgstr[1] "%d minutoj"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8946e3a0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b4faf184
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,365 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2012
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2014
+# Ignacio José Lizarán Rus <ilizaran@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2011
+# Luigy, 2019
+# ntrrgc <ntrrgc@gmail.com>, 2014
+# Uriel Medina <urimeba511@gmail.com>, 2020-2021
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-04-24 18:40+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>, 2020-2021\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanizar"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}º"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s millon"
+msgstr[1] "%(value)s millones"
+msgstr[2] "%(value)s millones"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s millardo"
+msgstr[1] "%(value)s millardos"
+msgstr[2] "%(value)s millardos"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billón"
+msgstr[1] "%(value)s billones"
+msgstr[2] "%(value)s billones"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s billardos"
+msgstr[1] "%(value)s billardos"
+msgstr[2] "%(value)s billardos"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trillón"
+msgstr[1] "%(value)s trillones"
+msgstr[2] "%(value)s trillones"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s trillardo"
+msgstr[1] "%(value)s trillardos"
+msgstr[2] "%(value)s trillardos"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s cuatrillón"
+msgstr[1] "%(value)s cuatrillones"
+msgstr[2] "%(value)s cuatrillones"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s cuatrillardo"
+msgstr[1] "%(value)s cuatrillardos"
+msgstr[2] "%(value)s cuatrillardos"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s quintillón"
+msgstr[1] "%(value)s quintillones"
+msgstr[2] "%(value)s quintillones"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s quintillardo"
+msgstr[1] "%(value)s quintillardos"
+msgstr[2] "%(value)s quintillardos"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] " %(value)s  googol"
+msgstr[1] " %(value)s  gúgoles"
+msgstr[2] " %(value)s  gúgoles"
+
+msgid "one"
+msgstr "uno"
+
+msgid "two"
+msgstr "dos"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "cuatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "siete"
+
+msgid "eight"
+msgstr "ocho"
+
+msgid "nine"
+msgstr "nueve"
+
+msgid "today"
+msgstr "hoy"
+
+msgid "tomorrow"
+msgstr "mañana"
+
+msgid "yesterday"
+msgstr "ayer"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "hace %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "hace una hora"
+msgstr[1] "hace %(count)s horas"
+msgstr[2] "hace %(count)s horas"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "hace un minuto"
+msgstr[1] "hace %(count)s minutos"
+msgstr[2] "hace %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "hace un segundo"
+msgstr[1] "hace %(count)s segundos"
+msgstr[2] "hace %(count)s segundos"
+
+msgid "now"
+msgstr "ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "un segundo a partir de ahora"
+msgstr[1] "%(count)s segundos a partir de ahora"
+msgstr[2] "%(count)s segundos a partir de ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "un minuto a partir de ahora"
+msgstr[1] "%(count)s minutos a partir de ahora"
+msgstr[2] "%(count)s minutos a partir de ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "una hora a partir de ahora"
+msgstr[1] "%(count)s horas a partir de ahora"
+msgstr[2] "%(count)s horas a partir de ahora"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s desde ahora"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d año"
+msgstr[1] "%(num)d años"
+msgstr[2] "%(num)d años"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d meses"
+msgstr[2] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+msgstr[2] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d día"
+msgstr[1] "%(num)d días"
+msgstr[2] "%(num)d días"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+msgstr[2] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
+msgstr[2] "%(num)d minutos"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d año"
+msgstr[1] "%(num)d años"
+msgstr[2] "%(num)d años"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d meses"
+msgstr[2] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+msgstr[2] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d día"
+msgstr[1] "%(num)d días"
+msgstr[2] "%(num)d días"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+msgstr[2] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
+msgstr[2] "%(num)d minutos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..62767df9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_AR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..11624ab5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,332 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# lardissone <lardissone@gmail.com>, 2014
+# lardissone <lardissone@gmail.com>, 2014
+# Ramiro Morales, 2012,2014-2015,2018,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-11-19 15:15+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Spanish (Argentina) (http://www.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanización"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}.º"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s millón"
+msgstr[1] "%(value)s millones"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s millardo"
+msgstr[1] "%(value)s millardos"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billón"
+msgstr[1] "%(value)s billones"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s mil billones"
+msgstr[1] "%(value)s miles de billones"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trillón"
+msgstr[1] "%(value)s trilliones"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s mil trillones"
+msgstr[1] "%(value)s miles de trillones"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s cuatrillón"
+msgstr[1] "%(value)s cuatrillones"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s mil cuatrillones"
+msgstr[1] "%(value)s miles de cuatrillones"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s quintillón"
+msgstr[1] "%(value)s quintillones"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s mil quintillones"
+msgstr[1] "%(value)s miles de quintillones"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s \"gúgol\""
+msgstr[1] "%(value)s \"gúgols\""
+
+msgid "one"
+msgstr "uno"
+
+msgid "two"
+msgstr "dos"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "cuatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "siete"
+
+msgid "eight"
+msgstr "ocho"
+
+msgid "nine"
+msgstr "nueve"
+
+msgid "today"
+msgstr "hoy"
+
+msgid "tomorrow"
+msgstr "mañana"
+
+msgid "yesterday"
+msgstr "ayer"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "hace %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "hace una hora"
+msgstr[1] "hace %(count)s horas"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "hace un minuto"
+msgstr[1] "hace %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "hace un segundo"
+msgstr[1] "hace %(count)s segundos"
+
+msgid "now"
+msgstr "ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "dentro de un segundo"
+msgstr[1] "dentro de %(count)s segundos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "dentro de un minuto"
+msgstr[1] "dentro de %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "dentro de una hora"
+msgstr[1] "dentro de %(count)s horas"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "dentro de %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d año"
+msgstr[1] "%(num)d años"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d día"
+msgstr[1] "%(num)d días"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d año"
+msgstr[1] "%(num)d años"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d día"
+msgstr[1] "%(num)d días"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3a003929
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..75648b1a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,267 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2012
+# Ernesto Avilés Vázquez <whippiii@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leonardo J. Caballero G. <leonardocaballero@gmail.com>, 2011
+# ntrrgc <ntrrgc@gmail.com>, 2014
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 21:47+0000\n"
+"Last-Translator: Carlos Muñoz <cmuozdiaz@outlook.com>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanizar"
+
+msgid "th"
+msgstr "º"
+
+msgid "st"
+msgstr "º"
+
+msgid "nd"
+msgstr "º"
+
+msgid "rd"
+msgstr "º"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f millón"
+msgstr[1] "%(value).1f millón"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s millón"
+msgstr[1] "%(value)s millones"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f millardo"
+msgstr[1] "%(value).1f millardos"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s millardo"
+msgstr[1] "%(value)s millardos"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f billón"
+msgstr[1] "%(value).1f billón"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billón"
+msgstr[1] "%(value)s billones"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f billardo"
+msgstr[1] "%(value).1f billardos"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s billardos"
+msgstr[1] "%(value)s billardos"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f trillón"
+msgstr[1] "%(value).1f trillones"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trillón"
+msgstr[1] "%(value)s trillones"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f trillardo"
+msgstr[1] "%(value).1f trillardos"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s trillardo"
+msgstr[1] "%(value)s trillardos"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f cuatrillón"
+msgstr[1] "%(value).1f cuatrillones"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s cuatrillón"
+msgstr[1] "%(value)s cuatrillones"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f cuatrillardo"
+msgstr[1] "%(value).1f cuatrillardos"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s cuatrillardo"
+msgstr[1] "%(value)s cuatrillardos"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f quintillón"
+msgstr[1] "%(value).1f quintillones"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s quintillón"
+msgstr[1] "%(value)s quintillones"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f quintillardo"
+msgstr[1] "%(value).1f quintillardos"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s quintillardo"
+msgstr[1] "%(value)s quintillardos"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] " %(value)s  googol"
+msgstr[1] " %(value)s  googol"
+
+msgid "one"
+msgstr "uno"
+
+msgid "two"
+msgstr "dos"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "cuatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "siete"
+
+msgid "eight"
+msgstr "ocho"
+
+msgid "nine"
+msgstr "nueve"
+
+msgid "today"
+msgstr "hoy"
+
+msgid "tomorrow"
+msgstr "mañana"
+
+msgid "yesterday"
+msgstr "ayer"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "hace %(delta)s"
+
+msgid "now"
+msgstr "ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "hace un segundo"
+msgstr[1] "hace %(count)s segundos"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "hace un minuto"
+msgstr[1] "hace %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "hace una hora"
+msgstr[1] "hace %(count)s horas"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s a partir de ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "un segundo a partir de ahora"
+msgstr[1] "%(count)s segundos a partir de ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "un minuto a partir de ahora"
+msgstr[1] "%(count)s minutos a partir de ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "una hora a partir de ahora"
+msgstr[1] "%(count)s horas a partir de ahora"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b5199ef8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b3f666b5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,264 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abraham Estrada, 2011-2012
+# Alex Dzul <alexexc2@gmail.com>, 2015
+# Juan Pablo Flores <juanpflores94@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 18:03+0000\n"
+"Last-Translator: Juan Pablo Flores <juanpflores94@gmail.com>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanizar"
+
+msgid "th"
+msgstr "to"
+
+msgid "st"
+msgstr "ro"
+
+msgid "nd"
+msgstr "do"
+
+msgid "rd"
+msgstr "ro"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f millón"
+msgstr[1] "%(value).1f millones"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s millones"
+msgstr[1] "%(value)s millones"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f billón"
+msgstr[1] "%(value).1f billones"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s billiones"
+msgstr[1] "%(value)s billiones"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trillón"
+msgstr[1] "%(value).1f trillones"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilliones"
+msgstr[1] "%(value)s trilliones"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f cuatrillón"
+msgstr[1] "%(value).1f cuatrillones"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s cuatrillón"
+msgstr[1] "%(value)s cuatrillones"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f quintillón"
+msgstr[1] "%(value).1f quintillones"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintillón"
+msgstr[1] "%(value)s quintillones"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sextillón"
+msgstr[1] "%(value).1f sextillones"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextillón"
+msgstr[1] "%(value)s sextillones"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septillón"
+msgstr[1] "%(value).1f septillones"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillón"
+msgstr[1] "%(value)s septillones"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octillón"
+msgstr[1] "%(value).1f octillones"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillón"
+msgstr[1] "%(value)s octillones"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonillion"
+msgstr[1] "%(value).1f nonillion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillón"
+msgstr[1] "%(value)s nonillones"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decillón"
+msgstr[1] "%(value).1f decillones"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decillón"
+msgstr[1] "%(value)s decillones"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googoles"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googoles"
+
+msgid "one"
+msgstr "uno"
+
+msgid "two"
+msgstr "dos"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "cuatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "siete"
+
+msgid "eight"
+msgstr "ocho"
+
+msgid "nine"
+msgstr "nueve"
+
+msgid "today"
+msgstr "hoy"
+
+msgid "tomorrow"
+msgstr "mañana"
+
+msgid "yesterday"
+msgstr "ayer"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "hace %(delta)s"
+
+msgid "now"
+msgstr "ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "hace un segundo"
+msgstr[1] "Hace %(count)s segundos"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "hace un minuto"
+msgstr[1] "Hace %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "hace una hora"
+msgstr[1] "Hace %(count)s horas"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s a partir de ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "Un segundo desde ahora"
+msgstr[1] "%(count)s desde ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..31bccab7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_VE/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d5ebd030
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eduardo <edos21@gmail.com>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 21:47+0000\n"
+"Last-Translator: Eduardo <edos21@gmail.com>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/django/django/"
+"language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanizar"
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "uno"
+
+msgid "two"
+msgstr "dos"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "cuatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "siete"
+
+msgid "eight"
+msgstr "ocho"
+
+msgid "nine"
+msgstr "nueve"
+
+msgid "today"
+msgstr "hoy"
+
+msgid "tomorrow"
+msgstr "mañana"
+
+msgid "yesterday"
+msgstr "ayer"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr "ahora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..85274d0d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/et/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..16cf8fb4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,334 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2013
+# Martin <martinpajuste@gmail.com>, 2021
+# Martin <martinpajuste@gmail.com>, 2019
+# Marti Raudsepp <marti@juffo.org>, 2014
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-11-19 08:47+0000\n"
+"Last-Translator: Martin <martinpajuste@gmail.com>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Inimlikustamine"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s miljon"
+msgstr[1] "%(value)s miljonit"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miljard"
+msgstr[1] "%(value)s miljardit"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s triljon"
+msgstr[1] "%(value)s triljonit"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadriljon"
+msgstr[1] "%(value)s kvadriljonit"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintiljon"
+msgstr[1] "%(value)s kvintiljonit"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstiljon"
+msgstr[1] "%(value)s sekstiljonit"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septiljon"
+msgstr[1] "%(value)s septiljonit"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktiljon"
+msgstr[1] "%(value)s oktiljonit"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s noniljon"
+msgstr[1] "%(value)s noniljonit"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s detsiljon"
+msgstr[1] "%(value)s detsiljonit"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googolit"
+
+msgid "one"
+msgstr "üks"
+
+msgid "two"
+msgstr "kaks"
+
+msgid "three"
+msgstr "kolm"
+
+msgid "four"
+msgstr "neli"
+
+msgid "five"
+msgstr "viis"
+
+msgid "six"
+msgstr "kuus"
+
+msgid "seven"
+msgstr "seitse"
+
+msgid "eight"
+msgstr "kaheksa"
+
+msgid "nine"
+msgstr "üheksa"
+
+msgid "today"
+msgstr "täna"
+
+msgid "tomorrow"
+msgstr "homme"
+
+msgid "yesterday"
+msgstr "eile"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s tagasi"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "tund tagasi"
+msgstr[1] "%(count)s tundi tagasi"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "minut tagasi"
+msgstr[1] "%(count)s minutit tagasi"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "sekund tagasi"
+msgstr[1] "%(count)s sekundit tagasi"
+
+msgid "now"
+msgstr "praegu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "sekund praegusest hetkest"
+msgstr[1] "%(count)s sekundit praegusest hetkest"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "minut praegusest hetkest"
+msgstr[1] "%(count)s minutit praegusest hetkest"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "tund praegusest hetkest"
+msgstr[1] "%(count)s tundi praegusest hetkest"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s praegusest hetkest"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d aasta"
+msgstr[1] "%(num)d aastat"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d kuu"
+msgstr[1] "%(num)d kuud"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d nädal"
+msgstr[1] "%(num)d nädalat"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d päev"
+msgstr[1] "%(num)d päeva"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d tund"
+msgstr[1] "%(num)d tundi"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minutit"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d aasta"
+msgstr[1] "%(num)d aastat"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d kuu"
+msgstr[1] "%(num)d kuud"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d nädal"
+msgstr[1] "%(num)d nädalat"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d päev"
+msgstr[1] "%(num)d päeva"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d tund"
+msgstr[1] "%(num)d tundi"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minutit"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d167d67e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b8ed0c5f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,331 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aitzol Naberan <anaberan@codesyntax.com>, 2011-2012,2016
+# Ander Martinez <ander.basaundi@gmail.com>, 2014
+# Eneko Illarramendi <eneko@illarra.com>, 2017-2018,2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# julen, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-07-24 18:40+0000\n"
+"Last-Translator: Eneko Illarramendi <eneko@illarra.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanizatu"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "milioi %(value)s"
+msgstr[1] "%(value)s milioi"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "bilioi %(value)s"
+msgstr[1] "%(value)s bilioi"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "trilioi %(value)s"
+msgstr[1] "%(value)s trilioi"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "kuatrilioi %(value)s"
+msgstr[1] "%(value)s kuatrilioi"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "kintilioi %(value)s"
+msgstr[1] "%(value)s kintilioi"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "sextilioi %(value)s"
+msgstr[1] "%(value)s sextilioi"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "septilioi %(value)s"
+msgstr[1] "%(value)s septilioi"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "octillioi %(value)s"
+msgstr[1] " %(value)s octilioi"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "nonilioi %(value)s"
+msgstr[1] "%(value)s nonilioi"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "dezilioi %(value)s "
+msgstr[1] "%(value)s dezilioi"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "googol %(value)s"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "bat"
+
+msgid "two"
+msgstr "bi"
+
+msgid "three"
+msgstr "hiru"
+
+msgid "four"
+msgstr "lau"
+
+msgid "five"
+msgstr "bost"
+
+msgid "six"
+msgstr "sei"
+
+msgid "seven"
+msgstr "zazpi"
+
+msgid "eight"
+msgstr "zortzi"
+
+msgid "nine"
+msgstr "bederatzi"
+
+msgid "today"
+msgstr "gaur"
+
+msgid "tomorrow"
+msgstr "bihar"
+
+msgid "yesterday"
+msgstr "atzo"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "duela %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "duela ordubete"
+msgstr[1] "duela %(count)s ordu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "duela minutu bat"
+msgstr[1] "duela %(count)s minutu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "duela segundu bat"
+msgstr[1] "duela %(count)s segundu"
+
+msgid "now"
+msgstr "orain"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "segundu bat barru"
+msgstr[1] "%(count)s segundu barru"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "minutu bat barru"
+msgstr[1] "%(count)s minutu barru"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "ordubete barru"
+msgstr[1] "%(count)s ordu barru"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s barru"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] " urte %(num)d"
+msgstr[1] "%(num)d urte"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "hilabete %(num)d"
+msgstr[1] "%(num)d hilabete"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "aste %(num)d"
+msgstr[1] "%(num)d aste"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "egun %(num)d"
+msgstr[1] "%(num)d egun"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "ordu %(num)d"
+msgstr[1] "%(num)d ordu"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "minutu %(num)d"
+msgstr[1] "%(num)d minutu"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "urte %(num)d"
+msgstr[1] "%(num)d urte"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "hilabete %(num)d"
+msgstr[1] "%(num)d hilabete"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "aste %(num)d"
+msgstr[1] "%(num)d aste"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "egun %(num)d"
+msgstr[1] "%(num)d egun"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "ordu %(num)d"
+msgstr[1] "%(num)d ordu"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "minutu %(num)d"
+msgstr[1] "%(num)d minutu"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b8fe9388
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..25daae93
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,335 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Nikneshan <ali@nikneshan.com>, 2012
+# Alireza Savand <alireza.savand@gmail.com>, 2012
+# Claude Paroz <claude@2xlibre.net>, 2013
+# Eshagh <ase.mugem@gmail.com>, 2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# MJafar Mashhadi <raindigital2007@gmail.com>, 2018
+# Mohammad Hossein Mojtahedi <Mhm5000@gmail.com>, 2016
+# Reza Mohammadi <reza@teeleh.ir>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-07-24 18:40+0000\n"
+"Last-Translator: Eshagh <ase.mugem@gmail.com>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Humanize"
+msgstr "انسانی‌سازی"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ین"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}م"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}م"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s میلیون"
+msgstr[1] "%(value)s میلیون"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s میلیارد"
+msgstr[1] "%(value)s میلیارد"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s تریلیون"
+msgstr[1] "%(value)s تریلیون"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s کوادریلیون"
+msgstr[1] "%(value)s کوادریلیون"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s کوانتینیوم"
+msgstr[1] "%(value)s کوانتینیوم"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s با ۲۱ صفر"
+msgstr[1] "%(value)s با ۲۱ صفر"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s سپتیلیون"
+msgstr[1] "%(value)s سپتیلیون"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillion"
+msgstr[1] "%(value)s octillion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s با ۵۴ صفر"
+msgstr[1] "%(value)s با ۵۴ صفر"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s با شصت صفر"
+msgstr[1] "%(value)s با شصت صفر"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s گوگُل"
+msgstr[1] "%(value)s گوگُل"
+
+msgid "one"
+msgstr "یک"
+
+msgid "two"
+msgstr "دو"
+
+msgid "three"
+msgstr "سه"
+
+msgid "four"
+msgstr "چهار"
+
+msgid "five"
+msgstr "پنج"
+
+msgid "six"
+msgstr "شش"
+
+msgid "seven"
+msgstr "هفت"
+
+msgid "eight"
+msgstr "هشت"
+
+msgid "nine"
+msgstr "نُه"
+
+msgid "today"
+msgstr "امروز"
+
+msgid "tomorrow"
+msgstr "فردا"
+
+msgid "yesterday"
+msgstr "دیروز"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s پیش"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s ساعت پیش"
+msgstr[1] "%(count)s ساعت پیش"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s دقیقه پیش"
+msgstr[1] "%(count)s دقیقه پیش"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s ثانیه پیش"
+msgstr[1] "%(count)s ثانیه پیش"
+
+msgid "now"
+msgstr "اکنون"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s ثانیه دیگر"
+msgstr[1] "%(count)s ثانیه دیگر"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s دقیقه دیگر"
+msgstr[1] "%(count)s دقیقه دیگر"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s ساعت دیگر"
+msgstr[1] "%(count)s ساعت دیگر"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s دیگر"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d سال"
+msgstr[1] "%(num)d سال"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ماه"
+msgstr[1] "%(num)d ماه"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d هفته"
+msgstr[1] "%(num)d هفته"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d روز"
+msgstr[1] "%(num)d روز"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ساعت"
+msgstr[1] "%(num)d ساعت"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d دقیقه"
+msgstr[1] "%(num)d دقیقه"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d سال"
+msgstr[1] "%(num)d سال"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ماه"
+msgstr[1] "%(num)d ماه"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d هفته"
+msgstr[1] "%(num)d هفته"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d روز"
+msgstr[1] "%(num)d روز"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ساعت"
+msgstr[1] "%(num)d ساعت"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d دقیقه"
+msgstr[1] "%(num)d دقیقه"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..54466b80
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aee53358
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,331 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2020-2021
+# Antti Kaihola <antti.15+transifex@kaihola.fi>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lasse Liehu <larso@gmx.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-11-22 15:15+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Ihmistys"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s miljoona"
+msgstr[1] "%(value)s miljoonaa"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miljardi"
+msgstr[1] "%(value)s miljardia"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s biljoona"
+msgstr[1] "%(value)s biljoonaa"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadriljoona"
+msgstr[1] "%(value)s kvadriljoonaa"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintiljoona"
+msgstr[1] "%(value)s kvintiljoonaa"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstiljoona"
+msgstr[1] "%(value)s sekstiljoonaa"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septiljoona"
+msgstr[1] "%(value)s septiljoonaa"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktiljoona"
+msgstr[1] "%(value)s oktiljoonaa"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s noniljoona"
+msgstr[1] "%(value)s noniljoonaa"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s dekiljoona"
+msgstr[1] "%(value)s dekiljoonaa"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googolia"
+
+msgid "one"
+msgstr "yksi"
+
+msgid "two"
+msgstr "kaksi"
+
+msgid "three"
+msgstr "kolme"
+
+msgid "four"
+msgstr "neljä"
+
+msgid "five"
+msgstr "viisi"
+
+msgid "six"
+msgstr "kuusi"
+
+msgid "seven"
+msgstr "seitsemän"
+
+msgid "eight"
+msgstr "kahdeksan"
+
+msgid "nine"
+msgstr "yhdeksän"
+
+msgid "today"
+msgstr "tänään"
+
+msgid "tomorrow"
+msgstr "huomenna"
+
+msgid "yesterday"
+msgstr "eilen"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s sitten"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "tunti sitten"
+msgstr[1] "%(count)s tuntia sitten"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "minuutti sitten"
+msgstr[1] "%(count)s minuuttia sitten"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "sekunti sitten"
+msgstr[1] "%(count)s sekuntia sitten"
+
+msgid "now"
+msgstr "nyt"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "sekunnin päästä"
+msgstr[1] "%(count)s sekunnin päästä"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "minuutin päästä"
+msgstr[1] "%(count)s minuutin päästä"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "tunnin päästä"
+msgstr[1] "%(count)s tunnin päästä"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s nykyhetkestä"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d vuosi"
+msgstr[1] "%(num)d vuotta"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)dkuukausi"
+msgstr[1] "%(num)dkuukautta"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d viikko"
+msgstr[1] "%(num)d viikkoa"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)dpäivä"
+msgstr[1] "%(num)d päivää"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d tunti"
+msgstr[1] "%(num)d tuntia"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuutti"
+msgstr[1] "%(num)d minuuttia"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d vuosi"
+msgstr[1] "%(num)d vuotta"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d kuukausi"
+msgstr[1] "%(num)d kuukautta "
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d viikko"
+msgstr[1] "%(num)d viikkoa"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d päivä"
+msgstr[1] "%(num)d päivää"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d tunti"
+msgstr[1] "%(num)d tuntia"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuutti"
+msgstr[1] "%(num)d minuuttia"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..eb8e7318
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c5a7e2ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,360 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2013-2014,2018-2019,2021
+# Claude Paroz <claude@2xlibre.net>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jean-Baptiste Mora, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2023-04-24 18:40+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>, "
+"2013-2014,2018-2019,2021\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Humanize"
+msgstr "Humanisation"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}<sup>er</sup>"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}<sup>e</sup>"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s millions"
+msgstr[2] "%(value)s millions"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milliard"
+msgstr[1] "%(value)s milliards"
+msgstr[2] "%(value)s milliards"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billion"
+msgstr[1] "%(value)s billions"
+msgstr[2] "%(value)s billions"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrillion"
+msgstr[1] "%(value)s quadrillions"
+msgstr[2] "%(value)s quadrillions"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintillion"
+msgstr[1] "%(value)s quintillions"
+msgstr[2] "%(value)s quintillions"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextillion"
+msgstr[1] "%(value)s sextillion"
+msgstr[2] "%(value)s sextillion"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillion"
+msgstr[1] "%(value)s septillions"
+msgstr[2] "%(value)s septillions"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillion"
+msgstr[1] "%(value)s octillions"
+msgstr[2] "%(value)s octillions"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillion"
+msgstr[1] "%(value)s nonillions"
+msgstr[2] "%(value)s nonillions"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s décillion"
+msgstr[1] "%(value)s décillions"
+msgstr[2] "%(value)s décillions"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gogol"
+msgstr[1] "%(value)s gogols"
+msgstr[2] "%(value)s gogols"
+
+msgid "one"
+msgstr "un"
+
+msgid "two"
+msgstr "deux"
+
+msgid "three"
+msgstr "trois"
+
+msgid "four"
+msgstr "quatre"
+
+msgid "five"
+msgstr "cinq"
+
+msgid "six"
+msgstr "six"
+
+msgid "seven"
+msgstr "sept"
+
+msgid "eight"
+msgstr "huit"
+
+msgid "nine"
+msgstr "neuf"
+
+msgid "today"
+msgstr "aujourd'hui"
+
+msgid "tomorrow"
+msgstr "demain"
+
+msgid "yesterday"
+msgstr "hier"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "il y a %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "il y a une heure"
+msgstr[1] "il y a %(count)s heures"
+msgstr[2] "il y a %(count)s heures"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "il y a une minute"
+msgstr[1] "il y a %(count)s minutes"
+msgstr[2] "il y a %(count)s minutes"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "il y a une seconde"
+msgstr[1] "il y a %(count)s secondes"
+msgstr[2] "il y a %(count)s secondes"
+
+msgid "now"
+msgstr "maintenant"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "dans une seconde"
+msgstr[1] "dans %(count)s secondes"
+msgstr[2] "dans %(count)s secondes"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "dans une minute"
+msgstr[1] "dans %(count)s minutes"
+msgstr[2] "dans %(count)s minutes"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "dans une heure"
+msgstr[1] "dans %(count)s heures"
+msgstr[2] "dans %(count)s heures"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "dans %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d année"
+msgstr[1] "%(num)d années"
+msgstr[2] "%(num)d années"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mois"
+msgstr[1] "%(num)d mois"
+msgstr[2] "%(num)d mois"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semaine"
+msgstr[1] "%(num)d semaines"
+msgstr[2] "%(num)d semaines"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d jour"
+msgstr[1] "%(num)d jours"
+msgstr[2] "%(num)d jours"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d heure"
+msgstr[1] "%(num)d heures"
+msgstr[2] "%(num)d heures"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minute"
+msgstr[1] "%(num)d minutes"
+msgstr[2] "%(num)d minutes"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d année"
+msgstr[1] "%(num)d années"
+msgstr[2] "%(num)d années"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mois"
+msgstr[1] "%(num)d mois"
+msgstr[2] "%(num)d mois"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semaine"
+msgstr[1] "%(num)d semaines"
+msgstr[2] "%(num)d semaines"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d jour"
+msgstr[1] "%(num)d jours"
+msgstr[2] "%(num)d jours"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d heure"
+msgstr[1] "%(num)d heures"
+msgstr[2] "%(num)d heures"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minute"
+msgstr[1] "%(num)d minutes"
+msgstr[2] "%(num)d minutes"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..489bbab4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2ae2bf8d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,261 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1fb51b9f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ga/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5108ded7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,516 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luke Blaney <transifex@lukeblaney.co.uk>, 2019
+# Michael Thornhill <michael@maithu.com>, 2011-2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-06-22 21:44+0000\n"
+"Last-Translator: Luke Blaney <transifex@lukeblaney.co.uk>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Humanize"
+msgstr ""
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}ú"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}ú"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milliún"
+msgstr[1] "%(value).1f milliún"
+msgstr[2] "%(value).1f milliún"
+msgstr[3] "%(value).1f milliún"
+msgstr[4] "%(value).1f milliún"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] " %(value)s  milliún"
+msgstr[1] " %(value)s  milliún"
+msgstr[2] " %(value)s  milliún"
+msgstr[3] " %(value)s  milliún"
+msgstr[4] " %(value)s  milliún"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f billiún"
+msgstr[1] "%(value).1f billiún"
+msgstr[2] "%(value).1f billiún"
+msgstr[3] "%(value).1f billiún"
+msgstr[4] "%(value).1f billiún"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] " %(value)s  billiún"
+msgstr[1] " %(value)s  billiún"
+msgstr[2] " %(value)s  billiún"
+msgstr[3] " %(value)s  billiún"
+msgstr[4] " %(value)s  billiún"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trilliún"
+msgstr[1] "%(value).1f trilliún"
+msgstr[2] "%(value).1f trilliún"
+msgstr[3] "%(value).1f trilliún"
+msgstr[4] "%(value).1f trilliún"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] " %(value)s  trilliún"
+msgstr[1] " %(value)s  trilliún"
+msgstr[2] " %(value)s  trilliún"
+msgstr[3] " %(value)s  trilliún"
+msgstr[4] " %(value)s  trilliún"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f quadrilliún"
+msgstr[1] "%(value).1f quadrilliún"
+msgstr[2] "%(value).1f quadrilliún"
+msgstr[3] "%(value).1f quadrilliún"
+msgstr[4] "%(value).1f quadrilliún"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrilliún"
+msgstr[1] "%(value)s quadrilliún"
+msgstr[2] "%(value)s quadrilliún"
+msgstr[3] "%(value)s quadrilliún"
+msgstr[4] "%(value)s quadrilliún"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f quintillion"
+msgstr[1] "%(value).1f quintillion"
+msgstr[2] "%(value).1f quintillion"
+msgstr[3] "%(value).1f quintillion"
+msgstr[4] "%(value).1f quintillion"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintillion"
+msgstr[1] "%(value)s quintillion"
+msgstr[2] "%(value)s quintillion"
+msgstr[3] "%(value)s quintillion"
+msgstr[4] "%(value)s quintillion"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sextillion"
+msgstr[1] "%(value).1f sextillion"
+msgstr[2] "%(value).1f sextillion"
+msgstr[3] "%(value).1f sextillion"
+msgstr[4] "%(value).1f sextillion"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextillion"
+msgstr[1] "%(value)s sextillion"
+msgstr[2] "%(value)s sextillion"
+msgstr[3] "%(value)s sextillion"
+msgstr[4] "%(value)s sextillion"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septillion"
+msgstr[1] "%(value).1f septillion"
+msgstr[2] "%(value).1f septillion"
+msgstr[3] "%(value).1f septillion"
+msgstr[4] "%(value).1f septillion"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillion"
+msgstr[1] "%(value)s septillion"
+msgstr[2] "%(value)s septillion"
+msgstr[3] "%(value)s septillion"
+msgstr[4] "%(value)s septillion"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octillion"
+msgstr[1] "%(value).1f octillion"
+msgstr[2] "%(value).1f octillion"
+msgstr[3] "%(value).1f octillion"
+msgstr[4] "%(value).1f octillion"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillion"
+msgstr[1] "%(value)s octillion"
+msgstr[2] "%(value)s octillion"
+msgstr[3] "%(value)s octillion"
+msgstr[4] "%(value)s octillion"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonillion"
+msgstr[1] "%(value).1f nonillion"
+msgstr[2] "%(value).1f nonillion"
+msgstr[3] "%(value).1f nonillion"
+msgstr[4] "%(value).1f nonillion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillion"
+msgstr[1] "%(value)s nonillion"
+msgstr[2] "%(value)s nonillion"
+msgstr[3] "%(value)s nonillion"
+msgstr[4] "%(value)s nonillion"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decillion"
+msgstr[1] "%(value).1f decillion"
+msgstr[2] "%(value).1f decillion"
+msgstr[3] "%(value).1f decillion"
+msgstr[4] "%(value).1f decillion"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decillion"
+msgstr[1] "%(value)s decillion"
+msgstr[2] "%(value)s decillion"
+msgstr[3] "%(value)s decillion"
+msgstr[4] "%(value)s decillion"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googol"
+msgstr[2] "%(value).1f googol"
+msgstr[3] "%(value).1f googol"
+msgstr[4] "%(value).1f googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+msgstr[2] "%(value)s googol"
+msgstr[3] "%(value)s googol"
+msgstr[4] "%(value)s googol"
+
+msgid "one"
+msgstr "aon"
+
+msgid "two"
+msgstr "dó"
+
+msgid "three"
+msgstr "trí"
+
+msgid "four"
+msgstr "ceathair"
+
+msgid "five"
+msgstr "cúig"
+
+msgid "six"
+msgstr "sé"
+
+msgid "seven"
+msgstr "seacht"
+
+msgid "eight"
+msgstr "ocht"
+
+msgid "nine"
+msgstr "naoi"
+
+msgid "today"
+msgstr "inniu"
+
+msgid "tomorrow"
+msgstr "amárach"
+
+msgid "yesterday"
+msgstr "inné"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+msgid "now"
+msgstr "anois"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+msgstr[3] ""
+msgstr[4] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8c2fac16
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7101512c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,389 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2021
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-12-24 18:40+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Humanize"
+msgstr "Humanize"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}mh"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}mh"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}d"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}na"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}s"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}mh"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}mh"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}mh"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}mh"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}mh"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}mh"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s mhillean"
+msgstr[1] "%(value)s mhillean"
+msgstr[2] "%(value)s milleanan"
+msgstr[3] "%(value)s millean"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s bhillean"
+msgstr[1] "%(value)s bhillean"
+msgstr[2] "%(value)s billeanan"
+msgstr[3] "%(value)s billean"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trillean"
+msgstr[1] "%(value)s thrillean"
+msgstr[2] "%(value)s trilleanan"
+msgstr[3] "%(value)s trillean"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrillean"
+msgstr[1] "%(value)s quadrillean"
+msgstr[2] "%(value)s quadrilleanan"
+msgstr[3] "%(value)s quadrillean"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintillean"
+msgstr[1] "%(value)s quintillean"
+msgstr[2] "%(value)s quintilleanan"
+msgstr[3] "%(value)s quintillean"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextillean"
+msgstr[1] "%(value)s shextillean"
+msgstr[2] "%(value)s sextilleanan"
+msgstr[3] "%(value)s sextillean"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillean"
+msgstr[1] "%(value)s sheptillean"
+msgstr[2] "%(value)s septilleanan"
+msgstr[3] "%(value)s septillean"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillean"
+msgstr[1] "%(value)s octillean"
+msgstr[2] "%(value)s octilleanan"
+msgstr[3] "%(value)s octillean"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillean"
+msgstr[1] "%(value)s nonillean"
+msgstr[2] "%(value)s nonilleanan"
+msgstr[3] "%(value)s nonillean"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decillean"
+msgstr[1] "%(value)s dhecillean"
+msgstr[2] "%(value)s decilleanan"
+msgstr[3] "%(value)s decillean"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s ghoogol"
+msgstr[1] "%(value)s ghoogol"
+msgstr[2] "%(value)s googolan"
+msgstr[3] "%(value)s googol"
+
+msgid "one"
+msgstr "aon"
+
+msgid "two"
+msgstr "dà"
+
+msgid "three"
+msgstr "trì"
+
+msgid "four"
+msgstr "ceithir"
+
+msgid "five"
+msgstr "còig"
+
+msgid "six"
+msgstr "sia"
+
+msgid "seven"
+msgstr "seachd"
+
+msgid "eight"
+msgstr "ochd"
+
+msgid "nine"
+msgstr "naoidh"
+
+msgid "today"
+msgstr "an-diugh"
+
+msgid "tomorrow"
+msgstr "a-màireach"
+
+msgid "yesterday"
+msgstr "an-dè"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s air ais"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s uair a thìde air ais"
+msgstr[1] "%(count)s uair a thìde air ais"
+msgstr[2] "%(count)s uairean a thìde air ais"
+msgstr[3] "%(count)s uair a thìde air ais"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s mhionaid air ais"
+msgstr[1] "%(count)s mhionaid air ais"
+msgstr[2] "%(count)s mionaidean air ais"
+msgstr[3] "%(count)s mionaid air ais"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s diog air ais"
+msgstr[1] "%(count)s dhiog air ais"
+msgstr[2] "%(count)s diogan air ais"
+msgstr[3] "%(count)s diog air ais"
+
+msgid "now"
+msgstr "an-dràsta"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "an ceann %(count)s diog"
+msgstr[1] "an ceann %(count)s dhiog"
+msgstr[2] "an ceann %(count)s diogan"
+msgstr[3] "an ceann %(count)s diog"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "an ceann %(count)s mhionaid"
+msgstr[1] "an ceann %(count)s mhionaid"
+msgstr[2] "an ceann %(count)s mionaidean"
+msgstr[3] "an ceann %(count)s mionaid"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "an ceann %(count)s uair a thìde"
+msgstr[1] "an ceann %(count)s uair a thìde"
+msgstr[2] "an ceann %(count)s uairean a thìde"
+msgstr[3] "an ceann %(count)s uair a thìde"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "an ceann %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d bhliadhna"
+msgstr[1] "%(num)d bhliadhna"
+msgstr[2] "%(num)d bliadhnaichean"
+msgstr[3] "%(num)d bliadhna"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mhìos"
+msgstr[1] "%(num)d mhìos"
+msgstr[2] "%(num)d mìosan"
+msgstr[3] "%(num)d mìos"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d seachdain"
+msgstr[1] "%(num)d sheachdain"
+msgstr[2] "%(num)d seachdainean"
+msgstr[3] "%(num)d seachdain"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d latha"
+msgstr[1] "%(num)d latha"
+msgstr[2] "%(num)d làithean"
+msgstr[3] "%(num)d latha"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d uair a thìde"
+msgstr[1] "%(num)d uair a thìde"
+msgstr[2] "%(num)d uairean a thìde"
+msgstr[3] "%(num)d uair a thìde"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d mhionaid"
+msgstr[1] "%(num)d mhionaid"
+msgstr[2] "%(num)d mionaidean"
+msgstr[3] "%(num)d mionaid"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d bhliadhna"
+msgstr[1] "%(num)d bhliadhna"
+msgstr[2] "%(num)d bliadhnaichean"
+msgstr[3] "%(num)d bliadhna"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mhìos"
+msgstr[1] "%(num)d mhìos"
+msgstr[2] "%(num)d mìosan"
+msgstr[3] "%(num)d mìos"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d seachdain"
+msgstr[1] "%(num)d sheachdain"
+msgstr[2] "%(num)d seachdainean"
+msgstr[3] "%(num)d seachdain"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d latha"
+msgstr[1] "%(num)d latha"
+msgstr[2] "%(num)d làithean"
+msgstr[3] "%(num)d latha"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d uair a thìde"
+msgstr[1] "%(num)d uair a thìde"
+msgstr[2] "%(num)d uairean a thìde"
+msgstr[3] "%(num)d uair a thìde"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d mhionaid"
+msgstr[1] "%(num)d mhionaid"
+msgstr[2] "%(num)d mionaidean"
+msgstr[3] "%(num)d mionaid"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gl/LC_MESSAGES/django.po
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,332 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fasouto <fsoutomoure@gmail.com>, 2011
+# fonso <fonzzo@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2011,2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2023-04-24 18:40+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanización"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}º"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s millón"
+msgstr[1] "%(value)s millóns"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s mil millóns"
+msgstr[1] "%(value)s mil millóns"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billón"
+msgstr[1] "%(value)s billóns"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s trillón"
+msgstr[1] "%(value)s trillóns"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s cuadrillón"
+msgstr[1] "%(value)s cuadrillóns"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s quintillón"
+msgstr[1] "%(value)s quintillóns"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s sextillón"
+msgstr[1] "%(value)s sextillóns"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s septillón"
+msgstr[1] "%(value)s septillóns"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s octillón"
+msgstr[1] "%(value)s octillóns"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s nonillón"
+msgstr[1] "%(value)s nonillóns"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gúgol"
+msgstr[1] "%(value)s gúgols"
+
+msgid "one"
+msgstr "un"
+
+msgid "two"
+msgstr "dous"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "catro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "sete"
+
+msgid "eight"
+msgstr "oito"
+
+msgid "nine"
+msgstr "nove"
+
+msgid "today"
+msgstr "hoxe"
+
+msgid "tomorrow"
+msgstr "mañá"
+
+msgid "yesterday"
+msgstr "onte"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "fai %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "Fai unha hora"
+msgstr[1] "Fai %(count)s horas"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "Fai un minuto"
+msgstr[1] "Fai %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "Fai un segundo"
+msgstr[1] "Fai %(count)s segundos"
+
+msgid "now"
+msgstr "agora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "Dentro dun segundo"
+msgstr[1] "Dentro de %(count)s segundos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "Dentro dun minuto"
+msgstr[1] "Dentro de %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "Dentro dunha hora"
+msgstr[1] "Dentro de %(count)s horas"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "dentro de %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d ano"
+msgstr[1] "%(num)d anos"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d día"
+msgstr[1] "%(num)d días"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d ano"
+msgstr[1] "%(num)d anos"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mes"
+msgstr[1] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d día"
+msgstr[1] "%(num)d días"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cbd42323
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/he/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3fb1327c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,389 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Alex Gaynor <inactive+Alex@transifex.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2012,2014,2019
+# Uri Rodberg <uri@speedy.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-22 07:22+0000\n"
+"Last-Translator: Uri Rodberg <uri@speedy.net>\n"
+"Language-Team: Hebrew (http://www.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Humanize"
+msgstr "האנשה"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "ה־{}"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "ה־{}"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "מיליון"
+msgstr[1] "%(value)s מיליון"
+msgstr[2] "%(value)s מיליון"
+msgstr[3] "%(value)s מיליון"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "מיליארד"
+msgstr[1] "%(value)s מיליארד"
+msgstr[2] "%(value)s מיליארד"
+msgstr[3] "%(value)s מיליארד"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "טריליון"
+msgstr[1] "%(value)s טריליון"
+msgstr[2] "%(value)s טריליון"
+msgstr[3] "%(value)s טריליון"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "קוודריליון"
+msgstr[1] "%(value)s קוודריליון"
+msgstr[2] "%(value)s קוודריליון"
+msgstr[3] "%(value)s קוודריליון"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "קווינטיליון"
+msgstr[1] "%(value)s קווינטיליון"
+msgstr[2] "%(value)s קווינטיליון"
+msgstr[3] "%(value)s קווינטיליון"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "סקסטיליון"
+msgstr[1] "%(value)s סקסטיליון"
+msgstr[2] "%(value)s סקסטיליון"
+msgstr[3] "%(value)s סקסטיליון"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "ספטיליון"
+msgstr[1] "%(value)s ספטיליון"
+msgstr[2] "%(value)s ספטיליון"
+msgstr[3] "%(value)s ספטיליון"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "אוקטיליון"
+msgstr[1] "%(value)s אוקטיליון"
+msgstr[2] "%(value)s אוקטיליון"
+msgstr[3] "%(value)s אוקטיליון"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "נוניליון"
+msgstr[1] "%(value)s נוניליון"
+msgstr[2] "%(value)s נוניליון"
+msgstr[3] "%(value)s נוניליון"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "דציליון"
+msgstr[1] "%(value)s דציליון"
+msgstr[2] "%(value)s דציליון"
+msgstr[3] "%(value)s דציליון"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "גוגול"
+msgstr[1] "%(value)s גוגול"
+msgstr[2] "%(value)s גוגול"
+msgstr[3] "%(value)s גוגול"
+
+msgid "one"
+msgstr "אחד"
+
+msgid "two"
+msgstr "שניים"
+
+msgid "three"
+msgstr "שלושה"
+
+msgid "four"
+msgstr "ארבעה"
+
+msgid "five"
+msgstr "חמישה"
+
+msgid "six"
+msgstr "שישה"
+
+msgid "seven"
+msgstr "שבעה"
+
+msgid "eight"
+msgstr "שמונה"
+
+msgid "nine"
+msgstr "תשעה"
+
+msgid "today"
+msgstr "היום"
+
+msgid "tomorrow"
+msgstr "מחר"
+
+msgid "yesterday"
+msgstr "אתמול"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "לפני %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "לפני שעה"
+msgstr[1] "לפני שעתיים"
+msgstr[2] "לפני %(count)s שעות"
+msgstr[3] "לפני %(count)s שעות"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "לפני דקה"
+msgstr[1] "לפני %(count)s דקות"
+msgstr[2] "לפני %(count)s דקות"
+msgstr[3] "לפני %(count)s דקות"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "לפני שנייה"
+msgstr[1] "לפני %(count)s שניות"
+msgstr[2] "לפני %(count)s שניות"
+msgstr[3] "לפני %(count)s שניות"
+
+msgid "now"
+msgstr "עכשיו"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "בעוד שנייה"
+msgstr[1] "בעוד %(count)s שניות"
+msgstr[2] "בעוד %(count)s שניות"
+msgstr[3] "בעוד %(count)s שניות"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "בעוד דקה"
+msgstr[1] "בעוד %(count)s דקות"
+msgstr[2] "בעוד %(count)s דקות"
+msgstr[3] "בעוד %(count)s דקות"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "בעוד שעה"
+msgstr[1] "בעוד שעתיים"
+msgstr[2] "בעוד %(count)s שעות"
+msgstr[3] "בעוד %(count)s שעות"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "בעוד %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "שנה"
+msgstr[1] "שנתיים"
+msgstr[2] "%(num)d שנים"
+msgstr[3] "%(num)d שנים"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "חודש"
+msgstr[1] "חודשיים"
+msgstr[2] "%(num)d חודשים"
+msgstr[3] "%(num)d חודשים"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "שבוע"
+msgstr[1] "שבועיים"
+msgstr[2] "%(num)d שבועות"
+msgstr[3] "%(num)d שבועות"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "יום"
+msgstr[1] "יומיים"
+msgstr[2] "%(num)d ימים"
+msgstr[3] "%(num)d ימים"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "שעה"
+msgstr[1] "שעתיים"
+msgstr[2] "%(num)d שעות"
+msgstr[3] "%(num)d שעות"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "דקה"
+msgstr[1] "%(num)d דקות"
+msgstr[2] "%(num)d דקות"
+msgstr[3] "%(num)d דקות"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "שנה"
+msgstr[1] "שנתיים"
+msgstr[2] "%(num)d שנים"
+msgstr[3] "%(num)d שנים"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "חודש"
+msgstr[1] "חודשיים"
+msgstr[2] "%(num)d חודשים"
+msgstr[3] "%(num)d חודשים"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "שבוע"
+msgstr[1] "שבועיים"
+msgstr[2] "%(num)d שבועות"
+msgstr[3] "%(num)d שבועות"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "יום"
+msgstr[1] "יומיים"
+msgstr[2] "%(num)d ימים"
+msgstr[3] "%(num)d ימים"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "שעה"
+msgstr[1] "שעתיים"
+msgstr[2] "%(num)d שעות"
+msgstr[3] "%(num)d שעות"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "דקה"
+msgstr[1] "%(num)d דקות"
+msgstr[2] "%(num)d דקות"
+msgstr[3] "%(num)d דקות"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3217de2b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..52551e69
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,263 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chandan kumar <chandankumar.093047@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sandeep Satavlekar <sandysat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "वाँ"
+
+msgid "st"
+msgstr "ला"
+
+msgid "nd"
+msgstr "रा"
+
+msgid "rd"
+msgstr "रा"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f मिलियन"
+msgstr[1] "%(value).1f मिलियन"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s मिलियन"
+msgstr[1] "%(value)s मिलियन"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f बिलियन"
+msgstr[1] "%(value).1f बिलियन"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s बिलियन"
+msgstr[1] "%(value)s बिलियन"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f खरब"
+msgstr[1] "%(value).1f खरब"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s खरब"
+msgstr[1] "%(value)s खरब"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f करोड़ शंख"
+msgstr[1] "%(value).1f करोड़ शंख"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s करोड़ शंख"
+msgstr[1] "%(value)s करोड़ शंख"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f कुइनतिलिअन "
+msgstr[1] "%(value).1f कुइनतिलिअन "
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s कुइनतिलिअन "
+msgstr[1] "%(value)s कुइनतिलिअन "
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f सेक्सतिलियन"
+msgstr[1] "%(value).1f सेक्सतिलियन"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s सेक्सतिलियन"
+msgstr[1] "%(value)s सेक्सतिलियन"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f सेपतिलियन "
+msgstr[1] "%(value).1f सेपतिलियन "
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s सेपतिलियन "
+msgstr[1] "%(value)s सेपतिलियन "
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f ओकतिलियन "
+msgstr[1] "%(value).1f ओकतिलियन "
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s ओकतिलियन "
+msgstr[1] "%(value)s ओकतिलियन "
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f नोनिलियन"
+msgstr[1] "%(value).1f नोनिलियन"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s नोनिलियन"
+msgstr[1] "%(value)s नोनिलियन"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f देसीलियन"
+msgstr[1] "%(value).1f देसीलियन"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s देसीलियन"
+msgstr[1] "%(value)s देसीलियन"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f गोगोल"
+msgstr[1] "%(value).1f गोगोल"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s गोगोल"
+msgstr[1] "%(value)s गोगोल"
+
+msgid "one"
+msgstr "एक"
+
+msgid "two"
+msgstr "दो"
+
+msgid "three"
+msgstr "तीन"
+
+msgid "four"
+msgstr "चार"
+
+msgid "five"
+msgstr "पाँच"
+
+msgid "six"
+msgstr "छह"
+
+msgid "seven"
+msgstr "सात"
+
+msgid "eight"
+msgstr "आठ"
+
+msgid "nine"
+msgstr "नौ"
+
+msgid "today"
+msgstr "आज"
+
+msgid "tomorrow"
+msgstr "कल"
+
+msgid "yesterday"
+msgstr "कल (बीता)"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s पहले"
+
+msgid "now"
+msgstr "अभी"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s अब से"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..99793a89
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..635ea6d3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,291 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 21:47+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "one"
+msgstr "jedan"
+
+msgid "two"
+msgstr "dva"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "četiri"
+
+msgid "five"
+msgstr "pet"
+
+msgid "six"
+msgstr "šest"
+
+msgid "seven"
+msgstr "sedam"
+
+msgid "eight"
+msgstr "osam"
+
+msgid "nine"
+msgstr "devet"
+
+msgid "today"
+msgstr "danas"
+
+msgid "tomorrow"
+msgstr "sutra"
+
+msgid "yesterday"
+msgstr "jučer"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "prije %(delta)s"
+
+msgid "now"
+msgstr "sad"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "prije %(count)s sekunde"
+msgstr[1] "prije %(count)s sekundi"
+msgstr[2] "prije %(count)s sekundi"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "prije %(count)s minute"
+msgstr[1] "prije %(count)s minute"
+msgstr[2] "prije %(count)s minuta"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d9618ca5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7446faa7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,387 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2018,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-28 18:41+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Humanize"
+msgstr "Humanize"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milion"
+msgstr[1] "%(value)s milionaj"
+msgstr[2] "%(value)s miliony"
+msgstr[3] "%(value)s milionow"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliarda"
+msgstr[1] "%(value)s miliardźe"
+msgstr[2] "%(value)s miliardy"
+msgstr[3] "%(value)s miliardow"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s bilion"
+msgstr[1] "%(value)s bilionaj"
+msgstr[2] "%(value)s biliony"
+msgstr[3] "%(value)s bilionow"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s biliarda"
+msgstr[1] "%(value)s biliardźe"
+msgstr[2] "%(value)s biliardy"
+msgstr[3] "%(value)s biliardow"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trilion"
+msgstr[1] "%(value)s trilionaj"
+msgstr[2] "%(value)s triliony"
+msgstr[3] "%(value)s trilionow"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s triliarda"
+msgstr[1] "%(value)s triliardźe"
+msgstr[2] "%(value)s triliardy"
+msgstr[3] "%(value)s triliardow"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kwadrilion"
+msgstr[1] "%(value)s kwadrilionaj"
+msgstr[2] "%(value)s kwadriliony"
+msgstr[3] "%(value)s kwadrilionow"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kwadriliarda"
+msgstr[1] "%(value)s kwadriliardźe"
+msgstr[2] "%(value)s kwadriliardy"
+msgstr[3] "%(value)s kwadriliardow"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kwintilion"
+msgstr[1] "%(value)s kwintilionaj"
+msgstr[2] "%(value)s kwintiliony"
+msgstr[3] "%(value)s kwintilionow"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kwintiliarda"
+msgstr[1] "%(value)s kwintiliardźe"
+msgstr[2] "%(value)s kwintiliardy"
+msgstr[3] "%(value)s kwintiliardow"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s sedeciliarda"
+msgstr[1] "%(value)s sedeciliardźe"
+msgstr[2] "%(value)s sedeciliardy"
+msgstr[3] "%(value)s sedeciliardow"
+
+msgid "one"
+msgstr "jedyn"
+
+msgid "two"
+msgstr "dwaj"
+
+msgid "three"
+msgstr "tři"
+
+msgid "four"
+msgstr "štyri"
+
+msgid "five"
+msgstr "pjeć"
+
+msgid "six"
+msgstr "šěsć"
+
+msgid "seven"
+msgstr "sydom"
+
+msgid "eight"
+msgstr "wosom"
+
+msgid "nine"
+msgstr "dźewjeć"
+
+msgid "today"
+msgstr "dźensa"
+
+msgid "tomorrow"
+msgstr "jutře"
+
+msgid "yesterday"
+msgstr "wčera"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "Před %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "před %(count)s hodźinu"
+msgstr[1] "před %(count)s hodźinomaj"
+msgstr[2] "před %(count)s hodźinami"
+msgstr[3] "před %(count)s hodźinami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "před %(count)s mjeńšinu"
+msgstr[1] "před %(count)s mjeńšinomaj"
+msgstr[2] "před %(count)s mjeńšinami"
+msgstr[3] "před %(count)s mjeńšinami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "před %(count)s sekundu"
+msgstr[1] "před %(count)s sekundomaj"
+msgstr[2] "před %(count)s sekundami"
+msgstr[3] "před %(count)s sekundami"
+
+msgid "now"
+msgstr "nětko"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "za %(count)s sekundu"
+msgstr[1] "za %(count)s sekundźe"
+msgstr[2] "za %(count)s sekundy"
+msgstr[3] "za %(count)s sekundow"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "za %(count)s mjeńšinu"
+msgstr[1] "za %(count)s mjeńšinje"
+msgstr[2] "za %(count)s mjeńšiny"
+msgstr[3] "za %(count)s mjeńšin"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "za %(count)s hodźinu"
+msgstr[1] "za %(count)s hodźinje"
+msgstr[2] "za %(count)s hodźiny"
+msgstr[3] "za %(count)s hodźin"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s wotnětka"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d lěto"
+msgstr[1] "%(num)d lěće"
+msgstr[2] "%(num)d lěta"
+msgstr[3] "%(num)d lět"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d měsac"
+msgstr[1] "%(num)d měsacaj"
+msgstr[2] "%(num)d měsacy"
+msgstr[3] "%(num)d měsacow"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d tydźeń"
+msgstr[1] "%(num)d njedźeli"
+msgstr[2] "%(num)d njedźele"
+msgstr[3] "%(num)d njedźel"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dźeń"
+msgstr[1] "%(num)d dnjej"
+msgstr[2] "%(num)d dny"
+msgstr[3] "%(num)d dnjow"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hodźina"
+msgstr[1] "%(num)d hodźinje"
+msgstr[2] "%(num)d hodźiny"
+msgstr[3] "%(num)d hodźin"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d mjeńšina"
+msgstr[1] "%(num)d mjeńšinje"
+msgstr[2] "%(num)d mjeńšiny"
+msgstr[3] "%(num)d mjeńšin"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d lěto"
+msgstr[1] "%(num)d lěće"
+msgstr[2] "%(num)d lěta"
+msgstr[3] "%(num)d lět"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d měsac"
+msgstr[1] "%(num)d měsacaj"
+msgstr[2] "%(num)d měsacy"
+msgstr[3] "%(num)d měsacow"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d tydźeń"
+msgstr[1] "%(num)d njedźeli"
+msgstr[2] "%(num)d njedźele"
+msgstr[3] "%(num)d njedźel"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dźeń"
+msgstr[1] "%(num)d dnjej"
+msgstr[2] "%(num)d dny"
+msgstr[3] "%(num)d dnjow"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hodźina"
+msgstr[1] "%(num)d hodźinje"
+msgstr[2] "%(num)d hodźiny"
+msgstr[3] "%(num)d hodźin"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d mjeńšina"
+msgstr[1] "%(num)d mjeńšinje"
+msgstr[2] "%(num)d mjeńšiny"
+msgstr[3] "%(num)d mjeńšin"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e2052fb4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..01c7ff44
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,332 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016,2018
+# Attila Nagy <>, 2012
+# Balázs R, 2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# János R, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:40+0000\n"
+"Last-Translator: Balázs R, 2023\n"
+"Language-Team: Hungarian (http://app.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Emberi formázás"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s millió"
+msgstr[1] "%(value)s millió"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] " %(value)s milliárd"
+msgstr[1] " %(value)s milliárd"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billió"
+msgstr[1] "%(value)s billió"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s billiárd"
+msgstr[1] "%(value)s billiárd"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trillió"
+msgstr[1] "%(value)s trillió"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s trilliárd"
+msgstr[1] "%(value)s trilliárd"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kvadrillió"
+msgstr[1] "%(value)s kvadrillió"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kvadrilliárd"
+msgstr[1] "%(value)s kvadrilliárd"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kvintillió"
+msgstr[1] "%(value)s kvintillió"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kvintilliárd"
+msgstr[1] "%(value)s kvintilliárd"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "egy"
+
+msgid "two"
+msgstr "kettő"
+
+msgid "three"
+msgstr "három"
+
+msgid "four"
+msgstr "négy"
+
+msgid "five"
+msgstr "öt"
+
+msgid "six"
+msgstr "hat"
+
+msgid "seven"
+msgstr "hét"
+
+msgid "eight"
+msgstr "nyolc"
+
+msgid "nine"
+msgstr "kilenc"
+
+msgid "today"
+msgstr "ma"
+
+msgid "tomorrow"
+msgstr "holnap"
+
+msgid "yesterday"
+msgstr "tegnap"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr " %(delta)s ezelőtt"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "egy órája"
+msgstr[1] "%(count)s órája"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "egy perce"
+msgstr[1] "%(count)s perce"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "egy másodperce"
+msgstr[1] "%(count)s másodperce"
+
+msgid "now"
+msgstr "most"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "egy másodperc múlva"
+msgstr[1] "%(count)s másodperc múlva"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "egy perc múlva"
+msgstr[1] "%(count)s perc múlva"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "egy óra múlva"
+msgstr[1] "%(count)s óra múlva"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s múlva"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d évvel"
+msgstr[1] "%(num)d évvel"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d hónappal"
+msgstr[1] "%(num)d hónappal"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d héttel"
+msgstr[1] "%(num)d héttel"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d nappal"
+msgstr[1] "%(num)d nappal"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d órával"
+msgstr[1] "%(num)d órával"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d perccel"
+msgstr[1] "%(num)d perccel"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d év"
+msgstr[1] "%(num)d év"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d hónap"
+msgstr[1] "%(num)d hónap"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d hét"
+msgstr[1] "%(num)d hét"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d nap"
+msgstr[1] "%(num)d nap"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d óra"
+msgstr[1] "%(num)d óra"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d perc"
+msgstr[1] "%(num)d perc"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b41d6f86
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ebd773e8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,395 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Artur Saroyan <>, 2012
+# Ruben Harutyunov <rharutyunov@mail.ru>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-11-11 20:06+0000\n"
+"Last-Translator: Ruben Harutyunov <rharutyunov@mail.ru>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ին"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}րդ"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}րդ"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1fմիլիոն"
+msgstr[1] "%(value).1fմիլիոն"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "մեկ"
+
+msgid "two"
+msgstr "երկու"
+
+msgid "three"
+msgstr "երեք"
+
+msgid "four"
+msgstr "չորս"
+
+msgid "five"
+msgstr "հինգ"
+
+msgid "six"
+msgstr "վեց"
+
+msgid "seven"
+msgstr "յոթ"
+
+msgid "eight"
+msgstr "ութ"
+
+msgid "nine"
+msgstr "ինը"
+
+msgid "today"
+msgstr "այսօր"
+
+msgid "tomorrow"
+msgstr "վաղը"
+
+msgid "yesterday"
+msgstr "երեկ"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "now"
+msgstr "հիմա"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9e1f2508
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cc7aec53
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2012,2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Martijn Dekker <mcdutchie@hotmail.com>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanisar"
+
+msgid "th"
+msgstr "e"
+
+msgid "st"
+msgstr "me"
+
+msgid "nd"
+msgstr "nde"
+
+msgid "rd"
+msgstr "tie"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f million"
+msgstr[1] "%(value).1f milliones"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s milliones"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f milliardo"
+msgstr[1] "%(value).1f milliardos"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milliardo"
+msgstr[1] "%(value)s milliardos"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f billion"
+msgstr[1] "%(value).1f billiones"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billion"
+msgstr[1] "%(value)s billiones"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f billiardo"
+msgstr[1] "%(value).1f billiardos"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s billiardo"
+msgstr[1] "%(value)s billiardos"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f trillion"
+msgstr[1] "%(value).1f trilliones"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trillion"
+msgstr[1] "%(value)s trilliones"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f trilliardo"
+msgstr[1] "%(value).1f trilliardos"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s trilliardo"
+msgstr[1] "%(value)s trilliardos"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f quadrillion"
+msgstr[1] "%(value).1f quadrilliones"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s quadrillion"
+msgstr[1] "%(value)s quadrilliones"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f quadrilliardo"
+msgstr[1] "%(value).1f quadrilliardos"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s quadrilliardo"
+msgstr[1] "%(value)s quadrilliardos"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f quintillion"
+msgstr[1] "%(value).1f quintilliones"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s quintillion"
+msgstr[1] "%(value)s quintilliones"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f quintilliardo"
+msgstr[1] "%(value).1f quintilliardos"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s quintilliardo"
+msgstr[1] "%(value)s quintilliardos"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googoles"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googoles"
+
+msgid "one"
+msgstr "un"
+
+msgid "two"
+msgstr "duo"
+
+msgid "three"
+msgstr "tres"
+
+msgid "four"
+msgstr "quatro"
+
+msgid "five"
+msgstr "cinque"
+
+msgid "six"
+msgstr "sex"
+
+msgid "seven"
+msgstr "septe"
+
+msgid "eight"
+msgstr "octo"
+
+msgid "nine"
+msgstr "novem"
+
+msgid "today"
+msgstr "hodie"
+
+msgid "tomorrow"
+msgstr "deman"
+
+msgid "yesterday"
+msgstr "heri"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s retro"
+
+msgid "now"
+msgstr "ora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "un secunda retro"
+msgstr[1] "%(count)s secundas retro"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "un minuta retro"
+msgstr[1] "%(count)s minutas retro"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "un hora retro"
+msgstr[1] "%(count)s horas retro"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "in %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "un secunda desde ora"
+msgstr[1] "%(count)s secundas desde ora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "un minuta desde ora"
+msgstr[1] "%(count)s minutas desde ora"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "un hora desde ora"
+msgstr[1] "%(count)s horas desde ora"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c464dc71
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8acb99de
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,304 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2016,2018,2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# rodin <romihardiyanto@gmail.com>, 2011-2012
+# rodin <romihardiyanto@gmail.com>, 2014
+# sag᠎e <laymonage@gmail.com>, 2019
+# Sutrisno Efendi <kangfend@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-10-06 09:17+0000\n"
+"Last-Translator: Fery Setiawan <gembelweb@gmail.com>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "Memanusiawikan"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "ke-{}"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "ke-{}"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s juta"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliar"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s triliun"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kuadriliun"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kuintiliun"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstiliun"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septiliun"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktiliun"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s noniliun"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s desiliun"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+
+msgid "one"
+msgstr "satu"
+
+msgid "two"
+msgstr "dua"
+
+msgid "three"
+msgstr "tiga"
+
+msgid "four"
+msgstr "empat"
+
+msgid "five"
+msgstr "lima"
+
+msgid "six"
+msgstr "enam"
+
+msgid "seven"
+msgstr "tujuh"
+
+msgid "eight"
+msgstr "delapan"
+
+msgid "nine"
+msgstr "sembilan"
+
+msgid "today"
+msgstr "hari ini"
+
+msgid "tomorrow"
+msgstr "besok"
+
+msgid "yesterday"
+msgstr "kemarin"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s yang lalu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s jam yang lalu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s menit yang lalu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s detik yang lalu"
+
+msgid "now"
+msgstr "sekarang"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s detik dari sekarang"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s menit dari sekarang"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s jam dari sekarang"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s dari sekarang"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d tahun"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d bulan"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d minggu"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d hari"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d jam"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d menit"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d tahun"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d bulan"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d minggu"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d hari"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d jam"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d menit"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fba64da8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..046e7758
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,261 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:11+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/projects/p/django/language/"
+"io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b22c4adc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d9b14c02
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,399 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# gudmundur <inactive+gudmundur@transifex.com>, 2012
+# Hafsteinn Einarsson <haffi67@gmail.com>, 2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Matt R, 2018
+# Thordur Sigurdsson <thordur@ja.is>, 2016,2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2018-05-17 11:49+0200\n"
+"PO-Revision-Date: 2018-05-18 03:49+0000\n"
+"Last-Translator: Thordur Sigurdsson <thordur@ja.is>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Humanize"
+msgstr ""
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milljón"
+msgstr[1] "%(value).1f milljónir"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milljón"
+msgstr[1] "%(value)s milljónir"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f milljarður"
+msgstr[1] "%(value).1f milljarðar"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milljarður"
+msgstr[1] "%(value)s milljarðar"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f billjarður"
+msgstr[1] "%(value).1f billjónir"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billjón"
+msgstr[1] "%(value)s billjónir"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f billjarður"
+msgstr[1] "%(value).1f billjarðar"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s billjarður"
+msgstr[1] "%(value)s billjarðar"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f trilljón"
+msgstr[1] "%(value).1f trilljónir"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trilljón"
+msgstr[1] "%(value)s trilljónir"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f trilljarður"
+msgstr[1] "%(value).1f trilljarðar"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s trilljarður"
+msgstr[1] "%(value)s trilljarðar"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f kvaðrilljón"
+msgstr[1] "%(value).1f kvaðrilljónir"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kvaðrilljón"
+msgstr[1] "%(value)s kvaðrilljónir"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f kvaðrilljarður"
+msgstr[1] "%(value).1f kvaðrilljarðar"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kvaðrilljarður"
+msgstr[1] "%(value)s kvaðrilljarðar"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f kvintilljón"
+msgstr[1] "%(value).1f kvintilljónir"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kvintilljón"
+msgstr[1] "%(value)s kvintilljónir"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f kvintilljarður"
+msgstr[1] "%(value).1f kvintilljarðar"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kvintilljarður"
+msgstr[1] "%(value)s kvintilljarðar"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "einn"
+
+msgid "two"
+msgstr "tveir"
+
+msgid "three"
+msgstr "þrír"
+
+msgid "four"
+msgstr "fjórir"
+
+msgid "five"
+msgstr "fimm"
+
+msgid "six"
+msgstr "sex"
+
+msgid "seven"
+msgstr "sjö"
+
+msgid "eight"
+msgstr "átta"
+
+msgid "nine"
+msgstr "níu"
+
+msgid "today"
+msgstr "í dag"
+
+msgid "tomorrow"
+msgstr "á morgun"
+
+msgid "yesterday"
+msgstr "í gær"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in
+#. '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "now"
+msgstr "núna"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-future' strings will be included in
+#. '%(delta)s from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..efebe277
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/it/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4e1c2227
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,368 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carlo Miron <carlo@miron.it>, 2014
+# Carlo Miron <carlo@miron.it>, 2018
+# Davide Targa <davide.targa@gmail.com>, 2021
+# Federico Capoano <federico.capoano@teletu.it>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luca Manlio De Lisi <lukefiltroman@gmail.com>, 2011
+# Marco Bonetti, 2014
+# Mirco Grillo <mirco.grillomg@gmail.com>, 2018
+# Nicola Larosa <transifex@teknico.net>, 2011
+# palmux <palmux@gmail.com>, 2015
+# Paolo Melchiorre <paolo@melchiorre.org>, 2023
+# Stefano Brentegani <sbrentegani@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2023-04-24 18:40+0000\n"
+"Last-Translator: Paolo Melchiorre <paolo@melchiorre.org>, 2023\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Umanizzazione "
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}esimo"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}esimo"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milione"
+msgstr[1] "%(value)s milioni"
+msgstr[2] "%(value)s milioni"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliardo"
+msgstr[1] "%(value)s miliardi"
+msgstr[2] "%(value)s miliardi"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s migliaio di miliardi"
+msgstr[1] "%(value)s migliaia di miliardi"
+msgstr[2] "%(value)s migliaia di miliardi"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s milione di miliardi"
+msgstr[1] "%(value)s milioni di miliardi"
+msgstr[2] "%(value)s milioni di miliardi"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s miliardo di miliardi"
+msgstr[1] "%(value)s miliardi di miliardi"
+msgstr[2] "%(value)s miliardi di miliardi"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s migliaio di miliardi di miliardi"
+msgstr[1] "%(value)s migliaia di miliardi di miliardi"
+msgstr[2] "%(value)s migliaia di miliardi di miliardi"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s milione di miliardi di miliardi"
+msgstr[1] "%(value)s milioni di miliardi di miliardi"
+msgstr[2] "%(value)s milioni di miliardi di miliardi"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s miliardo di miliardi di miliardi"
+msgstr[1] "%(value)s miliardi di miliardi di miliardi"
+msgstr[2] "%(value)s miliardi di miliardi di miliardi"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s migliaio di miliardi di miliardi di miliardi"
+msgstr[1] "%(value)s migliaia di miliardi di miliardi di miliardi"
+msgstr[2] "%(value)s migliaia di miliardi di miliardi di miliardi"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s milione di miliardi di miliardi di miliardi"
+msgstr[1] "%(value)s milioni di miliardi di miliardi di miliardi"
+msgstr[2] "%(value)s milioni di miliardi di miliardi di miliardi"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+msgstr[2] "%(value)s googol"
+
+msgid "one"
+msgstr "uno"
+
+msgid "two"
+msgstr "due"
+
+msgid "three"
+msgstr "tre"
+
+msgid "four"
+msgstr "quattro"
+
+msgid "five"
+msgstr "cinque"
+
+msgid "six"
+msgstr "sei"
+
+msgid "seven"
+msgstr "sette"
+
+msgid "eight"
+msgstr "otto"
+
+msgid "nine"
+msgstr "nove"
+
+msgid "today"
+msgstr "oggi"
+
+msgid "tomorrow"
+msgstr "domani"
+
+msgid "yesterday"
+msgstr "ieri"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s fa"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "un ora fa"
+msgstr[1] "%(count)s ore fa"
+msgstr[2] "%(count)s ore fa"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "un minuto fa"
+msgstr[1] "%(count)s minuti fa"
+msgstr[2] "%(count)s minuti fa"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "un secondo fa"
+msgstr[1] "%(count)s secondi fa"
+msgstr[2] "%(count)s secondi fa"
+
+msgid "now"
+msgstr "adesso"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "tra un secondo"
+msgstr[1] "tra %(count)s secondi"
+msgstr[2] "tra %(count)s secondi"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "tra un minuto"
+msgstr[1] "tra %(count)s minuti"
+msgstr[2] "tra %(count)s minuti"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "tra un'ora"
+msgstr[1] "tra %(count)s ore"
+msgstr[2] "tra %(count)s ore"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s da adesso"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d anno"
+msgstr[1] "%(num)d anni"
+msgstr[2] "%(num)d anni"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mese"
+msgstr[1] "%(num)d mesi"
+msgstr[2] "%(num)d mesi"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d settimana"
+msgstr[1] "%(num)d settimane"
+msgstr[2] "%(num)d settimane"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d giorno"
+msgstr[1] "%(num)d giorni"
+msgstr[2] "%(num)d giorni"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ora"
+msgstr[1] "%(num)d ore"
+msgstr[2] "%(num)d ore"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minuti"
+msgstr[2] "%(num)d minuti"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d anno"
+msgstr[1] "%(num)d anni"
+msgstr[2] "%(num)d anni"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mese"
+msgstr[1] "%(num)d mesi"
+msgstr[2] "%(num)d mesi"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d settimana"
+msgstr[1] "%(num)d settimane"
+msgstr[2] "%(num)d settimane"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d giorno"
+msgstr[1] "%(num)d giorni"
+msgstr[2] "%(num)d giorni"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ora"
+msgstr[1] "%(num)d ore"
+msgstr[2] "%(num)d ore"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minuti"
+msgstr[2] "%(num)d minuti"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0e043b9e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f077d0aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,301 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonas Obrist <ojiidotch@gmail.com>, 2012
+# Shinya Okano <tokibito@gmail.com>, 2012-2014,2018,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-10-13 11:44+0000\n"
+"Last-Translator: Shinya Okano <tokibito@gmail.com>\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "ヒューマナイズ"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}番目"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}番目"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s ミリオン"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s ビリオン"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s トリリオン"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] " %(value)s クァドリリオン"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s クインテリオン"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s セクスティリオン"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s セプティリオン"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s オクティリオン"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s ノニリオン"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s デシリオン"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s グーゴル"
+
+msgid "one"
+msgstr "1"
+
+msgid "two"
+msgstr "2"
+
+msgid "three"
+msgstr "3"
+
+msgid "four"
+msgstr "4"
+
+msgid "five"
+msgstr "5"
+
+msgid "six"
+msgstr "6"
+
+msgid "seven"
+msgstr "7"
+
+msgid "eight"
+msgstr "8"
+
+msgid "nine"
+msgstr "9"
+
+msgid "today"
+msgstr "今日"
+
+msgid "tomorrow"
+msgstr "明日"
+
+msgid "yesterday"
+msgstr "昨日"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s時間前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s分前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s秒前"
+
+msgid "now"
+msgstr "今"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "今から%(count)s秒"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "今から%(count)s分"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "今から%(count)s時間"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "今から%(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d年"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)dヶ月"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d週間"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d日"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d時間"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d分"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d年"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)dヶ月"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d週間"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d日"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d時間"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d分"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..61fb3e01
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e9cbf256
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,395 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2013-2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-05-18 01:38+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Humanize"
+msgstr "ჰუმანიზირება"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f მილიონი"
+msgstr[1] "%(value).1f მილიონი"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s მილიონი"
+msgstr[1] "%(value)s მილიონი"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f მილიარდი"
+msgstr[1] "%(value).1f მილიარდი"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s მილიარდი"
+msgstr[1] "%(value)s მილიარდი"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f ტრილიონი"
+msgstr[1] "%(value).1f ტრილიონი"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s ტრილიონი"
+msgstr[1] "%(value)s ტრილიონი"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f კვადრილიონი"
+msgstr[1] "%(value).1f კვადრილიონი"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s კვადრილიონი"
+msgstr[1] "%(value)s კვადრილიონი"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f კვინტილიონი"
+msgstr[1] "%(value).1f კვინტილიონი"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s კვინტილიონი"
+msgstr[1] "%(value)s კვინტილიონი"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f სექსტილიონი"
+msgstr[1] "%(value).1f სექსტილიონი"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s სექსტილიონი"
+msgstr[1] "%(value)s სექსტილიონი"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f სეპტილიონი"
+msgstr[1] "%(value).1f სეპტილიონი"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s სეპტილიონი"
+msgstr[1] "%(value)s სეპტილიონი"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f ოქტილიონი"
+msgstr[1] "%(value).1f ოქტილიონი"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s ოქტილიონი"
+msgstr[1] "%(value)s ოქტილიონი"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f ნონილიონი"
+msgstr[1] "%(value).1f ნონილიონი"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s ნონილიონი"
+msgstr[1] "%(value)s ნონილიონი"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f დეცილიონი"
+msgstr[1] "%(value).1f დეცილიონი"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s დეცილიონი"
+msgstr[1] "%(value)s დეცილიონი"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f გუგოლი"
+msgstr[1] "%(value).1f გუგოლი"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s გუგოლი"
+msgstr[1] "%(value)s გუგოლი"
+
+msgid "one"
+msgstr "ერთი"
+
+msgid "two"
+msgstr "ორი"
+
+msgid "three"
+msgstr "სამი"
+
+msgid "four"
+msgstr "ოთხი"
+
+msgid "five"
+msgstr "ხუთი"
+
+msgid "six"
+msgstr "ექვსი"
+
+msgid "seven"
+msgstr "შვიდი"
+
+msgid "eight"
+msgstr "რვა"
+
+msgid "nine"
+msgstr "ცხრა"
+
+msgid "today"
+msgstr "დღეს"
+
+msgid "tomorrow"
+msgstr "ხვალ"
+
+msgid "yesterday"
+msgstr "გუშინ"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s საათის წინ"
+msgstr[1] "%(count)s საათის წინ"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s წუთის წინ"
+msgstr[1] "%(count)s წუთის წინ"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s წამის წინ"
+msgstr[1] "%(count)s წამის წინ"
+
+msgid "now"
+msgstr "ახლა"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s წამში"
+msgstr[1] "%(count)s წამში"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s წუთში"
+msgstr[1] "%(count)s წუთში"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s საათში"
+msgstr[1] "%(count)s საათში"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4e22806d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..75a6a385
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,394 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Leo Trubach <leotrubach@gmail.com>, 2017
+# yun_man_ger <germanilyin@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-05-18 01:38+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f миллион"
+msgstr[1] "%(value).1f миллион"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s миллион"
+msgstr[1] "%(value)s миллион"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f миллиард"
+msgstr[1] "%(value).1f миллиард"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s миллиард"
+msgstr[1] "%(value)s миллиард"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f триллион"
+msgstr[1] "%(value).1f триллион"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trillion"
+msgstr[1] "%(value)s trillion"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f квадриллион"
+msgstr[1] "%(value).1f квадриллион"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s квадриллион"
+msgstr[1] "%(value)s квадриллион"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f квинтиллион"
+msgstr[1] "%(value).1f квинтиллион"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s квинтиллион"
+msgstr[1] "%(value)s квинтиллион"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "бір"
+
+msgid "two"
+msgstr "екі"
+
+msgid "three"
+msgstr "үш"
+
+msgid "four"
+msgstr "төрт"
+
+msgid "five"
+msgstr "бес"
+
+msgid "six"
+msgstr "алты"
+
+msgid "seven"
+msgstr "жеті"
+
+msgid "eight"
+msgstr "сегіз"
+
+msgid "nine"
+msgstr "тоғыз"
+
+msgid "today"
+msgstr "бүгін"
+
+msgid "tomorrow"
+msgstr "ерте"
+
+msgid "yesterday"
+msgstr "кеше"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "now"
+msgstr "кәзір"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..482b022a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0aab550a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,233 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:11+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/projects/p/django/language/"
+"km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b75cf46d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9e7eeb91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,233 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:11+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Kannada (http://www.transifex.com/projects/p/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1c311bbe
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ko/LC_MESSAGES/django.po
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index 00000000..82cda2db
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,304 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ian Y. Choi <ianyrchoi@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Le Tartuffe <magno79@gmail.com>, 2014
+# JunGu Kang <chr0m3.kr@gmail.com>, 2015
+# Seho Noh <iam@sehonoh.kr>, 2018
+# 정훈 이, 2021
+# Jrog <jrog612@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-12-24 18:40+0000\n"
+"Last-Translator: 정훈 이\n"
+"Language-Team: Korean (http://www.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "인간화"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}번째"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}번째"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s 백만"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s 십억"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s 조"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s 천조"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s 백경"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s 섹틸리언-10의21제곱"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s 셉틸리언-10의 24제곱"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s 옥틸리언-10의 27제곱"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s 노닐리언-10의30제곱"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s 디실리언-10의 33제곱"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s 구골-10의 100제곱"
+
+msgid "one"
+msgstr "1"
+
+msgid "two"
+msgstr "2"
+
+msgid "three"
+msgstr "3"
+
+msgid "four"
+msgstr "4"
+
+msgid "five"
+msgstr "5"
+
+msgid "six"
+msgstr "6"
+
+msgid "seven"
+msgstr "7"
+
+msgid "eight"
+msgstr "8"
+
+msgid "nine"
+msgstr "9"
+
+msgid "today"
+msgstr "오늘"
+
+msgid "tomorrow"
+msgstr "내일"
+
+msgid "yesterday"
+msgstr "어제"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s 전"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s 시간 전"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s 분 전"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s 초 전"
+
+msgid "now"
+msgstr "지금"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "지금부터 %(count)s 초"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "지금부터 %(count)s 분"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "지금부터 %(count)s 시간"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "지금부터 %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d년"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d개월"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d주"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d일"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d시간"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d분"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d년"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d개월"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d주"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d일"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d시간"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d분"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..669a321d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1308815c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,299 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2021
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-11-27 14:11+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "Инсандаштыруу"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}нчы"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}үнчү"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}инчи"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}инчи"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}үнчү"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}үнчү"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}инчи"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}нчы"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}инчи"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}инчи"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}унчу"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)sмиллион"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)sмиллиард"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)sтриллион"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)sквадриллион"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)sквинтиллион"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)sсекстиллион"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)sсептиллион"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)sоктиллион"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)sнонтиллион"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)sдесилион"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)sгугл"
+
+msgid "one"
+msgstr "бир"
+
+msgid "two"
+msgstr "эки"
+
+msgid "three"
+msgstr "үч"
+
+msgid "four"
+msgstr "төрт"
+
+msgid "five"
+msgstr "беш"
+
+msgid "six"
+msgstr "алты"
+
+msgid "seven"
+msgstr "жети"
+
+msgid "eight"
+msgstr "сегиз"
+
+msgid "nine"
+msgstr "тогуз"
+
+msgid "today"
+msgstr "бүгүн"
+
+msgid "tomorrow"
+msgstr "эртең"
+
+msgid "yesterday"
+msgstr "кечээ"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s мурда"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)sсаат мурда"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)sмүнөт мурда"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)sсекунд мурда"
+
+msgid "now"
+msgstr "азыр"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "мындан%(count)sсекунд мурда"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "мындан%(count)sмүнөт мурда"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "мындан%(count)sсаат мурда"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "мындан %(delta)s мурда"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d жыл"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ай"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d апта"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d күн"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d саат"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d мүнөт"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d жыл"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ай"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d апта"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d күн"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d саат"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d мүнөт"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b7937f6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..32550deb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,261 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d6f5ca25
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a9fa708d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,477 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Matas Dailyda <matas@dailyda.com>, 2015,2018
+# Simonas Kazlauskas <simonas@kazlauskas.me>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-05-18 08:22+0000\n"
+"Last-Translator: Matas Dailyda <matas@dailyda.com>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Humanize"
+msgstr "Sužmoginti"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}-as"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}-as"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milijonas"
+msgstr[1] "%(value).1f milijonai"
+msgstr[2] "%(value).1f milijonų"
+msgstr[3] "%(value).1f milijonų"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milijonas"
+msgstr[1] "%(value)s milijonai"
+msgstr[2] "%(value)s milijonų"
+msgstr[3] "%(value)s milijonų"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f milijardas"
+msgstr[1] "%(value).1f milijardai"
+msgstr[2] "%(value).1f milijardų"
+msgstr[3] "%(value).1f milijardų"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milijardas"
+msgstr[1] "%(value)s milijardai"
+msgstr[2] "%(value)s milijardų"
+msgstr[3] "%(value)s milijardų"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trilijonas"
+msgstr[1] "%(value).1f trilijonai"
+msgstr[2] "%(value).1f trilijonų"
+msgstr[3] "%(value).1f trilijonų"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilijonas"
+msgstr[1] "%(value)s trilijonai"
+msgstr[2] "%(value)s trilijonų"
+msgstr[3] "%(value)s trilijonų"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f kvadrilijonas"
+msgstr[1] "%(value).1f kvadrilijonai"
+msgstr[2] "%(value).1f kvadrilijonų"
+msgstr[3] "%(value).1f kvadrilijonų"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadrilijonas"
+msgstr[1] "%(value)s kvadrilijonai"
+msgstr[2] "%(value)s kvadrilijonų"
+msgstr[3] "%(value)s kvadrilijonų"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f kvintilijonas"
+msgstr[1] "%(value).1f kvintilijonai"
+msgstr[2] "%(value).1f kvintilijonų"
+msgstr[3] "%(value).1f kvintilijonų"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintilijonas"
+msgstr[1] "%(value)s kvintilijonai"
+msgstr[2] "%(value)s kvintilijonų"
+msgstr[3] "%(value)s kvintilijonų"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sikstilijonas"
+msgstr[1] "%(value).1f sikstilijonai"
+msgstr[2] "%(value).1f sikstilijonų"
+msgstr[3] "%(value).1f sikstilijonų"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sikstilijonas"
+msgstr[1] "%(value)s sikstilijonai"
+msgstr[2] "%(value)s sikstilijonų"
+msgstr[3] "%(value)s sikstilijonų"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septilijonas"
+msgstr[1] "%(value).1f septilijonai"
+msgstr[2] "%(value).1f septilijonų"
+msgstr[3] "%(value).1f septilijonų"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilijonas"
+msgstr[1] "%(value)s septilijonai"
+msgstr[2] "%(value)s septilijonų"
+msgstr[3] "%(value)s septilijonų"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f oktilijonas"
+msgstr[1] "%(value).1f oktilijonai"
+msgstr[2] "%(value).1f oktilijonų"
+msgstr[3] "%(value).1f oktilijonų"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktilijonas"
+msgstr[1] "%(value)s oktilijonai"
+msgstr[2] "%(value)s oktilijonų"
+msgstr[3] "%(value)s oktilijonų"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f naintilijonas"
+msgstr[1] "%(value).1f naintilijonai"
+msgstr[2] "%(value).1f naintilijonų"
+msgstr[3] "%(value).1f naintilijonų"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s naintilijonas"
+msgstr[1] "%(value)s naintilijonai"
+msgstr[2] "%(value)s naintilijonų"
+msgstr[3] "%(value)s naintilijonų"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decilijonas"
+msgstr[1] "%(value).1f decilijonai"
+msgstr[2] "%(value).1f decilijonų"
+msgstr[3] "%(value).1f decilijonų"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decilijonas"
+msgstr[1] "%(value)s decilijonai"
+msgstr[2] "%(value)s decilijonų"
+msgstr[3] "%(value)s decilijonų"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f gugolas"
+msgstr[1] "%(value).1f gugolai"
+msgstr[2] "%(value).1f gugolų"
+msgstr[3] "%(value).1f gugolų"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gugolas"
+msgstr[1] "%(value)s gugolai"
+msgstr[2] "%(value)s gugolų"
+msgstr[3] "%(value)s gugolų"
+
+msgid "one"
+msgstr "vienas"
+
+msgid "two"
+msgstr "du"
+
+msgid "three"
+msgstr "trys"
+
+msgid "four"
+msgstr "keturi"
+
+msgid "five"
+msgstr "penki"
+
+msgid "six"
+msgstr "šeši"
+
+msgid "seven"
+msgstr "septyni"
+
+msgid "eight"
+msgstr "aštuoni"
+
+msgid "nine"
+msgstr "devyni"
+
+msgid "today"
+msgstr "šiandien"
+
+msgid "tomorrow"
+msgstr "rytoj"
+
+msgid "yesterday"
+msgstr "vakar"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "prieš %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "prieš %(count)s valandą"
+msgstr[1] "prieš %(count)s valandas"
+msgstr[2] "prieš %(count)s valandų"
+msgstr[3] "prieš %(count)s valandų"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "prieš %(count)s minutę"
+msgstr[1] "prieš %(count)s minutes"
+msgstr[2] "prieš %(count)s minučių"
+msgstr[3] "prieš %(count)s minučių"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "prieš %(count)s sekundę"
+msgstr[1] "prieš %(count)s sekundes"
+msgstr[2] "prieš %(count)s sekundžių"
+msgstr[3] "prieš %(count)s sekundžių"
+
+msgid "now"
+msgstr "dabar"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s sekundė nuo dabar"
+msgstr[1] "%(count)s sekundes nuo dabar"
+msgstr[2] "%(count)s skundžių nuo dabar"
+msgstr[3] "%(count)s skundžių nuo dabar"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s minutė nuo dabar"
+msgstr[1] "%(count)s minutės nuo dabar"
+msgstr[2] "%(count)s minučių nuo dabar"
+msgstr[3] "%(count)s minučių nuo dabar"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s valandą nuo dabar"
+msgstr[1] "%(count)s valandos nuo dabar"
+msgstr[2] "%(count)s valandų nuo dabar"
+msgstr[3] "%(count)s valandų nuo dabar"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s nuo dabar"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d metus"
+msgstr[1] "%d metus"
+msgstr[2] "%d metų"
+msgstr[3] "%d metų"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d mėnesį"
+msgstr[1] "%d mėnesius"
+msgstr[2] "%d mėnesių"
+msgstr[3] "%d mėnesių"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d savaitę"
+msgstr[1] "%d savaites"
+msgstr[2] "%d savaičių"
+msgstr[3] "%d savaičių"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d dieną"
+msgstr[1] "%d dienas"
+msgstr[2] "%d dienų"
+msgstr[3] "%d dienų"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d valandą"
+msgstr[1] "%d valandas"
+msgstr[2] "%d valandų"
+msgstr[3] "%d valandų"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minutę"
+msgstr[1] "%d minutes"
+msgstr[2] "%d minučių"
+msgstr[3] "%d minučių"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d metus"
+msgstr[1] "%d metus"
+msgstr[2] "%d metų"
+msgstr[3] "%d metų"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d mėnesį"
+msgstr[1] "%d mėnesius"
+msgstr[2] "%d mėnesių"
+msgstr[3] "%d mėnesių"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d savaitę"
+msgstr[1] "%d savaites"
+msgstr[2] "%d savaičių"
+msgstr[3] "%d savaičių"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d dieną"
+msgstr[1] "%d dienas"
+msgstr[2] "%d dienų"
+msgstr[3] "%d dienų"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d valandą"
+msgstr[1] "%d valandas"
+msgstr[2] "%d valandų"
+msgstr[3] "%d valandų"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minutė"
+msgstr[1] "%d minutes"
+msgstr[2] "%d minučių"
+msgstr[3] "%d minučių"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..29d2e78f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..50569e5e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,363 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# NullIsNot0 <nullisnot0@inbox.lv>, 2017
+# NullIsNot0 <nullisnot0@inbox.lv>, 2017-2018
+# Jannis Leidel <jannis@leidel.info>, 2011
+# NullIsNot0 <nullisnot0@inbox.lv>, 2021
+# peterisb <pb@sungis.lv>, 2016
+# peterisb <pb@sungis.lv>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-10-06 05:15+0000\n"
+"Last-Translator: NullIsNot0 <nullisnot0@inbox.lv>\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Humanize"
+msgstr "Padarīt cilvēcīgu"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s miljonu"
+msgstr[1] "%(value)s miljons"
+msgstr[2] "%(value)s miljonu"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miljardu"
+msgstr[1] "%(value)s miljards"
+msgstr[2] "%(value)s miljardu"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s triljonu"
+msgstr[1] "%(value)s triljons"
+msgstr[2] "%(value)s triljonu"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadriljonu"
+msgstr[1] "%(value)s kvadriljons"
+msgstr[2] "%(value)s kvadriljonu"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintiljonu"
+msgstr[1] "%(value)s kvintiljons"
+msgstr[2] "%(value)s kvintiljonu"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstiljonu"
+msgstr[1] "%(value)s sekstiljons"
+msgstr[2] "%(value)s sekstiljonu"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septiljonu"
+msgstr[1] "%(value)s septiljons"
+msgstr[2] "%(value)s septiljonu"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktiljonu"
+msgstr[1] "%(value)s oktiljons"
+msgstr[2] "%(value)s oktiljonu"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s noniljonu"
+msgstr[1] "%(value)s noniljons"
+msgstr[2] "%(value)s noniljonu"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s dekaljonu"
+msgstr[1] "%(value)s dekaljons"
+msgstr[2] "%(value)s dekaljonu"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gugolu"
+msgstr[1] "%(value)s gugols"
+msgstr[2] "%(value)s gugolu"
+
+msgid "one"
+msgstr "viens"
+
+msgid "two"
+msgstr "divi"
+
+msgid "three"
+msgstr "trīs"
+
+msgid "four"
+msgstr "četri"
+
+msgid "five"
+msgstr "pieci"
+
+msgid "six"
+msgstr "seši"
+
+msgid "seven"
+msgstr "septiņi"
+
+msgid "eight"
+msgstr "astoņi"
+
+msgid "nine"
+msgstr "deviņi"
+
+msgid "today"
+msgstr "šodien"
+
+msgid "tomorrow"
+msgstr "rīt"
+
+msgid "yesterday"
+msgstr "vakar"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "pirms %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "pirms %(count)s stundas"
+msgstr[1] "pirms %(count)s stundām"
+msgstr[2] "pirms %(count)s stundām"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "pirms %(count)s minūtes"
+msgstr[1] "pirms %(count)s minūtēm"
+msgstr[2] "pirms %(count)s minūtēm"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "pirms %(count)s sekundes"
+msgstr[1] "pirms %(count)s sekundēm"
+msgstr[2] "pirms %(count)s sekundēm"
+
+msgid "now"
+msgstr "tagad"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "pēc %(count)s sekundes"
+msgstr[1] "pēc %(count)s sekundēm"
+msgstr[2] "pēc %(count)s sekundēm"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "pēc %(count)s minūtes"
+msgstr[1] "pēc %(count)s minūtēm"
+msgstr[2] "pēc %(count)s minūtēm"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "pēc %(count)s stundas"
+msgstr[1] "pēc %(count)s stundām"
+msgstr[2] "pēc %(count)s stundām"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "pēc %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d gadi"
+msgstr[1] "%(num)d gads"
+msgstr[2] "%(num)d gadi"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mēneši"
+msgstr[1] "%(num)d mēnesis"
+msgstr[2] "%(num)d mēneši"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d nedēļas"
+msgstr[1] "%(num)d nedēļa"
+msgstr[2] "%(num)d nedēļas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dienas"
+msgstr[1] "%(num)d diena"
+msgstr[2] "%(num)d dienas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d stundas"
+msgstr[1] "%(num)d stunda"
+msgstr[2] "%(num)d stundas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minūtes"
+msgstr[1] "%(num)d minūte"
+msgstr[2] "%(num)d minūtes"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d gadi"
+msgstr[1] "%(num)d gads"
+msgstr[2] "%(num)d gadi"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mēneši"
+msgstr[1] "%(num)d mēnesis"
+msgstr[2] "%(num)d mēneši"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d nedēļas"
+msgstr[1] "%(num)d nedēļa"
+msgstr[2] "%(num)d nedēļas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dienas"
+msgstr[1] "%(num)d diena"
+msgstr[2] "%(num)d dienas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d stundas"
+msgstr[1] "%(num)d stunda"
+msgstr[2] "%(num)d stundas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minūtes"
+msgstr[1] "%(num)d minūte"
+msgstr[2] "%(num)d minūtes"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cc6bfbda
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..136b20b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 19:05+0000\n"
+"Last-Translator: dekomote <dr.mote@gmail.com>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Humanize"
+msgstr "Хуманизирање"
+
+msgid "th"
+msgstr "ти"
+
+msgid "st"
+msgstr "ви"
+
+msgid "nd"
+msgstr "ри"
+
+msgid "rd"
+msgstr "ти"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f милион"
+msgstr[1] "%(value).1f милиони"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s милион"
+msgstr[1] "%(value)s милиони"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f милијарда"
+msgstr[1] "%(value).1f милијарди"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s милијарда"
+msgstr[1] "%(value)s милијарди"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f трилион"
+msgstr[1] "%(value).1f трилиони"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s трилион"
+msgstr[1] "%(value)s трилиони"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f  квадрилион"
+msgstr[1] "%(value).1f  квадрилиони"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s квадрилион"
+msgstr[1] "%(value)s квадрилиони"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f квинтилион"
+msgstr[1] "%(value).1f квинтилиони"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s квинтилион"
+msgstr[1] "%(value)s квинтилиони"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f секстилион"
+msgstr[1] "%(value).1f секстилиони"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s секстилион"
+msgstr[1] "%(value)s секстилиони"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f септилион"
+msgstr[1] "%(value).1f септилиони"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s септилион"
+msgstr[1] "%(value)s септилиони"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f октилион"
+msgstr[1] "%(value).1f октилиони"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s октилион"
+msgstr[1] "%(value)s октилиони"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f нонилион"
+msgstr[1] "%(value).1f нонилиони"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s нонилион"
+msgstr[1] "%(value)s нонилиони"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f децилион"
+msgstr[1] "%(value).1f децилиони"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s децилион"
+msgstr[1] "%(value)s децилиони"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f гугол"
+msgstr[1] "%(value).1f гуголи"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s гугол"
+msgstr[1] "%(value)s гуголи"
+
+msgid "one"
+msgstr "еден"
+
+msgid "two"
+msgstr "две"
+
+msgid "three"
+msgstr "три"
+
+msgid "four"
+msgstr "четри"
+
+msgid "five"
+msgstr "пет"
+
+msgid "six"
+msgstr "шест"
+
+msgid "seven"
+msgstr "седум"
+
+msgid "eight"
+msgstr "осум"
+
+msgid "nine"
+msgstr "девет"
+
+msgid "today"
+msgstr "денес"
+
+msgid "tomorrow"
+msgstr "утре"
+
+msgid "yesterday"
+msgstr "вчера"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "пред %(delta)s"
+
+msgid "now"
+msgstr "сега"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "пред %(count)s секундa"
+msgstr[1] "пред %(count)s секунди"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "пред %(count)s минутa"
+msgstr[1] "пред %(count)s минути"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "пред %(count)s час"
+msgstr[1] "пред %(count)s часа"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s од сега"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "за %(count)s секундa од сега"
+msgstr[1] "за %(count)s секунди од сега"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "за %(count)s минута од сега"
+msgstr[1] "за %(count)s минути од сега"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "за %(count)s час од сега"
+msgstr[1] "за %(count)s часа од сега"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ml/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3c844a85
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,396 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hrishikesh <hrishi.kb@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rajeesh Nair <rajeeshrnair@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2020-05-13 21:29+0000\n"
+"Last-Translator: Hrishikesh <hrishi.kb@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "ഹ്യൂമനൈസ്"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f ദശലക്ഷം"
+msgstr[1] "%(value).1f ദശലക്ഷം"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s ദശലക്ഷം"
+msgstr[1] "%(value)s ദശലക്ഷം"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f ശതകോടി"
+msgstr[1] "%(value).1f ശതകോടി"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s ശതകോടി"
+msgstr[1] "%(value)s ശതകോടി"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f ട്രില്ല്യണ്‍ (ലക്ഷം കോടി)"
+msgstr[1] "%(value).1f ട്രില്ല്യണ്‍ (ലക്ഷം കോടി)"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s ലക്ഷം കോടി"
+msgstr[1] "%(value)s ലക്ഷം കോടി"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f ക്വാഡ്രില്ല്യണ്‍"
+msgstr[1] "%(value).1f ക്വാഡ്രില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s ക്വാഡ്രില്ല്യണ്‍"
+msgstr[1] "%(value)s ക്വാഡ്രില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f ക്വിന്റില്ല്യണ്‍"
+msgstr[1] "%(value).1f ക്വിന്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s ക്വിന്റില്ല്യണ്‍"
+msgstr[1] "%(value)s ക്വിന്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f സെക്സ്റ്റില്ല്യണ്‍"
+msgstr[1] "%(value).1f സെക്സ്റ്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s സെക്സ്റ്റില്ല്യണ്‍"
+msgstr[1] "%(value)s സെക്സ്റ്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f സെപ്റ്റില്ല്യണ്‍"
+msgstr[1] "%(value).1f സെപ്റ്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s സെപ്റ്റില്ല്യണ്‍"
+msgstr[1] "%(value)s സെപ്റ്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f ഒക്റ്റില്ല്യണ്‍"
+msgstr[1] "%(value).1f ഒക്റ്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s ഒക്റ്റില്ല്യണ്‍"
+msgstr[1] "%(value)s ഒക്റ്റില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f നോനില്ല്യണ്‍"
+msgstr[1] "%(value).1f നോനില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s നോനില്ല്യണ്‍"
+msgstr[1] "%(value)s നോനില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f ഡെസില്ല്യണ്‍"
+msgstr[1] "%(value).1f ഡെസില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s ഡെസില്ല്യണ്‍"
+msgstr[1] "%(value)s ഡെസില്ല്യണ്‍"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f ഗൂഗോള്‍"
+msgstr[1] "%(value).1f ഗൂഗോള്‍"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s ഗൂഗോള്‍"
+msgstr[1] "%(value)s ഗൂഗോള്‍"
+
+msgid "one"
+msgstr "ഒന്ന്"
+
+msgid "two"
+msgstr "രണ്ട്"
+
+msgid "three"
+msgstr "മൂന്ന്"
+
+msgid "four"
+msgstr "നാല്"
+
+msgid "five"
+msgstr "അഞ്ച്"
+
+msgid "six"
+msgstr "ആറ്"
+
+msgid "seven"
+msgstr "ഏഴ്"
+
+msgid "eight"
+msgstr "എട്ട്"
+
+msgid "nine"
+msgstr "ഒന്‍പത്"
+
+msgid "today"
+msgstr "ഇന്ന്"
+
+msgid "tomorrow"
+msgstr "നാളെ"
+
+msgid "yesterday"
+msgstr "ഇന്നലെ"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "now"
+msgstr "ഇപ്പോള്‍"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0f2c700e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..94bb307b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,333 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bayarkhuu Bataa, 2014
+# Bayarkhuu Bataa, 2013
+# Turmunkh Batkhuyag, 2023
+# Zorig, 2013
+# Zorig, 2019
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-24 18:40+0000\n"
+"Last-Translator: Turmunkh Batkhuyag, 2023\n"
+"Language-Team: Mongolian (http://app.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Хүнчлэх"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{} дэх"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{} дэх"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{} дэх"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{} дахь"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{} дахь"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{} дэх"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{} дахь"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{} дахь"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{} дахь"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{} дахь"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{} дэх"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s сая"
+msgstr[1] "%(value)s сая"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s тэрбум"
+msgstr[1] "%(value)s тэрбум"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s наяд"
+msgstr[1] "%(value)s их наяд"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s тунамал"
+msgstr[1] "%(value)s тунамал"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s их ингүүмэл "
+msgstr[1] "%(value)s их ингүүмэл "
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s ялгаруулагч"
+msgstr[1] "%(value)s ялгаруулагч"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s их өөр дээр "
+msgstr[1] "%(value)s их өөр дээр "
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s өөр дээр "
+msgstr[1] "%(value)s өөр дээр "
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s их шалтгааны үзэгдэл"
+msgstr[1] "%(value)s их шалтгааны үзэгдэл"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s эрхэт"
+msgstr[1] "%(value)s эрхэт"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "нэг"
+
+msgid "two"
+msgstr "хоёр"
+
+msgid "three"
+msgstr "гурав"
+
+msgid "four"
+msgstr "дөрөв"
+
+msgid "five"
+msgstr "тав"
+
+msgid "six"
+msgstr "зургаа"
+
+msgid "seven"
+msgstr "долоо"
+
+msgid "eight"
+msgstr "найм"
+
+msgid "nine"
+msgstr "ес"
+
+msgid "today"
+msgstr "өнөөдөр"
+
+msgid "tomorrow"
+msgstr "маргааш"
+
+msgid "yesterday"
+msgstr "өчигдөр"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s ѳмнѳ"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "1 цагийн өмнө"
+msgstr[1] "%(count)s цагийн өмнө"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "1 минутын өмнө"
+msgstr[1] "%(count)s минутын өмнө"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "1 секундын өмнө"
+msgstr[1] "%(count)s секундын өмнө"
+
+msgid "now"
+msgstr "одоо"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "1 секундын дараа"
+msgstr[1] "%(count)s секундын дараа"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "1 минутын дараа"
+msgstr[1] "%(count)s минутын дараа"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "1 цагийн дараа"
+msgstr[1] "%(count)s цагийн дараа"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "одооноос %(delta)s "
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d жил"
+msgstr[1] "%(num)d жил"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d сар"
+msgstr[1] "%(num)d сар"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d долоо хоног"
+msgstr[1] "%(num)d долоо хоног"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d өдөр"
+msgstr[1] "%(num)d өдөр"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d цаг"
+msgstr[1] "%(num)d цаг"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минут"
+msgstr[1] "%(num)d минут"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d жил"
+msgstr[1] "%(num)d жил"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d сар"
+msgstr[1] "%(num)d сар"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d долоо хоног"
+msgstr[1] "%(num)d долоо хоног"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d өдөр"
+msgstr[1] "%(num)d өдөр"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d цаг"
+msgstr[1] "%(num)d цаг"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минут"
+msgstr[1] "%(num)d минут"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9e758b08
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..97d741ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,328 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2024-01-24 18:40+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "मानवीकरण"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}वा"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{वा}"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "एक"
+
+msgid "two"
+msgstr "दोन"
+
+msgid "three"
+msgstr "तीन"
+
+msgid "four"
+msgstr "चार"
+
+msgid "five"
+msgstr "पाच"
+
+msgid "six"
+msgstr "सहा"
+
+msgid "seven"
+msgstr "सात"
+
+msgid "eight"
+msgstr "आठ"
+
+msgid "nine"
+msgstr "नऊ"
+
+msgid "today"
+msgstr "आज"
+
+msgid "tomorrow"
+msgstr "उद्या"
+
+msgid "yesterday"
+msgstr "काल"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s पूर्वी"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "now"
+msgstr "आता"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1384c6bd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e1101d45
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,299 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# alternativespeak <alternativespeak@gmail.com>, 2012
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-12-24 18:40+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "Memanusiakan"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "ke{}"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "ke{}"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s juta"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s bilion"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilion"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kuadrilion"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kuintilion"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)ssextilion"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilion"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktilion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nontilion"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)sdesilion"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+
+msgid "one"
+msgstr "satu"
+
+msgid "two"
+msgstr "dua"
+
+msgid "three"
+msgstr "tiga"
+
+msgid "four"
+msgstr "empat"
+
+msgid "five"
+msgstr "lima"
+
+msgid "six"
+msgstr "enam"
+
+msgid "seven"
+msgstr "tujuh"
+
+msgid "eight"
+msgstr "lapan"
+
+msgid "nine"
+msgstr "sembilan"
+
+msgid "today"
+msgstr "hari ini"
+
+msgid "tomorrow"
+msgstr "esok"
+
+msgid "yesterday"
+msgstr "semalam"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s yang lalu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s yang lalu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s minit yang lalu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s saat yang lalu"
+
+msgid "now"
+msgstr "sekarang"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s saat dari sekarang"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s minit dari sekarang"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s jam dari sekarang"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s dari sekarang"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d tahun"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d bulan"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d minggu"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d hari"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d jam"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minit"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d tahun"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d bulan"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d minggu"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d hari"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d jam"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minit"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d26a6d22
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a3fe48cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,234 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "မြောက်"
+
+msgid "st"
+msgstr "မြောက်"
+
+msgid "nd"
+msgstr "မြောက်"
+
+msgid "rd"
+msgstr "မြောက်"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f မီလီယံ"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s မီလီယံ"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f ဘီလီယံ"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s ဘီလီယံ"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f တရီလျံ"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s တရီလျံ"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f ကွပ်ဒရီလျံ"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s ကွပ်ဒရီလျံ"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f ကွင့်တီလျံ"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s ကွင့်တီလျံ"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f ဆက်တီလျံ"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s ဆက်တီလျံ"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f ဆပ်တီလျံ"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s ဆပ်တီလျံ"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f အော့တီလျံ"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s အော့တီလျံ"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f နိုနီလျံ"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s နိုနီလျံ"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f ဒက်စီလျံ"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s ဒက်စီလျံ"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f ဂူးဂေါ်"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s ဂူးဂေါ်"
+
+msgid "one"
+msgstr "တစ်"
+
+msgid "two"
+msgstr "နှစ်"
+
+msgid "three"
+msgstr "သံုး"
+
+msgid "four"
+msgstr "လေး"
+
+msgid "five"
+msgstr "ငါး"
+
+msgid "six"
+msgstr "ခြောက်"
+
+msgid "seven"
+msgstr "ခုနစ်"
+
+msgid "eight"
+msgstr "ရှစ်"
+
+msgid "nine"
+msgstr "ကိုး"
+
+msgid "today"
+msgstr "ယနေ့"
+
+msgid "tomorrow"
+msgstr "မနက်ဖြန်"
+
+msgid "yesterday"
+msgstr "မနေ့"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s အခါက"
+
+msgid "now"
+msgstr "ယခု"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s ယခုမှ"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..71f60b28
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1212f9cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,331 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jon, 2014
+# Jon, 2018,2022
+# Jon, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2023-04-24 18:40+0000\n"
+"Last-Translator: Jon, 2018,2022\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanize"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s millioner"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milliard"
+msgstr[1] "%(value)s milliarder"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billion"
+msgstr[1] "%(value)s billioner"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadrillion"
+msgstr[1] "%(value)s kvadrillioner"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintillion"
+msgstr[1] "%(value)s kvintillioner"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstillion"
+msgstr[1] "%(value)s sekstillioner"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillion"
+msgstr[1] "%(value)s septillioner"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktillion"
+msgstr[1] "%(value)s oktillioner"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillion"
+msgstr[1] "%(value)s nonillioner"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s desillion"
+msgstr[1] "%(value)s desillioner"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googoler"
+
+msgid "one"
+msgstr "én"
+
+msgid "two"
+msgstr "to"
+
+msgid "three"
+msgstr "tre"
+
+msgid "four"
+msgstr "fire"
+
+msgid "five"
+msgstr "fem"
+
+msgid "six"
+msgstr "seks"
+
+msgid "seven"
+msgstr "sju"
+
+msgid "eight"
+msgstr "åtte"
+
+msgid "nine"
+msgstr "ni"
+
+msgid "today"
+msgstr "i dag"
+
+msgid "tomorrow"
+msgstr "i morgen"
+
+msgid "yesterday"
+msgstr "i går"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s siden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "en time siden"
+msgstr[1] "%(count)s timer siden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "et minutt siden"
+msgstr[1] "%(count)s minutter siden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "et sekund siden"
+msgstr[1] "%(count)s sekunder siden"
+
+msgid "now"
+msgstr "nå"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "et sekund fra nå"
+msgstr[1] "%(count)s sekunder fra nå"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "et minutt fra nå"
+msgstr[1] "%(count)s minutter fra nå"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "en time fra nå"
+msgstr[1] "%(count)s timer fra nå"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s fra nå"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d måned"
+msgstr[1] "%(num)d måneder"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d uke"
+msgstr[1] "%(num)d uker"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dager"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d time"
+msgstr[1] "%(num)d timer"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minutt"
+msgstr[1] "%(num)d minutter"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d måned"
+msgstr[1] "%(num)d måneder"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d uke"
+msgstr[1] "%(num)d uker"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dager"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d time"
+msgstr[1] "%(num)d timer"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minutt"
+msgstr[1] "%(num)d minutter"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..24deec3c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d3c9c956
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,395 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Paras Nath Chaudhary <opnchaudhary@gmail.com>, 2012
+# Sagar Chalise <chalisesagar@gmail.com>, 2019
+# Sandesh Rana <vimmrana0@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-12-15 05:39+0000\n"
+"Last-Translator: Sagar Chalise <chalisesagar@gmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "मानवीय बनाउनुहोस्"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s मिलियन"
+msgstr[1] "%(value)s मिलियन"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s अरब"
+msgstr[1] "%(value)s अरब"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s खरब"
+msgstr[1] "%(value)s खरब"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s करोड़ शंख"
+msgstr[1] "%(value)s करोड़ शंख"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "एक "
+
+msgid "two"
+msgstr "दुई "
+
+msgid "three"
+msgstr "तीन "
+
+msgid "four"
+msgstr "चार "
+
+msgid "five"
+msgstr "पाँच "
+
+msgid "six"
+msgstr "छ "
+
+msgid "seven"
+msgstr "सात "
+
+msgid "eight"
+msgstr "आठ "
+
+msgid "nine"
+msgstr "नौ "
+
+msgid "today"
+msgstr "आज"
+
+msgid "tomorrow"
+msgstr "भोली"
+
+msgid "yesterday"
+msgstr "हिजो"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)sपहिले"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "एक घण्टा अघि"
+msgstr[1] "%(count)s घण्टा अघि"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "एक मिनेट अघि"
+msgstr[1] "%(count)s मिनेट अघि"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "एक सेकेन्ड अघि"
+msgstr[1] "%(count)s सेकेन्ड अघि"
+
+msgid "now"
+msgstr "अहिले"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "एक सेकेन्ड पछि"
+msgstr[1] "%(count)s सेकेन्ड पछि"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "एक मिनेट पछि"
+msgstr[1] "%(count)s मिनेट पछि"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "एक घण्टा पछि"
+msgstr[1] "%(count)s घण्टा पछि"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s अबदेखि"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d बर्ष"
+msgstr[1] "%d बर्षहरु"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d महिना"
+msgstr[1] "%d महिनाहरु"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d हप्ता"
+msgstr[1] "%d हप्ताहरु"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d दिन"
+msgstr[1] "%d दिनहरु"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d घण्टा"
+msgstr[1] "%d घण्टाहरू"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d मिनेट"
+msgstr[1] "%d मिनेटहरू "
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d बर्ष"
+msgstr[1] "%d बर्षहरु"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d महिना"
+msgstr[1] "%d महिनाहरु"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d हप्ता"
+msgstr[1] "%d हप्ताहरु"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d दिन"
+msgstr[1] "%d दिनहरु"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d घण्टा"
+msgstr[1] "%d घण्टाहरू"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d मिनेट"
+msgstr[1] "%d मिनेटहरू "
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a702bfa8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c88cf1d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,332 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Blue <alexandervanratingen@gmail.com>, 2011-2012
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 6a27f10aef159701c7a5ff07f0fb0a78_05545ed <bc5d401a7ecd9343dd5afac265ed8ab3_4845>, 2014
+# 8de006b1b0894aab6aef71979dcd8bd6_5c6b207 <ff2658a8d8dbebbd9cc240b8c133a515_234097>, 2015
+# Tino de Bruijn <tinodb@gmail.com>, 2012
+# Tonnes <tonnes.mb@gmail.com>, 2019,2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-07-24 18:40+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>\n"
+"Language-Team: Dutch (http://www.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Vermenselijken"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}e"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}e"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s miljoen"
+msgstr[1] "%(value)s miljoen"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miljard"
+msgstr[1] "%(value)s miljard"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s biljoen"
+msgstr[1] "%(value)s biljoen"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s biljard"
+msgstr[1] "%(value)s biljard"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s triljoen"
+msgstr[1] "%(value)s triljoen"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s triljard"
+msgstr[1] "%(value)s triljard"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s quadriljoen"
+msgstr[1] "%(value)s quadriljoen"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s quadriljard"
+msgstr[1] "%(value)s quadriljard"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s quintiljoen"
+msgstr[1] "%(value)s quintiljoen"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s quintiljard"
+msgstr[1] "%(value)s quintiljard"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "één"
+
+msgid "two"
+msgstr "twee"
+
+msgid "three"
+msgstr "drie"
+
+msgid "four"
+msgstr "vier"
+
+msgid "five"
+msgstr "vijf"
+
+msgid "six"
+msgstr "zes"
+
+msgid "seven"
+msgstr "zeven"
+
+msgid "eight"
+msgstr "acht"
+
+msgid "nine"
+msgstr "negen"
+
+msgid "today"
+msgstr "vandaag"
+
+msgid "tomorrow"
+msgstr "morgen"
+
+msgid "yesterday"
+msgstr "gisteren"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s geleden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "een uur geleden"
+msgstr[1] "%(count)s uur geleden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "een minuut geleden"
+msgstr[1] "%(count)s minuten geleden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "een seconde geleden"
+msgstr[1] "%(count)s seconden geleden"
+
+msgid "now"
+msgstr "nu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "over een seconde"
+msgstr[1] "over %(count)s seconden"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "over een minuut"
+msgstr[1] "over %(count)s minuten"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "over een uur"
+msgstr[1] "over %(count)s uur"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "over %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d jaar"
+msgstr[1] "%(num)d jaar"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d maand"
+msgstr[1] "%(num)d maanden"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d week"
+msgstr[1] "%(num)d weken"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dagen"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d uur"
+msgstr[1] "%(num)d uur"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuut"
+msgstr[1] "%(num)d minuten"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d jaar"
+msgstr[1] "%(num)d jaar"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d maand"
+msgstr[1] "%(num)d maanden"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d week"
+msgstr[1] "%(num)d weken"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dagen"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d uur"
+msgstr[1] "%(num)d uur"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuut"
+msgstr[1] "%(num)d minuten"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2b358c43
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..30d7558f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,330 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021-2022
+# velmont <odin.omdal@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-07-24 18:40+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanize"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s millionar"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milliard"
+msgstr[1] "%(value)s milliardar"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s billion"
+msgstr[1] "%(value)s billionar"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadrillion"
+msgstr[1] "%(value)s kvadrillionar"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintillion"
+msgstr[1] "%(value)s kvintillionar"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstillion"
+msgstr[1] "%(value)s sekstillionar"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillion"
+msgstr[1] "%(value)s septillionar"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktillion"
+msgstr[1] "%(value)s oktillionar"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillion"
+msgstr[1] "%(value)s nonillionar"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s desillion"
+msgstr[1] "%(value)s desillionar"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googolar"
+
+msgid "one"
+msgstr "éin"
+
+msgid "two"
+msgstr "to"
+
+msgid "three"
+msgstr "tre"
+
+msgid "four"
+msgstr "fire"
+
+msgid "five"
+msgstr "fem"
+
+msgid "six"
+msgstr "seks"
+
+msgid "seven"
+msgstr "sju"
+
+msgid "eight"
+msgstr "åtte"
+
+msgid "nine"
+msgstr "ni"
+
+msgid "today"
+msgstr "i dag"
+
+msgid "tomorrow"
+msgstr "i morgon"
+
+msgid "yesterday"
+msgstr "i går"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s sidan"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "ein time sidan"
+msgstr[1] "%(count)s timar sidan"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "eitt minutt sidan"
+msgstr[1] "%(count)s minutt sidan"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "eitt sekund sidan"
+msgstr[1] "%(count)s sekund sidan"
+
+msgid "now"
+msgstr "no"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "eitt sekund frå no"
+msgstr[1] "%(count)s sekund frå no"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "eitt minutt frå no"
+msgstr[1] "%(count)s minutt frå no"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "ein time frå no"
+msgstr[1] "%(count)s timar frå no"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s frå no"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d månad"
+msgstr[1] "%(num)d månader"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d veke"
+msgstr[1] "%(num)d veker"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dagar"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d time"
+msgstr[1] "%(num)d timar"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minutt"
+msgstr[1] "%(num)d minutt"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d månad"
+msgstr[1] "%(num)d månader"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d veke"
+msgstr[1] "%(num)d veker"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dagar"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d time"
+msgstr[1] "%(num)d timar"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minutt"
+msgstr[1] "%(num)d minutt"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c156f1a7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/os/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..186ac893
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "-ӕм"
+
+msgid "st"
+msgstr "-аг"
+
+msgid "nd"
+msgstr "-аг"
+
+msgid "rd"
+msgstr "-аг"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f милуан"
+msgstr[1] "%(value).1f милуан"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s милуан"
+msgstr[1] "%(value)s милуан"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f биллон"
+msgstr[1] "%(value).1f биллион"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s биллион"
+msgstr[1] "%(value)s биллион"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f триллион"
+msgstr[1] "%(value).1f триллион"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s триллион"
+msgstr[1] "%(value)s триллион"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f къуадриллион"
+msgstr[1] "%(value).1f къуадриллион"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s къуадриллион"
+msgstr[1] "%(value)s къуадриллион"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f къуинтиллион"
+msgstr[1] "%(value).1f къуинтиллион"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s къуинтиллион"
+msgstr[1] "%(value)s къуинтиллион"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f секстиллион"
+msgstr[1] "%(value).1f секстиллион"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s секстиллион"
+msgstr[1] "%(value)s секстиллион"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f септиллион"
+msgstr[1] "%(value).1f септиллион"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s септиллион"
+msgstr[1] "%(value)s септиллион"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f октиллион"
+msgstr[1] "%(value).1f октиллион"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s октиллион"
+msgstr[1] "%(value)s октиллион"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f нониллион"
+msgstr[1] "%(value).1f нониллион"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s нониллион"
+msgstr[1] "%(value)s нониллион"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f дециллион"
+msgstr[1] "%(value).1f дециллион"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s дециллион"
+msgstr[1] "%(value)s дециллион"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f гугол"
+msgstr[1] "%(value).1f гугол"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s гугол"
+msgstr[1] "%(value)s гугол"
+
+msgid "one"
+msgstr "иу"
+
+msgid "two"
+msgstr "дыууӕ"
+
+msgid "three"
+msgstr "ӕртӕ"
+
+msgid "four"
+msgstr "цыппар"
+
+msgid "five"
+msgstr "фондз"
+
+msgid "six"
+msgstr "ӕхсӕз"
+
+msgid "seven"
+msgstr "авд"
+
+msgid "eight"
+msgstr "аст"
+
+msgid "nine"
+msgstr "фараст"
+
+msgid "today"
+msgstr "абон"
+
+msgid "tomorrow"
+msgstr "сом"
+
+msgid "yesterday"
+msgstr "знон"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s раздӕр"
+
+msgid "now"
+msgstr "ныр"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s енырӕй"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..84c65716
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d37c9ae3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,263 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# A S Alam <alam.yellow@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "ਵਾਂ"
+
+msgid "st"
+msgstr "ਲਾਂ"
+
+msgid "nd"
+msgstr "ਜਾ"
+
+msgid "rd"
+msgstr "ਜਾ"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f ਮਿਲੀਅਨ"
+msgstr[1] "%(value).1f ਮਿਲੀਅਨ"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s ਮਿਲੀਅਨ"
+msgstr[1] "%(value)s ਮਿਲੀਅਨ"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f ਬਿਲੀਅਨ"
+msgstr[1] "%(value).1f ਬਿਲੀਅਨ"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f ਟਰਲੀਅਨ"
+msgstr[1] "%(value).1f ਟਰਲੀਅਨ"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "ਇੱਕ"
+
+msgid "two"
+msgstr "ਦੋ"
+
+msgid "three"
+msgstr "ਤਿੰਨ"
+
+msgid "four"
+msgstr "ਚਾਰ"
+
+msgid "five"
+msgstr "ਪੰਜ"
+
+msgid "six"
+msgstr "ਛੇ"
+
+msgid "seven"
+msgstr "ਸੱਤ"
+
+msgid "eight"
+msgstr "ਅੱਠ"
+
+msgid "nine"
+msgstr "ਨੌ"
+
+msgid "today"
+msgstr "ਅੱਜ"
+
+msgid "tomorrow"
+msgstr "ਭਲਕੇ"
+
+msgid "yesterday"
+msgstr "ਕੱਲ੍ਹ"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr "ਹੁਣ"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9e8495fd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ab0ab925
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,394 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Adam Stachowicz <saibamenppl@gmail.com>, 2015
+# angularcircle, 2011
+# angularcircle, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# m_aciek <maciej.olko@gmail.com>, 2018,2021
+# Piotr Meuś <piotr.meus@gmail.com>, 2014
+# Roman Barczyński, 2012
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-23 19:40+0000\n"
+"Last-Translator: m_aciek <maciej.olko@gmail.com>\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && (n"
+"%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
+"%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Humanize"
+msgstr "Humanizacja"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milion"
+msgstr[1] "%(value)s miliony"
+msgstr[2] "%(value)s milionów"
+msgstr[3] "%(value)s milionów"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliard"
+msgstr[1] "%(value)s miliardy"
+msgstr[2] "%(value)s miliardów"
+msgstr[3] "%(value)s miliardów"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s kwintylion"
+msgstr[1] "%(value)s biliony"
+msgstr[2] "%(value)s kwintylionów"
+msgstr[3] "%(value)s kwintylionów"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kwadrylion"
+msgstr[1] "%(value)s biliardy"
+msgstr[2] "%(value)s kwadrylionów"
+msgstr[3] "%(value)s kwadrylionów"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trylion"
+msgstr[1] "%(value)s tryliony"
+msgstr[2] "%(value)s trylionyów"
+msgstr[3] "%(value)s trylionyów"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] " %(value)s tryliard"
+msgstr[1] "%(value)s tryliardy"
+msgstr[2] "%(value)s tryliardów"
+msgstr[3] "%(value)s tryliardów"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septylion"
+msgstr[1] "%(value)s septyliony"
+msgstr[2] "%(value)s septylionów"
+msgstr[3] "%(value)s septylionów"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kwadryliard"
+msgstr[1] "%(value)s kwardyliardy"
+msgstr[2] "%(value)s kwadryliardów"
+msgstr[3] "%(value)s kwadryliardów"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kwintylion"
+msgstr[1] "%(value)s kwintyliony"
+msgstr[2] "%(value)s kwintylionów"
+msgstr[3] "%(value)s kwintylionów"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kwintyliard"
+msgstr[1] "%(value)s kwintyliardy"
+msgstr[2] "%(value)s kwintyliardów"
+msgstr[3] "%(value)s kwintyliardów"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googole"
+msgstr[2] "%(value)s googolów"
+msgstr[3] "%(value)s googolów"
+
+msgid "one"
+msgstr "jeden"
+
+msgid "two"
+msgstr "dwa"
+
+msgid "three"
+msgstr "trzy"
+
+msgid "four"
+msgstr "cztery"
+
+msgid "five"
+msgstr "pięć"
+
+msgid "six"
+msgstr "sześć"
+
+msgid "seven"
+msgstr "siedem"
+
+msgid "eight"
+msgstr "osiem"
+
+msgid "nine"
+msgstr "dziewięć"
+
+msgid "today"
+msgstr "dzisiaj"
+
+msgid "tomorrow"
+msgstr "jutro"
+
+msgid "yesterday"
+msgstr "wczoraj"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s temu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "godzinę temu"
+msgstr[1] "%(count)s godziny temu"
+msgstr[2] "%(count)s godzin temu"
+msgstr[3] "%(count)s godzin temu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "minutę temu"
+msgstr[1] "%(count)s minuty temu"
+msgstr[2] "%(count)s minut temu"
+msgstr[3] "%(count)s minut temu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "sekundę temu"
+msgstr[1] "%(count)s sekundy temu"
+msgstr[2] "%(count)s sekund temu"
+msgstr[3] "%(count)s sekund temu"
+
+msgid "now"
+msgstr "teraz"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "za sekundę"
+msgstr[1] "za %(count)s sekundy"
+msgstr[2] "za %(count)s sekund"
+msgstr[3] "za %(count)s sekund"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "za minutę"
+msgstr[1] "za %(count)s minuty"
+msgstr[2] "za %(count)s minut"
+msgstr[3] "za %(count)s minut"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "za godzinę"
+msgstr[1] "za %(count)s godziny"
+msgstr[2] "za %(count)s godzin"
+msgstr[3] "za %(count)s godzin"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "za %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d rok"
+msgstr[1] "%(num)d lata"
+msgstr[2] "%(num)d lat"
+msgstr[3] "%(num)d roku"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d miesiąc"
+msgstr[1] "%(num)d miesiące"
+msgstr[2] "%(num)d miesięcy"
+msgstr[3] "%(num)d miesiąca"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d tydzień"
+msgstr[1] "%(num)d tygodnie"
+msgstr[2] "%(num)d tygodni"
+msgstr[3] "%(num)d tygodnia"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dzień"
+msgstr[1] "%(num)d dni"
+msgstr[2] "%(num)d dni"
+msgstr[3] "%(num)d dnia"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d godzinę"
+msgstr[1] "%(num)d godziny"
+msgstr[2] "%(num)d godzin"
+msgstr[3] "%(num)d godziny"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minutę"
+msgstr[1] "%(num)d minuty"
+msgstr[2] "%(num)d minut"
+msgstr[3] "%(num)d minuty"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d rok"
+msgstr[1] "%(num)d lata"
+msgstr[2] "%(num)d lat"
+msgstr[3] "%(num)d roku"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d miesiąc"
+msgstr[1] "%(num)d miesiące"
+msgstr[2] "%(num)d miesięcy"
+msgstr[3] "%(num)dmiesiąca"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d tydzień"
+msgstr[1] "%(num)d tygodnie"
+msgstr[2] "%(num)d tygodni"
+msgstr[3] "%(num)d tygodnia"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dzień"
+msgstr[1] "%(num)d dni"
+msgstr[2] "%(num)d dni"
+msgstr[3] "%(num)d dnia"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d godzinę"
+msgstr[1] "%(num)d godziny"
+msgstr[2] "%(num)d godzin"
+msgstr[3] "%(num)d godziny"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minutę"
+msgstr[1] "%(num)d minuty"
+msgstr[2] "%(num)d minut"
+msgstr[3] "%(num)d minuty"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d1c67ddb
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8a9d8b43
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,398 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Henrique Azevedo <pintasart.mail@gmail.com>, 2018
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jorgecarleitao <jorgecarleitao@gmail.com>, 2014
+# Nuno Mariz <nmariz@gmail.com>, 2012-2013,2018
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-12-20 15:27+0000\n"
+"Last-Translator: Nuno Mariz <nmariz@gmail.com>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanizar"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}.º"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}.º"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milhão"
+msgstr[1] "%(value).1f milhões"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milhão"
+msgstr[1] "%(value)s milhões"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f bilião"
+msgstr[1] "%(value).1f biliões"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s bilião"
+msgstr[1] "%(value)s biliões"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trilião"
+msgstr[1] "%(value).1f triliões"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilião"
+msgstr[1] "%(value)s triliões"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f quadrilião"
+msgstr[1] "%(value).1f quatriliões"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrilião"
+msgstr[1] "%(value)s quatriliões"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f quintilião"
+msgstr[1] "%(value).1f quintiliões"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintilião"
+msgstr[1] "%(value)s quintiliões"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sextilião"
+msgstr[1] "%(value).1f sextiliões"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextilião"
+msgstr[1] "%(value)s sextiliões"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septilião"
+msgstr[1] "%(value).1f septiliões"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilião"
+msgstr[1] "%(value)s septiliões"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octilião"
+msgstr[1] "%(value).1f octiliões"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octilião"
+msgstr[1] "%(value)s octiliões"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonilião"
+msgstr[1] "%(value).1f noniliões"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilião"
+msgstr[1] "%(value)s noniliões"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decilião"
+msgstr[1] "%(value).1f deciliões"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decilião"
+msgstr[1] "%(value)s deciliões"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "um"
+
+msgid "two"
+msgstr "dois"
+
+msgid "three"
+msgstr "três"
+
+msgid "four"
+msgstr "quatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "sete"
+
+msgid "eight"
+msgstr "oito"
+
+msgid "nine"
+msgstr "nove"
+
+msgid "today"
+msgstr "hoje"
+
+msgid "tomorrow"
+msgstr "amanhã"
+
+msgid "yesterday"
+msgstr "ontem"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s atrás"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "há uma hora atrás"
+msgstr[1] "há %(count)s horas atrás"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "há um minuto atrás"
+msgstr[1] "há %(count)s minutos atrás"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "há um segundo atrás"
+msgstr[1] "há %(count)s segundos atrás"
+
+msgid "now"
+msgstr "agora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "daqui a um segundo"
+msgstr[1] "daqui a %(count)s segundos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "daqui a um minuto"
+msgstr[1] "daqui a %(count)s minutos"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "daqui a uma hora"
+msgstr[1] "daqui a %(count)s horas"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s a partir de agora"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d ano"
+msgstr[1] "%d anos"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d meses"
+msgstr[1] "%d meses"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d semanas"
+msgstr[1] "%d semanas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d dia"
+msgstr[1] "%d dias"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d horas"
+msgstr[1] "%d horas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minuto"
+msgstr[1] "%d minutos"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d ano"
+msgstr[1] "%d anos"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d mês"
+msgstr[1] "%d meses"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d semana"
+msgstr[1] "%d semanas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d dia"
+msgstr[1] "%d dias"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d hora"
+msgstr[1] "%d horas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minuto"
+msgstr[1] "%d minutos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..eb35f0e3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt_BR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..53e9b280
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,365 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# bruno.devpod <bruno.devpod@gmail.com>, 2014
+# Eduardo Cereto Carvalho, 2012
+# Erick Mesquita, 2023
+# semente, 2012-2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rafael Fontenelle <rffontenelle@gmail.com>, 2022
+# Sandro <sandrossv@hotmail.com>, 2011
+# Francisco Petry Rauber <xico.petry@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2023-04-24 18:40+0000\n"
+"Last-Translator: Erick Mesquita, 2023\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Humanize"
+msgstr "Humanizar"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}º"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}º"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milhão"
+msgstr[1] "%(value)s milhões"
+msgstr[2] "%(value)s milhões"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s bilhão"
+msgstr[1] "%(value)s bilhões"
+msgstr[2] "%(value)s bilhões"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilhão"
+msgstr[1] "%(value)s trilhões"
+msgstr[2] "%(value)s trilhões"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrilhão"
+msgstr[1] "%(value)s quadrilhões"
+msgstr[2] "%(value)s quadrilhões"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintilhão"
+msgstr[1] "%(value)s quintilhões"
+msgstr[2] "%(value)s quintilhões"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextilhão"
+msgstr[1] "%(value)s sextilhões"
+msgstr[2] "%(value)s sextilhões"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilhão"
+msgstr[1] "%(value)s septilhões"
+msgstr[2] "%(value)s septilhões"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octilhão"
+msgstr[1] "%(value)s octilhões"
+msgstr[2] "%(value)s octilhões"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilhão"
+msgstr[1] "%(value)s nonilhões"
+msgstr[2] "%(value)s nonilhões"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decilhão"
+msgstr[1] "%(value)s decilhões"
+msgstr[2] "%(value)s decilhões"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+msgstr[2] "%(value)s googol"
+
+msgid "one"
+msgstr "um"
+
+msgid "two"
+msgstr "dois"
+
+msgid "three"
+msgstr "três"
+
+msgid "four"
+msgstr "quatro"
+
+msgid "five"
+msgstr "cinco"
+
+msgid "six"
+msgstr "seis"
+
+msgid "seven"
+msgstr "sete"
+
+msgid "eight"
+msgstr "oito"
+
+msgid "nine"
+msgstr "nove"
+
+msgid "today"
+msgstr "hoje"
+
+msgid "tomorrow"
+msgstr "amanhã"
+
+msgid "yesterday"
+msgstr "ontem"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)satrás"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "uma hora atrás"
+msgstr[1] "%(count)s horas atrás"
+msgstr[2] "%(count)s horas atrás"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "um minuto atrás"
+msgstr[1] "%(count)s minutos atrás"
+msgstr[2] "%(count)s minutos atrás"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "um segundo atrás"
+msgstr[1] "%(count)s segundos atrás"
+msgstr[2] "%(count)s segundos atrás"
+
+msgid "now"
+msgstr "agora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "um segundo a partir de agora"
+msgstr[1] "%(count)s segundos a partir de agora"
+msgstr[2] "%(count)s segundos a partir de agora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "um minuto a partir de agora"
+msgstr[1] "%(count)s minutos a partir de agora"
+msgstr[2] "%(count)s minutos a partir de agora"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "uma hora a partir de agora"
+msgstr[1] "%(count)s horas a partir de agora"
+msgstr[2] "%(count)s horas a partir de agora"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s a partir de agora"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d ano"
+msgstr[1] "%(num)d anos"
+msgstr[2] "%(num)d anos"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mês"
+msgstr[1] "%(num)d meses"
+msgstr[2] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+msgstr[2] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dia"
+msgstr[1] "%(num)d dias"
+msgstr[2] "%(num)d dias"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+msgstr[2] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
+msgstr[2] "%(num)d minutos"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d ano"
+msgstr[1] "%(num)d anos"
+msgstr[2] "%(num)d anos"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mês"
+msgstr[1] "%(num)d mses"
+msgstr[2] "%(num)d meses"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d semana"
+msgstr[1] "%(num)d semanas"
+msgstr[2] "%(num)d semanas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dia"
+msgstr[1] "%(num)d dias"
+msgstr[2] "%(num)d dias"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hora"
+msgstr[1] "%(num)d horas"
+msgstr[2] "%(num)d horas"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuto"
+msgstr[1] "%(num)d minutos"
+msgstr[2] "%(num)d minutos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ded26475
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..efc883a5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,440 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bogdan Mateescu, 2018
+# Daniel Ursache-Dogariu, 2011
+# Denis Darii <denis.darii@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2016
+# Sorin Sbarnea, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-05-18 06:45+0000\n"
+"Last-Translator: Bogdan Mateescu\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Humanize"
+msgstr "Umanizare"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "al {}-lea"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milion"
+msgstr[1] "%(value).1f milioane"
+msgstr[2] "%(value).1f de milioane"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milion"
+msgstr[1] "%(value)s milioane"
+msgstr[2] "%(value)s de milioane"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f miliard"
+msgstr[1] "%(value).1f miliarde"
+msgstr[2] "%(value).1f de miliarde"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliard"
+msgstr[1] "%(value)s miliarde"
+msgstr[2] "%(value)s de miliarde"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trilion"
+msgstr[1] "%(value).1f trilioane"
+msgstr[2] "%(value).1f de trilioane"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilion"
+msgstr[1] "%(value)s trilioane"
+msgstr[2] "%(value)s de trilioane"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f cuadrilion"
+msgstr[1] "%(value).1f cuadrilioane"
+msgstr[2] "%(value).1f de cuadrilioane"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s cuadrilion"
+msgstr[1] "%(value)s cuadrilioane"
+msgstr[2] "%(value)s de cuadrilioane"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f cuntilion"
+msgstr[1] "%(value).1f cuntilioane"
+msgstr[2] "%(value).1f de cuntilioane"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s cuntilion"
+msgstr[1] "%(value)s cuntilioane"
+msgstr[2] "%(value)s de cuntilioane"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sextilion"
+msgstr[1] "%(value).1f sextilioane"
+msgstr[2] "%(value).1f de sextilioane"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextilion"
+msgstr[1] "%(value)s sextilioane"
+msgstr[2] "%(value)s de sextilioane"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septilion"
+msgstr[1] "%(value).1f septilioane"
+msgstr[2] "%(value).1f de septilioane"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilion"
+msgstr[1] "%(value)s septilioane"
+msgstr[2] "%(value)s de septilioane"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octilion"
+msgstr[1] "%(value).1f octilioane"
+msgstr[2] "%(value).1f de octilioane"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octilion"
+msgstr[1] "%(value)s octilioane"
+msgstr[2] "%(value)s de octilioane"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonilion"
+msgstr[1] "%(value).1f nonilioane"
+msgstr[2] "%(value).1f de nonilioane"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilion"
+msgstr[1] "%(value)s nonilioane"
+msgstr[2] "%(value)s de nonilioane"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decilion"
+msgstr[1] "%(value).1f decilioane"
+msgstr[2] "%(value).1f de decilioane"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decilion"
+msgstr[1] "%(value)s decilioane"
+msgstr[2] "%(value)s de decilioane"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+msgstr[1] "%(value).1f googol"
+msgstr[2] "%(value).1f de googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+msgstr[2] "%(value)s de googol"
+
+msgid "one"
+msgstr "unu"
+
+msgid "two"
+msgstr "doi"
+
+msgid "three"
+msgstr "trei"
+
+msgid "four"
+msgstr "patru"
+
+msgid "five"
+msgstr "cinci"
+
+msgid "six"
+msgstr "șase"
+
+msgid "seven"
+msgstr "șapte"
+
+msgid "eight"
+msgstr "opt"
+
+msgid "nine"
+msgstr "nouă"
+
+msgid "today"
+msgstr "astăzi"
+
+msgid "tomorrow"
+msgstr "mâine"
+
+msgid "yesterday"
+msgstr "ieri"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "Acum %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "Acum o oră"
+msgstr[1] "Acum %(count)s ore"
+msgstr[2] "Acum %(count)s de ore"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "Acum un minut"
+msgstr[1] "Acum %(count)s minute"
+msgstr[2] "Acum %(count)s de minute"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "Acum o secundă"
+msgstr[1] "Acum %(count)s secunde"
+msgstr[2] "Acum %(count)s de secunde"
+
+msgid "now"
+msgstr "acum"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "Într-o secundă"
+msgstr[1] "În %(count)s secunde"
+msgstr[2] "În %(count)s de secunde"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "Într-un minut"
+msgstr[1] "În %(count)s minute"
+msgstr[2] "În %(count)s de minute"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "Într-o oră"
+msgstr[1] "În %(count)s ore"
+msgstr[2] "În %(count)s de ore"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "În %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d an"
+msgstr[1] "%d ani"
+msgstr[2] "%d de ani"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d lună"
+msgstr[1] "%d luni"
+msgstr[2] "%d de luni"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d săptămână"
+msgstr[1] "%d săptămâni"
+msgstr[2] "%d de săptămâni"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d zi"
+msgstr[1] "%d zile"
+msgstr[2] "%d de zile"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d oră"
+msgstr[1] "%d ore"
+msgstr[2] "%d de ore"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minut"
+msgstr[1] "%d minute"
+msgstr[2] "%d de minute"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d an"
+msgstr[1] "%d ani"
+msgstr[2] "%d de ani"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d lună"
+msgstr[1] "%d luni"
+msgstr[2] "%d de luni"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d săptămână"
+msgstr[1] "%d săptămâni"
+msgstr[2] "%d de săptămâni"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d zi"
+msgstr[1] "%d zile"
+msgstr[2] "%d de zile"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d oră"
+msgstr[1] "%d ore"
+msgstr[2] "%d de ore"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minut"
+msgstr[1] "%d minute"
+msgstr[2] "%d de minute"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..edd75054
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ru/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..51839a33
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,396 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mingun <Alexander_Sergey@mail.ru>, 2014
+# Dimmus <dmitri.chudinov@gmail.com>, 2011
+# Eugene <eugene.mechanism@gmail.com>, 2012
+# Grigory Fateyev (aka greg) <gfborn@gmail.com>, 2018
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mingun <Alexander_Sergey@mail.ru>, 2014
+# SeryiMysh <vital@dorokhin.kz>, 2018
+# Алексей Борискин <sun.void@gmail.com>, 2012,2014,2022
+# Bobsans <mr.bobsans@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-04-24 18:40+0000\n"
+"Last-Translator: Алексей Борискин <sun.void@gmail.com>, 2012,2014,2022\n"
+"Language-Team: Russian (http://www.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Humanize"
+msgstr "Приведение значений к виду, понятному человеку"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}-й"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}-й"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s миллион"
+msgstr[1] "%(value)s миллиона"
+msgstr[2] "%(value)s миллионов"
+msgstr[3] "%(value)s миллионов"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s миллиард"
+msgstr[1] "%(value)s миллиарда"
+msgstr[2] "%(value)s миллиардов"
+msgstr[3] "%(value)s миллиардов"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s триллион"
+msgstr[1] "%(value)s триллиона"
+msgstr[2] "%(value)s триллионов"
+msgstr[3] "%(value)s триллионов"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s квадриллион"
+msgstr[1] "%(value)s квадриллиона"
+msgstr[2] "%(value)s квадриллионов"
+msgstr[3] "%(value)s квадриллионов"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s квинтиллион"
+msgstr[1] "%(value)s квинтиллиона"
+msgstr[2] "%(value)s квинтиллионов"
+msgstr[3] "%(value)s квинтиллионов"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s секстиллион"
+msgstr[1] "%(value)s секстиллиона"
+msgstr[2] "%(value)s секстиллионов"
+msgstr[3] "%(value)s секстиллионов"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s септиллион"
+msgstr[1] "%(value)s септиллиона"
+msgstr[2] "%(value)s септиллионов"
+msgstr[3] "%(value)s септиллионов"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s октиллион"
+msgstr[1] "%(value)s октиллиона"
+msgstr[2] "%(value)s октиллионов"
+msgstr[3] "%(value)s октиллионов"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s нониллион"
+msgstr[1] "%(value)s нониллиона"
+msgstr[2] "%(value)s нониллионов"
+msgstr[3] "%(value)s нониллионов"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s дециллион"
+msgstr[1] "%(value)s дециллиона"
+msgstr[2] "%(value)s дециллионов"
+msgstr[3] "%(value)s дециллионов"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s гугол"
+msgstr[1] "%(value)s гугола"
+msgstr[2] "%(value)s гуголов"
+msgstr[3] "%(value)s гуголов"
+
+msgid "one"
+msgstr "один"
+
+msgid "two"
+msgstr "два"
+
+msgid "three"
+msgstr "три"
+
+msgid "four"
+msgstr "четыре"
+
+msgid "five"
+msgstr "пять"
+
+msgid "six"
+msgstr "шесть"
+
+msgid "seven"
+msgstr "семь"
+
+msgid "eight"
+msgstr "восемь"
+
+msgid "nine"
+msgstr "девять"
+
+msgid "today"
+msgstr "сегодня"
+
+msgid "tomorrow"
+msgstr "завтра"
+
+msgid "yesterday"
+msgstr "вчера"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s назад"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s час назад"
+msgstr[1] "%(count)s часа назад"
+msgstr[2] "%(count)s часов назад"
+msgstr[3] "%(count)s часов назад"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s минуту назад"
+msgstr[1] "%(count)s минуты назад"
+msgstr[2] "%(count)s минут назад"
+msgstr[3] "%(count)s минут назад"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s секунду назад"
+msgstr[1] "%(count)s секунды назад"
+msgstr[2] "%(count)s секунд назад"
+msgstr[3] "%(count)s секунд назад"
+
+msgid "now"
+msgstr "сейчас"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "через %(count)s секунду"
+msgstr[1] "через %(count)s секунды"
+msgstr[2] "через %(count)s секунд"
+msgstr[3] "через %(count)s секунд"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "через %(count)s минуту"
+msgstr[1] "через %(count)s минуты"
+msgstr[2] "через %(count)s минут"
+msgstr[3] "через %(count)s минут"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "через %(count)s час"
+msgstr[1] "через %(count)s часа"
+msgstr[2] "через %(count)s часов"
+msgstr[3] "через %(count)s часов"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "через %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d год"
+msgstr[1] "%(num)d года"
+msgstr[2] "%(num)d лет"
+msgstr[3] "%(num)d лет"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месяц"
+msgstr[1] "%(num)d месяца"
+msgstr[2] "%(num)d месяцев"
+msgstr[3] "%(num)d месяцев"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d неделю"
+msgstr[1] "%(num)d недели"
+msgstr[2] "%(num)d недель"
+msgstr[3] "%(num)d недель"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d день"
+msgstr[1] "%(num)d дня"
+msgstr[2] "%(num)d дней"
+msgstr[3] "%(num)d дней"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d час"
+msgstr[1] "%(num)d часа"
+msgstr[2] "%(num)d часов"
+msgstr[3] "%(num)d часов"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минуту"
+msgstr[1] "%(num)d минуты"
+msgstr[2] "%(num)d минут"
+msgstr[3] "%(num)d минут"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d год"
+msgstr[1] "%(num)d года"
+msgstr[2] "%(num)d лет"
+msgstr[3] "%(num)d лет"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месяц"
+msgstr[1] "%(num)d месяца"
+msgstr[2] "%(num)d месяцев"
+msgstr[3] "%(num)d месяцев"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d неделю"
+msgstr[1] "%(num)d недели"
+msgstr[2] "%(num)d недель"
+msgstr[3] "%(num)d недель"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d день"
+msgstr[1] "%(num)d дня"
+msgstr[2] "%(num)d дней"
+msgstr[3] "%(num)d дней"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d час"
+msgstr[1] "%(num)d часа"
+msgstr[2] "%(num)d часов"
+msgstr[3] "%(num)d часов"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минуту"
+msgstr[1] "%(num)d минуты"
+msgstr[2] "%(num)d минут"
+msgstr[3] "%(num)d минут"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..561afb19
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5591cae1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,390 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Adam Zahradník, 2023
+# Claude Paroz <claude@2xlibre.net>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marian Andre <marian@andre.sk>, 2012-2013
+# Martin Tóth <ezimir@gmail.com>, 2017-2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:40+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017-2019,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Humanize"
+msgstr "Poľudštenie"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milión"
+msgstr[1] "%(value)s milióny"
+msgstr[2] "%(value)s miliónov"
+msgstr[3] "%(value)s miliónov"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliarda"
+msgstr[1] "%(value)s miliardy"
+msgstr[2] "%(value)s miliárd"
+msgstr[3] "%(value)s miliárd"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s bilión"
+msgstr[1] "%(value)s bilióny"
+msgstr[2] "%(value)s biliónov"
+msgstr[3] "%(value)s biliónov"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s biliarda"
+msgstr[1] "%(value)s biliardy"
+msgstr[2] "%(value)s biliárd"
+msgstr[3] "%(value)s biliárd"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s trilión"
+msgstr[1] "%(value)s trilióny"
+msgstr[2] "%(value)s triliónov"
+msgstr[3] "%(value)s triliónov"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s triliarda"
+msgstr[1] "%(value)s triliardy"
+msgstr[2] "%(value)s triliárd"
+msgstr[3] "%(value)s triliárd"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kvadrilión"
+msgstr[1] "%(value)s kvadrilióny"
+msgstr[2] "%(value)s kvadriliónov"
+msgstr[3] "%(value)s kvadriliónov"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kvadriliarda"
+msgstr[1] "%(value)s kvadriliardy"
+msgstr[2] "%(value)s kvadriliárd"
+msgstr[3] "%(value)s kvadriliárd"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kvintilión"
+msgstr[1] "%(value)s kvintilióny"
+msgstr[2] "%(value)s kvintiliónov"
+msgstr[3] "%(value)s kvintiliónov"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kvintiliarda"
+msgstr[1] "%(value)s kvintiliardy"
+msgstr[2] "%(value)s kvintiliárd"
+msgstr[3] "%(value)s kvintiliárd"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+msgstr[2] "%(value)s googol"
+msgstr[3] "%(value)s googol"
+
+msgid "one"
+msgstr "jeden"
+
+msgid "two"
+msgstr "dva"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "štyri"
+
+msgid "five"
+msgstr "päť"
+
+msgid "six"
+msgstr "šesť"
+
+msgid "seven"
+msgstr "sedem"
+
+msgid "eight"
+msgstr "osem"
+
+msgid "nine"
+msgstr "deväť"
+
+msgid "today"
+msgstr "dnes"
+
+msgid "tomorrow"
+msgstr "zajtra"
+
+msgid "yesterday"
+msgstr "včera"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "pred %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "pred hodinou"
+msgstr[1] "pred %(count)s hodinami"
+msgstr[2] "pred %(count)s hodinami"
+msgstr[3] "pred %(count)s hodinami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "pred minútou"
+msgstr[1] "pred %(count)s minútami"
+msgstr[2] "pred %(count)s minútami"
+msgstr[3] "pred %(count)s minútami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "pred sekundou"
+msgstr[1] "pred %(count)s sekundami"
+msgstr[2] "pred %(count)s sekundami"
+msgstr[3] "pred %(count)s sekundami"
+
+msgid "now"
+msgstr "teraz"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "o sekundu"
+msgstr[1] "o %(count)s sekundy"
+msgstr[2] "o %(count)s sekúnd"
+msgstr[3] "o %(count)s sekúnd"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "o minútu"
+msgstr[1] "o %(count)s minúty"
+msgstr[2] "o %(count)s minút"
+msgstr[3] "o %(count)s minút"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "o hodinu"
+msgstr[1] "o %(count)s hodiny"
+msgstr[2] "o %(count)s hodín"
+msgstr[3] "o %(count)s hodín"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "o %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d rokom"
+msgstr[1] "%(num)d rokmi"
+msgstr[2] "%(num)d rokmi"
+msgstr[3] "%(num)d rokmi"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mesiacom"
+msgstr[1] "%(num)d mesiacmi"
+msgstr[2] "%(num)d mesiacmi"
+msgstr[3] "%(num)d mesiacmi"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d týždňom"
+msgstr[1] "%(num)d týždňami"
+msgstr[2] "%(num)d týždňami"
+msgstr[3] "%(num)d týždňami"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dňom"
+msgstr[1] "%(num)d dňami"
+msgstr[2] "%(num)d dňami"
+msgstr[3] "%(num)d dňami"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hodinou"
+msgstr[1] "%(num)d hodinami"
+msgstr[2] "%(num)d hodinami"
+msgstr[3] "%(num)d hodinami"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minútou"
+msgstr[1] "%(num)d minútami"
+msgstr[2] "%(num)d minútami"
+msgstr[3] "%(num)d minútami"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d rok"
+msgstr[1] "%(num)d roky"
+msgstr[2] "%(num)d rokov"
+msgstr[3] "%(num)d rokov"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mesiac"
+msgstr[1] "%(num)d mesiace"
+msgstr[2] "%(num)d mesiacov"
+msgstr[3] "%(num)d mesiacov"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d týždeň"
+msgstr[1] "%(num)d týždne"
+msgstr[2] "%(num)d týždňov"
+msgstr[3] "%(num)d týždňov"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d deň"
+msgstr[1] "%(num)d dni"
+msgstr[2] "%(num)d dní"
+msgstr[3] "%(num)d dní"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d hodinu"
+msgstr[1] "%(num)d hodiny"
+msgstr[2] "%(num)d hodín"
+msgstr[3] "%(num)d hodín"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minútu"
+msgstr[1] "%(num)d minúty"
+msgstr[2] "%(num)d minút"
+msgstr[3] "%(num)d minút"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2526b748
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3d50a93c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,392 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Andrej Marsetič, 2022-2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jure Cuhalev <gandalf@owca.info>, 2011
+# Primoz Verdnik <primoz.verdnik@gmail.com>, 2013-2014
+# zejn <zelo.zejn+transifex@gmail.com>, 2016
+# zejn <zelo.zejn+transifex@gmail.com>, 2011,2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:40+0000\n"
+"Last-Translator: Andrej Marsetič, 2022-2023\n"
+"Language-Team: Slovenian (http://app.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "Humanize"
+msgstr "Počloveči"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milijon"
+msgstr[1] "%(value)s milijona"
+msgstr[2] "%(value)s milijoni"
+msgstr[3] "%(value)s milijonov"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miljarda"
+msgstr[1] "%(value)s miljardi"
+msgstr[2] "%(value)s miljarde"
+msgstr[3] "%(value)s miljard"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s triljon"
+msgstr[1] "%(value)s triljona"
+msgstr[2] "%(value)s triljoni"
+msgstr[3] "%(value)s triljonov"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kvadrilijon"
+msgstr[1] "%(value)s kvadrilijona"
+msgstr[2] "%(value)s kvadrilijoni"
+msgstr[3] "%(value)s kvadrilijonov"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintilijon"
+msgstr[1] "%(value)s kvintilijona"
+msgstr[2] "%(value)s kvintilijoni"
+msgstr[3] "%(value)s kvintilijonov"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstilijon"
+msgstr[1] "%(value)s sekstilijona"
+msgstr[2] "%(value)s sekstilijoni"
+msgstr[3] "%(value)s sekstilijonov"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilijon"
+msgstr[1] "%(value)s septilijona"
+msgstr[2] "%(value)s septilijoni"
+msgstr[3] "%(value)s septilijonov"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktilijon"
+msgstr[1] "%(value)s oktilijona"
+msgstr[2] "%(value)s oktilijoni"
+msgstr[3] "%(value)s oktilijonov"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilijon"
+msgstr[1] "%(value)s nonilijona"
+msgstr[2] "%(value)s nonilijoni"
+msgstr[3] "%(value)s nonilijonov"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decilijon"
+msgstr[1] "%(value)s decilijona"
+msgstr[2] "%(value)s decilijoni"
+msgstr[3] "%(value)s decilijonov"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gugol"
+msgstr[1] "%(value)s gugola"
+msgstr[2] "%(value)s gugoli"
+msgstr[3] "%(value)s gugolov"
+
+msgid "one"
+msgstr "ena"
+
+msgid "two"
+msgstr "dve"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "štiri"
+
+msgid "five"
+msgstr "pet"
+
+msgid "six"
+msgstr "šest"
+
+msgid "seven"
+msgstr "sedem"
+
+msgid "eight"
+msgstr "osem"
+
+msgid "nine"
+msgstr "devet"
+
+msgid "today"
+msgstr "danes"
+
+msgid "tomorrow"
+msgstr "jutri"
+
+msgid "yesterday"
+msgstr "včeraj"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "pred %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "pred %(count)s uro"
+msgstr[1] "pred %(count)s urama"
+msgstr[2] "pred %(count)s urami"
+msgstr[3] "pred %(count)s urami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "pred %(count)s minuto"
+msgstr[1] "pred %(count)s minutama"
+msgstr[2] "pred %(count)s minutami"
+msgstr[3] "pred %(count)s minutami"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "pred %(count)s sekundo"
+msgstr[1] "pred %(count)s sekundama"
+msgstr[2] "pred %(count)s sekundami"
+msgstr[3] "pred %(count)s sekundami"
+
+msgid "now"
+msgstr "zdaj"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "čez %(count)s sekundo"
+msgstr[1] "čez %(count)s sekundi"
+msgstr[2] "čez %(count)s sekunde"
+msgstr[3] "čez %(count)s sekund"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "čez %(count)s minuto"
+msgstr[1] "čez %(count)s minuti"
+msgstr[2] "čez %(count)s minute"
+msgstr[3] "čez %(count)s minut"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "čez %(count)s uro"
+msgstr[1] "čez %(count)s uri"
+msgstr[2] "čez %(count)s ure"
+msgstr[3] "čez %(count)s ur"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)sod zdaj"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d leto"
+msgstr[1] "%(num)d leti"
+msgstr[2] "%(num)d let"
+msgstr[3] "%(num)d let"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mesec"
+msgstr[1] "%(num)d meseca"
+msgstr[2] "%(num)d mesecev"
+msgstr[3] "%(num)d mesecev"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d teden"
+msgstr[1] "%(num)d tedna"
+msgstr[2] "%(num)d tednov"
+msgstr[3] "%(num)d tednov"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dan"
+msgstr[1] "%(num)d dneva"
+msgstr[2] "%(num)d dni"
+msgstr[3] "%(num)d dni"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ura"
+msgstr[1] "%(num)d uri"
+msgstr[2] "%(num)d ur"
+msgstr[3] "%(num)d ur"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuta"
+msgstr[1] "%(num)d minuti"
+msgstr[2] "%(num)d minut"
+msgstr[3] "%(num)d minut"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d leto"
+msgstr[1] "%(num)d leti"
+msgstr[2] "%(num)d let"
+msgstr[3] "%(num)d let"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d mesec"
+msgstr[1] "%(num)d meseca"
+msgstr[2] "%(num)d mesecev"
+msgstr[3] "%(num)d mesecev"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d teden"
+msgstr[1] "%(num)d tedena"
+msgstr[2] "%(num)d tedne"
+msgstr[3] "%(num)d tedne"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dan"
+msgstr[1] "%(num)d dneva"
+msgstr[2] "%(num)d dni"
+msgstr[3] "%(num)d dni"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d ura"
+msgstr[1] "%(num)d uri"
+msgstr[2] "%(num)d ure"
+msgstr[3] "%(num)d ure"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minuta"
+msgstr[1] "%(num)d minuti"
+msgstr[2] "%(num)d minut"
+msgstr[3] "%(num)d minut"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f7e3c3b7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sq/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a62e51f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,395 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik <besnik@programeshqip.org>, 2011,2015
+# Besnik <besnik@programeshqip.org>, 2015,2018-2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-03-12 07:59+0000\n"
+"Last-Translator: Besnik <besnik@programeshqip.org>\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Jepi Formë Njerëzore"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "-të"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "-të"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f milion"
+msgstr[1] "%(value).1f milionë"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milion"
+msgstr[1] "%(value)s milionë"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f miliard"
+msgstr[1] "%(value).1f miliardë"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miliard"
+msgstr[1] "%(value)s miliardë"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f trilion"
+msgstr[1] "%(value).1f trilionë"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilion"
+msgstr[1] "%(value)s trilionë"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f kuadrilion"
+msgstr[1] "%(value).1f kuadrilionë"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kuadrilion"
+msgstr[1] "%(value)s kuadrilionë"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f kuintilion"
+msgstr[1] "%(value).1f kuintilionë"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kuintilionë"
+msgstr[1] "%(value)s kuintilionë"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sestilion"
+msgstr[1] "%(value).1f sestilionë"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sestilion"
+msgstr[1] "%(value)s sestilionë"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septilion"
+msgstr[1] "%(value).1f septilionë"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilion"
+msgstr[1] "%(value)s septilionë"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f oktilion"
+msgstr[1] "%(value).1f oktilionë"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktilion"
+msgstr[1] "%(value)s oktilionë"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonilion"
+msgstr[1] "%(value).1f nonilionë"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilion"
+msgstr[1] "%(value)s nonilionë"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decilion"
+msgstr[1] "%(value).1f decilionë"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decilion"
+msgstr[1] "%(value)s decilionë"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f gugol"
+msgstr[1] "%(value).1f gugolë"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s gugol"
+msgstr[1] "%(value)s gugolë"
+
+msgid "one"
+msgstr "një"
+
+msgid "two"
+msgstr "dy"
+
+msgid "three"
+msgstr "tre"
+
+msgid "four"
+msgstr "katër"
+
+msgid "five"
+msgstr "pesë"
+
+msgid "six"
+msgstr "gjashtë"
+
+msgid "seven"
+msgstr "shtatë"
+
+msgid "eight"
+msgstr "tetë"
+
+msgid "nine"
+msgstr "nëntë"
+
+msgid "today"
+msgstr "sot"
+
+msgid "tomorrow"
+msgstr "nesër"
+
+msgid "yesterday"
+msgstr "dje"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s më parë"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "një orë më parë"
+msgstr[1] "%(count)s orë më parë"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "një minutë më parë"
+msgstr[1] "%(count)s minuta më parë"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "një sekondë më parë"
+msgstr[1] "%(count)s sekonda më parë"
+
+msgid "now"
+msgstr "tani"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "një sekondë më parë"
+msgstr[1] "%(count)s sekonda më parë"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "për një minutë"
+msgstr[1] "për %(count)s minuta"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "për një orë"
+msgstr[1] "për %(count)s orë"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s nga tani"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d vit"
+msgstr[1] "%d vjet"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d muaj"
+msgstr[1] "%d muaj"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d javë"
+msgstr[1] "%d javë"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d ditë"
+msgstr[1] "%d ditë"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d orë"
+msgstr[1] "%d orë"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minutë"
+msgstr[1] "%d minuta"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d vit"
+msgstr[1] "%d vjet"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d muaj"
+msgstr[1] "%d muaj"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d javë"
+msgstr[1] "%d javë"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d ditë"
+msgstr[1] "%d ditë"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d orë"
+msgstr[1] "%d orë"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d minutë"
+msgstr[1] "%d minuta"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..df50722c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f7726cce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,359 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Igor Jerosimić, 2021,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:40+0000\n"
+"Last-Translator: Igor Jerosimić, 2021,2023\n"
+"Language-Team: Serbian (http://app.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Humanize"
+msgstr "Улепшавање"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}-ти"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}-ти"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}-и"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}-и"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s милион"
+msgstr[1] "%(value)s милиона"
+msgstr[2] "%(value)s милиона"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s милијарда"
+msgstr[1] "%(value)s милијарде"
+msgstr[2] "%(value)s милијарди"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s билион"
+msgstr[1] "%(value)s билиона"
+msgstr[2] "%(value)s билиона"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s билијарда"
+msgstr[1] "%(value)s билијарде"
+msgstr[2] "%(value)s билијарди"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s трилион"
+msgstr[1] "%(value)s трилиона"
+msgstr[2] "%(value)s трилиона"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s трилијарда"
+msgstr[1] "%(value)s трилијарде"
+msgstr[2] "%(value)s трилијарди"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)sквадрилион "
+msgstr[1] "%(value)sквадрилиона "
+msgstr[2] "%(value)sквадрилиона "
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)sквадрилијарда "
+msgstr[1] "%(value)sквадрилијарде "
+msgstr[2] "%(value)sквадрилијарди "
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)sквантилион "
+msgstr[1] "%(value)sквантилиона "
+msgstr[2] "%(value)sквантилиона "
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)sквантилијарда "
+msgstr[1] "%(value)sквантилијарде "
+msgstr[2] "%(value)sквантилијарди "
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s гугол"
+msgstr[1] "%(value)s гугола"
+msgstr[2] "%(value)s гугола"
+
+msgid "one"
+msgstr "један"
+
+msgid "two"
+msgstr "два"
+
+msgid "three"
+msgstr "три"
+
+msgid "four"
+msgstr "четири"
+
+msgid "five"
+msgstr "пет"
+
+msgid "six"
+msgstr "шест"
+
+msgid "seven"
+msgstr "седам"
+
+msgid "eight"
+msgstr "осам"
+
+msgid "nine"
+msgstr "девет"
+
+msgid "today"
+msgstr "данас"
+
+msgid "tomorrow"
+msgstr "сутра"
+
+msgid "yesterday"
+msgstr "јуче"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "пре %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "пре %(count)s сата"
+msgstr[1] "пре %(count)s сата"
+msgstr[2] "пре %(count)s сати"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "пре %(count)s минута"
+msgstr[1] "пре %(count)s минута"
+msgstr[2] "пре %(count)s минута"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "пре %(count)s секунде"
+msgstr[1] "пре %(count)s секунде"
+msgstr[2] "пре %(count)s секунди"
+
+msgid "now"
+msgstr "сада"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s секунда од сад"
+msgstr[1] "%(count)s секунде од сада"
+msgstr[2] "%(count)s секунди од сада"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s минут од сад"
+msgstr[1] "%(count)s минута од сада"
+msgstr[2] "%(count)s минута од сада"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s сат од сад"
+msgstr[1] "%(count)s сата од сада"
+msgstr[2] "%(count)s сати од сада"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s од сад"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d година"
+msgstr[1] "%(num)d године"
+msgstr[2] "%(num)d година"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месец"
+msgstr[1] "%(num)d месеца"
+msgstr[2] "%(num)d месеци"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d недеља"
+msgstr[1] "%(num)d недеље"
+msgstr[2] "%(num)d недеља"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d дан"
+msgstr[1] "%(num)d дана"
+msgstr[2] "%(num)d дана"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d сат"
+msgstr[1] "%(num)d сата"
+msgstr[2] "%(num)d сати"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минут"
+msgstr[1] "%(num)d минута"
+msgstr[2] "%(num)d минута"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d година"
+msgstr[1] "%(num)d године"
+msgstr[2] "%(num)d година"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d месец"
+msgstr[1] "%(num)d месеца"
+msgstr[2] "%(num)d месеци"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d недеља"
+msgstr[1] "%(num)d недеље"
+msgstr[2] "%(num)d недеља"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d дан"
+msgstr[1] "%(num)d дана"
+msgstr[2] "%(num)d дана"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d сат"
+msgstr[1] "%(num)d сата"
+msgstr[2] "%(num)d сати"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d минут"
+msgstr[1] "%(num)d минута"
+msgstr[2] "%(num)d минута"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e40470ba
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr_Latn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..02cf7070
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,358 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2021,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:40+0000\n"
+"Last-Translator: Igor Jerosimić, 2021,2023\n"
+"Language-Team: Serbian (Latin) (http://app.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Humanize"
+msgstr "Humanizovanje"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}-ti"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}-ti"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "one"
+msgstr "jedan"
+
+msgid "two"
+msgstr "dva"
+
+msgid "three"
+msgstr "tri"
+
+msgid "four"
+msgstr "četiri"
+
+msgid "five"
+msgstr "pet"
+
+msgid "six"
+msgstr "šest"
+
+msgid "seven"
+msgstr "sedam"
+
+msgid "eight"
+msgstr "osam"
+
+msgid "nine"
+msgstr "devet"
+
+msgid "today"
+msgstr "danas"
+
+msgid "tomorrow"
+msgstr "sutra"
+
+msgid "yesterday"
+msgstr "juče"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+msgid "now"
+msgstr "sada"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a670a622
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..eda21640
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,335 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Albin Larsson <albin.post@gmail.com>, 2022
+# Andreas Pelme <andreas@pelme.se>, 2011-2012,2014
+# Elias Johnstone <eli87as@gmail.com>, 2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Johan Rohdin, 2021
+# Jonathan Lindén, 2014
+# Petter Strandmark <petter.strandmark@gmail.com>, 2019
+# Rasmus Précenth <prillan91@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-07-24 18:40+0000\n"
+"Last-Translator: Elias Johnstone <eli87as@gmail.com>\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Humanisera"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}:a"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}:a"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}:e"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}:e"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s miljon"
+msgstr[1] "%(value)s miljoner"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s miljard"
+msgstr[1] "%(value)s miljarder"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s triljon"
+msgstr[1] "%(value)s triljoner"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s biljard"
+msgstr[1] "%(value)s biljarder"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kvintiljon"
+msgstr[1] "%(value)s kvintiljoner"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s triljard"
+msgstr[1] "%(value)s triljarder"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s kvadriljon"
+msgstr[1] "%(value)s kvadriljoner"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s kvadriljard"
+msgstr[1] "%(value)s kvadriljarder"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s kvintiljon"
+msgstr[1] "%(value)s kvintiljoner"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s kvintiljard"
+msgstr[1] "%(value)s kvintiljarder"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googoler"
+
+msgid "one"
+msgstr "ett"
+
+msgid "two"
+msgstr "två"
+
+msgid "three"
+msgstr "tre"
+
+msgid "four"
+msgstr "fyra"
+
+msgid "five"
+msgstr "fem"
+
+msgid "six"
+msgstr "sex"
+
+msgid "seven"
+msgstr "sju"
+
+msgid "eight"
+msgstr "åtta"
+
+msgid "nine"
+msgstr "nio"
+
+msgid "today"
+msgstr "i dag"
+
+msgid "tomorrow"
+msgstr "i morgon"
+
+msgid "yesterday"
+msgstr "i går"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s sedan"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "en timme sedan"
+msgstr[1] "%(count)s timmar sedan"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "en minut sedan"
+msgstr[1] "%(count)s minuter sedan"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "en sekund sedan"
+msgstr[1] "%(count)s sekunder sedan"
+
+msgid "now"
+msgstr "nu"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "en sekund från nu"
+msgstr[1] "om %(count)s sekunder"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "en minut från nu"
+msgstr[1] "om %(count)s minuter"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "en timme från nu"
+msgstr[1] "om %(count)s timmar"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "om %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d månad"
+msgstr[1] "%(num)d månader"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d vecka"
+msgstr[1] "%(num)d veckor"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dagar"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d timme"
+msgstr[1] "%(num)d timmar"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minuter"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d år"
+msgstr[1] "%(num)d år"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d månad"
+msgstr[1] "%(num)d månader"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d vecka"
+msgstr[1] "%(num)d veckor"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d dag"
+msgstr[1] "%(num)d dagar"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d timme"
+msgstr[1] "%(num)d timmar"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minuter"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c0b78913
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sw/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5852ab39
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Machaku <bmachaku@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Weka kibinadamu"
+
+msgid "th"
+msgstr " "
+
+msgid "st"
+msgstr " "
+
+msgid "nd"
+msgstr " "
+
+msgid "rd"
+msgstr " "
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "milioni %(value).1f"
+msgstr[1] "milioni %(value).1f"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "milioni %(value)s"
+msgstr[1] "milioni %(value)s"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "bilioni %(value).1f"
+msgstr[1] "bilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "bilioni %(value)s"
+msgstr[1] "bilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "trilioni %(value).1f"
+msgstr[1] "trilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "trilioni %(value)s"
+msgstr[1] "trilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "kuadrilioni %(value).1f"
+msgstr[1] "kuadrilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "kuadrilioni %(value)s"
+msgstr[1] "kuadrilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "kuintilioni %(value).1f"
+msgstr[1] "kuintilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "kuintilioni %(value)s"
+msgstr[1] "kuintilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "seksitilioni %(value).1f"
+msgstr[1] "seksitilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "seksitilioni %(value)s"
+msgstr[1] "seksitilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "septilioni %(value).1f"
+msgstr[1] "septilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "septilioni %(value)s"
+msgstr[1] "septilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f oktilioni"
+msgstr[1] "%(value).1f oktilioni"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "oktilioni %(value)s"
+msgstr[1] "oktilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "nonilioni %(value).1f"
+msgstr[1] "nonilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "nonilioni %(value)s"
+msgstr[1] "nonilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "desilioni %(value).1f"
+msgstr[1] "desilioni %(value).1f"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "desilioni %(value)s"
+msgstr[1] "desilioni %(value)s"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "gogoli %(value).1f"
+msgstr[1] "gogoli %(value).1f"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "gogoli %(value)s"
+msgstr[1] "gogoli %(value)s"
+
+msgid "one"
+msgstr "moja"
+
+msgid "two"
+msgstr "mbili"
+
+msgid "three"
+msgstr "tatu"
+
+msgid "four"
+msgstr "nne"
+
+msgid "five"
+msgstr "tano"
+
+msgid "six"
+msgstr "sita"
+
+msgid "seven"
+msgstr "saba"
+
+msgid "eight"
+msgstr "nane"
+
+msgid "nine"
+msgstr "tisa"
+
+msgid "today"
+msgstr "leo"
+
+msgid "tomorrow"
+msgstr "kesho"
+
+msgid "yesterday"
+msgstr "jana"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s zilizopita"
+
+msgid "now"
+msgstr "sasa"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "Sekunde iliyopita"
+msgstr[1] "Sekunde %(count)s zilizopita"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "Dakika iliyopita"
+msgstr[1] "Dakika %(count)s zilizopita"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "Saa lililopita"
+msgstr[1] "Masaa %(count)s yaliyopita"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s kutoka sasa"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "Sekunde moja kutoka sasa"
+msgstr[1] "Sekunde %(count)s kutoka sasa"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "Dakika moja kutoka sasa"
+msgstr[1] "Dakika %(count)s kutoka sasa"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "Saa limoja kutoka sasa "
+msgstr[1] "Masaa %(count)s kutoka sasa"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..77e9f9b7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..36a253d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,261 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/projects/p/django/language/"
+"ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e7439a30
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ad1ccdb2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,262 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# bhaskar teja yerneni <prudhviy@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "వ"
+
+msgid "st"
+msgstr "వ"
+
+msgid "nd"
+msgstr "వ"
+
+msgid "rd"
+msgstr "వ"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "ఒక్కటి"
+
+msgid "two"
+msgstr "రెండు"
+
+msgid "three"
+msgstr "మూడు"
+
+msgid "four"
+msgstr "నాలుగు"
+
+msgid "five"
+msgstr "ఐదు"
+
+msgid "six"
+msgstr "ఆరు"
+
+msgid "seven"
+msgstr "ఏడు"
+
+msgid "eight"
+msgstr "ఎనిమిది "
+
+msgid "nine"
+msgstr "తొమ్మిది"
+
+msgid "today"
+msgstr "ఈ రోజు"
+
+msgid "tomorrow"
+msgstr "రెపు"
+
+msgid "yesterday"
+msgstr "నిన్న"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s క్రితము"
+
+msgid "now"
+msgstr "ఇప్పుడు "
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "ఇప్పటినుండి %(delta)s కు"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..76b769bd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..de792eaf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,393 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2020-05-15 00:31+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Ба шакли оммафаҳм овардани қимат"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}-ум"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}-ум"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "як"
+
+msgid "two"
+msgstr "ду"
+
+msgid "three"
+msgstr "се"
+
+msgid "four"
+msgstr "чор"
+
+msgid "five"
+msgstr "панҷ"
+
+msgid "six"
+msgstr "шаш"
+
+msgid "seven"
+msgstr "ҳафт"
+
+msgid "eight"
+msgstr "ҳашт"
+
+msgid "nine"
+msgstr "нуҳ"
+
+msgid "today"
+msgstr "имрӯз"
+
+msgid "tomorrow"
+msgstr "пагоҳ"
+
+msgid "yesterday"
+msgstr "дирӯз"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s пеш"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "now"
+msgstr "ҳозир"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "баъд аз %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6c11ee0a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/th/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e7132656
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,357 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2012,2018
+# Perry Roper <perry@getwashdrop.com>, 2017
+# sipp11 <sipp11@mycapsules.com>, 2014
+# Vichai Vongvorakul <vongvichai@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2018-05-18 01:38+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "ทำเป็นภาษามนุษย์"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f หนึ่งล้าน"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s ล้าน"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f สิบล้าน"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s พันล้าน"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f ร้อยล้าน"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] " %(value)s  ล้านล้าน"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f quadrillion"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s quadrillion"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f quintillion"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s quintillion"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f sextillion"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sextillion"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f septillion"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillion"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f octillion"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s octillion"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nonillion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillion"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f decillion"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s decillion"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f googol"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+
+msgid "one"
+msgstr "หนึ่ง"
+
+msgid "two"
+msgstr "สอง"
+
+msgid "three"
+msgstr "สาม"
+
+msgid "four"
+msgstr "สี่"
+
+msgid "five"
+msgstr "ห้า"
+
+msgid "six"
+msgstr "หก"
+
+msgid "seven"
+msgstr "เจ็ด"
+
+msgid "eight"
+msgstr "แปด"
+
+msgid "nine"
+msgstr "เก้า"
+
+msgid "today"
+msgstr "วันนี้"
+
+msgid "tomorrow"
+msgstr "พรุ่งนี้"
+
+msgid "yesterday"
+msgstr "เมื่อวานนี้"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s ชั่วโมงที่ผ่านมา"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s นาทีที่ผ่านมา"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s วินาทีที่ผ่านมา"
+
+msgid "now"
+msgstr "ขณะนี้"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s วินาทีต่อจากนี้"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s นาทีต่อจากนี้"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s ชั่วโมงต่อจากนี้"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5df0030f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..79013422
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,328 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Resul <resulsaparov@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2023-04-24 18:40+0000\n"
+"Last-Translator: Resul <resulsaparov@gmail.com>, 2022\n"
+"Language-Team: Turkmen (http://www.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "Düşnüklileşdir"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}-inji"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}-njy"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}-nji"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}-njy"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s million"
+msgstr[1] "%(value)s million"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milliard"
+msgstr[1] "%(value)s milliard"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trillion"
+msgstr[1] "%(value)s trillion"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s kwadrillion"
+msgstr[1] "%(value)s kwadrillion"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kwintillion"
+msgstr[1] "%(value)s kwintillion"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s sekstillion"
+msgstr[1] "%(value)s sekstillion"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septillion"
+msgstr[1] "%(value)s septillion"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktillion"
+msgstr[1] "%(value)s oktillion"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonillion"
+msgstr[1] "%(value)s nonillion"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s desillion"
+msgstr[1] "%(value)s desillion"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "bir"
+
+msgid "two"
+msgstr "iki"
+
+msgid "three"
+msgstr "üç"
+
+msgid "four"
+msgstr "dört"
+
+msgid "five"
+msgstr "bäş"
+
+msgid "six"
+msgstr "alty"
+
+msgid "seven"
+msgstr "ýedi"
+
+msgid "eight"
+msgstr "sekiz"
+
+msgid "nine"
+msgstr "dokuz"
+
+msgid "today"
+msgstr "şu gün"
+
+msgid "tomorrow"
+msgstr "ertir"
+
+msgid "yesterday"
+msgstr "düýn"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s öň"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "bir sagat öň"
+msgstr[1] "%(count)s sagat öň"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "bir minut öň"
+msgstr[1] "%(count)s minut öň"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "bir sekunt öň"
+msgstr[1] "%(count)s sekunt öň"
+
+msgid "now"
+msgstr "şu wagt"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "şu wagtdan bir sekunt soň"
+msgstr[1] "şu wagtdan %(count)s sekunt soň"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "şu wagtdan bir minut soň"
+msgstr[1] "şu wagtdan %(count)s minut soň"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "şu wagtdan bir sagat soň"
+msgstr[1] "şu wagtdan  %(count)s sagat soň"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "şu wagtdan %(delta)s soň"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d ýyl"
+msgstr[1] "%(num)d ýyl"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d aý"
+msgstr[1] "%(num)d aý"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d hepde"
+msgstr[1] "%(num)d hepde"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d gün"
+msgstr[1] "%(num)d gün"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d sagat"
+msgstr[1] "%(num)d sagat"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minut"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d ýyl"
+msgstr[1] "%(num)d ýyl"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d aý"
+msgstr[1] "%(num)d aý"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d hepde"
+msgstr[1] "%(num)d hepde"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d gün"
+msgstr[1] "%(num)d gün"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d sagat"
+msgstr[1] "%(num)d sagat"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d minut"
+msgstr[1] "%(num)d minut"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..348e992b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ef2b6053
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,333 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ahmet Emre Aladağ <emre.aladag@isik.edu.tr>, 2013
+# BouRock, 2018,2021
+# BouRock, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Metin Amiroff <amiroff@gmail.com>, 2012
+# Murat Sahin <martinamca@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-09-22 17:36+0000\n"
+"Last-Translator: BouRock\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Humanize"
+msgstr "İnsansı"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}."
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}."
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s milyon"
+msgstr[1] "%(value)s milyon"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s milyar"
+msgstr[1] "%(value)s milyar"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s trilyon"
+msgstr[1] "%(value)s trilyon"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s katrilyon"
+msgstr[1] "%(value)s katrilyon"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s kentilyon"
+msgstr[1] "%(value)s kentilyon"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s seksilyon"
+msgstr[1] "%(value)s seksilyon"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s septilyon"
+msgstr[1] "%(value)s septilyon"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s oktilyon"
+msgstr[1] "%(value)s oktilyon"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nonilyon"
+msgstr[1] "%(value)s nonilyon"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s desilyon"
+msgstr[1] "%(value)s desilyon"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s googol"
+msgstr[1] "%(value)s googol"
+
+msgid "one"
+msgstr "bir"
+
+msgid "two"
+msgstr "iki"
+
+msgid "three"
+msgstr "üç"
+
+msgid "four"
+msgstr "dört"
+
+msgid "five"
+msgstr "beş"
+
+msgid "six"
+msgstr "altı"
+
+msgid "seven"
+msgstr "yedi"
+
+msgid "eight"
+msgstr "sekiz"
+
+msgid "nine"
+msgstr "dokuz"
+
+msgid "today"
+msgstr "bugün"
+
+msgid "tomorrow"
+msgstr "yarın"
+
+msgid "yesterday"
+msgstr "dün"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s önce"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "bir saat önce"
+msgstr[1] "%(count)s saat önce"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "bir dakika önce"
+msgstr[1] "%(count)s dakika önce"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "bir saniye önce"
+msgstr[1] "%(count)s saniye önce"
+
+msgid "now"
+msgstr "şimdi"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "şu andan itibaren bir saniye"
+msgstr[1] "şu andan itibaren %(count)s saniye"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "şu andan itibaren bir dakika"
+msgstr[1] "şu andan itibaren %(count)s dakika"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "şu andan itibaren bir saat"
+msgstr[1] "şu andan itibaren %(count)s saat"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "şu andan itibaren %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d yıl"
+msgstr[1] "%(num)d yıl"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ay"
+msgstr[1] "%(num)d ay"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d hafta"
+msgstr[1] "%(num)d hafta"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d gün"
+msgstr[1] "%(num)d gün"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d saat"
+msgstr[1] "%(num)d saat"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d dakika"
+msgstr[1] "%(num)d dakika"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d yıl"
+msgstr[1] "%(num)d yıl"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ay"
+msgstr[1] "%(num)d ay"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d hafta"
+msgstr[1] "%(num)d hafta"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d gün"
+msgstr[1] "%(num)d gün"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d saat"
+msgstr[1] "%(num)d saat"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d dakika"
+msgstr[1] "%(num)d dakika"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..98df56f9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..96c72ad1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,233 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "че"
+
+msgid "st"
+msgstr "че"
+
+msgid "nd"
+msgstr "че"
+
+msgid "rd"
+msgstr "че"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f миллион"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s миллион"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f миллиард"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s миллиард"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f триллион"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s триллион"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f квадриллион"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s квадриллион"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f квинтиллион"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s квинтиллион"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f секстиллион"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s секстиллион"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f септиллион"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s септиллион"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f октиллион"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s октиллион"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f нониллион"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s нониллион"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f дециллион"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s дециллион"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f дециллион"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s гугол"
+
+msgid "one"
+msgstr "бер"
+
+msgid "two"
+msgstr "ике"
+
+msgid "three"
+msgstr "өч"
+
+msgid "four"
+msgstr "дүрт"
+
+msgid "five"
+msgstr "биш"
+
+msgid "six"
+msgstr "алты"
+
+msgid "seven"
+msgstr "җиде"
+
+msgid "eight"
+msgstr "сигез"
+
+msgid "nine"
+msgstr "тугыз"
+
+msgid "today"
+msgstr "бүген"
+
+msgid "tomorrow"
+msgstr "иртәгә"
+
+msgid "yesterday"
+msgstr "кичә"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "%(delta)s элек"
+
+msgid "now"
+msgstr "хәзер"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "хәзердән %(delta)s"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af7ab53b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/udm/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3508cf8e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,233 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr ""
+
+msgid "st"
+msgstr ""
+
+msgid "nd"
+msgstr ""
+
+msgid "rd"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+
+msgid "one"
+msgstr ""
+
+msgid "two"
+msgstr ""
+
+msgid "three"
+msgstr ""
+
+msgid "four"
+msgstr ""
+
+msgid "five"
+msgstr ""
+
+msgid "six"
+msgstr ""
+
+msgid "seven"
+msgstr ""
+
+msgid "eight"
+msgstr ""
+
+msgid "nine"
+msgstr ""
+
+msgid "today"
+msgstr ""
+
+msgid "tomorrow"
+msgstr ""
+
+msgid "yesterday"
+msgstr ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1cc8dd10
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3216ca14
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,328 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+# Azat, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-09-18 11:41-0300\n"
+"PO-Revision-Date: 2023-12-04 18:40+0000\n"
+"Last-Translator: Azat, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr "ئىنسانلاشتۇرۇش"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}جى"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}جى"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s مىليون"
+msgstr[1] "%(value)s مىليون"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s مىليارد"
+msgstr[1] "%(value)s مىليارد"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s تىرىليون"
+msgstr[1] "%(value)s تىرىليون"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s كۋادىرىللىيۇن"
+msgstr[1] "%(value)s كۋادىرىللىيۇن"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s كۈيىنتىللىيون"
+msgstr[1] "%(value)s كۈيىنتىللىيون"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s سېكستىللىيون"
+msgstr[1] "%(value)s سېكستىللىيون"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s سېكستىللىيون"
+msgstr[1] "%(value)s سېكستىللىيون"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s ئوكتىلىيون"
+msgstr[1] "%(value)s ئوكتىلىيون"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s نونىللىيون"
+msgstr[1] "%(value)s نونىللىيون"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s دېكىللىيون"
+msgstr[1] "%(value)s دېكىللىيون"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s گۇگول "
+msgstr[1] "%(value)s گۇگول"
+
+msgid "one"
+msgstr "بىر"
+
+msgid "two"
+msgstr "ئىككى"
+
+msgid "three"
+msgstr "ئۈچ"
+
+msgid "four"
+msgstr "تۆت"
+
+msgid "five"
+msgstr "بەش"
+
+msgid "six"
+msgstr "ئالتە"
+
+msgid "seven"
+msgstr "يەتتە"
+
+msgid "eight"
+msgstr "سەككىز"
+
+msgid "nine"
+msgstr "توققۇز"
+
+msgid "today"
+msgstr "بۈگۈن"
+
+msgid "tomorrow"
+msgstr "ئەتە"
+
+msgid "yesterday"
+msgstr "تۈنۈگۈن"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s ئىلگىرى"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "1 سائەت ئىلگىرى"
+msgstr[1] "%(count)s سائەت ئىلگىرى"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "1 مىنۇت ئىلگىرى"
+msgstr[1] "%(count)s مىنۇت ئىلگىرى"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "1 سېكۇنت ئىلگىرى"
+msgstr[1] "%(count)s سېكۇنت ئىلگىرى"
+
+msgid "now"
+msgstr "ھازىر"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "1 سېكۇنتتىن كېيىن"
+msgstr[1] "%(count)s سېكۇنتتىن كېيىن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "1 مىنۇتتىن كېيىن"
+msgstr[1] "%(count)s مىنۇتتىن كېيىن"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "1 سائەتتىن كېيىن"
+msgstr[1] "%(count)s سائەتتىن كېيىن"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s دىن كېيىن"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d يىل"
+msgstr[1] "%(num)d يىل"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ئاي"
+msgstr[1] "%(num)d ئاي"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d ھەپتە"
+msgstr[1] "%(num)d ھەپتە"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d كۈن"
+msgstr[1] "%(num)d كۈن"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d سائەت"
+msgstr[1] "%(num)d سائەت"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d مىنۇت"
+msgstr[1] "%(num)d مىنۇت"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d يىل"
+msgstr[1] "%(num)d يىل"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d ئاي"
+msgstr[1] "%(num)d ئاي"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d ھەپتە"
+msgstr[1] "%(num)d ھەپتە"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d كۈن"
+msgstr[1] "%(num)d كۈن"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d سائەت"
+msgstr[1] "%(num)d سائەت"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d مىنۇت"
+msgstr[1] "%(num)d مىنۇت"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1662778a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d4c86fd1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,395 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Oleksandr Chernihov <o.chernihov@gmail.com>, 2014
+# Illia Volochii <illia.volochii@gmail.com>, 2022
+# Kirill Gagarski <gagarin.gtn@gmail.com>, 2014
+# Max V. Stotsky <transifex@ms.pereslavl.ru>, 2014
+# Mykola Zamkovoi <nickzam@gmail.com>, 2014
+# Alex Bolotov <oleksandr.bolotov@gmail.com>, 2013
+# tarasyyyk <taras.korzhak96@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2022-07-24 18:40+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Humanize"
+msgstr "Олюднювати"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "{}ть"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "{}ій"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "{}ий"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "{}ий"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s мільйон"
+msgstr[1] "%(value)s мільйони"
+msgstr[2] "%(value)s мільйонів"
+msgstr[3] "%(value)s мільйонів"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s мільярд"
+msgstr[1] "%(value)s мільярди"
+msgstr[2] "%(value)s мільярдів"
+msgstr[3] "%(value)s мільярдів"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s трильйон"
+msgstr[1] "%(value)s трильйони"
+msgstr[2] "%(value)s трильйонів"
+msgstr[3] "%(value)s трильйонів"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s квадрильйон"
+msgstr[1] "%(value)s квадрильйони"
+msgstr[2] "%(value)s квадрильйонів"
+msgstr[3] "%(value)s квадрильйонів"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s квінтильйон"
+msgstr[1] "%(value)s квінтильйони"
+msgstr[2] "%(value)s квінтильйонів"
+msgstr[3] "%(value)s квінтильйонів"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s секстильйон"
+msgstr[1] "%(value)s секстильйони"
+msgstr[2] "%(value)s секстильйонів"
+msgstr[3] "%(value)s секстильйонів"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s септильйон"
+msgstr[1] "%(value)s септильйони"
+msgstr[2] "%(value)s септильйонів"
+msgstr[3] "%(value)s септильйонів"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s октильйон"
+msgstr[1] "%(value)s октильйони"
+msgstr[2] "%(value)s октильйонів"
+msgstr[3] "%(value)s октильйонів"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s нонільйон"
+msgstr[1] "%(value)s нонільйони"
+msgstr[2] "%(value)s нонільйонів"
+msgstr[3] "%(value)s нонільйонів"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s децильйон"
+msgstr[1] "%(value)s децильйони"
+msgstr[2] "%(value)s децильйонів"
+msgstr[3] "%(value)s децильйонів"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s гугол"
+msgstr[1] "%(value)s гуголи"
+msgstr[2] "%(value)s гуголів"
+msgstr[3] "%(value)s гуголів"
+
+msgid "one"
+msgstr "один"
+
+msgid "two"
+msgstr "два"
+
+msgid "three"
+msgstr "три"
+
+msgid "four"
+msgstr "чотири"
+
+msgid "five"
+msgstr "п'ять"
+
+msgid "six"
+msgstr "шість"
+
+msgid "seven"
+msgstr "сім"
+
+msgid "eight"
+msgstr "вісім"
+
+msgid "nine"
+msgstr "дев'ять"
+
+msgid "today"
+msgstr "сьогодні"
+
+msgid "tomorrow"
+msgstr "завтра"
+
+msgid "yesterday"
+msgstr "вчора"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s тому"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s годину тому"
+msgstr[1] "%(count)s години тому"
+msgstr[2] "%(count)s годин тому"
+msgstr[3] "%(count)s годин тому"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s хвилину тому"
+msgstr[1] "%(count)s хвилини тому"
+msgstr[2] "%(count)s хвилин тому"
+msgstr[3] "%(count)s хвилин тому"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s секунду тому"
+msgstr[1] "%(count)s секунди тому"
+msgstr[2] "%(count)s секунд тому"
+msgstr[3] "%(count)s секунд тому"
+
+msgid "now"
+msgstr "зараз"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s секунда від цього часу"
+msgstr[1] "%(count)s секунди від цього часу"
+msgstr[2] "%(count)s секунд від цього часу"
+msgstr[3] "%(count)s секунд від цього часу"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s хвилина від цього часу"
+msgstr[1] "%(count)s хвилини від цього часу"
+msgstr[2] "%(count)s хвилин від цього часу"
+msgstr[3] "%(count)s хвилин від цього часу"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s година від цього часу"
+msgstr[1] "%(count)s години від цього часу"
+msgstr[2] "%(count)s годин від цього часу"
+msgstr[3] "%(count)s годин від цього часу"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "через %(delta)s"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d рік"
+msgstr[1] "%(num)d роки"
+msgstr[2] "%(num)d років"
+msgstr[3] "%(num)d років"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d місяць"
+msgstr[1] "%(num)d місяці"
+msgstr[2] "%(num)d місяців"
+msgstr[3] "%(num)d місяців"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d тиждень"
+msgstr[1] "%(num)d тижні"
+msgstr[2] "%(num)d тижнів"
+msgstr[3] "%(num)d тижнів"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d день"
+msgstr[1] "%(num)d дні"
+msgstr[2] "%(num)d днів"
+msgstr[3] "%(num)d днів"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d година"
+msgstr[1] "%(num)d години"
+msgstr[2] "%(num)d годин"
+msgstr[3] "%(num)d годин"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d хвилина"
+msgstr[1] "%(num)d хвилини"
+msgstr[2] "%(num)d хвилин"
+msgstr[3] "%(num)d хвилин"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d рік"
+msgstr[1] "%(num)d роки"
+msgstr[2] "%(num)d років"
+msgstr[3] "%(num)d років"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d місяць"
+msgstr[1] "%(num)d місяці"
+msgstr[2] "%(num)d місяців"
+msgstr[3] "%(num)d місяців"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d тиждень"
+msgstr[1] "%(num)d тижні"
+msgstr[2] "%(num)d тижнів"
+msgstr[3] "%(num)d тижнів"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d день"
+msgstr[1] "%(num)d дні"
+msgstr[2] "%(num)d днів"
+msgstr[3] "%(num)d днів"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d година"
+msgstr[1] "%(num)d години"
+msgstr[2] "%(num)d годин"
+msgstr[3] "%(num)d годин"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d хвилина"
+msgstr[1] "%(num)d хвилини"
+msgstr[2] "%(num)d хвилин"
+msgstr[3] "%(num)d хвилин"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..078d2e9f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ur/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2e889dd3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,261 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Humanize"
+msgstr ""
+
+msgid "th"
+msgstr "واں"
+
+msgid "st"
+msgstr "پہلا"
+
+msgid "nd"
+msgstr "دوسرا"
+
+msgid "rd"
+msgstr "تیسرا"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f ملین"
+msgstr[1] "%(value).1f ملین"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f بلین"
+msgstr[1] "%(value).1f بلین"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f ٹریلین"
+msgstr[1] "%(value).1f ٹریلین"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "one"
+msgstr "ایک"
+
+msgid "two"
+msgstr "دو"
+
+msgid "three"
+msgstr "تین"
+
+msgid "four"
+msgstr "چار"
+
+msgid "five"
+msgstr "پانچ"
+
+msgid "six"
+msgstr "چھ"
+
+msgid "seven"
+msgstr "سات"
+
+msgid "eight"
+msgstr "آتھ"
+
+msgid "nine"
+msgstr "نو"
+
+msgid "today"
+msgstr "آج"
+
+msgid "tomorrow"
+msgstr "آئندہ کل"
+
+msgid "yesterday"
+msgstr "گزستہ کل"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr ""
+
+msgid "now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+msgstr[1] ""
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uz/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uz/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..179f6571
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uz/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uz/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uz/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b85d5b8f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/uz/LC_MESSAGES/django.po
@@ -0,0 +1,353 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# A'zam Mamatmurodov <azam.mamatmurodov@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-11-13 09:18+0000\n"
+"Last-Translator: A'zam Mamatmurodov <azam.mamatmurodov@gmail.com>\n"
+"Language-Team: Uzbek (http://www.transifex.com/django/django/language/uz/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uz\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr ""
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr ""
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr ""
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] ""
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] ""
+
+msgid "one"
+msgstr "bir"
+
+msgid "two"
+msgstr "ikki"
+
+msgid "three"
+msgstr "uch"
+
+msgid "four"
+msgstr "to'rt"
+
+msgid "five"
+msgstr "besh"
+
+msgid "six"
+msgstr "olti"
+
+msgid "seven"
+msgstr "yetti"
+
+msgid "eight"
+msgstr "sakkiz"
+
+msgid "nine"
+msgstr "to'qqiz"
+
+msgid "today"
+msgstr "o'n"
+
+msgid "tomorrow"
+msgstr "ertaga"
+
+msgid "yesterday"
+msgstr "kecha"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s oldin"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s soat oldin"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s daqiqa oldin"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s soniya oldin"
+
+msgid "now"
+msgstr "hozir"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] ""
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] ""
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr ""
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d yil"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d oy"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d hafta"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d kun"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d soat"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d daqiqa"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d yil"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d oy"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d hafta"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d kun"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d soat"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d daqiqa"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7c0b900c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/vi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4b7cd6e5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,235 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# xgenvn <xgenvn@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Tran Van <vantxm@yahoo.co.uk>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "Humanize"
+
+msgid "th"
+msgstr "th"
+
+msgid "st"
+msgstr "st"
+
+msgid "nd"
+msgstr "nd"
+
+msgid "rd"
+msgstr "rd"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f triệu"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s triệu"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f tỷ"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s tỷ"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f nghìn tỷ"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s nghìn tỷ"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f triệu tỷ"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s triệu tỷ"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f tỷ tỷ"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s tỷ tỷ"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f nghìn tỷ tỷ"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s nghỉn tỷ tỷ"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f triệu tỷ tỷ"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s triệu tỷ tỷ"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f tỷ tỷ tỷ"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s tỷ tỷ tỷ"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f nghìn tỷ tỷ tỷ"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s nghỉn tỷ tỷ tỷ"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f triệu tỷ tỷ tỷ"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s triệu tỷ tỷ tỷ"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f tỷ tỷ tỷ tỷ"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s tỷ tỷ tỷ tỷ"
+
+msgid "one"
+msgstr "Một"
+
+msgid "two"
+msgstr "Hai"
+
+msgid "three"
+msgstr "Ba"
+
+msgid "four"
+msgstr "Bốn"
+
+msgid "five"
+msgstr "Năm"
+
+msgid "six"
+msgstr "Sáu"
+
+msgid "seven"
+msgstr "Bảy"
+
+msgid "eight"
+msgstr "Tám"
+
+msgid "nine"
+msgstr "Chín"
+
+msgid "today"
+msgstr "Hôm nay"
+
+msgid "tomorrow"
+msgstr "Ngày mai"
+
+msgid "yesterday"
+msgstr "Hôm qua"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s ago"
+msgstr "cách đây %(delta)s"
+
+msgid "now"
+msgstr "vừa mới đây"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s giây trước"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s phút trước"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s giờ trước"
+
+#, python-format
+msgctxt "naturaltime"
+msgid "%(delta)s from now"
+msgstr "%(delta)s sau"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s giây sau"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s phút sau"
+
+#. Translators: please keep a non-breaking space (U+00A0)
+#. between count and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s giờ sau"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e0e6617e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hans/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..abbb1b0a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,308 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# lanbla <lanlinwen@buaa.edu.cn>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jenny Qian <jqian@tendenci.com>, 2018
+# Lele Long <schemacs@gmail.com>, 2015
+# Ronald White <tkliuxing@me.com>, 2014
+# Suntravel Chris <chrisfromcn@gmail.com>, 2019
+# wang zhao <672565116@qq.com>, 2018
+# Xiang Yu <bupt.aswmtjdsj@gmail.com>, 2014
+# ced773123cfad7b4e8b79ca80f736af9, 2011
+# Kevin Sze <leiarix@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-04-07 14:40+0200\n"
+"PO-Revision-Date: 2021-11-22 03:16+0000\n"
+"Last-Translator: lanbla <lanlinwen@buaa.edu.cn>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "人性化"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "第{}"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s 百万"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s 十亿"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s 万亿"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s 1000的5次方"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s 1000的4次方"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s 1000的7次方"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s 1000的8次方"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s 1000的9次方"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s 1000的10次方"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s 1000的11次方"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s 10的100次方"
+
+msgid "one"
+msgstr "一"
+
+msgid "two"
+msgstr "二"
+
+msgid "three"
+msgstr "三"
+
+msgid "four"
+msgstr "四"
+
+msgid "five"
+msgstr "五"
+
+msgid "six"
+msgstr "六"
+
+msgid "seven"
+msgstr "七"
+
+msgid "eight"
+msgstr "八"
+
+msgid "nine"
+msgstr "九"
+
+msgid "today"
+msgstr "今天"
+
+msgid "tomorrow"
+msgstr "明天"
+
+msgid "yesterday"
+msgstr "昨天"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s小时之前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s分钟之前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s秒之前"
+
+msgid "now"
+msgstr "现在"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s秒以后"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s分钟以后"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s小时以后"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s之后"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d 年"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d 月"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d 周"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d 日"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d 小时"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d 分钟"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d year"
+msgid_plural "%(num)d years"
+msgstr[0] "%(num)d 年"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d month"
+msgid_plural "%(num)d months"
+msgstr[0] "%(num)d 月"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d week"
+msgid_plural "%(num)d weeks"
+msgstr[0] "%(num)d 周"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d day"
+msgid_plural "%(num)d days"
+msgstr[0] "%(num)d 日"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d hour"
+msgid_plural "%(num)d hours"
+msgstr[0] "%(num)d 小时"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%(num)d minute"
+msgid_plural "%(num)d minutes"
+msgstr[0] "%(num)d 分钟"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2be75b5f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0944649a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,358 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# tcc <tcchou@tcchou.org>, 2011
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016,2019
+# Yeh-Yung <yyc1217@gmail.com>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-01-16 20:42+0100\n"
+"PO-Revision-Date: 2019-09-18 09:08+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Humanize"
+msgstr "人性化"
+
+#. Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+msgctxt "ordinal 11, 12, 13"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 0, e.g. 80th.
+msgctxt "ordinal 0"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+msgctxt "ordinal 1"
+msgid "{}st"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+msgctxt "ordinal 2"
+msgid "{}nd"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 3, e.g. 83th, except 13.
+msgctxt "ordinal 3"
+msgid "{}rd"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 4, e.g. 84th.
+msgctxt "ordinal 4"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 5, e.g. 85th.
+msgctxt "ordinal 5"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 6, e.g. 86th.
+msgctxt "ordinal 6"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 7, e.g. 87th.
+msgctxt "ordinal 7"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 8, e.g. 88th.
+msgctxt "ordinal 8"
+msgid "{}th"
+msgstr "第{}"
+
+#. Translators: Ordinal format when value ends with 9, e.g. 89th.
+msgctxt "ordinal 9"
+msgid "{}th"
+msgstr "第{}"
+
+#, python-format
+msgid "%(value).1f million"
+msgid_plural "%(value).1f million"
+msgstr[0] "%(value).1f 百萬"
+
+#, python-format
+msgid "%(value)s million"
+msgid_plural "%(value)s million"
+msgstr[0] "%(value)s 百萬"
+
+#, python-format
+msgid "%(value).1f billion"
+msgid_plural "%(value).1f billion"
+msgstr[0] "%(value).1f 十億"
+
+#, python-format
+msgid "%(value)s billion"
+msgid_plural "%(value)s billion"
+msgstr[0] "%(value)s 十億"
+
+#, python-format
+msgid "%(value).1f trillion"
+msgid_plural "%(value).1f trillion"
+msgstr[0] "%(value).1f 兆"
+
+#, python-format
+msgid "%(value)s trillion"
+msgid_plural "%(value)s trillion"
+msgstr[0] "%(value)s 兆"
+
+#, python-format
+msgid "%(value).1f quadrillion"
+msgid_plural "%(value).1f quadrillion"
+msgstr[0] "%(value).1f 千兆"
+
+#, python-format
+msgid "%(value)s quadrillion"
+msgid_plural "%(value)s quadrillion"
+msgstr[0] "%(value)s 千兆"
+
+#, python-format
+msgid "%(value).1f quintillion"
+msgid_plural "%(value).1f quintillion"
+msgstr[0] "%(value).1f 百京"
+
+#, python-format
+msgid "%(value)s quintillion"
+msgid_plural "%(value)s quintillion"
+msgstr[0] "%(value)s 百京"
+
+#, python-format
+msgid "%(value).1f sextillion"
+msgid_plural "%(value).1f sextillion"
+msgstr[0] "%(value).1f 十垓"
+
+#, python-format
+msgid "%(value)s sextillion"
+msgid_plural "%(value)s sextillion"
+msgstr[0] "%(value)s 十垓"
+
+#, python-format
+msgid "%(value).1f septillion"
+msgid_plural "%(value).1f septillion"
+msgstr[0] "%(value).1f 秭"
+
+#, python-format
+msgid "%(value)s septillion"
+msgid_plural "%(value)s septillion"
+msgstr[0] "%(value)s 秭"
+
+#, python-format
+msgid "%(value).1f octillion"
+msgid_plural "%(value).1f octillion"
+msgstr[0] "%(value).1f 千秭"
+
+#, python-format
+msgid "%(value)s octillion"
+msgid_plural "%(value)s octillion"
+msgstr[0] "%(value)s 千秭"
+
+#, python-format
+msgid "%(value).1f nonillion"
+msgid_plural "%(value).1f nonillion"
+msgstr[0] "%(value).1f 百穰"
+
+#, python-format
+msgid "%(value)s nonillion"
+msgid_plural "%(value)s nonillion"
+msgstr[0] "%(value)s 百穰"
+
+#, python-format
+msgid "%(value).1f decillion"
+msgid_plural "%(value).1f decillion"
+msgstr[0] "%(value).1f 十溝"
+
+#, python-format
+msgid "%(value)s decillion"
+msgid_plural "%(value)s decillion"
+msgstr[0] "%(value)s 十溝"
+
+#, python-format
+msgid "%(value).1f googol"
+msgid_plural "%(value).1f googol"
+msgstr[0] "%(value).1f 穰大數"
+
+#, python-format
+msgid "%(value)s googol"
+msgid_plural "%(value)s googol"
+msgstr[0] "%(value)s 穰大數"
+
+msgid "one"
+msgstr "一"
+
+msgid "two"
+msgstr "二"
+
+msgid "three"
+msgstr "三"
+
+msgid "four"
+msgstr "四"
+
+msgid "five"
+msgstr "五"
+
+msgid "six"
+msgstr "六"
+
+msgid "seven"
+msgstr "七"
+
+msgid "eight"
+msgstr "八"
+
+msgid "nine"
+msgstr "九"
+
+msgid "today"
+msgstr "今天"
+
+msgid "tomorrow"
+msgstr "明天"
+
+msgid "yesterday"
+msgstr "昨天"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s ago"
+msgstr "%(delta)s前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour ago"
+msgid_plural "%(count)s hours ago"
+msgstr[0] "%(count)s 小時前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute ago"
+msgid_plural "%(count)s minutes ago"
+msgstr[0] "%(count)s 分鐘前"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second ago"
+msgid_plural "%(count)s seconds ago"
+msgstr[0] "%(count)s 秒前"
+
+msgid "now"
+msgstr "現在"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a second from now"
+msgid_plural "%(count)s seconds from now"
+msgstr[0] "%(count)s 秒後"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "a minute from now"
+msgid_plural "%(count)s minutes from now"
+msgstr[0] "%(count)s 分鐘後"
+
+#. Translators: please keep a non-breaking space (U+00A0) between count
+#. and time unit.
+#, python-format
+msgid "an hour from now"
+msgid_plural "%(count)s hours from now"
+msgstr[0] "%(count)s 小時後"
+
+#. Translators: delta will contain a string like '2 months' or '1 month, 2
+#. weeks'
+#, python-format
+msgid "%(delta)s from now"
+msgstr "%(delta)s後"
+
+#. Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d 年"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d 個月"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d 週"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d 天"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d 小時"
+
+#, python-format
+msgctxt "naturaltime-past"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d 分"
+
+#. Translators: 'naturaltime-future' strings will be included in '%(delta)s
+#. from now'
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d year"
+msgid_plural "%d years"
+msgstr[0] "%d 年"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d month"
+msgid_plural "%d months"
+msgstr[0] "%d 個月"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d week"
+msgid_plural "%d weeks"
+msgstr[0] "%d 週"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d day"
+msgid_plural "%d days"
+msgstr[0] "%d 天"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d hour"
+msgid_plural "%d hours"
+msgstr[0] "%d 小時"
+
+#, python-format
+msgctxt "naturaltime-future"
+msgid "%d minute"
+msgid_plural "%d minutes"
+msgstr[0] "%d 分"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/__init__.py
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index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/__pycache__/humanize.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/__pycache__/humanize.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/humanize.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/humanize.py
new file mode 100644
index 00000000..19000c18
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/humanize/templatetags/humanize.py
@@ -0,0 +1,325 @@
+import re
+from datetime import date, datetime, timezone
+from decimal import Decimal
+
+from django import template
+from django.template import defaultfilters
+from django.utils.formats import number_format
+from django.utils.safestring import mark_safe
+from django.utils.timezone import is_aware
+from django.utils.translation import gettext as _
+from django.utils.translation import (
+    gettext_lazy,
+    ngettext,
+    ngettext_lazy,
+    npgettext_lazy,
+    pgettext,
+    round_away_from_one,
+)
+
+register = template.Library()
+
+
+@register.filter(is_safe=True)
+def ordinal(value):
+    """
+    Convert an integer to its ordinal as a string. 1 is '1st', 2 is '2nd',
+    3 is '3rd', etc. Works for any integer.
+    """
+    try:
+        value = int(value)
+    except (TypeError, ValueError):
+        return value
+    if value % 100 in (11, 12, 13):
+        # Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
+        value = pgettext("ordinal 11, 12, 13", "{}th").format(value)
+    else:
+        templates = (
+            # Translators: Ordinal format when value ends with 0, e.g. 80th.
+            pgettext("ordinal 0", "{}th"),
+            # Translators: Ordinal format when value ends with 1, e.g. 81st, except 11.
+            pgettext("ordinal 1", "{}st"),
+            # Translators: Ordinal format when value ends with 2, e.g. 82nd, except 12.
+            pgettext("ordinal 2", "{}nd"),
+            # Translators: Ordinal format when value ends with 3, e.g. 83rd, except 13.
+            pgettext("ordinal 3", "{}rd"),
+            # Translators: Ordinal format when value ends with 4, e.g. 84th.
+            pgettext("ordinal 4", "{}th"),
+            # Translators: Ordinal format when value ends with 5, e.g. 85th.
+            pgettext("ordinal 5", "{}th"),
+            # Translators: Ordinal format when value ends with 6, e.g. 86th.
+            pgettext("ordinal 6", "{}th"),
+            # Translators: Ordinal format when value ends with 7, e.g. 87th.
+            pgettext("ordinal 7", "{}th"),
+            # Translators: Ordinal format when value ends with 8, e.g. 88th.
+            pgettext("ordinal 8", "{}th"),
+            # Translators: Ordinal format when value ends with 9, e.g. 89th.
+            pgettext("ordinal 9", "{}th"),
+        )
+        value = templates[value % 10].format(value)
+    # Mark value safe so i18n does not break with <sup> or <sub> see #19988
+    return mark_safe(value)
+
+
+@register.filter(is_safe=True)
+def intcomma(value, use_l10n=True):
+    """
+    Convert an integer to a string containing commas every three digits.
+    For example, 3000 becomes '3,000' and 45000 becomes '45,000'.
+    """
+    if use_l10n:
+        try:
+            if not isinstance(value, (float, Decimal)):
+                value = int(value)
+        except (TypeError, ValueError):
+            return intcomma(value, False)
+        else:
+            return number_format(value, use_l10n=True, force_grouping=True)
+    result = str(value)
+    match = re.match(r"-?\d+", result)
+    if match:
+        prefix = match[0]
+        prefix_with_commas = re.sub(r"\d{3}", r"\g<0>,", prefix[::-1])[::-1]
+        # Remove a leading comma, if needed.
+        prefix_with_commas = re.sub(r"^(-?),", r"\1", prefix_with_commas)
+        result = prefix_with_commas + result[len(prefix) :]
+    return result
+
+
+# A tuple of standard large number to their converters
+intword_converters = (
+    (6, lambda number: ngettext("%(value)s million", "%(value)s million", number)),
+    (9, lambda number: ngettext("%(value)s billion", "%(value)s billion", number)),
+    (12, lambda number: ngettext("%(value)s trillion", "%(value)s trillion", number)),
+    (
+        15,
+        lambda number: ngettext(
+            "%(value)s quadrillion", "%(value)s quadrillion", number
+        ),
+    ),
+    (
+        18,
+        lambda number: ngettext(
+            "%(value)s quintillion", "%(value)s quintillion", number
+        ),
+    ),
+    (
+        21,
+        lambda number: ngettext("%(value)s sextillion", "%(value)s sextillion", number),
+    ),
+    (
+        24,
+        lambda number: ngettext("%(value)s septillion", "%(value)s septillion", number),
+    ),
+    (27, lambda number: ngettext("%(value)s octillion", "%(value)s octillion", number)),
+    (30, lambda number: ngettext("%(value)s nonillion", "%(value)s nonillion", number)),
+    (33, lambda number: ngettext("%(value)s decillion", "%(value)s decillion", number)),
+    (100, lambda number: ngettext("%(value)s googol", "%(value)s googol", number)),
+)
+
+
+@register.filter(is_safe=False)
+def intword(value):
+    """
+    Convert a large integer to a friendly text representation. Works best
+    for numbers over 1 million. For example, 1000000 becomes '1.0 million',
+    1200000 becomes '1.2 million' and '1200000000' becomes '1.2 billion'.
+    """
+    try:
+        value = int(value)
+    except (TypeError, ValueError):
+        return value
+
+    abs_value = abs(value)
+    if abs_value < 1000000:
+        return value
+
+    for exponent, converter in intword_converters:
+        large_number = 10**exponent
+        if abs_value < large_number * 1000:
+            new_value = value / large_number
+            rounded_value = round_away_from_one(new_value)
+            return converter(abs(rounded_value)) % {
+                "value": defaultfilters.floatformat(new_value, 1),
+            }
+    return value
+
+
+@register.filter(is_safe=True)
+def apnumber(value):
+    """
+    For numbers 1-9, return the number spelled out. Otherwise, return the
+    number. This follows Associated Press style.
+    """
+    try:
+        value = int(value)
+    except (TypeError, ValueError):
+        return value
+    if not 0 < value < 10:
+        return value
+    return (
+        _("one"),
+        _("two"),
+        _("three"),
+        _("four"),
+        _("five"),
+        _("six"),
+        _("seven"),
+        _("eight"),
+        _("nine"),
+    )[value - 1]
+
+
+# Perform the comparison in the default time zone when USE_TZ = True
+# (unless a specific time zone has been applied with the |timezone filter).
+@register.filter(expects_localtime=True)
+def naturalday(value, arg=None):
+    """
+    For date values that are tomorrow, today or yesterday compared to
+    present day return representing string. Otherwise, return a string
+    formatted according to settings.DATE_FORMAT.
+    """
+    tzinfo = getattr(value, "tzinfo", None)
+    try:
+        value = date(value.year, value.month, value.day)
+    except AttributeError:
+        # Passed value wasn't a date object
+        return value
+    today = datetime.now(tzinfo).date()
+    delta = value - today
+    if delta.days == 0:
+        return _("today")
+    elif delta.days == 1:
+        return _("tomorrow")
+    elif delta.days == -1:
+        return _("yesterday")
+    return defaultfilters.date(value, arg)
+
+
+# This filter doesn't require expects_localtime=True because it deals properly
+# with both naive and aware datetimes. Therefore avoid the cost of conversion.
+@register.filter
+def naturaltime(value):
+    """
+    For date and time values show how many seconds, minutes, or hours ago
+    compared to current timestamp return representing string.
+    """
+    return NaturalTimeFormatter.string_for(value)
+
+
+class NaturalTimeFormatter:
+    time_strings = {
+        # Translators: delta will contain a string like '2 months' or '1 month, 2 weeks'
+        "past-day": gettext_lazy("%(delta)s ago"),
+        # Translators: please keep a non-breaking space (U+00A0) between count
+        # and time unit.
+        "past-hour": ngettext_lazy("an hour ago", "%(count)s hours ago", "count"),
+        # Translators: please keep a non-breaking space (U+00A0) between count
+        # and time unit.
+        "past-minute": ngettext_lazy("a minute ago", "%(count)s minutes ago", "count"),
+        # Translators: please keep a non-breaking space (U+00A0) between count
+        # and time unit.
+        "past-second": ngettext_lazy("a second ago", "%(count)s seconds ago", "count"),
+        "now": gettext_lazy("now"),
+        # Translators: please keep a non-breaking space (U+00A0) between count
+        # and time unit.
+        "future-second": ngettext_lazy(
+            "a second from now", "%(count)s seconds from now", "count"
+        ),
+        # Translators: please keep a non-breaking space (U+00A0) between count
+        # and time unit.
+        "future-minute": ngettext_lazy(
+            "a minute from now", "%(count)s minutes from now", "count"
+        ),
+        # Translators: please keep a non-breaking space (U+00A0) between count
+        # and time unit.
+        "future-hour": ngettext_lazy(
+            "an hour from now", "%(count)s hours from now", "count"
+        ),
+        # Translators: delta will contain a string like '2 months' or '1 month, 2 weeks'
+        "future-day": gettext_lazy("%(delta)s from now"),
+    }
+    past_substrings = {
+        # Translators: 'naturaltime-past' strings will be included in '%(delta)s ago'
+        "year": npgettext_lazy(
+            "naturaltime-past", "%(num)d year", "%(num)d years", "num"
+        ),
+        "month": npgettext_lazy(
+            "naturaltime-past", "%(num)d month", "%(num)d months", "num"
+        ),
+        "week": npgettext_lazy(
+            "naturaltime-past", "%(num)d week", "%(num)d weeks", "num"
+        ),
+        "day": npgettext_lazy("naturaltime-past", "%(num)d day", "%(num)d days", "num"),
+        "hour": npgettext_lazy(
+            "naturaltime-past", "%(num)d hour", "%(num)d hours", "num"
+        ),
+        "minute": npgettext_lazy(
+            "naturaltime-past", "%(num)d minute", "%(num)d minutes", "num"
+        ),
+    }
+    future_substrings = {
+        # Translators: 'naturaltime-future' strings will be included in
+        # '%(delta)s from now'.
+        "year": npgettext_lazy(
+            "naturaltime-future", "%(num)d year", "%(num)d years", "num"
+        ),
+        "month": npgettext_lazy(
+            "naturaltime-future", "%(num)d month", "%(num)d months", "num"
+        ),
+        "week": npgettext_lazy(
+            "naturaltime-future", "%(num)d week", "%(num)d weeks", "num"
+        ),
+        "day": npgettext_lazy(
+            "naturaltime-future", "%(num)d day", "%(num)d days", "num"
+        ),
+        "hour": npgettext_lazy(
+            "naturaltime-future", "%(num)d hour", "%(num)d hours", "num"
+        ),
+        "minute": npgettext_lazy(
+            "naturaltime-future", "%(num)d minute", "%(num)d minutes", "num"
+        ),
+    }
+
+    @classmethod
+    def string_for(cls, value):
+        if not isinstance(value, date):  # datetime is a subclass of date
+            return value
+
+        now = datetime.now(timezone.utc if is_aware(value) else None)
+        if value < now:
+            delta = now - value
+            if delta.days != 0:
+                return cls.time_strings["past-day"] % {
+                    "delta": defaultfilters.timesince(
+                        value, now, time_strings=cls.past_substrings
+                    ),
+                }
+            elif delta.seconds == 0:
+                return cls.time_strings["now"]
+            elif delta.seconds < 60:
+                return cls.time_strings["past-second"] % {"count": delta.seconds}
+            elif delta.seconds // 60 < 60:
+                count = delta.seconds // 60
+                return cls.time_strings["past-minute"] % {"count": count}
+            else:
+                count = delta.seconds // 60 // 60
+                return cls.time_strings["past-hour"] % {"count": count}
+        else:
+            delta = value - now
+            if delta.days != 0:
+                return cls.time_strings["future-day"] % {
+                    "delta": defaultfilters.timeuntil(
+                        value, now, time_strings=cls.future_substrings
+                    ),
+                }
+            elif delta.seconds == 0:
+                return cls.time_strings["now"]
+            elif delta.seconds < 60:
+                return cls.time_strings["future-second"] % {"count": delta.seconds}
+            elif delta.seconds // 60 < 60:
+                count = delta.seconds // 60
+                return cls.time_strings["future-minute"] % {"count": count}
+            else:
+                count = delta.seconds // 60 // 60
+                return cls.time_strings["future-hour"] % {"count": count}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/__init__.py
new file mode 100644
index 00000000..3b62e0ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/__init__.py
@@ -0,0 +1,3 @@
+from django.contrib.messages.api import *  # NOQA
+from django.contrib.messages.constants import *  # NOQA
+from django.contrib.messages.storage.base import Message  # NOQA
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/__pycache__/views.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/__pycache__/views.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/api.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/api.py
new file mode 100644
index 00000000..7a67e8b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/api.py
@@ -0,0 +1,127 @@
+from django.contrib.messages import constants
+from django.contrib.messages.storage import default_storage
+
+__all__ = (
+    "add_message",
+    "get_messages",
+    "get_level",
+    "set_level",
+    "debug",
+    "info",
+    "success",
+    "warning",
+    "error",
+    "MessageFailure",
+)
+
+
+class MessageFailure(Exception):
+    pass
+
+
+def add_message(request, level, message, extra_tags="", fail_silently=False):
+    """
+    Attempt to add a message to the request using the 'messages' app.
+    """
+    try:
+        messages = request._messages
+    except AttributeError:
+        if not hasattr(request, "META"):
+            raise TypeError(
+                "add_message() argument must be an HttpRequest object, not "
+                "'%s'." % request.__class__.__name__
+            )
+        if not fail_silently:
+            raise MessageFailure(
+                "You cannot add messages without installing "
+                "django.contrib.messages.middleware.MessageMiddleware"
+            )
+    else:
+        return messages.add(level, message, extra_tags)
+
+
+def get_messages(request):
+    """
+    Return the message storage on the request if it exists, otherwise return
+    an empty list.
+    """
+    return getattr(request, "_messages", [])
+
+
+def get_level(request):
+    """
+    Return the minimum level of messages to be recorded.
+
+    The default level is the ``MESSAGE_LEVEL`` setting. If this is not found,
+    use the ``INFO`` level.
+    """
+    storage = getattr(request, "_messages", default_storage(request))
+    return storage.level
+
+
+def set_level(request, level):
+    """
+    Set the minimum level of messages to be recorded, and return ``True`` if
+    the level was recorded successfully.
+
+    If set to ``None``, use the default level (see the get_level() function).
+    """
+    if not hasattr(request, "_messages"):
+        return False
+    request._messages.level = level
+    return True
+
+
+def debug(request, message, extra_tags="", fail_silently=False):
+    """Add a message with the ``DEBUG`` level."""
+    add_message(
+        request,
+        constants.DEBUG,
+        message,
+        extra_tags=extra_tags,
+        fail_silently=fail_silently,
+    )
+
+
+def info(request, message, extra_tags="", fail_silently=False):
+    """Add a message with the ``INFO`` level."""
+    add_message(
+        request,
+        constants.INFO,
+        message,
+        extra_tags=extra_tags,
+        fail_silently=fail_silently,
+    )
+
+
+def success(request, message, extra_tags="", fail_silently=False):
+    """Add a message with the ``SUCCESS`` level."""
+    add_message(
+        request,
+        constants.SUCCESS,
+        message,
+        extra_tags=extra_tags,
+        fail_silently=fail_silently,
+    )
+
+
+def warning(request, message, extra_tags="", fail_silently=False):
+    """Add a message with the ``WARNING`` level."""
+    add_message(
+        request,
+        constants.WARNING,
+        message,
+        extra_tags=extra_tags,
+        fail_silently=fail_silently,
+    )
+
+
+def error(request, message, extra_tags="", fail_silently=False):
+    """Add a message with the ``ERROR`` level."""
+    add_message(
+        request,
+        constants.ERROR,
+        message,
+        extra_tags=extra_tags,
+        fail_silently=fail_silently,
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/apps.py
new file mode 100644
index 00000000..5bda152a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/apps.py
@@ -0,0 +1,19 @@
+from django.apps import AppConfig
+from django.contrib.messages.storage import base
+from django.contrib.messages.utils import get_level_tags
+from django.core.signals import setting_changed
+from django.utils.functional import SimpleLazyObject
+from django.utils.translation import gettext_lazy as _
+
+
+def update_level_tags(setting, **kwargs):
+    if setting == "MESSAGE_TAGS":
+        base.LEVEL_TAGS = SimpleLazyObject(get_level_tags)
+
+
+class MessagesConfig(AppConfig):
+    name = "django.contrib.messages"
+    verbose_name = _("Messages")
+
+    def ready(self):
+        setting_changed.connect(update_level_tags)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/constants.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/constants.py
new file mode 100644
index 00000000..92c92422
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/constants.py
@@ -0,0 +1,21 @@
+DEBUG = 10
+INFO = 20
+SUCCESS = 25
+WARNING = 30
+ERROR = 40
+
+DEFAULT_TAGS = {
+    DEBUG: "debug",
+    INFO: "info",
+    SUCCESS: "success",
+    WARNING: "warning",
+    ERROR: "error",
+}
+
+DEFAULT_LEVELS = {
+    "DEBUG": DEBUG,
+    "INFO": INFO,
+    "SUCCESS": SUCCESS,
+    "WARNING": WARNING,
+    "ERROR": ERROR,
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/context_processors.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/context_processors.py
new file mode 100644
index 00000000..e01cc316
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/context_processors.py
@@ -0,0 +1,13 @@
+from django.contrib.messages.api import get_messages
+from django.contrib.messages.constants import DEFAULT_LEVELS
+
+
+def messages(request):
+    """
+    Return a lazy 'messages' context variable as well as
+    'DEFAULT_MESSAGE_LEVELS'.
+    """
+    return {
+        "messages": get_messages(request),
+        "DEFAULT_MESSAGE_LEVELS": DEFAULT_LEVELS,
+    }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/middleware.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/middleware.py
new file mode 100644
index 00000000..00870318
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/middleware.py
@@ -0,0 +1,26 @@
+from django.conf import settings
+from django.contrib.messages.storage import default_storage
+from django.utils.deprecation import MiddlewareMixin
+
+
+class MessageMiddleware(MiddlewareMixin):
+    """
+    Middleware that handles temporary messages.
+    """
+
+    def process_request(self, request):
+        request._messages = default_storage(request)
+
+    def process_response(self, request, response):
+        """
+        Update the storage backend (i.e., save the messages).
+
+        Raise ValueError if not all messages could be stored and DEBUG is True.
+        """
+        # A higher middleware layer may return a request which does not contain
+        # messages storage, so make no assumption that it will be there.
+        if hasattr(request, "_messages"):
+            unstored_messages = request._messages.update(response)
+            if unstored_messages and settings.DEBUG:
+                raise ValueError("Not all temporary messages could be stored.")
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/__init__.py
new file mode 100644
index 00000000..373dbbaa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/__init__.py
@@ -0,0 +1,12 @@
+from django.conf import settings
+from django.utils.module_loading import import_string
+
+
+def default_storage(request):
+    """
+    Callable with the same interface as the storage classes.
+
+    This isn't just default_storage = import_string(settings.MESSAGE_STORAGE)
+    to avoid accessing the settings at the module level.
+    """
+    return import_string(settings.MESSAGE_STORAGE)(request)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/base.py
new file mode 100644
index 00000000..5d89acfe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/base.py
@@ -0,0 +1,183 @@
+from django.conf import settings
+from django.contrib.messages import constants, utils
+from django.utils.functional import SimpleLazyObject
+
+LEVEL_TAGS = SimpleLazyObject(utils.get_level_tags)
+
+
+class Message:
+    """
+    Represent an actual message that can be stored in any of the supported
+    storage classes (typically session- or cookie-based) and rendered in a view
+    or template.
+    """
+
+    def __init__(self, level, message, extra_tags=None):
+        self.level = int(level)
+        self.message = message
+        self.extra_tags = extra_tags
+
+    def _prepare(self):
+        """
+        Prepare the message for serialization by forcing the ``message``
+        and ``extra_tags`` to str in case they are lazy translations.
+        """
+        self.message = str(self.message)
+        self.extra_tags = str(self.extra_tags) if self.extra_tags is not None else None
+
+    def __eq__(self, other):
+        if not isinstance(other, Message):
+            return NotImplemented
+        return self.level == other.level and self.message == other.message
+
+    def __str__(self):
+        return str(self.message)
+
+    def __repr__(self):
+        extra_tags = f", extra_tags={self.extra_tags!r}" if self.extra_tags else ""
+        return f"Message(level={self.level}, message={self.message!r}{extra_tags})"
+
+    @property
+    def tags(self):
+        return " ".join(tag for tag in [self.extra_tags, self.level_tag] if tag)
+
+    @property
+    def level_tag(self):
+        return LEVEL_TAGS.get(self.level, "")
+
+
+class BaseStorage:
+    """
+    This is the base backend for temporary message storage.
+
+    This is not a complete class; to be a usable storage backend, it must be
+    subclassed and the two methods ``_get`` and ``_store`` overridden.
+    """
+
+    def __init__(self, request, *args, **kwargs):
+        self.request = request
+        self._queued_messages = []
+        self.used = False
+        self.added_new = False
+        super().__init__(*args, **kwargs)
+
+    def __len__(self):
+        return len(self._loaded_messages) + len(self._queued_messages)
+
+    def __iter__(self):
+        self.used = True
+        if self._queued_messages:
+            self._loaded_messages.extend(self._queued_messages)
+            self._queued_messages = []
+        return iter(self._loaded_messages)
+
+    def __contains__(self, item):
+        return item in self._loaded_messages or item in self._queued_messages
+
+    def __repr__(self):
+        return f"<{self.__class__.__qualname__}: request={self.request!r}>"
+
+    @property
+    def _loaded_messages(self):
+        """
+        Return a list of loaded messages, retrieving them first if they have
+        not been loaded yet.
+        """
+        if not hasattr(self, "_loaded_data"):
+            messages, all_retrieved = self._get()
+            self._loaded_data = messages or []
+        return self._loaded_data
+
+    def _get(self, *args, **kwargs):
+        """
+        Retrieve a list of stored messages. Return a tuple of the messages
+        and a flag indicating whether or not all the messages originally
+        intended to be stored in this storage were, in fact, stored and
+        retrieved; e.g., ``(messages, all_retrieved)``.
+
+        **This method must be implemented by a subclass.**
+
+        If it is possible to tell if the backend was not used (as opposed to
+        just containing no messages) then ``None`` should be returned in
+        place of ``messages``.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseStorage must provide a _get() method"
+        )
+
+    def _store(self, messages, response, *args, **kwargs):
+        """
+        Store a list of messages and return a list of any messages which could
+        not be stored.
+
+        One type of object must be able to be stored, ``Message``.
+
+        **This method must be implemented by a subclass.**
+        """
+        raise NotImplementedError(
+            "subclasses of BaseStorage must provide a _store() method"
+        )
+
+    def _prepare_messages(self, messages):
+        """
+        Prepare a list of messages for storage.
+        """
+        for message in messages:
+            message._prepare()
+
+    def update(self, response):
+        """
+        Store all unread messages.
+
+        If the backend has yet to be iterated, store previously stored messages
+        again. Otherwise, only store messages added after the last iteration.
+        """
+        self._prepare_messages(self._queued_messages)
+        if self.used:
+            return self._store(self._queued_messages, response)
+        elif self.added_new:
+            messages = self._loaded_messages + self._queued_messages
+            return self._store(messages, response)
+
+    def add(self, level, message, extra_tags=""):
+        """
+        Queue a message to be stored.
+
+        The message is only queued if it contained something and its level is
+        not less than the recording level (``self.level``).
+        """
+        if not message:
+            return
+        # Check that the message level is not less than the recording level.
+        level = int(level)
+        if level < self.level:
+            return
+        # Add the message.
+        self.added_new = True
+        message = Message(level, message, extra_tags=extra_tags)
+        self._queued_messages.append(message)
+
+    def _get_level(self):
+        """
+        Return the minimum recorded level.
+
+        The default level is the ``MESSAGE_LEVEL`` setting. If this is
+        not found, the ``INFO`` level is used.
+        """
+        if not hasattr(self, "_level"):
+            self._level = getattr(settings, "MESSAGE_LEVEL", constants.INFO)
+        return self._level
+
+    def _set_level(self, value=None):
+        """
+        Set a custom minimum recorded level.
+
+        If set to ``None``, the default level will be used (see the
+        ``_get_level`` method).
+        """
+        if value is None and hasattr(self, "_level"):
+            del self._level
+        else:
+            self._level = int(value)
+
+    level = property(_get_level, _set_level, _set_level)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/cookie.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/cookie.py
new file mode 100644
index 00000000..2008b318
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/cookie.py
@@ -0,0 +1,248 @@
+import binascii
+import json
+
+from django.conf import settings
+from django.contrib.messages.storage.base import BaseStorage, Message
+from django.core import signing
+from django.http import SimpleCookie
+from django.utils.safestring import SafeData, mark_safe
+
+
+class MessageEncoder(json.JSONEncoder):
+    """
+    Compactly serialize instances of the ``Message`` class as JSON.
+    """
+
+    message_key = "__json_message"
+
+    def default(self, obj):
+        if isinstance(obj, Message):
+            # Using 0/1 here instead of False/True to produce more compact json
+            is_safedata = 1 if isinstance(obj.message, SafeData) else 0
+            message = [self.message_key, is_safedata, obj.level, obj.message]
+            if obj.extra_tags is not None:
+                message.append(obj.extra_tags)
+            return message
+        return super().default(obj)
+
+
+class MessageDecoder(json.JSONDecoder):
+    """
+    Decode JSON that includes serialized ``Message`` instances.
+    """
+
+    def process_messages(self, obj):
+        if isinstance(obj, list) and obj:
+            if obj[0] == MessageEncoder.message_key:
+                if obj[1]:
+                    obj[3] = mark_safe(obj[3])
+                return Message(*obj[2:])
+            return [self.process_messages(item) for item in obj]
+        if isinstance(obj, dict):
+            return {key: self.process_messages(value) for key, value in obj.items()}
+        return obj
+
+    def decode(self, s, **kwargs):
+        decoded = super().decode(s, **kwargs)
+        return self.process_messages(decoded)
+
+
+class MessagePartSerializer:
+    def dumps(self, obj):
+        return [
+            json.dumps(
+                o,
+                separators=(",", ":"),
+                cls=MessageEncoder,
+            )
+            for o in obj
+        ]
+
+
+class MessagePartGatherSerializer:
+    def dumps(self, obj):
+        """
+        The parameter is an already serialized list of Message objects. No need
+        to serialize it again, only join the list together and encode it.
+        """
+        return ("[" + ",".join(obj) + "]").encode("latin-1")
+
+
+class MessageSerializer:
+    def loads(self, data):
+        return json.loads(data.decode("latin-1"), cls=MessageDecoder)
+
+
+class CookieStorage(BaseStorage):
+    """
+    Store messages in a cookie.
+    """
+
+    cookie_name = "messages"
+    # uwsgi's default configuration enforces a maximum size of 4kb for all the
+    # HTTP headers. In order to leave some room for other cookies and headers,
+    # restrict the session cookie to 1/2 of 4kb. See #18781.
+    max_cookie_size = 2048
+    not_finished = "__messagesnotfinished__"
+    not_finished_json = json.dumps("__messagesnotfinished__")
+    key_salt = "django.contrib.messages"
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.signer = signing.get_cookie_signer(salt=self.key_salt)
+
+    def _get(self, *args, **kwargs):
+        """
+        Retrieve a list of messages from the messages cookie. If the
+        not_finished sentinel value is found at the end of the message list,
+        remove it and return a result indicating that not all messages were
+        retrieved by this storage.
+        """
+        data = self.request.COOKIES.get(self.cookie_name)
+        messages = self._decode(data)
+        all_retrieved = not (messages and messages[-1] == self.not_finished)
+        if messages and not all_retrieved:
+            # remove the sentinel value
+            messages.pop()
+        return messages, all_retrieved
+
+    def _update_cookie(self, encoded_data, response):
+        """
+        Either set the cookie with the encoded data if there is any data to
+        store, or delete the cookie.
+        """
+        if encoded_data:
+            response.set_cookie(
+                self.cookie_name,
+                encoded_data,
+                domain=settings.SESSION_COOKIE_DOMAIN,
+                secure=settings.SESSION_COOKIE_SECURE or None,
+                httponly=settings.SESSION_COOKIE_HTTPONLY or None,
+                samesite=settings.SESSION_COOKIE_SAMESITE,
+            )
+        else:
+            response.delete_cookie(
+                self.cookie_name,
+                domain=settings.SESSION_COOKIE_DOMAIN,
+                samesite=settings.SESSION_COOKIE_SAMESITE,
+            )
+
+    def _store(self, messages, response, remove_oldest=True, *args, **kwargs):
+        """
+        Store the messages to a cookie and return a list of any messages which
+        could not be stored.
+
+        If the encoded data is larger than ``max_cookie_size``, remove
+        messages until the data fits (these are the messages which are
+        returned), and add the not_finished sentinel value to indicate as much.
+        """
+        unstored_messages = []
+        serialized_messages = MessagePartSerializer().dumps(messages)
+        encoded_data = self._encode_parts(serialized_messages)
+        if self.max_cookie_size:
+            # data is going to be stored eventually by SimpleCookie, which
+            # adds its own overhead, which we must account for.
+            cookie = SimpleCookie()  # create outside the loop
+
+            def is_too_large_for_cookie(data):
+                return data and len(cookie.value_encode(data)[1]) > self.max_cookie_size
+
+            def compute_msg(some_serialized_msg):
+                return self._encode_parts(
+                    some_serialized_msg + [self.not_finished_json],
+                    encode_empty=True,
+                )
+
+            if is_too_large_for_cookie(encoded_data):
+                if remove_oldest:
+                    idx = bisect_keep_right(
+                        serialized_messages,
+                        fn=lambda m: is_too_large_for_cookie(compute_msg(m)),
+                    )
+                    unstored_messages = messages[:idx]
+                    encoded_data = compute_msg(serialized_messages[idx:])
+                else:
+                    idx = bisect_keep_left(
+                        serialized_messages,
+                        fn=lambda m: is_too_large_for_cookie(compute_msg(m)),
+                    )
+                    unstored_messages = messages[idx:]
+                    encoded_data = compute_msg(serialized_messages[:idx])
+
+        self._update_cookie(encoded_data, response)
+        return unstored_messages
+
+    def _encode_parts(self, messages, encode_empty=False):
+        """
+        Return an encoded version of the serialized messages list which can be
+        stored as plain text.
+
+        Since the data will be retrieved from the client-side, the encoded data
+        also contains a hash to ensure that the data was not tampered with.
+        """
+        if messages or encode_empty:
+            return self.signer.sign_object(
+                messages, serializer=MessagePartGatherSerializer, compress=True
+            )
+
+    def _encode(self, messages, encode_empty=False):
+        """
+        Return an encoded version of the messages list which can be stored as
+        plain text.
+
+        Proxies MessagePartSerializer.dumps and _encoded_parts.
+        """
+        serialized_messages = MessagePartSerializer().dumps(messages)
+        return self._encode_parts(serialized_messages, encode_empty=encode_empty)
+
+    def _decode(self, data):
+        """
+        Safely decode an encoded text stream back into a list of messages.
+
+        If the encoded text stream contained an invalid hash or was in an
+        invalid format, return None.
+        """
+        if not data:
+            return None
+        try:
+            return self.signer.unsign_object(data, serializer=MessageSerializer)
+        except (signing.BadSignature, binascii.Error, json.JSONDecodeError):
+            pass
+        # Mark the data as used (so it gets removed) since something was wrong
+        # with the data.
+        self.used = True
+        return None
+
+
+def bisect_keep_left(a, fn):
+    """
+    Find the index of the first element from the start of the array that
+    verifies the given condition.
+    The function is applied from the start of the array to the pivot.
+    """
+    lo = 0
+    hi = len(a)
+    while lo < hi:
+        mid = (lo + hi) // 2
+        if fn(a[: mid + 1]):
+            hi = mid
+        else:
+            lo = mid + 1
+    return lo
+
+
+def bisect_keep_right(a, fn):
+    """
+    Find the index of the first element from the end of the array that verifies
+    the given condition.
+    The function is applied from the pivot to the end of array.
+    """
+    lo = 0
+    hi = len(a)
+    while lo < hi:
+        mid = (lo + hi) // 2
+        if fn(a[mid:]):
+            lo = mid + 1
+        else:
+            hi = mid
+    return lo
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/fallback.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/fallback.py
new file mode 100644
index 00000000..44e26fab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/fallback.py
@@ -0,0 +1,56 @@
+from django.contrib.messages.storage.base import BaseStorage
+from django.contrib.messages.storage.cookie import CookieStorage
+from django.contrib.messages.storage.session import SessionStorage
+
+
+class FallbackStorage(BaseStorage):
+    """
+    Try to store all messages in the first backend. Store any unstored
+    messages in each subsequent backend.
+    """
+
+    storage_classes = (CookieStorage, SessionStorage)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.storages = [
+            storage_class(*args, **kwargs) for storage_class in self.storage_classes
+        ]
+        self._used_storages = set()
+
+    def _get(self, *args, **kwargs):
+        """
+        Get a single list of messages from all storage backends.
+        """
+        all_messages = []
+        for storage in self.storages:
+            messages, all_retrieved = storage._get()
+            # If the backend hasn't been used, no more retrieval is necessary.
+            if messages is None:
+                break
+            if messages:
+                self._used_storages.add(storage)
+            all_messages.extend(messages)
+            # If this storage class contained all the messages, no further
+            # retrieval is necessary
+            if all_retrieved:
+                break
+        return all_messages, all_retrieved
+
+    def _store(self, messages, response, *args, **kwargs):
+        """
+        Store the messages and return any unstored messages after trying all
+        backends.
+
+        For each storage backend, any messages not stored are passed on to the
+        next backend.
+        """
+        for storage in self.storages:
+            if messages:
+                messages = storage._store(messages, response, remove_oldest=False)
+            # Even if there are no more messages, continue iterating to ensure
+            # storages which contained messages are flushed.
+            elif storage in self._used_storages:
+                storage._store([], response)
+                self._used_storages.remove(storage)
+        return messages
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/session.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/session.py
new file mode 100644
index 00000000..3271c925
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/storage/session.py
@@ -0,0 +1,52 @@
+import json
+
+from django.contrib.messages.storage.base import BaseStorage
+from django.contrib.messages.storage.cookie import MessageDecoder, MessageEncoder
+from django.core.exceptions import ImproperlyConfigured
+
+
+class SessionStorage(BaseStorage):
+    """
+    Store messages in the session (that is, django.contrib.sessions).
+    """
+
+    session_key = "_messages"
+
+    def __init__(self, request, *args, **kwargs):
+        if not hasattr(request, "session"):
+            raise ImproperlyConfigured(
+                "The session-based temporary message storage requires session "
+                "middleware to be installed, and come before the message "
+                "middleware in the MIDDLEWARE list."
+            )
+        super().__init__(request, *args, **kwargs)
+
+    def _get(self, *args, **kwargs):
+        """
+        Retrieve a list of messages from the request's session. This storage
+        always stores everything it is given, so return True for the
+        all_retrieved flag.
+        """
+        return (
+            self.deserialize_messages(self.request.session.get(self.session_key)),
+            True,
+        )
+
+    def _store(self, messages, response, *args, **kwargs):
+        """
+        Store a list of messages to the request's session.
+        """
+        if messages:
+            self.request.session[self.session_key] = self.serialize_messages(messages)
+        else:
+            self.request.session.pop(self.session_key, None)
+        return []
+
+    def serialize_messages(self, messages):
+        encoder = MessageEncoder()
+        return encoder.encode(messages)
+
+    def deserialize_messages(self, data):
+        if data and isinstance(data, str):
+            return json.loads(data, cls=MessageDecoder)
+        return data
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/test.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/test.py
new file mode 100644
index 00000000..3a69f545
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/test.py
@@ -0,0 +1,8 @@
+from .api import get_messages
+
+
+class MessagesTestMixin:
+    def assertMessages(self, response, expected_messages, *, ordered=True):
+        request_messages = list(get_messages(response.wsgi_request))
+        assertion = self.assertEqual if ordered else self.assertCountEqual
+        assertion(request_messages, expected_messages)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/utils.py
new file mode 100644
index 00000000..0dd88735
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/utils.py
@@ -0,0 +1,12 @@
+from django.conf import settings
+from django.contrib.messages import constants
+
+
+def get_level_tags():
+    """
+    Return the message level tags.
+    """
+    return {
+        **constants.DEFAULT_TAGS,
+        **getattr(settings, "MESSAGE_TAGS", {}),
+    }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/views.py
new file mode 100644
index 00000000..38dee9be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/messages/views.py
@@ -0,0 +1,19 @@
+from django.contrib import messages
+
+
+class SuccessMessageMixin:
+    """
+    Add a success message on successful form submission.
+    """
+
+    success_message = ""
+
+    def form_valid(self, form):
+        response = super().form_valid(form)
+        success_message = self.get_success_message(form.cleaned_data)
+        if success_message:
+            messages.success(self.request, success_message)
+        return response
+
+    def get_success_message(self, cleaned_data):
+        return self.success_message % cleaned_data
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/__init__.py
new file mode 100644
index 00000000..4bfbd526
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/__init__.py
@@ -0,0 +1,2 @@
+from .general import *  # NOQA
+from .statistics import *  # NOQA
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/general.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/general.py
new file mode 100644
index 00000000..c8eea103
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/general.py
@@ -0,0 +1,98 @@
+import json
+import warnings
+
+from django.contrib.postgres.fields import ArrayField
+from django.db.models import Aggregate, BooleanField, JSONField, TextField, Value
+from django.utils.deprecation import RemovedInDjango51Warning
+
+from .mixins import OrderableAggMixin
+
+__all__ = [
+    "ArrayAgg",
+    "BitAnd",
+    "BitOr",
+    "BitXor",
+    "BoolAnd",
+    "BoolOr",
+    "JSONBAgg",
+    "StringAgg",
+]
+
+
+class ArrayAgg(OrderableAggMixin, Aggregate):
+    function = "ARRAY_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(ordering)s)"
+    allow_distinct = True
+
+    @property
+    def output_field(self):
+        return ArrayField(self.source_expressions[0].output_field)
+
+
+class BitAnd(Aggregate):
+    function = "BIT_AND"
+
+
+class BitOr(Aggregate):
+    function = "BIT_OR"
+
+
+class BitXor(Aggregate):
+    function = "BIT_XOR"
+
+
+class BoolAnd(Aggregate):
+    function = "BOOL_AND"
+    output_field = BooleanField()
+
+
+class BoolOr(Aggregate):
+    function = "BOOL_OR"
+    output_field = BooleanField()
+
+
+class JSONBAgg(OrderableAggMixin, Aggregate):
+    function = "JSONB_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(ordering)s)"
+    allow_distinct = True
+    output_field = JSONField()
+
+    # RemovedInDjango51Warning: When the deprecation ends, remove __init__().
+    def __init__(self, *expressions, default=None, **extra):
+        super().__init__(*expressions, default=default, **extra)
+        if (
+            isinstance(default, Value)
+            and isinstance(default.value, str)
+            and not isinstance(default.output_field, JSONField)
+        ):
+            value = default.value
+            try:
+                decoded = json.loads(value)
+            except json.JSONDecodeError:
+                warnings.warn(
+                    "Passing a Value() with an output_field that isn't a JSONField as "
+                    "JSONBAgg(default) is deprecated. Pass default="
+                    f"Value({value!r}, output_field=JSONField()) instead.",
+                    stacklevel=2,
+                    category=RemovedInDjango51Warning,
+                )
+                self.default.output_field = self.output_field
+            else:
+                self.default = Value(decoded, self.output_field)
+                warnings.warn(
+                    "Passing an encoded JSON string as JSONBAgg(default) is "
+                    f"deprecated. Pass default={decoded!r} instead.",
+                    stacklevel=2,
+                    category=RemovedInDjango51Warning,
+                )
+
+
+class StringAgg(OrderableAggMixin, Aggregate):
+    function = "STRING_AGG"
+    template = "%(function)s(%(distinct)s%(expressions)s %(ordering)s)"
+    allow_distinct = True
+    output_field = TextField()
+
+    def __init__(self, expression, delimiter, **extra):
+        delimiter_expr = Value(str(delimiter))
+        super().__init__(expression, delimiter_expr, **extra)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/mixins.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/mixins.py
new file mode 100644
index 00000000..340a9178
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/mixins.py
@@ -0,0 +1,29 @@
+from django.db.models.expressions import OrderByList
+
+
+class OrderableAggMixin:
+    def __init__(self, *expressions, ordering=(), **extra):
+        if isinstance(ordering, (list, tuple)):
+            self.order_by = OrderByList(*ordering)
+        else:
+            self.order_by = OrderByList(ordering)
+        super().__init__(*expressions, **extra)
+
+    def resolve_expression(self, *args, **kwargs):
+        self.order_by = self.order_by.resolve_expression(*args, **kwargs)
+        return super().resolve_expression(*args, **kwargs)
+
+    def get_source_expressions(self):
+        if self.order_by.source_expressions:
+            return super().get_source_expressions() + [self.order_by]
+        return super().get_source_expressions()
+
+    def set_source_expressions(self, exprs):
+        if isinstance(exprs[-1], OrderByList):
+            *exprs, self.order_by = exprs
+        return super().set_source_expressions(exprs)
+
+    def as_sql(self, compiler, connection):
+        order_by_sql, order_by_params = compiler.compile(self.order_by)
+        sql, sql_params = super().as_sql(compiler, connection, ordering=order_by_sql)
+        return sql, (*sql_params, *order_by_params)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/statistics.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/statistics.py
new file mode 100644
index 00000000..3dc442b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/aggregates/statistics.py
@@ -0,0 +1,75 @@
+from django.db.models import Aggregate, FloatField, IntegerField
+
+__all__ = [
+    "CovarPop",
+    "Corr",
+    "RegrAvgX",
+    "RegrAvgY",
+    "RegrCount",
+    "RegrIntercept",
+    "RegrR2",
+    "RegrSlope",
+    "RegrSXX",
+    "RegrSXY",
+    "RegrSYY",
+    "StatAggregate",
+]
+
+
+class StatAggregate(Aggregate):
+    output_field = FloatField()
+
+    def __init__(self, y, x, output_field=None, filter=None, default=None):
+        if not x or not y:
+            raise ValueError("Both y and x must be provided.")
+        super().__init__(
+            y, x, output_field=output_field, filter=filter, default=default
+        )
+
+
+class Corr(StatAggregate):
+    function = "CORR"
+
+
+class CovarPop(StatAggregate):
+    def __init__(self, y, x, sample=False, filter=None, default=None):
+        self.function = "COVAR_SAMP" if sample else "COVAR_POP"
+        super().__init__(y, x, filter=filter, default=default)
+
+
+class RegrAvgX(StatAggregate):
+    function = "REGR_AVGX"
+
+
+class RegrAvgY(StatAggregate):
+    function = "REGR_AVGY"
+
+
+class RegrCount(StatAggregate):
+    function = "REGR_COUNT"
+    output_field = IntegerField()
+    empty_result_set_value = 0
+
+
+class RegrIntercept(StatAggregate):
+    function = "REGR_INTERCEPT"
+
+
+class RegrR2(StatAggregate):
+    function = "REGR_R2"
+
+
+class RegrSlope(StatAggregate):
+    function = "REGR_SLOPE"
+
+
+class RegrSXX(StatAggregate):
+    function = "REGR_SXX"
+
+
+class RegrSXY(StatAggregate):
+    function = "REGR_SXY"
+
+
+class RegrSYY(StatAggregate):
+    function = "REGR_SYY"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/apps.py
new file mode 100644
index 00000000..a8ee3fbf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/apps.py
@@ -0,0 +1,84 @@
+from django.apps import AppConfig
+from django.core.signals import setting_changed
+from django.db import connections
+from django.db.backends.postgresql.psycopg_any import RANGE_TYPES
+from django.db.backends.signals import connection_created
+from django.db.migrations.writer import MigrationWriter
+from django.db.models import CharField, OrderBy, TextField
+from django.db.models.functions import Collate
+from django.db.models.indexes import IndexExpression
+from django.utils.translation import gettext_lazy as _
+
+from .indexes import OpClass
+from .lookups import (
+    SearchLookup,
+    TrigramSimilar,
+    TrigramStrictWordSimilar,
+    TrigramWordSimilar,
+    Unaccent,
+)
+from .serializers import RangeSerializer
+from .signals import register_type_handlers
+
+
+def uninstall_if_needed(setting, value, enter, **kwargs):
+    """
+    Undo the effects of PostgresConfig.ready() when django.contrib.postgres
+    is "uninstalled" by override_settings().
+    """
+    if (
+        not enter
+        and setting == "INSTALLED_APPS"
+        and "django.contrib.postgres" not in set(value)
+    ):
+        connection_created.disconnect(register_type_handlers)
+        CharField._unregister_lookup(Unaccent)
+        TextField._unregister_lookup(Unaccent)
+        CharField._unregister_lookup(SearchLookup)
+        TextField._unregister_lookup(SearchLookup)
+        CharField._unregister_lookup(TrigramSimilar)
+        TextField._unregister_lookup(TrigramSimilar)
+        CharField._unregister_lookup(TrigramWordSimilar)
+        TextField._unregister_lookup(TrigramWordSimilar)
+        CharField._unregister_lookup(TrigramStrictWordSimilar)
+        TextField._unregister_lookup(TrigramStrictWordSimilar)
+        # Disconnect this receiver until the next time this app is installed
+        # and ready() connects it again to prevent unnecessary processing on
+        # each setting change.
+        setting_changed.disconnect(uninstall_if_needed)
+        MigrationWriter.unregister_serializer(RANGE_TYPES)
+
+
+class PostgresConfig(AppConfig):
+    name = "django.contrib.postgres"
+    verbose_name = _("PostgreSQL extensions")
+
+    def ready(self):
+        setting_changed.connect(uninstall_if_needed)
+        # Connections may already exist before we are called.
+        for conn in connections.all(initialized_only=True):
+            if conn.vendor == "postgresql":
+                conn.introspection.data_types_reverse.update(
+                    {
+                        3904: "django.contrib.postgres.fields.IntegerRangeField",
+                        3906: "django.contrib.postgres.fields.DecimalRangeField",
+                        3910: "django.contrib.postgres.fields.DateTimeRangeField",
+                        3912: "django.contrib.postgres.fields.DateRangeField",
+                        3926: "django.contrib.postgres.fields.BigIntegerRangeField",
+                    }
+                )
+                if conn.connection is not None:
+                    register_type_handlers(conn)
+        connection_created.connect(register_type_handlers)
+        CharField.register_lookup(Unaccent)
+        TextField.register_lookup(Unaccent)
+        CharField.register_lookup(SearchLookup)
+        TextField.register_lookup(SearchLookup)
+        CharField.register_lookup(TrigramSimilar)
+        TextField.register_lookup(TrigramSimilar)
+        CharField.register_lookup(TrigramWordSimilar)
+        TextField.register_lookup(TrigramWordSimilar)
+        CharField.register_lookup(TrigramStrictWordSimilar)
+        TextField.register_lookup(TrigramStrictWordSimilar)
+        MigrationWriter.register_serializer(RANGE_TYPES, RangeSerializer)
+        IndexExpression.register_wrappers(OrderBy, OpClass, Collate)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/constraints.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/constraints.py
new file mode 100644
index 00000000..c61072b5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/constraints.py
@@ -0,0 +1,227 @@
+from types import NoneType
+
+from django.contrib.postgres.indexes import OpClass
+from django.core.exceptions import ValidationError
+from django.db import DEFAULT_DB_ALIAS, NotSupportedError
+from django.db.backends.ddl_references import Expressions, Statement, Table
+from django.db.models import BaseConstraint, Deferrable, F, Q
+from django.db.models.expressions import Exists, ExpressionList
+from django.db.models.indexes import IndexExpression
+from django.db.models.lookups import PostgresOperatorLookup
+from django.db.models.sql import Query
+
+__all__ = ["ExclusionConstraint"]
+
+
+class ExclusionConstraintExpression(IndexExpression):
+    template = "%(expressions)s WITH %(operator)s"
+
+
+class ExclusionConstraint(BaseConstraint):
+    template = (
+        "CONSTRAINT %(name)s EXCLUDE USING %(index_type)s "
+        "(%(expressions)s)%(include)s%(where)s%(deferrable)s"
+    )
+
+    def __init__(
+        self,
+        *,
+        name,
+        expressions,
+        index_type=None,
+        condition=None,
+        deferrable=None,
+        include=None,
+        violation_error_code=None,
+        violation_error_message=None,
+    ):
+        if index_type and index_type.lower() not in {"gist", "spgist"}:
+            raise ValueError(
+                "Exclusion constraints only support GiST or SP-GiST indexes."
+            )
+        if not expressions:
+            raise ValueError(
+                "At least one expression is required to define an exclusion "
+                "constraint."
+            )
+        if not all(
+            isinstance(expr, (list, tuple)) and len(expr) == 2 for expr in expressions
+        ):
+            raise ValueError("The expressions must be a list of 2-tuples.")
+        if not isinstance(condition, (NoneType, Q)):
+            raise ValueError("ExclusionConstraint.condition must be a Q instance.")
+        if not isinstance(deferrable, (NoneType, Deferrable)):
+            raise ValueError(
+                "ExclusionConstraint.deferrable must be a Deferrable instance."
+            )
+        if not isinstance(include, (NoneType, list, tuple)):
+            raise ValueError("ExclusionConstraint.include must be a list or tuple.")
+        self.expressions = expressions
+        self.index_type = index_type or "GIST"
+        self.condition = condition
+        self.deferrable = deferrable
+        self.include = tuple(include) if include else ()
+        super().__init__(
+            name=name,
+            violation_error_code=violation_error_code,
+            violation_error_message=violation_error_message,
+        )
+
+    def _get_expressions(self, schema_editor, query):
+        expressions = []
+        for idx, (expression, operator) in enumerate(self.expressions):
+            if isinstance(expression, str):
+                expression = F(expression)
+            expression = ExclusionConstraintExpression(expression, operator=operator)
+            expression.set_wrapper_classes(schema_editor.connection)
+            expressions.append(expression)
+        return ExpressionList(*expressions).resolve_expression(query)
+
+    def _get_condition_sql(self, compiler, schema_editor, query):
+        if self.condition is None:
+            return None
+        where = query.build_where(self.condition)
+        sql, params = where.as_sql(compiler, schema_editor.connection)
+        return sql % tuple(schema_editor.quote_value(p) for p in params)
+
+    def constraint_sql(self, model, schema_editor):
+        query = Query(model, alias_cols=False)
+        compiler = query.get_compiler(connection=schema_editor.connection)
+        expressions = self._get_expressions(schema_editor, query)
+        table = model._meta.db_table
+        condition = self._get_condition_sql(compiler, schema_editor, query)
+        include = [
+            model._meta.get_field(field_name).column for field_name in self.include
+        ]
+        return Statement(
+            self.template,
+            table=Table(table, schema_editor.quote_name),
+            name=schema_editor.quote_name(self.name),
+            index_type=self.index_type,
+            expressions=Expressions(
+                table, expressions, compiler, schema_editor.quote_value
+            ),
+            where=" WHERE (%s)" % condition if condition else "",
+            include=schema_editor._index_include_sql(model, include),
+            deferrable=schema_editor._deferrable_constraint_sql(self.deferrable),
+        )
+
+    def create_sql(self, model, schema_editor):
+        self.check_supported(schema_editor)
+        return Statement(
+            "ALTER TABLE %(table)s ADD %(constraint)s",
+            table=Table(model._meta.db_table, schema_editor.quote_name),
+            constraint=self.constraint_sql(model, schema_editor),
+        )
+
+    def remove_sql(self, model, schema_editor):
+        return schema_editor._delete_constraint_sql(
+            schema_editor.sql_delete_check,
+            model,
+            schema_editor.quote_name(self.name),
+        )
+
+    def check_supported(self, schema_editor):
+        if (
+            self.include
+            and self.index_type.lower() == "spgist"
+            and not schema_editor.connection.features.supports_covering_spgist_indexes
+        ):
+            raise NotSupportedError(
+                "Covering exclusion constraints using an SP-GiST index "
+                "require PostgreSQL 14+."
+            )
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        kwargs["expressions"] = self.expressions
+        if self.condition is not None:
+            kwargs["condition"] = self.condition
+        if self.index_type.lower() != "gist":
+            kwargs["index_type"] = self.index_type
+        if self.deferrable:
+            kwargs["deferrable"] = self.deferrable
+        if self.include:
+            kwargs["include"] = self.include
+        return path, args, kwargs
+
+    def __eq__(self, other):
+        if isinstance(other, self.__class__):
+            return (
+                self.name == other.name
+                and self.index_type == other.index_type
+                and self.expressions == other.expressions
+                and self.condition == other.condition
+                and self.deferrable == other.deferrable
+                and self.include == other.include
+                and self.violation_error_code == other.violation_error_code
+                and self.violation_error_message == other.violation_error_message
+            )
+        return super().__eq__(other)
+
+    def __repr__(self):
+        return "<%s: index_type=%s expressions=%s name=%s%s%s%s%s%s>" % (
+            self.__class__.__qualname__,
+            repr(self.index_type),
+            repr(self.expressions),
+            repr(self.name),
+            "" if self.condition is None else " condition=%s" % self.condition,
+            "" if self.deferrable is None else " deferrable=%r" % self.deferrable,
+            "" if not self.include else " include=%s" % repr(self.include),
+            (
+                ""
+                if self.violation_error_code is None
+                else " violation_error_code=%r" % self.violation_error_code
+            ),
+            (
+                ""
+                if self.violation_error_message is None
+                or self.violation_error_message == self.default_violation_error_message
+                else " violation_error_message=%r" % self.violation_error_message
+            ),
+        )
+
+    def validate(self, model, instance, exclude=None, using=DEFAULT_DB_ALIAS):
+        queryset = model._default_manager.using(using)
+        replacement_map = instance._get_field_value_map(
+            meta=model._meta, exclude=exclude
+        )
+        replacements = {F(field): value for field, value in replacement_map.items()}
+        lookups = []
+        for idx, (expression, operator) in enumerate(self.expressions):
+            if isinstance(expression, str):
+                expression = F(expression)
+            if exclude:
+                if isinstance(expression, F):
+                    if expression.name in exclude:
+                        return
+                else:
+                    for expr in expression.flatten():
+                        if isinstance(expr, F) and expr.name in exclude:
+                            return
+            rhs_expression = expression.replace_expressions(replacements)
+            # Remove OpClass because it only has sense during the constraint
+            # creation.
+            if isinstance(expression, OpClass):
+                expression = expression.get_source_expressions()[0]
+            if isinstance(rhs_expression, OpClass):
+                rhs_expression = rhs_expression.get_source_expressions()[0]
+            lookup = PostgresOperatorLookup(lhs=expression, rhs=rhs_expression)
+            lookup.postgres_operator = operator
+            lookups.append(lookup)
+        queryset = queryset.filter(*lookups)
+        model_class_pk = instance._get_pk_val(model._meta)
+        if not instance._state.adding and model_class_pk is not None:
+            queryset = queryset.exclude(pk=model_class_pk)
+        if not self.condition:
+            if queryset.exists():
+                raise ValidationError(
+                    self.get_violation_error_message(), code=self.violation_error_code
+                )
+        else:
+            if (self.condition & Exists(queryset.filter(self.condition))).check(
+                replacement_map, using=using
+            ):
+                raise ValidationError(
+                    self.get_violation_error_message(), code=self.violation_error_code
+                )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/expressions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/expressions.py
new file mode 100644
index 00000000..469f4e9f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/expressions.py
@@ -0,0 +1,14 @@
+from django.contrib.postgres.fields import ArrayField
+from django.db.models import Subquery
+from django.utils.functional import cached_property
+
+
+class ArraySubquery(Subquery):
+    template = "ARRAY(%(subquery)s)"
+
+    def __init__(self, queryset, **kwargs):
+        super().__init__(queryset, **kwargs)
+
+    @cached_property
+    def output_field(self):
+        return ArrayField(self.query.output_field)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/__init__.py
new file mode 100644
index 00000000..ef110279
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/__init__.py
@@ -0,0 +1,5 @@
+from .array import *  # NOQA
+from .citext import *  # NOQA
+from .hstore import *  # NOQA
+from .jsonb import *  # NOQA
+from .ranges import *  # NOQA
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/array.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/array.py
new file mode 100644
index 00000000..c8e8e132
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/array.py
@@ -0,0 +1,365 @@
+import json
+
+from django.contrib.postgres import lookups
+from django.contrib.postgres.forms import SimpleArrayField
+from django.contrib.postgres.validators import ArrayMaxLengthValidator
+from django.core import checks, exceptions
+from django.db.models import Field, Func, IntegerField, Transform, Value
+from django.db.models.fields.mixins import CheckFieldDefaultMixin
+from django.db.models.lookups import Exact, In
+from django.utils.translation import gettext_lazy as _
+
+from ..utils import prefix_validation_error
+from .utils import AttributeSetter
+
+__all__ = ["ArrayField"]
+
+
+class ArrayField(CheckFieldDefaultMixin, Field):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "item_invalid": _("Item %(nth)s in the array did not validate:"),
+        "nested_array_mismatch": _("Nested arrays must have the same length."),
+    }
+    _default_hint = ("list", "[]")
+
+    def __init__(self, base_field, size=None, **kwargs):
+        self.base_field = base_field
+        self.db_collation = getattr(self.base_field, "db_collation", None)
+        self.size = size
+        if self.size:
+            self.default_validators = [
+                *self.default_validators,
+                ArrayMaxLengthValidator(self.size),
+            ]
+        # For performance, only add a from_db_value() method if the base field
+        # implements it.
+        if hasattr(self.base_field, "from_db_value"):
+            self.from_db_value = self._from_db_value
+        super().__init__(**kwargs)
+
+    @property
+    def model(self):
+        try:
+            return self.__dict__["model"]
+        except KeyError:
+            raise AttributeError(
+                "'%s' object has no attribute 'model'" % self.__class__.__name__
+            )
+
+    @model.setter
+    def model(self, model):
+        self.__dict__["model"] = model
+        self.base_field.model = model
+
+    @classmethod
+    def _choices_is_value(cls, value):
+        return isinstance(value, (list, tuple)) or super()._choices_is_value(value)
+
+    def check(self, **kwargs):
+        errors = super().check(**kwargs)
+        if self.base_field.remote_field:
+            errors.append(
+                checks.Error(
+                    "Base field for array cannot be a related field.",
+                    obj=self,
+                    id="postgres.E002",
+                )
+            )
+        else:
+            # Remove the field name checks as they are not needed here.
+            base_checks = self.base_field.check()
+            if base_checks:
+                error_messages = "\n    ".join(
+                    "%s (%s)" % (base_check.msg, base_check.id)
+                    for base_check in base_checks
+                    if isinstance(base_check, checks.Error)
+                )
+                if error_messages:
+                    errors.append(
+                        checks.Error(
+                            "Base field for array has errors:\n    %s" % error_messages,
+                            obj=self,
+                            id="postgres.E001",
+                        )
+                    )
+                warning_messages = "\n    ".join(
+                    "%s (%s)" % (base_check.msg, base_check.id)
+                    for base_check in base_checks
+                    if isinstance(base_check, checks.Warning)
+                )
+                if warning_messages:
+                    errors.append(
+                        checks.Warning(
+                            "Base field for array has warnings:\n    %s"
+                            % warning_messages,
+                            obj=self,
+                            id="postgres.W004",
+                        )
+                    )
+        return errors
+
+    def set_attributes_from_name(self, name):
+        super().set_attributes_from_name(name)
+        self.base_field.set_attributes_from_name(name)
+
+    @property
+    def description(self):
+        return "Array of %s" % self.base_field.description
+
+    def db_type(self, connection):
+        size = self.size or ""
+        return "%s[%s]" % (self.base_field.db_type(connection), size)
+
+    def cast_db_type(self, connection):
+        size = self.size or ""
+        return "%s[%s]" % (self.base_field.cast_db_type(connection), size)
+
+    def db_parameters(self, connection):
+        db_params = super().db_parameters(connection)
+        db_params["collation"] = self.db_collation
+        return db_params
+
+    def get_placeholder(self, value, compiler, connection):
+        return "%s::{}".format(self.db_type(connection))
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if isinstance(value, (list, tuple)):
+            return [
+                self.base_field.get_db_prep_value(i, connection, prepared=False)
+                for i in value
+            ]
+        return value
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if path == "django.contrib.postgres.fields.array.ArrayField":
+            path = "django.contrib.postgres.fields.ArrayField"
+        kwargs.update(
+            {
+                "base_field": self.base_field.clone(),
+                "size": self.size,
+            }
+        )
+        return name, path, args, kwargs
+
+    def to_python(self, value):
+        if isinstance(value, str):
+            # Assume we're deserializing
+            vals = json.loads(value)
+            value = [self.base_field.to_python(val) for val in vals]
+        return value
+
+    def _from_db_value(self, value, expression, connection):
+        if value is None:
+            return value
+        return [
+            self.base_field.from_db_value(item, expression, connection)
+            for item in value
+        ]
+
+    def value_to_string(self, obj):
+        values = []
+        vals = self.value_from_object(obj)
+        base_field = self.base_field
+
+        for val in vals:
+            if val is None:
+                values.append(None)
+            else:
+                obj = AttributeSetter(base_field.attname, val)
+                values.append(base_field.value_to_string(obj))
+        return json.dumps(values)
+
+    def get_transform(self, name):
+        transform = super().get_transform(name)
+        if transform:
+            return transform
+        if "_" not in name:
+            try:
+                index = int(name)
+            except ValueError:
+                pass
+            else:
+                index += 1  # postgres uses 1-indexing
+                return IndexTransformFactory(index, self.base_field)
+        try:
+            start, end = name.split("_")
+            start = int(start) + 1
+            end = int(end)  # don't add one here because postgres slices are weird
+        except ValueError:
+            pass
+        else:
+            return SliceTransformFactory(start, end)
+
+    def validate(self, value, model_instance):
+        super().validate(value, model_instance)
+        for index, part in enumerate(value):
+            try:
+                self.base_field.validate(part, model_instance)
+            except exceptions.ValidationError as error:
+                raise prefix_validation_error(
+                    error,
+                    prefix=self.error_messages["item_invalid"],
+                    code="item_invalid",
+                    params={"nth": index + 1},
+                )
+        if isinstance(self.base_field, ArrayField):
+            if len({len(i) for i in value}) > 1:
+                raise exceptions.ValidationError(
+                    self.error_messages["nested_array_mismatch"],
+                    code="nested_array_mismatch",
+                )
+
+    def run_validators(self, value):
+        super().run_validators(value)
+        for index, part in enumerate(value):
+            try:
+                self.base_field.run_validators(part)
+            except exceptions.ValidationError as error:
+                raise prefix_validation_error(
+                    error,
+                    prefix=self.error_messages["item_invalid"],
+                    code="item_invalid",
+                    params={"nth": index + 1},
+                )
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": SimpleArrayField,
+                "base_field": self.base_field.formfield(),
+                "max_length": self.size,
+                **kwargs,
+            }
+        )
+
+
+class ArrayRHSMixin:
+    def __init__(self, lhs, rhs):
+        # Don't wrap arrays that contains only None values, psycopg doesn't
+        # allow this.
+        if isinstance(rhs, (tuple, list)) and any(self._rhs_not_none_values(rhs)):
+            expressions = []
+            for value in rhs:
+                if not hasattr(value, "resolve_expression"):
+                    field = lhs.output_field
+                    value = Value(field.base_field.get_prep_value(value))
+                expressions.append(value)
+            rhs = Func(
+                *expressions,
+                function="ARRAY",
+                template="%(function)s[%(expressions)s]",
+            )
+        super().__init__(lhs, rhs)
+
+    def process_rhs(self, compiler, connection):
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        cast_type = self.lhs.output_field.cast_db_type(connection)
+        return "%s::%s" % (rhs, cast_type), rhs_params
+
+    def _rhs_not_none_values(self, rhs):
+        for x in rhs:
+            if isinstance(x, (list, tuple)):
+                yield from self._rhs_not_none_values(x)
+            elif x is not None:
+                yield True
+
+
+@ArrayField.register_lookup
+class ArrayContains(ArrayRHSMixin, lookups.DataContains):
+    pass
+
+
+@ArrayField.register_lookup
+class ArrayContainedBy(ArrayRHSMixin, lookups.ContainedBy):
+    pass
+
+
+@ArrayField.register_lookup
+class ArrayExact(ArrayRHSMixin, Exact):
+    pass
+
+
+@ArrayField.register_lookup
+class ArrayOverlap(ArrayRHSMixin, lookups.Overlap):
+    pass
+
+
+@ArrayField.register_lookup
+class ArrayLenTransform(Transform):
+    lookup_name = "len"
+    output_field = IntegerField()
+
+    def as_sql(self, compiler, connection):
+        lhs, params = compiler.compile(self.lhs)
+        # Distinguish NULL and empty arrays
+        return (
+            "CASE WHEN %(lhs)s IS NULL THEN NULL ELSE "
+            "coalesce(array_length(%(lhs)s, 1), 0) END"
+        ) % {"lhs": lhs}, params * 2
+
+
+@ArrayField.register_lookup
+class ArrayInLookup(In):
+    def get_prep_lookup(self):
+        values = super().get_prep_lookup()
+        if hasattr(values, "resolve_expression"):
+            return values
+        # In.process_rhs() expects values to be hashable, so convert lists
+        # to tuples.
+        prepared_values = []
+        for value in values:
+            if hasattr(value, "resolve_expression"):
+                prepared_values.append(value)
+            else:
+                prepared_values.append(tuple(value))
+        return prepared_values
+
+
+class IndexTransform(Transform):
+    def __init__(self, index, base_field, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.index = index
+        self.base_field = base_field
+
+    def as_sql(self, compiler, connection):
+        lhs, params = compiler.compile(self.lhs)
+        if not lhs.endswith("]"):
+            lhs = "(%s)" % lhs
+        return "%s[%%s]" % lhs, (*params, self.index)
+
+    @property
+    def output_field(self):
+        return self.base_field
+
+
+class IndexTransformFactory:
+    def __init__(self, index, base_field):
+        self.index = index
+        self.base_field = base_field
+
+    def __call__(self, *args, **kwargs):
+        return IndexTransform(self.index, self.base_field, *args, **kwargs)
+
+
+class SliceTransform(Transform):
+    def __init__(self, start, end, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.start = start
+        self.end = end
+
+    def as_sql(self, compiler, connection):
+        lhs, params = compiler.compile(self.lhs)
+        if not lhs.endswith("]"):
+            lhs = "(%s)" % lhs
+        return "%s[%%s:%%s]" % lhs, (*params, self.start, self.end)
+
+
+class SliceTransformFactory:
+    def __init__(self, start, end):
+        self.start = start
+        self.end = end
+
+    def __call__(self, *args, **kwargs):
+        return SliceTransform(self.start, self.end, *args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/citext.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/citext.py
new file mode 100644
index 00000000..2dac2577
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/citext.py
@@ -0,0 +1,78 @@
+import warnings
+
+from django.db.models import CharField, EmailField, TextField
+from django.test.utils import ignore_warnings
+from django.utils.deprecation import RemovedInDjango51Warning
+
+__all__ = ["CICharField", "CIEmailField", "CIText", "CITextField"]
+
+
+# RemovedInDjango51Warning.
+class CIText:
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            "django.contrib.postgres.fields.CIText mixin is deprecated.",
+            RemovedInDjango51Warning,
+            stacklevel=2,
+        )
+        super().__init__(*args, **kwargs)
+
+    def get_internal_type(self):
+        return "CI" + super().get_internal_type()
+
+    def db_type(self, connection):
+        return "citext"
+
+
+class CICharField(CIText, CharField):
+    system_check_deprecated_details = {
+        "msg": (
+            "django.contrib.postgres.fields.CICharField is deprecated. Support for it "
+            "(except in historical migrations) will be removed in Django 5.1."
+        ),
+        "hint": (
+            'Use CharField(db_collation="…") with a case-insensitive non-deterministic '
+            "collation instead."
+        ),
+        "id": "fields.W905",
+    }
+
+    def __init__(self, *args, **kwargs):
+        with ignore_warnings(category=RemovedInDjango51Warning):
+            super().__init__(*args, **kwargs)
+
+
+class CIEmailField(CIText, EmailField):
+    system_check_deprecated_details = {
+        "msg": (
+            "django.contrib.postgres.fields.CIEmailField is deprecated. Support for it "
+            "(except in historical migrations) will be removed in Django 5.1."
+        ),
+        "hint": (
+            'Use EmailField(db_collation="…") with a case-insensitive '
+            "non-deterministic collation instead."
+        ),
+        "id": "fields.W906",
+    }
+
+    def __init__(self, *args, **kwargs):
+        with ignore_warnings(category=RemovedInDjango51Warning):
+            super().__init__(*args, **kwargs)
+
+
+class CITextField(CIText, TextField):
+    system_check_deprecated_details = {
+        "msg": (
+            "django.contrib.postgres.fields.CITextField is deprecated. Support for it "
+            "(except in historical migrations) will be removed in Django 5.1."
+        ),
+        "hint": (
+            'Use TextField(db_collation="…") with a case-insensitive non-deterministic '
+            "collation instead."
+        ),
+        "id": "fields.W907",
+    }
+
+    def __init__(self, *args, **kwargs):
+        with ignore_warnings(category=RemovedInDjango51Warning):
+            super().__init__(*args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/hstore.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/hstore.py
new file mode 100644
index 00000000..cfc156ab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/hstore.py
@@ -0,0 +1,112 @@
+import json
+
+from django.contrib.postgres import forms, lookups
+from django.contrib.postgres.fields.array import ArrayField
+from django.core import exceptions
+from django.db.models import Field, TextField, Transform
+from django.db.models.fields.mixins import CheckFieldDefaultMixin
+from django.utils.translation import gettext_lazy as _
+
+__all__ = ["HStoreField"]
+
+
+class HStoreField(CheckFieldDefaultMixin, Field):
+    empty_strings_allowed = False
+    description = _("Map of strings to strings/nulls")
+    default_error_messages = {
+        "not_a_string": _("The value of “%(key)s” is not a string or null."),
+    }
+    _default_hint = ("dict", "{}")
+
+    def db_type(self, connection):
+        return "hstore"
+
+    def get_transform(self, name):
+        transform = super().get_transform(name)
+        if transform:
+            return transform
+        return KeyTransformFactory(name)
+
+    def validate(self, value, model_instance):
+        super().validate(value, model_instance)
+        for key, val in value.items():
+            if not isinstance(val, str) and val is not None:
+                raise exceptions.ValidationError(
+                    self.error_messages["not_a_string"],
+                    code="not_a_string",
+                    params={"key": key},
+                )
+
+    def to_python(self, value):
+        if isinstance(value, str):
+            value = json.loads(value)
+        return value
+
+    def value_to_string(self, obj):
+        return json.dumps(self.value_from_object(obj))
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.HStoreField,
+                **kwargs,
+            }
+        )
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+
+        if isinstance(value, dict):
+            prep_value = {}
+            for key, val in value.items():
+                key = str(key)
+                if val is not None:
+                    val = str(val)
+                prep_value[key] = val
+            value = prep_value
+
+        if isinstance(value, list):
+            value = [str(item) for item in value]
+
+        return value
+
+
+HStoreField.register_lookup(lookups.DataContains)
+HStoreField.register_lookup(lookups.ContainedBy)
+HStoreField.register_lookup(lookups.HasKey)
+HStoreField.register_lookup(lookups.HasKeys)
+HStoreField.register_lookup(lookups.HasAnyKeys)
+
+
+class KeyTransform(Transform):
+    output_field = TextField()
+
+    def __init__(self, key_name, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.key_name = key_name
+
+    def as_sql(self, compiler, connection):
+        lhs, params = compiler.compile(self.lhs)
+        return "(%s -> %%s)" % lhs, tuple(params) + (self.key_name,)
+
+
+class KeyTransformFactory:
+    def __init__(self, key_name):
+        self.key_name = key_name
+
+    def __call__(self, *args, **kwargs):
+        return KeyTransform(self.key_name, *args, **kwargs)
+
+
+@HStoreField.register_lookup
+class KeysTransform(Transform):
+    lookup_name = "keys"
+    function = "akeys"
+    output_field = ArrayField(TextField())
+
+
+@HStoreField.register_lookup
+class ValuesTransform(Transform):
+    lookup_name = "values"
+    function = "avals"
+    output_field = ArrayField(TextField())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/jsonb.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/jsonb.py
new file mode 100644
index 00000000..760b5d83
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/jsonb.py
@@ -0,0 +1,14 @@
+from django.db.models import JSONField as BuiltinJSONField
+
+__all__ = ["JSONField"]
+
+
+class JSONField(BuiltinJSONField):
+    system_check_removed_details = {
+        "msg": (
+            "django.contrib.postgres.fields.JSONField is removed except for "
+            "support in historical migrations."
+        ),
+        "hint": "Use django.db.models.JSONField instead.",
+        "id": "fields.E904",
+    }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/ranges.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/ranges.py
new file mode 100644
index 00000000..fbb60126
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/ranges.py
@@ -0,0 +1,383 @@
+import datetime
+import json
+
+from django.contrib.postgres import forms, lookups
+from django.db import models
+from django.db.backends.postgresql.psycopg_any import (
+    DateRange,
+    DateTimeTZRange,
+    NumericRange,
+    Range,
+)
+from django.db.models.functions import Cast
+from django.db.models.lookups import PostgresOperatorLookup
+
+from .utils import AttributeSetter
+
+__all__ = [
+    "RangeField",
+    "IntegerRangeField",
+    "BigIntegerRangeField",
+    "DecimalRangeField",
+    "DateTimeRangeField",
+    "DateRangeField",
+    "RangeBoundary",
+    "RangeOperators",
+]
+
+
+class RangeBoundary(models.Expression):
+    """A class that represents range boundaries."""
+
+    def __init__(self, inclusive_lower=True, inclusive_upper=False):
+        self.lower = "[" if inclusive_lower else "("
+        self.upper = "]" if inclusive_upper else ")"
+
+    def as_sql(self, compiler, connection):
+        return "'%s%s'" % (self.lower, self.upper), []
+
+
+class RangeOperators:
+    # https://www.postgresql.org/docs/current/functions-range.html#RANGE-OPERATORS-TABLE
+    EQUAL = "="
+    NOT_EQUAL = "<>"
+    CONTAINS = "@>"
+    CONTAINED_BY = "<@"
+    OVERLAPS = "&&"
+    FULLY_LT = "<<"
+    FULLY_GT = ">>"
+    NOT_LT = "&>"
+    NOT_GT = "&<"
+    ADJACENT_TO = "-|-"
+
+
+class RangeField(models.Field):
+    empty_strings_allowed = False
+
+    def __init__(self, *args, **kwargs):
+        if "default_bounds" in kwargs:
+            raise TypeError(
+                f"Cannot use 'default_bounds' with {self.__class__.__name__}."
+            )
+        # Initializing base_field here ensures that its model matches the model
+        # for self.
+        if hasattr(self, "base_field"):
+            self.base_field = self.base_field()
+        super().__init__(*args, **kwargs)
+
+    @property
+    def model(self):
+        try:
+            return self.__dict__["model"]
+        except KeyError:
+            raise AttributeError(
+                "'%s' object has no attribute 'model'" % self.__class__.__name__
+            )
+
+    @model.setter
+    def model(self, model):
+        self.__dict__["model"] = model
+        self.base_field.model = model
+
+    @classmethod
+    def _choices_is_value(cls, value):
+        return isinstance(value, (list, tuple)) or super()._choices_is_value(value)
+
+    def get_placeholder(self, value, compiler, connection):
+        return "%s::{}".format(self.db_type(connection))
+
+    def get_prep_value(self, value):
+        if value is None:
+            return None
+        elif isinstance(value, Range):
+            return value
+        elif isinstance(value, (list, tuple)):
+            return self.range_type(value[0], value[1])
+        return value
+
+    def to_python(self, value):
+        if isinstance(value, str):
+            # Assume we're deserializing
+            vals = json.loads(value)
+            for end in ("lower", "upper"):
+                if end in vals:
+                    vals[end] = self.base_field.to_python(vals[end])
+            value = self.range_type(**vals)
+        elif isinstance(value, (list, tuple)):
+            value = self.range_type(value[0], value[1])
+        return value
+
+    def set_attributes_from_name(self, name):
+        super().set_attributes_from_name(name)
+        self.base_field.set_attributes_from_name(name)
+
+    def value_to_string(self, obj):
+        value = self.value_from_object(obj)
+        if value is None:
+            return None
+        if value.isempty:
+            return json.dumps({"empty": True})
+        base_field = self.base_field
+        result = {"bounds": value._bounds}
+        for end in ("lower", "upper"):
+            val = getattr(value, end)
+            if val is None:
+                result[end] = None
+            else:
+                obj = AttributeSetter(base_field.attname, val)
+                result[end] = base_field.value_to_string(obj)
+        return json.dumps(result)
+
+    def formfield(self, **kwargs):
+        kwargs.setdefault("form_class", self.form_field)
+        return super().formfield(**kwargs)
+
+
+CANONICAL_RANGE_BOUNDS = "[)"
+
+
+class ContinuousRangeField(RangeField):
+    """
+    Continuous range field. It allows specifying default bounds for list and
+    tuple inputs.
+    """
+
+    def __init__(self, *args, default_bounds=CANONICAL_RANGE_BOUNDS, **kwargs):
+        if default_bounds not in ("[)", "(]", "()", "[]"):
+            raise ValueError("default_bounds must be one of '[)', '(]', '()', or '[]'.")
+        self.default_bounds = default_bounds
+        super().__init__(*args, **kwargs)
+
+    def get_prep_value(self, value):
+        if isinstance(value, (list, tuple)):
+            return self.range_type(value[0], value[1], self.default_bounds)
+        return super().get_prep_value(value)
+
+    def formfield(self, **kwargs):
+        kwargs.setdefault("default_bounds", self.default_bounds)
+        return super().formfield(**kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.default_bounds and self.default_bounds != CANONICAL_RANGE_BOUNDS:
+            kwargs["default_bounds"] = self.default_bounds
+        return name, path, args, kwargs
+
+
+class IntegerRangeField(RangeField):
+    base_field = models.IntegerField
+    range_type = NumericRange
+    form_field = forms.IntegerRangeField
+
+    def db_type(self, connection):
+        return "int4range"
+
+
+class BigIntegerRangeField(RangeField):
+    base_field = models.BigIntegerField
+    range_type = NumericRange
+    form_field = forms.IntegerRangeField
+
+    def db_type(self, connection):
+        return "int8range"
+
+
+class DecimalRangeField(ContinuousRangeField):
+    base_field = models.DecimalField
+    range_type = NumericRange
+    form_field = forms.DecimalRangeField
+
+    def db_type(self, connection):
+        return "numrange"
+
+
+class DateTimeRangeField(ContinuousRangeField):
+    base_field = models.DateTimeField
+    range_type = DateTimeTZRange
+    form_field = forms.DateTimeRangeField
+
+    def db_type(self, connection):
+        return "tstzrange"
+
+
+class DateRangeField(RangeField):
+    base_field = models.DateField
+    range_type = DateRange
+    form_field = forms.DateRangeField
+
+    def db_type(self, connection):
+        return "daterange"
+
+
+class RangeContains(lookups.DataContains):
+    def get_prep_lookup(self):
+        if not isinstance(self.rhs, (list, tuple, Range)):
+            return Cast(self.rhs, self.lhs.field.base_field)
+        return super().get_prep_lookup()
+
+
+RangeField.register_lookup(RangeContains)
+RangeField.register_lookup(lookups.ContainedBy)
+RangeField.register_lookup(lookups.Overlap)
+
+
+class DateTimeRangeContains(PostgresOperatorLookup):
+    """
+    Lookup for Date/DateTimeRange containment to cast the rhs to the correct
+    type.
+    """
+
+    lookup_name = "contains"
+    postgres_operator = RangeOperators.CONTAINS
+
+    def process_rhs(self, compiler, connection):
+        # Transform rhs value for db lookup.
+        if isinstance(self.rhs, datetime.date):
+            value = models.Value(self.rhs)
+            self.rhs = value.resolve_expression(compiler.query)
+        return super().process_rhs(compiler, connection)
+
+    def as_postgresql(self, compiler, connection):
+        sql, params = super().as_postgresql(compiler, connection)
+        # Cast the rhs if needed.
+        cast_sql = ""
+        if (
+            isinstance(self.rhs, models.Expression)
+            and self.rhs._output_field_or_none
+            and
+            # Skip cast if rhs has a matching range type.
+            not isinstance(
+                self.rhs._output_field_or_none, self.lhs.output_field.__class__
+            )
+        ):
+            cast_internal_type = self.lhs.output_field.base_field.get_internal_type()
+            cast_sql = "::{}".format(connection.data_types.get(cast_internal_type))
+        return "%s%s" % (sql, cast_sql), params
+
+
+DateRangeField.register_lookup(DateTimeRangeContains)
+DateTimeRangeField.register_lookup(DateTimeRangeContains)
+
+
+class RangeContainedBy(PostgresOperatorLookup):
+    lookup_name = "contained_by"
+    type_mapping = {
+        "smallint": "int4range",
+        "integer": "int4range",
+        "bigint": "int8range",
+        "double precision": "numrange",
+        "numeric": "numrange",
+        "date": "daterange",
+        "timestamp with time zone": "tstzrange",
+    }
+    postgres_operator = RangeOperators.CONTAINED_BY
+
+    def process_rhs(self, compiler, connection):
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        # Ignore precision for DecimalFields.
+        db_type = self.lhs.output_field.cast_db_type(connection).split("(")[0]
+        cast_type = self.type_mapping[db_type]
+        return "%s::%s" % (rhs, cast_type), rhs_params
+
+    def process_lhs(self, compiler, connection):
+        lhs, lhs_params = super().process_lhs(compiler, connection)
+        if isinstance(self.lhs.output_field, models.FloatField):
+            lhs = "%s::numeric" % lhs
+        elif isinstance(self.lhs.output_field, models.SmallIntegerField):
+            lhs = "%s::integer" % lhs
+        return lhs, lhs_params
+
+    def get_prep_lookup(self):
+        return RangeField().get_prep_value(self.rhs)
+
+
+models.DateField.register_lookup(RangeContainedBy)
+models.DateTimeField.register_lookup(RangeContainedBy)
+models.IntegerField.register_lookup(RangeContainedBy)
+models.FloatField.register_lookup(RangeContainedBy)
+models.DecimalField.register_lookup(RangeContainedBy)
+
+
+@RangeField.register_lookup
+class FullyLessThan(PostgresOperatorLookup):
+    lookup_name = "fully_lt"
+    postgres_operator = RangeOperators.FULLY_LT
+
+
+@RangeField.register_lookup
+class FullGreaterThan(PostgresOperatorLookup):
+    lookup_name = "fully_gt"
+    postgres_operator = RangeOperators.FULLY_GT
+
+
+@RangeField.register_lookup
+class NotLessThan(PostgresOperatorLookup):
+    lookup_name = "not_lt"
+    postgres_operator = RangeOperators.NOT_LT
+
+
+@RangeField.register_lookup
+class NotGreaterThan(PostgresOperatorLookup):
+    lookup_name = "not_gt"
+    postgres_operator = RangeOperators.NOT_GT
+
+
+@RangeField.register_lookup
+class AdjacentToLookup(PostgresOperatorLookup):
+    lookup_name = "adjacent_to"
+    postgres_operator = RangeOperators.ADJACENT_TO
+
+
+@RangeField.register_lookup
+class RangeStartsWith(models.Transform):
+    lookup_name = "startswith"
+    function = "lower"
+
+    @property
+    def output_field(self):
+        return self.lhs.output_field.base_field
+
+
+@RangeField.register_lookup
+class RangeEndsWith(models.Transform):
+    lookup_name = "endswith"
+    function = "upper"
+
+    @property
+    def output_field(self):
+        return self.lhs.output_field.base_field
+
+
+@RangeField.register_lookup
+class IsEmpty(models.Transform):
+    lookup_name = "isempty"
+    function = "isempty"
+    output_field = models.BooleanField()
+
+
+@RangeField.register_lookup
+class LowerInclusive(models.Transform):
+    lookup_name = "lower_inc"
+    function = "LOWER_INC"
+    output_field = models.BooleanField()
+
+
+@RangeField.register_lookup
+class LowerInfinite(models.Transform):
+    lookup_name = "lower_inf"
+    function = "LOWER_INF"
+    output_field = models.BooleanField()
+
+
+@RangeField.register_lookup
+class UpperInclusive(models.Transform):
+    lookup_name = "upper_inc"
+    function = "UPPER_INC"
+    output_field = models.BooleanField()
+
+
+@RangeField.register_lookup
+class UpperInfinite(models.Transform):
+    lookup_name = "upper_inf"
+    function = "UPPER_INF"
+    output_field = models.BooleanField()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/utils.py
new file mode 100644
index 00000000..82da93e8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/fields/utils.py
@@ -0,0 +1,3 @@
+class AttributeSetter:
+    def __init__(self, name, value):
+        setattr(self, name, value)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/__init__.py
new file mode 100644
index 00000000..bb2685ec
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/__init__.py
@@ -0,0 +1,3 @@
+from .array import *  # NOQA
+from .hstore import *  # NOQA
+from .ranges import *  # NOQA
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/array.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/array.py
new file mode 100644
index 00000000..ddb022af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/array.py
@@ -0,0 +1,251 @@
+import copy
+from itertools import chain
+
+from django import forms
+from django.contrib.postgres.validators import (
+    ArrayMaxLengthValidator,
+    ArrayMinLengthValidator,
+)
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext_lazy as _
+
+from ..utils import prefix_validation_error
+
+
+class SimpleArrayField(forms.CharField):
+    default_error_messages = {
+        "item_invalid": _("Item %(nth)s in the array did not validate:"),
+    }
+
+    def __init__(
+        self, base_field, *, delimiter=",", max_length=None, min_length=None, **kwargs
+    ):
+        self.base_field = base_field
+        self.delimiter = delimiter
+        super().__init__(**kwargs)
+        if min_length is not None:
+            self.min_length = min_length
+            self.validators.append(ArrayMinLengthValidator(int(min_length)))
+        if max_length is not None:
+            self.max_length = max_length
+            self.validators.append(ArrayMaxLengthValidator(int(max_length)))
+
+    def clean(self, value):
+        value = super().clean(value)
+        return [self.base_field.clean(val) for val in value]
+
+    def prepare_value(self, value):
+        if isinstance(value, list):
+            return self.delimiter.join(
+                str(self.base_field.prepare_value(v)) for v in value
+            )
+        return value
+
+    def to_python(self, value):
+        if isinstance(value, list):
+            items = value
+        elif value:
+            items = value.split(self.delimiter)
+        else:
+            items = []
+        errors = []
+        values = []
+        for index, item in enumerate(items):
+            try:
+                values.append(self.base_field.to_python(item))
+            except ValidationError as error:
+                errors.append(
+                    prefix_validation_error(
+                        error,
+                        prefix=self.error_messages["item_invalid"],
+                        code="item_invalid",
+                        params={"nth": index + 1},
+                    )
+                )
+        if errors:
+            raise ValidationError(errors)
+        return values
+
+    def validate(self, value):
+        super().validate(value)
+        errors = []
+        for index, item in enumerate(value):
+            try:
+                self.base_field.validate(item)
+            except ValidationError as error:
+                errors.append(
+                    prefix_validation_error(
+                        error,
+                        prefix=self.error_messages["item_invalid"],
+                        code="item_invalid",
+                        params={"nth": index + 1},
+                    )
+                )
+        if errors:
+            raise ValidationError(errors)
+
+    def run_validators(self, value):
+        super().run_validators(value)
+        errors = []
+        for index, item in enumerate(value):
+            try:
+                self.base_field.run_validators(item)
+            except ValidationError as error:
+                errors.append(
+                    prefix_validation_error(
+                        error,
+                        prefix=self.error_messages["item_invalid"],
+                        code="item_invalid",
+                        params={"nth": index + 1},
+                    )
+                )
+        if errors:
+            raise ValidationError(errors)
+
+    def has_changed(self, initial, data):
+        try:
+            value = self.to_python(data)
+        except ValidationError:
+            pass
+        else:
+            if initial in self.empty_values and value in self.empty_values:
+                return False
+        return super().has_changed(initial, data)
+
+
+class SplitArrayWidget(forms.Widget):
+    template_name = "postgres/widgets/split_array.html"
+
+    def __init__(self, widget, size, **kwargs):
+        self.widget = widget() if isinstance(widget, type) else widget
+        self.size = size
+        super().__init__(**kwargs)
+
+    @property
+    def is_hidden(self):
+        return self.widget.is_hidden
+
+    def value_from_datadict(self, data, files, name):
+        return [
+            self.widget.value_from_datadict(data, files, "%s_%s" % (name, index))
+            for index in range(self.size)
+        ]
+
+    def value_omitted_from_data(self, data, files, name):
+        return all(
+            self.widget.value_omitted_from_data(data, files, "%s_%s" % (name, index))
+            for index in range(self.size)
+        )
+
+    def id_for_label(self, id_):
+        # See the comment for RadioSelect.id_for_label()
+        if id_:
+            id_ += "_0"
+        return id_
+
+    def get_context(self, name, value, attrs=None):
+        attrs = {} if attrs is None else attrs
+        context = super().get_context(name, value, attrs)
+        if self.is_localized:
+            self.widget.is_localized = self.is_localized
+        value = value or []
+        context["widget"]["subwidgets"] = []
+        final_attrs = self.build_attrs(attrs)
+        id_ = final_attrs.get("id")
+        for i in range(max(len(value), self.size)):
+            try:
+                widget_value = value[i]
+            except IndexError:
+                widget_value = None
+            if id_:
+                final_attrs = {**final_attrs, "id": "%s_%s" % (id_, i)}
+            context["widget"]["subwidgets"].append(
+                self.widget.get_context(name + "_%s" % i, widget_value, final_attrs)[
+                    "widget"
+                ]
+            )
+        return context
+
+    @property
+    def media(self):
+        return self.widget.media
+
+    def __deepcopy__(self, memo):
+        obj = super().__deepcopy__(memo)
+        obj.widget = copy.deepcopy(self.widget)
+        return obj
+
+    @property
+    def needs_multipart_form(self):
+        return self.widget.needs_multipart_form
+
+
+class SplitArrayField(forms.Field):
+    default_error_messages = {
+        "item_invalid": _("Item %(nth)s in the array did not validate:"),
+    }
+
+    def __init__(self, base_field, size, *, remove_trailing_nulls=False, **kwargs):
+        self.base_field = base_field
+        self.size = size
+        self.remove_trailing_nulls = remove_trailing_nulls
+        widget = SplitArrayWidget(widget=base_field.widget, size=size)
+        kwargs.setdefault("widget", widget)
+        super().__init__(**kwargs)
+
+    def _remove_trailing_nulls(self, values):
+        index = None
+        if self.remove_trailing_nulls:
+            for i, value in reversed(list(enumerate(values))):
+                if value in self.base_field.empty_values:
+                    index = i
+                else:
+                    break
+            if index is not None:
+                values = values[:index]
+        return values, index
+
+    def to_python(self, value):
+        value = super().to_python(value)
+        return [self.base_field.to_python(item) for item in value]
+
+    def clean(self, value):
+        cleaned_data = []
+        errors = []
+        if not any(value) and self.required:
+            raise ValidationError(self.error_messages["required"])
+        max_size = max(self.size, len(value))
+        for index in range(max_size):
+            item = value[index]
+            try:
+                cleaned_data.append(self.base_field.clean(item))
+            except ValidationError as error:
+                errors.append(
+                    prefix_validation_error(
+                        error,
+                        self.error_messages["item_invalid"],
+                        code="item_invalid",
+                        params={"nth": index + 1},
+                    )
+                )
+                cleaned_data.append(None)
+            else:
+                errors.append(None)
+        cleaned_data, null_index = self._remove_trailing_nulls(cleaned_data)
+        if null_index is not None:
+            errors = errors[:null_index]
+        errors = list(filter(None, errors))
+        if errors:
+            raise ValidationError(list(chain.from_iterable(errors)))
+        return cleaned_data
+
+    def has_changed(self, initial, data):
+        try:
+            data = self.to_python(data)
+        except ValidationError:
+            pass
+        else:
+            data, _ = self._remove_trailing_nulls(data)
+            if initial in self.empty_values and data in self.empty_values:
+                return False
+        return super().has_changed(initial, data)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/hstore.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/hstore.py
new file mode 100644
index 00000000..6a20f7b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/hstore.py
@@ -0,0 +1,59 @@
+import json
+
+from django import forms
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext_lazy as _
+
+__all__ = ["HStoreField"]
+
+
+class HStoreField(forms.CharField):
+    """
+    A field for HStore data which accepts dictionary JSON input.
+    """
+
+    widget = forms.Textarea
+    default_error_messages = {
+        "invalid_json": _("Could not load JSON data."),
+        "invalid_format": _("Input must be a JSON dictionary."),
+    }
+
+    def prepare_value(self, value):
+        if isinstance(value, dict):
+            return json.dumps(value)
+        return value
+
+    def to_python(self, value):
+        if not value:
+            return {}
+        if not isinstance(value, dict):
+            try:
+                value = json.loads(value)
+            except json.JSONDecodeError:
+                raise ValidationError(
+                    self.error_messages["invalid_json"],
+                    code="invalid_json",
+                )
+
+        if not isinstance(value, dict):
+            raise ValidationError(
+                self.error_messages["invalid_format"],
+                code="invalid_format",
+            )
+
+        # Cast everything to strings for ease.
+        for key, val in value.items():
+            if val is not None:
+                val = str(val)
+            value[key] = val
+        return value
+
+    def has_changed(self, initial, data):
+        """
+        Return True if data differs from initial.
+        """
+        # For purposes of seeing whether something has changed, None is
+        # the same as an empty dict, if the data or initial value we get
+        # is None, replace it w/ {}.
+        initial_value = self.to_python(initial)
+        return super().has_changed(initial_value, data)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/ranges.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/ranges.py
new file mode 100644
index 00000000..3017f08e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/forms/ranges.py
@@ -0,0 +1,119 @@
+from django import forms
+from django.core import exceptions
+from django.db.backends.postgresql.psycopg_any import (
+    DateRange,
+    DateTimeTZRange,
+    NumericRange,
+)
+from django.forms.widgets import HiddenInput, MultiWidget
+from django.utils.translation import gettext_lazy as _
+
+__all__ = [
+    "BaseRangeField",
+    "IntegerRangeField",
+    "DecimalRangeField",
+    "DateTimeRangeField",
+    "DateRangeField",
+    "HiddenRangeWidget",
+    "RangeWidget",
+]
+
+
+class RangeWidget(MultiWidget):
+    def __init__(self, base_widget, attrs=None):
+        widgets = (base_widget, base_widget)
+        super().__init__(widgets, attrs)
+
+    def decompress(self, value):
+        if value:
+            return (value.lower, value.upper)
+        return (None, None)
+
+
+class HiddenRangeWidget(RangeWidget):
+    """A widget that splits input into two <input type="hidden"> inputs."""
+
+    def __init__(self, attrs=None):
+        super().__init__(HiddenInput, attrs)
+
+
+class BaseRangeField(forms.MultiValueField):
+    default_error_messages = {
+        "invalid": _("Enter two valid values."),
+        "bound_ordering": _(
+            "The start of the range must not exceed the end of the range."
+        ),
+    }
+    hidden_widget = HiddenRangeWidget
+
+    def __init__(self, **kwargs):
+        if "widget" not in kwargs:
+            kwargs["widget"] = RangeWidget(self.base_field.widget)
+        if "fields" not in kwargs:
+            kwargs["fields"] = [
+                self.base_field(required=False),
+                self.base_field(required=False),
+            ]
+        kwargs.setdefault("required", False)
+        kwargs.setdefault("require_all_fields", False)
+        self.range_kwargs = {}
+        if default_bounds := kwargs.pop("default_bounds", None):
+            self.range_kwargs = {"bounds": default_bounds}
+        super().__init__(**kwargs)
+
+    def prepare_value(self, value):
+        lower_base, upper_base = self.fields
+        if isinstance(value, self.range_type):
+            return [
+                lower_base.prepare_value(value.lower),
+                upper_base.prepare_value(value.upper),
+            ]
+        if value is None:
+            return [
+                lower_base.prepare_value(None),
+                upper_base.prepare_value(None),
+            ]
+        return value
+
+    def compress(self, values):
+        if not values:
+            return None
+        lower, upper = values
+        if lower is not None and upper is not None and lower > upper:
+            raise exceptions.ValidationError(
+                self.error_messages["bound_ordering"],
+                code="bound_ordering",
+            )
+        try:
+            range_value = self.range_type(lower, upper, **self.range_kwargs)
+        except TypeError:
+            raise exceptions.ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+            )
+        else:
+            return range_value
+
+
+class IntegerRangeField(BaseRangeField):
+    default_error_messages = {"invalid": _("Enter two whole numbers.")}
+    base_field = forms.IntegerField
+    range_type = NumericRange
+
+
+class DecimalRangeField(BaseRangeField):
+    default_error_messages = {"invalid": _("Enter two numbers.")}
+    base_field = forms.DecimalField
+    range_type = NumericRange
+
+
+class DateTimeRangeField(BaseRangeField):
+    default_error_messages = {"invalid": _("Enter two valid date/times.")}
+    base_field = forms.DateTimeField
+    range_type = DateTimeTZRange
+
+
+class DateRangeField(BaseRangeField):
+    default_error_messages = {"invalid": _("Enter two valid dates.")}
+    base_field = forms.DateField
+    range_type = DateRange
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/functions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/functions.py
new file mode 100644
index 00000000..f001a04f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/functions.py
@@ -0,0 +1,11 @@
+from django.db.models import DateTimeField, Func, UUIDField
+
+
+class RandomUUID(Func):
+    template = "GEN_RANDOM_UUID()"
+    output_field = UUIDField()
+
+
+class TransactionNow(Func):
+    template = "CURRENT_TIMESTAMP"
+    output_field = DateTimeField()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/indexes.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/indexes.py
new file mode 100644
index 00000000..363a9431
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/indexes.py
@@ -0,0 +1,242 @@
+from django.db import NotSupportedError
+from django.db.models import Func, Index
+from django.utils.functional import cached_property
+
+__all__ = [
+    "BloomIndex",
+    "BrinIndex",
+    "BTreeIndex",
+    "GinIndex",
+    "GistIndex",
+    "HashIndex",
+    "SpGistIndex",
+]
+
+
+class PostgresIndex(Index):
+    @cached_property
+    def max_name_length(self):
+        # Allow an index name longer than 30 characters when the suffix is
+        # longer than the usual 3 character limit. The 30 character limit for
+        # cross-database compatibility isn't applicable to PostgreSQL-specific
+        # indexes.
+        return Index.max_name_length - len(Index.suffix) + len(self.suffix)
+
+    def create_sql(self, model, schema_editor, using="", **kwargs):
+        self.check_supported(schema_editor)
+        statement = super().create_sql(
+            model, schema_editor, using=" USING %s" % (using or self.suffix), **kwargs
+        )
+        with_params = self.get_with_params()
+        if with_params:
+            statement.parts["extra"] = " WITH (%s)%s" % (
+                ", ".join(with_params),
+                statement.parts["extra"],
+            )
+        return statement
+
+    def check_supported(self, schema_editor):
+        pass
+
+    def get_with_params(self):
+        return []
+
+
+class BloomIndex(PostgresIndex):
+    suffix = "bloom"
+
+    def __init__(self, *expressions, length=None, columns=(), **kwargs):
+        super().__init__(*expressions, **kwargs)
+        if len(self.fields) > 32:
+            raise ValueError("Bloom indexes support a maximum of 32 fields.")
+        if not isinstance(columns, (list, tuple)):
+            raise ValueError("BloomIndex.columns must be a list or tuple.")
+        if len(columns) > len(self.fields):
+            raise ValueError("BloomIndex.columns cannot have more values than fields.")
+        if not all(0 < col <= 4095 for col in columns):
+            raise ValueError(
+                "BloomIndex.columns must contain integers from 1 to 4095.",
+            )
+        if length is not None and not 0 < length <= 4096:
+            raise ValueError(
+                "BloomIndex.length must be None or an integer from 1 to 4096.",
+            )
+        self.length = length
+        self.columns = columns
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.length is not None:
+            kwargs["length"] = self.length
+        if self.columns:
+            kwargs["columns"] = self.columns
+        return path, args, kwargs
+
+    def get_with_params(self):
+        with_params = []
+        if self.length is not None:
+            with_params.append("length = %d" % self.length)
+        if self.columns:
+            with_params.extend(
+                "col%d = %d" % (i, v) for i, v in enumerate(self.columns, start=1)
+            )
+        return with_params
+
+
+class BrinIndex(PostgresIndex):
+    suffix = "brin"
+
+    def __init__(
+        self, *expressions, autosummarize=None, pages_per_range=None, **kwargs
+    ):
+        if pages_per_range is not None and pages_per_range <= 0:
+            raise ValueError("pages_per_range must be None or a positive integer")
+        self.autosummarize = autosummarize
+        self.pages_per_range = pages_per_range
+        super().__init__(*expressions, **kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.autosummarize is not None:
+            kwargs["autosummarize"] = self.autosummarize
+        if self.pages_per_range is not None:
+            kwargs["pages_per_range"] = self.pages_per_range
+        return path, args, kwargs
+
+    def get_with_params(self):
+        with_params = []
+        if self.autosummarize is not None:
+            with_params.append(
+                "autosummarize = %s" % ("on" if self.autosummarize else "off")
+            )
+        if self.pages_per_range is not None:
+            with_params.append("pages_per_range = %d" % self.pages_per_range)
+        return with_params
+
+
+class BTreeIndex(PostgresIndex):
+    suffix = "btree"
+
+    def __init__(self, *expressions, fillfactor=None, **kwargs):
+        self.fillfactor = fillfactor
+        super().__init__(*expressions, **kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.fillfactor is not None:
+            kwargs["fillfactor"] = self.fillfactor
+        return path, args, kwargs
+
+    def get_with_params(self):
+        with_params = []
+        if self.fillfactor is not None:
+            with_params.append("fillfactor = %d" % self.fillfactor)
+        return with_params
+
+
+class GinIndex(PostgresIndex):
+    suffix = "gin"
+
+    def __init__(
+        self, *expressions, fastupdate=None, gin_pending_list_limit=None, **kwargs
+    ):
+        self.fastupdate = fastupdate
+        self.gin_pending_list_limit = gin_pending_list_limit
+        super().__init__(*expressions, **kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.fastupdate is not None:
+            kwargs["fastupdate"] = self.fastupdate
+        if self.gin_pending_list_limit is not None:
+            kwargs["gin_pending_list_limit"] = self.gin_pending_list_limit
+        return path, args, kwargs
+
+    def get_with_params(self):
+        with_params = []
+        if self.gin_pending_list_limit is not None:
+            with_params.append(
+                "gin_pending_list_limit = %d" % self.gin_pending_list_limit
+            )
+        if self.fastupdate is not None:
+            with_params.append("fastupdate = %s" % ("on" if self.fastupdate else "off"))
+        return with_params
+
+
+class GistIndex(PostgresIndex):
+    suffix = "gist"
+
+    def __init__(self, *expressions, buffering=None, fillfactor=None, **kwargs):
+        self.buffering = buffering
+        self.fillfactor = fillfactor
+        super().__init__(*expressions, **kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.buffering is not None:
+            kwargs["buffering"] = self.buffering
+        if self.fillfactor is not None:
+            kwargs["fillfactor"] = self.fillfactor
+        return path, args, kwargs
+
+    def get_with_params(self):
+        with_params = []
+        if self.buffering is not None:
+            with_params.append("buffering = %s" % ("on" if self.buffering else "off"))
+        if self.fillfactor is not None:
+            with_params.append("fillfactor = %d" % self.fillfactor)
+        return with_params
+
+
+class HashIndex(PostgresIndex):
+    suffix = "hash"
+
+    def __init__(self, *expressions, fillfactor=None, **kwargs):
+        self.fillfactor = fillfactor
+        super().__init__(*expressions, **kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.fillfactor is not None:
+            kwargs["fillfactor"] = self.fillfactor
+        return path, args, kwargs
+
+    def get_with_params(self):
+        with_params = []
+        if self.fillfactor is not None:
+            with_params.append("fillfactor = %d" % self.fillfactor)
+        return with_params
+
+
+class SpGistIndex(PostgresIndex):
+    suffix = "spgist"
+
+    def __init__(self, *expressions, fillfactor=None, **kwargs):
+        self.fillfactor = fillfactor
+        super().__init__(*expressions, **kwargs)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.fillfactor is not None:
+            kwargs["fillfactor"] = self.fillfactor
+        return path, args, kwargs
+
+    def get_with_params(self):
+        with_params = []
+        if self.fillfactor is not None:
+            with_params.append("fillfactor = %d" % self.fillfactor)
+        return with_params
+
+    def check_supported(self, schema_editor):
+        if (
+            self.include
+            and not schema_editor.connection.features.supports_covering_spgist_indexes
+        ):
+            raise NotSupportedError("Covering SP-GiST indexes require PostgreSQL 14+.")
+
+
+class OpClass(Func):
+    template = "%(expressions)s %(name)s"
+
+    def __init__(self, expression, name):
+        super().__init__(expression, name=name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/jinja2/postgres/widgets/split_array.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/jinja2/postgres/widgets/split_array.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/jinja2/postgres/widgets/split_array.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..483338d3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/af/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4ebf5dd4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,104 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2019-2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Afrikaans (http://www.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-uitbreidings"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Item %(nth)s in die skikking kon nie valideer nie:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Geneste skikkings moet dieselfde lengte hê."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Woordeboek van stringe na stringe/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Die waarde “%(key)s” is nie 'n string of null nie."
+
+msgid "Could not load JSON data."
+msgstr "Kon nie JSON-data laai nie."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Toevoer moet 'n JSON-woordeboek wees."
+
+msgid "Enter two valid values."
+msgstr "Gee twee geldige waardes."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Die begin van die omvang mag nie die einde van die omvang oorskry nie."
+
+msgid "Enter two whole numbers."
+msgstr "Tik twee heelgetalle in."
+
+msgid "Enter two numbers."
+msgstr "Tik twee getalle in."
+
+msgid "Enter two valid date/times."
+msgstr "Tik twee geldige datum/tydwaardes in."
+
+msgid "Enter two valid dates."
+msgstr "Tik twee geldige datums in."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lys bevat %(show_value)d item, maar moet hoogstens %(limit_value)d bevat."
+msgstr[1] ""
+"Lys bevat %(show_value)d items, maar moet hoogstens %(limit_value)d bevat."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lys bevat %(show_value)d item, maar moet minstens %(limit_value)d bevat."
+msgstr[1] ""
+"Lys bevat %(show_value)d items, maar moet minstens %(limit_value)d bevat."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Sommige sleutels het ontbreek: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Sommige onbekende sleutels is voorsien: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Maak seker dat dié omvang heeltemal kleiner of gelyk is aan %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Maak seker dat dié omvang heeltemal groter of gelyk is aan %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e5e383d6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5e0aad73
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,131 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2015-2017
+# Muaaz Alsaied, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "ملحقات PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "العنصر %(nth)s في المتسلسلة لم يحقق التالي: "
+
+msgid "Nested arrays must have the same length."
+msgstr "يجب أن تكون المجموعات المتداخلة بنفس الطول."
+
+msgid "Map of strings to strings/nulls"
+msgstr "ترابط strings بـ strings/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "قيمة \"%(key)s\" ليست string أو null."
+
+msgid "Could not load JSON data."
+msgstr "لا يمكن عرض بيانات JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "المُدخل يجب أن يكون بصيغة بصيغة قاموس JSON."
+
+msgid "Enter two valid values."
+msgstr "إدخال قيمتين صالحتين."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "بداية المدى يجب ألا تتجاوز نهاية المدى."
+
+msgid "Enter two whole numbers."
+msgstr "أدخل رقمين كاملين."
+
+msgid "Enter two numbers."
+msgstr "أدخل رقمين."
+
+msgid "Enter two valid date/times."
+msgstr "أدخل تاريخين/وقتين صحيحين."
+
+msgid "Enter two valid dates."
+msgstr "أدخل تاريخين صحيحين."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[1] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[2] ""
+"القائمة تحتوي على %(show_value)d عنصرين, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[3] ""
+"القائمة تحتوي على %(show_value)d عناصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[4] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[5] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[1] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[2] ""
+"القائمة تحتوي على %(show_value)d عنصرين, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[3] ""
+"القائمة تحتوي على %(show_value)d عناصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[4] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[5] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "بعض المفاتيح مفقودة: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "بعض المفاتيح المزوّدة غير معرّفه: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "تأكد من أن هذا المدى أقل من أو يساوي %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "تأكد من أن هذا المدى أكثر من أو يساوي %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cd38cf91
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar_DZ/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..87021fe5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,131 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "ملحقات PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "العنصر %(nth)s في المجموعة لم يتم التحقق منه: "
+
+msgid "Nested arrays must have the same length."
+msgstr "يجب أن تكون المجموعات المتداخلة بنفس الطول."
+
+msgid "Map of strings to strings/nulls"
+msgstr "خريطة السلاسل إلى سلاسل / بلا قيم"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "قيمة \\\"%(key)s\\\" ليست سلسلة أو بلا قيمة."
+
+msgid "Could not load JSON data."
+msgstr "لا يمكن عرض بيانات JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "المُدخل يجب أن يكون بصيغة بصيغة قاموس JSON."
+
+msgid "Enter two valid values."
+msgstr "إدخال قيمتين صالحتين."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "بداية المدى يجب ألا تتجاوز نهاية المدى."
+
+msgid "Enter two whole numbers."
+msgstr "أدخل رقمين كاملين."
+
+msgid "Enter two numbers."
+msgstr "أدخل رقمين."
+
+msgid "Enter two valid date/times."
+msgstr "أدخل تاريخين/وقتين صحيحين."
+
+msgid "Enter two valid dates."
+msgstr "أدخل تاريخين صحيحين."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[1] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[2] ""
+"القائمة تحتوي على %(show_value)d عنصرين, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[3] ""
+"القائمة تحتوي على %(show_value)d عناصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[4] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+msgstr[5] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أكثر من "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[1] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[2] ""
+"القائمة تحتوي على %(show_value)d عنصرين, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[3] ""
+"القائمة تحتوي على %(show_value)d عناصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[4] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+msgstr[5] ""
+"القائمة تحتوي على %(show_value)d عنصر, يجب أن لا تحتوي على أقل من "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "بعض المفاتيح مفقودة: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "بعض المفاتيح المزوّدة غير معرّفه: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "تأكد من أن هذا المدى أقل من أو يساوي %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "تأكد من أن هذا المدى أكثر من أو يساوي %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..97350a20
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/az/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..418da3a0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,102 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Emin Mastizada <emin@linux.com>, 2018,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL uzantıları"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Array-dəki %(nth)s element təsdiqlənə bilmir:"
+
+msgid "Nested arrays must have the same length."
+msgstr "İç-içə array-lərin uzunluğu eyni olmalıdır."
+
+msgid "Map of strings to strings/nulls"
+msgstr "String-lərin string/null-lara xəritələnmə cədvəli"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "“%(key)s” dəyəri string və ya null deyil."
+
+msgid "Could not load JSON data."
+msgstr "JSON məlumat yüklənə bilmir."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Giriş JSON lüğət olmalıdır."
+
+msgid "Enter two valid values."
+msgstr "İki düzgün dəyər daxil edin."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Aralığın başlanğıcı bitişindən böyük ola bilməz."
+
+msgid "Enter two whole numbers."
+msgstr "İki tam rəqəm daxil edin."
+
+msgid "Enter two numbers."
+msgstr "İki rəqəm daxil edin."
+
+msgid "Enter two valid date/times."
+msgstr "İki düzgün tarix/vaxt daxil edin."
+
+msgid "Enter two valid dates."
+msgstr "İki düzgün tarix daxil edin."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Siyahıda %(show_value)d element var, ən çox %(limit_value)d ola bilər."
+msgstr[1] ""
+"Siyahıda %(show_value)d element var, ən çox %(limit_value)d ola bilər."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Siyahıda %(show_value)d element var, ən az %(limit_value)d ola bilər."
+msgstr[1] ""
+"Siyahıda %(show_value)d element var, ən az %(limit_value)d ola bilər."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Bəzi açarlar əksikdir: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Bəzi bilinməyən açarlar təchiz edilib: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Bu aralığın %(limit_value)s və ya daha az olduğuna əmin olun."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Bu aralığın %(limit_value)s və ya daha böyük olduğuna əmin olun."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cf342c70
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/be/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6cafe79d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,120 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2015
+# znotdead <zhirafchik@gmail.com>, 2016-2017,2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: znotdead <zhirafchik@gmail.com>, 2016-2017,2019,2023\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Пашырэнні PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Элемент масіву нумар %(nth)s не прайшоў праверкі:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Укладзенныя масівы павінны мець аднолькавую даўжыню."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Адпаведнасць радкоў у радкі/нулі"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Значэнне “%(key)s” не з'яўляецца радком ці null."
+
+msgid "Could not load JSON data."
+msgstr "Не атрымалася загрузіць дадзеныя JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Значэнне павінна быць JSON слоўнікам. "
+
+msgid "Enter two valid values."
+msgstr "Увядзіце два сапраўдных значэнні."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Пачатак дыяпазону не павінен перавышаць канец дыяпазону."
+
+msgid "Enter two whole numbers."
+msgstr "Увядзіце два цэлых лікі."
+
+msgid "Enter two numbers."
+msgstr "Увядзіце два лікі."
+
+msgid "Enter two valid date/times."
+msgstr "Увядзіце дзве/два сапраўдных даты/часу."
+
+msgid "Enter two valid dates."
+msgstr "Увядзіце дзве сапраўдных даты."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Спіс мае %(show_value)d элемент, ён павінен мець не болей чым "
+"%(limit_value)d."
+msgstr[1] ""
+"Спіс мае %(show_value)d элемента, ён павінен мець не болей чым "
+"%(limit_value)d."
+msgstr[2] ""
+"Спіс мае %(show_value)d элементаў, ён павінен мець не болей чым "
+"%(limit_value)d."
+msgstr[3] ""
+"Спіс мае %(show_value)d элементаў, ён павінен мець не болей чым "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Спіс мае %(show_value)d элемент, ён павінен мець не менш чым %(limit_value)d."
+msgstr[1] ""
+"Спіс мае %(show_value)d элемента, ён павінен мець не менш чым "
+"%(limit_value)d."
+msgstr[2] ""
+"Спіс мае %(show_value)d элементаў, ён павінен мець не менш чым "
+"%(limit_value)d."
+msgstr[3] ""
+"Спіс мае %(show_value)d элементаў, ён павінен мець не менш чым "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Не хапае нейкіх ключоў: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Дадзены нейкія невядомыя ключы: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Пераканайцеся, што верхняя мяжа дыяпазону не перавышае %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Пераканайцеся, што ніжняя мяжа дыяпазону не менш за %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6a39b641
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/bg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1b25e0a6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,110 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# arneatec <arneatec@gmail.com>, 2022-2023
+# Todor Lubenov <tlubenov@gmail.com>, 2015
+# Venelin Stoykov <vkstoykov@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: arneatec <arneatec@gmail.com>, 2022-2023\n"
+"Language-Team: Bulgarian (http://app.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL разширения"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Елемент %(nth)s в масива не се валидира:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Вложените масиви трябва да имат еднаква дължина."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Мап от стрингове към стрингове/null-ове"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Стойността на “%(key)s” не е стринг или null."
+
+msgid "Could not load JSON data."
+msgstr "Не можа да зареди JSON данни."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Входните данни трябва да са JSON речник."
+
+msgid "Enter two valid values."
+msgstr "Въведете две валидни стойности."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Началото на обхвата не трябва да превишава края му."
+
+msgid "Enter two whole numbers."
+msgstr "Въведете две цели числа."
+
+msgid "Enter two numbers."
+msgstr "Въведете две числа."
+
+msgid "Enter two valid date/times."
+msgstr "Въведете две валидни дати/времена."
+
+msgid "Enter two valid dates."
+msgstr "Въведете две коректни дати."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Списъкът съдържа %(show_value)d елемент, а трябва да има не повече от "
+"%(limit_value)d."
+msgstr[1] ""
+"Списъкът съдържа %(show_value)d елемента, а трябва да има не повече от "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Списъкът съдържа %(show_value)d елемент, а трябва да има поне "
+"%(limit_value)d."
+msgstr[1] ""
+"Списъкът съдържа %(show_value)d елемента, а трябва да има поне "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Някои ключове липсват: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Бяха предоставени някои неизвестни ключове: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Уверете се, че горната граница на диапазона не е по-голяма от "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Уверете се, че горната граница на диапазона не е по-малка от %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3de632fc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ca/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..52d90b87
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,112 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2015,2017
+# duub qnnp, 2015
+# Gil Obradors Via <gil.obradors@gmail.com>, 2019
+# Manel Clos <manelclos@gmail.com>, 2020
+# Roger Pons <rogerpons@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensions de PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "L'element %(nth)s de la matriu no s'ha pogut validar:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Les matrius niades han de tenir la mateixa longitud."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapa de cadenes a cadenes/nuls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "El valor de \"%(key)s\" no és ni una cadena ni un nul."
+
+msgid "Could not load JSON data."
+msgstr "No es poden carregar les dades JSON"
+
+msgid "Input must be a JSON dictionary."
+msgstr "L'entrada ha de ser un diccionari JSON"
+
+msgid "Enter two valid values."
+msgstr "Introdueixi dos valors vàlids."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "L'inici del rang no pot excedir el seu final."
+
+msgid "Enter two whole numbers."
+msgstr "Introduïu dos números enters positius."
+
+msgid "Enter two numbers."
+msgstr "Introduïu dos números."
+
+msgid "Enter two valid date/times."
+msgstr "Introduïu dues data/hora vàlides."
+
+msgid "Enter two valid dates."
+msgstr "Introduïu dos dates vàlides."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"La llista conté %(show_value)d element, no n'hauria de tenir més de "
+"%(limit_value)d."
+msgstr[1] ""
+"La llista conté %(show_value)d elements, no n'hauria de tenir més de "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"La llista conté %(show_value)d element, no n'hauria de contenir menys de "
+"%(limit_value)d."
+msgstr[1] ""
+"La llista conté %(show_value)d elements, no n'hauria de contenir menys de "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Algunes claus no hi són: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "S'han facilitat claus desconegudes: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Asseguri's que aquest rang és completament menor o igual a %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Asseguri's que aquest rang és completament major o igual a %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e5b798fb
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ckb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..35664e99
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,101 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Swara <swara09@gmail.com>, 2022,2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2024-01-19 09:22+0000\n"
+"Last-Translator: Swara <swara09@gmail.com>, 2022,2024\n"
+"Language-Team: Central Kurdish (http://app.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "پێوەکراوەکانی PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "بڕگەی%(nth)s لەناو ڕیزەکەدا پشتڕاست نەکراوەتەوە:"
+
+msgid "Nested arrays must have the same length."
+msgstr "ڕیزی هێلانەکراو دەبێت هەمان درێژی هەبێت."
+
+msgid "Map of strings to strings/nulls"
+msgstr "نەخشەی ده‌قه‌ڕیزبه‌ندەکان بۆ دەقەڕیزبەندەکان/بەتاڵەکان"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "بەهای “%(key)s” نە دەقەڕیزبەندە نە بەتاڵ."
+
+msgid "Could not load JSON data."
+msgstr "نەتوانرا داتاکانی JSON باربکرێت."
+
+msgid "Input must be a JSON dictionary."
+msgstr "دەرخواردە دەبێت فەرهەنگی JSON بێت."
+
+msgid "Enter two valid values."
+msgstr "دوو بەهای دروست بنوسە."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "نابێت سەرەتای ڕێژەکە لە کۆتایی ڕێژەکە زیاتر بێت."
+
+msgid "Enter two whole numbers."
+msgstr "دوو ژمارەی تەواو بنوسە."
+
+msgid "Enter two numbers."
+msgstr "دوو ژمارە بنوسە."
+
+msgid "Enter two valid date/times."
+msgstr "دوو بەروار/کاتی دروست بنوسە."
+
+msgid "Enter two valid dates."
+msgstr "دوو بەرواری دروست بنوسە."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"لیست پێکدێت لە %(show_value)d بڕگە، دەبێت زیاتر نەبێت لە %(limit_value)d."
+msgstr[1] ""
+"لیست پێکدێت لە %(show_value)d بڕگە، دەبێت زیاتر نەبێت لە %(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"لیست پێکدێت لە %(show_value)d بڕگە، دەبێت کەمتر نەبێت لە %(limit_value)d."
+msgstr[1] ""
+"لیست پێکدێت لە %(show_value)d بڕگە، دەبێت کەمتر نەبێت لە %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "هەندێک کلیل نەمابوون: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "هەندێک کلیلی نەناسراو دابین کران: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "دڵنیابە لەوەی کە سنووری سەرەوەی ڕێژەکە زیاتر نییە لە %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "دڵنیابە لەوەی کە سنووری خوارەوەی ڕێژەکە کەمتر نییە لە %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a56d0b4e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/cs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6a3c9d1d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,119 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Tomáš Ehrlich <tomas.ehrlich@gmail.com>, 2015
+# Vláďa Macek <macek@sandbox.cz>, 2015-2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Rozšíření pro PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Položka č. %(nth)s v seznamu je neplatná:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Vnořená pole musejí mít stejnou délku."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapování řetězců na řetězce či hodnoty NULL"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Hodnota s klíčem \"%(key)s\" není řetězec ani NULL."
+
+msgid "Could not load JSON data."
+msgstr "Data typu JSON nelze načíst."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Vstup musí být slovník formátu JSON."
+
+msgid "Enter two valid values."
+msgstr "Zadejte dvě platné hodnoty."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Počáteční hodnota rozsahu nemůže být vyšší než koncová hodnota."
+
+msgid "Enter two whole numbers."
+msgstr "Zadejte dvě celá čísla."
+
+msgid "Enter two numbers."
+msgstr "Zadejte dvě čísla."
+
+msgid "Enter two valid date/times."
+msgstr "Zadejte dvě platné hodnoty data nebo času."
+
+msgid "Enter two valid dates."
+msgstr "Zadejte dvě platná data."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Seznam obsahuje %(show_value)d položku, ale neměl by obsahovat více než "
+"%(limit_value)d."
+msgstr[1] ""
+"Seznam obsahuje %(show_value)d položky, ale neměl by obsahovat více než "
+"%(limit_value)d."
+msgstr[2] ""
+"Seznam obsahuje %(show_value)d položek, ale neměl by obsahovat více než "
+"%(limit_value)d."
+msgstr[3] ""
+"Seznam obsahuje %(show_value)d položek, ale neměl by obsahovat více než "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Seznam obsahuje %(show_value)d položku, ale neměl by obsahovat méně než "
+"%(limit_value)d."
+msgstr[1] ""
+"Seznam obsahuje %(show_value)d položky, ale neměl by obsahovat méně než "
+"%(limit_value)d."
+msgstr[2] ""
+"Seznam obsahuje %(show_value)d položek, ale neměl by obsahovat méně než "
+"%(limit_value)d."
+msgstr[3] ""
+"Seznam obsahuje %(show_value)d položek, ale neměl by obsahovat méně než "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Některé klíče chybí: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Byly zadány neznámé klíče: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Nejvyšší hodnota rozsahu musí být menší nebo rovna %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Nejnižší hodnota rozsahu musí být větší nebo rovna %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..79917042
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/da/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..268fd757
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,106 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2023
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2015-2020
+# valberg <valberg@orn.li>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2023\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-udvidelser"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Element %(nth)s i array'et blev ikke valideret:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Indlejrede arrays skal have den samme længde."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Afbildning fra strenge til strenge/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Værdien af “%(key)s” er ikke en streng eller null."
+
+msgid "Could not load JSON data."
+msgstr "Kunne ikke indlæse JSON-data."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Input skal være et JSON-dictionary."
+
+msgid "Enter two valid values."
+msgstr "Indtast to gyldige værdier."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Starten af intervallet kan ikke overstige slutningen af intervallet."
+
+msgid "Enter two whole numbers."
+msgstr "Indtast to heltal."
+
+msgid "Enter two numbers."
+msgstr "Indtast to tal."
+
+msgid "Enter two valid date/times."
+msgstr "Indtast to gyldige dato/tider."
+
+msgid "Enter two valid dates."
+msgstr "Indtast to gyldige datoer."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listen indeholder %(show_value)d element, en bør ikke indeholde mere end "
+"%(limit_value)d."
+msgstr[1] ""
+"Listen indeholder %(show_value)d elementer, den bør ikke indeholde mere end "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listen indeholder %(show_value)d element, den bør ikke indeholde mindre end "
+"%(limit_value)d."
+msgstr[1] ""
+"Listen indeholder %(show_value)d elementer, den bør ikke indeholde mindre "
+"end %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Nøgler mangler: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Ukendte nøgler angivet: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "Intervallets øvre grænse må ikke være større end %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Intervallets nedre grænse må ikke være mindre end %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8f40b1c6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6114f47b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,111 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Florian Apolloner <florian@apolloner.eu>, 2023
+# Jannis Leidel <jannis@leidel.info>, 2015-2018,2020
+# Jens Neuhaus <kontakt@jensneuhaus.de>, 2016
+# Markus Holtermann <info@markusholtermann.eu>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Florian Apolloner <florian@apolloner.eu>, 2023\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-Erweiterungen"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Element %(nth)s im Array konnte nicht validiert werden:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Verschachtelte Arrays müssen die gleiche Länge haben."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Zuordnung von Zeichenketten zu Zeichenketten/NULLs"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Der Wert für „%(key)s“ ist keine Zeichenkette oder NULL."
+
+msgid "Could not load JSON data."
+msgstr "Konnte JSON-Daten nicht laden."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Eingabe muss ein JSON-Dictionary sein."
+
+msgid "Enter two valid values."
+msgstr "Bitte zwei gültige Werte eingeben."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Der Anfang des Wertbereichs darf nicht das Ende überschreiten."
+
+msgid "Enter two whole numbers."
+msgstr "Bitte zwei ganze Zahlen eingeben."
+
+msgid "Enter two numbers."
+msgstr "Bitte zwei Zahlen eingeben."
+
+msgid "Enter two valid date/times."
+msgstr "Bitte zwei gültige Datum/Uhrzeit-Werte eingeben."
+
+msgid "Enter two valid dates."
+msgstr "Bitte zwei gültige Kalenderdaten eingeben."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Liste enthält %(show_value)d Element, es sollte aber nicht mehr als "
+"%(limit_value)d enthalten."
+msgstr[1] ""
+"Liste enthält %(show_value)d Elemente, es sollte aber nicht mehr als "
+"%(limit_value)d enthalten."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Liste enthält %(show_value)d Element, es sollte aber nicht weniger als "
+"%(limit_value)d enthalten."
+msgstr[1] ""
+"Liste enthält %(show_value)d Elemente, es sollte aber nicht weniger als "
+"%(limit_value)d enthalten."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Einige Werte fehlen: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Einige unbekannte Werte wurden eingegeben: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Bitte sicherstellen, dass die obere Grenze des Bereichs nicht größer als "
+"%(limit_value)s ist."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Bitte sicherstellen, dass die untere Grenze des Bereichs nicht kleiner als "
+"%(limit_value)s ist."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d3902b90
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b1659050
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,118 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016-2018,2020,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>, 2016-2018,2020,2023\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Rozšyrjenja PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Zapisk %(nth)sw pólnej wariabli njejo se wobkšuśił:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Zakašćikowane pólne wariable muse tu samsku dłujkosć měś."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Konwertěrowanje znamuškowych rjeśazkow do znamuškowych rjeśazkow/nulow"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Gódnota „%(key)s“ njejo znamuškowy rjeśazk abo null."
+
+msgid "Could not load JSON data."
+msgstr "JSON-daty njejsu se zacytowaś dali."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Zapódaśe musy JSON-słownik byś."
+
+msgid "Enter two valid values."
+msgstr "Zapódajśo dwě płaśiwej gódnośe."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Zachopjeńk wobcerka njesmějo kóńc wobcerka pśekšocyś."
+
+msgid "Enter two whole numbers."
+msgstr "Zapódajśo dwě cełej licbje."
+
+msgid "Enter two numbers."
+msgstr "Zapódajśo dwě licbje."
+
+msgid "Enter two valid date/times."
+msgstr "Zapódajśo dwě płaśiwej datowej/casowej pódaśi."
+
+msgid "Enter two valid dates."
+msgstr "Zapódajśo dwě płaśiwej datowej pódaśi."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lisćina wopśimujo %(show_value)d element, wóna njeby dejała wěcej ako "
+"%(limit_value)d wopśimowaś."
+msgstr[1] ""
+"Lisćina wopśimujo %(show_value)d elementa, wóna njeby dejała wěcej ako "
+"%(limit_value)d wopśimowaś."
+msgstr[2] ""
+"Lisćina wopśimujo %(show_value)d elementy, wóna njeby dejała wěcej ako "
+"%(limit_value)d wopśimowaś."
+msgstr[3] ""
+"Lisćina wopśimujo %(show_value)d elementow, wóna njeby dejała wěcej ako "
+"%(limit_value)d wopśimowaś."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lisćina wopśimujo %(show_value)d element, wóna njeby dejała mjenjej ako "
+"%(limit_value)d wopśimowaś."
+msgstr[1] ""
+"Lisćina wopśimujo %(show_value)d elementa, wóna njeby dejała mjenjej ako "
+"%(limit_value)d wopśimowaś."
+msgstr[2] ""
+"Lisćina wopśimujo %(show_value)d elementy, wóna njeby dejała mjenjej ako "
+"%(limit_value)d wopśimowaś."
+msgstr[3] ""
+"Lisćina wopśimujo %(show_value)d elementow, wóna njeby dejała mjenjej ako "
+"%(limit_value)d wopśimowaś."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Někotare kluce feluju: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Někotare njeznate kluce su se pódali: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "Zawěsććo, až górna granica wobceŕka njejo wětša ako %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Zawěsććo, až dolna granica wobceŕka njejo mjeńša ako %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..baa62cef
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5996c4e1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,111 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fotis Athineos <fotis@transifex.com>, 2021
+# Giannis Meletakis <meletakis@gmail.com>, 2015
+# Nick Mavrakis <mavrakis.n@gmail.com>, 2017-2018
+# Nick Mavrakis <mavrakis.n@gmail.com>, 2016
+# Pãnoș <panos.laganakos@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2021-08-04 06:26+0000\n"
+"Last-Translator: Fotis Athineos <fotis@transifex.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Επεκτάσεις της PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "To στοιχείο %(nth)s στον πίνακα δεν είναι έγκυρο:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Οι ένθετοι πίνακες πρέπει να έχουν το ίδιο μήκος."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Αντιστοίχιση strings σε strings/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Η τιμή του “%(key)s“ δεν είναι string ή null."
+
+msgid "Could not load JSON data."
+msgstr "Αδύνατη η φόρτωση των δεδομένων JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Το input πρέπει να είναι ένα έγκυρο JSON dictionary."
+
+msgid "Enter two valid values."
+msgstr "Εισάγετε δύο έγκυρες τιμές."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Η αρχή του range δεν πρέπει να ξεπερνά το τέλος του range."
+
+msgid "Enter two whole numbers."
+msgstr "Εισάγετε δυο ολόκληρους αριθμούς."
+
+msgid "Enter two numbers."
+msgstr "Εισάγετε δυο αριθμούς."
+
+msgid "Enter two valid date/times."
+msgstr "Εισάγετε δύο έγκυρες ημερομηνίες/ώρες."
+
+msgid "Enter two valid dates."
+msgstr "Εισάγετε δυο έγκυρες ημερομηνίες."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Η λίστα περιέχει %(show_value)d στοιχείο και δεν πρέπει να περιέχει πάνω από "
+"%(limit_value)d."
+msgstr[1] ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Η λίστα περιέχει %(show_value)d στοιχεία και δεν πρέπει να περιέχει λιγότερα "
+"από %(limit_value)d."
+msgstr[1] ""
+"Η λίστα περιέχει %(show_value)d στοιχεία και δεν πρέπει να περιέχει λιγότερα "
+"από %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Έλειπαν μερικά κλειδιά: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Δόθηκαν μέρικά άγνωστα κλειδιά: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Βεβαιωθείτε ότι το range είναι αυστηρά μικρότερο ή ίσο από %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Βεβαιωθείτε ότι το range είναι αυστηρά μεγαλύτερο ή ίσο από %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..eaf0ad73
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,114 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2015-01-18 20:56+0100\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: contrib/postgres/apps.py:54
+msgid "PostgreSQL extensions"
+msgstr ""
+
+#: contrib/postgres/fields/array.py:21 contrib/postgres/forms/array.py:17
+#: contrib/postgres/forms/array.py:185
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+#: contrib/postgres/fields/array.py:22
+msgid "Nested arrays must have the same length."
+msgstr ""
+
+#: contrib/postgres/fields/hstore.py:15
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#: contrib/postgres/fields/hstore.py:17
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+#: contrib/postgres/forms/hstore.py:17
+msgid "Could not load JSON data."
+msgstr ""
+
+#: contrib/postgres/forms/hstore.py:18
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+#: contrib/postgres/forms/ranges.py:42
+msgid "Enter two valid values."
+msgstr ""
+
+#: contrib/postgres/forms/ranges.py:44
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+#: contrib/postgres/forms/ranges.py:99
+msgid "Enter two whole numbers."
+msgstr ""
+
+#: contrib/postgres/forms/ranges.py:105
+msgid "Enter two numbers."
+msgstr ""
+
+#: contrib/postgres/forms/ranges.py:111
+msgid "Enter two valid date/times."
+msgstr ""
+
+#: contrib/postgres/forms/ranges.py:117
+msgid "Enter two valid dates."
+msgstr ""
+
+#: contrib/postgres/validators.py:15
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/postgres/validators.py:25
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#: contrib/postgres/validators.py:38
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#: contrib/postgres/validators.py:39
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#: contrib/postgres/validators.py:81
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+
+#: contrib/postgres/validators.py:90
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1ac0ada4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cdae8553
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,109 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Tom Fifield <tom@tomfifield.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2021-04-11 13:16+0000\n"
+"Last-Translator: Tom Fifield <tom@tomfifield.net>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/django/django/"
+"language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL extensions"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Item %(nth)s in the array did not validate:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Nested arrays must have the same length."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Map of strings to strings/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "The value of “%(key)s” is not a string or null."
+
+msgid "Could not load JSON data."
+msgstr "Could not load JSON data."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Input must be a JSON dictionary."
+
+msgid "Enter two valid values."
+msgstr "Enter two valid values."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "The start of the range must not exceed the end of the range."
+
+msgid "Enter two whole numbers."
+msgstr "Enter two whole numbers."
+
+msgid "Enter two numbers."
+msgstr "Enter two numbers."
+
+msgid "Enter two valid date/times."
+msgstr "Enter two valid date/times."
+
+msgid "Enter two valid dates."
+msgstr "Enter two valid dates."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgstr[1] ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[1] ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Some keys were missing: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Some unknown keys were provided: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2126b261
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e21c5a79
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,109 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Baptiste Darthenay <baptiste+transifex@darthenay.fr>, 2015-2017,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL kromaĵoj"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Elemento %(nth)s en la tabelo ne estas valida:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Ingitaj tabeloj devas havi la saman grandon."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Kongruo de signoĉenoj al signoĉenoj/nulvaloroj"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "Malsukcesis ŝarĝi la JSON datumojn."
+
+msgid "Input must be a JSON dictionary."
+msgstr "La enigo devas esti JSON vortaro."
+
+msgid "Enter two valid values."
+msgstr "Enigu du validajn valorojn."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "La komenco de la intervalo ne devas superi la finon de la intervalo."
+
+msgid "Enter two whole numbers."
+msgstr "Enigu du entjeroj."
+
+msgid "Enter two numbers."
+msgstr "Enigu du nombroj."
+
+msgid "Enter two valid date/times."
+msgstr "Enigu du validajn dato/horojn."
+
+msgid "Enter two valid dates."
+msgstr "Enigu du validajn datojn."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"La listo enhavas %(show_value)d eron, kaj ne devas enhavi pli ol "
+"%(limit_value)d."
+msgstr[1] ""
+"La listo enhavas %(show_value)d erojn, kaj ne devas enhavi pli ol "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"La listo enhavas %(show_value)d erojn, kaj devas enhavi pli ol "
+"%(limit_value)d."
+msgstr[1] ""
+"La listo enhavas %(show_value)d erojn, kaj devas enhavi pli ol "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Kelkaj ŝlosiloj mankas: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Kelkaj nekonataj ŝlosiloj estis provizitaj: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Bv kontroli, ke la tuta intervalo estas malpli alta aŭ egala al "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Bv kontroli, ke la tuta intervalo estas pli alta aŭ egala al %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..120367bb
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7af29edc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,121 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2015,2017
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2015
+# Ignacio José Lizarán Rus <ilizaran@gmail.com>, 2019
+# Igor Támara <igor@tamarapatino.org>, 2015
+# Pablo, 2015
+# Uriel Medina <urimeba511@gmail.com>, 2020,2023
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>, 2020,2023\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensiones de PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "El elemento %(nth)s del arreglo no se pudo validar:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Los arreglos anidados deben tener la misma longitud."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapa de cadenas a cadenas/nulos"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "El valor de “%(key)s” no es una cadena ni es nulo."
+
+msgid "Could not load JSON data."
+msgstr "No se pududieron cargar los datos JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "La entrada debe ser un diccionario JSON"
+
+msgid "Enter two valid values."
+msgstr "Introduzca dos valores válidos."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "El comienzo del rango no puede exceder su final."
+
+msgid "Enter two whole numbers."
+msgstr "Ingrese dos números enteros."
+
+msgid "Enter two numbers."
+msgstr "Ingrese dos números."
+
+msgid "Enter two valid date/times."
+msgstr "Ingrese dos fechas/horas válidas."
+
+msgid "Enter two valid dates."
+msgstr "Ingrese dos fechas válidas."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d elemento, no debería contener más de "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d elementos, no debería contener más de "
+"%(limit_value)d."
+msgstr[2] ""
+"La lista contiene %(show_value)d elementos, no debería contener más de "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d elemento, no debería contener menos de "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d elementos, no debería contener menos de "
+"%(limit_value)d."
+msgstr[2] ""
+"La lista contiene %(show_value)d elementos, no debería contener menos de "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Faltan algunas claves: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Se facilitaron algunas claves desconocidas: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Asegúrese de que el límite superior del rango no sea mayor que "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Asegúrese de que el límite inferior del rango no sea inferior a "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fa3e3bd7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_AR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..81256965
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,115 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ramiro Morales, 2015-2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Ramiro Morales, 2015-2019,2023\n"
+"Language-Team: Spanish (Argentina) (http://app.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensiones PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "La validación del ítem %(nth)s del arreglo falló:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Los arreglos anidados deben ser de la misma longitud."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapa de cadenas a cadenas/nulos"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "El valor de \"%(key)s” no es una cadena o nulo."
+
+msgid "Could not load JSON data."
+msgstr "No se han podido cargar los datos JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "debe ser un diccionario JSON."
+
+msgid "Enter two valid values."
+msgstr "Introduzca dos valores válidos."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "El inicio del rango no debe ser mayor que el fin del rango."
+
+msgid "Enter two whole numbers."
+msgstr "Introduzca dos números enteros."
+
+msgid "Enter two numbers."
+msgstr "Introduzca dos números."
+
+msgid "Enter two valid date/times."
+msgstr "Introduzca dos fechas/horas válidas."
+
+msgid "Enter two valid dates."
+msgstr "Introduzca dos fechas válidas."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d ítem, debe contener no mas de "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d ítems, debe contener no mas de "
+"%(limit_value)d."
+msgstr[2] ""
+"La lista contiene %(show_value)d ítems, debe contener no mas de "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d ítem, debe contener no mas de "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d ítems, debe contener no menos de "
+"%(limit_value)d."
+msgstr[2] ""
+"La lista contiene %(show_value)d ítems, debe contener no menos de "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "No se encontraron algunas llaves: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Algunas de las llaves provistas son desconocidas: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Asegúrese de que el límite superior del rango no sea mayor que "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Asegúrese de que el límite inferior del rango no sea menor que "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..927d16a2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1b8157fd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,112 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2015
+# Ernesto Avilés, 2015
+# Igor Támara <igor@tamarapatino.org>, 2015
+# Pablo, 2015
+# Veronicabh <vero.blazher@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensiones de PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "Los arreglos anidados deben tener la misma longitud."
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "No se pududieron cargar los datos JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr "Ingrese dos valores válidos."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "El comienzo del rango no puede exceder su final."
+
+msgid "Enter two whole numbers."
+msgstr "Ingrese dos números enteros."
+
+msgid "Enter two numbers."
+msgstr "Ingrese dos números."
+
+msgid "Enter two valid date/times."
+msgstr "Ingrese dos fechas/horas válidas."
+
+msgid "Enter two valid dates."
+msgstr "Ingrese dos fechas válidas."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d elemento, no debería contener más de "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d elementos, no debería contener más de "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d elemento, no debería contener menos de "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d elementos, no debería contener menos de "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Faltan algunas claves: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Se facilitaron algunas claves desconocidas: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Asegúrese de que este rango es menor o igual que %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Asegúrese de que este rango es efectivamente mayor o igual que "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..294ebd20
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cf168644
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,98 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Alex Dzul <alexexc2@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensiones PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr ""
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr ""
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr "Ingrese dos valores válidos"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr ""
+
+msgid "Enter two numbers."
+msgstr "Ingrese dos números"
+
+msgid "Enter two valid date/times."
+msgstr ""
+
+msgid "Enter two valid dates."
+msgstr "Ingrese dos fechas válidas"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e912083e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/et/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6c3e66c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,111 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martin Pajuste <martinpajuste@gmail.com>, 2015
+# Martin Pajuste <martinpajuste@gmail.com>, 2017
+# Marti Raudsepp <marti@juffo.org>, 2015-2016
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL laiendused"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Element %(nth)s massiivis pole korrektne:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Mitmemõõtmelised massiivid peavad olema sama pikad."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Teisendus sõnedest sõnedeks/tühjadeks"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Võtme “%(key)s” väärtus ei ole sõne ega tühi."
+
+msgid "Could not load JSON data."
+msgstr "Ei saanud laadida JSON andmeid."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Sisend peab olema JSON sõnastik."
+
+msgid "Enter two valid values."
+msgstr "Sisesta kaks korrektset väärtust."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Vahemiku algus ei või olla suurem kui vahemiku lõpp."
+
+msgid "Enter two whole numbers."
+msgstr "Sisesta kaks täisarvu."
+
+msgid "Enter two numbers."
+msgstr "Sisesta kaks arvu."
+
+msgid "Enter two valid date/times."
+msgstr "Sisesta kaks korrektset kuupäeva ja kellaaega."
+
+msgid "Enter two valid dates."
+msgstr "Sisesta kaks korrektset kuupäeva."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Nimekiri sisaldab %(show_value)d elementi, ei tohiks olla rohkem kui "
+"%(limit_value)d."
+msgstr[1] ""
+"Nimekiri sisaldab %(show_value)d elementi, ei tohiks olla rohkem kui "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Nimekiri sisaldab %(show_value)d elementi, ei tohiks olla vähem kui "
+"%(limit_value)d."
+msgstr[1] ""
+"Nimekiri sisaldab %(show_value)d elementi, ei tohiks olla vähem kui "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Puuduvad võtmeväärtused: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Tundmatud võtmeväärtused: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Veendu, et see vahemik on täielikult väiksem või võrdne kui %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Veendu, et see vahemik on täielikult suurem või võrdne kui %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..776c2f4c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..89b8acbe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,108 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eneko Illarramendi <eneko@illarra.com>, 2017-2018
+# Urtzi Odriozola <urtzi.odriozola@gmail.com>, 2017,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2021-03-18 15:48+0000\n"
+"Last-Translator: Urtzi Odriozola <urtzi.odriozola@gmail.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL hedapenak"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Array-ko %(nth)s elementua ez da balekoa:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Array habiaratuek luzera bera izan behar dute."
+
+msgid "Map of strings to strings/nulls"
+msgstr "String-etik string/null-era mapa"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "”%(key)s”-ren balioa ez da string bat, edo null."
+
+msgid "Could not load JSON data."
+msgstr "Ezin izan dira JSON datuak kargatu."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Sarrera JSON hiztegi bat izan behar da."
+
+msgid "Enter two valid values."
+msgstr "Idatzi bi baleko balio."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Tartearen hasierak ezin du amaierako tartearen balioa gainditu."
+
+msgid "Enter two whole numbers."
+msgstr "Idatzi bi zenbaki oso."
+
+msgid "Enter two numbers."
+msgstr "Idatzi bi zenbaki."
+
+msgid "Enter two valid date/times."
+msgstr "Idatzi bi baleko data/ordu."
+
+msgid "Enter two valid dates."
+msgstr "Idatzi bi baleko data."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Zerrendak elementu %(show_value)d du, ez lituzke %(limit_value)dbaino "
+"gehiago izan behar."
+msgstr[1] ""
+"Zerrendak %(show_value)d elementu ditu, ez lituzke %(limit_value)d baino "
+"gehiago izan behar."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Zerrendak elementu %(show_value)d du, ez lituzke %(limit_value)d baino "
+"gutxiago izan behar."
+msgstr[1] ""
+"Zerrendak %(show_value)d elementu ditu, ez lituzke %(limit_value)d baino "
+"gutxiago izan behar."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Gako batzuk falta dira: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Gako ezezagun batzuk eman dira: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Ziurtatu guztiz tarte hau %(limit_value)s baino txikiagoa edo berdina dela."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Ziurtatu guztiz tarte hau %(limit_value)s baino handiagoa edo berdina dela."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..26bd1e56
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e9b404e9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,108 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Nikneshan <ali@nikneshan.com>, 2015
+# MJafar Mashhadi <raindigital2007@gmail.com>, 2018
+# Mohammad Hossein Mojtahedi <Mhm5000@gmail.com>, 2016
+# Pouya Abbassi, 2016
+# rahim agh <rahim.aghareb@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-27 09:32+0000\n"
+"Last-Translator: rahim agh <rahim.aghareb@gmail.com>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "ملحقات Postgres"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "عضو %(nth)sم آرایه معتبر نیست:"
+
+msgid "Nested arrays must have the same length."
+msgstr "آرایه های تو در تو باید هم سایز باشند"
+
+msgid "Map of strings to strings/nulls"
+msgstr "نگاشتی از رشته به رشته/هیچمقدار"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "مقدار \"%(key)s\" یک رشته حرفی یا null نیست."
+
+msgid "Could not load JSON data."
+msgstr "امکان بارگزاری  داده های JSON  نیست."
+
+msgid "Input must be a JSON dictionary."
+msgstr "مقدار ورودی باید یک دیکشنری JSON باشد."
+
+msgid "Enter two valid values."
+msgstr "دو مقدار معتبر وارد کنید"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "مقدار شروع بازه باید از پایان کوچکتر باشد"
+
+msgid "Enter two whole numbers."
+msgstr "دو عدد کامل وارد کنید"
+
+msgid "Enter two numbers."
+msgstr "دو عدد وارد کنید"
+
+msgid "Enter two valid date/times."
+msgstr "دو تاریخ/ساعت معتبر وارد کنید"
+
+msgid "Enter two valid dates."
+msgstr "دو تاریخ معتبر وارد کنید"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"لیست شامل %(show_value)d مورد است. ولی باید حداکثر شامل %(limit_value)d مورد "
+"باشد."
+msgstr[1] ""
+"لیست شامل %(show_value)d مورد است. ولی باید حداکثر شامل %(limit_value)d مورد "
+"باشد."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"لیست شامل %(show_value)d است، نباید کمتر از %(limit_value)d را شامل شود."
+msgstr[1] ""
+"لیست شامل %(show_value)d است، نباید کمتر از %(limit_value)d را شامل شود."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "برخی کلیدها یافت نشدند: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "برخی کلیدهای ارائه شده ناشناخته‌اند: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "اطمیمنان حاصل کنید که این رنج، کوچکتر یا برابر با %(limit_value)s است."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "اطمینان حاصل کنید که رنج، بزرگتر یا برابر با %(limit_value)s است."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..856bf2bc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ce5af05c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,110 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2017,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-12-09 06:30+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-laajennukset"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Taulukon %(nth)s alkio ei ole kelvollinen:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Sisäkkäisillä taulukoilla tulee olla sama pituus."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Kartta merkkijonoista merkkijonoihin tai tyhjiin (null)"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Avaimen \"%(key)s\" arvo ei ole merkkijono tai tyhjä (null)."
+
+msgid "Could not load JSON data."
+msgstr "JSON-dataa ei voitu ladata."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Syötteen tulee olla JSON-sanakirja."
+
+msgid "Enter two valid values."
+msgstr "Anna kaksi oikeaa arvoa."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Alueen alku pitää olla pienempi kuin alueen loppu."
+
+msgid "Enter two whole numbers."
+msgstr "Anna kaksi kokonaislukua."
+
+msgid "Enter two numbers."
+msgstr "Anna kaksi lukua."
+
+msgid "Enter two valid date/times."
+msgstr "Anna kaksi oikeaa päivämäärää/kellonaikaa."
+
+msgid "Enter two valid dates."
+msgstr "Anna kaksi oikeaa päivämäärää."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listassa on %(show_value)d arvo, mutta siinä ei saa olla enempää kuin "
+"%(limit_value)d."
+msgstr[1] ""
+"Listassa on %(show_value)d arvoa, mutta siinä ei saa olla enempää kuin "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listassa on %(show_value)d arvo, mutta siinä ei saa olla vähempää kuin "
+"%(limit_value)d arvoa."
+msgstr[1] ""
+"Listassa on %(show_value)d arvoa, mutta siinä ei saa olla vähempää kuin "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Joitain avaimia puuttuu: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Tuntemattomia avaimia annettiin: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Tämän alueen tulee olla kokonaisuudessaan yhtäsuuri tai pienempi kuin "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Tämän alueen tulee olla kokonaisuudessaan yhtäsuuri tai suurempi kuin "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b4230ed8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a0e4724f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,114 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2015-2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Claude Paroz <claude@2xlibre.net>, 2015-2019,2023\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensions PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "L'élément n°%(nth)s du tableau n’est pas valide :"
+
+msgid "Nested arrays must have the same length."
+msgstr "Les tableaux imbriqués doivent être de même longueur."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Correspondances clé/valeur (chaînes ou valeurs nulles)"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "La valeur de « %(key)s » n’est pas une chaîne, ni une valeur nulle."
+
+msgid "Could not load JSON data."
+msgstr "Impossible de charger les données JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Le contenu saisi doit être un dictionnaire JSON."
+
+msgid "Enter two valid values."
+msgstr "Saisissez deux valeurs valides."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Le début de l’intervalle ne peut pas dépasser la fin de l'intervalle."
+
+msgid "Enter two whole numbers."
+msgstr "Saisissez deux nombres entiers."
+
+msgid "Enter two numbers."
+msgstr "Saisissez deux nombres."
+
+msgid "Enter two valid date/times."
+msgstr "Saisissez deux dates/heures valides."
+
+msgid "Enter two valid dates."
+msgstr "Saisissez deux dates valides."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"La liste contient %(show_value)d élément, mais elle ne devrait pas en "
+"contenir plus de %(limit_value)d."
+msgstr[1] ""
+"La liste contient %(show_value)d éléments, mais elle ne devrait pas en "
+"contenir plus de %(limit_value)d."
+msgstr[2] ""
+"La liste contient %(show_value)d éléments, mais elle ne devrait pas en "
+"contenir plus de %(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"La liste contient %(show_value)d élément, mais elle doit en contenir au "
+"moins %(limit_value)d."
+msgstr[1] ""
+"La liste contient %(show_value)d éléments, mais elle doit en contenir au "
+"moins %(limit_value)d."
+msgstr[2] ""
+"La liste contient %(show_value)d éléments, mais elle doit en contenir au "
+"moins %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Certaines clés sont manquantes : %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Certaines clés inconnues ont été fournies : %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"S’assure que la limite supérieure de l’intervalle n’est pas plus grande que "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"S’assure que la limite inférieure de l’intervalle n’est pas plus petite que "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9e8b0fd8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..29b90502
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,125 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2016-2017
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Leudachain PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Cha deach le dearbhadh an nì %(nth)s san arraigh:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Feumaidh an aon fhaid a bhith aig a h-uile arraigh neadaichte."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapaichean de shreangan gu sreangan/luachan null"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Chan eil an luach air %(key)s ’na shreang no null."
+
+msgid "Could not load JSON data."
+msgstr "Cha deach leinn dàta JSON a luchdadh."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Feumaidh an t-ion-chur a bhith 'na fhaclair JSON."
+
+msgid "Enter two valid values."
+msgstr "Cuir a-steach dà luach dligheach."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Chan fhaod toiseach na rainse a bith nas motha na deireadh na rainse."
+
+msgid "Enter two whole numbers."
+msgstr "Cuir a-steach dà àireamh shlàn."
+
+msgid "Enter two numbers."
+msgstr "Cuir a-steach dà àireamh."
+
+msgid "Enter two valid date/times."
+msgstr "Cuir a-steach dà cheann-là ’s àm dligheach."
+
+msgid "Enter two valid dates."
+msgstr "Cuir a-steach dà cheann-là dligheach."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Tha %(show_value)d nì air an liosta ach cha bu chòir corr is %(limit_value)d "
+"a bhith oirre."
+msgstr[1] ""
+"Tha %(show_value)d nì air an liosta ach cha bu chòir corr is %(limit_value)d "
+"a bhith oirre."
+msgstr[2] ""
+"Tha %(show_value)d nithean air an liosta ach cha bu chòir corr is "
+"%(limit_value)d a bhith oirre."
+msgstr[3] ""
+"Tha %(show_value)d nì air an liosta ach cha bu chòir corr is %(limit_value)d "
+"a bhith oirre."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Tha %(show_value)d nì air an liosta ach cha bu chòir nas lugha na "
+"%(limit_value)d a bhith oirre."
+msgstr[1] ""
+"Tha %(show_value)d nì air an liosta ach cha bu chòir nas lugha na "
+"%(limit_value)d a bhith oirre."
+msgstr[2] ""
+"Tha %(show_value)d nithean air an liosta ach cha bu chòir nas lugha na "
+"%(limit_value)d a bhith oirre."
+msgstr[3] ""
+"Tha %(show_value)d nì air an liosta ach cha bu chòir nas lugha na "
+"%(limit_value)d a bhith oirre."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Bha cuid a dh’iuchraichean a dhìth: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Chaidh iuchraichean nach aithne dhuinn a shònrachadh: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Dèan cinnteach gu bheil an rainse seo nas lugha na no co-ionnan ri "
+"%(limit_value)s air fad."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Dèan cinnteach gu bheil an rainse seo nas motha na no co-ionnan ri "
+"%(limit_value)s air fad."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c90b4280
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0fb8d3be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,108 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fasouto <fsoutomoure@gmail.com>, 2017
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensión de PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "O %(nth)s elemento do array non validóu:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Os arrais aniñados teñen que ter a mesma lonxitude."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapeo de strings a strings/nulos"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "O valor de “%(key)s” non é un string ou nulo."
+
+msgid "Could not load JSON data."
+msgstr "Non se puderon cargar os datos JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "A entrada ten que ser un diccionario JSON."
+
+msgid "Enter two valid values."
+msgstr "Introduza dous valores válidos."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "O comezo do rango non pode superar o fin do rango."
+
+msgid "Enter two whole numbers."
+msgstr "Introduza dous números completos."
+
+msgid "Enter two numbers."
+msgstr "Insira dous números."
+
+msgid "Enter two valid date/times."
+msgstr "Insira dúas datas/horas válidas."
+
+msgid "Enter two valid dates."
+msgstr "Insira dúas datas válidas."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista contén %(show_value)d elemento, non debería conter máis de "
+"%(limit_value)d."
+msgstr[1] ""
+"A lista contén %(show_value)d elementos, non debería conter máis de "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista contén %(show_value)d elemento, non debería conter menos de "
+"%(limit_value)d."
+msgstr[1] ""
+"A lista contén %(show_value)d elementos, non debería conter menos de "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Faltan algunhas chaves: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Facilitáronse algunhas chaves descoñecidas: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Asegúrese de que o límite superior do rango non é maior que %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Asegúrese de que o límite inferior do rango non é menor que %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..30f0e16a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/he/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c59ea67a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,110 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Meir Kriheli <mkriheli@gmail.com>, 2015,2017,2019,2023
+# אורי רודברג <uri@speedy.net>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Meir Kriheli <mkriheli@gmail.com>, 2015,2017,2019,2023\n"
+"Language-Team: Hebrew (http://app.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "הרחבות PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "פריט %(nth)s במערך לא עבר בדיקת חוקיות: "
+
+msgid "Nested arrays must have the same length."
+msgstr "מערכים מקוננים חייבים להיות באותו האורך."
+
+msgid "Map of strings to strings/nulls"
+msgstr "מיפוי מחרוזות אל מחרוזות/nulls."
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "הערך של \"%(key)s\" אינו מחרוזת או null."
+
+msgid "Could not load JSON data."
+msgstr "לא ניתן לטעון מידע JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "הקלט חייב להיות מילון JSON."
+
+msgid "Enter two valid values."
+msgstr "נא להזין שני ערכים חוקיים."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "התחלת טווח אינה יכולה גדולה יותר מסופו."
+
+msgid "Enter two whole numbers."
+msgstr "נא להזין שני מספרים שלמים."
+
+msgid "Enter two numbers."
+msgstr "נא להזין שני מספרים."
+
+msgid "Enter two valid date/times."
+msgstr "נא להזין שני תאריך/שעה חוקיים."
+
+msgid "Enter two valid dates."
+msgstr "נא להזין שני תאריכים חוקיים."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"הרשימה מכילה פריט %(show_value)d, עליה להכיל לא יותר מ-%(limit_value)d."
+msgstr[1] ""
+"הרשימה מכילה %(show_value)d פריטים, עליה להכיל לא יותר מ-%(limit_value)d."
+msgstr[2] ""
+"הרשימה מכילה %(show_value)d פריטים, עליה להכיל לא יותר מ-%(limit_value)d."
+msgstr[3] ""
+"הרשימה מכילה %(show_value)d פריטים, עליה להכיל לא יותר מ-%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"הרשימה מכילה פריט %(show_value)d, עליה להכיל לא פחות מ-%(limit_value)d."
+msgstr[1] ""
+"הרשימה מכילה %(show_value)d פריטים, עליה להכיל לא פחות מ-%(limit_value)d."
+msgstr[2] ""
+"הרשימה מכילה %(show_value)d פריטים, עליה להכיל לא פחות מ-%(limit_value)d."
+msgstr[3] ""
+"הרשימה מכילה %(show_value)d פריטים, עליה להכיל לא פחות מ-%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "חלק מהמפתחות חסרים: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "סופקו מספר מפתחות לא ידועים: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "נא לוודא שהגבול העליון של הטווח אינו גדול מ־%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "נא לוודא שהגבול התחתון של הטווח אינו קטן מ־%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..99c9fded
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b48912b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,102 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Filip Cuk <filipcuk2@gmail.com>, 2016
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "PostgreSQL extensions"
+msgstr ""
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr ""
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "JSON podatci neuspješno učitani."
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr "Unesite 2 ispravne vrijednosti."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr "Unesite dva cijela broja."
+
+msgid "Enter two numbers."
+msgstr "Unesite dva broja."
+
+msgid "Enter two valid date/times."
+msgstr "Unesite dva ispravna datuma/vremena."
+
+msgid "Enter two valid dates."
+msgstr "Unesite dva ispravna datuma."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+msgstr[2] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1bad454d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..62280f1c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,118 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016-2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>, 2016-2019,2023\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Rozšěrjenja PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Zapisk %(nth)s w pólnym wariabli njeje so wokrućił:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Zakašćikowane pólne wariable maja samsnu dołhosć."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Konwertowanje znamješkowych rjećazkow do znamješkowych rjećazkow/nulow"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Hódnota \" %(key)s\" znamješkowy rjećazk abo null njeje."
+
+msgid "Could not load JSON data."
+msgstr "JSON-daty njedachu so začitać."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Zapodaće dyrbi JSON-słownik być."
+
+msgid "Enter two valid values."
+msgstr "Zapodajće dwě płaćiwej hódnoće."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Spočatk wobłuka njesmě kónc wobłuka překročić."
+
+msgid "Enter two whole numbers."
+msgstr "Zapodajće dwě cyłej ličbje."
+
+msgid "Enter two numbers."
+msgstr "Zapodajće dwě ličbje."
+
+msgid "Enter two valid date/times."
+msgstr "Zapódajće dwě płaćiwej datowej/časowej podaći."
+
+msgid "Enter two valid dates."
+msgstr "Zapodajće dwě płaćiwej datowej podaći."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lisćina %(show_value)d element wobsahuje, wona njeměła wjace hač "
+"%(limit_value)d wobsahować."
+msgstr[1] ""
+"Lisćina %(show_value)d elementaj wobsahuje, wona njeměła wjace hač "
+"%(limit_value)d wobsahować."
+msgstr[2] ""
+"Lisćina %(show_value)d elementy wobsahuje, wona njeměła wjace hač "
+"%(limit_value)d wobsahować."
+msgstr[3] ""
+"Lisćina %(show_value)d elementow wobsahuje, wona njeměła wjace hač "
+"%(limit_value)d wobsahować."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lisćina %(show_value)d element wobsahuje, wona njeměła mjenje hač "
+"%(limit_value)d wobsahować."
+msgstr[1] ""
+"Lisćina %(show_value)d elementaj wobsahuje, wona njeměła mjenje hač "
+"%(limit_value)d wobsahować."
+msgstr[2] ""
+"Lisćina %(show_value)d elementy wobsahuje, wona njeměła mjenje hač "
+"%(limit_value)d wobsahować."
+msgstr[3] ""
+"Lisćina %(show_value)d elementow wobsahuje, wona njeměła mjenje hač "
+"%(limit_value)d wobsahować."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Někotre kluče faluje: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Někotre njeznate kluče su so podali: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "Zawěsćće, zo hornja hranica wobłuka njeje wjetša hač %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Zawěsćće, zo delnja hranica wobłuka njeje mjeńša hač %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..675614cd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1adb7d12
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,110 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Akos Zsolt Hochrein <hoch.akos@gmail.com>, 2018
+# András Veres-Szentkirályi, 2016
+# Balázs R, 2023
+# Dóra Szendrei <szendrgigi@gmail.com>, 2017
+# Istvan Farkas <istvan.farkas@gmail.com>, 2019
+# János R, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Balázs R, 2023\n"
+"Language-Team: Hungarian (http://app.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL kiterjesztések"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "A tömb %(nth)s-ik eleme érvénytelen:"
+
+msgid "Nested arrays must have the same length."
+msgstr "A belső tömböknek egyforma hosszúaknak kell lenniük."
+
+msgid "Map of strings to strings/nulls"
+msgstr "String-string/null leképezés"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "A(z) \"%(key)s\" nem karakterlánc, vagy null."
+
+msgid "Could not load JSON data."
+msgstr "JSON adat betöltése sikertelen."
+
+msgid "Input must be a JSON dictionary."
+msgstr "A bemenetnek JSON szótárnak kell lennie."
+
+msgid "Enter two valid values."
+msgstr "Adjon meg két érvényes értéket."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "A tartomány eleje nem lehet nagyobb a tartomány végénél."
+
+msgid "Enter two whole numbers."
+msgstr "Adjon meg két egész számot."
+
+msgid "Enter two numbers."
+msgstr "Adjon meg két számot."
+
+msgid "Enter two valid date/times."
+msgstr "Adjon meg két érvényes dátumot/időt."
+
+msgid "Enter two valid dates."
+msgstr "Adjon meg két érvényes dátumot."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista %(show_value)d elemet tartalmaz, legfeljebb %(limit_value)d lehetne."
+msgstr[1] ""
+"A lista %(show_value)d elemet tartalmaz, legfeljebb %(limit_value)d lehetne."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista %(show_value)d elemet tartalmaz, legalább %(limit_value)d kellene."
+msgstr[1] ""
+"A lista %(show_value)d elemet tartalmaz, legalább %(limit_value)d kellene."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Néhány kulcs hiányzik: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Néhány ismeretlen kulcs érkezett: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Bizonyosodjon meg arról, hogy a tartomány felső határa nem nagyobb, mint "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Bizonyosodjon meg arról, hogy a tartomány alsó határa nem kisebb, mint "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fe0d7ab5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7b7fe807
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,109 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL հավելվածներ"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "Ներդրված մասսիվները պետք է ունենան նույն երկարությունը"
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "Չհաջողվեց բեռնել JSON տվյալները"
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr "Մուտքագրեք երկու վավերական արժեք"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Ինտերվալի սկիզբը չպետք է գերազանցի նրա ավարտը"
+
+msgid "Enter two whole numbers."
+msgstr "Մուտքագրեք երկու ամբողջ թիվ"
+
+msgid "Enter two numbers."
+msgstr "Մուտքագրեք երկու թիվ"
+
+msgid "Enter two valid date/times."
+msgstr "Մուտքագրեք երկու ճիշտ ամսաթվեր/ժամանակ"
+
+msgid "Enter two valid dates."
+msgstr "Մուտքագրեք երկու ճիշտ ամսաթվեր"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Ցուցակը պարունակում է %(show_value)d էլեմենտը, բայց այն պետք է պարունակի "
+"%(limit_value)d֊ից ոչ ավելի էլեմենտ"
+msgstr[1] ""
+"Ցուցակը պարունակում է %(show_value)d էլեմենտները, բայց այն պետք է պարունակի "
+"%(limit_value)d֊ից ոչ ավելի էլեմենտ"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Ցուցակը պարունակում է %(show_value)d էլեմենտը, բայց այն պետք է պարունակի "
+"%(limit_value)d֊ից ոչ պակաս էլեմենտ"
+msgstr[1] ""
+"Ցուցակը պարունակում է %(show_value)d էլեմենտը, բայց այն պետք է պարունակի "
+"%(limit_value)d֊ից ոչ պակաս էլեմենտ"
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Որոշ բանալիներ պակասում են՝  %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Տրամադրվել են որոշ անհայտ բանալիներ՝  %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Համոզվեք, որ տիրույթին պատկանող արժեքները փոքր են, կամ հավասար "
+"%(limit_value)s֊ի"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Համոզվեք, որ տիրույթին պատկանող արժեքները մեծ են, կամ հավասար "
+"%(limit_value)s֊ի"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e26e0b38
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..68829ff4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,98 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensiones PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "Arrays annidate debe haber le mesme longitude."
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr ""
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr ""
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr ""
+
+msgid "Enter two numbers."
+msgstr ""
+
+msgid "Enter two valid date/times."
+msgstr ""
+
+msgid "Enter two valid dates."
+msgstr ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b8f6c669
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a0595107
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,109 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2015-2018
+# M Asep Indrayana <me@drayanaindra.com>, 2015
+# oon arfiandwi <oon.arfiandwi@gmail.com>, 2016
+# rodin <romihardiyanto@gmail.com>, 2016
+# sage <laymonage@gmail.com>, 2019
+# Sutrisno Efendi <kangfend@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Ekstensi PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Butir %(nth)s dalam larik tidak tervalidasi:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Array bersaran harus mempunyai panjang yang sama."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Pemetaan dari string ke string/null"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Nilai dari “%(key)s” bukan sebuah string atau null."
+
+msgid "Could not load JSON data."
+msgstr "Tidak dapat memuat data JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Masukan harus kamus JSON."
+
+msgid "Enter two valid values."
+msgstr "Masukkan dua nilai yang valid."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Awal jangkauan harus tidak melebihi akhir jangkauan."
+
+msgid "Enter two whole numbers."
+msgstr "Masukkan dua buah bilangan bulat."
+
+msgid "Enter two numbers."
+msgstr "Masukkan dua buah bilangan."
+
+msgid "Enter two valid date/times."
+msgstr "Masukan dua buah tanggal/waktu."
+
+msgid "Enter two valid dates."
+msgstr "Masukan dua buah tanggal yang benar."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Daftar mengandung %(show_value)d butir, seharusnya mengandung tidak lebih "
+"dari %(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Daftar mengandung%(show_value)d butir, seharusnya mengandung tidak kurang "
+"dari %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Beberapa kunci hilang: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Beberapa kunci yang tidak dikenali diberikan: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Pastikan bahwa jangkauan ini sepenuhnya kurang dari atau sama dengan "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Pastikan bahwa jangkauan ini sepenuhnya lebih dari atau sama dengan "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9f6a21e2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a1ccb7c9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,108 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Thordur Sigurdsson <thordur@ja.is>, 2016-2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL viðbætur"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Hlutur %(nth)s í listanum er ógildur:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Faldaðir (nested) listar verða að vera af sömu lengd."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Möppun strengja í strengi/null"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Gildið á \"%(key)s\" er ekki strengur eða null."
+
+msgid "Could not load JSON data."
+msgstr "Gat ekki hlaðið inn JSON gögnum."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Inntak verður að vera JSON hlutur (dictionary)."
+
+msgid "Enter two valid values."
+msgstr "Sláðu inn tvö gild gildi."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Upphaf bils má ekki ná yfir endalok bils."
+
+msgid "Enter two whole numbers."
+msgstr "Sláðu inn tvær heilar tölur."
+
+msgid "Enter two numbers."
+msgstr "Sláðu inn tvær tölur."
+
+msgid "Enter two valid date/times."
+msgstr "Sláðu inn tvær gildar dagsetningar ásamt tíma."
+
+msgid "Enter two valid dates."
+msgstr "Sláðu inn tvær gildar dagsetningar."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listinn inniheldur %(show_value)d hlut, en má ekki innihalda fleiri en "
+"%(limit_value)d."
+msgstr[1] ""
+"Listinn inniheldur %(show_value)d hluti, en má ekki innihalda fleiri en "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listinn inniheldur %(show_value)d hlut, en má ekki innihalda færri en "
+"%(limit_value)d."
+msgstr[1] ""
+"Listinn inniheldur %(show_value)d hluti, en má ekki innihalda færri en "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Þessa lykla vantar: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Þessir óþekktu lyklar fundust: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Gakktu úr skugga um að þetta bil sé minna eða jafnt og %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Gakktu úr skugga um að þetta bil sé stærra eða jafnt og %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c0f2bcd5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/it/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5d082ca0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,122 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# 0d21a39e384d88c2313b89b5042c04cb, 2017
+# Flavio Curella <flavio.curella@gmail.com>, 2016
+# Mirco Grillo <mirco.grillomg@gmail.com>, 2018,2020
+# palmux <palmux@gmail.com>, 2015
+# Paolo Melchiorre <paolo@melchiorre.org>, 2023
+# Mattia Procopio <promat85@gmail.com>, 2015
+# Stefano Brentegani <sbrentegani@gmail.com>, 2015-2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Paolo Melchiorre <paolo@melchiorre.org>, 2023\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Estensioni per PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "L'elemento %(nth)s dell'array non è stato convalidato:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Gli array annidati devono avere la stessa lunghezza."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mappa di stringhe a stringhe/null"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Il valore di \"%(key)s\" non è una stringa o nullo."
+
+msgid "Could not load JSON data."
+msgstr "Caricamento dati JSON fallito."
+
+msgid "Input must be a JSON dictionary."
+msgstr "L'input deve essere un dizionario JSON."
+
+msgid "Enter two valid values."
+msgstr "Inserisci due valori validi."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+"Il valore iniziale dell'intervallo non può essere superiore al valore finale."
+
+msgid "Enter two whole numbers."
+msgstr "Inserisci due numeri interi."
+
+msgid "Enter two numbers."
+msgstr "Inserisci due numeri."
+
+msgid "Enter two valid date/times."
+msgstr "Inserisci due valori data/ora validi."
+
+msgid "Enter two valid dates."
+msgstr "Inserisci due date valide."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d oggetto, non dovrebbe contenerne più di "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d elementi, e dovrebbe contenerne al massimo "
+"%(limit_value)d."
+msgstr[2] ""
+"La lista contiene %(show_value)d elementi, e dovrebbe contenerne al massimo "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"La lista contiene %(show_value)d oggetto, non dovrebbe contenerne meno di "
+"%(limit_value)d."
+msgstr[1] ""
+"La lista contiene %(show_value)d oggetti, e dovrebbe contenerne almeno "
+"%(limit_value)d."
+msgstr[2] ""
+"La lista contiene %(show_value)d oggetti, e dovrebbe contenerne almeno "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Alcune chiavi risultano mancanti: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Sono state fornite alcune chiavi sconosciute: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Assicurarsi che il limite superiore dell'intervallo non sia maggiore di "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Assicurarsi che il limite inferiore dell'intervallo non sia inferiore a "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fa79bbd2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fb73aacd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,100 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Shinya Okano <tokibito@gmail.com>, 2015-2018,2023
+# Takuya N <takninnovationresearch@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Shinya Okano <tokibito@gmail.com>, 2015-2018,2023\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL拡張"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "配列内のアイテム %(nth)s は検証できませんでした:"
+
+msgid "Nested arrays must have the same length."
+msgstr "ネストした配列は同じ長さにしなければなりません。"
+
+msgid "Map of strings to strings/nulls"
+msgstr "文字列と文字列/NULLのマップ"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "“%(key)s” の値は文字列または NULL ではありません。"
+
+msgid "Could not load JSON data."
+msgstr "JSONデータを読み込めませんでした。"
+
+msgid "Input must be a JSON dictionary."
+msgstr "JSON辞書を入力しなければなりません。"
+
+msgid "Enter two valid values."
+msgstr "2つの値を正しく入力してください。"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "範囲の開始は、範囲の終わりを超えてはなりません。"
+
+msgid "Enter two whole numbers."
+msgstr "2つの整数を入力してください。"
+
+msgid "Enter two numbers."
+msgstr "2つの数値を入力してください。"
+
+msgid "Enter two valid date/times."
+msgstr "2つの日付/時間を入力してください。"
+
+msgid "Enter two valid dates."
+msgstr "2つの日付を入力してください。"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"リストには%(show_value)d個のアイテムが含まれますが、%(limit_value)d個までしか"
+"含められません。"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"リストには%(show_value)d個のアイテムが含まれますが、%(limit_value)d個までしか"
+"含められません。"
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "いくつかのキーが欠落しています: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "いくつかの不明なキーがあります: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "範囲の上限が%(limit_value)sを超えないようにしてください。"
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "範囲の下限が%(limit_value)sより小さくならないようにしてください。"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..510f545e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d1ae6c81
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,98 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-ის გაფართოებები"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr ""
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr ""
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr ""
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr "შეიყვანეთ ორი მთელი რიცხვი."
+
+msgid "Enter two numbers."
+msgstr "შეიყვანეთ ორი რიცხვი."
+
+msgid "Enter two valid date/times."
+msgstr ""
+
+msgid "Enter two valid dates."
+msgstr ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..22c521ba
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f5deca28
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,97 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Leo Trubach <leotrubach@gmail.com>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL  кеңейтулері"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "Бір-бірін ішіне салынған ауқымдардың ұзындықтары бірдей болу керек"
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr ""
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr ""
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr ""
+
+msgid "Enter two numbers."
+msgstr ""
+
+msgid "Enter two valid date/times."
+msgstr ""
+
+msgid "Enter two valid dates."
+msgstr ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af8e2185
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ko/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..97883847
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,105 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# hoseung2 <ghyutjik123@gmail.com>, 2017
+# Gihun Ham <progh2@gmail.com>, 2018
+# JunGu Kang <chr0m3.kr@gmail.com>, 2015
+# Kwangho Kim <rhkd865@gmail.com>, 2019
+# 조민권 <minkwon007@gmail.com>, 2016
+# minsung kang, 2015
+# Seoeun(Sun☀️) Hong, 2023
+# Subin Choi <os1742@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Seoeun(Sun☀️) Hong, 2023\n"
+"Language-Team: Korean (http://app.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL 확장"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "배열 안에 있는 항목 1%(nth)s가 올바르지 않습니다:"
+
+msgid "Nested arrays must have the same length."
+msgstr "네스팅된 배열은 반드시 같은 길이를 가져야 합니다."
+
+msgid "Map of strings to strings/nulls"
+msgstr "문자열을 문자열/null 에 매핑"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "\"%(key)s\"의 값은 문자열 또는 널이 아닙니다."
+
+msgid "Could not load JSON data."
+msgstr "JSON 데이터를 불러오지 못했습니다."
+
+msgid "Input must be a JSON dictionary."
+msgstr "입력은 JSON 사전이어야만 합니다."
+
+msgid "Enter two valid values."
+msgstr "유효한 두 값을 입력하세요."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "범위의 시작은 끝보다 클 수 없습니다."
+
+msgid "Enter two whole numbers."
+msgstr "두 정수를 입력하세요."
+
+msgid "Enter two numbers."
+msgstr "두 숫자를 입력하세요."
+
+msgid "Enter two valid date/times."
+msgstr "올바른 날짜/시각 두 개를 입력하세요."
+
+msgid "Enter two valid dates."
+msgstr "올바른 날짜 두 개를 입력하세요."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"리스트는 %(show_value)d 아이템들을 포함하며, %(limit_value)d를 초과해서 포함"
+"할 수 없습니다."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"리스트는 %(show_value)d 아이템들을 포함하며, %(limit_value)d 이상 포함해야 합"
+"니다."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "일부 키가 누락되어있습니다: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "일부 알 수 없는 키가 제공되었습니다. : %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "범위의 상한값이 %(limit_value)s보다 크지 않은지 확인하십시오."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "범위의 하한값이 %(limit_value)s보다 작지 않은지 확인하십시오."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a0edffde
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..72c0a485
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,100 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-23 06:06+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL кеңейтүүлөрү"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "%(nth)s нерсеси тизмекте туураланган эмес:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Кийишилген тизмектер окшош узундукта болуш керек."
+
+msgid "Map of strings to strings/nulls"
+msgstr "сап -> сап\\боштук сөздүгү"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "%(key)sмааниси сап эмес же бош эмес."
+
+msgid "Could not load JSON data."
+msgstr "JSON берилиши жүктөлбөй жатат."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Терүү JSON  сөздүгү болуусу керек."
+
+msgid "Enter two valid values."
+msgstr "Туура кош маани тер."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Чекебелдин башталышы бүтүшүн ашпоосу керек."
+
+msgid "Enter two whole numbers."
+msgstr "Туура кош бүтүн сан тер."
+
+msgid "Enter two numbers."
+msgstr "Кош сан тер."
+
+msgid "Enter two valid date/times."
+msgstr "Туура кош күн\\убак тер."
+
+msgid "Enter two valid dates."
+msgstr "Туура кош күн тер."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Тизме %(show_value)dнерсе камтыйт, бирок ал %(limit_value)dнерседен ашык "
+"камтыбашы керек. "
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Тизме %(show_value)dнерсе камтыйт, бирок ал %(limit_value)dнерседен аз "
+"камтыбашы керек. "
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Кээ бир ачкытарга %(keys)s жетишпе жатат"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Кээ бир белгисиз ачкычтар %(keys)s тейлейт"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Чекебел %(limit_value)s дан ашпоосун текшериңиз."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Чекебел жок дегенде %(limit_value)s экендигин текшериңиз."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0bd44f4f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c34bd47c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,120 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Matas Dailyda <matas@dailyda.com>, 2015-2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL plėtiniai"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "%(nth)s elementų masyve yra nevalidžių:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Iterpti vienas į kitą masyvai turi būti vienodo ilgio."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Susietos tekstinės reikšmės su tekstinėmis reikšmėmis/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "Nepavyko užkrauti JSON duomenų."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Įvestis turi būti JSON žodynas."
+
+msgid "Enter two valid values."
+msgstr "Įveskite dvi tinkamas reikšmes."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Diapazono pradžia negali būti didesnė už diapazono pabaigą."
+
+msgid "Enter two whole numbers."
+msgstr "Įveskite du sveikus skaičius."
+
+msgid "Enter two numbers."
+msgstr "Įveskite du skaičius."
+
+msgid "Enter two valid date/times."
+msgstr "Įveskite dvi tinkamas datas/laikus."
+
+msgid "Enter two valid dates."
+msgstr "Įveskite dvi tinkamas datas."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Sąrašas turi %(show_value)d elementą. Sąrašas neturėtų turėti daugiau "
+"elementų nei %(limit_value)d."
+msgstr[1] ""
+"Sąrašas turi %(show_value)d elementus. Sąrašas neturėtų turėti daugiau "
+"elementų nei %(limit_value)d."
+msgstr[2] ""
+"Sąrašas turi %(show_value)d elementų. Sąrašas neturėtų turėti daugiau "
+"elementų nei %(limit_value)d."
+msgstr[3] ""
+"Sąrašas turi %(show_value)d elementų. Sąrašas neturėtų turėti daugiau "
+"elementų nei %(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Sąrašas turi %(show_value)d elementą. Sąrašas turėtų turėti daugiau elementų "
+"nei %(limit_value)d."
+msgstr[1] ""
+"Sąrašas turi %(show_value)d elementus. Sąrašas turėtų turėti daugiau "
+"elementų nei %(limit_value)d."
+msgstr[2] ""
+"Sąrašas turi %(show_value)d elementų. Sąrašas turėtų turėti daugiau elementų "
+"nei %(limit_value)d."
+msgstr[3] ""
+"Sąrašas turi %(show_value)d elementų. Sąrašas turėtų turėti daugiau elementų "
+"nei %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Kai kurių reikšmių nėra: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Buvo pateiktos kelios nežinomos reikšmės: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Įsitikinkite kad diapazonas yra mažesnis arba lygus %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Įsitikinkite kad diapazonas yra didesnis arba lygus %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..14a1db49
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ad92a4bd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,118 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2023
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2017
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2018
+# Edgars Voroboks <edgars.voroboks@gmail.com>, 2019
+# peterisb <pb@sungis.lv>, 2016-2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Edgars Voroboks <edgars.voroboks@gmail.com>, 2023\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL paplašinājums"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Masīva %(nth)s elements nav pareizs:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Iekļauto masīvu garumam jābūt vienādam."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Virkņu karte uz virknēm/tukšumiem"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "\"%(key)s\" vērtība nav teksta rinda vai nulles simbols."
+
+msgid "Could not load JSON data."
+msgstr "Nevarēja ielādēt JSON datus."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Ieejošajiem datiem ir jābūt JSON vārdnīcai."
+
+msgid "Enter two valid values."
+msgstr "Ievadi divas derīgas vērtības."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Diapazona sākums nedrīkst būt liekāks par beigām."
+
+msgid "Enter two whole numbers."
+msgstr "Ievadiet divus veselus skaitļus."
+
+msgid "Enter two numbers."
+msgstr "Ievadiet divus skaitļus."
+
+msgid "Enter two valid date/times."
+msgstr "Ievadiet divus derīgus datumus/laikus."
+
+msgid "Enter two valid dates."
+msgstr "Ievadiet divus korektus datumus."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Saraksts satur %(show_value)d ierakstus, bet tam jāsatur ne vairāk kā "
+"%(limit_value)d."
+msgstr[1] ""
+"Saraksts satur %(show_value)d ierakstu, bet tam jāsatur ne vairāk kā "
+"%(limit_value)d."
+msgstr[2] ""
+"Saraksts satur %(show_value)d ierakstus, bet tam jāsatur ne vairāk kā "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Saraksts satur %(show_value)d ierakstus, bet tam jāsatur vismaz "
+"%(limit_value)d."
+msgstr[1] ""
+"Saraksts satur %(show_value)d ierakstu, bet tam jāsatur vismaz "
+"%(limit_value)d."
+msgstr[2] ""
+"Saraksts satur %(show_value)d ierakstus, bet tam jāsatur vismaz "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Trūka dažas atslēgas: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Tika norādītas dažas nezināmas atslēgas: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Pārliecinieties, ka diapazona augšējā robeža nav lielāka par %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Pārliecinieties, ka diapazona apakšējā robeža nav mazāka par %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..30eac663
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a320c464
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,112 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# dekomote <dr.mote@gmail.com>, 2015
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2015-2017
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL eкстензии"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "Вгнездени низи мораат да имаат иста должина."
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "Не можеа да се вчитаат JSON податоци."
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr "Внесете две валидни вредности."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Почетокот на опсегот не смее да го надминува крајот на опсегот."
+
+msgid "Enter two whole numbers."
+msgstr "Внесете два цели броеви."
+
+msgid "Enter two numbers."
+msgstr "Внесете два броја."
+
+msgid "Enter two valid date/times."
+msgstr "Внесете две валидни датуми/времиња"
+
+msgid "Enter two valid dates."
+msgstr "Внесете два валидни датуми."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Листата соджи %(show_value)d елемент, не смее да содржи повеќе од "
+"%(limit_value)d."
+msgstr[1] ""
+"Листата содржи %(show_value)d елементи, не треба да содржи повеќе од "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Листата содржи %(show_value)d елемент, не треба да содржи помалку од "
+"%(limit_value)d."
+msgstr[1] ""
+"Листата содржи %(show_value)d елемент, не треба да содржи помалку од "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Некои клучеви недостигаа: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Беа дадени некои непознати клучеви: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Осигурајте се дека овој опсег во целост е помал или еднаков на "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Осигурајте се дека овој опсег во целост е поголем или еднаков на "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c7ae922e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..93c6f92c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,98 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hrishikesh <hrishi.kb@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-13 21:28+0000\n"
+"Last-Translator: Hrishikesh <hrishi.kb@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL എക്സ്റ്റൻഷനുക"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "നെസ്റ്റഡ് അറേകൾക്ക് ഒരേ ലെങ്ത്തായിരിക്കണം."
+
+msgid "Map of strings to strings/nulls"
+msgstr "സ്ട്രിങ്ങുകളിൽ നിന്ന് സ്ട്രിങ്ങുകളിലേക്ക്/nulls ലേയ്ക്ക് ഉള്ള Map."
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "JSON ഡാറ്റ ലോഡുചെയ്യാനായില്ല."
+
+msgid "Input must be a JSON dictionary."
+msgstr "ഇൻപുട്ട് നിർബന്ധമായു ഒരു JSON ഡിക്ഷ്ണറി ആയിരിക്കണം."
+
+msgid "Enter two valid values."
+msgstr "ശരിയായ രണ്ട് വാല്യൂകൾ നൽകു"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr "രണ്ട് പൂർണ്ണസംഖ്യകൾ നൽകുക."
+
+msgid "Enter two numbers."
+msgstr ""
+
+msgid "Enter two valid date/times."
+msgstr ""
+
+msgid "Enter two valid dates."
+msgstr "ശരിയായ രണ്ട് തീയതികൾ നകുക."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5f367055
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..326792e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,111 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Zorig, 2016-2017
+# Zorig, 2019
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2015
+# Баясгалан Цэвлээ <bayasaa_7672@yahoo.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Mongolian (http://www.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL -ын өргөтгөлүүд"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Массивд байгаа %(nth)s буруу байна"
+
+msgid "Nested arrays must have the same length."
+msgstr "Түүвэрлэсэн массив ижил урттай байх ёстой."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Тэмдэгтийг тэмдэгт/null руу заагч"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "JSON дата-г уншиж чадахгүй байна."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Оролт JSON dictionary байх ёстой."
+
+msgid "Enter two valid values."
+msgstr "Хоёр зөв утга оруулна уу"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Хүрээний эхлэл төгсгөлөөс хэтрэхгүй байх ёстой."
+
+msgid "Enter two whole numbers."
+msgstr "Хоёр бүхэл тоон утга оруулна уу."
+
+msgid "Enter two numbers."
+msgstr "Хоёр тоо оруулна уу."
+
+msgid "Enter two valid date/times."
+msgstr "хоёр зөв огноо/цаг-ыг оруулна уу."
+
+msgid "Enter two valid dates."
+msgstr "Хоёр зөв огноо оруулна уу"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Жагсаалтанд %(show_value)d зүйл байна, %(limit_value)d -ээс хэтрэхгүй байх "
+"ёстой."
+msgstr[1] ""
+"Жагсаалтанд %(show_value)d зүйлүүд байна, %(limit_value)d -ээс хэтрэхгүй "
+"байх ёстой."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Жагсаалтанд %(show_value)d зүйл байна, %(limit_value)d -ээс ихгүй байх ёстой."
+msgstr[1] ""
+"Жагсаалтанд %(show_value)d зүйлүүд байна, %(limit_value)d -ээс ихгүй байх "
+"ёстой."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Зарим түлхүүр байхгүй байна: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Хэсэг үл мэдэгдэх түлхүүр байна: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Энэ хүрээ нь %(limit_value)s -тэй бүрэн тэнцүү буюу түүнээс бага байгаа "
+"эсэхийг шалгана уу"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Энэ хүрээ нь %(limit_value)s -с их буюу тэнцүү байгаа эсэхийг шалгана уу"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d1838573
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..42fb58de
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,97 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2024-01-19 09:22+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr ""
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr ""
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "JSON डेटा लोड करू शकलो नाही. "
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr "दोन वैध मूल्ये प्रविष्ट करा."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr "दोन पूर्ण संख्या प्रविष्ट करा."
+
+msgid "Enter two numbers."
+msgstr "दोन संख्या प्रविष्ट करा."
+
+msgid "Enter two valid date/times."
+msgstr "दोन वैध दिनांक/वेळा प्रविष्ट करा."
+
+msgid "Enter two valid dates."
+msgstr "दोन वैध दिनांका प्रविष्ट करा"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..51c00af3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..422eb134
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,100 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2021-11-16 12:53+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Sambungan PoestgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "item %(nth)s didalam tatasusunan tidak disahkan:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Tatasusunan bersarang haruslah sama panjang."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Suaian rentetan ke rentetan/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Nilai \"%(key)s\" bukan rentetan atau adalah null."
+
+msgid "Could not load JSON data."
+msgstr "Tidak dapat memuatkan data JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Input mestilah dalam bentuk kamus JSON."
+
+msgid "Enter two valid values."
+msgstr "Masukkan dua nilai yang sah."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Permulaan julat tidak boleh melebihi akhir julat."
+
+msgid "Enter two whole numbers."
+msgstr "Masukkan dua nombor bulat."
+
+msgid "Enter two numbers."
+msgstr "Masukkan duan nombor."
+
+msgid "Enter two valid date/times."
+msgstr "Masukkan dua tarikh.masa yang sah."
+
+msgid "Enter two valid dates."
+msgstr "Masukkan dua tarikh yang sah."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Senarai mempunyai %(show_value)d perkara, tetapi sepatutnya mempunyai lebih "
+"daripada %(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Senarai mempunyai %(show_value)d perkara, tetapi ia sepatutnya mempunyai "
+"tidak kurang daripaada %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Sesetengah kunci hilang: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Sesetengah kunci yang diberikan tidak diketahui: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Pastikan julat ini adalah kurang daripada atau sama dengan %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Pastikan julat ini lebih daripada atau sama dengan %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a4b273ad
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..31cbb37b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,107 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jon <jon@kolonial.no>, 2015-2016
+# Jon <jon@kolonial.no>, 2017-2018,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-utvidelser"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Element %(nth)s i arrayen validerte ikke:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Nøstede arrays må ha samme lengde."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Oversikt over strenger til strenger/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Verdien av \"%(key)s\" er ikke en streng eller null."
+
+msgid "Could not load JSON data."
+msgstr "Kunne ikke laste JSON-data."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Input må være en JSON-dictionary."
+
+msgid "Enter two valid values."
+msgstr "Oppgi to gyldige verdier."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Starten på serien må ikke overstige enden av serien."
+
+msgid "Enter two whole numbers."
+msgstr "Oppgi to heltall."
+
+msgid "Enter two numbers."
+msgstr "Oppgi to tall."
+
+msgid "Enter two valid date/times."
+msgstr "Oppgi to gyldige datoer og tidspunkter."
+
+msgid "Enter two valid dates."
+msgstr "Oppgi to gyldige datoer."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listen inneholder %(show_value)d element, den bør ikke inneholde mer enn "
+"%(limit_value)d."
+msgstr[1] ""
+"Listen inneholder %(show_value)d elementer, den bør ikke inneholde mer enn "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listen inneholder %(show_value)d element, den bør ikke inneholde færre enn "
+"%(limit_value)d."
+msgstr[1] ""
+"Listen inneholder %(show_value)d elementer, den bør ikke inneholde færre enn "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Noen nøkler manglet: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Noen ukjente nøkler ble oppgitt: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Sørg for at denne serien er helt mindre enn eller lik %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Sørg for at denne serien er helt større enn eller lik %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..311ab176
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3ee263df
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,96 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr ""
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr ""
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr ""
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr "दुई उपयुक्त मान राख्नु होस ।"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr ""
+
+msgid "Enter two numbers."
+msgstr "दुई अङ्क राख्नु होस ।"
+
+msgid "Enter two valid date/times."
+msgstr "दुई उपयुक्त मिति/समय राख्नु होस ।"
+
+msgid "Enter two valid dates."
+msgstr "दुई उपयुक्त मिति राख्नु होस ।"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..61c3a25a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e1fcfc2f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,112 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Evelijn Saaltink <evelijnsaaltink@gmail.com>, 2016
+# Ilja Maas <iljamaas@dreamsolution.nl>, 2015
+# 8de006b1b0894aab6aef71979dcd8bd6_5c6b207 <ff2658a8d8dbebbd9cc240b8c133a515_234097>, 2015
+# Tonnes <tonnes.mb@gmail.com>, 2017,2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>, 2017,2019,2023\n"
+"Language-Team: Dutch (http://app.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-extensies"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Item %(nth)s in de matrix is niet gevalideerd:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Geneste matrices moeten dezelfde lengte hebben."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Toewijzing van tekenreeksen naar tekenreeksen/nulwaarden"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "De waarde van ‘%(key)s’ is geen tekenreeks of nul."
+
+msgid "Could not load JSON data."
+msgstr "Kon JSON-gegevens niet laden."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Invoer moet een JSON-bibliotheek zijn."
+
+msgid "Enter two valid values."
+msgstr "Voer twee geldige waarden in."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+"Het begin van het bereik mag niet groter zijn dan het einde van het bereik."
+
+msgid "Enter two whole numbers."
+msgstr "Voer twee gehele getallen in."
+
+msgid "Enter two numbers."
+msgstr "Voer twee getallen in."
+
+msgid "Enter two valid date/times."
+msgstr "Voer twee geldige datums/tijden in."
+
+msgid "Enter two valid dates."
+msgstr "Voer twee geldige datums in."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lijst bevat %(show_value)d element, maar mag niet meer dan %(limit_value)d "
+"elementen bevatten."
+msgstr[1] ""
+"Lijst bevat %(show_value)d elementen, maar mag niet meer dan %(limit_value)d "
+"elementen bevatten."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lijst bevat %(show_value)d element, maar mag niet minder dan %(limit_value)d "
+"elementen bevatten."
+msgstr[1] ""
+"Lijst bevat %(show_value)d elementen, maar mag niet minder dan "
+"%(limit_value)d elementen bevatten."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Sommige sleutels ontbreken: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Er zijn enkele onbekende sleutels opgegeven: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Zorg ervoor dat de bovengrens van het bereik niet hoger is dan "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Zorg ervoor dat de ondergrens van het bereik niet lager is dan "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..52ea3d1e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aff99674
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,106 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2021-11-16 22:21+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-utvidingar"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Element %(nth)s i arrayen validerte ikkje:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Nysta arrayar må ha same lengde."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Oversyn over strenger til strenger/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Verdien til “%(key)s” er ikkje ein streng eller null."
+
+msgid "Could not load JSON data."
+msgstr "Kunne ikkje laste JSON-data."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Inndata må vere ein JSON-dictionary."
+
+msgid "Enter two valid values."
+msgstr "Oppgje to gyldige verdiar."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Starten på serien må ikkje overstige enden av serien."
+
+msgid "Enter two whole numbers."
+msgstr "Oppgje to heiltal."
+
+msgid "Enter two numbers."
+msgstr "Oppgje to tal."
+
+msgid "Enter two valid date/times."
+msgstr "Oppgje to gyldige datoar/tidspunkt."
+
+msgid "Enter two valid dates."
+msgstr "Oppgje to gyldige datoar."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista inneheld %(show_value)d element, den bør ikkje innehalde fleire enn "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista inneheld %(show_value)d element, den bør ikkje innehalde fleire enn "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista inneheld %(show_value)d element, den bør ikkje innehalde færre enn "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista inneheld %(show_value)d element, den bør ikkje innehalde færre enn "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Nokon nyklar mangla: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Nokon ukjende nyklar vart oppgjeve: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Syrg for at serien er heilt mindre enn eller lik %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Syrg for at serien er heilt større enn eller lik %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0a096ee4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..eb0c401d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,127 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Dariusz Paluch <taxido0@gmail.com>, 2015
+# Janusz Harkot <jh@trilab.pl>, 2015
+# Piotr Jakimiak <legolass71@gmail.com>, 2015
+# lobsterick <lobsterick@gmail.com>, 2019
+# Maciej Olko <maciej.olko@gmail.com>, 2016-2019
+# Maciej Olko <maciej.olko@gmail.com>, 2023
+# Maciej Olko <maciej.olko@gmail.com>, 2015
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Maciej Olko <maciej.olko@gmail.com>, 2023\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && "
+"(n%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && "
+"n%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Rozszerzenia PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Element %(nth)s w tablicy nie przeszedł walidacji:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Zagnieżdżone tablice muszą mieć tę samą długość."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapowanie ciągów znaków na ciągi znaków/nulle"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Wartość „%(key)s” nie jest ciągiem znaków ani nullem."
+
+msgid "Could not load JSON data."
+msgstr "Nie można załadować danych JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Wejście musi być słownikiem JSON."
+
+msgid "Enter two valid values."
+msgstr "Podaj dwie poprawne wartości."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Początek zakresu nie może przekroczyć jego końca."
+
+msgid "Enter two whole numbers."
+msgstr "Podaj dwie liczby całkowite."
+
+msgid "Enter two numbers."
+msgstr "Podaj dwie liczby."
+
+msgid "Enter two valid date/times."
+msgstr "Podaj dwie poprawne daty/godziny."
+
+msgid "Enter two valid dates."
+msgstr "Podaj dwie poprawne daty."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista zawiera %(show_value)d element, a nie powinna zawierać więcej niż "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista zawiera %(show_value)d elementów, a nie powinna zawierać więcej niż "
+"%(limit_value)d."
+msgstr[2] ""
+"Lista zawiera %(show_value)d elementów, a nie powinna zawierać więcej niż "
+"%(limit_value)d."
+msgstr[3] ""
+"Lista zawiera %(show_value)d elementów, a nie powinna zawierać więcej niż "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista zawiera %(show_value)d element, a powinna zawierać nie mniej niż "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista zawiera %(show_value)d elementów, a powinna zawierać nie mniej niż "
+"%(limit_value)d."
+msgstr[2] ""
+"Lista zawiera %(show_value)d elementów, a powinna zawierać nie mniej niż "
+"%(limit_value)d."
+msgstr[3] ""
+"Lista zawiera %(show_value)d elementów, a powinna zawierać nie mniej niż "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Brak części kluczy: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Podano nieznane klucze: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Upewnij się, że górna granica zakresu nie jest większa niż %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Upewnij się, że dolna granica zakresu nie jest mniejsza niż %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7f6ed0da
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fce5ed86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,107 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claudio Fernandes <squeral@gmail.com>, 2015
+# jorgecarleitao <jorgecarleitao@gmail.com>, 2015
+# Nuno Mariz <nmariz@gmail.com>, 2015,2017-2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensões de PostgresSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Item %(nth)s na lista não validou:"
+
+msgid "Nested arrays must have the same length."
+msgstr "As sub-listas têm de ter o mesmo tamanho."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapeamento de strings para strings/nulos"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "Não foi possível carregar os dados JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "A entrada deve ser um dicionário JSON."
+
+msgid "Enter two valid values."
+msgstr "Introduza dois valores válidos."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "O início da gama não pode ser maior que o seu fim."
+
+msgid "Enter two whole numbers."
+msgstr "Introduza dois números inteiros."
+
+msgid "Enter two numbers."
+msgstr "Introduza dois números."
+
+msgid "Enter two valid date/times."
+msgstr "Introduza duas datas/horas válidas."
+
+msgid "Enter two valid dates."
+msgstr "Introduza duas datas válidas."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista contém %(show_value)d item, não pode conter mais do que "
+"%(limit_value)d."
+msgstr[1] ""
+"A lista contém %(show_value)d itens, não pode conter mais do que "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista contém %(show_value)d item, tem de conter pelo menos %(limit_value)d."
+msgstr[1] ""
+"A lista contém %(show_value)d itens, tem de conter pelo menos "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Algumas chaves estão em falta: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Foram fornecidas algumas chaves desconhecidas: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Garanta que esta gama é toda ela menor ou igual a %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Garanta que esta gama é toda ela maior ou igual a %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3c39f569
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt_BR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7b1b3a45
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,123 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Andre Machado <csantos.machado@gmail.com>, 2016
+# Carlos C. Leite <caduado@gmail.com>, 2016,2019
+# Claudemiro Alves Feitosa Neto <dimiro1@gmail.com>, 2015
+# Fábio C. Barrionuevo da Luz <bnafta@gmail.com>, 2015
+# Jonas Rodrigues, 2023
+# Lucas Infante <maccinza@gmail.com>, 2015
+# Luiz Boaretto <lboaretto@gmail.com>, 2017
+# Marcelo Moro Brondani <mbrondani@inf.ufsm.br>, 2018
+# Rafael Ribeiro <pereiraribeirorafael@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Jonas Rodrigues, 2023\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensões para PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "O item %(nth)s na matriz não validou:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Matrizes aninhadas devem ter o mesmo comprimento."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapa de strings para strings/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "O valor da “%(key)s” não é string ou null."
+
+msgid "Could not load JSON data."
+msgstr "Não foi possível carregar dados JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Input deve ser um dicionário JSON"
+
+msgid "Enter two valid values."
+msgstr "Insira dois valores válidos."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "O inicio do intervalo não deve exceder o fim do intervalo."
+
+msgid "Enter two whole numbers."
+msgstr "Insira dois números cheios."
+
+msgid "Enter two numbers."
+msgstr "Insira dois números"
+
+msgid "Enter two valid date/times."
+msgstr "Insira duas datas/horas válidas."
+
+msgid "Enter two valid dates."
+msgstr "Insira duas datas válidas."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista contém um item %(show_value)d, não deveria conter mais que "
+"%(limit_value)d."
+msgstr[1] ""
+"A lista contém itens %(show_value)d, não deveria conter mais que "
+"%(limit_value)d."
+msgstr[2] ""
+"A lista contém itens %(show_value)d, não deveria conter mais que "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"A lista contém um item %(show_value)d, deveria conter não menos que "
+"%(limit_value)d."
+msgstr[1] ""
+"A lista contém %(show_value)d itens, deveria conter não menos que "
+"%(limit_value)d."
+msgstr[2] ""
+"A lista contém %(show_value)d itens, deveria conter não menos que "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Algumas chaves estavam faltando: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Algumas chaves desconhecidas foram fornecidos: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Certifique-se de que o limite superior do intervalo não seja maior que "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Assegure-se de que o limite inferior do intervalo não seja menor que "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0c34adb3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ae8e69db
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,120 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bogdan Mateescu, 2018
+# Eugenol Man <neatusebastian@gmail.com>, 2020
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2015,2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-07-06 17:14+0000\n"
+"Last-Translator: Eugenol Man <neatusebastian@gmail.com>\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Extensiile PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Elementul %(nth)s din mulțime nu s-a validat:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Vectorii imbricați trebuie să aibă aceeași lungime."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Asociere de șiruri de caractere cu șiruri de caractere/null."
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Valoarea “%(key)s” nu este un sir sau zero."
+
+msgid "Could not load JSON data."
+msgstr "Nu am putut încărca datele JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Intrarea trebuie să fie un dicționar JSON valid."
+
+msgid "Enter two valid values."
+msgstr "Introdu două valori valide."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+"Începutul intervalului nu trebuie să depășească sfârșitul intervalului."
+
+msgid "Enter two whole numbers."
+msgstr "Introdu două numere întregi."
+
+msgid "Enter two numbers."
+msgstr "Introdu două numere."
+
+msgid "Enter two valid date/times."
+msgstr "Introdu două date / ore valide."
+
+msgid "Enter two valid dates."
+msgstr "Introdu două date valide."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista conține %(show_value)d, nu ar trebui să conțină mai mult de "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista conține %(show_value)d, nu ar trebui să conțină mai mult de "
+"%(limit_value)d."
+msgstr[2] ""
+"Lista conține %(show_value)d, nu ar trebui să conțină mai mult de "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista conține %(show_value)d, nu ar trebui să conțină mai puțin de "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista conține %(show_value)d, nu ar trebui să conțină mai puțin de "
+"%(limit_value)d."
+msgstr[2] ""
+"Lista conține %(show_value)d, nu ar trebui să conțină mai puțin de "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Unele chei lipsesc: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Au fost furnizate chei necunoscute: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Asigură-te că intervalul este în întregime mai mic sau egal cu  "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
+"Asigură-te că intervalul este în întregime mai mare sau egal cu "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e74abd1a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ru/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bc5bf33f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,131 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eugene <eugene.mechanism@gmail.com>, 2016
+# eXtractor <evg.kirov@gmail.com>, 2015
+# crazyzubr <hjcnbckfd@gmail.com>, 2020
+# Kirill Gagarski <gagarin.gtn@gmail.com>, 2015
+# Вася Аникин <anikin.vasya@gmail.com>, 2017
+# Алексей Борискин <sun.void@gmail.com>, 2015-2018,2023
+# Bobsans <mr.bobsans@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Алексей Борискин <sun.void@gmail.com>, 2015-2018,2023\n"
+"Language-Team: Russian (http://app.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Расширения PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Элемент %(nth)s в массиве не прошёл проверку:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Вложенные массивы должны иметь одинаковую длину."
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+"Ассоциативный массив со строковыми ключами и строковыми или отсутствующими "
+"значениями."
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Значение “%(key)s” не является строкой или null."
+
+msgid "Could not load JSON data."
+msgstr "Не удалось загрузить JSON-данные."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Значение должно быть JSON-словарём."
+
+msgid "Enter two valid values."
+msgstr "Введите два правильных значения."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Начало диапазона не может превышать его предел."
+
+msgid "Enter two whole numbers."
+msgstr "Введите два целых числа."
+
+msgid "Enter two numbers."
+msgstr "Введите два числа."
+
+msgid "Enter two valid date/times."
+msgstr "Введите две правильные даты со временем."
+
+msgid "Enter two valid dates."
+msgstr "Введите две правильные даты."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Список содержит %(show_value)d элемент, однако количество элементов не "
+"должно превышать %(limit_value)d."
+msgstr[1] ""
+"Список содержит %(show_value)d элемента, однако количество элементов не "
+"должно превышать %(limit_value)d."
+msgstr[2] ""
+"Список содержит %(show_value)d элементов, однако количество элементов не "
+"должно превышать %(limit_value)d."
+msgstr[3] ""
+"Список содержит %(show_value)d элементов, однако количество элементов не "
+"должно превышать %(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Список содержит %(show_value)d элемент, однако количество элементов должно "
+"быть не меньше %(limit_value)d."
+msgstr[1] ""
+"Список содержит %(show_value)d элемента, однако количество элементов должно "
+"быть не меньше %(limit_value)d."
+msgstr[2] ""
+"Список содержит %(show_value)d элементов, однако количество элементов должно "
+"быть не меньше %(limit_value)d."
+msgstr[3] ""
+"Список содержит %(show_value)d элементов, однако количество элементов должно "
+"быть не меньше %(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Некоторые ключи пропущены: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+"Некоторые из предоставленных ключей не входят в список известных ключей: "
+"%(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Убедитесь, что верхняя граница диапазона не больше, чем %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Убедитесь, что нижняя граница диапазона не меньше, чем %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bad57294
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b9f5d4ce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,121 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Adam Zahradník, 2023
+# Martin Tóth <ezimir@gmail.com>, 2017-2018,2023
+# Peter Stríž <petulak8@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017-2018,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL rozšírenia"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "%(nth)s. položka poľa je neplatná:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Vnorené polia musia mať rovnakú dĺžku."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapovanie reťazcov na reťazce/NULL"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Hodnota s kľúčom „%(key)s“ nie je reťazec ani NULL."
+
+msgid "Could not load JSON data."
+msgstr "Údaje typu JSON sa nepodarilo načítať."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Vstup musí byť slovník vo formáte JSON."
+
+msgid "Enter two valid values."
+msgstr "Zadajte dve platné hodnoty."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Začiatočná hodnota rozsahu nesmie býť vyššia ako koncová hodnota."
+
+msgid "Enter two whole numbers."
+msgstr "Zadajte dve celé čísla."
+
+msgid "Enter two numbers."
+msgstr "Zadajte dve čísla."
+
+msgid "Enter two valid date/times."
+msgstr "Zadajte dva platné dátumy/časy."
+
+msgid "Enter two valid dates."
+msgstr "Zadajte dva platné dátumy."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať viac ako "
+"%(limit_value)d."
+msgstr[1] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať viac ako "
+"%(limit_value)d."
+msgstr[2] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať viac ako "
+"%(limit_value)d."
+msgstr[3] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať viac ako "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať menej ako "
+"%(limit_value)d."
+msgstr[1] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať menej ako "
+"%(limit_value)d."
+msgstr[2] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať menej ako "
+"%(limit_value)d."
+msgstr[3] ""
+"Zoznam obsahuje %(show_value)d položku, ale nemal by obsahovať menej ako "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Niektoré kľúče chýbajú: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Boli zadané neznáme kľúče: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Uistite sa, že horná hranica rozsahu nie je väčšia ako %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Uistite sa, že dolná hranica rozsahu nie je menšia ako %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..47a41df9
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b79c39ab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,120 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Andrej Marsetič, 2022
+# Primoz Verdnik <primoz.verdnik@gmail.com>, 2017
+# zejn <zelo.zejn+transifex@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Andrej Marsetič, 2022\n"
+"Language-Team: Slovenian (http://www.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || "
+"n%100==4 ? 2 : 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL razširitve"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "Gnezdeni seznami morajo imeti enako dolžino."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Preslikava nizev v nize/null"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Vrednost \"%(key)s\" ni niz ali ničelna vrednost."
+
+msgid "Could not load JSON data."
+msgstr "Ni bilo mogoče naložiti JSON podatkov."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Vhodni podatek mora biti JSON objekt."
+
+msgid "Enter two valid values."
+msgstr "Vnesite dve veljavni vrednosti."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Začetek območja mora biti po vrednosti manjši od konca območja."
+
+msgid "Enter two whole numbers."
+msgstr "Vnesite dve celi števili."
+
+msgid "Enter two numbers."
+msgstr "Vnesite dve števili."
+
+msgid "Enter two valid date/times."
+msgstr "Vnesite dva veljavna datuma oz. točki v času."
+
+msgid "Enter two valid dates."
+msgstr "Vnesite dva veljavna datuma."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Seznam vsebuje %(show_value)d element, moral pa bi jih imeti največ "
+"%(limit_value)d."
+msgstr[1] ""
+"Seznam vsebuje %(show_value)d elementa, moral pa bi jih imeti največ "
+"%(limit_value)d."
+msgstr[2] ""
+"Seznam vsebuje %(show_value)d elemente, moral pa bi jih imeti največ "
+"%(limit_value)d."
+msgstr[3] ""
+"Seznam vsebuje %(show_value)d elementov, moral pa bi jih imeti največ "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Seznam vsebuje %(show_value)d element, moral pa bi jih najmanj "
+"%(limit_value)d."
+msgstr[1] ""
+"Seznam vsebuje %(show_value)d elementa, moral pa bi jih najmanj "
+"%(limit_value)d."
+msgstr[2] ""
+"Seznam vsebuje %(show_value)d elemente, moral pa bi jih najmanj "
+"%(limit_value)d."
+msgstr[3] ""
+"Seznam vsebuje %(show_value)d elementov, moral pa bi jih najmanj "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Nekateri ključi manjkajo: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Navedeni so bili nekateri neznani ključi: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..898fc037
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sq/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cb773079
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,110 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik Bleta <besnik@programeshqip.org>, 2023
+# Besnik Bleta <besnik@programeshqip.org>, 2017-2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Besnik Bleta <besnik@programeshqip.org>, 2023\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Zgjerime PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Objekti %(nth)s te vargu nuk u vleftësua:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Vargjet brenda vargjesh duhet të kenë të njëjtën gjatësi."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Hartë vargjesh te strings/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Vlera e “%(key)s” s’është varg ose nul."
+
+msgid "Could not load JSON data."
+msgstr "S’u ngarkuan dot të dhëna JSON."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Vlera duhet të jetë një fjalor JSON."
+
+msgid "Enter two valid values."
+msgstr "Jepni dy vlera të vlefshme."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Fillimi i një intervali s’duhet të tejkalojë fundin e një intervali."
+
+msgid "Enter two whole numbers."
+msgstr "Jepni dy vlera të plota numrash."
+
+msgid "Enter two numbers."
+msgstr "Jepni dy numra."
+
+msgid "Enter two valid date/times."
+msgstr "Jepni dy data/kohë të vlefshme."
+
+msgid "Enter two valid dates."
+msgstr "Jepni dy data të vlefshme."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista përmban %(show_value)d element, duhet të përmbajë jo më shumë se "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista përmban %(show_value)d elementë, duhet të përmbajë jo më shumë se "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista përmban %(show_value)d element, duhet të përmbajë jo më pak "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista përmban %(show_value)d elementë, duhet të përmbajë jo më pak "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Mungojnë ca kyçe: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Janë dhënë kyçe të panjohur: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Garantoni që kufiri i sipërm i intervalit të mos jetë më i madh se "
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Garantoni që kufiri i poshtëm i intervalit të mos jetë më i vogël se "
+"%(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7d12ac89
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b7d796c7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,113 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Igor Jerosimić, 2020,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Igor Jerosimić, 2020,2023\n"
+"Language-Team: Serbian (http://www.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL екстензије"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Ставка %(nth)s у низу није валидирана:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Угњеждени низови морају да буду исте дужине."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Мапа знаковних ниски на знаковне ниске/null-ове"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Вредност “%(key)s” није знаковни низ или null."
+
+msgid "Could not load JSON data."
+msgstr "Не могу да учитам JSON податке."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Улазна вредност мора бити JSON dict."
+
+msgid "Enter two valid values."
+msgstr "Унесите две исправне вредности."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Почетак опсега не може бити преко краја опсега."
+
+msgid "Enter two whole numbers."
+msgstr "Унесите два цела броја."
+
+msgid "Enter two numbers."
+msgstr "Унесите два броја."
+
+msgid "Enter two valid date/times."
+msgstr "Унесите два исправна датума/времена."
+
+msgid "Enter two valid dates."
+msgstr "Унесите два исправна датума."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Листа садржи %(show_value)dставку, не би требало да садржи више од "
+"%(limit_value)d."
+msgstr[1] ""
+"Листа садржи %(show_value)d ставке, не би требало да садржи више од "
+"%(limit_value)d."
+msgstr[2] ""
+"Листа садржи %(show_value)d ставки, не би требало да садржи више од "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Листа садржи %(show_value)d ставку, не би требало да садржи мање од "
+"%(limit_value)d."
+msgstr[1] ""
+"Листа садржи %(show_value)d ставке, не би требало да садржи мање од "
+"%(limit_value)d."
+msgstr[2] ""
+"Листа садржи %(show_value)d ставки, не би требало да садржи мање од "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Неки кључеви недостају: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Дати су неки непознати кључеви: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "Осигурајте да горња граница опсега није већа од %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Осигурајте да доња граница опсега није мања од %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..74a26e36
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr_Latn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ce65e273
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,112 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2019-2020,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Igor Jerosimić, 2019-2020,2023\n"
+"Language-Team: Serbian (Latin) (http://www.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL ekstenzije"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Stavka %(nth)su nizu nije ispravna:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Ugnježdeni nizovi moraju da budu iste dužine."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Mapa znakovnih niski na  znakovne niske/null-ove"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Vrednost \"%(key)s\" nije znakovni niz ili null."
+
+msgid "Could not load JSON data."
+msgstr "Ne mogu da učitam JSON podatke."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Ulazna vrednost mora biti JSON dict."
+
+msgid "Enter two valid values."
+msgstr "Unesite dve ispravne vrednosti."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Početak opsega ne može biti preko kraja opsega."
+
+msgid "Enter two whole numbers."
+msgstr "Unesite dva cela broja."
+
+msgid "Enter two numbers."
+msgstr "Unesite dva broja."
+
+msgid "Enter two valid date/times."
+msgstr "Unesite dva ispravna datuma/vremena."
+
+msgid "Enter two valid dates."
+msgstr "Unesite dva ispravna datuma."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista sadrži %(show_value)dstavku, ne bi trebalo da sadrži više od "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista sadrži %(show_value)dstavke, ne bi trebalo da sadrži više od "
+"%(limit_value)d."
+msgstr[2] ""
+"Lista sadrži %(show_value)dstavki, ne bi trebalo da sadrži više od "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Lista sadrži %(show_value)dstavku, ne bi trebalo da sadrži manje od "
+"%(limit_value)d."
+msgstr[1] ""
+"Lista sadrži %(show_value)dstavke, ne bi trebalo da sadrži manje od "
+"%(limit_value)d."
+msgstr[2] ""
+"Lista sadrži %(show_value)dstavki, ne bi trebalo da sadrži manje od "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Neki ključevi nedostaju: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Dati su neki nepoznati ključevi: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "Osigurajte da gornja granica opsega nije veća od %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Osigurajte da donja granica opsega nije manja od %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..725396d3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a6cc037b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,110 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Anders Hovmöller <boxed@killingar.net>, 2023
+# Elias Johnstone <eli87as@gmail.com>, 2022
+# Gustaf Hansen <gustaf.hansen@gmail.com>, 2015
+# Jonathan Lindén, 2015
+# Petter Strandmark <petter.strandmark@gmail.com>, 2019
+# Thomas Lundqvist, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Anders Hovmöller <boxed@killingar.net>, 2023\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL-tillägg"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Element %(nth)s i arrayen gick inte att validera:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Flerdimensionella arrayer måste vara av samma längd"
+
+msgid "Map of strings to strings/nulls"
+msgstr "Funktion från sträng till sträng/null"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Värdet av “%(key)s” är inte en sträng eller null."
+
+msgid "Could not load JSON data."
+msgstr "Kunde inte ladda JSON-data."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Input måste vara en JSON-dictionary."
+
+msgid "Enter two valid values."
+msgstr "Fyll i två giltiga värden"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Starten av intervallet kan inte vara större än slutet av intervallet."
+
+msgid "Enter two whole numbers."
+msgstr "Fyll i två heltal."
+
+msgid "Enter two numbers."
+msgstr "Fyll i två tal."
+
+msgid "Enter two valid date/times."
+msgstr "Fyll i två giltiga datum/tider."
+
+msgid "Enter two valid dates."
+msgstr "Fyll i två giltiga datum."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listan innehåller %(show_value)d objekt, men kan inte innehålla fler än "
+"%(limit_value)d."
+msgstr[1] ""
+"Listan innehåller %(show_value)d objekt, men kan inte innehålla fler än "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Listan innehåller %(show_value)d objekt, men kan inte innehålla färre än "
+"%(limit_value)d."
+msgstr[1] ""
+"Listan innehåller %(show_value)d objekt, men kan inte innehålla färre än "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Några nycklar saknades: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Några okända okända nycklar skickades: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "Säkerställ att den övre gränsen inte överstiger %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Säkerställ att den undre gränsen inte understiger %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2e69e93f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fffabf5c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,101 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-15 00:32+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Расширения PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Элементи %(nth)s -и массив санҷишро нагузашт:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Массивҳои воридкардашуда бояд дарозиҳои якхела дошта бошанд."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Массивҳои strings ба strings/nulls"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr "Боркунии JSON-додаҳо муяссар нашуд."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Қимматҳо бояд дар шакли JSON-луғатҳо ворид карда шаванд."
+
+msgid "Enter two valid values."
+msgstr "Дуто қимати дуруст ворид созед."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Оғози фосила наметавонад қимати аз ҳудуди худ калонро қабул кунад."
+
+msgid "Enter two whole numbers."
+msgstr "Дуто адади яклухтро ворид созед."
+
+msgid "Enter two numbers."
+msgstr "Ду ададро ворид созед."
+
+msgid "Enter two valid date/times."
+msgstr "Санаро бо вақт дуруст ворид кунед."
+
+msgid "Enter two valid dates."
+msgstr "Дуто санаи дурустро ворид созед."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+msgstr[1] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Баъзе аз калидҳо истисно карда шудаанд: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+"Баъзе аз калидҳои овардашуда ба руйхати калидҳои маъмул дохил нестанд: "
+"%(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+"Мутмаин гардед, ки ҳамаи қиматҳои мутаалиқ ба ин фосила, кам ё баробаранд ба:"
+"%(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Мутмаин шавед ки ин фосила зиёд ё баробаранд ба: %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..06bda564
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6253652d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,107 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Resulkary <resulsaparov@gmail.com>, 2020
+# Welbeck Garli <welbeckgrlyw@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-07-15 16:27+0000\n"
+"Last-Translator: Welbeck Garli <welbeckgrlyw@gmail.com>\n"
+"Language-Team: Turkmen (http://www.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL giňeltmeleri"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr ""
+
+msgid "Nested arrays must have the same length."
+msgstr "Iç-içe massiwleriň deň uzynlygy bolmaly."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Setirleriň setirler/boşluklara kartasy"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "\"%(key)s\" netijesi setir ýa-da boş däl"
+
+msgid "Could not load JSON data."
+msgstr "JSON maglumatlary ýükläp bolmady."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Giriş JSON sözlügi bolmaly."
+
+msgid "Enter two valid values."
+msgstr "Iki sany dogry baha giriziň."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Aralygyň başlangyjy soňundan ýokary bolmaly däldir."
+
+msgid "Enter two whole numbers."
+msgstr "iki sany esasy san giriziň."
+
+msgid "Enter two numbers."
+msgstr "Iki sany san giriz"
+
+msgid "Enter two valid date/times."
+msgstr "Iki sany dogry senäni/wagty giriziň."
+
+msgid "Enter two valid dates."
+msgstr "Iki sany dogry sene giriziň."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Bu listda %(show_value)d element bar, asyl %(limit_value)ddan köp element "
+"bolmaly däldir."
+msgstr[1] ""
+"Bu listda %(show_value)d element bar, asyl %(limit_value)ddan köp element "
+"bolmaly däldir."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Bu listda %(show_value)d element bar, asyl %(limit_value)ddan az element "
+"bolmaly däldir."
+msgstr[1] ""
+"Bu listda %(show_value)d element bar, asyl %(limit_value)ddan az element "
+"bolmaly däldir."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Käbir açarlar ýok: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Käbir bilinmeýän açarlar girizilen: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "Şu iki aralygyň %(limit_value)s'a deň ýa-da azdygyna göz ýetiriň."
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "Şu iki aralygyň %(limit_value)s'a deň ýa-da köpdügine göz ýetiriň."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..849a5e70
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e8c4ea9d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,109 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# BouRock, 2015-2019,2023
+# BouRock, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: BouRock, 2015-2019,2023\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL uzantıları"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Dizilimdeki %(nth)s öğesi doğrulanmadı:"
+
+msgid "Nested arrays must have the same length."
+msgstr "İç içe dizilimler aynı uzunlukta olmak zorunda."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Dizgiler/boşlar olarak dizgilerin eşlemesi"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "“%(key)s” değeri bir dizgi ya da boş değil."
+
+msgid "Could not load JSON data."
+msgstr "JSON verisi yüklenemedi."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Bir JSON dizini girilmek zorundadır."
+
+msgid "Enter two valid values."
+msgstr "Iki geçerli değer girin."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Aralığın başlangıcı aralığın bitişini aşmamak zorundadır."
+
+msgid "Enter two whole numbers."
+msgstr "Bütün iki sayıyı girin."
+
+msgid "Enter two numbers."
+msgstr "İki sayı girin."
+
+msgid "Enter two valid date/times."
+msgstr "Geçerli iki tarih/saat girin."
+
+msgid "Enter two valid dates."
+msgstr "Geçerli iki tarih girin."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Liste %(show_value)d öğe içeriyor, %(limit_value)d değerden daha fazla "
+"içermemelidir."
+msgstr[1] ""
+"Liste %(show_value)d öğe içeriyor, %(limit_value)d değerden daha fazla "
+"içermemelidir."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Liste %(show_value)d öğe içeriyor, %(limit_value)d değerden daha az "
+"içermemelidir."
+msgstr[1] ""
+"Liste %(show_value)d öğe içeriyor, %(limit_value)d değerden daha az "
+"içermemelidir."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Bazı anahtarlar eksik: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Bazı bilinmeyen anahtarlar verilmiş: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"Aralığın üst sınırının %(limit_value)s değerinden büyük olmadığından emin "
+"olun."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"Aralığın alt sınırının %(limit_value)s değerinden az olmadığından emin olun."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08b016ea
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c0a400bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,107 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+# Azat, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-12-04 09:22+0000\n"
+"Last-Translator: Azat, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL كېڭەيتمىلەر"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "تىزىملىكتىكى %(nth)s تەرتىپلىك ئېلېمېنت توغرىلانمىدى:"
+
+msgid "Nested arrays must have the same length."
+msgstr "ئىچكى تىزىملىكلەرنىڭ ئۇزۇنلۇقى ئوخشاش بولۇشى كېرەك."
+
+msgid "Map of strings to strings/nulls"
+msgstr "تېكىستلەرنىڭ/نۇللارنىڭ خەرىتىسى"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "“%(key)s” نىڭ قىممىتى تېكىست ياكى نۇلل ئەمەس."
+
+msgid "Could not load JSON data."
+msgstr "JSON سانلىق مەلۇماتنى يۈكلىيەلمىدى."
+
+msgid "Input must be a JSON dictionary."
+msgstr "كىرگۈزۈلگىنى چوقۇم JSON لۇغىتى بولۇشى لازىم."
+
+msgid "Enter two valid values."
+msgstr "ئىككى ئىناۋەتلىك قىممەت كىرگۈزۈلىدۇ."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "دائىرەنىڭ باشلىنىشى دائىرەنىڭ ئاخىرىدىن ئېشىپ كەتمەسلىكى كېرەك."
+
+msgid "Enter two whole numbers."
+msgstr "ئىككى پۈتۈن سان كىرگۈزۈلىدۇ."
+
+msgid "Enter two numbers."
+msgstr "ئىككى سان كىرگۈزۈلىدۇ."
+
+msgid "Enter two valid date/times."
+msgstr "ئىناۋەتلىك ئىككى چېسلا/ۋاقىت كىرگۈزۈلىدۇ."
+
+msgid "Enter two valid dates."
+msgstr "ئىككى ئىناۋەتلىك چېسلا كىرگۈزۈلىدۇ."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"تىزىملىك %(show_value)d تەرتىپلىك ئېلېمېنت ئۆز ئىچىگە ئالىدۇ، بۇنىڭدا "
+"%(limit_value)d تەرتىپلىك ئېلېمېنتتىن ئاشماسلىكى كېرەك."
+msgstr[1] ""
+"تىزىملىك %(show_value)d تەرتىپلىك ئېلېمېنت ئۆز ئىچىگە ئالىدۇ، بۇنىڭدا "
+"%(limit_value)d تەرتىپلىك ئېلېمېنتتىن ئاشماسلىكى كېرەك."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"تىزىملىك %(show_value)d تەرتىپلىك ئېلېمېنت ئۆز ئىچىگە ئالىدۇ، بۇنىڭدا "
+"%(limit_value)d تەرتىپلىك ئېلېمېنتتىن كەم بولماسلىغى كېرەك."
+msgstr[1] ""
+"تىزىملىك %(show_value)d تەرتىپلىك ئېلېمېنت ئۆز ئىچىگە ئالىدۇ، بۇنىڭدا "
+"%(limit_value)d تەرتىپلىك ئېلېمېنتتىن كەم بولماسلىغى كېرەك."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "بەزى ئاچقۇچلار يوق: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "بەزى ئاچقۇچلار تەمىنلەنمىگەن: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr ""
+"دائىرەنىڭ يۇقىرى چەكلىمىسى%(limit_value)s دىن چوڭ بولماسلىكىنى جەزملەڭ."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr ""
+"دائىرەنىڭ ئاستى چەكلىمىسى %(limit_value)s دىن ئاز بولماسلىكىنى جەزملەڭ."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..60e9d924
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..282a03b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,126 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Andriy Sokolovskiy <me@asokolovskiy.com>, 2015
+# Denis Podlesniy <haos616@gmail.com>, 2016
+# Igor Melnyk, 2017
+# Illia Volochii <illia.volochii@gmail.com>, 2021,2023
+# Kirill Gagarski <gagarin.gtn@gmail.com>, 2015-2016
+# tarasyyyk <taras.korzhak96@gmail.com>, 2018
+# Zoriana Zaiats, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>, 2021,2023\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "PostgreSQL extensions"
+msgstr "Розширення PostgreSQL"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Елемент %(nth)s у масиві не коректний:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Вкладени масиви повинні бути одинакової довжини."
+
+msgid "Map of strings to strings/nulls"
+msgstr "Асоціативний масив із рядків у рядки/обнулення"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "Значення “%(key)s” не є рядком чи null."
+
+msgid "Could not load JSON data."
+msgstr "Не вдалося завантажити JSON-дані."
+
+msgid "Input must be a JSON dictionary."
+msgstr "Значення повинне бути JSON-словником."
+
+msgid "Enter two valid values."
+msgstr "Введіть два корректних значення."
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "Початок діапазону не повинен перевищувати кінець діапазону."
+
+msgid "Enter two whole numbers."
+msgstr "Введіть два ціліх числа."
+
+msgid "Enter two numbers."
+msgstr "Введіть два числа."
+
+msgid "Enter two valid date/times."
+msgstr "Введіть дві коректні дати з часом."
+
+msgid "Enter two valid dates."
+msgstr "Введіть дві коректні дати."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+"Список містить %(show_value)d елемент, кількість яких не має перевищувати "
+"%(limit_value)d."
+msgstr[1] ""
+"Список містить %(show_value)d елементи, кількість яких не має перевищувати "
+"%(limit_value)d."
+msgstr[2] ""
+"Список містить %(show_value)d елементів, кількість яких не має перевищувати "
+"%(limit_value)d."
+msgstr[3] ""
+"Список містить %(show_value)d елементів, кількість яких не має перевищувати "
+"%(limit_value)d."
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+"Список містить %(show_value)d елемент, кількість яких не має бути не менша "
+"%(limit_value)d."
+msgstr[1] ""
+"Список містить %(show_value)d елементів, кількість яких не має бути не менша "
+"%(limit_value)d."
+msgstr[2] ""
+"Список містить %(show_value)d елемента, кількість яких не має бути не менша "
+"%(limit_value)d."
+msgstr[3] ""
+"Список містить %(show_value)d елемента, кількість яких не має бути не менша "
+"%(limit_value)d."
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "Не вистачає наступних ключів: %(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "Були надані наступні невідомі ключі: %(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "Переконайтеся, що верхня межа діапазону не перевищує %(limit_value)s."
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "Переконайтеся, що нижня межа діапазону не менша ніж %(limit_value)s."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uz/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uz/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f2d4c0db
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uz/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uz/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uz/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ca8a24c4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/uz/LC_MESSAGES/django.po
@@ -0,0 +1,95 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abdulaminkhon Khaydarov <webdasturuz@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-07-25 17:13+0000\n"
+"Last-Translator: Abdulaminkhon Khaydarov <webdasturuz@gmail.com>\n"
+"Language-Team: Uzbek (http://www.transifex.com/django/django/language/uz/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uz\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL kengaytmalar"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "Massiv %(nth)s elementi tasdiqlanmadi:"
+
+msgid "Nested arrays must have the same length."
+msgstr "Ichki massivlar bir xil uzunlikda bo'lishi kerak."
+
+msgid "Map of strings to strings/nulls"
+msgstr ""
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr ""
+
+msgid "Could not load JSON data."
+msgstr ""
+
+msgid "Input must be a JSON dictionary."
+msgstr ""
+
+msgid "Enter two valid values."
+msgstr ""
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr ""
+
+msgid "Enter two whole numbers."
+msgstr ""
+
+msgid "Enter two numbers."
+msgstr ""
+
+msgid "Enter two valid date/times."
+msgstr ""
+
+msgid "Enter two valid dates."
+msgstr ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] ""
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] ""
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr ""
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3e0c1409
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hans/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ac0b4b86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,100 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Lele Long <schemacs@gmail.com>, 2015,2017
+# Liping Wang <lynn.config@gmail.com>, 2016
+# Liping Wang <lynn.config@gmail.com>, 2016
+# wang zhao <672565116@qq.com>, 2018
+# wolf ice <warwolf7677@163.com>, 2020
+# 高乐喆 <gaolezhe@outlook.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2023-01-17 02:13-0600\n"
+"PO-Revision-Date: 2023-04-19 09:22+0000\n"
+"Last-Translator: 高乐喆 <gaolezhe@outlook.com>, 2023\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL 扩展。"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "数组中的%(nth)s项目没有验证："
+
+msgid "Nested arrays must have the same length."
+msgstr "嵌套数组必须是相同长度。"
+
+msgid "Map of strings to strings/nulls"
+msgstr "字符串到字符串/空的映射"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "“%(key)s”的值不是一个字符串或null"
+
+msgid "Could not load JSON data."
+msgstr "不能加载JSON数据。"
+
+msgid "Input must be a JSON dictionary."
+msgstr "输入必须是JSON字典。"
+
+msgid "Enter two valid values."
+msgstr "输入两个有效的值。"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "区间开头不能超过区间结尾。"
+
+msgid "Enter two whole numbers."
+msgstr "输入两个整数。"
+
+msgid "Enter two numbers."
+msgstr "输入两个数字。"
+
+msgid "Enter two valid date/times."
+msgstr "输入两个有效的日期／时间。"
+
+msgid "Enter two valid dates."
+msgstr "输入两个有效日期。"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] "列表已包含 %(show_value)d 项，不应该超过 %(limit_value)d 项。"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] "列表已包含 %(show_value)d 项，不应该少于 %(limit_value)d 项。"
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "某些键缺失：%(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "包含未知的键：%(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that the upper bound of the range is not greater than %(limit_value)s."
+msgstr "确保范围的上限不大于%(limit_value)s。"
+
+#, python-format
+msgid ""
+"Ensure that the lower bound of the range is not less than %(limit_value)s."
+msgstr "确保范围的下限不小于%(limit_value)s。"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7e72afdd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hant/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5a6f178b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,97 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016-2017,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-05-11 20:56+0200\n"
+"PO-Revision-Date: 2020-05-12 20:01+0000\n"
+"Last-Translator: Transifex Bot <>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "PostgreSQL extensions"
+msgstr "PostgreSQL 擴充"
+
+#, python-format
+msgid "Item %(nth)s in the array did not validate:"
+msgstr "陣列中第 %(nth)s 個物件驗證失敗："
+
+msgid "Nested arrays must have the same length."
+msgstr "各嵌套陣列長度必須相同。"
+
+msgid "Map of strings to strings/nulls"
+msgstr "字串與字串/空值的對應"
+
+#, python-format
+msgid "The value of “%(key)s” is not a string or null."
+msgstr "「%(key)s」並非字串或空值。"
+
+msgid "Could not load JSON data."
+msgstr "無法載入 JSON 資料。"
+
+msgid "Input must be a JSON dictionary."
+msgstr "必須輸入 JSON dictionary。"
+
+msgid "Enter two valid values."
+msgstr "請輸入兩個有效的值"
+
+msgid "The start of the range must not exceed the end of the range."
+msgstr "範圍的起始不可超過範圍的結束。"
+
+msgid "Enter two whole numbers."
+msgstr "請輸入兩個整數"
+
+msgid "Enter two numbers."
+msgstr "請輸入兩個數字"
+
+msgid "Enter two valid date/times."
+msgstr "請輸入兩個有效的日期/時間"
+
+msgid "Enter two valid dates."
+msgstr "請輸入兩個有效的日期"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no more than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no more than "
+"%(limit_value)d."
+msgstr[0] "串列包含 %(show_value)d 個物件，但不應包含多於 %(limit_value)d 個。"
+
+#, python-format
+msgid ""
+"List contains %(show_value)d item, it should contain no fewer than "
+"%(limit_value)d."
+msgid_plural ""
+"List contains %(show_value)d items, it should contain no fewer than "
+"%(limit_value)d."
+msgstr[0] "串列包含 %(show_value)d 個物件，但應至少包含 %(limit_value)d 個。"
+
+#, python-format
+msgid "Some keys were missing: %(keys)s"
+msgstr "缺少鍵值：%(keys)s"
+
+#, python-format
+msgid "Some unknown keys were provided: %(keys)s"
+msgstr "包含不明鍵值：%(keys)s"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely less than or equal to %(limit_value)s."
+msgstr "請確認此範圍是否完全小於或等於 %(limit_value)s。"
+
+#, python-format
+msgid ""
+"Ensure that this range is completely greater than or equal to "
+"%(limit_value)s."
+msgstr "請確認此範圍是否完全大於或等於 %(limit_value)s。"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/lookups.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/lookups.py
new file mode 100644
index 00000000..4e1783f2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/lookups.py
@@ -0,0 +1,78 @@
+from django.db.models import Transform
+from django.db.models.lookups import PostgresOperatorLookup
+from django.db.models.sql.query import Query
+
+from .search import SearchVector, SearchVectorExact, SearchVectorField
+
+
+class DataContains(PostgresOperatorLookup):
+    lookup_name = "contains"
+    postgres_operator = "@>"
+
+
+class ContainedBy(PostgresOperatorLookup):
+    lookup_name = "contained_by"
+    postgres_operator = "<@"
+
+
+class Overlap(PostgresOperatorLookup):
+    lookup_name = "overlap"
+    postgres_operator = "&&"
+
+    def get_prep_lookup(self):
+        from .expressions import ArraySubquery
+
+        if isinstance(self.rhs, Query):
+            self.rhs = ArraySubquery(self.rhs)
+        return super().get_prep_lookup()
+
+
+class HasKey(PostgresOperatorLookup):
+    lookup_name = "has_key"
+    postgres_operator = "?"
+    prepare_rhs = False
+
+
+class HasKeys(PostgresOperatorLookup):
+    lookup_name = "has_keys"
+    postgres_operator = "?&"
+
+    def get_prep_lookup(self):
+        return [str(item) for item in self.rhs]
+
+
+class HasAnyKeys(HasKeys):
+    lookup_name = "has_any_keys"
+    postgres_operator = "?|"
+
+
+class Unaccent(Transform):
+    bilateral = True
+    lookup_name = "unaccent"
+    function = "UNACCENT"
+
+
+class SearchLookup(SearchVectorExact):
+    lookup_name = "search"
+
+    def process_lhs(self, qn, connection):
+        if not isinstance(self.lhs.output_field, SearchVectorField):
+            config = getattr(self.rhs, "config", None)
+            self.lhs = SearchVector(self.lhs, config=config)
+        lhs, lhs_params = super().process_lhs(qn, connection)
+        return lhs, lhs_params
+
+
+class TrigramSimilar(PostgresOperatorLookup):
+    lookup_name = "trigram_similar"
+    postgres_operator = "%%"
+
+
+class TrigramWordSimilar(PostgresOperatorLookup):
+    lookup_name = "trigram_word_similar"
+    postgres_operator = "%%>"
+
+
+class TrigramStrictWordSimilar(PostgresOperatorLookup):
+    lookup_name = "trigram_strict_word_similar"
+    postgres_operator = "%%>>"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/operations.py
new file mode 100644
index 00000000..5ac396be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/operations.py
@@ -0,0 +1,333 @@
+from django.contrib.postgres.signals import (
+    get_citext_oids,
+    get_hstore_oids,
+    register_type_handlers,
+)
+from django.db import NotSupportedError, router
+from django.db.migrations import AddConstraint, AddIndex, RemoveIndex
+from django.db.migrations.operations.base import Operation
+from django.db.models.constraints import CheckConstraint
+
+
+class CreateExtension(Operation):
+    reversible = True
+
+    def __init__(self, name):
+        self.name = name
+
+    def state_forwards(self, app_label, state):
+        pass
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        if schema_editor.connection.vendor != "postgresql" or not router.allow_migrate(
+            schema_editor.connection.alias, app_label
+        ):
+            return
+        if not self.extension_exists(schema_editor, self.name):
+            schema_editor.execute(
+                "CREATE EXTENSION IF NOT EXISTS %s"
+                % schema_editor.quote_name(self.name)
+            )
+        # Clear cached, stale oids.
+        get_hstore_oids.cache_clear()
+        get_citext_oids.cache_clear()
+        # Registering new type handlers cannot be done before the extension is
+        # installed, otherwise a subsequent data migration would use the same
+        # connection.
+        register_type_handlers(schema_editor.connection)
+        if hasattr(schema_editor.connection, "register_geometry_adapters"):
+            schema_editor.connection.register_geometry_adapters(
+                schema_editor.connection.connection, True
+            )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        if not router.allow_migrate(schema_editor.connection.alias, app_label):
+            return
+        if self.extension_exists(schema_editor, self.name):
+            schema_editor.execute(
+                "DROP EXTENSION IF EXISTS %s" % schema_editor.quote_name(self.name)
+            )
+        # Clear cached, stale oids.
+        get_hstore_oids.cache_clear()
+        get_citext_oids.cache_clear()
+
+    def extension_exists(self, schema_editor, extension):
+        with schema_editor.connection.cursor() as cursor:
+            cursor.execute(
+                "SELECT 1 FROM pg_extension WHERE extname = %s",
+                [extension],
+            )
+            return bool(cursor.fetchone())
+
+    def describe(self):
+        return "Creates extension %s" % self.name
+
+    @property
+    def migration_name_fragment(self):
+        return "create_extension_%s" % self.name
+
+
+class BloomExtension(CreateExtension):
+    def __init__(self):
+        self.name = "bloom"
+
+
+class BtreeGinExtension(CreateExtension):
+    def __init__(self):
+        self.name = "btree_gin"
+
+
+class BtreeGistExtension(CreateExtension):
+    def __init__(self):
+        self.name = "btree_gist"
+
+
+class CITextExtension(CreateExtension):
+    def __init__(self):
+        self.name = "citext"
+
+
+class CryptoExtension(CreateExtension):
+    def __init__(self):
+        self.name = "pgcrypto"
+
+
+class HStoreExtension(CreateExtension):
+    def __init__(self):
+        self.name = "hstore"
+
+
+class TrigramExtension(CreateExtension):
+    def __init__(self):
+        self.name = "pg_trgm"
+
+
+class UnaccentExtension(CreateExtension):
+    def __init__(self):
+        self.name = "unaccent"
+
+
+class NotInTransactionMixin:
+    def _ensure_not_in_transaction(self, schema_editor):
+        if schema_editor.connection.in_atomic_block:
+            raise NotSupportedError(
+                "The %s operation cannot be executed inside a transaction "
+                "(set atomic = False on the migration)." % self.__class__.__name__
+            )
+
+
+class AddIndexConcurrently(NotInTransactionMixin, AddIndex):
+    """Create an index using PostgreSQL's CREATE INDEX CONCURRENTLY syntax."""
+
+    atomic = False
+
+    def describe(self):
+        return "Concurrently create index %s on field(s) %s of model %s" % (
+            self.index.name,
+            ", ".join(self.index.fields),
+            self.model_name,
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        self._ensure_not_in_transaction(schema_editor)
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.add_index(model, self.index, concurrently=True)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        self._ensure_not_in_transaction(schema_editor)
+        model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.remove_index(model, self.index, concurrently=True)
+
+
+class RemoveIndexConcurrently(NotInTransactionMixin, RemoveIndex):
+    """Remove an index using PostgreSQL's DROP INDEX CONCURRENTLY syntax."""
+
+    atomic = False
+
+    def describe(self):
+        return "Concurrently remove index %s from %s" % (self.name, self.model_name)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        self._ensure_not_in_transaction(schema_editor)
+        model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            from_model_state = from_state.models[app_label, self.model_name_lower]
+            index = from_model_state.get_index_by_name(self.name)
+            schema_editor.remove_index(model, index, concurrently=True)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        self._ensure_not_in_transaction(schema_editor)
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            to_model_state = to_state.models[app_label, self.model_name_lower]
+            index = to_model_state.get_index_by_name(self.name)
+            schema_editor.add_index(model, index, concurrently=True)
+
+
+class CollationOperation(Operation):
+    def __init__(self, name, locale, *, provider="libc", deterministic=True):
+        self.name = name
+        self.locale = locale
+        self.provider = provider
+        self.deterministic = deterministic
+
+    def state_forwards(self, app_label, state):
+        pass
+
+    def deconstruct(self):
+        kwargs = {"name": self.name, "locale": self.locale}
+        if self.provider and self.provider != "libc":
+            kwargs["provider"] = self.provider
+        if self.deterministic is False:
+            kwargs["deterministic"] = self.deterministic
+        return (
+            self.__class__.__qualname__,
+            [],
+            kwargs,
+        )
+
+    def create_collation(self, schema_editor):
+        args = {"locale": schema_editor.quote_name(self.locale)}
+        if self.provider != "libc":
+            args["provider"] = schema_editor.quote_name(self.provider)
+        if self.deterministic is False:
+            args["deterministic"] = "false"
+        schema_editor.execute(
+            "CREATE COLLATION %(name)s (%(args)s)"
+            % {
+                "name": schema_editor.quote_name(self.name),
+                "args": ", ".join(
+                    f"{option}={value}" for option, value in args.items()
+                ),
+            }
+        )
+
+    def remove_collation(self, schema_editor):
+        schema_editor.execute(
+            "DROP COLLATION %s" % schema_editor.quote_name(self.name),
+        )
+
+
+class CreateCollation(CollationOperation):
+    """Create a collation."""
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        if schema_editor.connection.vendor != "postgresql" or not router.allow_migrate(
+            schema_editor.connection.alias, app_label
+        ):
+            return
+        self.create_collation(schema_editor)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        if not router.allow_migrate(schema_editor.connection.alias, app_label):
+            return
+        self.remove_collation(schema_editor)
+
+    def describe(self):
+        return f"Create collation {self.name}"
+
+    @property
+    def migration_name_fragment(self):
+        return "create_collation_%s" % self.name.lower()
+
+
+class RemoveCollation(CollationOperation):
+    """Remove a collation."""
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        if schema_editor.connection.vendor != "postgresql" or not router.allow_migrate(
+            schema_editor.connection.alias, app_label
+        ):
+            return
+        self.remove_collation(schema_editor)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        if not router.allow_migrate(schema_editor.connection.alias, app_label):
+            return
+        self.create_collation(schema_editor)
+
+    def describe(self):
+        return f"Remove collation {self.name}"
+
+    @property
+    def migration_name_fragment(self):
+        return "remove_collation_%s" % self.name.lower()
+
+
+class AddConstraintNotValid(AddConstraint):
+    """
+    Add a table constraint without enforcing validation, using PostgreSQL's
+    NOT VALID syntax.
+    """
+
+    def __init__(self, model_name, constraint):
+        if not isinstance(constraint, CheckConstraint):
+            raise TypeError(
+                "AddConstraintNotValid.constraint must be a check constraint."
+            )
+        super().__init__(model_name, constraint)
+
+    def describe(self):
+        return "Create not valid constraint %s on model %s" % (
+            self.constraint.name,
+            self.model_name,
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            constraint_sql = self.constraint.create_sql(model, schema_editor)
+            if constraint_sql:
+                # Constraint.create_sql returns interpolated SQL which makes
+                # params=None a necessity to avoid escaping attempts on
+                # execution.
+                schema_editor.execute(str(constraint_sql) + " NOT VALID", params=None)
+
+    @property
+    def migration_name_fragment(self):
+        return super().migration_name_fragment + "_not_valid"
+
+
+class ValidateConstraint(Operation):
+    """Validate a table NOT VALID constraint."""
+
+    def __init__(self, model_name, name):
+        self.model_name = model_name
+        self.name = name
+
+    def describe(self):
+        return "Validate constraint %s on model %s" % (self.name, self.model_name)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.execute(
+                "ALTER TABLE %s VALIDATE CONSTRAINT %s"
+                % (
+                    schema_editor.quote_name(model._meta.db_table),
+                    schema_editor.quote_name(self.name),
+                )
+            )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        # PostgreSQL does not provide a way to make a constraint invalid.
+        pass
+
+    def state_forwards(self, app_label, state):
+        pass
+
+    @property
+    def migration_name_fragment(self):
+        return "%s_validate_%s" % (self.model_name.lower(), self.name.lower())
+
+    def deconstruct(self):
+        return (
+            self.__class__.__name__,
+            [],
+            {
+                "model_name": self.model_name,
+                "name": self.name,
+            },
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/search.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/search.py
new file mode 100644
index 00000000..4d279857
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/search.py
@@ -0,0 +1,383 @@
+from django.db.models import (
+    CharField,
+    Expression,
+    Field,
+    FloatField,
+    Func,
+    Lookup,
+    TextField,
+    Value,
+)
+from django.db.models.expressions import CombinedExpression, register_combinable_fields
+from django.db.models.functions import Cast, Coalesce
+
+
+class SearchVectorExact(Lookup):
+    lookup_name = "exact"
+
+    def process_rhs(self, qn, connection):
+        if not isinstance(self.rhs, (SearchQuery, CombinedSearchQuery)):
+            config = getattr(self.lhs, "config", None)
+            self.rhs = SearchQuery(self.rhs, config=config)
+        rhs, rhs_params = super().process_rhs(qn, connection)
+        return rhs, rhs_params
+
+    def as_sql(self, qn, connection):
+        lhs, lhs_params = self.process_lhs(qn, connection)
+        rhs, rhs_params = self.process_rhs(qn, connection)
+        params = lhs_params + rhs_params
+        return "%s @@ %s" % (lhs, rhs), params
+
+
+class SearchVectorField(Field):
+    def db_type(self, connection):
+        return "tsvector"
+
+
+class SearchQueryField(Field):
+    def db_type(self, connection):
+        return "tsquery"
+
+
+class _Float4Field(Field):
+    def db_type(self, connection):
+        return "float4"
+
+
+class SearchConfig(Expression):
+    def __init__(self, config):
+        super().__init__()
+        if not hasattr(config, "resolve_expression"):
+            config = Value(config)
+        self.config = config
+
+    @classmethod
+    def from_parameter(cls, config):
+        if config is None or isinstance(config, cls):
+            return config
+        return cls(config)
+
+    def get_source_expressions(self):
+        return [self.config]
+
+    def set_source_expressions(self, exprs):
+        (self.config,) = exprs
+
+    def as_sql(self, compiler, connection):
+        sql, params = compiler.compile(self.config)
+        return "%s::regconfig" % sql, params
+
+
+class SearchVectorCombinable:
+    ADD = "||"
+
+    def _combine(self, other, connector, reversed):
+        if not isinstance(other, SearchVectorCombinable):
+            raise TypeError(
+                "SearchVector can only be combined with other SearchVector "
+                "instances, got %s." % type(other).__name__
+            )
+        if reversed:
+            return CombinedSearchVector(other, connector, self, self.config)
+        return CombinedSearchVector(self, connector, other, self.config)
+
+
+register_combinable_fields(
+    SearchVectorField, SearchVectorCombinable.ADD, SearchVectorField, SearchVectorField
+)
+
+
+class SearchVector(SearchVectorCombinable, Func):
+    function = "to_tsvector"
+    arg_joiner = " || ' ' || "
+    output_field = SearchVectorField()
+
+    def __init__(self, *expressions, config=None, weight=None):
+        super().__init__(*expressions)
+        self.config = SearchConfig.from_parameter(config)
+        if weight is not None and not hasattr(weight, "resolve_expression"):
+            weight = Value(weight)
+        self.weight = weight
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        resolved = super().resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        if self.config:
+            resolved.config = self.config.resolve_expression(
+                query, allow_joins, reuse, summarize, for_save
+            )
+        return resolved
+
+    def as_sql(self, compiler, connection, function=None, template=None):
+        clone = self.copy()
+        clone.set_source_expressions(
+            [
+                Coalesce(
+                    (
+                        expression
+                        if isinstance(expression.output_field, (CharField, TextField))
+                        else Cast(expression, TextField())
+                    ),
+                    Value(""),
+                )
+                for expression in clone.get_source_expressions()
+            ]
+        )
+        config_sql = None
+        config_params = []
+        if template is None:
+            if clone.config:
+                config_sql, config_params = compiler.compile(clone.config)
+                template = "%(function)s(%(config)s, %(expressions)s)"
+            else:
+                template = clone.template
+        sql, params = super(SearchVector, clone).as_sql(
+            compiler,
+            connection,
+            function=function,
+            template=template,
+            config=config_sql,
+        )
+        extra_params = []
+        if clone.weight:
+            weight_sql, extra_params = compiler.compile(clone.weight)
+            sql = "setweight({}, {})".format(sql, weight_sql)
+
+        return sql, config_params + params + extra_params
+
+
+class CombinedSearchVector(SearchVectorCombinable, CombinedExpression):
+    def __init__(self, lhs, connector, rhs, config, output_field=None):
+        self.config = config
+        super().__init__(lhs, connector, rhs, output_field)
+
+
+class SearchQueryCombinable:
+    BITAND = "&&"
+    BITOR = "||"
+
+    def _combine(self, other, connector, reversed):
+        if not isinstance(other, SearchQueryCombinable):
+            raise TypeError(
+                "SearchQuery can only be combined with other SearchQuery "
+                "instances, got %s." % type(other).__name__
+            )
+        if reversed:
+            return CombinedSearchQuery(other, connector, self, self.config)
+        return CombinedSearchQuery(self, connector, other, self.config)
+
+    # On Combinable, these are not implemented to reduce confusion with Q. In
+    # this case we are actually (ab)using them to do logical combination so
+    # it's consistent with other usage in Django.
+    def __or__(self, other):
+        return self._combine(other, self.BITOR, False)
+
+    def __ror__(self, other):
+        return self._combine(other, self.BITOR, True)
+
+    def __and__(self, other):
+        return self._combine(other, self.BITAND, False)
+
+    def __rand__(self, other):
+        return self._combine(other, self.BITAND, True)
+
+
+class SearchQuery(SearchQueryCombinable, Func):
+    output_field = SearchQueryField()
+    SEARCH_TYPES = {
+        "plain": "plainto_tsquery",
+        "phrase": "phraseto_tsquery",
+        "raw": "to_tsquery",
+        "websearch": "websearch_to_tsquery",
+    }
+
+    def __init__(
+        self,
+        value,
+        output_field=None,
+        *,
+        config=None,
+        invert=False,
+        search_type="plain",
+    ):
+        self.function = self.SEARCH_TYPES.get(search_type)
+        if self.function is None:
+            raise ValueError("Unknown search_type argument '%s'." % search_type)
+        if not hasattr(value, "resolve_expression"):
+            value = Value(value)
+        expressions = (value,)
+        self.config = SearchConfig.from_parameter(config)
+        if self.config is not None:
+            expressions = (self.config,) + expressions
+        self.invert = invert
+        super().__init__(*expressions, output_field=output_field)
+
+    def as_sql(self, compiler, connection, function=None, template=None):
+        sql, params = super().as_sql(compiler, connection, function, template)
+        if self.invert:
+            sql = "!!(%s)" % sql
+        return sql, params
+
+    def __invert__(self):
+        clone = self.copy()
+        clone.invert = not self.invert
+        return clone
+
+    def __str__(self):
+        result = super().__str__()
+        return ("~%s" % result) if self.invert else result
+
+
+class CombinedSearchQuery(SearchQueryCombinable, CombinedExpression):
+    def __init__(self, lhs, connector, rhs, config, output_field=None):
+        self.config = config
+        super().__init__(lhs, connector, rhs, output_field)
+
+    def __str__(self):
+        return "(%s)" % super().__str__()
+
+
+class SearchRank(Func):
+    function = "ts_rank"
+    output_field = FloatField()
+
+    def __init__(
+        self,
+        vector,
+        query,
+        weights=None,
+        normalization=None,
+        cover_density=False,
+    ):
+        from .fields.array import ArrayField
+
+        if not hasattr(vector, "resolve_expression"):
+            vector = SearchVector(vector)
+        if not hasattr(query, "resolve_expression"):
+            query = SearchQuery(query)
+        expressions = (vector, query)
+        if weights is not None:
+            if not hasattr(weights, "resolve_expression"):
+                weights = Value(weights)
+            weights = Cast(weights, ArrayField(_Float4Field()))
+            expressions = (weights,) + expressions
+        if normalization is not None:
+            if not hasattr(normalization, "resolve_expression"):
+                normalization = Value(normalization)
+            expressions += (normalization,)
+        if cover_density:
+            self.function = "ts_rank_cd"
+        super().__init__(*expressions)
+
+
+class SearchHeadline(Func):
+    function = "ts_headline"
+    template = "%(function)s(%(expressions)s%(options)s)"
+    output_field = TextField()
+
+    def __init__(
+        self,
+        expression,
+        query,
+        *,
+        config=None,
+        start_sel=None,
+        stop_sel=None,
+        max_words=None,
+        min_words=None,
+        short_word=None,
+        highlight_all=None,
+        max_fragments=None,
+        fragment_delimiter=None,
+    ):
+        if not hasattr(query, "resolve_expression"):
+            query = SearchQuery(query)
+        options = {
+            "StartSel": start_sel,
+            "StopSel": stop_sel,
+            "MaxWords": max_words,
+            "MinWords": min_words,
+            "ShortWord": short_word,
+            "HighlightAll": highlight_all,
+            "MaxFragments": max_fragments,
+            "FragmentDelimiter": fragment_delimiter,
+        }
+        self.options = {
+            option: value for option, value in options.items() if value is not None
+        }
+        expressions = (expression, query)
+        if config is not None:
+            config = SearchConfig.from_parameter(config)
+            expressions = (config,) + expressions
+        super().__init__(*expressions)
+
+    def as_sql(self, compiler, connection, function=None, template=None):
+        options_sql = ""
+        options_params = []
+        if self.options:
+            options_params.append(
+                ", ".join(
+                    connection.ops.compose_sql(f"{option}=%s", [value])
+                    for option, value in self.options.items()
+                )
+            )
+            options_sql = ", %s"
+        sql, params = super().as_sql(
+            compiler,
+            connection,
+            function=function,
+            template=template,
+            options=options_sql,
+        )
+        return sql, params + options_params
+
+
+SearchVectorField.register_lookup(SearchVectorExact)
+
+
+class TrigramBase(Func):
+    output_field = FloatField()
+
+    def __init__(self, expression, string, **extra):
+        if not hasattr(string, "resolve_expression"):
+            string = Value(string)
+        super().__init__(expression, string, **extra)
+
+
+class TrigramWordBase(Func):
+    output_field = FloatField()
+
+    def __init__(self, string, expression, **extra):
+        if not hasattr(string, "resolve_expression"):
+            string = Value(string)
+        super().__init__(string, expression, **extra)
+
+
+class TrigramSimilarity(TrigramBase):
+    function = "SIMILARITY"
+
+
+class TrigramDistance(TrigramBase):
+    function = ""
+    arg_joiner = " <-> "
+
+
+class TrigramWordDistance(TrigramWordBase):
+    function = ""
+    arg_joiner = " <<-> "
+
+
+class TrigramStrictWordDistance(TrigramWordBase):
+    function = ""
+    arg_joiner = " <<<-> "
+
+
+class TrigramWordSimilarity(TrigramWordBase):
+    function = "WORD_SIMILARITY"
+
+
+class TrigramStrictWordSimilarity(TrigramWordBase):
+    function = "STRICT_WORD_SIMILARITY"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/serializers.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/serializers.py
new file mode 100644
index 00000000..d04bfdbc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/serializers.py
@@ -0,0 +1,10 @@
+from django.db.migrations.serializer import BaseSerializer
+
+
+class RangeSerializer(BaseSerializer):
+    def serialize(self):
+        module = self.value.__class__.__module__
+        # Ranges are implemented in psycopg2._range but the public import
+        # location is psycopg2.extras.
+        module = "psycopg2.extras" if module == "psycopg2._range" else module
+        return "%s.%r" % (module, self.value), {"import %s" % module}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/signals.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/signals.py
new file mode 100644
index 00000000..a3816d3d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/signals.py
@@ -0,0 +1,80 @@
+import functools
+
+from django.db import connections
+from django.db.backends.base.base import NO_DB_ALIAS
+from django.db.backends.postgresql.psycopg_any import is_psycopg3
+
+
+def get_type_oids(connection_alias, type_name):
+    with connections[connection_alias].cursor() as cursor:
+        cursor.execute(
+            "SELECT oid, typarray FROM pg_type WHERE typname = %s", (type_name,)
+        )
+        oids = []
+        array_oids = []
+        for row in cursor:
+            oids.append(row[0])
+            array_oids.append(row[1])
+        return tuple(oids), tuple(array_oids)
+
+
+@functools.lru_cache
+def get_hstore_oids(connection_alias):
+    """Return hstore and hstore array OIDs."""
+    return get_type_oids(connection_alias, "hstore")
+
+
+@functools.lru_cache
+def get_citext_oids(connection_alias):
+    """Return citext and citext array OIDs."""
+    return get_type_oids(connection_alias, "citext")
+
+
+if is_psycopg3:
+    from psycopg.types import TypeInfo, hstore
+
+    def register_type_handlers(connection, **kwargs):
+        if connection.vendor != "postgresql" or connection.alias == NO_DB_ALIAS:
+            return
+
+        oids, array_oids = get_hstore_oids(connection.alias)
+        for oid, array_oid in zip(oids, array_oids):
+            ti = TypeInfo("hstore", oid, array_oid)
+            hstore.register_hstore(ti, connection.connection)
+
+        _, citext_oids = get_citext_oids(connection.alias)
+        for array_oid in citext_oids:
+            ti = TypeInfo("citext", 0, array_oid)
+            ti.register(connection.connection)
+
+else:
+    import psycopg2
+    from psycopg2.extras import register_hstore
+
+    def register_type_handlers(connection, **kwargs):
+        if connection.vendor != "postgresql" or connection.alias == NO_DB_ALIAS:
+            return
+
+        oids, array_oids = get_hstore_oids(connection.alias)
+        # Don't register handlers when hstore is not available on the database.
+        #
+        # If someone tries to create an hstore field it will error there. This is
+        # necessary as someone may be using PSQL without extensions installed but
+        # be using other features of contrib.postgres.
+        #
+        # This is also needed in order to create the connection in order to install
+        # the hstore extension.
+        if oids:
+            register_hstore(
+                connection.connection, globally=True, oid=oids, array_oid=array_oids
+            )
+
+        oids, citext_oids = get_citext_oids(connection.alias)
+        # Don't register handlers when citext is not available on the database.
+        #
+        # The same comments in the above call to register_hstore() also apply here.
+        if oids:
+            array_type = psycopg2.extensions.new_array_type(
+                citext_oids, "citext[]", psycopg2.STRING
+            )
+            psycopg2.extensions.register_type(array_type, None)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/templates/postgres/widgets/split_array.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/templates/postgres/widgets/split_array.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/templates/postgres/widgets/split_array.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/utils.py
new file mode 100644
index 00000000..e4f4d815
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/utils.py
@@ -0,0 +1,29 @@
+from django.core.exceptions import ValidationError
+from django.utils.functional import SimpleLazyObject
+from django.utils.text import format_lazy
+
+
+def prefix_validation_error(error, prefix, code, params):
+    """
+    Prefix a validation error message while maintaining the existing
+    validation data structure.
+    """
+    if error.error_list == [error]:
+        error_params = error.params or {}
+        return ValidationError(
+            # We can't simply concatenate messages since they might require
+            # their associated parameters to be expressed correctly which
+            # is not something `format_lazy` does. For example, proxied
+            # ngettext calls require a count parameter and are converted
+            # to an empty string if they are missing it.
+            message=format_lazy(
+                "{} {}",
+                SimpleLazyObject(lambda: prefix % params),
+                SimpleLazyObject(lambda: error.message % error_params),
+            ),
+            code=code,
+            params={**error_params, **params},
+        )
+    return ValidationError(
+        [prefix_validation_error(e, prefix, code, params) for e in error.error_list]
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/validators.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/validators.py
new file mode 100644
index 00000000..330b69b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/postgres/validators.py
@@ -0,0 +1,91 @@
+from django.core.exceptions import ValidationError
+from django.core.validators import (
+    MaxLengthValidator,
+    MaxValueValidator,
+    MinLengthValidator,
+    MinValueValidator,
+)
+from django.utils.deconstruct import deconstructible
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ngettext_lazy
+
+
+class ArrayMaxLengthValidator(MaxLengthValidator):
+    message = ngettext_lazy(
+        "List contains %(show_value)d item, it should contain no more than "
+        "%(limit_value)d.",
+        "List contains %(show_value)d items, it should contain no more than "
+        "%(limit_value)d.",
+        "show_value",
+    )
+
+
+class ArrayMinLengthValidator(MinLengthValidator):
+    message = ngettext_lazy(
+        "List contains %(show_value)d item, it should contain no fewer than "
+        "%(limit_value)d.",
+        "List contains %(show_value)d items, it should contain no fewer than "
+        "%(limit_value)d.",
+        "show_value",
+    )
+
+
+@deconstructible
+class KeysValidator:
+    """A validator designed for HStore to require/restrict keys."""
+
+    messages = {
+        "missing_keys": _("Some keys were missing: %(keys)s"),
+        "extra_keys": _("Some unknown keys were provided: %(keys)s"),
+    }
+    strict = False
+
+    def __init__(self, keys, strict=False, messages=None):
+        self.keys = set(keys)
+        self.strict = strict
+        if messages is not None:
+            self.messages = {**self.messages, **messages}
+
+    def __call__(self, value):
+        keys = set(value)
+        missing_keys = self.keys - keys
+        if missing_keys:
+            raise ValidationError(
+                self.messages["missing_keys"],
+                code="missing_keys",
+                params={"keys": ", ".join(missing_keys)},
+            )
+        if self.strict:
+            extra_keys = keys - self.keys
+            if extra_keys:
+                raise ValidationError(
+                    self.messages["extra_keys"],
+                    code="extra_keys",
+                    params={"keys": ", ".join(extra_keys)},
+                )
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, self.__class__)
+            and self.keys == other.keys
+            and self.messages == other.messages
+            and self.strict == other.strict
+        )
+
+
+class RangeMaxValueValidator(MaxValueValidator):
+    def compare(self, a, b):
+        return a.upper is None or a.upper > b
+
+    message = _(
+        "Ensure that the upper bound of the range is not greater than %(limit_value)s."
+    )
+
+
+class RangeMinValueValidator(MinValueValidator):
+    def compare(self, a, b):
+        return a.lower is None or a.lower < b
+
+    message = _(
+        "Ensure that the lower bound of the range is not less than %(limit_value)s."
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/__pycache__/models.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/__pycache__/models.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/admin.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/admin.py
new file mode 100644
index 00000000..39400ad2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/admin.py
@@ -0,0 +1,10 @@
+from django.contrib import admin
+from django.contrib.redirects.models import Redirect
+
+
+@admin.register(Redirect)
+class RedirectAdmin(admin.ModelAdmin):
+    list_display = ("old_path", "new_path")
+    list_filter = ("site",)
+    search_fields = ("old_path", "new_path")
+    radio_fields = {"site": admin.VERTICAL}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/apps.py
new file mode 100644
index 00000000..d7706711
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/apps.py
@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class RedirectsConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.redirects"
+    verbose_name = _("Redirects")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/af/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..379ef046
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Charl du Plessis <cjdupless@gmail.com>, 2021
+# F Wolff <friedel@translate.org.za>, 2019,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 18:32+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>, 2019,2023\n"
+"Language-Team: Afrikaans (http://app.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Aansture"
+
+msgid "site"
+msgstr "werf"
+
+msgid "redirect from"
+msgstr "aanstuurvorm"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Hierdie moet ’n absolute pad wees met die domeinnaam uitgesluit. Soos "
+"byvoorbeeld: “/events/search/”."
+
+msgid "redirect to"
+msgstr "stuur aan na"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Hierdie kan óf 'n absolute pad wees (soos bo) óf ’n volledige URL wees wat "
+"begin met ’n skema soos “https://”."
+
+msgid "redirect"
+msgstr "aanstuur"
+
+msgid "redirects"
+msgstr "aansture"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..97afd319
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..523327a0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2016,2021
+# Bashar Al-Abdulhadi, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Muaaz Alsaied, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-10-15 21:27+0000\n"
+"Last-Translator: Bashar Al-Abdulhadi\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Redirects"
+msgstr "إعادات التوجيه"
+
+msgid "site"
+msgstr "موقع"
+
+msgid "redirect from"
+msgstr "إعادة التوجيه من"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "يجب أن يكون هذا مساراً مطلقاً وبدون اسم النطاق. مثال: “/events/search/”."
+
+msgid "redirect to"
+msgstr "إعادة التوجيه إلى"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"يجب أن يكون هذا مسارا مطلقا (كما هو أعلاه) أو عنوانا كاملا يبدأ بالمقطع "
+"“https://”."
+
+msgid "redirect"
+msgstr "إعادة التوجيه"
+
+msgid "redirects"
+msgstr "إعادات التوجيه"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6da32dd0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jihad Bahmaid Al-Halki, 2022
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2022-07-24 18:32+0000\n"
+"Last-Translator: Jihad Bahmaid Al-Halki\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Redirects"
+msgstr "إعادات التوجيه"
+
+msgid "site"
+msgstr "موقع"
+
+msgid "redirect from"
+msgstr "إعادة التوجيه من"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "يجب أن يكون هذا مساراً مطلقاً وبدون اسم النطاق. مثال: '/events/search/'."
+
+msgid "redirect to"
+msgstr "إعادة التوجيه إلى"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"قد يكون هذا المسار منتهي الصلاحية (كما هو موضح أعلاه) أو أن العنوان له بادئة "
+"بصيغة مثل\"https://\"."
+
+msgid "redirect"
+msgstr "إعادة التوجيه"
+
+msgid "redirects"
+msgstr "إعادات التوجيه"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6d2d993e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..908c0202
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 19:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "redireicionáu de"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Esto debería ser un camín absolutu, escluyendo'l nome de dominiu. Exemplu: '/"
+"events/search/'."
+
+msgid "redirect to"
+msgstr "redireicionáu a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Esto pue tamién ser un camín absolutu (como enriba) o una URL completa "
+"entamando con 'http://'."
+
+msgid "redirect"
+msgstr "redireicionar"
+
+msgid "redirects"
+msgstr "redireiciones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8f00ebdb
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f1713bb5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Emin Mastizada <emin@linux.com>, 2020
+# Emin Mastizada <emin@linux.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-01-12 06:46+0000\n"
+"Last-Translator: Emin Mastizada <emin@linux.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Yönləndirmələr"
+
+msgid "site"
+msgstr "sayt"
+
+msgid "redirect from"
+msgstr "buradan yönəlt"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "Bu, domen adı xaric, mütləq yol olmalıdır. Məsələn: “/events/search/”."
+
+msgid "redirect to"
+msgstr "bura yönəlt"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"“http://”."
+msgstr ""
+"Bu həm mütləq yol (yuxarıdakı kimi), həm də “http://” ilə başlayan tam URL "
+"ola bilər."
+
+msgid "redirect"
+msgstr "yönəlt"
+
+msgid "redirects"
+msgstr "yönəldir"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/be/LC_MESSAGES/django.mo
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..667bddc5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2015
+# znotdead <zhirafchik@gmail.com>, 2016,2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 17:28+0000\n"
+"Last-Translator: znotdead <zhirafchik@gmail.com>\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Redirects"
+msgstr "Перанакіраванні"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "redirect from"
+msgstr "накіраваць з"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Тут мусіць быць поўны шлях бяз назвы дамэна. Прыклад: “/events/search/”."
+
+msgid "redirect to"
+msgstr "накіраваць да"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Тут, як і ўверсе, мусіць быць поўны шлях, або поўная сеціўная спасылка, якая "
+"пачынаецца з “https://”."
+
+msgid "redirect"
+msgstr "накіраваньне"
+
+msgid "redirects"
+msgstr "накіраваньні"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f47e6046
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0fc628b0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# arneatec <arneatec@gmail.com>, 2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Venelin Stoykov <vkstoykov@gmail.com>, 2015
+# vestimir <vestimir@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2022-01-14 11:55+0000\n"
+"Last-Translator: arneatec <arneatec@gmail.com>\n"
+"Language-Team: Bulgarian (http://www.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Препратки"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "redirect from"
+msgstr "препратка от"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Това трябва да бъде абсолютен път, без името на домейна.  Пример: \"/events/"
+"search/\"."
+
+msgid "redirect to"
+msgstr "препратка към"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Това може да бъде или абсолютен път (като горното) или пълен URL, започващ "
+"със схема, например \"https://\"."
+
+msgid "redirect"
+msgstr "препратка"
+
+msgid "redirects"
+msgstr "препратки"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bn/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f7a93349
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "রিডাইরেক্ট করা হবে"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"এর মান অবশ্যই এবসল্যুট পথ, ডোমেইন নাম বাদ দিয়ে, হতে হবে, উদাহরণঃ '/events/"
+"search/'।"
+
+msgid "redirect to"
+msgstr "রিডাইরেক্ট করুন"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr "এর মান এবসল্যুট পথ (উপরের মত) অথবা পুরো URL পাথ ('http://' সহ) হতে পারে।"
+
+msgid "redirect"
+msgstr "রিডাইরেক্ট"
+
+msgid "redirects"
+msgstr "রিডাইরেক্ট"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3c20edc0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..920f0686
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,54 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fulup <fulup.jakez@gmail.com>, 2012
+# Irriep Nala Novram <allannkorh@yahoo.fr>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2018-10-19 23:15+0000\n"
+"Last-Translator: Irriep Nala Novram <allannkorh@yahoo.fr>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "Redirects"
+msgstr "Adkasadennoù"
+
+msgid "site"
+msgstr "lec'hienn"
+
+msgid "redirect from"
+msgstr "adkaset eus"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"An dra-se a rankfe bezañ un hent absolud, en ur dennañ an holl anvioù "
+"domani. Da skouer: '/events/search /'."
+
+msgid "redirect to"
+msgstr "adkas da"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"An dra-se a c'hall bezañ un hent absolud (evel a-us) pe un URL klok o kregiñ "
+"gant 'http://'."
+
+msgid "redirect"
+msgstr "adkas"
+
+msgid "redirects"
+msgstr "adkasoù"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bs/LC_MESSAGES/django.mo
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index 00000000..f986b59c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b4f065e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "preusmjeren sa"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Ovo mora biti apsolutna putanja bez imena domena. Na primjer: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "preusmjeri ka"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Ovo može biti ili apsolutna putanja (kao gore) ili pun URL koji počinje sa "
+"'http://'."
+
+msgid "redirect"
+msgstr "preusmjeravanje"
+
+msgid "redirects"
+msgstr "preusmjeravanja"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ca/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e94f9c8a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,54 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2021
+# Carles Barrobés <carles@barrobes.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Manel Clos <manelclos@gmail.com>, 2020
+# Roger Pons <rogerpons@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-10-27 09:06+0000\n"
+"Last-Translator: Antoni Aloy <aaloy@apsl.net>\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redireccions"
+
+msgid "site"
+msgstr "lloc"
+
+msgid "redirect from"
+msgstr "redirecció des de"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Aquesta ruta hauria de ser una camí absolut, excloent-ne el nom del domini. "
+"Exemple: '/events/search/'."
+
+msgid "redirect to"
+msgstr "redirigir a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Això pot ser bé una ruta absoluta (com a sobre) o una URL completa que "
+"comenci per un esquema com 'https://'."
+
+msgid "redirect"
+msgstr "redirecció"
+
+msgid "redirects"
+msgstr "redireccions"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5e5fad98
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..596f66db
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# kosar tofiq <kosar.belana@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-04-24 18:32+0000\n"
+"Last-Translator: kosar tofiq <kosar.belana@gmail.com>, 2021\n"
+"Language-Team: Central Kurdish (http://www.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "ئاڕاستەکردنەوەکان"
+
+msgid "site"
+msgstr "پێگە"
+
+msgid "redirect from"
+msgstr "ئاڕاستەکردنەوە لە"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"ئەمە دەبێت ڕێجکەیەکی ڕەهابێت، بەبێ ناوی دۆمەین. نمونە: “/events/search/”."
+
+msgid "redirect to"
+msgstr "ئاڕاستەکردنەوە بۆ"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"دەکرێت ئەمە یان ڕچکەی ڕەها بێت (وەکو سەرەوە) یان هەموو URL بێت کە بە سکیم "
+"دەستپێبکات وەک “https://”."
+
+msgid "redirect"
+msgstr "ئاڕاستەکردنەوە"
+
+msgid "redirects"
+msgstr "ئاڕاستەکردنەوەکان"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..978d833d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..08c57c4e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2014
+# Vláďa Macek <macek@sandbox.cz>, 2015,2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-18 23:14+0000\n"
+"Last-Translator: Vláďa Macek <macek@sandbox.cz>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Redirects"
+msgstr "Přesměrování"
+
+msgid "site"
+msgstr "web"
+
+msgid "redirect from"
+msgstr "přesměrovat z"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Toto by měla být absolutní cesta bez domény. Příklad: \"/udalosti/hledat/\"."
+
+msgid "redirect to"
+msgstr "přesměrovat na"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Toto by měla být buď absolutní cesta (jako výše) nebo plná adresa URL "
+"začínající schématem, tedy například \"https://\"."
+
+msgid "redirect"
+msgstr "přesměrování"
+
+msgid "redirects"
+msgstr "přesměrování"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..737534d9
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ab8a4288
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2012,2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Redirects"
+msgstr "Ailgyfeiriadau"
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "ailgyfeirio o"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Dylai hon fod yn lwybr absoliwt, heb yr enw parth. Er enghraifft: '/"
+"digwyddiadau/chwilio/'."
+
+msgid "redirect to"
+msgstr "ailgyfeirio i"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Gellir fod naill ai yn lwybr absoliwt (fel uchod) neu URL llawn yn dechrau â "
+"'http://'."
+
+msgid "redirect"
+msgstr "ailgyfeiriad"
+
+msgid "redirects"
+msgstr "ailgyfeiriadau"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dfe4c631
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0c6521c2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2021
+# Erik Ramsgaard Wognsen <r4mses@gmail.com>, 2014-2015,2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 18:30+0000\n"
+"Last-Translator: Erik Ramsgaard Wognsen <r4mses@gmail.com>\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Omdirigeringer"
+
+msgid "site"
+msgstr "webside"
+
+msgid "redirect from"
+msgstr "omdiriger fra"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Dette skal være en absolut sti uden domænenavnet. Eksempel: “/nyheder/soeg/”"
+
+msgid "redirect to"
+msgstr "omdiriger til"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Dette kan være enten en absolut sti (som ovenfor) eller en hel URL der "
+"starter med en protokol, fx “https://”."
+
+msgid "redirect"
+msgstr "omdiriger"
+
+msgid "redirects"
+msgstr "omdirigeringer"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/de/LC_MESSAGES/django.mo
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index 00000000..2db36dcd
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..78f928a5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Hagenbruch, 2015
+# Florian Apolloner <florian@apolloner.eu>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011,2013-2017,2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-28 17:21+0000\n"
+"Last-Translator: Raphael Michel <mail@raphaelmichel.de>\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Umleitungen"
+
+msgid "site"
+msgstr "Website"
+
+msgid "redirect from"
+msgstr "Umleitung von"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Hier sollte ein absoluter Pfad stehen, ohne den Domainnamen. Beispiel: „/"
+"events/search/“."
+
+msgid "redirect to"
+msgstr "Umleitung nach"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Hier muss entweder ein absoluter Pfad (wie darüber) oder eine komplette URL "
+"mit einem Schema, wie zum Beispiel „https://“, stehen."
+
+msgid "redirect"
+msgstr "Umleitung"
+
+msgid "redirects"
+msgstr "Umleitungen"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ab747ca7
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..06b51fff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2020-2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-01 22:11+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Redirects"
+msgstr "Dalejpósrědnjenja"
+
+msgid "site"
+msgstr "sedło"
+
+msgid "redirect from"
+msgstr "dalejpósrědnjenje wót"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"To by dejało absolutna sćažka byś, mimo domenowego mjenja. Pśikład: „/events/"
+"search/“."
+
+msgid "redirect to"
+msgstr "dalejpósrědnjenje do"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"To móžo pak absolutna sćažka byś (ako górjejce) pak dopołny URL, kótaryž "
+"zachopina se z „https://“."
+
+msgid "redirect"
+msgstr "dalejpósrědnjenje"
+
+msgid "redirects"
+msgstr "dalejpósrědnjenja"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..89b919c1
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c1d13e79
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nick Mavrakis <mavrakis.n@gmail.com>, 2016
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+# Serafeim Papastefanos <spapas@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-06-03 18:27+0000\n"
+"Last-Translator: Serafeim Papastefanos <spapas@gmail.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Ανακατευθύνσεις"
+
+msgid "site"
+msgstr "ιστότοπος"
+
+msgid "redirect from"
+msgstr "ανακατεύθυνση από"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Πρέπει να είναι ένα απόλυτο μονοπάτι χωρίς το όνομα τομέα. Για παράδειγμα \"/"
+"events/search\"."
+
+msgid "redirect to"
+msgstr "ανακατεύθυνση προς"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Μπορεί να είναι είτε ένα απόλυτο μονοπάτι (όπως πιο πάνω) είτε ένα πλήρες "
+"URL που ξεκινά με κατάλληλο σχημα πχ \"https://\"."
+
+msgid "redirect"
+msgstr "ανακατεύθυνση"
+
+msgid "redirects"
+msgstr "ανακατευθύνσεις"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..01a3eb7c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: contrib/redirects/apps.py:8
+msgid "Redirects"
+msgstr ""
+
+#: contrib/redirects/models.py:7
+msgid "site"
+msgstr ""
+
+#: contrib/redirects/models.py:9
+msgid "redirect from"
+msgstr ""
+
+#: contrib/redirects/models.py:12
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+
+#: contrib/redirects/models.py:15
+msgid "redirect to"
+msgstr ""
+
+#: contrib/redirects/models.py:19
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+
+#: contrib/redirects/models.py:25
+msgid "redirect"
+msgstr ""
+
+#: contrib/redirects/models.py:26
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_AU/LC_MESSAGES/django.mo
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index 00000000..f8b5bf15
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..13be8adf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Tom Fifield <tom@tomfifield.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-11 13:16+0000\n"
+"Last-Translator: Tom Fifield <tom@tomfifield.net>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/django/django/"
+"language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirects"
+
+msgid "site"
+msgstr "site"
+
+msgid "redirect from"
+msgstr "redirect from"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+
+msgid "redirect to"
+msgstr "redirect to"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+
+msgid "redirect"
+msgstr "redirect"
+
+msgid "redirects"
+msgstr "redirects"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c3627466
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d86a8e9a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ross Poulton <ross@rossp.org>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "redirect from"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+
+msgid "redirect to"
+msgstr "redirect to"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+
+msgid "redirect"
+msgstr "redirect"
+
+msgid "redirects"
+msgstr "redirects"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..dfe94128
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..72c4b91e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2011
+# Batist D 🐍 <baptiste+transifex@darthenay.fr>, 2014-2015
+# kristjan <kristjan.schmidt@googlemail.com>, 2011
+# Meiyer <interdist+translations@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2022-04-24 18:32+0000\n"
+"Last-Translator: Meiyer <interdist+translations@gmail.com>, 2022\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Alidirektigiloj"
+
+msgid "site"
+msgstr "retejo"
+
+msgid "redirect from"
+msgstr "alidirektigo de"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+
+msgid "redirect to"
+msgstr "alidirektigo al"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+
+msgid "redirect"
+msgstr "alidirektigilo"
+
+msgid "redirects"
+msgstr "alidirektigiloj"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..715b3722
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..808849ed
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2015
+# e4db27214f7e7544f2022c647b585925_bb0e321, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Uriel Medina <urimeba511@gmail.com>, 2020-2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-11 05:54+0000\n"
+"Last-Translator: Uriel Medina <urimeba511@gmail.com>\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirecciones"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "redirect from"
+msgstr "redireccionar desde"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Esta debe ser una ruta absoluta, excluyendo el nombre de dominio. Ejemplo: “/"
+"eventos/búsqueda/”."
+
+msgid "redirect to"
+msgstr "redireccionar a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Esto puede ser una ruta absoluta (como se indica arriba) o una URL completa "
+"que comience con un esquema como \"https: //\"."
+
+msgid "redirect"
+msgstr "redirección"
+
+msgid "redirects"
+msgstr "redirecciones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_AR/LC_MESSAGES/django.mo
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index 00000000..f690dc3c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1eb774c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2014-2015,2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-21 13:00+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Spanish (Argentina) (http://www.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirecciones"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "redirect from"
+msgstr "redirigir desde"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Esta ruta debe ser absoluta, excluyendo el nombre de dominio. Ejemplo: “/"
+"events/search”."
+
+msgid "redirect to"
+msgstr "redirigir a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Esto puede ser bien una ruta absoluta (como arriba) o una URL completa que "
+"empiece con un esquema, por ejemplo “https://”."
+
+msgid "redirect"
+msgstr "redirección"
+
+msgid "redirects"
+msgstr "redirecciones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_CO/LC_MESSAGES/django.mo
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index 00000000..e591305e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2e84843c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carlos Muñoz <cmuozdiaz@outlook.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 22:02+0000\n"
+"Last-Translator: Carlos Muñoz <cmuozdiaz@outlook.com>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirecciones"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "redirect from"
+msgstr "redirigir desde"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Esta ruta debería ser absoluta, excluyendo el nombre de dominio. Ejemplo: '/"
+"events/search/'."
+
+msgid "redirect to"
+msgstr "redirigir a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Esto puede ser una ruta absoluta (como antes) o una URL completa que empiece "
+"con 'http://'."
+
+msgid "redirect"
+msgstr "redirección"
+
+msgid "redirects"
+msgstr "redirecciones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_MX/LC_MESSAGES/django.mo
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index 00000000..e7f3b41b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..73c1eb26
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abe Estrada, 2011
+# Alex Dzul <alexexc2@gmail.com>, 2015
+# Jesús Bautista <jesbam98@gmail.com>, 2019
+# zodman <zodman@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-12-26 16:57+0000\n"
+"Last-Translator: Jesús Bautista <jesbam98@gmail.com>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirección"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "redirect from"
+msgstr "redirigir desde"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Esta debería ser una ruta absoluta, excluyendo el nombre de dominio. Por "
+"ejemplo: \"/events/search/\"."
+
+msgid "redirect to"
+msgstr "redirigir a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"“http://”."
+msgstr ""
+"Esto puede ser una ruta absoluta (como arriba) o una URL completa que "
+"comience con \"http://\"."
+
+msgid "redirect"
+msgstr "redirigir"
+
+msgid "redirects"
+msgstr "redirecciona"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_VE/LC_MESSAGES/django.mo
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index 00000000..32f6e8fd
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..392e5d32
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/projects/p/"
+"django/language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "redirect from"
+msgstr ""
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr ""
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr ""
+
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b9b37bae
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..43ed0792
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,54 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2015
+# Martin <martinpajuste@gmail.com>, 2021
+# Marti Raudsepp <marti@juffo.org>, 2014
+# Ragnar Rebase <rrebase@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-22 11:23+0000\n"
+"Last-Translator: Martin <martinpajuste@gmail.com>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Ümbersuunamised"
+
+msgid "site"
+msgstr "sait"
+
+msgid "redirect from"
+msgstr "ümbersuunatav asukoht"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"See peaks olema absoluutne asukoht, v.a. domeeninimi. Näide: “/events/"
+"search/”."
+
+msgid "redirect to"
+msgstr "suuna aadressile"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"See võib olla kas absoluutne asukoht (nagu ülemine) või täielik URL, mis "
+"algab skeemiga nagu “https://”."
+
+msgid "redirect"
+msgstr "suunamine"
+
+msgid "redirects"
+msgstr "suunamised"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eu/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ccd0ffe3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eneko Illarramendi <eneko@illarra.com>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Urtzi Odriozola <urtzi.odriozola@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-18 15:50+0000\n"
+"Last-Translator: Urtzi Odriozola <urtzi.odriozola@gmail.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirects"
+
+msgid "site"
+msgstr "webgunea"
+
+msgid "redirect from"
+msgstr "nondik berbidalia"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Honek “bide” absolutua izan behar du, domeinu izena kenduta. Adibidez: “/"
+"events/search/”."
+
+msgid "redirect to"
+msgstr "Nora berbidali"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Hau “bide“ absolutua (goian bezala) edo URL osoa , “https://”-rekin hasiz, "
+"izan daiteke."
+
+msgid "redirect"
+msgstr "berbidali"
+
+msgid "redirects"
+msgstr "berbidali"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fa/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0200108b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Nikneshan <ali@nikneshan.com>, 2015
+# Ali Vakilzade <ali.vakilzade@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# rahim agh <rahim.aghareb@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-19 03:19+0000\n"
+"Last-Translator: rahim agh <rahim.aghareb@gmail.com>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Redirects"
+msgstr "باز-ارسال‌ها"
+
+msgid "site"
+msgstr "سایت"
+
+msgid "redirect from"
+msgstr "فرم ارسال به نشانی جدید"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "می‌بایست یک مسیر مطلق و بدون نام دامنه باشد. مانند: '/events/search/'."
+
+msgid "redirect to"
+msgstr "ارسال به نشانی"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"می‌تواند یک مسیر مطلق (همانند بالا) و یا یک آدرس کامل با 'http://‎' باشد."
+
+msgid "redirect"
+msgstr "باز-ارسال"
+
+msgid "redirects"
+msgstr "باز-ارسال‌ها"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fi/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a19d41c7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015,2020-2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Klaus Dahlén <klaus.dahlen@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-14 12:18+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Edelleenohjaukset"
+
+msgid "site"
+msgstr "sivusto"
+
+msgid "redirect from"
+msgstr "ohjaa osoitteesta"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Tässä on käytettävä absoluuttista polkua ilman verkkotunnusta. Esimerkki: \"/"
+"tapahtumat/haku/\"."
+
+msgid "redirect to"
+msgstr "ohjaa osoitteeseen"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Tässä on käytettävä joko absoluuttista polkua (kuten yllä) tai täydellistä "
+"URL-osoitetta joka alkaa skeemalla (esim. \"https://\")."
+
+msgid "redirect"
+msgstr "edelleenohjaus"
+
+msgid "redirects"
+msgstr "edelleenohjaukset"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fr/LC_MESSAGES/django.mo
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index 00000000..4902f97a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a9fdb057
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2014-2015,2019,2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-02 13:17+0000\n"
+"Last-Translator: Bruno Brouard <annoa.b@gmail.com>\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Redirects"
+msgstr "Redirections"
+
+msgid "site"
+msgstr "site"
+
+msgid "redirect from"
+msgstr "redirigé depuis"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Ceci doit être un chemin absolu, sans nom de domaine. Par exemple, « /"
+"evenements/rechercher/ »."
+
+msgid "redirect to"
+msgstr "redirigé vers"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Ceci peut être soit un chemin absolu (voir ci-dessus) soit une URL complète "
+"débutant par un protocole tel que « https:// »."
+
+msgid "redirect"
+msgstr "redirection"
+
+msgid "redirects"
+msgstr "redirections"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..489bbab4
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ecf5b4b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "redirect from"
+msgstr ""
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr ""
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr ""
+
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..52e3967c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8ad2ce1a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luke Blaney <transifex@lukeblaney.co.uk>, 2019
+# Michael Thornhill <michael@maithu.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2019-06-22 21:46+0000\n"
+"Last-Translator: Luke Blaney <transifex@lukeblaney.co.uk>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Redirects"
+msgstr "Athsheolaidh"
+
+msgid "site"
+msgstr "suíomh"
+
+msgid "redirect from"
+msgstr "atreoraigh ó"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr "Teastaíonn dearbhchosán gan ainm fearainn. Sampla '/events/search/'."
+
+msgid "redirect to"
+msgstr "atreoraigh go dtí"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr "Is féidir dearbhchosán nó URL lán ag tosnú le 'http://'."
+
+msgid "redirect"
+msgstr "athsheol"
+
+msgid "redirects"
+msgstr "atreoraithe"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e611c50d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..232e2982
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-07-15 10:46+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Redirects"
+msgstr "Ath-stiùiridhean"
+
+msgid "site"
+msgstr "làrach"
+
+msgid "redirect from"
+msgstr "ath-stiùireadh o"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Bu chòir seo a bhith ’na shlighe absaloideach as aonais ainm na h-àrainne. "
+"Ball-eisimpleir: “/tachartasan/lorg/”."
+
+msgid "redirect to"
+msgstr "ath-stiùireadh gu"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Faodaidh seo a bhith ’na shlighe absaloideach (mar a tha gu h-àrd) no ’na "
+"URL slàn a thòisicheas le sgeama, can “https://”."
+
+msgid "redirect"
+msgstr "ath-stiùireadh"
+
+msgid "redirects"
+msgstr "ath-stiùiridhean"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gl/LC_MESSAGES/django.mo
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index 00000000..c64e8e18
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0ad209f8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# fasouto <fsoutomoure@gmail.com>, 2017,2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-04-24 18:32+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redireccións"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "redirect from"
+msgstr "orixe da redirección"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Ten que ser unha ruta absoluta, sen o nome de cominio. Por exemplo: “/"
+"eventos/busca/”."
+
+msgid "redirect to"
+msgstr "destino da redirección"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Pode ser unha ruta absoluta (coma a de enriba) ou un URL completo que empece "
+"por “https://”."
+
+msgid "redirect"
+msgstr "redirección"
+
+msgid "redirects"
+msgstr "redireccións"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c8e13cee
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fc05599d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2014-2015,2020,2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 18:32+0000\n"
+"Last-Translator: Meir Kriheli <mkriheli@gmail.com>, 2014-2015,2020,2023\n"
+"Language-Team: Hebrew (http://app.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Redirects"
+msgstr "הפניות"
+
+msgid "site"
+msgstr "אתר"
+
+msgid "redirect from"
+msgstr "הפניה מ"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "זה אמור להיות נתיב מלא, ללא שם המתחם. לדוגמה: “/events/search/”."
+
+msgid "redirect to"
+msgstr "הפניה אל"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"זה יכול להיות נתיב מלא (כמו לעיל) או כתובת URL מלאה שמתחילה בסכימה כגון "
+"\"https://\"."
+
+msgid "redirect"
+msgstr "הפניה"
+
+msgid "redirects"
+msgstr "הפניות"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hi/LC_MESSAGES/django.mo
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index 00000000..367e4a9a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..44b447f2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sandeep Satavlekar <sandysat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "से अनुप्रेषित"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"डोमेन नाम को छोड़कर बाकि सब संपूर्ण पथ होना चाहिए | उदाहरण:   '/events/search'"
+
+msgid "redirect to"
+msgstr "को अनुप्रेषित"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"यह या तो एक संपूर्ण पथ  (जैसा ऊपर निर्दिष्ट किया हैं ) हो सकता है या  'http://' के साथ "
+"शुरू होनेवाला पूर्ण URL हो सकता है."
+
+msgid "redirect"
+msgstr "पुनः प्रेषित"
+
+msgid "redirects"
+msgstr "पुनः प्रेषित"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hr/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..75a97c3b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Mislav Cimperšak <mislav.cimpersak@gmail.com>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Redirects"
+msgstr "Preusmjeravanja"
+
+msgid "site"
+msgstr "stranica"
+
+msgid "redirect from"
+msgstr "preusmjeri od"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Ovo bi trebala biti apsolutna putanja, bez imena domene. Primjer: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "preusmjeri na"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Ovo može biti ili apsolutna putanja (kao gore) ili potpuni URL koji počinje "
+"sa 'http://'"
+
+msgid "redirect"
+msgstr "preusmjeri"
+
+msgid "redirects"
+msgstr "preusmjeravanja"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4e0312e0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4d22553d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016,2019,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-01 22:11+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Redirects"
+msgstr "Dalesposrědkowanja"
+
+msgid "site"
+msgstr "sydło"
+
+msgid "redirect from"
+msgstr "dalesposrědkowanje wot"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"To měło absolutna šćežka być, nimo domenoweho mjena. Přikład: \"/events/"
+"search/\"."
+
+msgid "redirect to"
+msgstr "dalesposrědkowanje do"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"To móže pak absolutna šćežka być (kaž horjeka) pak dospołny URL, kotryž so z "
+"\"https:/\" započina."
+
+msgid "redirect"
+msgstr "dalesposrědkowanje"
+
+msgid "redirects"
+msgstr "dalesposrědkowanja"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hu/LC_MESSAGES/django.mo
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index 00000000..8321e8b5
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8e778d4a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016,2021
+# Istvan Farkas <istvan.farkas@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-01 15:20+0000\n"
+"Last-Translator: András Veres-Szentkirályi\n"
+"Language-Team: Hungarian (http://www.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Átirányítások"
+
+msgid "site"
+msgstr "honlap"
+
+msgid "redirect from"
+msgstr "átirányítva innen"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Abszolút útvonal legyen, a domain név nélkül. Például: \"/cikk/keres/\"."
+
+msgid "redirect to"
+msgstr "átirányítva ide"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Lehet abszolút útvonal is (mint feljebb), vagy teljes URL, amely \"https://"
+"\"-sel kezdődik."
+
+msgid "redirect"
+msgstr "átirányítás"
+
+msgid "redirects"
+msgstr "átirányít"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hy/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a4ab5846
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2018-11-01 20:45+0000\n"
+"Last-Translator: Ruben Harutyunov <rharutyunov@mail.ru>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Վերահղում"
+
+msgid "site"
+msgstr "կայք"
+
+msgid "redirect from"
+msgstr "վերահղում"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Սա պետք է լինի բացարձակ ճանապարհ, բացի տիրույթի անվանից։ Օրինակ․ '/events/"
+"search/'։"
+
+msgid "redirect to"
+msgstr "վերահղում"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Սա կարող է լինել բացարձակ ճանապարհ կամ ամբողջական URL, որը սկսվում է "
+"'http://'֊ով։"
+
+msgid "redirect"
+msgstr "վերահղում"
+
+msgid "redirects"
+msgstr "վերահղումներ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ia/LC_MESSAGES/django.mo
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index 00000000..6b3b87bb
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c4f1b408
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 22:02+0000\n"
+"Last-Translator: Martijn Dekker <mcdutchie@hotmail.com>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirectiones"
+
+msgid "site"
+msgstr "sito"
+
+msgid "redirect from"
+msgstr "formulario de redirection"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Isto debe esser un cammino absolute, excludente le nomine de dominio. "
+"Exemplo: '/eventos/recerca'."
+
+msgid "redirect to"
+msgstr "rediriger a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Isto pote esser o un cammino absolute (como supra) o un URL complete "
+"comenciante con 'http://'."
+
+msgid "redirect"
+msgstr "redirection"
+
+msgid "redirects"
+msgstr "redirectiones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/id/LC_MESSAGES/django.mo
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index 00000000..e2539511
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4ef7ed1f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fery Setiawan <gembelweb@gmail.com>, 2015,2021
+# rodin <romihardiyanto@gmail.com>, 2011
+# rodin <romihardiyanto@gmail.com>, 2015
+# sag᠎e <laymonage@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-09-14 00:29+0000\n"
+"Last-Translator: Fery Setiawan <gembelweb@gmail.com>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "Pengalihan"
+
+msgid "site"
+msgstr "situs"
+
+msgid "redirect from"
+msgstr "pengalihan dari"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Harus berupa lokasi absolut, tanpa nama domain. Contoh: “/events/search/”."
+
+msgid "redirect to"
+msgstr "pengalihan ke"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Ini dapat berupa jalur mutlak (seperti diatas) atau URL lengkap diawali "
+"dengan skema seperti “https://”."
+
+msgid "redirect"
+msgstr "pengalihan"
+
+msgid "redirects"
+msgstr "pengalihan"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/io/LC_MESSAGES/django.mo
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index 00000000..89f3bde0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b79e1d32
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viko Bartero <inactive+tergrundo@transifex.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-20 01:58+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/django/django/language/io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "ridirektar de"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Ico devas esar absoluta voyo, exkluzante la domeno nomo. Exemple: \"/eventi/"
+"serchado/\"."
+
+msgid "redirect to"
+msgstr "ridirektar a"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Ico devas esar absoluta voyo (kam supre) o kompleta URL uzante \"http://\"."
+
+msgid "redirect"
+msgstr "ridirekturo"
+
+msgid "redirects"
+msgstr "ridirekturi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5fa353f1
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..29be1476
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thordur Sigurdsson <thordur@ja.is>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-11-20 05:10+0000\n"
+"Last-Translator: Thordur Sigurdsson <thordur@ja.is>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr "vefur"
+
+msgid "redirect from"
+msgstr "vísun frá"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "Þetta þarf að vera full slóð án lénsins. Dæmi: „/events/search/“."
+
+msgid "redirect to"
+msgstr "vísa á"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"“http://”."
+msgstr ""
+"Þetta getur verið full slóð (eins og hér að ofan) eða veffang með „http://“ "
+"fremst."
+
+msgid "redirect"
+msgstr "vísun"
+
+msgid "redirects"
+msgstr "vísanir"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/it/LC_MESSAGES/django.mo
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a201ce7d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marco Bonetti, 2014
+# Mirco Grillo <mirco.grillomg@gmail.com>, 2020
+# palmux <palmux@gmail.com>, 2014-2015,2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 16:04+0000\n"
+"Last-Translator: palmux <palmux@gmail.com>\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redirezioni"
+
+msgid "site"
+msgstr "sito"
+
+msgid "redirect from"
+msgstr "redirezione da"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Deve essere un percorso assoluto, senza nome a dominio. Esempio: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "redirezione verso"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Può essere un percorso assoluto (come sopra) o un URL completo che inizia "
+"con \"https: //\"."
+
+msgid "redirect"
+msgstr "redirezione"
+
+msgid "redirects"
+msgstr "redirezioni"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3b223b65
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8c6ab2b0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Goto Hayato <habita.gh@gmail.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Shinya Okano <tokibito@gmail.com>, 2014-2015
+# Takuya N <takninnovationresearch@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-07-02 13:57+0000\n"
+"Last-Translator: Goto Hayato <habita.gh@gmail.com>\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "リダイレクト"
+
+msgid "site"
+msgstr "サイト"
+
+msgid "redirect from"
+msgstr "リダイレクト元"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "“/events/search/” のように、ドメイン名を除いた絶対パスにします。 "
+
+msgid "redirect to"
+msgstr "リダイレクト先"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"これは上のような絶対パスにも「 https:// 」のようなスキームで始まる完全な URL "
+"にもすることができます。"
+
+msgid "redirect"
+msgstr "リダイレクト"
+
+msgid "redirects"
+msgstr "リダイレクト"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..475955ee
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bf76c7a2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Redirects"
+msgstr "გადამისამართებები"
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "გადამისამართება გვერდიდან"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"უნდა იყოს აბსოლუტური გზა დომენის სახელის გარეშე. მაგალითი: '/events/search/'."
+
+msgid "redirect to"
+msgstr "გადამისამართება გვერდზე"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"უნდა იყოს აბსოლუტური გზა (როგორც ზემოთ) ან სრული URL, რომელიც იწყება "
+"'http://' სტრიქონით."
+
+msgid "redirect"
+msgstr "გადამისამართება"
+
+msgid "redirects"
+msgstr "გადამისამართებები"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kab/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kab/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..63b7782e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kab/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kab/LC_MESSAGES/django.po
new file mode 100644
index 00000000..437f1a2a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kab/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-10-09 12:26+0000\n"
+"Last-Translator: Slimane Amiri\n"
+"Language-Team: Kabyle (http://www.transifex.com/django/django/language/"
+"kab/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kab\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Iceggiɛen"
+
+msgid "site"
+msgstr "asmel"
+
+msgid "redirect from"
+msgstr "yettwaceggeɛ seg"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr "aceggeɛ ar"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr "aceggeɛ"
+
+msgid "redirects"
+msgstr "iceggiɛen"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fb9d36f3
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8c6af97d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Leo Trubach <leotrubach@gmail.com>, 2017
+# yun_man_ger <germanilyin@gmail.com>, 2011
+# Zhazira <zhazira.mt@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Leo Trubach <leotrubach@gmail.com>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Redirects"
+msgstr "Қайта бағыттаулар"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "redirect from"
+msgstr " бағыттау (қайдан)"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr "Бұл домен атаусыз абсолюттік жол болу керек. Мысал: '/events/search/'."
+
+msgid "redirect to"
+msgstr "бағыттау (қайда)"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Бұл абсолюттік жол немесе 'http://'-мен басталатын толық URL бола алады."
+
+msgid "redirect"
+msgstr "қайта бағыттау"
+
+msgid "redirects"
+msgstr "қайта бағыттаулар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e76f40fc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..75cf301e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,47 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/django/django/language/km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "នាំចេញពី"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"គួរតែជាផ្លូវពេញ (absolute path) ហើយមិនបញ្ជូលឈ្មោះ ដមែន (domain name​)។​ឧទាហរណ៍ '/"
+"events/search/'។"
+
+msgid "redirect to"
+msgstr "នាំចេញទៅ"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr "អាចជាផ្លូវពេញ (absolute path) ឬក៏ URL ទាំងមូលដែលចាប់ផ្តើមជាមួយ 'http://'។"
+
+msgid "redirect"
+msgstr "នាំចេញ"
+
+msgid "redirects"
+msgstr "នាំចេញ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..24a289a5
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bfeadbe4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,47 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rohith PR, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-08-03 10:56+0000\n"
+"Last-Translator: Rohith PR\n"
+"Language-Team: Kannada (http://www.transifex.com/django/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr "ತಾಣ"
+
+msgid "redirect from"
+msgstr "ಪುನರ್ನಿರ್ದೇಶನ ಇಲ್ಲಿಂದ->"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+
+msgid "redirect to"
+msgstr "ಪುನರ್ನಿರ್ದೇಶನ ಇಲ್ಲಿಗೆ->"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+
+msgid "redirect"
+msgstr "ಪುನರ್ನಿರ್ದೇಶನ"
+
+msgid "redirects"
+msgstr "ಪುನರ್ನಿರ್ದೇಶನ(ಗಳು)"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d0a6f6da
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2f2e3805
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,55 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jiyoon, Ha <cryptography@konkuk.ac.kr>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jay Oh <theanswer.jay@gmail.com>, 2020
+# JunGu Kang <chr0m3.kr@gmail.com>, 2015
+# Kwangho Kim <rhkd865@gmail.com>, 2019
+# minsung kang, 2015
+# 정훈 이, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-12-24 18:32+0000\n"
+"Last-Translator: 정훈 이\n"
+"Language-Team: Korean (http://www.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "리다이렉트"
+
+msgid "site"
+msgstr "사이트"
+
+msgid "redirect from"
+msgstr "에서 리다이렉트"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"도메인 이름을 제외한 절대 경로여야 합니다.\n"
+"예제: \"/events/search/\"."
+
+msgid "redirect to"
+msgstr "(으)로 리다이렉트"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"(위와 같은) 절대경로 혹은 \"https://\" 같은 식으로 시작하는 완전한 URL 모두 "
+"가능합니다."
+
+msgid "redirect"
+msgstr "리다이렉트"
+
+msgid "redirects"
+msgstr "리다이렉트"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..99bc33aa
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..892f1489
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020-2021
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-04-02 11:57+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "Буруулар"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "redirect from"
+msgstr "бурулуп келатат"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Бул доменди камтыбаган абсолюттук жол болуусу керек. Мисалы: “/events/"
+"search/”."
+
+msgid "redirect to"
+msgstr "Бул жакка бар"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Бул абсолюттук жол (жогорудай) же толук  \"https://\" сыяктуу схема менен "
+"башталган URL боло алат. "
+
+msgid "redirect"
+msgstr "буруу"
+
+msgid "redirects"
+msgstr "буруулар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b7937f6
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c97c1c7e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "redirect from"
+msgstr ""
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr ""
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr ""
+
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..294ce4c5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..811c2488
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Matas Dailyda <matas@dailyda.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Matas Dailyda <matas@dailyda.com>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Redirects"
+msgstr "Nukreipimai"
+
+msgid "site"
+msgstr "tinklalapis"
+
+msgid "redirect from"
+msgstr "nukreiptas (redirect) iš"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Turi būti absoliutus adresas neįtraukiant domaino. Pavyzdžiui: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "nukreipti(redirect) į"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Gali būti absoliutus adresas (kaip viršuj) arba pilnas URL pradedant "
+"'http://'."
+
+msgid "redirect"
+msgstr "nukreipti"
+
+msgid "redirects"
+msgstr "nukreipia"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lv/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..89b30016
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# NullIsNot0 <nullisnot0@inbox.lv>, 2019,2021
+# peterisb <pb@sungis.lv>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-25 22:49+0000\n"
+"Last-Translator: NullIsNot0 <nullisnot0@inbox.lv>\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Redirects"
+msgstr "Pārvirzīšanas"
+
+msgid "site"
+msgstr "vietne"
+
+msgid "redirect from"
+msgstr "pārvirzīt(redirect) no"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Tam jābūt absolūtajam ceļam, atskaitot domēna vārdu. Piemēram: \"/notikumi/"
+"meklet/\"."
+
+msgid "redirect to"
+msgstr "pārvirzīt(redirect) uz"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Šis var būt vai nu absolūtais ceļš (kā augstāk), vai pilnais URL, kas sākas "
+"ar \"https://\"."
+
+msgid "redirect"
+msgstr "pārvirzīt"
+
+msgid "redirects"
+msgstr "pārvirzījumi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mk/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..57e8324d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2016
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Vasil Vangelovski <vvangelovski@gmail.com>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Redirects"
+msgstr "Пренасочувања"
+
+msgid "site"
+msgstr "сајт"
+
+msgid "redirect from"
+msgstr "пренасочи од"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Ова треба да биде апсолутна патека без името на домејнот. На пр. „/nastani/"
+"prebaraj/“."
+
+msgid "redirect to"
+msgstr "пренасочи кон"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Ова може да биде или апсолутна патека (како погоре) или цела адреса што "
+"почнува со „http://“."
+
+msgid "redirect"
+msgstr "пренасочување"
+
+msgid "redirects"
+msgstr "пренасочувања"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5f3537aa
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dbfbca67
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hrishikesh <hrishi.kb@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2019-03-03 10:36+0000\n"
+"Last-Translator: Hrishikesh <hrishi.kb@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "തിരിച്ചുവിടലുകൾ"
+
+msgid "site"
+msgstr "സൈറ്റ്"
+
+msgid "redirect from"
+msgstr "എവിടെ നിന്ന്"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"ഇത് ഡൊമൈനിന്റെ പേര് ഉൾപ്പെടാതെയുള്ള ഒരു അബ്സല്യൂട്ട് പാത്ത് ആയിരിക്കണം.  ഉദാഹരണം: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "എങ്ങോട്ട്"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"ഇതൊരു  അബ്സല്യൂട്ട് പാത്തോ (മുകളിലത്തേതു പോലെ)  'http://' എന്നു തുടങ്ങുന്ന ഒരു മുഴുവൻ യു.ആർ.എല്ലോ "
+"ആവാം"
+
+msgid "redirect"
+msgstr "തിരിച്ചുവിടൽ"
+
+msgid "redirects"
+msgstr "തിരിച്ചുവിടലുകൾ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mn/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3f474c40
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bayarkhuu Bataa, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2011,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Анхбаяр Анхаа <l.ankhbayar@gmail.com>\n"
+"Language-Team: Mongolian (http://www.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Чиглүүлэлтүүд"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "redirect from"
+msgstr "redirect хаанаас"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Энэ нь домэйн нэр агуулаагүй абсолют зам байх ёстой. Жишээ нь: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "redirect хаашаа"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Энэ нь (дээрхийн нэгэн адил) абсолют зам юм уу 'http://' гэж эхэлсэн бүтэн "
+"URL байж болно. "
+
+msgid "redirect"
+msgstr "redirect"
+
+msgid "redirects"
+msgstr "redirect-ууд"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mr/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..403f9fab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2024-01-24 18:32+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "पुनर्निर्देशने"
+
+msgid "site"
+msgstr "स्थळ"
+
+msgid "redirect from"
+msgstr "पासून पुनर्निर्देशित"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "डोमेन नाव वगळून हा एक परिपूर्ण मार्ग असावा. उदाहरण: \"/events/search/\"."
+
+msgid "redirect to"
+msgstr "ला पुनर्निर्देशित"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"हा एकतर निरपेक्ष मार्ग असू शकतो (वरीलप्रमाणे) किंवा एखाद्या योजनेपासून सुरू होणारी पूर्ण "
+"URL असू शकते जसे की \"https://\""
+
+msgid "redirect"
+msgstr "पुनर्निर्देशित"
+
+msgid "redirects"
+msgstr "पुनर्निर्देशने"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ms/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ef673570
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-16 12:45+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "Lencongan-lencongan"
+
+msgid "site"
+msgstr "laman"
+
+msgid "redirect from"
+msgstr "borang lencongan"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Ini sepatutnya laluan mutlak, tidak termasuk nama domain. Contoh: \"/"
+"peristiwa/cari/\""
+
+msgid "redirect to"
+msgstr "Lencong ke"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Ini boleh menjadi laluan mutlak (seperti diatas) atau URL penuh bermula "
+"dengan skema seperti \"https://\"."
+
+msgid "redirect"
+msgstr "lencongan"
+
+msgid "redirects"
+msgstr "lencongan-lencongan"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..38a9b9f2
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dd180263
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 22:02+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "ပြန်လည်ဝင်ရောက်များ"
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr ""
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr ""
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr ""
+
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0c2d5a10
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..22579b22
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,54 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jon, 2015
+# Jon, 2014
+# Jon, 2020-2021
+# Sigurd Gartmann <sigurdga-transifex@sigurdga.no>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-18 14:19+0000\n"
+"Last-Translator: Jon\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Omadresseringer"
+
+msgid "site"
+msgstr "nettsted"
+
+msgid "redirect from"
+msgstr "omadresser fra"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Dette bør være en fullstendig sti uten domenenavn. Eksempel: \"/hendelser/"
+"finn/\"."
+
+msgid "redirect to"
+msgstr "omadresser til"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Dette kan være enten en full sti (som over) eller en full URL som starter "
+"med en protokoll som “https://”."
+
+msgid "redirect"
+msgstr "omadressering"
+
+msgid "redirects"
+msgstr "omadresseringer"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ne/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9a4164f5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,47 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Paras Nath Chaudhary <opnchaudhary@gmail.com>, 2012
+# Sagar Chalise <chalisesagar@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Sagar Chalise <chalisesagar@gmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "बाटो फेर्ने"
+
+msgid "site"
+msgstr "साईट"
+
+msgid "redirect from"
+msgstr "बाटो फेर्ने फरम"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr "यो डोमेन नाम छोडेर, पूर्ण बाटो हुनुपर्छ । उदाहरण : '/events/search'"
+
+msgid "redirect to"
+msgstr "बाटो फेर्नेको लागि"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"यो कि (माथीको जस्तै )पूर्ण  बाटो हुनुपर्छ  वा 'http://' बाट  सुरुभएको पुरा हुनुपर्छ । "
+
+msgid "redirect"
+msgstr "बाटो फेर्ने"
+
+msgid "redirects"
+msgstr "बाटो फेर्ने"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e573bcdf
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..da242f78
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ilja Maas <iljamaas@dreamsolution.nl>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# 8de006b1b0894aab6aef71979dcd8bd6_5c6b207 <ff2658a8d8dbebbd9cc240b8c133a515_234097>, 2015
+# Tonnes <tonnes.mb@gmail.com>, 2019,2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2022-07-24 18:32+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>\n"
+"Language-Team: Dutch (http://www.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Omleidingen"
+
+msgid "site"
+msgstr "website"
+
+msgid "redirect from"
+msgstr "omgeleid via"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Dit moet een absoluut pad zijn, zonder de domeinnaam. Voorbeeld: ‘/events/"
+"search/’."
+
+msgid "redirect to"
+msgstr "omleiden naar"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Dit kan een absoluut pad zijn (zoals hierboven), of een volledige URL "
+"beginnend met een schema, zoals ‘https://’."
+
+msgid "redirect"
+msgstr "omleiding"
+
+msgid "redirects"
+msgstr "omleidingen"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nn/LC_MESSAGES/django.mo
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index 00000000..8eadeb0f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..363e0ffd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-11-11 10:05+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Omadresseringar"
+
+msgid "site"
+msgstr "nettstad"
+
+msgid "redirect from"
+msgstr "omadresser frå"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Dette bør vere ein fullstendig sti utan domenenavn. Døme: “/hendingar/finn/”."
+
+msgid "redirect to"
+msgstr "omadresser til"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Dette kan enten vere ein fullstendig sti (som over), eller ei fullstendig "
+"nettadresse som startar med eit skjema som “https://”."
+
+msgid "redirect"
+msgstr "omadressering"
+
+msgid "redirects"
+msgstr "omadresseringar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/os/LC_MESSAGES/django.mo
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index 00000000..f80ae2ef
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..26f4042d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:58+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "арвитӕны формӕ"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Ай хъуамӕ уа ӕнӕ домены ном абсолютон фӕт. Цӕвиддон: '/events/search/'."
+
+msgid "redirect to"
+msgstr "арвитӕн ардӕм"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Ай гӕнӕн ис уа абсолютон фӕт (куыд уӕлийӕ) кӕнӕ 'http://'-йӕ байдайгӕ "
+"ӕнӕхъӕн URL."
+
+msgid "redirect"
+msgstr "арвитӕн"
+
+msgid "redirects"
+msgstr "арвитӕнтӕ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pa/LC_MESSAGES/django.mo
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index 00000000..0481d7e5
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a82e0530
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,47 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# A S Alam <alam.yellow@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "ਇਸ ਤੋਂ ਮੁੜ-ਡਾਇਰੈਕਟ"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr "ਇਸ ਵੱਲ ਡਾਇਰੈਕਟ"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr "ਰੀ-ਡਾਇਰੈਕਟ"
+
+msgid "redirects"
+msgstr "ਮੁੜ-ਡਾਇਰੈਕਟ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..113b2ebe
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9afa71ca
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,54 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janusz Harkot <jh@trilab.pl>, 2014-2015
+# m_aciek <maciej.olko@gmail.com>, 2019,2021
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-09-06 21:50+0000\n"
+"Last-Translator: m_aciek <maciej.olko@gmail.com>\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && (n"
+"%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
+"%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Redirects"
+msgstr "Przekierowania"
+
+msgid "site"
+msgstr "strona"
+
+msgid "redirect from"
+msgstr "przekieruj z"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Podaj ścieżkę bezwzględną pomijając nazwę domeny. Na przykład „/events/"
+"search/”."
+
+msgid "redirect to"
+msgstr "przekieruj na"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Może to być ścieżka bezwzględna (jak powyżej) lub pełny URL rozpoczynający "
+"się schematem takim jak \"https://\"."
+
+msgid "redirect"
+msgstr "przekierowanie"
+
+msgid "redirects"
+msgstr "przekierowania"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a557632e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nuno Mariz <nmariz@gmail.com>, 2011,2015
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Nuno Mariz <nmariz@gmail.com>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Redireccionamentos"
+
+msgid "site"
+msgstr "site"
+
+msgid "redirect from"
+msgstr "redirecionar de"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Isto deverá ser um caminho absoluto, excluindo o domínio. Exemplo: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "redirecionar para"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Isto poderá ser um caminho absoluto (como acima) ou um URL completo começado "
+"por 'http://'."
+
+msgid "redirect"
+msgstr "redirecionar"
+
+msgid "redirects"
+msgstr "redireciona"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt_BR/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..83f92756
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,56 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# Amanda Savluchinske <amandasavluchinske@gmail.com>, 2019
+# semente, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lucas Infante <maccinza@gmail.com>, 2015
+# Rafael Fontenelle <rffontenelle@gmail.com>, 2021
+# R.J Lelis <renatojlelis@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-17 05:46+0000\n"
+"Last-Translator: Rafael Fontenelle <rffontenelle@gmail.com>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Redirects"
+msgstr "Redirecionamentos"
+
+msgid "site"
+msgstr "site"
+
+msgid "redirect from"
+msgstr "redirecionar de"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Este deve ser um caminho absoluto, excluindo o nome do domínio. Exemplo: \"/"
+"events/search/\"."
+
+msgid "redirect to"
+msgstr "redirecionar para"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Este pode ser um caminho absoluto (como acima) ou uma URL completa começando "
+"com um esquema como \"https://\"."
+
+msgid "redirect"
+msgstr "redirecionamento"
+
+msgid "redirects"
+msgstr "redirecionamentos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ro/LC_MESSAGES/django.mo
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index 00000000..bb9da5b4
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fbd2c981
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,54 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Daniel Ursache-Dogariu, 2011
+# Eugenol Man <neatusebastian@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-07-15 11:20+0000\n"
+"Last-Translator: Eugenol Man <neatusebastian@gmail.com>\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Redirects"
+msgstr "Redirecționări"
+
+msgid "site"
+msgstr "site"
+
+msgid "redirect from"
+msgstr "redirecționat de la "
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Trebuie sa fie o cale absoluta, exeptand numele domeniului. Exemplu: “/"
+"events/search/”."
+
+msgid "redirect to"
+msgstr "redirecționat către"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"“http://”."
+msgstr ""
+"Poate fi cale absolută (ca mai sus) sau link URL complet, începând cu "
+"“http://”."
+
+msgid "redirect"
+msgstr "redirecționare"
+
+msgid "redirects"
+msgstr "redirecționări"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..12be90ba
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7a95bbe5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# crazyzubr <hjcnbckfd@gmail.com>, 2020
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Panasoft, 2021
+# Алексей Борискин <sun.void@gmail.com>, 2014-2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-03-16 22:53+0000\n"
+"Last-Translator: Panasoft\n"
+"Language-Team: Russian (http://www.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Redirects"
+msgstr "Перенаправления"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "redirect from"
+msgstr "перенаправить с"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "Нужно указать корневой относительный путь. Пример:  “/events/search/”."
+
+msgid "redirect to"
+msgstr "перенаправить на"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Это может быть либо абсолютный путь (как указано выше), либо полный URL-"
+"адрес, начинающийся со схемы, такой как «https://»."
+
+msgid "redirect"
+msgstr "перенаправление"
+
+msgid "redirects"
+msgstr "перенаправления"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..16623d83
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..07ea9c94
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Martin Tóth <ezimir@gmail.com>, 2017,2023
+# Peter Kuma, 2021
+# supowski <supowski@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 18:32+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>, 2017,2023\n"
+"Language-Team: Slovak (http://app.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Redirects"
+msgstr "Presmerovania"
+
+msgid "site"
+msgstr "sídlo"
+
+msgid "redirect from"
+msgstr "presmerovať z"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Toto by sa mala byť absolútna cesta bez názvu domény. Napríklad: „/events/"
+"search/“."
+
+msgid "redirect to"
+msgstr "presmerovať na"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Toto môže byť buď absolútna cesta (ako vyššie), alebo úplné URL začínajúce "
+"schémou ako „https://“."
+
+msgid "redirect"
+msgstr "presmerovanie"
+
+msgid "redirects"
+msgstr "presmerovania"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sl/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e8da74c4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# zejn <zejn@kiberpipa.org>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Primož Verdnik <primoz.verdnik@gmail.com>\n"
+"Language-Team: Slovenian (http://www.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Redirects"
+msgstr "Preusmeritve"
+
+msgid "site"
+msgstr "stran"
+
+msgid "redirect from"
+msgstr "preusmeri iz"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Pot mora biti navedena absolutno in brez imena domene. Primer: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "preusmeri na"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Pot je lahko navedena absolutno (kot zgoraj) ali pa kot popoln naslov URL, "
+"začet z 'http://'."
+
+msgid "redirect"
+msgstr "preusmeri"
+
+msgid "redirects"
+msgstr "preusmeritve"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sq/LC_MESSAGES/django.mo
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index 00000000..0d944b54
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5f5b7f68
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik Bleta <besnik@programeshqip.org>, 2011
+# Besnik Bleta <besnik@programeshqip.org>, 2021
+# Besnik Bleta <besnik@programeshqip.org>, 2015,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 13:55+0000\n"
+"Last-Translator: Besnik Bleta <besnik@programeshqip.org>\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Ridrejtime"
+
+msgid "site"
+msgstr "sajt"
+
+msgid "redirect from"
+msgstr "ridrejtim prej"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Ky do të duhej të ishte shteg absolut, pa emrin e përkatësisë. Për shembull: "
+"“/ngjarje/kërkim/”."
+
+msgid "redirect to"
+msgstr "ridrejtim te"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Ky mund të jetë ose një shteg absolut (si më sipër), ose një URL e plotë që "
+"fillon me një skemë të tillë si “http://”."
+
+msgid "redirect"
+msgstr "ridrejtim"
+
+msgid "redirects"
+msgstr "ridrejtime"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0054565e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bf812ebf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Igor Jerosimić, 2020-2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 17:04+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (http://www.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Redirects"
+msgstr "Преусмеравања"
+
+msgid "site"
+msgstr "сајт"
+
+msgid "redirect from"
+msgstr "преусмерен са"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Ово треба да буде апсолутна путања, искључујући име домена. Пример: “/events/"
+"search/”."
+
+msgid "redirect to"
+msgstr "преусмери ка"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Ово може да буде апсолутна путања (као изнад) или потпун URL који почиње са "
+"шемом као нпр. “https://”."
+
+msgid "redirect"
+msgstr "преусмеравање"
+
+msgid "redirects"
+msgstr "преусмеравања"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr_Latn/LC_MESSAGES/django.mo
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index 00000000..901715da
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f1b3374f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,52 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2019-2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-15 17:03+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (Latin) (http://www.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Redirects"
+msgstr "Preusmeravanja"
+
+msgid "site"
+msgstr "sajt"
+
+msgid "redirect from"
+msgstr "preusmeren sa"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Ovo treba da bude apsolutna putanja, isključujući ime domena. Primer: “/"
+"events/search/”."
+
+msgid "redirect to"
+msgstr "preusmeri ka"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Ovo može da bude apsolutna putanja (kao iznad) ili potpun URL koji počinje "
+"sa šemom kao npr. “https://”."
+
+msgid "redirect"
+msgstr "preusmeravanje"
+
+msgid "redirects"
+msgstr "preusmeravanja"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sv/LC_MESSAGES/django.mo
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9c4a8f99
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Elias Johnstone <eli87as@gmail.com>, 2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2014
+# Thomas Lundqvist, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2022-07-24 18:32+0000\n"
+"Last-Translator: Elias Johnstone <eli87as@gmail.com>\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Omdirigeringar"
+
+msgid "site"
+msgstr "webbplats"
+
+msgid "redirect from"
+msgstr "omdirigera från"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Detta bör vara en absolut sökväg utan domännamnet. Exempel: '/handelser/"
+"sok/'."
+
+msgid "redirect to"
+msgstr "omdirigera till"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Detta kan vara antingen en absolut sökväg (som ovan) eller en fullständig "
+"URL som börjar med 'https://'."
+
+msgid "redirect"
+msgstr "omdirigera"
+
+msgid "redirects"
+msgstr "omdirigeringar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2344b937
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8c361de7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,51 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Machaku, 2013-2014
+# Millicent  Atieno Obwanda <atienoobwanda@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 18:32+0000\n"
+"Last-Translator: Millicent  Atieno Obwanda <atienoobwanda@gmail.com>, 2023\n"
+"Language-Team: Swahili (http://app.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Maelekezo upya"
+
+msgid "site"
+msgstr "Tovuti"
+
+msgid "redirect from"
+msgstr "Imeelekezwa kutoka"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Hii inapaswa kuwa njia kamili, isiyojumuisha jina la uwanja. Mfano: '/events/"
+"search/"
+
+msgid "redirect to"
+msgstr "elekeza kwenda"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Hii inaweza kuwa njia kamili (kama ilivyoelezwa hapo juu) au URL kamili "
+"ikiwa na mwanzo na mpango kama vile 'https://'."
+
+msgid "redirect"
+msgstr "maelekezo upya"
+
+msgid "redirects"
+msgstr "maelekezo upya"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e2a9b43e
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..156ade31
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/django/django/language/ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "லிருந்து திசைமாற்று"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"இது ஒரு முழுமையான பாதையாக இருக்கவேண்டும். இணையத்தளப்பெயராக இருக்கக்கூடாது. உதாரணம்:'/"
+"events/search/'."
+
+msgid "redirect to"
+msgstr "திரும்ப அனுப்பு"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"இது முழுமையான பாதையாக (மேலே உள்ளது போல) அல்லது  \"http\"//\" என தொடங்கும் வலை  "
+"முகவரியாக இருக்கலாம்."
+
+msgid "redirect"
+msgstr "திரும்ப அனுப்பு"
+
+msgid "redirects"
+msgstr "திரும்ப அனுப்புகிறது. "
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2c234464
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..dd102f2a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/projects/p/django/language/"
+"te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "redirect from"
+msgstr ""
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr ""
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr ""
+
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c7908d6f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..43e7c176
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,45 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2020-05-15 00:33+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Самтдигаркунӣ(Redirects)"
+
+msgid "site"
+msgstr "сомона"
+
+msgid "redirect from"
+msgstr "Самтдигаркунӣ аз"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+
+msgid "redirect to"
+msgstr "Самтдигаркунӣ ба"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"“http://”."
+msgstr ""
+
+msgid "redirect"
+msgstr "самтдигаркунӣ"
+
+msgid "redirects"
+msgstr "самтдигаркунӣ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..247f902d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..78ba247d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2018-05-06 08:37+0000\n"
+"Last-Translator: Kowit Charoenratchatabhan <kowit.s.c@gmail.com>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "เปลี่ยนทิศทาง"
+
+msgid "site"
+msgstr "ไซต์"
+
+msgid "redirect from"
+msgstr "เปลี่ยนทิศทางจาก"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr "พาธไม่รวมโดเมน ตัวอย่าง : '/events/search/'"
+
+msgid "redirect to"
+msgstr "เปลี่ยนทิศทางไปที่"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr "มันอาจจะเป็นพาธหรือ URL แบบเต็มที่ขึ้นต้นด้วย 'http://'."
+
+msgid "redirect"
+msgstr "เปลี่ยนทิศทาง"
+
+msgid "redirects"
+msgstr "เปลี่ยนทิศทาง"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..93c76627
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..202ce22e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Resul <resulsaparov@gmail.com>, 2020
+# Welbeck Garli <welbeckgrlyw@gmail.com>, 2022
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2022-07-24 18:32+0000\n"
+"Last-Translator: Welbeck Garli <welbeckgrlyw@gmail.com>\n"
+"Language-Team: Turkmen (http://www.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "Gaýtadan gönükdirmeler"
+
+msgid "site"
+msgstr "sahypa"
+
+msgid "redirect from"
+msgstr "gönükdirilen salgy"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Bu domen ady hasaba almazdan, doly ýol bolmaly. Mysal: “/wakalar/gozleg/”."
+
+msgid "redirect to"
+msgstr "gönükdirilen salgy"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"(ýokarydaky ýaly) absolýut yzarlama ýa-da \"https://\" bilen başlanýan "
+"sahypa gönükdirmesi bolup biler."
+
+msgid "redirect"
+msgstr "gönükdirme"
+
+msgid "redirects"
+msgstr "gönükdirmeler"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5a9237bd
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..87029e3c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# BouRock, 2015,2019,2021
+# BouRock, 2014
+# Cihad GÜNDOĞDU <cihadgundogdu@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-16 19:34+0000\n"
+"Last-Translator: BouRock\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Redirects"
+msgstr "Yönlendirmeler"
+
+msgid "site"
+msgstr "site"
+
+msgid "redirect from"
+msgstr "yönlendirilen adres"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Bu, bir tam yol olmalıdır, etki alanı adı kullanılmadan yazılmalı. Örnek: “/"
+"olaylar/arama/”."
+
+msgid "redirect to"
+msgstr "yönlendirildiği adres"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Bu, ya bir tam yol (yukarıdaki gibi) ya da “https://” gibi bir şema ile "
+"başlayan tam bir URL olabilir."
+
+msgid "redirect"
+msgstr "yönlendirme"
+
+msgid "redirects"
+msgstr "yönlendirmeler"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a1635b6f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d06da14c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "бу сәхифәдән юнәлтергә:"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Бу домен исеменнән тыш абсолүт юл булырга тиеш. Мәсәлән: '/events/search/'."
+
+msgid "redirect to"
+msgstr "бу сәхифәгә юнәлтергә:"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Бу я абсолүт юл (өстәге кебек), я 'http://' белән башланган тулы URL булырга "
+"тиеш."
+
+msgid "redirect"
+msgstr "юнәлтү"
+
+msgid "redirects"
+msgstr "юнәлтүләр"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af7ab53b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3bfa4d1c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,42 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "redirect from"
+msgstr ""
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+
+msgid "redirect to"
+msgstr ""
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+
+msgid "redirect"
+msgstr ""
+
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..33f68385
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..051920fb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,50 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+# Murat Orhun <oku.orhun@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2023-12-04 18:32+0000\n"
+"Last-Translator: Murat Orhun <oku.orhun@gmail.com>, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr "قايتا نىشانلانغان"
+
+msgid "site"
+msgstr "بېكەت"
+
+msgid "redirect from"
+msgstr "قايتا نىشانلانغان مەنبەسى"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"بۇ مۇتلەق يول بولۇشى كېرەك، دائىرە نامىنى ئۆز ئىچىگە ئالمايدۇ. مەسىلە: «/"
+"events/search/»."
+
+msgid "redirect to"
+msgstr "قايتا نىشانلانغان مەنزىلى"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"بۇ مۇتلەق يول (يۇقىرىقىغا ئوخشاش) بولسا بولىدۇ ياكى «https://» دىن باشلانغان "
+"تولۇق تور ئادرېسى بولسىمۇ بولىدۇ."
+
+msgid "redirect"
+msgstr "قايتا نىشانلا"
+
+msgid "redirects"
+msgstr "قايتا نىشانلانغانلار"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2a1fb7b0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c82f9375
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,56 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Oleksandr Chernihov <o.chernihov@gmail.com>, 2014
+# Illia Volochii <illia.volochii@gmail.com>, 2021
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mykola Zamkovoi <nickzam@gmail.com>, 2014
+# Vitaliy Kozlovskyi <ubombi@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-01-20 00:12+0000\n"
+"Last-Translator: Illia Volochii <illia.volochii@gmail.com>\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Redirects"
+msgstr "Перенаправлення"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "redirect from"
+msgstr "перенаправлення з"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Шлях має бути абсолютним без доменного імені. Наприклад, “/events/search/”."
+
+msgid "redirect to"
+msgstr "перенаправлення до"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"Шлях може бути або абсолютним (як вказано вище), або повним URL (який "
+"починається із схеми, як-от “https://”)."
+
+msgid "redirect"
+msgstr "перенаправлення"
+
+msgid "redirects"
+msgstr "перенаправлення"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4b302db6
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bf3a9b26
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,46 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "سے ری ڈائریکٹ"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr "یہ مطلق پاتھ ھونا چاھئے، بغیر ڈومین نام کے۔ مثلاً '/events/search/'"
+
+msgid "redirect to"
+msgstr "ری ڈائریکٹ از طرف"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"یہ مطلق پاتھ ھو سکتا ھے (جیسے اوپر ھے) یا مکمل یو آر ایل (URL) بمع 'http://'۔"
+
+msgid "redirect"
+msgstr "ری ڈائریکٹ"
+
+msgid "redirects"
+msgstr "ری ڈائیکٹس"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uz/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uz/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..89aa2e0f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uz/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uz/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1357fa28
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/uz/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bedilbek Khamidov <bedilbek@gmail.com>, 2019
+# Nuruddin Iminokhunov <nuruddin.iminohunov@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-19 08:25+0000\n"
+"Last-Translator: Bedilbek Khamidov <bedilbek@gmail.com>\n"
+"Language-Team: Uzbek (http://www.transifex.com/django/django/language/uz/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uz\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "Redirektlar"
+
+msgid "site"
+msgstr "sayt"
+
+msgid "redirect from"
+msgstr "redirekt formasi"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr ""
+"Domen nomidan tashqari, bu mutlaq manzil bo'lishi kerak. \n"
+"Masalan: “/events/search/”."
+
+msgid "redirect to"
+msgstr ""
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"“http://”."
+msgstr ""
+
+msgid "redirect"
+msgstr ""
+
+msgid "redirects"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ae80abd0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..40e3ddbc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,49 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-10-09 17:42+0200\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Tran Van <vantxm@yahoo.co.uk>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "redirect from"
+msgstr "Chuyển hướng từ"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: '/"
+"events/search/'."
+msgstr ""
+"Đây phải là đường dẫn tuyệt đối, không bao gồm tên miền. Ví dụ: '/events/"
+"search/'."
+
+msgid "redirect to"
+msgstr "Chuyển hướng tới"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"'http://'."
+msgstr ""
+"Đây có thể là đường dẫn tuyệt đối hoặc địa chỉ đầy đủ bắt đầu với 'http://'"
+
+msgid "redirect"
+msgstr "Chuyển hướng"
+
+msgid "redirects"
+msgstr "Chuyển hướng"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..915e7c58
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..93e04fea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,53 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# HuanCheng Bai白宦成 <xiqingongzi@gmail.com>, 2018
+# Jannis Leidel <jannis@leidel.info>, 2011
+# mozillazg <opensource.mozillazg@gmail.com>, 2016
+# Ronald White <tkliuxing@me.com>, 2014
+# Veoco <one@nomox.cn>, 2021
+# wolf ice <warwolf7677@163.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-01-15 09:00+0100\n"
+"PO-Revision-Date: 2021-02-07 04:22+0000\n"
+"Last-Translator: Veoco <one@nomox.cn>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "重定向"
+
+msgid "site"
+msgstr "站点"
+
+msgid "redirect from"
+msgstr "重定向自"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "这应该是绝对路径，不包括域名。例如：“/events/search/”。"
+
+msgid "redirect to"
+msgstr "重定向到"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with a "
+"scheme such as “https://”."
+msgstr ""
+"这可以是绝对路径（如上所述），也可以是一个以 “https://” 等协议开头的完整 "
+"URL。"
+
+msgid "redirect"
+msgstr "重定向"
+
+msgid "redirects"
+msgstr "重定向"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2a650c90
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cb6c90f0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,48 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016,2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-09-08 17:27+0200\n"
+"PO-Revision-Date: 2019-09-18 09:01+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Redirects"
+msgstr "重導向"
+
+msgid "site"
+msgstr "網站"
+
+msgid "redirect from"
+msgstr "重導向自"
+
+msgid ""
+"This should be an absolute path, excluding the domain name. Example: “/"
+"events/search/”."
+msgstr "應該是一個絕對路徑，不包括網域。例如：「/events/search/」。"
+
+msgid "redirect to"
+msgstr "重導向到"
+
+msgid ""
+"This can be either an absolute path (as above) or a full URL starting with "
+"“http://”."
+msgstr "此可為一絕對路徑（如上）或一個以「http://」開頭的完整 URL。"
+
+msgid "redirect"
+msgstr "重導向"
+
+msgid "redirects"
+msgstr "重導向"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/middleware.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/middleware.py
new file mode 100644
index 00000000..bc4fe9cb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/middleware.py
@@ -0,0 +1,50 @@
+from django.apps import apps
+from django.conf import settings
+from django.contrib.redirects.models import Redirect
+from django.contrib.sites.shortcuts import get_current_site
+from django.core.exceptions import ImproperlyConfigured
+from django.http import HttpResponseGone, HttpResponsePermanentRedirect
+from django.utils.deprecation import MiddlewareMixin
+
+
+class RedirectFallbackMiddleware(MiddlewareMixin):
+    # Defined as class-level attributes to be subclassing-friendly.
+    response_gone_class = HttpResponseGone
+    response_redirect_class = HttpResponsePermanentRedirect
+
+    def __init__(self, get_response):
+        if not apps.is_installed("django.contrib.sites"):
+            raise ImproperlyConfigured(
+                "You cannot use RedirectFallbackMiddleware when "
+                "django.contrib.sites is not installed."
+            )
+        super().__init__(get_response)
+
+    def process_response(self, request, response):
+        # No need to check for a redirect for non-404 responses.
+        if response.status_code != 404:
+            return response
+
+        full_path = request.get_full_path()
+        current_site = get_current_site(request)
+
+        r = None
+        try:
+            r = Redirect.objects.get(site=current_site, old_path=full_path)
+        except Redirect.DoesNotExist:
+            pass
+        if r is None and settings.APPEND_SLASH and not request.path.endswith("/"):
+            try:
+                r = Redirect.objects.get(
+                    site=current_site,
+                    old_path=request.get_full_path(force_append_slash=True),
+                )
+            except Redirect.DoesNotExist:
+                pass
+        if r is not None:
+            if r.new_path == "":
+                return self.response_gone_class()
+            return self.response_redirect_class(r.new_path)
+
+        # No redirect was found. Return the response.
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/0001_initial.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/0001_initial.py
new file mode 100644
index 00000000..7881d579
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/0001_initial.py
@@ -0,0 +1,64 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("sites", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Redirect",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                (
+                    "site",
+                    models.ForeignKey(
+                        to="sites.Site",
+                        on_delete=models.CASCADE,
+                        verbose_name="site",
+                    ),
+                ),
+                (
+                    "old_path",
+                    models.CharField(
+                        help_text=(
+                            "This should be an absolute path, excluding the domain "
+                            "name. Example: “/events/search/”."
+                        ),
+                        max_length=200,
+                        verbose_name="redirect from",
+                        db_index=True,
+                    ),
+                ),
+                (
+                    "new_path",
+                    models.CharField(
+                        help_text=(
+                            "This can be either an absolute path (as above) or a full "
+                            "URL starting with “http://”."
+                        ),
+                        max_length=200,
+                        verbose_name="redirect to",
+                        blank=True,
+                    ),
+                ),
+            ],
+            options={
+                "ordering": ["old_path"],
+                "unique_together": {("site", "old_path")},
+                "db_table": "django_redirect",
+                "verbose_name": "redirect",
+                "verbose_name_plural": "redirects",
+            },
+            bases=(models.Model,),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/0002_alter_redirect_new_path_help_text.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/0002_alter_redirect_new_path_help_text.py
new file mode 100644
index 00000000..99763660
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/0002_alter_redirect_new_path_help_text.py
@@ -0,0 +1,23 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("redirects", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="redirect",
+            name="new_path",
+            field=models.CharField(
+                blank=True,
+                help_text=(
+                    "This can be either an absolute path (as above) or a full "
+                    "URL starting with a scheme such as “https://”."
+                ),
+                max_length=200,
+                verbose_name="redirect to",
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/migrations/__init__.py
new file mode 100644
index 00000000..e69de29b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/models.py
new file mode 100644
index 00000000..15524149
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/redirects/models.py
@@ -0,0 +1,35 @@
+from django.contrib.sites.models import Site
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+
+class Redirect(models.Model):
+    site = models.ForeignKey(Site, models.CASCADE, verbose_name=_("site"))
+    old_path = models.CharField(
+        _("redirect from"),
+        max_length=200,
+        db_index=True,
+        help_text=_(
+            "This should be an absolute path, excluding the domain name. Example: "
+            "“/events/search/”."
+        ),
+    )
+    new_path = models.CharField(
+        _("redirect to"),
+        max_length=200,
+        blank=True,
+        help_text=_(
+            "This can be either an absolute path (as above) or a full URL "
+            "starting with a scheme such as “https://”."
+        ),
+    )
+
+    class Meta:
+        verbose_name = _("redirect")
+        verbose_name_plural = _("redirects")
+        db_table = "django_redirect"
+        unique_together = [["site", "old_path"]]
+        ordering = ["old_path"]
+
+    def __str__(self):
+        return "%s ---> %s" % (self.old_path, self.new_path)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/apps.py
new file mode 100644
index 00000000..83f0cefa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/apps.py
@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class SessionsConfig(AppConfig):
+    name = "django.contrib.sessions"
+    verbose_name = _("Sessions")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/base.py
new file mode 100644
index 00000000..050e7387
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/base.py
@@ -0,0 +1,365 @@
+import logging
+import string
+from datetime import datetime, timedelta
+
+from django.conf import settings
+from django.core import signing
+from django.utils import timezone
+from django.utils.crypto import get_random_string
+from django.utils.module_loading import import_string
+
+# session_key should not be case sensitive because some backends can store it
+# on case insensitive file systems.
+VALID_KEY_CHARS = string.ascii_lowercase + string.digits
+
+
+class CreateError(Exception):
+    """
+    Used internally as a consistent exception type to catch from save (see the
+    docstring for SessionBase.save() for details).
+    """
+
+    pass
+
+
+class UpdateError(Exception):
+    """
+    Occurs if Django tries to update a session that was deleted.
+    """
+
+    pass
+
+
+class SessionBase:
+    """
+    Base class for all Session classes.
+    """
+
+    TEST_COOKIE_NAME = "testcookie"
+    TEST_COOKIE_VALUE = "worked"
+
+    __not_given = object()
+
+    def __init__(self, session_key=None):
+        self._session_key = session_key
+        self.accessed = False
+        self.modified = False
+        self.serializer = import_string(settings.SESSION_SERIALIZER)
+
+    def __contains__(self, key):
+        return key in self._session
+
+    def __getitem__(self, key):
+        return self._session[key]
+
+    def __setitem__(self, key, value):
+        self._session[key] = value
+        self.modified = True
+
+    def __delitem__(self, key):
+        del self._session[key]
+        self.modified = True
+
+    @property
+    def key_salt(self):
+        return "django.contrib.sessions." + self.__class__.__qualname__
+
+    def get(self, key, default=None):
+        return self._session.get(key, default)
+
+    def pop(self, key, default=__not_given):
+        self.modified = self.modified or key in self._session
+        args = () if default is self.__not_given else (default,)
+        return self._session.pop(key, *args)
+
+    def setdefault(self, key, value):
+        if key in self._session:
+            return self._session[key]
+        else:
+            self.modified = True
+            self._session[key] = value
+            return value
+
+    def set_test_cookie(self):
+        self[self.TEST_COOKIE_NAME] = self.TEST_COOKIE_VALUE
+
+    def test_cookie_worked(self):
+        return self.get(self.TEST_COOKIE_NAME) == self.TEST_COOKIE_VALUE
+
+    def delete_test_cookie(self):
+        del self[self.TEST_COOKIE_NAME]
+
+    def encode(self, session_dict):
+        "Return the given session dictionary serialized and encoded as a string."
+        return signing.dumps(
+            session_dict,
+            salt=self.key_salt,
+            serializer=self.serializer,
+            compress=True,
+        )
+
+    def decode(self, session_data):
+        try:
+            return signing.loads(
+                session_data, salt=self.key_salt, serializer=self.serializer
+            )
+        except signing.BadSignature:
+            logger = logging.getLogger("django.security.SuspiciousSession")
+            logger.warning("Session data corrupted")
+        except Exception:
+            # ValueError, unpickling exceptions. If any of these happen, just
+            # return an empty dictionary (an empty session).
+            pass
+        return {}
+
+    def update(self, dict_):
+        self._session.update(dict_)
+        self.modified = True
+
+    def has_key(self, key):
+        return key in self._session
+
+    def keys(self):
+        return self._session.keys()
+
+    def values(self):
+        return self._session.values()
+
+    def items(self):
+        return self._session.items()
+
+    def clear(self):
+        # To avoid unnecessary persistent storage accesses, we set up the
+        # internals directly (loading data wastes time, since we are going to
+        # set it to an empty dict anyway).
+        self._session_cache = {}
+        self.accessed = True
+        self.modified = True
+
+    def is_empty(self):
+        "Return True when there is no session_key and the session is empty."
+        try:
+            return not self._session_key and not self._session_cache
+        except AttributeError:
+            return True
+
+    def _get_new_session_key(self):
+        "Return session key that isn't being used."
+        while True:
+            session_key = get_random_string(32, VALID_KEY_CHARS)
+            if not self.exists(session_key):
+                return session_key
+
+    def _get_or_create_session_key(self):
+        if self._session_key is None:
+            self._session_key = self._get_new_session_key()
+        return self._session_key
+
+    def _validate_session_key(self, key):
+        """
+        Key must be truthy and at least 8 characters long. 8 characters is an
+        arbitrary lower bound for some minimal key security.
+        """
+        return key and len(key) >= 8
+
+    def _get_session_key(self):
+        return self.__session_key
+
+    def _set_session_key(self, value):
+        """
+        Validate session key on assignment. Invalid values will set to None.
+        """
+        if self._validate_session_key(value):
+            self.__session_key = value
+        else:
+            self.__session_key = None
+
+    session_key = property(_get_session_key)
+    _session_key = property(_get_session_key, _set_session_key)
+
+    def _get_session(self, no_load=False):
+        """
+        Lazily load session from storage (unless "no_load" is True, when only
+        an empty dict is stored) and store it in the current instance.
+        """
+        self.accessed = True
+        try:
+            return self._session_cache
+        except AttributeError:
+            if self.session_key is None or no_load:
+                self._session_cache = {}
+            else:
+                self._session_cache = self.load()
+        return self._session_cache
+
+    _session = property(_get_session)
+
+    def get_session_cookie_age(self):
+        return settings.SESSION_COOKIE_AGE
+
+    def get_expiry_age(self, **kwargs):
+        """Get the number of seconds until the session expires.
+
+        Optionally, this function accepts `modification` and `expiry` keyword
+        arguments specifying the modification and expiry of the session.
+        """
+        try:
+            modification = kwargs["modification"]
+        except KeyError:
+            modification = timezone.now()
+        # Make the difference between "expiry=None passed in kwargs" and
+        # "expiry not passed in kwargs", in order to guarantee not to trigger
+        # self.load() when expiry is provided.
+        try:
+            expiry = kwargs["expiry"]
+        except KeyError:
+            expiry = self.get("_session_expiry")
+
+        if not expiry:  # Checks both None and 0 cases
+            return self.get_session_cookie_age()
+        if not isinstance(expiry, (datetime, str)):
+            return expiry
+        if isinstance(expiry, str):
+            expiry = datetime.fromisoformat(expiry)
+        delta = expiry - modification
+        return delta.days * 86400 + delta.seconds
+
+    def get_expiry_date(self, **kwargs):
+        """Get session the expiry date (as a datetime object).
+
+        Optionally, this function accepts `modification` and `expiry` keyword
+        arguments specifying the modification and expiry of the session.
+        """
+        try:
+            modification = kwargs["modification"]
+        except KeyError:
+            modification = timezone.now()
+        # Same comment as in get_expiry_age
+        try:
+            expiry = kwargs["expiry"]
+        except KeyError:
+            expiry = self.get("_session_expiry")
+
+        if isinstance(expiry, datetime):
+            return expiry
+        elif isinstance(expiry, str):
+            return datetime.fromisoformat(expiry)
+        expiry = expiry or self.get_session_cookie_age()
+        return modification + timedelta(seconds=expiry)
+
+    def set_expiry(self, value):
+        """
+        Set a custom expiration for the session. ``value`` can be an integer,
+        a Python ``datetime`` or ``timedelta`` object or ``None``.
+
+        If ``value`` is an integer, the session will expire after that many
+        seconds of inactivity. If set to ``0`` then the session will expire on
+        browser close.
+
+        If ``value`` is a ``datetime`` or ``timedelta`` object, the session
+        will expire at that specific future time.
+
+        If ``value`` is ``None``, the session uses the global session expiry
+        policy.
+        """
+        if value is None:
+            # Remove any custom expiration for this session.
+            try:
+                del self["_session_expiry"]
+            except KeyError:
+                pass
+            return
+        if isinstance(value, timedelta):
+            value = timezone.now() + value
+        if isinstance(value, datetime):
+            value = value.isoformat()
+        self["_session_expiry"] = value
+
+    def get_expire_at_browser_close(self):
+        """
+        Return ``True`` if the session is set to expire when the browser
+        closes, and ``False`` if there's an expiry date. Use
+        ``get_expiry_date()`` or ``get_expiry_age()`` to find the actual expiry
+        date/age, if there is one.
+        """
+        if (expiry := self.get("_session_expiry")) is None:
+            return settings.SESSION_EXPIRE_AT_BROWSER_CLOSE
+        return expiry == 0
+
+    def flush(self):
+        """
+        Remove the current session data from the database and regenerate the
+        key.
+        """
+        self.clear()
+        self.delete()
+        self._session_key = None
+
+    def cycle_key(self):
+        """
+        Create a new session key, while retaining the current session data.
+        """
+        data = self._session
+        key = self.session_key
+        self.create()
+        self._session_cache = data
+        if key:
+            self.delete(key)
+
+    # Methods that child classes must implement.
+
+    def exists(self, session_key):
+        """
+        Return True if the given session_key already exists.
+        """
+        raise NotImplementedError(
+            "subclasses of SessionBase must provide an exists() method"
+        )
+
+    def create(self):
+        """
+        Create a new session instance. Guaranteed to create a new object with
+        a unique key and will have saved the result once (with empty data)
+        before the method returns.
+        """
+        raise NotImplementedError(
+            "subclasses of SessionBase must provide a create() method"
+        )
+
+    def save(self, must_create=False):
+        """
+        Save the session data. If 'must_create' is True, create a new session
+        object (or raise CreateError). Otherwise, only update an existing
+        object and don't create one (raise UpdateError if needed).
+        """
+        raise NotImplementedError(
+            "subclasses of SessionBase must provide a save() method"
+        )
+
+    def delete(self, session_key=None):
+        """
+        Delete the session data under this key. If the key is None, use the
+        current session key value.
+        """
+        raise NotImplementedError(
+            "subclasses of SessionBase must provide a delete() method"
+        )
+
+    def load(self):
+        """
+        Load the session data and return a dictionary.
+        """
+        raise NotImplementedError(
+            "subclasses of SessionBase must provide a load() method"
+        )
+
+    @classmethod
+    def clear_expired(cls):
+        """
+        Remove expired sessions from the session store.
+
+        If this operation isn't possible on a given backend, it should raise
+        NotImplementedError. If it isn't necessary, because the backend has
+        a built-in expiration mechanism, it should be a no-op.
+        """
+        raise NotImplementedError("This backend does not support clear_expired().")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/cache.py
new file mode 100644
index 00000000..0c9d244f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/cache.py
@@ -0,0 +1,85 @@
+from django.conf import settings
+from django.contrib.sessions.backends.base import CreateError, SessionBase, UpdateError
+from django.core.cache import caches
+
+KEY_PREFIX = "django.contrib.sessions.cache"
+
+
+class SessionStore(SessionBase):
+    """
+    A cache-based session store.
+    """
+
+    cache_key_prefix = KEY_PREFIX
+
+    def __init__(self, session_key=None):
+        self._cache = caches[settings.SESSION_CACHE_ALIAS]
+        super().__init__(session_key)
+
+    @property
+    def cache_key(self):
+        return self.cache_key_prefix + self._get_or_create_session_key()
+
+    def load(self):
+        try:
+            session_data = self._cache.get(self.cache_key)
+        except Exception:
+            # Some backends (e.g. memcache) raise an exception on invalid
+            # cache keys. If this happens, reset the session. See #17810.
+            session_data = None
+        if session_data is not None:
+            return session_data
+        self._session_key = None
+        return {}
+
+    def create(self):
+        # Because a cache can fail silently (e.g. memcache), we don't know if
+        # we are failing to create a new session because of a key collision or
+        # because the cache is missing. So we try for a (large) number of times
+        # and then raise an exception. That's the risk you shoulder if using
+        # cache backing.
+        for i in range(10000):
+            self._session_key = self._get_new_session_key()
+            try:
+                self.save(must_create=True)
+            except CreateError:
+                continue
+            self.modified = True
+            return
+        raise RuntimeError(
+            "Unable to create a new session key. "
+            "It is likely that the cache is unavailable."
+        )
+
+    def save(self, must_create=False):
+        if self.session_key is None:
+            return self.create()
+        if must_create:
+            func = self._cache.add
+        elif self._cache.get(self.cache_key) is not None:
+            func = self._cache.set
+        else:
+            raise UpdateError
+        result = func(
+            self.cache_key,
+            self._get_session(no_load=must_create),
+            self.get_expiry_age(),
+        )
+        if must_create and not result:
+            raise CreateError
+
+    def exists(self, session_key):
+        return (
+            bool(session_key) and (self.cache_key_prefix + session_key) in self._cache
+        )
+
+    def delete(self, session_key=None):
+        if session_key is None:
+            if self.session_key is None:
+                return
+            session_key = self.session_key
+        self._cache.delete(self.cache_key_prefix + session_key)
+
+    @classmethod
+    def clear_expired(cls):
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/cached_db.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/cached_db.py
new file mode 100644
index 00000000..3125a71c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/cached_db.py
@@ -0,0 +1,72 @@
+"""
+Cached, database-backed sessions.
+"""
+
+from django.conf import settings
+from django.contrib.sessions.backends.db import SessionStore as DBStore
+from django.core.cache import caches
+
+KEY_PREFIX = "django.contrib.sessions.cached_db"
+
+
+class SessionStore(DBStore):
+    """
+    Implement cached, database backed sessions.
+    """
+
+    cache_key_prefix = KEY_PREFIX
+
+    def __init__(self, session_key=None):
+        self._cache = caches[settings.SESSION_CACHE_ALIAS]
+        super().__init__(session_key)
+
+    @property
+    def cache_key(self):
+        return self.cache_key_prefix + self._get_or_create_session_key()
+
+    def load(self):
+        try:
+            data = self._cache.get(self.cache_key)
+        except Exception:
+            # Some backends (e.g. memcache) raise an exception on invalid
+            # cache keys. If this happens, reset the session. See #17810.
+            data = None
+
+        if data is None:
+            s = self._get_session_from_db()
+            if s:
+                data = self.decode(s.session_data)
+                self._cache.set(
+                    self.cache_key, data, self.get_expiry_age(expiry=s.expire_date)
+                )
+            else:
+                data = {}
+        return data
+
+    def exists(self, session_key):
+        return (
+            session_key
+            and (self.cache_key_prefix + session_key) in self._cache
+            or super().exists(session_key)
+        )
+
+    def save(self, must_create=False):
+        super().save(must_create)
+        self._cache.set(self.cache_key, self._session, self.get_expiry_age())
+
+    def delete(self, session_key=None):
+        super().delete(session_key)
+        if session_key is None:
+            if self.session_key is None:
+                return
+            session_key = self.session_key
+        self._cache.delete(self.cache_key_prefix + session_key)
+
+    def flush(self):
+        """
+        Remove the current session data from the database and regenerate the
+        key.
+        """
+        self.clear()
+        self.delete(self.session_key)
+        self._session_key = None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/db.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/db.py
new file mode 100644
index 00000000..e1f6b69c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/db.py
@@ -0,0 +1,110 @@
+import logging
+
+from django.contrib.sessions.backends.base import CreateError, SessionBase, UpdateError
+from django.core.exceptions import SuspiciousOperation
+from django.db import DatabaseError, IntegrityError, router, transaction
+from django.utils import timezone
+from django.utils.functional import cached_property
+
+
+class SessionStore(SessionBase):
+    """
+    Implement database session store.
+    """
+
+    def __init__(self, session_key=None):
+        super().__init__(session_key)
+
+    @classmethod
+    def get_model_class(cls):
+        # Avoids a circular import and allows importing SessionStore when
+        # django.contrib.sessions is not in INSTALLED_APPS.
+        from django.contrib.sessions.models import Session
+
+        return Session
+
+    @cached_property
+    def model(self):
+        return self.get_model_class()
+
+    def _get_session_from_db(self):
+        try:
+            return self.model.objects.get(
+                session_key=self.session_key, expire_date__gt=timezone.now()
+            )
+        except (self.model.DoesNotExist, SuspiciousOperation) as e:
+            if isinstance(e, SuspiciousOperation):
+                logger = logging.getLogger("django.security.%s" % e.__class__.__name__)
+                logger.warning(str(e))
+            self._session_key = None
+
+    def load(self):
+        s = self._get_session_from_db()
+        return self.decode(s.session_data) if s else {}
+
+    def exists(self, session_key):
+        return self.model.objects.filter(session_key=session_key).exists()
+
+    def create(self):
+        while True:
+            self._session_key = self._get_new_session_key()
+            try:
+                # Save immediately to ensure we have a unique entry in the
+                # database.
+                self.save(must_create=True)
+            except CreateError:
+                # Key wasn't unique. Try again.
+                continue
+            self.modified = True
+            return
+
+    def create_model_instance(self, data):
+        """
+        Return a new instance of the session model object, which represents the
+        current session state. Intended to be used for saving the session data
+        to the database.
+        """
+        return self.model(
+            session_key=self._get_or_create_session_key(),
+            session_data=self.encode(data),
+            expire_date=self.get_expiry_date(),
+        )
+
+    def save(self, must_create=False):
+        """
+        Save the current session data to the database. If 'must_create' is
+        True, raise a database error if the saving operation doesn't create a
+        new entry (as opposed to possibly updating an existing entry).
+        """
+        if self.session_key is None:
+            return self.create()
+        data = self._get_session(no_load=must_create)
+        obj = self.create_model_instance(data)
+        using = router.db_for_write(self.model, instance=obj)
+        try:
+            with transaction.atomic(using=using):
+                obj.save(
+                    force_insert=must_create, force_update=not must_create, using=using
+                )
+        except IntegrityError:
+            if must_create:
+                raise CreateError
+            raise
+        except DatabaseError:
+            if not must_create:
+                raise UpdateError
+            raise
+
+    def delete(self, session_key=None):
+        if session_key is None:
+            if self.session_key is None:
+                return
+            session_key = self.session_key
+        try:
+            self.model.objects.get(session_key=session_key).delete()
+        except self.model.DoesNotExist:
+            pass
+
+    @classmethod
+    def clear_expired(cls):
+        cls.get_model_class().objects.filter(expire_date__lt=timezone.now()).delete()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/file.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/file.py
new file mode 100644
index 00000000..d3ba8b11
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/file.py
@@ -0,0 +1,210 @@
+import datetime
+import logging
+import os
+import shutil
+import tempfile
+
+from django.conf import settings
+from django.contrib.sessions.backends.base import (
+    VALID_KEY_CHARS,
+    CreateError,
+    SessionBase,
+    UpdateError,
+)
+from django.contrib.sessions.exceptions import InvalidSessionKey
+from django.core.exceptions import ImproperlyConfigured, SuspiciousOperation
+
+
+class SessionStore(SessionBase):
+    """
+    Implement a file based session store.
+    """
+
+    def __init__(self, session_key=None):
+        self.storage_path = self._get_storage_path()
+        self.file_prefix = settings.SESSION_COOKIE_NAME
+        super().__init__(session_key)
+
+    @classmethod
+    def _get_storage_path(cls):
+        try:
+            return cls._storage_path
+        except AttributeError:
+            storage_path = (
+                getattr(settings, "SESSION_FILE_PATH", None) or tempfile.gettempdir()
+            )
+            # Make sure the storage path is valid.
+            if not os.path.isdir(storage_path):
+                raise ImproperlyConfigured(
+                    "The session storage path %r doesn't exist. Please set your"
+                    " SESSION_FILE_PATH setting to an existing directory in which"
+                    " Django can store session data." % storage_path
+                )
+
+            cls._storage_path = storage_path
+            return storage_path
+
+    def _key_to_file(self, session_key=None):
+        """
+        Get the file associated with this session key.
+        """
+        if session_key is None:
+            session_key = self._get_or_create_session_key()
+
+        # Make sure we're not vulnerable to directory traversal. Session keys
+        # should always be md5s, so they should never contain directory
+        # components.
+        if not set(session_key).issubset(VALID_KEY_CHARS):
+            raise InvalidSessionKey("Invalid characters in session key")
+
+        return os.path.join(self.storage_path, self.file_prefix + session_key)
+
+    def _last_modification(self):
+        """
+        Return the modification time of the file storing the session's content.
+        """
+        modification = os.stat(self._key_to_file()).st_mtime
+        tz = datetime.timezone.utc if settings.USE_TZ else None
+        return datetime.datetime.fromtimestamp(modification, tz=tz)
+
+    def _expiry_date(self, session_data):
+        """
+        Return the expiry time of the file storing the session's content.
+        """
+        return session_data.get("_session_expiry") or (
+            self._last_modification()
+            + datetime.timedelta(seconds=self.get_session_cookie_age())
+        )
+
+    def load(self):
+        session_data = {}
+        try:
+            with open(self._key_to_file(), encoding="ascii") as session_file:
+                file_data = session_file.read()
+            # Don't fail if there is no data in the session file.
+            # We may have opened the empty placeholder file.
+            if file_data:
+                try:
+                    session_data = self.decode(file_data)
+                except (EOFError, SuspiciousOperation) as e:
+                    if isinstance(e, SuspiciousOperation):
+                        logger = logging.getLogger(
+                            "django.security.%s" % e.__class__.__name__
+                        )
+                        logger.warning(str(e))
+                    self.create()
+
+                # Remove expired sessions.
+                expiry_age = self.get_expiry_age(expiry=self._expiry_date(session_data))
+                if expiry_age <= 0:
+                    session_data = {}
+                    self.delete()
+                    self.create()
+        except (OSError, SuspiciousOperation):
+            self._session_key = None
+        return session_data
+
+    def create(self):
+        while True:
+            self._session_key = self._get_new_session_key()
+            try:
+                self.save(must_create=True)
+            except CreateError:
+                continue
+            self.modified = True
+            return
+
+    def save(self, must_create=False):
+        if self.session_key is None:
+            return self.create()
+        # Get the session data now, before we start messing
+        # with the file it is stored within.
+        session_data = self._get_session(no_load=must_create)
+
+        session_file_name = self._key_to_file()
+
+        try:
+            # Make sure the file exists.  If it does not already exist, an
+            # empty placeholder file is created.
+            flags = os.O_WRONLY | getattr(os, "O_BINARY", 0)
+            if must_create:
+                flags |= os.O_EXCL | os.O_CREAT
+            fd = os.open(session_file_name, flags)
+            os.close(fd)
+        except FileNotFoundError:
+            if not must_create:
+                raise UpdateError
+        except FileExistsError:
+            if must_create:
+                raise CreateError
+
+        # Write the session file without interfering with other threads
+        # or processes.  By writing to an atomically generated temporary
+        # file and then using the atomic os.rename() to make the complete
+        # file visible, we avoid having to lock the session file, while
+        # still maintaining its integrity.
+        #
+        # Note: Locking the session file was explored, but rejected in part
+        # because in order to be atomic and cross-platform, it required a
+        # long-lived lock file for each session, doubling the number of
+        # files in the session storage directory at any given time.  This
+        # rename solution is cleaner and avoids any additional overhead
+        # when reading the session data, which is the more common case
+        # unless SESSION_SAVE_EVERY_REQUEST = True.
+        #
+        # See ticket #8616.
+        dir, prefix = os.path.split(session_file_name)
+
+        try:
+            output_file_fd, output_file_name = tempfile.mkstemp(
+                dir=dir, prefix=prefix + "_out_"
+            )
+            renamed = False
+            try:
+                try:
+                    os.write(output_file_fd, self.encode(session_data).encode())
+                finally:
+                    os.close(output_file_fd)
+
+                # This will atomically rename the file (os.rename) if the OS
+                # supports it. Otherwise this will result in a shutil.copy2
+                # and os.unlink (for example on Windows). See #9084.
+                shutil.move(output_file_name, session_file_name)
+                renamed = True
+            finally:
+                if not renamed:
+                    os.unlink(output_file_name)
+        except (EOFError, OSError):
+            pass
+
+    def exists(self, session_key):
+        return os.path.exists(self._key_to_file(session_key))
+
+    def delete(self, session_key=None):
+        if session_key is None:
+            if self.session_key is None:
+                return
+            session_key = self.session_key
+        try:
+            os.unlink(self._key_to_file(session_key))
+        except OSError:
+            pass
+
+    def clean(self):
+        pass
+
+    @classmethod
+    def clear_expired(cls):
+        storage_path = cls._get_storage_path()
+        file_prefix = settings.SESSION_COOKIE_NAME
+
+        for session_file in os.listdir(storage_path):
+            if not session_file.startswith(file_prefix):
+                continue
+            session_key = session_file.removeprefix(file_prefix)
+            session = cls(session_key)
+            # When an expired session is loaded, its file is removed, and a
+            # new file is immediately created. Prevent this by disabling
+            # the create() method.
+            session.create = lambda: None
+            session.load()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/signed_cookies.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/signed_cookies.py
new file mode 100644
index 00000000..dc41c6f1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/backends/signed_cookies.py
@@ -0,0 +1,81 @@
+from django.contrib.sessions.backends.base import SessionBase
+from django.core import signing
+
+
+class SessionStore(SessionBase):
+    def load(self):
+        """
+        Load the data from the key itself instead of fetching from some
+        external data store. Opposite of _get_session_key(), raise BadSignature
+        if signature fails.
+        """
+        try:
+            return signing.loads(
+                self.session_key,
+                serializer=self.serializer,
+                # This doesn't handle non-default expiry dates, see #19201
+                max_age=self.get_session_cookie_age(),
+                salt="django.contrib.sessions.backends.signed_cookies",
+            )
+        except Exception:
+            # BadSignature, ValueError, or unpickling exceptions. If any of
+            # these happen, reset the session.
+            self.create()
+        return {}
+
+    def create(self):
+        """
+        To create a new key, set the modified flag so that the cookie is set
+        on the client for the current request.
+        """
+        self.modified = True
+
+    def save(self, must_create=False):
+        """
+        To save, get the session key as a securely signed string and then set
+        the modified flag so that the cookie is set on the client for the
+        current request.
+        """
+        self._session_key = self._get_session_key()
+        self.modified = True
+
+    def exists(self, session_key=None):
+        """
+        This method makes sense when you're talking to a shared resource, but
+        it doesn't matter when you're storing the information in the client's
+        cookie.
+        """
+        return False
+
+    def delete(self, session_key=None):
+        """
+        To delete, clear the session key and the underlying data structure
+        and set the modified flag so that the cookie is set on the client for
+        the current request.
+        """
+        self._session_key = ""
+        self._session_cache = {}
+        self.modified = True
+
+    def cycle_key(self):
+        """
+        Keep the same data but with a new key. Call save() and it will
+        automatically save a cookie with a new key at the end of the request.
+        """
+        self.save()
+
+    def _get_session_key(self):
+        """
+        Instead of generating a random string, generate a secure url-safe
+        base64-encoded string of data as our session key.
+        """
+        return signing.dumps(
+            self._session,
+            compress=True,
+            salt="django.contrib.sessions.backends.signed_cookies",
+            serializer=self.serializer,
+        )
+
+    @classmethod
+    def clear_expired(cls):
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/base_session.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/base_session.py
new file mode 100644
index 00000000..8809dd36
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/base_session.py
@@ -0,0 +1,48 @@
+"""
+This module allows importing AbstractBaseSession even
+when django.contrib.sessions is not in INSTALLED_APPS.
+"""
+
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+
+class BaseSessionManager(models.Manager):
+    def encode(self, session_dict):
+        """
+        Return the given session dictionary serialized and encoded as a string.
+        """
+        session_store_class = self.model.get_session_store_class()
+        return session_store_class().encode(session_dict)
+
+    def save(self, session_key, session_dict, expire_date):
+        s = self.model(session_key, self.encode(session_dict), expire_date)
+        if session_dict:
+            s.save()
+        else:
+            s.delete()  # Clear sessions with no data.
+        return s
+
+
+class AbstractBaseSession(models.Model):
+    session_key = models.CharField(_("session key"), max_length=40, primary_key=True)
+    session_data = models.TextField(_("session data"))
+    expire_date = models.DateTimeField(_("expire date"), db_index=True)
+
+    objects = BaseSessionManager()
+
+    class Meta:
+        abstract = True
+        verbose_name = _("session")
+        verbose_name_plural = _("sessions")
+
+    def __str__(self):
+        return self.session_key
+
+    @classmethod
+    def get_session_store_class(cls):
+        raise NotImplementedError
+
+    def get_decoded(self):
+        session_store_class = self.get_session_store_class()
+        return session_store_class().decode(self.session_data)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/exceptions.py
new file mode 100644
index 00000000..8a4853c5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/exceptions.py
@@ -0,0 +1,19 @@
+from django.core.exceptions import BadRequest, SuspiciousOperation
+
+
+class InvalidSessionKey(SuspiciousOperation):
+    """Invalid characters in session key"""
+
+    pass
+
+
+class SuspiciousSession(SuspiciousOperation):
+    """The session may be tampered with"""
+
+    pass
+
+
+class SessionInterrupted(BadRequest):
+    """The session was interrupted."""
+
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..25d7ab6f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/af/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..09560cf9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-01-04 18:57+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>\n"
+"Language-Team: Afrikaans (http://www.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessies"
+
+msgid "session key"
+msgstr "sessiesleutel"
+
+msgid "session data"
+msgstr "sessiedata"
+
+msgid "expire date"
+msgstr "vervaldatum"
+
+msgid "session"
+msgstr "sessie"
+
+msgid "sessions"
+msgstr "sessies"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..027a0655
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..31082234
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Sessions"
+msgstr "جلسات"
+
+msgid "session key"
+msgstr "مفتاح الجلسة"
+
+msgid "session data"
+msgstr "بيانات الجلسة"
+
+msgid "expire date"
+msgstr "تاريخ الانتهاء"
+
+msgid "session"
+msgstr "جلسة"
+
+msgid "sessions"
+msgstr "جلسات"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0f553201
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar_DZ/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2ff47ede
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-12-14 22:50+0000\n"
+"Last-Translator: Riterix <infosrabah@gmail.com>\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Sessions"
+msgstr "جلسات"
+
+msgid "session key"
+msgstr "مفتاح الجلسة"
+
+msgid "session data"
+msgstr "بيانات الجلسة"
+
+msgid "expire date"
+msgstr "تاريخ الانتهاء"
+
+msgid "session"
+msgstr "جلسة"
+
+msgid "sessions"
+msgstr "جلسات"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4b363bff
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ast/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..57d8681c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 19:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "clave de sesión"
+
+msgid "session data"
+msgstr "datos de sesión"
+
+msgid "expire date"
+msgstr "data de caducidá"
+
+msgid "session"
+msgstr "sesión"
+
+msgid "sessions"
+msgstr "sesiones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9b488a33
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/az/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7ce647a6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Emin Mastizada <emin@linux.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-04-27 13:19+0000\n"
+"Last-Translator: Emin Mastizada <emin@linux.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Seanslar"
+
+msgid "session key"
+msgstr "seans açarı"
+
+msgid "session data"
+msgstr "seansın məlumatları"
+
+msgid "expire date"
+msgstr "bitmə tarixi"
+
+msgid "session"
+msgstr "seans"
+
+msgid "sessions"
+msgstr "seanslar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..100a1578
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/be/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..68d074a2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Viktar Palstsiuk <vipals@gmail.com>\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Sessions"
+msgstr "Сесіі"
+
+msgid "session key"
+msgstr "ключ сэансу"
+
+msgid "session data"
+msgstr "зьвесткі сэансу"
+
+msgid "expire date"
+msgstr "тэрмін"
+
+msgid "session"
+msgstr "сэсія"
+
+msgid "sessions"
+msgstr "сэсіі"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..68e4b05f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aeab9b8b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# arneatec <arneatec@gmail.com>, 2022
+# Jannis Leidel <jannis@leidel.info>, 2011
+# vestimir <vestimir@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2022-01-14 11:56+0000\n"
+"Last-Translator: arneatec <arneatec@gmail.com>\n"
+"Language-Team: Bulgarian (http://www.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Сесии"
+
+msgid "session key"
+msgstr "ключ на сесията"
+
+msgid "session data"
+msgstr "данни от сесията"
+
+msgid "expire date"
+msgstr "дата на изтичане на валидност"
+
+msgid "session"
+msgstr "сесия"
+
+msgid "sessions"
+msgstr "сесии"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c029c760
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aa4a3353
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "সেশন কি"
+
+msgid "session data"
+msgstr "সেশন ডাটা"
+
+msgid "expire date"
+msgstr "মেয়াদ শেষের তারিখ"
+
+msgid "session"
+msgstr "সেশন"
+
+msgid "sessions"
+msgstr "সেশনসমূহ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..777a187f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/br/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a6c8c04e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,40 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fulup <fulup.jakez@gmail.com>, 2012
+# Irriep Nala Novram <allannkorh@yahoo.fr>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-10-19 23:05+0000\n"
+"Last-Translator: Irriep Nala Novram <allannkorh@yahoo.fr>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "Sessions"
+msgstr "Dalc'hoù"
+
+msgid "session key"
+msgstr "alc'hwez dalc'h"
+
+msgid "session data"
+msgstr "roadennoù an dalc'h"
+
+msgid "expire date"
+msgstr "deiziad fin"
+
+msgid "session"
+msgstr "dalc'h"
+
+msgid "sessions"
+msgstr "dalc'hoù"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f167bc89
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2ba36a98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "ključ sesije"
+
+msgid "session data"
+msgstr "podaci sesije"
+
+msgid "expire date"
+msgstr "datum isteka"
+
+msgid "session"
+msgstr "sesija"
+
+msgid "sessions"
+msgstr "sesije"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..480400c0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ca/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cd7ea3ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carles Barrobés <carles@barrobes.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessions"
+
+msgid "session key"
+msgstr "clau de la sessió"
+
+msgid "session data"
+msgstr "dades de la sessió"
+
+msgid "expire date"
+msgstr "data de caducitat"
+
+msgid "session"
+msgstr "sessió"
+
+msgid "sessions"
+msgstr "sessions"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..24a4cc6c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..fb8d23a5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# kosar tofiq <kosar.belana@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2023-04-24 18:26+0000\n"
+"Last-Translator: kosar tofiq <kosar.belana@gmail.com>, 2020\n"
+"Language-Team: Central Kurdish (http://www.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "کۆڕەکان"
+
+msgid "session key"
+msgstr "کلیلی کۆڕ"
+
+msgid "session data"
+msgstr "دراوەی کۆڕ"
+
+msgid "expire date"
+msgstr "بەرواری بەسەرچوون"
+
+msgid "session"
+msgstr "کۆڕ"
+
+msgid "sessions"
+msgstr "کۆڕەکان"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..80a9b27a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..743e3e41
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Sessions"
+msgstr "Sezení"
+
+msgid "session key"
+msgstr "klíč sezení"
+
+msgid "session data"
+msgstr "data sezení"
+
+msgid "expire date"
+msgstr "datum expirace"
+
+msgid "session"
+msgstr "sezení"
+
+msgid "sessions"
+msgstr "sezení"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d4bee0c0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..efd21c20
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Maredudd ap Gwyndaf <maredudd@maredudd.com>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Sessions"
+msgstr "Sesiynau"
+
+msgid "session key"
+msgstr "allwedd sesiwn"
+
+msgid "session data"
+msgstr "data sesiwn"
+
+msgid "expire date"
+msgstr "dyddiad terfyn"
+
+msgid "session"
+msgstr "sesiwn"
+
+msgid "sessions"
+msgstr "sesiynau"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..489874b4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/da/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8d1689c6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Erik Wognsen <r4mses@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessioner"
+
+msgid "session key"
+msgstr "sessionsnøgle"
+
+msgid "session data"
+msgstr "sessionsdata"
+
+msgid "expire date"
+msgstr "udløbsdato"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessioner"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3af91467
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a3153e66
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011,2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessions"
+
+msgid "session key"
+msgstr "Sitzungs-ID"
+
+msgid "session data"
+msgstr "Sitzungsdaten"
+
+msgid "expire date"
+msgstr "Verfallsdatum"
+
+msgid "session"
+msgstr "Sitzung"
+
+msgid "sessions"
+msgstr "Sitzungen"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cb8a5e80
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9e2a233a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 00:02+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Sessions"
+msgstr "Póseźenja"
+
+msgid "session key"
+msgstr "pósejźeński kluc"
+
+msgid "session data"
+msgstr "pósejźeńske daty"
+
+msgid "expire date"
+msgstr "datum spadnjenja"
+
+msgid "session"
+msgstr "pósejźenje"
+
+msgid "sessions"
+msgstr "pósejźenja"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a8ef4cae
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3813c310
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Pãnoș <panos.laganakos@gmail.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Συνεδρίες"
+
+msgid "session key"
+msgstr "κλειδί συνεδρίας"
+
+msgid "session data"
+msgstr "δεδομένα συνεδρίας"
+
+msgid "expire date"
+msgstr "ημερομηνία λήξης"
+
+msgid "session"
+msgstr "συνεδρία"
+
+msgid "sessions"
+msgstr "συνεδρίες"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2ce18723
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: contrib/sessions/apps.py:8
+msgid "Sessions"
+msgstr ""
+
+#: contrib/sessions/models.py:44
+msgid "session key"
+msgstr ""
+
+#: contrib/sessions/models.py:46
+msgid "session data"
+msgstr ""
+
+#: contrib/sessions/models.py:47
+msgid "expire date"
+msgstr ""
+
+#: contrib/sessions/models.py:52
+msgid "session"
+msgstr ""
+
+#: contrib/sessions/models.py:53
+msgid "sessions"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fbc756ba
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..da9a8d4d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Tom Fifield <tom@tomfifield.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-04-11 13:15+0000\n"
+"Last-Translator: Tom Fifield <tom@tomfifield.net>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/django/django/"
+"language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessions"
+
+msgid "session key"
+msgstr "session key"
+
+msgid "session data"
+msgstr "session data"
+
+msgid "expire date"
+msgstr "expire date"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessions"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fd83c311
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ee4a40d5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ross Poulton <ross@rossp.org>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "session key"
+
+msgid "session data"
+msgstr "session data"
+
+msgid "expire date"
+msgstr "expire date"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessions"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..258b3703
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7c1ab405
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Baptiste Darthenay <baptiste+transifex@darthenay.fr>, 2014
+# kristjan <kristjan.schmidt@googlemail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Seancoj"
+
+msgid "session key"
+msgstr "seanco-ŝlosilo"
+
+msgid "session data"
+msgstr "seanco-datumo"
+
+msgid "expire date"
+msgstr "senvalidiĝ-dato"
+
+msgid "session"
+msgstr "seanco"
+
+msgid "sessions"
+msgstr "seancoj"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..20e0a1c6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..85241b3e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ernesto Avilés Vázquez <whippiii@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesiones"
+
+msgid "session key"
+msgstr "clave de sesión"
+
+msgid "session data"
+msgstr "datos de sesión"
+
+msgid "expire date"
+msgstr "fecha de caducidad"
+
+msgid "session"
+msgstr "sesión"
+
+msgid "sessions"
+msgstr "sesiones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4a94ca32
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_AR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3840a2d7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Spanish (Argentina) (http://www.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesiones"
+
+msgid "session key"
+msgstr "clave de sesión"
+
+msgid "session data"
+msgstr "datos de la sesión"
+
+msgid "expire date"
+msgstr "fecha de caducidad"
+
+msgid "session"
+msgstr "sesión"
+
+msgid "sessions"
+msgstr "sesiones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..238fe245
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5d2faab2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carlos Muñoz <cmuozdiaz@outlook.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 22:00+0000\n"
+"Last-Translator: Carlos Muñoz <cmuozdiaz@outlook.com>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesiones"
+
+msgid "session key"
+msgstr "clave de sesión"
+
+msgid "session data"
+msgstr "datos de sesión"
+
+msgid "expire date"
+msgstr "fecha de caducidad"
+
+msgid "session"
+msgstr "sesión"
+
+msgid "sessions"
+msgstr "sesiones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..33f28116
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cb53c810
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abraham Estrada, 2011
+# zodman <zodman@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: zodman <zodman@gmail.com>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesiones"
+
+msgid "session key"
+msgstr "clave de sesión"
+
+msgid "session data"
+msgstr "datos de la sesión"
+
+msgid "expire date"
+msgstr "fecha de caducidad"
+
+msgid "session"
+msgstr "período de sesiones"
+
+msgid "sessions"
+msgstr "sesiones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..32f6e8fd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_VE/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ccd4d093
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/projects/p/"
+"django/language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr ""
+
+msgid "session data"
+msgstr ""
+
+msgid "expire date"
+msgstr ""
+
+msgid "session"
+msgstr ""
+
+msgid "sessions"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8d9fe069
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/et/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b7efce9d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marti Raudsepp <marti@juffo.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessioonid"
+
+msgid "session key"
+msgstr "sessioonivõti"
+
+msgid "session data"
+msgstr "sessiooni andmed"
+
+msgid "expire date"
+msgstr "kehtivusaja lõpp"
+
+msgid "session"
+msgstr "sessioon"
+
+msgid "sessions"
+msgstr "sessioonid"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1d92fef4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aafbe625
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eneko Illarramendi <eneko@illarra.com>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Eneko Illarramendi <eneko@illarra.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesioak"
+
+msgid "session key"
+msgstr "sesioaren giltza"
+
+msgid "session data"
+msgstr "sesioaren datuak"
+
+msgid "expire date"
+msgstr "amaiera data"
+
+msgid "session"
+msgstr "sesioa"
+
+msgid "sessions"
+msgstr "sesioak"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c2fb6622
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..276d2de3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Reza Mohammadi <reza@teeleh.ir>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sessions"
+msgstr "نشست‌ها"
+
+msgid "session key"
+msgstr "کلید نشست"
+
+msgid "session data"
+msgstr "اطلاعات نشست"
+
+msgid "expire date"
+msgstr "تاریخ انقضاء"
+
+msgid "session"
+msgstr "نشست"
+
+msgid "sessions"
+msgstr "نشست‌ها"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7273f8a2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..40b24256
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Klaus Dahlén <klaus.dahlen@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Istunnot"
+
+msgid "session key"
+msgstr "istunnon avain"
+
+msgid "session data"
+msgstr "istunnon tiedot"
+
+msgid "expire date"
+msgstr "vanhenee"
+
+msgid "session"
+msgstr "istunto"
+
+msgid "sessions"
+msgstr "istunnot"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..753c301b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cc4a9e6b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sessions"
+msgstr "Sessions"
+
+msgid "session key"
+msgstr "clé de session"
+
+msgid "session data"
+msgstr "données de session"
+
+msgid "expire date"
+msgstr "date d'expiration"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessions"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..489bbab4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6e216b33
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr ""
+
+msgid "session data"
+msgstr ""
+
+msgid "expire date"
+msgstr ""
+
+msgid "session"
+msgstr ""
+
+msgid "sessions"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2b854bdf
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ga/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e9e1278e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luke Blaney <transifex@lukeblaney.co.uk>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-06-22 21:45+0000\n"
+"Last-Translator: Luke Blaney <transifex@lukeblaney.co.uk>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Sessions"
+msgstr "Seisiúin"
+
+msgid "session key"
+msgstr "eochair an seisiún"
+
+msgid "session data"
+msgstr "sonraíocht an seisiún"
+
+msgid "expire date"
+msgstr "Data dul as feidhm"
+
+msgid "session"
+msgstr "seisiún"
+
+msgid "sessions"
+msgstr "seisúin"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ef41ac8b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b291970f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-22 17:29+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Sessions"
+msgstr "Seiseanan"
+
+msgid "session key"
+msgstr "iuchair an t-seisein"
+
+msgid "session data"
+msgstr "dàta an t-seisein"
+
+msgid "expire date"
+msgstr "falbhaidh an ùine air"
+
+msgid "session"
+msgstr "seisean"
+
+msgid "sessions"
+msgstr "seiseanan"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f620215c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5e90f745
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2023-04-24 18:26+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesións"
+
+msgid "session key"
+msgstr "chave da sesión"
+
+msgid "session data"
+msgstr "datos da sesión"
+
+msgid "expire date"
+msgstr "data de caducidade"
+
+msgid "session"
+msgstr "sesión"
+
+msgid "sessions"
+msgstr "sesións"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1cce9049
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/he/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e8bd9346
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hebrew (http://www.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Sessions"
+msgstr "התחברויות"
+
+msgid "session key"
+msgstr "מפתח התחברות (session key)"
+
+msgid "session data"
+msgstr "מידע התחברות (session data)"
+
+msgid "expire date"
+msgstr "תאריך פג תוקף"
+
+msgid "session"
+msgstr "התחברות"
+
+msgid "sessions"
+msgstr "התחברויות"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..34947ca8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..90a50616
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sandeep Satavlekar <sandysat@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "सत्र कुंजी"
+
+msgid "session data"
+msgstr "सत्र सामग्री"
+
+msgid "expire date"
+msgstr "समाप्ति तिथी"
+
+msgid "session"
+msgstr "सत्र"
+
+msgid "sessions"
+msgstr "सत्रें"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d697c5f6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cb0405cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Mislav Cimperšak <mislav.cimpersak@gmail.com>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Sessions"
+msgstr "Sessions"
+
+msgid "session key"
+msgstr "session ključ (key)"
+
+msgid "session data"
+msgstr "session podaci"
+
+msgid "expire date"
+msgstr "ističe na datum"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessions"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e2dcbe66
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..04fd1118
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 00:02+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Sessions"
+msgstr "Posedźenja"
+
+msgid "session key"
+msgstr "posedźenski kluč"
+
+msgid "session data"
+msgstr "posedźenske daty"
+
+msgid "expire date"
+msgstr "datum spadnjenja"
+
+msgid "session"
+msgstr "posedźenje"
+
+msgid "sessions"
+msgstr "posedźenja"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..01e05400
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..17623ec8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: János R (Hangya)\n"
+"Language-Team: Hungarian (http://www.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Munkamenetek"
+
+msgid "session key"
+msgstr "munkamenet kulcs"
+
+msgid "session data"
+msgstr "munkamenet adat"
+
+msgid "expire date"
+msgstr "lejárat dátuma"
+
+msgid "session"
+msgstr "munkamenet"
+
+msgid "sessions"
+msgstr "munkamenetek"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..58455684
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9961a822
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-11-01 20:47+0000\n"
+"Last-Translator: Ruben Harutyunov <rharutyunov@mail.ru>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Սեսսիաներ"
+
+msgid "session key"
+msgstr "սեսսիայի բանալի"
+
+msgid "session data"
+msgstr "սեսսիայի տվյալներ"
+
+msgid "expire date"
+msgstr "պիտանիության ժամկետը"
+
+msgid "session"
+msgstr "սեսսիա"
+
+msgid "sessions"
+msgstr "սեսսիաներ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..24f465c1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1e271eee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 22:00+0000\n"
+"Last-Translator: Martijn Dekker <mcdutchie@hotmail.com>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessiones"
+
+msgid "session key"
+msgstr "clave de session"
+
+msgid "session data"
+msgstr "datos de session"
+
+msgid "expire date"
+msgstr "data de expiration"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessiones"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d02dea8c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ef9b14f0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# M Asep Indrayana <me@drayanaindra.com>, 2015
+# rodin <romihardiyanto@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: rodin <romihardiyanto@gmail.com>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "Sesi"
+
+msgid "session key"
+msgstr "kunci sesi"
+
+msgid "session data"
+msgstr "data sesi"
+
+msgid "expire date"
+msgstr "tanggal kedaluwarsa"
+
+msgid "session"
+msgstr "sesi"
+
+msgid "sessions"
+msgstr "sesi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e781b05b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..84876644
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viko Bartero <inactive+tergrundo@transifex.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-20 01:58+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/django/django/language/io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "sesiono klefo"
+
+msgid "session data"
+msgstr "sesiono datumi"
+
+msgid "expire date"
+msgstr "expiro dato"
+
+msgid "session"
+msgstr "sesiono"
+
+msgid "sessions"
+msgstr "sesioni"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a6dd8632
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0bdaf5d5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "setulykill"
+
+msgid "session data"
+msgstr "setugögn"
+
+msgid "expire date"
+msgstr "fyrningardagsetning"
+
+msgid "session"
+msgstr "seta"
+
+msgid "sessions"
+msgstr "setur"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..33e2cd7c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/it/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3d8353c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marco Bonetti, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: palmux <palmux@gmail.com>\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessioni"
+
+msgid "session key"
+msgstr "chiave di sessione"
+
+msgid "session data"
+msgstr "dati di sessione"
+
+msgid "expire date"
+msgstr "data di scadenza"
+
+msgid "session"
+msgstr "sessione"
+
+msgid "sessions"
+msgstr "sessioni"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0de4c299
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..25ef99aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Shinya Okano <tokibito@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "セッション"
+
+msgid "session key"
+msgstr "セッションキー"
+
+msgid "session data"
+msgstr "セッションデータ"
+
+msgid "expire date"
+msgstr "有効期限"
+
+msgid "session"
+msgstr "セッション"
+
+msgid "sessions"
+msgstr "セッション"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..be4e5d87
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bcdcb5f8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "სესიის გასაღები"
+
+msgid "session data"
+msgstr "სესიის მონაცემები"
+
+msgid "expire date"
+msgstr "ამოწურვის თარიღი"
+
+msgid "session"
+msgstr "სესია"
+
+msgid "sessions"
+msgstr "სესიები"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kab/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kab/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6f22bc42
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kab/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kab/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kab/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b3aa45ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kab/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-10-06 11:49+0000\n"
+"Last-Translator: Muḥend Belqasem <belkacem77@gmail.com>\n"
+"Language-Team: Kabyle (http://www.transifex.com/django/django/language/"
+"kab/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kab\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Tiɣimiyin"
+
+msgid "session key"
+msgstr "tasarutt n tɣimit"
+
+msgid "session data"
+msgstr "isefka n tɣimit"
+
+msgid "expire date"
+msgstr "azemz n tgara"
+
+msgid "session"
+msgstr "tiɣimit"
+
+msgid "sessions"
+msgstr "tiɣimiyin"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f3b0c1b2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5777dc26
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Baurzhan Muftakhidinov <baurthefirst@gmail.com>, 2015
+# yun_man_ger <germanilyin@gmail.com>, 2011
+# Zhazira <zhazira.mt@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Baurzhan Muftakhidinov <baurthefirst@gmail.com>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Sessions"
+msgstr "Сессиялар"
+
+msgid "session key"
+msgstr "сессия кілті"
+
+msgid "session data"
+msgstr "сессия деректері"
+
+msgid "expire date"
+msgstr "мерзімі аяқталу уақыты"
+
+msgid "session"
+msgstr "сессия"
+
+msgid "sessions"
+msgstr "сессиялар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af28c29b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1c1252cf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/django/django/language/km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "លេខសំគាល់​រយះពេល​ពិនិត្យ​ចូល"
+
+msgid "session data"
+msgstr "ទិន្នន័យរយះពេល​ពិនិត្យ​ចូល"
+
+msgid "expire date"
+msgstr "ហួសពេលកំណត់"
+
+msgid "session"
+msgstr "រយះពេល​ពិនិត្យ​ចូល"
+
+msgid "sessions"
+msgstr "រយះពេល​ពិនិត្យ​ចូល"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..23b8948c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0811ad80
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rohith PR, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-08-03 10:50+0000\n"
+"Last-Translator: Rohith PR\n"
+"Language-Team: Kannada (http://www.transifex.com/django/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sessions"
+msgstr "ಅಧಿವೇಶನಗಳು"
+
+msgid "session key"
+msgstr "ಅಧಿವೇಶನದ ಕೀಲಿಕೈ"
+
+msgid "session data"
+msgstr "ಅಧಿವೇಶನದ ದತ್ತಾಂಶ"
+
+msgid "expire date"
+msgstr "ಅವಧಿಮೀರುವ ದಿನಾಂಕ"
+
+msgid "session"
+msgstr "ಅಧಿವೇಶನ"
+
+msgid "sessions"
+msgstr "ಅಧಿವೇಶನಗಳು"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..144d87c1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ko/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..74c622c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Chr0m3 <chr0m3.kr@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Chr0m3 <chr0m3.kr@gmail.com>\n"
+"Language-Team: Korean (http://www.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "세션"
+
+msgid "session key"
+msgstr "세션 키"
+
+msgid "session data"
+msgstr "세션 날짜"
+
+msgid "expire date"
+msgstr "유효날짜"
+
+msgid "session"
+msgstr "세션"
+
+msgid "sessions"
+msgstr "세션"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f24928af
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7d9feac3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2020-05-23 06:08+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "Отурумдар"
+
+msgid "session key"
+msgstr "отурум ачкычы"
+
+msgid "session data"
+msgstr "отурум берилиши"
+
+msgid "expire date"
+msgstr "мөөнөтү"
+
+msgid "session"
+msgstr "отурум"
+
+msgid "sessions"
+msgstr "отурумдар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b7937f6
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e7c83d42
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr ""
+
+msgid "session data"
+msgstr ""
+
+msgid "expire date"
+msgstr ""
+
+msgid "session"
+msgstr ""
+
+msgid "sessions"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bfd37fbd
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0051e300
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Matas Dailyda <matas@dailyda.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Matas Dailyda <matas@dailyda.com>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Sessions"
+msgstr "Sesijos"
+
+msgid "session key"
+msgstr "sesijos raktas"
+
+msgid "session data"
+msgstr "sesijos data"
+
+msgid "expire date"
+msgstr "galiojima data"
+
+msgid "session"
+msgstr "sesija"
+
+msgid "sessions"
+msgstr "sesijos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..07f5308e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..45fdde52
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# peterisb <pb@sungis.lv>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: peterisb <pb@sungis.lv>\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Sessions"
+msgstr "Sesijas"
+
+msgid "session key"
+msgstr "sesijas atslēga"
+
+msgid "session data"
+msgstr "sesijas dati"
+
+msgid "expire date"
+msgstr "izbeigšanās datums"
+
+msgid "session"
+msgstr "sesija"
+
+msgid "sessions"
+msgstr "sesijas"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bdf114e3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1e1162b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Sessions"
+msgstr "Сесии"
+
+msgid "session key"
+msgstr "сесиски клуч"
+
+msgid "session data"
+msgstr "сесиски податоци"
+
+msgid "expire date"
+msgstr "датум на истекување"
+
+msgid "session"
+msgstr "сесија"
+
+msgid "sessions"
+msgstr "сесии"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9710d026
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ecaa3414
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hrishikesh <hrishi.kb@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-03-03 10:00+0000\n"
+"Last-Translator: Hrishikesh <hrishi.kb@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "സെഷനുകൾ"
+
+msgid "session key"
+msgstr "സെഷന്‍ കീ"
+
+msgid "session data"
+msgstr "സെഷനിലെ ഡാറ്റ"
+
+msgid "expire date"
+msgstr "കാലാവധി തീരുന്ന തിയ്യതി"
+
+msgid "session"
+msgstr "സെഷന്‍"
+
+msgid "sessions"
+msgstr "സെഷനുകള്‍"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f214362f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4ff7c357
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bayarkhuu Bataa, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2011,2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-07-09 06:53+0000\n"
+"Last-Translator: Анхбаяр Анхаа <l.ankhbayar@gmail.com>\n"
+"Language-Team: Mongolian (http://www.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Session-ууд"
+
+msgid "session key"
+msgstr "session түлхүүр"
+
+msgid "session data"
+msgstr "session өгөгдөл"
+
+msgid "expire date"
+msgstr "дуусах хугацаа"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "session-ууд"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0dc523de
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cefc17d3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2024-01-24 18:26+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "सत्रे"
+
+msgid "session key"
+msgstr "सत्राची किल्ली"
+
+msgid "session data"
+msgstr "सत्रातील डेटा"
+
+msgid "expire date"
+msgstr "संपण्याची दिनांक"
+
+msgid "session"
+msgstr "सत्र"
+
+msgid "sessions"
+msgstr "सत्रे"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f46c07b1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4e3b6aab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-11-16 12:39+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "Sesi-sesi"
+
+msgid "session key"
+msgstr "Kunci sesi"
+
+msgid "session data"
+msgstr "Data sesi"
+
+msgid "expire date"
+msgstr "Tarikh tamat tempoh"
+
+msgid "session"
+msgstr "sesi"
+
+msgid "sessions"
+msgstr "sesi-sesi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..73d049a3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..74578742
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2013,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:50+0000\n"
+"Last-Translator: Yhal Htet Aung <jumoun@gmail.com>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "ကြားကာလများ"
+
+msgid "session key"
+msgstr "ကြားကာလသော့"
+
+msgid "session data"
+msgstr "ကြားကာလအချက်အလက်"
+
+msgid "expire date"
+msgstr "သက်တမ်းကုန်နေ့စွဲ"
+
+msgid "session"
+msgstr "ကြားကာလ"
+
+msgid "sessions"
+msgstr "ကြားကာလများ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..78c5727f
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7a6d5d0e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# jensadne <jensadne@pvv.ntnu.no>, 2014
+# Jon <jon@kolonial.no>, 2012
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Økter"
+
+msgid "session key"
+msgstr "øktnøkkel"
+
+msgid "session data"
+msgstr "øktdata"
+
+msgid "expire date"
+msgstr "utløpsdato"
+
+msgid "session"
+msgstr "økt"
+
+msgid "sessions"
+msgstr "økter"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..93ff6787
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c2b6e8cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Paras Nath Chaudhary <opnchaudhary@gmail.com>, 2012
+# Sagar Chalise <chalisesagar@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Sagar Chalise <chalisesagar@gmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "अवधिहरु"
+
+msgid "session key"
+msgstr "अवधि साँचो"
+
+msgid "session data"
+msgstr "अवधि विवरण"
+
+msgid "expire date"
+msgstr "खारेज मिति"
+
+msgid "session"
+msgstr "अवधि"
+
+msgid "sessions"
+msgstr "अवधिहरु"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c44a8fc6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..60698e54
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sander Steffann <inactive+steffann@transifex.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Sander Steffann <inactive+steffann@transifex.com>\n"
+"Language-Team: Dutch (http://www.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessies"
+
+msgid "session key"
+msgstr "sessiesleutel"
+
+msgid "session data"
+msgstr "sessiegegevens"
+
+msgid "expire date"
+msgstr "verloopdatum"
+
+msgid "session"
+msgstr "sessie"
+
+msgid "sessions"
+msgstr "sessies"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..285d386c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..802d36d1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-10-26 12:34+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesjonar"
+
+msgid "session key"
+msgstr "sesjonsnøkkel"
+
+msgid "session data"
+msgstr "sesjonsdata"
+
+msgid "expire date"
+msgstr "utløpsdato"
+
+msgid "session"
+msgstr "sesjon"
+
+msgid "sessions"
+msgstr "sesjonar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4ab9e905
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/os/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0588ebb7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:58+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "сессийы амонӕн"
+
+msgid "session data"
+msgstr "сессийы рардтӕ"
+
+msgid "expire date"
+msgstr "фӕуды афон"
+
+msgid "session"
+msgstr "сесси"
+
+msgid "sessions"
+msgstr "сесситӕ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9c4c9da6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3895f30c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "ਸ਼ੈਸ਼ਨ ਕੁੰਜੀ"
+
+msgid "session data"
+msgstr "ਸ਼ੈਸ਼ਨ ਡਾਟਾ"
+
+msgid "expire date"
+msgstr "ਮਿਆਦ ਮਿਤੀ"
+
+msgid "session"
+msgstr "ਸ਼ੈਸ਼ਨ"
+
+msgid "sessions"
+msgstr "ਸ਼ੈਸ਼ਨ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b479f2bc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b72de948
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mattia Procopio <promat85@gmail.com>, 2014
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Tomasz Kajtoch <tomekkaj@tomekkaj.pl>\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && (n"
+"%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
+"%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Sessions"
+msgstr "Sesje"
+
+msgid "session key"
+msgstr "klucz sesji"
+
+msgid "session data"
+msgstr "dane sesji"
+
+msgid "expire date"
+msgstr "data wygaśnięcia sesji"
+
+msgid "session"
+msgstr "sesja"
+
+msgid "sessions"
+msgstr "sesje"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bb50e3a6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..69a3fa04
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessões"
+
+msgid "session key"
+msgstr "chave da sessão"
+
+msgid "session data"
+msgstr "dados da sessão"
+
+msgid "expire date"
+msgstr "data de expiração"
+
+msgid "session"
+msgstr "sessão"
+
+msgid "sessions"
+msgstr "sessões"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e4e0da1d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt_BR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ebe8e6a3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: andrewsmedina <andrewsmedina@gmail.com>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sessions"
+msgstr "Sessões"
+
+msgid "session key"
+msgstr "chave da sessão"
+
+msgid "session data"
+msgstr "dados da sessão"
+
+msgid "expire date"
+msgstr "data de expiração"
+
+msgid "session"
+msgstr "sessão"
+
+msgid "sessions"
+msgstr "sessões"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..49ade94c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ro/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..daae11e9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Daniel Ursache-Dogariu, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Razvan Stefanescu <razvan.stefanescu@gmail.com>\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Sessions"
+msgstr "Sesiuni"
+
+msgid "session key"
+msgstr "cheie sesiune"
+
+msgid "session data"
+msgstr "date sesiune"
+
+msgid "expire date"
+msgstr "dată expirare"
+
+msgid "session"
+msgstr "sesiune"
+
+msgid "sessions"
+msgstr "sesiuni"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8934770a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1f4a9388
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Алексей Борискин <sun.void@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Eugene MechanisM <eugene@mechanism.pro>\n"
+"Language-Team: Russian (http://www.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Sessions"
+msgstr "Сессии"
+
+msgid "session key"
+msgstr "ключ сессии"
+
+msgid "session data"
+msgstr "данные сессии"
+
+msgid "expire date"
+msgstr "дата окончания"
+
+msgid "session"
+msgstr "сессия"
+
+msgid "sessions"
+msgstr "сессии"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..675f7613
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ca01c84e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Martin Tóth <ezimir@gmail.com>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>\n"
+"Language-Team: Slovak (http://www.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Sessions"
+msgstr "Relácie"
+
+msgid "session key"
+msgstr "kľúč relácie"
+
+msgid "session data"
+msgstr "údaje relácie"
+
+msgid "expire date"
+msgstr "dátum vypršania platnosti"
+
+msgid "session"
+msgstr "relácia"
+
+msgid "sessions"
+msgstr "relácie"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a44169f1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f06a9a20
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# zejn <zejn@kiberpipa.org>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Primož Verdnik <primoz.verdnik@gmail.com>\n"
+"Language-Team: Slovenian (http://www.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Sessions"
+msgstr "Seje"
+
+msgid "session key"
+msgstr "ključ seje"
+
+msgid "session data"
+msgstr "podatki seje"
+
+msgid "expire date"
+msgstr "čas preteka"
+
+msgid "session"
+msgstr "seja"
+
+msgid "sessions"
+msgstr "seje"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..001dbcd1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sq/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3299ef03
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik <besnik@programeshqip.org>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Besnik <besnik@programeshqip.org>\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sesione"
+
+msgid "session key"
+msgstr "kyç sesioni"
+
+msgid "session data"
+msgstr "të dhëna sesioni"
+
+msgid "expire date"
+msgstr "datë skadimi"
+
+msgid "session"
+msgstr "sesion"
+
+msgid "sessions"
+msgstr "sesione"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d89316d8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..97759a03
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-01-30 10:08+0000\n"
+"Last-Translator: Branko Kokanovic <branko@kokanovic.org>\n"
+"Language-Team: Serbian (http://www.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Sessions"
+msgstr "Сесије"
+
+msgid "session key"
+msgstr "кључ сесије"
+
+msgid "session data"
+msgstr "подаци сесије"
+
+msgid "expire date"
+msgstr "датум застаревања"
+
+msgid "session"
+msgstr "сесија"
+
+msgid "sessions"
+msgstr "сесије"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..708ede03
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1132d52d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-06-27 12:40+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (Latin) (http://www.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Sessions"
+msgstr "Sesije"
+
+msgid "session key"
+msgstr "ključ sesije"
+
+msgid "session data"
+msgstr "podaci sesije"
+
+msgid "expire date"
+msgstr "datum zastarevanja"
+
+msgid "session"
+msgstr "sesija"
+
+msgid "sessions"
+msgstr "sesije"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b44d13a6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..bf18a34f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jonathan Lindén\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessioner"
+
+msgid "session key"
+msgstr "sessionsnyckel"
+
+msgid "session data"
+msgstr "sessionsdata"
+
+msgid "expire date"
+msgstr "utgångsdatum"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessioner"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3b4e3a45
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sw/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f645ab42
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Machaku <bmachaku@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Vipindi"
+
+msgid "session key"
+msgstr "ufunguo wa kipindi"
+
+msgid "session data"
+msgstr "data za kipindi"
+
+msgid "expire date"
+msgstr "tarehe ya mwisho ya matumizi"
+
+msgid "session"
+msgstr "kipindi"
+
+msgid "sessions"
+msgstr "vipindi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a81d60d0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..21779b00
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/django/django/language/ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "அமர்வு குறியீ"
+
+msgid "session data"
+msgstr "அமர்வு தகவல்"
+
+msgid "expire date"
+msgstr "காலாவதியாகும் தேதி"
+
+msgid "session"
+msgstr "அமர்வு"
+
+msgid "sessions"
+msgstr "அமர்வுகள்"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7a2be871
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c9832a4e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# bhaskar teja yerneni <prudhviy@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "భాగము తాళంచెవి"
+
+msgid "session data"
+msgstr "భాగము దత్తం"
+
+msgid "expire date"
+msgstr "కాలం చెల్లు తేది."
+
+msgid "session"
+msgstr "భాగము"
+
+msgid "sessions"
+msgstr "భాగములు"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7a64c5bb
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0860033c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2020-05-15 00:34+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Сессияҳо"
+
+msgid "session key"
+msgstr "калиди сессияҳо"
+
+msgid "session data"
+msgstr "додаҳои сессияҳо"
+
+msgid "expire date"
+msgstr "санаи анҷом"
+
+msgid "session"
+msgstr "сессия"
+
+msgid "sessions"
+msgstr "сессияҳо"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..462cce8c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/th/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9f7648fc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-05-06 07:45+0000\n"
+"Last-Translator: Kowit Charoenratchatabhan <kowit.s.c@gmail.com>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "เซสชัน"
+
+msgid "session key"
+msgstr "เซสชันคีย์"
+
+msgid "session data"
+msgstr "ข้อมูลเซสชัน"
+
+msgid "expire date"
+msgstr "วันหมดอายุ"
+
+msgid "session"
+msgstr "เซสชัน"
+
+msgid "sessions"
+msgstr "เซสชัน"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..18fdb603
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f5ace165
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Welbeck Garli <welbeckgrlyw@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2020-07-06 11:50+0000\n"
+"Last-Translator: Resulkary <resulsaparov@gmail.com>\n"
+"Language-Team: Turkmen (http://www.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "Sessiýalar"
+
+msgid "session key"
+msgstr "sessiýa açary"
+
+msgid "session data"
+msgstr "sessiýa maglumaty"
+
+msgid "expire date"
+msgstr "gutarýan senesi"
+
+msgid "session"
+msgstr "sessiýa"
+
+msgid "sessions"
+msgstr "sessiýalar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3125a69a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a23226bf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# BouRock, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sessions"
+msgstr "Oturumlar"
+
+msgid "session key"
+msgstr "oturum anahtarı"
+
+msgid "session data"
+msgstr "oturum verisi"
+
+msgid "expire date"
+msgstr "bitiş tarihi"
+
+msgid "session"
+msgstr "oturum"
+
+msgid "sessions"
+msgstr "oturumlar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e5521928
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d74b9f41
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+# v_ildar <v_ildar@bk.ru>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "Эш сеанслары"
+
+msgid "session key"
+msgstr "эш сеансы ачкычы"
+
+msgid "session data"
+msgstr "эш сеансы бирелмәләре"
+
+msgid "expire date"
+msgstr "искерү көне"
+
+msgid "session"
+msgstr "эш сеансы"
+
+msgid "sessions"
+msgstr "эш сеанслары"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af7ab53b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/udm/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d0a7115d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr ""
+
+msgid "session data"
+msgstr ""
+
+msgid "expire date"
+msgstr ""
+
+msgid "session"
+msgstr ""
+
+msgid "sessions"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1a4986db
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5ee40659
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,34 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2023-12-04 18:26+0000\n"
+"Last-Translator: Django team\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr "ئەڭگىمە"
+
+msgid "session key"
+msgstr "ئەڭگىمە ئاچقۇچى"
+
+msgid "session data"
+msgstr "ئەڭگىمە سانلىق مەلۇماتى"
+
+msgid "expire date"
+msgstr "ئاخىرلىشىش ۋاقتى"
+
+msgid "session"
+msgstr "ئەڭگىمە"
+
+msgid "sessions"
+msgstr "ئەڭگىمەلەر"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a2def308
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..befabf06
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,40 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Oleksandr Chernihov <o.chernihov@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Mykola Zamkovoi <nickzam@gmail.com>\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Sessions"
+msgstr "Сесії"
+
+msgid "session key"
+msgstr "ключ сесії"
+
+msgid "session data"
+msgstr "дані сесії"
+
+msgid "expire date"
+msgstr "термін придатності"
+
+msgid "session"
+msgstr "сесія"
+
+msgid "sessions"
+msgstr "сесії"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..493b9c22
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ur/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..62f62556
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "کلید نشست"
+
+msgid "session data"
+msgstr "نشست کا ڈیٹا"
+
+msgid "expire date"
+msgstr "مدت ختم ھونے کی تاریخ"
+
+msgid "session"
+msgstr "نشست"
+
+msgid "sessions"
+msgstr "نشستیں"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uz/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uz/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9346a6c3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uz/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uz/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uz/LC_MESSAGES/django.po
new file mode 100644
index 00000000..47fa681e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/uz/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Nuruddin Iminokhunov <nuruddin.iminohunov@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 01:18+0000\n"
+"Last-Translator: Nuruddin Iminokhunov <nuruddin.iminohunov@gmail.com>\n"
+"Language-Team: Uzbek (http://www.transifex.com/django/django/language/uz/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uz\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "Sessiyalar"
+
+msgid "session key"
+msgstr "sessiya kaliti"
+
+msgid "session data"
+msgstr "sessiya ma'lumotlari "
+
+msgid "expire date"
+msgstr "tugash vaqti"
+
+msgid "session"
+msgstr "sessiya"
+
+msgid "sessions"
+msgstr "sessiyalar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..69b82fd3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/vi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..731d24ce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thanh Le Viet <lethanhx2k@gmail.com>, 2013
+# Tran Van <vantxm@yahoo.co.uk>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Tran Van <vantxm@yahoo.co.uk>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr ""
+
+msgid "session key"
+msgstr "session key"
+
+msgid "session data"
+msgstr "session data"
+
+msgid "expire date"
+msgstr "Ngày hết hạn"
+
+msgid "session"
+msgstr "Phiên"
+
+msgid "sessions"
+msgstr "session"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..4d762f61
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hans/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ee258596
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ronald White <ouyanghongyu@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "会话"
+
+msgid "session key"
+msgstr "会话密钥"
+
+msgid "session data"
+msgstr "会话数据"
+
+msgid "expire date"
+msgstr "过期时间"
+
+msgid "session"
+msgstr "会话"
+
+msgid "sessions"
+msgstr "会话"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ad835229
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hant/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ef202b9f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Chen Chun-Chia <ccc.larc@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sessions"
+msgstr "Sessions"
+
+msgid "session key"
+msgstr "session 鍵值"
+
+msgid "session data"
+msgstr "session 資料"
+
+msgid "expire date"
+msgstr "到期日期"
+
+msgid "session"
+msgstr "session"
+
+msgid "sessions"
+msgstr "sessions"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/management/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/management/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/management/commands/__pycache__/clearsessions.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/management/commands/__pycache__/clearsessions.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/management/commands/clearsessions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/management/commands/clearsessions.py
new file mode 100644
index 00000000..899f5379
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/management/commands/clearsessions.py
@@ -0,0 +1,21 @@
+from importlib import import_module
+
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+
+
+class Command(BaseCommand):
+    help = (
+        "Can be run as a cronjob or directly to clean out expired sessions "
+        "when the backend supports it."
+    )
+
+    def handle(self, **options):
+        engine = import_module(settings.SESSION_ENGINE)
+        try:
+            engine.SessionStore.clear_expired()
+        except NotImplementedError:
+            raise CommandError(
+                "Session engine '%s' doesn't support clearing expired "
+                "sessions." % settings.SESSION_ENGINE
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/middleware.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/middleware.py
new file mode 100644
index 00000000..9c934f9d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/middleware.py
@@ -0,0 +1,77 @@
+import time
+from importlib import import_module
+
+from django.conf import settings
+from django.contrib.sessions.backends.base import UpdateError
+from django.contrib.sessions.exceptions import SessionInterrupted
+from django.utils.cache import patch_vary_headers
+from django.utils.deprecation import MiddlewareMixin
+from django.utils.http import http_date
+
+
+class SessionMiddleware(MiddlewareMixin):
+    def __init__(self, get_response):
+        super().__init__(get_response)
+        engine = import_module(settings.SESSION_ENGINE)
+        self.SessionStore = engine.SessionStore
+
+    def process_request(self, request):
+        session_key = request.COOKIES.get(settings.SESSION_COOKIE_NAME)
+        request.session = self.SessionStore(session_key)
+
+    def process_response(self, request, response):
+        """
+        If request.session was modified, or if the configuration is to save the
+        session every time, save the changes and set a session cookie or delete
+        the session cookie if the session has been emptied.
+        """
+        try:
+            accessed = request.session.accessed
+            modified = request.session.modified
+            empty = request.session.is_empty()
+        except AttributeError:
+            return response
+        # First check if we need to delete this cookie.
+        # The session should be deleted only if the session is entirely empty.
+        if settings.SESSION_COOKIE_NAME in request.COOKIES and empty:
+            response.delete_cookie(
+                settings.SESSION_COOKIE_NAME,
+                path=settings.SESSION_COOKIE_PATH,
+                domain=settings.SESSION_COOKIE_DOMAIN,
+                samesite=settings.SESSION_COOKIE_SAMESITE,
+            )
+            patch_vary_headers(response, ("Cookie",))
+        else:
+            if accessed:
+                patch_vary_headers(response, ("Cookie",))
+            if (modified or settings.SESSION_SAVE_EVERY_REQUEST) and not empty:
+                if request.session.get_expire_at_browser_close():
+                    max_age = None
+                    expires = None
+                else:
+                    max_age = request.session.get_expiry_age()
+                    expires_time = time.time() + max_age
+                    expires = http_date(expires_time)
+                # Save the session data and refresh the client cookie.
+                # Skip session save for 5xx responses.
+                if response.status_code < 500:
+                    try:
+                        request.session.save()
+                    except UpdateError:
+                        raise SessionInterrupted(
+                            "The request's session was deleted before the "
+                            "request completed. The user may have logged "
+                            "out in a concurrent request, for example."
+                        )
+                    response.set_cookie(
+                        settings.SESSION_COOKIE_NAME,
+                        request.session.session_key,
+                        max_age=max_age,
+                        expires=expires,
+                        domain=settings.SESSION_COOKIE_DOMAIN,
+                        path=settings.SESSION_COOKIE_PATH,
+                        secure=settings.SESSION_COOKIE_SECURE or None,
+                        httponly=settings.SESSION_COOKIE_HTTPONLY or None,
+                        samesite=settings.SESSION_COOKIE_SAMESITE,
+                    )
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/migrations/0001_initial.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/migrations/0001_initial.py
new file mode 100644
index 00000000..42e382aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/migrations/0001_initial.py
@@ -0,0 +1,37 @@
+import django.contrib.sessions.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name="Session",
+            fields=[
+                (
+                    "session_key",
+                    models.CharField(
+                        max_length=40,
+                        serialize=False,
+                        verbose_name="session key",
+                        primary_key=True,
+                    ),
+                ),
+                ("session_data", models.TextField(verbose_name="session data")),
+                (
+                    "expire_date",
+                    models.DateTimeField(verbose_name="expire date", db_index=True),
+                ),
+            ],
+            options={
+                "abstract": False,
+                "db_table": "django_session",
+                "verbose_name": "session",
+                "verbose_name_plural": "sessions",
+            },
+            managers=[
+                ("objects", django.contrib.sessions.models.SessionManager()),
+            ],
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/migrations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/migrations/__init__.py
new file mode 100644
index 00000000..e69de29b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/models.py
new file mode 100644
index 00000000..e786ab4e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/models.py
@@ -0,0 +1,35 @@
+from django.contrib.sessions.base_session import AbstractBaseSession, BaseSessionManager
+
+
+class SessionManager(BaseSessionManager):
+    use_in_migrations = True
+
+
+class Session(AbstractBaseSession):
+    """
+    Django provides full support for anonymous sessions. The session
+    framework lets you store and retrieve arbitrary data on a
+    per-site-visitor basis. It stores data on the server side and
+    abstracts the sending and receiving of cookies. Cookies contain a
+    session ID -- not the data itself.
+
+    The Django sessions framework is entirely cookie-based. It does
+    not fall back to putting session IDs in URLs. This is an intentional
+    design decision. Not only does that behavior make URLs ugly, it makes
+    your site vulnerable to session-ID theft via the "Referer" header.
+
+    For complete documentation on using Sessions in your code, consult
+    the sessions documentation that is shipped with Django (also available
+    on the Django web site).
+    """
+
+    objects = SessionManager()
+
+    @classmethod
+    def get_session_store_class(cls):
+        from django.contrib.sessions.backends.db import SessionStore
+
+        return SessionStore
+
+    class Meta(AbstractBaseSession.Meta):
+        db_table = "django_session"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/serializers.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/serializers.py
new file mode 100644
index 00000000..16a248cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sessions/serializers.py
@@ -0,0 +1,3 @@
+from django.core.signing import JSONSerializer as BaseJSONSerializer
+
+JSONSerializer = BaseJSONSerializer
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/__init__.py
new file mode 100644
index 00000000..dd21d882
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/__init__.py
@@ -0,0 +1,200 @@
+from django.apps import apps as django_apps
+from django.conf import settings
+from django.core import paginator
+from django.core.exceptions import ImproperlyConfigured
+from django.utils import translation
+
+
+class Sitemap:
+    # This limit is defined by Google. See the index documentation at
+    # https://www.sitemaps.org/protocol.html#index.
+    limit = 50000
+
+    # If protocol is None, the URLs in the sitemap will use the protocol
+    # with which the sitemap was requested.
+    protocol = None
+
+    # Enables generating URLs for all languages.
+    i18n = False
+
+    # Override list of languages to use.
+    languages = None
+
+    # Enables generating alternate/hreflang links.
+    alternates = False
+
+    # Add an alternate/hreflang link with value 'x-default'.
+    x_default = False
+
+    def _get(self, name, item, default=None):
+        try:
+            attr = getattr(self, name)
+        except AttributeError:
+            return default
+        if callable(attr):
+            if self.i18n:
+                # Split the (item, lang_code) tuples again for the location,
+                # priority, lastmod and changefreq method calls.
+                item, lang_code = item
+            return attr(item)
+        return attr
+
+    def get_languages_for_item(self, item):
+        """Languages for which this item is displayed."""
+        return self._languages()
+
+    def _languages(self):
+        if self.languages is not None:
+            return self.languages
+        return [lang_code for lang_code, _ in settings.LANGUAGES]
+
+    def _items(self):
+        if self.i18n:
+            # Create (item, lang_code) tuples for all items and languages.
+            # This is necessary to paginate with all languages already considered.
+            items = [
+                (item, lang_code)
+                for item in self.items()
+                for lang_code in self.get_languages_for_item(item)
+            ]
+            return items
+        return self.items()
+
+    def _location(self, item, force_lang_code=None):
+        if self.i18n:
+            obj, lang_code = item
+            # Activate language from item-tuple or forced one before calling location.
+            with translation.override(force_lang_code or lang_code):
+                return self._get("location", item)
+        return self._get("location", item)
+
+    @property
+    def paginator(self):
+        return paginator.Paginator(self._items(), self.limit)
+
+    def items(self):
+        return []
+
+    def location(self, item):
+        return item.get_absolute_url()
+
+    def get_protocol(self, protocol=None):
+        # Determine protocol
+        return self.protocol or protocol or "https"
+
+    def get_domain(self, site=None):
+        # Determine domain
+        if site is None:
+            if django_apps.is_installed("django.contrib.sites"):
+                Site = django_apps.get_model("sites.Site")
+                try:
+                    site = Site.objects.get_current()
+                except Site.DoesNotExist:
+                    pass
+            if site is None:
+                raise ImproperlyConfigured(
+                    "To use sitemaps, either enable the sites framework or pass "
+                    "a Site/RequestSite object in your view."
+                )
+        return site.domain
+
+    def get_urls(self, page=1, site=None, protocol=None):
+        protocol = self.get_protocol(protocol)
+        domain = self.get_domain(site)
+        return self._urls(page, protocol, domain)
+
+    def get_latest_lastmod(self):
+        if not hasattr(self, "lastmod"):
+            return None
+        if callable(self.lastmod):
+            try:
+                return max([self.lastmod(item) for item in self.items()], default=None)
+            except TypeError:
+                return None
+        else:
+            return self.lastmod
+
+    def _urls(self, page, protocol, domain):
+        urls = []
+        latest_lastmod = None
+        all_items_lastmod = True  # track if all items have a lastmod
+
+        paginator_page = self.paginator.page(page)
+        for item in paginator_page.object_list:
+            loc = f"{protocol}://{domain}{self._location(item)}"
+            priority = self._get("priority", item)
+            lastmod = self._get("lastmod", item)
+
+            if all_items_lastmod:
+                all_items_lastmod = lastmod is not None
+                if all_items_lastmod and (
+                    latest_lastmod is None or lastmod > latest_lastmod
+                ):
+                    latest_lastmod = lastmod
+
+            url_info = {
+                "item": item,
+                "location": loc,
+                "lastmod": lastmod,
+                "changefreq": self._get("changefreq", item),
+                "priority": str(priority if priority is not None else ""),
+                "alternates": [],
+            }
+
+            if self.i18n and self.alternates:
+                item_languages = self.get_languages_for_item(item[0])
+                for lang_code in item_languages:
+                    loc = f"{protocol}://{domain}{self._location(item, lang_code)}"
+                    url_info["alternates"].append(
+                        {
+                            "location": loc,
+                            "lang_code": lang_code,
+                        }
+                    )
+                if self.x_default and settings.LANGUAGE_CODE in item_languages:
+                    lang_code = settings.LANGUAGE_CODE
+                    loc = f"{protocol}://{domain}{self._location(item, lang_code)}"
+                    loc = loc.replace(f"/{lang_code}/", "/", 1)
+                    url_info["alternates"].append(
+                        {
+                            "location": loc,
+                            "lang_code": "x-default",
+                        }
+                    )
+
+            urls.append(url_info)
+
+        if all_items_lastmod and latest_lastmod:
+            self.latest_lastmod = latest_lastmod
+
+        return urls
+
+
+class GenericSitemap(Sitemap):
+    priority = None
+    changefreq = None
+
+    def __init__(self, info_dict, priority=None, changefreq=None, protocol=None):
+        self.queryset = info_dict["queryset"]
+        self.date_field = info_dict.get("date_field")
+        self.priority = self.priority or priority
+        self.changefreq = self.changefreq or changefreq
+        self.protocol = self.protocol or protocol
+
+    def items(self):
+        # Make sure to return a clone; we don't want premature evaluation.
+        return self.queryset.filter()
+
+    def lastmod(self, item):
+        if self.date_field is not None:
+            return getattr(item, self.date_field)
+        return None
+
+    def get_latest_lastmod(self):
+        if self.date_field is not None:
+            return (
+                self.queryset.order_by("-" + self.date_field)
+                .values_list(self.date_field, flat=True)
+                .first()
+            )
+        return None
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/__pycache__/views.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/__pycache__/views.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/apps.py
new file mode 100644
index 00000000..70c200c6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/apps.py
@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class SiteMapsConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.sitemaps"
+    verbose_name = _("Site Maps")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/templates/sitemap.xml b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/templates/sitemap.xml
new file mode 100644
index 00000000..67b166ac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/templates/sitemap.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
+{% spaceless %}
+{% for url in urlset %}
+  <url>
+    <loc>{{ url.location }}</loc>
+    {% if url.lastmod %}<lastmod>{{ url.lastmod|date:"Y-m-d" }}</lastmod>{% endif %}
+    {% if url.changefreq %}<changefreq>{{ url.changefreq }}</changefreq>{% endif %}
+    {% if url.priority %}<priority>{{ url.priority }}</priority>{% endif %}
+    {% for alternate in url.alternates %}
+    <xhtml:link rel="alternate" hreflang="{{ alternate.lang_code }}" href="{{ alternate.location }}"/>
+    {% endfor %}
+  </url>
+{% endfor %}
+{% endspaceless %}
+</urlset>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/templates/sitemap_index.xml b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/templates/sitemap_index.xml
new file mode 100644
index 00000000..b7abd12b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/templates/sitemap_index.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+{% spaceless %}
+{% for site in sitemaps %}
+  <sitemap>
+    <loc>{{ site.location }}</loc>
+      {% if site.last_mod %}
+        <lastmod>{{ site.last_mod|date:"c" }}</lastmod>
+      {% endif %}
+  </sitemap>
+{% endfor %}
+{% endspaceless %}
+</sitemapindex>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/views.py
new file mode 100644
index 00000000..166563b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sitemaps/views.py
@@ -0,0 +1,140 @@
+import datetime
+from dataclasses import dataclass
+from functools import wraps
+
+from django.contrib.sites.shortcuts import get_current_site
+from django.core.paginator import EmptyPage, PageNotAnInteger
+from django.http import Http404
+from django.template.response import TemplateResponse
+from django.urls import reverse
+from django.utils import timezone
+from django.utils.http import http_date
+
+
+@dataclass
+class SitemapIndexItem:
+    location: str
+    last_mod: bool = None
+
+
+def x_robots_tag(func):
+    @wraps(func)
+    def inner(request, *args, **kwargs):
+        response = func(request, *args, **kwargs)
+        response.headers["X-Robots-Tag"] = "noindex, noodp, noarchive"
+        return response
+
+    return inner
+
+
+def _get_latest_lastmod(current_lastmod, new_lastmod):
+    """
+    Returns the latest `lastmod` where `lastmod` can be either a date or a
+    datetime.
+    """
+    if not isinstance(new_lastmod, datetime.datetime):
+        new_lastmod = datetime.datetime.combine(new_lastmod, datetime.time.min)
+    if timezone.is_naive(new_lastmod):
+        new_lastmod = timezone.make_aware(new_lastmod, datetime.timezone.utc)
+    return new_lastmod if current_lastmod is None else max(current_lastmod, new_lastmod)
+
+
+@x_robots_tag
+def index(
+    request,
+    sitemaps,
+    template_name="sitemap_index.xml",
+    content_type="application/xml",
+    sitemap_url_name="django.contrib.sitemaps.views.sitemap",
+):
+    req_protocol = request.scheme
+    req_site = get_current_site(request)
+
+    sites = []  # all sections' sitemap URLs
+    all_indexes_lastmod = True
+    latest_lastmod = None
+    for section, site in sitemaps.items():
+        # For each section label, add links of all pages of its sitemap
+        # (usually generated by the `sitemap` view).
+        if callable(site):
+            site = site()
+        protocol = req_protocol if site.protocol is None else site.protocol
+        sitemap_url = reverse(sitemap_url_name, kwargs={"section": section})
+        absolute_url = "%s://%s%s" % (protocol, req_site.domain, sitemap_url)
+        site_lastmod = site.get_latest_lastmod()
+        if all_indexes_lastmod:
+            if site_lastmod is not None:
+                latest_lastmod = _get_latest_lastmod(latest_lastmod, site_lastmod)
+            else:
+                all_indexes_lastmod = False
+        sites.append(SitemapIndexItem(absolute_url, site_lastmod))
+        # Add links to all pages of the sitemap.
+        for page in range(2, site.paginator.num_pages + 1):
+            sites.append(
+                SitemapIndexItem("%s?p=%s" % (absolute_url, page), site_lastmod)
+            )
+    # If lastmod is defined for all sites, set header so as
+    # ConditionalGetMiddleware is able to send 304 NOT MODIFIED
+    if all_indexes_lastmod and latest_lastmod:
+        headers = {"Last-Modified": http_date(latest_lastmod.timestamp())}
+    else:
+        headers = None
+    return TemplateResponse(
+        request,
+        template_name,
+        {"sitemaps": sites},
+        content_type=content_type,
+        headers=headers,
+    )
+
+
+@x_robots_tag
+def sitemap(
+    request,
+    sitemaps,
+    section=None,
+    template_name="sitemap.xml",
+    content_type="application/xml",
+):
+    req_protocol = request.scheme
+    req_site = get_current_site(request)
+
+    if section is not None:
+        if section not in sitemaps:
+            raise Http404("No sitemap available for section: %r" % section)
+        maps = [sitemaps[section]]
+    else:
+        maps = sitemaps.values()
+    page = request.GET.get("p", 1)
+
+    lastmod = None
+    all_sites_lastmod = True
+    urls = []
+    for site in maps:
+        try:
+            if callable(site):
+                site = site()
+            urls.extend(site.get_urls(page=page, site=req_site, protocol=req_protocol))
+            if all_sites_lastmod:
+                site_lastmod = getattr(site, "latest_lastmod", None)
+                if site_lastmod is not None:
+                    lastmod = _get_latest_lastmod(lastmod, site_lastmod)
+                else:
+                    all_sites_lastmod = False
+        except EmptyPage:
+            raise Http404("Page %s empty" % page)
+        except PageNotAnInteger:
+            raise Http404("No page '%s'" % page)
+    # If lastmod is defined for all sites, set header so as
+    # ConditionalGetMiddleware is able to send 304 NOT MODIFIED
+    if all_sites_lastmod:
+        headers = {"Last-Modified": http_date(lastmod.timestamp())} if lastmod else None
+    else:
+        headers = None
+    return TemplateResponse(
+        request,
+        template_name,
+        {"urlset": urls},
+        content_type=content_type,
+        headers=headers,
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/__pycache__/shortcuts.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/__pycache__/shortcuts.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/admin.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/admin.py
new file mode 100644
index 00000000..53ad53d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/admin.py
@@ -0,0 +1,8 @@
+from django.contrib import admin
+from django.contrib.sites.models import Site
+
+
+@admin.register(Site)
+class SiteAdmin(admin.ModelAdmin):
+    list_display = ("domain", "name")
+    search_fields = ("domain", "name")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/apps.py
new file mode 100644
index 00000000..ac51a84e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/apps.py
@@ -0,0 +1,17 @@
+from django.apps import AppConfig
+from django.contrib.sites.checks import check_site_id
+from django.core import checks
+from django.db.models.signals import post_migrate
+from django.utils.translation import gettext_lazy as _
+
+from .management import create_default_site
+
+
+class SitesConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.sites"
+    verbose_name = _("Sites")
+
+    def ready(self):
+        post_migrate.connect(create_default_site, sender=self)
+        checks.register(check_site_id, checks.Tags.sites)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/checks.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/checks.py
new file mode 100644
index 00000000..66e8551b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/checks.py
@@ -0,0 +1,14 @@
+from types import NoneType
+
+from django.conf import settings
+from django.core.checks import Error
+
+
+def check_site_id(app_configs, **kwargs):
+    if hasattr(settings, "SITE_ID") and not isinstance(
+        settings.SITE_ID, (NoneType, int)
+    ):
+        return [
+            Error("The SITE_ID setting must be an integer", id="sites.E101"),
+        ]
+    return []
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/af/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/af/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d6132674
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/af/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/af/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e4742e2e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/af/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# F Wolff <friedel@translate.org.za>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-01-04 18:46+0000\n"
+"Last-Translator: F Wolff <friedel@translate.org.za>\n"
+"Language-Team: Afrikaans (http://www.transifex.com/django/django/language/"
+"af/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: af\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Werwe"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Die domeinnaam mag nie spasies of tab-karakters bevat nie."
+
+msgid "domain name"
+msgstr "domeinnaam"
+
+msgid "display name"
+msgstr "vertoonnaam"
+
+msgid "site"
+msgstr "werf"
+
+msgid "sites"
+msgstr "werwe"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bc0ef772
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f04d717b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bashar Al-Abdulhadi, 2014
+# Eyad Toma <d.eyad.t@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Arabic (http://www.transifex.com/django/django/language/ar/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Sites"
+msgstr "المواقع"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "اسم النطاق يجب أن لا يحتوي على فراغات أو فراغات طويلة tabs."
+
+msgid "domain name"
+msgstr "اسم النطاق"
+
+msgid "display name"
+msgstr "اسم العرض"
+
+msgid "site"
+msgstr "موقع"
+
+msgid "sites"
+msgstr "المواقع"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar_DZ/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar_DZ/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..35e42fa9
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar_DZ/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar_DZ/LC_MESSAGES/django.po
new file mode 100644
index 00000000..815f9730
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ar_DZ/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Riterix <infosrabah@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-12-14 22:52+0000\n"
+"Last-Translator: Riterix <infosrabah@gmail.com>\n"
+"Language-Team: Arabic (Algeria) (http://www.transifex.com/django/django/"
+"language/ar_DZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ar_DZ\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 && n%100<=99 ? 4 : 5;\n"
+
+msgid "Sites"
+msgstr "المواقع"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "اسم النطاق يجب أن لا يحتوي على فراغات أو فراغات طويلة tabs."
+
+msgid "domain name"
+msgstr "اسم النطاق"
+
+msgid "display name"
+msgstr "اسم العرض"
+
+msgid "site"
+msgstr "موقع"
+
+msgid "sites"
+msgstr "المواقع"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ast/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ast/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0f14b988
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ast/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ast/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4fff0b44
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ast/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ḷḷumex03 <tornes@opmbx.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 19:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Asturian (http://www.transifex.com/django/django/language/"
+"ast/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ast\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "El nome de dominiu nun pue contener dengún espaciu o tabulación."
+
+msgid "domain name"
+msgstr "nome de dominiu"
+
+msgid "display name"
+msgstr "amosar nome"
+
+msgid "site"
+msgstr "sitiu"
+
+msgid "sites"
+msgstr "sitios"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/az/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/az/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0ec03f98
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/az/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/az/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cd3d29bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/az/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ali Ismayilov <ali@ismailov.info>, 2011
+# Emin Mastizada <emin@linux.com>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-04-27 17:01+0000\n"
+"Last-Translator: Emin Mastizada <emin@linux.com>\n"
+"Language-Team: Azerbaijani (http://www.transifex.com/django/django/language/"
+"az/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: az\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Saytlar"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domen adında boşluq və tab boşluğu olmamalıdır."
+
+msgid "domain name"
+msgstr "domen"
+
+msgid "display name"
+msgstr "adı"
+
+msgid "site"
+msgstr "sayt"
+
+msgid "sites"
+msgstr "saytlar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/be/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/be/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ec75cef7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/be/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/be/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/be/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8b44db3d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/be/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viktar Palstsiuk <vipals@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Viktar Palstsiuk <vipals@gmail.com>\n"
+"Language-Team: Belarusian (http://www.transifex.com/django/django/language/"
+"be/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: be\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Sites"
+msgstr "Сайты"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Даменнае імя ня можа ўтрымліваць прабелы або сымбалі табуляцыі."
+
+msgid "domain name"
+msgstr "назва дамэна"
+
+msgid "display name"
+msgstr "бачная назва"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайты"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b337e3d4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bg/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4ebb4ba0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bg/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Lyuboslav  Petrov <petrov.lyuboslav@gmail.com>, 2014
+# vestimir <vestimir@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bulgarian (http://www.transifex.com/django/django/language/"
+"bg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Сайтове"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Името на домейна не може да съдържа никакви интервали или табулации."
+
+msgid "domain name"
+msgstr "име на домейна"
+
+msgid "display name"
+msgstr "наименование"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайтове"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..11265f6b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2325fe35
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bn/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Tahmid Rafi <rafi.tahmid@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Tahmid Rafi <rafi.tahmid@gmail.com>\n"
+"Language-Team: Bengali (http://www.transifex.com/django/django/language/"
+"bn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "সাইট"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "ডোমেইন নাম এ কোন স্পেস বা ট্যাব থাকতে পারবে না।"
+
+msgid "domain name"
+msgstr "ডোমেইন নাম"
+
+msgid "display name"
+msgstr "ডিসপ্লে নাম"
+
+msgid "site"
+msgstr "সাইট"
+
+msgid "sites"
+msgstr "সাইটসমূহ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/br/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/br/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e8547bae
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/br/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/br/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/br/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4294e2b3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/br/LC_MESSAGES/django.po
@@ -0,0 +1,40 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Fulup <fulup.jakez@gmail.com>, 2012
+# Irriep Nala Novram <allannkorh@yahoo.fr>, 2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-10-19 23:07+0000\n"
+"Last-Translator: Irriep Nala Novram <allannkorh@yahoo.fr>\n"
+"Language-Team: Breton (http://www.transifex.com/django/django/language/br/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: br\n"
+"Plural-Forms: nplurals=5; plural=((n%10 == 1) && (n%100 != 11) && (n%100 !"
+"=71) && (n%100 !=91) ? 0 :(n%10 == 2) && (n%100 != 12) && (n%100 !=72) && (n"
+"%100 !=92) ? 1 :(n%10 ==3 || n%10==4 || n%10==9) && (n%100 < 10 || n% 100 > "
+"19) && (n%100 < 70 || n%100 > 79) && (n%100 < 90 || n%100 > 99) ? 2 :(n != 0 "
+"&& n % 1000000 == 0) ? 3 : 4);\n"
+
+msgid "Sites"
+msgstr "Lec'hiennoù"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "An anv domani n'hall na enderc'hel spasoù pe taolennadurioù."
+
+msgid "domain name"
+msgstr "anv domani"
+
+msgid "display name"
+msgstr "anv da ziskouez"
+
+msgid "site"
+msgstr "lec'hienn"
+
+msgid "sites"
+msgstr "lec'hiennoù"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1b76e2fc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7a10cea2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/bs/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Bosnian (http://www.transifex.com/django/django/language/"
+"bs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: bs\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "ime domena"
+
+msgid "display name"
+msgstr "prikazano ime"
+
+msgid "site"
+msgstr "sajt"
+
+msgid "sites"
+msgstr "sajtovi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ca/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ca/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..36107e04
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ca/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ca/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ca/LC_MESSAGES/django.po
new file mode 100644
index 00000000..22f2c13a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ca/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Antoni Aloy <aaloy@apsl.net>, 2013
+# Carles Barrobés <carles@barrobes.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Catalan (http://www.transifex.com/django/django/language/"
+"ca/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ca\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Llocs"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "El nom de domini no pot contenir cap espai ni tabuladors."
+
+msgid "domain name"
+msgstr "nom del domini"
+
+msgid "display name"
+msgstr "nom per mostrar"
+
+msgid "site"
+msgstr "lloc"
+
+msgid "sites"
+msgstr "llocs"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ckb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ckb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9ae5e760
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ckb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ckb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ckb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..aeaca57d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ckb/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# kosar tofiq <kosar.belana@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2023-04-24 18:05+0000\n"
+"Last-Translator: kosar tofiq <kosar.belana@gmail.com>, 2020\n"
+"Language-Team: Central Kurdish (http://www.transifex.com/django/django/"
+"language/ckb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ckb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "ماڵپەڕەکان"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "ناوی دۆمەین نابێت بۆشایی یان تابی تێدابێت."
+
+msgid "domain name"
+msgstr "ناوی دۆمەین"
+
+msgid "display name"
+msgstr "ناوی پیشاندان"
+
+msgid "site"
+msgstr "ماڵپەڕ"
+
+msgid "sites"
+msgstr "ماڵپەڕەکان"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cs/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cs/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..26ea6918
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cs/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cs/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cs/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3fb2c3a0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cs/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vláďa Macek <macek@sandbox.cz>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Czech (http://www.transifex.com/django/django/language/cs/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n >= 2 && n "
+"<= 4 && n % 1 == 0) ? 1: (n % 1 != 0 ) ? 2 : 3;\n"
+
+msgid "Sites"
+msgstr "Weby"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Název domény nemůže obsahovat mezery ani tabulátory."
+
+msgid "domain name"
+msgstr "název domény"
+
+msgid "display name"
+msgstr "zobrazený název"
+
+msgid "site"
+msgstr "web"
+
+msgid "sites"
+msgstr "weby"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d4b4ecd5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5e37db2e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/cy/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Maredudd ap Gwyndaf <maredudd@maredudd.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Maredudd ap Gwyndaf <maredudd@maredudd.com>\n"
+"Language-Team: Welsh (http://www.transifex.com/django/django/language/cy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cy\n"
+"Plural-Forms: nplurals=4; plural=(n==1) ? 0 : (n==2) ? 1 : (n != 8 && n != "
+"11) ? 2 : 3;\n"
+
+msgid "Sites"
+msgstr "Safleoedd"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Ni all yr enw parth gynnwys bylchau neu dabiau."
+
+msgid "domain name"
+msgstr "enw parth"
+
+msgid "display name"
+msgstr "enw arddangos"
+
+msgid "site"
+msgstr "safle"
+
+msgid "sites"
+msgstr "safleoedd"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/da/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/da/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2380ff3f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/da/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/da/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/da/LC_MESSAGES/django.po
new file mode 100644
index 00000000..76261197
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/da/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Erik Wognsen <r4mses@gmail.com>, 2013-2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Danish (http://www.transifex.com/django/django/language/da/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: da\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Websider"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domænenavnet må ikke indeholde mellemrum eller tabulatorer."
+
+msgid "domain name"
+msgstr "domænenavn"
+
+msgid "display name"
+msgstr "vist navn"
+
+msgid "site"
+msgstr "webside"
+
+msgid "sites"
+msgstr "websider"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/de/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/de/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..74e16850
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/de/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/de/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/de/LC_MESSAGES/django.po
new file mode 100644
index 00000000..60291240
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/de/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011,2013-2014,2016
+# Markus Holtermann <inyoka@markusholtermann.eu>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: German (http://www.transifex.com/django/django/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Websites"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Der Domainname darf keine Leerzeichen oder Tabs enthalten."
+
+msgid "domain name"
+msgstr "Domainname"
+
+msgid "display name"
+msgstr "Anzeigename"
+
+msgid "site"
+msgstr "Website"
+
+msgid "sites"
+msgstr "Websites"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/dsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/dsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8179a5c1
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/dsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/dsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/dsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b8706de2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/dsb/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 00:02+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Lower Sorbian (http://www.transifex.com/django/django/"
+"language/dsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: dsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Sites"
+msgstr "Sedła"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domenowe mě njamóžo prozne znamjenja abo tabulatory wopśimowaś."
+
+msgid "domain name"
+msgstr "domenowe mě"
+
+msgid "display name"
+msgstr "zwobraznjeńske mě"
+
+msgid "site"
+msgstr "sedło"
+
+msgid "sites"
+msgstr "sedła"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/el/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/el/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..10479c13
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/el/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/el/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/el/LC_MESSAGES/django.po
new file mode 100644
index 00000000..94d8e190
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/el/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nikolas Demiridis <nikolas@demiridis.gr>, 2014
+# Pãnoș <panos.laganakos@gmail.com>, 2014
+# Pãnoș <panos.laganakos@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Pãnoș <panos.laganakos@gmail.com>\n"
+"Language-Team: Greek (http://www.transifex.com/django/django/language/el/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: el\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Ιστότοποι"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Το όνομα τομέα δεν μπορεί να περιέχει κενά."
+
+msgid "domain name"
+msgstr "όνομα τομέα"
+
+msgid "display name"
+msgstr "εμφανιζόμενο όνομα"
+
+msgid "site"
+msgstr "ιστότοπος"
+
+msgid "sites"
+msgstr "ιστότοποι"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..08a7b685
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3b1884c4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2010-05-13 15:35+0200\n"
+"Last-Translator: Django team\n"
+"Language-Team: English <en@li.org>\n"
+"Language: en\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: contrib/sites/apps.py:11
+msgid "Sites"
+msgstr ""
+
+#: contrib/sites/models.py:30
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+#: contrib/sites/models.py:81
+msgid "domain name"
+msgstr ""
+
+#: contrib/sites/models.py:83
+msgid "display name"
+msgstr ""
+
+#: contrib/sites/models.py:88
+msgid "site"
+msgstr ""
+
+#: contrib/sites/models.py:89
+msgid "sites"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_AU/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_AU/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e6e4917e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_AU/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_AU/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_AU/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0659ec5f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_AU/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Tom Fifield <tom@tomfifield.net>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-04-11 13:15+0000\n"
+"Last-Translator: Tom Fifield <tom@tomfifield.net>\n"
+"Language-Team: English (Australia) (http://www.transifex.com/django/django/"
+"language/en_AU/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_AU\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sites"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "The domain name cannot contain any spaces or tabs."
+
+msgid "domain name"
+msgstr "domain name"
+
+msgid "display name"
+msgstr "display name"
+
+msgid "site"
+msgstr "site"
+
+msgid "sites"
+msgstr "sites"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_GB/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_GB/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..772da825
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_GB/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_GB/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_GB/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b212e349
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/en_GB/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ross Poulton <ross@rossp.org>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: English (United Kingdom) (http://www.transifex.com/django/"
+"django/language/en_GB/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: en_GB\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "domain name"
+
+msgid "display name"
+msgstr "display name"
+
+msgid "site"
+msgstr "site"
+
+msgid "sites"
+msgstr "sites"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eo/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eo/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..23a47003
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eo/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eo/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eo/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a65e597f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eo/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Baptiste Darthenay <baptiste+transifex@darthenay.fr>, 2013
+# Baptiste Darthenay <baptiste+transifex@darthenay.fr>, 2014
+# kristjan <kristjan.schmidt@googlemail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Esperanto (http://www.transifex.com/django/django/language/"
+"eo/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eo\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Retejoj"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Tiu domajna nomo ne povas enteni nek spacojn nek tabojn."
+
+msgid "domain name"
+msgstr "domajna nomo"
+
+msgid "display name"
+msgstr "vidiga nomo"
+
+msgid "site"
+msgstr "retejo"
+
+msgid "sites"
+msgstr "retejoj"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8e3f12b8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es/LC_MESSAGES/django.po
new file mode 100644
index 00000000..89fbdbc8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# abraham.martin <abraham.martin@gmail.com>, 2014
+# Antoni Aloy <aaloy@apsl.net>, 2013
+# Ernesto Avilés Vázquez <whippiii@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (http://www.transifex.com/django/django/language/"
+"es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sitios"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "El nombre de dominio no puede contener espacios ni tabulaciones"
+
+msgid "domain name"
+msgstr "nombre de dominio"
+
+msgid "display name"
+msgstr "nombre a mostrar"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "sites"
+msgstr "sitios"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_AR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_AR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cc883045
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_AR/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_AR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_AR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2ea43071
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_AR/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ramiro Morales, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Ramiro Morales\n"
+"Language-Team: Spanish (Argentina) (http://www.transifex.com/django/django/"
+"language/es_AR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_AR\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sitios"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+"El nombre de dominio no puede incluir espacios ni marcas de tabulación."
+
+msgid "domain name"
+msgstr "nombre de dominio"
+
+msgid "display name"
+msgstr "nombre para visualizar"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "sites"
+msgstr "sitios"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_CO/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_CO/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1fff5d9b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_CO/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_CO/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_CO/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9344265c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_CO/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Carlos Muñoz <cmuozdiaz@outlook.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 21:51+0000\n"
+"Last-Translator: Carlos Muñoz <cmuozdiaz@outlook.com>\n"
+"Language-Team: Spanish (Colombia) (http://www.transifex.com/django/django/"
+"language/es_CO/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_CO\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sitios"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "El nombre de dominio no puede contener espacios y/o tabulaciones"
+
+msgid "domain name"
+msgstr "nombre de dominio"
+
+msgid "display name"
+msgstr "nombre a mostrar"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "sites"
+msgstr "sitios"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_MX/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_MX/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..02a2e534
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_MX/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_MX/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_MX/LC_MESSAGES/django.po
new file mode 100644
index 00000000..29d44015
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_MX/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abraham Estrada, 2011
+# Carlos  Castro <carmoicast@gmail.com>, 2011
+# zodman <zodman@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: zodman <zodman@gmail.com>\n"
+"Language-Team: Spanish (Mexico) (http://www.transifex.com/django/django/"
+"language/es_MX/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_MX\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sitios"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "El nombre de dominio no puede contener espacios o tabulaciones."
+
+msgid "domain name"
+msgstr "nombre del dominio"
+
+msgid "display name"
+msgstr "nombre visible"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "sites"
+msgstr "sitios"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_VE/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_VE/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..32f6e8fd
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_VE/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_VE/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a6b74fae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/es_VE/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Spanish (Venezuela) (http://www.transifex.com/projects/p/"
+"django/language/es_VE/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es_VE\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr ""
+
+msgid "display name"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "sites"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/et/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/et/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3e3e38ac
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/et/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/et/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/et/LC_MESSAGES/django.po
new file mode 100644
index 00000000..91ef8f3c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/et/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Janno Liivak <jannolii@gmail.com>, 2013
+# Marti Raudsepp <marti@juffo.org>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Estonian (http://www.transifex.com/django/django/language/"
+"et/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: et\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Saidid"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domeeni nimes ei tohi olla ei tühikuid ega tabeldusmärke."
+
+msgid "domain name"
+msgstr "domeeninimi"
+
+msgid "display name"
+msgstr "hüüdnimi"
+
+msgid "site"
+msgstr "sait"
+
+msgid "sites"
+msgstr "saidid"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..ca7a350a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d7d41385
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/eu/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ander Martínez <ander.basaundi@gmail.com>, 2013
+# Eneko Illarramendi <eneko@illarra.com>, 2017
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Eneko Illarramendi <eneko@illarra.com>\n"
+"Language-Team: Basque (http://www.transifex.com/django/django/language/eu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: eu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Webguneak"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domeinu izenak ezin du zuriunerik edo tabuladorerik eduki."
+
+msgid "domain name"
+msgstr "domeinu-izena"
+
+msgid "display name"
+msgstr "erakusteko izena"
+
+msgid "site"
+msgstr "webgunea"
+
+msgid "sites"
+msgstr "webguneak"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7bc004f3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ba914924
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fa/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mohammad Hossein Mojtahedi <Mhm5000@gmail.com>, 2013
+# Reza Mohammadi <reza@teeleh.ir>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Persian (http://www.transifex.com/django/django/language/"
+"fa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fa\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sites"
+msgstr "وب‌گاه‌ها"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "نام دامنه نمی‌تواند حاوی فاصله یا پرش -tab- باشد."
+
+msgid "domain name"
+msgstr "نام دامنه"
+
+msgid "display name"
+msgstr "نام نمایش داده شده"
+
+msgid "site"
+msgstr "وب‌گاه"
+
+msgid "sites"
+msgstr "وب‌گاه‌ها"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..65ba6a03
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..13c88cef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fi/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Aarni Koskela, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Aarni Koskela\n"
+"Language-Team: Finnish (http://www.transifex.com/django/django/language/"
+"fi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sivustot"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Verkkotunnus ei voi sisältää välilyöntejä tai sarkainmerkkejä."
+
+msgid "domain name"
+msgstr "verkkotunnus"
+
+msgid "display name"
+msgstr "näyttönimi"
+
+msgid "site"
+msgstr "sivusto"
+
+msgid "sites"
+msgstr "sivustot"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..54df18dd
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..26f86dc0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fr/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Claude Paroz <claude@2xlibre.net>, 2014
+# Claude Paroz <claude@2xlibre.net>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: French (http://www.transifex.com/django/django/language/fr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sites"
+msgstr "Sites"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Le nom de domaine ne peut pas contenir d'espace ni de tabulation."
+
+msgid "domain name"
+msgstr "nom de domaine"
+
+msgid "display name"
+msgstr "nom à afficher"
+
+msgid "site"
+msgstr "site"
+
+msgid "sites"
+msgstr "sites"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..489bbab4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..599ab98a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/fy/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Western Frisian (http://www.transifex.com/projects/p/django/"
+"language/fy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: fy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr ""
+
+msgid "display name"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "sites"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ga/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ga/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c15ebefd
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ga/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ga/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ga/LC_MESSAGES/django.po
new file mode 100644
index 00000000..095d08db
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ga/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Luke Blaney <transifex@lukeblaney.co.uk>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-06-22 21:46+0000\n"
+"Last-Translator: Luke Blaney <transifex@lukeblaney.co.uk>\n"
+"Language-Team: Irish (http://www.transifex.com/django/django/language/ga/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ga\n"
+"Plural-Forms: nplurals=5; plural=(n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : "
+"4);\n"
+
+msgid "Sites"
+msgstr "Suíomhanna"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "ainm fearainn"
+
+msgid "display name"
+msgstr "ainm taispeáinta"
+
+msgid "site"
+msgstr "suíomh"
+
+msgid "sites"
+msgstr "suíomhanna"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gd/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gd/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..726462c8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gd/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gd/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gd/LC_MESSAGES/django.po
new file mode 100644
index 00000000..64269187
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gd/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# GunChleoc, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-22 17:29+0000\n"
+"Last-Translator: GunChleoc\n"
+"Language-Team: Gaelic, Scottish (http://www.transifex.com/django/django/"
+"language/gd/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gd\n"
+"Plural-Forms: nplurals=4; plural=(n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : "
+"(n > 2 && n < 20) ? 2 : 3;\n"
+
+msgid "Sites"
+msgstr "Làraichean"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Chan fhaod beàrnan no tabaichean a bhith ann an ainm àrainne."
+
+msgid "domain name"
+msgstr "ainm àrainne"
+
+msgid "display name"
+msgstr "ainm taisbeanaidh"
+
+msgid "site"
+msgstr "làrach"
+
+msgid "sites"
+msgstr "làraichean"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a820edd4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ddf5436e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/gl/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Leandro Regueiro <leandro.regueiro@gmail.com>, 2013
+# X Bello <xbello@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2023-04-24 18:05+0000\n"
+"Last-Translator: X Bello <xbello@gmail.com>, 2023\n"
+"Language-Team: Galician (http://www.transifex.com/django/django/language/"
+"gl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: gl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sitios"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "O dominio non pode conter espazos nin tabulacións."
+
+msgid "domain name"
+msgstr "dominio"
+
+msgid "display name"
+msgstr "nome"
+
+msgid "site"
+msgstr "sitio"
+
+msgid "sites"
+msgstr "sitios"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/he/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/he/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3cdf5dc6
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/he/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/he/LC_MESSAGES/django.po
new file mode 100644
index 00000000..62de695f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/he/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Meir Kriheli <mkriheli@gmail.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hebrew (http://www.transifex.com/django/django/language/he/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: he\n"
+"Plural-Forms: nplurals=4; plural=(n == 1 && n % 1 == 0) ? 0 : (n == 2 && n % "
+"1 == 0) ? 1: (n % 10 == 0 && n % 1 == 0 && n > 10) ? 2 : 3;\n"
+
+msgid "Sites"
+msgstr "אתרים"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "שם המתחם אינו יכול להכיל רווחים או טאבים."
+
+msgid "domain name"
+msgstr "שם מתחם"
+
+msgid "display name"
+msgstr "שם לתצוגה"
+
+msgid "site"
+msgstr "אתר"
+
+msgid "sites"
+msgstr "אתרים"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..699024a0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..437c402c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hi/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Hindi (http://www.transifex.com/django/django/language/hi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hi\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "डोमेन नाम"
+
+msgid "display name"
+msgstr "प्रदर्शन नाम"
+
+msgid "site"
+msgstr "साइट"
+
+msgid "sites"
+msgstr "साइट"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..90773e6c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cd6a0dd9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hr/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mislav Cimperšak <mislav.cimpersak@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Mislav Cimperšak <mislav.cimpersak@gmail.com>\n"
+"Language-Team: Croatian (http://www.transifex.com/django/django/language/"
+"hr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hr\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+msgid "Sites"
+msgstr "Stranice"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Naziv domene ne može sadržavati razmake ili tabove."
+
+msgid "domain name"
+msgstr "ime domene"
+
+msgid "display name"
+msgstr "ime za prikaz"
+
+msgid "site"
+msgstr "stranica"
+
+msgid "sites"
+msgstr "stranice"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hsb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hsb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a6fc772a
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hsb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hsb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hsb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5ef2659f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hsb/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Michael Wolf <milupo@sorbzilla.de>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 00:02+0000\n"
+"Last-Translator: Michael Wolf <milupo@sorbzilla.de>\n"
+"Language-Team: Upper Sorbian (http://www.transifex.com/django/django/"
+"language/hsb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hsb\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Sites"
+msgstr "Sydła"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domenowe mjeno njemóže mjezoty abo tabulatory wobsahować."
+
+msgid "domain name"
+msgstr "domenowe mjeno"
+
+msgid "display name"
+msgstr "zwobraznjenske mjeno"
+
+msgid "site"
+msgstr "sydło"
+
+msgid "sites"
+msgstr "sydła"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hu/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hu/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bb2a102c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hu/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hu/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hu/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6a511f9f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hu/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# András Veres-Szentkirályi, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: János R (Hangya)\n"
+"Language-Team: Hungarian (http://www.transifex.com/django/django/language/"
+"hu/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hu\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Honlapok"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "A domainnév nem tartalmazhat szóközöket és tabulátorokat."
+
+msgid "domain name"
+msgstr "tartománynév"
+
+msgid "display name"
+msgstr "megjelenítendő név"
+
+msgid "site"
+msgstr "honlap"
+
+msgid "sites"
+msgstr "honlapok"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hy/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hy/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..17c2ef30
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hy/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hy/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hy/LC_MESSAGES/django.po
new file mode 100644
index 00000000..adede4dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/hy/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Սմբատ Պետրոսյան <smbatpetrosyan@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 21:51+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Armenian (http://www.transifex.com/django/django/language/"
+"hy/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: hy\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Կայքեր"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Տիրույթի անվանում դաշտը չի կարող պարունակել բացատներ կամ թաբեր"
+
+msgid "domain name"
+msgstr "Տիրույթի անվանում"
+
+msgid "display name"
+msgstr "Ցուցադրվող անունը"
+
+msgid "site"
+msgstr "կայք"
+
+msgid "sites"
+msgstr "կայքեր"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ia/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ia/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d1251a1e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ia/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ia/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ia/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b777ce6a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ia/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Martijn Dekker <mcdutchie@hotmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 21:51+0000\n"
+"Last-Translator: Martijn Dekker <mcdutchie@hotmail.com>\n"
+"Language-Team: Interlingua (http://www.transifex.com/django/django/language/"
+"ia/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ia\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sitos"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Le nomine de dominio non pote continer spatios o tabulationes."
+
+msgid "domain name"
+msgstr "nomine de dominio"
+
+msgid "display name"
+msgstr "nomine a monstrar"
+
+msgid "site"
+msgstr "sito"
+
+msgid "sites"
+msgstr "sitos"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/id/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/id/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b6b923b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/id/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/id/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/id/LC_MESSAGES/django.po
new file mode 100644
index 00000000..40228eda
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/id/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# M Asep Indrayana <me@drayanaindra.com>, 2015
+# rodin <romihardiyanto@gmail.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: rodin <romihardiyanto@gmail.com>\n"
+"Language-Team: Indonesian (http://www.transifex.com/django/django/language/"
+"id/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: id\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "Situs"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Nama domain tidak dapat mengandung karakter spasi atau tab."
+
+msgid "domain name"
+msgstr "nama domain"
+
+msgid "display name"
+msgstr "nama yang ditampilkan"
+
+msgid "site"
+msgstr "situs"
+
+msgid "sites"
+msgstr "situs"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/io/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/io/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e22612f2
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/io/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/io/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/io/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3669499b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/io/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Viko Bartero <inactive+tergrundo@transifex.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-20 01:58+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ido (http://www.transifex.com/django/django/language/io/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: io\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "La domeno nomo ne povas kontenar spaci, nek tab-signi."
+
+msgid "domain name"
+msgstr "domeno nomo"
+
+msgid "display name"
+msgstr "montrita nomo"
+
+msgid "site"
+msgstr "ret-situo"
+
+msgid "sites"
+msgstr "ret-situi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/is/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/is/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cbfa0fce
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/is/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/is/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/is/LC_MESSAGES/django.po
new file mode 100644
index 00000000..201b4c01
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/is/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thordur Sigurdsson <thordur@ja.is>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Thordur Sigurdsson <thordur@ja.is>\n"
+"Language-Team: Icelandic (http://www.transifex.com/django/django/language/"
+"is/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: is\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 != 1 || n % 100 == 11);\n"
+
+msgid "Sites"
+msgstr "Vefir"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Lénið má ekki innihalda bil eða dálkastafi (tab characters)."
+
+msgid "domain name"
+msgstr "lén"
+
+msgid "display name"
+msgstr "birtingarnafn"
+
+msgid "site"
+msgstr "vefur"
+
+msgid "sites"
+msgstr "vefir"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/it/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/it/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a370612f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/it/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/it/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/it/LC_MESSAGES/django.po
new file mode 100644
index 00000000..49adfaf9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/it/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marco Bonetti, 2014
+# Nicola Larosa <transifex@teknico.net>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Stefano Brentegani <sbrentegani@gmail.com>\n"
+"Language-Team: Italian (http://www.transifex.com/django/django/language/"
+"it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Siti"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Il nome di dominio non può contenere spazi né tab."
+
+msgid "domain name"
+msgstr "nome di dominio"
+
+msgid "display name"
+msgstr "nome visualizzato"
+
+msgid "site"
+msgstr "sito"
+
+msgid "sites"
+msgstr "siti"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ja/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ja/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6670c451
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ja/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ja/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ja/LC_MESSAGES/django.po
new file mode 100644
index 00000000..335a1d7d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ja/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Shinya Okano <tokibito@gmail.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Japanese (http://www.transifex.com/django/django/language/"
+"ja/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ja\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "サイト"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "ドメイン名にスペース、タブを含めることはできません。"
+
+msgid "domain name"
+msgstr "ドメイン名"
+
+msgid "display name"
+msgstr "表示名"
+
+msgid "site"
+msgstr "サイト"
+
+msgid "sites"
+msgstr "サイト"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ka/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ka/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..c7eb889d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ka/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ka/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ka/LC_MESSAGES/django.po
new file mode 100644
index 00000000..5d05019a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ka/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# André Bouatchidzé <a@anbz.net>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: André Bouatchidzé <a@anbz.net>\n"
+"Language-Team: Georgian (http://www.transifex.com/django/django/language/"
+"ka/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ka\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Sites"
+msgstr "საიტები"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "დომენის სახელი არ შეიძლება შეიცავდეს ჰარებს ან ტაბულაციებს."
+
+msgid "domain name"
+msgstr "დომენის სახელი"
+
+msgid "display name"
+msgstr "საჩვენებელი სახელი"
+
+msgid "site"
+msgstr "საიტი"
+
+msgid "sites"
+msgstr "საიტები"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kab/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kab/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..3571d0df
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kab/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kab/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kab/LC_MESSAGES/django.po
new file mode 100644
index 00000000..db4aa287
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kab/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-10-06 11:44+0000\n"
+"Last-Translator: Muḥend Belqasem <belkacem77@gmail.com>\n"
+"Language-Team: Kabyle (http://www.transifex.com/django/django/language/"
+"kab/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kab\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Ismal"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Isem n taɣult ur izmir ara ad yegber isekkilen ilmawen n tirigliwin."
+
+msgid "domain name"
+msgstr "isem n taɣult"
+
+msgid "display name"
+msgstr "mefffer isem"
+
+msgid "site"
+msgstr "asmel"
+
+msgid "sites"
+msgstr "ismal"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..edfaf6df
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..23c0f002
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kk/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Leo Trubach <leotrubach@gmail.com>, 2017
+# yun_man_ger <germanilyin@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Leo Trubach <leotrubach@gmail.com>\n"
+"Language-Team: Kazakh (http://www.transifex.com/django/django/language/kk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kk\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Sites"
+msgstr "Сайттар"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Домен атауының ішінде аралық және табуляция белілерге тыйым салынады"
+
+msgid "domain name"
+msgstr "домен атауы"
+
+msgid "display name"
+msgstr "бейнелеу атауы"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайттар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/km/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/km/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bb7aa008
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/km/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/km/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/km/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a039e771
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/km/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Khmer (http://www.transifex.com/django/django/language/km/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: km\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "ឈ្មោះដមែន"
+
+msgid "display name"
+msgstr "ឈ្មោះសំរាប់បង្ហាញ"
+
+msgid "site"
+msgstr "គេហទំព័រ"
+
+msgid "sites"
+msgstr "គេហទំព័រ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..0d414657
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..8ff543ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/kn/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Rohith PR, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-08-03 10:54+0000\n"
+"Last-Translator: Rohith PR\n"
+"Language-Team: Kannada (http://www.transifex.com/django/django/language/"
+"kn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: kn\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sites"
+msgstr "ತಾಣಗಳು"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "ಡೊಮೈನ್  ಹೆಸರು"
+
+msgid "display name"
+msgstr "ತೋರಿಸುವ ಹೆಸರು"
+
+msgid "site"
+msgstr "ತಾಣ"
+
+msgid "sites"
+msgstr "ತಾಣಗಳು"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ko/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ko/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e697676e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ko/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ko/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ko/LC_MESSAGES/django.po
new file mode 100644
index 00000000..de726db0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ko/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jiyoon, Ha <cryptography@konkuk.ac.kr>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Le Tartuffe <magno79@gmail.com>, 2014
+# Chr0m3 <chr0m3.kr@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jiyoon, Ha <cryptography@konkuk.ac.kr>\n"
+"Language-Team: Korean (http://www.transifex.com/django/django/language/ko/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ko\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "사이트"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "도메인 이름은 공백이나 탭을 포함 할 수 없습니다."
+
+msgid "domain name"
+msgstr "도메인 명"
+
+msgid "display name"
+msgstr "표시명"
+
+msgid "site"
+msgstr "사이트"
+
+msgid "sites"
+msgstr "사이트들"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ky/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ky/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7bb91641
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ky/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ky/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ky/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e38cf654
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ky/LC_MESSAGES/django.po
@@ -0,0 +1,34 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2020-05-23 06:09+0000\n"
+"Last-Translator: Soyuzbek Orozbek uulu <soyuzbek196.kg@gmail.com>\n"
+"Language-Team: Kyrgyz (http://www.transifex.com/django/django/language/ky/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ky\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "Сайттар"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "домен аты боштук жана секирик камтый албайт."
+
+msgid "domain name"
+msgstr "домен аты"
+
+msgid "display name"
+msgstr "көрүнүү аты"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайттар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5b7937f6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..9e43bb98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lb/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:12+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Luxembourgish (http://www.transifex.com/projects/p/django/"
+"language/lb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr ""
+
+msgid "display name"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "sites"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8cdaf71e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..afcb5ac6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lt/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kostas <tamosiunas@gmail.com>, 2011
+# Matas Dailyda <matas@dailyda.com>, 2015
+# Simonas Kazlauskas <simonas@kazlauskas.me>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Matas Dailyda <matas@dailyda.com>\n"
+"Language-Team: Lithuanian (http://www.transifex.com/django/django/language/"
+"lt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lt\n"
+"Plural-Forms: nplurals=4; plural=(n % 10 == 1 && (n % 100 > 19 || n % 100 < "
+"11) ? 0 : (n % 10 >= 2 && n % 10 <=9) && (n % 100 > 19 || n % 100 < 11) ? "
+"1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Sites"
+msgstr "Tinklalapiai"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domene negali būti tarpų ar tabuliavimo ženklų."
+
+msgid "domain name"
+msgstr "domeno vardas"
+
+msgid "display name"
+msgstr "rodomas vardas"
+
+msgid "site"
+msgstr "tinklalapis"
+
+msgid "sites"
+msgstr "tinklalapiai"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..a3ffa5f8
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..65fceb0b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/lv/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# edgars <edgars.jekabsons@gmail.com>, 2011
+# Jannis Leidel <jannis@leidel.info>, 2011
+# peterisb <pb@sungis.lv>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: peterisb <pb@sungis.lv>\n"
+"Language-Team: Latvian (http://www.transifex.com/django/django/language/"
+"lv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: lv\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+msgid "Sites"
+msgstr "Vietnes"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domēna nosaukumā nevar būt tukšumi vai tabulatori."
+
+msgid "domain name"
+msgstr "domēna vārds"
+
+msgid "display name"
+msgstr "attēlojamais vārds"
+
+msgid "site"
+msgstr "vietne"
+
+msgid "sites"
+msgstr "vietnes"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..15763b6b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ad7a47df
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mk/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Vasil Vangelovski <vvangelovski@gmail.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Macedonian (http://www.transifex.com/django/django/language/"
+"mk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mk\n"
+"Plural-Forms: nplurals=2; plural=(n % 10 == 1 && n % 100 != 11) ? 0 : 1;\n"
+
+msgid "Sites"
+msgstr "Сајтови"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Домејнот не може да содржи празни места и табови."
+
+msgid "domain name"
+msgstr "домејн"
+
+msgid "display name"
+msgstr "име за приказ"
+
+msgid "site"
+msgstr "сајт"
+
+msgid "sites"
+msgstr "сајтови"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ml/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ml/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..d1d7170c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ml/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ml/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ml/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3e702652
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ml/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Hrishikesh <hrishi.kb@gmail.com>, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-03-03 09:57+0000\n"
+"Last-Translator: Hrishikesh <hrishi.kb@gmail.com>\n"
+"Language-Team: Malayalam (http://www.transifex.com/django/django/language/"
+"ml/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ml\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "സൈറ്റുകൾ"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "ഡൊമൈനിന്റെ പേരിൽ സ്പെയ്സുകളോ ടാബുകളോ അനുവദനീയമല്ല."
+
+msgid "domain name"
+msgstr "ഡൊമൈനിന്റെ പേര്"
+
+msgid "display name"
+msgstr "കാഴ്ചയ്ക്കായുള്ള പേര്"
+
+msgid "site"
+msgstr "സൈറ്റ്"
+
+msgid "sites"
+msgstr "സൈറ്റുകള്‍"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6b1748bb
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mn/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..1ab16b7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mn/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bayarbat.U <bayarbat@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Zorig <zorig_ezd@yahoo.com>, 2014
+# Анхбаяр Анхаа <l.ankhbayar@gmail.com>, 2011,2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Bayarbat.U <bayarbat@gmail.com>\n"
+"Language-Team: Mongolian (http://www.transifex.com/django/django/language/"
+"mn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Вэб сайтууд"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Домэйн нэрэнд таб болон хоосон зай бичиж болохгүй."
+
+msgid "domain name"
+msgstr "домэйн нэр"
+
+msgid "display name"
+msgstr "харагдах нэр"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайтууд"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..40f14123
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3e041c14
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/mr/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Omkar Parab, 2024
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2024-01-24 18:05+0000\n"
+"Last-Translator: Omkar Parab, 2024\n"
+"Language-Team: Marathi (http://app.transifex.com/django/django/language/"
+"mr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: mr\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "स्थळे"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "डोमेन नावामध्ये कोणताही स्पेस किंवा टॅब असू शकत नाहीत."
+
+msgid "domain name"
+msgstr "डोमेनचे नाव"
+
+msgid "display name"
+msgstr "प्रदर्शन नाव"
+
+msgid "site"
+msgstr "स्थळ"
+
+msgid "sites"
+msgstr "स्थळे"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ms/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ms/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..57289a7f
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ms/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ms/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ms/LC_MESSAGES/django.po
new file mode 100644
index 00000000..250a2da1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ms/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jafry Hisham, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-11-16 12:40+0000\n"
+"Last-Translator: Jafry Hisham\n"
+"Language-Team: Malay (http://www.transifex.com/django/django/language/ms/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ms\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "Laman-laman"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Nama domain tidak boleh mengandungi ruang kosong atau tab."
+
+msgid "domain name"
+msgstr "nama domain"
+
+msgid "display name"
+msgstr "nama paparan"
+
+msgid "site"
+msgstr "laman"
+
+msgid "sites"
+msgstr "laman-laman"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/my/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/my/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e706a9d3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/my/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/my/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/my/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4d75d5ca
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/my/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Yhal Htet Aung <jumoun@gmail.com>, 2013,2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:50+0000\n"
+"Last-Translator: Yhal Htet Aung <jumoun@gmail.com>\n"
+"Language-Team: Burmese (http://www.transifex.com/django/django/language/"
+"my/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: my\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "ဆိုက်များ"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "ဒိုမိန်းနာမည်တွင်ကွက်လပ်(သို့)အမည်များမပါဝင်နိုင်။"
+
+msgid "domain name"
+msgstr "ဒိုမိန်းနာမည်"
+
+msgid "display name"
+msgstr "ပြသနာမည်"
+
+msgid "site"
+msgstr "ဆိုက်"
+
+msgid "sites"
+msgstr "ဆိုက်များ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nb/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nb/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b18fe64e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nb/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nb/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nb/LC_MESSAGES/django.po
new file mode 100644
index 00000000..281b5178
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nb/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Alexander Hansen <alexander.l.hansen@gmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jon <jon@kolonial.no>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Norwegian Bokmål (http://www.transifex.com/django/django/"
+"language/nb/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nb\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Nettsteder"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domenenavnet kan ikke inneholde mellomrom."
+
+msgid "domain name"
+msgstr "domenenavn"
+
+msgid "display name"
+msgstr "visningsnavn"
+
+msgid "site"
+msgstr "nettsted"
+
+msgid "sites"
+msgstr "nettsteder"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ne/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ne/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8ece467e
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ne/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ne/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ne/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c0d04d14
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ne/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Sagar Chalise <chalisesagar@gmail.com>, 2011
+# Santosh Purbey <purbey.santosh@hotmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2020-01-21 09:32+0000\n"
+"Last-Translator: Santosh Purbey <purbey.santosh@hotmail.com>\n"
+"Language-Team: Nepali (http://www.transifex.com/django/django/language/ne/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ne\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "साइटहरु"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "डोमेनमा खाली ठाउँहरु हुनु हुँदैन ।"
+
+msgid "domain name"
+msgstr "डोमेनको नाम"
+
+msgid "display name"
+msgstr "देखिने नाम"
+
+msgid "site"
+msgstr "साईट"
+
+msgid "sites"
+msgstr "साईटहरू"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1f623846
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..073ed78e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nl/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Bouke Haarsma <bouke@haarsma.eu>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sander Steffann <inactive+steffann@transifex.com>, 2015
+# Tonnes <tonnes.mb@gmail.com>, 2019
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-02-24 16:01+0000\n"
+"Last-Translator: Tonnes <tonnes.mb@gmail.com>\n"
+"Language-Team: Dutch (http://www.transifex.com/django/django/language/nl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nl\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Websites"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "De domeinnaam mag geen spaties of tabs bevatten."
+
+msgid "domain name"
+msgstr "domeinnaam"
+
+msgid "display name"
+msgstr "weergavenaam"
+
+msgid "site"
+msgstr "website"
+
+msgid "sites"
+msgstr "websites"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9f444592
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..22e6ec6d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/nn/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Sivert Olstad, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2021-11-11 00:23+0000\n"
+"Last-Translator: Sivert Olstad\n"
+"Language-Team: Norwegian Nynorsk (http://www.transifex.com/django/django/"
+"language/nn/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: nn\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Nettstader"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domenenamnet kan ikkje innehalde mellomrom."
+
+msgid "domain name"
+msgstr "domenenamn"
+
+msgid "display name"
+msgstr "visingsnamn"
+
+msgid "site"
+msgstr "nettstad"
+
+msgid "sites"
+msgstr "nettstader"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/os/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/os/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..6dbbccd6
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/os/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/os/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f0bcd2a8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/os/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Soslan Khubulov <inactive+soslan@transifex.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:58+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Ossetic (http://www.transifex.com/django/django/language/"
+"os/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: os\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Домены номы ма хъуамӕ уой табтӕ ӕмӕ хъӕнтӕ."
+
+msgid "domain name"
+msgstr "домены ном"
+
+msgid "display name"
+msgstr "ӕвдисгӕ ном"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайттӕ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pa/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pa/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..2d6701ff
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pa/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pa/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pa/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0d685d42
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pa/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Panjabi (Punjabi) (http://www.transifex.com/django/django/"
+"language/pa/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pa\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "ਡੋਮੇਨ ਨਾਂ"
+
+msgid "display name"
+msgstr "ਵੇਖਾਉਣ ਲਈ ਨਾਂ"
+
+msgid "site"
+msgstr "ਸਾਈਟ"
+
+msgid "sites"
+msgstr "ਸਾਈਟਾਂ"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b0339c9d
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ca0cdf35
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pl/LC_MESSAGES/django.po
@@ -0,0 +1,40 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# angularcircle, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Mattia Procopio <promat85@gmail.com>, 2014
+# Tomasz Kajtoch <tomekkaj@tomekkaj.pl>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Tomasz Kajtoch <tomekkaj@tomekkaj.pl>\n"
+"Language-Team: Polish (http://www.transifex.com/django/django/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=4; plural=(n==1 ? 0 : (n%10>=2 && n%10<=4) && (n"
+"%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n"
+"%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
+
+msgid "Sites"
+msgstr "Strony"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Nazwa domeny nie może zawierać spacji ani tabulatorów."
+
+msgid "domain name"
+msgstr "nazwa domeny"
+
+msgid "display name"
+msgstr "nazwa wyświetlana"
+
+msgid "site"
+msgstr "strona"
+
+msgid "sites"
+msgstr "strony"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..5d885d18
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..ba716ae0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Nuno Mariz <nmariz@gmail.com>, 2013
+# Raúl Pedro Fernandes Santos, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Portuguese (http://www.transifex.com/django/django/language/"
+"pt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sites"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "O nome do domínio não pode conter espaços ou tabulações."
+
+msgid "domain name"
+msgstr "nome do domínio"
+
+msgid "display name"
+msgstr "mostrar nome"
+
+msgid "site"
+msgstr "site"
+
+msgid "sites"
+msgstr "sites"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt_BR/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt_BR/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..81c63003
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt_BR/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt_BR/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e1460265
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/pt_BR/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Allisson Azevedo <allisson@gmail.com>, 2014
+# Eduardo Cereto Carvalho, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: andrewsmedina <andrewsmedina@gmail.com>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/django/django/"
+"language/pt_BR/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pt_BR\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sites"
+msgstr "Sites"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "O nome do domínio não pode conter espaços ou tabulações."
+
+msgid "domain name"
+msgstr "nome do domínio"
+
+msgid "display name"
+msgstr "nome para exibição"
+
+msgid "site"
+msgstr "site"
+
+msgid "sites"
+msgstr "sites"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ro/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ro/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..7ebbf592
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ro/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ro/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d5579e3f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ro/LC_MESSAGES/django.po
@@ -0,0 +1,40 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Daniel Ursache-Dogariu, 2011
+# Denis Darii <denis.darii@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Razvan Stefanescu <razvan.stefanescu@gmail.com>, 2015
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Razvan Stefanescu <razvan.stefanescu@gmail.com>\n"
+"Language-Team: Romanian (http://www.transifex.com/django/django/language/"
+"ro/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ro\n"
+"Plural-Forms: nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?"
+"2:1));\n"
+
+msgid "Sites"
+msgstr "Pagini web"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Numele de domeniu nu poate conține spații sau tab-uri."
+
+msgid "domain name"
+msgstr "nume domeniu"
+
+msgid "display name"
+msgstr "nume afișat"
+
+msgid "site"
+msgstr "pagină web"
+
+msgid "sites"
+msgstr "pagini web"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ru/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ru/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cd6daf44
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ru/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ru/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ru/LC_MESSAGES/django.po
new file mode 100644
index 00000000..353ed76c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ru/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Eugene MechanisM <eugene@mechanism.pro>, 2013
+# Eugene MechanisM <eugene@mechanism.pro>, 2016
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Алексей Борискин <sun.void@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Eugene MechanisM <eugene@mechanism.pro>\n"
+"Language-Team: Russian (http://www.transifex.com/django/django/language/"
+"ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+
+msgid "Sites"
+msgstr "Сайты"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Доменное имя не может содержать пробелы или табуляцию."
+
+msgid "domain name"
+msgstr "доменное имя"
+
+msgid "display name"
+msgstr "отображаемое имя"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайты"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..fbcf69a0
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..0f48ec98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sk/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Marian Andre <marian@andre.sk>, 2013
+# Martin Tóth <ezimir@gmail.com>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Martin Tóth <ezimir@gmail.com>\n"
+"Language-Team: Slovak (http://www.transifex.com/django/django/language/sk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n == 1 ? 0 : n % 1 == 0 && n "
+">= 2 && n <= 4 ? 1 : n % 1 != 0 ? 2: 3);\n"
+
+msgid "Sites"
+msgstr "Sídla"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Názov domény nemôže obsahovať medzery alebo tabulátory."
+
+msgid "domain name"
+msgstr "názov domény"
+
+msgid "display name"
+msgstr "zobrazené meno"
+
+msgid "site"
+msgstr "sídlo"
+
+msgid "sites"
+msgstr "sídla"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sl/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sl/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..77d008fc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sl/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sl/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sl/LC_MESSAGES/django.po
new file mode 100644
index 00000000..7a69572b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sl/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Primož Verdnik <primoz.verdnik@gmail.com>, 2017
+# zejn <zejn@kiberpipa.org>, 2013,2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Primož Verdnik <primoz.verdnik@gmail.com>\n"
+"Language-Team: Slovenian (http://www.transifex.com/django/django/language/"
+"sl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sl\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+msgid "Sites"
+msgstr "Strani"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domena ne sme vsebovati presledkov ali tabulatorjev."
+
+msgid "domain name"
+msgstr "ime domene"
+
+msgid "display name"
+msgstr "prikazano ime"
+
+msgid "site"
+msgstr "stran"
+
+msgid "sites"
+msgstr "strani"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sq/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sq/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..cbd1a6a6
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sq/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sq/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3ce98307
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sq/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Besnik <besnik@programeshqip.org>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-11-29 23:00+0000\n"
+"Last-Translator: Besnik <besnik@programeshqip.org>\n"
+"Language-Team: Albanian (http://www.transifex.com/django/django/language/"
+"sq/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sq\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sajte"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Emri i përkatësisë s’mund të përmbajë hapësira ose tabulacione."
+
+msgid "domain name"
+msgstr "emër përkatësie"
+
+msgid "display name"
+msgstr "emër shfaqjeje"
+
+msgid "site"
+msgstr "sajt"
+
+msgid "sites"
+msgstr "sajte"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8ac57bb4
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..47e2e657
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Branko Kokanovic <branko@kokanovic.org>, 2018
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-01-30 10:13+0000\n"
+"Last-Translator: Branko Kokanovic <branko@kokanovic.org>\n"
+"Language-Team: Serbian (http://www.transifex.com/django/django/language/"
+"sr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Sites"
+msgstr "Сајтови"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Име домена не може да садржи размаке ни табове."
+
+msgid "domain name"
+msgstr "име домена"
+
+msgid "display name"
+msgstr "приказано име"
+
+msgid "site"
+msgstr "сајт"
+
+msgid "sites"
+msgstr "сајтови"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr_Latn/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr_Latn/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..deabe45b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr_Latn/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr_Latn/LC_MESSAGES/django.po
new file mode 100644
index 00000000..03d3db0e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sr_Latn/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Igor Jerosimić, 2019
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2019-06-27 12:41+0000\n"
+"Last-Translator: Igor Jerosimić\n"
+"Language-Team: Serbian (Latin) (http://www.transifex.com/django/django/"
+"language/sr@latin/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sr@latin\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+msgid "Sites"
+msgstr "Sajtovi"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Ime domena ne može da sadrži razmake ni tabove."
+
+msgid "domain name"
+msgstr "ime domena"
+
+msgid "display name"
+msgstr "prikazano ime"
+
+msgid "site"
+msgstr "sajt"
+
+msgid "sites"
+msgstr "sajtovi"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sv/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sv/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9b090216
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sv/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sv/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sv/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d727d90e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sv/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Anders Hovmöller <boxed@killingar.net>, 2023
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Jonathan Lindén, 2014
+# Thomas Lundqvist, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2023-04-24 18:05+0000\n"
+"Last-Translator: Anders Hovmöller <boxed@killingar.net>, 2023\n"
+"Language-Team: Swedish (http://www.transifex.com/django/django/language/"
+"sv/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sv\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Webbplatser"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domännamnet kan inte innehålla mellanslag eller tab."
+
+msgid "domain name"
+msgstr "domännamn"
+
+msgid "display name"
+msgstr "visningsnamn"
+
+msgid "site"
+msgstr "webbplats"
+
+msgid "sites"
+msgstr "webbplatser"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sw/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sw/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..1447715c
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sw/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sw/LC_MESSAGES/django.po
new file mode 100644
index 00000000..c3206e96
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/sw/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Machaku <bmachaku@gmail.com>, 2013-2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Swahili (http://www.transifex.com/django/django/language/"
+"sw/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: sw\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Tovuti"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Jina la kikoa haliwezi kuwa na nafasi yeyote kati yake."
+
+msgid "domain name"
+msgstr "jina la kikoa"
+
+msgid "display name"
+msgstr "jina"
+
+msgid "site"
+msgstr "tovuti"
+
+msgid "sites"
+msgstr "tovuti"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ta/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ta/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9cdaa1e6
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ta/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ta/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ta/LC_MESSAGES/django.po
new file mode 100644
index 00000000..883c04a3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ta/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tamil (http://www.transifex.com/django/django/language/ta/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ta\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "களப் பெயர்"
+
+msgid "display name"
+msgstr "காட்டும்  பெயர்"
+
+msgid "site"
+msgstr "வலைத்தளம்"
+
+msgid "sites"
+msgstr "வலைத்தளங்கள்"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/te/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/te/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..9be611df
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/te/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/te/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/te/LC_MESSAGES/django.po
new file mode 100644
index 00000000..3598aa63
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/te/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Telugu (http://www.transifex.com/django/django/language/te/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: te\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "డొమైన్ నామము"
+
+msgid "display name"
+msgstr "కనిపిచ్చే పేరు"
+
+msgid "site"
+msgstr "సైట్"
+
+msgid "sites"
+msgstr "సైట్లు"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tg/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tg/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..e557293a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tg/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tg/LC_MESSAGES/django.po
new file mode 100644
index 00000000..cc7f86ec
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tg/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Surush Sufiew <siriusproger@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2020-05-15 00:35+0000\n"
+"Last-Translator: Surush Sufiew <siriusproger@gmail.com>\n"
+"Language-Team: Tajik (http://www.transifex.com/django/django/language/tg/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tg\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Сомонаҳо"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Номи домен наметавонад аз фосилаҳо ва табулятсия иборат бошад."
+
+msgid "domain name"
+msgstr "номи доменӣ"
+
+msgid "display name"
+msgstr "номи инъикосшуда"
+
+msgid "site"
+msgstr "сомона"
+
+msgid "sites"
+msgstr "сомонаҳо"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/th/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/th/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..bd461b66
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/th/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/th/LC_MESSAGES/django.po
new file mode 100644
index 00000000..89df6a6d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/th/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Kowit Charoenratchatabhan <kowit.s.c@gmail.com>, 2013,2018
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2018-05-06 08:37+0000\n"
+"Last-Translator: Kowit Charoenratchatabhan <kowit.s.c@gmail.com>\n"
+"Language-Team: Thai (http://www.transifex.com/django/django/language/th/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: th\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "ไซต์"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "ชื่อโดนเมนต้องไม่ไม่ช่องว่างหรือแท็บ"
+
+msgid "domain name"
+msgstr "ชื่อโดเมน"
+
+msgid "display name"
+msgstr "ชื่อที่แสดง"
+
+msgid "site"
+msgstr "ไซต์"
+
+msgid "sites"
+msgstr "ไซต์"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..854a9028
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..a54affa5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tk/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Resulkary <resulsaparov@gmail.com>, 2020
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2020-07-06 11:50+0000\n"
+"Last-Translator: Resulkary <resulsaparov@gmail.com>\n"
+"Language-Team: Turkmen (http://www.transifex.com/django/django/language/"
+"tk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tk\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "Sahypalar"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domen adynda boşluklar ýa-da goýmalar bolup bilmez."
+
+msgid "domain name"
+msgstr "domen ady"
+
+msgid "display name"
+msgstr "görkezilýän ady"
+
+msgid "site"
+msgstr "sahypa"
+
+msgid "sites"
+msgstr "sahypalar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tr/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tr/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..b0778139
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tr/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tr/LC_MESSAGES/django.po
new file mode 100644
index 00000000..2372c146
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tr/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Ahmet Emre Aladağ <emre.aladag@isik.edu.tr>, 2014
+# BouRock, 2014
+# Caner Başaran <basaran.caner@protonmail.com>, 2013
+# Jannis Leidel <jannis@leidel.info>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Turkish (http://www.transifex.com/django/django/language/"
+"tr/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tr\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "Sites"
+msgstr "Siteler"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Etki alanı adı, herhangi bir boşluk ya da sekme içeremez."
+
+msgid "domain name"
+msgstr "etki alanı adı"
+
+msgid "display name"
+msgstr "görünen isim"
+
+msgid "site"
+msgstr "site"
+
+msgid "sites"
+msgstr "siteler"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tt/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tt/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..384d79a9
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tt/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tt/LC_MESSAGES/django.po
new file mode 100644
index 00000000..519ece30
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/tt/LC_MESSAGES/django.po
@@ -0,0 +1,36 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Azat Khasanshin <lordofbazuks@gmail.com>, 2011
+# v_ildar <v_ildar@bk.ru>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Tatar (http://www.transifex.com/django/django/language/tt/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: tt\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "Сайтлар"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "домен исеме"
+
+msgid "display name"
+msgstr "чагылдырылган исем"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайтлар"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/udm/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/udm/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..af7ab53b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/udm/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/udm/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/udm/LC_MESSAGES/django.po
new file mode 100644
index 00000000..26b17e7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/udm/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2014-10-05 20:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Udmurt (http://www.transifex.com/projects/p/django/language/"
+"udm/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: udm\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr ""
+
+msgid "display name"
+msgstr ""
+
+msgid "site"
+msgstr ""
+
+msgid "sites"
+msgstr ""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ug/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ug/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..993ca822
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ug/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ug/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ug/LC_MESSAGES/django.po
new file mode 100644
index 00000000..e5b00f85
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ug/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Abduqadir Abliz <sahranbay@gmail.com>, 2023
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2023-12-04 18:05+0000\n"
+"Last-Translator: Abduqadir Abliz <sahranbay@gmail.com>, 2023\n"
+"Language-Team: Uyghur (http://app.transifex.com/django/django/language/ug/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ug\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr "بېكەتلەر"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "دائىرە نامى ھەر قانداق بوشلۇق ياكى tab بوشلۇقنى ئۆز ئىچىگە ئالمايدۇ."
+
+msgid "domain name"
+msgstr "دائىرە ئاتى"
+
+msgid "display name"
+msgstr "كۆرسىتىش ئاتى"
+
+msgid "site"
+msgstr "بېكەت"
+
+msgid "sites"
+msgstr "بېكەتلەر"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uk/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uk/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..8ffb1b94
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uk/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uk/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uk/LC_MESSAGES/django.po
new file mode 100644
index 00000000..f98454c9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uk/LC_MESSAGES/django.po
@@ -0,0 +1,41 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Oleksandr Chernihov <o.chernihov@gmail.com>, 2014
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Alex Bolotov <oleksandr.bolotov@gmail.com>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Mykola Zamkovoi <nickzam@gmail.com>\n"
+"Language-Team: Ukrainian (http://www.transifex.com/django/django/language/"
+"uk/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uk\n"
+"Plural-Forms: nplurals=4; plural=(n % 1 == 0 && n % 10 == 1 && n % 100 != "
+"11 ? 0 : n % 1 == 0 && n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % "
+"100 > 14) ? 1 : n % 1 == 0 && (n % 10 ==0 || (n % 10 >=5 && n % 10 <=9) || "
+"(n % 100 >=11 && n % 100 <=14 )) ? 2: 3);\n"
+
+msgid "Sites"
+msgstr "Сайти"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Доменне ім'я не може містити пробіли або символи табуляції."
+
+msgid "domain name"
+msgstr "доменне ім'я"
+
+msgid "display name"
+msgstr "відображуване ім'я"
+
+msgid "site"
+msgstr "сайт"
+
+msgid "sites"
+msgstr "сайти"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ur/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ur/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..733aebd7
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ur/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ur/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ur/LC_MESSAGES/django.po
new file mode 100644
index 00000000..b16ddb24
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/ur/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Mansoorulhaq Mansoor <mnsrknp@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Urdu (http://www.transifex.com/django/django/language/ur/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ur\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr ""
+
+msgid "domain name"
+msgstr "ڈومین کا نام"
+
+msgid "display name"
+msgstr "ظاھر ھونے والا نام"
+
+msgid "site"
+msgstr "سائٹ"
+
+msgid "sites"
+msgstr "سائٹس"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uz/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uz/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f1c68e32
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uz/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uz/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uz/LC_MESSAGES/django.po
new file mode 100644
index 00000000..4f26906e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/uz/LC_MESSAGES/django.po
@@ -0,0 +1,35 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Nuruddin Iminokhunov <nuruddin.iminohunov@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 01:18+0000\n"
+"Last-Translator: Nuruddin Iminokhunov <nuruddin.iminohunov@gmail.com>\n"
+"Language-Team: Uzbek (http://www.transifex.com/django/django/language/uz/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: uz\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "Saytlar"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Domen ismi tab`lar va bo'shliqlarsiz bo'lishi kerak"
+
+msgid "domain name"
+msgstr "domen nomi"
+
+msgid "display name"
+msgstr "ko'rsatiladigan ismi"
+
+msgid "site"
+msgstr "sayt"
+
+msgid "sites"
+msgstr "saytlar"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/vi/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/vi/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..36fa0755
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/vi/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/vi/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/vi/LC_MESSAGES/django.po
new file mode 100644
index 00000000..6f7d6a01
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/vi/LC_MESSAGES/django.po
@@ -0,0 +1,38 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Thanh Le Viet <lethanhx2k@gmail.com>, 2013
+# Tran <hongdiepkien@gmail.com>, 2011
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-23 18:54+0000\n"
+"Last-Translator: Tran Van <vantxm@yahoo.co.uk>\n"
+"Language-Team: Vietnamese (http://www.transifex.com/django/django/language/"
+"vi/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: vi\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr ""
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "Tên miền không gồm kí tự trống hoặc tab"
+
+msgid "domain name"
+msgstr "Tên miền"
+
+msgid "display name"
+msgstr "Tên hiển thị"
+
+msgid "site"
+msgstr "trang web"
+
+msgid "sites"
+msgstr "các trang web"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hans/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hans/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..028280ce
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hans/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hans/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hans/LC_MESSAGES/django.po
new file mode 100644
index 00000000..82f53fae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,37 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2011
+# Ronald White <ouyanghongyu@gmail.com>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/django/django/"
+"language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "站点"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "域名不能包含任何空格或制表符。"
+
+msgid "domain name"
+msgstr "域名"
+
+msgid "display name"
+msgstr "显示名称"
+
+msgid "site"
+msgstr "站点"
+
+msgid "sites"
+msgstr "站点"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hant/LC_MESSAGES/django.mo b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hant/LC_MESSAGES/django.mo
new file mode 100644
index 00000000..f1c3d67b
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hant/LC_MESSAGES/django.mo differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hant/LC_MESSAGES/django.po b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hant/LC_MESSAGES/django.po
new file mode 100644
index 00000000..d1a5583f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/locale/zh_Hant/LC_MESSAGES/django.po
@@ -0,0 +1,39 @@
+# This file is distributed under the same license as the Django package.
+#
+# Translators:
+# Chen Chun-Chia <ccc.larc@gmail.com>, 2015
+# Jannis Leidel <jannis@leidel.info>, 2011
+# mail6543210 <mail6543210@yahoo.com.tw>, 2013
+# Tzu-ping Chung <uranusjr@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: django\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-17 11:07+0100\n"
+"PO-Revision-Date: 2017-09-19 16:40+0000\n"
+"Last-Translator: Tzu-ping Chung <uranusjr@gmail.com>\n"
+"Language-Team: Chinese (Taiwan) (http://www.transifex.com/django/django/"
+"language/zh_TW/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_TW\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+msgid "Sites"
+msgstr "網站"
+
+msgid "The domain name cannot contain any spaces or tabs."
+msgstr "網域名稱不能包含空格或定位字元。"
+
+msgid "domain name"
+msgstr "網域名稱"
+
+msgid "display name"
+msgstr "顯示名稱"
+
+msgid "site"
+msgstr "網站"
+
+msgid "sites"
+msgstr "網站"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/management.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/management.py
new file mode 100644
index 00000000..dd75bc1b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/management.py
@@ -0,0 +1,47 @@
+"""
+Creates the default Site object.
+"""
+
+from django.apps import apps as global_apps
+from django.conf import settings
+from django.core.management.color import no_style
+from django.db import DEFAULT_DB_ALIAS, connections, router
+
+
+def create_default_site(
+    app_config,
+    verbosity=2,
+    interactive=True,
+    using=DEFAULT_DB_ALIAS,
+    apps=global_apps,
+    **kwargs,
+):
+    try:
+        Site = apps.get_model("sites", "Site")
+    except LookupError:
+        return
+
+    if not router.allow_migrate_model(using, Site):
+        return
+
+    if not Site.objects.using(using).exists():
+        # The default settings set SITE_ID = 1, and some tests in Django's test
+        # suite rely on this value. However, if database sequences are reused
+        # (e.g. in the test suite after flush/syncdb), it isn't guaranteed that
+        # the next id will be 1, so we coerce it. See #15573 and #16353. This
+        # can also crop up outside of tests - see #15346.
+        if verbosity >= 2:
+            print("Creating example.com Site object")
+        Site(
+            pk=getattr(settings, "SITE_ID", 1), domain="example.com", name="example.com"
+        ).save(using=using)
+
+        # We set an explicit pk instead of relying on auto-incrementation,
+        # so we need to reset the database sequence. See #17415.
+        sequence_sql = connections[using].ops.sequence_reset_sql(no_style(), [Site])
+        if sequence_sql:
+            if verbosity >= 2:
+                print("Resetting sequence")
+            with connections[using].cursor() as cursor:
+                for command in sequence_sql:
+                    cursor.execute(command)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/managers.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/managers.py
new file mode 100644
index 00000000..ec288265
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/managers.py
@@ -0,0 +1,65 @@
+from django.conf import settings
+from django.core import checks
+from django.core.exceptions import FieldDoesNotExist
+from django.db import models
+
+
+class CurrentSiteManager(models.Manager):
+    "Use this to limit objects to those associated with the current site."
+
+    use_in_migrations = True
+
+    def __init__(self, field_name=None):
+        super().__init__()
+        self.__field_name = field_name
+
+    def check(self, **kwargs):
+        errors = super().check(**kwargs)
+        errors.extend(self._check_field_name())
+        return errors
+
+    def _check_field_name(self):
+        field_name = self._get_field_name()
+        try:
+            field = self.model._meta.get_field(field_name)
+        except FieldDoesNotExist:
+            return [
+                checks.Error(
+                    "CurrentSiteManager could not find a field named '%s'."
+                    % field_name,
+                    obj=self,
+                    id="sites.E001",
+                )
+            ]
+
+        if not field.many_to_many and not isinstance(field, (models.ForeignKey)):
+            return [
+                checks.Error(
+                    "CurrentSiteManager cannot use '%s.%s' as it is not a foreign key "
+                    "or a many-to-many field."
+                    % (self.model._meta.object_name, field_name),
+                    obj=self,
+                    id="sites.E002",
+                )
+            ]
+
+        return []
+
+    def _get_field_name(self):
+        """Return self.__field_name or 'site' or 'sites'."""
+
+        if not self.__field_name:
+            try:
+                self.model._meta.get_field("site")
+            except FieldDoesNotExist:
+                self.__field_name = "sites"
+            else:
+                self.__field_name = "site"
+        return self.__field_name
+
+    def get_queryset(self):
+        return (
+            super()
+            .get_queryset()
+            .filter(**{self._get_field_name() + "__id": settings.SITE_ID})
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/middleware.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/middleware.py
new file mode 100644
index 00000000..bc3bf20c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/middleware.py
@@ -0,0 +1,12 @@
+from django.utils.deprecation import MiddlewareMixin
+
+from .shortcuts import get_current_site
+
+
+class CurrentSiteMiddleware(MiddlewareMixin):
+    """
+    Middleware that sets `site` attribute to request object.
+    """
+
+    def process_request(self, request):
+        request.site = get_current_site(request)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/0001_initial.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/0001_initial.py
new file mode 100644
index 00000000..a23f0f12
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/0001_initial.py
@@ -0,0 +1,43 @@
+import django.contrib.sites.models
+from django.contrib.sites.models import _simple_domain_name_validator
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name="Site",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        verbose_name="ID",
+                        serialize=False,
+                        auto_created=True,
+                        primary_key=True,
+                    ),
+                ),
+                (
+                    "domain",
+                    models.CharField(
+                        max_length=100,
+                        verbose_name="domain name",
+                        validators=[_simple_domain_name_validator],
+                    ),
+                ),
+                ("name", models.CharField(max_length=50, verbose_name="display name")),
+            ],
+            options={
+                "ordering": ["domain"],
+                "db_table": "django_site",
+                "verbose_name": "site",
+                "verbose_name_plural": "sites",
+            },
+            bases=(models.Model,),
+            managers=[
+                ("objects", django.contrib.sites.models.SiteManager()),
+            ],
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/0002_alter_domain_unique.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/0002_alter_domain_unique.py
new file mode 100644
index 00000000..e379a91f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/0002_alter_domain_unique.py
@@ -0,0 +1,21 @@
+import django.contrib.sites.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("sites", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="site",
+            name="domain",
+            field=models.CharField(
+                max_length=100,
+                unique=True,
+                validators=[django.contrib.sites.models._simple_domain_name_validator],
+                verbose_name="domain name",
+            ),
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/migrations/__init__.py
new file mode 100644
index 00000000..e69de29b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/models.py
new file mode 100644
index 00000000..7f8bce92
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/models.py
@@ -0,0 +1,120 @@
+import string
+
+from django.core.exceptions import ImproperlyConfigured, ValidationError
+from django.db import models
+from django.db.models.signals import pre_delete, pre_save
+from django.http.request import split_domain_port
+from django.utils.translation import gettext_lazy as _
+
+SITE_CACHE = {}
+
+
+def _simple_domain_name_validator(value):
+    """
+    Validate that the given value contains no whitespaces to prevent common
+    typos.
+    """
+    checks = ((s in value) for s in string.whitespace)
+    if any(checks):
+        raise ValidationError(
+            _("The domain name cannot contain any spaces or tabs."),
+            code="invalid",
+        )
+
+
+class SiteManager(models.Manager):
+    use_in_migrations = True
+
+    def _get_site_by_id(self, site_id):
+        if site_id not in SITE_CACHE:
+            site = self.get(pk=site_id)
+            SITE_CACHE[site_id] = site
+        return SITE_CACHE[site_id]
+
+    def _get_site_by_request(self, request):
+        host = request.get_host()
+        try:
+            # First attempt to look up the site by host with or without port.
+            if host not in SITE_CACHE:
+                SITE_CACHE[host] = self.get(domain__iexact=host)
+            return SITE_CACHE[host]
+        except Site.DoesNotExist:
+            # Fallback to looking up site after stripping port from the host.
+            domain, port = split_domain_port(host)
+            if domain not in SITE_CACHE:
+                SITE_CACHE[domain] = self.get(domain__iexact=domain)
+            return SITE_CACHE[domain]
+
+    def get_current(self, request=None):
+        """
+        Return the current Site based on the SITE_ID in the project's settings.
+        If SITE_ID isn't defined, return the site with domain matching
+        request.get_host(). The ``Site`` object is cached the first time it's
+        retrieved from the database.
+        """
+        from django.conf import settings
+
+        if getattr(settings, "SITE_ID", ""):
+            site_id = settings.SITE_ID
+            return self._get_site_by_id(site_id)
+        elif request:
+            return self._get_site_by_request(request)
+
+        raise ImproperlyConfigured(
+            'You\'re using the Django "sites framework" without having '
+            "set the SITE_ID setting. Create a site in your database and "
+            "set the SITE_ID setting or pass a request to "
+            "Site.objects.get_current() to fix this error."
+        )
+
+    def clear_cache(self):
+        """Clear the ``Site`` object cache."""
+        global SITE_CACHE
+        SITE_CACHE = {}
+
+    def get_by_natural_key(self, domain):
+        return self.get(domain=domain)
+
+
+class Site(models.Model):
+    domain = models.CharField(
+        _("domain name"),
+        max_length=100,
+        validators=[_simple_domain_name_validator],
+        unique=True,
+    )
+    name = models.CharField(_("display name"), max_length=50)
+
+    objects = SiteManager()
+
+    class Meta:
+        db_table = "django_site"
+        verbose_name = _("site")
+        verbose_name_plural = _("sites")
+        ordering = ["domain"]
+
+    def __str__(self):
+        return self.domain
+
+    def natural_key(self):
+        return (self.domain,)
+
+
+def clear_site_cache(sender, **kwargs):
+    """
+    Clear the cache (if primed) each time a site is saved or deleted.
+    """
+    instance = kwargs["instance"]
+    using = kwargs["using"]
+    try:
+        del SITE_CACHE[instance.pk]
+    except KeyError:
+        pass
+    try:
+        del SITE_CACHE[Site.objects.using(using).get(pk=instance.pk).domain]
+    except (KeyError, Site.DoesNotExist):
+        pass
+
+
+pre_save.connect(clear_site_cache, sender=Site)
+pre_delete.connect(clear_site_cache, sender=Site)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/requests.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/requests.py
new file mode 100644
index 00000000..a0c9c18a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/requests.py
@@ -0,0 +1,20 @@
+class RequestSite:
+    """
+    A class that shares the primary interface of Site (i.e., it has ``domain``
+    and ``name`` attributes) but gets its data from an HttpRequest object
+    rather than from a database.
+
+    The save() and delete() methods raise NotImplementedError.
+    """
+
+    def __init__(self, request):
+        self.domain = self.name = request.get_host()
+
+    def __str__(self):
+        return self.domain
+
+    def save(self, force_insert=False, force_update=False):
+        raise NotImplementedError("RequestSite cannot be saved.")
+
+    def delete(self):
+        raise NotImplementedError("RequestSite cannot be deleted.")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/shortcuts.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/shortcuts.py
new file mode 100644
index 00000000..d4b65101
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/sites/shortcuts.py
@@ -0,0 +1,18 @@
+from django.apps import apps
+
+from .requests import RequestSite
+
+
+def get_current_site(request):
+    """
+    Check if contrib.sites is installed and return either the current
+    ``Site`` object or a ``RequestSite`` object based on the request.
+    """
+    # Import is inside the function because its point is to avoid importing the
+    # Site models when django.contrib.sites isn't installed.
+    if apps.is_installed("django.contrib.sites"):
+        from .models import Site
+
+        return Site.objects.get_current(request)
+    else:
+        return RequestSite(request)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/apps.py
new file mode 100644
index 00000000..08d827c5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/apps.py
@@ -0,0 +1,14 @@
+from django.apps import AppConfig
+from django.contrib.staticfiles.checks import check_finders, check_storages
+from django.core import checks
+from django.utils.translation import gettext_lazy as _
+
+
+class StaticFilesConfig(AppConfig):
+    name = "django.contrib.staticfiles"
+    verbose_name = _("Static Files")
+    ignore_patterns = ["CVS", ".*", "*~"]
+
+    def ready(self):
+        checks.register(check_finders, checks.Tags.staticfiles)
+        checks.register(check_storages, checks.Tags.staticfiles)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/checks.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/checks.py
new file mode 100644
index 00000000..06b87c28
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/checks.py
@@ -0,0 +1,29 @@
+from django.conf import STATICFILES_STORAGE_ALIAS, settings
+from django.contrib.staticfiles.finders import get_finders
+from django.core.checks import Error
+
+E005 = Error(
+    f"The STORAGES setting must define a '{STATICFILES_STORAGE_ALIAS}' storage.",
+    id="staticfiles.E005",
+)
+
+
+def check_finders(app_configs=None, **kwargs):
+    """Check all registered staticfiles finders."""
+    errors = []
+    for finder in get_finders():
+        try:
+            finder_errors = finder.check()
+        except NotImplementedError:
+            pass
+        else:
+            errors.extend(finder_errors)
+    return errors
+
+
+def check_storages(app_configs=None, **kwargs):
+    """Ensure staticfiles is defined in STORAGES setting."""
+    errors = []
+    if STATICFILES_STORAGE_ALIAS not in settings.STORAGES:
+        errors.append(E005)
+    return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/finders.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/finders.py
new file mode 100644
index 00000000..112a81d2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/finders.py
@@ -0,0 +1,326 @@
+import functools
+import os
+
+from django.apps import apps
+from django.conf import settings
+from django.contrib.staticfiles import utils
+from django.core.checks import Error, Warning
+from django.core.exceptions import ImproperlyConfigured
+from django.core.files.storage import FileSystemStorage, Storage, default_storage
+from django.utils._os import safe_join
+from django.utils.functional import LazyObject, empty
+from django.utils.module_loading import import_string
+
+# To keep track on which directories the finder has searched the static files.
+searched_locations = []
+
+
+class BaseFinder:
+    """
+    A base file finder to be used for custom staticfiles finder classes.
+    """
+
+    def check(self, **kwargs):
+        raise NotImplementedError(
+            "subclasses may provide a check() method to verify the finder is "
+            "configured correctly."
+        )
+
+    def find(self, path, all=False):
+        """
+        Given a relative file path, find an absolute file path.
+
+        If the ``all`` parameter is False (default) return only the first found
+        file path; if True, return a list of all found files paths.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseFinder must provide a find() method"
+        )
+
+    def list(self, ignore_patterns):
+        """
+        Given an optional list of paths to ignore, return a two item iterable
+        consisting of the relative path and storage instance.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseFinder must provide a list() method"
+        )
+
+
+class FileSystemFinder(BaseFinder):
+    """
+    A static files finder that uses the ``STATICFILES_DIRS`` setting
+    to locate files.
+    """
+
+    def __init__(self, app_names=None, *args, **kwargs):
+        # List of locations with static files
+        self.locations = []
+        # Maps dir paths to an appropriate storage instance
+        self.storages = {}
+        for root in settings.STATICFILES_DIRS:
+            if isinstance(root, (list, tuple)):
+                prefix, root = root
+            else:
+                prefix = ""
+            if (prefix, root) not in self.locations:
+                self.locations.append((prefix, root))
+        for prefix, root in self.locations:
+            filesystem_storage = FileSystemStorage(location=root)
+            filesystem_storage.prefix = prefix
+            self.storages[root] = filesystem_storage
+        super().__init__(*args, **kwargs)
+
+    def check(self, **kwargs):
+        errors = []
+        if not isinstance(settings.STATICFILES_DIRS, (list, tuple)):
+            errors.append(
+                Error(
+                    "The STATICFILES_DIRS setting is not a tuple or list.",
+                    hint="Perhaps you forgot a trailing comma?",
+                    id="staticfiles.E001",
+                )
+            )
+            return errors
+        for root in settings.STATICFILES_DIRS:
+            if isinstance(root, (list, tuple)):
+                prefix, root = root
+                if prefix.endswith("/"):
+                    errors.append(
+                        Error(
+                            "The prefix %r in the STATICFILES_DIRS setting must "
+                            "not end with a slash." % prefix,
+                            id="staticfiles.E003",
+                        )
+                    )
+            if settings.STATIC_ROOT and os.path.abspath(
+                settings.STATIC_ROOT
+            ) == os.path.abspath(root):
+                errors.append(
+                    Error(
+                        "The STATICFILES_DIRS setting should not contain the "
+                        "STATIC_ROOT setting.",
+                        id="staticfiles.E002",
+                    )
+                )
+            if not os.path.isdir(root):
+                errors.append(
+                    Warning(
+                        f"The directory '{root}' in the STATICFILES_DIRS setting "
+                        f"does not exist.",
+                        id="staticfiles.W004",
+                    )
+                )
+        return errors
+
+    def find(self, path, all=False):
+        """
+        Look for files in the extra locations as defined in STATICFILES_DIRS.
+        """
+        matches = []
+        for prefix, root in self.locations:
+            if root not in searched_locations:
+                searched_locations.append(root)
+            matched_path = self.find_location(root, path, prefix)
+            if matched_path:
+                if not all:
+                    return matched_path
+                matches.append(matched_path)
+        return matches
+
+    def find_location(self, root, path, prefix=None):
+        """
+        Find a requested static file in a location and return the found
+        absolute path (or ``None`` if no match).
+        """
+        if prefix:
+            prefix = "%s%s" % (prefix, os.sep)
+            if not path.startswith(prefix):
+                return None
+            path = path.removeprefix(prefix)
+        path = safe_join(root, path)
+        if os.path.exists(path):
+            return path
+
+    def list(self, ignore_patterns):
+        """
+        List all files in all locations.
+        """
+        for prefix, root in self.locations:
+            # Skip nonexistent directories.
+            if os.path.isdir(root):
+                storage = self.storages[root]
+                for path in utils.get_files(storage, ignore_patterns):
+                    yield path, storage
+
+
+class AppDirectoriesFinder(BaseFinder):
+    """
+    A static files finder that looks in the directory of each app as
+    specified in the source_dir attribute.
+    """
+
+    storage_class = FileSystemStorage
+    source_dir = "static"
+
+    def __init__(self, app_names=None, *args, **kwargs):
+        # The list of apps that are handled
+        self.apps = []
+        # Mapping of app names to storage instances
+        self.storages = {}
+        app_configs = apps.get_app_configs()
+        if app_names:
+            app_names = set(app_names)
+            app_configs = [ac for ac in app_configs if ac.name in app_names]
+        for app_config in app_configs:
+            app_storage = self.storage_class(
+                os.path.join(app_config.path, self.source_dir)
+            )
+            if os.path.isdir(app_storage.location):
+                self.storages[app_config.name] = app_storage
+                if app_config.name not in self.apps:
+                    self.apps.append(app_config.name)
+        super().__init__(*args, **kwargs)
+
+    def list(self, ignore_patterns):
+        """
+        List all files in all app storages.
+        """
+        for storage in self.storages.values():
+            if storage.exists(""):  # check if storage location exists
+                for path in utils.get_files(storage, ignore_patterns):
+                    yield path, storage
+
+    def find(self, path, all=False):
+        """
+        Look for files in the app directories.
+        """
+        matches = []
+        for app in self.apps:
+            app_location = self.storages[app].location
+            if app_location not in searched_locations:
+                searched_locations.append(app_location)
+            match = self.find_in_app(app, path)
+            if match:
+                if not all:
+                    return match
+                matches.append(match)
+        return matches
+
+    def find_in_app(self, app, path):
+        """
+        Find a requested static file in an app's static locations.
+        """
+        storage = self.storages.get(app)
+        # Only try to find a file if the source dir actually exists.
+        if storage and storage.exists(path):
+            matched_path = storage.path(path)
+            if matched_path:
+                return matched_path
+
+
+class BaseStorageFinder(BaseFinder):
+    """
+    A base static files finder to be used to extended
+    with an own storage class.
+    """
+
+    storage = None
+
+    def __init__(self, storage=None, *args, **kwargs):
+        if storage is not None:
+            self.storage = storage
+        if self.storage is None:
+            raise ImproperlyConfigured(
+                "The staticfiles storage finder %r "
+                "doesn't have a storage class "
+                "assigned." % self.__class__
+            )
+        # Make sure we have a storage instance here.
+        if not isinstance(self.storage, (Storage, LazyObject)):
+            self.storage = self.storage()
+        super().__init__(*args, **kwargs)
+
+    def find(self, path, all=False):
+        """
+        Look for files in the default file storage, if it's local.
+        """
+        try:
+            self.storage.path("")
+        except NotImplementedError:
+            pass
+        else:
+            if self.storage.location not in searched_locations:
+                searched_locations.append(self.storage.location)
+            if self.storage.exists(path):
+                match = self.storage.path(path)
+                if all:
+                    match = [match]
+                return match
+        return []
+
+    def list(self, ignore_patterns):
+        """
+        List all files of the storage.
+        """
+        for path in utils.get_files(self.storage, ignore_patterns):
+            yield path, self.storage
+
+
+class DefaultStorageFinder(BaseStorageFinder):
+    """
+    A static files finder that uses the default storage backend.
+    """
+
+    storage = default_storage
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        base_location = getattr(self.storage, "base_location", empty)
+        if not base_location:
+            raise ImproperlyConfigured(
+                "The storage backend of the "
+                "staticfiles finder %r doesn't have "
+                "a valid location." % self.__class__
+            )
+
+
+def find(path, all=False):
+    """
+    Find a static file with the given path using all enabled finders.
+
+    If ``all`` is ``False`` (default), return the first matching
+    absolute path (or ``None`` if no match). Otherwise return a list.
+    """
+    searched_locations[:] = []
+    matches = []
+    for finder in get_finders():
+        result = finder.find(path, all=all)
+        if not all and result:
+            return result
+        if not isinstance(result, (list, tuple)):
+            result = [result]
+        matches.extend(result)
+    if matches:
+        return matches
+    # No match.
+    return [] if all else None
+
+
+def get_finders():
+    for finder_path in settings.STATICFILES_FINDERS:
+        yield get_finder(finder_path)
+
+
+@functools.cache
+def get_finder(import_path):
+    """
+    Import the staticfiles finder class described by import_path, where
+    import_path is the full Python path to the class.
+    """
+    Finder = import_string(import_path)
+    if not issubclass(Finder, BaseFinder):
+        raise ImproperlyConfigured(
+            'Finder "%s" is not a subclass of "%s"' % (Finder, BaseFinder)
+        )
+    return Finder()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/handlers.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/handlers.py
new file mode 100644
index 00000000..7394eff8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/handlers.py
@@ -0,0 +1,115 @@
+from urllib.parse import urlparse
+from urllib.request import url2pathname
+
+from asgiref.sync import sync_to_async
+
+from django.conf import settings
+from django.contrib.staticfiles import utils
+from django.contrib.staticfiles.views import serve
+from django.core.handlers.asgi import ASGIHandler
+from django.core.handlers.exception import response_for_exception
+from django.core.handlers.wsgi import WSGIHandler, get_path_info
+from django.http import Http404
+
+
+class StaticFilesHandlerMixin:
+    """
+    Common methods used by WSGI and ASGI handlers.
+    """
+
+    # May be used to differentiate between handler types (e.g. in a
+    # request_finished signal)
+    handles_files = True
+
+    def load_middleware(self):
+        # Middleware are already loaded for self.application; no need to reload
+        # them for self.
+        pass
+
+    def get_base_url(self):
+        utils.check_settings()
+        return settings.STATIC_URL
+
+    def _should_handle(self, path):
+        """
+        Check if the path should be handled. Ignore the path if:
+        * the host is provided as part of the base_url
+        * the request's path isn't under the media path (or equal)
+        """
+        return path.startswith(self.base_url[2]) and not self.base_url[1]
+
+    def file_path(self, url):
+        """
+        Return the relative path to the media file on disk for the given URL.
+        """
+        relative_url = url.removeprefix(self.base_url[2])
+        return url2pathname(relative_url)
+
+    def serve(self, request):
+        """Serve the request path."""
+        return serve(request, self.file_path(request.path), insecure=True)
+
+    def get_response(self, request):
+        try:
+            return self.serve(request)
+        except Http404 as e:
+            return response_for_exception(request, e)
+
+    async def get_response_async(self, request):
+        try:
+            return await sync_to_async(self.serve, thread_sensitive=False)(request)
+        except Http404 as e:
+            return await sync_to_async(response_for_exception, thread_sensitive=False)(
+                request, e
+            )
+
+
+class StaticFilesHandler(StaticFilesHandlerMixin, WSGIHandler):
+    """
+    WSGI middleware that intercepts calls to the static files directory, as
+    defined by the STATIC_URL setting, and serves those files.
+    """
+
+    def __init__(self, application):
+        self.application = application
+        self.base_url = urlparse(self.get_base_url())
+        super().__init__()
+
+    def __call__(self, environ, start_response):
+        if not self._should_handle(get_path_info(environ)):
+            return self.application(environ, start_response)
+        return super().__call__(environ, start_response)
+
+
+class ASGIStaticFilesHandler(StaticFilesHandlerMixin, ASGIHandler):
+    """
+    ASGI application which wraps another and intercepts requests for static
+    files, passing them off to Django's static file serving.
+    """
+
+    def __init__(self, application):
+        self.application = application
+        self.base_url = urlparse(self.get_base_url())
+
+    async def __call__(self, scope, receive, send):
+        # Only even look at HTTP requests
+        if scope["type"] == "http" and self._should_handle(scope["path"]):
+            # Serve static content
+            # (the one thing super() doesn't do is __call__, apparently)
+            return await super().__call__(scope, receive, send)
+        # Hand off to the main app
+        return await self.application(scope, receive, send)
+
+    async def get_response_async(self, request):
+        response = await super().get_response_async(request)
+        response._resource_closers.append(request.close)
+        # FileResponse is not async compatible.
+        if response.streaming and not response.is_async:
+            _iterator = response.streaming_content
+
+            async def awrapper():
+                for part in await sync_to_async(list)(_iterator):
+                    yield part
+
+            response.streaming_content = awrapper()
+        return response
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py
new file mode 100644
index 00000000..c346038d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py
@@ -0,0 +1,379 @@
+import os
+
+from django.apps import apps
+from django.contrib.staticfiles.finders import get_finders
+from django.contrib.staticfiles.storage import staticfiles_storage
+from django.core.checks import Tags
+from django.core.files.storage import FileSystemStorage
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.color import no_style
+from django.utils.functional import cached_property
+
+
+class Command(BaseCommand):
+    """
+    Copies or symlinks static files from different locations to the
+    settings.STATIC_ROOT.
+    """
+
+    help = "Collect static files in a single location."
+    requires_system_checks = [Tags.staticfiles]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.copied_files = []
+        self.symlinked_files = []
+        self.unmodified_files = []
+        self.post_processed_files = []
+        self.storage = staticfiles_storage
+        self.style = no_style()
+
+    @cached_property
+    def local(self):
+        try:
+            self.storage.path("")
+        except NotImplementedError:
+            return False
+        return True
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Do NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "--no-post-process",
+            action="store_false",
+            dest="post_process",
+            help="Do NOT post process collected files.",
+        )
+        parser.add_argument(
+            "-i",
+            "--ignore",
+            action="append",
+            default=[],
+            dest="ignore_patterns",
+            metavar="PATTERN",
+            help="Ignore files or directories matching this glob-style "
+            "pattern. Use multiple times to ignore more.",
+        )
+        parser.add_argument(
+            "-n",
+            "--dry-run",
+            action="store_true",
+            help="Do everything except modify the filesystem.",
+        )
+        parser.add_argument(
+            "-c",
+            "--clear",
+            action="store_true",
+            help="Clear the existing files using the storage "
+            "before trying to copy or link the original file.",
+        )
+        parser.add_argument(
+            "-l",
+            "--link",
+            action="store_true",
+            help="Create a symbolic link to each file instead of copying.",
+        )
+        parser.add_argument(
+            "--no-default-ignore",
+            action="store_false",
+            dest="use_default_ignore_patterns",
+            help=(
+                "Don't ignore the common private glob-style patterns (defaults to "
+                "'CVS', '.*' and '*~')."
+            ),
+        )
+
+    def set_options(self, **options):
+        """
+        Set instance variables based on an options dict
+        """
+        self.interactive = options["interactive"]
+        self.verbosity = options["verbosity"]
+        self.symlink = options["link"]
+        self.clear = options["clear"]
+        self.dry_run = options["dry_run"]
+        ignore_patterns = options["ignore_patterns"]
+        if options["use_default_ignore_patterns"]:
+            ignore_patterns += apps.get_app_config("staticfiles").ignore_patterns
+        self.ignore_patterns = list({os.path.normpath(p) for p in ignore_patterns})
+        self.post_process = options["post_process"]
+
+    def collect(self):
+        """
+        Perform the bulk of the work of collectstatic.
+
+        Split off from handle() to facilitate testing.
+        """
+        if self.symlink and not self.local:
+            raise CommandError("Can't symlink to a remote destination.")
+
+        if self.clear:
+            self.clear_dir("")
+
+        if self.symlink:
+            handler = self.link_file
+        else:
+            handler = self.copy_file
+
+        found_files = {}
+        for finder in get_finders():
+            for path, storage in finder.list(self.ignore_patterns):
+                # Prefix the relative path if the source storage contains it
+                if getattr(storage, "prefix", None):
+                    prefixed_path = os.path.join(storage.prefix, path)
+                else:
+                    prefixed_path = path
+
+                if prefixed_path not in found_files:
+                    found_files[prefixed_path] = (storage, path)
+                    handler(path, prefixed_path, storage)
+                else:
+                    self.log(
+                        "Found another file with the destination path '%s'. It "
+                        "will be ignored since only the first encountered file "
+                        "is collected. If this is not what you want, make sure "
+                        "every static file has a unique path." % prefixed_path,
+                        level=1,
+                    )
+
+        # Storage backends may define a post_process() method.
+        if self.post_process and hasattr(self.storage, "post_process"):
+            processor = self.storage.post_process(found_files, dry_run=self.dry_run)
+            for original_path, processed_path, processed in processor:
+                if isinstance(processed, Exception):
+                    self.stderr.write("Post-processing '%s' failed!" % original_path)
+                    # Add a blank line before the traceback, otherwise it's
+                    # too easy to miss the relevant part of the error message.
+                    self.stderr.write()
+                    raise processed
+                if processed:
+                    self.log(
+                        "Post-processed '%s' as '%s'" % (original_path, processed_path),
+                        level=2,
+                    )
+                    self.post_processed_files.append(original_path)
+                else:
+                    self.log("Skipped post-processing '%s'" % original_path)
+
+        return {
+            "modified": self.copied_files + self.symlinked_files,
+            "unmodified": self.unmodified_files,
+            "post_processed": self.post_processed_files,
+        }
+
+    def handle(self, **options):
+        self.set_options(**options)
+        message = ["\n"]
+        if self.dry_run:
+            message.append(
+                "You have activated the --dry-run option so no files will be "
+                "modified.\n\n"
+            )
+
+        message.append(
+            "You have requested to collect static files at the destination\n"
+            "location as specified in your settings"
+        )
+
+        if self.is_local_storage() and self.storage.location:
+            destination_path = self.storage.location
+            message.append(":\n\n    %s\n\n" % destination_path)
+            should_warn_user = self.storage.exists(destination_path) and any(
+                self.storage.listdir(destination_path)
+            )
+        else:
+            destination_path = None
+            message.append(".\n\n")
+            # Destination files existence not checked; play it safe and warn.
+            should_warn_user = True
+
+        if self.interactive and should_warn_user:
+            if self.clear:
+                message.append("This will DELETE ALL FILES in this location!\n")
+            else:
+                message.append("This will overwrite existing files!\n")
+
+            message.append(
+                "Are you sure you want to do this?\n\n"
+                "Type 'yes' to continue, or 'no' to cancel: "
+            )
+            if input("".join(message)) != "yes":
+                raise CommandError("Collecting static files cancelled.")
+
+        collected = self.collect()
+
+        if self.verbosity >= 1:
+            modified_count = len(collected["modified"])
+            unmodified_count = len(collected["unmodified"])
+            post_processed_count = len(collected["post_processed"])
+            return (
+                "\n%(modified_count)s %(identifier)s %(action)s"
+                "%(destination)s%(unmodified)s%(post_processed)s."
+            ) % {
+                "modified_count": modified_count,
+                "identifier": "static file" + ("" if modified_count == 1 else "s"),
+                "action": "symlinked" if self.symlink else "copied",
+                "destination": (
+                    " to '%s'" % destination_path if destination_path else ""
+                ),
+                "unmodified": (
+                    ", %s unmodified" % unmodified_count
+                    if collected["unmodified"]
+                    else ""
+                ),
+                "post_processed": (
+                    collected["post_processed"]
+                    and ", %s post-processed" % post_processed_count
+                    or ""
+                ),
+            }
+
+    def log(self, msg, level=2):
+        """
+        Small log helper
+        """
+        if self.verbosity >= level:
+            self.stdout.write(msg)
+
+    def is_local_storage(self):
+        return isinstance(self.storage, FileSystemStorage)
+
+    def clear_dir(self, path):
+        """
+        Delete the given relative path using the destination storage backend.
+        """
+        if not self.storage.exists(path):
+            return
+
+        dirs, files = self.storage.listdir(path)
+        for f in files:
+            fpath = os.path.join(path, f)
+            if self.dry_run:
+                self.log("Pretending to delete '%s'" % fpath, level=1)
+            else:
+                self.log("Deleting '%s'" % fpath, level=1)
+                try:
+                    full_path = self.storage.path(fpath)
+                except NotImplementedError:
+                    self.storage.delete(fpath)
+                else:
+                    if not os.path.exists(full_path) and os.path.lexists(full_path):
+                        # Delete broken symlinks
+                        os.unlink(full_path)
+                    else:
+                        self.storage.delete(fpath)
+        for d in dirs:
+            self.clear_dir(os.path.join(path, d))
+
+    def delete_file(self, path, prefixed_path, source_storage):
+        """
+        Check if the target file should be deleted if it already exists.
+        """
+        if self.storage.exists(prefixed_path):
+            try:
+                # When was the target file modified last time?
+                target_last_modified = self.storage.get_modified_time(prefixed_path)
+            except (OSError, NotImplementedError, AttributeError):
+                # The storage doesn't support get_modified_time() or failed
+                pass
+            else:
+                try:
+                    # When was the source file modified last time?
+                    source_last_modified = source_storage.get_modified_time(path)
+                except (OSError, NotImplementedError, AttributeError):
+                    pass
+                else:
+                    # The full path of the target file
+                    if self.local:
+                        full_path = self.storage.path(prefixed_path)
+                        # If it's --link mode and the path isn't a link (i.e.
+                        # the previous collectstatic wasn't with --link) or if
+                        # it's non-link mode and the path is a link (i.e. the
+                        # previous collectstatic was with --link), the old
+                        # links/files must be deleted so it's not safe to skip
+                        # unmodified files.
+                        can_skip_unmodified_files = not (
+                            self.symlink ^ os.path.islink(full_path)
+                        )
+                    else:
+                        # In remote storages, skipping is only based on the
+                        # modified times since symlinks aren't relevant.
+                        can_skip_unmodified_files = True
+                    # Avoid sub-second precision (see #14665, #19540)
+                    file_is_unmodified = target_last_modified.replace(
+                        microsecond=0
+                    ) >= source_last_modified.replace(microsecond=0)
+                    if file_is_unmodified and can_skip_unmodified_files:
+                        if prefixed_path not in self.unmodified_files:
+                            self.unmodified_files.append(prefixed_path)
+                        self.log("Skipping '%s' (not modified)" % path)
+                        return False
+            # Then delete the existing file if really needed
+            if self.dry_run:
+                self.log("Pretending to delete '%s'" % path)
+            else:
+                self.log("Deleting '%s'" % path)
+                self.storage.delete(prefixed_path)
+        return True
+
+    def link_file(self, path, prefixed_path, source_storage):
+        """
+        Attempt to link ``path``
+        """
+        # Skip this file if it was already copied earlier
+        if prefixed_path in self.symlinked_files:
+            return self.log("Skipping '%s' (already linked earlier)" % path)
+        # Delete the target file if needed or break
+        if not self.delete_file(path, prefixed_path, source_storage):
+            return
+        # The full path of the source file
+        source_path = source_storage.path(path)
+        # Finally link the file
+        if self.dry_run:
+            self.log("Pretending to link '%s'" % source_path, level=1)
+        else:
+            self.log("Linking '%s'" % source_path, level=2)
+            full_path = self.storage.path(prefixed_path)
+            os.makedirs(os.path.dirname(full_path), exist_ok=True)
+            try:
+                if os.path.lexists(full_path):
+                    os.unlink(full_path)
+                os.symlink(source_path, full_path)
+            except NotImplementedError:
+                import platform
+
+                raise CommandError(
+                    "Symlinking is not supported in this "
+                    "platform (%s)." % platform.platform()
+                )
+            except OSError as e:
+                raise CommandError(e)
+        if prefixed_path not in self.symlinked_files:
+            self.symlinked_files.append(prefixed_path)
+
+    def copy_file(self, path, prefixed_path, source_storage):
+        """
+        Attempt to copy ``path`` with storage
+        """
+        # Skip this file if it was already copied earlier
+        if prefixed_path in self.copied_files:
+            return self.log("Skipping '%s' (already copied earlier)" % path)
+        # Delete the target file if needed or break
+        if not self.delete_file(path, prefixed_path, source_storage):
+            return
+        # The full path of the source file
+        source_path = source_storage.path(path)
+        # Finally start copying
+        if self.dry_run:
+            self.log("Pretending to copy '%s'" % source_path, level=1)
+        else:
+            self.log("Copying '%s'" % source_path, level=2)
+            with source_storage.open(path) as source_file:
+                self.storage.save(prefixed_path, source_file)
+        self.copied_files.append(prefixed_path)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/findstatic.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/findstatic.py
new file mode 100644
index 00000000..97413a64
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/findstatic.py
@@ -0,0 +1,48 @@
+import os
+
+from django.contrib.staticfiles import finders
+from django.core.management.base import LabelCommand
+
+
+class Command(LabelCommand):
+    help = "Finds the absolute paths for the given static file(s)."
+    label = "staticfile"
+
+    def add_arguments(self, parser):
+        super().add_arguments(parser)
+        parser.add_argument(
+            "--first",
+            action="store_false",
+            dest="all",
+            help="Only return the first match for each static file.",
+        )
+
+    def handle_label(self, path, **options):
+        verbosity = options["verbosity"]
+        result = finders.find(path, all=options["all"])
+        if verbosity >= 2:
+            searched_locations = (
+                "\nLooking in the following locations:\n  %s"
+                % "\n  ".join([str(loc) for loc in finders.searched_locations])
+            )
+        else:
+            searched_locations = ""
+        if result:
+            if not isinstance(result, (list, tuple)):
+                result = [result]
+            result = (os.path.realpath(path) for path in result)
+            if verbosity >= 1:
+                file_list = "\n  ".join(result)
+                return "Found '%s' here:\n  %s%s" % (
+                    path,
+                    file_list,
+                    searched_locations,
+                )
+            else:
+                return "\n".join(result)
+        else:
+            message = ["No matching file found for '%s'." % path]
+            if verbosity >= 2:
+                message.append(searched_locations)
+            if verbosity >= 1:
+                self.stderr.write("\n".join(message))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/runserver.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/runserver.py
new file mode 100644
index 00000000..fd9ddb16
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/management/commands/runserver.py
@@ -0,0 +1,36 @@
+from django.conf import settings
+from django.contrib.staticfiles.handlers import StaticFilesHandler
+from django.core.management.commands.runserver import Command as RunserverCommand
+
+
+class Command(RunserverCommand):
+    help = (
+        "Starts a lightweight web server for development and also serves static files."
+    )
+
+    def add_arguments(self, parser):
+        super().add_arguments(parser)
+        parser.add_argument(
+            "--nostatic",
+            action="store_false",
+            dest="use_static_handler",
+            help="Tells Django to NOT automatically serve static files at STATIC_URL.",
+        )
+        parser.add_argument(
+            "--insecure",
+            action="store_true",
+            dest="insecure_serving",
+            help="Allows serving static files even if DEBUG is False.",
+        )
+
+    def get_handler(self, *args, **options):
+        """
+        Return the static files serving handler wrapping the default handler,
+        if static files should be served. Otherwise return the default handler.
+        """
+        handler = super().get_handler(*args, **options)
+        use_static_handler = options["use_static_handler"]
+        insecure_serving = options["insecure_serving"]
+        if use_static_handler and (settings.DEBUG or insecure_serving):
+            return StaticFilesHandler(handler)
+        return handler
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/storage.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/storage.py
new file mode 100644
index 00000000..85172ea4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/storage.py
@@ -0,0 +1,543 @@
+import json
+import os
+import posixpath
+import re
+from hashlib import md5
+from urllib.parse import unquote, urldefrag, urlsplit, urlunsplit
+
+from django.conf import STATICFILES_STORAGE_ALIAS, settings
+from django.contrib.staticfiles.utils import check_settings, matches_patterns
+from django.core.exceptions import ImproperlyConfigured
+from django.core.files.base import ContentFile
+from django.core.files.storage import FileSystemStorage, storages
+from django.utils.functional import LazyObject
+
+
+class StaticFilesStorage(FileSystemStorage):
+    """
+    Standard file system storage for static files.
+
+    The defaults for ``location`` and ``base_url`` are
+    ``STATIC_ROOT`` and ``STATIC_URL``.
+    """
+
+    def __init__(self, location=None, base_url=None, *args, **kwargs):
+        if location is None:
+            location = settings.STATIC_ROOT
+        if base_url is None:
+            base_url = settings.STATIC_URL
+        check_settings(base_url)
+        super().__init__(location, base_url, *args, **kwargs)
+        # FileSystemStorage fallbacks to MEDIA_ROOT when location
+        # is empty, so we restore the empty value.
+        if not location:
+            self.base_location = None
+            self.location = None
+
+    def path(self, name):
+        if not self.location:
+            raise ImproperlyConfigured(
+                "You're using the staticfiles app "
+                "without having set the STATIC_ROOT "
+                "setting to a filesystem path."
+            )
+        return super().path(name)
+
+
+class HashedFilesMixin:
+    default_template = """url("%(url)s")"""
+    max_post_process_passes = 5
+    support_js_module_import_aggregation = False
+    _js_module_import_aggregation_patterns = (
+        "*.js",
+        (
+            (
+                (
+                    r"""(?P<matched>import(?s:(?P<import>[\s\{].*?))"""
+                    r"""\s*from\s*['"](?P<url>[./].*?)["']\s*;)"""
+                ),
+                """import%(import)s from "%(url)s";""",
+            ),
+            (
+                (
+                    r"""(?P<matched>export(?s:(?P<exports>[\s\{].*?))"""
+                    r"""\s*from\s*["'](?P<url>[./].*?)["']\s*;)"""
+                ),
+                """export%(exports)s from "%(url)s";""",
+            ),
+            (
+                r"""(?P<matched>import\s*['"](?P<url>[./].*?)["']\s*;)""",
+                """import"%(url)s";""",
+            ),
+            (
+                r"""(?P<matched>import\(["'](?P<url>.*?)["']\))""",
+                """import("%(url)s")""",
+            ),
+        ),
+    )
+    patterns = (
+        (
+            "*.css",
+            (
+                r"""(?P<matched>url\(['"]{0,1}\s*(?P<url>.*?)["']{0,1}\))""",
+                (
+                    r"""(?P<matched>@import\s*["']\s*(?P<url>.*?)["'])""",
+                    """@import url("%(url)s")""",
+                ),
+                (
+                    (
+                        r"(?m)^(?P<matched>/\*#[ \t]"
+                        r"(?-i:sourceMappingURL)=(?P<url>.*)[ \t]*\*/)$"
+                    ),
+                    "/*# sourceMappingURL=%(url)s */",
+                ),
+            ),
+        ),
+        (
+            "*.js",
+            (
+                (
+                    r"(?m)^(?P<matched>//# (?-i:sourceMappingURL)=(?P<url>.*))$",
+                    "//# sourceMappingURL=%(url)s",
+                ),
+            ),
+        ),
+    )
+    keep_intermediate_files = True
+
+    def __init__(self, *args, **kwargs):
+        if self.support_js_module_import_aggregation:
+            self.patterns += (self._js_module_import_aggregation_patterns,)
+        super().__init__(*args, **kwargs)
+        self._patterns = {}
+        self.hashed_files = {}
+        for extension, patterns in self.patterns:
+            for pattern in patterns:
+                if isinstance(pattern, (tuple, list)):
+                    pattern, template = pattern
+                else:
+                    template = self.default_template
+                compiled = re.compile(pattern, re.IGNORECASE)
+                self._patterns.setdefault(extension, []).append((compiled, template))
+
+    def file_hash(self, name, content=None):
+        """
+        Return a hash of the file with the given name and optional content.
+        """
+        if content is None:
+            return None
+        hasher = md5(usedforsecurity=False)
+        for chunk in content.chunks():
+            hasher.update(chunk)
+        return hasher.hexdigest()[:12]
+
+    def hashed_name(self, name, content=None, filename=None):
+        # `filename` is the name of file to hash if `content` isn't given.
+        # `name` is the base name to construct the new hashed filename from.
+        parsed_name = urlsplit(unquote(name))
+        clean_name = parsed_name.path.strip()
+        filename = (filename and urlsplit(unquote(filename)).path.strip()) or clean_name
+        opened = content is None
+        if opened:
+            if not self.exists(filename):
+                raise ValueError(
+                    "The file '%s' could not be found with %r." % (filename, self)
+                )
+            try:
+                content = self.open(filename)
+            except OSError:
+                # Handle directory paths and fragments
+                return name
+        try:
+            file_hash = self.file_hash(clean_name, content)
+        finally:
+            if opened:
+                content.close()
+        path, filename = os.path.split(clean_name)
+        root, ext = os.path.splitext(filename)
+        file_hash = (".%s" % file_hash) if file_hash else ""
+        hashed_name = os.path.join(path, "%s%s%s" % (root, file_hash, ext))
+        unparsed_name = list(parsed_name)
+        unparsed_name[2] = hashed_name
+        # Special casing for a @font-face hack, like url(myfont.eot?#iefix")
+        # http://www.fontspring.com/blog/the-new-bulletproof-font-face-syntax
+        if "?#" in name and not unparsed_name[3]:
+            unparsed_name[2] += "?"
+        return urlunsplit(unparsed_name)
+
+    def _url(self, hashed_name_func, name, force=False, hashed_files=None):
+        """
+        Return the non-hashed URL in DEBUG mode.
+        """
+        if settings.DEBUG and not force:
+            hashed_name, fragment = name, ""
+        else:
+            clean_name, fragment = urldefrag(name)
+            if urlsplit(clean_name).path.endswith("/"):  # don't hash paths
+                hashed_name = name
+            else:
+                args = (clean_name,)
+                if hashed_files is not None:
+                    args += (hashed_files,)
+                hashed_name = hashed_name_func(*args)
+
+        final_url = super().url(hashed_name)
+
+        # Special casing for a @font-face hack, like url(myfont.eot?#iefix")
+        # http://www.fontspring.com/blog/the-new-bulletproof-font-face-syntax
+        query_fragment = "?#" in name  # [sic!]
+        if fragment or query_fragment:
+            urlparts = list(urlsplit(final_url))
+            if fragment and not urlparts[4]:
+                urlparts[4] = fragment
+            if query_fragment and not urlparts[3]:
+                urlparts[2] += "?"
+            final_url = urlunsplit(urlparts)
+
+        return unquote(final_url)
+
+    def url(self, name, force=False):
+        """
+        Return the non-hashed URL in DEBUG mode.
+        """
+        return self._url(self.stored_name, name, force)
+
+    def url_converter(self, name, hashed_files, template=None):
+        """
+        Return the custom URL converter for the given file name.
+        """
+        if template is None:
+            template = self.default_template
+
+        def converter(matchobj):
+            """
+            Convert the matched URL to a normalized and hashed URL.
+
+            This requires figuring out which files the matched URL resolves
+            to and calling the url() method of the storage.
+            """
+            matches = matchobj.groupdict()
+            matched = matches["matched"]
+            url = matches["url"]
+
+            # Ignore absolute/protocol-relative and data-uri URLs.
+            if re.match(r"^[a-z]+:", url):
+                return matched
+
+            # Ignore absolute URLs that don't point to a static file (dynamic
+            # CSS / JS?). Note that STATIC_URL cannot be empty.
+            if url.startswith("/") and not url.startswith(settings.STATIC_URL):
+                return matched
+
+            # Strip off the fragment so a path-like fragment won't interfere.
+            url_path, fragment = urldefrag(url)
+
+            # Ignore URLs without a path
+            if not url_path:
+                return matched
+
+            if url_path.startswith("/"):
+                # Otherwise the condition above would have returned prematurely.
+                assert url_path.startswith(settings.STATIC_URL)
+                target_name = url_path.removeprefix(settings.STATIC_URL)
+            else:
+                # We're using the posixpath module to mix paths and URLs conveniently.
+                source_name = name if os.sep == "/" else name.replace(os.sep, "/")
+                target_name = posixpath.join(posixpath.dirname(source_name), url_path)
+
+            # Determine the hashed name of the target file with the storage backend.
+            hashed_url = self._url(
+                self._stored_name,
+                unquote(target_name),
+                force=True,
+                hashed_files=hashed_files,
+            )
+
+            transformed_url = "/".join(
+                url_path.split("/")[:-1] + hashed_url.split("/")[-1:]
+            )
+
+            # Restore the fragment that was stripped off earlier.
+            if fragment:
+                transformed_url += ("?#" if "?#" in url else "#") + fragment
+
+            # Return the hashed version to the file
+            matches["url"] = unquote(transformed_url)
+            return template % matches
+
+        return converter
+
+    def post_process(self, paths, dry_run=False, **options):
+        """
+        Post process the given dictionary of files (called from collectstatic).
+
+        Processing is actually two separate operations:
+
+        1. renaming files to include a hash of their content for cache-busting,
+           and copying those files to the target storage.
+        2. adjusting files which contain references to other files so they
+           refer to the cache-busting filenames.
+
+        If either of these are performed on a file, then that file is considered
+        post-processed.
+        """
+        # don't even dare to process the files if we're in dry run mode
+        if dry_run:
+            return
+
+        # where to store the new paths
+        hashed_files = {}
+
+        # build a list of adjustable files
+        adjustable_paths = [
+            path for path in paths if matches_patterns(path, self._patterns)
+        ]
+
+        # Adjustable files to yield at end, keyed by the original path.
+        processed_adjustable_paths = {}
+
+        # Do a single pass first. Post-process all files once, yielding not
+        # adjustable files and exceptions, and collecting adjustable files.
+        for name, hashed_name, processed, _ in self._post_process(
+            paths, adjustable_paths, hashed_files
+        ):
+            if name not in adjustable_paths or isinstance(processed, Exception):
+                yield name, hashed_name, processed
+            else:
+                processed_adjustable_paths[name] = (name, hashed_name, processed)
+
+        paths = {path: paths[path] for path in adjustable_paths}
+        substitutions = False
+
+        for i in range(self.max_post_process_passes):
+            substitutions = False
+            for name, hashed_name, processed, subst in self._post_process(
+                paths, adjustable_paths, hashed_files
+            ):
+                # Overwrite since hashed_name may be newer.
+                processed_adjustable_paths[name] = (name, hashed_name, processed)
+                substitutions = substitutions or subst
+
+            if not substitutions:
+                break
+
+        if substitutions:
+            yield "All", None, RuntimeError("Max post-process passes exceeded.")
+
+        # Store the processed paths
+        self.hashed_files.update(hashed_files)
+
+        # Yield adjustable files with final, hashed name.
+        yield from processed_adjustable_paths.values()
+
+    def _post_process(self, paths, adjustable_paths, hashed_files):
+        # Sort the files by directory level
+        def path_level(name):
+            return len(name.split(os.sep))
+
+        for name in sorted(paths, key=path_level, reverse=True):
+            substitutions = True
+            # use the original, local file, not the copied-but-unprocessed
+            # file, which might be somewhere far away, like S3
+            storage, path = paths[name]
+            with storage.open(path) as original_file:
+                cleaned_name = self.clean_name(name)
+                hash_key = self.hash_key(cleaned_name)
+
+                # generate the hash with the original content, even for
+                # adjustable files.
+                if hash_key not in hashed_files:
+                    hashed_name = self.hashed_name(name, original_file)
+                else:
+                    hashed_name = hashed_files[hash_key]
+
+                # then get the original's file content..
+                if hasattr(original_file, "seek"):
+                    original_file.seek(0)
+
+                hashed_file_exists = self.exists(hashed_name)
+                processed = False
+
+                # ..to apply each replacement pattern to the content
+                if name in adjustable_paths:
+                    old_hashed_name = hashed_name
+                    try:
+                        content = original_file.read().decode("utf-8")
+                    except UnicodeDecodeError as exc:
+                        yield name, None, exc, False
+                    for extension, patterns in self._patterns.items():
+                        if matches_patterns(path, (extension,)):
+                            for pattern, template in patterns:
+                                converter = self.url_converter(
+                                    name, hashed_files, template
+                                )
+                                try:
+                                    content = pattern.sub(converter, content)
+                                except ValueError as exc:
+                                    yield name, None, exc, False
+                    if hashed_file_exists:
+                        self.delete(hashed_name)
+                    # then save the processed result
+                    content_file = ContentFile(content.encode())
+                    if self.keep_intermediate_files:
+                        # Save intermediate file for reference
+                        self._save(hashed_name, content_file)
+                    hashed_name = self.hashed_name(name, content_file)
+
+                    if self.exists(hashed_name):
+                        self.delete(hashed_name)
+
+                    saved_name = self._save(hashed_name, content_file)
+                    hashed_name = self.clean_name(saved_name)
+                    # If the file hash stayed the same, this file didn't change
+                    if old_hashed_name == hashed_name:
+                        substitutions = False
+                    processed = True
+
+                if not processed:
+                    # or handle the case in which neither processing nor
+                    # a change to the original file happened
+                    if not hashed_file_exists:
+                        processed = True
+                        saved_name = self._save(hashed_name, original_file)
+                        hashed_name = self.clean_name(saved_name)
+
+                # and then set the cache accordingly
+                hashed_files[hash_key] = hashed_name
+
+                yield name, hashed_name, processed, substitutions
+
+    def clean_name(self, name):
+        return name.replace("\\", "/")
+
+    def hash_key(self, name):
+        return name
+
+    def _stored_name(self, name, hashed_files):
+        # Normalize the path to avoid multiple names for the same file like
+        # ../foo/bar.css and ../foo/../foo/bar.css which normalize to the same
+        # path.
+        name = posixpath.normpath(name)
+        cleaned_name = self.clean_name(name)
+        hash_key = self.hash_key(cleaned_name)
+        cache_name = hashed_files.get(hash_key)
+        if cache_name is None:
+            cache_name = self.clean_name(self.hashed_name(name))
+        return cache_name
+
+    def stored_name(self, name):
+        cleaned_name = self.clean_name(name)
+        hash_key = self.hash_key(cleaned_name)
+        cache_name = self.hashed_files.get(hash_key)
+        if cache_name:
+            return cache_name
+        # No cached name found, recalculate it from the files.
+        intermediate_name = name
+        for i in range(self.max_post_process_passes + 1):
+            cache_name = self.clean_name(
+                self.hashed_name(name, content=None, filename=intermediate_name)
+            )
+            if intermediate_name == cache_name:
+                # Store the hashed name if there was a miss.
+                self.hashed_files[hash_key] = cache_name
+                return cache_name
+            else:
+                # Move on to the next intermediate file.
+                intermediate_name = cache_name
+        # If the cache name can't be determined after the max number of passes,
+        # the intermediate files on disk may be corrupt; avoid an infinite loop.
+        raise ValueError("The name '%s' could not be hashed with %r." % (name, self))
+
+
+class ManifestFilesMixin(HashedFilesMixin):
+    manifest_version = "1.1"  # the manifest format standard
+    manifest_name = "staticfiles.json"
+    manifest_strict = True
+    keep_intermediate_files = False
+
+    def __init__(self, *args, manifest_storage=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        if manifest_storage is None:
+            manifest_storage = self
+        self.manifest_storage = manifest_storage
+        self.hashed_files, self.manifest_hash = self.load_manifest()
+
+    def read_manifest(self):
+        try:
+            with self.manifest_storage.open(self.manifest_name) as manifest:
+                return manifest.read().decode()
+        except FileNotFoundError:
+            return None
+
+    def load_manifest(self):
+        content = self.read_manifest()
+        if content is None:
+            return {}, ""
+        try:
+            stored = json.loads(content)
+        except json.JSONDecodeError:
+            pass
+        else:
+            version = stored.get("version")
+            if version in ("1.0", "1.1"):
+                return stored.get("paths", {}), stored.get("hash", "")
+        raise ValueError(
+            "Couldn't load manifest '%s' (version %s)"
+            % (self.manifest_name, self.manifest_version)
+        )
+
+    def post_process(self, *args, **kwargs):
+        self.hashed_files = {}
+        yield from super().post_process(*args, **kwargs)
+        if not kwargs.get("dry_run"):
+            self.save_manifest()
+
+    def save_manifest(self):
+        self.manifest_hash = self.file_hash(
+            None, ContentFile(json.dumps(sorted(self.hashed_files.items())).encode())
+        )
+        payload = {
+            "paths": self.hashed_files,
+            "version": self.manifest_version,
+            "hash": self.manifest_hash,
+        }
+        if self.manifest_storage.exists(self.manifest_name):
+            self.manifest_storage.delete(self.manifest_name)
+        contents = json.dumps(payload).encode()
+        self.manifest_storage._save(self.manifest_name, ContentFile(contents))
+
+    def stored_name(self, name):
+        parsed_name = urlsplit(unquote(name))
+        clean_name = parsed_name.path.strip()
+        hash_key = self.hash_key(clean_name)
+        cache_name = self.hashed_files.get(hash_key)
+        if cache_name is None:
+            if self.manifest_strict:
+                raise ValueError(
+                    "Missing staticfiles manifest entry for '%s'" % clean_name
+                )
+            cache_name = self.clean_name(self.hashed_name(name))
+        unparsed_name = list(parsed_name)
+        unparsed_name[2] = cache_name
+        # Special casing for a @font-face hack, like url(myfont.eot?#iefix")
+        # http://www.fontspring.com/blog/the-new-bulletproof-font-face-syntax
+        if "?#" in name and not unparsed_name[3]:
+            unparsed_name[2] += "?"
+        return urlunsplit(unparsed_name)
+
+
+class ManifestStaticFilesStorage(ManifestFilesMixin, StaticFilesStorage):
+    """
+    A static file system storage backend which also saves
+    hashed copies of the files it saves.
+    """
+
+    pass
+
+
+class ConfiguredStorage(LazyObject):
+    def _setup(self):
+        self._wrapped = storages[STATICFILES_STORAGE_ALIAS]
+
+
+staticfiles_storage = ConfiguredStorage()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/testing.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/testing.py
new file mode 100644
index 00000000..546a24ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/testing.py
@@ -0,0 +1,13 @@
+from django.contrib.staticfiles.handlers import StaticFilesHandler
+from django.test import LiveServerTestCase
+
+
+class StaticLiveServerTestCase(LiveServerTestCase):
+    """
+    Extend django.test.LiveServerTestCase to transparently overlay at test
+    execution-time the assets provided by the staticfiles app finders. This
+    means you don't need to run collectstatic before or as a part of your tests
+    setup.
+    """
+
+    static_handler = StaticFilesHandler
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/urls.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/urls.py
new file mode 100644
index 00000000..6278f35b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/urls.py
@@ -0,0 +1,19 @@
+from django.conf import settings
+from django.conf.urls.static import static
+from django.contrib.staticfiles.views import serve
+
+urlpatterns = []
+
+
+def staticfiles_urlpatterns(prefix=None):
+    """
+    Helper function to return a URL pattern for serving static files.
+    """
+    if prefix is None:
+        prefix = settings.STATIC_URL
+    return static(prefix, view=serve)
+
+
+# Only append if urlpatterns are empty
+if settings.DEBUG and not urlpatterns:
+    urlpatterns += staticfiles_urlpatterns()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/utils.py
new file mode 100644
index 00000000..efd67ac8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/utils.py
@@ -0,0 +1,71 @@
+import fnmatch
+import os
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+
+
+def matches_patterns(path, patterns):
+    """
+    Return True or False depending on whether the ``path`` should be
+    ignored (if it matches any pattern in ``ignore_patterns``).
+    """
+    return any(fnmatch.fnmatchcase(path, pattern) for pattern in patterns)
+
+
+def get_files(storage, ignore_patterns=None, location=""):
+    """
+    Recursively walk the storage directories yielding the paths
+    of all files that should be copied.
+    """
+    if ignore_patterns is None:
+        ignore_patterns = []
+    directories, files = storage.listdir(location)
+    for fn in files:
+        # Match only the basename.
+        if matches_patterns(fn, ignore_patterns):
+            continue
+        if location:
+            fn = os.path.join(location, fn)
+            # Match the full file path.
+            if matches_patterns(fn, ignore_patterns):
+                continue
+        yield fn
+    for dir in directories:
+        if matches_patterns(dir, ignore_patterns):
+            continue
+        if location:
+            dir = os.path.join(location, dir)
+        yield from get_files(storage, ignore_patterns, dir)
+
+
+def check_settings(base_url=None):
+    """
+    Check if the staticfiles settings have sane values.
+    """
+    if base_url is None:
+        base_url = settings.STATIC_URL
+    if not base_url:
+        raise ImproperlyConfigured(
+            "You're using the staticfiles app "
+            "without having set the required STATIC_URL setting."
+        )
+    if settings.MEDIA_URL == base_url:
+        raise ImproperlyConfigured(
+            "The MEDIA_URL and STATIC_URL settings must have different values"
+        )
+    if (
+        settings.DEBUG
+        and settings.MEDIA_URL
+        and settings.STATIC_URL
+        and settings.MEDIA_URL.startswith(settings.STATIC_URL)
+    ):
+        raise ImproperlyConfigured(
+            "runserver can't serve media if MEDIA_URL is within STATIC_URL."
+        )
+    if (settings.MEDIA_ROOT and settings.STATIC_ROOT) and (
+        settings.MEDIA_ROOT == settings.STATIC_ROOT
+    ):
+        raise ImproperlyConfigured(
+            "The MEDIA_ROOT and STATIC_ROOT settings must have different values"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/views.py
new file mode 100644
index 00000000..3fb26773
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/staticfiles/views.py
@@ -0,0 +1,40 @@
+"""
+Views and functions for serving static files. These are only to be used during
+development, and SHOULD NOT be used in a production setting.
+
+"""
+
+import os
+import posixpath
+
+from django.conf import settings
+from django.contrib.staticfiles import finders
+from django.http import Http404
+from django.views import static
+
+
+def serve(request, path, insecure=False, **kwargs):
+    """
+    Serve static files below a given point in the directory structure or
+    from locations inferred from the staticfiles finders.
+
+    To use, put a URL pattern such as::
+
+        from django.contrib.staticfiles import views
+
+        path('<path:path>', views.serve)
+
+    in your URLconf.
+
+    It uses the django.views.static.serve() view to serve the found files.
+    """
+    if not settings.DEBUG and not insecure:
+        raise Http404
+    normalized_path = posixpath.normpath(path).lstrip("/")
+    absolute_path = finders.find(normalized_path)
+    if not absolute_path:
+        if path.endswith("/") or path == "":
+            raise Http404("Directory indexes are not allowed here.")
+        raise Http404("'%s' could not be found" % path)
+    document_root, path = os.path.split(absolute_path)
+    return static.serve(request, path, document_root=document_root, **kwargs)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/syndication/apps.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/syndication/apps.py
new file mode 100644
index 00000000..bb0f86aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/syndication/apps.py
@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class SyndicationConfig(AppConfig):
+    name = "django.contrib.syndication"
+    verbose_name = _("Syndication")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/syndication/views.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/syndication/views.py
new file mode 100644
index 00000000..2378a148
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/contrib/syndication/views.py
@@ -0,0 +1,234 @@
+from inspect import getattr_static, unwrap
+
+from django.contrib.sites.shortcuts import get_current_site
+from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist
+from django.http import Http404, HttpResponse
+from django.template import TemplateDoesNotExist, loader
+from django.utils import feedgenerator
+from django.utils.encoding import iri_to_uri
+from django.utils.html import escape
+from django.utils.http import http_date
+from django.utils.timezone import get_default_timezone, is_naive, make_aware
+from django.utils.translation import get_language
+
+
+def add_domain(domain, url, secure=False):
+    protocol = "https" if secure else "http"
+    if url.startswith("//"):
+        # Support network-path reference (see #16753) - RSS requires a protocol
+        url = "%s:%s" % (protocol, url)
+    elif not url.startswith(("http://", "https://", "mailto:")):
+        url = iri_to_uri("%s://%s%s" % (protocol, domain, url))
+    return url
+
+
+class FeedDoesNotExist(ObjectDoesNotExist):
+    pass
+
+
+class Feed:
+    feed_type = feedgenerator.DefaultFeed
+    title_template = None
+    description_template = None
+    language = None
+
+    def __call__(self, request, *args, **kwargs):
+        try:
+            obj = self.get_object(request, *args, **kwargs)
+        except ObjectDoesNotExist:
+            raise Http404("Feed object does not exist.")
+        feedgen = self.get_feed(obj, request)
+        response = HttpResponse(content_type=feedgen.content_type)
+        if hasattr(self, "item_pubdate") or hasattr(self, "item_updateddate"):
+            # if item_pubdate or item_updateddate is defined for the feed, set
+            # header so as ConditionalGetMiddleware is able to send 304 NOT MODIFIED
+            response.headers["Last-Modified"] = http_date(
+                feedgen.latest_post_date().timestamp()
+            )
+        feedgen.write(response, "utf-8")
+        return response
+
+    def item_title(self, item):
+        # Titles should be double escaped by default (see #6533)
+        return escape(str(item))
+
+    def item_description(self, item):
+        return str(item)
+
+    def item_link(self, item):
+        try:
+            return item.get_absolute_url()
+        except AttributeError:
+            raise ImproperlyConfigured(
+                "Give your %s class a get_absolute_url() method, or define an "
+                "item_link() method in your Feed class." % item.__class__.__name__
+            )
+
+    def item_enclosures(self, item):
+        enc_url = self._get_dynamic_attr("item_enclosure_url", item)
+        if enc_url:
+            enc = feedgenerator.Enclosure(
+                url=str(enc_url),
+                length=str(self._get_dynamic_attr("item_enclosure_length", item)),
+                mime_type=str(self._get_dynamic_attr("item_enclosure_mime_type", item)),
+            )
+            return [enc]
+        return []
+
+    def _get_dynamic_attr(self, attname, obj, default=None):
+        try:
+            attr = getattr(self, attname)
+        except AttributeError:
+            return default
+        if callable(attr):
+            # Check co_argcount rather than try/excepting the function and
+            # catching the TypeError, because something inside the function
+            # may raise the TypeError. This technique is more accurate.
+            func = unwrap(attr)
+            try:
+                code = func.__code__
+            except AttributeError:
+                func = unwrap(attr.__call__)
+                code = func.__code__
+            # If function doesn't have arguments and it is not a static method,
+            # it was decorated without using @functools.wraps.
+            if not code.co_argcount and not isinstance(
+                getattr_static(self, func.__name__, None), staticmethod
+            ):
+                raise ImproperlyConfigured(
+                    f"Feed method {attname!r} decorated by {func.__name__!r} needs to "
+                    f"use @functools.wraps."
+                )
+            if code.co_argcount == 2:  # one argument is 'self'
+                return attr(obj)
+            else:
+                return attr()
+        return attr
+
+    def feed_extra_kwargs(self, obj):
+        """
+        Return an extra keyword arguments dictionary that is used when
+        initializing the feed generator.
+        """
+        return {}
+
+    def item_extra_kwargs(self, item):
+        """
+        Return an extra keyword arguments dictionary that is used with
+        the `add_item` call of the feed generator.
+        """
+        return {}
+
+    def get_object(self, request, *args, **kwargs):
+        return None
+
+    def get_context_data(self, **kwargs):
+        """
+        Return a dictionary to use as extra context if either
+        ``self.description_template`` or ``self.item_template`` are used.
+
+        Default implementation preserves the old behavior
+        of using {'obj': item, 'site': current_site} as the context.
+        """
+        return {"obj": kwargs.get("item"), "site": kwargs.get("site")}
+
+    def get_feed(self, obj, request):
+        """
+        Return a feedgenerator.DefaultFeed object, fully populated, for
+        this feed. Raise FeedDoesNotExist for invalid parameters.
+        """
+        current_site = get_current_site(request)
+
+        link = self._get_dynamic_attr("link", obj)
+        link = add_domain(current_site.domain, link, request.is_secure())
+
+        feed = self.feed_type(
+            title=self._get_dynamic_attr("title", obj),
+            subtitle=self._get_dynamic_attr("subtitle", obj),
+            link=link,
+            description=self._get_dynamic_attr("description", obj),
+            language=self.language or get_language(),
+            feed_url=add_domain(
+                current_site.domain,
+                self._get_dynamic_attr("feed_url", obj) or request.path,
+                request.is_secure(),
+            ),
+            author_name=self._get_dynamic_attr("author_name", obj),
+            author_link=self._get_dynamic_attr("author_link", obj),
+            author_email=self._get_dynamic_attr("author_email", obj),
+            categories=self._get_dynamic_attr("categories", obj),
+            feed_copyright=self._get_dynamic_attr("feed_copyright", obj),
+            feed_guid=self._get_dynamic_attr("feed_guid", obj),
+            ttl=self._get_dynamic_attr("ttl", obj),
+            **self.feed_extra_kwargs(obj),
+        )
+
+        title_tmp = None
+        if self.title_template is not None:
+            try:
+                title_tmp = loader.get_template(self.title_template)
+            except TemplateDoesNotExist:
+                pass
+
+        description_tmp = None
+        if self.description_template is not None:
+            try:
+                description_tmp = loader.get_template(self.description_template)
+            except TemplateDoesNotExist:
+                pass
+
+        for item in self._get_dynamic_attr("items", obj):
+            context = self.get_context_data(
+                item=item, site=current_site, obj=obj, request=request
+            )
+            if title_tmp is not None:
+                title = title_tmp.render(context, request)
+            else:
+                title = self._get_dynamic_attr("item_title", item)
+            if description_tmp is not None:
+                description = description_tmp.render(context, request)
+            else:
+                description = self._get_dynamic_attr("item_description", item)
+            link = add_domain(
+                current_site.domain,
+                self._get_dynamic_attr("item_link", item),
+                request.is_secure(),
+            )
+            enclosures = self._get_dynamic_attr("item_enclosures", item)
+            author_name = self._get_dynamic_attr("item_author_name", item)
+            if author_name is not None:
+                author_email = self._get_dynamic_attr("item_author_email", item)
+                author_link = self._get_dynamic_attr("item_author_link", item)
+            else:
+                author_email = author_link = None
+
+            tz = get_default_timezone()
+
+            pubdate = self._get_dynamic_attr("item_pubdate", item)
+            if pubdate and is_naive(pubdate):
+                pubdate = make_aware(pubdate, tz)
+
+            updateddate = self._get_dynamic_attr("item_updateddate", item)
+            if updateddate and is_naive(updateddate):
+                updateddate = make_aware(updateddate, tz)
+
+            feed.add_item(
+                title=title,
+                link=link,
+                description=description,
+                unique_id=self._get_dynamic_attr("item_guid", item, link),
+                unique_id_is_permalink=self._get_dynamic_attr(
+                    "item_guid_is_permalink", item
+                ),
+                enclosures=enclosures,
+                pubdate=pubdate,
+                updateddate=updateddate,
+                author_name=author_name,
+                author_email=author_email,
+                author_link=author_link,
+                comments=self._get_dynamic_attr("item_comments", item),
+                categories=self._get_dynamic_attr("item_categories", item),
+                item_copyright=self._get_dynamic_attr("item_copyright", item),
+                **self.item_extra_kwargs(item),
+            )
+        return feed
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/asgi.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/asgi.py
new file mode 100644
index 00000000..0d846ccd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/asgi.py
@@ -0,0 +1,13 @@
+import django
+from django.core.handlers.asgi import ASGIHandler
+
+
+def get_asgi_application():
+    """
+    The public interface to Django's ASGI support. Return an ASGI 3 callable.
+
+    Avoids making django.core.handlers.ASGIHandler a public API, in case the
+    internal implementation changes or moves in the future.
+    """
+    django.setup(set_prefix=False)
+    return ASGIHandler()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/__init__.py
new file mode 100644
index 00000000..444d958e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/__init__.py
@@ -0,0 +1,67 @@
+"""
+Caching framework.
+
+This package defines set of cache backends that all conform to a simple API.
+In a nutshell, a cache is a set of values -- which can be any object that
+may be pickled -- identified by string keys.  For the complete API, see
+the abstract BaseCache class in django.core.cache.backends.base.
+
+Client code should use the `cache` variable defined here to access the default
+cache backend and look up non-default cache backends in the `caches` dict-like
+object.
+
+See docs/topics/cache.txt for information on the public API.
+"""
+
+from django.core import signals
+from django.core.cache.backends.base import (
+    BaseCache,
+    CacheKeyWarning,
+    InvalidCacheBackendError,
+    InvalidCacheKey,
+)
+from django.utils.connection import BaseConnectionHandler, ConnectionProxy
+from django.utils.module_loading import import_string
+
+__all__ = [
+    "cache",
+    "caches",
+    "DEFAULT_CACHE_ALIAS",
+    "InvalidCacheBackendError",
+    "CacheKeyWarning",
+    "BaseCache",
+    "InvalidCacheKey",
+]
+
+DEFAULT_CACHE_ALIAS = "default"
+
+
+class CacheHandler(BaseConnectionHandler):
+    settings_name = "CACHES"
+    exception_class = InvalidCacheBackendError
+
+    def create_connection(self, alias):
+        params = self.settings[alias].copy()
+        backend = params.pop("BACKEND")
+        location = params.pop("LOCATION", "")
+        try:
+            backend_cls = import_string(backend)
+        except ImportError as e:
+            raise InvalidCacheBackendError(
+                "Could not find backend '%s': %s" % (backend, e)
+            ) from e
+        return backend_cls(location, params)
+
+
+caches = CacheHandler()
+
+cache = ConnectionProxy(caches, DEFAULT_CACHE_ALIAS)
+
+
+def close_caches(**kwargs):
+    # Some caches need to do a cleanup at the end of a request cycle. If not
+    # implemented in a particular backend cache.close() is a no-op.
+    caches.close_all()
+
+
+signals.request_finished.connect(close_caches)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/base.py
new file mode 100644
index 00000000..09b0a5f9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/base.py
@@ -0,0 +1,405 @@
+"Base Cache class."
+import time
+import warnings
+
+from asgiref.sync import sync_to_async
+
+from django.core.exceptions import ImproperlyConfigured
+from django.utils.module_loading import import_string
+from django.utils.regex_helper import _lazy_re_compile
+
+
+class InvalidCacheBackendError(ImproperlyConfigured):
+    pass
+
+
+class CacheKeyWarning(RuntimeWarning):
+    pass
+
+
+class InvalidCacheKey(ValueError):
+    pass
+
+
+# Stub class to ensure not passing in a `timeout` argument results in
+# the default timeout
+DEFAULT_TIMEOUT = object()
+
+# Memcached does not accept keys longer than this.
+MEMCACHE_MAX_KEY_LENGTH = 250
+
+
+def default_key_func(key, key_prefix, version):
+    """
+    Default function to generate keys.
+
+    Construct the key used by all other methods. By default, prepend
+    the `key_prefix`. KEY_FUNCTION can be used to specify an alternate
+    function with custom key making behavior.
+    """
+    return "%s:%s:%s" % (key_prefix, version, key)
+
+
+def get_key_func(key_func):
+    """
+    Function to decide which key function to use.
+
+    Default to ``default_key_func``.
+    """
+    if key_func is not None:
+        if callable(key_func):
+            return key_func
+        else:
+            return import_string(key_func)
+    return default_key_func
+
+
+class BaseCache:
+    _missing_key = object()
+
+    def __init__(self, params):
+        timeout = params.get("timeout", params.get("TIMEOUT", 300))
+        if timeout is not None:
+            try:
+                timeout = int(timeout)
+            except (ValueError, TypeError):
+                timeout = 300
+        self.default_timeout = timeout
+
+        options = params.get("OPTIONS", {})
+        max_entries = params.get("max_entries", options.get("MAX_ENTRIES", 300))
+        try:
+            self._max_entries = int(max_entries)
+        except (ValueError, TypeError):
+            self._max_entries = 300
+
+        cull_frequency = params.get("cull_frequency", options.get("CULL_FREQUENCY", 3))
+        try:
+            self._cull_frequency = int(cull_frequency)
+        except (ValueError, TypeError):
+            self._cull_frequency = 3
+
+        self.key_prefix = params.get("KEY_PREFIX", "")
+        self.version = params.get("VERSION", 1)
+        self.key_func = get_key_func(params.get("KEY_FUNCTION"))
+
+    def get_backend_timeout(self, timeout=DEFAULT_TIMEOUT):
+        """
+        Return the timeout value usable by this backend based upon the provided
+        timeout.
+        """
+        if timeout == DEFAULT_TIMEOUT:
+            timeout = self.default_timeout
+        elif timeout == 0:
+            # ticket 21147 - avoid time.time() related precision issues
+            timeout = -1
+        return None if timeout is None else time.time() + timeout
+
+    def make_key(self, key, version=None):
+        """
+        Construct the key used by all other methods. By default, use the
+        key_func to generate a key (which, by default, prepends the
+        `key_prefix' and 'version'). A different key function can be provided
+        at the time of cache construction; alternatively, you can subclass the
+        cache backend to provide custom key making behavior.
+        """
+        if version is None:
+            version = self.version
+
+        return self.key_func(key, self.key_prefix, version)
+
+    def validate_key(self, key):
+        """
+        Warn about keys that would not be portable to the memcached
+        backend. This encourages (but does not force) writing backend-portable
+        cache code.
+        """
+        for warning in memcache_key_warnings(key):
+            warnings.warn(warning, CacheKeyWarning)
+
+    def make_and_validate_key(self, key, version=None):
+        """Helper to make and validate keys."""
+        key = self.make_key(key, version=version)
+        self.validate_key(key)
+        return key
+
+    def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        """
+        Set a value in the cache if the key does not already exist. If
+        timeout is given, use that timeout for the key; otherwise use the
+        default cache timeout.
+
+        Return True if the value was stored, False otherwise.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseCache must provide an add() method"
+        )
+
+    async def aadd(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        return await sync_to_async(self.add, thread_sensitive=True)(
+            key, value, timeout, version
+        )
+
+    def get(self, key, default=None, version=None):
+        """
+        Fetch a given key from the cache. If the key does not exist, return
+        default, which itself defaults to None.
+        """
+        raise NotImplementedError("subclasses of BaseCache must provide a get() method")
+
+    async def aget(self, key, default=None, version=None):
+        return await sync_to_async(self.get, thread_sensitive=True)(
+            key, default, version
+        )
+
+    def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        """
+        Set a value in the cache. If timeout is given, use that timeout for the
+        key; otherwise use the default cache timeout.
+        """
+        raise NotImplementedError("subclasses of BaseCache must provide a set() method")
+
+    async def aset(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        return await sync_to_async(self.set, thread_sensitive=True)(
+            key, value, timeout, version
+        )
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        """
+        Update the key's expiry time using timeout. Return True if successful
+        or False if the key does not exist.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseCache must provide a touch() method"
+        )
+
+    async def atouch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        return await sync_to_async(self.touch, thread_sensitive=True)(
+            key, timeout, version
+        )
+
+    def delete(self, key, version=None):
+        """
+        Delete a key from the cache and return whether it succeeded, failing
+        silently.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseCache must provide a delete() method"
+        )
+
+    async def adelete(self, key, version=None):
+        return await sync_to_async(self.delete, thread_sensitive=True)(key, version)
+
+    def get_many(self, keys, version=None):
+        """
+        Fetch a bunch of keys from the cache. For certain backends (memcached,
+        pgsql) this can be *much* faster when fetching multiple values.
+
+        Return a dict mapping each key in keys to its value. If the given
+        key is missing, it will be missing from the response dict.
+        """
+        d = {}
+        for k in keys:
+            val = self.get(k, self._missing_key, version=version)
+            if val is not self._missing_key:
+                d[k] = val
+        return d
+
+    async def aget_many(self, keys, version=None):
+        """See get_many()."""
+        d = {}
+        for k in keys:
+            val = await self.aget(k, self._missing_key, version=version)
+            if val is not self._missing_key:
+                d[k] = val
+        return d
+
+    def get_or_set(self, key, default, timeout=DEFAULT_TIMEOUT, version=None):
+        """
+        Fetch a given key from the cache. If the key does not exist,
+        add the key and set it to the default value. The default value can
+        also be any callable. If timeout is given, use that timeout for the
+        key; otherwise use the default cache timeout.
+
+        Return the value of the key stored or retrieved.
+        """
+        val = self.get(key, self._missing_key, version=version)
+        if val is self._missing_key:
+            if callable(default):
+                default = default()
+            self.add(key, default, timeout=timeout, version=version)
+            # Fetch the value again to avoid a race condition if another caller
+            # added a value between the first get() and the add() above.
+            return self.get(key, default, version=version)
+        return val
+
+    async def aget_or_set(self, key, default, timeout=DEFAULT_TIMEOUT, version=None):
+        """See get_or_set()."""
+        val = await self.aget(key, self._missing_key, version=version)
+        if val is self._missing_key:
+            if callable(default):
+                default = default()
+            await self.aadd(key, default, timeout=timeout, version=version)
+            # Fetch the value again to avoid a race condition if another caller
+            # added a value between the first aget() and the aadd() above.
+            return await self.aget(key, default, version=version)
+        return val
+
+    def has_key(self, key, version=None):
+        """
+        Return True if the key is in the cache and has not expired.
+        """
+        return (
+            self.get(key, self._missing_key, version=version) is not self._missing_key
+        )
+
+    async def ahas_key(self, key, version=None):
+        return (
+            await self.aget(key, self._missing_key, version=version)
+            is not self._missing_key
+        )
+
+    def incr(self, key, delta=1, version=None):
+        """
+        Add delta to value in the cache. If the key does not exist, raise a
+        ValueError exception.
+        """
+        value = self.get(key, self._missing_key, version=version)
+        if value is self._missing_key:
+            raise ValueError("Key '%s' not found" % key)
+        new_value = value + delta
+        self.set(key, new_value, version=version)
+        return new_value
+
+    async def aincr(self, key, delta=1, version=None):
+        """See incr()."""
+        value = await self.aget(key, self._missing_key, version=version)
+        if value is self._missing_key:
+            raise ValueError("Key '%s' not found" % key)
+        new_value = value + delta
+        await self.aset(key, new_value, version=version)
+        return new_value
+
+    def decr(self, key, delta=1, version=None):
+        """
+        Subtract delta from value in the cache. If the key does not exist, raise
+        a ValueError exception.
+        """
+        return self.incr(key, -delta, version=version)
+
+    async def adecr(self, key, delta=1, version=None):
+        return await self.aincr(key, -delta, version=version)
+
+    def __contains__(self, key):
+        """
+        Return True if the key is in the cache and has not expired.
+        """
+        # This is a separate method, rather than just a copy of has_key(),
+        # so that it always has the same functionality as has_key(), even
+        # if a subclass overrides it.
+        return self.has_key(key)
+
+    def set_many(self, data, timeout=DEFAULT_TIMEOUT, version=None):
+        """
+        Set a bunch of values in the cache at once from a dict of key/value
+        pairs.  For certain backends (memcached), this is much more efficient
+        than calling set() multiple times.
+
+        If timeout is given, use that timeout for the key; otherwise use the
+        default cache timeout.
+
+        On backends that support it, return a list of keys that failed
+        insertion, or an empty list if all keys were inserted successfully.
+        """
+        for key, value in data.items():
+            self.set(key, value, timeout=timeout, version=version)
+        return []
+
+    async def aset_many(self, data, timeout=DEFAULT_TIMEOUT, version=None):
+        for key, value in data.items():
+            await self.aset(key, value, timeout=timeout, version=version)
+        return []
+
+    def delete_many(self, keys, version=None):
+        """
+        Delete a bunch of values in the cache at once. For certain backends
+        (memcached), this is much more efficient than calling delete() multiple
+        times.
+        """
+        for key in keys:
+            self.delete(key, version=version)
+
+    async def adelete_many(self, keys, version=None):
+        for key in keys:
+            await self.adelete(key, version=version)
+
+    def clear(self):
+        """Remove *all* values from the cache at once."""
+        raise NotImplementedError(
+            "subclasses of BaseCache must provide a clear() method"
+        )
+
+    async def aclear(self):
+        return await sync_to_async(self.clear, thread_sensitive=True)()
+
+    def incr_version(self, key, delta=1, version=None):
+        """
+        Add delta to the cache version for the supplied key. Return the new
+        version.
+        """
+        if version is None:
+            version = self.version
+
+        value = self.get(key, self._missing_key, version=version)
+        if value is self._missing_key:
+            raise ValueError("Key '%s' not found" % key)
+
+        self.set(key, value, version=version + delta)
+        self.delete(key, version=version)
+        return version + delta
+
+    async def aincr_version(self, key, delta=1, version=None):
+        """See incr_version()."""
+        if version is None:
+            version = self.version
+
+        value = await self.aget(key, self._missing_key, version=version)
+        if value is self._missing_key:
+            raise ValueError("Key '%s' not found" % key)
+
+        await self.aset(key, value, version=version + delta)
+        await self.adelete(key, version=version)
+        return version + delta
+
+    def decr_version(self, key, delta=1, version=None):
+        """
+        Subtract delta from the cache version for the supplied key. Return the
+        new version.
+        """
+        return self.incr_version(key, -delta, version)
+
+    async def adecr_version(self, key, delta=1, version=None):
+        return await self.aincr_version(key, -delta, version)
+
+    def close(self, **kwargs):
+        """Close the cache connection"""
+        pass
+
+    async def aclose(self, **kwargs):
+        pass
+
+
+memcached_error_chars_re = _lazy_re_compile(r"[\x00-\x20\x7f]")
+
+
+def memcache_key_warnings(key):
+    if len(key) > MEMCACHE_MAX_KEY_LENGTH:
+        yield (
+            "Cache key will cause errors if used with memcached: %r "
+            "(longer than %s)" % (key, MEMCACHE_MAX_KEY_LENGTH)
+        )
+    if memcached_error_chars_re.search(key):
+        yield (
+            "Cache key contains characters that will cause errors if used with "
+            f"memcached: {key!r}"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/db.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/db.py
new file mode 100644
index 00000000..f4110517
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/db.py
@@ -0,0 +1,293 @@
+"Database cache backend."
+import base64
+import pickle
+from datetime import datetime, timezone
+
+from django.conf import settings
+from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
+from django.db import DatabaseError, connections, models, router, transaction
+from django.utils.timezone import now as tz_now
+
+
+class Options:
+    """A class that will quack like a Django model _meta class.
+
+    This allows cache operations to be controlled by the router
+    """
+
+    def __init__(self, table):
+        self.db_table = table
+        self.app_label = "django_cache"
+        self.model_name = "cacheentry"
+        self.verbose_name = "cache entry"
+        self.verbose_name_plural = "cache entries"
+        self.object_name = "CacheEntry"
+        self.abstract = False
+        self.managed = True
+        self.proxy = False
+        self.swapped = False
+
+
+class BaseDatabaseCache(BaseCache):
+    def __init__(self, table, params):
+        super().__init__(params)
+        self._table = table
+
+        class CacheEntry:
+            _meta = Options(table)
+
+        self.cache_model_class = CacheEntry
+
+
+class DatabaseCache(BaseDatabaseCache):
+    # This class uses cursors provided by the database connection. This means
+    # it reads expiration values as aware or naive datetimes, depending on the
+    # value of USE_TZ and whether the database supports time zones. The ORM's
+    # conversion and adaptation infrastructure is then used to avoid comparing
+    # aware and naive datetimes accidentally.
+
+    pickle_protocol = pickle.HIGHEST_PROTOCOL
+
+    def get(self, key, default=None, version=None):
+        return self.get_many([key], version).get(key, default)
+
+    def get_many(self, keys, version=None):
+        if not keys:
+            return {}
+
+        key_map = {
+            self.make_and_validate_key(key, version=version): key for key in keys
+        }
+
+        db = router.db_for_read(self.cache_model_class)
+        connection = connections[db]
+        quote_name = connection.ops.quote_name
+        table = quote_name(self._table)
+
+        with connection.cursor() as cursor:
+            cursor.execute(
+                "SELECT %s, %s, %s FROM %s WHERE %s IN (%s)"
+                % (
+                    quote_name("cache_key"),
+                    quote_name("value"),
+                    quote_name("expires"),
+                    table,
+                    quote_name("cache_key"),
+                    ", ".join(["%s"] * len(key_map)),
+                ),
+                list(key_map),
+            )
+            rows = cursor.fetchall()
+
+        result = {}
+        expired_keys = []
+        expression = models.Expression(output_field=models.DateTimeField())
+        converters = connection.ops.get_db_converters(
+            expression
+        ) + expression.get_db_converters(connection)
+        for key, value, expires in rows:
+            for converter in converters:
+                expires = converter(expires, expression, connection)
+            if expires < tz_now():
+                expired_keys.append(key)
+            else:
+                value = connection.ops.process_clob(value)
+                value = pickle.loads(base64.b64decode(value.encode()))
+                result[key_map.get(key)] = value
+        self._base_delete_many(expired_keys)
+        return result
+
+    def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        self._base_set("set", key, value, timeout)
+
+    def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._base_set("add", key, value, timeout)
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._base_set("touch", key, None, timeout)
+
+    def _base_set(self, mode, key, value, timeout=DEFAULT_TIMEOUT):
+        timeout = self.get_backend_timeout(timeout)
+        db = router.db_for_write(self.cache_model_class)
+        connection = connections[db]
+        quote_name = connection.ops.quote_name
+        table = quote_name(self._table)
+
+        with connection.cursor() as cursor:
+            cursor.execute("SELECT COUNT(*) FROM %s" % table)
+            num = cursor.fetchone()[0]
+            now = tz_now()
+            now = now.replace(microsecond=0)
+            if timeout is None:
+                exp = datetime.max
+            else:
+                tz = timezone.utc if settings.USE_TZ else None
+                exp = datetime.fromtimestamp(timeout, tz=tz)
+            exp = exp.replace(microsecond=0)
+            if num > self._max_entries:
+                self._cull(db, cursor, now, num)
+            pickled = pickle.dumps(value, self.pickle_protocol)
+            # The DB column is expecting a string, so make sure the value is a
+            # string, not bytes. Refs #19274.
+            b64encoded = base64.b64encode(pickled).decode("latin1")
+            try:
+                # Note: typecasting for datetimes is needed by some 3rd party
+                # database backends. All core backends work without typecasting,
+                # so be careful about changes here - test suite will NOT pick
+                # regressions.
+                with transaction.atomic(using=db):
+                    cursor.execute(
+                        "SELECT %s, %s FROM %s WHERE %s = %%s"
+                        % (
+                            quote_name("cache_key"),
+                            quote_name("expires"),
+                            table,
+                            quote_name("cache_key"),
+                        ),
+                        [key],
+                    )
+                    result = cursor.fetchone()
+
+                    if result:
+                        current_expires = result[1]
+                        expression = models.Expression(
+                            output_field=models.DateTimeField()
+                        )
+                        for converter in connection.ops.get_db_converters(
+                            expression
+                        ) + expression.get_db_converters(connection):
+                            current_expires = converter(
+                                current_expires, expression, connection
+                            )
+
+                    exp = connection.ops.adapt_datetimefield_value(exp)
+                    if result and mode == "touch":
+                        cursor.execute(
+                            "UPDATE %s SET %s = %%s WHERE %s = %%s"
+                            % (table, quote_name("expires"), quote_name("cache_key")),
+                            [exp, key],
+                        )
+                    elif result and (
+                        mode == "set" or (mode == "add" and current_expires < now)
+                    ):
+                        cursor.execute(
+                            "UPDATE %s SET %s = %%s, %s = %%s WHERE %s = %%s"
+                            % (
+                                table,
+                                quote_name("value"),
+                                quote_name("expires"),
+                                quote_name("cache_key"),
+                            ),
+                            [b64encoded, exp, key],
+                        )
+                    elif mode != "touch":
+                        cursor.execute(
+                            "INSERT INTO %s (%s, %s, %s) VALUES (%%s, %%s, %%s)"
+                            % (
+                                table,
+                                quote_name("cache_key"),
+                                quote_name("value"),
+                                quote_name("expires"),
+                            ),
+                            [key, b64encoded, exp],
+                        )
+                    else:
+                        return False  # touch failed.
+            except DatabaseError:
+                # To be threadsafe, updates/inserts are allowed to fail silently
+                return False
+            else:
+                return True
+
+    def delete(self, key, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._base_delete_many([key])
+
+    def delete_many(self, keys, version=None):
+        keys = [self.make_and_validate_key(key, version=version) for key in keys]
+        self._base_delete_many(keys)
+
+    def _base_delete_many(self, keys):
+        if not keys:
+            return False
+
+        db = router.db_for_write(self.cache_model_class)
+        connection = connections[db]
+        quote_name = connection.ops.quote_name
+        table = quote_name(self._table)
+
+        with connection.cursor() as cursor:
+            cursor.execute(
+                "DELETE FROM %s WHERE %s IN (%s)"
+                % (
+                    table,
+                    quote_name("cache_key"),
+                    ", ".join(["%s"] * len(keys)),
+                ),
+                keys,
+            )
+            return bool(cursor.rowcount)
+
+    def has_key(self, key, version=None):
+        key = self.make_and_validate_key(key, version=version)
+
+        db = router.db_for_read(self.cache_model_class)
+        connection = connections[db]
+        quote_name = connection.ops.quote_name
+
+        now = tz_now().replace(microsecond=0, tzinfo=None)
+
+        with connection.cursor() as cursor:
+            cursor.execute(
+                "SELECT %s FROM %s WHERE %s = %%s and %s > %%s"
+                % (
+                    quote_name("cache_key"),
+                    quote_name(self._table),
+                    quote_name("cache_key"),
+                    quote_name("expires"),
+                ),
+                [key, connection.ops.adapt_datetimefield_value(now)],
+            )
+            return cursor.fetchone() is not None
+
+    def _cull(self, db, cursor, now, num):
+        if self._cull_frequency == 0:
+            self.clear()
+        else:
+            connection = connections[db]
+            table = connection.ops.quote_name(self._table)
+            cursor.execute(
+                "DELETE FROM %s WHERE %s < %%s"
+                % (
+                    table,
+                    connection.ops.quote_name("expires"),
+                ),
+                [connection.ops.adapt_datetimefield_value(now)],
+            )
+            deleted_count = cursor.rowcount
+            remaining_num = num - deleted_count
+            if remaining_num > self._max_entries:
+                cull_num = remaining_num // self._cull_frequency
+                cursor.execute(
+                    connection.ops.cache_key_culling_sql() % table, [cull_num]
+                )
+                last_cache_key = cursor.fetchone()
+                if last_cache_key:
+                    cursor.execute(
+                        "DELETE FROM %s WHERE %s < %%s"
+                        % (
+                            table,
+                            connection.ops.quote_name("cache_key"),
+                        ),
+                        [last_cache_key[0]],
+                    )
+
+    def clear(self):
+        db = router.db_for_write(self.cache_model_class)
+        connection = connections[db]
+        table = connection.ops.quote_name(self._table)
+        with connection.cursor() as cursor:
+            cursor.execute("DELETE FROM %s" % table)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/dummy.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/dummy.py
new file mode 100644
index 00000000..7b4d3393
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/dummy.py
@@ -0,0 +1,34 @@
+"Dummy cache backend"
+
+from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
+
+
+class DummyCache(BaseCache):
+    def __init__(self, host, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+    def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        self.make_and_validate_key(key, version=version)
+        return True
+
+    def get(self, key, default=None, version=None):
+        self.make_and_validate_key(key, version=version)
+        return default
+
+    def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        self.make_and_validate_key(key, version=version)
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        self.make_and_validate_key(key, version=version)
+        return False
+
+    def delete(self, key, version=None):
+        self.make_and_validate_key(key, version=version)
+        return False
+
+    def has_key(self, key, version=None):
+        self.make_and_validate_key(key, version=version)
+        return False
+
+    def clear(self):
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/filebased.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/filebased.py
new file mode 100644
index 00000000..29d49c0e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/filebased.py
@@ -0,0 +1,170 @@
+"File-based cache backend"
+import glob
+import os
+import pickle
+import random
+import tempfile
+import time
+import zlib
+from hashlib import md5
+
+from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
+from django.core.files import locks
+from django.core.files.move import file_move_safe
+
+
+class FileBasedCache(BaseCache):
+    cache_suffix = ".djcache"
+    pickle_protocol = pickle.HIGHEST_PROTOCOL
+
+    def __init__(self, dir, params):
+        super().__init__(params)
+        self._dir = os.path.abspath(dir)
+        self._createdir()
+
+    def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        if self.has_key(key, version):
+            return False
+        self.set(key, value, timeout, version)
+        return True
+
+    def get(self, key, default=None, version=None):
+        fname = self._key_to_file(key, version)
+        try:
+            with open(fname, "rb") as f:
+                if not self._is_expired(f):
+                    return pickle.loads(zlib.decompress(f.read()))
+        except FileNotFoundError:
+            pass
+        return default
+
+    def _write_content(self, file, timeout, value):
+        expiry = self.get_backend_timeout(timeout)
+        file.write(pickle.dumps(expiry, self.pickle_protocol))
+        file.write(zlib.compress(pickle.dumps(value, self.pickle_protocol)))
+
+    def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        self._createdir()  # Cache dir can be deleted at any time.
+        fname = self._key_to_file(key, version)
+        self._cull()  # make some room if necessary
+        fd, tmp_path = tempfile.mkstemp(dir=self._dir)
+        renamed = False
+        try:
+            with open(fd, "wb") as f:
+                self._write_content(f, timeout, value)
+            file_move_safe(tmp_path, fname, allow_overwrite=True)
+            renamed = True
+        finally:
+            if not renamed:
+                os.remove(tmp_path)
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        try:
+            with open(self._key_to_file(key, version), "r+b") as f:
+                try:
+                    locks.lock(f, locks.LOCK_EX)
+                    if self._is_expired(f):
+                        return False
+                    else:
+                        previous_value = pickle.loads(zlib.decompress(f.read()))
+                        f.seek(0)
+                        self._write_content(f, timeout, previous_value)
+                        return True
+                finally:
+                    locks.unlock(f)
+        except FileNotFoundError:
+            return False
+
+    def delete(self, key, version=None):
+        return self._delete(self._key_to_file(key, version))
+
+    def _delete(self, fname):
+        if not fname.startswith(self._dir) or not os.path.exists(fname):
+            return False
+        try:
+            os.remove(fname)
+        except FileNotFoundError:
+            # The file may have been removed by another process.
+            return False
+        return True
+
+    def has_key(self, key, version=None):
+        fname = self._key_to_file(key, version)
+        try:
+            with open(fname, "rb") as f:
+                return not self._is_expired(f)
+        except FileNotFoundError:
+            return False
+
+    def _cull(self):
+        """
+        Remove random cache entries if max_entries is reached at a ratio
+        of num_entries / cull_frequency. A value of 0 for CULL_FREQUENCY means
+        that the entire cache will be purged.
+        """
+        filelist = self._list_cache_files()
+        num_entries = len(filelist)
+        if num_entries < self._max_entries:
+            return  # return early if no culling is required
+        if self._cull_frequency == 0:
+            return self.clear()  # Clear the cache when CULL_FREQUENCY = 0
+        # Delete a random selection of entries
+        filelist = random.sample(filelist, int(num_entries / self._cull_frequency))
+        for fname in filelist:
+            self._delete(fname)
+
+    def _createdir(self):
+        # Set the umask because os.makedirs() doesn't apply the "mode" argument
+        # to intermediate-level directories.
+        old_umask = os.umask(0o077)
+        try:
+            os.makedirs(self._dir, 0o700, exist_ok=True)
+        finally:
+            os.umask(old_umask)
+
+    def _key_to_file(self, key, version=None):
+        """
+        Convert a key into a cache file path. Basically this is the
+        root cache path joined with the md5sum of the key and a suffix.
+        """
+        key = self.make_and_validate_key(key, version=version)
+        return os.path.join(
+            self._dir,
+            "".join(
+                [
+                    md5(key.encode(), usedforsecurity=False).hexdigest(),
+                    self.cache_suffix,
+                ]
+            ),
+        )
+
+    def clear(self):
+        """
+        Remove all the cache files.
+        """
+        for fname in self._list_cache_files():
+            self._delete(fname)
+
+    def _is_expired(self, f):
+        """
+        Take an open cache file `f` and delete it if it's expired.
+        """
+        try:
+            exp = pickle.load(f)
+        except EOFError:
+            exp = 0  # An empty file is considered expired.
+        if exp is not None and exp < time.time():
+            f.close()  # On Windows a file has to be closed before deleting
+            self._delete(f.name)
+            return True
+        return False
+
+    def _list_cache_files(self):
+        """
+        Get a list of paths to all the cache files. These are all the files
+        in the root cache dir that end on the cache_suffix.
+        """
+        return [
+            os.path.join(self._dir, fname)
+            for fname in glob.glob1(self._dir, "*%s" % self.cache_suffix)
+        ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/locmem.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/locmem.py
new file mode 100644
index 00000000..cbc8dba5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/locmem.py
@@ -0,0 +1,117 @@
+"Thread-safe in-memory cache backend."
+import pickle
+import time
+from collections import OrderedDict
+from threading import Lock
+
+from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
+
+# Global in-memory store of cache data. Keyed by name, to provide
+# multiple named local memory caches.
+_caches = {}
+_expire_info = {}
+_locks = {}
+
+
+class LocMemCache(BaseCache):
+    pickle_protocol = pickle.HIGHEST_PROTOCOL
+
+    def __init__(self, name, params):
+        super().__init__(params)
+        self._cache = _caches.setdefault(name, OrderedDict())
+        self._expire_info = _expire_info.setdefault(name, {})
+        self._lock = _locks.setdefault(name, Lock())
+
+    def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        pickled = pickle.dumps(value, self.pickle_protocol)
+        with self._lock:
+            if self._has_expired(key):
+                self._set(key, pickled, timeout)
+                return True
+            return False
+
+    def get(self, key, default=None, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        with self._lock:
+            if self._has_expired(key):
+                self._delete(key)
+                return default
+            pickled = self._cache[key]
+            self._cache.move_to_end(key, last=False)
+        return pickle.loads(pickled)
+
+    def _set(self, key, value, timeout=DEFAULT_TIMEOUT):
+        if len(self._cache) >= self._max_entries:
+            self._cull()
+        self._cache[key] = value
+        self._cache.move_to_end(key, last=False)
+        self._expire_info[key] = self.get_backend_timeout(timeout)
+
+    def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        pickled = pickle.dumps(value, self.pickle_protocol)
+        with self._lock:
+            self._set(key, pickled, timeout)
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        with self._lock:
+            if self._has_expired(key):
+                return False
+            self._expire_info[key] = self.get_backend_timeout(timeout)
+            return True
+
+    def incr(self, key, delta=1, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        with self._lock:
+            if self._has_expired(key):
+                self._delete(key)
+                raise ValueError("Key '%s' not found" % key)
+            pickled = self._cache[key]
+            value = pickle.loads(pickled)
+            new_value = value + delta
+            pickled = pickle.dumps(new_value, self.pickle_protocol)
+            self._cache[key] = pickled
+            self._cache.move_to_end(key, last=False)
+        return new_value
+
+    def has_key(self, key, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        with self._lock:
+            if self._has_expired(key):
+                self._delete(key)
+                return False
+            return True
+
+    def _has_expired(self, key):
+        exp = self._expire_info.get(key, -1)
+        return exp is not None and exp <= time.time()
+
+    def _cull(self):
+        if self._cull_frequency == 0:
+            self._cache.clear()
+            self._expire_info.clear()
+        else:
+            count = len(self._cache) // self._cull_frequency
+            for i in range(count):
+                key, _ = self._cache.popitem()
+                del self._expire_info[key]
+
+    def _delete(self, key):
+        try:
+            del self._cache[key]
+            del self._expire_info[key]
+        except KeyError:
+            return False
+        return True
+
+    def delete(self, key, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        with self._lock:
+            return self._delete(key)
+
+    def clear(self):
+        with self._lock:
+            self._cache.clear()
+            self._expire_info.clear()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/memcached.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/memcached.py
new file mode 100644
index 00000000..6e2c7615
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/memcached.py
@@ -0,0 +1,188 @@
+"Memcached cache backend"
+
+import re
+import time
+
+from django.core.cache.backends.base import (
+    DEFAULT_TIMEOUT,
+    BaseCache,
+    InvalidCacheKey,
+    memcache_key_warnings,
+)
+from django.utils.functional import cached_property
+
+
+class BaseMemcachedCache(BaseCache):
+    def __init__(self, server, params, library, value_not_found_exception):
+        super().__init__(params)
+        if isinstance(server, str):
+            self._servers = re.split("[;,]", server)
+        else:
+            self._servers = server
+
+        # Exception type raised by the underlying client library for a
+        # nonexistent key.
+        self.LibraryValueNotFoundException = value_not_found_exception
+
+        self._lib = library
+        self._class = library.Client
+        self._options = params.get("OPTIONS") or {}
+
+    @property
+    def client_servers(self):
+        return self._servers
+
+    @cached_property
+    def _cache(self):
+        """
+        Implement transparent thread-safe access to a memcached client.
+        """
+        return self._class(self.client_servers, **self._options)
+
+    def get_backend_timeout(self, timeout=DEFAULT_TIMEOUT):
+        """
+        Memcached deals with long (> 30 days) timeouts in a special
+        way. Call this function to obtain a safe value for your timeout.
+        """
+        if timeout == DEFAULT_TIMEOUT:
+            timeout = self.default_timeout
+
+        if timeout is None:
+            # Using 0 in memcache sets a non-expiring timeout.
+            return 0
+        elif int(timeout) == 0:
+            # Other cache backends treat 0 as set-and-expire. To achieve this
+            # in memcache backends, a negative timeout must be passed.
+            timeout = -1
+
+        if timeout > 2592000:  # 60*60*24*30, 30 days
+            # See https://github.com/memcached/memcached/wiki/Programming#expiration
+            # "Expiration times can be set from 0, meaning "never expire", to
+            # 30 days. Any time higher than 30 days is interpreted as a Unix
+            # timestamp date. If you want to expire an object on January 1st of
+            # next year, this is how you do that."
+            #
+            # This means that we have to switch to absolute timestamps.
+            timeout += int(time.time())
+        return int(timeout)
+
+    def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.add(key, value, self.get_backend_timeout(timeout))
+
+    def get(self, key, default=None, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.get(key, default)
+
+    def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        if not self._cache.set(key, value, self.get_backend_timeout(timeout)):
+            # Make sure the key doesn't keep its old value in case of failure
+            # to set (memcached's 1MB limit).
+            self._cache.delete(key)
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return bool(self._cache.touch(key, self.get_backend_timeout(timeout)))
+
+    def delete(self, key, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return bool(self._cache.delete(key))
+
+    def get_many(self, keys, version=None):
+        key_map = {
+            self.make_and_validate_key(key, version=version): key for key in keys
+        }
+        ret = self._cache.get_multi(key_map.keys())
+        return {key_map[k]: v for k, v in ret.items()}
+
+    def close(self, **kwargs):
+        # Many clients don't clean up connections properly.
+        self._cache.disconnect_all()
+
+    def incr(self, key, delta=1, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        try:
+            # Memcached doesn't support negative delta.
+            if delta < 0:
+                val = self._cache.decr(key, -delta)
+            else:
+                val = self._cache.incr(key, delta)
+        # Normalize an exception raised by the underlying client library to
+        # ValueError in the event of a nonexistent key when calling
+        # incr()/decr().
+        except self.LibraryValueNotFoundException:
+            val = None
+        if val is None:
+            raise ValueError("Key '%s' not found" % key)
+        return val
+
+    def set_many(self, data, timeout=DEFAULT_TIMEOUT, version=None):
+        safe_data = {}
+        original_keys = {}
+        for key, value in data.items():
+            safe_key = self.make_and_validate_key(key, version=version)
+            safe_data[safe_key] = value
+            original_keys[safe_key] = key
+        failed_keys = self._cache.set_multi(
+            safe_data, self.get_backend_timeout(timeout)
+        )
+        return [original_keys[k] for k in failed_keys]
+
+    def delete_many(self, keys, version=None):
+        keys = [self.make_and_validate_key(key, version=version) for key in keys]
+        self._cache.delete_multi(keys)
+
+    def clear(self):
+        self._cache.flush_all()
+
+    def validate_key(self, key):
+        for warning in memcache_key_warnings(key):
+            raise InvalidCacheKey(warning)
+
+
+class PyLibMCCache(BaseMemcachedCache):
+    "An implementation of a cache binding using pylibmc"
+
+    def __init__(self, server, params):
+        import pylibmc
+
+        super().__init__(
+            server, params, library=pylibmc, value_not_found_exception=pylibmc.NotFound
+        )
+
+    @property
+    def client_servers(self):
+        output = []
+        for server in self._servers:
+            output.append(server.removeprefix("unix:"))
+        return output
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        if timeout == 0:
+            return self._cache.delete(key)
+        return self._cache.touch(key, self.get_backend_timeout(timeout))
+
+    def close(self, **kwargs):
+        # libmemcached manages its own connections. Don't call disconnect_all()
+        # as it resets the failover state and creates unnecessary reconnects.
+        pass
+
+
+class PyMemcacheCache(BaseMemcachedCache):
+    """An implementation of a cache binding using pymemcache."""
+
+    def __init__(self, server, params):
+        import pymemcache.serde
+
+        super().__init__(
+            server, params, library=pymemcache, value_not_found_exception=KeyError
+        )
+        self._class = self._lib.HashClient
+        self._options = {
+            "allow_unicode_keys": True,
+            "default_noreply": False,
+            "serde": pymemcache.serde.pickle_serde,
+            **self._options,
+        }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/redis.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/redis.py
new file mode 100644
index 00000000..eda8ac94
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/backends/redis.py
@@ -0,0 +1,233 @@
+"""Redis cache backend."""
+
+import pickle
+import random
+import re
+
+from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+
+
+class RedisSerializer:
+    def __init__(self, protocol=None):
+        self.protocol = pickle.HIGHEST_PROTOCOL if protocol is None else protocol
+
+    def dumps(self, obj):
+        # Only skip pickling for integers, a int subclasses as bool should be
+        # pickled.
+        if type(obj) is int:
+            return obj
+        return pickle.dumps(obj, self.protocol)
+
+    def loads(self, data):
+        try:
+            return int(data)
+        except ValueError:
+            return pickle.loads(data)
+
+
+class RedisCacheClient:
+    def __init__(
+        self,
+        servers,
+        serializer=None,
+        pool_class=None,
+        parser_class=None,
+        **options,
+    ):
+        import redis
+
+        self._lib = redis
+        self._servers = servers
+        self._pools = {}
+
+        self._client = self._lib.Redis
+
+        if isinstance(pool_class, str):
+            pool_class = import_string(pool_class)
+        self._pool_class = pool_class or self._lib.ConnectionPool
+
+        if isinstance(serializer, str):
+            serializer = import_string(serializer)
+        if callable(serializer):
+            serializer = serializer()
+        self._serializer = serializer or RedisSerializer()
+
+        if isinstance(parser_class, str):
+            parser_class = import_string(parser_class)
+        parser_class = parser_class or self._lib.connection.DefaultParser
+
+        self._pool_options = {"parser_class": parser_class, **options}
+
+    def _get_connection_pool_index(self, write):
+        # Write to the first server. Read from other servers if there are more,
+        # otherwise read from the first server.
+        if write or len(self._servers) == 1:
+            return 0
+        return random.randint(1, len(self._servers) - 1)
+
+    def _get_connection_pool(self, write):
+        index = self._get_connection_pool_index(write)
+        if index not in self._pools:
+            self._pools[index] = self._pool_class.from_url(
+                self._servers[index],
+                **self._pool_options,
+            )
+        return self._pools[index]
+
+    def get_client(self, key=None, *, write=False):
+        # key is used so that the method signature remains the same and custom
+        # cache client can be implemented which might require the key to select
+        # the server, e.g. sharding.
+        pool = self._get_connection_pool(write)
+        return self._client(connection_pool=pool)
+
+    def add(self, key, value, timeout):
+        client = self.get_client(key, write=True)
+        value = self._serializer.dumps(value)
+
+        if timeout == 0:
+            if ret := bool(client.set(key, value, nx=True)):
+                client.delete(key)
+            return ret
+        else:
+            return bool(client.set(key, value, ex=timeout, nx=True))
+
+    def get(self, key, default):
+        client = self.get_client(key)
+        value = client.get(key)
+        return default if value is None else self._serializer.loads(value)
+
+    def set(self, key, value, timeout):
+        client = self.get_client(key, write=True)
+        value = self._serializer.dumps(value)
+        if timeout == 0:
+            client.delete(key)
+        else:
+            client.set(key, value, ex=timeout)
+
+    def touch(self, key, timeout):
+        client = self.get_client(key, write=True)
+        if timeout is None:
+            return bool(client.persist(key))
+        else:
+            return bool(client.expire(key, timeout))
+
+    def delete(self, key):
+        client = self.get_client(key, write=True)
+        return bool(client.delete(key))
+
+    def get_many(self, keys):
+        client = self.get_client(None)
+        ret = client.mget(keys)
+        return {
+            k: self._serializer.loads(v) for k, v in zip(keys, ret) if v is not None
+        }
+
+    def has_key(self, key):
+        client = self.get_client(key)
+        return bool(client.exists(key))
+
+    def incr(self, key, delta):
+        client = self.get_client(key, write=True)
+        if not client.exists(key):
+            raise ValueError("Key '%s' not found." % key)
+        return client.incr(key, delta)
+
+    def set_many(self, data, timeout):
+        client = self.get_client(None, write=True)
+        pipeline = client.pipeline()
+        pipeline.mset({k: self._serializer.dumps(v) for k, v in data.items()})
+
+        if timeout is not None:
+            # Setting timeout for each key as redis does not support timeout
+            # with mset().
+            for key in data:
+                pipeline.expire(key, timeout)
+        pipeline.execute()
+
+    def delete_many(self, keys):
+        client = self.get_client(None, write=True)
+        client.delete(*keys)
+
+    def clear(self):
+        client = self.get_client(None, write=True)
+        return bool(client.flushdb())
+
+
+class RedisCache(BaseCache):
+    def __init__(self, server, params):
+        super().__init__(params)
+        if isinstance(server, str):
+            self._servers = re.split("[;,]", server)
+        else:
+            self._servers = server
+
+        self._class = RedisCacheClient
+        self._options = params.get("OPTIONS", {})
+
+    @cached_property
+    def _cache(self):
+        return self._class(self._servers, **self._options)
+
+    def get_backend_timeout(self, timeout=DEFAULT_TIMEOUT):
+        if timeout == DEFAULT_TIMEOUT:
+            timeout = self.default_timeout
+        # The key will be made persistent if None used as a timeout.
+        # Non-positive values will cause the key to be deleted.
+        return None if timeout is None else max(0, int(timeout))
+
+    def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.add(key, value, self.get_backend_timeout(timeout))
+
+    def get(self, key, default=None, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.get(key, default)
+
+    def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        self._cache.set(key, value, self.get_backend_timeout(timeout))
+
+    def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.touch(key, self.get_backend_timeout(timeout))
+
+    def delete(self, key, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.delete(key)
+
+    def get_many(self, keys, version=None):
+        key_map = {
+            self.make_and_validate_key(key, version=version): key for key in keys
+        }
+        ret = self._cache.get_many(key_map.keys())
+        return {key_map[k]: v for k, v in ret.items()}
+
+    def has_key(self, key, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.has_key(key)
+
+    def incr(self, key, delta=1, version=None):
+        key = self.make_and_validate_key(key, version=version)
+        return self._cache.incr(key, delta)
+
+    def set_many(self, data, timeout=DEFAULT_TIMEOUT, version=None):
+        if not data:
+            return []
+        safe_data = {}
+        for key, value in data.items():
+            key = self.make_and_validate_key(key, version=version)
+            safe_data[key] = value
+        self._cache.set_many(safe_data, self.get_backend_timeout(timeout))
+        return []
+
+    def delete_many(self, keys, version=None):
+        if not keys:
+            return
+        safe_keys = [self.make_and_validate_key(key, version=version) for key in keys]
+        self._cache.delete_many(safe_keys)
+
+    def clear(self):
+        return self._cache.clear()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/utils.py
new file mode 100644
index 00000000..87f0f9cb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/cache/utils.py
@@ -0,0 +1,12 @@
+from hashlib import md5
+
+TEMPLATE_FRAGMENT_KEY_TEMPLATE = "template.cache.%s.%s"
+
+
+def make_template_fragment_key(fragment_name, vary_on=None):
+    hasher = md5(usedforsecurity=False)
+    if vary_on is not None:
+        for arg in vary_on:
+            hasher.update(str(arg).encode())
+            hasher.update(b":")
+    return TEMPLATE_FRAGMENT_KEY_TEMPLATE % (fragment_name, hasher.hexdigest())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/__init__.py
new file mode 100644
index 00000000..998ab9de
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/__init__.py
@@ -0,0 +1,47 @@
+from .messages import (
+    CRITICAL,
+    DEBUG,
+    ERROR,
+    INFO,
+    WARNING,
+    CheckMessage,
+    Critical,
+    Debug,
+    Error,
+    Info,
+    Warning,
+)
+from .registry import Tags, register, run_checks, tag_exists
+
+# Import these to force registration of checks
+import django.core.checks.async_checks  # NOQA isort:skip
+import django.core.checks.caches  # NOQA isort:skip
+import django.core.checks.compatibility.django_4_0  # NOQA isort:skip
+import django.core.checks.database  # NOQA isort:skip
+import django.core.checks.files  # NOQA isort:skip
+import django.core.checks.model_checks  # NOQA isort:skip
+import django.core.checks.security.base  # NOQA isort:skip
+import django.core.checks.security.csrf  # NOQA isort:skip
+import django.core.checks.security.sessions  # NOQA isort:skip
+import django.core.checks.templates  # NOQA isort:skip
+import django.core.checks.translation  # NOQA isort:skip
+import django.core.checks.urls  # NOQA isort:skip
+
+
+__all__ = [
+    "CheckMessage",
+    "Debug",
+    "Info",
+    "Warning",
+    "Error",
+    "Critical",
+    "DEBUG",
+    "INFO",
+    "WARNING",
+    "ERROR",
+    "CRITICAL",
+    "register",
+    "run_checks",
+    "tag_exists",
+    "Tags",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/__pycache__/urls.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/__pycache__/urls.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/async_checks.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/async_checks.py
new file mode 100644
index 00000000..a0e01867
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/async_checks.py
@@ -0,0 +1,16 @@
+import os
+
+from . import Error, Tags, register
+
+E001 = Error(
+    "You should not set the DJANGO_ALLOW_ASYNC_UNSAFE environment variable in "
+    "deployment. This disables async safety protection.",
+    id="async.E001",
+)
+
+
+@register(Tags.async_support, deploy=True)
+def check_async_unsafe(app_configs, **kwargs):
+    if os.environ.get("DJANGO_ALLOW_ASYNC_UNSAFE"):
+        return [E001]
+    return []
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/caches.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/caches.py
new file mode 100644
index 00000000..c288a6ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/caches.py
@@ -0,0 +1,76 @@
+import pathlib
+
+from django.conf import settings
+from django.core.cache import DEFAULT_CACHE_ALIAS, caches
+from django.core.cache.backends.filebased import FileBasedCache
+
+from . import Error, Tags, Warning, register
+
+E001 = Error(
+    "You must define a '%s' cache in your CACHES setting." % DEFAULT_CACHE_ALIAS,
+    id="caches.E001",
+)
+
+
+@register(Tags.caches)
+def check_default_cache_is_configured(app_configs, **kwargs):
+    if DEFAULT_CACHE_ALIAS not in settings.CACHES:
+        return [E001]
+    return []
+
+
+@register(Tags.caches, deploy=True)
+def check_cache_location_not_exposed(app_configs, **kwargs):
+    errors = []
+    for name in ("MEDIA_ROOT", "STATIC_ROOT", "STATICFILES_DIRS"):
+        setting = getattr(settings, name, None)
+        if not setting:
+            continue
+        if name == "STATICFILES_DIRS":
+            paths = set()
+            for staticfiles_dir in setting:
+                if isinstance(staticfiles_dir, (list, tuple)):
+                    _, staticfiles_dir = staticfiles_dir
+                paths.add(pathlib.Path(staticfiles_dir).resolve())
+        else:
+            paths = {pathlib.Path(setting).resolve()}
+        for alias in settings.CACHES:
+            cache = caches[alias]
+            if not isinstance(cache, FileBasedCache):
+                continue
+            cache_path = pathlib.Path(cache._dir).resolve()
+            if any(path == cache_path for path in paths):
+                relation = "matches"
+            elif any(path in cache_path.parents for path in paths):
+                relation = "is inside"
+            elif any(cache_path in path.parents for path in paths):
+                relation = "contains"
+            else:
+                continue
+            errors.append(
+                Warning(
+                    f"Your '{alias}' cache configuration might expose your cache "
+                    f"or lead to corruption of your data because its LOCATION "
+                    f"{relation} {name}.",
+                    id="caches.W002",
+                )
+            )
+    return errors
+
+
+@register(Tags.caches)
+def check_file_based_cache_is_absolute(app_configs, **kwargs):
+    errors = []
+    for alias, config in settings.CACHES.items():
+        cache = caches[alias]
+        if not isinstance(cache, FileBasedCache):
+            continue
+        if not pathlib.Path(config["LOCATION"]).is_absolute():
+            errors.append(
+                Warning(
+                    f"Your '{alias}' cache LOCATION path is relative. Use an "
+                    f"absolute path instead.",
+                    id="caches.W003",
+                )
+            )
+    return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/compatibility/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/compatibility/__init__.py
new file mode 100644
index 00000000..e69de29b
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/compatibility/__pycache__/django_4_0.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/compatibility/__pycache__/django_4_0.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/compatibility/django_4_0.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/compatibility/django_4_0.py
new file mode 100644
index 00000000..79ee5fa6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/compatibility/django_4_0.py
@@ -0,0 +1,20 @@
+from django.conf import settings
+
+from .. import Error, Tags, register
+
+
+@register(Tags.compatibility)
+def check_csrf_trusted_origins(app_configs, **kwargs):
+    errors = []
+    for origin in settings.CSRF_TRUSTED_ORIGINS:
+        if "://" not in origin:
+            errors.append(
+                Error(
+                    "As of Django 4.0, the values in the CSRF_TRUSTED_ORIGINS "
+                    "setting must start with a scheme (usually http:// or "
+                    "https://) but found %s. See the release notes for details."
+                    % origin,
+                    id="4_0.E001",
+                )
+            )
+    return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/database.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/database.py
new file mode 100644
index 00000000..d125f1ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/database.py
@@ -0,0 +1,14 @@
+from django.db import connections
+
+from . import Tags, register
+
+
+@register(Tags.database)
+def check_database_backends(databases=None, **kwargs):
+    if databases is None:
+        return []
+    issues = []
+    for alias in databases:
+        conn = connections[alias]
+        issues.extend(conn.validation.check(**kwargs))
+    return issues
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/files.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/files.py
new file mode 100644
index 00000000..40dc7458
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/files.py
@@ -0,0 +1,19 @@
+from pathlib import Path
+
+from django.conf import settings
+
+from . import Error, Tags, register
+
+
+@register(Tags.files)
+def check_setting_file_upload_temp_dir(app_configs, **kwargs):
+    setting = getattr(settings, "FILE_UPLOAD_TEMP_DIR", None)
+    if setting and not Path(setting).is_dir():
+        return [
+            Error(
+                f"The FILE_UPLOAD_TEMP_DIR setting refers to the nonexistent "
+                f"directory '{setting}'.",
+                id="files.E001",
+            ),
+        ]
+    return []
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/messages.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/messages.py
new file mode 100644
index 00000000..db7aa551
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/messages.py
@@ -0,0 +1,81 @@
+# Levels
+DEBUG = 10
+INFO = 20
+WARNING = 30
+ERROR = 40
+CRITICAL = 50
+
+
+class CheckMessage:
+    def __init__(self, level, msg, hint=None, obj=None, id=None):
+        if not isinstance(level, int):
+            raise TypeError("The first argument should be level.")
+        self.level = level
+        self.msg = msg
+        self.hint = hint
+        self.obj = obj
+        self.id = id
+
+    def __eq__(self, other):
+        return isinstance(other, self.__class__) and all(
+            getattr(self, attr) == getattr(other, attr)
+            for attr in ["level", "msg", "hint", "obj", "id"]
+        )
+
+    def __str__(self):
+        from django.db import models
+
+        if self.obj is None:
+            obj = "?"
+        elif isinstance(self.obj, models.base.ModelBase):
+            # We need to hardcode ModelBase and Field cases because its __str__
+            # method doesn't return "applabel.modellabel" and cannot be changed.
+            obj = self.obj._meta.label
+        else:
+            obj = str(self.obj)
+        id = "(%s) " % self.id if self.id else ""
+        hint = "\n\tHINT: %s" % self.hint if self.hint else ""
+        return "%s: %s%s%s" % (obj, id, self.msg, hint)
+
+    def __repr__(self):
+        return "<%s: level=%r, msg=%r, hint=%r, obj=%r, id=%r>" % (
+            self.__class__.__name__,
+            self.level,
+            self.msg,
+            self.hint,
+            self.obj,
+            self.id,
+        )
+
+    def is_serious(self, level=ERROR):
+        return self.level >= level
+
+    def is_silenced(self):
+        from django.conf import settings
+
+        return self.id in settings.SILENCED_SYSTEM_CHECKS
+
+
+class Debug(CheckMessage):
+    def __init__(self, *args, **kwargs):
+        super().__init__(DEBUG, *args, **kwargs)
+
+
+class Info(CheckMessage):
+    def __init__(self, *args, **kwargs):
+        super().__init__(INFO, *args, **kwargs)
+
+
+class Warning(CheckMessage):
+    def __init__(self, *args, **kwargs):
+        super().__init__(WARNING, *args, **kwargs)
+
+
+class Error(CheckMessage):
+    def __init__(self, *args, **kwargs):
+        super().__init__(ERROR, *args, **kwargs)
+
+
+class Critical(CheckMessage):
+    def __init__(self, *args, **kwargs):
+        super().__init__(CRITICAL, *args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/model_checks.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/model_checks.py
new file mode 100644
index 00000000..7a5bef9b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/model_checks.py
@@ -0,0 +1,227 @@
+import inspect
+import types
+from collections import defaultdict
+from itertools import chain
+
+from django.apps import apps
+from django.conf import settings
+from django.core.checks import Error, Tags, Warning, register
+
+
+@register(Tags.models)
+def check_all_models(app_configs=None, **kwargs):
+    db_table_models = defaultdict(list)
+    indexes = defaultdict(list)
+    constraints = defaultdict(list)
+    errors = []
+    if app_configs is None:
+        models = apps.get_models()
+    else:
+        models = chain.from_iterable(
+            app_config.get_models() for app_config in app_configs
+        )
+    for model in models:
+        if model._meta.managed and not model._meta.proxy:
+            db_table_models[model._meta.db_table].append(model._meta.label)
+        if not inspect.ismethod(model.check):
+            errors.append(
+                Error(
+                    "The '%s.check()' class method is currently overridden by %r."
+                    % (model.__name__, model.check),
+                    obj=model,
+                    id="models.E020",
+                )
+            )
+        else:
+            errors.extend(model.check(**kwargs))
+        for model_index in model._meta.indexes:
+            indexes[model_index.name].append(model._meta.label)
+        for model_constraint in model._meta.constraints:
+            constraints[model_constraint.name].append(model._meta.label)
+    if settings.DATABASE_ROUTERS:
+        error_class, error_id = Warning, "models.W035"
+        error_hint = (
+            "You have configured settings.DATABASE_ROUTERS. Verify that %s "
+            "are correctly routed to separate databases."
+        )
+    else:
+        error_class, error_id = Error, "models.E028"
+        error_hint = None
+    for db_table, model_labels in db_table_models.items():
+        if len(model_labels) != 1:
+            model_labels_str = ", ".join(model_labels)
+            errors.append(
+                error_class(
+                    "db_table '%s' is used by multiple models: %s."
+                    % (db_table, model_labels_str),
+                    obj=db_table,
+                    hint=(error_hint % model_labels_str) if error_hint else None,
+                    id=error_id,
+                )
+            )
+    for index_name, model_labels in indexes.items():
+        if len(model_labels) > 1:
+            model_labels = set(model_labels)
+            errors.append(
+                Error(
+                    "index name '%s' is not unique %s %s."
+                    % (
+                        index_name,
+                        "for model" if len(model_labels) == 1 else "among models:",
+                        ", ".join(sorted(model_labels)),
+                    ),
+                    id="models.E029" if len(model_labels) == 1 else "models.E030",
+                ),
+            )
+    for constraint_name, model_labels in constraints.items():
+        if len(model_labels) > 1:
+            model_labels = set(model_labels)
+            errors.append(
+                Error(
+                    "constraint name '%s' is not unique %s %s."
+                    % (
+                        constraint_name,
+                        "for model" if len(model_labels) == 1 else "among models:",
+                        ", ".join(sorted(model_labels)),
+                    ),
+                    id="models.E031" if len(model_labels) == 1 else "models.E032",
+                ),
+            )
+    return errors
+
+
+def _check_lazy_references(apps, ignore=None):
+    """
+    Ensure all lazy (i.e. string) model references have been resolved.
+
+    Lazy references are used in various places throughout Django, primarily in
+    related fields and model signals. Identify those common cases and provide
+    more helpful error messages for them.
+
+    The ignore parameter is used by StateApps to exclude swappable models from
+    this check.
+    """
+    pending_models = set(apps._pending_operations) - (ignore or set())
+
+    # Short circuit if there aren't any errors.
+    if not pending_models:
+        return []
+
+    from django.db.models import signals
+
+    model_signals = {
+        signal: name
+        for name, signal in vars(signals).items()
+        if isinstance(signal, signals.ModelSignal)
+    }
+
+    def extract_operation(obj):
+        """
+        Take a callable found in Apps._pending_operations and identify the
+        original callable passed to Apps.lazy_model_operation(). If that
+        callable was a partial, return the inner, non-partial function and
+        any arguments and keyword arguments that were supplied with it.
+
+        obj is a callback defined locally in Apps.lazy_model_operation() and
+        annotated there with a `func` attribute so as to imitate a partial.
+        """
+        operation, args, keywords = obj, [], {}
+        while hasattr(operation, "func"):
+            args.extend(getattr(operation, "args", []))
+            keywords.update(getattr(operation, "keywords", {}))
+            operation = operation.func
+        return operation, args, keywords
+
+    def app_model_error(model_key):
+        try:
+            apps.get_app_config(model_key[0])
+            model_error = "app '%s' doesn't provide model '%s'" % model_key
+        except LookupError:
+            model_error = "app '%s' isn't installed" % model_key[0]
+        return model_error
+
+    # Here are several functions which return CheckMessage instances for the
+    # most common usages of lazy operations throughout Django. These functions
+    # take the model that was being waited on as an (app_label, modelname)
+    # pair, the original lazy function, and its positional and keyword args as
+    # determined by extract_operation().
+
+    def field_error(model_key, func, args, keywords):
+        error_msg = (
+            "The field %(field)s was declared with a lazy reference "
+            "to '%(model)s', but %(model_error)s."
+        )
+        params = {
+            "model": ".".join(model_key),
+            "field": keywords["field"],
+            "model_error": app_model_error(model_key),
+        }
+        return Error(error_msg % params, obj=keywords["field"], id="fields.E307")
+
+    def signal_connect_error(model_key, func, args, keywords):
+        error_msg = (
+            "%(receiver)s was connected to the '%(signal)s' signal with a "
+            "lazy reference to the sender '%(model)s', but %(model_error)s."
+        )
+        receiver = args[0]
+        # The receiver is either a function or an instance of class
+        # defining a `__call__` method.
+        if isinstance(receiver, types.FunctionType):
+            description = "The function '%s'" % receiver.__name__
+        elif isinstance(receiver, types.MethodType):
+            description = "Bound method '%s.%s'" % (
+                receiver.__self__.__class__.__name__,
+                receiver.__name__,
+            )
+        else:
+            description = "An instance of class '%s'" % receiver.__class__.__name__
+        signal_name = model_signals.get(func.__self__, "unknown")
+        params = {
+            "model": ".".join(model_key),
+            "receiver": description,
+            "signal": signal_name,
+            "model_error": app_model_error(model_key),
+        }
+        return Error(error_msg % params, obj=receiver.__module__, id="signals.E001")
+
+    def default_error(model_key, func, args, keywords):
+        error_msg = (
+            "%(op)s contains a lazy reference to %(model)s, but %(model_error)s."
+        )
+        params = {
+            "op": func,
+            "model": ".".join(model_key),
+            "model_error": app_model_error(model_key),
+        }
+        return Error(error_msg % params, obj=func, id="models.E022")
+
+    # Maps common uses of lazy operations to corresponding error functions
+    # defined above. If a key maps to None, no error will be produced.
+    # default_error() will be used for usages that don't appear in this dict.
+    known_lazy = {
+        ("django.db.models.fields.related", "resolve_related_class"): field_error,
+        ("django.db.models.fields.related", "set_managed"): None,
+        ("django.dispatch.dispatcher", "connect"): signal_connect_error,
+    }
+
+    def build_error(model_key, func, args, keywords):
+        key = (func.__module__, func.__name__)
+        error_fn = known_lazy.get(key, default_error)
+        return error_fn(model_key, func, args, keywords) if error_fn else None
+
+    return sorted(
+        filter(
+            None,
+            (
+                build_error(model_key, *extract_operation(func))
+                for model_key in pending_models
+                for func in apps._pending_operations[model_key]
+            ),
+        ),
+        key=lambda error: error.msg,
+    )
+
+
+@register(Tags.models)
+def check_lazy_references(app_configs=None, **kwargs):
+    return _check_lazy_references(apps)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/registry.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/registry.py
new file mode 100644
index 00000000..f4bdea86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/registry.py
@@ -0,0 +1,117 @@
+from itertools import chain
+
+from django.utils.inspect import func_accepts_kwargs
+from django.utils.itercompat import is_iterable
+
+
+class Tags:
+    """
+    Built-in tags for internal checks.
+    """
+
+    admin = "admin"
+    async_support = "async_support"
+    caches = "caches"
+    compatibility = "compatibility"
+    database = "database"
+    files = "files"
+    models = "models"
+    security = "security"
+    signals = "signals"
+    sites = "sites"
+    staticfiles = "staticfiles"
+    templates = "templates"
+    translation = "translation"
+    urls = "urls"
+
+
+class CheckRegistry:
+    def __init__(self):
+        self.registered_checks = set()
+        self.deployment_checks = set()
+
+    def register(self, check=None, *tags, **kwargs):
+        """
+        Can be used as a function or a decorator. Register given function
+        `f` labeled with given `tags`. The function should receive **kwargs
+        and return list of Errors and Warnings.
+
+        Example::
+
+            registry = CheckRegistry()
+            @registry.register('mytag', 'anothertag')
+            def my_check(app_configs, **kwargs):
+                # ... perform checks and collect `errors` ...
+                return errors
+            # or
+            registry.register(my_check, 'mytag', 'anothertag')
+        """
+
+        def inner(check):
+            if not func_accepts_kwargs(check):
+                raise TypeError(
+                    "Check functions must accept keyword arguments (**kwargs)."
+                )
+            check.tags = tags
+            checks = (
+                self.deployment_checks
+                if kwargs.get("deploy")
+                else self.registered_checks
+            )
+            checks.add(check)
+            return check
+
+        if callable(check):
+            return inner(check)
+        else:
+            if check:
+                tags += (check,)
+            return inner
+
+    def run_checks(
+        self,
+        app_configs=None,
+        tags=None,
+        include_deployment_checks=False,
+        databases=None,
+    ):
+        """
+        Run all registered checks and return list of Errors and Warnings.
+        """
+        errors = []
+        checks = self.get_checks(include_deployment_checks)
+
+        if tags is not None:
+            checks = [check for check in checks if not set(check.tags).isdisjoint(tags)]
+
+        for check in checks:
+            new_errors = check(app_configs=app_configs, databases=databases)
+            if not is_iterable(new_errors):
+                raise TypeError(
+                    "The function %r did not return a list. All functions "
+                    "registered with the checks registry must return a list." % check,
+                )
+            errors.extend(new_errors)
+        return errors
+
+    def tag_exists(self, tag, include_deployment_checks=False):
+        return tag in self.tags_available(include_deployment_checks)
+
+    def tags_available(self, deployment_checks=False):
+        return set(
+            chain.from_iterable(
+                check.tags for check in self.get_checks(deployment_checks)
+            )
+        )
+
+    def get_checks(self, include_deployment_checks=False):
+        checks = list(self.registered_checks)
+        if include_deployment_checks:
+            checks.extend(self.deployment_checks)
+        return checks
+
+
+registry = CheckRegistry()
+register = registry.register
+run_checks = registry.run_checks
+tag_exists = registry.tag_exists
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/__pycache__/csrf.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/__pycache__/csrf.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/__pycache__/sessions.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/__pycache__/sessions.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/base.py
new file mode 100644
index 00000000..f85adabd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/base.py
@@ -0,0 +1,283 @@
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+
+from .. import Error, Tags, Warning, register
+
+CROSS_ORIGIN_OPENER_POLICY_VALUES = {
+    "same-origin",
+    "same-origin-allow-popups",
+    "unsafe-none",
+}
+REFERRER_POLICY_VALUES = {
+    "no-referrer",
+    "no-referrer-when-downgrade",
+    "origin",
+    "origin-when-cross-origin",
+    "same-origin",
+    "strict-origin",
+    "strict-origin-when-cross-origin",
+    "unsafe-url",
+}
+
+SECRET_KEY_INSECURE_PREFIX = "django-insecure-"
+SECRET_KEY_MIN_LENGTH = 50
+SECRET_KEY_MIN_UNIQUE_CHARACTERS = 5
+
+SECRET_KEY_WARNING_MSG = (
+    f"Your %s has less than {SECRET_KEY_MIN_LENGTH} characters, less than "
+    f"{SECRET_KEY_MIN_UNIQUE_CHARACTERS} unique characters, or it's prefixed "
+    f"with '{SECRET_KEY_INSECURE_PREFIX}' indicating that it was generated "
+    f"automatically by Django. Please generate a long and random value, "
+    f"otherwise many of Django's security-critical features will be "
+    f"vulnerable to attack."
+)
+
+W001 = Warning(
+    "You do not have 'django.middleware.security.SecurityMiddleware' "
+    "in your MIDDLEWARE so the SECURE_HSTS_SECONDS, "
+    "SECURE_CONTENT_TYPE_NOSNIFF, SECURE_REFERRER_POLICY, "
+    "SECURE_CROSS_ORIGIN_OPENER_POLICY, and SECURE_SSL_REDIRECT settings will "
+    "have no effect.",
+    id="security.W001",
+)
+
+W002 = Warning(
+    "You do not have "
+    "'django.middleware.clickjacking.XFrameOptionsMiddleware' in your "
+    "MIDDLEWARE, so your pages will not be served with an "
+    "'x-frame-options' header. Unless there is a good reason for your "
+    "site to be served in a frame, you should consider enabling this "
+    "header to help prevent clickjacking attacks.",
+    id="security.W002",
+)
+
+W004 = Warning(
+    "You have not set a value for the SECURE_HSTS_SECONDS setting. "
+    "If your entire site is served only over SSL, you may want to consider "
+    "setting a value and enabling HTTP Strict Transport Security. "
+    "Be sure to read the documentation first; enabling HSTS carelessly "
+    "can cause serious, irreversible problems.",
+    id="security.W004",
+)
+
+W005 = Warning(
+    "You have not set the SECURE_HSTS_INCLUDE_SUBDOMAINS setting to True. "
+    "Without this, your site is potentially vulnerable to attack "
+    "via an insecure connection to a subdomain. Only set this to True if "
+    "you are certain that all subdomains of your domain should be served "
+    "exclusively via SSL.",
+    id="security.W005",
+)
+
+W006 = Warning(
+    "Your SECURE_CONTENT_TYPE_NOSNIFF setting is not set to True, "
+    "so your pages will not be served with an "
+    "'X-Content-Type-Options: nosniff' header. "
+    "You should consider enabling this header to prevent the "
+    "browser from identifying content types incorrectly.",
+    id="security.W006",
+)
+
+W008 = Warning(
+    "Your SECURE_SSL_REDIRECT setting is not set to True. "
+    "Unless your site should be available over both SSL and non-SSL "
+    "connections, you may want to either set this setting True "
+    "or configure a load balancer or reverse-proxy server "
+    "to redirect all connections to HTTPS.",
+    id="security.W008",
+)
+
+W009 = Warning(
+    SECRET_KEY_WARNING_MSG % "SECRET_KEY",
+    id="security.W009",
+)
+
+W018 = Warning(
+    "You should not have DEBUG set to True in deployment.",
+    id="security.W018",
+)
+
+W019 = Warning(
+    "You have "
+    "'django.middleware.clickjacking.XFrameOptionsMiddleware' in your "
+    "MIDDLEWARE, but X_FRAME_OPTIONS is not set to 'DENY'. "
+    "Unless there is a good reason for your site to serve other parts of "
+    "itself in a frame, you should change it to 'DENY'.",
+    id="security.W019",
+)
+
+W020 = Warning(
+    "ALLOWED_HOSTS must not be empty in deployment.",
+    id="security.W020",
+)
+
+W021 = Warning(
+    "You have not set the SECURE_HSTS_PRELOAD setting to True. Without this, "
+    "your site cannot be submitted to the browser preload list.",
+    id="security.W021",
+)
+
+W022 = Warning(
+    "You have not set the SECURE_REFERRER_POLICY setting. Without this, your "
+    "site will not send a Referrer-Policy header. You should consider "
+    "enabling this header to protect user privacy.",
+    id="security.W022",
+)
+
+E023 = Error(
+    "You have set the SECURE_REFERRER_POLICY setting to an invalid value.",
+    hint="Valid values are: {}.".format(", ".join(sorted(REFERRER_POLICY_VALUES))),
+    id="security.E023",
+)
+
+E024 = Error(
+    "You have set the SECURE_CROSS_ORIGIN_OPENER_POLICY setting to an invalid "
+    "value.",
+    hint="Valid values are: {}.".format(
+        ", ".join(sorted(CROSS_ORIGIN_OPENER_POLICY_VALUES)),
+    ),
+    id="security.E024",
+)
+
+W025 = Warning(SECRET_KEY_WARNING_MSG, id="security.W025")
+
+
+def _security_middleware():
+    return "django.middleware.security.SecurityMiddleware" in settings.MIDDLEWARE
+
+
+def _xframe_middleware():
+    return (
+        "django.middleware.clickjacking.XFrameOptionsMiddleware" in settings.MIDDLEWARE
+    )
+
+
+@register(Tags.security, deploy=True)
+def check_security_middleware(app_configs, **kwargs):
+    passed_check = _security_middleware()
+    return [] if passed_check else [W001]
+
+
+@register(Tags.security, deploy=True)
+def check_xframe_options_middleware(app_configs, **kwargs):
+    passed_check = _xframe_middleware()
+    return [] if passed_check else [W002]
+
+
+@register(Tags.security, deploy=True)
+def check_sts(app_configs, **kwargs):
+    passed_check = not _security_middleware() or settings.SECURE_HSTS_SECONDS
+    return [] if passed_check else [W004]
+
+
+@register(Tags.security, deploy=True)
+def check_sts_include_subdomains(app_configs, **kwargs):
+    passed_check = (
+        not _security_middleware()
+        or not settings.SECURE_HSTS_SECONDS
+        or settings.SECURE_HSTS_INCLUDE_SUBDOMAINS is True
+    )
+    return [] if passed_check else [W005]
+
+
+@register(Tags.security, deploy=True)
+def check_sts_preload(app_configs, **kwargs):
+    passed_check = (
+        not _security_middleware()
+        or not settings.SECURE_HSTS_SECONDS
+        or settings.SECURE_HSTS_PRELOAD is True
+    )
+    return [] if passed_check else [W021]
+
+
+@register(Tags.security, deploy=True)
+def check_content_type_nosniff(app_configs, **kwargs):
+    passed_check = (
+        not _security_middleware() or settings.SECURE_CONTENT_TYPE_NOSNIFF is True
+    )
+    return [] if passed_check else [W006]
+
+
+@register(Tags.security, deploy=True)
+def check_ssl_redirect(app_configs, **kwargs):
+    passed_check = not _security_middleware() or settings.SECURE_SSL_REDIRECT is True
+    return [] if passed_check else [W008]
+
+
+def _check_secret_key(secret_key):
+    return (
+        len(set(secret_key)) >= SECRET_KEY_MIN_UNIQUE_CHARACTERS
+        and len(secret_key) >= SECRET_KEY_MIN_LENGTH
+        and not secret_key.startswith(SECRET_KEY_INSECURE_PREFIX)
+    )
+
+
+@register(Tags.security, deploy=True)
+def check_secret_key(app_configs, **kwargs):
+    try:
+        secret_key = settings.SECRET_KEY
+    except (ImproperlyConfigured, AttributeError):
+        passed_check = False
+    else:
+        passed_check = _check_secret_key(secret_key)
+    return [] if passed_check else [W009]
+
+
+@register(Tags.security, deploy=True)
+def check_secret_key_fallbacks(app_configs, **kwargs):
+    warnings = []
+    try:
+        fallbacks = settings.SECRET_KEY_FALLBACKS
+    except (ImproperlyConfigured, AttributeError):
+        warnings.append(Warning(W025.msg % "SECRET_KEY_FALLBACKS", id=W025.id))
+    else:
+        for index, key in enumerate(fallbacks):
+            if not _check_secret_key(key):
+                warnings.append(
+                    Warning(W025.msg % f"SECRET_KEY_FALLBACKS[{index}]", id=W025.id)
+                )
+    return warnings
+
+
+@register(Tags.security, deploy=True)
+def check_debug(app_configs, **kwargs):
+    passed_check = not settings.DEBUG
+    return [] if passed_check else [W018]
+
+
+@register(Tags.security, deploy=True)
+def check_xframe_deny(app_configs, **kwargs):
+    passed_check = not _xframe_middleware() or settings.X_FRAME_OPTIONS == "DENY"
+    return [] if passed_check else [W019]
+
+
+@register(Tags.security, deploy=True)
+def check_allowed_hosts(app_configs, **kwargs):
+    return [] if settings.ALLOWED_HOSTS else [W020]
+
+
+@register(Tags.security, deploy=True)
+def check_referrer_policy(app_configs, **kwargs):
+    if _security_middleware():
+        if settings.SECURE_REFERRER_POLICY is None:
+            return [W022]
+        # Support a comma-separated string or iterable of values to allow fallback.
+        if isinstance(settings.SECURE_REFERRER_POLICY, str):
+            values = {v.strip() for v in settings.SECURE_REFERRER_POLICY.split(",")}
+        else:
+            values = set(settings.SECURE_REFERRER_POLICY)
+        if not values <= REFERRER_POLICY_VALUES:
+            return [E023]
+    return []
+
+
+@register(Tags.security, deploy=True)
+def check_cross_origin_opener_policy(app_configs, **kwargs):
+    if (
+        _security_middleware()
+        and settings.SECURE_CROSS_ORIGIN_OPENER_POLICY is not None
+        and settings.SECURE_CROSS_ORIGIN_OPENER_POLICY
+        not in CROSS_ORIGIN_OPENER_POLICY_VALUES
+    ):
+        return [E024]
+    return []
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/csrf.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/csrf.py
new file mode 100644
index 00000000..d00f2259
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/csrf.py
@@ -0,0 +1,67 @@
+import inspect
+
+from django.conf import settings
+
+from .. import Error, Tags, Warning, register
+
+W003 = Warning(
+    "You don't appear to be using Django's built-in "
+    "cross-site request forgery protection via the middleware "
+    "('django.middleware.csrf.CsrfViewMiddleware' is not in your "
+    "MIDDLEWARE). Enabling the middleware is the safest approach "
+    "to ensure you don't leave any holes.",
+    id="security.W003",
+)
+
+W016 = Warning(
+    "You have 'django.middleware.csrf.CsrfViewMiddleware' in your "
+    "MIDDLEWARE, but you have not set CSRF_COOKIE_SECURE to True. "
+    "Using a secure-only CSRF cookie makes it more difficult for network "
+    "traffic sniffers to steal the CSRF token.",
+    id="security.W016",
+)
+
+
+def _csrf_middleware():
+    return "django.middleware.csrf.CsrfViewMiddleware" in settings.MIDDLEWARE
+
+
+@register(Tags.security, deploy=True)
+def check_csrf_middleware(app_configs, **kwargs):
+    passed_check = _csrf_middleware()
+    return [] if passed_check else [W003]
+
+
+@register(Tags.security, deploy=True)
+def check_csrf_cookie_secure(app_configs, **kwargs):
+    passed_check = (
+        settings.CSRF_USE_SESSIONS
+        or not _csrf_middleware()
+        or settings.CSRF_COOKIE_SECURE is True
+    )
+    return [] if passed_check else [W016]
+
+
+@register(Tags.security)
+def check_csrf_failure_view(app_configs, **kwargs):
+    from django.middleware.csrf import _get_failure_view
+
+    errors = []
+    try:
+        view = _get_failure_view()
+    except ImportError:
+        msg = (
+            "The CSRF failure view '%s' could not be imported."
+            % settings.CSRF_FAILURE_VIEW
+        )
+        errors.append(Error(msg, id="security.E102"))
+    else:
+        try:
+            inspect.signature(view).bind(None, reason=None)
+        except TypeError:
+            msg = (
+                "The CSRF failure view '%s' does not take the correct number of "
+                "arguments." % settings.CSRF_FAILURE_VIEW
+            )
+            errors.append(Error(msg, id="security.E101"))
+    return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/sessions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/sessions.py
new file mode 100644
index 00000000..f317d09f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/security/sessions.py
@@ -0,0 +1,99 @@
+from django.conf import settings
+
+from .. import Tags, Warning, register
+
+
+def add_session_cookie_message(message):
+    return message + (
+        " Using a secure-only session cookie makes it more difficult for "
+        "network traffic sniffers to hijack user sessions."
+    )
+
+
+W010 = Warning(
+    add_session_cookie_message(
+        "You have 'django.contrib.sessions' in your INSTALLED_APPS, "
+        "but you have not set SESSION_COOKIE_SECURE to True."
+    ),
+    id="security.W010",
+)
+
+W011 = Warning(
+    add_session_cookie_message(
+        "You have 'django.contrib.sessions.middleware.SessionMiddleware' "
+        "in your MIDDLEWARE, but you have not set "
+        "SESSION_COOKIE_SECURE to True."
+    ),
+    id="security.W011",
+)
+
+W012 = Warning(
+    add_session_cookie_message("SESSION_COOKIE_SECURE is not set to True."),
+    id="security.W012",
+)
+
+
+def add_httponly_message(message):
+    return message + (
+        " Using an HttpOnly session cookie makes it more difficult for "
+        "cross-site scripting attacks to hijack user sessions."
+    )
+
+
+W013 = Warning(
+    add_httponly_message(
+        "You have 'django.contrib.sessions' in your INSTALLED_APPS, "
+        "but you have not set SESSION_COOKIE_HTTPONLY to True.",
+    ),
+    id="security.W013",
+)
+
+W014 = Warning(
+    add_httponly_message(
+        "You have 'django.contrib.sessions.middleware.SessionMiddleware' "
+        "in your MIDDLEWARE, but you have not set "
+        "SESSION_COOKIE_HTTPONLY to True."
+    ),
+    id="security.W014",
+)
+
+W015 = Warning(
+    add_httponly_message("SESSION_COOKIE_HTTPONLY is not set to True."),
+    id="security.W015",
+)
+
+
+@register(Tags.security, deploy=True)
+def check_session_cookie_secure(app_configs, **kwargs):
+    if settings.SESSION_COOKIE_SECURE is True:
+        return []
+    errors = []
+    if _session_app():
+        errors.append(W010)
+    if _session_middleware():
+        errors.append(W011)
+    if len(errors) > 1:
+        errors = [W012]
+    return errors
+
+
+@register(Tags.security, deploy=True)
+def check_session_cookie_httponly(app_configs, **kwargs):
+    if settings.SESSION_COOKIE_HTTPONLY is True:
+        return []
+    errors = []
+    if _session_app():
+        errors.append(W013)
+    if _session_middleware():
+        errors.append(W014)
+    if len(errors) > 1:
+        errors = [W015]
+    return errors
+
+
+def _session_middleware():
+    return "django.contrib.sessions.middleware.SessionMiddleware" in settings.MIDDLEWARE
+
+
+def _session_app():
+    return "django.contrib.sessions" in settings.INSTALLED_APPS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/templates.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/templates.py
new file mode 100644
index 00000000..681aa1f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/templates.py
@@ -0,0 +1,75 @@
+import copy
+from collections import defaultdict
+
+from django.conf import settings
+from django.template.backends.django import get_template_tag_modules
+
+from . import Error, Tags, Warning, register
+
+E001 = Error(
+    "You have 'APP_DIRS': True in your TEMPLATES but also specify 'loaders' "
+    "in OPTIONS. Either remove APP_DIRS or remove the 'loaders' option.",
+    id="templates.E001",
+)
+E002 = Error(
+    "'string_if_invalid' in TEMPLATES OPTIONS must be a string but got: {} ({}).",
+    id="templates.E002",
+)
+W003 = Warning(
+    "{} is used for multiple template tag modules: {}",
+    id="templates.E003",
+)
+
+
+@register(Tags.templates)
+def check_setting_app_dirs_loaders(app_configs, **kwargs):
+    return (
+        [E001]
+        if any(
+            conf.get("APP_DIRS") and "loaders" in conf.get("OPTIONS", {})
+            for conf in settings.TEMPLATES
+        )
+        else []
+    )
+
+
+@register(Tags.templates)
+def check_string_if_invalid_is_string(app_configs, **kwargs):
+    errors = []
+    for conf in settings.TEMPLATES:
+        string_if_invalid = conf.get("OPTIONS", {}).get("string_if_invalid", "")
+        if not isinstance(string_if_invalid, str):
+            error = copy.copy(E002)
+            error.msg = error.msg.format(
+                string_if_invalid, type(string_if_invalid).__name__
+            )
+            errors.append(error)
+    return errors
+
+
+@register(Tags.templates)
+def check_for_template_tags_with_the_same_name(app_configs, **kwargs):
+    errors = []
+    libraries = defaultdict(set)
+
+    for conf in settings.TEMPLATES:
+        custom_libraries = conf.get("OPTIONS", {}).get("libraries", {})
+        for module_name, module_path in custom_libraries.items():
+            libraries[module_name].add(module_path)
+
+    for module_name, module_path in get_template_tag_modules():
+        libraries[module_name].add(module_path)
+
+    for library_name, items in libraries.items():
+        if len(items) > 1:
+            errors.append(
+                Warning(
+                    W003.msg.format(
+                        repr(library_name),
+                        ", ".join(repr(item) for item in sorted(items)),
+                    ),
+                    id=W003.id,
+                )
+            )
+
+    return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/translation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/translation.py
new file mode 100644
index 00000000..214e9703
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/translation.py
@@ -0,0 +1,66 @@
+from django.conf import settings
+from django.utils.translation import get_supported_language_variant
+from django.utils.translation.trans_real import language_code_re
+
+from . import Error, Tags, register
+
+E001 = Error(
+    "You have provided an invalid value for the LANGUAGE_CODE setting: {!r}.",
+    id="translation.E001",
+)
+
+E002 = Error(
+    "You have provided an invalid language code in the LANGUAGES setting: {!r}.",
+    id="translation.E002",
+)
+
+E003 = Error(
+    "You have provided an invalid language code in the LANGUAGES_BIDI setting: {!r}.",
+    id="translation.E003",
+)
+
+E004 = Error(
+    "You have provided a value for the LANGUAGE_CODE setting that is not in "
+    "the LANGUAGES setting.",
+    id="translation.E004",
+)
+
+
+@register(Tags.translation)
+def check_setting_language_code(app_configs, **kwargs):
+    """Error if LANGUAGE_CODE setting is invalid."""
+    tag = settings.LANGUAGE_CODE
+    if not isinstance(tag, str) or not language_code_re.match(tag):
+        return [Error(E001.msg.format(tag), id=E001.id)]
+    return []
+
+
+@register(Tags.translation)
+def check_setting_languages(app_configs, **kwargs):
+    """Error if LANGUAGES setting is invalid."""
+    return [
+        Error(E002.msg.format(tag), id=E002.id)
+        for tag, _ in settings.LANGUAGES
+        if not isinstance(tag, str) or not language_code_re.match(tag)
+    ]
+
+
+@register(Tags.translation)
+def check_setting_languages_bidi(app_configs, **kwargs):
+    """Error if LANGUAGES_BIDI setting is invalid."""
+    return [
+        Error(E003.msg.format(tag), id=E003.id)
+        for tag in settings.LANGUAGES_BIDI
+        if not isinstance(tag, str) or not language_code_re.match(tag)
+    ]
+
+
+@register(Tags.translation)
+def check_language_settings_consistent(app_configs, **kwargs):
+    """Error if language settings are not consistent with each other."""
+    try:
+        get_supported_language_variant(settings.LANGUAGE_CODE)
+    except LookupError:
+        return [E004]
+    else:
+        return []
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/urls.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/urls.py
new file mode 100644
index 00000000..34eff967
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/checks/urls.py
@@ -0,0 +1,117 @@
+from collections import Counter
+
+from django.conf import settings
+
+from . import Error, Tags, Warning, register
+
+
+@register(Tags.urls)
+def check_url_config(app_configs, **kwargs):
+    if getattr(settings, "ROOT_URLCONF", None):
+        from django.urls import get_resolver
+
+        resolver = get_resolver()
+        return check_resolver(resolver)
+    return []
+
+
+def check_resolver(resolver):
+    """
+    Recursively check the resolver.
+    """
+    check_method = getattr(resolver, "check", None)
+    if check_method is not None:
+        return check_method()
+    elif not hasattr(resolver, "resolve"):
+        return get_warning_for_invalid_pattern(resolver)
+    else:
+        return []
+
+
+@register(Tags.urls)
+def check_url_namespaces_unique(app_configs, **kwargs):
+    """
+    Warn if URL namespaces used in applications aren't unique.
+    """
+    if not getattr(settings, "ROOT_URLCONF", None):
+        return []
+
+    from django.urls import get_resolver
+
+    resolver = get_resolver()
+    all_namespaces = _load_all_namespaces(resolver)
+    counter = Counter(all_namespaces)
+    non_unique_namespaces = [n for n, count in counter.items() if count > 1]
+    errors = []
+    for namespace in non_unique_namespaces:
+        errors.append(
+            Warning(
+                "URL namespace '{}' isn't unique. You may not be able to reverse "
+                "all URLs in this namespace".format(namespace),
+                id="urls.W005",
+            )
+        )
+    return errors
+
+
+def _load_all_namespaces(resolver, parents=()):
+    """
+    Recursively load all namespaces from URL patterns.
+    """
+    url_patterns = getattr(resolver, "url_patterns", [])
+    namespaces = [
+        ":".join(parents + (url.namespace,))
+        for url in url_patterns
+        if getattr(url, "namespace", None) is not None
+    ]
+    for pattern in url_patterns:
+        namespace = getattr(pattern, "namespace", None)
+        current = parents
+        if namespace is not None:
+            current += (namespace,)
+        namespaces.extend(_load_all_namespaces(pattern, current))
+    return namespaces
+
+
+def get_warning_for_invalid_pattern(pattern):
+    """
+    Return a list containing a warning that the pattern is invalid.
+
+    describe_pattern() cannot be used here, because we cannot rely on the
+    urlpattern having regex or name attributes.
+    """
+    if isinstance(pattern, str):
+        hint = (
+            "Try removing the string '{}'. The list of urlpatterns should not "
+            "have a prefix string as the first element.".format(pattern)
+        )
+    elif isinstance(pattern, tuple):
+        hint = "Try using path() instead of a tuple."
+    else:
+        hint = None
+
+    return [
+        Error(
+            "Your URL pattern {!r} is invalid. Ensure that urlpatterns is a list "
+            "of path() and/or re_path() instances.".format(pattern),
+            hint=hint,
+            id="urls.E004",
+        )
+    ]
+
+
+@register(Tags.urls)
+def check_url_settings(app_configs, **kwargs):
+    errors = []
+    for name in ("STATIC_URL", "MEDIA_URL"):
+        value = getattr(settings, name)
+        if value and not value.endswith("/"):
+            errors.append(E006(name))
+    return errors
+
+
+def E006(name):
+    return Error(
+        "The {} setting must end with a slash.".format(name),
+        id="urls.E006",
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/exceptions.py
new file mode 100644
index 00000000..31c18ee7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/exceptions.py
@@ -0,0 +1,255 @@
+"""
+Global Django exception and warning classes.
+"""
+
+import operator
+
+from django.utils.hashable import make_hashable
+
+
+class FieldDoesNotExist(Exception):
+    """The requested model field does not exist"""
+
+    pass
+
+
+class AppRegistryNotReady(Exception):
+    """The django.apps registry is not populated yet"""
+
+    pass
+
+
+class ObjectDoesNotExist(Exception):
+    """The requested object does not exist"""
+
+    silent_variable_failure = True
+
+
+class MultipleObjectsReturned(Exception):
+    """The query returned multiple objects when only one was expected."""
+
+    pass
+
+
+class SuspiciousOperation(Exception):
+    """The user did something suspicious"""
+
+
+class SuspiciousMultipartForm(SuspiciousOperation):
+    """Suspect MIME request in multipart form data"""
+
+    pass
+
+
+class SuspiciousFileOperation(SuspiciousOperation):
+    """A Suspicious filesystem operation was attempted"""
+
+    pass
+
+
+class DisallowedHost(SuspiciousOperation):
+    """HTTP_HOST header contains invalid value"""
+
+    pass
+
+
+class DisallowedRedirect(SuspiciousOperation):
+    """Redirect to scheme not in allowed list"""
+
+    pass
+
+
+class TooManyFieldsSent(SuspiciousOperation):
+    """
+    The number of fields in a GET or POST request exceeded
+    settings.DATA_UPLOAD_MAX_NUMBER_FIELDS.
+    """
+
+    pass
+
+
+class TooManyFilesSent(SuspiciousOperation):
+    """
+    The number of fields in a GET or POST request exceeded
+    settings.DATA_UPLOAD_MAX_NUMBER_FILES.
+    """
+
+    pass
+
+
+class RequestDataTooBig(SuspiciousOperation):
+    """
+    The size of the request (excluding any file uploads) exceeded
+    settings.DATA_UPLOAD_MAX_MEMORY_SIZE.
+    """
+
+    pass
+
+
+class RequestAborted(Exception):
+    """The request was closed before it was completed, or timed out."""
+
+    pass
+
+
+class BadRequest(Exception):
+    """The request is malformed and cannot be processed."""
+
+    pass
+
+
+class PermissionDenied(Exception):
+    """The user did not have permission to do that"""
+
+    pass
+
+
+class ViewDoesNotExist(Exception):
+    """The requested view does not exist"""
+
+    pass
+
+
+class MiddlewareNotUsed(Exception):
+    """This middleware is not used in this server configuration"""
+
+    pass
+
+
+class ImproperlyConfigured(Exception):
+    """Django is somehow improperly configured"""
+
+    pass
+
+
+class FieldError(Exception):
+    """Some kind of problem with a model field."""
+
+    pass
+
+
+NON_FIELD_ERRORS = "__all__"
+
+
+class ValidationError(Exception):
+    """An error while validating data."""
+
+    def __init__(self, message, code=None, params=None):
+        """
+        The `message` argument can be a single error, a list of errors, or a
+        dictionary that maps field names to lists of errors. What we define as
+        an "error" can be either a simple string or an instance of
+        ValidationError with its message attribute set, and what we define as
+        list or dictionary can be an actual `list` or `dict` or an instance
+        of ValidationError with its `error_list` or `error_dict` attribute set.
+        """
+        super().__init__(message, code, params)
+
+        if isinstance(message, ValidationError):
+            if hasattr(message, "error_dict"):
+                message = message.error_dict
+            elif not hasattr(message, "message"):
+                message = message.error_list
+            else:
+                message, code, params = message.message, message.code, message.params
+
+        if isinstance(message, dict):
+            self.error_dict = {}
+            for field, messages in message.items():
+                if not isinstance(messages, ValidationError):
+                    messages = ValidationError(messages)
+                self.error_dict[field] = messages.error_list
+
+        elif isinstance(message, list):
+            self.error_list = []
+            for message in message:
+                # Normalize plain strings to instances of ValidationError.
+                if not isinstance(message, ValidationError):
+                    message = ValidationError(message)
+                if hasattr(message, "error_dict"):
+                    self.error_list.extend(sum(message.error_dict.values(), []))
+                else:
+                    self.error_list.extend(message.error_list)
+
+        else:
+            self.message = message
+            self.code = code
+            self.params = params
+            self.error_list = [self]
+
+    @property
+    def message_dict(self):
+        # Trigger an AttributeError if this ValidationError
+        # doesn't have an error_dict.
+        getattr(self, "error_dict")
+
+        return dict(self)
+
+    @property
+    def messages(self):
+        if hasattr(self, "error_dict"):
+            return sum(dict(self).values(), [])
+        return list(self)
+
+    def update_error_dict(self, error_dict):
+        if hasattr(self, "error_dict"):
+            for field, error_list in self.error_dict.items():
+                error_dict.setdefault(field, []).extend(error_list)
+        else:
+            error_dict.setdefault(NON_FIELD_ERRORS, []).extend(self.error_list)
+        return error_dict
+
+    def __iter__(self):
+        if hasattr(self, "error_dict"):
+            for field, errors in self.error_dict.items():
+                yield field, list(ValidationError(errors))
+        else:
+            for error in self.error_list:
+                message = error.message
+                if error.params:
+                    message %= error.params
+                yield str(message)
+
+    def __str__(self):
+        if hasattr(self, "error_dict"):
+            return repr(dict(self))
+        return repr(list(self))
+
+    def __repr__(self):
+        return "ValidationError(%s)" % self
+
+    def __eq__(self, other):
+        if not isinstance(other, ValidationError):
+            return NotImplemented
+        return hash(self) == hash(other)
+
+    def __hash__(self):
+        if hasattr(self, "message"):
+            return hash(
+                (
+                    self.message,
+                    self.code,
+                    make_hashable(self.params),
+                )
+            )
+        if hasattr(self, "error_dict"):
+            return hash(make_hashable(self.error_dict))
+        return hash(tuple(sorted(self.error_list, key=operator.attrgetter("message"))))
+
+
+class EmptyResultSet(Exception):
+    """A database query predicate is impossible."""
+
+    pass
+
+
+class FullResultSet(Exception):
+    """A database query predicate is matches everything."""
+
+    pass
+
+
+class SynchronousOnlyOperation(Exception):
+    """The user tried to call a sync-only function from an async context."""
+
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/__init__.py
new file mode 100644
index 00000000..d046aca0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/__init__.py
@@ -0,0 +1,3 @@
+from django.core.files.base import File
+
+__all__ = ["File"]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/base.py
new file mode 100644
index 00000000..9682467a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/base.py
@@ -0,0 +1,161 @@
+import os
+from io import BytesIO, StringIO, UnsupportedOperation
+
+from django.core.files.utils import FileProxyMixin
+from django.utils.functional import cached_property
+
+
+class File(FileProxyMixin):
+    DEFAULT_CHUNK_SIZE = 64 * 2**10
+
+    def __init__(self, file, name=None):
+        self.file = file
+        if name is None:
+            name = getattr(file, "name", None)
+        self.name = name
+        if hasattr(file, "mode"):
+            self.mode = file.mode
+
+    def __str__(self):
+        return self.name or ""
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self or "None")
+
+    def __bool__(self):
+        return bool(self.name)
+
+    def __len__(self):
+        return self.size
+
+    @cached_property
+    def size(self):
+        if hasattr(self.file, "size"):
+            return self.file.size
+        if hasattr(self.file, "name"):
+            try:
+                return os.path.getsize(self.file.name)
+            except (OSError, TypeError):
+                pass
+        if hasattr(self.file, "tell") and hasattr(self.file, "seek"):
+            pos = self.file.tell()
+            self.file.seek(0, os.SEEK_END)
+            size = self.file.tell()
+            self.file.seek(pos)
+            return size
+        raise AttributeError("Unable to determine the file's size.")
+
+    def chunks(self, chunk_size=None):
+        """
+        Read the file and yield chunks of ``chunk_size`` bytes (defaults to
+        ``File.DEFAULT_CHUNK_SIZE``).
+        """
+        chunk_size = chunk_size or self.DEFAULT_CHUNK_SIZE
+        try:
+            self.seek(0)
+        except (AttributeError, UnsupportedOperation):
+            pass
+
+        while True:
+            data = self.read(chunk_size)
+            if not data:
+                break
+            yield data
+
+    def multiple_chunks(self, chunk_size=None):
+        """
+        Return ``True`` if you can expect multiple chunks.
+
+        NB: If a particular file representation is in memory, subclasses should
+        always return ``False`` -- there's no good reason to read from memory in
+        chunks.
+        """
+        return self.size > (chunk_size or self.DEFAULT_CHUNK_SIZE)
+
+    def __iter__(self):
+        # Iterate over this file-like object by newlines
+        buffer_ = None
+        for chunk in self.chunks():
+            for line in chunk.splitlines(True):
+                if buffer_:
+                    if endswith_cr(buffer_) and not equals_lf(line):
+                        # Line split after a \r newline; yield buffer_.
+                        yield buffer_
+                        # Continue with line.
+                    else:
+                        # Line either split without a newline (line
+                        # continues after buffer_) or with \r\n
+                        # newline (line == b'\n').
+                        line = buffer_ + line
+                    # buffer_ handled, clear it.
+                    buffer_ = None
+
+                # If this is the end of a \n or \r\n line, yield.
+                if endswith_lf(line):
+                    yield line
+                else:
+                    buffer_ = line
+
+        if buffer_ is not None:
+            yield buffer_
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, tb):
+        self.close()
+
+    def open(self, mode=None, *args, **kwargs):
+        if not self.closed:
+            self.seek(0)
+        elif self.name and os.path.exists(self.name):
+            self.file = open(self.name, mode or self.mode, *args, **kwargs)
+        else:
+            raise ValueError("The file cannot be reopened.")
+        return self
+
+    def close(self):
+        self.file.close()
+
+
+class ContentFile(File):
+    """
+    A File-like object that takes just raw content, rather than an actual file.
+    """
+
+    def __init__(self, content, name=None):
+        stream_class = StringIO if isinstance(content, str) else BytesIO
+        super().__init__(stream_class(content), name=name)
+        self.size = len(content)
+
+    def __str__(self):
+        return "Raw content"
+
+    def __bool__(self):
+        return True
+
+    def open(self, mode=None):
+        self.seek(0)
+        return self
+
+    def close(self):
+        pass
+
+    def write(self, data):
+        self.__dict__.pop("size", None)  # Clear the computed size.
+        return self.file.write(data)
+
+
+def endswith_cr(line):
+    """Return True if line (a text or bytestring) ends with '\r'."""
+    return line.endswith("\r" if isinstance(line, str) else b"\r")
+
+
+def endswith_lf(line):
+    """Return True if line (a text or bytestring) ends with '\n'."""
+    return line.endswith("\n" if isinstance(line, str) else b"\n")
+
+
+def equals_lf(line):
+    """Return True if line (a text or bytestring) equals '\n'."""
+    return line == ("\n" if isinstance(line, str) else b"\n")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/images.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/images.py
new file mode 100644
index 00000000..7c1532ac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/images.py
@@ -0,0 +1,89 @@
+"""
+Utility functions for handling images.
+
+Requires Pillow as you might imagine.
+"""
+
+import struct
+import zlib
+
+from django.core.files import File
+
+
+class ImageFile(File):
+    """
+    A mixin for use alongside django.core.files.base.File, which provides
+    additional features for dealing with images.
+    """
+
+    @property
+    def width(self):
+        return self._get_image_dimensions()[0]
+
+    @property
+    def height(self):
+        return self._get_image_dimensions()[1]
+
+    def _get_image_dimensions(self):
+        if not hasattr(self, "_dimensions_cache"):
+            close = self.closed
+            self.open()
+            self._dimensions_cache = get_image_dimensions(self, close=close)
+        return self._dimensions_cache
+
+
+def get_image_dimensions(file_or_path, close=False):
+    """
+    Return the (width, height) of an image, given an open file or a path.  Set
+    'close' to True to close the file at the end if it is initially in an open
+    state.
+    """
+    from PIL import ImageFile as PillowImageFile
+
+    p = PillowImageFile.Parser()
+    if hasattr(file_or_path, "read"):
+        file = file_or_path
+        file_pos = file.tell()
+        file.seek(0)
+    else:
+        try:
+            file = open(file_or_path, "rb")
+        except OSError:
+            return (None, None)
+        close = True
+    try:
+        # Most of the time Pillow only needs a small chunk to parse the image
+        # and get the dimensions, but with some TIFF files Pillow needs to
+        # parse the whole file.
+        chunk_size = 1024
+        while 1:
+            data = file.read(chunk_size)
+            if not data:
+                break
+            try:
+                p.feed(data)
+            except zlib.error as e:
+                # ignore zlib complaining on truncated stream, just feed more
+                # data to parser (ticket #19457).
+                if e.args[0].startswith("Error -5"):
+                    pass
+                else:
+                    raise
+            except struct.error:
+                # Ignore PIL failing on a too short buffer when reads return
+                # less bytes than expected. Skip and feed more data to the
+                # parser (ticket #24544).
+                pass
+            except RuntimeError:
+                # e.g. "RuntimeError: could not create decoder object" for
+                # WebP files. A different chunk_size may work.
+                pass
+            if p.image:
+                return p.image.size
+            chunk_size *= 2
+        return (None, None)
+    finally:
+        if close:
+            file.close()
+        else:
+            file.seek(file_pos)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/locks.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/locks.py
new file mode 100644
index 00000000..a7a7a22d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/locks.py
@@ -0,0 +1,128 @@
+"""
+Portable file locking utilities.
+
+Based partially on an example by Jonathan Feignberg in the Python
+Cookbook [1] (licensed under the Python Software License) and a ctypes port by
+Anatoly Techtonik for Roundup [2] (license [3]).
+
+[1] https://code.activestate.com/recipes/65203/
+[2] https://sourceforge.net/p/roundup/code/ci/default/tree/roundup/backends/portalocker.py  # NOQA
+[3] https://sourceforge.net/p/roundup/code/ci/default/tree/COPYING.txt
+
+Example Usage::
+
+    >>> from django.core.files import locks
+    >>> with open('./file', 'wb') as f:
+    ...     locks.lock(f, locks.LOCK_EX)
+    ...     f.write('Django')
+"""
+
+import os
+
+__all__ = ("LOCK_EX", "LOCK_SH", "LOCK_NB", "lock", "unlock")
+
+
+def _fd(f):
+    """Get a filedescriptor from something which could be a file or an fd."""
+    return f.fileno() if hasattr(f, "fileno") else f
+
+
+if os.name == "nt":
+    import msvcrt
+    from ctypes import (
+        POINTER,
+        Structure,
+        Union,
+        WinDLL,
+        byref,
+        c_int64,
+        c_ulong,
+        c_void_p,
+        sizeof,
+    )
+    from ctypes.wintypes import BOOL, DWORD, HANDLE
+
+    LOCK_SH = 0  # the default
+    LOCK_NB = 0x1  # LOCKFILE_FAIL_IMMEDIATELY
+    LOCK_EX = 0x2  # LOCKFILE_EXCLUSIVE_LOCK
+
+    # --- Adapted from the pyserial project ---
+    # detect size of ULONG_PTR
+    if sizeof(c_ulong) != sizeof(c_void_p):
+        ULONG_PTR = c_int64
+    else:
+        ULONG_PTR = c_ulong
+    PVOID = c_void_p
+
+    # --- Union inside Structure by stackoverflow:3480240 ---
+    class _OFFSET(Structure):
+        _fields_ = [("Offset", DWORD), ("OffsetHigh", DWORD)]
+
+    class _OFFSET_UNION(Union):
+        _anonymous_ = ["_offset"]
+        _fields_ = [("_offset", _OFFSET), ("Pointer", PVOID)]
+
+    class OVERLAPPED(Structure):
+        _anonymous_ = ["_offset_union"]
+        _fields_ = [
+            ("Internal", ULONG_PTR),
+            ("InternalHigh", ULONG_PTR),
+            ("_offset_union", _OFFSET_UNION),
+            ("hEvent", HANDLE),
+        ]
+
+    LPOVERLAPPED = POINTER(OVERLAPPED)
+
+    # --- Define function prototypes for extra safety ---
+    kernel32 = WinDLL("kernel32")
+    LockFileEx = kernel32.LockFileEx
+    LockFileEx.restype = BOOL
+    LockFileEx.argtypes = [HANDLE, DWORD, DWORD, DWORD, DWORD, LPOVERLAPPED]
+    UnlockFileEx = kernel32.UnlockFileEx
+    UnlockFileEx.restype = BOOL
+    UnlockFileEx.argtypes = [HANDLE, DWORD, DWORD, DWORD, LPOVERLAPPED]
+
+    def lock(f, flags):
+        hfile = msvcrt.get_osfhandle(_fd(f))
+        overlapped = OVERLAPPED()
+        ret = LockFileEx(hfile, flags, 0, 0, 0xFFFF0000, byref(overlapped))
+        return bool(ret)
+
+    def unlock(f):
+        hfile = msvcrt.get_osfhandle(_fd(f))
+        overlapped = OVERLAPPED()
+        ret = UnlockFileEx(hfile, 0, 0, 0xFFFF0000, byref(overlapped))
+        return bool(ret)
+
+else:
+    try:
+        import fcntl
+
+        LOCK_SH = fcntl.LOCK_SH  # shared lock
+        LOCK_NB = fcntl.LOCK_NB  # non-blocking
+        LOCK_EX = fcntl.LOCK_EX
+    except (ImportError, AttributeError):
+        # File locking is not supported.
+        LOCK_EX = LOCK_SH = LOCK_NB = 0
+
+        # Dummy functions that don't do anything.
+        def lock(f, flags):
+            # File is not locked
+            return False
+
+        def unlock(f):
+            # File is unlocked
+            return True
+
+    else:
+
+        def lock(f, flags):
+            try:
+                fcntl.flock(_fd(f), flags)
+                return True
+            except BlockingIOError:
+                return False
+
+        def unlock(f):
+            fcntl.flock(_fd(f), fcntl.LOCK_UN)
+            return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/move.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/move.py
new file mode 100644
index 00000000..95d69f9d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/move.py
@@ -0,0 +1,102 @@
+"""
+Move a file in the safest way possible::
+
+    >>> from django.core.files.move import file_move_safe
+    >>> file_move_safe("/tmp/old_file", "/tmp/new_file")
+"""
+
+import os
+from shutil import copymode, copystat
+
+from django.core.files import locks
+
+__all__ = ["file_move_safe"]
+
+
+def _samefile(src, dst):
+    # Macintosh, Unix.
+    if hasattr(os.path, "samefile"):
+        try:
+            return os.path.samefile(src, dst)
+        except OSError:
+            return False
+
+    # All other platforms: check for same pathname.
+    return os.path.normcase(os.path.abspath(src)) == os.path.normcase(
+        os.path.abspath(dst)
+    )
+
+
+def file_move_safe(
+    old_file_name, new_file_name, chunk_size=1024 * 64, allow_overwrite=False
+):
+    """
+    Move a file from one location to another in the safest way possible.
+
+    First, try ``os.rename``, which is simple but will break across filesystems.
+    If that fails, stream manually from one file to another in pure Python.
+
+    If the destination file exists and ``allow_overwrite`` is ``False``, raise
+    ``FileExistsError``.
+    """
+    # There's no reason to move if we don't have to.
+    if _samefile(old_file_name, new_file_name):
+        return
+
+    try:
+        if not allow_overwrite and os.access(new_file_name, os.F_OK):
+            raise FileExistsError(
+                "Destination file %s exists and allow_overwrite is False."
+                % new_file_name
+            )
+
+        os.rename(old_file_name, new_file_name)
+        return
+    except OSError:
+        # OSError happens with os.rename() if moving to another filesystem or
+        # when moving opened files on certain operating systems.
+        pass
+
+    # first open the old file, so that it won't go away
+    with open(old_file_name, "rb") as old_file:
+        # now open the new file, not forgetting allow_overwrite
+        fd = os.open(
+            new_file_name,
+            (
+                os.O_WRONLY
+                | os.O_CREAT
+                | getattr(os, "O_BINARY", 0)
+                | (os.O_EXCL if not allow_overwrite else 0)
+            ),
+        )
+        try:
+            locks.lock(fd, locks.LOCK_EX)
+            current_chunk = None
+            while current_chunk != b"":
+                current_chunk = old_file.read(chunk_size)
+                os.write(fd, current_chunk)
+        finally:
+            locks.unlock(fd)
+            os.close(fd)
+
+    try:
+        copystat(old_file_name, new_file_name)
+    except PermissionError:
+        # Certain filesystems (e.g. CIFS) fail to copy the file's metadata if
+        # the type of the destination filesystem isn't the same as the source
+        # filesystem. This also happens with some SELinux-enabled systems.
+        # Ignore that, but try to set basic permissions.
+        try:
+            copymode(old_file_name, new_file_name)
+        except PermissionError:
+            pass
+
+    try:
+        os.remove(old_file_name)
+    except PermissionError as e:
+        # Certain operating systems (Cygwin and Windows)
+        # fail when deleting opened files, ignore it.  (For the
+        # systems where this happens, temporary files will be auto-deleted
+        # on close anyway.)
+        if getattr(e, "winerror", 0) != 32:
+            raise
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/__init__.py
new file mode 100644
index 00000000..d061d930
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/__init__.py
@@ -0,0 +1,46 @@
+import warnings
+
+from django.conf import DEFAULT_STORAGE_ALIAS, settings
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.functional import LazyObject
+from django.utils.module_loading import import_string
+
+from .base import Storage
+from .filesystem import FileSystemStorage
+from .handler import InvalidStorageError, StorageHandler
+from .memory import InMemoryStorage
+
+__all__ = (
+    "FileSystemStorage",
+    "InMemoryStorage",
+    "Storage",
+    "DefaultStorage",
+    "default_storage",
+    "get_storage_class",
+    "InvalidStorageError",
+    "StorageHandler",
+    "storages",
+)
+
+GET_STORAGE_CLASS_DEPRECATED_MSG = (
+    "django.core.files.storage.get_storage_class is deprecated in favor of "
+    "using django.core.files.storage.storages."
+)
+
+
+def get_storage_class(import_path=None):
+    warnings.warn(
+        GET_STORAGE_CLASS_DEPRECATED_MSG,
+        RemovedInDjango51Warning,
+        stacklevel=2,
+    )
+    return import_string(import_path or settings.DEFAULT_FILE_STORAGE)
+
+
+class DefaultStorage(LazyObject):
+    def _setup(self):
+        self._wrapped = storages[DEFAULT_STORAGE_ALIAS]
+
+
+storages = StorageHandler()
+default_storage = DefaultStorage()
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/base.py
new file mode 100644
index 00000000..16ac22f7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/base.py
@@ -0,0 +1,190 @@
+import os
+import pathlib
+
+from django.core.exceptions import SuspiciousFileOperation
+from django.core.files import File
+from django.core.files.utils import validate_file_name
+from django.utils.crypto import get_random_string
+from django.utils.text import get_valid_filename
+
+
+class Storage:
+    """
+    A base storage class, providing some default behaviors that all other
+    storage systems can inherit or override, as necessary.
+    """
+
+    # The following methods represent a public interface to private methods.
+    # These shouldn't be overridden by subclasses unless absolutely necessary.
+
+    def open(self, name, mode="rb"):
+        """Retrieve the specified file from storage."""
+        return self._open(name, mode)
+
+    def save(self, name, content, max_length=None):
+        """
+        Save new content to the file specified by name. The content should be
+        a proper File object or any Python file-like object, ready to be read
+        from the beginning.
+        """
+        # Get the proper name for the file, as it will actually be saved.
+        if name is None:
+            name = content.name
+
+        if not hasattr(content, "chunks"):
+            content = File(content, name)
+
+        name = self.get_available_name(name, max_length=max_length)
+        name = self._save(name, content)
+        # Ensure that the name returned from the storage system is still valid.
+        validate_file_name(name, allow_relative_path=True)
+        return name
+
+    # These methods are part of the public API, with default implementations.
+
+    def get_valid_name(self, name):
+        """
+        Return a filename, based on the provided filename, that's suitable for
+        use in the target storage system.
+        """
+        return get_valid_filename(name)
+
+    def get_alternative_name(self, file_root, file_ext):
+        """
+        Return an alternative filename, by adding an underscore and a random 7
+        character alphanumeric string (before the file extension, if one
+        exists) to the filename.
+        """
+        return "%s_%s%s" % (file_root, get_random_string(7), file_ext)
+
+    def get_available_name(self, name, max_length=None):
+        """
+        Return a filename that's free on the target storage system and
+        available for new content to be written to.
+        """
+        name = str(name).replace("\\", "/")
+        dir_name, file_name = os.path.split(name)
+        if ".." in pathlib.PurePath(dir_name).parts:
+            raise SuspiciousFileOperation(
+                "Detected path traversal attempt in '%s'" % dir_name
+            )
+        validate_file_name(file_name)
+        file_root, file_ext = os.path.splitext(file_name)
+        # If the filename already exists, generate an alternative filename
+        # until it doesn't exist.
+        # Truncate original name if required, so the new filename does not
+        # exceed the max_length.
+        while self.exists(name) or (max_length and len(name) > max_length):
+            # file_ext includes the dot.
+            name = os.path.join(
+                dir_name, self.get_alternative_name(file_root, file_ext)
+            )
+            if max_length is None:
+                continue
+            # Truncate file_root if max_length exceeded.
+            truncation = len(name) - max_length
+            if truncation > 0:
+                file_root = file_root[:-truncation]
+                # Entire file_root was truncated in attempt to find an
+                # available filename.
+                if not file_root:
+                    raise SuspiciousFileOperation(
+                        'Storage can not find an available filename for "%s". '
+                        "Please make sure that the corresponding file field "
+                        'allows sufficient "max_length".' % name
+                    )
+                name = os.path.join(
+                    dir_name, self.get_alternative_name(file_root, file_ext)
+                )
+        return name
+
+    def generate_filename(self, filename):
+        """
+        Validate the filename by calling get_valid_name() and return a filename
+        to be passed to the save() method.
+        """
+        filename = str(filename).replace("\\", "/")
+        # `filename` may include a path as returned by FileField.upload_to.
+        dirname, filename = os.path.split(filename)
+        if ".." in pathlib.PurePath(dirname).parts:
+            raise SuspiciousFileOperation(
+                "Detected path traversal attempt in '%s'" % dirname
+            )
+        return os.path.normpath(os.path.join(dirname, self.get_valid_name(filename)))
+
+    def path(self, name):
+        """
+        Return a local filesystem path where the file can be retrieved using
+        Python's built-in open() function. Storage systems that can't be
+        accessed using open() should *not* implement this method.
+        """
+        raise NotImplementedError("This backend doesn't support absolute paths.")
+
+    # The following methods form the public API for storage systems, but with
+    # no default implementations. Subclasses must implement *all* of these.
+
+    def delete(self, name):
+        """
+        Delete the specified file from the storage system.
+        """
+        raise NotImplementedError(
+            "subclasses of Storage must provide a delete() method"
+        )
+
+    def exists(self, name):
+        """
+        Return True if a file referenced by the given name already exists in the
+        storage system, or False if the name is available for a new file.
+        """
+        raise NotImplementedError(
+            "subclasses of Storage must provide an exists() method"
+        )
+
+    def listdir(self, path):
+        """
+        List the contents of the specified path. Return a 2-tuple of lists:
+        the first item being directories, the second item being files.
+        """
+        raise NotImplementedError(
+            "subclasses of Storage must provide a listdir() method"
+        )
+
+    def size(self, name):
+        """
+        Return the total size, in bytes, of the file specified by name.
+        """
+        raise NotImplementedError("subclasses of Storage must provide a size() method")
+
+    def url(self, name):
+        """
+        Return an absolute URL where the file's contents can be accessed
+        directly by a web browser.
+        """
+        raise NotImplementedError("subclasses of Storage must provide a url() method")
+
+    def get_accessed_time(self, name):
+        """
+        Return the last accessed time (as a datetime) of the file specified by
+        name. The datetime will be timezone-aware if USE_TZ=True.
+        """
+        raise NotImplementedError(
+            "subclasses of Storage must provide a get_accessed_time() method"
+        )
+
+    def get_created_time(self, name):
+        """
+        Return the creation time (as a datetime) of the file specified by name.
+        The datetime will be timezone-aware if USE_TZ=True.
+        """
+        raise NotImplementedError(
+            "subclasses of Storage must provide a get_created_time() method"
+        )
+
+    def get_modified_time(self, name):
+        """
+        Return the last modified time (as a datetime) of the file specified by
+        name. The datetime will be timezone-aware if USE_TZ=True.
+        """
+        raise NotImplementedError(
+            "subclasses of Storage must provide a get_modified_time() method"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/filesystem.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/filesystem.py
new file mode 100644
index 00000000..85fc4eff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/filesystem.py
@@ -0,0 +1,207 @@
+import os
+from datetime import datetime, timezone
+from urllib.parse import urljoin
+
+from django.conf import settings
+from django.core.files import File, locks
+from django.core.files.move import file_move_safe
+from django.core.signals import setting_changed
+from django.utils._os import safe_join
+from django.utils.deconstruct import deconstructible
+from django.utils.encoding import filepath_to_uri
+from django.utils.functional import cached_property
+
+from .base import Storage
+from .mixins import StorageSettingsMixin
+
+
+@deconstructible(path="django.core.files.storage.FileSystemStorage")
+class FileSystemStorage(Storage, StorageSettingsMixin):
+    """
+    Standard filesystem storage
+    """
+
+    # The combination of O_CREAT and O_EXCL makes os.open() raise OSError if
+    # the file already exists before it's opened.
+    OS_OPEN_FLAGS = os.O_WRONLY | os.O_CREAT | os.O_EXCL | getattr(os, "O_BINARY", 0)
+
+    def __init__(
+        self,
+        location=None,
+        base_url=None,
+        file_permissions_mode=None,
+        directory_permissions_mode=None,
+    ):
+        self._location = location
+        self._base_url = base_url
+        self._file_permissions_mode = file_permissions_mode
+        self._directory_permissions_mode = directory_permissions_mode
+        setting_changed.connect(self._clear_cached_properties)
+
+    @cached_property
+    def base_location(self):
+        return self._value_or_setting(self._location, settings.MEDIA_ROOT)
+
+    @cached_property
+    def location(self):
+        return os.path.abspath(self.base_location)
+
+    @cached_property
+    def base_url(self):
+        if self._base_url is not None and not self._base_url.endswith("/"):
+            self._base_url += "/"
+        return self._value_or_setting(self._base_url, settings.MEDIA_URL)
+
+    @cached_property
+    def file_permissions_mode(self):
+        return self._value_or_setting(
+            self._file_permissions_mode, settings.FILE_UPLOAD_PERMISSIONS
+        )
+
+    @cached_property
+    def directory_permissions_mode(self):
+        return self._value_or_setting(
+            self._directory_permissions_mode, settings.FILE_UPLOAD_DIRECTORY_PERMISSIONS
+        )
+
+    def _open(self, name, mode="rb"):
+        return File(open(self.path(name), mode))
+
+    def _save(self, name, content):
+        full_path = self.path(name)
+
+        # Create any intermediate directories that do not exist.
+        directory = os.path.dirname(full_path)
+        try:
+            if self.directory_permissions_mode is not None:
+                # Set the umask because os.makedirs() doesn't apply the "mode"
+                # argument to intermediate-level directories.
+                old_umask = os.umask(0o777 & ~self.directory_permissions_mode)
+                try:
+                    os.makedirs(
+                        directory, self.directory_permissions_mode, exist_ok=True
+                    )
+                finally:
+                    os.umask(old_umask)
+            else:
+                os.makedirs(directory, exist_ok=True)
+        except FileExistsError:
+            raise FileExistsError("%s exists and is not a directory." % directory)
+
+        # There's a potential race condition between get_available_name and
+        # saving the file; it's possible that two threads might return the
+        # same name, at which point all sorts of fun happens. So we need to
+        # try to create the file, but if it already exists we have to go back
+        # to get_available_name() and try again.
+
+        while True:
+            try:
+                # This file has a file path that we can move.
+                if hasattr(content, "temporary_file_path"):
+                    file_move_safe(content.temporary_file_path(), full_path)
+
+                # This is a normal uploadedfile that we can stream.
+                else:
+                    # The current umask value is masked out by os.open!
+                    fd = os.open(full_path, self.OS_OPEN_FLAGS, 0o666)
+                    _file = None
+                    try:
+                        locks.lock(fd, locks.LOCK_EX)
+                        for chunk in content.chunks():
+                            if _file is None:
+                                mode = "wb" if isinstance(chunk, bytes) else "wt"
+                                _file = os.fdopen(fd, mode)
+                            _file.write(chunk)
+                    finally:
+                        locks.unlock(fd)
+                        if _file is not None:
+                            _file.close()
+                        else:
+                            os.close(fd)
+            except FileExistsError:
+                # A new name is needed if the file exists.
+                name = self.get_available_name(name)
+                full_path = self.path(name)
+            else:
+                # OK, the file save worked. Break out of the loop.
+                break
+
+        if self.file_permissions_mode is not None:
+            os.chmod(full_path, self.file_permissions_mode)
+
+        # Ensure the saved path is always relative to the storage root.
+        name = os.path.relpath(full_path, self.location)
+        # Ensure the moved file has the same gid as the storage root.
+        self._ensure_location_group_id(full_path)
+        # Store filenames with forward slashes, even on Windows.
+        return str(name).replace("\\", "/")
+
+    def _ensure_location_group_id(self, full_path):
+        if os.name == "posix":
+            file_gid = os.stat(full_path).st_gid
+            location_gid = os.stat(self.location).st_gid
+            if file_gid != location_gid:
+                try:
+                    os.chown(full_path, uid=-1, gid=location_gid)
+                except PermissionError:
+                    pass
+
+    def delete(self, name):
+        if not name:
+            raise ValueError("The name must be given to delete().")
+        name = self.path(name)
+        # If the file or directory exists, delete it from the filesystem.
+        try:
+            if os.path.isdir(name):
+                os.rmdir(name)
+            else:
+                os.remove(name)
+        except FileNotFoundError:
+            # FileNotFoundError is raised if the file or directory was removed
+            # concurrently.
+            pass
+
+    def exists(self, name):
+        return os.path.lexists(self.path(name))
+
+    def listdir(self, path):
+        path = self.path(path)
+        directories, files = [], []
+        with os.scandir(path) as entries:
+            for entry in entries:
+                if entry.is_dir():
+                    directories.append(entry.name)
+                else:
+                    files.append(entry.name)
+        return directories, files
+
+    def path(self, name):
+        return safe_join(self.location, name)
+
+    def size(self, name):
+        return os.path.getsize(self.path(name))
+
+    def url(self, name):
+        if self.base_url is None:
+            raise ValueError("This file is not accessible via a URL.")
+        url = filepath_to_uri(name)
+        if url is not None:
+            url = url.lstrip("/")
+        return urljoin(self.base_url, url)
+
+    def _datetime_from_timestamp(self, ts):
+        """
+        If timezone support is enabled, make an aware datetime object in UTC;
+        otherwise make a naive one in the local timezone.
+        """
+        tz = timezone.utc if settings.USE_TZ else None
+        return datetime.fromtimestamp(ts, tz=tz)
+
+    def get_accessed_time(self, name):
+        return self._datetime_from_timestamp(os.path.getatime(self.path(name)))
+
+    def get_created_time(self, name):
+        return self._datetime_from_timestamp(os.path.getctime(self.path(name)))
+
+    def get_modified_time(self, name):
+        return self._datetime_from_timestamp(os.path.getmtime(self.path(name)))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/handler.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/handler.py
new file mode 100644
index 00000000..ad2054c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/handler.py
@@ -0,0 +1,55 @@
+from django.conf import DEFAULT_STORAGE_ALIAS, STATICFILES_STORAGE_ALIAS, settings
+from django.core.exceptions import ImproperlyConfigured
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+
+
+class InvalidStorageError(ImproperlyConfigured):
+    pass
+
+
+class StorageHandler:
+    def __init__(self, backends=None):
+        # backends is an optional dict of storage backend definitions
+        # (structured like settings.STORAGES).
+        self._backends = backends
+        self._storages = {}
+
+    @cached_property
+    def backends(self):
+        if self._backends is None:
+            self._backends = settings.STORAGES.copy()
+            # RemovedInDjango51Warning.
+            if settings.is_overridden("DEFAULT_FILE_STORAGE"):
+                self._backends[DEFAULT_STORAGE_ALIAS] = {
+                    "BACKEND": settings.DEFAULT_FILE_STORAGE
+                }
+            if settings.is_overridden("STATICFILES_STORAGE"):
+                self._backends[STATICFILES_STORAGE_ALIAS] = {
+                    "BACKEND": settings.STATICFILES_STORAGE
+                }
+        return self._backends
+
+    def __getitem__(self, alias):
+        try:
+            return self._storages[alias]
+        except KeyError:
+            try:
+                params = self.backends[alias]
+            except KeyError:
+                raise InvalidStorageError(
+                    f"Could not find config for '{alias}' in settings.STORAGES."
+                )
+            storage = self.create_storage(params)
+            self._storages[alias] = storage
+            return storage
+
+    def create_storage(self, params):
+        params = params.copy()
+        backend = params.pop("BACKEND")
+        options = params.pop("OPTIONS", {})
+        try:
+            storage_cls = import_string(backend)
+        except ImportError as e:
+            raise InvalidStorageError(f"Could not find backend {backend!r}: {e}") from e
+        return storage_cls(**options)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/memory.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/memory.py
new file mode 100644
index 00000000..39a8aef3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/memory.py
@@ -0,0 +1,290 @@
+"""
+Based on dj-inmemorystorage (BSD) by Cody Soyland, Seán Hayes, Tore Birkeland,
+and Nick Presta.
+"""
+
+import errno
+import io
+import os
+import pathlib
+from urllib.parse import urljoin
+
+from django.conf import settings
+from django.core.files.base import ContentFile
+from django.core.signals import setting_changed
+from django.utils._os import safe_join
+from django.utils.deconstruct import deconstructible
+from django.utils.encoding import filepath_to_uri
+from django.utils.functional import cached_property
+from django.utils.timezone import now
+
+from .base import Storage
+from .mixins import StorageSettingsMixin
+
+__all__ = ("InMemoryStorage",)
+
+
+class TimingMixin:
+    def _initialize_times(self):
+        self.created_time = now()
+        self.accessed_time = self.created_time
+        self.modified_time = self.created_time
+
+    def _update_accessed_time(self):
+        self.accessed_time = now()
+
+    def _update_modified_time(self):
+        self.modified_time = now()
+
+
+class InMemoryFileNode(ContentFile, TimingMixin):
+    """
+    Helper class representing an in-memory file node.
+
+    Handle unicode/bytes conversion during I/O operations and record creation,
+    modification, and access times.
+    """
+
+    def __init__(self, content="", name=""):
+        self.file = None
+        self._content_type = type(content)
+        self._initialize_stream()
+        self._initialize_times()
+
+    def open(self, mode):
+        self._convert_stream_content(mode)
+        self._update_accessed_time()
+        return super().open(mode)
+
+    def write(self, data):
+        super().write(data)
+        self._update_modified_time()
+
+    def _initialize_stream(self):
+        """Initialize underlying stream according to the content type."""
+        self.file = io.BytesIO() if self._content_type == bytes else io.StringIO()
+
+    def _convert_stream_content(self, mode):
+        """Convert actual file content according to the opening mode."""
+        new_content_type = bytes if "b" in mode else str
+        # No conversion needed.
+        if self._content_type == new_content_type:
+            return
+
+        content = self.file.getvalue()
+        content = content.encode() if isinstance(content, str) else content.decode()
+        self._content_type = new_content_type
+        self._initialize_stream()
+
+        self.file.write(content)
+
+
+class InMemoryDirNode(TimingMixin):
+    """
+    Helper class representing an in-memory directory node.
+
+    Handle path navigation of directory trees, creating missing nodes if
+    needed.
+    """
+
+    def __init__(self):
+        self._children = {}
+        self._initialize_times()
+
+    def resolve(self, path, create_if_missing=False, leaf_cls=None, check_exists=True):
+        """
+        Navigate current directory tree, returning node matching path or
+        creating a new one, if missing.
+        - path: path of the node to search
+        - create_if_missing: create nodes if not exist. Defaults to False.
+        - leaf_cls: expected type of leaf node. Defaults to None.
+        - check_exists: if True and the leaf node does not exist, raise a
+          FileNotFoundError. Defaults to True.
+        """
+        path_segments = list(pathlib.Path(path).parts)
+        current_node = self
+
+        while path_segments:
+            path_segment = path_segments.pop(0)
+            # If current node is a file node and there are unprocessed
+            # segments, raise an error.
+            if isinstance(current_node, InMemoryFileNode):
+                path_segments = os.path.split(path)
+                current_path = "/".join(
+                    path_segments[: path_segments.index(path_segment)]
+                )
+                raise NotADirectoryError(
+                    errno.ENOTDIR, os.strerror(errno.ENOTDIR), current_path
+                )
+            current_node = current_node._resolve_child(
+                path_segment,
+                create_if_missing,
+                leaf_cls if len(path_segments) == 0 else InMemoryDirNode,
+            )
+            if current_node is None:
+                break
+
+        if current_node is None and check_exists:
+            raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT), path)
+
+        # If a leaf_cls is not None, check if leaf node is of right type.
+        if leaf_cls and not isinstance(current_node, leaf_cls):
+            error_cls, error_code = (
+                (NotADirectoryError, errno.ENOTDIR)
+                if leaf_cls is InMemoryDirNode
+                else (IsADirectoryError, errno.EISDIR)
+            )
+            raise error_cls(error_code, os.strerror(error_code), path)
+
+        return current_node
+
+    def _resolve_child(self, path_segment, create_if_missing, child_cls):
+        if create_if_missing:
+            self._update_accessed_time()
+            self._update_modified_time()
+            return self._children.setdefault(path_segment, child_cls())
+        return self._children.get(path_segment)
+
+    def listdir(self):
+        directories, files = [], []
+        for name, entry in self._children.items():
+            if isinstance(entry, InMemoryDirNode):
+                directories.append(name)
+            else:
+                files.append(name)
+        return directories, files
+
+    def remove_child(self, name):
+        if name in self._children:
+            self._update_accessed_time()
+            self._update_modified_time()
+            del self._children[name]
+
+
+@deconstructible(path="django.core.files.storage.InMemoryStorage")
+class InMemoryStorage(Storage, StorageSettingsMixin):
+    """A storage saving files in memory."""
+
+    def __init__(
+        self,
+        location=None,
+        base_url=None,
+        file_permissions_mode=None,
+        directory_permissions_mode=None,
+    ):
+        self._location = location
+        self._base_url = base_url
+        self._file_permissions_mode = file_permissions_mode
+        self._directory_permissions_mode = directory_permissions_mode
+        self._root = InMemoryDirNode()
+        self._resolve(
+            self.base_location, create_if_missing=True, leaf_cls=InMemoryDirNode
+        )
+        setting_changed.connect(self._clear_cached_properties)
+
+    @cached_property
+    def base_location(self):
+        return self._value_or_setting(self._location, settings.MEDIA_ROOT)
+
+    @cached_property
+    def location(self):
+        return os.path.abspath(self.base_location)
+
+    @cached_property
+    def base_url(self):
+        if self._base_url is not None and not self._base_url.endswith("/"):
+            self._base_url += "/"
+        return self._value_or_setting(self._base_url, settings.MEDIA_URL)
+
+    @cached_property
+    def file_permissions_mode(self):
+        return self._value_or_setting(
+            self._file_permissions_mode, settings.FILE_UPLOAD_PERMISSIONS
+        )
+
+    @cached_property
+    def directory_permissions_mode(self):
+        return self._value_or_setting(
+            self._directory_permissions_mode, settings.FILE_UPLOAD_DIRECTORY_PERMISSIONS
+        )
+
+    def _relative_path(self, name):
+        full_path = self.path(name)
+        return os.path.relpath(full_path, self.location)
+
+    def _resolve(self, name, create_if_missing=False, leaf_cls=None, check_exists=True):
+        try:
+            relative_path = self._relative_path(name)
+            return self._root.resolve(
+                relative_path,
+                create_if_missing=create_if_missing,
+                leaf_cls=leaf_cls,
+                check_exists=check_exists,
+            )
+        except NotADirectoryError as exc:
+            absolute_path = self.path(exc.filename)
+            raise FileExistsError(f"{absolute_path} exists and is not a directory.")
+
+    def _open(self, name, mode="rb"):
+        create_if_missing = "w" in mode
+        file_node = self._resolve(
+            name, create_if_missing=create_if_missing, leaf_cls=InMemoryFileNode
+        )
+        return file_node.open(mode)
+
+    def _save(self, name, content):
+        file_node = self._resolve(
+            name, create_if_missing=True, leaf_cls=InMemoryFileNode
+        )
+        fd = None
+        for chunk in content.chunks():
+            if fd is None:
+                mode = "wb" if isinstance(chunk, bytes) else "wt"
+                fd = file_node.open(mode)
+            fd.write(chunk)
+
+        if hasattr(content, "temporary_file_path"):
+            os.remove(content.temporary_file_path())
+
+        file_node.modified_time = now()
+        return self._relative_path(name).replace("\\", "/")
+
+    def path(self, name):
+        return safe_join(self.location, name)
+
+    def delete(self, name):
+        path, filename = os.path.split(name)
+        dir_node = self._resolve(path, check_exists=False)
+        if dir_node is None:
+            return None
+        dir_node.remove_child(filename)
+
+    def exists(self, name):
+        return self._resolve(name, check_exists=False) is not None
+
+    def listdir(self, path):
+        node = self._resolve(path, leaf_cls=InMemoryDirNode)
+        return node.listdir()
+
+    def size(self, name):
+        return len(self._open(name, "rb").file.getvalue())
+
+    def url(self, name):
+        if self.base_url is None:
+            raise ValueError("This file is not accessible via a URL.")
+        url = filepath_to_uri(name)
+        if url is not None:
+            url = url.lstrip("/")
+        return urljoin(self.base_url, url)
+
+    def get_accessed_time(self, name):
+        file_node = self._resolve(name)
+        return file_node.accessed_time
+
+    def get_created_time(self, name):
+        file_node = self._resolve(name)
+        return file_node.created_time
+
+    def get_modified_time(self, name):
+        file_node = self._resolve(name)
+        return file_node.modified_time
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/mixins.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/mixins.py
new file mode 100644
index 00000000..663a163b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/storage/mixins.py
@@ -0,0 +1,15 @@
+class StorageSettingsMixin:
+    def _clear_cached_properties(self, setting, **kwargs):
+        """Reset setting based property values."""
+        if setting == "MEDIA_ROOT":
+            self.__dict__.pop("base_location", None)
+            self.__dict__.pop("location", None)
+        elif setting == "MEDIA_URL":
+            self.__dict__.pop("base_url", None)
+        elif setting == "FILE_UPLOAD_PERMISSIONS":
+            self.__dict__.pop("file_permissions_mode", None)
+        elif setting == "FILE_UPLOAD_DIRECTORY_PERMISSIONS":
+            self.__dict__.pop("directory_permissions_mode", None)
+
+    def _value_or_setting(self, value, setting):
+        return setting if value is None else value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/temp.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/temp.py
new file mode 100644
index 00000000..5bd31dd5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/temp.py
@@ -0,0 +1,79 @@
+"""
+The temp module provides a NamedTemporaryFile that can be reopened in the same
+process on any platform. Most platforms use the standard Python
+tempfile.NamedTemporaryFile class, but Windows users are given a custom class.
+
+This is needed because the Python implementation of NamedTemporaryFile uses the
+O_TEMPORARY flag under Windows, which prevents the file from being reopened
+if the same flag is not provided [1][2]. Note that this does not address the
+more general issue of opening a file for writing and reading in multiple
+processes in a manner that works across platforms.
+
+The custom version of NamedTemporaryFile doesn't support the same keyword
+arguments available in tempfile.NamedTemporaryFile.
+
+1: https://mail.python.org/pipermail/python-list/2005-December/336957.html
+2: https://bugs.python.org/issue14243
+"""
+
+import os
+import tempfile
+
+from django.core.files.utils import FileProxyMixin
+
+__all__ = (
+    "NamedTemporaryFile",
+    "gettempdir",
+)
+
+
+if os.name == "nt":
+
+    class TemporaryFile(FileProxyMixin):
+        """
+        Temporary file object constructor that supports reopening of the
+        temporary file in Windows.
+
+        Unlike tempfile.NamedTemporaryFile from the standard library,
+        __init__() doesn't support the 'delete', 'buffering', 'encoding', or
+        'newline' keyword arguments.
+        """
+
+        def __init__(self, mode="w+b", bufsize=-1, suffix="", prefix="", dir=None):
+            fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, dir=dir)
+            self.name = name
+            self.file = os.fdopen(fd, mode, bufsize)
+            self.close_called = False
+
+        # Because close can be called during shutdown
+        # we need to cache os.unlink and access it
+        # as self.unlink only
+        unlink = os.unlink
+
+        def close(self):
+            if not self.close_called:
+                self.close_called = True
+                try:
+                    self.file.close()
+                except OSError:
+                    pass
+                try:
+                    self.unlink(self.name)
+                except OSError:
+                    pass
+
+        def __del__(self):
+            self.close()
+
+        def __enter__(self):
+            self.file.__enter__()
+            return self
+
+        def __exit__(self, exc, value, tb):
+            self.file.__exit__(exc, value, tb)
+
+    NamedTemporaryFile = TemporaryFile
+else:
+    NamedTemporaryFile = tempfile.NamedTemporaryFile
+
+gettempdir = tempfile.gettempdir
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/uploadedfile.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/uploadedfile.py
new file mode 100644
index 00000000..efbfcac4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/uploadedfile.py
@@ -0,0 +1,150 @@
+"""
+Classes representing uploaded files.
+"""
+
+import os
+from io import BytesIO
+
+from django.conf import settings
+from django.core.files import temp as tempfile
+from django.core.files.base import File
+from django.core.files.utils import validate_file_name
+
+__all__ = (
+    "UploadedFile",
+    "TemporaryUploadedFile",
+    "InMemoryUploadedFile",
+    "SimpleUploadedFile",
+)
+
+
+class UploadedFile(File):
+    """
+    An abstract uploaded file (``TemporaryUploadedFile`` and
+    ``InMemoryUploadedFile`` are the built-in concrete subclasses).
+
+    An ``UploadedFile`` object behaves somewhat like a file object and
+    represents some file data that the user submitted with a form.
+    """
+
+    def __init__(
+        self,
+        file=None,
+        name=None,
+        content_type=None,
+        size=None,
+        charset=None,
+        content_type_extra=None,
+    ):
+        super().__init__(file, name)
+        self.size = size
+        self.content_type = content_type
+        self.charset = charset
+        self.content_type_extra = content_type_extra
+
+    def __repr__(self):
+        return "<%s: %s (%s)>" % (self.__class__.__name__, self.name, self.content_type)
+
+    def _get_name(self):
+        return self._name
+
+    def _set_name(self, name):
+        # Sanitize the file name so that it can't be dangerous.
+        if name is not None:
+            # Just use the basename of the file -- anything else is dangerous.
+            name = os.path.basename(name)
+
+            # File names longer than 255 characters can cause problems on older OSes.
+            if len(name) > 255:
+                name, ext = os.path.splitext(name)
+                ext = ext[:255]
+                name = name[: 255 - len(ext)] + ext
+
+            name = validate_file_name(name)
+
+        self._name = name
+
+    name = property(_get_name, _set_name)
+
+
+class TemporaryUploadedFile(UploadedFile):
+    """
+    A file uploaded to a temporary location (i.e. stream-to-disk).
+    """
+
+    def __init__(self, name, content_type, size, charset, content_type_extra=None):
+        _, ext = os.path.splitext(name)
+        file = tempfile.NamedTemporaryFile(
+            suffix=".upload" + ext, dir=settings.FILE_UPLOAD_TEMP_DIR
+        )
+        super().__init__(file, name, content_type, size, charset, content_type_extra)
+
+    def temporary_file_path(self):
+        """Return the full path of this file."""
+        return self.file.name
+
+    def close(self):
+        try:
+            return self.file.close()
+        except FileNotFoundError:
+            # The file was moved or deleted before the tempfile could unlink
+            # it. Still sets self.file.close_called and calls
+            # self.file.file.close() before the exception.
+            pass
+
+
+class InMemoryUploadedFile(UploadedFile):
+    """
+    A file uploaded into memory (i.e. stream-to-memory).
+    """
+
+    def __init__(
+        self,
+        file,
+        field_name,
+        name,
+        content_type,
+        size,
+        charset,
+        content_type_extra=None,
+    ):
+        super().__init__(file, name, content_type, size, charset, content_type_extra)
+        self.field_name = field_name
+
+    def open(self, mode=None):
+        self.file.seek(0)
+        return self
+
+    def chunks(self, chunk_size=None):
+        self.file.seek(0)
+        yield self.read()
+
+    def multiple_chunks(self, chunk_size=None):
+        # Since it's in memory, we'll never have multiple chunks.
+        return False
+
+
+class SimpleUploadedFile(InMemoryUploadedFile):
+    """
+    A simple representation of a file, which just has content, size, and a name.
+    """
+
+    def __init__(self, name, content, content_type="text/plain"):
+        content = content or b""
+        super().__init__(
+            BytesIO(content), None, name, content_type, len(content), None, None
+        )
+
+    @classmethod
+    def from_dict(cls, file_dict):
+        """
+        Create a SimpleUploadedFile object from a dictionary with keys:
+           - filename
+           - content-type
+           - content
+        """
+        return cls(
+            file_dict["filename"],
+            file_dict["content"],
+            file_dict.get("content-type", "text/plain"),
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/uploadhandler.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/uploadhandler.py
new file mode 100644
index 00000000..ab86f7fe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/uploadhandler.py
@@ -0,0 +1,252 @@
+"""
+Base file upload handler classes, and the built-in concrete subclasses
+"""
+
+import os
+from io import BytesIO
+
+from django.conf import settings
+from django.core.files.uploadedfile import InMemoryUploadedFile, TemporaryUploadedFile
+from django.utils.module_loading import import_string
+
+__all__ = [
+    "UploadFileException",
+    "StopUpload",
+    "SkipFile",
+    "FileUploadHandler",
+    "TemporaryFileUploadHandler",
+    "MemoryFileUploadHandler",
+    "load_handler",
+    "StopFutureHandlers",
+]
+
+
+class UploadFileException(Exception):
+    """
+    Any error having to do with uploading files.
+    """
+
+    pass
+
+
+class StopUpload(UploadFileException):
+    """
+    This exception is raised when an upload must abort.
+    """
+
+    def __init__(self, connection_reset=False):
+        """
+        If ``connection_reset`` is ``True``, Django knows will halt the upload
+        without consuming the rest of the upload. This will cause the browser to
+        show a "connection reset" error.
+        """
+        self.connection_reset = connection_reset
+
+    def __str__(self):
+        if self.connection_reset:
+            return "StopUpload: Halt current upload."
+        else:
+            return "StopUpload: Consume request data, then halt."
+
+
+class SkipFile(UploadFileException):
+    """
+    This exception is raised by an upload handler that wants to skip a given file.
+    """
+
+    pass
+
+
+class StopFutureHandlers(UploadFileException):
+    """
+    Upload handlers that have handled a file and do not want future handlers to
+    run should raise this exception instead of returning None.
+    """
+
+    pass
+
+
+class FileUploadHandler:
+    """
+    Base class for streaming upload handlers.
+    """
+
+    chunk_size = 64 * 2**10  # : The default chunk size is 64 KB.
+
+    def __init__(self, request=None):
+        self.file_name = None
+        self.content_type = None
+        self.content_length = None
+        self.charset = None
+        self.content_type_extra = None
+        self.request = request
+
+    def handle_raw_input(
+        self, input_data, META, content_length, boundary, encoding=None
+    ):
+        """
+        Handle the raw input from the client.
+
+        Parameters:
+
+            :input_data:
+                An object that supports reading via .read().
+            :META:
+                ``request.META``.
+            :content_length:
+                The (integer) value of the Content-Length header from the
+                client.
+            :boundary: The boundary from the Content-Type header. Be sure to
+                prepend two '--'.
+        """
+        pass
+
+    def new_file(
+        self,
+        field_name,
+        file_name,
+        content_type,
+        content_length,
+        charset=None,
+        content_type_extra=None,
+    ):
+        """
+        Signal that a new file has been started.
+
+        Warning: As with any data from the client, you should not trust
+        content_length (and sometimes won't even get it).
+        """
+        self.field_name = field_name
+        self.file_name = file_name
+        self.content_type = content_type
+        self.content_length = content_length
+        self.charset = charset
+        self.content_type_extra = content_type_extra
+
+    def receive_data_chunk(self, raw_data, start):
+        """
+        Receive data from the streamed upload parser. ``start`` is the position
+        in the file of the chunk.
+        """
+        raise NotImplementedError(
+            "subclasses of FileUploadHandler must provide a receive_data_chunk() method"
+        )
+
+    def file_complete(self, file_size):
+        """
+        Signal that a file has completed. File size corresponds to the actual
+        size accumulated by all the chunks.
+
+        Subclasses should return a valid ``UploadedFile`` object.
+        """
+        raise NotImplementedError(
+            "subclasses of FileUploadHandler must provide a file_complete() method"
+        )
+
+    def upload_complete(self):
+        """
+        Signal that the upload is complete. Subclasses should perform cleanup
+        that is necessary for this handler.
+        """
+        pass
+
+    def upload_interrupted(self):
+        """
+        Signal that the upload was interrupted. Subclasses should perform
+        cleanup that is necessary for this handler.
+        """
+        pass
+
+
+class TemporaryFileUploadHandler(FileUploadHandler):
+    """
+    Upload handler that streams data into a temporary file.
+    """
+
+    def new_file(self, *args, **kwargs):
+        """
+        Create the file object to append to as data is coming in.
+        """
+        super().new_file(*args, **kwargs)
+        self.file = TemporaryUploadedFile(
+            self.file_name, self.content_type, 0, self.charset, self.content_type_extra
+        )
+
+    def receive_data_chunk(self, raw_data, start):
+        self.file.write(raw_data)
+
+    def file_complete(self, file_size):
+        self.file.seek(0)
+        self.file.size = file_size
+        return self.file
+
+    def upload_interrupted(self):
+        if hasattr(self, "file"):
+            temp_location = self.file.temporary_file_path()
+            try:
+                self.file.close()
+                os.remove(temp_location)
+            except FileNotFoundError:
+                pass
+
+
+class MemoryFileUploadHandler(FileUploadHandler):
+    """
+    File upload handler to stream uploads into memory (used for small files).
+    """
+
+    def handle_raw_input(
+        self, input_data, META, content_length, boundary, encoding=None
+    ):
+        """
+        Use the content_length to signal whether or not this handler should be
+        used.
+        """
+        # Check the content-length header to see if we should
+        # If the post is too large, we cannot use the Memory handler.
+        self.activated = content_length <= settings.FILE_UPLOAD_MAX_MEMORY_SIZE
+
+    def new_file(self, *args, **kwargs):
+        super().new_file(*args, **kwargs)
+        if self.activated:
+            self.file = BytesIO()
+            raise StopFutureHandlers()
+
+    def receive_data_chunk(self, raw_data, start):
+        """Add the data to the BytesIO file."""
+        if self.activated:
+            self.file.write(raw_data)
+        else:
+            return raw_data
+
+    def file_complete(self, file_size):
+        """Return a file object if this handler is activated."""
+        if not self.activated:
+            return
+
+        self.file.seek(0)
+        return InMemoryUploadedFile(
+            file=self.file,
+            field_name=self.field_name,
+            name=self.file_name,
+            content_type=self.content_type,
+            size=file_size,
+            charset=self.charset,
+            content_type_extra=self.content_type_extra,
+        )
+
+
+def load_handler(path, *args, **kwargs):
+    """
+    Given a path to a handler, return an instance of that handler.
+
+    E.g.::
+        >>> from django.http import HttpRequest
+        >>> request = HttpRequest()
+        >>> load_handler(
+        ...     'django.core.files.uploadhandler.TemporaryFileUploadHandler',
+        ...     request,
+        ... )
+        <TemporaryFileUploadHandler object at 0x...>
+    """
+    return import_string(path)(*args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/utils.py
new file mode 100644
index 00000000..611f932f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/files/utils.py
@@ -0,0 +1,78 @@
+import os
+import pathlib
+
+from django.core.exceptions import SuspiciousFileOperation
+
+
+def validate_file_name(name, allow_relative_path=False):
+    # Remove potentially dangerous names
+    if os.path.basename(name) in {"", ".", ".."}:
+        raise SuspiciousFileOperation("Could not derive file name from '%s'" % name)
+
+    if allow_relative_path:
+        # Use PurePosixPath() because this branch is checked only in
+        # FileField.generate_filename() where all file paths are expected to be
+        # Unix style (with forward slashes).
+        path = pathlib.PurePosixPath(name)
+        if path.is_absolute() or ".." in path.parts:
+            raise SuspiciousFileOperation(
+                "Detected path traversal attempt in '%s'" % name
+            )
+    elif name != os.path.basename(name):
+        raise SuspiciousFileOperation("File name '%s' includes path elements" % name)
+
+    return name
+
+
+class FileProxyMixin:
+    """
+    A mixin class used to forward file methods to an underlying file
+    object.  The internal file object has to be called "file"::
+
+        class FileProxy(FileProxyMixin):
+            def __init__(self, file):
+                self.file = file
+    """
+
+    encoding = property(lambda self: self.file.encoding)
+    fileno = property(lambda self: self.file.fileno)
+    flush = property(lambda self: self.file.flush)
+    isatty = property(lambda self: self.file.isatty)
+    newlines = property(lambda self: self.file.newlines)
+    read = property(lambda self: self.file.read)
+    readinto = property(lambda self: self.file.readinto)
+    readline = property(lambda self: self.file.readline)
+    readlines = property(lambda self: self.file.readlines)
+    seek = property(lambda self: self.file.seek)
+    tell = property(lambda self: self.file.tell)
+    truncate = property(lambda self: self.file.truncate)
+    write = property(lambda self: self.file.write)
+    writelines = property(lambda self: self.file.writelines)
+
+    @property
+    def closed(self):
+        return not self.file or self.file.closed
+
+    def readable(self):
+        if self.closed:
+            return False
+        if hasattr(self.file, "readable"):
+            return self.file.readable()
+        return True
+
+    def writable(self):
+        if self.closed:
+            return False
+        if hasattr(self.file, "writable"):
+            return self.file.writable()
+        return "w" in getattr(self.file, "mode", "")
+
+    def seekable(self):
+        if self.closed:
+            return False
+        if hasattr(self.file, "seekable"):
+            return self.file.seekable()
+        return True
+
+    def __iter__(self):
+        return iter(self.file)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/asgi.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/asgi.py
new file mode 100644
index 00000000..3af08059
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/asgi.py
@@ -0,0 +1,380 @@
+import asyncio
+import logging
+import sys
+import tempfile
+import traceback
+from contextlib import aclosing
+
+from asgiref.sync import ThreadSensitiveContext, sync_to_async
+
+from django.conf import settings
+from django.core import signals
+from django.core.exceptions import RequestAborted, RequestDataTooBig
+from django.core.handlers import base
+from django.http import (
+    FileResponse,
+    HttpRequest,
+    HttpResponse,
+    HttpResponseBadRequest,
+    HttpResponseServerError,
+    QueryDict,
+    parse_cookie,
+)
+from django.urls import set_script_prefix
+from django.utils.functional import cached_property
+
+logger = logging.getLogger("django.request")
+
+
+def get_script_prefix(scope):
+    """
+    Return the script prefix to use from either the scope or a setting.
+    """
+    if settings.FORCE_SCRIPT_NAME:
+        return settings.FORCE_SCRIPT_NAME
+    return scope.get("root_path", "") or ""
+
+
+class ASGIRequest(HttpRequest):
+    """
+    Custom request subclass that decodes from an ASGI-standard request dict
+    and wraps request body handling.
+    """
+
+    # Number of seconds until a Request gives up on trying to read a request
+    # body and aborts.
+    body_receive_timeout = 60
+
+    def __init__(self, scope, body_file):
+        self.scope = scope
+        self._post_parse_error = False
+        self._read_started = False
+        self.resolver_match = None
+        self.script_name = get_script_prefix(scope)
+        if self.script_name:
+            # TODO: Better is-prefix checking, slash handling?
+            self.path_info = scope["path"].removeprefix(self.script_name)
+        else:
+            self.path_info = scope["path"]
+        # The Django path is different from ASGI scope path args, it should
+        # combine with script name.
+        if self.script_name:
+            self.path = "%s/%s" % (
+                self.script_name.rstrip("/"),
+                self.path_info.replace("/", "", 1),
+            )
+        else:
+            self.path = scope["path"]
+        # HTTP basics.
+        self.method = self.scope["method"].upper()
+        # Ensure query string is encoded correctly.
+        query_string = self.scope.get("query_string", "")
+        if isinstance(query_string, bytes):
+            query_string = query_string.decode()
+        self.META = {
+            "REQUEST_METHOD": self.method,
+            "QUERY_STRING": query_string,
+            "SCRIPT_NAME": self.script_name,
+            "PATH_INFO": self.path_info,
+            # WSGI-expecting code will need these for a while
+            "wsgi.multithread": True,
+            "wsgi.multiprocess": True,
+        }
+        if self.scope.get("client"):
+            self.META["REMOTE_ADDR"] = self.scope["client"][0]
+            self.META["REMOTE_HOST"] = self.META["REMOTE_ADDR"]
+            self.META["REMOTE_PORT"] = self.scope["client"][1]
+        if self.scope.get("server"):
+            self.META["SERVER_NAME"] = self.scope["server"][0]
+            self.META["SERVER_PORT"] = str(self.scope["server"][1])
+        else:
+            self.META["SERVER_NAME"] = "unknown"
+            self.META["SERVER_PORT"] = "0"
+        # Headers go into META.
+        for name, value in self.scope.get("headers", []):
+            name = name.decode("latin1")
+            if name == "content-length":
+                corrected_name = "CONTENT_LENGTH"
+            elif name == "content-type":
+                corrected_name = "CONTENT_TYPE"
+            else:
+                corrected_name = "HTTP_%s" % name.upper().replace("-", "_")
+            # HTTP/2 say only ASCII chars are allowed in headers, but decode
+            # latin1 just in case.
+            value = value.decode("latin1")
+            if corrected_name in self.META:
+                value = self.META[corrected_name] + "," + value
+            self.META[corrected_name] = value
+        # Pull out request encoding, if provided.
+        self._set_content_type_params(self.META)
+        # Directly assign the body file to be our stream.
+        self._stream = body_file
+        # Other bits.
+        self.resolver_match = None
+
+    @cached_property
+    def GET(self):
+        return QueryDict(self.META["QUERY_STRING"])
+
+    def _get_scheme(self):
+        return self.scope.get("scheme") or super()._get_scheme()
+
+    def _get_post(self):
+        if not hasattr(self, "_post"):
+            self._load_post_and_files()
+        return self._post
+
+    def _set_post(self, post):
+        self._post = post
+
+    def _get_files(self):
+        if not hasattr(self, "_files"):
+            self._load_post_and_files()
+        return self._files
+
+    POST = property(_get_post, _set_post)
+    FILES = property(_get_files)
+
+    @cached_property
+    def COOKIES(self):
+        return parse_cookie(self.META.get("HTTP_COOKIE", ""))
+
+    def close(self):
+        super().close()
+        self._stream.close()
+
+
+class ASGIHandler(base.BaseHandler):
+    """Handler for ASGI requests."""
+
+    request_class = ASGIRequest
+    # Size to chunk response bodies into for multiple response messages.
+    chunk_size = 2**16
+
+    def __init__(self):
+        super().__init__()
+        self.load_middleware(is_async=True)
+
+    async def __call__(self, scope, receive, send):
+        """
+        Async entrypoint - parses the request and hands off to get_response.
+        """
+        # Serve only HTTP connections.
+        # FIXME: Allow to override this.
+        if scope["type"] != "http":
+            raise ValueError(
+                "Django can only handle ASGI/HTTP connections, not %s." % scope["type"]
+            )
+
+        async with ThreadSensitiveContext():
+            await self.handle(scope, receive, send)
+
+    async def handle(self, scope, receive, send):
+        """
+        Handles the ASGI request. Called via the __call__ method.
+        """
+        # Receive the HTTP request body as a stream object.
+        try:
+            body_file = await self.read_body(receive)
+        except RequestAborted:
+            return
+        # Request is complete and can be served.
+        set_script_prefix(get_script_prefix(scope))
+        await signals.request_started.asend(sender=self.__class__, scope=scope)
+        # Get the request and check for basic issues.
+        request, error_response = self.create_request(scope, body_file)
+        if request is None:
+            body_file.close()
+            await self.send_response(error_response, send)
+            await sync_to_async(error_response.close)()
+            return
+
+        async def process_request(request, send):
+            response = await self.run_get_response(request)
+            try:
+                await self.send_response(response, send)
+            except asyncio.CancelledError:
+                # Client disconnected during send_response (ignore exception).
+                pass
+
+            return response
+
+        # Try to catch a disconnect while getting response.
+        tasks = [
+            # Check the status of these tasks and (optionally) terminate them
+            # in this order. The listen_for_disconnect() task goes first
+            # because it should not raise unexpected errors that would prevent
+            # us from cancelling process_request().
+            asyncio.create_task(self.listen_for_disconnect(receive)),
+            asyncio.create_task(process_request(request, send)),
+        ]
+        await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
+        # Now wait on both tasks (they may have both finished by now).
+        for task in tasks:
+            if task.done():
+                try:
+                    task.result()
+                except RequestAborted:
+                    # Ignore client disconnects.
+                    pass
+                except AssertionError:
+                    body_file.close()
+                    raise
+            else:
+                # Allow views to handle cancellation.
+                task.cancel()
+                try:
+                    await task
+                except asyncio.CancelledError:
+                    # Task re-raised the CancelledError as expected.
+                    pass
+
+        try:
+            response = tasks[1].result()
+        except asyncio.CancelledError:
+            await signals.request_finished.asend(sender=self.__class__)
+        else:
+            await sync_to_async(response.close)()
+
+        body_file.close()
+
+    async def listen_for_disconnect(self, receive):
+        """Listen for disconnect from the client."""
+        message = await receive()
+        if message["type"] == "http.disconnect":
+            raise RequestAborted()
+        # This should never happen.
+        assert False, "Invalid ASGI message after request body: %s" % message["type"]
+
+    async def run_get_response(self, request):
+        """Get async response."""
+        # Use the async mode of BaseHandler.
+        response = await self.get_response_async(request)
+        response._handler_class = self.__class__
+        # Increase chunk size on file responses (ASGI servers handles low-level
+        # chunking).
+        if isinstance(response, FileResponse):
+            response.block_size = self.chunk_size
+        return response
+
+    async def read_body(self, receive):
+        """Reads an HTTP body from an ASGI connection."""
+        # Use the tempfile that auto rolls-over to a disk file as it fills up.
+        body_file = tempfile.SpooledTemporaryFile(
+            max_size=settings.FILE_UPLOAD_MAX_MEMORY_SIZE, mode="w+b"
+        )
+        while True:
+            message = await receive()
+            if message["type"] == "http.disconnect":
+                body_file.close()
+                # Early client disconnect.
+                raise RequestAborted()
+            # Add a body chunk from the message, if provided.
+            if "body" in message:
+                body_file.write(message["body"])
+            # Quit out if that's the end.
+            if not message.get("more_body", False):
+                break
+        body_file.seek(0)
+        return body_file
+
+    def create_request(self, scope, body_file):
+        """
+        Create the Request object and returns either (request, None) or
+        (None, response) if there is an error response.
+        """
+        try:
+            return self.request_class(scope, body_file), None
+        except UnicodeDecodeError:
+            logger.warning(
+                "Bad Request (UnicodeDecodeError)",
+                exc_info=sys.exc_info(),
+                extra={"status_code": 400},
+            )
+            return None, HttpResponseBadRequest()
+        except RequestDataTooBig:
+            return None, HttpResponse("413 Payload too large", status=413)
+
+    def handle_uncaught_exception(self, request, resolver, exc_info):
+        """Last-chance handler for exceptions."""
+        # There's no WSGI server to catch the exception further up
+        # if this fails, so translate it into a plain text response.
+        try:
+            return super().handle_uncaught_exception(request, resolver, exc_info)
+        except Exception:
+            return HttpResponseServerError(
+                traceback.format_exc() if settings.DEBUG else "Internal Server Error",
+                content_type="text/plain",
+            )
+
+    async def send_response(self, response, send):
+        """Encode and send a response out over ASGI."""
+        # Collect cookies into headers. Have to preserve header case as there
+        # are some non-RFC compliant clients that require e.g. Content-Type.
+        response_headers = []
+        for header, value in response.items():
+            if isinstance(header, str):
+                header = header.encode("ascii")
+            if isinstance(value, str):
+                value = value.encode("latin1")
+            response_headers.append((bytes(header), bytes(value)))
+        for c in response.cookies.values():
+            response_headers.append(
+                (b"Set-Cookie", c.output(header="").encode("ascii").strip())
+            )
+        # Initial response message.
+        await send(
+            {
+                "type": "http.response.start",
+                "status": response.status_code,
+                "headers": response_headers,
+            }
+        )
+        # Streaming responses need to be pinned to their iterator.
+        if response.streaming:
+            # - Consume via `__aiter__` and not `streaming_content` directly, to
+            #   allow mapping of a sync iterator.
+            # - Use aclosing() when consuming aiter.
+            #   See https://github.com/python/cpython/commit/6e8dcda
+            async with aclosing(aiter(response)) as content:
+                async for part in content:
+                    for chunk, _ in self.chunk_bytes(part):
+                        await send(
+                            {
+                                "type": "http.response.body",
+                                "body": chunk,
+                                # Ignore "more" as there may be more parts; instead,
+                                # use an empty final closing message with False.
+                                "more_body": True,
+                            }
+                        )
+            # Final closing message.
+            await send({"type": "http.response.body"})
+        # Other responses just need chunking.
+        else:
+            # Yield chunks of response.
+            for chunk, last in self.chunk_bytes(response.content):
+                await send(
+                    {
+                        "type": "http.response.body",
+                        "body": chunk,
+                        "more_body": not last,
+                    }
+                )
+
+    @classmethod
+    def chunk_bytes(cls, data):
+        """
+        Chunks some data up so it can be sent in reasonable size messages.
+        Yields (chunk, last_chunk) tuples.
+        """
+        position = 0
+        if not data:
+            yield data, True
+            return
+        while position < len(data):
+            yield (
+                data[position : position + cls.chunk_size],
+                (position + cls.chunk_size) >= len(data),
+            )
+            position += cls.chunk_size
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/base.py
new file mode 100644
index 00000000..8911543d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/base.py
@@ -0,0 +1,373 @@
+import asyncio
+import logging
+import types
+
+from asgiref.sync import async_to_sync, iscoroutinefunction, sync_to_async
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured, MiddlewareNotUsed
+from django.core.signals import request_finished
+from django.db import connections, transaction
+from django.urls import get_resolver, set_urlconf
+from django.utils.log import log_response
+from django.utils.module_loading import import_string
+
+from .exception import convert_exception_to_response
+
+logger = logging.getLogger("django.request")
+
+
+class BaseHandler:
+    _view_middleware = None
+    _template_response_middleware = None
+    _exception_middleware = None
+    _middleware_chain = None
+
+    def load_middleware(self, is_async=False):
+        """
+        Populate middleware lists from settings.MIDDLEWARE.
+
+        Must be called after the environment is fixed (see __call__ in subclasses).
+        """
+        self._view_middleware = []
+        self._template_response_middleware = []
+        self._exception_middleware = []
+
+        get_response = self._get_response_async if is_async else self._get_response
+        handler = convert_exception_to_response(get_response)
+        handler_is_async = is_async
+        for middleware_path in reversed(settings.MIDDLEWARE):
+            middleware = import_string(middleware_path)
+            middleware_can_sync = getattr(middleware, "sync_capable", True)
+            middleware_can_async = getattr(middleware, "async_capable", False)
+            if not middleware_can_sync and not middleware_can_async:
+                raise RuntimeError(
+                    "Middleware %s must have at least one of "
+                    "sync_capable/async_capable set to True." % middleware_path
+                )
+            elif not handler_is_async and middleware_can_sync:
+                middleware_is_async = False
+            else:
+                middleware_is_async = middleware_can_async
+            try:
+                # Adapt handler, if needed.
+                adapted_handler = self.adapt_method_mode(
+                    middleware_is_async,
+                    handler,
+                    handler_is_async,
+                    debug=settings.DEBUG,
+                    name="middleware %s" % middleware_path,
+                )
+                mw_instance = middleware(adapted_handler)
+            except MiddlewareNotUsed as exc:
+                if settings.DEBUG:
+                    if str(exc):
+                        logger.debug("MiddlewareNotUsed(%r): %s", middleware_path, exc)
+                    else:
+                        logger.debug("MiddlewareNotUsed: %r", middleware_path)
+                continue
+            else:
+                handler = adapted_handler
+
+            if mw_instance is None:
+                raise ImproperlyConfigured(
+                    "Middleware factory %s returned None." % middleware_path
+                )
+
+            if hasattr(mw_instance, "process_view"):
+                self._view_middleware.insert(
+                    0,
+                    self.adapt_method_mode(is_async, mw_instance.process_view),
+                )
+            if hasattr(mw_instance, "process_template_response"):
+                self._template_response_middleware.append(
+                    self.adapt_method_mode(
+                        is_async, mw_instance.process_template_response
+                    ),
+                )
+            if hasattr(mw_instance, "process_exception"):
+                # The exception-handling stack is still always synchronous for
+                # now, so adapt that way.
+                self._exception_middleware.append(
+                    self.adapt_method_mode(False, mw_instance.process_exception),
+                )
+
+            handler = convert_exception_to_response(mw_instance)
+            handler_is_async = middleware_is_async
+
+        # Adapt the top of the stack, if needed.
+        handler = self.adapt_method_mode(is_async, handler, handler_is_async)
+        # We only assign to this when initialization is complete as it is used
+        # as a flag for initialization being complete.
+        self._middleware_chain = handler
+
+    def adapt_method_mode(
+        self,
+        is_async,
+        method,
+        method_is_async=None,
+        debug=False,
+        name=None,
+    ):
+        """
+        Adapt a method to be in the correct "mode":
+        - If is_async is False:
+          - Synchronous methods are left alone
+          - Asynchronous methods are wrapped with async_to_sync
+        - If is_async is True:
+          - Synchronous methods are wrapped with sync_to_async()
+          - Asynchronous methods are left alone
+        """
+        if method_is_async is None:
+            method_is_async = iscoroutinefunction(method)
+        if debug and not name:
+            name = name or "method %s()" % method.__qualname__
+        if is_async:
+            if not method_is_async:
+                if debug:
+                    logger.debug("Synchronous handler adapted for %s.", name)
+                return sync_to_async(method, thread_sensitive=True)
+        elif method_is_async:
+            if debug:
+                logger.debug("Asynchronous handler adapted for %s.", name)
+            return async_to_sync(method)
+        return method
+
+    def get_response(self, request):
+        """Return an HttpResponse object for the given HttpRequest."""
+        # Setup default url resolver for this thread
+        set_urlconf(settings.ROOT_URLCONF)
+        response = self._middleware_chain(request)
+        response._resource_closers.append(request.close)
+        if response.status_code >= 400:
+            log_response(
+                "%s: %s",
+                response.reason_phrase,
+                request.path,
+                response=response,
+                request=request,
+            )
+        return response
+
+    async def get_response_async(self, request):
+        """
+        Asynchronous version of get_response.
+
+        Funneling everything, including WSGI, into a single async
+        get_response() is too slow. Avoid the context switch by using
+        a separate async response path.
+        """
+        # Setup default url resolver for this thread.
+        set_urlconf(settings.ROOT_URLCONF)
+        response = await self._middleware_chain(request)
+        response._resource_closers.append(request.close)
+        if response.status_code >= 400:
+            await sync_to_async(log_response, thread_sensitive=False)(
+                "%s: %s",
+                response.reason_phrase,
+                request.path,
+                response=response,
+                request=request,
+            )
+        return response
+
+    def _get_response(self, request):
+        """
+        Resolve and call the view, then apply view, exception, and
+        template_response middleware. This method is everything that happens
+        inside the request/response middleware.
+        """
+        response = None
+        callback, callback_args, callback_kwargs = self.resolve_request(request)
+
+        # Apply view middleware
+        for middleware_method in self._view_middleware:
+            response = middleware_method(
+                request, callback, callback_args, callback_kwargs
+            )
+            if response:
+                break
+
+        if response is None:
+            wrapped_callback = self.make_view_atomic(callback)
+            # If it is an asynchronous view, run it in a subthread.
+            if iscoroutinefunction(wrapped_callback):
+                wrapped_callback = async_to_sync(wrapped_callback)
+            try:
+                response = wrapped_callback(request, *callback_args, **callback_kwargs)
+            except Exception as e:
+                response = self.process_exception_by_middleware(e, request)
+                if response is None:
+                    raise
+
+        # Complain if the view returned None (a common error).
+        self.check_response(response, callback)
+
+        # If the response supports deferred rendering, apply template
+        # response middleware and then render the response
+        if hasattr(response, "render") and callable(response.render):
+            for middleware_method in self._template_response_middleware:
+                response = middleware_method(request, response)
+                # Complain if the template response middleware returned None
+                # (a common error).
+                self.check_response(
+                    response,
+                    middleware_method,
+                    name="%s.process_template_response"
+                    % (middleware_method.__self__.__class__.__name__,),
+                )
+            try:
+                response = response.render()
+            except Exception as e:
+                response = self.process_exception_by_middleware(e, request)
+                if response is None:
+                    raise
+
+        return response
+
+    async def _get_response_async(self, request):
+        """
+        Resolve and call the view, then apply view, exception, and
+        template_response middleware. This method is everything that happens
+        inside the request/response middleware.
+        """
+        response = None
+        callback, callback_args, callback_kwargs = self.resolve_request(request)
+
+        # Apply view middleware.
+        for middleware_method in self._view_middleware:
+            response = await middleware_method(
+                request, callback, callback_args, callback_kwargs
+            )
+            if response:
+                break
+
+        if response is None:
+            wrapped_callback = self.make_view_atomic(callback)
+            # If it is a synchronous view, run it in a subthread
+            if not iscoroutinefunction(wrapped_callback):
+                wrapped_callback = sync_to_async(
+                    wrapped_callback, thread_sensitive=True
+                )
+            try:
+                response = await wrapped_callback(
+                    request, *callback_args, **callback_kwargs
+                )
+            except Exception as e:
+                response = await sync_to_async(
+                    self.process_exception_by_middleware,
+                    thread_sensitive=True,
+                )(e, request)
+                if response is None:
+                    raise
+
+        # Complain if the view returned None or an uncalled coroutine.
+        self.check_response(response, callback)
+
+        # If the response supports deferred rendering, apply template
+        # response middleware and then render the response
+        if hasattr(response, "render") and callable(response.render):
+            for middleware_method in self._template_response_middleware:
+                response = await middleware_method(request, response)
+                # Complain if the template response middleware returned None or
+                # an uncalled coroutine.
+                self.check_response(
+                    response,
+                    middleware_method,
+                    name="%s.process_template_response"
+                    % (middleware_method.__self__.__class__.__name__,),
+                )
+            try:
+                if iscoroutinefunction(response.render):
+                    response = await response.render()
+                else:
+                    response = await sync_to_async(
+                        response.render, thread_sensitive=True
+                    )()
+            except Exception as e:
+                response = await sync_to_async(
+                    self.process_exception_by_middleware,
+                    thread_sensitive=True,
+                )(e, request)
+                if response is None:
+                    raise
+
+        # Make sure the response is not a coroutine
+        if asyncio.iscoroutine(response):
+            raise RuntimeError("Response is still a coroutine.")
+        return response
+
+    def resolve_request(self, request):
+        """
+        Retrieve/set the urlconf for the request. Return the view resolved,
+        with its args and kwargs.
+        """
+        # Work out the resolver.
+        if hasattr(request, "urlconf"):
+            urlconf = request.urlconf
+            set_urlconf(urlconf)
+            resolver = get_resolver(urlconf)
+        else:
+            resolver = get_resolver()
+        # Resolve the view, and assign the match object back to the request.
+        resolver_match = resolver.resolve(request.path_info)
+        request.resolver_match = resolver_match
+        return resolver_match
+
+    def check_response(self, response, callback, name=None):
+        """
+        Raise an error if the view returned None or an uncalled coroutine.
+        """
+        if not (response is None or asyncio.iscoroutine(response)):
+            return
+        if not name:
+            if isinstance(callback, types.FunctionType):  # FBV
+                name = "The view %s.%s" % (callback.__module__, callback.__name__)
+            else:  # CBV
+                name = "The view %s.%s.__call__" % (
+                    callback.__module__,
+                    callback.__class__.__name__,
+                )
+        if response is None:
+            raise ValueError(
+                "%s didn't return an HttpResponse object. It returned None "
+                "instead." % name
+            )
+        elif asyncio.iscoroutine(response):
+            raise ValueError(
+                "%s didn't return an HttpResponse object. It returned an "
+                "unawaited coroutine instead. You may need to add an 'await' "
+                "into your view." % name
+            )
+
+    # Other utility methods.
+
+    def make_view_atomic(self, view):
+        non_atomic_requests = getattr(view, "_non_atomic_requests", set())
+        for alias, settings_dict in connections.settings.items():
+            if settings_dict["ATOMIC_REQUESTS"] and alias not in non_atomic_requests:
+                if iscoroutinefunction(view):
+                    raise RuntimeError(
+                        "You cannot use ATOMIC_REQUESTS with async views."
+                    )
+                view = transaction.atomic(using=alias)(view)
+        return view
+
+    def process_exception_by_middleware(self, exception, request):
+        """
+        Pass the exception to the exception middleware. If no middleware
+        return a response for this exception, return None.
+        """
+        for middleware_method in self._exception_middleware:
+            response = middleware_method(request, exception)
+            if response:
+                return response
+        return None
+
+
+def reset_urlconf(sender, **kwargs):
+    """Reset the URLconf after each request is finished."""
+    set_urlconf(None)
+
+
+request_finished.connect(reset_urlconf)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/exception.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/exception.py
new file mode 100644
index 00000000..a63291f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/exception.py
@@ -0,0 +1,185 @@
+import logging
+import sys
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction, sync_to_async
+
+from django.conf import settings
+from django.core import signals
+from django.core.exceptions import (
+    BadRequest,
+    PermissionDenied,
+    RequestDataTooBig,
+    SuspiciousOperation,
+    TooManyFieldsSent,
+    TooManyFilesSent,
+)
+from django.http import Http404
+from django.http.multipartparser import MultiPartParserError
+from django.urls import get_resolver, get_urlconf
+from django.utils.log import log_response
+from django.views import debug
+
+
+def convert_exception_to_response(get_response):
+    """
+    Wrap the given get_response callable in exception-to-response conversion.
+
+    All exceptions will be converted. All known 4xx exceptions (Http404,
+    PermissionDenied, MultiPartParserError, SuspiciousOperation) will be
+    converted to the appropriate response, and all other exceptions will be
+    converted to 500 responses.
+
+    This decorator is automatically applied to all middleware to ensure that
+    no middleware leaks an exception and that the next middleware in the stack
+    can rely on getting a response instead of an exception.
+    """
+    if iscoroutinefunction(get_response):
+
+        @wraps(get_response)
+        async def inner(request):
+            try:
+                response = await get_response(request)
+            except Exception as exc:
+                response = await sync_to_async(
+                    response_for_exception, thread_sensitive=False
+                )(request, exc)
+            return response
+
+        return inner
+    else:
+
+        @wraps(get_response)
+        def inner(request):
+            try:
+                response = get_response(request)
+            except Exception as exc:
+                response = response_for_exception(request, exc)
+            return response
+
+        return inner
+
+
+def response_for_exception(request, exc):
+    if isinstance(exc, Http404):
+        if settings.DEBUG:
+            response = debug.technical_404_response(request, exc)
+        else:
+            response = get_exception_response(
+                request, get_resolver(get_urlconf()), 404, exc
+            )
+
+    elif isinstance(exc, PermissionDenied):
+        response = get_exception_response(
+            request, get_resolver(get_urlconf()), 403, exc
+        )
+        log_response(
+            "Forbidden (Permission denied): %s",
+            request.path,
+            response=response,
+            request=request,
+            exception=exc,
+        )
+
+    elif isinstance(exc, MultiPartParserError):
+        response = get_exception_response(
+            request, get_resolver(get_urlconf()), 400, exc
+        )
+        log_response(
+            "Bad request (Unable to parse request body): %s",
+            request.path,
+            response=response,
+            request=request,
+            exception=exc,
+        )
+
+    elif isinstance(exc, BadRequest):
+        if settings.DEBUG:
+            response = debug.technical_500_response(
+                request, *sys.exc_info(), status_code=400
+            )
+        else:
+            response = get_exception_response(
+                request, get_resolver(get_urlconf()), 400, exc
+            )
+        log_response(
+            "%s: %s",
+            str(exc),
+            request.path,
+            response=response,
+            request=request,
+            exception=exc,
+        )
+    elif isinstance(exc, SuspiciousOperation):
+        if isinstance(exc, (RequestDataTooBig, TooManyFieldsSent, TooManyFilesSent)):
+            # POST data can't be accessed again, otherwise the original
+            # exception would be raised.
+            request._mark_post_parse_error()
+
+        # The request logger receives events for any problematic request
+        # The security logger receives events for all SuspiciousOperations
+        security_logger = logging.getLogger(
+            "django.security.%s" % exc.__class__.__name__
+        )
+        security_logger.error(
+            str(exc),
+            exc_info=exc,
+            extra={"status_code": 400, "request": request},
+        )
+        if settings.DEBUG:
+            response = debug.technical_500_response(
+                request, *sys.exc_info(), status_code=400
+            )
+        else:
+            response = get_exception_response(
+                request, get_resolver(get_urlconf()), 400, exc
+            )
+
+    else:
+        signals.got_request_exception.send(sender=None, request=request)
+        response = handle_uncaught_exception(
+            request, get_resolver(get_urlconf()), sys.exc_info()
+        )
+        log_response(
+            "%s: %s",
+            response.reason_phrase,
+            request.path,
+            response=response,
+            request=request,
+            exception=exc,
+        )
+
+    # Force a TemplateResponse to be rendered.
+    if not getattr(response, "is_rendered", True) and callable(
+        getattr(response, "render", None)
+    ):
+        response = response.render()
+
+    return response
+
+
+def get_exception_response(request, resolver, status_code, exception):
+    try:
+        callback = resolver.resolve_error_handler(status_code)
+        response = callback(request, exception=exception)
+    except Exception:
+        signals.got_request_exception.send(sender=None, request=request)
+        response = handle_uncaught_exception(request, resolver, sys.exc_info())
+
+    return response
+
+
+def handle_uncaught_exception(request, resolver, exc_info):
+    """
+    Processing for any otherwise uncaught exceptions (those that will
+    generate HTTP 500 responses).
+    """
+    if settings.DEBUG_PROPAGATE_EXCEPTIONS:
+        raise
+
+    if settings.DEBUG:
+        return debug.technical_500_response(request, *exc_info)
+
+    # Return an HttpResponse that displays a friendly error message.
+    callback = resolver.resolve_error_handler(500)
+    return callback(request)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/wsgi.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/wsgi.py
new file mode 100644
index 00000000..9324af08
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/handlers/wsgi.py
@@ -0,0 +1,207 @@
+from io import IOBase
+
+from django.conf import settings
+from django.core import signals
+from django.core.handlers import base
+from django.http import HttpRequest, QueryDict, parse_cookie
+from django.urls import set_script_prefix
+from django.utils.encoding import repercent_broken_unicode
+from django.utils.functional import cached_property
+from django.utils.regex_helper import _lazy_re_compile
+
+_slashes_re = _lazy_re_compile(rb"/+")
+
+
+class LimitedStream(IOBase):
+    """
+    Wrap another stream to disallow reading it past a number of bytes.
+
+    Based on the implementation from werkzeug.wsgi.LimitedStream
+    See https://github.com/pallets/werkzeug/blob/dbf78f67/src/werkzeug/wsgi.py#L828
+    """
+
+    def __init__(self, stream, limit):
+        self._read = stream.read
+        self._readline = stream.readline
+        self._pos = 0
+        self.limit = limit
+
+    def read(self, size=-1, /):
+        _pos = self._pos
+        limit = self.limit
+        if _pos >= limit:
+            return b""
+        if size == -1 or size is None:
+            size = limit - _pos
+        else:
+            size = min(size, limit - _pos)
+        data = self._read(size)
+        self._pos += len(data)
+        return data
+
+    def readline(self, size=-1, /):
+        _pos = self._pos
+        limit = self.limit
+        if _pos >= limit:
+            return b""
+        if size == -1 or size is None:
+            size = limit - _pos
+        else:
+            size = min(size, limit - _pos)
+        line = self._readline(size)
+        self._pos += len(line)
+        return line
+
+
+class WSGIRequest(HttpRequest):
+    def __init__(self, environ):
+        script_name = get_script_name(environ)
+        # If PATH_INFO is empty (e.g. accessing the SCRIPT_NAME URL without a
+        # trailing slash), operate as if '/' was requested.
+        path_info = get_path_info(environ) or "/"
+        self.environ = environ
+        self.path_info = path_info
+        # be careful to only replace the first slash in the path because of
+        # http://test/something and http://test//something being different as
+        # stated in RFC 3986.
+        self.path = "%s/%s" % (script_name.rstrip("/"), path_info.replace("/", "", 1))
+        self.META = environ
+        self.META["PATH_INFO"] = path_info
+        self.META["SCRIPT_NAME"] = script_name
+        self.method = environ["REQUEST_METHOD"].upper()
+        # Set content_type, content_params, and encoding.
+        self._set_content_type_params(environ)
+        try:
+            content_length = int(environ.get("CONTENT_LENGTH"))
+        except (ValueError, TypeError):
+            content_length = 0
+        self._stream = LimitedStream(self.environ["wsgi.input"], content_length)
+        self._read_started = False
+        self.resolver_match = None
+
+    def _get_scheme(self):
+        return self.environ.get("wsgi.url_scheme")
+
+    @cached_property
+    def GET(self):
+        # The WSGI spec says 'QUERY_STRING' may be absent.
+        raw_query_string = get_bytes_from_wsgi(self.environ, "QUERY_STRING", "")
+        return QueryDict(raw_query_string, encoding=self._encoding)
+
+    def _get_post(self):
+        if not hasattr(self, "_post"):
+            self._load_post_and_files()
+        return self._post
+
+    def _set_post(self, post):
+        self._post = post
+
+    @cached_property
+    def COOKIES(self):
+        raw_cookie = get_str_from_wsgi(self.environ, "HTTP_COOKIE", "")
+        return parse_cookie(raw_cookie)
+
+    @property
+    def FILES(self):
+        if not hasattr(self, "_files"):
+            self._load_post_and_files()
+        return self._files
+
+    POST = property(_get_post, _set_post)
+
+
+class WSGIHandler(base.BaseHandler):
+    request_class = WSGIRequest
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.load_middleware()
+
+    def __call__(self, environ, start_response):
+        set_script_prefix(get_script_name(environ))
+        signals.request_started.send(sender=self.__class__, environ=environ)
+        request = self.request_class(environ)
+        response = self.get_response(request)
+
+        response._handler_class = self.__class__
+
+        status = "%d %s" % (response.status_code, response.reason_phrase)
+        response_headers = [
+            *response.items(),
+            *(("Set-Cookie", c.output(header="")) for c in response.cookies.values()),
+        ]
+        start_response(status, response_headers)
+        if getattr(response, "file_to_stream", None) is not None and environ.get(
+            "wsgi.file_wrapper"
+        ):
+            # If `wsgi.file_wrapper` is used the WSGI server does not call
+            # .close on the response, but on the file wrapper. Patch it to use
+            # response.close instead which takes care of closing all files.
+            response.file_to_stream.close = response.close
+            response = environ["wsgi.file_wrapper"](
+                response.file_to_stream, response.block_size
+            )
+        return response
+
+
+def get_path_info(environ):
+    """Return the HTTP request's PATH_INFO as a string."""
+    path_info = get_bytes_from_wsgi(environ, "PATH_INFO", "/")
+
+    return repercent_broken_unicode(path_info).decode()
+
+
+def get_script_name(environ):
+    """
+    Return the equivalent of the HTTP request's SCRIPT_NAME environment
+    variable. If Apache mod_rewrite is used, return what would have been
+    the script name prior to any rewriting (so it's the script name as seen
+    from the client's perspective), unless the FORCE_SCRIPT_NAME setting is
+    set (to anything).
+    """
+    if settings.FORCE_SCRIPT_NAME is not None:
+        return settings.FORCE_SCRIPT_NAME
+
+    # If Apache's mod_rewrite had a whack at the URL, Apache set either
+    # SCRIPT_URL or REDIRECT_URL to the full resource URL before applying any
+    # rewrites. Unfortunately not every web server (lighttpd!) passes this
+    # information through all the time, so FORCE_SCRIPT_NAME, above, is still
+    # needed.
+    script_url = get_bytes_from_wsgi(environ, "SCRIPT_URL", "") or get_bytes_from_wsgi(
+        environ, "REDIRECT_URL", ""
+    )
+
+    if script_url:
+        if b"//" in script_url:
+            # mod_wsgi squashes multiple successive slashes in PATH_INFO,
+            # do the same with script_url before manipulating paths (#17133).
+            script_url = _slashes_re.sub(b"/", script_url)
+        path_info = get_bytes_from_wsgi(environ, "PATH_INFO", "")
+        script_name = script_url.removesuffix(path_info)
+    else:
+        script_name = get_bytes_from_wsgi(environ, "SCRIPT_NAME", "")
+
+    return script_name.decode()
+
+
+def get_bytes_from_wsgi(environ, key, default):
+    """
+    Get a value from the WSGI environ dictionary as bytes.
+
+    key and default should be strings.
+    """
+    value = environ.get(key, default)
+    # Non-ASCII values in the WSGI environ are arbitrarily decoded with
+    # ISO-8859-1. This is wrong for Django websites where UTF-8 is the default.
+    # Re-encode to recover the original bytestring.
+    return value.encode("iso-8859-1")
+
+
+def get_str_from_wsgi(environ, key, default):
+    """
+    Get a value from the WSGI environ dictionary as str.
+
+    key and default should be str objects.
+    """
+    value = get_bytes_from_wsgi(environ, key, default)
+    return value.decode(errors="replace")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/__init__.py
new file mode 100644
index 00000000..67632669
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/__init__.py
@@ -0,0 +1,155 @@
+"""
+Tools for sending email.
+"""
+
+from django.conf import settings
+
+# Imported for backwards compatibility and for the sake
+# of a cleaner namespace. These symbols used to be in
+# django/core/mail.py before the introduction of email
+# backends and the subsequent reorganization (See #10355)
+from django.core.mail.message import (
+    DEFAULT_ATTACHMENT_MIME_TYPE,
+    BadHeaderError,
+    EmailMessage,
+    EmailMultiAlternatives,
+    SafeMIMEMultipart,
+    SafeMIMEText,
+    forbid_multi_line_headers,
+    make_msgid,
+)
+from django.core.mail.utils import DNS_NAME, CachedDnsName
+from django.utils.module_loading import import_string
+
+__all__ = [
+    "CachedDnsName",
+    "DNS_NAME",
+    "EmailMessage",
+    "EmailMultiAlternatives",
+    "SafeMIMEText",
+    "SafeMIMEMultipart",
+    "DEFAULT_ATTACHMENT_MIME_TYPE",
+    "make_msgid",
+    "BadHeaderError",
+    "forbid_multi_line_headers",
+    "get_connection",
+    "send_mail",
+    "send_mass_mail",
+    "mail_admins",
+    "mail_managers",
+]
+
+
+def get_connection(backend=None, fail_silently=False, **kwds):
+    """Load an email backend and return an instance of it.
+
+    If backend is None (default), use settings.EMAIL_BACKEND.
+
+    Both fail_silently and other keyword arguments are used in the
+    constructor of the backend.
+    """
+    klass = import_string(backend or settings.EMAIL_BACKEND)
+    return klass(fail_silently=fail_silently, **kwds)
+
+
+def send_mail(
+    subject,
+    message,
+    from_email,
+    recipient_list,
+    fail_silently=False,
+    auth_user=None,
+    auth_password=None,
+    connection=None,
+    html_message=None,
+):
+    """
+    Easy wrapper for sending a single message to a recipient list. All members
+    of the recipient list will see the other recipients in the 'To' field.
+
+    If from_email is None, use the DEFAULT_FROM_EMAIL setting.
+    If auth_user is None, use the EMAIL_HOST_USER setting.
+    If auth_password is None, use the EMAIL_HOST_PASSWORD setting.
+
+    Note: The API for this method is frozen. New code wanting to extend the
+    functionality should use the EmailMessage class directly.
+    """
+    connection = connection or get_connection(
+        username=auth_user,
+        password=auth_password,
+        fail_silently=fail_silently,
+    )
+    mail = EmailMultiAlternatives(
+        subject, message, from_email, recipient_list, connection=connection
+    )
+    if html_message:
+        mail.attach_alternative(html_message, "text/html")
+
+    return mail.send()
+
+
+def send_mass_mail(
+    datatuple, fail_silently=False, auth_user=None, auth_password=None, connection=None
+):
+    """
+    Given a datatuple of (subject, message, from_email, recipient_list), send
+    each message to each recipient list. Return the number of emails sent.
+
+    If from_email is None, use the DEFAULT_FROM_EMAIL setting.
+    If auth_user and auth_password are set, use them to log in.
+    If auth_user is None, use the EMAIL_HOST_USER setting.
+    If auth_password is None, use the EMAIL_HOST_PASSWORD setting.
+
+    Note: The API for this method is frozen. New code wanting to extend the
+    functionality should use the EmailMessage class directly.
+    """
+    connection = connection or get_connection(
+        username=auth_user,
+        password=auth_password,
+        fail_silently=fail_silently,
+    )
+    messages = [
+        EmailMessage(subject, message, sender, recipient, connection=connection)
+        for subject, message, sender, recipient in datatuple
+    ]
+    return connection.send_messages(messages)
+
+
+def mail_admins(
+    subject, message, fail_silently=False, connection=None, html_message=None
+):
+    """Send a message to the admins, as defined by the ADMINS setting."""
+    if not settings.ADMINS:
+        return
+    if not all(isinstance(a, (list, tuple)) and len(a) == 2 for a in settings.ADMINS):
+        raise ValueError("The ADMINS setting must be a list of 2-tuples.")
+    mail = EmailMultiAlternatives(
+        "%s%s" % (settings.EMAIL_SUBJECT_PREFIX, subject),
+        message,
+        settings.SERVER_EMAIL,
+        [a[1] for a in settings.ADMINS],
+        connection=connection,
+    )
+    if html_message:
+        mail.attach_alternative(html_message, "text/html")
+    mail.send(fail_silently=fail_silently)
+
+
+def mail_managers(
+    subject, message, fail_silently=False, connection=None, html_message=None
+):
+    """Send a message to the managers, as defined by the MANAGERS setting."""
+    if not settings.MANAGERS:
+        return
+    if not all(isinstance(a, (list, tuple)) and len(a) == 2 for a in settings.MANAGERS):
+        raise ValueError("The MANAGERS setting must be a list of 2-tuples.")
+    mail = EmailMultiAlternatives(
+        "%s%s" % (settings.EMAIL_SUBJECT_PREFIX, subject),
+        message,
+        settings.SERVER_EMAIL,
+        [a[1] for a in settings.MANAGERS],
+        connection=connection,
+    )
+    if html_message:
+        mail.attach_alternative(html_message, "text/html")
+    mail.send(fail_silently=fail_silently)
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new file mode 100644
index 00000000..5973b499
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/__init__.py
@@ -0,0 +1 @@
+# Mail backends shipped with Django.
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/base.py
new file mode 100644
index 00000000..b35b964c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/base.py
@@ -0,0 +1,62 @@
+"""Base email backend class."""
+
+
+class BaseEmailBackend:
+    """
+    Base class for email backend implementations.
+
+    Subclasses must at least overwrite send_messages().
+
+    open() and close() can be called indirectly by using a backend object as a
+    context manager:
+
+       with backend as connection:
+           # do something with connection
+           pass
+    """
+
+    def __init__(self, fail_silently=False, **kwargs):
+        self.fail_silently = fail_silently
+
+    def open(self):
+        """
+        Open a network connection.
+
+        This method can be overwritten by backend implementations to
+        open a network connection.
+
+        It's up to the backend implementation to track the status of
+        a network connection if it's needed by the backend.
+
+        This method can be called by applications to force a single
+        network connection to be used when sending mails. See the
+        send_messages() method of the SMTP backend for a reference
+        implementation.
+
+        The default implementation does nothing.
+        """
+        pass
+
+    def close(self):
+        """Close a network connection."""
+        pass
+
+    def __enter__(self):
+        try:
+            self.open()
+        except Exception:
+            self.close()
+            raise
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self.close()
+
+    def send_messages(self, email_messages):
+        """
+        Send one or more EmailMessage objects and return the number of email
+        messages sent.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseEmailBackend must override send_messages() method"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/console.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/console.py
new file mode 100644
index 00000000..2d7c778c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/console.py
@@ -0,0 +1,45 @@
+"""
+Email backend that writes messages to console instead of sending them.
+"""
+
+import sys
+import threading
+
+from django.core.mail.backends.base import BaseEmailBackend
+
+
+class EmailBackend(BaseEmailBackend):
+    def __init__(self, *args, **kwargs):
+        self.stream = kwargs.pop("stream", sys.stdout)
+        self._lock = threading.RLock()
+        super().__init__(*args, **kwargs)
+
+    def write_message(self, message):
+        msg = message.message()
+        msg_data = msg.as_bytes()
+        charset = (
+            msg.get_charset().get_output_charset() if msg.get_charset() else "utf-8"
+        )
+        msg_data = msg_data.decode(charset)
+        self.stream.write("%s\n" % msg_data)
+        self.stream.write("-" * 79)
+        self.stream.write("\n")
+
+    def send_messages(self, email_messages):
+        """Write all messages to the stream in a thread-safe way."""
+        if not email_messages:
+            return
+        msg_count = 0
+        with self._lock:
+            try:
+                stream_created = self.open()
+                for message in email_messages:
+                    self.write_message(message)
+                    self.stream.flush()  # flush after each message
+                    msg_count += 1
+                if stream_created:
+                    self.close()
+            except Exception:
+                if not self.fail_silently:
+                    raise
+        return msg_count
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/dummy.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/dummy.py
new file mode 100644
index 00000000..7e47fe75
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/dummy.py
@@ -0,0 +1,10 @@
+"""
+Dummy email backend that does nothing.
+"""
+
+from django.core.mail.backends.base import BaseEmailBackend
+
+
+class EmailBackend(BaseEmailBackend):
+    def send_messages(self, email_messages):
+        return len(list(email_messages))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/filebased.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/filebased.py
new file mode 100644
index 00000000..3b2b0371
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/filebased.py
@@ -0,0 +1,66 @@
+"""Email backend that writes messages to a file."""
+
+import datetime
+import os
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.core.mail.backends.console import EmailBackend as ConsoleEmailBackend
+
+
+class EmailBackend(ConsoleEmailBackend):
+    def __init__(self, *args, file_path=None, **kwargs):
+        self._fname = None
+        if file_path is not None:
+            self.file_path = file_path
+        else:
+            self.file_path = getattr(settings, "EMAIL_FILE_PATH", None)
+        self.file_path = os.path.abspath(self.file_path)
+        try:
+            os.makedirs(self.file_path, exist_ok=True)
+        except FileExistsError:
+            raise ImproperlyConfigured(
+                "Path for saving email messages exists, but is not a directory: %s"
+                % self.file_path
+            )
+        except OSError as err:
+            raise ImproperlyConfigured(
+                "Could not create directory for saving email messages: %s (%s)"
+                % (self.file_path, err)
+            )
+        # Make sure that self.file_path is writable.
+        if not os.access(self.file_path, os.W_OK):
+            raise ImproperlyConfigured(
+                "Could not write to directory: %s" % self.file_path
+            )
+        # Finally, call super().
+        # Since we're using the console-based backend as a base,
+        # force the stream to be None, so we don't default to stdout
+        kwargs["stream"] = None
+        super().__init__(*args, **kwargs)
+
+    def write_message(self, message):
+        self.stream.write(message.message().as_bytes() + b"\n")
+        self.stream.write(b"-" * 79)
+        self.stream.write(b"\n")
+
+    def _get_filename(self):
+        """Return a unique file name."""
+        if self._fname is None:
+            timestamp = datetime.datetime.now().strftime("%Y%m%d-%H%M%S")
+            fname = "%s-%s.log" % (timestamp, abs(id(self)))
+            self._fname = os.path.join(self.file_path, fname)
+        return self._fname
+
+    def open(self):
+        if self.stream is None:
+            self.stream = open(self._get_filename(), "ab")
+            return True
+        return False
+
+    def close(self):
+        try:
+            if self.stream is not None:
+                self.stream.close()
+        finally:
+            self.stream = None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/locmem.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/locmem.py
new file mode 100644
index 00000000..76676973
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/locmem.py
@@ -0,0 +1,31 @@
+"""
+Backend for test environment.
+"""
+
+from django.core import mail
+from django.core.mail.backends.base import BaseEmailBackend
+
+
+class EmailBackend(BaseEmailBackend):
+    """
+    An email backend for use during test sessions.
+
+    The test connection stores email messages in a dummy outbox,
+    rather than sending them out on the wire.
+
+    The dummy outbox is accessible through the outbox instance attribute.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if not hasattr(mail, "outbox"):
+            mail.outbox = []
+
+    def send_messages(self, messages):
+        """Redirect messages to the dummy outbox"""
+        msg_count = 0
+        for message in messages:  # .message() triggers header validation
+            message.message()
+            mail.outbox.append(message)
+            msg_count += 1
+        return msg_count
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/smtp.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/smtp.py
new file mode 100644
index 00000000..6820148a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/backends/smtp.py
@@ -0,0 +1,162 @@
+"""SMTP email backend class."""
+
+import smtplib
+import ssl
+import threading
+
+from django.conf import settings
+from django.core.mail.backends.base import BaseEmailBackend
+from django.core.mail.message import sanitize_address
+from django.core.mail.utils import DNS_NAME
+from django.utils.functional import cached_property
+
+
+class EmailBackend(BaseEmailBackend):
+    """
+    A wrapper that manages the SMTP network connection.
+    """
+
+    def __init__(
+        self,
+        host=None,
+        port=None,
+        username=None,
+        password=None,
+        use_tls=None,
+        fail_silently=False,
+        use_ssl=None,
+        timeout=None,
+        ssl_keyfile=None,
+        ssl_certfile=None,
+        **kwargs,
+    ):
+        super().__init__(fail_silently=fail_silently)
+        self.host = host or settings.EMAIL_HOST
+        self.port = port or settings.EMAIL_PORT
+        self.username = settings.EMAIL_HOST_USER if username is None else username
+        self.password = settings.EMAIL_HOST_PASSWORD if password is None else password
+        self.use_tls = settings.EMAIL_USE_TLS if use_tls is None else use_tls
+        self.use_ssl = settings.EMAIL_USE_SSL if use_ssl is None else use_ssl
+        self.timeout = settings.EMAIL_TIMEOUT if timeout is None else timeout
+        self.ssl_keyfile = (
+            settings.EMAIL_SSL_KEYFILE if ssl_keyfile is None else ssl_keyfile
+        )
+        self.ssl_certfile = (
+            settings.EMAIL_SSL_CERTFILE if ssl_certfile is None else ssl_certfile
+        )
+        if self.use_ssl and self.use_tls:
+            raise ValueError(
+                "EMAIL_USE_TLS/EMAIL_USE_SSL are mutually exclusive, so only set "
+                "one of those settings to True."
+            )
+        self.connection = None
+        self._lock = threading.RLock()
+
+    @property
+    def connection_class(self):
+        return smtplib.SMTP_SSL if self.use_ssl else smtplib.SMTP
+
+    @cached_property
+    def ssl_context(self):
+        if self.ssl_certfile or self.ssl_keyfile:
+            ssl_context = ssl.SSLContext(protocol=ssl.PROTOCOL_TLS_CLIENT)
+            ssl_context.load_cert_chain(self.ssl_certfile, self.ssl_keyfile)
+            return ssl_context
+        else:
+            return ssl.create_default_context()
+
+    def open(self):
+        """
+        Ensure an open connection to the email server. Return whether or not a
+        new connection was required (True or False) or None if an exception
+        passed silently.
+        """
+        if self.connection:
+            # Nothing to do if the connection is already open.
+            return False
+
+        # If local_hostname is not specified, socket.getfqdn() gets used.
+        # For performance, we use the cached FQDN for local_hostname.
+        connection_params = {"local_hostname": DNS_NAME.get_fqdn()}
+        if self.timeout is not None:
+            connection_params["timeout"] = self.timeout
+        if self.use_ssl:
+            connection_params["context"] = self.ssl_context
+        try:
+            self.connection = self.connection_class(
+                self.host, self.port, **connection_params
+            )
+
+            # TLS/SSL are mutually exclusive, so only attempt TLS over
+            # non-secure connections.
+            if not self.use_ssl and self.use_tls:
+                self.connection.starttls(context=self.ssl_context)
+            if self.username and self.password:
+                self.connection.login(self.username, self.password)
+            return True
+        except OSError:
+            if not self.fail_silently:
+                raise
+
+    def close(self):
+        """Close the connection to the email server."""
+        if self.connection is None:
+            return
+        try:
+            try:
+                self.connection.quit()
+            except (ssl.SSLError, smtplib.SMTPServerDisconnected):
+                # This happens when calling quit() on a TLS connection
+                # sometimes, or when the connection was already disconnected
+                # by the server.
+                self.connection.close()
+            except smtplib.SMTPException:
+                if self.fail_silently:
+                    return
+                raise
+        finally:
+            self.connection = None
+
+    def send_messages(self, email_messages):
+        """
+        Send one or more EmailMessage objects and return the number of email
+        messages sent.
+        """
+        if not email_messages:
+            return 0
+        with self._lock:
+            new_conn_created = self.open()
+            if not self.connection or new_conn_created is None:
+                # We failed silently on open().
+                # Trying to send would be pointless.
+                return 0
+            num_sent = 0
+            try:
+                for message in email_messages:
+                    sent = self._send(message)
+                    if sent:
+                        num_sent += 1
+            finally:
+                if new_conn_created:
+                    self.close()
+        return num_sent
+
+    def _send(self, email_message):
+        """A helper method that does the actual sending."""
+        if not email_message.recipients():
+            return False
+        encoding = email_message.encoding or settings.DEFAULT_CHARSET
+        from_email = sanitize_address(email_message.from_email, encoding)
+        recipients = [
+            sanitize_address(addr, encoding) for addr in email_message.recipients()
+        ]
+        message = email_message.message()
+        try:
+            self.connection.sendmail(
+                from_email, recipients, message.as_bytes(linesep="\r\n")
+            )
+        except smtplib.SMTPException:
+            if not self.fail_silently:
+                raise
+            return False
+        return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/message.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/message.py
new file mode 100644
index 00000000..205c6805
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/message.py
@@ -0,0 +1,496 @@
+import mimetypes
+from email import charset as Charset
+from email import encoders as Encoders
+from email import generator, message_from_string
+from email.errors import HeaderParseError
+from email.header import Header
+from email.headerregistry import Address, parser
+from email.message import Message
+from email.mime.base import MIMEBase
+from email.mime.message import MIMEMessage
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.utils import formataddr, formatdate, getaddresses, make_msgid
+from io import BytesIO, StringIO
+from pathlib import Path
+
+from django.conf import settings
+from django.core.mail.utils import DNS_NAME
+from django.utils.encoding import force_str, punycode
+
+# Don't BASE64-encode UTF-8 messages so that we avoid unwanted attention from
+# some spam filters.
+utf8_charset = Charset.Charset("utf-8")
+utf8_charset.body_encoding = None  # Python defaults to BASE64
+utf8_charset_qp = Charset.Charset("utf-8")
+utf8_charset_qp.body_encoding = Charset.QP
+
+# Default MIME type to use on attachments (if it is not explicitly given
+# and cannot be guessed).
+DEFAULT_ATTACHMENT_MIME_TYPE = "application/octet-stream"
+
+RFC5322_EMAIL_LINE_LENGTH_LIMIT = 998
+
+
+class BadHeaderError(ValueError):
+    pass
+
+
+# Header names that contain structured address data (RFC 5322).
+ADDRESS_HEADERS = {
+    "from",
+    "sender",
+    "reply-to",
+    "to",
+    "cc",
+    "bcc",
+    "resent-from",
+    "resent-sender",
+    "resent-to",
+    "resent-cc",
+    "resent-bcc",
+}
+
+
+def forbid_multi_line_headers(name, val, encoding):
+    """Forbid multi-line headers to prevent header injection."""
+    encoding = encoding or settings.DEFAULT_CHARSET
+    val = str(val)  # val may be lazy
+    if "\n" in val or "\r" in val:
+        raise BadHeaderError(
+            "Header values can't contain newlines (got %r for header %r)" % (val, name)
+        )
+    try:
+        val.encode("ascii")
+    except UnicodeEncodeError:
+        if name.lower() in ADDRESS_HEADERS:
+            val = ", ".join(
+                sanitize_address(addr, encoding) for addr in getaddresses((val,))
+            )
+        else:
+            val = Header(val, encoding).encode()
+    else:
+        if name.lower() == "subject":
+            val = Header(val).encode()
+    return name, val
+
+
+def sanitize_address(addr, encoding):
+    """
+    Format a pair of (name, address) or an email address string.
+    """
+    address = None
+    if not isinstance(addr, tuple):
+        addr = force_str(addr)
+        try:
+            token, rest = parser.get_mailbox(addr)
+        except (HeaderParseError, ValueError, IndexError):
+            raise ValueError('Invalid address "%s"' % addr)
+        else:
+            if rest:
+                # The entire email address must be parsed.
+                raise ValueError(
+                    'Invalid address; only %s could be parsed from "%s"' % (token, addr)
+                )
+            nm = token.display_name or ""
+            localpart = token.local_part
+            domain = token.domain or ""
+    else:
+        nm, address = addr
+        if "@" not in address:
+            raise ValueError(f'Invalid address "{address}"')
+        localpart, domain = address.rsplit("@", 1)
+
+    address_parts = nm + localpart + domain
+    if "\n" in address_parts or "\r" in address_parts:
+        raise ValueError("Invalid address; address parts cannot contain newlines.")
+
+    # Avoid UTF-8 encode, if it's possible.
+    try:
+        nm.encode("ascii")
+        nm = Header(nm).encode()
+    except UnicodeEncodeError:
+        nm = Header(nm, encoding).encode()
+    try:
+        localpart.encode("ascii")
+    except UnicodeEncodeError:
+        localpart = Header(localpart, encoding).encode()
+    domain = punycode(domain)
+
+    parsed_address = Address(username=localpart, domain=domain)
+    return formataddr((nm, parsed_address.addr_spec))
+
+
+class MIMEMixin:
+    def as_string(self, unixfrom=False, linesep="\n"):
+        """Return the entire formatted message as a string.
+        Optional `unixfrom' when True, means include the Unix From_ envelope
+        header.
+
+        This overrides the default as_string() implementation to not mangle
+        lines that begin with 'From '. See bug #13433 for details.
+        """
+        fp = StringIO()
+        g = generator.Generator(fp, mangle_from_=False)
+        g.flatten(self, unixfrom=unixfrom, linesep=linesep)
+        return fp.getvalue()
+
+    def as_bytes(self, unixfrom=False, linesep="\n"):
+        """Return the entire formatted message as bytes.
+        Optional `unixfrom' when True, means include the Unix From_ envelope
+        header.
+
+        This overrides the default as_bytes() implementation to not mangle
+        lines that begin with 'From '. See bug #13433 for details.
+        """
+        fp = BytesIO()
+        g = generator.BytesGenerator(fp, mangle_from_=False)
+        g.flatten(self, unixfrom=unixfrom, linesep=linesep)
+        return fp.getvalue()
+
+
+class SafeMIMEMessage(MIMEMixin, MIMEMessage):
+    def __setitem__(self, name, val):
+        # message/rfc822 attachments must be ASCII
+        name, val = forbid_multi_line_headers(name, val, "ascii")
+        MIMEMessage.__setitem__(self, name, val)
+
+
+class SafeMIMEText(MIMEMixin, MIMEText):
+    def __init__(self, _text, _subtype="plain", _charset=None):
+        self.encoding = _charset
+        MIMEText.__init__(self, _text, _subtype=_subtype, _charset=_charset)
+
+    def __setitem__(self, name, val):
+        name, val = forbid_multi_line_headers(name, val, self.encoding)
+        MIMEText.__setitem__(self, name, val)
+
+    def set_payload(self, payload, charset=None):
+        if charset == "utf-8" and not isinstance(charset, Charset.Charset):
+            has_long_lines = any(
+                len(line.encode(errors="surrogateescape"))
+                > RFC5322_EMAIL_LINE_LENGTH_LIMIT
+                for line in payload.splitlines()
+            )
+            # Quoted-Printable encoding has the side effect of shortening long
+            # lines, if any (#22561).
+            charset = utf8_charset_qp if has_long_lines else utf8_charset
+        MIMEText.set_payload(self, payload, charset=charset)
+
+
+class SafeMIMEMultipart(MIMEMixin, MIMEMultipart):
+    def __init__(
+        self, _subtype="mixed", boundary=None, _subparts=None, encoding=None, **_params
+    ):
+        self.encoding = encoding
+        MIMEMultipart.__init__(self, _subtype, boundary, _subparts, **_params)
+
+    def __setitem__(self, name, val):
+        name, val = forbid_multi_line_headers(name, val, self.encoding)
+        MIMEMultipart.__setitem__(self, name, val)
+
+
+class EmailMessage:
+    """A container for email information."""
+
+    content_subtype = "plain"
+    mixed_subtype = "mixed"
+    encoding = None  # None => use settings default
+
+    def __init__(
+        self,
+        subject="",
+        body="",
+        from_email=None,
+        to=None,
+        bcc=None,
+        connection=None,
+        attachments=None,
+        headers=None,
+        cc=None,
+        reply_to=None,
+    ):
+        """
+        Initialize a single email message (which can be sent to multiple
+        recipients).
+        """
+        if to:
+            if isinstance(to, str):
+                raise TypeError('"to" argument must be a list or tuple')
+            self.to = list(to)
+        else:
+            self.to = []
+        if cc:
+            if isinstance(cc, str):
+                raise TypeError('"cc" argument must be a list or tuple')
+            self.cc = list(cc)
+        else:
+            self.cc = []
+        if bcc:
+            if isinstance(bcc, str):
+                raise TypeError('"bcc" argument must be a list or tuple')
+            self.bcc = list(bcc)
+        else:
+            self.bcc = []
+        if reply_to:
+            if isinstance(reply_to, str):
+                raise TypeError('"reply_to" argument must be a list or tuple')
+            self.reply_to = list(reply_to)
+        else:
+            self.reply_to = []
+        self.from_email = from_email or settings.DEFAULT_FROM_EMAIL
+        self.subject = subject
+        self.body = body or ""
+        self.attachments = []
+        if attachments:
+            for attachment in attachments:
+                if isinstance(attachment, MIMEBase):
+                    self.attach(attachment)
+                else:
+                    self.attach(*attachment)
+        self.extra_headers = headers or {}
+        self.connection = connection
+
+    def get_connection(self, fail_silently=False):
+        from django.core.mail import get_connection
+
+        if not self.connection:
+            self.connection = get_connection(fail_silently=fail_silently)
+        return self.connection
+
+    def message(self):
+        encoding = self.encoding or settings.DEFAULT_CHARSET
+        msg = SafeMIMEText(self.body, self.content_subtype, encoding)
+        msg = self._create_message(msg)
+        msg["Subject"] = self.subject
+        msg["From"] = self.extra_headers.get("From", self.from_email)
+        self._set_list_header_if_not_empty(msg, "To", self.to)
+        self._set_list_header_if_not_empty(msg, "Cc", self.cc)
+        self._set_list_header_if_not_empty(msg, "Reply-To", self.reply_to)
+
+        # Email header names are case-insensitive (RFC 2045), so we have to
+        # accommodate that when doing comparisons.
+        header_names = [key.lower() for key in self.extra_headers]
+        if "date" not in header_names:
+            # formatdate() uses stdlib methods to format the date, which use
+            # the stdlib/OS concept of a timezone, however, Django sets the
+            # TZ environment variable based on the TIME_ZONE setting which
+            # will get picked up by formatdate().
+            msg["Date"] = formatdate(localtime=settings.EMAIL_USE_LOCALTIME)
+        if "message-id" not in header_names:
+            # Use cached DNS_NAME for performance
+            msg["Message-ID"] = make_msgid(domain=DNS_NAME)
+        for name, value in self.extra_headers.items():
+            if name.lower() != "from":  # From is already handled
+                msg[name] = value
+        return msg
+
+    def recipients(self):
+        """
+        Return a list of all recipients of the email (includes direct
+        addressees as well as Cc and Bcc entries).
+        """
+        return [email for email in (self.to + self.cc + self.bcc) if email]
+
+    def send(self, fail_silently=False):
+        """Send the email message."""
+        if not self.recipients():
+            # Don't bother creating the network connection if there's nobody to
+            # send to.
+            return 0
+        return self.get_connection(fail_silently).send_messages([self])
+
+    def attach(self, filename=None, content=None, mimetype=None):
+        """
+        Attach a file with the given filename and content. The filename can
+        be omitted and the mimetype is guessed, if not provided.
+
+        If the first parameter is a MIMEBase subclass, insert it directly
+        into the resulting message attachments.
+
+        For a text/* mimetype (guessed or specified), when a bytes object is
+        specified as content, decode it as UTF-8. If that fails, set the
+        mimetype to DEFAULT_ATTACHMENT_MIME_TYPE and don't decode the content.
+        """
+        if isinstance(filename, MIMEBase):
+            if content is not None or mimetype is not None:
+                raise ValueError(
+                    "content and mimetype must not be given when a MIMEBase "
+                    "instance is provided."
+                )
+            self.attachments.append(filename)
+        elif content is None:
+            raise ValueError("content must be provided.")
+        else:
+            mimetype = (
+                mimetype
+                or mimetypes.guess_type(filename)[0]
+                or DEFAULT_ATTACHMENT_MIME_TYPE
+            )
+            basetype, subtype = mimetype.split("/", 1)
+
+            if basetype == "text":
+                if isinstance(content, bytes):
+                    try:
+                        content = content.decode()
+                    except UnicodeDecodeError:
+                        # If mimetype suggests the file is text but it's
+                        # actually binary, read() raises a UnicodeDecodeError.
+                        mimetype = DEFAULT_ATTACHMENT_MIME_TYPE
+
+            self.attachments.append((filename, content, mimetype))
+
+    def attach_file(self, path, mimetype=None):
+        """
+        Attach a file from the filesystem.
+
+        Set the mimetype to DEFAULT_ATTACHMENT_MIME_TYPE if it isn't specified
+        and cannot be guessed.
+
+        For a text/* mimetype (guessed or specified), decode the file's content
+        as UTF-8. If that fails, set the mimetype to
+        DEFAULT_ATTACHMENT_MIME_TYPE and don't decode the content.
+        """
+        path = Path(path)
+        with path.open("rb") as file:
+            content = file.read()
+            self.attach(path.name, content, mimetype)
+
+    def _create_message(self, msg):
+        return self._create_attachments(msg)
+
+    def _create_attachments(self, msg):
+        if self.attachments:
+            encoding = self.encoding or settings.DEFAULT_CHARSET
+            body_msg = msg
+            msg = SafeMIMEMultipart(_subtype=self.mixed_subtype, encoding=encoding)
+            if self.body or body_msg.is_multipart():
+                msg.attach(body_msg)
+            for attachment in self.attachments:
+                if isinstance(attachment, MIMEBase):
+                    msg.attach(attachment)
+                else:
+                    msg.attach(self._create_attachment(*attachment))
+        return msg
+
+    def _create_mime_attachment(self, content, mimetype):
+        """
+        Convert the content, mimetype pair into a MIME attachment object.
+
+        If the mimetype is message/rfc822, content may be an
+        email.Message or EmailMessage object, as well as a str.
+        """
+        basetype, subtype = mimetype.split("/", 1)
+        if basetype == "text":
+            encoding = self.encoding or settings.DEFAULT_CHARSET
+            attachment = SafeMIMEText(content, subtype, encoding)
+        elif basetype == "message" and subtype == "rfc822":
+            # Bug #18967: Per RFC 2046 Section 5.2.1, message/rfc822
+            # attachments must not be base64 encoded.
+            if isinstance(content, EmailMessage):
+                # convert content into an email.Message first
+                content = content.message()
+            elif not isinstance(content, Message):
+                # For compatibility with existing code, parse the message
+                # into an email.Message object if it is not one already.
+                content = message_from_string(force_str(content))
+
+            attachment = SafeMIMEMessage(content, subtype)
+        else:
+            # Encode non-text attachments with base64.
+            attachment = MIMEBase(basetype, subtype)
+            attachment.set_payload(content)
+            Encoders.encode_base64(attachment)
+        return attachment
+
+    def _create_attachment(self, filename, content, mimetype=None):
+        """
+        Convert the filename, content, mimetype triple into a MIME attachment
+        object.
+        """
+        attachment = self._create_mime_attachment(content, mimetype)
+        if filename:
+            try:
+                filename.encode("ascii")
+            except UnicodeEncodeError:
+                filename = ("utf-8", "", filename)
+            attachment.add_header(
+                "Content-Disposition", "attachment", filename=filename
+            )
+        return attachment
+
+    def _set_list_header_if_not_empty(self, msg, header, values):
+        """
+        Set msg's header, either from self.extra_headers, if present, or from
+        the values argument.
+        """
+        if values:
+            try:
+                value = self.extra_headers[header]
+            except KeyError:
+                value = ", ".join(str(v) for v in values)
+            msg[header] = value
+
+
+class EmailMultiAlternatives(EmailMessage):
+    """
+    A version of EmailMessage that makes it easy to send multipart/alternative
+    messages. For example, including text and HTML versions of the text is
+    made easier.
+    """
+
+    alternative_subtype = "alternative"
+
+    def __init__(
+        self,
+        subject="",
+        body="",
+        from_email=None,
+        to=None,
+        bcc=None,
+        connection=None,
+        attachments=None,
+        headers=None,
+        alternatives=None,
+        cc=None,
+        reply_to=None,
+    ):
+        """
+        Initialize a single email message (which can be sent to multiple
+        recipients).
+        """
+        super().__init__(
+            subject,
+            body,
+            from_email,
+            to,
+            bcc,
+            connection,
+            attachments,
+            headers,
+            cc,
+            reply_to,
+        )
+        self.alternatives = alternatives or []
+
+    def attach_alternative(self, content, mimetype):
+        """Attach an alternative content representation."""
+        if content is None or mimetype is None:
+            raise ValueError("Both content and mimetype must be provided.")
+        self.alternatives.append((content, mimetype))
+
+    def _create_message(self, msg):
+        return self._create_attachments(self._create_alternatives(msg))
+
+    def _create_alternatives(self, msg):
+        encoding = self.encoding or settings.DEFAULT_CHARSET
+        if self.alternatives:
+            body_msg = msg
+            msg = SafeMIMEMultipart(
+                _subtype=self.alternative_subtype, encoding=encoding
+            )
+            if self.body:
+                msg.attach(body_msg)
+            for alternative in self.alternatives:
+                msg.attach(self._create_mime_attachment(*alternative))
+        return msg
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/utils.py
new file mode 100644
index 00000000..8143c236
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/mail/utils.py
@@ -0,0 +1,22 @@
+"""
+Email message and email sending related helper functions.
+"""
+
+import socket
+
+from django.utils.encoding import punycode
+
+
+# Cache the hostname, but do it lazily: socket.getfqdn() can take a couple of
+# seconds, which slows down the restart of the server.
+class CachedDnsName:
+    def __str__(self):
+        return self.get_fqdn()
+
+    def get_fqdn(self):
+        if not hasattr(self, "_fqdn"):
+            self._fqdn = punycode(socket.getfqdn())
+        return self._fqdn
+
+
+DNS_NAME = CachedDnsName()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/__init__.py
new file mode 100644
index 00000000..0c16447d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/__init__.py
@@ -0,0 +1,442 @@
+import functools
+import os
+import pkgutil
+import sys
+from argparse import (
+    _AppendConstAction,
+    _CountAction,
+    _StoreConstAction,
+    _SubParsersAction,
+)
+from collections import defaultdict
+from difflib import get_close_matches
+from importlib import import_module
+
+import django
+from django.apps import apps
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.core.management.base import (
+    BaseCommand,
+    CommandError,
+    CommandParser,
+    handle_default_options,
+)
+from django.core.management.color import color_style
+from django.utils import autoreload
+
+
+def find_commands(management_dir):
+    """
+    Given a path to a management directory, return a list of all the command
+    names that are available.
+    """
+    command_dir = os.path.join(management_dir, "commands")
+    return [
+        name
+        for _, name, is_pkg in pkgutil.iter_modules([command_dir])
+        if not is_pkg and not name.startswith("_")
+    ]
+
+
+def load_command_class(app_name, name):
+    """
+    Given a command name and an application name, return the Command
+    class instance. Allow all errors raised by the import process
+    (ImportError, AttributeError) to propagate.
+    """
+    module = import_module("%s.management.commands.%s" % (app_name, name))
+    return module.Command()
+
+
+@functools.cache
+def get_commands():
+    """
+    Return a dictionary mapping command names to their callback applications.
+
+    Look for a management.commands package in django.core, and in each
+    installed application -- if a commands package exists, register all
+    commands in that package.
+
+    Core commands are always included. If a settings module has been
+    specified, also include user-defined commands.
+
+    The dictionary is in the format {command_name: app_name}. Key-value
+    pairs from this dictionary can then be used in calls to
+    load_command_class(app_name, command_name)
+
+    The dictionary is cached on the first call and reused on subsequent
+    calls.
+    """
+    commands = {name: "django.core" for name in find_commands(__path__[0])}
+
+    if not settings.configured:
+        return commands
+
+    for app_config in reversed(apps.get_app_configs()):
+        path = os.path.join(app_config.path, "management")
+        commands.update({name: app_config.name for name in find_commands(path)})
+
+    return commands
+
+
+def call_command(command_name, *args, **options):
+    """
+    Call the given command, with the given options and args/kwargs.
+
+    This is the primary API you should use for calling specific commands.
+
+    `command_name` may be a string or a command object. Using a string is
+    preferred unless the command object is required for further processing or
+    testing.
+
+    Some examples:
+        call_command('migrate')
+        call_command('shell', plain=True)
+        call_command('sqlmigrate', 'myapp')
+
+        from django.core.management.commands import flush
+        cmd = flush.Command()
+        call_command(cmd, verbosity=0, interactive=False)
+        # Do something with cmd ...
+    """
+    if isinstance(command_name, BaseCommand):
+        # Command object passed in.
+        command = command_name
+        command_name = command.__class__.__module__.split(".")[-1]
+    else:
+        # Load the command object by name.
+        try:
+            app_name = get_commands()[command_name]
+        except KeyError:
+            raise CommandError("Unknown command: %r" % command_name)
+
+        if isinstance(app_name, BaseCommand):
+            # If the command is already loaded, use it directly.
+            command = app_name
+        else:
+            command = load_command_class(app_name, command_name)
+
+    # Simulate argument parsing to get the option defaults (see #10080 for details).
+    parser = command.create_parser("", command_name)
+    # Use the `dest` option name from the parser option
+    opt_mapping = {
+        min(s_opt.option_strings).lstrip("-").replace("-", "_"): s_opt.dest
+        for s_opt in parser._actions
+        if s_opt.option_strings
+    }
+    arg_options = {opt_mapping.get(key, key): value for key, value in options.items()}
+    parse_args = []
+    for arg in args:
+        if isinstance(arg, (list, tuple)):
+            parse_args += map(str, arg)
+        else:
+            parse_args.append(str(arg))
+
+    def get_actions(parser):
+        # Parser actions and actions from sub-parser choices.
+        for opt in parser._actions:
+            if isinstance(opt, _SubParsersAction):
+                for sub_opt in opt.choices.values():
+                    yield from get_actions(sub_opt)
+            else:
+                yield opt
+
+    parser_actions = list(get_actions(parser))
+    mutually_exclusive_required_options = {
+        opt
+        for group in parser._mutually_exclusive_groups
+        for opt in group._group_actions
+        if group.required
+    }
+    # Any required arguments which are passed in via **options must be passed
+    # to parse_args().
+    for opt in parser_actions:
+        if opt.dest in options and (
+            opt.required or opt in mutually_exclusive_required_options
+        ):
+            opt_dest_count = sum(v == opt.dest for v in opt_mapping.values())
+            if opt_dest_count > 1:
+                raise TypeError(
+                    f"Cannot pass the dest {opt.dest!r} that matches multiple "
+                    f"arguments via **options."
+                )
+            parse_args.append(min(opt.option_strings))
+            if isinstance(opt, (_AppendConstAction, _CountAction, _StoreConstAction)):
+                continue
+            value = arg_options[opt.dest]
+            if isinstance(value, (list, tuple)):
+                parse_args += map(str, value)
+            else:
+                parse_args.append(str(value))
+    defaults = parser.parse_args(args=parse_args)
+    defaults = dict(defaults._get_kwargs(), **arg_options)
+    # Raise an error if any unknown options were passed.
+    stealth_options = set(command.base_stealth_options + command.stealth_options)
+    dest_parameters = {action.dest for action in parser_actions}
+    valid_options = (dest_parameters | stealth_options).union(opt_mapping)
+    unknown_options = set(options) - valid_options
+    if unknown_options:
+        raise TypeError(
+            "Unknown option(s) for %s command: %s. "
+            "Valid options are: %s."
+            % (
+                command_name,
+                ", ".join(sorted(unknown_options)),
+                ", ".join(sorted(valid_options)),
+            )
+        )
+    # Move positional args out of options to mimic legacy optparse
+    args = defaults.pop("args", ())
+    if "skip_checks" not in options:
+        defaults["skip_checks"] = True
+
+    return command.execute(*args, **defaults)
+
+
+class ManagementUtility:
+    """
+    Encapsulate the logic of the django-admin and manage.py utilities.
+    """
+
+    def __init__(self, argv=None):
+        self.argv = argv or sys.argv[:]
+        self.prog_name = os.path.basename(self.argv[0])
+        if self.prog_name == "__main__.py":
+            self.prog_name = "python -m django"
+        self.settings_exception = None
+
+    def main_help_text(self, commands_only=False):
+        """Return the script's main help text, as a string."""
+        if commands_only:
+            usage = sorted(get_commands())
+        else:
+            usage = [
+                "",
+                "Type '%s help <subcommand>' for help on a specific subcommand."
+                % self.prog_name,
+                "",
+                "Available subcommands:",
+            ]
+            commands_dict = defaultdict(lambda: [])
+            for name, app in get_commands().items():
+                if app == "django.core":
+                    app = "django"
+                else:
+                    app = app.rpartition(".")[-1]
+                commands_dict[app].append(name)
+            style = color_style()
+            for app in sorted(commands_dict):
+                usage.append("")
+                usage.append(style.NOTICE("[%s]" % app))
+                for name in sorted(commands_dict[app]):
+                    usage.append("    %s" % name)
+            # Output an extra note if settings are not properly configured
+            if self.settings_exception is not None:
+                usage.append(
+                    style.NOTICE(
+                        "Note that only Django core commands are listed "
+                        "as settings are not properly configured (error: %s)."
+                        % self.settings_exception
+                    )
+                )
+
+        return "\n".join(usage)
+
+    def fetch_command(self, subcommand):
+        """
+        Try to fetch the given subcommand, printing a message with the
+        appropriate command called from the command line (usually
+        "django-admin" or "manage.py") if it can't be found.
+        """
+        # Get commands outside of try block to prevent swallowing exceptions
+        commands = get_commands()
+        try:
+            app_name = commands[subcommand]
+        except KeyError:
+            if os.environ.get("DJANGO_SETTINGS_MODULE"):
+                # If `subcommand` is missing due to misconfigured settings, the
+                # following line will retrigger an ImproperlyConfigured exception
+                # (get_commands() swallows the original one) so the user is
+                # informed about it.
+                settings.INSTALLED_APPS
+            elif not settings.configured:
+                sys.stderr.write("No Django settings specified.\n")
+            possible_matches = get_close_matches(subcommand, commands)
+            sys.stderr.write("Unknown command: %r" % subcommand)
+            if possible_matches:
+                sys.stderr.write(". Did you mean %s?" % possible_matches[0])
+            sys.stderr.write("\nType '%s help' for usage.\n" % self.prog_name)
+            sys.exit(1)
+        if isinstance(app_name, BaseCommand):
+            # If the command is already loaded, use it directly.
+            klass = app_name
+        else:
+            klass = load_command_class(app_name, subcommand)
+        return klass
+
+    def autocomplete(self):
+        """
+        Output completion suggestions for BASH.
+
+        The output of this function is passed to BASH's `COMPREPLY` variable
+        and treated as completion suggestions. `COMPREPLY` expects a space
+        separated string as the result.
+
+        The `COMP_WORDS` and `COMP_CWORD` BASH environment variables are used
+        to get information about the cli input. Please refer to the BASH
+        man-page for more information about this variables.
+
+        Subcommand options are saved as pairs. A pair consists of
+        the long option string (e.g. '--exclude') and a boolean
+        value indicating if the option requires arguments. When printing to
+        stdout, an equal sign is appended to options which require arguments.
+
+        Note: If debugging this function, it is recommended to write the debug
+        output in a separate file. Otherwise the debug output will be treated
+        and formatted as potential completion suggestions.
+        """
+        # Don't complete if user hasn't sourced bash_completion file.
+        if "DJANGO_AUTO_COMPLETE" not in os.environ:
+            return
+
+        cwords = os.environ["COMP_WORDS"].split()[1:]
+        cword = int(os.environ["COMP_CWORD"])
+
+        try:
+            curr = cwords[cword - 1]
+        except IndexError:
+            curr = ""
+
+        subcommands = [*get_commands(), "help"]
+        options = [("--help", False)]
+
+        # subcommand
+        if cword == 1:
+            print(" ".join(sorted(filter(lambda x: x.startswith(curr), subcommands))))
+        # subcommand options
+        # special case: the 'help' subcommand has no options
+        elif cwords[0] in subcommands and cwords[0] != "help":
+            subcommand_cls = self.fetch_command(cwords[0])
+            # special case: add the names of installed apps to options
+            if cwords[0] in ("dumpdata", "sqlmigrate", "sqlsequencereset", "test"):
+                try:
+                    app_configs = apps.get_app_configs()
+                    # Get the last part of the dotted path as the app name.
+                    options.extend((app_config.label, 0) for app_config in app_configs)
+                except ImportError:
+                    # Fail silently if DJANGO_SETTINGS_MODULE isn't set. The
+                    # user will find out once they execute the command.
+                    pass
+            parser = subcommand_cls.create_parser("", cwords[0])
+            options.extend(
+                (min(s_opt.option_strings), s_opt.nargs != 0)
+                for s_opt in parser._actions
+                if s_opt.option_strings
+            )
+            # filter out previously specified options from available options
+            prev_opts = {x.split("=")[0] for x in cwords[1 : cword - 1]}
+            options = (opt for opt in options if opt[0] not in prev_opts)
+
+            # filter options by current input
+            options = sorted((k, v) for k, v in options if k.startswith(curr))
+            for opt_label, require_arg in options:
+                # append '=' to options which require args
+                if require_arg:
+                    opt_label += "="
+                print(opt_label)
+        # Exit code of the bash completion function is never passed back to
+        # the user, so it's safe to always exit with 0.
+        # For more details see #25420.
+        sys.exit(0)
+
+    def execute(self):
+        """
+        Given the command-line arguments, figure out which subcommand is being
+        run, create a parser appropriate to that command, and run it.
+        """
+        try:
+            subcommand = self.argv[1]
+        except IndexError:
+            subcommand = "help"  # Display help if no arguments were given.
+
+        # Preprocess options to extract --settings and --pythonpath.
+        # These options could affect the commands that are available, so they
+        # must be processed early.
+        parser = CommandParser(
+            prog=self.prog_name,
+            usage="%(prog)s subcommand [options] [args]",
+            add_help=False,
+            allow_abbrev=False,
+        )
+        parser.add_argument("--settings")
+        parser.add_argument("--pythonpath")
+        parser.add_argument("args", nargs="*")  # catch-all
+        try:
+            options, args = parser.parse_known_args(self.argv[2:])
+            handle_default_options(options)
+        except CommandError:
+            pass  # Ignore any option errors at this point.
+
+        try:
+            settings.INSTALLED_APPS
+        except ImproperlyConfigured as exc:
+            self.settings_exception = exc
+        except ImportError as exc:
+            self.settings_exception = exc
+
+        if settings.configured:
+            # Start the auto-reloading dev server even if the code is broken.
+            # The hardcoded condition is a code smell but we can't rely on a
+            # flag on the command class because we haven't located it yet.
+            if subcommand == "runserver" and "--noreload" not in self.argv:
+                try:
+                    autoreload.check_errors(django.setup)()
+                except Exception:
+                    # The exception will be raised later in the child process
+                    # started by the autoreloader. Pretend it didn't happen by
+                    # loading an empty list of applications.
+                    apps.all_models = defaultdict(dict)
+                    apps.app_configs = {}
+                    apps.apps_ready = apps.models_ready = apps.ready = True
+
+                    # Remove options not compatible with the built-in runserver
+                    # (e.g. options for the contrib.staticfiles' runserver).
+                    # Changes here require manually testing as described in
+                    # #27522.
+                    _parser = self.fetch_command("runserver").create_parser(
+                        "django", "runserver"
+                    )
+                    _options, _args = _parser.parse_known_args(self.argv[2:])
+                    for _arg in _args:
+                        self.argv.remove(_arg)
+
+            # In all other cases, django.setup() is required to succeed.
+            else:
+                django.setup()
+
+        self.autocomplete()
+
+        if subcommand == "help":
+            if "--commands" in args:
+                sys.stdout.write(self.main_help_text(commands_only=True) + "\n")
+            elif not options.args:
+                sys.stdout.write(self.main_help_text() + "\n")
+            else:
+                self.fetch_command(options.args[0]).print_help(
+                    self.prog_name, options.args[0]
+                )
+        # Special-cases: We want 'django-admin --version' and
+        # 'django-admin --help' to work, for backwards compatibility.
+        elif subcommand == "version" or self.argv[1:] == ["--version"]:
+            sys.stdout.write(django.get_version() + "\n")
+        elif self.argv[1:] in (["--help"], ["-h"]):
+            sys.stdout.write(self.main_help_text() + "\n")
+        else:
+            self.fetch_command(subcommand).run_from_argv(self.argv)
+
+
+def execute_from_command_line(argv=None):
+    """Run a ManagementUtility."""
+    utility = ManagementUtility(argv)
+    utility.execute()
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/base.py
new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/base.py
@@ -0,0 +1,695 @@
+"""
+Base classes for writing management commands (named commands which can
+be executed through ``django-admin`` or ``manage.py``).
+"""
+
+import argparse
+import os
+import sys
+from argparse import ArgumentParser, HelpFormatter
+from functools import partial
+from io import TextIOBase
+
+import django
+from django.core import checks
+from django.core.exceptions import ImproperlyConfigured
+from django.core.management.color import color_style, no_style
+from django.db import DEFAULT_DB_ALIAS, connections
+
+ALL_CHECKS = "__all__"
+
+
+class CommandError(Exception):
+    """
+    Exception class indicating a problem while executing a management
+    command.
+
+    If this exception is raised during the execution of a management
+    command, it will be caught and turned into a nicely-printed error
+    message to the appropriate output stream (i.e., stderr); as a
+    result, raising this exception (with a sensible description of the
+    error) is the preferred way to indicate that something has gone
+    wrong in the execution of a command.
+    """
+
+    def __init__(self, *args, returncode=1, **kwargs):
+        self.returncode = returncode
+        super().__init__(*args, **kwargs)
+
+
+class SystemCheckError(CommandError):
+    """
+    The system check framework detected unrecoverable errors.
+    """
+
+    pass
+
+
+class CommandParser(ArgumentParser):
+    """
+    Customized ArgumentParser class to improve some error messages and prevent
+    SystemExit in several occasions, as SystemExit is unacceptable when a
+    command is called programmatically.
+    """
+
+    def __init__(
+        self, *, missing_args_message=None, called_from_command_line=None, **kwargs
+    ):
+        self.missing_args_message = missing_args_message
+        self.called_from_command_line = called_from_command_line
+        super().__init__(**kwargs)
+
+    def parse_args(self, args=None, namespace=None):
+        # Catch missing argument for a better error message
+        if self.missing_args_message and not (
+            args or any(not arg.startswith("-") for arg in args)
+        ):
+            self.error(self.missing_args_message)
+        return super().parse_args(args, namespace)
+
+    def error(self, message):
+        if self.called_from_command_line:
+            super().error(message)
+        else:
+            raise CommandError("Error: %s" % message)
+
+    def add_subparsers(self, **kwargs):
+        parser_class = kwargs.get("parser_class", type(self))
+        if issubclass(parser_class, CommandParser):
+            kwargs["parser_class"] = partial(
+                parser_class,
+                called_from_command_line=self.called_from_command_line,
+            )
+        return super().add_subparsers(**kwargs)
+
+
+def handle_default_options(options):
+    """
+    Include any default options that all commands should accept here
+    so that ManagementUtility can handle them before searching for
+    user commands.
+    """
+    if options.settings:
+        os.environ["DJANGO_SETTINGS_MODULE"] = options.settings
+    if options.pythonpath:
+        sys.path.insert(0, options.pythonpath)
+
+
+def no_translations(handle_func):
+    """Decorator that forces a command to run with translations deactivated."""
+
+    def wrapper(*args, **kwargs):
+        from django.utils import translation
+
+        saved_locale = translation.get_language()
+        translation.deactivate_all()
+        try:
+            res = handle_func(*args, **kwargs)
+        finally:
+            if saved_locale is not None:
+                translation.activate(saved_locale)
+        return res
+
+    return wrapper
+
+
+class DjangoHelpFormatter(HelpFormatter):
+    """
+    Customized formatter so that command-specific arguments appear in the
+    --help output before arguments common to all commands.
+    """
+
+    show_last = {
+        "--version",
+        "--verbosity",
+        "--traceback",
+        "--settings",
+        "--pythonpath",
+        "--no-color",
+        "--force-color",
+        "--skip-checks",
+    }
+
+    def _reordered_actions(self, actions):
+        return sorted(
+            actions, key=lambda a: set(a.option_strings) & self.show_last != set()
+        )
+
+    def add_usage(self, usage, actions, *args, **kwargs):
+        super().add_usage(usage, self._reordered_actions(actions), *args, **kwargs)
+
+    def add_arguments(self, actions):
+        super().add_arguments(self._reordered_actions(actions))
+
+
+class OutputWrapper(TextIOBase):
+    """
+    Wrapper around stdout/stderr
+    """
+
+    @property
+    def style_func(self):
+        return self._style_func
+
+    @style_func.setter
+    def style_func(self, style_func):
+        if style_func and self.isatty():
+            self._style_func = style_func
+        else:
+            self._style_func = lambda x: x
+
+    def __init__(self, out, ending="\n"):
+        self._out = out
+        self.style_func = None
+        self.ending = ending
+
+    def __getattr__(self, name):
+        return getattr(self._out, name)
+
+    def flush(self):
+        if hasattr(self._out, "flush"):
+            self._out.flush()
+
+    def isatty(self):
+        return hasattr(self._out, "isatty") and self._out.isatty()
+
+    def write(self, msg="", style_func=None, ending=None):
+        ending = self.ending if ending is None else ending
+        if ending and not msg.endswith(ending):
+            msg += ending
+        style_func = style_func or self.style_func
+        self._out.write(style_func(msg))
+
+
+class BaseCommand:
+    """
+    The base class from which all management commands ultimately
+    derive.
+
+    Use this class if you want access to all of the mechanisms which
+    parse the command-line arguments and work out what code to call in
+    response; if you don't need to change any of that behavior,
+    consider using one of the subclasses defined in this file.
+
+    If you are interested in overriding/customizing various aspects of
+    the command-parsing and -execution behavior, the normal flow works
+    as follows:
+
+    1. ``django-admin`` or ``manage.py`` loads the command class
+       and calls its ``run_from_argv()`` method.
+
+    2. The ``run_from_argv()`` method calls ``create_parser()`` to get
+       an ``ArgumentParser`` for the arguments, parses them, performs
+       any environment changes requested by options like
+       ``pythonpath``, and then calls the ``execute()`` method,
+       passing the parsed arguments.
+
+    3. The ``execute()`` method attempts to carry out the command by
+       calling the ``handle()`` method with the parsed arguments; any
+       output produced by ``handle()`` will be printed to standard
+       output and, if the command is intended to produce a block of
+       SQL statements, will be wrapped in ``BEGIN`` and ``COMMIT``.
+
+    4. If ``handle()`` or ``execute()`` raised any exception (e.g.
+       ``CommandError``), ``run_from_argv()`` will  instead print an error
+       message to ``stderr``.
+
+    Thus, the ``handle()`` method is typically the starting point for
+    subclasses; many built-in commands and command types either place
+    all of their logic in ``handle()``, or perform some additional
+    parsing work in ``handle()`` and then delegate from it to more
+    specialized methods as needed.
+
+    Several attributes affect behavior at various steps along the way:
+
+    ``help``
+        A short description of the command, which will be printed in
+        help messages.
+
+    ``output_transaction``
+        A boolean indicating whether the command outputs SQL
+        statements; if ``True``, the output will automatically be
+        wrapped with ``BEGIN;`` and ``COMMIT;``. Default value is
+        ``False``.
+
+    ``requires_migrations_checks``
+        A boolean; if ``True``, the command prints a warning if the set of
+        migrations on disk don't match the migrations in the database.
+
+    ``requires_system_checks``
+        A list or tuple of tags, e.g. [Tags.staticfiles, Tags.models]. System
+        checks registered in the chosen tags will be checked for errors prior
+        to executing the command. The value '__all__' can be used to specify
+        that all system checks should be performed. Default value is '__all__'.
+
+        To validate an individual application's models
+        rather than all applications' models, call
+        ``self.check(app_configs)`` from ``handle()``, where ``app_configs``
+        is the list of application's configuration provided by the
+        app registry.
+
+    ``stealth_options``
+        A tuple of any options the command uses which aren't defined by the
+        argument parser.
+    """
+
+    # Metadata about this command.
+    help = ""
+
+    # Configuration shortcuts that alter various logic.
+    _called_from_command_line = False
+    output_transaction = False  # Whether to wrap the output in a "BEGIN; COMMIT;"
+    requires_migrations_checks = False
+    requires_system_checks = "__all__"
+    # Arguments, common to all commands, which aren't defined by the argument
+    # parser.
+    base_stealth_options = ("stderr", "stdout")
+    # Command-specific options not defined by the argument parser.
+    stealth_options = ()
+    suppressed_base_arguments = set()
+
+    def __init__(self, stdout=None, stderr=None, no_color=False, force_color=False):
+        self.stdout = OutputWrapper(stdout or sys.stdout)
+        self.stderr = OutputWrapper(stderr or sys.stderr)
+        if no_color and force_color:
+            raise CommandError("'no_color' and 'force_color' can't be used together.")
+        if no_color:
+            self.style = no_style()
+        else:
+            self.style = color_style(force_color)
+            self.stderr.style_func = self.style.ERROR
+        if (
+            not isinstance(self.requires_system_checks, (list, tuple))
+            and self.requires_system_checks != ALL_CHECKS
+        ):
+            raise TypeError("requires_system_checks must be a list or tuple.")
+
+    def get_version(self):
+        """
+        Return the Django version, which should be correct for all built-in
+        Django commands. User-supplied commands can override this method to
+        return their own version.
+        """
+        return django.get_version()
+
+    def create_parser(self, prog_name, subcommand, **kwargs):
+        """
+        Create and return the ``ArgumentParser`` which will be used to
+        parse the arguments to this command.
+        """
+        kwargs.setdefault("formatter_class", DjangoHelpFormatter)
+        parser = CommandParser(
+            prog="%s %s" % (os.path.basename(prog_name), subcommand),
+            description=self.help or None,
+            missing_args_message=getattr(self, "missing_args_message", None),
+            called_from_command_line=getattr(self, "_called_from_command_line", None),
+            **kwargs,
+        )
+        self.add_base_argument(
+            parser,
+            "--version",
+            action="version",
+            version=self.get_version(),
+            help="Show program's version number and exit.",
+        )
+        self.add_base_argument(
+            parser,
+            "-v",
+            "--verbosity",
+            default=1,
+            type=int,
+            choices=[0, 1, 2, 3],
+            help=(
+                "Verbosity level; 0=minimal output, 1=normal output, 2=verbose output, "
+                "3=very verbose output"
+            ),
+        )
+        self.add_base_argument(
+            parser,
+            "--settings",
+            help=(
+                "The Python path to a settings module, e.g. "
+                '"myproject.settings.main". If this isn\'t provided, the '
+                "DJANGO_SETTINGS_MODULE environment variable will be used."
+            ),
+        )
+        self.add_base_argument(
+            parser,
+            "--pythonpath",
+            help=(
+                "A directory to add to the Python path, e.g. "
+                '"/home/djangoprojects/myproject".'
+            ),
+        )
+        self.add_base_argument(
+            parser,
+            "--traceback",
+            action="store_true",
+            help="Raise on CommandError exceptions.",
+        )
+        self.add_base_argument(
+            parser,
+            "--no-color",
+            action="store_true",
+            help="Don't colorize the command output.",
+        )
+        self.add_base_argument(
+            parser,
+            "--force-color",
+            action="store_true",
+            help="Force colorization of the command output.",
+        )
+        if self.requires_system_checks:
+            parser.add_argument(
+                "--skip-checks",
+                action="store_true",
+                help="Skip system checks.",
+            )
+        self.add_arguments(parser)
+        return parser
+
+    def add_arguments(self, parser):
+        """
+        Entry point for subclassed commands to add custom arguments.
+        """
+        pass
+
+    def add_base_argument(self, parser, *args, **kwargs):
+        """
+        Call the parser's add_argument() method, suppressing the help text
+        according to BaseCommand.suppressed_base_arguments.
+        """
+        for arg in args:
+            if arg in self.suppressed_base_arguments:
+                kwargs["help"] = argparse.SUPPRESS
+                break
+        parser.add_argument(*args, **kwargs)
+
+    def print_help(self, prog_name, subcommand):
+        """
+        Print the help message for this command, derived from
+        ``self.usage()``.
+        """
+        parser = self.create_parser(prog_name, subcommand)
+        parser.print_help()
+
+    def run_from_argv(self, argv):
+        """
+        Set up any environment changes requested (e.g., Python path
+        and Django settings), then run this command. If the
+        command raises a ``CommandError``, intercept it and print it sensibly
+        to stderr. If the ``--traceback`` option is present or the raised
+        ``Exception`` is not ``CommandError``, raise it.
+        """
+        self._called_from_command_line = True
+        parser = self.create_parser(argv[0], argv[1])
+
+        options = parser.parse_args(argv[2:])
+        cmd_options = vars(options)
+        # Move positional args out of options to mimic legacy optparse
+        args = cmd_options.pop("args", ())
+        handle_default_options(options)
+        try:
+            self.execute(*args, **cmd_options)
+        except CommandError as e:
+            if options.traceback:
+                raise
+
+            # SystemCheckError takes care of its own formatting.
+            if isinstance(e, SystemCheckError):
+                self.stderr.write(str(e), lambda x: x)
+            else:
+                self.stderr.write("%s: %s" % (e.__class__.__name__, e))
+            sys.exit(e.returncode)
+        finally:
+            try:
+                connections.close_all()
+            except ImproperlyConfigured:
+                # Ignore if connections aren't setup at this point (e.g. no
+                # configured settings).
+                pass
+
+    def execute(self, *args, **options):
+        """
+        Try to execute this command, performing system checks if needed (as
+        controlled by the ``requires_system_checks`` attribute, except if
+        force-skipped).
+        """
+        if options["force_color"] and options["no_color"]:
+            raise CommandError(
+                "The --no-color and --force-color options can't be used together."
+            )
+        if options["force_color"]:
+            self.style = color_style(force_color=True)
+        elif options["no_color"]:
+            self.style = no_style()
+            self.stderr.style_func = None
+        if options.get("stdout"):
+            self.stdout = OutputWrapper(options["stdout"])
+        if options.get("stderr"):
+            self.stderr = OutputWrapper(options["stderr"])
+
+        if self.requires_system_checks and not options["skip_checks"]:
+            if self.requires_system_checks == ALL_CHECKS:
+                self.check()
+            else:
+                self.check(tags=self.requires_system_checks)
+        if self.requires_migrations_checks:
+            self.check_migrations()
+        output = self.handle(*args, **options)
+        if output:
+            if self.output_transaction:
+                connection = connections[options.get("database", DEFAULT_DB_ALIAS)]
+                output = "%s\n%s\n%s" % (
+                    self.style.SQL_KEYWORD(connection.ops.start_transaction_sql()),
+                    output,
+                    self.style.SQL_KEYWORD(connection.ops.end_transaction_sql()),
+                )
+            self.stdout.write(output)
+        return output
+
+    def check(
+        self,
+        app_configs=None,
+        tags=None,
+        display_num_errors=False,
+        include_deployment_checks=False,
+        fail_level=checks.ERROR,
+        databases=None,
+    ):
+        """
+        Use the system check framework to validate entire Django project.
+        Raise CommandError for any serious message (error or critical errors).
+        If there are only light messages (like warnings), print them to stderr
+        and don't raise an exception.
+        """
+        all_issues = checks.run_checks(
+            app_configs=app_configs,
+            tags=tags,
+            include_deployment_checks=include_deployment_checks,
+            databases=databases,
+        )
+
+        header, body, footer = "", "", ""
+        visible_issue_count = 0  # excludes silenced warnings
+
+        if all_issues:
+            debugs = [
+                e for e in all_issues if e.level < checks.INFO and not e.is_silenced()
+            ]
+            infos = [
+                e
+                for e in all_issues
+                if checks.INFO <= e.level < checks.WARNING and not e.is_silenced()
+            ]
+            warnings = [
+                e
+                for e in all_issues
+                if checks.WARNING <= e.level < checks.ERROR and not e.is_silenced()
+            ]
+            errors = [
+                e
+                for e in all_issues
+                if checks.ERROR <= e.level < checks.CRITICAL and not e.is_silenced()
+            ]
+            criticals = [
+                e
+                for e in all_issues
+                if checks.CRITICAL <= e.level and not e.is_silenced()
+            ]
+            sorted_issues = [
+                (criticals, "CRITICALS"),
+                (errors, "ERRORS"),
+                (warnings, "WARNINGS"),
+                (infos, "INFOS"),
+                (debugs, "DEBUGS"),
+            ]
+
+            for issues, group_name in sorted_issues:
+                if issues:
+                    visible_issue_count += len(issues)
+                    formatted = (
+                        (
+                            self.style.ERROR(str(e))
+                            if e.is_serious()
+                            else self.style.WARNING(str(e))
+                        )
+                        for e in issues
+                    )
+                    formatted = "\n".join(sorted(formatted))
+                    body += "\n%s:\n%s\n" % (group_name, formatted)
+
+        if visible_issue_count:
+            header = "System check identified some issues:\n"
+
+        if display_num_errors:
+            if visible_issue_count:
+                footer += "\n"
+            footer += "System check identified %s (%s silenced)." % (
+                (
+                    "no issues"
+                    if visible_issue_count == 0
+                    else (
+                        "1 issue"
+                        if visible_issue_count == 1
+                        else "%s issues" % visible_issue_count
+                    )
+                ),
+                len(all_issues) - visible_issue_count,
+            )
+
+        if any(e.is_serious(fail_level) and not e.is_silenced() for e in all_issues):
+            msg = self.style.ERROR("SystemCheckError: %s" % header) + body + footer
+            raise SystemCheckError(msg)
+        else:
+            msg = header + body + footer
+
+        if msg:
+            if visible_issue_count:
+                self.stderr.write(msg, lambda x: x)
+            else:
+                self.stdout.write(msg)
+
+    def check_migrations(self):
+        """
+        Print a warning if the set of migrations on disk don't match the
+        migrations in the database.
+        """
+        from django.db.migrations.executor import MigrationExecutor
+
+        try:
+            executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
+        except ImproperlyConfigured:
+            # No databases are configured (or the dummy one)
+            return
+
+        plan = executor.migration_plan(executor.loader.graph.leaf_nodes())
+        if plan:
+            apps_waiting_migration = sorted(
+                {migration.app_label for migration, backwards in plan}
+            )
+            self.stdout.write(
+                self.style.NOTICE(
+                    "\nYou have %(unapplied_migration_count)s unapplied migration(s). "
+                    "Your project may not work properly until you apply the "
+                    "migrations for app(s): %(apps_waiting_migration)s."
+                    % {
+                        "unapplied_migration_count": len(plan),
+                        "apps_waiting_migration": ", ".join(apps_waiting_migration),
+                    }
+                )
+            )
+            self.stdout.write(
+                self.style.NOTICE("Run 'python manage.py migrate' to apply them.")
+            )
+
+    def handle(self, *args, **options):
+        """
+        The actual logic of the command. Subclasses must implement
+        this method.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseCommand must provide a handle() method"
+        )
+
+
+class AppCommand(BaseCommand):
+    """
+    A management command which takes one or more installed application labels
+    as arguments, and does something with each of them.
+
+    Rather than implementing ``handle()``, subclasses must implement
+    ``handle_app_config()``, which will be called once for each application.
+    """
+
+    missing_args_message = "Enter at least one application label."
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "args",
+            metavar="app_label",
+            nargs="+",
+            help="One or more application label.",
+        )
+
+    def handle(self, *app_labels, **options):
+        from django.apps import apps
+
+        try:
+            app_configs = [apps.get_app_config(app_label) for app_label in app_labels]
+        except (LookupError, ImportError) as e:
+            raise CommandError(
+                "%s. Are you sure your INSTALLED_APPS setting is correct?" % e
+            )
+        output = []
+        for app_config in app_configs:
+            app_output = self.handle_app_config(app_config, **options)
+            if app_output:
+                output.append(app_output)
+        return "\n".join(output)
+
+    def handle_app_config(self, app_config, **options):
+        """
+        Perform the command's actions for app_config, an AppConfig instance
+        corresponding to an application label given on the command line.
+        """
+        raise NotImplementedError(
+            "Subclasses of AppCommand must provide a handle_app_config() method."
+        )
+
+
+class LabelCommand(BaseCommand):
+    """
+    A management command which takes one or more arbitrary arguments
+    (labels) on the command line, and does something with each of
+    them.
+
+    Rather than implementing ``handle()``, subclasses must implement
+    ``handle_label()``, which will be called once for each label.
+
+    If the arguments should be names of installed applications, use
+    ``AppCommand`` instead.
+    """
+
+    label = "label"
+    missing_args_message = "Enter at least one %s." % label
+
+    def add_arguments(self, parser):
+        parser.add_argument("args", metavar=self.label, nargs="+")
+
+    def handle(self, *labels, **options):
+        output = []
+        for label in labels:
+            label_output = self.handle_label(label, **options)
+            if label_output:
+                output.append(label_output)
+        return "\n".join(output)
+
+    def handle_label(self, label, **options):
+        """
+        Perform the command's actions for ``label``, which will be the
+        string as given on the command line.
+        """
+        raise NotImplementedError(
+            "subclasses of LabelCommand must provide a handle_label() method"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/color.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/color.py
new file mode 100644
index 00000000..eef64b22
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/color.py
@@ -0,0 +1,120 @@
+"""
+Sets up the terminal color scheme.
+"""
+
+import functools
+import os
+import sys
+
+from django.utils import termcolors
+
+try:
+    import colorama
+
+    # Avoid initializing colorama in non-Windows platforms.
+    colorama.just_fix_windows_console()
+except (
+    AttributeError,  # colorama <= 0.4.6.
+    ImportError,  # colorama is not installed.
+    # If just_fix_windows_console() accesses sys.stdout with
+    # WSGIRestrictedStdout.
+    OSError,
+):
+    HAS_COLORAMA = False
+else:
+    HAS_COLORAMA = True
+
+
+def supports_color():
+    """
+    Return True if the running system's terminal supports color,
+    and False otherwise.
+    """
+
+    def vt_codes_enabled_in_windows_registry():
+        """
+        Check the Windows Registry to see if VT code handling has been enabled
+        by default, see https://superuser.com/a/1300251/447564.
+        """
+        try:
+            # winreg is only available on Windows.
+            import winreg
+        except ImportError:
+            return False
+        else:
+            try:
+                reg_key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, "Console")
+                reg_key_value, _ = winreg.QueryValueEx(reg_key, "VirtualTerminalLevel")
+            except FileNotFoundError:
+                return False
+            else:
+                return reg_key_value == 1
+
+    # isatty is not always implemented, #6223.
+    is_a_tty = hasattr(sys.stdout, "isatty") and sys.stdout.isatty()
+
+    return is_a_tty and (
+        sys.platform != "win32"
+        or (HAS_COLORAMA and getattr(colorama, "fixed_windows_console", False))
+        or "ANSICON" in os.environ
+        or
+        # Windows Terminal supports VT codes.
+        "WT_SESSION" in os.environ
+        or
+        # Microsoft Visual Studio Code's built-in terminal supports colors.
+        os.environ.get("TERM_PROGRAM") == "vscode"
+        or vt_codes_enabled_in_windows_registry()
+    )
+
+
+class Style:
+    pass
+
+
+def make_style(config_string=""):
+    """
+    Create a Style object from the given config_string.
+
+    If config_string is empty django.utils.termcolors.DEFAULT_PALETTE is used.
+    """
+
+    style = Style()
+
+    color_settings = termcolors.parse_color_setting(config_string)
+
+    # The nocolor palette has all available roles.
+    # Use that palette as the basis for populating
+    # the palette as defined in the environment.
+    for role in termcolors.PALETTES[termcolors.NOCOLOR_PALETTE]:
+        if color_settings:
+            format = color_settings.get(role, {})
+            style_func = termcolors.make_style(**format)
+        else:
+
+            def style_func(x):
+                return x
+
+        setattr(style, role, style_func)
+
+    # For backwards compatibility,
+    # set style for ERROR_OUTPUT == ERROR
+    style.ERROR_OUTPUT = style.ERROR
+
+    return style
+
+
+@functools.cache
+def no_style():
+    """
+    Return a Style object with no color scheme.
+    """
+    return make_style("nocolor")
+
+
+def color_style(force_color=False):
+    """
+    Return a Style object from the Django color scheme.
+    """
+    if not force_color and not supports_color():
+        return no_style()
+    return make_style(os.environ.get("DJANGO_COLORS", ""))
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/check.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/check.py
new file mode 100644
index 00000000..7624b853
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/check.py
@@ -0,0 +1,83 @@
+from django.apps import apps
+from django.core import checks
+from django.core.checks.registry import registry
+from django.core.management.base import BaseCommand, CommandError
+
+
+class Command(BaseCommand):
+    help = "Checks the entire Django project for potential problems."
+
+    requires_system_checks = []
+
+    def add_arguments(self, parser):
+        parser.add_argument("args", metavar="app_label", nargs="*")
+        parser.add_argument(
+            "--tag",
+            "-t",
+            action="append",
+            dest="tags",
+            help="Run only checks labeled with given tag.",
+        )
+        parser.add_argument(
+            "--list-tags",
+            action="store_true",
+            help="List available tags.",
+        )
+        parser.add_argument(
+            "--deploy",
+            action="store_true",
+            help="Check deployment settings.",
+        )
+        parser.add_argument(
+            "--fail-level",
+            default="ERROR",
+            choices=["CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG"],
+            help=(
+                "Message level that will cause the command to exit with a "
+                "non-zero status. Default is ERROR."
+            ),
+        )
+        parser.add_argument(
+            "--database",
+            action="append",
+            dest="databases",
+            help="Run database related checks against these aliases.",
+        )
+
+    def handle(self, *app_labels, **options):
+        include_deployment_checks = options["deploy"]
+        if options["list_tags"]:
+            self.stdout.write(
+                "\n".join(sorted(registry.tags_available(include_deployment_checks)))
+            )
+            return
+
+        if app_labels:
+            app_configs = [apps.get_app_config(app_label) for app_label in app_labels]
+        else:
+            app_configs = None
+
+        tags = options["tags"]
+        if tags:
+            try:
+                invalid_tag = next(
+                    tag
+                    for tag in tags
+                    if not checks.tag_exists(tag, include_deployment_checks)
+                )
+            except StopIteration:
+                # no invalid tags
+                pass
+            else:
+                raise CommandError(
+                    'There is no system check with the "%s" tag.' % invalid_tag
+                )
+
+        self.check(
+            app_configs=app_configs,
+            tags=tags,
+            display_num_errors=True,
+            include_deployment_checks=include_deployment_checks,
+            fail_level=getattr(checks, options["fail_level"]),
+            databases=options["databases"],
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/compilemessages.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/compilemessages.py
new file mode 100644
index 00000000..9ed3ef7c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/compilemessages.py
@@ -0,0 +1,195 @@
+import codecs
+import concurrent.futures
+import glob
+import os
+from pathlib import Path
+
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.utils import find_command, is_ignored_path, popen_wrapper
+
+
+def has_bom(fn):
+    with fn.open("rb") as f:
+        sample = f.read(4)
+    return sample.startswith(
+        (codecs.BOM_UTF8, codecs.BOM_UTF16_LE, codecs.BOM_UTF16_BE)
+    )
+
+
+def is_writable(path):
+    # Known side effect: updating file access/modified time to current time if
+    # it is writable.
+    try:
+        with open(path, "a"):
+            os.utime(path, None)
+    except OSError:
+        return False
+    return True
+
+
+class Command(BaseCommand):
+    help = "Compiles .po files to .mo files for use with builtin gettext support."
+
+    requires_system_checks = []
+
+    program = "msgfmt"
+    program_options = ["--check-format"]
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--locale",
+            "-l",
+            action="append",
+            default=[],
+            help="Locale(s) to process (e.g. de_AT). Default is to process all. "
+            "Can be used multiple times.",
+        )
+        parser.add_argument(
+            "--exclude",
+            "-x",
+            action="append",
+            default=[],
+            help="Locales to exclude. Default is none. Can be used multiple times.",
+        )
+        parser.add_argument(
+            "--use-fuzzy",
+            "-f",
+            dest="fuzzy",
+            action="store_true",
+            help="Use fuzzy translations.",
+        )
+        parser.add_argument(
+            "--ignore",
+            "-i",
+            action="append",
+            dest="ignore_patterns",
+            default=[],
+            metavar="PATTERN",
+            help="Ignore directories matching this glob-style pattern. "
+            "Use multiple times to ignore more.",
+        )
+
+    def handle(self, **options):
+        locale = options["locale"]
+        exclude = options["exclude"]
+        ignore_patterns = set(options["ignore_patterns"])
+        self.verbosity = options["verbosity"]
+        if options["fuzzy"]:
+            self.program_options = self.program_options + ["-f"]
+
+        if find_command(self.program) is None:
+            raise CommandError(
+                "Can't find %s. Make sure you have GNU gettext "
+                "tools 0.15 or newer installed." % self.program
+            )
+
+        basedirs = [os.path.join("conf", "locale"), "locale"]
+        if os.environ.get("DJANGO_SETTINGS_MODULE"):
+            from django.conf import settings
+
+            basedirs.extend(settings.LOCALE_PATHS)
+
+        # Walk entire tree, looking for locale directories
+        for dirpath, dirnames, filenames in os.walk(".", topdown=True):
+            for dirname in dirnames:
+                if is_ignored_path(
+                    os.path.normpath(os.path.join(dirpath, dirname)), ignore_patterns
+                ):
+                    dirnames.remove(dirname)
+                elif dirname == "locale":
+                    basedirs.append(os.path.join(dirpath, dirname))
+
+        # Gather existing directories.
+        basedirs = set(map(os.path.abspath, filter(os.path.isdir, basedirs)))
+
+        if not basedirs:
+            raise CommandError(
+                "This script should be run from the Django Git "
+                "checkout or your project or app tree, or with "
+                "the settings module specified."
+            )
+
+        # Build locale list
+        all_locales = []
+        for basedir in basedirs:
+            locale_dirs = filter(os.path.isdir, glob.glob("%s/*" % basedir))
+            all_locales.extend(map(os.path.basename, locale_dirs))
+
+        # Account for excluded locales
+        locales = locale or all_locales
+        locales = set(locales).difference(exclude)
+
+        self.has_errors = False
+        for basedir in basedirs:
+            if locales:
+                dirs = [
+                    os.path.join(basedir, locale, "LC_MESSAGES") for locale in locales
+                ]
+            else:
+                dirs = [basedir]
+            locations = []
+            for ldir in dirs:
+                for dirpath, dirnames, filenames in os.walk(ldir):
+                    locations.extend(
+                        (dirpath, f) for f in filenames if f.endswith(".po")
+                    )
+            if locations:
+                self.compile_messages(locations)
+
+        if self.has_errors:
+            raise CommandError("compilemessages generated one or more errors.")
+
+    def compile_messages(self, locations):
+        """
+        Locations is a list of tuples: [(directory, file), ...]
+        """
+        with concurrent.futures.ThreadPoolExecutor() as executor:
+            futures = []
+            for i, (dirpath, f) in enumerate(locations):
+                po_path = Path(dirpath) / f
+                mo_path = po_path.with_suffix(".mo")
+                try:
+                    if mo_path.stat().st_mtime >= po_path.stat().st_mtime:
+                        if self.verbosity > 0:
+                            self.stdout.write(
+                                "File “%s” is already compiled and up to date."
+                                % po_path
+                            )
+                        continue
+                except FileNotFoundError:
+                    pass
+                if self.verbosity > 0:
+                    self.stdout.write("processing file %s in %s" % (f, dirpath))
+
+                if has_bom(po_path):
+                    self.stderr.write(
+                        "The %s file has a BOM (Byte Order Mark). Django only "
+                        "supports .po files encoded in UTF-8 and without any BOM."
+                        % po_path
+                    )
+                    self.has_errors = True
+                    continue
+
+                # Check writability on first location
+                if i == 0 and not is_writable(mo_path):
+                    self.stderr.write(
+                        "The po files under %s are in a seemingly not writable "
+                        "location. mo files will not be updated/created." % dirpath
+                    )
+                    self.has_errors = True
+                    return
+
+                args = [self.program, *self.program_options, "-o", mo_path, po_path]
+                futures.append(executor.submit(popen_wrapper, args))
+
+            for future in concurrent.futures.as_completed(futures):
+                output, errors, status = future.result()
+                if status:
+                    if self.verbosity > 0:
+                        if errors:
+                            self.stderr.write(
+                                "Execution of %s failed: %s" % (self.program, errors)
+                            )
+                        else:
+                            self.stderr.write("Execution of %s failed" % self.program)
+                    self.has_errors = True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/createcachetable.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/createcachetable.py
new file mode 100644
index 00000000..65ed1686
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/createcachetable.py
@@ -0,0 +1,130 @@
+from django.conf import settings
+from django.core.cache import caches
+from django.core.cache.backends.db import BaseDatabaseCache
+from django.core.management.base import BaseCommand, CommandError
+from django.db import (
+    DEFAULT_DB_ALIAS,
+    DatabaseError,
+    connections,
+    models,
+    router,
+    transaction,
+)
+
+
+class Command(BaseCommand):
+    help = "Creates the tables needed to use the SQL cache backend."
+
+    requires_system_checks = []
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "args",
+            metavar="table_name",
+            nargs="*",
+            help=(
+                "Optional table names. Otherwise, settings.CACHES is used to find "
+                "cache tables."
+            ),
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help="Nominates a database onto which the cache tables will be "
+            'installed. Defaults to the "default" database.',
+        )
+        parser.add_argument(
+            "--dry-run",
+            action="store_true",
+            help="Does not create the table, just prints the SQL that would be run.",
+        )
+
+    def handle(self, *tablenames, **options):
+        db = options["database"]
+        self.verbosity = options["verbosity"]
+        dry_run = options["dry_run"]
+        if tablenames:
+            # Legacy behavior, tablename specified as argument
+            for tablename in tablenames:
+                self.create_table(db, tablename, dry_run)
+        else:
+            for cache_alias in settings.CACHES:
+                cache = caches[cache_alias]
+                if isinstance(cache, BaseDatabaseCache):
+                    self.create_table(db, cache._table, dry_run)
+
+    def create_table(self, database, tablename, dry_run):
+        cache = BaseDatabaseCache(tablename, {})
+        if not router.allow_migrate_model(database, cache.cache_model_class):
+            return
+        connection = connections[database]
+
+        if tablename in connection.introspection.table_names():
+            if self.verbosity > 0:
+                self.stdout.write("Cache table '%s' already exists." % tablename)
+            return
+
+        fields = (
+            # "key" is a reserved word in MySQL, so use "cache_key" instead.
+            models.CharField(
+                name="cache_key", max_length=255, unique=True, primary_key=True
+            ),
+            models.TextField(name="value"),
+            models.DateTimeField(name="expires", db_index=True),
+        )
+        table_output = []
+        index_output = []
+        qn = connection.ops.quote_name
+        for f in fields:
+            field_output = [
+                qn(f.name),
+                f.db_type(connection=connection),
+                "%sNULL" % ("NOT " if not f.null else ""),
+            ]
+            if f.primary_key:
+                field_output.append("PRIMARY KEY")
+            elif f.unique:
+                field_output.append("UNIQUE")
+            if f.db_index:
+                unique = "UNIQUE " if f.unique else ""
+                index_output.append(
+                    "CREATE %sINDEX %s ON %s (%s);"
+                    % (
+                        unique,
+                        qn("%s_%s" % (tablename, f.name)),
+                        qn(tablename),
+                        qn(f.name),
+                    )
+                )
+            table_output.append(" ".join(field_output))
+        full_statement = ["CREATE TABLE %s (" % qn(tablename)]
+        for i, line in enumerate(table_output):
+            full_statement.append(
+                "    %s%s" % (line, "," if i < len(table_output) - 1 else "")
+            )
+        full_statement.append(");")
+
+        full_statement = "\n".join(full_statement)
+
+        if dry_run:
+            self.stdout.write(full_statement)
+            for statement in index_output:
+                self.stdout.write(statement)
+            return
+
+        with transaction.atomic(
+            using=database, savepoint=connection.features.can_rollback_ddl
+        ):
+            with connection.cursor() as curs:
+                try:
+                    curs.execute(full_statement)
+                except DatabaseError as e:
+                    raise CommandError(
+                        "Cache table '%s' could not be created.\nThe error was: %s."
+                        % (tablename, e)
+                    )
+                for statement in index_output:
+                    curs.execute(statement)
+
+        if self.verbosity > 1:
+            self.stdout.write("Cache table '%s' created." % tablename)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/dbshell.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/dbshell.py
new file mode 100644
index 00000000..bdb13059
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/dbshell.py
@@ -0,0 +1,48 @@
+import subprocess
+
+from django.core.management.base import BaseCommand, CommandError
+from django.db import DEFAULT_DB_ALIAS, connections
+
+
+class Command(BaseCommand):
+    help = (
+        "Runs the command-line client for specified database, or the "
+        "default database if none is provided."
+    )
+
+    requires_system_checks = []
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                "Nominates a database onto which to open a shell. Defaults to the "
+                '"default" database.'
+            ),
+        )
+        parameters = parser.add_argument_group("parameters", prefix_chars="--")
+        parameters.add_argument("parameters", nargs="*")
+
+    def handle(self, **options):
+        connection = connections[options["database"]]
+        try:
+            connection.client.runshell(options["parameters"])
+        except FileNotFoundError:
+            # Note that we're assuming the FileNotFoundError relates to the
+            # command missing. It could be raised for some other reason, in
+            # which case this error message would be inaccurate. Still, this
+            # message catches the common case.
+            raise CommandError(
+                "You appear not to have the %r program installed or on your path."
+                % connection.client.executable_name
+            )
+        except subprocess.CalledProcessError as e:
+            raise CommandError(
+                '"%s" returned non-zero exit status %s.'
+                % (
+                    " ".join(map(str, e.cmd)),
+                    e.returncode,
+                ),
+                returncode=e.returncode,
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/diffsettings.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/diffsettings.py
new file mode 100644
index 00000000..047e4764
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/diffsettings.py
@@ -0,0 +1,91 @@
+from django.core.management.base import BaseCommand
+
+
+def module_to_dict(module, omittable=lambda k: k.startswith("_") or not k.isupper()):
+    """Convert a module namespace to a Python dictionary."""
+    return {k: repr(getattr(module, k)) for k in dir(module) if not omittable(k)}
+
+
+class Command(BaseCommand):
+    help = """Displays differences between the current settings.py and Django's
+    default settings."""
+
+    requires_system_checks = []
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--all",
+            action="store_true",
+            help=(
+                'Display all settings, regardless of their value. In "hash" '
+                'mode, default values are prefixed by "###".'
+            ),
+        )
+        parser.add_argument(
+            "--default",
+            metavar="MODULE",
+            help=(
+                "The settings module to compare the current settings against. Leave "
+                "empty to compare against Django's default settings."
+            ),
+        )
+        parser.add_argument(
+            "--output",
+            default="hash",
+            choices=("hash", "unified"),
+            help=(
+                "Selects the output format. 'hash' mode displays each changed "
+                "setting, with the settings that don't appear in the defaults "
+                "followed by ###. 'unified' mode prefixes the default setting "
+                "with a minus sign, followed by the changed setting prefixed "
+                "with a plus sign."
+            ),
+        )
+
+    def handle(self, **options):
+        from django.conf import Settings, global_settings, settings
+
+        # Because settings are imported lazily, we need to explicitly load them.
+        if not settings.configured:
+            settings._setup()
+
+        user_settings = module_to_dict(settings._wrapped)
+        default = options["default"]
+        default_settings = module_to_dict(
+            Settings(default) if default else global_settings
+        )
+        output_func = {
+            "hash": self.output_hash,
+            "unified": self.output_unified,
+        }[options["output"]]
+        return "\n".join(output_func(user_settings, default_settings, **options))
+
+    def output_hash(self, user_settings, default_settings, **options):
+        # Inspired by Postfix's "postconf -n".
+        output = []
+        for key in sorted(user_settings):
+            if key not in default_settings:
+                output.append("%s = %s  ###" % (key, user_settings[key]))
+            elif user_settings[key] != default_settings[key]:
+                output.append("%s = %s" % (key, user_settings[key]))
+            elif options["all"]:
+                output.append("### %s = %s" % (key, user_settings[key]))
+        return output
+
+    def output_unified(self, user_settings, default_settings, **options):
+        output = []
+        for key in sorted(user_settings):
+            if key not in default_settings:
+                output.append(
+                    self.style.SUCCESS("+ %s = %s" % (key, user_settings[key]))
+                )
+            elif user_settings[key] != default_settings[key]:
+                output.append(
+                    self.style.ERROR("- %s = %s" % (key, default_settings[key]))
+                )
+                output.append(
+                    self.style.SUCCESS("+ %s = %s" % (key, user_settings[key]))
+                )
+            elif options["all"]:
+                output.append("  %s = %s" % (key, user_settings[key]))
+        return output
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/dumpdata.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/dumpdata.py
new file mode 100644
index 00000000..01ff8974
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/dumpdata.py
@@ -0,0 +1,284 @@
+import gzip
+import os
+import warnings
+
+from django.apps import apps
+from django.core import serializers
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.utils import parse_apps_and_model_labels
+from django.db import DEFAULT_DB_ALIAS, router
+
+try:
+    import bz2
+
+    has_bz2 = True
+except ImportError:
+    has_bz2 = False
+
+try:
+    import lzma
+
+    has_lzma = True
+except ImportError:
+    has_lzma = False
+
+
+class ProxyModelWarning(Warning):
+    pass
+
+
+class Command(BaseCommand):
+    help = (
+        "Output the contents of the database as a fixture of the given format "
+        "(using each model's default manager unless --all is specified)."
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "args",
+            metavar="app_label[.ModelName]",
+            nargs="*",
+            help=(
+                "Restricts dumped data to the specified app_label or "
+                "app_label.ModelName."
+            ),
+        )
+        parser.add_argument(
+            "--format",
+            default="json",
+            help="Specifies the output serialization format for fixtures.",
+        )
+        parser.add_argument(
+            "--indent",
+            type=int,
+            help="Specifies the indent level to use when pretty-printing output.",
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help="Nominates a specific database to dump fixtures from. "
+            'Defaults to the "default" database.',
+        )
+        parser.add_argument(
+            "-e",
+            "--exclude",
+            action="append",
+            default=[],
+            help="An app_label or app_label.ModelName to exclude "
+            "(use multiple --exclude to exclude multiple apps/models).",
+        )
+        parser.add_argument(
+            "--natural-foreign",
+            action="store_true",
+            dest="use_natural_foreign_keys",
+            help="Use natural foreign keys if they are available.",
+        )
+        parser.add_argument(
+            "--natural-primary",
+            action="store_true",
+            dest="use_natural_primary_keys",
+            help="Use natural primary keys if they are available.",
+        )
+        parser.add_argument(
+            "-a",
+            "--all",
+            action="store_true",
+            dest="use_base_manager",
+            help=(
+                "Use Django's base manager to dump all models stored in the database, "
+                "including those that would otherwise be filtered or modified by a "
+                "custom manager."
+            ),
+        )
+        parser.add_argument(
+            "--pks",
+            dest="primary_keys",
+            help="Only dump objects with given primary keys. Accepts a comma-separated "
+            "list of keys. This option only works when you specify one model.",
+        )
+        parser.add_argument(
+            "-o", "--output", help="Specifies file to which the output is written."
+        )
+
+    def handle(self, *app_labels, **options):
+        format = options["format"]
+        indent = options["indent"]
+        using = options["database"]
+        excludes = options["exclude"]
+        output = options["output"]
+        show_traceback = options["traceback"]
+        use_natural_foreign_keys = options["use_natural_foreign_keys"]
+        use_natural_primary_keys = options["use_natural_primary_keys"]
+        use_base_manager = options["use_base_manager"]
+        pks = options["primary_keys"]
+
+        if pks:
+            primary_keys = [pk.strip() for pk in pks.split(",")]
+        else:
+            primary_keys = []
+
+        excluded_models, excluded_apps = parse_apps_and_model_labels(excludes)
+
+        if not app_labels:
+            if primary_keys:
+                raise CommandError("You can only use --pks option with one model")
+            app_list = dict.fromkeys(
+                app_config
+                for app_config in apps.get_app_configs()
+                if app_config.models_module is not None
+                and app_config not in excluded_apps
+            )
+        else:
+            if len(app_labels) > 1 and primary_keys:
+                raise CommandError("You can only use --pks option with one model")
+            app_list = {}
+            for label in app_labels:
+                try:
+                    app_label, model_label = label.split(".")
+                    try:
+                        app_config = apps.get_app_config(app_label)
+                    except LookupError as e:
+                        raise CommandError(str(e))
+                    if app_config.models_module is None or app_config in excluded_apps:
+                        continue
+                    try:
+                        model = app_config.get_model(model_label)
+                    except LookupError:
+                        raise CommandError(
+                            "Unknown model: %s.%s" % (app_label, model_label)
+                        )
+
+                    app_list_value = app_list.setdefault(app_config, [])
+
+                    # We may have previously seen an "all-models" request for
+                    # this app (no model qualifier was given). In this case
+                    # there is no need adding specific models to the list.
+                    if app_list_value is not None and model not in app_list_value:
+                        app_list_value.append(model)
+                except ValueError:
+                    if primary_keys:
+                        raise CommandError(
+                            "You can only use --pks option with one model"
+                        )
+                    # This is just an app - no model qualifier
+                    app_label = label
+                    try:
+                        app_config = apps.get_app_config(app_label)
+                    except LookupError as e:
+                        raise CommandError(str(e))
+                    if app_config.models_module is None or app_config in excluded_apps:
+                        continue
+                    app_list[app_config] = None
+
+        # Check that the serialization format exists; this is a shortcut to
+        # avoid collating all the objects and _then_ failing.
+        if format not in serializers.get_public_serializer_formats():
+            try:
+                serializers.get_serializer(format)
+            except serializers.SerializerDoesNotExist:
+                pass
+
+            raise CommandError("Unknown serialization format: %s" % format)
+
+        def get_objects(count_only=False):
+            """
+            Collate the objects to be serialized. If count_only is True, just
+            count the number of objects to be serialized.
+            """
+            if use_natural_foreign_keys:
+                models = serializers.sort_dependencies(
+                    app_list.items(), allow_cycles=True
+                )
+            else:
+                # There is no need to sort dependencies when natural foreign
+                # keys are not used.
+                models = []
+                for app_config, model_list in app_list.items():
+                    if model_list is None:
+                        models.extend(app_config.get_models())
+                    else:
+                        models.extend(model_list)
+            for model in models:
+                if model in excluded_models:
+                    continue
+                if model._meta.proxy and model._meta.proxy_for_model not in models:
+                    warnings.warn(
+                        "%s is a proxy model and won't be serialized."
+                        % model._meta.label,
+                        category=ProxyModelWarning,
+                    )
+                if not model._meta.proxy and router.allow_migrate_model(using, model):
+                    if use_base_manager:
+                        objects = model._base_manager
+                    else:
+                        objects = model._default_manager
+
+                    queryset = objects.using(using).order_by(model._meta.pk.name)
+                    if primary_keys:
+                        queryset = queryset.filter(pk__in=primary_keys)
+                    if count_only:
+                        yield queryset.order_by().count()
+                    else:
+                        chunk_size = (
+                            2000 if queryset._prefetch_related_lookups else None
+                        )
+                        yield from queryset.iterator(chunk_size=chunk_size)
+
+        try:
+            self.stdout.ending = None
+            progress_output = None
+            object_count = 0
+            # If dumpdata is outputting to stdout, there is no way to display progress
+            if output and self.stdout.isatty() and options["verbosity"] > 0:
+                progress_output = self.stdout
+                object_count = sum(get_objects(count_only=True))
+            if output:
+                file_root, file_ext = os.path.splitext(output)
+                compression_formats = {
+                    ".bz2": (open, {}, file_root),
+                    ".gz": (gzip.open, {}, output),
+                    ".lzma": (open, {}, file_root),
+                    ".xz": (open, {}, file_root),
+                    ".zip": (open, {}, file_root),
+                }
+                if has_bz2:
+                    compression_formats[".bz2"] = (bz2.open, {}, output)
+                if has_lzma:
+                    compression_formats[".lzma"] = (
+                        lzma.open,
+                        {"format": lzma.FORMAT_ALONE},
+                        output,
+                    )
+                    compression_formats[".xz"] = (lzma.open, {}, output)
+                try:
+                    open_method, kwargs, file_path = compression_formats[file_ext]
+                except KeyError:
+                    open_method, kwargs, file_path = (open, {}, output)
+                if file_path != output:
+                    file_name = os.path.basename(file_path)
+                    warnings.warn(
+                        f"Unsupported file extension ({file_ext}). "
+                        f"Fixtures saved in '{file_name}'.",
+                        RuntimeWarning,
+                    )
+                stream = open_method(file_path, "wt", **kwargs)
+            else:
+                stream = None
+            try:
+                serializers.serialize(
+                    format,
+                    get_objects(),
+                    indent=indent,
+                    use_natural_foreign_keys=use_natural_foreign_keys,
+                    use_natural_primary_keys=use_natural_primary_keys,
+                    stream=stream or self.stdout,
+                    progress_output=progress_output,
+                    object_count=object_count,
+                )
+            finally:
+                if stream:
+                    stream.close()
+        except Exception as e:
+            if show_traceback:
+                raise
+            raise CommandError("Unable to serialize database: %s" % e)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/flush.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/flush.py
new file mode 100644
index 00000000..e9d440dd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/flush.py
@@ -0,0 +1,92 @@
+from importlib import import_module
+
+from django.apps import apps
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.color import no_style
+from django.core.management.sql import emit_post_migrate_signal, sql_flush
+from django.db import DEFAULT_DB_ALIAS, connections
+
+
+class Command(BaseCommand):
+    help = (
+        "Removes ALL DATA from the database, including data added during "
+        'migrations. Does not achieve a "fresh install" state.'
+    )
+    stealth_options = ("reset_sequences", "allow_cascade", "inhibit_post_migrate")
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Tells Django to NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help='Nominates a database to flush. Defaults to the "default" database.',
+        )
+
+    def handle(self, **options):
+        database = options["database"]
+        connection = connections[database]
+        verbosity = options["verbosity"]
+        interactive = options["interactive"]
+        # The following are stealth options used by Django's internals.
+        reset_sequences = options.get("reset_sequences", True)
+        allow_cascade = options.get("allow_cascade", False)
+        inhibit_post_migrate = options.get("inhibit_post_migrate", False)
+
+        self.style = no_style()
+
+        # Import the 'management' module within each installed app, to register
+        # dispatcher events.
+        for app_config in apps.get_app_configs():
+            try:
+                import_module(".management", app_config.name)
+            except ImportError:
+                pass
+
+        sql_list = sql_flush(
+            self.style,
+            connection,
+            reset_sequences=reset_sequences,
+            allow_cascade=allow_cascade,
+        )
+
+        if interactive:
+            confirm = input(
+                """You have requested a flush of the database.
+This will IRREVERSIBLY DESTROY all data currently in the "%s" database,
+and return each table to an empty state.
+Are you sure you want to do this?
+
+    Type 'yes' to continue, or 'no' to cancel: """
+                % connection.settings_dict["NAME"]
+            )
+        else:
+            confirm = "yes"
+
+        if confirm == "yes":
+            try:
+                connection.ops.execute_sql_flush(sql_list)
+            except Exception as exc:
+                raise CommandError(
+                    "Database %s couldn't be flushed. Possible reasons:\n"
+                    "  * The database isn't running or isn't configured correctly.\n"
+                    "  * At least one of the expected database tables doesn't exist.\n"
+                    "  * The SQL was invalid.\n"
+                    "Hint: Look at the output of 'django-admin sqlflush'. "
+                    "That's the SQL this command wasn't able to run."
+                    % (connection.settings_dict["NAME"],)
+                ) from exc
+
+            # Empty sql_list may signify an empty database and post_migrate
+            # would then crash.
+            if sql_list and not inhibit_post_migrate:
+                # Emit the post migrate signal. This allows individual applications to
+                # respond as if the database had been migrated from scratch.
+                emit_post_migrate_signal(verbosity, interactive, database)
+        else:
+            self.stdout.write("Flush cancelled.")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/inspectdb.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/inspectdb.py
new file mode 100644
index 00000000..5c2ed53d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/inspectdb.py
@@ -0,0 +1,414 @@
+import keyword
+import re
+
+from django.core.management.base import BaseCommand, CommandError
+from django.db import DEFAULT_DB_ALIAS, connections
+from django.db.models.constants import LOOKUP_SEP
+
+
+class Command(BaseCommand):
+    help = (
+        "Introspects the database tables in the given database and outputs a Django "
+        "model module."
+    )
+    requires_system_checks = []
+    stealth_options = ("table_name_filter",)
+    db_module = "django.db"
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "table",
+            nargs="*",
+            type=str,
+            help="Selects what tables or views should be introspected.",
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                'Nominates a database to introspect. Defaults to using the "default" '
+                "database."
+            ),
+        )
+        parser.add_argument(
+            "--include-partitions",
+            action="store_true",
+            help="Also output models for partition tables.",
+        )
+        parser.add_argument(
+            "--include-views",
+            action="store_true",
+            help="Also output models for database views.",
+        )
+
+    def handle(self, **options):
+        try:
+            for line in self.handle_inspection(options):
+                self.stdout.write(line)
+        except NotImplementedError:
+            raise CommandError(
+                "Database inspection isn't supported for the currently selected "
+                "database backend."
+            )
+
+    def handle_inspection(self, options):
+        connection = connections[options["database"]]
+        # 'table_name_filter' is a stealth option
+        table_name_filter = options.get("table_name_filter")
+
+        with connection.cursor() as cursor:
+            yield "# This is an auto-generated Django model module."
+            yield "# You'll have to do the following manually to clean this up:"
+            yield "#   * Rearrange models' order"
+            yield "#   * Make sure each model has one field with primary_key=True"
+            yield (
+                "#   * Make sure each ForeignKey and OneToOneField has `on_delete` set "
+                "to the desired behavior"
+            )
+            yield (
+                "#   * Remove `managed = False` lines if you wish to allow "
+                "Django to create, modify, and delete the table"
+            )
+            yield (
+                "# Feel free to rename the models, but don't rename db_table values or "
+                "field names."
+            )
+            yield "from %s import models" % self.db_module
+            known_models = []
+            # Determine types of tables and/or views to be introspected.
+            types = {"t"}
+            if options["include_partitions"]:
+                types.add("p")
+            if options["include_views"]:
+                types.add("v")
+            table_info = connection.introspection.get_table_list(cursor)
+            table_info = {info.name: info for info in table_info if info.type in types}
+
+            for table_name in options["table"] or sorted(name for name in table_info):
+                if table_name_filter is not None and callable(table_name_filter):
+                    if not table_name_filter(table_name):
+                        continue
+                try:
+                    try:
+                        relations = connection.introspection.get_relations(
+                            cursor, table_name
+                        )
+                    except NotImplementedError:
+                        relations = {}
+                    try:
+                        constraints = connection.introspection.get_constraints(
+                            cursor, table_name
+                        )
+                    except NotImplementedError:
+                        constraints = {}
+                    primary_key_columns = (
+                        connection.introspection.get_primary_key_columns(
+                            cursor, table_name
+                        )
+                    )
+                    primary_key_column = (
+                        primary_key_columns[0] if primary_key_columns else None
+                    )
+                    unique_columns = [
+                        c["columns"][0]
+                        for c in constraints.values()
+                        if c["unique"] and len(c["columns"]) == 1
+                    ]
+                    table_description = connection.introspection.get_table_description(
+                        cursor, table_name
+                    )
+                except Exception as e:
+                    yield "# Unable to inspect table '%s'" % table_name
+                    yield "# The error was: %s" % e
+                    continue
+
+                model_name = self.normalize_table_name(table_name)
+                yield ""
+                yield ""
+                yield "class %s(models.Model):" % model_name
+                known_models.append(model_name)
+                used_column_names = []  # Holds column names used in the table so far
+                column_to_field_name = {}  # Maps column names to names of model fields
+                used_relations = set()  # Holds foreign relations used in the table.
+                for row in table_description:
+                    comment_notes = (
+                        []
+                    )  # Holds Field notes, to be displayed in a Python comment.
+                    extra_params = {}  # Holds Field parameters such as 'db_column'.
+                    column_name = row.name
+                    is_relation = column_name in relations
+
+                    att_name, params, notes = self.normalize_col_name(
+                        column_name, used_column_names, is_relation
+                    )
+                    extra_params.update(params)
+                    comment_notes.extend(notes)
+
+                    used_column_names.append(att_name)
+                    column_to_field_name[column_name] = att_name
+
+                    # Add primary_key and unique, if necessary.
+                    if column_name == primary_key_column:
+                        extra_params["primary_key"] = True
+                        if len(primary_key_columns) > 1:
+                            comment_notes.append(
+                                "The composite primary key (%s) found, that is not "
+                                "supported. The first column is selected."
+                                % ", ".join(primary_key_columns)
+                            )
+                    elif column_name in unique_columns:
+                        extra_params["unique"] = True
+
+                    if is_relation:
+                        ref_db_column, ref_db_table = relations[column_name]
+                        if extra_params.pop("unique", False) or extra_params.get(
+                            "primary_key"
+                        ):
+                            rel_type = "OneToOneField"
+                        else:
+                            rel_type = "ForeignKey"
+                            ref_pk_column = (
+                                connection.introspection.get_primary_key_column(
+                                    cursor, ref_db_table
+                                )
+                            )
+                            if ref_pk_column and ref_pk_column != ref_db_column:
+                                extra_params["to_field"] = ref_db_column
+                        rel_to = (
+                            "self"
+                            if ref_db_table == table_name
+                            else self.normalize_table_name(ref_db_table)
+                        )
+                        if rel_to in known_models:
+                            field_type = "%s(%s" % (rel_type, rel_to)
+                        else:
+                            field_type = "%s('%s'" % (rel_type, rel_to)
+                        if rel_to in used_relations:
+                            extra_params["related_name"] = "%s_%s_set" % (
+                                model_name.lower(),
+                                att_name,
+                            )
+                        used_relations.add(rel_to)
+                    else:
+                        # Calling `get_field_type` to get the field type string and any
+                        # additional parameters and notes.
+                        field_type, field_params, field_notes = self.get_field_type(
+                            connection, table_name, row
+                        )
+                        extra_params.update(field_params)
+                        comment_notes.extend(field_notes)
+
+                        field_type += "("
+
+                    # Don't output 'id = meta.AutoField(primary_key=True)', because
+                    # that's assumed if it doesn't exist.
+                    if att_name == "id" and extra_params == {"primary_key": True}:
+                        if field_type == "AutoField(":
+                            continue
+                        elif (
+                            field_type
+                            == connection.features.introspected_field_types["AutoField"]
+                            + "("
+                        ):
+                            comment_notes.append("AutoField?")
+
+                    # Add 'null' and 'blank', if the 'null_ok' flag was present in the
+                    # table description.
+                    if row.null_ok:  # If it's NULL...
+                        extra_params["blank"] = True
+                        extra_params["null"] = True
+
+                    field_desc = "%s = %s%s" % (
+                        att_name,
+                        # Custom fields will have a dotted path
+                        "" if "." in field_type else "models.",
+                        field_type,
+                    )
+                    if field_type.startswith(("ForeignKey(", "OneToOneField(")):
+                        field_desc += ", models.DO_NOTHING"
+
+                    # Add comment.
+                    if connection.features.supports_comments and row.comment:
+                        extra_params["db_comment"] = row.comment
+
+                    if extra_params:
+                        if not field_desc.endswith("("):
+                            field_desc += ", "
+                        field_desc += ", ".join(
+                            "%s=%r" % (k, v) for k, v in extra_params.items()
+                        )
+                    field_desc += ")"
+                    if comment_notes:
+                        field_desc += "  # " + " ".join(comment_notes)
+                    yield "    %s" % field_desc
+                comment = None
+                if info := table_info.get(table_name):
+                    is_view = info.type == "v"
+                    is_partition = info.type == "p"
+                    if connection.features.supports_comments:
+                        comment = info.comment
+                else:
+                    is_view = False
+                    is_partition = False
+                yield from self.get_meta(
+                    table_name,
+                    constraints,
+                    column_to_field_name,
+                    is_view,
+                    is_partition,
+                    comment,
+                )
+
+    def normalize_col_name(self, col_name, used_column_names, is_relation):
+        """
+        Modify the column name to make it Python-compatible as a field name
+        """
+        field_params = {}
+        field_notes = []
+
+        new_name = col_name.lower()
+        if new_name != col_name:
+            field_notes.append("Field name made lowercase.")
+
+        if is_relation:
+            if new_name.endswith("_id"):
+                new_name = new_name.removesuffix("_id")
+            else:
+                field_params["db_column"] = col_name
+
+        new_name, num_repl = re.subn(r"\W", "_", new_name)
+        if num_repl > 0:
+            field_notes.append("Field renamed to remove unsuitable characters.")
+
+        if new_name.find(LOOKUP_SEP) >= 0:
+            while new_name.find(LOOKUP_SEP) >= 0:
+                new_name = new_name.replace(LOOKUP_SEP, "_")
+            if col_name.lower().find(LOOKUP_SEP) >= 0:
+                # Only add the comment if the double underscore was in the original name
+                field_notes.append(
+                    "Field renamed because it contained more than one '_' in a row."
+                )
+
+        if new_name.startswith("_"):
+            new_name = "field%s" % new_name
+            field_notes.append("Field renamed because it started with '_'.")
+
+        if new_name.endswith("_"):
+            new_name = "%sfield" % new_name
+            field_notes.append("Field renamed because it ended with '_'.")
+
+        if keyword.iskeyword(new_name):
+            new_name += "_field"
+            field_notes.append("Field renamed because it was a Python reserved word.")
+
+        if new_name[0].isdigit():
+            new_name = "number_%s" % new_name
+            field_notes.append(
+                "Field renamed because it wasn't a valid Python identifier."
+            )
+
+        if new_name in used_column_names:
+            num = 0
+            while "%s_%d" % (new_name, num) in used_column_names:
+                num += 1
+            new_name = "%s_%d" % (new_name, num)
+            field_notes.append("Field renamed because of name conflict.")
+
+        if col_name != new_name and field_notes:
+            field_params["db_column"] = col_name
+
+        return new_name, field_params, field_notes
+
+    def normalize_table_name(self, table_name):
+        """Translate the table name to a Python-compatible model name."""
+        return re.sub(r"[^a-zA-Z0-9]", "", table_name.title())
+
+    def get_field_type(self, connection, table_name, row):
+        """
+        Given the database connection, the table name, and the cursor row
+        description, this routine will return the given field type name, as
+        well as any additional keyword parameters and notes for the field.
+        """
+        field_params = {}
+        field_notes = []
+
+        try:
+            field_type = connection.introspection.get_field_type(row.type_code, row)
+        except KeyError:
+            field_type = "TextField"
+            field_notes.append("This field type is a guess.")
+
+        # Add max_length for all CharFields.
+        if field_type == "CharField" and row.display_size:
+            if (size := int(row.display_size)) and size > 0:
+                field_params["max_length"] = size
+
+        if field_type in {"CharField", "TextField"} and row.collation:
+            field_params["db_collation"] = row.collation
+
+        if field_type == "DecimalField":
+            if row.precision is None or row.scale is None:
+                field_notes.append(
+                    "max_digits and decimal_places have been guessed, as this "
+                    "database handles decimal fields as float"
+                )
+                field_params["max_digits"] = (
+                    row.precision if row.precision is not None else 10
+                )
+                field_params["decimal_places"] = (
+                    row.scale if row.scale is not None else 5
+                )
+            else:
+                field_params["max_digits"] = row.precision
+                field_params["decimal_places"] = row.scale
+
+        return field_type, field_params, field_notes
+
+    def get_meta(
+        self,
+        table_name,
+        constraints,
+        column_to_field_name,
+        is_view,
+        is_partition,
+        comment,
+    ):
+        """
+        Return a sequence comprising the lines of code necessary
+        to construct the inner Meta class for the model corresponding
+        to the given database table name.
+        """
+        unique_together = []
+        has_unsupported_constraint = False
+        for params in constraints.values():
+            if params["unique"]:
+                columns = params["columns"]
+                if None in columns:
+                    has_unsupported_constraint = True
+                columns = [
+                    x for x in columns if x is not None and x in column_to_field_name
+                ]
+                if len(columns) > 1:
+                    unique_together.append(
+                        str(tuple(column_to_field_name[c] for c in columns))
+                    )
+        if is_view:
+            managed_comment = "  # Created from a view. Don't remove."
+        elif is_partition:
+            managed_comment = "  # Created from a partition. Don't remove."
+        else:
+            managed_comment = ""
+        meta = [""]
+        if has_unsupported_constraint:
+            meta.append("    # A unique constraint could not be introspected.")
+        meta += [
+            "    class Meta:",
+            "        managed = False%s" % managed_comment,
+            "        db_table = %r" % table_name,
+        ]
+        if unique_together:
+            tup = "(" + ", ".join(unique_together) + ",)"
+            meta += ["        unique_together = %s" % tup]
+        if comment:
+            meta += [f"        db_table_comment = {comment!r}"]
+        return meta
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/loaddata.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/loaddata.py
new file mode 100644
index 00000000..bb46e8ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/loaddata.py
@@ -0,0 +1,432 @@
+import functools
+import glob
+import gzip
+import os
+import sys
+import warnings
+import zipfile
+from itertools import product
+
+from django.apps import apps
+from django.conf import settings
+from django.core import serializers
+from django.core.exceptions import ImproperlyConfigured
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.color import no_style
+from django.core.management.utils import parse_apps_and_model_labels
+from django.db import (
+    DEFAULT_DB_ALIAS,
+    DatabaseError,
+    IntegrityError,
+    connections,
+    router,
+    transaction,
+)
+from django.utils.functional import cached_property
+
+try:
+    import bz2
+
+    has_bz2 = True
+except ImportError:
+    has_bz2 = False
+
+try:
+    import lzma
+
+    has_lzma = True
+except ImportError:
+    has_lzma = False
+
+READ_STDIN = "-"
+
+
+class Command(BaseCommand):
+    help = "Installs the named fixture(s) in the database."
+    missing_args_message = (
+        "No database fixture specified. Please provide the path of at least "
+        "one fixture in the command line."
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "args", metavar="fixture", nargs="+", help="Fixture labels."
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                "Nominates a specific database to load fixtures into. Defaults to the "
+                '"default" database.'
+            ),
+        )
+        parser.add_argument(
+            "--app",
+            dest="app_label",
+            help="Only look for fixtures in the specified app.",
+        )
+        parser.add_argument(
+            "--ignorenonexistent",
+            "-i",
+            action="store_true",
+            dest="ignore",
+            help="Ignores entries in the serialized data for fields that do not "
+            "currently exist on the model.",
+        )
+        parser.add_argument(
+            "-e",
+            "--exclude",
+            action="append",
+            default=[],
+            help=(
+                "An app_label or app_label.ModelName to exclude. Can be used multiple "
+                "times."
+            ),
+        )
+        parser.add_argument(
+            "--format",
+            help="Format of serialized data when reading from stdin.",
+        )
+
+    def handle(self, *fixture_labels, **options):
+        self.ignore = options["ignore"]
+        self.using = options["database"]
+        self.app_label = options["app_label"]
+        self.verbosity = options["verbosity"]
+        self.excluded_models, self.excluded_apps = parse_apps_and_model_labels(
+            options["exclude"]
+        )
+        self.format = options["format"]
+
+        with transaction.atomic(using=self.using):
+            self.loaddata(fixture_labels)
+
+        # Close the DB connection -- unless we're still in a transaction. This
+        # is required as a workaround for an edge case in MySQL: if the same
+        # connection is used to create tables, load data, and query, the query
+        # can return incorrect results. See Django #7572, MySQL #37735.
+        if transaction.get_autocommit(self.using):
+            connections[self.using].close()
+
+    @cached_property
+    def compression_formats(self):
+        """A dict mapping format names to (open function, mode arg) tuples."""
+        # Forcing binary mode may be revisited after dropping Python 2 support
+        # (see #22399).
+        compression_formats = {
+            None: (open, "rb"),
+            "gz": (gzip.GzipFile, "rb"),
+            "zip": (SingleZipReader, "r"),
+            "stdin": (lambda *args: sys.stdin, None),
+        }
+        if has_bz2:
+            compression_formats["bz2"] = (bz2.BZ2File, "r")
+        if has_lzma:
+            compression_formats["lzma"] = (lzma.LZMAFile, "r")
+            compression_formats["xz"] = (lzma.LZMAFile, "r")
+        return compression_formats
+
+    def reset_sequences(self, connection, models):
+        """Reset database sequences for the given connection and models."""
+        sequence_sql = connection.ops.sequence_reset_sql(no_style(), models)
+        if sequence_sql:
+            if self.verbosity >= 2:
+                self.stdout.write("Resetting sequences")
+            with connection.cursor() as cursor:
+                for line in sequence_sql:
+                    cursor.execute(line)
+
+    def loaddata(self, fixture_labels):
+        connection = connections[self.using]
+
+        # Keep a count of the installed objects and fixtures
+        self.fixture_count = 0
+        self.loaded_object_count = 0
+        self.fixture_object_count = 0
+        self.models = set()
+
+        self.serialization_formats = serializers.get_public_serializer_formats()
+
+        # Django's test suite repeatedly tries to load initial_data fixtures
+        # from apps that don't have any fixtures. Because disabling constraint
+        # checks can be expensive on some database (especially MSSQL), bail
+        # out early if no fixtures are found.
+        for fixture_label in fixture_labels:
+            if self.find_fixtures(fixture_label):
+                break
+        else:
+            return
+
+        self.objs_with_deferred_fields = []
+        with connection.constraint_checks_disabled():
+            for fixture_label in fixture_labels:
+                self.load_label(fixture_label)
+            for obj in self.objs_with_deferred_fields:
+                obj.save_deferred_fields(using=self.using)
+
+        # Since we disabled constraint checks, we must manually check for
+        # any invalid keys that might have been added
+        table_names = [model._meta.db_table for model in self.models]
+        try:
+            connection.check_constraints(table_names=table_names)
+        except Exception as e:
+            e.args = ("Problem installing fixtures: %s" % e,)
+            raise
+
+        # If we found even one object in a fixture, we need to reset the
+        # database sequences.
+        if self.loaded_object_count > 0:
+            self.reset_sequences(connection, self.models)
+
+        if self.verbosity >= 1:
+            if self.fixture_object_count == self.loaded_object_count:
+                self.stdout.write(
+                    "Installed %d object(s) from %d fixture(s)"
+                    % (self.loaded_object_count, self.fixture_count)
+                )
+            else:
+                self.stdout.write(
+                    "Installed %d object(s) (of %d) from %d fixture(s)"
+                    % (
+                        self.loaded_object_count,
+                        self.fixture_object_count,
+                        self.fixture_count,
+                    )
+                )
+
+    def save_obj(self, obj):
+        """Save an object if permitted."""
+        if (
+            obj.object._meta.app_config in self.excluded_apps
+            or type(obj.object) in self.excluded_models
+        ):
+            return False
+        saved = False
+        if router.allow_migrate_model(self.using, obj.object.__class__):
+            saved = True
+            self.models.add(obj.object.__class__)
+            try:
+                obj.save(using=self.using)
+            # psycopg raises ValueError if data contains NUL chars.
+            except (DatabaseError, IntegrityError, ValueError) as e:
+                e.args = (
+                    "Could not load %(object_label)s(pk=%(pk)s): %(error_msg)s"
+                    % {
+                        "object_label": obj.object._meta.label,
+                        "pk": obj.object.pk,
+                        "error_msg": e,
+                    },
+                )
+                raise
+        if obj.deferred_fields:
+            self.objs_with_deferred_fields.append(obj)
+        return saved
+
+    def load_label(self, fixture_label):
+        """Load fixtures files for a given label."""
+        show_progress = self.verbosity >= 3
+        for fixture_file, fixture_dir, fixture_name in self.find_fixtures(
+            fixture_label
+        ):
+            _, ser_fmt, cmp_fmt = self.parse_name(os.path.basename(fixture_file))
+            open_method, mode = self.compression_formats[cmp_fmt]
+            fixture = open_method(fixture_file, mode)
+            self.fixture_count += 1
+            objects_in_fixture = 0
+            loaded_objects_in_fixture = 0
+            if self.verbosity >= 2:
+                self.stdout.write(
+                    "Installing %s fixture '%s' from %s."
+                    % (ser_fmt, fixture_name, humanize(fixture_dir))
+                )
+            try:
+                objects = serializers.deserialize(
+                    ser_fmt,
+                    fixture,
+                    using=self.using,
+                    ignorenonexistent=self.ignore,
+                    handle_forward_references=True,
+                )
+
+                for obj in objects:
+                    objects_in_fixture += 1
+                    if self.save_obj(obj):
+                        loaded_objects_in_fixture += 1
+                        if show_progress:
+                            self.stdout.write(
+                                "\rProcessed %i object(s)." % loaded_objects_in_fixture,
+                                ending="",
+                            )
+            except Exception as e:
+                if not isinstance(e, CommandError):
+                    e.args = (
+                        "Problem installing fixture '%s': %s" % (fixture_file, e),
+                    )
+                raise
+            finally:
+                fixture.close()
+
+            if objects_in_fixture and show_progress:
+                self.stdout.write()  # Add a newline after progress indicator.
+            self.loaded_object_count += loaded_objects_in_fixture
+            self.fixture_object_count += objects_in_fixture
+            # Warn if the fixture we loaded contains 0 objects.
+            if objects_in_fixture == 0:
+                warnings.warn(
+                    "No fixture data found for '%s'. (File format may be "
+                    "invalid.)" % fixture_name,
+                    RuntimeWarning,
+                )
+
+    def get_fixture_name_and_dirs(self, fixture_name):
+        dirname, basename = os.path.split(fixture_name)
+        if os.path.isabs(fixture_name):
+            fixture_dirs = [dirname]
+        else:
+            fixture_dirs = self.fixture_dirs
+            if os.path.sep in os.path.normpath(fixture_name):
+                fixture_dirs = [os.path.join(dir_, dirname) for dir_ in fixture_dirs]
+        return basename, fixture_dirs
+
+    def get_targets(self, fixture_name, ser_fmt, cmp_fmt):
+        databases = [self.using, None]
+        cmp_fmts = self.compression_formats if cmp_fmt is None else [cmp_fmt]
+        ser_fmts = self.serialization_formats if ser_fmt is None else [ser_fmt]
+        return {
+            "%s.%s"
+            % (
+                fixture_name,
+                ".".join([ext for ext in combo if ext]),
+            )
+            for combo in product(databases, ser_fmts, cmp_fmts)
+        }
+
+    def find_fixture_files_in_dir(self, fixture_dir, fixture_name, targets):
+        fixture_files_in_dir = []
+        path = os.path.join(fixture_dir, fixture_name)
+        for candidate in glob.iglob(glob.escape(path) + "*"):
+            if os.path.basename(candidate) in targets:
+                # Save the fixture_dir and fixture_name for future error
+                # messages.
+                fixture_files_in_dir.append((candidate, fixture_dir, fixture_name))
+        return fixture_files_in_dir
+
+    @functools.cache
+    def find_fixtures(self, fixture_label):
+        """Find fixture files for a given label."""
+        if fixture_label == READ_STDIN:
+            return [(READ_STDIN, None, READ_STDIN)]
+
+        fixture_name, ser_fmt, cmp_fmt = self.parse_name(fixture_label)
+        if self.verbosity >= 2:
+            self.stdout.write("Loading '%s' fixtures..." % fixture_name)
+
+        fixture_name, fixture_dirs = self.get_fixture_name_and_dirs(fixture_name)
+        targets = self.get_targets(fixture_name, ser_fmt, cmp_fmt)
+        fixture_files = []
+        for fixture_dir in fixture_dirs:
+            if self.verbosity >= 2:
+                self.stdout.write("Checking %s for fixtures..." % humanize(fixture_dir))
+            fixture_files_in_dir = self.find_fixture_files_in_dir(
+                fixture_dir,
+                fixture_name,
+                targets,
+            )
+            if self.verbosity >= 2 and not fixture_files_in_dir:
+                self.stdout.write(
+                    "No fixture '%s' in %s." % (fixture_name, humanize(fixture_dir))
+                )
+
+            # Check kept for backwards-compatibility; it isn't clear why
+            # duplicates are only allowed in different directories.
+            if len(fixture_files_in_dir) > 1:
+                raise CommandError(
+                    "Multiple fixtures named '%s' in %s. Aborting."
+                    % (fixture_name, humanize(fixture_dir))
+                )
+            fixture_files.extend(fixture_files_in_dir)
+
+        if not fixture_files:
+            raise CommandError("No fixture named '%s' found." % fixture_name)
+
+        return fixture_files
+
+    @cached_property
+    def fixture_dirs(self):
+        """
+        Return a list of fixture directories.
+
+        The list contains the 'fixtures' subdirectory of each installed
+        application, if it exists, the directories in FIXTURE_DIRS, and the
+        current directory.
+        """
+        dirs = []
+        fixture_dirs = settings.FIXTURE_DIRS
+        if len(fixture_dirs) != len(set(fixture_dirs)):
+            raise ImproperlyConfigured("settings.FIXTURE_DIRS contains duplicates.")
+        for app_config in apps.get_app_configs():
+            app_label = app_config.label
+            app_dir = os.path.join(app_config.path, "fixtures")
+            if app_dir in [str(d) for d in fixture_dirs]:
+                raise ImproperlyConfigured(
+                    "'%s' is a default fixture directory for the '%s' app "
+                    "and cannot be listed in settings.FIXTURE_DIRS."
+                    % (app_dir, app_label)
+                )
+
+            if self.app_label and app_label != self.app_label:
+                continue
+            if os.path.isdir(app_dir):
+                dirs.append(app_dir)
+        dirs.extend(fixture_dirs)
+        dirs.append("")
+        return [os.path.realpath(d) for d in dirs]
+
+    def parse_name(self, fixture_name):
+        """
+        Split fixture name in name, serialization format, compression format.
+        """
+        if fixture_name == READ_STDIN:
+            if not self.format:
+                raise CommandError(
+                    "--format must be specified when reading from stdin."
+                )
+            return READ_STDIN, self.format, "stdin"
+
+        parts = fixture_name.rsplit(".", 2)
+
+        if len(parts) > 1 and parts[-1] in self.compression_formats:
+            cmp_fmt = parts[-1]
+            parts = parts[:-1]
+        else:
+            cmp_fmt = None
+
+        if len(parts) > 1:
+            if parts[-1] in self.serialization_formats:
+                ser_fmt = parts[-1]
+                parts = parts[:-1]
+            else:
+                raise CommandError(
+                    "Problem installing fixture '%s': %s is not a known "
+                    "serialization format." % (".".join(parts[:-1]), parts[-1])
+                )
+        else:
+            ser_fmt = None
+
+        name = ".".join(parts)
+
+        return name, ser_fmt, cmp_fmt
+
+
+class SingleZipReader(zipfile.ZipFile):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if len(self.namelist()) != 1:
+            raise ValueError("Zip-compressed fixtures must contain one file.")
+
+    def read(self):
+        return zipfile.ZipFile.read(self, self.namelist()[0])
+
+
+def humanize(dirname):
+    return "'%s'" % dirname if dirname else "absolute path"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/makemessages.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/makemessages.py
new file mode 100644
index 00000000..dc3d4026
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/makemessages.py
@@ -0,0 +1,784 @@
+import glob
+import os
+import re
+import sys
+from functools import total_ordering
+from itertools import dropwhile
+from pathlib import Path
+
+import django
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.core.files.temp import NamedTemporaryFile
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.utils import (
+    find_command,
+    handle_extensions,
+    is_ignored_path,
+    popen_wrapper,
+)
+from django.utils.encoding import DEFAULT_LOCALE_ENCODING
+from django.utils.functional import cached_property
+from django.utils.jslex import prepare_js_for_gettext
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.text import get_text_list
+from django.utils.translation import templatize
+
+plural_forms_re = _lazy_re_compile(
+    r'^(?P<value>"Plural-Forms.+?\\n")\s*$', re.MULTILINE | re.DOTALL
+)
+STATUS_OK = 0
+NO_LOCALE_DIR = object()
+
+
+def check_programs(*programs):
+    for program in programs:
+        if find_command(program) is None:
+            raise CommandError(
+                "Can't find %s. Make sure you have GNU gettext tools 0.15 or "
+                "newer installed." % program
+            )
+
+
+def is_valid_locale(locale):
+    return re.match(r"^[a-z]+$", locale) or re.match(r"^[a-z]+_[A-Z].*$", locale)
+
+
+@total_ordering
+class TranslatableFile:
+    def __init__(self, dirpath, file_name, locale_dir):
+        self.file = file_name
+        self.dirpath = dirpath
+        self.locale_dir = locale_dir
+
+    def __repr__(self):
+        return "<%s: %s>" % (
+            self.__class__.__name__,
+            os.sep.join([self.dirpath, self.file]),
+        )
+
+    def __eq__(self, other):
+        return self.path == other.path
+
+    def __lt__(self, other):
+        return self.path < other.path
+
+    @property
+    def path(self):
+        return os.path.join(self.dirpath, self.file)
+
+
+class BuildFile:
+    """
+    Represent the state of a translatable file during the build process.
+    """
+
+    def __init__(self, command, domain, translatable):
+        self.command = command
+        self.domain = domain
+        self.translatable = translatable
+
+    @cached_property
+    def is_templatized(self):
+        if self.domain == "djangojs":
+            return self.command.gettext_version < (0, 18, 3)
+        elif self.domain == "django":
+            file_ext = os.path.splitext(self.translatable.file)[1]
+            return file_ext != ".py"
+        return False
+
+    @cached_property
+    def path(self):
+        return self.translatable.path
+
+    @cached_property
+    def work_path(self):
+        """
+        Path to a file which is being fed into GNU gettext pipeline. This may
+        be either a translatable or its preprocessed version.
+        """
+        if not self.is_templatized:
+            return self.path
+        extension = {
+            "djangojs": "c",
+            "django": "py",
+        }.get(self.domain)
+        filename = "%s.%s" % (self.translatable.file, extension)
+        return os.path.join(self.translatable.dirpath, filename)
+
+    def preprocess(self):
+        """
+        Preprocess (if necessary) a translatable file before passing it to
+        xgettext GNU gettext utility.
+        """
+        if not self.is_templatized:
+            return
+
+        with open(self.path, encoding="utf-8") as fp:
+            src_data = fp.read()
+
+        if self.domain == "djangojs":
+            content = prepare_js_for_gettext(src_data)
+        elif self.domain == "django":
+            content = templatize(src_data, origin=self.path[2:])
+
+        with open(self.work_path, "w", encoding="utf-8") as fp:
+            fp.write(content)
+
+    def postprocess_messages(self, msgs):
+        """
+        Postprocess messages generated by xgettext GNU gettext utility.
+
+        Transform paths as if these messages were generated from original
+        translatable files rather than from preprocessed versions.
+        """
+        if not self.is_templatized:
+            return msgs
+
+        # Remove '.py' suffix
+        if os.name == "nt":
+            # Preserve '.\' prefix on Windows to respect gettext behavior
+            old_path = self.work_path
+            new_path = self.path
+        else:
+            old_path = self.work_path[2:]
+            new_path = self.path[2:]
+
+        return re.sub(
+            r"^(#: .*)(" + re.escape(old_path) + r")",
+            lambda match: match[0].replace(old_path, new_path),
+            msgs,
+            flags=re.MULTILINE,
+        )
+
+    def cleanup(self):
+        """
+        Remove a preprocessed copy of a translatable file (if any).
+        """
+        if self.is_templatized:
+            # This check is needed for the case of a symlinked file and its
+            # source being processed inside a single group (locale dir);
+            # removing either of those two removes both.
+            if os.path.exists(self.work_path):
+                os.unlink(self.work_path)
+
+
+def normalize_eols(raw_contents):
+    """
+    Take a block of raw text that will be passed through str.splitlines() to
+    get universal newlines treatment.
+
+    Return the resulting block of text with normalized `\n` EOL sequences ready
+    to be written to disk using current platform's native EOLs.
+    """
+    lines_list = raw_contents.splitlines()
+    # Ensure last line has its EOL
+    if lines_list and lines_list[-1]:
+        lines_list.append("")
+    return "\n".join(lines_list)
+
+
+def write_pot_file(potfile, msgs):
+    """
+    Write the `potfile` with the `msgs` contents, making sure its format is
+    valid.
+    """
+    pot_lines = msgs.splitlines()
+    if os.path.exists(potfile):
+        # Strip the header
+        lines = dropwhile(len, pot_lines)
+    else:
+        lines = []
+        found, header_read = False, False
+        for line in pot_lines:
+            if not found and not header_read:
+                if "charset=CHARSET" in line:
+                    found = True
+                    line = line.replace("charset=CHARSET", "charset=UTF-8")
+            if not line and not found:
+                header_read = True
+            lines.append(line)
+    msgs = "\n".join(lines)
+    # Force newlines of POT files to '\n' to work around
+    # https://savannah.gnu.org/bugs/index.php?52395
+    with open(potfile, "a", encoding="utf-8", newline="\n") as fp:
+        fp.write(msgs)
+
+
+class Command(BaseCommand):
+    help = (
+        "Runs over the entire source tree of the current directory and pulls out all "
+        "strings marked for translation. It creates (or updates) a message file in the "
+        "conf/locale (in the django tree) or locale (for projects and applications) "
+        "directory.\n\nYou must run this command with one of either the --locale, "
+        "--exclude, or --all options."
+    )
+
+    translatable_file_class = TranslatableFile
+    build_file_class = BuildFile
+
+    requires_system_checks = []
+
+    msgmerge_options = ["-q", "--backup=none", "--previous", "--update"]
+    msguniq_options = ["--to-code=utf-8"]
+    msgattrib_options = ["--no-obsolete"]
+    xgettext_options = ["--from-code=UTF-8", "--add-comments=Translators"]
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--locale",
+            "-l",
+            default=[],
+            action="append",
+            help=(
+                "Creates or updates the message files for the given locale(s) (e.g. "
+                "pt_BR). Can be used multiple times."
+            ),
+        )
+        parser.add_argument(
+            "--exclude",
+            "-x",
+            default=[],
+            action="append",
+            help="Locales to exclude. Default is none. Can be used multiple times.",
+        )
+        parser.add_argument(
+            "--domain",
+            "-d",
+            default="django",
+            help='The domain of the message files (default: "django").',
+        )
+        parser.add_argument(
+            "--all",
+            "-a",
+            action="store_true",
+            help="Updates the message files for all existing locales.",
+        )
+        parser.add_argument(
+            "--extension",
+            "-e",
+            dest="extensions",
+            action="append",
+            help='The file extension(s) to examine (default: "html,txt,py", or "js" '
+            'if the domain is "djangojs"). Separate multiple extensions with '
+            "commas, or use -e multiple times.",
+        )
+        parser.add_argument(
+            "--symlinks",
+            "-s",
+            action="store_true",
+            help="Follows symlinks to directories when examining source code "
+            "and templates for translation strings.",
+        )
+        parser.add_argument(
+            "--ignore",
+            "-i",
+            action="append",
+            dest="ignore_patterns",
+            default=[],
+            metavar="PATTERN",
+            help="Ignore files or directories matching this glob-style pattern. "
+            "Use multiple times to ignore more.",
+        )
+        parser.add_argument(
+            "--no-default-ignore",
+            action="store_false",
+            dest="use_default_ignore_patterns",
+            help=(
+                "Don't ignore the common glob-style patterns 'CVS', '.*', '*~' and "
+                "'*.pyc'."
+            ),
+        )
+        parser.add_argument(
+            "--no-wrap",
+            action="store_true",
+            help="Don't break long message lines into several lines.",
+        )
+        parser.add_argument(
+            "--no-location",
+            action="store_true",
+            help="Don't write '#: filename:line' lines.",
+        )
+        parser.add_argument(
+            "--add-location",
+            choices=("full", "file", "never"),
+            const="full",
+            nargs="?",
+            help=(
+                "Controls '#: filename:line' lines. If the option is 'full' "
+                "(the default if not given), the lines  include both file name "
+                "and line number. If it's 'file', the line number is omitted. If "
+                "it's 'never', the lines are suppressed (same as --no-location). "
+                "--add-location requires gettext 0.19 or newer."
+            ),
+        )
+        parser.add_argument(
+            "--no-obsolete",
+            action="store_true",
+            help="Remove obsolete message strings.",
+        )
+        parser.add_argument(
+            "--keep-pot",
+            action="store_true",
+            help="Keep .pot file after making messages. Useful when debugging.",
+        )
+
+    def handle(self, *args, **options):
+        locale = options["locale"]
+        exclude = options["exclude"]
+        self.domain = options["domain"]
+        self.verbosity = options["verbosity"]
+        process_all = options["all"]
+        extensions = options["extensions"]
+        self.symlinks = options["symlinks"]
+
+        ignore_patterns = options["ignore_patterns"]
+        if options["use_default_ignore_patterns"]:
+            ignore_patterns += ["CVS", ".*", "*~", "*.pyc"]
+        self.ignore_patterns = list(set(ignore_patterns))
+
+        # Avoid messing with mutable class variables
+        if options["no_wrap"]:
+            self.msgmerge_options = self.msgmerge_options[:] + ["--no-wrap"]
+            self.msguniq_options = self.msguniq_options[:] + ["--no-wrap"]
+            self.msgattrib_options = self.msgattrib_options[:] + ["--no-wrap"]
+            self.xgettext_options = self.xgettext_options[:] + ["--no-wrap"]
+        if options["no_location"]:
+            self.msgmerge_options = self.msgmerge_options[:] + ["--no-location"]
+            self.msguniq_options = self.msguniq_options[:] + ["--no-location"]
+            self.msgattrib_options = self.msgattrib_options[:] + ["--no-location"]
+            self.xgettext_options = self.xgettext_options[:] + ["--no-location"]
+        if options["add_location"]:
+            if self.gettext_version < (0, 19):
+                raise CommandError(
+                    "The --add-location option requires gettext 0.19 or later. "
+                    "You have %s." % ".".join(str(x) for x in self.gettext_version)
+                )
+            arg_add_location = "--add-location=%s" % options["add_location"]
+            self.msgmerge_options = self.msgmerge_options[:] + [arg_add_location]
+            self.msguniq_options = self.msguniq_options[:] + [arg_add_location]
+            self.msgattrib_options = self.msgattrib_options[:] + [arg_add_location]
+            self.xgettext_options = self.xgettext_options[:] + [arg_add_location]
+
+        self.no_obsolete = options["no_obsolete"]
+        self.keep_pot = options["keep_pot"]
+
+        if self.domain not in ("django", "djangojs"):
+            raise CommandError(
+                "currently makemessages only supports domains "
+                "'django' and 'djangojs'"
+            )
+        if self.domain == "djangojs":
+            exts = extensions or ["js"]
+        else:
+            exts = extensions or ["html", "txt", "py"]
+        self.extensions = handle_extensions(exts)
+
+        if (not locale and not exclude and not process_all) or self.domain is None:
+            raise CommandError(
+                "Type '%s help %s' for usage information."
+                % (os.path.basename(sys.argv[0]), sys.argv[1])
+            )
+
+        if self.verbosity > 1:
+            self.stdout.write(
+                "examining files with the extensions: %s"
+                % get_text_list(list(self.extensions), "and")
+            )
+
+        self.invoked_for_django = False
+        self.locale_paths = []
+        self.default_locale_path = None
+        if os.path.isdir(os.path.join("conf", "locale")):
+            self.locale_paths = [os.path.abspath(os.path.join("conf", "locale"))]
+            self.default_locale_path = self.locale_paths[0]
+            self.ignore_patterns.append("views/templates/i18n_catalog.js")
+            self.invoked_for_django = True
+        else:
+            if self.settings_available:
+                self.locale_paths.extend(settings.LOCALE_PATHS)
+            # Allow to run makemessages inside an app dir
+            if os.path.isdir("locale"):
+                self.locale_paths.append(os.path.abspath("locale"))
+            if self.locale_paths:
+                self.default_locale_path = self.locale_paths[0]
+                os.makedirs(self.default_locale_path, exist_ok=True)
+
+        # Build locale list
+        looks_like_locale = re.compile(r"[a-z]{2}")
+        locale_dirs = filter(
+            os.path.isdir, glob.glob("%s/*" % self.default_locale_path)
+        )
+        all_locales = [
+            lang_code
+            for lang_code in map(os.path.basename, locale_dirs)
+            if looks_like_locale.match(lang_code)
+        ]
+
+        # Account for excluded locales
+        if process_all:
+            locales = all_locales
+        else:
+            locales = locale or all_locales
+            locales = set(locales).difference(exclude)
+
+        if locales:
+            check_programs("msguniq", "msgmerge", "msgattrib")
+
+        check_programs("xgettext")
+
+        try:
+            potfiles = self.build_potfiles()
+
+            # Build po files for each selected locale
+            for locale in locales:
+                if not is_valid_locale(locale):
+                    # Try to guess what valid locale it could be
+                    # Valid examples are: en_GB, shi_Latn_MA and nl_NL-x-informal
+
+                    # Search for characters followed by a non character (i.e. separator)
+                    match = re.match(
+                        r"^(?P<language>[a-zA-Z]+)"
+                        r"(?P<separator>[^a-zA-Z])"
+                        r"(?P<territory>.+)$",
+                        locale,
+                    )
+                    if match:
+                        locale_parts = match.groupdict()
+                        language = locale_parts["language"].lower()
+                        territory = (
+                            locale_parts["territory"][:2].upper()
+                            + locale_parts["territory"][2:]
+                        )
+                        proposed_locale = f"{language}_{territory}"
+                    else:
+                        # It could be a language in uppercase
+                        proposed_locale = locale.lower()
+
+                    # Recheck if the proposed locale is valid
+                    if is_valid_locale(proposed_locale):
+                        self.stdout.write(
+                            "invalid locale %s, did you mean %s?"
+                            % (
+                                locale,
+                                proposed_locale,
+                            ),
+                        )
+                    else:
+                        self.stdout.write("invalid locale %s" % locale)
+
+                    continue
+                if self.verbosity > 0:
+                    self.stdout.write("processing locale %s" % locale)
+                for potfile in potfiles:
+                    self.write_po_file(potfile, locale)
+        finally:
+            if not self.keep_pot:
+                self.remove_potfiles()
+
+    @cached_property
+    def gettext_version(self):
+        # Gettext tools will output system-encoded bytestrings instead of UTF-8,
+        # when looking up the version. It's especially a problem on Windows.
+        out, err, status = popen_wrapper(
+            ["xgettext", "--version"],
+            stdout_encoding=DEFAULT_LOCALE_ENCODING,
+        )
+        m = re.search(r"(\d+)\.(\d+)\.?(\d+)?", out)
+        if m:
+            return tuple(int(d) for d in m.groups() if d is not None)
+        else:
+            raise CommandError("Unable to get gettext version. Is it installed?")
+
+    @cached_property
+    def settings_available(self):
+        try:
+            settings.LOCALE_PATHS
+        except ImproperlyConfigured:
+            if self.verbosity > 1:
+                self.stderr.write("Running without configured settings.")
+            return False
+        return True
+
+    def build_potfiles(self):
+        """
+        Build pot files and apply msguniq to them.
+        """
+        file_list = self.find_files(".")
+        self.remove_potfiles()
+        self.process_files(file_list)
+        potfiles = []
+        for path in self.locale_paths:
+            potfile = os.path.join(path, "%s.pot" % self.domain)
+            if not os.path.exists(potfile):
+                continue
+            args = ["msguniq"] + self.msguniq_options + [potfile]
+            msgs, errors, status = popen_wrapper(args)
+            if errors:
+                if status != STATUS_OK:
+                    raise CommandError(
+                        "errors happened while running msguniq\n%s" % errors
+                    )
+                elif self.verbosity > 0:
+                    self.stdout.write(errors)
+            msgs = normalize_eols(msgs)
+            with open(potfile, "w", encoding="utf-8") as fp:
+                fp.write(msgs)
+            potfiles.append(potfile)
+        return potfiles
+
+    def remove_potfiles(self):
+        for path in self.locale_paths:
+            pot_path = os.path.join(path, "%s.pot" % self.domain)
+            if os.path.exists(pot_path):
+                os.unlink(pot_path)
+
+    def find_files(self, root):
+        """
+        Get all files in the given root. Also check that there is a matching
+        locale dir for each file.
+        """
+        all_files = []
+        ignored_roots = []
+        if self.settings_available:
+            ignored_roots = [
+                os.path.normpath(p)
+                for p in (settings.MEDIA_ROOT, settings.STATIC_ROOT)
+                if p
+            ]
+        for dirpath, dirnames, filenames in os.walk(
+            root, topdown=True, followlinks=self.symlinks
+        ):
+            for dirname in dirnames[:]:
+                if (
+                    is_ignored_path(
+                        os.path.normpath(os.path.join(dirpath, dirname)),
+                        self.ignore_patterns,
+                    )
+                    or os.path.join(os.path.abspath(dirpath), dirname) in ignored_roots
+                ):
+                    dirnames.remove(dirname)
+                    if self.verbosity > 1:
+                        self.stdout.write("ignoring directory %s" % dirname)
+                elif dirname == "locale":
+                    dirnames.remove(dirname)
+                    self.locale_paths.insert(
+                        0, os.path.join(os.path.abspath(dirpath), dirname)
+                    )
+            for filename in filenames:
+                file_path = os.path.normpath(os.path.join(dirpath, filename))
+                file_ext = os.path.splitext(filename)[1]
+                if file_ext not in self.extensions or is_ignored_path(
+                    file_path, self.ignore_patterns
+                ):
+                    if self.verbosity > 1:
+                        self.stdout.write(
+                            "ignoring file %s in %s" % (filename, dirpath)
+                        )
+                else:
+                    locale_dir = None
+                    for path in self.locale_paths:
+                        if os.path.abspath(dirpath).startswith(os.path.dirname(path)):
+                            locale_dir = path
+                            break
+                    locale_dir = locale_dir or self.default_locale_path or NO_LOCALE_DIR
+                    all_files.append(
+                        self.translatable_file_class(dirpath, filename, locale_dir)
+                    )
+        return sorted(all_files)
+
+    def process_files(self, file_list):
+        """
+        Group translatable files by locale directory and run pot file build
+        process for each group.
+        """
+        file_groups = {}
+        for translatable in file_list:
+            file_group = file_groups.setdefault(translatable.locale_dir, [])
+            file_group.append(translatable)
+        for locale_dir, files in file_groups.items():
+            self.process_locale_dir(locale_dir, files)
+
+    def process_locale_dir(self, locale_dir, files):
+        """
+        Extract translatable literals from the specified files, creating or
+        updating the POT file for a given locale directory.
+
+        Use the xgettext GNU gettext utility.
+        """
+        build_files = []
+        for translatable in files:
+            if self.verbosity > 1:
+                self.stdout.write(
+                    "processing file %s in %s"
+                    % (translatable.file, translatable.dirpath)
+                )
+            if self.domain not in ("djangojs", "django"):
+                continue
+            build_file = self.build_file_class(self, self.domain, translatable)
+            try:
+                build_file.preprocess()
+            except UnicodeDecodeError as e:
+                self.stdout.write(
+                    "UnicodeDecodeError: skipped file %s in %s (reason: %s)"
+                    % (
+                        translatable.file,
+                        translatable.dirpath,
+                        e,
+                    )
+                )
+                continue
+            except BaseException:
+                # Cleanup before exit.
+                for build_file in build_files:
+                    build_file.cleanup()
+                raise
+            build_files.append(build_file)
+
+        if self.domain == "djangojs":
+            is_templatized = build_file.is_templatized
+            args = [
+                "xgettext",
+                "-d",
+                self.domain,
+                "--language=%s" % ("C" if is_templatized else "JavaScript",),
+                "--keyword=gettext_noop",
+                "--keyword=gettext_lazy",
+                "--keyword=ngettext_lazy:1,2",
+                "--keyword=pgettext:1c,2",
+                "--keyword=npgettext:1c,2,3",
+                "--output=-",
+            ]
+        elif self.domain == "django":
+            args = [
+                "xgettext",
+                "-d",
+                self.domain,
+                "--language=Python",
+                "--keyword=gettext_noop",
+                "--keyword=gettext_lazy",
+                "--keyword=ngettext_lazy:1,2",
+                "--keyword=pgettext:1c,2",
+                "--keyword=npgettext:1c,2,3",
+                "--keyword=pgettext_lazy:1c,2",
+                "--keyword=npgettext_lazy:1c,2,3",
+                "--output=-",
+            ]
+        else:
+            return
+
+        input_files = [bf.work_path for bf in build_files]
+        with NamedTemporaryFile(mode="w+") as input_files_list:
+            input_files_list.write("\n".join(input_files))
+            input_files_list.flush()
+            args.extend(["--files-from", input_files_list.name])
+            args.extend(self.xgettext_options)
+            msgs, errors, status = popen_wrapper(args)
+
+        if errors:
+            if status != STATUS_OK:
+                for build_file in build_files:
+                    build_file.cleanup()
+                raise CommandError(
+                    "errors happened while running xgettext on %s\n%s"
+                    % ("\n".join(input_files), errors)
+                )
+            elif self.verbosity > 0:
+                # Print warnings
+                self.stdout.write(errors)
+
+        if msgs:
+            if locale_dir is NO_LOCALE_DIR:
+                for build_file in build_files:
+                    build_file.cleanup()
+                file_path = os.path.normpath(build_files[0].path)
+                raise CommandError(
+                    "Unable to find a locale path to store translations for "
+                    "file %s. Make sure the 'locale' directory exists in an "
+                    "app or LOCALE_PATHS setting is set." % file_path
+                )
+            for build_file in build_files:
+                msgs = build_file.postprocess_messages(msgs)
+            potfile = os.path.join(locale_dir, "%s.pot" % self.domain)
+            write_pot_file(potfile, msgs)
+
+        for build_file in build_files:
+            build_file.cleanup()
+
+    def write_po_file(self, potfile, locale):
+        """
+        Create or update the PO file for self.domain and `locale`.
+        Use contents of the existing `potfile`.
+
+        Use msgmerge and msgattrib GNU gettext utilities.
+        """
+        basedir = os.path.join(os.path.dirname(potfile), locale, "LC_MESSAGES")
+        os.makedirs(basedir, exist_ok=True)
+        pofile = os.path.join(basedir, "%s.po" % self.domain)
+
+        if os.path.exists(pofile):
+            args = ["msgmerge"] + self.msgmerge_options + [pofile, potfile]
+            _, errors, status = popen_wrapper(args)
+            if errors:
+                if status != STATUS_OK:
+                    raise CommandError(
+                        "errors happened while running msgmerge\n%s" % errors
+                    )
+                elif self.verbosity > 0:
+                    self.stdout.write(errors)
+            msgs = Path(pofile).read_text(encoding="utf-8")
+        else:
+            with open(potfile, encoding="utf-8") as fp:
+                msgs = fp.read()
+            if not self.invoked_for_django:
+                msgs = self.copy_plural_forms(msgs, locale)
+        msgs = normalize_eols(msgs)
+        msgs = msgs.replace(
+            "#. #-#-#-#-#  %s.pot (PACKAGE VERSION)  #-#-#-#-#\n" % self.domain, ""
+        )
+        with open(pofile, "w", encoding="utf-8") as fp:
+            fp.write(msgs)
+
+        if self.no_obsolete:
+            args = ["msgattrib"] + self.msgattrib_options + ["-o", pofile, pofile]
+            msgs, errors, status = popen_wrapper(args)
+            if errors:
+                if status != STATUS_OK:
+                    raise CommandError(
+                        "errors happened while running msgattrib\n%s" % errors
+                    )
+                elif self.verbosity > 0:
+                    self.stdout.write(errors)
+
+    def copy_plural_forms(self, msgs, locale):
+        """
+        Copy plural forms header contents from a Django catalog of locale to
+        the msgs string, inserting it at the right place. msgs should be the
+        contents of a newly created .po file.
+        """
+        django_dir = os.path.normpath(os.path.join(os.path.dirname(django.__file__)))
+        if self.domain == "djangojs":
+            domains = ("djangojs", "django")
+        else:
+            domains = ("django",)
+        for domain in domains:
+            django_po = os.path.join(
+                django_dir, "conf", "locale", locale, "LC_MESSAGES", "%s.po" % domain
+            )
+            if os.path.exists(django_po):
+                with open(django_po, encoding="utf-8") as fp:
+                    m = plural_forms_re.search(fp.read())
+                if m:
+                    plural_form_line = m["value"]
+                    if self.verbosity > 1:
+                        self.stdout.write("copying plural forms: %s" % plural_form_line)
+                    lines = []
+                    found = False
+                    for line in msgs.splitlines():
+                        if not found and (not line or plural_forms_re.search(line)):
+                            line = plural_form_line
+                            found = True
+                        lines.append(line)
+                    msgs = "\n".join(lines)
+                    break
+        return msgs
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/makemigrations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/makemigrations.py
new file mode 100644
index 00000000..22498af3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/makemigrations.py
@@ -0,0 +1,515 @@
+import os
+import sys
+import warnings
+from itertools import takewhile
+
+from django.apps import apps
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError, no_translations
+from django.core.management.utils import run_formatters
+from django.db import DEFAULT_DB_ALIAS, OperationalError, connections, router
+from django.db.migrations import Migration
+from django.db.migrations.autodetector import MigrationAutodetector
+from django.db.migrations.loader import MigrationLoader
+from django.db.migrations.migration import SwappableTuple
+from django.db.migrations.optimizer import MigrationOptimizer
+from django.db.migrations.questioner import (
+    InteractiveMigrationQuestioner,
+    MigrationQuestioner,
+    NonInteractiveMigrationQuestioner,
+)
+from django.db.migrations.state import ProjectState
+from django.db.migrations.utils import get_migration_name_timestamp
+from django.db.migrations.writer import MigrationWriter
+
+
+class Command(BaseCommand):
+    help = "Creates new migration(s) for apps."
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "args",
+            metavar="app_label",
+            nargs="*",
+            help="Specify the app label(s) to create migrations for.",
+        )
+        parser.add_argument(
+            "--dry-run",
+            action="store_true",
+            help="Just show what migrations would be made; don't actually write them.",
+        )
+        parser.add_argument(
+            "--merge",
+            action="store_true",
+            help="Enable fixing of migration conflicts.",
+        )
+        parser.add_argument(
+            "--empty",
+            action="store_true",
+            help="Create an empty migration.",
+        )
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Tells Django to NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "-n",
+            "--name",
+            help="Use this name for migration file(s).",
+        )
+        parser.add_argument(
+            "--no-header",
+            action="store_false",
+            dest="include_header",
+            help="Do not add header comments to new migration file(s).",
+        )
+        parser.add_argument(
+            "--check",
+            action="store_true",
+            dest="check_changes",
+            help=(
+                "Exit with a non-zero status if model changes are missing migrations "
+                "and don't actually write them. Implies --dry-run."
+            ),
+        )
+        parser.add_argument(
+            "--scriptable",
+            action="store_true",
+            dest="scriptable",
+            help=(
+                "Divert log output and input prompts to stderr, writing only "
+                "paths of generated migration files to stdout."
+            ),
+        )
+        parser.add_argument(
+            "--update",
+            action="store_true",
+            dest="update",
+            help=(
+                "Merge model changes into the latest migration and optimize the "
+                "resulting operations."
+            ),
+        )
+
+    @property
+    def log_output(self):
+        return self.stderr if self.scriptable else self.stdout
+
+    def log(self, msg):
+        self.log_output.write(msg)
+
+    @no_translations
+    def handle(self, *app_labels, **options):
+        self.written_files = []
+        self.verbosity = options["verbosity"]
+        self.interactive = options["interactive"]
+        self.dry_run = options["dry_run"]
+        self.merge = options["merge"]
+        self.empty = options["empty"]
+        self.migration_name = options["name"]
+        if self.migration_name and not self.migration_name.isidentifier():
+            raise CommandError("The migration name must be a valid Python identifier.")
+        self.include_header = options["include_header"]
+        check_changes = options["check_changes"]
+        if check_changes:
+            self.dry_run = True
+        self.scriptable = options["scriptable"]
+        self.update = options["update"]
+        # If logs and prompts are diverted to stderr, remove the ERROR style.
+        if self.scriptable:
+            self.stderr.style_func = None
+
+        # Make sure the app they asked for exists
+        app_labels = set(app_labels)
+        has_bad_labels = False
+        for app_label in app_labels:
+            try:
+                apps.get_app_config(app_label)
+            except LookupError as err:
+                self.stderr.write(str(err))
+                has_bad_labels = True
+        if has_bad_labels:
+            sys.exit(2)
+
+        # Load the current graph state. Pass in None for the connection so
+        # the loader doesn't try to resolve replaced migrations from DB.
+        loader = MigrationLoader(None, ignore_no_migrations=True)
+
+        # Raise an error if any migrations are applied before their dependencies.
+        consistency_check_labels = {config.label for config in apps.get_app_configs()}
+        # Non-default databases are only checked if database routers used.
+        aliases_to_check = (
+            connections if settings.DATABASE_ROUTERS else [DEFAULT_DB_ALIAS]
+        )
+        for alias in sorted(aliases_to_check):
+            connection = connections[alias]
+            if connection.settings_dict["ENGINE"] != "django.db.backends.dummy" and any(
+                # At least one model must be migrated to the database.
+                router.allow_migrate(
+                    connection.alias, app_label, model_name=model._meta.object_name
+                )
+                for app_label in consistency_check_labels
+                for model in apps.get_app_config(app_label).get_models()
+            ):
+                try:
+                    loader.check_consistent_history(connection)
+                except OperationalError as error:
+                    warnings.warn(
+                        "Got an error checking a consistent migration history "
+                        "performed for database connection '%s': %s" % (alias, error),
+                        RuntimeWarning,
+                    )
+        # Before anything else, see if there's conflicting apps and drop out
+        # hard if there are any and they don't want to merge
+        conflicts = loader.detect_conflicts()
+
+        # If app_labels is specified, filter out conflicting migrations for
+        # unspecified apps.
+        if app_labels:
+            conflicts = {
+                app_label: conflict
+                for app_label, conflict in conflicts.items()
+                if app_label in app_labels
+            }
+
+        if conflicts and not self.merge:
+            name_str = "; ".join(
+                "%s in %s" % (", ".join(names), app) for app, names in conflicts.items()
+            )
+            raise CommandError(
+                "Conflicting migrations detected; multiple leaf nodes in the "
+                "migration graph: (%s).\nTo fix them run "
+                "'python manage.py makemigrations --merge'" % name_str
+            )
+
+        # If they want to merge and there's nothing to merge, then politely exit
+        if self.merge and not conflicts:
+            self.log("No conflicts detected to merge.")
+            return
+
+        # If they want to merge and there is something to merge, then
+        # divert into the merge code
+        if self.merge and conflicts:
+            return self.handle_merge(loader, conflicts)
+
+        if self.interactive:
+            questioner = InteractiveMigrationQuestioner(
+                specified_apps=app_labels,
+                dry_run=self.dry_run,
+                prompt_output=self.log_output,
+            )
+        else:
+            questioner = NonInteractiveMigrationQuestioner(
+                specified_apps=app_labels,
+                dry_run=self.dry_run,
+                verbosity=self.verbosity,
+                log=self.log,
+            )
+        # Set up autodetector
+        autodetector = MigrationAutodetector(
+            loader.project_state(),
+            ProjectState.from_apps(apps),
+            questioner,
+        )
+
+        # If they want to make an empty migration, make one for each app
+        if self.empty:
+            if not app_labels:
+                raise CommandError(
+                    "You must supply at least one app label when using --empty."
+                )
+            # Make a fake changes() result we can pass to arrange_for_graph
+            changes = {app: [Migration("custom", app)] for app in app_labels}
+            changes = autodetector.arrange_for_graph(
+                changes=changes,
+                graph=loader.graph,
+                migration_name=self.migration_name,
+            )
+            self.write_migration_files(changes)
+            return
+
+        # Detect changes
+        changes = autodetector.changes(
+            graph=loader.graph,
+            trim_to_apps=app_labels or None,
+            convert_apps=app_labels or None,
+            migration_name=self.migration_name,
+        )
+
+        if not changes:
+            # No changes? Tell them.
+            if self.verbosity >= 1:
+                if app_labels:
+                    if len(app_labels) == 1:
+                        self.log("No changes detected in app '%s'" % app_labels.pop())
+                    else:
+                        self.log(
+                            "No changes detected in apps '%s'"
+                            % ("', '".join(app_labels))
+                        )
+                else:
+                    self.log("No changes detected")
+        else:
+            if self.update:
+                self.write_to_last_migration_files(changes)
+            else:
+                self.write_migration_files(changes)
+            if check_changes:
+                sys.exit(1)
+
+    def write_to_last_migration_files(self, changes):
+        loader = MigrationLoader(connections[DEFAULT_DB_ALIAS])
+        new_changes = {}
+        update_previous_migration_paths = {}
+        for app_label, app_migrations in changes.items():
+            # Find last migration.
+            leaf_migration_nodes = loader.graph.leaf_nodes(app=app_label)
+            if len(leaf_migration_nodes) == 0:
+                raise CommandError(
+                    f"App {app_label} has no migration, cannot update last migration."
+                )
+            leaf_migration_node = leaf_migration_nodes[0]
+            # Multiple leaf nodes have already been checked earlier in command.
+            leaf_migration = loader.graph.nodes[leaf_migration_node]
+            # Updated migration cannot be a squash migration, a dependency of
+            # another migration, and cannot be already applied.
+            if leaf_migration.replaces:
+                raise CommandError(
+                    f"Cannot update squash migration '{leaf_migration}'."
+                )
+            if leaf_migration_node in loader.applied_migrations:
+                raise CommandError(
+                    f"Cannot update applied migration '{leaf_migration}'."
+                )
+            depending_migrations = [
+                migration
+                for migration in loader.disk_migrations.values()
+                if leaf_migration_node in migration.dependencies
+            ]
+            if depending_migrations:
+                formatted_migrations = ", ".join(
+                    [f"'{migration}'" for migration in depending_migrations]
+                )
+                raise CommandError(
+                    f"Cannot update migration '{leaf_migration}' that migrations "
+                    f"{formatted_migrations} depend on."
+                )
+            # Build new migration.
+            for migration in app_migrations:
+                leaf_migration.operations.extend(migration.operations)
+
+                for dependency in migration.dependencies:
+                    if isinstance(dependency, SwappableTuple):
+                        if settings.AUTH_USER_MODEL == dependency.setting:
+                            leaf_migration.dependencies.append(
+                                ("__setting__", "AUTH_USER_MODEL")
+                            )
+                        else:
+                            leaf_migration.dependencies.append(dependency)
+                    elif dependency[0] != migration.app_label:
+                        leaf_migration.dependencies.append(dependency)
+            # Optimize migration.
+            optimizer = MigrationOptimizer()
+            leaf_migration.operations = optimizer.optimize(
+                leaf_migration.operations, app_label
+            )
+            # Update name.
+            previous_migration_path = MigrationWriter(leaf_migration).path
+            name_fragment = self.migration_name or leaf_migration.suggest_name()
+            suggested_name = leaf_migration.name[:4] + f"_{name_fragment}"
+            if leaf_migration.name == suggested_name:
+                new_name = leaf_migration.name + "_updated"
+            else:
+                new_name = suggested_name
+            leaf_migration.name = new_name
+            # Register overridden migration.
+            new_changes[app_label] = [leaf_migration]
+            update_previous_migration_paths[app_label] = previous_migration_path
+
+        self.write_migration_files(new_changes, update_previous_migration_paths)
+
+    def write_migration_files(self, changes, update_previous_migration_paths=None):
+        """
+        Take a changes dict and write them out as migration files.
+        """
+        directory_created = {}
+        for app_label, app_migrations in changes.items():
+            if self.verbosity >= 1:
+                self.log(self.style.MIGRATE_HEADING("Migrations for '%s':" % app_label))
+            for migration in app_migrations:
+                # Describe the migration
+                writer = MigrationWriter(migration, self.include_header)
+                if self.verbosity >= 1:
+                    # Display a relative path if it's below the current working
+                    # directory, or an absolute path otherwise.
+                    migration_string = self.get_relative_path(writer.path)
+                    self.log("  %s\n" % self.style.MIGRATE_LABEL(migration_string))
+                    for operation in migration.operations:
+                        self.log("    - %s" % operation.describe())
+                    if self.scriptable:
+                        self.stdout.write(migration_string)
+                if not self.dry_run:
+                    # Write the migrations file to the disk.
+                    migrations_directory = os.path.dirname(writer.path)
+                    if not directory_created.get(app_label):
+                        os.makedirs(migrations_directory, exist_ok=True)
+                        init_path = os.path.join(migrations_directory, "__init__.py")
+                        if not os.path.isfile(init_path):
+                            open(init_path, "w").close()
+                        # We just do this once per app
+                        directory_created[app_label] = True
+                    migration_string = writer.as_string()
+                    with open(writer.path, "w", encoding="utf-8") as fh:
+                        fh.write(migration_string)
+                        self.written_files.append(writer.path)
+                    if update_previous_migration_paths:
+                        prev_path = update_previous_migration_paths[app_label]
+                        rel_prev_path = self.get_relative_path(prev_path)
+                        if writer.needs_manual_porting:
+                            migration_path = self.get_relative_path(writer.path)
+                            self.log(
+                                self.style.WARNING(
+                                    f"Updated migration {migration_path} requires "
+                                    f"manual porting.\n"
+                                    f"Previous migration {rel_prev_path} was kept and "
+                                    f"must be deleted after porting functions manually."
+                                )
+                            )
+                        else:
+                            os.remove(prev_path)
+                            self.log(f"Deleted {rel_prev_path}")
+                elif self.verbosity == 3:
+                    # Alternatively, makemigrations --dry-run --verbosity 3
+                    # will log the migrations rather than saving the file to
+                    # the disk.
+                    self.log(
+                        self.style.MIGRATE_HEADING(
+                            "Full migrations file '%s':" % writer.filename
+                        )
+                    )
+                    self.log(writer.as_string())
+        run_formatters(self.written_files)
+
+    @staticmethod
+    def get_relative_path(path):
+        try:
+            migration_string = os.path.relpath(path)
+        except ValueError:
+            migration_string = path
+        if migration_string.startswith(".."):
+            migration_string = path
+        return migration_string
+
+    def handle_merge(self, loader, conflicts):
+        """
+        Handles merging together conflicted migrations interactively,
+        if it's safe; otherwise, advises on how to fix it.
+        """
+        if self.interactive:
+            questioner = InteractiveMigrationQuestioner(prompt_output=self.log_output)
+        else:
+            questioner = MigrationQuestioner(defaults={"ask_merge": True})
+
+        for app_label, migration_names in conflicts.items():
+            # Grab out the migrations in question, and work out their
+            # common ancestor.
+            merge_migrations = []
+            for migration_name in migration_names:
+                migration = loader.get_migration(app_label, migration_name)
+                migration.ancestry = [
+                    mig
+                    for mig in loader.graph.forwards_plan((app_label, migration_name))
+                    if mig[0] == migration.app_label
+                ]
+                merge_migrations.append(migration)
+
+            def all_items_equal(seq):
+                return all(item == seq[0] for item in seq[1:])
+
+            merge_migrations_generations = zip(*(m.ancestry for m in merge_migrations))
+            common_ancestor_count = sum(
+                1
+                for common_ancestor_generation in takewhile(
+                    all_items_equal, merge_migrations_generations
+                )
+            )
+            if not common_ancestor_count:
+                raise ValueError(
+                    "Could not find common ancestor of %s" % migration_names
+                )
+            # Now work out the operations along each divergent branch
+            for migration in merge_migrations:
+                migration.branch = migration.ancestry[common_ancestor_count:]
+                migrations_ops = (
+                    loader.get_migration(node_app, node_name).operations
+                    for node_app, node_name in migration.branch
+                )
+                migration.merged_operations = sum(migrations_ops, [])
+            # In future, this could use some of the Optimizer code
+            # (can_optimize_through) to automatically see if they're
+            # mergeable. For now, we always just prompt the user.
+            if self.verbosity > 0:
+                self.log(self.style.MIGRATE_HEADING("Merging %s" % app_label))
+                for migration in merge_migrations:
+                    self.log(self.style.MIGRATE_LABEL("  Branch %s" % migration.name))
+                    for operation in migration.merged_operations:
+                        self.log("    - %s" % operation.describe())
+            if questioner.ask_merge(app_label):
+                # If they still want to merge it, then write out an empty
+                # file depending on the migrations needing merging.
+                numbers = [
+                    MigrationAutodetector.parse_number(migration.name)
+                    for migration in merge_migrations
+                ]
+                try:
+                    biggest_number = max(x for x in numbers if x is not None)
+                except ValueError:
+                    biggest_number = 1
+                subclass = type(
+                    "Migration",
+                    (Migration,),
+                    {
+                        "dependencies": [
+                            (app_label, migration.name)
+                            for migration in merge_migrations
+                        ],
+                    },
+                )
+                parts = ["%04i" % (biggest_number + 1)]
+                if self.migration_name:
+                    parts.append(self.migration_name)
+                else:
+                    parts.append("merge")
+                    leaf_names = "_".join(
+                        sorted(migration.name for migration in merge_migrations)
+                    )
+                    if len(leaf_names) > 47:
+                        parts.append(get_migration_name_timestamp())
+                    else:
+                        parts.append(leaf_names)
+                migration_name = "_".join(parts)
+                new_migration = subclass(migration_name, app_label)
+                writer = MigrationWriter(new_migration, self.include_header)
+
+                if not self.dry_run:
+                    # Write the merge migrations file to the disk
+                    with open(writer.path, "w", encoding="utf-8") as fh:
+                        fh.write(writer.as_string())
+                    run_formatters([writer.path])
+                    if self.verbosity > 0:
+                        self.log("\nCreated new merge migration %s" % writer.path)
+                        if self.scriptable:
+                            self.stdout.write(writer.path)
+                elif self.verbosity == 3:
+                    # Alternatively, makemigrations --merge --dry-run --verbosity 3
+                    # will log the merge migrations rather than saving the file
+                    # to the disk.
+                    self.log(
+                        self.style.MIGRATE_HEADING(
+                            "Full merge migrations file '%s':" % writer.filename
+                        )
+                    )
+                    self.log(writer.as_string())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/migrate.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/migrate.py
new file mode 100644
index 00000000..15418430
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/migrate.py
@@ -0,0 +1,511 @@
+import sys
+import time
+from importlib import import_module
+
+from django.apps import apps
+from django.core.management.base import BaseCommand, CommandError, no_translations
+from django.core.management.sql import emit_post_migrate_signal, emit_pre_migrate_signal
+from django.db import DEFAULT_DB_ALIAS, connections, router
+from django.db.migrations.autodetector import MigrationAutodetector
+from django.db.migrations.executor import MigrationExecutor
+from django.db.migrations.loader import AmbiguityError
+from django.db.migrations.state import ModelState, ProjectState
+from django.utils.module_loading import module_has_submodule
+from django.utils.text import Truncator
+
+
+class Command(BaseCommand):
+    help = (
+        "Updates database schema. Manages both apps with migrations and those without."
+    )
+    requires_system_checks = []
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--skip-checks",
+            action="store_true",
+            help="Skip system checks.",
+        )
+        parser.add_argument(
+            "app_label",
+            nargs="?",
+            help="App label of an application to synchronize the state.",
+        )
+        parser.add_argument(
+            "migration_name",
+            nargs="?",
+            help="Database state will be brought to the state after that "
+            'migration. Use the name "zero" to unapply all migrations.',
+        )
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Tells Django to NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                'Nominates a database to synchronize. Defaults to the "default" '
+                "database."
+            ),
+        )
+        parser.add_argument(
+            "--fake",
+            action="store_true",
+            help="Mark migrations as run without actually running them.",
+        )
+        parser.add_argument(
+            "--fake-initial",
+            action="store_true",
+            help=(
+                "Detect if tables already exist and fake-apply initial migrations if "
+                "so. Make sure that the current database schema matches your initial "
+                "migration before using this flag. Django will only check for an "
+                "existing table name."
+            ),
+        )
+        parser.add_argument(
+            "--plan",
+            action="store_true",
+            help="Shows a list of the migration actions that will be performed.",
+        )
+        parser.add_argument(
+            "--run-syncdb",
+            action="store_true",
+            help="Creates tables for apps without migrations.",
+        )
+        parser.add_argument(
+            "--check",
+            action="store_true",
+            dest="check_unapplied",
+            help=(
+                "Exits with a non-zero status if unapplied migrations exist and does "
+                "not actually apply migrations."
+            ),
+        )
+        parser.add_argument(
+            "--prune",
+            action="store_true",
+            dest="prune",
+            help="Delete nonexistent migrations from the django_migrations table.",
+        )
+
+    @no_translations
+    def handle(self, *args, **options):
+        database = options["database"]
+        if not options["skip_checks"]:
+            self.check(databases=[database])
+
+        self.verbosity = options["verbosity"]
+        self.interactive = options["interactive"]
+
+        # Import the 'management' module within each installed app, to register
+        # dispatcher events.
+        for app_config in apps.get_app_configs():
+            if module_has_submodule(app_config.module, "management"):
+                import_module(".management", app_config.name)
+
+        # Get the database we're operating from
+        connection = connections[database]
+
+        # Hook for backends needing any database preparation
+        connection.prepare_database()
+        # Work out which apps have migrations and which do not
+        executor = MigrationExecutor(connection, self.migration_progress_callback)
+
+        # Raise an error if any migrations are applied before their dependencies.
+        executor.loader.check_consistent_history(connection)
+
+        # Before anything else, see if there's conflicting apps and drop out
+        # hard if there are any
+        conflicts = executor.loader.detect_conflicts()
+        if conflicts:
+            name_str = "; ".join(
+                "%s in %s" % (", ".join(names), app) for app, names in conflicts.items()
+            )
+            raise CommandError(
+                "Conflicting migrations detected; multiple leaf nodes in the "
+                "migration graph: (%s).\nTo fix them run "
+                "'python manage.py makemigrations --merge'" % name_str
+            )
+
+        # If they supplied command line arguments, work out what they mean.
+        run_syncdb = options["run_syncdb"]
+        target_app_labels_only = True
+        if options["app_label"]:
+            # Validate app_label.
+            app_label = options["app_label"]
+            try:
+                apps.get_app_config(app_label)
+            except LookupError as err:
+                raise CommandError(str(err))
+            if run_syncdb:
+                if app_label in executor.loader.migrated_apps:
+                    raise CommandError(
+                        "Can't use run_syncdb with app '%s' as it has migrations."
+                        % app_label
+                    )
+            elif app_label not in executor.loader.migrated_apps:
+                raise CommandError("App '%s' does not have migrations." % app_label)
+
+        if options["app_label"] and options["migration_name"]:
+            migration_name = options["migration_name"]
+            if migration_name == "zero":
+                targets = [(app_label, None)]
+            else:
+                try:
+                    migration = executor.loader.get_migration_by_prefix(
+                        app_label, migration_name
+                    )
+                except AmbiguityError:
+                    raise CommandError(
+                        "More than one migration matches '%s' in app '%s'. "
+                        "Please be more specific." % (migration_name, app_label)
+                    )
+                except KeyError:
+                    raise CommandError(
+                        "Cannot find a migration matching '%s' from app '%s'."
+                        % (migration_name, app_label)
+                    )
+                target = (app_label, migration.name)
+                # Partially applied squashed migrations are not included in the
+                # graph, use the last replacement instead.
+                if (
+                    target not in executor.loader.graph.nodes
+                    and target in executor.loader.replacements
+                ):
+                    incomplete_migration = executor.loader.replacements[target]
+                    target = incomplete_migration.replaces[-1]
+                targets = [target]
+            target_app_labels_only = False
+        elif options["app_label"]:
+            targets = [
+                key for key in executor.loader.graph.leaf_nodes() if key[0] == app_label
+            ]
+        else:
+            targets = executor.loader.graph.leaf_nodes()
+
+        if options["prune"]:
+            if not options["app_label"]:
+                raise CommandError(
+                    "Migrations can be pruned only when an app is specified."
+                )
+            if self.verbosity > 0:
+                self.stdout.write("Pruning migrations:", self.style.MIGRATE_HEADING)
+            to_prune = set(executor.loader.applied_migrations) - set(
+                executor.loader.disk_migrations
+            )
+            squashed_migrations_with_deleted_replaced_migrations = [
+                migration_key
+                for migration_key, migration_obj in executor.loader.replacements.items()
+                if any(replaced in to_prune for replaced in migration_obj.replaces)
+            ]
+            if squashed_migrations_with_deleted_replaced_migrations:
+                self.stdout.write(
+                    self.style.NOTICE(
+                        "  Cannot use --prune because the following squashed "
+                        "migrations have their 'replaces' attributes and may not "
+                        "be recorded as applied:"
+                    )
+                )
+                for migration in squashed_migrations_with_deleted_replaced_migrations:
+                    app, name = migration
+                    self.stdout.write(f"    {app}.{name}")
+                self.stdout.write(
+                    self.style.NOTICE(
+                        "  Re-run 'manage.py migrate' if they are not marked as "
+                        "applied, and remove 'replaces' attributes in their "
+                        "Migration classes."
+                    )
+                )
+            else:
+                to_prune = sorted(
+                    migration for migration in to_prune if migration[0] == app_label
+                )
+                if to_prune:
+                    for migration in to_prune:
+                        app, name = migration
+                        if self.verbosity > 0:
+                            self.stdout.write(
+                                self.style.MIGRATE_LABEL(f"  Pruning {app}.{name}"),
+                                ending="",
+                            )
+                        executor.recorder.record_unapplied(app, name)
+                        if self.verbosity > 0:
+                            self.stdout.write(self.style.SUCCESS(" OK"))
+                elif self.verbosity > 0:
+                    self.stdout.write("  No migrations to prune.")
+
+        plan = executor.migration_plan(targets)
+
+        if options["plan"]:
+            self.stdout.write("Planned operations:", self.style.MIGRATE_LABEL)
+            if not plan:
+                self.stdout.write("  No planned migration operations.")
+            else:
+                for migration, backwards in plan:
+                    self.stdout.write(str(migration), self.style.MIGRATE_HEADING)
+                    for operation in migration.operations:
+                        message, is_error = self.describe_operation(
+                            operation, backwards
+                        )
+                        style = self.style.WARNING if is_error else None
+                        self.stdout.write("    " + message, style)
+                if options["check_unapplied"]:
+                    sys.exit(1)
+            return
+        if options["check_unapplied"]:
+            if plan:
+                sys.exit(1)
+            return
+        if options["prune"]:
+            return
+
+        # At this point, ignore run_syncdb if there aren't any apps to sync.
+        run_syncdb = options["run_syncdb"] and executor.loader.unmigrated_apps
+        # Print some useful info
+        if self.verbosity >= 1:
+            self.stdout.write(self.style.MIGRATE_HEADING("Operations to perform:"))
+            if run_syncdb:
+                if options["app_label"]:
+                    self.stdout.write(
+                        self.style.MIGRATE_LABEL(
+                            "  Synchronize unmigrated app: %s" % app_label
+                        )
+                    )
+                else:
+                    self.stdout.write(
+                        self.style.MIGRATE_LABEL("  Synchronize unmigrated apps: ")
+                        + (", ".join(sorted(executor.loader.unmigrated_apps)))
+                    )
+            if target_app_labels_only:
+                self.stdout.write(
+                    self.style.MIGRATE_LABEL("  Apply all migrations: ")
+                    + (", ".join(sorted({a for a, n in targets})) or "(none)")
+                )
+            else:
+                if targets[0][1] is None:
+                    self.stdout.write(
+                        self.style.MIGRATE_LABEL("  Unapply all migrations: ")
+                        + str(targets[0][0])
+                    )
+                else:
+                    self.stdout.write(
+                        self.style.MIGRATE_LABEL("  Target specific migration: ")
+                        + "%s, from %s" % (targets[0][1], targets[0][0])
+                    )
+
+        pre_migrate_state = executor._create_project_state(with_applied_migrations=True)
+        pre_migrate_apps = pre_migrate_state.apps
+        emit_pre_migrate_signal(
+            self.verbosity,
+            self.interactive,
+            connection.alias,
+            stdout=self.stdout,
+            apps=pre_migrate_apps,
+            plan=plan,
+        )
+
+        # Run the syncdb phase.
+        if run_syncdb:
+            if self.verbosity >= 1:
+                self.stdout.write(
+                    self.style.MIGRATE_HEADING("Synchronizing apps without migrations:")
+                )
+            if options["app_label"]:
+                self.sync_apps(connection, [app_label])
+            else:
+                self.sync_apps(connection, executor.loader.unmigrated_apps)
+
+        # Migrate!
+        if self.verbosity >= 1:
+            self.stdout.write(self.style.MIGRATE_HEADING("Running migrations:"))
+        if not plan:
+            if self.verbosity >= 1:
+                self.stdout.write("  No migrations to apply.")
+                # If there's changes that aren't in migrations yet, tell them
+                # how to fix it.
+                autodetector = MigrationAutodetector(
+                    executor.loader.project_state(),
+                    ProjectState.from_apps(apps),
+                )
+                changes = autodetector.changes(graph=executor.loader.graph)
+                if changes:
+                    self.stdout.write(
+                        self.style.NOTICE(
+                            "  Your models in app(s): %s have changes that are not "
+                            "yet reflected in a migration, and so won't be "
+                            "applied." % ", ".join(repr(app) for app in sorted(changes))
+                        )
+                    )
+                    self.stdout.write(
+                        self.style.NOTICE(
+                            "  Run 'manage.py makemigrations' to make new "
+                            "migrations, and then re-run 'manage.py migrate' to "
+                            "apply them."
+                        )
+                    )
+            fake = False
+            fake_initial = False
+        else:
+            fake = options["fake"]
+            fake_initial = options["fake_initial"]
+        post_migrate_state = executor.migrate(
+            targets,
+            plan=plan,
+            state=pre_migrate_state.clone(),
+            fake=fake,
+            fake_initial=fake_initial,
+        )
+        # post_migrate signals have access to all models. Ensure that all models
+        # are reloaded in case any are delayed.
+        post_migrate_state.clear_delayed_apps_cache()
+        post_migrate_apps = post_migrate_state.apps
+
+        # Re-render models of real apps to include relationships now that
+        # we've got a final state. This wouldn't be necessary if real apps
+        # models were rendered with relationships in the first place.
+        with post_migrate_apps.bulk_update():
+            model_keys = []
+            for model_state in post_migrate_apps.real_models:
+                model_key = model_state.app_label, model_state.name_lower
+                model_keys.append(model_key)
+                post_migrate_apps.unregister_model(*model_key)
+        post_migrate_apps.render_multiple(
+            [ModelState.from_model(apps.get_model(*model)) for model in model_keys]
+        )
+
+        # Send the post_migrate signal, so individual apps can do whatever they need
+        # to do at this point.
+        emit_post_migrate_signal(
+            self.verbosity,
+            self.interactive,
+            connection.alias,
+            stdout=self.stdout,
+            apps=post_migrate_apps,
+            plan=plan,
+        )
+
+    def migration_progress_callback(self, action, migration=None, fake=False):
+        if self.verbosity >= 1:
+            compute_time = self.verbosity > 1
+            if action == "apply_start":
+                if compute_time:
+                    self.start = time.monotonic()
+                self.stdout.write("  Applying %s..." % migration, ending="")
+                self.stdout.flush()
+            elif action == "apply_success":
+                elapsed = (
+                    " (%.3fs)" % (time.monotonic() - self.start) if compute_time else ""
+                )
+                if fake:
+                    self.stdout.write(self.style.SUCCESS(" FAKED" + elapsed))
+                else:
+                    self.stdout.write(self.style.SUCCESS(" OK" + elapsed))
+            elif action == "unapply_start":
+                if compute_time:
+                    self.start = time.monotonic()
+                self.stdout.write("  Unapplying %s..." % migration, ending="")
+                self.stdout.flush()
+            elif action == "unapply_success":
+                elapsed = (
+                    " (%.3fs)" % (time.monotonic() - self.start) if compute_time else ""
+                )
+                if fake:
+                    self.stdout.write(self.style.SUCCESS(" FAKED" + elapsed))
+                else:
+                    self.stdout.write(self.style.SUCCESS(" OK" + elapsed))
+            elif action == "render_start":
+                if compute_time:
+                    self.start = time.monotonic()
+                self.stdout.write("  Rendering model states...", ending="")
+                self.stdout.flush()
+            elif action == "render_success":
+                elapsed = (
+                    " (%.3fs)" % (time.monotonic() - self.start) if compute_time else ""
+                )
+                self.stdout.write(self.style.SUCCESS(" DONE" + elapsed))
+
+    def sync_apps(self, connection, app_labels):
+        """Run the old syncdb-style operation on a list of app_labels."""
+        with connection.cursor() as cursor:
+            tables = connection.introspection.table_names(cursor)
+
+        # Build the manifest of apps and models that are to be synchronized.
+        all_models = [
+            (
+                app_config.label,
+                router.get_migratable_models(
+                    app_config, connection.alias, include_auto_created=False
+                ),
+            )
+            for app_config in apps.get_app_configs()
+            if app_config.models_module is not None and app_config.label in app_labels
+        ]
+
+        def model_installed(model):
+            opts = model._meta
+            converter = connection.introspection.identifier_converter
+            return not (
+                (converter(opts.db_table) in tables)
+                or (
+                    opts.auto_created
+                    and converter(opts.auto_created._meta.db_table) in tables
+                )
+            )
+
+        manifest = {
+            app_name: list(filter(model_installed, model_list))
+            for app_name, model_list in all_models
+        }
+
+        # Create the tables for each model
+        if self.verbosity >= 1:
+            self.stdout.write("  Creating tables...")
+        with connection.schema_editor() as editor:
+            for app_name, model_list in manifest.items():
+                for model in model_list:
+                    # Never install unmanaged models, etc.
+                    if not model._meta.can_migrate(connection):
+                        continue
+                    if self.verbosity >= 3:
+                        self.stdout.write(
+                            "    Processing %s.%s model"
+                            % (app_name, model._meta.object_name)
+                        )
+                    if self.verbosity >= 1:
+                        self.stdout.write(
+                            "    Creating table %s" % model._meta.db_table
+                        )
+                    editor.create_model(model)
+
+            # Deferred SQL is executed when exiting the editor's context.
+            if self.verbosity >= 1:
+                self.stdout.write("    Running deferred SQL...")
+
+    @staticmethod
+    def describe_operation(operation, backwards):
+        """Return a string that describes a migration operation for --plan."""
+        prefix = ""
+        is_error = False
+        if hasattr(operation, "code"):
+            code = operation.reverse_code if backwards else operation.code
+            action = (code.__doc__ or "") if code else None
+        elif hasattr(operation, "sql"):
+            action = operation.reverse_sql if backwards else operation.sql
+        else:
+            action = ""
+            if backwards:
+                prefix = "Undo "
+        if action is not None:
+            action = str(action).replace("\n", "")
+        elif backwards:
+            action = "IRREVERSIBLE"
+            is_error = True
+        if action:
+            action = " -> " + action
+        truncated = Truncator(action)
+        return prefix + operation.describe() + truncated.chars(40), is_error
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/optimizemigration.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/optimizemigration.py
new file mode 100644
index 00000000..2064dfbf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/optimizemigration.py
@@ -0,0 +1,129 @@
+import shutil
+import sys
+
+from django.apps import apps
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.utils import run_formatters
+from django.db import migrations
+from django.db.migrations.exceptions import AmbiguityError
+from django.db.migrations.loader import MigrationLoader
+from django.db.migrations.optimizer import MigrationOptimizer
+from django.db.migrations.writer import MigrationWriter
+from django.utils.version import get_docs_version
+
+
+class Command(BaseCommand):
+    help = "Optimizes the operations for the named migration."
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "app_label",
+            help="App label of the application to optimize the migration for.",
+        )
+        parser.add_argument(
+            "migration_name", help="Migration name to optimize the operations for."
+        )
+        parser.add_argument(
+            "--check",
+            action="store_true",
+            help="Exit with a non-zero status if the migration can be optimized.",
+        )
+
+    def handle(self, *args, **options):
+        verbosity = options["verbosity"]
+        app_label = options["app_label"]
+        migration_name = options["migration_name"]
+        check = options["check"]
+
+        # Validate app_label.
+        try:
+            apps.get_app_config(app_label)
+        except LookupError as err:
+            raise CommandError(str(err))
+
+        # Load the current graph state.
+        loader = MigrationLoader(None)
+        if app_label not in loader.migrated_apps:
+            raise CommandError(f"App '{app_label}' does not have migrations.")
+        # Find a migration.
+        try:
+            migration = loader.get_migration_by_prefix(app_label, migration_name)
+        except AmbiguityError:
+            raise CommandError(
+                f"More than one migration matches '{migration_name}' in app "
+                f"'{app_label}'. Please be more specific."
+            )
+        except KeyError:
+            raise CommandError(
+                f"Cannot find a migration matching '{migration_name}' from app "
+                f"'{app_label}'."
+            )
+
+        # Optimize the migration.
+        optimizer = MigrationOptimizer()
+        new_operations = optimizer.optimize(migration.operations, migration.app_label)
+        if len(migration.operations) == len(new_operations):
+            if verbosity > 0:
+                self.stdout.write("No optimizations possible.")
+            return
+        else:
+            if verbosity > 0:
+                self.stdout.write(
+                    "Optimizing from %d operations to %d operations."
+                    % (len(migration.operations), len(new_operations))
+                )
+            if check:
+                sys.exit(1)
+
+        # Set the new migration optimizations.
+        migration.operations = new_operations
+
+        # Write out the optimized migration file.
+        writer = MigrationWriter(migration)
+        migration_file_string = writer.as_string()
+        if writer.needs_manual_porting:
+            if migration.replaces:
+                raise CommandError(
+                    "Migration will require manual porting but is already a squashed "
+                    "migration.\nTransition to a normal migration first: "
+                    "https://docs.djangoproject.com/en/%s/topics/migrations/"
+                    "#squashing-migrations" % get_docs_version()
+                )
+            # Make a new migration with those operations.
+            subclass = type(
+                "Migration",
+                (migrations.Migration,),
+                {
+                    "dependencies": migration.dependencies,
+                    "operations": new_operations,
+                    "replaces": [(migration.app_label, migration.name)],
+                },
+            )
+            optimized_migration_name = "%s_optimized" % migration.name
+            optimized_migration = subclass(optimized_migration_name, app_label)
+            writer = MigrationWriter(optimized_migration)
+            migration_file_string = writer.as_string()
+            if verbosity > 0:
+                self.stdout.write(
+                    self.style.MIGRATE_HEADING("Manual porting required") + "\n"
+                    "  Your migrations contained functions that must be manually "
+                    "copied over,\n"
+                    "  as we could not safely copy their implementation.\n"
+                    "  See the comment at the top of the optimized migration for "
+                    "details."
+                )
+                if shutil.which("black"):
+                    self.stdout.write(
+                        self.style.WARNING(
+                            "Optimized migration couldn't be formatted using the "
+                            '"black" command. You can call it manually.'
+                        )
+                    )
+        with open(writer.path, "w", encoding="utf-8") as fh:
+            fh.write(migration_file_string)
+        run_formatters([writer.path])
+
+        if verbosity > 0:
+            self.stdout.write(
+                self.style.MIGRATE_HEADING(f"Optimized migration {writer.path}")
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/runserver.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/runserver.py
new file mode 100644
index 00000000..26bbf29d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/runserver.py
@@ -0,0 +1,186 @@
+import errno
+import os
+import re
+import socket
+import sys
+from datetime import datetime
+
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+from django.core.servers.basehttp import WSGIServer, get_internal_wsgi_application, run
+from django.utils import autoreload
+from django.utils.regex_helper import _lazy_re_compile
+
+naiveip_re = _lazy_re_compile(
+    r"""^(?:
+(?P<addr>
+    (?P<ipv4>\d{1,3}(?:\.\d{1,3}){3}) |         # IPv4 address
+    (?P<ipv6>\[[a-fA-F0-9:]+\]) |               # IPv6 address
+    (?P<fqdn>[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*) # FQDN
+):)?(?P<port>\d+)$""",
+    re.X,
+)
+
+
+class Command(BaseCommand):
+    help = "Starts a lightweight web server for development."
+
+    # Validation is called explicitly each time the server is reloaded.
+    requires_system_checks = []
+    stealth_options = ("shutdown_message",)
+    suppressed_base_arguments = {"--verbosity", "--traceback"}
+
+    default_addr = "127.0.0.1"
+    default_addr_ipv6 = "::1"
+    default_port = "8000"
+    protocol = "http"
+    server_cls = WSGIServer
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "addrport", nargs="?", help="Optional port number, or ipaddr:port"
+        )
+        parser.add_argument(
+            "--ipv6",
+            "-6",
+            action="store_true",
+            dest="use_ipv6",
+            help="Tells Django to use an IPv6 address.",
+        )
+        parser.add_argument(
+            "--nothreading",
+            action="store_false",
+            dest="use_threading",
+            help="Tells Django to NOT use threading.",
+        )
+        parser.add_argument(
+            "--noreload",
+            action="store_false",
+            dest="use_reloader",
+            help="Tells Django to NOT use the auto-reloader.",
+        )
+        parser.add_argument(
+            "--skip-checks",
+            action="store_true",
+            help="Skip system checks.",
+        )
+
+    def execute(self, *args, **options):
+        if options["no_color"]:
+            # We rely on the environment because it's currently the only
+            # way to reach WSGIRequestHandler. This seems an acceptable
+            # compromise considering `runserver` runs indefinitely.
+            os.environ["DJANGO_COLORS"] = "nocolor"
+        super().execute(*args, **options)
+
+    def get_handler(self, *args, **options):
+        """Return the default WSGI handler for the runner."""
+        return get_internal_wsgi_application()
+
+    def handle(self, *args, **options):
+        if not settings.DEBUG and not settings.ALLOWED_HOSTS:
+            raise CommandError("You must set settings.ALLOWED_HOSTS if DEBUG is False.")
+
+        self.use_ipv6 = options["use_ipv6"]
+        if self.use_ipv6 and not socket.has_ipv6:
+            raise CommandError("Your Python does not support IPv6.")
+        self._raw_ipv6 = False
+        if not options["addrport"]:
+            self.addr = ""
+            self.port = self.default_port
+        else:
+            m = re.match(naiveip_re, options["addrport"])
+            if m is None:
+                raise CommandError(
+                    '"%s" is not a valid port number '
+                    "or address:port pair." % options["addrport"]
+                )
+            self.addr, _ipv4, _ipv6, _fqdn, self.port = m.groups()
+            if not self.port.isdigit():
+                raise CommandError("%r is not a valid port number." % self.port)
+            if self.addr:
+                if _ipv6:
+                    self.addr = self.addr[1:-1]
+                    self.use_ipv6 = True
+                    self._raw_ipv6 = True
+                elif self.use_ipv6 and not _fqdn:
+                    raise CommandError('"%s" is not a valid IPv6 address.' % self.addr)
+        if not self.addr:
+            self.addr = self.default_addr_ipv6 if self.use_ipv6 else self.default_addr
+            self._raw_ipv6 = self.use_ipv6
+        self.run(**options)
+
+    def run(self, **options):
+        """Run the server, using the autoreloader if needed."""
+        use_reloader = options["use_reloader"]
+
+        if use_reloader:
+            autoreload.run_with_reloader(self.inner_run, **options)
+        else:
+            self.inner_run(None, **options)
+
+    def inner_run(self, *args, **options):
+        # If an exception was silenced in ManagementUtility.execute in order
+        # to be raised in the child process, raise it now.
+        autoreload.raise_last_exception()
+
+        threading = options["use_threading"]
+        # 'shutdown_message' is a stealth option.
+        shutdown_message = options.get("shutdown_message", "")
+
+        if not options["skip_checks"]:
+            self.stdout.write("Performing system checks...\n\n")
+            self.check(display_num_errors=True)
+        # Need to check migrations here, so can't use the
+        # requires_migrations_check attribute.
+        self.check_migrations()
+
+        try:
+            handler = self.get_handler(*args, **options)
+            run(
+                self.addr,
+                int(self.port),
+                handler,
+                ipv6=self.use_ipv6,
+                threading=threading,
+                on_bind=self.on_bind,
+                server_cls=self.server_cls,
+            )
+        except OSError as e:
+            # Use helpful error messages instead of ugly tracebacks.
+            ERRORS = {
+                errno.EACCES: "You don't have permission to access that port.",
+                errno.EADDRINUSE: "That port is already in use.",
+                errno.EADDRNOTAVAIL: "That IP address can't be assigned to.",
+            }
+            try:
+                error_text = ERRORS[e.errno]
+            except KeyError:
+                error_text = e
+            self.stderr.write("Error: %s" % error_text)
+            # Need to use an OS exit because sys.exit doesn't work in a thread
+            os._exit(1)
+        except KeyboardInterrupt:
+            if shutdown_message:
+                self.stdout.write(shutdown_message)
+            sys.exit(0)
+
+    def on_bind(self, server_port):
+        quit_command = "CTRL-BREAK" if sys.platform == "win32" else "CONTROL-C"
+
+        if self._raw_ipv6:
+            addr = f"[{self.addr}]"
+        elif self.addr == "0":
+            addr = "0.0.0.0"
+        else:
+            addr = self.addr
+
+        now = datetime.now().strftime("%B %d, %Y - %X")
+        version = self.get_version()
+        print(
+            f"{now}\n"
+            f"Django version {version}, using settings {settings.SETTINGS_MODULE!r}\n"
+            f"Starting development server at {self.protocol}://{addr}:{server_port}/\n"
+            f"Quit the server with {quit_command}.",
+            file=self.stdout,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sendtestemail.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sendtestemail.py
new file mode 100644
index 00000000..fbb2a785
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sendtestemail.py
@@ -0,0 +1,46 @@
+import socket
+
+from django.core.mail import mail_admins, mail_managers, send_mail
+from django.core.management.base import BaseCommand
+from django.utils import timezone
+
+
+class Command(BaseCommand):
+    help = "Sends a test email to the email addresses specified as arguments."
+    missing_args_message = (
+        "You must specify some email recipients, or pass the --managers or --admin "
+        "options."
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "email",
+            nargs="*",
+            help="One or more email addresses to send a test email to.",
+        )
+        parser.add_argument(
+            "--managers",
+            action="store_true",
+            help="Send a test email to the addresses specified in settings.MANAGERS.",
+        )
+        parser.add_argument(
+            "--admins",
+            action="store_true",
+            help="Send a test email to the addresses specified in settings.ADMINS.",
+        )
+
+    def handle(self, *args, **kwargs):
+        subject = "Test email from %s on %s" % (socket.gethostname(), timezone.now())
+
+        send_mail(
+            subject=subject,
+            message="If you're reading this, it was successful.",
+            from_email=None,
+            recipient_list=kwargs["email"],
+        )
+
+        if kwargs["managers"]:
+            mail_managers(subject, "This email was sent to the site managers.")
+
+        if kwargs["admins"]:
+            mail_admins(subject, "This email was sent to the site admins.")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/shell.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/shell.py
new file mode 100644
index 00000000..f55b3464
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/shell.py
@@ -0,0 +1,139 @@
+import os
+import select
+import sys
+import traceback
+
+from django.core.management import BaseCommand, CommandError
+from django.utils.datastructures import OrderedSet
+
+
+class Command(BaseCommand):
+    help = (
+        "Runs a Python interactive interpreter. Tries to use IPython or "
+        "bpython, if one of them is available. Any standard input is executed "
+        "as code."
+    )
+
+    requires_system_checks = []
+    shells = ["ipython", "bpython", "python"]
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--no-startup",
+            action="store_true",
+            help=(
+                "When using plain Python, ignore the PYTHONSTARTUP environment "
+                "variable and ~/.pythonrc.py script."
+            ),
+        )
+        parser.add_argument(
+            "-i",
+            "--interface",
+            choices=self.shells,
+            help=(
+                "Specify an interactive interpreter interface. Available options: "
+                '"ipython", "bpython", and "python"'
+            ),
+        )
+        parser.add_argument(
+            "-c",
+            "--command",
+            help=(
+                "Instead of opening an interactive shell, run a command as Django and "
+                "exit."
+            ),
+        )
+
+    def ipython(self, options):
+        from IPython import start_ipython
+
+        start_ipython(argv=[])
+
+    def bpython(self, options):
+        import bpython
+
+        bpython.embed()
+
+    def python(self, options):
+        import code
+
+        # Set up a dictionary to serve as the environment for the shell.
+        imported_objects = {}
+
+        # We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
+        # conventions and get $PYTHONSTARTUP first then .pythonrc.py.
+        if not options["no_startup"]:
+            for pythonrc in OrderedSet(
+                [os.environ.get("PYTHONSTARTUP"), os.path.expanduser("~/.pythonrc.py")]
+            ):
+                if not pythonrc:
+                    continue
+                if not os.path.isfile(pythonrc):
+                    continue
+                with open(pythonrc) as handle:
+                    pythonrc_code = handle.read()
+                # Match the behavior of the cpython shell where an error in
+                # PYTHONSTARTUP prints an exception and continues.
+                try:
+                    exec(compile(pythonrc_code, pythonrc, "exec"), imported_objects)
+                except Exception:
+                    traceback.print_exc()
+
+        # By default, this will set up readline to do tab completion and to read and
+        # write history to the .python_history file, but this can be overridden by
+        # $PYTHONSTARTUP or ~/.pythonrc.py.
+        try:
+            hook = sys.__interactivehook__
+        except AttributeError:
+            # Match the behavior of the cpython shell where a missing
+            # sys.__interactivehook__ is ignored.
+            pass
+        else:
+            try:
+                hook()
+            except Exception:
+                # Match the behavior of the cpython shell where an error in
+                # sys.__interactivehook__ prints a warning and the exception
+                # and continues.
+                print("Failed calling sys.__interactivehook__")
+                traceback.print_exc()
+
+        # Set up tab completion for objects imported by $PYTHONSTARTUP or
+        # ~/.pythonrc.py.
+        try:
+            import readline
+            import rlcompleter
+
+            readline.set_completer(rlcompleter.Completer(imported_objects).complete)
+        except ImportError:
+            pass
+
+        # Start the interactive interpreter.
+        code.interact(local=imported_objects)
+
+    def handle(self, **options):
+        # Execute the command and exit.
+        if options["command"]:
+            exec(options["command"], globals())
+            return
+
+        # Execute stdin if it has anything to read and exit.
+        # Not supported on Windows due to select.select() limitations.
+        if (
+            sys.platform != "win32"
+            and not sys.stdin.isatty()
+            and select.select([sys.stdin], [], [], 0)[0]
+        ):
+            exec(sys.stdin.read(), globals())
+            return
+
+        available_shells = (
+            [options["interface"]] if options["interface"] else self.shells
+        )
+
+        for shell in available_shells:
+            try:
+                return getattr(self, shell)(options)
+            except ImportError:
+                pass
+        raise CommandError("Couldn't import {} interface.".format(shell))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/showmigrations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/showmigrations.py
new file mode 100644
index 00000000..203f9215
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/showmigrations.py
@@ -0,0 +1,176 @@
+import sys
+
+from django.apps import apps
+from django.core.management.base import BaseCommand
+from django.db import DEFAULT_DB_ALIAS, connections
+from django.db.migrations.loader import MigrationLoader
+from django.db.migrations.recorder import MigrationRecorder
+
+
+class Command(BaseCommand):
+    help = "Shows all available migrations for the current project"
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "app_label",
+            nargs="*",
+            help="App labels of applications to limit the output to.",
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                "Nominates a database to show migrations for. Defaults to the "
+                '"default" database.'
+            ),
+        )
+
+        formats = parser.add_mutually_exclusive_group()
+        formats.add_argument(
+            "--list",
+            "-l",
+            action="store_const",
+            dest="format",
+            const="list",
+            help=(
+                "Shows a list of all migrations and which are applied. "
+                "With a verbosity level of 2 or above, the applied datetimes "
+                "will be included."
+            ),
+        )
+        formats.add_argument(
+            "--plan",
+            "-p",
+            action="store_const",
+            dest="format",
+            const="plan",
+            help=(
+                "Shows all migrations in the order they will be applied. With a "
+                "verbosity level of 2 or above all direct migration dependencies and "
+                "reverse dependencies (run_before) will be included."
+            ),
+        )
+
+        parser.set_defaults(format="list")
+
+    def handle(self, *args, **options):
+        self.verbosity = options["verbosity"]
+
+        # Get the database we're operating from
+        db = options["database"]
+        connection = connections[db]
+
+        if options["format"] == "plan":
+            return self.show_plan(connection, options["app_label"])
+        else:
+            return self.show_list(connection, options["app_label"])
+
+    def _validate_app_names(self, loader, app_names):
+        has_bad_names = False
+        for app_name in app_names:
+            try:
+                apps.get_app_config(app_name)
+            except LookupError as err:
+                self.stderr.write(str(err))
+                has_bad_names = True
+        if has_bad_names:
+            sys.exit(2)
+
+    def show_list(self, connection, app_names=None):
+        """
+        Show a list of all migrations on the system, or only those of
+        some named apps.
+        """
+        # Load migrations from disk/DB
+        loader = MigrationLoader(connection, ignore_no_migrations=True)
+        recorder = MigrationRecorder(connection)
+        recorded_migrations = recorder.applied_migrations()
+        graph = loader.graph
+        # If we were passed a list of apps, validate it
+        if app_names:
+            self._validate_app_names(loader, app_names)
+        # Otherwise, show all apps in alphabetic order
+        else:
+            app_names = sorted(loader.migrated_apps)
+        # For each app, print its migrations in order from oldest (roots) to
+        # newest (leaves).
+        for app_name in app_names:
+            self.stdout.write(app_name, self.style.MIGRATE_LABEL)
+            shown = set()
+            for node in graph.leaf_nodes(app_name):
+                for plan_node in graph.forwards_plan(node):
+                    if plan_node not in shown and plan_node[0] == app_name:
+                        # Give it a nice title if it's a squashed one
+                        title = plan_node[1]
+                        if graph.nodes[plan_node].replaces:
+                            title += " (%s squashed migrations)" % len(
+                                graph.nodes[plan_node].replaces
+                            )
+                        applied_migration = loader.applied_migrations.get(plan_node)
+                        # Mark it as applied/unapplied
+                        if applied_migration:
+                            if plan_node in recorded_migrations:
+                                output = " [X] %s" % title
+                            else:
+                                title += " Run 'manage.py migrate' to finish recording."
+                                output = " [-] %s" % title
+                            if self.verbosity >= 2 and hasattr(
+                                applied_migration, "applied"
+                            ):
+                                output += (
+                                    " (applied at %s)"
+                                    % applied_migration.applied.strftime(
+                                        "%Y-%m-%d %H:%M:%S"
+                                    )
+                                )
+                            self.stdout.write(output)
+                        else:
+                            self.stdout.write(" [ ] %s" % title)
+                        shown.add(plan_node)
+            # If we didn't print anything, then a small message
+            if not shown:
+                self.stdout.write(" (no migrations)", self.style.ERROR)
+
+    def show_plan(self, connection, app_names=None):
+        """
+        Show all known migrations (or only those of the specified app_names)
+        in the order they will be applied.
+        """
+        # Load migrations from disk/DB
+        loader = MigrationLoader(connection)
+        graph = loader.graph
+        if app_names:
+            self._validate_app_names(loader, app_names)
+            targets = [key for key in graph.leaf_nodes() if key[0] in app_names]
+        else:
+            targets = graph.leaf_nodes()
+        plan = []
+        seen = set()
+
+        # Generate the plan
+        for target in targets:
+            for migration in graph.forwards_plan(target):
+                if migration not in seen:
+                    node = graph.node_map[migration]
+                    plan.append(node)
+                    seen.add(migration)
+
+        # Output
+        def print_deps(node):
+            out = []
+            for parent in sorted(node.parents):
+                out.append("%s.%s" % parent.key)
+            if out:
+                return " ... (%s)" % ", ".join(out)
+            return ""
+
+        for node in plan:
+            deps = ""
+            if self.verbosity >= 2:
+                deps = print_deps(node)
+            if node.key in loader.applied_migrations:
+                self.stdout.write("[X]  %s.%s%s" % (node.key[0], node.key[1], deps))
+            else:
+                self.stdout.write("[ ]  %s.%s%s" % (node.key[0], node.key[1], deps))
+        if not plan:
+            self.stdout.write("(no migrations)", self.style.ERROR)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlflush.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlflush.py
new file mode 100644
index 00000000..bc82e1f0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlflush.py
@@ -0,0 +1,29 @@
+from django.core.management.base import BaseCommand
+from django.core.management.sql import sql_flush
+from django.db import DEFAULT_DB_ALIAS, connections
+
+
+class Command(BaseCommand):
+    help = (
+        "Returns a list of the SQL statements required to return all tables in "
+        "the database to the state they were in just after they were installed."
+    )
+
+    output_transaction = True
+
+    def add_arguments(self, parser):
+        super().add_arguments(parser)
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                'Nominates a database to print the SQL for. Defaults to the "default" '
+                "database."
+            ),
+        )
+
+    def handle(self, **options):
+        sql_statements = sql_flush(self.style, connections[options["database"]])
+        if not sql_statements and options["verbosity"] >= 1:
+            self.stderr.write("No tables found.")
+        return "\n".join(sql_statements)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlmigrate.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlmigrate.py
new file mode 100644
index 00000000..2f699368
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlmigrate.py
@@ -0,0 +1,83 @@
+from django.apps import apps
+from django.core.management.base import BaseCommand, CommandError
+from django.db import DEFAULT_DB_ALIAS, connections
+from django.db.migrations.loader import AmbiguityError, MigrationLoader
+
+
+class Command(BaseCommand):
+    help = "Prints the SQL statements for the named migration."
+
+    output_transaction = True
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "app_label", help="App label of the application containing the migration."
+        )
+        parser.add_argument(
+            "migration_name", help="Migration name to print the SQL for."
+        )
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                'Nominates a database to create SQL for. Defaults to the "default" '
+                "database."
+            ),
+        )
+        parser.add_argument(
+            "--backwards",
+            action="store_true",
+            help="Creates SQL to unapply the migration, rather than to apply it",
+        )
+
+    def execute(self, *args, **options):
+        # sqlmigrate doesn't support coloring its output but we need to force
+        # no_color=True so that the BEGIN/COMMIT statements added by
+        # output_transaction don't get colored either.
+        options["no_color"] = True
+        return super().execute(*args, **options)
+
+    def handle(self, *args, **options):
+        # Get the database we're operating from
+        connection = connections[options["database"]]
+
+        # Load up a loader to get all the migration data, but don't replace
+        # migrations.
+        loader = MigrationLoader(connection, replace_migrations=False)
+
+        # Resolve command-line arguments into a migration
+        app_label, migration_name = options["app_label"], options["migration_name"]
+        # Validate app_label
+        try:
+            apps.get_app_config(app_label)
+        except LookupError as err:
+            raise CommandError(str(err))
+        if app_label not in loader.migrated_apps:
+            raise CommandError("App '%s' does not have migrations" % app_label)
+        try:
+            migration = loader.get_migration_by_prefix(app_label, migration_name)
+        except AmbiguityError:
+            raise CommandError(
+                "More than one migration matches '%s' in app '%s'. Please be more "
+                "specific." % (migration_name, app_label)
+            )
+        except KeyError:
+            raise CommandError(
+                "Cannot find a migration matching '%s' from app '%s'. Is it in "
+                "INSTALLED_APPS?" % (migration_name, app_label)
+            )
+        target = (app_label, migration.name)
+
+        # Show begin/end around output for atomic migrations, if the database
+        # supports transactional DDL.
+        self.output_transaction = (
+            migration.atomic and connection.features.can_rollback_ddl
+        )
+
+        # Make a plan that represents just the requested migrations and show SQL
+        # for it
+        plan = [(loader.graph.nodes[target], options["backwards"])]
+        sql_statements = loader.collect_sql(plan)
+        if not sql_statements and options["verbosity"] >= 1:
+            self.stderr.write("No operations found.")
+        return "\n".join(sql_statements)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlsequencereset.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlsequencereset.py
new file mode 100644
index 00000000..9653fa59
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/sqlsequencereset.py
@@ -0,0 +1,31 @@
+from django.core.management.base import AppCommand
+from django.db import DEFAULT_DB_ALIAS, connections
+
+
+class Command(AppCommand):
+    help = (
+        "Prints the SQL statements for resetting sequences for the given app name(s)."
+    )
+
+    output_transaction = True
+
+    def add_arguments(self, parser):
+        super().add_arguments(parser)
+        parser.add_argument(
+            "--database",
+            default=DEFAULT_DB_ALIAS,
+            help=(
+                'Nominates a database to print the SQL for. Defaults to the "default" '
+                "database."
+            ),
+        )
+
+    def handle_app_config(self, app_config, **options):
+        if app_config.models_module is None:
+            return
+        connection = connections[options["database"]]
+        models = app_config.get_models(include_auto_created=True)
+        statements = connection.ops.sequence_reset_sql(self.style, models)
+        if not statements and options["verbosity"] >= 1:
+            self.stderr.write("No sequences found.")
+        return "\n".join(statements)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/squashmigrations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/squashmigrations.py
new file mode 100644
index 00000000..6571cbc2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/squashmigrations.py
@@ -0,0 +1,267 @@
+import os
+import shutil
+
+from django.apps import apps
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.utils import run_formatters
+from django.db import DEFAULT_DB_ALIAS, connections, migrations
+from django.db.migrations.loader import AmbiguityError, MigrationLoader
+from django.db.migrations.migration import SwappableTuple
+from django.db.migrations.optimizer import MigrationOptimizer
+from django.db.migrations.writer import MigrationWriter
+from django.utils.version import get_docs_version
+
+
+class Command(BaseCommand):
+    help = (
+        "Squashes an existing set of migrations (from first until specified) into a "
+        "single new one."
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "app_label",
+            help="App label of the application to squash migrations for.",
+        )
+        parser.add_argument(
+            "start_migration_name",
+            nargs="?",
+            help=(
+                "Migrations will be squashed starting from and including this "
+                "migration."
+            ),
+        )
+        parser.add_argument(
+            "migration_name",
+            help="Migrations will be squashed until and including this migration.",
+        )
+        parser.add_argument(
+            "--no-optimize",
+            action="store_true",
+            help="Do not try to optimize the squashed operations.",
+        )
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Tells Django to NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "--squashed-name",
+            help="Sets the name of the new squashed migration.",
+        )
+        parser.add_argument(
+            "--no-header",
+            action="store_false",
+            dest="include_header",
+            help="Do not add a header comment to the new squashed migration.",
+        )
+
+    def handle(self, **options):
+        self.verbosity = options["verbosity"]
+        self.interactive = options["interactive"]
+        app_label = options["app_label"]
+        start_migration_name = options["start_migration_name"]
+        migration_name = options["migration_name"]
+        no_optimize = options["no_optimize"]
+        squashed_name = options["squashed_name"]
+        include_header = options["include_header"]
+        # Validate app_label.
+        try:
+            apps.get_app_config(app_label)
+        except LookupError as err:
+            raise CommandError(str(err))
+        # Load the current graph state, check the app and migration they asked
+        # for exists.
+        loader = MigrationLoader(connections[DEFAULT_DB_ALIAS])
+        if app_label not in loader.migrated_apps:
+            raise CommandError(
+                "App '%s' does not have migrations (so squashmigrations on "
+                "it makes no sense)" % app_label
+            )
+
+        migration = self.find_migration(loader, app_label, migration_name)
+
+        # Work out the list of predecessor migrations
+        migrations_to_squash = [
+            loader.get_migration(al, mn)
+            for al, mn in loader.graph.forwards_plan(
+                (migration.app_label, migration.name)
+            )
+            if al == migration.app_label
+        ]
+
+        if start_migration_name:
+            start_migration = self.find_migration(
+                loader, app_label, start_migration_name
+            )
+            start = loader.get_migration(
+                start_migration.app_label, start_migration.name
+            )
+            try:
+                start_index = migrations_to_squash.index(start)
+                migrations_to_squash = migrations_to_squash[start_index:]
+            except ValueError:
+                raise CommandError(
+                    "The migration '%s' cannot be found. Maybe it comes after "
+                    "the migration '%s'?\n"
+                    "Have a look at:\n"
+                    "  python manage.py showmigrations %s\n"
+                    "to debug this issue." % (start_migration, migration, app_label)
+                )
+
+        # Tell them what we're doing and optionally ask if we should proceed
+        if self.verbosity > 0 or self.interactive:
+            self.stdout.write(
+                self.style.MIGRATE_HEADING("Will squash the following migrations:")
+            )
+            for migration in migrations_to_squash:
+                self.stdout.write(" - %s" % migration.name)
+
+            if self.interactive:
+                answer = None
+                while not answer or answer not in "yn":
+                    answer = input("Do you wish to proceed? [yN] ")
+                    if not answer:
+                        answer = "n"
+                        break
+                    else:
+                        answer = answer[0].lower()
+                if answer != "y":
+                    return
+
+        # Load the operations from all those migrations and concat together,
+        # along with collecting external dependencies and detecting
+        # double-squashing
+        operations = []
+        dependencies = set()
+        # We need to take all dependencies from the first migration in the list
+        # as it may be 0002 depending on 0001
+        first_migration = True
+        for smigration in migrations_to_squash:
+            if smigration.replaces:
+                raise CommandError(
+                    "You cannot squash squashed migrations! Please transition it to a "
+                    "normal migration first: https://docs.djangoproject.com/en/%s/"
+                    "topics/migrations/#squashing-migrations" % get_docs_version()
+                )
+            operations.extend(smigration.operations)
+            for dependency in smigration.dependencies:
+                if isinstance(dependency, SwappableTuple):
+                    if settings.AUTH_USER_MODEL == dependency.setting:
+                        dependencies.add(("__setting__", "AUTH_USER_MODEL"))
+                    else:
+                        dependencies.add(dependency)
+                elif dependency[0] != smigration.app_label or first_migration:
+                    dependencies.add(dependency)
+            first_migration = False
+
+        if no_optimize:
+            if self.verbosity > 0:
+                self.stdout.write(
+                    self.style.MIGRATE_HEADING("(Skipping optimization.)")
+                )
+            new_operations = operations
+        else:
+            if self.verbosity > 0:
+                self.stdout.write(self.style.MIGRATE_HEADING("Optimizing..."))
+
+            optimizer = MigrationOptimizer()
+            new_operations = optimizer.optimize(operations, migration.app_label)
+
+            if self.verbosity > 0:
+                if len(new_operations) == len(operations):
+                    self.stdout.write("  No optimizations possible.")
+                else:
+                    self.stdout.write(
+                        "  Optimized from %s operations to %s operations."
+                        % (len(operations), len(new_operations))
+                    )
+
+        # Work out the value of replaces (any squashed ones we're re-squashing)
+        # need to feed their replaces into ours
+        replaces = []
+        for migration in migrations_to_squash:
+            if migration.replaces:
+                replaces.extend(migration.replaces)
+            else:
+                replaces.append((migration.app_label, migration.name))
+
+        # Make a new migration with those operations
+        subclass = type(
+            "Migration",
+            (migrations.Migration,),
+            {
+                "dependencies": dependencies,
+                "operations": new_operations,
+                "replaces": replaces,
+            },
+        )
+        if start_migration_name:
+            if squashed_name:
+                # Use the name from --squashed-name.
+                prefix, _ = start_migration.name.split("_", 1)
+                name = "%s_%s" % (prefix, squashed_name)
+            else:
+                # Generate a name.
+                name = "%s_squashed_%s" % (start_migration.name, migration.name)
+            new_migration = subclass(name, app_label)
+        else:
+            name = "0001_%s" % (squashed_name or "squashed_%s" % migration.name)
+            new_migration = subclass(name, app_label)
+            new_migration.initial = True
+
+        # Write out the new migration file
+        writer = MigrationWriter(new_migration, include_header)
+        if os.path.exists(writer.path):
+            raise CommandError(
+                f"Migration {new_migration.name} already exists. Use a different name."
+            )
+        with open(writer.path, "w", encoding="utf-8") as fh:
+            fh.write(writer.as_string())
+        run_formatters([writer.path])
+
+        if self.verbosity > 0:
+            self.stdout.write(
+                self.style.MIGRATE_HEADING(
+                    "Created new squashed migration %s" % writer.path
+                )
+                + "\n"
+                "  You should commit this migration but leave the old ones in place;\n"
+                "  the new migration will be used for new installs. Once you are sure\n"
+                "  all instances of the codebase have applied the migrations you "
+                "squashed,\n"
+                "  you can delete them."
+            )
+            if writer.needs_manual_porting:
+                self.stdout.write(
+                    self.style.MIGRATE_HEADING("Manual porting required") + "\n"
+                    "  Your migrations contained functions that must be manually "
+                    "copied over,\n"
+                    "  as we could not safely copy their implementation.\n"
+                    "  See the comment at the top of the squashed migration for "
+                    "details."
+                )
+                if shutil.which("black"):
+                    self.stdout.write(
+                        self.style.WARNING(
+                            "Squashed migration couldn't be formatted using the "
+                            '"black" command. You can call it manually.'
+                        )
+                    )
+
+    def find_migration(self, loader, app_label, name):
+        try:
+            return loader.get_migration_by_prefix(app_label, name)
+        except AmbiguityError:
+            raise CommandError(
+                "More than one migration matches '%s' in app '%s'. Please be "
+                "more specific." % (name, app_label)
+            )
+        except KeyError:
+            raise CommandError(
+                "Cannot find a migration matching '%s' from app '%s'."
+                % (name, app_label)
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/startapp.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/startapp.py
new file mode 100644
index 00000000..e85833b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/startapp.py
@@ -0,0 +1,14 @@
+from django.core.management.templates import TemplateCommand
+
+
+class Command(TemplateCommand):
+    help = (
+        "Creates a Django app directory structure for the given app name in "
+        "the current directory or optionally in the given directory."
+    )
+    missing_args_message = "You must provide an application name."
+
+    def handle(self, **options):
+        app_name = options.pop("name")
+        target = options.pop("directory")
+        super().handle("app", app_name, target, **options)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/startproject.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/startproject.py
new file mode 100644
index 00000000..ca17fa54
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/startproject.py
@@ -0,0 +1,21 @@
+from django.core.checks.security.base import SECRET_KEY_INSECURE_PREFIX
+from django.core.management.templates import TemplateCommand
+
+from ..utils import get_random_secret_key
+
+
+class Command(TemplateCommand):
+    help = (
+        "Creates a Django project directory structure for the given project "
+        "name in the current directory or optionally in the given directory."
+    )
+    missing_args_message = "You must provide a project name."
+
+    def handle(self, **options):
+        project_name = options.pop("name")
+        target = options.pop("directory")
+
+        # Create a random SECRET_KEY to put it in the main settings.
+        options["secret_key"] = SECRET_KEY_INSECURE_PREFIX + get_random_secret_key()
+
+        super().handle("project", project_name, target, **options)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/test.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/test.py
new file mode 100644
index 00000000..2df6dbbe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/test.py
@@ -0,0 +1,71 @@
+import sys
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+from django.core.management.utils import get_command_line_option
+from django.test.runner import get_max_test_processes
+from django.test.utils import NullTimeKeeper, TimeKeeper, get_runner
+
+
+class Command(BaseCommand):
+    help = "Discover and run tests in the specified modules or the current directory."
+
+    # DiscoverRunner runs the checks after databases are set up.
+    requires_system_checks = []
+    test_runner = None
+
+    def run_from_argv(self, argv):
+        """
+        Pre-parse the command line to extract the value of the --testrunner
+        option. This allows a test runner to define additional command line
+        arguments.
+        """
+        self.test_runner = get_command_line_option(argv, "--testrunner")
+        super().run_from_argv(argv)
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "args",
+            metavar="test_label",
+            nargs="*",
+            help=(
+                "Module paths to test; can be modulename, modulename.TestCase or "
+                "modulename.TestCase.test_method"
+            ),
+        )
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Tells Django to NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "--failfast",
+            action="store_true",
+            help="Tells Django to stop running the test suite after first failed test.",
+        )
+        parser.add_argument(
+            "--testrunner",
+            help="Tells Django to use specified test runner class instead of "
+            "the one specified by the TEST_RUNNER setting.",
+        )
+
+        test_runner_class = get_runner(settings, self.test_runner)
+
+        if hasattr(test_runner_class, "add_arguments"):
+            test_runner_class.add_arguments(parser)
+
+    def handle(self, *test_labels, **options):
+        TestRunner = get_runner(settings, options["testrunner"])
+
+        time_keeper = TimeKeeper() if options.get("timing", False) else NullTimeKeeper()
+        parallel = options.get("parallel")
+        if parallel == "auto":
+            options["parallel"] = get_max_test_processes()
+        test_runner = TestRunner(**options)
+        with time_keeper.timed("Total run"):
+            failures = test_runner.run_tests(test_labels)
+        time_keeper.print_results()
+        if failures:
+            sys.exit(1)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/testserver.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/testserver.py
new file mode 100644
index 00000000..a8a03764
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/commands/testserver.py
@@ -0,0 +1,65 @@
+from django.core.management import call_command
+from django.core.management.base import BaseCommand
+from django.db import connection
+
+
+class Command(BaseCommand):
+    help = "Runs a development server with data from the given fixture(s)."
+
+    requires_system_checks = []
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "args",
+            metavar="fixture",
+            nargs="*",
+            help="Path(s) to fixtures to load before running the server.",
+        )
+        parser.add_argument(
+            "--noinput",
+            "--no-input",
+            action="store_false",
+            dest="interactive",
+            help="Tells Django to NOT prompt the user for input of any kind.",
+        )
+        parser.add_argument(
+            "--addrport",
+            default="",
+            help="Port number or ipaddr:port to run the server on.",
+        )
+        parser.add_argument(
+            "--ipv6",
+            "-6",
+            action="store_true",
+            dest="use_ipv6",
+            help="Tells Django to use an IPv6 address.",
+        )
+
+    def handle(self, *fixture_labels, **options):
+        verbosity = options["verbosity"]
+        interactive = options["interactive"]
+
+        # Create a test database.
+        db_name = connection.creation.create_test_db(
+            verbosity=verbosity, autoclobber=not interactive, serialize=False
+        )
+
+        # Import the fixture data into the test database.
+        call_command("loaddata", *fixture_labels, verbosity=verbosity)
+
+        # Run the development server. Turn off auto-reloading because it causes
+        # a strange error -- it causes this handle() method to be called
+        # multiple times.
+        shutdown_message = (
+            "\nServer stopped.\nNote that the test database, %r, has not been "
+            "deleted. You can explore it on your own." % db_name
+        )
+        use_threading = connection.features.test_db_allows_multiple_connections
+        call_command(
+            "runserver",
+            addrport=options["addrport"],
+            shutdown_message=shutdown_message,
+            use_reloader=False,
+            use_ipv6=options["use_ipv6"],
+            use_threading=use_threading,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/sql.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/sql.py
new file mode 100644
index 00000000..2375cc23
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/sql.py
@@ -0,0 +1,59 @@
+import sys
+
+from django.apps import apps
+from django.db import models
+
+
+def sql_flush(style, connection, reset_sequences=True, allow_cascade=False):
+    """
+    Return a list of the SQL statements used to flush the database.
+    """
+    tables = connection.introspection.django_table_names(
+        only_existing=True, include_views=False
+    )
+    return connection.ops.sql_flush(
+        style,
+        tables,
+        reset_sequences=reset_sequences,
+        allow_cascade=allow_cascade,
+    )
+
+
+def emit_pre_migrate_signal(verbosity, interactive, db, **kwargs):
+    # Emit the pre_migrate signal for every application.
+    for app_config in apps.get_app_configs():
+        if app_config.models_module is None:
+            continue
+        if verbosity >= 2:
+            stdout = kwargs.get("stdout", sys.stdout)
+            stdout.write(
+                "Running pre-migrate handlers for application %s" % app_config.label
+            )
+        models.signals.pre_migrate.send(
+            sender=app_config,
+            app_config=app_config,
+            verbosity=verbosity,
+            interactive=interactive,
+            using=db,
+            **kwargs,
+        )
+
+
+def emit_post_migrate_signal(verbosity, interactive, db, **kwargs):
+    # Emit the post_migrate signal for every application.
+    for app_config in apps.get_app_configs():
+        if app_config.models_module is None:
+            continue
+        if verbosity >= 2:
+            stdout = kwargs.get("stdout", sys.stdout)
+            stdout.write(
+                "Running post-migrate handlers for application %s" % app_config.label
+            )
+        models.signals.post_migrate.send(
+            sender=app_config,
+            app_config=app_config,
+            verbosity=verbosity,
+            interactive=interactive,
+            using=db,
+            **kwargs,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/templates.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/templates.py
new file mode 100644
index 00000000..633eed78
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/templates.py
@@ -0,0 +1,402 @@
+import argparse
+import mimetypes
+import os
+import posixpath
+import shutil
+import stat
+import tempfile
+from importlib.util import find_spec
+from urllib.request import build_opener
+
+import django
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+from django.core.management.utils import (
+    find_formatters,
+    handle_extensions,
+    run_formatters,
+)
+from django.template import Context, Engine
+from django.utils import archive
+from django.utils.http import parse_header_parameters
+from django.utils.version import get_docs_version
+
+
+class TemplateCommand(BaseCommand):
+    """
+    Copy either a Django application layout template or a Django project
+    layout template into the specified directory.
+
+    :param style: A color style object (see django.core.management.color).
+    :param app_or_project: The string 'app' or 'project'.
+    :param name: The name of the application or project.
+    :param directory: The directory to which the template should be copied.
+    :param options: The additional variables passed to project or app templates
+    """
+
+    requires_system_checks = []
+    # The supported URL schemes
+    url_schemes = ["http", "https", "ftp"]
+    # Rewrite the following suffixes when determining the target filename.
+    rewrite_template_suffixes = (
+        # Allow shipping invalid .py files without byte-compilation.
+        (".py-tpl", ".py"),
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument("name", help="Name of the application or project.")
+        parser.add_argument(
+            "directory", nargs="?", help="Optional destination directory"
+        )
+        parser.add_argument(
+            "--template", help="The path or URL to load the template from."
+        )
+        parser.add_argument(
+            "--extension",
+            "-e",
+            dest="extensions",
+            action="append",
+            default=["py"],
+            help='The file extension(s) to render (default: "py"). '
+            "Separate multiple extensions with commas, or use "
+            "-e multiple times.",
+        )
+        parser.add_argument(
+            "--name",
+            "-n",
+            dest="files",
+            action="append",
+            default=[],
+            help="The file name(s) to render. Separate multiple file names "
+            "with commas, or use -n multiple times.",
+        )
+        parser.add_argument(
+            "--exclude",
+            "-x",
+            action="append",
+            default=argparse.SUPPRESS,
+            nargs="?",
+            const="",
+            help=(
+                "The directory name(s) to exclude, in addition to .git and "
+                "__pycache__. Can be used multiple times."
+            ),
+        )
+
+    def handle(self, app_or_project, name, target=None, **options):
+        self.app_or_project = app_or_project
+        self.a_or_an = "an" if app_or_project == "app" else "a"
+        self.paths_to_remove = []
+        self.verbosity = options["verbosity"]
+
+        self.validate_name(name)
+
+        # if some directory is given, make sure it's nicely expanded
+        if target is None:
+            top_dir = os.path.join(os.getcwd(), name)
+            try:
+                os.makedirs(top_dir)
+            except FileExistsError:
+                raise CommandError("'%s' already exists" % top_dir)
+            except OSError as e:
+                raise CommandError(e)
+        else:
+            top_dir = os.path.abspath(os.path.expanduser(target))
+            if app_or_project == "app":
+                self.validate_name(os.path.basename(top_dir), "directory")
+            if not os.path.exists(top_dir):
+                raise CommandError(
+                    "Destination directory '%s' does not "
+                    "exist, please create it first." % top_dir
+                )
+
+        # Find formatters, which are external executables, before input
+        # from the templates can sneak into the path.
+        formatter_paths = find_formatters()
+
+        extensions = tuple(handle_extensions(options["extensions"]))
+        extra_files = []
+        excluded_directories = [".git", "__pycache__"]
+        for file in options["files"]:
+            extra_files.extend(map(lambda x: x.strip(), file.split(",")))
+        if exclude := options.get("exclude"):
+            for directory in exclude:
+                excluded_directories.append(directory.strip())
+        if self.verbosity >= 2:
+            self.stdout.write(
+                "Rendering %s template files with extensions: %s"
+                % (app_or_project, ", ".join(extensions))
+            )
+            self.stdout.write(
+                "Rendering %s template files with filenames: %s"
+                % (app_or_project, ", ".join(extra_files))
+            )
+        base_name = "%s_name" % app_or_project
+        base_subdir = "%s_template" % app_or_project
+        base_directory = "%s_directory" % app_or_project
+        camel_case_name = "camel_case_%s_name" % app_or_project
+        camel_case_value = "".join(x for x in name.title() if x != "_")
+
+        context = Context(
+            {
+                **options,
+                base_name: name,
+                base_directory: top_dir,
+                camel_case_name: camel_case_value,
+                "docs_version": get_docs_version(),
+                "django_version": django.__version__,
+            },
+            autoescape=False,
+        )
+
+        # Setup a stub settings environment for template rendering
+        if not settings.configured:
+            settings.configure()
+            django.setup()
+
+        template_dir = self.handle_template(options["template"], base_subdir)
+        prefix_length = len(template_dir) + 1
+
+        for root, dirs, files in os.walk(template_dir):
+            path_rest = root[prefix_length:]
+            relative_dir = path_rest.replace(base_name, name)
+            if relative_dir:
+                target_dir = os.path.join(top_dir, relative_dir)
+                os.makedirs(target_dir, exist_ok=True)
+
+            for dirname in dirs[:]:
+                if "exclude" not in options:
+                    if dirname.startswith(".") or dirname == "__pycache__":
+                        dirs.remove(dirname)
+                elif dirname in excluded_directories:
+                    dirs.remove(dirname)
+
+            for filename in files:
+                if filename.endswith((".pyo", ".pyc", ".py.class")):
+                    # Ignore some files as they cause various breakages.
+                    continue
+                old_path = os.path.join(root, filename)
+                new_path = os.path.join(
+                    top_dir, relative_dir, filename.replace(base_name, name)
+                )
+                for old_suffix, new_suffix in self.rewrite_template_suffixes:
+                    if new_path.endswith(old_suffix):
+                        new_path = new_path.removesuffix(old_suffix) + new_suffix
+                        break  # Only rewrite once
+
+                if os.path.exists(new_path):
+                    raise CommandError(
+                        "%s already exists. Overlaying %s %s into an existing "
+                        "directory won't replace conflicting files."
+                        % (
+                            new_path,
+                            self.a_or_an,
+                            app_or_project,
+                        )
+                    )
+
+                # Only render the Python files, as we don't want to
+                # accidentally render Django templates files
+                if new_path.endswith(extensions) or filename in extra_files:
+                    with open(old_path, encoding="utf-8") as template_file:
+                        content = template_file.read()
+                    template = Engine().from_string(content)
+                    content = template.render(context)
+                    with open(new_path, "w", encoding="utf-8") as new_file:
+                        new_file.write(content)
+                else:
+                    shutil.copyfile(old_path, new_path)
+
+                if self.verbosity >= 2:
+                    self.stdout.write("Creating %s" % new_path)
+                try:
+                    self.apply_umask(old_path, new_path)
+                    self.make_writeable(new_path)
+                except OSError:
+                    self.stderr.write(
+                        "Notice: Couldn't set permission bits on %s. You're "
+                        "probably using an uncommon filesystem setup. No "
+                        "problem." % new_path,
+                        self.style.NOTICE,
+                    )
+
+        if self.paths_to_remove:
+            if self.verbosity >= 2:
+                self.stdout.write("Cleaning up temporary files.")
+            for path_to_remove in self.paths_to_remove:
+                if os.path.isfile(path_to_remove):
+                    os.remove(path_to_remove)
+                else:
+                    shutil.rmtree(path_to_remove)
+
+        run_formatters([top_dir], **formatter_paths)
+
+    def handle_template(self, template, subdir):
+        """
+        Determine where the app or project templates are.
+        Use django.__path__[0] as the default because the Django install
+        directory isn't known.
+        """
+        if template is None:
+            return os.path.join(django.__path__[0], "conf", subdir)
+        else:
+            template = template.removeprefix("file://")
+            expanded_template = os.path.expanduser(template)
+            expanded_template = os.path.normpath(expanded_template)
+            if os.path.isdir(expanded_template):
+                return expanded_template
+            if self.is_url(template):
+                # downloads the file and returns the path
+                absolute_path = self.download(template)
+            else:
+                absolute_path = os.path.abspath(expanded_template)
+            if os.path.exists(absolute_path):
+                return self.extract(absolute_path)
+
+        raise CommandError(
+            "couldn't handle %s template %s." % (self.app_or_project, template)
+        )
+
+    def validate_name(self, name, name_or_dir="name"):
+        if name is None:
+            raise CommandError(
+                "you must provide {an} {app} name".format(
+                    an=self.a_or_an,
+                    app=self.app_or_project,
+                )
+            )
+        # Check it's a valid directory name.
+        if not name.isidentifier():
+            raise CommandError(
+                "'{name}' is not a valid {app} {type}. Please make sure the "
+                "{type} is a valid identifier.".format(
+                    name=name,
+                    app=self.app_or_project,
+                    type=name_or_dir,
+                )
+            )
+        # Check that __spec__ doesn't exist.
+        if find_spec(name) is not None:
+            raise CommandError(
+                "'{name}' conflicts with the name of an existing Python "
+                "module and cannot be used as {an} {app} {type}. Please try "
+                "another {type}.".format(
+                    name=name,
+                    an=self.a_or_an,
+                    app=self.app_or_project,
+                    type=name_or_dir,
+                )
+            )
+
+    def download(self, url):
+        """
+        Download the given URL and return the file name.
+        """
+
+        def cleanup_url(url):
+            tmp = url.rstrip("/")
+            filename = tmp.split("/")[-1]
+            if url.endswith("/"):
+                display_url = tmp + "/"
+            else:
+                display_url = url
+            return filename, display_url
+
+        prefix = "django_%s_template_" % self.app_or_project
+        tempdir = tempfile.mkdtemp(prefix=prefix, suffix="_download")
+        self.paths_to_remove.append(tempdir)
+        filename, display_url = cleanup_url(url)
+
+        if self.verbosity >= 2:
+            self.stdout.write("Downloading %s" % display_url)
+
+        the_path = os.path.join(tempdir, filename)
+        opener = build_opener()
+        opener.addheaders = [("User-Agent", f"Django/{django.__version__}")]
+        try:
+            with opener.open(url) as source, open(the_path, "wb") as target:
+                headers = source.info()
+                target.write(source.read())
+        except OSError as e:
+            raise CommandError(
+                "couldn't download URL %s to %s: %s" % (url, filename, e)
+            )
+
+        used_name = the_path.split("/")[-1]
+
+        # Trying to get better name from response headers
+        content_disposition = headers["content-disposition"]
+        if content_disposition:
+            _, params = parse_header_parameters(content_disposition)
+            guessed_filename = params.get("filename") or used_name
+        else:
+            guessed_filename = used_name
+
+        # Falling back to content type guessing
+        ext = self.splitext(guessed_filename)[1]
+        content_type = headers["content-type"]
+        if not ext and content_type:
+            ext = mimetypes.guess_extension(content_type)
+            if ext:
+                guessed_filename += ext
+
+        # Move the temporary file to a filename that has better
+        # chances of being recognized by the archive utils
+        if used_name != guessed_filename:
+            guessed_path = os.path.join(tempdir, guessed_filename)
+            shutil.move(the_path, guessed_path)
+            return guessed_path
+
+        # Giving up
+        return the_path
+
+    def splitext(self, the_path):
+        """
+        Like os.path.splitext, but takes off .tar, too
+        """
+        base, ext = posixpath.splitext(the_path)
+        if base.lower().endswith(".tar"):
+            ext = base[-4:] + ext
+            base = base[:-4]
+        return base, ext
+
+    def extract(self, filename):
+        """
+        Extract the given file to a temporary directory and return
+        the path of the directory with the extracted content.
+        """
+        prefix = "django_%s_template_" % self.app_or_project
+        tempdir = tempfile.mkdtemp(prefix=prefix, suffix="_extract")
+        self.paths_to_remove.append(tempdir)
+        if self.verbosity >= 2:
+            self.stdout.write("Extracting %s" % filename)
+        try:
+            archive.extract(filename, tempdir)
+            return tempdir
+        except (archive.ArchiveException, OSError) as e:
+            raise CommandError(
+                "couldn't extract file %s to %s: %s" % (filename, tempdir, e)
+            )
+
+    def is_url(self, template):
+        """Return True if the name looks like a URL."""
+        if ":" not in template:
+            return False
+        scheme = template.split(":", 1)[0].lower()
+        return scheme in self.url_schemes
+
+    def apply_umask(self, old_path, new_path):
+        current_umask = os.umask(0)
+        os.umask(current_umask)
+        current_mode = stat.S_IMODE(os.stat(old_path).st_mode)
+        os.chmod(new_path, current_mode & ~current_umask)
+
+    def make_writeable(self, filename):
+        """
+        Make sure that the file is writeable.
+        Useful if our source is read-only.
+        """
+        if not os.access(filename, os.W_OK):
+            st = os.stat(filename)
+            new_permissions = stat.S_IMODE(st.st_mode) | stat.S_IWUSR
+            os.chmod(filename, new_permissions)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/utils.py
new file mode 100644
index 00000000..fca61f2c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/management/utils.py
@@ -0,0 +1,175 @@
+import fnmatch
+import os
+import shutil
+import subprocess
+from pathlib import Path
+from subprocess import run
+
+from django.apps import apps as installed_apps
+from django.utils.crypto import get_random_string
+from django.utils.encoding import DEFAULT_LOCALE_ENCODING
+
+from .base import CommandError, CommandParser
+
+
+def popen_wrapper(args, stdout_encoding="utf-8"):
+    """
+    Friendly wrapper around Popen.
+
+    Return stdout output, stderr output, and OS status code.
+    """
+    try:
+        p = run(args, capture_output=True, close_fds=os.name != "nt")
+    except OSError as err:
+        raise CommandError("Error executing %s" % args[0]) from err
+    return (
+        p.stdout.decode(stdout_encoding),
+        p.stderr.decode(DEFAULT_LOCALE_ENCODING, errors="replace"),
+        p.returncode,
+    )
+
+
+def handle_extensions(extensions):
+    """
+    Organize multiple extensions that are separated with commas or passed by
+    using --extension/-e multiple times.
+
+    For example: running 'django-admin makemessages -e js,txt -e xhtml -a'
+    would result in an extension list: ['.js', '.txt', '.xhtml']
+
+    >>> handle_extensions(['.html', 'html,js,py,py,py,.py', 'py,.py'])
+    {'.html', '.js', '.py'}
+    >>> handle_extensions(['.html, txt,.tpl'])
+    {'.html', '.tpl', '.txt'}
+    """
+    ext_list = []
+    for ext in extensions:
+        ext_list.extend(ext.replace(" ", "").split(","))
+    for i, ext in enumerate(ext_list):
+        if not ext.startswith("."):
+            ext_list[i] = ".%s" % ext_list[i]
+    return set(ext_list)
+
+
+def find_command(cmd, path=None, pathext=None):
+    if path is None:
+        path = os.environ.get("PATH", "").split(os.pathsep)
+    if isinstance(path, str):
+        path = [path]
+    # check if there are funny path extensions for executables, e.g. Windows
+    if pathext is None:
+        pathext = os.environ.get("PATHEXT", ".COM;.EXE;.BAT;.CMD").split(os.pathsep)
+    # don't use extensions if the command ends with one of them
+    for ext in pathext:
+        if cmd.endswith(ext):
+            pathext = [""]
+            break
+    # check if we find the command on PATH
+    for p in path:
+        f = os.path.join(p, cmd)
+        if os.path.isfile(f):
+            return f
+        for ext in pathext:
+            fext = f + ext
+            if os.path.isfile(fext):
+                return fext
+    return None
+
+
+def get_random_secret_key():
+    """
+    Return a 50 character random string usable as a SECRET_KEY setting value.
+    """
+    chars = "abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)"
+    return get_random_string(50, chars)
+
+
+def parse_apps_and_model_labels(labels):
+    """
+    Parse a list of "app_label.ModelName" or "app_label" strings into actual
+    objects and return a two-element tuple:
+        (set of model classes, set of app_configs).
+    Raise a CommandError if some specified models or apps don't exist.
+    """
+    apps = set()
+    models = set()
+
+    for label in labels:
+        if "." in label:
+            try:
+                model = installed_apps.get_model(label)
+            except LookupError:
+                raise CommandError("Unknown model: %s" % label)
+            models.add(model)
+        else:
+            try:
+                app_config = installed_apps.get_app_config(label)
+            except LookupError as e:
+                raise CommandError(str(e))
+            apps.add(app_config)
+
+    return models, apps
+
+
+def get_command_line_option(argv, option):
+    """
+    Return the value of a command line option (which should include leading
+    dashes, e.g. '--testrunner') from an argument list. Return None if the
+    option wasn't passed or if the argument list couldn't be parsed.
+    """
+    parser = CommandParser(add_help=False, allow_abbrev=False)
+    parser.add_argument(option, dest="value")
+    try:
+        options, _ = parser.parse_known_args(argv[2:])
+    except CommandError:
+        return None
+    else:
+        return options.value
+
+
+def normalize_path_patterns(patterns):
+    """Normalize an iterable of glob style patterns based on OS."""
+    patterns = [os.path.normcase(p) for p in patterns]
+    dir_suffixes = {"%s*" % path_sep for path_sep in {"/", os.sep}}
+    norm_patterns = []
+    for pattern in patterns:
+        for dir_suffix in dir_suffixes:
+            if pattern.endswith(dir_suffix):
+                norm_patterns.append(pattern.removesuffix(dir_suffix))
+                break
+        else:
+            norm_patterns.append(pattern)
+    return norm_patterns
+
+
+def is_ignored_path(path, ignore_patterns):
+    """
+    Check if the given path should be ignored or not based on matching
+    one of the glob style `ignore_patterns`.
+    """
+    path = Path(path)
+
+    def ignore(pattern):
+        return fnmatch.fnmatchcase(path.name, pattern) or fnmatch.fnmatchcase(
+            str(path), pattern
+        )
+
+    return any(ignore(pattern) for pattern in normalize_path_patterns(ignore_patterns))
+
+
+def find_formatters():
+    return {"black_path": shutil.which("black")}
+
+
+def run_formatters(written_files, black_path=(sentinel := object())):
+    """
+    Run the black formatter on the specified files.
+    """
+    # Use a sentinel rather than None, as which() returns None when not found.
+    if black_path is sentinel:
+        black_path = shutil.which("black")
+    if black_path:
+        subprocess.run(
+            [black_path, "--fast", "--", *written_files],
+            capture_output=True,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/paginator.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/paginator.py
new file mode 100644
index 00000000..7b3189cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/paginator.py
@@ -0,0 +1,238 @@
+import collections.abc
+import inspect
+import warnings
+from math import ceil
+
+from django.utils.functional import cached_property
+from django.utils.inspect import method_has_no_args
+from django.utils.translation import gettext_lazy as _
+
+
+class UnorderedObjectListWarning(RuntimeWarning):
+    pass
+
+
+class InvalidPage(Exception):
+    pass
+
+
+class PageNotAnInteger(InvalidPage):
+    pass
+
+
+class EmptyPage(InvalidPage):
+    pass
+
+
+class Paginator:
+    # Translators: String used to replace omitted page numbers in elided page
+    # range generated by paginators, e.g. [1, 2, '…', 5, 6, 7, '…', 9, 10].
+    ELLIPSIS = _("…")
+    default_error_messages = {
+        "invalid_page": _("That page number is not an integer"),
+        "min_page": _("That page number is less than 1"),
+        "no_results": _("That page contains no results"),
+    }
+
+    def __init__(
+        self,
+        object_list,
+        per_page,
+        orphans=0,
+        allow_empty_first_page=True,
+        error_messages=None,
+    ):
+        self.object_list = object_list
+        self._check_object_list_is_ordered()
+        self.per_page = int(per_page)
+        self.orphans = int(orphans)
+        self.allow_empty_first_page = allow_empty_first_page
+        self.error_messages = (
+            self.default_error_messages
+            if error_messages is None
+            else self.default_error_messages | error_messages
+        )
+
+    def __iter__(self):
+        for page_number in self.page_range:
+            yield self.page(page_number)
+
+    def validate_number(self, number):
+        """Validate the given 1-based page number."""
+        try:
+            if isinstance(number, float) and not number.is_integer():
+                raise ValueError
+            number = int(number)
+        except (TypeError, ValueError):
+            raise PageNotAnInteger(self.error_messages["invalid_page"])
+        if number < 1:
+            raise EmptyPage(self.error_messages["min_page"])
+        if number > self.num_pages:
+            raise EmptyPage(self.error_messages["no_results"])
+        return number
+
+    def get_page(self, number):
+        """
+        Return a valid page, even if the page argument isn't a number or isn't
+        in range.
+        """
+        try:
+            number = self.validate_number(number)
+        except PageNotAnInteger:
+            number = 1
+        except EmptyPage:
+            number = self.num_pages
+        return self.page(number)
+
+    def page(self, number):
+        """Return a Page object for the given 1-based page number."""
+        number = self.validate_number(number)
+        bottom = (number - 1) * self.per_page
+        top = bottom + self.per_page
+        if top + self.orphans >= self.count:
+            top = self.count
+        return self._get_page(self.object_list[bottom:top], number, self)
+
+    def _get_page(self, *args, **kwargs):
+        """
+        Return an instance of a single page.
+
+        This hook can be used by subclasses to use an alternative to the
+        standard :cls:`Page` object.
+        """
+        return Page(*args, **kwargs)
+
+    @cached_property
+    def count(self):
+        """Return the total number of objects, across all pages."""
+        c = getattr(self.object_list, "count", None)
+        if callable(c) and not inspect.isbuiltin(c) and method_has_no_args(c):
+            return c()
+        return len(self.object_list)
+
+    @cached_property
+    def num_pages(self):
+        """Return the total number of pages."""
+        if self.count == 0 and not self.allow_empty_first_page:
+            return 0
+        hits = max(1, self.count - self.orphans)
+        return ceil(hits / self.per_page)
+
+    @property
+    def page_range(self):
+        """
+        Return a 1-based range of pages for iterating through within
+        a template for loop.
+        """
+        return range(1, self.num_pages + 1)
+
+    def _check_object_list_is_ordered(self):
+        """
+        Warn if self.object_list is unordered (typically a QuerySet).
+        """
+        ordered = getattr(self.object_list, "ordered", None)
+        if ordered is not None and not ordered:
+            obj_list_repr = (
+                "{} {}".format(
+                    self.object_list.model, self.object_list.__class__.__name__
+                )
+                if hasattr(self.object_list, "model")
+                else "{!r}".format(self.object_list)
+            )
+            warnings.warn(
+                "Pagination may yield inconsistent results with an unordered "
+                "object_list: {}.".format(obj_list_repr),
+                UnorderedObjectListWarning,
+                stacklevel=3,
+            )
+
+    def get_elided_page_range(self, number=1, *, on_each_side=3, on_ends=2):
+        """
+        Return a 1-based range of pages with some values elided.
+
+        If the page range is larger than a given size, the whole range is not
+        provided and a compact form is returned instead, e.g. for a paginator
+        with 50 pages, if page 43 were the current page, the output, with the
+        default arguments, would be:
+
+            1, 2, …, 40, 41, 42, 43, 44, 45, 46, …, 49, 50.
+        """
+        number = self.validate_number(number)
+
+        if self.num_pages <= (on_each_side + on_ends) * 2:
+            yield from self.page_range
+            return
+
+        if number > (1 + on_each_side + on_ends) + 1:
+            yield from range(1, on_ends + 1)
+            yield self.ELLIPSIS
+            yield from range(number - on_each_side, number + 1)
+        else:
+            yield from range(1, number + 1)
+
+        if number < (self.num_pages - on_each_side - on_ends) - 1:
+            yield from range(number + 1, number + on_each_side + 1)
+            yield self.ELLIPSIS
+            yield from range(self.num_pages - on_ends + 1, self.num_pages + 1)
+        else:
+            yield from range(number + 1, self.num_pages + 1)
+
+
+class Page(collections.abc.Sequence):
+    def __init__(self, object_list, number, paginator):
+        self.object_list = object_list
+        self.number = number
+        self.paginator = paginator
+
+    def __repr__(self):
+        return "<Page %s of %s>" % (self.number, self.paginator.num_pages)
+
+    def __len__(self):
+        return len(self.object_list)
+
+    def __getitem__(self, index):
+        if not isinstance(index, (int, slice)):
+            raise TypeError(
+                "Page indices must be integers or slices, not %s."
+                % type(index).__name__
+            )
+        # The object_list is converted to a list so that if it was a QuerySet
+        # it won't be a database hit per __getitem__.
+        if not isinstance(self.object_list, list):
+            self.object_list = list(self.object_list)
+        return self.object_list[index]
+
+    def has_next(self):
+        return self.number < self.paginator.num_pages
+
+    def has_previous(self):
+        return self.number > 1
+
+    def has_other_pages(self):
+        return self.has_previous() or self.has_next()
+
+    def next_page_number(self):
+        return self.paginator.validate_number(self.number + 1)
+
+    def previous_page_number(self):
+        return self.paginator.validate_number(self.number - 1)
+
+    def start_index(self):
+        """
+        Return the 1-based index of the first object on this page,
+        relative to total objects in the paginator.
+        """
+        # Special case, return zero if no items.
+        if self.paginator.count == 0:
+            return 0
+        return (self.paginator.per_page * (self.number - 1)) + 1
+
+    def end_index(self):
+        """
+        Return the 1-based index of the last object on this page,
+        relative to total objects found (hits).
+        """
+        # Special case for the last page because there can be orphans.
+        if self.number == self.paginator.num_pages:
+            return self.paginator.count
+        return self.number * self.paginator.per_page
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/__init__.py
new file mode 100644
index 00000000..480c54b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/__init__.py
@@ -0,0 +1,254 @@
+"""
+Interfaces for serializing Django objects.
+
+Usage::
+
+    from django.core import serializers
+    json = serializers.serialize("json", some_queryset)
+    objects = list(serializers.deserialize("json", json))
+
+To add your own serializers, use the SERIALIZATION_MODULES setting::
+
+    SERIALIZATION_MODULES = {
+        "csv": "path.to.csv.serializer",
+        "txt": "path.to.txt.serializer",
+    }
+
+"""
+
+import importlib
+
+from django.apps import apps
+from django.conf import settings
+from django.core.serializers.base import SerializerDoesNotExist
+
+# Built-in serializers
+BUILTIN_SERIALIZERS = {
+    "xml": "django.core.serializers.xml_serializer",
+    "python": "django.core.serializers.python",
+    "json": "django.core.serializers.json",
+    "yaml": "django.core.serializers.pyyaml",
+    "jsonl": "django.core.serializers.jsonl",
+}
+
+_serializers = {}
+
+
+class BadSerializer:
+    """
+    Stub serializer to hold exception raised during registration
+
+    This allows the serializer registration to cache serializers and if there
+    is an error raised in the process of creating a serializer it will be
+    raised and passed along to the caller when the serializer is used.
+    """
+
+    internal_use_only = False
+
+    def __init__(self, exception):
+        self.exception = exception
+
+    def __call__(self, *args, **kwargs):
+        raise self.exception
+
+
+def register_serializer(format, serializer_module, serializers=None):
+    """Register a new serializer.
+
+    ``serializer_module`` should be the fully qualified module name
+    for the serializer.
+
+    If ``serializers`` is provided, the registration will be added
+    to the provided dictionary.
+
+    If ``serializers`` is not provided, the registration will be made
+    directly into the global register of serializers. Adding serializers
+    directly is not a thread-safe operation.
+    """
+    if serializers is None and not _serializers:
+        _load_serializers()
+
+    try:
+        module = importlib.import_module(serializer_module)
+    except ImportError as exc:
+        bad_serializer = BadSerializer(exc)
+
+        module = type(
+            "BadSerializerModule",
+            (),
+            {
+                "Deserializer": bad_serializer,
+                "Serializer": bad_serializer,
+            },
+        )
+
+    if serializers is None:
+        _serializers[format] = module
+    else:
+        serializers[format] = module
+
+
+def unregister_serializer(format):
+    "Unregister a given serializer. This is not a thread-safe operation."
+    if not _serializers:
+        _load_serializers()
+    if format not in _serializers:
+        raise SerializerDoesNotExist(format)
+    del _serializers[format]
+
+
+def get_serializer(format):
+    if not _serializers:
+        _load_serializers()
+    if format not in _serializers:
+        raise SerializerDoesNotExist(format)
+    return _serializers[format].Serializer
+
+
+def get_serializer_formats():
+    if not _serializers:
+        _load_serializers()
+    return list(_serializers)
+
+
+def get_public_serializer_formats():
+    if not _serializers:
+        _load_serializers()
+    return [k for k, v in _serializers.items() if not v.Serializer.internal_use_only]
+
+
+def get_deserializer(format):
+    if not _serializers:
+        _load_serializers()
+    if format not in _serializers:
+        raise SerializerDoesNotExist(format)
+    return _serializers[format].Deserializer
+
+
+def serialize(format, queryset, **options):
+    """
+    Serialize a queryset (or any iterator that returns database objects) using
+    a certain serializer.
+    """
+    s = get_serializer(format)()
+    s.serialize(queryset, **options)
+    return s.getvalue()
+
+
+def deserialize(format, stream_or_string, **options):
+    """
+    Deserialize a stream or a string. Return an iterator that yields ``(obj,
+    m2m_relation_dict)``, where ``obj`` is an instantiated -- but *unsaved* --
+    object, and ``m2m_relation_dict`` is a dictionary of ``{m2m_field_name :
+    list_of_related_objects}``.
+    """
+    d = get_deserializer(format)
+    return d(stream_or_string, **options)
+
+
+def _load_serializers():
+    """
+    Register built-in and settings-defined serializers. This is done lazily so
+    that user code has a chance to (e.g.) set up custom settings without
+    needing to be careful of import order.
+    """
+    global _serializers
+    serializers = {}
+    for format in BUILTIN_SERIALIZERS:
+        register_serializer(format, BUILTIN_SERIALIZERS[format], serializers)
+    if hasattr(settings, "SERIALIZATION_MODULES"):
+        for format in settings.SERIALIZATION_MODULES:
+            register_serializer(
+                format, settings.SERIALIZATION_MODULES[format], serializers
+            )
+    _serializers = serializers
+
+
+def sort_dependencies(app_list, allow_cycles=False):
+    """Sort a list of (app_config, models) pairs into a single list of models.
+
+    The single list of models is sorted so that any model with a natural key
+    is serialized before a normal model, and any model with a natural key
+    dependency has it's dependencies serialized first.
+
+    If allow_cycles is True, return the best-effort ordering that will respect
+    most of dependencies but ignore some of them to break the cycles.
+    """
+    # Process the list of models, and get the list of dependencies
+    model_dependencies = []
+    models = set()
+    for app_config, model_list in app_list:
+        if model_list is None:
+            model_list = app_config.get_models()
+
+        for model in model_list:
+            models.add(model)
+            # Add any explicitly defined dependencies
+            if hasattr(model, "natural_key"):
+                deps = getattr(model.natural_key, "dependencies", [])
+                if deps:
+                    deps = [apps.get_model(dep) for dep in deps]
+            else:
+                deps = []
+
+            # Now add a dependency for any FK relation with a model that
+            # defines a natural key
+            for field in model._meta.fields:
+                if field.remote_field:
+                    rel_model = field.remote_field.model
+                    if hasattr(rel_model, "natural_key") and rel_model != model:
+                        deps.append(rel_model)
+            # Also add a dependency for any simple M2M relation with a model
+            # that defines a natural key.  M2M relations with explicit through
+            # models don't count as dependencies.
+            for field in model._meta.many_to_many:
+                if field.remote_field.through._meta.auto_created:
+                    rel_model = field.remote_field.model
+                    if hasattr(rel_model, "natural_key") and rel_model != model:
+                        deps.append(rel_model)
+            model_dependencies.append((model, deps))
+
+    model_dependencies.reverse()
+    # Now sort the models to ensure that dependencies are met. This
+    # is done by repeatedly iterating over the input list of models.
+    # If all the dependencies of a given model are in the final list,
+    # that model is promoted to the end of the final list. This process
+    # continues until the input list is empty, or we do a full iteration
+    # over the input models without promoting a model to the final list.
+    # If we do a full iteration without a promotion, that means there are
+    # circular dependencies in the list.
+    model_list = []
+    while model_dependencies:
+        skipped = []
+        changed = False
+        while model_dependencies:
+            model, deps = model_dependencies.pop()
+
+            # If all of the models in the dependency list are either already
+            # on the final model list, or not on the original serialization list,
+            # then we've found another model with all it's dependencies satisfied.
+            if all(d not in models or d in model_list for d in deps):
+                model_list.append(model)
+                changed = True
+            else:
+                skipped.append((model, deps))
+        if not changed:
+            if allow_cycles:
+                # If cycles are allowed, add the last skipped model and ignore
+                # its dependencies. This could be improved by some graph
+                # analysis to ignore as few dependencies as possible.
+                model, _ = skipped.pop()
+                model_list.append(model)
+            else:
+                raise RuntimeError(
+                    "Can't resolve dependencies for %s in serialized app list."
+                    % ", ".join(
+                        model._meta.label
+                        for model, deps in sorted(
+                            skipped, key=lambda obj: obj[0].__name__
+                        )
+                    ),
+                )
+        model_dependencies = skipped
+
+    return model_list
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/base.py
new file mode 100644
index 00000000..1fbca924
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/base.py
@@ -0,0 +1,387 @@
+"""
+Module for abstract serializer/unserializer base classes.
+"""
+
+from io import StringIO
+
+from django.core.exceptions import ObjectDoesNotExist
+from django.db import models
+
+DEFER_FIELD = object()
+
+
+class SerializerDoesNotExist(KeyError):
+    """The requested serializer was not found."""
+
+    pass
+
+
+class SerializationError(Exception):
+    """Something bad happened during serialization."""
+
+    pass
+
+
+class DeserializationError(Exception):
+    """Something bad happened during deserialization."""
+
+    @classmethod
+    def WithData(cls, original_exc, model, fk, field_value):
+        """
+        Factory method for creating a deserialization error which has a more
+        explanatory message.
+        """
+        return cls(
+            "%s: (%s:pk=%s) field_value was '%s'"
+            % (original_exc, model, fk, field_value)
+        )
+
+
+class M2MDeserializationError(Exception):
+    """Something bad happened during deserialization of a ManyToManyField."""
+
+    def __init__(self, original_exc, pk):
+        self.original_exc = original_exc
+        self.pk = pk
+
+
+class ProgressBar:
+    progress_width = 75
+
+    def __init__(self, output, total_count):
+        self.output = output
+        self.total_count = total_count
+        self.prev_done = 0
+
+    def update(self, count):
+        if not self.output:
+            return
+        perc = count * 100 // self.total_count
+        done = perc * self.progress_width // 100
+        if self.prev_done >= done:
+            return
+        self.prev_done = done
+        cr = "" if self.total_count == 1 else "\r"
+        self.output.write(
+            cr + "[" + "." * done + " " * (self.progress_width - done) + "]"
+        )
+        if done == self.progress_width:
+            self.output.write("\n")
+        self.output.flush()
+
+
+class Serializer:
+    """
+    Abstract serializer base class.
+    """
+
+    # Indicates if the implemented serializer is only available for
+    # internal Django use.
+    internal_use_only = False
+    progress_class = ProgressBar
+    stream_class = StringIO
+
+    def serialize(
+        self,
+        queryset,
+        *,
+        stream=None,
+        fields=None,
+        use_natural_foreign_keys=False,
+        use_natural_primary_keys=False,
+        progress_output=None,
+        object_count=0,
+        **options,
+    ):
+        """
+        Serialize a queryset.
+        """
+        self.options = options
+
+        self.stream = stream if stream is not None else self.stream_class()
+        self.selected_fields = fields
+        self.use_natural_foreign_keys = use_natural_foreign_keys
+        self.use_natural_primary_keys = use_natural_primary_keys
+        progress_bar = self.progress_class(progress_output, object_count)
+
+        self.start_serialization()
+        self.first = True
+        for count, obj in enumerate(queryset, start=1):
+            self.start_object(obj)
+            # Use the concrete parent class' _meta instead of the object's _meta
+            # This is to avoid local_fields problems for proxy models. Refs #17717.
+            concrete_model = obj._meta.concrete_model
+            # When using natural primary keys, retrieve the pk field of the
+            # parent for multi-table inheritance child models. That field must
+            # be serialized, otherwise deserialization isn't possible.
+            if self.use_natural_primary_keys:
+                pk = concrete_model._meta.pk
+                pk_parent = (
+                    pk if pk.remote_field and pk.remote_field.parent_link else None
+                )
+            else:
+                pk_parent = None
+            for field in concrete_model._meta.local_fields:
+                if field.serialize or field is pk_parent:
+                    if field.remote_field is None:
+                        if (
+                            self.selected_fields is None
+                            or field.attname in self.selected_fields
+                        ):
+                            self.handle_field(obj, field)
+                    else:
+                        if (
+                            self.selected_fields is None
+                            or field.attname[:-3] in self.selected_fields
+                        ):
+                            self.handle_fk_field(obj, field)
+            for field in concrete_model._meta.local_many_to_many:
+                if field.serialize:
+                    if (
+                        self.selected_fields is None
+                        or field.attname in self.selected_fields
+                    ):
+                        self.handle_m2m_field(obj, field)
+            self.end_object(obj)
+            progress_bar.update(count)
+            self.first = self.first and False
+        self.end_serialization()
+        return self.getvalue()
+
+    def start_serialization(self):
+        """
+        Called when serializing of the queryset starts.
+        """
+        raise NotImplementedError(
+            "subclasses of Serializer must provide a start_serialization() method"
+        )
+
+    def end_serialization(self):
+        """
+        Called when serializing of the queryset ends.
+        """
+        pass
+
+    def start_object(self, obj):
+        """
+        Called when serializing of an object starts.
+        """
+        raise NotImplementedError(
+            "subclasses of Serializer must provide a start_object() method"
+        )
+
+    def end_object(self, obj):
+        """
+        Called when serializing of an object ends.
+        """
+        pass
+
+    def handle_field(self, obj, field):
+        """
+        Called to handle each individual (non-relational) field on an object.
+        """
+        raise NotImplementedError(
+            "subclasses of Serializer must provide a handle_field() method"
+        )
+
+    def handle_fk_field(self, obj, field):
+        """
+        Called to handle a ForeignKey field.
+        """
+        raise NotImplementedError(
+            "subclasses of Serializer must provide a handle_fk_field() method"
+        )
+
+    def handle_m2m_field(self, obj, field):
+        """
+        Called to handle a ManyToManyField.
+        """
+        raise NotImplementedError(
+            "subclasses of Serializer must provide a handle_m2m_field() method"
+        )
+
+    def getvalue(self):
+        """
+        Return the fully serialized queryset (or None if the output stream is
+        not seekable).
+        """
+        if callable(getattr(self.stream, "getvalue", None)):
+            return self.stream.getvalue()
+
+
+class Deserializer:
+    """
+    Abstract base deserializer class.
+    """
+
+    def __init__(self, stream_or_string, **options):
+        """
+        Init this serializer given a stream or a string
+        """
+        self.options = options
+        if isinstance(stream_or_string, str):
+            self.stream = StringIO(stream_or_string)
+        else:
+            self.stream = stream_or_string
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        """Iteration interface -- return the next item in the stream"""
+        raise NotImplementedError(
+            "subclasses of Deserializer must provide a __next__() method"
+        )
+
+
+class DeserializedObject:
+    """
+    A deserialized model.
+
+    Basically a container for holding the pre-saved deserialized data along
+    with the many-to-many data saved with the object.
+
+    Call ``save()`` to save the object (with the many-to-many data) to the
+    database; call ``save(save_m2m=False)`` to save just the object fields
+    (and not touch the many-to-many stuff.)
+    """
+
+    def __init__(self, obj, m2m_data=None, deferred_fields=None):
+        self.object = obj
+        self.m2m_data = m2m_data
+        self.deferred_fields = deferred_fields
+
+    def __repr__(self):
+        return "<%s: %s(pk=%s)>" % (
+            self.__class__.__name__,
+            self.object._meta.label,
+            self.object.pk,
+        )
+
+    def save(self, save_m2m=True, using=None, **kwargs):
+        # Call save on the Model baseclass directly. This bypasses any
+        # model-defined save. The save is also forced to be raw.
+        # raw=True is passed to any pre/post_save signals.
+        models.Model.save_base(self.object, using=using, raw=True, **kwargs)
+        if self.m2m_data and save_m2m:
+            for accessor_name, object_list in self.m2m_data.items():
+                getattr(self.object, accessor_name).set(object_list)
+
+        # prevent a second (possibly accidental) call to save() from saving
+        # the m2m data twice.
+        self.m2m_data = None
+
+    def save_deferred_fields(self, using=None):
+        self.m2m_data = {}
+        for field, field_value in self.deferred_fields.items():
+            opts = self.object._meta
+            label = opts.app_label + "." + opts.model_name
+            if isinstance(field.remote_field, models.ManyToManyRel):
+                try:
+                    values = deserialize_m2m_values(
+                        field, field_value, using, handle_forward_references=False
+                    )
+                except M2MDeserializationError as e:
+                    raise DeserializationError.WithData(
+                        e.original_exc, label, self.object.pk, e.pk
+                    )
+                self.m2m_data[field.name] = values
+            elif isinstance(field.remote_field, models.ManyToOneRel):
+                try:
+                    value = deserialize_fk_value(
+                        field, field_value, using, handle_forward_references=False
+                    )
+                except Exception as e:
+                    raise DeserializationError.WithData(
+                        e, label, self.object.pk, field_value
+                    )
+                setattr(self.object, field.attname, value)
+        self.save()
+
+
+def build_instance(Model, data, db):
+    """
+    Build a model instance.
+
+    If the model instance doesn't have a primary key and the model supports
+    natural keys, try to retrieve it from the database.
+    """
+    default_manager = Model._meta.default_manager
+    pk = data.get(Model._meta.pk.attname)
+    if (
+        pk is None
+        and hasattr(default_manager, "get_by_natural_key")
+        and hasattr(Model, "natural_key")
+    ):
+        obj = Model(**data)
+        obj._state.db = db
+        natural_key = obj.natural_key()
+        try:
+            data[Model._meta.pk.attname] = Model._meta.pk.to_python(
+                default_manager.db_manager(db).get_by_natural_key(*natural_key).pk
+            )
+        except Model.DoesNotExist:
+            pass
+    return Model(**data)
+
+
+def deserialize_m2m_values(field, field_value, using, handle_forward_references):
+    model = field.remote_field.model
+    if hasattr(model._default_manager, "get_by_natural_key"):
+
+        def m2m_convert(value):
+            if hasattr(value, "__iter__") and not isinstance(value, str):
+                return (
+                    model._default_manager.db_manager(using)
+                    .get_by_natural_key(*value)
+                    .pk
+                )
+            else:
+                return model._meta.pk.to_python(value)
+
+    else:
+
+        def m2m_convert(v):
+            return model._meta.pk.to_python(v)
+
+    try:
+        pks_iter = iter(field_value)
+    except TypeError as e:
+        raise M2MDeserializationError(e, field_value)
+    try:
+        values = []
+        for pk in pks_iter:
+            values.append(m2m_convert(pk))
+        return values
+    except Exception as e:
+        if isinstance(e, ObjectDoesNotExist) and handle_forward_references:
+            return DEFER_FIELD
+        else:
+            raise M2MDeserializationError(e, pk)
+
+
+def deserialize_fk_value(field, field_value, using, handle_forward_references):
+    if field_value is None:
+        return None
+    model = field.remote_field.model
+    default_manager = model._default_manager
+    field_name = field.remote_field.field_name
+    if (
+        hasattr(default_manager, "get_by_natural_key")
+        and hasattr(field_value, "__iter__")
+        and not isinstance(field_value, str)
+    ):
+        try:
+            obj = default_manager.db_manager(using).get_by_natural_key(*field_value)
+        except ObjectDoesNotExist:
+            if handle_forward_references:
+                return DEFER_FIELD
+            else:
+                raise
+        value = getattr(obj, field_name)
+        # If this is a natural foreign key to an object that has a FK/O2O as
+        # the foreign key, use the FK value.
+        if model._meta.pk.remote_field:
+            value = value.pk
+        return value
+    return model._meta.get_field(field_name).to_python(field_value)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/json.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/json.py
new file mode 100644
index 00000000..afac8214
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/json.py
@@ -0,0 +1,106 @@
+"""
+Serialize data to/from JSON
+"""
+
+import datetime
+import decimal
+import json
+import uuid
+
+from django.core.serializers.base import DeserializationError
+from django.core.serializers.python import Deserializer as PythonDeserializer
+from django.core.serializers.python import Serializer as PythonSerializer
+from django.utils.duration import duration_iso_string
+from django.utils.functional import Promise
+from django.utils.timezone import is_aware
+
+
+class Serializer(PythonSerializer):
+    """Convert a queryset to JSON."""
+
+    internal_use_only = False
+
+    def _init_options(self):
+        self._current = None
+        self.json_kwargs = self.options.copy()
+        self.json_kwargs.pop("stream", None)
+        self.json_kwargs.pop("fields", None)
+        if self.options.get("indent"):
+            # Prevent trailing spaces
+            self.json_kwargs["separators"] = (",", ": ")
+        self.json_kwargs.setdefault("cls", DjangoJSONEncoder)
+        self.json_kwargs.setdefault("ensure_ascii", False)
+
+    def start_serialization(self):
+        self._init_options()
+        self.stream.write("[")
+
+    def end_serialization(self):
+        if self.options.get("indent"):
+            self.stream.write("\n")
+        self.stream.write("]")
+        if self.options.get("indent"):
+            self.stream.write("\n")
+
+    def end_object(self, obj):
+        # self._current has the field data
+        indent = self.options.get("indent")
+        if not self.first:
+            self.stream.write(",")
+            if not indent:
+                self.stream.write(" ")
+        if indent:
+            self.stream.write("\n")
+        json.dump(self.get_dump_object(obj), self.stream, **self.json_kwargs)
+        self._current = None
+
+    def getvalue(self):
+        # Grandparent super
+        return super(PythonSerializer, self).getvalue()
+
+
+def Deserializer(stream_or_string, **options):
+    """Deserialize a stream or string of JSON data."""
+    if not isinstance(stream_or_string, (bytes, str)):
+        stream_or_string = stream_or_string.read()
+    if isinstance(stream_or_string, bytes):
+        stream_or_string = stream_or_string.decode()
+    try:
+        objects = json.loads(stream_or_string)
+        yield from PythonDeserializer(objects, **options)
+    except (GeneratorExit, DeserializationError):
+        raise
+    except Exception as exc:
+        raise DeserializationError() from exc
+
+
+class DjangoJSONEncoder(json.JSONEncoder):
+    """
+    JSONEncoder subclass that knows how to encode date/time, decimal types, and
+    UUIDs.
+    """
+
+    def default(self, o):
+        # See "Date Time String Format" in the ECMA-262 specification.
+        if isinstance(o, datetime.datetime):
+            r = o.isoformat()
+            if o.microsecond:
+                r = r[:23] + r[26:]
+            if r.endswith("+00:00"):
+                r = r.removesuffix("+00:00") + "Z"
+            return r
+        elif isinstance(o, datetime.date):
+            return o.isoformat()
+        elif isinstance(o, datetime.time):
+            if is_aware(o):
+                raise ValueError("JSON can't represent timezone-aware times.")
+            r = o.isoformat()
+            if o.microsecond:
+                r = r[:12]
+            return r
+        elif isinstance(o, datetime.timedelta):
+            return duration_iso_string(o)
+        elif isinstance(o, (decimal.Decimal, uuid.UUID, Promise)):
+            return str(o)
+        else:
+            return super().default(o)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/jsonl.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/jsonl.py
new file mode 100644
index 00000000..c264c2cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/jsonl.py
@@ -0,0 +1,57 @@
+"""
+Serialize data to/from JSON Lines
+"""
+
+import json
+
+from django.core.serializers.base import DeserializationError
+from django.core.serializers.json import DjangoJSONEncoder
+from django.core.serializers.python import Deserializer as PythonDeserializer
+from django.core.serializers.python import Serializer as PythonSerializer
+
+
+class Serializer(PythonSerializer):
+    """Convert a queryset to JSON Lines."""
+
+    internal_use_only = False
+
+    def _init_options(self):
+        self._current = None
+        self.json_kwargs = self.options.copy()
+        self.json_kwargs.pop("stream", None)
+        self.json_kwargs.pop("fields", None)
+        self.json_kwargs.pop("indent", None)
+        self.json_kwargs["separators"] = (",", ": ")
+        self.json_kwargs.setdefault("cls", DjangoJSONEncoder)
+        self.json_kwargs.setdefault("ensure_ascii", False)
+
+    def start_serialization(self):
+        self._init_options()
+
+    def end_object(self, obj):
+        # self._current has the field data
+        json.dump(self.get_dump_object(obj), self.stream, **self.json_kwargs)
+        self.stream.write("\n")
+        self._current = None
+
+    def getvalue(self):
+        # Grandparent super
+        return super(PythonSerializer, self).getvalue()
+
+
+def Deserializer(stream_or_string, **options):
+    """Deserialize a stream or string of JSON data."""
+    if isinstance(stream_or_string, bytes):
+        stream_or_string = stream_or_string.decode()
+    if isinstance(stream_or_string, (bytes, str)):
+        stream_or_string = stream_or_string.split("\n")
+
+    for line in stream_or_string:
+        if not line.strip():
+            continue
+        try:
+            yield from PythonDeserializer([json.loads(line)], **options)
+        except (GeneratorExit, DeserializationError):
+            raise
+        except Exception as exc:
+            raise DeserializationError() from exc
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/python.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/python.py
new file mode 100644
index 00000000..7ec894aa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/python.py
@@ -0,0 +1,195 @@
+"""
+A Python "serializer". Doesn't do much serializing per se -- just converts to
+and from basic Python data types (lists, dicts, strings, etc.). Useful as a basis for
+other serializers.
+"""
+
+from django.apps import apps
+from django.core.serializers import base
+from django.db import DEFAULT_DB_ALIAS, models
+from django.utils.encoding import is_protected_type
+
+
+class Serializer(base.Serializer):
+    """
+    Serialize a QuerySet to basic Python objects.
+    """
+
+    internal_use_only = True
+
+    def start_serialization(self):
+        self._current = None
+        self.objects = []
+
+    def end_serialization(self):
+        pass
+
+    def start_object(self, obj):
+        self._current = {}
+
+    def end_object(self, obj):
+        self.objects.append(self.get_dump_object(obj))
+        self._current = None
+
+    def get_dump_object(self, obj):
+        data = {"model": str(obj._meta)}
+        if not self.use_natural_primary_keys or not hasattr(obj, "natural_key"):
+            data["pk"] = self._value_from_field(obj, obj._meta.pk)
+        data["fields"] = self._current
+        return data
+
+    def _value_from_field(self, obj, field):
+        value = field.value_from_object(obj)
+        # Protected types (i.e., primitives like None, numbers, dates,
+        # and Decimals) are passed through as is. All other values are
+        # converted to string first.
+        return value if is_protected_type(value) else field.value_to_string(obj)
+
+    def handle_field(self, obj, field):
+        self._current[field.name] = self._value_from_field(obj, field)
+
+    def handle_fk_field(self, obj, field):
+        if self.use_natural_foreign_keys and hasattr(
+            field.remote_field.model, "natural_key"
+        ):
+            related = getattr(obj, field.name)
+            if related:
+                value = related.natural_key()
+            else:
+                value = None
+        else:
+            value = self._value_from_field(obj, field)
+        self._current[field.name] = value
+
+    def handle_m2m_field(self, obj, field):
+        if field.remote_field.through._meta.auto_created:
+            if self.use_natural_foreign_keys and hasattr(
+                field.remote_field.model, "natural_key"
+            ):
+
+                def m2m_value(value):
+                    return value.natural_key()
+
+                def queryset_iterator(obj, field):
+                    return getattr(obj, field.name).iterator()
+
+            else:
+
+                def m2m_value(value):
+                    return self._value_from_field(value, value._meta.pk)
+
+                def queryset_iterator(obj, field):
+                    return (
+                        getattr(obj, field.name)
+                        .select_related(None)
+                        .only("pk")
+                        .iterator()
+                    )
+
+            m2m_iter = getattr(obj, "_prefetched_objects_cache", {}).get(
+                field.name,
+                queryset_iterator(obj, field),
+            )
+            self._current[field.name] = [m2m_value(related) for related in m2m_iter]
+
+    def getvalue(self):
+        return self.objects
+
+
+def Deserializer(
+    object_list, *, using=DEFAULT_DB_ALIAS, ignorenonexistent=False, **options
+):
+    """
+    Deserialize simple Python objects back into Django ORM instances.
+
+    It's expected that you pass the Python objects themselves (instead of a
+    stream or a string) to the constructor
+    """
+    handle_forward_references = options.pop("handle_forward_references", False)
+    field_names_cache = {}  # Model: <list of field_names>
+
+    for d in object_list:
+        # Look up the model and starting build a dict of data for it.
+        try:
+            Model = _get_model(d["model"])
+        except base.DeserializationError:
+            if ignorenonexistent:
+                continue
+            else:
+                raise
+        data = {}
+        if "pk" in d:
+            try:
+                data[Model._meta.pk.attname] = Model._meta.pk.to_python(d.get("pk"))
+            except Exception as e:
+                raise base.DeserializationError.WithData(
+                    e, d["model"], d.get("pk"), None
+                )
+        m2m_data = {}
+        deferred_fields = {}
+
+        if Model not in field_names_cache:
+            field_names_cache[Model] = {f.name for f in Model._meta.get_fields()}
+        field_names = field_names_cache[Model]
+
+        # Handle each field
+        for field_name, field_value in d["fields"].items():
+            if ignorenonexistent and field_name not in field_names:
+                # skip fields no longer on model
+                continue
+
+            field = Model._meta.get_field(field_name)
+
+            # Handle M2M relations
+            if field.remote_field and isinstance(
+                field.remote_field, models.ManyToManyRel
+            ):
+                try:
+                    values = base.deserialize_m2m_values(
+                        field, field_value, using, handle_forward_references
+                    )
+                except base.M2MDeserializationError as e:
+                    raise base.DeserializationError.WithData(
+                        e.original_exc, d["model"], d.get("pk"), e.pk
+                    )
+                if values == base.DEFER_FIELD:
+                    deferred_fields[field] = field_value
+                else:
+                    m2m_data[field.name] = values
+            # Handle FK fields
+            elif field.remote_field and isinstance(
+                field.remote_field, models.ManyToOneRel
+            ):
+                try:
+                    value = base.deserialize_fk_value(
+                        field, field_value, using, handle_forward_references
+                    )
+                except Exception as e:
+                    raise base.DeserializationError.WithData(
+                        e, d["model"], d.get("pk"), field_value
+                    )
+                if value == base.DEFER_FIELD:
+                    deferred_fields[field] = field_value
+                else:
+                    data[field.attname] = value
+            # Handle all other fields
+            else:
+                try:
+                    data[field.name] = field.to_python(field_value)
+                except Exception as e:
+                    raise base.DeserializationError.WithData(
+                        e, d["model"], d.get("pk"), field_value
+                    )
+
+        obj = base.build_instance(Model, data, using)
+        yield base.DeserializedObject(obj, m2m_data, deferred_fields)
+
+
+def _get_model(model_identifier):
+    """Look up a model from an "app_label.model_name" string."""
+    try:
+        return apps.get_model(model_identifier)
+    except (LookupError, TypeError):
+        raise base.DeserializationError(
+            "Invalid model identifier: '%s'" % model_identifier
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/pyyaml.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/pyyaml.py
new file mode 100644
index 00000000..9a20b665
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/pyyaml.py
@@ -0,0 +1,82 @@
+"""
+YAML serializer.
+
+Requires PyYaml (https://pyyaml.org/), but that's checked for in __init__.
+"""
+
+import collections
+import decimal
+from io import StringIO
+
+import yaml
+
+from django.core.serializers.base import DeserializationError
+from django.core.serializers.python import Deserializer as PythonDeserializer
+from django.core.serializers.python import Serializer as PythonSerializer
+from django.db import models
+
+# Use the C (faster) implementation if possible
+try:
+    from yaml import CSafeDumper as SafeDumper
+    from yaml import CSafeLoader as SafeLoader
+except ImportError:
+    from yaml import SafeDumper, SafeLoader
+
+
+class DjangoSafeDumper(SafeDumper):
+    def represent_decimal(self, data):
+        return self.represent_scalar("tag:yaml.org,2002:str", str(data))
+
+    def represent_ordered_dict(self, data):
+        return self.represent_mapping("tag:yaml.org,2002:map", data.items())
+
+
+DjangoSafeDumper.add_representer(decimal.Decimal, DjangoSafeDumper.represent_decimal)
+DjangoSafeDumper.add_representer(
+    collections.OrderedDict, DjangoSafeDumper.represent_ordered_dict
+)
+# Workaround to represent dictionaries in insertion order.
+# See https://github.com/yaml/pyyaml/pull/143.
+DjangoSafeDumper.add_representer(dict, DjangoSafeDumper.represent_ordered_dict)
+
+
+class Serializer(PythonSerializer):
+    """Convert a queryset to YAML."""
+
+    internal_use_only = False
+
+    def handle_field(self, obj, field):
+        # A nasty special case: base YAML doesn't support serialization of time
+        # types (as opposed to dates or datetimes, which it does support). Since
+        # we want to use the "safe" serializer for better interoperability, we
+        # need to do something with those pesky times. Converting 'em to strings
+        # isn't perfect, but it's better than a "!!python/time" type which would
+        # halt deserialization under any other language.
+        if isinstance(field, models.TimeField) and getattr(obj, field.name) is not None:
+            self._current[field.name] = str(getattr(obj, field.name))
+        else:
+            super().handle_field(obj, field)
+
+    def end_serialization(self):
+        self.options.setdefault("allow_unicode", True)
+        yaml.dump(self.objects, self.stream, Dumper=DjangoSafeDumper, **self.options)
+
+    def getvalue(self):
+        # Grandparent super
+        return super(PythonSerializer, self).getvalue()
+
+
+def Deserializer(stream_or_string, **options):
+    """Deserialize a stream or string of YAML data."""
+    if isinstance(stream_or_string, bytes):
+        stream_or_string = stream_or_string.decode()
+    if isinstance(stream_or_string, str):
+        stream = StringIO(stream_or_string)
+    else:
+        stream = stream_or_string
+    try:
+        yield from PythonDeserializer(yaml.load(stream, Loader=SafeLoader), **options)
+    except (GeneratorExit, DeserializationError):
+        raise
+    except Exception as exc:
+        raise DeserializationError() from exc
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/xml_serializer.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/xml_serializer.py
new file mode 100644
index 00000000..16b69770
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/serializers/xml_serializer.py
@@ -0,0 +1,500 @@
+"""
+XML serializer.
+"""
+
+import json
+from xml.dom import pulldom
+from xml.sax import handler
+from xml.sax.expatreader import ExpatParser as _ExpatParser
+
+from django.apps import apps
+from django.conf import settings
+from django.core.exceptions import ObjectDoesNotExist
+from django.core.serializers import base
+from django.db import DEFAULT_DB_ALIAS, models
+from django.utils.xmlutils import SimplerXMLGenerator, UnserializableContentError
+
+
+class Serializer(base.Serializer):
+    """Serialize a QuerySet to XML."""
+
+    def indent(self, level):
+        if self.options.get("indent") is not None:
+            self.xml.ignorableWhitespace(
+                "\n" + " " * self.options.get("indent") * level
+            )
+
+    def start_serialization(self):
+        """
+        Start serialization -- open the XML document and the root element.
+        """
+        self.xml = SimplerXMLGenerator(
+            self.stream, self.options.get("encoding", settings.DEFAULT_CHARSET)
+        )
+        self.xml.startDocument()
+        self.xml.startElement("django-objects", {"version": "1.0"})
+
+    def end_serialization(self):
+        """
+        End serialization -- end the document.
+        """
+        self.indent(0)
+        self.xml.endElement("django-objects")
+        self.xml.endDocument()
+
+    def start_object(self, obj):
+        """
+        Called as each object is handled.
+        """
+        if not hasattr(obj, "_meta"):
+            raise base.SerializationError(
+                "Non-model object (%s) encountered during serialization" % type(obj)
+            )
+
+        self.indent(1)
+        attrs = {"model": str(obj._meta)}
+        if not self.use_natural_primary_keys or not hasattr(obj, "natural_key"):
+            obj_pk = obj.pk
+            if obj_pk is not None:
+                attrs["pk"] = str(obj_pk)
+
+        self.xml.startElement("object", attrs)
+
+    def end_object(self, obj):
+        """
+        Called after handling all fields for an object.
+        """
+        self.indent(1)
+        self.xml.endElement("object")
+
+    def handle_field(self, obj, field):
+        """
+        Handle each field on an object (except for ForeignKeys and
+        ManyToManyFields).
+        """
+        self.indent(2)
+        self.xml.startElement(
+            "field",
+            {
+                "name": field.name,
+                "type": field.get_internal_type(),
+            },
+        )
+
+        # Get a "string version" of the object's data.
+        if getattr(obj, field.name) is not None:
+            value = field.value_to_string(obj)
+            if field.get_internal_type() == "JSONField":
+                # Dump value since JSONField.value_to_string() doesn't output
+                # strings.
+                value = json.dumps(value, cls=field.encoder)
+            try:
+                self.xml.characters(value)
+            except UnserializableContentError:
+                raise ValueError(
+                    "%s.%s (pk:%s) contains unserializable characters"
+                    % (obj.__class__.__name__, field.name, obj.pk)
+                )
+        else:
+            self.xml.addQuickElement("None")
+
+        self.xml.endElement("field")
+
+    def handle_fk_field(self, obj, field):
+        """
+        Handle a ForeignKey (they need to be treated slightly
+        differently from regular fields).
+        """
+        self._start_relational_field(field)
+        related_att = getattr(obj, field.get_attname())
+        if related_att is not None:
+            if self.use_natural_foreign_keys and hasattr(
+                field.remote_field.model, "natural_key"
+            ):
+                related = getattr(obj, field.name)
+                # If related object has a natural key, use it
+                related = related.natural_key()
+                # Iterable natural keys are rolled out as subelements
+                for key_value in related:
+                    self.xml.startElement("natural", {})
+                    self.xml.characters(str(key_value))
+                    self.xml.endElement("natural")
+            else:
+                self.xml.characters(str(related_att))
+        else:
+            self.xml.addQuickElement("None")
+        self.xml.endElement("field")
+
+    def handle_m2m_field(self, obj, field):
+        """
+        Handle a ManyToManyField. Related objects are only serialized as
+        references to the object's PK (i.e. the related *data* is not dumped,
+        just the relation).
+        """
+        if field.remote_field.through._meta.auto_created:
+            self._start_relational_field(field)
+            if self.use_natural_foreign_keys and hasattr(
+                field.remote_field.model, "natural_key"
+            ):
+                # If the objects in the m2m have a natural key, use it
+                def handle_m2m(value):
+                    natural = value.natural_key()
+                    # Iterable natural keys are rolled out as subelements
+                    self.xml.startElement("object", {})
+                    for key_value in natural:
+                        self.xml.startElement("natural", {})
+                        self.xml.characters(str(key_value))
+                        self.xml.endElement("natural")
+                    self.xml.endElement("object")
+
+                def queryset_iterator(obj, field):
+                    return getattr(obj, field.name).iterator()
+
+            else:
+
+                def handle_m2m(value):
+                    self.xml.addQuickElement("object", attrs={"pk": str(value.pk)})
+
+                def queryset_iterator(obj, field):
+                    return (
+                        getattr(obj, field.name)
+                        .select_related(None)
+                        .only("pk")
+                        .iterator()
+                    )
+
+            m2m_iter = getattr(obj, "_prefetched_objects_cache", {}).get(
+                field.name,
+                queryset_iterator(obj, field),
+            )
+            for relobj in m2m_iter:
+                handle_m2m(relobj)
+
+            self.xml.endElement("field")
+
+    def _start_relational_field(self, field):
+        """Output the <field> element for relational fields."""
+        self.indent(2)
+        self.xml.startElement(
+            "field",
+            {
+                "name": field.name,
+                "rel": field.remote_field.__class__.__name__,
+                "to": str(field.remote_field.model._meta),
+            },
+        )
+
+
+class Deserializer(base.Deserializer):
+    """Deserialize XML."""
+
+    def __init__(
+        self,
+        stream_or_string,
+        *,
+        using=DEFAULT_DB_ALIAS,
+        ignorenonexistent=False,
+        **options,
+    ):
+        super().__init__(stream_or_string, **options)
+        self.handle_forward_references = options.pop("handle_forward_references", False)
+        self.event_stream = pulldom.parse(self.stream, self._make_parser())
+        self.db = using
+        self.ignore = ignorenonexistent
+
+    def _make_parser(self):
+        """Create a hardened XML parser (no custom/external entities)."""
+        return DefusedExpatParser()
+
+    def __next__(self):
+        for event, node in self.event_stream:
+            if event == "START_ELEMENT" and node.nodeName == "object":
+                self.event_stream.expandNode(node)
+                return self._handle_object(node)
+        raise StopIteration
+
+    def _handle_object(self, node):
+        """Convert an <object> node to a DeserializedObject."""
+        # Look up the model using the model loading mechanism. If this fails,
+        # bail.
+        Model = self._get_model_from_node(node, "model")
+
+        # Start building a data dictionary from the object.
+        data = {}
+        if node.hasAttribute("pk"):
+            data[Model._meta.pk.attname] = Model._meta.pk.to_python(
+                node.getAttribute("pk")
+            )
+
+        # Also start building a dict of m2m data (this is saved as
+        # {m2m_accessor_attribute : [list_of_related_objects]})
+        m2m_data = {}
+        deferred_fields = {}
+
+        field_names = {f.name for f in Model._meta.get_fields()}
+        # Deserialize each field.
+        for field_node in node.getElementsByTagName("field"):
+            # If the field is missing the name attribute, bail (are you
+            # sensing a pattern here?)
+            field_name = field_node.getAttribute("name")
+            if not field_name:
+                raise base.DeserializationError(
+                    "<field> node is missing the 'name' attribute"
+                )
+
+            # Get the field from the Model. This will raise a
+            # FieldDoesNotExist if, well, the field doesn't exist, which will
+            # be propagated correctly unless ignorenonexistent=True is used.
+            if self.ignore and field_name not in field_names:
+                continue
+            field = Model._meta.get_field(field_name)
+
+            # As is usually the case, relation fields get the special treatment.
+            if field.remote_field and isinstance(
+                field.remote_field, models.ManyToManyRel
+            ):
+                value = self._handle_m2m_field_node(field_node, field)
+                if value == base.DEFER_FIELD:
+                    deferred_fields[field] = [
+                        [
+                            getInnerText(nat_node).strip()
+                            for nat_node in obj_node.getElementsByTagName("natural")
+                        ]
+                        for obj_node in field_node.getElementsByTagName("object")
+                    ]
+                else:
+                    m2m_data[field.name] = value
+            elif field.remote_field and isinstance(
+                field.remote_field, models.ManyToOneRel
+            ):
+                value = self._handle_fk_field_node(field_node, field)
+                if value == base.DEFER_FIELD:
+                    deferred_fields[field] = [
+                        getInnerText(k).strip()
+                        for k in field_node.getElementsByTagName("natural")
+                    ]
+                else:
+                    data[field.attname] = value
+            else:
+                if field_node.getElementsByTagName("None"):
+                    value = None
+                else:
+                    value = field.to_python(getInnerText(field_node).strip())
+                    # Load value since JSONField.to_python() outputs strings.
+                    if field.get_internal_type() == "JSONField":
+                        value = json.loads(value, cls=field.decoder)
+                data[field.name] = value
+
+        obj = base.build_instance(Model, data, self.db)
+
+        # Return a DeserializedObject so that the m2m data has a place to live.
+        return base.DeserializedObject(obj, m2m_data, deferred_fields)
+
+    def _handle_fk_field_node(self, node, field):
+        """
+        Handle a <field> node for a ForeignKey
+        """
+        # Check if there is a child node named 'None', returning None if so.
+        if node.getElementsByTagName("None"):
+            return None
+        else:
+            model = field.remote_field.model
+            if hasattr(model._default_manager, "get_by_natural_key"):
+                keys = node.getElementsByTagName("natural")
+                if keys:
+                    # If there are 'natural' subelements, it must be a natural key
+                    field_value = [getInnerText(k).strip() for k in keys]
+                    try:
+                        obj = model._default_manager.db_manager(
+                            self.db
+                        ).get_by_natural_key(*field_value)
+                    except ObjectDoesNotExist:
+                        if self.handle_forward_references:
+                            return base.DEFER_FIELD
+                        else:
+                            raise
+                    obj_pk = getattr(obj, field.remote_field.field_name)
+                    # If this is a natural foreign key to an object that
+                    # has a FK/O2O as the foreign key, use the FK value
+                    if field.remote_field.model._meta.pk.remote_field:
+                        obj_pk = obj_pk.pk
+                else:
+                    # Otherwise, treat like a normal PK
+                    field_value = getInnerText(node).strip()
+                    obj_pk = model._meta.get_field(
+                        field.remote_field.field_name
+                    ).to_python(field_value)
+                return obj_pk
+            else:
+                field_value = getInnerText(node).strip()
+                return model._meta.get_field(field.remote_field.field_name).to_python(
+                    field_value
+                )
+
+    def _handle_m2m_field_node(self, node, field):
+        """
+        Handle a <field> node for a ManyToManyField.
+        """
+        model = field.remote_field.model
+        default_manager = model._default_manager
+        if hasattr(default_manager, "get_by_natural_key"):
+
+            def m2m_convert(n):
+                keys = n.getElementsByTagName("natural")
+                if keys:
+                    # If there are 'natural' subelements, it must be a natural key
+                    field_value = [getInnerText(k).strip() for k in keys]
+                    obj_pk = (
+                        default_manager.db_manager(self.db)
+                        .get_by_natural_key(*field_value)
+                        .pk
+                    )
+                else:
+                    # Otherwise, treat like a normal PK value.
+                    obj_pk = model._meta.pk.to_python(n.getAttribute("pk"))
+                return obj_pk
+
+        else:
+
+            def m2m_convert(n):
+                return model._meta.pk.to_python(n.getAttribute("pk"))
+
+        values = []
+        try:
+            for c in node.getElementsByTagName("object"):
+                values.append(m2m_convert(c))
+        except Exception as e:
+            if isinstance(e, ObjectDoesNotExist) and self.handle_forward_references:
+                return base.DEFER_FIELD
+            else:
+                raise base.M2MDeserializationError(e, c)
+        else:
+            return values
+
+    def _get_model_from_node(self, node, attr):
+        """
+        Look up a model from a <object model=...> or a <field rel=... to=...>
+        node.
+        """
+        model_identifier = node.getAttribute(attr)
+        if not model_identifier:
+            raise base.DeserializationError(
+                "<%s> node is missing the required '%s' attribute"
+                % (node.nodeName, attr)
+            )
+        try:
+            return apps.get_model(model_identifier)
+        except (LookupError, TypeError):
+            raise base.DeserializationError(
+                "<%s> node has invalid model identifier: '%s'"
+                % (node.nodeName, model_identifier)
+            )
+
+
+def getInnerText(node):
+    """Get all the inner text of a DOM node (recursively)."""
+    # inspired by https://mail.python.org/pipermail/xml-sig/2005-March/011022.html
+    inner_text = []
+    for child in node.childNodes:
+        if (
+            child.nodeType == child.TEXT_NODE
+            or child.nodeType == child.CDATA_SECTION_NODE
+        ):
+            inner_text.append(child.data)
+        elif child.nodeType == child.ELEMENT_NODE:
+            inner_text.extend(getInnerText(child))
+        else:
+            pass
+    return "".join(inner_text)
+
+
+# Below code based on Christian Heimes' defusedxml
+
+
+class DefusedExpatParser(_ExpatParser):
+    """
+    An expat parser hardened against XML bomb attacks.
+
+    Forbid DTDs, external entity references
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.setFeature(handler.feature_external_ges, False)
+        self.setFeature(handler.feature_external_pes, False)
+
+    def start_doctype_decl(self, name, sysid, pubid, has_internal_subset):
+        raise DTDForbidden(name, sysid, pubid)
+
+    def entity_decl(
+        self, name, is_parameter_entity, value, base, sysid, pubid, notation_name
+    ):
+        raise EntitiesForbidden(name, value, base, sysid, pubid, notation_name)
+
+    def unparsed_entity_decl(self, name, base, sysid, pubid, notation_name):
+        # expat 1.2
+        raise EntitiesForbidden(name, None, base, sysid, pubid, notation_name)
+
+    def external_entity_ref_handler(self, context, base, sysid, pubid):
+        raise ExternalReferenceForbidden(context, base, sysid, pubid)
+
+    def reset(self):
+        _ExpatParser.reset(self)
+        parser = self._parser
+        parser.StartDoctypeDeclHandler = self.start_doctype_decl
+        parser.EntityDeclHandler = self.entity_decl
+        parser.UnparsedEntityDeclHandler = self.unparsed_entity_decl
+        parser.ExternalEntityRefHandler = self.external_entity_ref_handler
+
+
+class DefusedXmlException(ValueError):
+    """Base exception."""
+
+    def __repr__(self):
+        return str(self)
+
+
+class DTDForbidden(DefusedXmlException):
+    """Document type definition is forbidden."""
+
+    def __init__(self, name, sysid, pubid):
+        super().__init__()
+        self.name = name
+        self.sysid = sysid
+        self.pubid = pubid
+
+    def __str__(self):
+        tpl = "DTDForbidden(name='{}', system_id={!r}, public_id={!r})"
+        return tpl.format(self.name, self.sysid, self.pubid)
+
+
+class EntitiesForbidden(DefusedXmlException):
+    """Entity definition is forbidden."""
+
+    def __init__(self, name, value, base, sysid, pubid, notation_name):
+        super().__init__()
+        self.name = name
+        self.value = value
+        self.base = base
+        self.sysid = sysid
+        self.pubid = pubid
+        self.notation_name = notation_name
+
+    def __str__(self):
+        tpl = "EntitiesForbidden(name='{}', system_id={!r}, public_id={!r})"
+        return tpl.format(self.name, self.sysid, self.pubid)
+
+
+class ExternalReferenceForbidden(DefusedXmlException):
+    """Resolving an external reference is forbidden."""
+
+    def __init__(self, context, base, sysid, pubid):
+        super().__init__()
+        self.context = context
+        self.base = base
+        self.sysid = sysid
+        self.pubid = pubid
+
+    def __str__(self):
+        tpl = "ExternalReferenceForbidden(system_id='{}', public_id={})"
+        return tpl.format(self.sysid, self.pubid)
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index 00000000..6afe17ce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/servers/basehttp.py
@@ -0,0 +1,281 @@
+"""
+HTTP server that implements the Python WSGI protocol (PEP 333, rev 1.21).
+
+Based on wsgiref.simple_server which is part of the standard library since 2.5.
+
+This is a simple server for use in testing or debugging Django apps. It hasn't
+been reviewed for security issues. DON'T USE IT FOR PRODUCTION USE!
+"""
+
+import logging
+import socket
+import socketserver
+import sys
+from collections import deque
+from wsgiref import simple_server
+
+from django.core.exceptions import ImproperlyConfigured
+from django.core.handlers.wsgi import LimitedStream
+from django.core.wsgi import get_wsgi_application
+from django.db import connections
+from django.utils.module_loading import import_string
+
+__all__ = ("WSGIServer", "WSGIRequestHandler")
+
+logger = logging.getLogger("django.server")
+
+
+def get_internal_wsgi_application():
+    """
+    Load and return the WSGI application as configured by the user in
+    ``settings.WSGI_APPLICATION``. With the default ``startproject`` layout,
+    this will be the ``application`` object in ``projectname/wsgi.py``.
+
+    This function, and the ``WSGI_APPLICATION`` setting itself, are only useful
+    for Django's internal server (runserver); external WSGI servers should just
+    be configured to point to the correct application object directly.
+
+    If settings.WSGI_APPLICATION is not set (is ``None``), return
+    whatever ``django.core.wsgi.get_wsgi_application`` returns.
+    """
+    from django.conf import settings
+
+    app_path = getattr(settings, "WSGI_APPLICATION")
+    if app_path is None:
+        return get_wsgi_application()
+
+    try:
+        return import_string(app_path)
+    except ImportError as err:
+        raise ImproperlyConfigured(
+            "WSGI application '%s' could not be loaded; "
+            "Error importing module." % app_path
+        ) from err
+
+
+def is_broken_pipe_error():
+    exc_type, _, _ = sys.exc_info()
+    return issubclass(
+        exc_type,
+        (
+            BrokenPipeError,
+            ConnectionAbortedError,
+            ConnectionResetError,
+        ),
+    )
+
+
+class WSGIServer(simple_server.WSGIServer):
+    """BaseHTTPServer that implements the Python WSGI protocol"""
+
+    request_queue_size = 10
+
+    def __init__(self, *args, ipv6=False, allow_reuse_address=True, **kwargs):
+        if ipv6:
+            self.address_family = socket.AF_INET6
+        self.allow_reuse_address = allow_reuse_address
+        super().__init__(*args, **kwargs)
+
+    def handle_error(self, request, client_address):
+        if is_broken_pipe_error():
+            logger.info("- Broken pipe from %s", client_address)
+        else:
+            super().handle_error(request, client_address)
+
+
+class ThreadedWSGIServer(socketserver.ThreadingMixIn, WSGIServer):
+    """A threaded version of the WSGIServer"""
+
+    daemon_threads = True
+
+    def __init__(self, *args, connections_override=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.connections_override = connections_override
+
+    # socketserver.ThreadingMixIn.process_request() passes this method as
+    # the target to a new Thread object.
+    def process_request_thread(self, request, client_address):
+        if self.connections_override:
+            # Override this thread's database connections with the ones
+            # provided by the parent thread.
+            for alias, conn in self.connections_override.items():
+                connections[alias] = conn
+        super().process_request_thread(request, client_address)
+
+    def _close_connections(self):
+        # Used for mocking in tests.
+        connections.close_all()
+
+    def close_request(self, request):
+        self._close_connections()
+        super().close_request(request)
+
+
+class ServerHandler(simple_server.ServerHandler):
+    http_version = "1.1"
+
+    def __init__(self, stdin, stdout, stderr, environ, **kwargs):
+        """
+        Use a LimitedStream so that unread request data will be ignored at
+        the end of the request. WSGIRequest uses a LimitedStream but it
+        shouldn't discard the data since the upstream servers usually do this.
+        This fix applies only for testserver/runserver.
+        """
+        try:
+            content_length = int(environ.get("CONTENT_LENGTH"))
+        except (ValueError, TypeError):
+            content_length = 0
+        super().__init__(
+            LimitedStream(stdin, content_length), stdout, stderr, environ, **kwargs
+        )
+
+    def cleanup_headers(self):
+        super().cleanup_headers()
+        if (
+            self.environ["REQUEST_METHOD"] == "HEAD"
+            and "Content-Length" in self.headers
+        ):
+            del self.headers["Content-Length"]
+        # HTTP/1.1 requires support for persistent connections. Send 'close' if
+        # the content length is unknown to prevent clients from reusing the
+        # connection.
+        if (
+            self.environ["REQUEST_METHOD"] != "HEAD"
+            and "Content-Length" not in self.headers
+        ):
+            self.headers["Connection"] = "close"
+        # Persistent connections require threading server.
+        elif not isinstance(self.request_handler.server, socketserver.ThreadingMixIn):
+            self.headers["Connection"] = "close"
+        # Mark the connection for closing if it's set as such above or if the
+        # application sent the header.
+        if self.headers.get("Connection") == "close":
+            self.request_handler.close_connection = True
+
+    def close(self):
+        self.get_stdin().read()
+        super().close()
+
+    def finish_response(self):
+        if self.environ["REQUEST_METHOD"] == "HEAD":
+            try:
+                deque(self.result, maxlen=0)  # Consume iterator.
+                # Don't call self.finish_content() as, if the headers have not
+                # been sent and Content-Length isn't set, it'll default to "0"
+                # which will prevent omission of the Content-Length header with
+                # HEAD requests as permitted by RFC 9110 Section 9.3.2.
+                # Instead, send the headers, if not sent yet.
+                if not self.headers_sent:
+                    self.send_headers()
+            finally:
+                self.close()
+        else:
+            super().finish_response()
+
+
+class WSGIRequestHandler(simple_server.WSGIRequestHandler):
+    protocol_version = "HTTP/1.1"
+
+    def address_string(self):
+        # Short-circuit parent method to not call socket.getfqdn
+        return self.client_address[0]
+
+    def log_message(self, format, *args):
+        extra = {
+            "request": self.request,
+            "server_time": self.log_date_time_string(),
+        }
+        if args[1][0] == "4":
+            # 0x16 = Handshake, 0x03 = SSL 3.0 or TLS 1.x
+            if args[0].startswith("\x16\x03"):
+                extra["status_code"] = 500
+                logger.error(
+                    "You're accessing the development server over HTTPS, but "
+                    "it only supports HTTP.",
+                    extra=extra,
+                )
+                return
+
+        if args[1].isdigit() and len(args[1]) == 3:
+            status_code = int(args[1])
+            extra["status_code"] = status_code
+
+            if status_code >= 500:
+                level = logger.error
+            elif status_code >= 400:
+                level = logger.warning
+            else:
+                level = logger.info
+        else:
+            level = logger.info
+
+        level(format, *args, extra=extra)
+
+    def get_environ(self):
+        # Strip all headers with underscores in the name before constructing
+        # the WSGI environ. This prevents header-spoofing based on ambiguity
+        # between underscores and dashes both normalized to underscores in WSGI
+        # env vars. Nginx and Apache 2.4+ both do this as well.
+        for k in self.headers:
+            if "_" in k:
+                del self.headers[k]
+
+        return super().get_environ()
+
+    def handle(self):
+        self.close_connection = True
+        self.handle_one_request()
+        while not self.close_connection:
+            self.handle_one_request()
+        try:
+            self.connection.shutdown(socket.SHUT_WR)
+        except (AttributeError, OSError):
+            pass
+
+    def handle_one_request(self):
+        """Copy of WSGIRequestHandler.handle() but with different ServerHandler"""
+        self.raw_requestline = self.rfile.readline(65537)
+        if len(self.raw_requestline) > 65536:
+            self.requestline = ""
+            self.request_version = ""
+            self.command = ""
+            self.send_error(414)
+            return
+
+        if not self.parse_request():  # An error code has been sent, just exit
+            return
+
+        handler = ServerHandler(
+            self.rfile, self.wfile, self.get_stderr(), self.get_environ()
+        )
+        handler.request_handler = self  # backpointer for logging & connection closing
+        handler.run(self.server.get_app())
+
+
+def run(
+    addr,
+    port,
+    wsgi_handler,
+    ipv6=False,
+    threading=False,
+    on_bind=None,
+    server_cls=WSGIServer,
+):
+    server_address = (addr, port)
+    if threading:
+        httpd_cls = type("WSGIServer", (socketserver.ThreadingMixIn, server_cls), {})
+    else:
+        httpd_cls = server_cls
+    httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)
+    if on_bind is not None:
+        on_bind(getattr(httpd, "server_port", port))
+    if threading:
+        # ThreadingMixIn.daemon_threads indicates how threads will behave on an
+        # abrupt shutdown; like quitting the server by the user or restarting
+        # by the auto-reloader. True means the server will not wait for thread
+        # termination before it quits. This will make auto-reloader faster
+        # and will prevent the need to kill the server manually if a thread
+        # isn't terminating correctly.
+        httpd.daemon_threads = True
+    httpd.set_app(wsgi_handler)
+    httpd.serve_forever()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/signals.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/signals.py
new file mode 100644
index 00000000..960f5c35
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/signals.py
@@ -0,0 +1,6 @@
+from django.dispatch import Signal
+
+request_started = Signal()
+request_finished = Signal()
+got_request_exception = Signal()
+setting_changed = Signal()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/signing.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/signing.py
new file mode 100644
index 00000000..55214934
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/signing.py
@@ -0,0 +1,302 @@
+"""
+Functions for creating and restoring url-safe signed JSON objects.
+
+The format used looks like this:
+
+>>> signing.dumps("hello")
+'ImhlbGxvIg:1QaUZC:YIye-ze3TTx7gtSv422nZA4sgmk'
+
+There are two components here, separated by a ':'. The first component is a
+URLsafe base64 encoded JSON of the object passed to dumps(). The second
+component is a base64 encoded hmac/SHA-256 hash of "$first_component:$secret"
+
+signing.loads(s) checks the signature and returns the deserialized object.
+If the signature fails, a BadSignature exception is raised.
+
+>>> signing.loads("ImhlbGxvIg:1QaUZC:YIye-ze3TTx7gtSv422nZA4sgmk")
+'hello'
+>>> signing.loads("ImhlbGxvIg:1QaUZC:YIye-ze3TTx7gtSv42-modified")
+...
+BadSignature: Signature "ImhlbGxvIg:1QaUZC:YIye-ze3TTx7gtSv42-modified" does not match
+
+You can optionally compress the JSON prior to base64 encoding it to save
+space, using the compress=True argument. This checks if compression actually
+helps and only applies compression if the result is a shorter string:
+
+>>> signing.dumps(list(range(1, 20)), compress=True)
+'.eJwFwcERACAIwLCF-rCiILN47r-GyZVJsNgkxaFxoDgxcOHGxMKD_T7vhAml:1QaUaL:BA0thEZrp4FQVXIXuOvYJtLJSrQ'
+
+The fact that the string is compressed is signalled by the prefixed '.' at the
+start of the base64 JSON.
+
+There are 65 url-safe characters: the 64 used by url-safe base64 and the ':'.
+These functions make use of all of them.
+"""
+
+import base64
+import datetime
+import json
+import time
+import warnings
+import zlib
+
+from django.conf import settings
+from django.utils.crypto import constant_time_compare, salted_hmac
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.encoding import force_bytes
+from django.utils.module_loading import import_string
+from django.utils.regex_helper import _lazy_re_compile
+
+_SEP_UNSAFE = _lazy_re_compile(r"^[A-z0-9-_=]*$")
+BASE62_ALPHABET = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+
+
+class BadSignature(Exception):
+    """Signature does not match."""
+
+    pass
+
+
+class SignatureExpired(BadSignature):
+    """Signature timestamp is older than required max_age."""
+
+    pass
+
+
+def b62_encode(s):
+    if s == 0:
+        return "0"
+    sign = "-" if s < 0 else ""
+    s = abs(s)
+    encoded = ""
+    while s > 0:
+        s, remainder = divmod(s, 62)
+        encoded = BASE62_ALPHABET[remainder] + encoded
+    return sign + encoded
+
+
+def b62_decode(s):
+    if s == "0":
+        return 0
+    sign = 1
+    if s[0] == "-":
+        s = s[1:]
+        sign = -1
+    decoded = 0
+    for digit in s:
+        decoded = decoded * 62 + BASE62_ALPHABET.index(digit)
+    return sign * decoded
+
+
+def b64_encode(s):
+    return base64.urlsafe_b64encode(s).strip(b"=")
+
+
+def b64_decode(s):
+    pad = b"=" * (-len(s) % 4)
+    return base64.urlsafe_b64decode(s + pad)
+
+
+def base64_hmac(salt, value, key, algorithm="sha1"):
+    return b64_encode(
+        salted_hmac(salt, value, key, algorithm=algorithm).digest()
+    ).decode()
+
+
+def _cookie_signer_key(key):
+    # SECRET_KEYS items may be str or bytes.
+    return b"django.http.cookies" + force_bytes(key)
+
+
+def get_cookie_signer(salt="django.core.signing.get_cookie_signer"):
+    Signer = import_string(settings.SIGNING_BACKEND)
+    return Signer(
+        key=_cookie_signer_key(settings.SECRET_KEY),
+        fallback_keys=map(_cookie_signer_key, settings.SECRET_KEY_FALLBACKS),
+        salt=salt,
+    )
+
+
+class JSONSerializer:
+    """
+    Simple wrapper around json to be used in signing.dumps and
+    signing.loads.
+    """
+
+    def dumps(self, obj):
+        return json.dumps(obj, separators=(",", ":")).encode("latin-1")
+
+    def loads(self, data):
+        return json.loads(data.decode("latin-1"))
+
+
+def dumps(
+    obj, key=None, salt="django.core.signing", serializer=JSONSerializer, compress=False
+):
+    """
+    Return URL-safe, hmac signed base64 compressed JSON string. If key is
+    None, use settings.SECRET_KEY instead. The hmac algorithm is the default
+    Signer algorithm.
+
+    If compress is True (not the default), check if compressing using zlib can
+    save some space. Prepend a '.' to signify compression. This is included
+    in the signature, to protect against zip bombs.
+
+    Salt can be used to namespace the hash, so that a signed string is
+    only valid for a given namespace. Leaving this at the default
+    value or re-using a salt value across different parts of your
+    application without good cause is a security risk.
+
+    The serializer is expected to return a bytestring.
+    """
+    return TimestampSigner(key=key, salt=salt).sign_object(
+        obj, serializer=serializer, compress=compress
+    )
+
+
+def loads(
+    s,
+    key=None,
+    salt="django.core.signing",
+    serializer=JSONSerializer,
+    max_age=None,
+    fallback_keys=None,
+):
+    """
+    Reverse of dumps(), raise BadSignature if signature fails.
+
+    The serializer is expected to accept a bytestring.
+    """
+    return TimestampSigner(
+        key=key, salt=salt, fallback_keys=fallback_keys
+    ).unsign_object(
+        s,
+        serializer=serializer,
+        max_age=max_age,
+    )
+
+
+class Signer:
+    # RemovedInDjango51Warning: When the deprecation ends, replace with:
+    # def __init__(
+    #   self, *, key=None, sep=":", salt=None, algorithm=None, fallback_keys=None
+    # ):
+    def __init__(
+        self,
+        *args,
+        key=None,
+        sep=":",
+        salt=None,
+        algorithm=None,
+        fallback_keys=None,
+    ):
+        self.key = key or settings.SECRET_KEY
+        self.fallback_keys = (
+            fallback_keys
+            if fallback_keys is not None
+            else settings.SECRET_KEY_FALLBACKS
+        )
+        self.sep = sep
+        self.salt = salt or "%s.%s" % (
+            self.__class__.__module__,
+            self.__class__.__name__,
+        )
+        self.algorithm = algorithm or "sha256"
+        # RemovedInDjango51Warning.
+        if args:
+            warnings.warn(
+                f"Passing positional arguments to {self.__class__.__name__} is "
+                f"deprecated.",
+                RemovedInDjango51Warning,
+                stacklevel=2,
+            )
+            for arg, attr in zip(
+                args, ["key", "sep", "salt", "algorithm", "fallback_keys"]
+            ):
+                if arg or attr == "sep":
+                    setattr(self, attr, arg)
+        if _SEP_UNSAFE.match(self.sep):
+            raise ValueError(
+                "Unsafe Signer separator: %r (cannot be empty or consist of "
+                "only A-z0-9-_=)" % sep,
+            )
+
+    def signature(self, value, key=None):
+        key = key or self.key
+        return base64_hmac(self.salt + "signer", value, key, algorithm=self.algorithm)
+
+    def sign(self, value):
+        return "%s%s%s" % (value, self.sep, self.signature(value))
+
+    def unsign(self, signed_value):
+        if self.sep not in signed_value:
+            raise BadSignature('No "%s" found in value' % self.sep)
+        value, sig = signed_value.rsplit(self.sep, 1)
+        for key in [self.key, *self.fallback_keys]:
+            if constant_time_compare(sig, self.signature(value, key)):
+                return value
+        raise BadSignature('Signature "%s" does not match' % sig)
+
+    def sign_object(self, obj, serializer=JSONSerializer, compress=False):
+        """
+        Return URL-safe, hmac signed base64 compressed JSON string.
+
+        If compress is True (not the default), check if compressing using zlib
+        can save some space. Prepend a '.' to signify compression. This is
+        included in the signature, to protect against zip bombs.
+
+        The serializer is expected to return a bytestring.
+        """
+        data = serializer().dumps(obj)
+        # Flag for if it's been compressed or not.
+        is_compressed = False
+
+        if compress:
+            # Avoid zlib dependency unless compress is being used.
+            compressed = zlib.compress(data)
+            if len(compressed) < (len(data) - 1):
+                data = compressed
+                is_compressed = True
+        base64d = b64_encode(data).decode()
+        if is_compressed:
+            base64d = "." + base64d
+        return self.sign(base64d)
+
+    def unsign_object(self, signed_obj, serializer=JSONSerializer, **kwargs):
+        # Signer.unsign() returns str but base64 and zlib compression operate
+        # on bytes.
+        base64d = self.unsign(signed_obj, **kwargs).encode()
+        decompress = base64d[:1] == b"."
+        if decompress:
+            # It's compressed; uncompress it first.
+            base64d = base64d[1:]
+        data = b64_decode(base64d)
+        if decompress:
+            data = zlib.decompress(data)
+        return serializer().loads(data)
+
+
+class TimestampSigner(Signer):
+    def timestamp(self):
+        return b62_encode(int(time.time()))
+
+    def sign(self, value):
+        value = "%s%s%s" % (value, self.sep, self.timestamp())
+        return super().sign(value)
+
+    def unsign(self, value, max_age=None):
+        """
+        Retrieve original value and check it wasn't signed more
+        than max_age seconds ago.
+        """
+        result = super().unsign(value)
+        value, timestamp = result.rsplit(self.sep, 1)
+        timestamp = b62_decode(timestamp)
+        if max_age is not None:
+            if isinstance(max_age, datetime.timedelta):
+                max_age = max_age.total_seconds()
+            # Check timestamp is not older than max_age
+            age = time.time() - timestamp
+            if age > max_age:
+                raise SignatureExpired("Signature age %s > %s seconds" % (age, max_age))
+        return value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/validators.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/validators.py
new file mode 100644
index 00000000..fe8d4652
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/validators.py
@@ -0,0 +1,642 @@
+import ipaddress
+import math
+import re
+from pathlib import Path
+from urllib.parse import urlsplit, urlunsplit
+
+from django.core.exceptions import ValidationError
+from django.utils.deconstruct import deconstructible
+from django.utils.encoding import punycode
+from django.utils.ipv6 import is_valid_ipv6_address
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ngettext_lazy
+
+# These values, if given to validate(), will trigger the self.required check.
+EMPTY_VALUES = (None, "", [], (), {})
+
+
+@deconstructible
+class RegexValidator:
+    regex = ""
+    message = _("Enter a valid value.")
+    code = "invalid"
+    inverse_match = False
+    flags = 0
+
+    def __init__(
+        self, regex=None, message=None, code=None, inverse_match=None, flags=None
+    ):
+        if regex is not None:
+            self.regex = regex
+        if message is not None:
+            self.message = message
+        if code is not None:
+            self.code = code
+        if inverse_match is not None:
+            self.inverse_match = inverse_match
+        if flags is not None:
+            self.flags = flags
+        if self.flags and not isinstance(self.regex, str):
+            raise TypeError(
+                "If the flags are set, regex must be a regular expression string."
+            )
+
+        self.regex = _lazy_re_compile(self.regex, self.flags)
+
+    def __call__(self, value):
+        """
+        Validate that the input contains (or does *not* contain, if
+        inverse_match is True) a match for the regular expression.
+        """
+        regex_matches = self.regex.search(str(value))
+        invalid_input = regex_matches if self.inverse_match else not regex_matches
+        if invalid_input:
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, RegexValidator)
+            and self.regex.pattern == other.regex.pattern
+            and self.regex.flags == other.regex.flags
+            and (self.message == other.message)
+            and (self.code == other.code)
+            and (self.inverse_match == other.inverse_match)
+        )
+
+
+@deconstructible
+class URLValidator(RegexValidator):
+    ul = "\u00a1-\uffff"  # Unicode letters range (must not be a raw string).
+
+    # IP patterns
+    ipv4_re = (
+        r"(?:0|25[0-5]|2[0-4][0-9]|1[0-9]?[0-9]?|[1-9][0-9]?)"
+        r"(?:\.(?:0|25[0-5]|2[0-4][0-9]|1[0-9]?[0-9]?|[1-9][0-9]?)){3}"
+    )
+    ipv6_re = r"\[[0-9a-f:.]+\]"  # (simple regex, validated later)
+
+    # Host patterns
+    hostname_re = (
+        r"[a-z" + ul + r"0-9](?:[a-z" + ul + r"0-9-]{0,61}[a-z" + ul + r"0-9])?"
+    )
+    # Max length for domain name labels is 63 characters per RFC 1034 sec. 3.1
+    domain_re = r"(?:\.(?!-)[a-z" + ul + r"0-9-]{1,63}(?<!-))*"
+    tld_re = (
+        r"\."  # dot
+        r"(?!-)"  # can't start with a dash
+        r"(?:[a-z" + ul + "-]{2,63}"  # domain label
+        r"|xn--[a-z0-9]{1,59})"  # or punycode label
+        r"(?<!-)"  # can't end with a dash
+        r"\.?"  # may have a trailing dot
+    )
+    host_re = "(" + hostname_re + domain_re + tld_re + "|localhost)"
+
+    regex = _lazy_re_compile(
+        r"^(?:[a-z0-9.+-]*)://"  # scheme is validated separately
+        r"(?:[^\s:@/]+(?::[^\s:@/]*)?@)?"  # user:pass authentication
+        r"(?:" + ipv4_re + "|" + ipv6_re + "|" + host_re + ")"
+        r"(?::[0-9]{1,5})?"  # port
+        r"(?:[/?#][^\s]*)?"  # resource path
+        r"\Z",
+        re.IGNORECASE,
+    )
+    message = _("Enter a valid URL.")
+    schemes = ["http", "https", "ftp", "ftps"]
+    unsafe_chars = frozenset("\t\r\n")
+    max_length = 2048
+
+    def __init__(self, schemes=None, **kwargs):
+        super().__init__(**kwargs)
+        if schemes is not None:
+            self.schemes = schemes
+
+    def __call__(self, value):
+        if not isinstance(value, str) or len(value) > self.max_length:
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+        if self.unsafe_chars.intersection(value):
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+        # Check if the scheme is valid.
+        scheme = value.split("://")[0].lower()
+        if scheme not in self.schemes:
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+
+        # Then check full URL
+        try:
+            splitted_url = urlsplit(value)
+        except ValueError:
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+        try:
+            super().__call__(value)
+        except ValidationError as e:
+            # Trivial case failed. Try for possible IDN domain
+            if value:
+                scheme, netloc, path, query, fragment = splitted_url
+                try:
+                    netloc = punycode(netloc)  # IDN -> ACE
+                except UnicodeError:  # invalid domain part
+                    raise e
+                url = urlunsplit((scheme, netloc, path, query, fragment))
+                super().__call__(url)
+            else:
+                raise
+        else:
+            # Now verify IPv6 in the netloc part
+            host_match = re.search(r"^\[(.+)\](?::[0-9]{1,5})?$", splitted_url.netloc)
+            if host_match:
+                potential_ip = host_match[1]
+                try:
+                    validate_ipv6_address(potential_ip)
+                except ValidationError:
+                    raise ValidationError(
+                        self.message, code=self.code, params={"value": value}
+                    )
+
+        # The maximum length of a full host name is 253 characters per RFC 1034
+        # section 3.1. It's defined to be 255 bytes or less, but this includes
+        # one byte for the length of the name and one byte for the trailing dot
+        # that's used to indicate absolute names in DNS.
+        if splitted_url.hostname is None or len(splitted_url.hostname) > 253:
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+
+
+integer_validator = RegexValidator(
+    _lazy_re_compile(r"^-?\d+\Z"),
+    message=_("Enter a valid integer."),
+    code="invalid",
+)
+
+
+def validate_integer(value):
+    return integer_validator(value)
+
+
+@deconstructible
+class EmailValidator:
+    message = _("Enter a valid email address.")
+    code = "invalid"
+    user_regex = _lazy_re_compile(
+        # dot-atom
+        r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*\Z"
+        # quoted-string
+        r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])'
+        r'*"\Z)',
+        re.IGNORECASE,
+    )
+    domain_regex = _lazy_re_compile(
+        # max length for domain name labels is 63 characters per RFC 1034
+        r"((?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+)(?:[A-Z0-9-]{2,63}(?<!-))\Z",
+        re.IGNORECASE,
+    )
+    literal_regex = _lazy_re_compile(
+        # literal form, ipv4 or ipv6 address (SMTP 4.1.3)
+        r"\[([A-F0-9:.]+)\]\Z",
+        re.IGNORECASE,
+    )
+    domain_allowlist = ["localhost"]
+
+    def __init__(self, message=None, code=None, allowlist=None):
+        if message is not None:
+            self.message = message
+        if code is not None:
+            self.code = code
+        if allowlist is not None:
+            self.domain_allowlist = allowlist
+
+    def __call__(self, value):
+        # The maximum length of an email is 320 characters per RFC 3696
+        # section 3.
+        if not value or "@" not in value or len(value) > 320:
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+
+        user_part, domain_part = value.rsplit("@", 1)
+
+        if not self.user_regex.match(user_part):
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+
+        if domain_part not in self.domain_allowlist and not self.validate_domain_part(
+            domain_part
+        ):
+            # Try for possible IDN domain-part
+            try:
+                domain_part = punycode(domain_part)
+            except UnicodeError:
+                pass
+            else:
+                if self.validate_domain_part(domain_part):
+                    return
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+
+    def validate_domain_part(self, domain_part):
+        if self.domain_regex.match(domain_part):
+            return True
+
+        literal_match = self.literal_regex.match(domain_part)
+        if literal_match:
+            ip_address = literal_match[1]
+            try:
+                validate_ipv46_address(ip_address)
+                return True
+            except ValidationError:
+                pass
+        return False
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, EmailValidator)
+            and (self.domain_allowlist == other.domain_allowlist)
+            and (self.message == other.message)
+            and (self.code == other.code)
+        )
+
+
+validate_email = EmailValidator()
+
+slug_re = _lazy_re_compile(r"^[-a-zA-Z0-9_]+\Z")
+validate_slug = RegexValidator(
+    slug_re,
+    # Translators: "letters" means latin letters: a-z and A-Z.
+    _("Enter a valid “slug” consisting of letters, numbers, underscores or hyphens."),
+    "invalid",
+)
+
+slug_unicode_re = _lazy_re_compile(r"^[-\w]+\Z")
+validate_unicode_slug = RegexValidator(
+    slug_unicode_re,
+    _(
+        "Enter a valid “slug” consisting of Unicode letters, numbers, underscores, or "
+        "hyphens."
+    ),
+    "invalid",
+)
+
+
+def validate_ipv4_address(value):
+    try:
+        ipaddress.IPv4Address(value)
+    except ValueError:
+        raise ValidationError(
+            _("Enter a valid IPv4 address."), code="invalid", params={"value": value}
+        )
+
+
+def validate_ipv6_address(value):
+    if not is_valid_ipv6_address(value):
+        raise ValidationError(
+            _("Enter a valid IPv6 address."), code="invalid", params={"value": value}
+        )
+
+
+def validate_ipv46_address(value):
+    try:
+        validate_ipv4_address(value)
+    except ValidationError:
+        try:
+            validate_ipv6_address(value)
+        except ValidationError:
+            raise ValidationError(
+                _("Enter a valid IPv4 or IPv6 address."),
+                code="invalid",
+                params={"value": value},
+            )
+
+
+ip_address_validator_map = {
+    "both": ([validate_ipv46_address], _("Enter a valid IPv4 or IPv6 address.")),
+    "ipv4": ([validate_ipv4_address], _("Enter a valid IPv4 address.")),
+    "ipv6": ([validate_ipv6_address], _("Enter a valid IPv6 address.")),
+}
+
+
+def ip_address_validators(protocol, unpack_ipv4):
+    """
+    Depending on the given parameters, return the appropriate validators for
+    the GenericIPAddressField.
+    """
+    if protocol != "both" and unpack_ipv4:
+        raise ValueError(
+            "You can only use `unpack_ipv4` if `protocol` is set to 'both'"
+        )
+    try:
+        return ip_address_validator_map[protocol.lower()]
+    except KeyError:
+        raise ValueError(
+            "The protocol '%s' is unknown. Supported: %s"
+            % (protocol, list(ip_address_validator_map))
+        )
+
+
+def int_list_validator(sep=",", message=None, code="invalid", allow_negative=False):
+    regexp = _lazy_re_compile(
+        r"^%(neg)s\d+(?:%(sep)s%(neg)s\d+)*\Z"
+        % {
+            "neg": "(-)?" if allow_negative else "",
+            "sep": re.escape(sep),
+        }
+    )
+    return RegexValidator(regexp, message=message, code=code)
+
+
+validate_comma_separated_integer_list = int_list_validator(
+    message=_("Enter only digits separated by commas."),
+)
+
+
+@deconstructible
+class BaseValidator:
+    message = _("Ensure this value is %(limit_value)s (it is %(show_value)s).")
+    code = "limit_value"
+
+    def __init__(self, limit_value, message=None):
+        self.limit_value = limit_value
+        if message:
+            self.message = message
+
+    def __call__(self, value):
+        cleaned = self.clean(value)
+        limit_value = (
+            self.limit_value() if callable(self.limit_value) else self.limit_value
+        )
+        params = {"limit_value": limit_value, "show_value": cleaned, "value": value}
+        if self.compare(cleaned, limit_value):
+            raise ValidationError(self.message, code=self.code, params=params)
+
+    def __eq__(self, other):
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        return (
+            self.limit_value == other.limit_value
+            and self.message == other.message
+            and self.code == other.code
+        )
+
+    def compare(self, a, b):
+        return a is not b
+
+    def clean(self, x):
+        return x
+
+
+@deconstructible
+class MaxValueValidator(BaseValidator):
+    message = _("Ensure this value is less than or equal to %(limit_value)s.")
+    code = "max_value"
+
+    def compare(self, a, b):
+        return a > b
+
+
+@deconstructible
+class MinValueValidator(BaseValidator):
+    message = _("Ensure this value is greater than or equal to %(limit_value)s.")
+    code = "min_value"
+
+    def compare(self, a, b):
+        return a < b
+
+
+@deconstructible
+class StepValueValidator(BaseValidator):
+    message = _("Ensure this value is a multiple of step size %(limit_value)s.")
+    code = "step_size"
+
+    def __init__(self, limit_value, message=None, offset=None):
+        super().__init__(limit_value, message)
+        if offset is not None:
+            self.message = _(
+                "Ensure this value is a multiple of step size %(limit_value)s, "
+                "starting from %(offset)s, e.g. %(offset)s, %(valid_value1)s, "
+                "%(valid_value2)s, and so on."
+            )
+        self.offset = offset
+
+    def __call__(self, value):
+        if self.offset is None:
+            super().__call__(value)
+        else:
+            cleaned = self.clean(value)
+            limit_value = (
+                self.limit_value() if callable(self.limit_value) else self.limit_value
+            )
+            if self.compare(cleaned, limit_value):
+                offset = cleaned.__class__(self.offset)
+                params = {
+                    "limit_value": limit_value,
+                    "offset": offset,
+                    "valid_value1": offset + limit_value,
+                    "valid_value2": offset + 2 * limit_value,
+                }
+                raise ValidationError(self.message, code=self.code, params=params)
+
+    def compare(self, a, b):
+        offset = 0 if self.offset is None else self.offset
+        return not math.isclose(math.remainder(a - offset, b), 0, abs_tol=1e-9)
+
+
+@deconstructible
+class MinLengthValidator(BaseValidator):
+    message = ngettext_lazy(
+        "Ensure this value has at least %(limit_value)d character (it has "
+        "%(show_value)d).",
+        "Ensure this value has at least %(limit_value)d characters (it has "
+        "%(show_value)d).",
+        "limit_value",
+    )
+    code = "min_length"
+
+    def compare(self, a, b):
+        return a < b
+
+    def clean(self, x):
+        return len(x)
+
+
+@deconstructible
+class MaxLengthValidator(BaseValidator):
+    message = ngettext_lazy(
+        "Ensure this value has at most %(limit_value)d character (it has "
+        "%(show_value)d).",
+        "Ensure this value has at most %(limit_value)d characters (it has "
+        "%(show_value)d).",
+        "limit_value",
+    )
+    code = "max_length"
+
+    def compare(self, a, b):
+        return a > b
+
+    def clean(self, x):
+        return len(x)
+
+
+@deconstructible
+class DecimalValidator:
+    """
+    Validate that the input does not exceed the maximum number of digits
+    expected, otherwise raise ValidationError.
+    """
+
+    messages = {
+        "invalid": _("Enter a number."),
+        "max_digits": ngettext_lazy(
+            "Ensure that there are no more than %(max)s digit in total.",
+            "Ensure that there are no more than %(max)s digits in total.",
+            "max",
+        ),
+        "max_decimal_places": ngettext_lazy(
+            "Ensure that there are no more than %(max)s decimal place.",
+            "Ensure that there are no more than %(max)s decimal places.",
+            "max",
+        ),
+        "max_whole_digits": ngettext_lazy(
+            "Ensure that there are no more than %(max)s digit before the decimal "
+            "point.",
+            "Ensure that there are no more than %(max)s digits before the decimal "
+            "point.",
+            "max",
+        ),
+    }
+
+    def __init__(self, max_digits, decimal_places):
+        self.max_digits = max_digits
+        self.decimal_places = decimal_places
+
+    def __call__(self, value):
+        digit_tuple, exponent = value.as_tuple()[1:]
+        if exponent in {"F", "n", "N"}:
+            raise ValidationError(
+                self.messages["invalid"], code="invalid", params={"value": value}
+            )
+        if exponent >= 0:
+            digits = len(digit_tuple)
+            if digit_tuple != (0,):
+                # A positive exponent adds that many trailing zeros.
+                digits += exponent
+            decimals = 0
+        else:
+            # If the absolute value of the negative exponent is larger than the
+            # number of digits, then it's the same as the number of digits,
+            # because it'll consume all of the digits in digit_tuple and then
+            # add abs(exponent) - len(digit_tuple) leading zeros after the
+            # decimal point.
+            if abs(exponent) > len(digit_tuple):
+                digits = decimals = abs(exponent)
+            else:
+                digits = len(digit_tuple)
+                decimals = abs(exponent)
+        whole_digits = digits - decimals
+
+        if self.max_digits is not None and digits > self.max_digits:
+            raise ValidationError(
+                self.messages["max_digits"],
+                code="max_digits",
+                params={"max": self.max_digits, "value": value},
+            )
+        if self.decimal_places is not None and decimals > self.decimal_places:
+            raise ValidationError(
+                self.messages["max_decimal_places"],
+                code="max_decimal_places",
+                params={"max": self.decimal_places, "value": value},
+            )
+        if (
+            self.max_digits is not None
+            and self.decimal_places is not None
+            and whole_digits > (self.max_digits - self.decimal_places)
+        ):
+            raise ValidationError(
+                self.messages["max_whole_digits"],
+                code="max_whole_digits",
+                params={"max": (self.max_digits - self.decimal_places), "value": value},
+            )
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, self.__class__)
+            and self.max_digits == other.max_digits
+            and self.decimal_places == other.decimal_places
+        )
+
+
+@deconstructible
+class FileExtensionValidator:
+    message = _(
+        "File extension “%(extension)s” is not allowed. "
+        "Allowed extensions are: %(allowed_extensions)s."
+    )
+    code = "invalid_extension"
+
+    def __init__(self, allowed_extensions=None, message=None, code=None):
+        if allowed_extensions is not None:
+            allowed_extensions = [
+                allowed_extension.lower() for allowed_extension in allowed_extensions
+            ]
+        self.allowed_extensions = allowed_extensions
+        if message is not None:
+            self.message = message
+        if code is not None:
+            self.code = code
+
+    def __call__(self, value):
+        extension = Path(value.name).suffix[1:].lower()
+        if (
+            self.allowed_extensions is not None
+            and extension not in self.allowed_extensions
+        ):
+            raise ValidationError(
+                self.message,
+                code=self.code,
+                params={
+                    "extension": extension,
+                    "allowed_extensions": ", ".join(self.allowed_extensions),
+                    "value": value,
+                },
+            )
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, self.__class__)
+            and self.allowed_extensions == other.allowed_extensions
+            and self.message == other.message
+            and self.code == other.code
+        )
+
+
+def get_available_image_extensions():
+    try:
+        from PIL import Image
+    except ImportError:
+        return []
+    else:
+        Image.init()
+        return [ext.lower()[1:] for ext in Image.EXTENSION]
+
+
+def validate_image_file_extension(value):
+    return FileExtensionValidator(allowed_extensions=get_available_image_extensions())(
+        value
+    )
+
+
+@deconstructible
+class ProhibitNullCharactersValidator:
+    """Validate that the string doesn't contain the null character."""
+
+    message = _("Null characters are not allowed.")
+    code = "null_characters_not_allowed"
+
+    def __init__(self, message=None, code=None):
+        if message is not None:
+            self.message = message
+        if code is not None:
+            self.code = code
+
+    def __call__(self, value):
+        if "\x00" in str(value):
+            raise ValidationError(self.message, code=self.code, params={"value": value})
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, self.__class__)
+            and self.message == other.message
+            and self.code == other.code
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/core/wsgi.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/wsgi.py
new file mode 100644
index 00000000..35e0fa8e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/core/wsgi.py
@@ -0,0 +1,13 @@
+import django
+from django.core.handlers.wsgi import WSGIHandler
+
+
+def get_wsgi_application():
+    """
+    The public interface to Django's WSGI support. Return a WSGI callable.
+
+    Avoids making django.core.handlers.WSGIHandler a public API, in case the
+    internal WSGI implementation changes or moves in the future.
+    """
+    django.setup(set_prefix=False)
+    return WSGIHandler()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__init__.py
new file mode 100644
index 00000000..f3cf4574
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__init__.py
@@ -0,0 +1,61 @@
+from django.core import signals
+from django.db.utils import (
+    DEFAULT_DB_ALIAS,
+    DJANGO_VERSION_PICKLE_KEY,
+    ConnectionHandler,
+    ConnectionRouter,
+    DatabaseError,
+    DataError,
+    Error,
+    IntegrityError,
+    InterfaceError,
+    InternalError,
+    NotSupportedError,
+    OperationalError,
+    ProgrammingError,
+)
+from django.utils.connection import ConnectionProxy
+
+__all__ = [
+    "connection",
+    "connections",
+    "router",
+    "DatabaseError",
+    "IntegrityError",
+    "InternalError",
+    "ProgrammingError",
+    "DataError",
+    "NotSupportedError",
+    "Error",
+    "InterfaceError",
+    "OperationalError",
+    "DEFAULT_DB_ALIAS",
+    "DJANGO_VERSION_PICKLE_KEY",
+]
+
+connections = ConnectionHandler()
+
+router = ConnectionRouter()
+
+# For backwards compatibility. Prefer connections['default'] instead.
+connection = ConnectionProxy(connections, DEFAULT_DB_ALIAS)
+
+
+# Register an event to reset saved queries when a Django request is started.
+def reset_queries(**kwargs):
+    for conn in connections.all(initialized_only=True):
+        conn.queries_log.clear()
+
+
+signals.request_started.connect(reset_queries)
+
+
+# Register an event to reset transaction state and close connections past
+# their lifetime.
+def close_old_connections(**kwargs):
+    for conn in connections.all(initialized_only=True):
+        conn.close_if_unusable_or_obsolete()
+
+
+signals.request_started.connect(close_old_connections)
+signals.request_finished.connect(close_old_connections)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..eb8d19a3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__pycache__/transaction.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/__pycache__/transaction.cpython-311.pyc
new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/base.py
@@ -0,0 +1,788 @@
+import _thread
+import copy
+import datetime
+import logging
+import threading
+import time
+import warnings
+import zoneinfo
+from collections import deque
+from contextlib import contextmanager
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.db import DEFAULT_DB_ALIAS, DatabaseError, NotSupportedError
+from django.db.backends import utils
+from django.db.backends.base.validation import BaseDatabaseValidation
+from django.db.backends.signals import connection_created
+from django.db.backends.utils import debug_transaction
+from django.db.transaction import TransactionManagementError
+from django.db.utils import DatabaseErrorWrapper
+from django.utils.asyncio import async_unsafe
+from django.utils.functional import cached_property
+
+NO_DB_ALIAS = "__no_db__"
+RAN_DB_VERSION_CHECK = set()
+
+logger = logging.getLogger("django.db.backends.base")
+
+
+class BaseDatabaseWrapper:
+    """Represent a database connection."""
+
+    # Mapping of Field objects to their column types.
+    data_types = {}
+    # Mapping of Field objects to their SQL suffix such as AUTOINCREMENT.
+    data_types_suffix = {}
+    # Mapping of Field objects to their SQL for CHECK constraints.
+    data_type_check_constraints = {}
+    ops = None
+    vendor = "unknown"
+    display_name = "unknown"
+    SchemaEditorClass = None
+    # Classes instantiated in __init__().
+    client_class = None
+    creation_class = None
+    features_class = None
+    introspection_class = None
+    ops_class = None
+    validation_class = BaseDatabaseValidation
+
+    queries_limit = 9000
+
+    def __init__(self, settings_dict, alias=DEFAULT_DB_ALIAS):
+        # Connection related attributes.
+        # The underlying database connection.
+        self.connection = None
+        # `settings_dict` should be a dictionary containing keys such as
+        # NAME, USER, etc. It's called `settings_dict` instead of `settings`
+        # to disambiguate it from Django settings modules.
+        self.settings_dict = settings_dict
+        self.alias = alias
+        # Query logging in debug mode or when explicitly enabled.
+        self.queries_log = deque(maxlen=self.queries_limit)
+        self.force_debug_cursor = False
+
+        # Transaction related attributes.
+        # Tracks if the connection is in autocommit mode. Per PEP 249, by
+        # default, it isn't.
+        self.autocommit = False
+        # Tracks if the connection is in a transaction managed by 'atomic'.
+        self.in_atomic_block = False
+        # Increment to generate unique savepoint ids.
+        self.savepoint_state = 0
+        # List of savepoints created by 'atomic'.
+        self.savepoint_ids = []
+        # Stack of active 'atomic' blocks.
+        self.atomic_blocks = []
+        # Tracks if the outermost 'atomic' block should commit on exit,
+        # ie. if autocommit was active on entry.
+        self.commit_on_exit = True
+        # Tracks if the transaction should be rolled back to the next
+        # available savepoint because of an exception in an inner block.
+        self.needs_rollback = False
+        self.rollback_exc = None
+
+        # Connection termination related attributes.
+        self.close_at = None
+        self.closed_in_transaction = False
+        self.errors_occurred = False
+        self.health_check_enabled = False
+        self.health_check_done = False
+
+        # Thread-safety related attributes.
+        self._thread_sharing_lock = threading.Lock()
+        self._thread_sharing_count = 0
+        self._thread_ident = _thread.get_ident()
+
+        # A list of no-argument functions to run when the transaction commits.
+        # Each entry is an (sids, func, robust) tuple, where sids is a set of
+        # the active savepoint IDs when this function was registered and robust
+        # specifies whether it's allowed for the function to fail.
+        self.run_on_commit = []
+
+        # Should we run the on-commit hooks the next time set_autocommit(True)
+        # is called?
+        self.run_commit_hooks_on_set_autocommit_on = False
+
+        # A stack of wrappers to be invoked around execute()/executemany()
+        # calls. Each entry is a function taking five arguments: execute, sql,
+        # params, many, and context. It's the function's responsibility to
+        # call execute(sql, params, many, context).
+        self.execute_wrappers = []
+
+        self.client = self.client_class(self)
+        self.creation = self.creation_class(self)
+        self.features = self.features_class(self)
+        self.introspection = self.introspection_class(self)
+        self.ops = self.ops_class(self)
+        self.validation = self.validation_class(self)
+
+    def __repr__(self):
+        return (
+            f"<{self.__class__.__qualname__} "
+            f"vendor={self.vendor!r} alias={self.alias!r}>"
+        )
+
+    def ensure_timezone(self):
+        """
+        Ensure the connection's timezone is set to `self.timezone_name` and
+        return whether it changed or not.
+        """
+        return False
+
+    @cached_property
+    def timezone(self):
+        """
+        Return a tzinfo of the database connection time zone.
+
+        This is only used when time zone support is enabled. When a datetime is
+        read from the database, it is always returned in this time zone.
+
+        When the database backend supports time zones, it doesn't matter which
+        time zone Django uses, as long as aware datetimes are used everywhere.
+        Other users connecting to the database can choose their own time zone.
+
+        When the database backend doesn't support time zones, the time zone
+        Django uses may be constrained by the requirements of other users of
+        the database.
+        """
+        if not settings.USE_TZ:
+            return None
+        elif self.settings_dict["TIME_ZONE"] is None:
+            return datetime.timezone.utc
+        else:
+            return zoneinfo.ZoneInfo(self.settings_dict["TIME_ZONE"])
+
+    @cached_property
+    def timezone_name(self):
+        """
+        Name of the time zone of the database connection.
+        """
+        if not settings.USE_TZ:
+            return settings.TIME_ZONE
+        elif self.settings_dict["TIME_ZONE"] is None:
+            return "UTC"
+        else:
+            return self.settings_dict["TIME_ZONE"]
+
+    @property
+    def queries_logged(self):
+        return self.force_debug_cursor or settings.DEBUG
+
+    @property
+    def queries(self):
+        if len(self.queries_log) == self.queries_log.maxlen:
+            warnings.warn(
+                "Limit for query logging exceeded, only the last {} queries "
+                "will be returned.".format(self.queries_log.maxlen)
+            )
+        return list(self.queries_log)
+
+    def get_database_version(self):
+        """Return a tuple of the database's version."""
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseWrapper may require a get_database_version() "
+            "method."
+        )
+
+    def check_database_version_supported(self):
+        """
+        Raise an error if the database version isn't supported by this
+        version of Django.
+        """
+        if (
+            self.features.minimum_database_version is not None
+            and self.get_database_version() < self.features.minimum_database_version
+        ):
+            db_version = ".".join(map(str, self.get_database_version()))
+            min_db_version = ".".join(map(str, self.features.minimum_database_version))
+            raise NotSupportedError(
+                f"{self.display_name} {min_db_version} or later is required "
+                f"(found {db_version})."
+            )
+
+    # ##### Backend-specific methods for creating connections and cursors #####
+
+    def get_connection_params(self):
+        """Return a dict of parameters suitable for get_new_connection."""
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseWrapper may require a get_connection_params() "
+            "method"
+        )
+
+    def get_new_connection(self, conn_params):
+        """Open a connection to the database."""
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseWrapper may require a get_new_connection() "
+            "method"
+        )
+
+    def init_connection_state(self):
+        """Initialize the database connection settings."""
+        global RAN_DB_VERSION_CHECK
+        if self.alias not in RAN_DB_VERSION_CHECK:
+            self.check_database_version_supported()
+            RAN_DB_VERSION_CHECK.add(self.alias)
+
+    def create_cursor(self, name=None):
+        """Create a cursor. Assume that a connection is established."""
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseWrapper may require a create_cursor() method"
+        )
+
+    # ##### Backend-specific methods for creating connections #####
+
+    @async_unsafe
+    def connect(self):
+        """Connect to the database. Assume that the connection is closed."""
+        # Check for invalid configurations.
+        self.check_settings()
+        # In case the previous connection was closed while in an atomic block
+        self.in_atomic_block = False
+        self.savepoint_ids = []
+        self.atomic_blocks = []
+        self.needs_rollback = False
+        # Reset parameters defining when to close/health-check the connection.
+        self.health_check_enabled = self.settings_dict["CONN_HEALTH_CHECKS"]
+        max_age = self.settings_dict["CONN_MAX_AGE"]
+        self.close_at = None if max_age is None else time.monotonic() + max_age
+        self.closed_in_transaction = False
+        self.errors_occurred = False
+        # New connections are healthy.
+        self.health_check_done = True
+        # Establish the connection
+        conn_params = self.get_connection_params()
+        self.connection = self.get_new_connection(conn_params)
+        self.set_autocommit(self.settings_dict["AUTOCOMMIT"])
+        self.init_connection_state()
+        connection_created.send(sender=self.__class__, connection=self)
+
+        self.run_on_commit = []
+
+    def check_settings(self):
+        if self.settings_dict["TIME_ZONE"] is not None and not settings.USE_TZ:
+            raise ImproperlyConfigured(
+                "Connection '%s' cannot set TIME_ZONE because USE_TZ is False."
+                % self.alias
+            )
+
+    @async_unsafe
+    def ensure_connection(self):
+        """Guarantee that a connection to the database is established."""
+        if self.connection is None:
+            with self.wrap_database_errors:
+                self.connect()
+
+    # ##### Backend-specific wrappers for PEP-249 connection methods #####
+
+    def _prepare_cursor(self, cursor):
+        """
+        Validate the connection is usable and perform database cursor wrapping.
+        """
+        self.validate_thread_sharing()
+        if self.queries_logged:
+            wrapped_cursor = self.make_debug_cursor(cursor)
+        else:
+            wrapped_cursor = self.make_cursor(cursor)
+        return wrapped_cursor
+
+    def _cursor(self, name=None):
+        self.close_if_health_check_failed()
+        self.ensure_connection()
+        with self.wrap_database_errors:
+            return self._prepare_cursor(self.create_cursor(name))
+
+    def _commit(self):
+        if self.connection is not None:
+            with debug_transaction(self, "COMMIT"), self.wrap_database_errors:
+                return self.connection.commit()
+
+    def _rollback(self):
+        if self.connection is not None:
+            with debug_transaction(self, "ROLLBACK"), self.wrap_database_errors:
+                return self.connection.rollback()
+
+    def _close(self):
+        if self.connection is not None:
+            with self.wrap_database_errors:
+                return self.connection.close()
+
+    # ##### Generic wrappers for PEP-249 connection methods #####
+
+    @async_unsafe
+    def cursor(self):
+        """Create a cursor, opening a connection if necessary."""
+        return self._cursor()
+
+    @async_unsafe
+    def commit(self):
+        """Commit a transaction and reset the dirty flag."""
+        self.validate_thread_sharing()
+        self.validate_no_atomic_block()
+        self._commit()
+        # A successful commit means that the database connection works.
+        self.errors_occurred = False
+        self.run_commit_hooks_on_set_autocommit_on = True
+
+    @async_unsafe
+    def rollback(self):
+        """Roll back a transaction and reset the dirty flag."""
+        self.validate_thread_sharing()
+        self.validate_no_atomic_block()
+        self._rollback()
+        # A successful rollback means that the database connection works.
+        self.errors_occurred = False
+        self.needs_rollback = False
+        self.run_on_commit = []
+
+    @async_unsafe
+    def close(self):
+        """Close the connection to the database."""
+        self.validate_thread_sharing()
+        self.run_on_commit = []
+
+        # Don't call validate_no_atomic_block() to avoid making it difficult
+        # to get rid of a connection in an invalid state. The next connect()
+        # will reset the transaction state anyway.
+        if self.closed_in_transaction or self.connection is None:
+            return
+        try:
+            self._close()
+        finally:
+            if self.in_atomic_block:
+                self.closed_in_transaction = True
+                self.needs_rollback = True
+            else:
+                self.connection = None
+
+    # ##### Backend-specific savepoint management methods #####
+
+    def _savepoint(self, sid):
+        with self.cursor() as cursor:
+            cursor.execute(self.ops.savepoint_create_sql(sid))
+
+    def _savepoint_rollback(self, sid):
+        with self.cursor() as cursor:
+            cursor.execute(self.ops.savepoint_rollback_sql(sid))
+
+    def _savepoint_commit(self, sid):
+        with self.cursor() as cursor:
+            cursor.execute(self.ops.savepoint_commit_sql(sid))
+
+    def _savepoint_allowed(self):
+        # Savepoints cannot be created outside a transaction
+        return self.features.uses_savepoints and not self.get_autocommit()
+
+    # ##### Generic savepoint management methods #####
+
+    @async_unsafe
+    def savepoint(self):
+        """
+        Create a savepoint inside the current transaction. Return an
+        identifier for the savepoint that will be used for the subsequent
+        rollback or commit. Do nothing if savepoints are not supported.
+        """
+        if not self._savepoint_allowed():
+            return
+
+        thread_ident = _thread.get_ident()
+        tid = str(thread_ident).replace("-", "")
+
+        self.savepoint_state += 1
+        sid = "s%s_x%d" % (tid, self.savepoint_state)
+
+        self.validate_thread_sharing()
+        self._savepoint(sid)
+
+        return sid
+
+    @async_unsafe
+    def savepoint_rollback(self, sid):
+        """
+        Roll back to a savepoint. Do nothing if savepoints are not supported.
+        """
+        if not self._savepoint_allowed():
+            return
+
+        self.validate_thread_sharing()
+        self._savepoint_rollback(sid)
+
+        # Remove any callbacks registered while this savepoint was active.
+        self.run_on_commit = [
+            (sids, func, robust)
+            for (sids, func, robust) in self.run_on_commit
+            if sid not in sids
+        ]
+
+    @async_unsafe
+    def savepoint_commit(self, sid):
+        """
+        Release a savepoint. Do nothing if savepoints are not supported.
+        """
+        if not self._savepoint_allowed():
+            return
+
+        self.validate_thread_sharing()
+        self._savepoint_commit(sid)
+
+    @async_unsafe
+    def clean_savepoints(self):
+        """
+        Reset the counter used to generate unique savepoint ids in this thread.
+        """
+        self.savepoint_state = 0
+
+    # ##### Backend-specific transaction management methods #####
+
+    def _set_autocommit(self, autocommit):
+        """
+        Backend-specific implementation to enable or disable autocommit.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseWrapper may require a _set_autocommit() method"
+        )
+
+    # ##### Generic transaction management methods #####
+
+    def get_autocommit(self):
+        """Get the autocommit state."""
+        self.ensure_connection()
+        return self.autocommit
+
+    def set_autocommit(
+        self, autocommit, force_begin_transaction_with_broken_autocommit=False
+    ):
+        """
+        Enable or disable autocommit.
+
+        The usual way to start a transaction is to turn autocommit off.
+        SQLite does not properly start a transaction when disabling
+        autocommit. To avoid this buggy behavior and to actually enter a new
+        transaction, an explicit BEGIN is required. Using
+        force_begin_transaction_with_broken_autocommit=True will issue an
+        explicit BEGIN with SQLite. This option will be ignored for other
+        backends.
+        """
+        self.validate_no_atomic_block()
+        self.close_if_health_check_failed()
+        self.ensure_connection()
+
+        start_transaction_under_autocommit = (
+            force_begin_transaction_with_broken_autocommit
+            and not autocommit
+            and hasattr(self, "_start_transaction_under_autocommit")
+        )
+
+        if start_transaction_under_autocommit:
+            self._start_transaction_under_autocommit()
+        elif autocommit:
+            self._set_autocommit(autocommit)
+        else:
+            with debug_transaction(self, "BEGIN"):
+                self._set_autocommit(autocommit)
+        self.autocommit = autocommit
+
+        if autocommit and self.run_commit_hooks_on_set_autocommit_on:
+            self.run_and_clear_commit_hooks()
+            self.run_commit_hooks_on_set_autocommit_on = False
+
+    def get_rollback(self):
+        """Get the "needs rollback" flag -- for *advanced use* only."""
+        if not self.in_atomic_block:
+            raise TransactionManagementError(
+                "The rollback flag doesn't work outside of an 'atomic' block."
+            )
+        return self.needs_rollback
+
+    def set_rollback(self, rollback):
+        """
+        Set or unset the "needs rollback" flag -- for *advanced use* only.
+        """
+        if not self.in_atomic_block:
+            raise TransactionManagementError(
+                "The rollback flag doesn't work outside of an 'atomic' block."
+            )
+        self.needs_rollback = rollback
+
+    def validate_no_atomic_block(self):
+        """Raise an error if an atomic block is active."""
+        if self.in_atomic_block:
+            raise TransactionManagementError(
+                "This is forbidden when an 'atomic' block is active."
+            )
+
+    def validate_no_broken_transaction(self):
+        if self.needs_rollback:
+            raise TransactionManagementError(
+                "An error occurred in the current transaction. You can't "
+                "execute queries until the end of the 'atomic' block."
+            ) from self.rollback_exc
+
+    # ##### Foreign key constraints checks handling #####
+
+    @contextmanager
+    def constraint_checks_disabled(self):
+        """
+        Disable foreign key constraint checking.
+        """
+        disabled = self.disable_constraint_checking()
+        try:
+            yield
+        finally:
+            if disabled:
+                self.enable_constraint_checking()
+
+    def disable_constraint_checking(self):
+        """
+        Backends can implement as needed to temporarily disable foreign key
+        constraint checking. Should return True if the constraints were
+        disabled and will need to be reenabled.
+        """
+        return False
+
+    def enable_constraint_checking(self):
+        """
+        Backends can implement as needed to re-enable foreign key constraint
+        checking.
+        """
+        pass
+
+    def check_constraints(self, table_names=None):
+        """
+        Backends can override this method if they can apply constraint
+        checking (e.g. via "SET CONSTRAINTS ALL IMMEDIATE"). Should raise an
+        IntegrityError if any invalid foreign key references are encountered.
+        """
+        pass
+
+    # ##### Connection termination handling #####
+
+    def is_usable(self):
+        """
+        Test if the database connection is usable.
+
+        This method may assume that self.connection is not None.
+
+        Actual implementations should take care not to raise exceptions
+        as that may prevent Django from recycling unusable connections.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseWrapper may require an is_usable() method"
+        )
+
+    def close_if_health_check_failed(self):
+        """Close existing connection if it fails a health check."""
+        if (
+            self.connection is None
+            or not self.health_check_enabled
+            or self.health_check_done
+        ):
+            return
+
+        if not self.is_usable():
+            self.close()
+        self.health_check_done = True
+
+    def close_if_unusable_or_obsolete(self):
+        """
+        Close the current connection if unrecoverable errors have occurred
+        or if it outlived its maximum age.
+        """
+        if self.connection is not None:
+            self.health_check_done = False
+            # If the application didn't restore the original autocommit setting,
+            # don't take chances, drop the connection.
+            if self.get_autocommit() != self.settings_dict["AUTOCOMMIT"]:
+                self.close()
+                return
+
+            # If an exception other than DataError or IntegrityError occurred
+            # since the last commit / rollback, check if the connection works.
+            if self.errors_occurred:
+                if self.is_usable():
+                    self.errors_occurred = False
+                    self.health_check_done = True
+                else:
+                    self.close()
+                    return
+
+            if self.close_at is not None and time.monotonic() >= self.close_at:
+                self.close()
+                return
+
+    # ##### Thread safety handling #####
+
+    @property
+    def allow_thread_sharing(self):
+        with self._thread_sharing_lock:
+            return self._thread_sharing_count > 0
+
+    def inc_thread_sharing(self):
+        with self._thread_sharing_lock:
+            self._thread_sharing_count += 1
+
+    def dec_thread_sharing(self):
+        with self._thread_sharing_lock:
+            if self._thread_sharing_count <= 0:
+                raise RuntimeError(
+                    "Cannot decrement the thread sharing count below zero."
+                )
+            self._thread_sharing_count -= 1
+
+    def validate_thread_sharing(self):
+        """
+        Validate that the connection isn't accessed by another thread than the
+        one which originally created it, unless the connection was explicitly
+        authorized to be shared between threads (via the `inc_thread_sharing()`
+        method). Raise an exception if the validation fails.
+        """
+        if not (self.allow_thread_sharing or self._thread_ident == _thread.get_ident()):
+            raise DatabaseError(
+                "DatabaseWrapper objects created in a "
+                "thread can only be used in that same thread. The object "
+                "with alias '%s' was created in thread id %s and this is "
+                "thread id %s." % (self.alias, self._thread_ident, _thread.get_ident())
+            )
+
+    # ##### Miscellaneous #####
+
+    def prepare_database(self):
+        """
+        Hook to do any database check or preparation, generally called before
+        migrating a project or an app.
+        """
+        pass
+
+    @cached_property
+    def wrap_database_errors(self):
+        """
+        Context manager and decorator that re-throws backend-specific database
+        exceptions using Django's common wrappers.
+        """
+        return DatabaseErrorWrapper(self)
+
+    def chunked_cursor(self):
+        """
+        Return a cursor that tries to avoid caching in the database (if
+        supported by the database), otherwise return a regular cursor.
+        """
+        return self.cursor()
+
+    def make_debug_cursor(self, cursor):
+        """Create a cursor that logs all queries in self.queries_log."""
+        return utils.CursorDebugWrapper(cursor, self)
+
+    def make_cursor(self, cursor):
+        """Create a cursor without debug logging."""
+        return utils.CursorWrapper(cursor, self)
+
+    @contextmanager
+    def temporary_connection(self):
+        """
+        Context manager that ensures that a connection is established, and
+        if it opened one, closes it to avoid leaving a dangling connection.
+        This is useful for operations outside of the request-response cycle.
+
+        Provide a cursor: with self.temporary_connection() as cursor: ...
+        """
+        must_close = self.connection is None
+        try:
+            with self.cursor() as cursor:
+                yield cursor
+        finally:
+            if must_close:
+                self.close()
+
+    @contextmanager
+    def _nodb_cursor(self):
+        """
+        Return a cursor from an alternative connection to be used when there is
+        no need to access the main database, specifically for test db
+        creation/deletion. This also prevents the production database from
+        being exposed to potential child threads while (or after) the test
+        database is destroyed. Refs #10868, #17786, #16969.
+        """
+        conn = self.__class__({**self.settings_dict, "NAME": None}, alias=NO_DB_ALIAS)
+        try:
+            with conn.cursor() as cursor:
+                yield cursor
+        finally:
+            conn.close()
+
+    def schema_editor(self, *args, **kwargs):
+        """
+        Return a new instance of this backend's SchemaEditor.
+        """
+        if self.SchemaEditorClass is None:
+            raise NotImplementedError(
+                "The SchemaEditorClass attribute of this database wrapper is still None"
+            )
+        return self.SchemaEditorClass(self, *args, **kwargs)
+
+    def on_commit(self, func, robust=False):
+        if not callable(func):
+            raise TypeError("on_commit()'s callback must be a callable.")
+        if self.in_atomic_block:
+            # Transaction in progress; save for execution on commit.
+            self.run_on_commit.append((set(self.savepoint_ids), func, robust))
+        elif not self.get_autocommit():
+            raise TransactionManagementError(
+                "on_commit() cannot be used in manual transaction management"
+            )
+        else:
+            # No transaction in progress and in autocommit mode; execute
+            # immediately.
+            if robust:
+                try:
+                    func()
+                except Exception as e:
+                    logger.error(
+                        f"Error calling {func.__qualname__} in on_commit() (%s).",
+                        e,
+                        exc_info=True,
+                    )
+            else:
+                func()
+
+    def run_and_clear_commit_hooks(self):
+        self.validate_no_atomic_block()
+        current_run_on_commit = self.run_on_commit
+        self.run_on_commit = []
+        while current_run_on_commit:
+            _, func, robust = current_run_on_commit.pop(0)
+            if robust:
+                try:
+                    func()
+                except Exception as e:
+                    logger.error(
+                        f"Error calling {func.__qualname__} in on_commit() during "
+                        f"transaction (%s).",
+                        e,
+                        exc_info=True,
+                    )
+            else:
+                func()
+
+    @contextmanager
+    def execute_wrapper(self, wrapper):
+        """
+        Return a context manager under which the wrapper is applied to suitable
+        database query executions.
+        """
+        self.execute_wrappers.append(wrapper)
+        try:
+            yield
+        finally:
+            self.execute_wrappers.pop()
+
+    def copy(self, alias=None):
+        """
+        Return a copy of this connection.
+
+        For tests that require two connections to the same database.
+        """
+        settings_dict = copy.deepcopy(self.settings_dict)
+        if alias is None:
+            alias = self.alias
+        return type(self)(settings_dict, alias)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/client.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/client.py
new file mode 100644
index 00000000..03105637
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/client.py
@@ -0,0 +1,28 @@
+import os
+import subprocess
+
+
+class BaseDatabaseClient:
+    """Encapsulate backend-specific methods for opening a client shell."""
+
+    # This should be a string representing the name of the executable
+    # (e.g., "psql"). Subclasses must override this.
+    executable_name = None
+
+    def __init__(self, connection):
+        # connection is an instance of BaseDatabaseWrapper.
+        self.connection = connection
+
+    @classmethod
+    def settings_to_cmd_args_env(cls, settings_dict, parameters):
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseClient must provide a "
+            "settings_to_cmd_args_env() method or override a runshell()."
+        )
+
+    def runshell(self, parameters):
+        args, env = self.settings_to_cmd_args_env(
+            self.connection.settings_dict, parameters
+        )
+        env = {**os.environ, **env} if env else None
+        subprocess.run(args, env=env, check=True)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/creation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/creation.py
new file mode 100644
index 00000000..6856fdb5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/creation.py
@@ -0,0 +1,384 @@
+import os
+import sys
+from io import StringIO
+
+from django.apps import apps
+from django.conf import settings
+from django.core import serializers
+from django.db import router
+from django.db.transaction import atomic
+from django.utils.module_loading import import_string
+
+# The prefix to put on the default database name when creating
+# the test database.
+TEST_DATABASE_PREFIX = "test_"
+
+
+class BaseDatabaseCreation:
+    """
+    Encapsulate backend-specific differences pertaining to creation and
+    destruction of the test database.
+    """
+
+    def __init__(self, connection):
+        self.connection = connection
+
+    def _nodb_cursor(self):
+        return self.connection._nodb_cursor()
+
+    def log(self, msg):
+        sys.stderr.write(msg + os.linesep)
+
+    def create_test_db(
+        self, verbosity=1, autoclobber=False, serialize=True, keepdb=False
+    ):
+        """
+        Create a test database, prompting the user for confirmation if the
+        database already exists. Return the name of the test database created.
+        """
+        # Don't import django.core.management if it isn't needed.
+        from django.core.management import call_command
+
+        test_database_name = self._get_test_db_name()
+
+        if verbosity >= 1:
+            action = "Creating"
+            if keepdb:
+                action = "Using existing"
+
+            self.log(
+                "%s test database for alias %s..."
+                % (
+                    action,
+                    self._get_database_display_str(verbosity, test_database_name),
+                )
+            )
+
+        # We could skip this call if keepdb is True, but we instead
+        # give it the keepdb param. This is to handle the case
+        # where the test DB doesn't exist, in which case we need to
+        # create it, then just not destroy it. If we instead skip
+        # this, we will get an exception.
+        self._create_test_db(verbosity, autoclobber, keepdb)
+
+        self.connection.close()
+        settings.DATABASES[self.connection.alias]["NAME"] = test_database_name
+        self.connection.settings_dict["NAME"] = test_database_name
+
+        try:
+            if self.connection.settings_dict["TEST"]["MIGRATE"] is False:
+                # Disable migrations for all apps.
+                old_migration_modules = settings.MIGRATION_MODULES
+                settings.MIGRATION_MODULES = {
+                    app.label: None for app in apps.get_app_configs()
+                }
+            # We report migrate messages at one level lower than that
+            # requested. This ensures we don't get flooded with messages during
+            # testing (unless you really ask to be flooded).
+            call_command(
+                "migrate",
+                verbosity=max(verbosity - 1, 0),
+                interactive=False,
+                database=self.connection.alias,
+                run_syncdb=True,
+            )
+        finally:
+            if self.connection.settings_dict["TEST"]["MIGRATE"] is False:
+                settings.MIGRATION_MODULES = old_migration_modules
+
+        # We then serialize the current state of the database into a string
+        # and store it on the connection. This slightly horrific process is so people
+        # who are testing on databases without transactions or who are using
+        # a TransactionTestCase still get a clean database on every test run.
+        if serialize:
+            self.connection._test_serialized_contents = self.serialize_db_to_string()
+
+        call_command("createcachetable", database=self.connection.alias)
+
+        # Ensure a connection for the side effect of initializing the test database.
+        self.connection.ensure_connection()
+
+        if os.environ.get("RUNNING_DJANGOS_TEST_SUITE") == "true":
+            self.mark_expected_failures_and_skips()
+
+        return test_database_name
+
+    def set_as_test_mirror(self, primary_settings_dict):
+        """
+        Set this database up to be used in testing as a mirror of a primary
+        database whose settings are given.
+        """
+        self.connection.settings_dict["NAME"] = primary_settings_dict["NAME"]
+
+    def serialize_db_to_string(self):
+        """
+        Serialize all data in the database into a JSON string.
+        Designed only for test runner usage; will not handle large
+        amounts of data.
+        """
+
+        # Iteratively return every object for all models to serialize.
+        def get_objects():
+            from django.db.migrations.loader import MigrationLoader
+
+            loader = MigrationLoader(self.connection)
+            for app_config in apps.get_app_configs():
+                if (
+                    app_config.models_module is not None
+                    and app_config.label in loader.migrated_apps
+                    and app_config.name not in settings.TEST_NON_SERIALIZED_APPS
+                ):
+                    for model in app_config.get_models():
+                        if model._meta.can_migrate(
+                            self.connection
+                        ) and router.allow_migrate_model(self.connection.alias, model):
+                            queryset = model._base_manager.using(
+                                self.connection.alias,
+                            ).order_by(model._meta.pk.name)
+                            chunk_size = (
+                                2000 if queryset._prefetch_related_lookups else None
+                            )
+                            yield from queryset.iterator(chunk_size=chunk_size)
+
+        # Serialize to a string
+        out = StringIO()
+        serializers.serialize("json", get_objects(), indent=None, stream=out)
+        return out.getvalue()
+
+    def deserialize_db_from_string(self, data):
+        """
+        Reload the database with data from a string generated by
+        the serialize_db_to_string() method.
+        """
+        data = StringIO(data)
+        table_names = set()
+        # Load data in a transaction to handle forward references and cycles.
+        with atomic(using=self.connection.alias):
+            # Disable constraint checks, because some databases (MySQL) doesn't
+            # support deferred checks.
+            with self.connection.constraint_checks_disabled():
+                for obj in serializers.deserialize(
+                    "json", data, using=self.connection.alias
+                ):
+                    obj.save()
+                    table_names.add(obj.object.__class__._meta.db_table)
+            # Manually check for any invalid keys that might have been added,
+            # because constraint checks were disabled.
+            self.connection.check_constraints(table_names=table_names)
+
+    def _get_database_display_str(self, verbosity, database_name):
+        """
+        Return display string for a database for use in various actions.
+        """
+        return "'%s'%s" % (
+            self.connection.alias,
+            (" ('%s')" % database_name) if verbosity >= 2 else "",
+        )
+
+    def _get_test_db_name(self):
+        """
+        Internal implementation - return the name of the test DB that will be
+        created. Only useful when called from create_test_db() and
+        _create_test_db() and when no external munging is done with the 'NAME'
+        settings.
+        """
+        if self.connection.settings_dict["TEST"]["NAME"]:
+            return self.connection.settings_dict["TEST"]["NAME"]
+        return TEST_DATABASE_PREFIX + self.connection.settings_dict["NAME"]
+
+    def _execute_create_test_db(self, cursor, parameters, keepdb=False):
+        cursor.execute("CREATE DATABASE %(dbname)s %(suffix)s" % parameters)
+
+    def _create_test_db(self, verbosity, autoclobber, keepdb=False):
+        """
+        Internal implementation - create the test db tables.
+        """
+        test_database_name = self._get_test_db_name()
+        test_db_params = {
+            "dbname": self.connection.ops.quote_name(test_database_name),
+            "suffix": self.sql_table_creation_suffix(),
+        }
+        # Create the test database and connect to it.
+        with self._nodb_cursor() as cursor:
+            try:
+                self._execute_create_test_db(cursor, test_db_params, keepdb)
+            except Exception as e:
+                # if we want to keep the db, then no need to do any of the below,
+                # just return and skip it all.
+                if keepdb:
+                    return test_database_name
+
+                self.log("Got an error creating the test database: %s" % e)
+                if not autoclobber:
+                    confirm = input(
+                        "Type 'yes' if you would like to try deleting the test "
+                        "database '%s', or 'no' to cancel: " % test_database_name
+                    )
+                if autoclobber or confirm == "yes":
+                    try:
+                        if verbosity >= 1:
+                            self.log(
+                                "Destroying old test database for alias %s..."
+                                % (
+                                    self._get_database_display_str(
+                                        verbosity, test_database_name
+                                    ),
+                                )
+                            )
+                        cursor.execute("DROP DATABASE %(dbname)s" % test_db_params)
+                        self._execute_create_test_db(cursor, test_db_params, keepdb)
+                    except Exception as e:
+                        self.log("Got an error recreating the test database: %s" % e)
+                        sys.exit(2)
+                else:
+                    self.log("Tests cancelled.")
+                    sys.exit(1)
+
+        return test_database_name
+
+    def clone_test_db(self, suffix, verbosity=1, autoclobber=False, keepdb=False):
+        """
+        Clone a test database.
+        """
+        source_database_name = self.connection.settings_dict["NAME"]
+
+        if verbosity >= 1:
+            action = "Cloning test database"
+            if keepdb:
+                action = "Using existing clone"
+            self.log(
+                "%s for alias %s..."
+                % (
+                    action,
+                    self._get_database_display_str(verbosity, source_database_name),
+                )
+            )
+
+        # We could skip this call if keepdb is True, but we instead
+        # give it the keepdb param. See create_test_db for details.
+        self._clone_test_db(suffix, verbosity, keepdb)
+
+    def get_test_db_clone_settings(self, suffix):
+        """
+        Return a modified connection settings dict for the n-th clone of a DB.
+        """
+        # When this function is called, the test database has been created
+        # already and its name has been copied to settings_dict['NAME'] so
+        # we don't need to call _get_test_db_name.
+        orig_settings_dict = self.connection.settings_dict
+        return {
+            **orig_settings_dict,
+            "NAME": "{}_{}".format(orig_settings_dict["NAME"], suffix),
+        }
+
+    def _clone_test_db(self, suffix, verbosity, keepdb=False):
+        """
+        Internal implementation - duplicate the test db tables.
+        """
+        raise NotImplementedError(
+            "The database backend doesn't support cloning databases. "
+            "Disable the option to run tests in parallel processes."
+        )
+
+    def destroy_test_db(
+        self, old_database_name=None, verbosity=1, keepdb=False, suffix=None
+    ):
+        """
+        Destroy a test database, prompting the user for confirmation if the
+        database already exists.
+        """
+        self.connection.close()
+        if suffix is None:
+            test_database_name = self.connection.settings_dict["NAME"]
+        else:
+            test_database_name = self.get_test_db_clone_settings(suffix)["NAME"]
+
+        if verbosity >= 1:
+            action = "Destroying"
+            if keepdb:
+                action = "Preserving"
+            self.log(
+                "%s test database for alias %s..."
+                % (
+                    action,
+                    self._get_database_display_str(verbosity, test_database_name),
+                )
+            )
+
+        # if we want to preserve the database
+        # skip the actual destroying piece.
+        if not keepdb:
+            self._destroy_test_db(test_database_name, verbosity)
+
+        # Restore the original database name
+        if old_database_name is not None:
+            settings.DATABASES[self.connection.alias]["NAME"] = old_database_name
+            self.connection.settings_dict["NAME"] = old_database_name
+
+    def _destroy_test_db(self, test_database_name, verbosity):
+        """
+        Internal implementation - remove the test db tables.
+        """
+        # Remove the test database to clean up after
+        # ourselves. Connect to the previous database (not the test database)
+        # to do so, because it's not allowed to delete a database while being
+        # connected to it.
+        with self._nodb_cursor() as cursor:
+            cursor.execute(
+                "DROP DATABASE %s" % self.connection.ops.quote_name(test_database_name)
+            )
+
+    def mark_expected_failures_and_skips(self):
+        """
+        Mark tests in Django's test suite which are expected failures on this
+        database and test which should be skipped on this database.
+        """
+        # Only load unittest if we're actually testing.
+        from unittest import expectedFailure, skip
+
+        for test_name in self.connection.features.django_test_expected_failures:
+            test_case_name, _, test_method_name = test_name.rpartition(".")
+            test_app = test_name.split(".")[0]
+            # Importing a test app that isn't installed raises RuntimeError.
+            if test_app in settings.INSTALLED_APPS:
+                test_case = import_string(test_case_name)
+                test_method = getattr(test_case, test_method_name)
+                setattr(test_case, test_method_name, expectedFailure(test_method))
+        for reason, tests in self.connection.features.django_test_skips.items():
+            for test_name in tests:
+                test_case_name, _, test_method_name = test_name.rpartition(".")
+                test_app = test_name.split(".")[0]
+                # Importing a test app that isn't installed raises RuntimeError.
+                if test_app in settings.INSTALLED_APPS:
+                    test_case = import_string(test_case_name)
+                    test_method = getattr(test_case, test_method_name)
+                    setattr(test_case, test_method_name, skip(reason)(test_method))
+
+    def sql_table_creation_suffix(self):
+        """
+        SQL to append to the end of the test table creation statements.
+        """
+        return ""
+
+    def test_db_signature(self):
+        """
+        Return a tuple with elements of self.connection.settings_dict (a
+        DATABASES setting value) that uniquely identify a database
+        accordingly to the RDBMS particularities.
+        """
+        settings_dict = self.connection.settings_dict
+        return (
+            settings_dict["HOST"],
+            settings_dict["PORT"],
+            settings_dict["ENGINE"],
+            self._get_test_db_name(),
+        )
+
+    def setup_worker_connection(self, _worker_id):
+        settings_dict = self.get_test_db_clone_settings(str(_worker_id))
+        # connection.settings_dict must be updated in place for changes to be
+        # reflected in django.db.connections. If the following line assigned
+        # connection.settings_dict = settings_dict, new threads would connect
+        # to the default database instead of the appropriate clone.
+        self.connection.settings_dict.update(settings_dict)
+        self.connection.close()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/features.py
new file mode 100644
index 00000000..4dfe9db1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/features.py
@@ -0,0 +1,416 @@
+from django.db import ProgrammingError
+from django.utils.functional import cached_property
+
+
+class BaseDatabaseFeatures:
+    # An optional tuple indicating the minimum supported database version.
+    minimum_database_version = None
+    gis_enabled = False
+    # Oracle can't group by LOB (large object) data types.
+    allows_group_by_lob = True
+    allows_group_by_selected_pks = False
+    allows_group_by_select_index = True
+    empty_fetchmany_value = []
+    update_can_self_select = True
+    # Does the backend support self-reference subqueries in the DELETE
+    # statement?
+    delete_can_self_reference_subquery = True
+
+    # Does the backend distinguish between '' and None?
+    interprets_empty_strings_as_nulls = False
+
+    # Does the backend allow inserting duplicate NULL rows in a nullable
+    # unique field? All core backends implement this correctly, but other
+    # databases such as SQL Server do not.
+    supports_nullable_unique_constraints = True
+
+    # Does the backend allow inserting duplicate rows when a unique_together
+    # constraint exists and some fields are nullable but not all of them?
+    supports_partially_nullable_unique_constraints = True
+
+    # Does the backend supports specifying whether NULL values should be
+    # considered distinct in unique constraints?
+    supports_nulls_distinct_unique_constraints = False
+
+    # Does the backend support initially deferrable unique constraints?
+    supports_deferrable_unique_constraints = False
+
+    can_use_chunked_reads = True
+    can_return_columns_from_insert = False
+    can_return_rows_from_bulk_insert = False
+    has_bulk_insert = True
+    uses_savepoints = True
+    can_release_savepoints = False
+
+    # If True, don't use integer foreign keys referring to, e.g., positive
+    # integer primary keys.
+    related_fields_match_type = False
+    allow_sliced_subqueries_with_in = True
+    has_select_for_update = False
+    has_select_for_update_nowait = False
+    has_select_for_update_skip_locked = False
+    has_select_for_update_of = False
+    has_select_for_no_key_update = False
+    # Does the database's SELECT FOR UPDATE OF syntax require a column rather
+    # than a table?
+    select_for_update_of_column = False
+
+    # Does the default test database allow multiple connections?
+    # Usually an indication that the test database is in-memory
+    test_db_allows_multiple_connections = True
+
+    # Can an object be saved without an explicit primary key?
+    supports_unspecified_pk = False
+
+    # Can a fixture contain forward references? i.e., are
+    # FK constraints checked at the end of transaction, or
+    # at the end of each save operation?
+    supports_forward_references = True
+
+    # Does the backend truncate names properly when they are too long?
+    truncates_names = False
+
+    # Is there a REAL datatype in addition to floats/doubles?
+    has_real_datatype = False
+    supports_subqueries_in_group_by = True
+
+    # Does the backend ignore unnecessary ORDER BY clauses in subqueries?
+    ignores_unnecessary_order_by_in_subqueries = True
+
+    # Is there a true datatype for uuid?
+    has_native_uuid_field = False
+
+    # Is there a true datatype for timedeltas?
+    has_native_duration_field = False
+
+    # Does the database driver supports same type temporal data subtraction
+    # by returning the type used to store duration field?
+    supports_temporal_subtraction = False
+
+    # Does the __regex lookup support backreferencing and grouping?
+    supports_regex_backreferencing = True
+
+    # Can date/datetime lookups be performed using a string?
+    supports_date_lookup_using_string = True
+
+    # Can datetimes with timezones be used?
+    supports_timezones = True
+
+    # Does the database have a copy of the zoneinfo database?
+    has_zoneinfo_database = True
+
+    # When performing a GROUP BY, is an ORDER BY NULL required
+    # to remove any ordering?
+    requires_explicit_null_ordering_when_grouping = False
+
+    # Does the backend order NULL values as largest or smallest?
+    nulls_order_largest = False
+
+    # Does the backend support NULLS FIRST and NULLS LAST in ORDER BY?
+    supports_order_by_nulls_modifier = True
+
+    # Does the backend orders NULLS FIRST by default?
+    order_by_nulls_first = False
+
+    # The database's limit on the number of query parameters.
+    max_query_params = None
+
+    # Can an object have an autoincrement primary key of 0?
+    allows_auto_pk_0 = True
+
+    # Do we need to NULL a ForeignKey out, or can the constraint check be
+    # deferred
+    can_defer_constraint_checks = False
+
+    # Does the backend support tablespaces? Default to False because it isn't
+    # in the SQL standard.
+    supports_tablespaces = False
+
+    # Does the backend reset sequences between tests?
+    supports_sequence_reset = True
+
+    # Can the backend introspect the default value of a column?
+    can_introspect_default = True
+
+    # Confirm support for introspected foreign keys
+    # Every database can do this reliably, except MySQL,
+    # which can't do it for MyISAM tables
+    can_introspect_foreign_keys = True
+
+    # Map fields which some backends may not be able to differentiate to the
+    # field it's introspected as.
+    introspected_field_types = {
+        "AutoField": "AutoField",
+        "BigAutoField": "BigAutoField",
+        "BigIntegerField": "BigIntegerField",
+        "BinaryField": "BinaryField",
+        "BooleanField": "BooleanField",
+        "CharField": "CharField",
+        "DurationField": "DurationField",
+        "GenericIPAddressField": "GenericIPAddressField",
+        "IntegerField": "IntegerField",
+        "PositiveBigIntegerField": "PositiveBigIntegerField",
+        "PositiveIntegerField": "PositiveIntegerField",
+        "PositiveSmallIntegerField": "PositiveSmallIntegerField",
+        "SmallAutoField": "SmallAutoField",
+        "SmallIntegerField": "SmallIntegerField",
+        "TimeField": "TimeField",
+    }
+
+    # Can the backend introspect the column order (ASC/DESC) for indexes?
+    supports_index_column_ordering = True
+
+    # Does the backend support introspection of materialized views?
+    can_introspect_materialized_views = False
+
+    # Support for the DISTINCT ON clause
+    can_distinct_on_fields = False
+
+    # Does the backend prevent running SQL queries in broken transactions?
+    atomic_transactions = True
+
+    # Can we roll back DDL in a transaction?
+    can_rollback_ddl = False
+
+    schema_editor_uses_clientside_param_binding = False
+
+    # Can we issue more than one ALTER COLUMN clause in an ALTER TABLE?
+    supports_combined_alters = False
+
+    # Does it support foreign keys?
+    supports_foreign_keys = True
+
+    # Can it create foreign key constraints inline when adding columns?
+    can_create_inline_fk = True
+
+    # Can an index be renamed?
+    can_rename_index = False
+
+    # Does it automatically index foreign keys?
+    indexes_foreign_keys = True
+
+    # Does it support CHECK constraints?
+    supports_column_check_constraints = True
+    supports_table_check_constraints = True
+    # Does the backend support introspection of CHECK constraints?
+    can_introspect_check_constraints = True
+
+    # Does the backend support 'pyformat' style ("... %(name)s ...", {'name': value})
+    # parameter passing? Note this can be provided by the backend even if not
+    # supported by the Python driver
+    supports_paramstyle_pyformat = True
+
+    # Does the backend require literal defaults, rather than parameterized ones?
+    requires_literal_defaults = False
+
+    # Does the backend support functions in defaults?
+    supports_expression_defaults = True
+
+    # Does the backend support the DEFAULT keyword in insert queries?
+    supports_default_keyword_in_insert = True
+
+    # Does the backend support the DEFAULT keyword in bulk insert queries?
+    supports_default_keyword_in_bulk_insert = True
+
+    # Does the backend require a connection reset after each material schema change?
+    connection_persists_old_columns = False
+
+    # What kind of error does the backend throw when accessing closed cursor?
+    closed_cursor_error_class = ProgrammingError
+
+    # Does 'a' LIKE 'A' match?
+    has_case_insensitive_like = False
+
+    # Suffix for backends that don't support "SELECT xxx;" queries.
+    bare_select_suffix = ""
+
+    # If NULL is implied on columns without needing to be explicitly specified
+    implied_column_null = False
+
+    # Does the backend support "select for update" queries with limit (and offset)?
+    supports_select_for_update_with_limit = True
+
+    # Does the backend ignore null expressions in GREATEST and LEAST queries unless
+    # every expression is null?
+    greatest_least_ignores_nulls = False
+
+    # Can the backend clone databases for parallel test execution?
+    # Defaults to False to allow third-party backends to opt-in.
+    can_clone_databases = False
+
+    # Does the backend consider table names with different casing to
+    # be equal?
+    ignores_table_name_case = False
+
+    # Place FOR UPDATE right after FROM clause. Used on MSSQL.
+    for_update_after_from = False
+
+    # Combinatorial flags
+    supports_select_union = True
+    supports_select_intersection = True
+    supports_select_difference = True
+    supports_slicing_ordering_in_compound = False
+    supports_parentheses_in_compound = True
+    requires_compound_order_by_subquery = False
+
+    # Does the database support SQL 2003 FILTER (WHERE ...) in aggregate
+    # expressions?
+    supports_aggregate_filter_clause = False
+
+    # Does the backend support indexing a TextField?
+    supports_index_on_text_field = True
+
+    # Does the backend support window expressions (expression OVER (...))?
+    supports_over_clause = False
+    supports_frame_range_fixed_distance = False
+    only_supports_unbounded_with_preceding_and_following = False
+
+    # Does the backend support CAST with precision?
+    supports_cast_with_precision = True
+
+    # How many second decimals does the database return when casting a value to
+    # a type with time?
+    time_cast_precision = 6
+
+    # SQL to create a procedure for use by the Django test suite. The
+    # functionality of the procedure isn't important.
+    create_test_procedure_without_params_sql = None
+    create_test_procedure_with_int_param_sql = None
+
+    # SQL to create a table with a composite primary key for use by the Django
+    # test suite.
+    create_test_table_with_composite_primary_key = None
+
+    # Does the backend support keyword parameters for cursor.callproc()?
+    supports_callproc_kwargs = False
+
+    # What formats does the backend EXPLAIN syntax support?
+    supported_explain_formats = set()
+
+    # Does the backend support the default parameter in lead() and lag()?
+    supports_default_in_lead_lag = True
+
+    # Does the backend support ignoring constraint or uniqueness errors during
+    # INSERT?
+    supports_ignore_conflicts = True
+    # Does the backend support updating rows on constraint or uniqueness errors
+    # during INSERT?
+    supports_update_conflicts = False
+    supports_update_conflicts_with_target = False
+
+    # Does this backend require casting the results of CASE expressions used
+    # in UPDATE statements to ensure the expression has the correct type?
+    requires_casted_case_in_updates = False
+
+    # Does the backend support partial indexes (CREATE INDEX ... WHERE ...)?
+    supports_partial_indexes = True
+    supports_functions_in_partial_indexes = True
+    # Does the backend support covering indexes (CREATE INDEX ... INCLUDE ...)?
+    supports_covering_indexes = False
+    # Does the backend support indexes on expressions?
+    supports_expression_indexes = True
+    # Does the backend treat COLLATE as an indexed expression?
+    collate_as_index_expression = False
+
+    # Does the database allow more than one constraint or index on the same
+    # field(s)?
+    allows_multiple_constraints_on_same_fields = True
+
+    # Does the backend support boolean expressions in SELECT and GROUP BY
+    # clauses?
+    supports_boolean_expr_in_select_clause = True
+    # Does the backend support comparing boolean expressions in WHERE clauses?
+    # Eg: WHERE (price > 0) IS NOT NULL
+    supports_comparing_boolean_expr = True
+
+    # Does the backend support JSONField?
+    supports_json_field = True
+    # Can the backend introspect a JSONField?
+    can_introspect_json_field = True
+    # Does the backend support primitives in JSONField?
+    supports_primitives_in_json_field = True
+    # Is there a true datatype for JSON?
+    has_native_json_field = False
+    # Does the backend use PostgreSQL-style JSON operators like '->'?
+    has_json_operators = False
+    # Does the backend support __contains and __contained_by lookups for
+    # a JSONField?
+    supports_json_field_contains = True
+    # Does value__d__contains={'f': 'g'} (without a list around the dict) match
+    # {'d': [{'f': 'g'}]}?
+    json_key_contains_list_matching_requires_list = False
+    # Does the backend support JSONObject() database function?
+    has_json_object_function = True
+
+    # Does the backend support column collations?
+    supports_collation_on_charfield = True
+    supports_collation_on_textfield = True
+    # Does the backend support non-deterministic collations?
+    supports_non_deterministic_collations = True
+
+    # Does the backend support column and table comments?
+    supports_comments = False
+    # Does the backend support column comments in ADD COLUMN statements?
+    supports_comments_inline = False
+
+    # Does the backend support stored generated columns?
+    supports_stored_generated_columns = False
+    # Does the backend support virtual generated columns?
+    supports_virtual_generated_columns = False
+
+    # Does the backend support the logical XOR operator?
+    supports_logical_xor = False
+
+    # Set to (exception, message) if null characters in text are disallowed.
+    prohibits_null_characters_in_text_exception = None
+
+    # Does the backend support unlimited character columns?
+    supports_unlimited_charfield = False
+
+    # Collation names for use by the Django test suite.
+    test_collations = {
+        "ci": None,  # Case-insensitive.
+        "cs": None,  # Case-sensitive.
+        "non_default": None,  # Non-default.
+        "swedish_ci": None,  # Swedish case-insensitive.
+        "virtual": None,  # A collation that can be used for virtual columns.
+    }
+    # SQL template override for tests.aggregation.tests.NowUTC
+    test_now_utc_template = None
+
+    # SQL to create a model instance using the database defaults.
+    insert_test_table_with_defaults = None
+
+    # A set of dotted paths to tests in Django's test suite that are expected
+    # to fail on this database.
+    django_test_expected_failures = set()
+    # A map of reasons to sets of dotted paths to tests in Django's test suite
+    # that should be skipped for this database.
+    django_test_skips = {}
+
+    def __init__(self, connection):
+        self.connection = connection
+
+    @cached_property
+    def supports_explaining_query_execution(self):
+        """Does this backend support explaining query execution?"""
+        return self.connection.ops.explain_prefix is not None
+
+    @cached_property
+    def supports_transactions(self):
+        """Confirm support for transactions."""
+        with self.connection.cursor() as cursor:
+            cursor.execute("CREATE TABLE ROLLBACK_TEST (X INT)")
+            self.connection.set_autocommit(False)
+            cursor.execute("INSERT INTO ROLLBACK_TEST (X) VALUES (8)")
+            self.connection.rollback()
+            self.connection.set_autocommit(True)
+            cursor.execute("SELECT COUNT(X) FROM ROLLBACK_TEST")
+            (count,) = cursor.fetchone()
+            cursor.execute("DROP TABLE ROLLBACK_TEST")
+        return count == 0
+
+    def allows_group_by_selected_pks_on_model(self, model):
+        if not self.allows_group_by_selected_pks:
+            return False
+        return model._meta.managed
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/introspection.py
new file mode 100644
index 00000000..5e4acb3f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/introspection.py
@@ -0,0 +1,212 @@
+from collections import namedtuple
+
+# Structure returned by DatabaseIntrospection.get_table_list()
+TableInfo = namedtuple("TableInfo", ["name", "type"])
+
+# Structure returned by the DB-API cursor.description interface (PEP 249)
+FieldInfo = namedtuple(
+    "FieldInfo",
+    "name type_code display_size internal_size precision scale null_ok "
+    "default collation",
+)
+
+
+class BaseDatabaseIntrospection:
+    """Encapsulate backend-specific introspection utilities."""
+
+    data_types_reverse = {}
+
+    def __init__(self, connection):
+        self.connection = connection
+
+    def get_field_type(self, data_type, description):
+        """
+        Hook for a database backend to use the cursor description to
+        match a Django field type to a database column.
+
+        For Oracle, the column data_type on its own is insufficient to
+        distinguish between a FloatField and IntegerField, for example.
+        """
+        return self.data_types_reverse[data_type]
+
+    def identifier_converter(self, name):
+        """
+        Apply a conversion to the identifier for the purposes of comparison.
+
+        The default identifier converter is for case sensitive comparison.
+        """
+        return name
+
+    def table_names(self, cursor=None, include_views=False):
+        """
+        Return a list of names of all tables that exist in the database.
+        Sort the returned table list by Python's default sorting. Do NOT use
+        the database's ORDER BY here to avoid subtle differences in sorting
+        order between databases.
+        """
+
+        def get_names(cursor):
+            return sorted(
+                ti.name
+                for ti in self.get_table_list(cursor)
+                if include_views or ti.type == "t"
+            )
+
+        if cursor is None:
+            with self.connection.cursor() as cursor:
+                return get_names(cursor)
+        return get_names(cursor)
+
+    def get_table_list(self, cursor):
+        """
+        Return an unsorted list of TableInfo named tuples of all tables and
+        views that exist in the database.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseIntrospection may require a get_table_list() "
+            "method"
+        )
+
+    def get_table_description(self, cursor, table_name):
+        """
+        Return a description of the table with the DB-API cursor.description
+        interface.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseIntrospection may require a "
+            "get_table_description() method."
+        )
+
+    def get_migratable_models(self):
+        from django.apps import apps
+        from django.db import router
+
+        return (
+            model
+            for app_config in apps.get_app_configs()
+            for model in router.get_migratable_models(app_config, self.connection.alias)
+            if model._meta.can_migrate(self.connection)
+        )
+
+    def django_table_names(self, only_existing=False, include_views=True):
+        """
+        Return a list of all table names that have associated Django models and
+        are in INSTALLED_APPS.
+
+        If only_existing is True, include only the tables in the database.
+        """
+        tables = set()
+        for model in self.get_migratable_models():
+            if not model._meta.managed:
+                continue
+            tables.add(model._meta.db_table)
+            tables.update(
+                f.m2m_db_table()
+                for f in model._meta.local_many_to_many
+                if f.remote_field.through._meta.managed
+            )
+        tables = list(tables)
+        if only_existing:
+            existing_tables = set(self.table_names(include_views=include_views))
+            tables = [
+                t for t in tables if self.identifier_converter(t) in existing_tables
+            ]
+        return tables
+
+    def installed_models(self, tables):
+        """
+        Return a set of all models represented by the provided list of table
+        names.
+        """
+        tables = set(map(self.identifier_converter, tables))
+        return {
+            m
+            for m in self.get_migratable_models()
+            if self.identifier_converter(m._meta.db_table) in tables
+        }
+
+    def sequence_list(self):
+        """
+        Return a list of information about all DB sequences for all models in
+        all apps.
+        """
+        sequence_list = []
+        with self.connection.cursor() as cursor:
+            for model in self.get_migratable_models():
+                if not model._meta.managed:
+                    continue
+                if model._meta.swapped:
+                    continue
+                sequence_list.extend(
+                    self.get_sequences(
+                        cursor, model._meta.db_table, model._meta.local_fields
+                    )
+                )
+                for f in model._meta.local_many_to_many:
+                    # If this is an m2m using an intermediate table,
+                    # we don't need to reset the sequence.
+                    if f.remote_field.through._meta.auto_created:
+                        sequence = self.get_sequences(cursor, f.m2m_db_table())
+                        sequence_list.extend(
+                            sequence or [{"table": f.m2m_db_table(), "column": None}]
+                        )
+        return sequence_list
+
+    def get_sequences(self, cursor, table_name, table_fields=()):
+        """
+        Return a list of introspected sequences for table_name. Each sequence
+        is a dict: {'table': <table_name>, 'column': <column_name>}. An optional
+        'name' key can be added if the backend supports named sequences.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseIntrospection may require a get_sequences() "
+            "method"
+        )
+
+    def get_relations(self, cursor, table_name):
+        """
+        Return a dictionary of {field_name: (field_name_other_table, other_table)}
+        representing all foreign keys in the given table.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseIntrospection may require a "
+            "get_relations() method."
+        )
+
+    def get_primary_key_column(self, cursor, table_name):
+        """
+        Return the name of the primary key column for the given table.
+        """
+        columns = self.get_primary_key_columns(cursor, table_name)
+        return columns[0] if columns else None
+
+    def get_primary_key_columns(self, cursor, table_name):
+        """Return a list of primary key columns for the given table."""
+        for constraint in self.get_constraints(cursor, table_name).values():
+            if constraint["primary_key"]:
+                return constraint["columns"]
+        return None
+
+    def get_constraints(self, cursor, table_name):
+        """
+        Retrieve any constraints or keys (unique, pk, fk, check, index)
+        across one or more columns.
+
+        Return a dict mapping constraint names to their attributes,
+        where attributes is a dict with keys:
+         * columns: List of columns this covers
+         * primary_key: True if primary key, False otherwise
+         * unique: True if this is a unique constraint, False otherwise
+         * foreign_key: (table, column) of target, or None
+         * check: True if check constraint, False otherwise
+         * index: True if index, False otherwise.
+         * orders: The order (ASC/DESC) defined for the columns of indexes
+         * type: The type of the index (btree, hash, etc.)
+
+        Some backends may return special constraint names that don't exist
+        if they don't name constraints of a certain type (e.g. SQLite)
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseIntrospection may require a get_constraints() "
+            "method"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/operations.py
new file mode 100644
index 00000000..0ee2ffc5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/operations.py
@@ -0,0 +1,794 @@
+import datetime
+import decimal
+import json
+import warnings
+from importlib import import_module
+
+import sqlparse
+
+from django.conf import settings
+from django.db import NotSupportedError, transaction
+from django.db.backends import utils
+from django.db.models.expressions import Col
+from django.utils import timezone
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.encoding import force_str
+
+
+class BaseDatabaseOperations:
+    """
+    Encapsulate backend-specific differences, such as the way a backend
+    performs ordering or calculates the ID of a recently-inserted row.
+    """
+
+    compiler_module = "django.db.models.sql.compiler"
+
+    # Integer field safe ranges by `internal_type` as documented
+    # in docs/ref/models/fields.txt.
+    integer_field_ranges = {
+        "SmallIntegerField": (-32768, 32767),
+        "IntegerField": (-2147483648, 2147483647),
+        "BigIntegerField": (-9223372036854775808, 9223372036854775807),
+        "PositiveBigIntegerField": (0, 9223372036854775807),
+        "PositiveSmallIntegerField": (0, 32767),
+        "PositiveIntegerField": (0, 2147483647),
+        "SmallAutoField": (-32768, 32767),
+        "AutoField": (-2147483648, 2147483647),
+        "BigAutoField": (-9223372036854775808, 9223372036854775807),
+    }
+    set_operators = {
+        "union": "UNION",
+        "intersection": "INTERSECT",
+        "difference": "EXCEPT",
+    }
+    # Mapping of Field.get_internal_type() (typically the model field's class
+    # name) to the data type to use for the Cast() function, if different from
+    # DatabaseWrapper.data_types.
+    cast_data_types = {}
+    # CharField data type if the max_length argument isn't provided.
+    cast_char_field_without_max_length = None
+
+    # Start and end points for window expressions.
+    PRECEDING = "PRECEDING"
+    FOLLOWING = "FOLLOWING"
+    UNBOUNDED_PRECEDING = "UNBOUNDED " + PRECEDING
+    UNBOUNDED_FOLLOWING = "UNBOUNDED " + FOLLOWING
+    CURRENT_ROW = "CURRENT ROW"
+
+    # Prefix for EXPLAIN queries, or None EXPLAIN isn't supported.
+    explain_prefix = None
+
+    def __init__(self, connection):
+        self.connection = connection
+        self._cache = None
+
+    def autoinc_sql(self, table, column):
+        """
+        Return any SQL needed to support auto-incrementing primary keys, or
+        None if no SQL is necessary.
+
+        This SQL is executed when a table is created.
+        """
+        return None
+
+    def bulk_batch_size(self, fields, objs):
+        """
+        Return the maximum allowed batch size for the backend. The fields
+        are the fields going to be inserted in the batch, the objs contains
+        all the objects to be inserted.
+        """
+        return len(objs)
+
+    def format_for_duration_arithmetic(self, sql):
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a "
+            "format_for_duration_arithmetic() method."
+        )
+
+    def cache_key_culling_sql(self):
+        """
+        Return an SQL query that retrieves the first cache key greater than the
+        n smallest.
+
+        This is used by the 'db' cache backend to determine where to start
+        culling.
+        """
+        cache_key = self.quote_name("cache_key")
+        return f"SELECT {cache_key} FROM %s ORDER BY {cache_key} LIMIT 1 OFFSET %%s"
+
+    def unification_cast_sql(self, output_field):
+        """
+        Given a field instance, return the SQL that casts the result of a union
+        to that type. The resulting string should contain a '%s' placeholder
+        for the expression being cast.
+        """
+        return "%s"
+
+    def date_extract_sql(self, lookup_type, sql, params):
+        """
+        Given a lookup_type of 'year', 'month', or 'day', return the SQL that
+        extracts a value from the given date field field_name.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a date_extract_sql() "
+            "method"
+        )
+
+    def date_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        """
+        Given a lookup_type of 'year', 'month', or 'day', return the SQL that
+        truncates the given date or datetime field field_name to a date object
+        with only the given specificity.
+
+        If `tzname` is provided, the given value is truncated in a specific
+        timezone.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a date_trunc_sql() "
+            "method."
+        )
+
+    def datetime_cast_date_sql(self, sql, params, tzname):
+        """
+        Return the SQL to cast a datetime value to date value.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a "
+            "datetime_cast_date_sql() method."
+        )
+
+    def datetime_cast_time_sql(self, sql, params, tzname):
+        """
+        Return the SQL to cast a datetime value to time value.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a "
+            "datetime_cast_time_sql() method"
+        )
+
+    def datetime_extract_sql(self, lookup_type, sql, params, tzname):
+        """
+        Given a lookup_type of 'year', 'month', 'day', 'hour', 'minute', or
+        'second', return the SQL that extracts a value from the given
+        datetime field field_name.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a datetime_extract_sql() "
+            "method"
+        )
+
+    def datetime_trunc_sql(self, lookup_type, sql, params, tzname):
+        """
+        Given a lookup_type of 'year', 'month', 'day', 'hour', 'minute', or
+        'second', return the SQL that truncates the given datetime field
+        field_name to a datetime object with only the given specificity.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a datetime_trunc_sql() "
+            "method"
+        )
+
+    def time_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        """
+        Given a lookup_type of 'hour', 'minute' or 'second', return the SQL
+        that truncates the given time or datetime field field_name to a time
+        object with only the given specificity.
+
+        If `tzname` is provided, the given value is truncated in a specific
+        timezone.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a time_trunc_sql() method"
+        )
+
+    def time_extract_sql(self, lookup_type, sql, params):
+        """
+        Given a lookup_type of 'hour', 'minute', or 'second', return the SQL
+        that extracts a value from the given time field field_name.
+        """
+        return self.date_extract_sql(lookup_type, sql, params)
+
+    def deferrable_sql(self):
+        """
+        Return the SQL to make a constraint "initially deferred" during a
+        CREATE TABLE statement.
+        """
+        return ""
+
+    def distinct_sql(self, fields, params):
+        """
+        Return an SQL DISTINCT clause which removes duplicate rows from the
+        result set. If any fields are given, only check the given fields for
+        duplicates.
+        """
+        if fields:
+            raise NotSupportedError(
+                "DISTINCT ON fields is not supported by this database backend"
+            )
+        else:
+            return ["DISTINCT"], []
+
+    def fetch_returned_insert_columns(self, cursor, returning_params):
+        """
+        Given a cursor object that has just performed an INSERT...RETURNING
+        statement into a table, return the newly created data.
+        """
+        return cursor.fetchone()
+
+    def field_cast_sql(self, db_type, internal_type):
+        """
+        Given a column type (e.g. 'BLOB', 'VARCHAR') and an internal type
+        (e.g. 'GenericIPAddressField'), return the SQL to cast it before using
+        it in a WHERE statement. The resulting string should contain a '%s'
+        placeholder for the column being searched against.
+        """
+        warnings.warn(
+            (
+                "DatabaseOperations.field_cast_sql() is deprecated use "
+                "DatabaseOperations.lookup_cast() instead."
+            ),
+            RemovedInDjango60Warning,
+        )
+        return "%s"
+
+    def force_no_ordering(self):
+        """
+        Return a list used in the "ORDER BY" clause to force no ordering at
+        all. Return an empty list to include nothing in the ordering.
+        """
+        return []
+
+    def for_update_sql(self, nowait=False, skip_locked=False, of=(), no_key=False):
+        """
+        Return the FOR UPDATE SQL clause to lock rows for an update operation.
+        """
+        return "FOR%s UPDATE%s%s%s" % (
+            " NO KEY" if no_key else "",
+            " OF %s" % ", ".join(of) if of else "",
+            " NOWAIT" if nowait else "",
+            " SKIP LOCKED" if skip_locked else "",
+        )
+
+    def _get_limit_offset_params(self, low_mark, high_mark):
+        offset = low_mark or 0
+        if high_mark is not None:
+            return (high_mark - offset), offset
+        elif offset:
+            return self.connection.ops.no_limit_value(), offset
+        return None, offset
+
+    def limit_offset_sql(self, low_mark, high_mark):
+        """Return LIMIT/OFFSET SQL clause."""
+        limit, offset = self._get_limit_offset_params(low_mark, high_mark)
+        return " ".join(
+            sql
+            for sql in (
+                ("LIMIT %d" % limit) if limit else None,
+                ("OFFSET %d" % offset) if offset else None,
+            )
+            if sql
+        )
+
+    def last_executed_query(self, cursor, sql, params):
+        """
+        Return a string of the query last executed by the given cursor, with
+        placeholders replaced with actual values.
+
+        `sql` is the raw query containing placeholders and `params` is the
+        sequence of parameters. These are used by default, but this method
+        exists for database backends to provide a better implementation
+        according to their own quoting schemes.
+        """
+
+        # Convert params to contain string values.
+        def to_string(s):
+            return force_str(s, strings_only=True, errors="replace")
+
+        if isinstance(params, (list, tuple)):
+            u_params = tuple(to_string(val) for val in params)
+        elif params is None:
+            u_params = ()
+        else:
+            u_params = {to_string(k): to_string(v) for k, v in params.items()}
+
+        return "QUERY = %r - PARAMS = %r" % (sql, u_params)
+
+    def last_insert_id(self, cursor, table_name, pk_name):
+        """
+        Given a cursor object that has just performed an INSERT statement into
+        a table that has an auto-incrementing ID, return the newly created ID.
+
+        `pk_name` is the name of the primary-key column.
+        """
+        return cursor.lastrowid
+
+    def lookup_cast(self, lookup_type, internal_type=None):
+        """
+        Return the string to use in a query when performing lookups
+        ("contains", "like", etc.). It should contain a '%s' placeholder for
+        the column being searched against.
+        """
+        return "%s"
+
+    def max_in_list_size(self):
+        """
+        Return the maximum number of items that can be passed in a single 'IN'
+        list condition, or None if the backend does not impose a limit.
+        """
+        return None
+
+    def max_name_length(self):
+        """
+        Return the maximum length of table and column names, or None if there
+        is no limit.
+        """
+        return None
+
+    def no_limit_value(self):
+        """
+        Return the value to use for the LIMIT when we are wanting "LIMIT
+        infinity". Return None if the limit clause can be omitted in this case.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a no_limit_value() method"
+        )
+
+    def pk_default_value(self):
+        """
+        Return the value to use during an INSERT statement to specify that
+        the field should use its default value.
+        """
+        return "DEFAULT"
+
+    def prepare_sql_script(self, sql):
+        """
+        Take an SQL script that may contain multiple lines and return a list
+        of statements to feed to successive cursor.execute() calls.
+
+        Since few databases are able to process raw SQL scripts in a single
+        cursor.execute() call and PEP 249 doesn't talk about this use case,
+        the default implementation is conservative.
+        """
+        return [
+            sqlparse.format(statement, strip_comments=True)
+            for statement in sqlparse.split(sql)
+            if statement
+        ]
+
+    def process_clob(self, value):
+        """
+        Return the value of a CLOB column, for backends that return a locator
+        object that requires additional processing.
+        """
+        return value
+
+    def return_insert_columns(self, fields):
+        """
+        For backends that support returning columns as part of an insert query,
+        return the SQL and params to append to the INSERT query. The returned
+        fragment should contain a format string to hold the appropriate column.
+        """
+        pass
+
+    def compiler(self, compiler_name):
+        """
+        Return the SQLCompiler class corresponding to the given name,
+        in the namespace corresponding to the `compiler_module` attribute
+        on this backend.
+        """
+        if self._cache is None:
+            self._cache = import_module(self.compiler_module)
+        return getattr(self._cache, compiler_name)
+
+    def quote_name(self, name):
+        """
+        Return a quoted version of the given table, index, or column name. Do
+        not quote the given name if it's already been quoted.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a quote_name() method"
+        )
+
+    def regex_lookup(self, lookup_type):
+        """
+        Return the string to use in a query when performing regular expression
+        lookups (using "regex" or "iregex"). It should contain a '%s'
+        placeholder for the column being searched against.
+
+        If the feature is not supported (or part of it is not supported), raise
+        NotImplementedError.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations may require a regex_lookup() method"
+        )
+
+    def savepoint_create_sql(self, sid):
+        """
+        Return the SQL for starting a new savepoint. Only required if the
+        "uses_savepoints" feature is True. The "sid" parameter is a string
+        for the savepoint id.
+        """
+        return "SAVEPOINT %s" % self.quote_name(sid)
+
+    def savepoint_commit_sql(self, sid):
+        """
+        Return the SQL for committing the given savepoint.
+        """
+        return "RELEASE SAVEPOINT %s" % self.quote_name(sid)
+
+    def savepoint_rollback_sql(self, sid):
+        """
+        Return the SQL for rolling back the given savepoint.
+        """
+        return "ROLLBACK TO SAVEPOINT %s" % self.quote_name(sid)
+
+    def set_time_zone_sql(self):
+        """
+        Return the SQL that will set the connection's time zone.
+
+        Return '' if the backend doesn't support time zones.
+        """
+        return ""
+
+    def sql_flush(self, style, tables, *, reset_sequences=False, allow_cascade=False):
+        """
+        Return a list of SQL statements required to remove all data from
+        the given database tables (without actually removing the tables
+        themselves).
+
+        The `style` argument is a Style object as returned by either
+        color_style() or no_style() in django.core.management.color.
+
+        If `reset_sequences` is True, the list includes SQL statements required
+        to reset the sequences.
+
+        The `allow_cascade` argument determines whether truncation may cascade
+        to tables with foreign keys pointing the tables being truncated.
+        PostgreSQL requires a cascade even if these tables are empty.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseOperations must provide an sql_flush() method"
+        )
+
+    def execute_sql_flush(self, sql_list):
+        """Execute a list of SQL statements to flush the database."""
+        with transaction.atomic(
+            using=self.connection.alias,
+            savepoint=self.connection.features.can_rollback_ddl,
+        ):
+            with self.connection.cursor() as cursor:
+                for sql in sql_list:
+                    cursor.execute(sql)
+
+    def sequence_reset_by_name_sql(self, style, sequences):
+        """
+        Return a list of the SQL statements required to reset sequences
+        passed in `sequences`.
+
+        The `style` argument is a Style object as returned by either
+        color_style() or no_style() in django.core.management.color.
+        """
+        return []
+
+    def sequence_reset_sql(self, style, model_list):
+        """
+        Return a list of the SQL statements required to reset sequences for
+        the given models.
+
+        The `style` argument is a Style object as returned by either
+        color_style() or no_style() in django.core.management.color.
+        """
+        return []  # No sequence reset required by default.
+
+    def start_transaction_sql(self):
+        """Return the SQL statement required to start a transaction."""
+        return "BEGIN;"
+
+    def end_transaction_sql(self, success=True):
+        """Return the SQL statement required to end a transaction."""
+        if not success:
+            return "ROLLBACK;"
+        return "COMMIT;"
+
+    def tablespace_sql(self, tablespace, inline=False):
+        """
+        Return the SQL that will be used in a query to define the tablespace.
+
+        Return '' if the backend doesn't support tablespaces.
+
+        If `inline` is True, append the SQL to a row; otherwise append it to
+        the entire CREATE TABLE or CREATE INDEX statement.
+        """
+        return ""
+
+    def prep_for_like_query(self, x):
+        """Prepare a value for use in a LIKE query."""
+        return str(x).replace("\\", "\\\\").replace("%", r"\%").replace("_", r"\_")
+
+    # Same as prep_for_like_query(), but called for "iexact" matches, which
+    # need not necessarily be implemented using "LIKE" in the backend.
+    prep_for_iexact_query = prep_for_like_query
+
+    def validate_autopk_value(self, value):
+        """
+        Certain backends do not accept some values for "serial" fields
+        (for example zero in MySQL). Raise a ValueError if the value is
+        invalid, otherwise return the validated value.
+        """
+        return value
+
+    def adapt_unknown_value(self, value):
+        """
+        Transform a value to something compatible with the backend driver.
+
+        This method only depends on the type of the value. It's designed for
+        cases where the target type isn't known, such as .raw() SQL queries.
+        As a consequence it may not work perfectly in all circumstances.
+        """
+        if isinstance(value, datetime.datetime):  # must be before date
+            return self.adapt_datetimefield_value(value)
+        elif isinstance(value, datetime.date):
+            return self.adapt_datefield_value(value)
+        elif isinstance(value, datetime.time):
+            return self.adapt_timefield_value(value)
+        elif isinstance(value, decimal.Decimal):
+            return self.adapt_decimalfield_value(value)
+        else:
+            return value
+
+    def adapt_integerfield_value(self, value, internal_type):
+        return value
+
+    def adapt_datefield_value(self, value):
+        """
+        Transform a date value to an object compatible with what is expected
+        by the backend driver for date columns.
+        """
+        if value is None:
+            return None
+        return str(value)
+
+    def adapt_datetimefield_value(self, value):
+        """
+        Transform a datetime value to an object compatible with what is expected
+        by the backend driver for datetime columns.
+        """
+        if value is None:
+            return None
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        return str(value)
+
+    def adapt_timefield_value(self, value):
+        """
+        Transform a time value to an object compatible with what is expected
+        by the backend driver for time columns.
+        """
+        if value is None:
+            return None
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        if timezone.is_aware(value):
+            raise ValueError("Django does not support timezone-aware times.")
+        return str(value)
+
+    def adapt_decimalfield_value(self, value, max_digits=None, decimal_places=None):
+        """
+        Transform a decimal.Decimal value to an object compatible with what is
+        expected by the backend driver for decimal (numeric) columns.
+        """
+        return utils.format_number(value, max_digits, decimal_places)
+
+    def adapt_ipaddressfield_value(self, value):
+        """
+        Transform a string representation of an IP address into the expected
+        type for the backend driver.
+        """
+        return value or None
+
+    def adapt_json_value(self, value, encoder):
+        return json.dumps(value, cls=encoder)
+
+    def year_lookup_bounds_for_date_field(self, value, iso_year=False):
+        """
+        Return a two-elements list with the lower and upper bound to be used
+        with a BETWEEN operator to query a DateField value using a year
+        lookup.
+
+        `value` is an int, containing the looked-up year.
+        If `iso_year` is True, return bounds for ISO-8601 week-numbering years.
+        """
+        if iso_year:
+            first = datetime.date.fromisocalendar(value, 1, 1)
+            second = datetime.date.fromisocalendar(
+                value + 1, 1, 1
+            ) - datetime.timedelta(days=1)
+        else:
+            first = datetime.date(value, 1, 1)
+            second = datetime.date(value, 12, 31)
+        first = self.adapt_datefield_value(first)
+        second = self.adapt_datefield_value(second)
+        return [first, second]
+
+    def year_lookup_bounds_for_datetime_field(self, value, iso_year=False):
+        """
+        Return a two-elements list with the lower and upper bound to be used
+        with a BETWEEN operator to query a DateTimeField value using a year
+        lookup.
+
+        `value` is an int, containing the looked-up year.
+        If `iso_year` is True, return bounds for ISO-8601 week-numbering years.
+        """
+        if iso_year:
+            first = datetime.datetime.fromisocalendar(value, 1, 1)
+            second = datetime.datetime.fromisocalendar(
+                value + 1, 1, 1
+            ) - datetime.timedelta(microseconds=1)
+        else:
+            first = datetime.datetime(value, 1, 1)
+            second = datetime.datetime(value, 12, 31, 23, 59, 59, 999999)
+        if settings.USE_TZ:
+            tz = timezone.get_current_timezone()
+            first = timezone.make_aware(first, tz)
+            second = timezone.make_aware(second, tz)
+        first = self.adapt_datetimefield_value(first)
+        second = self.adapt_datetimefield_value(second)
+        return [first, second]
+
+    def get_db_converters(self, expression):
+        """
+        Return a list of functions needed to convert field data.
+
+        Some field types on some backends do not provide data in the correct
+        format, this is the hook for converter functions.
+        """
+        return []
+
+    def convert_durationfield_value(self, value, expression, connection):
+        if value is not None:
+            return datetime.timedelta(0, 0, value)
+
+    def check_expression_support(self, expression):
+        """
+        Check that the backend supports the provided expression.
+
+        This is used on specific backends to rule out known expressions
+        that have problematic or nonexistent implementations. If the
+        expression has a known problem, the backend should raise
+        NotSupportedError.
+        """
+        pass
+
+    def conditional_expression_supported_in_where_clause(self, expression):
+        """
+        Return True, if the conditional expression is supported in the WHERE
+        clause.
+        """
+        return True
+
+    def combine_expression(self, connector, sub_expressions):
+        """
+        Combine a list of subexpressions into a single expression, using
+        the provided connecting operator. This is required because operators
+        can vary between backends (e.g., Oracle with %% and &) and between
+        subexpression types (e.g., date expressions).
+        """
+        conn = " %s " % connector
+        return conn.join(sub_expressions)
+
+    def combine_duration_expression(self, connector, sub_expressions):
+        return self.combine_expression(connector, sub_expressions)
+
+    def binary_placeholder_sql(self, value):
+        """
+        Some backends require special syntax to insert binary content (MySQL
+        for example uses '_binary %s').
+        """
+        return "%s"
+
+    def modify_insert_params(self, placeholder, params):
+        """
+        Allow modification of insert parameters. Needed for Oracle Spatial
+        backend due to #10888.
+        """
+        return params
+
+    def integer_field_range(self, internal_type):
+        """
+        Given an integer field internal type (e.g. 'PositiveIntegerField'),
+        return a tuple of the (min_value, max_value) form representing the
+        range of the column type bound to the field.
+        """
+        return self.integer_field_ranges[internal_type]
+
+    def subtract_temporals(self, internal_type, lhs, rhs):
+        if self.connection.features.supports_temporal_subtraction:
+            lhs_sql, lhs_params = lhs
+            rhs_sql, rhs_params = rhs
+            return "(%s - %s)" % (lhs_sql, rhs_sql), (*lhs_params, *rhs_params)
+        raise NotSupportedError(
+            "This backend does not support %s subtraction." % internal_type
+        )
+
+    def window_frame_start(self, start):
+        if isinstance(start, int):
+            if start < 0:
+                return "%d %s" % (abs(start), self.PRECEDING)
+            elif start == 0:
+                return self.CURRENT_ROW
+        elif start is None:
+            return self.UNBOUNDED_PRECEDING
+        raise ValueError(
+            "start argument must be a negative integer, zero, or None, but got '%s'."
+            % start
+        )
+
+    def window_frame_end(self, end):
+        if isinstance(end, int):
+            if end == 0:
+                return self.CURRENT_ROW
+            elif end > 0:
+                return "%d %s" % (end, self.FOLLOWING)
+        elif end is None:
+            return self.UNBOUNDED_FOLLOWING
+        raise ValueError(
+            "end argument must be a positive integer, zero, or None, but got '%s'."
+            % end
+        )
+
+    def window_frame_rows_start_end(self, start=None, end=None):
+        """
+        Return SQL for start and end points in an OVER clause window frame.
+        """
+        if not self.connection.features.supports_over_clause:
+            raise NotSupportedError("This backend does not support window expressions.")
+        return self.window_frame_start(start), self.window_frame_end(end)
+
+    def window_frame_range_start_end(self, start=None, end=None):
+        start_, end_ = self.window_frame_rows_start_end(start, end)
+        features = self.connection.features
+        if features.only_supports_unbounded_with_preceding_and_following and (
+            (start and start < 0) or (end and end > 0)
+        ):
+            raise NotSupportedError(
+                "%s only supports UNBOUNDED together with PRECEDING and "
+                "FOLLOWING." % self.connection.display_name
+            )
+        return start_, end_
+
+    def explain_query_prefix(self, format=None, **options):
+        if not self.connection.features.supports_explaining_query_execution:
+            raise NotSupportedError(
+                "This backend does not support explaining query execution."
+            )
+        if format:
+            supported_formats = self.connection.features.supported_explain_formats
+            normalized_format = format.upper()
+            if normalized_format not in supported_formats:
+                msg = "%s is not a recognized format." % normalized_format
+                if supported_formats:
+                    msg += " Allowed formats: %s" % ", ".join(sorted(supported_formats))
+                else:
+                    msg += (
+                        f" {self.connection.display_name} does not support any formats."
+                    )
+                raise ValueError(msg)
+        if options:
+            raise ValueError("Unknown options: %s" % ", ".join(sorted(options.keys())))
+        return self.explain_prefix
+
+    def insert_statement(self, on_conflict=None):
+        return "INSERT INTO"
+
+    def on_conflict_suffix_sql(self, fields, on_conflict, update_fields, unique_fields):
+        return ""
+
+    def prepare_join_on_clause(self, lhs_table, lhs_field, rhs_table, rhs_field):
+        lhs_expr = Col(lhs_table, lhs_field)
+        rhs_expr = Col(rhs_table, rhs_field)
+
+        return lhs_expr, rhs_expr
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/schema.py
new file mode 100644
index 00000000..6c4bca1a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/schema.py
@@ -0,0 +1,2020 @@
+import logging
+import operator
+from datetime import datetime
+
+from django.conf import settings
+from django.core.exceptions import FieldError
+from django.db.backends.ddl_references import (
+    Columns,
+    Expressions,
+    ForeignKeyName,
+    IndexName,
+    Statement,
+    Table,
+)
+from django.db.backends.utils import names_digest, split_identifier, truncate_name
+from django.db.models import NOT_PROVIDED, Deferrable, Index
+from django.db.models.sql import Query
+from django.db.transaction import TransactionManagementError, atomic
+from django.utils import timezone
+
+logger = logging.getLogger("django.db.backends.schema")
+
+
+def _is_relevant_relation(relation, altered_field):
+    """
+    When altering the given field, must constraints on its model from the given
+    relation be temporarily dropped?
+    """
+    field = relation.field
+    if field.many_to_many:
+        # M2M reverse field
+        return False
+    if altered_field.primary_key and field.to_fields == [None]:
+        # Foreign key constraint on the primary key, which is being altered.
+        return True
+    # Is the constraint targeting the field being altered?
+    return altered_field.name in field.to_fields
+
+
+def _all_related_fields(model):
+    # Related fields must be returned in a deterministic order.
+    return sorted(
+        model._meta._get_fields(
+            forward=False,
+            reverse=True,
+            include_hidden=True,
+            include_parents=False,
+        ),
+        key=operator.attrgetter("name"),
+    )
+
+
+def _related_non_m2m_objects(old_field, new_field):
+    # Filter out m2m objects from reverse relations.
+    # Return (old_relation, new_relation) tuples.
+    related_fields = zip(
+        (
+            obj
+            for obj in _all_related_fields(old_field.model)
+            if _is_relevant_relation(obj, old_field)
+        ),
+        (
+            obj
+            for obj in _all_related_fields(new_field.model)
+            if _is_relevant_relation(obj, new_field)
+        ),
+    )
+    for old_rel, new_rel in related_fields:
+        yield old_rel, new_rel
+        yield from _related_non_m2m_objects(
+            old_rel.remote_field,
+            new_rel.remote_field,
+        )
+
+
+class BaseDatabaseSchemaEditor:
+    """
+    This class and its subclasses are responsible for emitting schema-changing
+    statements to the databases - model creation/removal/alteration, field
+    renaming, index fiddling, and so on.
+    """
+
+    # Overrideable SQL templates
+    sql_create_table = "CREATE TABLE %(table)s (%(definition)s)"
+    sql_rename_table = "ALTER TABLE %(old_table)s RENAME TO %(new_table)s"
+    sql_retablespace_table = "ALTER TABLE %(table)s SET TABLESPACE %(new_tablespace)s"
+    sql_delete_table = "DROP TABLE %(table)s CASCADE"
+
+    sql_create_column = "ALTER TABLE %(table)s ADD COLUMN %(column)s %(definition)s"
+    sql_alter_column = "ALTER TABLE %(table)s %(changes)s"
+    sql_alter_column_type = "ALTER COLUMN %(column)s TYPE %(type)s%(collation)s"
+    sql_alter_column_null = "ALTER COLUMN %(column)s DROP NOT NULL"
+    sql_alter_column_not_null = "ALTER COLUMN %(column)s SET NOT NULL"
+    sql_alter_column_default = "ALTER COLUMN %(column)s SET DEFAULT %(default)s"
+    sql_alter_column_no_default = "ALTER COLUMN %(column)s DROP DEFAULT"
+    sql_alter_column_no_default_null = sql_alter_column_no_default
+    sql_delete_column = "ALTER TABLE %(table)s DROP COLUMN %(column)s CASCADE"
+    sql_rename_column = (
+        "ALTER TABLE %(table)s RENAME COLUMN %(old_column)s TO %(new_column)s"
+    )
+    sql_update_with_default = (
+        "UPDATE %(table)s SET %(column)s = %(default)s WHERE %(column)s IS NULL"
+    )
+
+    sql_unique_constraint = "UNIQUE (%(columns)s)%(deferrable)s"
+    sql_check_constraint = "CHECK (%(check)s)"
+    sql_delete_constraint = "ALTER TABLE %(table)s DROP CONSTRAINT %(name)s"
+    sql_constraint = "CONSTRAINT %(name)s %(constraint)s"
+
+    sql_create_check = "ALTER TABLE %(table)s ADD CONSTRAINT %(name)s CHECK (%(check)s)"
+    sql_delete_check = sql_delete_constraint
+
+    sql_create_unique = (
+        "ALTER TABLE %(table)s ADD CONSTRAINT %(name)s "
+        "UNIQUE%(nulls_distinct)s (%(columns)s)%(deferrable)s"
+    )
+    sql_delete_unique = sql_delete_constraint
+
+    sql_create_fk = (
+        "ALTER TABLE %(table)s ADD CONSTRAINT %(name)s FOREIGN KEY (%(column)s) "
+        "REFERENCES %(to_table)s (%(to_column)s)%(deferrable)s"
+    )
+    sql_create_inline_fk = None
+    sql_create_column_inline_fk = None
+    sql_delete_fk = sql_delete_constraint
+
+    sql_create_index = (
+        "CREATE INDEX %(name)s ON %(table)s "
+        "(%(columns)s)%(include)s%(extra)s%(condition)s"
+    )
+    sql_create_unique_index = (
+        "CREATE UNIQUE INDEX %(name)s ON %(table)s "
+        "(%(columns)s)%(include)s%(nulls_distinct)s%(condition)s"
+    )
+    sql_rename_index = "ALTER INDEX %(old_name)s RENAME TO %(new_name)s"
+    sql_delete_index = "DROP INDEX %(name)s"
+
+    sql_create_pk = (
+        "ALTER TABLE %(table)s ADD CONSTRAINT %(name)s PRIMARY KEY (%(columns)s)"
+    )
+    sql_delete_pk = sql_delete_constraint
+
+    sql_delete_procedure = "DROP PROCEDURE %(procedure)s"
+
+    sql_alter_table_comment = "COMMENT ON TABLE %(table)s IS %(comment)s"
+    sql_alter_column_comment = "COMMENT ON COLUMN %(table)s.%(column)s IS %(comment)s"
+
+    def __init__(self, connection, collect_sql=False, atomic=True):
+        self.connection = connection
+        self.collect_sql = collect_sql
+        if self.collect_sql:
+            self.collected_sql = []
+        self.atomic_migration = self.connection.features.can_rollback_ddl and atomic
+
+    # State-managing methods
+
+    def __enter__(self):
+        self.deferred_sql = []
+        if self.atomic_migration:
+            self.atomic = atomic(self.connection.alias)
+            self.atomic.__enter__()
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        if exc_type is None:
+            for sql in self.deferred_sql:
+                self.execute(sql)
+        if self.atomic_migration:
+            self.atomic.__exit__(exc_type, exc_value, traceback)
+
+    # Core utility functions
+
+    def execute(self, sql, params=()):
+        """Execute the given SQL statement, with optional parameters."""
+        # Don't perform the transactional DDL check if SQL is being collected
+        # as it's not going to be executed anyway.
+        if (
+            not self.collect_sql
+            and self.connection.in_atomic_block
+            and not self.connection.features.can_rollback_ddl
+        ):
+            raise TransactionManagementError(
+                "Executing DDL statements while in a transaction on databases "
+                "that can't perform a rollback is prohibited."
+            )
+        # Account for non-string statement objects.
+        sql = str(sql)
+        # Log the command we're running, then run it
+        logger.debug(
+            "%s; (params %r)", sql, params, extra={"params": params, "sql": sql}
+        )
+        if self.collect_sql:
+            ending = "" if sql.rstrip().endswith(";") else ";"
+            if params is not None:
+                self.collected_sql.append(
+                    (sql % tuple(map(self.quote_value, params))) + ending
+                )
+            else:
+                self.collected_sql.append(sql + ending)
+        else:
+            with self.connection.cursor() as cursor:
+                cursor.execute(sql, params)
+
+    def quote_name(self, name):
+        return self.connection.ops.quote_name(name)
+
+    def table_sql(self, model):
+        """Take a model and return its table definition."""
+        # Add any unique_togethers (always deferred, as some fields might be
+        # created afterward, like geometry fields with some backends).
+        for field_names in model._meta.unique_together:
+            fields = [model._meta.get_field(field) for field in field_names]
+            self.deferred_sql.append(self._create_unique_sql(model, fields))
+        # Create column SQL, add FK deferreds if needed.
+        column_sqls = []
+        params = []
+        for field in model._meta.local_fields:
+            # SQL.
+            definition, extra_params = self.column_sql(model, field)
+            if definition is None:
+                continue
+            # Check constraints can go on the column SQL here.
+            db_params = field.db_parameters(connection=self.connection)
+            if db_params["check"]:
+                definition += " " + self.sql_check_constraint % db_params
+            # Autoincrement SQL (for backends with inline variant).
+            col_type_suffix = field.db_type_suffix(connection=self.connection)
+            if col_type_suffix:
+                definition += " %s" % col_type_suffix
+            params.extend(extra_params)
+            # FK.
+            if field.remote_field and field.db_constraint:
+                to_table = field.remote_field.model._meta.db_table
+                to_column = field.remote_field.model._meta.get_field(
+                    field.remote_field.field_name
+                ).column
+                if self.sql_create_inline_fk:
+                    definition += " " + self.sql_create_inline_fk % {
+                        "to_table": self.quote_name(to_table),
+                        "to_column": self.quote_name(to_column),
+                    }
+                elif self.connection.features.supports_foreign_keys:
+                    self.deferred_sql.append(
+                        self._create_fk_sql(
+                            model, field, "_fk_%(to_table)s_%(to_column)s"
+                        )
+                    )
+            # Add the SQL to our big list.
+            column_sqls.append(
+                "%s %s"
+                % (
+                    self.quote_name(field.column),
+                    definition,
+                )
+            )
+            # Autoincrement SQL (for backends with post table definition
+            # variant).
+            if field.get_internal_type() in (
+                "AutoField",
+                "BigAutoField",
+                "SmallAutoField",
+            ):
+                autoinc_sql = self.connection.ops.autoinc_sql(
+                    model._meta.db_table, field.column
+                )
+                if autoinc_sql:
+                    self.deferred_sql.extend(autoinc_sql)
+        constraints = [
+            constraint.constraint_sql(model, self)
+            for constraint in model._meta.constraints
+        ]
+        sql = self.sql_create_table % {
+            "table": self.quote_name(model._meta.db_table),
+            "definition": ", ".join(
+                str(constraint)
+                for constraint in (*column_sqls, *constraints)
+                if constraint
+            ),
+        }
+        if model._meta.db_tablespace:
+            tablespace_sql = self.connection.ops.tablespace_sql(
+                model._meta.db_tablespace
+            )
+            if tablespace_sql:
+                sql += " " + tablespace_sql
+        return sql, params
+
+    # Field <-> database mapping functions
+
+    def _iter_column_sql(
+        self, column_db_type, params, model, field, field_db_params, include_default
+    ):
+        yield column_db_type
+        if collation := field_db_params.get("collation"):
+            yield self._collate_sql(collation)
+        if self.connection.features.supports_comments_inline and field.db_comment:
+            yield self._comment_sql(field.db_comment)
+        # Work out nullability.
+        null = field.null
+        # Add database default.
+        if field.db_default is not NOT_PROVIDED:
+            default_sql, default_params = self.db_default_sql(field)
+            yield f"DEFAULT {default_sql}"
+            params.extend(default_params)
+            include_default = False
+        # Include a default value, if requested.
+        include_default = (
+            include_default
+            and not self.skip_default(field)
+            and
+            # Don't include a default value if it's a nullable field and the
+            # default cannot be dropped in the ALTER COLUMN statement (e.g.
+            # MySQL longtext and longblob).
+            not (null and self.skip_default_on_alter(field))
+        )
+        if include_default:
+            default_value = self.effective_default(field)
+            if default_value is not None:
+                column_default = "DEFAULT " + self._column_default_sql(field)
+                if self.connection.features.requires_literal_defaults:
+                    # Some databases can't take defaults as a parameter
+                    # (Oracle, SQLite). If this is the case, the individual
+                    # schema backend should implement prepare_default().
+                    yield column_default % self.prepare_default(default_value)
+                else:
+                    yield column_default
+                    params.append(default_value)
+        # Oracle treats the empty string ('') as null, so coerce the null
+        # option whenever '' is a possible value.
+        if (
+            field.empty_strings_allowed
+            and not field.primary_key
+            and self.connection.features.interprets_empty_strings_as_nulls
+        ):
+            null = True
+        if field.generated:
+            generated_sql, generated_params = self._column_generated_sql(field)
+            params.extend(generated_params)
+            yield generated_sql
+        elif not null:
+            yield "NOT NULL"
+        elif not self.connection.features.implied_column_null:
+            yield "NULL"
+        if field.primary_key:
+            yield "PRIMARY KEY"
+        elif field.unique:
+            yield "UNIQUE"
+        # Optionally add the tablespace if it's an implicitly indexed column.
+        tablespace = field.db_tablespace or model._meta.db_tablespace
+        if (
+            tablespace
+            and self.connection.features.supports_tablespaces
+            and field.unique
+        ):
+            yield self.connection.ops.tablespace_sql(tablespace, inline=True)
+
+    def column_sql(self, model, field, include_default=False):
+        """
+        Return the column definition for a field. The field must already have
+        had set_attributes_from_name() called.
+        """
+        # Get the column's type and use that as the basis of the SQL.
+        field_db_params = field.db_parameters(connection=self.connection)
+        column_db_type = field_db_params["type"]
+        # Check for fields that aren't actually columns (e.g. M2M).
+        if column_db_type is None:
+            return None, None
+        params = []
+        return (
+            " ".join(
+                # This appends to the params being returned.
+                self._iter_column_sql(
+                    column_db_type,
+                    params,
+                    model,
+                    field,
+                    field_db_params,
+                    include_default,
+                )
+            ),
+            params,
+        )
+
+    def skip_default(self, field):
+        """
+        Some backends don't accept default values for certain columns types
+        (i.e. MySQL longtext and longblob).
+        """
+        return False
+
+    def skip_default_on_alter(self, field):
+        """
+        Some backends don't accept default values for certain columns types
+        (i.e. MySQL longtext and longblob) in the ALTER COLUMN statement.
+        """
+        return False
+
+    def prepare_default(self, value):
+        """
+        Only used for backends which have requires_literal_defaults feature
+        """
+        raise NotImplementedError(
+            "subclasses of BaseDatabaseSchemaEditor for backends which have "
+            "requires_literal_defaults must provide a prepare_default() method"
+        )
+
+    def _column_default_sql(self, field):
+        """
+        Return the SQL to use in a DEFAULT clause. The resulting string should
+        contain a '%s' placeholder for a default value.
+        """
+        return "%s"
+
+    def db_default_sql(self, field):
+        """Return the sql and params for the field's database default."""
+        from django.db.models.expressions import Value
+
+        db_default = field._db_default_expression
+        sql = (
+            self._column_default_sql(field) if isinstance(db_default, Value) else "(%s)"
+        )
+        query = Query(model=field.model)
+        compiler = query.get_compiler(connection=self.connection)
+        default_sql, params = compiler.compile(db_default)
+        if self.connection.features.requires_literal_defaults:
+            # Some databases don't support parameterized defaults (Oracle,
+            # SQLite). If this is the case, the individual schema backend
+            # should implement prepare_default().
+            default_sql %= tuple(self.prepare_default(p) for p in params)
+            params = []
+        return sql % default_sql, params
+
+    def _column_generated_sql(self, field):
+        """Return the SQL to use in a GENERATED ALWAYS clause."""
+        expression_sql, params = field.generated_sql(self.connection)
+        persistency_sql = "STORED" if field.db_persist else "VIRTUAL"
+        if self.connection.features.requires_literal_defaults:
+            expression_sql = expression_sql % tuple(self.quote_value(p) for p in params)
+            params = ()
+        return f"GENERATED ALWAYS AS ({expression_sql}) {persistency_sql}", params
+
+    @staticmethod
+    def _effective_default(field):
+        # This method allows testing its logic without a connection.
+        if field.has_default():
+            default = field.get_default()
+        elif field.generated:
+            default = None
+        elif not field.null and field.blank and field.empty_strings_allowed:
+            if field.get_internal_type() == "BinaryField":
+                default = b""
+            else:
+                default = ""
+        elif getattr(field, "auto_now", False) or getattr(field, "auto_now_add", False):
+            internal_type = field.get_internal_type()
+            if internal_type == "DateTimeField":
+                default = timezone.now()
+            else:
+                default = datetime.now()
+                if internal_type == "DateField":
+                    default = default.date()
+                elif internal_type == "TimeField":
+                    default = default.time()
+        else:
+            default = None
+        return default
+
+    def effective_default(self, field):
+        """Return a field's effective database default value."""
+        return field.get_db_prep_save(self._effective_default(field), self.connection)
+
+    def quote_value(self, value):
+        """
+        Return a quoted version of the value so it's safe to use in an SQL
+        string. This is not safe against injection from user code; it is
+        intended only for use in making SQL scripts or preparing default values
+        for particularly tricky backends (defaults are not user-defined, though,
+        so this is safe).
+        """
+        raise NotImplementedError()
+
+    # Actions
+
+    def create_model(self, model):
+        """
+        Create a table and any accompanying indexes or unique constraints for
+        the given `model`.
+        """
+        sql, params = self.table_sql(model)
+        # Prevent using [] as params, in the case a literal '%' is used in the
+        # definition on backends that don't support parametrized DDL.
+        self.execute(sql, params or None)
+
+        if self.connection.features.supports_comments:
+            # Add table comment.
+            if model._meta.db_table_comment:
+                self.alter_db_table_comment(model, None, model._meta.db_table_comment)
+            # Add column comments.
+            if not self.connection.features.supports_comments_inline:
+                for field in model._meta.local_fields:
+                    if field.db_comment:
+                        field_db_params = field.db_parameters(
+                            connection=self.connection
+                        )
+                        field_type = field_db_params["type"]
+                        self.execute(
+                            *self._alter_column_comment_sql(
+                                model, field, field_type, field.db_comment
+                            )
+                        )
+        # Add any field index and index_together's (deferred as SQLite
+        # _remake_table needs it).
+        self.deferred_sql.extend(self._model_indexes_sql(model))
+
+        # Make M2M tables
+        for field in model._meta.local_many_to_many:
+            if field.remote_field.through._meta.auto_created:
+                self.create_model(field.remote_field.through)
+
+    def delete_model(self, model):
+        """Delete a model from the database."""
+        # Handle auto-created intermediary models
+        for field in model._meta.local_many_to_many:
+            if field.remote_field.through._meta.auto_created:
+                self.delete_model(field.remote_field.through)
+
+        # Delete the table
+        self.execute(
+            self.sql_delete_table
+            % {
+                "table": self.quote_name(model._meta.db_table),
+            }
+        )
+        # Remove all deferred statements referencing the deleted table.
+        for sql in list(self.deferred_sql):
+            if isinstance(sql, Statement) and sql.references_table(
+                model._meta.db_table
+            ):
+                self.deferred_sql.remove(sql)
+
+    def add_index(self, model, index):
+        """Add an index on a model."""
+        if (
+            index.contains_expressions
+            and not self.connection.features.supports_expression_indexes
+        ):
+            return None
+        # Index.create_sql returns interpolated SQL which makes params=None a
+        # necessity to avoid escaping attempts on execution.
+        self.execute(index.create_sql(model, self), params=None)
+
+    def remove_index(self, model, index):
+        """Remove an index from a model."""
+        if (
+            index.contains_expressions
+            and not self.connection.features.supports_expression_indexes
+        ):
+            return None
+        self.execute(index.remove_sql(model, self))
+
+    def rename_index(self, model, old_index, new_index):
+        if self.connection.features.can_rename_index:
+            self.execute(
+                self._rename_index_sql(model, old_index.name, new_index.name),
+                params=None,
+            )
+        else:
+            self.remove_index(model, old_index)
+            self.add_index(model, new_index)
+
+    def add_constraint(self, model, constraint):
+        """Add a constraint to a model."""
+        sql = constraint.create_sql(model, self)
+        if sql:
+            # Constraint.create_sql returns interpolated SQL which makes
+            # params=None a necessity to avoid escaping attempts on execution.
+            self.execute(sql, params=None)
+
+    def remove_constraint(self, model, constraint):
+        """Remove a constraint from a model."""
+        sql = constraint.remove_sql(model, self)
+        if sql:
+            self.execute(sql)
+
+    def alter_unique_together(self, model, old_unique_together, new_unique_together):
+        """
+        Deal with a model changing its unique_together. The input
+        unique_togethers must be doubly-nested, not the single-nested
+        ["foo", "bar"] format.
+        """
+        olds = {tuple(fields) for fields in old_unique_together}
+        news = {tuple(fields) for fields in new_unique_together}
+        # Deleted uniques
+        for fields in olds.difference(news):
+            self._delete_composed_index(
+                model,
+                fields,
+                {"unique": True, "primary_key": False},
+                self.sql_delete_unique,
+            )
+        # Created uniques
+        for field_names in news.difference(olds):
+            fields = [model._meta.get_field(field) for field in field_names]
+            self.execute(self._create_unique_sql(model, fields))
+
+    def alter_index_together(self, model, old_index_together, new_index_together):
+        """
+        Deal with a model changing its index_together. The input
+        index_togethers must be doubly-nested, not the single-nested
+        ["foo", "bar"] format.
+        """
+        olds = {tuple(fields) for fields in old_index_together}
+        news = {tuple(fields) for fields in new_index_together}
+        # Deleted indexes
+        for fields in olds.difference(news):
+            self._delete_composed_index(
+                model,
+                fields,
+                {"index": True, "unique": False},
+                self.sql_delete_index,
+            )
+        # Created indexes
+        for field_names in news.difference(olds):
+            fields = [model._meta.get_field(field) for field in field_names]
+            self.execute(self._create_index_sql(model, fields=fields, suffix="_idx"))
+
+    def _delete_composed_index(self, model, fields, constraint_kwargs, sql):
+        meta_constraint_names = {
+            constraint.name for constraint in model._meta.constraints
+        }
+        meta_index_names = {constraint.name for constraint in model._meta.indexes}
+        columns = [model._meta.get_field(field).column for field in fields]
+        constraint_names = self._constraint_names(
+            model,
+            columns,
+            exclude=meta_constraint_names | meta_index_names,
+            **constraint_kwargs,
+        )
+        if (
+            constraint_kwargs.get("unique") is True
+            and constraint_names
+            and self.connection.features.allows_multiple_constraints_on_same_fields
+        ):
+            # Constraint matching the unique_together name.
+            default_name = str(
+                self._unique_constraint_name(model._meta.db_table, columns, quote=False)
+            )
+            if default_name in constraint_names:
+                constraint_names = [default_name]
+        if len(constraint_names) != 1:
+            raise ValueError(
+                "Found wrong number (%s) of constraints for %s(%s)"
+                % (
+                    len(constraint_names),
+                    model._meta.db_table,
+                    ", ".join(columns),
+                )
+            )
+        self.execute(self._delete_constraint_sql(sql, model, constraint_names[0]))
+
+    def alter_db_table(self, model, old_db_table, new_db_table):
+        """Rename the table a model points to."""
+        if old_db_table == new_db_table or (
+            self.connection.features.ignores_table_name_case
+            and old_db_table.lower() == new_db_table.lower()
+        ):
+            return
+        self.execute(
+            self.sql_rename_table
+            % {
+                "old_table": self.quote_name(old_db_table),
+                "new_table": self.quote_name(new_db_table),
+            }
+        )
+        # Rename all references to the old table name.
+        for sql in self.deferred_sql:
+            if isinstance(sql, Statement):
+                sql.rename_table_references(old_db_table, new_db_table)
+
+    def alter_db_table_comment(self, model, old_db_table_comment, new_db_table_comment):
+        if self.sql_alter_table_comment and self.connection.features.supports_comments:
+            self.execute(
+                self.sql_alter_table_comment
+                % {
+                    "table": self.quote_name(model._meta.db_table),
+                    "comment": self.quote_value(new_db_table_comment or ""),
+                }
+            )
+
+    def alter_db_tablespace(self, model, old_db_tablespace, new_db_tablespace):
+        """Move a model's table between tablespaces."""
+        self.execute(
+            self.sql_retablespace_table
+            % {
+                "table": self.quote_name(model._meta.db_table),
+                "old_tablespace": self.quote_name(old_db_tablespace),
+                "new_tablespace": self.quote_name(new_db_tablespace),
+            }
+        )
+
+    def add_field(self, model, field):
+        """
+        Create a field on a model. Usually involves adding a column, but may
+        involve adding a table instead (for M2M fields).
+        """
+        # Special-case implicit M2M tables
+        if field.many_to_many and field.remote_field.through._meta.auto_created:
+            return self.create_model(field.remote_field.through)
+        # Get the column's definition
+        definition, params = self.column_sql(model, field, include_default=True)
+        # It might not actually have a column behind it
+        if definition is None:
+            return
+        if col_type_suffix := field.db_type_suffix(connection=self.connection):
+            definition += f" {col_type_suffix}"
+        # Check constraints can go on the column SQL here
+        db_params = field.db_parameters(connection=self.connection)
+        if db_params["check"]:
+            definition += " " + self.sql_check_constraint % db_params
+        if (
+            field.remote_field
+            and self.connection.features.supports_foreign_keys
+            and field.db_constraint
+        ):
+            constraint_suffix = "_fk_%(to_table)s_%(to_column)s"
+            # Add FK constraint inline, if supported.
+            if self.sql_create_column_inline_fk:
+                to_table = field.remote_field.model._meta.db_table
+                to_column = field.remote_field.model._meta.get_field(
+                    field.remote_field.field_name
+                ).column
+                namespace, _ = split_identifier(model._meta.db_table)
+                definition += " " + self.sql_create_column_inline_fk % {
+                    "name": self._fk_constraint_name(model, field, constraint_suffix),
+                    "namespace": (
+                        "%s." % self.quote_name(namespace) if namespace else ""
+                    ),
+                    "column": self.quote_name(field.column),
+                    "to_table": self.quote_name(to_table),
+                    "to_column": self.quote_name(to_column),
+                    "deferrable": self.connection.ops.deferrable_sql(),
+                }
+            # Otherwise, add FK constraints later.
+            else:
+                self.deferred_sql.append(
+                    self._create_fk_sql(model, field, constraint_suffix)
+                )
+        # Build the SQL and run it
+        sql = self.sql_create_column % {
+            "table": self.quote_name(model._meta.db_table),
+            "column": self.quote_name(field.column),
+            "definition": definition,
+        }
+        # Prevent using [] as params, in the case a literal '%' is used in the
+        # definition on backends that don't support parametrized DDL.
+        self.execute(sql, params or None)
+        # Drop the default if we need to
+        if (
+            field.db_default is NOT_PROVIDED
+            and not self.skip_default_on_alter(field)
+            and self.effective_default(field) is not None
+        ):
+            changes_sql, params = self._alter_column_default_sql(
+                model, None, field, drop=True
+            )
+            sql = self.sql_alter_column % {
+                "table": self.quote_name(model._meta.db_table),
+                "changes": changes_sql,
+            }
+            self.execute(sql, params)
+        # Add field comment, if required.
+        if (
+            field.db_comment
+            and self.connection.features.supports_comments
+            and not self.connection.features.supports_comments_inline
+        ):
+            field_type = db_params["type"]
+            self.execute(
+                *self._alter_column_comment_sql(
+                    model, field, field_type, field.db_comment
+                )
+            )
+        # Add an index, if required
+        self.deferred_sql.extend(self._field_indexes_sql(model, field))
+        # Reset connection if required
+        if self.connection.features.connection_persists_old_columns:
+            self.connection.close()
+
+    def remove_field(self, model, field):
+        """
+        Remove a field from a model. Usually involves deleting a column,
+        but for M2Ms may involve deleting a table.
+        """
+        # Special-case implicit M2M tables
+        if field.many_to_many and field.remote_field.through._meta.auto_created:
+            return self.delete_model(field.remote_field.through)
+        # It might not actually have a column behind it
+        if field.db_parameters(connection=self.connection)["type"] is None:
+            return
+        # Drop any FK constraints, MySQL requires explicit deletion
+        if field.remote_field:
+            fk_names = self._constraint_names(model, [field.column], foreign_key=True)
+            for fk_name in fk_names:
+                self.execute(self._delete_fk_sql(model, fk_name))
+        # Delete the column
+        sql = self.sql_delete_column % {
+            "table": self.quote_name(model._meta.db_table),
+            "column": self.quote_name(field.column),
+        }
+        self.execute(sql)
+        # Reset connection if required
+        if self.connection.features.connection_persists_old_columns:
+            self.connection.close()
+        # Remove all deferred statements referencing the deleted column.
+        for sql in list(self.deferred_sql):
+            if isinstance(sql, Statement) and sql.references_column(
+                model._meta.db_table, field.column
+            ):
+                self.deferred_sql.remove(sql)
+
+    def alter_field(self, model, old_field, new_field, strict=False):
+        """
+        Allow a field's type, uniqueness, nullability, default, column,
+        constraints, etc. to be modified.
+        `old_field` is required to compute the necessary changes.
+        If `strict` is True, raise errors if the old column does not match
+        `old_field` precisely.
+        """
+        if not self._field_should_be_altered(old_field, new_field):
+            return
+        # Ensure this field is even column-based
+        old_db_params = old_field.db_parameters(connection=self.connection)
+        old_type = old_db_params["type"]
+        new_db_params = new_field.db_parameters(connection=self.connection)
+        new_type = new_db_params["type"]
+        modifying_generated_field = False
+        if (old_type is None and old_field.remote_field is None) or (
+            new_type is None and new_field.remote_field is None
+        ):
+            raise ValueError(
+                "Cannot alter field %s into %s - they do not properly define "
+                "db_type (are you using a badly-written custom field?)"
+                % (old_field, new_field),
+            )
+        elif (
+            old_type is None
+            and new_type is None
+            and (
+                old_field.remote_field.through
+                and new_field.remote_field.through
+                and old_field.remote_field.through._meta.auto_created
+                and new_field.remote_field.through._meta.auto_created
+            )
+        ):
+            return self._alter_many_to_many(model, old_field, new_field, strict)
+        elif (
+            old_type is None
+            and new_type is None
+            and (
+                old_field.remote_field.through
+                and new_field.remote_field.through
+                and not old_field.remote_field.through._meta.auto_created
+                and not new_field.remote_field.through._meta.auto_created
+            )
+        ):
+            # Both sides have through models; this is a no-op.
+            return
+        elif old_type is None or new_type is None:
+            raise ValueError(
+                "Cannot alter field %s into %s - they are not compatible types "
+                "(you cannot alter to or from M2M fields, or add or remove "
+                "through= on M2M fields)" % (old_field, new_field)
+            )
+        elif old_field.generated != new_field.generated or (
+            new_field.generated and old_field.db_persist != new_field.db_persist
+        ):
+            modifying_generated_field = True
+        elif new_field.generated:
+            try:
+                old_field_sql = old_field.generated_sql(self.connection)
+            except FieldError:
+                # Field used in a generated field was renamed.
+                modifying_generated_field = True
+            else:
+                new_field_sql = new_field.generated_sql(self.connection)
+                modifying_generated_field = old_field_sql != new_field_sql
+        if modifying_generated_field:
+            raise ValueError(
+                f"Modifying GeneratedFields is not supported - the field {new_field} "
+                "must be removed and re-added with the new definition."
+            )
+
+        self._alter_field(
+            model,
+            old_field,
+            new_field,
+            old_type,
+            new_type,
+            old_db_params,
+            new_db_params,
+            strict,
+        )
+
+    def _field_db_check(self, field, field_db_params):
+        # Always check constraints with the same mocked column name to avoid
+        # recreating constrains when the column is renamed.
+        check_constraints = self.connection.data_type_check_constraints
+        data = field.db_type_parameters(self.connection)
+        data["column"] = "__column_name__"
+        try:
+            return check_constraints[field.get_internal_type()] % data
+        except KeyError:
+            return None
+
+    def _alter_field(
+        self,
+        model,
+        old_field,
+        new_field,
+        old_type,
+        new_type,
+        old_db_params,
+        new_db_params,
+        strict=False,
+    ):
+        """Perform a "physical" (non-ManyToMany) field update."""
+        # Drop any FK constraints, we'll remake them later
+        fks_dropped = set()
+        if (
+            self.connection.features.supports_foreign_keys
+            and old_field.remote_field
+            and old_field.db_constraint
+            and self._field_should_be_altered(
+                old_field,
+                new_field,
+                ignore={"db_comment"},
+            )
+        ):
+            fk_names = self._constraint_names(
+                model, [old_field.column], foreign_key=True
+            )
+            if strict and len(fk_names) != 1:
+                raise ValueError(
+                    "Found wrong number (%s) of foreign key constraints for %s.%s"
+                    % (
+                        len(fk_names),
+                        model._meta.db_table,
+                        old_field.column,
+                    )
+                )
+            for fk_name in fk_names:
+                fks_dropped.add((old_field.column,))
+                self.execute(self._delete_fk_sql(model, fk_name))
+        # Has unique been removed?
+        if old_field.unique and (
+            not new_field.unique or self._field_became_primary_key(old_field, new_field)
+        ):
+            # Find the unique constraint for this field
+            meta_constraint_names = {
+                constraint.name for constraint in model._meta.constraints
+            }
+            constraint_names = self._constraint_names(
+                model,
+                [old_field.column],
+                unique=True,
+                primary_key=False,
+                exclude=meta_constraint_names,
+            )
+            if strict and len(constraint_names) != 1:
+                raise ValueError(
+                    "Found wrong number (%s) of unique constraints for %s.%s"
+                    % (
+                        len(constraint_names),
+                        model._meta.db_table,
+                        old_field.column,
+                    )
+                )
+            for constraint_name in constraint_names:
+                self.execute(self._delete_unique_sql(model, constraint_name))
+        # Drop incoming FK constraints if the field is a primary key or unique,
+        # which might be a to_field target, and things are going to change.
+        old_collation = old_db_params.get("collation")
+        new_collation = new_db_params.get("collation")
+        drop_foreign_keys = (
+            self.connection.features.supports_foreign_keys
+            and (
+                (old_field.primary_key and new_field.primary_key)
+                or (old_field.unique and new_field.unique)
+            )
+            and ((old_type != new_type) or (old_collation != new_collation))
+        )
+        if drop_foreign_keys:
+            # '_meta.related_field' also contains M2M reverse fields, these
+            # will be filtered out
+            for _old_rel, new_rel in _related_non_m2m_objects(old_field, new_field):
+                rel_fk_names = self._constraint_names(
+                    new_rel.related_model, [new_rel.field.column], foreign_key=True
+                )
+                for fk_name in rel_fk_names:
+                    self.execute(self._delete_fk_sql(new_rel.related_model, fk_name))
+        # Removed an index? (no strict check, as multiple indexes are possible)
+        # Remove indexes if db_index switched to False or a unique constraint
+        # will now be used in lieu of an index. The following lines from the
+        # truth table show all True cases; the rest are False:
+        #
+        # old_field.db_index | old_field.unique | new_field.db_index | new_field.unique
+        # ------------------------------------------------------------------------------
+        # True               | False            | False              | False
+        # True               | False            | False              | True
+        # True               | False            | True               | True
+        if (
+            old_field.db_index
+            and not old_field.unique
+            and (not new_field.db_index or new_field.unique)
+        ):
+            # Find the index for this field
+            meta_index_names = {index.name for index in model._meta.indexes}
+            # Retrieve only BTREE indexes since this is what's created with
+            # db_index=True.
+            index_names = self._constraint_names(
+                model,
+                [old_field.column],
+                index=True,
+                type_=Index.suffix,
+                exclude=meta_index_names,
+            )
+            for index_name in index_names:
+                # The only way to check if an index was created with
+                # db_index=True or with Index(['field'], name='foo')
+                # is to look at its name (refs #28053).
+                self.execute(self._delete_index_sql(model, index_name))
+        # Change check constraints?
+        old_db_check = self._field_db_check(old_field, old_db_params)
+        new_db_check = self._field_db_check(new_field, new_db_params)
+        if old_db_check != new_db_check and old_db_check:
+            meta_constraint_names = {
+                constraint.name for constraint in model._meta.constraints
+            }
+            constraint_names = self._constraint_names(
+                model,
+                [old_field.column],
+                check=True,
+                exclude=meta_constraint_names,
+            )
+            if strict and len(constraint_names) != 1:
+                raise ValueError(
+                    "Found wrong number (%s) of check constraints for %s.%s"
+                    % (
+                        len(constraint_names),
+                        model._meta.db_table,
+                        old_field.column,
+                    )
+                )
+            for constraint_name in constraint_names:
+                self.execute(self._delete_check_sql(model, constraint_name))
+        # Have they renamed the column?
+        if old_field.column != new_field.column:
+            self.execute(
+                self._rename_field_sql(
+                    model._meta.db_table, old_field, new_field, new_type
+                )
+            )
+            # Rename all references to the renamed column.
+            for sql in self.deferred_sql:
+                if isinstance(sql, Statement):
+                    sql.rename_column_references(
+                        model._meta.db_table, old_field.column, new_field.column
+                    )
+        # Next, start accumulating actions to do
+        actions = []
+        null_actions = []
+        post_actions = []
+        # Type suffix change? (e.g. auto increment).
+        old_type_suffix = old_field.db_type_suffix(connection=self.connection)
+        new_type_suffix = new_field.db_type_suffix(connection=self.connection)
+        # Type, collation, or comment change?
+        if (
+            old_type != new_type
+            or old_type_suffix != new_type_suffix
+            or old_collation != new_collation
+            or (
+                self.connection.features.supports_comments
+                and old_field.db_comment != new_field.db_comment
+            )
+        ):
+            fragment, other_actions = self._alter_column_type_sql(
+                model, old_field, new_field, new_type, old_collation, new_collation
+            )
+            actions.append(fragment)
+            post_actions.extend(other_actions)
+
+        if new_field.db_default is not NOT_PROVIDED:
+            if (
+                old_field.db_default is NOT_PROVIDED
+                or new_field.db_default != old_field.db_default
+            ):
+                actions.append(
+                    self._alter_column_database_default_sql(model, old_field, new_field)
+                )
+        elif old_field.db_default is not NOT_PROVIDED:
+            actions.append(
+                self._alter_column_database_default_sql(
+                    model, old_field, new_field, drop=True
+                )
+            )
+        # When changing a column NULL constraint to NOT NULL with a given
+        # default value, we need to perform 4 steps:
+        #  1. Add a default for new incoming writes
+        #  2. Update existing NULL rows with new default
+        #  3. Replace NULL constraint with NOT NULL
+        #  4. Drop the default again.
+        # Default change?
+        needs_database_default = False
+        if (
+            old_field.null
+            and not new_field.null
+            and new_field.db_default is NOT_PROVIDED
+        ):
+            old_default = self.effective_default(old_field)
+            new_default = self.effective_default(new_field)
+            if (
+                not self.skip_default_on_alter(new_field)
+                and old_default != new_default
+                and new_default is not None
+            ):
+                needs_database_default = True
+                actions.append(
+                    self._alter_column_default_sql(model, old_field, new_field)
+                )
+        # Nullability change?
+        if old_field.null != new_field.null:
+            fragment = self._alter_column_null_sql(model, old_field, new_field)
+            if fragment:
+                null_actions.append(fragment)
+        # Only if we have a default and there is a change from NULL to NOT NULL
+        four_way_default_alteration = (
+            new_field.has_default() or new_field.db_default is not NOT_PROVIDED
+        ) and (old_field.null and not new_field.null)
+        if actions or null_actions:
+            if not four_way_default_alteration:
+                # If we don't have to do a 4-way default alteration we can
+                # directly run a (NOT) NULL alteration
+                actions += null_actions
+            # Combine actions together if we can (e.g. postgres)
+            if self.connection.features.supports_combined_alters and actions:
+                sql, params = tuple(zip(*actions))
+                actions = [(", ".join(sql), sum(params, []))]
+            # Apply those actions
+            for sql, params in actions:
+                self.execute(
+                    self.sql_alter_column
+                    % {
+                        "table": self.quote_name(model._meta.db_table),
+                        "changes": sql,
+                    },
+                    params,
+                )
+            if four_way_default_alteration:
+                if new_field.db_default is NOT_PROVIDED:
+                    default_sql = "%s"
+                    params = [new_default]
+                else:
+                    default_sql, params = self.db_default_sql(new_field)
+                # Update existing rows with default value
+                self.execute(
+                    self.sql_update_with_default
+                    % {
+                        "table": self.quote_name(model._meta.db_table),
+                        "column": self.quote_name(new_field.column),
+                        "default": default_sql,
+                    },
+                    params,
+                )
+                # Since we didn't run a NOT NULL change before we need to do it
+                # now
+                for sql, params in null_actions:
+                    self.execute(
+                        self.sql_alter_column
+                        % {
+                            "table": self.quote_name(model._meta.db_table),
+                            "changes": sql,
+                        },
+                        params,
+                    )
+        if post_actions:
+            for sql, params in post_actions:
+                self.execute(sql, params)
+        # If primary_key changed to False, delete the primary key constraint.
+        if old_field.primary_key and not new_field.primary_key:
+            self._delete_primary_key(model, strict)
+        # Added a unique?
+        if self._unique_should_be_added(old_field, new_field):
+            self.execute(self._create_unique_sql(model, [new_field]))
+        # Added an index? Add an index if db_index switched to True or a unique
+        # constraint will no longer be used in lieu of an index. The following
+        # lines from the truth table show all True cases; the rest are False:
+        #
+        # old_field.db_index | old_field.unique | new_field.db_index | new_field.unique
+        # ------------------------------------------------------------------------------
+        # False              | False            | True               | False
+        # False              | True             | True               | False
+        # True               | True             | True               | False
+        if (
+            (not old_field.db_index or old_field.unique)
+            and new_field.db_index
+            and not new_field.unique
+        ):
+            self.execute(self._create_index_sql(model, fields=[new_field]))
+        # Type alteration on primary key? Then we need to alter the column
+        # referring to us.
+        rels_to_update = []
+        if drop_foreign_keys:
+            rels_to_update.extend(_related_non_m2m_objects(old_field, new_field))
+        # Changed to become primary key?
+        if self._field_became_primary_key(old_field, new_field):
+            # Make the new one
+            self.execute(self._create_primary_key_sql(model, new_field))
+            # Update all referencing columns
+            rels_to_update.extend(_related_non_m2m_objects(old_field, new_field))
+        # Handle our type alters on the other end of rels from the PK stuff above
+        for old_rel, new_rel in rels_to_update:
+            rel_db_params = new_rel.field.db_parameters(connection=self.connection)
+            rel_type = rel_db_params["type"]
+            rel_collation = rel_db_params.get("collation")
+            old_rel_db_params = old_rel.field.db_parameters(connection=self.connection)
+            old_rel_collation = old_rel_db_params.get("collation")
+            fragment, other_actions = self._alter_column_type_sql(
+                new_rel.related_model,
+                old_rel.field,
+                new_rel.field,
+                rel_type,
+                old_rel_collation,
+                rel_collation,
+            )
+            self.execute(
+                self.sql_alter_column
+                % {
+                    "table": self.quote_name(new_rel.related_model._meta.db_table),
+                    "changes": fragment[0],
+                },
+                fragment[1],
+            )
+            for sql, params in other_actions:
+                self.execute(sql, params)
+        # Does it have a foreign key?
+        if (
+            self.connection.features.supports_foreign_keys
+            and new_field.remote_field
+            and (
+                fks_dropped or not old_field.remote_field or not old_field.db_constraint
+            )
+            and new_field.db_constraint
+        ):
+            self.execute(
+                self._create_fk_sql(model, new_field, "_fk_%(to_table)s_%(to_column)s")
+            )
+        # Rebuild FKs that pointed to us if we previously had to drop them
+        if drop_foreign_keys:
+            for _, rel in rels_to_update:
+                if rel.field.db_constraint:
+                    self.execute(
+                        self._create_fk_sql(rel.related_model, rel.field, "_fk")
+                    )
+        # Does it have check constraints we need to add?
+        if old_db_check != new_db_check and new_db_check:
+            constraint_name = self._create_index_name(
+                model._meta.db_table, [new_field.column], suffix="_check"
+            )
+            self.execute(
+                self._create_check_sql(model, constraint_name, new_db_params["check"])
+            )
+        # Drop the default if we need to
+        # (Django usually does not use in-database defaults)
+        if needs_database_default:
+            changes_sql, params = self._alter_column_default_sql(
+                model, old_field, new_field, drop=True
+            )
+            sql = self.sql_alter_column % {
+                "table": self.quote_name(model._meta.db_table),
+                "changes": changes_sql,
+            }
+            self.execute(sql, params)
+        # Reset connection if required
+        if self.connection.features.connection_persists_old_columns:
+            self.connection.close()
+
+    def _alter_column_null_sql(self, model, old_field, new_field):
+        """
+        Hook to specialize column null alteration.
+
+        Return a (sql, params) fragment to set a column to null or non-null
+        as required by new_field, or None if no changes are required.
+        """
+        if (
+            self.connection.features.interprets_empty_strings_as_nulls
+            and new_field.empty_strings_allowed
+        ):
+            # The field is nullable in the database anyway, leave it alone.
+            return
+        else:
+            new_db_params = new_field.db_parameters(connection=self.connection)
+            sql = (
+                self.sql_alter_column_null
+                if new_field.null
+                else self.sql_alter_column_not_null
+            )
+            return (
+                sql
+                % {
+                    "column": self.quote_name(new_field.column),
+                    "type": new_db_params["type"],
+                },
+                [],
+            )
+
+    def _alter_column_default_sql(self, model, old_field, new_field, drop=False):
+        """
+        Hook to specialize column default alteration.
+
+        Return a (sql, params) fragment to add or drop (depending on the drop
+        argument) a default to new_field's column.
+        """
+        new_default = self.effective_default(new_field)
+        default = self._column_default_sql(new_field)
+        params = [new_default]
+
+        if drop:
+            params = []
+        elif self.connection.features.requires_literal_defaults:
+            # Some databases (Oracle) can't take defaults as a parameter
+            # If this is the case, the SchemaEditor for that database should
+            # implement prepare_default().
+            default = self.prepare_default(new_default)
+            params = []
+
+        new_db_params = new_field.db_parameters(connection=self.connection)
+        if drop:
+            if new_field.null:
+                sql = self.sql_alter_column_no_default_null
+            else:
+                sql = self.sql_alter_column_no_default
+        else:
+            sql = self.sql_alter_column_default
+        return (
+            sql
+            % {
+                "column": self.quote_name(new_field.column),
+                "type": new_db_params["type"],
+                "default": default,
+            },
+            params,
+        )
+
+    def _alter_column_database_default_sql(
+        self, model, old_field, new_field, drop=False
+    ):
+        """
+        Hook to specialize column database default alteration.
+
+        Return a (sql, params) fragment to add or drop (depending on the drop
+        argument) a default to new_field's column.
+        """
+        if drop:
+            sql = self.sql_alter_column_no_default
+            default_sql = ""
+            params = []
+        else:
+            sql = self.sql_alter_column_default
+            default_sql, params = self.db_default_sql(new_field)
+
+        new_db_params = new_field.db_parameters(connection=self.connection)
+        return (
+            sql
+            % {
+                "column": self.quote_name(new_field.column),
+                "type": new_db_params["type"],
+                "default": default_sql,
+            },
+            params,
+        )
+
+    def _alter_column_type_sql(
+        self, model, old_field, new_field, new_type, old_collation, new_collation
+    ):
+        """
+        Hook to specialize column type alteration for different backends,
+        for cases when a creation type is different to an alteration type
+        (e.g. SERIAL in PostgreSQL, PostGIS fields).
+
+        Return a 2-tuple of: an SQL fragment of (sql, params) to insert into
+        an ALTER TABLE statement and a list of extra (sql, params) tuples to
+        run once the field is altered.
+        """
+        other_actions = []
+        if collate_sql := self._collate_sql(
+            new_collation, old_collation, model._meta.db_table
+        ):
+            collate_sql = f" {collate_sql}"
+        else:
+            collate_sql = ""
+        # Comment change?
+        comment_sql = ""
+        if self.connection.features.supports_comments and not new_field.many_to_many:
+            if old_field.db_comment != new_field.db_comment:
+                # PostgreSQL and Oracle can't execute 'ALTER COLUMN ...' and
+                # 'COMMENT ON ...' at the same time.
+                sql, params = self._alter_column_comment_sql(
+                    model, new_field, new_type, new_field.db_comment
+                )
+                if sql:
+                    other_actions.append((sql, params))
+            if new_field.db_comment:
+                comment_sql = self._comment_sql(new_field.db_comment)
+        return (
+            (
+                self.sql_alter_column_type
+                % {
+                    "column": self.quote_name(new_field.column),
+                    "type": new_type,
+                    "collation": collate_sql,
+                    "comment": comment_sql,
+                },
+                [],
+            ),
+            other_actions,
+        )
+
+    def _alter_column_comment_sql(self, model, new_field, new_type, new_db_comment):
+        return (
+            self.sql_alter_column_comment
+            % {
+                "table": self.quote_name(model._meta.db_table),
+                "column": self.quote_name(new_field.column),
+                "comment": self._comment_sql(new_db_comment),
+            },
+            [],
+        )
+
+    def _comment_sql(self, comment):
+        return self.quote_value(comment or "")
+
+    def _alter_many_to_many(self, model, old_field, new_field, strict):
+        """Alter M2Ms to repoint their to= endpoints."""
+        # Rename the through table
+        if (
+            old_field.remote_field.through._meta.db_table
+            != new_field.remote_field.through._meta.db_table
+        ):
+            self.alter_db_table(
+                old_field.remote_field.through,
+                old_field.remote_field.through._meta.db_table,
+                new_field.remote_field.through._meta.db_table,
+            )
+        # Repoint the FK to the other side
+        self.alter_field(
+            new_field.remote_field.through,
+            # The field that points to the target model is needed, so we can
+            # tell alter_field to change it - this is m2m_reverse_field_name()
+            # (as opposed to m2m_field_name(), which points to our model).
+            old_field.remote_field.through._meta.get_field(
+                old_field.m2m_reverse_field_name()
+            ),
+            new_field.remote_field.through._meta.get_field(
+                new_field.m2m_reverse_field_name()
+            ),
+        )
+        self.alter_field(
+            new_field.remote_field.through,
+            # for self-referential models we need to alter field from the other end too
+            old_field.remote_field.through._meta.get_field(old_field.m2m_field_name()),
+            new_field.remote_field.through._meta.get_field(new_field.m2m_field_name()),
+        )
+
+    def _create_index_name(self, table_name, column_names, suffix=""):
+        """
+        Generate a unique name for an index/unique constraint.
+
+        The name is divided into 3 parts: the table name, the column names,
+        and a unique digest and suffix.
+        """
+        _, table_name = split_identifier(table_name)
+        hash_suffix_part = "%s%s" % (
+            names_digest(table_name, *column_names, length=8),
+            suffix,
+        )
+        max_length = self.connection.ops.max_name_length() or 200
+        # If everything fits into max_length, use that name.
+        index_name = "%s_%s_%s" % (table_name, "_".join(column_names), hash_suffix_part)
+        if len(index_name) <= max_length:
+            return index_name
+        # Shorten a long suffix.
+        if len(hash_suffix_part) > max_length / 3:
+            hash_suffix_part = hash_suffix_part[: max_length // 3]
+        other_length = (max_length - len(hash_suffix_part)) // 2 - 1
+        index_name = "%s_%s_%s" % (
+            table_name[:other_length],
+            "_".join(column_names)[:other_length],
+            hash_suffix_part,
+        )
+        # Prepend D if needed to prevent the name from starting with an
+        # underscore or a number (not permitted on Oracle).
+        if index_name[0] == "_" or index_name[0].isdigit():
+            index_name = "D%s" % index_name[:-1]
+        return index_name
+
+    def _get_index_tablespace_sql(self, model, fields, db_tablespace=None):
+        if db_tablespace is None:
+            if len(fields) == 1 and fields[0].db_tablespace:
+                db_tablespace = fields[0].db_tablespace
+            elif settings.DEFAULT_INDEX_TABLESPACE:
+                db_tablespace = settings.DEFAULT_INDEX_TABLESPACE
+            elif model._meta.db_tablespace:
+                db_tablespace = model._meta.db_tablespace
+        if db_tablespace is not None:
+            return " " + self.connection.ops.tablespace_sql(db_tablespace)
+        return ""
+
+    def _index_condition_sql(self, condition):
+        if condition:
+            return " WHERE " + condition
+        return ""
+
+    def _index_include_sql(self, model, columns):
+        if not columns or not self.connection.features.supports_covering_indexes:
+            return ""
+        return Statement(
+            " INCLUDE (%(columns)s)",
+            columns=Columns(model._meta.db_table, columns, self.quote_name),
+        )
+
+    def _create_index_sql(
+        self,
+        model,
+        *,
+        fields=None,
+        name=None,
+        suffix="",
+        using="",
+        db_tablespace=None,
+        col_suffixes=(),
+        sql=None,
+        opclasses=(),
+        condition=None,
+        include=None,
+        expressions=None,
+    ):
+        """
+        Return the SQL statement to create the index for one or several fields
+        or expressions. `sql` can be specified if the syntax differs from the
+        standard (GIS indexes, ...).
+        """
+        fields = fields or []
+        expressions = expressions or []
+        compiler = Query(model, alias_cols=False).get_compiler(
+            connection=self.connection,
+        )
+        tablespace_sql = self._get_index_tablespace_sql(
+            model, fields, db_tablespace=db_tablespace
+        )
+        columns = [field.column for field in fields]
+        sql_create_index = sql or self.sql_create_index
+        table = model._meta.db_table
+
+        def create_index_name(*args, **kwargs):
+            nonlocal name
+            if name is None:
+                name = self._create_index_name(*args, **kwargs)
+            return self.quote_name(name)
+
+        return Statement(
+            sql_create_index,
+            table=Table(table, self.quote_name),
+            name=IndexName(table, columns, suffix, create_index_name),
+            using=using,
+            columns=(
+                self._index_columns(table, columns, col_suffixes, opclasses)
+                if columns
+                else Expressions(table, expressions, compiler, self.quote_value)
+            ),
+            extra=tablespace_sql,
+            condition=self._index_condition_sql(condition),
+            include=self._index_include_sql(model, include),
+        )
+
+    def _delete_index_sql(self, model, name, sql=None):
+        return Statement(
+            sql or self.sql_delete_index,
+            table=Table(model._meta.db_table, self.quote_name),
+            name=self.quote_name(name),
+        )
+
+    def _rename_index_sql(self, model, old_name, new_name):
+        return Statement(
+            self.sql_rename_index,
+            table=Table(model._meta.db_table, self.quote_name),
+            old_name=self.quote_name(old_name),
+            new_name=self.quote_name(new_name),
+        )
+
+    def _index_columns(self, table, columns, col_suffixes, opclasses):
+        return Columns(table, columns, self.quote_name, col_suffixes=col_suffixes)
+
+    def _model_indexes_sql(self, model):
+        """
+        Return a list of all index SQL statements (field indexes,
+        index_together, Meta.indexes) for the specified model.
+        """
+        if not model._meta.managed or model._meta.proxy or model._meta.swapped:
+            return []
+        output = []
+        for field in model._meta.local_fields:
+            output.extend(self._field_indexes_sql(model, field))
+
+        # RemovedInDjango51Warning.
+        for field_names in model._meta.index_together:
+            fields = [model._meta.get_field(field) for field in field_names]
+            output.append(self._create_index_sql(model, fields=fields, suffix="_idx"))
+
+        for index in model._meta.indexes:
+            if (
+                not index.contains_expressions
+                or self.connection.features.supports_expression_indexes
+            ):
+                output.append(index.create_sql(model, self))
+        return output
+
+    def _field_indexes_sql(self, model, field):
+        """
+        Return a list of all index SQL statements for the specified field.
+        """
+        output = []
+        if self._field_should_be_indexed(model, field):
+            output.append(self._create_index_sql(model, fields=[field]))
+        return output
+
+    def _field_should_be_altered(self, old_field, new_field, ignore=None):
+        if not old_field.concrete and not new_field.concrete:
+            return False
+        ignore = ignore or set()
+        _, old_path, old_args, old_kwargs = old_field.deconstruct()
+        _, new_path, new_args, new_kwargs = new_field.deconstruct()
+        # Don't alter when:
+        # - changing only a field name
+        # - changing an attribute that doesn't affect the schema
+        # - changing an attribute in the provided set of ignored attributes
+        # - adding only a db_column and the column name is not changed
+        # - db_table does not change for model referenced by foreign keys
+        for attr in ignore.union(old_field.non_db_attrs):
+            old_kwargs.pop(attr, None)
+        for attr in ignore.union(new_field.non_db_attrs):
+            new_kwargs.pop(attr, None)
+        if (
+            not new_field.many_to_many
+            and old_field.remote_field
+            and new_field.remote_field
+            and old_field.remote_field.model._meta.db_table
+            == new_field.remote_field.model._meta.db_table
+        ):
+            old_kwargs.pop("to", None)
+            new_kwargs.pop("to", None)
+        # db_default can take many form but result in the same SQL.
+        if (
+            old_kwargs.get("db_default")
+            and new_kwargs.get("db_default")
+            and self.db_default_sql(old_field) == self.db_default_sql(new_field)
+        ):
+            old_kwargs.pop("db_default")
+            new_kwargs.pop("db_default")
+        return self.quote_name(old_field.column) != self.quote_name(
+            new_field.column
+        ) or (old_path, old_args, old_kwargs) != (new_path, new_args, new_kwargs)
+
+    def _field_should_be_indexed(self, model, field):
+        return field.db_index and not field.unique
+
+    def _field_became_primary_key(self, old_field, new_field):
+        return not old_field.primary_key and new_field.primary_key
+
+    def _unique_should_be_added(self, old_field, new_field):
+        return (
+            not new_field.primary_key
+            and new_field.unique
+            and (not old_field.unique or old_field.primary_key)
+        )
+
+    def _rename_field_sql(self, table, old_field, new_field, new_type):
+        return self.sql_rename_column % {
+            "table": self.quote_name(table),
+            "old_column": self.quote_name(old_field.column),
+            "new_column": self.quote_name(new_field.column),
+            "type": new_type,
+        }
+
+    def _create_fk_sql(self, model, field, suffix):
+        table = Table(model._meta.db_table, self.quote_name)
+        name = self._fk_constraint_name(model, field, suffix)
+        column = Columns(model._meta.db_table, [field.column], self.quote_name)
+        to_table = Table(field.target_field.model._meta.db_table, self.quote_name)
+        to_column = Columns(
+            field.target_field.model._meta.db_table,
+            [field.target_field.column],
+            self.quote_name,
+        )
+        deferrable = self.connection.ops.deferrable_sql()
+        return Statement(
+            self.sql_create_fk,
+            table=table,
+            name=name,
+            column=column,
+            to_table=to_table,
+            to_column=to_column,
+            deferrable=deferrable,
+        )
+
+    def _fk_constraint_name(self, model, field, suffix):
+        def create_fk_name(*args, **kwargs):
+            return self.quote_name(self._create_index_name(*args, **kwargs))
+
+        return ForeignKeyName(
+            model._meta.db_table,
+            [field.column],
+            split_identifier(field.target_field.model._meta.db_table)[1],
+            [field.target_field.column],
+            suffix,
+            create_fk_name,
+        )
+
+    def _delete_fk_sql(self, model, name):
+        return self._delete_constraint_sql(self.sql_delete_fk, model, name)
+
+    def _deferrable_constraint_sql(self, deferrable):
+        if deferrable is None:
+            return ""
+        if deferrable == Deferrable.DEFERRED:
+            return " DEFERRABLE INITIALLY DEFERRED"
+        if deferrable == Deferrable.IMMEDIATE:
+            return " DEFERRABLE INITIALLY IMMEDIATE"
+
+    def _unique_index_nulls_distinct_sql(self, nulls_distinct):
+        if nulls_distinct is False:
+            return " NULLS NOT DISTINCT"
+        elif nulls_distinct is True:
+            return " NULLS DISTINCT"
+        return ""
+
+    def _unique_supported(
+        self,
+        condition=None,
+        deferrable=None,
+        include=None,
+        expressions=None,
+        nulls_distinct=None,
+    ):
+        return (
+            (not condition or self.connection.features.supports_partial_indexes)
+            and (
+                not deferrable
+                or self.connection.features.supports_deferrable_unique_constraints
+            )
+            and (not include or self.connection.features.supports_covering_indexes)
+            and (
+                not expressions or self.connection.features.supports_expression_indexes
+            )
+            and (
+                nulls_distinct is None
+                or self.connection.features.supports_nulls_distinct_unique_constraints
+            )
+        )
+
+    def _unique_sql(
+        self,
+        model,
+        fields,
+        name,
+        condition=None,
+        deferrable=None,
+        include=None,
+        opclasses=None,
+        expressions=None,
+        nulls_distinct=None,
+    ):
+        if not self._unique_supported(
+            condition=condition,
+            deferrable=deferrable,
+            include=include,
+            expressions=expressions,
+            nulls_distinct=nulls_distinct,
+        ):
+            return None
+
+        if (
+            condition
+            or include
+            or opclasses
+            or expressions
+            or nulls_distinct is not None
+        ):
+            # Databases support conditional, covering, functional unique,
+            # and nulls distinct constraints via a unique index.
+            sql = self._create_unique_sql(
+                model,
+                fields,
+                name=name,
+                condition=condition,
+                include=include,
+                opclasses=opclasses,
+                expressions=expressions,
+                nulls_distinct=nulls_distinct,
+            )
+            if sql:
+                self.deferred_sql.append(sql)
+            return None
+        constraint = self.sql_unique_constraint % {
+            "columns": ", ".join([self.quote_name(field.column) for field in fields]),
+            "deferrable": self._deferrable_constraint_sql(deferrable),
+        }
+        return self.sql_constraint % {
+            "name": self.quote_name(name),
+            "constraint": constraint,
+        }
+
+    def _create_unique_sql(
+        self,
+        model,
+        fields,
+        name=None,
+        condition=None,
+        deferrable=None,
+        include=None,
+        opclasses=None,
+        expressions=None,
+        nulls_distinct=None,
+    ):
+        if not self._unique_supported(
+            condition=condition,
+            deferrable=deferrable,
+            include=include,
+            expressions=expressions,
+            nulls_distinct=nulls_distinct,
+        ):
+            return None
+
+        compiler = Query(model, alias_cols=False).get_compiler(
+            connection=self.connection
+        )
+        table = model._meta.db_table
+        columns = [field.column for field in fields]
+        if name is None:
+            name = self._unique_constraint_name(table, columns, quote=True)
+        else:
+            name = self.quote_name(name)
+        if condition or include or opclasses or expressions:
+            sql = self.sql_create_unique_index
+        else:
+            sql = self.sql_create_unique
+        if columns:
+            columns = self._index_columns(
+                table, columns, col_suffixes=(), opclasses=opclasses
+            )
+        else:
+            columns = Expressions(table, expressions, compiler, self.quote_value)
+        return Statement(
+            sql,
+            table=Table(table, self.quote_name),
+            name=name,
+            columns=columns,
+            condition=self._index_condition_sql(condition),
+            deferrable=self._deferrable_constraint_sql(deferrable),
+            include=self._index_include_sql(model, include),
+            nulls_distinct=self._unique_index_nulls_distinct_sql(nulls_distinct),
+        )
+
+    def _unique_constraint_name(self, table, columns, quote=True):
+        if quote:
+
+            def create_unique_name(*args, **kwargs):
+                return self.quote_name(self._create_index_name(*args, **kwargs))
+
+        else:
+            create_unique_name = self._create_index_name
+
+        return IndexName(table, columns, "_uniq", create_unique_name)
+
+    def _delete_unique_sql(
+        self,
+        model,
+        name,
+        condition=None,
+        deferrable=None,
+        include=None,
+        opclasses=None,
+        expressions=None,
+        nulls_distinct=None,
+    ):
+        if not self._unique_supported(
+            condition=condition,
+            deferrable=deferrable,
+            include=include,
+            expressions=expressions,
+            nulls_distinct=nulls_distinct,
+        ):
+            return None
+        if condition or include or opclasses or expressions:
+            sql = self.sql_delete_index
+        else:
+            sql = self.sql_delete_unique
+        return self._delete_constraint_sql(sql, model, name)
+
+    def _check_sql(self, name, check):
+        return self.sql_constraint % {
+            "name": self.quote_name(name),
+            "constraint": self.sql_check_constraint % {"check": check},
+        }
+
+    def _create_check_sql(self, model, name, check):
+        if not self.connection.features.supports_table_check_constraints:
+            return None
+        return Statement(
+            self.sql_create_check,
+            table=Table(model._meta.db_table, self.quote_name),
+            name=self.quote_name(name),
+            check=check,
+        )
+
+    def _delete_check_sql(self, model, name):
+        if not self.connection.features.supports_table_check_constraints:
+            return None
+        return self._delete_constraint_sql(self.sql_delete_check, model, name)
+
+    def _delete_constraint_sql(self, template, model, name):
+        return Statement(
+            template,
+            table=Table(model._meta.db_table, self.quote_name),
+            name=self.quote_name(name),
+        )
+
+    def _constraint_names(
+        self,
+        model,
+        column_names=None,
+        unique=None,
+        primary_key=None,
+        index=None,
+        foreign_key=None,
+        check=None,
+        type_=None,
+        exclude=None,
+    ):
+        """Return all constraint names matching the columns and conditions."""
+        if column_names is not None:
+            column_names = [
+                (
+                    self.connection.introspection.identifier_converter(
+                        truncate_name(name, self.connection.ops.max_name_length())
+                    )
+                    if self.connection.features.truncates_names
+                    else self.connection.introspection.identifier_converter(name)
+                )
+                for name in column_names
+            ]
+        with self.connection.cursor() as cursor:
+            constraints = self.connection.introspection.get_constraints(
+                cursor, model._meta.db_table
+            )
+        result = []
+        for name, infodict in constraints.items():
+            if column_names is None or column_names == infodict["columns"]:
+                if unique is not None and infodict["unique"] != unique:
+                    continue
+                if primary_key is not None and infodict["primary_key"] != primary_key:
+                    continue
+                if index is not None and infodict["index"] != index:
+                    continue
+                if check is not None and infodict["check"] != check:
+                    continue
+                if foreign_key is not None and not infodict["foreign_key"]:
+                    continue
+                if type_ is not None and infodict["type"] != type_:
+                    continue
+                if not exclude or name not in exclude:
+                    result.append(name)
+        return result
+
+    def _delete_primary_key(self, model, strict=False):
+        constraint_names = self._constraint_names(model, primary_key=True)
+        if strict and len(constraint_names) != 1:
+            raise ValueError(
+                "Found wrong number (%s) of PK constraints for %s"
+                % (
+                    len(constraint_names),
+                    model._meta.db_table,
+                )
+            )
+        for constraint_name in constraint_names:
+            self.execute(self._delete_primary_key_sql(model, constraint_name))
+
+    def _create_primary_key_sql(self, model, field):
+        return Statement(
+            self.sql_create_pk,
+            table=Table(model._meta.db_table, self.quote_name),
+            name=self.quote_name(
+                self._create_index_name(
+                    model._meta.db_table, [field.column], suffix="_pk"
+                )
+            ),
+            columns=Columns(model._meta.db_table, [field.column], self.quote_name),
+        )
+
+    def _delete_primary_key_sql(self, model, name):
+        return self._delete_constraint_sql(self.sql_delete_pk, model, name)
+
+    def _collate_sql(self, collation, old_collation=None, table_name=None):
+        return "COLLATE " + self.quote_name(collation) if collation else ""
+
+    def remove_procedure(self, procedure_name, param_types=()):
+        sql = self.sql_delete_procedure % {
+            "procedure": self.quote_name(procedure_name),
+            "param_types": ",".join(param_types),
+        }
+        self.execute(sql)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/validation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/validation.py
new file mode 100644
index 00000000..d0e3e215
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/base/validation.py
@@ -0,0 +1,29 @@
+class BaseDatabaseValidation:
+    """Encapsulate backend-specific validation."""
+
+    def __init__(self, connection):
+        self.connection = connection
+
+    def check(self, **kwargs):
+        return []
+
+    def check_field(self, field, **kwargs):
+        errors = []
+        # Backends may implement a check_field_type() method.
+        if (
+            hasattr(self, "check_field_type")
+            and
+            # Ignore any related fields.
+            not getattr(field, "remote_field", None)
+        ):
+            # Ignore fields with unsupported features.
+            db_supports_all_required_features = all(
+                getattr(self.connection.features, feature, False)
+                for feature in field.model._meta.required_db_features
+            )
+            if db_supports_all_required_features:
+                field_type = field.db_type(self.connection)
+                # Ignore non-concrete fields.
+                if field_type is not None:
+                    errors.extend(self.check_field_type(field, field_type))
+        return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/ddl_references.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/ddl_references.py
new file mode 100644
index 00000000..75787ef8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/ddl_references.py
@@ -0,0 +1,255 @@
+"""
+Helpers to manipulate deferred DDL statements that might need to be adjusted or
+discarded within when executing a migration.
+"""
+
+from copy import deepcopy
+
+
+class Reference:
+    """Base class that defines the reference interface."""
+
+    def references_table(self, table):
+        """
+        Return whether or not this instance references the specified table.
+        """
+        return False
+
+    def references_column(self, table, column):
+        """
+        Return whether or not this instance references the specified column.
+        """
+        return False
+
+    def rename_table_references(self, old_table, new_table):
+        """
+        Rename all references to the old_name to the new_table.
+        """
+        pass
+
+    def rename_column_references(self, table, old_column, new_column):
+        """
+        Rename all references to the old_column to the new_column.
+        """
+        pass
+
+    def __repr__(self):
+        return "<%s %r>" % (self.__class__.__name__, str(self))
+
+    def __str__(self):
+        raise NotImplementedError(
+            "Subclasses must define how they should be converted to string."
+        )
+
+
+class Table(Reference):
+    """Hold a reference to a table."""
+
+    def __init__(self, table, quote_name):
+        self.table = table
+        self.quote_name = quote_name
+
+    def references_table(self, table):
+        return self.table == table
+
+    def rename_table_references(self, old_table, new_table):
+        if self.table == old_table:
+            self.table = new_table
+
+    def __str__(self):
+        return self.quote_name(self.table)
+
+
+class TableColumns(Table):
+    """Base class for references to multiple columns of a table."""
+
+    def __init__(self, table, columns):
+        self.table = table
+        self.columns = columns
+
+    def references_column(self, table, column):
+        return self.table == table and column in self.columns
+
+    def rename_column_references(self, table, old_column, new_column):
+        if self.table == table:
+            for index, column in enumerate(self.columns):
+                if column == old_column:
+                    self.columns[index] = new_column
+
+
+class Columns(TableColumns):
+    """Hold a reference to one or many columns."""
+
+    def __init__(self, table, columns, quote_name, col_suffixes=()):
+        self.quote_name = quote_name
+        self.col_suffixes = col_suffixes
+        super().__init__(table, columns)
+
+    def __str__(self):
+        def col_str(column, idx):
+            col = self.quote_name(column)
+            try:
+                suffix = self.col_suffixes[idx]
+                if suffix:
+                    col = "{} {}".format(col, suffix)
+            except IndexError:
+                pass
+            return col
+
+        return ", ".join(
+            col_str(column, idx) for idx, column in enumerate(self.columns)
+        )
+
+
+class IndexName(TableColumns):
+    """Hold a reference to an index name."""
+
+    def __init__(self, table, columns, suffix, create_index_name):
+        self.suffix = suffix
+        self.create_index_name = create_index_name
+        super().__init__(table, columns)
+
+    def __str__(self):
+        return self.create_index_name(self.table, self.columns, self.suffix)
+
+
+class IndexColumns(Columns):
+    def __init__(self, table, columns, quote_name, col_suffixes=(), opclasses=()):
+        self.opclasses = opclasses
+        super().__init__(table, columns, quote_name, col_suffixes)
+
+    def __str__(self):
+        def col_str(column, idx):
+            # Index.__init__() guarantees that self.opclasses is the same
+            # length as self.columns.
+            col = "{} {}".format(self.quote_name(column), self.opclasses[idx])
+            try:
+                suffix = self.col_suffixes[idx]
+                if suffix:
+                    col = "{} {}".format(col, suffix)
+            except IndexError:
+                pass
+            return col
+
+        return ", ".join(
+            col_str(column, idx) for idx, column in enumerate(self.columns)
+        )
+
+
+class ForeignKeyName(TableColumns):
+    """Hold a reference to a foreign key name."""
+
+    def __init__(
+        self,
+        from_table,
+        from_columns,
+        to_table,
+        to_columns,
+        suffix_template,
+        create_fk_name,
+    ):
+        self.to_reference = TableColumns(to_table, to_columns)
+        self.suffix_template = suffix_template
+        self.create_fk_name = create_fk_name
+        super().__init__(
+            from_table,
+            from_columns,
+        )
+
+    def references_table(self, table):
+        return super().references_table(table) or self.to_reference.references_table(
+            table
+        )
+
+    def references_column(self, table, column):
+        return super().references_column(
+            table, column
+        ) or self.to_reference.references_column(table, column)
+
+    def rename_table_references(self, old_table, new_table):
+        super().rename_table_references(old_table, new_table)
+        self.to_reference.rename_table_references(old_table, new_table)
+
+    def rename_column_references(self, table, old_column, new_column):
+        super().rename_column_references(table, old_column, new_column)
+        self.to_reference.rename_column_references(table, old_column, new_column)
+
+    def __str__(self):
+        suffix = self.suffix_template % {
+            "to_table": self.to_reference.table,
+            "to_column": self.to_reference.columns[0],
+        }
+        return self.create_fk_name(self.table, self.columns, suffix)
+
+
+class Statement(Reference):
+    """
+    Statement template and formatting parameters container.
+
+    Allows keeping a reference to a statement without interpolating identifiers
+    that might have to be adjusted if they're referencing a table or column
+    that is removed
+    """
+
+    def __init__(self, template, **parts):
+        self.template = template
+        self.parts = parts
+
+    def references_table(self, table):
+        return any(
+            hasattr(part, "references_table") and part.references_table(table)
+            for part in self.parts.values()
+        )
+
+    def references_column(self, table, column):
+        return any(
+            hasattr(part, "references_column") and part.references_column(table, column)
+            for part in self.parts.values()
+        )
+
+    def rename_table_references(self, old_table, new_table):
+        for part in self.parts.values():
+            if hasattr(part, "rename_table_references"):
+                part.rename_table_references(old_table, new_table)
+
+    def rename_column_references(self, table, old_column, new_column):
+        for part in self.parts.values():
+            if hasattr(part, "rename_column_references"):
+                part.rename_column_references(table, old_column, new_column)
+
+    def __str__(self):
+        return self.template % self.parts
+
+
+class Expressions(TableColumns):
+    def __init__(self, table, expressions, compiler, quote_value):
+        self.compiler = compiler
+        self.expressions = expressions
+        self.quote_value = quote_value
+        columns = [
+            col.target.column
+            for col in self.compiler.query._gen_cols([self.expressions])
+        ]
+        super().__init__(table, columns)
+
+    def rename_table_references(self, old_table, new_table):
+        if self.table != old_table:
+            return
+        self.expressions = self.expressions.relabeled_clone({old_table: new_table})
+        super().rename_table_references(old_table, new_table)
+
+    def rename_column_references(self, table, old_column, new_column):
+        if self.table != table:
+            return
+        expressions = deepcopy(self.expressions)
+        self.columns = []
+        for col in self.compiler.query._gen_cols([expressions]):
+            if col.target.column == old_column:
+                col.target.column = new_column
+            self.columns.append(col.target.column)
+        self.expressions = expressions
+
+    def __str__(self):
+        sql, params = self.compiler.compile(self.expressions)
+        params = map(self.quote_value, params)
+        return sql % tuple(params)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/dummy/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/dummy/base.py
new file mode 100644
index 00000000..36c6480a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/dummy/base.py
@@ -0,0 +1,74 @@
+"""
+Dummy database backend for Django.
+
+Django uses this if the database ENGINE setting is empty (None or empty string).
+
+Each of these API functions, except connection.close(), raise
+ImproperlyConfigured.
+"""
+
+from django.core.exceptions import ImproperlyConfigured
+from django.db.backends.base.base import BaseDatabaseWrapper
+from django.db.backends.base.client import BaseDatabaseClient
+from django.db.backends.base.creation import BaseDatabaseCreation
+from django.db.backends.base.introspection import BaseDatabaseIntrospection
+from django.db.backends.base.operations import BaseDatabaseOperations
+from django.db.backends.dummy.features import DummyDatabaseFeatures
+
+
+def complain(*args, **kwargs):
+    raise ImproperlyConfigured(
+        "settings.DATABASES is improperly configured. "
+        "Please supply the ENGINE value. Check "
+        "settings documentation for more details."
+    )
+
+
+def ignore(*args, **kwargs):
+    pass
+
+
+class DatabaseOperations(BaseDatabaseOperations):
+    quote_name = complain
+
+
+class DatabaseClient(BaseDatabaseClient):
+    runshell = complain
+
+
+class DatabaseCreation(BaseDatabaseCreation):
+    create_test_db = ignore
+    destroy_test_db = ignore
+
+
+class DatabaseIntrospection(BaseDatabaseIntrospection):
+    get_table_list = complain
+    get_table_description = complain
+    get_relations = complain
+    get_indexes = complain
+
+
+class DatabaseWrapper(BaseDatabaseWrapper):
+    operators = {}
+    # Override the base class implementations with null
+    # implementations. Anything that tries to actually
+    # do something raises complain; anything that tries
+    # to rollback or undo something raises ignore.
+    _cursor = complain
+    ensure_connection = complain
+    _commit = complain
+    _rollback = ignore
+    _close = ignore
+    _savepoint = ignore
+    _savepoint_commit = complain
+    _savepoint_rollback = ignore
+    _set_autocommit = complain
+    # Classes instantiated in __init__().
+    client_class = DatabaseClient
+    creation_class = DatabaseCreation
+    features_class = DummyDatabaseFeatures
+    introspection_class = DatabaseIntrospection
+    ops_class = DatabaseOperations
+
+    def is_usable(self):
+        return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/dummy/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/dummy/features.py
new file mode 100644
index 00000000..ac917319
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/dummy/features.py
@@ -0,0 +1,6 @@
+from django.db.backends.base.features import BaseDatabaseFeatures
+
+
+class DummyDatabaseFeatures(BaseDatabaseFeatures):
+    supports_transactions = False
+    uses_savepoints = False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/base.py
new file mode 100644
index 00000000..3349497e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/base.py
@@ -0,0 +1,453 @@
+"""
+MySQL database backend for Django.
+
+Requires mysqlclient: https://pypi.org/project/mysqlclient/
+"""
+
+from django.core.exceptions import ImproperlyConfigured
+from django.db import IntegrityError
+from django.db.backends import utils as backend_utils
+from django.db.backends.base.base import BaseDatabaseWrapper
+from django.utils.asyncio import async_unsafe
+from django.utils.functional import cached_property
+from django.utils.regex_helper import _lazy_re_compile
+
+try:
+    import MySQLdb as Database
+except ImportError as err:
+    raise ImproperlyConfigured(
+        "Error loading MySQLdb module.\nDid you install mysqlclient?"
+    ) from err
+
+from MySQLdb.constants import CLIENT, FIELD_TYPE
+from MySQLdb.converters import conversions
+
+# Some of these import MySQLdb, so import them after checking if it's installed.
+from .client import DatabaseClient
+from .creation import DatabaseCreation
+from .features import DatabaseFeatures
+from .introspection import DatabaseIntrospection
+from .operations import DatabaseOperations
+from .schema import DatabaseSchemaEditor
+from .validation import DatabaseValidation
+
+version = Database.version_info
+if version < (1, 4, 3):
+    raise ImproperlyConfigured(
+        "mysqlclient 1.4.3 or newer is required; you have %s." % Database.__version__
+    )
+
+
+# MySQLdb returns TIME columns as timedelta -- they are more like timedelta in
+# terms of actual behavior as they are signed and include days -- and Django
+# expects time.
+django_conversions = {
+    **conversions,
+    **{FIELD_TYPE.TIME: backend_utils.typecast_time},
+}
+
+# This should match the numerical portion of the version numbers (we can treat
+# versions like 5.0.24 and 5.0.24a as the same).
+server_version_re = _lazy_re_compile(r"(\d{1,2})\.(\d{1,2})\.(\d{1,2})")
+
+
+class CursorWrapper:
+    """
+    A thin wrapper around MySQLdb's normal cursor class that catches particular
+    exception instances and reraises them with the correct types.
+
+    Implemented as a wrapper, rather than a subclass, so that it isn't stuck
+    to the particular underlying representation returned by Connection.cursor().
+    """
+
+    codes_for_integrityerror = (
+        1048,  # Column cannot be null
+        1690,  # BIGINT UNSIGNED value is out of range
+        3819,  # CHECK constraint is violated
+        4025,  # CHECK constraint failed
+    )
+
+    def __init__(self, cursor):
+        self.cursor = cursor
+
+    def execute(self, query, args=None):
+        try:
+            # args is None means no string interpolation
+            return self.cursor.execute(query, args)
+        except Database.OperationalError as e:
+            # Map some error codes to IntegrityError, since they seem to be
+            # misclassified and Django would prefer the more logical place.
+            if e.args[0] in self.codes_for_integrityerror:
+                raise IntegrityError(*tuple(e.args))
+            raise
+
+    def executemany(self, query, args):
+        try:
+            return self.cursor.executemany(query, args)
+        except Database.OperationalError as e:
+            # Map some error codes to IntegrityError, since they seem to be
+            # misclassified and Django would prefer the more logical place.
+            if e.args[0] in self.codes_for_integrityerror:
+                raise IntegrityError(*tuple(e.args))
+            raise
+
+    def __getattr__(self, attr):
+        return getattr(self.cursor, attr)
+
+    def __iter__(self):
+        return iter(self.cursor)
+
+
+class DatabaseWrapper(BaseDatabaseWrapper):
+    vendor = "mysql"
+    # This dictionary maps Field objects to their associated MySQL column
+    # types, as strings. Column-type strings can contain format strings; they'll
+    # be interpolated against the values of Field.__dict__ before being output.
+    # If a column type is set to None, it won't be included in the output.
+
+    _data_types = {
+        "AutoField": "integer AUTO_INCREMENT",
+        "BigAutoField": "bigint AUTO_INCREMENT",
+        "BinaryField": "longblob",
+        "BooleanField": "bool",
+        "CharField": "varchar(%(max_length)s)",
+        "DateField": "date",
+        "DateTimeField": "datetime(6)",
+        "DecimalField": "numeric(%(max_digits)s, %(decimal_places)s)",
+        "DurationField": "bigint",
+        "FileField": "varchar(%(max_length)s)",
+        "FilePathField": "varchar(%(max_length)s)",
+        "FloatField": "double precision",
+        "IntegerField": "integer",
+        "BigIntegerField": "bigint",
+        "IPAddressField": "char(15)",
+        "GenericIPAddressField": "char(39)",
+        "JSONField": "json",
+        "OneToOneField": "integer",
+        "PositiveBigIntegerField": "bigint UNSIGNED",
+        "PositiveIntegerField": "integer UNSIGNED",
+        "PositiveSmallIntegerField": "smallint UNSIGNED",
+        "SlugField": "varchar(%(max_length)s)",
+        "SmallAutoField": "smallint AUTO_INCREMENT",
+        "SmallIntegerField": "smallint",
+        "TextField": "longtext",
+        "TimeField": "time(6)",
+        "UUIDField": "char(32)",
+    }
+
+    @cached_property
+    def data_types(self):
+        _data_types = self._data_types.copy()
+        if self.features.has_native_uuid_field:
+            _data_types["UUIDField"] = "uuid"
+        return _data_types
+
+    # For these data types:
+    # - MySQL < 8.0.13 doesn't accept default values and implicitly treats them
+    #   as nullable
+    # - all versions of MySQL and MariaDB don't support full width database
+    #   indexes
+    _limited_data_types = (
+        "tinyblob",
+        "blob",
+        "mediumblob",
+        "longblob",
+        "tinytext",
+        "text",
+        "mediumtext",
+        "longtext",
+        "json",
+    )
+
+    operators = {
+        "exact": "= %s",
+        "iexact": "LIKE %s",
+        "contains": "LIKE BINARY %s",
+        "icontains": "LIKE %s",
+        "gt": "> %s",
+        "gte": ">= %s",
+        "lt": "< %s",
+        "lte": "<= %s",
+        "startswith": "LIKE BINARY %s",
+        "endswith": "LIKE BINARY %s",
+        "istartswith": "LIKE %s",
+        "iendswith": "LIKE %s",
+    }
+
+    # The patterns below are used to generate SQL pattern lookup clauses when
+    # the right-hand side of the lookup isn't a raw string (it might be an expression
+    # or the result of a bilateral transformation).
+    # In those cases, special characters for LIKE operators (e.g. \, *, _) should be
+    # escaped on database side.
+    #
+    # Note: we use str.format() here for readability as '%' is used as a wildcard for
+    # the LIKE operator.
+    pattern_esc = r"REPLACE(REPLACE(REPLACE({}, '\\', '\\\\'), '%%', '\%%'), '_', '\_')"
+    pattern_ops = {
+        "contains": "LIKE BINARY CONCAT('%%', {}, '%%')",
+        "icontains": "LIKE CONCAT('%%', {}, '%%')",
+        "startswith": "LIKE BINARY CONCAT({}, '%%')",
+        "istartswith": "LIKE CONCAT({}, '%%')",
+        "endswith": "LIKE BINARY CONCAT('%%', {})",
+        "iendswith": "LIKE CONCAT('%%', {})",
+    }
+
+    isolation_levels = {
+        "read uncommitted",
+        "read committed",
+        "repeatable read",
+        "serializable",
+    }
+
+    Database = Database
+    SchemaEditorClass = DatabaseSchemaEditor
+    # Classes instantiated in __init__().
+    client_class = DatabaseClient
+    creation_class = DatabaseCreation
+    features_class = DatabaseFeatures
+    introspection_class = DatabaseIntrospection
+    ops_class = DatabaseOperations
+    validation_class = DatabaseValidation
+
+    def get_database_version(self):
+        return self.mysql_version
+
+    def get_connection_params(self):
+        kwargs = {
+            "conv": django_conversions,
+            "charset": "utf8",
+        }
+        settings_dict = self.settings_dict
+        if settings_dict["USER"]:
+            kwargs["user"] = settings_dict["USER"]
+        if settings_dict["NAME"]:
+            kwargs["database"] = settings_dict["NAME"]
+        if settings_dict["PASSWORD"]:
+            kwargs["password"] = settings_dict["PASSWORD"]
+        if settings_dict["HOST"].startswith("/"):
+            kwargs["unix_socket"] = settings_dict["HOST"]
+        elif settings_dict["HOST"]:
+            kwargs["host"] = settings_dict["HOST"]
+        if settings_dict["PORT"]:
+            kwargs["port"] = int(settings_dict["PORT"])
+        # We need the number of potentially affected rows after an
+        # "UPDATE", not the number of changed rows.
+        kwargs["client_flag"] = CLIENT.FOUND_ROWS
+        # Validate the transaction isolation level, if specified.
+        options = settings_dict["OPTIONS"].copy()
+        isolation_level = options.pop("isolation_level", "read committed")
+        if isolation_level:
+            isolation_level = isolation_level.lower()
+            if isolation_level not in self.isolation_levels:
+                raise ImproperlyConfigured(
+                    "Invalid transaction isolation level '%s' specified.\n"
+                    "Use one of %s, or None."
+                    % (
+                        isolation_level,
+                        ", ".join("'%s'" % s for s in sorted(self.isolation_levels)),
+                    )
+                )
+        self.isolation_level = isolation_level
+        kwargs.update(options)
+        return kwargs
+
+    @async_unsafe
+    def get_new_connection(self, conn_params):
+        connection = Database.connect(**conn_params)
+        # bytes encoder in mysqlclient doesn't work and was added only to
+        # prevent KeyErrors in Django < 2.0. We can remove this workaround when
+        # mysqlclient 2.1 becomes the minimal mysqlclient supported by Django.
+        # See https://github.com/PyMySQL/mysqlclient/issues/489
+        if connection.encoders.get(bytes) is bytes:
+            connection.encoders.pop(bytes)
+        return connection
+
+    def init_connection_state(self):
+        super().init_connection_state()
+        assignments = []
+        if self.features.is_sql_auto_is_null_enabled:
+            # SQL_AUTO_IS_NULL controls whether an AUTO_INCREMENT column on
+            # a recently inserted row will return when the field is tested
+            # for NULL. Disabling this brings this aspect of MySQL in line
+            # with SQL standards.
+            assignments.append("SET SQL_AUTO_IS_NULL = 0")
+
+        if self.isolation_level:
+            assignments.append(
+                "SET SESSION TRANSACTION ISOLATION LEVEL %s"
+                % self.isolation_level.upper()
+            )
+
+        if assignments:
+            with self.cursor() as cursor:
+                cursor.execute("; ".join(assignments))
+
+    @async_unsafe
+    def create_cursor(self, name=None):
+        cursor = self.connection.cursor()
+        return CursorWrapper(cursor)
+
+    def _rollback(self):
+        try:
+            BaseDatabaseWrapper._rollback(self)
+        except Database.NotSupportedError:
+            pass
+
+    def _set_autocommit(self, autocommit):
+        with self.wrap_database_errors:
+            self.connection.autocommit(autocommit)
+
+    def disable_constraint_checking(self):
+        """
+        Disable foreign key checks, primarily for use in adding rows with
+        forward references. Always return True to indicate constraint checks
+        need to be re-enabled.
+        """
+        with self.cursor() as cursor:
+            cursor.execute("SET foreign_key_checks=0")
+        return True
+
+    def enable_constraint_checking(self):
+        """
+        Re-enable foreign key checks after they have been disabled.
+        """
+        # Override needs_rollback in case constraint_checks_disabled is
+        # nested inside transaction.atomic.
+        self.needs_rollback, needs_rollback = False, self.needs_rollback
+        try:
+            with self.cursor() as cursor:
+                cursor.execute("SET foreign_key_checks=1")
+        finally:
+            self.needs_rollback = needs_rollback
+
+    def check_constraints(self, table_names=None):
+        """
+        Check each table name in `table_names` for rows with invalid foreign
+        key references. This method is intended to be used in conjunction with
+        `disable_constraint_checking()` and `enable_constraint_checking()`, to
+        determine if rows with invalid references were entered while constraint
+        checks were off.
+        """
+        with self.cursor() as cursor:
+            if table_names is None:
+                table_names = self.introspection.table_names(cursor)
+            for table_name in table_names:
+                primary_key_column_name = self.introspection.get_primary_key_column(
+                    cursor, table_name
+                )
+                if not primary_key_column_name:
+                    continue
+                relations = self.introspection.get_relations(cursor, table_name)
+                for column_name, (
+                    referenced_column_name,
+                    referenced_table_name,
+                ) in relations.items():
+                    cursor.execute(
+                        """
+                        SELECT REFERRING.`%s`, REFERRING.`%s` FROM `%s` as REFERRING
+                        LEFT JOIN `%s` as REFERRED
+                        ON (REFERRING.`%s` = REFERRED.`%s`)
+                        WHERE REFERRING.`%s` IS NOT NULL AND REFERRED.`%s` IS NULL
+                        """
+                        % (
+                            primary_key_column_name,
+                            column_name,
+                            table_name,
+                            referenced_table_name,
+                            column_name,
+                            referenced_column_name,
+                            column_name,
+                            referenced_column_name,
+                        )
+                    )
+                    for bad_row in cursor.fetchall():
+                        raise IntegrityError(
+                            "The row in table '%s' with primary key '%s' has an "
+                            "invalid foreign key: %s.%s contains a value '%s' that "
+                            "does not have a corresponding value in %s.%s."
+                            % (
+                                table_name,
+                                bad_row[0],
+                                table_name,
+                                column_name,
+                                bad_row[1],
+                                referenced_table_name,
+                                referenced_column_name,
+                            )
+                        )
+
+    def is_usable(self):
+        try:
+            self.connection.ping()
+        except Database.Error:
+            return False
+        else:
+            return True
+
+    @cached_property
+    def display_name(self):
+        return "MariaDB" if self.mysql_is_mariadb else "MySQL"
+
+    @cached_property
+    def data_type_check_constraints(self):
+        if self.features.supports_column_check_constraints:
+            check_constraints = {
+                "PositiveBigIntegerField": "`%(column)s` >= 0",
+                "PositiveIntegerField": "`%(column)s` >= 0",
+                "PositiveSmallIntegerField": "`%(column)s` >= 0",
+            }
+            if self.mysql_is_mariadb and self.mysql_version < (10, 4, 3):
+                # MariaDB < 10.4.3 doesn't automatically use the JSON_VALID as
+                # a check constraint.
+                check_constraints["JSONField"] = "JSON_VALID(`%(column)s`)"
+            return check_constraints
+        return {}
+
+    @cached_property
+    def mysql_server_data(self):
+        with self.temporary_connection() as cursor:
+            # Select some server variables and test if the time zone
+            # definitions are installed. CONVERT_TZ returns NULL if 'UTC'
+            # timezone isn't loaded into the mysql.time_zone table.
+            cursor.execute(
+                """
+                SELECT VERSION(),
+                       @@sql_mode,
+                       @@default_storage_engine,
+                       @@sql_auto_is_null,
+                       @@lower_case_table_names,
+                       CONVERT_TZ('2001-01-01 01:00:00', 'UTC', 'UTC') IS NOT NULL
+            """
+            )
+            row = cursor.fetchone()
+        return {
+            "version": row[0],
+            "sql_mode": row[1],
+            "default_storage_engine": row[2],
+            "sql_auto_is_null": bool(row[3]),
+            "lower_case_table_names": bool(row[4]),
+            "has_zoneinfo_database": bool(row[5]),
+        }
+
+    @cached_property
+    def mysql_server_info(self):
+        return self.mysql_server_data["version"]
+
+    @cached_property
+    def mysql_version(self):
+        match = server_version_re.match(self.mysql_server_info)
+        if not match:
+            raise Exception(
+                "Unable to determine MySQL version from version string %r"
+                % self.mysql_server_info
+            )
+        return tuple(int(x) for x in match.groups())
+
+    @cached_property
+    def mysql_is_mariadb(self):
+        return "mariadb" in self.mysql_server_info.lower()
+
+    @cached_property
+    def sql_mode(self):
+        sql_mode = self.mysql_server_data["sql_mode"]
+        return set(sql_mode.split(",") if sql_mode else ())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/client.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/client.py
new file mode 100644
index 00000000..6aa11b2e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/client.py
@@ -0,0 +1,72 @@
+import signal
+
+from django.db.backends.base.client import BaseDatabaseClient
+
+
+class DatabaseClient(BaseDatabaseClient):
+    executable_name = "mysql"
+
+    @classmethod
+    def settings_to_cmd_args_env(cls, settings_dict, parameters):
+        args = [cls.executable_name]
+        env = None
+        database = settings_dict["OPTIONS"].get(
+            "database",
+            settings_dict["OPTIONS"].get("db", settings_dict["NAME"]),
+        )
+        user = settings_dict["OPTIONS"].get("user", settings_dict["USER"])
+        password = settings_dict["OPTIONS"].get(
+            "password",
+            settings_dict["OPTIONS"].get("passwd", settings_dict["PASSWORD"]),
+        )
+        host = settings_dict["OPTIONS"].get("host", settings_dict["HOST"])
+        port = settings_dict["OPTIONS"].get("port", settings_dict["PORT"])
+        server_ca = settings_dict["OPTIONS"].get("ssl", {}).get("ca")
+        client_cert = settings_dict["OPTIONS"].get("ssl", {}).get("cert")
+        client_key = settings_dict["OPTIONS"].get("ssl", {}).get("key")
+        defaults_file = settings_dict["OPTIONS"].get("read_default_file")
+        charset = settings_dict["OPTIONS"].get("charset")
+        # Seems to be no good way to set sql_mode with CLI.
+
+        if defaults_file:
+            args += ["--defaults-file=%s" % defaults_file]
+        if user:
+            args += ["--user=%s" % user]
+        if password:
+            # The MYSQL_PWD environment variable usage is discouraged per
+            # MySQL's documentation due to the possibility of exposure through
+            # `ps` on old Unix flavors but --password suffers from the same
+            # flaw on even more systems. Usage of an environment variable also
+            # prevents password exposure if the subprocess.run(check=True) call
+            # raises a CalledProcessError since the string representation of
+            # the latter includes all of the provided `args`.
+            env = {"MYSQL_PWD": password}
+        if host:
+            if "/" in host:
+                args += ["--socket=%s" % host]
+            else:
+                args += ["--host=%s" % host]
+        if port:
+            args += ["--port=%s" % port]
+        if server_ca:
+            args += ["--ssl-ca=%s" % server_ca]
+        if client_cert:
+            args += ["--ssl-cert=%s" % client_cert]
+        if client_key:
+            args += ["--ssl-key=%s" % client_key]
+        if charset:
+            args += ["--default-character-set=%s" % charset]
+        if database:
+            args += [database]
+        args.extend(parameters)
+        return args, env
+
+    def runshell(self, parameters):
+        sigint_handler = signal.getsignal(signal.SIGINT)
+        try:
+            # Allow SIGINT to pass to mysql to abort queries.
+            signal.signal(signal.SIGINT, signal.SIG_IGN)
+            super().runshell(parameters)
+        finally:
+            # Restore the original SIGINT handler.
+            signal.signal(signal.SIGINT, sigint_handler)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/compiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/compiler.py
new file mode 100644
index 00000000..2ec6bea2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/compiler.py
@@ -0,0 +1,84 @@
+from django.core.exceptions import FieldError, FullResultSet
+from django.db.models.expressions import Col
+from django.db.models.sql import compiler
+
+
+class SQLCompiler(compiler.SQLCompiler):
+    def as_subquery_condition(self, alias, columns, compiler):
+        qn = compiler.quote_name_unless_alias
+        qn2 = self.connection.ops.quote_name
+        sql, params = self.as_sql()
+        return (
+            "(%s) IN (%s)"
+            % (
+                ", ".join("%s.%s" % (qn(alias), qn2(column)) for column in columns),
+                sql,
+            ),
+            params,
+        )
+
+
+class SQLInsertCompiler(compiler.SQLInsertCompiler, SQLCompiler):
+    pass
+
+
+class SQLDeleteCompiler(compiler.SQLDeleteCompiler, SQLCompiler):
+    def as_sql(self):
+        # Prefer the non-standard DELETE FROM syntax over the SQL generated by
+        # the SQLDeleteCompiler's default implementation when multiple tables
+        # are involved since MySQL/MariaDB will generate a more efficient query
+        # plan than when using a subquery.
+        where, having, qualify = self.query.where.split_having_qualify(
+            must_group_by=self.query.group_by is not None
+        )
+        if self.single_alias or having or qualify:
+            # DELETE FROM cannot be used when filtering against aggregates or
+            # window functions as it doesn't allow for GROUP BY/HAVING clauses
+            # and the subquery wrapping (necessary to emulate QUALIFY).
+            return super().as_sql()
+        result = [
+            "DELETE %s FROM"
+            % self.quote_name_unless_alias(self.query.get_initial_alias())
+        ]
+        from_sql, params = self.get_from_clause()
+        result.extend(from_sql)
+        try:
+            where_sql, where_params = self.compile(where)
+        except FullResultSet:
+            pass
+        else:
+            result.append("WHERE %s" % where_sql)
+            params.extend(where_params)
+        return " ".join(result), tuple(params)
+
+
+class SQLUpdateCompiler(compiler.SQLUpdateCompiler, SQLCompiler):
+    def as_sql(self):
+        update_query, update_params = super().as_sql()
+        # MySQL and MariaDB support UPDATE ... ORDER BY syntax.
+        if self.query.order_by:
+            order_by_sql = []
+            order_by_params = []
+            db_table = self.query.get_meta().db_table
+            try:
+                for resolved, (sql, params, _) in self.get_order_by():
+                    if (
+                        isinstance(resolved.expression, Col)
+                        and resolved.expression.alias != db_table
+                    ):
+                        # Ignore ordering if it contains joined fields, because
+                        # they cannot be used in the ORDER BY clause.
+                        raise FieldError
+                    order_by_sql.append(sql)
+                    order_by_params.extend(params)
+                update_query += " ORDER BY " + ", ".join(order_by_sql)
+                update_params += tuple(order_by_params)
+            except FieldError:
+                # Ignore ordering if it contains annotations, because they're
+                # removed in .update() and cannot be resolved.
+                pass
+        return update_query, update_params
+
+
+class SQLAggregateCompiler(compiler.SQLAggregateCompiler, SQLCompiler):
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/creation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/creation.py
new file mode 100644
index 00000000..a060f41d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/creation.py
@@ -0,0 +1,87 @@
+import os
+import subprocess
+import sys
+
+from django.db.backends.base.creation import BaseDatabaseCreation
+
+from .client import DatabaseClient
+
+
+class DatabaseCreation(BaseDatabaseCreation):
+    def sql_table_creation_suffix(self):
+        suffix = []
+        test_settings = self.connection.settings_dict["TEST"]
+        if test_settings["CHARSET"]:
+            suffix.append("CHARACTER SET %s" % test_settings["CHARSET"])
+        if test_settings["COLLATION"]:
+            suffix.append("COLLATE %s" % test_settings["COLLATION"])
+        return " ".join(suffix)
+
+    def _execute_create_test_db(self, cursor, parameters, keepdb=False):
+        try:
+            super()._execute_create_test_db(cursor, parameters, keepdb)
+        except Exception as e:
+            if len(e.args) < 1 or e.args[0] != 1007:
+                # All errors except "database exists" (1007) cancel tests.
+                self.log("Got an error creating the test database: %s" % e)
+                sys.exit(2)
+            else:
+                raise
+
+    def _clone_test_db(self, suffix, verbosity, keepdb=False):
+        source_database_name = self.connection.settings_dict["NAME"]
+        target_database_name = self.get_test_db_clone_settings(suffix)["NAME"]
+        test_db_params = {
+            "dbname": self.connection.ops.quote_name(target_database_name),
+            "suffix": self.sql_table_creation_suffix(),
+        }
+        with self._nodb_cursor() as cursor:
+            try:
+                self._execute_create_test_db(cursor, test_db_params, keepdb)
+            except Exception:
+                if keepdb:
+                    # If the database should be kept, skip everything else.
+                    return
+                try:
+                    if verbosity >= 1:
+                        self.log(
+                            "Destroying old test database for alias %s..."
+                            % (
+                                self._get_database_display_str(
+                                    verbosity, target_database_name
+                                ),
+                            )
+                        )
+                    cursor.execute("DROP DATABASE %(dbname)s" % test_db_params)
+                    self._execute_create_test_db(cursor, test_db_params, keepdb)
+                except Exception as e:
+                    self.log("Got an error recreating the test database: %s" % e)
+                    sys.exit(2)
+        self._clone_db(source_database_name, target_database_name)
+
+    def _clone_db(self, source_database_name, target_database_name):
+        cmd_args, cmd_env = DatabaseClient.settings_to_cmd_args_env(
+            self.connection.settings_dict, []
+        )
+        dump_cmd = [
+            "mysqldump",
+            *cmd_args[1:-1],
+            "--routines",
+            "--events",
+            source_database_name,
+        ]
+        dump_env = load_env = {**os.environ, **cmd_env} if cmd_env else None
+        load_cmd = cmd_args
+        load_cmd[-1] = target_database_name
+
+        with subprocess.Popen(
+            dump_cmd, stdout=subprocess.PIPE, env=dump_env
+        ) as dump_proc:
+            with subprocess.Popen(
+                load_cmd,
+                stdin=dump_proc.stdout,
+                stdout=subprocess.DEVNULL,
+                env=load_env,
+            ):
+                # Allow dump_proc to receive a SIGPIPE if the load process exits.
+                dump_proc.stdout.close()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/features.py
new file mode 100644
index 00000000..3b4b6566
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/features.py
@@ -0,0 +1,357 @@
+import operator
+
+from django.db.backends.base.features import BaseDatabaseFeatures
+from django.utils.functional import cached_property
+
+
+class DatabaseFeatures(BaseDatabaseFeatures):
+    empty_fetchmany_value = ()
+    related_fields_match_type = True
+    # MySQL doesn't support sliced subqueries with IN/ALL/ANY/SOME.
+    allow_sliced_subqueries_with_in = False
+    has_select_for_update = True
+    has_select_for_update_nowait = True
+    supports_forward_references = False
+    supports_regex_backreferencing = False
+    supports_date_lookup_using_string = False
+    supports_timezones = False
+    requires_explicit_null_ordering_when_grouping = True
+    atomic_transactions = False
+    can_clone_databases = True
+    supports_comments = True
+    supports_comments_inline = True
+    supports_temporal_subtraction = True
+    supports_slicing_ordering_in_compound = True
+    supports_index_on_text_field = False
+    supports_over_clause = True
+    supports_frame_range_fixed_distance = True
+    supports_update_conflicts = True
+    delete_can_self_reference_subquery = False
+    create_test_procedure_without_params_sql = """
+        CREATE PROCEDURE test_procedure ()
+        BEGIN
+            DECLARE V_I INTEGER;
+            SET V_I = 1;
+        END;
+    """
+    create_test_procedure_with_int_param_sql = """
+        CREATE PROCEDURE test_procedure (P_I INTEGER)
+        BEGIN
+            DECLARE V_I INTEGER;
+            SET V_I = P_I;
+        END;
+    """
+    create_test_table_with_composite_primary_key = """
+        CREATE TABLE test_table_composite_pk (
+            column_1 INTEGER NOT NULL,
+            column_2 INTEGER NOT NULL,
+            PRIMARY KEY(column_1, column_2)
+        )
+    """
+    # Neither MySQL nor MariaDB support partial indexes.
+    supports_partial_indexes = False
+    # COLLATE must be wrapped in parentheses because MySQL treats COLLATE as an
+    # indexed expression.
+    collate_as_index_expression = True
+    insert_test_table_with_defaults = "INSERT INTO {} () VALUES ()"
+
+    supports_order_by_nulls_modifier = False
+    order_by_nulls_first = True
+    supports_logical_xor = True
+
+    supports_stored_generated_columns = True
+    supports_virtual_generated_columns = True
+
+    @cached_property
+    def minimum_database_version(self):
+        if self.connection.mysql_is_mariadb:
+            return (10, 4)
+        else:
+            return (8, 0, 11)
+
+    @cached_property
+    def test_collations(self):
+        charset = "utf8"
+        if (
+            self.connection.mysql_is_mariadb
+            and self.connection.mysql_version >= (10, 6)
+        ) or (
+            not self.connection.mysql_is_mariadb
+            and self.connection.mysql_version >= (8, 0, 30)
+        ):
+            # utf8 is an alias for utf8mb3 in MariaDB 10.6+ and MySQL 8.0.30+.
+            charset = "utf8mb3"
+        return {
+            "ci": f"{charset}_general_ci",
+            "non_default": f"{charset}_esperanto_ci",
+            "swedish_ci": f"{charset}_swedish_ci",
+            "virtual": f"{charset}_esperanto_ci",
+        }
+
+    test_now_utc_template = "UTC_TIMESTAMP(6)"
+
+    @cached_property
+    def django_test_skips(self):
+        skips = {
+            "This doesn't work on MySQL.": {
+                "db_functions.comparison.test_greatest.GreatestTests."
+                "test_coalesce_workaround",
+                "db_functions.comparison.test_least.LeastTests."
+                "test_coalesce_workaround",
+            },
+            "Running on MySQL requires utf8mb4 encoding (#18392).": {
+                "model_fields.test_textfield.TextFieldTests.test_emoji",
+                "model_fields.test_charfield.TestCharField.test_emoji",
+            },
+            "MySQL doesn't support functional indexes on a function that "
+            "returns JSON": {
+                "schema.tests.SchemaTests.test_func_index_json_key_transform",
+            },
+            "MySQL supports multiplying and dividing DurationFields by a "
+            "scalar value but it's not implemented (#25287).": {
+                "expressions.tests.FTimeDeltaTests.test_durationfield_multiply_divide",
+            },
+            "UPDATE ... ORDER BY syntax on MySQL/MariaDB does not support ordering by"
+            "related fields.": {
+                "update.tests.AdvancedTests."
+                "test_update_ordered_by_inline_m2m_annotation",
+                "update.tests.AdvancedTests.test_update_ordered_by_m2m_annotation",
+                "update.tests.AdvancedTests.test_update_ordered_by_m2m_annotation_desc",
+            },
+        }
+        if self.connection.mysql_is_mariadb and (
+            10,
+            4,
+            3,
+        ) < self.connection.mysql_version < (10, 5, 2):
+            skips.update(
+                {
+                    "https://jira.mariadb.org/browse/MDEV-19598": {
+                        "schema.tests.SchemaTests."
+                        "test_alter_not_unique_field_to_primary_key",
+                    },
+                }
+            )
+        if self.connection.mysql_is_mariadb and (
+            10,
+            4,
+            12,
+        ) < self.connection.mysql_version < (10, 5):
+            skips.update(
+                {
+                    "https://jira.mariadb.org/browse/MDEV-22775": {
+                        "schema.tests.SchemaTests."
+                        "test_alter_pk_with_self_referential_field",
+                    },
+                }
+            )
+        if not self.supports_explain_analyze:
+            skips.update(
+                {
+                    "MariaDB and MySQL >= 8.0.18 specific.": {
+                        "queries.test_explain.ExplainTests.test_mysql_analyze",
+                    },
+                }
+            )
+        if "ONLY_FULL_GROUP_BY" in self.connection.sql_mode:
+            skips.update(
+                {
+                    "GROUP BY cannot contain nonaggregated column when "
+                    "ONLY_FULL_GROUP_BY mode is enabled on MySQL, see #34262.": {
+                        "aggregation.tests.AggregateTestCase."
+                        "test_group_by_nested_expression_with_params",
+                    },
+                }
+            )
+        if self.connection.mysql_version < (8, 0, 31):
+            skips.update(
+                {
+                    "Nesting of UNIONs at the right-hand side is not supported on "
+                    "MySQL < 8.0.31": {
+                        "queries.test_qs_combinators.QuerySetSetOperationTests."
+                        "test_union_nested"
+                    },
+                }
+            )
+        if not self.connection.mysql_is_mariadb:
+            skips.update(
+                {
+                    "MySQL doesn't allow renaming columns referenced by generated "
+                    "columns": {
+                        "migrations.test_operations.OperationTests."
+                        "test_invalid_generated_field_changes_on_rename_stored",
+                        "migrations.test_operations.OperationTests."
+                        "test_invalid_generated_field_changes_on_rename_virtual",
+                    },
+                }
+            )
+        return skips
+
+    @cached_property
+    def _mysql_storage_engine(self):
+        "Internal method used in Django tests. Don't rely on this from your code"
+        return self.connection.mysql_server_data["default_storage_engine"]
+
+    @cached_property
+    def allows_auto_pk_0(self):
+        """
+        Autoincrement primary key can be set to 0 if it doesn't generate new
+        autoincrement values.
+        """
+        return "NO_AUTO_VALUE_ON_ZERO" in self.connection.sql_mode
+
+    @cached_property
+    def update_can_self_select(self):
+        return self.connection.mysql_is_mariadb
+
+    @cached_property
+    def can_introspect_foreign_keys(self):
+        "Confirm support for introspected foreign keys"
+        return self._mysql_storage_engine != "MyISAM"
+
+    @cached_property
+    def introspected_field_types(self):
+        return {
+            **super().introspected_field_types,
+            "BinaryField": "TextField",
+            "BooleanField": "IntegerField",
+            "DurationField": "BigIntegerField",
+            "GenericIPAddressField": "CharField",
+        }
+
+    @cached_property
+    def can_return_columns_from_insert(self):
+        return self.connection.mysql_is_mariadb and self.connection.mysql_version >= (
+            10,
+            5,
+            0,
+        )
+
+    can_return_rows_from_bulk_insert = property(
+        operator.attrgetter("can_return_columns_from_insert")
+    )
+
+    @cached_property
+    def has_zoneinfo_database(self):
+        return self.connection.mysql_server_data["has_zoneinfo_database"]
+
+    @cached_property
+    def is_sql_auto_is_null_enabled(self):
+        return self.connection.mysql_server_data["sql_auto_is_null"]
+
+    @cached_property
+    def supports_column_check_constraints(self):
+        if self.connection.mysql_is_mariadb:
+            return True
+        return self.connection.mysql_version >= (8, 0, 16)
+
+    supports_table_check_constraints = property(
+        operator.attrgetter("supports_column_check_constraints")
+    )
+
+    @cached_property
+    def can_introspect_check_constraints(self):
+        if self.connection.mysql_is_mariadb:
+            return True
+        return self.connection.mysql_version >= (8, 0, 16)
+
+    @cached_property
+    def has_select_for_update_skip_locked(self):
+        if self.connection.mysql_is_mariadb:
+            return self.connection.mysql_version >= (10, 6)
+        return True
+
+    @cached_property
+    def has_select_for_update_of(self):
+        return not self.connection.mysql_is_mariadb
+
+    @cached_property
+    def supports_explain_analyze(self):
+        return self.connection.mysql_is_mariadb or self.connection.mysql_version >= (
+            8,
+            0,
+            18,
+        )
+
+    @cached_property
+    def supported_explain_formats(self):
+        # Alias MySQL's TRADITIONAL to TEXT for consistency with other
+        # backends.
+        formats = {"JSON", "TEXT", "TRADITIONAL"}
+        if not self.connection.mysql_is_mariadb and self.connection.mysql_version >= (
+            8,
+            0,
+            16,
+        ):
+            formats.add("TREE")
+        return formats
+
+    @cached_property
+    def supports_transactions(self):
+        """
+        All storage engines except MyISAM support transactions.
+        """
+        return self._mysql_storage_engine != "MyISAM"
+
+    @cached_property
+    def ignores_table_name_case(self):
+        return self.connection.mysql_server_data["lower_case_table_names"]
+
+    @cached_property
+    def supports_default_in_lead_lag(self):
+        # To be added in https://jira.mariadb.org/browse/MDEV-12981.
+        return not self.connection.mysql_is_mariadb
+
+    @cached_property
+    def can_introspect_json_field(self):
+        if self.connection.mysql_is_mariadb:
+            return self.can_introspect_check_constraints
+        return True
+
+    @cached_property
+    def supports_index_column_ordering(self):
+        if self._mysql_storage_engine != "InnoDB":
+            return False
+        if self.connection.mysql_is_mariadb:
+            return self.connection.mysql_version >= (10, 8)
+        return True
+
+    @cached_property
+    def supports_expression_indexes(self):
+        return (
+            not self.connection.mysql_is_mariadb
+            and self._mysql_storage_engine != "MyISAM"
+            and self.connection.mysql_version >= (8, 0, 13)
+        )
+
+    @cached_property
+    def supports_select_intersection(self):
+        is_mariadb = self.connection.mysql_is_mariadb
+        return is_mariadb or self.connection.mysql_version >= (8, 0, 31)
+
+    supports_select_difference = property(
+        operator.attrgetter("supports_select_intersection")
+    )
+
+    @cached_property
+    def can_rename_index(self):
+        if self.connection.mysql_is_mariadb:
+            return self.connection.mysql_version >= (10, 5, 2)
+        return True
+
+    @cached_property
+    def supports_expression_defaults(self):
+        if self.connection.mysql_is_mariadb:
+            return True
+        return self.connection.mysql_version >= (8, 0, 13)
+
+    @cached_property
+    def has_native_uuid_field(self):
+        is_mariadb = self.connection.mysql_is_mariadb
+        return is_mariadb and self.connection.mysql_version >= (10, 7)
+
+    @cached_property
+    def allows_group_by_selected_pks(self):
+        if self.connection.mysql_is_mariadb:
+            return "ONLY_FULL_GROUP_BY" not in self.connection.sql_mode
+        return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/introspection.py
new file mode 100644
index 00000000..ea1d0aa1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/introspection.py
@@ -0,0 +1,358 @@
+from collections import namedtuple
+
+import sqlparse
+from MySQLdb.constants import FIELD_TYPE
+
+from django.db.backends.base.introspection import BaseDatabaseIntrospection
+from django.db.backends.base.introspection import FieldInfo as BaseFieldInfo
+from django.db.backends.base.introspection import TableInfo as BaseTableInfo
+from django.db.models import Index
+from django.utils.datastructures import OrderedSet
+
+FieldInfo = namedtuple(
+    "FieldInfo",
+    BaseFieldInfo._fields
+    + ("extra", "is_unsigned", "has_json_constraint", "comment", "data_type"),
+)
+InfoLine = namedtuple(
+    "InfoLine",
+    "col_name data_type max_len num_prec num_scale extra column_default "
+    "collation is_unsigned comment",
+)
+TableInfo = namedtuple("TableInfo", BaseTableInfo._fields + ("comment",))
+
+
+class DatabaseIntrospection(BaseDatabaseIntrospection):
+    data_types_reverse = {
+        FIELD_TYPE.BLOB: "TextField",
+        FIELD_TYPE.CHAR: "CharField",
+        FIELD_TYPE.DECIMAL: "DecimalField",
+        FIELD_TYPE.NEWDECIMAL: "DecimalField",
+        FIELD_TYPE.DATE: "DateField",
+        FIELD_TYPE.DATETIME: "DateTimeField",
+        FIELD_TYPE.DOUBLE: "FloatField",
+        FIELD_TYPE.FLOAT: "FloatField",
+        FIELD_TYPE.INT24: "IntegerField",
+        FIELD_TYPE.JSON: "JSONField",
+        FIELD_TYPE.LONG: "IntegerField",
+        FIELD_TYPE.LONGLONG: "BigIntegerField",
+        FIELD_TYPE.SHORT: "SmallIntegerField",
+        FIELD_TYPE.STRING: "CharField",
+        FIELD_TYPE.TIME: "TimeField",
+        FIELD_TYPE.TIMESTAMP: "DateTimeField",
+        FIELD_TYPE.TINY: "IntegerField",
+        FIELD_TYPE.TINY_BLOB: "TextField",
+        FIELD_TYPE.MEDIUM_BLOB: "TextField",
+        FIELD_TYPE.LONG_BLOB: "TextField",
+        FIELD_TYPE.VAR_STRING: "CharField",
+    }
+
+    def get_field_type(self, data_type, description):
+        field_type = super().get_field_type(data_type, description)
+        if "auto_increment" in description.extra:
+            if field_type == "IntegerField":
+                return "AutoField"
+            elif field_type == "BigIntegerField":
+                return "BigAutoField"
+            elif field_type == "SmallIntegerField":
+                return "SmallAutoField"
+        if description.is_unsigned:
+            if field_type == "BigIntegerField":
+                return "PositiveBigIntegerField"
+            elif field_type == "IntegerField":
+                return "PositiveIntegerField"
+            elif field_type == "SmallIntegerField":
+                return "PositiveSmallIntegerField"
+        if description.data_type.upper() == "UUID":
+            return "UUIDField"
+        # JSON data type is an alias for LONGTEXT in MariaDB, use check
+        # constraints clauses to introspect JSONField.
+        if description.has_json_constraint:
+            return "JSONField"
+        return field_type
+
+    def get_table_list(self, cursor):
+        """Return a list of table and view names in the current database."""
+        cursor.execute(
+            """
+            SELECT
+                table_name,
+                table_type,
+                table_comment
+            FROM information_schema.tables
+            WHERE table_schema = DATABASE()
+            """
+        )
+        return [
+            TableInfo(row[0], {"BASE TABLE": "t", "VIEW": "v"}.get(row[1]), row[2])
+            for row in cursor.fetchall()
+        ]
+
+    def get_table_description(self, cursor, table_name):
+        """
+        Return a description of the table with the DB-API cursor.description
+        interface."
+        """
+        json_constraints = {}
+        if (
+            self.connection.mysql_is_mariadb
+            and self.connection.features.can_introspect_json_field
+        ):
+            # JSON data type is an alias for LONGTEXT in MariaDB, select
+            # JSON_VALID() constraints to introspect JSONField.
+            cursor.execute(
+                """
+                SELECT c.constraint_name AS column_name
+                FROM information_schema.check_constraints AS c
+                WHERE
+                    c.table_name = %s AND
+                    LOWER(c.check_clause) =
+                        'json_valid(`' + LOWER(c.constraint_name) + '`)' AND
+                    c.constraint_schema = DATABASE()
+                """,
+                [table_name],
+            )
+            json_constraints = {row[0] for row in cursor.fetchall()}
+        # A default collation for the given table.
+        cursor.execute(
+            """
+            SELECT  table_collation
+            FROM    information_schema.tables
+            WHERE   table_schema = DATABASE()
+            AND     table_name = %s
+            """,
+            [table_name],
+        )
+        row = cursor.fetchone()
+        default_column_collation = row[0] if row else ""
+        # information_schema database gives more accurate results for some figures:
+        # - varchar length returned by cursor.description is an internal length,
+        #   not visible length (#5725)
+        # - precision and scale (for decimal fields) (#5014)
+        # - auto_increment is not available in cursor.description
+        cursor.execute(
+            """
+            SELECT
+                column_name, data_type, character_maximum_length,
+                numeric_precision, numeric_scale, extra, column_default,
+                CASE
+                    WHEN collation_name = %s THEN NULL
+                    ELSE collation_name
+                END AS collation_name,
+                CASE
+                    WHEN column_type LIKE '%% unsigned' THEN 1
+                    ELSE 0
+                END AS is_unsigned,
+                column_comment
+            FROM information_schema.columns
+            WHERE table_name = %s AND table_schema = DATABASE()
+            """,
+            [default_column_collation, table_name],
+        )
+        field_info = {line[0]: InfoLine(*line) for line in cursor.fetchall()}
+
+        cursor.execute(
+            "SELECT * FROM %s LIMIT 1" % self.connection.ops.quote_name(table_name)
+        )
+
+        def to_int(i):
+            return int(i) if i is not None else i
+
+        fields = []
+        for line in cursor.description:
+            info = field_info[line[0]]
+            fields.append(
+                FieldInfo(
+                    *line[:2],
+                    to_int(info.max_len) or line[2],
+                    to_int(info.max_len) or line[3],
+                    to_int(info.num_prec) or line[4],
+                    to_int(info.num_scale) or line[5],
+                    line[6],
+                    info.column_default,
+                    info.collation,
+                    info.extra,
+                    info.is_unsigned,
+                    line[0] in json_constraints,
+                    info.comment,
+                    info.data_type,
+                )
+            )
+        return fields
+
+    def get_sequences(self, cursor, table_name, table_fields=()):
+        for field_info in self.get_table_description(cursor, table_name):
+            if "auto_increment" in field_info.extra:
+                # MySQL allows only one auto-increment column per table.
+                return [{"table": table_name, "column": field_info.name}]
+        return []
+
+    def get_relations(self, cursor, table_name):
+        """
+        Return a dictionary of {field_name: (field_name_other_table, other_table)}
+        representing all foreign keys in the given table.
+        """
+        cursor.execute(
+            """
+            SELECT column_name, referenced_column_name, referenced_table_name
+            FROM information_schema.key_column_usage
+            WHERE table_name = %s
+                AND table_schema = DATABASE()
+                AND referenced_table_schema = DATABASE()
+                AND referenced_table_name IS NOT NULL
+                AND referenced_column_name IS NOT NULL
+            """,
+            [table_name],
+        )
+        return {
+            field_name: (other_field, other_table)
+            for field_name, other_field, other_table in cursor.fetchall()
+        }
+
+    def get_storage_engine(self, cursor, table_name):
+        """
+        Retrieve the storage engine for a given table. Return the default
+        storage engine if the table doesn't exist.
+        """
+        cursor.execute(
+            """
+            SELECT engine
+            FROM information_schema.tables
+            WHERE
+                table_name = %s AND
+                table_schema = DATABASE()
+            """,
+            [table_name],
+        )
+        result = cursor.fetchone()
+        if not result:
+            return self.connection.features._mysql_storage_engine
+        return result[0]
+
+    def _parse_constraint_columns(self, check_clause, columns):
+        check_columns = OrderedSet()
+        statement = sqlparse.parse(check_clause)[0]
+        tokens = (token for token in statement.flatten() if not token.is_whitespace)
+        for token in tokens:
+            if (
+                token.ttype == sqlparse.tokens.Name
+                and self.connection.ops.quote_name(token.value) == token.value
+                and token.value[1:-1] in columns
+            ):
+                check_columns.add(token.value[1:-1])
+        return check_columns
+
+    def get_constraints(self, cursor, table_name):
+        """
+        Retrieve any constraints or keys (unique, pk, fk, check, index) across
+        one or more columns.
+        """
+        constraints = {}
+        # Get the actual constraint names and columns
+        name_query = """
+            SELECT kc.`constraint_name`, kc.`column_name`,
+                kc.`referenced_table_name`, kc.`referenced_column_name`,
+                c.`constraint_type`
+            FROM
+                information_schema.key_column_usage AS kc,
+                information_schema.table_constraints AS c
+            WHERE
+                kc.table_schema = DATABASE() AND
+                (
+                    kc.referenced_table_schema = DATABASE() OR
+                    kc.referenced_table_schema IS NULL
+                ) AND
+                c.table_schema = kc.table_schema AND
+                c.constraint_name = kc.constraint_name AND
+                c.constraint_type != 'CHECK' AND
+                kc.table_name = %s
+            ORDER BY kc.`ordinal_position`
+        """
+        cursor.execute(name_query, [table_name])
+        for constraint, column, ref_table, ref_column, kind in cursor.fetchall():
+            if constraint not in constraints:
+                constraints[constraint] = {
+                    "columns": OrderedSet(),
+                    "primary_key": kind == "PRIMARY KEY",
+                    "unique": kind in {"PRIMARY KEY", "UNIQUE"},
+                    "index": False,
+                    "check": False,
+                    "foreign_key": (ref_table, ref_column) if ref_column else None,
+                }
+                if self.connection.features.supports_index_column_ordering:
+                    constraints[constraint]["orders"] = []
+            constraints[constraint]["columns"].add(column)
+        # Add check constraints.
+        if self.connection.features.can_introspect_check_constraints:
+            unnamed_constraints_index = 0
+            columns = {
+                info.name for info in self.get_table_description(cursor, table_name)
+            }
+            if self.connection.mysql_is_mariadb:
+                type_query = """
+                    SELECT c.constraint_name, c.check_clause
+                    FROM information_schema.check_constraints AS c
+                    WHERE
+                        c.constraint_schema = DATABASE() AND
+                        c.table_name = %s
+                """
+            else:
+                type_query = """
+                    SELECT cc.constraint_name, cc.check_clause
+                    FROM
+                        information_schema.check_constraints AS cc,
+                        information_schema.table_constraints AS tc
+                    WHERE
+                        cc.constraint_schema = DATABASE() AND
+                        tc.table_schema = cc.constraint_schema AND
+                        cc.constraint_name = tc.constraint_name AND
+                        tc.constraint_type = 'CHECK' AND
+                        tc.table_name = %s
+                """
+            cursor.execute(type_query, [table_name])
+            for constraint, check_clause in cursor.fetchall():
+                constraint_columns = self._parse_constraint_columns(
+                    check_clause, columns
+                )
+                # Ensure uniqueness of unnamed constraints. Unnamed unique
+                # and check columns constraints have the same name as
+                # a column.
+                if set(constraint_columns) == {constraint}:
+                    unnamed_constraints_index += 1
+                    constraint = "__unnamed_constraint_%s__" % unnamed_constraints_index
+                constraints[constraint] = {
+                    "columns": constraint_columns,
+                    "primary_key": False,
+                    "unique": False,
+                    "index": False,
+                    "check": True,
+                    "foreign_key": None,
+                }
+        # Now add in the indexes
+        cursor.execute(
+            "SHOW INDEX FROM %s" % self.connection.ops.quote_name(table_name)
+        )
+        for table, non_unique, index, colseq, column, order, type_ in [
+            x[:6] + (x[10],) for x in cursor.fetchall()
+        ]:
+            if index not in constraints:
+                constraints[index] = {
+                    "columns": OrderedSet(),
+                    "primary_key": False,
+                    "unique": not non_unique,
+                    "check": False,
+                    "foreign_key": None,
+                }
+                if self.connection.features.supports_index_column_ordering:
+                    constraints[index]["orders"] = []
+            constraints[index]["index"] = True
+            constraints[index]["type"] = (
+                Index.suffix if type_ == "BTREE" else type_.lower()
+            )
+            constraints[index]["columns"].add(column)
+            if self.connection.features.supports_index_column_ordering:
+                constraints[index]["orders"].append("DESC" if order == "D" else "ASC")
+        # Convert the sorted sets to lists
+        for constraint in constraints.values():
+            constraint["columns"] = list(constraint["columns"])
+        return constraints
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/operations.py
new file mode 100644
index 00000000..76ca8157
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/operations.py
@@ -0,0 +1,464 @@
+import uuid
+
+from django.conf import settings
+from django.db.backends.base.operations import BaseDatabaseOperations
+from django.db.backends.utils import split_tzname_delta
+from django.db.models import Exists, ExpressionWrapper, Lookup
+from django.db.models.constants import OnConflict
+from django.utils import timezone
+from django.utils.encoding import force_str
+from django.utils.regex_helper import _lazy_re_compile
+
+
+class DatabaseOperations(BaseDatabaseOperations):
+    compiler_module = "django.db.backends.mysql.compiler"
+
+    # MySQL stores positive fields as UNSIGNED ints.
+    integer_field_ranges = {
+        **BaseDatabaseOperations.integer_field_ranges,
+        "PositiveSmallIntegerField": (0, 65535),
+        "PositiveIntegerField": (0, 4294967295),
+        "PositiveBigIntegerField": (0, 18446744073709551615),
+    }
+    cast_data_types = {
+        "AutoField": "signed integer",
+        "BigAutoField": "signed integer",
+        "SmallAutoField": "signed integer",
+        "CharField": "char(%(max_length)s)",
+        "DecimalField": "decimal(%(max_digits)s, %(decimal_places)s)",
+        "TextField": "char",
+        "IntegerField": "signed integer",
+        "BigIntegerField": "signed integer",
+        "SmallIntegerField": "signed integer",
+        "PositiveBigIntegerField": "unsigned integer",
+        "PositiveIntegerField": "unsigned integer",
+        "PositiveSmallIntegerField": "unsigned integer",
+        "DurationField": "signed integer",
+    }
+    cast_char_field_without_max_length = "char"
+    explain_prefix = "EXPLAIN"
+
+    # EXTRACT format cannot be passed in parameters.
+    _extract_format_re = _lazy_re_compile(r"[A-Z_]+")
+
+    def date_extract_sql(self, lookup_type, sql, params):
+        # https://dev.mysql.com/doc/mysql/en/date-and-time-functions.html
+        if lookup_type == "week_day":
+            # DAYOFWEEK() returns an integer, 1-7, Sunday=1.
+            return f"DAYOFWEEK({sql})", params
+        elif lookup_type == "iso_week_day":
+            # WEEKDAY() returns an integer, 0-6, Monday=0.
+            return f"WEEKDAY({sql}) + 1", params
+        elif lookup_type == "week":
+            # Override the value of default_week_format for consistency with
+            # other database backends.
+            # Mode 3: Monday, 1-53, with 4 or more days this year.
+            return f"WEEK({sql}, 3)", params
+        elif lookup_type == "iso_year":
+            # Get the year part from the YEARWEEK function, which returns a
+            # number as year * 100 + week.
+            return f"TRUNCATE(YEARWEEK({sql}, 3), -2) / 100", params
+        else:
+            # EXTRACT returns 1-53 based on ISO-8601 for the week number.
+            lookup_type = lookup_type.upper()
+            if not self._extract_format_re.fullmatch(lookup_type):
+                raise ValueError(f"Invalid loookup type: {lookup_type!r}")
+            return f"EXTRACT({lookup_type} FROM {sql})", params
+
+    def date_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        fields = {
+            "year": "%Y-01-01",
+            "month": "%Y-%m-01",
+        }
+        if lookup_type in fields:
+            format_str = fields[lookup_type]
+            return f"CAST(DATE_FORMAT({sql}, %s) AS DATE)", (*params, format_str)
+        elif lookup_type == "quarter":
+            return (
+                f"MAKEDATE(YEAR({sql}), 1) + "
+                f"INTERVAL QUARTER({sql}) QUARTER - INTERVAL 1 QUARTER",
+                (*params, *params),
+            )
+        elif lookup_type == "week":
+            return f"DATE_SUB({sql}, INTERVAL WEEKDAY({sql}) DAY)", (*params, *params)
+        else:
+            return f"DATE({sql})", params
+
+    def _prepare_tzname_delta(self, tzname):
+        tzname, sign, offset = split_tzname_delta(tzname)
+        return f"{sign}{offset}" if offset else tzname
+
+    def _convert_sql_to_tz(self, sql, params, tzname):
+        if tzname and settings.USE_TZ and self.connection.timezone_name != tzname:
+            return f"CONVERT_TZ({sql}, %s, %s)", (
+                *params,
+                self.connection.timezone_name,
+                self._prepare_tzname_delta(tzname),
+            )
+        return sql, params
+
+    def datetime_cast_date_sql(self, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return f"DATE({sql})", params
+
+    def datetime_cast_time_sql(self, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return f"TIME({sql})", params
+
+    def datetime_extract_sql(self, lookup_type, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return self.date_extract_sql(lookup_type, sql, params)
+
+    def datetime_trunc_sql(self, lookup_type, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        fields = ["year", "month", "day", "hour", "minute", "second"]
+        format = ("%Y-", "%m", "-%d", " %H:", "%i", ":%s")
+        format_def = ("0000-", "01", "-01", " 00:", "00", ":00")
+        if lookup_type == "quarter":
+            return (
+                f"CAST(DATE_FORMAT(MAKEDATE(YEAR({sql}), 1) + "
+                f"INTERVAL QUARTER({sql}) QUARTER - "
+                f"INTERVAL 1 QUARTER, %s) AS DATETIME)"
+            ), (*params, *params, "%Y-%m-01 00:00:00")
+        if lookup_type == "week":
+            return (
+                f"CAST(DATE_FORMAT("
+                f"DATE_SUB({sql}, INTERVAL WEEKDAY({sql}) DAY), %s) AS DATETIME)"
+            ), (*params, *params, "%Y-%m-%d 00:00:00")
+        try:
+            i = fields.index(lookup_type) + 1
+        except ValueError:
+            pass
+        else:
+            format_str = "".join(format[:i] + format_def[i:])
+            return f"CAST(DATE_FORMAT({sql}, %s) AS DATETIME)", (*params, format_str)
+        return sql, params
+
+    def time_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        fields = {
+            "hour": "%H:00:00",
+            "minute": "%H:%i:00",
+            "second": "%H:%i:%s",
+        }
+        if lookup_type in fields:
+            format_str = fields[lookup_type]
+            return f"CAST(DATE_FORMAT({sql}, %s) AS TIME)", (*params, format_str)
+        else:
+            return f"TIME({sql})", params
+
+    def fetch_returned_insert_rows(self, cursor):
+        """
+        Given a cursor object that has just performed an INSERT...RETURNING
+        statement into a table, return the tuple of returned data.
+        """
+        return cursor.fetchall()
+
+    def format_for_duration_arithmetic(self, sql):
+        return "INTERVAL %s MICROSECOND" % sql
+
+    def force_no_ordering(self):
+        """
+        "ORDER BY NULL" prevents MySQL from implicitly ordering by grouped
+        columns. If no ordering would otherwise be applied, we don't want any
+        implicit sorting going on.
+        """
+        return [(None, ("NULL", [], False))]
+
+    def adapt_decimalfield_value(self, value, max_digits=None, decimal_places=None):
+        return value
+
+    def last_executed_query(self, cursor, sql, params):
+        # With MySQLdb, cursor objects have an (undocumented) "_executed"
+        # attribute where the exact query sent to the database is saved.
+        # See MySQLdb/cursors.py in the source distribution.
+        # MySQLdb returns string, PyMySQL bytes.
+        return force_str(getattr(cursor, "_executed", None), errors="replace")
+
+    def no_limit_value(self):
+        # 2**64 - 1, as recommended by the MySQL documentation
+        return 18446744073709551615
+
+    def quote_name(self, name):
+        if name.startswith("`") and name.endswith("`"):
+            return name  # Quoting once is enough.
+        return "`%s`" % name
+
+    def return_insert_columns(self, fields):
+        # MySQL and MariaDB < 10.5.0 don't support an INSERT...RETURNING
+        # statement.
+        if not fields:
+            return "", ()
+        columns = [
+            "%s.%s"
+            % (
+                self.quote_name(field.model._meta.db_table),
+                self.quote_name(field.column),
+            )
+            for field in fields
+        ]
+        return "RETURNING %s" % ", ".join(columns), ()
+
+    def sql_flush(self, style, tables, *, reset_sequences=False, allow_cascade=False):
+        if not tables:
+            return []
+
+        sql = ["SET FOREIGN_KEY_CHECKS = 0;"]
+        if reset_sequences:
+            # It's faster to TRUNCATE tables that require a sequence reset
+            # since ALTER TABLE AUTO_INCREMENT is slower than TRUNCATE.
+            sql.extend(
+                "%s %s;"
+                % (
+                    style.SQL_KEYWORD("TRUNCATE"),
+                    style.SQL_FIELD(self.quote_name(table_name)),
+                )
+                for table_name in tables
+            )
+        else:
+            # Otherwise issue a simple DELETE since it's faster than TRUNCATE
+            # and preserves sequences.
+            sql.extend(
+                "%s %s %s;"
+                % (
+                    style.SQL_KEYWORD("DELETE"),
+                    style.SQL_KEYWORD("FROM"),
+                    style.SQL_FIELD(self.quote_name(table_name)),
+                )
+                for table_name in tables
+            )
+        sql.append("SET FOREIGN_KEY_CHECKS = 1;")
+        return sql
+
+    def sequence_reset_by_name_sql(self, style, sequences):
+        return [
+            "%s %s %s %s = 1;"
+            % (
+                style.SQL_KEYWORD("ALTER"),
+                style.SQL_KEYWORD("TABLE"),
+                style.SQL_FIELD(self.quote_name(sequence_info["table"])),
+                style.SQL_FIELD("AUTO_INCREMENT"),
+            )
+            for sequence_info in sequences
+        ]
+
+    def validate_autopk_value(self, value):
+        # Zero in AUTO_INCREMENT field does not work without the
+        # NO_AUTO_VALUE_ON_ZERO SQL mode.
+        if value == 0 and not self.connection.features.allows_auto_pk_0:
+            raise ValueError(
+                "The database backend does not accept 0 as a value for AutoField."
+            )
+        return value
+
+    def adapt_datetimefield_value(self, value):
+        if value is None:
+            return None
+
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        # MySQL doesn't support tz-aware datetimes
+        if timezone.is_aware(value):
+            if settings.USE_TZ:
+                value = timezone.make_naive(value, self.connection.timezone)
+            else:
+                raise ValueError(
+                    "MySQL backend does not support timezone-aware datetimes when "
+                    "USE_TZ is False."
+                )
+        return str(value)
+
+    def adapt_timefield_value(self, value):
+        if value is None:
+            return None
+
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        # MySQL doesn't support tz-aware times
+        if timezone.is_aware(value):
+            raise ValueError("MySQL backend does not support timezone-aware times.")
+
+        return value.isoformat(timespec="microseconds")
+
+    def max_name_length(self):
+        return 64
+
+    def pk_default_value(self):
+        return "NULL"
+
+    def bulk_insert_sql(self, fields, placeholder_rows):
+        placeholder_rows_sql = (", ".join(row) for row in placeholder_rows)
+        values_sql = ", ".join("(%s)" % sql for sql in placeholder_rows_sql)
+        return "VALUES " + values_sql
+
+    def combine_expression(self, connector, sub_expressions):
+        if connector == "^":
+            return "POW(%s)" % ",".join(sub_expressions)
+        # Convert the result to a signed integer since MySQL's binary operators
+        # return an unsigned integer.
+        elif connector in ("&", "|", "<<", "#"):
+            connector = "^" if connector == "#" else connector
+            return "CONVERT(%s, SIGNED)" % connector.join(sub_expressions)
+        elif connector == ">>":
+            lhs, rhs = sub_expressions
+            return "FLOOR(%(lhs)s / POW(2, %(rhs)s))" % {"lhs": lhs, "rhs": rhs}
+        return super().combine_expression(connector, sub_expressions)
+
+    def get_db_converters(self, expression):
+        converters = super().get_db_converters(expression)
+        internal_type = expression.output_field.get_internal_type()
+        if internal_type == "BooleanField":
+            converters.append(self.convert_booleanfield_value)
+        elif internal_type == "DateTimeField":
+            if settings.USE_TZ:
+                converters.append(self.convert_datetimefield_value)
+        elif internal_type == "UUIDField":
+            converters.append(self.convert_uuidfield_value)
+        return converters
+
+    def convert_booleanfield_value(self, value, expression, connection):
+        if value in (0, 1):
+            value = bool(value)
+        return value
+
+    def convert_datetimefield_value(self, value, expression, connection):
+        if value is not None:
+            value = timezone.make_aware(value, self.connection.timezone)
+        return value
+
+    def convert_uuidfield_value(self, value, expression, connection):
+        if value is not None:
+            value = uuid.UUID(value)
+        return value
+
+    def binary_placeholder_sql(self, value):
+        return (
+            "_binary %s" if value is not None and not hasattr(value, "as_sql") else "%s"
+        )
+
+    def subtract_temporals(self, internal_type, lhs, rhs):
+        lhs_sql, lhs_params = lhs
+        rhs_sql, rhs_params = rhs
+        if internal_type == "TimeField":
+            if self.connection.mysql_is_mariadb:
+                # MariaDB includes the microsecond component in TIME_TO_SEC as
+                # a decimal. MySQL returns an integer without microseconds.
+                return (
+                    "CAST((TIME_TO_SEC(%(lhs)s) - TIME_TO_SEC(%(rhs)s)) "
+                    "* 1000000 AS SIGNED)"
+                ) % {
+                    "lhs": lhs_sql,
+                    "rhs": rhs_sql,
+                }, (
+                    *lhs_params,
+                    *rhs_params,
+                )
+            return (
+                "((TIME_TO_SEC(%(lhs)s) * 1000000 + MICROSECOND(%(lhs)s)) -"
+                " (TIME_TO_SEC(%(rhs)s) * 1000000 + MICROSECOND(%(rhs)s)))"
+            ) % {"lhs": lhs_sql, "rhs": rhs_sql}, tuple(lhs_params) * 2 + tuple(
+                rhs_params
+            ) * 2
+        params = (*rhs_params, *lhs_params)
+        return "TIMESTAMPDIFF(MICROSECOND, %s, %s)" % (rhs_sql, lhs_sql), params
+
+    def explain_query_prefix(self, format=None, **options):
+        # Alias MySQL's TRADITIONAL to TEXT for consistency with other backends.
+        if format and format.upper() == "TEXT":
+            format = "TRADITIONAL"
+        elif (
+            not format and "TREE" in self.connection.features.supported_explain_formats
+        ):
+            # Use TREE by default (if supported) as it's more informative.
+            format = "TREE"
+        analyze = options.pop("analyze", False)
+        prefix = super().explain_query_prefix(format, **options)
+        if analyze and self.connection.features.supports_explain_analyze:
+            # MariaDB uses ANALYZE instead of EXPLAIN ANALYZE.
+            prefix = (
+                "ANALYZE" if self.connection.mysql_is_mariadb else prefix + " ANALYZE"
+            )
+        if format and not (analyze and not self.connection.mysql_is_mariadb):
+            # Only MariaDB supports the analyze option with formats.
+            prefix += " FORMAT=%s" % format
+        return prefix
+
+    def regex_lookup(self, lookup_type):
+        # REGEXP_LIKE doesn't exist in MariaDB.
+        if self.connection.mysql_is_mariadb:
+            if lookup_type == "regex":
+                return "%s REGEXP BINARY %s"
+            return "%s REGEXP %s"
+
+        match_option = "c" if lookup_type == "regex" else "i"
+        return "REGEXP_LIKE(%%s, %%s, '%s')" % match_option
+
+    def insert_statement(self, on_conflict=None):
+        if on_conflict == OnConflict.IGNORE:
+            return "INSERT IGNORE INTO"
+        return super().insert_statement(on_conflict=on_conflict)
+
+    def lookup_cast(self, lookup_type, internal_type=None):
+        lookup = "%s"
+        if internal_type == "JSONField":
+            if self.connection.mysql_is_mariadb or lookup_type in (
+                "iexact",
+                "contains",
+                "icontains",
+                "startswith",
+                "istartswith",
+                "endswith",
+                "iendswith",
+                "regex",
+                "iregex",
+            ):
+                lookup = "JSON_UNQUOTE(%s)"
+        return lookup
+
+    def conditional_expression_supported_in_where_clause(self, expression):
+        # MySQL ignores indexes with boolean fields unless they're compared
+        # directly to a boolean value.
+        if isinstance(expression, (Exists, Lookup)):
+            return True
+        if isinstance(expression, ExpressionWrapper) and expression.conditional:
+            return self.conditional_expression_supported_in_where_clause(
+                expression.expression
+            )
+        if getattr(expression, "conditional", False):
+            return False
+        return super().conditional_expression_supported_in_where_clause(expression)
+
+    def on_conflict_suffix_sql(self, fields, on_conflict, update_fields, unique_fields):
+        if on_conflict == OnConflict.UPDATE:
+            conflict_suffix_sql = "ON DUPLICATE KEY UPDATE %(fields)s"
+            # The use of VALUES() is deprecated in MySQL 8.0.20+. Instead, use
+            # aliases for the new row and its columns available in MySQL
+            # 8.0.19+.
+            if not self.connection.mysql_is_mariadb:
+                if self.connection.mysql_version >= (8, 0, 19):
+                    conflict_suffix_sql = f"AS new {conflict_suffix_sql}"
+                    field_sql = "%(field)s = new.%(field)s"
+                else:
+                    field_sql = "%(field)s = VALUES(%(field)s)"
+            # Use VALUE() on MariaDB.
+            else:
+                field_sql = "%(field)s = VALUE(%(field)s)"
+
+            fields = ", ".join(
+                [
+                    field_sql % {"field": field}
+                    for field in map(self.quote_name, update_fields)
+                ]
+            )
+            return conflict_suffix_sql % {"fields": fields}
+        return super().on_conflict_suffix_sql(
+            fields,
+            on_conflict,
+            update_fields,
+            unique_fields,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/schema.py
new file mode 100644
index 00000000..905a26bf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/schema.py
@@ -0,0 +1,271 @@
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
+from django.db.models import NOT_PROVIDED, F, UniqueConstraint
+from django.db.models.constants import LOOKUP_SEP
+
+
+class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
+    sql_rename_table = "RENAME TABLE %(old_table)s TO %(new_table)s"
+
+    sql_alter_column_null = "MODIFY %(column)s %(type)s NULL"
+    sql_alter_column_not_null = "MODIFY %(column)s %(type)s NOT NULL"
+    sql_alter_column_type = "MODIFY %(column)s %(type)s%(collation)s%(comment)s"
+    sql_alter_column_no_default_null = "ALTER COLUMN %(column)s SET DEFAULT NULL"
+
+    # No 'CASCADE' which works as a no-op in MySQL but is undocumented
+    sql_delete_column = "ALTER TABLE %(table)s DROP COLUMN %(column)s"
+
+    sql_delete_unique = "ALTER TABLE %(table)s DROP INDEX %(name)s"
+    sql_create_column_inline_fk = (
+        ", ADD CONSTRAINT %(name)s FOREIGN KEY (%(column)s) "
+        "REFERENCES %(to_table)s(%(to_column)s)"
+    )
+    sql_delete_fk = "ALTER TABLE %(table)s DROP FOREIGN KEY %(name)s"
+
+    sql_delete_index = "DROP INDEX %(name)s ON %(table)s"
+    sql_rename_index = "ALTER TABLE %(table)s RENAME INDEX %(old_name)s TO %(new_name)s"
+
+    sql_create_pk = (
+        "ALTER TABLE %(table)s ADD CONSTRAINT %(name)s PRIMARY KEY (%(columns)s)"
+    )
+    sql_delete_pk = "ALTER TABLE %(table)s DROP PRIMARY KEY"
+
+    sql_create_index = "CREATE INDEX %(name)s ON %(table)s (%(columns)s)%(extra)s"
+
+    sql_alter_table_comment = "ALTER TABLE %(table)s COMMENT = %(comment)s"
+    sql_alter_column_comment = None
+
+    @property
+    def sql_delete_check(self):
+        if self.connection.mysql_is_mariadb:
+            # The name of the column check constraint is the same as the field
+            # name on MariaDB. Adding IF EXISTS clause prevents migrations
+            # crash. Constraint is removed during a "MODIFY" column statement.
+            return "ALTER TABLE %(table)s DROP CONSTRAINT IF EXISTS %(name)s"
+        return "ALTER TABLE %(table)s DROP CHECK %(name)s"
+
+    @property
+    def sql_rename_column(self):
+        is_mariadb = self.connection.mysql_is_mariadb
+        if is_mariadb and self.connection.mysql_version < (10, 5, 2):
+            # MariaDB < 10.5.2 doesn't support an
+            # "ALTER TABLE ... RENAME COLUMN" statement.
+            return "ALTER TABLE %(table)s CHANGE %(old_column)s %(new_column)s %(type)s"
+        return super().sql_rename_column
+
+    def quote_value(self, value):
+        self.connection.ensure_connection()
+        # MySQLdb escapes to string, PyMySQL to bytes.
+        quoted = self.connection.connection.escape(
+            value, self.connection.connection.encoders
+        )
+        if isinstance(value, str) and isinstance(quoted, bytes):
+            quoted = quoted.decode()
+        return quoted
+
+    def _is_limited_data_type(self, field):
+        db_type = field.db_type(self.connection)
+        return (
+            db_type is not None
+            and db_type.lower() in self.connection._limited_data_types
+        )
+
+    def skip_default(self, field):
+        if not self._supports_limited_data_type_defaults:
+            return self._is_limited_data_type(field)
+        return False
+
+    def skip_default_on_alter(self, field):
+        if self._is_limited_data_type(field) and not self.connection.mysql_is_mariadb:
+            # MySQL doesn't support defaults for BLOB and TEXT in the
+            # ALTER COLUMN statement.
+            return True
+        return False
+
+    @property
+    def _supports_limited_data_type_defaults(self):
+        # MariaDB and MySQL >= 8.0.13 support defaults for BLOB and TEXT.
+        if self.connection.mysql_is_mariadb:
+            return True
+        return self.connection.mysql_version >= (8, 0, 13)
+
+    def _column_default_sql(self, field):
+        if (
+            not self.connection.mysql_is_mariadb
+            and self._supports_limited_data_type_defaults
+            and self._is_limited_data_type(field)
+        ):
+            # MySQL supports defaults for BLOB and TEXT columns only if the
+            # default value is written as an expression i.e. in parentheses.
+            return "(%s)"
+        return super()._column_default_sql(field)
+
+    def add_field(self, model, field):
+        super().add_field(model, field)
+
+        # Simulate the effect of a one-off default.
+        # field.default may be unhashable, so a set isn't used for "in" check.
+        if self.skip_default(field) and field.default not in (None, NOT_PROVIDED):
+            effective_default = self.effective_default(field)
+            self.execute(
+                "UPDATE %(table)s SET %(column)s = %%s"
+                % {
+                    "table": self.quote_name(model._meta.db_table),
+                    "column": self.quote_name(field.column),
+                },
+                [effective_default],
+            )
+
+    def remove_constraint(self, model, constraint):
+        if (
+            isinstance(constraint, UniqueConstraint)
+            and constraint.create_sql(model, self) is not None
+        ):
+            self._create_missing_fk_index(
+                model,
+                fields=constraint.fields,
+                expressions=constraint.expressions,
+            )
+        super().remove_constraint(model, constraint)
+
+    def remove_index(self, model, index):
+        self._create_missing_fk_index(
+            model,
+            fields=[field_name for field_name, _ in index.fields_orders],
+            expressions=index.expressions,
+        )
+        super().remove_index(model, index)
+
+    def _field_should_be_indexed(self, model, field):
+        if not super()._field_should_be_indexed(model, field):
+            return False
+
+        storage = self.connection.introspection.get_storage_engine(
+            self.connection.cursor(), model._meta.db_table
+        )
+        # No need to create an index for ForeignKey fields except if
+        # db_constraint=False because the index from that constraint won't be
+        # created.
+        if (
+            storage == "InnoDB"
+            and field.get_internal_type() == "ForeignKey"
+            and field.db_constraint
+        ):
+            return False
+        return not self._is_limited_data_type(field)
+
+    def _create_missing_fk_index(
+        self,
+        model,
+        *,
+        fields,
+        expressions=None,
+    ):
+        """
+        MySQL can remove an implicit FK index on a field when that field is
+        covered by another index like a unique_together. "covered" here means
+        that the more complex index has the FK field as its first field (see
+        https://bugs.mysql.com/bug.php?id=37910).
+
+        Manually create an implicit FK index to make it possible to remove the
+        composed index.
+        """
+        first_field_name = None
+        if fields:
+            first_field_name = fields[0]
+        elif (
+            expressions
+            and self.connection.features.supports_expression_indexes
+            and isinstance(expressions[0], F)
+            and LOOKUP_SEP not in expressions[0].name
+        ):
+            first_field_name = expressions[0].name
+
+        if not first_field_name:
+            return
+
+        first_field = model._meta.get_field(first_field_name)
+        if first_field.get_internal_type() == "ForeignKey":
+            column = self.connection.introspection.identifier_converter(
+                first_field.column
+            )
+            with self.connection.cursor() as cursor:
+                constraint_names = [
+                    name
+                    for name, infodict in self.connection.introspection.get_constraints(
+                        cursor, model._meta.db_table
+                    ).items()
+                    if infodict["index"] and infodict["columns"][0] == column
+                ]
+            # There are no other indexes that starts with the FK field, only
+            # the index that is expected to be deleted.
+            if len(constraint_names) == 1:
+                self.execute(
+                    self._create_index_sql(model, fields=[first_field], suffix="")
+                )
+
+    def _delete_composed_index(self, model, fields, *args):
+        self._create_missing_fk_index(model, fields=fields)
+        return super()._delete_composed_index(model, fields, *args)
+
+    def _set_field_new_type(self, field, new_type):
+        """
+        Keep the NULL and DEFAULT properties of the old field. If it has
+        changed, it will be handled separately.
+        """
+        if field.db_default is not NOT_PROVIDED:
+            default_sql, params = self.db_default_sql(field)
+            default_sql %= tuple(self.quote_value(p) for p in params)
+            new_type += f" DEFAULT {default_sql}"
+        if field.null:
+            new_type += " NULL"
+        else:
+            new_type += " NOT NULL"
+        return new_type
+
+    def _alter_column_type_sql(
+        self, model, old_field, new_field, new_type, old_collation, new_collation
+    ):
+        new_type = self._set_field_new_type(old_field, new_type)
+        return super()._alter_column_type_sql(
+            model, old_field, new_field, new_type, old_collation, new_collation
+        )
+
+    def _field_db_check(self, field, field_db_params):
+        if self.connection.mysql_is_mariadb and self.connection.mysql_version >= (
+            10,
+            5,
+            2,
+        ):
+            return super()._field_db_check(field, field_db_params)
+        # On MySQL and MariaDB < 10.5.2 (no support for
+        # "ALTER TABLE ... RENAME COLUMN" statements), check constraints with
+        # the column name as it requires explicit recreation when the column is
+        # renamed.
+        return field_db_params["check"]
+
+    def _rename_field_sql(self, table, old_field, new_field, new_type):
+        new_type = self._set_field_new_type(old_field, new_type)
+        return super()._rename_field_sql(table, old_field, new_field, new_type)
+
+    def _alter_column_comment_sql(self, model, new_field, new_type, new_db_comment):
+        # Comment is alter when altering the column type.
+        return "", []
+
+    def _comment_sql(self, comment):
+        comment_sql = super()._comment_sql(comment)
+        return f" COMMENT {comment_sql}"
+
+    def _alter_column_null_sql(self, model, old_field, new_field):
+        if new_field.db_default is NOT_PROVIDED:
+            return super()._alter_column_null_sql(model, old_field, new_field)
+
+        new_db_params = new_field.db_parameters(connection=self.connection)
+        type_sql = self._set_field_new_type(new_field, new_db_params["type"])
+        return (
+            "MODIFY %(column)s %(type)s"
+            % {
+                "column": self.quote_name(new_field.column),
+                "type": type_sql,
+            },
+            [],
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/validation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/validation.py
new file mode 100644
index 00000000..fdc3809c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/mysql/validation.py
@@ -0,0 +1,77 @@
+from django.core import checks
+from django.db.backends.base.validation import BaseDatabaseValidation
+from django.utils.version import get_docs_version
+
+
+class DatabaseValidation(BaseDatabaseValidation):
+    def check(self, **kwargs):
+        issues = super().check(**kwargs)
+        issues.extend(self._check_sql_mode(**kwargs))
+        return issues
+
+    def _check_sql_mode(self, **kwargs):
+        if not (
+            self.connection.sql_mode & {"STRICT_TRANS_TABLES", "STRICT_ALL_TABLES"}
+        ):
+            return [
+                checks.Warning(
+                    "%s Strict Mode is not set for database connection '%s'"
+                    % (self.connection.display_name, self.connection.alias),
+                    hint=(
+                        "%s's Strict Mode fixes many data integrity problems in "
+                        "%s, such as data truncation upon insertion, by "
+                        "escalating warnings into errors. It is strongly "
+                        "recommended you activate it. See: "
+                        "https://docs.djangoproject.com/en/%s/ref/databases/"
+                        "#mysql-sql-mode"
+                        % (
+                            self.connection.display_name,
+                            self.connection.display_name,
+                            get_docs_version(),
+                        ),
+                    ),
+                    id="mysql.W002",
+                )
+            ]
+        return []
+
+    def check_field_type(self, field, field_type):
+        """
+        MySQL has the following field length restriction:
+        No character (varchar) fields can have a length exceeding 255
+        characters if they have a unique index on them.
+        MySQL doesn't support a database index on some data types.
+        """
+        errors = []
+        if (
+            field_type.startswith("varchar")
+            and field.unique
+            and (field.max_length is None or int(field.max_length) > 255)
+        ):
+            errors.append(
+                checks.Warning(
+                    "%s may not allow unique CharFields to have a max_length "
+                    "> 255." % self.connection.display_name,
+                    obj=field,
+                    hint=(
+                        "See: https://docs.djangoproject.com/en/%s/ref/"
+                        "databases/#mysql-character-fields" % get_docs_version()
+                    ),
+                    id="mysql.W003",
+                )
+            )
+
+        if field.db_index and field_type.lower() in self.connection._limited_data_types:
+            errors.append(
+                checks.Warning(
+                    "%s does not support a database index on %s columns."
+                    % (self.connection.display_name, field_type),
+                    hint=(
+                        "An index won't be created. Silence this warning if "
+                        "you don't care about it."
+                    ),
+                    obj=field,
+                    id="fields.W162",
+                )
+            )
+        return errors
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+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/base.py
@@ -0,0 +1,612 @@
+"""
+Oracle database backend for Django.
+
+Requires oracledb: https://oracle.github.io/python-oracledb/
+"""
+
+import datetime
+import decimal
+import os
+import platform
+from contextlib import contextmanager
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.db import IntegrityError
+from django.db.backends.base.base import BaseDatabaseWrapper
+from django.db.backends.oracle.oracledb_any import oracledb as Database
+from django.db.backends.utils import debug_transaction
+from django.utils.asyncio import async_unsafe
+from django.utils.encoding import force_bytes, force_str
+from django.utils.functional import cached_property
+from django.utils.version import get_version_tuple
+
+
+def _setup_environment(environ):
+    # Cygwin requires some special voodoo to set the environment variables
+    # properly so that Oracle will see them.
+    if platform.system().upper().startswith("CYGWIN"):
+        try:
+            import ctypes
+        except ImportError as e:
+            raise ImproperlyConfigured(
+                "Error loading ctypes: %s; "
+                "the Oracle backend requires ctypes to "
+                "operate correctly under Cygwin." % e
+            )
+        kernel32 = ctypes.CDLL("kernel32")
+        for name, value in environ:
+            kernel32.SetEnvironmentVariableA(name, value)
+    else:
+        os.environ.update(environ)
+
+
+_setup_environment(
+    [
+        # Oracle takes client-side character set encoding from the environment.
+        ("NLS_LANG", ".AL32UTF8"),
+        # This prevents Unicode from getting mangled by getting encoded into the
+        # potentially non-Unicode database character set.
+        ("ORA_NCHAR_LITERAL_REPLACE", "TRUE"),
+    ]
+)
+
+
+# Some of these import oracledb, so import them after checking if it's
+# installed.
+from .client import DatabaseClient  # NOQA
+from .creation import DatabaseCreation  # NOQA
+from .features import DatabaseFeatures  # NOQA
+from .introspection import DatabaseIntrospection  # NOQA
+from .operations import DatabaseOperations  # NOQA
+from .schema import DatabaseSchemaEditor  # NOQA
+from .utils import Oracle_datetime, dsn  # NOQA
+from .validation import DatabaseValidation  # NOQA
+
+
+@contextmanager
+def wrap_oracle_errors():
+    try:
+        yield
+    except Database.DatabaseError as e:
+        # oracledb raises a oracledb.DatabaseError exception with the
+        # following attributes and values:
+        #  code = 2091
+        #  message = 'ORA-02091: transaction rolled back
+        #            'ORA-02291: integrity constraint (TEST_DJANGOTEST.SYS
+        #               _C00102056) violated - parent key not found'
+        #            or:
+        #            'ORA-00001: unique constraint (DJANGOTEST.DEFERRABLE_
+        #               PINK_CONSTRAINT) violated
+        # Convert that case to Django's IntegrityError exception.
+        x = e.args[0]
+        if (
+            hasattr(x, "code")
+            and hasattr(x, "message")
+            and x.code == 2091
+            and ("ORA-02291" in x.message or "ORA-00001" in x.message)
+        ):
+            raise IntegrityError(*tuple(e.args))
+        raise
+
+
+class _UninitializedOperatorsDescriptor:
+    def __get__(self, instance, cls=None):
+        # If connection.operators is looked up before a connection has been
+        # created, transparently initialize connection.operators to avert an
+        # AttributeError.
+        if instance is None:
+            raise AttributeError("operators not available as class attribute")
+        # Creating a cursor will initialize the operators.
+        instance.cursor().close()
+        return instance.__dict__["operators"]
+
+
+class DatabaseWrapper(BaseDatabaseWrapper):
+    vendor = "oracle"
+    display_name = "Oracle"
+    # This dictionary maps Field objects to their associated Oracle column
+    # types, as strings. Column-type strings can contain format strings; they'll
+    # be interpolated against the values of Field.__dict__ before being output.
+    # If a column type is set to None, it won't be included in the output.
+    #
+    # Any format strings starting with "qn_" are quoted before being used in the
+    # output (the "qn_" prefix is stripped before the lookup is performed.
+    data_types = {
+        "AutoField": "NUMBER(11) GENERATED BY DEFAULT ON NULL AS IDENTITY",
+        "BigAutoField": "NUMBER(19) GENERATED BY DEFAULT ON NULL AS IDENTITY",
+        "BinaryField": "BLOB",
+        "BooleanField": "NUMBER(1)",
+        "CharField": "NVARCHAR2(%(max_length)s)",
+        "DateField": "DATE",
+        "DateTimeField": "TIMESTAMP",
+        "DecimalField": "NUMBER(%(max_digits)s, %(decimal_places)s)",
+        "DurationField": "INTERVAL DAY(9) TO SECOND(6)",
+        "FileField": "NVARCHAR2(%(max_length)s)",
+        "FilePathField": "NVARCHAR2(%(max_length)s)",
+        "FloatField": "DOUBLE PRECISION",
+        "IntegerField": "NUMBER(11)",
+        "JSONField": "NCLOB",
+        "BigIntegerField": "NUMBER(19)",
+        "IPAddressField": "VARCHAR2(15)",
+        "GenericIPAddressField": "VARCHAR2(39)",
+        "OneToOneField": "NUMBER(11)",
+        "PositiveBigIntegerField": "NUMBER(19)",
+        "PositiveIntegerField": "NUMBER(11)",
+        "PositiveSmallIntegerField": "NUMBER(11)",
+        "SlugField": "NVARCHAR2(%(max_length)s)",
+        "SmallAutoField": "NUMBER(5) GENERATED BY DEFAULT ON NULL AS IDENTITY",
+        "SmallIntegerField": "NUMBER(11)",
+        "TextField": "NCLOB",
+        "TimeField": "TIMESTAMP",
+        "URLField": "VARCHAR2(%(max_length)s)",
+        "UUIDField": "VARCHAR2(32)",
+    }
+    data_type_check_constraints = {
+        "BooleanField": "%(qn_column)s IN (0,1)",
+        "JSONField": "%(qn_column)s IS JSON",
+        "PositiveBigIntegerField": "%(qn_column)s >= 0",
+        "PositiveIntegerField": "%(qn_column)s >= 0",
+        "PositiveSmallIntegerField": "%(qn_column)s >= 0",
+    }
+
+    # Oracle doesn't support a database index on these columns.
+    _limited_data_types = ("clob", "nclob", "blob")
+
+    operators = _UninitializedOperatorsDescriptor()
+
+    _standard_operators = {
+        "exact": "= %s",
+        "iexact": "= UPPER(%s)",
+        "contains": (
+            "LIKE TRANSLATE(%s USING NCHAR_CS) ESCAPE TRANSLATE('\\' USING NCHAR_CS)"
+        ),
+        "icontains": (
+            "LIKE UPPER(TRANSLATE(%s USING NCHAR_CS)) "
+            "ESCAPE TRANSLATE('\\' USING NCHAR_CS)"
+        ),
+        "gt": "> %s",
+        "gte": ">= %s",
+        "lt": "< %s",
+        "lte": "<= %s",
+        "startswith": (
+            "LIKE TRANSLATE(%s USING NCHAR_CS) ESCAPE TRANSLATE('\\' USING NCHAR_CS)"
+        ),
+        "endswith": (
+            "LIKE TRANSLATE(%s USING NCHAR_CS) ESCAPE TRANSLATE('\\' USING NCHAR_CS)"
+        ),
+        "istartswith": (
+            "LIKE UPPER(TRANSLATE(%s USING NCHAR_CS)) "
+            "ESCAPE TRANSLATE('\\' USING NCHAR_CS)"
+        ),
+        "iendswith": (
+            "LIKE UPPER(TRANSLATE(%s USING NCHAR_CS)) "
+            "ESCAPE TRANSLATE('\\' USING NCHAR_CS)"
+        ),
+    }
+
+    _likec_operators = {
+        **_standard_operators,
+        "contains": "LIKEC %s ESCAPE '\\'",
+        "icontains": "LIKEC UPPER(%s) ESCAPE '\\'",
+        "startswith": "LIKEC %s ESCAPE '\\'",
+        "endswith": "LIKEC %s ESCAPE '\\'",
+        "istartswith": "LIKEC UPPER(%s) ESCAPE '\\'",
+        "iendswith": "LIKEC UPPER(%s) ESCAPE '\\'",
+    }
+
+    # The patterns below are used to generate SQL pattern lookup clauses when
+    # the right-hand side of the lookup isn't a raw string (it might be an expression
+    # or the result of a bilateral transformation).
+    # In those cases, special characters for LIKE operators (e.g. \, %, _)
+    # should be escaped on the database side.
+    #
+    # Note: we use str.format() here for readability as '%' is used as a wildcard for
+    # the LIKE operator.
+    pattern_esc = r"REPLACE(REPLACE(REPLACE({}, '\', '\\'), '%%', '\%%'), '_', '\_')"
+    _pattern_ops = {
+        "contains": "'%%' || {} || '%%'",
+        "icontains": "'%%' || UPPER({}) || '%%'",
+        "startswith": "{} || '%%'",
+        "istartswith": "UPPER({}) || '%%'",
+        "endswith": "'%%' || {}",
+        "iendswith": "'%%' || UPPER({})",
+    }
+
+    _standard_pattern_ops = {
+        k: "LIKE TRANSLATE( " + v + " USING NCHAR_CS)"
+        " ESCAPE TRANSLATE('\\' USING NCHAR_CS)"
+        for k, v in _pattern_ops.items()
+    }
+    _likec_pattern_ops = {
+        k: "LIKEC " + v + " ESCAPE '\\'" for k, v in _pattern_ops.items()
+    }
+
+    Database = Database
+    SchemaEditorClass = DatabaseSchemaEditor
+    # Classes instantiated in __init__().
+    client_class = DatabaseClient
+    creation_class = DatabaseCreation
+    features_class = DatabaseFeatures
+    introspection_class = DatabaseIntrospection
+    ops_class = DatabaseOperations
+    validation_class = DatabaseValidation
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        use_returning_into = self.settings_dict["OPTIONS"].get(
+            "use_returning_into", True
+        )
+        self.features.can_return_columns_from_insert = use_returning_into
+
+    def get_database_version(self):
+        return self.oracle_version
+
+    def get_connection_params(self):
+        conn_params = self.settings_dict["OPTIONS"].copy()
+        if "use_returning_into" in conn_params:
+            del conn_params["use_returning_into"]
+        return conn_params
+
+    @async_unsafe
+    def get_new_connection(self, conn_params):
+        return Database.connect(
+            user=self.settings_dict["USER"],
+            password=self.settings_dict["PASSWORD"],
+            dsn=dsn(self.settings_dict),
+            **conn_params,
+        )
+
+    def init_connection_state(self):
+        super().init_connection_state()
+        cursor = self.create_cursor()
+        # Set the territory first. The territory overrides NLS_DATE_FORMAT
+        # and NLS_TIMESTAMP_FORMAT to the territory default. When all of
+        # these are set in single statement it isn't clear what is supposed
+        # to happen.
+        cursor.execute("ALTER SESSION SET NLS_TERRITORY = 'AMERICA'")
+        # Set Oracle date to ANSI date format.  This only needs to execute
+        # once when we create a new connection. We also set the Territory
+        # to 'AMERICA' which forces Sunday to evaluate to a '1' in
+        # TO_CHAR().
+        cursor.execute(
+            "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS'"
+            " NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF'"
+            + (" TIME_ZONE = 'UTC'" if settings.USE_TZ else "")
+        )
+        cursor.close()
+        if "operators" not in self.__dict__:
+            # Ticket #14149: Check whether our LIKE implementation will
+            # work for this connection or we need to fall back on LIKEC.
+            # This check is performed only once per DatabaseWrapper
+            # instance per thread, since subsequent connections will use
+            # the same settings.
+            cursor = self.create_cursor()
+            try:
+                cursor.execute(
+                    "SELECT 1 FROM DUAL WHERE DUMMY %s"
+                    % self._standard_operators["contains"],
+                    ["X"],
+                )
+            except Database.DatabaseError:
+                self.operators = self._likec_operators
+                self.pattern_ops = self._likec_pattern_ops
+            else:
+                self.operators = self._standard_operators
+                self.pattern_ops = self._standard_pattern_ops
+            cursor.close()
+        self.connection.stmtcachesize = 20
+        # Ensure all changes are preserved even when AUTOCOMMIT is False.
+        if not self.get_autocommit():
+            self.commit()
+
+    @async_unsafe
+    def create_cursor(self, name=None):
+        return FormatStylePlaceholderCursor(self.connection, self)
+
+    def _commit(self):
+        if self.connection is not None:
+            with debug_transaction(self, "COMMIT"), wrap_oracle_errors():
+                return self.connection.commit()
+
+    # Oracle doesn't support releasing savepoints. But we fake them when query
+    # logging is enabled to keep query counts consistent with other backends.
+    def _savepoint_commit(self, sid):
+        if self.queries_logged:
+            self.queries_log.append(
+                {
+                    "sql": "-- RELEASE SAVEPOINT %s (faked)" % self.ops.quote_name(sid),
+                    "time": "0.000",
+                }
+            )
+
+    def _set_autocommit(self, autocommit):
+        with self.wrap_database_errors:
+            self.connection.autocommit = autocommit
+
+    def check_constraints(self, table_names=None):
+        """
+        Check constraints by setting them to immediate. Return them to deferred
+        afterward.
+        """
+        with self.cursor() as cursor:
+            cursor.execute("SET CONSTRAINTS ALL IMMEDIATE")
+            cursor.execute("SET CONSTRAINTS ALL DEFERRED")
+
+    def is_usable(self):
+        try:
+            self.connection.ping()
+        except Database.Error:
+            return False
+        else:
+            return True
+
+    @cached_property
+    def oracle_version(self):
+        with self.temporary_connection():
+            return tuple(int(x) for x in self.connection.version.split("."))
+
+    @cached_property
+    def oracledb_version(self):
+        return get_version_tuple(Database.__version__)
+
+
+class OracleParam:
+    """
+    Wrapper object for formatting parameters for Oracle. If the string
+    representation of the value is large enough (greater than 4000 characters)
+    the input size needs to be set as CLOB. Alternatively, if the parameter
+    has an `input_size` attribute, then the value of the `input_size` attribute
+    will be used instead. Otherwise, no input size will be set for the
+    parameter when executing the query.
+    """
+
+    def __init__(self, param, cursor, strings_only=False):
+        # With raw SQL queries, datetimes can reach this function
+        # without being converted by DateTimeField.get_db_prep_value.
+        if settings.USE_TZ and (
+            isinstance(param, datetime.datetime)
+            and not isinstance(param, Oracle_datetime)
+        ):
+            param = Oracle_datetime.from_datetime(param)
+
+        string_size = 0
+        has_boolean_data_type = (
+            cursor.database.features.supports_boolean_expr_in_select_clause
+        )
+        if not has_boolean_data_type:
+            # Oracle < 23c doesn't recognize True and False correctly.
+            if param is True:
+                param = 1
+            elif param is False:
+                param = 0
+        if hasattr(param, "bind_parameter"):
+            self.force_bytes = param.bind_parameter(cursor)
+        elif isinstance(param, (Database.Binary, datetime.timedelta)):
+            self.force_bytes = param
+        else:
+            # To transmit to the database, we need Unicode if supported
+            # To get size right, we must consider bytes.
+            self.force_bytes = force_str(param, cursor.charset, strings_only)
+            if isinstance(self.force_bytes, str):
+                # We could optimize by only converting up to 4000 bytes here
+                string_size = len(force_bytes(param, cursor.charset, strings_only))
+        if hasattr(param, "input_size"):
+            # If parameter has `input_size` attribute, use that.
+            self.input_size = param.input_size
+        elif string_size > 4000:
+            # Mark any string param greater than 4000 characters as a CLOB.
+            self.input_size = Database.CLOB
+        elif isinstance(param, datetime.datetime):
+            self.input_size = Database.TIMESTAMP
+        elif has_boolean_data_type and isinstance(param, bool):
+            self.input_size = Database.DB_TYPE_BOOLEAN
+        else:
+            self.input_size = None
+
+
+class VariableWrapper:
+    """
+    An adapter class for cursor variables that prevents the wrapped object
+    from being converted into a string when used to instantiate an OracleParam.
+    This can be used generally for any other object that should be passed into
+    Cursor.execute as-is.
+    """
+
+    def __init__(self, var):
+        self.var = var
+
+    def bind_parameter(self, cursor):
+        return self.var
+
+    def __getattr__(self, key):
+        return getattr(self.var, key)
+
+    def __setattr__(self, key, value):
+        if key == "var":
+            self.__dict__[key] = value
+        else:
+            setattr(self.var, key, value)
+
+
+class FormatStylePlaceholderCursor:
+    """
+    Django uses "format" (e.g. '%s') style placeholders, but Oracle uses ":var"
+    style. This fixes it -- but note that if you want to use a literal "%s" in
+    a query, you'll need to use "%%s".
+    """
+
+    charset = "utf-8"
+
+    def __init__(self, connection, database):
+        self.cursor = connection.cursor()
+        self.cursor.outputtypehandler = self._output_type_handler
+        self.database = database
+
+    @staticmethod
+    def _output_number_converter(value):
+        return decimal.Decimal(value) if "." in value else int(value)
+
+    @staticmethod
+    def _get_decimal_converter(precision, scale):
+        if scale == 0:
+            return int
+        context = decimal.Context(prec=precision)
+        quantize_value = decimal.Decimal(1).scaleb(-scale)
+        return lambda v: decimal.Decimal(v).quantize(quantize_value, context=context)
+
+    @staticmethod
+    def _output_type_handler(cursor, name, defaultType, length, precision, scale):
+        """
+        Called for each db column fetched from cursors. Return numbers as the
+        appropriate Python type, and NCLOB with JSON as strings.
+        """
+        if defaultType == Database.NUMBER:
+            if scale == -127:
+                if precision == 0:
+                    # NUMBER column: decimal-precision floating point.
+                    # This will normally be an integer from a sequence,
+                    # but it could be a decimal value.
+                    outconverter = FormatStylePlaceholderCursor._output_number_converter
+                else:
+                    # FLOAT column: binary-precision floating point.
+                    # This comes from FloatField columns.
+                    outconverter = float
+            elif precision > 0:
+                # NUMBER(p,s) column: decimal-precision fixed point.
+                # This comes from IntegerField and DecimalField columns.
+                outconverter = FormatStylePlaceholderCursor._get_decimal_converter(
+                    precision, scale
+                )
+            else:
+                # No type information. This normally comes from a
+                # mathematical expression in the SELECT list. Guess int
+                # or Decimal based on whether it has a decimal point.
+                outconverter = FormatStylePlaceholderCursor._output_number_converter
+            return cursor.var(
+                Database.STRING,
+                size=255,
+                arraysize=cursor.arraysize,
+                outconverter=outconverter,
+            )
+        # oracledb 2.0.0+ returns NLOB columns with IS JSON constraints as
+        # dicts. Use a no-op converter to avoid this.
+        elif defaultType == Database.DB_TYPE_NCLOB:
+            return cursor.var(Database.DB_TYPE_NCLOB, arraysize=cursor.arraysize)
+
+    def _format_params(self, params):
+        try:
+            return {k: OracleParam(v, self, True) for k, v in params.items()}
+        except AttributeError:
+            return tuple(OracleParam(p, self, True) for p in params)
+
+    def _guess_input_sizes(self, params_list):
+        # Try dict handling; if that fails, treat as sequence
+        if hasattr(params_list[0], "keys"):
+            sizes = {}
+            for params in params_list:
+                for k, value in params.items():
+                    if value.input_size:
+                        sizes[k] = value.input_size
+            if sizes:
+                self.setinputsizes(**sizes)
+        else:
+            # It's not a list of dicts; it's a list of sequences
+            sizes = [None] * len(params_list[0])
+            for params in params_list:
+                for i, value in enumerate(params):
+                    if value.input_size:
+                        sizes[i] = value.input_size
+            if sizes:
+                self.setinputsizes(*sizes)
+
+    def _param_generator(self, params):
+        # Try dict handling; if that fails, treat as sequence
+        if hasattr(params, "items"):
+            return {k: v.force_bytes for k, v in params.items()}
+        else:
+            return [p.force_bytes for p in params]
+
+    def _fix_for_params(self, query, params, unify_by_values=False):
+        # oracledb wants no trailing ';' for SQL statements.  For PL/SQL, it
+        # it does want a trailing ';' but not a trailing '/'.  However, these
+        # characters must be included in the original query in case the query
+        # is being passed to SQL*Plus.
+        if query.endswith(";") or query.endswith("/"):
+            query = query[:-1]
+        if params is None:
+            params = []
+        elif hasattr(params, "keys"):
+            # Handle params as dict
+            args = {k: ":%s" % k for k in params}
+            query %= args
+        elif unify_by_values and params:
+            # Handle params as a dict with unified query parameters by their
+            # values. It can be used only in single query execute() because
+            # executemany() shares the formatted query with each of the params
+            # list. e.g. for input params = [0.75, 2, 0.75, 'sth', 0.75]
+            # params_dict = {
+            #     (float, 0.75): ':arg0',
+            #     (int, 2): ':arg1',
+            #     (str, 'sth'): ':arg2',
+            # }
+            # args = [':arg0', ':arg1', ':arg0', ':arg2', ':arg0']
+            # params = {':arg0': 0.75, ':arg1': 2, ':arg2': 'sth'}
+            # The type of parameters in param_types keys is necessary to avoid
+            # unifying 0/1 with False/True.
+            param_types = [(type(param), param) for param in params]
+            params_dict = {
+                param_type: ":arg%d" % i
+                for i, param_type in enumerate(dict.fromkeys(param_types))
+            }
+            args = [params_dict[param_type] for param_type in param_types]
+            params = {
+                placeholder: param for (_, param), placeholder in params_dict.items()
+            }
+            query %= tuple(args)
+        else:
+            # Handle params as sequence
+            args = [(":arg%d" % i) for i in range(len(params))]
+            query %= tuple(args)
+        return query, self._format_params(params)
+
+    def execute(self, query, params=None):
+        query, params = self._fix_for_params(query, params, unify_by_values=True)
+        self._guess_input_sizes([params])
+        with wrap_oracle_errors():
+            return self.cursor.execute(query, self._param_generator(params))
+
+    def executemany(self, query, params=None):
+        if not params:
+            # No params given, nothing to do
+            return None
+        # uniform treatment for sequences and iterables
+        params_iter = iter(params)
+        query, firstparams = self._fix_for_params(query, next(params_iter))
+        # we build a list of formatted params; as we're going to traverse it
+        # more than once, we can't make it lazy by using a generator
+        formatted = [firstparams] + [self._format_params(p) for p in params_iter]
+        self._guess_input_sizes(formatted)
+        with wrap_oracle_errors():
+            return self.cursor.executemany(
+                query, [self._param_generator(p) for p in formatted]
+            )
+
+    def close(self):
+        try:
+            self.cursor.close()
+        except Database.InterfaceError:
+            # already closed
+            pass
+
+    def var(self, *args):
+        return VariableWrapper(self.cursor.var(*args))
+
+    def arrayvar(self, *args):
+        return VariableWrapper(self.cursor.arrayvar(*args))
+
+    def __getattr__(self, attr):
+        return getattr(self.cursor, attr)
+
+    def __iter__(self):
+        return iter(self.cursor)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/client.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/client.py
new file mode 100644
index 00000000..365b1160
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/client.py
@@ -0,0 +1,27 @@
+import shutil
+
+from django.db.backends.base.client import BaseDatabaseClient
+
+
+class DatabaseClient(BaseDatabaseClient):
+    executable_name = "sqlplus"
+    wrapper_name = "rlwrap"
+
+    @staticmethod
+    def connect_string(settings_dict):
+        from django.db.backends.oracle.utils import dsn
+
+        return '%s/"%s"@%s' % (
+            settings_dict["USER"],
+            settings_dict["PASSWORD"],
+            dsn(settings_dict),
+        )
+
+    @classmethod
+    def settings_to_cmd_args_env(cls, settings_dict, parameters):
+        args = [cls.executable_name, "-L", cls.connect_string(settings_dict)]
+        wrapper_path = shutil.which(cls.wrapper_name)
+        if wrapper_path:
+            args = [wrapper_path, *args]
+        args.extend(parameters)
+        return args, None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/creation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/creation.py
new file mode 100644
index 00000000..b0a51777
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/creation.py
@@ -0,0 +1,464 @@
+import sys
+
+from django.conf import settings
+from django.db import DatabaseError
+from django.db.backends.base.creation import BaseDatabaseCreation
+from django.utils.crypto import get_random_string
+from django.utils.functional import cached_property
+
+TEST_DATABASE_PREFIX = "test_"
+
+
+class DatabaseCreation(BaseDatabaseCreation):
+    @cached_property
+    def _maindb_connection(self):
+        """
+        This is analogous to other backends' `_nodb_connection` property,
+        which allows access to an "administrative" connection which can
+        be used to manage the test databases.
+        For Oracle, the only connection that can be used for that purpose
+        is the main (non-test) connection.
+        """
+        settings_dict = settings.DATABASES[self.connection.alias]
+        user = settings_dict.get("SAVED_USER") or settings_dict["USER"]
+        password = settings_dict.get("SAVED_PASSWORD") or settings_dict["PASSWORD"]
+        settings_dict = {**settings_dict, "USER": user, "PASSWORD": password}
+        DatabaseWrapper = type(self.connection)
+        return DatabaseWrapper(settings_dict, alias=self.connection.alias)
+
+    def _create_test_db(self, verbosity=1, autoclobber=False, keepdb=False):
+        parameters = self._get_test_db_params()
+        with self._maindb_connection.cursor() as cursor:
+            if self._test_database_create():
+                try:
+                    self._execute_test_db_creation(
+                        cursor, parameters, verbosity, keepdb
+                    )
+                except Exception as e:
+                    if "ORA-01543" not in str(e):
+                        # All errors except "tablespace already exists" cancel tests
+                        self.log("Got an error creating the test database: %s" % e)
+                        sys.exit(2)
+                    if not autoclobber:
+                        confirm = input(
+                            "It appears the test database, %s, already exists. "
+                            "Type 'yes' to delete it, or 'no' to cancel: "
+                            % parameters["user"]
+                        )
+                    if autoclobber or confirm == "yes":
+                        if verbosity >= 1:
+                            self.log(
+                                "Destroying old test database for alias '%s'..."
+                                % self.connection.alias
+                            )
+                        try:
+                            self._execute_test_db_destruction(
+                                cursor, parameters, verbosity
+                            )
+                        except DatabaseError as e:
+                            if "ORA-29857" in str(e):
+                                self._handle_objects_preventing_db_destruction(
+                                    cursor, parameters, verbosity, autoclobber
+                                )
+                            else:
+                                # Ran into a database error that isn't about
+                                # leftover objects in the tablespace.
+                                self.log(
+                                    "Got an error destroying the old test database: %s"
+                                    % e
+                                )
+                                sys.exit(2)
+                        except Exception as e:
+                            self.log(
+                                "Got an error destroying the old test database: %s" % e
+                            )
+                            sys.exit(2)
+                        try:
+                            self._execute_test_db_creation(
+                                cursor, parameters, verbosity, keepdb
+                            )
+                        except Exception as e:
+                            self.log(
+                                "Got an error recreating the test database: %s" % e
+                            )
+                            sys.exit(2)
+                    else:
+                        self.log("Tests cancelled.")
+                        sys.exit(1)
+
+            if self._test_user_create():
+                if verbosity >= 1:
+                    self.log("Creating test user...")
+                try:
+                    self._create_test_user(cursor, parameters, verbosity, keepdb)
+                except Exception as e:
+                    if "ORA-01920" not in str(e):
+                        # All errors except "user already exists" cancel tests
+                        self.log("Got an error creating the test user: %s" % e)
+                        sys.exit(2)
+                    if not autoclobber:
+                        confirm = input(
+                            "It appears the test user, %s, already exists. Type "
+                            "'yes' to delete it, or 'no' to cancel: "
+                            % parameters["user"]
+                        )
+                    if autoclobber or confirm == "yes":
+                        try:
+                            if verbosity >= 1:
+                                self.log("Destroying old test user...")
+                            self._destroy_test_user(cursor, parameters, verbosity)
+                            if verbosity >= 1:
+                                self.log("Creating test user...")
+                            self._create_test_user(
+                                cursor, parameters, verbosity, keepdb
+                            )
+                        except Exception as e:
+                            self.log("Got an error recreating the test user: %s" % e)
+                            sys.exit(2)
+                    else:
+                        self.log("Tests cancelled.")
+                        sys.exit(1)
+        # Done with main user -- test user and tablespaces created.
+        self._maindb_connection.close()
+        self._switch_to_test_user(parameters)
+        return self.connection.settings_dict["NAME"]
+
+    def _switch_to_test_user(self, parameters):
+        """
+        Switch to the user that's used for creating the test database.
+
+        Oracle doesn't have the concept of separate databases under the same
+        user, so a separate user is used; see _create_test_db(). The main user
+        is also needed for cleanup when testing is completed, so save its
+        credentials in the SAVED_USER/SAVED_PASSWORD key in the settings dict.
+        """
+        real_settings = settings.DATABASES[self.connection.alias]
+        real_settings["SAVED_USER"] = self.connection.settings_dict["SAVED_USER"] = (
+            self.connection.settings_dict["USER"]
+        )
+        real_settings["SAVED_PASSWORD"] = self.connection.settings_dict[
+            "SAVED_PASSWORD"
+        ] = self.connection.settings_dict["PASSWORD"]
+        real_test_settings = real_settings["TEST"]
+        test_settings = self.connection.settings_dict["TEST"]
+        real_test_settings["USER"] = real_settings["USER"] = test_settings["USER"] = (
+            self.connection.settings_dict["USER"]
+        ) = parameters["user"]
+        real_settings["PASSWORD"] = self.connection.settings_dict["PASSWORD"] = (
+            parameters["password"]
+        )
+
+    def set_as_test_mirror(self, primary_settings_dict):
+        """
+        Set this database up to be used in testing as a mirror of a primary
+        database whose settings are given.
+        """
+        self.connection.settings_dict["USER"] = primary_settings_dict["USER"]
+        self.connection.settings_dict["PASSWORD"] = primary_settings_dict["PASSWORD"]
+
+    def _handle_objects_preventing_db_destruction(
+        self, cursor, parameters, verbosity, autoclobber
+    ):
+        # There are objects in the test tablespace which prevent dropping it
+        # The easy fix is to drop the test user -- but are we allowed to do so?
+        self.log(
+            "There are objects in the old test database which prevent its destruction."
+            "\nIf they belong to the test user, deleting the user will allow the test "
+            "database to be recreated.\n"
+            "Otherwise, you will need to find and remove each of these objects, "
+            "or use a different tablespace.\n"
+        )
+        if self._test_user_create():
+            if not autoclobber:
+                confirm = input("Type 'yes' to delete user %s: " % parameters["user"])
+            if autoclobber or confirm == "yes":
+                try:
+                    if verbosity >= 1:
+                        self.log("Destroying old test user...")
+                    self._destroy_test_user(cursor, parameters, verbosity)
+                except Exception as e:
+                    self.log("Got an error destroying the test user: %s" % e)
+                    sys.exit(2)
+                try:
+                    if verbosity >= 1:
+                        self.log(
+                            "Destroying old test database for alias '%s'..."
+                            % self.connection.alias
+                        )
+                    self._execute_test_db_destruction(cursor, parameters, verbosity)
+                except Exception as e:
+                    self.log("Got an error destroying the test database: %s" % e)
+                    sys.exit(2)
+            else:
+                self.log("Tests cancelled -- test database cannot be recreated.")
+                sys.exit(1)
+        else:
+            self.log(
+                "Django is configured to use pre-existing test user '%s',"
+                " and will not attempt to delete it." % parameters["user"]
+            )
+            self.log("Tests cancelled -- test database cannot be recreated.")
+            sys.exit(1)
+
+    def _destroy_test_db(self, test_database_name, verbosity=1):
+        """
+        Destroy a test database, prompting the user for confirmation if the
+        database already exists. Return the name of the test database created.
+        """
+        self.connection.settings_dict["USER"] = self.connection.settings_dict[
+            "SAVED_USER"
+        ]
+        self.connection.settings_dict["PASSWORD"] = self.connection.settings_dict[
+            "SAVED_PASSWORD"
+        ]
+        self.connection.close()
+        parameters = self._get_test_db_params()
+        with self._maindb_connection.cursor() as cursor:
+            if self._test_user_create():
+                if verbosity >= 1:
+                    self.log("Destroying test user...")
+                self._destroy_test_user(cursor, parameters, verbosity)
+            if self._test_database_create():
+                if verbosity >= 1:
+                    self.log("Destroying test database tables...")
+                self._execute_test_db_destruction(cursor, parameters, verbosity)
+        self._maindb_connection.close()
+
+    def _execute_test_db_creation(self, cursor, parameters, verbosity, keepdb=False):
+        if verbosity >= 2:
+            self.log("_create_test_db(): dbname = %s" % parameters["user"])
+        if self._test_database_oracle_managed_files():
+            statements = [
+                """
+                CREATE TABLESPACE %(tblspace)s
+                DATAFILE SIZE %(size)s
+                AUTOEXTEND ON NEXT %(extsize)s MAXSIZE %(maxsize)s
+                """,
+                """
+                CREATE TEMPORARY TABLESPACE %(tblspace_temp)s
+                TEMPFILE SIZE %(size_tmp)s
+                AUTOEXTEND ON NEXT %(extsize_tmp)s MAXSIZE %(maxsize_tmp)s
+                """,
+            ]
+        else:
+            statements = [
+                """
+                CREATE TABLESPACE %(tblspace)s
+                DATAFILE '%(datafile)s' SIZE %(size)s REUSE
+                AUTOEXTEND ON NEXT %(extsize)s MAXSIZE %(maxsize)s
+                """,
+                """
+                CREATE TEMPORARY TABLESPACE %(tblspace_temp)s
+                TEMPFILE '%(datafile_tmp)s' SIZE %(size_tmp)s REUSE
+                AUTOEXTEND ON NEXT %(extsize_tmp)s MAXSIZE %(maxsize_tmp)s
+                """,
+            ]
+        # Ignore "tablespace already exists" error when keepdb is on.
+        acceptable_ora_err = "ORA-01543" if keepdb else None
+        self._execute_allow_fail_statements(
+            cursor, statements, parameters, verbosity, acceptable_ora_err
+        )
+
+    def _create_test_user(self, cursor, parameters, verbosity, keepdb=False):
+        if verbosity >= 2:
+            self.log("_create_test_user(): username = %s" % parameters["user"])
+        statements = [
+            """CREATE USER %(user)s
+               IDENTIFIED BY "%(password)s"
+               DEFAULT TABLESPACE %(tblspace)s
+               TEMPORARY TABLESPACE %(tblspace_temp)s
+               QUOTA UNLIMITED ON %(tblspace)s
+            """,
+            """GRANT CREATE SESSION,
+                     CREATE TABLE,
+                     CREATE SEQUENCE,
+                     CREATE PROCEDURE,
+                     CREATE TRIGGER
+               TO %(user)s""",
+        ]
+        # Ignore "user already exists" error when keepdb is on
+        acceptable_ora_err = "ORA-01920" if keepdb else None
+        success = self._execute_allow_fail_statements(
+            cursor, statements, parameters, verbosity, acceptable_ora_err
+        )
+        # If the password was randomly generated, change the user accordingly.
+        if not success and self._test_settings_get("PASSWORD") is None:
+            set_password = 'ALTER USER %(user)s IDENTIFIED BY "%(password)s"'
+            self._execute_statements(cursor, [set_password], parameters, verbosity)
+        # Most test suites can be run without "create view" and
+        # "create materialized view" privileges. But some need it.
+        for object_type in ("VIEW", "MATERIALIZED VIEW"):
+            extra = "GRANT CREATE %(object_type)s TO %(user)s"
+            parameters["object_type"] = object_type
+            success = self._execute_allow_fail_statements(
+                cursor, [extra], parameters, verbosity, "ORA-01031"
+            )
+            if not success and verbosity >= 2:
+                self.log(
+                    "Failed to grant CREATE %s permission to test user. This may be ok."
+                    % object_type
+                )
+
+    def _execute_test_db_destruction(self, cursor, parameters, verbosity):
+        if verbosity >= 2:
+            self.log("_execute_test_db_destruction(): dbname=%s" % parameters["user"])
+        statements = [
+            "DROP TABLESPACE %(tblspace)s "
+            "INCLUDING CONTENTS AND DATAFILES CASCADE CONSTRAINTS",
+            "DROP TABLESPACE %(tblspace_temp)s "
+            "INCLUDING CONTENTS AND DATAFILES CASCADE CONSTRAINTS",
+        ]
+        self._execute_statements(cursor, statements, parameters, verbosity)
+
+    def _destroy_test_user(self, cursor, parameters, verbosity):
+        if verbosity >= 2:
+            self.log("_destroy_test_user(): user=%s" % parameters["user"])
+            self.log("Be patient. This can take some time...")
+        statements = [
+            "DROP USER %(user)s CASCADE",
+        ]
+        self._execute_statements(cursor, statements, parameters, verbosity)
+
+    def _execute_statements(
+        self, cursor, statements, parameters, verbosity, allow_quiet_fail=False
+    ):
+        for template in statements:
+            stmt = template % parameters
+            if verbosity >= 2:
+                print(stmt)
+            try:
+                cursor.execute(stmt)
+            except Exception as err:
+                if (not allow_quiet_fail) or verbosity >= 2:
+                    self.log("Failed (%s)" % (err))
+                raise
+
+    def _execute_allow_fail_statements(
+        self, cursor, statements, parameters, verbosity, acceptable_ora_err
+    ):
+        """
+        Execute statements which are allowed to fail silently if the Oracle
+        error code given by `acceptable_ora_err` is raised. Return True if the
+        statements execute without an exception, or False otherwise.
+        """
+        try:
+            # Statement can fail when acceptable_ora_err is not None
+            allow_quiet_fail = (
+                acceptable_ora_err is not None and len(acceptable_ora_err) > 0
+            )
+            self._execute_statements(
+                cursor,
+                statements,
+                parameters,
+                verbosity,
+                allow_quiet_fail=allow_quiet_fail,
+            )
+            return True
+        except DatabaseError as err:
+            description = str(err)
+            if acceptable_ora_err is None or acceptable_ora_err not in description:
+                raise
+            return False
+
+    def _get_test_db_params(self):
+        return {
+            "dbname": self._test_database_name(),
+            "user": self._test_database_user(),
+            "password": self._test_database_passwd(),
+            "tblspace": self._test_database_tblspace(),
+            "tblspace_temp": self._test_database_tblspace_tmp(),
+            "datafile": self._test_database_tblspace_datafile(),
+            "datafile_tmp": self._test_database_tblspace_tmp_datafile(),
+            "maxsize": self._test_database_tblspace_maxsize(),
+            "maxsize_tmp": self._test_database_tblspace_tmp_maxsize(),
+            "size": self._test_database_tblspace_size(),
+            "size_tmp": self._test_database_tblspace_tmp_size(),
+            "extsize": self._test_database_tblspace_extsize(),
+            "extsize_tmp": self._test_database_tblspace_tmp_extsize(),
+        }
+
+    def _test_settings_get(self, key, default=None, prefixed=None):
+        """
+        Return a value from the test settings dict, or a given default, or a
+        prefixed entry from the main settings dict.
+        """
+        settings_dict = self.connection.settings_dict
+        val = settings_dict["TEST"].get(key, default)
+        if val is None and prefixed:
+            val = TEST_DATABASE_PREFIX + settings_dict[prefixed]
+        return val
+
+    def _test_database_name(self):
+        return self._test_settings_get("NAME", prefixed="NAME")
+
+    def _test_database_create(self):
+        return self._test_settings_get("CREATE_DB", default=True)
+
+    def _test_user_create(self):
+        return self._test_settings_get("CREATE_USER", default=True)
+
+    def _test_database_user(self):
+        return self._test_settings_get("USER", prefixed="USER")
+
+    def _test_database_passwd(self):
+        password = self._test_settings_get("PASSWORD")
+        if password is None and self._test_user_create():
+            # Oracle passwords are limited to 30 chars and can't contain symbols.
+            password = get_random_string(30)
+        return password
+
+    def _test_database_tblspace(self):
+        return self._test_settings_get("TBLSPACE", prefixed="USER")
+
+    def _test_database_tblspace_tmp(self):
+        settings_dict = self.connection.settings_dict
+        return settings_dict["TEST"].get(
+            "TBLSPACE_TMP", TEST_DATABASE_PREFIX + settings_dict["USER"] + "_temp"
+        )
+
+    def _test_database_tblspace_datafile(self):
+        tblspace = "%s.dbf" % self._test_database_tblspace()
+        return self._test_settings_get("DATAFILE", default=tblspace)
+
+    def _test_database_tblspace_tmp_datafile(self):
+        tblspace = "%s.dbf" % self._test_database_tblspace_tmp()
+        return self._test_settings_get("DATAFILE_TMP", default=tblspace)
+
+    def _test_database_tblspace_maxsize(self):
+        return self._test_settings_get("DATAFILE_MAXSIZE", default="500M")
+
+    def _test_database_tblspace_tmp_maxsize(self):
+        return self._test_settings_get("DATAFILE_TMP_MAXSIZE", default="500M")
+
+    def _test_database_tblspace_size(self):
+        return self._test_settings_get("DATAFILE_SIZE", default="50M")
+
+    def _test_database_tblspace_tmp_size(self):
+        return self._test_settings_get("DATAFILE_TMP_SIZE", default="50M")
+
+    def _test_database_tblspace_extsize(self):
+        return self._test_settings_get("DATAFILE_EXTSIZE", default="25M")
+
+    def _test_database_tblspace_tmp_extsize(self):
+        return self._test_settings_get("DATAFILE_TMP_EXTSIZE", default="25M")
+
+    def _test_database_oracle_managed_files(self):
+        return self._test_settings_get("ORACLE_MANAGED_FILES", default=False)
+
+    def _get_test_db_name(self):
+        """
+        Return the 'production' DB name to get the test DB creation machinery
+        to work. This isn't a great deal in this case because DB names as
+        handled by Django don't have real counterparts in Oracle.
+        """
+        return self.connection.settings_dict["NAME"]
+
+    def test_db_signature(self):
+        settings_dict = self.connection.settings_dict
+        return (
+            settings_dict["HOST"],
+            settings_dict["PORT"],
+            settings_dict["ENGINE"],
+            settings_dict["NAME"],
+            self._test_database_user(),
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/features.py
new file mode 100644
index 00000000..620a531b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/features.py
@@ -0,0 +1,191 @@
+from django.db import DatabaseError, InterfaceError
+from django.db.backends.base.features import BaseDatabaseFeatures
+from django.db.backends.oracle.oracledb_any import is_oracledb
+from django.utils.functional import cached_property
+
+
+class DatabaseFeatures(BaseDatabaseFeatures):
+    minimum_database_version = (19,)
+    # Oracle crashes with "ORA-00932: inconsistent datatypes: expected - got
+    # BLOB" when grouping by LOBs (#24096).
+    allows_group_by_lob = False
+    allows_group_by_select_index = False
+    interprets_empty_strings_as_nulls = True
+    has_select_for_update = True
+    has_select_for_update_nowait = True
+    has_select_for_update_skip_locked = True
+    has_select_for_update_of = True
+    select_for_update_of_column = True
+    can_return_columns_from_insert = True
+    supports_subqueries_in_group_by = False
+    ignores_unnecessary_order_by_in_subqueries = False
+    supports_transactions = True
+    supports_timezones = False
+    has_native_duration_field = True
+    can_defer_constraint_checks = True
+    supports_partially_nullable_unique_constraints = False
+    supports_deferrable_unique_constraints = True
+    truncates_names = True
+    supports_comments = True
+    supports_tablespaces = True
+    supports_sequence_reset = False
+    can_introspect_materialized_views = True
+    atomic_transactions = False
+    nulls_order_largest = True
+    requires_literal_defaults = True
+    supports_default_keyword_in_bulk_insert = False
+    closed_cursor_error_class = InterfaceError
+    bare_select_suffix = " FROM DUAL"
+    # Select for update with limit can be achieved on Oracle, but not with the
+    # current backend.
+    supports_select_for_update_with_limit = False
+    supports_temporal_subtraction = True
+    # Oracle doesn't ignore quoted identifiers case but the current backend
+    # does by uppercasing all identifiers.
+    ignores_table_name_case = True
+    supports_index_on_text_field = False
+    create_test_procedure_without_params_sql = """
+        CREATE PROCEDURE "TEST_PROCEDURE" AS
+            V_I INTEGER;
+        BEGIN
+            V_I := 1;
+        END;
+    """
+    create_test_procedure_with_int_param_sql = """
+        CREATE PROCEDURE "TEST_PROCEDURE" (P_I INTEGER) AS
+            V_I INTEGER;
+        BEGIN
+            V_I := P_I;
+        END;
+    """
+    create_test_table_with_composite_primary_key = """
+        CREATE TABLE test_table_composite_pk (
+            column_1 NUMBER(11) NOT NULL,
+            column_2 NUMBER(11) NOT NULL,
+            PRIMARY KEY (column_1, column_2)
+        )
+    """
+    supports_callproc_kwargs = True
+    supports_over_clause = True
+    supports_frame_range_fixed_distance = True
+    supports_ignore_conflicts = False
+    max_query_params = 2**16 - 1
+    supports_partial_indexes = False
+    supports_stored_generated_columns = False
+    supports_virtual_generated_columns = True
+    can_rename_index = True
+    supports_slicing_ordering_in_compound = True
+    requires_compound_order_by_subquery = True
+    allows_multiple_constraints_on_same_fields = False
+    supports_comparing_boolean_expr = False
+    supports_json_field_contains = False
+    supports_collation_on_textfield = False
+    test_now_utc_template = "CURRENT_TIMESTAMP AT TIME ZONE 'UTC'"
+    django_test_expected_failures = {
+        # A bug in Django/oracledb with respect to string handling (#23843).
+        "annotations.tests.NonAggregateAnnotationTestCase.test_custom_functions",
+        "annotations.tests.NonAggregateAnnotationTestCase."
+        "test_custom_functions_can_ref_other_functions",
+    }
+    insert_test_table_with_defaults = (
+        "INSERT INTO {} VALUES (DEFAULT, DEFAULT, DEFAULT)"
+    )
+
+    @cached_property
+    def django_test_skips(self):
+        skips = {
+            "Oracle doesn't support SHA224.": {
+                "db_functions.text.test_sha224.SHA224Tests.test_basic",
+                "db_functions.text.test_sha224.SHA224Tests.test_transform",
+            },
+            "Oracle doesn't correctly calculate ISO 8601 week numbering before "
+            "1583 (the Gregorian calendar was introduced in 1582).": {
+                "db_functions.datetime.test_extract_trunc.DateFunctionTests."
+                "test_trunc_week_before_1000",
+                "db_functions.datetime.test_extract_trunc."
+                "DateFunctionWithTimeZoneTests.test_trunc_week_before_1000",
+            },
+            "Oracle extracts seconds including fractional seconds (#33517).": {
+                "db_functions.datetime.test_extract_trunc.DateFunctionTests."
+                "test_extract_second_func_no_fractional",
+                "db_functions.datetime.test_extract_trunc."
+                "DateFunctionWithTimeZoneTests.test_extract_second_func_no_fractional",
+            },
+            "Oracle doesn't support bitwise XOR.": {
+                "expressions.tests.ExpressionOperatorTests.test_lefthand_bitwise_xor",
+                "expressions.tests.ExpressionOperatorTests."
+                "test_lefthand_bitwise_xor_null",
+                "expressions.tests.ExpressionOperatorTests."
+                "test_lefthand_bitwise_xor_right_null",
+            },
+            "Oracle requires ORDER BY in row_number, ANSI:SQL doesn't.": {
+                "expressions_window.tests.WindowFunctionTests."
+                "test_row_number_no_ordering",
+            },
+            "Raises ORA-00600: internal error code.": {
+                "model_fields.test_jsonfield.TestQuerying.test_usage_in_subquery",
+            },
+            "Oracle doesn't support changing collations on indexed columns (#33671).": {
+                "migrations.test_operations.OperationTests."
+                "test_alter_field_pk_fk_db_collation",
+            },
+            "Oracle doesn't support comparing NCLOB to NUMBER.": {
+                "generic_relations_regress.tests.GenericRelationTests."
+                "test_textlink_filter",
+            },
+            "Oracle doesn't support casting filters to NUMBER.": {
+                "lookup.tests.LookupQueryingTests.test_aggregate_combined_lookup",
+            },
+        }
+        if is_oracledb and self.connection.oracledb_version >= (2, 1, 2):
+            skips.update(
+                {
+                    "python-oracledb 2.1.2+ no longer hides 'ORA-1403: no data found' "
+                    "exceptions raised in database triggers.": {
+                        "backends.oracle.tests.TransactionalTests."
+                        "test_hidden_no_data_found_exception"
+                    },
+                },
+            )
+        return skips
+
+    @cached_property
+    def introspected_field_types(self):
+        return {
+            **super().introspected_field_types,
+            "GenericIPAddressField": "CharField",
+            "PositiveBigIntegerField": "BigIntegerField",
+            "PositiveIntegerField": "IntegerField",
+            "PositiveSmallIntegerField": "IntegerField",
+            "SmallIntegerField": "IntegerField",
+            "TimeField": "DateTimeField",
+        }
+
+    @cached_property
+    def test_collations(self):
+        return {
+            "ci": "BINARY_CI",
+            "cs": "BINARY",
+            "non_default": "SWEDISH_CI",
+            "swedish_ci": "SWEDISH_CI",
+            "virtual": "SWEDISH_CI" if self.supports_collation_on_charfield else None,
+        }
+
+    @cached_property
+    def supports_collation_on_charfield(self):
+        with self.connection.cursor() as cursor:
+            try:
+                cursor.execute("SELECT CAST('a' AS VARCHAR2(4001)) FROM dual")
+            except DatabaseError as e:
+                if e.args[0].code == 910:
+                    return False
+                raise
+            return True
+
+    @cached_property
+    def supports_primitives_in_json_field(self):
+        return self.connection.oracle_version >= (21,)
+
+    @cached_property
+    def supports_boolean_expr_in_select_clause(self):
+        return self.connection.oracle_version >= (23,)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/functions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/functions.py
new file mode 100644
index 00000000..936cc9e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/functions.py
@@ -0,0 +1,26 @@
+from django.db.models import DecimalField, DurationField, Func
+
+
+class IntervalToSeconds(Func):
+    function = ""
+    template = """
+    EXTRACT(day from %(expressions)s) * 86400 +
+    EXTRACT(hour from %(expressions)s) * 3600 +
+    EXTRACT(minute from %(expressions)s) * 60 +
+    EXTRACT(second from %(expressions)s)
+    """
+
+    def __init__(self, expression, *, output_field=None, **extra):
+        super().__init__(
+            expression, output_field=output_field or DecimalField(), **extra
+        )
+
+
+class SecondsToInterval(Func):
+    function = "NUMTODSINTERVAL"
+    template = "%(function)s(%(expressions)s, 'SECOND')"
+
+    def __init__(self, expression, *, output_field=None, **extra):
+        super().__init__(
+            expression, output_field=output_field or DurationField(), **extra
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/introspection.py
new file mode 100644
index 00000000..07c2d9bd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/introspection.py
@@ -0,0 +1,414 @@
+from collections import namedtuple
+
+from django.db import models
+from django.db.backends.base.introspection import BaseDatabaseIntrospection
+from django.db.backends.base.introspection import FieldInfo as BaseFieldInfo
+from django.db.backends.base.introspection import TableInfo as BaseTableInfo
+from django.db.backends.oracle.oracledb_any import oracledb
+
+FieldInfo = namedtuple(
+    "FieldInfo", BaseFieldInfo._fields + ("is_autofield", "is_json", "comment")
+)
+TableInfo = namedtuple("TableInfo", BaseTableInfo._fields + ("comment",))
+
+
+class DatabaseIntrospection(BaseDatabaseIntrospection):
+    cache_bust_counter = 1
+
+    # Maps type objects to Django Field types.
+    data_types_reverse = {
+        oracledb.DB_TYPE_DATE: "DateField",
+        oracledb.DB_TYPE_BINARY_DOUBLE: "FloatField",
+        oracledb.DB_TYPE_BLOB: "BinaryField",
+        oracledb.DB_TYPE_CHAR: "CharField",
+        oracledb.DB_TYPE_CLOB: "TextField",
+        oracledb.DB_TYPE_INTERVAL_DS: "DurationField",
+        oracledb.DB_TYPE_NCHAR: "CharField",
+        oracledb.DB_TYPE_NCLOB: "TextField",
+        oracledb.DB_TYPE_NVARCHAR: "CharField",
+        oracledb.DB_TYPE_NUMBER: "DecimalField",
+        oracledb.DB_TYPE_TIMESTAMP: "DateTimeField",
+        oracledb.DB_TYPE_VARCHAR: "CharField",
+    }
+
+    def get_field_type(self, data_type, description):
+        if data_type == oracledb.NUMBER:
+            precision, scale = description[4:6]
+            if scale == 0:
+                if precision > 11:
+                    return (
+                        "BigAutoField"
+                        if description.is_autofield
+                        else "BigIntegerField"
+                    )
+                elif 1 < precision < 6 and description.is_autofield:
+                    return "SmallAutoField"
+                elif precision == 1:
+                    return "BooleanField"
+                elif description.is_autofield:
+                    return "AutoField"
+                else:
+                    return "IntegerField"
+            elif scale == -127:
+                return "FloatField"
+        elif data_type == oracledb.NCLOB and description.is_json:
+            return "JSONField"
+
+        return super().get_field_type(data_type, description)
+
+    def get_table_list(self, cursor):
+        """Return a list of table and view names in the current database."""
+        cursor.execute(
+            """
+            SELECT
+                user_tables.table_name,
+                't',
+                user_tab_comments.comments
+            FROM user_tables
+            LEFT OUTER JOIN
+                user_tab_comments
+                ON user_tab_comments.table_name = user_tables.table_name
+            WHERE
+                NOT EXISTS (
+                    SELECT 1
+                    FROM user_mviews
+                    WHERE user_mviews.mview_name = user_tables.table_name
+                )
+            UNION ALL
+            SELECT view_name, 'v', NULL FROM user_views
+            UNION ALL
+            SELECT mview_name, 'v', NULL FROM user_mviews
+        """
+        )
+        return [
+            TableInfo(self.identifier_converter(row[0]), row[1], row[2])
+            for row in cursor.fetchall()
+        ]
+
+    def get_table_description(self, cursor, table_name):
+        """
+        Return a description of the table with the DB-API cursor.description
+        interface.
+        """
+        # A default collation for the given table/view/materialized view.
+        cursor.execute(
+            """
+            SELECT user_tables.default_collation
+            FROM user_tables
+            WHERE
+                user_tables.table_name = UPPER(%s) AND
+                NOT EXISTS (
+                    SELECT 1
+                    FROM user_mviews
+                    WHERE user_mviews.mview_name = user_tables.table_name
+                )
+            UNION ALL
+            SELECT user_views.default_collation
+            FROM user_views
+            WHERE user_views.view_name = UPPER(%s)
+            UNION ALL
+            SELECT user_mviews.default_collation
+            FROM user_mviews
+            WHERE user_mviews.mview_name = UPPER(%s)
+            """,
+            [table_name, table_name, table_name],
+        )
+        row = cursor.fetchone()
+        default_table_collation = row[0] if row else ""
+        # user_tab_columns gives data default for columns
+        cursor.execute(
+            """
+            SELECT
+                user_tab_cols.column_name,
+                user_tab_cols.data_default,
+                CASE
+                    WHEN user_tab_cols.collation = %s
+                    THEN NULL
+                    ELSE user_tab_cols.collation
+                END collation,
+                CASE
+                    WHEN user_tab_cols.char_used IS NULL
+                    THEN user_tab_cols.data_length
+                    ELSE user_tab_cols.char_length
+                END as display_size,
+                CASE
+                    WHEN user_tab_cols.identity_column = 'YES' THEN 1
+                    ELSE 0
+                END as is_autofield,
+                CASE
+                    WHEN EXISTS (
+                        SELECT  1
+                        FROM user_json_columns
+                        WHERE
+                            user_json_columns.table_name = user_tab_cols.table_name AND
+                            user_json_columns.column_name = user_tab_cols.column_name
+                    )
+                    THEN 1
+                    ELSE 0
+                END as is_json,
+                user_col_comments.comments as col_comment
+            FROM user_tab_cols
+            LEFT OUTER JOIN
+                user_col_comments ON
+                user_col_comments.column_name = user_tab_cols.column_name AND
+                user_col_comments.table_name = user_tab_cols.table_name
+            WHERE user_tab_cols.table_name = UPPER(%s)
+            """,
+            [default_table_collation, table_name],
+        )
+        field_map = {
+            column: (
+                display_size,
+                default.rstrip() if default and default != "NULL" else None,
+                collation,
+                is_autofield,
+                is_json,
+                comment,
+            )
+            for (
+                column,
+                default,
+                collation,
+                display_size,
+                is_autofield,
+                is_json,
+                comment,
+            ) in cursor.fetchall()
+        }
+        self.cache_bust_counter += 1
+        cursor.execute(
+            "SELECT * FROM {} WHERE ROWNUM < 2 AND {} > 0".format(
+                self.connection.ops.quote_name(table_name), self.cache_bust_counter
+            )
+        )
+        description = []
+        for desc in cursor.description:
+            name = desc[0]
+            (
+                display_size,
+                default,
+                collation,
+                is_autofield,
+                is_json,
+                comment,
+            ) = field_map[name]
+            name %= {}  # oracledb, for some reason, doubles percent signs.
+            description.append(
+                FieldInfo(
+                    self.identifier_converter(name),
+                    desc[1],
+                    display_size,
+                    desc[3],
+                    desc[4] or 0,
+                    desc[5] or 0,
+                    *desc[6:],
+                    default,
+                    collation,
+                    is_autofield,
+                    is_json,
+                    comment,
+                )
+            )
+        return description
+
+    def identifier_converter(self, name):
+        """Identifier comparison is case insensitive under Oracle."""
+        return name.lower()
+
+    def get_sequences(self, cursor, table_name, table_fields=()):
+        cursor.execute(
+            """
+            SELECT
+                user_tab_identity_cols.sequence_name,
+                user_tab_identity_cols.column_name
+            FROM
+                user_tab_identity_cols,
+                user_constraints,
+                user_cons_columns cols
+            WHERE
+                user_constraints.constraint_name = cols.constraint_name
+                AND user_constraints.table_name = user_tab_identity_cols.table_name
+                AND cols.column_name = user_tab_identity_cols.column_name
+                AND user_constraints.constraint_type = 'P'
+                AND user_tab_identity_cols.table_name = UPPER(%s)
+            """,
+            [table_name],
+        )
+        # Oracle allows only one identity column per table.
+        row = cursor.fetchone()
+        if row:
+            return [
+                {
+                    "name": self.identifier_converter(row[0]),
+                    "table": self.identifier_converter(table_name),
+                    "column": self.identifier_converter(row[1]),
+                }
+            ]
+        # To keep backward compatibility for AutoFields that aren't Oracle
+        # identity columns.
+        for f in table_fields:
+            if isinstance(f, models.AutoField):
+                return [{"table": table_name, "column": f.column}]
+        return []
+
+    def get_relations(self, cursor, table_name):
+        """
+        Return a dictionary of {field_name: (field_name_other_table, other_table)}
+        representing all foreign keys in the given table.
+        """
+        table_name = table_name.upper()
+        cursor.execute(
+            """
+    SELECT ca.column_name, cb.table_name, cb.column_name
+    FROM   user_constraints, USER_CONS_COLUMNS ca, USER_CONS_COLUMNS cb
+    WHERE  user_constraints.table_name = %s AND
+           user_constraints.constraint_name = ca.constraint_name AND
+           user_constraints.r_constraint_name = cb.constraint_name AND
+           ca.position = cb.position""",
+            [table_name],
+        )
+
+        return {
+            self.identifier_converter(field_name): (
+                self.identifier_converter(rel_field_name),
+                self.identifier_converter(rel_table_name),
+            )
+            for field_name, rel_table_name, rel_field_name in cursor.fetchall()
+        }
+
+    def get_primary_key_columns(self, cursor, table_name):
+        cursor.execute(
+            """
+            SELECT
+                cols.column_name
+            FROM
+                user_constraints,
+                user_cons_columns cols
+            WHERE
+                user_constraints.constraint_name = cols.constraint_name AND
+                user_constraints.constraint_type = 'P' AND
+                user_constraints.table_name = UPPER(%s)
+            ORDER BY
+                cols.position
+            """,
+            [table_name],
+        )
+        return [self.identifier_converter(row[0]) for row in cursor.fetchall()]
+
+    def get_constraints(self, cursor, table_name):
+        """
+        Retrieve any constraints or keys (unique, pk, fk, check, index) across
+        one or more columns.
+        """
+        constraints = {}
+        # Loop over the constraints, getting PKs, uniques, and checks
+        cursor.execute(
+            """
+            SELECT
+                user_constraints.constraint_name,
+                LISTAGG(LOWER(cols.column_name), ',')
+                    WITHIN GROUP (ORDER BY cols.position),
+                CASE user_constraints.constraint_type
+                    WHEN 'P' THEN 1
+                    ELSE 0
+                END AS is_primary_key,
+                CASE
+                    WHEN user_constraints.constraint_type IN ('P', 'U') THEN 1
+                    ELSE 0
+                END AS is_unique,
+                CASE user_constraints.constraint_type
+                    WHEN 'C' THEN 1
+                    ELSE 0
+                END AS is_check_constraint
+            FROM
+                user_constraints
+            LEFT OUTER JOIN
+                user_cons_columns cols
+                ON user_constraints.constraint_name = cols.constraint_name
+            WHERE
+                user_constraints.constraint_type = ANY('P', 'U', 'C')
+                AND user_constraints.table_name = UPPER(%s)
+            GROUP BY user_constraints.constraint_name, user_constraints.constraint_type
+            """,
+            [table_name],
+        )
+        for constraint, columns, pk, unique, check in cursor.fetchall():
+            constraint = self.identifier_converter(constraint)
+            constraints[constraint] = {
+                "columns": columns.split(","),
+                "primary_key": pk,
+                "unique": unique,
+                "foreign_key": None,
+                "check": check,
+                "index": unique,  # All uniques come with an index
+            }
+        # Foreign key constraints
+        cursor.execute(
+            """
+            SELECT
+                cons.constraint_name,
+                LISTAGG(LOWER(cols.column_name), ',')
+                    WITHIN GROUP (ORDER BY cols.position),
+                LOWER(rcols.table_name),
+                LOWER(rcols.column_name)
+            FROM
+                user_constraints cons
+            INNER JOIN
+                user_cons_columns rcols
+                ON rcols.constraint_name = cons.r_constraint_name AND rcols.position = 1
+            LEFT OUTER JOIN
+                user_cons_columns cols
+                ON cons.constraint_name = cols.constraint_name
+            WHERE
+                cons.constraint_type = 'R' AND
+                cons.table_name = UPPER(%s)
+            GROUP BY cons.constraint_name, rcols.table_name, rcols.column_name
+            """,
+            [table_name],
+        )
+        for constraint, columns, other_table, other_column in cursor.fetchall():
+            constraint = self.identifier_converter(constraint)
+            constraints[constraint] = {
+                "primary_key": False,
+                "unique": False,
+                "foreign_key": (other_table, other_column),
+                "check": False,
+                "index": False,
+                "columns": columns.split(","),
+            }
+        # Now get indexes
+        cursor.execute(
+            """
+            SELECT
+                ind.index_name,
+                LOWER(ind.index_type),
+                LOWER(ind.uniqueness),
+                LISTAGG(LOWER(cols.column_name), ',')
+                    WITHIN GROUP (ORDER BY cols.column_position),
+                LISTAGG(cols.descend, ',') WITHIN GROUP (ORDER BY cols.column_position)
+            FROM
+                user_ind_columns cols, user_indexes ind
+            WHERE
+                cols.table_name = UPPER(%s) AND
+                NOT EXISTS (
+                    SELECT 1
+                    FROM user_constraints cons
+                    WHERE ind.index_name = cons.index_name
+                ) AND cols.index_name = ind.index_name
+            GROUP BY ind.index_name, ind.index_type, ind.uniqueness
+            """,
+            [table_name],
+        )
+        for constraint, type_, unique, columns, orders in cursor.fetchall():
+            constraint = self.identifier_converter(constraint)
+            constraints[constraint] = {
+                "primary_key": False,
+                "unique": unique == "unique",
+                "foreign_key": None,
+                "check": False,
+                "index": True,
+                "type": "idx" if type_ == "normal" else type_,
+                "columns": columns.split(","),
+                "orders": orders.split(","),
+            }
+        return constraints
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/operations.py
new file mode 100644
index 00000000..8d2bb00c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/operations.py
@@ -0,0 +1,724 @@
+import datetime
+import uuid
+from functools import lru_cache
+
+from django.conf import settings
+from django.db import DatabaseError, NotSupportedError
+from django.db.backends.base.operations import BaseDatabaseOperations
+from django.db.backends.utils import split_tzname_delta, strip_quotes, truncate_name
+from django.db.models import AutoField, Exists, ExpressionWrapper, Lookup
+from django.db.models.expressions import RawSQL
+from django.db.models.sql.where import WhereNode
+from django.utils import timezone
+from django.utils.encoding import force_bytes, force_str
+from django.utils.functional import cached_property
+from django.utils.regex_helper import _lazy_re_compile
+
+from .base import Database
+from .utils import BulkInsertMapper, InsertVar, Oracle_datetime
+
+
+class DatabaseOperations(BaseDatabaseOperations):
+    # Oracle uses NUMBER(5), NUMBER(11), and NUMBER(19) for integer fields.
+    # SmallIntegerField uses NUMBER(11) instead of NUMBER(5), which is used by
+    # SmallAutoField, to preserve backward compatibility.
+    integer_field_ranges = {
+        "SmallIntegerField": (-99999999999, 99999999999),
+        "IntegerField": (-99999999999, 99999999999),
+        "BigIntegerField": (-9999999999999999999, 9999999999999999999),
+        "PositiveBigIntegerField": (0, 9999999999999999999),
+        "PositiveSmallIntegerField": (0, 99999999999),
+        "PositiveIntegerField": (0, 99999999999),
+        "SmallAutoField": (-99999, 99999),
+        "AutoField": (-99999999999, 99999999999),
+        "BigAutoField": (-9999999999999999999, 9999999999999999999),
+    }
+    set_operators = {**BaseDatabaseOperations.set_operators, "difference": "MINUS"}
+
+    # TODO: colorize this SQL code with style.SQL_KEYWORD(), etc.
+    _sequence_reset_sql = """
+DECLARE
+    table_value integer;
+    seq_value integer;
+    seq_name user_tab_identity_cols.sequence_name%%TYPE;
+BEGIN
+    BEGIN
+        SELECT sequence_name INTO seq_name FROM user_tab_identity_cols
+        WHERE  table_name = '%(table_name)s' AND
+               column_name = '%(column_name)s';
+        EXCEPTION WHEN NO_DATA_FOUND THEN
+            seq_name := '%(no_autofield_sequence_name)s';
+    END;
+
+    SELECT NVL(MAX(%(column)s), 0) INTO table_value FROM %(table)s;
+    SELECT NVL(last_number - cache_size, 0) INTO seq_value FROM user_sequences
+           WHERE sequence_name = seq_name;
+    WHILE table_value > seq_value LOOP
+        EXECUTE IMMEDIATE 'SELECT "'||seq_name||'".nextval FROM DUAL'
+        INTO seq_value;
+    END LOOP;
+END;
+/"""
+
+    # Oracle doesn't support string without precision; use the max string size.
+    cast_char_field_without_max_length = "NVARCHAR2(2000)"
+    cast_data_types = {
+        "AutoField": "NUMBER(11)",
+        "BigAutoField": "NUMBER(19)",
+        "SmallAutoField": "NUMBER(5)",
+        "TextField": cast_char_field_without_max_length,
+    }
+
+    def cache_key_culling_sql(self):
+        cache_key = self.quote_name("cache_key")
+        return (
+            f"SELECT {cache_key} "
+            f"FROM %s "
+            f"ORDER BY {cache_key} OFFSET %%s ROWS FETCH FIRST 1 ROWS ONLY"
+        )
+
+    # EXTRACT format cannot be passed in parameters.
+    _extract_format_re = _lazy_re_compile(r"[A-Z_]+")
+
+    def date_extract_sql(self, lookup_type, sql, params):
+        extract_sql = f"TO_CHAR({sql}, %s)"
+        extract_param = None
+        if lookup_type == "week_day":
+            # TO_CHAR(field, 'D') returns an integer from 1-7, where 1=Sunday.
+            extract_param = "D"
+        elif lookup_type == "iso_week_day":
+            extract_sql = f"TO_CHAR({sql} - 1, %s)"
+            extract_param = "D"
+        elif lookup_type == "week":
+            # IW = ISO week number
+            extract_param = "IW"
+        elif lookup_type == "quarter":
+            extract_param = "Q"
+        elif lookup_type == "iso_year":
+            extract_param = "IYYY"
+        else:
+            lookup_type = lookup_type.upper()
+            if not self._extract_format_re.fullmatch(lookup_type):
+                raise ValueError(f"Invalid loookup type: {lookup_type!r}")
+            # https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf/EXTRACT-datetime.html
+            return f"EXTRACT({lookup_type} FROM {sql})", params
+        return extract_sql, (*params, extract_param)
+
+    def date_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        # https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf/ROUND-and-TRUNC-Date-Functions.html
+        trunc_param = None
+        if lookup_type in ("year", "month"):
+            trunc_param = lookup_type.upper()
+        elif lookup_type == "quarter":
+            trunc_param = "Q"
+        elif lookup_type == "week":
+            trunc_param = "IW"
+        else:
+            return f"TRUNC({sql})", params
+        return f"TRUNC({sql}, %s)", (*params, trunc_param)
+
+    # Oracle crashes with "ORA-03113: end-of-file on communication channel"
+    # if the time zone name is passed in parameter. Use interpolation instead.
+    # https://groups.google.com/forum/#!msg/django-developers/zwQju7hbG78/9l934yelwfsJ
+    # This regexp matches all time zone names from the zoneinfo database.
+    _tzname_re = _lazy_re_compile(r"^[\w/:+-]+$")
+
+    def _prepare_tzname_delta(self, tzname):
+        tzname, sign, offset = split_tzname_delta(tzname)
+        return f"{sign}{offset}" if offset else tzname
+
+    def _convert_sql_to_tz(self, sql, params, tzname):
+        if not (settings.USE_TZ and tzname):
+            return sql, params
+        if not self._tzname_re.match(tzname):
+            raise ValueError("Invalid time zone name: %s" % tzname)
+        # Convert from connection timezone to the local time, returning
+        # TIMESTAMP WITH TIME ZONE and cast it back to TIMESTAMP to strip the
+        # TIME ZONE details.
+        if self.connection.timezone_name != tzname:
+            from_timezone_name = self.connection.timezone_name
+            to_timezone_name = self._prepare_tzname_delta(tzname)
+            return (
+                f"CAST((FROM_TZ({sql}, '{from_timezone_name}') AT TIME ZONE "
+                f"'{to_timezone_name}') AS TIMESTAMP)",
+                params,
+            )
+        return sql, params
+
+    def datetime_cast_date_sql(self, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return f"TRUNC({sql})", params
+
+    def datetime_cast_time_sql(self, sql, params, tzname):
+        # Since `TimeField` values are stored as TIMESTAMP change to the
+        # default date and convert the field to the specified timezone.
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        convert_datetime_sql = (
+            f"TO_TIMESTAMP(CONCAT('1900-01-01 ', TO_CHAR({sql}, 'HH24:MI:SS.FF')), "
+            f"'YYYY-MM-DD HH24:MI:SS.FF')"
+        )
+        return (
+            f"CASE WHEN {sql} IS NOT NULL THEN {convert_datetime_sql} ELSE NULL END",
+            (*params, *params),
+        )
+
+    def datetime_extract_sql(self, lookup_type, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return self.date_extract_sql(lookup_type, sql, params)
+
+    def datetime_trunc_sql(self, lookup_type, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        # https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf/ROUND-and-TRUNC-Date-Functions.html
+        trunc_param = None
+        if lookup_type in ("year", "month"):
+            trunc_param = lookup_type.upper()
+        elif lookup_type == "quarter":
+            trunc_param = "Q"
+        elif lookup_type == "week":
+            trunc_param = "IW"
+        elif lookup_type == "hour":
+            trunc_param = "HH24"
+        elif lookup_type == "minute":
+            trunc_param = "MI"
+        elif lookup_type == "day":
+            return f"TRUNC({sql})", params
+        else:
+            # Cast to DATE removes sub-second precision.
+            return f"CAST({sql} AS DATE)", params
+        return f"TRUNC({sql}, %s)", (*params, trunc_param)
+
+    def time_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        # The implementation is similar to `datetime_trunc_sql` as both
+        # `DateTimeField` and `TimeField` are stored as TIMESTAMP where
+        # the date part of the later is ignored.
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        trunc_param = None
+        if lookup_type == "hour":
+            trunc_param = "HH24"
+        elif lookup_type == "minute":
+            trunc_param = "MI"
+        elif lookup_type == "second":
+            # Cast to DATE removes sub-second precision.
+            return f"CAST({sql} AS DATE)", params
+        return f"TRUNC({sql}, %s)", (*params, trunc_param)
+
+    def get_db_converters(self, expression):
+        converters = super().get_db_converters(expression)
+        internal_type = expression.output_field.get_internal_type()
+        if internal_type in ["JSONField", "TextField"]:
+            converters.append(self.convert_textfield_value)
+        elif internal_type == "BinaryField":
+            converters.append(self.convert_binaryfield_value)
+        elif internal_type == "BooleanField":
+            converters.append(self.convert_booleanfield_value)
+        elif internal_type == "DateTimeField":
+            if settings.USE_TZ:
+                converters.append(self.convert_datetimefield_value)
+        elif internal_type == "DateField":
+            converters.append(self.convert_datefield_value)
+        elif internal_type == "TimeField":
+            converters.append(self.convert_timefield_value)
+        elif internal_type == "UUIDField":
+            converters.append(self.convert_uuidfield_value)
+        # Oracle stores empty strings as null. If the field accepts the empty
+        # string, undo this to adhere to the Django convention of using
+        # the empty string instead of null.
+        if expression.output_field.empty_strings_allowed:
+            converters.append(
+                self.convert_empty_bytes
+                if internal_type == "BinaryField"
+                else self.convert_empty_string
+            )
+        return converters
+
+    def convert_textfield_value(self, value, expression, connection):
+        if isinstance(value, Database.LOB):
+            value = value.read()
+        return value
+
+    def convert_binaryfield_value(self, value, expression, connection):
+        if isinstance(value, Database.LOB):
+            value = force_bytes(value.read())
+        return value
+
+    def convert_booleanfield_value(self, value, expression, connection):
+        if value in (0, 1):
+            value = bool(value)
+        return value
+
+    # oracledb always returns datetime.datetime objects for
+    # DATE and TIMESTAMP columns, but Django wants to see a
+    # python datetime.date, .time, or .datetime.
+
+    def convert_datetimefield_value(self, value, expression, connection):
+        if value is not None:
+            value = timezone.make_aware(value, self.connection.timezone)
+        return value
+
+    def convert_datefield_value(self, value, expression, connection):
+        if isinstance(value, Database.Timestamp):
+            value = value.date()
+        return value
+
+    def convert_timefield_value(self, value, expression, connection):
+        if isinstance(value, Database.Timestamp):
+            value = value.time()
+        return value
+
+    def convert_uuidfield_value(self, value, expression, connection):
+        if value is not None:
+            value = uuid.UUID(value)
+        return value
+
+    @staticmethod
+    def convert_empty_string(value, expression, connection):
+        return "" if value is None else value
+
+    @staticmethod
+    def convert_empty_bytes(value, expression, connection):
+        return b"" if value is None else value
+
+    def deferrable_sql(self):
+        return " DEFERRABLE INITIALLY DEFERRED"
+
+    def fetch_returned_insert_columns(self, cursor, returning_params):
+        columns = []
+        for param in returning_params:
+            value = param.get_value()
+            # Can be removed when cx_Oracle is no longer supported and
+            # python-oracle 2.1.2 becomes the minimum supported version.
+            if value == []:
+                raise DatabaseError(
+                    "The database did not return a new row id. Probably "
+                    '"ORA-1403: no data found" was raised internally but was '
+                    "hidden by the Oracle OCI library (see "
+                    "https://code.djangoproject.com/ticket/28859)."
+                )
+            columns.append(value[0])
+        return tuple(columns)
+
+    def no_limit_value(self):
+        return None
+
+    def limit_offset_sql(self, low_mark, high_mark):
+        fetch, offset = self._get_limit_offset_params(low_mark, high_mark)
+        return " ".join(
+            sql
+            for sql in (
+                ("OFFSET %d ROWS" % offset) if offset else None,
+                ("FETCH FIRST %d ROWS ONLY" % fetch) if fetch else None,
+            )
+            if sql
+        )
+
+    def last_executed_query(self, cursor, sql, params):
+        # https://python-oracledb.readthedocs.io/en/latest/api_manual/cursor.html#Cursor.statement
+        # The DB API definition does not define this attribute.
+        statement = cursor.statement
+        # Unlike Psycopg's `query` and MySQLdb`'s `_executed`, oracledb's
+        # `statement` doesn't contain the query parameters. Substitute
+        # parameters manually.
+        if params:
+            if isinstance(params, (tuple, list)):
+                params = {
+                    f":arg{i}": param for i, param in enumerate(dict.fromkeys(params))
+                }
+            elif isinstance(params, dict):
+                params = {f":{key}": val for (key, val) in params.items()}
+            for key in sorted(params, key=len, reverse=True):
+                statement = statement.replace(
+                    key, force_str(params[key], errors="replace")
+                )
+        return statement
+
+    def last_insert_id(self, cursor, table_name, pk_name):
+        sq_name = self._get_sequence_name(cursor, strip_quotes(table_name), pk_name)
+        cursor.execute('"%s".currval' % sq_name)
+        return cursor.fetchone()[0]
+
+    def lookup_cast(self, lookup_type, internal_type=None):
+        if lookup_type in ("iexact", "icontains", "istartswith", "iendswith"):
+            return "UPPER(%s)"
+        if (
+            lookup_type != "isnull" and internal_type in ("BinaryField", "TextField")
+        ) or (lookup_type == "exact" and internal_type == "JSONField"):
+            return "DBMS_LOB.SUBSTR(%s)"
+        return "%s"
+
+    def max_in_list_size(self):
+        return 1000
+
+    def max_name_length(self):
+        return 30
+
+    def pk_default_value(self):
+        return "NULL"
+
+    def prep_for_iexact_query(self, x):
+        return x
+
+    def process_clob(self, value):
+        if value is None:
+            return ""
+        return value.read()
+
+    def quote_name(self, name):
+        # SQL92 requires delimited (quoted) names to be case-sensitive.  When
+        # not quoted, Oracle has case-insensitive behavior for identifiers, but
+        # always defaults to uppercase.
+        # We simplify things by making Oracle identifiers always uppercase.
+        if not name.startswith('"') and not name.endswith('"'):
+            name = '"%s"' % truncate_name(name, self.max_name_length())
+        # Oracle puts the query text into a (query % args) construct, so % signs
+        # in names need to be escaped. The '%%' will be collapsed back to '%' at
+        # that stage so we aren't really making the name longer here.
+        name = name.replace("%", "%%")
+        return name.upper()
+
+    def regex_lookup(self, lookup_type):
+        if lookup_type == "regex":
+            match_option = "'c'"
+        else:
+            match_option = "'i'"
+        return "REGEXP_LIKE(%%s, %%s, %s)" % match_option
+
+    def return_insert_columns(self, fields):
+        if not fields:
+            return "", ()
+        field_names = []
+        params = []
+        for field in fields:
+            field_names.append(
+                "%s.%s"
+                % (
+                    self.quote_name(field.model._meta.db_table),
+                    self.quote_name(field.column),
+                )
+            )
+            params.append(InsertVar(field))
+        return "RETURNING %s INTO %s" % (
+            ", ".join(field_names),
+            ", ".join(["%s"] * len(params)),
+        ), tuple(params)
+
+    def __foreign_key_constraints(self, table_name, recursive):
+        with self.connection.cursor() as cursor:
+            if recursive:
+                cursor.execute(
+                    """
+                    SELECT
+                        user_tables.table_name, rcons.constraint_name
+                    FROM
+                        user_tables
+                    JOIN
+                        user_constraints cons
+                        ON (user_tables.table_name = cons.table_name
+                        AND cons.constraint_type = ANY('P', 'U'))
+                    LEFT JOIN
+                        user_constraints rcons
+                        ON (user_tables.table_name = rcons.table_name
+                        AND rcons.constraint_type = 'R')
+                    START WITH user_tables.table_name = UPPER(%s)
+                    CONNECT BY
+                        NOCYCLE PRIOR cons.constraint_name = rcons.r_constraint_name
+                    GROUP BY
+                        user_tables.table_name, rcons.constraint_name
+                    HAVING user_tables.table_name != UPPER(%s)
+                    ORDER BY MAX(level) DESC
+                    """,
+                    (table_name, table_name),
+                )
+            else:
+                cursor.execute(
+                    """
+                    SELECT
+                        cons.table_name, cons.constraint_name
+                    FROM
+                        user_constraints cons
+                    WHERE
+                        cons.constraint_type = 'R'
+                        AND cons.table_name = UPPER(%s)
+                    """,
+                    (table_name,),
+                )
+            return cursor.fetchall()
+
+    @cached_property
+    def _foreign_key_constraints(self):
+        # 512 is large enough to fit the ~330 tables (as of this writing) in
+        # Django's test suite.
+        return lru_cache(maxsize=512)(self.__foreign_key_constraints)
+
+    def sql_flush(self, style, tables, *, reset_sequences=False, allow_cascade=False):
+        if not tables:
+            return []
+
+        truncated_tables = {table.upper() for table in tables}
+        constraints = set()
+        # Oracle's TRUNCATE CASCADE only works with ON DELETE CASCADE foreign
+        # keys which Django doesn't define. Emulate the PostgreSQL behavior
+        # which truncates all dependent tables by manually retrieving all
+        # foreign key constraints and resolving dependencies.
+        for table in tables:
+            for foreign_table, constraint in self._foreign_key_constraints(
+                table, recursive=allow_cascade
+            ):
+                if allow_cascade:
+                    truncated_tables.add(foreign_table)
+                constraints.add((foreign_table, constraint))
+        sql = (
+            [
+                "%s %s %s %s %s %s %s %s;"
+                % (
+                    style.SQL_KEYWORD("ALTER"),
+                    style.SQL_KEYWORD("TABLE"),
+                    style.SQL_FIELD(self.quote_name(table)),
+                    style.SQL_KEYWORD("DISABLE"),
+                    style.SQL_KEYWORD("CONSTRAINT"),
+                    style.SQL_FIELD(self.quote_name(constraint)),
+                    style.SQL_KEYWORD("KEEP"),
+                    style.SQL_KEYWORD("INDEX"),
+                )
+                for table, constraint in constraints
+            ]
+            + [
+                "%s %s %s;"
+                % (
+                    style.SQL_KEYWORD("TRUNCATE"),
+                    style.SQL_KEYWORD("TABLE"),
+                    style.SQL_FIELD(self.quote_name(table)),
+                )
+                for table in truncated_tables
+            ]
+            + [
+                "%s %s %s %s %s %s;"
+                % (
+                    style.SQL_KEYWORD("ALTER"),
+                    style.SQL_KEYWORD("TABLE"),
+                    style.SQL_FIELD(self.quote_name(table)),
+                    style.SQL_KEYWORD("ENABLE"),
+                    style.SQL_KEYWORD("CONSTRAINT"),
+                    style.SQL_FIELD(self.quote_name(constraint)),
+                )
+                for table, constraint in constraints
+            ]
+        )
+        if reset_sequences:
+            sequences = [
+                sequence
+                for sequence in self.connection.introspection.sequence_list()
+                if sequence["table"].upper() in truncated_tables
+            ]
+            # Since we've just deleted all the rows, running our sequence ALTER
+            # code will reset the sequence to 0.
+            sql.extend(self.sequence_reset_by_name_sql(style, sequences))
+        return sql
+
+    def sequence_reset_by_name_sql(self, style, sequences):
+        sql = []
+        for sequence_info in sequences:
+            no_autofield_sequence_name = self._get_no_autofield_sequence_name(
+                sequence_info["table"]
+            )
+            table = self.quote_name(sequence_info["table"])
+            column = self.quote_name(sequence_info["column"] or "id")
+            query = self._sequence_reset_sql % {
+                "no_autofield_sequence_name": no_autofield_sequence_name,
+                "table": table,
+                "column": column,
+                "table_name": strip_quotes(table),
+                "column_name": strip_quotes(column),
+            }
+            sql.append(query)
+        return sql
+
+    def sequence_reset_sql(self, style, model_list):
+        output = []
+        query = self._sequence_reset_sql
+        for model in model_list:
+            for f in model._meta.local_fields:
+                if isinstance(f, AutoField):
+                    no_autofield_sequence_name = self._get_no_autofield_sequence_name(
+                        model._meta.db_table
+                    )
+                    table = self.quote_name(model._meta.db_table)
+                    column = self.quote_name(f.column)
+                    output.append(
+                        query
+                        % {
+                            "no_autofield_sequence_name": no_autofield_sequence_name,
+                            "table": table,
+                            "column": column,
+                            "table_name": strip_quotes(table),
+                            "column_name": strip_quotes(column),
+                        }
+                    )
+                    # Only one AutoField is allowed per model, so don't
+                    # continue to loop
+                    break
+        return output
+
+    def start_transaction_sql(self):
+        return ""
+
+    def tablespace_sql(self, tablespace, inline=False):
+        if inline:
+            return "USING INDEX TABLESPACE %s" % self.quote_name(tablespace)
+        else:
+            return "TABLESPACE %s" % self.quote_name(tablespace)
+
+    def adapt_datefield_value(self, value):
+        """
+        Transform a date value to an object compatible with what is expected
+        by the backend driver for date columns.
+        The default implementation transforms the date to text, but that is not
+        necessary for Oracle.
+        """
+        return value
+
+    def adapt_datetimefield_value(self, value):
+        """
+        Transform a datetime value to an object compatible with what is expected
+        by the backend driver for datetime columns.
+
+        If naive datetime is passed assumes that is in UTC. Normally Django
+        models.DateTimeField makes sure that if USE_TZ is True passed datetime
+        is timezone aware.
+        """
+
+        if value is None:
+            return None
+
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        # oracledb doesn't support tz-aware datetimes
+        if timezone.is_aware(value):
+            if settings.USE_TZ:
+                value = timezone.make_naive(value, self.connection.timezone)
+            else:
+                raise ValueError(
+                    "Oracle backend does not support timezone-aware datetimes when "
+                    "USE_TZ is False."
+                )
+
+        return Oracle_datetime.from_datetime(value)
+
+    def adapt_timefield_value(self, value):
+        if value is None:
+            return None
+
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        if isinstance(value, str):
+            return datetime.datetime.strptime(value, "%H:%M:%S")
+
+        # Oracle doesn't support tz-aware times
+        if timezone.is_aware(value):
+            raise ValueError("Oracle backend does not support timezone-aware times.")
+
+        return Oracle_datetime(
+            1900, 1, 1, value.hour, value.minute, value.second, value.microsecond
+        )
+
+    def adapt_decimalfield_value(self, value, max_digits=None, decimal_places=None):
+        return value
+
+    def combine_expression(self, connector, sub_expressions):
+        lhs, rhs = sub_expressions
+        if connector == "%%":
+            return "MOD(%s)" % ",".join(sub_expressions)
+        elif connector == "&":
+            return "BITAND(%s)" % ",".join(sub_expressions)
+        elif connector == "|":
+            return "BITAND(-%(lhs)s-1,%(rhs)s)+%(lhs)s" % {"lhs": lhs, "rhs": rhs}
+        elif connector == "<<":
+            return "(%(lhs)s * POWER(2, %(rhs)s))" % {"lhs": lhs, "rhs": rhs}
+        elif connector == ">>":
+            return "FLOOR(%(lhs)s / POWER(2, %(rhs)s))" % {"lhs": lhs, "rhs": rhs}
+        elif connector == "^":
+            return "POWER(%s)" % ",".join(sub_expressions)
+        elif connector == "#":
+            raise NotSupportedError("Bitwise XOR is not supported in Oracle.")
+        return super().combine_expression(connector, sub_expressions)
+
+    def _get_no_autofield_sequence_name(self, table):
+        """
+        Manually created sequence name to keep backward compatibility for
+        AutoFields that aren't Oracle identity columns.
+        """
+        name_length = self.max_name_length() - 3
+        return "%s_SQ" % truncate_name(strip_quotes(table), name_length).upper()
+
+    def _get_sequence_name(self, cursor, table, pk_name):
+        cursor.execute(
+            """
+            SELECT sequence_name
+            FROM user_tab_identity_cols
+            WHERE table_name = UPPER(%s)
+            AND column_name = UPPER(%s)""",
+            [table, pk_name],
+        )
+        row = cursor.fetchone()
+        return self._get_no_autofield_sequence_name(table) if row is None else row[0]
+
+    def bulk_insert_sql(self, fields, placeholder_rows):
+        query = []
+        for row in placeholder_rows:
+            select = []
+            for i, placeholder in enumerate(row):
+                # A model without any fields has fields=[None].
+                if fields[i]:
+                    internal_type = getattr(
+                        fields[i], "target_field", fields[i]
+                    ).get_internal_type()
+                    placeholder = (
+                        BulkInsertMapper.types.get(internal_type, "%s") % placeholder
+                    )
+                # Add columns aliases to the first select to avoid "ORA-00918:
+                # column ambiguously defined" when two or more columns in the
+                # first select have the same value.
+                if not query:
+                    placeholder = "%s col_%s" % (placeholder, i)
+                select.append(placeholder)
+            query.append("SELECT %s FROM DUAL" % ", ".join(select))
+        # Bulk insert to tables with Oracle identity columns causes Oracle to
+        # add sequence.nextval to it. Sequence.nextval cannot be used with the
+        # UNION operator. To prevent incorrect SQL, move UNION to a subquery.
+        return "SELECT * FROM (%s)" % " UNION ALL ".join(query)
+
+    def subtract_temporals(self, internal_type, lhs, rhs):
+        if internal_type == "DateField":
+            lhs_sql, lhs_params = lhs
+            rhs_sql, rhs_params = rhs
+            params = (*lhs_params, *rhs_params)
+            return (
+                "NUMTODSINTERVAL(TO_NUMBER(%s - %s), 'DAY')" % (lhs_sql, rhs_sql),
+                params,
+            )
+        return super().subtract_temporals(internal_type, lhs, rhs)
+
+    def bulk_batch_size(self, fields, objs):
+        """Oracle restricts the number of parameters in a query."""
+        if fields:
+            return self.connection.features.max_query_params // len(fields)
+        return len(objs)
+
+    def conditional_expression_supported_in_where_clause(self, expression):
+        """
+        Oracle supports only EXISTS(...) or filters in the WHERE clause, others
+        must be compared with True.
+        """
+        if isinstance(expression, (Exists, Lookup, WhereNode)):
+            return True
+        if isinstance(expression, ExpressionWrapper) and expression.conditional:
+            return self.conditional_expression_supported_in_where_clause(
+                expression.expression
+            )
+        if isinstance(expression, RawSQL) and expression.conditional:
+            return True
+        return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/oracledb_any.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/oracledb_any.py
new file mode 100644
index 00000000..65d9f1d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/oracledb_any.py
@@ -0,0 +1,21 @@
+import warnings
+
+from django.core.exceptions import ImproperlyConfigured
+from django.utils.deprecation import RemovedInDjango60Warning
+
+try:
+    import oracledb
+
+    is_oracledb = True
+except ImportError as e:
+    try:
+        import cx_Oracle as oracledb  # NOQA
+
+        warnings.warn(
+            "cx_Oracle is deprecated. Use oracledb instead.",
+            RemovedInDjango60Warning,
+            stacklevel=2,
+        )
+        is_oracledb = False
+    except ImportError:
+        raise ImproperlyConfigured(f"Error loading oracledb module: {e}")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/schema.py
new file mode 100644
index 00000000..0d70522a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/schema.py
@@ -0,0 +1,250 @@
+import copy
+import datetime
+import re
+
+from django.db import DatabaseError
+from django.db.backends.base.schema import (
+    BaseDatabaseSchemaEditor,
+    _related_non_m2m_objects,
+)
+from django.utils.duration import duration_iso_string
+
+
+class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
+    sql_create_column = "ALTER TABLE %(table)s ADD %(column)s %(definition)s"
+    sql_alter_column_type = "MODIFY %(column)s %(type)s%(collation)s"
+    sql_alter_column_null = "MODIFY %(column)s NULL"
+    sql_alter_column_not_null = "MODIFY %(column)s NOT NULL"
+    sql_alter_column_default = "MODIFY %(column)s DEFAULT %(default)s"
+    sql_alter_column_no_default = "MODIFY %(column)s DEFAULT NULL"
+    sql_alter_column_no_default_null = sql_alter_column_no_default
+
+    sql_delete_column = "ALTER TABLE %(table)s DROP COLUMN %(column)s"
+    sql_create_column_inline_fk = (
+        "CONSTRAINT %(name)s REFERENCES %(to_table)s(%(to_column)s)%(deferrable)s"
+    )
+    sql_delete_table = "DROP TABLE %(table)s CASCADE CONSTRAINTS"
+    sql_create_index = "CREATE INDEX %(name)s ON %(table)s (%(columns)s)%(extra)s"
+
+    def quote_value(self, value):
+        if isinstance(value, (datetime.date, datetime.time, datetime.datetime)):
+            return "'%s'" % value
+        elif isinstance(value, datetime.timedelta):
+            return "'%s'" % duration_iso_string(value)
+        elif isinstance(value, str):
+            return "'%s'" % value.replace("'", "''")
+        elif isinstance(value, (bytes, bytearray, memoryview)):
+            return "'%s'" % value.hex()
+        elif isinstance(value, bool):
+            return "1" if value else "0"
+        else:
+            return str(value)
+
+    def remove_field(self, model, field):
+        # If the column is an identity column, drop the identity before
+        # removing the field.
+        if self._is_identity_column(model._meta.db_table, field.column):
+            self._drop_identity(model._meta.db_table, field.column)
+        super().remove_field(model, field)
+
+    def delete_model(self, model):
+        # Run superclass action
+        super().delete_model(model)
+        # Clean up manually created sequence.
+        self.execute(
+            """
+            DECLARE
+                i INTEGER;
+            BEGIN
+                SELECT COUNT(1) INTO i FROM USER_SEQUENCES
+                    WHERE SEQUENCE_NAME = '%(sq_name)s';
+                IF i = 1 THEN
+                    EXECUTE IMMEDIATE 'DROP SEQUENCE "%(sq_name)s"';
+                END IF;
+            END;
+        /"""
+            % {
+                "sq_name": self.connection.ops._get_no_autofield_sequence_name(
+                    model._meta.db_table
+                )
+            }
+        )
+
+    def alter_field(self, model, old_field, new_field, strict=False):
+        try:
+            super().alter_field(model, old_field, new_field, strict)
+        except DatabaseError as e:
+            description = str(e)
+            # If we're changing type to an unsupported type we need a
+            # SQLite-ish workaround
+            if "ORA-22858" in description or "ORA-22859" in description:
+                self._alter_field_type_workaround(model, old_field, new_field)
+            # If an identity column is changing to a non-numeric type, drop the
+            # identity first.
+            elif "ORA-30675" in description:
+                self._drop_identity(model._meta.db_table, old_field.column)
+                self.alter_field(model, old_field, new_field, strict)
+            # If a primary key column is changing to an identity column, drop
+            # the primary key first.
+            elif "ORA-30673" in description and old_field.primary_key:
+                self._delete_primary_key(model, strict=True)
+                self._alter_field_type_workaround(model, old_field, new_field)
+            # If a collation is changing on a primary key, drop the primary key
+            # first.
+            elif "ORA-43923" in description and old_field.primary_key:
+                self._delete_primary_key(model, strict=True)
+                self.alter_field(model, old_field, new_field, strict)
+                # Restore a primary key, if needed.
+                if new_field.primary_key:
+                    self.execute(self._create_primary_key_sql(model, new_field))
+            else:
+                raise
+
+    def _alter_field_type_workaround(self, model, old_field, new_field):
+        """
+        Oracle refuses to change from some type to other type.
+        What we need to do instead is:
+        - Add a nullable version of the desired field with a temporary name. If
+          the new column is an auto field, then the temporary column can't be
+          nullable.
+        - Update the table to transfer values from old to new
+        - Drop old column
+        - Rename the new column and possibly drop the nullable property
+        """
+        # Make a new field that's like the new one but with a temporary
+        # column name.
+        new_temp_field = copy.deepcopy(new_field)
+        new_temp_field.null = new_field.get_internal_type() not in (
+            "AutoField",
+            "BigAutoField",
+            "SmallAutoField",
+        )
+        new_temp_field.column = self._generate_temp_name(new_field.column)
+        # Add it
+        self.add_field(model, new_temp_field)
+        # Explicit data type conversion
+        # https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf
+        # /Data-Type-Comparison-Rules.html#GUID-D0C5A47E-6F93-4C2D-9E49-4F2B86B359DD
+        new_value = self.quote_name(old_field.column)
+        old_type = old_field.db_type(self.connection)
+        if re.match("^N?CLOB", old_type):
+            new_value = "TO_CHAR(%s)" % new_value
+            old_type = "VARCHAR2"
+        if re.match("^N?VARCHAR2", old_type):
+            new_internal_type = new_field.get_internal_type()
+            if new_internal_type == "DateField":
+                new_value = "TO_DATE(%s, 'YYYY-MM-DD')" % new_value
+            elif new_internal_type == "DateTimeField":
+                new_value = "TO_TIMESTAMP(%s, 'YYYY-MM-DD HH24:MI:SS.FF')" % new_value
+            elif new_internal_type == "TimeField":
+                # TimeField are stored as TIMESTAMP with a 1900-01-01 date part.
+                new_value = "CONCAT('1900-01-01 ', %s)" % new_value
+                new_value = "TO_TIMESTAMP(%s, 'YYYY-MM-DD HH24:MI:SS.FF')" % new_value
+        # Transfer values across
+        self.execute(
+            "UPDATE %s set %s=%s"
+            % (
+                self.quote_name(model._meta.db_table),
+                self.quote_name(new_temp_field.column),
+                new_value,
+            )
+        )
+        # Drop the old field
+        self.remove_field(model, old_field)
+        # Rename and possibly make the new field NOT NULL
+        super().alter_field(model, new_temp_field, new_field)
+        # Recreate foreign key (if necessary) because the old field is not
+        # passed to the alter_field() and data types of new_temp_field and
+        # new_field always match.
+        new_type = new_field.db_type(self.connection)
+        if (
+            (old_field.primary_key and new_field.primary_key)
+            or (old_field.unique and new_field.unique)
+        ) and old_type != new_type:
+            for _, rel in _related_non_m2m_objects(new_temp_field, new_field):
+                if rel.field.db_constraint:
+                    self.execute(
+                        self._create_fk_sql(rel.related_model, rel.field, "_fk")
+                    )
+
+    def _alter_column_type_sql(
+        self, model, old_field, new_field, new_type, old_collation, new_collation
+    ):
+        auto_field_types = {"AutoField", "BigAutoField", "SmallAutoField"}
+        # Drop the identity if migrating away from AutoField.
+        if (
+            old_field.get_internal_type() in auto_field_types
+            and new_field.get_internal_type() not in auto_field_types
+            and self._is_identity_column(model._meta.db_table, new_field.column)
+        ):
+            self._drop_identity(model._meta.db_table, new_field.column)
+        return super()._alter_column_type_sql(
+            model, old_field, new_field, new_type, old_collation, new_collation
+        )
+
+    def normalize_name(self, name):
+        """
+        Get the properly shortened and uppercased identifier as returned by
+        quote_name() but without the quotes.
+        """
+        nn = self.quote_name(name)
+        if nn[0] == '"' and nn[-1] == '"':
+            nn = nn[1:-1]
+        return nn
+
+    def _generate_temp_name(self, for_name):
+        """Generate temporary names for workarounds that need temp columns."""
+        suffix = hex(hash(for_name)).upper()[1:]
+        return self.normalize_name(for_name + "_" + suffix)
+
+    def prepare_default(self, value):
+        return self.quote_value(value)
+
+    def _field_should_be_indexed(self, model, field):
+        create_index = super()._field_should_be_indexed(model, field)
+        db_type = field.db_type(self.connection)
+        if (
+            db_type is not None
+            and db_type.lower() in self.connection._limited_data_types
+        ):
+            return False
+        return create_index
+
+    def _is_identity_column(self, table_name, column_name):
+        with self.connection.cursor() as cursor:
+            cursor.execute(
+                """
+                SELECT
+                    CASE WHEN identity_column = 'YES' THEN 1 ELSE 0 END
+                FROM user_tab_cols
+                WHERE table_name = %s AND
+                      column_name = %s
+                """,
+                [self.normalize_name(table_name), self.normalize_name(column_name)],
+            )
+            row = cursor.fetchone()
+            return row[0] if row else False
+
+    def _drop_identity(self, table_name, column_name):
+        self.execute(
+            "ALTER TABLE %(table)s MODIFY %(column)s DROP IDENTITY"
+            % {
+                "table": self.quote_name(table_name),
+                "column": self.quote_name(column_name),
+            }
+        )
+
+    def _get_default_collation(self, table_name):
+        with self.connection.cursor() as cursor:
+            cursor.execute(
+                """
+                SELECT default_collation FROM user_tables WHERE table_name = %s
+                """,
+                [self.normalize_name(table_name)],
+            )
+            return cursor.fetchone()[0]
+
+    def _collate_sql(self, collation, old_collation=None, table_name=None):
+        if collation is None and old_collation is not None:
+            collation = self._get_default_collation(table_name)
+        return super()._collate_sql(collation, old_collation, table_name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/utils.py
new file mode 100644
index 00000000..28be58c7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/utils.py
@@ -0,0 +1,99 @@
+import datetime
+import decimal
+
+from .base import Database
+
+
+class InsertVar:
+    """
+    A late-binding cursor variable that can be passed to Cursor.execute
+    as a parameter, in order to receive the id of the row created by an
+    insert statement.
+    """
+
+    types = {
+        "AutoField": int,
+        "BigAutoField": int,
+        "SmallAutoField": int,
+        "IntegerField": int,
+        "BigIntegerField": int,
+        "SmallIntegerField": int,
+        "PositiveBigIntegerField": int,
+        "PositiveSmallIntegerField": int,
+        "PositiveIntegerField": int,
+        "BooleanField": int,
+        "FloatField": Database.NATIVE_FLOAT,
+        "DateTimeField": Database.TIMESTAMP,
+        "DateField": Database.Date,
+        "DecimalField": decimal.Decimal,
+    }
+
+    def __init__(self, field):
+        internal_type = getattr(field, "target_field", field).get_internal_type()
+        self.db_type = self.types.get(internal_type, str)
+        self.bound_param = None
+
+    def bind_parameter(self, cursor):
+        self.bound_param = cursor.cursor.var(self.db_type)
+        return self.bound_param
+
+    def get_value(self):
+        return self.bound_param.getvalue()
+
+
+class Oracle_datetime(datetime.datetime):
+    """
+    A datetime object, with an additional class attribute
+    to tell oracledb to save the microseconds too.
+    """
+
+    input_size = Database.TIMESTAMP
+
+    @classmethod
+    def from_datetime(cls, dt):
+        return Oracle_datetime(
+            dt.year,
+            dt.month,
+            dt.day,
+            dt.hour,
+            dt.minute,
+            dt.second,
+            dt.microsecond,
+        )
+
+
+class BulkInsertMapper:
+    BLOB = "TO_BLOB(%s)"
+    DATE = "TO_DATE(%s)"
+    INTERVAL = "CAST(%s as INTERVAL DAY(9) TO SECOND(6))"
+    NCLOB = "TO_NCLOB(%s)"
+    NUMBER = "TO_NUMBER(%s)"
+    TIMESTAMP = "TO_TIMESTAMP(%s)"
+
+    types = {
+        "AutoField": NUMBER,
+        "BigAutoField": NUMBER,
+        "BigIntegerField": NUMBER,
+        "BinaryField": BLOB,
+        "BooleanField": NUMBER,
+        "DateField": DATE,
+        "DateTimeField": TIMESTAMP,
+        "DecimalField": NUMBER,
+        "DurationField": INTERVAL,
+        "FloatField": NUMBER,
+        "IntegerField": NUMBER,
+        "PositiveBigIntegerField": NUMBER,
+        "PositiveIntegerField": NUMBER,
+        "PositiveSmallIntegerField": NUMBER,
+        "SmallAutoField": NUMBER,
+        "SmallIntegerField": NUMBER,
+        "TextField": NCLOB,
+        "TimeField": TIMESTAMP,
+    }
+
+
+def dsn(settings_dict):
+    if settings_dict["PORT"]:
+        host = settings_dict["HOST"].strip() or "localhost"
+        return Database.makedsn(host, int(settings_dict["PORT"]), settings_dict["NAME"])
+    return settings_dict["NAME"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/validation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/validation.py
new file mode 100644
index 00000000..4035b120
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/oracle/validation.py
@@ -0,0 +1,22 @@
+from django.core import checks
+from django.db.backends.base.validation import BaseDatabaseValidation
+
+
+class DatabaseValidation(BaseDatabaseValidation):
+    def check_field_type(self, field, field_type):
+        """Oracle doesn't support a database index on some data types."""
+        errors = []
+        if field.db_index and field_type.lower() in self.connection._limited_data_types:
+            errors.append(
+                checks.Warning(
+                    "Oracle does not support a database index on %s columns."
+                    % field_type,
+                    hint=(
+                        "An index won't be created. Silence this warning if "
+                        "you don't care about it."
+                    ),
+                    obj=field,
+                    id="fields.W162",
+                )
+            )
+        return errors
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/base.py
new file mode 100644
index 00000000..c950a9a6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/base.py
@@ -0,0 +1,489 @@
+"""
+PostgreSQL database backend for Django.
+
+Requires psycopg2 >= 2.8.4 or psycopg >= 3.1.8
+"""
+
+import asyncio
+import threading
+import warnings
+from contextlib import contextmanager
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.db import DatabaseError as WrappedDatabaseError
+from django.db import connections
+from django.db.backends.base.base import BaseDatabaseWrapper
+from django.db.backends.utils import CursorDebugWrapper as BaseCursorDebugWrapper
+from django.utils.asyncio import async_unsafe
+from django.utils.functional import cached_property
+from django.utils.safestring import SafeString
+from django.utils.version import get_version_tuple
+
+try:
+    try:
+        import psycopg as Database
+    except ImportError:
+        import psycopg2 as Database
+except ImportError:
+    raise ImproperlyConfigured("Error loading psycopg2 or psycopg module")
+
+
+def psycopg_version():
+    version = Database.__version__.split(" ", 1)[0]
+    return get_version_tuple(version)
+
+
+if psycopg_version() < (2, 8, 4):
+    raise ImproperlyConfigured(
+        f"psycopg2 version 2.8.4 or newer is required; you have {Database.__version__}"
+    )
+if (3,) <= psycopg_version() < (3, 1, 8):
+    raise ImproperlyConfigured(
+        f"psycopg version 3.1.8 or newer is required; you have {Database.__version__}"
+    )
+
+
+from .psycopg_any import IsolationLevel, is_psycopg3  # NOQA isort:skip
+
+if is_psycopg3:
+    from psycopg import adapters, sql
+    from psycopg.pq import Format
+
+    from .psycopg_any import get_adapters_template, register_tzloader
+
+    TIMESTAMPTZ_OID = adapters.types["timestamptz"].oid
+
+else:
+    import psycopg2.extensions
+    import psycopg2.extras
+
+    psycopg2.extensions.register_adapter(SafeString, psycopg2.extensions.QuotedString)
+    psycopg2.extras.register_uuid()
+
+    # Register support for inet[] manually so we don't have to handle the Inet()
+    # object on load all the time.
+    INETARRAY_OID = 1041
+    INETARRAY = psycopg2.extensions.new_array_type(
+        (INETARRAY_OID,),
+        "INETARRAY",
+        psycopg2.extensions.UNICODE,
+    )
+    psycopg2.extensions.register_type(INETARRAY)
+
+# Some of these import psycopg, so import them after checking if it's installed.
+from .client import DatabaseClient  # NOQA isort:skip
+from .creation import DatabaseCreation  # NOQA isort:skip
+from .features import DatabaseFeatures  # NOQA isort:skip
+from .introspection import DatabaseIntrospection  # NOQA isort:skip
+from .operations import DatabaseOperations  # NOQA isort:skip
+from .schema import DatabaseSchemaEditor  # NOQA isort:skip
+
+
+def _get_varchar_column(data):
+    if data["max_length"] is None:
+        return "varchar"
+    return "varchar(%(max_length)s)" % data
+
+
+class DatabaseWrapper(BaseDatabaseWrapper):
+    vendor = "postgresql"
+    display_name = "PostgreSQL"
+    # This dictionary maps Field objects to their associated PostgreSQL column
+    # types, as strings. Column-type strings can contain format strings; they'll
+    # be interpolated against the values of Field.__dict__ before being output.
+    # If a column type is set to None, it won't be included in the output.
+    data_types = {
+        "AutoField": "integer",
+        "BigAutoField": "bigint",
+        "BinaryField": "bytea",
+        "BooleanField": "boolean",
+        "CharField": _get_varchar_column,
+        "DateField": "date",
+        "DateTimeField": "timestamp with time zone",
+        "DecimalField": "numeric(%(max_digits)s, %(decimal_places)s)",
+        "DurationField": "interval",
+        "FileField": "varchar(%(max_length)s)",
+        "FilePathField": "varchar(%(max_length)s)",
+        "FloatField": "double precision",
+        "IntegerField": "integer",
+        "BigIntegerField": "bigint",
+        "IPAddressField": "inet",
+        "GenericIPAddressField": "inet",
+        "JSONField": "jsonb",
+        "OneToOneField": "integer",
+        "PositiveBigIntegerField": "bigint",
+        "PositiveIntegerField": "integer",
+        "PositiveSmallIntegerField": "smallint",
+        "SlugField": "varchar(%(max_length)s)",
+        "SmallAutoField": "smallint",
+        "SmallIntegerField": "smallint",
+        "TextField": "text",
+        "TimeField": "time",
+        "UUIDField": "uuid",
+    }
+    data_type_check_constraints = {
+        "PositiveBigIntegerField": '"%(column)s" >= 0',
+        "PositiveIntegerField": '"%(column)s" >= 0',
+        "PositiveSmallIntegerField": '"%(column)s" >= 0',
+    }
+    data_types_suffix = {
+        "AutoField": "GENERATED BY DEFAULT AS IDENTITY",
+        "BigAutoField": "GENERATED BY DEFAULT AS IDENTITY",
+        "SmallAutoField": "GENERATED BY DEFAULT AS IDENTITY",
+    }
+    operators = {
+        "exact": "= %s",
+        "iexact": "= UPPER(%s)",
+        "contains": "LIKE %s",
+        "icontains": "LIKE UPPER(%s)",
+        "regex": "~ %s",
+        "iregex": "~* %s",
+        "gt": "> %s",
+        "gte": ">= %s",
+        "lt": "< %s",
+        "lte": "<= %s",
+        "startswith": "LIKE %s",
+        "endswith": "LIKE %s",
+        "istartswith": "LIKE UPPER(%s)",
+        "iendswith": "LIKE UPPER(%s)",
+    }
+
+    # The patterns below are used to generate SQL pattern lookup clauses when
+    # the right-hand side of the lookup isn't a raw string (it might be an expression
+    # or the result of a bilateral transformation).
+    # In those cases, special characters for LIKE operators (e.g. \, *, _) should be
+    # escaped on database side.
+    #
+    # Note: we use str.format() here for readability as '%' is used as a wildcard for
+    # the LIKE operator.
+    pattern_esc = (
+        r"REPLACE(REPLACE(REPLACE({}, E'\\', E'\\\\'), E'%%', E'\\%%'), E'_', E'\\_')"
+    )
+    pattern_ops = {
+        "contains": "LIKE '%%' || {} || '%%'",
+        "icontains": "LIKE '%%' || UPPER({}) || '%%'",
+        "startswith": "LIKE {} || '%%'",
+        "istartswith": "LIKE UPPER({}) || '%%'",
+        "endswith": "LIKE '%%' || {}",
+        "iendswith": "LIKE '%%' || UPPER({})",
+    }
+
+    Database = Database
+    SchemaEditorClass = DatabaseSchemaEditor
+    # Classes instantiated in __init__().
+    client_class = DatabaseClient
+    creation_class = DatabaseCreation
+    features_class = DatabaseFeatures
+    introspection_class = DatabaseIntrospection
+    ops_class = DatabaseOperations
+    # PostgreSQL backend-specific attributes.
+    _named_cursor_idx = 0
+
+    def get_database_version(self):
+        """
+        Return a tuple of the database's version.
+        E.g. for pg_version 120004, return (12, 4).
+        """
+        return divmod(self.pg_version, 10000)
+
+    def get_connection_params(self):
+        settings_dict = self.settings_dict
+        # None may be used to connect to the default 'postgres' db
+        if settings_dict["NAME"] == "" and not settings_dict.get("OPTIONS", {}).get(
+            "service"
+        ):
+            raise ImproperlyConfigured(
+                "settings.DATABASES is improperly configured. "
+                "Please supply the NAME or OPTIONS['service'] value."
+            )
+        if len(settings_dict["NAME"] or "") > self.ops.max_name_length():
+            raise ImproperlyConfigured(
+                "The database name '%s' (%d characters) is longer than "
+                "PostgreSQL's limit of %d characters. Supply a shorter NAME "
+                "in settings.DATABASES."
+                % (
+                    settings_dict["NAME"],
+                    len(settings_dict["NAME"]),
+                    self.ops.max_name_length(),
+                )
+            )
+        if settings_dict["NAME"]:
+            conn_params = {
+                "dbname": settings_dict["NAME"],
+                **settings_dict["OPTIONS"],
+            }
+        elif settings_dict["NAME"] is None:
+            # Connect to the default 'postgres' db.
+            settings_dict.get("OPTIONS", {}).pop("service", None)
+            conn_params = {"dbname": "postgres", **settings_dict["OPTIONS"]}
+        else:
+            conn_params = {**settings_dict["OPTIONS"]}
+        conn_params["client_encoding"] = "UTF8"
+
+        conn_params.pop("assume_role", None)
+        conn_params.pop("isolation_level", None)
+        server_side_binding = conn_params.pop("server_side_binding", None)
+        conn_params.setdefault(
+            "cursor_factory",
+            (
+                ServerBindingCursor
+                if is_psycopg3 and server_side_binding is True
+                else Cursor
+            ),
+        )
+        if settings_dict["USER"]:
+            conn_params["user"] = settings_dict["USER"]
+        if settings_dict["PASSWORD"]:
+            conn_params["password"] = settings_dict["PASSWORD"]
+        if settings_dict["HOST"]:
+            conn_params["host"] = settings_dict["HOST"]
+        if settings_dict["PORT"]:
+            conn_params["port"] = settings_dict["PORT"]
+        if is_psycopg3:
+            conn_params["context"] = get_adapters_template(
+                settings.USE_TZ, self.timezone
+            )
+            # Disable prepared statements by default to keep connection poolers
+            # working. Can be reenabled via OPTIONS in the settings dict.
+            conn_params["prepare_threshold"] = conn_params.pop(
+                "prepare_threshold", None
+            )
+        return conn_params
+
+    @async_unsafe
+    def get_new_connection(self, conn_params):
+        # self.isolation_level must be set:
+        # - after connecting to the database in order to obtain the database's
+        #   default when no value is explicitly specified in options.
+        # - before calling _set_autocommit() because if autocommit is on, that
+        #   will set connection.isolation_level to ISOLATION_LEVEL_AUTOCOMMIT.
+        options = self.settings_dict["OPTIONS"]
+        set_isolation_level = False
+        try:
+            isolation_level_value = options["isolation_level"]
+        except KeyError:
+            self.isolation_level = IsolationLevel.READ_COMMITTED
+        else:
+            # Set the isolation level to the value from OPTIONS.
+            try:
+                self.isolation_level = IsolationLevel(isolation_level_value)
+                set_isolation_level = True
+            except ValueError:
+                raise ImproperlyConfigured(
+                    f"Invalid transaction isolation level {isolation_level_value} "
+                    f"specified. Use one of the psycopg.IsolationLevel values."
+                )
+        connection = self.Database.connect(**conn_params)
+        if set_isolation_level:
+            connection.isolation_level = self.isolation_level
+        if not is_psycopg3:
+            # Register dummy loads() to avoid a round trip from psycopg2's
+            # decode to json.dumps() to json.loads(), when using a custom
+            # decoder in JSONField.
+            psycopg2.extras.register_default_jsonb(
+                conn_or_curs=connection, loads=lambda x: x
+            )
+        return connection
+
+    def ensure_timezone(self):
+        if self.connection is None:
+            return False
+        conn_timezone_name = self.connection.info.parameter_status("TimeZone")
+        timezone_name = self.timezone_name
+        if timezone_name and conn_timezone_name != timezone_name:
+            with self.connection.cursor() as cursor:
+                cursor.execute(self.ops.set_time_zone_sql(), [timezone_name])
+            return True
+        return False
+
+    def ensure_role(self):
+        if self.connection is None:
+            return False
+        if new_role := self.settings_dict.get("OPTIONS", {}).get("assume_role"):
+            with self.connection.cursor() as cursor:
+                sql = self.ops.compose_sql("SET ROLE %s", [new_role])
+                cursor.execute(sql)
+            return True
+        return False
+
+    def init_connection_state(self):
+        super().init_connection_state()
+
+        # Commit after setting the time zone.
+        commit_tz = self.ensure_timezone()
+        # Set the role on the connection. This is useful if the credential used
+        # to login is not the same as the role that owns database resources. As
+        # can be the case when using temporary or ephemeral credentials.
+        commit_role = self.ensure_role()
+
+        if (commit_role or commit_tz) and not self.get_autocommit():
+            self.connection.commit()
+
+    @async_unsafe
+    def create_cursor(self, name=None):
+        if name:
+            # In autocommit mode, the cursor will be used outside of a
+            # transaction, hence use a holdable cursor.
+            cursor = self.connection.cursor(
+                name, scrollable=False, withhold=self.connection.autocommit
+            )
+        else:
+            cursor = self.connection.cursor()
+
+        if is_psycopg3:
+            # Register the cursor timezone only if the connection disagrees, to
+            # avoid copying the adapter map.
+            tzloader = self.connection.adapters.get_loader(TIMESTAMPTZ_OID, Format.TEXT)
+            if self.timezone != tzloader.timezone:
+                register_tzloader(self.timezone, cursor)
+        else:
+            cursor.tzinfo_factory = self.tzinfo_factory if settings.USE_TZ else None
+        return cursor
+
+    def tzinfo_factory(self, offset):
+        return self.timezone
+
+    @async_unsafe
+    def chunked_cursor(self):
+        self._named_cursor_idx += 1
+        # Get the current async task
+        # Note that right now this is behind @async_unsafe, so this is
+        # unreachable, but in future we'll start loosening this restriction.
+        # For now, it's here so that every use of "threading" is
+        # also async-compatible.
+        try:
+            current_task = asyncio.current_task()
+        except RuntimeError:
+            current_task = None
+        # Current task can be none even if the current_task call didn't error
+        if current_task:
+            task_ident = str(id(current_task))
+        else:
+            task_ident = "sync"
+        # Use that and the thread ident to get a unique name
+        return self._cursor(
+            name="_django_curs_%d_%s_%d"
+            % (
+                # Avoid reusing name in other threads / tasks
+                threading.current_thread().ident,
+                task_ident,
+                self._named_cursor_idx,
+            )
+        )
+
+    def _set_autocommit(self, autocommit):
+        with self.wrap_database_errors:
+            self.connection.autocommit = autocommit
+
+    def check_constraints(self, table_names=None):
+        """
+        Check constraints by setting them to immediate. Return them to deferred
+        afterward.
+        """
+        with self.cursor() as cursor:
+            cursor.execute("SET CONSTRAINTS ALL IMMEDIATE")
+            cursor.execute("SET CONSTRAINTS ALL DEFERRED")
+
+    def is_usable(self):
+        try:
+            # Use a psycopg cursor directly, bypassing Django's utilities.
+            with self.connection.cursor() as cursor:
+                cursor.execute("SELECT 1")
+        except Database.Error:
+            return False
+        else:
+            return True
+
+    @contextmanager
+    def _nodb_cursor(self):
+        cursor = None
+        try:
+            with super()._nodb_cursor() as cursor:
+                yield cursor
+        except (Database.DatabaseError, WrappedDatabaseError):
+            if cursor is not None:
+                raise
+            warnings.warn(
+                "Normally Django will use a connection to the 'postgres' database "
+                "to avoid running initialization queries against the production "
+                "database when it's not needed (for example, when running tests). "
+                "Django was unable to create a connection to the 'postgres' database "
+                "and will use the first PostgreSQL database instead.",
+                RuntimeWarning,
+            )
+            for connection in connections.all():
+                if (
+                    connection.vendor == "postgresql"
+                    and connection.settings_dict["NAME"] != "postgres"
+                ):
+                    conn = self.__class__(
+                        {
+                            **self.settings_dict,
+                            "NAME": connection.settings_dict["NAME"],
+                        },
+                        alias=self.alias,
+                    )
+                    try:
+                        with conn.cursor() as cursor:
+                            yield cursor
+                    finally:
+                        conn.close()
+                    break
+            else:
+                raise
+
+    @cached_property
+    def pg_version(self):
+        with self.temporary_connection():
+            return self.connection.info.server_version
+
+    def make_debug_cursor(self, cursor):
+        return CursorDebugWrapper(cursor, self)
+
+
+if is_psycopg3:
+
+    class CursorMixin:
+        """
+        A subclass of psycopg cursor implementing callproc.
+        """
+
+        def callproc(self, name, args=None):
+            if not isinstance(name, sql.Identifier):
+                name = sql.Identifier(name)
+
+            qparts = [sql.SQL("SELECT * FROM "), name, sql.SQL("(")]
+            if args:
+                for item in args:
+                    qparts.append(sql.Literal(item))
+                    qparts.append(sql.SQL(","))
+                del qparts[-1]
+
+            qparts.append(sql.SQL(")"))
+            stmt = sql.Composed(qparts)
+            self.execute(stmt)
+            return args
+
+    class ServerBindingCursor(CursorMixin, Database.Cursor):
+        pass
+
+    class Cursor(CursorMixin, Database.ClientCursor):
+        pass
+
+    class CursorDebugWrapper(BaseCursorDebugWrapper):
+        def copy(self, statement):
+            with self.debug_sql(statement):
+                return self.cursor.copy(statement)
+
+else:
+    Cursor = psycopg2.extensions.cursor
+
+    class CursorDebugWrapper(BaseCursorDebugWrapper):
+        def copy_expert(self, sql, file, *args):
+            with self.debug_sql(sql):
+                return self.cursor.copy_expert(sql, file, *args)
+
+        def copy_to(self, file, table, *args, **kwargs):
+            with self.debug_sql(sql="COPY %s TO STDOUT" % table):
+                return self.cursor.copy_to(file, table, *args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/client.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/client.py
new file mode 100644
index 00000000..3b5ddafa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/client.py
@@ -0,0 +1,64 @@
+import signal
+
+from django.db.backends.base.client import BaseDatabaseClient
+
+
+class DatabaseClient(BaseDatabaseClient):
+    executable_name = "psql"
+
+    @classmethod
+    def settings_to_cmd_args_env(cls, settings_dict, parameters):
+        args = [cls.executable_name]
+        options = settings_dict.get("OPTIONS", {})
+
+        host = settings_dict.get("HOST")
+        port = settings_dict.get("PORT")
+        dbname = settings_dict.get("NAME")
+        user = settings_dict.get("USER")
+        passwd = settings_dict.get("PASSWORD")
+        passfile = options.get("passfile")
+        service = options.get("service")
+        sslmode = options.get("sslmode")
+        sslrootcert = options.get("sslrootcert")
+        sslcert = options.get("sslcert")
+        sslkey = options.get("sslkey")
+
+        if not dbname and not service:
+            # Connect to the default 'postgres' db.
+            dbname = "postgres"
+        if user:
+            args += ["-U", user]
+        if host:
+            args += ["-h", host]
+        if port:
+            args += ["-p", str(port)]
+        args.extend(parameters)
+        if dbname:
+            args += [dbname]
+
+        env = {}
+        if passwd:
+            env["PGPASSWORD"] = str(passwd)
+        if service:
+            env["PGSERVICE"] = str(service)
+        if sslmode:
+            env["PGSSLMODE"] = str(sslmode)
+        if sslrootcert:
+            env["PGSSLROOTCERT"] = str(sslrootcert)
+        if sslcert:
+            env["PGSSLCERT"] = str(sslcert)
+        if sslkey:
+            env["PGSSLKEY"] = str(sslkey)
+        if passfile:
+            env["PGPASSFILE"] = str(passfile)
+        return args, (env or None)
+
+    def runshell(self, parameters):
+        sigint_handler = signal.getsignal(signal.SIGINT)
+        try:
+            # Allow SIGINT to pass to psql to abort queries.
+            signal.signal(signal.SIGINT, signal.SIG_IGN)
+            super().runshell(parameters)
+        finally:
+            # Restore the original SIGINT handler.
+            signal.signal(signal.SIGINT, sigint_handler)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/creation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/creation.py
new file mode 100644
index 00000000..9b562cec
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/creation.py
@@ -0,0 +1,86 @@
+import sys
+
+from django.core.exceptions import ImproperlyConfigured
+from django.db.backends.base.creation import BaseDatabaseCreation
+from django.db.backends.postgresql.psycopg_any import errors
+from django.db.backends.utils import strip_quotes
+
+
+class DatabaseCreation(BaseDatabaseCreation):
+    def _quote_name(self, name):
+        return self.connection.ops.quote_name(name)
+
+    def _get_database_create_suffix(self, encoding=None, template=None):
+        suffix = ""
+        if encoding:
+            suffix += " ENCODING '{}'".format(encoding)
+        if template:
+            suffix += " TEMPLATE {}".format(self._quote_name(template))
+        return suffix and "WITH" + suffix
+
+    def sql_table_creation_suffix(self):
+        test_settings = self.connection.settings_dict["TEST"]
+        if test_settings.get("COLLATION") is not None:
+            raise ImproperlyConfigured(
+                "PostgreSQL does not support collation setting at database "
+                "creation time."
+            )
+        return self._get_database_create_suffix(
+            encoding=test_settings["CHARSET"],
+            template=test_settings.get("TEMPLATE"),
+        )
+
+    def _database_exists(self, cursor, database_name):
+        cursor.execute(
+            "SELECT 1 FROM pg_catalog.pg_database WHERE datname = %s",
+            [strip_quotes(database_name)],
+        )
+        return cursor.fetchone() is not None
+
+    def _execute_create_test_db(self, cursor, parameters, keepdb=False):
+        try:
+            if keepdb and self._database_exists(cursor, parameters["dbname"]):
+                # If the database should be kept and it already exists, don't
+                # try to create a new one.
+                return
+            super()._execute_create_test_db(cursor, parameters, keepdb)
+        except Exception as e:
+            if not isinstance(e.__cause__, errors.DuplicateDatabase):
+                # All errors except "database already exists" cancel tests.
+                self.log("Got an error creating the test database: %s" % e)
+                sys.exit(2)
+            elif not keepdb:
+                # If the database should be kept, ignore "database already
+                # exists".
+                raise
+
+    def _clone_test_db(self, suffix, verbosity, keepdb=False):
+        # CREATE DATABASE ... WITH TEMPLATE ... requires closing connections
+        # to the template database.
+        self.connection.close()
+
+        source_database_name = self.connection.settings_dict["NAME"]
+        target_database_name = self.get_test_db_clone_settings(suffix)["NAME"]
+        test_db_params = {
+            "dbname": self._quote_name(target_database_name),
+            "suffix": self._get_database_create_suffix(template=source_database_name),
+        }
+        with self._nodb_cursor() as cursor:
+            try:
+                self._execute_create_test_db(cursor, test_db_params, keepdb)
+            except Exception:
+                try:
+                    if verbosity >= 1:
+                        self.log(
+                            "Destroying old test database for alias %s..."
+                            % (
+                                self._get_database_display_str(
+                                    verbosity, target_database_name
+                                ),
+                            )
+                        )
+                    cursor.execute("DROP DATABASE %(dbname)s" % test_db_params)
+                    self._execute_create_test_db(cursor, test_db_params, keepdb)
+                except Exception as e:
+                    self.log("Got an error cloning the test database: %s" % e)
+                    sys.exit(2)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/features.py
new file mode 100644
index 00000000..941ebb92
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/features.py
@@ -0,0 +1,148 @@
+import operator
+
+from django.db import DataError, InterfaceError
+from django.db.backends.base.features import BaseDatabaseFeatures
+from django.db.backends.postgresql.psycopg_any import is_psycopg3
+from django.utils.functional import cached_property
+
+
+class DatabaseFeatures(BaseDatabaseFeatures):
+    minimum_database_version = (12,)
+    allows_group_by_selected_pks = True
+    can_return_columns_from_insert = True
+    can_return_rows_from_bulk_insert = True
+    has_real_datatype = True
+    has_native_uuid_field = True
+    has_native_duration_field = True
+    has_native_json_field = True
+    can_defer_constraint_checks = True
+    has_select_for_update = True
+    has_select_for_update_nowait = True
+    has_select_for_update_of = True
+    has_select_for_update_skip_locked = True
+    has_select_for_no_key_update = True
+    can_release_savepoints = True
+    supports_comments = True
+    supports_tablespaces = True
+    supports_transactions = True
+    can_introspect_materialized_views = True
+    can_distinct_on_fields = True
+    can_rollback_ddl = True
+    schema_editor_uses_clientside_param_binding = True
+    supports_combined_alters = True
+    nulls_order_largest = True
+    closed_cursor_error_class = InterfaceError
+    greatest_least_ignores_nulls = True
+    can_clone_databases = True
+    supports_temporal_subtraction = True
+    supports_slicing_ordering_in_compound = True
+    create_test_procedure_without_params_sql = """
+        CREATE FUNCTION test_procedure () RETURNS void AS $$
+        DECLARE
+            V_I INTEGER;
+        BEGIN
+            V_I := 1;
+        END;
+    $$ LANGUAGE plpgsql;"""
+    create_test_procedure_with_int_param_sql = """
+        CREATE FUNCTION test_procedure (P_I INTEGER) RETURNS void AS $$
+        DECLARE
+            V_I INTEGER;
+        BEGIN
+            V_I := P_I;
+        END;
+    $$ LANGUAGE plpgsql;"""
+    create_test_table_with_composite_primary_key = """
+        CREATE TABLE test_table_composite_pk (
+            column_1 INTEGER NOT NULL,
+            column_2 INTEGER NOT NULL,
+            PRIMARY KEY(column_1, column_2)
+        )
+    """
+    requires_casted_case_in_updates = True
+    supports_over_clause = True
+    only_supports_unbounded_with_preceding_and_following = True
+    supports_aggregate_filter_clause = True
+    supported_explain_formats = {"JSON", "TEXT", "XML", "YAML"}
+    supports_deferrable_unique_constraints = True
+    has_json_operators = True
+    json_key_contains_list_matching_requires_list = True
+    supports_update_conflicts = True
+    supports_update_conflicts_with_target = True
+    supports_covering_indexes = True
+    supports_stored_generated_columns = True
+    supports_virtual_generated_columns = False
+    can_rename_index = True
+    test_collations = {
+        "deterministic": "C",
+        "non_default": "sv-x-icu",
+        "swedish_ci": "sv-x-icu",
+        "virtual": "sv-x-icu",
+    }
+    test_now_utc_template = "STATEMENT_TIMESTAMP() AT TIME ZONE 'UTC'"
+    insert_test_table_with_defaults = "INSERT INTO {} DEFAULT VALUES"
+
+    django_test_skips = {
+        "opclasses are PostgreSQL only.": {
+            "indexes.tests.SchemaIndexesNotPostgreSQLTests."
+            "test_create_index_ignores_opclasses",
+        },
+        "PostgreSQL requires casting to text.": {
+            "lookup.tests.LookupTests.test_textfield_exact_null",
+        },
+    }
+
+    @cached_property
+    def django_test_expected_failures(self):
+        expected_failures = set()
+        if self.uses_server_side_binding:
+            expected_failures.update(
+                {
+                    # Parameters passed to expressions in SELECT and GROUP BY
+                    # clauses are not recognized as the same values when using
+                    # server-side binding cursors (#34255).
+                    "aggregation.tests.AggregateTestCase."
+                    "test_group_by_nested_expression_with_params",
+                }
+            )
+        return expected_failures
+
+    @cached_property
+    def uses_server_side_binding(self):
+        options = self.connection.settings_dict["OPTIONS"]
+        return is_psycopg3 and options.get("server_side_binding") is True
+
+    @cached_property
+    def prohibits_null_characters_in_text_exception(self):
+        if is_psycopg3:
+            return DataError, "PostgreSQL text fields cannot contain NUL (0x00) bytes"
+        else:
+            return ValueError, "A string literal cannot contain NUL (0x00) characters."
+
+    @cached_property
+    def introspected_field_types(self):
+        return {
+            **super().introspected_field_types,
+            "PositiveBigIntegerField": "BigIntegerField",
+            "PositiveIntegerField": "IntegerField",
+            "PositiveSmallIntegerField": "SmallIntegerField",
+        }
+
+    @cached_property
+    def is_postgresql_13(self):
+        return self.connection.pg_version >= 130000
+
+    @cached_property
+    def is_postgresql_14(self):
+        return self.connection.pg_version >= 140000
+
+    @cached_property
+    def is_postgresql_15(self):
+        return self.connection.pg_version >= 150000
+
+    has_bit_xor = property(operator.attrgetter("is_postgresql_14"))
+    supports_covering_spgist_indexes = property(operator.attrgetter("is_postgresql_14"))
+    supports_unlimited_charfield = True
+    supports_nulls_distinct_unique_constraints = property(
+        operator.attrgetter("is_postgresql_15")
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/introspection.py
new file mode 100644
index 00000000..69bc8712
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/introspection.py
@@ -0,0 +1,299 @@
+from collections import namedtuple
+
+from django.db.backends.base.introspection import BaseDatabaseIntrospection
+from django.db.backends.base.introspection import FieldInfo as BaseFieldInfo
+from django.db.backends.base.introspection import TableInfo as BaseTableInfo
+from django.db.models import Index
+
+FieldInfo = namedtuple("FieldInfo", BaseFieldInfo._fields + ("is_autofield", "comment"))
+TableInfo = namedtuple("TableInfo", BaseTableInfo._fields + ("comment",))
+
+
+class DatabaseIntrospection(BaseDatabaseIntrospection):
+    # Maps type codes to Django Field types.
+    data_types_reverse = {
+        16: "BooleanField",
+        17: "BinaryField",
+        20: "BigIntegerField",
+        21: "SmallIntegerField",
+        23: "IntegerField",
+        25: "TextField",
+        700: "FloatField",
+        701: "FloatField",
+        869: "GenericIPAddressField",
+        1042: "CharField",  # blank-padded
+        1043: "CharField",
+        1082: "DateField",
+        1083: "TimeField",
+        1114: "DateTimeField",
+        1184: "DateTimeField",
+        1186: "DurationField",
+        1266: "TimeField",
+        1700: "DecimalField",
+        2950: "UUIDField",
+        3802: "JSONField",
+    }
+    # A hook for subclasses.
+    index_default_access_method = "btree"
+
+    ignored_tables = []
+
+    def get_field_type(self, data_type, description):
+        field_type = super().get_field_type(data_type, description)
+        if description.is_autofield or (
+            # Required for pre-Django 4.1 serial columns.
+            description.default
+            and "nextval" in description.default
+        ):
+            if field_type == "IntegerField":
+                return "AutoField"
+            elif field_type == "BigIntegerField":
+                return "BigAutoField"
+            elif field_type == "SmallIntegerField":
+                return "SmallAutoField"
+        return field_type
+
+    def get_table_list(self, cursor):
+        """Return a list of table and view names in the current database."""
+        cursor.execute(
+            """
+            SELECT
+                c.relname,
+                CASE
+                    WHEN c.relispartition THEN 'p'
+                    WHEN c.relkind IN ('m', 'v') THEN 'v'
+                    ELSE 't'
+                END,
+                obj_description(c.oid, 'pg_class')
+            FROM pg_catalog.pg_class c
+            LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
+            WHERE c.relkind IN ('f', 'm', 'p', 'r', 'v')
+                AND n.nspname NOT IN ('pg_catalog', 'pg_toast')
+                AND pg_catalog.pg_table_is_visible(c.oid)
+        """
+        )
+        return [
+            TableInfo(*row)
+            for row in cursor.fetchall()
+            if row[0] not in self.ignored_tables
+        ]
+
+    def get_table_description(self, cursor, table_name):
+        """
+        Return a description of the table with the DB-API cursor.description
+        interface.
+        """
+        # Query the pg_catalog tables as cursor.description does not reliably
+        # return the nullable property and information_schema.columns does not
+        # contain details of materialized views.
+        cursor.execute(
+            """
+            SELECT
+                a.attname AS column_name,
+                NOT (a.attnotnull OR (t.typtype = 'd' AND t.typnotnull)) AS is_nullable,
+                pg_get_expr(ad.adbin, ad.adrelid) AS column_default,
+                CASE WHEN collname = 'default' THEN NULL ELSE collname END AS collation,
+                a.attidentity != '' AS is_autofield,
+                col_description(a.attrelid, a.attnum) AS column_comment
+            FROM pg_attribute a
+            LEFT JOIN pg_attrdef ad ON a.attrelid = ad.adrelid AND a.attnum = ad.adnum
+            LEFT JOIN pg_collation co ON a.attcollation = co.oid
+            JOIN pg_type t ON a.atttypid = t.oid
+            JOIN pg_class c ON a.attrelid = c.oid
+            JOIN pg_namespace n ON c.relnamespace = n.oid
+            WHERE c.relkind IN ('f', 'm', 'p', 'r', 'v')
+                AND c.relname = %s
+                AND n.nspname NOT IN ('pg_catalog', 'pg_toast')
+                AND pg_catalog.pg_table_is_visible(c.oid)
+        """,
+            [table_name],
+        )
+        field_map = {line[0]: line[1:] for line in cursor.fetchall()}
+        cursor.execute(
+            "SELECT * FROM %s LIMIT 1" % self.connection.ops.quote_name(table_name)
+        )
+        return [
+            FieldInfo(
+                line.name,
+                line.type_code,
+                # display_size is always None on psycopg2.
+                line.internal_size if line.display_size is None else line.display_size,
+                line.internal_size,
+                line.precision,
+                line.scale,
+                *field_map[line.name],
+            )
+            for line in cursor.description
+        ]
+
+    def get_sequences(self, cursor, table_name, table_fields=()):
+        cursor.execute(
+            """
+            SELECT
+                s.relname AS sequence_name,
+                a.attname AS colname
+            FROM
+                pg_class s
+                JOIN pg_depend d ON d.objid = s.oid
+                    AND d.classid = 'pg_class'::regclass
+                    AND d.refclassid = 'pg_class'::regclass
+                JOIN pg_attribute a ON d.refobjid = a.attrelid
+                    AND d.refobjsubid = a.attnum
+                JOIN pg_class tbl ON tbl.oid = d.refobjid
+                    AND tbl.relname = %s
+                    AND pg_catalog.pg_table_is_visible(tbl.oid)
+            WHERE
+                s.relkind = 'S';
+        """,
+            [table_name],
+        )
+        return [
+            {"name": row[0], "table": table_name, "column": row[1]}
+            for row in cursor.fetchall()
+        ]
+
+    def get_relations(self, cursor, table_name):
+        """
+        Return a dictionary of {field_name: (field_name_other_table, other_table)}
+        representing all foreign keys in the given table.
+        """
+        cursor.execute(
+            """
+            SELECT a1.attname, c2.relname, a2.attname
+            FROM pg_constraint con
+            LEFT JOIN pg_class c1 ON con.conrelid = c1.oid
+            LEFT JOIN pg_class c2 ON con.confrelid = c2.oid
+            LEFT JOIN
+                pg_attribute a1 ON c1.oid = a1.attrelid AND a1.attnum = con.conkey[1]
+            LEFT JOIN
+                pg_attribute a2 ON c2.oid = a2.attrelid AND a2.attnum = con.confkey[1]
+            WHERE
+                c1.relname = %s AND
+                con.contype = 'f' AND
+                c1.relnamespace = c2.relnamespace AND
+                pg_catalog.pg_table_is_visible(c1.oid)
+        """,
+            [table_name],
+        )
+        return {row[0]: (row[2], row[1]) for row in cursor.fetchall()}
+
+    def get_constraints(self, cursor, table_name):
+        """
+        Retrieve any constraints or keys (unique, pk, fk, check, index) across
+        one or more columns. Also retrieve the definition of expression-based
+        indexes.
+        """
+        constraints = {}
+        # Loop over the key table, collecting things as constraints. The column
+        # array must return column names in the same order in which they were
+        # created.
+        cursor.execute(
+            """
+            SELECT
+                c.conname,
+                array(
+                    SELECT attname
+                    FROM unnest(c.conkey) WITH ORDINALITY cols(colid, arridx)
+                    JOIN pg_attribute AS ca ON cols.colid = ca.attnum
+                    WHERE ca.attrelid = c.conrelid
+                    ORDER BY cols.arridx
+                ),
+                c.contype,
+                (SELECT fkc.relname || '.' || fka.attname
+                FROM pg_attribute AS fka
+                JOIN pg_class AS fkc ON fka.attrelid = fkc.oid
+                WHERE fka.attrelid = c.confrelid AND fka.attnum = c.confkey[1]),
+                cl.reloptions
+            FROM pg_constraint AS c
+            JOIN pg_class AS cl ON c.conrelid = cl.oid
+            WHERE cl.relname = %s AND pg_catalog.pg_table_is_visible(cl.oid)
+        """,
+            [table_name],
+        )
+        for constraint, columns, kind, used_cols, options in cursor.fetchall():
+            constraints[constraint] = {
+                "columns": columns,
+                "primary_key": kind == "p",
+                "unique": kind in ["p", "u"],
+                "foreign_key": tuple(used_cols.split(".", 1)) if kind == "f" else None,
+                "check": kind == "c",
+                "index": False,
+                "definition": None,
+                "options": options,
+            }
+        # Now get indexes
+        cursor.execute(
+            """
+            SELECT
+                indexname,
+                array_agg(attname ORDER BY arridx),
+                indisunique,
+                indisprimary,
+                array_agg(ordering ORDER BY arridx),
+                amname,
+                exprdef,
+                s2.attoptions
+            FROM (
+                SELECT
+                    c2.relname as indexname, idx.*, attr.attname, am.amname,
+                    CASE
+                        WHEN idx.indexprs IS NOT NULL THEN
+                            pg_get_indexdef(idx.indexrelid)
+                    END AS exprdef,
+                    CASE am.amname
+                        WHEN %s THEN
+                            CASE (option & 1)
+                                WHEN 1 THEN 'DESC' ELSE 'ASC'
+                            END
+                    END as ordering,
+                    c2.reloptions as attoptions
+                FROM (
+                    SELECT *
+                    FROM
+                        pg_index i,
+                        unnest(i.indkey, i.indoption)
+                            WITH ORDINALITY koi(key, option, arridx)
+                ) idx
+                LEFT JOIN pg_class c ON idx.indrelid = c.oid
+                LEFT JOIN pg_class c2 ON idx.indexrelid = c2.oid
+                LEFT JOIN pg_am am ON c2.relam = am.oid
+                LEFT JOIN
+                    pg_attribute attr ON attr.attrelid = c.oid AND attr.attnum = idx.key
+                WHERE c.relname = %s AND pg_catalog.pg_table_is_visible(c.oid)
+            ) s2
+            GROUP BY indexname, indisunique, indisprimary, amname, exprdef, attoptions;
+        """,
+            [self.index_default_access_method, table_name],
+        )
+        for (
+            index,
+            columns,
+            unique,
+            primary,
+            orders,
+            type_,
+            definition,
+            options,
+        ) in cursor.fetchall():
+            if index not in constraints:
+                basic_index = (
+                    type_ == self.index_default_access_method
+                    and
+                    # '_btree' references
+                    # django.contrib.postgres.indexes.BTreeIndex.suffix.
+                    not index.endswith("_btree")
+                    and options is None
+                )
+                constraints[index] = {
+                    "columns": columns if columns != [None] else [],
+                    "orders": orders if orders != [None] else [],
+                    "primary_key": primary,
+                    "unique": unique,
+                    "foreign_key": None,
+                    "check": False,
+                    "index": True,
+                    "type": Index.suffix if basic_index else type_,
+                    "definition": definition,
+                    "options": options,
+                }
+        return constraints
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/operations.py
new file mode 100644
index 00000000..6eefb6a3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/operations.py
@@ -0,0 +1,415 @@
+import json
+from functools import lru_cache, partial
+
+from django.conf import settings
+from django.db.backends.base.operations import BaseDatabaseOperations
+from django.db.backends.postgresql.psycopg_any import (
+    Inet,
+    Jsonb,
+    errors,
+    is_psycopg3,
+    mogrify,
+)
+from django.db.backends.utils import split_tzname_delta
+from django.db.models.constants import OnConflict
+from django.db.models.functions import Cast
+from django.utils.regex_helper import _lazy_re_compile
+
+
+@lru_cache
+def get_json_dumps(encoder):
+    if encoder is None:
+        return json.dumps
+    return partial(json.dumps, cls=encoder)
+
+
+class DatabaseOperations(BaseDatabaseOperations):
+    cast_char_field_without_max_length = "varchar"
+    explain_prefix = "EXPLAIN"
+    explain_options = frozenset(
+        [
+            "ANALYZE",
+            "BUFFERS",
+            "COSTS",
+            "SETTINGS",
+            "SUMMARY",
+            "TIMING",
+            "VERBOSE",
+            "WAL",
+        ]
+    )
+    cast_data_types = {
+        "AutoField": "integer",
+        "BigAutoField": "bigint",
+        "SmallAutoField": "smallint",
+    }
+
+    if is_psycopg3:
+        from psycopg.types import numeric
+
+        integerfield_type_map = {
+            "SmallIntegerField": numeric.Int2,
+            "IntegerField": numeric.Int4,
+            "BigIntegerField": numeric.Int8,
+            "PositiveSmallIntegerField": numeric.Int2,
+            "PositiveIntegerField": numeric.Int4,
+            "PositiveBigIntegerField": numeric.Int8,
+        }
+
+    def unification_cast_sql(self, output_field):
+        internal_type = output_field.get_internal_type()
+        if internal_type in (
+            "GenericIPAddressField",
+            "IPAddressField",
+            "TimeField",
+            "UUIDField",
+        ):
+            # PostgreSQL will resolve a union as type 'text' if input types are
+            # 'unknown'.
+            # https://www.postgresql.org/docs/current/typeconv-union-case.html
+            # These fields cannot be implicitly cast back in the default
+            # PostgreSQL configuration so we need to explicitly cast them.
+            # We must also remove components of the type within brackets:
+            # varchar(255) -> varchar.
+            return (
+                "CAST(%%s AS %s)" % output_field.db_type(self.connection).split("(")[0]
+            )
+        return "%s"
+
+    # EXTRACT format cannot be passed in parameters.
+    _extract_format_re = _lazy_re_compile(r"[A-Z_]+")
+
+    def date_extract_sql(self, lookup_type, sql, params):
+        # https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT
+        if lookup_type == "week_day":
+            # For consistency across backends, we return Sunday=1, Saturday=7.
+            return f"EXTRACT(DOW FROM {sql}) + 1", params
+        elif lookup_type == "iso_week_day":
+            return f"EXTRACT(ISODOW FROM {sql})", params
+        elif lookup_type == "iso_year":
+            return f"EXTRACT(ISOYEAR FROM {sql})", params
+
+        lookup_type = lookup_type.upper()
+        if not self._extract_format_re.fullmatch(lookup_type):
+            raise ValueError(f"Invalid lookup type: {lookup_type!r}")
+        return f"EXTRACT({lookup_type} FROM {sql})", params
+
+    def date_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        # https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC
+        return f"DATE_TRUNC(%s, {sql})", (lookup_type, *params)
+
+    def _prepare_tzname_delta(self, tzname):
+        tzname, sign, offset = split_tzname_delta(tzname)
+        if offset:
+            sign = "-" if sign == "+" else "+"
+            return f"{tzname}{sign}{offset}"
+        return tzname
+
+    def _convert_sql_to_tz(self, sql, params, tzname):
+        if tzname and settings.USE_TZ:
+            tzname_param = self._prepare_tzname_delta(tzname)
+            return f"{sql} AT TIME ZONE %s", (*params, tzname_param)
+        return sql, params
+
+    def datetime_cast_date_sql(self, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return f"({sql})::date", params
+
+    def datetime_cast_time_sql(self, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return f"({sql})::time", params
+
+    def datetime_extract_sql(self, lookup_type, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        if lookup_type == "second":
+            # Truncate fractional seconds.
+            return f"EXTRACT(SECOND FROM DATE_TRUNC(%s, {sql}))", ("second", *params)
+        return self.date_extract_sql(lookup_type, sql, params)
+
+    def datetime_trunc_sql(self, lookup_type, sql, params, tzname):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        # https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC
+        return f"DATE_TRUNC(%s, {sql})", (lookup_type, *params)
+
+    def time_extract_sql(self, lookup_type, sql, params):
+        if lookup_type == "second":
+            # Truncate fractional seconds.
+            return f"EXTRACT(SECOND FROM DATE_TRUNC(%s, {sql}))", ("second", *params)
+        return self.date_extract_sql(lookup_type, sql, params)
+
+    def time_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        sql, params = self._convert_sql_to_tz(sql, params, tzname)
+        return f"DATE_TRUNC(%s, {sql})::time", (lookup_type, *params)
+
+    def deferrable_sql(self):
+        return " DEFERRABLE INITIALLY DEFERRED"
+
+    def fetch_returned_insert_rows(self, cursor):
+        """
+        Given a cursor object that has just performed an INSERT...RETURNING
+        statement into a table, return the tuple of returned data.
+        """
+        return cursor.fetchall()
+
+    def lookup_cast(self, lookup_type, internal_type=None):
+        lookup = "%s"
+        # Cast text lookups to text to allow things like filter(x__contains=4)
+        if lookup_type in (
+            "iexact",
+            "contains",
+            "icontains",
+            "startswith",
+            "istartswith",
+            "endswith",
+            "iendswith",
+            "regex",
+            "iregex",
+        ):
+            if internal_type in ("IPAddressField", "GenericIPAddressField"):
+                lookup = "HOST(%s)"
+            # RemovedInDjango51Warning.
+            elif internal_type in ("CICharField", "CIEmailField", "CITextField"):
+                lookup = "%s::citext"
+            else:
+                lookup = "%s::text"
+
+        # Use UPPER(x) for case-insensitive lookups; it's faster.
+        if lookup_type in ("iexact", "icontains", "istartswith", "iendswith"):
+            lookup = "UPPER(%s)" % lookup
+
+        return lookup
+
+    def no_limit_value(self):
+        return None
+
+    def prepare_sql_script(self, sql):
+        return [sql]
+
+    def quote_name(self, name):
+        if name.startswith('"') and name.endswith('"'):
+            return name  # Quoting once is enough.
+        return '"%s"' % name
+
+    def compose_sql(self, sql, params):
+        return mogrify(sql, params, self.connection)
+
+    def set_time_zone_sql(self):
+        return "SELECT set_config('TimeZone', %s, false)"
+
+    def sql_flush(self, style, tables, *, reset_sequences=False, allow_cascade=False):
+        if not tables:
+            return []
+
+        # Perform a single SQL 'TRUNCATE x, y, z...;' statement. It allows us
+        # to truncate tables referenced by a foreign key in any other table.
+        sql_parts = [
+            style.SQL_KEYWORD("TRUNCATE"),
+            ", ".join(style.SQL_FIELD(self.quote_name(table)) for table in tables),
+        ]
+        if reset_sequences:
+            sql_parts.append(style.SQL_KEYWORD("RESTART IDENTITY"))
+        if allow_cascade:
+            sql_parts.append(style.SQL_KEYWORD("CASCADE"))
+        return ["%s;" % " ".join(sql_parts)]
+
+    def sequence_reset_by_name_sql(self, style, sequences):
+        # 'ALTER SEQUENCE sequence_name RESTART WITH 1;'... style SQL statements
+        # to reset sequence indices
+        sql = []
+        for sequence_info in sequences:
+            table_name = sequence_info["table"]
+            # 'id' will be the case if it's an m2m using an autogenerated
+            # intermediate table (see BaseDatabaseIntrospection.sequence_list).
+            column_name = sequence_info["column"] or "id"
+            sql.append(
+                "%s setval(pg_get_serial_sequence('%s','%s'), 1, false);"
+                % (
+                    style.SQL_KEYWORD("SELECT"),
+                    style.SQL_TABLE(self.quote_name(table_name)),
+                    style.SQL_FIELD(column_name),
+                )
+            )
+        return sql
+
+    def tablespace_sql(self, tablespace, inline=False):
+        if inline:
+            return "USING INDEX TABLESPACE %s" % self.quote_name(tablespace)
+        else:
+            return "TABLESPACE %s" % self.quote_name(tablespace)
+
+    def sequence_reset_sql(self, style, model_list):
+        from django.db import models
+
+        output = []
+        qn = self.quote_name
+        for model in model_list:
+            # Use `coalesce` to set the sequence for each model to the max pk
+            # value if there are records, or 1 if there are none. Set the
+            # `is_called` property (the third argument to `setval`) to true if
+            # there are records (as the max pk value is already in use),
+            # otherwise set it to false. Use pg_get_serial_sequence to get the
+            # underlying sequence name from the table name and column name.
+
+            for f in model._meta.local_fields:
+                if isinstance(f, models.AutoField):
+                    output.append(
+                        "%s setval(pg_get_serial_sequence('%s','%s'), "
+                        "coalesce(max(%s), 1), max(%s) %s null) %s %s;"
+                        % (
+                            style.SQL_KEYWORD("SELECT"),
+                            style.SQL_TABLE(qn(model._meta.db_table)),
+                            style.SQL_FIELD(f.column),
+                            style.SQL_FIELD(qn(f.column)),
+                            style.SQL_FIELD(qn(f.column)),
+                            style.SQL_KEYWORD("IS NOT"),
+                            style.SQL_KEYWORD("FROM"),
+                            style.SQL_TABLE(qn(model._meta.db_table)),
+                        )
+                    )
+                    # Only one AutoField is allowed per model, so don't bother
+                    # continuing.
+                    break
+        return output
+
+    def prep_for_iexact_query(self, x):
+        return x
+
+    def max_name_length(self):
+        """
+        Return the maximum length of an identifier.
+
+        The maximum length of an identifier is 63 by default, but can be
+        changed by recompiling PostgreSQL after editing the NAMEDATALEN
+        macro in src/include/pg_config_manual.h.
+
+        This implementation returns 63, but can be overridden by a custom
+        database backend that inherits most of its behavior from this one.
+        """
+        return 63
+
+    def distinct_sql(self, fields, params):
+        if fields:
+            params = [param for param_list in params for param in param_list]
+            return (["DISTINCT ON (%s)" % ", ".join(fields)], params)
+        else:
+            return ["DISTINCT"], []
+
+    if is_psycopg3:
+
+        def last_executed_query(self, cursor, sql, params):
+            try:
+                return self.compose_sql(sql, params)
+            except errors.DataError:
+                return None
+
+    else:
+
+        def last_executed_query(self, cursor, sql, params):
+            # https://www.psycopg.org/docs/cursor.html#cursor.query
+            # The query attribute is a Psycopg extension to the DB API 2.0.
+            if cursor.query is not None:
+                return cursor.query.decode()
+            return None
+
+    def return_insert_columns(self, fields):
+        if not fields:
+            return "", ()
+        columns = [
+            "%s.%s"
+            % (
+                self.quote_name(field.model._meta.db_table),
+                self.quote_name(field.column),
+            )
+            for field in fields
+        ]
+        return "RETURNING %s" % ", ".join(columns), ()
+
+    def bulk_insert_sql(self, fields, placeholder_rows):
+        placeholder_rows_sql = (", ".join(row) for row in placeholder_rows)
+        values_sql = ", ".join("(%s)" % sql for sql in placeholder_rows_sql)
+        return "VALUES " + values_sql
+
+    if is_psycopg3:
+
+        def adapt_integerfield_value(self, value, internal_type):
+            if value is None or hasattr(value, "resolve_expression"):
+                return value
+            return self.integerfield_type_map[internal_type](value)
+
+    def adapt_datefield_value(self, value):
+        return value
+
+    def adapt_datetimefield_value(self, value):
+        return value
+
+    def adapt_timefield_value(self, value):
+        return value
+
+    def adapt_decimalfield_value(self, value, max_digits=None, decimal_places=None):
+        return value
+
+    def adapt_ipaddressfield_value(self, value):
+        if value:
+            return Inet(value)
+        return None
+
+    def adapt_json_value(self, value, encoder):
+        return Jsonb(value, dumps=get_json_dumps(encoder))
+
+    def subtract_temporals(self, internal_type, lhs, rhs):
+        if internal_type == "DateField":
+            lhs_sql, lhs_params = lhs
+            rhs_sql, rhs_params = rhs
+            params = (*lhs_params, *rhs_params)
+            return "(interval '1 day' * (%s - %s))" % (lhs_sql, rhs_sql), params
+        return super().subtract_temporals(internal_type, lhs, rhs)
+
+    def explain_query_prefix(self, format=None, **options):
+        extra = {}
+        # Normalize options.
+        if options:
+            options = {
+                name.upper(): "true" if value else "false"
+                for name, value in options.items()
+            }
+            for valid_option in self.explain_options:
+                value = options.pop(valid_option, None)
+                if value is not None:
+                    extra[valid_option] = value
+        prefix = super().explain_query_prefix(format, **options)
+        if format:
+            extra["FORMAT"] = format
+        if extra:
+            prefix += " (%s)" % ", ".join("%s %s" % i for i in extra.items())
+        return prefix
+
+    def on_conflict_suffix_sql(self, fields, on_conflict, update_fields, unique_fields):
+        if on_conflict == OnConflict.IGNORE:
+            return "ON CONFLICT DO NOTHING"
+        if on_conflict == OnConflict.UPDATE:
+            return "ON CONFLICT(%s) DO UPDATE SET %s" % (
+                ", ".join(map(self.quote_name, unique_fields)),
+                ", ".join(
+                    [
+                        f"{field} = EXCLUDED.{field}"
+                        for field in map(self.quote_name, update_fields)
+                    ]
+                ),
+            )
+        return super().on_conflict_suffix_sql(
+            fields,
+            on_conflict,
+            update_fields,
+            unique_fields,
+        )
+
+    def prepare_join_on_clause(self, lhs_table, lhs_field, rhs_table, rhs_field):
+        lhs_expr, rhs_expr = super().prepare_join_on_clause(
+            lhs_table, lhs_field, rhs_table, rhs_field
+        )
+
+        if lhs_field.db_type(self.connection) != rhs_field.db_type(self.connection):
+            rhs_expr = Cast(rhs_expr, lhs_field)
+
+        return lhs_expr, rhs_expr
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/psycopg_any.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/psycopg_any.py
new file mode 100644
index 00000000..1fe6b15c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/psycopg_any.py
@@ -0,0 +1,103 @@
+import ipaddress
+from functools import lru_cache
+
+try:
+    from psycopg import ClientCursor, IsolationLevel, adapt, adapters, errors, sql
+    from psycopg.postgres import types
+    from psycopg.types.datetime import TimestamptzLoader
+    from psycopg.types.json import Jsonb
+    from psycopg.types.range import Range, RangeDumper
+    from psycopg.types.string import TextLoader
+
+    Inet = ipaddress.ip_address
+
+    DateRange = DateTimeRange = DateTimeTZRange = NumericRange = Range
+    RANGE_TYPES = (Range,)
+
+    TSRANGE_OID = types["tsrange"].oid
+    TSTZRANGE_OID = types["tstzrange"].oid
+
+    def mogrify(sql, params, connection):
+        with connection.cursor() as cursor:
+            return ClientCursor(cursor.connection).mogrify(sql, params)
+
+    # Adapters.
+    class BaseTzLoader(TimestamptzLoader):
+        """
+        Load a PostgreSQL timestamptz using the a specific timezone.
+        The timezone can be None too, in which case it will be chopped.
+        """
+
+        timezone = None
+
+        def load(self, data):
+            res = super().load(data)
+            return res.replace(tzinfo=self.timezone)
+
+    def register_tzloader(tz, context):
+        class SpecificTzLoader(BaseTzLoader):
+            timezone = tz
+
+        context.adapters.register_loader("timestamptz", SpecificTzLoader)
+
+    class DjangoRangeDumper(RangeDumper):
+        """A Range dumper customized for Django."""
+
+        def upgrade(self, obj, format):
+            # Dump ranges containing naive datetimes as tstzrange, because
+            # Django doesn't use tz-aware ones.
+            dumper = super().upgrade(obj, format)
+            if dumper is not self and dumper.oid == TSRANGE_OID:
+                dumper.oid = TSTZRANGE_OID
+            return dumper
+
+    @lru_cache
+    def get_adapters_template(use_tz, timezone):
+        # Create at adapters map extending the base one.
+        ctx = adapt.AdaptersMap(adapters)
+        # Register a no-op dumper to avoid a round trip from psycopg version 3
+        # decode to json.dumps() to json.loads(), when using a custom decoder
+        # in JSONField.
+        ctx.register_loader("jsonb", TextLoader)
+        # Don't convert automatically from PostgreSQL network types to Python
+        # ipaddress.
+        ctx.register_loader("inet", TextLoader)
+        ctx.register_loader("cidr", TextLoader)
+        ctx.register_dumper(Range, DjangoRangeDumper)
+        # Register a timestamptz loader configured on self.timezone.
+        # This, however, can be overridden by create_cursor.
+        register_tzloader(timezone, ctx)
+        return ctx
+
+    is_psycopg3 = True
+
+except ImportError:
+    from enum import IntEnum
+
+    from psycopg2 import errors, extensions, sql  # NOQA
+    from psycopg2.extras import DateRange, DateTimeRange, DateTimeTZRange, Inet  # NOQA
+    from psycopg2.extras import Json as Jsonb  # NOQA
+    from psycopg2.extras import NumericRange, Range  # NOQA
+
+    RANGE_TYPES = (DateRange, DateTimeRange, DateTimeTZRange, NumericRange)
+
+    class IsolationLevel(IntEnum):
+        READ_UNCOMMITTED = extensions.ISOLATION_LEVEL_READ_UNCOMMITTED
+        READ_COMMITTED = extensions.ISOLATION_LEVEL_READ_COMMITTED
+        REPEATABLE_READ = extensions.ISOLATION_LEVEL_REPEATABLE_READ
+        SERIALIZABLE = extensions.ISOLATION_LEVEL_SERIALIZABLE
+
+    def _quote(value, connection=None):
+        adapted = extensions.adapt(value)
+        if hasattr(adapted, "encoding"):
+            adapted.encoding = "utf8"
+        # getquoted() returns a quoted bytestring of the adapted value.
+        return adapted.getquoted().decode()
+
+    sql.quote = _quote
+
+    def mogrify(sql, params, connection):
+        with connection.cursor() as cursor:
+            return cursor.mogrify(sql, params).decode()
+
+    is_psycopg3 = False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/schema.py
new file mode 100644
index 00000000..842830be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/postgresql/schema.py
@@ -0,0 +1,388 @@
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
+from django.db.backends.ddl_references import IndexColumns
+from django.db.backends.postgresql.psycopg_any import sql
+from django.db.backends.utils import strip_quotes
+
+
+class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
+    # Setting all constraints to IMMEDIATE to allow changing data in the same
+    # transaction.
+    sql_update_with_default = (
+        "UPDATE %(table)s SET %(column)s = %(default)s WHERE %(column)s IS NULL"
+        "; SET CONSTRAINTS ALL IMMEDIATE"
+    )
+    sql_alter_sequence_type = "ALTER SEQUENCE IF EXISTS %(sequence)s AS %(type)s"
+    sql_delete_sequence = "DROP SEQUENCE IF EXISTS %(sequence)s CASCADE"
+
+    sql_create_index = (
+        "CREATE INDEX %(name)s ON %(table)s%(using)s "
+        "(%(columns)s)%(include)s%(extra)s%(condition)s"
+    )
+    sql_create_index_concurrently = (
+        "CREATE INDEX CONCURRENTLY %(name)s ON %(table)s%(using)s "
+        "(%(columns)s)%(include)s%(extra)s%(condition)s"
+    )
+    sql_delete_index = "DROP INDEX IF EXISTS %(name)s"
+    sql_delete_index_concurrently = "DROP INDEX CONCURRENTLY IF EXISTS %(name)s"
+
+    # Setting the constraint to IMMEDIATE to allow changing data in the same
+    # transaction.
+    sql_create_column_inline_fk = (
+        "CONSTRAINT %(name)s REFERENCES %(to_table)s(%(to_column)s)%(deferrable)s"
+        "; SET CONSTRAINTS %(namespace)s%(name)s IMMEDIATE"
+    )
+    # Setting the constraint to IMMEDIATE runs any deferred checks to allow
+    # dropping it in the same transaction.
+    sql_delete_fk = (
+        "SET CONSTRAINTS %(name)s IMMEDIATE; "
+        "ALTER TABLE %(table)s DROP CONSTRAINT %(name)s"
+    )
+    sql_delete_procedure = "DROP FUNCTION %(procedure)s(%(param_types)s)"
+
+    def execute(self, sql, params=()):
+        # Merge the query client-side, as PostgreSQL won't do it server-side.
+        if params is None:
+            return super().execute(sql, params)
+        sql = self.connection.ops.compose_sql(str(sql), params)
+        # Don't let the superclass touch anything.
+        return super().execute(sql, None)
+
+    sql_add_identity = (
+        "ALTER TABLE %(table)s ALTER COLUMN %(column)s ADD "
+        "GENERATED BY DEFAULT AS IDENTITY"
+    )
+    sql_drop_indentity = (
+        "ALTER TABLE %(table)s ALTER COLUMN %(column)s DROP IDENTITY IF EXISTS"
+    )
+
+    def quote_value(self, value):
+        return sql.quote(value, self.connection.connection)
+
+    def _field_indexes_sql(self, model, field):
+        output = super()._field_indexes_sql(model, field)
+        like_index_statement = self._create_like_index_sql(model, field)
+        if like_index_statement is not None:
+            output.append(like_index_statement)
+        return output
+
+    def _field_data_type(self, field):
+        if field.is_relation:
+            return field.rel_db_type(self.connection)
+        return self.connection.data_types.get(
+            field.get_internal_type(),
+            field.db_type(self.connection),
+        )
+
+    def _field_base_data_types(self, field):
+        # Yield base data types for array fields.
+        if field.base_field.get_internal_type() == "ArrayField":
+            yield from self._field_base_data_types(field.base_field)
+        else:
+            yield self._field_data_type(field.base_field)
+
+    def _create_like_index_sql(self, model, field):
+        """
+        Return the statement to create an index with varchar operator pattern
+        when the column type is 'varchar' or 'text', otherwise return None.
+        """
+        db_type = field.db_type(connection=self.connection)
+        if db_type is not None and (field.db_index or field.unique):
+            # Fields with database column types of `varchar` and `text` need
+            # a second index that specifies their operator class, which is
+            # needed when performing correct LIKE queries outside the
+            # C locale. See #12234.
+            #
+            # The same doesn't apply to array fields such as varchar[size]
+            # and text[size], so skip them.
+            if "[" in db_type:
+                return None
+            # Non-deterministic collations on Postgresql don't support indexes
+            # for operator classes varchar_pattern_ops/text_pattern_ops.
+            collation_name = getattr(field, "db_collation", None)
+            if not collation_name and field.is_relation:
+                collation_name = getattr(field.target_field, "db_collation", None)
+            if collation_name and not self._is_collation_deterministic(collation_name):
+                return None
+            if db_type.startswith("varchar"):
+                return self._create_index_sql(
+                    model,
+                    fields=[field],
+                    suffix="_like",
+                    opclasses=["varchar_pattern_ops"],
+                )
+            elif db_type.startswith("text"):
+                return self._create_index_sql(
+                    model,
+                    fields=[field],
+                    suffix="_like",
+                    opclasses=["text_pattern_ops"],
+                )
+        return None
+
+    def _using_sql(self, new_field, old_field):
+        using_sql = " USING %(column)s::%(type)s"
+        new_internal_type = new_field.get_internal_type()
+        old_internal_type = old_field.get_internal_type()
+        if new_internal_type == "ArrayField" and new_internal_type == old_internal_type:
+            # Compare base data types for array fields.
+            if list(self._field_base_data_types(old_field)) != list(
+                self._field_base_data_types(new_field)
+            ):
+                return using_sql
+        elif self._field_data_type(old_field) != self._field_data_type(new_field):
+            return using_sql
+        return ""
+
+    def _get_sequence_name(self, table, column):
+        with self.connection.cursor() as cursor:
+            for sequence in self.connection.introspection.get_sequences(cursor, table):
+                if sequence["column"] == column:
+                    return sequence["name"]
+        return None
+
+    def _alter_column_type_sql(
+        self, model, old_field, new_field, new_type, old_collation, new_collation
+    ):
+        # Drop indexes on varchar/text/citext columns that are changing to a
+        # different type.
+        old_db_params = old_field.db_parameters(connection=self.connection)
+        old_type = old_db_params["type"]
+        if (old_field.db_index or old_field.unique) and (
+            (old_type.startswith("varchar") and not new_type.startswith("varchar"))
+            or (old_type.startswith("text") and not new_type.startswith("text"))
+            or (old_type.startswith("citext") and not new_type.startswith("citext"))
+        ):
+            index_name = self._create_index_name(
+                model._meta.db_table, [old_field.column], suffix="_like"
+            )
+            self.execute(self._delete_index_sql(model, index_name))
+
+        self.sql_alter_column_type = (
+            "ALTER COLUMN %(column)s TYPE %(type)s%(collation)s"
+        )
+        # Cast when data type changed.
+        if using_sql := self._using_sql(new_field, old_field):
+            self.sql_alter_column_type += using_sql
+        new_internal_type = new_field.get_internal_type()
+        old_internal_type = old_field.get_internal_type()
+        # Make ALTER TYPE with IDENTITY make sense.
+        table = strip_quotes(model._meta.db_table)
+        auto_field_types = {
+            "AutoField",
+            "BigAutoField",
+            "SmallAutoField",
+        }
+        old_is_auto = old_internal_type in auto_field_types
+        new_is_auto = new_internal_type in auto_field_types
+        if new_is_auto and not old_is_auto:
+            column = strip_quotes(new_field.column)
+            return (
+                (
+                    self.sql_alter_column_type
+                    % {
+                        "column": self.quote_name(column),
+                        "type": new_type,
+                        "collation": "",
+                    },
+                    [],
+                ),
+                [
+                    (
+                        self.sql_add_identity
+                        % {
+                            "table": self.quote_name(table),
+                            "column": self.quote_name(column),
+                        },
+                        [],
+                    ),
+                ],
+            )
+        elif old_is_auto and not new_is_auto:
+            # Drop IDENTITY if exists (pre-Django 4.1 serial columns don't have
+            # it).
+            self.execute(
+                self.sql_drop_indentity
+                % {
+                    "table": self.quote_name(table),
+                    "column": self.quote_name(strip_quotes(new_field.column)),
+                }
+            )
+            column = strip_quotes(new_field.column)
+            fragment, _ = super()._alter_column_type_sql(
+                model, old_field, new_field, new_type, old_collation, new_collation
+            )
+            # Drop the sequence if exists (Django 4.1+ identity columns don't
+            # have it).
+            other_actions = []
+            if sequence_name := self._get_sequence_name(table, column):
+                other_actions = [
+                    (
+                        self.sql_delete_sequence
+                        % {
+                            "sequence": self.quote_name(sequence_name),
+                        },
+                        [],
+                    )
+                ]
+            return fragment, other_actions
+        elif new_is_auto and old_is_auto and old_internal_type != new_internal_type:
+            fragment, _ = super()._alter_column_type_sql(
+                model, old_field, new_field, new_type, old_collation, new_collation
+            )
+            column = strip_quotes(new_field.column)
+            db_types = {
+                "AutoField": "integer",
+                "BigAutoField": "bigint",
+                "SmallAutoField": "smallint",
+            }
+            # Alter the sequence type if exists (Django 4.1+ identity columns
+            # don't have it).
+            other_actions = []
+            if sequence_name := self._get_sequence_name(table, column):
+                other_actions = [
+                    (
+                        self.sql_alter_sequence_type
+                        % {
+                            "sequence": self.quote_name(sequence_name),
+                            "type": db_types[new_internal_type],
+                        },
+                        [],
+                    ),
+                ]
+            return fragment, other_actions
+        else:
+            return super()._alter_column_type_sql(
+                model, old_field, new_field, new_type, old_collation, new_collation
+            )
+
+    def _alter_column_collation_sql(
+        self, model, new_field, new_type, new_collation, old_field
+    ):
+        sql = self.sql_alter_column_collate
+        # Cast when data type changed.
+        if using_sql := self._using_sql(new_field, old_field):
+            sql += using_sql
+        return (
+            sql
+            % {
+                "column": self.quote_name(new_field.column),
+                "type": new_type,
+                "collation": (
+                    " " + self._collate_sql(new_collation) if new_collation else ""
+                ),
+            },
+            [],
+        )
+
+    def _alter_field(
+        self,
+        model,
+        old_field,
+        new_field,
+        old_type,
+        new_type,
+        old_db_params,
+        new_db_params,
+        strict=False,
+    ):
+        super()._alter_field(
+            model,
+            old_field,
+            new_field,
+            old_type,
+            new_type,
+            old_db_params,
+            new_db_params,
+            strict,
+        )
+        # Added an index? Create any PostgreSQL-specific indexes.
+        if (not (old_field.db_index or old_field.unique) and new_field.db_index) or (
+            not old_field.unique and new_field.unique
+        ):
+            like_index_statement = self._create_like_index_sql(model, new_field)
+            if like_index_statement is not None:
+                self.execute(like_index_statement)
+
+        # Removed an index? Drop any PostgreSQL-specific indexes.
+        if old_field.unique and not (new_field.db_index or new_field.unique):
+            index_to_remove = self._create_index_name(
+                model._meta.db_table, [old_field.column], suffix="_like"
+            )
+            self.execute(self._delete_index_sql(model, index_to_remove))
+
+    def _index_columns(self, table, columns, col_suffixes, opclasses):
+        if opclasses:
+            return IndexColumns(
+                table,
+                columns,
+                self.quote_name,
+                col_suffixes=col_suffixes,
+                opclasses=opclasses,
+            )
+        return super()._index_columns(table, columns, col_suffixes, opclasses)
+
+    def add_index(self, model, index, concurrently=False):
+        self.execute(
+            index.create_sql(model, self, concurrently=concurrently), params=None
+        )
+
+    def remove_index(self, model, index, concurrently=False):
+        self.execute(index.remove_sql(model, self, concurrently=concurrently))
+
+    def _delete_index_sql(self, model, name, sql=None, concurrently=False):
+        sql = (
+            self.sql_delete_index_concurrently
+            if concurrently
+            else self.sql_delete_index
+        )
+        return super()._delete_index_sql(model, name, sql)
+
+    def _create_index_sql(
+        self,
+        model,
+        *,
+        fields=None,
+        name=None,
+        suffix="",
+        using="",
+        db_tablespace=None,
+        col_suffixes=(),
+        sql=None,
+        opclasses=(),
+        condition=None,
+        concurrently=False,
+        include=None,
+        expressions=None,
+    ):
+        sql = sql or (
+            self.sql_create_index
+            if not concurrently
+            else self.sql_create_index_concurrently
+        )
+        return super()._create_index_sql(
+            model,
+            fields=fields,
+            name=name,
+            suffix=suffix,
+            using=using,
+            db_tablespace=db_tablespace,
+            col_suffixes=col_suffixes,
+            sql=sql,
+            opclasses=opclasses,
+            condition=condition,
+            include=include,
+            expressions=expressions,
+        )
+
+    def _is_collation_deterministic(self, collation_name):
+        with self.connection.cursor() as cursor:
+            cursor.execute(
+                """
+                SELECT collisdeterministic
+                FROM pg_collation
+                WHERE collname = %s
+                """,
+                [collation_name],
+            )
+            row = cursor.fetchone()
+            return row[0] if row else None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/signals.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/signals.py
new file mode 100644
index 00000000..a8079d0d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/signals.py
@@ -0,0 +1,3 @@
+from django.dispatch import Signal
+
+connection_created = Signal()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/_functions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/_functions.py
new file mode 100644
index 00000000..0171b60f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/_functions.py
@@ -0,0 +1,512 @@
+"""
+Implementations of SQL functions for SQLite.
+"""
+
+import functools
+import random
+import statistics
+import zoneinfo
+from datetime import timedelta
+from hashlib import md5, sha1, sha224, sha256, sha384, sha512
+from math import (
+    acos,
+    asin,
+    atan,
+    atan2,
+    ceil,
+    cos,
+    degrees,
+    exp,
+    floor,
+    fmod,
+    log,
+    pi,
+    radians,
+    sin,
+    sqrt,
+    tan,
+)
+from re import search as re_search
+
+from django.db.backends.utils import (
+    split_tzname_delta,
+    typecast_time,
+    typecast_timestamp,
+)
+from django.utils import timezone
+from django.utils.duration import duration_microseconds
+
+
+def register(connection):
+    create_deterministic_function = functools.partial(
+        connection.create_function,
+        deterministic=True,
+    )
+    create_deterministic_function("django_date_extract", 2, _sqlite_datetime_extract)
+    create_deterministic_function("django_date_trunc", 4, _sqlite_date_trunc)
+    create_deterministic_function(
+        "django_datetime_cast_date", 3, _sqlite_datetime_cast_date
+    )
+    create_deterministic_function(
+        "django_datetime_cast_time", 3, _sqlite_datetime_cast_time
+    )
+    create_deterministic_function(
+        "django_datetime_extract", 4, _sqlite_datetime_extract
+    )
+    create_deterministic_function("django_datetime_trunc", 4, _sqlite_datetime_trunc)
+    create_deterministic_function("django_time_extract", 2, _sqlite_time_extract)
+    create_deterministic_function("django_time_trunc", 4, _sqlite_time_trunc)
+    create_deterministic_function("django_time_diff", 2, _sqlite_time_diff)
+    create_deterministic_function("django_timestamp_diff", 2, _sqlite_timestamp_diff)
+    create_deterministic_function("django_format_dtdelta", 3, _sqlite_format_dtdelta)
+    create_deterministic_function("regexp", 2, _sqlite_regexp)
+    create_deterministic_function("BITXOR", 2, _sqlite_bitxor)
+    create_deterministic_function("COT", 1, _sqlite_cot)
+    create_deterministic_function("LPAD", 3, _sqlite_lpad)
+    create_deterministic_function("MD5", 1, _sqlite_md5)
+    create_deterministic_function("REPEAT", 2, _sqlite_repeat)
+    create_deterministic_function("REVERSE", 1, _sqlite_reverse)
+    create_deterministic_function("RPAD", 3, _sqlite_rpad)
+    create_deterministic_function("SHA1", 1, _sqlite_sha1)
+    create_deterministic_function("SHA224", 1, _sqlite_sha224)
+    create_deterministic_function("SHA256", 1, _sqlite_sha256)
+    create_deterministic_function("SHA384", 1, _sqlite_sha384)
+    create_deterministic_function("SHA512", 1, _sqlite_sha512)
+    create_deterministic_function("SIGN", 1, _sqlite_sign)
+    # Don't use the built-in RANDOM() function because it returns a value
+    # in the range [-1 * 2^63, 2^63 - 1] instead of [0, 1).
+    connection.create_function("RAND", 0, random.random)
+    connection.create_aggregate("STDDEV_POP", 1, StdDevPop)
+    connection.create_aggregate("STDDEV_SAMP", 1, StdDevSamp)
+    connection.create_aggregate("VAR_POP", 1, VarPop)
+    connection.create_aggregate("VAR_SAMP", 1, VarSamp)
+    # Some math functions are enabled by default in SQLite 3.35+.
+    sql = "select sqlite_compileoption_used('ENABLE_MATH_FUNCTIONS')"
+    if not connection.execute(sql).fetchone()[0]:
+        create_deterministic_function("ACOS", 1, _sqlite_acos)
+        create_deterministic_function("ASIN", 1, _sqlite_asin)
+        create_deterministic_function("ATAN", 1, _sqlite_atan)
+        create_deterministic_function("ATAN2", 2, _sqlite_atan2)
+        create_deterministic_function("CEILING", 1, _sqlite_ceiling)
+        create_deterministic_function("COS", 1, _sqlite_cos)
+        create_deterministic_function("DEGREES", 1, _sqlite_degrees)
+        create_deterministic_function("EXP", 1, _sqlite_exp)
+        create_deterministic_function("FLOOR", 1, _sqlite_floor)
+        create_deterministic_function("LN", 1, _sqlite_ln)
+        create_deterministic_function("LOG", 2, _sqlite_log)
+        create_deterministic_function("MOD", 2, _sqlite_mod)
+        create_deterministic_function("PI", 0, _sqlite_pi)
+        create_deterministic_function("POWER", 2, _sqlite_power)
+        create_deterministic_function("RADIANS", 1, _sqlite_radians)
+        create_deterministic_function("SIN", 1, _sqlite_sin)
+        create_deterministic_function("SQRT", 1, _sqlite_sqrt)
+        create_deterministic_function("TAN", 1, _sqlite_tan)
+
+
+def _sqlite_datetime_parse(dt, tzname=None, conn_tzname=None):
+    if dt is None:
+        return None
+    try:
+        dt = typecast_timestamp(dt)
+    except (TypeError, ValueError):
+        return None
+    if conn_tzname:
+        dt = dt.replace(tzinfo=zoneinfo.ZoneInfo(conn_tzname))
+    if tzname is not None and tzname != conn_tzname:
+        tzname, sign, offset = split_tzname_delta(tzname)
+        if offset:
+            hours, minutes = offset.split(":")
+            offset_delta = timedelta(hours=int(hours), minutes=int(minutes))
+            dt += offset_delta if sign == "+" else -offset_delta
+        dt = timezone.localtime(dt, zoneinfo.ZoneInfo(tzname))
+    return dt
+
+
+def _sqlite_date_trunc(lookup_type, dt, tzname, conn_tzname):
+    dt = _sqlite_datetime_parse(dt, tzname, conn_tzname)
+    if dt is None:
+        return None
+    if lookup_type == "year":
+        return f"{dt.year:04d}-01-01"
+    elif lookup_type == "quarter":
+        month_in_quarter = dt.month - (dt.month - 1) % 3
+        return f"{dt.year:04d}-{month_in_quarter:02d}-01"
+    elif lookup_type == "month":
+        return f"{dt.year:04d}-{dt.month:02d}-01"
+    elif lookup_type == "week":
+        dt -= timedelta(days=dt.weekday())
+        return f"{dt.year:04d}-{dt.month:02d}-{dt.day:02d}"
+    elif lookup_type == "day":
+        return f"{dt.year:04d}-{dt.month:02d}-{dt.day:02d}"
+    raise ValueError(f"Unsupported lookup type: {lookup_type!r}")
+
+
+def _sqlite_time_trunc(lookup_type, dt, tzname, conn_tzname):
+    if dt is None:
+        return None
+    dt_parsed = _sqlite_datetime_parse(dt, tzname, conn_tzname)
+    if dt_parsed is None:
+        try:
+            dt = typecast_time(dt)
+        except (ValueError, TypeError):
+            return None
+    else:
+        dt = dt_parsed
+    if lookup_type == "hour":
+        return f"{dt.hour:02d}:00:00"
+    elif lookup_type == "minute":
+        return f"{dt.hour:02d}:{dt.minute:02d}:00"
+    elif lookup_type == "second":
+        return f"{dt.hour:02d}:{dt.minute:02d}:{dt.second:02d}"
+    raise ValueError(f"Unsupported lookup type: {lookup_type!r}")
+
+
+def _sqlite_datetime_cast_date(dt, tzname, conn_tzname):
+    dt = _sqlite_datetime_parse(dt, tzname, conn_tzname)
+    if dt is None:
+        return None
+    return dt.date().isoformat()
+
+
+def _sqlite_datetime_cast_time(dt, tzname, conn_tzname):
+    dt = _sqlite_datetime_parse(dt, tzname, conn_tzname)
+    if dt is None:
+        return None
+    return dt.time().isoformat()
+
+
+def _sqlite_datetime_extract(lookup_type, dt, tzname=None, conn_tzname=None):
+    dt = _sqlite_datetime_parse(dt, tzname, conn_tzname)
+    if dt is None:
+        return None
+    if lookup_type == "week_day":
+        return (dt.isoweekday() % 7) + 1
+    elif lookup_type == "iso_week_day":
+        return dt.isoweekday()
+    elif lookup_type == "week":
+        return dt.isocalendar().week
+    elif lookup_type == "quarter":
+        return ceil(dt.month / 3)
+    elif lookup_type == "iso_year":
+        return dt.isocalendar().year
+    else:
+        return getattr(dt, lookup_type)
+
+
+def _sqlite_datetime_trunc(lookup_type, dt, tzname, conn_tzname):
+    dt = _sqlite_datetime_parse(dt, tzname, conn_tzname)
+    if dt is None:
+        return None
+    if lookup_type == "year":
+        return f"{dt.year:04d}-01-01 00:00:00"
+    elif lookup_type == "quarter":
+        month_in_quarter = dt.month - (dt.month - 1) % 3
+        return f"{dt.year:04d}-{month_in_quarter:02d}-01 00:00:00"
+    elif lookup_type == "month":
+        return f"{dt.year:04d}-{dt.month:02d}-01 00:00:00"
+    elif lookup_type == "week":
+        dt -= timedelta(days=dt.weekday())
+        return f"{dt.year:04d}-{dt.month:02d}-{dt.day:02d} 00:00:00"
+    elif lookup_type == "day":
+        return f"{dt.year:04d}-{dt.month:02d}-{dt.day:02d} 00:00:00"
+    elif lookup_type == "hour":
+        return f"{dt.year:04d}-{dt.month:02d}-{dt.day:02d} {dt.hour:02d}:00:00"
+    elif lookup_type == "minute":
+        return (
+            f"{dt.year:04d}-{dt.month:02d}-{dt.day:02d} "
+            f"{dt.hour:02d}:{dt.minute:02d}:00"
+        )
+    elif lookup_type == "second":
+        return (
+            f"{dt.year:04d}-{dt.month:02d}-{dt.day:02d} "
+            f"{dt.hour:02d}:{dt.minute:02d}:{dt.second:02d}"
+        )
+    raise ValueError(f"Unsupported lookup type: {lookup_type!r}")
+
+
+def _sqlite_time_extract(lookup_type, dt):
+    if dt is None:
+        return None
+    try:
+        dt = typecast_time(dt)
+    except (ValueError, TypeError):
+        return None
+    return getattr(dt, lookup_type)
+
+
+def _sqlite_prepare_dtdelta_param(conn, param):
+    if conn in ["+", "-"]:
+        if isinstance(param, int):
+            return timedelta(0, 0, param)
+        else:
+            return typecast_timestamp(param)
+    return param
+
+
+def _sqlite_format_dtdelta(connector, lhs, rhs):
+    """
+    LHS and RHS can be either:
+    - An integer number of microseconds
+    - A string representing a datetime
+    - A scalar value, e.g. float
+    """
+    if connector is None or lhs is None or rhs is None:
+        return None
+    connector = connector.strip()
+    try:
+        real_lhs = _sqlite_prepare_dtdelta_param(connector, lhs)
+        real_rhs = _sqlite_prepare_dtdelta_param(connector, rhs)
+    except (ValueError, TypeError):
+        return None
+    if connector == "+":
+        # typecast_timestamp() returns a date or a datetime without timezone.
+        # It will be formatted as "%Y-%m-%d" or "%Y-%m-%d %H:%M:%S[.%f]"
+        out = str(real_lhs + real_rhs)
+    elif connector == "-":
+        out = str(real_lhs - real_rhs)
+    elif connector == "*":
+        out = real_lhs * real_rhs
+    else:
+        out = real_lhs / real_rhs
+    return out
+
+
+def _sqlite_time_diff(lhs, rhs):
+    if lhs is None or rhs is None:
+        return None
+    left = typecast_time(lhs)
+    right = typecast_time(rhs)
+    return (
+        (left.hour * 60 * 60 * 1000000)
+        + (left.minute * 60 * 1000000)
+        + (left.second * 1000000)
+        + (left.microsecond)
+        - (right.hour * 60 * 60 * 1000000)
+        - (right.minute * 60 * 1000000)
+        - (right.second * 1000000)
+        - (right.microsecond)
+    )
+
+
+def _sqlite_timestamp_diff(lhs, rhs):
+    if lhs is None or rhs is None:
+        return None
+    left = typecast_timestamp(lhs)
+    right = typecast_timestamp(rhs)
+    return duration_microseconds(left - right)
+
+
+def _sqlite_regexp(pattern, string):
+    if pattern is None or string is None:
+        return None
+    if not isinstance(string, str):
+        string = str(string)
+    return bool(re_search(pattern, string))
+
+
+def _sqlite_acos(x):
+    if x is None:
+        return None
+    return acos(x)
+
+
+def _sqlite_asin(x):
+    if x is None:
+        return None
+    return asin(x)
+
+
+def _sqlite_atan(x):
+    if x is None:
+        return None
+    return atan(x)
+
+
+def _sqlite_atan2(y, x):
+    if y is None or x is None:
+        return None
+    return atan2(y, x)
+
+
+def _sqlite_bitxor(x, y):
+    if x is None or y is None:
+        return None
+    return x ^ y
+
+
+def _sqlite_ceiling(x):
+    if x is None:
+        return None
+    return ceil(x)
+
+
+def _sqlite_cos(x):
+    if x is None:
+        return None
+    return cos(x)
+
+
+def _sqlite_cot(x):
+    if x is None:
+        return None
+    return 1 / tan(x)
+
+
+def _sqlite_degrees(x):
+    if x is None:
+        return None
+    return degrees(x)
+
+
+def _sqlite_exp(x):
+    if x is None:
+        return None
+    return exp(x)
+
+
+def _sqlite_floor(x):
+    if x is None:
+        return None
+    return floor(x)
+
+
+def _sqlite_ln(x):
+    if x is None:
+        return None
+    return log(x)
+
+
+def _sqlite_log(base, x):
+    if base is None or x is None:
+        return None
+    # Arguments reversed to match SQL standard.
+    return log(x, base)
+
+
+def _sqlite_lpad(text, length, fill_text):
+    if text is None or length is None or fill_text is None:
+        return None
+    delta = length - len(text)
+    if delta <= 0:
+        return text[:length]
+    return (fill_text * length)[:delta] + text
+
+
+def _sqlite_md5(text):
+    if text is None:
+        return None
+    return md5(text.encode()).hexdigest()
+
+
+def _sqlite_mod(x, y):
+    if x is None or y is None:
+        return None
+    return fmod(x, y)
+
+
+def _sqlite_pi():
+    return pi
+
+
+def _sqlite_power(x, y):
+    if x is None or y is None:
+        return None
+    return x**y
+
+
+def _sqlite_radians(x):
+    if x is None:
+        return None
+    return radians(x)
+
+
+def _sqlite_repeat(text, count):
+    if text is None or count is None:
+        return None
+    return text * count
+
+
+def _sqlite_reverse(text):
+    if text is None:
+        return None
+    return text[::-1]
+
+
+def _sqlite_rpad(text, length, fill_text):
+    if text is None or length is None or fill_text is None:
+        return None
+    return (text + fill_text * length)[:length]
+
+
+def _sqlite_sha1(text):
+    if text is None:
+        return None
+    return sha1(text.encode()).hexdigest()
+
+
+def _sqlite_sha224(text):
+    if text is None:
+        return None
+    return sha224(text.encode()).hexdigest()
+
+
+def _sqlite_sha256(text):
+    if text is None:
+        return None
+    return sha256(text.encode()).hexdigest()
+
+
+def _sqlite_sha384(text):
+    if text is None:
+        return None
+    return sha384(text.encode()).hexdigest()
+
+
+def _sqlite_sha512(text):
+    if text is None:
+        return None
+    return sha512(text.encode()).hexdigest()
+
+
+def _sqlite_sign(x):
+    if x is None:
+        return None
+    return (x > 0) - (x < 0)
+
+
+def _sqlite_sin(x):
+    if x is None:
+        return None
+    return sin(x)
+
+
+def _sqlite_sqrt(x):
+    if x is None:
+        return None
+    return sqrt(x)
+
+
+def _sqlite_tan(x):
+    if x is None:
+        return None
+    return tan(x)
+
+
+class ListAggregate(list):
+    step = list.append
+
+
+class StdDevPop(ListAggregate):
+    finalize = statistics.pstdev
+
+
+class StdDevSamp(ListAggregate):
+    finalize = statistics.stdev
+
+
+class VarPop(ListAggregate):
+    finalize = statistics.pvariance
+
+
+class VarSamp(ListAggregate):
+    finalize = statistics.variance
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/base.py
new file mode 100644
index 00000000..10a296c9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/base.py
@@ -0,0 +1,348 @@
+"""
+SQLite backend for the sqlite3 module in the standard library.
+"""
+
+import datetime
+import decimal
+import warnings
+from collections.abc import Mapping
+from itertools import chain, tee
+from sqlite3 import dbapi2 as Database
+
+from django.core.exceptions import ImproperlyConfigured
+from django.db import IntegrityError
+from django.db.backends.base.base import BaseDatabaseWrapper
+from django.utils.asyncio import async_unsafe
+from django.utils.dateparse import parse_date, parse_datetime, parse_time
+from django.utils.regex_helper import _lazy_re_compile
+
+from ._functions import register as register_functions
+from .client import DatabaseClient
+from .creation import DatabaseCreation
+from .features import DatabaseFeatures
+from .introspection import DatabaseIntrospection
+from .operations import DatabaseOperations
+from .schema import DatabaseSchemaEditor
+
+
+def decoder(conv_func):
+    """
+    Convert bytestrings from Python's sqlite3 interface to a regular string.
+    """
+    return lambda s: conv_func(s.decode())
+
+
+def adapt_date(val):
+    return val.isoformat()
+
+
+def adapt_datetime(val):
+    return val.isoformat(" ")
+
+
+Database.register_converter("bool", b"1".__eq__)
+Database.register_converter("date", decoder(parse_date))
+Database.register_converter("time", decoder(parse_time))
+Database.register_converter("datetime", decoder(parse_datetime))
+Database.register_converter("timestamp", decoder(parse_datetime))
+
+Database.register_adapter(decimal.Decimal, str)
+Database.register_adapter(datetime.date, adapt_date)
+Database.register_adapter(datetime.datetime, adapt_datetime)
+
+
+class DatabaseWrapper(BaseDatabaseWrapper):
+    vendor = "sqlite"
+    display_name = "SQLite"
+    # SQLite doesn't actually support most of these types, but it "does the right
+    # thing" given more verbose field definitions, so leave them as is so that
+    # schema inspection is more useful.
+    data_types = {
+        "AutoField": "integer",
+        "BigAutoField": "integer",
+        "BinaryField": "BLOB",
+        "BooleanField": "bool",
+        "CharField": "varchar(%(max_length)s)",
+        "DateField": "date",
+        "DateTimeField": "datetime",
+        "DecimalField": "decimal",
+        "DurationField": "bigint",
+        "FileField": "varchar(%(max_length)s)",
+        "FilePathField": "varchar(%(max_length)s)",
+        "FloatField": "real",
+        "IntegerField": "integer",
+        "BigIntegerField": "bigint",
+        "IPAddressField": "char(15)",
+        "GenericIPAddressField": "char(39)",
+        "JSONField": "text",
+        "OneToOneField": "integer",
+        "PositiveBigIntegerField": "bigint unsigned",
+        "PositiveIntegerField": "integer unsigned",
+        "PositiveSmallIntegerField": "smallint unsigned",
+        "SlugField": "varchar(%(max_length)s)",
+        "SmallAutoField": "integer",
+        "SmallIntegerField": "smallint",
+        "TextField": "text",
+        "TimeField": "time",
+        "UUIDField": "char(32)",
+    }
+    data_type_check_constraints = {
+        "PositiveBigIntegerField": '"%(column)s" >= 0',
+        "JSONField": '(JSON_VALID("%(column)s") OR "%(column)s" IS NULL)',
+        "PositiveIntegerField": '"%(column)s" >= 0',
+        "PositiveSmallIntegerField": '"%(column)s" >= 0',
+    }
+    data_types_suffix = {
+        "AutoField": "AUTOINCREMENT",
+        "BigAutoField": "AUTOINCREMENT",
+        "SmallAutoField": "AUTOINCREMENT",
+    }
+    # SQLite requires LIKE statements to include an ESCAPE clause if the value
+    # being escaped has a percent or underscore in it.
+    # See https://www.sqlite.org/lang_expr.html for an explanation.
+    operators = {
+        "exact": "= %s",
+        "iexact": "LIKE %s ESCAPE '\\'",
+        "contains": "LIKE %s ESCAPE '\\'",
+        "icontains": "LIKE %s ESCAPE '\\'",
+        "regex": "REGEXP %s",
+        "iregex": "REGEXP '(?i)' || %s",
+        "gt": "> %s",
+        "gte": ">= %s",
+        "lt": "< %s",
+        "lte": "<= %s",
+        "startswith": "LIKE %s ESCAPE '\\'",
+        "endswith": "LIKE %s ESCAPE '\\'",
+        "istartswith": "LIKE %s ESCAPE '\\'",
+        "iendswith": "LIKE %s ESCAPE '\\'",
+    }
+
+    # The patterns below are used to generate SQL pattern lookup clauses when
+    # the right-hand side of the lookup isn't a raw string (it might be an expression
+    # or the result of a bilateral transformation).
+    # In those cases, special characters for LIKE operators (e.g. \, *, _) should be
+    # escaped on database side.
+    #
+    # Note: we use str.format() here for readability as '%' is used as a wildcard for
+    # the LIKE operator.
+    pattern_esc = r"REPLACE(REPLACE(REPLACE({}, '\', '\\'), '%%', '\%%'), '_', '\_')"
+    pattern_ops = {
+        "contains": r"LIKE '%%' || {} || '%%' ESCAPE '\'",
+        "icontains": r"LIKE '%%' || UPPER({}) || '%%' ESCAPE '\'",
+        "startswith": r"LIKE {} || '%%' ESCAPE '\'",
+        "istartswith": r"LIKE UPPER({}) || '%%' ESCAPE '\'",
+        "endswith": r"LIKE '%%' || {} ESCAPE '\'",
+        "iendswith": r"LIKE '%%' || UPPER({}) ESCAPE '\'",
+    }
+
+    Database = Database
+    SchemaEditorClass = DatabaseSchemaEditor
+    # Classes instantiated in __init__().
+    client_class = DatabaseClient
+    creation_class = DatabaseCreation
+    features_class = DatabaseFeatures
+    introspection_class = DatabaseIntrospection
+    ops_class = DatabaseOperations
+
+    def get_connection_params(self):
+        settings_dict = self.settings_dict
+        if not settings_dict["NAME"]:
+            raise ImproperlyConfigured(
+                "settings.DATABASES is improperly configured. "
+                "Please supply the NAME value."
+            )
+        kwargs = {
+            "database": settings_dict["NAME"],
+            "detect_types": Database.PARSE_DECLTYPES | Database.PARSE_COLNAMES,
+            **settings_dict["OPTIONS"],
+        }
+        # Always allow the underlying SQLite connection to be shareable
+        # between multiple threads. The safe-guarding will be handled at a
+        # higher level by the `BaseDatabaseWrapper.allow_thread_sharing`
+        # property. This is necessary as the shareability is disabled by
+        # default in sqlite3 and it cannot be changed once a connection is
+        # opened.
+        if "check_same_thread" in kwargs and kwargs["check_same_thread"]:
+            warnings.warn(
+                "The `check_same_thread` option was provided and set to "
+                "True. It will be overridden with False. Use the "
+                "`DatabaseWrapper.allow_thread_sharing` property instead "
+                "for controlling thread shareability.",
+                RuntimeWarning,
+            )
+        kwargs.update({"check_same_thread": False, "uri": True})
+        return kwargs
+
+    def get_database_version(self):
+        return self.Database.sqlite_version_info
+
+    @async_unsafe
+    def get_new_connection(self, conn_params):
+        conn = Database.connect(**conn_params)
+        register_functions(conn)
+
+        conn.execute("PRAGMA foreign_keys = ON")
+        # The macOS bundled SQLite defaults legacy_alter_table ON, which
+        # prevents atomic table renames.
+        conn.execute("PRAGMA legacy_alter_table = OFF")
+        return conn
+
+    def create_cursor(self, name=None):
+        return self.connection.cursor(factory=SQLiteCursorWrapper)
+
+    @async_unsafe
+    def close(self):
+        self.validate_thread_sharing()
+        # If database is in memory, closing the connection destroys the
+        # database. To prevent accidental data loss, ignore close requests on
+        # an in-memory db.
+        if not self.is_in_memory_db():
+            BaseDatabaseWrapper.close(self)
+
+    def _savepoint_allowed(self):
+        # When 'isolation_level' is not None, sqlite3 commits before each
+        # savepoint; it's a bug. When it is None, savepoints don't make sense
+        # because autocommit is enabled. The only exception is inside 'atomic'
+        # blocks. To work around that bug, on SQLite, 'atomic' starts a
+        # transaction explicitly rather than simply disable autocommit.
+        return self.in_atomic_block
+
+    def _set_autocommit(self, autocommit):
+        if autocommit:
+            level = None
+        else:
+            # sqlite3's internal default is ''. It's different from None.
+            # See Modules/_sqlite/connection.c.
+            level = ""
+        # 'isolation_level' is a misleading API.
+        # SQLite always runs at the SERIALIZABLE isolation level.
+        with self.wrap_database_errors:
+            self.connection.isolation_level = level
+
+    def disable_constraint_checking(self):
+        with self.cursor() as cursor:
+            cursor.execute("PRAGMA foreign_keys = OFF")
+            # Foreign key constraints cannot be turned off while in a multi-
+            # statement transaction. Fetch the current state of the pragma
+            # to determine if constraints are effectively disabled.
+            enabled = cursor.execute("PRAGMA foreign_keys").fetchone()[0]
+        return not bool(enabled)
+
+    def enable_constraint_checking(self):
+        with self.cursor() as cursor:
+            cursor.execute("PRAGMA foreign_keys = ON")
+
+    def check_constraints(self, table_names=None):
+        """
+        Check each table name in `table_names` for rows with invalid foreign
+        key references. This method is intended to be used in conjunction with
+        `disable_constraint_checking()` and `enable_constraint_checking()`, to
+        determine if rows with invalid references were entered while constraint
+        checks were off.
+        """
+        with self.cursor() as cursor:
+            if table_names is None:
+                violations = cursor.execute("PRAGMA foreign_key_check").fetchall()
+            else:
+                violations = chain.from_iterable(
+                    cursor.execute(
+                        "PRAGMA foreign_key_check(%s)" % self.ops.quote_name(table_name)
+                    ).fetchall()
+                    for table_name in table_names
+                )
+            # See https://www.sqlite.org/pragma.html#pragma_foreign_key_check
+            for (
+                table_name,
+                rowid,
+                referenced_table_name,
+                foreign_key_index,
+            ) in violations:
+                foreign_key = cursor.execute(
+                    "PRAGMA foreign_key_list(%s)" % self.ops.quote_name(table_name)
+                ).fetchall()[foreign_key_index]
+                column_name, referenced_column_name = foreign_key[3:5]
+                primary_key_column_name = self.introspection.get_primary_key_column(
+                    cursor, table_name
+                )
+                primary_key_value, bad_value = cursor.execute(
+                    "SELECT %s, %s FROM %s WHERE rowid = %%s"
+                    % (
+                        self.ops.quote_name(primary_key_column_name),
+                        self.ops.quote_name(column_name),
+                        self.ops.quote_name(table_name),
+                    ),
+                    (rowid,),
+                ).fetchone()
+                raise IntegrityError(
+                    "The row in table '%s' with primary key '%s' has an "
+                    "invalid foreign key: %s.%s contains a value '%s' that "
+                    "does not have a corresponding value in %s.%s."
+                    % (
+                        table_name,
+                        primary_key_value,
+                        table_name,
+                        column_name,
+                        bad_value,
+                        referenced_table_name,
+                        referenced_column_name,
+                    )
+                )
+
+    def is_usable(self):
+        return True
+
+    def _start_transaction_under_autocommit(self):
+        """
+        Start a transaction explicitly in autocommit mode.
+
+        Staying in autocommit mode works around a bug of sqlite3 that breaks
+        savepoints when autocommit is disabled.
+        """
+        self.cursor().execute("BEGIN")
+
+    def is_in_memory_db(self):
+        return self.creation.is_in_memory_db(self.settings_dict["NAME"])
+
+
+FORMAT_QMARK_REGEX = _lazy_re_compile(r"(?<!%)%s")
+
+
+class SQLiteCursorWrapper(Database.Cursor):
+    """
+    Django uses the "format" and "pyformat" styles, but Python's sqlite3 module
+    supports neither of these styles.
+
+    This wrapper performs the following conversions:
+
+    - "format" style to "qmark" style
+    - "pyformat" style to "named" style
+
+    In both cases, if you want to use a literal "%s", you'll need to use "%%s".
+    """
+
+    def execute(self, query, params=None):
+        if params is None:
+            return super().execute(query)
+        # Extract names if params is a mapping, i.e. "pyformat" style is used.
+        param_names = list(params) if isinstance(params, Mapping) else None
+        query = self.convert_query(query, param_names=param_names)
+        return super().execute(query, params)
+
+    def executemany(self, query, param_list):
+        # Extract names if params is a mapping, i.e. "pyformat" style is used.
+        # Peek carefully as a generator can be passed instead of a list/tuple.
+        peekable, param_list = tee(iter(param_list))
+        if (params := next(peekable, None)) and isinstance(params, Mapping):
+            param_names = list(params)
+        else:
+            param_names = None
+        query = self.convert_query(query, param_names=param_names)
+        return super().executemany(query, param_list)
+
+    def convert_query(self, query, *, param_names=None):
+        if param_names is None:
+            # Convert from "format" style to "qmark" style.
+            return FORMAT_QMARK_REGEX.sub("?", query).replace("%%", "%")
+        else:
+            # Convert from "pyformat" style to "named" style.
+            return query % {name: f":{name}" for name in param_names}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/client.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/client.py
new file mode 100644
index 00000000..7cee35dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/client.py
@@ -0,0 +1,10 @@
+from django.db.backends.base.client import BaseDatabaseClient
+
+
+class DatabaseClient(BaseDatabaseClient):
+    executable_name = "sqlite3"
+
+    @classmethod
+    def settings_to_cmd_args_env(cls, settings_dict, parameters):
+        args = [cls.executable_name, settings_dict["NAME"], *parameters]
+        return args, None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/creation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/creation.py
new file mode 100644
index 00000000..a9fd520b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/creation.py
@@ -0,0 +1,159 @@
+import multiprocessing
+import os
+import shutil
+import sqlite3
+import sys
+from pathlib import Path
+
+from django.db import NotSupportedError
+from django.db.backends.base.creation import BaseDatabaseCreation
+
+
+class DatabaseCreation(BaseDatabaseCreation):
+    @staticmethod
+    def is_in_memory_db(database_name):
+        return not isinstance(database_name, Path) and (
+            database_name == ":memory:" or "mode=memory" in database_name
+        )
+
+    def _get_test_db_name(self):
+        test_database_name = self.connection.settings_dict["TEST"]["NAME"] or ":memory:"
+        if test_database_name == ":memory:":
+            return "file:memorydb_%s?mode=memory&cache=shared" % self.connection.alias
+        return test_database_name
+
+    def _create_test_db(self, verbosity, autoclobber, keepdb=False):
+        test_database_name = self._get_test_db_name()
+
+        if keepdb:
+            return test_database_name
+        if not self.is_in_memory_db(test_database_name):
+            # Erase the old test database
+            if verbosity >= 1:
+                self.log(
+                    "Destroying old test database for alias %s..."
+                    % (self._get_database_display_str(verbosity, test_database_name),)
+                )
+            if os.access(test_database_name, os.F_OK):
+                if not autoclobber:
+                    confirm = input(
+                        "Type 'yes' if you would like to try deleting the test "
+                        "database '%s', or 'no' to cancel: " % test_database_name
+                    )
+                if autoclobber or confirm == "yes":
+                    try:
+                        os.remove(test_database_name)
+                    except Exception as e:
+                        self.log("Got an error deleting the old test database: %s" % e)
+                        sys.exit(2)
+                else:
+                    self.log("Tests cancelled.")
+                    sys.exit(1)
+        return test_database_name
+
+    def get_test_db_clone_settings(self, suffix):
+        orig_settings_dict = self.connection.settings_dict
+        source_database_name = orig_settings_dict["NAME"] or ":memory:"
+
+        if not self.is_in_memory_db(source_database_name):
+            root, ext = os.path.splitext(source_database_name)
+            return {**orig_settings_dict, "NAME": f"{root}_{suffix}{ext}"}
+
+        start_method = multiprocessing.get_start_method()
+        if start_method == "fork":
+            return orig_settings_dict
+        if start_method == "spawn":
+            return {
+                **orig_settings_dict,
+                "NAME": f"{self.connection.alias}_{suffix}.sqlite3",
+            }
+        raise NotSupportedError(
+            f"Cloning with start method {start_method!r} is not supported."
+        )
+
+    def _clone_test_db(self, suffix, verbosity, keepdb=False):
+        source_database_name = self.connection.settings_dict["NAME"]
+        target_database_name = self.get_test_db_clone_settings(suffix)["NAME"]
+        if not self.is_in_memory_db(source_database_name):
+            # Erase the old test database
+            if os.access(target_database_name, os.F_OK):
+                if keepdb:
+                    return
+                if verbosity >= 1:
+                    self.log(
+                        "Destroying old test database for alias %s..."
+                        % (
+                            self._get_database_display_str(
+                                verbosity, target_database_name
+                            ),
+                        )
+                    )
+                try:
+                    os.remove(target_database_name)
+                except Exception as e:
+                    self.log("Got an error deleting the old test database: %s" % e)
+                    sys.exit(2)
+            try:
+                shutil.copy(source_database_name, target_database_name)
+            except Exception as e:
+                self.log("Got an error cloning the test database: %s" % e)
+                sys.exit(2)
+        # Forking automatically makes a copy of an in-memory database.
+        # Spawn requires migrating to disk which will be re-opened in
+        # setup_worker_connection.
+        elif multiprocessing.get_start_method() == "spawn":
+            ondisk_db = sqlite3.connect(target_database_name, uri=True)
+            self.connection.connection.backup(ondisk_db)
+            ondisk_db.close()
+
+    def _destroy_test_db(self, test_database_name, verbosity):
+        if test_database_name and not self.is_in_memory_db(test_database_name):
+            # Remove the SQLite database file
+            os.remove(test_database_name)
+
+    def test_db_signature(self):
+        """
+        Return a tuple that uniquely identifies a test database.
+
+        This takes into account the special cases of ":memory:" and "" for
+        SQLite since the databases will be distinct despite having the same
+        TEST NAME. See https://www.sqlite.org/inmemorydb.html
+        """
+        test_database_name = self._get_test_db_name()
+        sig = [self.connection.settings_dict["NAME"]]
+        if self.is_in_memory_db(test_database_name):
+            sig.append(self.connection.alias)
+        else:
+            sig.append(test_database_name)
+        return tuple(sig)
+
+    def setup_worker_connection(self, _worker_id):
+        settings_dict = self.get_test_db_clone_settings(_worker_id)
+        # connection.settings_dict must be updated in place for changes to be
+        # reflected in django.db.connections. Otherwise new threads would
+        # connect to the default database instead of the appropriate clone.
+        start_method = multiprocessing.get_start_method()
+        if start_method == "fork":
+            # Update settings_dict in place.
+            self.connection.settings_dict.update(settings_dict)
+            self.connection.close()
+        elif start_method == "spawn":
+            alias = self.connection.alias
+            connection_str = (
+                f"file:memorydb_{alias}_{_worker_id}?mode=memory&cache=shared"
+            )
+            source_db = self.connection.Database.connect(
+                f"file:{alias}_{_worker_id}.sqlite3", uri=True
+            )
+            target_db = sqlite3.connect(connection_str, uri=True)
+            source_db.backup(target_db)
+            source_db.close()
+            # Update settings_dict in place.
+            self.connection.settings_dict.update(settings_dict)
+            self.connection.settings_dict["NAME"] = connection_str
+            # Re-open connection to in-memory database before closing copy
+            # connection.
+            self.connection.connect()
+            target_db.close()
+            if os.environ.get("RUNNING_DJANGOS_TEST_SUITE") == "true":
+                self.mark_expected_failures_and_skips()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/features.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/features.py
new file mode 100644
index 00000000..32ea770d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/features.py
@@ -0,0 +1,155 @@
+import operator
+
+from django.db import transaction
+from django.db.backends.base.features import BaseDatabaseFeatures
+from django.db.utils import OperationalError
+from django.utils.functional import cached_property
+
+from .base import Database
+
+
+class DatabaseFeatures(BaseDatabaseFeatures):
+    minimum_database_version = (3, 27)
+    test_db_allows_multiple_connections = False
+    supports_unspecified_pk = True
+    supports_timezones = False
+    max_query_params = 999
+    supports_transactions = True
+    atomic_transactions = False
+    can_rollback_ddl = True
+    can_create_inline_fk = False
+    requires_literal_defaults = True
+    can_clone_databases = True
+    supports_temporal_subtraction = True
+    ignores_table_name_case = True
+    supports_cast_with_precision = False
+    time_cast_precision = 3
+    can_release_savepoints = True
+    has_case_insensitive_like = True
+    # Is "ALTER TABLE ... DROP COLUMN" supported?
+    can_alter_table_drop_column = Database.sqlite_version_info >= (3, 35, 5)
+    supports_parentheses_in_compound = False
+    can_defer_constraint_checks = True
+    supports_over_clause = True
+    supports_frame_range_fixed_distance = Database.sqlite_version_info >= (3, 28, 0)
+    supports_aggregate_filter_clause = Database.sqlite_version_info >= (3, 30, 1)
+    supports_order_by_nulls_modifier = Database.sqlite_version_info >= (3, 30, 0)
+    # NULLS LAST/FIRST emulation on < 3.30 requires subquery wrapping.
+    requires_compound_order_by_subquery = Database.sqlite_version_info < (3, 30)
+    order_by_nulls_first = True
+    supports_json_field_contains = False
+    supports_update_conflicts = True
+    supports_update_conflicts_with_target = True
+    supports_stored_generated_columns = Database.sqlite_version_info >= (3, 31, 0)
+    supports_virtual_generated_columns = Database.sqlite_version_info >= (3, 31, 0)
+    test_collations = {
+        "ci": "nocase",
+        "cs": "binary",
+        "non_default": "nocase",
+        "virtual": "nocase",
+    }
+    django_test_expected_failures = {
+        # The django_format_dtdelta() function doesn't properly handle mixed
+        # Date/DateTime fields and timedeltas.
+        "expressions.tests.FTimeDeltaTests.test_mixed_comparisons1",
+    }
+    create_test_table_with_composite_primary_key = """
+        CREATE TABLE test_table_composite_pk (
+            column_1 INTEGER NOT NULL,
+            column_2 INTEGER NOT NULL,
+            PRIMARY KEY(column_1, column_2)
+        )
+    """
+    insert_test_table_with_defaults = 'INSERT INTO {} ("null") VALUES (1)'
+    supports_default_keyword_in_insert = False
+
+    @cached_property
+    def django_test_skips(self):
+        skips = {
+            "SQLite stores values rounded to 15 significant digits.": {
+                "model_fields.test_decimalfield.DecimalFieldTests."
+                "test_fetch_from_db_without_float_rounding",
+            },
+            "SQLite naively remakes the table on field alteration.": {
+                "schema.tests.SchemaTests.test_unique_no_unnecessary_fk_drops",
+                "schema.tests.SchemaTests.test_unique_and_reverse_m2m",
+                "schema.tests.SchemaTests."
+                "test_alter_field_default_doesnt_perform_queries",
+                "schema.tests.SchemaTests."
+                "test_rename_column_renames_deferred_sql_references",
+            },
+            "SQLite doesn't support negative precision for ROUND().": {
+                "db_functions.math.test_round.RoundTests."
+                "test_null_with_negative_precision",
+                "db_functions.math.test_round.RoundTests."
+                "test_decimal_with_negative_precision",
+                "db_functions.math.test_round.RoundTests."
+                "test_float_with_negative_precision",
+                "db_functions.math.test_round.RoundTests."
+                "test_integer_with_negative_precision",
+            },
+        }
+        if self.connection.is_in_memory_db():
+            skips.update(
+                {
+                    "the sqlite backend's close() method is a no-op when using an "
+                    "in-memory database": {
+                        "servers.test_liveserverthread.LiveServerThreadTest."
+                        "test_closes_connections",
+                        "servers.tests.LiveServerTestCloseConnectionTest."
+                        "test_closes_connections",
+                    },
+                    "For SQLite in-memory tests, closing the connection destroys"
+                    "the database.": {
+                        "test_utils.tests.AssertNumQueriesUponConnectionTests."
+                        "test_ignores_connection_configuration_queries",
+                    },
+                }
+            )
+        else:
+            skips.update(
+                {
+                    "Only connections to in-memory SQLite databases are passed to the "
+                    "server thread.": {
+                        "servers.tests.LiveServerInMemoryDatabaseLockTest."
+                        "test_in_memory_database_lock",
+                    },
+                    "multiprocessing's start method is checked only for in-memory "
+                    "SQLite databases": {
+                        "backends.sqlite.test_creation.TestDbSignatureTests."
+                        "test_get_test_db_clone_settings_not_supported",
+                    },
+                }
+            )
+        return skips
+
+    @cached_property
+    def introspected_field_types(self):
+        return {
+            **super().introspected_field_types,
+            "BigAutoField": "AutoField",
+            "DurationField": "BigIntegerField",
+            "GenericIPAddressField": "CharField",
+            "SmallAutoField": "AutoField",
+        }
+
+    @cached_property
+    def supports_json_field(self):
+        with self.connection.cursor() as cursor:
+            try:
+                with transaction.atomic(self.connection.alias):
+                    cursor.execute('SELECT JSON(\'{"a": "b"}\')')
+            except OperationalError:
+                return False
+        return True
+
+    can_introspect_json_field = property(operator.attrgetter("supports_json_field"))
+    has_json_object_function = property(operator.attrgetter("supports_json_field"))
+
+    @cached_property
+    def can_return_columns_from_insert(self):
+        return Database.sqlite_version_info >= (3, 35)
+
+    can_return_rows_from_bulk_insert = property(
+        operator.attrgetter("can_return_columns_from_insert")
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/introspection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/introspection.py
new file mode 100644
index 00000000..79aa1934
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/introspection.py
@@ -0,0 +1,440 @@
+from collections import namedtuple
+
+import sqlparse
+
+from django.db import DatabaseError
+from django.db.backends.base.introspection import BaseDatabaseIntrospection
+from django.db.backends.base.introspection import FieldInfo as BaseFieldInfo
+from django.db.backends.base.introspection import TableInfo
+from django.db.models import Index
+from django.utils.regex_helper import _lazy_re_compile
+
+FieldInfo = namedtuple(
+    "FieldInfo", BaseFieldInfo._fields + ("pk", "has_json_constraint")
+)
+
+field_size_re = _lazy_re_compile(r"^\s*(?:var)?char\s*\(\s*(\d+)\s*\)\s*$")
+
+
+def get_field_size(name):
+    """Extract the size number from a "varchar(11)" type name"""
+    m = field_size_re.search(name)
+    return int(m[1]) if m else None
+
+
+# This light wrapper "fakes" a dictionary interface, because some SQLite data
+# types include variables in them -- e.g. "varchar(30)" -- and can't be matched
+# as a simple dictionary lookup.
+class FlexibleFieldLookupDict:
+    # Maps SQL types to Django Field types. Some of the SQL types have multiple
+    # entries here because SQLite allows for anything and doesn't normalize the
+    # field type; it uses whatever was given.
+    base_data_types_reverse = {
+        "bool": "BooleanField",
+        "boolean": "BooleanField",
+        "smallint": "SmallIntegerField",
+        "smallint unsigned": "PositiveSmallIntegerField",
+        "smallinteger": "SmallIntegerField",
+        "int": "IntegerField",
+        "integer": "IntegerField",
+        "bigint": "BigIntegerField",
+        "integer unsigned": "PositiveIntegerField",
+        "bigint unsigned": "PositiveBigIntegerField",
+        "decimal": "DecimalField",
+        "real": "FloatField",
+        "text": "TextField",
+        "char": "CharField",
+        "varchar": "CharField",
+        "blob": "BinaryField",
+        "date": "DateField",
+        "datetime": "DateTimeField",
+        "time": "TimeField",
+    }
+
+    def __getitem__(self, key):
+        key = key.lower().split("(", 1)[0].strip()
+        return self.base_data_types_reverse[key]
+
+
+class DatabaseIntrospection(BaseDatabaseIntrospection):
+    data_types_reverse = FlexibleFieldLookupDict()
+
+    def get_field_type(self, data_type, description):
+        field_type = super().get_field_type(data_type, description)
+        if description.pk and field_type in {
+            "BigIntegerField",
+            "IntegerField",
+            "SmallIntegerField",
+        }:
+            # No support for BigAutoField or SmallAutoField as SQLite treats
+            # all integer primary keys as signed 64-bit integers.
+            return "AutoField"
+        if description.has_json_constraint:
+            return "JSONField"
+        return field_type
+
+    def get_table_list(self, cursor):
+        """Return a list of table and view names in the current database."""
+        # Skip the sqlite_sequence system table used for autoincrement key
+        # generation.
+        cursor.execute(
+            """
+            SELECT name, type FROM sqlite_master
+            WHERE type in ('table', 'view') AND NOT name='sqlite_sequence'
+            ORDER BY name"""
+        )
+        return [TableInfo(row[0], row[1][0]) for row in cursor.fetchall()]
+
+    def get_table_description(self, cursor, table_name):
+        """
+        Return a description of the table with the DB-API cursor.description
+        interface.
+        """
+        cursor.execute(
+            "PRAGMA table_xinfo(%s)" % self.connection.ops.quote_name(table_name)
+        )
+        table_info = cursor.fetchall()
+        if not table_info:
+            raise DatabaseError(f"Table {table_name} does not exist (empty pragma).")
+        collations = self._get_column_collations(cursor, table_name)
+        json_columns = set()
+        if self.connection.features.can_introspect_json_field:
+            for line in table_info:
+                column = line[1]
+                json_constraint_sql = '%%json_valid("%s")%%' % column
+                has_json_constraint = cursor.execute(
+                    """
+                    SELECT sql
+                    FROM sqlite_master
+                    WHERE
+                        type = 'table' AND
+                        name = %s AND
+                        sql LIKE %s
+                """,
+                    [table_name, json_constraint_sql],
+                ).fetchone()
+                if has_json_constraint:
+                    json_columns.add(column)
+        return [
+            FieldInfo(
+                name,
+                data_type,
+                get_field_size(data_type),
+                None,
+                None,
+                None,
+                not notnull,
+                default,
+                collations.get(name),
+                pk == 1,
+                name in json_columns,
+            )
+            for cid, name, data_type, notnull, default, pk, hidden in table_info
+            if hidden
+            in [
+                0,  # Normal column.
+                2,  # Virtual generated column.
+                3,  # Stored generated column.
+            ]
+        ]
+
+    def get_sequences(self, cursor, table_name, table_fields=()):
+        pk_col = self.get_primary_key_column(cursor, table_name)
+        return [{"table": table_name, "column": pk_col}]
+
+    def get_relations(self, cursor, table_name):
+        """
+        Return a dictionary of {column_name: (ref_column_name, ref_table_name)}
+        representing all foreign keys in the given table.
+        """
+        cursor.execute(
+            "PRAGMA foreign_key_list(%s)" % self.connection.ops.quote_name(table_name)
+        )
+        return {
+            column_name: (ref_column_name, ref_table_name)
+            for (
+                _,
+                _,
+                ref_table_name,
+                column_name,
+                ref_column_name,
+                *_,
+            ) in cursor.fetchall()
+        }
+
+    def get_primary_key_columns(self, cursor, table_name):
+        cursor.execute(
+            "PRAGMA table_info(%s)" % self.connection.ops.quote_name(table_name)
+        )
+        return [name for _, name, *_, pk in cursor.fetchall() if pk]
+
+    def _parse_column_or_constraint_definition(self, tokens, columns):
+        token = None
+        is_constraint_definition = None
+        field_name = None
+        constraint_name = None
+        unique = False
+        unique_columns = []
+        check = False
+        check_columns = []
+        braces_deep = 0
+        for token in tokens:
+            if token.match(sqlparse.tokens.Punctuation, "("):
+                braces_deep += 1
+            elif token.match(sqlparse.tokens.Punctuation, ")"):
+                braces_deep -= 1
+                if braces_deep < 0:
+                    # End of columns and constraints for table definition.
+                    break
+            elif braces_deep == 0 and token.match(sqlparse.tokens.Punctuation, ","):
+                # End of current column or constraint definition.
+                break
+            # Detect column or constraint definition by first token.
+            if is_constraint_definition is None:
+                is_constraint_definition = token.match(
+                    sqlparse.tokens.Keyword, "CONSTRAINT"
+                )
+                if is_constraint_definition:
+                    continue
+            if is_constraint_definition:
+                # Detect constraint name by second token.
+                if constraint_name is None:
+                    if token.ttype in (sqlparse.tokens.Name, sqlparse.tokens.Keyword):
+                        constraint_name = token.value
+                    elif token.ttype == sqlparse.tokens.Literal.String.Symbol:
+                        constraint_name = token.value[1:-1]
+                # Start constraint columns parsing after UNIQUE keyword.
+                if token.match(sqlparse.tokens.Keyword, "UNIQUE"):
+                    unique = True
+                    unique_braces_deep = braces_deep
+                elif unique:
+                    if unique_braces_deep == braces_deep:
+                        if unique_columns:
+                            # Stop constraint parsing.
+                            unique = False
+                        continue
+                    if token.ttype in (sqlparse.tokens.Name, sqlparse.tokens.Keyword):
+                        unique_columns.append(token.value)
+                    elif token.ttype == sqlparse.tokens.Literal.String.Symbol:
+                        unique_columns.append(token.value[1:-1])
+            else:
+                # Detect field name by first token.
+                if field_name is None:
+                    if token.ttype in (sqlparse.tokens.Name, sqlparse.tokens.Keyword):
+                        field_name = token.value
+                    elif token.ttype == sqlparse.tokens.Literal.String.Symbol:
+                        field_name = token.value[1:-1]
+                if token.match(sqlparse.tokens.Keyword, "UNIQUE"):
+                    unique_columns = [field_name]
+            # Start constraint columns parsing after CHECK keyword.
+            if token.match(sqlparse.tokens.Keyword, "CHECK"):
+                check = True
+                check_braces_deep = braces_deep
+            elif check:
+                if check_braces_deep == braces_deep:
+                    if check_columns:
+                        # Stop constraint parsing.
+                        check = False
+                    continue
+                if token.ttype in (sqlparse.tokens.Name, sqlparse.tokens.Keyword):
+                    if token.value in columns:
+                        check_columns.append(token.value)
+                elif token.ttype == sqlparse.tokens.Literal.String.Symbol:
+                    if token.value[1:-1] in columns:
+                        check_columns.append(token.value[1:-1])
+        unique_constraint = (
+            {
+                "unique": True,
+                "columns": unique_columns,
+                "primary_key": False,
+                "foreign_key": None,
+                "check": False,
+                "index": False,
+            }
+            if unique_columns
+            else None
+        )
+        check_constraint = (
+            {
+                "check": True,
+                "columns": check_columns,
+                "primary_key": False,
+                "unique": False,
+                "foreign_key": None,
+                "index": False,
+            }
+            if check_columns
+            else None
+        )
+        return constraint_name, unique_constraint, check_constraint, token
+
+    def _parse_table_constraints(self, sql, columns):
+        # Check constraint parsing is based of SQLite syntax diagram.
+        # https://www.sqlite.org/syntaxdiagrams.html#table-constraint
+        statement = sqlparse.parse(sql)[0]
+        constraints = {}
+        unnamed_constrains_index = 0
+        tokens = (token for token in statement.flatten() if not token.is_whitespace)
+        # Go to columns and constraint definition
+        for token in tokens:
+            if token.match(sqlparse.tokens.Punctuation, "("):
+                break
+        # Parse columns and constraint definition
+        while True:
+            (
+                constraint_name,
+                unique,
+                check,
+                end_token,
+            ) = self._parse_column_or_constraint_definition(tokens, columns)
+            if unique:
+                if constraint_name:
+                    constraints[constraint_name] = unique
+                else:
+                    unnamed_constrains_index += 1
+                    constraints[
+                        "__unnamed_constraint_%s__" % unnamed_constrains_index
+                    ] = unique
+            if check:
+                if constraint_name:
+                    constraints[constraint_name] = check
+                else:
+                    unnamed_constrains_index += 1
+                    constraints[
+                        "__unnamed_constraint_%s__" % unnamed_constrains_index
+                    ] = check
+            if end_token.match(sqlparse.tokens.Punctuation, ")"):
+                break
+        return constraints
+
+    def get_constraints(self, cursor, table_name):
+        """
+        Retrieve any constraints or keys (unique, pk, fk, check, index) across
+        one or more columns.
+        """
+        constraints = {}
+        # Find inline check constraints.
+        try:
+            table_schema = cursor.execute(
+                "SELECT sql FROM sqlite_master WHERE type='table' and name=%s"
+                % (self.connection.ops.quote_name(table_name),)
+            ).fetchone()[0]
+        except TypeError:
+            # table_name is a view.
+            pass
+        else:
+            columns = {
+                info.name for info in self.get_table_description(cursor, table_name)
+            }
+            constraints.update(self._parse_table_constraints(table_schema, columns))
+
+        # Get the index info
+        cursor.execute(
+            "PRAGMA index_list(%s)" % self.connection.ops.quote_name(table_name)
+        )
+        for row in cursor.fetchall():
+            # SQLite 3.8.9+ has 5 columns, however older versions only give 3
+            # columns. Discard last 2 columns if there.
+            number, index, unique = row[:3]
+            cursor.execute(
+                "SELECT sql FROM sqlite_master "
+                "WHERE type='index' AND name=%s" % self.connection.ops.quote_name(index)
+            )
+            # There's at most one row.
+            (sql,) = cursor.fetchone() or (None,)
+            # Inline constraints are already detected in
+            # _parse_table_constraints(). The reasons to avoid fetching inline
+            # constraints from `PRAGMA index_list` are:
+            # - Inline constraints can have a different name and information
+            #   than what `PRAGMA index_list` gives.
+            # - Not all inline constraints may appear in `PRAGMA index_list`.
+            if not sql:
+                # An inline constraint
+                continue
+            # Get the index info for that index
+            cursor.execute(
+                "PRAGMA index_info(%s)" % self.connection.ops.quote_name(index)
+            )
+            for index_rank, column_rank, column in cursor.fetchall():
+                if index not in constraints:
+                    constraints[index] = {
+                        "columns": [],
+                        "primary_key": False,
+                        "unique": bool(unique),
+                        "foreign_key": None,
+                        "check": False,
+                        "index": True,
+                    }
+                constraints[index]["columns"].append(column)
+            # Add type and column orders for indexes
+            if constraints[index]["index"]:
+                # SQLite doesn't support any index type other than b-tree
+                constraints[index]["type"] = Index.suffix
+                orders = self._get_index_columns_orders(sql)
+                if orders is not None:
+                    constraints[index]["orders"] = orders
+        # Get the PK
+        pk_columns = self.get_primary_key_columns(cursor, table_name)
+        if pk_columns:
+            # SQLite doesn't actually give a name to the PK constraint,
+            # so we invent one. This is fine, as the SQLite backend never
+            # deletes PK constraints by name, as you can't delete constraints
+            # in SQLite; we remake the table with a new PK instead.
+            constraints["__primary__"] = {
+                "columns": pk_columns,
+                "primary_key": True,
+                "unique": False,  # It's not actually a unique constraint.
+                "foreign_key": None,
+                "check": False,
+                "index": False,
+            }
+        relations = enumerate(self.get_relations(cursor, table_name).items())
+        constraints.update(
+            {
+                f"fk_{index}": {
+                    "columns": [column_name],
+                    "primary_key": False,
+                    "unique": False,
+                    "foreign_key": (ref_table_name, ref_column_name),
+                    "check": False,
+                    "index": False,
+                }
+                for index, (column_name, (ref_column_name, ref_table_name)) in relations
+            }
+        )
+        return constraints
+
+    def _get_index_columns_orders(self, sql):
+        tokens = sqlparse.parse(sql)[0]
+        for token in tokens:
+            if isinstance(token, sqlparse.sql.Parenthesis):
+                columns = str(token).strip("()").split(", ")
+                return ["DESC" if info.endswith("DESC") else "ASC" for info in columns]
+        return None
+
+    def _get_column_collations(self, cursor, table_name):
+        row = cursor.execute(
+            """
+            SELECT sql
+            FROM sqlite_master
+            WHERE type = 'table' AND name = %s
+        """,
+            [table_name],
+        ).fetchone()
+        if not row:
+            return {}
+
+        sql = row[0]
+        columns = str(sqlparse.parse(sql)[0][-1]).strip("()").split(", ")
+        collations = {}
+        for column in columns:
+            tokens = column[1:].split()
+            column_name = tokens[0].strip('"')
+            for index, token in enumerate(tokens):
+                if token == "COLLATE":
+                    collation = tokens[index + 1]
+                    break
+            else:
+                collation = None
+            collations[column_name] = collation
+        return collations
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/operations.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/operations.py
new file mode 100644
index 00000000..85ad8043
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/operations.py
@@ -0,0 +1,441 @@
+import datetime
+import decimal
+import uuid
+from functools import lru_cache
+from itertools import chain
+
+from django.conf import settings
+from django.core.exceptions import FieldError
+from django.db import DatabaseError, NotSupportedError, models
+from django.db.backends.base.operations import BaseDatabaseOperations
+from django.db.models.constants import OnConflict
+from django.db.models.expressions import Col
+from django.utils import timezone
+from django.utils.dateparse import parse_date, parse_datetime, parse_time
+from django.utils.functional import cached_property
+
+
+class DatabaseOperations(BaseDatabaseOperations):
+    cast_char_field_without_max_length = "text"
+    cast_data_types = {
+        "DateField": "TEXT",
+        "DateTimeField": "TEXT",
+    }
+    explain_prefix = "EXPLAIN QUERY PLAN"
+    # List of datatypes to that cannot be extracted with JSON_EXTRACT() on
+    # SQLite. Use JSON_TYPE() instead.
+    jsonfield_datatype_values = frozenset(["null", "false", "true"])
+
+    def bulk_batch_size(self, fields, objs):
+        """
+        SQLite has a compile-time default (SQLITE_LIMIT_VARIABLE_NUMBER) of
+        999 variables per query.
+
+        If there's only a single field to insert, the limit is 500
+        (SQLITE_MAX_COMPOUND_SELECT).
+        """
+        if len(fields) == 1:
+            return 500
+        elif len(fields) > 1:
+            return self.connection.features.max_query_params // len(fields)
+        else:
+            return len(objs)
+
+    def check_expression_support(self, expression):
+        bad_fields = (models.DateField, models.DateTimeField, models.TimeField)
+        bad_aggregates = (models.Sum, models.Avg, models.Variance, models.StdDev)
+        if isinstance(expression, bad_aggregates):
+            for expr in expression.get_source_expressions():
+                try:
+                    output_field = expr.output_field
+                except (AttributeError, FieldError):
+                    # Not every subexpression has an output_field which is fine
+                    # to ignore.
+                    pass
+                else:
+                    if isinstance(output_field, bad_fields):
+                        raise NotSupportedError(
+                            "You cannot use Sum, Avg, StdDev, and Variance "
+                            "aggregations on date/time fields in sqlite3 "
+                            "since date/time is saved as text."
+                        )
+        if (
+            isinstance(expression, models.Aggregate)
+            and expression.distinct
+            and len(expression.source_expressions) > 1
+        ):
+            raise NotSupportedError(
+                "SQLite doesn't support DISTINCT on aggregate functions "
+                "accepting multiple arguments."
+            )
+
+    def date_extract_sql(self, lookup_type, sql, params):
+        """
+        Support EXTRACT with a user-defined function django_date_extract()
+        that's registered in connect(). Use single quotes because this is a
+        string and could otherwise cause a collision with a field name.
+        """
+        return f"django_date_extract(%s, {sql})", (lookup_type.lower(), *params)
+
+    def fetch_returned_insert_rows(self, cursor):
+        """
+        Given a cursor object that has just performed an INSERT...RETURNING
+        statement into a table, return the list of returned data.
+        """
+        return cursor.fetchall()
+
+    def format_for_duration_arithmetic(self, sql):
+        """Do nothing since formatting is handled in the custom function."""
+        return sql
+
+    def date_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        return f"django_date_trunc(%s, {sql}, %s, %s)", (
+            lookup_type.lower(),
+            *params,
+            *self._convert_tznames_to_sql(tzname),
+        )
+
+    def time_trunc_sql(self, lookup_type, sql, params, tzname=None):
+        return f"django_time_trunc(%s, {sql}, %s, %s)", (
+            lookup_type.lower(),
+            *params,
+            *self._convert_tznames_to_sql(tzname),
+        )
+
+    def _convert_tznames_to_sql(self, tzname):
+        if tzname and settings.USE_TZ:
+            return tzname, self.connection.timezone_name
+        return None, None
+
+    def datetime_cast_date_sql(self, sql, params, tzname):
+        return f"django_datetime_cast_date({sql}, %s, %s)", (
+            *params,
+            *self._convert_tznames_to_sql(tzname),
+        )
+
+    def datetime_cast_time_sql(self, sql, params, tzname):
+        return f"django_datetime_cast_time({sql}, %s, %s)", (
+            *params,
+            *self._convert_tznames_to_sql(tzname),
+        )
+
+    def datetime_extract_sql(self, lookup_type, sql, params, tzname):
+        return f"django_datetime_extract(%s, {sql}, %s, %s)", (
+            lookup_type.lower(),
+            *params,
+            *self._convert_tznames_to_sql(tzname),
+        )
+
+    def datetime_trunc_sql(self, lookup_type, sql, params, tzname):
+        return f"django_datetime_trunc(%s, {sql}, %s, %s)", (
+            lookup_type.lower(),
+            *params,
+            *self._convert_tznames_to_sql(tzname),
+        )
+
+    def time_extract_sql(self, lookup_type, sql, params):
+        return f"django_time_extract(%s, {sql})", (lookup_type.lower(), *params)
+
+    def pk_default_value(self):
+        return "NULL"
+
+    def _quote_params_for_last_executed_query(self, params):
+        """
+        Only for last_executed_query! Don't use this to execute SQL queries!
+        """
+        # This function is limited both by SQLITE_LIMIT_VARIABLE_NUMBER (the
+        # number of parameters, default = 999) and SQLITE_MAX_COLUMN (the
+        # number of return values, default = 2000). Since Python's sqlite3
+        # module doesn't expose the get_limit() C API, assume the default
+        # limits are in effect and split the work in batches if needed.
+        BATCH_SIZE = 999
+        if len(params) > BATCH_SIZE:
+            results = ()
+            for index in range(0, len(params), BATCH_SIZE):
+                chunk = params[index : index + BATCH_SIZE]
+                results += self._quote_params_for_last_executed_query(chunk)
+            return results
+
+        sql = "SELECT " + ", ".join(["QUOTE(?)"] * len(params))
+        # Bypass Django's wrappers and use the underlying sqlite3 connection
+        # to avoid logging this query - it would trigger infinite recursion.
+        cursor = self.connection.connection.cursor()
+        # Native sqlite3 cursors cannot be used as context managers.
+        try:
+            return cursor.execute(sql, params).fetchone()
+        finally:
+            cursor.close()
+
+    def last_executed_query(self, cursor, sql, params):
+        # Python substitutes parameters in Modules/_sqlite/cursor.c with:
+        # bind_parameters(state, self->statement, parameters);
+        # Unfortunately there is no way to reach self->statement from Python,
+        # so we quote and substitute parameters manually.
+        if params:
+            if isinstance(params, (list, tuple)):
+                params = self._quote_params_for_last_executed_query(params)
+            else:
+                values = tuple(params.values())
+                values = self._quote_params_for_last_executed_query(values)
+                params = dict(zip(params, values))
+            return sql % params
+        # For consistency with SQLiteCursorWrapper.execute(), just return sql
+        # when there are no parameters. See #13648 and #17158.
+        else:
+            return sql
+
+    def quote_name(self, name):
+        if name.startswith('"') and name.endswith('"'):
+            return name  # Quoting once is enough.
+        return '"%s"' % name
+
+    def no_limit_value(self):
+        return -1
+
+    def __references_graph(self, table_name):
+        query = """
+        WITH tables AS (
+            SELECT %s name
+            UNION
+            SELECT sqlite_master.name
+            FROM sqlite_master
+            JOIN tables ON (sql REGEXP %s || tables.name || %s)
+        ) SELECT name FROM tables;
+        """
+        params = (
+            table_name,
+            r'(?i)\s+references\s+("|\')?',
+            r'("|\')?\s*\(',
+        )
+        with self.connection.cursor() as cursor:
+            results = cursor.execute(query, params)
+            return [row[0] for row in results.fetchall()]
+
+    @cached_property
+    def _references_graph(self):
+        # 512 is large enough to fit the ~330 tables (as of this writing) in
+        # Django's test suite.
+        return lru_cache(maxsize=512)(self.__references_graph)
+
+    def sql_flush(self, style, tables, *, reset_sequences=False, allow_cascade=False):
+        if tables and allow_cascade:
+            # Simulate TRUNCATE CASCADE by recursively collecting the tables
+            # referencing the tables to be flushed.
+            tables = set(
+                chain.from_iterable(self._references_graph(table) for table in tables)
+            )
+        sql = [
+            "%s %s %s;"
+            % (
+                style.SQL_KEYWORD("DELETE"),
+                style.SQL_KEYWORD("FROM"),
+                style.SQL_FIELD(self.quote_name(table)),
+            )
+            for table in tables
+        ]
+        if reset_sequences:
+            sequences = [{"table": table} for table in tables]
+            sql.extend(self.sequence_reset_by_name_sql(style, sequences))
+        return sql
+
+    def sequence_reset_by_name_sql(self, style, sequences):
+        if not sequences:
+            return []
+        return [
+            "%s %s %s %s = 0 %s %s %s (%s);"
+            % (
+                style.SQL_KEYWORD("UPDATE"),
+                style.SQL_TABLE(self.quote_name("sqlite_sequence")),
+                style.SQL_KEYWORD("SET"),
+                style.SQL_FIELD(self.quote_name("seq")),
+                style.SQL_KEYWORD("WHERE"),
+                style.SQL_FIELD(self.quote_name("name")),
+                style.SQL_KEYWORD("IN"),
+                ", ".join(
+                    ["'%s'" % sequence_info["table"] for sequence_info in sequences]
+                ),
+            ),
+        ]
+
+    def adapt_datetimefield_value(self, value):
+        if value is None:
+            return None
+
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        # SQLite doesn't support tz-aware datetimes
+        if timezone.is_aware(value):
+            if settings.USE_TZ:
+                value = timezone.make_naive(value, self.connection.timezone)
+            else:
+                raise ValueError(
+                    "SQLite backend does not support timezone-aware datetimes when "
+                    "USE_TZ is False."
+                )
+
+        return str(value)
+
+    def adapt_timefield_value(self, value):
+        if value is None:
+            return None
+
+        # Expression values are adapted by the database.
+        if hasattr(value, "resolve_expression"):
+            return value
+
+        # SQLite doesn't support tz-aware datetimes
+        if timezone.is_aware(value):
+            raise ValueError("SQLite backend does not support timezone-aware times.")
+
+        return str(value)
+
+    def get_db_converters(self, expression):
+        converters = super().get_db_converters(expression)
+        internal_type = expression.output_field.get_internal_type()
+        if internal_type == "DateTimeField":
+            converters.append(self.convert_datetimefield_value)
+        elif internal_type == "DateField":
+            converters.append(self.convert_datefield_value)
+        elif internal_type == "TimeField":
+            converters.append(self.convert_timefield_value)
+        elif internal_type == "DecimalField":
+            converters.append(self.get_decimalfield_converter(expression))
+        elif internal_type == "UUIDField":
+            converters.append(self.convert_uuidfield_value)
+        elif internal_type == "BooleanField":
+            converters.append(self.convert_booleanfield_value)
+        return converters
+
+    def convert_datetimefield_value(self, value, expression, connection):
+        if value is not None:
+            if not isinstance(value, datetime.datetime):
+                value = parse_datetime(value)
+            if settings.USE_TZ and not timezone.is_aware(value):
+                value = timezone.make_aware(value, self.connection.timezone)
+        return value
+
+    def convert_datefield_value(self, value, expression, connection):
+        if value is not None:
+            if not isinstance(value, datetime.date):
+                value = parse_date(value)
+        return value
+
+    def convert_timefield_value(self, value, expression, connection):
+        if value is not None:
+            if not isinstance(value, datetime.time):
+                value = parse_time(value)
+        return value
+
+    def get_decimalfield_converter(self, expression):
+        # SQLite stores only 15 significant digits. Digits coming from
+        # float inaccuracy must be removed.
+        create_decimal = decimal.Context(prec=15).create_decimal_from_float
+        if isinstance(expression, Col):
+            quantize_value = decimal.Decimal(1).scaleb(
+                -expression.output_field.decimal_places
+            )
+
+            def converter(value, expression, connection):
+                if value is not None:
+                    return create_decimal(value).quantize(
+                        quantize_value, context=expression.output_field.context
+                    )
+
+        else:
+
+            def converter(value, expression, connection):
+                if value is not None:
+                    return create_decimal(value)
+
+        return converter
+
+    def convert_uuidfield_value(self, value, expression, connection):
+        if value is not None:
+            value = uuid.UUID(value)
+        return value
+
+    def convert_booleanfield_value(self, value, expression, connection):
+        return bool(value) if value in (1, 0) else value
+
+    def bulk_insert_sql(self, fields, placeholder_rows):
+        placeholder_rows_sql = (", ".join(row) for row in placeholder_rows)
+        values_sql = ", ".join(f"({sql})" for sql in placeholder_rows_sql)
+        return f"VALUES {values_sql}"
+
+    def combine_expression(self, connector, sub_expressions):
+        # SQLite doesn't have a ^ operator, so use the user-defined POWER
+        # function that's registered in connect().
+        if connector == "^":
+            return "POWER(%s)" % ",".join(sub_expressions)
+        elif connector == "#":
+            return "BITXOR(%s)" % ",".join(sub_expressions)
+        return super().combine_expression(connector, sub_expressions)
+
+    def combine_duration_expression(self, connector, sub_expressions):
+        if connector not in ["+", "-", "*", "/"]:
+            raise DatabaseError("Invalid connector for timedelta: %s." % connector)
+        fn_params = ["'%s'" % connector] + sub_expressions
+        if len(fn_params) > 3:
+            raise ValueError("Too many params for timedelta operations.")
+        return "django_format_dtdelta(%s)" % ", ".join(fn_params)
+
+    def integer_field_range(self, internal_type):
+        # SQLite doesn't enforce any integer constraints, but sqlite3 supports
+        # integers up to 64 bits.
+        if internal_type in [
+            "PositiveBigIntegerField",
+            "PositiveIntegerField",
+            "PositiveSmallIntegerField",
+        ]:
+            return (0, 9223372036854775807)
+        return (-9223372036854775808, 9223372036854775807)
+
+    def subtract_temporals(self, internal_type, lhs, rhs):
+        lhs_sql, lhs_params = lhs
+        rhs_sql, rhs_params = rhs
+        params = (*lhs_params, *rhs_params)
+        if internal_type == "TimeField":
+            return "django_time_diff(%s, %s)" % (lhs_sql, rhs_sql), params
+        return "django_timestamp_diff(%s, %s)" % (lhs_sql, rhs_sql), params
+
+    def insert_statement(self, on_conflict=None):
+        if on_conflict == OnConflict.IGNORE:
+            return "INSERT OR IGNORE INTO"
+        return super().insert_statement(on_conflict=on_conflict)
+
+    def return_insert_columns(self, fields):
+        # SQLite < 3.35 doesn't support an INSERT...RETURNING statement.
+        if not fields:
+            return "", ()
+        columns = [
+            "%s.%s"
+            % (
+                self.quote_name(field.model._meta.db_table),
+                self.quote_name(field.column),
+            )
+            for field in fields
+        ]
+        return "RETURNING %s" % ", ".join(columns), ()
+
+    def on_conflict_suffix_sql(self, fields, on_conflict, update_fields, unique_fields):
+        if (
+            on_conflict == OnConflict.UPDATE
+            and self.connection.features.supports_update_conflicts_with_target
+        ):
+            return "ON CONFLICT(%s) DO UPDATE SET %s" % (
+                ", ".join(map(self.quote_name, unique_fields)),
+                ", ".join(
+                    [
+                        f"{field} = EXCLUDED.{field}"
+                        for field in map(self.quote_name, update_fields)
+                    ]
+                ),
+            )
+        return super().on_conflict_suffix_sql(
+            fields,
+            on_conflict,
+            update_fields,
+            unique_fields,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/schema.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/schema.py
new file mode 100644
index 00000000..3a196caf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/sqlite3/schema.py
@@ -0,0 +1,495 @@
+import copy
+from decimal import Decimal
+
+from django.apps.registry import Apps
+from django.db import NotSupportedError
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
+from django.db.backends.ddl_references import Statement
+from django.db.backends.utils import strip_quotes
+from django.db.models import NOT_PROVIDED, UniqueConstraint
+
+
+class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
+    sql_delete_table = "DROP TABLE %(table)s"
+    sql_create_fk = None
+    sql_create_inline_fk = (
+        "REFERENCES %(to_table)s (%(to_column)s) DEFERRABLE INITIALLY DEFERRED"
+    )
+    sql_create_column_inline_fk = sql_create_inline_fk
+    sql_delete_column = "ALTER TABLE %(table)s DROP COLUMN %(column)s"
+    sql_create_unique = "CREATE UNIQUE INDEX %(name)s ON %(table)s (%(columns)s)"
+    sql_delete_unique = "DROP INDEX %(name)s"
+    sql_alter_table_comment = None
+    sql_alter_column_comment = None
+
+    def __enter__(self):
+        # Some SQLite schema alterations need foreign key constraints to be
+        # disabled. Enforce it here for the duration of the schema edition.
+        if not self.connection.disable_constraint_checking():
+            raise NotSupportedError(
+                "SQLite schema editor cannot be used while foreign key "
+                "constraint checks are enabled. Make sure to disable them "
+                "before entering a transaction.atomic() context because "
+                "SQLite does not support disabling them in the middle of "
+                "a multi-statement transaction."
+            )
+        return super().__enter__()
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self.connection.check_constraints()
+        super().__exit__(exc_type, exc_value, traceback)
+        self.connection.enable_constraint_checking()
+
+    def quote_value(self, value):
+        # The backend "mostly works" without this function and there are use
+        # cases for compiling Python without the sqlite3 libraries (e.g.
+        # security hardening).
+        try:
+            import sqlite3
+
+            value = sqlite3.adapt(value)
+        except ImportError:
+            pass
+        except sqlite3.ProgrammingError:
+            pass
+        # Manual emulation of SQLite parameter quoting
+        if isinstance(value, bool):
+            return str(int(value))
+        elif isinstance(value, (Decimal, float, int)):
+            return str(value)
+        elif isinstance(value, str):
+            return "'%s'" % value.replace("'", "''")
+        elif value is None:
+            return "NULL"
+        elif isinstance(value, (bytes, bytearray, memoryview)):
+            # Bytes are only allowed for BLOB fields, encoded as string
+            # literals containing hexadecimal data and preceded by a single "X"
+            # character.
+            return "X'%s'" % value.hex()
+        else:
+            raise ValueError(
+                "Cannot quote parameter value %r of type %s" % (value, type(value))
+            )
+
+    def prepare_default(self, value):
+        return self.quote_value(value)
+
+    def _remake_table(
+        self, model, create_field=None, delete_field=None, alter_fields=None
+    ):
+        """
+        Shortcut to transform a model from old_model into new_model
+
+        This follows the correct procedure to perform non-rename or column
+        addition operations based on SQLite's documentation
+
+        https://www.sqlite.org/lang_altertable.html#caution
+
+        The essential steps are:
+          1. Create a table with the updated definition called "new__app_model"
+          2. Copy the data from the existing "app_model" table to the new table
+          3. Drop the "app_model" table
+          4. Rename the "new__app_model" table to "app_model"
+          5. Restore any index of the previous "app_model" table.
+        """
+
+        # Self-referential fields must be recreated rather than copied from
+        # the old model to ensure their remote_field.field_name doesn't refer
+        # to an altered field.
+        def is_self_referential(f):
+            return f.is_relation and f.remote_field.model is model
+
+        # Work out the new fields dict / mapping
+        body = {
+            f.name: f.clone() if is_self_referential(f) else f
+            for f in model._meta.local_concrete_fields
+        }
+        # Since mapping might mix column names and default values,
+        # its values must be already quoted.
+        mapping = {
+            f.column: self.quote_name(f.column)
+            for f in model._meta.local_concrete_fields
+            if f.generated is False
+        }
+        # This maps field names (not columns) for things like unique_together
+        rename_mapping = {}
+        # If any of the new or altered fields is introducing a new PK,
+        # remove the old one
+        restore_pk_field = None
+        alter_fields = alter_fields or []
+        if getattr(create_field, "primary_key", False) or any(
+            getattr(new_field, "primary_key", False) for _, new_field in alter_fields
+        ):
+            for name, field in list(body.items()):
+                if field.primary_key and not any(
+                    # Do not remove the old primary key when an altered field
+                    # that introduces a primary key is the same field.
+                    name == new_field.name
+                    for _, new_field in alter_fields
+                ):
+                    field.primary_key = False
+                    restore_pk_field = field
+                    if field.auto_created:
+                        del body[name]
+                        del mapping[field.column]
+        # Add in any created fields
+        if create_field:
+            body[create_field.name] = create_field
+            # Choose a default and insert it into the copy map
+            if (
+                create_field.db_default is NOT_PROVIDED
+                and not (create_field.many_to_many or create_field.generated)
+                and create_field.concrete
+            ):
+                mapping[create_field.column] = self.prepare_default(
+                    self.effective_default(create_field)
+                )
+        # Add in any altered fields
+        for alter_field in alter_fields:
+            old_field, new_field = alter_field
+            body.pop(old_field.name, None)
+            mapping.pop(old_field.column, None)
+            body[new_field.name] = new_field
+            rename_mapping[old_field.name] = new_field.name
+            if new_field.generated:
+                continue
+            if old_field.null and not new_field.null:
+                if new_field.db_default is NOT_PROVIDED:
+                    default = self.prepare_default(self.effective_default(new_field))
+                else:
+                    default, _ = self.db_default_sql(new_field)
+                case_sql = "coalesce(%(col)s, %(default)s)" % {
+                    "col": self.quote_name(old_field.column),
+                    "default": default,
+                }
+                mapping[new_field.column] = case_sql
+            else:
+                mapping[new_field.column] = self.quote_name(old_field.column)
+        # Remove any deleted fields
+        if delete_field:
+            del body[delete_field.name]
+            mapping.pop(delete_field.column, None)
+            # Remove any implicit M2M tables
+            if (
+                delete_field.many_to_many
+                and delete_field.remote_field.through._meta.auto_created
+            ):
+                return self.delete_model(delete_field.remote_field.through)
+        # Work inside a new app registry
+        apps = Apps()
+
+        # Work out the new value of unique_together, taking renames into
+        # account
+        unique_together = [
+            [rename_mapping.get(n, n) for n in unique]
+            for unique in model._meta.unique_together
+        ]
+
+        # RemovedInDjango51Warning.
+        # Work out the new value for index_together, taking renames into
+        # account
+        index_together = [
+            [rename_mapping.get(n, n) for n in index]
+            for index in model._meta.index_together
+        ]
+
+        indexes = model._meta.indexes
+        if delete_field:
+            indexes = [
+                index for index in indexes if delete_field.name not in index.fields
+            ]
+
+        constraints = list(model._meta.constraints)
+
+        # Provide isolated instances of the fields to the new model body so
+        # that the existing model's internals aren't interfered with when
+        # the dummy model is constructed.
+        body_copy = copy.deepcopy(body)
+
+        # Construct a new model with the new fields to allow self referential
+        # primary key to resolve to. This model won't ever be materialized as a
+        # table and solely exists for foreign key reference resolution purposes.
+        # This wouldn't be required if the schema editor was operating on model
+        # states instead of rendered models.
+        meta_contents = {
+            "app_label": model._meta.app_label,
+            "db_table": model._meta.db_table,
+            "unique_together": unique_together,
+            "index_together": index_together,  # RemovedInDjango51Warning.
+            "indexes": indexes,
+            "constraints": constraints,
+            "apps": apps,
+        }
+        meta = type("Meta", (), meta_contents)
+        body_copy["Meta"] = meta
+        body_copy["__module__"] = model.__module__
+        type(model._meta.object_name, model.__bases__, body_copy)
+
+        # Construct a model with a renamed table name.
+        body_copy = copy.deepcopy(body)
+        meta_contents = {
+            "app_label": model._meta.app_label,
+            "db_table": "new__%s" % strip_quotes(model._meta.db_table),
+            "unique_together": unique_together,
+            "index_together": index_together,  # RemovedInDjango51Warning.
+            "indexes": indexes,
+            "constraints": constraints,
+            "apps": apps,
+        }
+        meta = type("Meta", (), meta_contents)
+        body_copy["Meta"] = meta
+        body_copy["__module__"] = model.__module__
+        new_model = type("New%s" % model._meta.object_name, model.__bases__, body_copy)
+
+        # Create a new table with the updated schema.
+        self.create_model(new_model)
+
+        # Copy data from the old table into the new table
+        self.execute(
+            "INSERT INTO %s (%s) SELECT %s FROM %s"
+            % (
+                self.quote_name(new_model._meta.db_table),
+                ", ".join(self.quote_name(x) for x in mapping),
+                ", ".join(mapping.values()),
+                self.quote_name(model._meta.db_table),
+            )
+        )
+
+        # Delete the old table to make way for the new
+        self.delete_model(model, handle_autom2m=False)
+
+        # Rename the new table to take way for the old
+        self.alter_db_table(
+            new_model,
+            new_model._meta.db_table,
+            model._meta.db_table,
+        )
+
+        # Run deferred SQL on correct table
+        for sql in self.deferred_sql:
+            self.execute(sql)
+        self.deferred_sql = []
+        # Fix any PK-removed field
+        if restore_pk_field:
+            restore_pk_field.primary_key = True
+
+    def delete_model(self, model, handle_autom2m=True):
+        if handle_autom2m:
+            super().delete_model(model)
+        else:
+            # Delete the table (and only that)
+            self.execute(
+                self.sql_delete_table
+                % {
+                    "table": self.quote_name(model._meta.db_table),
+                }
+            )
+            # Remove all deferred statements referencing the deleted table.
+            for sql in list(self.deferred_sql):
+                if isinstance(sql, Statement) and sql.references_table(
+                    model._meta.db_table
+                ):
+                    self.deferred_sql.remove(sql)
+
+    def add_field(self, model, field):
+        """Create a field on a model."""
+        from django.db.models.expressions import Value
+
+        # Special-case implicit M2M tables.
+        if field.many_to_many and field.remote_field.through._meta.auto_created:
+            self.create_model(field.remote_field.through)
+        elif (
+            # Primary keys and unique fields are not supported in ALTER TABLE
+            # ADD COLUMN.
+            field.primary_key
+            or field.unique
+            or not field.null
+            # Fields with default values cannot by handled by ALTER TABLE ADD
+            # COLUMN statement because DROP DEFAULT is not supported in
+            # ALTER TABLE.
+            or self.effective_default(field) is not None
+            # Fields with non-constant defaults cannot by handled by ALTER
+            # TABLE ADD COLUMN statement.
+            or (
+                field.db_default is not NOT_PROVIDED
+                and not isinstance(field.db_default, Value)
+            )
+        ):
+            self._remake_table(model, create_field=field)
+        else:
+            super().add_field(model, field)
+
+    def remove_field(self, model, field):
+        """
+        Remove a field from a model. Usually involves deleting a column,
+        but for M2Ms may involve deleting a table.
+        """
+        # M2M fields are a special case
+        if field.many_to_many:
+            # For implicit M2M tables, delete the auto-created table
+            if field.remote_field.through._meta.auto_created:
+                self.delete_model(field.remote_field.through)
+            # For explicit "through" M2M fields, do nothing
+        elif (
+            self.connection.features.can_alter_table_drop_column
+            # Primary keys, unique fields, indexed fields, and foreign keys are
+            # not supported in ALTER TABLE DROP COLUMN.
+            and not field.primary_key
+            and not field.unique
+            and not field.db_index
+            and not (field.remote_field and field.db_constraint)
+        ):
+            super().remove_field(model, field)
+        # For everything else, remake.
+        else:
+            # It might not actually have a column behind it
+            if field.db_parameters(connection=self.connection)["type"] is None:
+                return
+            self._remake_table(model, delete_field=field)
+
+    def _alter_field(
+        self,
+        model,
+        old_field,
+        new_field,
+        old_type,
+        new_type,
+        old_db_params,
+        new_db_params,
+        strict=False,
+    ):
+        """Perform a "physical" (non-ManyToMany) field update."""
+        # Use "ALTER TABLE ... RENAME COLUMN" if only the column name
+        # changed and there aren't any constraints.
+        if (
+            old_field.column != new_field.column
+            and self.column_sql(model, old_field) == self.column_sql(model, new_field)
+            and not (
+                old_field.remote_field
+                and old_field.db_constraint
+                or new_field.remote_field
+                and new_field.db_constraint
+            )
+        ):
+            return self.execute(
+                self._rename_field_sql(
+                    model._meta.db_table, old_field, new_field, new_type
+                )
+            )
+        # Alter by remaking table
+        self._remake_table(model, alter_fields=[(old_field, new_field)])
+        # Rebuild tables with FKs pointing to this field.
+        old_collation = old_db_params.get("collation")
+        new_collation = new_db_params.get("collation")
+        if new_field.unique and (
+            old_type != new_type or old_collation != new_collation
+        ):
+            related_models = set()
+            opts = new_field.model._meta
+            for remote_field in opts.related_objects:
+                # Ignore self-relationship since the table was already rebuilt.
+                if remote_field.related_model == model:
+                    continue
+                if not remote_field.many_to_many:
+                    if remote_field.field_name == new_field.name:
+                        related_models.add(remote_field.related_model)
+                elif new_field.primary_key and remote_field.through._meta.auto_created:
+                    related_models.add(remote_field.through)
+            if new_field.primary_key:
+                for many_to_many in opts.many_to_many:
+                    # Ignore self-relationship since the table was already rebuilt.
+                    if many_to_many.related_model == model:
+                        continue
+                    if many_to_many.remote_field.through._meta.auto_created:
+                        related_models.add(many_to_many.remote_field.through)
+            for related_model in related_models:
+                self._remake_table(related_model)
+
+    def _alter_many_to_many(self, model, old_field, new_field, strict):
+        """Alter M2Ms to repoint their to= endpoints."""
+        if (
+            old_field.remote_field.through._meta.db_table
+            == new_field.remote_field.through._meta.db_table
+        ):
+            # The field name didn't change, but some options did, so we have to
+            # propagate this altering.
+            self._remake_table(
+                old_field.remote_field.through,
+                alter_fields=[
+                    (
+                        # The field that points to the target model is needed,
+                        # so that table can be remade with the new m2m field -
+                        # this is m2m_reverse_field_name().
+                        old_field.remote_field.through._meta.get_field(
+                            old_field.m2m_reverse_field_name()
+                        ),
+                        new_field.remote_field.through._meta.get_field(
+                            new_field.m2m_reverse_field_name()
+                        ),
+                    ),
+                    (
+                        # The field that points to the model itself is needed,
+                        # so that table can be remade with the new self field -
+                        # this is m2m_field_name().
+                        old_field.remote_field.through._meta.get_field(
+                            old_field.m2m_field_name()
+                        ),
+                        new_field.remote_field.through._meta.get_field(
+                            new_field.m2m_field_name()
+                        ),
+                    ),
+                ],
+            )
+            return
+
+        # Make a new through table
+        self.create_model(new_field.remote_field.through)
+        # Copy the data across
+        self.execute(
+            "INSERT INTO %s (%s) SELECT %s FROM %s"
+            % (
+                self.quote_name(new_field.remote_field.through._meta.db_table),
+                ", ".join(
+                    [
+                        "id",
+                        new_field.m2m_column_name(),
+                        new_field.m2m_reverse_name(),
+                    ]
+                ),
+                ", ".join(
+                    [
+                        "id",
+                        old_field.m2m_column_name(),
+                        old_field.m2m_reverse_name(),
+                    ]
+                ),
+                self.quote_name(old_field.remote_field.through._meta.db_table),
+            )
+        )
+        # Delete the old through table
+        self.delete_model(old_field.remote_field.through)
+
+    def add_constraint(self, model, constraint):
+        if isinstance(constraint, UniqueConstraint) and (
+            constraint.condition
+            or constraint.contains_expressions
+            or constraint.include
+            or constraint.deferrable
+        ):
+            super().add_constraint(model, constraint)
+        else:
+            self._remake_table(model)
+
+    def remove_constraint(self, model, constraint):
+        if isinstance(constraint, UniqueConstraint) and (
+            constraint.condition
+            or constraint.contains_expressions
+            or constraint.include
+            or constraint.deferrable
+        ):
+            super().remove_constraint(model, constraint)
+        else:
+            self._remake_table(model)
+
+    def _collate_sql(self, collation):
+        return "COLLATE " + collation
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/utils.py
new file mode 100644
index 00000000..f363253c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/backends/utils.py
@@ -0,0 +1,340 @@
+import datetime
+import decimal
+import functools
+import logging
+import time
+import warnings
+from contextlib import contextmanager
+from hashlib import md5
+
+from django.apps import apps
+from django.db import NotSupportedError
+from django.utils.dateparse import parse_time
+
+logger = logging.getLogger("django.db.backends")
+
+
+class CursorWrapper:
+    def __init__(self, cursor, db):
+        self.cursor = cursor
+        self.db = db
+
+    WRAP_ERROR_ATTRS = frozenset(["fetchone", "fetchmany", "fetchall", "nextset"])
+
+    APPS_NOT_READY_WARNING_MSG = (
+        "Accessing the database during app initialization is discouraged. To fix this "
+        "warning, avoid executing queries in AppConfig.ready() or when your app "
+        "modules are imported."
+    )
+
+    def __getattr__(self, attr):
+        cursor_attr = getattr(self.cursor, attr)
+        if attr in CursorWrapper.WRAP_ERROR_ATTRS:
+            return self.db.wrap_database_errors(cursor_attr)
+        else:
+            return cursor_attr
+
+    def __iter__(self):
+        with self.db.wrap_database_errors:
+            yield from self.cursor
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, traceback):
+        # Close instead of passing through to avoid backend-specific behavior
+        # (#17671). Catch errors liberally because errors in cleanup code
+        # aren't useful.
+        try:
+            self.close()
+        except self.db.Database.Error:
+            pass
+
+    # The following methods cannot be implemented in __getattr__, because the
+    # code must run when the method is invoked, not just when it is accessed.
+
+    def callproc(self, procname, params=None, kparams=None):
+        # Keyword parameters for callproc aren't supported in PEP 249, but the
+        # database driver may support them (e.g. oracledb).
+        if kparams is not None and not self.db.features.supports_callproc_kwargs:
+            raise NotSupportedError(
+                "Keyword parameters for callproc are not supported on this "
+                "database backend."
+            )
+        # Raise a warning during app initialization (stored_app_configs is only
+        # ever set during testing).
+        if not apps.ready and not apps.stored_app_configs:
+            warnings.warn(self.APPS_NOT_READY_WARNING_MSG, category=RuntimeWarning)
+        self.db.validate_no_broken_transaction()
+        with self.db.wrap_database_errors:
+            if params is None and kparams is None:
+                return self.cursor.callproc(procname)
+            elif kparams is None:
+                return self.cursor.callproc(procname, params)
+            else:
+                params = params or ()
+                return self.cursor.callproc(procname, params, kparams)
+
+    def execute(self, sql, params=None):
+        return self._execute_with_wrappers(
+            sql, params, many=False, executor=self._execute
+        )
+
+    def executemany(self, sql, param_list):
+        return self._execute_with_wrappers(
+            sql, param_list, many=True, executor=self._executemany
+        )
+
+    def _execute_with_wrappers(self, sql, params, many, executor):
+        context = {"connection": self.db, "cursor": self}
+        for wrapper in reversed(self.db.execute_wrappers):
+            executor = functools.partial(wrapper, executor)
+        return executor(sql, params, many, context)
+
+    def _execute(self, sql, params, *ignored_wrapper_args):
+        # Raise a warning during app initialization (stored_app_configs is only
+        # ever set during testing).
+        if not apps.ready and not apps.stored_app_configs:
+            warnings.warn(self.APPS_NOT_READY_WARNING_MSG, category=RuntimeWarning)
+        self.db.validate_no_broken_transaction()
+        with self.db.wrap_database_errors:
+            if params is None:
+                # params default might be backend specific.
+                return self.cursor.execute(sql)
+            else:
+                return self.cursor.execute(sql, params)
+
+    def _executemany(self, sql, param_list, *ignored_wrapper_args):
+        # Raise a warning during app initialization (stored_app_configs is only
+        # ever set during testing).
+        if not apps.ready and not apps.stored_app_configs:
+            warnings.warn(self.APPS_NOT_READY_WARNING_MSG, category=RuntimeWarning)
+        self.db.validate_no_broken_transaction()
+        with self.db.wrap_database_errors:
+            return self.cursor.executemany(sql, param_list)
+
+
+class CursorDebugWrapper(CursorWrapper):
+    # XXX callproc isn't instrumented at this time.
+
+    def execute(self, sql, params=None):
+        with self.debug_sql(sql, params, use_last_executed_query=True):
+            return super().execute(sql, params)
+
+    def executemany(self, sql, param_list):
+        with self.debug_sql(sql, param_list, many=True):
+            return super().executemany(sql, param_list)
+
+    @contextmanager
+    def debug_sql(
+        self, sql=None, params=None, use_last_executed_query=False, many=False
+    ):
+        start = time.monotonic()
+        try:
+            yield
+        finally:
+            stop = time.monotonic()
+            duration = stop - start
+            if use_last_executed_query:
+                sql = self.db.ops.last_executed_query(self.cursor, sql, params)
+            try:
+                times = len(params) if many else ""
+            except TypeError:
+                # params could be an iterator.
+                times = "?"
+            self.db.queries_log.append(
+                {
+                    "sql": "%s times: %s" % (times, sql) if many else sql,
+                    "time": "%.3f" % duration,
+                }
+            )
+            logger.debug(
+                "(%.3f) %s; args=%s; alias=%s",
+                duration,
+                sql,
+                params,
+                self.db.alias,
+                extra={
+                    "duration": duration,
+                    "sql": sql,
+                    "params": params,
+                    "alias": self.db.alias,
+                },
+            )
+
+
+@contextmanager
+def debug_transaction(connection, sql):
+    start = time.monotonic()
+    try:
+        yield
+    finally:
+        if connection.queries_logged:
+            stop = time.monotonic()
+            duration = stop - start
+            connection.queries_log.append(
+                {
+                    "sql": "%s" % sql,
+                    "time": "%.3f" % duration,
+                }
+            )
+            logger.debug(
+                "(%.3f) %s; args=%s; alias=%s",
+                duration,
+                sql,
+                None,
+                connection.alias,
+                extra={
+                    "duration": duration,
+                    "sql": sql,
+                    "alias": connection.alias,
+                },
+            )
+
+
+def split_tzname_delta(tzname):
+    """
+    Split a time zone name into a 3-tuple of (name, sign, offset).
+    """
+    for sign in ["+", "-"]:
+        if sign in tzname:
+            name, offset = tzname.rsplit(sign, 1)
+            if offset and parse_time(offset):
+                return name, sign, offset
+    return tzname, None, None
+
+
+###############################################
+# Converters from database (string) to Python #
+###############################################
+
+
+def typecast_date(s):
+    return (
+        datetime.date(*map(int, s.split("-"))) if s else None
+    )  # return None if s is null
+
+
+def typecast_time(s):  # does NOT store time zone information
+    if not s:
+        return None
+    hour, minutes, seconds = s.split(":")
+    if "." in seconds:  # check whether seconds have a fractional part
+        seconds, microseconds = seconds.split(".")
+    else:
+        microseconds = "0"
+    return datetime.time(
+        int(hour), int(minutes), int(seconds), int((microseconds + "000000")[:6])
+    )
+
+
+def typecast_timestamp(s):  # does NOT store time zone information
+    # "2005-07-29 15:48:00.590358-05"
+    # "2005-07-29 09:56:00-05"
+    if not s:
+        return None
+    if " " not in s:
+        return typecast_date(s)
+    d, t = s.split()
+    # Remove timezone information.
+    if "-" in t:
+        t, _ = t.split("-", 1)
+    elif "+" in t:
+        t, _ = t.split("+", 1)
+    dates = d.split("-")
+    times = t.split(":")
+    seconds = times[2]
+    if "." in seconds:  # check whether seconds have a fractional part
+        seconds, microseconds = seconds.split(".")
+    else:
+        microseconds = "0"
+    return datetime.datetime(
+        int(dates[0]),
+        int(dates[1]),
+        int(dates[2]),
+        int(times[0]),
+        int(times[1]),
+        int(seconds),
+        int((microseconds + "000000")[:6]),
+    )
+
+
+###############################################
+# Converters from Python to database (string) #
+###############################################
+
+
+def split_identifier(identifier):
+    """
+    Split an SQL identifier into a two element tuple of (namespace, name).
+
+    The identifier could be a table, column, or sequence name might be prefixed
+    by a namespace.
+    """
+    try:
+        namespace, name = identifier.split('"."')
+    except ValueError:
+        namespace, name = "", identifier
+    return namespace.strip('"'), name.strip('"')
+
+
+def truncate_name(identifier, length=None, hash_len=4):
+    """
+    Shorten an SQL identifier to a repeatable mangled version with the given
+    length.
+
+    If a quote stripped name contains a namespace, e.g. USERNAME"."TABLE,
+    truncate the table portion only.
+    """
+    namespace, name = split_identifier(identifier)
+
+    if length is None or len(name) <= length:
+        return identifier
+
+    digest = names_digest(name, length=hash_len)
+    return "%s%s%s" % (
+        '%s"."' % namespace if namespace else "",
+        name[: length - hash_len],
+        digest,
+    )
+
+
+def names_digest(*args, length):
+    """
+    Generate a 32-bit digest of a set of arguments that can be used to shorten
+    identifying names.
+    """
+    h = md5(usedforsecurity=False)
+    for arg in args:
+        h.update(arg.encode())
+    return h.hexdigest()[:length]
+
+
+def format_number(value, max_digits, decimal_places):
+    """
+    Format a number into a string with the requisite number of digits and
+    decimal places.
+    """
+    if value is None:
+        return None
+    context = decimal.getcontext().copy()
+    if max_digits is not None:
+        context.prec = max_digits
+    if decimal_places is not None:
+        value = value.quantize(
+            decimal.Decimal(1).scaleb(-decimal_places), context=context
+        )
+    else:
+        context.traps[decimal.Rounded] = 1
+        value = context.create_decimal(value)
+    return "{:f}".format(value)
+
+
+def strip_quotes(table_name):
+    """
+    Strip quotes off of quoted table names to make them safe for use in index
+    names, sequence names, etc. For example '"USER"."TABLE"' (an Oracle naming
+    scheme) becomes 'USER"."TABLE'.
+    """
+    has_quotes = table_name.startswith('"') and table_name.endswith('"')
+    return table_name[1:-1] if has_quotes else table_name
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/__init__.py
new file mode 100644
index 00000000..e7f3d2d7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/__init__.py
@@ -0,0 +1,2 @@
+from .migration import Migration, swappable_dependency  # NOQA
+from .operations import *  # NOQA
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/autodetector.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/autodetector.py
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/autodetector.py
@@ -0,0 +1,1796 @@
+import functools
+import re
+from collections import defaultdict
+from graphlib import TopologicalSorter
+from itertools import chain
+
+from django.conf import settings
+from django.db import models
+from django.db.migrations import operations
+from django.db.migrations.migration import Migration
+from django.db.migrations.operations.models import AlterModelOptions
+from django.db.migrations.optimizer import MigrationOptimizer
+from django.db.migrations.questioner import MigrationQuestioner
+from django.db.migrations.utils import (
+    COMPILED_REGEX_TYPE,
+    RegexObject,
+    resolve_relation,
+)
+
+
+class MigrationAutodetector:
+    """
+    Take a pair of ProjectStates and compare them to see what the first would
+    need doing to make it match the second (the second usually being the
+    project's current state).
+
+    Note that this naturally operates on entire projects at a time,
+    as it's likely that changes interact (for example, you can't
+    add a ForeignKey without having a migration to add the table it
+    depends on first). A user interface may offer single-app usage
+    if it wishes, with the caveat that it may not always be possible.
+    """
+
+    def __init__(self, from_state, to_state, questioner=None):
+        self.from_state = from_state
+        self.to_state = to_state
+        self.questioner = questioner or MigrationQuestioner()
+        self.existing_apps = {app for app, model in from_state.models}
+
+    def changes(self, graph, trim_to_apps=None, convert_apps=None, migration_name=None):
+        """
+        Main entry point to produce a list of applicable changes.
+        Take a graph to base names on and an optional set of apps
+        to try and restrict to (restriction is not guaranteed)
+        """
+        changes = self._detect_changes(convert_apps, graph)
+        changes = self.arrange_for_graph(changes, graph, migration_name)
+        if trim_to_apps:
+            changes = self._trim_to_apps(changes, trim_to_apps)
+        return changes
+
+    def deep_deconstruct(self, obj):
+        """
+        Recursive deconstruction for a field and its arguments.
+        Used for full comparison for rename/alter; sometimes a single-level
+        deconstruction will not compare correctly.
+        """
+        if isinstance(obj, list):
+            return [self.deep_deconstruct(value) for value in obj]
+        elif isinstance(obj, tuple):
+            return tuple(self.deep_deconstruct(value) for value in obj)
+        elif isinstance(obj, dict):
+            return {key: self.deep_deconstruct(value) for key, value in obj.items()}
+        elif isinstance(obj, functools.partial):
+            return (
+                obj.func,
+                self.deep_deconstruct(obj.args),
+                self.deep_deconstruct(obj.keywords),
+            )
+        elif isinstance(obj, COMPILED_REGEX_TYPE):
+            return RegexObject(obj)
+        elif isinstance(obj, type):
+            # If this is a type that implements 'deconstruct' as an instance method,
+            # avoid treating this as being deconstructible itself - see #22951
+            return obj
+        elif hasattr(obj, "deconstruct"):
+            deconstructed = obj.deconstruct()
+            if isinstance(obj, models.Field):
+                # we have a field which also returns a name
+                deconstructed = deconstructed[1:]
+            path, args, kwargs = deconstructed
+            return (
+                path,
+                [self.deep_deconstruct(value) for value in args],
+                {key: self.deep_deconstruct(value) for key, value in kwargs.items()},
+            )
+        else:
+            return obj
+
+    def only_relation_agnostic_fields(self, fields):
+        """
+        Return a definition of the fields that ignores field names and
+        what related fields actually relate to. Used for detecting renames (as
+        the related fields change during renames).
+        """
+        fields_def = []
+        for name, field in sorted(fields.items()):
+            deconstruction = self.deep_deconstruct(field)
+            if field.remote_field and field.remote_field.model:
+                deconstruction[2].pop("to", None)
+            fields_def.append(deconstruction)
+        return fields_def
+
+    def _detect_changes(self, convert_apps=None, graph=None):
+        """
+        Return a dict of migration plans which will achieve the
+        change from from_state to to_state. The dict has app labels
+        as keys and a list of migrations as values.
+
+        The resulting migrations aren't specially named, but the names
+        do matter for dependencies inside the set.
+
+        convert_apps is the list of apps to convert to use migrations
+        (i.e. to make initial migrations for, in the usual case)
+
+        graph is an optional argument that, if provided, can help improve
+        dependency generation and avoid potential circular dependencies.
+        """
+        # The first phase is generating all the operations for each app
+        # and gathering them into a big per-app list.
+        # Then go through that list, order it, and split into migrations to
+        # resolve dependencies caused by M2Ms and FKs.
+        self.generated_operations = {}
+        self.altered_indexes = {}
+        self.altered_constraints = {}
+        self.renamed_fields = {}
+
+        # Prepare some old/new state and model lists, separating
+        # proxy models and ignoring unmigrated apps.
+        self.old_model_keys = set()
+        self.old_proxy_keys = set()
+        self.old_unmanaged_keys = set()
+        self.new_model_keys = set()
+        self.new_proxy_keys = set()
+        self.new_unmanaged_keys = set()
+        for (app_label, model_name), model_state in self.from_state.models.items():
+            if not model_state.options.get("managed", True):
+                self.old_unmanaged_keys.add((app_label, model_name))
+            elif app_label not in self.from_state.real_apps:
+                if model_state.options.get("proxy"):
+                    self.old_proxy_keys.add((app_label, model_name))
+                else:
+                    self.old_model_keys.add((app_label, model_name))
+
+        for (app_label, model_name), model_state in self.to_state.models.items():
+            if not model_state.options.get("managed", True):
+                self.new_unmanaged_keys.add((app_label, model_name))
+            elif app_label not in self.from_state.real_apps or (
+                convert_apps and app_label in convert_apps
+            ):
+                if model_state.options.get("proxy"):
+                    self.new_proxy_keys.add((app_label, model_name))
+                else:
+                    self.new_model_keys.add((app_label, model_name))
+
+        self.from_state.resolve_fields_and_relations()
+        self.to_state.resolve_fields_and_relations()
+
+        # Renames have to come first
+        self.generate_renamed_models()
+
+        # Prepare lists of fields and generate through model map
+        self._prepare_field_lists()
+        self._generate_through_model_map()
+
+        # Generate non-rename model operations
+        self.generate_deleted_models()
+        self.generate_created_models()
+        self.generate_deleted_proxies()
+        self.generate_created_proxies()
+        self.generate_altered_options()
+        self.generate_altered_managers()
+        self.generate_altered_db_table_comment()
+
+        # Create the renamed fields and store them in self.renamed_fields.
+        # They are used by create_altered_indexes(), generate_altered_fields(),
+        # generate_removed_altered_index/unique_together(), and
+        # generate_altered_index/unique_together().
+        self.create_renamed_fields()
+        # Create the altered indexes and store them in self.altered_indexes.
+        # This avoids the same computation in generate_removed_indexes()
+        # and generate_added_indexes().
+        self.create_altered_indexes()
+        self.create_altered_constraints()
+        # Generate index removal operations before field is removed
+        self.generate_removed_constraints()
+        self.generate_removed_indexes()
+        # Generate field renaming operations.
+        self.generate_renamed_fields()
+        self.generate_renamed_indexes()
+        # Generate removal of foo together.
+        self.generate_removed_altered_unique_together()
+        self.generate_removed_altered_index_together()  # RemovedInDjango51Warning.
+        # Generate field operations.
+        self.generate_removed_fields()
+        self.generate_added_fields()
+        self.generate_altered_fields()
+        self.generate_altered_order_with_respect_to()
+        self.generate_altered_unique_together()
+        self.generate_altered_index_together()  # RemovedInDjango51Warning.
+        self.generate_added_indexes()
+        self.generate_added_constraints()
+        self.generate_altered_db_table()
+
+        self._sort_migrations()
+        self._build_migration_list(graph)
+        self._optimize_migrations()
+
+        return self.migrations
+
+    def _prepare_field_lists(self):
+        """
+        Prepare field lists and a list of the fields that used through models
+        in the old state so dependencies can be made from the through model
+        deletion to the field that uses it.
+        """
+        self.kept_model_keys = self.old_model_keys & self.new_model_keys
+        self.kept_proxy_keys = self.old_proxy_keys & self.new_proxy_keys
+        self.kept_unmanaged_keys = self.old_unmanaged_keys & self.new_unmanaged_keys
+        self.through_users = {}
+        self.old_field_keys = {
+            (app_label, model_name, field_name)
+            for app_label, model_name in self.kept_model_keys
+            for field_name in self.from_state.models[
+                app_label, self.renamed_models.get((app_label, model_name), model_name)
+            ].fields
+        }
+        self.new_field_keys = {
+            (app_label, model_name, field_name)
+            for app_label, model_name in self.kept_model_keys
+            for field_name in self.to_state.models[app_label, model_name].fields
+        }
+
+    def _generate_through_model_map(self):
+        """Through model map generation."""
+        for app_label, model_name in sorted(self.old_model_keys):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            for field_name, field in old_model_state.fields.items():
+                if hasattr(field, "remote_field") and getattr(
+                    field.remote_field, "through", None
+                ):
+                    through_key = resolve_relation(
+                        field.remote_field.through, app_label, model_name
+                    )
+                    self.through_users[through_key] = (
+                        app_label,
+                        old_model_name,
+                        field_name,
+                    )
+
+    @staticmethod
+    def _resolve_dependency(dependency):
+        """
+        Return the resolved dependency and a boolean denoting whether or not
+        it was swappable.
+        """
+        if dependency[0] != "__setting__":
+            return dependency, False
+        resolved_app_label, resolved_object_name = getattr(
+            settings, dependency[1]
+        ).split(".")
+        return (resolved_app_label, resolved_object_name.lower()) + dependency[2:], True
+
+    def _build_migration_list(self, graph=None):
+        """
+        Chop the lists of operations up into migrations with dependencies on
+        each other. Do this by going through an app's list of operations until
+        one is found that has an outgoing dependency that isn't in another
+        app's migration yet (hasn't been chopped off its list). Then chop off
+        the operations before it into a migration and move onto the next app.
+        If the loops completes without doing anything, there's a circular
+        dependency (which _should_ be impossible as the operations are
+        all split at this point so they can't depend and be depended on).
+        """
+        self.migrations = {}
+        num_ops = sum(len(x) for x in self.generated_operations.values())
+        chop_mode = False
+        while num_ops:
+            # On every iteration, we step through all the apps and see if there
+            # is a completed set of operations.
+            # If we find that a subset of the operations are complete we can
+            # try to chop it off from the rest and continue, but we only
+            # do this if we've already been through the list once before
+            # without any chopping and nothing has changed.
+            for app_label in sorted(self.generated_operations):
+                chopped = []
+                dependencies = set()
+                for operation in list(self.generated_operations[app_label]):
+                    deps_satisfied = True
+                    operation_dependencies = set()
+                    for dep in operation._auto_deps:
+                        # Temporarily resolve the swappable dependency to
+                        # prevent circular references. While keeping the
+                        # dependency checks on the resolved model, add the
+                        # swappable dependencies.
+                        original_dep = dep
+                        dep, is_swappable_dep = self._resolve_dependency(dep)
+                        if dep[0] != app_label:
+                            # External app dependency. See if it's not yet
+                            # satisfied.
+                            for other_operation in self.generated_operations.get(
+                                dep[0], []
+                            ):
+                                if self.check_dependency(other_operation, dep):
+                                    deps_satisfied = False
+                                    break
+                            if not deps_satisfied:
+                                break
+                            else:
+                                if is_swappable_dep:
+                                    operation_dependencies.add(
+                                        (original_dep[0], original_dep[1])
+                                    )
+                                elif dep[0] in self.migrations:
+                                    operation_dependencies.add(
+                                        (dep[0], self.migrations[dep[0]][-1].name)
+                                    )
+                                else:
+                                    # If we can't find the other app, we add a
+                                    # first/last dependency, but only if we've
+                                    # already been through once and checked
+                                    # everything.
+                                    if chop_mode:
+                                        # If the app already exists, we add a
+                                        # dependency on the last migration, as
+                                        # we don't know which migration
+                                        # contains the target field. If it's
+                                        # not yet migrated or has no
+                                        # migrations, we use __first__.
+                                        if graph and graph.leaf_nodes(dep[0]):
+                                            operation_dependencies.add(
+                                                graph.leaf_nodes(dep[0])[0]
+                                            )
+                                        else:
+                                            operation_dependencies.add(
+                                                (dep[0], "__first__")
+                                            )
+                                    else:
+                                        deps_satisfied = False
+                    if deps_satisfied:
+                        chopped.append(operation)
+                        dependencies.update(operation_dependencies)
+                        del self.generated_operations[app_label][0]
+                    else:
+                        break
+                # Make a migration! Well, only if there's stuff to put in it
+                if dependencies or chopped:
+                    if not self.generated_operations[app_label] or chop_mode:
+                        subclass = type(
+                            "Migration",
+                            (Migration,),
+                            {"operations": [], "dependencies": []},
+                        )
+                        instance = subclass(
+                            "auto_%i" % (len(self.migrations.get(app_label, [])) + 1),
+                            app_label,
+                        )
+                        instance.dependencies = list(dependencies)
+                        instance.operations = chopped
+                        instance.initial = app_label not in self.existing_apps
+                        self.migrations.setdefault(app_label, []).append(instance)
+                        chop_mode = False
+                    else:
+                        self.generated_operations[app_label] = (
+                            chopped + self.generated_operations[app_label]
+                        )
+            new_num_ops = sum(len(x) for x in self.generated_operations.values())
+            if new_num_ops == num_ops:
+                if not chop_mode:
+                    chop_mode = True
+                else:
+                    raise ValueError(
+                        "Cannot resolve operation dependencies: %r"
+                        % self.generated_operations
+                    )
+            num_ops = new_num_ops
+
+    def _sort_migrations(self):
+        """
+        Reorder to make things possible. Reordering may be needed so FKs work
+        nicely inside the same app.
+        """
+        for app_label, ops in sorted(self.generated_operations.items()):
+            ts = TopologicalSorter()
+            for op in ops:
+                ts.add(op)
+                for dep in op._auto_deps:
+                    # Resolve intra-app dependencies to handle circular
+                    # references involving a swappable model.
+                    dep = self._resolve_dependency(dep)[0]
+                    if dep[0] != app_label:
+                        continue
+                    ts.add(op, *(x for x in ops if self.check_dependency(x, dep)))
+            self.generated_operations[app_label] = list(ts.static_order())
+
+    def _optimize_migrations(self):
+        # Add in internal dependencies among the migrations
+        for app_label, migrations in self.migrations.items():
+            for m1, m2 in zip(migrations, migrations[1:]):
+                m2.dependencies.append((app_label, m1.name))
+
+        # De-dupe dependencies
+        for migrations in self.migrations.values():
+            for migration in migrations:
+                migration.dependencies = list(set(migration.dependencies))
+
+        # Optimize migrations
+        for app_label, migrations in self.migrations.items():
+            for migration in migrations:
+                migration.operations = MigrationOptimizer().optimize(
+                    migration.operations, app_label
+                )
+
+    def check_dependency(self, operation, dependency):
+        """
+        Return True if the given operation depends on the given dependency,
+        False otherwise.
+        """
+        # Created model
+        if dependency[2] is None and dependency[3] is True:
+            return (
+                isinstance(operation, operations.CreateModel)
+                and operation.name_lower == dependency[1].lower()
+            )
+        # Created field
+        elif dependency[2] is not None and dependency[3] is True:
+            return (
+                isinstance(operation, operations.CreateModel)
+                and operation.name_lower == dependency[1].lower()
+                and any(dependency[2] == x for x, y in operation.fields)
+            ) or (
+                isinstance(operation, operations.AddField)
+                and operation.model_name_lower == dependency[1].lower()
+                and operation.name_lower == dependency[2].lower()
+            )
+        # Removed field
+        elif dependency[2] is not None and dependency[3] is False:
+            return (
+                isinstance(operation, operations.RemoveField)
+                and operation.model_name_lower == dependency[1].lower()
+                and operation.name_lower == dependency[2].lower()
+            )
+        # Removed model
+        elif dependency[2] is None and dependency[3] is False:
+            return (
+                isinstance(operation, operations.DeleteModel)
+                and operation.name_lower == dependency[1].lower()
+            )
+        # Field being altered
+        elif dependency[2] is not None and dependency[3] == "alter":
+            return (
+                isinstance(operation, operations.AlterField)
+                and operation.model_name_lower == dependency[1].lower()
+                and operation.name_lower == dependency[2].lower()
+            )
+        # order_with_respect_to being unset for a field
+        elif dependency[2] is not None and dependency[3] == "order_wrt_unset":
+            return (
+                isinstance(operation, operations.AlterOrderWithRespectTo)
+                and operation.name_lower == dependency[1].lower()
+                and (operation.order_with_respect_to or "").lower()
+                != dependency[2].lower()
+            )
+        # Field is removed and part of an index/unique_together
+        elif dependency[2] is not None and dependency[3] == "foo_together_change":
+            return (
+                isinstance(
+                    operation,
+                    (operations.AlterUniqueTogether, operations.AlterIndexTogether),
+                )
+                and operation.name_lower == dependency[1].lower()
+            )
+        # Unknown dependency. Raise an error.
+        else:
+            raise ValueError("Can't handle dependency %r" % (dependency,))
+
+    def add_operation(self, app_label, operation, dependencies=None, beginning=False):
+        # Dependencies are
+        # (app_label, model_name, field_name, create/delete as True/False)
+        operation._auto_deps = dependencies or []
+        if beginning:
+            self.generated_operations.setdefault(app_label, []).insert(0, operation)
+        else:
+            self.generated_operations.setdefault(app_label, []).append(operation)
+
+    def swappable_first_key(self, item):
+        """
+        Place potential swappable models first in lists of created models (only
+        real way to solve #22783).
+        """
+        try:
+            model_state = self.to_state.models[item]
+            base_names = {
+                base if isinstance(base, str) else base.__name__
+                for base in model_state.bases
+            }
+            string_version = "%s.%s" % (item[0], item[1])
+            if (
+                model_state.options.get("swappable")
+                or "AbstractUser" in base_names
+                or "AbstractBaseUser" in base_names
+                or settings.AUTH_USER_MODEL.lower() == string_version.lower()
+            ):
+                return ("___" + item[0], "___" + item[1])
+        except LookupError:
+            pass
+        return item
+
+    def generate_renamed_models(self):
+        """
+        Find any renamed models, generate the operations for them, and remove
+        the old entry from the model lists. Must be run before other
+        model-level generation.
+        """
+        self.renamed_models = {}
+        self.renamed_models_rel = {}
+        added_models = self.new_model_keys - self.old_model_keys
+        for app_label, model_name in sorted(added_models):
+            model_state = self.to_state.models[app_label, model_name]
+            model_fields_def = self.only_relation_agnostic_fields(model_state.fields)
+
+            removed_models = self.old_model_keys - self.new_model_keys
+            for rem_app_label, rem_model_name in removed_models:
+                if rem_app_label == app_label:
+                    rem_model_state = self.from_state.models[
+                        rem_app_label, rem_model_name
+                    ]
+                    rem_model_fields_def = self.only_relation_agnostic_fields(
+                        rem_model_state.fields
+                    )
+                    if model_fields_def == rem_model_fields_def:
+                        if self.questioner.ask_rename_model(
+                            rem_model_state, model_state
+                        ):
+                            dependencies = []
+                            fields = list(model_state.fields.values()) + [
+                                field.remote_field
+                                for relations in self.to_state.relations[
+                                    app_label, model_name
+                                ].values()
+                                for field in relations.values()
+                            ]
+                            for field in fields:
+                                if field.is_relation:
+                                    dependencies.extend(
+                                        self._get_dependencies_for_foreign_key(
+                                            app_label,
+                                            model_name,
+                                            field,
+                                            self.to_state,
+                                        )
+                                    )
+                            self.add_operation(
+                                app_label,
+                                operations.RenameModel(
+                                    old_name=rem_model_state.name,
+                                    new_name=model_state.name,
+                                ),
+                                dependencies=dependencies,
+                            )
+                            self.renamed_models[app_label, model_name] = rem_model_name
+                            renamed_models_rel_key = "%s.%s" % (
+                                rem_model_state.app_label,
+                                rem_model_state.name_lower,
+                            )
+                            self.renamed_models_rel[renamed_models_rel_key] = (
+                                "%s.%s"
+                                % (
+                                    model_state.app_label,
+                                    model_state.name_lower,
+                                )
+                            )
+                            self.old_model_keys.remove((rem_app_label, rem_model_name))
+                            self.old_model_keys.add((app_label, model_name))
+                            break
+
+    def generate_created_models(self):
+        """
+        Find all new models (both managed and unmanaged) and make create
+        operations for them as well as separate operations to create any
+        foreign key or M2M relationships (these are optimized later, if
+        possible).
+
+        Defer any model options that refer to collections of fields that might
+        be deferred (e.g. unique_together, index_together).
+        """
+        old_keys = self.old_model_keys | self.old_unmanaged_keys
+        added_models = self.new_model_keys - old_keys
+        added_unmanaged_models = self.new_unmanaged_keys - old_keys
+        all_added_models = chain(
+            sorted(added_models, key=self.swappable_first_key, reverse=True),
+            sorted(added_unmanaged_models, key=self.swappable_first_key, reverse=True),
+        )
+        for app_label, model_name in all_added_models:
+            model_state = self.to_state.models[app_label, model_name]
+            # Gather related fields
+            related_fields = {}
+            primary_key_rel = None
+            for field_name, field in model_state.fields.items():
+                if field.remote_field:
+                    if field.remote_field.model:
+                        if field.primary_key:
+                            primary_key_rel = field.remote_field.model
+                        elif not field.remote_field.parent_link:
+                            related_fields[field_name] = field
+                    if getattr(field.remote_field, "through", None):
+                        related_fields[field_name] = field
+
+            # Are there indexes/unique|index_together to defer?
+            indexes = model_state.options.pop("indexes")
+            constraints = model_state.options.pop("constraints")
+            unique_together = model_state.options.pop("unique_together", None)
+            # RemovedInDjango51Warning.
+            index_together = model_state.options.pop("index_together", None)
+            order_with_respect_to = model_state.options.pop(
+                "order_with_respect_to", None
+            )
+            # Depend on the deletion of any possible proxy version of us
+            dependencies = [
+                (app_label, model_name, None, False),
+            ]
+            # Depend on all bases
+            for base in model_state.bases:
+                if isinstance(base, str) and "." in base:
+                    base_app_label, base_name = base.split(".", 1)
+                    dependencies.append((base_app_label, base_name, None, True))
+                    # Depend on the removal of base fields if the new model has
+                    # a field with the same name.
+                    old_base_model_state = self.from_state.models.get(
+                        (base_app_label, base_name)
+                    )
+                    new_base_model_state = self.to_state.models.get(
+                        (base_app_label, base_name)
+                    )
+                    if old_base_model_state and new_base_model_state:
+                        removed_base_fields = (
+                            set(old_base_model_state.fields)
+                            .difference(
+                                new_base_model_state.fields,
+                            )
+                            .intersection(model_state.fields)
+                        )
+                        for removed_base_field in removed_base_fields:
+                            dependencies.append(
+                                (base_app_label, base_name, removed_base_field, False)
+                            )
+            # Depend on the other end of the primary key if it's a relation
+            if primary_key_rel:
+                dependencies.append(
+                    resolve_relation(
+                        primary_key_rel,
+                        app_label,
+                        model_name,
+                    )
+                    + (None, True)
+                )
+            # Generate creation operation
+            self.add_operation(
+                app_label,
+                operations.CreateModel(
+                    name=model_state.name,
+                    fields=[
+                        d
+                        for d in model_state.fields.items()
+                        if d[0] not in related_fields
+                    ],
+                    options=model_state.options,
+                    bases=model_state.bases,
+                    managers=model_state.managers,
+                ),
+                dependencies=dependencies,
+                beginning=True,
+            )
+
+            # Don't add operations which modify the database for unmanaged models
+            if not model_state.options.get("managed", True):
+                continue
+
+            # Generate operations for each related field
+            for name, field in sorted(related_fields.items()):
+                dependencies = self._get_dependencies_for_foreign_key(
+                    app_label,
+                    model_name,
+                    field,
+                    self.to_state,
+                )
+                # Depend on our own model being created
+                dependencies.append((app_label, model_name, None, True))
+                # Make operation
+                self.add_operation(
+                    app_label,
+                    operations.AddField(
+                        model_name=model_name,
+                        name=name,
+                        field=field,
+                    ),
+                    dependencies=list(set(dependencies)),
+                )
+            # Generate other opns
+            if order_with_respect_to:
+                self.add_operation(
+                    app_label,
+                    operations.AlterOrderWithRespectTo(
+                        name=model_name,
+                        order_with_respect_to=order_with_respect_to,
+                    ),
+                    dependencies=[
+                        (app_label, model_name, order_with_respect_to, True),
+                        (app_label, model_name, None, True),
+                    ],
+                )
+            related_dependencies = [
+                (app_label, model_name, name, True) for name in sorted(related_fields)
+            ]
+            related_dependencies.append((app_label, model_name, None, True))
+            for index in indexes:
+                self.add_operation(
+                    app_label,
+                    operations.AddIndex(
+                        model_name=model_name,
+                        index=index,
+                    ),
+                    dependencies=related_dependencies,
+                )
+            for constraint in constraints:
+                self.add_operation(
+                    app_label,
+                    operations.AddConstraint(
+                        model_name=model_name,
+                        constraint=constraint,
+                    ),
+                    dependencies=related_dependencies,
+                )
+            if unique_together:
+                self.add_operation(
+                    app_label,
+                    operations.AlterUniqueTogether(
+                        name=model_name,
+                        unique_together=unique_together,
+                    ),
+                    dependencies=related_dependencies,
+                )
+            # RemovedInDjango51Warning.
+            if index_together:
+                self.add_operation(
+                    app_label,
+                    operations.AlterIndexTogether(
+                        name=model_name,
+                        index_together=index_together,
+                    ),
+                    dependencies=related_dependencies,
+                )
+            # Fix relationships if the model changed from a proxy model to a
+            # concrete model.
+            relations = self.to_state.relations
+            if (app_label, model_name) in self.old_proxy_keys:
+                for related_model_key, related_fields in relations[
+                    app_label, model_name
+                ].items():
+                    related_model_state = self.to_state.models[related_model_key]
+                    for related_field_name, related_field in related_fields.items():
+                        self.add_operation(
+                            related_model_state.app_label,
+                            operations.AlterField(
+                                model_name=related_model_state.name,
+                                name=related_field_name,
+                                field=related_field,
+                            ),
+                            dependencies=[(app_label, model_name, None, True)],
+                        )
+
+    def generate_created_proxies(self):
+        """
+        Make CreateModel statements for proxy models. Use the same statements
+        as that way there's less code duplication, but for proxy models it's
+        safe to skip all the pointless field stuff and chuck out an operation.
+        """
+        added = self.new_proxy_keys - self.old_proxy_keys
+        for app_label, model_name in sorted(added):
+            model_state = self.to_state.models[app_label, model_name]
+            assert model_state.options.get("proxy")
+            # Depend on the deletion of any possible non-proxy version of us
+            dependencies = [
+                (app_label, model_name, None, False),
+            ]
+            # Depend on all bases
+            for base in model_state.bases:
+                if isinstance(base, str) and "." in base:
+                    base_app_label, base_name = base.split(".", 1)
+                    dependencies.append((base_app_label, base_name, None, True))
+            # Generate creation operation
+            self.add_operation(
+                app_label,
+                operations.CreateModel(
+                    name=model_state.name,
+                    fields=[],
+                    options=model_state.options,
+                    bases=model_state.bases,
+                    managers=model_state.managers,
+                ),
+                # Depend on the deletion of any possible non-proxy version of us
+                dependencies=dependencies,
+            )
+
+    def generate_deleted_models(self):
+        """
+        Find all deleted models (managed and unmanaged) and make delete
+        operations for them as well as separate operations to delete any
+        foreign key or M2M relationships (these are optimized later, if
+        possible).
+
+        Also bring forward removal of any model options that refer to
+        collections of fields - the inverse of generate_created_models().
+        """
+        new_keys = self.new_model_keys | self.new_unmanaged_keys
+        deleted_models = self.old_model_keys - new_keys
+        deleted_unmanaged_models = self.old_unmanaged_keys - new_keys
+        all_deleted_models = chain(
+            sorted(deleted_models), sorted(deleted_unmanaged_models)
+        )
+        for app_label, model_name in all_deleted_models:
+            model_state = self.from_state.models[app_label, model_name]
+            # Gather related fields
+            related_fields = {}
+            for field_name, field in model_state.fields.items():
+                if field.remote_field:
+                    if field.remote_field.model:
+                        related_fields[field_name] = field
+                    if getattr(field.remote_field, "through", None):
+                        related_fields[field_name] = field
+            # Generate option removal first
+            unique_together = model_state.options.pop("unique_together", None)
+            # RemovedInDjango51Warning.
+            index_together = model_state.options.pop("index_together", None)
+            if unique_together:
+                self.add_operation(
+                    app_label,
+                    operations.AlterUniqueTogether(
+                        name=model_name,
+                        unique_together=None,
+                    ),
+                )
+            # RemovedInDjango51Warning.
+            if index_together:
+                self.add_operation(
+                    app_label,
+                    operations.AlterIndexTogether(
+                        name=model_name,
+                        index_together=None,
+                    ),
+                )
+            # Then remove each related field
+            for name in sorted(related_fields):
+                self.add_operation(
+                    app_label,
+                    operations.RemoveField(
+                        model_name=model_name,
+                        name=name,
+                    ),
+                )
+            # Finally, remove the model.
+            # This depends on both the removal/alteration of all incoming fields
+            # and the removal of all its own related fields, and if it's
+            # a through model the field that references it.
+            dependencies = []
+            relations = self.from_state.relations
+            for (
+                related_object_app_label,
+                object_name,
+            ), relation_related_fields in relations[app_label, model_name].items():
+                for field_name, field in relation_related_fields.items():
+                    dependencies.append(
+                        (related_object_app_label, object_name, field_name, False),
+                    )
+                    if not field.many_to_many:
+                        dependencies.append(
+                            (
+                                related_object_app_label,
+                                object_name,
+                                field_name,
+                                "alter",
+                            ),
+                        )
+
+            for name in sorted(related_fields):
+                dependencies.append((app_label, model_name, name, False))
+            # We're referenced in another field's through=
+            through_user = self.through_users.get((app_label, model_state.name_lower))
+            if through_user:
+                dependencies.append(
+                    (through_user[0], through_user[1], through_user[2], False)
+                )
+            # Finally, make the operation, deduping any dependencies
+            self.add_operation(
+                app_label,
+                operations.DeleteModel(
+                    name=model_state.name,
+                ),
+                dependencies=list(set(dependencies)),
+            )
+
+    def generate_deleted_proxies(self):
+        """Make DeleteModel options for proxy models."""
+        deleted = self.old_proxy_keys - self.new_proxy_keys
+        for app_label, model_name in sorted(deleted):
+            model_state = self.from_state.models[app_label, model_name]
+            assert model_state.options.get("proxy")
+            self.add_operation(
+                app_label,
+                operations.DeleteModel(
+                    name=model_state.name,
+                ),
+            )
+
+    def create_renamed_fields(self):
+        """Work out renamed fields."""
+        self.renamed_operations = []
+        old_field_keys = self.old_field_keys.copy()
+        for app_label, model_name, field_name in sorted(
+            self.new_field_keys - old_field_keys
+        ):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+            field = new_model_state.get_field(field_name)
+            # Scan to see if this is actually a rename!
+            field_dec = self.deep_deconstruct(field)
+            for rem_app_label, rem_model_name, rem_field_name in sorted(
+                old_field_keys - self.new_field_keys
+            ):
+                if rem_app_label == app_label and rem_model_name == model_name:
+                    old_field = old_model_state.get_field(rem_field_name)
+                    old_field_dec = self.deep_deconstruct(old_field)
+                    if (
+                        field.remote_field
+                        and field.remote_field.model
+                        and "to" in old_field_dec[2]
+                    ):
+                        old_rel_to = old_field_dec[2]["to"]
+                        if old_rel_to in self.renamed_models_rel:
+                            old_field_dec[2]["to"] = self.renamed_models_rel[old_rel_to]
+                    old_field.set_attributes_from_name(rem_field_name)
+                    old_db_column = old_field.get_attname_column()[1]
+                    if old_field_dec == field_dec or (
+                        # Was the field renamed and db_column equal to the
+                        # old field's column added?
+                        old_field_dec[0:2] == field_dec[0:2]
+                        and dict(old_field_dec[2], db_column=old_db_column)
+                        == field_dec[2]
+                    ):
+                        if self.questioner.ask_rename(
+                            model_name, rem_field_name, field_name, field
+                        ):
+                            self.renamed_operations.append(
+                                (
+                                    rem_app_label,
+                                    rem_model_name,
+                                    old_field.db_column,
+                                    rem_field_name,
+                                    app_label,
+                                    model_name,
+                                    field,
+                                    field_name,
+                                )
+                            )
+                            old_field_keys.remove(
+                                (rem_app_label, rem_model_name, rem_field_name)
+                            )
+                            old_field_keys.add((app_label, model_name, field_name))
+                            self.renamed_fields[app_label, model_name, field_name] = (
+                                rem_field_name
+                            )
+                            break
+
+    def generate_renamed_fields(self):
+        """Generate RenameField operations."""
+        for (
+            rem_app_label,
+            rem_model_name,
+            rem_db_column,
+            rem_field_name,
+            app_label,
+            model_name,
+            field,
+            field_name,
+        ) in self.renamed_operations:
+            # A db_column mismatch requires a prior noop AlterField for the
+            # subsequent RenameField to be a noop on attempts at preserving the
+            # old name.
+            if rem_db_column != field.db_column:
+                altered_field = field.clone()
+                altered_field.name = rem_field_name
+                self.add_operation(
+                    app_label,
+                    operations.AlterField(
+                        model_name=model_name,
+                        name=rem_field_name,
+                        field=altered_field,
+                    ),
+                )
+            self.add_operation(
+                app_label,
+                operations.RenameField(
+                    model_name=model_name,
+                    old_name=rem_field_name,
+                    new_name=field_name,
+                ),
+            )
+            self.old_field_keys.remove((rem_app_label, rem_model_name, rem_field_name))
+            self.old_field_keys.add((app_label, model_name, field_name))
+
+    def generate_added_fields(self):
+        """Make AddField operations."""
+        for app_label, model_name, field_name in sorted(
+            self.new_field_keys - self.old_field_keys
+        ):
+            self._generate_added_field(app_label, model_name, field_name)
+
+    def _generate_added_field(self, app_label, model_name, field_name):
+        field = self.to_state.models[app_label, model_name].get_field(field_name)
+        # Adding a field always depends at least on its removal.
+        dependencies = [(app_label, model_name, field_name, False)]
+        # Fields that are foreignkeys/m2ms depend on stuff.
+        if field.remote_field and field.remote_field.model:
+            dependencies.extend(
+                self._get_dependencies_for_foreign_key(
+                    app_label,
+                    model_name,
+                    field,
+                    self.to_state,
+                )
+            )
+        if field.generated:
+            dependencies.extend(self._get_dependencies_for_generated_field(field))
+        # You can't just add NOT NULL fields with no default or fields
+        # which don't allow empty strings as default.
+        time_fields = (models.DateField, models.DateTimeField, models.TimeField)
+        preserve_default = (
+            field.null
+            or field.has_default()
+            or field.db_default is not models.NOT_PROVIDED
+            or field.many_to_many
+            or (field.blank and field.empty_strings_allowed)
+            or (isinstance(field, time_fields) and field.auto_now)
+        )
+        if not preserve_default:
+            field = field.clone()
+            if isinstance(field, time_fields) and field.auto_now_add:
+                field.default = self.questioner.ask_auto_now_add_addition(
+                    field_name, model_name
+                )
+            else:
+                field.default = self.questioner.ask_not_null_addition(
+                    field_name, model_name
+                )
+        if (
+            field.unique
+            and field.default is not models.NOT_PROVIDED
+            and callable(field.default)
+        ):
+            self.questioner.ask_unique_callable_default_addition(field_name, model_name)
+        self.add_operation(
+            app_label,
+            operations.AddField(
+                model_name=model_name,
+                name=field_name,
+                field=field,
+                preserve_default=preserve_default,
+            ),
+            dependencies=dependencies,
+        )
+
+    def generate_removed_fields(self):
+        """Make RemoveField operations."""
+        for app_label, model_name, field_name in sorted(
+            self.old_field_keys - self.new_field_keys
+        ):
+            self._generate_removed_field(app_label, model_name, field_name)
+
+    def _generate_removed_field(self, app_label, model_name, field_name):
+        self.add_operation(
+            app_label,
+            operations.RemoveField(
+                model_name=model_name,
+                name=field_name,
+            ),
+            # We might need to depend on the removal of an
+            # order_with_respect_to or index/unique_together operation;
+            # this is safely ignored if there isn't one
+            dependencies=[
+                (app_label, model_name, field_name, "order_wrt_unset"),
+                (app_label, model_name, field_name, "foo_together_change"),
+            ],
+        )
+
+    def generate_altered_fields(self):
+        """
+        Make AlterField operations, or possibly RemovedField/AddField if alter
+        isn't possible.
+        """
+        for app_label, model_name, field_name in sorted(
+            self.old_field_keys & self.new_field_keys
+        ):
+            # Did the field change?
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_field_name = self.renamed_fields.get(
+                (app_label, model_name, field_name), field_name
+            )
+            old_field = self.from_state.models[app_label, old_model_name].get_field(
+                old_field_name
+            )
+            new_field = self.to_state.models[app_label, model_name].get_field(
+                field_name
+            )
+            dependencies = []
+            # Implement any model renames on relations; these are handled by RenameModel
+            # so we need to exclude them from the comparison
+            if hasattr(new_field, "remote_field") and getattr(
+                new_field.remote_field, "model", None
+            ):
+                rename_key = resolve_relation(
+                    new_field.remote_field.model, app_label, model_name
+                )
+                if rename_key in self.renamed_models:
+                    new_field.remote_field.model = old_field.remote_field.model
+                # Handle ForeignKey which can only have a single to_field.
+                remote_field_name = getattr(new_field.remote_field, "field_name", None)
+                if remote_field_name:
+                    to_field_rename_key = rename_key + (remote_field_name,)
+                    if to_field_rename_key in self.renamed_fields:
+                        # Repoint both model and field name because to_field
+                        # inclusion in ForeignKey.deconstruct() is based on
+                        # both.
+                        new_field.remote_field.model = old_field.remote_field.model
+                        new_field.remote_field.field_name = (
+                            old_field.remote_field.field_name
+                        )
+                # Handle ForeignObjects which can have multiple from_fields/to_fields.
+                from_fields = getattr(new_field, "from_fields", None)
+                if from_fields:
+                    from_rename_key = (app_label, model_name)
+                    new_field.from_fields = tuple(
+                        [
+                            self.renamed_fields.get(
+                                from_rename_key + (from_field,), from_field
+                            )
+                            for from_field in from_fields
+                        ]
+                    )
+                    new_field.to_fields = tuple(
+                        [
+                            self.renamed_fields.get(rename_key + (to_field,), to_field)
+                            for to_field in new_field.to_fields
+                        ]
+                    )
+                    if old_from_fields := getattr(old_field, "from_fields", None):
+                        old_field.from_fields = tuple(old_from_fields)
+                        old_field.to_fields = tuple(old_field.to_fields)
+                dependencies.extend(
+                    self._get_dependencies_for_foreign_key(
+                        app_label,
+                        model_name,
+                        new_field,
+                        self.to_state,
+                    )
+                )
+            if hasattr(new_field, "remote_field") and getattr(
+                new_field.remote_field, "through", None
+            ):
+                rename_key = resolve_relation(
+                    new_field.remote_field.through, app_label, model_name
+                )
+                if rename_key in self.renamed_models:
+                    new_field.remote_field.through = old_field.remote_field.through
+            old_field_dec = self.deep_deconstruct(old_field)
+            new_field_dec = self.deep_deconstruct(new_field)
+            # If the field was confirmed to be renamed it means that only
+            # db_column was allowed to change which generate_renamed_fields()
+            # already accounts for by adding an AlterField operation.
+            if old_field_dec != new_field_dec and old_field_name == field_name:
+                both_m2m = old_field.many_to_many and new_field.many_to_many
+                neither_m2m = not old_field.many_to_many and not new_field.many_to_many
+                if both_m2m or neither_m2m:
+                    # Either both fields are m2m or neither is
+                    preserve_default = True
+                    if (
+                        old_field.null
+                        and not new_field.null
+                        and not new_field.has_default()
+                        and new_field.db_default is models.NOT_PROVIDED
+                        and not new_field.many_to_many
+                    ):
+                        field = new_field.clone()
+                        new_default = self.questioner.ask_not_null_alteration(
+                            field_name, model_name
+                        )
+                        if new_default is not models.NOT_PROVIDED:
+                            field.default = new_default
+                            preserve_default = False
+                    else:
+                        field = new_field
+                    self.add_operation(
+                        app_label,
+                        operations.AlterField(
+                            model_name=model_name,
+                            name=field_name,
+                            field=field,
+                            preserve_default=preserve_default,
+                        ),
+                        dependencies=dependencies,
+                    )
+                else:
+                    # We cannot alter between m2m and concrete fields
+                    self._generate_removed_field(app_label, model_name, field_name)
+                    self._generate_added_field(app_label, model_name, field_name)
+
+    def create_altered_indexes(self):
+        option_name = operations.AddIndex.option_name
+        self.renamed_index_together_values = defaultdict(list)
+
+        for app_label, model_name in sorted(self.kept_model_keys):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+
+            old_indexes = old_model_state.options[option_name]
+            new_indexes = new_model_state.options[option_name]
+            added_indexes = [idx for idx in new_indexes if idx not in old_indexes]
+            removed_indexes = [idx for idx in old_indexes if idx not in new_indexes]
+            renamed_indexes = []
+            # Find renamed indexes.
+            remove_from_added = []
+            remove_from_removed = []
+            for new_index in added_indexes:
+                new_index_dec = new_index.deconstruct()
+                new_index_name = new_index_dec[2].pop("name")
+                for old_index in removed_indexes:
+                    old_index_dec = old_index.deconstruct()
+                    old_index_name = old_index_dec[2].pop("name")
+                    # Indexes are the same except for the names.
+                    if (
+                        new_index_dec == old_index_dec
+                        and new_index_name != old_index_name
+                    ):
+                        renamed_indexes.append((old_index_name, new_index_name, None))
+                        remove_from_added.append(new_index)
+                        remove_from_removed.append(old_index)
+            # Find index_together changed to indexes.
+            for (
+                old_value,
+                new_value,
+                index_together_app_label,
+                index_together_model_name,
+                dependencies,
+            ) in self._get_altered_foo_together_operations(
+                operations.AlterIndexTogether.option_name
+            ):
+                if (
+                    app_label != index_together_app_label
+                    or model_name != index_together_model_name
+                ):
+                    continue
+                removed_values = old_value.difference(new_value)
+                for removed_index_together in removed_values:
+                    renamed_index_together_indexes = []
+                    for new_index in added_indexes:
+                        _, args, kwargs = new_index.deconstruct()
+                        # Ensure only 'fields' are defined in the Index.
+                        if (
+                            not args
+                            and new_index.fields == list(removed_index_together)
+                            and set(kwargs) == {"name", "fields"}
+                        ):
+                            renamed_index_together_indexes.append(new_index)
+
+                    if len(renamed_index_together_indexes) == 1:
+                        renamed_index = renamed_index_together_indexes[0]
+                        remove_from_added.append(renamed_index)
+                        renamed_indexes.append(
+                            (None, renamed_index.name, removed_index_together)
+                        )
+                        self.renamed_index_together_values[
+                            index_together_app_label, index_together_model_name
+                        ].append(removed_index_together)
+            # Remove renamed indexes from the lists of added and removed
+            # indexes.
+            added_indexes = [
+                idx for idx in added_indexes if idx not in remove_from_added
+            ]
+            removed_indexes = [
+                idx for idx in removed_indexes if idx not in remove_from_removed
+            ]
+
+            self.altered_indexes.update(
+                {
+                    (app_label, model_name): {
+                        "added_indexes": added_indexes,
+                        "removed_indexes": removed_indexes,
+                        "renamed_indexes": renamed_indexes,
+                    }
+                }
+            )
+
+    def generate_added_indexes(self):
+        for (app_label, model_name), alt_indexes in self.altered_indexes.items():
+            dependencies = self._get_dependencies_for_model(app_label, model_name)
+            for index in alt_indexes["added_indexes"]:
+                self.add_operation(
+                    app_label,
+                    operations.AddIndex(
+                        model_name=model_name,
+                        index=index,
+                    ),
+                    dependencies=dependencies,
+                )
+
+    def generate_removed_indexes(self):
+        for (app_label, model_name), alt_indexes in self.altered_indexes.items():
+            for index in alt_indexes["removed_indexes"]:
+                self.add_operation(
+                    app_label,
+                    operations.RemoveIndex(
+                        model_name=model_name,
+                        name=index.name,
+                    ),
+                )
+
+    def generate_renamed_indexes(self):
+        for (app_label, model_name), alt_indexes in self.altered_indexes.items():
+            for old_index_name, new_index_name, old_fields in alt_indexes[
+                "renamed_indexes"
+            ]:
+                self.add_operation(
+                    app_label,
+                    operations.RenameIndex(
+                        model_name=model_name,
+                        new_name=new_index_name,
+                        old_name=old_index_name,
+                        old_fields=old_fields,
+                    ),
+                )
+
+    def create_altered_constraints(self):
+        option_name = operations.AddConstraint.option_name
+        for app_label, model_name in sorted(self.kept_model_keys):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+
+            old_constraints = old_model_state.options[option_name]
+            new_constraints = new_model_state.options[option_name]
+            add_constraints = [c for c in new_constraints if c not in old_constraints]
+            rem_constraints = [c for c in old_constraints if c not in new_constraints]
+
+            self.altered_constraints.update(
+                {
+                    (app_label, model_name): {
+                        "added_constraints": add_constraints,
+                        "removed_constraints": rem_constraints,
+                    }
+                }
+            )
+
+    def generate_added_constraints(self):
+        for (
+            app_label,
+            model_name,
+        ), alt_constraints in self.altered_constraints.items():
+            dependencies = self._get_dependencies_for_model(app_label, model_name)
+            for constraint in alt_constraints["added_constraints"]:
+                self.add_operation(
+                    app_label,
+                    operations.AddConstraint(
+                        model_name=model_name,
+                        constraint=constraint,
+                    ),
+                    dependencies=dependencies,
+                )
+
+    def generate_removed_constraints(self):
+        for (
+            app_label,
+            model_name,
+        ), alt_constraints in self.altered_constraints.items():
+            for constraint in alt_constraints["removed_constraints"]:
+                self.add_operation(
+                    app_label,
+                    operations.RemoveConstraint(
+                        model_name=model_name,
+                        name=constraint.name,
+                    ),
+                )
+
+    @staticmethod
+    def _get_dependencies_for_foreign_key(app_label, model_name, field, project_state):
+        remote_field_model = None
+        if hasattr(field.remote_field, "model"):
+            remote_field_model = field.remote_field.model
+        else:
+            relations = project_state.relations[app_label, model_name]
+            for (remote_app_label, remote_model_name), fields in relations.items():
+                if any(
+                    field == related_field.remote_field
+                    for related_field in fields.values()
+                ):
+                    remote_field_model = f"{remote_app_label}.{remote_model_name}"
+                    break
+        # Account for FKs to swappable models
+        swappable_setting = getattr(field, "swappable_setting", None)
+        if swappable_setting is not None:
+            dep_app_label = "__setting__"
+            dep_object_name = swappable_setting
+        else:
+            dep_app_label, dep_object_name = resolve_relation(
+                remote_field_model,
+                app_label,
+                model_name,
+            )
+        dependencies = [(dep_app_label, dep_object_name, None, True)]
+        if getattr(field.remote_field, "through", None):
+            through_app_label, through_object_name = resolve_relation(
+                field.remote_field.through,
+                app_label,
+                model_name,
+            )
+            dependencies.append((through_app_label, through_object_name, None, True))
+        return dependencies
+
+    def _get_dependencies_for_generated_field(self, field):
+        dependencies = []
+        referenced_base_fields = models.Q(field.expression).referenced_base_fields
+        newly_added_fields = sorted(self.new_field_keys - self.old_field_keys)
+        for app_label, model_name, added_field_name in newly_added_fields:
+            added_field = self.to_state.models[app_label, model_name].get_field(
+                added_field_name
+            )
+            if (
+                added_field.remote_field and added_field.remote_field.model
+            ) or added_field.name in referenced_base_fields:
+                dependencies.append((app_label, model_name, added_field.name, True))
+        return dependencies
+
+    def _get_dependencies_for_model(self, app_label, model_name):
+        """Return foreign key dependencies of the given model."""
+        dependencies = []
+        model_state = self.to_state.models[app_label, model_name]
+        for field in model_state.fields.values():
+            if field.is_relation:
+                dependencies.extend(
+                    self._get_dependencies_for_foreign_key(
+                        app_label,
+                        model_name,
+                        field,
+                        self.to_state,
+                    )
+                )
+        return dependencies
+
+    def _get_altered_foo_together_operations(self, option_name):
+        for app_label, model_name in sorted(self.kept_model_keys):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+
+            # We run the old version through the field renames to account for those
+            old_value = old_model_state.options.get(option_name)
+            old_value = (
+                {
+                    tuple(
+                        self.renamed_fields.get((app_label, model_name, n), n)
+                        for n in unique
+                    )
+                    for unique in old_value
+                }
+                if old_value
+                else set()
+            )
+
+            new_value = new_model_state.options.get(option_name)
+            new_value = set(new_value) if new_value else set()
+
+            if old_value != new_value:
+                dependencies = []
+                for foo_togethers in new_value:
+                    for field_name in foo_togethers:
+                        field = new_model_state.get_field(field_name)
+                        if field.remote_field and field.remote_field.model:
+                            dependencies.extend(
+                                self._get_dependencies_for_foreign_key(
+                                    app_label,
+                                    model_name,
+                                    field,
+                                    self.to_state,
+                                )
+                            )
+                yield (
+                    old_value,
+                    new_value,
+                    app_label,
+                    model_name,
+                    dependencies,
+                )
+
+    def _generate_removed_altered_foo_together(self, operation):
+        for (
+            old_value,
+            new_value,
+            app_label,
+            model_name,
+            dependencies,
+        ) in self._get_altered_foo_together_operations(operation.option_name):
+            if operation == operations.AlterIndexTogether:
+                old_value = {
+                    value
+                    for value in old_value
+                    if value
+                    not in self.renamed_index_together_values[app_label, model_name]
+                }
+            removal_value = new_value.intersection(old_value)
+            if removal_value or old_value:
+                self.add_operation(
+                    app_label,
+                    operation(
+                        name=model_name, **{operation.option_name: removal_value}
+                    ),
+                    dependencies=dependencies,
+                )
+
+    def generate_removed_altered_unique_together(self):
+        self._generate_removed_altered_foo_together(operations.AlterUniqueTogether)
+
+    # RemovedInDjango51Warning.
+    def generate_removed_altered_index_together(self):
+        self._generate_removed_altered_foo_together(operations.AlterIndexTogether)
+
+    def _generate_altered_foo_together(self, operation):
+        for (
+            old_value,
+            new_value,
+            app_label,
+            model_name,
+            dependencies,
+        ) in self._get_altered_foo_together_operations(operation.option_name):
+            removal_value = new_value.intersection(old_value)
+            if new_value != removal_value:
+                self.add_operation(
+                    app_label,
+                    operation(name=model_name, **{operation.option_name: new_value}),
+                    dependencies=dependencies,
+                )
+
+    def generate_altered_unique_together(self):
+        self._generate_altered_foo_together(operations.AlterUniqueTogether)
+
+    # RemovedInDjango51Warning.
+    def generate_altered_index_together(self):
+        self._generate_altered_foo_together(operations.AlterIndexTogether)
+
+    def generate_altered_db_table(self):
+        models_to_check = self.kept_model_keys.union(
+            self.kept_proxy_keys, self.kept_unmanaged_keys
+        )
+        for app_label, model_name in sorted(models_to_check):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+            old_db_table_name = old_model_state.options.get("db_table")
+            new_db_table_name = new_model_state.options.get("db_table")
+            if old_db_table_name != new_db_table_name:
+                self.add_operation(
+                    app_label,
+                    operations.AlterModelTable(
+                        name=model_name,
+                        table=new_db_table_name,
+                    ),
+                )
+
+    def generate_altered_db_table_comment(self):
+        models_to_check = self.kept_model_keys.union(
+            self.kept_proxy_keys, self.kept_unmanaged_keys
+        )
+        for app_label, model_name in sorted(models_to_check):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+
+            old_db_table_comment = old_model_state.options.get("db_table_comment")
+            new_db_table_comment = new_model_state.options.get("db_table_comment")
+            if old_db_table_comment != new_db_table_comment:
+                self.add_operation(
+                    app_label,
+                    operations.AlterModelTableComment(
+                        name=model_name,
+                        table_comment=new_db_table_comment,
+                    ),
+                )
+
+    def generate_altered_options(self):
+        """
+        Work out if any non-schema-affecting options have changed and make an
+        operation to represent them in state changes (in case Python code in
+        migrations needs them).
+        """
+        models_to_check = self.kept_model_keys.union(
+            self.kept_proxy_keys,
+            self.kept_unmanaged_keys,
+            # unmanaged converted to managed
+            self.old_unmanaged_keys & self.new_model_keys,
+            # managed converted to unmanaged
+            self.old_model_keys & self.new_unmanaged_keys,
+        )
+
+        for app_label, model_name in sorted(models_to_check):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+            old_options = {
+                key: value
+                for key, value in old_model_state.options.items()
+                if key in AlterModelOptions.ALTER_OPTION_KEYS
+            }
+            new_options = {
+                key: value
+                for key, value in new_model_state.options.items()
+                if key in AlterModelOptions.ALTER_OPTION_KEYS
+            }
+            if old_options != new_options:
+                self.add_operation(
+                    app_label,
+                    operations.AlterModelOptions(
+                        name=model_name,
+                        options=new_options,
+                    ),
+                )
+
+    def generate_altered_order_with_respect_to(self):
+        for app_label, model_name in sorted(self.kept_model_keys):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+            if old_model_state.options.get(
+                "order_with_respect_to"
+            ) != new_model_state.options.get("order_with_respect_to"):
+                # Make sure it comes second if we're adding
+                # (removal dependency is part of RemoveField)
+                dependencies = []
+                if new_model_state.options.get("order_with_respect_to"):
+                    dependencies.append(
+                        (
+                            app_label,
+                            model_name,
+                            new_model_state.options["order_with_respect_to"],
+                            True,
+                        )
+                    )
+                # Actually generate the operation
+                self.add_operation(
+                    app_label,
+                    operations.AlterOrderWithRespectTo(
+                        name=model_name,
+                        order_with_respect_to=new_model_state.options.get(
+                            "order_with_respect_to"
+                        ),
+                    ),
+                    dependencies=dependencies,
+                )
+
+    def generate_altered_managers(self):
+        for app_label, model_name in sorted(self.kept_model_keys):
+            old_model_name = self.renamed_models.get(
+                (app_label, model_name), model_name
+            )
+            old_model_state = self.from_state.models[app_label, old_model_name]
+            new_model_state = self.to_state.models[app_label, model_name]
+            if old_model_state.managers != new_model_state.managers:
+                self.add_operation(
+                    app_label,
+                    operations.AlterModelManagers(
+                        name=model_name,
+                        managers=new_model_state.managers,
+                    ),
+                )
+
+    def arrange_for_graph(self, changes, graph, migration_name=None):
+        """
+        Take a result from changes() and a MigrationGraph, and fix the names
+        and dependencies of the changes so they extend the graph from the leaf
+        nodes for each app.
+        """
+        leaves = graph.leaf_nodes()
+        name_map = {}
+        for app_label, migrations in list(changes.items()):
+            if not migrations:
+                continue
+            # Find the app label's current leaf node
+            app_leaf = None
+            for leaf in leaves:
+                if leaf[0] == app_label:
+                    app_leaf = leaf
+                    break
+            # Do they want an initial migration for this app?
+            if app_leaf is None and not self.questioner.ask_initial(app_label):
+                # They don't.
+                for migration in migrations:
+                    name_map[(app_label, migration.name)] = (app_label, "__first__")
+                del changes[app_label]
+                continue
+            # Work out the next number in the sequence
+            if app_leaf is None:
+                next_number = 1
+            else:
+                next_number = (self.parse_number(app_leaf[1]) or 0) + 1
+            # Name each migration
+            for i, migration in enumerate(migrations):
+                if i == 0 and app_leaf:
+                    migration.dependencies.append(app_leaf)
+                new_name_parts = ["%04i" % next_number]
+                if migration_name:
+                    new_name_parts.append(migration_name)
+                elif i == 0 and not app_leaf:
+                    new_name_parts.append("initial")
+                else:
+                    new_name_parts.append(migration.suggest_name()[:100])
+                new_name = "_".join(new_name_parts)
+                name_map[(app_label, migration.name)] = (app_label, new_name)
+                next_number += 1
+                migration.name = new_name
+        # Now fix dependencies
+        for migrations in changes.values():
+            for migration in migrations:
+                migration.dependencies = [
+                    name_map.get(d, d) for d in migration.dependencies
+                ]
+        return changes
+
+    def _trim_to_apps(self, changes, app_labels):
+        """
+        Take changes from arrange_for_graph() and set of app labels, and return
+        a modified set of changes which trims out as many migrations that are
+        not in app_labels as possible. Note that some other migrations may
+        still be present as they may be required dependencies.
+        """
+        # Gather other app dependencies in a first pass
+        app_dependencies = {}
+        for app_label, migrations in changes.items():
+            for migration in migrations:
+                for dep_app_label, name in migration.dependencies:
+                    app_dependencies.setdefault(app_label, set()).add(dep_app_label)
+        required_apps = set(app_labels)
+        # Keep resolving till there's no change
+        old_required_apps = None
+        while old_required_apps != required_apps:
+            old_required_apps = set(required_apps)
+            required_apps.update(
+                *[app_dependencies.get(app_label, ()) for app_label in required_apps]
+            )
+        # Remove all migrations that aren't needed
+        for app_label in list(changes):
+            if app_label not in required_apps:
+                del changes[app_label]
+        return changes
+
+    @classmethod
+    def parse_number(cls, name):
+        """
+        Given a migration name, try to extract a number from the beginning of
+        it. For a squashed migration such as '0001_squashed_0004…', return the
+        second number. If no number is found, return None.
+        """
+        if squashed_match := re.search(r".*_squashed_(\d+)", name):
+            return int(squashed_match[1])
+        match = re.match(r"^\d+", name)
+        if match:
+            return int(match[0])
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/exceptions.py
new file mode 100644
index 00000000..dd556dac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/exceptions.py
@@ -0,0 +1,60 @@
+from django.db import DatabaseError
+
+
+class AmbiguityError(Exception):
+    """More than one migration matches a name prefix."""
+
+    pass
+
+
+class BadMigrationError(Exception):
+    """There's a bad migration (unreadable/bad format/etc.)."""
+
+    pass
+
+
+class CircularDependencyError(Exception):
+    """There's an impossible-to-resolve circular dependency."""
+
+    pass
+
+
+class InconsistentMigrationHistory(Exception):
+    """An applied migration has some of its dependencies not applied."""
+
+    pass
+
+
+class InvalidBasesError(ValueError):
+    """A model's base classes can't be resolved."""
+
+    pass
+
+
+class IrreversibleError(RuntimeError):
+    """An irreversible migration is about to be reversed."""
+
+    pass
+
+
+class NodeNotFoundError(LookupError):
+    """An attempt on a node is made that is not available in the graph."""
+
+    def __init__(self, message, node, origin=None):
+        self.message = message
+        self.origin = origin
+        self.node = node
+
+    def __str__(self):
+        return self.message
+
+    def __repr__(self):
+        return "NodeNotFoundError(%r)" % (self.node,)
+
+
+class MigrationSchemaMissing(DatabaseError):
+    pass
+
+
+class InvalidMigrationPlan(ValueError):
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/executor.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/executor.py
new file mode 100644
index 00000000..eb738cf4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/executor.py
@@ -0,0 +1,410 @@
+from django.apps.registry import apps as global_apps
+from django.db import migrations, router
+
+from .exceptions import InvalidMigrationPlan
+from .loader import MigrationLoader
+from .recorder import MigrationRecorder
+from .state import ProjectState
+
+
+class MigrationExecutor:
+    """
+    End-to-end migration execution - load migrations and run them up or down
+    to a specified set of targets.
+    """
+
+    def __init__(self, connection, progress_callback=None):
+        self.connection = connection
+        self.loader = MigrationLoader(self.connection)
+        self.recorder = MigrationRecorder(self.connection)
+        self.progress_callback = progress_callback
+
+    def migration_plan(self, targets, clean_start=False):
+        """
+        Given a set of targets, return a list of (Migration instance, backwards?).
+        """
+        plan = []
+        if clean_start:
+            applied = {}
+        else:
+            applied = dict(self.loader.applied_migrations)
+        for target in targets:
+            # If the target is (app_label, None), that means unmigrate everything
+            if target[1] is None:
+                for root in self.loader.graph.root_nodes():
+                    if root[0] == target[0]:
+                        for migration in self.loader.graph.backwards_plan(root):
+                            if migration in applied:
+                                plan.append((self.loader.graph.nodes[migration], True))
+                                applied.pop(migration)
+            # If the migration is already applied, do backwards mode,
+            # otherwise do forwards mode.
+            elif target in applied:
+                # If the target is missing, it's likely a replaced migration.
+                # Reload the graph without replacements.
+                if (
+                    self.loader.replace_migrations
+                    and target not in self.loader.graph.node_map
+                ):
+                    self.loader.replace_migrations = False
+                    self.loader.build_graph()
+                    return self.migration_plan(targets, clean_start=clean_start)
+                # Don't migrate backwards all the way to the target node (that
+                # may roll back dependencies in other apps that don't need to
+                # be rolled back); instead roll back through target's immediate
+                # child(ren) in the same app, and no further.
+                next_in_app = sorted(
+                    n
+                    for n in self.loader.graph.node_map[target].children
+                    if n[0] == target[0]
+                )
+                for node in next_in_app:
+                    for migration in self.loader.graph.backwards_plan(node):
+                        if migration in applied:
+                            plan.append((self.loader.graph.nodes[migration], True))
+                            applied.pop(migration)
+            else:
+                for migration in self.loader.graph.forwards_plan(target):
+                    if migration not in applied:
+                        plan.append((self.loader.graph.nodes[migration], False))
+                        applied[migration] = self.loader.graph.nodes[migration]
+        return plan
+
+    def _create_project_state(self, with_applied_migrations=False):
+        """
+        Create a project state including all the applications without
+        migrations and applied migrations if with_applied_migrations=True.
+        """
+        state = ProjectState(real_apps=self.loader.unmigrated_apps)
+        if with_applied_migrations:
+            # Create the forwards plan Django would follow on an empty database
+            full_plan = self.migration_plan(
+                self.loader.graph.leaf_nodes(), clean_start=True
+            )
+            applied_migrations = {
+                self.loader.graph.nodes[key]
+                for key in self.loader.applied_migrations
+                if key in self.loader.graph.nodes
+            }
+            for migration, _ in full_plan:
+                if migration in applied_migrations:
+                    migration.mutate_state(state, preserve=False)
+        return state
+
+    def migrate(self, targets, plan=None, state=None, fake=False, fake_initial=False):
+        """
+        Migrate the database up to the given targets.
+
+        Django first needs to create all project states before a migration is
+        (un)applied and in a second step run all the database operations.
+        """
+        # The django_migrations table must be present to record applied
+        # migrations, but don't create it if there are no migrations to apply.
+        if plan == []:
+            if not self.recorder.has_table():
+                return self._create_project_state(with_applied_migrations=False)
+        else:
+            self.recorder.ensure_schema()
+
+        if plan is None:
+            plan = self.migration_plan(targets)
+        # Create the forwards plan Django would follow on an empty database
+        full_plan = self.migration_plan(
+            self.loader.graph.leaf_nodes(), clean_start=True
+        )
+
+        all_forwards = all(not backwards for mig, backwards in plan)
+        all_backwards = all(backwards for mig, backwards in plan)
+
+        if not plan:
+            if state is None:
+                # The resulting state should include applied migrations.
+                state = self._create_project_state(with_applied_migrations=True)
+        elif all_forwards == all_backwards:
+            # This should only happen if there's a mixed plan
+            raise InvalidMigrationPlan(
+                "Migration plans with both forwards and backwards migrations "
+                "are not supported. Please split your migration process into "
+                "separate plans of only forwards OR backwards migrations.",
+                plan,
+            )
+        elif all_forwards:
+            if state is None:
+                # The resulting state should still include applied migrations.
+                state = self._create_project_state(with_applied_migrations=True)
+            state = self._migrate_all_forwards(
+                state, plan, full_plan, fake=fake, fake_initial=fake_initial
+            )
+        else:
+            # No need to check for `elif all_backwards` here, as that condition
+            # would always evaluate to true.
+            state = self._migrate_all_backwards(plan, full_plan, fake=fake)
+
+        self.check_replacements()
+
+        return state
+
+    def _migrate_all_forwards(self, state, plan, full_plan, fake, fake_initial):
+        """
+        Take a list of 2-tuples of the form (migration instance, False) and
+        apply them in the order they occur in the full_plan.
+        """
+        migrations_to_run = {m[0] for m in plan}
+        for migration, _ in full_plan:
+            if not migrations_to_run:
+                # We remove every migration that we applied from these sets so
+                # that we can bail out once the last migration has been applied
+                # and don't always run until the very end of the migration
+                # process.
+                break
+            if migration in migrations_to_run:
+                if "apps" not in state.__dict__:
+                    if self.progress_callback:
+                        self.progress_callback("render_start")
+                    state.apps  # Render all -- performance critical
+                    if self.progress_callback:
+                        self.progress_callback("render_success")
+                state = self.apply_migration(
+                    state, migration, fake=fake, fake_initial=fake_initial
+                )
+                migrations_to_run.remove(migration)
+
+        return state
+
+    def _migrate_all_backwards(self, plan, full_plan, fake):
+        """
+        Take a list of 2-tuples of the form (migration instance, True) and
+        unapply them in reverse order they occur in the full_plan.
+
+        Since unapplying a migration requires the project state prior to that
+        migration, Django will compute the migration states before each of them
+        in a first run over the plan and then unapply them in a second run over
+        the plan.
+        """
+        migrations_to_run = {m[0] for m in plan}
+        # Holds all migration states prior to the migrations being unapplied
+        states = {}
+        state = self._create_project_state()
+        applied_migrations = {
+            self.loader.graph.nodes[key]
+            for key in self.loader.applied_migrations
+            if key in self.loader.graph.nodes
+        }
+        if self.progress_callback:
+            self.progress_callback("render_start")
+        for migration, _ in full_plan:
+            if not migrations_to_run:
+                # We remove every migration that we applied from this set so
+                # that we can bail out once the last migration has been applied
+                # and don't always run until the very end of the migration
+                # process.
+                break
+            if migration in migrations_to_run:
+                if "apps" not in state.__dict__:
+                    state.apps  # Render all -- performance critical
+                # The state before this migration
+                states[migration] = state
+                # The old state keeps as-is, we continue with the new state
+                state = migration.mutate_state(state, preserve=True)
+                migrations_to_run.remove(migration)
+            elif migration in applied_migrations:
+                # Only mutate the state if the migration is actually applied
+                # to make sure the resulting state doesn't include changes
+                # from unrelated migrations.
+                migration.mutate_state(state, preserve=False)
+        if self.progress_callback:
+            self.progress_callback("render_success")
+
+        for migration, _ in plan:
+            self.unapply_migration(states[migration], migration, fake=fake)
+            applied_migrations.remove(migration)
+
+        # Generate the post migration state by starting from the state before
+        # the last migration is unapplied and mutating it to include all the
+        # remaining applied migrations.
+        last_unapplied_migration = plan[-1][0]
+        state = states[last_unapplied_migration]
+        for index, (migration, _) in enumerate(full_plan):
+            if migration == last_unapplied_migration:
+                for migration, _ in full_plan[index:]:
+                    if migration in applied_migrations:
+                        migration.mutate_state(state, preserve=False)
+                break
+
+        return state
+
+    def apply_migration(self, state, migration, fake=False, fake_initial=False):
+        """Run a migration forwards."""
+        migration_recorded = False
+        if self.progress_callback:
+            self.progress_callback("apply_start", migration, fake)
+        if not fake:
+            if fake_initial:
+                # Test to see if this is an already-applied initial migration
+                applied, state = self.detect_soft_applied(state, migration)
+                if applied:
+                    fake = True
+            if not fake:
+                # Alright, do it normally
+                with self.connection.schema_editor(
+                    atomic=migration.atomic
+                ) as schema_editor:
+                    state = migration.apply(state, schema_editor)
+                    if not schema_editor.deferred_sql:
+                        self.record_migration(migration)
+                        migration_recorded = True
+        if not migration_recorded:
+            self.record_migration(migration)
+        # Report progress
+        if self.progress_callback:
+            self.progress_callback("apply_success", migration, fake)
+        return state
+
+    def record_migration(self, migration):
+        # For replacement migrations, record individual statuses
+        if migration.replaces:
+            for app_label, name in migration.replaces:
+                self.recorder.record_applied(app_label, name)
+        else:
+            self.recorder.record_applied(migration.app_label, migration.name)
+
+    def unapply_migration(self, state, migration, fake=False):
+        """Run a migration backwards."""
+        if self.progress_callback:
+            self.progress_callback("unapply_start", migration, fake)
+        if not fake:
+            with self.connection.schema_editor(
+                atomic=migration.atomic
+            ) as schema_editor:
+                state = migration.unapply(state, schema_editor)
+        # For replacement migrations, also record individual statuses.
+        if migration.replaces:
+            for app_label, name in migration.replaces:
+                self.recorder.record_unapplied(app_label, name)
+        self.recorder.record_unapplied(migration.app_label, migration.name)
+        # Report progress
+        if self.progress_callback:
+            self.progress_callback("unapply_success", migration, fake)
+        return state
+
+    def check_replacements(self):
+        """
+        Mark replacement migrations applied if their replaced set all are.
+
+        Do this unconditionally on every migrate, rather than just when
+        migrations are applied or unapplied, to correctly handle the case
+        when a new squash migration is pushed to a deployment that already had
+        all its replaced migrations applied. In this case no new migration will
+        be applied, but the applied state of the squashed migration must be
+        maintained.
+        """
+        applied = self.recorder.applied_migrations()
+        for key, migration in self.loader.replacements.items():
+            all_applied = all(m in applied for m in migration.replaces)
+            if all_applied and key not in applied:
+                self.recorder.record_applied(*key)
+
+    def detect_soft_applied(self, project_state, migration):
+        """
+        Test whether a migration has been implicitly applied - that the
+        tables or columns it would create exist. This is intended only for use
+        on initial migrations (as it only looks for CreateModel and AddField).
+        """
+
+        def should_skip_detecting_model(migration, model):
+            """
+            No need to detect tables for proxy models, unmanaged models, or
+            models that can't be migrated on the current database.
+            """
+            return (
+                model._meta.proxy
+                or not model._meta.managed
+                or not router.allow_migrate(
+                    self.connection.alias,
+                    migration.app_label,
+                    model_name=model._meta.model_name,
+                )
+            )
+
+        if migration.initial is None:
+            # Bail if the migration isn't the first one in its app
+            if any(app == migration.app_label for app, name in migration.dependencies):
+                return False, project_state
+        elif migration.initial is False:
+            # Bail if it's NOT an initial migration
+            return False, project_state
+
+        if project_state is None:
+            after_state = self.loader.project_state(
+                (migration.app_label, migration.name), at_end=True
+            )
+        else:
+            after_state = migration.mutate_state(project_state)
+        apps = after_state.apps
+        found_create_model_migration = False
+        found_add_field_migration = False
+        fold_identifier_case = self.connection.features.ignores_table_name_case
+        with self.connection.cursor() as cursor:
+            existing_table_names = set(
+                self.connection.introspection.table_names(cursor)
+            )
+            if fold_identifier_case:
+                existing_table_names = {
+                    name.casefold() for name in existing_table_names
+                }
+        # Make sure all create model and add field operations are done
+        for operation in migration.operations:
+            if isinstance(operation, migrations.CreateModel):
+                model = apps.get_model(migration.app_label, operation.name)
+                if model._meta.swapped:
+                    # We have to fetch the model to test with from the
+                    # main app cache, as it's not a direct dependency.
+                    model = global_apps.get_model(model._meta.swapped)
+                if should_skip_detecting_model(migration, model):
+                    continue
+                db_table = model._meta.db_table
+                if fold_identifier_case:
+                    db_table = db_table.casefold()
+                if db_table not in existing_table_names:
+                    return False, project_state
+                found_create_model_migration = True
+            elif isinstance(operation, migrations.AddField):
+                model = apps.get_model(migration.app_label, operation.model_name)
+                if model._meta.swapped:
+                    # We have to fetch the model to test with from the
+                    # main app cache, as it's not a direct dependency.
+                    model = global_apps.get_model(model._meta.swapped)
+                if should_skip_detecting_model(migration, model):
+                    continue
+
+                table = model._meta.db_table
+                field = model._meta.get_field(operation.name)
+
+                # Handle implicit many-to-many tables created by AddField.
+                if field.many_to_many:
+                    through_db_table = field.remote_field.through._meta.db_table
+                    if fold_identifier_case:
+                        through_db_table = through_db_table.casefold()
+                    if through_db_table not in existing_table_names:
+                        return False, project_state
+                    else:
+                        found_add_field_migration = True
+                        continue
+                with self.connection.cursor() as cursor:
+                    columns = self.connection.introspection.get_table_description(
+                        cursor, table
+                    )
+                for column in columns:
+                    field_column = field.column
+                    column_name = column.name
+                    if fold_identifier_case:
+                        column_name = column_name.casefold()
+                        field_column = field_column.casefold()
+                    if column_name == field_column:
+                        found_add_field_migration = True
+                        break
+                else:
+                    return False, project_state
+        # If we get this far and we found at least one CreateModel or AddField
+        # migration, the migration is considered implicitly applied.
+        return (found_create_model_migration or found_add_field_migration), after_state
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/graph.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/graph.py
new file mode 100644
index 00000000..dd845c13
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/graph.py
@@ -0,0 +1,333 @@
+from functools import total_ordering
+
+from django.db.migrations.state import ProjectState
+
+from .exceptions import CircularDependencyError, NodeNotFoundError
+
+
+@total_ordering
+class Node:
+    """
+    A single node in the migration graph. Contains direct links to adjacent
+    nodes in either direction.
+    """
+
+    def __init__(self, key):
+        self.key = key
+        self.children = set()
+        self.parents = set()
+
+    def __eq__(self, other):
+        return self.key == other
+
+    def __lt__(self, other):
+        return self.key < other
+
+    def __hash__(self):
+        return hash(self.key)
+
+    def __getitem__(self, item):
+        return self.key[item]
+
+    def __str__(self):
+        return str(self.key)
+
+    def __repr__(self):
+        return "<%s: (%r, %r)>" % (self.__class__.__name__, self.key[0], self.key[1])
+
+    def add_child(self, child):
+        self.children.add(child)
+
+    def add_parent(self, parent):
+        self.parents.add(parent)
+
+
+class DummyNode(Node):
+    """
+    A node that doesn't correspond to a migration file on disk.
+    (A squashed migration that was removed, for example.)
+
+    After the migration graph is processed, all dummy nodes should be removed.
+    If there are any left, a nonexistent dependency error is raised.
+    """
+
+    def __init__(self, key, origin, error_message):
+        super().__init__(key)
+        self.origin = origin
+        self.error_message = error_message
+
+    def raise_error(self):
+        raise NodeNotFoundError(self.error_message, self.key, origin=self.origin)
+
+
+class MigrationGraph:
+    """
+    Represent the digraph of all migrations in a project.
+
+    Each migration is a node, and each dependency is an edge. There are
+    no implicit dependencies between numbered migrations - the numbering is
+    merely a convention to aid file listing. Every new numbered migration
+    has a declared dependency to the previous number, meaning that VCS
+    branch merges can be detected and resolved.
+
+    Migrations files can be marked as replacing another set of migrations -
+    this is to support the "squash" feature. The graph handler isn't responsible
+    for these; instead, the code to load them in here should examine the
+    migration files and if the replaced migrations are all either unapplied
+    or not present, it should ignore the replaced ones, load in just the
+    replacing migration, and repoint any dependencies that pointed to the
+    replaced migrations to point to the replacing one.
+
+    A node should be a tuple: (app_path, migration_name). The tree special-cases
+    things within an app - namely, root nodes and leaf nodes ignore dependencies
+    to other apps.
+    """
+
+    def __init__(self):
+        self.node_map = {}
+        self.nodes = {}
+
+    def add_node(self, key, migration):
+        assert key not in self.node_map
+        node = Node(key)
+        self.node_map[key] = node
+        self.nodes[key] = migration
+
+    def add_dummy_node(self, key, origin, error_message):
+        node = DummyNode(key, origin, error_message)
+        self.node_map[key] = node
+        self.nodes[key] = None
+
+    def add_dependency(self, migration, child, parent, skip_validation=False):
+        """
+        This may create dummy nodes if they don't yet exist. If
+        `skip_validation=True`, validate_consistency() should be called
+        afterward.
+        """
+        if child not in self.nodes:
+            error_message = (
+                "Migration %s dependencies reference nonexistent"
+                " child node %r" % (migration, child)
+            )
+            self.add_dummy_node(child, migration, error_message)
+        if parent not in self.nodes:
+            error_message = (
+                "Migration %s dependencies reference nonexistent"
+                " parent node %r" % (migration, parent)
+            )
+            self.add_dummy_node(parent, migration, error_message)
+        self.node_map[child].add_parent(self.node_map[parent])
+        self.node_map[parent].add_child(self.node_map[child])
+        if not skip_validation:
+            self.validate_consistency()
+
+    def remove_replaced_nodes(self, replacement, replaced):
+        """
+        Remove each of the `replaced` nodes (when they exist). Any
+        dependencies that were referencing them are changed to reference the
+        `replacement` node instead.
+        """
+        # Cast list of replaced keys to set to speed up lookup later.
+        replaced = set(replaced)
+        try:
+            replacement_node = self.node_map[replacement]
+        except KeyError as err:
+            raise NodeNotFoundError(
+                "Unable to find replacement node %r. It was either never added"
+                " to the migration graph, or has been removed." % (replacement,),
+                replacement,
+            ) from err
+        for replaced_key in replaced:
+            self.nodes.pop(replaced_key, None)
+            replaced_node = self.node_map.pop(replaced_key, None)
+            if replaced_node:
+                for child in replaced_node.children:
+                    child.parents.remove(replaced_node)
+                    # We don't want to create dependencies between the replaced
+                    # node and the replacement node as this would lead to
+                    # self-referencing on the replacement node at a later iteration.
+                    if child.key not in replaced:
+                        replacement_node.add_child(child)
+                        child.add_parent(replacement_node)
+                for parent in replaced_node.parents:
+                    parent.children.remove(replaced_node)
+                    # Again, to avoid self-referencing.
+                    if parent.key not in replaced:
+                        replacement_node.add_parent(parent)
+                        parent.add_child(replacement_node)
+
+    def remove_replacement_node(self, replacement, replaced):
+        """
+        The inverse operation to `remove_replaced_nodes`. Almost. Remove the
+        replacement node `replacement` and remap its child nodes to `replaced`
+        - the list of nodes it would have replaced. Don't remap its parent
+        nodes as they are expected to be correct already.
+        """
+        self.nodes.pop(replacement, None)
+        try:
+            replacement_node = self.node_map.pop(replacement)
+        except KeyError as err:
+            raise NodeNotFoundError(
+                "Unable to remove replacement node %r. It was either never added"
+                " to the migration graph, or has been removed already."
+                % (replacement,),
+                replacement,
+            ) from err
+        replaced_nodes = set()
+        replaced_nodes_parents = set()
+        for key in replaced:
+            replaced_node = self.node_map.get(key)
+            if replaced_node:
+                replaced_nodes.add(replaced_node)
+                replaced_nodes_parents |= replaced_node.parents
+        # We're only interested in the latest replaced node, so filter out
+        # replaced nodes that are parents of other replaced nodes.
+        replaced_nodes -= replaced_nodes_parents
+        for child in replacement_node.children:
+            child.parents.remove(replacement_node)
+            for replaced_node in replaced_nodes:
+                replaced_node.add_child(child)
+                child.add_parent(replaced_node)
+        for parent in replacement_node.parents:
+            parent.children.remove(replacement_node)
+            # NOTE: There is no need to remap parent dependencies as we can
+            # assume the replaced nodes already have the correct ancestry.
+
+    def validate_consistency(self):
+        """Ensure there are no dummy nodes remaining in the graph."""
+        [n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
+
+    def forwards_plan(self, target):
+        """
+        Given a node, return a list of which previous nodes (dependencies) must
+        be applied, ending with the node itself. This is the list you would
+        follow if applying the migrations to a database.
+        """
+        if target not in self.nodes:
+            raise NodeNotFoundError("Node %r not a valid node" % (target,), target)
+        return self.iterative_dfs(self.node_map[target])
+
+    def backwards_plan(self, target):
+        """
+        Given a node, return a list of which dependent nodes (dependencies)
+        must be unapplied, ending with the node itself. This is the list you
+        would follow if removing the migrations from a database.
+        """
+        if target not in self.nodes:
+            raise NodeNotFoundError("Node %r not a valid node" % (target,), target)
+        return self.iterative_dfs(self.node_map[target], forwards=False)
+
+    def iterative_dfs(self, start, forwards=True):
+        """Iterative depth-first search for finding dependencies."""
+        visited = []
+        visited_set = set()
+        stack = [(start, False)]
+        while stack:
+            node, processed = stack.pop()
+            if node in visited_set:
+                pass
+            elif processed:
+                visited_set.add(node)
+                visited.append(node.key)
+            else:
+                stack.append((node, True))
+                stack += [
+                    (n, False)
+                    for n in sorted(node.parents if forwards else node.children)
+                ]
+        return visited
+
+    def root_nodes(self, app=None):
+        """
+        Return all root nodes - that is, nodes with no dependencies inside
+        their app. These are the starting point for an app.
+        """
+        roots = set()
+        for node in self.nodes:
+            if all(key[0] != node[0] for key in self.node_map[node].parents) and (
+                not app or app == node[0]
+            ):
+                roots.add(node)
+        return sorted(roots)
+
+    def leaf_nodes(self, app=None):
+        """
+        Return all leaf nodes - that is, nodes with no dependents in their app.
+        These are the "most current" version of an app's schema.
+        Having more than one per app is technically an error, but one that
+        gets handled further up, in the interactive command - it's usually the
+        result of a VCS merge and needs some user input.
+        """
+        leaves = set()
+        for node in self.nodes:
+            if all(key[0] != node[0] for key in self.node_map[node].children) and (
+                not app or app == node[0]
+            ):
+                leaves.add(node)
+        return sorted(leaves)
+
+    def ensure_not_cyclic(self):
+        # Algo from GvR:
+        # https://neopythonic.blogspot.com/2009/01/detecting-cycles-in-directed-graph.html
+        todo = set(self.nodes)
+        while todo:
+            node = todo.pop()
+            stack = [node]
+            while stack:
+                top = stack[-1]
+                for child in self.node_map[top].children:
+                    # Use child.key instead of child to speed up the frequent
+                    # hashing.
+                    node = child.key
+                    if node in stack:
+                        cycle = stack[stack.index(node) :]
+                        raise CircularDependencyError(
+                            ", ".join("%s.%s" % n for n in cycle)
+                        )
+                    if node in todo:
+                        stack.append(node)
+                        todo.remove(node)
+                        break
+                else:
+                    node = stack.pop()
+
+    def __str__(self):
+        return "Graph: %s nodes, %s edges" % self._nodes_and_edges()
+
+    def __repr__(self):
+        nodes, edges = self._nodes_and_edges()
+        return "<%s: nodes=%s, edges=%s>" % (self.__class__.__name__, nodes, edges)
+
+    def _nodes_and_edges(self):
+        return len(self.nodes), sum(
+            len(node.parents) for node in self.node_map.values()
+        )
+
+    def _generate_plan(self, nodes, at_end):
+        plan = []
+        for node in nodes:
+            for migration in self.forwards_plan(node):
+                if migration not in plan and (at_end or migration not in nodes):
+                    plan.append(migration)
+        return plan
+
+    def make_state(self, nodes=None, at_end=True, real_apps=None):
+        """
+        Given a migration node or nodes, return a complete ProjectState for it.
+        If at_end is False, return the state before the migration has run.
+        If nodes is not provided, return the overall most current project state.
+        """
+        if nodes is None:
+            nodes = list(self.leaf_nodes())
+        if not nodes:
+            return ProjectState()
+        if not isinstance(nodes[0], tuple):
+            nodes = [nodes]
+        plan = self._generate_plan(nodes, at_end)
+        project_state = ProjectState(real_apps=real_apps)
+        for node in plan:
+            project_state = self.nodes[node].mutate_state(project_state, preserve=False)
+        return project_state
+
+    def __contains__(self, node):
+        return node in self.nodes
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/loader.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/loader.py
new file mode 100644
index 00000000..50445f31
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/loader.py
@@ -0,0 +1,385 @@
+import pkgutil
+import sys
+from importlib import import_module, reload
+
+from django.apps import apps
+from django.conf import settings
+from django.db.migrations.graph import MigrationGraph
+from django.db.migrations.recorder import MigrationRecorder
+
+from .exceptions import (
+    AmbiguityError,
+    BadMigrationError,
+    InconsistentMigrationHistory,
+    NodeNotFoundError,
+)
+
+MIGRATIONS_MODULE_NAME = "migrations"
+
+
+class MigrationLoader:
+    """
+    Load migration files from disk and their status from the database.
+
+    Migration files are expected to live in the "migrations" directory of
+    an app. Their names are entirely unimportant from a code perspective,
+    but will probably follow the 1234_name.py convention.
+
+    On initialization, this class will scan those directories, and open and
+    read the Python files, looking for a class called Migration, which should
+    inherit from django.db.migrations.Migration. See
+    django.db.migrations.migration for what that looks like.
+
+    Some migrations will be marked as "replacing" another set of migrations.
+    These are loaded into a separate set of migrations away from the main ones.
+    If all the migrations they replace are either unapplied or missing from
+    disk, then they are injected into the main set, replacing the named migrations.
+    Any dependency pointers to the replaced migrations are re-pointed to the
+    new migration.
+
+    This does mean that this class MUST also talk to the database as well as
+    to disk, but this is probably fine. We're already not just operating
+    in memory.
+    """
+
+    def __init__(
+        self,
+        connection,
+        load=True,
+        ignore_no_migrations=False,
+        replace_migrations=True,
+    ):
+        self.connection = connection
+        self.disk_migrations = None
+        self.applied_migrations = None
+        self.ignore_no_migrations = ignore_no_migrations
+        self.replace_migrations = replace_migrations
+        if load:
+            self.build_graph()
+
+    @classmethod
+    def migrations_module(cls, app_label):
+        """
+        Return the path to the migrations module for the specified app_label
+        and a boolean indicating if the module is specified in
+        settings.MIGRATION_MODULE.
+        """
+        if app_label in settings.MIGRATION_MODULES:
+            return settings.MIGRATION_MODULES[app_label], True
+        else:
+            app_package_name = apps.get_app_config(app_label).name
+            return "%s.%s" % (app_package_name, MIGRATIONS_MODULE_NAME), False
+
+    def load_disk(self):
+        """Load the migrations from all INSTALLED_APPS from disk."""
+        self.disk_migrations = {}
+        self.unmigrated_apps = set()
+        self.migrated_apps = set()
+        for app_config in apps.get_app_configs():
+            # Get the migrations module directory
+            module_name, explicit = self.migrations_module(app_config.label)
+            if module_name is None:
+                self.unmigrated_apps.add(app_config.label)
+                continue
+            was_loaded = module_name in sys.modules
+            try:
+                module = import_module(module_name)
+            except ModuleNotFoundError as e:
+                if (explicit and self.ignore_no_migrations) or (
+                    not explicit and MIGRATIONS_MODULE_NAME in e.name.split(".")
+                ):
+                    self.unmigrated_apps.add(app_config.label)
+                    continue
+                raise
+            else:
+                # Module is not a package (e.g. migrations.py).
+                if not hasattr(module, "__path__"):
+                    self.unmigrated_apps.add(app_config.label)
+                    continue
+                # Empty directories are namespaces. Namespace packages have no
+                # __file__ and don't use a list for __path__. See
+                # https://docs.python.org/3/reference/import.html#namespace-packages
+                if getattr(module, "__file__", None) is None and not isinstance(
+                    module.__path__, list
+                ):
+                    self.unmigrated_apps.add(app_config.label)
+                    continue
+                # Force a reload if it's already loaded (tests need this)
+                if was_loaded:
+                    reload(module)
+            self.migrated_apps.add(app_config.label)
+            migration_names = {
+                name
+                for _, name, is_pkg in pkgutil.iter_modules(module.__path__)
+                if not is_pkg and name[0] not in "_~"
+            }
+            # Load migrations
+            for migration_name in migration_names:
+                migration_path = "%s.%s" % (module_name, migration_name)
+                try:
+                    migration_module = import_module(migration_path)
+                except ImportError as e:
+                    if "bad magic number" in str(e):
+                        raise ImportError(
+                            "Couldn't import %r as it appears to be a stale "
+                            ".pyc file." % migration_path
+                        ) from e
+                    else:
+                        raise
+                if not hasattr(migration_module, "Migration"):
+                    raise BadMigrationError(
+                        "Migration %s in app %s has no Migration class"
+                        % (migration_name, app_config.label)
+                    )
+                self.disk_migrations[app_config.label, migration_name] = (
+                    migration_module.Migration(
+                        migration_name,
+                        app_config.label,
+                    )
+                )
+
+    def get_migration(self, app_label, name_prefix):
+        """Return the named migration or raise NodeNotFoundError."""
+        return self.graph.nodes[app_label, name_prefix]
+
+    def get_migration_by_prefix(self, app_label, name_prefix):
+        """
+        Return the migration(s) which match the given app label and name_prefix.
+        """
+        # Do the search
+        results = []
+        for migration_app_label, migration_name in self.disk_migrations:
+            if migration_app_label == app_label and migration_name.startswith(
+                name_prefix
+            ):
+                results.append((migration_app_label, migration_name))
+        if len(results) > 1:
+            raise AmbiguityError(
+                "There is more than one migration for '%s' with the prefix '%s'"
+                % (app_label, name_prefix)
+            )
+        elif not results:
+            raise KeyError(
+                f"There is no migration for '{app_label}' with the prefix "
+                f"'{name_prefix}'"
+            )
+        else:
+            return self.disk_migrations[results[0]]
+
+    def check_key(self, key, current_app):
+        if (key[1] != "__first__" and key[1] != "__latest__") or key in self.graph:
+            return key
+        # Special-case __first__, which means "the first migration" for
+        # migrated apps, and is ignored for unmigrated apps. It allows
+        # makemigrations to declare dependencies on apps before they even have
+        # migrations.
+        if key[0] == current_app:
+            # Ignore __first__ references to the same app (#22325)
+            return
+        if key[0] in self.unmigrated_apps:
+            # This app isn't migrated, but something depends on it.
+            # The models will get auto-added into the state, though
+            # so we're fine.
+            return
+        if key[0] in self.migrated_apps:
+            try:
+                if key[1] == "__first__":
+                    return self.graph.root_nodes(key[0])[0]
+                else:  # "__latest__"
+                    return self.graph.leaf_nodes(key[0])[0]
+            except IndexError:
+                if self.ignore_no_migrations:
+                    return None
+                else:
+                    raise ValueError(
+                        "Dependency on app with no migrations: %s" % key[0]
+                    )
+        raise ValueError("Dependency on unknown app: %s" % key[0])
+
+    def add_internal_dependencies(self, key, migration):
+        """
+        Internal dependencies need to be added first to ensure `__first__`
+        dependencies find the correct root node.
+        """
+        for parent in migration.dependencies:
+            # Ignore __first__ references to the same app.
+            if parent[0] == key[0] and parent[1] != "__first__":
+                self.graph.add_dependency(migration, key, parent, skip_validation=True)
+
+    def add_external_dependencies(self, key, migration):
+        for parent in migration.dependencies:
+            # Skip internal dependencies
+            if key[0] == parent[0]:
+                continue
+            parent = self.check_key(parent, key[0])
+            if parent is not None:
+                self.graph.add_dependency(migration, key, parent, skip_validation=True)
+        for child in migration.run_before:
+            child = self.check_key(child, key[0])
+            if child is not None:
+                self.graph.add_dependency(migration, child, key, skip_validation=True)
+
+    def build_graph(self):
+        """
+        Build a migration dependency graph using both the disk and database.
+        You'll need to rebuild the graph if you apply migrations. This isn't
+        usually a problem as generally migration stuff runs in a one-shot process.
+        """
+        # Load disk data
+        self.load_disk()
+        # Load database data
+        if self.connection is None:
+            self.applied_migrations = {}
+        else:
+            recorder = MigrationRecorder(self.connection)
+            self.applied_migrations = recorder.applied_migrations()
+        # To start, populate the migration graph with nodes for ALL migrations
+        # and their dependencies. Also make note of replacing migrations at this step.
+        self.graph = MigrationGraph()
+        self.replacements = {}
+        for key, migration in self.disk_migrations.items():
+            self.graph.add_node(key, migration)
+            # Replacing migrations.
+            if migration.replaces:
+                self.replacements[key] = migration
+        for key, migration in self.disk_migrations.items():
+            # Internal (same app) dependencies.
+            self.add_internal_dependencies(key, migration)
+        # Add external dependencies now that the internal ones have been resolved.
+        for key, migration in self.disk_migrations.items():
+            self.add_external_dependencies(key, migration)
+        # Carry out replacements where possible and if enabled.
+        if self.replace_migrations:
+            for key, migration in self.replacements.items():
+                # Get applied status of each of this migration's replacement
+                # targets.
+                applied_statuses = [
+                    (target in self.applied_migrations) for target in migration.replaces
+                ]
+                # The replacing migration is only marked as applied if all of
+                # its replacement targets are.
+                if all(applied_statuses):
+                    self.applied_migrations[key] = migration
+                else:
+                    self.applied_migrations.pop(key, None)
+                # A replacing migration can be used if either all or none of
+                # its replacement targets have been applied.
+                if all(applied_statuses) or (not any(applied_statuses)):
+                    self.graph.remove_replaced_nodes(key, migration.replaces)
+                else:
+                    # This replacing migration cannot be used because it is
+                    # partially applied. Remove it from the graph and remap
+                    # dependencies to it (#25945).
+                    self.graph.remove_replacement_node(key, migration.replaces)
+        # Ensure the graph is consistent.
+        try:
+            self.graph.validate_consistency()
+        except NodeNotFoundError as exc:
+            # Check if the missing node could have been replaced by any squash
+            # migration but wasn't because the squash migration was partially
+            # applied before. In that case raise a more understandable exception
+            # (#23556).
+            # Get reverse replacements.
+            reverse_replacements = {}
+            for key, migration in self.replacements.items():
+                for replaced in migration.replaces:
+                    reverse_replacements.setdefault(replaced, set()).add(key)
+            # Try to reraise exception with more detail.
+            if exc.node in reverse_replacements:
+                candidates = reverse_replacements.get(exc.node, set())
+                is_replaced = any(
+                    candidate in self.graph.nodes for candidate in candidates
+                )
+                if not is_replaced:
+                    tries = ", ".join("%s.%s" % c for c in candidates)
+                    raise NodeNotFoundError(
+                        "Migration {0} depends on nonexistent node ('{1}', '{2}'). "
+                        "Django tried to replace migration {1}.{2} with any of [{3}] "
+                        "but wasn't able to because some of the replaced migrations "
+                        "are already applied.".format(
+                            exc.origin, exc.node[0], exc.node[1], tries
+                        ),
+                        exc.node,
+                    ) from exc
+            raise
+        self.graph.ensure_not_cyclic()
+
+    def check_consistent_history(self, connection):
+        """
+        Raise InconsistentMigrationHistory if any applied migrations have
+        unapplied dependencies.
+        """
+        recorder = MigrationRecorder(connection)
+        applied = recorder.applied_migrations()
+        for migration in applied:
+            # If the migration is unknown, skip it.
+            if migration not in self.graph.nodes:
+                continue
+            for parent in self.graph.node_map[migration].parents:
+                if parent not in applied:
+                    # Skip unapplied squashed migrations that have all of their
+                    # `replaces` applied.
+                    if parent in self.replacements:
+                        if all(
+                            m in applied for m in self.replacements[parent].replaces
+                        ):
+                            continue
+                    raise InconsistentMigrationHistory(
+                        "Migration {}.{} is applied before its dependency "
+                        "{}.{} on database '{}'.".format(
+                            migration[0],
+                            migration[1],
+                            parent[0],
+                            parent[1],
+                            connection.alias,
+                        )
+                    )
+
+    def detect_conflicts(self):
+        """
+        Look through the loaded graph and detect any conflicts - apps
+        with more than one leaf migration. Return a dict of the app labels
+        that conflict with the migration names that conflict.
+        """
+        seen_apps = {}
+        conflicting_apps = set()
+        for app_label, migration_name in self.graph.leaf_nodes():
+            if app_label in seen_apps:
+                conflicting_apps.add(app_label)
+            seen_apps.setdefault(app_label, set()).add(migration_name)
+        return {
+            app_label: sorted(seen_apps[app_label]) for app_label in conflicting_apps
+        }
+
+    def project_state(self, nodes=None, at_end=True):
+        """
+        Return a ProjectState object representing the most recent state
+        that the loaded migrations represent.
+
+        See graph.make_state() for the meaning of "nodes" and "at_end".
+        """
+        return self.graph.make_state(
+            nodes=nodes, at_end=at_end, real_apps=self.unmigrated_apps
+        )
+
+    def collect_sql(self, plan):
+        """
+        Take a migration plan and return a list of collected SQL statements
+        that represent the best-efforts version of that plan.
+        """
+        statements = []
+        state = None
+        for migration, backwards in plan:
+            with self.connection.schema_editor(
+                collect_sql=True, atomic=migration.atomic
+            ) as schema_editor:
+                if state is None:
+                    state = self.project_state(
+                        (migration.app_label, migration.name), at_end=False
+                    )
+                if not backwards:
+                    state = migration.apply(state, schema_editor, collect_sql=True)
+                else:
+                    state = migration.unapply(state, schema_editor, collect_sql=True)
+            statements.extend(schema_editor.collected_sql)
+        return statements
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/migration.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/migration.py
new file mode 100644
index 00000000..3c7713c5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/migration.py
@@ -0,0 +1,239 @@
+import re
+
+from django.db.migrations.utils import get_migration_name_timestamp
+from django.db.transaction import atomic
+
+from .exceptions import IrreversibleError
+
+
+class Migration:
+    """
+    The base class for all migrations.
+
+    Migration files will import this from django.db.migrations.Migration
+    and subclass it as a class called Migration. It will have one or more
+    of the following attributes:
+
+     - operations: A list of Operation instances, probably from
+       django.db.migrations.operations
+     - dependencies: A list of tuples of (app_path, migration_name)
+     - run_before: A list of tuples of (app_path, migration_name)
+     - replaces: A list of migration_names
+
+    Note that all migrations come out of migrations and into the Loader or
+    Graph as instances, having been initialized with their app label and name.
+    """
+
+    # Operations to apply during this migration, in order.
+    operations = []
+
+    # Other migrations that should be run before this migration.
+    # Should be a list of (app, migration_name).
+    dependencies = []
+
+    # Other migrations that should be run after this one (i.e. have
+    # this migration added to their dependencies). Useful to make third-party
+    # apps' migrations run after your AUTH_USER replacement, for example.
+    run_before = []
+
+    # Migration names in this app that this migration replaces. If this is
+    # non-empty, this migration will only be applied if all these migrations
+    # are not applied.
+    replaces = []
+
+    # Is this an initial migration? Initial migrations are skipped on
+    # --fake-initial if the table or fields already exist. If None, check if
+    # the migration has any dependencies to determine if there are dependencies
+    # to tell if db introspection needs to be done. If True, always perform
+    # introspection. If False, never perform introspection.
+    initial = None
+
+    # Whether to wrap the whole migration in a transaction. Only has an effect
+    # on database backends which support transactional DDL.
+    atomic = True
+
+    def __init__(self, name, app_label):
+        self.name = name
+        self.app_label = app_label
+        # Copy dependencies & other attrs as we might mutate them at runtime
+        self.operations = list(self.__class__.operations)
+        self.dependencies = list(self.__class__.dependencies)
+        self.run_before = list(self.__class__.run_before)
+        self.replaces = list(self.__class__.replaces)
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, Migration)
+            and self.name == other.name
+            and self.app_label == other.app_label
+        )
+
+    def __repr__(self):
+        return "<Migration %s.%s>" % (self.app_label, self.name)
+
+    def __str__(self):
+        return "%s.%s" % (self.app_label, self.name)
+
+    def __hash__(self):
+        return hash("%s.%s" % (self.app_label, self.name))
+
+    def mutate_state(self, project_state, preserve=True):
+        """
+        Take a ProjectState and return a new one with the migration's
+        operations applied to it. Preserve the original object state by
+        default and return a mutated state from a copy.
+        """
+        new_state = project_state
+        if preserve:
+            new_state = project_state.clone()
+
+        for operation in self.operations:
+            operation.state_forwards(self.app_label, new_state)
+        return new_state
+
+    def apply(self, project_state, schema_editor, collect_sql=False):
+        """
+        Take a project_state representing all migrations prior to this one
+        and a schema_editor for a live database and apply the migration
+        in a forwards order.
+
+        Return the resulting project state for efficient reuse by following
+        Migrations.
+        """
+        for operation in self.operations:
+            # If this operation cannot be represented as SQL, place a comment
+            # there instead
+            if collect_sql:
+                schema_editor.collected_sql.append("--")
+                schema_editor.collected_sql.append("-- %s" % operation.describe())
+                schema_editor.collected_sql.append("--")
+                if not operation.reduces_to_sql:
+                    schema_editor.collected_sql.append(
+                        "-- THIS OPERATION CANNOT BE WRITTEN AS SQL"
+                    )
+                    continue
+                collected_sql_before = len(schema_editor.collected_sql)
+            # Save the state before the operation has run
+            old_state = project_state.clone()
+            operation.state_forwards(self.app_label, project_state)
+            # Run the operation
+            atomic_operation = operation.atomic or (
+                self.atomic and operation.atomic is not False
+            )
+            if not schema_editor.atomic_migration and atomic_operation:
+                # Force a transaction on a non-transactional-DDL backend or an
+                # atomic operation inside a non-atomic migration.
+                with atomic(schema_editor.connection.alias):
+                    operation.database_forwards(
+                        self.app_label, schema_editor, old_state, project_state
+                    )
+            else:
+                # Normal behaviour
+                operation.database_forwards(
+                    self.app_label, schema_editor, old_state, project_state
+                )
+            if collect_sql and collected_sql_before == len(schema_editor.collected_sql):
+                schema_editor.collected_sql.append("-- (no-op)")
+        return project_state
+
+    def unapply(self, project_state, schema_editor, collect_sql=False):
+        """
+        Take a project_state representing all migrations prior to this one
+        and a schema_editor for a live database and apply the migration
+        in a reverse order.
+
+        The backwards migration process consists of two phases:
+
+        1. The intermediate states from right before the first until right
+           after the last operation inside this migration are preserved.
+        2. The operations are applied in reverse order using the states
+           recorded in step 1.
+        """
+        # Construct all the intermediate states we need for a reverse migration
+        to_run = []
+        new_state = project_state
+        # Phase 1
+        for operation in self.operations:
+            # If it's irreversible, error out
+            if not operation.reversible:
+                raise IrreversibleError(
+                    "Operation %s in %s is not reversible" % (operation, self)
+                )
+            # Preserve new state from previous run to not tamper the same state
+            # over all operations
+            new_state = new_state.clone()
+            old_state = new_state.clone()
+            operation.state_forwards(self.app_label, new_state)
+            to_run.insert(0, (operation, old_state, new_state))
+
+        # Phase 2
+        for operation, to_state, from_state in to_run:
+            if collect_sql:
+                schema_editor.collected_sql.append("--")
+                schema_editor.collected_sql.append("-- %s" % operation.describe())
+                schema_editor.collected_sql.append("--")
+                if not operation.reduces_to_sql:
+                    schema_editor.collected_sql.append(
+                        "-- THIS OPERATION CANNOT BE WRITTEN AS SQL"
+                    )
+                    continue
+                collected_sql_before = len(schema_editor.collected_sql)
+            atomic_operation = operation.atomic or (
+                self.atomic and operation.atomic is not False
+            )
+            if not schema_editor.atomic_migration and atomic_operation:
+                # Force a transaction on a non-transactional-DDL backend or an
+                # atomic operation inside a non-atomic migration.
+                with atomic(schema_editor.connection.alias):
+                    operation.database_backwards(
+                        self.app_label, schema_editor, from_state, to_state
+                    )
+            else:
+                # Normal behaviour
+                operation.database_backwards(
+                    self.app_label, schema_editor, from_state, to_state
+                )
+            if collect_sql and collected_sql_before == len(schema_editor.collected_sql):
+                schema_editor.collected_sql.append("-- (no-op)")
+        return project_state
+
+    def suggest_name(self):
+        """
+        Suggest a name for the operations this migration might represent. Names
+        are not guaranteed to be unique, but put some effort into the fallback
+        name to avoid VCS conflicts if possible.
+        """
+        if self.initial:
+            return "initial"
+
+        raw_fragments = [op.migration_name_fragment for op in self.operations]
+        fragments = [re.sub(r"\W+", "_", name) for name in raw_fragments if name]
+
+        if not fragments or len(fragments) != len(self.operations):
+            return "auto_%s" % get_migration_name_timestamp()
+
+        name = fragments[0]
+        for fragment in fragments[1:]:
+            new_name = f"{name}_{fragment}"
+            if len(new_name) > 52:
+                name = f"{name}_and_more"
+                break
+            name = new_name
+        return name
+
+
+class SwappableTuple(tuple):
+    """
+    Subclass of tuple so Django can tell this was originally a swappable
+    dependency when it reads the migration file.
+    """
+
+    def __new__(cls, value, setting):
+        self = tuple.__new__(cls, value)
+        self.setting = setting
+        return self
+
+
+def swappable_dependency(value):
+    """Turn a setting value into a dependency."""
+    return SwappableTuple((value.split(".", 1)[0], "__first__"), value)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/__init__.py
new file mode 100644
index 00000000..90dbdf82
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/__init__.py
@@ -0,0 +1,44 @@
+from .fields import AddField, AlterField, RemoveField, RenameField
+from .models import (
+    AddConstraint,
+    AddIndex,
+    AlterIndexTogether,
+    AlterModelManagers,
+    AlterModelOptions,
+    AlterModelTable,
+    AlterModelTableComment,
+    AlterOrderWithRespectTo,
+    AlterUniqueTogether,
+    CreateModel,
+    DeleteModel,
+    RemoveConstraint,
+    RemoveIndex,
+    RenameIndex,
+    RenameModel,
+)
+from .special import RunPython, RunSQL, SeparateDatabaseAndState
+
+__all__ = [
+    "CreateModel",
+    "DeleteModel",
+    "AlterModelTable",
+    "AlterModelTableComment",
+    "AlterUniqueTogether",
+    "RenameModel",
+    "AlterIndexTogether",
+    "AlterModelOptions",
+    "AddIndex",
+    "RemoveIndex",
+    "RenameIndex",
+    "AddField",
+    "RemoveField",
+    "AlterField",
+    "RenameField",
+    "AddConstraint",
+    "RemoveConstraint",
+    "SeparateDatabaseAndState",
+    "RunSQL",
+    "RunPython",
+    "AlterOrderWithRespectTo",
+    "AlterModelManagers",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/base.py
new file mode 100644
index 00000000..7d4dff25
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/base.py
@@ -0,0 +1,146 @@
+from django.db import router
+
+
+class Operation:
+    """
+    Base class for migration operations.
+
+    It's responsible for both mutating the in-memory model state
+    (see db/migrations/state.py) to represent what it performs, as well
+    as actually performing it against a live database.
+
+    Note that some operations won't modify memory state at all (e.g. data
+    copying operations), and some will need their modifications to be
+    optionally specified by the user (e.g. custom Python code snippets)
+
+    Due to the way this class deals with deconstruction, it should be
+    considered immutable.
+    """
+
+    # If this migration can be run in reverse.
+    # Some operations are impossible to reverse, like deleting data.
+    reversible = True
+
+    # Can this migration be represented as SQL? (things like RunPython cannot)
+    reduces_to_sql = True
+
+    # Should this operation be forced as atomic even on backends with no
+    # DDL transaction support (i.e., does it have no DDL, like RunPython)
+    atomic = False
+
+    # Should this operation be considered safe to elide and optimize across?
+    elidable = False
+
+    serialization_expand_args = []
+
+    def __new__(cls, *args, **kwargs):
+        # We capture the arguments to make returning them trivial
+        self = object.__new__(cls)
+        self._constructor_args = (args, kwargs)
+        return self
+
+    def deconstruct(self):
+        """
+        Return a 3-tuple of class import path (or just name if it lives
+        under django.db.migrations), positional arguments, and keyword
+        arguments.
+        """
+        return (
+            self.__class__.__name__,
+            self._constructor_args[0],
+            self._constructor_args[1],
+        )
+
+    def state_forwards(self, app_label, state):
+        """
+        Take the state from the previous migration, and mutate it
+        so that it matches what this migration would perform.
+        """
+        raise NotImplementedError(
+            "subclasses of Operation must provide a state_forwards() method"
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        """
+        Perform the mutation on the database schema in the normal
+        (forwards) direction.
+        """
+        raise NotImplementedError(
+            "subclasses of Operation must provide a database_forwards() method"
+        )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        """
+        Perform the mutation on the database schema in the reverse
+        direction - e.g. if this were CreateModel, it would in fact
+        drop the model's table.
+        """
+        raise NotImplementedError(
+            "subclasses of Operation must provide a database_backwards() method"
+        )
+
+    def describe(self):
+        """
+        Output a brief summary of what the action does.
+        """
+        return "%s: %s" % (self.__class__.__name__, self._constructor_args)
+
+    @property
+    def migration_name_fragment(self):
+        """
+        A filename part suitable for automatically naming a migration
+        containing this operation, or None if not applicable.
+        """
+        return None
+
+    def references_model(self, name, app_label):
+        """
+        Return True if there is a chance this operation references the given
+        model name (as a string), with an app label for accuracy.
+
+        Used for optimization. If in doubt, return True;
+        returning a false positive will merely make the optimizer a little
+        less efficient, while returning a false negative may result in an
+        unusable optimized migration.
+        """
+        return True
+
+    def references_field(self, model_name, name, app_label):
+        """
+        Return True if there is a chance this operation references the given
+        field name, with an app label for accuracy.
+
+        Used for optimization. If in doubt, return True.
+        """
+        return self.references_model(model_name, app_label)
+
+    def allow_migrate_model(self, connection_alias, model):
+        """
+        Return whether or not a model may be migrated.
+
+        This is a thin wrapper around router.allow_migrate_model() that
+        preemptively rejects any proxy, swapped out, or unmanaged model.
+        """
+        if not model._meta.can_migrate(connection_alias):
+            return False
+
+        return router.allow_migrate_model(connection_alias, model)
+
+    def reduce(self, operation, app_label):
+        """
+        Return either a list of operations the actual operation should be
+        replaced with or a boolean that indicates whether or not the specified
+        operation can be optimized across.
+        """
+        if self.elidable:
+            return [operation]
+        elif operation.elidable:
+            return [self]
+        return False
+
+    def __repr__(self):
+        return "<%s %s%s>" % (
+            self.__class__.__name__,
+            ", ".join(map(repr, self._constructor_args[0])),
+            ",".join(" %s=%r" % x for x in self._constructor_args[1].items()),
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/fields.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/fields.py
new file mode 100644
index 00000000..fc5640be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/fields.py
@@ -0,0 +1,357 @@
+from django.db.migrations.utils import field_references
+from django.db.models import NOT_PROVIDED
+from django.utils.functional import cached_property
+
+from .base import Operation
+
+
+class FieldOperation(Operation):
+    def __init__(self, model_name, name, field=None):
+        self.model_name = model_name
+        self.name = name
+        self.field = field
+
+    @cached_property
+    def model_name_lower(self):
+        return self.model_name.lower()
+
+    @cached_property
+    def name_lower(self):
+        return self.name.lower()
+
+    def is_same_model_operation(self, operation):
+        return self.model_name_lower == operation.model_name_lower
+
+    def is_same_field_operation(self, operation):
+        return (
+            self.is_same_model_operation(operation)
+            and self.name_lower == operation.name_lower
+        )
+
+    def references_model(self, name, app_label):
+        name_lower = name.lower()
+        if name_lower == self.model_name_lower:
+            return True
+        if self.field:
+            return bool(
+                field_references(
+                    (app_label, self.model_name_lower),
+                    self.field,
+                    (app_label, name_lower),
+                )
+            )
+        return False
+
+    def references_field(self, model_name, name, app_label):
+        model_name_lower = model_name.lower()
+        # Check if this operation locally references the field.
+        if model_name_lower == self.model_name_lower:
+            if name == self.name:
+                return True
+            elif (
+                self.field
+                and hasattr(self.field, "from_fields")
+                and name in self.field.from_fields
+            ):
+                return True
+        # Check if this operation remotely references the field.
+        if self.field is None:
+            return False
+        return bool(
+            field_references(
+                (app_label, self.model_name_lower),
+                self.field,
+                (app_label, model_name_lower),
+                name,
+            )
+        )
+
+    def reduce(self, operation, app_label):
+        return super().reduce(operation, app_label) or not operation.references_field(
+            self.model_name, self.name, app_label
+        )
+
+
+class AddField(FieldOperation):
+    """Add a field to a model."""
+
+    def __init__(self, model_name, name, field, preserve_default=True):
+        self.preserve_default = preserve_default
+        super().__init__(model_name, name, field)
+
+    def deconstruct(self):
+        kwargs = {
+            "model_name": self.model_name,
+            "name": self.name,
+            "field": self.field,
+        }
+        if self.preserve_default is not True:
+            kwargs["preserve_default"] = self.preserve_default
+        return (self.__class__.__name__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.add_field(
+            app_label,
+            self.model_name_lower,
+            self.name,
+            self.field,
+            self.preserve_default,
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        to_model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            from_model = from_state.apps.get_model(app_label, self.model_name)
+            field = to_model._meta.get_field(self.name)
+            if not self.preserve_default:
+                field.default = self.field.default
+            schema_editor.add_field(
+                from_model,
+                field,
+            )
+            if not self.preserve_default:
+                field.default = NOT_PROVIDED
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        from_model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, from_model):
+            schema_editor.remove_field(
+                from_model, from_model._meta.get_field(self.name)
+            )
+
+    def describe(self):
+        return "Add field %s to %s" % (self.name, self.model_name)
+
+    @property
+    def migration_name_fragment(self):
+        return "%s_%s" % (self.model_name_lower, self.name_lower)
+
+    def reduce(self, operation, app_label):
+        if isinstance(operation, FieldOperation) and self.is_same_field_operation(
+            operation
+        ):
+            if isinstance(operation, AlterField):
+                return [
+                    AddField(
+                        model_name=self.model_name,
+                        name=operation.name,
+                        field=operation.field,
+                    ),
+                ]
+            elif isinstance(operation, RemoveField):
+                return []
+            elif isinstance(operation, RenameField):
+                return [
+                    AddField(
+                        model_name=self.model_name,
+                        name=operation.new_name,
+                        field=self.field,
+                    ),
+                ]
+        return super().reduce(operation, app_label)
+
+
+class RemoveField(FieldOperation):
+    """Remove a field from a model."""
+
+    def deconstruct(self):
+        kwargs = {
+            "model_name": self.model_name,
+            "name": self.name,
+        }
+        return (self.__class__.__name__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.remove_field(app_label, self.model_name_lower, self.name)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        from_model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, from_model):
+            schema_editor.remove_field(
+                from_model, from_model._meta.get_field(self.name)
+            )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        to_model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            from_model = from_state.apps.get_model(app_label, self.model_name)
+            schema_editor.add_field(from_model, to_model._meta.get_field(self.name))
+
+    def describe(self):
+        return "Remove field %s from %s" % (self.name, self.model_name)
+
+    @property
+    def migration_name_fragment(self):
+        return "remove_%s_%s" % (self.model_name_lower, self.name_lower)
+
+    def reduce(self, operation, app_label):
+        from .models import DeleteModel
+
+        if (
+            isinstance(operation, DeleteModel)
+            and operation.name_lower == self.model_name_lower
+        ):
+            return [operation]
+        return super().reduce(operation, app_label)
+
+
+class AlterField(FieldOperation):
+    """
+    Alter a field's database column (e.g. null, max_length) to the provided
+    new field.
+    """
+
+    def __init__(self, model_name, name, field, preserve_default=True):
+        self.preserve_default = preserve_default
+        super().__init__(model_name, name, field)
+
+    def deconstruct(self):
+        kwargs = {
+            "model_name": self.model_name,
+            "name": self.name,
+            "field": self.field,
+        }
+        if self.preserve_default is not True:
+            kwargs["preserve_default"] = self.preserve_default
+        return (self.__class__.__name__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.alter_field(
+            app_label,
+            self.model_name_lower,
+            self.name,
+            self.field,
+            self.preserve_default,
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        to_model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            from_model = from_state.apps.get_model(app_label, self.model_name)
+            from_field = from_model._meta.get_field(self.name)
+            to_field = to_model._meta.get_field(self.name)
+            if not self.preserve_default:
+                to_field.default = self.field.default
+            schema_editor.alter_field(from_model, from_field, to_field)
+            if not self.preserve_default:
+                to_field.default = NOT_PROVIDED
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        self.database_forwards(app_label, schema_editor, from_state, to_state)
+
+    def describe(self):
+        return "Alter field %s on %s" % (self.name, self.model_name)
+
+    @property
+    def migration_name_fragment(self):
+        return "alter_%s_%s" % (self.model_name_lower, self.name_lower)
+
+    def reduce(self, operation, app_label):
+        if isinstance(
+            operation, (AlterField, RemoveField)
+        ) and self.is_same_field_operation(operation):
+            return [operation]
+        elif (
+            isinstance(operation, RenameField)
+            and self.is_same_field_operation(operation)
+            and self.field.db_column is None
+        ):
+            return [
+                operation,
+                AlterField(
+                    model_name=self.model_name,
+                    name=operation.new_name,
+                    field=self.field,
+                ),
+            ]
+        return super().reduce(operation, app_label)
+
+
+class RenameField(FieldOperation):
+    """Rename a field on the model. Might affect db_column too."""
+
+    def __init__(self, model_name, old_name, new_name):
+        self.old_name = old_name
+        self.new_name = new_name
+        super().__init__(model_name, old_name)
+
+    @cached_property
+    def old_name_lower(self):
+        return self.old_name.lower()
+
+    @cached_property
+    def new_name_lower(self):
+        return self.new_name.lower()
+
+    def deconstruct(self):
+        kwargs = {
+            "model_name": self.model_name,
+            "old_name": self.old_name,
+            "new_name": self.new_name,
+        }
+        return (self.__class__.__name__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.rename_field(
+            app_label, self.model_name_lower, self.old_name, self.new_name
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        to_model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            from_model = from_state.apps.get_model(app_label, self.model_name)
+            schema_editor.alter_field(
+                from_model,
+                from_model._meta.get_field(self.old_name),
+                to_model._meta.get_field(self.new_name),
+            )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        to_model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            from_model = from_state.apps.get_model(app_label, self.model_name)
+            schema_editor.alter_field(
+                from_model,
+                from_model._meta.get_field(self.new_name),
+                to_model._meta.get_field(self.old_name),
+            )
+
+    def describe(self):
+        return "Rename field %s on %s to %s" % (
+            self.old_name,
+            self.model_name,
+            self.new_name,
+        )
+
+    @property
+    def migration_name_fragment(self):
+        return "rename_%s_%s_%s" % (
+            self.old_name_lower,
+            self.model_name_lower,
+            self.new_name_lower,
+        )
+
+    def references_field(self, model_name, name, app_label):
+        return self.references_model(model_name, app_label) and (
+            name.lower() == self.old_name_lower or name.lower() == self.new_name_lower
+        )
+
+    def reduce(self, operation, app_label):
+        if (
+            isinstance(operation, RenameField)
+            and self.is_same_model_operation(operation)
+            and self.new_name_lower == operation.old_name_lower
+        ):
+            return [
+                RenameField(
+                    self.model_name,
+                    self.old_name,
+                    operation.new_name,
+                ),
+            ]
+        # Skip `FieldOperation.reduce` as we want to run `references_field`
+        # against self.old_name and self.new_name.
+        return super(FieldOperation, self).reduce(operation, app_label) or not (
+            operation.references_field(self.model_name, self.old_name, app_label)
+            or operation.references_field(self.model_name, self.new_name, app_label)
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/models.py
new file mode 100644
index 00000000..98d563d2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/models.py
@@ -0,0 +1,1219 @@
+from django.db import models
+from django.db.migrations.operations.base import Operation
+from django.db.migrations.state import ModelState
+from django.db.migrations.utils import field_references, resolve_relation
+from django.db.models.options import normalize_together
+from django.utils.functional import cached_property
+
+from .fields import AddField, AlterField, FieldOperation, RemoveField, RenameField
+
+
+def _check_for_duplicates(arg_name, objs):
+    used_vals = set()
+    for val in objs:
+        if val in used_vals:
+            raise ValueError(
+                "Found duplicate value %s in CreateModel %s argument." % (val, arg_name)
+            )
+        used_vals.add(val)
+
+
+class ModelOperation(Operation):
+    def __init__(self, name):
+        self.name = name
+
+    @cached_property
+    def name_lower(self):
+        return self.name.lower()
+
+    def references_model(self, name, app_label):
+        return name.lower() == self.name_lower
+
+    def reduce(self, operation, app_label):
+        return super().reduce(operation, app_label) or self.can_reduce_through(
+            operation, app_label
+        )
+
+    def can_reduce_through(self, operation, app_label):
+        return not operation.references_model(self.name, app_label)
+
+
+class CreateModel(ModelOperation):
+    """Create a model's table."""
+
+    serialization_expand_args = ["fields", "options", "managers"]
+
+    def __init__(self, name, fields, options=None, bases=None, managers=None):
+        self.fields = fields
+        self.options = options or {}
+        self.bases = bases or (models.Model,)
+        self.managers = managers or []
+        super().__init__(name)
+        # Sanity-check that there are no duplicated field names, bases, or
+        # manager names
+        _check_for_duplicates("fields", (name for name, _ in self.fields))
+        _check_for_duplicates(
+            "bases",
+            (
+                (
+                    base._meta.label_lower
+                    if hasattr(base, "_meta")
+                    else base.lower() if isinstance(base, str) else base
+                )
+                for base in self.bases
+            ),
+        )
+        _check_for_duplicates("managers", (name for name, _ in self.managers))
+
+    def deconstruct(self):
+        kwargs = {
+            "name": self.name,
+            "fields": self.fields,
+        }
+        if self.options:
+            kwargs["options"] = self.options
+        if self.bases and self.bases != (models.Model,):
+            kwargs["bases"] = self.bases
+        if self.managers and self.managers != [("objects", models.Manager())]:
+            kwargs["managers"] = self.managers
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.add_model(
+            ModelState(
+                app_label,
+                self.name,
+                list(self.fields),
+                dict(self.options),
+                tuple(self.bases),
+                list(self.managers),
+            )
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.create_model(model)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        model = from_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.delete_model(model)
+
+    def describe(self):
+        return "Create %smodel %s" % (
+            "proxy " if self.options.get("proxy", False) else "",
+            self.name,
+        )
+
+    @property
+    def migration_name_fragment(self):
+        return self.name_lower
+
+    def references_model(self, name, app_label):
+        name_lower = name.lower()
+        if name_lower == self.name_lower:
+            return True
+
+        # Check we didn't inherit from the model
+        reference_model_tuple = (app_label, name_lower)
+        for base in self.bases:
+            if (
+                base is not models.Model
+                and isinstance(base, (models.base.ModelBase, str))
+                and resolve_relation(base, app_label) == reference_model_tuple
+            ):
+                return True
+
+        # Check we have no FKs/M2Ms with it
+        for _name, field in self.fields:
+            if field_references(
+                (app_label, self.name_lower), field, reference_model_tuple
+            ):
+                return True
+        return False
+
+    def reduce(self, operation, app_label):
+        if (
+            isinstance(operation, DeleteModel)
+            and self.name_lower == operation.name_lower
+            and not self.options.get("proxy", False)
+        ):
+            return []
+        elif (
+            isinstance(operation, RenameModel)
+            and self.name_lower == operation.old_name_lower
+        ):
+            return [
+                CreateModel(
+                    operation.new_name,
+                    fields=self.fields,
+                    options=self.options,
+                    bases=self.bases,
+                    managers=self.managers,
+                ),
+            ]
+        elif (
+            isinstance(operation, AlterModelOptions)
+            and self.name_lower == operation.name_lower
+        ):
+            options = {**self.options, **operation.options}
+            for key in operation.ALTER_OPTION_KEYS:
+                if key not in operation.options:
+                    options.pop(key, None)
+            return [
+                CreateModel(
+                    self.name,
+                    fields=self.fields,
+                    options=options,
+                    bases=self.bases,
+                    managers=self.managers,
+                ),
+            ]
+        elif (
+            isinstance(operation, AlterModelManagers)
+            and self.name_lower == operation.name_lower
+        ):
+            return [
+                CreateModel(
+                    self.name,
+                    fields=self.fields,
+                    options=self.options,
+                    bases=self.bases,
+                    managers=operation.managers,
+                ),
+            ]
+        elif (
+            isinstance(operation, AlterTogetherOptionOperation)
+            and self.name_lower == operation.name_lower
+        ):
+            return [
+                CreateModel(
+                    self.name,
+                    fields=self.fields,
+                    options={
+                        **self.options,
+                        **{operation.option_name: operation.option_value},
+                    },
+                    bases=self.bases,
+                    managers=self.managers,
+                ),
+            ]
+        elif (
+            isinstance(operation, AlterOrderWithRespectTo)
+            and self.name_lower == operation.name_lower
+        ):
+            return [
+                CreateModel(
+                    self.name,
+                    fields=self.fields,
+                    options={
+                        **self.options,
+                        "order_with_respect_to": operation.order_with_respect_to,
+                    },
+                    bases=self.bases,
+                    managers=self.managers,
+                ),
+            ]
+        elif (
+            isinstance(operation, FieldOperation)
+            and self.name_lower == operation.model_name_lower
+        ):
+            if isinstance(operation, AddField):
+                return [
+                    CreateModel(
+                        self.name,
+                        fields=self.fields + [(operation.name, operation.field)],
+                        options=self.options,
+                        bases=self.bases,
+                        managers=self.managers,
+                    ),
+                ]
+            elif isinstance(operation, AlterField):
+                return [
+                    CreateModel(
+                        self.name,
+                        fields=[
+                            (n, operation.field if n == operation.name else v)
+                            for n, v in self.fields
+                        ],
+                        options=self.options,
+                        bases=self.bases,
+                        managers=self.managers,
+                    ),
+                ]
+            elif isinstance(operation, RemoveField):
+                options = self.options.copy()
+                for option_name in ("unique_together", "index_together"):
+                    option = options.pop(option_name, None)
+                    if option:
+                        option = set(
+                            filter(
+                                bool,
+                                (
+                                    tuple(
+                                        f for f in fields if f != operation.name_lower
+                                    )
+                                    for fields in option
+                                ),
+                            )
+                        )
+                        if option:
+                            options[option_name] = option
+                order_with_respect_to = options.get("order_with_respect_to")
+                if order_with_respect_to == operation.name_lower:
+                    del options["order_with_respect_to"]
+                return [
+                    CreateModel(
+                        self.name,
+                        fields=[
+                            (n, v)
+                            for n, v in self.fields
+                            if n.lower() != operation.name_lower
+                        ],
+                        options=options,
+                        bases=self.bases,
+                        managers=self.managers,
+                    ),
+                ]
+            elif isinstance(operation, RenameField):
+                options = self.options.copy()
+                for option_name in ("unique_together", "index_together"):
+                    option = options.get(option_name)
+                    if option:
+                        options[option_name] = {
+                            tuple(
+                                operation.new_name if f == operation.old_name else f
+                                for f in fields
+                            )
+                            for fields in option
+                        }
+                order_with_respect_to = options.get("order_with_respect_to")
+                if order_with_respect_to == operation.old_name:
+                    options["order_with_respect_to"] = operation.new_name
+                return [
+                    CreateModel(
+                        self.name,
+                        fields=[
+                            (operation.new_name if n == operation.old_name else n, v)
+                            for n, v in self.fields
+                        ],
+                        options=options,
+                        bases=self.bases,
+                        managers=self.managers,
+                    ),
+                ]
+        elif (
+            isinstance(operation, IndexOperation)
+            and self.name_lower == operation.model_name_lower
+        ):
+            if isinstance(operation, AddIndex):
+                return [
+                    CreateModel(
+                        self.name,
+                        fields=self.fields,
+                        options={
+                            **self.options,
+                            "indexes": [
+                                *self.options.get("indexes", []),
+                                operation.index,
+                            ],
+                        },
+                        bases=self.bases,
+                        managers=self.managers,
+                    ),
+                ]
+            elif isinstance(operation, RemoveIndex):
+                options_indexes = [
+                    index
+                    for index in self.options.get("indexes", [])
+                    if index.name != operation.name
+                ]
+                return [
+                    CreateModel(
+                        self.name,
+                        fields=self.fields,
+                        options={
+                            **self.options,
+                            "indexes": options_indexes,
+                        },
+                        bases=self.bases,
+                        managers=self.managers,
+                    ),
+                ]
+            elif isinstance(operation, RenameIndex) and operation.old_fields:
+                options_index_together = {
+                    fields
+                    for fields in self.options.get("index_together", [])
+                    if fields != operation.old_fields
+                }
+                if options_index_together:
+                    self.options["index_together"] = options_index_together
+                else:
+                    self.options.pop("index_together", None)
+                return [
+                    CreateModel(
+                        self.name,
+                        fields=self.fields,
+                        options={
+                            **self.options,
+                            "indexes": [
+                                *self.options.get("indexes", []),
+                                models.Index(
+                                    fields=operation.old_fields, name=operation.new_name
+                                ),
+                            ],
+                        },
+                        bases=self.bases,
+                        managers=self.managers,
+                    ),
+                ]
+        return super().reduce(operation, app_label)
+
+
+class DeleteModel(ModelOperation):
+    """Drop a model's table."""
+
+    def deconstruct(self):
+        kwargs = {
+            "name": self.name,
+        }
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.remove_model(app_label, self.name_lower)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = from_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.delete_model(model)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.create_model(model)
+
+    def references_model(self, name, app_label):
+        # The deleted model could be referencing the specified model through
+        # related fields.
+        return True
+
+    def describe(self):
+        return "Delete model %s" % self.name
+
+    @property
+    def migration_name_fragment(self):
+        return "delete_%s" % self.name_lower
+
+
+class RenameModel(ModelOperation):
+    """Rename a model."""
+
+    def __init__(self, old_name, new_name):
+        self.old_name = old_name
+        self.new_name = new_name
+        super().__init__(old_name)
+
+    @cached_property
+    def old_name_lower(self):
+        return self.old_name.lower()
+
+    @cached_property
+    def new_name_lower(self):
+        return self.new_name.lower()
+
+    def deconstruct(self):
+        kwargs = {
+            "old_name": self.old_name,
+            "new_name": self.new_name,
+        }
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.rename_model(app_label, self.old_name, self.new_name)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        new_model = to_state.apps.get_model(app_label, self.new_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, new_model):
+            old_model = from_state.apps.get_model(app_label, self.old_name)
+            # Move the main table
+            schema_editor.alter_db_table(
+                new_model,
+                old_model._meta.db_table,
+                new_model._meta.db_table,
+            )
+            # Alter the fields pointing to us
+            for related_object in old_model._meta.related_objects:
+                if related_object.related_model == old_model:
+                    model = new_model
+                    related_key = (app_label, self.new_name_lower)
+                else:
+                    model = related_object.related_model
+                    related_key = (
+                        related_object.related_model._meta.app_label,
+                        related_object.related_model._meta.model_name,
+                    )
+                to_field = to_state.apps.get_model(*related_key)._meta.get_field(
+                    related_object.field.name
+                )
+                schema_editor.alter_field(
+                    model,
+                    related_object.field,
+                    to_field,
+                )
+            # Rename M2M fields whose name is based on this model's name.
+            fields = zip(
+                old_model._meta.local_many_to_many, new_model._meta.local_many_to_many
+            )
+            for old_field, new_field in fields:
+                # Skip self-referential fields as these are renamed above.
+                if (
+                    new_field.model == new_field.related_model
+                    or not new_field.remote_field.through._meta.auto_created
+                ):
+                    continue
+                # Rename columns and the M2M table.
+                schema_editor._alter_many_to_many(
+                    new_model,
+                    old_field,
+                    new_field,
+                    strict=False,
+                )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        self.new_name_lower, self.old_name_lower = (
+            self.old_name_lower,
+            self.new_name_lower,
+        )
+        self.new_name, self.old_name = self.old_name, self.new_name
+
+        self.database_forwards(app_label, schema_editor, from_state, to_state)
+
+        self.new_name_lower, self.old_name_lower = (
+            self.old_name_lower,
+            self.new_name_lower,
+        )
+        self.new_name, self.old_name = self.old_name, self.new_name
+
+    def references_model(self, name, app_label):
+        return (
+            name.lower() == self.old_name_lower or name.lower() == self.new_name_lower
+        )
+
+    def describe(self):
+        return "Rename model %s to %s" % (self.old_name, self.new_name)
+
+    @property
+    def migration_name_fragment(self):
+        return "rename_%s_%s" % (self.old_name_lower, self.new_name_lower)
+
+    def reduce(self, operation, app_label):
+        if (
+            isinstance(operation, RenameModel)
+            and self.new_name_lower == operation.old_name_lower
+        ):
+            return [
+                RenameModel(
+                    self.old_name,
+                    operation.new_name,
+                ),
+            ]
+        # Skip `ModelOperation.reduce` as we want to run `references_model`
+        # against self.new_name.
+        return super(ModelOperation, self).reduce(
+            operation, app_label
+        ) or not operation.references_model(self.new_name, app_label)
+
+
+class ModelOptionOperation(ModelOperation):
+    def reduce(self, operation, app_label):
+        if (
+            isinstance(operation, (self.__class__, DeleteModel))
+            and self.name_lower == operation.name_lower
+        ):
+            return [operation]
+        return super().reduce(operation, app_label)
+
+
+class AlterModelTable(ModelOptionOperation):
+    """Rename a model's table."""
+
+    def __init__(self, name, table):
+        self.table = table
+        super().__init__(name)
+
+    def deconstruct(self):
+        kwargs = {
+            "name": self.name,
+            "table": self.table,
+        }
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.alter_model_options(app_label, self.name_lower, {"db_table": self.table})
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        new_model = to_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, new_model):
+            old_model = from_state.apps.get_model(app_label, self.name)
+            schema_editor.alter_db_table(
+                new_model,
+                old_model._meta.db_table,
+                new_model._meta.db_table,
+            )
+            # Rename M2M fields whose name is based on this model's db_table
+            for old_field, new_field in zip(
+                old_model._meta.local_many_to_many, new_model._meta.local_many_to_many
+            ):
+                if new_field.remote_field.through._meta.auto_created:
+                    schema_editor.alter_db_table(
+                        new_field.remote_field.through,
+                        old_field.remote_field.through._meta.db_table,
+                        new_field.remote_field.through._meta.db_table,
+                    )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        return self.database_forwards(app_label, schema_editor, from_state, to_state)
+
+    def describe(self):
+        return "Rename table for %s to %s" % (
+            self.name,
+            self.table if self.table is not None else "(default)",
+        )
+
+    @property
+    def migration_name_fragment(self):
+        return "alter_%s_table" % self.name_lower
+
+
+class AlterModelTableComment(ModelOptionOperation):
+    def __init__(self, name, table_comment):
+        self.table_comment = table_comment
+        super().__init__(name)
+
+    def deconstruct(self):
+        kwargs = {
+            "name": self.name,
+            "table_comment": self.table_comment,
+        }
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.alter_model_options(
+            app_label, self.name_lower, {"db_table_comment": self.table_comment}
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        new_model = to_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, new_model):
+            old_model = from_state.apps.get_model(app_label, self.name)
+            schema_editor.alter_db_table_comment(
+                new_model,
+                old_model._meta.db_table_comment,
+                new_model._meta.db_table_comment,
+            )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        return self.database_forwards(app_label, schema_editor, from_state, to_state)
+
+    def describe(self):
+        return f"Alter {self.name} table comment"
+
+    @property
+    def migration_name_fragment(self):
+        return f"alter_{self.name_lower}_table_comment"
+
+
+class AlterTogetherOptionOperation(ModelOptionOperation):
+    option_name = None
+
+    def __init__(self, name, option_value):
+        if option_value:
+            option_value = set(normalize_together(option_value))
+        setattr(self, self.option_name, option_value)
+        super().__init__(name)
+
+    @cached_property
+    def option_value(self):
+        return getattr(self, self.option_name)
+
+    def deconstruct(self):
+        kwargs = {
+            "name": self.name,
+            self.option_name: self.option_value,
+        }
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.alter_model_options(
+            app_label,
+            self.name_lower,
+            {self.option_name: self.option_value},
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        new_model = to_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, new_model):
+            old_model = from_state.apps.get_model(app_label, self.name)
+            alter_together = getattr(schema_editor, "alter_%s" % self.option_name)
+            alter_together(
+                new_model,
+                getattr(old_model._meta, self.option_name, set()),
+                getattr(new_model._meta, self.option_name, set()),
+            )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        return self.database_forwards(app_label, schema_editor, from_state, to_state)
+
+    def references_field(self, model_name, name, app_label):
+        return self.references_model(model_name, app_label) and (
+            not self.option_value
+            or any((name in fields) for fields in self.option_value)
+        )
+
+    def describe(self):
+        return "Alter %s for %s (%s constraint(s))" % (
+            self.option_name,
+            self.name,
+            len(self.option_value or ""),
+        )
+
+    @property
+    def migration_name_fragment(self):
+        return "alter_%s_%s" % (self.name_lower, self.option_name)
+
+    def can_reduce_through(self, operation, app_label):
+        return super().can_reduce_through(operation, app_label) or (
+            isinstance(operation, AlterTogetherOptionOperation)
+            and type(operation) is not type(self)
+        )
+
+
+class AlterUniqueTogether(AlterTogetherOptionOperation):
+    """
+    Change the value of unique_together to the target one.
+    Input value of unique_together must be a set of tuples.
+    """
+
+    option_name = "unique_together"
+
+    def __init__(self, name, unique_together):
+        super().__init__(name, unique_together)
+
+
+class AlterIndexTogether(AlterTogetherOptionOperation):
+    """
+    Change the value of index_together to the target one.
+    Input value of index_together must be a set of tuples.
+    """
+
+    option_name = "index_together"
+
+    def __init__(self, name, index_together):
+        super().__init__(name, index_together)
+
+
+class AlterOrderWithRespectTo(ModelOptionOperation):
+    """Represent a change with the order_with_respect_to option."""
+
+    option_name = "order_with_respect_to"
+
+    def __init__(self, name, order_with_respect_to):
+        self.order_with_respect_to = order_with_respect_to
+        super().__init__(name)
+
+    def deconstruct(self):
+        kwargs = {
+            "name": self.name,
+            "order_with_respect_to": self.order_with_respect_to,
+        }
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.alter_model_options(
+            app_label,
+            self.name_lower,
+            {self.option_name: self.order_with_respect_to},
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        to_model = to_state.apps.get_model(app_label, self.name)
+        if self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            from_model = from_state.apps.get_model(app_label, self.name)
+            # Remove a field if we need to
+            if (
+                from_model._meta.order_with_respect_to
+                and not to_model._meta.order_with_respect_to
+            ):
+                schema_editor.remove_field(
+                    from_model, from_model._meta.get_field("_order")
+                )
+            # Add a field if we need to (altering the column is untouched as
+            # it's likely a rename)
+            elif (
+                to_model._meta.order_with_respect_to
+                and not from_model._meta.order_with_respect_to
+            ):
+                field = to_model._meta.get_field("_order")
+                if not field.has_default():
+                    field.default = 0
+                schema_editor.add_field(
+                    from_model,
+                    field,
+                )
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        self.database_forwards(app_label, schema_editor, from_state, to_state)
+
+    def references_field(self, model_name, name, app_label):
+        return self.references_model(model_name, app_label) and (
+            self.order_with_respect_to is None or name == self.order_with_respect_to
+        )
+
+    def describe(self):
+        return "Set order_with_respect_to on %s to %s" % (
+            self.name,
+            self.order_with_respect_to,
+        )
+
+    @property
+    def migration_name_fragment(self):
+        return "alter_%s_order_with_respect_to" % self.name_lower
+
+
+class AlterModelOptions(ModelOptionOperation):
+    """
+    Set new model options that don't directly affect the database schema
+    (like verbose_name, permissions, ordering). Python code in migrations
+    may still need them.
+    """
+
+    # Model options we want to compare and preserve in an AlterModelOptions op
+    ALTER_OPTION_KEYS = [
+        "base_manager_name",
+        "default_manager_name",
+        "default_related_name",
+        "get_latest_by",
+        "managed",
+        "ordering",
+        "permissions",
+        "default_permissions",
+        "select_on_save",
+        "verbose_name",
+        "verbose_name_plural",
+    ]
+
+    def __init__(self, name, options):
+        self.options = options
+        super().__init__(name)
+
+    def deconstruct(self):
+        kwargs = {
+            "name": self.name,
+            "options": self.options,
+        }
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        state.alter_model_options(
+            app_label,
+            self.name_lower,
+            self.options,
+            self.ALTER_OPTION_KEYS,
+        )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        pass
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        pass
+
+    def describe(self):
+        return "Change Meta options on %s" % self.name
+
+    @property
+    def migration_name_fragment(self):
+        return "alter_%s_options" % self.name_lower
+
+
+class AlterModelManagers(ModelOptionOperation):
+    """Alter the model's managers."""
+
+    serialization_expand_args = ["managers"]
+
+    def __init__(self, name, managers):
+        self.managers = managers
+        super().__init__(name)
+
+    def deconstruct(self):
+        return (self.__class__.__qualname__, [self.name, self.managers], {})
+
+    def state_forwards(self, app_label, state):
+        state.alter_model_managers(app_label, self.name_lower, self.managers)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        pass
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        pass
+
+    def describe(self):
+        return "Change managers on %s" % self.name
+
+    @property
+    def migration_name_fragment(self):
+        return "alter_%s_managers" % self.name_lower
+
+
+class IndexOperation(Operation):
+    option_name = "indexes"
+
+    @cached_property
+    def model_name_lower(self):
+        return self.model_name.lower()
+
+
+class AddIndex(IndexOperation):
+    """Add an index on a model."""
+
+    def __init__(self, model_name, index):
+        self.model_name = model_name
+        if not index.name:
+            raise ValueError(
+                "Indexes passed to AddIndex operations require a name "
+                "argument. %r doesn't have one." % index
+            )
+        self.index = index
+
+    def state_forwards(self, app_label, state):
+        state.add_index(app_label, self.model_name_lower, self.index)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.add_index(model, self.index)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.remove_index(model, self.index)
+
+    def deconstruct(self):
+        kwargs = {
+            "model_name": self.model_name,
+            "index": self.index,
+        }
+        return (
+            self.__class__.__qualname__,
+            [],
+            kwargs,
+        )
+
+    def describe(self):
+        if self.index.expressions:
+            return "Create index %s on %s on model %s" % (
+                self.index.name,
+                ", ".join([str(expression) for expression in self.index.expressions]),
+                self.model_name,
+            )
+        return "Create index %s on field(s) %s of model %s" % (
+            self.index.name,
+            ", ".join(self.index.fields),
+            self.model_name,
+        )
+
+    @property
+    def migration_name_fragment(self):
+        return "%s_%s" % (self.model_name_lower, self.index.name.lower())
+
+    def reduce(self, operation, app_label):
+        if isinstance(operation, RemoveIndex) and self.index.name == operation.name:
+            return []
+        if isinstance(operation, RenameIndex) and self.index.name == operation.old_name:
+            self.index.name = operation.new_name
+            return [AddIndex(model_name=self.model_name, index=self.index)]
+        return super().reduce(operation, app_label)
+
+
+class RemoveIndex(IndexOperation):
+    """Remove an index from a model."""
+
+    def __init__(self, model_name, name):
+        self.model_name = model_name
+        self.name = name
+
+    def state_forwards(self, app_label, state):
+        state.remove_index(app_label, self.model_name_lower, self.name)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = from_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            from_model_state = from_state.models[app_label, self.model_name_lower]
+            index = from_model_state.get_index_by_name(self.name)
+            schema_editor.remove_index(model, index)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            to_model_state = to_state.models[app_label, self.model_name_lower]
+            index = to_model_state.get_index_by_name(self.name)
+            schema_editor.add_index(model, index)
+
+    def deconstruct(self):
+        kwargs = {
+            "model_name": self.model_name,
+            "name": self.name,
+        }
+        return (
+            self.__class__.__qualname__,
+            [],
+            kwargs,
+        )
+
+    def describe(self):
+        return "Remove index %s from %s" % (self.name, self.model_name)
+
+    @property
+    def migration_name_fragment(self):
+        return "remove_%s_%s" % (self.model_name_lower, self.name.lower())
+
+
+class RenameIndex(IndexOperation):
+    """Rename an index."""
+
+    def __init__(self, model_name, new_name, old_name=None, old_fields=None):
+        if not old_name and not old_fields:
+            raise ValueError(
+                "RenameIndex requires one of old_name and old_fields arguments to be "
+                "set."
+            )
+        if old_name and old_fields:
+            raise ValueError(
+                "RenameIndex.old_name and old_fields are mutually exclusive."
+            )
+        self.model_name = model_name
+        self.new_name = new_name
+        self.old_name = old_name
+        self.old_fields = old_fields
+
+    @cached_property
+    def old_name_lower(self):
+        return self.old_name.lower()
+
+    @cached_property
+    def new_name_lower(self):
+        return self.new_name.lower()
+
+    def deconstruct(self):
+        kwargs = {
+            "model_name": self.model_name,
+            "new_name": self.new_name,
+        }
+        if self.old_name:
+            kwargs["old_name"] = self.old_name
+        if self.old_fields:
+            kwargs["old_fields"] = self.old_fields
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        if self.old_fields:
+            state.add_index(
+                app_label,
+                self.model_name_lower,
+                models.Index(fields=self.old_fields, name=self.new_name),
+            )
+            state.remove_model_options(
+                app_label,
+                self.model_name_lower,
+                AlterIndexTogether.option_name,
+                self.old_fields,
+            )
+        else:
+            state.rename_index(
+                app_label, self.model_name_lower, self.old_name, self.new_name
+            )
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if not self.allow_migrate_model(schema_editor.connection.alias, model):
+            return
+
+        if self.old_fields:
+            from_model = from_state.apps.get_model(app_label, self.model_name)
+            columns = [
+                from_model._meta.get_field(field).column for field in self.old_fields
+            ]
+            matching_index_name = schema_editor._constraint_names(
+                from_model, column_names=columns, index=True
+            )
+            if len(matching_index_name) != 1:
+                raise ValueError(
+                    "Found wrong number (%s) of indexes for %s(%s)."
+                    % (
+                        len(matching_index_name),
+                        from_model._meta.db_table,
+                        ", ".join(columns),
+                    )
+                )
+            old_index = models.Index(
+                fields=self.old_fields,
+                name=matching_index_name[0],
+            )
+        else:
+            from_model_state = from_state.models[app_label, self.model_name_lower]
+            old_index = from_model_state.get_index_by_name(self.old_name)
+        # Don't alter when the index name is not changed.
+        if old_index.name == self.new_name:
+            return
+
+        to_model_state = to_state.models[app_label, self.model_name_lower]
+        new_index = to_model_state.get_index_by_name(self.new_name)
+        schema_editor.rename_index(model, old_index, new_index)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        if self.old_fields:
+            # Backward operation with unnamed index is a no-op.
+            return
+
+        self.new_name_lower, self.old_name_lower = (
+            self.old_name_lower,
+            self.new_name_lower,
+        )
+        self.new_name, self.old_name = self.old_name, self.new_name
+
+        self.database_forwards(app_label, schema_editor, from_state, to_state)
+
+        self.new_name_lower, self.old_name_lower = (
+            self.old_name_lower,
+            self.new_name_lower,
+        )
+        self.new_name, self.old_name = self.old_name, self.new_name
+
+    def describe(self):
+        if self.old_name:
+            return (
+                f"Rename index {self.old_name} on {self.model_name} to {self.new_name}"
+            )
+        return (
+            f"Rename unnamed index for {self.old_fields} on {self.model_name} to "
+            f"{self.new_name}"
+        )
+
+    @property
+    def migration_name_fragment(self):
+        if self.old_name:
+            return "rename_%s_%s" % (self.old_name_lower, self.new_name_lower)
+        return "rename_%s_%s_%s" % (
+            self.model_name_lower,
+            "_".join(self.old_fields),
+            self.new_name_lower,
+        )
+
+    def reduce(self, operation, app_label):
+        if (
+            isinstance(operation, RenameIndex)
+            and self.model_name_lower == operation.model_name_lower
+            and operation.old_name
+            and self.new_name_lower == operation.old_name_lower
+        ):
+            return [
+                RenameIndex(
+                    self.model_name,
+                    new_name=operation.new_name,
+                    old_name=self.old_name,
+                    old_fields=self.old_fields,
+                )
+            ]
+        return super().reduce(operation, app_label)
+
+
+class AddConstraint(IndexOperation):
+    option_name = "constraints"
+
+    def __init__(self, model_name, constraint):
+        self.model_name = model_name
+        self.constraint = constraint
+
+    def state_forwards(self, app_label, state):
+        state.add_constraint(app_label, self.model_name_lower, self.constraint)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.add_constraint(model, self.constraint)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            schema_editor.remove_constraint(model, self.constraint)
+
+    def deconstruct(self):
+        return (
+            self.__class__.__name__,
+            [],
+            {
+                "model_name": self.model_name,
+                "constraint": self.constraint,
+            },
+        )
+
+    def describe(self):
+        return "Create constraint %s on model %s" % (
+            self.constraint.name,
+            self.model_name,
+        )
+
+    @property
+    def migration_name_fragment(self):
+        return "%s_%s" % (self.model_name_lower, self.constraint.name.lower())
+
+    def reduce(self, operation, app_label):
+        if (
+            isinstance(operation, RemoveConstraint)
+            and self.model_name_lower == operation.model_name_lower
+            and self.constraint.name == operation.name
+        ):
+            return []
+        return super().reduce(operation, app_label)
+
+
+class RemoveConstraint(IndexOperation):
+    option_name = "constraints"
+
+    def __init__(self, model_name, name):
+        self.model_name = model_name
+        self.name = name
+
+    def state_forwards(self, app_label, state):
+        state.remove_constraint(app_label, self.model_name_lower, self.name)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            from_model_state = from_state.models[app_label, self.model_name_lower]
+            constraint = from_model_state.get_constraint_by_name(self.name)
+            schema_editor.remove_constraint(model, constraint)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.model_name)
+        if self.allow_migrate_model(schema_editor.connection.alias, model):
+            to_model_state = to_state.models[app_label, self.model_name_lower]
+            constraint = to_model_state.get_constraint_by_name(self.name)
+            schema_editor.add_constraint(model, constraint)
+
+    def deconstruct(self):
+        return (
+            self.__class__.__name__,
+            [],
+            {
+                "model_name": self.model_name,
+                "name": self.name,
+            },
+        )
+
+    def describe(self):
+        return "Remove constraint %s from model %s" % (self.name, self.model_name)
+
+    @property
+    def migration_name_fragment(self):
+        return "remove_%s_%s" % (self.model_name_lower, self.name.lower())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/special.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/special.py
new file mode 100644
index 00000000..94a6ec72
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/operations/special.py
@@ -0,0 +1,208 @@
+from django.db import router
+
+from .base import Operation
+
+
+class SeparateDatabaseAndState(Operation):
+    """
+    Take two lists of operations - ones that will be used for the database,
+    and ones that will be used for the state change. This allows operations
+    that don't support state change to have it applied, or have operations
+    that affect the state or not the database, or so on.
+    """
+
+    serialization_expand_args = ["database_operations", "state_operations"]
+
+    def __init__(self, database_operations=None, state_operations=None):
+        self.database_operations = database_operations or []
+        self.state_operations = state_operations or []
+
+    def deconstruct(self):
+        kwargs = {}
+        if self.database_operations:
+            kwargs["database_operations"] = self.database_operations
+        if self.state_operations:
+            kwargs["state_operations"] = self.state_operations
+        return (self.__class__.__qualname__, [], kwargs)
+
+    def state_forwards(self, app_label, state):
+        for state_operation in self.state_operations:
+            state_operation.state_forwards(app_label, state)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        # We calculate state separately in here since our state functions aren't useful
+        for database_operation in self.database_operations:
+            to_state = from_state.clone()
+            database_operation.state_forwards(app_label, to_state)
+            database_operation.database_forwards(
+                app_label, schema_editor, from_state, to_state
+            )
+            from_state = to_state
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        # We calculate state separately in here since our state functions aren't useful
+        to_states = {}
+        for dbop in self.database_operations:
+            to_states[dbop] = to_state
+            to_state = to_state.clone()
+            dbop.state_forwards(app_label, to_state)
+        # to_state now has the states of all the database_operations applied
+        # which is the from_state for the backwards migration of the last
+        # operation.
+        for database_operation in reversed(self.database_operations):
+            from_state = to_state
+            to_state = to_states[database_operation]
+            database_operation.database_backwards(
+                app_label, schema_editor, from_state, to_state
+            )
+
+    def describe(self):
+        return "Custom state/database change combination"
+
+
+class RunSQL(Operation):
+    """
+    Run some raw SQL. A reverse SQL statement may be provided.
+
+    Also accept a list of operations that represent the state change effected
+    by this SQL change, in case it's custom column/table creation/deletion.
+    """
+
+    noop = ""
+
+    def __init__(
+        self, sql, reverse_sql=None, state_operations=None, hints=None, elidable=False
+    ):
+        self.sql = sql
+        self.reverse_sql = reverse_sql
+        self.state_operations = state_operations or []
+        self.hints = hints or {}
+        self.elidable = elidable
+
+    def deconstruct(self):
+        kwargs = {
+            "sql": self.sql,
+        }
+        if self.reverse_sql is not None:
+            kwargs["reverse_sql"] = self.reverse_sql
+        if self.state_operations:
+            kwargs["state_operations"] = self.state_operations
+        if self.hints:
+            kwargs["hints"] = self.hints
+        return (self.__class__.__qualname__, [], kwargs)
+
+    @property
+    def reversible(self):
+        return self.reverse_sql is not None
+
+    def state_forwards(self, app_label, state):
+        for state_operation in self.state_operations:
+            state_operation.state_forwards(app_label, state)
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        if router.allow_migrate(
+            schema_editor.connection.alias, app_label, **self.hints
+        ):
+            self._run_sql(schema_editor, self.sql)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        if self.reverse_sql is None:
+            raise NotImplementedError("You cannot reverse this operation")
+        if router.allow_migrate(
+            schema_editor.connection.alias, app_label, **self.hints
+        ):
+            self._run_sql(schema_editor, self.reverse_sql)
+
+    def describe(self):
+        return "Raw SQL operation"
+
+    def _run_sql(self, schema_editor, sqls):
+        if isinstance(sqls, (list, tuple)):
+            for sql in sqls:
+                params = None
+                if isinstance(sql, (list, tuple)):
+                    elements = len(sql)
+                    if elements == 2:
+                        sql, params = sql
+                    else:
+                        raise ValueError("Expected a 2-tuple but got %d" % elements)
+                schema_editor.execute(sql, params=params)
+        elif sqls != RunSQL.noop:
+            statements = schema_editor.connection.ops.prepare_sql_script(sqls)
+            for statement in statements:
+                schema_editor.execute(statement, params=None)
+
+
+class RunPython(Operation):
+    """
+    Run Python code in a context suitable for doing versioned ORM operations.
+    """
+
+    reduces_to_sql = False
+
+    def __init__(
+        self, code, reverse_code=None, atomic=None, hints=None, elidable=False
+    ):
+        self.atomic = atomic
+        # Forwards code
+        if not callable(code):
+            raise ValueError("RunPython must be supplied with a callable")
+        self.code = code
+        # Reverse code
+        if reverse_code is None:
+            self.reverse_code = None
+        else:
+            if not callable(reverse_code):
+                raise ValueError("RunPython must be supplied with callable arguments")
+            self.reverse_code = reverse_code
+        self.hints = hints or {}
+        self.elidable = elidable
+
+    def deconstruct(self):
+        kwargs = {
+            "code": self.code,
+        }
+        if self.reverse_code is not None:
+            kwargs["reverse_code"] = self.reverse_code
+        if self.atomic is not None:
+            kwargs["atomic"] = self.atomic
+        if self.hints:
+            kwargs["hints"] = self.hints
+        return (self.__class__.__qualname__, [], kwargs)
+
+    @property
+    def reversible(self):
+        return self.reverse_code is not None
+
+    def state_forwards(self, app_label, state):
+        # RunPython objects have no state effect. To add some, combine this
+        # with SeparateDatabaseAndState.
+        pass
+
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        # RunPython has access to all models. Ensure that all models are
+        # reloaded in case any are delayed.
+        from_state.clear_delayed_apps_cache()
+        if router.allow_migrate(
+            schema_editor.connection.alias, app_label, **self.hints
+        ):
+            # We now execute the Python code in a context that contains a 'models'
+            # object, representing the versioned models as an app registry.
+            # We could try to override the global cache, but then people will still
+            # use direct imports, so we go with a documentation approach instead.
+            self.code(from_state.apps, schema_editor)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        if self.reverse_code is None:
+            raise NotImplementedError("You cannot reverse this operation")
+        if router.allow_migrate(
+            schema_editor.connection.alias, app_label, **self.hints
+        ):
+            self.reverse_code(from_state.apps, schema_editor)
+
+    def describe(self):
+        return "Raw Python operation"
+
+    @staticmethod
+    def noop(apps, schema_editor):
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/optimizer.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/optimizer.py
new file mode 100644
index 00000000..7e5dea23
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/optimizer.py
@@ -0,0 +1,69 @@
+class MigrationOptimizer:
+    """
+    Power the optimization process, where you provide a list of Operations
+    and you are returned a list of equal or shorter length - operations
+    are merged into one if possible.
+
+    For example, a CreateModel and an AddField can be optimized into a
+    new CreateModel, and CreateModel and DeleteModel can be optimized into
+    nothing.
+    """
+
+    def optimize(self, operations, app_label):
+        """
+        Main optimization entry point. Pass in a list of Operation instances,
+        get out a new list of Operation instances.
+
+        Unfortunately, due to the scope of the optimization (two combinable
+        operations might be separated by several hundred others), this can't be
+        done as a peephole optimization with checks/output implemented on
+        the Operations themselves; instead, the optimizer looks at each
+        individual operation and scans forwards in the list to see if there
+        are any matches, stopping at boundaries - operations which can't
+        be optimized over (RunSQL, operations on the same field/model, etc.)
+
+        The inner loop is run until the starting list is the same as the result
+        list, and then the result is returned. This means that operation
+        optimization must be stable and always return an equal or shorter list.
+        """
+        # Internal tracking variable for test assertions about # of loops
+        if app_label is None:
+            raise TypeError("app_label must be a str.")
+        self._iterations = 0
+        while True:
+            result = self.optimize_inner(operations, app_label)
+            self._iterations += 1
+            if result == operations:
+                return result
+            operations = result
+
+    def optimize_inner(self, operations, app_label):
+        """Inner optimization loop."""
+        new_operations = []
+        for i, operation in enumerate(operations):
+            right = True  # Should we reduce on the right or on the left.
+            # Compare it to each operation after it
+            for j, other in enumerate(operations[i + 1 :]):
+                result = operation.reduce(other, app_label)
+                if isinstance(result, list):
+                    in_between = operations[i + 1 : i + j + 1]
+                    if right:
+                        new_operations.extend(in_between)
+                        new_operations.extend(result)
+                    elif all(op.reduce(other, app_label) is True for op in in_between):
+                        # Perform a left reduction if all of the in-between
+                        # operations can optimize through other.
+                        new_operations.extend(result)
+                        new_operations.extend(in_between)
+                    else:
+                        # Otherwise keep trying.
+                        new_operations.append(operation)
+                        break
+                    new_operations.extend(operations[i + j + 2 :])
+                    return new_operations
+                elif not result:
+                    # Can't perform a right reduction.
+                    right = False
+            else:
+                new_operations.append(operation)
+        return new_operations
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/questioner.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/questioner.py
new file mode 100644
index 00000000..e1081ab7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/questioner.py
@@ -0,0 +1,341 @@
+import datetime
+import importlib
+import os
+import sys
+
+from django.apps import apps
+from django.core.management.base import OutputWrapper
+from django.db.models import NOT_PROVIDED
+from django.utils import timezone
+from django.utils.version import get_docs_version
+
+from .loader import MigrationLoader
+
+
+class MigrationQuestioner:
+    """
+    Give the autodetector responses to questions it might have.
+    This base class has a built-in noninteractive mode, but the
+    interactive subclass is what the command-line arguments will use.
+    """
+
+    def __init__(self, defaults=None, specified_apps=None, dry_run=None):
+        self.defaults = defaults or {}
+        self.specified_apps = specified_apps or set()
+        self.dry_run = dry_run
+
+    def ask_initial(self, app_label):
+        """Should we create an initial migration for the app?"""
+        # If it was specified on the command line, definitely true
+        if app_label in self.specified_apps:
+            return True
+        # Otherwise, we look to see if it has a migrations module
+        # without any Python files in it, apart from __init__.py.
+        # Apps from the new app template will have these; the Python
+        # file check will ensure we skip South ones.
+        try:
+            app_config = apps.get_app_config(app_label)
+        except LookupError:  # It's a fake app.
+            return self.defaults.get("ask_initial", False)
+        migrations_import_path, _ = MigrationLoader.migrations_module(app_config.label)
+        if migrations_import_path is None:
+            # It's an application with migrations disabled.
+            return self.defaults.get("ask_initial", False)
+        try:
+            migrations_module = importlib.import_module(migrations_import_path)
+        except ImportError:
+            return self.defaults.get("ask_initial", False)
+        else:
+            if getattr(migrations_module, "__file__", None):
+                filenames = os.listdir(os.path.dirname(migrations_module.__file__))
+            elif hasattr(migrations_module, "__path__"):
+                if len(migrations_module.__path__) > 1:
+                    return False
+                filenames = os.listdir(list(migrations_module.__path__)[0])
+            return not any(x.endswith(".py") for x in filenames if x != "__init__.py")
+
+    def ask_not_null_addition(self, field_name, model_name):
+        """Adding a NOT NULL field to a model."""
+        # None means quit
+        return None
+
+    def ask_not_null_alteration(self, field_name, model_name):
+        """Changing a NULL field to NOT NULL."""
+        # None means quit
+        return None
+
+    def ask_rename(self, model_name, old_name, new_name, field_instance):
+        """Was this field really renamed?"""
+        return self.defaults.get("ask_rename", False)
+
+    def ask_rename_model(self, old_model_state, new_model_state):
+        """Was this model really renamed?"""
+        return self.defaults.get("ask_rename_model", False)
+
+    def ask_merge(self, app_label):
+        """Should these migrations really be merged?"""
+        return self.defaults.get("ask_merge", False)
+
+    def ask_auto_now_add_addition(self, field_name, model_name):
+        """Adding an auto_now_add field to a model."""
+        # None means quit
+        return None
+
+    def ask_unique_callable_default_addition(self, field_name, model_name):
+        """Adding a unique field with a callable default."""
+        # None means continue.
+        return None
+
+
+class InteractiveMigrationQuestioner(MigrationQuestioner):
+    def __init__(
+        self, defaults=None, specified_apps=None, dry_run=None, prompt_output=None
+    ):
+        super().__init__(
+            defaults=defaults, specified_apps=specified_apps, dry_run=dry_run
+        )
+        self.prompt_output = prompt_output or OutputWrapper(sys.stdout)
+
+    def _boolean_input(self, question, default=None):
+        self.prompt_output.write(f"{question} ", ending="")
+        result = input()
+        if not result and default is not None:
+            return default
+        while not result or result[0].lower() not in "yn":
+            self.prompt_output.write("Please answer yes or no: ", ending="")
+            result = input()
+        return result[0].lower() == "y"
+
+    def _choice_input(self, question, choices):
+        self.prompt_output.write(f"{question}")
+        for i, choice in enumerate(choices):
+            self.prompt_output.write(" %s) %s" % (i + 1, choice))
+        self.prompt_output.write("Select an option: ", ending="")
+        result = input()
+        while True:
+            try:
+                value = int(result)
+            except ValueError:
+                pass
+            else:
+                if 0 < value <= len(choices):
+                    return value
+            self.prompt_output.write("Please select a valid option: ", ending="")
+            result = input()
+
+    def _ask_default(self, default=""):
+        """
+        Prompt for a default value.
+
+        The ``default`` argument allows providing a custom default value (as a
+        string) which will be shown to the user and used as the return value
+        if the user doesn't provide any other input.
+        """
+        self.prompt_output.write("Please enter the default value as valid Python.")
+        if default:
+            self.prompt_output.write(
+                f"Accept the default '{default}' by pressing 'Enter' or "
+                f"provide another value."
+            )
+        self.prompt_output.write(
+            "The datetime and django.utils.timezone modules are available, so "
+            "it is possible to provide e.g. timezone.now as a value."
+        )
+        self.prompt_output.write("Type 'exit' to exit this prompt")
+        while True:
+            if default:
+                prompt = "[default: {}] >>> ".format(default)
+            else:
+                prompt = ">>> "
+            self.prompt_output.write(prompt, ending="")
+            code = input()
+            if not code and default:
+                code = default
+            if not code:
+                self.prompt_output.write(
+                    "Please enter some code, or 'exit' (without quotes) to exit."
+                )
+            elif code == "exit":
+                sys.exit(1)
+            else:
+                try:
+                    return eval(code, {}, {"datetime": datetime, "timezone": timezone})
+                except (SyntaxError, NameError) as e:
+                    self.prompt_output.write("Invalid input: %s" % e)
+
+    def ask_not_null_addition(self, field_name, model_name):
+        """Adding a NOT NULL field to a model."""
+        if not self.dry_run:
+            choice = self._choice_input(
+                f"It is impossible to add a non-nullable field '{field_name}' "
+                f"to {model_name} without specifying a default. This is "
+                f"because the database needs something to populate existing "
+                f"rows.\n"
+                f"Please select a fix:",
+                [
+                    (
+                        "Provide a one-off default now (will be set on all existing "
+                        "rows with a null value for this column)"
+                    ),
+                    "Quit and manually define a default value in models.py.",
+                ],
+            )
+            if choice == 2:
+                sys.exit(3)
+            else:
+                return self._ask_default()
+        return None
+
+    def ask_not_null_alteration(self, field_name, model_name):
+        """Changing a NULL field to NOT NULL."""
+        if not self.dry_run:
+            choice = self._choice_input(
+                f"It is impossible to change a nullable field '{field_name}' "
+                f"on {model_name} to non-nullable without providing a "
+                f"default. This is because the database needs something to "
+                f"populate existing rows.\n"
+                f"Please select a fix:",
+                [
+                    (
+                        "Provide a one-off default now (will be set on all existing "
+                        "rows with a null value for this column)"
+                    ),
+                    "Ignore for now. Existing rows that contain NULL values "
+                    "will have to be handled manually, for example with a "
+                    "RunPython or RunSQL operation.",
+                    "Quit and manually define a default value in models.py.",
+                ],
+            )
+            if choice == 2:
+                return NOT_PROVIDED
+            elif choice == 3:
+                sys.exit(3)
+            else:
+                return self._ask_default()
+        return None
+
+    def ask_rename(self, model_name, old_name, new_name, field_instance):
+        """Was this field really renamed?"""
+        msg = "Was %s.%s renamed to %s.%s (a %s)? [y/N]"
+        return self._boolean_input(
+            msg
+            % (
+                model_name,
+                old_name,
+                model_name,
+                new_name,
+                field_instance.__class__.__name__,
+            ),
+            False,
+        )
+
+    def ask_rename_model(self, old_model_state, new_model_state):
+        """Was this model really renamed?"""
+        msg = "Was the model %s.%s renamed to %s? [y/N]"
+        return self._boolean_input(
+            msg
+            % (old_model_state.app_label, old_model_state.name, new_model_state.name),
+            False,
+        )
+
+    def ask_merge(self, app_label):
+        return self._boolean_input(
+            "\nMerging will only work if the operations printed above do not conflict\n"
+            + "with each other (working on different fields or models)\n"
+            + "Should these migration branches be merged? [y/N]",
+            False,
+        )
+
+    def ask_auto_now_add_addition(self, field_name, model_name):
+        """Adding an auto_now_add field to a model."""
+        if not self.dry_run:
+            choice = self._choice_input(
+                f"It is impossible to add the field '{field_name}' with "
+                f"'auto_now_add=True' to {model_name} without providing a "
+                f"default. This is because the database needs something to "
+                f"populate existing rows.\n",
+                [
+                    "Provide a one-off default now which will be set on all "
+                    "existing rows",
+                    "Quit and manually define a default value in models.py.",
+                ],
+            )
+            if choice == 2:
+                sys.exit(3)
+            else:
+                return self._ask_default(default="timezone.now")
+        return None
+
+    def ask_unique_callable_default_addition(self, field_name, model_name):
+        """Adding a unique field with a callable default."""
+        if not self.dry_run:
+            version = get_docs_version()
+            choice = self._choice_input(
+                f"Callable default on unique field {model_name}.{field_name} "
+                f"will not generate unique values upon migrating.\n"
+                f"Please choose how to proceed:\n",
+                [
+                    f"Continue making this migration as the first step in "
+                    f"writing a manual migration to generate unique values "
+                    f"described here: "
+                    f"https://docs.djangoproject.com/en/{version}/howto/"
+                    f"writing-migrations/#migrations-that-add-unique-fields.",
+                    "Quit and edit field options in models.py.",
+                ],
+            )
+            if choice == 2:
+                sys.exit(3)
+        return None
+
+
+class NonInteractiveMigrationQuestioner(MigrationQuestioner):
+    def __init__(
+        self,
+        defaults=None,
+        specified_apps=None,
+        dry_run=None,
+        verbosity=1,
+        log=None,
+    ):
+        self.verbosity = verbosity
+        self.log = log
+        super().__init__(
+            defaults=defaults,
+            specified_apps=specified_apps,
+            dry_run=dry_run,
+        )
+
+    def log_lack_of_migration(self, field_name, model_name, reason):
+        if self.verbosity > 0:
+            self.log(
+                f"Field '{field_name}' on model '{model_name}' not migrated: "
+                f"{reason}."
+            )
+
+    def ask_not_null_addition(self, field_name, model_name):
+        # We can't ask the user, so act like the user aborted.
+        self.log_lack_of_migration(
+            field_name,
+            model_name,
+            "it is impossible to add a non-nullable field without specifying "
+            "a default",
+        )
+        sys.exit(3)
+
+    def ask_not_null_alteration(self, field_name, model_name):
+        # We can't ask the user, so set as not provided.
+        self.log(
+            f"Field '{field_name}' on model '{model_name}' given a default of "
+            f"NOT PROVIDED and must be corrected."
+        )
+        return NOT_PROVIDED
+
+    def ask_auto_now_add_addition(self, field_name, model_name):
+        # We can't ask the user, so act like the user aborted.
+        self.log_lack_of_migration(
+            field_name,
+            model_name,
+            "it is impossible to add a field with 'auto_now_add=True' without "
+            "specifying a default",
+        )
+        sys.exit(3)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/recorder.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/recorder.py
new file mode 100644
index 00000000..cf0bd4a2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/recorder.py
@@ -0,0 +1,111 @@
+from django.apps.registry import Apps
+from django.db import DatabaseError, models
+from django.utils.functional import classproperty
+from django.utils.timezone import now
+
+from .exceptions import MigrationSchemaMissing
+
+
+class MigrationRecorder:
+    """
+    Deal with storing migration records in the database.
+
+    Because this table is actually itself used for dealing with model
+    creation, it's the one thing we can't do normally via migrations.
+    We manually handle table creation/schema updating (using schema backend)
+    and then have a floating model to do queries with.
+
+    If a migration is unapplied its row is removed from the table. Having
+    a row in the table always means a migration is applied.
+    """
+
+    _migration_class = None
+
+    @classproperty
+    def Migration(cls):
+        """
+        Lazy load to avoid AppRegistryNotReady if installed apps import
+        MigrationRecorder.
+        """
+        if cls._migration_class is None:
+
+            class Migration(models.Model):
+                app = models.CharField(max_length=255)
+                name = models.CharField(max_length=255)
+                applied = models.DateTimeField(default=now)
+
+                class Meta:
+                    apps = Apps()
+                    app_label = "migrations"
+                    db_table = "django_migrations"
+
+                def __str__(self):
+                    return "Migration %s for %s" % (self.name, self.app)
+
+            cls._migration_class = Migration
+        return cls._migration_class
+
+    def __init__(self, connection):
+        self.connection = connection
+        self._has_table = False
+
+    @property
+    def migration_qs(self):
+        return self.Migration.objects.using(self.connection.alias)
+
+    def has_table(self):
+        """Return True if the django_migrations table exists."""
+        # If the migrations table has already been confirmed to exist, don't
+        # recheck it's existence.
+        if self._has_table:
+            return True
+        # It hasn't been confirmed to exist, recheck.
+        with self.connection.cursor() as cursor:
+            tables = self.connection.introspection.table_names(cursor)
+
+        self._has_table = self.Migration._meta.db_table in tables
+        return self._has_table
+
+    def ensure_schema(self):
+        """Ensure the table exists and has the correct schema."""
+        # If the table's there, that's fine - we've never changed its schema
+        # in the codebase.
+        if self.has_table():
+            return
+        # Make the table
+        try:
+            with self.connection.schema_editor() as editor:
+                editor.create_model(self.Migration)
+        except DatabaseError as exc:
+            raise MigrationSchemaMissing(
+                "Unable to create the django_migrations table (%s)" % exc
+            )
+
+    def applied_migrations(self):
+        """
+        Return a dict mapping (app_name, migration_name) to Migration instances
+        for all applied migrations.
+        """
+        if self.has_table():
+            return {
+                (migration.app, migration.name): migration
+                for migration in self.migration_qs
+            }
+        else:
+            # If the django_migrations table doesn't exist, then no migrations
+            # are applied.
+            return {}
+
+    def record_applied(self, app, name):
+        """Record that a migration was applied."""
+        self.ensure_schema()
+        self.migration_qs.create(app=app, name=name)
+
+    def record_unapplied(self, app, name):
+        """Record that a migration was unapplied."""
+        self.ensure_schema()
+        self.migration_qs.filter(app=app, name=name).delete()
+
+    def flush(self):
+        """Delete all migration records. Useful for testing migrations."""
+        self.migration_qs.all().delete()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/serializer.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/serializer.py
new file mode 100644
index 00000000..69e10fd4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/serializer.py
@@ -0,0 +1,401 @@
+import builtins
+import collections.abc
+import datetime
+import decimal
+import enum
+import functools
+import math
+import os
+import pathlib
+import re
+import types
+import uuid
+
+from django.conf import SettingsReference
+from django.db import models
+from django.db.migrations.operations.base import Operation
+from django.db.migrations.utils import COMPILED_REGEX_TYPE, RegexObject
+from django.utils.functional import LazyObject, Promise
+from django.utils.version import PY311, get_docs_version
+
+
+class BaseSerializer:
+    def __init__(self, value):
+        self.value = value
+
+    def serialize(self):
+        raise NotImplementedError(
+            "Subclasses of BaseSerializer must implement the serialize() method."
+        )
+
+
+class BaseSequenceSerializer(BaseSerializer):
+    def _format(self):
+        raise NotImplementedError(
+            "Subclasses of BaseSequenceSerializer must implement the _format() method."
+        )
+
+    def serialize(self):
+        imports = set()
+        strings = []
+        for item in self.value:
+            item_string, item_imports = serializer_factory(item).serialize()
+            imports.update(item_imports)
+            strings.append(item_string)
+        value = self._format()
+        return value % (", ".join(strings)), imports
+
+
+class BaseUnorderedSequenceSerializer(BaseSequenceSerializer):
+    def __init__(self, value):
+        super().__init__(sorted(value, key=repr))
+
+
+class BaseSimpleSerializer(BaseSerializer):
+    def serialize(self):
+        return repr(self.value), set()
+
+
+class ChoicesSerializer(BaseSerializer):
+    def serialize(self):
+        return serializer_factory(self.value.value).serialize()
+
+
+class DateTimeSerializer(BaseSerializer):
+    """For datetime.*, except datetime.datetime."""
+
+    def serialize(self):
+        return repr(self.value), {"import datetime"}
+
+
+class DatetimeDatetimeSerializer(BaseSerializer):
+    """For datetime.datetime."""
+
+    def serialize(self):
+        if self.value.tzinfo is not None and self.value.tzinfo != datetime.timezone.utc:
+            self.value = self.value.astimezone(datetime.timezone.utc)
+        imports = ["import datetime"]
+        return repr(self.value), set(imports)
+
+
+class DecimalSerializer(BaseSerializer):
+    def serialize(self):
+        return repr(self.value), {"from decimal import Decimal"}
+
+
+class DeconstructableSerializer(BaseSerializer):
+    @staticmethod
+    def serialize_deconstructed(path, args, kwargs):
+        name, imports = DeconstructableSerializer._serialize_path(path)
+        strings = []
+        for arg in args:
+            arg_string, arg_imports = serializer_factory(arg).serialize()
+            strings.append(arg_string)
+            imports.update(arg_imports)
+        for kw, arg in sorted(kwargs.items()):
+            arg_string, arg_imports = serializer_factory(arg).serialize()
+            imports.update(arg_imports)
+            strings.append("%s=%s" % (kw, arg_string))
+        return "%s(%s)" % (name, ", ".join(strings)), imports
+
+    @staticmethod
+    def _serialize_path(path):
+        module, name = path.rsplit(".", 1)
+        if module == "django.db.models":
+            imports = {"from django.db import models"}
+            name = "models.%s" % name
+        else:
+            imports = {"import %s" % module}
+            name = path
+        return name, imports
+
+    def serialize(self):
+        return self.serialize_deconstructed(*self.value.deconstruct())
+
+
+class DictionarySerializer(BaseSerializer):
+    def serialize(self):
+        imports = set()
+        strings = []
+        for k, v in sorted(self.value.items()):
+            k_string, k_imports = serializer_factory(k).serialize()
+            v_string, v_imports = serializer_factory(v).serialize()
+            imports.update(k_imports)
+            imports.update(v_imports)
+            strings.append((k_string, v_string))
+        return "{%s}" % (", ".join("%s: %s" % (k, v) for k, v in strings)), imports
+
+
+class EnumSerializer(BaseSerializer):
+    def serialize(self):
+        enum_class = self.value.__class__
+        module = enum_class.__module__
+        if issubclass(enum_class, enum.Flag):
+            if PY311:
+                members = list(self.value)
+            else:
+                members, _ = enum._decompose(enum_class, self.value)
+                members = reversed(members)
+        else:
+            members = (self.value,)
+        return (
+            " | ".join(
+                [
+                    f"{module}.{enum_class.__qualname__}[{item.name!r}]"
+                    for item in members
+                ]
+            ),
+            {"import %s" % module},
+        )
+
+
+class FloatSerializer(BaseSimpleSerializer):
+    def serialize(self):
+        if math.isnan(self.value) or math.isinf(self.value):
+            return 'float("{}")'.format(self.value), set()
+        return super().serialize()
+
+
+class FrozensetSerializer(BaseUnorderedSequenceSerializer):
+    def _format(self):
+        return "frozenset([%s])"
+
+
+class FunctionTypeSerializer(BaseSerializer):
+    def serialize(self):
+        if getattr(self.value, "__self__", None) and isinstance(
+            self.value.__self__, type
+        ):
+            klass = self.value.__self__
+            module = klass.__module__
+            return "%s.%s.%s" % (module, klass.__qualname__, self.value.__name__), {
+                "import %s" % module
+            }
+        # Further error checking
+        if self.value.__name__ == "<lambda>":
+            raise ValueError("Cannot serialize function: lambda")
+        if self.value.__module__ is None:
+            raise ValueError("Cannot serialize function %r: No module" % self.value)
+
+        module_name = self.value.__module__
+
+        if "<" not in self.value.__qualname__:  # Qualname can include <locals>
+            return "%s.%s" % (module_name, self.value.__qualname__), {
+                "import %s" % self.value.__module__
+            }
+
+        raise ValueError(
+            "Could not find function %s in %s.\n" % (self.value.__name__, module_name)
+        )
+
+
+class FunctoolsPartialSerializer(BaseSerializer):
+    def serialize(self):
+        # Serialize functools.partial() arguments
+        func_string, func_imports = serializer_factory(self.value.func).serialize()
+        args_string, args_imports = serializer_factory(self.value.args).serialize()
+        keywords_string, keywords_imports = serializer_factory(
+            self.value.keywords
+        ).serialize()
+        # Add any imports needed by arguments
+        imports = {"import functools", *func_imports, *args_imports, *keywords_imports}
+        return (
+            "functools.%s(%s, *%s, **%s)"
+            % (
+                self.value.__class__.__name__,
+                func_string,
+                args_string,
+                keywords_string,
+            ),
+            imports,
+        )
+
+
+class IterableSerializer(BaseSerializer):
+    def serialize(self):
+        imports = set()
+        strings = []
+        for item in self.value:
+            item_string, item_imports = serializer_factory(item).serialize()
+            imports.update(item_imports)
+            strings.append(item_string)
+        # When len(strings)==0, the empty iterable should be serialized as
+        # "()", not "(,)" because (,) is invalid Python syntax.
+        value = "(%s)" if len(strings) != 1 else "(%s,)"
+        return value % (", ".join(strings)), imports
+
+
+class ModelFieldSerializer(DeconstructableSerializer):
+    def serialize(self):
+        attr_name, path, args, kwargs = self.value.deconstruct()
+        return self.serialize_deconstructed(path, args, kwargs)
+
+
+class ModelManagerSerializer(DeconstructableSerializer):
+    def serialize(self):
+        as_manager, manager_path, qs_path, args, kwargs = self.value.deconstruct()
+        if as_manager:
+            name, imports = self._serialize_path(qs_path)
+            return "%s.as_manager()" % name, imports
+        else:
+            return self.serialize_deconstructed(manager_path, args, kwargs)
+
+
+class OperationSerializer(BaseSerializer):
+    def serialize(self):
+        from django.db.migrations.writer import OperationWriter
+
+        string, imports = OperationWriter(self.value, indentation=0).serialize()
+        # Nested operation, trailing comma is handled in upper OperationWriter._write()
+        return string.rstrip(","), imports
+
+
+class PathLikeSerializer(BaseSerializer):
+    def serialize(self):
+        return repr(os.fspath(self.value)), {}
+
+
+class PathSerializer(BaseSerializer):
+    def serialize(self):
+        # Convert concrete paths to pure paths to avoid issues with migrations
+        # generated on one platform being used on a different platform.
+        prefix = "Pure" if isinstance(self.value, pathlib.Path) else ""
+        return "pathlib.%s%r" % (prefix, self.value), {"import pathlib"}
+
+
+class RegexSerializer(BaseSerializer):
+    def serialize(self):
+        regex_pattern, pattern_imports = serializer_factory(
+            self.value.pattern
+        ).serialize()
+        # Turn off default implicit flags (e.g. re.U) because regexes with the
+        # same implicit and explicit flags aren't equal.
+        flags = self.value.flags ^ re.compile("").flags
+        regex_flags, flag_imports = serializer_factory(flags).serialize()
+        imports = {"import re", *pattern_imports, *flag_imports}
+        args = [regex_pattern]
+        if flags:
+            args.append(regex_flags)
+        return "re.compile(%s)" % ", ".join(args), imports
+
+
+class SequenceSerializer(BaseSequenceSerializer):
+    def _format(self):
+        return "[%s]"
+
+
+class SetSerializer(BaseUnorderedSequenceSerializer):
+    def _format(self):
+        # Serialize as a set literal except when value is empty because {}
+        # is an empty dict.
+        return "{%s}" if self.value else "set(%s)"
+
+
+class SettingsReferenceSerializer(BaseSerializer):
+    def serialize(self):
+        return "settings.%s" % self.value.setting_name, {
+            "from django.conf import settings"
+        }
+
+
+class TupleSerializer(BaseSequenceSerializer):
+    def _format(self):
+        # When len(value)==0, the empty tuple should be serialized as "()",
+        # not "(,)" because (,) is invalid Python syntax.
+        return "(%s)" if len(self.value) != 1 else "(%s,)"
+
+
+class TypeSerializer(BaseSerializer):
+    def serialize(self):
+        special_cases = [
+            (models.Model, "models.Model", ["from django.db import models"]),
+            (types.NoneType, "types.NoneType", ["import types"]),
+        ]
+        for case, string, imports in special_cases:
+            if case is self.value:
+                return string, set(imports)
+        if hasattr(self.value, "__module__"):
+            module = self.value.__module__
+            if module == builtins.__name__:
+                return self.value.__name__, set()
+            else:
+                return "%s.%s" % (module, self.value.__qualname__), {
+                    "import %s" % module
+                }
+
+
+class UUIDSerializer(BaseSerializer):
+    def serialize(self):
+        return "uuid.%s" % repr(self.value), {"import uuid"}
+
+
+class Serializer:
+    _registry = {
+        # Some of these are order-dependent.
+        frozenset: FrozensetSerializer,
+        list: SequenceSerializer,
+        set: SetSerializer,
+        tuple: TupleSerializer,
+        dict: DictionarySerializer,
+        models.Choices: ChoicesSerializer,
+        enum.Enum: EnumSerializer,
+        datetime.datetime: DatetimeDatetimeSerializer,
+        (datetime.date, datetime.timedelta, datetime.time): DateTimeSerializer,
+        SettingsReference: SettingsReferenceSerializer,
+        float: FloatSerializer,
+        (bool, int, types.NoneType, bytes, str, range): BaseSimpleSerializer,
+        decimal.Decimal: DecimalSerializer,
+        (functools.partial, functools.partialmethod): FunctoolsPartialSerializer,
+        (
+            types.FunctionType,
+            types.BuiltinFunctionType,
+            types.MethodType,
+            functools._lru_cache_wrapper,
+        ): FunctionTypeSerializer,
+        collections.abc.Iterable: IterableSerializer,
+        (COMPILED_REGEX_TYPE, RegexObject): RegexSerializer,
+        uuid.UUID: UUIDSerializer,
+        pathlib.PurePath: PathSerializer,
+        os.PathLike: PathLikeSerializer,
+    }
+
+    @classmethod
+    def register(cls, type_, serializer):
+        if not issubclass(serializer, BaseSerializer):
+            raise ValueError(
+                "'%s' must inherit from 'BaseSerializer'." % serializer.__name__
+            )
+        cls._registry[type_] = serializer
+
+    @classmethod
+    def unregister(cls, type_):
+        cls._registry.pop(type_)
+
+
+def serializer_factory(value):
+    if isinstance(value, Promise):
+        value = str(value)
+    elif isinstance(value, LazyObject):
+        # The unwrapped value is returned as the first item of the arguments
+        # tuple.
+        value = value.__reduce__()[1][0]
+
+    if isinstance(value, models.Field):
+        return ModelFieldSerializer(value)
+    if isinstance(value, models.manager.BaseManager):
+        return ModelManagerSerializer(value)
+    if isinstance(value, Operation):
+        return OperationSerializer(value)
+    if isinstance(value, type):
+        return TypeSerializer(value)
+    # Anything that knows how to deconstruct itself.
+    if hasattr(value, "deconstruct"):
+        return DeconstructableSerializer(value)
+    for type_, serializer_cls in Serializer._registry.items():
+        if isinstance(value, type_):
+            return serializer_cls(value)
+    raise ValueError(
+        "Cannot serialize: %r\nThere are some values Django cannot serialize into "
+        "migration files.\nFor more, see https://docs.djangoproject.com/en/%s/"
+        "topics/migrations/#migration-serializing" % (value, get_docs_version())
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/state.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/state.py
new file mode 100644
index 00000000..bb2a19ed
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/state.py
@@ -0,0 +1,988 @@
+import copy
+from collections import defaultdict
+from contextlib import contextmanager
+from functools import partial
+
+from django.apps import AppConfig
+from django.apps.registry import Apps
+from django.apps.registry import apps as global_apps
+from django.conf import settings
+from django.core.exceptions import FieldDoesNotExist
+from django.db import models
+from django.db.migrations.utils import field_is_referenced, get_references
+from django.db.models import NOT_PROVIDED
+from django.db.models.fields.related import RECURSIVE_RELATIONSHIP_CONSTANT
+from django.db.models.options import DEFAULT_NAMES, normalize_together
+from django.db.models.utils import make_model_tuple
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+from django.utils.version import get_docs_version
+
+from .exceptions import InvalidBasesError
+from .utils import resolve_relation
+
+
+def _get_app_label_and_model_name(model, app_label=""):
+    if isinstance(model, str):
+        split = model.split(".", 1)
+        return tuple(split) if len(split) == 2 else (app_label, split[0])
+    else:
+        return model._meta.app_label, model._meta.model_name
+
+
+def _get_related_models(m):
+    """Return all models that have a direct relationship to the given model."""
+    related_models = [
+        subclass
+        for subclass in m.__subclasses__()
+        if issubclass(subclass, models.Model)
+    ]
+    related_fields_models = set()
+    for f in m._meta.get_fields(include_parents=True, include_hidden=True):
+        if (
+            f.is_relation
+            and f.related_model is not None
+            and not isinstance(f.related_model, str)
+        ):
+            related_fields_models.add(f.model)
+            related_models.append(f.related_model)
+    # Reverse accessors of foreign keys to proxy models are attached to their
+    # concrete proxied model.
+    opts = m._meta
+    if opts.proxy and m in related_fields_models:
+        related_models.append(opts.concrete_model)
+    return related_models
+
+
+def get_related_models_tuples(model):
+    """
+    Return a list of typical (app_label, model_name) tuples for all related
+    models for the given model.
+    """
+    return {
+        (rel_mod._meta.app_label, rel_mod._meta.model_name)
+        for rel_mod in _get_related_models(model)
+    }
+
+
+def get_related_models_recursive(model):
+    """
+    Return all models that have a direct or indirect relationship
+    to the given model.
+
+    Relationships are either defined by explicit relational fields, like
+    ForeignKey, ManyToManyField or OneToOneField, or by inheriting from another
+    model (a superclass is related to its subclasses, but not vice versa). Note,
+    however, that a model inheriting from a concrete model is also related to
+    its superclass through the implicit *_ptr OneToOneField on the subclass.
+    """
+    seen = set()
+    queue = _get_related_models(model)
+    for rel_mod in queue:
+        rel_app_label, rel_model_name = (
+            rel_mod._meta.app_label,
+            rel_mod._meta.model_name,
+        )
+        if (rel_app_label, rel_model_name) in seen:
+            continue
+        seen.add((rel_app_label, rel_model_name))
+        queue.extend(_get_related_models(rel_mod))
+    return seen - {(model._meta.app_label, model._meta.model_name)}
+
+
+class ProjectState:
+    """
+    Represent the entire project's overall state. This is the item that is
+    passed around - do it here rather than at the app level so that cross-app
+    FKs/etc. resolve properly.
+    """
+
+    def __init__(self, models=None, real_apps=None):
+        self.models = models or {}
+        # Apps to include from main registry, usually unmigrated ones
+        if real_apps is None:
+            real_apps = set()
+        else:
+            assert isinstance(real_apps, set)
+        self.real_apps = real_apps
+        self.is_delayed = False
+        # {remote_model_key: {model_key: {field_name: field}}}
+        self._relations = None
+
+    @property
+    def relations(self):
+        if self._relations is None:
+            self.resolve_fields_and_relations()
+        return self._relations
+
+    def add_model(self, model_state):
+        model_key = model_state.app_label, model_state.name_lower
+        self.models[model_key] = model_state
+        if self._relations is not None:
+            self.resolve_model_relations(model_key)
+        if "apps" in self.__dict__:  # hasattr would cache the property
+            self.reload_model(*model_key)
+
+    def remove_model(self, app_label, model_name):
+        model_key = app_label, model_name
+        del self.models[model_key]
+        if self._relations is not None:
+            self._relations.pop(model_key, None)
+            # Call list() since _relations can change size during iteration.
+            for related_model_key, model_relations in list(self._relations.items()):
+                model_relations.pop(model_key, None)
+                if not model_relations:
+                    del self._relations[related_model_key]
+        if "apps" in self.__dict__:  # hasattr would cache the property
+            self.apps.unregister_model(*model_key)
+            # Need to do this explicitly since unregister_model() doesn't clear
+            # the cache automatically (#24513)
+            self.apps.clear_cache()
+
+    def rename_model(self, app_label, old_name, new_name):
+        # Add a new model.
+        old_name_lower = old_name.lower()
+        new_name_lower = new_name.lower()
+        renamed_model = self.models[app_label, old_name_lower].clone()
+        renamed_model.name = new_name
+        self.models[app_label, new_name_lower] = renamed_model
+        # Repoint all fields pointing to the old model to the new one.
+        old_model_tuple = (app_label, old_name_lower)
+        new_remote_model = f"{app_label}.{new_name}"
+        to_reload = set()
+        for model_state, name, field, reference in get_references(
+            self, old_model_tuple
+        ):
+            changed_field = None
+            if reference.to:
+                changed_field = field.clone()
+                changed_field.remote_field.model = new_remote_model
+            if reference.through:
+                if changed_field is None:
+                    changed_field = field.clone()
+                changed_field.remote_field.through = new_remote_model
+            if changed_field:
+                model_state.fields[name] = changed_field
+                to_reload.add((model_state.app_label, model_state.name_lower))
+        if self._relations is not None:
+            old_name_key = app_label, old_name_lower
+            new_name_key = app_label, new_name_lower
+            if old_name_key in self._relations:
+                self._relations[new_name_key] = self._relations.pop(old_name_key)
+            for model_relations in self._relations.values():
+                if old_name_key in model_relations:
+                    model_relations[new_name_key] = model_relations.pop(old_name_key)
+        # Reload models related to old model before removing the old model.
+        self.reload_models(to_reload, delay=True)
+        # Remove the old model.
+        self.remove_model(app_label, old_name_lower)
+        self.reload_model(app_label, new_name_lower, delay=True)
+
+    def alter_model_options(self, app_label, model_name, options, option_keys=None):
+        model_state = self.models[app_label, model_name]
+        model_state.options = {**model_state.options, **options}
+        if option_keys:
+            for key in option_keys:
+                if key not in options:
+                    model_state.options.pop(key, False)
+        self.reload_model(app_label, model_name, delay=True)
+
+    def remove_model_options(self, app_label, model_name, option_name, value_to_remove):
+        model_state = self.models[app_label, model_name]
+        if objs := model_state.options.get(option_name):
+            model_state.options[option_name] = [
+                obj for obj in objs if tuple(obj) != tuple(value_to_remove)
+            ]
+        self.reload_model(app_label, model_name, delay=True)
+
+    def alter_model_managers(self, app_label, model_name, managers):
+        model_state = self.models[app_label, model_name]
+        model_state.managers = list(managers)
+        self.reload_model(app_label, model_name, delay=True)
+
+    def _append_option(self, app_label, model_name, option_name, obj):
+        model_state = self.models[app_label, model_name]
+        model_state.options[option_name] = [*model_state.options[option_name], obj]
+        self.reload_model(app_label, model_name, delay=True)
+
+    def _remove_option(self, app_label, model_name, option_name, obj_name):
+        model_state = self.models[app_label, model_name]
+        objs = model_state.options[option_name]
+        model_state.options[option_name] = [obj for obj in objs if obj.name != obj_name]
+        self.reload_model(app_label, model_name, delay=True)
+
+    def add_index(self, app_label, model_name, index):
+        self._append_option(app_label, model_name, "indexes", index)
+
+    def remove_index(self, app_label, model_name, index_name):
+        self._remove_option(app_label, model_name, "indexes", index_name)
+
+    def rename_index(self, app_label, model_name, old_index_name, new_index_name):
+        model_state = self.models[app_label, model_name]
+        objs = model_state.options["indexes"]
+
+        new_indexes = []
+        for obj in objs:
+            if obj.name == old_index_name:
+                obj = obj.clone()
+                obj.name = new_index_name
+            new_indexes.append(obj)
+
+        model_state.options["indexes"] = new_indexes
+        self.reload_model(app_label, model_name, delay=True)
+
+    def add_constraint(self, app_label, model_name, constraint):
+        self._append_option(app_label, model_name, "constraints", constraint)
+
+    def remove_constraint(self, app_label, model_name, constraint_name):
+        self._remove_option(app_label, model_name, "constraints", constraint_name)
+
+    def add_field(self, app_label, model_name, name, field, preserve_default):
+        # If preserve default is off, don't use the default for future state.
+        if not preserve_default:
+            field = field.clone()
+            field.default = NOT_PROVIDED
+        else:
+            field = field
+        model_key = app_label, model_name
+        self.models[model_key].fields[name] = field
+        if self._relations is not None:
+            self.resolve_model_field_relations(model_key, name, field)
+        # Delay rendering of relationships if it's not a relational field.
+        delay = not field.is_relation
+        self.reload_model(*model_key, delay=delay)
+
+    def remove_field(self, app_label, model_name, name):
+        model_key = app_label, model_name
+        model_state = self.models[model_key]
+        old_field = model_state.fields.pop(name)
+        if self._relations is not None:
+            self.resolve_model_field_relations(model_key, name, old_field)
+        # Delay rendering of relationships if it's not a relational field.
+        delay = not old_field.is_relation
+        self.reload_model(*model_key, delay=delay)
+
+    def alter_field(self, app_label, model_name, name, field, preserve_default):
+        if not preserve_default:
+            field = field.clone()
+            field.default = NOT_PROVIDED
+        else:
+            field = field
+        model_key = app_label, model_name
+        fields = self.models[model_key].fields
+        if self._relations is not None:
+            old_field = fields.pop(name)
+            if old_field.is_relation:
+                self.resolve_model_field_relations(model_key, name, old_field)
+            fields[name] = field
+            if field.is_relation:
+                self.resolve_model_field_relations(model_key, name, field)
+        else:
+            fields[name] = field
+        # TODO: investigate if old relational fields must be reloaded or if
+        # it's sufficient if the new field is (#27737).
+        # Delay rendering of relationships if it's not a relational field and
+        # not referenced by a foreign key.
+        delay = not field.is_relation and not field_is_referenced(
+            self, model_key, (name, field)
+        )
+        self.reload_model(*model_key, delay=delay)
+
+    def rename_field(self, app_label, model_name, old_name, new_name):
+        model_key = app_label, model_name
+        model_state = self.models[model_key]
+        # Rename the field.
+        fields = model_state.fields
+        try:
+            found = fields.pop(old_name)
+        except KeyError:
+            raise FieldDoesNotExist(
+                f"{app_label}.{model_name} has no field named '{old_name}'"
+            )
+        fields[new_name] = found
+        for field in fields.values():
+            # Fix from_fields to refer to the new field.
+            from_fields = getattr(field, "from_fields", None)
+            if from_fields:
+                field.from_fields = tuple(
+                    [
+                        new_name if from_field_name == old_name else from_field_name
+                        for from_field_name in from_fields
+                    ]
+                )
+        # Fix index/unique_together to refer to the new field.
+        options = model_state.options
+        for option in ("index_together", "unique_together"):
+            if option in options:
+                options[option] = [
+                    [new_name if n == old_name else n for n in together]
+                    for together in options[option]
+                ]
+        # Fix to_fields to refer to the new field.
+        delay = True
+        references = get_references(self, model_key, (old_name, found))
+        for *_, field, reference in references:
+            delay = False
+            if reference.to:
+                remote_field, to_fields = reference.to
+                if getattr(remote_field, "field_name", None) == old_name:
+                    remote_field.field_name = new_name
+                if to_fields:
+                    field.to_fields = tuple(
+                        [
+                            new_name if to_field_name == old_name else to_field_name
+                            for to_field_name in to_fields
+                        ]
+                    )
+        if self._relations is not None:
+            old_name_lower = old_name.lower()
+            new_name_lower = new_name.lower()
+            for to_model in self._relations.values():
+                if old_name_lower in to_model[model_key]:
+                    field = to_model[model_key].pop(old_name_lower)
+                    field.name = new_name_lower
+                    to_model[model_key][new_name_lower] = field
+        self.reload_model(*model_key, delay=delay)
+
+    def _find_reload_model(self, app_label, model_name, delay=False):
+        if delay:
+            self.is_delayed = True
+
+        related_models = set()
+
+        try:
+            old_model = self.apps.get_model(app_label, model_name)
+        except LookupError:
+            pass
+        else:
+            # Get all relations to and from the old model before reloading,
+            # as _meta.apps may change
+            if delay:
+                related_models = get_related_models_tuples(old_model)
+            else:
+                related_models = get_related_models_recursive(old_model)
+
+        # Get all outgoing references from the model to be rendered
+        model_state = self.models[(app_label, model_name)]
+        # Directly related models are the models pointed to by ForeignKeys,
+        # OneToOneFields, and ManyToManyFields.
+        direct_related_models = set()
+        for field in model_state.fields.values():
+            if field.is_relation:
+                if field.remote_field.model == RECURSIVE_RELATIONSHIP_CONSTANT:
+                    continue
+                rel_app_label, rel_model_name = _get_app_label_and_model_name(
+                    field.related_model, app_label
+                )
+                direct_related_models.add((rel_app_label, rel_model_name.lower()))
+
+        # For all direct related models recursively get all related models.
+        related_models.update(direct_related_models)
+        for rel_app_label, rel_model_name in direct_related_models:
+            try:
+                rel_model = self.apps.get_model(rel_app_label, rel_model_name)
+            except LookupError:
+                pass
+            else:
+                if delay:
+                    related_models.update(get_related_models_tuples(rel_model))
+                else:
+                    related_models.update(get_related_models_recursive(rel_model))
+
+        # Include the model itself
+        related_models.add((app_label, model_name))
+
+        return related_models
+
+    def reload_model(self, app_label, model_name, delay=False):
+        if "apps" in self.__dict__:  # hasattr would cache the property
+            related_models = self._find_reload_model(app_label, model_name, delay)
+            self._reload(related_models)
+
+    def reload_models(self, models, delay=True):
+        if "apps" in self.__dict__:  # hasattr would cache the property
+            related_models = set()
+            for app_label, model_name in models:
+                related_models.update(
+                    self._find_reload_model(app_label, model_name, delay)
+                )
+            self._reload(related_models)
+
+    def _reload(self, related_models):
+        # Unregister all related models
+        with self.apps.bulk_update():
+            for rel_app_label, rel_model_name in related_models:
+                self.apps.unregister_model(rel_app_label, rel_model_name)
+
+        states_to_be_rendered = []
+        # Gather all models states of those models that will be rerendered.
+        # This includes:
+        # 1. All related models of unmigrated apps
+        for model_state in self.apps.real_models:
+            if (model_state.app_label, model_state.name_lower) in related_models:
+                states_to_be_rendered.append(model_state)
+
+        # 2. All related models of migrated apps
+        for rel_app_label, rel_model_name in related_models:
+            try:
+                model_state = self.models[rel_app_label, rel_model_name]
+            except KeyError:
+                pass
+            else:
+                states_to_be_rendered.append(model_state)
+
+        # Render all models
+        self.apps.render_multiple(states_to_be_rendered)
+
+    def update_model_field_relation(
+        self,
+        model,
+        model_key,
+        field_name,
+        field,
+        concretes,
+    ):
+        remote_model_key = resolve_relation(model, *model_key)
+        if remote_model_key[0] not in self.real_apps and remote_model_key in concretes:
+            remote_model_key = concretes[remote_model_key]
+        relations_to_remote_model = self._relations[remote_model_key]
+        if field_name in self.models[model_key].fields:
+            # The assert holds because it's a new relation, or an altered
+            # relation, in which case references have been removed by
+            # alter_field().
+            assert field_name not in relations_to_remote_model[model_key]
+            relations_to_remote_model[model_key][field_name] = field
+        else:
+            del relations_to_remote_model[model_key][field_name]
+            if not relations_to_remote_model[model_key]:
+                del relations_to_remote_model[model_key]
+
+    def resolve_model_field_relations(
+        self,
+        model_key,
+        field_name,
+        field,
+        concretes=None,
+    ):
+        remote_field = field.remote_field
+        if not remote_field:
+            return
+        if concretes is None:
+            concretes, _ = self._get_concrete_models_mapping_and_proxy_models()
+
+        self.update_model_field_relation(
+            remote_field.model,
+            model_key,
+            field_name,
+            field,
+            concretes,
+        )
+
+        through = getattr(remote_field, "through", None)
+        if not through:
+            return
+        self.update_model_field_relation(
+            through, model_key, field_name, field, concretes
+        )
+
+    def resolve_model_relations(self, model_key, concretes=None):
+        if concretes is None:
+            concretes, _ = self._get_concrete_models_mapping_and_proxy_models()
+
+        model_state = self.models[model_key]
+        for field_name, field in model_state.fields.items():
+            self.resolve_model_field_relations(model_key, field_name, field, concretes)
+
+    def resolve_fields_and_relations(self):
+        # Resolve fields.
+        for model_state in self.models.values():
+            for field_name, field in model_state.fields.items():
+                field.name = field_name
+        # Resolve relations.
+        # {remote_model_key: {model_key: {field_name: field}}}
+        self._relations = defaultdict(partial(defaultdict, dict))
+        concretes, proxies = self._get_concrete_models_mapping_and_proxy_models()
+
+        for model_key in concretes:
+            self.resolve_model_relations(model_key, concretes)
+
+        for model_key in proxies:
+            self._relations[model_key] = self._relations[concretes[model_key]]
+
+    def get_concrete_model_key(self, model):
+        (
+            concrete_models_mapping,
+            _,
+        ) = self._get_concrete_models_mapping_and_proxy_models()
+        model_key = make_model_tuple(model)
+        return concrete_models_mapping[model_key]
+
+    def _get_concrete_models_mapping_and_proxy_models(self):
+        concrete_models_mapping = {}
+        proxy_models = {}
+        # Split models to proxy and concrete models.
+        for model_key, model_state in self.models.items():
+            if model_state.options.get("proxy"):
+                proxy_models[model_key] = model_state
+                # Find a concrete model for the proxy.
+                concrete_models_mapping[model_key] = (
+                    self._find_concrete_model_from_proxy(
+                        proxy_models,
+                        model_state,
+                    )
+                )
+            else:
+                concrete_models_mapping[model_key] = model_key
+        return concrete_models_mapping, proxy_models
+
+    def _find_concrete_model_from_proxy(self, proxy_models, model_state):
+        for base in model_state.bases:
+            if not (isinstance(base, str) or issubclass(base, models.Model)):
+                continue
+            base_key = make_model_tuple(base)
+            base_state = proxy_models.get(base_key)
+            if not base_state:
+                # Concrete model found, stop looking at bases.
+                return base_key
+            return self._find_concrete_model_from_proxy(proxy_models, base_state)
+
+    def clone(self):
+        """Return an exact copy of this ProjectState."""
+        new_state = ProjectState(
+            models={k: v.clone() for k, v in self.models.items()},
+            real_apps=self.real_apps,
+        )
+        if "apps" in self.__dict__:
+            new_state.apps = self.apps.clone()
+        new_state.is_delayed = self.is_delayed
+        return new_state
+
+    def clear_delayed_apps_cache(self):
+        if self.is_delayed and "apps" in self.__dict__:
+            del self.__dict__["apps"]
+
+    @cached_property
+    def apps(self):
+        return StateApps(self.real_apps, self.models)
+
+    @classmethod
+    def from_apps(cls, apps):
+        """Take an Apps and return a ProjectState matching it."""
+        app_models = {}
+        for model in apps.get_models(include_swapped=True):
+            model_state = ModelState.from_model(model)
+            app_models[(model_state.app_label, model_state.name_lower)] = model_state
+        return cls(app_models)
+
+    def __eq__(self, other):
+        return self.models == other.models and self.real_apps == other.real_apps
+
+
+class AppConfigStub(AppConfig):
+    """Stub of an AppConfig. Only provides a label and a dict of models."""
+
+    def __init__(self, label):
+        self.apps = None
+        self.models = {}
+        # App-label and app-name are not the same thing, so technically passing
+        # in the label here is wrong. In practice, migrations don't care about
+        # the app name, but we need something unique, and the label works fine.
+        self.label = label
+        self.name = label
+
+    def import_models(self):
+        self.models = self.apps.all_models[self.label]
+
+
+class StateApps(Apps):
+    """
+    Subclass of the global Apps registry class to better handle dynamic model
+    additions and removals.
+    """
+
+    def __init__(self, real_apps, models, ignore_swappable=False):
+        # Any apps in self.real_apps should have all their models included
+        # in the render. We don't use the original model instances as there
+        # are some variables that refer to the Apps object.
+        # FKs/M2Ms from real apps are also not included as they just
+        # mess things up with partial states (due to lack of dependencies)
+        self.real_models = []
+        for app_label in real_apps:
+            app = global_apps.get_app_config(app_label)
+            for model in app.get_models():
+                self.real_models.append(ModelState.from_model(model, exclude_rels=True))
+        # Populate the app registry with a stub for each application.
+        app_labels = {model_state.app_label for model_state in models.values()}
+        app_configs = [
+            AppConfigStub(label) for label in sorted([*real_apps, *app_labels])
+        ]
+        super().__init__(app_configs)
+
+        # These locks get in the way of copying as implemented in clone(),
+        # which is called whenever Django duplicates a StateApps before
+        # updating it.
+        self._lock = None
+        self.ready_event = None
+
+        self.render_multiple([*models.values(), *self.real_models])
+
+        # There shouldn't be any operations pending at this point.
+        from django.core.checks.model_checks import _check_lazy_references
+
+        ignore = (
+            {make_model_tuple(settings.AUTH_USER_MODEL)} if ignore_swappable else set()
+        )
+        errors = _check_lazy_references(self, ignore=ignore)
+        if errors:
+            raise ValueError("\n".join(error.msg for error in errors))
+
+    @contextmanager
+    def bulk_update(self):
+        # Avoid clearing each model's cache for each change. Instead, clear
+        # all caches when we're finished updating the model instances.
+        ready = self.ready
+        self.ready = False
+        try:
+            yield
+        finally:
+            self.ready = ready
+            self.clear_cache()
+
+    def render_multiple(self, model_states):
+        # We keep trying to render the models in a loop, ignoring invalid
+        # base errors, until the size of the unrendered models doesn't
+        # decrease by at least one, meaning there's a base dependency loop/
+        # missing base.
+        if not model_states:
+            return
+        # Prevent that all model caches are expired for each render.
+        with self.bulk_update():
+            unrendered_models = model_states
+            while unrendered_models:
+                new_unrendered_models = []
+                for model in unrendered_models:
+                    try:
+                        model.render(self)
+                    except InvalidBasesError:
+                        new_unrendered_models.append(model)
+                if len(new_unrendered_models) == len(unrendered_models):
+                    raise InvalidBasesError(
+                        "Cannot resolve bases for %r\nThis can happen if you are "
+                        "inheriting models from an app with migrations (e.g. "
+                        "contrib.auth)\n in an app with no migrations; see "
+                        "https://docs.djangoproject.com/en/%s/topics/migrations/"
+                        "#dependencies for more"
+                        % (new_unrendered_models, get_docs_version())
+                    )
+                unrendered_models = new_unrendered_models
+
+    def clone(self):
+        """Return a clone of this registry."""
+        clone = StateApps([], {})
+        clone.all_models = copy.deepcopy(self.all_models)
+
+        for app_label in self.app_configs:
+            app_config = AppConfigStub(app_label)
+            app_config.apps = clone
+            app_config.import_models()
+            clone.app_configs[app_label] = app_config
+
+        # No need to actually clone them, they'll never change
+        clone.real_models = self.real_models
+        return clone
+
+    def register_model(self, app_label, model):
+        self.all_models[app_label][model._meta.model_name] = model
+        if app_label not in self.app_configs:
+            self.app_configs[app_label] = AppConfigStub(app_label)
+            self.app_configs[app_label].apps = self
+        self.app_configs[app_label].models[model._meta.model_name] = model
+        self.do_pending_operations(model)
+        self.clear_cache()
+
+    def unregister_model(self, app_label, model_name):
+        try:
+            del self.all_models[app_label][model_name]
+            del self.app_configs[app_label].models[model_name]
+        except KeyError:
+            pass
+
+
+class ModelState:
+    """
+    Represent a Django Model. Don't use the actual Model class as it's not
+    designed to have its options changed - instead, mutate this one and then
+    render it into a Model as required.
+
+    Note that while you are allowed to mutate .fields, you are not allowed
+    to mutate the Field instances inside there themselves - you must instead
+    assign new ones, as these are not detached during a clone.
+    """
+
+    def __init__(
+        self, app_label, name, fields, options=None, bases=None, managers=None
+    ):
+        self.app_label = app_label
+        self.name = name
+        self.fields = dict(fields)
+        self.options = options or {}
+        self.options.setdefault("indexes", [])
+        self.options.setdefault("constraints", [])
+        self.bases = bases or (models.Model,)
+        self.managers = managers or []
+        for name, field in self.fields.items():
+            # Sanity-check that fields are NOT already bound to a model.
+            if hasattr(field, "model"):
+                raise ValueError(
+                    'ModelState.fields cannot be bound to a model - "%s" is.' % name
+                )
+            # Sanity-check that relation fields are NOT referring to a model class.
+            if field.is_relation and hasattr(field.related_model, "_meta"):
+                raise ValueError(
+                    'ModelState.fields cannot refer to a model class - "%s.to" does. '
+                    "Use a string reference instead." % name
+                )
+            if field.many_to_many and hasattr(field.remote_field.through, "_meta"):
+                raise ValueError(
+                    'ModelState.fields cannot refer to a model class - "%s.through" '
+                    "does. Use a string reference instead." % name
+                )
+        # Sanity-check that indexes have their name set.
+        for index in self.options["indexes"]:
+            if not index.name:
+                raise ValueError(
+                    "Indexes passed to ModelState require a name attribute. "
+                    "%r doesn't have one." % index
+                )
+
+    @cached_property
+    def name_lower(self):
+        return self.name.lower()
+
+    def get_field(self, field_name):
+        if field_name == "_order":
+            field_name = self.options.get("order_with_respect_to", field_name)
+        return self.fields[field_name]
+
+    @classmethod
+    def from_model(cls, model, exclude_rels=False):
+        """Given a model, return a ModelState representing it."""
+        # Deconstruct the fields
+        fields = []
+        for field in model._meta.local_fields:
+            if getattr(field, "remote_field", None) and exclude_rels:
+                continue
+            if isinstance(field, models.OrderWrt):
+                continue
+            name = field.name
+            try:
+                fields.append((name, field.clone()))
+            except TypeError as e:
+                raise TypeError(
+                    "Couldn't reconstruct field %s on %s: %s"
+                    % (
+                        name,
+                        model._meta.label,
+                        e,
+                    )
+                )
+        if not exclude_rels:
+            for field in model._meta.local_many_to_many:
+                name = field.name
+                try:
+                    fields.append((name, field.clone()))
+                except TypeError as e:
+                    raise TypeError(
+                        "Couldn't reconstruct m2m field %s on %s: %s"
+                        % (
+                            name,
+                            model._meta.object_name,
+                            e,
+                        )
+                    )
+        # Extract the options
+        options = {}
+        for name in DEFAULT_NAMES:
+            # Ignore some special options
+            if name in ["apps", "app_label"]:
+                continue
+            elif name in model._meta.original_attrs:
+                if name == "unique_together":
+                    ut = model._meta.original_attrs["unique_together"]
+                    options[name] = set(normalize_together(ut))
+                elif name == "index_together":
+                    it = model._meta.original_attrs["index_together"]
+                    options[name] = set(normalize_together(it))
+                elif name == "indexes":
+                    indexes = [idx.clone() for idx in model._meta.indexes]
+                    for index in indexes:
+                        if not index.name:
+                            index.set_name_with_model(model)
+                    options["indexes"] = indexes
+                elif name == "constraints":
+                    options["constraints"] = [
+                        con.clone() for con in model._meta.constraints
+                    ]
+                else:
+                    options[name] = model._meta.original_attrs[name]
+        # If we're ignoring relationships, remove all field-listing model
+        # options (that option basically just means "make a stub model")
+        if exclude_rels:
+            for key in ["unique_together", "index_together", "order_with_respect_to"]:
+                if key in options:
+                    del options[key]
+        # Private fields are ignored, so remove options that refer to them.
+        elif options.get("order_with_respect_to") in {
+            field.name for field in model._meta.private_fields
+        }:
+            del options["order_with_respect_to"]
+
+        def flatten_bases(model):
+            bases = []
+            for base in model.__bases__:
+                if hasattr(base, "_meta") and base._meta.abstract:
+                    bases.extend(flatten_bases(base))
+                else:
+                    bases.append(base)
+            return bases
+
+        # We can't rely on __mro__ directly because we only want to flatten
+        # abstract models and not the whole tree. However by recursing on
+        # __bases__ we may end up with duplicates and ordering issues, we
+        # therefore discard any duplicates and reorder the bases according
+        # to their index in the MRO.
+        flattened_bases = sorted(
+            set(flatten_bases(model)), key=lambda x: model.__mro__.index(x)
+        )
+
+        # Make our record
+        bases = tuple(
+            (base._meta.label_lower if hasattr(base, "_meta") else base)
+            for base in flattened_bases
+        )
+        # Ensure at least one base inherits from models.Model
+        if not any(
+            (isinstance(base, str) or issubclass(base, models.Model)) for base in bases
+        ):
+            bases = (models.Model,)
+
+        managers = []
+        manager_names = set()
+        default_manager_shim = None
+        for manager in model._meta.managers:
+            if manager.name in manager_names:
+                # Skip overridden managers.
+                continue
+            elif manager.use_in_migrations:
+                # Copy managers usable in migrations.
+                new_manager = copy.copy(manager)
+                new_manager._set_creation_counter()
+            elif manager is model._base_manager or manager is model._default_manager:
+                # Shim custom managers used as default and base managers.
+                new_manager = models.Manager()
+                new_manager.model = manager.model
+                new_manager.name = manager.name
+                if manager is model._default_manager:
+                    default_manager_shim = new_manager
+            else:
+                continue
+            manager_names.add(manager.name)
+            managers.append((manager.name, new_manager))
+
+        # Ignore a shimmed default manager called objects if it's the only one.
+        if managers == [("objects", default_manager_shim)]:
+            managers = []
+
+        # Construct the new ModelState
+        return cls(
+            model._meta.app_label,
+            model._meta.object_name,
+            fields,
+            options,
+            bases,
+            managers,
+        )
+
+    def construct_managers(self):
+        """Deep-clone the managers using deconstruction."""
+        # Sort all managers by their creation counter
+        sorted_managers = sorted(self.managers, key=lambda v: v[1].creation_counter)
+        for mgr_name, manager in sorted_managers:
+            as_manager, manager_path, qs_path, args, kwargs = manager.deconstruct()
+            if as_manager:
+                qs_class = import_string(qs_path)
+                yield mgr_name, qs_class.as_manager()
+            else:
+                manager_class = import_string(manager_path)
+                yield mgr_name, manager_class(*args, **kwargs)
+
+    def clone(self):
+        """Return an exact copy of this ModelState."""
+        return self.__class__(
+            app_label=self.app_label,
+            name=self.name,
+            fields=dict(self.fields),
+            # Since options are shallow-copied here, operations such as
+            # AddIndex must replace their option (e.g 'indexes') rather
+            # than mutating it.
+            options=dict(self.options),
+            bases=self.bases,
+            managers=list(self.managers),
+        )
+
+    def render(self, apps):
+        """Create a Model object from our current state into the given apps."""
+        # First, make a Meta object
+        meta_contents = {"app_label": self.app_label, "apps": apps, **self.options}
+        meta = type("Meta", (), meta_contents)
+        # Then, work out our bases
+        try:
+            bases = tuple(
+                (apps.get_model(base) if isinstance(base, str) else base)
+                for base in self.bases
+            )
+        except LookupError:
+            raise InvalidBasesError(
+                "Cannot resolve one or more bases from %r" % (self.bases,)
+            )
+        # Clone fields for the body, add other bits.
+        body = {name: field.clone() for name, field in self.fields.items()}
+        body["Meta"] = meta
+        body["__module__"] = "__fake__"
+
+        # Restore managers
+        body.update(self.construct_managers())
+        # Then, make a Model object (apps.register_model is called in __new__)
+        return type(self.name, bases, body)
+
+    def get_index_by_name(self, name):
+        for index in self.options["indexes"]:
+            if index.name == name:
+                return index
+        raise ValueError("No index named %s on model %s" % (name, self.name))
+
+    def get_constraint_by_name(self, name):
+        for constraint in self.options["constraints"]:
+            if constraint.name == name:
+                return constraint
+        raise ValueError("No constraint named %s on model %s" % (name, self.name))
+
+    def __repr__(self):
+        return "<%s: '%s.%s'>" % (self.__class__.__name__, self.app_label, self.name)
+
+    def __eq__(self, other):
+        return (
+            (self.app_label == other.app_label)
+            and (self.name == other.name)
+            and (len(self.fields) == len(other.fields))
+            and all(
+                k1 == k2 and f1.deconstruct()[1:] == f2.deconstruct()[1:]
+                for (k1, f1), (k2, f2) in zip(
+                    sorted(self.fields.items()),
+                    sorted(other.fields.items()),
+                )
+            )
+            and (self.options == other.options)
+            and (self.bases == other.bases)
+            and (self.managers == other.managers)
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/utils.py
new file mode 100644
index 00000000..6eb5a4c6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/utils.py
@@ -0,0 +1,129 @@
+import datetime
+import re
+from collections import namedtuple
+
+from django.db.models.fields.related import RECURSIVE_RELATIONSHIP_CONSTANT
+
+FieldReference = namedtuple("FieldReference", "to through")
+
+COMPILED_REGEX_TYPE = type(re.compile(""))
+
+
+class RegexObject:
+    def __init__(self, obj):
+        self.pattern = obj.pattern
+        self.flags = obj.flags
+
+    def __eq__(self, other):
+        if not isinstance(other, RegexObject):
+            return NotImplemented
+        return self.pattern == other.pattern and self.flags == other.flags
+
+
+def get_migration_name_timestamp():
+    return datetime.datetime.now().strftime("%Y%m%d_%H%M")
+
+
+def resolve_relation(model, app_label=None, model_name=None):
+    """
+    Turn a model class or model reference string and return a model tuple.
+
+    app_label and model_name are used to resolve the scope of recursive and
+    unscoped model relationship.
+    """
+    if isinstance(model, str):
+        if model == RECURSIVE_RELATIONSHIP_CONSTANT:
+            if app_label is None or model_name is None:
+                raise TypeError(
+                    "app_label and model_name must be provided to resolve "
+                    "recursive relationships."
+                )
+            return app_label, model_name
+        if "." in model:
+            app_label, model_name = model.split(".", 1)
+            return app_label, model_name.lower()
+        if app_label is None:
+            raise TypeError(
+                "app_label must be provided to resolve unscoped model relationships."
+            )
+        return app_label, model.lower()
+    return model._meta.app_label, model._meta.model_name
+
+
+def field_references(
+    model_tuple,
+    field,
+    reference_model_tuple,
+    reference_field_name=None,
+    reference_field=None,
+):
+    """
+    Return either False or a FieldReference if `field` references provided
+    context.
+
+    False positives can be returned if `reference_field_name` is provided
+    without `reference_field` because of the introspection limitation it
+    incurs. This should not be an issue when this function is used to determine
+    whether or not an optimization can take place.
+    """
+    remote_field = field.remote_field
+    if not remote_field:
+        return False
+    references_to = None
+    references_through = None
+    if resolve_relation(remote_field.model, *model_tuple) == reference_model_tuple:
+        to_fields = getattr(field, "to_fields", None)
+        if (
+            reference_field_name is None
+            or
+            # Unspecified to_field(s).
+            to_fields is None
+            or
+            # Reference to primary key.
+            (
+                None in to_fields
+                and (reference_field is None or reference_field.primary_key)
+            )
+            or
+            # Reference to field.
+            reference_field_name in to_fields
+        ):
+            references_to = (remote_field, to_fields)
+    through = getattr(remote_field, "through", None)
+    if through and resolve_relation(through, *model_tuple) == reference_model_tuple:
+        through_fields = remote_field.through_fields
+        if (
+            reference_field_name is None
+            or
+            # Unspecified through_fields.
+            through_fields is None
+            or
+            # Reference to field.
+            reference_field_name in through_fields
+        ):
+            references_through = (remote_field, through_fields)
+    if not (references_to or references_through):
+        return False
+    return FieldReference(references_to, references_through)
+
+
+def get_references(state, model_tuple, field_tuple=()):
+    """
+    Generator of (model_state, name, field, reference) referencing
+    provided context.
+
+    If field_tuple is provided only references to this particular field of
+    model_tuple will be generated.
+    """
+    for state_model_tuple, model_state in state.models.items():
+        for name, field in model_state.fields.items():
+            reference = field_references(
+                state_model_tuple, field, model_tuple, *field_tuple
+            )
+            if reference:
+                yield model_state, name, field, reference
+
+
+def field_is_referenced(state, model_tuple, field_tuple):
+    """Return whether `field_tuple` is referenced by any state models."""
+    return next(get_references(state, model_tuple, field_tuple), None) is not None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/writer.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/writer.py
new file mode 100644
index 00000000..3dd30143
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/migrations/writer.py
@@ -0,0 +1,316 @@
+import os
+import re
+from importlib import import_module
+
+from django import get_version
+from django.apps import apps
+
+# SettingsReference imported for backwards compatibility in Django 2.2.
+from django.conf import SettingsReference  # NOQA
+from django.db import migrations
+from django.db.migrations.loader import MigrationLoader
+from django.db.migrations.serializer import Serializer, serializer_factory
+from django.utils.inspect import get_func_args
+from django.utils.module_loading import module_dir
+from django.utils.timezone import now
+
+
+class OperationWriter:
+    def __init__(self, operation, indentation=2):
+        self.operation = operation
+        self.buff = []
+        self.indentation = indentation
+
+    def serialize(self):
+        def _write(_arg_name, _arg_value):
+            if _arg_name in self.operation.serialization_expand_args and isinstance(
+                _arg_value, (list, tuple, dict)
+            ):
+                if isinstance(_arg_value, dict):
+                    self.feed("%s={" % _arg_name)
+                    self.indent()
+                    for key, value in _arg_value.items():
+                        key_string, key_imports = MigrationWriter.serialize(key)
+                        arg_string, arg_imports = MigrationWriter.serialize(value)
+                        args = arg_string.splitlines()
+                        if len(args) > 1:
+                            self.feed("%s: %s" % (key_string, args[0]))
+                            for arg in args[1:-1]:
+                                self.feed(arg)
+                            self.feed("%s," % args[-1])
+                        else:
+                            self.feed("%s: %s," % (key_string, arg_string))
+                        imports.update(key_imports)
+                        imports.update(arg_imports)
+                    self.unindent()
+                    self.feed("},")
+                else:
+                    self.feed("%s=[" % _arg_name)
+                    self.indent()
+                    for item in _arg_value:
+                        arg_string, arg_imports = MigrationWriter.serialize(item)
+                        args = arg_string.splitlines()
+                        if len(args) > 1:
+                            for arg in args[:-1]:
+                                self.feed(arg)
+                            self.feed("%s," % args[-1])
+                        else:
+                            self.feed("%s," % arg_string)
+                        imports.update(arg_imports)
+                    self.unindent()
+                    self.feed("],")
+            else:
+                arg_string, arg_imports = MigrationWriter.serialize(_arg_value)
+                args = arg_string.splitlines()
+                if len(args) > 1:
+                    self.feed("%s=%s" % (_arg_name, args[0]))
+                    for arg in args[1:-1]:
+                        self.feed(arg)
+                    self.feed("%s," % args[-1])
+                else:
+                    self.feed("%s=%s," % (_arg_name, arg_string))
+                imports.update(arg_imports)
+
+        imports = set()
+        name, args, kwargs = self.operation.deconstruct()
+        operation_args = get_func_args(self.operation.__init__)
+
+        # See if this operation is in django.db.migrations. If it is,
+        # We can just use the fact we already have that imported,
+        # otherwise, we need to add an import for the operation class.
+        if getattr(migrations, name, None) == self.operation.__class__:
+            self.feed("migrations.%s(" % name)
+        else:
+            imports.add("import %s" % (self.operation.__class__.__module__))
+            self.feed("%s.%s(" % (self.operation.__class__.__module__, name))
+
+        self.indent()
+
+        for i, arg in enumerate(args):
+            arg_value = arg
+            arg_name = operation_args[i]
+            _write(arg_name, arg_value)
+
+        i = len(args)
+        # Only iterate over remaining arguments
+        for arg_name in operation_args[i:]:
+            if arg_name in kwargs:  # Don't sort to maintain signature order
+                arg_value = kwargs[arg_name]
+                _write(arg_name, arg_value)
+
+        self.unindent()
+        self.feed("),")
+        return self.render(), imports
+
+    def indent(self):
+        self.indentation += 1
+
+    def unindent(self):
+        self.indentation -= 1
+
+    def feed(self, line):
+        self.buff.append(" " * (self.indentation * 4) + line)
+
+    def render(self):
+        return "\n".join(self.buff)
+
+
+class MigrationWriter:
+    """
+    Take a Migration instance and is able to produce the contents
+    of the migration file from it.
+    """
+
+    def __init__(self, migration, include_header=True):
+        self.migration = migration
+        self.include_header = include_header
+        self.needs_manual_porting = False
+
+    def as_string(self):
+        """Return a string of the file contents."""
+        items = {
+            "replaces_str": "",
+            "initial_str": "",
+        }
+
+        imports = set()
+
+        # Deconstruct operations
+        operations = []
+        for operation in self.migration.operations:
+            operation_string, operation_imports = OperationWriter(operation).serialize()
+            imports.update(operation_imports)
+            operations.append(operation_string)
+        items["operations"] = "\n".join(operations) + "\n" if operations else ""
+
+        # Format dependencies and write out swappable dependencies right
+        dependencies = []
+        for dependency in self.migration.dependencies:
+            if dependency[0] == "__setting__":
+                dependencies.append(
+                    "        migrations.swappable_dependency(settings.%s),"
+                    % dependency[1]
+                )
+                imports.add("from django.conf import settings")
+            else:
+                dependencies.append("        %s," % self.serialize(dependency)[0])
+        items["dependencies"] = (
+            "\n".join(sorted(dependencies)) + "\n" if dependencies else ""
+        )
+
+        # Format imports nicely, swapping imports of functions from migration files
+        # for comments
+        migration_imports = set()
+        for line in list(imports):
+            if re.match(r"^import (.*)\.\d+[^\s]*$", line):
+                migration_imports.add(line.split("import")[1].strip())
+                imports.remove(line)
+                self.needs_manual_porting = True
+
+        # django.db.migrations is always used, but models import may not be.
+        # If models import exists, merge it with migrations import.
+        if "from django.db import models" in imports:
+            imports.discard("from django.db import models")
+            imports.add("from django.db import migrations, models")
+        else:
+            imports.add("from django.db import migrations")
+
+        # Sort imports by the package / module to be imported (the part after
+        # "from" in "from ... import ..." or after "import" in "import ...").
+        # First group the "import" statements, then "from ... import ...".
+        sorted_imports = sorted(
+            imports, key=lambda i: (i.split()[0] == "from", i.split()[1])
+        )
+        items["imports"] = "\n".join(sorted_imports) + "\n" if imports else ""
+        if migration_imports:
+            items["imports"] += (
+                "\n\n# Functions from the following migrations need manual "
+                "copying.\n# Move them and any dependencies into this file, "
+                "then update the\n# RunPython operations to refer to the local "
+                "versions:\n# %s"
+            ) % "\n# ".join(sorted(migration_imports))
+        # If there's a replaces, make a string for it
+        if self.migration.replaces:
+            items["replaces_str"] = (
+                "\n    replaces = %s\n" % self.serialize(self.migration.replaces)[0]
+            )
+        # Hinting that goes into comment
+        if self.include_header:
+            items["migration_header"] = MIGRATION_HEADER_TEMPLATE % {
+                "version": get_version(),
+                "timestamp": now().strftime("%Y-%m-%d %H:%M"),
+            }
+        else:
+            items["migration_header"] = ""
+
+        if self.migration.initial:
+            items["initial_str"] = "\n    initial = True\n"
+
+        return MIGRATION_TEMPLATE % items
+
+    @property
+    def basedir(self):
+        migrations_package_name, _ = MigrationLoader.migrations_module(
+            self.migration.app_label
+        )
+
+        if migrations_package_name is None:
+            raise ValueError(
+                "Django can't create migrations for app '%s' because "
+                "migrations have been disabled via the MIGRATION_MODULES "
+                "setting." % self.migration.app_label
+            )
+
+        # See if we can import the migrations module directly
+        try:
+            migrations_module = import_module(migrations_package_name)
+        except ImportError:
+            pass
+        else:
+            try:
+                return module_dir(migrations_module)
+            except ValueError:
+                pass
+
+        # Alright, see if it's a direct submodule of the app
+        app_config = apps.get_app_config(self.migration.app_label)
+        (
+            maybe_app_name,
+            _,
+            migrations_package_basename,
+        ) = migrations_package_name.rpartition(".")
+        if app_config.name == maybe_app_name:
+            return os.path.join(app_config.path, migrations_package_basename)
+
+        # In case of using MIGRATION_MODULES setting and the custom package
+        # doesn't exist, create one, starting from an existing package
+        existing_dirs, missing_dirs = migrations_package_name.split("."), []
+        while existing_dirs:
+            missing_dirs.insert(0, existing_dirs.pop(-1))
+            try:
+                base_module = import_module(".".join(existing_dirs))
+            except (ImportError, ValueError):
+                continue
+            else:
+                try:
+                    base_dir = module_dir(base_module)
+                except ValueError:
+                    continue
+                else:
+                    break
+        else:
+            raise ValueError(
+                "Could not locate an appropriate location to create "
+                "migrations package %s. Make sure the toplevel "
+                "package exists and can be imported." % migrations_package_name
+            )
+
+        final_dir = os.path.join(base_dir, *missing_dirs)
+        os.makedirs(final_dir, exist_ok=True)
+        for missing_dir in missing_dirs:
+            base_dir = os.path.join(base_dir, missing_dir)
+            with open(os.path.join(base_dir, "__init__.py"), "w"):
+                pass
+
+        return final_dir
+
+    @property
+    def filename(self):
+        return "%s.py" % self.migration.name
+
+    @property
+    def path(self):
+        return os.path.join(self.basedir, self.filename)
+
+    @classmethod
+    def serialize(cls, value):
+        return serializer_factory(value).serialize()
+
+    @classmethod
+    def register_serializer(cls, type_, serializer):
+        Serializer.register(type_, serializer)
+
+    @classmethod
+    def unregister_serializer(cls, type_):
+        Serializer.unregister(type_)
+
+
+MIGRATION_HEADER_TEMPLATE = """\
+# Generated by Django %(version)s on %(timestamp)s
+
+"""
+
+
+MIGRATION_TEMPLATE = """\
+%(migration_header)s%(imports)s
+
+class Migration(migrations.Migration):
+%(replaces_str)s%(initial_str)s
+    dependencies = [
+%(dependencies)s\
+    ]
+
+    operations = [
+%(operations)s\
+    ]
+"""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/__init__.py
new file mode 100644
index 00000000..f7aab5cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/__init__.py
@@ -0,0 +1,123 @@
+from django.core.exceptions import ObjectDoesNotExist
+from django.db.models import signals
+from django.db.models.aggregates import *  # NOQA
+from django.db.models.aggregates import __all__ as aggregates_all
+from django.db.models.constraints import *  # NOQA
+from django.db.models.constraints import __all__ as constraints_all
+from django.db.models.deletion import (
+    CASCADE,
+    DO_NOTHING,
+    PROTECT,
+    RESTRICT,
+    SET,
+    SET_DEFAULT,
+    SET_NULL,
+    ProtectedError,
+    RestrictedError,
+)
+from django.db.models.enums import *  # NOQA
+from django.db.models.enums import __all__ as enums_all
+from django.db.models.expressions import (
+    Case,
+    Exists,
+    Expression,
+    ExpressionList,
+    ExpressionWrapper,
+    F,
+    Func,
+    OrderBy,
+    OuterRef,
+    RowRange,
+    Subquery,
+    Value,
+    ValueRange,
+    When,
+    Window,
+    WindowFrame,
+)
+from django.db.models.fields import *  # NOQA
+from django.db.models.fields import __all__ as fields_all
+from django.db.models.fields.files import FileField, ImageField
+from django.db.models.fields.generated import GeneratedField
+from django.db.models.fields.json import JSONField
+from django.db.models.fields.proxy import OrderWrt
+from django.db.models.indexes import *  # NOQA
+from django.db.models.indexes import __all__ as indexes_all
+from django.db.models.lookups import Lookup, Transform
+from django.db.models.manager import Manager
+from django.db.models.query import (
+    Prefetch,
+    QuerySet,
+    aprefetch_related_objects,
+    prefetch_related_objects,
+)
+from django.db.models.query_utils import FilteredRelation, Q
+
+# Imports that would create circular imports if sorted
+from django.db.models.base import DEFERRED, Model  # isort:skip
+from django.db.models.fields.related import (  # isort:skip
+    ForeignKey,
+    ForeignObject,
+    OneToOneField,
+    ManyToManyField,
+    ForeignObjectRel,
+    ManyToOneRel,
+    ManyToManyRel,
+    OneToOneRel,
+)
+
+
+__all__ = aggregates_all + constraints_all + enums_all + fields_all + indexes_all
+__all__ += [
+    "ObjectDoesNotExist",
+    "signals",
+    "CASCADE",
+    "DO_NOTHING",
+    "PROTECT",
+    "RESTRICT",
+    "SET",
+    "SET_DEFAULT",
+    "SET_NULL",
+    "ProtectedError",
+    "RestrictedError",
+    "Case",
+    "Exists",
+    "Expression",
+    "ExpressionList",
+    "ExpressionWrapper",
+    "F",
+    "Func",
+    "OrderBy",
+    "OuterRef",
+    "RowRange",
+    "Subquery",
+    "Value",
+    "ValueRange",
+    "When",
+    "Window",
+    "WindowFrame",
+    "FileField",
+    "ImageField",
+    "GeneratedField",
+    "JSONField",
+    "OrderWrt",
+    "Lookup",
+    "Transform",
+    "Manager",
+    "Prefetch",
+    "Q",
+    "QuerySet",
+    "aprefetch_related_objects",
+    "prefetch_related_objects",
+    "DEFERRED",
+    "Model",
+    "FilteredRelation",
+    "ForeignKey",
+    "ForeignObject",
+    "OneToOneField",
+    "ManyToManyField",
+    "ForeignObjectRel",
+    "ManyToOneRel",
+    "ManyToManyRel",
+    "OneToOneRel",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/aggregates.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/aggregates.py
new file mode 100644
index 00000000..0cbffacd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/aggregates.py
@@ -0,0 +1,211 @@
+"""
+Classes to represent the definitions of aggregate functions.
+"""
+
+from django.core.exceptions import FieldError, FullResultSet
+from django.db.models.expressions import Case, Func, Star, Value, When
+from django.db.models.fields import IntegerField
+from django.db.models.functions.comparison import Coalesce
+from django.db.models.functions.mixins import (
+    FixDurationInputMixin,
+    NumericOutputFieldMixin,
+)
+
+__all__ = [
+    "Aggregate",
+    "Avg",
+    "Count",
+    "Max",
+    "Min",
+    "StdDev",
+    "Sum",
+    "Variance",
+]
+
+
+class Aggregate(Func):
+    template = "%(function)s(%(distinct)s%(expressions)s)"
+    contains_aggregate = True
+    name = None
+    filter_template = "%s FILTER (WHERE %%(filter)s)"
+    window_compatible = True
+    allow_distinct = False
+    empty_result_set_value = None
+
+    def __init__(
+        self, *expressions, distinct=False, filter=None, default=None, **extra
+    ):
+        if distinct and not self.allow_distinct:
+            raise TypeError("%s does not allow distinct." % self.__class__.__name__)
+        if default is not None and self.empty_result_set_value is not None:
+            raise TypeError(f"{self.__class__.__name__} does not allow default.")
+        self.distinct = distinct
+        self.filter = filter
+        self.default = default
+        super().__init__(*expressions, **extra)
+
+    def get_source_fields(self):
+        # Don't return the filter expression since it's not a source field.
+        return [e._output_field_or_none for e in super().get_source_expressions()]
+
+    def get_source_expressions(self):
+        source_expressions = super().get_source_expressions()
+        if self.filter:
+            return source_expressions + [self.filter]
+        return source_expressions
+
+    def set_source_expressions(self, exprs):
+        self.filter = self.filter and exprs.pop()
+        return super().set_source_expressions(exprs)
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        # Aggregates are not allowed in UPDATE queries, so ignore for_save
+        c = super().resolve_expression(query, allow_joins, reuse, summarize)
+        c.filter = c.filter and c.filter.resolve_expression(
+            query, allow_joins, reuse, summarize
+        )
+        if summarize:
+            # Summarized aggregates cannot refer to summarized aggregates.
+            for ref in c.get_refs():
+                if query.annotations[ref].is_summary:
+                    raise FieldError(
+                        f"Cannot compute {c.name}('{ref}'): '{ref}' is an aggregate"
+                    )
+        elif not self.is_summary:
+            # Call Aggregate.get_source_expressions() to avoid
+            # returning self.filter and including that in this loop.
+            expressions = super(Aggregate, c).get_source_expressions()
+            for index, expr in enumerate(expressions):
+                if expr.contains_aggregate:
+                    before_resolved = self.get_source_expressions()[index]
+                    name = (
+                        before_resolved.name
+                        if hasattr(before_resolved, "name")
+                        else repr(before_resolved)
+                    )
+                    raise FieldError(
+                        "Cannot compute %s('%s'): '%s' is an aggregate"
+                        % (c.name, name, name)
+                    )
+        if (default := c.default) is None:
+            return c
+        if hasattr(default, "resolve_expression"):
+            default = default.resolve_expression(query, allow_joins, reuse, summarize)
+            if default._output_field_or_none is None:
+                default.output_field = c._output_field_or_none
+        else:
+            default = Value(default, c._output_field_or_none)
+        c.default = None  # Reset the default argument before wrapping.
+        coalesce = Coalesce(c, default, output_field=c._output_field_or_none)
+        coalesce.is_summary = c.is_summary
+        return coalesce
+
+    @property
+    def default_alias(self):
+        expressions = self.get_source_expressions()
+        if len(expressions) == 1 and hasattr(expressions[0], "name"):
+            return "%s__%s" % (expressions[0].name, self.name.lower())
+        raise TypeError("Complex expressions require an alias")
+
+    def get_group_by_cols(self):
+        return []
+
+    def as_sql(self, compiler, connection, **extra_context):
+        extra_context["distinct"] = "DISTINCT " if self.distinct else ""
+        if self.filter:
+            if connection.features.supports_aggregate_filter_clause:
+                try:
+                    filter_sql, filter_params = self.filter.as_sql(compiler, connection)
+                except FullResultSet:
+                    pass
+                else:
+                    template = self.filter_template % extra_context.get(
+                        "template", self.template
+                    )
+                    sql, params = super().as_sql(
+                        compiler,
+                        connection,
+                        template=template,
+                        filter=filter_sql,
+                        **extra_context,
+                    )
+                    return sql, (*params, *filter_params)
+            else:
+                copy = self.copy()
+                copy.filter = None
+                source_expressions = copy.get_source_expressions()
+                condition = When(self.filter, then=source_expressions[0])
+                copy.set_source_expressions([Case(condition)] + source_expressions[1:])
+                return super(Aggregate, copy).as_sql(
+                    compiler, connection, **extra_context
+                )
+        return super().as_sql(compiler, connection, **extra_context)
+
+    def _get_repr_options(self):
+        options = super()._get_repr_options()
+        if self.distinct:
+            options["distinct"] = self.distinct
+        if self.filter:
+            options["filter"] = self.filter
+        return options
+
+
+class Avg(FixDurationInputMixin, NumericOutputFieldMixin, Aggregate):
+    function = "AVG"
+    name = "Avg"
+    allow_distinct = True
+
+
+class Count(Aggregate):
+    function = "COUNT"
+    name = "Count"
+    output_field = IntegerField()
+    allow_distinct = True
+    empty_result_set_value = 0
+
+    def __init__(self, expression, filter=None, **extra):
+        if expression == "*":
+            expression = Star()
+        if isinstance(expression, Star) and filter is not None:
+            raise ValueError("Star cannot be used with filter. Please specify a field.")
+        super().__init__(expression, filter=filter, **extra)
+
+
+class Max(Aggregate):
+    function = "MAX"
+    name = "Max"
+
+
+class Min(Aggregate):
+    function = "MIN"
+    name = "Min"
+
+
+class StdDev(NumericOutputFieldMixin, Aggregate):
+    name = "StdDev"
+
+    def __init__(self, expression, sample=False, **extra):
+        self.function = "STDDEV_SAMP" if sample else "STDDEV_POP"
+        super().__init__(expression, **extra)
+
+    def _get_repr_options(self):
+        return {**super()._get_repr_options(), "sample": self.function == "STDDEV_SAMP"}
+
+
+class Sum(FixDurationInputMixin, Aggregate):
+    function = "SUM"
+    name = "Sum"
+    allow_distinct = True
+
+
+class Variance(NumericOutputFieldMixin, Aggregate):
+    name = "Variance"
+
+    def __init__(self, expression, sample=False, **extra):
+        self.function = "VAR_SAMP" if sample else "VAR_POP"
+        super().__init__(expression, **extra)
+
+    def _get_repr_options(self):
+        return {**super()._get_repr_options(), "sample": self.function == "VAR_SAMP"}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/base.py
new file mode 100644
index 00000000..9cb1cfa8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/base.py
@@ -0,0 +1,2628 @@
+import copy
+import inspect
+import warnings
+from functools import partialmethod
+from itertools import chain
+
+from asgiref.sync import sync_to_async
+
+import django
+from django.apps import apps
+from django.conf import settings
+from django.core import checks
+from django.core.exceptions import (
+    NON_FIELD_ERRORS,
+    FieldDoesNotExist,
+    FieldError,
+    MultipleObjectsReturned,
+    ObjectDoesNotExist,
+    ValidationError,
+)
+from django.db import (
+    DJANGO_VERSION_PICKLE_KEY,
+    DatabaseError,
+    connection,
+    connections,
+    router,
+    transaction,
+)
+from django.db.models import NOT_PROVIDED, ExpressionWrapper, IntegerField, Max, Value
+from django.db.models.constants import LOOKUP_SEP
+from django.db.models.constraints import CheckConstraint, UniqueConstraint
+from django.db.models.deletion import CASCADE, Collector
+from django.db.models.expressions import DatabaseDefault, RawSQL
+from django.db.models.fields.related import (
+    ForeignObjectRel,
+    OneToOneField,
+    lazy_related_operation,
+    resolve_relation,
+)
+from django.db.models.functions import Coalesce
+from django.db.models.manager import Manager
+from django.db.models.options import Options
+from django.db.models.query import F, Q
+from django.db.models.signals import (
+    class_prepared,
+    post_init,
+    post_save,
+    pre_init,
+    pre_save,
+)
+from django.db.models.utils import AltersData, make_model_tuple
+from django.utils.encoding import force_str
+from django.utils.hashable import make_hashable
+from django.utils.text import capfirst, get_text_list
+from django.utils.translation import gettext_lazy as _
+
+
+class Deferred:
+    def __repr__(self):
+        return "<Deferred field>"
+
+    def __str__(self):
+        return "<Deferred field>"
+
+
+DEFERRED = Deferred()
+
+
+def subclass_exception(name, bases, module, attached_to):
+    """
+    Create exception subclass. Used by ModelBase below.
+
+    The exception is created in a way that allows it to be pickled, assuming
+    that the returned exception class will be added as an attribute to the
+    'attached_to' class.
+    """
+    return type(
+        name,
+        bases,
+        {
+            "__module__": module,
+            "__qualname__": "%s.%s" % (attached_to.__qualname__, name),
+        },
+    )
+
+
+def _has_contribute_to_class(value):
+    # Only call contribute_to_class() if it's bound.
+    return not inspect.isclass(value) and hasattr(value, "contribute_to_class")
+
+
+class ModelBase(type):
+    """Metaclass for all models."""
+
+    def __new__(cls, name, bases, attrs, **kwargs):
+        super_new = super().__new__
+
+        # Also ensure initialization is only performed for subclasses of Model
+        # (excluding Model class itself).
+        parents = [b for b in bases if isinstance(b, ModelBase)]
+        if not parents:
+            return super_new(cls, name, bases, attrs)
+
+        # Create the class.
+        module = attrs.pop("__module__")
+        new_attrs = {"__module__": module}
+        classcell = attrs.pop("__classcell__", None)
+        if classcell is not None:
+            new_attrs["__classcell__"] = classcell
+        attr_meta = attrs.pop("Meta", None)
+        # Pass all attrs without a (Django-specific) contribute_to_class()
+        # method to type.__new__() so that they're properly initialized
+        # (i.e. __set_name__()).
+        contributable_attrs = {}
+        for obj_name, obj in attrs.items():
+            if _has_contribute_to_class(obj):
+                contributable_attrs[obj_name] = obj
+            else:
+                new_attrs[obj_name] = obj
+        new_class = super_new(cls, name, bases, new_attrs, **kwargs)
+
+        abstract = getattr(attr_meta, "abstract", False)
+        meta = attr_meta or getattr(new_class, "Meta", None)
+        base_meta = getattr(new_class, "_meta", None)
+
+        app_label = None
+
+        # Look for an application configuration to attach the model to.
+        app_config = apps.get_containing_app_config(module)
+
+        if getattr(meta, "app_label", None) is None:
+            if app_config is None:
+                if not abstract:
+                    raise RuntimeError(
+                        "Model class %s.%s doesn't declare an explicit "
+                        "app_label and isn't in an application in "
+                        "INSTALLED_APPS." % (module, name)
+                    )
+
+            else:
+                app_label = app_config.label
+
+        new_class.add_to_class("_meta", Options(meta, app_label))
+        if not abstract:
+            new_class.add_to_class(
+                "DoesNotExist",
+                subclass_exception(
+                    "DoesNotExist",
+                    tuple(
+                        x.DoesNotExist
+                        for x in parents
+                        if hasattr(x, "_meta") and not x._meta.abstract
+                    )
+                    or (ObjectDoesNotExist,),
+                    module,
+                    attached_to=new_class,
+                ),
+            )
+            new_class.add_to_class(
+                "MultipleObjectsReturned",
+                subclass_exception(
+                    "MultipleObjectsReturned",
+                    tuple(
+                        x.MultipleObjectsReturned
+                        for x in parents
+                        if hasattr(x, "_meta") and not x._meta.abstract
+                    )
+                    or (MultipleObjectsReturned,),
+                    module,
+                    attached_to=new_class,
+                ),
+            )
+            if base_meta and not base_meta.abstract:
+                # Non-abstract child classes inherit some attributes from their
+                # non-abstract parent (unless an ABC comes before it in the
+                # method resolution order).
+                if not hasattr(meta, "ordering"):
+                    new_class._meta.ordering = base_meta.ordering
+                if not hasattr(meta, "get_latest_by"):
+                    new_class._meta.get_latest_by = base_meta.get_latest_by
+
+        is_proxy = new_class._meta.proxy
+
+        # If the model is a proxy, ensure that the base class
+        # hasn't been swapped out.
+        if is_proxy and base_meta and base_meta.swapped:
+            raise TypeError(
+                "%s cannot proxy the swapped model '%s'." % (name, base_meta.swapped)
+            )
+
+        # Add remaining attributes (those with a contribute_to_class() method)
+        # to the class.
+        for obj_name, obj in contributable_attrs.items():
+            new_class.add_to_class(obj_name, obj)
+
+        # All the fields of any type declared on this model
+        new_fields = chain(
+            new_class._meta.local_fields,
+            new_class._meta.local_many_to_many,
+            new_class._meta.private_fields,
+        )
+        field_names = {f.name for f in new_fields}
+
+        # Basic setup for proxy models.
+        if is_proxy:
+            base = None
+            for parent in [kls for kls in parents if hasattr(kls, "_meta")]:
+                if parent._meta.abstract:
+                    if parent._meta.fields:
+                        raise TypeError(
+                            "Abstract base class containing model fields not "
+                            "permitted for proxy model '%s'." % name
+                        )
+                    else:
+                        continue
+                if base is None:
+                    base = parent
+                elif parent._meta.concrete_model is not base._meta.concrete_model:
+                    raise TypeError(
+                        "Proxy model '%s' has more than one non-abstract model base "
+                        "class." % name
+                    )
+            if base is None:
+                raise TypeError(
+                    "Proxy model '%s' has no non-abstract model base class." % name
+                )
+            new_class._meta.setup_proxy(base)
+            new_class._meta.concrete_model = base._meta.concrete_model
+        else:
+            new_class._meta.concrete_model = new_class
+
+        # Collect the parent links for multi-table inheritance.
+        parent_links = {}
+        for base in reversed([new_class] + parents):
+            # Conceptually equivalent to `if base is Model`.
+            if not hasattr(base, "_meta"):
+                continue
+            # Skip concrete parent classes.
+            if base != new_class and not base._meta.abstract:
+                continue
+            # Locate OneToOneField instances.
+            for field in base._meta.local_fields:
+                if isinstance(field, OneToOneField) and field.remote_field.parent_link:
+                    related = resolve_relation(new_class, field.remote_field.model)
+                    parent_links[make_model_tuple(related)] = field
+
+        # Track fields inherited from base models.
+        inherited_attributes = set()
+        # Do the appropriate setup for any model parents.
+        for base in new_class.mro():
+            if base not in parents or not hasattr(base, "_meta"):
+                # Things without _meta aren't functional models, so they're
+                # uninteresting parents.
+                inherited_attributes.update(base.__dict__)
+                continue
+
+            parent_fields = base._meta.local_fields + base._meta.local_many_to_many
+            if not base._meta.abstract:
+                # Check for clashes between locally declared fields and those
+                # on the base classes.
+                for field in parent_fields:
+                    if field.name in field_names:
+                        raise FieldError(
+                            "Local field %r in class %r clashes with field of "
+                            "the same name from base class %r."
+                            % (
+                                field.name,
+                                name,
+                                base.__name__,
+                            )
+                        )
+                    else:
+                        inherited_attributes.add(field.name)
+
+                # Concrete classes...
+                base = base._meta.concrete_model
+                base_key = make_model_tuple(base)
+                if base_key in parent_links:
+                    field = parent_links[base_key]
+                elif not is_proxy:
+                    attr_name = "%s_ptr" % base._meta.model_name
+                    field = OneToOneField(
+                        base,
+                        on_delete=CASCADE,
+                        name=attr_name,
+                        auto_created=True,
+                        parent_link=True,
+                    )
+
+                    if attr_name in field_names:
+                        raise FieldError(
+                            "Auto-generated field '%s' in class %r for "
+                            "parent_link to base class %r clashes with "
+                            "declared field of the same name."
+                            % (
+                                attr_name,
+                                name,
+                                base.__name__,
+                            )
+                        )
+
+                    # Only add the ptr field if it's not already present;
+                    # e.g. migrations will already have it specified
+                    if not hasattr(new_class, attr_name):
+                        new_class.add_to_class(attr_name, field)
+                else:
+                    field = None
+                new_class._meta.parents[base] = field
+            else:
+                base_parents = base._meta.parents.copy()
+
+                # Add fields from abstract base class if it wasn't overridden.
+                for field in parent_fields:
+                    if (
+                        field.name not in field_names
+                        and field.name not in new_class.__dict__
+                        and field.name not in inherited_attributes
+                    ):
+                        new_field = copy.deepcopy(field)
+                        new_class.add_to_class(field.name, new_field)
+                        # Replace parent links defined on this base by the new
+                        # field. It will be appropriately resolved if required.
+                        if field.one_to_one:
+                            for parent, parent_link in base_parents.items():
+                                if field == parent_link:
+                                    base_parents[parent] = new_field
+
+                # Pass any non-abstract parent classes onto child.
+                new_class._meta.parents.update(base_parents)
+
+            # Inherit private fields (like GenericForeignKey) from the parent
+            # class
+            for field in base._meta.private_fields:
+                if field.name in field_names:
+                    if not base._meta.abstract:
+                        raise FieldError(
+                            "Local field %r in class %r clashes with field of "
+                            "the same name from base class %r."
+                            % (
+                                field.name,
+                                name,
+                                base.__name__,
+                            )
+                        )
+                else:
+                    field = copy.deepcopy(field)
+                    if not base._meta.abstract:
+                        field.mti_inherited = True
+                    new_class.add_to_class(field.name, field)
+
+        # Copy indexes so that index names are unique when models extend an
+        # abstract model.
+        new_class._meta.indexes = [
+            copy.deepcopy(idx) for idx in new_class._meta.indexes
+        ]
+
+        if abstract:
+            # Abstract base models can't be instantiated and don't appear in
+            # the list of models for an app. We do the final setup for them a
+            # little differently from normal models.
+            attr_meta.abstract = False
+            new_class.Meta = attr_meta
+            return new_class
+
+        new_class._prepare()
+        new_class._meta.apps.register_model(new_class._meta.app_label, new_class)
+        return new_class
+
+    def add_to_class(cls, name, value):
+        if _has_contribute_to_class(value):
+            value.contribute_to_class(cls, name)
+        else:
+            setattr(cls, name, value)
+
+    def _prepare(cls):
+        """Create some methods once self._meta has been populated."""
+        opts = cls._meta
+        opts._prepare(cls)
+
+        if opts.order_with_respect_to:
+            cls.get_next_in_order = partialmethod(
+                cls._get_next_or_previous_in_order, is_next=True
+            )
+            cls.get_previous_in_order = partialmethod(
+                cls._get_next_or_previous_in_order, is_next=False
+            )
+
+            # Defer creating accessors on the foreign class until it has been
+            # created and registered. If remote_field is None, we're ordering
+            # with respect to a GenericForeignKey and don't know what the
+            # foreign class is - we'll add those accessors later in
+            # contribute_to_class().
+            if opts.order_with_respect_to.remote_field:
+                wrt = opts.order_with_respect_to
+                remote = wrt.remote_field.model
+                lazy_related_operation(make_foreign_order_accessors, cls, remote)
+
+        # Give the class a docstring -- its definition.
+        if cls.__doc__ is None:
+            cls.__doc__ = "%s(%s)" % (
+                cls.__name__,
+                ", ".join(f.name for f in opts.fields),
+            )
+
+        get_absolute_url_override = settings.ABSOLUTE_URL_OVERRIDES.get(
+            opts.label_lower
+        )
+        if get_absolute_url_override:
+            setattr(cls, "get_absolute_url", get_absolute_url_override)
+
+        if not opts.managers:
+            if any(f.name == "objects" for f in opts.fields):
+                raise ValueError(
+                    "Model %s must specify a custom Manager, because it has a "
+                    "field named 'objects'." % cls.__name__
+                )
+            manager = Manager()
+            manager.auto_created = True
+            cls.add_to_class("objects", manager)
+
+        # Set the name of _meta.indexes. This can't be done in
+        # Options.contribute_to_class() because fields haven't been added to
+        # the model at that point.
+        for index in cls._meta.indexes:
+            if not index.name:
+                index.set_name_with_model(cls)
+
+        class_prepared.send(sender=cls)
+
+    @property
+    def _base_manager(cls):
+        return cls._meta.base_manager
+
+    @property
+    def _default_manager(cls):
+        return cls._meta.default_manager
+
+
+class ModelStateFieldsCacheDescriptor:
+    def __get__(self, instance, cls=None):
+        if instance is None:
+            return self
+        res = instance.fields_cache = {}
+        return res
+
+
+class ModelState:
+    """Store model instance state."""
+
+    db = None
+    # If true, uniqueness validation checks will consider this a new, unsaved
+    # object. Necessary for correct validation of new instances of objects with
+    # explicit (non-auto) PKs. This impacts validation only; it has no effect
+    # on the actual save.
+    adding = True
+    fields_cache = ModelStateFieldsCacheDescriptor()
+
+
+class Model(AltersData, metaclass=ModelBase):
+    def __init__(self, *args, **kwargs):
+        # Alias some things as locals to avoid repeat global lookups
+        cls = self.__class__
+        opts = self._meta
+        _setattr = setattr
+        _DEFERRED = DEFERRED
+        if opts.abstract:
+            raise TypeError("Abstract models cannot be instantiated.")
+
+        pre_init.send(sender=cls, args=args, kwargs=kwargs)
+
+        # Set up the storage for instance state
+        self._state = ModelState()
+
+        # There is a rather weird disparity here; if kwargs, it's set, then args
+        # overrides it. It should be one or the other; don't duplicate the work
+        # The reason for the kwargs check is that standard iterator passes in by
+        # args, and instantiation for iteration is 33% faster.
+        if len(args) > len(opts.concrete_fields):
+            # Daft, but matches old exception sans the err msg.
+            raise IndexError("Number of args exceeds number of fields")
+
+        if not kwargs:
+            fields_iter = iter(opts.concrete_fields)
+            # The ordering of the zip calls matter - zip throws StopIteration
+            # when an iter throws it. So if the first iter throws it, the second
+            # is *not* consumed. We rely on this, so don't change the order
+            # without changing the logic.
+            for val, field in zip(args, fields_iter):
+                if val is _DEFERRED:
+                    continue
+                _setattr(self, field.attname, val)
+        else:
+            # Slower, kwargs-ready version.
+            fields_iter = iter(opts.fields)
+            for val, field in zip(args, fields_iter):
+                if val is _DEFERRED:
+                    continue
+                _setattr(self, field.attname, val)
+                if kwargs.pop(field.name, NOT_PROVIDED) is not NOT_PROVIDED:
+                    raise TypeError(
+                        f"{cls.__qualname__}() got both positional and "
+                        f"keyword arguments for field '{field.name}'."
+                    )
+
+        # Now we're left with the unprocessed fields that *must* come from
+        # keywords, or default.
+
+        for field in fields_iter:
+            is_related_object = False
+            # Virtual field
+            if field.attname not in kwargs and field.column is None or field.generated:
+                continue
+            if kwargs:
+                if isinstance(field.remote_field, ForeignObjectRel):
+                    try:
+                        # Assume object instance was passed in.
+                        rel_obj = kwargs.pop(field.name)
+                        is_related_object = True
+                    except KeyError:
+                        try:
+                            # Object instance wasn't passed in -- must be an ID.
+                            val = kwargs.pop(field.attname)
+                        except KeyError:
+                            val = field.get_default()
+                else:
+                    try:
+                        val = kwargs.pop(field.attname)
+                    except KeyError:
+                        # This is done with an exception rather than the
+                        # default argument on pop because we don't want
+                        # get_default() to be evaluated, and then not used.
+                        # Refs #12057.
+                        val = field.get_default()
+            else:
+                val = field.get_default()
+
+            if is_related_object:
+                # If we are passed a related instance, set it using the
+                # field.name instead of field.attname (e.g. "user" instead of
+                # "user_id") so that the object gets properly cached (and type
+                # checked) by the RelatedObjectDescriptor.
+                if rel_obj is not _DEFERRED:
+                    _setattr(self, field.name, rel_obj)
+            else:
+                if val is not _DEFERRED:
+                    _setattr(self, field.attname, val)
+
+        if kwargs:
+            property_names = opts._property_names
+            unexpected = ()
+            for prop, value in kwargs.items():
+                # Any remaining kwargs must correspond to properties or virtual
+                # fields.
+                if prop in property_names:
+                    if value is not _DEFERRED:
+                        _setattr(self, prop, value)
+                else:
+                    try:
+                        opts.get_field(prop)
+                    except FieldDoesNotExist:
+                        unexpected += (prop,)
+                    else:
+                        if value is not _DEFERRED:
+                            _setattr(self, prop, value)
+            if unexpected:
+                unexpected_names = ", ".join(repr(n) for n in unexpected)
+                raise TypeError(
+                    f"{cls.__name__}() got unexpected keyword arguments: "
+                    f"{unexpected_names}"
+                )
+        super().__init__()
+        post_init.send(sender=cls, instance=self)
+
+    @classmethod
+    def from_db(cls, db, field_names, values):
+        if len(values) != len(cls._meta.concrete_fields):
+            values_iter = iter(values)
+            values = [
+                next(values_iter) if f.attname in field_names else DEFERRED
+                for f in cls._meta.concrete_fields
+            ]
+        new = cls(*values)
+        new._state.adding = False
+        new._state.db = db
+        return new
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self)
+
+    def __str__(self):
+        return "%s object (%s)" % (self.__class__.__name__, self.pk)
+
+    def __eq__(self, other):
+        if not isinstance(other, Model):
+            return NotImplemented
+        if self._meta.concrete_model != other._meta.concrete_model:
+            return False
+        my_pk = self.pk
+        if my_pk is None:
+            return self is other
+        return my_pk == other.pk
+
+    def __hash__(self):
+        if self.pk is None:
+            raise TypeError("Model instances without primary key value are unhashable")
+        return hash(self.pk)
+
+    def __reduce__(self):
+        data = self.__getstate__()
+        data[DJANGO_VERSION_PICKLE_KEY] = django.__version__
+        class_id = self._meta.app_label, self._meta.object_name
+        return model_unpickle, (class_id,), data
+
+    def __getstate__(self):
+        """Hook to allow choosing the attributes to pickle."""
+        state = self.__dict__.copy()
+        state["_state"] = copy.copy(state["_state"])
+        state["_state"].fields_cache = state["_state"].fields_cache.copy()
+        # memoryview cannot be pickled, so cast it to bytes and store
+        # separately.
+        _memoryview_attrs = []
+        for attr, value in state.items():
+            if isinstance(value, memoryview):
+                _memoryview_attrs.append((attr, bytes(value)))
+        if _memoryview_attrs:
+            state["_memoryview_attrs"] = _memoryview_attrs
+            for attr, value in _memoryview_attrs:
+                state.pop(attr)
+        return state
+
+    def __setstate__(self, state):
+        pickled_version = state.get(DJANGO_VERSION_PICKLE_KEY)
+        if pickled_version:
+            if pickled_version != django.__version__:
+                warnings.warn(
+                    "Pickled model instance's Django version %s does not "
+                    "match the current version %s."
+                    % (pickled_version, django.__version__),
+                    RuntimeWarning,
+                    stacklevel=2,
+                )
+        else:
+            warnings.warn(
+                "Pickled model instance's Django version is not specified.",
+                RuntimeWarning,
+                stacklevel=2,
+            )
+        if "_memoryview_attrs" in state:
+            for attr, value in state.pop("_memoryview_attrs"):
+                state[attr] = memoryview(value)
+        self.__dict__.update(state)
+
+    def _get_pk_val(self, meta=None):
+        meta = meta or self._meta
+        return getattr(self, meta.pk.attname)
+
+    def _set_pk_val(self, value):
+        for parent_link in self._meta.parents.values():
+            if parent_link and parent_link != self._meta.pk:
+                setattr(self, parent_link.target_field.attname, value)
+        return setattr(self, self._meta.pk.attname, value)
+
+    pk = property(_get_pk_val, _set_pk_val)
+
+    def get_deferred_fields(self):
+        """
+        Return a set containing names of deferred fields for this instance.
+        """
+        return {
+            f.attname
+            for f in self._meta.concrete_fields
+            if f.attname not in self.__dict__
+        }
+
+    def refresh_from_db(self, using=None, fields=None):
+        """
+        Reload field values from the database.
+
+        By default, the reloading happens from the database this instance was
+        loaded from, or by the read router if this instance wasn't loaded from
+        any database. The using parameter will override the default.
+
+        Fields can be used to specify which fields to reload. The fields
+        should be an iterable of field attnames. If fields is None, then
+        all non-deferred fields are reloaded.
+
+        When accessing deferred fields of an instance, the deferred loading
+        of the field will call this method.
+        """
+        if fields is None:
+            self._prefetched_objects_cache = {}
+        else:
+            prefetched_objects_cache = getattr(self, "_prefetched_objects_cache", ())
+            for field in fields:
+                if field in prefetched_objects_cache:
+                    del prefetched_objects_cache[field]
+                    fields.remove(field)
+            if not fields:
+                return
+            if any(LOOKUP_SEP in f for f in fields):
+                raise ValueError(
+                    'Found "%s" in fields argument. Relations and transforms '
+                    "are not allowed in fields." % LOOKUP_SEP
+                )
+
+        hints = {"instance": self}
+        db_instance_qs = self.__class__._base_manager.db_manager(
+            using, hints=hints
+        ).filter(pk=self.pk)
+
+        # Use provided fields, if not set then reload all non-deferred fields.
+        deferred_fields = self.get_deferred_fields()
+        if fields is not None:
+            fields = list(fields)
+            db_instance_qs = db_instance_qs.only(*fields)
+        elif deferred_fields:
+            fields = [
+                f.attname
+                for f in self._meta.concrete_fields
+                if f.attname not in deferred_fields
+            ]
+            db_instance_qs = db_instance_qs.only(*fields)
+
+        db_instance = db_instance_qs.get()
+        non_loaded_fields = db_instance.get_deferred_fields()
+        for field in self._meta.concrete_fields:
+            if field.attname in non_loaded_fields:
+                # This field wasn't refreshed - skip ahead.
+                continue
+            setattr(self, field.attname, getattr(db_instance, field.attname))
+            # Clear cached foreign keys.
+            if field.is_relation and field.is_cached(self):
+                field.delete_cached_value(self)
+
+        # Clear cached relations.
+        for field in self._meta.related_objects:
+            if field.is_cached(self):
+                field.delete_cached_value(self)
+
+        # Clear cached private relations.
+        for field in self._meta.private_fields:
+            if field.is_relation and field.is_cached(self):
+                field.delete_cached_value(self)
+
+        self._state.db = db_instance._state.db
+
+    async def arefresh_from_db(self, using=None, fields=None):
+        return await sync_to_async(self.refresh_from_db)(using=using, fields=fields)
+
+    def serializable_value(self, field_name):
+        """
+        Return the value of the field name for this instance. If the field is
+        a foreign key, return the id value instead of the object. If there's
+        no Field object with this name on the model, return the model
+        attribute's value.
+
+        Used to serialize a field's value (in the serializer, or form output,
+        for example). Normally, you would just access the attribute directly
+        and not use this method.
+        """
+        try:
+            field = self._meta.get_field(field_name)
+        except FieldDoesNotExist:
+            return getattr(self, field_name)
+        return getattr(self, field.attname)
+
+    def save(
+        self, force_insert=False, force_update=False, using=None, update_fields=None
+    ):
+        """
+        Save the current instance. Override this in a subclass if you want to
+        control the saving process.
+
+        The 'force_insert' and 'force_update' parameters can be used to insist
+        that the "save" must be an SQL insert or update (or equivalent for
+        non-SQL backends), respectively. Normally, they should not be set.
+        """
+        self._prepare_related_fields_for_save(operation_name="save")
+
+        using = using or router.db_for_write(self.__class__, instance=self)
+        if force_insert and (force_update or update_fields):
+            raise ValueError("Cannot force both insert and updating in model saving.")
+
+        deferred_non_generated_fields = {
+            f.attname
+            for f in self._meta.concrete_fields
+            if f.attname not in self.__dict__ and f.generated is False
+        }
+        if update_fields is not None:
+            # If update_fields is empty, skip the save. We do also check for
+            # no-op saves later on for inheritance cases. This bailout is
+            # still needed for skipping signal sending.
+            if not update_fields:
+                return
+
+            update_fields = frozenset(update_fields)
+            field_names = self._meta._non_pk_concrete_field_names
+            non_model_fields = update_fields.difference(field_names)
+
+            if non_model_fields:
+                raise ValueError(
+                    "The following fields do not exist in this model, are m2m "
+                    "fields, or are non-concrete fields: %s"
+                    % ", ".join(non_model_fields)
+                )
+
+        # If saving to the same database, and this model is deferred, then
+        # automatically do an "update_fields" save on the loaded fields.
+        elif (
+            not force_insert
+            and deferred_non_generated_fields
+            and using == self._state.db
+        ):
+            field_names = set()
+            for field in self._meta.concrete_fields:
+                if not field.primary_key and not hasattr(field, "through"):
+                    field_names.add(field.attname)
+            loaded_fields = field_names.difference(deferred_non_generated_fields)
+            if loaded_fields:
+                update_fields = frozenset(loaded_fields)
+
+        self.save_base(
+            using=using,
+            force_insert=force_insert,
+            force_update=force_update,
+            update_fields=update_fields,
+        )
+
+    save.alters_data = True
+
+    async def asave(
+        self, force_insert=False, force_update=False, using=None, update_fields=None
+    ):
+        return await sync_to_async(self.save)(
+            force_insert=force_insert,
+            force_update=force_update,
+            using=using,
+            update_fields=update_fields,
+        )
+
+    asave.alters_data = True
+
+    @classmethod
+    def _validate_force_insert(cls, force_insert):
+        if force_insert is False:
+            return ()
+        if force_insert is True:
+            return (cls,)
+        if not isinstance(force_insert, tuple):
+            raise TypeError("force_insert must be a bool or tuple.")
+        for member in force_insert:
+            if not isinstance(member, ModelBase):
+                raise TypeError(
+                    f"Invalid force_insert member. {member!r} must be a model subclass."
+                )
+            if not issubclass(cls, member):
+                raise TypeError(
+                    f"Invalid force_insert member. {member.__qualname__} must be a "
+                    f"base of {cls.__qualname__}."
+                )
+        return force_insert
+
+    def save_base(
+        self,
+        raw=False,
+        force_insert=False,
+        force_update=False,
+        using=None,
+        update_fields=None,
+    ):
+        """
+        Handle the parts of saving which should be done only once per save,
+        yet need to be done in raw saves, too. This includes some sanity
+        checks and signal sending.
+
+        The 'raw' argument is telling save_base not to save any parent
+        models and not to do any changes to the values before save. This
+        is used by fixture loading.
+        """
+        using = using or router.db_for_write(self.__class__, instance=self)
+        assert not (force_insert and (force_update or update_fields))
+        assert update_fields is None or update_fields
+        cls = origin = self.__class__
+        # Skip proxies, but keep the origin as the proxy model.
+        if cls._meta.proxy:
+            cls = cls._meta.concrete_model
+        meta = cls._meta
+        if not meta.auto_created:
+            pre_save.send(
+                sender=origin,
+                instance=self,
+                raw=raw,
+                using=using,
+                update_fields=update_fields,
+            )
+        # A transaction isn't needed if one query is issued.
+        if meta.parents:
+            context_manager = transaction.atomic(using=using, savepoint=False)
+        else:
+            context_manager = transaction.mark_for_rollback_on_error(using=using)
+        with context_manager:
+            parent_inserted = False
+            if not raw:
+                # Validate force insert only when parents are inserted.
+                force_insert = self._validate_force_insert(force_insert)
+                parent_inserted = self._save_parents(
+                    cls, using, update_fields, force_insert
+                )
+            updated = self._save_table(
+                raw,
+                cls,
+                force_insert or parent_inserted,
+                force_update,
+                using,
+                update_fields,
+            )
+        # Store the database on which the object was saved
+        self._state.db = using
+        # Once saved, this is no longer a to-be-added instance.
+        self._state.adding = False
+
+        # Signal that the save is complete
+        if not meta.auto_created:
+            post_save.send(
+                sender=origin,
+                instance=self,
+                created=(not updated),
+                update_fields=update_fields,
+                raw=raw,
+                using=using,
+            )
+
+    save_base.alters_data = True
+
+    def _save_parents(
+        self, cls, using, update_fields, force_insert, updated_parents=None
+    ):
+        """Save all the parents of cls using values from self."""
+        meta = cls._meta
+        inserted = False
+        if updated_parents is None:
+            updated_parents = {}
+        for parent, field in meta.parents.items():
+            # Make sure the link fields are synced between parent and self.
+            if (
+                field
+                and getattr(self, parent._meta.pk.attname) is None
+                and getattr(self, field.attname) is not None
+            ):
+                setattr(self, parent._meta.pk.attname, getattr(self, field.attname))
+            if (parent_updated := updated_parents.get(parent)) is None:
+                parent_inserted = self._save_parents(
+                    cls=parent,
+                    using=using,
+                    update_fields=update_fields,
+                    force_insert=force_insert,
+                    updated_parents=updated_parents,
+                )
+                updated = self._save_table(
+                    cls=parent,
+                    using=using,
+                    update_fields=update_fields,
+                    force_insert=parent_inserted or issubclass(parent, force_insert),
+                )
+                if not updated:
+                    inserted = True
+                updated_parents[parent] = updated
+            elif not parent_updated:
+                inserted = True
+            # Set the parent's PK value to self.
+            if field:
+                setattr(self, field.attname, self._get_pk_val(parent._meta))
+                # Since we didn't have an instance of the parent handy set
+                # attname directly, bypassing the descriptor. Invalidate
+                # the related object cache, in case it's been accidentally
+                # populated. A fresh instance will be re-built from the
+                # database if necessary.
+                if field.is_cached(self):
+                    field.delete_cached_value(self)
+        return inserted
+
+    def _save_table(
+        self,
+        raw=False,
+        cls=None,
+        force_insert=False,
+        force_update=False,
+        using=None,
+        update_fields=None,
+    ):
+        """
+        Do the heavy-lifting involved in saving. Update or insert the data
+        for a single table.
+        """
+        meta = cls._meta
+        non_pks_non_generated = [
+            f
+            for f in meta.local_concrete_fields
+            if not f.primary_key and not f.generated
+        ]
+
+        if update_fields:
+            non_pks_non_generated = [
+                f
+                for f in non_pks_non_generated
+                if f.name in update_fields or f.attname in update_fields
+            ]
+
+        pk_val = self._get_pk_val(meta)
+        if pk_val is None:
+            pk_val = meta.pk.get_pk_value_on_save(self)
+            setattr(self, meta.pk.attname, pk_val)
+        pk_set = pk_val is not None
+        if not pk_set and (force_update or update_fields):
+            raise ValueError("Cannot force an update in save() with no primary key.")
+        updated = False
+        # Skip an UPDATE when adding an instance and primary key has a default.
+        if (
+            not raw
+            and not force_insert
+            and self._state.adding
+            and (
+                (meta.pk.default and meta.pk.default is not NOT_PROVIDED)
+                or (meta.pk.db_default and meta.pk.db_default is not NOT_PROVIDED)
+            )
+        ):
+            force_insert = True
+        # If possible, try an UPDATE. If that doesn't update anything, do an INSERT.
+        if pk_set and not force_insert:
+            base_qs = cls._base_manager.using(using)
+            values = [
+                (
+                    f,
+                    None,
+                    (getattr(self, f.attname) if raw else f.pre_save(self, False)),
+                )
+                for f in non_pks_non_generated
+            ]
+            forced_update = update_fields or force_update
+            updated = self._do_update(
+                base_qs, using, pk_val, values, update_fields, forced_update
+            )
+            if force_update and not updated:
+                raise DatabaseError("Forced update did not affect any rows.")
+            if update_fields and not updated:
+                raise DatabaseError("Save with update_fields did not affect any rows.")
+        if not updated:
+            if meta.order_with_respect_to:
+                # If this is a model with an order_with_respect_to
+                # autopopulate the _order field
+                field = meta.order_with_respect_to
+                filter_args = field.get_filter_kwargs_for_object(self)
+                self._order = (
+                    cls._base_manager.using(using)
+                    .filter(**filter_args)
+                    .aggregate(
+                        _order__max=Coalesce(
+                            ExpressionWrapper(
+                                Max("_order") + Value(1), output_field=IntegerField()
+                            ),
+                            Value(0),
+                        ),
+                    )["_order__max"]
+                )
+            fields = [
+                f
+                for f in meta.local_concrete_fields
+                if not f.generated and (pk_set or f is not meta.auto_field)
+            ]
+            returning_fields = meta.db_returning_fields
+            results = self._do_insert(
+                cls._base_manager, using, fields, returning_fields, raw
+            )
+            if results:
+                for value, field in zip(results[0], returning_fields):
+                    setattr(self, field.attname, value)
+        return updated
+
+    def _do_update(self, base_qs, using, pk_val, values, update_fields, forced_update):
+        """
+        Try to update the model. Return True if the model was updated (if an
+        update query was done and a matching row was found in the DB).
+        """
+        filtered = base_qs.filter(pk=pk_val)
+        if not values:
+            # We can end up here when saving a model in inheritance chain where
+            # update_fields doesn't target any field in current model. In that
+            # case we just say the update succeeded. Another case ending up here
+            # is a model with just PK - in that case check that the PK still
+            # exists.
+            return update_fields is not None or filtered.exists()
+        if self._meta.select_on_save and not forced_update:
+            return (
+                filtered.exists()
+                and
+                # It may happen that the object is deleted from the DB right after
+                # this check, causing the subsequent UPDATE to return zero matching
+                # rows. The same result can occur in some rare cases when the
+                # database returns zero despite the UPDATE being executed
+                # successfully (a row is matched and updated). In order to
+                # distinguish these two cases, the object's existence in the
+                # database is again checked for if the UPDATE query returns 0.
+                (filtered._update(values) > 0 or filtered.exists())
+            )
+        return filtered._update(values) > 0
+
+    def _do_insert(self, manager, using, fields, returning_fields, raw):
+        """
+        Do an INSERT. If returning_fields is defined then this method should
+        return the newly created data for the model.
+        """
+        return manager._insert(
+            [self],
+            fields=fields,
+            returning_fields=returning_fields,
+            using=using,
+            raw=raw,
+        )
+
+    def _prepare_related_fields_for_save(self, operation_name, fields=None):
+        # Ensure that a model instance without a PK hasn't been assigned to
+        # a ForeignKey, GenericForeignKey or OneToOneField on this model. If
+        # the field is nullable, allowing the save would result in silent data
+        # loss.
+        for field in self._meta.concrete_fields:
+            if fields and field not in fields:
+                continue
+            # If the related field isn't cached, then an instance hasn't been
+            # assigned and there's no need to worry about this check.
+            if field.is_relation and field.is_cached(self):
+                obj = getattr(self, field.name, None)
+                if not obj:
+                    continue
+                # A pk may have been assigned manually to a model instance not
+                # saved to the database (or auto-generated in a case like
+                # UUIDField), but we allow the save to proceed and rely on the
+                # database to raise an IntegrityError if applicable. If
+                # constraints aren't supported by the database, there's the
+                # unavoidable risk of data corruption.
+                if obj.pk is None:
+                    # Remove the object from a related instance cache.
+                    if not field.remote_field.multiple:
+                        field.remote_field.delete_cached_value(obj)
+                    raise ValueError(
+                        "%s() prohibited to prevent data loss due to unsaved "
+                        "related object '%s'." % (operation_name, field.name)
+                    )
+                elif getattr(self, field.attname) in field.empty_values:
+                    # Set related object if it has been saved after an
+                    # assignment.
+                    setattr(self, field.name, obj)
+                # If the relationship's pk/to_field was changed, clear the
+                # cached relationship.
+                if getattr(obj, field.target_field.attname) != getattr(
+                    self, field.attname
+                ):
+                    field.delete_cached_value(self)
+        # GenericForeignKeys are private.
+        for field in self._meta.private_fields:
+            if fields and field not in fields:
+                continue
+            if (
+                field.is_relation
+                and field.is_cached(self)
+                and hasattr(field, "fk_field")
+            ):
+                obj = field.get_cached_value(self, default=None)
+                if obj and obj.pk is None:
+                    raise ValueError(
+                        f"{operation_name}() prohibited to prevent data loss due to "
+                        f"unsaved related object '{field.name}'."
+                    )
+
+    def delete(self, using=None, keep_parents=False):
+        if self.pk is None:
+            raise ValueError(
+                "%s object can't be deleted because its %s attribute is set "
+                "to None." % (self._meta.object_name, self._meta.pk.attname)
+            )
+        using = using or router.db_for_write(self.__class__, instance=self)
+        collector = Collector(using=using, origin=self)
+        collector.collect([self], keep_parents=keep_parents)
+        return collector.delete()
+
+    delete.alters_data = True
+
+    async def adelete(self, using=None, keep_parents=False):
+        return await sync_to_async(self.delete)(
+            using=using,
+            keep_parents=keep_parents,
+        )
+
+    adelete.alters_data = True
+
+    def _get_FIELD_display(self, field):
+        value = getattr(self, field.attname)
+        choices_dict = dict(make_hashable(field.flatchoices))
+        # force_str() to coerce lazy strings.
+        return force_str(
+            choices_dict.get(make_hashable(value), value), strings_only=True
+        )
+
+    def _get_next_or_previous_by_FIELD(self, field, is_next, **kwargs):
+        if not self.pk:
+            raise ValueError("get_next/get_previous cannot be used on unsaved objects.")
+        op = "gt" if is_next else "lt"
+        order = "" if is_next else "-"
+        param = getattr(self, field.attname)
+        q = Q.create([(field.name, param), (f"pk__{op}", self.pk)], connector=Q.AND)
+        q = Q.create([q, (f"{field.name}__{op}", param)], connector=Q.OR)
+        qs = (
+            self.__class__._default_manager.using(self._state.db)
+            .filter(**kwargs)
+            .filter(q)
+            .order_by("%s%s" % (order, field.name), "%spk" % order)
+        )
+        try:
+            return qs[0]
+        except IndexError:
+            raise self.DoesNotExist(
+                "%s matching query does not exist." % self.__class__._meta.object_name
+            )
+
+    def _get_next_or_previous_in_order(self, is_next):
+        cachename = "__%s_order_cache" % is_next
+        if not hasattr(self, cachename):
+            op = "gt" if is_next else "lt"
+            order = "_order" if is_next else "-_order"
+            order_field = self._meta.order_with_respect_to
+            filter_args = order_field.get_filter_kwargs_for_object(self)
+            obj = (
+                self.__class__._default_manager.filter(**filter_args)
+                .filter(
+                    **{
+                        "_order__%s"
+                        % op: self.__class__._default_manager.values("_order").filter(
+                            **{self._meta.pk.name: self.pk}
+                        )
+                    }
+                )
+                .order_by(order)[:1]
+                .get()
+            )
+            setattr(self, cachename, obj)
+        return getattr(self, cachename)
+
+    def _get_field_value_map(self, meta, exclude=None):
+        if exclude is None:
+            exclude = set()
+        meta = meta or self._meta
+        field_map = {
+            field.name: Value(getattr(self, field.attname), field)
+            for field in meta.local_concrete_fields
+            if field.name not in exclude
+        }
+        if "pk" not in exclude:
+            field_map["pk"] = Value(self.pk, meta.pk)
+        return field_map
+
+    def prepare_database_save(self, field):
+        if self.pk is None:
+            raise ValueError(
+                "Unsaved model instance %r cannot be used in an ORM query." % self
+            )
+        return getattr(self, field.remote_field.get_related_field().attname)
+
+    def clean(self):
+        """
+        Hook for doing any extra model-wide validation after clean() has been
+        called on every field by self.clean_fields. Any ValidationError raised
+        by this method will not be associated with a particular field; it will
+        have a special-case association with the field defined by NON_FIELD_ERRORS.
+        """
+        pass
+
+    def validate_unique(self, exclude=None):
+        """
+        Check unique constraints on the model and raise ValidationError if any
+        failed.
+        """
+        unique_checks, date_checks = self._get_unique_checks(exclude=exclude)
+
+        errors = self._perform_unique_checks(unique_checks)
+        date_errors = self._perform_date_checks(date_checks)
+
+        for k, v in date_errors.items():
+            errors.setdefault(k, []).extend(v)
+
+        if errors:
+            raise ValidationError(errors)
+
+    def _get_unique_checks(self, exclude=None, include_meta_constraints=False):
+        """
+        Return a list of checks to perform. Since validate_unique() could be
+        called from a ModelForm, some fields may have been excluded; we can't
+        perform a unique check on a model that is missing fields involved
+        in that check. Fields that did not validate should also be excluded,
+        but they need to be passed in via the exclude argument.
+        """
+        if exclude is None:
+            exclude = set()
+        unique_checks = []
+
+        unique_togethers = [(self.__class__, self._meta.unique_together)]
+        constraints = []
+        if include_meta_constraints:
+            constraints = [(self.__class__, self._meta.total_unique_constraints)]
+        for parent_class in self._meta.get_parent_list():
+            if parent_class._meta.unique_together:
+                unique_togethers.append(
+                    (parent_class, parent_class._meta.unique_together)
+                )
+            if include_meta_constraints and parent_class._meta.total_unique_constraints:
+                constraints.append(
+                    (parent_class, parent_class._meta.total_unique_constraints)
+                )
+
+        for model_class, unique_together in unique_togethers:
+            for check in unique_together:
+                if not any(name in exclude for name in check):
+                    # Add the check if the field isn't excluded.
+                    unique_checks.append((model_class, tuple(check)))
+
+        if include_meta_constraints:
+            for model_class, model_constraints in constraints:
+                for constraint in model_constraints:
+                    if not any(name in exclude for name in constraint.fields):
+                        unique_checks.append((model_class, constraint.fields))
+
+        # These are checks for the unique_for_<date/year/month>.
+        date_checks = []
+
+        # Gather a list of checks for fields declared as unique and add them to
+        # the list of checks.
+
+        fields_with_class = [(self.__class__, self._meta.local_fields)]
+        for parent_class in self._meta.get_parent_list():
+            fields_with_class.append((parent_class, parent_class._meta.local_fields))
+
+        for model_class, fields in fields_with_class:
+            for f in fields:
+                name = f.name
+                if name in exclude:
+                    continue
+                if f.unique:
+                    unique_checks.append((model_class, (name,)))
+                if f.unique_for_date and f.unique_for_date not in exclude:
+                    date_checks.append((model_class, "date", name, f.unique_for_date))
+                if f.unique_for_year and f.unique_for_year not in exclude:
+                    date_checks.append((model_class, "year", name, f.unique_for_year))
+                if f.unique_for_month and f.unique_for_month not in exclude:
+                    date_checks.append((model_class, "month", name, f.unique_for_month))
+        return unique_checks, date_checks
+
+    def _perform_unique_checks(self, unique_checks):
+        errors = {}
+
+        for model_class, unique_check in unique_checks:
+            # Try to look up an existing object with the same values as this
+            # object's values for all the unique field.
+
+            lookup_kwargs = {}
+            for field_name in unique_check:
+                f = self._meta.get_field(field_name)
+                lookup_value = getattr(self, f.attname)
+                # TODO: Handle multiple backends with different feature flags.
+                if lookup_value is None or (
+                    lookup_value == ""
+                    and connection.features.interprets_empty_strings_as_nulls
+                ):
+                    # no value, skip the lookup
+                    continue
+                if f.primary_key and not self._state.adding:
+                    # no need to check for unique primary key when editing
+                    continue
+                lookup_kwargs[str(field_name)] = lookup_value
+
+            # some fields were skipped, no reason to do the check
+            if len(unique_check) != len(lookup_kwargs):
+                continue
+
+            qs = model_class._default_manager.filter(**lookup_kwargs)
+
+            # Exclude the current object from the query if we are editing an
+            # instance (as opposed to creating a new one)
+            # Note that we need to use the pk as defined by model_class, not
+            # self.pk. These can be different fields because model inheritance
+            # allows single model to have effectively multiple primary keys.
+            # Refs #17615.
+            model_class_pk = self._get_pk_val(model_class._meta)
+            if not self._state.adding and model_class_pk is not None:
+                qs = qs.exclude(pk=model_class_pk)
+            if qs.exists():
+                if len(unique_check) == 1:
+                    key = unique_check[0]
+                else:
+                    key = NON_FIELD_ERRORS
+                errors.setdefault(key, []).append(
+                    self.unique_error_message(model_class, unique_check)
+                )
+
+        return errors
+
+    def _perform_date_checks(self, date_checks):
+        errors = {}
+        for model_class, lookup_type, field, unique_for in date_checks:
+            lookup_kwargs = {}
+            # there's a ticket to add a date lookup, we can remove this special
+            # case if that makes it's way in
+            date = getattr(self, unique_for)
+            if date is None:
+                continue
+            if lookup_type == "date":
+                lookup_kwargs["%s__day" % unique_for] = date.day
+                lookup_kwargs["%s__month" % unique_for] = date.month
+                lookup_kwargs["%s__year" % unique_for] = date.year
+            else:
+                lookup_kwargs["%s__%s" % (unique_for, lookup_type)] = getattr(
+                    date, lookup_type
+                )
+            lookup_kwargs[field] = getattr(self, field)
+
+            qs = model_class._default_manager.filter(**lookup_kwargs)
+            # Exclude the current object from the query if we are editing an
+            # instance (as opposed to creating a new one)
+            if not self._state.adding and self.pk is not None:
+                qs = qs.exclude(pk=self.pk)
+
+            if qs.exists():
+                errors.setdefault(field, []).append(
+                    self.date_error_message(lookup_type, field, unique_for)
+                )
+        return errors
+
+    def date_error_message(self, lookup_type, field_name, unique_for):
+        opts = self._meta
+        field = opts.get_field(field_name)
+        return ValidationError(
+            message=field.error_messages["unique_for_date"],
+            code="unique_for_date",
+            params={
+                "model": self,
+                "model_name": capfirst(opts.verbose_name),
+                "lookup_type": lookup_type,
+                "field": field_name,
+                "field_label": capfirst(field.verbose_name),
+                "date_field": unique_for,
+                "date_field_label": capfirst(opts.get_field(unique_for).verbose_name),
+            },
+        )
+
+    def unique_error_message(self, model_class, unique_check):
+        opts = model_class._meta
+
+        params = {
+            "model": self,
+            "model_class": model_class,
+            "model_name": capfirst(opts.verbose_name),
+            "unique_check": unique_check,
+        }
+
+        # A unique field
+        if len(unique_check) == 1:
+            field = opts.get_field(unique_check[0])
+            params["field_label"] = capfirst(field.verbose_name)
+            return ValidationError(
+                message=field.error_messages["unique"],
+                code="unique",
+                params=params,
+            )
+
+        # unique_together
+        else:
+            field_labels = [
+                capfirst(opts.get_field(f).verbose_name) for f in unique_check
+            ]
+            params["field_labels"] = get_text_list(field_labels, _("and"))
+            return ValidationError(
+                message=_("%(model_name)s with this %(field_labels)s already exists."),
+                code="unique_together",
+                params=params,
+            )
+
+    def get_constraints(self):
+        constraints = [(self.__class__, self._meta.constraints)]
+        for parent_class in self._meta.get_parent_list():
+            if parent_class._meta.constraints:
+                constraints.append((parent_class, parent_class._meta.constraints))
+        return constraints
+
+    def validate_constraints(self, exclude=None):
+        constraints = self.get_constraints()
+        using = router.db_for_write(self.__class__, instance=self)
+
+        errors = {}
+        for model_class, model_constraints in constraints:
+            for constraint in model_constraints:
+                try:
+                    constraint.validate(model_class, self, exclude=exclude, using=using)
+                except ValidationError as e:
+                    if (
+                        getattr(e, "code", None) == "unique"
+                        and len(constraint.fields) == 1
+                    ):
+                        errors.setdefault(constraint.fields[0], []).append(e)
+                    else:
+                        errors = e.update_error_dict(errors)
+        if errors:
+            raise ValidationError(errors)
+
+    def full_clean(self, exclude=None, validate_unique=True, validate_constraints=True):
+        """
+        Call clean_fields(), clean(), validate_unique(), and
+        validate_constraints() on the model. Raise a ValidationError for any
+        errors that occur.
+        """
+        errors = {}
+        if exclude is None:
+            exclude = set()
+        else:
+            exclude = set(exclude)
+
+        try:
+            self.clean_fields(exclude=exclude)
+        except ValidationError as e:
+            errors = e.update_error_dict(errors)
+
+        # Form.clean() is run even if other validation fails, so do the
+        # same with Model.clean() for consistency.
+        try:
+            self.clean()
+        except ValidationError as e:
+            errors = e.update_error_dict(errors)
+
+        # Run unique checks, but only for fields that passed validation.
+        if validate_unique:
+            for name in errors:
+                if name != NON_FIELD_ERRORS and name not in exclude:
+                    exclude.add(name)
+            try:
+                self.validate_unique(exclude=exclude)
+            except ValidationError as e:
+                errors = e.update_error_dict(errors)
+
+        # Run constraints checks, but only for fields that passed validation.
+        if validate_constraints:
+            for name in errors:
+                if name != NON_FIELD_ERRORS and name not in exclude:
+                    exclude.add(name)
+            try:
+                self.validate_constraints(exclude=exclude)
+            except ValidationError as e:
+                errors = e.update_error_dict(errors)
+
+        if errors:
+            raise ValidationError(errors)
+
+    def clean_fields(self, exclude=None):
+        """
+        Clean all fields and raise a ValidationError containing a dict
+        of all validation errors if any occur.
+        """
+        if exclude is None:
+            exclude = set()
+
+        errors = {}
+        for f in self._meta.fields:
+            if f.name in exclude or f.generated:
+                continue
+            # Skip validation for empty fields with blank=True. The developer
+            # is responsible for making sure they have a valid value.
+            raw_value = getattr(self, f.attname)
+            if f.blank and raw_value in f.empty_values:
+                continue
+            # Skip validation for empty fields when db_default is used.
+            if isinstance(raw_value, DatabaseDefault):
+                continue
+            try:
+                setattr(self, f.attname, f.clean(raw_value, self))
+            except ValidationError as e:
+                errors[f.name] = e.error_list
+
+        if errors:
+            raise ValidationError(errors)
+
+    @classmethod
+    def check(cls, **kwargs):
+        errors = [
+            *cls._check_swappable(),
+            *cls._check_model(),
+            *cls._check_managers(**kwargs),
+        ]
+        if not cls._meta.swapped:
+            databases = kwargs.get("databases") or []
+            errors += [
+                *cls._check_fields(**kwargs),
+                *cls._check_m2m_through_same_relationship(),
+                *cls._check_long_column_names(databases),
+            ]
+            clash_errors = (
+                *cls._check_id_field(),
+                *cls._check_field_name_clashes(),
+                *cls._check_model_name_db_lookup_clashes(),
+                *cls._check_property_name_related_field_accessor_clashes(),
+                *cls._check_single_primary_key(),
+            )
+            errors.extend(clash_errors)
+            # If there are field name clashes, hide consequent column name
+            # clashes.
+            if not clash_errors:
+                errors.extend(cls._check_column_name_clashes())
+            errors += [
+                *cls._check_index_together(),
+                *cls._check_unique_together(),
+                *cls._check_indexes(databases),
+                *cls._check_ordering(),
+                *cls._check_constraints(databases),
+                *cls._check_default_pk(),
+                *cls._check_db_table_comment(databases),
+            ]
+
+        return errors
+
+    @classmethod
+    def _check_default_pk(cls):
+        if (
+            not cls._meta.abstract
+            and cls._meta.pk.auto_created
+            and
+            # Inherited PKs are checked in parents models.
+            not (
+                isinstance(cls._meta.pk, OneToOneField)
+                and cls._meta.pk.remote_field.parent_link
+            )
+            and not settings.is_overridden("DEFAULT_AUTO_FIELD")
+            and cls._meta.app_config
+            and not cls._meta.app_config._is_default_auto_field_overridden
+        ):
+            return [
+                checks.Warning(
+                    f"Auto-created primary key used when not defining a "
+                    f"primary key type, by default "
+                    f"'{settings.DEFAULT_AUTO_FIELD}'.",
+                    hint=(
+                        f"Configure the DEFAULT_AUTO_FIELD setting or the "
+                        f"{cls._meta.app_config.__class__.__qualname__}."
+                        f"default_auto_field attribute to point to a subclass "
+                        f"of AutoField, e.g. 'django.db.models.BigAutoField'."
+                    ),
+                    obj=cls,
+                    id="models.W042",
+                ),
+            ]
+        return []
+
+    @classmethod
+    def _check_db_table_comment(cls, databases):
+        if not cls._meta.db_table_comment:
+            return []
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, cls):
+                continue
+            connection = connections[db]
+            if not (
+                connection.features.supports_comments
+                or "supports_comments" in cls._meta.required_db_features
+            ):
+                errors.append(
+                    checks.Warning(
+                        f"{connection.display_name} does not support comments on "
+                        f"tables (db_table_comment).",
+                        obj=cls,
+                        id="models.W046",
+                    )
+                )
+        return errors
+
+    @classmethod
+    def _check_swappable(cls):
+        """Check if the swapped model exists."""
+        errors = []
+        if cls._meta.swapped:
+            try:
+                apps.get_model(cls._meta.swapped)
+            except ValueError:
+                errors.append(
+                    checks.Error(
+                        "'%s' is not of the form 'app_label.app_name'."
+                        % cls._meta.swappable,
+                        id="models.E001",
+                    )
+                )
+            except LookupError:
+                app_label, model_name = cls._meta.swapped.split(".")
+                errors.append(
+                    checks.Error(
+                        "'%s' references '%s.%s', which has not been "
+                        "installed, or is abstract."
+                        % (cls._meta.swappable, app_label, model_name),
+                        id="models.E002",
+                    )
+                )
+        return errors
+
+    @classmethod
+    def _check_model(cls):
+        errors = []
+        if cls._meta.proxy:
+            if cls._meta.local_fields or cls._meta.local_many_to_many:
+                errors.append(
+                    checks.Error(
+                        "Proxy model '%s' contains model fields." % cls.__name__,
+                        id="models.E017",
+                    )
+                )
+        return errors
+
+    @classmethod
+    def _check_managers(cls, **kwargs):
+        """Perform all manager checks."""
+        errors = []
+        for manager in cls._meta.managers:
+            errors.extend(manager.check(**kwargs))
+        return errors
+
+    @classmethod
+    def _check_fields(cls, **kwargs):
+        """Perform all field checks."""
+        errors = []
+        for field in cls._meta.local_fields:
+            errors.extend(field.check(**kwargs))
+        for field in cls._meta.local_many_to_many:
+            errors.extend(field.check(from_model=cls, **kwargs))
+        return errors
+
+    @classmethod
+    def _check_m2m_through_same_relationship(cls):
+        """Check if no relationship model is used by more than one m2m field."""
+
+        errors = []
+        seen_intermediary_signatures = []
+
+        fields = cls._meta.local_many_to_many
+
+        # Skip when the target model wasn't found.
+        fields = (f for f in fields if isinstance(f.remote_field.model, ModelBase))
+
+        # Skip when the relationship model wasn't found.
+        fields = (f for f in fields if isinstance(f.remote_field.through, ModelBase))
+
+        for f in fields:
+            signature = (
+                f.remote_field.model,
+                cls,
+                f.remote_field.through,
+                f.remote_field.through_fields,
+            )
+            if signature in seen_intermediary_signatures:
+                errors.append(
+                    checks.Error(
+                        "The model has two identical many-to-many relations "
+                        "through the intermediate model '%s'."
+                        % f.remote_field.through._meta.label,
+                        obj=cls,
+                        id="models.E003",
+                    )
+                )
+            else:
+                seen_intermediary_signatures.append(signature)
+        return errors
+
+    @classmethod
+    def _check_id_field(cls):
+        """Check if `id` field is a primary key."""
+        fields = [
+            f for f in cls._meta.local_fields if f.name == "id" and f != cls._meta.pk
+        ]
+        # fields is empty or consists of the invalid "id" field
+        if fields and not fields[0].primary_key and cls._meta.pk.name == "id":
+            return [
+                checks.Error(
+                    "'id' can only be used as a field name if the field also "
+                    "sets 'primary_key=True'.",
+                    obj=cls,
+                    id="models.E004",
+                )
+            ]
+        else:
+            return []
+
+    @classmethod
+    def _check_field_name_clashes(cls):
+        """Forbid field shadowing in multi-table inheritance."""
+        errors = []
+        used_fields = {}  # name or attname -> field
+
+        # Check that multi-inheritance doesn't cause field name shadowing.
+        for parent in cls._meta.get_parent_list():
+            for f in parent._meta.local_fields:
+                clash = used_fields.get(f.name) or used_fields.get(f.attname) or None
+                if clash:
+                    errors.append(
+                        checks.Error(
+                            "The field '%s' from parent model "
+                            "'%s' clashes with the field '%s' "
+                            "from parent model '%s'."
+                            % (clash.name, clash.model._meta, f.name, f.model._meta),
+                            obj=cls,
+                            id="models.E005",
+                        )
+                    )
+                used_fields[f.name] = f
+                used_fields[f.attname] = f
+
+        # Check that fields defined in the model don't clash with fields from
+        # parents, including auto-generated fields like multi-table inheritance
+        # child accessors.
+        for parent in cls._meta.get_parent_list():
+            for f in parent._meta.get_fields():
+                if f not in used_fields:
+                    used_fields[f.name] = f
+
+        # Check that parent links in diamond-shaped MTI models don't clash.
+        for parent_link in cls._meta.parents.values():
+            if not parent_link:
+                continue
+            clash = used_fields.get(parent_link.name) or None
+            if clash:
+                errors.append(
+                    checks.Error(
+                        f"The field '{parent_link.name}' clashes with the field "
+                        f"'{clash.name}' from model '{clash.model._meta}'.",
+                        obj=cls,
+                        id="models.E006",
+                    )
+                )
+
+        for f in cls._meta.local_fields:
+            clash = used_fields.get(f.name) or used_fields.get(f.attname) or None
+            # Note that we may detect clash between user-defined non-unique
+            # field "id" and automatically added unique field "id", both
+            # defined at the same model. This special case is considered in
+            # _check_id_field and here we ignore it.
+            id_conflict = (
+                f.name == "id" and clash and clash.name == "id" and clash.model == cls
+            )
+            if clash and not id_conflict:
+                errors.append(
+                    checks.Error(
+                        "The field '%s' clashes with the field '%s' "
+                        "from model '%s'." % (f.name, clash.name, clash.model._meta),
+                        obj=f,
+                        id="models.E006",
+                    )
+                )
+            used_fields[f.name] = f
+            used_fields[f.attname] = f
+
+        return errors
+
+    @classmethod
+    def _check_column_name_clashes(cls):
+        # Store a list of column names which have already been used by other fields.
+        used_column_names = []
+        errors = []
+
+        for f in cls._meta.local_fields:
+            _, column_name = f.get_attname_column()
+
+            # Ensure the column name is not already in use.
+            if column_name and column_name in used_column_names:
+                errors.append(
+                    checks.Error(
+                        "Field '%s' has column name '%s' that is used by "
+                        "another field." % (f.name, column_name),
+                        hint="Specify a 'db_column' for the field.",
+                        obj=cls,
+                        id="models.E007",
+                    )
+                )
+            else:
+                used_column_names.append(column_name)
+
+        return errors
+
+    @classmethod
+    def _check_model_name_db_lookup_clashes(cls):
+        errors = []
+        model_name = cls.__name__
+        if model_name.startswith("_") or model_name.endswith("_"):
+            errors.append(
+                checks.Error(
+                    "The model name '%s' cannot start or end with an underscore "
+                    "as it collides with the query lookup syntax." % model_name,
+                    obj=cls,
+                    id="models.E023",
+                )
+            )
+        elif LOOKUP_SEP in model_name:
+            errors.append(
+                checks.Error(
+                    "The model name '%s' cannot contain double underscores as "
+                    "it collides with the query lookup syntax." % model_name,
+                    obj=cls,
+                    id="models.E024",
+                )
+            )
+        return errors
+
+    @classmethod
+    def _check_property_name_related_field_accessor_clashes(cls):
+        errors = []
+        property_names = cls._meta._property_names
+        related_field_accessors = (
+            f.get_attname()
+            for f in cls._meta._get_fields(reverse=False)
+            if f.is_relation and f.related_model is not None
+        )
+        for accessor in related_field_accessors:
+            if accessor in property_names:
+                errors.append(
+                    checks.Error(
+                        "The property '%s' clashes with a related field "
+                        "accessor." % accessor,
+                        obj=cls,
+                        id="models.E025",
+                    )
+                )
+        return errors
+
+    @classmethod
+    def _check_single_primary_key(cls):
+        errors = []
+        if sum(1 for f in cls._meta.local_fields if f.primary_key) > 1:
+            errors.append(
+                checks.Error(
+                    "The model cannot have more than one field with "
+                    "'primary_key=True'.",
+                    obj=cls,
+                    id="models.E026",
+                )
+            )
+        return errors
+
+    # RemovedInDjango51Warning.
+    @classmethod
+    def _check_index_together(cls):
+        """Check the value of "index_together" option."""
+        if not isinstance(cls._meta.index_together, (tuple, list)):
+            return [
+                checks.Error(
+                    "'index_together' must be a list or tuple.",
+                    obj=cls,
+                    id="models.E008",
+                )
+            ]
+
+        elif any(
+            not isinstance(fields, (tuple, list)) for fields in cls._meta.index_together
+        ):
+            return [
+                checks.Error(
+                    "All 'index_together' elements must be lists or tuples.",
+                    obj=cls,
+                    id="models.E009",
+                )
+            ]
+
+        else:
+            errors = []
+            for fields in cls._meta.index_together:
+                errors.extend(cls._check_local_fields(fields, "index_together"))
+            return errors
+
+    @classmethod
+    def _check_unique_together(cls):
+        """Check the value of "unique_together" option."""
+        if not isinstance(cls._meta.unique_together, (tuple, list)):
+            return [
+                checks.Error(
+                    "'unique_together' must be a list or tuple.",
+                    obj=cls,
+                    id="models.E010",
+                )
+            ]
+
+        elif any(
+            not isinstance(fields, (tuple, list))
+            for fields in cls._meta.unique_together
+        ):
+            return [
+                checks.Error(
+                    "All 'unique_together' elements must be lists or tuples.",
+                    obj=cls,
+                    id="models.E011",
+                )
+            ]
+
+        else:
+            errors = []
+            for fields in cls._meta.unique_together:
+                errors.extend(cls._check_local_fields(fields, "unique_together"))
+            return errors
+
+    @classmethod
+    def _check_indexes(cls, databases):
+        """Check fields, names, and conditions of indexes."""
+        errors = []
+        references = set()
+        for index in cls._meta.indexes:
+            # Index name can't start with an underscore or a number, restricted
+            # for cross-database compatibility with Oracle.
+            if index.name[0] == "_" or index.name[0].isdigit():
+                errors.append(
+                    checks.Error(
+                        "The index name '%s' cannot start with an underscore "
+                        "or a number." % index.name,
+                        obj=cls,
+                        id="models.E033",
+                    ),
+                )
+            if len(index.name) > index.max_name_length:
+                errors.append(
+                    checks.Error(
+                        "The index name '%s' cannot be longer than %d "
+                        "characters." % (index.name, index.max_name_length),
+                        obj=cls,
+                        id="models.E034",
+                    ),
+                )
+            if index.contains_expressions:
+                for expression in index.expressions:
+                    references.update(
+                        ref[0] for ref in cls._get_expr_references(expression)
+                    )
+        for db in databases:
+            if not router.allow_migrate_model(db, cls):
+                continue
+            connection = connections[db]
+            if not (
+                connection.features.supports_partial_indexes
+                or "supports_partial_indexes" in cls._meta.required_db_features
+            ) and any(index.condition is not None for index in cls._meta.indexes):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support indexes with conditions."
+                        % connection.display_name,
+                        hint=(
+                            "Conditions will be ignored. Silence this warning "
+                            "if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W037",
+                    )
+                )
+            if not (
+                connection.features.supports_covering_indexes
+                or "supports_covering_indexes" in cls._meta.required_db_features
+            ) and any(index.include for index in cls._meta.indexes):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support indexes with non-key columns."
+                        % connection.display_name,
+                        hint=(
+                            "Non-key columns will be ignored. Silence this "
+                            "warning if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W040",
+                    )
+                )
+            if not (
+                connection.features.supports_expression_indexes
+                or "supports_expression_indexes" in cls._meta.required_db_features
+            ) and any(index.contains_expressions for index in cls._meta.indexes):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support indexes on expressions."
+                        % connection.display_name,
+                        hint=(
+                            "An index won't be created. Silence this warning "
+                            "if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W043",
+                    )
+                )
+        fields = [
+            field for index in cls._meta.indexes for field, _ in index.fields_orders
+        ]
+        fields += [include for index in cls._meta.indexes for include in index.include]
+        fields += references
+        errors.extend(cls._check_local_fields(fields, "indexes"))
+        return errors
+
+    @classmethod
+    def _check_local_fields(cls, fields, option):
+        from django.db import models
+
+        # In order to avoid hitting the relation tree prematurely, we use our
+        # own fields_map instead of using get_field()
+        forward_fields_map = {}
+        for field in cls._meta._get_fields(reverse=False):
+            forward_fields_map[field.name] = field
+            if hasattr(field, "attname"):
+                forward_fields_map[field.attname] = field
+
+        errors = []
+        for field_name in fields:
+            try:
+                field = forward_fields_map[field_name]
+            except KeyError:
+                errors.append(
+                    checks.Error(
+                        "'%s' refers to the nonexistent field '%s'."
+                        % (
+                            option,
+                            field_name,
+                        ),
+                        obj=cls,
+                        id="models.E012",
+                    )
+                )
+            else:
+                if isinstance(field.remote_field, models.ManyToManyRel):
+                    errors.append(
+                        checks.Error(
+                            "'%s' refers to a ManyToManyField '%s', but "
+                            "ManyToManyFields are not permitted in '%s'."
+                            % (
+                                option,
+                                field_name,
+                                option,
+                            ),
+                            obj=cls,
+                            id="models.E013",
+                        )
+                    )
+                elif field not in cls._meta.local_fields:
+                    errors.append(
+                        checks.Error(
+                            "'%s' refers to field '%s' which is not local to model "
+                            "'%s'." % (option, field_name, cls._meta.object_name),
+                            hint="This issue may be caused by multi-table inheritance.",
+                            obj=cls,
+                            id="models.E016",
+                        )
+                    )
+        return errors
+
+    @classmethod
+    def _check_ordering(cls):
+        """
+        Check "ordering" option -- is it a list of strings and do all fields
+        exist?
+        """
+        if cls._meta._ordering_clash:
+            return [
+                checks.Error(
+                    "'ordering' and 'order_with_respect_to' cannot be used together.",
+                    obj=cls,
+                    id="models.E021",
+                ),
+            ]
+
+        if cls._meta.order_with_respect_to or not cls._meta.ordering:
+            return []
+
+        if not isinstance(cls._meta.ordering, (list, tuple)):
+            return [
+                checks.Error(
+                    "'ordering' must be a tuple or list (even if you want to order by "
+                    "only one field).",
+                    obj=cls,
+                    id="models.E014",
+                )
+            ]
+
+        errors = []
+        fields = cls._meta.ordering
+
+        # Skip expressions and '?' fields.
+        fields = (f for f in fields if isinstance(f, str) and f != "?")
+
+        # Convert "-field" to "field".
+        fields = (f.removeprefix("-") for f in fields)
+
+        # Separate related fields and non-related fields.
+        _fields = []
+        related_fields = []
+        for f in fields:
+            if LOOKUP_SEP in f:
+                related_fields.append(f)
+            else:
+                _fields.append(f)
+        fields = _fields
+
+        # Check related fields.
+        for field in related_fields:
+            _cls = cls
+            fld = None
+            for part in field.split(LOOKUP_SEP):
+                try:
+                    # pk is an alias that won't be found by opts.get_field.
+                    if part == "pk":
+                        fld = _cls._meta.pk
+                    else:
+                        fld = _cls._meta.get_field(part)
+                    if fld.is_relation:
+                        _cls = fld.path_infos[-1].to_opts.model
+                    else:
+                        _cls = None
+                except (FieldDoesNotExist, AttributeError):
+                    if fld is None or (
+                        fld.get_transform(part) is None and fld.get_lookup(part) is None
+                    ):
+                        errors.append(
+                            checks.Error(
+                                "'ordering' refers to the nonexistent field, "
+                                "related field, or lookup '%s'." % field,
+                                obj=cls,
+                                id="models.E015",
+                            )
+                        )
+
+        # Skip ordering on pk. This is always a valid order_by field
+        # but is an alias and therefore won't be found by opts.get_field.
+        fields = {f for f in fields if f != "pk"}
+
+        # Check for invalid or nonexistent fields in ordering.
+        invalid_fields = []
+
+        # Any field name that is not present in field_names does not exist.
+        # Also, ordering by m2m fields is not allowed.
+        opts = cls._meta
+        valid_fields = set(
+            chain.from_iterable(
+                (
+                    (f.name, f.attname)
+                    if not (f.auto_created and not f.concrete)
+                    else (f.field.related_query_name(),)
+                )
+                for f in chain(opts.fields, opts.related_objects)
+            )
+        )
+
+        invalid_fields.extend(fields - valid_fields)
+
+        for invalid_field in invalid_fields:
+            errors.append(
+                checks.Error(
+                    "'ordering' refers to the nonexistent field, related "
+                    "field, or lookup '%s'." % invalid_field,
+                    obj=cls,
+                    id="models.E015",
+                )
+            )
+        return errors
+
+    @classmethod
+    def _check_long_column_names(cls, databases):
+        """
+        Check that any auto-generated column names are shorter than the limits
+        for each database in which the model will be created.
+        """
+        if not databases:
+            return []
+        errors = []
+        allowed_len = None
+        db_alias = None
+
+        # Find the minimum max allowed length among all specified db_aliases.
+        for db in databases:
+            # skip databases where the model won't be created
+            if not router.allow_migrate_model(db, cls):
+                continue
+            connection = connections[db]
+            max_name_length = connection.ops.max_name_length()
+            if max_name_length is None or connection.features.truncates_names:
+                continue
+            else:
+                if allowed_len is None:
+                    allowed_len = max_name_length
+                    db_alias = db
+                elif max_name_length < allowed_len:
+                    allowed_len = max_name_length
+                    db_alias = db
+
+        if allowed_len is None:
+            return errors
+
+        for f in cls._meta.local_fields:
+            _, column_name = f.get_attname_column()
+
+            # Check if auto-generated name for the field is too long
+            # for the database.
+            if (
+                f.db_column is None
+                and column_name is not None
+                and len(column_name) > allowed_len
+            ):
+                errors.append(
+                    checks.Error(
+                        'Autogenerated column name too long for field "%s". '
+                        'Maximum length is "%s" for database "%s".'
+                        % (column_name, allowed_len, db_alias),
+                        hint="Set the column name manually using 'db_column'.",
+                        obj=cls,
+                        id="models.E018",
+                    )
+                )
+
+        for f in cls._meta.local_many_to_many:
+            # Skip nonexistent models.
+            if isinstance(f.remote_field.through, str):
+                continue
+
+            # Check if auto-generated name for the M2M field is too long
+            # for the database.
+            for m2m in f.remote_field.through._meta.local_fields:
+                _, rel_name = m2m.get_attname_column()
+                if (
+                    m2m.db_column is None
+                    and rel_name is not None
+                    and len(rel_name) > allowed_len
+                ):
+                    errors.append(
+                        checks.Error(
+                            "Autogenerated column name too long for M2M field "
+                            '"%s". Maximum length is "%s" for database "%s".'
+                            % (rel_name, allowed_len, db_alias),
+                            hint=(
+                                "Use 'through' to create a separate model for "
+                                "M2M and then set column_name using 'db_column'."
+                            ),
+                            obj=cls,
+                            id="models.E019",
+                        )
+                    )
+
+        return errors
+
+    @classmethod
+    def _get_expr_references(cls, expr):
+        if isinstance(expr, Q):
+            for child in expr.children:
+                if isinstance(child, tuple):
+                    lookup, value = child
+                    yield tuple(lookup.split(LOOKUP_SEP))
+                    yield from cls._get_expr_references(value)
+                else:
+                    yield from cls._get_expr_references(child)
+        elif isinstance(expr, F):
+            yield tuple(expr.name.split(LOOKUP_SEP))
+        elif hasattr(expr, "get_source_expressions"):
+            for src_expr in expr.get_source_expressions():
+                yield from cls._get_expr_references(src_expr)
+
+    @classmethod
+    def _check_constraints(cls, databases):
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, cls):
+                continue
+            connection = connections[db]
+            if not (
+                connection.features.supports_table_check_constraints
+                or "supports_table_check_constraints" in cls._meta.required_db_features
+            ) and any(
+                isinstance(constraint, CheckConstraint)
+                for constraint in cls._meta.constraints
+            ):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support check constraints."
+                        % connection.display_name,
+                        hint=(
+                            "A constraint won't be created. Silence this "
+                            "warning if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W027",
+                    )
+                )
+            if not (
+                connection.features.supports_partial_indexes
+                or "supports_partial_indexes" in cls._meta.required_db_features
+            ) and any(
+                isinstance(constraint, UniqueConstraint)
+                and constraint.condition is not None
+                for constraint in cls._meta.constraints
+            ):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support unique constraints with "
+                        "conditions." % connection.display_name,
+                        hint=(
+                            "A constraint won't be created. Silence this "
+                            "warning if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W036",
+                    )
+                )
+            if not (
+                connection.features.supports_deferrable_unique_constraints
+                or "supports_deferrable_unique_constraints"
+                in cls._meta.required_db_features
+            ) and any(
+                isinstance(constraint, UniqueConstraint)
+                and constraint.deferrable is not None
+                for constraint in cls._meta.constraints
+            ):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support deferrable unique constraints."
+                        % connection.display_name,
+                        hint=(
+                            "A constraint won't be created. Silence this "
+                            "warning if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W038",
+                    )
+                )
+            if not (
+                connection.features.supports_covering_indexes
+                or "supports_covering_indexes" in cls._meta.required_db_features
+            ) and any(
+                isinstance(constraint, UniqueConstraint) and constraint.include
+                for constraint in cls._meta.constraints
+            ):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support unique constraints with non-key "
+                        "columns." % connection.display_name,
+                        hint=(
+                            "A constraint won't be created. Silence this "
+                            "warning if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W039",
+                    )
+                )
+            if not (
+                connection.features.supports_expression_indexes
+                or "supports_expression_indexes" in cls._meta.required_db_features
+            ) and any(
+                isinstance(constraint, UniqueConstraint)
+                and constraint.contains_expressions
+                for constraint in cls._meta.constraints
+            ):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support unique constraints on "
+                        "expressions." % connection.display_name,
+                        hint=(
+                            "A constraint won't be created. Silence this "
+                            "warning if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W044",
+                    )
+                )
+            if not (
+                connection.features.supports_nulls_distinct_unique_constraints
+                or (
+                    "supports_nulls_distinct_unique_constraints"
+                    in cls._meta.required_db_features
+                )
+            ) and any(
+                isinstance(constraint, UniqueConstraint)
+                and constraint.nulls_distinct is not None
+                for constraint in cls._meta.constraints
+            ):
+                errors.append(
+                    checks.Warning(
+                        "%s does not support unique constraints with "
+                        "nulls distinct." % connection.display_name,
+                        hint=(
+                            "A constraint won't be created. Silence this "
+                            "warning if you don't care about it."
+                        ),
+                        obj=cls,
+                        id="models.W047",
+                    )
+                )
+            fields = set(
+                chain.from_iterable(
+                    (*constraint.fields, *constraint.include)
+                    for constraint in cls._meta.constraints
+                    if isinstance(constraint, UniqueConstraint)
+                )
+            )
+            references = set()
+            for constraint in cls._meta.constraints:
+                if isinstance(constraint, UniqueConstraint):
+                    if (
+                        connection.features.supports_partial_indexes
+                        or "supports_partial_indexes"
+                        not in cls._meta.required_db_features
+                    ) and isinstance(constraint.condition, Q):
+                        references.update(
+                            cls._get_expr_references(constraint.condition)
+                        )
+                    if (
+                        connection.features.supports_expression_indexes
+                        or "supports_expression_indexes"
+                        not in cls._meta.required_db_features
+                    ) and constraint.contains_expressions:
+                        for expression in constraint.expressions:
+                            references.update(cls._get_expr_references(expression))
+                elif isinstance(constraint, CheckConstraint):
+                    if (
+                        connection.features.supports_table_check_constraints
+                        or "supports_table_check_constraints"
+                        not in cls._meta.required_db_features
+                    ):
+                        if isinstance(constraint.check, Q):
+                            references.update(
+                                cls._get_expr_references(constraint.check)
+                            )
+                        if any(
+                            isinstance(expr, RawSQL)
+                            for expr in constraint.check.flatten()
+                        ):
+                            errors.append(
+                                checks.Warning(
+                                    f"Check constraint {constraint.name!r} contains "
+                                    f"RawSQL() expression and won't be validated "
+                                    f"during the model full_clean().",
+                                    hint=(
+                                        "Silence this warning if you don't care about "
+                                        "it."
+                                    ),
+                                    obj=cls,
+                                    id="models.W045",
+                                ),
+                            )
+            for field_name, *lookups in references:
+                # pk is an alias that won't be found by opts.get_field.
+                if field_name != "pk":
+                    fields.add(field_name)
+                if not lookups:
+                    # If it has no lookups it cannot result in a JOIN.
+                    continue
+                try:
+                    if field_name == "pk":
+                        field = cls._meta.pk
+                    else:
+                        field = cls._meta.get_field(field_name)
+                    if not field.is_relation or field.many_to_many or field.one_to_many:
+                        continue
+                except FieldDoesNotExist:
+                    continue
+                # JOIN must happen at the first lookup.
+                first_lookup = lookups[0]
+                if (
+                    hasattr(field, "get_transform")
+                    and hasattr(field, "get_lookup")
+                    and field.get_transform(first_lookup) is None
+                    and field.get_lookup(first_lookup) is None
+                ):
+                    errors.append(
+                        checks.Error(
+                            "'constraints' refers to the joined field '%s'."
+                            % LOOKUP_SEP.join([field_name] + lookups),
+                            obj=cls,
+                            id="models.E041",
+                        )
+                    )
+            errors.extend(cls._check_local_fields(fields, "constraints"))
+        return errors
+
+
+############################################
+# HELPER FUNCTIONS (CURRIED MODEL METHODS) #
+############################################
+
+# ORDERING METHODS #########################
+
+
+def method_set_order(self, ordered_obj, id_list, using=None):
+    order_wrt = ordered_obj._meta.order_with_respect_to
+    filter_args = order_wrt.get_forward_related_filter(self)
+    ordered_obj.objects.db_manager(using).filter(**filter_args).bulk_update(
+        [ordered_obj(pk=pk, _order=order) for order, pk in enumerate(id_list)],
+        ["_order"],
+    )
+
+
+def method_get_order(self, ordered_obj):
+    order_wrt = ordered_obj._meta.order_with_respect_to
+    filter_args = order_wrt.get_forward_related_filter(self)
+    pk_name = ordered_obj._meta.pk.name
+    return ordered_obj.objects.filter(**filter_args).values_list(pk_name, flat=True)
+
+
+def make_foreign_order_accessors(model, related_model):
+    setattr(
+        related_model,
+        "get_%s_order" % model.__name__.lower(),
+        partialmethod(method_get_order, model),
+    )
+    setattr(
+        related_model,
+        "set_%s_order" % model.__name__.lower(),
+        partialmethod(method_set_order, model),
+    )
+
+
+########
+# MISC #
+########
+
+
+def model_unpickle(model_id):
+    """Used to unpickle Model subclasses with deferred fields."""
+    if isinstance(model_id, tuple):
+        model = apps.get_model(*model_id)
+    else:
+        # Backwards compat - the model was cached directly in earlier versions.
+        model = model_id
+    return model.__new__(model)
+
+
+model_unpickle.__safe_for_unpickle__ = True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/constants.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/constants.py
new file mode 100644
index 00000000..cec1b9b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/constants.py
@@ -0,0 +1,13 @@
+"""
+Constants used across the ORM in general.
+"""
+
+from enum import Enum
+
+# Separator used to split filter strings apart.
+LOOKUP_SEP = "__"
+
+
+class OnConflict(Enum):
+    IGNORE = "ignore"
+    UPDATE = "update"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/constraints.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/constraints.py
new file mode 100644
index 00000000..56d547e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/constraints.py
@@ -0,0 +1,466 @@
+import warnings
+from enum import Enum
+from types import NoneType
+
+from django.core.exceptions import FieldError, ValidationError
+from django.db import connections
+from django.db.models.expressions import Exists, ExpressionList, F, OrderBy
+from django.db.models.indexes import IndexExpression
+from django.db.models.lookups import Exact
+from django.db.models.query_utils import Q
+from django.db.models.sql.query import Query
+from django.db.utils import DEFAULT_DB_ALIAS
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.translation import gettext_lazy as _
+
+__all__ = ["BaseConstraint", "CheckConstraint", "Deferrable", "UniqueConstraint"]
+
+
+class BaseConstraint:
+    default_violation_error_message = _("Constraint “%(name)s” is violated.")
+    violation_error_code = None
+    violation_error_message = None
+
+    # RemovedInDjango60Warning: When the deprecation ends, replace with:
+    # def __init__(
+    #     self, *, name, violation_error_code=None, violation_error_message=None
+    # ):
+    def __init__(
+        self, *args, name=None, violation_error_code=None, violation_error_message=None
+    ):
+        # RemovedInDjango60Warning.
+        if name is None and not args:
+            raise TypeError(
+                f"{self.__class__.__name__}.__init__() missing 1 required keyword-only "
+                f"argument: 'name'"
+            )
+        self.name = name
+        if violation_error_code is not None:
+            self.violation_error_code = violation_error_code
+        if violation_error_message is not None:
+            self.violation_error_message = violation_error_message
+        else:
+            self.violation_error_message = self.default_violation_error_message
+        # RemovedInDjango60Warning.
+        if args:
+            warnings.warn(
+                f"Passing positional arguments to {self.__class__.__name__} is "
+                f"deprecated.",
+                RemovedInDjango60Warning,
+                stacklevel=2,
+            )
+            for arg, attr in zip(args, ["name", "violation_error_message"]):
+                if arg:
+                    setattr(self, attr, arg)
+
+    @property
+    def contains_expressions(self):
+        return False
+
+    def constraint_sql(self, model, schema_editor):
+        raise NotImplementedError("This method must be implemented by a subclass.")
+
+    def create_sql(self, model, schema_editor):
+        raise NotImplementedError("This method must be implemented by a subclass.")
+
+    def remove_sql(self, model, schema_editor):
+        raise NotImplementedError("This method must be implemented by a subclass.")
+
+    def validate(self, model, instance, exclude=None, using=DEFAULT_DB_ALIAS):
+        raise NotImplementedError("This method must be implemented by a subclass.")
+
+    def get_violation_error_message(self):
+        return self.violation_error_message % {"name": self.name}
+
+    def deconstruct(self):
+        path = "%s.%s" % (self.__class__.__module__, self.__class__.__name__)
+        path = path.replace("django.db.models.constraints", "django.db.models")
+        kwargs = {"name": self.name}
+        if (
+            self.violation_error_message is not None
+            and self.violation_error_message != self.default_violation_error_message
+        ):
+            kwargs["violation_error_message"] = self.violation_error_message
+        if self.violation_error_code is not None:
+            kwargs["violation_error_code"] = self.violation_error_code
+        return (path, (), kwargs)
+
+    def clone(self):
+        _, args, kwargs = self.deconstruct()
+        return self.__class__(*args, **kwargs)
+
+
+class CheckConstraint(BaseConstraint):
+    def __init__(
+        self, *, check, name, violation_error_code=None, violation_error_message=None
+    ):
+        self.check = check
+        if not getattr(check, "conditional", False):
+            raise TypeError(
+                "CheckConstraint.check must be a Q instance or boolean expression."
+            )
+        super().__init__(
+            name=name,
+            violation_error_code=violation_error_code,
+            violation_error_message=violation_error_message,
+        )
+
+    def _get_check_sql(self, model, schema_editor):
+        query = Query(model=model, alias_cols=False)
+        where = query.build_where(self.check)
+        compiler = query.get_compiler(connection=schema_editor.connection)
+        sql, params = where.as_sql(compiler, schema_editor.connection)
+        return sql % tuple(schema_editor.quote_value(p) for p in params)
+
+    def constraint_sql(self, model, schema_editor):
+        check = self._get_check_sql(model, schema_editor)
+        return schema_editor._check_sql(self.name, check)
+
+    def create_sql(self, model, schema_editor):
+        check = self._get_check_sql(model, schema_editor)
+        return schema_editor._create_check_sql(model, self.name, check)
+
+    def remove_sql(self, model, schema_editor):
+        return schema_editor._delete_check_sql(model, self.name)
+
+    def validate(self, model, instance, exclude=None, using=DEFAULT_DB_ALIAS):
+        against = instance._get_field_value_map(meta=model._meta, exclude=exclude)
+        try:
+            if not Q(self.check).check(against, using=using):
+                raise ValidationError(
+                    self.get_violation_error_message(), code=self.violation_error_code
+                )
+        except FieldError:
+            pass
+
+    def __repr__(self):
+        return "<%s: check=%s name=%s%s%s>" % (
+            self.__class__.__qualname__,
+            self.check,
+            repr(self.name),
+            (
+                ""
+                if self.violation_error_code is None
+                else " violation_error_code=%r" % self.violation_error_code
+            ),
+            (
+                ""
+                if self.violation_error_message is None
+                or self.violation_error_message == self.default_violation_error_message
+                else " violation_error_message=%r" % self.violation_error_message
+            ),
+        )
+
+    def __eq__(self, other):
+        if isinstance(other, CheckConstraint):
+            return (
+                self.name == other.name
+                and self.check == other.check
+                and self.violation_error_code == other.violation_error_code
+                and self.violation_error_message == other.violation_error_message
+            )
+        return super().__eq__(other)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        kwargs["check"] = self.check
+        return path, args, kwargs
+
+
+class Deferrable(Enum):
+    DEFERRED = "deferred"
+    IMMEDIATE = "immediate"
+
+    # A similar format was proposed for Python 3.10.
+    def __repr__(self):
+        return f"{self.__class__.__qualname__}.{self._name_}"
+
+
+class UniqueConstraint(BaseConstraint):
+    def __init__(
+        self,
+        *expressions,
+        fields=(),
+        name=None,
+        condition=None,
+        deferrable=None,
+        include=None,
+        opclasses=(),
+        nulls_distinct=None,
+        violation_error_code=None,
+        violation_error_message=None,
+    ):
+        if not name:
+            raise ValueError("A unique constraint must be named.")
+        if not expressions and not fields:
+            raise ValueError(
+                "At least one field or expression is required to define a "
+                "unique constraint."
+            )
+        if expressions and fields:
+            raise ValueError(
+                "UniqueConstraint.fields and expressions are mutually exclusive."
+            )
+        if not isinstance(condition, (NoneType, Q)):
+            raise ValueError("UniqueConstraint.condition must be a Q instance.")
+        if condition and deferrable:
+            raise ValueError("UniqueConstraint with conditions cannot be deferred.")
+        if include and deferrable:
+            raise ValueError("UniqueConstraint with include fields cannot be deferred.")
+        if opclasses and deferrable:
+            raise ValueError("UniqueConstraint with opclasses cannot be deferred.")
+        if expressions and deferrable:
+            raise ValueError("UniqueConstraint with expressions cannot be deferred.")
+        if expressions and opclasses:
+            raise ValueError(
+                "UniqueConstraint.opclasses cannot be used with expressions. "
+                "Use django.contrib.postgres.indexes.OpClass() instead."
+            )
+        if not isinstance(deferrable, (NoneType, Deferrable)):
+            raise TypeError(
+                "UniqueConstraint.deferrable must be a Deferrable instance."
+            )
+        if not isinstance(include, (NoneType, list, tuple)):
+            raise TypeError("UniqueConstraint.include must be a list or tuple.")
+        if not isinstance(opclasses, (list, tuple)):
+            raise TypeError("UniqueConstraint.opclasses must be a list or tuple.")
+        if not isinstance(nulls_distinct, (NoneType, bool)):
+            raise TypeError("UniqueConstraint.nulls_distinct must be a bool.")
+        if opclasses and len(fields) != len(opclasses):
+            raise ValueError(
+                "UniqueConstraint.fields and UniqueConstraint.opclasses must "
+                "have the same number of elements."
+            )
+        self.fields = tuple(fields)
+        self.condition = condition
+        self.deferrable = deferrable
+        self.include = tuple(include) if include else ()
+        self.opclasses = opclasses
+        self.nulls_distinct = nulls_distinct
+        self.expressions = tuple(
+            F(expression) if isinstance(expression, str) else expression
+            for expression in expressions
+        )
+        super().__init__(
+            name=name,
+            violation_error_code=violation_error_code,
+            violation_error_message=violation_error_message,
+        )
+
+    @property
+    def contains_expressions(self):
+        return bool(self.expressions)
+
+    def _get_condition_sql(self, model, schema_editor):
+        if self.condition is None:
+            return None
+        query = Query(model=model, alias_cols=False)
+        where = query.build_where(self.condition)
+        compiler = query.get_compiler(connection=schema_editor.connection)
+        sql, params = where.as_sql(compiler, schema_editor.connection)
+        return sql % tuple(schema_editor.quote_value(p) for p in params)
+
+    def _get_index_expressions(self, model, schema_editor):
+        if not self.expressions:
+            return None
+        index_expressions = []
+        for expression in self.expressions:
+            index_expression = IndexExpression(expression)
+            index_expression.set_wrapper_classes(schema_editor.connection)
+            index_expressions.append(index_expression)
+        return ExpressionList(*index_expressions).resolve_expression(
+            Query(model, alias_cols=False),
+        )
+
+    def constraint_sql(self, model, schema_editor):
+        fields = [model._meta.get_field(field_name) for field_name in self.fields]
+        include = [
+            model._meta.get_field(field_name).column for field_name in self.include
+        ]
+        condition = self._get_condition_sql(model, schema_editor)
+        expressions = self._get_index_expressions(model, schema_editor)
+        return schema_editor._unique_sql(
+            model,
+            fields,
+            self.name,
+            condition=condition,
+            deferrable=self.deferrable,
+            include=include,
+            opclasses=self.opclasses,
+            expressions=expressions,
+            nulls_distinct=self.nulls_distinct,
+        )
+
+    def create_sql(self, model, schema_editor):
+        fields = [model._meta.get_field(field_name) for field_name in self.fields]
+        include = [
+            model._meta.get_field(field_name).column for field_name in self.include
+        ]
+        condition = self._get_condition_sql(model, schema_editor)
+        expressions = self._get_index_expressions(model, schema_editor)
+        return schema_editor._create_unique_sql(
+            model,
+            fields,
+            self.name,
+            condition=condition,
+            deferrable=self.deferrable,
+            include=include,
+            opclasses=self.opclasses,
+            expressions=expressions,
+            nulls_distinct=self.nulls_distinct,
+        )
+
+    def remove_sql(self, model, schema_editor):
+        condition = self._get_condition_sql(model, schema_editor)
+        include = [
+            model._meta.get_field(field_name).column for field_name in self.include
+        ]
+        expressions = self._get_index_expressions(model, schema_editor)
+        return schema_editor._delete_unique_sql(
+            model,
+            self.name,
+            condition=condition,
+            deferrable=self.deferrable,
+            include=include,
+            opclasses=self.opclasses,
+            expressions=expressions,
+            nulls_distinct=self.nulls_distinct,
+        )
+
+    def __repr__(self):
+        return "<%s:%s%s%s%s%s%s%s%s%s%s>" % (
+            self.__class__.__qualname__,
+            "" if not self.fields else " fields=%s" % repr(self.fields),
+            "" if not self.expressions else " expressions=%s" % repr(self.expressions),
+            " name=%s" % repr(self.name),
+            "" if self.condition is None else " condition=%s" % self.condition,
+            "" if self.deferrable is None else " deferrable=%r" % self.deferrable,
+            "" if not self.include else " include=%s" % repr(self.include),
+            "" if not self.opclasses else " opclasses=%s" % repr(self.opclasses),
+            (
+                ""
+                if self.nulls_distinct is None
+                else " nulls_distinct=%r" % self.nulls_distinct
+            ),
+            (
+                ""
+                if self.violation_error_code is None
+                else " violation_error_code=%r" % self.violation_error_code
+            ),
+            (
+                ""
+                if self.violation_error_message is None
+                or self.violation_error_message == self.default_violation_error_message
+                else " violation_error_message=%r" % self.violation_error_message
+            ),
+        )
+
+    def __eq__(self, other):
+        if isinstance(other, UniqueConstraint):
+            return (
+                self.name == other.name
+                and self.fields == other.fields
+                and self.condition == other.condition
+                and self.deferrable == other.deferrable
+                and self.include == other.include
+                and self.opclasses == other.opclasses
+                and self.expressions == other.expressions
+                and self.nulls_distinct is other.nulls_distinct
+                and self.violation_error_code == other.violation_error_code
+                and self.violation_error_message == other.violation_error_message
+            )
+        return super().__eq__(other)
+
+    def deconstruct(self):
+        path, args, kwargs = super().deconstruct()
+        if self.fields:
+            kwargs["fields"] = self.fields
+        if self.condition:
+            kwargs["condition"] = self.condition
+        if self.deferrable:
+            kwargs["deferrable"] = self.deferrable
+        if self.include:
+            kwargs["include"] = self.include
+        if self.opclasses:
+            kwargs["opclasses"] = self.opclasses
+        if self.nulls_distinct is not None:
+            kwargs["nulls_distinct"] = self.nulls_distinct
+        return path, self.expressions, kwargs
+
+    def validate(self, model, instance, exclude=None, using=DEFAULT_DB_ALIAS):
+        queryset = model._default_manager.using(using)
+        if self.fields:
+            lookup_kwargs = {}
+            for field_name in self.fields:
+                if exclude and field_name in exclude:
+                    return
+                field = model._meta.get_field(field_name)
+                lookup_value = getattr(instance, field.attname)
+                if (
+                    self.nulls_distinct is not False
+                    and lookup_value is None
+                    or (
+                        lookup_value == ""
+                        and connections[
+                            using
+                        ].features.interprets_empty_strings_as_nulls
+                    )
+                ):
+                    # A composite constraint containing NULL value cannot cause
+                    # a violation since NULL != NULL in SQL.
+                    return
+                lookup_kwargs[field.name] = lookup_value
+            queryset = queryset.filter(**lookup_kwargs)
+        else:
+            # Ignore constraints with excluded fields.
+            if exclude:
+                for expression in self.expressions:
+                    if hasattr(expression, "flatten"):
+                        for expr in expression.flatten():
+                            if isinstance(expr, F) and expr.name in exclude:
+                                return
+                    elif isinstance(expression, F) and expression.name in exclude:
+                        return
+            replacements = {
+                F(field): value
+                for field, value in instance._get_field_value_map(
+                    meta=model._meta, exclude=exclude
+                ).items()
+            }
+            expressions = []
+            for expr in self.expressions:
+                # Ignore ordering.
+                if isinstance(expr, OrderBy):
+                    expr = expr.expression
+                expressions.append(Exact(expr, expr.replace_expressions(replacements)))
+            queryset = queryset.filter(*expressions)
+        model_class_pk = instance._get_pk_val(model._meta)
+        if not instance._state.adding and model_class_pk is not None:
+            queryset = queryset.exclude(pk=model_class_pk)
+        if not self.condition:
+            if queryset.exists():
+                if self.expressions:
+                    raise ValidationError(
+                        self.get_violation_error_message(),
+                        code=self.violation_error_code,
+                    )
+                # When fields are defined, use the unique_error_message() for
+                # backward compatibility.
+                for model, constraints in instance.get_constraints():
+                    for constraint in constraints:
+                        if constraint is self:
+                            raise ValidationError(
+                                instance.unique_error_message(model, self.fields),
+                            )
+        else:
+            against = instance._get_field_value_map(meta=model._meta, exclude=exclude)
+            try:
+                if (self.condition & Exists(queryset.filter(self.condition))).check(
+                    against, using=using
+                ):
+                    raise ValidationError(
+                        self.get_violation_error_message(),
+                        code=self.violation_error_code,
+                    )
+            except FieldError:
+                pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/deletion.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/deletion.py
new file mode 100644
index 00000000..bc26d82e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/deletion.py
@@ -0,0 +1,522 @@
+from collections import Counter, defaultdict
+from functools import partial, reduce
+from itertools import chain
+from operator import attrgetter, or_
+
+from django.db import IntegrityError, connections, models, transaction
+from django.db.models import query_utils, signals, sql
+
+
+class ProtectedError(IntegrityError):
+    def __init__(self, msg, protected_objects):
+        self.protected_objects = protected_objects
+        super().__init__(msg, protected_objects)
+
+
+class RestrictedError(IntegrityError):
+    def __init__(self, msg, restricted_objects):
+        self.restricted_objects = restricted_objects
+        super().__init__(msg, restricted_objects)
+
+
+def CASCADE(collector, field, sub_objs, using):
+    collector.collect(
+        sub_objs,
+        source=field.remote_field.model,
+        source_attr=field.name,
+        nullable=field.null,
+        fail_on_restricted=False,
+    )
+    if field.null and not connections[using].features.can_defer_constraint_checks:
+        collector.add_field_update(field, None, sub_objs)
+
+
+def PROTECT(collector, field, sub_objs, using):
+    raise ProtectedError(
+        "Cannot delete some instances of model '%s' because they are "
+        "referenced through a protected foreign key: '%s.%s'"
+        % (
+            field.remote_field.model.__name__,
+            sub_objs[0].__class__.__name__,
+            field.name,
+        ),
+        sub_objs,
+    )
+
+
+def RESTRICT(collector, field, sub_objs, using):
+    collector.add_restricted_objects(field, sub_objs)
+    collector.add_dependency(field.remote_field.model, field.model)
+
+
+def SET(value):
+    if callable(value):
+
+        def set_on_delete(collector, field, sub_objs, using):
+            collector.add_field_update(field, value(), sub_objs)
+
+    else:
+
+        def set_on_delete(collector, field, sub_objs, using):
+            collector.add_field_update(field, value, sub_objs)
+
+    set_on_delete.deconstruct = lambda: ("django.db.models.SET", (value,), {})
+    set_on_delete.lazy_sub_objs = True
+    return set_on_delete
+
+
+def SET_NULL(collector, field, sub_objs, using):
+    collector.add_field_update(field, None, sub_objs)
+
+
+SET_NULL.lazy_sub_objs = True
+
+
+def SET_DEFAULT(collector, field, sub_objs, using):
+    collector.add_field_update(field, field.get_default(), sub_objs)
+
+
+SET_DEFAULT.lazy_sub_objs = True
+
+
+def DO_NOTHING(collector, field, sub_objs, using):
+    pass
+
+
+def get_candidate_relations_to_delete(opts):
+    # The candidate relations are the ones that come from N-1 and 1-1 relations.
+    # N-N  (i.e., many-to-many) relations aren't candidates for deletion.
+    return (
+        f
+        for f in opts.get_fields(include_hidden=True)
+        if f.auto_created and not f.concrete and (f.one_to_one or f.one_to_many)
+    )
+
+
+class Collector:
+    def __init__(self, using, origin=None):
+        self.using = using
+        # A Model or QuerySet object.
+        self.origin = origin
+        # Initially, {model: {instances}}, later values become lists.
+        self.data = defaultdict(set)
+        # {(field, value): [instances, …]}
+        self.field_updates = defaultdict(list)
+        # {model: {field: {instances}}}
+        self.restricted_objects = defaultdict(partial(defaultdict, set))
+        # fast_deletes is a list of queryset-likes that can be deleted without
+        # fetching the objects into memory.
+        self.fast_deletes = []
+
+        # Tracks deletion-order dependency for databases without transactions
+        # or ability to defer constraint checks. Only concrete model classes
+        # should be included, as the dependencies exist only between actual
+        # database tables; proxy models are represented here by their concrete
+        # parent.
+        self.dependencies = defaultdict(set)  # {model: {models}}
+
+    def add(self, objs, source=None, nullable=False, reverse_dependency=False):
+        """
+        Add 'objs' to the collection of objects to be deleted.  If the call is
+        the result of a cascade, 'source' should be the model that caused it,
+        and 'nullable' should be set to True if the relation can be null.
+
+        Return a list of all objects that were not already collected.
+        """
+        if not objs:
+            return []
+        new_objs = []
+        model = objs[0].__class__
+        instances = self.data[model]
+        for obj in objs:
+            if obj not in instances:
+                new_objs.append(obj)
+        instances.update(new_objs)
+        # Nullable relationships can be ignored -- they are nulled out before
+        # deleting, and therefore do not affect the order in which objects have
+        # to be deleted.
+        if source is not None and not nullable:
+            self.add_dependency(source, model, reverse_dependency=reverse_dependency)
+        return new_objs
+
+    def add_dependency(self, model, dependency, reverse_dependency=False):
+        if reverse_dependency:
+            model, dependency = dependency, model
+        self.dependencies[model._meta.concrete_model].add(
+            dependency._meta.concrete_model
+        )
+        self.data.setdefault(dependency, self.data.default_factory())
+
+    def add_field_update(self, field, value, objs):
+        """
+        Schedule a field update. 'objs' must be a homogeneous iterable
+        collection of model instances (e.g. a QuerySet).
+        """
+        self.field_updates[field, value].append(objs)
+
+    def add_restricted_objects(self, field, objs):
+        if objs:
+            model = objs[0].__class__
+            self.restricted_objects[model][field].update(objs)
+
+    def clear_restricted_objects_from_set(self, model, objs):
+        if model in self.restricted_objects:
+            self.restricted_objects[model] = {
+                field: items - objs
+                for field, items in self.restricted_objects[model].items()
+            }
+
+    def clear_restricted_objects_from_queryset(self, model, qs):
+        if model in self.restricted_objects:
+            objs = set(
+                qs.filter(
+                    pk__in=[
+                        obj.pk
+                        for objs in self.restricted_objects[model].values()
+                        for obj in objs
+                    ]
+                )
+            )
+            self.clear_restricted_objects_from_set(model, objs)
+
+    def _has_signal_listeners(self, model):
+        return signals.pre_delete.has_listeners(
+            model
+        ) or signals.post_delete.has_listeners(model)
+
+    def can_fast_delete(self, objs, from_field=None):
+        """
+        Determine if the objects in the given queryset-like or single object
+        can be fast-deleted. This can be done if there are no cascades, no
+        parents and no signal listeners for the object class.
+
+        The 'from_field' tells where we are coming from - we need this to
+        determine if the objects are in fact to be deleted. Allow also
+        skipping parent -> child -> parent chain preventing fast delete of
+        the child.
+        """
+        if from_field and from_field.remote_field.on_delete is not CASCADE:
+            return False
+        if hasattr(objs, "_meta"):
+            model = objs._meta.model
+        elif hasattr(objs, "model") and hasattr(objs, "_raw_delete"):
+            model = objs.model
+        else:
+            return False
+        if self._has_signal_listeners(model):
+            return False
+        # The use of from_field comes from the need to avoid cascade back to
+        # parent when parent delete is cascading to child.
+        opts = model._meta
+        return (
+            all(
+                link == from_field
+                for link in opts.concrete_model._meta.parents.values()
+            )
+            and
+            # Foreign keys pointing to this model.
+            all(
+                related.field.remote_field.on_delete is DO_NOTHING
+                for related in get_candidate_relations_to_delete(opts)
+            )
+            and (
+                # Something like generic foreign key.
+                not any(
+                    hasattr(field, "bulk_related_objects")
+                    for field in opts.private_fields
+                )
+            )
+        )
+
+    def get_del_batches(self, objs, fields):
+        """
+        Return the objs in suitably sized batches for the used connection.
+        """
+        field_names = [field.name for field in fields]
+        conn_batch_size = max(
+            connections[self.using].ops.bulk_batch_size(field_names, objs), 1
+        )
+        if len(objs) > conn_batch_size:
+            return [
+                objs[i : i + conn_batch_size]
+                for i in range(0, len(objs), conn_batch_size)
+            ]
+        else:
+            return [objs]
+
+    def collect(
+        self,
+        objs,
+        source=None,
+        nullable=False,
+        collect_related=True,
+        source_attr=None,
+        reverse_dependency=False,
+        keep_parents=False,
+        fail_on_restricted=True,
+    ):
+        """
+        Add 'objs' to the collection of objects to be deleted as well as all
+        parent instances.  'objs' must be a homogeneous iterable collection of
+        model instances (e.g. a QuerySet).  If 'collect_related' is True,
+        related objects will be handled by their respective on_delete handler.
+
+        If the call is the result of a cascade, 'source' should be the model
+        that caused it and 'nullable' should be set to True, if the relation
+        can be null.
+
+        If 'reverse_dependency' is True, 'source' will be deleted before the
+        current model, rather than after. (Needed for cascading to parent
+        models, the one case in which the cascade follows the forwards
+        direction of an FK rather than the reverse direction.)
+
+        If 'keep_parents' is True, data of parent model's will be not deleted.
+
+        If 'fail_on_restricted' is False, error won't be raised even if it's
+        prohibited to delete such objects due to RESTRICT, that defers
+        restricted object checking in recursive calls where the top-level call
+        may need to collect more objects to determine whether restricted ones
+        can be deleted.
+        """
+        if self.can_fast_delete(objs):
+            self.fast_deletes.append(objs)
+            return
+        new_objs = self.add(
+            objs, source, nullable, reverse_dependency=reverse_dependency
+        )
+        if not new_objs:
+            return
+
+        model = new_objs[0].__class__
+
+        if not keep_parents:
+            # Recursively collect concrete model's parent models, but not their
+            # related objects. These will be found by meta.get_fields()
+            concrete_model = model._meta.concrete_model
+            for ptr in concrete_model._meta.parents.values():
+                if ptr:
+                    parent_objs = [getattr(obj, ptr.name) for obj in new_objs]
+                    self.collect(
+                        parent_objs,
+                        source=model,
+                        source_attr=ptr.remote_field.related_name,
+                        collect_related=False,
+                        reverse_dependency=True,
+                        fail_on_restricted=False,
+                    )
+        if not collect_related:
+            return
+
+        if keep_parents:
+            parents = set(model._meta.get_parent_list())
+        model_fast_deletes = defaultdict(list)
+        protected_objects = defaultdict(list)
+        for related in get_candidate_relations_to_delete(model._meta):
+            # Preserve parent reverse relationships if keep_parents=True.
+            if keep_parents and related.model in parents:
+                continue
+            field = related.field
+            on_delete = field.remote_field.on_delete
+            if on_delete == DO_NOTHING:
+                continue
+            related_model = related.related_model
+            if self.can_fast_delete(related_model, from_field=field):
+                model_fast_deletes[related_model].append(field)
+                continue
+            batches = self.get_del_batches(new_objs, [field])
+            for batch in batches:
+                sub_objs = self.related_objects(related_model, [field], batch)
+                # Non-referenced fields can be deferred if no signal receivers
+                # are connected for the related model as they'll never be
+                # exposed to the user. Skip field deferring when some
+                # relationships are select_related as interactions between both
+                # features are hard to get right. This should only happen in
+                # the rare cases where .related_objects is overridden anyway.
+                if not (
+                    sub_objs.query.select_related
+                    or self._has_signal_listeners(related_model)
+                ):
+                    referenced_fields = set(
+                        chain.from_iterable(
+                            (rf.attname for rf in rel.field.foreign_related_fields)
+                            for rel in get_candidate_relations_to_delete(
+                                related_model._meta
+                            )
+                        )
+                    )
+                    sub_objs = sub_objs.only(*tuple(referenced_fields))
+                if getattr(on_delete, "lazy_sub_objs", False) or sub_objs:
+                    try:
+                        on_delete(self, field, sub_objs, self.using)
+                    except ProtectedError as error:
+                        key = "'%s.%s'" % (field.model.__name__, field.name)
+                        protected_objects[key] += error.protected_objects
+        if protected_objects:
+            raise ProtectedError(
+                "Cannot delete some instances of model %r because they are "
+                "referenced through protected foreign keys: %s."
+                % (
+                    model.__name__,
+                    ", ".join(protected_objects),
+                ),
+                set(chain.from_iterable(protected_objects.values())),
+            )
+        for related_model, related_fields in model_fast_deletes.items():
+            batches = self.get_del_batches(new_objs, related_fields)
+            for batch in batches:
+                sub_objs = self.related_objects(related_model, related_fields, batch)
+                self.fast_deletes.append(sub_objs)
+        for field in model._meta.private_fields:
+            if hasattr(field, "bulk_related_objects"):
+                # It's something like generic foreign key.
+                sub_objs = field.bulk_related_objects(new_objs, self.using)
+                self.collect(
+                    sub_objs, source=model, nullable=True, fail_on_restricted=False
+                )
+
+        if fail_on_restricted:
+            # Raise an error if collected restricted objects (RESTRICT) aren't
+            # candidates for deletion also collected via CASCADE.
+            for related_model, instances in self.data.items():
+                self.clear_restricted_objects_from_set(related_model, instances)
+            for qs in self.fast_deletes:
+                self.clear_restricted_objects_from_queryset(qs.model, qs)
+            if self.restricted_objects.values():
+                restricted_objects = defaultdict(list)
+                for related_model, fields in self.restricted_objects.items():
+                    for field, objs in fields.items():
+                        if objs:
+                            key = "'%s.%s'" % (related_model.__name__, field.name)
+                            restricted_objects[key] += objs
+                if restricted_objects:
+                    raise RestrictedError(
+                        "Cannot delete some instances of model %r because "
+                        "they are referenced through restricted foreign keys: "
+                        "%s."
+                        % (
+                            model.__name__,
+                            ", ".join(restricted_objects),
+                        ),
+                        set(chain.from_iterable(restricted_objects.values())),
+                    )
+
+    def related_objects(self, related_model, related_fields, objs):
+        """
+        Get a QuerySet of the related model to objs via related fields.
+        """
+        predicate = query_utils.Q.create(
+            [(f"{related_field.name}__in", objs) for related_field in related_fields],
+            connector=query_utils.Q.OR,
+        )
+        return related_model._base_manager.using(self.using).filter(predicate)
+
+    def instances_with_model(self):
+        for model, instances in self.data.items():
+            for obj in instances:
+                yield model, obj
+
+    def sort(self):
+        sorted_models = []
+        concrete_models = set()
+        models = list(self.data)
+        while len(sorted_models) < len(models):
+            found = False
+            for model in models:
+                if model in sorted_models:
+                    continue
+                dependencies = self.dependencies.get(model._meta.concrete_model)
+                if not (dependencies and dependencies.difference(concrete_models)):
+                    sorted_models.append(model)
+                    concrete_models.add(model._meta.concrete_model)
+                    found = True
+            if not found:
+                return
+        self.data = {model: self.data[model] for model in sorted_models}
+
+    def delete(self):
+        # sort instance collections
+        for model, instances in self.data.items():
+            self.data[model] = sorted(instances, key=attrgetter("pk"))
+
+        # if possible, bring the models in an order suitable for databases that
+        # don't support transactions or cannot defer constraint checks until the
+        # end of a transaction.
+        self.sort()
+        # number of objects deleted for each model label
+        deleted_counter = Counter()
+
+        # Optimize for the case with a single obj and no dependencies
+        if len(self.data) == 1 and len(instances) == 1:
+            instance = list(instances)[0]
+            if self.can_fast_delete(instance):
+                with transaction.mark_for_rollback_on_error(self.using):
+                    count = sql.DeleteQuery(model).delete_batch(
+                        [instance.pk], self.using
+                    )
+                setattr(instance, model._meta.pk.attname, None)
+                return count, {model._meta.label: count}
+
+        with transaction.atomic(using=self.using, savepoint=False):
+            # send pre_delete signals
+            for model, obj in self.instances_with_model():
+                if not model._meta.auto_created:
+                    signals.pre_delete.send(
+                        sender=model,
+                        instance=obj,
+                        using=self.using,
+                        origin=self.origin,
+                    )
+
+            # fast deletes
+            for qs in self.fast_deletes:
+                count = qs._raw_delete(using=self.using)
+                if count:
+                    deleted_counter[qs.model._meta.label] += count
+
+            # update fields
+            for (field, value), instances_list in self.field_updates.items():
+                updates = []
+                objs = []
+                for instances in instances_list:
+                    if (
+                        isinstance(instances, models.QuerySet)
+                        and instances._result_cache is None
+                    ):
+                        updates.append(instances)
+                    else:
+                        objs.extend(instances)
+                if updates:
+                    combined_updates = reduce(or_, updates)
+                    combined_updates.update(**{field.name: value})
+                if objs:
+                    model = objs[0].__class__
+                    query = sql.UpdateQuery(model)
+                    query.update_batch(
+                        list({obj.pk for obj in objs}), {field.name: value}, self.using
+                    )
+
+            # reverse instance collections
+            for instances in self.data.values():
+                instances.reverse()
+
+            # delete instances
+            for model, instances in self.data.items():
+                query = sql.DeleteQuery(model)
+                pk_list = [obj.pk for obj in instances]
+                count = query.delete_batch(pk_list, self.using)
+                if count:
+                    deleted_counter[model._meta.label] += count
+
+                if not model._meta.auto_created:
+                    for obj in instances:
+                        signals.post_delete.send(
+                            sender=model,
+                            instance=obj,
+                            using=self.using,
+                            origin=self.origin,
+                        )
+
+        for model, instances in self.data.items():
+            for instance in instances:
+                setattr(instance, model._meta.pk.attname, None)
+        return sum(deleted_counter.values()), dict(deleted_counter)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/enums.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/enums.py
new file mode 100644
index 00000000..bdc669bf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/enums.py
@@ -0,0 +1,123 @@
+import enum
+import warnings
+
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import Promise
+from django.utils.version import PY311, PY312
+
+if PY311:
+    from enum import EnumType, IntEnum, StrEnum
+    from enum import property as enum_property
+else:
+    from enum import EnumMeta as EnumType
+    from types import DynamicClassAttribute as enum_property
+
+    class ReprEnum(enum.Enum):
+        def __str__(self):
+            return str(self.value)
+
+    class IntEnum(int, ReprEnum):
+        pass
+
+    class StrEnum(str, ReprEnum):
+        pass
+
+
+__all__ = ["Choices", "IntegerChoices", "TextChoices"]
+
+
+class ChoicesType(EnumType):
+    """A metaclass for creating a enum choices."""
+
+    def __new__(metacls, classname, bases, classdict, **kwds):
+        labels = []
+        for key in classdict._member_names:
+            value = classdict[key]
+            if (
+                isinstance(value, (list, tuple))
+                and len(value) > 1
+                and isinstance(value[-1], (Promise, str))
+            ):
+                *value, label = value
+                value = tuple(value)
+            else:
+                label = key.replace("_", " ").title()
+            labels.append(label)
+            # Use dict.__setitem__() to suppress defenses against double
+            # assignment in enum's classdict.
+            dict.__setitem__(classdict, key, value)
+        cls = super().__new__(metacls, classname, bases, classdict, **kwds)
+        for member, label in zip(cls.__members__.values(), labels):
+            member._label_ = label
+        return enum.unique(cls)
+
+    if not PY312:
+
+        def __contains__(cls, member):
+            if not isinstance(member, enum.Enum):
+                # Allow non-enums to match against member values.
+                return any(x.value == member for x in cls)
+            return super().__contains__(member)
+
+    @property
+    def names(cls):
+        empty = ["__empty__"] if hasattr(cls, "__empty__") else []
+        return empty + [member.name for member in cls]
+
+    @property
+    def choices(cls):
+        empty = [(None, cls.__empty__)] if hasattr(cls, "__empty__") else []
+        return empty + [(member.value, member.label) for member in cls]
+
+    @property
+    def labels(cls):
+        return [label for _, label in cls.choices]
+
+    @property
+    def values(cls):
+        return [value for value, _ in cls.choices]
+
+
+class Choices(enum.Enum, metaclass=ChoicesType):
+    """Class for creating enumerated choices."""
+
+    if PY311:
+        do_not_call_in_templates = enum.nonmember(True)
+    else:
+
+        @property
+        def do_not_call_in_templates(self):
+            return True
+
+    @enum_property
+    def label(self):
+        return self._label_
+
+    # A similar format was proposed for Python 3.10.
+    def __repr__(self):
+        return f"{self.__class__.__qualname__}.{self._name_}"
+
+
+class IntegerChoices(Choices, IntEnum):
+    """Class for creating enumerated integer choices."""
+
+    pass
+
+
+class TextChoices(Choices, StrEnum):
+    """Class for creating enumerated string choices."""
+
+    @staticmethod
+    def _generate_next_value_(name, start, count, last_values):
+        return name
+
+
+def __getattr__(name):
+    if name == "ChoicesMeta":
+        warnings.warn(
+            "ChoicesMeta is deprecated in favor of ChoicesType.",
+            RemovedInDjango60Warning,
+            stacklevel=2,
+        )
+        return ChoicesType
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/expressions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/expressions.py
new file mode 100644
index 00000000..4c1f5707
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/expressions.py
@@ -0,0 +1,1937 @@
+import copy
+import datetime
+import functools
+import inspect
+from collections import defaultdict
+from decimal import Decimal
+from types import NoneType
+from uuid import UUID
+
+from django.core.exceptions import EmptyResultSet, FieldError, FullResultSet
+from django.db import DatabaseError, NotSupportedError, connection
+from django.db.models import fields
+from django.db.models.constants import LOOKUP_SEP
+from django.db.models.query_utils import Q
+from django.utils.deconstruct import deconstructible
+from django.utils.functional import cached_property
+from django.utils.hashable import make_hashable
+
+
+class SQLiteNumericMixin:
+    """
+    Some expressions with output_field=DecimalField() must be cast to
+    numeric to be properly filtered.
+    """
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        sql, params = self.as_sql(compiler, connection, **extra_context)
+        try:
+            if self.output_field.get_internal_type() == "DecimalField":
+                sql = "(CAST(%s AS NUMERIC))" % sql
+        except FieldError:
+            pass
+        return sql, params
+
+
+class Combinable:
+    """
+    Provide the ability to combine one or two objects with
+    some connector. For example F('foo') + F('bar').
+    """
+
+    # Arithmetic connectors
+    ADD = "+"
+    SUB = "-"
+    MUL = "*"
+    DIV = "/"
+    POW = "^"
+    # The following is a quoted % operator - it is quoted because it can be
+    # used in strings that also have parameter substitution.
+    MOD = "%%"
+
+    # Bitwise operators - note that these are generated by .bitand()
+    # and .bitor(), the '&' and '|' are reserved for boolean operator
+    # usage.
+    BITAND = "&"
+    BITOR = "|"
+    BITLEFTSHIFT = "<<"
+    BITRIGHTSHIFT = ">>"
+    BITXOR = "#"
+
+    def _combine(self, other, connector, reversed):
+        if not hasattr(other, "resolve_expression"):
+            # everything must be resolvable to an expression
+            other = Value(other)
+
+        if reversed:
+            return CombinedExpression(other, connector, self)
+        return CombinedExpression(self, connector, other)
+
+    #############
+    # OPERATORS #
+    #############
+
+    def __neg__(self):
+        return self._combine(-1, self.MUL, False)
+
+    def __add__(self, other):
+        return self._combine(other, self.ADD, False)
+
+    def __sub__(self, other):
+        return self._combine(other, self.SUB, False)
+
+    def __mul__(self, other):
+        return self._combine(other, self.MUL, False)
+
+    def __truediv__(self, other):
+        return self._combine(other, self.DIV, False)
+
+    def __mod__(self, other):
+        return self._combine(other, self.MOD, False)
+
+    def __pow__(self, other):
+        return self._combine(other, self.POW, False)
+
+    def __and__(self, other):
+        if getattr(self, "conditional", False) and getattr(other, "conditional", False):
+            return Q(self) & Q(other)
+        raise NotImplementedError(
+            "Use .bitand(), .bitor(), and .bitxor() for bitwise logical operations."
+        )
+
+    def bitand(self, other):
+        return self._combine(other, self.BITAND, False)
+
+    def bitleftshift(self, other):
+        return self._combine(other, self.BITLEFTSHIFT, False)
+
+    def bitrightshift(self, other):
+        return self._combine(other, self.BITRIGHTSHIFT, False)
+
+    def __xor__(self, other):
+        if getattr(self, "conditional", False) and getattr(other, "conditional", False):
+            return Q(self) ^ Q(other)
+        raise NotImplementedError(
+            "Use .bitand(), .bitor(), and .bitxor() for bitwise logical operations."
+        )
+
+    def bitxor(self, other):
+        return self._combine(other, self.BITXOR, False)
+
+    def __or__(self, other):
+        if getattr(self, "conditional", False) and getattr(other, "conditional", False):
+            return Q(self) | Q(other)
+        raise NotImplementedError(
+            "Use .bitand(), .bitor(), and .bitxor() for bitwise logical operations."
+        )
+
+    def bitor(self, other):
+        return self._combine(other, self.BITOR, False)
+
+    def __radd__(self, other):
+        return self._combine(other, self.ADD, True)
+
+    def __rsub__(self, other):
+        return self._combine(other, self.SUB, True)
+
+    def __rmul__(self, other):
+        return self._combine(other, self.MUL, True)
+
+    def __rtruediv__(self, other):
+        return self._combine(other, self.DIV, True)
+
+    def __rmod__(self, other):
+        return self._combine(other, self.MOD, True)
+
+    def __rpow__(self, other):
+        return self._combine(other, self.POW, True)
+
+    def __rand__(self, other):
+        raise NotImplementedError(
+            "Use .bitand(), .bitor(), and .bitxor() for bitwise logical operations."
+        )
+
+    def __ror__(self, other):
+        raise NotImplementedError(
+            "Use .bitand(), .bitor(), and .bitxor() for bitwise logical operations."
+        )
+
+    def __rxor__(self, other):
+        raise NotImplementedError(
+            "Use .bitand(), .bitor(), and .bitxor() for bitwise logical operations."
+        )
+
+    def __invert__(self):
+        return NegatedExpression(self)
+
+
+class BaseExpression:
+    """Base class for all query expressions."""
+
+    empty_result_set_value = NotImplemented
+    # aggregate specific fields
+    is_summary = False
+    _output_field_resolved_to_none = False
+    # Can the expression be used in a WHERE clause?
+    filterable = True
+    # Can the expression can be used as a source expression in Window?
+    window_compatible = False
+    # Can the expression be used as a database default value?
+    allowed_default = False
+
+    def __init__(self, output_field=None):
+        if output_field is not None:
+            self.output_field = output_field
+
+    def __getstate__(self):
+        state = self.__dict__.copy()
+        state.pop("convert_value", None)
+        return state
+
+    def get_db_converters(self, connection):
+        return (
+            []
+            if self.convert_value is self._convert_value_noop
+            else [self.convert_value]
+        ) + self.output_field.get_db_converters(connection)
+
+    def get_source_expressions(self):
+        return []
+
+    def set_source_expressions(self, exprs):
+        assert not exprs
+
+    def _parse_expressions(self, *expressions):
+        return [
+            (
+                arg
+                if hasattr(arg, "resolve_expression")
+                else (F(arg) if isinstance(arg, str) else Value(arg))
+            )
+            for arg in expressions
+        ]
+
+    def as_sql(self, compiler, connection):
+        """
+        Responsible for returning a (sql, [params]) tuple to be included
+        in the current query.
+
+        Different backends can provide their own implementation, by
+        providing an `as_{vendor}` method and patching the Expression:
+
+        ```
+        def override_as_sql(self, compiler, connection):
+            # custom logic
+            return super().as_sql(compiler, connection)
+        setattr(Expression, 'as_' + connection.vendor, override_as_sql)
+        ```
+
+        Arguments:
+         * compiler: the query compiler responsible for generating the query.
+           Must have a compile method, returning a (sql, [params]) tuple.
+           Calling compiler(value) will return a quoted `value`.
+
+         * connection: the database connection used for the current query.
+
+        Return: (sql, params)
+          Where `sql` is a string containing ordered sql parameters to be
+          replaced with the elements of the list `params`.
+        """
+        raise NotImplementedError("Subclasses must implement as_sql()")
+
+    @cached_property
+    def contains_aggregate(self):
+        return any(
+            expr and expr.contains_aggregate for expr in self.get_source_expressions()
+        )
+
+    @cached_property
+    def contains_over_clause(self):
+        return any(
+            expr and expr.contains_over_clause for expr in self.get_source_expressions()
+        )
+
+    @cached_property
+    def contains_column_references(self):
+        return any(
+            expr and expr.contains_column_references
+            for expr in self.get_source_expressions()
+        )
+
+    @cached_property
+    def contains_subquery(self):
+        return any(
+            expr and (getattr(expr, "subquery", False) or expr.contains_subquery)
+            for expr in self.get_source_expressions()
+        )
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        """
+        Provide the chance to do any preprocessing or validation before being
+        added to the query.
+
+        Arguments:
+         * query: the backend query implementation
+         * allow_joins: boolean allowing or denying use of joins
+           in this query
+         * reuse: a set of reusable joins for multijoins
+         * summarize: a terminal aggregate clause
+         * for_save: whether this expression about to be used in a save or update
+
+        Return: an Expression to be added to the query.
+        """
+        c = self.copy()
+        c.is_summary = summarize
+        c.set_source_expressions(
+            [
+                (
+                    expr.resolve_expression(query, allow_joins, reuse, summarize)
+                    if expr
+                    else None
+                )
+                for expr in c.get_source_expressions()
+            ]
+        )
+        return c
+
+    @property
+    def conditional(self):
+        return isinstance(self.output_field, fields.BooleanField)
+
+    @property
+    def field(self):
+        return self.output_field
+
+    @cached_property
+    def output_field(self):
+        """Return the output type of this expressions."""
+        output_field = self._resolve_output_field()
+        if output_field is None:
+            self._output_field_resolved_to_none = True
+            raise FieldError("Cannot resolve expression type, unknown output_field")
+        return output_field
+
+    @cached_property
+    def _output_field_or_none(self):
+        """
+        Return the output field of this expression, or None if
+        _resolve_output_field() didn't return an output type.
+        """
+        try:
+            return self.output_field
+        except FieldError:
+            if not self._output_field_resolved_to_none:
+                raise
+
+    def _resolve_output_field(self):
+        """
+        Attempt to infer the output type of the expression.
+
+        As a guess, if the output fields of all source fields match then simply
+        infer the same type here.
+
+        If a source's output field resolves to None, exclude it from this check.
+        If all sources are None, then an error is raised higher up the stack in
+        the output_field property.
+        """
+        # This guess is mostly a bad idea, but there is quite a lot of code
+        # (especially 3rd party Func subclasses) that depend on it, we'd need a
+        # deprecation path to fix it.
+        sources_iter = (
+            source for source in self.get_source_fields() if source is not None
+        )
+        for output_field in sources_iter:
+            for source in sources_iter:
+                if not isinstance(output_field, source.__class__):
+                    raise FieldError(
+                        "Expression contains mixed types: %s, %s. You must "
+                        "set output_field."
+                        % (
+                            output_field.__class__.__name__,
+                            source.__class__.__name__,
+                        )
+                    )
+            return output_field
+
+    @staticmethod
+    def _convert_value_noop(value, expression, connection):
+        return value
+
+    @cached_property
+    def convert_value(self):
+        """
+        Expressions provide their own converters because users have the option
+        of manually specifying the output_field which may be a different type
+        from the one the database returns.
+        """
+        field = self.output_field
+        internal_type = field.get_internal_type()
+        if internal_type == "FloatField":
+            return lambda value, expression, connection: (
+                None if value is None else float(value)
+            )
+        elif internal_type.endswith("IntegerField"):
+            return lambda value, expression, connection: (
+                None if value is None else int(value)
+            )
+        elif internal_type == "DecimalField":
+            return lambda value, expression, connection: (
+                None if value is None else Decimal(value)
+            )
+        return self._convert_value_noop
+
+    def get_lookup(self, lookup):
+        return self.output_field.get_lookup(lookup)
+
+    def get_transform(self, name):
+        return self.output_field.get_transform(name)
+
+    def relabeled_clone(self, change_map):
+        clone = self.copy()
+        clone.set_source_expressions(
+            [
+                e.relabeled_clone(change_map) if e is not None else None
+                for e in self.get_source_expressions()
+            ]
+        )
+        return clone
+
+    def replace_expressions(self, replacements):
+        if replacement := replacements.get(self):
+            return replacement
+        clone = self.copy()
+        source_expressions = clone.get_source_expressions()
+        clone.set_source_expressions(
+            [
+                expr.replace_expressions(replacements) if expr else None
+                for expr in source_expressions
+            ]
+        )
+        return clone
+
+    def get_refs(self):
+        refs = set()
+        for expr in self.get_source_expressions():
+            refs |= expr.get_refs()
+        return refs
+
+    def copy(self):
+        return copy.copy(self)
+
+    def prefix_references(self, prefix):
+        clone = self.copy()
+        clone.set_source_expressions(
+            [
+                (
+                    F(f"{prefix}{expr.name}")
+                    if isinstance(expr, F)
+                    else expr.prefix_references(prefix)
+                )
+                for expr in self.get_source_expressions()
+            ]
+        )
+        return clone
+
+    def get_group_by_cols(self):
+        if not self.contains_aggregate:
+            return [self]
+        cols = []
+        for source in self.get_source_expressions():
+            cols.extend(source.get_group_by_cols())
+        return cols
+
+    def get_source_fields(self):
+        """Return the underlying field types used by this aggregate."""
+        return [e._output_field_or_none for e in self.get_source_expressions()]
+
+    def asc(self, **kwargs):
+        return OrderBy(self, **kwargs)
+
+    def desc(self, **kwargs):
+        return OrderBy(self, descending=True, **kwargs)
+
+    def reverse_ordering(self):
+        return self
+
+    def flatten(self):
+        """
+        Recursively yield this expression and all subexpressions, in
+        depth-first order.
+        """
+        yield self
+        for expr in self.get_source_expressions():
+            if expr:
+                if hasattr(expr, "flatten"):
+                    yield from expr.flatten()
+                else:
+                    yield expr
+
+    def select_format(self, compiler, sql, params):
+        """
+        Custom format for select clauses. For example, EXISTS expressions need
+        to be wrapped in CASE WHEN on Oracle.
+        """
+        if hasattr(self.output_field, "select_format"):
+            return self.output_field.select_format(compiler, sql, params)
+        return sql, params
+
+
+@deconstructible
+class Expression(BaseExpression, Combinable):
+    """An expression that can be combined with other expressions."""
+
+    @cached_property
+    def identity(self):
+        constructor_signature = inspect.signature(self.__init__)
+        args, kwargs = self._constructor_args
+        signature = constructor_signature.bind_partial(*args, **kwargs)
+        signature.apply_defaults()
+        arguments = signature.arguments.items()
+        identity = [self.__class__]
+        for arg, value in arguments:
+            if isinstance(value, fields.Field):
+                if value.name and value.model:
+                    value = (value.model._meta.label, value.name)
+                else:
+                    value = type(value)
+            else:
+                value = make_hashable(value)
+            identity.append((arg, value))
+        return tuple(identity)
+
+    def __eq__(self, other):
+        if not isinstance(other, Expression):
+            return NotImplemented
+        return other.identity == self.identity
+
+    def __hash__(self):
+        return hash(self.identity)
+
+
+# Type inference for CombinedExpression.output_field.
+# Missing items will result in FieldError, by design.
+#
+# The current approach for NULL is based on lowest common denominator behavior
+# i.e. if one of the supported databases is raising an error (rather than
+# return NULL) for `val <op> NULL`, then Django raises FieldError.
+
+_connector_combinations = [
+    # Numeric operations - operands of same type.
+    # PositiveIntegerField should take precedence over IntegerField (except
+    # subtraction).
+    {
+        connector: [
+            (
+                fields.PositiveIntegerField,
+                fields.PositiveIntegerField,
+                fields.PositiveIntegerField,
+            ),
+        ]
+        for connector in (
+            Combinable.ADD,
+            Combinable.MUL,
+            Combinable.DIV,
+            Combinable.MOD,
+            Combinable.POW,
+        )
+    },
+    # Other numeric operands.
+    {
+        connector: [
+            (fields.IntegerField, fields.IntegerField, fields.IntegerField),
+            (fields.FloatField, fields.FloatField, fields.FloatField),
+            (fields.DecimalField, fields.DecimalField, fields.DecimalField),
+        ]
+        for connector in (
+            Combinable.ADD,
+            Combinable.SUB,
+            Combinable.MUL,
+            # Behavior for DIV with integer arguments follows Postgres/SQLite,
+            # not MySQL/Oracle.
+            Combinable.DIV,
+            Combinable.MOD,
+            Combinable.POW,
+        )
+    },
+    # Numeric operations - operands of different type.
+    {
+        connector: [
+            (fields.IntegerField, fields.DecimalField, fields.DecimalField),
+            (fields.DecimalField, fields.IntegerField, fields.DecimalField),
+            (fields.IntegerField, fields.FloatField, fields.FloatField),
+            (fields.FloatField, fields.IntegerField, fields.FloatField),
+        ]
+        for connector in (
+            Combinable.ADD,
+            Combinable.SUB,
+            Combinable.MUL,
+            Combinable.DIV,
+            Combinable.MOD,
+        )
+    },
+    # Bitwise operators.
+    {
+        connector: [
+            (fields.IntegerField, fields.IntegerField, fields.IntegerField),
+        ]
+        for connector in (
+            Combinable.BITAND,
+            Combinable.BITOR,
+            Combinable.BITLEFTSHIFT,
+            Combinable.BITRIGHTSHIFT,
+            Combinable.BITXOR,
+        )
+    },
+    # Numeric with NULL.
+    {
+        connector: [
+            (field_type, NoneType, field_type),
+            (NoneType, field_type, field_type),
+        ]
+        for connector in (
+            Combinable.ADD,
+            Combinable.SUB,
+            Combinable.MUL,
+            Combinable.DIV,
+            Combinable.MOD,
+            Combinable.POW,
+        )
+        for field_type in (fields.IntegerField, fields.DecimalField, fields.FloatField)
+    },
+    # Date/DateTimeField/DurationField/TimeField.
+    {
+        Combinable.ADD: [
+            # Date/DateTimeField.
+            (fields.DateField, fields.DurationField, fields.DateTimeField),
+            (fields.DateTimeField, fields.DurationField, fields.DateTimeField),
+            (fields.DurationField, fields.DateField, fields.DateTimeField),
+            (fields.DurationField, fields.DateTimeField, fields.DateTimeField),
+            # DurationField.
+            (fields.DurationField, fields.DurationField, fields.DurationField),
+            # TimeField.
+            (fields.TimeField, fields.DurationField, fields.TimeField),
+            (fields.DurationField, fields.TimeField, fields.TimeField),
+        ],
+    },
+    {
+        Combinable.SUB: [
+            # Date/DateTimeField.
+            (fields.DateField, fields.DurationField, fields.DateTimeField),
+            (fields.DateTimeField, fields.DurationField, fields.DateTimeField),
+            (fields.DateField, fields.DateField, fields.DurationField),
+            (fields.DateField, fields.DateTimeField, fields.DurationField),
+            (fields.DateTimeField, fields.DateField, fields.DurationField),
+            (fields.DateTimeField, fields.DateTimeField, fields.DurationField),
+            # DurationField.
+            (fields.DurationField, fields.DurationField, fields.DurationField),
+            # TimeField.
+            (fields.TimeField, fields.DurationField, fields.TimeField),
+            (fields.TimeField, fields.TimeField, fields.DurationField),
+        ],
+    },
+]
+
+_connector_combinators = defaultdict(list)
+
+
+def register_combinable_fields(lhs, connector, rhs, result):
+    """
+    Register combinable types:
+        lhs <connector> rhs -> result
+    e.g.
+        register_combinable_fields(
+            IntegerField, Combinable.ADD, FloatField, FloatField
+        )
+    """
+    _connector_combinators[connector].append((lhs, rhs, result))
+
+
+for d in _connector_combinations:
+    for connector, field_types in d.items():
+        for lhs, rhs, result in field_types:
+            register_combinable_fields(lhs, connector, rhs, result)
+
+
+@functools.lru_cache(maxsize=128)
+def _resolve_combined_type(connector, lhs_type, rhs_type):
+    combinators = _connector_combinators.get(connector, ())
+    for combinator_lhs_type, combinator_rhs_type, combined_type in combinators:
+        if issubclass(lhs_type, combinator_lhs_type) and issubclass(
+            rhs_type, combinator_rhs_type
+        ):
+            return combined_type
+
+
+class CombinedExpression(SQLiteNumericMixin, Expression):
+    def __init__(self, lhs, connector, rhs, output_field=None):
+        super().__init__(output_field=output_field)
+        self.connector = connector
+        self.lhs = lhs
+        self.rhs = rhs
+
+    def __repr__(self):
+        return "<{}: {}>".format(self.__class__.__name__, self)
+
+    def __str__(self):
+        return "{} {} {}".format(self.lhs, self.connector, self.rhs)
+
+    def get_source_expressions(self):
+        return [self.lhs, self.rhs]
+
+    def set_source_expressions(self, exprs):
+        self.lhs, self.rhs = exprs
+
+    def _resolve_output_field(self):
+        # We avoid using super() here for reasons given in
+        # Expression._resolve_output_field()
+        combined_type = _resolve_combined_type(
+            self.connector,
+            type(self.lhs._output_field_or_none),
+            type(self.rhs._output_field_or_none),
+        )
+        if combined_type is None:
+            raise FieldError(
+                f"Cannot infer type of {self.connector!r} expression involving these "
+                f"types: {self.lhs.output_field.__class__.__name__}, "
+                f"{self.rhs.output_field.__class__.__name__}. You must set "
+                f"output_field."
+            )
+        return combined_type()
+
+    def as_sql(self, compiler, connection):
+        expressions = []
+        expression_params = []
+        sql, params = compiler.compile(self.lhs)
+        expressions.append(sql)
+        expression_params.extend(params)
+        sql, params = compiler.compile(self.rhs)
+        expressions.append(sql)
+        expression_params.extend(params)
+        # order of precedence
+        expression_wrapper = "(%s)"
+        sql = connection.ops.combine_expression(self.connector, expressions)
+        return expression_wrapper % sql, expression_params
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        lhs = self.lhs.resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        rhs = self.rhs.resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        if not isinstance(self, (DurationExpression, TemporalSubtraction)):
+            try:
+                lhs_type = lhs.output_field.get_internal_type()
+            except (AttributeError, FieldError):
+                lhs_type = None
+            try:
+                rhs_type = rhs.output_field.get_internal_type()
+            except (AttributeError, FieldError):
+                rhs_type = None
+            if "DurationField" in {lhs_type, rhs_type} and lhs_type != rhs_type:
+                return DurationExpression(
+                    self.lhs, self.connector, self.rhs
+                ).resolve_expression(
+                    query,
+                    allow_joins,
+                    reuse,
+                    summarize,
+                    for_save,
+                )
+            datetime_fields = {"DateField", "DateTimeField", "TimeField"}
+            if (
+                self.connector == self.SUB
+                and lhs_type in datetime_fields
+                and lhs_type == rhs_type
+            ):
+                return TemporalSubtraction(self.lhs, self.rhs).resolve_expression(
+                    query,
+                    allow_joins,
+                    reuse,
+                    summarize,
+                    for_save,
+                )
+        c = self.copy()
+        c.is_summary = summarize
+        c.lhs = lhs
+        c.rhs = rhs
+        return c
+
+    @cached_property
+    def allowed_default(self):
+        return self.lhs.allowed_default and self.rhs.allowed_default
+
+
+class DurationExpression(CombinedExpression):
+    def compile(self, side, compiler, connection):
+        try:
+            output = side.output_field
+        except FieldError:
+            pass
+        else:
+            if output.get_internal_type() == "DurationField":
+                sql, params = compiler.compile(side)
+                return connection.ops.format_for_duration_arithmetic(sql), params
+        return compiler.compile(side)
+
+    def as_sql(self, compiler, connection):
+        if connection.features.has_native_duration_field:
+            return super().as_sql(compiler, connection)
+        connection.ops.check_expression_support(self)
+        expressions = []
+        expression_params = []
+        sql, params = self.compile(self.lhs, compiler, connection)
+        expressions.append(sql)
+        expression_params.extend(params)
+        sql, params = self.compile(self.rhs, compiler, connection)
+        expressions.append(sql)
+        expression_params.extend(params)
+        # order of precedence
+        expression_wrapper = "(%s)"
+        sql = connection.ops.combine_duration_expression(self.connector, expressions)
+        return expression_wrapper % sql, expression_params
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        sql, params = self.as_sql(compiler, connection, **extra_context)
+        if self.connector in {Combinable.MUL, Combinable.DIV}:
+            try:
+                lhs_type = self.lhs.output_field.get_internal_type()
+                rhs_type = self.rhs.output_field.get_internal_type()
+            except (AttributeError, FieldError):
+                pass
+            else:
+                allowed_fields = {
+                    "DecimalField",
+                    "DurationField",
+                    "FloatField",
+                    "IntegerField",
+                }
+                if lhs_type not in allowed_fields or rhs_type not in allowed_fields:
+                    raise DatabaseError(
+                        f"Invalid arguments for operator {self.connector}."
+                    )
+        return sql, params
+
+
+class TemporalSubtraction(CombinedExpression):
+    output_field = fields.DurationField()
+
+    def __init__(self, lhs, rhs):
+        super().__init__(lhs, self.SUB, rhs)
+
+    def as_sql(self, compiler, connection):
+        connection.ops.check_expression_support(self)
+        lhs = compiler.compile(self.lhs)
+        rhs = compiler.compile(self.rhs)
+        return connection.ops.subtract_temporals(
+            self.lhs.output_field.get_internal_type(), lhs, rhs
+        )
+
+
+@deconstructible(path="django.db.models.F")
+class F(Combinable):
+    """An object capable of resolving references to existing query objects."""
+
+    allowed_default = False
+
+    def __init__(self, name):
+        """
+        Arguments:
+         * name: the name of the field this expression references
+        """
+        self.name = name
+
+    def __repr__(self):
+        return "{}({})".format(self.__class__.__name__, self.name)
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        return query.resolve_ref(self.name, allow_joins, reuse, summarize)
+
+    def replace_expressions(self, replacements):
+        return replacements.get(self, self)
+
+    def asc(self, **kwargs):
+        return OrderBy(self, **kwargs)
+
+    def desc(self, **kwargs):
+        return OrderBy(self, descending=True, **kwargs)
+
+    def __eq__(self, other):
+        return self.__class__ == other.__class__ and self.name == other.name
+
+    def __hash__(self):
+        return hash(self.name)
+
+    def copy(self):
+        return copy.copy(self)
+
+
+class ResolvedOuterRef(F):
+    """
+    An object that contains a reference to an outer query.
+
+    In this case, the reference to the outer query has been resolved because
+    the inner query has been used as a subquery.
+    """
+
+    contains_aggregate = False
+    contains_over_clause = False
+
+    def as_sql(self, *args, **kwargs):
+        raise ValueError(
+            "This queryset contains a reference to an outer query and may "
+            "only be used in a subquery."
+        )
+
+    def resolve_expression(self, *args, **kwargs):
+        col = super().resolve_expression(*args, **kwargs)
+        if col.contains_over_clause:
+            raise NotSupportedError(
+                f"Referencing outer query window expression is not supported: "
+                f"{self.name}."
+            )
+        # FIXME: Rename possibly_multivalued to multivalued and fix detection
+        # for non-multivalued JOINs (e.g. foreign key fields). This should take
+        # into account only many-to-many and one-to-many relationships.
+        col.possibly_multivalued = LOOKUP_SEP in self.name
+        return col
+
+    def relabeled_clone(self, relabels):
+        return self
+
+    def get_group_by_cols(self):
+        return []
+
+
+class OuterRef(F):
+    contains_aggregate = False
+    contains_over_clause = False
+
+    def resolve_expression(self, *args, **kwargs):
+        if isinstance(self.name, self.__class__):
+            return self.name
+        return ResolvedOuterRef(self.name)
+
+    def relabeled_clone(self, relabels):
+        return self
+
+
+@deconstructible(path="django.db.models.Func")
+class Func(SQLiteNumericMixin, Expression):
+    """An SQL function call."""
+
+    function = None
+    template = "%(function)s(%(expressions)s)"
+    arg_joiner = ", "
+    arity = None  # The number of arguments the function accepts.
+
+    def __init__(self, *expressions, output_field=None, **extra):
+        if self.arity is not None and len(expressions) != self.arity:
+            raise TypeError(
+                "'%s' takes exactly %s %s (%s given)"
+                % (
+                    self.__class__.__name__,
+                    self.arity,
+                    "argument" if self.arity == 1 else "arguments",
+                    len(expressions),
+                )
+            )
+        super().__init__(output_field=output_field)
+        self.source_expressions = self._parse_expressions(*expressions)
+        self.extra = extra
+
+    def __repr__(self):
+        args = self.arg_joiner.join(str(arg) for arg in self.source_expressions)
+        extra = {**self.extra, **self._get_repr_options()}
+        if extra:
+            extra = ", ".join(
+                str(key) + "=" + str(val) for key, val in sorted(extra.items())
+            )
+            return "{}({}, {})".format(self.__class__.__name__, args, extra)
+        return "{}({})".format(self.__class__.__name__, args)
+
+    def _get_repr_options(self):
+        """Return a dict of extra __init__() options to include in the repr."""
+        return {}
+
+    def get_source_expressions(self):
+        return self.source_expressions
+
+    def set_source_expressions(self, exprs):
+        self.source_expressions = exprs
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        c = self.copy()
+        c.is_summary = summarize
+        for pos, arg in enumerate(c.source_expressions):
+            c.source_expressions[pos] = arg.resolve_expression(
+                query, allow_joins, reuse, summarize, for_save
+            )
+        return c
+
+    def as_sql(
+        self,
+        compiler,
+        connection,
+        function=None,
+        template=None,
+        arg_joiner=None,
+        **extra_context,
+    ):
+        connection.ops.check_expression_support(self)
+        sql_parts = []
+        params = []
+        for arg in self.source_expressions:
+            try:
+                arg_sql, arg_params = compiler.compile(arg)
+            except EmptyResultSet:
+                empty_result_set_value = getattr(
+                    arg, "empty_result_set_value", NotImplemented
+                )
+                if empty_result_set_value is NotImplemented:
+                    raise
+                arg_sql, arg_params = compiler.compile(Value(empty_result_set_value))
+            except FullResultSet:
+                arg_sql, arg_params = compiler.compile(Value(True))
+            sql_parts.append(arg_sql)
+            params.extend(arg_params)
+        data = {**self.extra, **extra_context}
+        # Use the first supplied value in this order: the parameter to this
+        # method, a value supplied in __init__()'s **extra (the value in
+        # `data`), or the value defined on the class.
+        if function is not None:
+            data["function"] = function
+        else:
+            data.setdefault("function", self.function)
+        template = template or data.get("template", self.template)
+        arg_joiner = arg_joiner or data.get("arg_joiner", self.arg_joiner)
+        data["expressions"] = data["field"] = arg_joiner.join(sql_parts)
+        return template % data, params
+
+    def copy(self):
+        copy = super().copy()
+        copy.source_expressions = self.source_expressions[:]
+        copy.extra = self.extra.copy()
+        return copy
+
+    @cached_property
+    def allowed_default(self):
+        return all(expression.allowed_default for expression in self.source_expressions)
+
+
+@deconstructible(path="django.db.models.Value")
+class Value(SQLiteNumericMixin, Expression):
+    """Represent a wrapped value as a node within an expression."""
+
+    # Provide a default value for `for_save` in order to allow unresolved
+    # instances to be compiled until a decision is taken in #25425.
+    for_save = False
+    allowed_default = True
+
+    def __init__(self, value, output_field=None):
+        """
+        Arguments:
+         * value: the value this expression represents. The value will be
+           added into the sql parameter list and properly quoted.
+
+         * output_field: an instance of the model field type that this
+           expression will return, such as IntegerField() or CharField().
+        """
+        super().__init__(output_field=output_field)
+        self.value = value
+
+    def __repr__(self):
+        return f"{self.__class__.__name__}({self.value!r})"
+
+    def as_sql(self, compiler, connection):
+        connection.ops.check_expression_support(self)
+        val = self.value
+        output_field = self._output_field_or_none
+        if output_field is not None:
+            if self.for_save:
+                val = output_field.get_db_prep_save(val, connection=connection)
+            else:
+                val = output_field.get_db_prep_value(val, connection=connection)
+            if hasattr(output_field, "get_placeholder"):
+                return output_field.get_placeholder(val, compiler, connection), [val]
+        if val is None:
+            # oracledb does not always convert None to the appropriate
+            # NULL type (like in case expressions using numbers), so we
+            # use a literal SQL NULL
+            return "NULL", []
+        return "%s", [val]
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        c = super().resolve_expression(query, allow_joins, reuse, summarize, for_save)
+        c.for_save = for_save
+        return c
+
+    def get_group_by_cols(self):
+        return []
+
+    def _resolve_output_field(self):
+        if isinstance(self.value, str):
+            return fields.CharField()
+        if isinstance(self.value, bool):
+            return fields.BooleanField()
+        if isinstance(self.value, int):
+            return fields.IntegerField()
+        if isinstance(self.value, float):
+            return fields.FloatField()
+        if isinstance(self.value, datetime.datetime):
+            return fields.DateTimeField()
+        if isinstance(self.value, datetime.date):
+            return fields.DateField()
+        if isinstance(self.value, datetime.time):
+            return fields.TimeField()
+        if isinstance(self.value, datetime.timedelta):
+            return fields.DurationField()
+        if isinstance(self.value, Decimal):
+            return fields.DecimalField()
+        if isinstance(self.value, bytes):
+            return fields.BinaryField()
+        if isinstance(self.value, UUID):
+            return fields.UUIDField()
+
+    @property
+    def empty_result_set_value(self):
+        return self.value
+
+
+class RawSQL(Expression):
+    allowed_default = True
+
+    def __init__(self, sql, params, output_field=None):
+        if output_field is None:
+            output_field = fields.Field()
+        self.sql, self.params = sql, params
+        super().__init__(output_field=output_field)
+
+    def __repr__(self):
+        return "{}({}, {})".format(self.__class__.__name__, self.sql, self.params)
+
+    def as_sql(self, compiler, connection):
+        return "(%s)" % self.sql, self.params
+
+    def get_group_by_cols(self):
+        return [self]
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        # Resolve parents fields used in raw SQL.
+        if query.model:
+            for parent in query.model._meta.get_parent_list():
+                for parent_field in parent._meta.local_fields:
+                    _, column_name = parent_field.get_attname_column()
+                    if column_name.lower() in self.sql.lower():
+                        query.resolve_ref(
+                            parent_field.name, allow_joins, reuse, summarize
+                        )
+                        break
+        return super().resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+
+
+class Star(Expression):
+    def __repr__(self):
+        return "'*'"
+
+    def as_sql(self, compiler, connection):
+        return "*", []
+
+
+class DatabaseDefault(Expression):
+    """Placeholder expression for the database default in an insert query."""
+
+    def as_sql(self, compiler, connection):
+        return "DEFAULT", []
+
+
+class Col(Expression):
+    contains_column_references = True
+    possibly_multivalued = False
+
+    def __init__(self, alias, target, output_field=None):
+        if output_field is None:
+            output_field = target
+        super().__init__(output_field=output_field)
+        self.alias, self.target = alias, target
+
+    def __repr__(self):
+        alias, target = self.alias, self.target
+        identifiers = (alias, str(target)) if alias else (str(target),)
+        return "{}({})".format(self.__class__.__name__, ", ".join(identifiers))
+
+    def as_sql(self, compiler, connection):
+        alias, column = self.alias, self.target.column
+        identifiers = (alias, column) if alias else (column,)
+        sql = ".".join(map(compiler.quote_name_unless_alias, identifiers))
+        return sql, []
+
+    def relabeled_clone(self, relabels):
+        if self.alias is None:
+            return self
+        return self.__class__(
+            relabels.get(self.alias, self.alias), self.target, self.output_field
+        )
+
+    def get_group_by_cols(self):
+        return [self]
+
+    def get_db_converters(self, connection):
+        if self.target == self.output_field:
+            return self.output_field.get_db_converters(connection)
+        return self.output_field.get_db_converters(
+            connection
+        ) + self.target.get_db_converters(connection)
+
+
+class Ref(Expression):
+    """
+    Reference to column alias of the query. For example, Ref('sum_cost') in
+    qs.annotate(sum_cost=Sum('cost')) query.
+    """
+
+    def __init__(self, refs, source):
+        super().__init__()
+        self.refs, self.source = refs, source
+
+    def __repr__(self):
+        return "{}({}, {})".format(self.__class__.__name__, self.refs, self.source)
+
+    def get_source_expressions(self):
+        return [self.source]
+
+    def set_source_expressions(self, exprs):
+        (self.source,) = exprs
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        # The sub-expression `source` has already been resolved, as this is
+        # just a reference to the name of `source`.
+        return self
+
+    def get_refs(self):
+        return {self.refs}
+
+    def relabeled_clone(self, relabels):
+        clone = self.copy()
+        clone.source = self.source.relabeled_clone(relabels)
+        return clone
+
+    def as_sql(self, compiler, connection):
+        return connection.ops.quote_name(self.refs), []
+
+    def get_group_by_cols(self):
+        return [self]
+
+
+class ExpressionList(Func):
+    """
+    An expression containing multiple expressions. Can be used to provide a
+    list of expressions as an argument to another expression, like a partition
+    clause.
+    """
+
+    template = "%(expressions)s"
+
+    def __init__(self, *expressions, **extra):
+        if not expressions:
+            raise ValueError(
+                "%s requires at least one expression." % self.__class__.__name__
+            )
+        super().__init__(*expressions, **extra)
+
+    def __str__(self):
+        return self.arg_joiner.join(str(arg) for arg in self.source_expressions)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        # Casting to numeric is unnecessary.
+        return self.as_sql(compiler, connection, **extra_context)
+
+    def get_group_by_cols(self):
+        group_by_cols = []
+        for partition in self.get_source_expressions():
+            group_by_cols.extend(partition.get_group_by_cols())
+        return group_by_cols
+
+
+class OrderByList(Func):
+    allowed_default = False
+    template = "ORDER BY %(expressions)s"
+
+    def __init__(self, *expressions, **extra):
+        expressions = (
+            (
+                OrderBy(F(expr[1:]), descending=True)
+                if isinstance(expr, str) and expr[0] == "-"
+                else expr
+            )
+            for expr in expressions
+        )
+        super().__init__(*expressions, **extra)
+
+    def as_sql(self, *args, **kwargs):
+        if not self.source_expressions:
+            return "", ()
+        return super().as_sql(*args, **kwargs)
+
+    def get_group_by_cols(self):
+        group_by_cols = []
+        for order_by in self.get_source_expressions():
+            group_by_cols.extend(order_by.get_group_by_cols())
+        return group_by_cols
+
+
+@deconstructible(path="django.db.models.ExpressionWrapper")
+class ExpressionWrapper(SQLiteNumericMixin, Expression):
+    """
+    An expression that can wrap another expression so that it can provide
+    extra context to the inner expression, such as the output_field.
+    """
+
+    def __init__(self, expression, output_field):
+        super().__init__(output_field=output_field)
+        self.expression = expression
+
+    def set_source_expressions(self, exprs):
+        self.expression = exprs[0]
+
+    def get_source_expressions(self):
+        return [self.expression]
+
+    def get_group_by_cols(self):
+        if isinstance(self.expression, Expression):
+            expression = self.expression.copy()
+            expression.output_field = self.output_field
+            return expression.get_group_by_cols()
+        # For non-expressions e.g. an SQL WHERE clause, the entire
+        # `expression` must be included in the GROUP BY clause.
+        return super().get_group_by_cols()
+
+    def as_sql(self, compiler, connection):
+        return compiler.compile(self.expression)
+
+    def __repr__(self):
+        return "{}({})".format(self.__class__.__name__, self.expression)
+
+    @property
+    def allowed_default(self):
+        return self.expression.allowed_default
+
+
+class NegatedExpression(ExpressionWrapper):
+    """The logical negation of a conditional expression."""
+
+    def __init__(self, expression):
+        super().__init__(expression, output_field=fields.BooleanField())
+
+    def __invert__(self):
+        return self.expression.copy()
+
+    def as_sql(self, compiler, connection):
+        try:
+            sql, params = super().as_sql(compiler, connection)
+        except EmptyResultSet:
+            features = compiler.connection.features
+            if not features.supports_boolean_expr_in_select_clause:
+                return "1=1", ()
+            return compiler.compile(Value(True))
+        ops = compiler.connection.ops
+        # Some database backends (e.g. Oracle) don't allow EXISTS() and filters
+        # to be compared to another expression unless they're wrapped in a CASE
+        # WHEN.
+        if not ops.conditional_expression_supported_in_where_clause(self.expression):
+            return f"CASE WHEN {sql} = 0 THEN 1 ELSE 0 END", params
+        return f"NOT {sql}", params
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        resolved = super().resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        if not getattr(resolved.expression, "conditional", False):
+            raise TypeError("Cannot negate non-conditional expressions.")
+        return resolved
+
+    def select_format(self, compiler, sql, params):
+        # Wrap boolean expressions with a CASE WHEN expression if a database
+        # backend (e.g. Oracle) doesn't support boolean expression in SELECT or
+        # GROUP BY list.
+        expression_supported_in_where_clause = (
+            compiler.connection.ops.conditional_expression_supported_in_where_clause
+        )
+        if (
+            not compiler.connection.features.supports_boolean_expr_in_select_clause
+            # Avoid double wrapping.
+            and expression_supported_in_where_clause(self.expression)
+        ):
+            sql = "CASE WHEN {} THEN 1 ELSE 0 END".format(sql)
+        return sql, params
+
+
+@deconstructible(path="django.db.models.When")
+class When(Expression):
+    template = "WHEN %(condition)s THEN %(result)s"
+    # This isn't a complete conditional expression, must be used in Case().
+    conditional = False
+
+    def __init__(self, condition=None, then=None, **lookups):
+        if lookups:
+            if condition is None:
+                condition, lookups = Q(**lookups), None
+            elif getattr(condition, "conditional", False):
+                condition, lookups = Q(condition, **lookups), None
+        if condition is None or not getattr(condition, "conditional", False) or lookups:
+            raise TypeError(
+                "When() supports a Q object, a boolean expression, or lookups "
+                "as a condition."
+            )
+        if isinstance(condition, Q) and not condition:
+            raise ValueError("An empty Q() can't be used as a When() condition.")
+        super().__init__(output_field=None)
+        self.condition = condition
+        self.result = self._parse_expressions(then)[0]
+
+    def __str__(self):
+        return "WHEN %r THEN %r" % (self.condition, self.result)
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self)
+
+    def get_source_expressions(self):
+        return [self.condition, self.result]
+
+    def set_source_expressions(self, exprs):
+        self.condition, self.result = exprs
+
+    def get_source_fields(self):
+        # We're only interested in the fields of the result expressions.
+        return [self.result._output_field_or_none]
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        c = self.copy()
+        c.is_summary = summarize
+        if hasattr(c.condition, "resolve_expression"):
+            c.condition = c.condition.resolve_expression(
+                query, allow_joins, reuse, summarize, False
+            )
+        c.result = c.result.resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        return c
+
+    def as_sql(self, compiler, connection, template=None, **extra_context):
+        connection.ops.check_expression_support(self)
+        template_params = extra_context
+        sql_params = []
+        condition_sql, condition_params = compiler.compile(self.condition)
+        template_params["condition"] = condition_sql
+        result_sql, result_params = compiler.compile(self.result)
+        template_params["result"] = result_sql
+        template = template or self.template
+        return template % template_params, (
+            *sql_params,
+            *condition_params,
+            *result_params,
+        )
+
+    def get_group_by_cols(self):
+        # This is not a complete expression and cannot be used in GROUP BY.
+        cols = []
+        for source in self.get_source_expressions():
+            cols.extend(source.get_group_by_cols())
+        return cols
+
+    @cached_property
+    def allowed_default(self):
+        return self.condition.allowed_default and self.result.allowed_default
+
+
+@deconstructible(path="django.db.models.Case")
+class Case(SQLiteNumericMixin, Expression):
+    """
+    An SQL searched CASE expression:
+
+        CASE
+            WHEN n > 0
+                THEN 'positive'
+            WHEN n < 0
+                THEN 'negative'
+            ELSE 'zero'
+        END
+    """
+
+    template = "CASE %(cases)s ELSE %(default)s END"
+    case_joiner = " "
+
+    def __init__(self, *cases, default=None, output_field=None, **extra):
+        if not all(isinstance(case, When) for case in cases):
+            raise TypeError("Positional arguments must all be When objects.")
+        super().__init__(output_field)
+        self.cases = list(cases)
+        self.default = self._parse_expressions(default)[0]
+        self.extra = extra
+
+    def __str__(self):
+        return "CASE %s, ELSE %r" % (
+            ", ".join(str(c) for c in self.cases),
+            self.default,
+        )
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self)
+
+    def get_source_expressions(self):
+        return self.cases + [self.default]
+
+    def set_source_expressions(self, exprs):
+        *self.cases, self.default = exprs
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        c = self.copy()
+        c.is_summary = summarize
+        for pos, case in enumerate(c.cases):
+            c.cases[pos] = case.resolve_expression(
+                query, allow_joins, reuse, summarize, for_save
+            )
+        c.default = c.default.resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        return c
+
+    def copy(self):
+        c = super().copy()
+        c.cases = c.cases[:]
+        return c
+
+    def as_sql(
+        self, compiler, connection, template=None, case_joiner=None, **extra_context
+    ):
+        connection.ops.check_expression_support(self)
+        if not self.cases:
+            return compiler.compile(self.default)
+        template_params = {**self.extra, **extra_context}
+        case_parts = []
+        sql_params = []
+        default_sql, default_params = compiler.compile(self.default)
+        for case in self.cases:
+            try:
+                case_sql, case_params = compiler.compile(case)
+            except EmptyResultSet:
+                continue
+            except FullResultSet:
+                default_sql, default_params = compiler.compile(case.result)
+                break
+            case_parts.append(case_sql)
+            sql_params.extend(case_params)
+        if not case_parts:
+            return default_sql, default_params
+        case_joiner = case_joiner or self.case_joiner
+        template_params["cases"] = case_joiner.join(case_parts)
+        template_params["default"] = default_sql
+        sql_params.extend(default_params)
+        template = template or template_params.get("template", self.template)
+        sql = template % template_params
+        if self._output_field_or_none is not None:
+            sql = connection.ops.unification_cast_sql(self.output_field) % sql
+        return sql, sql_params
+
+    def get_group_by_cols(self):
+        if not self.cases:
+            return self.default.get_group_by_cols()
+        return super().get_group_by_cols()
+
+    @cached_property
+    def allowed_default(self):
+        return self.default.allowed_default and all(
+            case_.allowed_default for case_ in self.cases
+        )
+
+
+class Subquery(BaseExpression, Combinable):
+    """
+    An explicit subquery. It may contain OuterRef() references to the outer
+    query which will be resolved when it is applied to that query.
+    """
+
+    template = "(%(subquery)s)"
+    contains_aggregate = False
+    empty_result_set_value = None
+    subquery = True
+
+    def __init__(self, queryset, output_field=None, **extra):
+        # Allow the usage of both QuerySet and sql.Query objects.
+        self.query = getattr(queryset, "query", queryset).clone()
+        self.query.subquery = True
+        self.extra = extra
+        super().__init__(output_field)
+
+    def get_source_expressions(self):
+        return [self.query]
+
+    def set_source_expressions(self, exprs):
+        self.query = exprs[0]
+
+    def _resolve_output_field(self):
+        return self.query.output_field
+
+    def copy(self):
+        clone = super().copy()
+        clone.query = clone.query.clone()
+        return clone
+
+    @property
+    def external_aliases(self):
+        return self.query.external_aliases
+
+    def get_external_cols(self):
+        return self.query.get_external_cols()
+
+    def as_sql(self, compiler, connection, template=None, **extra_context):
+        connection.ops.check_expression_support(self)
+        template_params = {**self.extra, **extra_context}
+        subquery_sql, sql_params = self.query.as_sql(compiler, connection)
+        template_params["subquery"] = subquery_sql[1:-1]
+
+        template = template or template_params.get("template", self.template)
+        sql = template % template_params
+        return sql, sql_params
+
+    def get_group_by_cols(self):
+        return self.query.get_group_by_cols(wrapper=self)
+
+
+class Exists(Subquery):
+    template = "EXISTS(%(subquery)s)"
+    output_field = fields.BooleanField()
+    empty_result_set_value = False
+
+    def __init__(self, queryset, **kwargs):
+        super().__init__(queryset, **kwargs)
+        self.query = self.query.exists()
+
+    def select_format(self, compiler, sql, params):
+        # Wrap EXISTS() with a CASE WHEN expression if a database backend
+        # (e.g. Oracle) doesn't support boolean expression in SELECT or GROUP
+        # BY list.
+        if not compiler.connection.features.supports_boolean_expr_in_select_clause:
+            sql = "CASE WHEN {} THEN 1 ELSE 0 END".format(sql)
+        return sql, params
+
+    def as_sql(self, compiler, *args, **kwargs):
+        try:
+            return super().as_sql(compiler, *args, **kwargs)
+        except EmptyResultSet:
+            features = compiler.connection.features
+            if not features.supports_boolean_expr_in_select_clause:
+                return "1=0", ()
+            return compiler.compile(Value(False))
+
+
+@deconstructible(path="django.db.models.OrderBy")
+class OrderBy(Expression):
+    template = "%(expression)s %(ordering)s"
+    conditional = False
+
+    def __init__(self, expression, descending=False, nulls_first=None, nulls_last=None):
+        if nulls_first and nulls_last:
+            raise ValueError("nulls_first and nulls_last are mutually exclusive")
+        if nulls_first is False or nulls_last is False:
+            raise ValueError("nulls_first and nulls_last values must be True or None.")
+        self.nulls_first = nulls_first
+        self.nulls_last = nulls_last
+        self.descending = descending
+        if not hasattr(expression, "resolve_expression"):
+            raise ValueError("expression must be an expression type")
+        self.expression = expression
+
+    def __repr__(self):
+        return "{}({}, descending={})".format(
+            self.__class__.__name__, self.expression, self.descending
+        )
+
+    def set_source_expressions(self, exprs):
+        self.expression = exprs[0]
+
+    def get_source_expressions(self):
+        return [self.expression]
+
+    def as_sql(self, compiler, connection, template=None, **extra_context):
+        template = template or self.template
+        if connection.features.supports_order_by_nulls_modifier:
+            if self.nulls_last:
+                template = "%s NULLS LAST" % template
+            elif self.nulls_first:
+                template = "%s NULLS FIRST" % template
+        else:
+            if self.nulls_last and not (
+                self.descending and connection.features.order_by_nulls_first
+            ):
+                template = "%%(expression)s IS NULL, %s" % template
+            elif self.nulls_first and not (
+                not self.descending and connection.features.order_by_nulls_first
+            ):
+                template = "%%(expression)s IS NOT NULL, %s" % template
+        connection.ops.check_expression_support(self)
+        expression_sql, params = compiler.compile(self.expression)
+        placeholders = {
+            "expression": expression_sql,
+            "ordering": "DESC" if self.descending else "ASC",
+            **extra_context,
+        }
+        params *= template.count("%(expression)s")
+        return (template % placeholders).rstrip(), params
+
+    def as_oracle(self, compiler, connection):
+        # Oracle < 23c doesn't allow ORDER BY EXISTS() or filters unless it's
+        # wrapped in a CASE WHEN.
+        if (
+            not connection.features.supports_boolean_expr_in_select_clause
+            and connection.ops.conditional_expression_supported_in_where_clause(
+                self.expression
+            )
+        ):
+            copy = self.copy()
+            copy.expression = Case(
+                When(self.expression, then=True),
+                default=False,
+            )
+            return copy.as_sql(compiler, connection)
+        return self.as_sql(compiler, connection)
+
+    def get_group_by_cols(self):
+        cols = []
+        for source in self.get_source_expressions():
+            cols.extend(source.get_group_by_cols())
+        return cols
+
+    def reverse_ordering(self):
+        self.descending = not self.descending
+        if self.nulls_first:
+            self.nulls_last = True
+            self.nulls_first = None
+        elif self.nulls_last:
+            self.nulls_first = True
+            self.nulls_last = None
+        return self
+
+    def asc(self):
+        self.descending = False
+
+    def desc(self):
+        self.descending = True
+
+
+class Window(SQLiteNumericMixin, Expression):
+    template = "%(expression)s OVER (%(window)s)"
+    # Although the main expression may either be an aggregate or an
+    # expression with an aggregate function, the GROUP BY that will
+    # be introduced in the query as a result is not desired.
+    contains_aggregate = False
+    contains_over_clause = True
+
+    def __init__(
+        self,
+        expression,
+        partition_by=None,
+        order_by=None,
+        frame=None,
+        output_field=None,
+    ):
+        self.partition_by = partition_by
+        self.order_by = order_by
+        self.frame = frame
+
+        if not getattr(expression, "window_compatible", False):
+            raise ValueError(
+                "Expression '%s' isn't compatible with OVER clauses."
+                % expression.__class__.__name__
+            )
+
+        if self.partition_by is not None:
+            if not isinstance(self.partition_by, (tuple, list)):
+                self.partition_by = (self.partition_by,)
+            self.partition_by = ExpressionList(*self.partition_by)
+
+        if self.order_by is not None:
+            if isinstance(self.order_by, (list, tuple)):
+                self.order_by = OrderByList(*self.order_by)
+            elif isinstance(self.order_by, (BaseExpression, str)):
+                self.order_by = OrderByList(self.order_by)
+            else:
+                raise ValueError(
+                    "Window.order_by must be either a string reference to a "
+                    "field, an expression, or a list or tuple of them."
+                )
+        super().__init__(output_field=output_field)
+        self.source_expression = self._parse_expressions(expression)[0]
+
+    def _resolve_output_field(self):
+        return self.source_expression.output_field
+
+    def get_source_expressions(self):
+        return [self.source_expression, self.partition_by, self.order_by, self.frame]
+
+    def set_source_expressions(self, exprs):
+        self.source_expression, self.partition_by, self.order_by, self.frame = exprs
+
+    def as_sql(self, compiler, connection, template=None):
+        connection.ops.check_expression_support(self)
+        if not connection.features.supports_over_clause:
+            raise NotSupportedError("This backend does not support window expressions.")
+        expr_sql, params = compiler.compile(self.source_expression)
+        window_sql, window_params = [], ()
+
+        if self.partition_by is not None:
+            sql_expr, sql_params = self.partition_by.as_sql(
+                compiler=compiler,
+                connection=connection,
+                template="PARTITION BY %(expressions)s",
+            )
+            window_sql.append(sql_expr)
+            window_params += tuple(sql_params)
+
+        if self.order_by is not None:
+            order_sql, order_params = compiler.compile(self.order_by)
+            window_sql.append(order_sql)
+            window_params += tuple(order_params)
+
+        if self.frame:
+            frame_sql, frame_params = compiler.compile(self.frame)
+            window_sql.append(frame_sql)
+            window_params += tuple(frame_params)
+
+        template = template or self.template
+
+        return (
+            template % {"expression": expr_sql, "window": " ".join(window_sql).strip()},
+            (*params, *window_params),
+        )
+
+    def as_sqlite(self, compiler, connection):
+        if isinstance(self.output_field, fields.DecimalField):
+            # Casting to numeric must be outside of the window expression.
+            copy = self.copy()
+            source_expressions = copy.get_source_expressions()
+            source_expressions[0].output_field = fields.FloatField()
+            copy.set_source_expressions(source_expressions)
+            return super(Window, copy).as_sqlite(compiler, connection)
+        return self.as_sql(compiler, connection)
+
+    def __str__(self):
+        return "{} OVER ({}{}{})".format(
+            str(self.source_expression),
+            "PARTITION BY " + str(self.partition_by) if self.partition_by else "",
+            str(self.order_by or ""),
+            str(self.frame or ""),
+        )
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self)
+
+    def get_group_by_cols(self):
+        group_by_cols = []
+        if self.partition_by:
+            group_by_cols.extend(self.partition_by.get_group_by_cols())
+        if self.order_by is not None:
+            group_by_cols.extend(self.order_by.get_group_by_cols())
+        return group_by_cols
+
+
+class WindowFrame(Expression):
+    """
+    Model the frame clause in window expressions. There are two types of frame
+    clauses which are subclasses, however, all processing and validation (by no
+    means intended to be complete) is done here. Thus, providing an end for a
+    frame is optional (the default is UNBOUNDED FOLLOWING, which is the last
+    row in the frame).
+    """
+
+    template = "%(frame_type)s BETWEEN %(start)s AND %(end)s"
+
+    def __init__(self, start=None, end=None):
+        self.start = Value(start)
+        self.end = Value(end)
+
+    def set_source_expressions(self, exprs):
+        self.start, self.end = exprs
+
+    def get_source_expressions(self):
+        return [self.start, self.end]
+
+    def as_sql(self, compiler, connection):
+        connection.ops.check_expression_support(self)
+        start, end = self.window_frame_start_end(
+            connection, self.start.value, self.end.value
+        )
+        return (
+            self.template
+            % {
+                "frame_type": self.frame_type,
+                "start": start,
+                "end": end,
+            },
+            [],
+        )
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self)
+
+    def get_group_by_cols(self):
+        return []
+
+    def __str__(self):
+        if self.start.value is not None and self.start.value < 0:
+            start = "%d %s" % (abs(self.start.value), connection.ops.PRECEDING)
+        elif self.start.value is not None and self.start.value == 0:
+            start = connection.ops.CURRENT_ROW
+        else:
+            start = connection.ops.UNBOUNDED_PRECEDING
+
+        if self.end.value is not None and self.end.value > 0:
+            end = "%d %s" % (self.end.value, connection.ops.FOLLOWING)
+        elif self.end.value is not None and self.end.value == 0:
+            end = connection.ops.CURRENT_ROW
+        else:
+            end = connection.ops.UNBOUNDED_FOLLOWING
+        return self.template % {
+            "frame_type": self.frame_type,
+            "start": start,
+            "end": end,
+        }
+
+    def window_frame_start_end(self, connection, start, end):
+        raise NotImplementedError("Subclasses must implement window_frame_start_end().")
+
+
+class RowRange(WindowFrame):
+    frame_type = "ROWS"
+
+    def window_frame_start_end(self, connection, start, end):
+        return connection.ops.window_frame_rows_start_end(start, end)
+
+
+class ValueRange(WindowFrame):
+    frame_type = "RANGE"
+
+    def window_frame_start_end(self, connection, start, end):
+        return connection.ops.window_frame_range_start_end(start, end)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/__init__.py
new file mode 100644
index 00000000..26cb1bc4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/__init__.py
@@ -0,0 +1,2876 @@
+import copy
+import datetime
+import decimal
+import operator
+import uuid
+import warnings
+from base64 import b64decode, b64encode
+from functools import partialmethod, total_ordering
+
+from django import forms
+from django.apps import apps
+from django.conf import settings
+from django.core import checks, exceptions, validators
+from django.db import connection, connections, router
+from django.db.models.constants import LOOKUP_SEP
+from django.db.models.query_utils import DeferredAttribute, RegisterLookupMixin
+from django.utils import timezone
+from django.utils.choices import (
+    BlankChoiceIterator,
+    CallableChoiceIterator,
+    flatten_choices,
+    normalize_choices,
+)
+from django.utils.datastructures import DictWrapper
+from django.utils.dateparse import (
+    parse_date,
+    parse_datetime,
+    parse_duration,
+    parse_time,
+)
+from django.utils.duration import duration_microseconds, duration_string
+from django.utils.functional import Promise, cached_property
+from django.utils.ipv6 import clean_ipv6_address
+from django.utils.itercompat import is_iterable
+from django.utils.text import capfirst
+from django.utils.translation import gettext_lazy as _
+
+__all__ = [
+    "AutoField",
+    "BLANK_CHOICE_DASH",
+    "BigAutoField",
+    "BigIntegerField",
+    "BinaryField",
+    "BooleanField",
+    "CharField",
+    "CommaSeparatedIntegerField",
+    "DateField",
+    "DateTimeField",
+    "DecimalField",
+    "DurationField",
+    "EmailField",
+    "Empty",
+    "Field",
+    "FilePathField",
+    "FloatField",
+    "GenericIPAddressField",
+    "IPAddressField",
+    "IntegerField",
+    "NOT_PROVIDED",
+    "NullBooleanField",
+    "PositiveBigIntegerField",
+    "PositiveIntegerField",
+    "PositiveSmallIntegerField",
+    "SlugField",
+    "SmallAutoField",
+    "SmallIntegerField",
+    "TextField",
+    "TimeField",
+    "URLField",
+    "UUIDField",
+]
+
+
+class Empty:
+    pass
+
+
+class NOT_PROVIDED:
+    pass
+
+
+# The values to use for "blank" in SelectFields. Will be appended to the start
+# of most "choices" lists.
+BLANK_CHOICE_DASH = [("", "---------")]
+
+
+def _load_field(app_label, model_name, field_name):
+    return apps.get_model(app_label, model_name)._meta.get_field(field_name)
+
+
+# A guide to Field parameters:
+#
+#   * name:      The name of the field specified in the model.
+#   * attname:   The attribute to use on the model object. This is the same as
+#                "name", except in the case of ForeignKeys, where "_id" is
+#                appended.
+#   * db_column: The db_column specified in the model (or None).
+#   * column:    The database column for this field. This is the same as
+#                "attname", except if db_column is specified.
+#
+# Code that introspects values, or does other dynamic things, should use
+# attname. For example, this gets the primary key value of object "obj":
+#
+#     getattr(obj, opts.pk.attname)
+
+
+def _empty(of_cls):
+    new = Empty()
+    new.__class__ = of_cls
+    return new
+
+
+def return_None():
+    return None
+
+
+@total_ordering
+class Field(RegisterLookupMixin):
+    """Base class for all field types"""
+
+    # Designates whether empty strings fundamentally are allowed at the
+    # database level.
+    empty_strings_allowed = True
+    empty_values = list(validators.EMPTY_VALUES)
+
+    # These track each time a Field instance is created. Used to retain order.
+    # The auto_creation_counter is used for fields that Django implicitly
+    # creates, creation_counter is used for all user-specified fields.
+    creation_counter = 0
+    auto_creation_counter = -1
+    default_validators = []  # Default set of validators
+    default_error_messages = {
+        "invalid_choice": _("Value %(value)r is not a valid choice."),
+        "null": _("This field cannot be null."),
+        "blank": _("This field cannot be blank."),
+        "unique": _("%(model_name)s with this %(field_label)s already exists."),
+        "unique_for_date": _(
+            # Translators: The 'lookup_type' is one of 'date', 'year' or
+            # 'month'. Eg: "Title must be unique for pub_date year"
+            "%(field_label)s must be unique for "
+            "%(date_field_label)s %(lookup_type)s."
+        ),
+    }
+    system_check_deprecated_details = None
+    system_check_removed_details = None
+
+    # Attributes that don't affect a column definition.
+    # These attributes are ignored when altering the field.
+    non_db_attrs = (
+        "blank",
+        "choices",
+        "db_column",
+        "editable",
+        "error_messages",
+        "help_text",
+        "limit_choices_to",
+        # Database-level options are not supported, see #21961.
+        "on_delete",
+        "related_name",
+        "related_query_name",
+        "validators",
+        "verbose_name",
+    )
+
+    # Field flags
+    hidden = False
+
+    many_to_many = None
+    many_to_one = None
+    one_to_many = None
+    one_to_one = None
+    related_model = None
+    generated = False
+
+    descriptor_class = DeferredAttribute
+
+    # Generic field type description, usually overridden by subclasses
+    def _description(self):
+        return _("Field of type: %(field_type)s") % {
+            "field_type": self.__class__.__name__
+        }
+
+    description = property(_description)
+
+    def __init__(
+        self,
+        verbose_name=None,
+        name=None,
+        primary_key=False,
+        max_length=None,
+        unique=False,
+        blank=False,
+        null=False,
+        db_index=False,
+        rel=None,
+        default=NOT_PROVIDED,
+        editable=True,
+        serialize=True,
+        unique_for_date=None,
+        unique_for_month=None,
+        unique_for_year=None,
+        choices=None,
+        help_text="",
+        db_column=None,
+        db_tablespace=None,
+        auto_created=False,
+        validators=(),
+        error_messages=None,
+        db_comment=None,
+        db_default=NOT_PROVIDED,
+    ):
+        self.name = name
+        self.verbose_name = verbose_name  # May be set by set_attributes_from_name
+        self._verbose_name = verbose_name  # Store original for deconstruction
+        self.primary_key = primary_key
+        self.max_length, self._unique = max_length, unique
+        self.blank, self.null = blank, null
+        self.remote_field = rel
+        self.is_relation = self.remote_field is not None
+        self.default = default
+        self.db_default = db_default
+        self.editable = editable
+        self.serialize = serialize
+        self.unique_for_date = unique_for_date
+        self.unique_for_month = unique_for_month
+        self.unique_for_year = unique_for_year
+        self.choices = choices
+        self.help_text = help_text
+        self.db_index = db_index
+        self.db_column = db_column
+        self.db_comment = db_comment
+        self._db_tablespace = db_tablespace
+        self.auto_created = auto_created
+
+        # Adjust the appropriate creation counter, and save our local copy.
+        if auto_created:
+            self.creation_counter = Field.auto_creation_counter
+            Field.auto_creation_counter -= 1
+        else:
+            self.creation_counter = Field.creation_counter
+            Field.creation_counter += 1
+
+        self._validators = list(validators)  # Store for deconstruction later
+
+        self._error_messages = error_messages  # Store for deconstruction later
+
+    def __str__(self):
+        """
+        Return "app_label.model_label.field_name" for fields attached to
+        models.
+        """
+        if not hasattr(self, "model"):
+            return super().__str__()
+        model = self.model
+        return "%s.%s" % (model._meta.label, self.name)
+
+    def __repr__(self):
+        """Display the module, class, and name of the field."""
+        path = "%s.%s" % (self.__class__.__module__, self.__class__.__qualname__)
+        name = getattr(self, "name", None)
+        if name is not None:
+            return "<%s: %s>" % (path, name)
+        return "<%s>" % path
+
+    def check(self, **kwargs):
+        return [
+            *self._check_field_name(),
+            *self._check_choices(),
+            *self._check_db_default(**kwargs),
+            *self._check_db_index(),
+            *self._check_db_comment(**kwargs),
+            *self._check_null_allowed_for_primary_keys(),
+            *self._check_backend_specific_checks(**kwargs),
+            *self._check_validators(),
+            *self._check_deprecation_details(),
+        ]
+
+    def _check_field_name(self):
+        """
+        Check if field name is valid, i.e. 1) does not end with an
+        underscore, 2) does not contain "__" and 3) is not "pk".
+        """
+        if self.name is None:
+            return []
+        if self.name.endswith("_"):
+            return [
+                checks.Error(
+                    "Field names must not end with an underscore.",
+                    obj=self,
+                    id="fields.E001",
+                )
+            ]
+        elif LOOKUP_SEP in self.name:
+            return [
+                checks.Error(
+                    'Field names must not contain "%s".' % LOOKUP_SEP,
+                    obj=self,
+                    id="fields.E002",
+                )
+            ]
+        elif self.name == "pk":
+            return [
+                checks.Error(
+                    "'pk' is a reserved word that cannot be used as a field name.",
+                    obj=self,
+                    id="fields.E003",
+                )
+            ]
+        else:
+            return []
+
+    @classmethod
+    def _choices_is_value(cls, value):
+        return isinstance(value, (str, Promise)) or not is_iterable(value)
+
+    def _check_choices(self):
+        if not self.choices:
+            return []
+
+        if not is_iterable(self.choices) or isinstance(self.choices, str):
+            return [
+                checks.Error(
+                    "'choices' must be a mapping (e.g. a dictionary) or an iterable "
+                    "(e.g. a list or tuple).",
+                    obj=self,
+                    id="fields.E004",
+                )
+            ]
+
+        choice_max_length = 0
+        # Expect [group_name, [value, display]]
+        for choices_group in self.choices:
+            try:
+                group_name, group_choices = choices_group
+            except (TypeError, ValueError):
+                # Containing non-pairs
+                break
+            try:
+                if not all(
+                    self._choices_is_value(value) and self._choices_is_value(human_name)
+                    for value, human_name in group_choices
+                ):
+                    break
+                if self.max_length is not None and group_choices:
+                    choice_max_length = max(
+                        [
+                            choice_max_length,
+                            *(
+                                len(value)
+                                for value, _ in group_choices
+                                if isinstance(value, str)
+                            ),
+                        ]
+                    )
+            except (TypeError, ValueError):
+                # No groups, choices in the form [value, display]
+                value, human_name = group_name, group_choices
+                if not self._choices_is_value(value) or not self._choices_is_value(
+                    human_name
+                ):
+                    break
+                if self.max_length is not None and isinstance(value, str):
+                    choice_max_length = max(choice_max_length, len(value))
+
+            # Special case: choices=['ab']
+            if isinstance(choices_group, str):
+                break
+        else:
+            if self.max_length is not None and choice_max_length > self.max_length:
+                return [
+                    checks.Error(
+                        "'max_length' is too small to fit the longest value "
+                        "in 'choices' (%d characters)." % choice_max_length,
+                        obj=self,
+                        id="fields.E009",
+                    ),
+                ]
+            return []
+
+        return [
+            checks.Error(
+                "'choices' must be a mapping of actual values to human readable names "
+                "or an iterable containing (actual value, human readable name) tuples.",
+                obj=self,
+                id="fields.E005",
+            )
+        ]
+
+    def _check_db_default(self, databases=None, **kwargs):
+        from django.db.models.expressions import Value
+
+        if (
+            self.db_default is NOT_PROVIDED
+            or isinstance(self.db_default, Value)
+            or databases is None
+        ):
+            return []
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, self.model):
+                continue
+            connection = connections[db]
+
+            if not getattr(self._db_default_expression, "allowed_default", False) and (
+                connection.features.supports_expression_defaults
+            ):
+                msg = f"{self.db_default} cannot be used in db_default."
+                errors.append(checks.Error(msg, obj=self, id="fields.E012"))
+
+            if not (
+                connection.features.supports_expression_defaults
+                or "supports_expression_defaults"
+                in self.model._meta.required_db_features
+            ):
+                msg = (
+                    f"{connection.display_name} does not support default database "
+                    "values with expressions (db_default)."
+                )
+                errors.append(checks.Error(msg, obj=self, id="fields.E011"))
+        return errors
+
+    def _check_db_index(self):
+        if self.db_index not in (None, True, False):
+            return [
+                checks.Error(
+                    "'db_index' must be None, True or False.",
+                    obj=self,
+                    id="fields.E006",
+                )
+            ]
+        else:
+            return []
+
+    def _check_db_comment(self, databases=None, **kwargs):
+        if not self.db_comment or not databases:
+            return []
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, self.model):
+                continue
+            connection = connections[db]
+            if not (
+                connection.features.supports_comments
+                or "supports_comments" in self.model._meta.required_db_features
+            ):
+                errors.append(
+                    checks.Warning(
+                        f"{connection.display_name} does not support comments on "
+                        f"columns (db_comment).",
+                        obj=self,
+                        id="fields.W163",
+                    )
+                )
+        return errors
+
+    def _check_null_allowed_for_primary_keys(self):
+        if (
+            self.primary_key
+            and self.null
+            and not connection.features.interprets_empty_strings_as_nulls
+        ):
+            # We cannot reliably check this for backends like Oracle which
+            # consider NULL and '' to be equal (and thus set up
+            # character-based fields a little differently).
+            return [
+                checks.Error(
+                    "Primary keys must not have null=True.",
+                    hint=(
+                        "Set null=False on the field, or "
+                        "remove primary_key=True argument."
+                    ),
+                    obj=self,
+                    id="fields.E007",
+                )
+            ]
+        else:
+            return []
+
+    def _check_backend_specific_checks(self, databases=None, **kwargs):
+        if databases is None:
+            return []
+        errors = []
+        for alias in databases:
+            if router.allow_migrate_model(alias, self.model):
+                errors.extend(connections[alias].validation.check_field(self, **kwargs))
+        return errors
+
+    def _check_validators(self):
+        errors = []
+        for i, validator in enumerate(self.validators):
+            if not callable(validator):
+                errors.append(
+                    checks.Error(
+                        "All 'validators' must be callable.",
+                        hint=(
+                            "validators[{i}] ({repr}) isn't a function or "
+                            "instance of a validator class.".format(
+                                i=i,
+                                repr=repr(validator),
+                            )
+                        ),
+                        obj=self,
+                        id="fields.E008",
+                    )
+                )
+        return errors
+
+    def _check_deprecation_details(self):
+        if self.system_check_removed_details is not None:
+            return [
+                checks.Error(
+                    self.system_check_removed_details.get(
+                        "msg",
+                        "%s has been removed except for support in historical "
+                        "migrations." % self.__class__.__name__,
+                    ),
+                    hint=self.system_check_removed_details.get("hint"),
+                    obj=self,
+                    id=self.system_check_removed_details.get("id", "fields.EXXX"),
+                )
+            ]
+        elif self.system_check_deprecated_details is not None:
+            return [
+                checks.Warning(
+                    self.system_check_deprecated_details.get(
+                        "msg", "%s has been deprecated." % self.__class__.__name__
+                    ),
+                    hint=self.system_check_deprecated_details.get("hint"),
+                    obj=self,
+                    id=self.system_check_deprecated_details.get("id", "fields.WXXX"),
+                )
+            ]
+        return []
+
+    def get_col(self, alias, output_field=None):
+        if alias == self.model._meta.db_table and (
+            output_field is None or output_field == self
+        ):
+            return self.cached_col
+        from django.db.models.expressions import Col
+
+        return Col(alias, self, output_field)
+
+    @property
+    def choices(self):
+        return self._choices
+
+    @choices.setter
+    def choices(self, value):
+        self._choices = normalize_choices(value)
+
+    @cached_property
+    def cached_col(self):
+        from django.db.models.expressions import Col
+
+        return Col(self.model._meta.db_table, self)
+
+    def select_format(self, compiler, sql, params):
+        """
+        Custom format for select clauses. For example, GIS columns need to be
+        selected as AsText(table.col) on MySQL as the table.col data can't be
+        used by Django.
+        """
+        return sql, params
+
+    def deconstruct(self):
+        """
+        Return enough information to recreate the field as a 4-tuple:
+
+         * The name of the field on the model, if contribute_to_class() has
+           been run.
+         * The import path of the field, including the class, e.g.
+           django.db.models.IntegerField. This should be the most portable
+           version, so less specific may be better.
+         * A list of positional arguments.
+         * A dict of keyword arguments.
+
+        Note that the positional or keyword arguments must contain values of
+        the following types (including inner values of collection types):
+
+         * None, bool, str, int, float, complex, set, frozenset, list, tuple,
+           dict
+         * UUID
+         * datetime.datetime (naive), datetime.date
+         * top-level classes, top-level functions - will be referenced by their
+           full import path
+         * Storage instances - these have their own deconstruct() method
+
+        This is because the values here must be serialized into a text format
+        (possibly new Python code, possibly JSON) and these are the only types
+        with encoding handlers defined.
+
+        There's no need to return the exact way the field was instantiated this
+        time, just ensure that the resulting field is the same - prefer keyword
+        arguments over positional ones, and omit parameters with their default
+        values.
+        """
+        # Short-form way of fetching all the default parameters
+        keywords = {}
+        possibles = {
+            "verbose_name": None,
+            "primary_key": False,
+            "max_length": None,
+            "unique": False,
+            "blank": False,
+            "null": False,
+            "db_index": False,
+            "default": NOT_PROVIDED,
+            "db_default": NOT_PROVIDED,
+            "editable": True,
+            "serialize": True,
+            "unique_for_date": None,
+            "unique_for_month": None,
+            "unique_for_year": None,
+            "choices": None,
+            "help_text": "",
+            "db_column": None,
+            "db_comment": None,
+            "db_tablespace": None,
+            "auto_created": False,
+            "validators": [],
+            "error_messages": None,
+        }
+        attr_overrides = {
+            "unique": "_unique",
+            "error_messages": "_error_messages",
+            "validators": "_validators",
+            "verbose_name": "_verbose_name",
+            "db_tablespace": "_db_tablespace",
+        }
+        equals_comparison = {"choices", "validators"}
+        for name, default in possibles.items():
+            value = getattr(self, attr_overrides.get(name, name))
+            if isinstance(value, CallableChoiceIterator):
+                value = value.func
+            # Do correct kind of comparison
+            if name in equals_comparison:
+                if value != default:
+                    keywords[name] = value
+            else:
+                if value is not default:
+                    keywords[name] = value
+        # Work out path - we shorten it for known Django core fields
+        path = "%s.%s" % (self.__class__.__module__, self.__class__.__qualname__)
+        if path.startswith("django.db.models.fields.related"):
+            path = path.replace("django.db.models.fields.related", "django.db.models")
+        elif path.startswith("django.db.models.fields.files"):
+            path = path.replace("django.db.models.fields.files", "django.db.models")
+        elif path.startswith("django.db.models.fields.generated"):
+            path = path.replace("django.db.models.fields.generated", "django.db.models")
+        elif path.startswith("django.db.models.fields.json"):
+            path = path.replace("django.db.models.fields.json", "django.db.models")
+        elif path.startswith("django.db.models.fields.proxy"):
+            path = path.replace("django.db.models.fields.proxy", "django.db.models")
+        elif path.startswith("django.db.models.fields"):
+            path = path.replace("django.db.models.fields", "django.db.models")
+        # Return basic info - other fields should override this.
+        return (self.name, path, [], keywords)
+
+    def clone(self):
+        """
+        Uses deconstruct() to clone a new copy of this Field.
+        Will not preserve any class attachments/attribute names.
+        """
+        name, path, args, kwargs = self.deconstruct()
+        return self.__class__(*args, **kwargs)
+
+    def __eq__(self, other):
+        # Needed for @total_ordering
+        if isinstance(other, Field):
+            return self.creation_counter == other.creation_counter and getattr(
+                self, "model", None
+            ) == getattr(other, "model", None)
+        return NotImplemented
+
+    def __lt__(self, other):
+        # This is needed because bisect does not take a comparison function.
+        # Order by creation_counter first for backward compatibility.
+        if isinstance(other, Field):
+            if (
+                self.creation_counter != other.creation_counter
+                or not hasattr(self, "model")
+                and not hasattr(other, "model")
+            ):
+                return self.creation_counter < other.creation_counter
+            elif hasattr(self, "model") != hasattr(other, "model"):
+                return not hasattr(self, "model")  # Order no-model fields first
+            else:
+                # creation_counter's are equal, compare only models.
+                return (self.model._meta.app_label, self.model._meta.model_name) < (
+                    other.model._meta.app_label,
+                    other.model._meta.model_name,
+                )
+        return NotImplemented
+
+    def __hash__(self):
+        return hash(self.creation_counter)
+
+    def __deepcopy__(self, memodict):
+        # We don't have to deepcopy very much here, since most things are not
+        # intended to be altered after initial creation.
+        obj = copy.copy(self)
+        if self.remote_field:
+            obj.remote_field = copy.copy(self.remote_field)
+            if hasattr(self.remote_field, "field") and self.remote_field.field is self:
+                obj.remote_field.field = obj
+        memodict[id(self)] = obj
+        return obj
+
+    def __copy__(self):
+        # We need to avoid hitting __reduce__, so define this
+        # slightly weird copy construct.
+        obj = Empty()
+        obj.__class__ = self.__class__
+        obj.__dict__ = self.__dict__.copy()
+        return obj
+
+    def __reduce__(self):
+        """
+        Pickling should return the model._meta.fields instance of the field,
+        not a new copy of that field. So, use the app registry to load the
+        model and then the field back.
+        """
+        if not hasattr(self, "model"):
+            # Fields are sometimes used without attaching them to models (for
+            # example in aggregation). In this case give back a plain field
+            # instance. The code below will create a new empty instance of
+            # class self.__class__, then update its dict with self.__dict__
+            # values - so, this is very close to normal pickle.
+            state = self.__dict__.copy()
+            # The _get_default cached_property can't be pickled due to lambda
+            # usage.
+            state.pop("_get_default", None)
+            return _empty, (self.__class__,), state
+        return _load_field, (
+            self.model._meta.app_label,
+            self.model._meta.object_name,
+            self.name,
+        )
+
+    def get_pk_value_on_save(self, instance):
+        """
+        Hook to generate new PK values on save. This method is called when
+        saving instances with no primary key value set. If this method returns
+        something else than None, then the returned value is used when saving
+        the new instance.
+        """
+        if self.default:
+            return self.get_default()
+        return None
+
+    def to_python(self, value):
+        """
+        Convert the input value into the expected Python data type, raising
+        django.core.exceptions.ValidationError if the data can't be converted.
+        Return the converted value. Subclasses should override this.
+        """
+        return value
+
+    @cached_property
+    def error_messages(self):
+        messages = {}
+        for c in reversed(self.__class__.__mro__):
+            messages.update(getattr(c, "default_error_messages", {}))
+        messages.update(self._error_messages or {})
+        return messages
+
+    @cached_property
+    def validators(self):
+        """
+        Some validators can't be created at field initialization time.
+        This method provides a way to delay their creation until required.
+        """
+        return [*self.default_validators, *self._validators]
+
+    def run_validators(self, value):
+        if value in self.empty_values:
+            return
+
+        errors = []
+        for v in self.validators:
+            try:
+                v(value)
+            except exceptions.ValidationError as e:
+                if hasattr(e, "code") and e.code in self.error_messages:
+                    e.message = self.error_messages[e.code]
+                errors.extend(e.error_list)
+
+        if errors:
+            raise exceptions.ValidationError(errors)
+
+    def validate(self, value, model_instance):
+        """
+        Validate value and raise ValidationError if necessary. Subclasses
+        should override this to provide validation logic.
+        """
+        if not self.editable:
+            # Skip validation for non-editable fields.
+            return
+
+        if self.choices is not None and value not in self.empty_values:
+            for option_key, option_value in self.choices:
+                if isinstance(option_value, (list, tuple)):
+                    # This is an optgroup, so look inside the group for
+                    # options.
+                    for optgroup_key, optgroup_value in option_value:
+                        if value == optgroup_key:
+                            return
+                elif value == option_key:
+                    return
+            raise exceptions.ValidationError(
+                self.error_messages["invalid_choice"],
+                code="invalid_choice",
+                params={"value": value},
+            )
+
+        if value is None and not self.null:
+            raise exceptions.ValidationError(self.error_messages["null"], code="null")
+
+        if not self.blank and value in self.empty_values:
+            raise exceptions.ValidationError(self.error_messages["blank"], code="blank")
+
+    def clean(self, value, model_instance):
+        """
+        Convert the value's type and run validation. Validation errors
+        from to_python() and validate() are propagated. Return the correct
+        value if no error is raised.
+        """
+        value = self.to_python(value)
+        self.validate(value, model_instance)
+        self.run_validators(value)
+        return value
+
+    def db_type_parameters(self, connection):
+        return DictWrapper(self.__dict__, connection.ops.quote_name, "qn_")
+
+    def db_check(self, connection):
+        """
+        Return the database column check constraint for this field, for the
+        provided connection. Works the same way as db_type() for the case that
+        get_internal_type() does not map to a preexisting model field.
+        """
+        data = self.db_type_parameters(connection)
+        try:
+            return (
+                connection.data_type_check_constraints[self.get_internal_type()] % data
+            )
+        except KeyError:
+            return None
+
+    def db_type(self, connection):
+        """
+        Return the database column data type for this field, for the provided
+        connection.
+        """
+        # The default implementation of this method looks at the
+        # backend-specific data_types dictionary, looking up the field by its
+        # "internal type".
+        #
+        # A Field class can implement the get_internal_type() method to specify
+        # which *preexisting* Django Field class it's most similar to -- i.e.,
+        # a custom field might be represented by a TEXT column type, which is
+        # the same as the TextField Django field type, which means the custom
+        # field's get_internal_type() returns 'TextField'.
+        #
+        # But the limitation of the get_internal_type() / data_types approach
+        # is that it cannot handle database column types that aren't already
+        # mapped to one of the built-in Django field types. In this case, you
+        # can implement db_type() instead of get_internal_type() to specify
+        # exactly which wacky database column type you want to use.
+        data = self.db_type_parameters(connection)
+        try:
+            column_type = connection.data_types[self.get_internal_type()]
+        except KeyError:
+            return None
+        else:
+            # column_type is either a single-parameter function or a string.
+            if callable(column_type):
+                return column_type(data)
+            return column_type % data
+
+    def rel_db_type(self, connection):
+        """
+        Return the data type that a related field pointing to this field should
+        use. For example, this method is called by ForeignKey and OneToOneField
+        to determine its data type.
+        """
+        return self.db_type(connection)
+
+    def cast_db_type(self, connection):
+        """Return the data type to use in the Cast() function."""
+        db_type = connection.ops.cast_data_types.get(self.get_internal_type())
+        if db_type:
+            return db_type % self.db_type_parameters(connection)
+        return self.db_type(connection)
+
+    def db_parameters(self, connection):
+        """
+        Extension of db_type(), providing a range of different return values
+        (type, checks). This will look at db_type(), allowing custom model
+        fields to override it.
+        """
+        type_string = self.db_type(connection)
+        check_string = self.db_check(connection)
+        return {
+            "type": type_string,
+            "check": check_string,
+        }
+
+    def db_type_suffix(self, connection):
+        return connection.data_types_suffix.get(self.get_internal_type())
+
+    def get_db_converters(self, connection):
+        if hasattr(self, "from_db_value"):
+            return [self.from_db_value]
+        return []
+
+    @property
+    def unique(self):
+        return self._unique or self.primary_key
+
+    @property
+    def db_tablespace(self):
+        return self._db_tablespace or settings.DEFAULT_INDEX_TABLESPACE
+
+    @property
+    def db_returning(self):
+        """Private API intended only to be used by Django itself."""
+        return (
+            self.db_default is not NOT_PROVIDED
+            and connection.features.can_return_columns_from_insert
+        )
+
+    def set_attributes_from_name(self, name):
+        self.name = self.name or name
+        self.attname, self.column = self.get_attname_column()
+        self.concrete = self.column is not None
+        if self.verbose_name is None and self.name:
+            self.verbose_name = self.name.replace("_", " ")
+
+    def contribute_to_class(self, cls, name, private_only=False):
+        """
+        Register the field with the model class it belongs to.
+
+        If private_only is True, create a separate instance of this field
+        for every subclass of cls, even if cls is not an abstract model.
+        """
+        self.set_attributes_from_name(name)
+        self.model = cls
+        cls._meta.add_field(self, private=private_only)
+        if self.column:
+            setattr(cls, self.attname, self.descriptor_class(self))
+        if self.choices is not None:
+            # Don't override a get_FOO_display() method defined explicitly on
+            # this class, but don't check methods derived from inheritance, to
+            # allow overriding inherited choices. For more complex inheritance
+            # structures users should override contribute_to_class().
+            if "get_%s_display" % self.name not in cls.__dict__:
+                setattr(
+                    cls,
+                    "get_%s_display" % self.name,
+                    partialmethod(cls._get_FIELD_display, field=self),
+                )
+
+    def get_filter_kwargs_for_object(self, obj):
+        """
+        Return a dict that when passed as kwargs to self.model.filter(), would
+        yield all instances having the same value for this field as obj has.
+        """
+        return {self.name: getattr(obj, self.attname)}
+
+    def get_attname(self):
+        return self.name
+
+    def get_attname_column(self):
+        attname = self.get_attname()
+        column = self.db_column or attname
+        return attname, column
+
+    def get_internal_type(self):
+        return self.__class__.__name__
+
+    def pre_save(self, model_instance, add):
+        """Return field's value just before saving."""
+        value = getattr(model_instance, self.attname)
+        if not connection.features.supports_default_keyword_in_insert:
+            from django.db.models.expressions import DatabaseDefault
+
+            if isinstance(value, DatabaseDefault):
+                return self._db_default_expression
+        return value
+
+    def get_prep_value(self, value):
+        """Perform preliminary non-db specific value checks and conversions."""
+        if isinstance(value, Promise):
+            value = value._proxy____cast()
+        return value
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        """
+        Return field's value prepared for interacting with the database backend.
+
+        Used by the default implementations of get_db_prep_save().
+        """
+        if not prepared:
+            value = self.get_prep_value(value)
+        return value
+
+    def get_db_prep_save(self, value, connection):
+        """Return field's value prepared for saving into a database."""
+        if hasattr(value, "as_sql"):
+            return value
+        return self.get_db_prep_value(value, connection=connection, prepared=False)
+
+    def has_default(self):
+        """Return a boolean of whether this field has a default value."""
+        return self.default is not NOT_PROVIDED
+
+    def get_default(self):
+        """Return the default value for this field."""
+        return self._get_default()
+
+    @cached_property
+    def _get_default(self):
+        if self.has_default():
+            if callable(self.default):
+                return self.default
+            return lambda: self.default
+
+        if self.db_default is not NOT_PROVIDED:
+            from django.db.models.expressions import DatabaseDefault
+
+            return DatabaseDefault
+
+        if (
+            not self.empty_strings_allowed
+            or self.null
+            and not connection.features.interprets_empty_strings_as_nulls
+        ):
+            return return_None
+        return str  # return empty string
+
+    @cached_property
+    def _db_default_expression(self):
+        db_default = self.db_default
+        if db_default is not NOT_PROVIDED and not hasattr(
+            db_default, "resolve_expression"
+        ):
+            from django.db.models.expressions import Value
+
+            db_default = Value(db_default, self)
+        return db_default
+
+    def get_choices(
+        self,
+        include_blank=True,
+        blank_choice=BLANK_CHOICE_DASH,
+        limit_choices_to=None,
+        ordering=(),
+    ):
+        """
+        Return choices with a default blank choices included, for use
+        as <select> choices for this field.
+        """
+        if self.choices is not None:
+            if include_blank:
+                return BlankChoiceIterator(self.choices, blank_choice)
+            return self.choices
+        rel_model = self.remote_field.model
+        limit_choices_to = limit_choices_to or self.get_limit_choices_to()
+        choice_func = operator.attrgetter(
+            self.remote_field.get_related_field().attname
+            if hasattr(self.remote_field, "get_related_field")
+            else "pk"
+        )
+        qs = rel_model._default_manager.complex_filter(limit_choices_to)
+        if ordering:
+            qs = qs.order_by(*ordering)
+        return (blank_choice if include_blank else []) + [
+            (choice_func(x), str(x)) for x in qs
+        ]
+
+    def value_to_string(self, obj):
+        """
+        Return a string value of this field from the passed obj.
+        This is used by the serialization framework.
+        """
+        return str(self.value_from_object(obj))
+
+    @property
+    def flatchoices(self):
+        """Flattened version of choices tuple."""
+        return list(flatten_choices(self.choices))
+
+    def save_form_data(self, instance, data):
+        setattr(instance, self.name, data)
+
+    def formfield(self, form_class=None, choices_form_class=None, **kwargs):
+        """Return a django.forms.Field instance for this field."""
+        defaults = {
+            "required": not self.blank,
+            "label": capfirst(self.verbose_name),
+            "help_text": self.help_text,
+        }
+        if self.has_default():
+            if callable(self.default):
+                defaults["initial"] = self.default
+                defaults["show_hidden_initial"] = True
+            else:
+                defaults["initial"] = self.get_default()
+        if self.choices is not None:
+            # Fields with choices get special treatment.
+            include_blank = self.blank or not (
+                self.has_default() or "initial" in kwargs
+            )
+            defaults["choices"] = self.get_choices(include_blank=include_blank)
+            defaults["coerce"] = self.to_python
+            if self.null:
+                defaults["empty_value"] = None
+            if choices_form_class is not None:
+                form_class = choices_form_class
+            else:
+                form_class = forms.TypedChoiceField
+            # Many of the subclass-specific formfield arguments (min_value,
+            # max_value) don't apply for choice fields, so be sure to only pass
+            # the values that TypedChoiceField will understand.
+            for k in list(kwargs):
+                if k not in (
+                    "coerce",
+                    "empty_value",
+                    "choices",
+                    "required",
+                    "widget",
+                    "label",
+                    "initial",
+                    "help_text",
+                    "error_messages",
+                    "show_hidden_initial",
+                    "disabled",
+                ):
+                    del kwargs[k]
+        defaults.update(kwargs)
+        if form_class is None:
+            form_class = forms.CharField
+        return form_class(**defaults)
+
+    def value_from_object(self, obj):
+        """Return the value of this field in the given model instance."""
+        return getattr(obj, self.attname)
+
+
+class BooleanField(Field):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _("“%(value)s” value must be either True or False."),
+        "invalid_nullable": _("“%(value)s” value must be either True, False, or None."),
+    }
+    description = _("Boolean (Either True or False)")
+
+    def get_internal_type(self):
+        return "BooleanField"
+
+    def to_python(self, value):
+        if self.null and value in self.empty_values:
+            return None
+        if value in (True, False):
+            # 1/0 are equal to True/False. bool() converts former to latter.
+            return bool(value)
+        if value in ("t", "True", "1"):
+            return True
+        if value in ("f", "False", "0"):
+            return False
+        raise exceptions.ValidationError(
+            self.error_messages["invalid_nullable" if self.null else "invalid"],
+            code="invalid",
+            params={"value": value},
+        )
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        if value is None:
+            return None
+        return self.to_python(value)
+
+    def formfield(self, **kwargs):
+        if self.choices is not None:
+            include_blank = not (self.has_default() or "initial" in kwargs)
+            defaults = {"choices": self.get_choices(include_blank=include_blank)}
+        else:
+            form_class = forms.NullBooleanField if self.null else forms.BooleanField
+            # In HTML checkboxes, 'required' means "must be checked" which is
+            # different from the choices case ("must select some value").
+            # required=False allows unchecked checkboxes.
+            defaults = {"form_class": form_class, "required": False}
+        return super().formfield(**{**defaults, **kwargs})
+
+
+class CharField(Field):
+    def __init__(self, *args, db_collation=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.db_collation = db_collation
+        if self.max_length is not None:
+            self.validators.append(validators.MaxLengthValidator(self.max_length))
+
+    @property
+    def description(self):
+        if self.max_length is not None:
+            return _("String (up to %(max_length)s)")
+        else:
+            return _("String (unlimited)")
+
+    def check(self, **kwargs):
+        databases = kwargs.get("databases") or []
+        return [
+            *super().check(**kwargs),
+            *self._check_db_collation(databases),
+            *self._check_max_length_attribute(**kwargs),
+        ]
+
+    def _check_max_length_attribute(self, **kwargs):
+        if self.max_length is None:
+            if (
+                connection.features.supports_unlimited_charfield
+                or "supports_unlimited_charfield"
+                in self.model._meta.required_db_features
+            ):
+                return []
+            return [
+                checks.Error(
+                    "CharFields must define a 'max_length' attribute.",
+                    obj=self,
+                    id="fields.E120",
+                )
+            ]
+        elif (
+            not isinstance(self.max_length, int)
+            or isinstance(self.max_length, bool)
+            or self.max_length <= 0
+        ):
+            return [
+                checks.Error(
+                    "'max_length' must be a positive integer.",
+                    obj=self,
+                    id="fields.E121",
+                )
+            ]
+        else:
+            return []
+
+    def _check_db_collation(self, databases):
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, self.model):
+                continue
+            connection = connections[db]
+            if not (
+                self.db_collation is None
+                or "supports_collation_on_charfield"
+                in self.model._meta.required_db_features
+                or connection.features.supports_collation_on_charfield
+            ):
+                errors.append(
+                    checks.Error(
+                        "%s does not support a database collation on "
+                        "CharFields." % connection.display_name,
+                        obj=self,
+                        id="fields.E190",
+                    ),
+                )
+        return errors
+
+    def cast_db_type(self, connection):
+        if self.max_length is None:
+            return connection.ops.cast_char_field_without_max_length
+        return super().cast_db_type(connection)
+
+    def db_parameters(self, connection):
+        db_params = super().db_parameters(connection)
+        db_params["collation"] = self.db_collation
+        return db_params
+
+    def get_internal_type(self):
+        return "CharField"
+
+    def to_python(self, value):
+        if isinstance(value, str) or value is None:
+            return value
+        return str(value)
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        return self.to_python(value)
+
+    def formfield(self, **kwargs):
+        # Passing max_length to forms.CharField means that the value's length
+        # will be validated twice. This is considered acceptable since we want
+        # the value in the form field (to pass into widget for example).
+        defaults = {"max_length": self.max_length}
+        # TODO: Handle multiple backends with different feature flags.
+        if self.null and not connection.features.interprets_empty_strings_as_nulls:
+            defaults["empty_value"] = None
+        defaults.update(kwargs)
+        return super().formfield(**defaults)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.db_collation:
+            kwargs["db_collation"] = self.db_collation
+        return name, path, args, kwargs
+
+
+class CommaSeparatedIntegerField(CharField):
+    default_validators = [validators.validate_comma_separated_integer_list]
+    description = _("Comma-separated integers")
+    system_check_removed_details = {
+        "msg": (
+            "CommaSeparatedIntegerField is removed except for support in "
+            "historical migrations."
+        ),
+        "hint": (
+            "Use CharField(validators=[validate_comma_separated_integer_list]) "
+            "instead."
+        ),
+        "id": "fields.E901",
+    }
+
+
+def _to_naive(value):
+    if timezone.is_aware(value):
+        value = timezone.make_naive(value, datetime.timezone.utc)
+    return value
+
+
+def _get_naive_now():
+    return _to_naive(timezone.now())
+
+
+class DateTimeCheckMixin:
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_mutually_exclusive_options(),
+            *self._check_fix_default_value(),
+        ]
+
+    def _check_mutually_exclusive_options(self):
+        # auto_now, auto_now_add, and default are mutually exclusive
+        # options. The use of more than one of these options together
+        # will trigger an Error
+        mutually_exclusive_options = [
+            self.auto_now_add,
+            self.auto_now,
+            self.has_default(),
+        ]
+        enabled_options = [
+            option not in (None, False) for option in mutually_exclusive_options
+        ].count(True)
+        if enabled_options > 1:
+            return [
+                checks.Error(
+                    "The options auto_now, auto_now_add, and default "
+                    "are mutually exclusive. Only one of these options "
+                    "may be present.",
+                    obj=self,
+                    id="fields.E160",
+                )
+            ]
+        else:
+            return []
+
+    def _check_fix_default_value(self):
+        return []
+
+    # Concrete subclasses use this in their implementations of
+    # _check_fix_default_value().
+    def _check_if_value_fixed(self, value, now=None):
+        """
+        Check if the given value appears to have been provided as a "fixed"
+        time value, and include a warning in the returned list if it does. The
+        value argument must be a date object or aware/naive datetime object. If
+        now is provided, it must be a naive datetime object.
+        """
+        if now is None:
+            now = _get_naive_now()
+        offset = datetime.timedelta(seconds=10)
+        lower = now - offset
+        upper = now + offset
+        if isinstance(value, datetime.datetime):
+            value = _to_naive(value)
+        else:
+            assert isinstance(value, datetime.date)
+            lower = lower.date()
+            upper = upper.date()
+        if lower <= value <= upper:
+            return [
+                checks.Warning(
+                    "Fixed default value provided.",
+                    hint=(
+                        "It seems you set a fixed date / time / datetime "
+                        "value as default for this field. This may not be "
+                        "what you want. If you want to have the current date "
+                        "as default, use `django.utils.timezone.now`"
+                    ),
+                    obj=self,
+                    id="fields.W161",
+                )
+            ]
+        return []
+
+
+class DateField(DateTimeCheckMixin, Field):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _(
+            "“%(value)s” value has an invalid date format. It must be "
+            "in YYYY-MM-DD format."
+        ),
+        "invalid_date": _(
+            "“%(value)s” value has the correct format (YYYY-MM-DD) "
+            "but it is an invalid date."
+        ),
+    }
+    description = _("Date (without time)")
+
+    def __init__(
+        self, verbose_name=None, name=None, auto_now=False, auto_now_add=False, **kwargs
+    ):
+        self.auto_now, self.auto_now_add = auto_now, auto_now_add
+        if auto_now or auto_now_add:
+            kwargs["editable"] = False
+            kwargs["blank"] = True
+        super().__init__(verbose_name, name, **kwargs)
+
+    def _check_fix_default_value(self):
+        """
+        Warn that using an actual date or datetime value is probably wrong;
+        it's only evaluated on server startup.
+        """
+        if not self.has_default():
+            return []
+
+        value = self.default
+        if isinstance(value, datetime.datetime):
+            value = _to_naive(value).date()
+        elif isinstance(value, datetime.date):
+            pass
+        else:
+            # No explicit date / datetime value -- no checks necessary
+            return []
+        # At this point, value is a date object.
+        return self._check_if_value_fixed(value)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.auto_now:
+            kwargs["auto_now"] = True
+        if self.auto_now_add:
+            kwargs["auto_now_add"] = True
+        if self.auto_now or self.auto_now_add:
+            del kwargs["editable"]
+            del kwargs["blank"]
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "DateField"
+
+    def to_python(self, value):
+        if value is None:
+            return value
+        if isinstance(value, datetime.datetime):
+            if settings.USE_TZ and timezone.is_aware(value):
+                # Convert aware datetimes to the default time zone
+                # before casting them to dates (#17742).
+                default_timezone = timezone.get_default_timezone()
+                value = timezone.make_naive(value, default_timezone)
+            return value.date()
+        if isinstance(value, datetime.date):
+            return value
+
+        try:
+            parsed = parse_date(value)
+            if parsed is not None:
+                return parsed
+        except ValueError:
+            raise exceptions.ValidationError(
+                self.error_messages["invalid_date"],
+                code="invalid_date",
+                params={"value": value},
+            )
+
+        raise exceptions.ValidationError(
+            self.error_messages["invalid"],
+            code="invalid",
+            params={"value": value},
+        )
+
+    def pre_save(self, model_instance, add):
+        if self.auto_now or (self.auto_now_add and add):
+            value = datetime.date.today()
+            setattr(model_instance, self.attname, value)
+            return value
+        else:
+            return super().pre_save(model_instance, add)
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        super().contribute_to_class(cls, name, **kwargs)
+        if not self.null:
+            setattr(
+                cls,
+                "get_next_by_%s" % self.name,
+                partialmethod(
+                    cls._get_next_or_previous_by_FIELD, field=self, is_next=True
+                ),
+            )
+            setattr(
+                cls,
+                "get_previous_by_%s" % self.name,
+                partialmethod(
+                    cls._get_next_or_previous_by_FIELD, field=self, is_next=False
+                ),
+            )
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        return self.to_python(value)
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        # Casts dates into the format expected by the backend
+        if not prepared:
+            value = self.get_prep_value(value)
+        return connection.ops.adapt_datefield_value(value)
+
+    def value_to_string(self, obj):
+        val = self.value_from_object(obj)
+        return "" if val is None else val.isoformat()
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.DateField,
+                **kwargs,
+            }
+        )
+
+
+class DateTimeField(DateField):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _(
+            "“%(value)s” value has an invalid format. It must be in "
+            "YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ] format."
+        ),
+        "invalid_date": _(
+            "“%(value)s” value has the correct format "
+            "(YYYY-MM-DD) but it is an invalid date."
+        ),
+        "invalid_datetime": _(
+            "“%(value)s” value has the correct format "
+            "(YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ]) "
+            "but it is an invalid date/time."
+        ),
+    }
+    description = _("Date (with time)")
+
+    # __init__ is inherited from DateField
+
+    def _check_fix_default_value(self):
+        """
+        Warn that using an actual date or datetime value is probably wrong;
+        it's only evaluated on server startup.
+        """
+        if not self.has_default():
+            return []
+
+        value = self.default
+        if isinstance(value, (datetime.datetime, datetime.date)):
+            return self._check_if_value_fixed(value)
+        # No explicit date / datetime value -- no checks necessary.
+        return []
+
+    def get_internal_type(self):
+        return "DateTimeField"
+
+    def to_python(self, value):
+        if value is None:
+            return value
+        if isinstance(value, datetime.datetime):
+            return value
+        if isinstance(value, datetime.date):
+            value = datetime.datetime(value.year, value.month, value.day)
+            if settings.USE_TZ:
+                # For backwards compatibility, interpret naive datetimes in
+                # local time. This won't work during DST change, but we can't
+                # do much about it, so we let the exceptions percolate up the
+                # call stack.
+                try:
+                    name = f"{self.model.__name__}.{self.name}"
+                except AttributeError:
+                    name = "(unbound)"
+                warnings.warn(
+                    f"DateTimeField {name} received a naive datetime ({value}) while "
+                    "time zone support is active.",
+                    RuntimeWarning,
+                )
+                default_timezone = timezone.get_default_timezone()
+                value = timezone.make_aware(value, default_timezone)
+            return value
+
+        try:
+            parsed = parse_datetime(value)
+            if parsed is not None:
+                return parsed
+        except ValueError:
+            raise exceptions.ValidationError(
+                self.error_messages["invalid_datetime"],
+                code="invalid_datetime",
+                params={"value": value},
+            )
+
+        try:
+            parsed = parse_date(value)
+            if parsed is not None:
+                return datetime.datetime(parsed.year, parsed.month, parsed.day)
+        except ValueError:
+            raise exceptions.ValidationError(
+                self.error_messages["invalid_date"],
+                code="invalid_date",
+                params={"value": value},
+            )
+
+        raise exceptions.ValidationError(
+            self.error_messages["invalid"],
+            code="invalid",
+            params={"value": value},
+        )
+
+    def pre_save(self, model_instance, add):
+        if self.auto_now or (self.auto_now_add and add):
+            value = timezone.now()
+            setattr(model_instance, self.attname, value)
+            return value
+        else:
+            return super().pre_save(model_instance, add)
+
+    # contribute_to_class is inherited from DateField, it registers
+    # get_next_by_FOO and get_prev_by_FOO
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        value = self.to_python(value)
+        if value is not None and settings.USE_TZ and timezone.is_naive(value):
+            # For backwards compatibility, interpret naive datetimes in local
+            # time. This won't work during DST change, but we can't do much
+            # about it, so we let the exceptions percolate up the call stack.
+            try:
+                name = "%s.%s" % (self.model.__name__, self.name)
+            except AttributeError:
+                name = "(unbound)"
+            warnings.warn(
+                "DateTimeField %s received a naive datetime (%s)"
+                " while time zone support is active." % (name, value),
+                RuntimeWarning,
+            )
+            default_timezone = timezone.get_default_timezone()
+            value = timezone.make_aware(value, default_timezone)
+        return value
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        # Casts datetimes into the format expected by the backend
+        if not prepared:
+            value = self.get_prep_value(value)
+        return connection.ops.adapt_datetimefield_value(value)
+
+    def value_to_string(self, obj):
+        val = self.value_from_object(obj)
+        return "" if val is None else val.isoformat()
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.DateTimeField,
+                **kwargs,
+            }
+        )
+
+
+class DecimalField(Field):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _("“%(value)s” value must be a decimal number."),
+    }
+    description = _("Decimal number")
+
+    def __init__(
+        self,
+        verbose_name=None,
+        name=None,
+        max_digits=None,
+        decimal_places=None,
+        **kwargs,
+    ):
+        self.max_digits, self.decimal_places = max_digits, decimal_places
+        super().__init__(verbose_name, name, **kwargs)
+
+    def check(self, **kwargs):
+        errors = super().check(**kwargs)
+
+        digits_errors = [
+            *self._check_decimal_places(),
+            *self._check_max_digits(),
+        ]
+        if not digits_errors:
+            errors.extend(self._check_decimal_places_and_max_digits(**kwargs))
+        else:
+            errors.extend(digits_errors)
+        return errors
+
+    def _check_decimal_places(self):
+        try:
+            decimal_places = int(self.decimal_places)
+            if decimal_places < 0:
+                raise ValueError()
+        except TypeError:
+            return [
+                checks.Error(
+                    "DecimalFields must define a 'decimal_places' attribute.",
+                    obj=self,
+                    id="fields.E130",
+                )
+            ]
+        except ValueError:
+            return [
+                checks.Error(
+                    "'decimal_places' must be a non-negative integer.",
+                    obj=self,
+                    id="fields.E131",
+                )
+            ]
+        else:
+            return []
+
+    def _check_max_digits(self):
+        try:
+            max_digits = int(self.max_digits)
+            if max_digits <= 0:
+                raise ValueError()
+        except TypeError:
+            return [
+                checks.Error(
+                    "DecimalFields must define a 'max_digits' attribute.",
+                    obj=self,
+                    id="fields.E132",
+                )
+            ]
+        except ValueError:
+            return [
+                checks.Error(
+                    "'max_digits' must be a positive integer.",
+                    obj=self,
+                    id="fields.E133",
+                )
+            ]
+        else:
+            return []
+
+    def _check_decimal_places_and_max_digits(self, **kwargs):
+        if int(self.decimal_places) > int(self.max_digits):
+            return [
+                checks.Error(
+                    "'max_digits' must be greater or equal to 'decimal_places'.",
+                    obj=self,
+                    id="fields.E134",
+                )
+            ]
+        return []
+
+    @cached_property
+    def validators(self):
+        return super().validators + [
+            validators.DecimalValidator(self.max_digits, self.decimal_places)
+        ]
+
+    @cached_property
+    def context(self):
+        return decimal.Context(prec=self.max_digits)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.max_digits is not None:
+            kwargs["max_digits"] = self.max_digits
+        if self.decimal_places is not None:
+            kwargs["decimal_places"] = self.decimal_places
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "DecimalField"
+
+    def to_python(self, value):
+        if value is None:
+            return value
+        try:
+            if isinstance(value, float):
+                decimal_value = self.context.create_decimal_from_float(value)
+            else:
+                decimal_value = decimal.Decimal(value)
+        except (decimal.InvalidOperation, TypeError, ValueError):
+            raise exceptions.ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={"value": value},
+            )
+        if not decimal_value.is_finite():
+            raise exceptions.ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={"value": value},
+            )
+        return decimal_value
+
+    def get_db_prep_save(self, value, connection):
+        if hasattr(value, "as_sql"):
+            return value
+        return connection.ops.adapt_decimalfield_value(
+            self.to_python(value), self.max_digits, self.decimal_places
+        )
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        return self.to_python(value)
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "max_digits": self.max_digits,
+                "decimal_places": self.decimal_places,
+                "form_class": forms.DecimalField,
+                **kwargs,
+            }
+        )
+
+
+class DurationField(Field):
+    """
+    Store timedelta objects.
+
+    Use interval on PostgreSQL, INTERVAL DAY TO SECOND on Oracle, and bigint
+    of microseconds on other databases.
+    """
+
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _(
+            "“%(value)s” value has an invalid format. It must be in "
+            "[DD] [[HH:]MM:]ss[.uuuuuu] format."
+        )
+    }
+    description = _("Duration")
+
+    def get_internal_type(self):
+        return "DurationField"
+
+    def to_python(self, value):
+        if value is None:
+            return value
+        if isinstance(value, datetime.timedelta):
+            return value
+        try:
+            parsed = parse_duration(value)
+        except ValueError:
+            pass
+        else:
+            if parsed is not None:
+                return parsed
+
+        raise exceptions.ValidationError(
+            self.error_messages["invalid"],
+            code="invalid",
+            params={"value": value},
+        )
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if connection.features.has_native_duration_field:
+            return value
+        if value is None:
+            return None
+        return duration_microseconds(value)
+
+    def get_db_converters(self, connection):
+        converters = []
+        if not connection.features.has_native_duration_field:
+            converters.append(connection.ops.convert_durationfield_value)
+        return converters + super().get_db_converters(connection)
+
+    def value_to_string(self, obj):
+        val = self.value_from_object(obj)
+        return "" if val is None else duration_string(val)
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.DurationField,
+                **kwargs,
+            }
+        )
+
+
+class EmailField(CharField):
+    default_validators = [validators.validate_email]
+    description = _("Email address")
+
+    def __init__(self, *args, **kwargs):
+        # max_length=254 to be compliant with RFCs 3696 and 5321
+        kwargs.setdefault("max_length", 254)
+        super().__init__(*args, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        # We do not exclude max_length if it matches default as we want to change
+        # the default in future.
+        return name, path, args, kwargs
+
+    def formfield(self, **kwargs):
+        # As with CharField, this will cause email validation to be performed
+        # twice.
+        return super().formfield(
+            **{
+                "form_class": forms.EmailField,
+                **kwargs,
+            }
+        )
+
+
+class FilePathField(Field):
+    description = _("File path")
+
+    def __init__(
+        self,
+        verbose_name=None,
+        name=None,
+        path="",
+        match=None,
+        recursive=False,
+        allow_files=True,
+        allow_folders=False,
+        **kwargs,
+    ):
+        self.path, self.match, self.recursive = path, match, recursive
+        self.allow_files, self.allow_folders = allow_files, allow_folders
+        kwargs.setdefault("max_length", 100)
+        super().__init__(verbose_name, name, **kwargs)
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_allowing_files_or_folders(**kwargs),
+        ]
+
+    def _check_allowing_files_or_folders(self, **kwargs):
+        if not self.allow_files and not self.allow_folders:
+            return [
+                checks.Error(
+                    "FilePathFields must have either 'allow_files' or 'allow_folders' "
+                    "set to True.",
+                    obj=self,
+                    id="fields.E140",
+                )
+            ]
+        return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.path != "":
+            kwargs["path"] = self.path
+        if self.match is not None:
+            kwargs["match"] = self.match
+        if self.recursive is not False:
+            kwargs["recursive"] = self.recursive
+        if self.allow_files is not True:
+            kwargs["allow_files"] = self.allow_files
+        if self.allow_folders is not False:
+            kwargs["allow_folders"] = self.allow_folders
+        if kwargs.get("max_length") == 100:
+            del kwargs["max_length"]
+        return name, path, args, kwargs
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        if value is None:
+            return None
+        return str(value)
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "path": self.path() if callable(self.path) else self.path,
+                "match": self.match,
+                "recursive": self.recursive,
+                "form_class": forms.FilePathField,
+                "allow_files": self.allow_files,
+                "allow_folders": self.allow_folders,
+                **kwargs,
+            }
+        )
+
+    def get_internal_type(self):
+        return "FilePathField"
+
+
+class FloatField(Field):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _("“%(value)s” value must be a float."),
+    }
+    description = _("Floating point number")
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        if value is None:
+            return None
+        try:
+            return float(value)
+        except (TypeError, ValueError) as e:
+            raise e.__class__(
+                "Field '%s' expected a number but got %r." % (self.name, value),
+            ) from e
+
+    def get_internal_type(self):
+        return "FloatField"
+
+    def to_python(self, value):
+        if value is None:
+            return value
+        try:
+            return float(value)
+        except (TypeError, ValueError):
+            raise exceptions.ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={"value": value},
+            )
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.FloatField,
+                **kwargs,
+            }
+        )
+
+
+class IntegerField(Field):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _("“%(value)s” value must be an integer."),
+    }
+    description = _("Integer")
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_max_length_warning(),
+        ]
+
+    def _check_max_length_warning(self):
+        if self.max_length is not None:
+            return [
+                checks.Warning(
+                    "'max_length' is ignored when used with %s."
+                    % self.__class__.__name__,
+                    hint="Remove 'max_length' from field",
+                    obj=self,
+                    id="fields.W122",
+                )
+            ]
+        return []
+
+    @cached_property
+    def validators(self):
+        # These validators can't be added at field initialization time since
+        # they're based on values retrieved from `connection`.
+        validators_ = super().validators
+        internal_type = self.get_internal_type()
+        min_value, max_value = connection.ops.integer_field_range(internal_type)
+        if min_value is not None and not any(
+            (
+                isinstance(validator, validators.MinValueValidator)
+                and (
+                    validator.limit_value()
+                    if callable(validator.limit_value)
+                    else validator.limit_value
+                )
+                >= min_value
+            )
+            for validator in validators_
+        ):
+            validators_.append(validators.MinValueValidator(min_value))
+        if max_value is not None and not any(
+            (
+                isinstance(validator, validators.MaxValueValidator)
+                and (
+                    validator.limit_value()
+                    if callable(validator.limit_value)
+                    else validator.limit_value
+                )
+                <= max_value
+            )
+            for validator in validators_
+        ):
+            validators_.append(validators.MaxValueValidator(max_value))
+        return validators_
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        if value is None:
+            return None
+        try:
+            return int(value)
+        except (TypeError, ValueError) as e:
+            raise e.__class__(
+                "Field '%s' expected a number but got %r." % (self.name, value),
+            ) from e
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        value = super().get_db_prep_value(value, connection, prepared)
+        return connection.ops.adapt_integerfield_value(value, self.get_internal_type())
+
+    def get_internal_type(self):
+        return "IntegerField"
+
+    def to_python(self, value):
+        if value is None:
+            return value
+        try:
+            return int(value)
+        except (TypeError, ValueError):
+            raise exceptions.ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={"value": value},
+            )
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.IntegerField,
+                **kwargs,
+            }
+        )
+
+
+class BigIntegerField(IntegerField):
+    description = _("Big (8 byte) integer")
+    MAX_BIGINT = 9223372036854775807
+
+    def get_internal_type(self):
+        return "BigIntegerField"
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "min_value": -BigIntegerField.MAX_BIGINT - 1,
+                "max_value": BigIntegerField.MAX_BIGINT,
+                **kwargs,
+            }
+        )
+
+
+class SmallIntegerField(IntegerField):
+    description = _("Small integer")
+
+    def get_internal_type(self):
+        return "SmallIntegerField"
+
+
+class IPAddressField(Field):
+    empty_strings_allowed = False
+    description = _("IPv4 address")
+    system_check_removed_details = {
+        "msg": (
+            "IPAddressField has been removed except for support in "
+            "historical migrations."
+        ),
+        "hint": "Use GenericIPAddressField instead.",
+        "id": "fields.E900",
+    }
+
+    def __init__(self, *args, **kwargs):
+        kwargs["max_length"] = 15
+        super().__init__(*args, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        del kwargs["max_length"]
+        return name, path, args, kwargs
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        if value is None:
+            return None
+        return str(value)
+
+    def get_internal_type(self):
+        return "IPAddressField"
+
+
+class GenericIPAddressField(Field):
+    empty_strings_allowed = False
+    description = _("IP address")
+    default_error_messages = {}
+
+    def __init__(
+        self,
+        verbose_name=None,
+        name=None,
+        protocol="both",
+        unpack_ipv4=False,
+        *args,
+        **kwargs,
+    ):
+        self.unpack_ipv4 = unpack_ipv4
+        self.protocol = protocol
+        (
+            self.default_validators,
+            invalid_error_message,
+        ) = validators.ip_address_validators(protocol, unpack_ipv4)
+        self.default_error_messages["invalid"] = invalid_error_message
+        kwargs["max_length"] = 39
+        super().__init__(verbose_name, name, *args, **kwargs)
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_blank_and_null_values(**kwargs),
+        ]
+
+    def _check_blank_and_null_values(self, **kwargs):
+        if not getattr(self, "null", False) and getattr(self, "blank", False):
+            return [
+                checks.Error(
+                    "GenericIPAddressFields cannot have blank=True if null=False, "
+                    "as blank values are stored as nulls.",
+                    obj=self,
+                    id="fields.E150",
+                )
+            ]
+        return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.unpack_ipv4 is not False:
+            kwargs["unpack_ipv4"] = self.unpack_ipv4
+        if self.protocol != "both":
+            kwargs["protocol"] = self.protocol
+        if kwargs.get("max_length") == 39:
+            del kwargs["max_length"]
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "GenericIPAddressField"
+
+    def to_python(self, value):
+        if value is None:
+            return None
+        if not isinstance(value, str):
+            value = str(value)
+        value = value.strip()
+        if ":" in value:
+            return clean_ipv6_address(
+                value, self.unpack_ipv4, self.error_messages["invalid"]
+            )
+        return value
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if not prepared:
+            value = self.get_prep_value(value)
+        return connection.ops.adapt_ipaddressfield_value(value)
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        if value is None:
+            return None
+        if value and ":" in value:
+            try:
+                return clean_ipv6_address(value, self.unpack_ipv4)
+            except exceptions.ValidationError:
+                pass
+        return str(value)
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "protocol": self.protocol,
+                "form_class": forms.GenericIPAddressField,
+                **kwargs,
+            }
+        )
+
+
+class NullBooleanField(BooleanField):
+    default_error_messages = {
+        "invalid": _("“%(value)s” value must be either None, True or False."),
+        "invalid_nullable": _("“%(value)s” value must be either None, True or False."),
+    }
+    description = _("Boolean (Either True, False or None)")
+    system_check_removed_details = {
+        "msg": (
+            "NullBooleanField is removed except for support in historical "
+            "migrations."
+        ),
+        "hint": "Use BooleanField(null=True, blank=True) instead.",
+        "id": "fields.E903",
+    }
+
+    def __init__(self, *args, **kwargs):
+        kwargs["null"] = True
+        kwargs["blank"] = True
+        super().__init__(*args, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        del kwargs["null"]
+        del kwargs["blank"]
+        return name, path, args, kwargs
+
+
+class PositiveIntegerRelDbTypeMixin:
+    def __init_subclass__(cls, **kwargs):
+        super().__init_subclass__(**kwargs)
+        if not hasattr(cls, "integer_field_class"):
+            cls.integer_field_class = next(
+                (
+                    parent
+                    for parent in cls.__mro__[1:]
+                    if issubclass(parent, IntegerField)
+                ),
+                None,
+            )
+
+    def rel_db_type(self, connection):
+        """
+        Return the data type that a related field pointing to this field should
+        use. In most cases, a foreign key pointing to a positive integer
+        primary key will have an integer column data type but some databases
+        (e.g. MySQL) have an unsigned integer type. In that case
+        (related_fields_match_type=True), the primary key should return its
+        db_type.
+        """
+        if connection.features.related_fields_match_type:
+            return self.db_type(connection)
+        else:
+            return self.integer_field_class().db_type(connection=connection)
+
+
+class PositiveBigIntegerField(PositiveIntegerRelDbTypeMixin, BigIntegerField):
+    description = _("Positive big integer")
+
+    def get_internal_type(self):
+        return "PositiveBigIntegerField"
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "min_value": 0,
+                **kwargs,
+            }
+        )
+
+
+class PositiveIntegerField(PositiveIntegerRelDbTypeMixin, IntegerField):
+    description = _("Positive integer")
+
+    def get_internal_type(self):
+        return "PositiveIntegerField"
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "min_value": 0,
+                **kwargs,
+            }
+        )
+
+
+class PositiveSmallIntegerField(PositiveIntegerRelDbTypeMixin, SmallIntegerField):
+    description = _("Positive small integer")
+
+    def get_internal_type(self):
+        return "PositiveSmallIntegerField"
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "min_value": 0,
+                **kwargs,
+            }
+        )
+
+
+class SlugField(CharField):
+    default_validators = [validators.validate_slug]
+    description = _("Slug (up to %(max_length)s)")
+
+    def __init__(
+        self, *args, max_length=50, db_index=True, allow_unicode=False, **kwargs
+    ):
+        self.allow_unicode = allow_unicode
+        if self.allow_unicode:
+            self.default_validators = [validators.validate_unicode_slug]
+        super().__init__(*args, max_length=max_length, db_index=db_index, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if kwargs.get("max_length") == 50:
+            del kwargs["max_length"]
+        if self.db_index is False:
+            kwargs["db_index"] = False
+        else:
+            del kwargs["db_index"]
+        if self.allow_unicode is not False:
+            kwargs["allow_unicode"] = self.allow_unicode
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "SlugField"
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.SlugField,
+                "allow_unicode": self.allow_unicode,
+                **kwargs,
+            }
+        )
+
+
+class TextField(Field):
+    description = _("Text")
+
+    def __init__(self, *args, db_collation=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.db_collation = db_collation
+
+    def check(self, **kwargs):
+        databases = kwargs.get("databases") or []
+        return [
+            *super().check(**kwargs),
+            *self._check_db_collation(databases),
+        ]
+
+    def _check_db_collation(self, databases):
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, self.model):
+                continue
+            connection = connections[db]
+            if not (
+                self.db_collation is None
+                or "supports_collation_on_textfield"
+                in self.model._meta.required_db_features
+                or connection.features.supports_collation_on_textfield
+            ):
+                errors.append(
+                    checks.Error(
+                        "%s does not support a database collation on "
+                        "TextFields." % connection.display_name,
+                        obj=self,
+                        id="fields.E190",
+                    ),
+                )
+        return errors
+
+    def db_parameters(self, connection):
+        db_params = super().db_parameters(connection)
+        db_params["collation"] = self.db_collation
+        return db_params
+
+    def get_internal_type(self):
+        return "TextField"
+
+    def to_python(self, value):
+        if isinstance(value, str) or value is None:
+            return value
+        return str(value)
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        return self.to_python(value)
+
+    def formfield(self, **kwargs):
+        # Passing max_length to forms.CharField means that the value's length
+        # will be validated twice. This is considered acceptable since we want
+        # the value in the form field (to pass into widget for example).
+        return super().formfield(
+            **{
+                "max_length": self.max_length,
+                **({} if self.choices is not None else {"widget": forms.Textarea}),
+                **kwargs,
+            }
+        )
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.db_collation:
+            kwargs["db_collation"] = self.db_collation
+        return name, path, args, kwargs
+
+
+class TimeField(DateTimeCheckMixin, Field):
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _(
+            "“%(value)s” value has an invalid format. It must be in "
+            "HH:MM[:ss[.uuuuuu]] format."
+        ),
+        "invalid_time": _(
+            "“%(value)s” value has the correct format "
+            "(HH:MM[:ss[.uuuuuu]]) but it is an invalid time."
+        ),
+    }
+    description = _("Time")
+
+    def __init__(
+        self, verbose_name=None, name=None, auto_now=False, auto_now_add=False, **kwargs
+    ):
+        self.auto_now, self.auto_now_add = auto_now, auto_now_add
+        if auto_now or auto_now_add:
+            kwargs["editable"] = False
+            kwargs["blank"] = True
+        super().__init__(verbose_name, name, **kwargs)
+
+    def _check_fix_default_value(self):
+        """
+        Warn that using an actual date or datetime value is probably wrong;
+        it's only evaluated on server startup.
+        """
+        if not self.has_default():
+            return []
+
+        value = self.default
+        if isinstance(value, datetime.datetime):
+            now = None
+        elif isinstance(value, datetime.time):
+            now = _get_naive_now()
+            # This will not use the right date in the race condition where now
+            # is just before the date change and value is just past 0:00.
+            value = datetime.datetime.combine(now.date(), value)
+        else:
+            # No explicit time / datetime value -- no checks necessary
+            return []
+        # At this point, value is a datetime object.
+        return self._check_if_value_fixed(value, now=now)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.auto_now is not False:
+            kwargs["auto_now"] = self.auto_now
+        if self.auto_now_add is not False:
+            kwargs["auto_now_add"] = self.auto_now_add
+        if self.auto_now or self.auto_now_add:
+            del kwargs["blank"]
+            del kwargs["editable"]
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "TimeField"
+
+    def to_python(self, value):
+        if value is None:
+            return None
+        if isinstance(value, datetime.time):
+            return value
+        if isinstance(value, datetime.datetime):
+            # Not usually a good idea to pass in a datetime here (it loses
+            # information), but this can be a side-effect of interacting with a
+            # database backend (e.g. Oracle), so we'll be accommodating.
+            return value.time()
+
+        try:
+            parsed = parse_time(value)
+            if parsed is not None:
+                return parsed
+        except ValueError:
+            raise exceptions.ValidationError(
+                self.error_messages["invalid_time"],
+                code="invalid_time",
+                params={"value": value},
+            )
+
+        raise exceptions.ValidationError(
+            self.error_messages["invalid"],
+            code="invalid",
+            params={"value": value},
+        )
+
+    def pre_save(self, model_instance, add):
+        if self.auto_now or (self.auto_now_add and add):
+            value = datetime.datetime.now().time()
+            setattr(model_instance, self.attname, value)
+            return value
+        else:
+            return super().pre_save(model_instance, add)
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        return self.to_python(value)
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        # Casts times into the format expected by the backend
+        if not prepared:
+            value = self.get_prep_value(value)
+        return connection.ops.adapt_timefield_value(value)
+
+    def value_to_string(self, obj):
+        val = self.value_from_object(obj)
+        return "" if val is None else val.isoformat()
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.TimeField,
+                **kwargs,
+            }
+        )
+
+
+class URLField(CharField):
+    default_validators = [validators.URLValidator()]
+    description = _("URL")
+
+    def __init__(self, verbose_name=None, name=None, **kwargs):
+        kwargs.setdefault("max_length", 200)
+        super().__init__(verbose_name, name, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if kwargs.get("max_length") == 200:
+            del kwargs["max_length"]
+        return name, path, args, kwargs
+
+    def formfield(self, **kwargs):
+        # As with CharField, this will cause URL validation to be performed
+        # twice.
+        return super().formfield(
+            **{
+                "form_class": forms.URLField,
+                **kwargs,
+            }
+        )
+
+
+class BinaryField(Field):
+    description = _("Raw binary data")
+    empty_values = [None, b""]
+
+    def __init__(self, *args, **kwargs):
+        kwargs.setdefault("editable", False)
+        super().__init__(*args, **kwargs)
+        if self.max_length is not None:
+            self.validators.append(validators.MaxLengthValidator(self.max_length))
+
+    def check(self, **kwargs):
+        return [*super().check(**kwargs), *self._check_str_default_value()]
+
+    def _check_str_default_value(self):
+        if self.has_default() and isinstance(self.default, str):
+            return [
+                checks.Error(
+                    "BinaryField's default cannot be a string. Use bytes "
+                    "content instead.",
+                    obj=self,
+                    id="fields.E170",
+                )
+            ]
+        return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.editable:
+            kwargs["editable"] = True
+        else:
+            del kwargs["editable"]
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "BinaryField"
+
+    def get_placeholder(self, value, compiler, connection):
+        return connection.ops.binary_placeholder_sql(value)
+
+    def get_default(self):
+        if self.has_default() and not callable(self.default):
+            return self.default
+        default = super().get_default()
+        if default == "":
+            return b""
+        return default
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        value = super().get_db_prep_value(value, connection, prepared)
+        if value is not None:
+            return connection.Database.Binary(value)
+        return value
+
+    def value_to_string(self, obj):
+        """Binary data is serialized as base64"""
+        return b64encode(self.value_from_object(obj)).decode("ascii")
+
+    def to_python(self, value):
+        # If it's a string, it should be base64-encoded data
+        if isinstance(value, str):
+            return memoryview(b64decode(value.encode("ascii")))
+        return value
+
+
+class UUIDField(Field):
+    default_error_messages = {
+        "invalid": _("“%(value)s” is not a valid UUID."),
+    }
+    description = _("Universally unique identifier")
+    empty_strings_allowed = False
+
+    def __init__(self, verbose_name=None, **kwargs):
+        kwargs["max_length"] = 32
+        super().__init__(verbose_name, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        del kwargs["max_length"]
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "UUIDField"
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        return self.to_python(value)
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if value is None:
+            return None
+        if not isinstance(value, uuid.UUID):
+            value = self.to_python(value)
+
+        if connection.features.has_native_uuid_field:
+            return value
+        return value.hex
+
+    def to_python(self, value):
+        if value is not None and not isinstance(value, uuid.UUID):
+            input_form = "int" if isinstance(value, int) else "hex"
+            try:
+                return uuid.UUID(**{input_form: value})
+            except (AttributeError, ValueError):
+                raise exceptions.ValidationError(
+                    self.error_messages["invalid"],
+                    code="invalid",
+                    params={"value": value},
+                )
+        return value
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.UUIDField,
+                **kwargs,
+            }
+        )
+
+
+class AutoFieldMixin:
+    db_returning = True
+
+    def __init__(self, *args, **kwargs):
+        kwargs["blank"] = True
+        super().__init__(*args, **kwargs)
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_primary_key(),
+        ]
+
+    def _check_primary_key(self):
+        if not self.primary_key:
+            return [
+                checks.Error(
+                    "AutoFields must set primary_key=True.",
+                    obj=self,
+                    id="fields.E100",
+                ),
+            ]
+        else:
+            return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        del kwargs["blank"]
+        kwargs["primary_key"] = True
+        return name, path, args, kwargs
+
+    def validate(self, value, model_instance):
+        pass
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if not prepared:
+            value = self.get_prep_value(value)
+            value = connection.ops.validate_autopk_value(value)
+        return value
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        if cls._meta.auto_field:
+            raise ValueError(
+                "Model %s can't have more than one auto-generated field."
+                % cls._meta.label
+            )
+        super().contribute_to_class(cls, name, **kwargs)
+        cls._meta.auto_field = self
+
+    def formfield(self, **kwargs):
+        return None
+
+
+class AutoFieldMeta(type):
+    """
+    Metaclass to maintain backward inheritance compatibility for AutoField.
+
+    It is intended that AutoFieldMixin become public API when it is possible to
+    create a non-integer automatically-generated field using column defaults
+    stored in the database.
+
+    In many areas Django also relies on using isinstance() to check for an
+    automatically-generated field as a subclass of AutoField. A new flag needs
+    to be implemented on Field to be used instead.
+
+    When these issues have been addressed, this metaclass could be used to
+    deprecate inheritance from AutoField and use of isinstance() with AutoField
+    for detecting automatically-generated fields.
+    """
+
+    @property
+    def _subclasses(self):
+        return (BigAutoField, SmallAutoField)
+
+    def __instancecheck__(self, instance):
+        return isinstance(instance, self._subclasses) or super().__instancecheck__(
+            instance
+        )
+
+    def __subclasscheck__(self, subclass):
+        return issubclass(subclass, self._subclasses) or super().__subclasscheck__(
+            subclass
+        )
+
+
+class AutoField(AutoFieldMixin, IntegerField, metaclass=AutoFieldMeta):
+    def get_internal_type(self):
+        return "AutoField"
+
+    def rel_db_type(self, connection):
+        return IntegerField().db_type(connection=connection)
+
+
+class BigAutoField(AutoFieldMixin, BigIntegerField):
+    def get_internal_type(self):
+        return "BigAutoField"
+
+    def rel_db_type(self, connection):
+        return BigIntegerField().db_type(connection=connection)
+
+
+class SmallAutoField(AutoFieldMixin, SmallIntegerField):
+    def get_internal_type(self):
+        return "SmallAutoField"
+
+    def rel_db_type(self, connection):
+        return SmallIntegerField().db_type(connection=connection)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/files.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/files.py
new file mode 100644
index 00000000..95985684
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/files.py
@@ -0,0 +1,511 @@
+import datetime
+import posixpath
+
+from django import forms
+from django.core import checks
+from django.core.files.base import File
+from django.core.files.images import ImageFile
+from django.core.files.storage import Storage, default_storage
+from django.core.files.utils import validate_file_name
+from django.db.models import signals
+from django.db.models.fields import Field
+from django.db.models.query_utils import DeferredAttribute
+from django.db.models.utils import AltersData
+from django.utils.translation import gettext_lazy as _
+
+
+class FieldFile(File, AltersData):
+    def __init__(self, instance, field, name):
+        super().__init__(None, name)
+        self.instance = instance
+        self.field = field
+        self.storage = field.storage
+        self._committed = True
+
+    def __eq__(self, other):
+        # Older code may be expecting FileField values to be simple strings.
+        # By overriding the == operator, it can remain backwards compatibility.
+        if hasattr(other, "name"):
+            return self.name == other.name
+        return self.name == other
+
+    def __hash__(self):
+        return hash(self.name)
+
+    # The standard File contains most of the necessary properties, but
+    # FieldFiles can be instantiated without a name, so that needs to
+    # be checked for here.
+
+    def _require_file(self):
+        if not self:
+            raise ValueError(
+                "The '%s' attribute has no file associated with it." % self.field.name
+            )
+
+    def _get_file(self):
+        self._require_file()
+        if getattr(self, "_file", None) is None:
+            self._file = self.storage.open(self.name, "rb")
+        return self._file
+
+    def _set_file(self, file):
+        self._file = file
+
+    def _del_file(self):
+        del self._file
+
+    file = property(_get_file, _set_file, _del_file)
+
+    @property
+    def path(self):
+        self._require_file()
+        return self.storage.path(self.name)
+
+    @property
+    def url(self):
+        self._require_file()
+        return self.storage.url(self.name)
+
+    @property
+    def size(self):
+        self._require_file()
+        if not self._committed:
+            return self.file.size
+        return self.storage.size(self.name)
+
+    def open(self, mode="rb"):
+        self._require_file()
+        if getattr(self, "_file", None) is None:
+            self.file = self.storage.open(self.name, mode)
+        else:
+            self.file.open(mode)
+        return self
+
+    # open() doesn't alter the file's contents, but it does reset the pointer
+    open.alters_data = True
+
+    # In addition to the standard File API, FieldFiles have extra methods
+    # to further manipulate the underlying file, as well as update the
+    # associated model instance.
+
+    def save(self, name, content, save=True):
+        name = self.field.generate_filename(self.instance, name)
+        self.name = self.storage.save(name, content, max_length=self.field.max_length)
+        setattr(self.instance, self.field.attname, self.name)
+        self._committed = True
+
+        # Save the object because it has changed, unless save is False
+        if save:
+            self.instance.save()
+
+    save.alters_data = True
+
+    def delete(self, save=True):
+        if not self:
+            return
+        # Only close the file if it's already open, which we know by the
+        # presence of self._file
+        if hasattr(self, "_file"):
+            self.close()
+            del self.file
+
+        self.storage.delete(self.name)
+
+        self.name = None
+        setattr(self.instance, self.field.attname, self.name)
+        self._committed = False
+
+        if save:
+            self.instance.save()
+
+    delete.alters_data = True
+
+    @property
+    def closed(self):
+        file = getattr(self, "_file", None)
+        return file is None or file.closed
+
+    def close(self):
+        file = getattr(self, "_file", None)
+        if file is not None:
+            file.close()
+
+    def __getstate__(self):
+        # FieldFile needs access to its associated model field, an instance and
+        # the file's name. Everything else will be restored later, by
+        # FileDescriptor below.
+        return {
+            "name": self.name,
+            "closed": False,
+            "_committed": True,
+            "_file": None,
+            "instance": self.instance,
+            "field": self.field,
+        }
+
+    def __setstate__(self, state):
+        self.__dict__.update(state)
+        self.storage = self.field.storage
+
+
+class FileDescriptor(DeferredAttribute):
+    """
+    The descriptor for the file attribute on the model instance. Return a
+    FieldFile when accessed so you can write code like::
+
+        >>> from myapp.models import MyModel
+        >>> instance = MyModel.objects.get(pk=1)
+        >>> instance.file.size
+
+    Assign a file object on assignment so you can do::
+
+        >>> with open('/path/to/hello.world') as f:
+        ...     instance.file = File(f)
+    """
+
+    def __get__(self, instance, cls=None):
+        if instance is None:
+            return self
+
+        # This is slightly complicated, so worth an explanation.
+        # instance.file needs to ultimately return some instance of `File`,
+        # probably a subclass. Additionally, this returned object needs to have
+        # the FieldFile API so that users can easily do things like
+        # instance.file.path and have that delegated to the file storage engine.
+        # Easy enough if we're strict about assignment in __set__, but if you
+        # peek below you can see that we're not. So depending on the current
+        # value of the field we have to dynamically construct some sort of
+        # "thing" to return.
+
+        # The instance dict contains whatever was originally assigned
+        # in __set__.
+        file = super().__get__(instance, cls)
+
+        # If this value is a string (instance.file = "path/to/file") or None
+        # then we simply wrap it with the appropriate attribute class according
+        # to the file field. [This is FieldFile for FileFields and
+        # ImageFieldFile for ImageFields; it's also conceivable that user
+        # subclasses might also want to subclass the attribute class]. This
+        # object understands how to convert a path to a file, and also how to
+        # handle None.
+        if isinstance(file, str) or file is None:
+            attr = self.field.attr_class(instance, self.field, file)
+            instance.__dict__[self.field.attname] = attr
+
+        # Other types of files may be assigned as well, but they need to have
+        # the FieldFile interface added to them. Thus, we wrap any other type of
+        # File inside a FieldFile (well, the field's attr_class, which is
+        # usually FieldFile).
+        elif isinstance(file, File) and not isinstance(file, FieldFile):
+            file_copy = self.field.attr_class(instance, self.field, file.name)
+            file_copy.file = file
+            file_copy._committed = False
+            instance.__dict__[self.field.attname] = file_copy
+
+        # Finally, because of the (some would say boneheaded) way pickle works,
+        # the underlying FieldFile might not actually itself have an associated
+        # file. So we need to reset the details of the FieldFile in those cases.
+        elif isinstance(file, FieldFile) and not hasattr(file, "field"):
+            file.instance = instance
+            file.field = self.field
+            file.storage = self.field.storage
+
+        # Make sure that the instance is correct.
+        elif isinstance(file, FieldFile) and instance is not file.instance:
+            file.instance = instance
+
+        # That was fun, wasn't it?
+        return instance.__dict__[self.field.attname]
+
+    def __set__(self, instance, value):
+        instance.__dict__[self.field.attname] = value
+
+
+class FileField(Field):
+    # The class to wrap instance attributes in. Accessing the file object off
+    # the instance will always return an instance of attr_class.
+    attr_class = FieldFile
+
+    # The descriptor to use for accessing the attribute off of the class.
+    descriptor_class = FileDescriptor
+
+    description = _("File")
+
+    def __init__(
+        self, verbose_name=None, name=None, upload_to="", storage=None, **kwargs
+    ):
+        self._primary_key_set_explicitly = "primary_key" in kwargs
+
+        self.storage = storage or default_storage
+        if callable(self.storage):
+            # Hold a reference to the callable for deconstruct().
+            self._storage_callable = self.storage
+            self.storage = self.storage()
+            if not isinstance(self.storage, Storage):
+                raise TypeError(
+                    "%s.storage must be a subclass/instance of %s.%s"
+                    % (
+                        self.__class__.__qualname__,
+                        Storage.__module__,
+                        Storage.__qualname__,
+                    )
+                )
+        self.upload_to = upload_to
+
+        kwargs.setdefault("max_length", 100)
+        super().__init__(verbose_name, name, **kwargs)
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_primary_key(),
+            *self._check_upload_to(),
+        ]
+
+    def _check_primary_key(self):
+        if self._primary_key_set_explicitly:
+            return [
+                checks.Error(
+                    "'primary_key' is not a valid argument for a %s."
+                    % self.__class__.__name__,
+                    obj=self,
+                    id="fields.E201",
+                )
+            ]
+        else:
+            return []
+
+    def _check_upload_to(self):
+        if isinstance(self.upload_to, str) and self.upload_to.startswith("/"):
+            return [
+                checks.Error(
+                    "%s's 'upload_to' argument must be a relative path, not an "
+                    "absolute path." % self.__class__.__name__,
+                    obj=self,
+                    id="fields.E202",
+                    hint="Remove the leading slash.",
+                )
+            ]
+        else:
+            return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if kwargs.get("max_length") == 100:
+            del kwargs["max_length"]
+        kwargs["upload_to"] = self.upload_to
+        storage = getattr(self, "_storage_callable", self.storage)
+        if storage is not default_storage:
+            kwargs["storage"] = storage
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return "FileField"
+
+    def get_prep_value(self, value):
+        value = super().get_prep_value(value)
+        # Need to convert File objects provided via a form to string for
+        # database insertion.
+        if value is None:
+            return None
+        return str(value)
+
+    def pre_save(self, model_instance, add):
+        file = super().pre_save(model_instance, add)
+        if file and not file._committed:
+            # Commit the file to storage prior to saving the model
+            file.save(file.name, file.file, save=False)
+        return file
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        super().contribute_to_class(cls, name, **kwargs)
+        setattr(cls, self.attname, self.descriptor_class(self))
+
+    def generate_filename(self, instance, filename):
+        """
+        Apply (if callable) or prepend (if a string) upload_to to the filename,
+        then delegate further processing of the name to the storage backend.
+        Until the storage layer, all file paths are expected to be Unix style
+        (with forward slashes).
+        """
+        if callable(self.upload_to):
+            filename = self.upload_to(instance, filename)
+        else:
+            dirname = datetime.datetime.now().strftime(str(self.upload_to))
+            filename = posixpath.join(dirname, filename)
+        filename = validate_file_name(filename, allow_relative_path=True)
+        return self.storage.generate_filename(filename)
+
+    def save_form_data(self, instance, data):
+        # Important: None means "no change", other false value means "clear"
+        # This subtle distinction (rather than a more explicit marker) is
+        # needed because we need to consume values that are also sane for a
+        # regular (non Model-) Form to find in its cleaned_data dictionary.
+        if data is not None:
+            # This value will be converted to str and stored in the
+            # database, so leaving False as-is is not acceptable.
+            setattr(instance, self.name, data or "")
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.FileField,
+                "max_length": self.max_length,
+                **kwargs,
+            }
+        )
+
+
+class ImageFileDescriptor(FileDescriptor):
+    """
+    Just like the FileDescriptor, but for ImageFields. The only difference is
+    assigning the width/height to the width_field/height_field, if appropriate.
+    """
+
+    def __set__(self, instance, value):
+        previous_file = instance.__dict__.get(self.field.attname)
+        super().__set__(instance, value)
+
+        # To prevent recalculating image dimensions when we are instantiating
+        # an object from the database (bug #11084), only update dimensions if
+        # the field had a value before this assignment.  Since the default
+        # value for FileField subclasses is an instance of field.attr_class,
+        # previous_file will only be None when we are called from
+        # Model.__init__().  The ImageField.update_dimension_fields method
+        # hooked up to the post_init signal handles the Model.__init__() cases.
+        # Assignment happening outside of Model.__init__() will trigger the
+        # update right here.
+        if previous_file is not None:
+            self.field.update_dimension_fields(instance, force=True)
+
+
+class ImageFieldFile(ImageFile, FieldFile):
+    def delete(self, save=True):
+        # Clear the image dimensions cache
+        if hasattr(self, "_dimensions_cache"):
+            del self._dimensions_cache
+        super().delete(save)
+
+
+class ImageField(FileField):
+    attr_class = ImageFieldFile
+    descriptor_class = ImageFileDescriptor
+    description = _("Image")
+
+    def __init__(
+        self,
+        verbose_name=None,
+        name=None,
+        width_field=None,
+        height_field=None,
+        **kwargs,
+    ):
+        self.width_field, self.height_field = width_field, height_field
+        super().__init__(verbose_name, name, **kwargs)
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_image_library_installed(),
+        ]
+
+    def _check_image_library_installed(self):
+        try:
+            from PIL import Image  # NOQA
+        except ImportError:
+            return [
+                checks.Error(
+                    "Cannot use ImageField because Pillow is not installed.",
+                    hint=(
+                        "Get Pillow at https://pypi.org/project/Pillow/ "
+                        'or run command "python -m pip install Pillow".'
+                    ),
+                    obj=self,
+                    id="fields.E210",
+                )
+            ]
+        else:
+            return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.width_field:
+            kwargs["width_field"] = self.width_field
+        if self.height_field:
+            kwargs["height_field"] = self.height_field
+        return name, path, args, kwargs
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        super().contribute_to_class(cls, name, **kwargs)
+        # Attach update_dimension_fields so that dimension fields declared
+        # after their corresponding image field don't stay cleared by
+        # Model.__init__, see bug #11196.
+        # Only run post-initialization dimension update on non-abstract models
+        # with width_field/height_field.
+        if not cls._meta.abstract and (self.width_field or self.height_field):
+            signals.post_init.connect(self.update_dimension_fields, sender=cls)
+
+    def update_dimension_fields(self, instance, force=False, *args, **kwargs):
+        """
+        Update field's width and height fields, if defined.
+
+        This method is hooked up to model's post_init signal to update
+        dimensions after instantiating a model instance.  However, dimensions
+        won't be updated if the dimensions fields are already populated.  This
+        avoids unnecessary recalculation when loading an object from the
+        database.
+
+        Dimensions can be forced to update with force=True, which is how
+        ImageFileDescriptor.__set__ calls this method.
+        """
+        # Nothing to update if the field doesn't have dimension fields or if
+        # the field is deferred.
+        has_dimension_fields = self.width_field or self.height_field
+        if not has_dimension_fields or self.attname not in instance.__dict__:
+            return
+
+        # getattr will call the ImageFileDescriptor's __get__ method, which
+        # coerces the assigned value into an instance of self.attr_class
+        # (ImageFieldFile in this case).
+        file = getattr(instance, self.attname)
+
+        # Nothing to update if we have no file and not being forced to update.
+        if not file and not force:
+            return
+
+        dimension_fields_filled = not (
+            (self.width_field and not getattr(instance, self.width_field))
+            or (self.height_field and not getattr(instance, self.height_field))
+        )
+        # When both dimension fields have values, we are most likely loading
+        # data from the database or updating an image field that already had
+        # an image stored.  In the first case, we don't want to update the
+        # dimension fields because we are already getting their values from the
+        # database.  In the second case, we do want to update the dimensions
+        # fields and will skip this return because force will be True since we
+        # were called from ImageFileDescriptor.__set__.
+        if dimension_fields_filled and not force:
+            return
+
+        # file should be an instance of ImageFieldFile or should be None.
+        if file:
+            width = file.width
+            height = file.height
+        else:
+            # No file, so clear dimensions fields.
+            width = None
+            height = None
+
+        # Update the width and height fields.
+        if self.width_field:
+            setattr(instance, self.width_field, width)
+        if self.height_field:
+            setattr(instance, self.height_field, height)
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.ImageField,
+                **kwargs,
+            }
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/generated.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/generated.py
new file mode 100644
index 00000000..5b6b188d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/generated.py
@@ -0,0 +1,197 @@
+from django.core import checks
+from django.db import connections, router
+from django.db.models.sql import Query
+from django.utils.functional import cached_property
+
+from . import NOT_PROVIDED, Field
+
+__all__ = ["GeneratedField"]
+
+
+class GeneratedField(Field):
+    generated = True
+    db_returning = True
+
+    _query = None
+    output_field = None
+
+    def __init__(self, *, expression, output_field, db_persist=None, **kwargs):
+        if kwargs.setdefault("editable", False):
+            raise ValueError("GeneratedField cannot be editable.")
+        if not kwargs.setdefault("blank", True):
+            raise ValueError("GeneratedField must be blank.")
+        if kwargs.get("default", NOT_PROVIDED) is not NOT_PROVIDED:
+            raise ValueError("GeneratedField cannot have a default.")
+        if kwargs.get("db_default", NOT_PROVIDED) is not NOT_PROVIDED:
+            raise ValueError("GeneratedField cannot have a database default.")
+        if db_persist not in (True, False):
+            raise ValueError("GeneratedField.db_persist must be True or False.")
+
+        self.expression = expression
+        self.output_field = output_field
+        self.db_persist = db_persist
+        super().__init__(**kwargs)
+
+    @cached_property
+    def cached_col(self):
+        from django.db.models.expressions import Col
+
+        return Col(self.model._meta.db_table, self, self.output_field)
+
+    def get_col(self, alias, output_field=None):
+        if alias != self.model._meta.db_table and output_field in (None, self):
+            output_field = self.output_field
+        return super().get_col(alias, output_field)
+
+    def contribute_to_class(self, *args, **kwargs):
+        super().contribute_to_class(*args, **kwargs)
+
+        self._query = Query(model=self.model, alias_cols=False)
+        # Register lookups from the output_field class.
+        for lookup_name, lookup in self.output_field.get_class_lookups().items():
+            self.register_lookup(lookup, lookup_name=lookup_name)
+
+    def generated_sql(self, connection):
+        compiler = connection.ops.compiler("SQLCompiler")(
+            self._query, connection=connection, using=None
+        )
+        resolved_expression = self.expression.resolve_expression(
+            self._query, allow_joins=False
+        )
+        sql, params = compiler.compile(resolved_expression)
+        if (
+            getattr(self.expression, "conditional", False)
+            and not connection.features.supports_boolean_expr_in_select_clause
+        ):
+            sql = f"CASE WHEN {sql} THEN 1 ELSE 0 END"
+        return sql, params
+
+    def check(self, **kwargs):
+        databases = kwargs.get("databases") or []
+        errors = [
+            *super().check(**kwargs),
+            *self._check_supported(databases),
+            *self._check_persistence(databases),
+        ]
+        output_field_clone = self.output_field.clone()
+        output_field_clone.model = self.model
+        output_field_checks = output_field_clone.check(databases=databases)
+        if output_field_checks:
+            separator = "\n    "
+            error_messages = separator.join(
+                f"{output_check.msg} ({output_check.id})"
+                for output_check in output_field_checks
+                if isinstance(output_check, checks.Error)
+            )
+            if error_messages:
+                errors.append(
+                    checks.Error(
+                        "GeneratedField.output_field has errors:"
+                        f"{separator}{error_messages}",
+                        obj=self,
+                        id="fields.E223",
+                    )
+                )
+            warning_messages = separator.join(
+                f"{output_check.msg} ({output_check.id})"
+                for output_check in output_field_checks
+                if isinstance(output_check, checks.Warning)
+            )
+            if warning_messages:
+                errors.append(
+                    checks.Warning(
+                        "GeneratedField.output_field has warnings:"
+                        f"{separator}{warning_messages}",
+                        obj=self,
+                        id="fields.W224",
+                    )
+                )
+        return errors
+
+    def _check_supported(self, databases):
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, self.model):
+                continue
+            connection = connections[db]
+            if (
+                self.model._meta.required_db_vendor
+                and self.model._meta.required_db_vendor != connection.vendor
+            ):
+                continue
+            if not (
+                connection.features.supports_virtual_generated_columns
+                or "supports_stored_generated_columns"
+                in self.model._meta.required_db_features
+            ) and not (
+                connection.features.supports_stored_generated_columns
+                or "supports_virtual_generated_columns"
+                in self.model._meta.required_db_features
+            ):
+                errors.append(
+                    checks.Error(
+                        f"{connection.display_name} does not support GeneratedFields.",
+                        obj=self,
+                        id="fields.E220",
+                    )
+                )
+        return errors
+
+    def _check_persistence(self, databases):
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, self.model):
+                continue
+            connection = connections[db]
+            if (
+                self.model._meta.required_db_vendor
+                and self.model._meta.required_db_vendor != connection.vendor
+            ):
+                continue
+            if not self.db_persist and not (
+                connection.features.supports_virtual_generated_columns
+                or "supports_virtual_generated_columns"
+                in self.model._meta.required_db_features
+            ):
+                errors.append(
+                    checks.Error(
+                        f"{connection.display_name} does not support non-persisted "
+                        "GeneratedFields.",
+                        obj=self,
+                        id="fields.E221",
+                        hint="Set db_persist=True on the field.",
+                    )
+                )
+            if self.db_persist and not (
+                connection.features.supports_stored_generated_columns
+                or "supports_stored_generated_columns"
+                in self.model._meta.required_db_features
+            ):
+                errors.append(
+                    checks.Error(
+                        f"{connection.display_name} does not support persisted "
+                        "GeneratedFields.",
+                        obj=self,
+                        id="fields.E222",
+                        hint="Set db_persist=False on the field.",
+                    )
+                )
+        return errors
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        del kwargs["blank"]
+        del kwargs["editable"]
+        kwargs["db_persist"] = self.db_persist
+        kwargs["expression"] = self.expression
+        kwargs["output_field"] = self.output_field
+        return name, path, args, kwargs
+
+    def get_internal_type(self):
+        return self.output_field.get_internal_type()
+
+    def db_parameters(self, connection):
+        return self.output_field.db_parameters(connection)
+
+    def db_type_parameters(self, connection):
+        return self.output_field.db_type_parameters(connection)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/json.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/json.py
new file mode 100644
index 00000000..b7cde157
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/json.py
@@ -0,0 +1,638 @@
+import json
+import warnings
+
+from django import forms
+from django.core import checks, exceptions
+from django.db import NotSupportedError, connections, router
+from django.db.models import expressions, lookups
+from django.db.models.constants import LOOKUP_SEP
+from django.db.models.fields import TextField
+from django.db.models.lookups import (
+    FieldGetDbPrepValueMixin,
+    PostgresOperatorLookup,
+    Transform,
+)
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.translation import gettext_lazy as _
+
+from . import Field
+from .mixins import CheckFieldDefaultMixin
+
+__all__ = ["JSONField"]
+
+
+class JSONField(CheckFieldDefaultMixin, Field):
+    empty_strings_allowed = False
+    description = _("A JSON object")
+    default_error_messages = {
+        "invalid": _("Value must be valid JSON."),
+    }
+    _default_hint = ("dict", "{}")
+
+    def __init__(
+        self,
+        verbose_name=None,
+        name=None,
+        encoder=None,
+        decoder=None,
+        **kwargs,
+    ):
+        if encoder and not callable(encoder):
+            raise ValueError("The encoder parameter must be a callable object.")
+        if decoder and not callable(decoder):
+            raise ValueError("The decoder parameter must be a callable object.")
+        self.encoder = encoder
+        self.decoder = decoder
+        super().__init__(verbose_name, name, **kwargs)
+
+    def check(self, **kwargs):
+        errors = super().check(**kwargs)
+        databases = kwargs.get("databases") or []
+        errors.extend(self._check_supported(databases))
+        return errors
+
+    def _check_supported(self, databases):
+        errors = []
+        for db in databases:
+            if not router.allow_migrate_model(db, self.model):
+                continue
+            connection = connections[db]
+            if (
+                self.model._meta.required_db_vendor
+                and self.model._meta.required_db_vendor != connection.vendor
+            ):
+                continue
+            if not (
+                "supports_json_field" in self.model._meta.required_db_features
+                or connection.features.supports_json_field
+            ):
+                errors.append(
+                    checks.Error(
+                        "%s does not support JSONFields." % connection.display_name,
+                        obj=self.model,
+                        id="fields.E180",
+                    )
+                )
+        return errors
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self.encoder is not None:
+            kwargs["encoder"] = self.encoder
+        if self.decoder is not None:
+            kwargs["decoder"] = self.decoder
+        return name, path, args, kwargs
+
+    def from_db_value(self, value, expression, connection):
+        if value is None:
+            return value
+        # Some backends (SQLite at least) extract non-string values in their
+        # SQL datatypes.
+        if isinstance(expression, KeyTransform) and not isinstance(value, str):
+            return value
+        try:
+            return json.loads(value, cls=self.decoder)
+        except json.JSONDecodeError:
+            return value
+
+    def get_internal_type(self):
+        return "JSONField"
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if not prepared:
+            value = self.get_prep_value(value)
+        # RemovedInDjango51Warning: When the deprecation ends, replace with:
+        # if (
+        #     isinstance(value, expressions.Value)
+        #     and isinstance(value.output_field, JSONField)
+        # ):
+        #     value = value.value
+        # elif hasattr(value, "as_sql"): ...
+        if isinstance(value, expressions.Value):
+            if isinstance(value.value, str) and not isinstance(
+                value.output_field, JSONField
+            ):
+                try:
+                    value = json.loads(value.value, cls=self.decoder)
+                except json.JSONDecodeError:
+                    value = value.value
+                else:
+                    warnings.warn(
+                        "Providing an encoded JSON string via Value() is deprecated. "
+                        f"Use Value({value!r}, output_field=JSONField()) instead.",
+                        category=RemovedInDjango51Warning,
+                    )
+            elif isinstance(value.output_field, JSONField):
+                value = value.value
+            else:
+                return value
+        elif hasattr(value, "as_sql"):
+            return value
+        return connection.ops.adapt_json_value(value, self.encoder)
+
+    def get_db_prep_save(self, value, connection):
+        if value is None:
+            return value
+        return self.get_db_prep_value(value, connection)
+
+    def get_transform(self, name):
+        transform = super().get_transform(name)
+        if transform:
+            return transform
+        return KeyTransformFactory(name)
+
+    def validate(self, value, model_instance):
+        super().validate(value, model_instance)
+        try:
+            json.dumps(value, cls=self.encoder)
+        except TypeError:
+            raise exceptions.ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={"value": value},
+            )
+
+    def value_to_string(self, obj):
+        return self.value_from_object(obj)
+
+    def formfield(self, **kwargs):
+        return super().formfield(
+            **{
+                "form_class": forms.JSONField,
+                "encoder": self.encoder,
+                "decoder": self.decoder,
+                **kwargs,
+            }
+        )
+
+
+def compile_json_path(key_transforms, include_root=True):
+    path = ["$"] if include_root else []
+    for key_transform in key_transforms:
+        try:
+            num = int(key_transform)
+        except ValueError:  # non-integer
+            path.append(".")
+            path.append(json.dumps(key_transform))
+        else:
+            path.append("[%s]" % num)
+    return "".join(path)
+
+
+class DataContains(FieldGetDbPrepValueMixin, PostgresOperatorLookup):
+    lookup_name = "contains"
+    postgres_operator = "@>"
+
+    def as_sql(self, compiler, connection):
+        if not connection.features.supports_json_field_contains:
+            raise NotSupportedError(
+                "contains lookup is not supported on this database backend."
+            )
+        lhs, lhs_params = self.process_lhs(compiler, connection)
+        rhs, rhs_params = self.process_rhs(compiler, connection)
+        params = tuple(lhs_params) + tuple(rhs_params)
+        return "JSON_CONTAINS(%s, %s)" % (lhs, rhs), params
+
+
+class ContainedBy(FieldGetDbPrepValueMixin, PostgresOperatorLookup):
+    lookup_name = "contained_by"
+    postgres_operator = "<@"
+
+    def as_sql(self, compiler, connection):
+        if not connection.features.supports_json_field_contains:
+            raise NotSupportedError(
+                "contained_by lookup is not supported on this database backend."
+            )
+        lhs, lhs_params = self.process_lhs(compiler, connection)
+        rhs, rhs_params = self.process_rhs(compiler, connection)
+        params = tuple(rhs_params) + tuple(lhs_params)
+        return "JSON_CONTAINS(%s, %s)" % (rhs, lhs), params
+
+
+class HasKeyLookup(PostgresOperatorLookup):
+    logical_operator = None
+
+    def compile_json_path_final_key(self, key_transform):
+        # Compile the final key without interpreting ints as array elements.
+        return ".%s" % json.dumps(key_transform)
+
+    def as_sql(self, compiler, connection, template=None):
+        # Process JSON path from the left-hand side.
+        if isinstance(self.lhs, KeyTransform):
+            lhs, lhs_params, lhs_key_transforms = self.lhs.preprocess_lhs(
+                compiler, connection
+            )
+            lhs_json_path = compile_json_path(lhs_key_transforms)
+        else:
+            lhs, lhs_params = self.process_lhs(compiler, connection)
+            lhs_json_path = "$"
+        sql = template % lhs
+        # Process JSON path from the right-hand side.
+        rhs = self.rhs
+        rhs_params = []
+        if not isinstance(rhs, (list, tuple)):
+            rhs = [rhs]
+        for key in rhs:
+            if isinstance(key, KeyTransform):
+                *_, rhs_key_transforms = key.preprocess_lhs(compiler, connection)
+            else:
+                rhs_key_transforms = [key]
+            *rhs_key_transforms, final_key = rhs_key_transforms
+            rhs_json_path = compile_json_path(rhs_key_transforms, include_root=False)
+            rhs_json_path += self.compile_json_path_final_key(final_key)
+            rhs_params.append(lhs_json_path + rhs_json_path)
+        # Add condition for each key.
+        if self.logical_operator:
+            sql = "(%s)" % self.logical_operator.join([sql] * len(rhs_params))
+        return sql, tuple(lhs_params) + tuple(rhs_params)
+
+    def as_mysql(self, compiler, connection):
+        return self.as_sql(
+            compiler, connection, template="JSON_CONTAINS_PATH(%s, 'one', %%s)"
+        )
+
+    def as_oracle(self, compiler, connection):
+        sql, params = self.as_sql(
+            compiler, connection, template="JSON_EXISTS(%s, '%%s')"
+        )
+        # Add paths directly into SQL because path expressions cannot be passed
+        # as bind variables on Oracle.
+        return sql % tuple(params), []
+
+    def as_postgresql(self, compiler, connection):
+        if isinstance(self.rhs, KeyTransform):
+            *_, rhs_key_transforms = self.rhs.preprocess_lhs(compiler, connection)
+            for key in rhs_key_transforms[:-1]:
+                self.lhs = KeyTransform(key, self.lhs)
+            self.rhs = rhs_key_transforms[-1]
+        return super().as_postgresql(compiler, connection)
+
+    def as_sqlite(self, compiler, connection):
+        return self.as_sql(
+            compiler, connection, template="JSON_TYPE(%s, %%s) IS NOT NULL"
+        )
+
+
+class HasKey(HasKeyLookup):
+    lookup_name = "has_key"
+    postgres_operator = "?"
+    prepare_rhs = False
+
+
+class HasKeys(HasKeyLookup):
+    lookup_name = "has_keys"
+    postgres_operator = "?&"
+    logical_operator = " AND "
+
+    def get_prep_lookup(self):
+        return [str(item) for item in self.rhs]
+
+
+class HasAnyKeys(HasKeys):
+    lookup_name = "has_any_keys"
+    postgres_operator = "?|"
+    logical_operator = " OR "
+
+
+class HasKeyOrArrayIndex(HasKey):
+    def compile_json_path_final_key(self, key_transform):
+        return compile_json_path([key_transform], include_root=False)
+
+
+class CaseInsensitiveMixin:
+    """
+    Mixin to allow case-insensitive comparison of JSON values on MySQL.
+    MySQL handles strings used in JSON context using the utf8mb4_bin collation.
+    Because utf8mb4_bin is a binary collation, comparison of JSON values is
+    case-sensitive.
+    """
+
+    def process_lhs(self, compiler, connection):
+        lhs, lhs_params = super().process_lhs(compiler, connection)
+        if connection.vendor == "mysql":
+            return "LOWER(%s)" % lhs, lhs_params
+        return lhs, lhs_params
+
+    def process_rhs(self, compiler, connection):
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        if connection.vendor == "mysql":
+            return "LOWER(%s)" % rhs, rhs_params
+        return rhs, rhs_params
+
+
+class JSONExact(lookups.Exact):
+    can_use_none_as_rhs = True
+
+    def process_rhs(self, compiler, connection):
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        # Treat None lookup values as null.
+        if rhs == "%s" and rhs_params == [None]:
+            rhs_params = ["null"]
+        if connection.vendor == "mysql":
+            func = ["JSON_EXTRACT(%s, '$')"] * len(rhs_params)
+            rhs %= tuple(func)
+        return rhs, rhs_params
+
+
+class JSONIContains(CaseInsensitiveMixin, lookups.IContains):
+    pass
+
+
+JSONField.register_lookup(DataContains)
+JSONField.register_lookup(ContainedBy)
+JSONField.register_lookup(HasKey)
+JSONField.register_lookup(HasKeys)
+JSONField.register_lookup(HasAnyKeys)
+JSONField.register_lookup(JSONExact)
+JSONField.register_lookup(JSONIContains)
+
+
+class KeyTransform(Transform):
+    postgres_operator = "->"
+    postgres_nested_operator = "#>"
+
+    def __init__(self, key_name, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.key_name = str(key_name)
+
+    def preprocess_lhs(self, compiler, connection):
+        key_transforms = [self.key_name]
+        previous = self.lhs
+        while isinstance(previous, KeyTransform):
+            key_transforms.insert(0, previous.key_name)
+            previous = previous.lhs
+        lhs, params = compiler.compile(previous)
+        if connection.vendor == "oracle":
+            # Escape string-formatting.
+            key_transforms = [key.replace("%", "%%") for key in key_transforms]
+        return lhs, params, key_transforms
+
+    def as_mysql(self, compiler, connection):
+        lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
+        json_path = compile_json_path(key_transforms)
+        return "JSON_EXTRACT(%s, %%s)" % lhs, tuple(params) + (json_path,)
+
+    def as_oracle(self, compiler, connection):
+        lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
+        json_path = compile_json_path(key_transforms)
+        return (
+            "COALESCE(JSON_QUERY(%s, '%s'), JSON_VALUE(%s, '%s'))"
+            % ((lhs, json_path) * 2)
+        ), tuple(params) * 2
+
+    def as_postgresql(self, compiler, connection):
+        lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
+        if len(key_transforms) > 1:
+            sql = "(%s %s %%s)" % (lhs, self.postgres_nested_operator)
+            return sql, tuple(params) + (key_transforms,)
+        try:
+            lookup = int(self.key_name)
+        except ValueError:
+            lookup = self.key_name
+        return "(%s %s %%s)" % (lhs, self.postgres_operator), tuple(params) + (lookup,)
+
+    def as_sqlite(self, compiler, connection):
+        lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
+        json_path = compile_json_path(key_transforms)
+        datatype_values = ",".join(
+            [repr(datatype) for datatype in connection.ops.jsonfield_datatype_values]
+        )
+        return (
+            "(CASE WHEN JSON_TYPE(%s, %%s) IN (%s) "
+            "THEN JSON_TYPE(%s, %%s) ELSE JSON_EXTRACT(%s, %%s) END)"
+        ) % (lhs, datatype_values, lhs, lhs), (tuple(params) + (json_path,)) * 3
+
+
+class KeyTextTransform(KeyTransform):
+    postgres_operator = "->>"
+    postgres_nested_operator = "#>>"
+    output_field = TextField()
+
+    def as_mysql(self, compiler, connection):
+        if connection.mysql_is_mariadb:
+            # MariaDB doesn't support -> and ->> operators (see MDEV-13594).
+            sql, params = super().as_mysql(compiler, connection)
+            return "JSON_UNQUOTE(%s)" % sql, params
+        else:
+            lhs, params, key_transforms = self.preprocess_lhs(compiler, connection)
+            json_path = compile_json_path(key_transforms)
+            return "(%s ->> %%s)" % lhs, tuple(params) + (json_path,)
+
+    @classmethod
+    def from_lookup(cls, lookup):
+        transform, *keys = lookup.split(LOOKUP_SEP)
+        if not keys:
+            raise ValueError("Lookup must contain key or index transforms.")
+        for key in keys:
+            transform = cls(key, transform)
+        return transform
+
+
+KT = KeyTextTransform.from_lookup
+
+
+class KeyTransformTextLookupMixin:
+    """
+    Mixin for combining with a lookup expecting a text lhs from a JSONField
+    key lookup. On PostgreSQL, make use of the ->> operator instead of casting
+    key values to text and performing the lookup on the resulting
+    representation.
+    """
+
+    def __init__(self, key_transform, *args, **kwargs):
+        if not isinstance(key_transform, KeyTransform):
+            raise TypeError(
+                "Transform should be an instance of KeyTransform in order to "
+                "use this lookup."
+            )
+        key_text_transform = KeyTextTransform(
+            key_transform.key_name,
+            *key_transform.source_expressions,
+            **key_transform.extra,
+        )
+        super().__init__(key_text_transform, *args, **kwargs)
+
+
+class KeyTransformIsNull(lookups.IsNull):
+    # key__isnull=False is the same as has_key='key'
+    def as_oracle(self, compiler, connection):
+        sql, params = HasKeyOrArrayIndex(
+            self.lhs.lhs,
+            self.lhs.key_name,
+        ).as_oracle(compiler, connection)
+        if not self.rhs:
+            return sql, params
+        # Column doesn't have a key or IS NULL.
+        lhs, lhs_params, _ = self.lhs.preprocess_lhs(compiler, connection)
+        return "(NOT %s OR %s IS NULL)" % (sql, lhs), tuple(params) + tuple(lhs_params)
+
+    def as_sqlite(self, compiler, connection):
+        template = "JSON_TYPE(%s, %%s) IS NULL"
+        if not self.rhs:
+            template = "JSON_TYPE(%s, %%s) IS NOT NULL"
+        return HasKeyOrArrayIndex(self.lhs.lhs, self.lhs.key_name).as_sql(
+            compiler,
+            connection,
+            template=template,
+        )
+
+
+class KeyTransformIn(lookups.In):
+    def resolve_expression_parameter(self, compiler, connection, sql, param):
+        sql, params = super().resolve_expression_parameter(
+            compiler,
+            connection,
+            sql,
+            param,
+        )
+        if (
+            not hasattr(param, "as_sql")
+            and not connection.features.has_native_json_field
+        ):
+            if connection.vendor == "oracle":
+                value = json.loads(param)
+                sql = "%s(JSON_OBJECT('value' VALUE %%s FORMAT JSON), '$.value')"
+                if isinstance(value, (list, dict)):
+                    sql %= "JSON_QUERY"
+                else:
+                    sql %= "JSON_VALUE"
+            elif connection.vendor == "mysql" or (
+                connection.vendor == "sqlite"
+                and params[0] not in connection.ops.jsonfield_datatype_values
+            ):
+                sql = "JSON_EXTRACT(%s, '$')"
+        if connection.vendor == "mysql" and connection.mysql_is_mariadb:
+            sql = "JSON_UNQUOTE(%s)" % sql
+        return sql, params
+
+
+class KeyTransformExact(JSONExact):
+    def process_rhs(self, compiler, connection):
+        if isinstance(self.rhs, KeyTransform):
+            return super(lookups.Exact, self).process_rhs(compiler, connection)
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        if connection.vendor == "oracle":
+            func = []
+            sql = "%s(JSON_OBJECT('value' VALUE %%s FORMAT JSON), '$.value')"
+            for value in rhs_params:
+                value = json.loads(value)
+                if isinstance(value, (list, dict)):
+                    func.append(sql % "JSON_QUERY")
+                else:
+                    func.append(sql % "JSON_VALUE")
+            rhs %= tuple(func)
+        elif connection.vendor == "sqlite":
+            func = []
+            for value in rhs_params:
+                if value in connection.ops.jsonfield_datatype_values:
+                    func.append("%s")
+                else:
+                    func.append("JSON_EXTRACT(%s, '$')")
+            rhs %= tuple(func)
+        return rhs, rhs_params
+
+    def as_oracle(self, compiler, connection):
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        if rhs_params == ["null"]:
+            # Field has key and it's NULL.
+            has_key_expr = HasKeyOrArrayIndex(self.lhs.lhs, self.lhs.key_name)
+            has_key_sql, has_key_params = has_key_expr.as_oracle(compiler, connection)
+            is_null_expr = self.lhs.get_lookup("isnull")(self.lhs, True)
+            is_null_sql, is_null_params = is_null_expr.as_sql(compiler, connection)
+            return (
+                "%s AND %s" % (has_key_sql, is_null_sql),
+                tuple(has_key_params) + tuple(is_null_params),
+            )
+        return super().as_sql(compiler, connection)
+
+
+class KeyTransformIExact(
+    CaseInsensitiveMixin, KeyTransformTextLookupMixin, lookups.IExact
+):
+    pass
+
+
+class KeyTransformIContains(
+    CaseInsensitiveMixin, KeyTransformTextLookupMixin, lookups.IContains
+):
+    pass
+
+
+class KeyTransformStartsWith(KeyTransformTextLookupMixin, lookups.StartsWith):
+    pass
+
+
+class KeyTransformIStartsWith(
+    CaseInsensitiveMixin, KeyTransformTextLookupMixin, lookups.IStartsWith
+):
+    pass
+
+
+class KeyTransformEndsWith(KeyTransformTextLookupMixin, lookups.EndsWith):
+    pass
+
+
+class KeyTransformIEndsWith(
+    CaseInsensitiveMixin, KeyTransformTextLookupMixin, lookups.IEndsWith
+):
+    pass
+
+
+class KeyTransformRegex(KeyTransformTextLookupMixin, lookups.Regex):
+    pass
+
+
+class KeyTransformIRegex(
+    CaseInsensitiveMixin, KeyTransformTextLookupMixin, lookups.IRegex
+):
+    pass
+
+
+class KeyTransformNumericLookupMixin:
+    def process_rhs(self, compiler, connection):
+        rhs, rhs_params = super().process_rhs(compiler, connection)
+        if not connection.features.has_native_json_field:
+            rhs_params = [json.loads(value) for value in rhs_params]
+        return rhs, rhs_params
+
+
+class KeyTransformLt(KeyTransformNumericLookupMixin, lookups.LessThan):
+    pass
+
+
+class KeyTransformLte(KeyTransformNumericLookupMixin, lookups.LessThanOrEqual):
+    pass
+
+
+class KeyTransformGt(KeyTransformNumericLookupMixin, lookups.GreaterThan):
+    pass
+
+
+class KeyTransformGte(KeyTransformNumericLookupMixin, lookups.GreaterThanOrEqual):
+    pass
+
+
+KeyTransform.register_lookup(KeyTransformIn)
+KeyTransform.register_lookup(KeyTransformExact)
+KeyTransform.register_lookup(KeyTransformIExact)
+KeyTransform.register_lookup(KeyTransformIsNull)
+KeyTransform.register_lookup(KeyTransformIContains)
+KeyTransform.register_lookup(KeyTransformStartsWith)
+KeyTransform.register_lookup(KeyTransformIStartsWith)
+KeyTransform.register_lookup(KeyTransformEndsWith)
+KeyTransform.register_lookup(KeyTransformIEndsWith)
+KeyTransform.register_lookup(KeyTransformRegex)
+KeyTransform.register_lookup(KeyTransformIRegex)
+
+KeyTransform.register_lookup(KeyTransformLt)
+KeyTransform.register_lookup(KeyTransformLte)
+KeyTransform.register_lookup(KeyTransformGt)
+KeyTransform.register_lookup(KeyTransformGte)
+
+
+class KeyTransformFactory:
+    def __init__(self, key_name):
+        self.key_name = key_name
+
+    def __call__(self, *args, **kwargs):
+        return KeyTransform(self.key_name, *args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/mixins.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/mixins.py
new file mode 100644
index 00000000..e7f28221
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/mixins.py
@@ -0,0 +1,59 @@
+from django.core import checks
+
+NOT_PROVIDED = object()
+
+
+class FieldCacheMixin:
+    """Provide an API for working with the model's fields value cache."""
+
+    def get_cache_name(self):
+        raise NotImplementedError
+
+    def get_cached_value(self, instance, default=NOT_PROVIDED):
+        cache_name = self.get_cache_name()
+        try:
+            return instance._state.fields_cache[cache_name]
+        except KeyError:
+            if default is NOT_PROVIDED:
+                raise
+            return default
+
+    def is_cached(self, instance):
+        return self.get_cache_name() in instance._state.fields_cache
+
+    def set_cached_value(self, instance, value):
+        instance._state.fields_cache[self.get_cache_name()] = value
+
+    def delete_cached_value(self, instance):
+        del instance._state.fields_cache[self.get_cache_name()]
+
+
+class CheckFieldDefaultMixin:
+    _default_hint = ("<valid default>", "<invalid default>")
+
+    def _check_default(self):
+        if (
+            self.has_default()
+            and self.default is not None
+            and not callable(self.default)
+        ):
+            return [
+                checks.Warning(
+                    "%s default should be a callable instead of an instance "
+                    "so that it's not shared between all field instances."
+                    % (self.__class__.__name__,),
+                    hint=(
+                        "Use a callable instead, e.g., use `%s` instead of "
+                        "`%s`." % self._default_hint
+                    ),
+                    obj=self,
+                    id="fields.E010",
+                )
+            ]
+        else:
+            return []
+
+    def check(self, **kwargs):
+        errors = super().check(**kwargs)
+        errors.extend(self._check_default())
+        return errors
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/proxy.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/proxy.py
new file mode 100644
index 00000000..ac02e47a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/proxy.py
@@ -0,0 +1,18 @@
+"""
+Field-like classes that aren't really fields. It's easier to use objects that
+have the same attributes as fields sometimes (avoids a lot of special casing).
+"""
+
+from django.db.models import fields
+
+
+class OrderWrt(fields.IntegerField):
+    """
+    A proxy for the _order database field that is used when
+    Meta.order_with_respect_to is specified.
+    """
+
+    def __init__(self, *args, **kwargs):
+        kwargs["name"] = "_order"
+        kwargs["editable"] = False
+        super().__init__(*args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related.py
new file mode 100644
index 00000000..2c0527d2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related.py
@@ -0,0 +1,2005 @@
+import functools
+import inspect
+import warnings
+from functools import partial
+
+from django import forms
+from django.apps import apps
+from django.conf import SettingsReference, settings
+from django.core import checks, exceptions
+from django.db import connection, router
+from django.db.backends import utils
+from django.db.models import Q
+from django.db.models.constants import LOOKUP_SEP
+from django.db.models.deletion import CASCADE, SET_DEFAULT, SET_NULL
+from django.db.models.query_utils import PathInfo
+from django.db.models.utils import make_model_tuple
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import cached_property
+from django.utils.translation import gettext_lazy as _
+
+from . import Field
+from .mixins import FieldCacheMixin
+from .related_descriptors import (
+    ForeignKeyDeferredAttribute,
+    ForwardManyToOneDescriptor,
+    ForwardOneToOneDescriptor,
+    ManyToManyDescriptor,
+    ReverseManyToOneDescriptor,
+    ReverseOneToOneDescriptor,
+)
+from .related_lookups import (
+    RelatedExact,
+    RelatedGreaterThan,
+    RelatedGreaterThanOrEqual,
+    RelatedIn,
+    RelatedIsNull,
+    RelatedLessThan,
+    RelatedLessThanOrEqual,
+)
+from .reverse_related import ForeignObjectRel, ManyToManyRel, ManyToOneRel, OneToOneRel
+
+RECURSIVE_RELATIONSHIP_CONSTANT = "self"
+
+
+def resolve_relation(scope_model, relation):
+    """
+    Transform relation into a model or fully-qualified model string of the form
+    "app_label.ModelName", relative to scope_model.
+
+    The relation argument can be:
+      * RECURSIVE_RELATIONSHIP_CONSTANT, i.e. the string "self", in which case
+        the model argument will be returned.
+      * A bare model name without an app_label, in which case scope_model's
+        app_label will be prepended.
+      * An "app_label.ModelName" string.
+      * A model class, which will be returned unchanged.
+    """
+    # Check for recursive relations
+    if relation == RECURSIVE_RELATIONSHIP_CONSTANT:
+        relation = scope_model
+
+    # Look for an "app.Model" relation
+    if isinstance(relation, str):
+        if "." not in relation:
+            relation = "%s.%s" % (scope_model._meta.app_label, relation)
+
+    return relation
+
+
+def lazy_related_operation(function, model, *related_models, **kwargs):
+    """
+    Schedule `function` to be called once `model` and all `related_models`
+    have been imported and registered with the app registry. `function` will
+    be called with the newly-loaded model classes as its positional arguments,
+    plus any optional keyword arguments.
+
+    The `model` argument must be a model class. Each subsequent positional
+    argument is another model, or a reference to another model - see
+    `resolve_relation()` for the various forms these may take. Any relative
+    references will be resolved relative to `model`.
+
+    This is a convenience wrapper for `Apps.lazy_model_operation` - the app
+    registry model used is the one found in `model._meta.apps`.
+    """
+    models = [model] + [resolve_relation(model, rel) for rel in related_models]
+    model_keys = (make_model_tuple(m) for m in models)
+    apps = model._meta.apps
+    return apps.lazy_model_operation(partial(function, **kwargs), *model_keys)
+
+
+class RelatedField(FieldCacheMixin, Field):
+    """Base class that all relational fields inherit from."""
+
+    # Field flags
+    one_to_many = False
+    one_to_one = False
+    many_to_many = False
+    many_to_one = False
+
+    def __init__(
+        self,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        **kwargs,
+    ):
+        self._related_name = related_name
+        self._related_query_name = related_query_name
+        self._limit_choices_to = limit_choices_to
+        super().__init__(**kwargs)
+
+    @cached_property
+    def related_model(self):
+        # Can't cache this property until all the models are loaded.
+        apps.check_models_ready()
+        return self.remote_field.model
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_related_name_is_valid(),
+            *self._check_related_query_name_is_valid(),
+            *self._check_relation_model_exists(),
+            *self._check_referencing_to_swapped_model(),
+            *self._check_clashes(),
+        ]
+
+    def _check_related_name_is_valid(self):
+        import keyword
+
+        related_name = self.remote_field.related_name
+        if related_name is None:
+            return []
+        is_valid_id = (
+            not keyword.iskeyword(related_name) and related_name.isidentifier()
+        )
+        if not (is_valid_id or related_name.endswith("+")):
+            return [
+                checks.Error(
+                    "The name '%s' is invalid related_name for field %s.%s"
+                    % (
+                        self.remote_field.related_name,
+                        self.model._meta.object_name,
+                        self.name,
+                    ),
+                    hint=(
+                        "Related name must be a valid Python identifier or end with a "
+                        "'+'"
+                    ),
+                    obj=self,
+                    id="fields.E306",
+                )
+            ]
+        return []
+
+    def _check_related_query_name_is_valid(self):
+        if self.remote_field.is_hidden():
+            return []
+        rel_query_name = self.related_query_name()
+        errors = []
+        if rel_query_name.endswith("_"):
+            errors.append(
+                checks.Error(
+                    "Reverse query name '%s' must not end with an underscore."
+                    % rel_query_name,
+                    hint=(
+                        "Add or change a related_name or related_query_name "
+                        "argument for this field."
+                    ),
+                    obj=self,
+                    id="fields.E308",
+                )
+            )
+        if LOOKUP_SEP in rel_query_name:
+            errors.append(
+                checks.Error(
+                    "Reverse query name '%s' must not contain '%s'."
+                    % (rel_query_name, LOOKUP_SEP),
+                    hint=(
+                        "Add or change a related_name or related_query_name "
+                        "argument for this field."
+                    ),
+                    obj=self,
+                    id="fields.E309",
+                )
+            )
+        return errors
+
+    def _check_relation_model_exists(self):
+        rel_is_missing = self.remote_field.model not in self.opts.apps.get_models()
+        rel_is_string = isinstance(self.remote_field.model, str)
+        model_name = (
+            self.remote_field.model
+            if rel_is_string
+            else self.remote_field.model._meta.object_name
+        )
+        if rel_is_missing and (
+            rel_is_string or not self.remote_field.model._meta.swapped
+        ):
+            return [
+                checks.Error(
+                    "Field defines a relation with model '%s', which is either "
+                    "not installed, or is abstract." % model_name,
+                    obj=self,
+                    id="fields.E300",
+                )
+            ]
+        return []
+
+    def _check_referencing_to_swapped_model(self):
+        if (
+            self.remote_field.model not in self.opts.apps.get_models()
+            and not isinstance(self.remote_field.model, str)
+            and self.remote_field.model._meta.swapped
+        ):
+            return [
+                checks.Error(
+                    "Field defines a relation with the model '%s', which has "
+                    "been swapped out." % self.remote_field.model._meta.label,
+                    hint="Update the relation to point at 'settings.%s'."
+                    % self.remote_field.model._meta.swappable,
+                    obj=self,
+                    id="fields.E301",
+                )
+            ]
+        return []
+
+    def _check_clashes(self):
+        """Check accessor and reverse query name clashes."""
+        from django.db.models.base import ModelBase
+
+        errors = []
+        opts = self.model._meta
+
+        # f.remote_field.model may be a string instead of a model. Skip if
+        # model name is not resolved.
+        if not isinstance(self.remote_field.model, ModelBase):
+            return []
+
+        # Consider that we are checking field `Model.foreign` and the models
+        # are:
+        #
+        #     class Target(models.Model):
+        #         model = models.IntegerField()
+        #         model_set = models.IntegerField()
+        #
+        #     class Model(models.Model):
+        #         foreign = models.ForeignKey(Target)
+        #         m2m = models.ManyToManyField(Target)
+
+        # rel_opts.object_name == "Target"
+        rel_opts = self.remote_field.model._meta
+        # If the field doesn't install a backward relation on the target model
+        # (so `is_hidden` returns True), then there are no clashes to check
+        # and we can skip these fields.
+        rel_is_hidden = self.remote_field.is_hidden()
+        rel_name = self.remote_field.get_accessor_name()  # i. e. "model_set"
+        rel_query_name = self.related_query_name()  # i. e. "model"
+        # i.e. "app_label.Model.field".
+        field_name = "%s.%s" % (opts.label, self.name)
+
+        # Check clashes between accessor or reverse query name of `field`
+        # and any other field name -- i.e. accessor for Model.foreign is
+        # model_set and it clashes with Target.model_set.
+        potential_clashes = rel_opts.fields + rel_opts.many_to_many
+        for clash_field in potential_clashes:
+            # i.e. "app_label.Target.model_set".
+            clash_name = "%s.%s" % (rel_opts.label, clash_field.name)
+            if not rel_is_hidden and clash_field.name == rel_name:
+                errors.append(
+                    checks.Error(
+                        f"Reverse accessor '{rel_opts.object_name}.{rel_name}' "
+                        f"for '{field_name}' clashes with field name "
+                        f"'{clash_name}'.",
+                        hint=(
+                            "Rename field '%s', or add/change a related_name "
+                            "argument to the definition for field '%s'."
+                        )
+                        % (clash_name, field_name),
+                        obj=self,
+                        id="fields.E302",
+                    )
+                )
+
+            if clash_field.name == rel_query_name:
+                errors.append(
+                    checks.Error(
+                        "Reverse query name for '%s' clashes with field name '%s'."
+                        % (field_name, clash_name),
+                        hint=(
+                            "Rename field '%s', or add/change a related_name "
+                            "argument to the definition for field '%s'."
+                        )
+                        % (clash_name, field_name),
+                        obj=self,
+                        id="fields.E303",
+                    )
+                )
+
+        # Check clashes between accessors/reverse query names of `field` and
+        # any other field accessor -- i. e. Model.foreign accessor clashes with
+        # Model.m2m accessor.
+        potential_clashes = (r for r in rel_opts.related_objects if r.field is not self)
+        for clash_field in potential_clashes:
+            # i.e. "app_label.Model.m2m".
+            clash_name = "%s.%s" % (
+                clash_field.related_model._meta.label,
+                clash_field.field.name,
+            )
+            if not rel_is_hidden and clash_field.get_accessor_name() == rel_name:
+                errors.append(
+                    checks.Error(
+                        f"Reverse accessor '{rel_opts.object_name}.{rel_name}' "
+                        f"for '{field_name}' clashes with reverse accessor for "
+                        f"'{clash_name}'.",
+                        hint=(
+                            "Add or change a related_name argument "
+                            "to the definition for '%s' or '%s'."
+                        )
+                        % (field_name, clash_name),
+                        obj=self,
+                        id="fields.E304",
+                    )
+                )
+
+            if clash_field.get_accessor_name() == rel_query_name:
+                errors.append(
+                    checks.Error(
+                        "Reverse query name for '%s' clashes with reverse query name "
+                        "for '%s'." % (field_name, clash_name),
+                        hint=(
+                            "Add or change a related_name argument "
+                            "to the definition for '%s' or '%s'."
+                        )
+                        % (field_name, clash_name),
+                        obj=self,
+                        id="fields.E305",
+                    )
+                )
+
+        return errors
+
+    def db_type(self, connection):
+        # By default related field will not have a column as it relates to
+        # columns from another table.
+        return None
+
+    def contribute_to_class(self, cls, name, private_only=False, **kwargs):
+        super().contribute_to_class(cls, name, private_only=private_only, **kwargs)
+
+        self.opts = cls._meta
+
+        if not cls._meta.abstract:
+            if self.remote_field.related_name:
+                related_name = self.remote_field.related_name
+            else:
+                related_name = self.opts.default_related_name
+            if related_name:
+                related_name %= {
+                    "class": cls.__name__.lower(),
+                    "model_name": cls._meta.model_name.lower(),
+                    "app_label": cls._meta.app_label.lower(),
+                }
+                self.remote_field.related_name = related_name
+
+            if self.remote_field.related_query_name:
+                related_query_name = self.remote_field.related_query_name % {
+                    "class": cls.__name__.lower(),
+                    "app_label": cls._meta.app_label.lower(),
+                }
+                self.remote_field.related_query_name = related_query_name
+
+            def resolve_related_class(model, related, field):
+                field.remote_field.model = related
+                field.do_related_class(related, model)
+
+            lazy_related_operation(
+                resolve_related_class, cls, self.remote_field.model, field=self
+            )
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if self._limit_choices_to:
+            kwargs["limit_choices_to"] = self._limit_choices_to
+        if self._related_name is not None:
+            kwargs["related_name"] = self._related_name
+        if self._related_query_name is not None:
+            kwargs["related_query_name"] = self._related_query_name
+        return name, path, args, kwargs
+
+    def get_forward_related_filter(self, obj):
+        """
+        Return the keyword arguments that when supplied to
+        self.model.object.filter(), would select all instances related through
+        this field to the remote obj. This is used to build the querysets
+        returned by related descriptors. obj is an instance of
+        self.related_field.model.
+        """
+        return {
+            "%s__%s" % (self.name, rh_field.name): getattr(obj, rh_field.attname)
+            for _, rh_field in self.related_fields
+        }
+
+    def get_reverse_related_filter(self, obj):
+        """
+        Complement to get_forward_related_filter(). Return the keyword
+        arguments that when passed to self.related_field.model.object.filter()
+        select all instances of self.related_field.model related through
+        this field to obj. obj is an instance of self.model.
+        """
+        base_q = Q.create(
+            [
+                (rh_field.attname, getattr(obj, lh_field.attname))
+                for lh_field, rh_field in self.related_fields
+            ]
+        )
+        descriptor_filter = self.get_extra_descriptor_filter(obj)
+        if isinstance(descriptor_filter, dict):
+            return base_q & Q(**descriptor_filter)
+        elif descriptor_filter:
+            return base_q & descriptor_filter
+        return base_q
+
+    @property
+    def swappable_setting(self):
+        """
+        Get the setting that this is powered from for swapping, or None
+        if it's not swapped in / marked with swappable=False.
+        """
+        if self.swappable:
+            # Work out string form of "to"
+            if isinstance(self.remote_field.model, str):
+                to_string = self.remote_field.model
+            else:
+                to_string = self.remote_field.model._meta.label
+            return apps.get_swappable_settings_name(to_string)
+        return None
+
+    def set_attributes_from_rel(self):
+        self.name = self.name or (
+            self.remote_field.model._meta.model_name
+            + "_"
+            + self.remote_field.model._meta.pk.name
+        )
+        if self.verbose_name is None:
+            self.verbose_name = self.remote_field.model._meta.verbose_name
+        self.remote_field.set_field_name()
+
+    def do_related_class(self, other, cls):
+        self.set_attributes_from_rel()
+        self.contribute_to_related_class(other, self.remote_field)
+
+    def get_limit_choices_to(self):
+        """
+        Return ``limit_choices_to`` for this model field.
+
+        If it is a callable, it will be invoked and the result will be
+        returned.
+        """
+        if callable(self.remote_field.limit_choices_to):
+            return self.remote_field.limit_choices_to()
+        return self.remote_field.limit_choices_to
+
+    def formfield(self, **kwargs):
+        """
+        Pass ``limit_choices_to`` to the field being constructed.
+
+        Only passes it if there is a type that supports related fields.
+        This is a similar strategy used to pass the ``queryset`` to the field
+        being constructed.
+        """
+        defaults = {}
+        if hasattr(self.remote_field, "get_related_field"):
+            # If this is a callable, do not invoke it here. Just pass
+            # it in the defaults for when the form class will later be
+            # instantiated.
+            limit_choices_to = self.remote_field.limit_choices_to
+            defaults.update(
+                {
+                    "limit_choices_to": limit_choices_to,
+                }
+            )
+        defaults.update(kwargs)
+        return super().formfield(**defaults)
+
+    def related_query_name(self):
+        """
+        Define the name that can be used to identify this related object in a
+        table-spanning query.
+        """
+        return (
+            self.remote_field.related_query_name
+            or self.remote_field.related_name
+            or self.opts.model_name
+        )
+
+    @property
+    def target_field(self):
+        """
+        When filtering against this relation, return the field on the remote
+        model against which the filtering should happen.
+        """
+        target_fields = self.path_infos[-1].target_fields
+        if len(target_fields) > 1:
+            raise exceptions.FieldError(
+                "The relation has multiple target fields, but only single target field "
+                "was asked for"
+            )
+        return target_fields[0]
+
+    def get_cache_name(self):
+        return self.name
+
+
+class ForeignObject(RelatedField):
+    """
+    Abstraction of the ForeignKey relation to support multi-column relations.
+    """
+
+    # Field flags
+    many_to_many = False
+    many_to_one = True
+    one_to_many = False
+    one_to_one = False
+
+    requires_unique_target = True
+    related_accessor_class = ReverseManyToOneDescriptor
+    forward_related_accessor_class = ForwardManyToOneDescriptor
+    rel_class = ForeignObjectRel
+
+    def __init__(
+        self,
+        to,
+        on_delete,
+        from_fields,
+        to_fields,
+        rel=None,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        parent_link=False,
+        swappable=True,
+        **kwargs,
+    ):
+        if rel is None:
+            rel = self.rel_class(
+                self,
+                to,
+                related_name=related_name,
+                related_query_name=related_query_name,
+                limit_choices_to=limit_choices_to,
+                parent_link=parent_link,
+                on_delete=on_delete,
+            )
+
+        super().__init__(
+            rel=rel,
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            **kwargs,
+        )
+
+        self.from_fields = from_fields
+        self.to_fields = to_fields
+        self.swappable = swappable
+
+    def __copy__(self):
+        obj = super().__copy__()
+        # Remove any cached PathInfo values.
+        obj.__dict__.pop("path_infos", None)
+        obj.__dict__.pop("reverse_path_infos", None)
+        return obj
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_to_fields_exist(),
+            *self._check_unique_target(),
+        ]
+
+    def _check_to_fields_exist(self):
+        # Skip nonexistent models.
+        if isinstance(self.remote_field.model, str):
+            return []
+
+        errors = []
+        for to_field in self.to_fields:
+            if to_field:
+                try:
+                    self.remote_field.model._meta.get_field(to_field)
+                except exceptions.FieldDoesNotExist:
+                    errors.append(
+                        checks.Error(
+                            "The to_field '%s' doesn't exist on the related "
+                            "model '%s'."
+                            % (to_field, self.remote_field.model._meta.label),
+                            obj=self,
+                            id="fields.E312",
+                        )
+                    )
+        return errors
+
+    def _check_unique_target(self):
+        rel_is_string = isinstance(self.remote_field.model, str)
+        if rel_is_string or not self.requires_unique_target:
+            return []
+
+        try:
+            self.foreign_related_fields
+        except exceptions.FieldDoesNotExist:
+            return []
+
+        if not self.foreign_related_fields:
+            return []
+
+        unique_foreign_fields = {
+            frozenset([f.name])
+            for f in self.remote_field.model._meta.get_fields()
+            if getattr(f, "unique", False)
+        }
+        unique_foreign_fields.update(
+            {frozenset(ut) for ut in self.remote_field.model._meta.unique_together}
+        )
+        unique_foreign_fields.update(
+            {
+                frozenset(uc.fields)
+                for uc in self.remote_field.model._meta.total_unique_constraints
+            }
+        )
+        foreign_fields = {f.name for f in self.foreign_related_fields}
+        has_unique_constraint = any(u <= foreign_fields for u in unique_foreign_fields)
+
+        if not has_unique_constraint and len(self.foreign_related_fields) > 1:
+            field_combination = ", ".join(
+                "'%s'" % rel_field.name for rel_field in self.foreign_related_fields
+            )
+            model_name = self.remote_field.model.__name__
+            return [
+                checks.Error(
+                    "No subset of the fields %s on model '%s' is unique."
+                    % (field_combination, model_name),
+                    hint=(
+                        "Mark a single field as unique=True or add a set of "
+                        "fields to a unique constraint (via unique_together "
+                        "or a UniqueConstraint (without condition) in the "
+                        "model Meta.constraints)."
+                    ),
+                    obj=self,
+                    id="fields.E310",
+                )
+            ]
+        elif not has_unique_constraint:
+            field_name = self.foreign_related_fields[0].name
+            model_name = self.remote_field.model.__name__
+            return [
+                checks.Error(
+                    "'%s.%s' must be unique because it is referenced by "
+                    "a foreign key." % (model_name, field_name),
+                    hint=(
+                        "Add unique=True to this field or add a "
+                        "UniqueConstraint (without condition) in the model "
+                        "Meta.constraints."
+                    ),
+                    obj=self,
+                    id="fields.E311",
+                )
+            ]
+        else:
+            return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        kwargs["on_delete"] = self.remote_field.on_delete
+        kwargs["from_fields"] = self.from_fields
+        kwargs["to_fields"] = self.to_fields
+
+        if self.remote_field.parent_link:
+            kwargs["parent_link"] = self.remote_field.parent_link
+        if isinstance(self.remote_field.model, str):
+            if "." in self.remote_field.model:
+                app_label, model_name = self.remote_field.model.split(".")
+                kwargs["to"] = "%s.%s" % (app_label, model_name.lower())
+            else:
+                kwargs["to"] = self.remote_field.model.lower()
+        else:
+            kwargs["to"] = self.remote_field.model._meta.label_lower
+        # If swappable is True, then see if we're actually pointing to the target
+        # of a swap.
+        swappable_setting = self.swappable_setting
+        if swappable_setting is not None:
+            # If it's already a settings reference, error
+            if hasattr(kwargs["to"], "setting_name"):
+                if kwargs["to"].setting_name != swappable_setting:
+                    raise ValueError(
+                        "Cannot deconstruct a ForeignKey pointing to a model "
+                        "that is swapped in place of more than one model (%s and %s)"
+                        % (kwargs["to"].setting_name, swappable_setting)
+                    )
+            # Set it
+            kwargs["to"] = SettingsReference(
+                kwargs["to"],
+                swappable_setting,
+            )
+        return name, path, args, kwargs
+
+    def resolve_related_fields(self):
+        if not self.from_fields or len(self.from_fields) != len(self.to_fields):
+            raise ValueError(
+                "Foreign Object from and to fields must be the same non-zero length"
+            )
+        if isinstance(self.remote_field.model, str):
+            raise ValueError(
+                "Related model %r cannot be resolved" % self.remote_field.model
+            )
+        related_fields = []
+        for index in range(len(self.from_fields)):
+            from_field_name = self.from_fields[index]
+            to_field_name = self.to_fields[index]
+            from_field = (
+                self
+                if from_field_name == RECURSIVE_RELATIONSHIP_CONSTANT
+                else self.opts.get_field(from_field_name)
+            )
+            to_field = (
+                self.remote_field.model._meta.pk
+                if to_field_name is None
+                else self.remote_field.model._meta.get_field(to_field_name)
+            )
+            related_fields.append((from_field, to_field))
+        return related_fields
+
+    @cached_property
+    def related_fields(self):
+        return self.resolve_related_fields()
+
+    @cached_property
+    def reverse_related_fields(self):
+        return [(rhs_field, lhs_field) for lhs_field, rhs_field in self.related_fields]
+
+    @cached_property
+    def local_related_fields(self):
+        return tuple(lhs_field for lhs_field, rhs_field in self.related_fields)
+
+    @cached_property
+    def foreign_related_fields(self):
+        return tuple(
+            rhs_field for lhs_field, rhs_field in self.related_fields if rhs_field
+        )
+
+    def get_local_related_value(self, instance):
+        return self.get_instance_value_for_fields(instance, self.local_related_fields)
+
+    def get_foreign_related_value(self, instance):
+        return self.get_instance_value_for_fields(instance, self.foreign_related_fields)
+
+    @staticmethod
+    def get_instance_value_for_fields(instance, fields):
+        ret = []
+        opts = instance._meta
+        for field in fields:
+            # Gotcha: in some cases (like fixture loading) a model can have
+            # different values in parent_ptr_id and parent's id. So, use
+            # instance.pk (that is, parent_ptr_id) when asked for instance.id.
+            if field.primary_key:
+                possible_parent_link = opts.get_ancestor_link(field.model)
+                if (
+                    not possible_parent_link
+                    or possible_parent_link.primary_key
+                    or possible_parent_link.model._meta.abstract
+                ):
+                    ret.append(instance.pk)
+                    continue
+            ret.append(getattr(instance, field.attname))
+        return tuple(ret)
+
+    def get_attname_column(self):
+        attname, column = super().get_attname_column()
+        return attname, None
+
+    def get_joining_columns(self, reverse_join=False):
+        warnings.warn(
+            "ForeignObject.get_joining_columns() is deprecated. Use "
+            "get_joining_fields() instead.",
+            RemovedInDjango60Warning,
+        )
+        source = self.reverse_related_fields if reverse_join else self.related_fields
+        return tuple(
+            (lhs_field.column, rhs_field.column) for lhs_field, rhs_field in source
+        )
+
+    def get_reverse_joining_columns(self):
+        warnings.warn(
+            "ForeignObject.get_reverse_joining_columns() is deprecated. Use "
+            "get_reverse_joining_fields() instead.",
+            RemovedInDjango60Warning,
+        )
+        return self.get_joining_columns(reverse_join=True)
+
+    def get_joining_fields(self, reverse_join=False):
+        return tuple(
+            self.reverse_related_fields if reverse_join else self.related_fields
+        )
+
+    def get_reverse_joining_fields(self):
+        return self.get_joining_fields(reverse_join=True)
+
+    def get_extra_descriptor_filter(self, instance):
+        """
+        Return an extra filter condition for related object fetching when
+        user does 'instance.fieldname', that is the extra filter is used in
+        the descriptor of the field.
+
+        The filter should be either a dict usable in .filter(**kwargs) call or
+        a Q-object. The condition will be ANDed together with the relation's
+        joining columns.
+
+        A parallel method is get_extra_restriction() which is used in
+        JOIN and subquery conditions.
+        """
+        return {}
+
+    def get_extra_restriction(self, alias, related_alias):
+        """
+        Return a pair condition used for joining and subquery pushdown. The
+        condition is something that responds to as_sql(compiler, connection)
+        method.
+
+        Note that currently referring both the 'alias' and 'related_alias'
+        will not work in some conditions, like subquery pushdown.
+
+        A parallel method is get_extra_descriptor_filter() which is used in
+        instance.fieldname related object fetching.
+        """
+        return None
+
+    def get_path_info(self, filtered_relation=None):
+        """Get path from this field to the related model."""
+        opts = self.remote_field.model._meta
+        from_opts = self.model._meta
+        return [
+            PathInfo(
+                from_opts=from_opts,
+                to_opts=opts,
+                target_fields=self.foreign_related_fields,
+                join_field=self,
+                m2m=False,
+                direct=True,
+                filtered_relation=filtered_relation,
+            )
+        ]
+
+    @cached_property
+    def path_infos(self):
+        return self.get_path_info()
+
+    def get_reverse_path_info(self, filtered_relation=None):
+        """Get path from the related model to this field's model."""
+        opts = self.model._meta
+        from_opts = self.remote_field.model._meta
+        return [
+            PathInfo(
+                from_opts=from_opts,
+                to_opts=opts,
+                target_fields=(opts.pk,),
+                join_field=self.remote_field,
+                m2m=not self.unique,
+                direct=False,
+                filtered_relation=filtered_relation,
+            )
+        ]
+
+    @cached_property
+    def reverse_path_infos(self):
+        return self.get_reverse_path_info()
+
+    @classmethod
+    @functools.cache
+    def get_class_lookups(cls):
+        bases = inspect.getmro(cls)
+        bases = bases[: bases.index(ForeignObject) + 1]
+        class_lookups = [parent.__dict__.get("class_lookups", {}) for parent in bases]
+        return cls.merge_dicts(class_lookups)
+
+    def contribute_to_class(self, cls, name, private_only=False, **kwargs):
+        super().contribute_to_class(cls, name, private_only=private_only, **kwargs)
+        setattr(cls, self.name, self.forward_related_accessor_class(self))
+
+    def contribute_to_related_class(self, cls, related):
+        # Internal FK's - i.e., those with a related name ending with '+' -
+        # and swapped models don't get a related descriptor.
+        if (
+            not self.remote_field.is_hidden()
+            and not related.related_model._meta.swapped
+        ):
+            setattr(
+                cls._meta.concrete_model,
+                related.get_accessor_name(),
+                self.related_accessor_class(related),
+            )
+            # While 'limit_choices_to' might be a callable, simply pass
+            # it along for later - this is too early because it's still
+            # model load time.
+            if self.remote_field.limit_choices_to:
+                cls._meta.related_fkey_lookups.append(
+                    self.remote_field.limit_choices_to
+                )
+
+
+ForeignObject.register_lookup(RelatedIn)
+ForeignObject.register_lookup(RelatedExact)
+ForeignObject.register_lookup(RelatedLessThan)
+ForeignObject.register_lookup(RelatedGreaterThan)
+ForeignObject.register_lookup(RelatedGreaterThanOrEqual)
+ForeignObject.register_lookup(RelatedLessThanOrEqual)
+ForeignObject.register_lookup(RelatedIsNull)
+
+
+class ForeignKey(ForeignObject):
+    """
+    Provide a many-to-one relation by adding a column to the local model
+    to hold the remote value.
+
+    By default ForeignKey will target the pk of the remote model but this
+    behavior can be changed by using the ``to_field`` argument.
+    """
+
+    descriptor_class = ForeignKeyDeferredAttribute
+    # Field flags
+    many_to_many = False
+    many_to_one = True
+    one_to_many = False
+    one_to_one = False
+
+    rel_class = ManyToOneRel
+
+    empty_strings_allowed = False
+    default_error_messages = {
+        "invalid": _("%(model)s instance with %(field)s %(value)r does not exist.")
+    }
+    description = _("Foreign Key (type determined by related field)")
+
+    def __init__(
+        self,
+        to,
+        on_delete,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        parent_link=False,
+        to_field=None,
+        db_constraint=True,
+        **kwargs,
+    ):
+        try:
+            to._meta.model_name
+        except AttributeError:
+            if not isinstance(to, str):
+                raise TypeError(
+                    "%s(%r) is invalid. First parameter to ForeignKey must be "
+                    "either a model, a model name, or the string %r"
+                    % (
+                        self.__class__.__name__,
+                        to,
+                        RECURSIVE_RELATIONSHIP_CONSTANT,
+                    )
+                )
+        else:
+            # For backwards compatibility purposes, we need to *try* and set
+            # the to_field during FK construction. It won't be guaranteed to
+            # be correct until contribute_to_class is called. Refs #12190.
+            to_field = to_field or (to._meta.pk and to._meta.pk.name)
+        if not callable(on_delete):
+            raise TypeError("on_delete must be callable.")
+
+        kwargs["rel"] = self.rel_class(
+            self,
+            to,
+            to_field,
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            parent_link=parent_link,
+            on_delete=on_delete,
+        )
+        kwargs.setdefault("db_index", True)
+
+        super().__init__(
+            to,
+            on_delete,
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            from_fields=[RECURSIVE_RELATIONSHIP_CONSTANT],
+            to_fields=[to_field],
+            **kwargs,
+        )
+        self.db_constraint = db_constraint
+
+    def __class_getitem__(cls, *args, **kwargs):
+        return cls
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_on_delete(),
+            *self._check_unique(),
+        ]
+
+    def _check_on_delete(self):
+        on_delete = getattr(self.remote_field, "on_delete", None)
+        if on_delete == SET_NULL and not self.null:
+            return [
+                checks.Error(
+                    "Field specifies on_delete=SET_NULL, but cannot be null.",
+                    hint=(
+                        "Set null=True argument on the field, or change the on_delete "
+                        "rule."
+                    ),
+                    obj=self,
+                    id="fields.E320",
+                )
+            ]
+        elif on_delete == SET_DEFAULT and not self.has_default():
+            return [
+                checks.Error(
+                    "Field specifies on_delete=SET_DEFAULT, but has no default value.",
+                    hint="Set a default value, or change the on_delete rule.",
+                    obj=self,
+                    id="fields.E321",
+                )
+            ]
+        else:
+            return []
+
+    def _check_unique(self, **kwargs):
+        return (
+            [
+                checks.Warning(
+                    "Setting unique=True on a ForeignKey has the same effect as using "
+                    "a OneToOneField.",
+                    hint=(
+                        "ForeignKey(unique=True) is usually better served by a "
+                        "OneToOneField."
+                    ),
+                    obj=self,
+                    id="fields.W342",
+                )
+            ]
+            if self.unique
+            else []
+        )
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        del kwargs["to_fields"]
+        del kwargs["from_fields"]
+        # Handle the simpler arguments
+        if self.db_index:
+            del kwargs["db_index"]
+        else:
+            kwargs["db_index"] = False
+        if self.db_constraint is not True:
+            kwargs["db_constraint"] = self.db_constraint
+        # Rel needs more work.
+        to_meta = getattr(self.remote_field.model, "_meta", None)
+        if self.remote_field.field_name and (
+            not to_meta
+            or (to_meta.pk and self.remote_field.field_name != to_meta.pk.name)
+        ):
+            kwargs["to_field"] = self.remote_field.field_name
+        return name, path, args, kwargs
+
+    def to_python(self, value):
+        return self.target_field.to_python(value)
+
+    @property
+    def target_field(self):
+        return self.foreign_related_fields[0]
+
+    def validate(self, value, model_instance):
+        if self.remote_field.parent_link:
+            return
+        super().validate(value, model_instance)
+        if value is None:
+            return
+
+        using = router.db_for_read(self.remote_field.model, instance=model_instance)
+        qs = self.remote_field.model._base_manager.using(using).filter(
+            **{self.remote_field.field_name: value}
+        )
+        qs = qs.complex_filter(self.get_limit_choices_to())
+        if not qs.exists():
+            raise exceptions.ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={
+                    "model": self.remote_field.model._meta.verbose_name,
+                    "pk": value,
+                    "field": self.remote_field.field_name,
+                    "value": value,
+                },  # 'pk' is included for backwards compatibility
+            )
+
+    def resolve_related_fields(self):
+        related_fields = super().resolve_related_fields()
+        for from_field, to_field in related_fields:
+            if (
+                to_field
+                and to_field.model != self.remote_field.model._meta.concrete_model
+            ):
+                raise exceptions.FieldError(
+                    "'%s.%s' refers to field '%s' which is not local to model "
+                    "'%s'."
+                    % (
+                        self.model._meta.label,
+                        self.name,
+                        to_field.name,
+                        self.remote_field.model._meta.concrete_model._meta.label,
+                    )
+                )
+        return related_fields
+
+    def get_attname(self):
+        return "%s_id" % self.name
+
+    def get_attname_column(self):
+        attname = self.get_attname()
+        column = self.db_column or attname
+        return attname, column
+
+    def get_default(self):
+        """Return the to_field if the default value is an object."""
+        field_default = super().get_default()
+        if isinstance(field_default, self.remote_field.model):
+            return getattr(field_default, self.target_field.attname)
+        return field_default
+
+    def get_db_prep_save(self, value, connection):
+        if value is None or (
+            value == ""
+            and (
+                not self.target_field.empty_strings_allowed
+                or connection.features.interprets_empty_strings_as_nulls
+            )
+        ):
+            return None
+        else:
+            return self.target_field.get_db_prep_save(value, connection=connection)
+
+    def get_db_prep_value(self, value, connection, prepared=False):
+        return self.target_field.get_db_prep_value(value, connection, prepared)
+
+    def get_prep_value(self, value):
+        return self.target_field.get_prep_value(value)
+
+    def contribute_to_related_class(self, cls, related):
+        super().contribute_to_related_class(cls, related)
+        if self.remote_field.field_name is None:
+            self.remote_field.field_name = cls._meta.pk.name
+
+    def formfield(self, *, using=None, **kwargs):
+        if isinstance(self.remote_field.model, str):
+            raise ValueError(
+                "Cannot create form field for %r yet, because "
+                "its related model %r has not been loaded yet"
+                % (self.name, self.remote_field.model)
+            )
+        return super().formfield(
+            **{
+                "form_class": forms.ModelChoiceField,
+                "queryset": self.remote_field.model._default_manager.using(using),
+                "to_field_name": self.remote_field.field_name,
+                **kwargs,
+                "blank": self.blank,
+            }
+        )
+
+    def db_check(self, connection):
+        return None
+
+    def db_type(self, connection):
+        return self.target_field.rel_db_type(connection=connection)
+
+    def cast_db_type(self, connection):
+        return self.target_field.cast_db_type(connection=connection)
+
+    def db_parameters(self, connection):
+        target_db_parameters = self.target_field.db_parameters(connection)
+        return {
+            "type": self.db_type(connection),
+            "check": self.db_check(connection),
+            "collation": target_db_parameters.get("collation"),
+        }
+
+    def convert_empty_strings(self, value, expression, connection):
+        if (not value) and isinstance(value, str):
+            return None
+        return value
+
+    def get_db_converters(self, connection):
+        converters = super().get_db_converters(connection)
+        if connection.features.interprets_empty_strings_as_nulls:
+            converters += [self.convert_empty_strings]
+        return converters
+
+    def get_col(self, alias, output_field=None):
+        if output_field is None:
+            output_field = self.target_field
+            while isinstance(output_field, ForeignKey):
+                output_field = output_field.target_field
+                if output_field is self:
+                    raise ValueError("Cannot resolve output_field.")
+        return super().get_col(alias, output_field)
+
+
+class OneToOneField(ForeignKey):
+    """
+    A OneToOneField is essentially the same as a ForeignKey, with the exception
+    that it always carries a "unique" constraint with it and the reverse
+    relation always returns the object pointed to (since there will only ever
+    be one), rather than returning a list.
+    """
+
+    # Field flags
+    many_to_many = False
+    many_to_one = False
+    one_to_many = False
+    one_to_one = True
+
+    related_accessor_class = ReverseOneToOneDescriptor
+    forward_related_accessor_class = ForwardOneToOneDescriptor
+    rel_class = OneToOneRel
+
+    description = _("One-to-one relationship")
+
+    def __init__(self, to, on_delete, to_field=None, **kwargs):
+        kwargs["unique"] = True
+        super().__init__(to, on_delete, to_field=to_field, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        if "unique" in kwargs:
+            del kwargs["unique"]
+        return name, path, args, kwargs
+
+    def formfield(self, **kwargs):
+        if self.remote_field.parent_link:
+            return None
+        return super().formfield(**kwargs)
+
+    def save_form_data(self, instance, data):
+        if isinstance(data, self.remote_field.model):
+            setattr(instance, self.name, data)
+        else:
+            setattr(instance, self.attname, data)
+            # Remote field object must be cleared otherwise Model.save()
+            # will reassign attname using the related object pk.
+            if data is None:
+                setattr(instance, self.name, data)
+
+    def _check_unique(self, **kwargs):
+        # Override ForeignKey since check isn't applicable here.
+        return []
+
+
+def create_many_to_many_intermediary_model(field, klass):
+    from django.db import models
+
+    def set_managed(model, related, through):
+        through._meta.managed = model._meta.managed or related._meta.managed
+
+    to_model = resolve_relation(klass, field.remote_field.model)
+    name = "%s_%s" % (klass._meta.object_name, field.name)
+    lazy_related_operation(set_managed, klass, to_model, name)
+
+    to = make_model_tuple(to_model)[1]
+    from_ = klass._meta.model_name
+    if to == from_:
+        to = "to_%s" % to
+        from_ = "from_%s" % from_
+
+    meta = type(
+        "Meta",
+        (),
+        {
+            "db_table": field._get_m2m_db_table(klass._meta),
+            "auto_created": klass,
+            "app_label": klass._meta.app_label,
+            "db_tablespace": klass._meta.db_tablespace,
+            "unique_together": (from_, to),
+            "verbose_name": _("%(from)s-%(to)s relationship")
+            % {"from": from_, "to": to},
+            "verbose_name_plural": _("%(from)s-%(to)s relationships")
+            % {"from": from_, "to": to},
+            "apps": field.model._meta.apps,
+        },
+    )
+    # Construct and return the new class.
+    return type(
+        name,
+        (models.Model,),
+        {
+            "Meta": meta,
+            "__module__": klass.__module__,
+            from_: models.ForeignKey(
+                klass,
+                related_name="%s+" % name,
+                db_tablespace=field.db_tablespace,
+                db_constraint=field.remote_field.db_constraint,
+                on_delete=CASCADE,
+            ),
+            to: models.ForeignKey(
+                to_model,
+                related_name="%s+" % name,
+                db_tablespace=field.db_tablespace,
+                db_constraint=field.remote_field.db_constraint,
+                on_delete=CASCADE,
+            ),
+        },
+    )
+
+
+class ManyToManyField(RelatedField):
+    """
+    Provide a many-to-many relation by using an intermediary model that
+    holds two ForeignKey fields pointed at the two sides of the relation.
+
+    Unless a ``through`` model was provided, ManyToManyField will use the
+    create_many_to_many_intermediary_model factory to automatically generate
+    the intermediary model.
+    """
+
+    # Field flags
+    many_to_many = True
+    many_to_one = False
+    one_to_many = False
+    one_to_one = False
+
+    rel_class = ManyToManyRel
+
+    description = _("Many-to-many relationship")
+
+    def __init__(
+        self,
+        to,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        symmetrical=None,
+        through=None,
+        through_fields=None,
+        db_constraint=True,
+        db_table=None,
+        swappable=True,
+        **kwargs,
+    ):
+        try:
+            to._meta
+        except AttributeError:
+            if not isinstance(to, str):
+                raise TypeError(
+                    "%s(%r) is invalid. First parameter to ManyToManyField "
+                    "must be either a model, a model name, or the string %r"
+                    % (
+                        self.__class__.__name__,
+                        to,
+                        RECURSIVE_RELATIONSHIP_CONSTANT,
+                    )
+                )
+
+        if symmetrical is None:
+            symmetrical = to == RECURSIVE_RELATIONSHIP_CONSTANT
+
+        if through is not None and db_table is not None:
+            raise ValueError(
+                "Cannot specify a db_table if an intermediary model is used."
+            )
+
+        kwargs["rel"] = self.rel_class(
+            self,
+            to,
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            symmetrical=symmetrical,
+            through=through,
+            through_fields=through_fields,
+            db_constraint=db_constraint,
+        )
+        self.has_null_arg = "null" in kwargs
+
+        super().__init__(
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            **kwargs,
+        )
+
+        self.db_table = db_table
+        self.swappable = swappable
+
+    def check(self, **kwargs):
+        return [
+            *super().check(**kwargs),
+            *self._check_unique(**kwargs),
+            *self._check_relationship_model(**kwargs),
+            *self._check_ignored_options(**kwargs),
+            *self._check_table_uniqueness(**kwargs),
+        ]
+
+    def _check_unique(self, **kwargs):
+        if self.unique:
+            return [
+                checks.Error(
+                    "ManyToManyFields cannot be unique.",
+                    obj=self,
+                    id="fields.E330",
+                )
+            ]
+        return []
+
+    def _check_ignored_options(self, **kwargs):
+        warnings = []
+
+        if self.has_null_arg:
+            warnings.append(
+                checks.Warning(
+                    "null has no effect on ManyToManyField.",
+                    obj=self,
+                    id="fields.W340",
+                )
+            )
+
+        if self._validators:
+            warnings.append(
+                checks.Warning(
+                    "ManyToManyField does not support validators.",
+                    obj=self,
+                    id="fields.W341",
+                )
+            )
+        if self.remote_field.symmetrical and self._related_name:
+            warnings.append(
+                checks.Warning(
+                    "related_name has no effect on ManyToManyField "
+                    'with a symmetrical relationship, e.g. to "self".',
+                    obj=self,
+                    id="fields.W345",
+                )
+            )
+        if self.db_comment:
+            warnings.append(
+                checks.Warning(
+                    "db_comment has no effect on ManyToManyField.",
+                    obj=self,
+                    id="fields.W346",
+                )
+            )
+
+        return warnings
+
+    def _check_relationship_model(self, from_model=None, **kwargs):
+        if hasattr(self.remote_field.through, "_meta"):
+            qualified_model_name = "%s.%s" % (
+                self.remote_field.through._meta.app_label,
+                self.remote_field.through.__name__,
+            )
+        else:
+            qualified_model_name = self.remote_field.through
+
+        errors = []
+
+        if self.remote_field.through not in self.opts.apps.get_models(
+            include_auto_created=True
+        ):
+            # The relationship model is not installed.
+            errors.append(
+                checks.Error(
+                    "Field specifies a many-to-many relation through model "
+                    "'%s', which has not been installed." % qualified_model_name,
+                    obj=self,
+                    id="fields.E331",
+                )
+            )
+
+        else:
+            assert from_model is not None, (
+                "ManyToManyField with intermediate "
+                "tables cannot be checked if you don't pass the model "
+                "where the field is attached to."
+            )
+            # Set some useful local variables
+            to_model = resolve_relation(from_model, self.remote_field.model)
+            from_model_name = from_model._meta.object_name
+            if isinstance(to_model, str):
+                to_model_name = to_model
+            else:
+                to_model_name = to_model._meta.object_name
+            relationship_model_name = self.remote_field.through._meta.object_name
+            self_referential = from_model == to_model
+            # Count foreign keys in intermediate model
+            if self_referential:
+                seen_self = sum(
+                    from_model == getattr(field.remote_field, "model", None)
+                    for field in self.remote_field.through._meta.fields
+                )
+
+                if seen_self > 2 and not self.remote_field.through_fields:
+                    errors.append(
+                        checks.Error(
+                            "The model is used as an intermediate model by "
+                            "'%s', but it has more than two foreign keys "
+                            "to '%s', which is ambiguous. You must specify "
+                            "which two foreign keys Django should use via the "
+                            "through_fields keyword argument."
+                            % (self, from_model_name),
+                            hint=(
+                                "Use through_fields to specify which two foreign keys "
+                                "Django should use."
+                            ),
+                            obj=self.remote_field.through,
+                            id="fields.E333",
+                        )
+                    )
+
+            else:
+                # Count foreign keys in relationship model
+                seen_from = sum(
+                    from_model == getattr(field.remote_field, "model", None)
+                    for field in self.remote_field.through._meta.fields
+                )
+                seen_to = sum(
+                    to_model == getattr(field.remote_field, "model", None)
+                    for field in self.remote_field.through._meta.fields
+                )
+
+                if seen_from > 1 and not self.remote_field.through_fields:
+                    errors.append(
+                        checks.Error(
+                            (
+                                "The model is used as an intermediate model by "
+                                "'%s', but it has more than one foreign key "
+                                "from '%s', which is ambiguous. You must specify "
+                                "which foreign key Django should use via the "
+                                "through_fields keyword argument."
+                            )
+                            % (self, from_model_name),
+                            hint=(
+                                "If you want to create a recursive relationship, "
+                                'use ManyToManyField("%s", through="%s").'
+                            )
+                            % (
+                                RECURSIVE_RELATIONSHIP_CONSTANT,
+                                relationship_model_name,
+                            ),
+                            obj=self,
+                            id="fields.E334",
+                        )
+                    )
+
+                if seen_to > 1 and not self.remote_field.through_fields:
+                    errors.append(
+                        checks.Error(
+                            "The model is used as an intermediate model by "
+                            "'%s', but it has more than one foreign key "
+                            "to '%s', which is ambiguous. You must specify "
+                            "which foreign key Django should use via the "
+                            "through_fields keyword argument." % (self, to_model_name),
+                            hint=(
+                                "If you want to create a recursive relationship, "
+                                'use ManyToManyField("%s", through="%s").'
+                            )
+                            % (
+                                RECURSIVE_RELATIONSHIP_CONSTANT,
+                                relationship_model_name,
+                            ),
+                            obj=self,
+                            id="fields.E335",
+                        )
+                    )
+
+                if seen_from == 0 or seen_to == 0:
+                    errors.append(
+                        checks.Error(
+                            "The model is used as an intermediate model by "
+                            "'%s', but it does not have a foreign key to '%s' or '%s'."
+                            % (self, from_model_name, to_model_name),
+                            obj=self.remote_field.through,
+                            id="fields.E336",
+                        )
+                    )
+
+        # Validate `through_fields`.
+        if self.remote_field.through_fields is not None:
+            # Validate that we're given an iterable of at least two items
+            # and that none of them is "falsy".
+            if not (
+                len(self.remote_field.through_fields) >= 2
+                and self.remote_field.through_fields[0]
+                and self.remote_field.through_fields[1]
+            ):
+                errors.append(
+                    checks.Error(
+                        "Field specifies 'through_fields' but does not provide "
+                        "the names of the two link fields that should be used "
+                        "for the relation through model '%s'." % qualified_model_name,
+                        hint=(
+                            "Make sure you specify 'through_fields' as "
+                            "through_fields=('field1', 'field2')"
+                        ),
+                        obj=self,
+                        id="fields.E337",
+                    )
+                )
+
+            # Validate the given through fields -- they should be actual
+            # fields on the through model, and also be foreign keys to the
+            # expected models.
+            else:
+                assert from_model is not None, (
+                    "ManyToManyField with intermediate "
+                    "tables cannot be checked if you don't pass the model "
+                    "where the field is attached to."
+                )
+
+                source, through, target = (
+                    from_model,
+                    self.remote_field.through,
+                    self.remote_field.model,
+                )
+                source_field_name, target_field_name = self.remote_field.through_fields[
+                    :2
+                ]
+
+                for field_name, related_model in (
+                    (source_field_name, source),
+                    (target_field_name, target),
+                ):
+                    possible_field_names = []
+                    for f in through._meta.fields:
+                        if (
+                            hasattr(f, "remote_field")
+                            and getattr(f.remote_field, "model", None) == related_model
+                        ):
+                            possible_field_names.append(f.name)
+                    if possible_field_names:
+                        hint = (
+                            "Did you mean one of the following foreign keys to '%s': "
+                            "%s?"
+                            % (
+                                related_model._meta.object_name,
+                                ", ".join(possible_field_names),
+                            )
+                        )
+                    else:
+                        hint = None
+
+                    try:
+                        field = through._meta.get_field(field_name)
+                    except exceptions.FieldDoesNotExist:
+                        errors.append(
+                            checks.Error(
+                                "The intermediary model '%s' has no field '%s'."
+                                % (qualified_model_name, field_name),
+                                hint=hint,
+                                obj=self,
+                                id="fields.E338",
+                            )
+                        )
+                    else:
+                        if not (
+                            hasattr(field, "remote_field")
+                            and getattr(field.remote_field, "model", None)
+                            == related_model
+                        ):
+                            errors.append(
+                                checks.Error(
+                                    "'%s.%s' is not a foreign key to '%s'."
+                                    % (
+                                        through._meta.object_name,
+                                        field_name,
+                                        related_model._meta.object_name,
+                                    ),
+                                    hint=hint,
+                                    obj=self,
+                                    id="fields.E339",
+                                )
+                            )
+
+        return errors
+
+    def _check_table_uniqueness(self, **kwargs):
+        if (
+            isinstance(self.remote_field.through, str)
+            or not self.remote_field.through._meta.managed
+        ):
+            return []
+        registered_tables = {
+            model._meta.db_table: model
+            for model in self.opts.apps.get_models(include_auto_created=True)
+            if model != self.remote_field.through and model._meta.managed
+        }
+        m2m_db_table = self.m2m_db_table()
+        model = registered_tables.get(m2m_db_table)
+        # The second condition allows multiple m2m relations on a model if
+        # some point to a through model that proxies another through model.
+        if (
+            model
+            and model._meta.concrete_model
+            != self.remote_field.through._meta.concrete_model
+        ):
+            if model._meta.auto_created:
+
+                def _get_field_name(model):
+                    for field in model._meta.auto_created._meta.many_to_many:
+                        if field.remote_field.through is model:
+                            return field.name
+
+                opts = model._meta.auto_created._meta
+                clashing_obj = "%s.%s" % (opts.label, _get_field_name(model))
+            else:
+                clashing_obj = model._meta.label
+            if settings.DATABASE_ROUTERS:
+                error_class, error_id = checks.Warning, "fields.W344"
+                error_hint = (
+                    "You have configured settings.DATABASE_ROUTERS. Verify "
+                    "that the table of %r is correctly routed to a separate "
+                    "database." % clashing_obj
+                )
+            else:
+                error_class, error_id = checks.Error, "fields.E340"
+                error_hint = None
+            return [
+                error_class(
+                    "The field's intermediary table '%s' clashes with the "
+                    "table name of '%s'." % (m2m_db_table, clashing_obj),
+                    obj=self,
+                    hint=error_hint,
+                    id=error_id,
+                )
+            ]
+        return []
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        # Handle the simpler arguments.
+        if self.db_table is not None:
+            kwargs["db_table"] = self.db_table
+        if self.remote_field.db_constraint is not True:
+            kwargs["db_constraint"] = self.remote_field.db_constraint
+        # Lowercase model names as they should be treated as case-insensitive.
+        if isinstance(self.remote_field.model, str):
+            if "." in self.remote_field.model:
+                app_label, model_name = self.remote_field.model.split(".")
+                kwargs["to"] = "%s.%s" % (app_label, model_name.lower())
+            else:
+                kwargs["to"] = self.remote_field.model.lower()
+        else:
+            kwargs["to"] = self.remote_field.model._meta.label_lower
+        if getattr(self.remote_field, "through", None) is not None:
+            if isinstance(self.remote_field.through, str):
+                kwargs["through"] = self.remote_field.through
+            elif not self.remote_field.through._meta.auto_created:
+                kwargs["through"] = self.remote_field.through._meta.label
+        # If swappable is True, then see if we're actually pointing to the target
+        # of a swap.
+        swappable_setting = self.swappable_setting
+        if swappable_setting is not None:
+            # If it's already a settings reference, error.
+            if hasattr(kwargs["to"], "setting_name"):
+                if kwargs["to"].setting_name != swappable_setting:
+                    raise ValueError(
+                        "Cannot deconstruct a ManyToManyField pointing to a "
+                        "model that is swapped in place of more than one model "
+                        "(%s and %s)" % (kwargs["to"].setting_name, swappable_setting)
+                    )
+
+            kwargs["to"] = SettingsReference(
+                kwargs["to"],
+                swappable_setting,
+            )
+        return name, path, args, kwargs
+
+    def _get_path_info(self, direct=False, filtered_relation=None):
+        """Called by both direct and indirect m2m traversal."""
+        int_model = self.remote_field.through
+        linkfield1 = int_model._meta.get_field(self.m2m_field_name())
+        linkfield2 = int_model._meta.get_field(self.m2m_reverse_field_name())
+        if direct:
+            join1infos = linkfield1.reverse_path_infos
+            if filtered_relation:
+                join2infos = linkfield2.get_path_info(filtered_relation)
+            else:
+                join2infos = linkfield2.path_infos
+        else:
+            join1infos = linkfield2.reverse_path_infos
+            if filtered_relation:
+                join2infos = linkfield1.get_path_info(filtered_relation)
+            else:
+                join2infos = linkfield1.path_infos
+        # Get join infos between the last model of join 1 and the first model
+        # of join 2. Assume the only reason these may differ is due to model
+        # inheritance.
+        join1_final = join1infos[-1].to_opts
+        join2_initial = join2infos[0].from_opts
+        if join1_final is join2_initial:
+            intermediate_infos = []
+        elif issubclass(join1_final.model, join2_initial.model):
+            intermediate_infos = join1_final.get_path_to_parent(join2_initial.model)
+        else:
+            intermediate_infos = join2_initial.get_path_from_parent(join1_final.model)
+
+        return [*join1infos, *intermediate_infos, *join2infos]
+
+    def get_path_info(self, filtered_relation=None):
+        return self._get_path_info(direct=True, filtered_relation=filtered_relation)
+
+    @cached_property
+    def path_infos(self):
+        return self.get_path_info()
+
+    def get_reverse_path_info(self, filtered_relation=None):
+        return self._get_path_info(direct=False, filtered_relation=filtered_relation)
+
+    @cached_property
+    def reverse_path_infos(self):
+        return self.get_reverse_path_info()
+
+    def _get_m2m_db_table(self, opts):
+        """
+        Function that can be curried to provide the m2m table name for this
+        relation.
+        """
+        if self.remote_field.through is not None:
+            return self.remote_field.through._meta.db_table
+        elif self.db_table:
+            return self.db_table
+        else:
+            m2m_table_name = "%s_%s" % (utils.strip_quotes(opts.db_table), self.name)
+            return utils.truncate_name(m2m_table_name, connection.ops.max_name_length())
+
+    def _get_m2m_attr(self, related, attr):
+        """
+        Function that can be curried to provide the source accessor or DB
+        column name for the m2m table.
+        """
+        cache_attr = "_m2m_%s_cache" % attr
+        if hasattr(self, cache_attr):
+            return getattr(self, cache_attr)
+        if self.remote_field.through_fields is not None:
+            link_field_name = self.remote_field.through_fields[0]
+        else:
+            link_field_name = None
+        for f in self.remote_field.through._meta.fields:
+            if (
+                f.is_relation
+                and f.remote_field.model == related.related_model
+                and (link_field_name is None or link_field_name == f.name)
+            ):
+                setattr(self, cache_attr, getattr(f, attr))
+                return getattr(self, cache_attr)
+
+    def _get_m2m_reverse_attr(self, related, attr):
+        """
+        Function that can be curried to provide the related accessor or DB
+        column name for the m2m table.
+        """
+        cache_attr = "_m2m_reverse_%s_cache" % attr
+        if hasattr(self, cache_attr):
+            return getattr(self, cache_attr)
+        found = False
+        if self.remote_field.through_fields is not None:
+            link_field_name = self.remote_field.through_fields[1]
+        else:
+            link_field_name = None
+        for f in self.remote_field.through._meta.fields:
+            if f.is_relation and f.remote_field.model == related.model:
+                if link_field_name is None and related.related_model == related.model:
+                    # If this is an m2m-intermediate to self,
+                    # the first foreign key you find will be
+                    # the source column. Keep searching for
+                    # the second foreign key.
+                    if found:
+                        setattr(self, cache_attr, getattr(f, attr))
+                        break
+                    else:
+                        found = True
+                elif link_field_name is None or link_field_name == f.name:
+                    setattr(self, cache_attr, getattr(f, attr))
+                    break
+        return getattr(self, cache_attr)
+
+    def contribute_to_class(self, cls, name, **kwargs):
+        # To support multiple relations to self, it's useful to have a non-None
+        # related name on symmetrical relations for internal reasons. The
+        # concept doesn't make a lot of sense externally ("you want me to
+        # specify *what* on my non-reversible relation?!"), so we set it up
+        # automatically. The funky name reduces the chance of an accidental
+        # clash.
+        if self.remote_field.symmetrical and (
+            self.remote_field.model == RECURSIVE_RELATIONSHIP_CONSTANT
+            or self.remote_field.model == cls._meta.object_name
+        ):
+            self.remote_field.related_name = "%s_rel_+" % name
+        elif self.remote_field.is_hidden():
+            # If the backwards relation is disabled, replace the original
+            # related_name with one generated from the m2m field name. Django
+            # still uses backwards relations internally and we need to avoid
+            # clashes between multiple m2m fields with related_name == '+'.
+            self.remote_field.related_name = "_%s_%s_%s_+" % (
+                cls._meta.app_label,
+                cls.__name__.lower(),
+                name,
+            )
+
+        super().contribute_to_class(cls, name, **kwargs)
+
+        # The intermediate m2m model is not auto created if:
+        #  1) There is a manually specified intermediate, or
+        #  2) The class owning the m2m field is abstract.
+        #  3) The class owning the m2m field has been swapped out.
+        if not cls._meta.abstract:
+            if self.remote_field.through:
+
+                def resolve_through_model(_, model, field):
+                    field.remote_field.through = model
+
+                lazy_related_operation(
+                    resolve_through_model, cls, self.remote_field.through, field=self
+                )
+            elif not cls._meta.swapped:
+                self.remote_field.through = create_many_to_many_intermediary_model(
+                    self, cls
+                )
+
+        # Add the descriptor for the m2m relation.
+        setattr(cls, self.name, ManyToManyDescriptor(self.remote_field, reverse=False))
+
+        # Set up the accessor for the m2m table name for the relation.
+        self.m2m_db_table = partial(self._get_m2m_db_table, cls._meta)
+
+    def contribute_to_related_class(self, cls, related):
+        # Internal M2Ms (i.e., those with a related name ending with '+')
+        # and swapped models don't get a related descriptor.
+        if (
+            not self.remote_field.is_hidden()
+            and not related.related_model._meta.swapped
+        ):
+            setattr(
+                cls,
+                related.get_accessor_name(),
+                ManyToManyDescriptor(self.remote_field, reverse=True),
+            )
+
+        # Set up the accessors for the column names on the m2m table.
+        self.m2m_column_name = partial(self._get_m2m_attr, related, "column")
+        self.m2m_reverse_name = partial(self._get_m2m_reverse_attr, related, "column")
+
+        self.m2m_field_name = partial(self._get_m2m_attr, related, "name")
+        self.m2m_reverse_field_name = partial(
+            self._get_m2m_reverse_attr, related, "name"
+        )
+
+        get_m2m_rel = partial(self._get_m2m_attr, related, "remote_field")
+        self.m2m_target_field_name = lambda: get_m2m_rel().field_name
+        get_m2m_reverse_rel = partial(
+            self._get_m2m_reverse_attr, related, "remote_field"
+        )
+        self.m2m_reverse_target_field_name = lambda: get_m2m_reverse_rel().field_name
+
+    def set_attributes_from_rel(self):
+        pass
+
+    def value_from_object(self, obj):
+        return [] if obj.pk is None else list(getattr(obj, self.attname).all())
+
+    def save_form_data(self, instance, data):
+        getattr(instance, self.attname).set(data)
+
+    def formfield(self, *, using=None, **kwargs):
+        defaults = {
+            "form_class": forms.ModelMultipleChoiceField,
+            "queryset": self.remote_field.model._default_manager.using(using),
+            **kwargs,
+        }
+        # If initial is passed in, it's a list of related objects, but the
+        # MultipleChoiceField takes a list of IDs.
+        if defaults.get("initial") is not None:
+            initial = defaults["initial"]
+            if callable(initial):
+                initial = initial()
+            defaults["initial"] = [i.pk for i in initial]
+        return super().formfield(**defaults)
+
+    def db_check(self, connection):
+        return None
+
+    def db_type(self, connection):
+        # A ManyToManyField is not represented by a single column,
+        # so return None.
+        return None
+
+    def db_parameters(self, connection):
+        return {"type": None, "check": None}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related_descriptors.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related_descriptors.py
new file mode 100644
index 00000000..81cb35b3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related_descriptors.py
@@ -0,0 +1,1570 @@
+"""
+Accessors for related objects.
+
+When a field defines a relation between two models, each model class provides
+an attribute to access related instances of the other model class (unless the
+reverse accessor has been disabled with related_name='+').
+
+Accessors are implemented as descriptors in order to customize access and
+assignment. This module defines the descriptor classes.
+
+Forward accessors follow foreign keys. Reverse accessors trace them back. For
+example, with the following models::
+
+    class Parent(Model):
+        pass
+
+    class Child(Model):
+        parent = ForeignKey(Parent, related_name='children')
+
+ ``child.parent`` is a forward many-to-one relation. ``parent.children`` is a
+reverse many-to-one relation.
+
+There are three types of relations (many-to-one, one-to-one, and many-to-many)
+and two directions (forward and reverse) for a total of six combinations.
+
+1. Related instance on the forward side of a many-to-one relation:
+   ``ForwardManyToOneDescriptor``.
+
+   Uniqueness of foreign key values is irrelevant to accessing the related
+   instance, making the many-to-one and one-to-one cases identical as far as
+   the descriptor is concerned. The constraint is checked upstream (unicity
+   validation in forms) or downstream (unique indexes in the database).
+
+2. Related instance on the forward side of a one-to-one
+   relation: ``ForwardOneToOneDescriptor``.
+
+   It avoids querying the database when accessing the parent link field in
+   a multi-table inheritance scenario.
+
+3. Related instance on the reverse side of a one-to-one relation:
+   ``ReverseOneToOneDescriptor``.
+
+   One-to-one relations are asymmetrical, despite the apparent symmetry of the
+   name, because they're implemented in the database with a foreign key from
+   one table to another. As a consequence ``ReverseOneToOneDescriptor`` is
+   slightly different from ``ForwardManyToOneDescriptor``.
+
+4. Related objects manager for related instances on the reverse side of a
+   many-to-one relation: ``ReverseManyToOneDescriptor``.
+
+   Unlike the previous two classes, this one provides access to a collection
+   of objects. It returns a manager rather than an instance.
+
+5. Related objects manager for related instances on the forward or reverse
+   sides of a many-to-many relation: ``ManyToManyDescriptor``.
+
+   Many-to-many relations are symmetrical. The syntax of Django models
+   requires declaring them on one side but that's an implementation detail.
+   They could be declared on the other side without any change in behavior.
+   Therefore the forward and reverse descriptors can be the same.
+
+   If you're looking for ``ForwardManyToManyDescriptor`` or
+   ``ReverseManyToManyDescriptor``, use ``ManyToManyDescriptor`` instead.
+"""
+
+import warnings
+
+from asgiref.sync import sync_to_async
+
+from django.core.exceptions import FieldError
+from django.db import (
+    DEFAULT_DB_ALIAS,
+    NotSupportedError,
+    connections,
+    router,
+    transaction,
+)
+from django.db.models import Q, Window, signals
+from django.db.models.functions import RowNumber
+from django.db.models.lookups import GreaterThan, LessThanOrEqual
+from django.db.models.query import QuerySet
+from django.db.models.query_utils import DeferredAttribute
+from django.db.models.utils import AltersData, resolve_callables
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import cached_property
+
+
+class ForeignKeyDeferredAttribute(DeferredAttribute):
+    def __set__(self, instance, value):
+        if instance.__dict__.get(self.field.attname) != value and self.field.is_cached(
+            instance
+        ):
+            self.field.delete_cached_value(instance)
+        instance.__dict__[self.field.attname] = value
+
+
+def _filter_prefetch_queryset(queryset, field_name, instances):
+    predicate = Q(**{f"{field_name}__in": instances})
+    db = queryset._db or DEFAULT_DB_ALIAS
+    if queryset.query.is_sliced:
+        if not connections[db].features.supports_over_clause:
+            raise NotSupportedError(
+                "Prefetching from a limited queryset is only supported on backends "
+                "that support window functions."
+            )
+        low_mark, high_mark = queryset.query.low_mark, queryset.query.high_mark
+        order_by = [
+            expr for expr, _ in queryset.query.get_compiler(using=db).get_order_by()
+        ]
+        window = Window(RowNumber(), partition_by=field_name, order_by=order_by)
+        predicate &= GreaterThan(window, low_mark)
+        if high_mark is not None:
+            predicate &= LessThanOrEqual(window, high_mark)
+        queryset.query.clear_limits()
+    return queryset.filter(predicate)
+
+
+class ForwardManyToOneDescriptor:
+    """
+    Accessor to the related object on the forward side of a many-to-one or
+    one-to-one (via ForwardOneToOneDescriptor subclass) relation.
+
+    In the example::
+
+        class Child(Model):
+            parent = ForeignKey(Parent, related_name='children')
+
+    ``Child.parent`` is a ``ForwardManyToOneDescriptor`` instance.
+    """
+
+    def __init__(self, field_with_rel):
+        self.field = field_with_rel
+
+    @cached_property
+    def RelatedObjectDoesNotExist(self):
+        # The exception can't be created at initialization time since the
+        # related model might not be resolved yet; `self.field.model` might
+        # still be a string model reference.
+        return type(
+            "RelatedObjectDoesNotExist",
+            (self.field.remote_field.model.DoesNotExist, AttributeError),
+            {
+                "__module__": self.field.model.__module__,
+                "__qualname__": "%s.%s.RelatedObjectDoesNotExist"
+                % (
+                    self.field.model.__qualname__,
+                    self.field.name,
+                ),
+            },
+        )
+
+    def is_cached(self, instance):
+        return self.field.is_cached(instance)
+
+    def get_queryset(self, **hints):
+        return self.field.remote_field.model._base_manager.db_manager(hints=hints).all()
+
+    def get_prefetch_queryset(self, instances, queryset=None):
+        warnings.warn(
+            "get_prefetch_queryset() is deprecated. Use get_prefetch_querysets() "
+            "instead.",
+            RemovedInDjango60Warning,
+            stacklevel=2,
+        )
+        if queryset is None:
+            return self.get_prefetch_querysets(instances)
+        return self.get_prefetch_querysets(instances, [queryset])
+
+    def get_prefetch_querysets(self, instances, querysets=None):
+        if querysets and len(querysets) != 1:
+            raise ValueError(
+                "querysets argument of get_prefetch_querysets() should have a length "
+                "of 1."
+            )
+        queryset = querysets[0] if querysets else self.get_queryset()
+        queryset._add_hints(instance=instances[0])
+
+        rel_obj_attr = self.field.get_foreign_related_value
+        instance_attr = self.field.get_local_related_value
+        instances_dict = {instance_attr(inst): inst for inst in instances}
+        related_field = self.field.foreign_related_fields[0]
+        remote_field = self.field.remote_field
+
+        # FIXME: This will need to be revisited when we introduce support for
+        # composite fields. In the meantime we take this practical approach to
+        # solve a regression on 1.6 when the reverse manager in hidden
+        # (related_name ends with a '+'). Refs #21410.
+        # The check for len(...) == 1 is a special case that allows the query
+        # to be join-less and smaller. Refs #21760.
+        if remote_field.is_hidden() or len(self.field.foreign_related_fields) == 1:
+            query = {
+                "%s__in"
+                % related_field.name: {instance_attr(inst)[0] for inst in instances}
+            }
+        else:
+            query = {"%s__in" % self.field.related_query_name(): instances}
+        queryset = queryset.filter(**query)
+
+        # Since we're going to assign directly in the cache,
+        # we must manage the reverse relation cache manually.
+        if not remote_field.multiple:
+            for rel_obj in queryset:
+                instance = instances_dict[rel_obj_attr(rel_obj)]
+                remote_field.set_cached_value(rel_obj, instance)
+        return (
+            queryset,
+            rel_obj_attr,
+            instance_attr,
+            True,
+            self.field.get_cache_name(),
+            False,
+        )
+
+    def get_object(self, instance):
+        qs = self.get_queryset(instance=instance)
+        # Assuming the database enforces foreign keys, this won't fail.
+        return qs.get(self.field.get_reverse_related_filter(instance))
+
+    def __get__(self, instance, cls=None):
+        """
+        Get the related instance through the forward relation.
+
+        With the example above, when getting ``child.parent``:
+
+        - ``self`` is the descriptor managing the ``parent`` attribute
+        - ``instance`` is the ``child`` instance
+        - ``cls`` is the ``Child`` class (we don't need it)
+        """
+        if instance is None:
+            return self
+
+        # The related instance is loaded from the database and then cached
+        # by the field on the model instance state. It can also be pre-cached
+        # by the reverse accessor (ReverseOneToOneDescriptor).
+        try:
+            rel_obj = self.field.get_cached_value(instance)
+        except KeyError:
+            has_value = None not in self.field.get_local_related_value(instance)
+            ancestor_link = (
+                instance._meta.get_ancestor_link(self.field.model)
+                if has_value
+                else None
+            )
+            if ancestor_link and ancestor_link.is_cached(instance):
+                # An ancestor link will exist if this field is defined on a
+                # multi-table inheritance parent of the instance's class.
+                ancestor = ancestor_link.get_cached_value(instance)
+                # The value might be cached on an ancestor if the instance
+                # originated from walking down the inheritance chain.
+                rel_obj = self.field.get_cached_value(ancestor, default=None)
+            else:
+                rel_obj = None
+            if rel_obj is None and has_value:
+                rel_obj = self.get_object(instance)
+                remote_field = self.field.remote_field
+                # If this is a one-to-one relation, set the reverse accessor
+                # cache on the related object to the current instance to avoid
+                # an extra SQL query if it's accessed later on.
+                if not remote_field.multiple:
+                    remote_field.set_cached_value(rel_obj, instance)
+            self.field.set_cached_value(instance, rel_obj)
+
+        if rel_obj is None and not self.field.null:
+            raise self.RelatedObjectDoesNotExist(
+                "%s has no %s." % (self.field.model.__name__, self.field.name)
+            )
+        else:
+            return rel_obj
+
+    def __set__(self, instance, value):
+        """
+        Set the related instance through the forward relation.
+
+        With the example above, when setting ``child.parent = parent``:
+
+        - ``self`` is the descriptor managing the ``parent`` attribute
+        - ``instance`` is the ``child`` instance
+        - ``value`` is the ``parent`` instance on the right of the equal sign
+        """
+        # An object must be an instance of the related class.
+        if value is not None and not isinstance(
+            value, self.field.remote_field.model._meta.concrete_model
+        ):
+            raise ValueError(
+                'Cannot assign "%r": "%s.%s" must be a "%s" instance.'
+                % (
+                    value,
+                    instance._meta.object_name,
+                    self.field.name,
+                    self.field.remote_field.model._meta.object_name,
+                )
+            )
+        elif value is not None:
+            if instance._state.db is None:
+                instance._state.db = router.db_for_write(
+                    instance.__class__, instance=value
+                )
+            if value._state.db is None:
+                value._state.db = router.db_for_write(
+                    value.__class__, instance=instance
+                )
+            if not router.allow_relation(value, instance):
+                raise ValueError(
+                    'Cannot assign "%r": the current database router prevents this '
+                    "relation." % value
+                )
+
+        remote_field = self.field.remote_field
+        # If we're setting the value of a OneToOneField to None, we need to clear
+        # out the cache on any old related object. Otherwise, deleting the
+        # previously-related object will also cause this object to be deleted,
+        # which is wrong.
+        if value is None:
+            # Look up the previously-related object, which may still be available
+            # since we've not yet cleared out the related field.
+            # Use the cache directly, instead of the accessor; if we haven't
+            # populated the cache, then we don't care - we're only accessing
+            # the object to invalidate the accessor cache, so there's no
+            # need to populate the cache just to expire it again.
+            related = self.field.get_cached_value(instance, default=None)
+
+            # If we've got an old related object, we need to clear out its
+            # cache. This cache also might not exist if the related object
+            # hasn't been accessed yet.
+            if related is not None:
+                remote_field.set_cached_value(related, None)
+
+            for lh_field, rh_field in self.field.related_fields:
+                setattr(instance, lh_field.attname, None)
+
+        # Set the values of the related field.
+        else:
+            for lh_field, rh_field in self.field.related_fields:
+                setattr(instance, lh_field.attname, getattr(value, rh_field.attname))
+
+        # Set the related instance cache used by __get__ to avoid an SQL query
+        # when accessing the attribute we just set.
+        self.field.set_cached_value(instance, value)
+
+        # If this is a one-to-one relation, set the reverse accessor cache on
+        # the related object to the current instance to avoid an extra SQL
+        # query if it's accessed later on.
+        if value is not None and not remote_field.multiple:
+            remote_field.set_cached_value(value, instance)
+
+    def __reduce__(self):
+        """
+        Pickling should return the instance attached by self.field on the
+        model, not a new copy of that descriptor. Use getattr() to retrieve
+        the instance directly from the model.
+        """
+        return getattr, (self.field.model, self.field.name)
+
+
+class ForwardOneToOneDescriptor(ForwardManyToOneDescriptor):
+    """
+    Accessor to the related object on the forward side of a one-to-one relation.
+
+    In the example::
+
+        class Restaurant(Model):
+            place = OneToOneField(Place, related_name='restaurant')
+
+    ``Restaurant.place`` is a ``ForwardOneToOneDescriptor`` instance.
+    """
+
+    def get_object(self, instance):
+        if self.field.remote_field.parent_link:
+            deferred = instance.get_deferred_fields()
+            # Because it's a parent link, all the data is available in the
+            # instance, so populate the parent model with this data.
+            rel_model = self.field.remote_field.model
+            fields = [field.attname for field in rel_model._meta.concrete_fields]
+
+            # If any of the related model's fields are deferred, fallback to
+            # fetching all fields from the related model. This avoids a query
+            # on the related model for every deferred field.
+            if not any(field in fields for field in deferred):
+                kwargs = {field: getattr(instance, field) for field in fields}
+                obj = rel_model(**kwargs)
+                obj._state.adding = instance._state.adding
+                obj._state.db = instance._state.db
+                return obj
+        return super().get_object(instance)
+
+    def __set__(self, instance, value):
+        super().__set__(instance, value)
+        # If the primary key is a link to a parent model and a parent instance
+        # is being set, update the value of the inherited pk(s).
+        if self.field.primary_key and self.field.remote_field.parent_link:
+            opts = instance._meta
+            # Inherited primary key fields from this object's base classes.
+            inherited_pk_fields = [
+                field
+                for field in opts.concrete_fields
+                if field.primary_key and field.remote_field
+            ]
+            for field in inherited_pk_fields:
+                rel_model_pk_name = field.remote_field.model._meta.pk.attname
+                raw_value = (
+                    getattr(value, rel_model_pk_name) if value is not None else None
+                )
+                setattr(instance, rel_model_pk_name, raw_value)
+
+
+class ReverseOneToOneDescriptor:
+    """
+    Accessor to the related object on the reverse side of a one-to-one
+    relation.
+
+    In the example::
+
+        class Restaurant(Model):
+            place = OneToOneField(Place, related_name='restaurant')
+
+    ``Place.restaurant`` is a ``ReverseOneToOneDescriptor`` instance.
+    """
+
+    def __init__(self, related):
+        # Following the example above, `related` is an instance of OneToOneRel
+        # which represents the reverse restaurant field (place.restaurant).
+        self.related = related
+
+    @cached_property
+    def RelatedObjectDoesNotExist(self):
+        # The exception isn't created at initialization time for the sake of
+        # consistency with `ForwardManyToOneDescriptor`.
+        return type(
+            "RelatedObjectDoesNotExist",
+            (self.related.related_model.DoesNotExist, AttributeError),
+            {
+                "__module__": self.related.model.__module__,
+                "__qualname__": "%s.%s.RelatedObjectDoesNotExist"
+                % (
+                    self.related.model.__qualname__,
+                    self.related.name,
+                ),
+            },
+        )
+
+    def is_cached(self, instance):
+        return self.related.is_cached(instance)
+
+    def get_queryset(self, **hints):
+        return self.related.related_model._base_manager.db_manager(hints=hints).all()
+
+    def get_prefetch_queryset(self, instances, queryset=None):
+        warnings.warn(
+            "get_prefetch_queryset() is deprecated. Use get_prefetch_querysets() "
+            "instead.",
+            RemovedInDjango60Warning,
+            stacklevel=2,
+        )
+        if queryset is None:
+            return self.get_prefetch_querysets(instances)
+        return self.get_prefetch_querysets(instances, [queryset])
+
+    def get_prefetch_querysets(self, instances, querysets=None):
+        if querysets and len(querysets) != 1:
+            raise ValueError(
+                "querysets argument of get_prefetch_querysets() should have a length "
+                "of 1."
+            )
+        queryset = querysets[0] if querysets else self.get_queryset()
+        queryset._add_hints(instance=instances[0])
+
+        rel_obj_attr = self.related.field.get_local_related_value
+        instance_attr = self.related.field.get_foreign_related_value
+        instances_dict = {instance_attr(inst): inst for inst in instances}
+        query = {"%s__in" % self.related.field.name: instances}
+        queryset = queryset.filter(**query)
+
+        # Since we're going to assign directly in the cache,
+        # we must manage the reverse relation cache manually.
+        for rel_obj in queryset:
+            instance = instances_dict[rel_obj_attr(rel_obj)]
+            self.related.field.set_cached_value(rel_obj, instance)
+        return (
+            queryset,
+            rel_obj_attr,
+            instance_attr,
+            True,
+            self.related.get_cache_name(),
+            False,
+        )
+
+    def __get__(self, instance, cls=None):
+        """
+        Get the related instance through the reverse relation.
+
+        With the example above, when getting ``place.restaurant``:
+
+        - ``self`` is the descriptor managing the ``restaurant`` attribute
+        - ``instance`` is the ``place`` instance
+        - ``cls`` is the ``Place`` class (unused)
+
+        Keep in mind that ``Restaurant`` holds the foreign key to ``Place``.
+        """
+        if instance is None:
+            return self
+
+        # The related instance is loaded from the database and then cached
+        # by the field on the model instance state. It can also be pre-cached
+        # by the forward accessor (ForwardManyToOneDescriptor).
+        try:
+            rel_obj = self.related.get_cached_value(instance)
+        except KeyError:
+            related_pk = instance.pk
+            if related_pk is None:
+                rel_obj = None
+            else:
+                filter_args = self.related.field.get_forward_related_filter(instance)
+                try:
+                    rel_obj = self.get_queryset(instance=instance).get(**filter_args)
+                except self.related.related_model.DoesNotExist:
+                    rel_obj = None
+                else:
+                    # Set the forward accessor cache on the related object to
+                    # the current instance to avoid an extra SQL query if it's
+                    # accessed later on.
+                    self.related.field.set_cached_value(rel_obj, instance)
+            self.related.set_cached_value(instance, rel_obj)
+
+        if rel_obj is None:
+            raise self.RelatedObjectDoesNotExist(
+                "%s has no %s."
+                % (instance.__class__.__name__, self.related.get_accessor_name())
+            )
+        else:
+            return rel_obj
+
+    def __set__(self, instance, value):
+        """
+        Set the related instance through the reverse relation.
+
+        With the example above, when setting ``place.restaurant = restaurant``:
+
+        - ``self`` is the descriptor managing the ``restaurant`` attribute
+        - ``instance`` is the ``place`` instance
+        - ``value`` is the ``restaurant`` instance on the right of the equal sign
+
+        Keep in mind that ``Restaurant`` holds the foreign key to ``Place``.
+        """
+        # The similarity of the code below to the code in
+        # ForwardManyToOneDescriptor is annoying, but there's a bunch
+        # of small differences that would make a common base class convoluted.
+
+        if value is None:
+            # Update the cached related instance (if any) & clear the cache.
+            # Following the example above, this would be the cached
+            # ``restaurant`` instance (if any).
+            rel_obj = self.related.get_cached_value(instance, default=None)
+            if rel_obj is not None:
+                # Remove the ``restaurant`` instance from the ``place``
+                # instance cache.
+                self.related.delete_cached_value(instance)
+                # Set the ``place`` field on the ``restaurant``
+                # instance to None.
+                setattr(rel_obj, self.related.field.name, None)
+        elif not isinstance(value, self.related.related_model):
+            # An object must be an instance of the related class.
+            raise ValueError(
+                'Cannot assign "%r": "%s.%s" must be a "%s" instance.'
+                % (
+                    value,
+                    instance._meta.object_name,
+                    self.related.get_accessor_name(),
+                    self.related.related_model._meta.object_name,
+                )
+            )
+        else:
+            if instance._state.db is None:
+                instance._state.db = router.db_for_write(
+                    instance.__class__, instance=value
+                )
+            if value._state.db is None:
+                value._state.db = router.db_for_write(
+                    value.__class__, instance=instance
+                )
+            if not router.allow_relation(value, instance):
+                raise ValueError(
+                    'Cannot assign "%r": the current database router prevents this '
+                    "relation." % value
+                )
+
+            related_pk = tuple(
+                getattr(instance, field.attname)
+                for field in self.related.field.foreign_related_fields
+            )
+            # Set the value of the related field to the value of the related
+            # object's related field.
+            for index, field in enumerate(self.related.field.local_related_fields):
+                setattr(value, field.attname, related_pk[index])
+
+            # Set the related instance cache used by __get__ to avoid an SQL query
+            # when accessing the attribute we just set.
+            self.related.set_cached_value(instance, value)
+
+            # Set the forward accessor cache on the related object to the current
+            # instance to avoid an extra SQL query if it's accessed later on.
+            self.related.field.set_cached_value(value, instance)
+
+    def __reduce__(self):
+        # Same purpose as ForwardManyToOneDescriptor.__reduce__().
+        return getattr, (self.related.model, self.related.name)
+
+
+class ReverseManyToOneDescriptor:
+    """
+    Accessor to the related objects manager on the reverse side of a
+    many-to-one relation.
+
+    In the example::
+
+        class Child(Model):
+            parent = ForeignKey(Parent, related_name='children')
+
+    ``Parent.children`` is a ``ReverseManyToOneDescriptor`` instance.
+
+    Most of the implementation is delegated to a dynamically defined manager
+    class built by ``create_forward_many_to_many_manager()`` defined below.
+    """
+
+    def __init__(self, rel):
+        self.rel = rel
+        self.field = rel.field
+
+    @cached_property
+    def related_manager_cls(self):
+        related_model = self.rel.related_model
+
+        return create_reverse_many_to_one_manager(
+            related_model._default_manager.__class__,
+            self.rel,
+        )
+
+    def __get__(self, instance, cls=None):
+        """
+        Get the related objects through the reverse relation.
+
+        With the example above, when getting ``parent.children``:
+
+        - ``self`` is the descriptor managing the ``children`` attribute
+        - ``instance`` is the ``parent`` instance
+        - ``cls`` is the ``Parent`` class (unused)
+        """
+        if instance is None:
+            return self
+
+        return self.related_manager_cls(instance)
+
+    def _get_set_deprecation_msg_params(self):
+        return (
+            "reverse side of a related set",
+            self.rel.get_accessor_name(),
+        )
+
+    def __set__(self, instance, value):
+        raise TypeError(
+            "Direct assignment to the %s is prohibited. Use %s.set() instead."
+            % self._get_set_deprecation_msg_params(),
+        )
+
+
+def create_reverse_many_to_one_manager(superclass, rel):
+    """
+    Create a manager for the reverse side of a many-to-one relation.
+
+    This manager subclasses another manager, generally the default manager of
+    the related model, and adds behaviors specific to many-to-one relations.
+    """
+
+    class RelatedManager(superclass, AltersData):
+        def __init__(self, instance):
+            super().__init__()
+
+            self.instance = instance
+            self.model = rel.related_model
+            self.field = rel.field
+
+            self.core_filters = {self.field.name: instance}
+
+        def __call__(self, *, manager):
+            manager = getattr(self.model, manager)
+            manager_class = create_reverse_many_to_one_manager(manager.__class__, rel)
+            return manager_class(self.instance)
+
+        do_not_call_in_templates = True
+
+        def _check_fk_val(self):
+            for field in self.field.foreign_related_fields:
+                if getattr(self.instance, field.attname) is None:
+                    raise ValueError(
+                        f'"{self.instance!r}" needs to have a value for field '
+                        f'"{field.attname}" before this relationship can be used.'
+                    )
+
+        def _apply_rel_filters(self, queryset):
+            """
+            Filter the queryset for the instance this manager is bound to.
+            """
+            db = self._db or router.db_for_read(self.model, instance=self.instance)
+            empty_strings_as_null = connections[
+                db
+            ].features.interprets_empty_strings_as_nulls
+            queryset._add_hints(instance=self.instance)
+            if self._db:
+                queryset = queryset.using(self._db)
+            queryset._defer_next_filter = True
+            queryset = queryset.filter(**self.core_filters)
+            for field in self.field.foreign_related_fields:
+                val = getattr(self.instance, field.attname)
+                if val is None or (val == "" and empty_strings_as_null):
+                    return queryset.none()
+            if self.field.many_to_one:
+                # Guard against field-like objects such as GenericRelation
+                # that abuse create_reverse_many_to_one_manager() with reverse
+                # one-to-many relationships instead and break known related
+                # objects assignment.
+                try:
+                    target_field = self.field.target_field
+                except FieldError:
+                    # The relationship has multiple target fields. Use a tuple
+                    # for related object id.
+                    rel_obj_id = tuple(
+                        [
+                            getattr(self.instance, target_field.attname)
+                            for target_field in self.field.path_infos[-1].target_fields
+                        ]
+                    )
+                else:
+                    rel_obj_id = getattr(self.instance, target_field.attname)
+                queryset._known_related_objects = {
+                    self.field: {rel_obj_id: self.instance}
+                }
+            return queryset
+
+        def _remove_prefetched_objects(self):
+            try:
+                self.instance._prefetched_objects_cache.pop(
+                    self.field.remote_field.get_cache_name()
+                )
+            except (AttributeError, KeyError):
+                pass  # nothing to clear from cache
+
+        def get_queryset(self):
+            # Even if this relation is not to pk, we require still pk value.
+            # The wish is that the instance has been already saved to DB,
+            # although having a pk value isn't a guarantee of that.
+            if self.instance.pk is None:
+                raise ValueError(
+                    f"{self.instance.__class__.__name__!r} instance needs to have a "
+                    f"primary key value before this relationship can be used."
+                )
+            try:
+                return self.instance._prefetched_objects_cache[
+                    self.field.remote_field.get_cache_name()
+                ]
+            except (AttributeError, KeyError):
+                queryset = super().get_queryset()
+                return self._apply_rel_filters(queryset)
+
+        def get_prefetch_queryset(self, instances, queryset=None):
+            warnings.warn(
+                "get_prefetch_queryset() is deprecated. Use get_prefetch_querysets() "
+                "instead.",
+                RemovedInDjango60Warning,
+                stacklevel=2,
+            )
+            if queryset is None:
+                return self.get_prefetch_querysets(instances)
+            return self.get_prefetch_querysets(instances, [queryset])
+
+        def get_prefetch_querysets(self, instances, querysets=None):
+            if querysets and len(querysets) != 1:
+                raise ValueError(
+                    "querysets argument of get_prefetch_querysets() should have a "
+                    "length of 1."
+                )
+            queryset = querysets[0] if querysets else super().get_queryset()
+            queryset._add_hints(instance=instances[0])
+            queryset = queryset.using(queryset._db or self._db)
+
+            rel_obj_attr = self.field.get_local_related_value
+            instance_attr = self.field.get_foreign_related_value
+            instances_dict = {instance_attr(inst): inst for inst in instances}
+            queryset = _filter_prefetch_queryset(queryset, self.field.name, instances)
+
+            # Since we just bypassed this class' get_queryset(), we must manage
+            # the reverse relation manually.
+            for rel_obj in queryset:
+                if not self.field.is_cached(rel_obj):
+                    instance = instances_dict[rel_obj_attr(rel_obj)]
+                    setattr(rel_obj, self.field.name, instance)
+            cache_name = self.field.remote_field.get_cache_name()
+            return queryset, rel_obj_attr, instance_attr, False, cache_name, False
+
+        def add(self, *objs, bulk=True):
+            self._check_fk_val()
+            self._remove_prefetched_objects()
+            db = router.db_for_write(self.model, instance=self.instance)
+
+            def check_and_update_obj(obj):
+                if not isinstance(obj, self.model):
+                    raise TypeError(
+                        "'%s' instance expected, got %r"
+                        % (
+                            self.model._meta.object_name,
+                            obj,
+                        )
+                    )
+                setattr(obj, self.field.name, self.instance)
+
+            if bulk:
+                pks = []
+                for obj in objs:
+                    check_and_update_obj(obj)
+                    if obj._state.adding or obj._state.db != db:
+                        raise ValueError(
+                            "%r instance isn't saved. Use bulk=False or save "
+                            "the object first." % obj
+                        )
+                    pks.append(obj.pk)
+                self.model._base_manager.using(db).filter(pk__in=pks).update(
+                    **{
+                        self.field.name: self.instance,
+                    }
+                )
+            else:
+                with transaction.atomic(using=db, savepoint=False):
+                    for obj in objs:
+                        check_and_update_obj(obj)
+                        obj.save()
+
+        add.alters_data = True
+
+        async def aadd(self, *objs, bulk=True):
+            return await sync_to_async(self.add)(*objs, bulk=bulk)
+
+        aadd.alters_data = True
+
+        def create(self, **kwargs):
+            self._check_fk_val()
+            kwargs[self.field.name] = self.instance
+            db = router.db_for_write(self.model, instance=self.instance)
+            return super(RelatedManager, self.db_manager(db)).create(**kwargs)
+
+        create.alters_data = True
+
+        async def acreate(self, **kwargs):
+            return await sync_to_async(self.create)(**kwargs)
+
+        acreate.alters_data = True
+
+        def get_or_create(self, **kwargs):
+            self._check_fk_val()
+            kwargs[self.field.name] = self.instance
+            db = router.db_for_write(self.model, instance=self.instance)
+            return super(RelatedManager, self.db_manager(db)).get_or_create(**kwargs)
+
+        get_or_create.alters_data = True
+
+        async def aget_or_create(self, **kwargs):
+            return await sync_to_async(self.get_or_create)(**kwargs)
+
+        aget_or_create.alters_data = True
+
+        def update_or_create(self, **kwargs):
+            self._check_fk_val()
+            kwargs[self.field.name] = self.instance
+            db = router.db_for_write(self.model, instance=self.instance)
+            return super(RelatedManager, self.db_manager(db)).update_or_create(**kwargs)
+
+        update_or_create.alters_data = True
+
+        async def aupdate_or_create(self, **kwargs):
+            return await sync_to_async(self.update_or_create)(**kwargs)
+
+        aupdate_or_create.alters_data = True
+
+        # remove() and clear() are only provided if the ForeignKey can have a
+        # value of null.
+        if rel.field.null:
+
+            def remove(self, *objs, bulk=True):
+                if not objs:
+                    return
+                self._check_fk_val()
+                val = self.field.get_foreign_related_value(self.instance)
+                old_ids = set()
+                for obj in objs:
+                    if not isinstance(obj, self.model):
+                        raise TypeError(
+                            "'%s' instance expected, got %r"
+                            % (
+                                self.model._meta.object_name,
+                                obj,
+                            )
+                        )
+                    # Is obj actually part of this descriptor set?
+                    if self.field.get_local_related_value(obj) == val:
+                        old_ids.add(obj.pk)
+                    else:
+                        raise self.field.remote_field.model.DoesNotExist(
+                            "%r is not related to %r." % (obj, self.instance)
+                        )
+                self._clear(self.filter(pk__in=old_ids), bulk)
+
+            remove.alters_data = True
+
+            async def aremove(self, *objs, bulk=True):
+                return await sync_to_async(self.remove)(*objs, bulk=bulk)
+
+            aremove.alters_data = True
+
+            def clear(self, *, bulk=True):
+                self._check_fk_val()
+                self._clear(self, bulk)
+
+            clear.alters_data = True
+
+            async def aclear(self, *, bulk=True):
+                return await sync_to_async(self.clear)(bulk=bulk)
+
+            aclear.alters_data = True
+
+            def _clear(self, queryset, bulk):
+                self._remove_prefetched_objects()
+                db = router.db_for_write(self.model, instance=self.instance)
+                queryset = queryset.using(db)
+                if bulk:
+                    # `QuerySet.update()` is intrinsically atomic.
+                    queryset.update(**{self.field.name: None})
+                else:
+                    with transaction.atomic(using=db, savepoint=False):
+                        for obj in queryset:
+                            setattr(obj, self.field.name, None)
+                            obj.save(update_fields=[self.field.name])
+
+            _clear.alters_data = True
+
+        def set(self, objs, *, bulk=True, clear=False):
+            self._check_fk_val()
+            # Force evaluation of `objs` in case it's a queryset whose value
+            # could be affected by `manager.clear()`. Refs #19816.
+            objs = tuple(objs)
+
+            if self.field.null:
+                db = router.db_for_write(self.model, instance=self.instance)
+                with transaction.atomic(using=db, savepoint=False):
+                    if clear:
+                        self.clear(bulk=bulk)
+                        self.add(*objs, bulk=bulk)
+                    else:
+                        old_objs = set(self.using(db).all())
+                        new_objs = []
+                        for obj in objs:
+                            if obj in old_objs:
+                                old_objs.remove(obj)
+                            else:
+                                new_objs.append(obj)
+
+                        self.remove(*old_objs, bulk=bulk)
+                        self.add(*new_objs, bulk=bulk)
+            else:
+                self.add(*objs, bulk=bulk)
+
+        set.alters_data = True
+
+        async def aset(self, objs, *, bulk=True, clear=False):
+            return await sync_to_async(self.set)(objs=objs, bulk=bulk, clear=clear)
+
+        aset.alters_data = True
+
+    return RelatedManager
+
+
+class ManyToManyDescriptor(ReverseManyToOneDescriptor):
+    """
+    Accessor to the related objects manager on the forward and reverse sides of
+    a many-to-many relation.
+
+    In the example::
+
+        class Pizza(Model):
+            toppings = ManyToManyField(Topping, related_name='pizzas')
+
+    ``Pizza.toppings`` and ``Topping.pizzas`` are ``ManyToManyDescriptor``
+    instances.
+
+    Most of the implementation is delegated to a dynamically defined manager
+    class built by ``create_forward_many_to_many_manager()`` defined below.
+    """
+
+    def __init__(self, rel, reverse=False):
+        super().__init__(rel)
+
+        self.reverse = reverse
+
+    @property
+    def through(self):
+        # through is provided so that you have easy access to the through
+        # model (Book.authors.through) for inlines, etc. This is done as
+        # a property to ensure that the fully resolved value is returned.
+        return self.rel.through
+
+    @cached_property
+    def related_manager_cls(self):
+        related_model = self.rel.related_model if self.reverse else self.rel.model
+
+        return create_forward_many_to_many_manager(
+            related_model._default_manager.__class__,
+            self.rel,
+            reverse=self.reverse,
+        )
+
+    def _get_set_deprecation_msg_params(self):
+        return (
+            "%s side of a many-to-many set"
+            % ("reverse" if self.reverse else "forward"),
+            self.rel.get_accessor_name() if self.reverse else self.field.name,
+        )
+
+
+def create_forward_many_to_many_manager(superclass, rel, reverse):
+    """
+    Create a manager for the either side of a many-to-many relation.
+
+    This manager subclasses another manager, generally the default manager of
+    the related model, and adds behaviors specific to many-to-many relations.
+    """
+
+    class ManyRelatedManager(superclass, AltersData):
+        def __init__(self, instance=None):
+            super().__init__()
+
+            self.instance = instance
+
+            if not reverse:
+                self.model = rel.model
+                self.query_field_name = rel.field.related_query_name()
+                self.prefetch_cache_name = rel.field.name
+                self.source_field_name = rel.field.m2m_field_name()
+                self.target_field_name = rel.field.m2m_reverse_field_name()
+                self.symmetrical = rel.symmetrical
+            else:
+                self.model = rel.related_model
+                self.query_field_name = rel.field.name
+                self.prefetch_cache_name = rel.field.related_query_name()
+                self.source_field_name = rel.field.m2m_reverse_field_name()
+                self.target_field_name = rel.field.m2m_field_name()
+                self.symmetrical = False
+
+            self.through = rel.through
+            self.reverse = reverse
+
+            self.source_field = self.through._meta.get_field(self.source_field_name)
+            self.target_field = self.through._meta.get_field(self.target_field_name)
+
+            self.core_filters = {}
+            self.pk_field_names = {}
+            for lh_field, rh_field in self.source_field.related_fields:
+                core_filter_key = "%s__%s" % (self.query_field_name, rh_field.name)
+                self.core_filters[core_filter_key] = getattr(instance, rh_field.attname)
+                self.pk_field_names[lh_field.name] = rh_field.name
+
+            self.related_val = self.source_field.get_foreign_related_value(instance)
+            if None in self.related_val:
+                raise ValueError(
+                    '"%r" needs to have a value for field "%s" before '
+                    "this many-to-many relationship can be used."
+                    % (instance, self.pk_field_names[self.source_field_name])
+                )
+            # Even if this relation is not to pk, we require still pk value.
+            # The wish is that the instance has been already saved to DB,
+            # although having a pk value isn't a guarantee of that.
+            if instance.pk is None:
+                raise ValueError(
+                    "%r instance needs to have a primary key value before "
+                    "a many-to-many relationship can be used."
+                    % instance.__class__.__name__
+                )
+
+        def __call__(self, *, manager):
+            manager = getattr(self.model, manager)
+            manager_class = create_forward_many_to_many_manager(
+                manager.__class__, rel, reverse
+            )
+            return manager_class(instance=self.instance)
+
+        do_not_call_in_templates = True
+
+        def _build_remove_filters(self, removed_vals):
+            filters = Q.create([(self.source_field_name, self.related_val)])
+            # No need to add a subquery condition if removed_vals is a QuerySet without
+            # filters.
+            removed_vals_filters = (
+                not isinstance(removed_vals, QuerySet) or removed_vals._has_filters()
+            )
+            if removed_vals_filters:
+                filters &= Q.create([(f"{self.target_field_name}__in", removed_vals)])
+            if self.symmetrical:
+                symmetrical_filters = Q.create(
+                    [(self.target_field_name, self.related_val)]
+                )
+                if removed_vals_filters:
+                    symmetrical_filters &= Q.create(
+                        [(f"{self.source_field_name}__in", removed_vals)]
+                    )
+                filters |= symmetrical_filters
+            return filters
+
+        def _apply_rel_filters(self, queryset):
+            """
+            Filter the queryset for the instance this manager is bound to.
+            """
+            queryset._add_hints(instance=self.instance)
+            if self._db:
+                queryset = queryset.using(self._db)
+            queryset._defer_next_filter = True
+            return queryset._next_is_sticky().filter(**self.core_filters)
+
+        def _remove_prefetched_objects(self):
+            try:
+                self.instance._prefetched_objects_cache.pop(self.prefetch_cache_name)
+            except (AttributeError, KeyError):
+                pass  # nothing to clear from cache
+
+        def get_queryset(self):
+            try:
+                return self.instance._prefetched_objects_cache[self.prefetch_cache_name]
+            except (AttributeError, KeyError):
+                queryset = super().get_queryset()
+                return self._apply_rel_filters(queryset)
+
+        def get_prefetch_queryset(self, instances, queryset=None):
+            warnings.warn(
+                "get_prefetch_queryset() is deprecated. Use get_prefetch_querysets() "
+                "instead.",
+                RemovedInDjango60Warning,
+                stacklevel=2,
+            )
+            if queryset is None:
+                return self.get_prefetch_querysets(instances)
+            return self.get_prefetch_querysets(instances, [queryset])
+
+        def get_prefetch_querysets(self, instances, querysets=None):
+            if querysets and len(querysets) != 1:
+                raise ValueError(
+                    "querysets argument of get_prefetch_querysets() should have a "
+                    "length of 1."
+                )
+            queryset = querysets[0] if querysets else super().get_queryset()
+            queryset._add_hints(instance=instances[0])
+            queryset = queryset.using(queryset._db or self._db)
+            queryset = _filter_prefetch_queryset(
+                queryset._next_is_sticky(), self.query_field_name, instances
+            )
+
+            # M2M: need to annotate the query in order to get the primary model
+            # that the secondary model was actually related to. We know that
+            # there will already be a join on the join table, so we can just add
+            # the select.
+
+            # For non-autocreated 'through' models, can't assume we are
+            # dealing with PK values.
+            fk = self.through._meta.get_field(self.source_field_name)
+            join_table = fk.model._meta.db_table
+            connection = connections[queryset.db]
+            qn = connection.ops.quote_name
+            queryset = queryset.extra(
+                select={
+                    "_prefetch_related_val_%s"
+                    % f.attname: "%s.%s"
+                    % (qn(join_table), qn(f.column))
+                    for f in fk.local_related_fields
+                }
+            )
+            return (
+                queryset,
+                lambda result: tuple(
+                    f.get_db_prep_value(
+                        getattr(result, f"_prefetch_related_val_{f.attname}"),
+                        connection,
+                    )
+                    for f in fk.local_related_fields
+                ),
+                lambda inst: tuple(
+                    f.get_db_prep_value(getattr(inst, f.attname), connection)
+                    for f in fk.foreign_related_fields
+                ),
+                False,
+                self.prefetch_cache_name,
+                False,
+            )
+
+        def add(self, *objs, through_defaults=None):
+            self._remove_prefetched_objects()
+            db = router.db_for_write(self.through, instance=self.instance)
+            with transaction.atomic(using=db, savepoint=False):
+                self._add_items(
+                    self.source_field_name,
+                    self.target_field_name,
+                    *objs,
+                    through_defaults=through_defaults,
+                )
+                # If this is a symmetrical m2m relation to self, add the mirror
+                # entry in the m2m table.
+                if self.symmetrical:
+                    self._add_items(
+                        self.target_field_name,
+                        self.source_field_name,
+                        *objs,
+                        through_defaults=through_defaults,
+                    )
+
+        add.alters_data = True
+
+        async def aadd(self, *objs, through_defaults=None):
+            return await sync_to_async(self.add)(
+                *objs, through_defaults=through_defaults
+            )
+
+        aadd.alters_data = True
+
+        def remove(self, *objs):
+            self._remove_prefetched_objects()
+            self._remove_items(self.source_field_name, self.target_field_name, *objs)
+
+        remove.alters_data = True
+
+        async def aremove(self, *objs):
+            return await sync_to_async(self.remove)(*objs)
+
+        aremove.alters_data = True
+
+        def clear(self):
+            db = router.db_for_write(self.through, instance=self.instance)
+            with transaction.atomic(using=db, savepoint=False):
+                signals.m2m_changed.send(
+                    sender=self.through,
+                    action="pre_clear",
+                    instance=self.instance,
+                    reverse=self.reverse,
+                    model=self.model,
+                    pk_set=None,
+                    using=db,
+                )
+                self._remove_prefetched_objects()
+                filters = self._build_remove_filters(super().get_queryset().using(db))
+                self.through._default_manager.using(db).filter(filters).delete()
+
+                signals.m2m_changed.send(
+                    sender=self.through,
+                    action="post_clear",
+                    instance=self.instance,
+                    reverse=self.reverse,
+                    model=self.model,
+                    pk_set=None,
+                    using=db,
+                )
+
+        clear.alters_data = True
+
+        async def aclear(self):
+            return await sync_to_async(self.clear)()
+
+        aclear.alters_data = True
+
+        def set(self, objs, *, clear=False, through_defaults=None):
+            # Force evaluation of `objs` in case it's a queryset whose value
+            # could be affected by `manager.clear()`. Refs #19816.
+            objs = tuple(objs)
+
+            db = router.db_for_write(self.through, instance=self.instance)
+            with transaction.atomic(using=db, savepoint=False):
+                if clear:
+                    self.clear()
+                    self.add(*objs, through_defaults=through_defaults)
+                else:
+                    old_ids = set(
+                        self.using(db).values_list(
+                            self.target_field.target_field.attname, flat=True
+                        )
+                    )
+
+                    new_objs = []
+                    for obj in objs:
+                        fk_val = (
+                            self.target_field.get_foreign_related_value(obj)[0]
+                            if isinstance(obj, self.model)
+                            else self.target_field.get_prep_value(obj)
+                        )
+                        if fk_val in old_ids:
+                            old_ids.remove(fk_val)
+                        else:
+                            new_objs.append(obj)
+
+                    self.remove(*old_ids)
+                    self.add(*new_objs, through_defaults=through_defaults)
+
+        set.alters_data = True
+
+        async def aset(self, objs, *, clear=False, through_defaults=None):
+            return await sync_to_async(self.set)(
+                objs=objs, clear=clear, through_defaults=through_defaults
+            )
+
+        aset.alters_data = True
+
+        def create(self, *, through_defaults=None, **kwargs):
+            db = router.db_for_write(self.instance.__class__, instance=self.instance)
+            new_obj = super(ManyRelatedManager, self.db_manager(db)).create(**kwargs)
+            self.add(new_obj, through_defaults=through_defaults)
+            return new_obj
+
+        create.alters_data = True
+
+        async def acreate(self, *, through_defaults=None, **kwargs):
+            return await sync_to_async(self.create)(
+                through_defaults=through_defaults, **kwargs
+            )
+
+        acreate.alters_data = True
+
+        def get_or_create(self, *, through_defaults=None, **kwargs):
+            db = router.db_for_write(self.instance.__class__, instance=self.instance)
+            obj, created = super(ManyRelatedManager, self.db_manager(db)).get_or_create(
+                **kwargs
+            )
+            # We only need to add() if created because if we got an object back
+            # from get() then the relationship already exists.
+            if created:
+                self.add(obj, through_defaults=through_defaults)
+            return obj, created
+
+        get_or_create.alters_data = True
+
+        async def aget_or_create(self, *, through_defaults=None, **kwargs):
+            return await sync_to_async(self.get_or_create)(
+                through_defaults=through_defaults, **kwargs
+            )
+
+        aget_or_create.alters_data = True
+
+        def update_or_create(self, *, through_defaults=None, **kwargs):
+            db = router.db_for_write(self.instance.__class__, instance=self.instance)
+            obj, created = super(
+                ManyRelatedManager, self.db_manager(db)
+            ).update_or_create(**kwargs)
+            # We only need to add() if created because if we got an object back
+            # from get() then the relationship already exists.
+            if created:
+                self.add(obj, through_defaults=through_defaults)
+            return obj, created
+
+        update_or_create.alters_data = True
+
+        async def aupdate_or_create(self, *, through_defaults=None, **kwargs):
+            return await sync_to_async(self.update_or_create)(
+                through_defaults=through_defaults, **kwargs
+            )
+
+        aupdate_or_create.alters_data = True
+
+        def _get_target_ids(self, target_field_name, objs):
+            """
+            Return the set of ids of `objs` that the target field references.
+            """
+            from django.db.models import Model
+
+            target_ids = set()
+            target_field = self.through._meta.get_field(target_field_name)
+            for obj in objs:
+                if isinstance(obj, self.model):
+                    if not router.allow_relation(obj, self.instance):
+                        raise ValueError(
+                            'Cannot add "%r": instance is on database "%s", '
+                            'value is on database "%s"'
+                            % (obj, self.instance._state.db, obj._state.db)
+                        )
+                    target_id = target_field.get_foreign_related_value(obj)[0]
+                    if target_id is None:
+                        raise ValueError(
+                            'Cannot add "%r": the value for field "%s" is None'
+                            % (obj, target_field_name)
+                        )
+                    target_ids.add(target_id)
+                elif isinstance(obj, Model):
+                    raise TypeError(
+                        "'%s' instance expected, got %r"
+                        % (self.model._meta.object_name, obj)
+                    )
+                else:
+                    target_ids.add(target_field.get_prep_value(obj))
+            return target_ids
+
+        def _get_missing_target_ids(
+            self, source_field_name, target_field_name, db, target_ids
+        ):
+            """
+            Return the subset of ids of `objs` that aren't already assigned to
+            this relationship.
+            """
+            vals = (
+                self.through._default_manager.using(db)
+                .values_list(target_field_name, flat=True)
+                .filter(
+                    **{
+                        source_field_name: self.related_val[0],
+                        "%s__in" % target_field_name: target_ids,
+                    }
+                )
+            )
+            return target_ids.difference(vals)
+
+        def _get_add_plan(self, db, source_field_name):
+            """
+            Return a boolean triple of the way the add should be performed.
+
+            The first element is whether or not bulk_create(ignore_conflicts)
+            can be used, the second whether or not signals must be sent, and
+            the third element is whether or not the immediate bulk insertion
+            with conflicts ignored can be performed.
+            """
+            # Conflicts can be ignored when the intermediary model is
+            # auto-created as the only possible collision is on the
+            # (source_id, target_id) tuple. The same assertion doesn't hold for
+            # user-defined intermediary models as they could have other fields
+            # causing conflicts which must be surfaced.
+            can_ignore_conflicts = (
+                self.through._meta.auto_created is not False
+                and connections[db].features.supports_ignore_conflicts
+            )
+            # Don't send the signal when inserting duplicate data row
+            # for symmetrical reverse entries.
+            must_send_signals = (
+                self.reverse or source_field_name == self.source_field_name
+            ) and (signals.m2m_changed.has_listeners(self.through))
+            # Fast addition through bulk insertion can only be performed
+            # if no m2m_changed listeners are connected for self.through
+            # as they require the added set of ids to be provided via
+            # pk_set.
+            return (
+                can_ignore_conflicts,
+                must_send_signals,
+                (can_ignore_conflicts and not must_send_signals),
+            )
+
+        def _add_items(
+            self, source_field_name, target_field_name, *objs, through_defaults=None
+        ):
+            # source_field_name: the PK fieldname in join table for the source object
+            # target_field_name: the PK fieldname in join table for the target object
+            # *objs - objects to add. Either object instances, or primary keys
+            # of object instances.
+            if not objs:
+                return
+
+            through_defaults = dict(resolve_callables(through_defaults or {}))
+            target_ids = self._get_target_ids(target_field_name, objs)
+            db = router.db_for_write(self.through, instance=self.instance)
+            can_ignore_conflicts, must_send_signals, can_fast_add = self._get_add_plan(
+                db, source_field_name
+            )
+            if can_fast_add:
+                self.through._default_manager.using(db).bulk_create(
+                    [
+                        self.through(
+                            **{
+                                "%s_id" % source_field_name: self.related_val[0],
+                                "%s_id" % target_field_name: target_id,
+                            }
+                        )
+                        for target_id in target_ids
+                    ],
+                    ignore_conflicts=True,
+                )
+                return
+
+            missing_target_ids = self._get_missing_target_ids(
+                source_field_name, target_field_name, db, target_ids
+            )
+            with transaction.atomic(using=db, savepoint=False):
+                if must_send_signals:
+                    signals.m2m_changed.send(
+                        sender=self.through,
+                        action="pre_add",
+                        instance=self.instance,
+                        reverse=self.reverse,
+                        model=self.model,
+                        pk_set=missing_target_ids,
+                        using=db,
+                    )
+                # Add the ones that aren't there already.
+                self.through._default_manager.using(db).bulk_create(
+                    [
+                        self.through(
+                            **through_defaults,
+                            **{
+                                "%s_id" % source_field_name: self.related_val[0],
+                                "%s_id" % target_field_name: target_id,
+                            },
+                        )
+                        for target_id in missing_target_ids
+                    ],
+                    ignore_conflicts=can_ignore_conflicts,
+                )
+
+                if must_send_signals:
+                    signals.m2m_changed.send(
+                        sender=self.through,
+                        action="post_add",
+                        instance=self.instance,
+                        reverse=self.reverse,
+                        model=self.model,
+                        pk_set=missing_target_ids,
+                        using=db,
+                    )
+
+        def _remove_items(self, source_field_name, target_field_name, *objs):
+            # source_field_name: the PK colname in join table for the source object
+            # target_field_name: the PK colname in join table for the target object
+            # *objs - objects to remove. Either object instances, or primary
+            # keys of object instances.
+            if not objs:
+                return
+
+            # Check that all the objects are of the right type
+            old_ids = set()
+            for obj in objs:
+                if isinstance(obj, self.model):
+                    fk_val = self.target_field.get_foreign_related_value(obj)[0]
+                    old_ids.add(fk_val)
+                else:
+                    old_ids.add(obj)
+
+            db = router.db_for_write(self.through, instance=self.instance)
+            with transaction.atomic(using=db, savepoint=False):
+                # Send a signal to the other end if need be.
+                signals.m2m_changed.send(
+                    sender=self.through,
+                    action="pre_remove",
+                    instance=self.instance,
+                    reverse=self.reverse,
+                    model=self.model,
+                    pk_set=old_ids,
+                    using=db,
+                )
+                target_model_qs = super().get_queryset()
+                if target_model_qs._has_filters():
+                    old_vals = target_model_qs.using(db).filter(
+                        **{"%s__in" % self.target_field.target_field.attname: old_ids}
+                    )
+                else:
+                    old_vals = old_ids
+                filters = self._build_remove_filters(old_vals)
+                self.through._default_manager.using(db).filter(filters).delete()
+
+                signals.m2m_changed.send(
+                    sender=self.through,
+                    action="post_remove",
+                    instance=self.instance,
+                    reverse=self.reverse,
+                    model=self.model,
+                    pk_set=old_ids,
+                    using=db,
+                )
+
+    return ManyRelatedManager
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related_lookups.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related_lookups.py
new file mode 100644
index 00000000..07a06e16
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/related_lookups.py
@@ -0,0 +1,199 @@
+from django.db.models.lookups import (
+    Exact,
+    GreaterThan,
+    GreaterThanOrEqual,
+    In,
+    IsNull,
+    LessThan,
+    LessThanOrEqual,
+)
+
+
+class MultiColSource:
+    contains_aggregate = False
+    contains_over_clause = False
+
+    def __init__(self, alias, targets, sources, field):
+        self.targets, self.sources, self.field, self.alias = (
+            targets,
+            sources,
+            field,
+            alias,
+        )
+        self.output_field = self.field
+
+    def __repr__(self):
+        return "{}({}, {})".format(self.__class__.__name__, self.alias, self.field)
+
+    def relabeled_clone(self, relabels):
+        return self.__class__(
+            relabels.get(self.alias, self.alias), self.targets, self.sources, self.field
+        )
+
+    def get_lookup(self, lookup):
+        return self.output_field.get_lookup(lookup)
+
+    def resolve_expression(self, *args, **kwargs):
+        return self
+
+
+def get_normalized_value(value, lhs):
+    from django.db.models import Model
+
+    if isinstance(value, Model):
+        if value.pk is None:
+            raise ValueError("Model instances passed to related filters must be saved.")
+        value_list = []
+        sources = lhs.output_field.path_infos[-1].target_fields
+        for source in sources:
+            while not isinstance(value, source.model) and source.remote_field:
+                source = source.remote_field.model._meta.get_field(
+                    source.remote_field.field_name
+                )
+            try:
+                value_list.append(getattr(value, source.attname))
+            except AttributeError:
+                # A case like Restaurant.objects.filter(place=restaurant_instance),
+                # where place is a OneToOneField and the primary key of Restaurant.
+                return (value.pk,)
+        return tuple(value_list)
+    if not isinstance(value, tuple):
+        return (value,)
+    return value
+
+
+class RelatedIn(In):
+    def get_prep_lookup(self):
+        if not isinstance(self.lhs, MultiColSource):
+            if self.rhs_is_direct_value():
+                # If we get here, we are dealing with single-column relations.
+                self.rhs = [get_normalized_value(val, self.lhs)[0] for val in self.rhs]
+                # We need to run the related field's get_prep_value(). Consider
+                # case ForeignKey to IntegerField given value 'abc'. The
+                # ForeignKey itself doesn't have validation for non-integers,
+                # so we must run validation using the target field.
+                if hasattr(self.lhs.output_field, "path_infos"):
+                    # Run the target field's get_prep_value. We can safely
+                    # assume there is only one as we don't get to the direct
+                    # value branch otherwise.
+                    target_field = self.lhs.output_field.path_infos[-1].target_fields[
+                        -1
+                    ]
+                    self.rhs = [target_field.get_prep_value(v) for v in self.rhs]
+            elif not getattr(self.rhs, "has_select_fields", True) and not getattr(
+                self.lhs.field.target_field, "primary_key", False
+            ):
+                if (
+                    getattr(self.lhs.output_field, "primary_key", False)
+                    and self.lhs.output_field.model == self.rhs.model
+                ):
+                    # A case like
+                    # Restaurant.objects.filter(place__in=restaurant_qs), where
+                    # place is a OneToOneField and the primary key of
+                    # Restaurant.
+                    target_field = self.lhs.field.name
+                else:
+                    target_field = self.lhs.field.target_field.name
+                self.rhs.set_values([target_field])
+        return super().get_prep_lookup()
+
+    def as_sql(self, compiler, connection):
+        if isinstance(self.lhs, MultiColSource):
+            # For multicolumn lookups we need to build a multicolumn where clause.
+            # This clause is either a SubqueryConstraint (for values that need
+            # to be compiled to SQL) or an OR-combined list of
+            # (col1 = val1 AND col2 = val2 AND ...) clauses.
+            from django.db.models.sql.where import (
+                AND,
+                OR,
+                SubqueryConstraint,
+                WhereNode,
+            )
+
+            root_constraint = WhereNode(connector=OR)
+            if self.rhs_is_direct_value():
+                values = [get_normalized_value(value, self.lhs) for value in self.rhs]
+                for value in values:
+                    value_constraint = WhereNode()
+                    for source, target, val in zip(
+                        self.lhs.sources, self.lhs.targets, value
+                    ):
+                        lookup_class = target.get_lookup("exact")
+                        lookup = lookup_class(
+                            target.get_col(self.lhs.alias, source), val
+                        )
+                        value_constraint.add(lookup, AND)
+                    root_constraint.add(value_constraint, OR)
+            else:
+                root_constraint.add(
+                    SubqueryConstraint(
+                        self.lhs.alias,
+                        [target.column for target in self.lhs.targets],
+                        [source.name for source in self.lhs.sources],
+                        self.rhs,
+                    ),
+                    AND,
+                )
+            return root_constraint.as_sql(compiler, connection)
+        return super().as_sql(compiler, connection)
+
+
+class RelatedLookupMixin:
+    def get_prep_lookup(self):
+        if not isinstance(self.lhs, MultiColSource) and not hasattr(
+            self.rhs, "resolve_expression"
+        ):
+            # If we get here, we are dealing with single-column relations.
+            self.rhs = get_normalized_value(self.rhs, self.lhs)[0]
+            # We need to run the related field's get_prep_value(). Consider case
+            # ForeignKey to IntegerField given value 'abc'. The ForeignKey itself
+            # doesn't have validation for non-integers, so we must run validation
+            # using the target field.
+            if self.prepare_rhs and hasattr(self.lhs.output_field, "path_infos"):
+                # Get the target field. We can safely assume there is only one
+                # as we don't get to the direct value branch otherwise.
+                target_field = self.lhs.output_field.path_infos[-1].target_fields[-1]
+                self.rhs = target_field.get_prep_value(self.rhs)
+
+        return super().get_prep_lookup()
+
+    def as_sql(self, compiler, connection):
+        if isinstance(self.lhs, MultiColSource):
+            assert self.rhs_is_direct_value()
+            self.rhs = get_normalized_value(self.rhs, self.lhs)
+            from django.db.models.sql.where import AND, WhereNode
+
+            root_constraint = WhereNode()
+            for target, source, val in zip(
+                self.lhs.targets, self.lhs.sources, self.rhs
+            ):
+                lookup_class = target.get_lookup(self.lookup_name)
+                root_constraint.add(
+                    lookup_class(target.get_col(self.lhs.alias, source), val), AND
+                )
+            return root_constraint.as_sql(compiler, connection)
+        return super().as_sql(compiler, connection)
+
+
+class RelatedExact(RelatedLookupMixin, Exact):
+    pass
+
+
+class RelatedLessThan(RelatedLookupMixin, LessThan):
+    pass
+
+
+class RelatedGreaterThan(RelatedLookupMixin, GreaterThan):
+    pass
+
+
+class RelatedGreaterThanOrEqual(RelatedLookupMixin, GreaterThanOrEqual):
+    pass
+
+
+class RelatedLessThanOrEqual(RelatedLookupMixin, LessThanOrEqual):
+    pass
+
+
+class RelatedIsNull(RelatedLookupMixin, IsNull):
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/reverse_related.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/reverse_related.py
new file mode 100644
index 00000000..144cce61
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/fields/reverse_related.py
@@ -0,0 +1,413 @@
+"""
+"Rel objects" for related fields.
+
+"Rel objects" (for lack of a better name) carry information about the relation
+modeled by a related field and provide some utility functions. They're stored
+in the ``remote_field`` attribute of the field.
+
+They also act as reverse fields for the purposes of the Meta API because
+they're the closest concept currently available.
+"""
+
+import warnings
+
+from django.core import exceptions
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import cached_property
+from django.utils.hashable import make_hashable
+
+from . import BLANK_CHOICE_DASH
+from .mixins import FieldCacheMixin
+
+
+class ForeignObjectRel(FieldCacheMixin):
+    """
+    Used by ForeignObject to store information about the relation.
+
+    ``_meta.get_fields()`` returns this class to provide access to the field
+    flags for the reverse relation.
+    """
+
+    # Field flags
+    auto_created = True
+    concrete = False
+    editable = False
+    is_relation = True
+
+    # Reverse relations are always nullable (Django can't enforce that a
+    # foreign key on the related model points to this model).
+    null = True
+    empty_strings_allowed = False
+
+    def __init__(
+        self,
+        field,
+        to,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        parent_link=False,
+        on_delete=None,
+    ):
+        self.field = field
+        self.model = to
+        self.related_name = related_name
+        self.related_query_name = related_query_name
+        self.limit_choices_to = {} if limit_choices_to is None else limit_choices_to
+        self.parent_link = parent_link
+        self.on_delete = on_delete
+
+        self.symmetrical = False
+        self.multiple = True
+
+    # Some of the following cached_properties can't be initialized in
+    # __init__ as the field doesn't have its model yet. Calling these methods
+    # before field.contribute_to_class() has been called will result in
+    # AttributeError
+    @cached_property
+    def hidden(self):
+        return self.is_hidden()
+
+    @cached_property
+    def name(self):
+        return self.field.related_query_name()
+
+    @property
+    def remote_field(self):
+        return self.field
+
+    @property
+    def target_field(self):
+        """
+        When filtering against this relation, return the field on the remote
+        model against which the filtering should happen.
+        """
+        target_fields = self.path_infos[-1].target_fields
+        if len(target_fields) > 1:
+            raise exceptions.FieldError(
+                "Can't use target_field for multicolumn relations."
+            )
+        return target_fields[0]
+
+    @cached_property
+    def related_model(self):
+        if not self.field.model:
+            raise AttributeError(
+                "This property can't be accessed before self.field.contribute_to_class "
+                "has been called."
+            )
+        return self.field.model
+
+    @cached_property
+    def many_to_many(self):
+        return self.field.many_to_many
+
+    @cached_property
+    def many_to_one(self):
+        return self.field.one_to_many
+
+    @cached_property
+    def one_to_many(self):
+        return self.field.many_to_one
+
+    @cached_property
+    def one_to_one(self):
+        return self.field.one_to_one
+
+    def get_lookup(self, lookup_name):
+        return self.field.get_lookup(lookup_name)
+
+    def get_lookups(self):
+        return self.field.get_lookups()
+
+    def get_transform(self, name):
+        return self.field.get_transform(name)
+
+    def get_internal_type(self):
+        return self.field.get_internal_type()
+
+    @property
+    def db_type(self):
+        return self.field.db_type
+
+    def __repr__(self):
+        return "<%s: %s.%s>" % (
+            type(self).__name__,
+            self.related_model._meta.app_label,
+            self.related_model._meta.model_name,
+        )
+
+    @property
+    def identity(self):
+        return (
+            self.field,
+            self.model,
+            self.related_name,
+            self.related_query_name,
+            make_hashable(self.limit_choices_to),
+            self.parent_link,
+            self.on_delete,
+            self.symmetrical,
+            self.multiple,
+        )
+
+    def __eq__(self, other):
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        return self.identity == other.identity
+
+    def __hash__(self):
+        return hash(self.identity)
+
+    def __getstate__(self):
+        state = self.__dict__.copy()
+        # Delete the path_infos cached property because it can be recalculated
+        # at first invocation after deserialization. The attribute must be
+        # removed because subclasses like ManyToOneRel may have a PathInfo
+        # which contains an intermediate M2M table that's been dynamically
+        # created and doesn't exist in the .models module.
+        # This is a reverse relation, so there is no reverse_path_infos to
+        # delete.
+        state.pop("path_infos", None)
+        return state
+
+    def get_choices(
+        self,
+        include_blank=True,
+        blank_choice=BLANK_CHOICE_DASH,
+        limit_choices_to=None,
+        ordering=(),
+    ):
+        """
+        Return choices with a default blank choices included, for use
+        as <select> choices for this field.
+
+        Analog of django.db.models.fields.Field.get_choices(), provided
+        initially for utilization by RelatedFieldListFilter.
+        """
+        limit_choices_to = limit_choices_to or self.limit_choices_to
+        qs = self.related_model._default_manager.complex_filter(limit_choices_to)
+        if ordering:
+            qs = qs.order_by(*ordering)
+        return (blank_choice if include_blank else []) + [(x.pk, str(x)) for x in qs]
+
+    def is_hidden(self):
+        """Should the related object be hidden?"""
+        return bool(self.related_name) and self.related_name[-1] == "+"
+
+    def get_joining_columns(self):
+        warnings.warn(
+            "ForeignObjectRel.get_joining_columns() is deprecated. Use "
+            "get_joining_fields() instead.",
+            RemovedInDjango60Warning,
+        )
+        return self.field.get_reverse_joining_columns()
+
+    def get_joining_fields(self):
+        return self.field.get_reverse_joining_fields()
+
+    def get_extra_restriction(self, alias, related_alias):
+        return self.field.get_extra_restriction(related_alias, alias)
+
+    def set_field_name(self):
+        """
+        Set the related field's name, this is not available until later stages
+        of app loading, so set_field_name is called from
+        set_attributes_from_rel()
+        """
+        # By default foreign object doesn't relate to any remote field (for
+        # example custom multicolumn joins currently have no remote field).
+        self.field_name = None
+
+    def get_accessor_name(self, model=None):
+        # This method encapsulates the logic that decides what name to give an
+        # accessor descriptor that retrieves related many-to-one or
+        # many-to-many objects. It uses the lowercased object_name + "_set",
+        # but this can be overridden with the "related_name" option. Due to
+        # backwards compatibility ModelForms need to be able to provide an
+        # alternate model. See BaseInlineFormSet.get_default_prefix().
+        opts = model._meta if model else self.related_model._meta
+        model = model or self.related_model
+        if self.multiple:
+            # If this is a symmetrical m2m relation on self, there is no
+            # reverse accessor.
+            if self.symmetrical and model == self.model:
+                return None
+        if self.related_name:
+            return self.related_name
+        return opts.model_name + ("_set" if self.multiple else "")
+
+    def get_path_info(self, filtered_relation=None):
+        if filtered_relation:
+            return self.field.get_reverse_path_info(filtered_relation)
+        else:
+            return self.field.reverse_path_infos
+
+    @cached_property
+    def path_infos(self):
+        return self.get_path_info()
+
+    def get_cache_name(self):
+        """
+        Return the name of the cache key to use for storing an instance of the
+        forward model on the reverse model.
+        """
+        return self.get_accessor_name()
+
+
+class ManyToOneRel(ForeignObjectRel):
+    """
+    Used by the ForeignKey field to store information about the relation.
+
+    ``_meta.get_fields()`` returns this class to provide access to the field
+    flags for the reverse relation.
+
+    Note: Because we somewhat abuse the Rel objects by using them as reverse
+    fields we get the funny situation where
+    ``ManyToOneRel.many_to_one == False`` and
+    ``ManyToOneRel.one_to_many == True``. This is unfortunate but the actual
+    ManyToOneRel class is a private API and there is work underway to turn
+    reverse relations into actual fields.
+    """
+
+    def __init__(
+        self,
+        field,
+        to,
+        field_name,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        parent_link=False,
+        on_delete=None,
+    ):
+        super().__init__(
+            field,
+            to,
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            parent_link=parent_link,
+            on_delete=on_delete,
+        )
+
+        self.field_name = field_name
+
+    def __getstate__(self):
+        state = super().__getstate__()
+        state.pop("related_model", None)
+        return state
+
+    @property
+    def identity(self):
+        return super().identity + (self.field_name,)
+
+    def get_related_field(self):
+        """
+        Return the Field in the 'to' object to which this relationship is tied.
+        """
+        field = self.model._meta.get_field(self.field_name)
+        if not field.concrete:
+            raise exceptions.FieldDoesNotExist(
+                "No related field named '%s'" % self.field_name
+            )
+        return field
+
+    def set_field_name(self):
+        self.field_name = self.field_name or self.model._meta.pk.name
+
+
+class OneToOneRel(ManyToOneRel):
+    """
+    Used by OneToOneField to store information about the relation.
+
+    ``_meta.get_fields()`` returns this class to provide access to the field
+    flags for the reverse relation.
+    """
+
+    def __init__(
+        self,
+        field,
+        to,
+        field_name,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        parent_link=False,
+        on_delete=None,
+    ):
+        super().__init__(
+            field,
+            to,
+            field_name,
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+            parent_link=parent_link,
+            on_delete=on_delete,
+        )
+
+        self.multiple = False
+
+
+class ManyToManyRel(ForeignObjectRel):
+    """
+    Used by ManyToManyField to store information about the relation.
+
+    ``_meta.get_fields()`` returns this class to provide access to the field
+    flags for the reverse relation.
+    """
+
+    def __init__(
+        self,
+        field,
+        to,
+        related_name=None,
+        related_query_name=None,
+        limit_choices_to=None,
+        symmetrical=True,
+        through=None,
+        through_fields=None,
+        db_constraint=True,
+    ):
+        super().__init__(
+            field,
+            to,
+            related_name=related_name,
+            related_query_name=related_query_name,
+            limit_choices_to=limit_choices_to,
+        )
+
+        if through and not db_constraint:
+            raise ValueError("Can't supply a through model and db_constraint=False")
+        self.through = through
+
+        if through_fields and not through:
+            raise ValueError("Cannot specify through_fields without a through model")
+        self.through_fields = through_fields
+
+        self.symmetrical = symmetrical
+        self.db_constraint = db_constraint
+
+    @property
+    def identity(self):
+        return super().identity + (
+            self.through,
+            make_hashable(self.through_fields),
+            self.db_constraint,
+        )
+
+    def get_related_field(self):
+        """
+        Return the field in the 'to' object to which this relationship is tied.
+        Provided for symmetry with ManyToOneRel.
+        """
+        opts = self.through._meta
+        if self.through_fields:
+            field = opts.get_field(self.through_fields[0])
+        else:
+            for field in opts.fields:
+                rel = getattr(field, "remote_field", None)
+                if rel and rel.model == self.model:
+                    break
+        return field.foreign_related_fields[0]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/__init__.py
new file mode 100644
index 00000000..cd7c8018
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/__init__.py
@@ -0,0 +1,190 @@
+from .comparison import Cast, Coalesce, Collate, Greatest, JSONObject, Least, NullIf
+from .datetime import (
+    Extract,
+    ExtractDay,
+    ExtractHour,
+    ExtractIsoWeekDay,
+    ExtractIsoYear,
+    ExtractMinute,
+    ExtractMonth,
+    ExtractQuarter,
+    ExtractSecond,
+    ExtractWeek,
+    ExtractWeekDay,
+    ExtractYear,
+    Now,
+    Trunc,
+    TruncDate,
+    TruncDay,
+    TruncHour,
+    TruncMinute,
+    TruncMonth,
+    TruncQuarter,
+    TruncSecond,
+    TruncTime,
+    TruncWeek,
+    TruncYear,
+)
+from .math import (
+    Abs,
+    ACos,
+    ASin,
+    ATan,
+    ATan2,
+    Ceil,
+    Cos,
+    Cot,
+    Degrees,
+    Exp,
+    Floor,
+    Ln,
+    Log,
+    Mod,
+    Pi,
+    Power,
+    Radians,
+    Random,
+    Round,
+    Sign,
+    Sin,
+    Sqrt,
+    Tan,
+)
+from .text import (
+    MD5,
+    SHA1,
+    SHA224,
+    SHA256,
+    SHA384,
+    SHA512,
+    Chr,
+    Concat,
+    ConcatPair,
+    Left,
+    Length,
+    Lower,
+    LPad,
+    LTrim,
+    Ord,
+    Repeat,
+    Replace,
+    Reverse,
+    Right,
+    RPad,
+    RTrim,
+    StrIndex,
+    Substr,
+    Trim,
+    Upper,
+)
+from .window import (
+    CumeDist,
+    DenseRank,
+    FirstValue,
+    Lag,
+    LastValue,
+    Lead,
+    NthValue,
+    Ntile,
+    PercentRank,
+    Rank,
+    RowNumber,
+)
+
+__all__ = [
+    # comparison and conversion
+    "Cast",
+    "Coalesce",
+    "Collate",
+    "Greatest",
+    "JSONObject",
+    "Least",
+    "NullIf",
+    # datetime
+    "Extract",
+    "ExtractDay",
+    "ExtractHour",
+    "ExtractMinute",
+    "ExtractMonth",
+    "ExtractQuarter",
+    "ExtractSecond",
+    "ExtractWeek",
+    "ExtractIsoWeekDay",
+    "ExtractWeekDay",
+    "ExtractIsoYear",
+    "ExtractYear",
+    "Now",
+    "Trunc",
+    "TruncDate",
+    "TruncDay",
+    "TruncHour",
+    "TruncMinute",
+    "TruncMonth",
+    "TruncQuarter",
+    "TruncSecond",
+    "TruncTime",
+    "TruncWeek",
+    "TruncYear",
+    # math
+    "Abs",
+    "ACos",
+    "ASin",
+    "ATan",
+    "ATan2",
+    "Ceil",
+    "Cos",
+    "Cot",
+    "Degrees",
+    "Exp",
+    "Floor",
+    "Ln",
+    "Log",
+    "Mod",
+    "Pi",
+    "Power",
+    "Radians",
+    "Random",
+    "Round",
+    "Sign",
+    "Sin",
+    "Sqrt",
+    "Tan",
+    # text
+    "MD5",
+    "SHA1",
+    "SHA224",
+    "SHA256",
+    "SHA384",
+    "SHA512",
+    "Chr",
+    "Concat",
+    "ConcatPair",
+    "Left",
+    "Length",
+    "Lower",
+    "LPad",
+    "LTrim",
+    "Ord",
+    "Repeat",
+    "Replace",
+    "Reverse",
+    "Right",
+    "RPad",
+    "RTrim",
+    "StrIndex",
+    "Substr",
+    "Trim",
+    "Upper",
+    # window
+    "CumeDist",
+    "DenseRank",
+    "FirstValue",
+    "Lag",
+    "LastValue",
+    "Lead",
+    "NthValue",
+    "Ntile",
+    "PercentRank",
+    "Rank",
+    "RowNumber",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/comparison.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/comparison.py
new file mode 100644
index 00000000..b3c02da2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/comparison.py
@@ -0,0 +1,222 @@
+"""Database functions that do comparisons or type conversions."""
+
+from django.db import NotSupportedError
+from django.db.models.expressions import Func, Value
+from django.db.models.fields import TextField
+from django.db.models.fields.json import JSONField
+from django.utils.regex_helper import _lazy_re_compile
+
+
+class Cast(Func):
+    """Coerce an expression to a new field type."""
+
+    function = "CAST"
+    template = "%(function)s(%(expressions)s AS %(db_type)s)"
+
+    def __init__(self, expression, output_field):
+        super().__init__(expression, output_field=output_field)
+
+    def as_sql(self, compiler, connection, **extra_context):
+        extra_context["db_type"] = self.output_field.cast_db_type(connection)
+        return super().as_sql(compiler, connection, **extra_context)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        db_type = self.output_field.db_type(connection)
+        if db_type in {"datetime", "time"}:
+            # Use strftime as datetime/time don't keep fractional seconds.
+            template = "strftime(%%s, %(expressions)s)"
+            sql, params = super().as_sql(
+                compiler, connection, template=template, **extra_context
+            )
+            format_string = "%H:%M:%f" if db_type == "time" else "%Y-%m-%d %H:%M:%f"
+            params.insert(0, format_string)
+            return sql, params
+        elif db_type == "date":
+            template = "date(%(expressions)s)"
+            return super().as_sql(
+                compiler, connection, template=template, **extra_context
+            )
+        return self.as_sql(compiler, connection, **extra_context)
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        template = None
+        output_type = self.output_field.get_internal_type()
+        # MySQL doesn't support explicit cast to float.
+        if output_type == "FloatField":
+            template = "(%(expressions)s + 0.0)"
+        # MariaDB doesn't support explicit cast to JSON.
+        elif output_type == "JSONField" and connection.mysql_is_mariadb:
+            template = "JSON_EXTRACT(%(expressions)s, '$')"
+        return self.as_sql(compiler, connection, template=template, **extra_context)
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        # CAST would be valid too, but the :: shortcut syntax is more readable.
+        # 'expressions' is wrapped in parentheses in case it's a complex
+        # expression.
+        return self.as_sql(
+            compiler,
+            connection,
+            template="(%(expressions)s)::%(db_type)s",
+            **extra_context,
+        )
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        if self.output_field.get_internal_type() == "JSONField":
+            # Oracle doesn't support explicit cast to JSON.
+            template = "JSON_QUERY(%(expressions)s, '$')"
+            return super().as_sql(
+                compiler, connection, template=template, **extra_context
+            )
+        return self.as_sql(compiler, connection, **extra_context)
+
+
+class Coalesce(Func):
+    """Return, from left to right, the first non-null expression."""
+
+    function = "COALESCE"
+
+    def __init__(self, *expressions, **extra):
+        if len(expressions) < 2:
+            raise ValueError("Coalesce must take at least two expressions")
+        super().__init__(*expressions, **extra)
+
+    @property
+    def empty_result_set_value(self):
+        for expression in self.get_source_expressions():
+            result = expression.empty_result_set_value
+            if result is NotImplemented or result is not None:
+                return result
+        return None
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        # Oracle prohibits mixing TextField (NCLOB) and CharField (NVARCHAR2),
+        # so convert all fields to NCLOB when that type is expected.
+        if self.output_field.get_internal_type() == "TextField":
+            clone = self.copy()
+            clone.set_source_expressions(
+                [
+                    Func(expression, function="TO_NCLOB")
+                    for expression in self.get_source_expressions()
+                ]
+            )
+            return super(Coalesce, clone).as_sql(compiler, connection, **extra_context)
+        return self.as_sql(compiler, connection, **extra_context)
+
+
+class Collate(Func):
+    function = "COLLATE"
+    template = "%(expressions)s %(function)s %(collation)s"
+    allowed_default = False
+    # Inspired from
+    # https://www.postgresql.org/docs/current/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS
+    collation_re = _lazy_re_compile(r"^[\w-]+$")
+
+    def __init__(self, expression, collation):
+        if not (collation and self.collation_re.match(collation)):
+            raise ValueError("Invalid collation name: %r." % collation)
+        self.collation = collation
+        super().__init__(expression)
+
+    def as_sql(self, compiler, connection, **extra_context):
+        extra_context.setdefault("collation", connection.ops.quote_name(self.collation))
+        return super().as_sql(compiler, connection, **extra_context)
+
+
+class Greatest(Func):
+    """
+    Return the maximum expression.
+
+    If any expression is null the return value is database-specific:
+    On PostgreSQL, the maximum not-null expression is returned.
+    On MySQL, Oracle, and SQLite, if any expression is null, null is returned.
+    """
+
+    function = "GREATEST"
+
+    def __init__(self, *expressions, **extra):
+        if len(expressions) < 2:
+            raise ValueError("Greatest must take at least two expressions")
+        super().__init__(*expressions, **extra)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        """Use the MAX function on SQLite."""
+        return super().as_sqlite(compiler, connection, function="MAX", **extra_context)
+
+
+class JSONObject(Func):
+    function = "JSON_OBJECT"
+    output_field = JSONField()
+
+    def __init__(self, **fields):
+        expressions = []
+        for key, value in fields.items():
+            expressions.extend((Value(key), value))
+        super().__init__(*expressions)
+
+    def as_sql(self, compiler, connection, **extra_context):
+        if not connection.features.has_json_object_function:
+            raise NotSupportedError(
+                "JSONObject() is not supported on this database backend."
+            )
+        return super().as_sql(compiler, connection, **extra_context)
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        copy = self.copy()
+        copy.set_source_expressions(
+            [
+                Cast(expression, TextField()) if index % 2 == 0 else expression
+                for index, expression in enumerate(copy.get_source_expressions())
+            ]
+        )
+        return super(JSONObject, copy).as_sql(
+            compiler,
+            connection,
+            function="JSONB_BUILD_OBJECT",
+            **extra_context,
+        )
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        class ArgJoiner:
+            def join(self, args):
+                args = [" VALUE ".join(arg) for arg in zip(args[::2], args[1::2])]
+                return ", ".join(args)
+
+        return self.as_sql(
+            compiler,
+            connection,
+            arg_joiner=ArgJoiner(),
+            template="%(function)s(%(expressions)s RETURNING CLOB)",
+            **extra_context,
+        )
+
+
+class Least(Func):
+    """
+    Return the minimum expression.
+
+    If any expression is null the return value is database-specific:
+    On PostgreSQL, return the minimum not-null expression.
+    On MySQL, Oracle, and SQLite, if any expression is null, return null.
+    """
+
+    function = "LEAST"
+
+    def __init__(self, *expressions, **extra):
+        if len(expressions) < 2:
+            raise ValueError("Least must take at least two expressions")
+        super().__init__(*expressions, **extra)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        """Use the MIN function on SQLite."""
+        return super().as_sqlite(compiler, connection, function="MIN", **extra_context)
+
+
+class NullIf(Func):
+    function = "NULLIF"
+    arity = 2
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        expression1 = self.get_source_expressions()[0]
+        if isinstance(expression1, Value) and expression1.value is None:
+            raise ValueError("Oracle does not allow Value(None) for expression1.")
+        return super().as_sql(compiler, connection, **extra_context)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/datetime.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/datetime.py
new file mode 100644
index 00000000..9937e79f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/datetime.py
@@ -0,0 +1,439 @@
+from datetime import datetime
+
+from django.conf import settings
+from django.db.models.expressions import Func
+from django.db.models.fields import (
+    DateField,
+    DateTimeField,
+    DurationField,
+    Field,
+    IntegerField,
+    TimeField,
+)
+from django.db.models.lookups import (
+    Transform,
+    YearExact,
+    YearGt,
+    YearGte,
+    YearLt,
+    YearLte,
+)
+from django.utils import timezone
+
+
+class TimezoneMixin:
+    tzinfo = None
+
+    def get_tzname(self):
+        # Timezone conversions must happen to the input datetime *before*
+        # applying a function. 2015-12-31 23:00:00 -02:00 is stored in the
+        # database as 2016-01-01 01:00:00 +00:00. Any results should be
+        # based on the input datetime not the stored datetime.
+        tzname = None
+        if settings.USE_TZ:
+            if self.tzinfo is None:
+                tzname = timezone.get_current_timezone_name()
+            else:
+                tzname = timezone._get_timezone_name(self.tzinfo)
+        return tzname
+
+
+class Extract(TimezoneMixin, Transform):
+    lookup_name = None
+    output_field = IntegerField()
+
+    def __init__(self, expression, lookup_name=None, tzinfo=None, **extra):
+        if self.lookup_name is None:
+            self.lookup_name = lookup_name
+        if self.lookup_name is None:
+            raise ValueError("lookup_name must be provided")
+        self.tzinfo = tzinfo
+        super().__init__(expression, **extra)
+
+    def as_sql(self, compiler, connection):
+        sql, params = compiler.compile(self.lhs)
+        lhs_output_field = self.lhs.output_field
+        if isinstance(lhs_output_field, DateTimeField):
+            tzname = self.get_tzname()
+            sql, params = connection.ops.datetime_extract_sql(
+                self.lookup_name, sql, tuple(params), tzname
+            )
+        elif self.tzinfo is not None:
+            raise ValueError("tzinfo can only be used with DateTimeField.")
+        elif isinstance(lhs_output_field, DateField):
+            sql, params = connection.ops.date_extract_sql(
+                self.lookup_name, sql, tuple(params)
+            )
+        elif isinstance(lhs_output_field, TimeField):
+            sql, params = connection.ops.time_extract_sql(
+                self.lookup_name, sql, tuple(params)
+            )
+        elif isinstance(lhs_output_field, DurationField):
+            if not connection.features.has_native_duration_field:
+                raise ValueError(
+                    "Extract requires native DurationField database support."
+                )
+            sql, params = connection.ops.time_extract_sql(
+                self.lookup_name, sql, tuple(params)
+            )
+        else:
+            # resolve_expression has already validated the output_field so this
+            # assert should never be hit.
+            assert False, "Tried to Extract from an invalid type."
+        return sql, params
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        copy = super().resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        field = getattr(copy.lhs, "output_field", None)
+        if field is None:
+            return copy
+        if not isinstance(field, (DateField, DateTimeField, TimeField, DurationField)):
+            raise ValueError(
+                "Extract input expression must be DateField, DateTimeField, "
+                "TimeField, or DurationField."
+            )
+        # Passing dates to functions expecting datetimes is most likely a mistake.
+        if type(field) is DateField and copy.lookup_name in (
+            "hour",
+            "minute",
+            "second",
+        ):
+            raise ValueError(
+                "Cannot extract time component '%s' from DateField '%s'."
+                % (copy.lookup_name, field.name)
+            )
+        if isinstance(field, DurationField) and copy.lookup_name in (
+            "year",
+            "iso_year",
+            "month",
+            "week",
+            "week_day",
+            "iso_week_day",
+            "quarter",
+        ):
+            raise ValueError(
+                "Cannot extract component '%s' from DurationField '%s'."
+                % (copy.lookup_name, field.name)
+            )
+        return copy
+
+
+class ExtractYear(Extract):
+    lookup_name = "year"
+
+
+class ExtractIsoYear(Extract):
+    """Return the ISO-8601 week-numbering year."""
+
+    lookup_name = "iso_year"
+
+
+class ExtractMonth(Extract):
+    lookup_name = "month"
+
+
+class ExtractDay(Extract):
+    lookup_name = "day"
+
+
+class ExtractWeek(Extract):
+    """
+    Return 1-52 or 53, based on ISO-8601, i.e., Monday is the first of the
+    week.
+    """
+
+    lookup_name = "week"
+
+
+class ExtractWeekDay(Extract):
+    """
+    Return Sunday=1 through Saturday=7.
+
+    To replicate this in Python: (mydatetime.isoweekday() % 7) + 1
+    """
+
+    lookup_name = "week_day"
+
+
+class ExtractIsoWeekDay(Extract):
+    """Return Monday=1 through Sunday=7, based on ISO-8601."""
+
+    lookup_name = "iso_week_day"
+
+
+class ExtractQuarter(Extract):
+    lookup_name = "quarter"
+
+
+class ExtractHour(Extract):
+    lookup_name = "hour"
+
+
+class ExtractMinute(Extract):
+    lookup_name = "minute"
+
+
+class ExtractSecond(Extract):
+    lookup_name = "second"
+
+
+DateField.register_lookup(ExtractYear)
+DateField.register_lookup(ExtractMonth)
+DateField.register_lookup(ExtractDay)
+DateField.register_lookup(ExtractWeekDay)
+DateField.register_lookup(ExtractIsoWeekDay)
+DateField.register_lookup(ExtractWeek)
+DateField.register_lookup(ExtractIsoYear)
+DateField.register_lookup(ExtractQuarter)
+
+TimeField.register_lookup(ExtractHour)
+TimeField.register_lookup(ExtractMinute)
+TimeField.register_lookup(ExtractSecond)
+
+DateTimeField.register_lookup(ExtractHour)
+DateTimeField.register_lookup(ExtractMinute)
+DateTimeField.register_lookup(ExtractSecond)
+
+ExtractYear.register_lookup(YearExact)
+ExtractYear.register_lookup(YearGt)
+ExtractYear.register_lookup(YearGte)
+ExtractYear.register_lookup(YearLt)
+ExtractYear.register_lookup(YearLte)
+
+ExtractIsoYear.register_lookup(YearExact)
+ExtractIsoYear.register_lookup(YearGt)
+ExtractIsoYear.register_lookup(YearGte)
+ExtractIsoYear.register_lookup(YearLt)
+ExtractIsoYear.register_lookup(YearLte)
+
+
+class Now(Func):
+    template = "CURRENT_TIMESTAMP"
+    output_field = DateTimeField()
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        # PostgreSQL's CURRENT_TIMESTAMP means "the time at the start of the
+        # transaction". Use STATEMENT_TIMESTAMP to be cross-compatible with
+        # other databases.
+        return self.as_sql(
+            compiler, connection, template="STATEMENT_TIMESTAMP()", **extra_context
+        )
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        return self.as_sql(
+            compiler, connection, template="CURRENT_TIMESTAMP(6)", **extra_context
+        )
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        return self.as_sql(
+            compiler,
+            connection,
+            template="STRFTIME('%%%%Y-%%%%m-%%%%d %%%%H:%%%%M:%%%%f', 'NOW')",
+            **extra_context,
+        )
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return self.as_sql(
+            compiler, connection, template="LOCALTIMESTAMP", **extra_context
+        )
+
+
+class TruncBase(TimezoneMixin, Transform):
+    kind = None
+    tzinfo = None
+
+    def __init__(
+        self,
+        expression,
+        output_field=None,
+        tzinfo=None,
+        **extra,
+    ):
+        self.tzinfo = tzinfo
+        super().__init__(expression, output_field=output_field, **extra)
+
+    def as_sql(self, compiler, connection):
+        sql, params = compiler.compile(self.lhs)
+        tzname = None
+        if isinstance(self.lhs.output_field, DateTimeField):
+            tzname = self.get_tzname()
+        elif self.tzinfo is not None:
+            raise ValueError("tzinfo can only be used with DateTimeField.")
+        if isinstance(self.output_field, DateTimeField):
+            sql, params = connection.ops.datetime_trunc_sql(
+                self.kind, sql, tuple(params), tzname
+            )
+        elif isinstance(self.output_field, DateField):
+            sql, params = connection.ops.date_trunc_sql(
+                self.kind, sql, tuple(params), tzname
+            )
+        elif isinstance(self.output_field, TimeField):
+            sql, params = connection.ops.time_trunc_sql(
+                self.kind, sql, tuple(params), tzname
+            )
+        else:
+            raise ValueError(
+                "Trunc only valid on DateField, TimeField, or DateTimeField."
+            )
+        return sql, params
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        copy = super().resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        field = copy.lhs.output_field
+        # DateTimeField is a subclass of DateField so this works for both.
+        if not isinstance(field, (DateField, TimeField)):
+            raise TypeError(
+                "%r isn't a DateField, TimeField, or DateTimeField." % field.name
+            )
+        # If self.output_field was None, then accessing the field will trigger
+        # the resolver to assign it to self.lhs.output_field.
+        if not isinstance(copy.output_field, (DateField, DateTimeField, TimeField)):
+            raise ValueError(
+                "output_field must be either DateField, TimeField, or DateTimeField"
+            )
+        # Passing dates or times to functions expecting datetimes is most
+        # likely a mistake.
+        class_output_field = (
+            self.__class__.output_field
+            if isinstance(self.__class__.output_field, Field)
+            else None
+        )
+        output_field = class_output_field or copy.output_field
+        has_explicit_output_field = (
+            class_output_field or field.__class__ is not copy.output_field.__class__
+        )
+        if type(field) is DateField and (
+            isinstance(output_field, DateTimeField)
+            or copy.kind in ("hour", "minute", "second", "time")
+        ):
+            raise ValueError(
+                "Cannot truncate DateField '%s' to %s."
+                % (
+                    field.name,
+                    (
+                        output_field.__class__.__name__
+                        if has_explicit_output_field
+                        else "DateTimeField"
+                    ),
+                )
+            )
+        elif isinstance(field, TimeField) and (
+            isinstance(output_field, DateTimeField)
+            or copy.kind in ("year", "quarter", "month", "week", "day", "date")
+        ):
+            raise ValueError(
+                "Cannot truncate TimeField '%s' to %s."
+                % (
+                    field.name,
+                    (
+                        output_field.__class__.__name__
+                        if has_explicit_output_field
+                        else "DateTimeField"
+                    ),
+                )
+            )
+        return copy
+
+    def convert_value(self, value, expression, connection):
+        if isinstance(self.output_field, DateTimeField):
+            if not settings.USE_TZ:
+                pass
+            elif value is not None:
+                value = value.replace(tzinfo=None)
+                value = timezone.make_aware(value, self.tzinfo)
+            elif not connection.features.has_zoneinfo_database:
+                raise ValueError(
+                    "Database returned an invalid datetime value. Are time "
+                    "zone definitions for your database installed?"
+                )
+        elif isinstance(value, datetime):
+            if value is None:
+                pass
+            elif isinstance(self.output_field, DateField):
+                value = value.date()
+            elif isinstance(self.output_field, TimeField):
+                value = value.time()
+        return value
+
+
+class Trunc(TruncBase):
+    def __init__(
+        self,
+        expression,
+        kind,
+        output_field=None,
+        tzinfo=None,
+        **extra,
+    ):
+        self.kind = kind
+        super().__init__(expression, output_field=output_field, tzinfo=tzinfo, **extra)
+
+
+class TruncYear(TruncBase):
+    kind = "year"
+
+
+class TruncQuarter(TruncBase):
+    kind = "quarter"
+
+
+class TruncMonth(TruncBase):
+    kind = "month"
+
+
+class TruncWeek(TruncBase):
+    """Truncate to midnight on the Monday of the week."""
+
+    kind = "week"
+
+
+class TruncDay(TruncBase):
+    kind = "day"
+
+
+class TruncDate(TruncBase):
+    kind = "date"
+    lookup_name = "date"
+    output_field = DateField()
+
+    def as_sql(self, compiler, connection):
+        # Cast to date rather than truncate to date.
+        sql, params = compiler.compile(self.lhs)
+        tzname = self.get_tzname()
+        return connection.ops.datetime_cast_date_sql(sql, tuple(params), tzname)
+
+
+class TruncTime(TruncBase):
+    kind = "time"
+    lookup_name = "time"
+    output_field = TimeField()
+
+    def as_sql(self, compiler, connection):
+        # Cast to time rather than truncate to time.
+        sql, params = compiler.compile(self.lhs)
+        tzname = self.get_tzname()
+        return connection.ops.datetime_cast_time_sql(sql, tuple(params), tzname)
+
+
+class TruncHour(TruncBase):
+    kind = "hour"
+
+
+class TruncMinute(TruncBase):
+    kind = "minute"
+
+
+class TruncSecond(TruncBase):
+    kind = "second"
+
+
+DateTimeField.register_lookup(TruncDate)
+DateTimeField.register_lookup(TruncTime)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/math.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/math.py
new file mode 100644
index 00000000..5fa4654a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/math.py
@@ -0,0 +1,214 @@
+import math
+
+from django.db.models.expressions import Func, Value
+from django.db.models.fields import FloatField, IntegerField
+from django.db.models.functions import Cast
+from django.db.models.functions.mixins import (
+    FixDecimalInputMixin,
+    NumericOutputFieldMixin,
+)
+from django.db.models.lookups import Transform
+
+
+class Abs(Transform):
+    function = "ABS"
+    lookup_name = "abs"
+
+
+class ACos(NumericOutputFieldMixin, Transform):
+    function = "ACOS"
+    lookup_name = "acos"
+
+
+class ASin(NumericOutputFieldMixin, Transform):
+    function = "ASIN"
+    lookup_name = "asin"
+
+
+class ATan(NumericOutputFieldMixin, Transform):
+    function = "ATAN"
+    lookup_name = "atan"
+
+
+class ATan2(NumericOutputFieldMixin, Func):
+    function = "ATAN2"
+    arity = 2
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        if not getattr(
+            connection.ops, "spatialite", False
+        ) or connection.ops.spatial_version >= (5, 0, 0):
+            return self.as_sql(compiler, connection)
+        # This function is usually ATan2(y, x), returning the inverse tangent
+        # of y / x, but it's ATan2(x, y) on SpatiaLite < 5.0.0.
+        # Cast integers to float to avoid inconsistent/buggy behavior if the
+        # arguments are mixed between integer and float or decimal.
+        # https://www.gaia-gis.it/fossil/libspatialite/tktview?name=0f72cca3a2
+        clone = self.copy()
+        clone.set_source_expressions(
+            [
+                (
+                    Cast(expression, FloatField())
+                    if isinstance(expression.output_field, IntegerField)
+                    else expression
+                )
+                for expression in self.get_source_expressions()[::-1]
+            ]
+        )
+        return clone.as_sql(compiler, connection, **extra_context)
+
+
+class Ceil(Transform):
+    function = "CEILING"
+    lookup_name = "ceil"
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="CEIL", **extra_context)
+
+
+class Cos(NumericOutputFieldMixin, Transform):
+    function = "COS"
+    lookup_name = "cos"
+
+
+class Cot(NumericOutputFieldMixin, Transform):
+    function = "COT"
+    lookup_name = "cot"
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler, connection, template="(1 / TAN(%(expressions)s))", **extra_context
+        )
+
+
+class Degrees(NumericOutputFieldMixin, Transform):
+    function = "DEGREES"
+    lookup_name = "degrees"
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler,
+            connection,
+            template="((%%(expressions)s) * 180 / %s)" % math.pi,
+            **extra_context,
+        )
+
+
+class Exp(NumericOutputFieldMixin, Transform):
+    function = "EXP"
+    lookup_name = "exp"
+
+
+class Floor(Transform):
+    function = "FLOOR"
+    lookup_name = "floor"
+
+
+class Ln(NumericOutputFieldMixin, Transform):
+    function = "LN"
+    lookup_name = "ln"
+
+
+class Log(FixDecimalInputMixin, NumericOutputFieldMixin, Func):
+    function = "LOG"
+    arity = 2
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        if not getattr(connection.ops, "spatialite", False):
+            return self.as_sql(compiler, connection)
+        # This function is usually Log(b, x) returning the logarithm of x to
+        # the base b, but on SpatiaLite it's Log(x, b).
+        clone = self.copy()
+        clone.set_source_expressions(self.get_source_expressions()[::-1])
+        return clone.as_sql(compiler, connection, **extra_context)
+
+
+class Mod(FixDecimalInputMixin, NumericOutputFieldMixin, Func):
+    function = "MOD"
+    arity = 2
+
+
+class Pi(NumericOutputFieldMixin, Func):
+    function = "PI"
+    arity = 0
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler, connection, template=str(math.pi), **extra_context
+        )
+
+
+class Power(NumericOutputFieldMixin, Func):
+    function = "POWER"
+    arity = 2
+
+
+class Radians(NumericOutputFieldMixin, Transform):
+    function = "RADIANS"
+    lookup_name = "radians"
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler,
+            connection,
+            template="((%%(expressions)s) * %s / 180)" % math.pi,
+            **extra_context,
+        )
+
+
+class Random(NumericOutputFieldMixin, Func):
+    function = "RANDOM"
+    arity = 0
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="RAND", **extra_context)
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler, connection, function="DBMS_RANDOM.VALUE", **extra_context
+        )
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="RAND", **extra_context)
+
+    def get_group_by_cols(self):
+        return []
+
+
+class Round(FixDecimalInputMixin, Transform):
+    function = "ROUND"
+    lookup_name = "round"
+    arity = None  # Override Transform's arity=1 to enable passing precision.
+
+    def __init__(self, expression, precision=0, **extra):
+        super().__init__(expression, precision, **extra)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        precision = self.get_source_expressions()[1]
+        if isinstance(precision, Value) and precision.value < 0:
+            raise ValueError("SQLite does not support negative precision.")
+        return super().as_sqlite(compiler, connection, **extra_context)
+
+    def _resolve_output_field(self):
+        source = self.get_source_expressions()[0]
+        return source.output_field
+
+
+class Sign(Transform):
+    function = "SIGN"
+    lookup_name = "sign"
+
+
+class Sin(NumericOutputFieldMixin, Transform):
+    function = "SIN"
+    lookup_name = "sin"
+
+
+class Sqrt(NumericOutputFieldMixin, Transform):
+    function = "SQRT"
+    lookup_name = "sqrt"
+
+
+class Tan(NumericOutputFieldMixin, Transform):
+    function = "TAN"
+    lookup_name = "tan"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/mixins.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/mixins.py
new file mode 100644
index 00000000..d983df77
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/mixins.py
@@ -0,0 +1,59 @@
+import sys
+
+from django.db.models.fields import DecimalField, FloatField, IntegerField
+from django.db.models.functions import Cast
+
+
+class FixDecimalInputMixin:
+    def as_postgresql(self, compiler, connection, **extra_context):
+        # Cast FloatField to DecimalField as PostgreSQL doesn't support the
+        # following function signatures:
+        # - LOG(double, double)
+        # - MOD(double, double)
+        output_field = DecimalField(decimal_places=sys.float_info.dig, max_digits=1000)
+        clone = self.copy()
+        clone.set_source_expressions(
+            [
+                (
+                    Cast(expression, output_field)
+                    if isinstance(expression.output_field, FloatField)
+                    else expression
+                )
+                for expression in self.get_source_expressions()
+            ]
+        )
+        return clone.as_sql(compiler, connection, **extra_context)
+
+
+class FixDurationInputMixin:
+    def as_mysql(self, compiler, connection, **extra_context):
+        sql, params = super().as_sql(compiler, connection, **extra_context)
+        if self.output_field.get_internal_type() == "DurationField":
+            sql = "CAST(%s AS SIGNED)" % sql
+        return sql, params
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        if self.output_field.get_internal_type() == "DurationField":
+            expression = self.get_source_expressions()[0]
+            options = self._get_repr_options()
+            from django.db.backends.oracle.functions import (
+                IntervalToSeconds,
+                SecondsToInterval,
+            )
+
+            return compiler.compile(
+                SecondsToInterval(
+                    self.__class__(IntervalToSeconds(expression), **options)
+                )
+            )
+        return super().as_sql(compiler, connection, **extra_context)
+
+
+class NumericOutputFieldMixin:
+    def _resolve_output_field(self):
+        source_fields = self.get_source_fields()
+        if any(isinstance(s, DecimalField) for s in source_fields):
+            return DecimalField()
+        if any(isinstance(s, IntegerField) for s in source_fields):
+            return FloatField()
+        return super()._resolve_output_field() if source_fields else FloatField()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/text.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/text.py
new file mode 100644
index 00000000..2b49f543
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/text.py
@@ -0,0 +1,369 @@
+from django.db import NotSupportedError
+from django.db.models.expressions import Func, Value
+from django.db.models.fields import CharField, IntegerField, TextField
+from django.db.models.functions import Cast, Coalesce
+from django.db.models.lookups import Transform
+
+
+class MySQLSHA2Mixin:
+    def as_mysql(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler,
+            connection,
+            template="SHA2(%%(expressions)s, %s)" % self.function[3:],
+            **extra_context,
+        )
+
+
+class OracleHashMixin:
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler,
+            connection,
+            template=(
+                "LOWER(RAWTOHEX(STANDARD_HASH(UTL_I18N.STRING_TO_RAW("
+                "%(expressions)s, 'AL32UTF8'), '%(function)s')))"
+            ),
+            **extra_context,
+        )
+
+
+class PostgreSQLSHAMixin:
+    def as_postgresql(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler,
+            connection,
+            template="ENCODE(DIGEST(%(expressions)s, '%(function)s'), 'hex')",
+            function=self.function.lower(),
+            **extra_context,
+        )
+
+
+class Chr(Transform):
+    function = "CHR"
+    lookup_name = "chr"
+    output_field = CharField()
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler,
+            connection,
+            function="CHAR",
+            template="%(function)s(%(expressions)s USING utf16)",
+            **extra_context,
+        )
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler,
+            connection,
+            template="%(function)s(%(expressions)s USING NCHAR_CS)",
+            **extra_context,
+        )
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="CHAR", **extra_context)
+
+
+class ConcatPair(Func):
+    """
+    Concatenate two arguments together. This is used by `Concat` because not
+    all backend databases support more than two arguments.
+    """
+
+    function = "CONCAT"
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        coalesced = self.coalesce()
+        return super(ConcatPair, coalesced).as_sql(
+            compiler,
+            connection,
+            template="%(expressions)s",
+            arg_joiner=" || ",
+            **extra_context,
+        )
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        copy = self.copy()
+        copy.set_source_expressions(
+            [
+                Cast(expression, TextField())
+                for expression in copy.get_source_expressions()
+            ]
+        )
+        return super(ConcatPair, copy).as_sql(
+            compiler,
+            connection,
+            **extra_context,
+        )
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        # Use CONCAT_WS with an empty separator so that NULLs are ignored.
+        return super().as_sql(
+            compiler,
+            connection,
+            function="CONCAT_WS",
+            template="%(function)s('', %(expressions)s)",
+            **extra_context,
+        )
+
+    def coalesce(self):
+        # null on either side results in null for expression, wrap with coalesce
+        c = self.copy()
+        c.set_source_expressions(
+            [
+                Coalesce(expression, Value(""))
+                for expression in c.get_source_expressions()
+            ]
+        )
+        return c
+
+
+class Concat(Func):
+    """
+    Concatenate text fields together. Backends that result in an entire
+    null expression when any arguments are null will wrap each argument in
+    coalesce functions to ensure a non-null result.
+    """
+
+    function = None
+    template = "%(expressions)s"
+
+    def __init__(self, *expressions, **extra):
+        if len(expressions) < 2:
+            raise ValueError("Concat must take at least two expressions")
+        paired = self._paired(expressions)
+        super().__init__(paired, **extra)
+
+    def _paired(self, expressions):
+        # wrap pairs of expressions in successive concat functions
+        # exp = [a, b, c, d]
+        # -> ConcatPair(a, ConcatPair(b, ConcatPair(c, d))))
+        if len(expressions) == 2:
+            return ConcatPair(*expressions)
+        return ConcatPair(expressions[0], self._paired(expressions[1:]))
+
+
+class Left(Func):
+    function = "LEFT"
+    arity = 2
+    output_field = CharField()
+
+    def __init__(self, expression, length, **extra):
+        """
+        expression: the name of a field, or an expression returning a string
+        length: the number of characters to return from the start of the string
+        """
+        if not hasattr(length, "resolve_expression"):
+            if length < 1:
+                raise ValueError("'length' must be greater than 0.")
+        super().__init__(expression, length, **extra)
+
+    def get_substr(self):
+        return Substr(self.source_expressions[0], Value(1), self.source_expressions[1])
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return self.get_substr().as_oracle(compiler, connection, **extra_context)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        return self.get_substr().as_sqlite(compiler, connection, **extra_context)
+
+
+class Length(Transform):
+    """Return the number of characters in the expression."""
+
+    function = "LENGTH"
+    lookup_name = "length"
+    output_field = IntegerField()
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        return super().as_sql(
+            compiler, connection, function="CHAR_LENGTH", **extra_context
+        )
+
+
+class Lower(Transform):
+    function = "LOWER"
+    lookup_name = "lower"
+
+
+class LPad(Func):
+    function = "LPAD"
+    output_field = CharField()
+
+    def __init__(self, expression, length, fill_text=Value(" "), **extra):
+        if (
+            not hasattr(length, "resolve_expression")
+            and length is not None
+            and length < 0
+        ):
+            raise ValueError("'length' must be greater or equal to 0.")
+        super().__init__(expression, length, fill_text, **extra)
+
+
+class LTrim(Transform):
+    function = "LTRIM"
+    lookup_name = "ltrim"
+
+
+class MD5(OracleHashMixin, Transform):
+    function = "MD5"
+    lookup_name = "md5"
+
+
+class Ord(Transform):
+    function = "ASCII"
+    lookup_name = "ord"
+    output_field = IntegerField()
+
+    def as_mysql(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="ORD", **extra_context)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="UNICODE", **extra_context)
+
+
+class Repeat(Func):
+    function = "REPEAT"
+    output_field = CharField()
+
+    def __init__(self, expression, number, **extra):
+        if (
+            not hasattr(number, "resolve_expression")
+            and number is not None
+            and number < 0
+        ):
+            raise ValueError("'number' must be greater or equal to 0.")
+        super().__init__(expression, number, **extra)
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        expression, number = self.source_expressions
+        length = None if number is None else Length(expression) * number
+        rpad = RPad(expression, length, expression)
+        return rpad.as_sql(compiler, connection, **extra_context)
+
+
+class Replace(Func):
+    function = "REPLACE"
+
+    def __init__(self, expression, text, replacement=Value(""), **extra):
+        super().__init__(expression, text, replacement, **extra)
+
+
+class Reverse(Transform):
+    function = "REVERSE"
+    lookup_name = "reverse"
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        # REVERSE in Oracle is undocumented and doesn't support multi-byte
+        # strings. Use a special subquery instead.
+        sql, params = super().as_sql(
+            compiler,
+            connection,
+            template=(
+                "(SELECT LISTAGG(s) WITHIN GROUP (ORDER BY n DESC) FROM "
+                "(SELECT LEVEL n, SUBSTR(%(expressions)s, LEVEL, 1) s "
+                "FROM DUAL CONNECT BY LEVEL <= LENGTH(%(expressions)s)) "
+                "GROUP BY %(expressions)s)"
+            ),
+            **extra_context,
+        )
+        return sql, params * 3
+
+
+class Right(Left):
+    function = "RIGHT"
+
+    def get_substr(self):
+        return Substr(
+            self.source_expressions[0],
+            self.source_expressions[1] * Value(-1),
+            self.source_expressions[1],
+        )
+
+
+class RPad(LPad):
+    function = "RPAD"
+
+
+class RTrim(Transform):
+    function = "RTRIM"
+    lookup_name = "rtrim"
+
+
+class SHA1(OracleHashMixin, PostgreSQLSHAMixin, Transform):
+    function = "SHA1"
+    lookup_name = "sha1"
+
+
+class SHA224(MySQLSHA2Mixin, PostgreSQLSHAMixin, Transform):
+    function = "SHA224"
+    lookup_name = "sha224"
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        raise NotSupportedError("SHA224 is not supported on Oracle.")
+
+
+class SHA256(MySQLSHA2Mixin, OracleHashMixin, PostgreSQLSHAMixin, Transform):
+    function = "SHA256"
+    lookup_name = "sha256"
+
+
+class SHA384(MySQLSHA2Mixin, OracleHashMixin, PostgreSQLSHAMixin, Transform):
+    function = "SHA384"
+    lookup_name = "sha384"
+
+
+class SHA512(MySQLSHA2Mixin, OracleHashMixin, PostgreSQLSHAMixin, Transform):
+    function = "SHA512"
+    lookup_name = "sha512"
+
+
+class StrIndex(Func):
+    """
+    Return a positive integer corresponding to the 1-indexed position of the
+    first occurrence of a substring inside another string, or 0 if the
+    substring is not found.
+    """
+
+    function = "INSTR"
+    arity = 2
+    output_field = IntegerField()
+
+    def as_postgresql(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="STRPOS", **extra_context)
+
+
+class Substr(Func):
+    function = "SUBSTRING"
+    output_field = CharField()
+
+    def __init__(self, expression, pos, length=None, **extra):
+        """
+        expression: the name of a field, or an expression returning a string
+        pos: an integer > 0, or an expression returning an integer
+        length: an optional number of characters to return
+        """
+        if not hasattr(pos, "resolve_expression"):
+            if pos < 1:
+                raise ValueError("'pos' must be greater than 0")
+        expressions = [expression, pos]
+        if length is not None:
+            expressions.append(length)
+        super().__init__(*expressions, **extra)
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="SUBSTR", **extra_context)
+
+    def as_oracle(self, compiler, connection, **extra_context):
+        return super().as_sql(compiler, connection, function="SUBSTR", **extra_context)
+
+
+class Trim(Transform):
+    function = "TRIM"
+    lookup_name = "trim"
+
+
+class Upper(Transform):
+    function = "UPPER"
+    lookup_name = "upper"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/window.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/window.py
new file mode 100644
index 00000000..671017ab
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/functions/window.py
@@ -0,0 +1,120 @@
+from django.db.models.expressions import Func
+from django.db.models.fields import FloatField, IntegerField
+
+__all__ = [
+    "CumeDist",
+    "DenseRank",
+    "FirstValue",
+    "Lag",
+    "LastValue",
+    "Lead",
+    "NthValue",
+    "Ntile",
+    "PercentRank",
+    "Rank",
+    "RowNumber",
+]
+
+
+class CumeDist(Func):
+    function = "CUME_DIST"
+    output_field = FloatField()
+    window_compatible = True
+
+
+class DenseRank(Func):
+    function = "DENSE_RANK"
+    output_field = IntegerField()
+    window_compatible = True
+
+
+class FirstValue(Func):
+    arity = 1
+    function = "FIRST_VALUE"
+    window_compatible = True
+
+
+class LagLeadFunction(Func):
+    window_compatible = True
+
+    def __init__(self, expression, offset=1, default=None, **extra):
+        if expression is None:
+            raise ValueError(
+                "%s requires a non-null source expression." % self.__class__.__name__
+            )
+        if offset is None or offset <= 0:
+            raise ValueError(
+                "%s requires a positive integer for the offset."
+                % self.__class__.__name__
+            )
+        args = (expression, offset)
+        if default is not None:
+            args += (default,)
+        super().__init__(*args, **extra)
+
+    def _resolve_output_field(self):
+        sources = self.get_source_expressions()
+        return sources[0].output_field
+
+
+class Lag(LagLeadFunction):
+    function = "LAG"
+
+
+class LastValue(Func):
+    arity = 1
+    function = "LAST_VALUE"
+    window_compatible = True
+
+
+class Lead(LagLeadFunction):
+    function = "LEAD"
+
+
+class NthValue(Func):
+    function = "NTH_VALUE"
+    window_compatible = True
+
+    def __init__(self, expression, nth=1, **extra):
+        if expression is None:
+            raise ValueError(
+                "%s requires a non-null source expression." % self.__class__.__name__
+            )
+        if nth is None or nth <= 0:
+            raise ValueError(
+                "%s requires a positive integer as for nth." % self.__class__.__name__
+            )
+        super().__init__(expression, nth, **extra)
+
+    def _resolve_output_field(self):
+        sources = self.get_source_expressions()
+        return sources[0].output_field
+
+
+class Ntile(Func):
+    function = "NTILE"
+    output_field = IntegerField()
+    window_compatible = True
+
+    def __init__(self, num_buckets=1, **extra):
+        if num_buckets <= 0:
+            raise ValueError("num_buckets must be greater than 0.")
+        super().__init__(num_buckets, **extra)
+
+
+class PercentRank(Func):
+    function = "PERCENT_RANK"
+    output_field = FloatField()
+    window_compatible = True
+
+
+class Rank(Func):
+    function = "RANK"
+    output_field = IntegerField()
+    window_compatible = True
+
+
+class RowNumber(Func):
+    function = "ROW_NUMBER"
+    output_field = IntegerField()
+    window_compatible = True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/indexes.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/indexes.py
new file mode 100644
index 00000000..0ddfefec
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/indexes.py
@@ -0,0 +1,299 @@
+from types import NoneType
+
+from django.db.backends.utils import names_digest, split_identifier
+from django.db.models.expressions import Col, ExpressionList, F, Func, OrderBy
+from django.db.models.functions import Collate
+from django.db.models.query_utils import Q
+from django.db.models.sql import Query
+from django.utils.functional import partition
+
+__all__ = ["Index"]
+
+
+class Index:
+    suffix = "idx"
+    # The max length of the name of the index (restricted to 30 for
+    # cross-database compatibility with Oracle)
+    max_name_length = 30
+
+    def __init__(
+        self,
+        *expressions,
+        fields=(),
+        name=None,
+        db_tablespace=None,
+        opclasses=(),
+        condition=None,
+        include=None,
+    ):
+        if opclasses and not name:
+            raise ValueError("An index must be named to use opclasses.")
+        if not isinstance(condition, (NoneType, Q)):
+            raise ValueError("Index.condition must be a Q instance.")
+        if condition and not name:
+            raise ValueError("An index must be named to use condition.")
+        if not isinstance(fields, (list, tuple)):
+            raise ValueError("Index.fields must be a list or tuple.")
+        if not isinstance(opclasses, (list, tuple)):
+            raise ValueError("Index.opclasses must be a list or tuple.")
+        if not expressions and not fields:
+            raise ValueError(
+                "At least one field or expression is required to define an index."
+            )
+        if expressions and fields:
+            raise ValueError(
+                "Index.fields and expressions are mutually exclusive.",
+            )
+        if expressions and not name:
+            raise ValueError("An index must be named to use expressions.")
+        if expressions and opclasses:
+            raise ValueError(
+                "Index.opclasses cannot be used with expressions. Use "
+                "django.contrib.postgres.indexes.OpClass() instead."
+            )
+        if opclasses and len(fields) != len(opclasses):
+            raise ValueError(
+                "Index.fields and Index.opclasses must have the same number of "
+                "elements."
+            )
+        if fields and not all(isinstance(field, str) for field in fields):
+            raise ValueError("Index.fields must contain only strings with field names.")
+        if include and not name:
+            raise ValueError("A covering index must be named.")
+        if not isinstance(include, (NoneType, list, tuple)):
+            raise ValueError("Index.include must be a list or tuple.")
+        self.fields = list(fields)
+        # A list of 2-tuple with the field name and ordering ('' or 'DESC').
+        self.fields_orders = [
+            (field_name.removeprefix("-"), "DESC" if field_name.startswith("-") else "")
+            for field_name in self.fields
+        ]
+        self.name = name or ""
+        self.db_tablespace = db_tablespace
+        self.opclasses = opclasses
+        self.condition = condition
+        self.include = tuple(include) if include else ()
+        self.expressions = tuple(
+            F(expression) if isinstance(expression, str) else expression
+            for expression in expressions
+        )
+
+    @property
+    def contains_expressions(self):
+        return bool(self.expressions)
+
+    def _get_condition_sql(self, model, schema_editor):
+        if self.condition is None:
+            return None
+        query = Query(model=model, alias_cols=False)
+        where = query.build_where(self.condition)
+        compiler = query.get_compiler(connection=schema_editor.connection)
+        sql, params = where.as_sql(compiler, schema_editor.connection)
+        return sql % tuple(schema_editor.quote_value(p) for p in params)
+
+    def create_sql(self, model, schema_editor, using="", **kwargs):
+        include = [
+            model._meta.get_field(field_name).column for field_name in self.include
+        ]
+        condition = self._get_condition_sql(model, schema_editor)
+        if self.expressions:
+            index_expressions = []
+            for expression in self.expressions:
+                index_expression = IndexExpression(expression)
+                index_expression.set_wrapper_classes(schema_editor.connection)
+                index_expressions.append(index_expression)
+            expressions = ExpressionList(*index_expressions).resolve_expression(
+                Query(model, alias_cols=False),
+            )
+            fields = None
+            col_suffixes = None
+        else:
+            fields = [
+                model._meta.get_field(field_name)
+                for field_name, _ in self.fields_orders
+            ]
+            if schema_editor.connection.features.supports_index_column_ordering:
+                col_suffixes = [order[1] for order in self.fields_orders]
+            else:
+                col_suffixes = [""] * len(self.fields_orders)
+            expressions = None
+        return schema_editor._create_index_sql(
+            model,
+            fields=fields,
+            name=self.name,
+            using=using,
+            db_tablespace=self.db_tablespace,
+            col_suffixes=col_suffixes,
+            opclasses=self.opclasses,
+            condition=condition,
+            include=include,
+            expressions=expressions,
+            **kwargs,
+        )
+
+    def remove_sql(self, model, schema_editor, **kwargs):
+        return schema_editor._delete_index_sql(model, self.name, **kwargs)
+
+    def deconstruct(self):
+        path = "%s.%s" % (self.__class__.__module__, self.__class__.__name__)
+        path = path.replace("django.db.models.indexes", "django.db.models")
+        kwargs = {"name": self.name}
+        if self.fields:
+            kwargs["fields"] = self.fields
+        if self.db_tablespace is not None:
+            kwargs["db_tablespace"] = self.db_tablespace
+        if self.opclasses:
+            kwargs["opclasses"] = self.opclasses
+        if self.condition:
+            kwargs["condition"] = self.condition
+        if self.include:
+            kwargs["include"] = self.include
+        return (path, self.expressions, kwargs)
+
+    def clone(self):
+        """Create a copy of this Index."""
+        _, args, kwargs = self.deconstruct()
+        return self.__class__(*args, **kwargs)
+
+    def set_name_with_model(self, model):
+        """
+        Generate a unique name for the index.
+
+        The name is divided into 3 parts - table name (12 chars), field name
+        (8 chars) and unique hash + suffix (10 chars). Each part is made to
+        fit its size by truncating the excess length.
+        """
+        _, table_name = split_identifier(model._meta.db_table)
+        column_names = [
+            model._meta.get_field(field_name).column
+            for field_name, order in self.fields_orders
+        ]
+        column_names_with_order = [
+            (("-%s" if order else "%s") % column_name)
+            for column_name, (field_name, order) in zip(
+                column_names, self.fields_orders
+            )
+        ]
+        # The length of the parts of the name is based on the default max
+        # length of 30 characters.
+        hash_data = [table_name] + column_names_with_order + [self.suffix]
+        self.name = "%s_%s_%s" % (
+            table_name[:11],
+            column_names[0][:7],
+            "%s_%s" % (names_digest(*hash_data, length=6), self.suffix),
+        )
+        if len(self.name) > self.max_name_length:
+            raise ValueError(
+                "Index too long for multiple database support. Is self.suffix "
+                "longer than 3 characters?"
+            )
+        if self.name[0] == "_" or self.name[0].isdigit():
+            self.name = "D%s" % self.name[1:]
+
+    def __repr__(self):
+        return "<%s:%s%s%s%s%s%s%s>" % (
+            self.__class__.__qualname__,
+            "" if not self.fields else " fields=%s" % repr(self.fields),
+            "" if not self.expressions else " expressions=%s" % repr(self.expressions),
+            "" if not self.name else " name=%s" % repr(self.name),
+            (
+                ""
+                if self.db_tablespace is None
+                else " db_tablespace=%s" % repr(self.db_tablespace)
+            ),
+            "" if self.condition is None else " condition=%s" % self.condition,
+            "" if not self.include else " include=%s" % repr(self.include),
+            "" if not self.opclasses else " opclasses=%s" % repr(self.opclasses),
+        )
+
+    def __eq__(self, other):
+        if self.__class__ == other.__class__:
+            return self.deconstruct() == other.deconstruct()
+        return NotImplemented
+
+
+class IndexExpression(Func):
+    """Order and wrap expressions for CREATE INDEX statements."""
+
+    template = "%(expressions)s"
+    wrapper_classes = (OrderBy, Collate)
+
+    def set_wrapper_classes(self, connection=None):
+        # Some databases (e.g. MySQL) treats COLLATE as an indexed expression.
+        if connection and connection.features.collate_as_index_expression:
+            self.wrapper_classes = tuple(
+                [
+                    wrapper_cls
+                    for wrapper_cls in self.wrapper_classes
+                    if wrapper_cls is not Collate
+                ]
+            )
+
+    @classmethod
+    def register_wrappers(cls, *wrapper_classes):
+        cls.wrapper_classes = wrapper_classes
+
+    def resolve_expression(
+        self,
+        query=None,
+        allow_joins=True,
+        reuse=None,
+        summarize=False,
+        for_save=False,
+    ):
+        expressions = list(self.flatten())
+        # Split expressions and wrappers.
+        index_expressions, wrappers = partition(
+            lambda e: isinstance(e, self.wrapper_classes),
+            expressions,
+        )
+        wrapper_types = [type(wrapper) for wrapper in wrappers]
+        if len(wrapper_types) != len(set(wrapper_types)):
+            raise ValueError(
+                "Multiple references to %s can't be used in an indexed "
+                "expression."
+                % ", ".join(
+                    [wrapper_cls.__qualname__ for wrapper_cls in self.wrapper_classes]
+                )
+            )
+        if expressions[1 : len(wrappers) + 1] != wrappers:
+            raise ValueError(
+                "%s must be topmost expressions in an indexed expression."
+                % ", ".join(
+                    [wrapper_cls.__qualname__ for wrapper_cls in self.wrapper_classes]
+                )
+            )
+        # Wrap expressions in parentheses if they are not column references.
+        root_expression = index_expressions[1]
+        resolve_root_expression = root_expression.resolve_expression(
+            query,
+            allow_joins,
+            reuse,
+            summarize,
+            for_save,
+        )
+        if not isinstance(resolve_root_expression, Col):
+            root_expression = Func(root_expression, template="(%(expressions)s)")
+
+        if wrappers:
+            # Order wrappers and set their expressions.
+            wrappers = sorted(
+                wrappers,
+                key=lambda w: self.wrapper_classes.index(type(w)),
+            )
+            wrappers = [wrapper.copy() for wrapper in wrappers]
+            for i, wrapper in enumerate(wrappers[:-1]):
+                wrapper.set_source_expressions([wrappers[i + 1]])
+            # Set the root expression on the deepest wrapper.
+            wrappers[-1].set_source_expressions([root_expression])
+            self.set_source_expressions([wrappers[0]])
+        else:
+            # Use the root expression, if there are no wrappers.
+            self.set_source_expressions([root_expression])
+        return super().resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+
+    def as_sqlite(self, compiler, connection, **extra_context):
+        # Casting to numeric is unnecessary.
+        return self.as_sql(compiler, connection, **extra_context)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/lookups.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/lookups.py
new file mode 100644
index 00000000..76c2822c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/lookups.py
@@ -0,0 +1,785 @@
+import itertools
+import math
+import warnings
+
+from django.core.exceptions import EmptyResultSet, FullResultSet
+from django.db.backends.base.operations import BaseDatabaseOperations
+from django.db.models.expressions import Case, Expression, Func, Value, When
+from django.db.models.fields import (
+    BooleanField,
+    CharField,
+    DateTimeField,
+    Field,
+    IntegerField,
+    UUIDField,
+)
+from django.db.models.query_utils import RegisterLookupMixin
+from django.utils.datastructures import OrderedSet
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import cached_property
+from django.utils.hashable import make_hashable
+
+
+class Lookup(Expression):
+    lookup_name = None
+    prepare_rhs = True
+    can_use_none_as_rhs = False
+
+    def __init__(self, lhs, rhs):
+        self.lhs, self.rhs = lhs, rhs
+        self.rhs = self.get_prep_lookup()
+        self.lhs = self.get_prep_lhs()
+        if hasattr(self.lhs, "get_bilateral_transforms"):
+            bilateral_transforms = self.lhs.get_bilateral_transforms()
+        else:
+            bilateral_transforms = []
+        if bilateral_transforms:
+            # Warn the user as soon as possible if they are trying to apply
+            # a bilateral transformation on a nested QuerySet: that won't work.
+            from django.db.models.sql.query import Query  # avoid circular import
+
+            if isinstance(rhs, Query):
+                raise NotImplementedError(
+                    "Bilateral transformations on nested querysets are not implemented."
+                )
+        self.bilateral_transforms = bilateral_transforms
+
+    def apply_bilateral_transforms(self, value):
+        for transform in self.bilateral_transforms:
+            value = transform(value)
+        return value
+
+    def __repr__(self):
+        return f"{self.__class__.__name__}({self.lhs!r}, {self.rhs!r})"
+
+    def batch_process_rhs(self, compiler, connection, rhs=None):
+        if rhs is None:
+            rhs = self.rhs
+        if self.bilateral_transforms:
+            sqls, sqls_params = [], []
+            for p in rhs:
+                value = Value(p, output_field=self.lhs.output_field)
+                value = self.apply_bilateral_transforms(value)
+                value = value.resolve_expression(compiler.query)
+                sql, sql_params = compiler.compile(value)
+                sqls.append(sql)
+                sqls_params.extend(sql_params)
+        else:
+            _, params = self.get_db_prep_lookup(rhs, connection)
+            sqls, sqls_params = ["%s"] * len(params), params
+        return sqls, sqls_params
+
+    def get_source_expressions(self):
+        if self.rhs_is_direct_value():
+            return [self.lhs]
+        return [self.lhs, self.rhs]
+
+    def set_source_expressions(self, new_exprs):
+        if len(new_exprs) == 1:
+            self.lhs = new_exprs[0]
+        else:
+            self.lhs, self.rhs = new_exprs
+
+    def get_prep_lookup(self):
+        if not self.prepare_rhs or hasattr(self.rhs, "resolve_expression"):
+            return self.rhs
+        if hasattr(self.lhs, "output_field"):
+            if hasattr(self.lhs.output_field, "get_prep_value"):
+                return self.lhs.output_field.get_prep_value(self.rhs)
+        elif self.rhs_is_direct_value():
+            return Value(self.rhs)
+        return self.rhs
+
+    def get_prep_lhs(self):
+        if hasattr(self.lhs, "resolve_expression"):
+            return self.lhs
+        return Value(self.lhs)
+
+    def get_db_prep_lookup(self, value, connection):
+        return ("%s", [value])
+
+    def process_lhs(self, compiler, connection, lhs=None):
+        lhs = lhs or self.lhs
+        if hasattr(lhs, "resolve_expression"):
+            lhs = lhs.resolve_expression(compiler.query)
+        sql, params = compiler.compile(lhs)
+        if isinstance(lhs, Lookup):
+            # Wrapped in parentheses to respect operator precedence.
+            sql = f"({sql})"
+        return sql, params
+
+    def process_rhs(self, compiler, connection):
+        value = self.rhs
+        if self.bilateral_transforms:
+            if self.rhs_is_direct_value():
+                # Do not call get_db_prep_lookup here as the value will be
+                # transformed before being used for lookup
+                value = Value(value, output_field=self.lhs.output_field)
+            value = self.apply_bilateral_transforms(value)
+            value = value.resolve_expression(compiler.query)
+        if hasattr(value, "as_sql"):
+            sql, params = compiler.compile(value)
+            # Ensure expression is wrapped in parentheses to respect operator
+            # precedence but avoid double wrapping as it can be misinterpreted
+            # on some backends (e.g. subqueries on SQLite).
+            if sql and sql[0] != "(":
+                sql = "(%s)" % sql
+            return sql, params
+        else:
+            return self.get_db_prep_lookup(value, connection)
+
+    def rhs_is_direct_value(self):
+        return not hasattr(self.rhs, "as_sql")
+
+    def get_group_by_cols(self):
+        cols = []
+        for source in self.get_source_expressions():
+            cols.extend(source.get_group_by_cols())
+        return cols
+
+    def as_oracle(self, compiler, connection):
+        # Oracle doesn't allow EXISTS() and filters to be compared to another
+        # expression unless they're wrapped in a CASE WHEN.
+        wrapped = False
+        exprs = []
+        for expr in (self.lhs, self.rhs):
+            if connection.ops.conditional_expression_supported_in_where_clause(expr):
+                expr = Case(When(expr, then=True), default=False)
+                wrapped = True
+            exprs.append(expr)
+        lookup = type(self)(*exprs) if wrapped else self
+        return lookup.as_sql(compiler, connection)
+
+    @cached_property
+    def output_field(self):
+        return BooleanField()
+
+    @property
+    def identity(self):
+        return self.__class__, self.lhs, self.rhs
+
+    def __eq__(self, other):
+        if not isinstance(other, Lookup):
+            return NotImplemented
+        return self.identity == other.identity
+
+    def __hash__(self):
+        return hash(make_hashable(self.identity))
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        c = self.copy()
+        c.is_summary = summarize
+        c.lhs = self.lhs.resolve_expression(
+            query, allow_joins, reuse, summarize, for_save
+        )
+        if hasattr(self.rhs, "resolve_expression"):
+            c.rhs = self.rhs.resolve_expression(
+                query, allow_joins, reuse, summarize, for_save
+            )
+        return c
+
+    def select_format(self, compiler, sql, params):
+        # Wrap filters with a CASE WHEN expression if a database backend
+        # (e.g. Oracle) doesn't support boolean expression in SELECT or GROUP
+        # BY list.
+        if not compiler.connection.features.supports_boolean_expr_in_select_clause:
+            sql = f"CASE WHEN {sql} THEN 1 ELSE 0 END"
+        return sql, params
+
+    @cached_property
+    def allowed_default(self):
+        return self.lhs.allowed_default and self.rhs.allowed_default
+
+
+class Transform(RegisterLookupMixin, Func):
+    """
+    RegisterLookupMixin() is first so that get_lookup() and get_transform()
+    first examine self and then check output_field.
+    """
+
+    bilateral = False
+    arity = 1
+
+    @property
+    def lhs(self):
+        return self.get_source_expressions()[0]
+
+    def get_bilateral_transforms(self):
+        if hasattr(self.lhs, "get_bilateral_transforms"):
+            bilateral_transforms = self.lhs.get_bilateral_transforms()
+        else:
+            bilateral_transforms = []
+        if self.bilateral:
+            bilateral_transforms.append(self.__class__)
+        return bilateral_transforms
+
+
+class BuiltinLookup(Lookup):
+    def process_lhs(self, compiler, connection, lhs=None):
+        lhs_sql, params = super().process_lhs(compiler, connection, lhs)
+        field_internal_type = self.lhs.output_field.get_internal_type()
+        if (
+            hasattr(connection.ops.__class__, "field_cast_sql")
+            and connection.ops.__class__.field_cast_sql
+            is not BaseDatabaseOperations.field_cast_sql
+        ):
+            warnings.warn(
+                (
+                    "The usage of DatabaseOperations.field_cast_sql() is deprecated. "
+                    "Implement DatabaseOperations.lookup_cast() instead."
+                ),
+                RemovedInDjango60Warning,
+            )
+            db_type = self.lhs.output_field.db_type(connection=connection)
+            lhs_sql = (
+                connection.ops.field_cast_sql(db_type, field_internal_type) % lhs_sql
+            )
+        lhs_sql = (
+            connection.ops.lookup_cast(self.lookup_name, field_internal_type) % lhs_sql
+        )
+        return lhs_sql, list(params)
+
+    def as_sql(self, compiler, connection):
+        lhs_sql, params = self.process_lhs(compiler, connection)
+        rhs_sql, rhs_params = self.process_rhs(compiler, connection)
+        params.extend(rhs_params)
+        rhs_sql = self.get_rhs_op(connection, rhs_sql)
+        return "%s %s" % (lhs_sql, rhs_sql), params
+
+    def get_rhs_op(self, connection, rhs):
+        return connection.operators[self.lookup_name] % rhs
+
+
+class FieldGetDbPrepValueMixin:
+    """
+    Some lookups require Field.get_db_prep_value() to be called on their
+    inputs.
+    """
+
+    get_db_prep_lookup_value_is_iterable = False
+
+    def get_db_prep_lookup(self, value, connection):
+        # For relational fields, use the 'target_field' attribute of the
+        # output_field.
+        field = getattr(self.lhs.output_field, "target_field", None)
+        get_db_prep_value = (
+            getattr(field, "get_db_prep_value", None)
+            or self.lhs.output_field.get_db_prep_value
+        )
+        return (
+            "%s",
+            (
+                [get_db_prep_value(v, connection, prepared=True) for v in value]
+                if self.get_db_prep_lookup_value_is_iterable
+                else [get_db_prep_value(value, connection, prepared=True)]
+            ),
+        )
+
+
+class FieldGetDbPrepValueIterableMixin(FieldGetDbPrepValueMixin):
+    """
+    Some lookups require Field.get_db_prep_value() to be called on each value
+    in an iterable.
+    """
+
+    get_db_prep_lookup_value_is_iterable = True
+
+    def get_prep_lookup(self):
+        if hasattr(self.rhs, "resolve_expression"):
+            return self.rhs
+        prepared_values = []
+        for rhs_value in self.rhs:
+            if hasattr(rhs_value, "resolve_expression"):
+                # An expression will be handled by the database but can coexist
+                # alongside real values.
+                pass
+            elif self.prepare_rhs and hasattr(self.lhs.output_field, "get_prep_value"):
+                rhs_value = self.lhs.output_field.get_prep_value(rhs_value)
+            prepared_values.append(rhs_value)
+        return prepared_values
+
+    def process_rhs(self, compiler, connection):
+        if self.rhs_is_direct_value():
+            # rhs should be an iterable of values. Use batch_process_rhs()
+            # to prepare/transform those values.
+            return self.batch_process_rhs(compiler, connection)
+        else:
+            return super().process_rhs(compiler, connection)
+
+    def resolve_expression_parameter(self, compiler, connection, sql, param):
+        params = [param]
+        if hasattr(param, "resolve_expression"):
+            param = param.resolve_expression(compiler.query)
+        if hasattr(param, "as_sql"):
+            sql, params = compiler.compile(param)
+        return sql, params
+
+    def batch_process_rhs(self, compiler, connection, rhs=None):
+        pre_processed = super().batch_process_rhs(compiler, connection, rhs)
+        # The params list may contain expressions which compile to a
+        # sql/param pair. Zip them to get sql and param pairs that refer to the
+        # same argument and attempt to replace them with the result of
+        # compiling the param step.
+        sql, params = zip(
+            *(
+                self.resolve_expression_parameter(compiler, connection, sql, param)
+                for sql, param in zip(*pre_processed)
+            )
+        )
+        params = itertools.chain.from_iterable(params)
+        return sql, tuple(params)
+
+
+class PostgresOperatorLookup(Lookup):
+    """Lookup defined by operators on PostgreSQL."""
+
+    postgres_operator = None
+
+    def as_postgresql(self, compiler, connection):
+        lhs, lhs_params = self.process_lhs(compiler, connection)
+        rhs, rhs_params = self.process_rhs(compiler, connection)
+        params = tuple(lhs_params) + tuple(rhs_params)
+        return "%s %s %s" % (lhs, self.postgres_operator, rhs), params
+
+
+@Field.register_lookup
+class Exact(FieldGetDbPrepValueMixin, BuiltinLookup):
+    lookup_name = "exact"
+
+    def get_prep_lookup(self):
+        from django.db.models.sql.query import Query  # avoid circular import
+
+        if isinstance(self.rhs, Query):
+            if self.rhs.has_limit_one():
+                if not self.rhs.has_select_fields:
+                    self.rhs.clear_select_clause()
+                    self.rhs.add_fields(["pk"])
+            else:
+                raise ValueError(
+                    "The QuerySet value for an exact lookup must be limited to "
+                    "one result using slicing."
+                )
+        return super().get_prep_lookup()
+
+    def as_sql(self, compiler, connection):
+        # Avoid comparison against direct rhs if lhs is a boolean value. That
+        # turns "boolfield__exact=True" into "WHERE boolean_field" instead of
+        # "WHERE boolean_field = True" when allowed.
+        if (
+            isinstance(self.rhs, bool)
+            and getattr(self.lhs, "conditional", False)
+            and connection.ops.conditional_expression_supported_in_where_clause(
+                self.lhs
+            )
+        ):
+            lhs_sql, params = self.process_lhs(compiler, connection)
+            template = "%s" if self.rhs else "NOT %s"
+            return template % lhs_sql, params
+        return super().as_sql(compiler, connection)
+
+
+@Field.register_lookup
+class IExact(BuiltinLookup):
+    lookup_name = "iexact"
+    prepare_rhs = False
+
+    def process_rhs(self, qn, connection):
+        rhs, params = super().process_rhs(qn, connection)
+        if params:
+            params[0] = connection.ops.prep_for_iexact_query(params[0])
+        return rhs, params
+
+
+@Field.register_lookup
+class GreaterThan(FieldGetDbPrepValueMixin, BuiltinLookup):
+    lookup_name = "gt"
+
+
+@Field.register_lookup
+class GreaterThanOrEqual(FieldGetDbPrepValueMixin, BuiltinLookup):
+    lookup_name = "gte"
+
+
+@Field.register_lookup
+class LessThan(FieldGetDbPrepValueMixin, BuiltinLookup):
+    lookup_name = "lt"
+
+
+@Field.register_lookup
+class LessThanOrEqual(FieldGetDbPrepValueMixin, BuiltinLookup):
+    lookup_name = "lte"
+
+
+class IntegerFieldOverflow:
+    underflow_exception = EmptyResultSet
+    overflow_exception = EmptyResultSet
+
+    def process_rhs(self, compiler, connection):
+        rhs = self.rhs
+        if isinstance(rhs, int):
+            field_internal_type = self.lhs.output_field.get_internal_type()
+            min_value, max_value = connection.ops.integer_field_range(
+                field_internal_type
+            )
+            if min_value is not None and rhs < min_value:
+                raise self.underflow_exception
+            if max_value is not None and rhs > max_value:
+                raise self.overflow_exception
+        return super().process_rhs(compiler, connection)
+
+
+class IntegerFieldFloatRounding:
+    """
+    Allow floats to work as query values for IntegerField. Without this, the
+    decimal portion of the float would always be discarded.
+    """
+
+    def get_prep_lookup(self):
+        if isinstance(self.rhs, float):
+            self.rhs = math.ceil(self.rhs)
+        return super().get_prep_lookup()
+
+
+@IntegerField.register_lookup
+class IntegerFieldExact(IntegerFieldOverflow, Exact):
+    pass
+
+
+@IntegerField.register_lookup
+class IntegerGreaterThan(IntegerFieldOverflow, GreaterThan):
+    underflow_exception = FullResultSet
+
+
+@IntegerField.register_lookup
+class IntegerGreaterThanOrEqual(
+    IntegerFieldOverflow, IntegerFieldFloatRounding, GreaterThanOrEqual
+):
+    underflow_exception = FullResultSet
+
+
+@IntegerField.register_lookup
+class IntegerLessThan(IntegerFieldOverflow, IntegerFieldFloatRounding, LessThan):
+    overflow_exception = FullResultSet
+
+
+@IntegerField.register_lookup
+class IntegerLessThanOrEqual(IntegerFieldOverflow, LessThanOrEqual):
+    overflow_exception = FullResultSet
+
+
+@Field.register_lookup
+class In(FieldGetDbPrepValueIterableMixin, BuiltinLookup):
+    lookup_name = "in"
+
+    def get_prep_lookup(self):
+        from django.db.models.sql.query import Query  # avoid circular import
+
+        if isinstance(self.rhs, Query):
+            self.rhs.clear_ordering(clear_default=True)
+            if not self.rhs.has_select_fields:
+                self.rhs.clear_select_clause()
+                self.rhs.add_fields(["pk"])
+        return super().get_prep_lookup()
+
+    def process_rhs(self, compiler, connection):
+        db_rhs = getattr(self.rhs, "_db", None)
+        if db_rhs is not None and db_rhs != connection.alias:
+            raise ValueError(
+                "Subqueries aren't allowed across different databases. Force "
+                "the inner query to be evaluated using `list(inner_query)`."
+            )
+
+        if self.rhs_is_direct_value():
+            # Remove None from the list as NULL is never equal to anything.
+            try:
+                rhs = OrderedSet(self.rhs)
+                rhs.discard(None)
+            except TypeError:  # Unhashable items in self.rhs
+                rhs = [r for r in self.rhs if r is not None]
+
+            if not rhs:
+                raise EmptyResultSet
+
+            # rhs should be an iterable; use batch_process_rhs() to
+            # prepare/transform those values.
+            sqls, sqls_params = self.batch_process_rhs(compiler, connection, rhs)
+            placeholder = "(" + ", ".join(sqls) + ")"
+            return (placeholder, sqls_params)
+        return super().process_rhs(compiler, connection)
+
+    def get_rhs_op(self, connection, rhs):
+        return "IN %s" % rhs
+
+    def as_sql(self, compiler, connection):
+        max_in_list_size = connection.ops.max_in_list_size()
+        if (
+            self.rhs_is_direct_value()
+            and max_in_list_size
+            and len(self.rhs) > max_in_list_size
+        ):
+            return self.split_parameter_list_as_sql(compiler, connection)
+        return super().as_sql(compiler, connection)
+
+    def split_parameter_list_as_sql(self, compiler, connection):
+        # This is a special case for databases which limit the number of
+        # elements which can appear in an 'IN' clause.
+        max_in_list_size = connection.ops.max_in_list_size()
+        lhs, lhs_params = self.process_lhs(compiler, connection)
+        rhs, rhs_params = self.batch_process_rhs(compiler, connection)
+        in_clause_elements = ["("]
+        params = []
+        for offset in range(0, len(rhs_params), max_in_list_size):
+            if offset > 0:
+                in_clause_elements.append(" OR ")
+            in_clause_elements.append("%s IN (" % lhs)
+            params.extend(lhs_params)
+            sqls = rhs[offset : offset + max_in_list_size]
+            sqls_params = rhs_params[offset : offset + max_in_list_size]
+            param_group = ", ".join(sqls)
+            in_clause_elements.append(param_group)
+            in_clause_elements.append(")")
+            params.extend(sqls_params)
+        in_clause_elements.append(")")
+        return "".join(in_clause_elements), params
+
+
+class PatternLookup(BuiltinLookup):
+    param_pattern = "%%%s%%"
+    prepare_rhs = False
+
+    def get_rhs_op(self, connection, rhs):
+        # Assume we are in startswith. We need to produce SQL like:
+        #     col LIKE %s, ['thevalue%']
+        # For python values we can (and should) do that directly in Python,
+        # but if the value is for example reference to other column, then
+        # we need to add the % pattern match to the lookup by something like
+        #     col LIKE othercol || '%%'
+        # So, for Python values we don't need any special pattern, but for
+        # SQL reference values or SQL transformations we need the correct
+        # pattern added.
+        if hasattr(self.rhs, "as_sql") or self.bilateral_transforms:
+            pattern = connection.pattern_ops[self.lookup_name].format(
+                connection.pattern_esc
+            )
+            return pattern.format(rhs)
+        else:
+            return super().get_rhs_op(connection, rhs)
+
+    def process_rhs(self, qn, connection):
+        rhs, params = super().process_rhs(qn, connection)
+        if self.rhs_is_direct_value() and params and not self.bilateral_transforms:
+            params[0] = self.param_pattern % connection.ops.prep_for_like_query(
+                params[0]
+            )
+        return rhs, params
+
+
+@Field.register_lookup
+class Contains(PatternLookup):
+    lookup_name = "contains"
+
+
+@Field.register_lookup
+class IContains(Contains):
+    lookup_name = "icontains"
+
+
+@Field.register_lookup
+class StartsWith(PatternLookup):
+    lookup_name = "startswith"
+    param_pattern = "%s%%"
+
+
+@Field.register_lookup
+class IStartsWith(StartsWith):
+    lookup_name = "istartswith"
+
+
+@Field.register_lookup
+class EndsWith(PatternLookup):
+    lookup_name = "endswith"
+    param_pattern = "%%%s"
+
+
+@Field.register_lookup
+class IEndsWith(EndsWith):
+    lookup_name = "iendswith"
+
+
+@Field.register_lookup
+class Range(FieldGetDbPrepValueIterableMixin, BuiltinLookup):
+    lookup_name = "range"
+
+    def get_rhs_op(self, connection, rhs):
+        return "BETWEEN %s AND %s" % (rhs[0], rhs[1])
+
+
+@Field.register_lookup
+class IsNull(BuiltinLookup):
+    lookup_name = "isnull"
+    prepare_rhs = False
+
+    def as_sql(self, compiler, connection):
+        if not isinstance(self.rhs, bool):
+            raise ValueError(
+                "The QuerySet value for an isnull lookup must be True or False."
+            )
+        if isinstance(self.lhs, Value):
+            if self.lhs.value is None or (
+                self.lhs.value == ""
+                and connection.features.interprets_empty_strings_as_nulls
+            ):
+                result_exception = FullResultSet if self.rhs else EmptyResultSet
+            else:
+                result_exception = EmptyResultSet if self.rhs else FullResultSet
+            raise result_exception
+        sql, params = self.process_lhs(compiler, connection)
+        if self.rhs:
+            return "%s IS NULL" % sql, params
+        else:
+            return "%s IS NOT NULL" % sql, params
+
+
+@Field.register_lookup
+class Regex(BuiltinLookup):
+    lookup_name = "regex"
+    prepare_rhs = False
+
+    def as_sql(self, compiler, connection):
+        if self.lookup_name in connection.operators:
+            return super().as_sql(compiler, connection)
+        else:
+            lhs, lhs_params = self.process_lhs(compiler, connection)
+            rhs, rhs_params = self.process_rhs(compiler, connection)
+            sql_template = connection.ops.regex_lookup(self.lookup_name)
+            return sql_template % (lhs, rhs), lhs_params + rhs_params
+
+
+@Field.register_lookup
+class IRegex(Regex):
+    lookup_name = "iregex"
+
+
+class YearLookup(Lookup):
+    def year_lookup_bounds(self, connection, year):
+        from django.db.models.functions import ExtractIsoYear
+
+        iso_year = isinstance(self.lhs, ExtractIsoYear)
+        output_field = self.lhs.lhs.output_field
+        if isinstance(output_field, DateTimeField):
+            bounds = connection.ops.year_lookup_bounds_for_datetime_field(
+                year,
+                iso_year=iso_year,
+            )
+        else:
+            bounds = connection.ops.year_lookup_bounds_for_date_field(
+                year,
+                iso_year=iso_year,
+            )
+        return bounds
+
+    def as_sql(self, compiler, connection):
+        # Avoid the extract operation if the rhs is a direct value to allow
+        # indexes to be used.
+        if self.rhs_is_direct_value():
+            # Skip the extract part by directly using the originating field,
+            # that is self.lhs.lhs.
+            lhs_sql, params = self.process_lhs(compiler, connection, self.lhs.lhs)
+            rhs_sql, _ = self.process_rhs(compiler, connection)
+            rhs_sql = self.get_direct_rhs_sql(connection, rhs_sql)
+            start, finish = self.year_lookup_bounds(connection, self.rhs)
+            params.extend(self.get_bound_params(start, finish))
+            return "%s %s" % (lhs_sql, rhs_sql), params
+        return super().as_sql(compiler, connection)
+
+    def get_direct_rhs_sql(self, connection, rhs):
+        return connection.operators[self.lookup_name] % rhs
+
+    def get_bound_params(self, start, finish):
+        raise NotImplementedError(
+            "subclasses of YearLookup must provide a get_bound_params() method"
+        )
+
+
+class YearExact(YearLookup, Exact):
+    def get_direct_rhs_sql(self, connection, rhs):
+        return "BETWEEN %s AND %s"
+
+    def get_bound_params(self, start, finish):
+        return (start, finish)
+
+
+class YearGt(YearLookup, GreaterThan):
+    def get_bound_params(self, start, finish):
+        return (finish,)
+
+
+class YearGte(YearLookup, GreaterThanOrEqual):
+    def get_bound_params(self, start, finish):
+        return (start,)
+
+
+class YearLt(YearLookup, LessThan):
+    def get_bound_params(self, start, finish):
+        return (start,)
+
+
+class YearLte(YearLookup, LessThanOrEqual):
+    def get_bound_params(self, start, finish):
+        return (finish,)
+
+
+class UUIDTextMixin:
+    """
+    Strip hyphens from a value when filtering a UUIDField on backends without
+    a native datatype for UUID.
+    """
+
+    def process_rhs(self, qn, connection):
+        if not connection.features.has_native_uuid_field:
+            from django.db.models.functions import Replace
+
+            if self.rhs_is_direct_value():
+                self.rhs = Value(self.rhs)
+            self.rhs = Replace(
+                self.rhs, Value("-"), Value(""), output_field=CharField()
+            )
+        rhs, params = super().process_rhs(qn, connection)
+        return rhs, params
+
+
+@UUIDField.register_lookup
+class UUIDIExact(UUIDTextMixin, IExact):
+    pass
+
+
+@UUIDField.register_lookup
+class UUIDContains(UUIDTextMixin, Contains):
+    pass
+
+
+@UUIDField.register_lookup
+class UUIDIContains(UUIDTextMixin, IContains):
+    pass
+
+
+@UUIDField.register_lookup
+class UUIDStartsWith(UUIDTextMixin, StartsWith):
+    pass
+
+
+@UUIDField.register_lookup
+class UUIDIStartsWith(UUIDTextMixin, IStartsWith):
+    pass
+
+
+@UUIDField.register_lookup
+class UUIDEndsWith(UUIDTextMixin, EndsWith):
+    pass
+
+
+@UUIDField.register_lookup
+class UUIDIEndsWith(UUIDTextMixin, IEndsWith):
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/manager.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/manager.py
new file mode 100644
index 00000000..467e79f9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/manager.py
@@ -0,0 +1,213 @@
+import copy
+import inspect
+from functools import wraps
+from importlib import import_module
+
+from django.db import router
+from django.db.models.query import QuerySet
+
+
+class BaseManager:
+    # To retain order, track each time a Manager instance is created.
+    creation_counter = 0
+
+    # Set to True for the 'objects' managers that are automatically created.
+    auto_created = False
+
+    #: If set to True the manager will be serialized into migrations and will
+    #: thus be available in e.g. RunPython operations.
+    use_in_migrations = False
+
+    def __new__(cls, *args, **kwargs):
+        # Capture the arguments to make returning them trivial.
+        obj = super().__new__(cls)
+        obj._constructor_args = (args, kwargs)
+        return obj
+
+    def __init__(self):
+        super().__init__()
+        self._set_creation_counter()
+        self.model = None
+        self.name = None
+        self._db = None
+        self._hints = {}
+
+    def __str__(self):
+        """Return "app_label.model_label.manager_name"."""
+        return "%s.%s" % (self.model._meta.label, self.name)
+
+    def __class_getitem__(cls, *args, **kwargs):
+        return cls
+
+    def deconstruct(self):
+        """
+        Return a 5-tuple of the form (as_manager (True), manager_class,
+        queryset_class, args, kwargs).
+
+        Raise a ValueError if the manager is dynamically generated.
+        """
+        qs_class = self._queryset_class
+        if getattr(self, "_built_with_as_manager", False):
+            # using MyQuerySet.as_manager()
+            return (
+                True,  # as_manager
+                None,  # manager_class
+                "%s.%s" % (qs_class.__module__, qs_class.__name__),  # qs_class
+                None,  # args
+                None,  # kwargs
+            )
+        else:
+            module_name = self.__module__
+            name = self.__class__.__name__
+            # Make sure it's actually there and not an inner class
+            module = import_module(module_name)
+            if not hasattr(module, name):
+                raise ValueError(
+                    "Could not find manager %s in %s.\n"
+                    "Please note that you need to inherit from managers you "
+                    "dynamically generated with 'from_queryset()'."
+                    % (name, module_name)
+                )
+            return (
+                False,  # as_manager
+                "%s.%s" % (module_name, name),  # manager_class
+                None,  # qs_class
+                self._constructor_args[0],  # args
+                self._constructor_args[1],  # kwargs
+            )
+
+    def check(self, **kwargs):
+        return []
+
+    @classmethod
+    def _get_queryset_methods(cls, queryset_class):
+        def create_method(name, method):
+            @wraps(method)
+            def manager_method(self, *args, **kwargs):
+                return getattr(self.get_queryset(), name)(*args, **kwargs)
+
+            return manager_method
+
+        new_methods = {}
+        for name, method in inspect.getmembers(
+            queryset_class, predicate=inspect.isfunction
+        ):
+            # Only copy missing methods.
+            if hasattr(cls, name):
+                continue
+            # Only copy public methods or methods with the attribute
+            # queryset_only=False.
+            queryset_only = getattr(method, "queryset_only", None)
+            if queryset_only or (queryset_only is None and name.startswith("_")):
+                continue
+            # Copy the method onto the manager.
+            new_methods[name] = create_method(name, method)
+        return new_methods
+
+    @classmethod
+    def from_queryset(cls, queryset_class, class_name=None):
+        if class_name is None:
+            class_name = "%sFrom%s" % (cls.__name__, queryset_class.__name__)
+        return type(
+            class_name,
+            (cls,),
+            {
+                "_queryset_class": queryset_class,
+                **cls._get_queryset_methods(queryset_class),
+            },
+        )
+
+    def contribute_to_class(self, cls, name):
+        self.name = self.name or name
+        self.model = cls
+
+        setattr(cls, name, ManagerDescriptor(self))
+
+        cls._meta.add_manager(self)
+
+    def _set_creation_counter(self):
+        """
+        Set the creation counter value for this instance and increment the
+        class-level copy.
+        """
+        self.creation_counter = BaseManager.creation_counter
+        BaseManager.creation_counter += 1
+
+    def db_manager(self, using=None, hints=None):
+        obj = copy.copy(self)
+        obj._db = using or self._db
+        obj._hints = hints or self._hints
+        return obj
+
+    @property
+    def db(self):
+        return self._db or router.db_for_read(self.model, **self._hints)
+
+    #######################
+    # PROXIES TO QUERYSET #
+    #######################
+
+    def get_queryset(self):
+        """
+        Return a new QuerySet object. Subclasses can override this method to
+        customize the behavior of the Manager.
+        """
+        return self._queryset_class(model=self.model, using=self._db, hints=self._hints)
+
+    def all(self):
+        # We can't proxy this method through the `QuerySet` like we do for the
+        # rest of the `QuerySet` methods. This is because `QuerySet.all()`
+        # works by creating a "copy" of the current queryset and in making said
+        # copy, all the cached `prefetch_related` lookups are lost. See the
+        # implementation of `RelatedManager.get_queryset()` for a better
+        # understanding of how this comes into play.
+        return self.get_queryset()
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, self.__class__)
+            and self._constructor_args == other._constructor_args
+        )
+
+    def __hash__(self):
+        return id(self)
+
+
+class Manager(BaseManager.from_queryset(QuerySet)):
+    pass
+
+
+class ManagerDescriptor:
+    def __init__(self, manager):
+        self.manager = manager
+
+    def __get__(self, instance, cls=None):
+        if instance is not None:
+            raise AttributeError(
+                "Manager isn't accessible via %s instances" % cls.__name__
+            )
+
+        if cls._meta.abstract:
+            raise AttributeError(
+                "Manager isn't available; %s is abstract" % (cls._meta.object_name,)
+            )
+
+        if cls._meta.swapped:
+            raise AttributeError(
+                "Manager isn't available; '%s' has been swapped for '%s'"
+                % (
+                    cls._meta.label,
+                    cls._meta.swapped,
+                )
+            )
+
+        return cls._meta.managers_map[self.manager.name]
+
+
+class EmptyManager(Manager):
+    def __init__(self, model):
+        super().__init__()
+        self.model = model
+
+    def get_queryset(self):
+        return super().get_queryset().none()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/options.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/options.py
new file mode 100644
index 00000000..76017fc8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/options.py
@@ -0,0 +1,1018 @@
+import bisect
+import copy
+import inspect
+import warnings
+from collections import defaultdict
+
+from django.apps import apps
+from django.conf import settings
+from django.core.exceptions import FieldDoesNotExist, ImproperlyConfigured
+from django.db import connections
+from django.db.models import AutoField, Manager, OrderWrt, UniqueConstraint
+from django.db.models.query_utils import PathInfo
+from django.utils.datastructures import ImmutableList, OrderedSet
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+from django.utils.text import camel_case_to_spaces, format_lazy
+from django.utils.translation import override
+
+PROXY_PARENTS = object()
+
+EMPTY_RELATION_TREE = ()
+
+IMMUTABLE_WARNING = (
+    "The return type of '%s' should never be mutated. If you want to manipulate this "
+    "list for your own use, make a copy first."
+)
+
+DEFAULT_NAMES = (
+    "verbose_name",
+    "verbose_name_plural",
+    "db_table",
+    "db_table_comment",
+    "ordering",
+    "unique_together",
+    "permissions",
+    "get_latest_by",
+    "order_with_respect_to",
+    "app_label",
+    "db_tablespace",
+    "abstract",
+    "managed",
+    "proxy",
+    "swappable",
+    "auto_created",
+    "index_together",  # RemovedInDjango51Warning.
+    "apps",
+    "default_permissions",
+    "select_on_save",
+    "default_related_name",
+    "required_db_features",
+    "required_db_vendor",
+    "base_manager_name",
+    "default_manager_name",
+    "indexes",
+    "constraints",
+)
+
+
+def normalize_together(option_together):
+    """
+    option_together can be either a tuple of tuples, or a single
+    tuple of two strings. Normalize it to a tuple of tuples, so that
+    calling code can uniformly expect that.
+    """
+    try:
+        if not option_together:
+            return ()
+        if not isinstance(option_together, (tuple, list)):
+            raise TypeError
+        first_element = option_together[0]
+        if not isinstance(first_element, (tuple, list)):
+            option_together = (option_together,)
+        # Normalize everything to tuples
+        return tuple(tuple(ot) for ot in option_together)
+    except TypeError:
+        # If the value of option_together isn't valid, return it
+        # verbatim; this will be picked up by the check framework later.
+        return option_together
+
+
+def make_immutable_fields_list(name, data):
+    return ImmutableList(data, warning=IMMUTABLE_WARNING % name)
+
+
+class Options:
+    FORWARD_PROPERTIES = {
+        "fields",
+        "many_to_many",
+        "concrete_fields",
+        "local_concrete_fields",
+        "_non_pk_concrete_field_names",
+        "_reverse_one_to_one_field_names",
+        "_forward_fields_map",
+        "managers",
+        "managers_map",
+        "base_manager",
+        "default_manager",
+    }
+    REVERSE_PROPERTIES = {"related_objects", "fields_map", "_relation_tree"}
+
+    default_apps = apps
+
+    def __init__(self, meta, app_label=None):
+        self._get_fields_cache = {}
+        self.local_fields = []
+        self.local_many_to_many = []
+        self.private_fields = []
+        self.local_managers = []
+        self.base_manager_name = None
+        self.default_manager_name = None
+        self.model_name = None
+        self.verbose_name = None
+        self.verbose_name_plural = None
+        self.db_table = ""
+        self.db_table_comment = ""
+        self.ordering = []
+        self._ordering_clash = False
+        self.indexes = []
+        self.constraints = []
+        self.unique_together = []
+        self.index_together = []  # RemovedInDjango51Warning.
+        self.select_on_save = False
+        self.default_permissions = ("add", "change", "delete", "view")
+        self.permissions = []
+        self.object_name = None
+        self.app_label = app_label
+        self.get_latest_by = None
+        self.order_with_respect_to = None
+        self.db_tablespace = settings.DEFAULT_TABLESPACE
+        self.required_db_features = []
+        self.required_db_vendor = None
+        self.meta = meta
+        self.pk = None
+        self.auto_field = None
+        self.abstract = False
+        self.managed = True
+        self.proxy = False
+        # For any class that is a proxy (including automatically created
+        # classes for deferred object loading), proxy_for_model tells us
+        # which class this model is proxying. Note that proxy_for_model
+        # can create a chain of proxy models. For non-proxy models, the
+        # variable is always None.
+        self.proxy_for_model = None
+        # For any non-abstract class, the concrete class is the model
+        # in the end of the proxy_for_model chain. In particular, for
+        # concrete models, the concrete_model is always the class itself.
+        self.concrete_model = None
+        self.swappable = None
+        self.parents = {}
+        self.auto_created = False
+
+        # List of all lookups defined in ForeignKey 'limit_choices_to' options
+        # from *other* models. Needed for some admin checks. Internal use only.
+        self.related_fkey_lookups = []
+
+        # A custom app registry to use, if you're making a separate model set.
+        self.apps = self.default_apps
+
+        self.default_related_name = None
+
+    @property
+    def label(self):
+        return "%s.%s" % (self.app_label, self.object_name)
+
+    @property
+    def label_lower(self):
+        return "%s.%s" % (self.app_label, self.model_name)
+
+    @property
+    def app_config(self):
+        # Don't go through get_app_config to avoid triggering imports.
+        return self.apps.app_configs.get(self.app_label)
+
+    def contribute_to_class(self, cls, name):
+        from django.db import connection
+        from django.db.backends.utils import truncate_name
+
+        cls._meta = self
+        self.model = cls
+        # First, construct the default values for these options.
+        self.object_name = cls.__name__
+        self.model_name = self.object_name.lower()
+        self.verbose_name = camel_case_to_spaces(self.object_name)
+
+        # Store the original user-defined values for each option,
+        # for use when serializing the model definition
+        self.original_attrs = {}
+
+        # Next, apply any overridden values from 'class Meta'.
+        if self.meta:
+            meta_attrs = self.meta.__dict__.copy()
+            for name in self.meta.__dict__:
+                # Ignore any private attributes that Django doesn't care about.
+                # NOTE: We can't modify a dictionary's contents while looping
+                # over it, so we loop over the *original* dictionary instead.
+                if name.startswith("_"):
+                    del meta_attrs[name]
+            for attr_name in DEFAULT_NAMES:
+                if attr_name in meta_attrs:
+                    setattr(self, attr_name, meta_attrs.pop(attr_name))
+                    self.original_attrs[attr_name] = getattr(self, attr_name)
+                elif hasattr(self.meta, attr_name):
+                    setattr(self, attr_name, getattr(self.meta, attr_name))
+                    self.original_attrs[attr_name] = getattr(self, attr_name)
+
+            self.unique_together = normalize_together(self.unique_together)
+            self.index_together = normalize_together(self.index_together)
+            if self.index_together:
+                warnings.warn(
+                    f"'index_together' is deprecated. Use 'Meta.indexes' in "
+                    f"{self.label!r} instead.",
+                    RemovedInDjango51Warning,
+                )
+            # App label/class name interpolation for names of constraints and
+            # indexes.
+            if not getattr(cls._meta, "abstract", False):
+                for attr_name in {"constraints", "indexes"}:
+                    objs = getattr(self, attr_name, [])
+                    setattr(self, attr_name, self._format_names_with_class(cls, objs))
+
+            # verbose_name_plural is a special case because it uses a 's'
+            # by default.
+            if self.verbose_name_plural is None:
+                self.verbose_name_plural = format_lazy("{}s", self.verbose_name)
+
+            # order_with_respect_and ordering are mutually exclusive.
+            self._ordering_clash = bool(self.ordering and self.order_with_respect_to)
+
+            # Any leftover attributes must be invalid.
+            if meta_attrs != {}:
+                raise TypeError(
+                    "'class Meta' got invalid attribute(s): %s" % ",".join(meta_attrs)
+                )
+        else:
+            self.verbose_name_plural = format_lazy("{}s", self.verbose_name)
+        del self.meta
+
+        # If the db_table wasn't provided, use the app_label + model_name.
+        if not self.db_table:
+            self.db_table = "%s_%s" % (self.app_label, self.model_name)
+            self.db_table = truncate_name(
+                self.db_table, connection.ops.max_name_length()
+            )
+
+    def _format_names_with_class(self, cls, objs):
+        """App label/class name interpolation for object names."""
+        new_objs = []
+        for obj in objs:
+            obj = obj.clone()
+            obj.name = obj.name % {
+                "app_label": cls._meta.app_label.lower(),
+                "class": cls.__name__.lower(),
+            }
+            new_objs.append(obj)
+        return new_objs
+
+    def _get_default_pk_class(self):
+        pk_class_path = getattr(
+            self.app_config,
+            "default_auto_field",
+            settings.DEFAULT_AUTO_FIELD,
+        )
+        if self.app_config and self.app_config._is_default_auto_field_overridden:
+            app_config_class = type(self.app_config)
+            source = (
+                f"{app_config_class.__module__}."
+                f"{app_config_class.__qualname__}.default_auto_field"
+            )
+        else:
+            source = "DEFAULT_AUTO_FIELD"
+        if not pk_class_path:
+            raise ImproperlyConfigured(f"{source} must not be empty.")
+        try:
+            pk_class = import_string(pk_class_path)
+        except ImportError as e:
+            msg = (
+                f"{source} refers to the module '{pk_class_path}' that could "
+                f"not be imported."
+            )
+            raise ImproperlyConfigured(msg) from e
+        if not issubclass(pk_class, AutoField):
+            raise ValueError(
+                f"Primary key '{pk_class_path}' referred by {source} must "
+                f"subclass AutoField."
+            )
+        return pk_class
+
+    def _prepare(self, model):
+        if self.order_with_respect_to:
+            # The app registry will not be ready at this point, so we cannot
+            # use get_field().
+            query = self.order_with_respect_to
+            try:
+                self.order_with_respect_to = next(
+                    f
+                    for f in self._get_fields(reverse=False)
+                    if f.name == query or f.attname == query
+                )
+            except StopIteration:
+                raise FieldDoesNotExist(
+                    "%s has no field named '%s'" % (self.object_name, query)
+                )
+
+            self.ordering = ("_order",)
+            if not any(
+                isinstance(field, OrderWrt) for field in model._meta.local_fields
+            ):
+                model.add_to_class("_order", OrderWrt())
+        else:
+            self.order_with_respect_to = None
+
+        if self.pk is None:
+            if self.parents:
+                # Promote the first parent link in lieu of adding yet another
+                # field.
+                field = next(iter(self.parents.values()))
+                # Look for a local field with the same name as the
+                # first parent link. If a local field has already been
+                # created, use it instead of promoting the parent
+                already_created = [
+                    fld for fld in self.local_fields if fld.name == field.name
+                ]
+                if already_created:
+                    field = already_created[0]
+                field.primary_key = True
+                self.setup_pk(field)
+            else:
+                pk_class = self._get_default_pk_class()
+                auto = pk_class(verbose_name="ID", primary_key=True, auto_created=True)
+                model.add_to_class("id", auto)
+
+    def add_manager(self, manager):
+        self.local_managers.append(manager)
+        self._expire_cache()
+
+    def add_field(self, field, private=False):
+        # Insert the given field in the order in which it was created, using
+        # the "creation_counter" attribute of the field.
+        # Move many-to-many related fields from self.fields into
+        # self.many_to_many.
+        if private:
+            self.private_fields.append(field)
+        elif field.is_relation and field.many_to_many:
+            bisect.insort(self.local_many_to_many, field)
+        else:
+            bisect.insort(self.local_fields, field)
+            self.setup_pk(field)
+
+        # If the field being added is a relation to another known field,
+        # expire the cache on this field and the forward cache on the field
+        # being referenced, because there will be new relationships in the
+        # cache. Otherwise, expire the cache of references *to* this field.
+        # The mechanism for getting at the related model is slightly odd -
+        # ideally, we'd just ask for field.related_model. However, related_model
+        # is a cached property, and all the models haven't been loaded yet, so
+        # we need to make sure we don't cache a string reference.
+        if (
+            field.is_relation
+            and hasattr(field.remote_field, "model")
+            and field.remote_field.model
+        ):
+            try:
+                field.remote_field.model._meta._expire_cache(forward=False)
+            except AttributeError:
+                pass
+            self._expire_cache()
+        else:
+            self._expire_cache(reverse=False)
+
+    def setup_pk(self, field):
+        if not self.pk and field.primary_key:
+            self.pk = field
+            field.serialize = False
+
+    def setup_proxy(self, target):
+        """
+        Do the internal setup so that the current model is a proxy for
+        "target".
+        """
+        self.pk = target._meta.pk
+        self.proxy_for_model = target
+        self.db_table = target._meta.db_table
+
+    def __repr__(self):
+        return "<Options for %s>" % self.object_name
+
+    def __str__(self):
+        return self.label_lower
+
+    def can_migrate(self, connection):
+        """
+        Return True if the model can/should be migrated on the `connection`.
+        `connection` can be either a real connection or a connection alias.
+        """
+        if self.proxy or self.swapped or not self.managed:
+            return False
+        if isinstance(connection, str):
+            connection = connections[connection]
+        if self.required_db_vendor:
+            return self.required_db_vendor == connection.vendor
+        if self.required_db_features:
+            return all(
+                getattr(connection.features, feat, False)
+                for feat in self.required_db_features
+            )
+        return True
+
+    @property
+    def verbose_name_raw(self):
+        """Return the untranslated verbose name."""
+        with override(None):
+            return str(self.verbose_name)
+
+    @property
+    def swapped(self):
+        """
+        Has this model been swapped out for another? If so, return the model
+        name of the replacement; otherwise, return None.
+
+        For historical reasons, model name lookups using get_model() are
+        case insensitive, so we make sure we are case insensitive here.
+        """
+        if self.swappable:
+            swapped_for = getattr(settings, self.swappable, None)
+            if swapped_for:
+                try:
+                    swapped_label, swapped_object = swapped_for.split(".")
+                except ValueError:
+                    # setting not in the format app_label.model_name
+                    # raising ImproperlyConfigured here causes problems with
+                    # test cleanup code - instead it is raised in get_user_model
+                    # or as part of validation.
+                    return swapped_for
+
+                if (
+                    "%s.%s" % (swapped_label, swapped_object.lower())
+                    != self.label_lower
+                ):
+                    return swapped_for
+        return None
+
+    @cached_property
+    def managers(self):
+        managers = []
+        seen_managers = set()
+        bases = (b for b in self.model.mro() if hasattr(b, "_meta"))
+        for depth, base in enumerate(bases):
+            for manager in base._meta.local_managers:
+                if manager.name in seen_managers:
+                    continue
+
+                manager = copy.copy(manager)
+                manager.model = self.model
+                seen_managers.add(manager.name)
+                managers.append((depth, manager.creation_counter, manager))
+
+        return make_immutable_fields_list(
+            "managers",
+            (m[2] for m in sorted(managers)),
+        )
+
+    @cached_property
+    def managers_map(self):
+        return {manager.name: manager for manager in self.managers}
+
+    @cached_property
+    def base_manager(self):
+        base_manager_name = self.base_manager_name
+        if not base_manager_name:
+            # Get the first parent's base_manager_name if there's one.
+            for parent in self.model.mro()[1:]:
+                if hasattr(parent, "_meta"):
+                    if parent._base_manager.name != "_base_manager":
+                        base_manager_name = parent._base_manager.name
+                    break
+
+        if base_manager_name:
+            try:
+                return self.managers_map[base_manager_name]
+            except KeyError:
+                raise ValueError(
+                    "%s has no manager named %r"
+                    % (
+                        self.object_name,
+                        base_manager_name,
+                    )
+                )
+
+        manager = Manager()
+        manager.name = "_base_manager"
+        manager.model = self.model
+        manager.auto_created = True
+        return manager
+
+    @cached_property
+    def default_manager(self):
+        default_manager_name = self.default_manager_name
+        if not default_manager_name and not self.local_managers:
+            # Get the first parent's default_manager_name if there's one.
+            for parent in self.model.mro()[1:]:
+                if hasattr(parent, "_meta"):
+                    default_manager_name = parent._meta.default_manager_name
+                    break
+
+        if default_manager_name:
+            try:
+                return self.managers_map[default_manager_name]
+            except KeyError:
+                raise ValueError(
+                    "%s has no manager named %r"
+                    % (
+                        self.object_name,
+                        default_manager_name,
+                    )
+                )
+
+        if self.managers:
+            return self.managers[0]
+
+    @cached_property
+    def fields(self):
+        """
+        Return a list of all forward fields on the model and its parents,
+        excluding ManyToManyFields.
+
+        Private API intended only to be used by Django itself; get_fields()
+        combined with filtering of field properties is the public API for
+        obtaining this field list.
+        """
+
+        # For legacy reasons, the fields property should only contain forward
+        # fields that are not private or with a m2m cardinality. Therefore we
+        # pass these three filters as filters to the generator.
+        # The third lambda is a longwinded way of checking f.related_model - we don't
+        # use that property directly because related_model is a cached property,
+        # and all the models may not have been loaded yet; we don't want to cache
+        # the string reference to the related_model.
+        def is_not_an_m2m_field(f):
+            return not (f.is_relation and f.many_to_many)
+
+        def is_not_a_generic_relation(f):
+            return not (f.is_relation and f.one_to_many)
+
+        def is_not_a_generic_foreign_key(f):
+            return not (
+                f.is_relation
+                and f.many_to_one
+                and not (hasattr(f.remote_field, "model") and f.remote_field.model)
+            )
+
+        return make_immutable_fields_list(
+            "fields",
+            (
+                f
+                for f in self._get_fields(reverse=False)
+                if is_not_an_m2m_field(f)
+                and is_not_a_generic_relation(f)
+                and is_not_a_generic_foreign_key(f)
+            ),
+        )
+
+    @cached_property
+    def concrete_fields(self):
+        """
+        Return a list of all concrete fields on the model and its parents.
+
+        Private API intended only to be used by Django itself; get_fields()
+        combined with filtering of field properties is the public API for
+        obtaining this field list.
+        """
+        return make_immutable_fields_list(
+            "concrete_fields", (f for f in self.fields if f.concrete)
+        )
+
+    @cached_property
+    def local_concrete_fields(self):
+        """
+        Return a list of all concrete fields on the model.
+
+        Private API intended only to be used by Django itself; get_fields()
+        combined with filtering of field properties is the public API for
+        obtaining this field list.
+        """
+        return make_immutable_fields_list(
+            "local_concrete_fields", (f for f in self.local_fields if f.concrete)
+        )
+
+    @cached_property
+    def many_to_many(self):
+        """
+        Return a list of all many to many fields on the model and its parents.
+
+        Private API intended only to be used by Django itself; get_fields()
+        combined with filtering of field properties is the public API for
+        obtaining this list.
+        """
+        return make_immutable_fields_list(
+            "many_to_many",
+            (
+                f
+                for f in self._get_fields(reverse=False)
+                if f.is_relation and f.many_to_many
+            ),
+        )
+
+    @cached_property
+    def related_objects(self):
+        """
+        Return all related objects pointing to the current model. The related
+        objects can come from a one-to-one, one-to-many, or many-to-many field
+        relation type.
+
+        Private API intended only to be used by Django itself; get_fields()
+        combined with filtering of field properties is the public API for
+        obtaining this field list.
+        """
+        all_related_fields = self._get_fields(
+            forward=False, reverse=True, include_hidden=True
+        )
+        return make_immutable_fields_list(
+            "related_objects",
+            (
+                obj
+                for obj in all_related_fields
+                if not obj.hidden or obj.field.many_to_many
+            ),
+        )
+
+    @cached_property
+    def _forward_fields_map(self):
+        res = {}
+        fields = self._get_fields(reverse=False)
+        for field in fields:
+            res[field.name] = field
+            # Due to the way Django's internals work, get_field() should also
+            # be able to fetch a field by attname. In the case of a concrete
+            # field with relation, includes the *_id name too
+            try:
+                res[field.attname] = field
+            except AttributeError:
+                pass
+        return res
+
+    @cached_property
+    def fields_map(self):
+        res = {}
+        fields = self._get_fields(forward=False, include_hidden=True)
+        for field in fields:
+            res[field.name] = field
+            # Due to the way Django's internals work, get_field() should also
+            # be able to fetch a field by attname. In the case of a concrete
+            # field with relation, includes the *_id name too
+            try:
+                res[field.attname] = field
+            except AttributeError:
+                pass
+        return res
+
+    def get_field(self, field_name):
+        """
+        Return a field instance given the name of a forward or reverse field.
+        """
+        try:
+            # In order to avoid premature loading of the relation tree
+            # (expensive) we prefer checking if the field is a forward field.
+            return self._forward_fields_map[field_name]
+        except KeyError:
+            # If the app registry is not ready, reverse fields are
+            # unavailable, therefore we throw a FieldDoesNotExist exception.
+            if not self.apps.models_ready:
+                raise FieldDoesNotExist(
+                    "%s has no field named '%s'. The app cache isn't ready yet, "
+                    "so if this is an auto-created related field, it won't "
+                    "be available yet." % (self.object_name, field_name)
+                )
+
+        try:
+            # Retrieve field instance by name from cached or just-computed
+            # field map.
+            return self.fields_map[field_name]
+        except KeyError:
+            raise FieldDoesNotExist(
+                "%s has no field named '%s'" % (self.object_name, field_name)
+            )
+
+    def get_base_chain(self, model):
+        """
+        Return a list of parent classes leading to `model` (ordered from
+        closest to most distant ancestor). This has to handle the case where
+        `model` is a grandparent or even more distant relation.
+        """
+        if not self.parents:
+            return []
+        if model in self.parents:
+            return [model]
+        for parent in self.parents:
+            res = parent._meta.get_base_chain(model)
+            if res:
+                res.insert(0, parent)
+                return res
+        return []
+
+    def get_parent_list(self):
+        """
+        Return all the ancestors of this model as a list ordered by MRO.
+        Useful for determining if something is an ancestor, regardless of lineage.
+        """
+        result = OrderedSet(self.parents)
+        for parent in self.parents:
+            for ancestor in parent._meta.get_parent_list():
+                result.add(ancestor)
+        return list(result)
+
+    def get_ancestor_link(self, ancestor):
+        """
+        Return the field on the current model which points to the given
+        "ancestor". This is possible an indirect link (a pointer to a parent
+        model, which points, eventually, to the ancestor). Used when
+        constructing table joins for model inheritance.
+
+        Return None if the model isn't an ancestor of this one.
+        """
+        if ancestor in self.parents:
+            return self.parents[ancestor]
+        for parent in self.parents:
+            # Tries to get a link field from the immediate parent
+            parent_link = parent._meta.get_ancestor_link(ancestor)
+            if parent_link:
+                # In case of a proxied model, the first link
+                # of the chain to the ancestor is that parent
+                # links
+                return self.parents[parent] or parent_link
+
+    def get_path_to_parent(self, parent):
+        """
+        Return a list of PathInfos containing the path from the current
+        model to the parent model, or an empty list if parent is not a
+        parent of the current model.
+        """
+        if self.model is parent:
+            return []
+        # Skip the chain of proxy to the concrete proxied model.
+        proxied_model = self.concrete_model
+        path = []
+        opts = self
+        for int_model in self.get_base_chain(parent):
+            if int_model is proxied_model:
+                opts = int_model._meta
+            else:
+                final_field = opts.parents[int_model]
+                targets = (final_field.remote_field.get_related_field(),)
+                opts = int_model._meta
+                path.append(
+                    PathInfo(
+                        from_opts=final_field.model._meta,
+                        to_opts=opts,
+                        target_fields=targets,
+                        join_field=final_field,
+                        m2m=False,
+                        direct=True,
+                        filtered_relation=None,
+                    )
+                )
+        return path
+
+    def get_path_from_parent(self, parent):
+        """
+        Return a list of PathInfos containing the path from the parent
+        model to the current model, or an empty list if parent is not a
+        parent of the current model.
+        """
+        if self.model is parent:
+            return []
+        model = self.concrete_model
+        # Get a reversed base chain including both the current and parent
+        # models.
+        chain = model._meta.get_base_chain(parent)
+        chain.reverse()
+        chain.append(model)
+        # Construct a list of the PathInfos between models in chain.
+        path = []
+        for i, ancestor in enumerate(chain[:-1]):
+            child = chain[i + 1]
+            link = child._meta.get_ancestor_link(ancestor)
+            path.extend(link.reverse_path_infos)
+        return path
+
+    def _populate_directed_relation_graph(self):
+        """
+        This method is used by each model to find its reverse objects. As this
+        method is very expensive and is accessed frequently (it looks up every
+        field in a model, in every app), it is computed on first access and then
+        is set as a property on every model.
+        """
+        related_objects_graph = defaultdict(list)
+
+        all_models = self.apps.get_models(include_auto_created=True)
+        for model in all_models:
+            opts = model._meta
+            # Abstract model's fields are copied to child models, hence we will
+            # see the fields from the child models.
+            if opts.abstract:
+                continue
+            fields_with_relations = (
+                f
+                for f in opts._get_fields(reverse=False, include_parents=False)
+                if f.is_relation and f.related_model is not None
+            )
+            for f in fields_with_relations:
+                if not isinstance(f.remote_field.model, str):
+                    remote_label = f.remote_field.model._meta.concrete_model._meta.label
+                    related_objects_graph[remote_label].append(f)
+
+        for model in all_models:
+            # Set the relation_tree using the internal __dict__. In this way
+            # we avoid calling the cached property. In attribute lookup,
+            # __dict__ takes precedence over a data descriptor (such as
+            # @cached_property). This means that the _meta._relation_tree is
+            # only called if related_objects is not in __dict__.
+            related_objects = related_objects_graph[
+                model._meta.concrete_model._meta.label
+            ]
+            model._meta.__dict__["_relation_tree"] = related_objects
+        # It seems it is possible that self is not in all_models, so guard
+        # against that with default for get().
+        return self.__dict__.get("_relation_tree", EMPTY_RELATION_TREE)
+
+    @cached_property
+    def _relation_tree(self):
+        return self._populate_directed_relation_graph()
+
+    def _expire_cache(self, forward=True, reverse=True):
+        # This method is usually called by apps.cache_clear(), when the
+        # registry is finalized, or when a new field is added.
+        if forward:
+            for cache_key in self.FORWARD_PROPERTIES:
+                if cache_key in self.__dict__:
+                    delattr(self, cache_key)
+        if reverse and not self.abstract:
+            for cache_key in self.REVERSE_PROPERTIES:
+                if cache_key in self.__dict__:
+                    delattr(self, cache_key)
+        self._get_fields_cache = {}
+
+    def get_fields(self, include_parents=True, include_hidden=False):
+        """
+        Return a list of fields associated to the model. By default, include
+        forward and reverse fields, fields derived from inheritance, but not
+        hidden fields. The returned fields can be changed using the parameters:
+
+        - include_parents: include fields derived from inheritance
+        - include_hidden:  include fields that have a related_name that
+                           starts with a "+"
+        """
+        if include_parents is False:
+            include_parents = PROXY_PARENTS
+        return self._get_fields(
+            include_parents=include_parents, include_hidden=include_hidden
+        )
+
+    def _get_fields(
+        self,
+        forward=True,
+        reverse=True,
+        include_parents=True,
+        include_hidden=False,
+        topmost_call=True,
+    ):
+        """
+        Internal helper function to return fields of the model.
+        * If forward=True, then fields defined on this model are returned.
+        * If reverse=True, then relations pointing to this model are returned.
+        * If include_hidden=True, then fields with is_hidden=True are returned.
+        * The include_parents argument toggles if fields from parent models
+          should be included. It has three values: True, False, and
+          PROXY_PARENTS. When set to PROXY_PARENTS, the call will return all
+          fields defined for the current model or any of its parents in the
+          parent chain to the model's concrete model.
+        """
+        if include_parents not in (True, False, PROXY_PARENTS):
+            raise TypeError(
+                "Invalid argument for include_parents: %s" % (include_parents,)
+            )
+        # This helper function is used to allow recursion in ``get_fields()``
+        # implementation and to provide a fast way for Django's internals to
+        # access specific subsets of fields.
+
+        # Creates a cache key composed of all arguments
+        cache_key = (forward, reverse, include_parents, include_hidden, topmost_call)
+
+        try:
+            # In order to avoid list manipulation. Always return a shallow copy
+            # of the results.
+            return self._get_fields_cache[cache_key]
+        except KeyError:
+            pass
+
+        fields = []
+        # Recursively call _get_fields() on each parent, with the same
+        # options provided in this call.
+        if include_parents is not False:
+            # In diamond inheritance it is possible that we see the same model
+            # from two different routes. In that case, avoid adding fields from
+            # the same parent again.
+            parent_fields = set()
+            for parent in self.parents:
+                if (
+                    parent._meta.concrete_model != self.concrete_model
+                    and include_parents == PROXY_PARENTS
+                ):
+                    continue
+                for obj in parent._meta._get_fields(
+                    forward=forward,
+                    reverse=reverse,
+                    include_parents=include_parents,
+                    include_hidden=include_hidden,
+                    topmost_call=False,
+                ):
+                    if (
+                        not getattr(obj, "parent_link", False)
+                        or obj.model == self.concrete_model
+                    ) and obj not in parent_fields:
+                        fields.append(obj)
+                        parent_fields.add(obj)
+
+        if reverse and not self.proxy:
+            # Tree is computed once and cached until the app cache is expired.
+            # It is composed of a list of fields pointing to the current model
+            # from other models.
+            all_fields = self._relation_tree
+            for field in all_fields:
+                # If hidden fields should be included or the relation is not
+                # intentionally hidden, add to the fields dict.
+                if include_hidden or not field.remote_field.hidden:
+                    fields.append(field.remote_field)
+
+        if forward:
+            fields += self.local_fields
+            fields += self.local_many_to_many
+            # Private fields are recopied to each child model, and they get a
+            # different model as field.model in each child. Hence we have to
+            # add the private fields separately from the topmost call. If we
+            # did this recursively similar to local_fields, we would get field
+            # instances with field.model != self.model.
+            if topmost_call:
+                fields += self.private_fields
+
+        # In order to avoid list manipulation. Always
+        # return a shallow copy of the results
+        fields = make_immutable_fields_list("get_fields()", fields)
+
+        # Store result into cache for later access
+        self._get_fields_cache[cache_key] = fields
+        return fields
+
+    @cached_property
+    def total_unique_constraints(self):
+        """
+        Return a list of total unique constraints. Useful for determining set
+        of fields guaranteed to be unique for all rows.
+        """
+        return [
+            constraint
+            for constraint in self.constraints
+            if (
+                isinstance(constraint, UniqueConstraint)
+                and constraint.condition is None
+                and not constraint.contains_expressions
+            )
+        ]
+
+    @cached_property
+    def _property_names(self):
+        """Return a set of the names of the properties defined on the model."""
+        names = []
+        for name in dir(self.model):
+            attr = inspect.getattr_static(self.model, name)
+            if isinstance(attr, property):
+                names.append(name)
+        return frozenset(names)
+
+    @cached_property
+    def _non_pk_concrete_field_names(self):
+        """
+        Return a set of the non-pk concrete field names defined on the model.
+        """
+        names = []
+        for field in self.concrete_fields:
+            if not field.primary_key:
+                names.append(field.name)
+                if field.name != field.attname:
+                    names.append(field.attname)
+        return frozenset(names)
+
+    @cached_property
+    def _reverse_one_to_one_field_names(self):
+        """
+        Return a set of reverse one to one field names pointing to the current
+        model.
+        """
+        return frozenset(
+            field.name for field in self.related_objects if field.one_to_one
+        )
+
+    @cached_property
+    def db_returning_fields(self):
+        """
+        Private API intended only to be used by Django itself.
+        Fields to be returned after a database insert.
+        """
+        return [
+            field
+            for field in self._get_fields(
+                forward=True, reverse=False, include_parents=PROXY_PARENTS
+            )
+            if getattr(field, "db_returning", False)
+        ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/query.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/query.py
new file mode 100644
index 00000000..153fb119
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/query.py
@@ -0,0 +1,2733 @@
+"""
+The main QuerySet implementation. This provides the public API for the ORM.
+"""
+
+import copy
+import operator
+import warnings
+from itertools import chain, islice
+
+from asgiref.sync import sync_to_async
+
+import django
+from django.conf import settings
+from django.core import exceptions
+from django.db import (
+    DJANGO_VERSION_PICKLE_KEY,
+    IntegrityError,
+    NotSupportedError,
+    connections,
+    router,
+    transaction,
+)
+from django.db.models import AutoField, DateField, DateTimeField, Field, sql
+from django.db.models.constants import LOOKUP_SEP, OnConflict
+from django.db.models.deletion import Collector
+from django.db.models.expressions import Case, F, Value, When
+from django.db.models.functions import Cast, Trunc
+from django.db.models.query_utils import FilteredRelation, Q
+from django.db.models.sql.constants import CURSOR, GET_ITERATOR_CHUNK_SIZE
+from django.db.models.utils import (
+    AltersData,
+    create_namedtuple_class,
+    resolve_callables,
+)
+from django.utils import timezone
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import cached_property, partition
+
+# The maximum number of results to fetch in a get() query.
+MAX_GET_RESULTS = 21
+
+# The maximum number of items to display in a QuerySet.__repr__
+REPR_OUTPUT_SIZE = 20
+
+
+class BaseIterable:
+    def __init__(
+        self, queryset, chunked_fetch=False, chunk_size=GET_ITERATOR_CHUNK_SIZE
+    ):
+        self.queryset = queryset
+        self.chunked_fetch = chunked_fetch
+        self.chunk_size = chunk_size
+
+    async def _async_generator(self):
+        # Generators don't actually start running until the first time you call
+        # next() on them, so make the generator object in the async thread and
+        # then repeatedly dispatch to it in a sync thread.
+        sync_generator = self.__iter__()
+
+        def next_slice(gen):
+            return list(islice(gen, self.chunk_size))
+
+        while True:
+            chunk = await sync_to_async(next_slice)(sync_generator)
+            for item in chunk:
+                yield item
+            if len(chunk) < self.chunk_size:
+                break
+
+    # __aiter__() is a *synchronous* method that has to then return an
+    # *asynchronous* iterator/generator. Thus, nest an async generator inside
+    # it.
+    # This is a generic iterable converter for now, and is going to suffer a
+    # performance penalty on large sets of items due to the cost of crossing
+    # over the sync barrier for each chunk. Custom __aiter__() methods should
+    # be added to each Iterable subclass, but that needs some work in the
+    # Compiler first.
+    def __aiter__(self):
+        return self._async_generator()
+
+
+class ModelIterable(BaseIterable):
+    """Iterable that yields a model instance for each row."""
+
+    def __iter__(self):
+        queryset = self.queryset
+        db = queryset.db
+        compiler = queryset.query.get_compiler(using=db)
+        # Execute the query. This will also fill compiler.select, klass_info,
+        # and annotations.
+        results = compiler.execute_sql(
+            chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size
+        )
+        select, klass_info, annotation_col_map = (
+            compiler.select,
+            compiler.klass_info,
+            compiler.annotation_col_map,
+        )
+        model_cls = klass_info["model"]
+        select_fields = klass_info["select_fields"]
+        model_fields_start, model_fields_end = select_fields[0], select_fields[-1] + 1
+        init_list = [
+            f[0].target.attname for f in select[model_fields_start:model_fields_end]
+        ]
+        related_populators = get_related_populators(klass_info, select, db)
+        known_related_objects = [
+            (
+                field,
+                related_objs,
+                operator.attrgetter(
+                    *[
+                        (
+                            field.attname
+                            if from_field == "self"
+                            else queryset.model._meta.get_field(from_field).attname
+                        )
+                        for from_field in field.from_fields
+                    ]
+                ),
+            )
+            for field, related_objs in queryset._known_related_objects.items()
+        ]
+        for row in compiler.results_iter(results):
+            obj = model_cls.from_db(
+                db, init_list, row[model_fields_start:model_fields_end]
+            )
+            for rel_populator in related_populators:
+                rel_populator.populate(row, obj)
+            if annotation_col_map:
+                for attr_name, col_pos in annotation_col_map.items():
+                    setattr(obj, attr_name, row[col_pos])
+
+            # Add the known related objects to the model.
+            for field, rel_objs, rel_getter in known_related_objects:
+                # Avoid overwriting objects loaded by, e.g., select_related().
+                if field.is_cached(obj):
+                    continue
+                rel_obj_id = rel_getter(obj)
+                try:
+                    rel_obj = rel_objs[rel_obj_id]
+                except KeyError:
+                    pass  # May happen in qs1 | qs2 scenarios.
+                else:
+                    setattr(obj, field.name, rel_obj)
+
+            yield obj
+
+
+class RawModelIterable(BaseIterable):
+    """
+    Iterable that yields a model instance for each row from a raw queryset.
+    """
+
+    def __iter__(self):
+        # Cache some things for performance reasons outside the loop.
+        db = self.queryset.db
+        query = self.queryset.query
+        connection = connections[db]
+        compiler = connection.ops.compiler("SQLCompiler")(query, connection, db)
+        query_iterator = iter(query)
+
+        try:
+            (
+                model_init_names,
+                model_init_pos,
+                annotation_fields,
+            ) = self.queryset.resolve_model_init_order()
+            model_cls = self.queryset.model
+            if model_cls._meta.pk.attname not in model_init_names:
+                raise exceptions.FieldDoesNotExist(
+                    "Raw query must include the primary key"
+                )
+            fields = [self.queryset.model_fields.get(c) for c in self.queryset.columns]
+            converters = compiler.get_converters(
+                [f.get_col(f.model._meta.db_table) if f else None for f in fields]
+            )
+            if converters:
+                query_iterator = compiler.apply_converters(query_iterator, converters)
+            for values in query_iterator:
+                # Associate fields to values
+                model_init_values = [values[pos] for pos in model_init_pos]
+                instance = model_cls.from_db(db, model_init_names, model_init_values)
+                if annotation_fields:
+                    for column, pos in annotation_fields:
+                        setattr(instance, column, values[pos])
+                yield instance
+        finally:
+            # Done iterating the Query. If it has its own cursor, close it.
+            if hasattr(query, "cursor") and query.cursor:
+                query.cursor.close()
+
+
+class ValuesIterable(BaseIterable):
+    """
+    Iterable returned by QuerySet.values() that yields a dict for each row.
+    """
+
+    def __iter__(self):
+        queryset = self.queryset
+        query = queryset.query
+        compiler = query.get_compiler(queryset.db)
+
+        # extra(select=...) cols are always at the start of the row.
+        names = [
+            *query.extra_select,
+            *query.values_select,
+            *query.annotation_select,
+        ]
+        indexes = range(len(names))
+        for row in compiler.results_iter(
+            chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size
+        ):
+            yield {names[i]: row[i] for i in indexes}
+
+
+class ValuesListIterable(BaseIterable):
+    """
+    Iterable returned by QuerySet.values_list(flat=False) that yields a tuple
+    for each row.
+    """
+
+    def __iter__(self):
+        queryset = self.queryset
+        query = queryset.query
+        compiler = query.get_compiler(queryset.db)
+
+        if queryset._fields:
+            # extra(select=...) cols are always at the start of the row.
+            names = [
+                *query.extra_select,
+                *query.values_select,
+                *query.annotation_select,
+            ]
+            fields = [
+                *queryset._fields,
+                *(f for f in query.annotation_select if f not in queryset._fields),
+            ]
+            if fields != names:
+                # Reorder according to fields.
+                index_map = {name: idx for idx, name in enumerate(names)}
+                rowfactory = operator.itemgetter(*[index_map[f] for f in fields])
+                return map(
+                    rowfactory,
+                    compiler.results_iter(
+                        chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size
+                    ),
+                )
+        return compiler.results_iter(
+            tuple_expected=True,
+            chunked_fetch=self.chunked_fetch,
+            chunk_size=self.chunk_size,
+        )
+
+
+class NamedValuesListIterable(ValuesListIterable):
+    """
+    Iterable returned by QuerySet.values_list(named=True) that yields a
+    namedtuple for each row.
+    """
+
+    def __iter__(self):
+        queryset = self.queryset
+        if queryset._fields:
+            names = queryset._fields
+        else:
+            query = queryset.query
+            names = [
+                *query.extra_select,
+                *query.values_select,
+                *query.annotation_select,
+            ]
+        tuple_class = create_namedtuple_class(*names)
+        new = tuple.__new__
+        for row in super().__iter__():
+            yield new(tuple_class, row)
+
+
+class FlatValuesListIterable(BaseIterable):
+    """
+    Iterable returned by QuerySet.values_list(flat=True) that yields single
+    values.
+    """
+
+    def __iter__(self):
+        queryset = self.queryset
+        compiler = queryset.query.get_compiler(queryset.db)
+        for row in compiler.results_iter(
+            chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size
+        ):
+            yield row[0]
+
+
+class QuerySet(AltersData):
+    """Represent a lazy database lookup for a set of objects."""
+
+    def __init__(self, model=None, query=None, using=None, hints=None):
+        self.model = model
+        self._db = using
+        self._hints = hints or {}
+        self._query = query or sql.Query(self.model)
+        self._result_cache = None
+        self._sticky_filter = False
+        self._for_write = False
+        self._prefetch_related_lookups = ()
+        self._prefetch_done = False
+        self._known_related_objects = {}  # {rel_field: {pk: rel_obj}}
+        self._iterable_class = ModelIterable
+        self._fields = None
+        self._defer_next_filter = False
+        self._deferred_filter = None
+
+    @property
+    def query(self):
+        if self._deferred_filter:
+            negate, args, kwargs = self._deferred_filter
+            self._filter_or_exclude_inplace(negate, args, kwargs)
+            self._deferred_filter = None
+        return self._query
+
+    @query.setter
+    def query(self, value):
+        if value.values_select:
+            self._iterable_class = ValuesIterable
+        self._query = value
+
+    def as_manager(cls):
+        # Address the circular dependency between `Queryset` and `Manager`.
+        from django.db.models.manager import Manager
+
+        manager = Manager.from_queryset(cls)()
+        manager._built_with_as_manager = True
+        return manager
+
+    as_manager.queryset_only = True
+    as_manager = classmethod(as_manager)
+
+    ########################
+    # PYTHON MAGIC METHODS #
+    ########################
+
+    def __deepcopy__(self, memo):
+        """Don't populate the QuerySet's cache."""
+        obj = self.__class__()
+        for k, v in self.__dict__.items():
+            if k == "_result_cache":
+                obj.__dict__[k] = None
+            else:
+                obj.__dict__[k] = copy.deepcopy(v, memo)
+        return obj
+
+    def __getstate__(self):
+        # Force the cache to be fully populated.
+        self._fetch_all()
+        return {**self.__dict__, DJANGO_VERSION_PICKLE_KEY: django.__version__}
+
+    def __setstate__(self, state):
+        pickled_version = state.get(DJANGO_VERSION_PICKLE_KEY)
+        if pickled_version:
+            if pickled_version != django.__version__:
+                warnings.warn(
+                    "Pickled queryset instance's Django version %s does not "
+                    "match the current version %s."
+                    % (pickled_version, django.__version__),
+                    RuntimeWarning,
+                    stacklevel=2,
+                )
+        else:
+            warnings.warn(
+                "Pickled queryset instance's Django version is not specified.",
+                RuntimeWarning,
+                stacklevel=2,
+            )
+        self.__dict__.update(state)
+
+    def __repr__(self):
+        data = list(self[: REPR_OUTPUT_SIZE + 1])
+        if len(data) > REPR_OUTPUT_SIZE:
+            data[-1] = "...(remaining elements truncated)..."
+        return "<%s %r>" % (self.__class__.__name__, data)
+
+    def __len__(self):
+        self._fetch_all()
+        return len(self._result_cache)
+
+    def __iter__(self):
+        """
+        The queryset iterator protocol uses three nested iterators in the
+        default case:
+            1. sql.compiler.execute_sql()
+               - Returns 100 rows at time (constants.GET_ITERATOR_CHUNK_SIZE)
+                 using cursor.fetchmany(). This part is responsible for
+                 doing some column masking, and returning the rows in chunks.
+            2. sql.compiler.results_iter()
+               - Returns one row at time. At this point the rows are still just
+                 tuples. In some cases the return values are converted to
+                 Python values at this location.
+            3. self.iterator()
+               - Responsible for turning the rows into model objects.
+        """
+        self._fetch_all()
+        return iter(self._result_cache)
+
+    def __aiter__(self):
+        # Remember, __aiter__ itself is synchronous, it's the thing it returns
+        # that is async!
+        async def generator():
+            await sync_to_async(self._fetch_all)()
+            for item in self._result_cache:
+                yield item
+
+        return generator()
+
+    def __bool__(self):
+        self._fetch_all()
+        return bool(self._result_cache)
+
+    def __getitem__(self, k):
+        """Retrieve an item or slice from the set of results."""
+        if not isinstance(k, (int, slice)):
+            raise TypeError(
+                "QuerySet indices must be integers or slices, not %s."
+                % type(k).__name__
+            )
+        if (isinstance(k, int) and k < 0) or (
+            isinstance(k, slice)
+            and (
+                (k.start is not None and k.start < 0)
+                or (k.stop is not None and k.stop < 0)
+            )
+        ):
+            raise ValueError("Negative indexing is not supported.")
+
+        if self._result_cache is not None:
+            return self._result_cache[k]
+
+        if isinstance(k, slice):
+            qs = self._chain()
+            if k.start is not None:
+                start = int(k.start)
+            else:
+                start = None
+            if k.stop is not None:
+                stop = int(k.stop)
+            else:
+                stop = None
+            qs.query.set_limits(start, stop)
+            return list(qs)[:: k.step] if k.step else qs
+
+        qs = self._chain()
+        qs.query.set_limits(k, k + 1)
+        qs._fetch_all()
+        return qs._result_cache[0]
+
+    def __class_getitem__(cls, *args, **kwargs):
+        return cls
+
+    def __and__(self, other):
+        self._check_operator_queryset(other, "&")
+        self._merge_sanity_check(other)
+        if isinstance(other, EmptyQuerySet):
+            return other
+        if isinstance(self, EmptyQuerySet):
+            return self
+        combined = self._chain()
+        combined._merge_known_related_objects(other)
+        combined.query.combine(other.query, sql.AND)
+        return combined
+
+    def __or__(self, other):
+        self._check_operator_queryset(other, "|")
+        self._merge_sanity_check(other)
+        if isinstance(self, EmptyQuerySet):
+            return other
+        if isinstance(other, EmptyQuerySet):
+            return self
+        query = (
+            self
+            if self.query.can_filter()
+            else self.model._base_manager.filter(pk__in=self.values("pk"))
+        )
+        combined = query._chain()
+        combined._merge_known_related_objects(other)
+        if not other.query.can_filter():
+            other = other.model._base_manager.filter(pk__in=other.values("pk"))
+        combined.query.combine(other.query, sql.OR)
+        return combined
+
+    def __xor__(self, other):
+        self._check_operator_queryset(other, "^")
+        self._merge_sanity_check(other)
+        if isinstance(self, EmptyQuerySet):
+            return other
+        if isinstance(other, EmptyQuerySet):
+            return self
+        query = (
+            self
+            if self.query.can_filter()
+            else self.model._base_manager.filter(pk__in=self.values("pk"))
+        )
+        combined = query._chain()
+        combined._merge_known_related_objects(other)
+        if not other.query.can_filter():
+            other = other.model._base_manager.filter(pk__in=other.values("pk"))
+        combined.query.combine(other.query, sql.XOR)
+        return combined
+
+    ####################################
+    # METHODS THAT DO DATABASE QUERIES #
+    ####################################
+
+    def _iterator(self, use_chunked_fetch, chunk_size):
+        iterable = self._iterable_class(
+            self,
+            chunked_fetch=use_chunked_fetch,
+            chunk_size=chunk_size or 2000,
+        )
+        if not self._prefetch_related_lookups or chunk_size is None:
+            yield from iterable
+            return
+
+        iterator = iter(iterable)
+        while results := list(islice(iterator, chunk_size)):
+            prefetch_related_objects(results, *self._prefetch_related_lookups)
+            yield from results
+
+    def iterator(self, chunk_size=None):
+        """
+        An iterator over the results from applying this QuerySet to the
+        database. chunk_size must be provided for QuerySets that prefetch
+        related objects. Otherwise, a default chunk_size of 2000 is supplied.
+        """
+        if chunk_size is None:
+            if self._prefetch_related_lookups:
+                raise ValueError(
+                    "chunk_size must be provided when using QuerySet.iterator() after "
+                    "prefetch_related()."
+                )
+        elif chunk_size <= 0:
+            raise ValueError("Chunk size must be strictly positive.")
+        use_chunked_fetch = not connections[self.db].settings_dict.get(
+            "DISABLE_SERVER_SIDE_CURSORS"
+        )
+        return self._iterator(use_chunked_fetch, chunk_size)
+
+    async def aiterator(self, chunk_size=2000):
+        """
+        An asynchronous iterator over the results from applying this QuerySet
+        to the database.
+        """
+        if chunk_size <= 0:
+            raise ValueError("Chunk size must be strictly positive.")
+        use_chunked_fetch = not connections[self.db].settings_dict.get(
+            "DISABLE_SERVER_SIDE_CURSORS"
+        )
+        iterable = self._iterable_class(
+            self, chunked_fetch=use_chunked_fetch, chunk_size=chunk_size
+        )
+        if self._prefetch_related_lookups:
+            results = []
+
+            async for item in iterable:
+                results.append(item)
+                if len(results) >= chunk_size:
+                    await aprefetch_related_objects(
+                        results, *self._prefetch_related_lookups
+                    )
+                    for result in results:
+                        yield result
+                    results.clear()
+
+            if results:
+                await aprefetch_related_objects(
+                    results, *self._prefetch_related_lookups
+                )
+                for result in results:
+                    yield result
+        else:
+            async for item in iterable:
+                yield item
+
+    def aggregate(self, *args, **kwargs):
+        """
+        Return a dictionary containing the calculations (aggregation)
+        over the current queryset.
+
+        If args is present the expression is passed as a kwarg using
+        the Aggregate object's default alias.
+        """
+        if self.query.distinct_fields:
+            raise NotImplementedError("aggregate() + distinct(fields) not implemented.")
+        self._validate_values_are_expressions(
+            (*args, *kwargs.values()), method_name="aggregate"
+        )
+        for arg in args:
+            # The default_alias property raises TypeError if default_alias
+            # can't be set automatically or AttributeError if it isn't an
+            # attribute.
+            try:
+                arg.default_alias
+            except (AttributeError, TypeError):
+                raise TypeError("Complex aggregates require an alias")
+            kwargs[arg.default_alias] = arg
+
+        return self.query.chain().get_aggregation(self.db, kwargs)
+
+    async def aaggregate(self, *args, **kwargs):
+        return await sync_to_async(self.aggregate)(*args, **kwargs)
+
+    def count(self):
+        """
+        Perform a SELECT COUNT() and return the number of records as an
+        integer.
+
+        If the QuerySet is already fully cached, return the length of the
+        cached results set to avoid multiple SELECT COUNT(*) calls.
+        """
+        if self._result_cache is not None:
+            return len(self._result_cache)
+
+        return self.query.get_count(using=self.db)
+
+    async def acount(self):
+        return await sync_to_async(self.count)()
+
+    def get(self, *args, **kwargs):
+        """
+        Perform the query and return a single object matching the given
+        keyword arguments.
+        """
+        if self.query.combinator and (args or kwargs):
+            raise NotSupportedError(
+                "Calling QuerySet.get(...) with filters after %s() is not "
+                "supported." % self.query.combinator
+            )
+        clone = self._chain() if self.query.combinator else self.filter(*args, **kwargs)
+        if self.query.can_filter() and not self.query.distinct_fields:
+            clone = clone.order_by()
+        limit = None
+        if (
+            not clone.query.select_for_update
+            or connections[clone.db].features.supports_select_for_update_with_limit
+        ):
+            limit = MAX_GET_RESULTS
+            clone.query.set_limits(high=limit)
+        num = len(clone)
+        if num == 1:
+            return clone._result_cache[0]
+        if not num:
+            raise self.model.DoesNotExist(
+                "%s matching query does not exist." % self.model._meta.object_name
+            )
+        raise self.model.MultipleObjectsReturned(
+            "get() returned more than one %s -- it returned %s!"
+            % (
+                self.model._meta.object_name,
+                num if not limit or num < limit else "more than %s" % (limit - 1),
+            )
+        )
+
+    async def aget(self, *args, **kwargs):
+        return await sync_to_async(self.get)(*args, **kwargs)
+
+    def create(self, **kwargs):
+        """
+        Create a new object with the given kwargs, saving it to the database
+        and returning the created object.
+        """
+        reverse_one_to_one_fields = frozenset(kwargs).intersection(
+            self.model._meta._reverse_one_to_one_field_names
+        )
+        if reverse_one_to_one_fields:
+            raise ValueError(
+                "The following fields do not exist in this model: %s"
+                % ", ".join(reverse_one_to_one_fields)
+            )
+
+        obj = self.model(**kwargs)
+        self._for_write = True
+        obj.save(force_insert=True, using=self.db)
+        return obj
+
+    async def acreate(self, **kwargs):
+        return await sync_to_async(self.create)(**kwargs)
+
+    def _prepare_for_bulk_create(self, objs):
+        from django.db.models.expressions import DatabaseDefault
+
+        connection = connections[self.db]
+        for obj in objs:
+            if obj.pk is None:
+                # Populate new PK values.
+                obj.pk = obj._meta.pk.get_pk_value_on_save(obj)
+            if not connection.features.supports_default_keyword_in_bulk_insert:
+                for field in obj._meta.fields:
+                    if field.generated:
+                        continue
+                    value = getattr(obj, field.attname)
+                    if isinstance(value, DatabaseDefault):
+                        setattr(obj, field.attname, field.db_default)
+
+            obj._prepare_related_fields_for_save(operation_name="bulk_create")
+
+    def _check_bulk_create_options(
+        self, ignore_conflicts, update_conflicts, update_fields, unique_fields
+    ):
+        if ignore_conflicts and update_conflicts:
+            raise ValueError(
+                "ignore_conflicts and update_conflicts are mutually exclusive."
+            )
+        db_features = connections[self.db].features
+        if ignore_conflicts:
+            if not db_features.supports_ignore_conflicts:
+                raise NotSupportedError(
+                    "This database backend does not support ignoring conflicts."
+                )
+            return OnConflict.IGNORE
+        elif update_conflicts:
+            if not db_features.supports_update_conflicts:
+                raise NotSupportedError(
+                    "This database backend does not support updating conflicts."
+                )
+            if not update_fields:
+                raise ValueError(
+                    "Fields that will be updated when a row insertion fails "
+                    "on conflicts must be provided."
+                )
+            if unique_fields and not db_features.supports_update_conflicts_with_target:
+                raise NotSupportedError(
+                    "This database backend does not support updating "
+                    "conflicts with specifying unique fields that can trigger "
+                    "the upsert."
+                )
+            if not unique_fields and db_features.supports_update_conflicts_with_target:
+                raise ValueError(
+                    "Unique fields that can trigger the upsert must be provided."
+                )
+            # Updating primary keys and non-concrete fields is forbidden.
+            if any(not f.concrete or f.many_to_many for f in update_fields):
+                raise ValueError(
+                    "bulk_create() can only be used with concrete fields in "
+                    "update_fields."
+                )
+            if any(f.primary_key for f in update_fields):
+                raise ValueError(
+                    "bulk_create() cannot be used with primary keys in "
+                    "update_fields."
+                )
+            if unique_fields:
+                if any(not f.concrete or f.many_to_many for f in unique_fields):
+                    raise ValueError(
+                        "bulk_create() can only be used with concrete fields "
+                        "in unique_fields."
+                    )
+            return OnConflict.UPDATE
+        return None
+
+    def bulk_create(
+        self,
+        objs,
+        batch_size=None,
+        ignore_conflicts=False,
+        update_conflicts=False,
+        update_fields=None,
+        unique_fields=None,
+    ):
+        """
+        Insert each of the instances into the database. Do *not* call
+        save() on each of the instances, do not send any pre/post_save
+        signals, and do not set the primary key attribute if it is an
+        autoincrement field (except if features.can_return_rows_from_bulk_insert=True).
+        Multi-table models are not supported.
+        """
+        # When you bulk insert you don't get the primary keys back (if it's an
+        # autoincrement, except if can_return_rows_from_bulk_insert=True), so
+        # you can't insert into the child tables which references this. There
+        # are two workarounds:
+        # 1) This could be implemented if you didn't have an autoincrement pk
+        # 2) You could do it by doing O(n) normal inserts into the parent
+        #    tables to get the primary keys back and then doing a single bulk
+        #    insert into the childmost table.
+        # We currently set the primary keys on the objects when using
+        # PostgreSQL via the RETURNING ID clause. It should be possible for
+        # Oracle as well, but the semantics for extracting the primary keys is
+        # trickier so it's not done yet.
+        if batch_size is not None and batch_size <= 0:
+            raise ValueError("Batch size must be a positive integer.")
+        # Check that the parents share the same concrete model with the our
+        # model to detect the inheritance pattern ConcreteGrandParent ->
+        # MultiTableParent -> ProxyChild. Simply checking self.model._meta.proxy
+        # would not identify that case as involving multiple tables.
+        for parent in self.model._meta.get_parent_list():
+            if parent._meta.concrete_model is not self.model._meta.concrete_model:
+                raise ValueError("Can't bulk create a multi-table inherited model")
+        if not objs:
+            return objs
+        opts = self.model._meta
+        if unique_fields:
+            # Primary key is allowed in unique_fields.
+            unique_fields = [
+                self.model._meta.get_field(opts.pk.name if name == "pk" else name)
+                for name in unique_fields
+            ]
+        if update_fields:
+            update_fields = [self.model._meta.get_field(name) for name in update_fields]
+        on_conflict = self._check_bulk_create_options(
+            ignore_conflicts,
+            update_conflicts,
+            update_fields,
+            unique_fields,
+        )
+        self._for_write = True
+        fields = [f for f in opts.concrete_fields if not f.generated]
+        objs = list(objs)
+        self._prepare_for_bulk_create(objs)
+        with transaction.atomic(using=self.db, savepoint=False):
+            objs_with_pk, objs_without_pk = partition(lambda o: o.pk is None, objs)
+            if objs_with_pk:
+                returned_columns = self._batched_insert(
+                    objs_with_pk,
+                    fields,
+                    batch_size,
+                    on_conflict=on_conflict,
+                    update_fields=update_fields,
+                    unique_fields=unique_fields,
+                )
+                for obj_with_pk, results in zip(objs_with_pk, returned_columns):
+                    for result, field in zip(results, opts.db_returning_fields):
+                        if field != opts.pk:
+                            setattr(obj_with_pk, field.attname, result)
+                for obj_with_pk in objs_with_pk:
+                    obj_with_pk._state.adding = False
+                    obj_with_pk._state.db = self.db
+            if objs_without_pk:
+                fields = [f for f in fields if not isinstance(f, AutoField)]
+                returned_columns = self._batched_insert(
+                    objs_without_pk,
+                    fields,
+                    batch_size,
+                    on_conflict=on_conflict,
+                    update_fields=update_fields,
+                    unique_fields=unique_fields,
+                )
+                connection = connections[self.db]
+                if (
+                    connection.features.can_return_rows_from_bulk_insert
+                    and on_conflict is None
+                ):
+                    assert len(returned_columns) == len(objs_without_pk)
+                for obj_without_pk, results in zip(objs_without_pk, returned_columns):
+                    for result, field in zip(results, opts.db_returning_fields):
+                        setattr(obj_without_pk, field.attname, result)
+                    obj_without_pk._state.adding = False
+                    obj_without_pk._state.db = self.db
+
+        return objs
+
+    async def abulk_create(
+        self,
+        objs,
+        batch_size=None,
+        ignore_conflicts=False,
+        update_conflicts=False,
+        update_fields=None,
+        unique_fields=None,
+    ):
+        return await sync_to_async(self.bulk_create)(
+            objs=objs,
+            batch_size=batch_size,
+            ignore_conflicts=ignore_conflicts,
+            update_conflicts=update_conflicts,
+            update_fields=update_fields,
+            unique_fields=unique_fields,
+        )
+
+    def bulk_update(self, objs, fields, batch_size=None):
+        """
+        Update the given fields in each of the given objects in the database.
+        """
+        if batch_size is not None and batch_size <= 0:
+            raise ValueError("Batch size must be a positive integer.")
+        if not fields:
+            raise ValueError("Field names must be given to bulk_update().")
+        objs = tuple(objs)
+        if any(obj.pk is None for obj in objs):
+            raise ValueError("All bulk_update() objects must have a primary key set.")
+        fields = [self.model._meta.get_field(name) for name in fields]
+        if any(not f.concrete or f.many_to_many for f in fields):
+            raise ValueError("bulk_update() can only be used with concrete fields.")
+        if any(f.primary_key for f in fields):
+            raise ValueError("bulk_update() cannot be used with primary key fields.")
+        if not objs:
+            return 0
+        for obj in objs:
+            obj._prepare_related_fields_for_save(
+                operation_name="bulk_update", fields=fields
+            )
+        # PK is used twice in the resulting update query, once in the filter
+        # and once in the WHEN. Each field will also have one CAST.
+        self._for_write = True
+        connection = connections[self.db]
+        max_batch_size = connection.ops.bulk_batch_size(["pk", "pk"] + fields, objs)
+        batch_size = min(batch_size, max_batch_size) if batch_size else max_batch_size
+        requires_casting = connection.features.requires_casted_case_in_updates
+        batches = (objs[i : i + batch_size] for i in range(0, len(objs), batch_size))
+        updates = []
+        for batch_objs in batches:
+            update_kwargs = {}
+            for field in fields:
+                when_statements = []
+                for obj in batch_objs:
+                    attr = getattr(obj, field.attname)
+                    if not hasattr(attr, "resolve_expression"):
+                        attr = Value(attr, output_field=field)
+                    when_statements.append(When(pk=obj.pk, then=attr))
+                case_statement = Case(*when_statements, output_field=field)
+                if requires_casting:
+                    case_statement = Cast(case_statement, output_field=field)
+                update_kwargs[field.attname] = case_statement
+            updates.append(([obj.pk for obj in batch_objs], update_kwargs))
+        rows_updated = 0
+        queryset = self.using(self.db)
+        with transaction.atomic(using=self.db, savepoint=False):
+            for pks, update_kwargs in updates:
+                rows_updated += queryset.filter(pk__in=pks).update(**update_kwargs)
+        return rows_updated
+
+    bulk_update.alters_data = True
+
+    async def abulk_update(self, objs, fields, batch_size=None):
+        return await sync_to_async(self.bulk_update)(
+            objs=objs,
+            fields=fields,
+            batch_size=batch_size,
+        )
+
+    abulk_update.alters_data = True
+
+    def get_or_create(self, defaults=None, **kwargs):
+        """
+        Look up an object with the given kwargs, creating one if necessary.
+        Return a tuple of (object, created), where created is a boolean
+        specifying whether an object was created.
+        """
+        # The get() needs to be targeted at the write database in order
+        # to avoid potential transaction consistency problems.
+        self._for_write = True
+        try:
+            return self.get(**kwargs), False
+        except self.model.DoesNotExist:
+            params = self._extract_model_params(defaults, **kwargs)
+            # Try to create an object using passed params.
+            try:
+                with transaction.atomic(using=self.db):
+                    params = dict(resolve_callables(params))
+                    return self.create(**params), True
+            except IntegrityError:
+                try:
+                    return self.get(**kwargs), False
+                except self.model.DoesNotExist:
+                    pass
+                raise
+
+    async def aget_or_create(self, defaults=None, **kwargs):
+        return await sync_to_async(self.get_or_create)(
+            defaults=defaults,
+            **kwargs,
+        )
+
+    def update_or_create(self, defaults=None, create_defaults=None, **kwargs):
+        """
+        Look up an object with the given kwargs, updating one with defaults
+        if it exists, otherwise create a new one. Optionally, an object can
+        be created with different values than defaults by using
+        create_defaults.
+        Return a tuple (object, created), where created is a boolean
+        specifying whether an object was created.
+        """
+        update_defaults = defaults or {}
+        if create_defaults is None:
+            create_defaults = update_defaults
+
+        self._for_write = True
+        with transaction.atomic(using=self.db):
+            # Lock the row so that a concurrent update is blocked until
+            # update_or_create() has performed its save.
+            obj, created = self.select_for_update().get_or_create(
+                create_defaults, **kwargs
+            )
+            if created:
+                return obj, created
+            for k, v in resolve_callables(update_defaults):
+                setattr(obj, k, v)
+
+            update_fields = set(update_defaults)
+            concrete_field_names = self.model._meta._non_pk_concrete_field_names
+            # update_fields does not support non-concrete fields.
+            if concrete_field_names.issuperset(update_fields):
+                # Add fields which are set on pre_save(), e.g. auto_now fields.
+                # This is to maintain backward compatibility as these fields
+                # are not updated unless explicitly specified in the
+                # update_fields list.
+                for field in self.model._meta.local_concrete_fields:
+                    if not (
+                        field.primary_key or field.__class__.pre_save is Field.pre_save
+                    ):
+                        update_fields.add(field.name)
+                        if field.name != field.attname:
+                            update_fields.add(field.attname)
+                obj.save(using=self.db, update_fields=update_fields)
+            else:
+                obj.save(using=self.db)
+        return obj, False
+
+    async def aupdate_or_create(self, defaults=None, create_defaults=None, **kwargs):
+        return await sync_to_async(self.update_or_create)(
+            defaults=defaults,
+            create_defaults=create_defaults,
+            **kwargs,
+        )
+
+    def _extract_model_params(self, defaults, **kwargs):
+        """
+        Prepare `params` for creating a model instance based on the given
+        kwargs; for use by get_or_create().
+        """
+        defaults = defaults or {}
+        params = {k: v for k, v in kwargs.items() if LOOKUP_SEP not in k}
+        params.update(defaults)
+        property_names = self.model._meta._property_names
+        invalid_params = []
+        for param in params:
+            try:
+                self.model._meta.get_field(param)
+            except exceptions.FieldDoesNotExist:
+                # It's okay to use a model's property if it has a setter.
+                if not (param in property_names and getattr(self.model, param).fset):
+                    invalid_params.append(param)
+        if invalid_params:
+            raise exceptions.FieldError(
+                "Invalid field name(s) for model %s: '%s'."
+                % (
+                    self.model._meta.object_name,
+                    "', '".join(sorted(invalid_params)),
+                )
+            )
+        return params
+
+    def _earliest(self, *fields):
+        """
+        Return the earliest object according to fields (if given) or by the
+        model's Meta.get_latest_by.
+        """
+        if fields:
+            order_by = fields
+        else:
+            order_by = getattr(self.model._meta, "get_latest_by")
+            if order_by and not isinstance(order_by, (tuple, list)):
+                order_by = (order_by,)
+        if order_by is None:
+            raise ValueError(
+                "earliest() and latest() require either fields as positional "
+                "arguments or 'get_latest_by' in the model's Meta."
+            )
+        obj = self._chain()
+        obj.query.set_limits(high=1)
+        obj.query.clear_ordering(force=True)
+        obj.query.add_ordering(*order_by)
+        return obj.get()
+
+    def earliest(self, *fields):
+        if self.query.is_sliced:
+            raise TypeError("Cannot change a query once a slice has been taken.")
+        return self._earliest(*fields)
+
+    async def aearliest(self, *fields):
+        return await sync_to_async(self.earliest)(*fields)
+
+    def latest(self, *fields):
+        """
+        Return the latest object according to fields (if given) or by the
+        model's Meta.get_latest_by.
+        """
+        if self.query.is_sliced:
+            raise TypeError("Cannot change a query once a slice has been taken.")
+        return self.reverse()._earliest(*fields)
+
+    async def alatest(self, *fields):
+        return await sync_to_async(self.latest)(*fields)
+
+    def first(self):
+        """Return the first object of a query or None if no match is found."""
+        if self.ordered:
+            queryset = self
+        else:
+            self._check_ordering_first_last_queryset_aggregation(method="first")
+            queryset = self.order_by("pk")
+        for obj in queryset[:1]:
+            return obj
+
+    async def afirst(self):
+        return await sync_to_async(self.first)()
+
+    def last(self):
+        """Return the last object of a query or None if no match is found."""
+        if self.ordered:
+            queryset = self.reverse()
+        else:
+            self._check_ordering_first_last_queryset_aggregation(method="last")
+            queryset = self.order_by("-pk")
+        for obj in queryset[:1]:
+            return obj
+
+    async def alast(self):
+        return await sync_to_async(self.last)()
+
+    def in_bulk(self, id_list=None, *, field_name="pk"):
+        """
+        Return a dictionary mapping each of the given IDs to the object with
+        that ID. If `id_list` isn't provided, evaluate the entire QuerySet.
+        """
+        if self.query.is_sliced:
+            raise TypeError("Cannot use 'limit' or 'offset' with in_bulk().")
+        opts = self.model._meta
+        unique_fields = [
+            constraint.fields[0]
+            for constraint in opts.total_unique_constraints
+            if len(constraint.fields) == 1
+        ]
+        if (
+            field_name != "pk"
+            and not opts.get_field(field_name).unique
+            and field_name not in unique_fields
+            and self.query.distinct_fields != (field_name,)
+        ):
+            raise ValueError(
+                "in_bulk()'s field_name must be a unique field but %r isn't."
+                % field_name
+            )
+        if id_list is not None:
+            if not id_list:
+                return {}
+            filter_key = "{}__in".format(field_name)
+            batch_size = connections[self.db].features.max_query_params
+            id_list = tuple(id_list)
+            # If the database has a limit on the number of query parameters
+            # (e.g. SQLite), retrieve objects in batches if necessary.
+            if batch_size and batch_size < len(id_list):
+                qs = ()
+                for offset in range(0, len(id_list), batch_size):
+                    batch = id_list[offset : offset + batch_size]
+                    qs += tuple(self.filter(**{filter_key: batch}))
+            else:
+                qs = self.filter(**{filter_key: id_list})
+        else:
+            qs = self._chain()
+        return {getattr(obj, field_name): obj for obj in qs}
+
+    async def ain_bulk(self, id_list=None, *, field_name="pk"):
+        return await sync_to_async(self.in_bulk)(
+            id_list=id_list,
+            field_name=field_name,
+        )
+
+    def delete(self):
+        """Delete the records in the current QuerySet."""
+        self._not_support_combined_queries("delete")
+        if self.query.is_sliced:
+            raise TypeError("Cannot use 'limit' or 'offset' with delete().")
+        if self.query.distinct_fields:
+            raise TypeError("Cannot call delete() after .distinct(*fields).")
+        if self._fields is not None:
+            raise TypeError("Cannot call delete() after .values() or .values_list()")
+
+        del_query = self._chain()
+
+        # The delete is actually 2 queries - one to find related objects,
+        # and one to delete. Make sure that the discovery of related
+        # objects is performed on the same database as the deletion.
+        del_query._for_write = True
+
+        # Disable non-supported fields.
+        del_query.query.select_for_update = False
+        del_query.query.select_related = False
+        del_query.query.clear_ordering(force=True)
+
+        collector = Collector(using=del_query.db, origin=self)
+        collector.collect(del_query)
+        deleted, _rows_count = collector.delete()
+
+        # Clear the result cache, in case this QuerySet gets reused.
+        self._result_cache = None
+        return deleted, _rows_count
+
+    delete.alters_data = True
+    delete.queryset_only = True
+
+    async def adelete(self):
+        return await sync_to_async(self.delete)()
+
+    adelete.alters_data = True
+    adelete.queryset_only = True
+
+    def _raw_delete(self, using):
+        """
+        Delete objects found from the given queryset in single direct SQL
+        query. No signals are sent and there is no protection for cascades.
+        """
+        query = self.query.clone()
+        query.__class__ = sql.DeleteQuery
+        cursor = query.get_compiler(using).execute_sql(CURSOR)
+        if cursor:
+            with cursor:
+                return cursor.rowcount
+        return 0
+
+    _raw_delete.alters_data = True
+
+    def update(self, **kwargs):
+        """
+        Update all elements in the current QuerySet, setting all the given
+        fields to the appropriate values.
+        """
+        self._not_support_combined_queries("update")
+        if self.query.is_sliced:
+            raise TypeError("Cannot update a query once a slice has been taken.")
+        self._for_write = True
+        query = self.query.chain(sql.UpdateQuery)
+        query.add_update_values(kwargs)
+
+        # Inline annotations in order_by(), if possible.
+        new_order_by = []
+        for col in query.order_by:
+            alias = col
+            descending = False
+            if isinstance(alias, str) and alias.startswith("-"):
+                alias = alias.removeprefix("-")
+                descending = True
+            if annotation := query.annotations.get(alias):
+                if getattr(annotation, "contains_aggregate", False):
+                    raise exceptions.FieldError(
+                        f"Cannot update when ordering by an aggregate: {annotation}"
+                    )
+                if descending:
+                    annotation = annotation.desc()
+                new_order_by.append(annotation)
+            else:
+                new_order_by.append(col)
+        query.order_by = tuple(new_order_by)
+
+        # Clear any annotations so that they won't be present in subqueries.
+        query.annotations = {}
+        with transaction.mark_for_rollback_on_error(using=self.db):
+            rows = query.get_compiler(self.db).execute_sql(CURSOR)
+        self._result_cache = None
+        return rows
+
+    update.alters_data = True
+
+    async def aupdate(self, **kwargs):
+        return await sync_to_async(self.update)(**kwargs)
+
+    aupdate.alters_data = True
+
+    def _update(self, values):
+        """
+        A version of update() that accepts field objects instead of field names.
+        Used primarily for model saving and not intended for use by general
+        code (it requires too much poking around at model internals to be
+        useful at that level).
+        """
+        if self.query.is_sliced:
+            raise TypeError("Cannot update a query once a slice has been taken.")
+        query = self.query.chain(sql.UpdateQuery)
+        query.add_update_fields(values)
+        # Clear any annotations so that they won't be present in subqueries.
+        query.annotations = {}
+        self._result_cache = None
+        return query.get_compiler(self.db).execute_sql(CURSOR)
+
+    _update.alters_data = True
+    _update.queryset_only = False
+
+    def exists(self):
+        """
+        Return True if the QuerySet would have any results, False otherwise.
+        """
+        if self._result_cache is None:
+            return self.query.has_results(using=self.db)
+        return bool(self._result_cache)
+
+    async def aexists(self):
+        return await sync_to_async(self.exists)()
+
+    def contains(self, obj):
+        """
+        Return True if the QuerySet contains the provided obj,
+        False otherwise.
+        """
+        self._not_support_combined_queries("contains")
+        if self._fields is not None:
+            raise TypeError(
+                "Cannot call QuerySet.contains() after .values() or .values_list()."
+            )
+        try:
+            if obj._meta.concrete_model != self.model._meta.concrete_model:
+                return False
+        except AttributeError:
+            raise TypeError("'obj' must be a model instance.")
+        if obj.pk is None:
+            raise ValueError("QuerySet.contains() cannot be used on unsaved objects.")
+        if self._result_cache is not None:
+            return obj in self._result_cache
+        return self.filter(pk=obj.pk).exists()
+
+    async def acontains(self, obj):
+        return await sync_to_async(self.contains)(obj=obj)
+
+    def _prefetch_related_objects(self):
+        # This method can only be called once the result cache has been filled.
+        prefetch_related_objects(self._result_cache, *self._prefetch_related_lookups)
+        self._prefetch_done = True
+
+    def explain(self, *, format=None, **options):
+        """
+        Runs an EXPLAIN on the SQL query this QuerySet would perform, and
+        returns the results.
+        """
+        return self.query.explain(using=self.db, format=format, **options)
+
+    async def aexplain(self, *, format=None, **options):
+        return await sync_to_async(self.explain)(format=format, **options)
+
+    ##################################################
+    # PUBLIC METHODS THAT RETURN A QUERYSET SUBCLASS #
+    ##################################################
+
+    def raw(self, raw_query, params=(), translations=None, using=None):
+        if using is None:
+            using = self.db
+        qs = RawQuerySet(
+            raw_query,
+            model=self.model,
+            params=params,
+            translations=translations,
+            using=using,
+        )
+        qs._prefetch_related_lookups = self._prefetch_related_lookups[:]
+        return qs
+
+    def _values(self, *fields, **expressions):
+        clone = self._chain()
+        if expressions:
+            clone = clone.annotate(**expressions)
+        clone._fields = fields
+        clone.query.set_values(fields)
+        return clone
+
+    def values(self, *fields, **expressions):
+        fields += tuple(expressions)
+        clone = self._values(*fields, **expressions)
+        clone._iterable_class = ValuesIterable
+        return clone
+
+    def values_list(self, *fields, flat=False, named=False):
+        if flat and named:
+            raise TypeError("'flat' and 'named' can't be used together.")
+        if flat and len(fields) > 1:
+            raise TypeError(
+                "'flat' is not valid when values_list is called with more than one "
+                "field."
+            )
+
+        field_names = {f for f in fields if not hasattr(f, "resolve_expression")}
+        _fields = []
+        expressions = {}
+        counter = 1
+        for field in fields:
+            if hasattr(field, "resolve_expression"):
+                field_id_prefix = getattr(
+                    field, "default_alias", field.__class__.__name__.lower()
+                )
+                while True:
+                    field_id = field_id_prefix + str(counter)
+                    counter += 1
+                    if field_id not in field_names:
+                        break
+                expressions[field_id] = field
+                _fields.append(field_id)
+            else:
+                _fields.append(field)
+
+        clone = self._values(*_fields, **expressions)
+        clone._iterable_class = (
+            NamedValuesListIterable
+            if named
+            else FlatValuesListIterable if flat else ValuesListIterable
+        )
+        return clone
+
+    def dates(self, field_name, kind, order="ASC"):
+        """
+        Return a list of date objects representing all available dates for
+        the given field_name, scoped to 'kind'.
+        """
+        if kind not in ("year", "month", "week", "day"):
+            raise ValueError("'kind' must be one of 'year', 'month', 'week', or 'day'.")
+        if order not in ("ASC", "DESC"):
+            raise ValueError("'order' must be either 'ASC' or 'DESC'.")
+        return (
+            self.annotate(
+                datefield=Trunc(field_name, kind, output_field=DateField()),
+                plain_field=F(field_name),
+            )
+            .values_list("datefield", flat=True)
+            .distinct()
+            .filter(plain_field__isnull=False)
+            .order_by(("-" if order == "DESC" else "") + "datefield")
+        )
+
+    def datetimes(self, field_name, kind, order="ASC", tzinfo=None):
+        """
+        Return a list of datetime objects representing all available
+        datetimes for the given field_name, scoped to 'kind'.
+        """
+        if kind not in ("year", "month", "week", "day", "hour", "minute", "second"):
+            raise ValueError(
+                "'kind' must be one of 'year', 'month', 'week', 'day', "
+                "'hour', 'minute', or 'second'."
+            )
+        if order not in ("ASC", "DESC"):
+            raise ValueError("'order' must be either 'ASC' or 'DESC'.")
+        if settings.USE_TZ:
+            if tzinfo is None:
+                tzinfo = timezone.get_current_timezone()
+        else:
+            tzinfo = None
+        return (
+            self.annotate(
+                datetimefield=Trunc(
+                    field_name,
+                    kind,
+                    output_field=DateTimeField(),
+                    tzinfo=tzinfo,
+                ),
+                plain_field=F(field_name),
+            )
+            .values_list("datetimefield", flat=True)
+            .distinct()
+            .filter(plain_field__isnull=False)
+            .order_by(("-" if order == "DESC" else "") + "datetimefield")
+        )
+
+    def none(self):
+        """Return an empty QuerySet."""
+        clone = self._chain()
+        clone.query.set_empty()
+        return clone
+
+    ##################################################################
+    # PUBLIC METHODS THAT ALTER ATTRIBUTES AND RETURN A NEW QUERYSET #
+    ##################################################################
+
+    def all(self):
+        """
+        Return a new QuerySet that is a copy of the current one. This allows a
+        QuerySet to proxy for a model manager in some cases.
+        """
+        return self._chain()
+
+    def filter(self, *args, **kwargs):
+        """
+        Return a new QuerySet instance with the args ANDed to the existing
+        set.
+        """
+        self._not_support_combined_queries("filter")
+        return self._filter_or_exclude(False, args, kwargs)
+
+    def exclude(self, *args, **kwargs):
+        """
+        Return a new QuerySet instance with NOT (args) ANDed to the existing
+        set.
+        """
+        self._not_support_combined_queries("exclude")
+        return self._filter_or_exclude(True, args, kwargs)
+
+    def _filter_or_exclude(self, negate, args, kwargs):
+        if (args or kwargs) and self.query.is_sliced:
+            raise TypeError("Cannot filter a query once a slice has been taken.")
+        clone = self._chain()
+        if self._defer_next_filter:
+            self._defer_next_filter = False
+            clone._deferred_filter = negate, args, kwargs
+        else:
+            clone._filter_or_exclude_inplace(negate, args, kwargs)
+        return clone
+
+    def _filter_or_exclude_inplace(self, negate, args, kwargs):
+        if negate:
+            self._query.add_q(~Q(*args, **kwargs))
+        else:
+            self._query.add_q(Q(*args, **kwargs))
+
+    def complex_filter(self, filter_obj):
+        """
+        Return a new QuerySet instance with filter_obj added to the filters.
+
+        filter_obj can be a Q object or a dictionary of keyword lookup
+        arguments.
+
+        This exists to support framework features such as 'limit_choices_to',
+        and usually it will be more natural to use other methods.
+        """
+        if isinstance(filter_obj, Q):
+            clone = self._chain()
+            clone.query.add_q(filter_obj)
+            return clone
+        else:
+            return self._filter_or_exclude(False, args=(), kwargs=filter_obj)
+
+    def _combinator_query(self, combinator, *other_qs, all=False):
+        # Clone the query to inherit the select list and everything
+        clone = self._chain()
+        # Clear limits and ordering so they can be reapplied
+        clone.query.clear_ordering(force=True)
+        clone.query.clear_limits()
+        clone.query.combined_queries = (self.query,) + tuple(
+            qs.query for qs in other_qs
+        )
+        clone.query.combinator = combinator
+        clone.query.combinator_all = all
+        return clone
+
+    def union(self, *other_qs, all=False):
+        # If the query is an EmptyQuerySet, combine all nonempty querysets.
+        if isinstance(self, EmptyQuerySet):
+            qs = [q for q in other_qs if not isinstance(q, EmptyQuerySet)]
+            if not qs:
+                return self
+            if len(qs) == 1:
+                return qs[0]
+            return qs[0]._combinator_query("union", *qs[1:], all=all)
+        return self._combinator_query("union", *other_qs, all=all)
+
+    def intersection(self, *other_qs):
+        # If any query is an EmptyQuerySet, return it.
+        if isinstance(self, EmptyQuerySet):
+            return self
+        for other in other_qs:
+            if isinstance(other, EmptyQuerySet):
+                return other
+        return self._combinator_query("intersection", *other_qs)
+
+    def difference(self, *other_qs):
+        # If the query is an EmptyQuerySet, return it.
+        if isinstance(self, EmptyQuerySet):
+            return self
+        return self._combinator_query("difference", *other_qs)
+
+    def select_for_update(self, nowait=False, skip_locked=False, of=(), no_key=False):
+        """
+        Return a new QuerySet instance that will select objects with a
+        FOR UPDATE lock.
+        """
+        if nowait and skip_locked:
+            raise ValueError("The nowait option cannot be used with skip_locked.")
+        obj = self._chain()
+        obj._for_write = True
+        obj.query.select_for_update = True
+        obj.query.select_for_update_nowait = nowait
+        obj.query.select_for_update_skip_locked = skip_locked
+        obj.query.select_for_update_of = of
+        obj.query.select_for_no_key_update = no_key
+        return obj
+
+    def select_related(self, *fields):
+        """
+        Return a new QuerySet instance that will select related objects.
+
+        If fields are specified, they must be ForeignKey fields and only those
+        related objects are included in the selection.
+
+        If select_related(None) is called, clear the list.
+        """
+        self._not_support_combined_queries("select_related")
+        if self._fields is not None:
+            raise TypeError(
+                "Cannot call select_related() after .values() or .values_list()"
+            )
+
+        obj = self._chain()
+        if fields == (None,):
+            obj.query.select_related = False
+        elif fields:
+            obj.query.add_select_related(fields)
+        else:
+            obj.query.select_related = True
+        return obj
+
+    def prefetch_related(self, *lookups):
+        """
+        Return a new QuerySet instance that will prefetch the specified
+        Many-To-One and Many-To-Many related objects when the QuerySet is
+        evaluated.
+
+        When prefetch_related() is called more than once, append to the list of
+        prefetch lookups. If prefetch_related(None) is called, clear the list.
+        """
+        self._not_support_combined_queries("prefetch_related")
+        clone = self._chain()
+        if lookups == (None,):
+            clone._prefetch_related_lookups = ()
+        else:
+            for lookup in lookups:
+                if isinstance(lookup, Prefetch):
+                    lookup = lookup.prefetch_to
+                lookup = lookup.split(LOOKUP_SEP, 1)[0]
+                if lookup in self.query._filtered_relations:
+                    raise ValueError(
+                        "prefetch_related() is not supported with FilteredRelation."
+                    )
+            clone._prefetch_related_lookups = clone._prefetch_related_lookups + lookups
+        return clone
+
+    def annotate(self, *args, **kwargs):
+        """
+        Return a query set in which the returned objects have been annotated
+        with extra data or aggregations.
+        """
+        self._not_support_combined_queries("annotate")
+        return self._annotate(args, kwargs, select=True)
+
+    def alias(self, *args, **kwargs):
+        """
+        Return a query set with added aliases for extra data or aggregations.
+        """
+        self._not_support_combined_queries("alias")
+        return self._annotate(args, kwargs, select=False)
+
+    def _annotate(self, args, kwargs, select=True):
+        self._validate_values_are_expressions(
+            args + tuple(kwargs.values()), method_name="annotate"
+        )
+        annotations = {}
+        for arg in args:
+            # The default_alias property may raise a TypeError.
+            try:
+                if arg.default_alias in kwargs:
+                    raise ValueError(
+                        "The named annotation '%s' conflicts with the "
+                        "default name for another annotation." % arg.default_alias
+                    )
+            except TypeError:
+                raise TypeError("Complex annotations require an alias")
+            annotations[arg.default_alias] = arg
+        annotations.update(kwargs)
+
+        clone = self._chain()
+        names = self._fields
+        if names is None:
+            names = set(
+                chain.from_iterable(
+                    (
+                        (field.name, field.attname)
+                        if hasattr(field, "attname")
+                        else (field.name,)
+                    )
+                    for field in self.model._meta.get_fields()
+                )
+            )
+
+        for alias, annotation in annotations.items():
+            if alias in names:
+                raise ValueError(
+                    "The annotation '%s' conflicts with a field on "
+                    "the model." % alias
+                )
+            if isinstance(annotation, FilteredRelation):
+                clone.query.add_filtered_relation(annotation, alias)
+            else:
+                clone.query.add_annotation(
+                    annotation,
+                    alias,
+                    select=select,
+                )
+        for alias, annotation in clone.query.annotations.items():
+            if alias in annotations and annotation.contains_aggregate:
+                if clone._fields is None:
+                    clone.query.group_by = True
+                else:
+                    clone.query.set_group_by()
+                break
+
+        return clone
+
+    def order_by(self, *field_names):
+        """Return a new QuerySet instance with the ordering changed."""
+        if self.query.is_sliced:
+            raise TypeError("Cannot reorder a query once a slice has been taken.")
+        obj = self._chain()
+        obj.query.clear_ordering(force=True, clear_default=False)
+        obj.query.add_ordering(*field_names)
+        return obj
+
+    def distinct(self, *field_names):
+        """
+        Return a new QuerySet instance that will select only distinct results.
+        """
+        self._not_support_combined_queries("distinct")
+        if self.query.is_sliced:
+            raise TypeError(
+                "Cannot create distinct fields once a slice has been taken."
+            )
+        obj = self._chain()
+        obj.query.add_distinct_fields(*field_names)
+        return obj
+
+    def extra(
+        self,
+        select=None,
+        where=None,
+        params=None,
+        tables=None,
+        order_by=None,
+        select_params=None,
+    ):
+        """Add extra SQL fragments to the query."""
+        self._not_support_combined_queries("extra")
+        if self.query.is_sliced:
+            raise TypeError("Cannot change a query once a slice has been taken.")
+        clone = self._chain()
+        clone.query.add_extra(select, select_params, where, params, tables, order_by)
+        return clone
+
+    def reverse(self):
+        """Reverse the ordering of the QuerySet."""
+        if self.query.is_sliced:
+            raise TypeError("Cannot reverse a query once a slice has been taken.")
+        clone = self._chain()
+        clone.query.standard_ordering = not clone.query.standard_ordering
+        return clone
+
+    def defer(self, *fields):
+        """
+        Defer the loading of data for certain fields until they are accessed.
+        Add the set of deferred fields to any existing set of deferred fields.
+        The only exception to this is if None is passed in as the only
+        parameter, in which case removal all deferrals.
+        """
+        self._not_support_combined_queries("defer")
+        if self._fields is not None:
+            raise TypeError("Cannot call defer() after .values() or .values_list()")
+        clone = self._chain()
+        if fields == (None,):
+            clone.query.clear_deferred_loading()
+        else:
+            clone.query.add_deferred_loading(fields)
+        return clone
+
+    def only(self, *fields):
+        """
+        Essentially, the opposite of defer(). Only the fields passed into this
+        method and that are not already specified as deferred are loaded
+        immediately when the queryset is evaluated.
+        """
+        self._not_support_combined_queries("only")
+        if self._fields is not None:
+            raise TypeError("Cannot call only() after .values() or .values_list()")
+        if fields == (None,):
+            # Can only pass None to defer(), not only(), as the rest option.
+            # That won't stop people trying to do this, so let's be explicit.
+            raise TypeError("Cannot pass None as an argument to only().")
+        for field in fields:
+            field = field.split(LOOKUP_SEP, 1)[0]
+            if field in self.query._filtered_relations:
+                raise ValueError("only() is not supported with FilteredRelation.")
+        clone = self._chain()
+        clone.query.add_immediate_loading(fields)
+        return clone
+
+    def using(self, alias):
+        """Select which database this QuerySet should execute against."""
+        clone = self._chain()
+        clone._db = alias
+        return clone
+
+    ###################################
+    # PUBLIC INTROSPECTION ATTRIBUTES #
+    ###################################
+
+    @property
+    def ordered(self):
+        """
+        Return True if the QuerySet is ordered -- i.e. has an order_by()
+        clause or a default ordering on the model (or is empty).
+        """
+        if isinstance(self, EmptyQuerySet):
+            return True
+        if self.query.extra_order_by or self.query.order_by:
+            return True
+        elif (
+            self.query.default_ordering
+            and self.query.get_meta().ordering
+            and
+            # A default ordering doesn't affect GROUP BY queries.
+            not self.query.group_by
+        ):
+            return True
+        else:
+            return False
+
+    @property
+    def db(self):
+        """Return the database used if this query is executed now."""
+        if self._for_write:
+            return self._db or router.db_for_write(self.model, **self._hints)
+        return self._db or router.db_for_read(self.model, **self._hints)
+
+    ###################
+    # PRIVATE METHODS #
+    ###################
+
+    def _insert(
+        self,
+        objs,
+        fields,
+        returning_fields=None,
+        raw=False,
+        using=None,
+        on_conflict=None,
+        update_fields=None,
+        unique_fields=None,
+    ):
+        """
+        Insert a new record for the given model. This provides an interface to
+        the InsertQuery class and is how Model.save() is implemented.
+        """
+        self._for_write = True
+        if using is None:
+            using = self.db
+        query = sql.InsertQuery(
+            self.model,
+            on_conflict=on_conflict,
+            update_fields=update_fields,
+            unique_fields=unique_fields,
+        )
+        query.insert_values(fields, objs, raw=raw)
+        return query.get_compiler(using=using).execute_sql(returning_fields)
+
+    _insert.alters_data = True
+    _insert.queryset_only = False
+
+    def _batched_insert(
+        self,
+        objs,
+        fields,
+        batch_size,
+        on_conflict=None,
+        update_fields=None,
+        unique_fields=None,
+    ):
+        """
+        Helper method for bulk_create() to insert objs one batch at a time.
+        """
+        connection = connections[self.db]
+        ops = connection.ops
+        max_batch_size = max(ops.bulk_batch_size(fields, objs), 1)
+        batch_size = min(batch_size, max_batch_size) if batch_size else max_batch_size
+        inserted_rows = []
+        bulk_return = connection.features.can_return_rows_from_bulk_insert
+        for item in [objs[i : i + batch_size] for i in range(0, len(objs), batch_size)]:
+            if bulk_return and (
+                on_conflict is None or on_conflict == OnConflict.UPDATE
+            ):
+                inserted_rows.extend(
+                    self._insert(
+                        item,
+                        fields=fields,
+                        using=self.db,
+                        on_conflict=on_conflict,
+                        update_fields=update_fields,
+                        unique_fields=unique_fields,
+                        returning_fields=self.model._meta.db_returning_fields,
+                    )
+                )
+            else:
+                self._insert(
+                    item,
+                    fields=fields,
+                    using=self.db,
+                    on_conflict=on_conflict,
+                    update_fields=update_fields,
+                    unique_fields=unique_fields,
+                )
+        return inserted_rows
+
+    def _chain(self):
+        """
+        Return a copy of the current QuerySet that's ready for another
+        operation.
+        """
+        obj = self._clone()
+        if obj._sticky_filter:
+            obj.query.filter_is_sticky = True
+            obj._sticky_filter = False
+        return obj
+
+    def _clone(self):
+        """
+        Return a copy of the current QuerySet. A lightweight alternative
+        to deepcopy().
+        """
+        c = self.__class__(
+            model=self.model,
+            query=self.query.chain(),
+            using=self._db,
+            hints=self._hints,
+        )
+        c._sticky_filter = self._sticky_filter
+        c._for_write = self._for_write
+        c._prefetch_related_lookups = self._prefetch_related_lookups[:]
+        c._known_related_objects = self._known_related_objects
+        c._iterable_class = self._iterable_class
+        c._fields = self._fields
+        return c
+
+    def _fetch_all(self):
+        if self._result_cache is None:
+            self._result_cache = list(self._iterable_class(self))
+        if self._prefetch_related_lookups and not self._prefetch_done:
+            self._prefetch_related_objects()
+
+    def _next_is_sticky(self):
+        """
+        Indicate that the next filter call and the one following that should
+        be treated as a single filter. This is only important when it comes to
+        determining when to reuse tables for many-to-many filters. Required so
+        that we can filter naturally on the results of related managers.
+
+        This doesn't return a clone of the current QuerySet (it returns
+        "self"). The method is only used internally and should be immediately
+        followed by a filter() that does create a clone.
+        """
+        self._sticky_filter = True
+        return self
+
+    def _merge_sanity_check(self, other):
+        """Check that two QuerySet classes may be merged."""
+        if self._fields is not None and (
+            set(self.query.values_select) != set(other.query.values_select)
+            or set(self.query.extra_select) != set(other.query.extra_select)
+            or set(self.query.annotation_select) != set(other.query.annotation_select)
+        ):
+            raise TypeError(
+                "Merging '%s' classes must involve the same values in each case."
+                % self.__class__.__name__
+            )
+
+    def _merge_known_related_objects(self, other):
+        """
+        Keep track of all known related objects from either QuerySet instance.
+        """
+        for field, objects in other._known_related_objects.items():
+            self._known_related_objects.setdefault(field, {}).update(objects)
+
+    def resolve_expression(self, *args, **kwargs):
+        if self._fields and len(self._fields) > 1:
+            # values() queryset can only be used as nested queries
+            # if they are set up to select only a single field.
+            raise TypeError("Cannot use multi-field values as a filter value.")
+        query = self.query.resolve_expression(*args, **kwargs)
+        query._db = self._db
+        return query
+
+    resolve_expression.queryset_only = True
+
+    def _add_hints(self, **hints):
+        """
+        Update hinting information for use by routers. Add new key/values or
+        overwrite existing key/values.
+        """
+        self._hints.update(hints)
+
+    def _has_filters(self):
+        """
+        Check if this QuerySet has any filtering going on. This isn't
+        equivalent with checking if all objects are present in results, for
+        example, qs[1:]._has_filters() -> False.
+        """
+        return self.query.has_filters()
+
+    @staticmethod
+    def _validate_values_are_expressions(values, method_name):
+        invalid_args = sorted(
+            str(arg) for arg in values if not hasattr(arg, "resolve_expression")
+        )
+        if invalid_args:
+            raise TypeError(
+                "QuerySet.%s() received non-expression(s): %s."
+                % (
+                    method_name,
+                    ", ".join(invalid_args),
+                )
+            )
+
+    def _not_support_combined_queries(self, operation_name):
+        if self.query.combinator:
+            raise NotSupportedError(
+                "Calling QuerySet.%s() after %s() is not supported."
+                % (operation_name, self.query.combinator)
+            )
+
+    def _check_operator_queryset(self, other, operator_):
+        if self.query.combinator or other.query.combinator:
+            raise TypeError(f"Cannot use {operator_} operator with combined queryset.")
+
+    def _check_ordering_first_last_queryset_aggregation(self, method):
+        if isinstance(self.query.group_by, tuple) and not any(
+            col.output_field is self.model._meta.pk for col in self.query.group_by
+        ):
+            raise TypeError(
+                f"Cannot use QuerySet.{method}() on an unordered queryset performing "
+                f"aggregation. Add an ordering with order_by()."
+            )
+
+
+class InstanceCheckMeta(type):
+    def __instancecheck__(self, instance):
+        return isinstance(instance, QuerySet) and instance.query.is_empty()
+
+
+class EmptyQuerySet(metaclass=InstanceCheckMeta):
+    """
+    Marker class to checking if a queryset is empty by .none():
+        isinstance(qs.none(), EmptyQuerySet) -> True
+    """
+
+    def __init__(self, *args, **kwargs):
+        raise TypeError("EmptyQuerySet can't be instantiated")
+
+
+class RawQuerySet:
+    """
+    Provide an iterator which converts the results of raw SQL queries into
+    annotated model instances.
+    """
+
+    def __init__(
+        self,
+        raw_query,
+        model=None,
+        query=None,
+        params=(),
+        translations=None,
+        using=None,
+        hints=None,
+    ):
+        self.raw_query = raw_query
+        self.model = model
+        self._db = using
+        self._hints = hints or {}
+        self.query = query or sql.RawQuery(sql=raw_query, using=self.db, params=params)
+        self.params = params
+        self.translations = translations or {}
+        self._result_cache = None
+        self._prefetch_related_lookups = ()
+        self._prefetch_done = False
+
+    def resolve_model_init_order(self):
+        """Resolve the init field names and value positions."""
+        converter = connections[self.db].introspection.identifier_converter
+        model_init_fields = [
+            f for f in self.model._meta.fields if converter(f.column) in self.columns
+        ]
+        annotation_fields = [
+            (column, pos)
+            for pos, column in enumerate(self.columns)
+            if column not in self.model_fields
+        ]
+        model_init_order = [
+            self.columns.index(converter(f.column)) for f in model_init_fields
+        ]
+        model_init_names = [f.attname for f in model_init_fields]
+        return model_init_names, model_init_order, annotation_fields
+
+    def prefetch_related(self, *lookups):
+        """Same as QuerySet.prefetch_related()"""
+        clone = self._clone()
+        if lookups == (None,):
+            clone._prefetch_related_lookups = ()
+        else:
+            clone._prefetch_related_lookups = clone._prefetch_related_lookups + lookups
+        return clone
+
+    def _prefetch_related_objects(self):
+        prefetch_related_objects(self._result_cache, *self._prefetch_related_lookups)
+        self._prefetch_done = True
+
+    def _clone(self):
+        """Same as QuerySet._clone()"""
+        c = self.__class__(
+            self.raw_query,
+            model=self.model,
+            query=self.query,
+            params=self.params,
+            translations=self.translations,
+            using=self._db,
+            hints=self._hints,
+        )
+        c._prefetch_related_lookups = self._prefetch_related_lookups[:]
+        return c
+
+    def _fetch_all(self):
+        if self._result_cache is None:
+            self._result_cache = list(self.iterator())
+        if self._prefetch_related_lookups and not self._prefetch_done:
+            self._prefetch_related_objects()
+
+    def __len__(self):
+        self._fetch_all()
+        return len(self._result_cache)
+
+    def __bool__(self):
+        self._fetch_all()
+        return bool(self._result_cache)
+
+    def __iter__(self):
+        self._fetch_all()
+        return iter(self._result_cache)
+
+    def __aiter__(self):
+        # Remember, __aiter__ itself is synchronous, it's the thing it returns
+        # that is async!
+        async def generator():
+            await sync_to_async(self._fetch_all)()
+            for item in self._result_cache:
+                yield item
+
+        return generator()
+
+    def iterator(self):
+        yield from RawModelIterable(self)
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self.query)
+
+    def __getitem__(self, k):
+        return list(self)[k]
+
+    @property
+    def db(self):
+        """Return the database used if this query is executed now."""
+        return self._db or router.db_for_read(self.model, **self._hints)
+
+    def using(self, alias):
+        """Select the database this RawQuerySet should execute against."""
+        return RawQuerySet(
+            self.raw_query,
+            model=self.model,
+            query=self.query.chain(using=alias),
+            params=self.params,
+            translations=self.translations,
+            using=alias,
+        )
+
+    @cached_property
+    def columns(self):
+        """
+        A list of model field names in the order they'll appear in the
+        query results.
+        """
+        columns = self.query.get_columns()
+        # Adjust any column names which don't match field names
+        for query_name, model_name in self.translations.items():
+            # Ignore translations for nonexistent column names
+            try:
+                index = columns.index(query_name)
+            except ValueError:
+                pass
+            else:
+                columns[index] = model_name
+        return columns
+
+    @cached_property
+    def model_fields(self):
+        """A dict mapping column names to model field names."""
+        converter = connections[self.db].introspection.identifier_converter
+        model_fields = {}
+        for field in self.model._meta.fields:
+            name, column = field.get_attname_column()
+            model_fields[converter(column)] = field
+        return model_fields
+
+
+class Prefetch:
+    def __init__(self, lookup, queryset=None, to_attr=None):
+        # `prefetch_through` is the path we traverse to perform the prefetch.
+        self.prefetch_through = lookup
+        # `prefetch_to` is the path to the attribute that stores the result.
+        self.prefetch_to = lookup
+        if queryset is not None and (
+            isinstance(queryset, RawQuerySet)
+            or (
+                hasattr(queryset, "_iterable_class")
+                and not issubclass(queryset._iterable_class, ModelIterable)
+            )
+        ):
+            raise ValueError(
+                "Prefetch querysets cannot use raw(), values(), and values_list()."
+            )
+        if to_attr:
+            self.prefetch_to = LOOKUP_SEP.join(
+                lookup.split(LOOKUP_SEP)[:-1] + [to_attr]
+            )
+
+        self.queryset = queryset
+        self.to_attr = to_attr
+
+    def __getstate__(self):
+        obj_dict = self.__dict__.copy()
+        if self.queryset is not None:
+            queryset = self.queryset._chain()
+            # Prevent the QuerySet from being evaluated
+            queryset._result_cache = []
+            queryset._prefetch_done = True
+            obj_dict["queryset"] = queryset
+        return obj_dict
+
+    def add_prefix(self, prefix):
+        self.prefetch_through = prefix + LOOKUP_SEP + self.prefetch_through
+        self.prefetch_to = prefix + LOOKUP_SEP + self.prefetch_to
+
+    def get_current_prefetch_to(self, level):
+        return LOOKUP_SEP.join(self.prefetch_to.split(LOOKUP_SEP)[: level + 1])
+
+    def get_current_to_attr(self, level):
+        parts = self.prefetch_to.split(LOOKUP_SEP)
+        to_attr = parts[level]
+        as_attr = self.to_attr and level == len(parts) - 1
+        return to_attr, as_attr
+
+    def get_current_queryset(self, level):
+        warnings.warn(
+            "Prefetch.get_current_queryset() is deprecated. Use "
+            "get_current_querysets() instead.",
+            RemovedInDjango60Warning,
+            stacklevel=2,
+        )
+        querysets = self.get_current_querysets(level)
+        return querysets[0] if querysets is not None else None
+
+    def get_current_querysets(self, level):
+        if (
+            self.get_current_prefetch_to(level) == self.prefetch_to
+            and self.queryset is not None
+        ):
+            return [self.queryset]
+        return None
+
+    def __eq__(self, other):
+        if not isinstance(other, Prefetch):
+            return NotImplemented
+        return self.prefetch_to == other.prefetch_to
+
+    def __hash__(self):
+        return hash((self.__class__, self.prefetch_to))
+
+
+def normalize_prefetch_lookups(lookups, prefix=None):
+    """Normalize lookups into Prefetch objects."""
+    ret = []
+    for lookup in lookups:
+        if not isinstance(lookup, Prefetch):
+            lookup = Prefetch(lookup)
+        if prefix:
+            lookup.add_prefix(prefix)
+        ret.append(lookup)
+    return ret
+
+
+def prefetch_related_objects(model_instances, *related_lookups):
+    """
+    Populate prefetched object caches for a list of model instances based on
+    the lookups/Prefetch instances given.
+    """
+    if not model_instances:
+        return  # nothing to do
+
+    # We need to be able to dynamically add to the list of prefetch_related
+    # lookups that we look up (see below).  So we need some book keeping to
+    # ensure we don't do duplicate work.
+    done_queries = {}  # dictionary of things like 'foo__bar': [results]
+
+    auto_lookups = set()  # we add to this as we go through.
+    followed_descriptors = set()  # recursion protection
+
+    all_lookups = normalize_prefetch_lookups(reversed(related_lookups))
+    while all_lookups:
+        lookup = all_lookups.pop()
+        if lookup.prefetch_to in done_queries:
+            if lookup.queryset is not None:
+                raise ValueError(
+                    "'%s' lookup was already seen with a different queryset. "
+                    "You may need to adjust the ordering of your lookups."
+                    % lookup.prefetch_to
+                )
+
+            continue
+
+        # Top level, the list of objects to decorate is the result cache
+        # from the primary QuerySet. It won't be for deeper levels.
+        obj_list = model_instances
+
+        through_attrs = lookup.prefetch_through.split(LOOKUP_SEP)
+        for level, through_attr in enumerate(through_attrs):
+            # Prepare main instances
+            if not obj_list:
+                break
+
+            prefetch_to = lookup.get_current_prefetch_to(level)
+            if prefetch_to in done_queries:
+                # Skip any prefetching, and any object preparation
+                obj_list = done_queries[prefetch_to]
+                continue
+
+            # Prepare objects:
+            good_objects = True
+            for obj in obj_list:
+                # Since prefetching can re-use instances, it is possible to have
+                # the same instance multiple times in obj_list, so obj might
+                # already be prepared.
+                if not hasattr(obj, "_prefetched_objects_cache"):
+                    try:
+                        obj._prefetched_objects_cache = {}
+                    except (AttributeError, TypeError):
+                        # Must be an immutable object from
+                        # values_list(flat=True), for example (TypeError) or
+                        # a QuerySet subclass that isn't returning Model
+                        # instances (AttributeError), either in Django or a 3rd
+                        # party. prefetch_related() doesn't make sense, so quit.
+                        good_objects = False
+                        break
+            if not good_objects:
+                break
+
+            # Descend down tree
+
+            # We assume that objects retrieved are homogeneous (which is the premise
+            # of prefetch_related), so what applies to first object applies to all.
+            first_obj = obj_list[0]
+            to_attr = lookup.get_current_to_attr(level)[0]
+            prefetcher, descriptor, attr_found, is_fetched = get_prefetcher(
+                first_obj, through_attr, to_attr
+            )
+
+            if not attr_found:
+                raise AttributeError(
+                    "Cannot find '%s' on %s object, '%s' is an invalid "
+                    "parameter to prefetch_related()"
+                    % (
+                        through_attr,
+                        first_obj.__class__.__name__,
+                        lookup.prefetch_through,
+                    )
+                )
+
+            if level == len(through_attrs) - 1 and prefetcher is None:
+                # Last one, this *must* resolve to something that supports
+                # prefetching, otherwise there is no point adding it and the
+                # developer asking for it has made a mistake.
+                raise ValueError(
+                    "'%s' does not resolve to an item that supports "
+                    "prefetching - this is an invalid parameter to "
+                    "prefetch_related()." % lookup.prefetch_through
+                )
+
+            obj_to_fetch = None
+            if prefetcher is not None:
+                obj_to_fetch = [obj for obj in obj_list if not is_fetched(obj)]
+
+            if obj_to_fetch:
+                obj_list, additional_lookups = prefetch_one_level(
+                    obj_to_fetch,
+                    prefetcher,
+                    lookup,
+                    level,
+                )
+                # We need to ensure we don't keep adding lookups from the
+                # same relationships to stop infinite recursion. So, if we
+                # are already on an automatically added lookup, don't add
+                # the new lookups from relationships we've seen already.
+                if not (
+                    prefetch_to in done_queries
+                    and lookup in auto_lookups
+                    and descriptor in followed_descriptors
+                ):
+                    done_queries[prefetch_to] = obj_list
+                    new_lookups = normalize_prefetch_lookups(
+                        reversed(additional_lookups), prefetch_to
+                    )
+                    auto_lookups.update(new_lookups)
+                    all_lookups.extend(new_lookups)
+                followed_descriptors.add(descriptor)
+            else:
+                # Either a singly related object that has already been fetched
+                # (e.g. via select_related), or hopefully some other property
+                # that doesn't support prefetching but needs to be traversed.
+
+                # We replace the current list of parent objects with the list
+                # of related objects, filtering out empty or missing values so
+                # that we can continue with nullable or reverse relations.
+                new_obj_list = []
+                for obj in obj_list:
+                    if through_attr in getattr(obj, "_prefetched_objects_cache", ()):
+                        # If related objects have been prefetched, use the
+                        # cache rather than the object's through_attr.
+                        new_obj = list(obj._prefetched_objects_cache.get(through_attr))
+                    else:
+                        try:
+                            new_obj = getattr(obj, through_attr)
+                        except exceptions.ObjectDoesNotExist:
+                            continue
+                    if new_obj is None:
+                        continue
+                    # We special-case `list` rather than something more generic
+                    # like `Iterable` because we don't want to accidentally match
+                    # user models that define __iter__.
+                    if isinstance(new_obj, list):
+                        new_obj_list.extend(new_obj)
+                    else:
+                        new_obj_list.append(new_obj)
+                obj_list = new_obj_list
+
+
+async def aprefetch_related_objects(model_instances, *related_lookups):
+    """See prefetch_related_objects()."""
+    return await sync_to_async(prefetch_related_objects)(
+        model_instances, *related_lookups
+    )
+
+
+def get_prefetcher(instance, through_attr, to_attr):
+    """
+    For the attribute 'through_attr' on the given instance, find
+    an object that has a get_prefetch_querysets().
+    Return a 4 tuple containing:
+    (the object with get_prefetch_querysets (or None),
+     the descriptor object representing this relationship (or None),
+     a boolean that is False if the attribute was not found at all,
+     a function that takes an instance and returns a boolean that is True if
+     the attribute has already been fetched for that instance)
+    """
+
+    def is_to_attr_fetched(model, to_attr):
+        # Special case cached_property instances because hasattr() triggers
+        # attribute computation and assignment.
+        if isinstance(getattr(model, to_attr, None), cached_property):
+
+            def has_cached_property(instance):
+                return to_attr in instance.__dict__
+
+            return has_cached_property
+
+        def has_to_attr_attribute(instance):
+            return hasattr(instance, to_attr)
+
+        return has_to_attr_attribute
+
+    prefetcher = None
+    is_fetched = is_to_attr_fetched(instance.__class__, to_attr)
+
+    # For singly related objects, we have to avoid getting the attribute
+    # from the object, as this will trigger the query. So we first try
+    # on the class, in order to get the descriptor object.
+    rel_obj_descriptor = getattr(instance.__class__, through_attr, None)
+    if rel_obj_descriptor is None:
+        attr_found = hasattr(instance, through_attr)
+    else:
+        attr_found = True
+        if rel_obj_descriptor:
+            # singly related object, descriptor object has the
+            # get_prefetch_querysets() method.
+            if (
+                hasattr(rel_obj_descriptor, "get_prefetch_querysets")
+                # RemovedInDjango60Warning.
+                or hasattr(rel_obj_descriptor, "get_prefetch_queryset")
+            ):
+                prefetcher = rel_obj_descriptor
+                # If to_attr is set, check if the value has already been set,
+                # which is done with has_to_attr_attribute(). Do not use the
+                # method from the descriptor, as the cache_name it defines
+                # checks the field name, not the to_attr value.
+                if through_attr == to_attr:
+                    is_fetched = rel_obj_descriptor.is_cached
+            else:
+                # descriptor doesn't support prefetching, so we go ahead and get
+                # the attribute on the instance rather than the class to
+                # support many related managers
+                rel_obj = getattr(instance, through_attr)
+                if (
+                    hasattr(rel_obj, "get_prefetch_querysets")
+                    # RemovedInDjango60Warning.
+                    or hasattr(rel_obj, "get_prefetch_queryset")
+                ):
+                    prefetcher = rel_obj
+                if through_attr == to_attr:
+
+                    def in_prefetched_cache(instance):
+                        return through_attr in instance._prefetched_objects_cache
+
+                    is_fetched = in_prefetched_cache
+    return prefetcher, rel_obj_descriptor, attr_found, is_fetched
+
+
+def prefetch_one_level(instances, prefetcher, lookup, level):
+    """
+    Helper function for prefetch_related_objects().
+
+    Run prefetches on all instances using the prefetcher object,
+    assigning results to relevant caches in instance.
+
+    Return the prefetched objects along with any additional prefetches that
+    must be done due to prefetch_related lookups found from default managers.
+    """
+    # prefetcher must have a method get_prefetch_querysets() which takes a list
+    # of instances, and returns a tuple:
+
+    # (queryset of instances of self.model that are related to passed in instances,
+    #  callable that gets value to be matched for returned instances,
+    #  callable that gets value to be matched for passed in instances,
+    #  boolean that is True for singly related objects,
+    #  cache or field name to assign to,
+    #  boolean that is True when the previous argument is a cache name vs a field name).
+
+    # The 'values to be matched' must be hashable as they will be used
+    # in a dictionary.
+
+    if hasattr(prefetcher, "get_prefetch_querysets"):
+        (
+            rel_qs,
+            rel_obj_attr,
+            instance_attr,
+            single,
+            cache_name,
+            is_descriptor,
+        ) = prefetcher.get_prefetch_querysets(
+            instances, lookup.get_current_querysets(level)
+        )
+    else:
+        warnings.warn(
+            "The usage of get_prefetch_queryset() in prefetch_related_objects() is "
+            "deprecated. Implement get_prefetch_querysets() instead.",
+            RemovedInDjango60Warning,
+            stacklevel=2,
+        )
+        queryset = None
+        if querysets := lookup.get_current_querysets(level):
+            queryset = querysets[0]
+        (
+            rel_qs,
+            rel_obj_attr,
+            instance_attr,
+            single,
+            cache_name,
+            is_descriptor,
+        ) = prefetcher.get_prefetch_queryset(instances, queryset)
+    # We have to handle the possibility that the QuerySet we just got back
+    # contains some prefetch_related lookups. We don't want to trigger the
+    # prefetch_related functionality by evaluating the query. Rather, we need
+    # to merge in the prefetch_related lookups.
+    # Copy the lookups in case it is a Prefetch object which could be reused
+    # later (happens in nested prefetch_related).
+    additional_lookups = [
+        copy.copy(additional_lookup)
+        for additional_lookup in getattr(rel_qs, "_prefetch_related_lookups", ())
+    ]
+    if additional_lookups:
+        # Don't need to clone because the manager should have given us a fresh
+        # instance, so we access an internal instead of using public interface
+        # for performance reasons.
+        rel_qs._prefetch_related_lookups = ()
+
+    all_related_objects = list(rel_qs)
+
+    rel_obj_cache = {}
+    for rel_obj in all_related_objects:
+        rel_attr_val = rel_obj_attr(rel_obj)
+        rel_obj_cache.setdefault(rel_attr_val, []).append(rel_obj)
+
+    to_attr, as_attr = lookup.get_current_to_attr(level)
+    # Make sure `to_attr` does not conflict with a field.
+    if as_attr and instances:
+        # We assume that objects retrieved are homogeneous (which is the premise
+        # of prefetch_related), so what applies to first object applies to all.
+        model = instances[0].__class__
+        try:
+            model._meta.get_field(to_attr)
+        except exceptions.FieldDoesNotExist:
+            pass
+        else:
+            msg = "to_attr={} conflicts with a field on the {} model."
+            raise ValueError(msg.format(to_attr, model.__name__))
+
+    # Whether or not we're prefetching the last part of the lookup.
+    leaf = len(lookup.prefetch_through.split(LOOKUP_SEP)) - 1 == level
+
+    for obj in instances:
+        instance_attr_val = instance_attr(obj)
+        vals = rel_obj_cache.get(instance_attr_val, [])
+
+        if single:
+            val = vals[0] if vals else None
+            if as_attr:
+                # A to_attr has been given for the prefetch.
+                setattr(obj, to_attr, val)
+            elif is_descriptor:
+                # cache_name points to a field name in obj.
+                # This field is a descriptor for a related object.
+                setattr(obj, cache_name, val)
+            else:
+                # No to_attr has been given for this prefetch operation and the
+                # cache_name does not point to a descriptor. Store the value of
+                # the field in the object's field cache.
+                obj._state.fields_cache[cache_name] = val
+        else:
+            if as_attr:
+                setattr(obj, to_attr, vals)
+            else:
+                manager = getattr(obj, to_attr)
+                if leaf and lookup.queryset is not None:
+                    qs = manager._apply_rel_filters(lookup.queryset)
+                else:
+                    qs = manager.get_queryset()
+                qs._result_cache = vals
+                # We don't want the individual qs doing prefetch_related now,
+                # since we have merged this into the current work.
+                qs._prefetch_done = True
+                obj._prefetched_objects_cache[cache_name] = qs
+    return all_related_objects, additional_lookups
+
+
+class RelatedPopulator:
+    """
+    RelatedPopulator is used for select_related() object instantiation.
+
+    The idea is that each select_related() model will be populated by a
+    different RelatedPopulator instance. The RelatedPopulator instances get
+    klass_info and select (computed in SQLCompiler) plus the used db as
+    input for initialization. That data is used to compute which columns
+    to use, how to instantiate the model, and how to populate the links
+    between the objects.
+
+    The actual creation of the objects is done in populate() method. This
+    method gets row and from_obj as input and populates the select_related()
+    model instance.
+    """
+
+    def __init__(self, klass_info, select, db):
+        self.db = db
+        # Pre-compute needed attributes. The attributes are:
+        #  - model_cls: the possibly deferred model class to instantiate
+        #  - either:
+        #    - cols_start, cols_end: usually the columns in the row are
+        #      in the same order model_cls.__init__ expects them, so we
+        #      can instantiate by model_cls(*row[cols_start:cols_end])
+        #    - reorder_for_init: When select_related descends to a child
+        #      class, then we want to reuse the already selected parent
+        #      data. However, in this case the parent data isn't necessarily
+        #      in the same order that Model.__init__ expects it to be, so
+        #      we have to reorder the parent data. The reorder_for_init
+        #      attribute contains a function used to reorder the field data
+        #      in the order __init__ expects it.
+        #  - pk_idx: the index of the primary key field in the reordered
+        #    model data. Used to check if a related object exists at all.
+        #  - init_list: the field attnames fetched from the database. For
+        #    deferred models this isn't the same as all attnames of the
+        #    model's fields.
+        #  - related_populators: a list of RelatedPopulator instances if
+        #    select_related() descends to related models from this model.
+        #  - local_setter, remote_setter: Methods to set cached values on
+        #    the object being populated and on the remote object. Usually
+        #    these are Field.set_cached_value() methods.
+        select_fields = klass_info["select_fields"]
+        from_parent = klass_info["from_parent"]
+        if not from_parent:
+            self.cols_start = select_fields[0]
+            self.cols_end = select_fields[-1] + 1
+            self.init_list = [
+                f[0].target.attname for f in select[self.cols_start : self.cols_end]
+            ]
+            self.reorder_for_init = None
+        else:
+            attname_indexes = {
+                select[idx][0].target.attname: idx for idx in select_fields
+            }
+            model_init_attnames = (
+                f.attname for f in klass_info["model"]._meta.concrete_fields
+            )
+            self.init_list = [
+                attname for attname in model_init_attnames if attname in attname_indexes
+            ]
+            self.reorder_for_init = operator.itemgetter(
+                *[attname_indexes[attname] for attname in self.init_list]
+            )
+
+        self.model_cls = klass_info["model"]
+        self.pk_idx = self.init_list.index(self.model_cls._meta.pk.attname)
+        self.related_populators = get_related_populators(klass_info, select, self.db)
+        self.local_setter = klass_info["local_setter"]
+        self.remote_setter = klass_info["remote_setter"]
+
+    def populate(self, row, from_obj):
+        if self.reorder_for_init:
+            obj_data = self.reorder_for_init(row)
+        else:
+            obj_data = row[self.cols_start : self.cols_end]
+        if obj_data[self.pk_idx] is None:
+            obj = None
+        else:
+            obj = self.model_cls.from_db(self.db, self.init_list, obj_data)
+            for rel_iter in self.related_populators:
+                rel_iter.populate(row, obj)
+        self.local_setter(from_obj, obj)
+        if obj is not None:
+            self.remote_setter(obj, from_obj)
+
+
+def get_related_populators(klass_info, select, db):
+    iterators = []
+    related_klass_infos = klass_info.get("related_klass_infos", [])
+    for rel_klass_info in related_klass_infos:
+        rel_cls = RelatedPopulator(rel_klass_info, select, db)
+        iterators.append(rel_cls)
+    return iterators
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/query_utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/query_utils.py
new file mode 100644
index 00000000..a04bbad5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/query_utils.py
@@ -0,0 +1,487 @@
+"""
+Various data structures used in query construction.
+
+Factored out from django.db.models.query to avoid making the main module very
+large and/or so that they can be used by other modules without getting into
+circular import difficulties.
+"""
+
+import functools
+import inspect
+import logging
+from collections import namedtuple
+
+from django.core.exceptions import FieldError
+from django.db import DEFAULT_DB_ALIAS, DatabaseError, connections
+from django.db.models.constants import LOOKUP_SEP
+from django.utils import tree
+from django.utils.functional import cached_property
+from django.utils.hashable import make_hashable
+
+logger = logging.getLogger("django.db.models")
+
+# PathInfo is used when converting lookups (fk__somecol). The contents
+# describe the relation in Model terms (model Options and Fields for both
+# sides of the relation. The join_field is the field backing the relation.
+PathInfo = namedtuple(
+    "PathInfo",
+    "from_opts to_opts target_fields join_field m2m direct filtered_relation",
+)
+
+
+def subclasses(cls):
+    yield cls
+    for subclass in cls.__subclasses__():
+        yield from subclasses(subclass)
+
+
+class Q(tree.Node):
+    """
+    Encapsulate filters as objects that can then be combined logically (using
+    `&` and `|`).
+    """
+
+    # Connection types
+    AND = "AND"
+    OR = "OR"
+    XOR = "XOR"
+    default = AND
+    conditional = True
+
+    def __init__(self, *args, _connector=None, _negated=False, **kwargs):
+        super().__init__(
+            children=[*args, *sorted(kwargs.items())],
+            connector=_connector,
+            negated=_negated,
+        )
+
+    def _combine(self, other, conn):
+        if getattr(other, "conditional", False) is False:
+            raise TypeError(other)
+        if not self:
+            return other.copy()
+        if not other and isinstance(other, Q):
+            return self.copy()
+
+        obj = self.create(connector=conn)
+        obj.add(self, conn)
+        obj.add(other, conn)
+        return obj
+
+    def __or__(self, other):
+        return self._combine(other, self.OR)
+
+    def __and__(self, other):
+        return self._combine(other, self.AND)
+
+    def __xor__(self, other):
+        return self._combine(other, self.XOR)
+
+    def __invert__(self):
+        obj = self.copy()
+        obj.negate()
+        return obj
+
+    def resolve_expression(
+        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
+    ):
+        # We must promote any new joins to left outer joins so that when Q is
+        # used as an expression, rows aren't filtered due to joins.
+        clause, joins = query._add_q(
+            self,
+            reuse,
+            allow_joins=allow_joins,
+            split_subq=False,
+            check_filterable=False,
+            summarize=summarize,
+        )
+        query.promote_joins(joins)
+        return clause
+
+    def flatten(self):
+        """
+        Recursively yield this Q object and all subexpressions, in depth-first
+        order.
+        """
+        yield self
+        for child in self.children:
+            if isinstance(child, tuple):
+                # Use the lookup.
+                child = child[1]
+            if hasattr(child, "flatten"):
+                yield from child.flatten()
+            else:
+                yield child
+
+    def check(self, against, using=DEFAULT_DB_ALIAS):
+        """
+        Do a database query to check if the expressions of the Q instance
+        matches against the expressions.
+        """
+        # Avoid circular imports.
+        from django.db.models import BooleanField, Value
+        from django.db.models.functions import Coalesce
+        from django.db.models.sql import Query
+        from django.db.models.sql.constants import SINGLE
+
+        query = Query(None)
+        for name, value in against.items():
+            if not hasattr(value, "resolve_expression"):
+                value = Value(value)
+            query.add_annotation(value, name, select=False)
+        query.add_annotation(Value(1), "_check")
+        # This will raise a FieldError if a field is missing in "against".
+        if connections[using].features.supports_comparing_boolean_expr:
+            query.add_q(Q(Coalesce(self, True, output_field=BooleanField())))
+        else:
+            query.add_q(self)
+        compiler = query.get_compiler(using=using)
+        try:
+            return compiler.execute_sql(SINGLE) is not None
+        except DatabaseError as e:
+            logger.warning("Got a database error calling check() on %r: %s", self, e)
+            return True
+
+    def deconstruct(self):
+        path = "%s.%s" % (self.__class__.__module__, self.__class__.__name__)
+        if path.startswith("django.db.models.query_utils"):
+            path = path.replace("django.db.models.query_utils", "django.db.models")
+        args = tuple(self.children)
+        kwargs = {}
+        if self.connector != self.default:
+            kwargs["_connector"] = self.connector
+        if self.negated:
+            kwargs["_negated"] = True
+        return path, args, kwargs
+
+    @cached_property
+    def identity(self):
+        path, args, kwargs = self.deconstruct()
+        identity = [path, *kwargs.items()]
+        for child in args:
+            if isinstance(child, tuple):
+                arg, value = child
+                value = make_hashable(value)
+                identity.append((arg, value))
+            else:
+                identity.append(child)
+        return tuple(identity)
+
+    def __eq__(self, other):
+        if not isinstance(other, Q):
+            return NotImplemented
+        return other.identity == self.identity
+
+    def __hash__(self):
+        return hash(self.identity)
+
+    @cached_property
+    def referenced_base_fields(self):
+        """
+        Retrieve all base fields referenced directly or through F expressions
+        excluding any fields referenced through joins.
+        """
+        # Avoid circular imports.
+        from django.db.models.sql import query
+
+        return {
+            child.split(LOOKUP_SEP, 1)[0] for child in query.get_children_from_q(self)
+        }
+
+
+class DeferredAttribute:
+    """
+    A wrapper for a deferred-loading field. When the value is read from this
+    object the first time, the query is executed.
+    """
+
+    def __init__(self, field):
+        self.field = field
+
+    def __get__(self, instance, cls=None):
+        """
+        Retrieve and caches the value from the datastore on the first lookup.
+        Return the cached value.
+        """
+        if instance is None:
+            return self
+        data = instance.__dict__
+        field_name = self.field.attname
+        if field_name not in data:
+            # Let's see if the field is part of the parent chain. If so we
+            # might be able to reuse the already loaded value. Refs #18343.
+            val = self._check_parent_chain(instance)
+            if val is None:
+                if instance.pk is None and self.field.generated:
+                    raise AttributeError(
+                        "Cannot read a generated field from an unsaved model."
+                    )
+                instance.refresh_from_db(fields=[field_name])
+            else:
+                data[field_name] = val
+        return data[field_name]
+
+    def _check_parent_chain(self, instance):
+        """
+        Check if the field value can be fetched from a parent field already
+        loaded in the instance. This can be done if the to-be fetched
+        field is a primary key field.
+        """
+        opts = instance._meta
+        link_field = opts.get_ancestor_link(self.field.model)
+        if self.field.primary_key and self.field != link_field:
+            return getattr(instance, link_field.attname)
+        return None
+
+
+class class_or_instance_method:
+    """
+    Hook used in RegisterLookupMixin to return partial functions depending on
+    the caller type (instance or class of models.Field).
+    """
+
+    def __init__(self, class_method, instance_method):
+        self.class_method = class_method
+        self.instance_method = instance_method
+
+    def __get__(self, instance, owner):
+        if instance is None:
+            return functools.partial(self.class_method, owner)
+        return functools.partial(self.instance_method, instance)
+
+
+class RegisterLookupMixin:
+    def _get_lookup(self, lookup_name):
+        return self.get_lookups().get(lookup_name, None)
+
+    @functools.cache
+    def get_class_lookups(cls):
+        class_lookups = [
+            parent.__dict__.get("class_lookups", {}) for parent in inspect.getmro(cls)
+        ]
+        return cls.merge_dicts(class_lookups)
+
+    def get_instance_lookups(self):
+        class_lookups = self.get_class_lookups()
+        if instance_lookups := getattr(self, "instance_lookups", None):
+            return {**class_lookups, **instance_lookups}
+        return class_lookups
+
+    get_lookups = class_or_instance_method(get_class_lookups, get_instance_lookups)
+    get_class_lookups = classmethod(get_class_lookups)
+
+    def get_lookup(self, lookup_name):
+        from django.db.models.lookups import Lookup
+
+        found = self._get_lookup(lookup_name)
+        if found is None and hasattr(self, "output_field"):
+            return self.output_field.get_lookup(lookup_name)
+        if found is not None and not issubclass(found, Lookup):
+            return None
+        return found
+
+    def get_transform(self, lookup_name):
+        from django.db.models.lookups import Transform
+
+        found = self._get_lookup(lookup_name)
+        if found is None and hasattr(self, "output_field"):
+            return self.output_field.get_transform(lookup_name)
+        if found is not None and not issubclass(found, Transform):
+            return None
+        return found
+
+    @staticmethod
+    def merge_dicts(dicts):
+        """
+        Merge dicts in reverse to preference the order of the original list. e.g.,
+        merge_dicts([a, b]) will preference the keys in 'a' over those in 'b'.
+        """
+        merged = {}
+        for d in reversed(dicts):
+            merged.update(d)
+        return merged
+
+    @classmethod
+    def _clear_cached_class_lookups(cls):
+        for subclass in subclasses(cls):
+            subclass.get_class_lookups.cache_clear()
+
+    def register_class_lookup(cls, lookup, lookup_name=None):
+        if lookup_name is None:
+            lookup_name = lookup.lookup_name
+        if "class_lookups" not in cls.__dict__:
+            cls.class_lookups = {}
+        cls.class_lookups[lookup_name] = lookup
+        cls._clear_cached_class_lookups()
+        return lookup
+
+    def register_instance_lookup(self, lookup, lookup_name=None):
+        if lookup_name is None:
+            lookup_name = lookup.lookup_name
+        if "instance_lookups" not in self.__dict__:
+            self.instance_lookups = {}
+        self.instance_lookups[lookup_name] = lookup
+        return lookup
+
+    register_lookup = class_or_instance_method(
+        register_class_lookup, register_instance_lookup
+    )
+    register_class_lookup = classmethod(register_class_lookup)
+
+    def _unregister_class_lookup(cls, lookup, lookup_name=None):
+        """
+        Remove given lookup from cls lookups. For use in tests only as it's
+        not thread-safe.
+        """
+        if lookup_name is None:
+            lookup_name = lookup.lookup_name
+        del cls.class_lookups[lookup_name]
+        cls._clear_cached_class_lookups()
+
+    def _unregister_instance_lookup(self, lookup, lookup_name=None):
+        """
+        Remove given lookup from instance lookups. For use in tests only as
+        it's not thread-safe.
+        """
+        if lookup_name is None:
+            lookup_name = lookup.lookup_name
+        del self.instance_lookups[lookup_name]
+
+    _unregister_lookup = class_or_instance_method(
+        _unregister_class_lookup, _unregister_instance_lookup
+    )
+    _unregister_class_lookup = classmethod(_unregister_class_lookup)
+
+
+def select_related_descend(field, restricted, requested, select_mask, reverse=False):
+    """
+    Return True if this field should be used to descend deeper for
+    select_related() purposes. Used by both the query construction code
+    (compiler.get_related_selections()) and the model instance creation code
+    (compiler.klass_info).
+
+    Arguments:
+     * field - the field to be checked
+     * restricted - a boolean field, indicating if the field list has been
+       manually restricted using a requested clause)
+     * requested - The select_related() dictionary.
+     * select_mask - the dictionary of selected fields.
+     * reverse - boolean, True if we are checking a reverse select related
+    """
+    if not field.remote_field:
+        return False
+    if field.remote_field.parent_link and not reverse:
+        return False
+    if restricted:
+        if reverse and field.related_query_name() not in requested:
+            return False
+        if not reverse and field.name not in requested:
+            return False
+    if not restricted and field.null:
+        return False
+    if (
+        restricted
+        and select_mask
+        and field.name in requested
+        and field not in select_mask
+    ):
+        raise FieldError(
+            f"Field {field.model._meta.object_name}.{field.name} cannot be both "
+            "deferred and traversed using select_related at the same time."
+        )
+    return True
+
+
+def refs_expression(lookup_parts, annotations):
+    """
+    Check if the lookup_parts contains references to the given annotations set.
+    Because the LOOKUP_SEP is contained in the default annotation names, check
+    each prefix of the lookup_parts for a match.
+    """
+    for n in range(1, len(lookup_parts) + 1):
+        level_n_lookup = LOOKUP_SEP.join(lookup_parts[0:n])
+        if annotations.get(level_n_lookup):
+            return level_n_lookup, lookup_parts[n:]
+    return None, ()
+
+
+def check_rel_lookup_compatibility(model, target_opts, field):
+    """
+    Check that self.model is compatible with target_opts. Compatibility
+    is OK if:
+      1) model and opts match (where proxy inheritance is removed)
+      2) model is parent of opts' model or the other way around
+    """
+
+    def check(opts):
+        return (
+            model._meta.concrete_model == opts.concrete_model
+            or opts.concrete_model in model._meta.get_parent_list()
+            or model in opts.get_parent_list()
+        )
+
+    # If the field is a primary key, then doing a query against the field's
+    # model is ok, too. Consider the case:
+    # class Restaurant(models.Model):
+    #     place = OneToOneField(Place, primary_key=True):
+    # Restaurant.objects.filter(pk__in=Restaurant.objects.all()).
+    # If we didn't have the primary key check, then pk__in (== place__in) would
+    # give Place's opts as the target opts, but Restaurant isn't compatible
+    # with that. This logic applies only to primary keys, as when doing __in=qs,
+    # we are going to turn this into __in=qs.values('pk') later on.
+    return check(target_opts) or (
+        getattr(field, "primary_key", False) and check(field.model._meta)
+    )
+
+
+class FilteredRelation:
+    """Specify custom filtering in the ON clause of SQL joins."""
+
+    def __init__(self, relation_name, *, condition=Q()):
+        if not relation_name:
+            raise ValueError("relation_name cannot be empty.")
+        self.relation_name = relation_name
+        self.alias = None
+        if not isinstance(condition, Q):
+            raise ValueError("condition argument must be a Q() instance.")
+        # .condition and .resolved_condition have to be stored independently
+        # as the former must remain unchanged for Join.__eq__ to remain stable
+        # and reusable even once their .filtered_relation are resolved.
+        self.condition = condition
+        self.resolved_condition = None
+
+    def __eq__(self, other):
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        return (
+            self.relation_name == other.relation_name
+            and self.alias == other.alias
+            and self.condition == other.condition
+        )
+
+    def clone(self):
+        clone = FilteredRelation(self.relation_name, condition=self.condition)
+        clone.alias = self.alias
+        if (resolved_condition := self.resolved_condition) is not None:
+            clone.resolved_condition = resolved_condition.clone()
+        return clone
+
+    def relabeled_clone(self, change_map):
+        clone = self.clone()
+        if resolved_condition := clone.resolved_condition:
+            clone.resolved_condition = resolved_condition.relabeled_clone(change_map)
+        return clone
+
+    def resolve_expression(self, query, reuse, *args, **kwargs):
+        clone = self.clone()
+        clone.resolved_condition = query.build_filter(
+            self.condition,
+            can_reuse=reuse,
+            allow_joins=True,
+            split_subq=False,
+            update_join_types=False,
+        )[0]
+        return clone
+
+    def as_sql(self, compiler, connection):
+        return compiler.compile(self.resolved_condition)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/signals.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/signals.py
new file mode 100644
index 00000000..a0720937
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/signals.py
@@ -0,0 +1,54 @@
+from functools import partial
+
+from django.db.models.utils import make_model_tuple
+from django.dispatch import Signal
+
+class_prepared = Signal()
+
+
+class ModelSignal(Signal):
+    """
+    Signal subclass that allows the sender to be lazily specified as a string
+    of the `app_label.ModelName` form.
+    """
+
+    def _lazy_method(self, method, apps, receiver, sender, **kwargs):
+        from django.db.models.options import Options
+
+        # This partial takes a single optional argument named "sender".
+        partial_method = partial(method, receiver, **kwargs)
+        if isinstance(sender, str):
+            apps = apps or Options.default_apps
+            apps.lazy_model_operation(partial_method, make_model_tuple(sender))
+        else:
+            return partial_method(sender)
+
+    def connect(self, receiver, sender=None, weak=True, dispatch_uid=None, apps=None):
+        self._lazy_method(
+            super().connect,
+            apps,
+            receiver,
+            sender,
+            weak=weak,
+            dispatch_uid=dispatch_uid,
+        )
+
+    def disconnect(self, receiver=None, sender=None, dispatch_uid=None, apps=None):
+        return self._lazy_method(
+            super().disconnect, apps, receiver, sender, dispatch_uid=dispatch_uid
+        )
+
+
+pre_init = ModelSignal(use_caching=True)
+post_init = ModelSignal(use_caching=True)
+
+pre_save = ModelSignal(use_caching=True)
+post_save = ModelSignal(use_caching=True)
+
+pre_delete = ModelSignal(use_caching=True)
+post_delete = ModelSignal(use_caching=True)
+
+m2m_changed = ModelSignal(use_caching=True)
+
+pre_migrate = Signal()
+post_migrate = Signal()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/__init__.py
new file mode 100644
index 00000000..dd31a6ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/__init__.py
@@ -0,0 +1,6 @@
+from django.db.models.sql.query import *  # NOQA
+from django.db.models.sql.query import Query
+from django.db.models.sql.subqueries import *  # NOQA
+from django.db.models.sql.where import AND, OR, XOR
+
+__all__ = ["Query", "AND", "OR", "XOR"]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/compiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/compiler.py
new file mode 100644
index 00000000..421b880d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/compiler.py
@@ -0,0 +1,2102 @@
+import collections
+import json
+import re
+from functools import partial
+from itertools import chain
+
+from django.core.exceptions import EmptyResultSet, FieldError, FullResultSet
+from django.db import DatabaseError, NotSupportedError
+from django.db.models.constants import LOOKUP_SEP
+from django.db.models.expressions import F, OrderBy, RawSQL, Ref, Value
+from django.db.models.functions import Cast, Random
+from django.db.models.lookups import Lookup
+from django.db.models.query_utils import select_related_descend
+from django.db.models.sql.constants import (
+    CURSOR,
+    GET_ITERATOR_CHUNK_SIZE,
+    MULTI,
+    NO_RESULTS,
+    ORDER_DIR,
+    SINGLE,
+)
+from django.db.models.sql.query import Query, get_order_dir
+from django.db.models.sql.where import AND
+from django.db.transaction import TransactionManagementError
+from django.utils.functional import cached_property
+from django.utils.hashable import make_hashable
+from django.utils.regex_helper import _lazy_re_compile
+
+
+class PositionRef(Ref):
+    def __init__(self, ordinal, refs, source):
+        self.ordinal = ordinal
+        super().__init__(refs, source)
+
+    def as_sql(self, compiler, connection):
+        return str(self.ordinal), ()
+
+
+class SQLCompiler:
+    # Multiline ordering SQL clause may appear from RawSQL.
+    ordering_parts = _lazy_re_compile(
+        r"^(.*)\s(?:ASC|DESC).*",
+        re.MULTILINE | re.DOTALL,
+    )
+
+    def __init__(self, query, connection, using, elide_empty=True):
+        self.query = query
+        self.connection = connection
+        self.using = using
+        # Some queries, e.g. coalesced aggregation, need to be executed even if
+        # they would return an empty result set.
+        self.elide_empty = elide_empty
+        self.quote_cache = {"*": "*"}
+        # The select, klass_info, and annotations are needed by QuerySet.iterator()
+        # these are set as a side-effect of executing the query. Note that we calculate
+        # separately a list of extra select columns needed for grammatical correctness
+        # of the query, but these columns are not included in self.select.
+        self.select = None
+        self.annotation_col_map = None
+        self.klass_info = None
+        self._meta_ordering = None
+
+    def __repr__(self):
+        return (
+            f"<{self.__class__.__qualname__} "
+            f"model={self.query.model.__qualname__} "
+            f"connection={self.connection!r} using={self.using!r}>"
+        )
+
+    def setup_query(self, with_col_aliases=False):
+        if all(self.query.alias_refcount[a] == 0 for a in self.query.alias_map):
+            self.query.get_initial_alias()
+        self.select, self.klass_info, self.annotation_col_map = self.get_select(
+            with_col_aliases=with_col_aliases,
+        )
+        self.col_count = len(self.select)
+
+    def pre_sql_setup(self, with_col_aliases=False):
+        """
+        Do any necessary class setup immediately prior to producing SQL. This
+        is for things that can't necessarily be done in __init__ because we
+        might not have all the pieces in place at that time.
+        """
+        self.setup_query(with_col_aliases=with_col_aliases)
+        order_by = self.get_order_by()
+        self.where, self.having, self.qualify = self.query.where.split_having_qualify(
+            must_group_by=self.query.group_by is not None
+        )
+        extra_select = self.get_extra_select(order_by, self.select)
+        self.has_extra_select = bool(extra_select)
+        group_by = self.get_group_by(self.select + extra_select, order_by)
+        return extra_select, order_by, group_by
+
+    def get_group_by(self, select, order_by):
+        """
+        Return a list of 2-tuples of form (sql, params).
+
+        The logic of what exactly the GROUP BY clause contains is hard
+        to describe in other words than "if it passes the test suite,
+        then it is correct".
+        """
+        # Some examples:
+        #     SomeModel.objects.annotate(Count('somecol'))
+        #     GROUP BY: all fields of the model
+        #
+        #    SomeModel.objects.values('name').annotate(Count('somecol'))
+        #    GROUP BY: name
+        #
+        #    SomeModel.objects.annotate(Count('somecol')).values('name')
+        #    GROUP BY: all cols of the model
+        #
+        #    SomeModel.objects.values('name', 'pk')
+        #    .annotate(Count('somecol')).values('pk')
+        #    GROUP BY: name, pk
+        #
+        #    SomeModel.objects.values('name').annotate(Count('somecol')).values('pk')
+        #    GROUP BY: name, pk
+        #
+        # In fact, the self.query.group_by is the minimal set to GROUP BY. It
+        # can't be ever restricted to a smaller set, but additional columns in
+        # HAVING, ORDER BY, and SELECT clauses are added to it. Unfortunately
+        # the end result is that it is impossible to force the query to have
+        # a chosen GROUP BY clause - you can almost do this by using the form:
+        #     .values(*wanted_cols).annotate(AnAggregate())
+        # but any later annotations, extra selects, values calls that
+        # refer some column outside of the wanted_cols, order_by, or even
+        # filter calls can alter the GROUP BY clause.
+
+        # The query.group_by is either None (no GROUP BY at all), True
+        # (group by select fields), or a list of expressions to be added
+        # to the group by.
+        if self.query.group_by is None:
+            return []
+        expressions = []
+        group_by_refs = set()
+        if self.query.group_by is not True:
+            # If the group by is set to a list (by .values() call most likely),
+            # then we need to add everything in it to the GROUP BY clause.
+            # Backwards compatibility hack for setting query.group_by. Remove
+            # when we have public API way of forcing the GROUP BY clause.
+            # Converts string references to expressions.
+            for expr in self.query.group_by:
+                if not hasattr(expr, "as_sql"):
+                    expr = self.query.resolve_ref(expr)
+                if isinstance(expr, Ref):
+                    if expr.refs not in group_by_refs:
+                        group_by_refs.add(expr.refs)
+                        expressions.append(expr.source)
+                else:
+                    expressions.append(expr)
+        # Note that even if the group_by is set, it is only the minimal
+        # set to group by. So, we need to add cols in select, order_by, and
+        # having into the select in any case.
+        selected_expr_positions = {}
+        for ordinal, (expr, _, alias) in enumerate(select, start=1):
+            if alias:
+                selected_expr_positions[expr] = ordinal
+            # Skip members of the select clause that are already explicitly
+            # grouped against.
+            if alias in group_by_refs:
+                continue
+            expressions.extend(expr.get_group_by_cols())
+        if not self._meta_ordering:
+            for expr, (sql, params, is_ref) in order_by:
+                # Skip references to the SELECT clause, as all expressions in
+                # the SELECT clause are already part of the GROUP BY.
+                if not is_ref:
+                    expressions.extend(expr.get_group_by_cols())
+        having_group_by = self.having.get_group_by_cols() if self.having else ()
+        for expr in having_group_by:
+            expressions.append(expr)
+        result = []
+        seen = set()
+        expressions = self.collapse_group_by(expressions, having_group_by)
+
+        allows_group_by_select_index = (
+            self.connection.features.allows_group_by_select_index
+        )
+        for expr in expressions:
+            try:
+                sql, params = self.compile(expr)
+            except (EmptyResultSet, FullResultSet):
+                continue
+            if (
+                allows_group_by_select_index
+                and (position := selected_expr_positions.get(expr)) is not None
+            ):
+                sql, params = str(position), ()
+            else:
+                sql, params = expr.select_format(self, sql, params)
+            params_hash = make_hashable(params)
+            if (sql, params_hash) not in seen:
+                result.append((sql, params))
+                seen.add((sql, params_hash))
+        return result
+
+    def collapse_group_by(self, expressions, having):
+        # If the database supports group by functional dependence reduction,
+        # then the expressions can be reduced to the set of selected table
+        # primary keys as all other columns are functionally dependent on them.
+        if self.connection.features.allows_group_by_selected_pks:
+            # Filter out all expressions associated with a table's primary key
+            # present in the grouped columns. This is done by identifying all
+            # tables that have their primary key included in the grouped
+            # columns and removing non-primary key columns referring to them.
+            # Unmanaged models are excluded because they could be representing
+            # database views on which the optimization might not be allowed.
+            pks = {
+                expr
+                for expr in expressions
+                if (
+                    hasattr(expr, "target")
+                    and expr.target.primary_key
+                    and self.connection.features.allows_group_by_selected_pks_on_model(
+                        expr.target.model
+                    )
+                )
+            }
+            aliases = {expr.alias for expr in pks}
+            expressions = [
+                expr
+                for expr in expressions
+                if expr in pks
+                or expr in having
+                or getattr(expr, "alias", None) not in aliases
+            ]
+        return expressions
+
+    def get_select(self, with_col_aliases=False):
+        """
+        Return three values:
+        - a list of 3-tuples of (expression, (sql, params), alias)
+        - a klass_info structure,
+        - a dictionary of annotations
+
+        The (sql, params) is what the expression will produce, and alias is the
+        "AS alias" for the column (possibly None).
+
+        The klass_info structure contains the following information:
+        - The base model of the query.
+        - Which columns for that model are present in the query (by
+          position of the select clause).
+        - related_klass_infos: [f, klass_info] to descent into
+
+        The annotations is a dictionary of {'attname': column position} values.
+        """
+        select = []
+        klass_info = None
+        annotations = {}
+        select_idx = 0
+        for alias, (sql, params) in self.query.extra_select.items():
+            annotations[alias] = select_idx
+            select.append((RawSQL(sql, params), alias))
+            select_idx += 1
+        assert not (self.query.select and self.query.default_cols)
+        select_mask = self.query.get_select_mask()
+        if self.query.default_cols:
+            cols = self.get_default_columns(select_mask)
+        else:
+            # self.query.select is a special case. These columns never go to
+            # any model.
+            cols = self.query.select
+        if cols:
+            select_list = []
+            for col in cols:
+                select_list.append(select_idx)
+                select.append((col, None))
+                select_idx += 1
+            klass_info = {
+                "model": self.query.model,
+                "select_fields": select_list,
+            }
+        for alias, annotation in self.query.annotation_select.items():
+            annotations[alias] = select_idx
+            select.append((annotation, alias))
+            select_idx += 1
+
+        if self.query.select_related:
+            related_klass_infos = self.get_related_selections(select, select_mask)
+            klass_info["related_klass_infos"] = related_klass_infos
+
+            def get_select_from_parent(klass_info):
+                for ki in klass_info["related_klass_infos"]:
+                    if ki["from_parent"]:
+                        ki["select_fields"] = (
+                            klass_info["select_fields"] + ki["select_fields"]
+                        )
+                    get_select_from_parent(ki)
+
+            get_select_from_parent(klass_info)
+
+        ret = []
+        col_idx = 1
+        for col, alias in select:
+            try:
+                sql, params = self.compile(col)
+            except EmptyResultSet:
+                empty_result_set_value = getattr(
+                    col, "empty_result_set_value", NotImplemented
+                )
+                if empty_result_set_value is NotImplemented:
+                    # Select a predicate that's always False.
+                    sql, params = "0", ()
+                else:
+                    sql, params = self.compile(Value(empty_result_set_value))
+            except FullResultSet:
+                sql, params = self.compile(Value(True))
+            else:
+                sql, params = col.select_format(self, sql, params)
+            if alias is None and with_col_aliases:
+                alias = f"col{col_idx}"
+                col_idx += 1
+            ret.append((col, (sql, params), alias))
+        return ret, klass_info, annotations
+
+    def _order_by_pairs(self):
+        if self.query.extra_order_by:
+            ordering = self.query.extra_order_by
+        elif not self.query.default_ordering:
+            ordering = self.query.order_by
+        elif self.query.order_by:
+            ordering = self.query.order_by
+        elif (meta := self.query.get_meta()) and meta.ordering:
+            ordering = meta.ordering
+            self._meta_ordering = ordering
+        else:
+            ordering = []
+        if self.query.standard_ordering:
+            default_order, _ = ORDER_DIR["ASC"]
+        else:
+            default_order, _ = ORDER_DIR["DESC"]
+
+        selected_exprs = {}
+        # Avoid computing `selected_exprs` if there is no `ordering` as it's
+        # relatively expensive.
+        if ordering and (select := self.select):
+            for ordinal, (expr, _, alias) in enumerate(select, start=1):
+                pos_expr = PositionRef(ordinal, alias, expr)
+                if alias:
+                    selected_exprs[alias] = pos_expr
+                selected_exprs[expr] = pos_expr
+
+        for field in ordering:
+            if hasattr(field, "resolve_expression"):
+                if isinstance(field, Value):
+                    # output_field must be resolved for constants.
+                    field = Cast(field, field.output_field)
+                if not isinstance(field, OrderBy):
+                    field = field.asc()
+                if not self.query.standard_ordering:
+                    field = field.copy()
+                    field.reverse_ordering()
+                select_ref = selected_exprs.get(field.expression)
+                if select_ref or (
+                    isinstance(field.expression, F)
+                    and (select_ref := selected_exprs.get(field.expression.name))
+                ):
+                    # Emulation of NULLS (FIRST|LAST) cannot be combined with
+                    # the usage of ordering by position.
+                    if (
+                        field.nulls_first is None and field.nulls_last is None
+                    ) or self.connection.features.supports_order_by_nulls_modifier:
+                        field = field.copy()
+                        field.expression = select_ref
+                    # Alias collisions are not possible when dealing with
+                    # combined queries so fallback to it if emulation of NULLS
+                    # handling is required.
+                    elif self.query.combinator:
+                        field = field.copy()
+                        field.expression = Ref(select_ref.refs, select_ref.source)
+                yield field, select_ref is not None
+                continue
+            if field == "?":  # random
+                yield OrderBy(Random()), False
+                continue
+
+            col, order = get_order_dir(field, default_order)
+            descending = order == "DESC"
+
+            if select_ref := selected_exprs.get(col):
+                # Reference to expression in SELECT clause
+                yield (
+                    OrderBy(
+                        select_ref,
+                        descending=descending,
+                    ),
+                    True,
+                )
+                continue
+            if col in self.query.annotations:
+                # References to an expression which is masked out of the SELECT
+                # clause.
+                if self.query.combinator and self.select:
+                    # Don't use the resolved annotation because other
+                    # combinated queries might define it differently.
+                    expr = F(col)
+                else:
+                    expr = self.query.annotations[col]
+                    if isinstance(expr, Value):
+                        # output_field must be resolved for constants.
+                        expr = Cast(expr, expr.output_field)
+                yield OrderBy(expr, descending=descending), False
+                continue
+
+            if "." in field:
+                # This came in through an extra(order_by=...) addition. Pass it
+                # on verbatim.
+                table, col = col.split(".", 1)
+                yield (
+                    OrderBy(
+                        RawSQL(
+                            "%s.%s" % (self.quote_name_unless_alias(table), col), []
+                        ),
+                        descending=descending,
+                    ),
+                    False,
+                )
+                continue
+
+            if self.query.extra and col in self.query.extra:
+                if col in self.query.extra_select:
+                    yield (
+                        OrderBy(
+                            Ref(col, RawSQL(*self.query.extra[col])),
+                            descending=descending,
+                        ),
+                        True,
+                    )
+                else:
+                    yield (
+                        OrderBy(RawSQL(*self.query.extra[col]), descending=descending),
+                        False,
+                    )
+            else:
+                if self.query.combinator and self.select:
+                    # Don't use the first model's field because other
+                    # combinated queries might define it differently.
+                    yield OrderBy(F(col), descending=descending), False
+                else:
+                    # 'col' is of the form 'field' or 'field1__field2' or
+                    # '-field1__field2__field', etc.
+                    yield from self.find_ordering_name(
+                        field,
+                        self.query.get_meta(),
+                        default_order=default_order,
+                    )
+
+    def get_order_by(self):
+        """
+        Return a list of 2-tuples of the form (expr, (sql, params, is_ref)) for
+        the ORDER BY clause.
+
+        The order_by clause can alter the select clause (for example it can add
+        aliases to clauses that do not yet have one, or it can add totally new
+        select clauses).
+        """
+        result = []
+        seen = set()
+        for expr, is_ref in self._order_by_pairs():
+            resolved = expr.resolve_expression(self.query, allow_joins=True, reuse=None)
+            if not is_ref and self.query.combinator and self.select:
+                src = resolved.expression
+                expr_src = expr.expression
+                for sel_expr, _, col_alias in self.select:
+                    if src == sel_expr:
+                        # When values() is used the exact alias must be used to
+                        # reference annotations.
+                        if (
+                            self.query.has_select_fields
+                            and col_alias in self.query.annotation_select
+                            and not (
+                                isinstance(expr_src, F) and col_alias == expr_src.name
+                            )
+                        ):
+                            continue
+                        resolved.set_source_expressions(
+                            [Ref(col_alias if col_alias else src.target.column, src)]
+                        )
+                        break
+                else:
+                    # Add column used in ORDER BY clause to the selected
+                    # columns and to each combined query.
+                    order_by_idx = len(self.query.select) + 1
+                    col_alias = f"__orderbycol{order_by_idx}"
+                    for q in self.query.combined_queries:
+                        # If fields were explicitly selected through values()
+                        # combined queries cannot be augmented.
+                        if q.has_select_fields:
+                            raise DatabaseError(
+                                "ORDER BY term does not match any column in "
+                                "the result set."
+                            )
+                        q.add_annotation(expr_src, col_alias)
+                    self.query.add_select_col(resolved, col_alias)
+                    resolved.set_source_expressions([Ref(col_alias, src)])
+            sql, params = self.compile(resolved)
+            # Don't add the same column twice, but the order direction is
+            # not taken into account so we strip it. When this entire method
+            # is refactored into expressions, then we can check each part as we
+            # generate it.
+            without_ordering = self.ordering_parts.search(sql)[1]
+            params_hash = make_hashable(params)
+            if (without_ordering, params_hash) in seen:
+                continue
+            seen.add((without_ordering, params_hash))
+            result.append((resolved, (sql, params, is_ref)))
+        return result
+
+    def get_extra_select(self, order_by, select):
+        extra_select = []
+        if self.query.distinct and not self.query.distinct_fields:
+            select_sql = [t[1] for t in select]
+            for expr, (sql, params, is_ref) in order_by:
+                without_ordering = self.ordering_parts.search(sql)[1]
+                if not is_ref and (without_ordering, params) not in select_sql:
+                    extra_select.append((expr, (without_ordering, params), None))
+        return extra_select
+
+    def quote_name_unless_alias(self, name):
+        """
+        A wrapper around connection.ops.quote_name that doesn't quote aliases
+        for table names. This avoids problems with some SQL dialects that treat
+        quoted strings specially (e.g. PostgreSQL).
+        """
+        if name in self.quote_cache:
+            return self.quote_cache[name]
+        if (
+            (name in self.query.alias_map and name not in self.query.table_map)
+            or name in self.query.extra_select
+            or (
+                self.query.external_aliases.get(name)
+                and name not in self.query.table_map
+            )
+        ):
+            self.quote_cache[name] = name
+            return name
+        r = self.connection.ops.quote_name(name)
+        self.quote_cache[name] = r
+        return r
+
+    def compile(self, node):
+        vendor_impl = getattr(node, "as_" + self.connection.vendor, None)
+        if vendor_impl:
+            sql, params = vendor_impl(self, self.connection)
+        else:
+            sql, params = node.as_sql(self, self.connection)
+        return sql, params
+
+    def get_combinator_sql(self, combinator, all):
+        features = self.connection.features
+        compilers = [
+            query.get_compiler(self.using, self.connection, self.elide_empty)
+            for query in self.query.combined_queries
+        ]
+        if not features.supports_slicing_ordering_in_compound:
+            for compiler in compilers:
+                if compiler.query.is_sliced:
+                    raise DatabaseError(
+                        "LIMIT/OFFSET not allowed in subqueries of compound statements."
+                    )
+                if compiler.get_order_by():
+                    raise DatabaseError(
+                        "ORDER BY not allowed in subqueries of compound statements."
+                    )
+        elif self.query.is_sliced and combinator == "union":
+            for compiler in compilers:
+                # A sliced union cannot have its parts elided as some of them
+                # might be sliced as well and in the event where only a single
+                # part produces a non-empty resultset it might be impossible to
+                # generate valid SQL.
+                compiler.elide_empty = False
+        parts = ()
+        for compiler in compilers:
+            try:
+                # If the columns list is limited, then all combined queries
+                # must have the same columns list. Set the selects defined on
+                # the query on all combined queries, if not already set.
+                if not compiler.query.values_select and self.query.values_select:
+                    compiler.query = compiler.query.clone()
+                    compiler.query.set_values(
+                        (
+                            *self.query.extra_select,
+                            *self.query.values_select,
+                            *self.query.annotation_select,
+                        )
+                    )
+                part_sql, part_args = compiler.as_sql(with_col_aliases=True)
+                if compiler.query.combinator:
+                    # Wrap in a subquery if wrapping in parentheses isn't
+                    # supported.
+                    if not features.supports_parentheses_in_compound:
+                        part_sql = "SELECT * FROM ({})".format(part_sql)
+                    # Add parentheses when combining with compound query if not
+                    # already added for all compound queries.
+                    elif (
+                        self.query.subquery
+                        or not features.supports_slicing_ordering_in_compound
+                    ):
+                        part_sql = "({})".format(part_sql)
+                elif (
+                    self.query.subquery
+                    and features.supports_slicing_ordering_in_compound
+                ):
+                    part_sql = "({})".format(part_sql)
+                parts += ((part_sql, part_args),)
+            except EmptyResultSet:
+                # Omit the empty queryset with UNION and with DIFFERENCE if the
+                # first queryset is nonempty.
+                if combinator == "union" or (combinator == "difference" and parts):
+                    continue
+                raise
+        if not parts:
+            raise EmptyResultSet
+        combinator_sql = self.connection.ops.set_operators[combinator]
+        if all and combinator == "union":
+            combinator_sql += " ALL"
+        braces = "{}"
+        if not self.query.subquery and features.supports_slicing_ordering_in_compound:
+            braces = "({})"
+        sql_parts, args_parts = zip(
+            *((braces.format(sql), args) for sql, args in parts)
+        )
+        result = [" {} ".format(combinator_sql).join(sql_parts)]
+        params = []
+        for part in args_parts:
+            params.extend(part)
+        return result, params
+
+    def get_qualify_sql(self):
+        where_parts = []
+        if self.where:
+            where_parts.append(self.where)
+        if self.having:
+            where_parts.append(self.having)
+        inner_query = self.query.clone()
+        inner_query.subquery = True
+        inner_query.where = inner_query.where.__class__(where_parts)
+        # Augment the inner query with any window function references that
+        # might have been masked via values() and alias(). If any masked
+        # aliases are added they'll be masked again to avoid fetching
+        # the data in the `if qual_aliases` branch below.
+        select = {
+            expr: alias for expr, _, alias in self.get_select(with_col_aliases=True)[0]
+        }
+        select_aliases = set(select.values())
+        qual_aliases = set()
+        replacements = {}
+
+        def collect_replacements(expressions):
+            while expressions:
+                expr = expressions.pop()
+                if expr in replacements:
+                    continue
+                elif select_alias := select.get(expr):
+                    replacements[expr] = select_alias
+                elif isinstance(expr, Lookup):
+                    expressions.extend(expr.get_source_expressions())
+                elif isinstance(expr, Ref):
+                    if expr.refs not in select_aliases:
+                        expressions.extend(expr.get_source_expressions())
+                else:
+                    num_qual_alias = len(qual_aliases)
+                    select_alias = f"qual{num_qual_alias}"
+                    qual_aliases.add(select_alias)
+                    inner_query.add_annotation(expr, select_alias)
+                    replacements[expr] = select_alias
+
+        collect_replacements(list(self.qualify.leaves()))
+        self.qualify = self.qualify.replace_expressions(
+            {expr: Ref(alias, expr) for expr, alias in replacements.items()}
+        )
+        order_by = []
+        for order_by_expr, *_ in self.get_order_by():
+            collect_replacements(order_by_expr.get_source_expressions())
+            order_by.append(
+                order_by_expr.replace_expressions(
+                    {expr: Ref(alias, expr) for expr, alias in replacements.items()}
+                )
+            )
+        inner_query_compiler = inner_query.get_compiler(
+            self.using, connection=self.connection, elide_empty=self.elide_empty
+        )
+        inner_sql, inner_params = inner_query_compiler.as_sql(
+            # The limits must be applied to the outer query to avoid pruning
+            # results too eagerly.
+            with_limits=False,
+            # Force unique aliasing of selected columns to avoid collisions
+            # and make rhs predicates referencing easier.
+            with_col_aliases=True,
+        )
+        qualify_sql, qualify_params = self.compile(self.qualify)
+        result = [
+            "SELECT * FROM (",
+            inner_sql,
+            ")",
+            self.connection.ops.quote_name("qualify"),
+            "WHERE",
+            qualify_sql,
+        ]
+        if qual_aliases:
+            # If some select aliases were unmasked for filtering purposes they
+            # must be masked back.
+            cols = [self.connection.ops.quote_name(alias) for alias in select.values()]
+            result = [
+                "SELECT",
+                ", ".join(cols),
+                "FROM (",
+                *result,
+                ")",
+                self.connection.ops.quote_name("qualify_mask"),
+            ]
+        params = list(inner_params) + qualify_params
+        # As the SQL spec is unclear on whether or not derived tables
+        # ordering must propagate it has to be explicitly repeated on the
+        # outer-most query to ensure it's preserved.
+        if order_by:
+            ordering_sqls = []
+            for ordering in order_by:
+                ordering_sql, ordering_params = self.compile(ordering)
+                ordering_sqls.append(ordering_sql)
+                params.extend(ordering_params)
+            result.extend(["ORDER BY", ", ".join(ordering_sqls)])
+        return result, params
+
+    def as_sql(self, with_limits=True, with_col_aliases=False):
+        """
+        Create the SQL for this query. Return the SQL string and list of
+        parameters.
+
+        If 'with_limits' is False, any limit/offset information is not included
+        in the query.
+        """
+        refcounts_before = self.query.alias_refcount.copy()
+        try:
+            combinator = self.query.combinator
+            extra_select, order_by, group_by = self.pre_sql_setup(
+                with_col_aliases=with_col_aliases or bool(combinator),
+            )
+            for_update_part = None
+            # Is a LIMIT/OFFSET clause needed?
+            with_limit_offset = with_limits and self.query.is_sliced
+            combinator = self.query.combinator
+            features = self.connection.features
+            if combinator:
+                if not getattr(features, "supports_select_{}".format(combinator)):
+                    raise NotSupportedError(
+                        "{} is not supported on this database backend.".format(
+                            combinator
+                        )
+                    )
+                result, params = self.get_combinator_sql(
+                    combinator, self.query.combinator_all
+                )
+            elif self.qualify:
+                result, params = self.get_qualify_sql()
+                order_by = None
+            else:
+                distinct_fields, distinct_params = self.get_distinct()
+                # This must come after 'select', 'ordering', and 'distinct'
+                # (see docstring of get_from_clause() for details).
+                from_, f_params = self.get_from_clause()
+                try:
+                    where, w_params = (
+                        self.compile(self.where) if self.where is not None else ("", [])
+                    )
+                except EmptyResultSet:
+                    if self.elide_empty:
+                        raise
+                    # Use a predicate that's always False.
+                    where, w_params = "0 = 1", []
+                except FullResultSet:
+                    where, w_params = "", []
+                try:
+                    having, h_params = (
+                        self.compile(self.having)
+                        if self.having is not None
+                        else ("", [])
+                    )
+                except FullResultSet:
+                    having, h_params = "", []
+                result = ["SELECT"]
+                params = []
+
+                if self.query.distinct:
+                    distinct_result, distinct_params = self.connection.ops.distinct_sql(
+                        distinct_fields,
+                        distinct_params,
+                    )
+                    result += distinct_result
+                    params += distinct_params
+
+                out_cols = []
+                for _, (s_sql, s_params), alias in self.select + extra_select:
+                    if alias:
+                        s_sql = "%s AS %s" % (
+                            s_sql,
+                            self.connection.ops.quote_name(alias),
+                        )
+                    params.extend(s_params)
+                    out_cols.append(s_sql)
+
+                result += [", ".join(out_cols)]
+                if from_:
+                    result += ["FROM", *from_]
+                elif self.connection.features.bare_select_suffix:
+                    result += [self.connection.features.bare_select_suffix]
+                params.extend(f_params)
+
+                if self.query.select_for_update and features.has_select_for_update:
+                    if (
+                        self.connection.get_autocommit()
+                        # Don't raise an exception when database doesn't
+                        # support transactions, as it's a noop.
+                        and features.supports_transactions
+                    ):
+                        raise TransactionManagementError(
+                            "select_for_update cannot be used outside of a transaction."
+                        )
+
+                    if (
+                        with_limit_offset
+                        and not features.supports_select_for_update_with_limit
+                    ):
+                        raise NotSupportedError(
+                            "LIMIT/OFFSET is not supported with "
+                            "select_for_update on this database backend."
+                        )
+                    nowait = self.query.select_for_update_nowait
+                    skip_locked = self.query.select_for_update_skip_locked
+                    of = self.query.select_for_update_of
+                    no_key = self.query.select_for_no_key_update
+                    # If it's a NOWAIT/SKIP LOCKED/OF/NO KEY query but the
+                    # backend doesn't support it, raise NotSupportedError to
+                    # prevent a possible deadlock.
+                    if nowait and not features.has_select_for_update_nowait:
+                        raise NotSupportedError(
+                            "NOWAIT is not supported on this database backend."
+                        )
+                    elif skip_locked and not features.has_select_for_update_skip_locked:
+                        raise NotSupportedError(
+                            "SKIP LOCKED is not supported on this database backend."
+                        )
+                    elif of and not features.has_select_for_update_of:
+                        raise NotSupportedError(
+                            "FOR UPDATE OF is not supported on this database backend."
+                        )
+                    elif no_key and not features.has_select_for_no_key_update:
+                        raise NotSupportedError(
+                            "FOR NO KEY UPDATE is not supported on this "
+                            "database backend."
+                        )
+                    for_update_part = self.connection.ops.for_update_sql(
+                        nowait=nowait,
+                        skip_locked=skip_locked,
+                        of=self.get_select_for_update_of_arguments(),
+                        no_key=no_key,
+                    )
+
+                if for_update_part and features.for_update_after_from:
+                    result.append(for_update_part)
+
+                if where:
+                    result.append("WHERE %s" % where)
+                    params.extend(w_params)
+
+                grouping = []
+                for g_sql, g_params in group_by:
+                    grouping.append(g_sql)
+                    params.extend(g_params)
+                if grouping:
+                    if distinct_fields:
+                        raise NotImplementedError(
+                            "annotate() + distinct(fields) is not implemented."
+                        )
+                    order_by = order_by or self.connection.ops.force_no_ordering()
+                    result.append("GROUP BY %s" % ", ".join(grouping))
+                    if self._meta_ordering:
+                        order_by = None
+                if having:
+                    result.append("HAVING %s" % having)
+                    params.extend(h_params)
+
+            if self.query.explain_info:
+                result.insert(
+                    0,
+                    self.connection.ops.explain_query_prefix(
+                        self.query.explain_info.format,
+                        **self.query.explain_info.options,
+                    ),
+                )
+
+            if order_by:
+                ordering = []
+                for _, (o_sql, o_params, _) in order_by:
+                    ordering.append(o_sql)
+                    params.extend(o_params)
+                order_by_sql = "ORDER BY %s" % ", ".join(ordering)
+                if combinator and features.requires_compound_order_by_subquery:
+                    result = ["SELECT * FROM (", *result, ")", order_by_sql]
+                else:
+                    result.append(order_by_sql)
+
+            if with_limit_offset:
+                result.append(
+                    self.connection.ops.limit_offset_sql(
+                        self.query.low_mark, self.query.high_mark
+                    )
+                )
+
+            if for_update_part and not features.for_update_after_from:
+                result.append(for_update_part)
+
+            if self.query.subquery and extra_select:
+                # If the query is used as a subquery, the extra selects would
+                # result in more columns than the left-hand side expression is
+                # expecting. This can happen when a subquery uses a combination
+                # of order_by() and distinct(), forcing the ordering expressions
+                # to be selected as well. Wrap the query in another subquery
+                # to exclude extraneous selects.
+                sub_selects = []
+                sub_params = []
+                for index, (select, _, alias) in enumerate(self.select, start=1):
+                    if alias:
+                        sub_selects.append(
+                            "%s.%s"
+                            % (
+                                self.connection.ops.quote_name("subquery"),
+                                self.connection.ops.quote_name(alias),
+                            )
+                        )
+                    else:
+                        select_clone = select.relabeled_clone(
+                            {select.alias: "subquery"}
+                        )
+                        subselect, subparams = select_clone.as_sql(
+                            self, self.connection
+                        )
+                        sub_selects.append(subselect)
+                        sub_params.extend(subparams)
+                return "SELECT %s FROM (%s) subquery" % (
+                    ", ".join(sub_selects),
+                    " ".join(result),
+                ), tuple(sub_params + params)
+
+            return " ".join(result), tuple(params)
+        finally:
+            # Finally do cleanup - get rid of the joins we created above.
+            self.query.reset_refcounts(refcounts_before)
+
+    def get_default_columns(
+        self, select_mask, start_alias=None, opts=None, from_parent=None
+    ):
+        """
+        Compute the default columns for selecting every field in the base
+        model. Will sometimes be called to pull in related models (e.g. via
+        select_related), in which case "opts" and "start_alias" will be given
+        to provide a starting point for the traversal.
+
+        Return a list of strings, quoted appropriately for use in SQL
+        directly, as well as a set of aliases used in the select statement (if
+        'as_pairs' is True, return a list of (alias, col_name) pairs instead
+        of strings as the first component and None as the second component).
+        """
+        result = []
+        if opts is None:
+            if (opts := self.query.get_meta()) is None:
+                return result
+        start_alias = start_alias or self.query.get_initial_alias()
+        # The 'seen_models' is used to optimize checking the needed parent
+        # alias for a given field. This also includes None -> start_alias to
+        # be used by local fields.
+        seen_models = {None: start_alias}
+
+        for field in opts.concrete_fields:
+            model = field.model._meta.concrete_model
+            # A proxy model will have a different model and concrete_model. We
+            # will assign None if the field belongs to this model.
+            if model == opts.model:
+                model = None
+            if (
+                from_parent
+                and model is not None
+                and issubclass(
+                    from_parent._meta.concrete_model, model._meta.concrete_model
+                )
+            ):
+                # Avoid loading data for already loaded parents.
+                # We end up here in the case select_related() resolution
+                # proceeds from parent model to child model. In that case the
+                # parent model data is already present in the SELECT clause,
+                # and we want to avoid reloading the same data again.
+                continue
+            if select_mask and field not in select_mask:
+                continue
+            alias = self.query.join_parent_model(opts, model, start_alias, seen_models)
+            column = field.get_col(alias)
+            result.append(column)
+        return result
+
+    def get_distinct(self):
+        """
+        Return a quoted list of fields to use in DISTINCT ON part of the query.
+
+        This method can alter the tables in the query, and thus it must be
+        called before get_from_clause().
+        """
+        result = []
+        params = []
+        opts = self.query.get_meta()
+
+        for name in self.query.distinct_fields:
+            parts = name.split(LOOKUP_SEP)
+            _, targets, alias, joins, path, _, transform_function = self._setup_joins(
+                parts, opts, None
+            )
+            targets, alias, _ = self.query.trim_joins(targets, joins, path)
+            for target in targets:
+                if name in self.query.annotation_select:
+                    result.append(self.connection.ops.quote_name(name))
+                else:
+                    r, p = self.compile(transform_function(target, alias))
+                    result.append(r)
+                    params.append(p)
+        return result, params
+
+    def find_ordering_name(
+        self, name, opts, alias=None, default_order="ASC", already_seen=None
+    ):
+        """
+        Return the table alias (the name might be ambiguous, the alias will
+        not be) and column name for ordering by the given 'name' parameter.
+        The 'name' is of the form 'field1__field2__...__fieldN'.
+        """
+        name, order = get_order_dir(name, default_order)
+        descending = order == "DESC"
+        pieces = name.split(LOOKUP_SEP)
+        (
+            field,
+            targets,
+            alias,
+            joins,
+            path,
+            opts,
+            transform_function,
+        ) = self._setup_joins(pieces, opts, alias)
+
+        # If we get to this point and the field is a relation to another model,
+        # append the default ordering for that model unless it is the pk
+        # shortcut or the attribute name of the field that is specified or
+        # there are transforms to process.
+        if (
+            field.is_relation
+            and opts.ordering
+            and getattr(field, "attname", None) != pieces[-1]
+            and name != "pk"
+            and not getattr(transform_function, "has_transforms", False)
+        ):
+            # Firstly, avoid infinite loops.
+            already_seen = already_seen or set()
+            join_tuple = tuple(
+                getattr(self.query.alias_map[j], "join_cols", None) for j in joins
+            )
+            if join_tuple in already_seen:
+                raise FieldError("Infinite loop caused by ordering.")
+            already_seen.add(join_tuple)
+
+            results = []
+            for item in opts.ordering:
+                if hasattr(item, "resolve_expression") and not isinstance(
+                    item, OrderBy
+                ):
+                    item = item.desc() if descending else item.asc()
+                if isinstance(item, OrderBy):
+                    results.append(
+                        (item.prefix_references(f"{name}{LOOKUP_SEP}"), False)
+                    )
+                    continue
+                results.extend(
+                    (expr.prefix_references(f"{name}{LOOKUP_SEP}"), is_ref)
+                    for expr, is_ref in self.find_ordering_name(
+                        item, opts, alias, order, already_seen
+                    )
+                )
+            return results
+        targets, alias, _ = self.query.trim_joins(targets, joins, path)
+        return [
+            (OrderBy(transform_function(t, alias), descending=descending), False)
+            for t in targets
+        ]
+
+    def _setup_joins(self, pieces, opts, alias):
+        """
+        Helper method for get_order_by() and get_distinct().
+
+        get_ordering() and get_distinct() must produce same target columns on
+        same input, as the prefixes of get_ordering() and get_distinct() must
+        match. Executing SQL where this is not true is an error.
+        """
+        alias = alias or self.query.get_initial_alias()
+        field, targets, opts, joins, path, transform_function = self.query.setup_joins(
+            pieces, opts, alias
+        )
+        alias = joins[-1]
+        return field, targets, alias, joins, path, opts, transform_function
+
+    def get_from_clause(self):
+        """
+        Return a list of strings that are joined together to go after the
+        "FROM" part of the query, as well as a list any extra parameters that
+        need to be included. Subclasses, can override this to create a
+        from-clause via a "select".
+
+        This should only be called after any SQL construction methods that
+        might change the tables that are needed. This means the select columns,
+        ordering, and distinct must be done first.
+        """
+        result = []
+        params = []
+        for alias in tuple(self.query.alias_map):
+            if not self.query.alias_refcount[alias]:
+                continue
+            try:
+                from_clause = self.query.alias_map[alias]
+            except KeyError:
+                # Extra tables can end up in self.tables, but not in the
+                # alias_map if they aren't in a join. That's OK. We skip them.
+                continue
+            clause_sql, clause_params = self.compile(from_clause)
+            result.append(clause_sql)
+            params.extend(clause_params)
+        for t in self.query.extra_tables:
+            alias, _ = self.query.table_alias(t)
+            # Only add the alias if it's not already present (the table_alias()
+            # call increments the refcount, so an alias refcount of one means
+            # this is the only reference).
+            if (
+                alias not in self.query.alias_map
+                or self.query.alias_refcount[alias] == 1
+            ):
+                result.append(", %s" % self.quote_name_unless_alias(alias))
+        return result, params
+
+    def get_related_selections(
+        self,
+        select,
+        select_mask,
+        opts=None,
+        root_alias=None,
+        cur_depth=1,
+        requested=None,
+        restricted=None,
+    ):
+        """
+        Fill in the information needed for a select_related query. The current
+        depth is measured as the number of connections away from the root model
+        (for example, cur_depth=1 means we are looking at models with direct
+        connections to the root model).
+        """
+
+        def _get_field_choices():
+            direct_choices = (f.name for f in opts.fields if f.is_relation)
+            reverse_choices = (
+                f.field.related_query_name()
+                for f in opts.related_objects
+                if f.field.unique
+            )
+            return chain(
+                direct_choices, reverse_choices, self.query._filtered_relations
+            )
+
+        related_klass_infos = []
+        if not restricted and cur_depth > self.query.max_depth:
+            # We've recursed far enough; bail out.
+            return related_klass_infos
+
+        if not opts:
+            opts = self.query.get_meta()
+            root_alias = self.query.get_initial_alias()
+
+        # Setup for the case when only particular related fields should be
+        # included in the related selection.
+        fields_found = set()
+        if requested is None:
+            restricted = isinstance(self.query.select_related, dict)
+            if restricted:
+                requested = self.query.select_related
+
+        def get_related_klass_infos(klass_info, related_klass_infos):
+            klass_info["related_klass_infos"] = related_klass_infos
+
+        for f in opts.fields:
+            fields_found.add(f.name)
+
+            if restricted:
+                next = requested.get(f.name, {})
+                if not f.is_relation:
+                    # If a non-related field is used like a relation,
+                    # or if a single non-relational field is given.
+                    if next or f.name in requested:
+                        raise FieldError(
+                            "Non-relational field given in select_related: '%s'. "
+                            "Choices are: %s"
+                            % (
+                                f.name,
+                                ", ".join(_get_field_choices()) or "(none)",
+                            )
+                        )
+            else:
+                next = False
+
+            if not select_related_descend(f, restricted, requested, select_mask):
+                continue
+            related_select_mask = select_mask.get(f) or {}
+            klass_info = {
+                "model": f.remote_field.model,
+                "field": f,
+                "reverse": False,
+                "local_setter": f.set_cached_value,
+                "remote_setter": (
+                    f.remote_field.set_cached_value if f.unique else lambda x, y: None
+                ),
+                "from_parent": False,
+            }
+            related_klass_infos.append(klass_info)
+            select_fields = []
+            _, _, _, joins, _, _ = self.query.setup_joins([f.name], opts, root_alias)
+            alias = joins[-1]
+            columns = self.get_default_columns(
+                related_select_mask, start_alias=alias, opts=f.remote_field.model._meta
+            )
+            for col in columns:
+                select_fields.append(len(select))
+                select.append((col, None))
+            klass_info["select_fields"] = select_fields
+            next_klass_infos = self.get_related_selections(
+                select,
+                related_select_mask,
+                f.remote_field.model._meta,
+                alias,
+                cur_depth + 1,
+                next,
+                restricted,
+            )
+            get_related_klass_infos(klass_info, next_klass_infos)
+
+        if restricted:
+            related_fields = [
+                (o.field, o.related_model)
+                for o in opts.related_objects
+                if o.field.unique and not o.many_to_many
+            ]
+            for related_field, model in related_fields:
+                related_select_mask = select_mask.get(related_field) or {}
+                if not select_related_descend(
+                    related_field,
+                    restricted,
+                    requested,
+                    related_select_mask,
+                    reverse=True,
+                ):
+                    continue
+
+                related_field_name = related_field.related_query_name()
+                fields_found.add(related_field_name)
+
+                join_info = self.query.setup_joins(
+                    [related_field_name], opts, root_alias
+                )
+                alias = join_info.joins[-1]
+                from_parent = issubclass(model, opts.model) and model is not opts.model
+                klass_info = {
+                    "model": model,
+                    "field": related_field,
+                    "reverse": True,
+                    "local_setter": related_field.remote_field.set_cached_value,
+                    "remote_setter": related_field.set_cached_value,
+                    "from_parent": from_parent,
+                }
+                related_klass_infos.append(klass_info)
+                select_fields = []
+                columns = self.get_default_columns(
+                    related_select_mask,
+                    start_alias=alias,
+                    opts=model._meta,
+                    from_parent=opts.model,
+                )
+                for col in columns:
+                    select_fields.append(len(select))
+                    select.append((col, None))
+                klass_info["select_fields"] = select_fields
+                next = requested.get(related_field.related_query_name(), {})
+                next_klass_infos = self.get_related_selections(
+                    select,
+                    related_select_mask,
+                    model._meta,
+                    alias,
+                    cur_depth + 1,
+                    next,
+                    restricted,
+                )
+                get_related_klass_infos(klass_info, next_klass_infos)
+
+            def local_setter(final_field, obj, from_obj):
+                # Set a reverse fk object when relation is non-empty.
+                if from_obj:
+                    final_field.remote_field.set_cached_value(from_obj, obj)
+
+            def local_setter_noop(obj, from_obj):
+                pass
+
+            def remote_setter(name, obj, from_obj):
+                setattr(from_obj, name, obj)
+
+            for name in list(requested):
+                # Filtered relations work only on the topmost level.
+                if cur_depth > 1:
+                    break
+                if name in self.query._filtered_relations:
+                    fields_found.add(name)
+                    final_field, _, join_opts, joins, _, _ = self.query.setup_joins(
+                        [name], opts, root_alias
+                    )
+                    model = join_opts.model
+                    alias = joins[-1]
+                    from_parent = (
+                        issubclass(model, opts.model) and model is not opts.model
+                    )
+                    klass_info = {
+                        "model": model,
+                        "field": final_field,
+                        "reverse": True,
+                        "local_setter": (
+                            partial(local_setter, final_field)
+                            if len(joins) <= 2
+                            else local_setter_noop
+                        ),
+                        "remote_setter": partial(remote_setter, name),
+                        "from_parent": from_parent,
+                    }
+                    related_klass_infos.append(klass_info)
+                    select_fields = []
+                    field_select_mask = select_mask.get((name, final_field)) or {}
+                    columns = self.get_default_columns(
+                        field_select_mask,
+                        start_alias=alias,
+                        opts=model._meta,
+                        from_parent=opts.model,
+                    )
+                    for col in columns:
+                        select_fields.append(len(select))
+                        select.append((col, None))
+                    klass_info["select_fields"] = select_fields
+                    next_requested = requested.get(name, {})
+                    next_klass_infos = self.get_related_selections(
+                        select,
+                        field_select_mask,
+                        opts=model._meta,
+                        root_alias=alias,
+                        cur_depth=cur_depth + 1,
+                        requested=next_requested,
+                        restricted=restricted,
+                    )
+                    get_related_klass_infos(klass_info, next_klass_infos)
+            fields_not_found = set(requested).difference(fields_found)
+            if fields_not_found:
+                invalid_fields = ("'%s'" % s for s in fields_not_found)
+                raise FieldError(
+                    "Invalid field name(s) given in select_related: %s. "
+                    "Choices are: %s"
+                    % (
+                        ", ".join(invalid_fields),
+                        ", ".join(_get_field_choices()) or "(none)",
+                    )
+                )
+        return related_klass_infos
+
+    def get_select_for_update_of_arguments(self):
+        """
+        Return a quoted list of arguments for the SELECT FOR UPDATE OF part of
+        the query.
+        """
+
+        def _get_parent_klass_info(klass_info):
+            concrete_model = klass_info["model"]._meta.concrete_model
+            for parent_model, parent_link in concrete_model._meta.parents.items():
+                parent_list = parent_model._meta.get_parent_list()
+                yield {
+                    "model": parent_model,
+                    "field": parent_link,
+                    "reverse": False,
+                    "select_fields": [
+                        select_index
+                        for select_index in klass_info["select_fields"]
+                        # Selected columns from a model or its parents.
+                        if (
+                            self.select[select_index][0].target.model == parent_model
+                            or self.select[select_index][0].target.model in parent_list
+                        )
+                    ],
+                }
+
+        def _get_first_selected_col_from_model(klass_info):
+            """
+            Find the first selected column from a model. If it doesn't exist,
+            don't lock a model.
+
+            select_fields is filled recursively, so it also contains fields
+            from the parent models.
+            """
+            concrete_model = klass_info["model"]._meta.concrete_model
+            for select_index in klass_info["select_fields"]:
+                if self.select[select_index][0].target.model == concrete_model:
+                    return self.select[select_index][0]
+
+        def _get_field_choices():
+            """Yield all allowed field paths in breadth-first search order."""
+            queue = collections.deque([(None, self.klass_info)])
+            while queue:
+                parent_path, klass_info = queue.popleft()
+                if parent_path is None:
+                    path = []
+                    yield "self"
+                else:
+                    field = klass_info["field"]
+                    if klass_info["reverse"]:
+                        field = field.remote_field
+                    path = parent_path + [field.name]
+                    yield LOOKUP_SEP.join(path)
+                queue.extend(
+                    (path, klass_info)
+                    for klass_info in _get_parent_klass_info(klass_info)
+                )
+                queue.extend(
+                    (path, klass_info)
+                    for klass_info in klass_info.get("related_klass_infos", [])
+                )
+
+        if not self.klass_info:
+            return []
+        result = []
+        invalid_names = []
+        for name in self.query.select_for_update_of:
+            klass_info = self.klass_info
+            if name == "self":
+                col = _get_first_selected_col_from_model(klass_info)
+            else:
+                for part in name.split(LOOKUP_SEP):
+                    klass_infos = (
+                        *klass_info.get("related_klass_infos", []),
+                        *_get_parent_klass_info(klass_info),
+                    )
+                    for related_klass_info in klass_infos:
+                        field = related_klass_info["field"]
+                        if related_klass_info["reverse"]:
+                            field = field.remote_field
+                        if field.name == part:
+                            klass_info = related_klass_info
+                            break
+                    else:
+                        klass_info = None
+                        break
+                if klass_info is None:
+                    invalid_names.append(name)
+                    continue
+                col = _get_first_selected_col_from_model(klass_info)
+            if col is not None:
+                if self.connection.features.select_for_update_of_column:
+                    result.append(self.compile(col)[0])
+                else:
+                    result.append(self.quote_name_unless_alias(col.alias))
+        if invalid_names:
+            raise FieldError(
+                "Invalid field name(s) given in select_for_update(of=(...)): %s. "
+                "Only relational fields followed in the query are allowed. "
+                "Choices are: %s."
+                % (
+                    ", ".join(invalid_names),
+                    ", ".join(_get_field_choices()),
+                )
+            )
+        return result
+
+    def get_converters(self, expressions):
+        converters = {}
+        for i, expression in enumerate(expressions):
+            if expression:
+                backend_converters = self.connection.ops.get_db_converters(expression)
+                field_converters = expression.get_db_converters(self.connection)
+                if backend_converters or field_converters:
+                    converters[i] = (backend_converters + field_converters, expression)
+        return converters
+
+    def apply_converters(self, rows, converters):
+        connection = self.connection
+        converters = list(converters.items())
+        for row in map(list, rows):
+            for pos, (convs, expression) in converters:
+                value = row[pos]
+                for converter in convs:
+                    value = converter(value, expression, connection)
+                row[pos] = value
+            yield row
+
+    def results_iter(
+        self,
+        results=None,
+        tuple_expected=False,
+        chunked_fetch=False,
+        chunk_size=GET_ITERATOR_CHUNK_SIZE,
+    ):
+        """Return an iterator over the results from executing this query."""
+        if results is None:
+            results = self.execute_sql(
+                MULTI, chunked_fetch=chunked_fetch, chunk_size=chunk_size
+            )
+        fields = [s[0] for s in self.select[0 : self.col_count]]
+        converters = self.get_converters(fields)
+        rows = chain.from_iterable(results)
+        if converters:
+            rows = self.apply_converters(rows, converters)
+            if tuple_expected:
+                rows = map(tuple, rows)
+        return rows
+
+    def has_results(self):
+        """
+        Backends (e.g. NoSQL) can override this in order to use optimized
+        versions of "query has any results."
+        """
+        return bool(self.execute_sql(SINGLE))
+
+    def execute_sql(
+        self, result_type=MULTI, chunked_fetch=False, chunk_size=GET_ITERATOR_CHUNK_SIZE
+    ):
+        """
+        Run the query against the database and return the result(s). The
+        return value is a single data item if result_type is SINGLE, or an
+        iterator over the results if the result_type is MULTI.
+
+        result_type is either MULTI (use fetchmany() to retrieve all rows),
+        SINGLE (only retrieve a single row), or None. In this last case, the
+        cursor is returned if any query is executed, since it's used by
+        subclasses such as InsertQuery). It's possible, however, that no query
+        is needed, as the filters describe an empty set. In that case, None is
+        returned, to avoid any unnecessary database interaction.
+        """
+        result_type = result_type or NO_RESULTS
+        try:
+            sql, params = self.as_sql()
+            if not sql:
+                raise EmptyResultSet
+        except EmptyResultSet:
+            if result_type == MULTI:
+                return iter([])
+            else:
+                return
+        if chunked_fetch:
+            cursor = self.connection.chunked_cursor()
+        else:
+            cursor = self.connection.cursor()
+        try:
+            cursor.execute(sql, params)
+        except Exception:
+            # Might fail for server-side cursors (e.g. connection closed)
+            cursor.close()
+            raise
+
+        if result_type == CURSOR:
+            # Give the caller the cursor to process and close.
+            return cursor
+        if result_type == SINGLE:
+            try:
+                val = cursor.fetchone()
+                if val:
+                    return val[0 : self.col_count]
+                return val
+            finally:
+                # done with the cursor
+                cursor.close()
+        if result_type == NO_RESULTS:
+            cursor.close()
+            return
+
+        result = cursor_iter(
+            cursor,
+            self.connection.features.empty_fetchmany_value,
+            self.col_count if self.has_extra_select else None,
+            chunk_size,
+        )
+        if not chunked_fetch or not self.connection.features.can_use_chunked_reads:
+            # If we are using non-chunked reads, we return the same data
+            # structure as normally, but ensure it is all read into memory
+            # before going any further. Use chunked_fetch if requested,
+            # unless the database doesn't support it.
+            return list(result)
+        return result
+
+    def as_subquery_condition(self, alias, columns, compiler):
+        qn = compiler.quote_name_unless_alias
+        qn2 = self.connection.ops.quote_name
+
+        for index, select_col in enumerate(self.query.select):
+            lhs_sql, lhs_params = self.compile(select_col)
+            rhs = "%s.%s" % (qn(alias), qn2(columns[index]))
+            self.query.where.add(RawSQL("%s = %s" % (lhs_sql, rhs), lhs_params), AND)
+
+        sql, params = self.as_sql()
+        return "EXISTS (%s)" % sql, params
+
+    def explain_query(self):
+        result = list(self.execute_sql())
+        # Some backends return 1 item tuples with strings, and others return
+        # tuples with integers and strings. Flatten them out into strings.
+        format_ = self.query.explain_info.format
+        output_formatter = json.dumps if format_ and format_.lower() == "json" else str
+        for row in result[0]:
+            if not isinstance(row, str):
+                yield " ".join(output_formatter(c) for c in row)
+            else:
+                yield row
+
+
+class SQLInsertCompiler(SQLCompiler):
+    returning_fields = None
+    returning_params = ()
+
+    def field_as_sql(self, field, val):
+        """
+        Take a field and a value intended to be saved on that field, and
+        return placeholder SQL and accompanying params. Check for raw values,
+        expressions, and fields with get_placeholder() defined in that order.
+
+        When field is None, consider the value raw and use it as the
+        placeholder, with no corresponding parameters returned.
+        """
+        if field is None:
+            # A field value of None means the value is raw.
+            sql, params = val, []
+        elif hasattr(val, "as_sql"):
+            # This is an expression, let's compile it.
+            sql, params = self.compile(val)
+        elif hasattr(field, "get_placeholder"):
+            # Some fields (e.g. geo fields) need special munging before
+            # they can be inserted.
+            sql, params = field.get_placeholder(val, self, self.connection), [val]
+        else:
+            # Return the common case for the placeholder
+            sql, params = "%s", [val]
+
+        # The following hook is only used by Oracle Spatial, which sometimes
+        # needs to yield 'NULL' and [] as its placeholder and params instead
+        # of '%s' and [None]. The 'NULL' placeholder is produced earlier by
+        # OracleOperations.get_geom_placeholder(). The following line removes
+        # the corresponding None parameter. See ticket #10888.
+        params = self.connection.ops.modify_insert_params(sql, params)
+
+        return sql, params
+
+    def prepare_value(self, field, value):
+        """
+        Prepare a value to be used in a query by resolving it if it is an
+        expression and otherwise calling the field's get_db_prep_save().
+        """
+        if hasattr(value, "resolve_expression"):
+            value = value.resolve_expression(
+                self.query, allow_joins=False, for_save=True
+            )
+            # Don't allow values containing Col expressions. They refer to
+            # existing columns on a row, but in the case of insert the row
+            # doesn't exist yet.
+            if value.contains_column_references:
+                raise ValueError(
+                    'Failed to insert expression "%s" on %s. F() expressions '
+                    "can only be used to update, not to insert." % (value, field)
+                )
+            if value.contains_aggregate:
+                raise FieldError(
+                    "Aggregate functions are not allowed in this query "
+                    "(%s=%r)." % (field.name, value)
+                )
+            if value.contains_over_clause:
+                raise FieldError(
+                    "Window expressions are not allowed in this query (%s=%r)."
+                    % (field.name, value)
+                )
+        return field.get_db_prep_save(value, connection=self.connection)
+
+    def pre_save_val(self, field, obj):
+        """
+        Get the given field's value off the given obj. pre_save() is used for
+        things like auto_now on DateTimeField. Skip it if this is a raw query.
+        """
+        if self.query.raw:
+            return getattr(obj, field.attname)
+        return field.pre_save(obj, add=True)
+
+    def assemble_as_sql(self, fields, value_rows):
+        """
+        Take a sequence of N fields and a sequence of M rows of values, and
+        generate placeholder SQL and parameters for each field and value.
+        Return a pair containing:
+         * a sequence of M rows of N SQL placeholder strings, and
+         * a sequence of M rows of corresponding parameter values.
+
+        Each placeholder string may contain any number of '%s' interpolation
+        strings, and each parameter row will contain exactly as many params
+        as the total number of '%s's in the corresponding placeholder row.
+        """
+        if not value_rows:
+            return [], []
+
+        # list of (sql, [params]) tuples for each object to be saved
+        # Shape: [n_objs][n_fields][2]
+        rows_of_fields_as_sql = (
+            (self.field_as_sql(field, v) for field, v in zip(fields, row))
+            for row in value_rows
+        )
+
+        # tuple like ([sqls], [[params]s]) for each object to be saved
+        # Shape: [n_objs][2][n_fields]
+        sql_and_param_pair_rows = (zip(*row) for row in rows_of_fields_as_sql)
+
+        # Extract separate lists for placeholders and params.
+        # Each of these has shape [n_objs][n_fields]
+        placeholder_rows, param_rows = zip(*sql_and_param_pair_rows)
+
+        # Params for each field are still lists, and need to be flattened.
+        param_rows = [[p for ps in row for p in ps] for row in param_rows]
+
+        return placeholder_rows, param_rows
+
+    def as_sql(self):
+        # We don't need quote_name_unless_alias() here, since these are all
+        # going to be column names (so we can avoid the extra overhead).
+        qn = self.connection.ops.quote_name
+        opts = self.query.get_meta()
+        insert_statement = self.connection.ops.insert_statement(
+            on_conflict=self.query.on_conflict,
+        )
+        result = ["%s %s" % (insert_statement, qn(opts.db_table))]
+        fields = self.query.fields or [opts.pk]
+        result.append("(%s)" % ", ".join(qn(f.column) for f in fields))
+
+        if self.query.fields:
+            value_rows = [
+                [
+                    self.prepare_value(field, self.pre_save_val(field, obj))
+                    for field in fields
+                ]
+                for obj in self.query.objs
+            ]
+        else:
+            # An empty object.
+            value_rows = [
+                [self.connection.ops.pk_default_value()] for _ in self.query.objs
+            ]
+            fields = [None]
+
+        # Currently the backends just accept values when generating bulk
+        # queries and generate their own placeholders. Doing that isn't
+        # necessary and it should be possible to use placeholders and
+        # expressions in bulk inserts too.
+        can_bulk = (
+            not self.returning_fields and self.connection.features.has_bulk_insert
+        )
+
+        placeholder_rows, param_rows = self.assemble_as_sql(fields, value_rows)
+
+        on_conflict_suffix_sql = self.connection.ops.on_conflict_suffix_sql(
+            fields,
+            self.query.on_conflict,
+            (f.column for f in self.query.update_fields),
+            (f.column for f in self.query.unique_fields),
+        )
+        if (
+            self.returning_fields
+            and self.connection.features.can_return_columns_from_insert
+        ):
+            if self.connection.features.can_return_rows_from_bulk_insert:
+                result.append(
+                    self.connection.ops.bulk_insert_sql(fields, placeholder_rows)
+                )
+                params = param_rows
+            else:
+                result.append("VALUES (%s)" % ", ".join(placeholder_rows[0]))
+                params = [param_rows[0]]
+            if on_conflict_suffix_sql:
+                result.append(on_conflict_suffix_sql)
+            # Skip empty r_sql to allow subclasses to customize behavior for
+            # 3rd party backends. Refs #19096.
+            r_sql, self.returning_params = self.connection.ops.return_insert_columns(
+                self.returning_fields
+            )
+            if r_sql:
+                result.append(r_sql)
+                params += [self.returning_params]
+            return [(" ".join(result), tuple(chain.from_iterable(params)))]
+
+        if can_bulk:
+            result.append(self.connection.ops.bulk_insert_sql(fields, placeholder_rows))
+            if on_conflict_suffix_sql:
+                result.append(on_conflict_suffix_sql)
+            return [(" ".join(result), tuple(p for ps in param_rows for p in ps))]
+        else:
+            if on_conflict_suffix_sql:
+                result.append(on_conflict_suffix_sql)
+            return [
+                (" ".join(result + ["VALUES (%s)" % ", ".join(p)]), vals)
+                for p, vals in zip(placeholder_rows, param_rows)
+            ]
+
+    def execute_sql(self, returning_fields=None):
+        assert not (
+            returning_fields
+            and len(self.query.objs) != 1
+            and not self.connection.features.can_return_rows_from_bulk_insert
+        )
+        opts = self.query.get_meta()
+        self.returning_fields = returning_fields
+        cols = []
+        with self.connection.cursor() as cursor:
+            for sql, params in self.as_sql():
+                cursor.execute(sql, params)
+            if not self.returning_fields:
+                return []
+            if (
+                self.connection.features.can_return_rows_from_bulk_insert
+                and len(self.query.objs) > 1
+            ):
+                rows = self.connection.ops.fetch_returned_insert_rows(cursor)
+                cols = [field.get_col(opts.db_table) for field in self.returning_fields]
+            elif self.connection.features.can_return_columns_from_insert:
+                assert len(self.query.objs) == 1
+                rows = [
+                    self.connection.ops.fetch_returned_insert_columns(
+                        cursor,
+                        self.returning_params,
+                    )
+                ]
+                cols = [field.get_col(opts.db_table) for field in self.returning_fields]
+            else:
+                cols = [opts.pk.get_col(opts.db_table)]
+                rows = [
+                    (
+                        self.connection.ops.last_insert_id(
+                            cursor,
+                            opts.db_table,
+                            opts.pk.column,
+                        ),
+                    )
+                ]
+        converters = self.get_converters(cols)
+        if converters:
+            rows = list(self.apply_converters(rows, converters))
+        return rows
+
+
+class SQLDeleteCompiler(SQLCompiler):
+    @cached_property
+    def single_alias(self):
+        # Ensure base table is in aliases.
+        self.query.get_initial_alias()
+        return sum(self.query.alias_refcount[t] > 0 for t in self.query.alias_map) == 1
+
+    @classmethod
+    def _expr_refs_base_model(cls, expr, base_model):
+        if isinstance(expr, Query):
+            return expr.model == base_model
+        if not hasattr(expr, "get_source_expressions"):
+            return False
+        return any(
+            cls._expr_refs_base_model(source_expr, base_model)
+            for source_expr in expr.get_source_expressions()
+        )
+
+    @cached_property
+    def contains_self_reference_subquery(self):
+        return any(
+            self._expr_refs_base_model(expr, self.query.model)
+            for expr in chain(
+                self.query.annotations.values(), self.query.where.children
+            )
+        )
+
+    def _as_sql(self, query):
+        delete = "DELETE FROM %s" % self.quote_name_unless_alias(query.base_table)
+        try:
+            where, params = self.compile(query.where)
+        except FullResultSet:
+            return delete, ()
+        return f"{delete} WHERE {where}", tuple(params)
+
+    def as_sql(self):
+        """
+        Create the SQL for this query. Return the SQL string and list of
+        parameters.
+        """
+        if self.single_alias and (
+            self.connection.features.delete_can_self_reference_subquery
+            or not self.contains_self_reference_subquery
+        ):
+            return self._as_sql(self.query)
+        innerq = self.query.clone()
+        innerq.__class__ = Query
+        innerq.clear_select_clause()
+        pk = self.query.model._meta.pk
+        innerq.select = [pk.get_col(self.query.get_initial_alias())]
+        outerq = Query(self.query.model)
+        if not self.connection.features.update_can_self_select:
+            # Force the materialization of the inner query to allow reference
+            # to the target table on MySQL.
+            sql, params = innerq.get_compiler(connection=self.connection).as_sql()
+            innerq = RawSQL("SELECT * FROM (%s) subquery" % sql, params)
+        outerq.add_filter("pk__in", innerq)
+        return self._as_sql(outerq)
+
+
+class SQLUpdateCompiler(SQLCompiler):
+    def as_sql(self):
+        """
+        Create the SQL for this query. Return the SQL string and list of
+        parameters.
+        """
+        self.pre_sql_setup()
+        if not self.query.values:
+            return "", ()
+        qn = self.quote_name_unless_alias
+        values, update_params = [], []
+        for field, model, val in self.query.values:
+            if hasattr(val, "resolve_expression"):
+                val = val.resolve_expression(
+                    self.query, allow_joins=False, for_save=True
+                )
+                if val.contains_aggregate:
+                    raise FieldError(
+                        "Aggregate functions are not allowed in this query "
+                        "(%s=%r)." % (field.name, val)
+                    )
+                if val.contains_over_clause:
+                    raise FieldError(
+                        "Window expressions are not allowed in this query "
+                        "(%s=%r)." % (field.name, val)
+                    )
+            elif hasattr(val, "prepare_database_save"):
+                if field.remote_field:
+                    val = val.prepare_database_save(field)
+                else:
+                    raise TypeError(
+                        "Tried to update field %s with a model instance, %r. "
+                        "Use a value compatible with %s."
+                        % (field, val, field.__class__.__name__)
+                    )
+            val = field.get_db_prep_save(val, connection=self.connection)
+
+            # Getting the placeholder for the field.
+            if hasattr(field, "get_placeholder"):
+                placeholder = field.get_placeholder(val, self, self.connection)
+            else:
+                placeholder = "%s"
+            name = field.column
+            if hasattr(val, "as_sql"):
+                sql, params = self.compile(val)
+                values.append("%s = %s" % (qn(name), placeholder % sql))
+                update_params.extend(params)
+            elif val is not None:
+                values.append("%s = %s" % (qn(name), placeholder))
+                update_params.append(val)
+            else:
+                values.append("%s = NULL" % qn(name))
+        table = self.query.base_table
+        result = [
+            "UPDATE %s SET" % qn(table),
+            ", ".join(values),
+        ]
+        try:
+            where, params = self.compile(self.query.where)
+        except FullResultSet:
+            params = []
+        else:
+            result.append("WHERE %s" % where)
+        return " ".join(result), tuple(update_params + params)
+
+    def execute_sql(self, result_type):
+        """
+        Execute the specified update. Return the number of rows affected by
+        the primary update query. The "primary update query" is the first
+        non-empty query that is executed. Row counts for any subsequent,
+        related queries are not available.
+        """
+        cursor = super().execute_sql(result_type)
+        try:
+            rows = cursor.rowcount if cursor else 0
+            is_empty = cursor is None
+        finally:
+            if cursor:
+                cursor.close()
+        for query in self.query.get_related_updates():
+            aux_rows = query.get_compiler(self.using).execute_sql(result_type)
+            if is_empty and aux_rows:
+                rows = aux_rows
+                is_empty = False
+        return rows
+
+    def pre_sql_setup(self):
+        """
+        If the update depends on results from other tables, munge the "where"
+        conditions to match the format required for (portable) SQL updates.
+
+        If multiple updates are required, pull out the id values to update at
+        this point so that they don't change as a result of the progressive
+        updates.
+        """
+        refcounts_before = self.query.alias_refcount.copy()
+        # Ensure base table is in the query
+        self.query.get_initial_alias()
+        count = self.query.count_active_tables()
+        if not self.query.related_updates and count == 1:
+            return
+        query = self.query.chain(klass=Query)
+        query.select_related = False
+        query.clear_ordering(force=True)
+        query.extra = {}
+        query.select = []
+        meta = query.get_meta()
+        fields = [meta.pk.name]
+        related_ids_index = []
+        for related in self.query.related_updates:
+            if all(
+                path.join_field.primary_key for path in meta.get_path_to_parent(related)
+            ):
+                # If a primary key chain exists to the targeted related update,
+                # then the meta.pk value can be used for it.
+                related_ids_index.append((related, 0))
+            else:
+                # This branch will only be reached when updating a field of an
+                # ancestor that is not part of the primary key chain of a MTI
+                # tree.
+                related_ids_index.append((related, len(fields)))
+                fields.append(related._meta.pk.name)
+        query.add_fields(fields)
+        super().pre_sql_setup()
+
+        must_pre_select = (
+            count > 1 and not self.connection.features.update_can_self_select
+        )
+
+        # Now we adjust the current query: reset the where clause and get rid
+        # of all the tables we don't need (since they're in the sub-select).
+        self.query.clear_where()
+        if self.query.related_updates or must_pre_select:
+            # Either we're using the idents in multiple update queries (so
+            # don't want them to change), or the db backend doesn't support
+            # selecting from the updating table (e.g. MySQL).
+            idents = []
+            related_ids = collections.defaultdict(list)
+            for rows in query.get_compiler(self.using).execute_sql(MULTI):
+                idents.extend(r[0] for r in rows)
+                for parent, index in related_ids_index:
+                    related_ids[parent].extend(r[index] for r in rows)
+            self.query.add_filter("pk__in", idents)
+            self.query.related_ids = related_ids
+        else:
+            # The fast path. Filters and updates in one query.
+            self.query.add_filter("pk__in", query)
+        self.query.reset_refcounts(refcounts_before)
+
+
+class SQLAggregateCompiler(SQLCompiler):
+    def as_sql(self):
+        """
+        Create the SQL for this query. Return the SQL string and list of
+        parameters.
+        """
+        sql, params = [], []
+        for annotation in self.query.annotation_select.values():
+            ann_sql, ann_params = self.compile(annotation)
+            ann_sql, ann_params = annotation.select_format(self, ann_sql, ann_params)
+            sql.append(ann_sql)
+            params.extend(ann_params)
+        self.col_count = len(self.query.annotation_select)
+        sql = ", ".join(sql)
+        params = tuple(params)
+
+        inner_query_sql, inner_query_params = self.query.inner_query.get_compiler(
+            self.using,
+            elide_empty=self.elide_empty,
+        ).as_sql(with_col_aliases=True)
+        sql = "SELECT %s FROM (%s) subquery" % (sql, inner_query_sql)
+        params += inner_query_params
+        return sql, params
+
+
+def cursor_iter(cursor, sentinel, col_count, itersize):
+    """
+    Yield blocks of rows from a cursor and ensure the cursor is closed when
+    done.
+    """
+    try:
+        for rows in iter((lambda: cursor.fetchmany(itersize)), sentinel):
+            yield rows if col_count is None else [r[:col_count] for r in rows]
+    finally:
+        cursor.close()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/constants.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/constants.py
new file mode 100644
index 00000000..fdfb2ea8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/constants.py
@@ -0,0 +1,24 @@
+"""
+Constants specific to the SQL storage portion of the ORM.
+"""
+
+# Size of each "chunk" for get_iterator calls.
+# Larger values are slightly faster at the expense of more storage space.
+GET_ITERATOR_CHUNK_SIZE = 100
+
+# Namedtuples for sql.* internal use.
+
+# How many results to expect from a cursor.execute call
+MULTI = "multi"
+SINGLE = "single"
+CURSOR = "cursor"
+NO_RESULTS = "no results"
+
+ORDER_DIR = {
+    "ASC": ("ASC", "DESC"),
+    "DESC": ("DESC", "ASC"),
+}
+
+# SQL join types.
+INNER = "INNER JOIN"
+LOUTER = "LEFT OUTER JOIN"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/datastructures.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/datastructures.py
new file mode 100644
index 00000000..7c0c14a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/datastructures.py
@@ -0,0 +1,238 @@
+"""
+Useful auxiliary data structures for query construction. Not useful outside
+the SQL domain.
+"""
+
+import warnings
+
+from django.core.exceptions import FullResultSet
+from django.db.models.sql.constants import INNER, LOUTER
+from django.utils.deprecation import RemovedInDjango60Warning
+
+
+class MultiJoin(Exception):
+    """
+    Used by join construction code to indicate the point at which a
+    multi-valued join was attempted (if the caller wants to treat that
+    exceptionally).
+    """
+
+    def __init__(self, names_pos, path_with_names):
+        self.level = names_pos
+        # The path travelled, this includes the path to the multijoin.
+        self.names_with_path = path_with_names
+
+
+class Empty:
+    pass
+
+
+class Join:
+    """
+    Used by sql.Query and sql.SQLCompiler to generate JOIN clauses into the
+    FROM entry. For example, the SQL generated could be
+        LEFT OUTER JOIN "sometable" T1
+        ON ("othertable"."sometable_id" = "sometable"."id")
+
+    This class is primarily used in Query.alias_map. All entries in alias_map
+    must be Join compatible by providing the following attributes and methods:
+        - table_name (string)
+        - table_alias (possible alias for the table, can be None)
+        - join_type (can be None for those entries that aren't joined from
+          anything)
+        - parent_alias (which table is this join's parent, can be None similarly
+          to join_type)
+        - as_sql()
+        - relabeled_clone()
+    """
+
+    def __init__(
+        self,
+        table_name,
+        parent_alias,
+        table_alias,
+        join_type,
+        join_field,
+        nullable,
+        filtered_relation=None,
+    ):
+        # Join table
+        self.table_name = table_name
+        self.parent_alias = parent_alias
+        # Note: table_alias is not necessarily known at instantiation time.
+        self.table_alias = table_alias
+        # LOUTER or INNER
+        self.join_type = join_type
+        # A list of 2-tuples to use in the ON clause of the JOIN.
+        # Each 2-tuple will create one join condition in the ON clause.
+        if hasattr(join_field, "get_joining_fields"):
+            self.join_fields = join_field.get_joining_fields()
+            self.join_cols = tuple(
+                (lhs_field.column, rhs_field.column)
+                for lhs_field, rhs_field in self.join_fields
+            )
+        else:
+            warnings.warn(
+                "The usage of get_joining_columns() in Join is deprecated. Implement "
+                "get_joining_fields() instead.",
+                RemovedInDjango60Warning,
+            )
+            self.join_fields = None
+            self.join_cols = join_field.get_joining_columns()
+        # Along which field (or ForeignObjectRel in the reverse join case)
+        self.join_field = join_field
+        # Is this join nullabled?
+        self.nullable = nullable
+        self.filtered_relation = filtered_relation
+
+    def as_sql(self, compiler, connection):
+        """
+        Generate the full
+           LEFT OUTER JOIN sometable ON sometable.somecol = othertable.othercol, params
+        clause for this join.
+        """
+        join_conditions = []
+        params = []
+        qn = compiler.quote_name_unless_alias
+        qn2 = connection.ops.quote_name
+        # Add a join condition for each pair of joining columns.
+        # RemovedInDjango60Warning: when the depraction ends, replace with:
+        # for lhs, rhs in self.join_field:
+        join_fields = self.join_fields or self.join_cols
+        for lhs, rhs in join_fields:
+            if isinstance(lhs, str):
+                # RemovedInDjango60Warning: when the depraction ends, remove
+                # the branch for strings.
+                lhs_full_name = "%s.%s" % (qn(self.parent_alias), qn2(lhs))
+                rhs_full_name = "%s.%s" % (qn(self.table_alias), qn2(rhs))
+            else:
+                lhs, rhs = connection.ops.prepare_join_on_clause(
+                    self.parent_alias, lhs, self.table_alias, rhs
+                )
+                lhs_sql, lhs_params = compiler.compile(lhs)
+                lhs_full_name = lhs_sql % lhs_params
+                rhs_sql, rhs_params = compiler.compile(rhs)
+                rhs_full_name = rhs_sql % rhs_params
+            join_conditions.append(f"{lhs_full_name} = {rhs_full_name}")
+
+        # Add a single condition inside parentheses for whatever
+        # get_extra_restriction() returns.
+        extra_cond = self.join_field.get_extra_restriction(
+            self.table_alias, self.parent_alias
+        )
+        if extra_cond:
+            extra_sql, extra_params = compiler.compile(extra_cond)
+            join_conditions.append("(%s)" % extra_sql)
+            params.extend(extra_params)
+        if self.filtered_relation:
+            try:
+                extra_sql, extra_params = compiler.compile(self.filtered_relation)
+            except FullResultSet:
+                pass
+            else:
+                join_conditions.append("(%s)" % extra_sql)
+                params.extend(extra_params)
+        if not join_conditions:
+            # This might be a rel on the other end of an actual declared field.
+            declared_field = getattr(self.join_field, "field", self.join_field)
+            raise ValueError(
+                "Join generated an empty ON clause. %s did not yield either "
+                "joining columns or extra restrictions." % declared_field.__class__
+            )
+        on_clause_sql = " AND ".join(join_conditions)
+        alias_str = (
+            "" if self.table_alias == self.table_name else (" %s" % self.table_alias)
+        )
+        sql = "%s %s%s ON (%s)" % (
+            self.join_type,
+            qn(self.table_name),
+            alias_str,
+            on_clause_sql,
+        )
+        return sql, params
+
+    def relabeled_clone(self, change_map):
+        new_parent_alias = change_map.get(self.parent_alias, self.parent_alias)
+        new_table_alias = change_map.get(self.table_alias, self.table_alias)
+        if self.filtered_relation is not None:
+            filtered_relation = self.filtered_relation.relabeled_clone(change_map)
+        else:
+            filtered_relation = None
+        return self.__class__(
+            self.table_name,
+            new_parent_alias,
+            new_table_alias,
+            self.join_type,
+            self.join_field,
+            self.nullable,
+            filtered_relation=filtered_relation,
+        )
+
+    @property
+    def identity(self):
+        return (
+            self.__class__,
+            self.table_name,
+            self.parent_alias,
+            self.join_field,
+            self.filtered_relation,
+        )
+
+    def __eq__(self, other):
+        if not isinstance(other, Join):
+            return NotImplemented
+        return self.identity == other.identity
+
+    def __hash__(self):
+        return hash(self.identity)
+
+    def demote(self):
+        new = self.relabeled_clone({})
+        new.join_type = INNER
+        return new
+
+    def promote(self):
+        new = self.relabeled_clone({})
+        new.join_type = LOUTER
+        return new
+
+
+class BaseTable:
+    """
+    The BaseTable class is used for base table references in FROM clause. For
+    example, the SQL "foo" in
+        SELECT * FROM "foo" WHERE somecond
+    could be generated by this class.
+    """
+
+    join_type = None
+    parent_alias = None
+    filtered_relation = None
+
+    def __init__(self, table_name, alias):
+        self.table_name = table_name
+        self.table_alias = alias
+
+    def as_sql(self, compiler, connection):
+        alias_str = (
+            "" if self.table_alias == self.table_name else (" %s" % self.table_alias)
+        )
+        base_sql = compiler.quote_name_unless_alias(self.table_name)
+        return base_sql + alias_str, []
+
+    def relabeled_clone(self, change_map):
+        return self.__class__(
+            self.table_name, change_map.get(self.table_alias, self.table_alias)
+        )
+
+    @property
+    def identity(self):
+        return self.__class__, self.table_name, self.table_alias
+
+    def __eq__(self, other):
+        if not isinstance(other, BaseTable):
+            return NotImplemented
+        return self.identity == other.identity
+
+    def __hash__(self):
+        return hash(self.identity)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/query.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/query.py
new file mode 100644
index 00000000..277e8a18
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/query.py
@@ -0,0 +1,2737 @@
+"""
+Create SQL statements for QuerySets.
+
+The code in here encapsulates all of the SQL construction so that QuerySets
+themselves do not have to (and could be backed by things other than SQL
+databases). The abstraction barrier only works one way: this module has to know
+all about the internals of models in order to get the information it needs.
+"""
+
+import copy
+import difflib
+import functools
+import sys
+from collections import Counter, namedtuple
+from collections.abc import Iterator, Mapping
+from itertools import chain, count, product
+from string import ascii_uppercase
+
+from django.core.exceptions import FieldDoesNotExist, FieldError
+from django.db import DEFAULT_DB_ALIAS, NotSupportedError, connections
+from django.db.models.aggregates import Count
+from django.db.models.constants import LOOKUP_SEP
+from django.db.models.expressions import (
+    BaseExpression,
+    Col,
+    Exists,
+    F,
+    OuterRef,
+    Ref,
+    ResolvedOuterRef,
+    Value,
+)
+from django.db.models.fields import Field
+from django.db.models.fields.related_lookups import MultiColSource
+from django.db.models.lookups import Lookup
+from django.db.models.query_utils import (
+    Q,
+    check_rel_lookup_compatibility,
+    refs_expression,
+)
+from django.db.models.sql.constants import INNER, LOUTER, ORDER_DIR, SINGLE
+from django.db.models.sql.datastructures import BaseTable, Empty, Join, MultiJoin
+from django.db.models.sql.where import AND, OR, ExtraWhere, NothingNode, WhereNode
+from django.utils.functional import cached_property
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.tree import Node
+
+__all__ = ["Query", "RawQuery"]
+
+# Quotation marks ('"`[]), whitespace characters, semicolons, or inline
+# SQL comments are forbidden in column aliases.
+FORBIDDEN_ALIAS_PATTERN = _lazy_re_compile(r"['`\"\]\[;\s]|--|/\*|\*/")
+
+# Inspired from
+# https://www.postgresql.org/docs/current/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS
+EXPLAIN_OPTIONS_PATTERN = _lazy_re_compile(r"[\w-]+")
+
+
+def get_field_names_from_opts(opts):
+    if opts is None:
+        return set()
+    return set(
+        chain.from_iterable(
+            (f.name, f.attname) if f.concrete else (f.name,) for f in opts.get_fields()
+        )
+    )
+
+
+def get_paths_from_expression(expr):
+    if isinstance(expr, F):
+        yield expr.name
+    elif hasattr(expr, "flatten"):
+        for child in expr.flatten():
+            if isinstance(child, F):
+                yield child.name
+            elif isinstance(child, Q):
+                yield from get_children_from_q(child)
+
+
+def get_children_from_q(q):
+    for child in q.children:
+        if isinstance(child, Node):
+            yield from get_children_from_q(child)
+        elif isinstance(child, tuple):
+            lhs, rhs = child
+            yield lhs
+            if hasattr(rhs, "resolve_expression"):
+                yield from get_paths_from_expression(rhs)
+        elif hasattr(child, "resolve_expression"):
+            yield from get_paths_from_expression(child)
+
+
+def get_child_with_renamed_prefix(prefix, replacement, child):
+    from django.db.models.query import QuerySet
+
+    if isinstance(child, Node):
+        return rename_prefix_from_q(prefix, replacement, child)
+    if isinstance(child, tuple):
+        lhs, rhs = child
+        if lhs.startswith(prefix + LOOKUP_SEP):
+            lhs = lhs.replace(prefix, replacement, 1)
+        if not isinstance(rhs, F) and hasattr(rhs, "resolve_expression"):
+            rhs = get_child_with_renamed_prefix(prefix, replacement, rhs)
+        return lhs, rhs
+
+    if isinstance(child, F):
+        child = child.copy()
+        if child.name.startswith(prefix + LOOKUP_SEP):
+            child.name = child.name.replace(prefix, replacement, 1)
+    elif isinstance(child, QuerySet):
+        # QuerySet may contain OuterRef() references which cannot work properly
+        # without repointing to the filtered annotation and will spawn a
+        # different JOIN. Always raise ValueError instead of providing partial
+        # support in other cases.
+        raise ValueError(
+            "Passing a QuerySet within a FilteredRelation is not supported."
+        )
+    elif hasattr(child, "resolve_expression"):
+        child = child.copy()
+        child.set_source_expressions(
+            [
+                get_child_with_renamed_prefix(prefix, replacement, grand_child)
+                for grand_child in child.get_source_expressions()
+            ]
+        )
+    return child
+
+
+def rename_prefix_from_q(prefix, replacement, q):
+    return Q.create(
+        [get_child_with_renamed_prefix(prefix, replacement, c) for c in q.children],
+        q.connector,
+        q.negated,
+    )
+
+
+JoinInfo = namedtuple(
+    "JoinInfo",
+    ("final_field", "targets", "opts", "joins", "path", "transform_function"),
+)
+
+
+class RawQuery:
+    """A single raw SQL query."""
+
+    def __init__(self, sql, using, params=()):
+        self.params = params
+        self.sql = sql
+        self.using = using
+        self.cursor = None
+
+        # Mirror some properties of a normal query so that
+        # the compiler can be used to process results.
+        self.low_mark, self.high_mark = 0, None  # Used for offset/limit
+        self.extra_select = {}
+        self.annotation_select = {}
+
+    def chain(self, using):
+        return self.clone(using)
+
+    def clone(self, using):
+        return RawQuery(self.sql, using, params=self.params)
+
+    def get_columns(self):
+        if self.cursor is None:
+            self._execute_query()
+        converter = connections[self.using].introspection.identifier_converter
+        return [converter(column_meta[0]) for column_meta in self.cursor.description]
+
+    def __iter__(self):
+        # Always execute a new query for a new iterator.
+        # This could be optimized with a cache at the expense of RAM.
+        self._execute_query()
+        if not connections[self.using].features.can_use_chunked_reads:
+            # If the database can't use chunked reads we need to make sure we
+            # evaluate the entire query up front.
+            result = list(self.cursor)
+        else:
+            result = self.cursor
+        return iter(result)
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self)
+
+    @property
+    def params_type(self):
+        if self.params is None:
+            return None
+        return dict if isinstance(self.params, Mapping) else tuple
+
+    def __str__(self):
+        if self.params_type is None:
+            return self.sql
+        return self.sql % self.params_type(self.params)
+
+    def _execute_query(self):
+        connection = connections[self.using]
+
+        # Adapt parameters to the database, as much as possible considering
+        # that the target type isn't known. See #17755.
+        params_type = self.params_type
+        adapter = connection.ops.adapt_unknown_value
+        if params_type is tuple:
+            params = tuple(adapter(val) for val in self.params)
+        elif params_type is dict:
+            params = {key: adapter(val) for key, val in self.params.items()}
+        elif params_type is None:
+            params = None
+        else:
+            raise RuntimeError("Unexpected params type: %s" % params_type)
+
+        self.cursor = connection.cursor()
+        self.cursor.execute(self.sql, params)
+
+
+ExplainInfo = namedtuple("ExplainInfo", ("format", "options"))
+
+
+class Query(BaseExpression):
+    """A single SQL query."""
+
+    alias_prefix = "T"
+    empty_result_set_value = None
+    subq_aliases = frozenset([alias_prefix])
+
+    compiler = "SQLCompiler"
+
+    base_table_class = BaseTable
+    join_class = Join
+
+    default_cols = True
+    default_ordering = True
+    standard_ordering = True
+
+    filter_is_sticky = False
+    subquery = False
+
+    # SQL-related attributes.
+    # Select and related select clauses are expressions to use in the SELECT
+    # clause of the query. The select is used for cases where we want to set up
+    # the select clause to contain other than default fields (values(),
+    # subqueries...). Note that annotations go to annotations dictionary.
+    select = ()
+    # The group_by attribute can have one of the following forms:
+    #  - None: no group by at all in the query
+    #  - A tuple of expressions: group by (at least) those expressions.
+    #    String refs are also allowed for now.
+    #  - True: group by all select fields of the model
+    # See compiler.get_group_by() for details.
+    group_by = None
+    order_by = ()
+    low_mark = 0  # Used for offset/limit.
+    high_mark = None  # Used for offset/limit.
+    distinct = False
+    distinct_fields = ()
+    select_for_update = False
+    select_for_update_nowait = False
+    select_for_update_skip_locked = False
+    select_for_update_of = ()
+    select_for_no_key_update = False
+    select_related = False
+    has_select_fields = False
+    # Arbitrary limit for select_related to prevents infinite recursion.
+    max_depth = 5
+    # Holds the selects defined by a call to values() or values_list()
+    # excluding annotation_select and extra_select.
+    values_select = ()
+
+    # SQL annotation-related attributes.
+    annotation_select_mask = None
+    _annotation_select_cache = None
+
+    # Set combination attributes.
+    combinator = None
+    combinator_all = False
+    combined_queries = ()
+
+    # These are for extensions. The contents are more or less appended verbatim
+    # to the appropriate clause.
+    extra_select_mask = None
+    _extra_select_cache = None
+
+    extra_tables = ()
+    extra_order_by = ()
+
+    # A tuple that is a set of model field names and either True, if these are
+    # the fields to defer, or False if these are the only fields to load.
+    deferred_loading = (frozenset(), True)
+
+    explain_info = None
+
+    def __init__(self, model, alias_cols=True):
+        self.model = model
+        self.alias_refcount = {}
+        # alias_map is the most important data structure regarding joins.
+        # It's used for recording which joins exist in the query and what
+        # types they are. The key is the alias of the joined table (possibly
+        # the table name) and the value is a Join-like object (see
+        # sql.datastructures.Join for more information).
+        self.alias_map = {}
+        # Whether to provide alias to columns during reference resolving.
+        self.alias_cols = alias_cols
+        # Sometimes the query contains references to aliases in outer queries (as
+        # a result of split_exclude). Correct alias quoting needs to know these
+        # aliases too.
+        # Map external tables to whether they are aliased.
+        self.external_aliases = {}
+        self.table_map = {}  # Maps table names to list of aliases.
+        self.used_aliases = set()
+
+        self.where = WhereNode()
+        # Maps alias -> Annotation Expression.
+        self.annotations = {}
+        # These are for extensions. The contents are more or less appended
+        # verbatim to the appropriate clause.
+        self.extra = {}  # Maps col_alias -> (col_sql, params).
+
+        self._filtered_relations = {}
+
+    @property
+    def output_field(self):
+        if len(self.select) == 1:
+            select = self.select[0]
+            return getattr(select, "target", None) or select.field
+        elif len(self.annotation_select) == 1:
+            return next(iter(self.annotation_select.values())).output_field
+
+    @cached_property
+    def base_table(self):
+        for alias in self.alias_map:
+            return alias
+
+    def __str__(self):
+        """
+        Return the query as a string of SQL with the parameter values
+        substituted in (use sql_with_params() to see the unsubstituted string).
+
+        Parameter values won't necessarily be quoted correctly, since that is
+        done by the database interface at execution time.
+        """
+        sql, params = self.sql_with_params()
+        return sql % params
+
+    def sql_with_params(self):
+        """
+        Return the query as an SQL string and the parameters that will be
+        substituted into the query.
+        """
+        return self.get_compiler(DEFAULT_DB_ALIAS).as_sql()
+
+    def __deepcopy__(self, memo):
+        """Limit the amount of work when a Query is deepcopied."""
+        result = self.clone()
+        memo[id(self)] = result
+        return result
+
+    def get_compiler(self, using=None, connection=None, elide_empty=True):
+        if using is None and connection is None:
+            raise ValueError("Need either using or connection")
+        if using:
+            connection = connections[using]
+        return connection.ops.compiler(self.compiler)(
+            self, connection, using, elide_empty
+        )
+
+    def get_meta(self):
+        """
+        Return the Options instance (the model._meta) from which to start
+        processing. Normally, this is self.model._meta, but it can be changed
+        by subclasses.
+        """
+        if self.model:
+            return self.model._meta
+
+    def clone(self):
+        """
+        Return a copy of the current Query. A lightweight alternative to
+        deepcopy().
+        """
+        obj = Empty()
+        obj.__class__ = self.__class__
+        # Copy references to everything.
+        obj.__dict__ = self.__dict__.copy()
+        # Clone attributes that can't use shallow copy.
+        obj.alias_refcount = self.alias_refcount.copy()
+        obj.alias_map = self.alias_map.copy()
+        obj.external_aliases = self.external_aliases.copy()
+        obj.table_map = self.table_map.copy()
+        obj.where = self.where.clone()
+        obj.annotations = self.annotations.copy()
+        if self.annotation_select_mask is not None:
+            obj.annotation_select_mask = self.annotation_select_mask.copy()
+        if self.combined_queries:
+            obj.combined_queries = tuple(
+                [query.clone() for query in self.combined_queries]
+            )
+        # _annotation_select_cache cannot be copied, as doing so breaks the
+        # (necessary) state in which both annotations and
+        # _annotation_select_cache point to the same underlying objects.
+        # It will get re-populated in the cloned queryset the next time it's
+        # used.
+        obj._annotation_select_cache = None
+        obj.extra = self.extra.copy()
+        if self.extra_select_mask is not None:
+            obj.extra_select_mask = self.extra_select_mask.copy()
+        if self._extra_select_cache is not None:
+            obj._extra_select_cache = self._extra_select_cache.copy()
+        if self.select_related is not False:
+            # Use deepcopy because select_related stores fields in nested
+            # dicts.
+            obj.select_related = copy.deepcopy(obj.select_related)
+        if "subq_aliases" in self.__dict__:
+            obj.subq_aliases = self.subq_aliases.copy()
+        obj.used_aliases = self.used_aliases.copy()
+        obj._filtered_relations = self._filtered_relations.copy()
+        # Clear the cached_property, if it exists.
+        obj.__dict__.pop("base_table", None)
+        return obj
+
+    def chain(self, klass=None):
+        """
+        Return a copy of the current Query that's ready for another operation.
+        The klass argument changes the type of the Query, e.g. UpdateQuery.
+        """
+        obj = self.clone()
+        if klass and obj.__class__ != klass:
+            obj.__class__ = klass
+        if not obj.filter_is_sticky:
+            obj.used_aliases = set()
+        obj.filter_is_sticky = False
+        if hasattr(obj, "_setup_query"):
+            obj._setup_query()
+        return obj
+
+    def relabeled_clone(self, change_map):
+        clone = self.clone()
+        clone.change_aliases(change_map)
+        return clone
+
+    def _get_col(self, target, field, alias):
+        if not self.alias_cols:
+            alias = None
+        return target.get_col(alias, field)
+
+    def get_aggregation(self, using, aggregate_exprs):
+        """
+        Return the dictionary with the values of the existing aggregations.
+        """
+        if not aggregate_exprs:
+            return {}
+        # Store annotation mask prior to temporarily adding aggregations for
+        # resolving purpose to facilitate their subsequent removal.
+        refs_subquery = False
+        refs_window = False
+        replacements = {}
+        annotation_select_mask = self.annotation_select_mask
+        for alias, aggregate_expr in aggregate_exprs.items():
+            self.check_alias(alias)
+            aggregate = aggregate_expr.resolve_expression(
+                self, allow_joins=True, reuse=None, summarize=True
+            )
+            if not aggregate.contains_aggregate:
+                raise TypeError("%s is not an aggregate expression" % alias)
+            # Temporarily add aggregate to annotations to allow remaining
+            # members of `aggregates` to resolve against each others.
+            self.append_annotation_mask([alias])
+            refs_subquery |= any(
+                getattr(self.annotations[ref], "contains_subquery", False)
+                for ref in aggregate.get_refs()
+            )
+            refs_window |= any(
+                getattr(self.annotations[ref], "contains_over_clause", True)
+                for ref in aggregate.get_refs()
+            )
+            aggregate = aggregate.replace_expressions(replacements)
+            self.annotations[alias] = aggregate
+            replacements[Ref(alias, aggregate)] = aggregate
+        # Stash resolved aggregates now that they have been allowed to resolve
+        # against each other.
+        aggregates = {alias: self.annotations.pop(alias) for alias in aggregate_exprs}
+        self.set_annotation_mask(annotation_select_mask)
+        # Existing usage of aggregation can be determined by the presence of
+        # selected aggregates but also by filters against aliased aggregates.
+        _, having, qualify = self.where.split_having_qualify()
+        has_existing_aggregation = (
+            any(
+                getattr(annotation, "contains_aggregate", True)
+                for annotation in self.annotations.values()
+            )
+            or having
+        )
+        # Decide if we need to use a subquery.
+        #
+        # Existing aggregations would cause incorrect results as
+        # get_aggregation() must produce just one result and thus must not use
+        # GROUP BY.
+        #
+        # If the query has limit or distinct, or uses set operations, then
+        # those operations must be done in a subquery so that the query
+        # aggregates on the limit and/or distinct results instead of applying
+        # the distinct and limit after the aggregation.
+        if (
+            isinstance(self.group_by, tuple)
+            or self.is_sliced
+            or has_existing_aggregation
+            or refs_subquery
+            or refs_window
+            or qualify
+            or self.distinct
+            or self.combinator
+        ):
+            from django.db.models.sql.subqueries import AggregateQuery
+
+            inner_query = self.clone()
+            inner_query.subquery = True
+            outer_query = AggregateQuery(self.model, inner_query)
+            inner_query.select_for_update = False
+            inner_query.select_related = False
+            inner_query.set_annotation_mask(self.annotation_select)
+            # Queries with distinct_fields need ordering and when a limit is
+            # applied we must take the slice from the ordered query. Otherwise
+            # no need for ordering.
+            inner_query.clear_ordering(force=False)
+            if not inner_query.distinct:
+                # If the inner query uses default select and it has some
+                # aggregate annotations, then we must make sure the inner
+                # query is grouped by the main model's primary key. However,
+                # clearing the select clause can alter results if distinct is
+                # used.
+                if inner_query.default_cols and has_existing_aggregation:
+                    inner_query.group_by = (
+                        self.model._meta.pk.get_col(inner_query.get_initial_alias()),
+                    )
+                inner_query.default_cols = False
+                if not qualify:
+                    # Mask existing annotations that are not referenced by
+                    # aggregates to be pushed to the outer query unless
+                    # filtering against window functions is involved as it
+                    # requires complex realising.
+                    annotation_mask = set()
+                    if isinstance(self.group_by, tuple):
+                        for expr in self.group_by:
+                            annotation_mask |= expr.get_refs()
+                    for aggregate in aggregates.values():
+                        annotation_mask |= aggregate.get_refs()
+                    # Avoid eliding expressions that might have an incidence on
+                    # the implicit grouping logic.
+                    for annotation_alias, annotation in self.annotation_select.items():
+                        if annotation.get_group_by_cols():
+                            annotation_mask.add(annotation_alias)
+                    inner_query.set_annotation_mask(annotation_mask)
+
+            # Add aggregates to the outer AggregateQuery. This requires making
+            # sure all columns referenced by the aggregates are selected in the
+            # inner query. It is achieved by retrieving all column references
+            # by the aggregates, explicitly selecting them in the inner query,
+            # and making sure the aggregates are repointed to them.
+            col_refs = {}
+            for alias, aggregate in aggregates.items():
+                replacements = {}
+                for col in self._gen_cols([aggregate], resolve_refs=False):
+                    if not (col_ref := col_refs.get(col)):
+                        index = len(col_refs) + 1
+                        col_alias = f"__col{index}"
+                        col_ref = Ref(col_alias, col)
+                        col_refs[col] = col_ref
+                        inner_query.annotations[col_alias] = col
+                        inner_query.append_annotation_mask([col_alias])
+                    replacements[col] = col_ref
+                outer_query.annotations[alias] = aggregate.replace_expressions(
+                    replacements
+                )
+            if (
+                inner_query.select == ()
+                and not inner_query.default_cols
+                and not inner_query.annotation_select_mask
+            ):
+                # In case of Model.objects[0:3].count(), there would be no
+                # field selected in the inner query, yet we must use a subquery.
+                # So, make sure at least one field is selected.
+                inner_query.select = (
+                    self.model._meta.pk.get_col(inner_query.get_initial_alias()),
+                )
+        else:
+            outer_query = self
+            self.select = ()
+            self.default_cols = False
+            self.extra = {}
+            if self.annotations:
+                # Inline reference to existing annotations and mask them as
+                # they are unnecessary given only the summarized aggregations
+                # are requested.
+                replacements = {
+                    Ref(alias, annotation): annotation
+                    for alias, annotation in self.annotations.items()
+                }
+                self.annotations = {
+                    alias: aggregate.replace_expressions(replacements)
+                    for alias, aggregate in aggregates.items()
+                }
+            else:
+                self.annotations = aggregates
+            self.set_annotation_mask(aggregates)
+
+        empty_set_result = [
+            expression.empty_result_set_value
+            for expression in outer_query.annotation_select.values()
+        ]
+        elide_empty = not any(result is NotImplemented for result in empty_set_result)
+        outer_query.clear_ordering(force=True)
+        outer_query.clear_limits()
+        outer_query.select_for_update = False
+        outer_query.select_related = False
+        compiler = outer_query.get_compiler(using, elide_empty=elide_empty)
+        result = compiler.execute_sql(SINGLE)
+        if result is None:
+            result = empty_set_result
+        else:
+            converters = compiler.get_converters(outer_query.annotation_select.values())
+            result = next(compiler.apply_converters((result,), converters))
+
+        return dict(zip(outer_query.annotation_select, result))
+
+    def get_count(self, using):
+        """
+        Perform a COUNT() query using the current filter constraints.
+        """
+        obj = self.clone()
+        return obj.get_aggregation(using, {"__count": Count("*")})["__count"]
+
+    def has_filters(self):
+        return self.where
+
+    def exists(self, limit=True):
+        q = self.clone()
+        if not (q.distinct and q.is_sliced):
+            if q.group_by is True:
+                q.add_fields(
+                    (f.attname for f in self.model._meta.concrete_fields), False
+                )
+                # Disable GROUP BY aliases to avoid orphaning references to the
+                # SELECT clause which is about to be cleared.
+                q.set_group_by(allow_aliases=False)
+            q.clear_select_clause()
+        if q.combined_queries and q.combinator == "union":
+            q.combined_queries = tuple(
+                combined_query.exists(limit=False)
+                for combined_query in q.combined_queries
+            )
+        q.clear_ordering(force=True)
+        if limit:
+            q.set_limits(high=1)
+        q.add_annotation(Value(1), "a")
+        return q
+
+    def has_results(self, using):
+        q = self.exists(using)
+        compiler = q.get_compiler(using=using)
+        return compiler.has_results()
+
+    def explain(self, using, format=None, **options):
+        q = self.clone()
+        for option_name in options:
+            if (
+                not EXPLAIN_OPTIONS_PATTERN.fullmatch(option_name)
+                or "--" in option_name
+            ):
+                raise ValueError(f"Invalid option name: {option_name!r}.")
+        q.explain_info = ExplainInfo(format, options)
+        compiler = q.get_compiler(using=using)
+        return "\n".join(compiler.explain_query())
+
+    def combine(self, rhs, connector):
+        """
+        Merge the 'rhs' query into the current one (with any 'rhs' effects
+        being applied *after* (that is, "to the right of") anything in the
+        current query. 'rhs' is not modified during a call to this function.
+
+        The 'connector' parameter describes how to connect filters from the
+        'rhs' query.
+        """
+        if self.model != rhs.model:
+            raise TypeError("Cannot combine queries on two different base models.")
+        if self.is_sliced:
+            raise TypeError("Cannot combine queries once a slice has been taken.")
+        if self.distinct != rhs.distinct:
+            raise TypeError("Cannot combine a unique query with a non-unique query.")
+        if self.distinct_fields != rhs.distinct_fields:
+            raise TypeError("Cannot combine queries with different distinct fields.")
+
+        # If lhs and rhs shares the same alias prefix, it is possible to have
+        # conflicting alias changes like T4 -> T5, T5 -> T6, which might end up
+        # as T4 -> T6 while combining two querysets. To prevent this, change an
+        # alias prefix of the rhs and update current aliases accordingly,
+        # except if the alias is the base table since it must be present in the
+        # query on both sides.
+        initial_alias = self.get_initial_alias()
+        rhs.bump_prefix(self, exclude={initial_alias})
+
+        # Work out how to relabel the rhs aliases, if necessary.
+        change_map = {}
+        conjunction = connector == AND
+
+        # Determine which existing joins can be reused. When combining the
+        # query with AND we must recreate all joins for m2m filters. When
+        # combining with OR we can reuse joins. The reason is that in AND
+        # case a single row can't fulfill a condition like:
+        #     revrel__col=1 & revrel__col=2
+        # But, there might be two different related rows matching this
+        # condition. In OR case a single True is enough, so single row is
+        # enough, too.
+        #
+        # Note that we will be creating duplicate joins for non-m2m joins in
+        # the AND case. The results will be correct but this creates too many
+        # joins. This is something that could be fixed later on.
+        reuse = set() if conjunction else set(self.alias_map)
+        joinpromoter = JoinPromoter(connector, 2, False)
+        joinpromoter.add_votes(
+            j for j in self.alias_map if self.alias_map[j].join_type == INNER
+        )
+        rhs_votes = set()
+        # Now, add the joins from rhs query into the new query (skipping base
+        # table).
+        rhs_tables = list(rhs.alias_map)[1:]
+        for alias in rhs_tables:
+            join = rhs.alias_map[alias]
+            # If the left side of the join was already relabeled, use the
+            # updated alias.
+            join = join.relabeled_clone(change_map)
+            new_alias = self.join(join, reuse=reuse)
+            if join.join_type == INNER:
+                rhs_votes.add(new_alias)
+            # We can't reuse the same join again in the query. If we have two
+            # distinct joins for the same connection in rhs query, then the
+            # combined query must have two joins, too.
+            reuse.discard(new_alias)
+            if alias != new_alias:
+                change_map[alias] = new_alias
+            if not rhs.alias_refcount[alias]:
+                # The alias was unused in the rhs query. Unref it so that it
+                # will be unused in the new query, too. We have to add and
+                # unref the alias so that join promotion has information of
+                # the join type for the unused alias.
+                self.unref_alias(new_alias)
+        joinpromoter.add_votes(rhs_votes)
+        joinpromoter.update_join_types(self)
+
+        # Combine subqueries aliases to ensure aliases relabelling properly
+        # handle subqueries when combining where and select clauses.
+        self.subq_aliases |= rhs.subq_aliases
+
+        # Now relabel a copy of the rhs where-clause and add it to the current
+        # one.
+        w = rhs.where.clone()
+        w.relabel_aliases(change_map)
+        self.where.add(w, connector)
+
+        # Selection columns and extra extensions are those provided by 'rhs'.
+        if rhs.select:
+            self.set_select([col.relabeled_clone(change_map) for col in rhs.select])
+        else:
+            self.select = ()
+
+        if connector == OR:
+            # It would be nice to be able to handle this, but the queries don't
+            # really make sense (or return consistent value sets). Not worth
+            # the extra complexity when you can write a real query instead.
+            if self.extra and rhs.extra:
+                raise ValueError(
+                    "When merging querysets using 'or', you cannot have "
+                    "extra(select=...) on both sides."
+                )
+        self.extra.update(rhs.extra)
+        extra_select_mask = set()
+        if self.extra_select_mask is not None:
+            extra_select_mask.update(self.extra_select_mask)
+        if rhs.extra_select_mask is not None:
+            extra_select_mask.update(rhs.extra_select_mask)
+        if extra_select_mask:
+            self.set_extra_mask(extra_select_mask)
+        self.extra_tables += rhs.extra_tables
+
+        # Ordering uses the 'rhs' ordering, unless it has none, in which case
+        # the current ordering is used.
+        self.order_by = rhs.order_by or self.order_by
+        self.extra_order_by = rhs.extra_order_by or self.extra_order_by
+
+    def _get_defer_select_mask(self, opts, mask, select_mask=None):
+        if select_mask is None:
+            select_mask = {}
+        select_mask[opts.pk] = {}
+        # All concrete fields that are not part of the defer mask must be
+        # loaded. If a relational field is encountered it gets added to the
+        # mask for it be considered if `select_related` and the cycle continues
+        # by recursively calling this function.
+        for field in opts.concrete_fields:
+            field_mask = mask.pop(field.name, None)
+            field_att_mask = mask.pop(field.attname, None)
+            if field_mask is None and field_att_mask is None:
+                select_mask.setdefault(field, {})
+            elif field_mask:
+                if not field.is_relation:
+                    raise FieldError(next(iter(field_mask)))
+                field_select_mask = select_mask.setdefault(field, {})
+                related_model = field.remote_field.model._meta.concrete_model
+                self._get_defer_select_mask(
+                    related_model._meta, field_mask, field_select_mask
+                )
+        # Remaining defer entries must be references to reverse relationships.
+        # The following code is expected to raise FieldError if it encounters
+        # a malformed defer entry.
+        for field_name, field_mask in mask.items():
+            if filtered_relation := self._filtered_relations.get(field_name):
+                relation = opts.get_field(filtered_relation.relation_name)
+                field_select_mask = select_mask.setdefault((field_name, relation), {})
+                field = relation.field
+            else:
+                reverse_rel = opts.get_field(field_name)
+                # While virtual fields such as many-to-many and generic foreign
+                # keys cannot be effectively deferred we've historically
+                # allowed them to be passed to QuerySet.defer(). Ignore such
+                # field references until a layer of validation at mask
+                # alteration time will be implemented eventually.
+                if not hasattr(reverse_rel, "field"):
+                    continue
+                field = reverse_rel.field
+                field_select_mask = select_mask.setdefault(field, {})
+            related_model = field.model._meta.concrete_model
+            self._get_defer_select_mask(
+                related_model._meta, field_mask, field_select_mask
+            )
+        return select_mask
+
+    def _get_only_select_mask(self, opts, mask, select_mask=None):
+        if select_mask is None:
+            select_mask = {}
+        select_mask[opts.pk] = {}
+        # Only include fields mentioned in the mask.
+        for field_name, field_mask in mask.items():
+            field = opts.get_field(field_name)
+            # Retrieve the actual field associated with reverse relationships
+            # as that's what is expected in the select mask.
+            if field in opts.related_objects:
+                field_key = field.field
+            else:
+                field_key = field
+            field_select_mask = select_mask.setdefault(field_key, {})
+            if field_mask:
+                if not field.is_relation:
+                    raise FieldError(next(iter(field_mask)))
+                related_model = field.remote_field.model._meta.concrete_model
+                self._get_only_select_mask(
+                    related_model._meta, field_mask, field_select_mask
+                )
+        return select_mask
+
+    def get_select_mask(self):
+        """
+        Convert the self.deferred_loading data structure to an alternate data
+        structure, describing the field that *will* be loaded. This is used to
+        compute the columns to select from the database and also by the
+        QuerySet class to work out which fields are being initialized on each
+        model. Models that have all their fields included aren't mentioned in
+        the result, only those that have field restrictions in place.
+        """
+        field_names, defer = self.deferred_loading
+        if not field_names:
+            return {}
+        mask = {}
+        for field_name in field_names:
+            part_mask = mask
+            for part in field_name.split(LOOKUP_SEP):
+                part_mask = part_mask.setdefault(part, {})
+        opts = self.get_meta()
+        if defer:
+            return self._get_defer_select_mask(opts, mask)
+        return self._get_only_select_mask(opts, mask)
+
+    def table_alias(self, table_name, create=False, filtered_relation=None):
+        """
+        Return a table alias for the given table_name and whether this is a
+        new alias or not.
+
+        If 'create' is true, a new alias is always created. Otherwise, the
+        most recently created alias for the table (if one exists) is reused.
+        """
+        alias_list = self.table_map.get(table_name)
+        if not create and alias_list:
+            alias = alias_list[0]
+            self.alias_refcount[alias] += 1
+            return alias, False
+
+        # Create a new alias for this table.
+        if alias_list:
+            alias = "%s%d" % (self.alias_prefix, len(self.alias_map) + 1)
+            alias_list.append(alias)
+        else:
+            # The first occurrence of a table uses the table name directly.
+            alias = (
+                filtered_relation.alias if filtered_relation is not None else table_name
+            )
+            self.table_map[table_name] = [alias]
+        self.alias_refcount[alias] = 1
+        return alias, True
+
+    def ref_alias(self, alias):
+        """Increases the reference count for this alias."""
+        self.alias_refcount[alias] += 1
+
+    def unref_alias(self, alias, amount=1):
+        """Decreases the reference count for this alias."""
+        self.alias_refcount[alias] -= amount
+
+    def promote_joins(self, aliases):
+        """
+        Promote recursively the join type of given aliases and its children to
+        an outer join. If 'unconditional' is False, only promote the join if
+        it is nullable or the parent join is an outer join.
+
+        The children promotion is done to avoid join chains that contain a LOUTER
+        b INNER c. So, if we have currently a INNER b INNER c and a->b is promoted,
+        then we must also promote b->c automatically, or otherwise the promotion
+        of a->b doesn't actually change anything in the query results.
+        """
+        aliases = list(aliases)
+        while aliases:
+            alias = aliases.pop(0)
+            if self.alias_map[alias].join_type is None:
+                # This is the base table (first FROM entry) - this table
+                # isn't really joined at all in the query, so we should not
+                # alter its join type.
+                continue
+            # Only the first alias (skipped above) should have None join_type
+            assert self.alias_map[alias].join_type is not None
+            parent_alias = self.alias_map[alias].parent_alias
+            parent_louter = (
+                parent_alias and self.alias_map[parent_alias].join_type == LOUTER
+            )
+            already_louter = self.alias_map[alias].join_type == LOUTER
+            if (self.alias_map[alias].nullable or parent_louter) and not already_louter:
+                self.alias_map[alias] = self.alias_map[alias].promote()
+                # Join type of 'alias' changed, so re-examine all aliases that
+                # refer to this one.
+                aliases.extend(
+                    join
+                    for join in self.alias_map
+                    if self.alias_map[join].parent_alias == alias
+                    and join not in aliases
+                )
+
+    def demote_joins(self, aliases):
+        """
+        Change join type from LOUTER to INNER for all joins in aliases.
+
+        Similarly to promote_joins(), this method must ensure no join chains
+        containing first an outer, then an inner join are generated. If we
+        are demoting b->c join in chain a LOUTER b LOUTER c then we must
+        demote a->b automatically, or otherwise the demotion of b->c doesn't
+        actually change anything in the query results. .
+        """
+        aliases = list(aliases)
+        while aliases:
+            alias = aliases.pop(0)
+            if self.alias_map[alias].join_type == LOUTER:
+                self.alias_map[alias] = self.alias_map[alias].demote()
+                parent_alias = self.alias_map[alias].parent_alias
+                if self.alias_map[parent_alias].join_type == INNER:
+                    aliases.append(parent_alias)
+
+    def reset_refcounts(self, to_counts):
+        """
+        Reset reference counts for aliases so that they match the value passed
+        in `to_counts`.
+        """
+        for alias, cur_refcount in self.alias_refcount.copy().items():
+            unref_amount = cur_refcount - to_counts.get(alias, 0)
+            self.unref_alias(alias, unref_amount)
+
+    def change_aliases(self, change_map):
+        """
+        Change the aliases in change_map (which maps old-alias -> new-alias),
+        relabelling any references to them in select columns and the where
+        clause.
+        """
+        # If keys and values of change_map were to intersect, an alias might be
+        # updated twice (e.g. T4 -> T5, T5 -> T6, so also T4 -> T6) depending
+        # on their order in change_map.
+        assert set(change_map).isdisjoint(change_map.values())
+
+        # 1. Update references in "select" (normal columns plus aliases),
+        # "group by" and "where".
+        self.where.relabel_aliases(change_map)
+        if isinstance(self.group_by, tuple):
+            self.group_by = tuple(
+                [col.relabeled_clone(change_map) for col in self.group_by]
+            )
+        self.select = tuple([col.relabeled_clone(change_map) for col in self.select])
+        self.annotations = self.annotations and {
+            key: col.relabeled_clone(change_map)
+            for key, col in self.annotations.items()
+        }
+
+        # 2. Rename the alias in the internal table/alias datastructures.
+        for old_alias, new_alias in change_map.items():
+            if old_alias not in self.alias_map:
+                continue
+            alias_data = self.alias_map[old_alias].relabeled_clone(change_map)
+            self.alias_map[new_alias] = alias_data
+            self.alias_refcount[new_alias] = self.alias_refcount[old_alias]
+            del self.alias_refcount[old_alias]
+            del self.alias_map[old_alias]
+
+            table_aliases = self.table_map[alias_data.table_name]
+            for pos, alias in enumerate(table_aliases):
+                if alias == old_alias:
+                    table_aliases[pos] = new_alias
+                    break
+        self.external_aliases = {
+            # Table is aliased or it's being changed and thus is aliased.
+            change_map.get(alias, alias): (aliased or alias in change_map)
+            for alias, aliased in self.external_aliases.items()
+        }
+
+    def bump_prefix(self, other_query, exclude=None):
+        """
+        Change the alias prefix to the next letter in the alphabet in a way
+        that the other query's aliases and this query's aliases will not
+        conflict. Even tables that previously had no alias will get an alias
+        after this call. To prevent changing aliases use the exclude parameter.
+        """
+
+        def prefix_gen():
+            """
+            Generate a sequence of characters in alphabetical order:
+                -> 'A', 'B', 'C', ...
+
+            When the alphabet is finished, the sequence will continue with the
+            Cartesian product:
+                -> 'AA', 'AB', 'AC', ...
+            """
+            alphabet = ascii_uppercase
+            prefix = chr(ord(self.alias_prefix) + 1)
+            yield prefix
+            for n in count(1):
+                seq = alphabet[alphabet.index(prefix) :] if prefix else alphabet
+                for s in product(seq, repeat=n):
+                    yield "".join(s)
+                prefix = None
+
+        if self.alias_prefix != other_query.alias_prefix:
+            # No clashes between self and outer query should be possible.
+            return
+
+        # Explicitly avoid infinite loop. The constant divider is based on how
+        # much depth recursive subquery references add to the stack. This value
+        # might need to be adjusted when adding or removing function calls from
+        # the code path in charge of performing these operations.
+        local_recursion_limit = sys.getrecursionlimit() // 16
+        for pos, prefix in enumerate(prefix_gen()):
+            if prefix not in self.subq_aliases:
+                self.alias_prefix = prefix
+                break
+            if pos > local_recursion_limit:
+                raise RecursionError(
+                    "Maximum recursion depth exceeded: too many subqueries."
+                )
+        self.subq_aliases = self.subq_aliases.union([self.alias_prefix])
+        other_query.subq_aliases = other_query.subq_aliases.union(self.subq_aliases)
+        if exclude is None:
+            exclude = {}
+        self.change_aliases(
+            {
+                alias: "%s%d" % (self.alias_prefix, pos)
+                for pos, alias in enumerate(self.alias_map)
+                if alias not in exclude
+            }
+        )
+
+    def get_initial_alias(self):
+        """
+        Return the first alias for this query, after increasing its reference
+        count.
+        """
+        if self.alias_map:
+            alias = self.base_table
+            self.ref_alias(alias)
+        elif self.model:
+            alias = self.join(self.base_table_class(self.get_meta().db_table, None))
+        else:
+            alias = None
+        return alias
+
+    def count_active_tables(self):
+        """
+        Return the number of tables in this query with a non-zero reference
+        count. After execution, the reference counts are zeroed, so tables
+        added in compiler will not be seen by this method.
+        """
+        return len([1 for count in self.alias_refcount.values() if count])
+
+    def join(self, join, reuse=None):
+        """
+        Return an alias for the 'join', either reusing an existing alias for
+        that join or creating a new one. 'join' is either a base_table_class or
+        join_class.
+
+        The 'reuse' parameter can be either None which means all joins are
+        reusable, or it can be a set containing the aliases that can be reused.
+
+        A join is always created as LOUTER if the lhs alias is LOUTER to make
+        sure chains like t1 LOUTER t2 INNER t3 aren't generated. All new
+        joins are created as LOUTER if the join is nullable.
+        """
+        reuse_aliases = [
+            a
+            for a, j in self.alias_map.items()
+            if (reuse is None or a in reuse) and j == join
+        ]
+        if reuse_aliases:
+            if join.table_alias in reuse_aliases:
+                reuse_alias = join.table_alias
+            else:
+                # Reuse the most recent alias of the joined table
+                # (a many-to-many relation may be joined multiple times).
+                reuse_alias = reuse_aliases[-1]
+            self.ref_alias(reuse_alias)
+            return reuse_alias
+
+        # No reuse is possible, so we need a new alias.
+        alias, _ = self.table_alias(
+            join.table_name, create=True, filtered_relation=join.filtered_relation
+        )
+        if join.join_type:
+            if self.alias_map[join.parent_alias].join_type == LOUTER or join.nullable:
+                join_type = LOUTER
+            else:
+                join_type = INNER
+            join.join_type = join_type
+        join.table_alias = alias
+        self.alias_map[alias] = join
+        if filtered_relation := join.filtered_relation:
+            resolve_reuse = reuse
+            if resolve_reuse is not None:
+                resolve_reuse = set(reuse) | {alias}
+            joins_len = len(self.alias_map)
+            join.filtered_relation = filtered_relation.resolve_expression(
+                self, reuse=resolve_reuse
+            )
+            # Some joins were during expression resolving, they must be present
+            # before the one we just added.
+            if joins_len < len(self.alias_map):
+                self.alias_map[alias] = self.alias_map.pop(alias)
+        return alias
+
+    def join_parent_model(self, opts, model, alias, seen):
+        """
+        Make sure the given 'model' is joined in the query. If 'model' isn't
+        a parent of 'opts' or if it is None this method is a no-op.
+
+        The 'alias' is the root alias for starting the join, 'seen' is a dict
+        of model -> alias of existing joins. It must also contain a mapping
+        of None -> some alias. This will be returned in the no-op case.
+        """
+        if model in seen:
+            return seen[model]
+        chain = opts.get_base_chain(model)
+        if not chain:
+            return alias
+        curr_opts = opts
+        for int_model in chain:
+            if int_model in seen:
+                curr_opts = int_model._meta
+                alias = seen[int_model]
+                continue
+            # Proxy model have elements in base chain
+            # with no parents, assign the new options
+            # object and skip to the next base in that
+            # case
+            if not curr_opts.parents[int_model]:
+                curr_opts = int_model._meta
+                continue
+            link_field = curr_opts.get_ancestor_link(int_model)
+            join_info = self.setup_joins([link_field.name], curr_opts, alias)
+            curr_opts = int_model._meta
+            alias = seen[int_model] = join_info.joins[-1]
+        return alias or seen[None]
+
+    def check_alias(self, alias):
+        if FORBIDDEN_ALIAS_PATTERN.search(alias):
+            raise ValueError(
+                "Column aliases cannot contain whitespace characters, quotation marks, "
+                "semicolons, or SQL comments."
+            )
+
+    def add_annotation(self, annotation, alias, select=True):
+        """Add a single annotation expression to the Query."""
+        self.check_alias(alias)
+        annotation = annotation.resolve_expression(self, allow_joins=True, reuse=None)
+        if select:
+            self.append_annotation_mask([alias])
+        else:
+            annotation_mask = (
+                value
+                for value in dict.fromkeys(self.annotation_select)
+                if value != alias
+            )
+            self.set_annotation_mask(annotation_mask)
+        self.annotations[alias] = annotation
+
+    def resolve_expression(self, query, *args, **kwargs):
+        clone = self.clone()
+        # Subqueries need to use a different set of aliases than the outer query.
+        clone.bump_prefix(query)
+        clone.subquery = True
+        clone.where.resolve_expression(query, *args, **kwargs)
+        # Resolve combined queries.
+        if clone.combinator:
+            clone.combined_queries = tuple(
+                [
+                    combined_query.resolve_expression(query, *args, **kwargs)
+                    for combined_query in clone.combined_queries
+                ]
+            )
+        for key, value in clone.annotations.items():
+            resolved = value.resolve_expression(query, *args, **kwargs)
+            if hasattr(resolved, "external_aliases"):
+                resolved.external_aliases.update(clone.external_aliases)
+            clone.annotations[key] = resolved
+        # Outer query's aliases are considered external.
+        for alias, table in query.alias_map.items():
+            clone.external_aliases[alias] = (
+                isinstance(table, Join)
+                and table.join_field.related_model._meta.db_table != alias
+            ) or (
+                isinstance(table, BaseTable) and table.table_name != table.table_alias
+            )
+        return clone
+
+    def get_external_cols(self):
+        exprs = chain(self.annotations.values(), self.where.children)
+        return [
+            col
+            for col in self._gen_cols(exprs, include_external=True)
+            if col.alias in self.external_aliases
+        ]
+
+    def get_group_by_cols(self, wrapper=None):
+        # If wrapper is referenced by an alias for an explicit GROUP BY through
+        # values() a reference to this expression and not the self must be
+        # returned to ensure external column references are not grouped against
+        # as well.
+        external_cols = self.get_external_cols()
+        if any(col.possibly_multivalued for col in external_cols):
+            return [wrapper or self]
+        return external_cols
+
+    def as_sql(self, compiler, connection):
+        # Some backends (e.g. Oracle) raise an error when a subquery contains
+        # unnecessary ORDER BY clause.
+        if (
+            self.subquery
+            and not connection.features.ignores_unnecessary_order_by_in_subqueries
+        ):
+            self.clear_ordering(force=False)
+            for query in self.combined_queries:
+                query.clear_ordering(force=False)
+        sql, params = self.get_compiler(connection=connection).as_sql()
+        if self.subquery:
+            sql = "(%s)" % sql
+        return sql, params
+
+    def resolve_lookup_value(self, value, can_reuse, allow_joins, summarize=False):
+        if hasattr(value, "resolve_expression"):
+            value = value.resolve_expression(
+                self,
+                reuse=can_reuse,
+                allow_joins=allow_joins,
+                summarize=summarize,
+            )
+        elif isinstance(value, (list, tuple)):
+            # The items of the iterable may be expressions and therefore need
+            # to be resolved independently.
+            values = (
+                self.resolve_lookup_value(sub_value, can_reuse, allow_joins)
+                for sub_value in value
+            )
+            type_ = type(value)
+            if hasattr(type_, "_make"):  # namedtuple
+                return type_(*values)
+            return type_(values)
+        return value
+
+    def solve_lookup_type(self, lookup, summarize=False):
+        """
+        Solve the lookup type from the lookup (e.g.: 'foobar__id__icontains').
+        """
+        lookup_splitted = lookup.split(LOOKUP_SEP)
+        if self.annotations:
+            annotation, expression_lookups = refs_expression(
+                lookup_splitted, self.annotations
+            )
+            if annotation:
+                expression = self.annotations[annotation]
+                if summarize:
+                    expression = Ref(annotation, expression)
+                return expression_lookups, (), expression
+        _, field, _, lookup_parts = self.names_to_path(lookup_splitted, self.get_meta())
+        field_parts = lookup_splitted[0 : len(lookup_splitted) - len(lookup_parts)]
+        if len(lookup_parts) > 1 and not field_parts:
+            raise FieldError(
+                'Invalid lookup "%s" for model %s".'
+                % (lookup, self.get_meta().model.__name__)
+            )
+        return lookup_parts, field_parts, False
+
+    def check_query_object_type(self, value, opts, field):
+        """
+        Check whether the object passed while querying is of the correct type.
+        If not, raise a ValueError specifying the wrong object.
+        """
+        if hasattr(value, "_meta"):
+            if not check_rel_lookup_compatibility(value._meta.model, opts, field):
+                raise ValueError(
+                    'Cannot query "%s": Must be "%s" instance.'
+                    % (value, opts.object_name)
+                )
+
+    def check_related_objects(self, field, value, opts):
+        """Check the type of object passed to query relations."""
+        if field.is_relation:
+            # Check that the field and the queryset use the same model in a
+            # query like .filter(author=Author.objects.all()). For example, the
+            # opts would be Author's (from the author field) and value.model
+            # would be Author.objects.all() queryset's .model (Author also).
+            # The field is the related field on the lhs side.
+            if (
+                isinstance(value, Query)
+                and not value.has_select_fields
+                and not check_rel_lookup_compatibility(value.model, opts, field)
+            ):
+                raise ValueError(
+                    'Cannot use QuerySet for "%s": Use a QuerySet for "%s".'
+                    % (value.model._meta.object_name, opts.object_name)
+                )
+            elif hasattr(value, "_meta"):
+                self.check_query_object_type(value, opts, field)
+            elif hasattr(value, "__iter__"):
+                for v in value:
+                    self.check_query_object_type(v, opts, field)
+
+    def check_filterable(self, expression):
+        """Raise an error if expression cannot be used in a WHERE clause."""
+        if hasattr(expression, "resolve_expression") and not getattr(
+            expression, "filterable", True
+        ):
+            raise NotSupportedError(
+                expression.__class__.__name__ + " is disallowed in the filter "
+                "clause."
+            )
+        if hasattr(expression, "get_source_expressions"):
+            for expr in expression.get_source_expressions():
+                self.check_filterable(expr)
+
+    def build_lookup(self, lookups, lhs, rhs):
+        """
+        Try to extract transforms and lookup from given lhs.
+
+        The lhs value is something that works like SQLExpression.
+        The rhs value is what the lookup is going to compare against.
+        The lookups is a list of names to extract using get_lookup()
+        and get_transform().
+        """
+        # __exact is the default lookup if one isn't given.
+        *transforms, lookup_name = lookups or ["exact"]
+        for name in transforms:
+            lhs = self.try_transform(lhs, name)
+        # First try get_lookup() so that the lookup takes precedence if the lhs
+        # supports both transform and lookup for the name.
+        lookup_class = lhs.get_lookup(lookup_name)
+        if not lookup_class:
+            # A lookup wasn't found. Try to interpret the name as a transform
+            # and do an Exact lookup against it.
+            lhs = self.try_transform(lhs, lookup_name)
+            lookup_name = "exact"
+            lookup_class = lhs.get_lookup(lookup_name)
+            if not lookup_class:
+                return
+
+        lookup = lookup_class(lhs, rhs)
+        # Interpret '__exact=None' as the sql 'is NULL'; otherwise, reject all
+        # uses of None as a query value unless the lookup supports it.
+        if lookup.rhs is None and not lookup.can_use_none_as_rhs:
+            if lookup_name not in ("exact", "iexact"):
+                raise ValueError("Cannot use None as a query value")
+            return lhs.get_lookup("isnull")(lhs, True)
+
+        # For Oracle '' is equivalent to null. The check must be done at this
+        # stage because join promotion can't be done in the compiler. Using
+        # DEFAULT_DB_ALIAS isn't nice but it's the best that can be done here.
+        # A similar thing is done in is_nullable(), too.
+        if (
+            lookup_name == "exact"
+            and lookup.rhs == ""
+            and connections[DEFAULT_DB_ALIAS].features.interprets_empty_strings_as_nulls
+        ):
+            return lhs.get_lookup("isnull")(lhs, True)
+
+        return lookup
+
+    def try_transform(self, lhs, name):
+        """
+        Helper method for build_lookup(). Try to fetch and initialize
+        a transform for name parameter from lhs.
+        """
+        transform_class = lhs.get_transform(name)
+        if transform_class:
+            return transform_class(lhs)
+        else:
+            output_field = lhs.output_field.__class__
+            suggested_lookups = difflib.get_close_matches(
+                name, lhs.output_field.get_lookups()
+            )
+            if suggested_lookups:
+                suggestion = ", perhaps you meant %s?" % " or ".join(suggested_lookups)
+            else:
+                suggestion = "."
+            raise FieldError(
+                "Unsupported lookup '%s' for %s or join on the field not "
+                "permitted%s" % (name, output_field.__name__, suggestion)
+            )
+
+    def build_filter(
+        self,
+        filter_expr,
+        branch_negated=False,
+        current_negated=False,
+        can_reuse=None,
+        allow_joins=True,
+        split_subq=True,
+        check_filterable=True,
+        summarize=False,
+        update_join_types=True,
+    ):
+        """
+        Build a WhereNode for a single filter clause but don't add it
+        to this Query. Query.add_q() will then add this filter to the where
+        Node.
+
+        The 'branch_negated' tells us if the current branch contains any
+        negations. This will be used to determine if subqueries are needed.
+
+        The 'current_negated' is used to determine if the current filter is
+        negated or not and this will be used to determine if IS NULL filtering
+        is needed.
+
+        The difference between current_negated and branch_negated is that
+        branch_negated is set on first negation, but current_negated is
+        flipped for each negation.
+
+        Note that add_filter will not do any negating itself, that is done
+        upper in the code by add_q().
+
+        The 'can_reuse' is a set of reusable joins for multijoins.
+
+        The method will create a filter clause that can be added to the current
+        query. However, if the filter isn't added to the query then the caller
+        is responsible for unreffing the joins used.
+        """
+        if isinstance(filter_expr, dict):
+            raise FieldError("Cannot parse keyword query as dict")
+        if isinstance(filter_expr, Q):
+            return self._add_q(
+                filter_expr,
+                branch_negated=branch_negated,
+                current_negated=current_negated,
+                used_aliases=can_reuse,
+                allow_joins=allow_joins,
+                split_subq=split_subq,
+                check_filterable=check_filterable,
+                summarize=summarize,
+                update_join_types=update_join_types,
+            )
+        if hasattr(filter_expr, "resolve_expression"):
+            if not getattr(filter_expr, "conditional", False):
+                raise TypeError("Cannot filter against a non-conditional expression.")
+            condition = filter_expr.resolve_expression(
+                self, allow_joins=allow_joins, reuse=can_reuse, summarize=summarize
+            )
+            if not isinstance(condition, Lookup):
+                condition = self.build_lookup(["exact"], condition, True)
+            return WhereNode([condition], connector=AND), []
+        arg, value = filter_expr
+        if not arg:
+            raise FieldError("Cannot parse keyword query %r" % arg)
+        lookups, parts, reffed_expression = self.solve_lookup_type(arg, summarize)
+
+        if check_filterable:
+            self.check_filterable(reffed_expression)
+
+        if not allow_joins and len(parts) > 1:
+            raise FieldError("Joined field references are not permitted in this query")
+
+        pre_joins = self.alias_refcount.copy()
+        value = self.resolve_lookup_value(value, can_reuse, allow_joins, summarize)
+        used_joins = {
+            k for k, v in self.alias_refcount.items() if v > pre_joins.get(k, 0)
+        }
+
+        if check_filterable:
+            self.check_filterable(value)
+
+        if reffed_expression:
+            condition = self.build_lookup(lookups, reffed_expression, value)
+            return WhereNode([condition], connector=AND), []
+
+        opts = self.get_meta()
+        alias = self.get_initial_alias()
+        allow_many = not branch_negated or not split_subq
+
+        try:
+            join_info = self.setup_joins(
+                parts,
+                opts,
+                alias,
+                can_reuse=can_reuse,
+                allow_many=allow_many,
+            )
+
+            # Prevent iterator from being consumed by check_related_objects()
+            if isinstance(value, Iterator):
+                value = list(value)
+            self.check_related_objects(join_info.final_field, value, join_info.opts)
+
+            # split_exclude() needs to know which joins were generated for the
+            # lookup parts
+            self._lookup_joins = join_info.joins
+        except MultiJoin as e:
+            return self.split_exclude(filter_expr, can_reuse, e.names_with_path)
+
+        # Update used_joins before trimming since they are reused to determine
+        # which joins could be later promoted to INNER.
+        used_joins.update(join_info.joins)
+        targets, alias, join_list = self.trim_joins(
+            join_info.targets, join_info.joins, join_info.path
+        )
+        if can_reuse is not None:
+            can_reuse.update(join_list)
+
+        if join_info.final_field.is_relation:
+            if len(targets) == 1:
+                col = self._get_col(targets[0], join_info.final_field, alias)
+            else:
+                col = MultiColSource(
+                    alias, targets, join_info.targets, join_info.final_field
+                )
+        else:
+            col = self._get_col(targets[0], join_info.final_field, alias)
+
+        condition = self.build_lookup(lookups, col, value)
+        lookup_type = condition.lookup_name
+        clause = WhereNode([condition], connector=AND)
+
+        require_outer = (
+            lookup_type == "isnull" and condition.rhs is True and not current_negated
+        )
+        if (
+            current_negated
+            and (lookup_type != "isnull" or condition.rhs is False)
+            and condition.rhs is not None
+        ):
+            require_outer = True
+            if lookup_type != "isnull":
+                # The condition added here will be SQL like this:
+                # NOT (col IS NOT NULL), where the first NOT is added in
+                # upper layers of code. The reason for addition is that if col
+                # is null, then col != someval will result in SQL "unknown"
+                # which isn't the same as in Python. The Python None handling
+                # is wanted, and it can be gotten by
+                # (col IS NULL OR col != someval)
+                #   <=>
+                # NOT (col IS NOT NULL AND col = someval).
+                if (
+                    self.is_nullable(targets[0])
+                    or self.alias_map[join_list[-1]].join_type == LOUTER
+                ):
+                    lookup_class = targets[0].get_lookup("isnull")
+                    col = self._get_col(targets[0], join_info.targets[0], alias)
+                    clause.add(lookup_class(col, False), AND)
+                # If someval is a nullable column, someval IS NOT NULL is
+                # added.
+                if isinstance(value, Col) and self.is_nullable(value.target):
+                    lookup_class = value.target.get_lookup("isnull")
+                    clause.add(lookup_class(value, False), AND)
+        return clause, used_joins if not require_outer else ()
+
+    def add_filter(self, filter_lhs, filter_rhs):
+        self.add_q(Q((filter_lhs, filter_rhs)))
+
+    def add_q(self, q_object):
+        """
+        A preprocessor for the internal _add_q(). Responsible for doing final
+        join promotion.
+        """
+        # For join promotion this case is doing an AND for the added q_object
+        # and existing conditions. So, any existing inner join forces the join
+        # type to remain inner. Existing outer joins can however be demoted.
+        # (Consider case where rel_a is LOUTER and rel_a__col=1 is added - if
+        # rel_a doesn't produce any rows, then the whole condition must fail.
+        # So, demotion is OK.
+        existing_inner = {
+            a for a in self.alias_map if self.alias_map[a].join_type == INNER
+        }
+        clause, _ = self._add_q(q_object, self.used_aliases)
+        if clause:
+            self.where.add(clause, AND)
+        self.demote_joins(existing_inner)
+
+    def build_where(self, filter_expr):
+        return self.build_filter(filter_expr, allow_joins=False)[0]
+
+    def clear_where(self):
+        self.where = WhereNode()
+
+    def _add_q(
+        self,
+        q_object,
+        used_aliases,
+        branch_negated=False,
+        current_negated=False,
+        allow_joins=True,
+        split_subq=True,
+        check_filterable=True,
+        summarize=False,
+        update_join_types=True,
+    ):
+        """Add a Q-object to the current filter."""
+        connector = q_object.connector
+        current_negated ^= q_object.negated
+        branch_negated = branch_negated or q_object.negated
+        target_clause = WhereNode(connector=connector, negated=q_object.negated)
+        joinpromoter = JoinPromoter(
+            q_object.connector, len(q_object.children), current_negated
+        )
+        for child in q_object.children:
+            child_clause, needed_inner = self.build_filter(
+                child,
+                can_reuse=used_aliases,
+                branch_negated=branch_negated,
+                current_negated=current_negated,
+                allow_joins=allow_joins,
+                split_subq=split_subq,
+                check_filterable=check_filterable,
+                summarize=summarize,
+                update_join_types=update_join_types,
+            )
+            joinpromoter.add_votes(needed_inner)
+            if child_clause:
+                target_clause.add(child_clause, connector)
+        if update_join_types:
+            needed_inner = joinpromoter.update_join_types(self)
+        else:
+            needed_inner = []
+        return target_clause, needed_inner
+
+    def add_filtered_relation(self, filtered_relation, alias):
+        filtered_relation.alias = alias
+        relation_lookup_parts, relation_field_parts, _ = self.solve_lookup_type(
+            filtered_relation.relation_name
+        )
+        if relation_lookup_parts:
+            raise ValueError(
+                "FilteredRelation's relation_name cannot contain lookups "
+                "(got %r)." % filtered_relation.relation_name
+            )
+        for lookup in get_children_from_q(filtered_relation.condition):
+            lookup_parts, lookup_field_parts, _ = self.solve_lookup_type(lookup)
+            shift = 2 if not lookup_parts else 1
+            lookup_field_path = lookup_field_parts[:-shift]
+            for idx, lookup_field_part in enumerate(lookup_field_path):
+                if len(relation_field_parts) > idx:
+                    if relation_field_parts[idx] != lookup_field_part:
+                        raise ValueError(
+                            "FilteredRelation's condition doesn't support "
+                            "relations outside the %r (got %r)."
+                            % (filtered_relation.relation_name, lookup)
+                        )
+                else:
+                    raise ValueError(
+                        "FilteredRelation's condition doesn't support nested "
+                        "relations deeper than the relation_name (got %r for "
+                        "%r)." % (lookup, filtered_relation.relation_name)
+                    )
+        filtered_relation.condition = rename_prefix_from_q(
+            filtered_relation.relation_name,
+            alias,
+            filtered_relation.condition,
+        )
+        self._filtered_relations[filtered_relation.alias] = filtered_relation
+
+    def names_to_path(self, names, opts, allow_many=True, fail_on_missing=False):
+        """
+        Walk the list of names and turns them into PathInfo tuples. A single
+        name in 'names' can generate multiple PathInfos (m2m, for example).
+
+        'names' is the path of names to travel, 'opts' is the model Options we
+        start the name resolving from, 'allow_many' is as for setup_joins().
+        If fail_on_missing is set to True, then a name that can't be resolved
+        will generate a FieldError.
+
+        Return a list of PathInfo tuples. In addition return the final field
+        (the last used join field) and target (which is a field guaranteed to
+        contain the same value as the final field). Finally, return those names
+        that weren't found (which are likely transforms and the final lookup).
+        """
+        path, names_with_path = [], []
+        for pos, name in enumerate(names):
+            cur_names_with_path = (name, [])
+            if name == "pk" and opts is not None:
+                name = opts.pk.name
+
+            field = None
+            filtered_relation = None
+            try:
+                if opts is None:
+                    raise FieldDoesNotExist
+                field = opts.get_field(name)
+            except FieldDoesNotExist:
+                if name in self.annotation_select:
+                    field = self.annotation_select[name].output_field
+                elif name in self._filtered_relations and pos == 0:
+                    filtered_relation = self._filtered_relations[name]
+                    if LOOKUP_SEP in filtered_relation.relation_name:
+                        parts = filtered_relation.relation_name.split(LOOKUP_SEP)
+                        filtered_relation_path, field, _, _ = self.names_to_path(
+                            parts,
+                            opts,
+                            allow_many,
+                            fail_on_missing,
+                        )
+                        path.extend(filtered_relation_path[:-1])
+                    else:
+                        field = opts.get_field(filtered_relation.relation_name)
+            if field is not None:
+                # Fields that contain one-to-many relations with a generic
+                # model (like a GenericForeignKey) cannot generate reverse
+                # relations and therefore cannot be used for reverse querying.
+                if field.is_relation and not field.related_model:
+                    raise FieldError(
+                        "Field %r does not generate an automatic reverse "
+                        "relation and therefore cannot be used for reverse "
+                        "querying. If it is a GenericForeignKey, consider "
+                        "adding a GenericRelation." % name
+                    )
+                try:
+                    model = field.model._meta.concrete_model
+                except AttributeError:
+                    # QuerySet.annotate() may introduce fields that aren't
+                    # attached to a model.
+                    model = None
+            else:
+                # We didn't find the current field, so move position back
+                # one step.
+                pos -= 1
+                if pos == -1 or fail_on_missing:
+                    available = sorted(
+                        [
+                            *get_field_names_from_opts(opts),
+                            *self.annotation_select,
+                            *self._filtered_relations,
+                        ]
+                    )
+                    raise FieldError(
+                        "Cannot resolve keyword '%s' into field. "
+                        "Choices are: %s" % (name, ", ".join(available))
+                    )
+                break
+            # Check if we need any joins for concrete inheritance cases (the
+            # field lives in parent, but we are currently in one of its
+            # children)
+            if opts is not None and model is not opts.model:
+                path_to_parent = opts.get_path_to_parent(model)
+                if path_to_parent:
+                    path.extend(path_to_parent)
+                    cur_names_with_path[1].extend(path_to_parent)
+                    opts = path_to_parent[-1].to_opts
+            if hasattr(field, "path_infos"):
+                if filtered_relation:
+                    pathinfos = field.get_path_info(filtered_relation)
+                else:
+                    pathinfos = field.path_infos
+                if not allow_many:
+                    for inner_pos, p in enumerate(pathinfos):
+                        if p.m2m:
+                            cur_names_with_path[1].extend(pathinfos[0 : inner_pos + 1])
+                            names_with_path.append(cur_names_with_path)
+                            raise MultiJoin(pos + 1, names_with_path)
+                last = pathinfos[-1]
+                path.extend(pathinfos)
+                final_field = last.join_field
+                opts = last.to_opts
+                targets = last.target_fields
+                cur_names_with_path[1].extend(pathinfos)
+                names_with_path.append(cur_names_with_path)
+            else:
+                # Local non-relational field.
+                final_field = field
+                targets = (field,)
+                if fail_on_missing and pos + 1 != len(names):
+                    raise FieldError(
+                        "Cannot resolve keyword %r into field. Join on '%s'"
+                        " not permitted." % (names[pos + 1], name)
+                    )
+                break
+        return path, final_field, targets, names[pos + 1 :]
+
+    def setup_joins(
+        self,
+        names,
+        opts,
+        alias,
+        can_reuse=None,
+        allow_many=True,
+    ):
+        """
+        Compute the necessary table joins for the passage through the fields
+        given in 'names'. 'opts' is the Options class for the current model
+        (which gives the table we are starting from), 'alias' is the alias for
+        the table to start the joining from.
+
+        The 'can_reuse' defines the reverse foreign key joins we can reuse. It
+        can be None in which case all joins are reusable or a set of aliases
+        that can be reused. Note that non-reverse foreign keys are always
+        reusable when using setup_joins().
+
+        If 'allow_many' is False, then any reverse foreign key seen will
+        generate a MultiJoin exception.
+
+        Return the final field involved in the joins, the target field (used
+        for any 'where' constraint), the final 'opts' value, the joins, the
+        field path traveled to generate the joins, and a transform function
+        that takes a field and alias and is equivalent to `field.get_col(alias)`
+        in the simple case but wraps field transforms if they were included in
+        names.
+
+        The target field is the field containing the concrete value. Final
+        field can be something different, for example foreign key pointing to
+        that value. Final field is needed for example in some value
+        conversions (convert 'obj' in fk__id=obj to pk val using the foreign
+        key field for example).
+        """
+        joins = [alias]
+        # The transform can't be applied yet, as joins must be trimmed later.
+        # To avoid making every caller of this method look up transforms
+        # directly, compute transforms here and create a partial that converts
+        # fields to the appropriate wrapped version.
+
+        def final_transformer(field, alias):
+            if not self.alias_cols:
+                alias = None
+            return field.get_col(alias)
+
+        # Try resolving all the names as fields first. If there's an error,
+        # treat trailing names as lookups until a field can be resolved.
+        last_field_exception = None
+        for pivot in range(len(names), 0, -1):
+            try:
+                path, final_field, targets, rest = self.names_to_path(
+                    names[:pivot],
+                    opts,
+                    allow_many,
+                    fail_on_missing=True,
+                )
+            except FieldError as exc:
+                if pivot == 1:
+                    # The first item cannot be a lookup, so it's safe
+                    # to raise the field error here.
+                    raise
+                else:
+                    last_field_exception = exc
+            else:
+                # The transforms are the remaining items that couldn't be
+                # resolved into fields.
+                transforms = names[pivot:]
+                break
+        for name in transforms:
+
+            def transform(field, alias, *, name, previous):
+                try:
+                    wrapped = previous(field, alias)
+                    return self.try_transform(wrapped, name)
+                except FieldError:
+                    # FieldError is raised if the transform doesn't exist.
+                    if isinstance(final_field, Field) and last_field_exception:
+                        raise last_field_exception
+                    else:
+                        raise
+
+            final_transformer = functools.partial(
+                transform, name=name, previous=final_transformer
+            )
+            final_transformer.has_transforms = True
+        # Then, add the path to the query's joins. Note that we can't trim
+        # joins at this stage - we will need the information about join type
+        # of the trimmed joins.
+        for join in path:
+            if join.filtered_relation:
+                filtered_relation = join.filtered_relation.clone()
+                table_alias = filtered_relation.alias
+            else:
+                filtered_relation = None
+                table_alias = None
+            opts = join.to_opts
+            if join.direct:
+                nullable = self.is_nullable(join.join_field)
+            else:
+                nullable = True
+            connection = self.join_class(
+                opts.db_table,
+                alias,
+                table_alias,
+                INNER,
+                join.join_field,
+                nullable,
+                filtered_relation=filtered_relation,
+            )
+            reuse = can_reuse if join.m2m else None
+            alias = self.join(connection, reuse=reuse)
+            joins.append(alias)
+        return JoinInfo(final_field, targets, opts, joins, path, final_transformer)
+
+    def trim_joins(self, targets, joins, path):
+        """
+        The 'target' parameter is the final field being joined to, 'joins'
+        is the full list of join aliases. The 'path' contain the PathInfos
+        used to create the joins.
+
+        Return the final target field and table alias and the new active
+        joins.
+
+        Always trim any direct join if the target column is already in the
+        previous table. Can't trim reverse joins as it's unknown if there's
+        anything on the other side of the join.
+        """
+        joins = joins[:]
+        for pos, info in enumerate(reversed(path)):
+            if len(joins) == 1 or not info.direct:
+                break
+            if info.filtered_relation:
+                break
+            join_targets = {t.column for t in info.join_field.foreign_related_fields}
+            cur_targets = {t.column for t in targets}
+            if not cur_targets.issubset(join_targets):
+                break
+            targets_dict = {
+                r[1].column: r[0]
+                for r in info.join_field.related_fields
+                if r[1].column in cur_targets
+            }
+            targets = tuple(targets_dict[t.column] for t in targets)
+            self.unref_alias(joins.pop())
+        return targets, joins[-1], joins
+
+    @classmethod
+    def _gen_cols(cls, exprs, include_external=False, resolve_refs=True):
+        for expr in exprs:
+            if isinstance(expr, Col):
+                yield expr
+            elif include_external and callable(
+                getattr(expr, "get_external_cols", None)
+            ):
+                yield from expr.get_external_cols()
+            elif hasattr(expr, "get_source_expressions"):
+                if not resolve_refs and isinstance(expr, Ref):
+                    continue
+                yield from cls._gen_cols(
+                    expr.get_source_expressions(),
+                    include_external=include_external,
+                    resolve_refs=resolve_refs,
+                )
+
+    @classmethod
+    def _gen_col_aliases(cls, exprs):
+        yield from (expr.alias for expr in cls._gen_cols(exprs))
+
+    def resolve_ref(self, name, allow_joins=True, reuse=None, summarize=False):
+        annotation = self.annotations.get(name)
+        if annotation is not None:
+            if not allow_joins:
+                for alias in self._gen_col_aliases([annotation]):
+                    if isinstance(self.alias_map[alias], Join):
+                        raise FieldError(
+                            "Joined field references are not permitted in this query"
+                        )
+            if summarize:
+                # Summarize currently means we are doing an aggregate() query
+                # which is executed as a wrapped subquery if any of the
+                # aggregate() elements reference an existing annotation. In
+                # that case we need to return a Ref to the subquery's annotation.
+                if name not in self.annotation_select:
+                    raise FieldError(
+                        "Cannot aggregate over the '%s' alias. Use annotate() "
+                        "to promote it." % name
+                    )
+                return Ref(name, self.annotation_select[name])
+            else:
+                return annotation
+        else:
+            field_list = name.split(LOOKUP_SEP)
+            annotation = self.annotations.get(field_list[0])
+            if annotation is not None:
+                for transform in field_list[1:]:
+                    annotation = self.try_transform(annotation, transform)
+                return annotation
+            join_info = self.setup_joins(
+                field_list, self.get_meta(), self.get_initial_alias(), can_reuse=reuse
+            )
+            targets, final_alias, join_list = self.trim_joins(
+                join_info.targets, join_info.joins, join_info.path
+            )
+            if not allow_joins and len(join_list) > 1:
+                raise FieldError(
+                    "Joined field references are not permitted in this query"
+                )
+            if len(targets) > 1:
+                raise FieldError(
+                    "Referencing multicolumn fields with F() objects isn't supported"
+                )
+            # Verify that the last lookup in name is a field or a transform:
+            # transform_function() raises FieldError if not.
+            transform = join_info.transform_function(targets[0], final_alias)
+            if reuse is not None:
+                reuse.update(join_list)
+            return transform
+
+    def split_exclude(self, filter_expr, can_reuse, names_with_path):
+        """
+        When doing an exclude against any kind of N-to-many relation, we need
+        to use a subquery. This method constructs the nested query, given the
+        original exclude filter (filter_expr) and the portion up to the first
+        N-to-many relation field.
+
+        For example, if the origin filter is ~Q(child__name='foo'), filter_expr
+        is ('child__name', 'foo') and can_reuse is a set of joins usable for
+        filters in the original query.
+
+        We will turn this into equivalent of:
+            WHERE NOT EXISTS(
+                SELECT 1
+                FROM child
+                WHERE name = 'foo' AND child.parent_id = parent.id
+                LIMIT 1
+            )
+        """
+        # Generate the inner query.
+        query = self.__class__(self.model)
+        query._filtered_relations = self._filtered_relations
+        filter_lhs, filter_rhs = filter_expr
+        if isinstance(filter_rhs, OuterRef):
+            filter_rhs = OuterRef(filter_rhs)
+        elif isinstance(filter_rhs, F):
+            filter_rhs = OuterRef(filter_rhs.name)
+        query.add_filter(filter_lhs, filter_rhs)
+        query.clear_ordering(force=True)
+        # Try to have as simple as possible subquery -> trim leading joins from
+        # the subquery.
+        trimmed_prefix, contains_louter = query.trim_start(names_with_path)
+
+        col = query.select[0]
+        select_field = col.target
+        alias = col.alias
+        if alias in can_reuse:
+            pk = select_field.model._meta.pk
+            # Need to add a restriction so that outer query's filters are in effect for
+            # the subquery, too.
+            query.bump_prefix(self)
+            lookup_class = select_field.get_lookup("exact")
+            # Note that the query.select[0].alias is different from alias
+            # due to bump_prefix above.
+            lookup = lookup_class(pk.get_col(query.select[0].alias), pk.get_col(alias))
+            query.where.add(lookup, AND)
+            query.external_aliases[alias] = True
+        else:
+            lookup_class = select_field.get_lookup("exact")
+            lookup = lookup_class(col, ResolvedOuterRef(trimmed_prefix))
+            query.where.add(lookup, AND)
+
+        condition, needed_inner = self.build_filter(Exists(query))
+
+        if contains_louter:
+            or_null_condition, _ = self.build_filter(
+                ("%s__isnull" % trimmed_prefix, True),
+                current_negated=True,
+                branch_negated=True,
+                can_reuse=can_reuse,
+            )
+            condition.add(or_null_condition, OR)
+            # Note that the end result will be:
+            #   NOT EXISTS (inner_q) OR outercol IS NULL
+            # this might look crazy but due to how NULL works, this seems to be
+            # correct. If the IS NULL check is removed, then if outercol
+            # IS NULL we will not match the row.
+        return condition, needed_inner
+
+    def set_empty(self):
+        self.where.add(NothingNode(), AND)
+        for query in self.combined_queries:
+            query.set_empty()
+
+    def is_empty(self):
+        return any(isinstance(c, NothingNode) for c in self.where.children)
+
+    def set_limits(self, low=None, high=None):
+        """
+        Adjust the limits on the rows retrieved. Use low/high to set these,
+        as it makes it more Pythonic to read and write. When the SQL query is
+        created, convert them to the appropriate offset and limit values.
+
+        Apply any limits passed in here to the existing constraints. Add low
+        to the current low value and clamp both to any existing high value.
+        """
+        if high is not None:
+            if self.high_mark is not None:
+                self.high_mark = min(self.high_mark, self.low_mark + high)
+            else:
+                self.high_mark = self.low_mark + high
+        if low is not None:
+            if self.high_mark is not None:
+                self.low_mark = min(self.high_mark, self.low_mark + low)
+            else:
+                self.low_mark = self.low_mark + low
+
+        if self.low_mark == self.high_mark:
+            self.set_empty()
+
+    def clear_limits(self):
+        """Clear any existing limits."""
+        self.low_mark, self.high_mark = 0, None
+
+    @property
+    def is_sliced(self):
+        return self.low_mark != 0 or self.high_mark is not None
+
+    def has_limit_one(self):
+        return self.high_mark is not None and (self.high_mark - self.low_mark) == 1
+
+    def can_filter(self):
+        """
+        Return True if adding filters to this instance is still possible.
+
+        Typically, this means no limits or offsets have been put on the results.
+        """
+        return not self.is_sliced
+
+    def clear_select_clause(self):
+        """Remove all fields from SELECT clause."""
+        self.select = ()
+        self.default_cols = False
+        self.select_related = False
+        self.set_extra_mask(())
+        self.set_annotation_mask(())
+
+    def clear_select_fields(self):
+        """
+        Clear the list of fields to select (but not extra_select columns).
+        Some queryset types completely replace any existing list of select
+        columns.
+        """
+        self.select = ()
+        self.values_select = ()
+
+    def add_select_col(self, col, name):
+        self.select += (col,)
+        self.values_select += (name,)
+
+    def set_select(self, cols):
+        self.default_cols = False
+        self.select = tuple(cols)
+
+    def add_distinct_fields(self, *field_names):
+        """
+        Add and resolve the given fields to the query's "distinct on" clause.
+        """
+        self.distinct_fields = field_names
+        self.distinct = True
+
+    def add_fields(self, field_names, allow_m2m=True):
+        """
+        Add the given (model) fields to the select set. Add the field names in
+        the order specified.
+        """
+        alias = self.get_initial_alias()
+        opts = self.get_meta()
+
+        try:
+            cols = []
+            for name in field_names:
+                # Join promotion note - we must not remove any rows here, so
+                # if there is no existing joins, use outer join.
+                join_info = self.setup_joins(
+                    name.split(LOOKUP_SEP), opts, alias, allow_many=allow_m2m
+                )
+                targets, final_alias, joins = self.trim_joins(
+                    join_info.targets,
+                    join_info.joins,
+                    join_info.path,
+                )
+                for target in targets:
+                    cols.append(join_info.transform_function(target, final_alias))
+            if cols:
+                self.set_select(cols)
+        except MultiJoin:
+            raise FieldError("Invalid field name: '%s'" % name)
+        except FieldError:
+            if LOOKUP_SEP in name:
+                # For lookups spanning over relationships, show the error
+                # from the model on which the lookup failed.
+                raise
+            else:
+                names = sorted(
+                    [
+                        *get_field_names_from_opts(opts),
+                        *self.extra,
+                        *self.annotation_select,
+                        *self._filtered_relations,
+                    ]
+                )
+                raise FieldError(
+                    "Cannot resolve keyword %r into field. "
+                    "Choices are: %s" % (name, ", ".join(names))
+                )
+
+    def add_ordering(self, *ordering):
+        """
+        Add items from the 'ordering' sequence to the query's "order by"
+        clause. These items are either field names (not column names) --
+        possibly with a direction prefix ('-' or '?') -- or OrderBy
+        expressions.
+
+        If 'ordering' is empty, clear all ordering from the query.
+        """
+        errors = []
+        for item in ordering:
+            if isinstance(item, str):
+                if item == "?":
+                    continue
+                item = item.removeprefix("-")
+                if item in self.annotations:
+                    continue
+                if self.extra and item in self.extra:
+                    continue
+                # names_to_path() validates the lookup. A descriptive
+                # FieldError will be raise if it's not.
+                self.names_to_path(item.split(LOOKUP_SEP), self.model._meta)
+            elif not hasattr(item, "resolve_expression"):
+                errors.append(item)
+            if getattr(item, "contains_aggregate", False):
+                raise FieldError(
+                    "Using an aggregate in order_by() without also including "
+                    "it in annotate() is not allowed: %s" % item
+                )
+        if errors:
+            raise FieldError("Invalid order_by arguments: %s" % errors)
+        if ordering:
+            self.order_by += ordering
+        else:
+            self.default_ordering = False
+
+    def clear_ordering(self, force=False, clear_default=True):
+        """
+        Remove any ordering settings if the current query allows it without
+        side effects, set 'force' to True to clear the ordering regardless.
+        If 'clear_default' is True, there will be no ordering in the resulting
+        query (not even the model's default).
+        """
+        if not force and (
+            self.is_sliced or self.distinct_fields or self.select_for_update
+        ):
+            return
+        self.order_by = ()
+        self.extra_order_by = ()
+        if clear_default:
+            self.default_ordering = False
+
+    def set_group_by(self, allow_aliases=True):
+        """
+        Expand the GROUP BY clause required by the query.
+
+        This will usually be the set of all non-aggregate fields in the
+        return data. If the database backend supports grouping by the
+        primary key, and the query would be equivalent, the optimization
+        will be made automatically.
+        """
+        if allow_aliases and self.values_select:
+            # If grouping by aliases is allowed assign selected value aliases
+            # by moving them to annotations.
+            group_by_annotations = {}
+            values_select = {}
+            for alias, expr in zip(self.values_select, self.select):
+                if isinstance(expr, Col):
+                    values_select[alias] = expr
+                else:
+                    group_by_annotations[alias] = expr
+            self.annotations = {**group_by_annotations, **self.annotations}
+            self.append_annotation_mask(group_by_annotations)
+            self.select = tuple(values_select.values())
+            self.values_select = tuple(values_select)
+        group_by = list(self.select)
+        for alias, annotation in self.annotation_select.items():
+            if not (group_by_cols := annotation.get_group_by_cols()):
+                continue
+            if allow_aliases and not annotation.contains_aggregate:
+                group_by.append(Ref(alias, annotation))
+            else:
+                group_by.extend(group_by_cols)
+        self.group_by = tuple(group_by)
+
+    def add_select_related(self, fields):
+        """
+        Set up the select_related data structure so that we only select
+        certain related models (as opposed to all models, when
+        self.select_related=True).
+        """
+        if isinstance(self.select_related, bool):
+            field_dict = {}
+        else:
+            field_dict = self.select_related
+        for field in fields:
+            d = field_dict
+            for part in field.split(LOOKUP_SEP):
+                d = d.setdefault(part, {})
+        self.select_related = field_dict
+
+    def add_extra(self, select, select_params, where, params, tables, order_by):
+        """
+        Add data to the various extra_* attributes for user-created additions
+        to the query.
+        """
+        if select:
+            # We need to pair any placeholder markers in the 'select'
+            # dictionary with their parameters in 'select_params' so that
+            # subsequent updates to the select dictionary also adjust the
+            # parameters appropriately.
+            select_pairs = {}
+            if select_params:
+                param_iter = iter(select_params)
+            else:
+                param_iter = iter([])
+            for name, entry in select.items():
+                self.check_alias(name)
+                entry = str(entry)
+                entry_params = []
+                pos = entry.find("%s")
+                while pos != -1:
+                    if pos == 0 or entry[pos - 1] != "%":
+                        entry_params.append(next(param_iter))
+                    pos = entry.find("%s", pos + 2)
+                select_pairs[name] = (entry, entry_params)
+            self.extra.update(select_pairs)
+        if where or params:
+            self.where.add(ExtraWhere(where, params), AND)
+        if tables:
+            self.extra_tables += tuple(tables)
+        if order_by:
+            self.extra_order_by = order_by
+
+    def clear_deferred_loading(self):
+        """Remove any fields from the deferred loading set."""
+        self.deferred_loading = (frozenset(), True)
+
+    def add_deferred_loading(self, field_names):
+        """
+        Add the given list of model field names to the set of fields to
+        exclude from loading from the database when automatic column selection
+        is done. Add the new field names to any existing field names that
+        are deferred (or removed from any existing field names that are marked
+        as the only ones for immediate loading).
+        """
+        # Fields on related models are stored in the literal double-underscore
+        # format, so that we can use a set datastructure. We do the foo__bar
+        # splitting and handling when computing the SQL column names (as part of
+        # get_columns()).
+        existing, defer = self.deferred_loading
+        if defer:
+            # Add to existing deferred names.
+            self.deferred_loading = existing.union(field_names), True
+        else:
+            # Remove names from the set of any existing "immediate load" names.
+            if new_existing := existing.difference(field_names):
+                self.deferred_loading = new_existing, False
+            else:
+                self.clear_deferred_loading()
+                if new_only := set(field_names).difference(existing):
+                    self.deferred_loading = new_only, True
+
+    def add_immediate_loading(self, field_names):
+        """
+        Add the given list of model field names to the set of fields to
+        retrieve when the SQL is executed ("immediate loading" fields). The
+        field names replace any existing immediate loading field names. If
+        there are field names already specified for deferred loading, remove
+        those names from the new field_names before storing the new names
+        for immediate loading. (That is, immediate loading overrides any
+        existing immediate values, but respects existing deferrals.)
+        """
+        existing, defer = self.deferred_loading
+        field_names = set(field_names)
+        if "pk" in field_names:
+            field_names.remove("pk")
+            field_names.add(self.get_meta().pk.name)
+
+        if defer:
+            # Remove any existing deferred names from the current set before
+            # setting the new names.
+            self.deferred_loading = field_names.difference(existing), False
+        else:
+            # Replace any existing "immediate load" field names.
+            self.deferred_loading = frozenset(field_names), False
+
+    def set_annotation_mask(self, names):
+        """Set the mask of annotations that will be returned by the SELECT."""
+        if names is None:
+            self.annotation_select_mask = None
+        else:
+            self.annotation_select_mask = list(dict.fromkeys(names))
+        self._annotation_select_cache = None
+
+    def append_annotation_mask(self, names):
+        if self.annotation_select_mask is not None:
+            self.set_annotation_mask((*self.annotation_select_mask, *names))
+
+    def set_extra_mask(self, names):
+        """
+        Set the mask of extra select items that will be returned by SELECT.
+        Don't remove them from the Query since they might be used later.
+        """
+        if names is None:
+            self.extra_select_mask = None
+        else:
+            self.extra_select_mask = set(names)
+        self._extra_select_cache = None
+
+    def set_values(self, fields):
+        self.select_related = False
+        self.clear_deferred_loading()
+        self.clear_select_fields()
+        self.has_select_fields = True
+
+        if fields:
+            field_names = []
+            extra_names = []
+            annotation_names = []
+            if not self.extra and not self.annotations:
+                # Shortcut - if there are no extra or annotations, then
+                # the values() clause must be just field names.
+                field_names = list(fields)
+            else:
+                self.default_cols = False
+                for f in fields:
+                    if f in self.extra_select:
+                        extra_names.append(f)
+                    elif f in self.annotation_select:
+                        annotation_names.append(f)
+                    elif f in self.annotations:
+                        raise FieldError(
+                            f"Cannot select the '{f}' alias. Use annotate() to "
+                            "promote it."
+                        )
+                    else:
+                        # Call `names_to_path` to ensure a FieldError including
+                        # annotations about to be masked as valid choices if
+                        # `f` is not resolvable.
+                        if self.annotation_select:
+                            self.names_to_path(f.split(LOOKUP_SEP), self.model._meta)
+                        field_names.append(f)
+            self.set_extra_mask(extra_names)
+            self.set_annotation_mask(annotation_names)
+            selected = frozenset(field_names + extra_names + annotation_names)
+        else:
+            field_names = [f.attname for f in self.model._meta.concrete_fields]
+            selected = frozenset(field_names)
+        # Selected annotations must be known before setting the GROUP BY
+        # clause.
+        if self.group_by is True:
+            self.add_fields(
+                (f.attname for f in self.model._meta.concrete_fields), False
+            )
+            # Disable GROUP BY aliases to avoid orphaning references to the
+            # SELECT clause which is about to be cleared.
+            self.set_group_by(allow_aliases=False)
+            self.clear_select_fields()
+        elif self.group_by:
+            # Resolve GROUP BY annotation references if they are not part of
+            # the selected fields anymore.
+            group_by = []
+            for expr in self.group_by:
+                if isinstance(expr, Ref) and expr.refs not in selected:
+                    expr = self.annotations[expr.refs]
+                group_by.append(expr)
+            self.group_by = tuple(group_by)
+
+        self.values_select = tuple(field_names)
+        self.add_fields(field_names, True)
+
+    @property
+    def annotation_select(self):
+        """
+        Return the dictionary of aggregate columns that are not masked and
+        should be used in the SELECT clause. Cache this result for performance.
+        """
+        if self._annotation_select_cache is not None:
+            return self._annotation_select_cache
+        elif not self.annotations:
+            return {}
+        elif self.annotation_select_mask is not None:
+            self._annotation_select_cache = {
+                k: self.annotations[k]
+                for k in self.annotation_select_mask
+                if k in self.annotations
+            }
+            return self._annotation_select_cache
+        else:
+            return self.annotations
+
+    @property
+    def extra_select(self):
+        if self._extra_select_cache is not None:
+            return self._extra_select_cache
+        if not self.extra:
+            return {}
+        elif self.extra_select_mask is not None:
+            self._extra_select_cache = {
+                k: v for k, v in self.extra.items() if k in self.extra_select_mask
+            }
+            return self._extra_select_cache
+        else:
+            return self.extra
+
+    def trim_start(self, names_with_path):
+        """
+        Trim joins from the start of the join path. The candidates for trim
+        are the PathInfos in names_with_path structure that are m2m joins.
+
+        Also set the select column so the start matches the join.
+
+        This method is meant to be used for generating the subquery joins &
+        cols in split_exclude().
+
+        Return a lookup usable for doing outerq.filter(lookup=self) and a
+        boolean indicating if the joins in the prefix contain a LEFT OUTER join.
+        _"""
+        all_paths = []
+        for _, paths in names_with_path:
+            all_paths.extend(paths)
+        contains_louter = False
+        # Trim and operate only on tables that were generated for
+        # the lookup part of the query. That is, avoid trimming
+        # joins generated for F() expressions.
+        lookup_tables = [
+            t for t in self.alias_map if t in self._lookup_joins or t == self.base_table
+        ]
+        for trimmed_paths, path in enumerate(all_paths):
+            if path.m2m:
+                break
+            if self.alias_map[lookup_tables[trimmed_paths + 1]].join_type == LOUTER:
+                contains_louter = True
+            alias = lookup_tables[trimmed_paths]
+            self.unref_alias(alias)
+        # The path.join_field is a Rel, lets get the other side's field
+        join_field = path.join_field.field
+        # Build the filter prefix.
+        paths_in_prefix = trimmed_paths
+        trimmed_prefix = []
+        for name, path in names_with_path:
+            if paths_in_prefix - len(path) < 0:
+                break
+            trimmed_prefix.append(name)
+            paths_in_prefix -= len(path)
+        trimmed_prefix.append(join_field.foreign_related_fields[0].name)
+        trimmed_prefix = LOOKUP_SEP.join(trimmed_prefix)
+        # Lets still see if we can trim the first join from the inner query
+        # (that is, self). We can't do this for:
+        # - LEFT JOINs because we would miss those rows that have nothing on
+        #   the outer side,
+        # - INNER JOINs from filtered relations because we would miss their
+        #   filters.
+        first_join = self.alias_map[lookup_tables[trimmed_paths + 1]]
+        if first_join.join_type != LOUTER and not first_join.filtered_relation:
+            select_fields = [r[0] for r in join_field.related_fields]
+            select_alias = lookup_tables[trimmed_paths + 1]
+            self.unref_alias(lookup_tables[trimmed_paths])
+            extra_restriction = join_field.get_extra_restriction(
+                None, lookup_tables[trimmed_paths + 1]
+            )
+            if extra_restriction:
+                self.where.add(extra_restriction, AND)
+        else:
+            # TODO: It might be possible to trim more joins from the start of the
+            # inner query if it happens to have a longer join chain containing the
+            # values in select_fields. Lets punt this one for now.
+            select_fields = [r[1] for r in join_field.related_fields]
+            select_alias = lookup_tables[trimmed_paths]
+        # The found starting point is likely a join_class instead of a
+        # base_table_class reference. But the first entry in the query's FROM
+        # clause must not be a JOIN.
+        for table in self.alias_map:
+            if self.alias_refcount[table] > 0:
+                self.alias_map[table] = self.base_table_class(
+                    self.alias_map[table].table_name,
+                    table,
+                )
+                break
+        self.set_select([f.get_col(select_alias) for f in select_fields])
+        return trimmed_prefix, contains_louter
+
+    def is_nullable(self, field):
+        """
+        Check if the given field should be treated as nullable.
+
+        Some backends treat '' as null and Django treats such fields as
+        nullable for those backends. In such situations field.null can be
+        False even if we should treat the field as nullable.
+        """
+        # We need to use DEFAULT_DB_ALIAS here, as QuerySet does not have
+        # (nor should it have) knowledge of which connection is going to be
+        # used. The proper fix would be to defer all decisions where
+        # is_nullable() is needed to the compiler stage, but that is not easy
+        # to do currently.
+        return field.null or (
+            field.empty_strings_allowed
+            and connections[DEFAULT_DB_ALIAS].features.interprets_empty_strings_as_nulls
+        )
+
+
+def get_order_dir(field, default="ASC"):
+    """
+    Return the field name and direction for an order specification. For
+    example, '-foo' is returned as ('foo', 'DESC').
+
+    The 'default' param is used to indicate which way no prefix (or a '+'
+    prefix) should sort. The '-' prefix always sorts the opposite way.
+    """
+    dirn = ORDER_DIR[default]
+    if field[0] == "-":
+        return field[1:], dirn[1]
+    return field, dirn[0]
+
+
+class JoinPromoter:
+    """
+    A class to abstract away join promotion problems for complex filter
+    conditions.
+    """
+
+    def __init__(self, connector, num_children, negated):
+        self.connector = connector
+        self.negated = negated
+        if self.negated:
+            if connector == AND:
+                self.effective_connector = OR
+            else:
+                self.effective_connector = AND
+        else:
+            self.effective_connector = self.connector
+        self.num_children = num_children
+        # Maps of table alias to how many times it is seen as required for
+        # inner and/or outer joins.
+        self.votes = Counter()
+
+    def __repr__(self):
+        return (
+            f"{self.__class__.__qualname__}(connector={self.connector!r}, "
+            f"num_children={self.num_children!r}, negated={self.negated!r})"
+        )
+
+    def add_votes(self, votes):
+        """
+        Add single vote per item to self.votes. Parameter can be any
+        iterable.
+        """
+        self.votes.update(votes)
+
+    def update_join_types(self, query):
+        """
+        Change join types so that the generated query is as efficient as
+        possible, but still correct. So, change as many joins as possible
+        to INNER, but don't make OUTER joins INNER if that could remove
+        results from the query.
+        """
+        to_promote = set()
+        to_demote = set()
+        # The effective_connector is used so that NOT (a AND b) is treated
+        # similarly to (a OR b) for join promotion.
+        for table, votes in self.votes.items():
+            # We must use outer joins in OR case when the join isn't contained
+            # in all of the joins. Otherwise the INNER JOIN itself could remove
+            # valid results. Consider the case where a model with rel_a and
+            # rel_b relations is queried with rel_a__col=1 | rel_b__col=2. Now,
+            # if rel_a join doesn't produce any results is null (for example
+            # reverse foreign key or null value in direct foreign key), and
+            # there is a matching row in rel_b with col=2, then an INNER join
+            # to rel_a would remove a valid match from the query. So, we need
+            # to promote any existing INNER to LOUTER (it is possible this
+            # promotion in turn will be demoted later on).
+            if self.effective_connector == OR and votes < self.num_children:
+                to_promote.add(table)
+            # If connector is AND and there is a filter that can match only
+            # when there is a joinable row, then use INNER. For example, in
+            # rel_a__col=1 & rel_b__col=2, if either of the rels produce NULL
+            # as join output, then the col=1 or col=2 can't match (as
+            # NULL=anything is always false).
+            # For the OR case, if all children voted for a join to be inner,
+            # then we can use INNER for the join. For example:
+            #     (rel_a__col__icontains=Alex | rel_a__col__icontains=Russell)
+            # then if rel_a doesn't produce any rows, the whole condition
+            # can't match. Hence we can safely use INNER join.
+            if self.effective_connector == AND or (
+                self.effective_connector == OR and votes == self.num_children
+            ):
+                to_demote.add(table)
+            # Finally, what happens in cases where we have:
+            #    (rel_a__col=1|rel_b__col=2) & rel_a__col__gte=0
+            # Now, we first generate the OR clause, and promote joins for it
+            # in the first if branch above. Both rel_a and rel_b are promoted
+            # to LOUTER joins. After that we do the AND case. The OR case
+            # voted no inner joins but the rel_a__col__gte=0 votes inner join
+            # for rel_a. We demote it back to INNER join (in AND case a single
+            # vote is enough). The demotion is OK, if rel_a doesn't produce
+            # rows, then the rel_a__col__gte=0 clause can't be true, and thus
+            # the whole clause must be false. So, it is safe to use INNER
+            # join.
+            # Note that in this example we could just as well have the __gte
+            # clause and the OR clause swapped. Or we could replace the __gte
+            # clause with an OR clause containing rel_a__col=1|rel_a__col=2,
+            # and again we could safely demote to INNER.
+        query.promote_joins(to_promote)
+        query.demote_joins(to_demote)
+        return to_demote
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/subqueries.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/subqueries.py
new file mode 100644
index 00000000..f639eb8b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/subqueries.py
@@ -0,0 +1,174 @@
+"""
+Query subclasses which provide extra functionality beyond simple data retrieval.
+"""
+
+from django.core.exceptions import FieldError
+from django.db.models.sql.constants import CURSOR, GET_ITERATOR_CHUNK_SIZE, NO_RESULTS
+from django.db.models.sql.query import Query
+
+__all__ = ["DeleteQuery", "UpdateQuery", "InsertQuery", "AggregateQuery"]
+
+
+class DeleteQuery(Query):
+    """A DELETE SQL query."""
+
+    compiler = "SQLDeleteCompiler"
+
+    def do_query(self, table, where, using):
+        self.alias_map = {table: self.alias_map[table]}
+        self.where = where
+        cursor = self.get_compiler(using).execute_sql(CURSOR)
+        if cursor:
+            with cursor:
+                return cursor.rowcount
+        return 0
+
+    def delete_batch(self, pk_list, using):
+        """
+        Set up and execute delete queries for all the objects in pk_list.
+
+        More than one physical query may be executed if there are a
+        lot of values in pk_list.
+        """
+        # number of objects deleted
+        num_deleted = 0
+        field = self.get_meta().pk
+        for offset in range(0, len(pk_list), GET_ITERATOR_CHUNK_SIZE):
+            self.clear_where()
+            self.add_filter(
+                f"{field.attname}__in",
+                pk_list[offset : offset + GET_ITERATOR_CHUNK_SIZE],
+            )
+            num_deleted += self.do_query(
+                self.get_meta().db_table, self.where, using=using
+            )
+        return num_deleted
+
+
+class UpdateQuery(Query):
+    """An UPDATE SQL query."""
+
+    compiler = "SQLUpdateCompiler"
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self._setup_query()
+
+    def _setup_query(self):
+        """
+        Run on initialization and at the end of chaining. Any attributes that
+        would normally be set in __init__() should go here instead.
+        """
+        self.values = []
+        self.related_ids = None
+        self.related_updates = {}
+
+    def clone(self):
+        obj = super().clone()
+        obj.related_updates = self.related_updates.copy()
+        return obj
+
+    def update_batch(self, pk_list, values, using):
+        self.add_update_values(values)
+        for offset in range(0, len(pk_list), GET_ITERATOR_CHUNK_SIZE):
+            self.clear_where()
+            self.add_filter(
+                "pk__in", pk_list[offset : offset + GET_ITERATOR_CHUNK_SIZE]
+            )
+            self.get_compiler(using).execute_sql(NO_RESULTS)
+
+    def add_update_values(self, values):
+        """
+        Convert a dictionary of field name to value mappings into an update
+        query. This is the entry point for the public update() method on
+        querysets.
+        """
+        values_seq = []
+        for name, val in values.items():
+            field = self.get_meta().get_field(name)
+            direct = (
+                not (field.auto_created and not field.concrete) or not field.concrete
+            )
+            model = field.model._meta.concrete_model
+            if not direct or (field.is_relation and field.many_to_many):
+                raise FieldError(
+                    "Cannot update model field %r (only non-relations and "
+                    "foreign keys permitted)." % field
+                )
+            if model is not self.get_meta().concrete_model:
+                self.add_related_update(model, field, val)
+                continue
+            values_seq.append((field, model, val))
+        return self.add_update_fields(values_seq)
+
+    def add_update_fields(self, values_seq):
+        """
+        Append a sequence of (field, model, value) triples to the internal list
+        that will be used to generate the UPDATE query. Might be more usefully
+        called add_update_targets() to hint at the extra information here.
+        """
+        for field, model, val in values_seq:
+            # Omit generated fields.
+            if field.generated:
+                continue
+            if hasattr(val, "resolve_expression"):
+                # Resolve expressions here so that annotations are no longer needed
+                val = val.resolve_expression(self, allow_joins=False, for_save=True)
+            self.values.append((field, model, val))
+
+    def add_related_update(self, model, field, value):
+        """
+        Add (name, value) to an update query for an ancestor model.
+
+        Update are coalesced so that only one update query per ancestor is run.
+        """
+        self.related_updates.setdefault(model, []).append((field, None, value))
+
+    def get_related_updates(self):
+        """
+        Return a list of query objects: one for each update required to an
+        ancestor model. Each query will have the same filtering conditions as
+        the current query but will only update a single table.
+        """
+        if not self.related_updates:
+            return []
+        result = []
+        for model, values in self.related_updates.items():
+            query = UpdateQuery(model)
+            query.values = values
+            if self.related_ids is not None:
+                query.add_filter("pk__in", self.related_ids[model])
+            result.append(query)
+        return result
+
+
+class InsertQuery(Query):
+    compiler = "SQLInsertCompiler"
+
+    def __init__(
+        self, *args, on_conflict=None, update_fields=None, unique_fields=None, **kwargs
+    ):
+        super().__init__(*args, **kwargs)
+        self.fields = []
+        self.objs = []
+        self.on_conflict = on_conflict
+        self.update_fields = update_fields or []
+        self.unique_fields = unique_fields or []
+
+    def insert_values(self, fields, objs, raw=False):
+        self.fields = fields
+        self.objs = objs
+        self.raw = raw
+
+
+class AggregateQuery(Query):
+    """
+    Take another query as a parameter to the FROM clause and only select the
+    elements in the provided list.
+    """
+
+    compiler = "SQLAggregateCompiler"
+
+    def __init__(self, model, inner_query):
+        self.inner_query = inner_query
+        super().__init__(model)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/where.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/where.py
new file mode 100644
index 00000000..9c5740c2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/sql/where.py
@@ -0,0 +1,361 @@
+"""
+Code to manage the creation and SQL rendering of 'where' constraints.
+"""
+
+import operator
+from functools import reduce
+
+from django.core.exceptions import EmptyResultSet, FullResultSet
+from django.db.models.expressions import Case, When
+from django.db.models.functions import Mod
+from django.db.models.lookups import Exact
+from django.utils import tree
+from django.utils.functional import cached_property
+
+# Connection types
+AND = "AND"
+OR = "OR"
+XOR = "XOR"
+
+
+class WhereNode(tree.Node):
+    """
+    An SQL WHERE clause.
+
+    The class is tied to the Query class that created it (in order to create
+    the correct SQL).
+
+    A child is usually an expression producing boolean values. Most likely the
+    expression is a Lookup instance.
+
+    However, a child could also be any class with as_sql() and either
+    relabeled_clone() method or relabel_aliases() and clone() methods and
+    contains_aggregate attribute.
+    """
+
+    default = AND
+    resolved = False
+    conditional = True
+
+    def split_having_qualify(self, negated=False, must_group_by=False):
+        """
+        Return three possibly None nodes: one for those parts of self that
+        should be included in the WHERE clause, one for those parts of self
+        that must be included in the HAVING clause, and one for those parts
+        that refer to window functions.
+        """
+        if not self.contains_aggregate and not self.contains_over_clause:
+            return self, None, None
+        in_negated = negated ^ self.negated
+        # Whether or not children must be connected in the same filtering
+        # clause (WHERE > HAVING > QUALIFY) to maintain logical semantic.
+        must_remain_connected = (
+            (in_negated and self.connector == AND)
+            or (not in_negated and self.connector == OR)
+            or self.connector == XOR
+        )
+        if (
+            must_remain_connected
+            and self.contains_aggregate
+            and not self.contains_over_clause
+        ):
+            # It's must cheaper to short-circuit and stash everything in the
+            # HAVING clause than split children if possible.
+            return None, self, None
+        where_parts = []
+        having_parts = []
+        qualify_parts = []
+        for c in self.children:
+            if hasattr(c, "split_having_qualify"):
+                where_part, having_part, qualify_part = c.split_having_qualify(
+                    in_negated, must_group_by
+                )
+                if where_part is not None:
+                    where_parts.append(where_part)
+                if having_part is not None:
+                    having_parts.append(having_part)
+                if qualify_part is not None:
+                    qualify_parts.append(qualify_part)
+            elif c.contains_over_clause:
+                qualify_parts.append(c)
+            elif c.contains_aggregate:
+                having_parts.append(c)
+            else:
+                where_parts.append(c)
+        if must_remain_connected and qualify_parts:
+            # Disjunctive heterogeneous predicates can be pushed down to
+            # qualify as long as no conditional aggregation is involved.
+            if not where_parts or (where_parts and not must_group_by):
+                return None, None, self
+            elif where_parts:
+                # In theory this should only be enforced when dealing with
+                # where_parts containing predicates against multi-valued
+                # relationships that could affect aggregation results but this
+                # is complex to infer properly.
+                raise NotImplementedError(
+                    "Heterogeneous disjunctive predicates against window functions are "
+                    "not implemented when performing conditional aggregation."
+                )
+        where_node = (
+            self.create(where_parts, self.connector, self.negated)
+            if where_parts
+            else None
+        )
+        having_node = (
+            self.create(having_parts, self.connector, self.negated)
+            if having_parts
+            else None
+        )
+        qualify_node = (
+            self.create(qualify_parts, self.connector, self.negated)
+            if qualify_parts
+            else None
+        )
+        return where_node, having_node, qualify_node
+
+    def as_sql(self, compiler, connection):
+        """
+        Return the SQL version of the where clause and the value to be
+        substituted in. Return '', [] if this node matches everything,
+        None, [] if this node is empty, and raise EmptyResultSet if this
+        node can't match anything.
+        """
+        result = []
+        result_params = []
+        if self.connector == AND:
+            full_needed, empty_needed = len(self.children), 1
+        else:
+            full_needed, empty_needed = 1, len(self.children)
+
+        if self.connector == XOR and not connection.features.supports_logical_xor:
+            # Convert if the database doesn't support XOR:
+            #   a XOR b XOR c XOR ...
+            # to:
+            #   (a OR b OR c OR ...) AND MOD(a + b + c + ..., 2) == 1
+            # The result of an n-ary XOR is true when an odd number of operands
+            # are true.
+            lhs = self.__class__(self.children, OR)
+            rhs_sum = reduce(
+                operator.add,
+                (Case(When(c, then=1), default=0) for c in self.children),
+            )
+            if len(self.children) > 2:
+                rhs_sum = Mod(rhs_sum, 2)
+            rhs = Exact(1, rhs_sum)
+            return self.__class__([lhs, rhs], AND, self.negated).as_sql(
+                compiler, connection
+            )
+
+        for child in self.children:
+            try:
+                sql, params = compiler.compile(child)
+            except EmptyResultSet:
+                empty_needed -= 1
+            except FullResultSet:
+                full_needed -= 1
+            else:
+                if sql:
+                    result.append(sql)
+                    result_params.extend(params)
+                else:
+                    full_needed -= 1
+            # Check if this node matches nothing or everything.
+            # First check the amount of full nodes and empty nodes
+            # to make this node empty/full.
+            # Now, check if this node is full/empty using the
+            # counts.
+            if empty_needed == 0:
+                if self.negated:
+                    raise FullResultSet
+                else:
+                    raise EmptyResultSet
+            if full_needed == 0:
+                if self.negated:
+                    raise EmptyResultSet
+                else:
+                    raise FullResultSet
+        conn = " %s " % self.connector
+        sql_string = conn.join(result)
+        if not sql_string:
+            raise FullResultSet
+        if self.negated:
+            # Some backends (Oracle at least) need parentheses around the inner
+            # SQL in the negated case, even if the inner SQL contains just a
+            # single expression.
+            sql_string = "NOT (%s)" % sql_string
+        elif len(result) > 1 or self.resolved:
+            sql_string = "(%s)" % sql_string
+        return sql_string, result_params
+
+    def get_group_by_cols(self):
+        cols = []
+        for child in self.children:
+            cols.extend(child.get_group_by_cols())
+        return cols
+
+    def get_source_expressions(self):
+        return self.children[:]
+
+    def set_source_expressions(self, children):
+        assert len(children) == len(self.children)
+        self.children = children
+
+    def relabel_aliases(self, change_map):
+        """
+        Relabel the alias values of any children. 'change_map' is a dictionary
+        mapping old (current) alias values to the new values.
+        """
+        for pos, child in enumerate(self.children):
+            if hasattr(child, "relabel_aliases"):
+                # For example another WhereNode
+                child.relabel_aliases(change_map)
+            elif hasattr(child, "relabeled_clone"):
+                self.children[pos] = child.relabeled_clone(change_map)
+
+    def clone(self):
+        clone = self.create(connector=self.connector, negated=self.negated)
+        for child in self.children:
+            if hasattr(child, "clone"):
+                child = child.clone()
+            clone.children.append(child)
+        return clone
+
+    def relabeled_clone(self, change_map):
+        clone = self.clone()
+        clone.relabel_aliases(change_map)
+        return clone
+
+    def replace_expressions(self, replacements):
+        if replacement := replacements.get(self):
+            return replacement
+        clone = self.create(connector=self.connector, negated=self.negated)
+        for child in self.children:
+            clone.children.append(child.replace_expressions(replacements))
+        return clone
+
+    def get_refs(self):
+        refs = set()
+        for child in self.children:
+            refs |= child.get_refs()
+        return refs
+
+    @classmethod
+    def _contains_aggregate(cls, obj):
+        if isinstance(obj, tree.Node):
+            return any(cls._contains_aggregate(c) for c in obj.children)
+        return obj.contains_aggregate
+
+    @cached_property
+    def contains_aggregate(self):
+        return self._contains_aggregate(self)
+
+    @classmethod
+    def _contains_over_clause(cls, obj):
+        if isinstance(obj, tree.Node):
+            return any(cls._contains_over_clause(c) for c in obj.children)
+        return obj.contains_over_clause
+
+    @cached_property
+    def contains_over_clause(self):
+        return self._contains_over_clause(self)
+
+    @property
+    def is_summary(self):
+        return any(child.is_summary for child in self.children)
+
+    @staticmethod
+    def _resolve_leaf(expr, query, *args, **kwargs):
+        if hasattr(expr, "resolve_expression"):
+            expr = expr.resolve_expression(query, *args, **kwargs)
+        return expr
+
+    @classmethod
+    def _resolve_node(cls, node, query, *args, **kwargs):
+        if hasattr(node, "children"):
+            for child in node.children:
+                cls._resolve_node(child, query, *args, **kwargs)
+        if hasattr(node, "lhs"):
+            node.lhs = cls._resolve_leaf(node.lhs, query, *args, **kwargs)
+        if hasattr(node, "rhs"):
+            node.rhs = cls._resolve_leaf(node.rhs, query, *args, **kwargs)
+
+    def resolve_expression(self, *args, **kwargs):
+        clone = self.clone()
+        clone._resolve_node(clone, *args, **kwargs)
+        clone.resolved = True
+        return clone
+
+    @cached_property
+    def output_field(self):
+        from django.db.models import BooleanField
+
+        return BooleanField()
+
+    @property
+    def _output_field_or_none(self):
+        return self.output_field
+
+    def select_format(self, compiler, sql, params):
+        # Wrap filters with a CASE WHEN expression if a database backend
+        # (e.g. Oracle) doesn't support boolean expression in SELECT or GROUP
+        # BY list.
+        if not compiler.connection.features.supports_boolean_expr_in_select_clause:
+            sql = f"CASE WHEN {sql} THEN 1 ELSE 0 END"
+        return sql, params
+
+    def get_db_converters(self, connection):
+        return self.output_field.get_db_converters(connection)
+
+    def get_lookup(self, lookup):
+        return self.output_field.get_lookup(lookup)
+
+    def leaves(self):
+        for child in self.children:
+            if isinstance(child, WhereNode):
+                yield from child.leaves()
+            else:
+                yield child
+
+
+class NothingNode:
+    """A node that matches nothing."""
+
+    contains_aggregate = False
+    contains_over_clause = False
+
+    def as_sql(self, compiler=None, connection=None):
+        raise EmptyResultSet
+
+
+class ExtraWhere:
+    # The contents are a black box - assume no aggregates or windows are used.
+    contains_aggregate = False
+    contains_over_clause = False
+
+    def __init__(self, sqls, params):
+        self.sqls = sqls
+        self.params = params
+
+    def as_sql(self, compiler=None, connection=None):
+        sqls = ["(%s)" % sql for sql in self.sqls]
+        return " AND ".join(sqls), list(self.params or ())
+
+
+class SubqueryConstraint:
+    # Even if aggregates or windows would be used in a subquery,
+    # the outer query isn't interested about those.
+    contains_aggregate = False
+    contains_over_clause = False
+
+    def __init__(self, alias, columns, targets, query_object):
+        self.alias = alias
+        self.columns = columns
+        self.targets = targets
+        query_object.clear_ordering(clear_default=True)
+        self.query_object = query_object
+
+    def as_sql(self, compiler, connection):
+        query = self.query_object
+        query.set_values(self.targets)
+        query_compiler = query.get_compiler(connection=connection)
+        return query_compiler.as_subquery_condition(self.alias, self.columns, compiler)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/utils.py
new file mode 100644
index 00000000..c6cb5ef1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/models/utils.py
@@ -0,0 +1,69 @@
+import functools
+from collections import namedtuple
+
+
+def make_model_tuple(model):
+    """
+    Take a model or a string of the form "app_label.ModelName" and return a
+    corresponding ("app_label", "modelname") tuple. If a tuple is passed in,
+    assume it's a valid model tuple already and return it unchanged.
+    """
+    try:
+        if isinstance(model, tuple):
+            model_tuple = model
+        elif isinstance(model, str):
+            app_label, model_name = model.split(".")
+            model_tuple = app_label, model_name.lower()
+        else:
+            model_tuple = model._meta.app_label, model._meta.model_name
+        assert len(model_tuple) == 2
+        return model_tuple
+    except (ValueError, AssertionError):
+        raise ValueError(
+            "Invalid model reference '%s'. String model references "
+            "must be of the form 'app_label.ModelName'." % model
+        )
+
+
+def resolve_callables(mapping):
+    """
+    Generate key/value pairs for the given mapping where the values are
+    evaluated if they're callable.
+    """
+    for k, v in mapping.items():
+        yield k, v() if callable(v) else v
+
+
+def unpickle_named_row(names, values):
+    return create_namedtuple_class(*names)(*values)
+
+
+@functools.lru_cache
+def create_namedtuple_class(*names):
+    # Cache type() with @lru_cache since it's too slow to be called for every
+    # QuerySet evaluation.
+    def __reduce__(self):
+        return unpickle_named_row, (names, tuple(self))
+
+    return type(
+        "Row",
+        (namedtuple("Row", names),),
+        {"__reduce__": __reduce__, "__slots__": ()},
+    )
+
+
+class AltersData:
+    """
+    Make subclasses preserve the alters_data attribute on overridden methods.
+    """
+
+    def __init_subclass__(cls, **kwargs):
+        for fn_name, fn in vars(cls).items():
+            if callable(fn) and not hasattr(fn, "alters_data"):
+                for base in cls.__bases__:
+                    if base_fn := getattr(base, fn_name, None):
+                        if hasattr(base_fn, "alters_data"):
+                            fn.alters_data = base_fn.alters_data
+                        break
+
+        super().__init_subclass__(**kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/transaction.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/transaction.py
new file mode 100644
index 00000000..4150cbcb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/transaction.py
@@ -0,0 +1,340 @@
+from contextlib import ContextDecorator, contextmanager
+
+from django.db import (
+    DEFAULT_DB_ALIAS,
+    DatabaseError,
+    Error,
+    ProgrammingError,
+    connections,
+)
+
+
+class TransactionManagementError(ProgrammingError):
+    """Transaction management is used improperly."""
+
+    pass
+
+
+def get_connection(using=None):
+    """
+    Get a database connection by name, or the default database connection
+    if no name is provided. This is a private API.
+    """
+    if using is None:
+        using = DEFAULT_DB_ALIAS
+    return connections[using]
+
+
+def get_autocommit(using=None):
+    """Get the autocommit status of the connection."""
+    return get_connection(using).get_autocommit()
+
+
+def set_autocommit(autocommit, using=None):
+    """Set the autocommit status of the connection."""
+    return get_connection(using).set_autocommit(autocommit)
+
+
+def commit(using=None):
+    """Commit a transaction."""
+    get_connection(using).commit()
+
+
+def rollback(using=None):
+    """Roll back a transaction."""
+    get_connection(using).rollback()
+
+
+def savepoint(using=None):
+    """
+    Create a savepoint (if supported and required by the backend) inside the
+    current transaction. Return an identifier for the savepoint that will be
+    used for the subsequent rollback or commit.
+    """
+    return get_connection(using).savepoint()
+
+
+def savepoint_rollback(sid, using=None):
+    """
+    Roll back the most recent savepoint (if one exists). Do nothing if
+    savepoints are not supported.
+    """
+    get_connection(using).savepoint_rollback(sid)
+
+
+def savepoint_commit(sid, using=None):
+    """
+    Commit the most recent savepoint (if one exists). Do nothing if
+    savepoints are not supported.
+    """
+    get_connection(using).savepoint_commit(sid)
+
+
+def clean_savepoints(using=None):
+    """
+    Reset the counter used to generate unique savepoint ids in this thread.
+    """
+    get_connection(using).clean_savepoints()
+
+
+def get_rollback(using=None):
+    """Get the "needs rollback" flag -- for *advanced use* only."""
+    return get_connection(using).get_rollback()
+
+
+def set_rollback(rollback, using=None):
+    """
+    Set or unset the "needs rollback" flag -- for *advanced use* only.
+
+    When `rollback` is `True`, trigger a rollback when exiting the innermost
+    enclosing atomic block that has `savepoint=True` (that's the default). Use
+    this to force a rollback without raising an exception.
+
+    When `rollback` is `False`, prevent such a rollback. Use this only after
+    rolling back to a known-good state! Otherwise, you break the atomic block
+    and data corruption may occur.
+    """
+    return get_connection(using).set_rollback(rollback)
+
+
+@contextmanager
+def mark_for_rollback_on_error(using=None):
+    """
+    Internal low-level utility to mark a transaction as "needs rollback" when
+    an exception is raised while not enforcing the enclosed block to be in a
+    transaction. This is needed by Model.save() and friends to avoid starting a
+    transaction when in autocommit mode and a single query is executed.
+
+    It's equivalent to:
+
+        connection = get_connection(using)
+        if connection.get_autocommit():
+            yield
+        else:
+            with transaction.atomic(using=using, savepoint=False):
+                yield
+
+    but it uses low-level utilities to avoid performance overhead.
+    """
+    try:
+        yield
+    except Exception as exc:
+        connection = get_connection(using)
+        if connection.in_atomic_block:
+            connection.needs_rollback = True
+            connection.rollback_exc = exc
+        raise
+
+
+def on_commit(func, using=None, robust=False):
+    """
+    Register `func` to be called when the current transaction is committed.
+    If the current transaction is rolled back, `func` will not be called.
+    """
+    get_connection(using).on_commit(func, robust)
+
+
+#################################
+# Decorators / context managers #
+#################################
+
+
+class Atomic(ContextDecorator):
+    """
+    Guarantee the atomic execution of a given block.
+
+    An instance can be used either as a decorator or as a context manager.
+
+    When it's used as a decorator, __call__ wraps the execution of the
+    decorated function in the instance itself, used as a context manager.
+
+    When it's used as a context manager, __enter__ creates a transaction or a
+    savepoint, depending on whether a transaction is already in progress, and
+    __exit__ commits the transaction or releases the savepoint on normal exit,
+    and rolls back the transaction or to the savepoint on exceptions.
+
+    It's possible to disable the creation of savepoints if the goal is to
+    ensure that some code runs within a transaction without creating overhead.
+
+    A stack of savepoints identifiers is maintained as an attribute of the
+    connection. None denotes the absence of a savepoint.
+
+    This allows reentrancy even if the same AtomicWrapper is reused. For
+    example, it's possible to define `oa = atomic('other')` and use `@oa` or
+    `with oa:` multiple times.
+
+    Since database connections are thread-local, this is thread-safe.
+
+    An atomic block can be tagged as durable. In this case, raise a
+    RuntimeError if it's nested within another atomic block. This guarantees
+    that database changes in a durable block are committed to the database when
+    the block exists without error.
+
+    This is a private API.
+    """
+
+    def __init__(self, using, savepoint, durable):
+        self.using = using
+        self.savepoint = savepoint
+        self.durable = durable
+        self._from_testcase = False
+
+    def __enter__(self):
+        connection = get_connection(self.using)
+
+        if (
+            self.durable
+            and connection.atomic_blocks
+            and not connection.atomic_blocks[-1]._from_testcase
+        ):
+            raise RuntimeError(
+                "A durable atomic block cannot be nested within another "
+                "atomic block."
+            )
+        if not connection.in_atomic_block:
+            # Reset state when entering an outermost atomic block.
+            connection.commit_on_exit = True
+            connection.needs_rollback = False
+            if not connection.get_autocommit():
+                # Pretend we're already in an atomic block to bypass the code
+                # that disables autocommit to enter a transaction, and make a
+                # note to deal with this case in __exit__.
+                connection.in_atomic_block = True
+                connection.commit_on_exit = False
+
+        if connection.in_atomic_block:
+            # We're already in a transaction; create a savepoint, unless we
+            # were told not to or we're already waiting for a rollback. The
+            # second condition avoids creating useless savepoints and prevents
+            # overwriting needs_rollback until the rollback is performed.
+            if self.savepoint and not connection.needs_rollback:
+                sid = connection.savepoint()
+                connection.savepoint_ids.append(sid)
+            else:
+                connection.savepoint_ids.append(None)
+        else:
+            connection.set_autocommit(
+                False, force_begin_transaction_with_broken_autocommit=True
+            )
+            connection.in_atomic_block = True
+
+        if connection.in_atomic_block:
+            connection.atomic_blocks.append(self)
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        connection = get_connection(self.using)
+
+        if connection.in_atomic_block:
+            connection.atomic_blocks.pop()
+
+        if connection.savepoint_ids:
+            sid = connection.savepoint_ids.pop()
+        else:
+            # Prematurely unset this flag to allow using commit or rollback.
+            connection.in_atomic_block = False
+
+        try:
+            if connection.closed_in_transaction:
+                # The database will perform a rollback by itself.
+                # Wait until we exit the outermost block.
+                pass
+
+            elif exc_type is None and not connection.needs_rollback:
+                if connection.in_atomic_block:
+                    # Release savepoint if there is one
+                    if sid is not None:
+                        try:
+                            connection.savepoint_commit(sid)
+                        except DatabaseError:
+                            try:
+                                connection.savepoint_rollback(sid)
+                                # The savepoint won't be reused. Release it to
+                                # minimize overhead for the database server.
+                                connection.savepoint_commit(sid)
+                            except Error:
+                                # If rolling back to a savepoint fails, mark for
+                                # rollback at a higher level and avoid shadowing
+                                # the original exception.
+                                connection.needs_rollback = True
+                            raise
+                else:
+                    # Commit transaction
+                    try:
+                        connection.commit()
+                    except DatabaseError:
+                        try:
+                            connection.rollback()
+                        except Error:
+                            # An error during rollback means that something
+                            # went wrong with the connection. Drop it.
+                            connection.close()
+                        raise
+            else:
+                # This flag will be set to True again if there isn't a savepoint
+                # allowing to perform the rollback at this level.
+                connection.needs_rollback = False
+                if connection.in_atomic_block:
+                    # Roll back to savepoint if there is one, mark for rollback
+                    # otherwise.
+                    if sid is None:
+                        connection.needs_rollback = True
+                    else:
+                        try:
+                            connection.savepoint_rollback(sid)
+                            # The savepoint won't be reused. Release it to
+                            # minimize overhead for the database server.
+                            connection.savepoint_commit(sid)
+                        except Error:
+                            # If rolling back to a savepoint fails, mark for
+                            # rollback at a higher level and avoid shadowing
+                            # the original exception.
+                            connection.needs_rollback = True
+                else:
+                    # Roll back transaction
+                    try:
+                        connection.rollback()
+                    except Error:
+                        # An error during rollback means that something
+                        # went wrong with the connection. Drop it.
+                        connection.close()
+
+        finally:
+            # Outermost block exit when autocommit was enabled.
+            if not connection.in_atomic_block:
+                if connection.closed_in_transaction:
+                    connection.connection = None
+                else:
+                    connection.set_autocommit(True)
+            # Outermost block exit when autocommit was disabled.
+            elif not connection.savepoint_ids and not connection.commit_on_exit:
+                if connection.closed_in_transaction:
+                    connection.connection = None
+                else:
+                    connection.in_atomic_block = False
+
+
+def atomic(using=None, savepoint=True, durable=False):
+    # Bare decorator: @atomic -- although the first argument is called
+    # `using`, it's actually the function being decorated.
+    if callable(using):
+        return Atomic(DEFAULT_DB_ALIAS, savepoint, durable)(using)
+    # Decorator: @atomic(...) or context manager: with atomic(...): ...
+    else:
+        return Atomic(using, savepoint, durable)
+
+
+def _non_atomic_requests(view, using):
+    try:
+        view._non_atomic_requests.add(using)
+    except AttributeError:
+        view._non_atomic_requests = {using}
+    return view
+
+
+def non_atomic_requests(using=None):
+    if callable(using):
+        return _non_atomic_requests(using, DEFAULT_DB_ALIAS)
+    else:
+        if using is None:
+            using = DEFAULT_DB_ALIAS
+        return lambda view: _non_atomic_requests(view, using)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/db/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/utils.py
new file mode 100644
index 00000000..e45f1db2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/db/utils.py
@@ -0,0 +1,278 @@
+import pkgutil
+from importlib import import_module
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+
+# For backwards compatibility with Django < 3.2
+from django.utils.connection import ConnectionDoesNotExist  # NOQA: F401
+from django.utils.connection import BaseConnectionHandler
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+
+DEFAULT_DB_ALIAS = "default"
+DJANGO_VERSION_PICKLE_KEY = "_django_version"
+
+
+class Error(Exception):
+    pass
+
+
+class InterfaceError(Error):
+    pass
+
+
+class DatabaseError(Error):
+    pass
+
+
+class DataError(DatabaseError):
+    pass
+
+
+class OperationalError(DatabaseError):
+    pass
+
+
+class IntegrityError(DatabaseError):
+    pass
+
+
+class InternalError(DatabaseError):
+    pass
+
+
+class ProgrammingError(DatabaseError):
+    pass
+
+
+class NotSupportedError(DatabaseError):
+    pass
+
+
+class DatabaseErrorWrapper:
+    """
+    Context manager and decorator that reraises backend-specific database
+    exceptions using Django's common wrappers.
+    """
+
+    def __init__(self, wrapper):
+        """
+        wrapper is a database wrapper.
+
+        It must have a Database attribute defining PEP-249 exceptions.
+        """
+        self.wrapper = wrapper
+
+    def __enter__(self):
+        pass
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        if exc_type is None:
+            return
+        for dj_exc_type in (
+            DataError,
+            OperationalError,
+            IntegrityError,
+            InternalError,
+            ProgrammingError,
+            NotSupportedError,
+            DatabaseError,
+            InterfaceError,
+            Error,
+        ):
+            db_exc_type = getattr(self.wrapper.Database, dj_exc_type.__name__)
+            if issubclass(exc_type, db_exc_type):
+                dj_exc_value = dj_exc_type(*exc_value.args)
+                # Only set the 'errors_occurred' flag for errors that may make
+                # the connection unusable.
+                if dj_exc_type not in (DataError, IntegrityError):
+                    self.wrapper.errors_occurred = True
+                raise dj_exc_value.with_traceback(traceback) from exc_value
+
+    def __call__(self, func):
+        # Note that we are intentionally not using @wraps here for performance
+        # reasons. Refs #21109.
+        def inner(*args, **kwargs):
+            with self:
+                return func(*args, **kwargs)
+
+        return inner
+
+
+def load_backend(backend_name):
+    """
+    Return a database backend's "base" module given a fully qualified database
+    backend name, or raise an error if it doesn't exist.
+    """
+    # This backend was renamed in Django 1.9.
+    if backend_name == "django.db.backends.postgresql_psycopg2":
+        backend_name = "django.db.backends.postgresql"
+
+    try:
+        return import_module("%s.base" % backend_name)
+    except ImportError as e_user:
+        # The database backend wasn't found. Display a helpful error message
+        # listing all built-in database backends.
+        import django.db.backends
+
+        builtin_backends = [
+            name
+            for _, name, ispkg in pkgutil.iter_modules(django.db.backends.__path__)
+            if ispkg and name not in {"base", "dummy"}
+        ]
+        if backend_name not in ["django.db.backends.%s" % b for b in builtin_backends]:
+            backend_reprs = map(repr, sorted(builtin_backends))
+            raise ImproperlyConfigured(
+                "%r isn't an available database backend or couldn't be "
+                "imported. Check the above exception. To use one of the "
+                "built-in backends, use 'django.db.backends.XXX', where XXX "
+                "is one of:\n"
+                "    %s" % (backend_name, ", ".join(backend_reprs))
+            ) from e_user
+        else:
+            # If there's some other error, this must be an error in Django
+            raise
+
+
+class ConnectionHandler(BaseConnectionHandler):
+    settings_name = "DATABASES"
+    # Connections needs to still be an actual thread local, as it's truly
+    # thread-critical. Database backends should use @async_unsafe to protect
+    # their code from async contexts, but this will give those contexts
+    # separate connections in case it's needed as well. There's no cleanup
+    # after async contexts, though, so we don't allow that if we can help it.
+    thread_critical = True
+
+    def configure_settings(self, databases):
+        databases = super().configure_settings(databases)
+        if databases == {}:
+            databases[DEFAULT_DB_ALIAS] = {"ENGINE": "django.db.backends.dummy"}
+        elif DEFAULT_DB_ALIAS not in databases:
+            raise ImproperlyConfigured(
+                f"You must define a '{DEFAULT_DB_ALIAS}' database."
+            )
+        elif databases[DEFAULT_DB_ALIAS] == {}:
+            databases[DEFAULT_DB_ALIAS]["ENGINE"] = "django.db.backends.dummy"
+
+        # Configure default settings.
+        for conn in databases.values():
+            conn.setdefault("ATOMIC_REQUESTS", False)
+            conn.setdefault("AUTOCOMMIT", True)
+            conn.setdefault("ENGINE", "django.db.backends.dummy")
+            if conn["ENGINE"] == "django.db.backends." or not conn["ENGINE"]:
+                conn["ENGINE"] = "django.db.backends.dummy"
+            conn.setdefault("CONN_MAX_AGE", 0)
+            conn.setdefault("CONN_HEALTH_CHECKS", False)
+            conn.setdefault("OPTIONS", {})
+            conn.setdefault("TIME_ZONE", None)
+            for setting in ["NAME", "USER", "PASSWORD", "HOST", "PORT"]:
+                conn.setdefault(setting, "")
+
+            test_settings = conn.setdefault("TEST", {})
+            default_test_settings = [
+                ("CHARSET", None),
+                ("COLLATION", None),
+                ("MIGRATE", True),
+                ("MIRROR", None),
+                ("NAME", None),
+            ]
+            for key, value in default_test_settings:
+                test_settings.setdefault(key, value)
+        return databases
+
+    @property
+    def databases(self):
+        # Maintained for backward compatibility as some 3rd party packages have
+        # made use of this private API in the past. It is no longer used within
+        # Django itself.
+        return self.settings
+
+    def create_connection(self, alias):
+        db = self.settings[alias]
+        backend = load_backend(db["ENGINE"])
+        return backend.DatabaseWrapper(db, alias)
+
+
+class ConnectionRouter:
+    def __init__(self, routers=None):
+        """
+        If routers is not specified, default to settings.DATABASE_ROUTERS.
+        """
+        self._routers = routers
+
+    @cached_property
+    def routers(self):
+        if self._routers is None:
+            self._routers = settings.DATABASE_ROUTERS
+        routers = []
+        for r in self._routers:
+            if isinstance(r, str):
+                router = import_string(r)()
+            else:
+                router = r
+            routers.append(router)
+        return routers
+
+    def _router_func(action):
+        def _route_db(self, model, **hints):
+            chosen_db = None
+            for router in self.routers:
+                try:
+                    method = getattr(router, action)
+                except AttributeError:
+                    # If the router doesn't have a method, skip to the next one.
+                    pass
+                else:
+                    chosen_db = method(model, **hints)
+                    if chosen_db:
+                        return chosen_db
+            instance = hints.get("instance")
+            if instance is not None and instance._state.db:
+                return instance._state.db
+            return DEFAULT_DB_ALIAS
+
+        return _route_db
+
+    db_for_read = _router_func("db_for_read")
+    db_for_write = _router_func("db_for_write")
+
+    def allow_relation(self, obj1, obj2, **hints):
+        for router in self.routers:
+            try:
+                method = router.allow_relation
+            except AttributeError:
+                # If the router doesn't have a method, skip to the next one.
+                pass
+            else:
+                allow = method(obj1, obj2, **hints)
+                if allow is not None:
+                    return allow
+        return obj1._state.db == obj2._state.db
+
+    def allow_migrate(self, db, app_label, **hints):
+        for router in self.routers:
+            try:
+                method = router.allow_migrate
+            except AttributeError:
+                # If the router doesn't have a method, skip to the next one.
+                continue
+
+            allow = method(db, app_label, **hints)
+
+            if allow is not None:
+                return allow
+        return True
+
+    def allow_migrate_model(self, db, model):
+        return self.allow_migrate(
+            db,
+            model._meta.app_label,
+            model_name=model._meta.model_name,
+            model=model,
+        )
+
+    def get_migratable_models(self, app_config, db, include_auto_created=False):
+        """Return app models allowed to be migrated on provided db."""
+        models = app_config.get_models(include_auto_created=include_auto_created)
+        return [model for model in models if self.allow_migrate_model(db, model)]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/__init__.py
new file mode 100644
index 00000000..a615f990
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/__init__.py
@@ -0,0 +1,9 @@
+"""Multi-consumer multi-producer dispatching mechanism
+
+Originally based on pydispatch (BSD) https://pypi.org/project/PyDispatcher/2.0.1/
+See license.txt for original license.
+
+Heavily modified for Django's purposes.
+"""
+
+from django.dispatch.dispatcher import Signal, receiver  # NOQA
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/dispatcher.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/dispatcher.py
new file mode 100644
index 00000000..fe0e1fa5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/dispatcher.py
@@ -0,0 +1,494 @@
+import asyncio
+import logging
+import threading
+import weakref
+
+from asgiref.sync import async_to_sync, iscoroutinefunction, sync_to_async
+
+from django.utils.inspect import func_accepts_kwargs
+
+logger = logging.getLogger("django.dispatch")
+
+
+def _make_id(target):
+    if hasattr(target, "__func__"):
+        return (id(target.__self__), id(target.__func__))
+    return id(target)
+
+
+NONE_ID = _make_id(None)
+
+# A marker for caching
+NO_RECEIVERS = object()
+
+
+class Signal:
+    """
+    Base class for all signals
+
+    Internal attributes:
+
+        receivers
+            { receiverkey (id) : weakref(receiver) }
+    """
+
+    def __init__(self, use_caching=False):
+        """
+        Create a new signal.
+        """
+        self.receivers = []
+        self.lock = threading.Lock()
+        self.use_caching = use_caching
+        # For convenience we create empty caches even if they are not used.
+        # A note about caching: if use_caching is defined, then for each
+        # distinct sender we cache the receivers that sender has in
+        # 'sender_receivers_cache'. The cache is cleaned when .connect() or
+        # .disconnect() is called and populated on send().
+        self.sender_receivers_cache = weakref.WeakKeyDictionary() if use_caching else {}
+        self._dead_receivers = False
+
+    def connect(self, receiver, sender=None, weak=True, dispatch_uid=None):
+        """
+        Connect receiver to sender for signal.
+
+        Arguments:
+
+            receiver
+                A function or an instance method which is to receive signals.
+                Receivers must be hashable objects. Receivers can be
+                asynchronous.
+
+                If weak is True, then receiver must be weak referenceable.
+
+                Receivers must be able to accept keyword arguments.
+
+                If a receiver is connected with a dispatch_uid argument, it
+                will not be added if another receiver was already connected
+                with that dispatch_uid.
+
+            sender
+                The sender to which the receiver should respond. Must either be
+                a Python object, or None to receive events from any sender.
+
+            weak
+                Whether to use weak references to the receiver. By default, the
+                module will attempt to use weak references to the receiver
+                objects. If this parameter is false, then strong references will
+                be used.
+
+            dispatch_uid
+                An identifier used to uniquely identify a particular instance of
+                a receiver. This will usually be a string, though it may be
+                anything hashable.
+        """
+        from django.conf import settings
+
+        # If DEBUG is on, check that we got a good receiver
+        if settings.configured and settings.DEBUG:
+            if not callable(receiver):
+                raise TypeError("Signal receivers must be callable.")
+            # Check for **kwargs
+            if not func_accepts_kwargs(receiver):
+                raise ValueError(
+                    "Signal receivers must accept keyword arguments (**kwargs)."
+                )
+
+        if dispatch_uid:
+            lookup_key = (dispatch_uid, _make_id(sender))
+        else:
+            lookup_key = (_make_id(receiver), _make_id(sender))
+
+        is_async = iscoroutinefunction(receiver)
+
+        if weak:
+            ref = weakref.ref
+            receiver_object = receiver
+            # Check for bound methods
+            if hasattr(receiver, "__self__") and hasattr(receiver, "__func__"):
+                ref = weakref.WeakMethod
+                receiver_object = receiver.__self__
+            receiver = ref(receiver)
+            weakref.finalize(receiver_object, self._remove_receiver)
+
+        with self.lock:
+            self._clear_dead_receivers()
+            if not any(r_key == lookup_key for r_key, _, _ in self.receivers):
+                self.receivers.append((lookup_key, receiver, is_async))
+            self.sender_receivers_cache.clear()
+
+    def disconnect(self, receiver=None, sender=None, dispatch_uid=None):
+        """
+        Disconnect receiver from sender for signal.
+
+        If weak references are used, disconnect need not be called. The receiver
+        will be removed from dispatch automatically.
+
+        Arguments:
+
+            receiver
+                The registered receiver to disconnect. May be none if
+                dispatch_uid is specified.
+
+            sender
+                The registered sender to disconnect
+
+            dispatch_uid
+                the unique identifier of the receiver to disconnect
+        """
+        if dispatch_uid:
+            lookup_key = (dispatch_uid, _make_id(sender))
+        else:
+            lookup_key = (_make_id(receiver), _make_id(sender))
+
+        disconnected = False
+        with self.lock:
+            self._clear_dead_receivers()
+            for index in range(len(self.receivers)):
+                r_key, *_ = self.receivers[index]
+                if r_key == lookup_key:
+                    disconnected = True
+                    del self.receivers[index]
+                    break
+            self.sender_receivers_cache.clear()
+        return disconnected
+
+    def has_listeners(self, sender=None):
+        sync_receivers, async_receivers = self._live_receivers(sender)
+        return bool(sync_receivers) or bool(async_receivers)
+
+    def send(self, sender, **named):
+        """
+        Send signal from sender to all connected receivers.
+
+        If any receiver raises an error, the error propagates back through send,
+        terminating the dispatch loop. So it's possible that all receivers
+        won't be called if an error is raised.
+
+        If any receivers are asynchronous, they are called after all the
+        synchronous receivers via a single call to async_to_sync(). They are
+        also executed concurrently with asyncio.gather().
+
+        Arguments:
+
+            sender
+                The sender of the signal. Either a specific object or None.
+
+            named
+                Named arguments which will be passed to receivers.
+
+        Return a list of tuple pairs [(receiver, response), ... ].
+        """
+        if (
+            not self.receivers
+            or self.sender_receivers_cache.get(sender) is NO_RECEIVERS
+        ):
+            return []
+        responses = []
+        sync_receivers, async_receivers = self._live_receivers(sender)
+        for receiver in sync_receivers:
+            response = receiver(signal=self, sender=sender, **named)
+            responses.append((receiver, response))
+        if async_receivers:
+
+            async def asend():
+                async_responses = await asyncio.gather(
+                    *(
+                        receiver(signal=self, sender=sender, **named)
+                        for receiver in async_receivers
+                    )
+                )
+                return zip(async_receivers, async_responses)
+
+            responses.extend(async_to_sync(asend)())
+        return responses
+
+    async def asend(self, sender, **named):
+        """
+        Send signal from sender to all connected receivers in async mode.
+
+        All sync receivers will be wrapped by sync_to_async()
+        If any receiver raises an error, the error propagates back through
+        send, terminating the dispatch loop. So it's possible that all
+        receivers won't be called if an error is raised.
+
+        If any receivers are synchronous, they are grouped and called behind a
+        sync_to_async() adaption before executing any asynchronous receivers.
+
+        If any receivers are asynchronous, they are grouped and executed
+        concurrently with asyncio.gather().
+
+        Arguments:
+
+            sender
+                The sender of the signal. Either a specific object or None.
+
+            named
+                Named arguments which will be passed to receivers.
+
+        Return a list of tuple pairs [(receiver, response), ...].
+        """
+        if (
+            not self.receivers
+            or self.sender_receivers_cache.get(sender) is NO_RECEIVERS
+        ):
+            return []
+        sync_receivers, async_receivers = self._live_receivers(sender)
+        if sync_receivers:
+
+            @sync_to_async
+            def sync_send():
+                responses = []
+                for receiver in sync_receivers:
+                    response = receiver(signal=self, sender=sender, **named)
+                    responses.append((receiver, response))
+                return responses
+
+        else:
+
+            async def sync_send():
+                return []
+
+        responses, async_responses = await asyncio.gather(
+            sync_send(),
+            asyncio.gather(
+                *(
+                    receiver(signal=self, sender=sender, **named)
+                    for receiver in async_receivers
+                )
+            ),
+        )
+        responses.extend(zip(async_receivers, async_responses))
+        return responses
+
+    def _log_robust_failure(self, receiver, err):
+        logger.error(
+            "Error calling %s in Signal.send_robust() (%s)",
+            receiver.__qualname__,
+            err,
+            exc_info=err,
+        )
+
+    def send_robust(self, sender, **named):
+        """
+        Send signal from sender to all connected receivers catching errors.
+
+        If any receivers are asynchronous, they are called after all the
+        synchronous receivers via a single call to async_to_sync(). They are
+        also executed concurrently with asyncio.gather().
+
+        Arguments:
+
+            sender
+                The sender of the signal. Can be any Python object (normally one
+                registered with a connect if you actually want something to
+                occur).
+
+            named
+                Named arguments which will be passed to receivers.
+
+        Return a list of tuple pairs [(receiver, response), ... ].
+
+        If any receiver raises an error (specifically any subclass of
+        Exception), return the error instance as the result for that receiver.
+        """
+        if (
+            not self.receivers
+            or self.sender_receivers_cache.get(sender) is NO_RECEIVERS
+        ):
+            return []
+
+        # Call each receiver with whatever arguments it can accept.
+        # Return a list of tuple pairs [(receiver, response), ... ].
+        responses = []
+        sync_receivers, async_receivers = self._live_receivers(sender)
+        for receiver in sync_receivers:
+            try:
+                response = receiver(signal=self, sender=sender, **named)
+            except Exception as err:
+                self._log_robust_failure(receiver, err)
+                responses.append((receiver, err))
+            else:
+                responses.append((receiver, response))
+        if async_receivers:
+
+            async def asend_and_wrap_exception(receiver):
+                try:
+                    response = await receiver(signal=self, sender=sender, **named)
+                except Exception as err:
+                    self._log_robust_failure(receiver, err)
+                    return err
+                return response
+
+            async def asend():
+                async_responses = await asyncio.gather(
+                    *(
+                        asend_and_wrap_exception(receiver)
+                        for receiver in async_receivers
+                    )
+                )
+                return zip(async_receivers, async_responses)
+
+            responses.extend(async_to_sync(asend)())
+        return responses
+
+    async def asend_robust(self, sender, **named):
+        """
+        Send signal from sender to all connected receivers catching errors.
+
+        If any receivers are synchronous, they are grouped and called behind a
+        sync_to_async() adaption before executing any asynchronous receivers.
+
+        If any receivers are asynchronous, they are grouped and executed
+        concurrently with asyncio.gather.
+
+        Arguments:
+
+            sender
+                The sender of the signal. Can be any Python object (normally one
+                registered with a connect if you actually want something to
+                occur).
+
+            named
+                Named arguments which will be passed to receivers.
+
+        Return a list of tuple pairs [(receiver, response), ... ].
+
+        If any receiver raises an error (specifically any subclass of
+        Exception), return the error instance as the result for that receiver.
+        """
+        if (
+            not self.receivers
+            or self.sender_receivers_cache.get(sender) is NO_RECEIVERS
+        ):
+            return []
+
+        # Call each receiver with whatever arguments it can accept.
+        # Return a list of tuple pairs [(receiver, response), ... ].
+        sync_receivers, async_receivers = self._live_receivers(sender)
+
+        if sync_receivers:
+
+            @sync_to_async
+            def sync_send():
+                responses = []
+                for receiver in sync_receivers:
+                    try:
+                        response = receiver(signal=self, sender=sender, **named)
+                    except Exception as err:
+                        self._log_robust_failure(receiver, err)
+                        responses.append((receiver, err))
+                    else:
+                        responses.append((receiver, response))
+                return responses
+
+        else:
+
+            async def sync_send():
+                return []
+
+        async def asend_and_wrap_exception(receiver):
+            try:
+                response = await receiver(signal=self, sender=sender, **named)
+            except Exception as err:
+                self._log_robust_failure(receiver, err)
+                return err
+            return response
+
+        responses, async_responses = await asyncio.gather(
+            sync_send(),
+            asyncio.gather(
+                *(asend_and_wrap_exception(receiver) for receiver in async_receivers),
+            ),
+        )
+        responses.extend(zip(async_receivers, async_responses))
+        return responses
+
+    def _clear_dead_receivers(self):
+        # Note: caller is assumed to hold self.lock.
+        if self._dead_receivers:
+            self._dead_receivers = False
+            self.receivers = [
+                r
+                for r in self.receivers
+                if not (isinstance(r[1], weakref.ReferenceType) and r[1]() is None)
+            ]
+
+    def _live_receivers(self, sender):
+        """
+        Filter sequence of receivers to get resolved, live receivers.
+
+        This checks for weak references and resolves them, then returning only
+        live receivers.
+        """
+        receivers = None
+        if self.use_caching and not self._dead_receivers:
+            receivers = self.sender_receivers_cache.get(sender)
+            # We could end up here with NO_RECEIVERS even if we do check this case in
+            # .send() prior to calling _live_receivers() due to concurrent .send() call.
+            if receivers is NO_RECEIVERS:
+                return [], []
+        if receivers is None:
+            with self.lock:
+                self._clear_dead_receivers()
+                senderkey = _make_id(sender)
+                receivers = []
+                for (_receiverkey, r_senderkey), receiver, is_async in self.receivers:
+                    if r_senderkey == NONE_ID or r_senderkey == senderkey:
+                        receivers.append((receiver, is_async))
+                if self.use_caching:
+                    if not receivers:
+                        self.sender_receivers_cache[sender] = NO_RECEIVERS
+                    else:
+                        # Note, we must cache the weakref versions.
+                        self.sender_receivers_cache[sender] = receivers
+        non_weak_sync_receivers = []
+        non_weak_async_receivers = []
+        for receiver, is_async in receivers:
+            if isinstance(receiver, weakref.ReferenceType):
+                # Dereference the weak reference.
+                receiver = receiver()
+                if receiver is not None:
+                    if is_async:
+                        non_weak_async_receivers.append(receiver)
+                    else:
+                        non_weak_sync_receivers.append(receiver)
+            else:
+                if is_async:
+                    non_weak_async_receivers.append(receiver)
+                else:
+                    non_weak_sync_receivers.append(receiver)
+        return non_weak_sync_receivers, non_weak_async_receivers
+
+    def _remove_receiver(self, receiver=None):
+        # Mark that the self.receivers list has dead weakrefs. If so, we will
+        # clean those up in connect, disconnect and _live_receivers while
+        # holding self.lock. Note that doing the cleanup here isn't a good
+        # idea, _remove_receiver() will be called as side effect of garbage
+        # collection, and so the call can happen while we are already holding
+        # self.lock.
+        self._dead_receivers = True
+
+
+def receiver(signal, **kwargs):
+    """
+    A decorator for connecting receivers to signals. Used by passing in the
+    signal (or list of signals) and keyword arguments to connect::
+
+        @receiver(post_save, sender=MyModel)
+        def signal_receiver(sender, **kwargs):
+            ...
+
+        @receiver([post_save, post_delete], sender=MyModel)
+        def signals_receiver(sender, **kwargs):
+            ...
+    """
+
+    def _decorator(func):
+        if isinstance(signal, (list, tuple)):
+            for s in signal:
+                s.connect(func, **kwargs)
+        else:
+            signal.connect(func, **kwargs)
+        return func
+
+    return _decorator
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/license.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/license.txt
new file mode 100644
index 00000000..505090df
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/dispatch/license.txt
@@ -0,0 +1,36 @@
+django.dispatch was originally forked from PyDispatcher.
+
+PyDispatcher License:
+
+    Copyright (c) 2001-2003, Patrick K. O'Brien and Contributors
+    All rights reserved.
+    
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+    
+        Redistributions of source code must retain the above copyright
+        notice, this list of conditions and the following disclaimer.
+    
+        Redistributions in binary form must reproduce the above
+        copyright notice, this list of conditions and the following
+        disclaimer in the documentation and/or other materials
+        provided with the distribution.
+    
+        The name of Patrick K. O'Brien, or the name of any Contributor,
+        may not be used to endorse or promote products derived from this 
+        software without specific prior written permission.
+    
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+    COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+    OF THE POSSIBILITY OF SUCH DAMAGE. 
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/__init__.py
new file mode 100644
index 00000000..1c319219
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/__init__.py
@@ -0,0 +1,11 @@
+"""
+Django validation and HTML form handling.
+"""
+
+from django.core.exceptions import ValidationError  # NOQA
+from django.forms.boundfield import *  # NOQA
+from django.forms.fields import *  # NOQA
+from django.forms.forms import *  # NOQA
+from django.forms.formsets import *  # NOQA
+from django.forms.models import *  # NOQA
+from django.forms.widgets import *  # NOQA
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index 00000000..d56fa0ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/boundfield.py
@@ -0,0 +1,358 @@
+import re
+
+from django.core.exceptions import ValidationError
+from django.forms.utils import RenderableFieldMixin, pretty_name
+from django.forms.widgets import MultiWidget, Textarea, TextInput
+from django.utils.functional import cached_property
+from django.utils.html import format_html, html_safe
+from django.utils.translation import gettext_lazy as _
+
+__all__ = ("BoundField",)
+
+
+class BoundField(RenderableFieldMixin):
+    "A Field plus data"
+
+    def __init__(self, form, field, name):
+        self.form = form
+        self.field = field
+        self.name = name
+        self.html_name = form.add_prefix(name)
+        self.html_initial_name = form.add_initial_prefix(name)
+        self.html_initial_id = form.add_initial_prefix(self.auto_id)
+        if self.field.label is None:
+            self.label = pretty_name(name)
+        else:
+            self.label = self.field.label
+        self.help_text = field.help_text or ""
+        self.renderer = form.renderer
+
+    @cached_property
+    def subwidgets(self):
+        """
+        Most widgets yield a single subwidget, but others like RadioSelect and
+        CheckboxSelectMultiple produce one subwidget for each choice.
+
+        This property is cached so that only one database query occurs when
+        rendering ModelChoiceFields.
+        """
+        id_ = self.field.widget.attrs.get("id") or self.auto_id
+        attrs = {"id": id_} if id_ else {}
+        attrs = self.build_widget_attrs(attrs)
+        return [
+            BoundWidget(self.field.widget, widget, self.form.renderer)
+            for widget in self.field.widget.subwidgets(
+                self.html_name, self.value(), attrs=attrs
+            )
+        ]
+
+    def __bool__(self):
+        # BoundField evaluates to True even if it doesn't have subwidgets.
+        return True
+
+    def __iter__(self):
+        return iter(self.subwidgets)
+
+    def __len__(self):
+        return len(self.subwidgets)
+
+    def __getitem__(self, idx):
+        # Prevent unnecessary reevaluation when accessing BoundField's attrs
+        # from templates.
+        if not isinstance(idx, (int, slice)):
+            raise TypeError(
+                "BoundField indices must be integers or slices, not %s."
+                % type(idx).__name__
+            )
+        return self.subwidgets[idx]
+
+    @property
+    def errors(self):
+        """
+        Return an ErrorList (empty if there are no errors) for this field.
+        """
+        return self.form.errors.get(
+            self.name, self.form.error_class(renderer=self.form.renderer)
+        )
+
+    @property
+    def template_name(self):
+        return self.field.template_name or self.form.renderer.field_template_name
+
+    def get_context(self):
+        return {"field": self}
+
+    def as_widget(self, widget=None, attrs=None, only_initial=False):
+        """
+        Render the field by rendering the passed widget, adding any HTML
+        attributes passed as attrs. If a widget isn't specified, use the
+        field's default widget.
+        """
+        widget = widget or self.field.widget
+        if self.field.localize:
+            widget.is_localized = True
+        attrs = attrs or {}
+        attrs = self.build_widget_attrs(attrs, widget)
+        if self.auto_id and "id" not in widget.attrs:
+            attrs.setdefault(
+                "id", self.html_initial_id if only_initial else self.auto_id
+            )
+        if only_initial and self.html_initial_name in self.form.data:
+            # Propagate the hidden initial value.
+            value = self.form._widget_data_value(
+                self.field.hidden_widget(),
+                self.html_initial_name,
+            )
+        else:
+            value = self.value()
+        return widget.render(
+            name=self.html_initial_name if only_initial else self.html_name,
+            value=value,
+            attrs=attrs,
+            renderer=self.form.renderer,
+        )
+
+    def as_text(self, attrs=None, **kwargs):
+        """
+        Return a string of HTML for representing this as an <input type="text">.
+        """
+        return self.as_widget(TextInput(), attrs, **kwargs)
+
+    def as_textarea(self, attrs=None, **kwargs):
+        """Return a string of HTML for representing this as a <textarea>."""
+        return self.as_widget(Textarea(), attrs, **kwargs)
+
+    def as_hidden(self, attrs=None, **kwargs):
+        """
+        Return a string of HTML for representing this as an <input type="hidden">.
+        """
+        return self.as_widget(self.field.hidden_widget(), attrs, **kwargs)
+
+    @property
+    def data(self):
+        """
+        Return the data for this BoundField, or None if it wasn't given.
+        """
+        return self.form._widget_data_value(self.field.widget, self.html_name)
+
+    def value(self):
+        """
+        Return the value for this BoundField, using the initial value if
+        the form is not bound or the data otherwise.
+        """
+        data = self.initial
+        if self.form.is_bound:
+            data = self.field.bound_data(self.data, data)
+        return self.field.prepare_value(data)
+
+    def _has_changed(self):
+        field = self.field
+        if field.show_hidden_initial:
+            hidden_widget = field.hidden_widget()
+            initial_value = self.form._widget_data_value(
+                hidden_widget,
+                self.html_initial_name,
+            )
+            try:
+                initial_value = field.to_python(initial_value)
+            except ValidationError:
+                # Always assume data has changed if validation fails.
+                return True
+        else:
+            initial_value = self.initial
+        return field.has_changed(initial_value, self.data)
+
+    def label_tag(self, contents=None, attrs=None, label_suffix=None, tag=None):
+        """
+        Wrap the given contents in a <label>, if the field has an ID attribute.
+        contents should be mark_safe'd to avoid HTML escaping. If contents
+        aren't given, use the field's HTML-escaped label.
+
+        If attrs are given, use them as HTML attributes on the <label> tag.
+
+        label_suffix overrides the form's label_suffix.
+        """
+        contents = contents or self.label
+        if label_suffix is None:
+            label_suffix = (
+                self.field.label_suffix
+                if self.field.label_suffix is not None
+                else self.form.label_suffix
+            )
+        # Only add the suffix if the label does not end in punctuation.
+        # Translators: If found as last label character, these punctuation
+        # characters will prevent the default label_suffix to be appended to the label
+        if label_suffix and contents and contents[-1] not in _(":?.!"):
+            contents = format_html("{}{}", contents, label_suffix)
+        widget = self.field.widget
+        id_ = widget.attrs.get("id") or self.auto_id
+        if id_:
+            id_for_label = widget.id_for_label(id_)
+            if id_for_label:
+                attrs = {**(attrs or {}), "for": id_for_label}
+            if self.field.required and hasattr(self.form, "required_css_class"):
+                attrs = attrs or {}
+                if "class" in attrs:
+                    attrs["class"] += " " + self.form.required_css_class
+                else:
+                    attrs["class"] = self.form.required_css_class
+        context = {
+            "field": self,
+            "label": contents,
+            "attrs": attrs,
+            "use_tag": bool(id_),
+            "tag": tag or "label",
+        }
+        return self.form.render(self.form.template_name_label, context)
+
+    def legend_tag(self, contents=None, attrs=None, label_suffix=None):
+        """
+        Wrap the given contents in a <legend>, if the field has an ID
+        attribute. Contents should be mark_safe'd to avoid HTML escaping. If
+        contents aren't given, use the field's HTML-escaped label.
+
+        If attrs are given, use them as HTML attributes on the <legend> tag.
+
+        label_suffix overrides the form's label_suffix.
+        """
+        return self.label_tag(contents, attrs, label_suffix, tag="legend")
+
+    def css_classes(self, extra_classes=None):
+        """
+        Return a string of space-separated CSS classes for this field.
+        """
+        if hasattr(extra_classes, "split"):
+            extra_classes = extra_classes.split()
+        extra_classes = set(extra_classes or [])
+        if self.errors and hasattr(self.form, "error_css_class"):
+            extra_classes.add(self.form.error_css_class)
+        if self.field.required and hasattr(self.form, "required_css_class"):
+            extra_classes.add(self.form.required_css_class)
+        return " ".join(extra_classes)
+
+    @property
+    def is_hidden(self):
+        """Return True if this BoundField's widget is hidden."""
+        return self.field.widget.is_hidden
+
+    @property
+    def auto_id(self):
+        """
+        Calculate and return the ID attribute for this BoundField, if the
+        associated Form has specified auto_id. Return an empty string otherwise.
+        """
+        auto_id = self.form.auto_id  # Boolean or string
+        if auto_id and "%s" in str(auto_id):
+            return auto_id % self.html_name
+        elif auto_id:
+            return self.html_name
+        return ""
+
+    @property
+    def id_for_label(self):
+        """
+        Wrapper around the field widget's `id_for_label` method.
+        Useful, for example, for focusing on this field regardless of whether
+        it has a single widget or a MultiWidget.
+        """
+        widget = self.field.widget
+        id_ = widget.attrs.get("id") or self.auto_id
+        return widget.id_for_label(id_)
+
+    @cached_property
+    def initial(self):
+        return self.form.get_initial_for_field(self.field, self.name)
+
+    def build_widget_attrs(self, attrs, widget=None):
+        widget = widget or self.field.widget
+        attrs = dict(attrs)  # Copy attrs to avoid modifying the argument.
+        if (
+            widget.use_required_attribute(self.initial)
+            and self.field.required
+            and self.form.use_required_attribute
+        ):
+            # MultiValueField has require_all_fields: if False, fall back
+            # on subfields.
+            if (
+                hasattr(self.field, "require_all_fields")
+                and not self.field.require_all_fields
+                and isinstance(self.field.widget, MultiWidget)
+            ):
+                for subfield, subwidget in zip(self.field.fields, widget.widgets):
+                    subwidget.attrs["required"] = (
+                        subwidget.use_required_attribute(self.initial)
+                        and subfield.required
+                    )
+            else:
+                attrs["required"] = True
+        if self.field.disabled:
+            attrs["disabled"] = True
+        if not widget.is_hidden and self.errors:
+            attrs["aria-invalid"] = "true"
+        # If a custom aria-describedby attribute is given (either via the attrs
+        # argument or widget.attrs) and help_text is used, the custom
+        # aria-described by is preserved so user can set the desired order.
+        if (
+            not attrs.get("aria-describedby")
+            and not widget.attrs.get("aria-describedby")
+            and self.field.help_text
+            and not self.use_fieldset
+            and self.auto_id
+        ):
+            attrs["aria-describedby"] = f"{self.auto_id}_helptext"
+        return attrs
+
+    @property
+    def widget_type(self):
+        return re.sub(
+            r"widget$|input$", "", self.field.widget.__class__.__name__.lower()
+        )
+
+    @property
+    def use_fieldset(self):
+        """
+        Return the value of this BoundField widget's use_fieldset attribute.
+        """
+        return self.field.widget.use_fieldset
+
+
+@html_safe
+class BoundWidget:
+    """
+    A container class used for iterating over widgets. This is useful for
+    widgets that have choices. For example, the following can be used in a
+    template:
+
+    {% for radio in myform.beatles %}
+      <label for="{{ radio.id_for_label }}">
+        {{ radio.choice_label }}
+        <span class="radio">{{ radio.tag }}</span>
+      </label>
+    {% endfor %}
+    """
+
+    def __init__(self, parent_widget, data, renderer):
+        self.parent_widget = parent_widget
+        self.data = data
+        self.renderer = renderer
+
+    def __str__(self):
+        return self.tag(wrap_label=True)
+
+    def tag(self, wrap_label=False):
+        context = {"widget": {**self.data, "wrap_label": wrap_label}}
+        return self.parent_widget._render(self.template_name, context, self.renderer)
+
+    @property
+    def template_name(self):
+        if "template_name" in self.data:
+            return self.data["template_name"]
+        return self.parent_widget.template_name
+
+    @property
+    def id_for_label(self):
+        return self.data["attrs"].get("id")
+
+    @property
+    def choice_label(self):
+        return self.data["label"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/fields.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/fields.py
new file mode 100644
index 00000000..f00d567a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/fields.py
@@ -0,0 +1,1402 @@
+"""
+Field classes.
+"""
+
+import copy
+import datetime
+import json
+import math
+import operator
+import os
+import re
+import uuid
+import warnings
+from decimal import Decimal, DecimalException
+from io import BytesIO
+from urllib.parse import urlsplit, urlunsplit
+
+from django.conf import settings
+from django.core import validators
+from django.core.exceptions import ValidationError
+from django.forms.boundfield import BoundField
+from django.forms.utils import from_current_timezone, to_current_timezone
+from django.forms.widgets import (
+    FILE_INPUT_CONTRADICTION,
+    CheckboxInput,
+    ClearableFileInput,
+    DateInput,
+    DateTimeInput,
+    EmailInput,
+    FileInput,
+    HiddenInput,
+    MultipleHiddenInput,
+    NullBooleanSelect,
+    NumberInput,
+    Select,
+    SelectMultiple,
+    SplitDateTimeWidget,
+    SplitHiddenDateTimeWidget,
+    Textarea,
+    TextInput,
+    TimeInput,
+    URLInput,
+)
+from django.utils import formats
+from django.utils.choices import normalize_choices
+from django.utils.dateparse import parse_datetime, parse_duration
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.duration import duration_string
+from django.utils.ipv6 import clean_ipv6_address
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ngettext_lazy
+
+__all__ = (
+    "Field",
+    "CharField",
+    "IntegerField",
+    "DateField",
+    "TimeField",
+    "DateTimeField",
+    "DurationField",
+    "RegexField",
+    "EmailField",
+    "FileField",
+    "ImageField",
+    "URLField",
+    "BooleanField",
+    "NullBooleanField",
+    "ChoiceField",
+    "MultipleChoiceField",
+    "ComboField",
+    "MultiValueField",
+    "FloatField",
+    "DecimalField",
+    "SplitDateTimeField",
+    "GenericIPAddressField",
+    "FilePathField",
+    "JSONField",
+    "SlugField",
+    "TypedChoiceField",
+    "TypedMultipleChoiceField",
+    "UUIDField",
+)
+
+
+class Field:
+    widget = TextInput  # Default widget to use when rendering this type of Field.
+    hidden_widget = (
+        HiddenInput  # Default widget to use when rendering this as "hidden".
+    )
+    default_validators = []  # Default set of validators
+    # Add an 'invalid' entry to default_error_message if you want a specific
+    # field error message not raised by the field validators.
+    default_error_messages = {
+        "required": _("This field is required."),
+    }
+    empty_values = list(validators.EMPTY_VALUES)
+
+    def __init__(
+        self,
+        *,
+        required=True,
+        widget=None,
+        label=None,
+        initial=None,
+        help_text="",
+        error_messages=None,
+        show_hidden_initial=False,
+        validators=(),
+        localize=False,
+        disabled=False,
+        label_suffix=None,
+        template_name=None,
+    ):
+        # required -- Boolean that specifies whether the field is required.
+        #             True by default.
+        # widget -- A Widget class, or instance of a Widget class, that should
+        #           be used for this Field when displaying it. Each Field has a
+        #           default Widget that it'll use if you don't specify this. In
+        #           most cases, the default widget is TextInput.
+        # label -- A verbose name for this field, for use in displaying this
+        #          field in a form. By default, Django will use a "pretty"
+        #          version of the form field name, if the Field is part of a
+        #          Form.
+        # initial -- A value to use in this Field's initial display. This value
+        #            is *not* used as a fallback if data isn't given.
+        # help_text -- An optional string to use as "help text" for this Field.
+        # error_messages -- An optional dictionary to override the default
+        #                   messages that the field will raise.
+        # show_hidden_initial -- Boolean that specifies if it is needed to render a
+        #                        hidden widget with initial value after widget.
+        # validators -- List of additional validators to use
+        # localize -- Boolean that specifies if the field should be localized.
+        # disabled -- Boolean that specifies whether the field is disabled, that
+        #             is its widget is shown in the form but not editable.
+        # label_suffix -- Suffix to be added to the label. Overrides
+        #                 form's label_suffix.
+        self.required, self.label, self.initial = required, label, initial
+        self.show_hidden_initial = show_hidden_initial
+        self.help_text = help_text
+        self.disabled = disabled
+        self.label_suffix = label_suffix
+        widget = widget or self.widget
+        if isinstance(widget, type):
+            widget = widget()
+        else:
+            widget = copy.deepcopy(widget)
+
+        # Trigger the localization machinery if needed.
+        self.localize = localize
+        if self.localize:
+            widget.is_localized = True
+
+        # Let the widget know whether it should display as required.
+        widget.is_required = self.required
+
+        # Hook into self.widget_attrs() for any Field-specific HTML attributes.
+        extra_attrs = self.widget_attrs(widget)
+        if extra_attrs:
+            widget.attrs.update(extra_attrs)
+
+        self.widget = widget
+
+        messages = {}
+        for c in reversed(self.__class__.__mro__):
+            messages.update(getattr(c, "default_error_messages", {}))
+        messages.update(error_messages or {})
+        self.error_messages = messages
+
+        self.validators = [*self.default_validators, *validators]
+        self.template_name = template_name
+
+        super().__init__()
+
+    def prepare_value(self, value):
+        return value
+
+    def to_python(self, value):
+        return value
+
+    def validate(self, value):
+        if value in self.empty_values and self.required:
+            raise ValidationError(self.error_messages["required"], code="required")
+
+    def run_validators(self, value):
+        if value in self.empty_values:
+            return
+        errors = []
+        for v in self.validators:
+            try:
+                v(value)
+            except ValidationError as e:
+                if hasattr(e, "code") and e.code in self.error_messages:
+                    e.message = self.error_messages[e.code]
+                errors.extend(e.error_list)
+        if errors:
+            raise ValidationError(errors)
+
+    def clean(self, value):
+        """
+        Validate the given value and return its "cleaned" value as an
+        appropriate Python object. Raise ValidationError for any errors.
+        """
+        value = self.to_python(value)
+        self.validate(value)
+        self.run_validators(value)
+        return value
+
+    def bound_data(self, data, initial):
+        """
+        Return the value that should be shown for this field on render of a
+        bound form, given the submitted POST data for the field and the initial
+        data, if any.
+
+        For most fields, this will simply be data; FileFields need to handle it
+        a bit differently.
+        """
+        if self.disabled:
+            return initial
+        return data
+
+    def widget_attrs(self, widget):
+        """
+        Given a Widget instance (*not* a Widget class), return a dictionary of
+        any HTML attributes that should be added to the Widget, based on this
+        Field.
+        """
+        return {}
+
+    def has_changed(self, initial, data):
+        """Return True if data differs from initial."""
+        # Always return False if the field is disabled since self.bound_data
+        # always uses the initial value in this case.
+        if self.disabled:
+            return False
+        try:
+            data = self.to_python(data)
+            if hasattr(self, "_coerce"):
+                return self._coerce(data) != self._coerce(initial)
+        except ValidationError:
+            return True
+        # For purposes of seeing whether something has changed, None is
+        # the same as an empty string, if the data or initial value we get
+        # is None, replace it with ''.
+        initial_value = initial if initial is not None else ""
+        data_value = data if data is not None else ""
+        return initial_value != data_value
+
+    def get_bound_field(self, form, field_name):
+        """
+        Return a BoundField instance that will be used when accessing the form
+        field in a template.
+        """
+        return BoundField(form, self, field_name)
+
+    def __deepcopy__(self, memo):
+        result = copy.copy(self)
+        memo[id(self)] = result
+        result.widget = copy.deepcopy(self.widget, memo)
+        result.error_messages = self.error_messages.copy()
+        result.validators = self.validators[:]
+        return result
+
+
+class CharField(Field):
+    def __init__(
+        self, *, max_length=None, min_length=None, strip=True, empty_value="", **kwargs
+    ):
+        self.max_length = max_length
+        self.min_length = min_length
+        self.strip = strip
+        self.empty_value = empty_value
+        super().__init__(**kwargs)
+        if min_length is not None:
+            self.validators.append(validators.MinLengthValidator(int(min_length)))
+        if max_length is not None:
+            self.validators.append(validators.MaxLengthValidator(int(max_length)))
+        self.validators.append(validators.ProhibitNullCharactersValidator())
+
+    def to_python(self, value):
+        """Return a string."""
+        if value not in self.empty_values:
+            value = str(value)
+            if self.strip:
+                value = value.strip()
+        if value in self.empty_values:
+            return self.empty_value
+        return value
+
+    def widget_attrs(self, widget):
+        attrs = super().widget_attrs(widget)
+        if self.max_length is not None and not widget.is_hidden:
+            # The HTML attribute is maxlength, not max_length.
+            attrs["maxlength"] = str(self.max_length)
+        if self.min_length is not None and not widget.is_hidden:
+            # The HTML attribute is minlength, not min_length.
+            attrs["minlength"] = str(self.min_length)
+        return attrs
+
+
+class IntegerField(Field):
+    widget = NumberInput
+    default_error_messages = {
+        "invalid": _("Enter a whole number."),
+    }
+    re_decimal = _lazy_re_compile(r"\.0*\s*$")
+
+    def __init__(self, *, max_value=None, min_value=None, step_size=None, **kwargs):
+        self.max_value, self.min_value, self.step_size = max_value, min_value, step_size
+        if kwargs.get("localize") and self.widget == NumberInput:
+            # Localized number input is not well supported on most browsers
+            kwargs.setdefault("widget", super().widget)
+        super().__init__(**kwargs)
+
+        if max_value is not None:
+            self.validators.append(validators.MaxValueValidator(max_value))
+        if min_value is not None:
+            self.validators.append(validators.MinValueValidator(min_value))
+        if step_size is not None:
+            self.validators.append(
+                validators.StepValueValidator(step_size, offset=min_value)
+            )
+
+    def to_python(self, value):
+        """
+        Validate that int() can be called on the input. Return the result
+        of int() or None for empty values.
+        """
+        value = super().to_python(value)
+        if value in self.empty_values:
+            return None
+        if self.localize:
+            value = formats.sanitize_separators(value)
+        # Strip trailing decimal and zeros.
+        try:
+            value = int(self.re_decimal.sub("", str(value)))
+        except (ValueError, TypeError):
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+        return value
+
+    def widget_attrs(self, widget):
+        attrs = super().widget_attrs(widget)
+        if isinstance(widget, NumberInput):
+            if self.min_value is not None:
+                attrs["min"] = self.min_value
+            if self.max_value is not None:
+                attrs["max"] = self.max_value
+            if self.step_size is not None:
+                attrs["step"] = self.step_size
+        return attrs
+
+
+class FloatField(IntegerField):
+    default_error_messages = {
+        "invalid": _("Enter a number."),
+    }
+
+    def to_python(self, value):
+        """
+        Validate that float() can be called on the input. Return the result
+        of float() or None for empty values.
+        """
+        value = super(IntegerField, self).to_python(value)
+        if value in self.empty_values:
+            return None
+        if self.localize:
+            value = formats.sanitize_separators(value)
+        try:
+            value = float(value)
+        except (ValueError, TypeError):
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+        return value
+
+    def validate(self, value):
+        super().validate(value)
+        if value in self.empty_values:
+            return
+        if not math.isfinite(value):
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+
+    def widget_attrs(self, widget):
+        attrs = super().widget_attrs(widget)
+        if isinstance(widget, NumberInput) and "step" not in widget.attrs:
+            if self.step_size is not None:
+                step = str(self.step_size)
+            else:
+                step = "any"
+            attrs.setdefault("step", step)
+        return attrs
+
+
+class DecimalField(IntegerField):
+    default_error_messages = {
+        "invalid": _("Enter a number."),
+    }
+
+    def __init__(
+        self,
+        *,
+        max_value=None,
+        min_value=None,
+        max_digits=None,
+        decimal_places=None,
+        **kwargs,
+    ):
+        self.max_digits, self.decimal_places = max_digits, decimal_places
+        super().__init__(max_value=max_value, min_value=min_value, **kwargs)
+        self.validators.append(validators.DecimalValidator(max_digits, decimal_places))
+
+    def to_python(self, value):
+        """
+        Validate that the input is a decimal number. Return a Decimal
+        instance or None for empty values. Ensure that there are no more
+        than max_digits in the number and no more than decimal_places digits
+        after the decimal point.
+        """
+        if value in self.empty_values:
+            return None
+        if self.localize:
+            value = formats.sanitize_separators(value)
+        try:
+            value = Decimal(str(value))
+        except DecimalException:
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+        return value
+
+    def validate(self, value):
+        super().validate(value)
+        if value in self.empty_values:
+            return
+        if not value.is_finite():
+            raise ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={"value": value},
+            )
+
+    def widget_attrs(self, widget):
+        attrs = super().widget_attrs(widget)
+        if isinstance(widget, NumberInput) and "step" not in widget.attrs:
+            if self.decimal_places is not None:
+                # Use exponential notation for small values since they might
+                # be parsed as 0 otherwise. ref #20765
+                step = str(Decimal(1).scaleb(-self.decimal_places)).lower()
+            else:
+                step = "any"
+            attrs.setdefault("step", step)
+        return attrs
+
+
+class BaseTemporalField(Field):
+    def __init__(self, *, input_formats=None, **kwargs):
+        super().__init__(**kwargs)
+        if input_formats is not None:
+            self.input_formats = input_formats
+
+    def to_python(self, value):
+        value = value.strip()
+        # Try to strptime against each input format.
+        for format in self.input_formats:
+            try:
+                return self.strptime(value, format)
+            except (ValueError, TypeError):
+                continue
+        raise ValidationError(self.error_messages["invalid"], code="invalid")
+
+    def strptime(self, value, format):
+        raise NotImplementedError("Subclasses must define this method.")
+
+
+class DateField(BaseTemporalField):
+    widget = DateInput
+    input_formats = formats.get_format_lazy("DATE_INPUT_FORMATS")
+    default_error_messages = {
+        "invalid": _("Enter a valid date."),
+    }
+
+    def to_python(self, value):
+        """
+        Validate that the input can be converted to a date. Return a Python
+        datetime.date object.
+        """
+        if value in self.empty_values:
+            return None
+        if isinstance(value, datetime.datetime):
+            return value.date()
+        if isinstance(value, datetime.date):
+            return value
+        return super().to_python(value)
+
+    def strptime(self, value, format):
+        return datetime.datetime.strptime(value, format).date()
+
+
+class TimeField(BaseTemporalField):
+    widget = TimeInput
+    input_formats = formats.get_format_lazy("TIME_INPUT_FORMATS")
+    default_error_messages = {"invalid": _("Enter a valid time.")}
+
+    def to_python(self, value):
+        """
+        Validate that the input can be converted to a time. Return a Python
+        datetime.time object.
+        """
+        if value in self.empty_values:
+            return None
+        if isinstance(value, datetime.time):
+            return value
+        return super().to_python(value)
+
+    def strptime(self, value, format):
+        return datetime.datetime.strptime(value, format).time()
+
+
+class DateTimeFormatsIterator:
+    def __iter__(self):
+        yield from formats.get_format("DATETIME_INPUT_FORMATS")
+        yield from formats.get_format("DATE_INPUT_FORMATS")
+
+
+class DateTimeField(BaseTemporalField):
+    widget = DateTimeInput
+    input_formats = DateTimeFormatsIterator()
+    default_error_messages = {
+        "invalid": _("Enter a valid date/time."),
+    }
+
+    def prepare_value(self, value):
+        if isinstance(value, datetime.datetime):
+            value = to_current_timezone(value)
+        return value
+
+    def to_python(self, value):
+        """
+        Validate that the input can be converted to a datetime. Return a
+        Python datetime.datetime object.
+        """
+        if value in self.empty_values:
+            return None
+        if isinstance(value, datetime.datetime):
+            return from_current_timezone(value)
+        if isinstance(value, datetime.date):
+            result = datetime.datetime(value.year, value.month, value.day)
+            return from_current_timezone(result)
+        try:
+            result = parse_datetime(value.strip())
+        except ValueError:
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+        if not result:
+            result = super().to_python(value)
+        return from_current_timezone(result)
+
+    def strptime(self, value, format):
+        return datetime.datetime.strptime(value, format)
+
+
+class DurationField(Field):
+    default_error_messages = {
+        "invalid": _("Enter a valid duration."),
+        "overflow": _("The number of days must be between {min_days} and {max_days}."),
+    }
+
+    def prepare_value(self, value):
+        if isinstance(value, datetime.timedelta):
+            return duration_string(value)
+        return value
+
+    def to_python(self, value):
+        if value in self.empty_values:
+            return None
+        if isinstance(value, datetime.timedelta):
+            return value
+        try:
+            value = parse_duration(str(value))
+        except OverflowError:
+            raise ValidationError(
+                self.error_messages["overflow"].format(
+                    min_days=datetime.timedelta.min.days,
+                    max_days=datetime.timedelta.max.days,
+                ),
+                code="overflow",
+            )
+        if value is None:
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+        return value
+
+
+class RegexField(CharField):
+    def __init__(self, regex, **kwargs):
+        """
+        regex can be either a string or a compiled regular expression object.
+        """
+        kwargs.setdefault("strip", False)
+        super().__init__(**kwargs)
+        self._set_regex(regex)
+
+    def _get_regex(self):
+        return self._regex
+
+    def _set_regex(self, regex):
+        if isinstance(regex, str):
+            regex = re.compile(regex)
+        self._regex = regex
+        if (
+            hasattr(self, "_regex_validator")
+            and self._regex_validator in self.validators
+        ):
+            self.validators.remove(self._regex_validator)
+        self._regex_validator = validators.RegexValidator(regex=regex)
+        self.validators.append(self._regex_validator)
+
+    regex = property(_get_regex, _set_regex)
+
+
+class EmailField(CharField):
+    widget = EmailInput
+    default_validators = [validators.validate_email]
+
+    def __init__(self, **kwargs):
+        # The default maximum length of an email is 320 characters per RFC 3696
+        # section 3.
+        kwargs.setdefault("max_length", 320)
+        super().__init__(strip=True, **kwargs)
+
+
+class FileField(Field):
+    widget = ClearableFileInput
+    default_error_messages = {
+        "invalid": _("No file was submitted. Check the encoding type on the form."),
+        "missing": _("No file was submitted."),
+        "empty": _("The submitted file is empty."),
+        "max_length": ngettext_lazy(
+            "Ensure this filename has at most %(max)d character (it has %(length)d).",
+            "Ensure this filename has at most %(max)d characters (it has %(length)d).",
+            "max",
+        ),
+        "contradiction": _(
+            "Please either submit a file or check the clear checkbox, not both."
+        ),
+    }
+
+    def __init__(self, *, max_length=None, allow_empty_file=False, **kwargs):
+        self.max_length = max_length
+        self.allow_empty_file = allow_empty_file
+        super().__init__(**kwargs)
+
+    def to_python(self, data):
+        if data in self.empty_values:
+            return None
+
+        # UploadedFile objects should have name and size attributes.
+        try:
+            file_name = data.name
+            file_size = data.size
+        except AttributeError:
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+
+        if self.max_length is not None and len(file_name) > self.max_length:
+            params = {"max": self.max_length, "length": len(file_name)}
+            raise ValidationError(
+                self.error_messages["max_length"], code="max_length", params=params
+            )
+        if not file_name:
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+        if not self.allow_empty_file and not file_size:
+            raise ValidationError(self.error_messages["empty"], code="empty")
+
+        return data
+
+    def clean(self, data, initial=None):
+        # If the widget got contradictory inputs, we raise a validation error
+        if data is FILE_INPUT_CONTRADICTION:
+            raise ValidationError(
+                self.error_messages["contradiction"], code="contradiction"
+            )
+        # False means the field value should be cleared; further validation is
+        # not needed.
+        if data is False:
+            if not self.required:
+                return False
+            # If the field is required, clearing is not possible (the widget
+            # shouldn't return False data in that case anyway). False is not
+            # in self.empty_value; if a False value makes it this far
+            # it should be validated from here on out as None (so it will be
+            # caught by the required check).
+            data = None
+        if not data and initial:
+            return initial
+        return super().clean(data)
+
+    def bound_data(self, _, initial):
+        return initial
+
+    def has_changed(self, initial, data):
+        return not self.disabled and data is not None
+
+
+class ImageField(FileField):
+    default_validators = [validators.validate_image_file_extension]
+    default_error_messages = {
+        "invalid_image": _(
+            "Upload a valid image. The file you uploaded was either not an "
+            "image or a corrupted image."
+        ),
+    }
+
+    def to_python(self, data):
+        """
+        Check that the file-upload field data contains a valid image (GIF, JPG,
+        PNG, etc. -- whatever Pillow supports).
+        """
+        f = super().to_python(data)
+        if f is None:
+            return None
+
+        from PIL import Image
+
+        # We need to get a file object for Pillow. We might have a path or we might
+        # have to read the data into memory.
+        if hasattr(data, "temporary_file_path"):
+            file = data.temporary_file_path()
+        else:
+            if hasattr(data, "read"):
+                file = BytesIO(data.read())
+            else:
+                file = BytesIO(data["content"])
+
+        try:
+            # load() could spot a truncated JPEG, but it loads the entire
+            # image in memory, which is a DoS vector. See #3848 and #18520.
+            image = Image.open(file)
+            # verify() must be called immediately after the constructor.
+            image.verify()
+
+            # Annotating so subclasses can reuse it for their own validation
+            f.image = image
+            # Pillow doesn't detect the MIME type of all formats. In those
+            # cases, content_type will be None.
+            f.content_type = Image.MIME.get(image.format)
+        except Exception as exc:
+            # Pillow doesn't recognize it as an image.
+            raise ValidationError(
+                self.error_messages["invalid_image"],
+                code="invalid_image",
+            ) from exc
+        if hasattr(f, "seek") and callable(f.seek):
+            f.seek(0)
+        return f
+
+    def widget_attrs(self, widget):
+        attrs = super().widget_attrs(widget)
+        if isinstance(widget, FileInput) and "accept" not in widget.attrs:
+            attrs.setdefault("accept", "image/*")
+        return attrs
+
+
+class URLField(CharField):
+    widget = URLInput
+    default_error_messages = {
+        "invalid": _("Enter a valid URL."),
+    }
+    default_validators = [validators.URLValidator()]
+
+    def __init__(self, *, assume_scheme=None, **kwargs):
+        if assume_scheme is None:
+            if settings.FORMS_URLFIELD_ASSUME_HTTPS:
+                assume_scheme = "https"
+            else:
+                warnings.warn(
+                    "The default scheme will be changed from 'http' to 'https' in "
+                    "Django 6.0. Pass the forms.URLField.assume_scheme argument to "
+                    "silence this warning, or set the FORMS_URLFIELD_ASSUME_HTTPS "
+                    "transitional setting to True to opt into using 'https' as the new "
+                    "default scheme.",
+                    RemovedInDjango60Warning,
+                    stacklevel=2,
+                )
+                assume_scheme = "http"
+        # RemovedInDjango60Warning: When the deprecation ends, replace with:
+        # self.assume_scheme = assume_scheme or "https"
+        self.assume_scheme = assume_scheme
+        super().__init__(strip=True, **kwargs)
+
+    def to_python(self, value):
+        def split_url(url):
+            """
+            Return a list of url parts via urlparse.urlsplit(), or raise
+            ValidationError for some malformed URLs.
+            """
+            try:
+                return list(urlsplit(url))
+            except ValueError:
+                # urlparse.urlsplit can raise a ValueError with some
+                # misformatted URLs.
+                raise ValidationError(self.error_messages["invalid"], code="invalid")
+
+        value = super().to_python(value)
+        if value:
+            url_fields = split_url(value)
+            if not url_fields[0]:
+                # If no URL scheme given, add a scheme.
+                url_fields[0] = self.assume_scheme
+            if not url_fields[1]:
+                # Assume that if no domain is provided, that the path segment
+                # contains the domain.
+                url_fields[1] = url_fields[2]
+                url_fields[2] = ""
+                # Rebuild the url_fields list, since the domain segment may now
+                # contain the path too.
+                url_fields = split_url(urlunsplit(url_fields))
+            value = urlunsplit(url_fields)
+        return value
+
+
+class BooleanField(Field):
+    widget = CheckboxInput
+
+    def to_python(self, value):
+        """Return a Python boolean object."""
+        # Explicitly check for the string 'False', which is what a hidden field
+        # will submit for False. Also check for '0', since this is what
+        # RadioSelect will provide. Because bool("True") == bool('1') == True,
+        # we don't need to handle that explicitly.
+        if isinstance(value, str) and value.lower() in ("false", "0"):
+            value = False
+        else:
+            value = bool(value)
+        return super().to_python(value)
+
+    def validate(self, value):
+        if not value and self.required:
+            raise ValidationError(self.error_messages["required"], code="required")
+
+    def has_changed(self, initial, data):
+        if self.disabled:
+            return False
+        # Sometimes data or initial may be a string equivalent of a boolean
+        # so we should run it through to_python first to get a boolean value
+        return self.to_python(initial) != self.to_python(data)
+
+
+class NullBooleanField(BooleanField):
+    """
+    A field whose valid values are None, True, and False. Clean invalid values
+    to None.
+    """
+
+    widget = NullBooleanSelect
+
+    def to_python(self, value):
+        """
+        Explicitly check for the string 'True' and 'False', which is what a
+        hidden field will submit for True and False, for 'true' and 'false',
+        which are likely to be returned by JavaScript serializations of forms,
+        and for '1' and '0', which is what a RadioField will submit. Unlike
+        the Booleanfield, this field must check for True because it doesn't
+        use the bool() function.
+        """
+        if value in (True, "True", "true", "1"):
+            return True
+        elif value in (False, "False", "false", "0"):
+            return False
+        else:
+            return None
+
+    def validate(self, value):
+        pass
+
+
+class ChoiceField(Field):
+    widget = Select
+    default_error_messages = {
+        "invalid_choice": _(
+            "Select a valid choice. %(value)s is not one of the available choices."
+        ),
+    }
+
+    def __init__(self, *, choices=(), **kwargs):
+        super().__init__(**kwargs)
+        self.choices = choices
+
+    def __deepcopy__(self, memo):
+        result = super().__deepcopy__(memo)
+        result._choices = copy.deepcopy(self._choices, memo)
+        return result
+
+    @property
+    def choices(self):
+        return self._choices
+
+    @choices.setter
+    def choices(self, value):
+        # Setting choices on the field also sets the choices on the widget.
+        # Note that the property setter for the widget will re-normalize.
+        self._choices = self.widget.choices = normalize_choices(value)
+
+    def to_python(self, value):
+        """Return a string."""
+        if value in self.empty_values:
+            return ""
+        return str(value)
+
+    def validate(self, value):
+        """Validate that the input is in self.choices."""
+        super().validate(value)
+        if value and not self.valid_value(value):
+            raise ValidationError(
+                self.error_messages["invalid_choice"],
+                code="invalid_choice",
+                params={"value": value},
+            )
+
+    def valid_value(self, value):
+        """Check to see if the provided value is a valid choice."""
+        text_value = str(value)
+        for k, v in self.choices:
+            if isinstance(v, (list, tuple)):
+                # This is an optgroup, so look inside the group for options
+                for k2, v2 in v:
+                    if value == k2 or text_value == str(k2):
+                        return True
+            else:
+                if value == k or text_value == str(k):
+                    return True
+        return False
+
+
+class TypedChoiceField(ChoiceField):
+    def __init__(self, *, coerce=lambda val: val, empty_value="", **kwargs):
+        self.coerce = coerce
+        self.empty_value = empty_value
+        super().__init__(**kwargs)
+
+    def _coerce(self, value):
+        """
+        Validate that the value can be coerced to the right type (if not empty).
+        """
+        if value == self.empty_value or value in self.empty_values:
+            return self.empty_value
+        try:
+            value = self.coerce(value)
+        except (ValueError, TypeError, ValidationError):
+            raise ValidationError(
+                self.error_messages["invalid_choice"],
+                code="invalid_choice",
+                params={"value": value},
+            )
+        return value
+
+    def clean(self, value):
+        value = super().clean(value)
+        return self._coerce(value)
+
+
+class MultipleChoiceField(ChoiceField):
+    hidden_widget = MultipleHiddenInput
+    widget = SelectMultiple
+    default_error_messages = {
+        "invalid_choice": _(
+            "Select a valid choice. %(value)s is not one of the available choices."
+        ),
+        "invalid_list": _("Enter a list of values."),
+    }
+
+    def to_python(self, value):
+        if not value:
+            return []
+        elif not isinstance(value, (list, tuple)):
+            raise ValidationError(
+                self.error_messages["invalid_list"], code="invalid_list"
+            )
+        return [str(val) for val in value]
+
+    def validate(self, value):
+        """Validate that the input is a list or tuple."""
+        if self.required and not value:
+            raise ValidationError(self.error_messages["required"], code="required")
+        # Validate that each value in the value list is in self.choices.
+        for val in value:
+            if not self.valid_value(val):
+                raise ValidationError(
+                    self.error_messages["invalid_choice"],
+                    code="invalid_choice",
+                    params={"value": val},
+                )
+
+    def has_changed(self, initial, data):
+        if self.disabled:
+            return False
+        if initial is None:
+            initial = []
+        if data is None:
+            data = []
+        if len(initial) != len(data):
+            return True
+        initial_set = {str(value) for value in initial}
+        data_set = {str(value) for value in data}
+        return data_set != initial_set
+
+
+class TypedMultipleChoiceField(MultipleChoiceField):
+    def __init__(self, *, coerce=lambda val: val, **kwargs):
+        self.coerce = coerce
+        self.empty_value = kwargs.pop("empty_value", [])
+        super().__init__(**kwargs)
+
+    def _coerce(self, value):
+        """
+        Validate that the values are in self.choices and can be coerced to the
+        right type.
+        """
+        if value == self.empty_value or value in self.empty_values:
+            return self.empty_value
+        new_value = []
+        for choice in value:
+            try:
+                new_value.append(self.coerce(choice))
+            except (ValueError, TypeError, ValidationError):
+                raise ValidationError(
+                    self.error_messages["invalid_choice"],
+                    code="invalid_choice",
+                    params={"value": choice},
+                )
+        return new_value
+
+    def clean(self, value):
+        value = super().clean(value)
+        return self._coerce(value)
+
+    def validate(self, value):
+        if value != self.empty_value:
+            super().validate(value)
+        elif self.required:
+            raise ValidationError(self.error_messages["required"], code="required")
+
+
+class ComboField(Field):
+    """
+    A Field whose clean() method calls multiple Field clean() methods.
+    """
+
+    def __init__(self, fields, **kwargs):
+        super().__init__(**kwargs)
+        # Set 'required' to False on the individual fields, because the
+        # required validation will be handled by ComboField, not by those
+        # individual fields.
+        for f in fields:
+            f.required = False
+        self.fields = fields
+
+    def clean(self, value):
+        """
+        Validate the given value against all of self.fields, which is a
+        list of Field instances.
+        """
+        super().clean(value)
+        for field in self.fields:
+            value = field.clean(value)
+        return value
+
+
+class MultiValueField(Field):
+    """
+    Aggregate the logic of multiple Fields.
+
+    Its clean() method takes a "decompressed" list of values, which are then
+    cleaned into a single value according to self.fields. Each value in
+    this list is cleaned by the corresponding field -- the first value is
+    cleaned by the first field, the second value is cleaned by the second
+    field, etc. Once all fields are cleaned, the list of clean values is
+    "compressed" into a single value.
+
+    Subclasses should not have to implement clean(). Instead, they must
+    implement compress(), which takes a list of valid values and returns a
+    "compressed" version of those values -- a single value.
+
+    You'll probably want to use this with MultiWidget.
+    """
+
+    default_error_messages = {
+        "invalid": _("Enter a list of values."),
+        "incomplete": _("Enter a complete value."),
+    }
+
+    def __init__(self, fields, *, require_all_fields=True, **kwargs):
+        self.require_all_fields = require_all_fields
+        super().__init__(**kwargs)
+        for f in fields:
+            f.error_messages.setdefault("incomplete", self.error_messages["incomplete"])
+            if self.disabled:
+                f.disabled = True
+            if self.require_all_fields:
+                # Set 'required' to False on the individual fields, because the
+                # required validation will be handled by MultiValueField, not
+                # by those individual fields.
+                f.required = False
+        self.fields = fields
+
+    def __deepcopy__(self, memo):
+        result = super().__deepcopy__(memo)
+        result.fields = tuple(x.__deepcopy__(memo) for x in self.fields)
+        return result
+
+    def validate(self, value):
+        pass
+
+    def clean(self, value):
+        """
+        Validate every value in the given list. A value is validated against
+        the corresponding Field in self.fields.
+
+        For example, if this MultiValueField was instantiated with
+        fields=(DateField(), TimeField()), clean() would call
+        DateField.clean(value[0]) and TimeField.clean(value[1]).
+        """
+        clean_data = []
+        errors = []
+        if self.disabled and not isinstance(value, list):
+            value = self.widget.decompress(value)
+        if not value or isinstance(value, (list, tuple)):
+            if not value or not [v for v in value if v not in self.empty_values]:
+                if self.required:
+                    raise ValidationError(
+                        self.error_messages["required"], code="required"
+                    )
+                else:
+                    return self.compress([])
+        else:
+            raise ValidationError(self.error_messages["invalid"], code="invalid")
+        for i, field in enumerate(self.fields):
+            try:
+                field_value = value[i]
+            except IndexError:
+                field_value = None
+            if field_value in self.empty_values:
+                if self.require_all_fields:
+                    # Raise a 'required' error if the MultiValueField is
+                    # required and any field is empty.
+                    if self.required:
+                        raise ValidationError(
+                            self.error_messages["required"], code="required"
+                        )
+                elif field.required:
+                    # Otherwise, add an 'incomplete' error to the list of
+                    # collected errors and skip field cleaning, if a required
+                    # field is empty.
+                    if field.error_messages["incomplete"] not in errors:
+                        errors.append(field.error_messages["incomplete"])
+                    continue
+            try:
+                clean_data.append(field.clean(field_value))
+            except ValidationError as e:
+                # Collect all validation errors in a single list, which we'll
+                # raise at the end of clean(), rather than raising a single
+                # exception for the first error we encounter. Skip duplicates.
+                errors.extend(m for m in e.error_list if m not in errors)
+        if errors:
+            raise ValidationError(errors)
+
+        out = self.compress(clean_data)
+        self.validate(out)
+        self.run_validators(out)
+        return out
+
+    def compress(self, data_list):
+        """
+        Return a single value for the given list of values. The values can be
+        assumed to be valid.
+
+        For example, if this MultiValueField was instantiated with
+        fields=(DateField(), TimeField()), this might return a datetime
+        object created by combining the date and time in data_list.
+        """
+        raise NotImplementedError("Subclasses must implement this method.")
+
+    def has_changed(self, initial, data):
+        if self.disabled:
+            return False
+        if initial is None:
+            initial = ["" for x in range(0, len(data))]
+        else:
+            if not isinstance(initial, list):
+                initial = self.widget.decompress(initial)
+        for field, initial, data in zip(self.fields, initial, data):
+            try:
+                initial = field.to_python(initial)
+            except ValidationError:
+                return True
+            if field.has_changed(initial, data):
+                return True
+        return False
+
+
+class FilePathField(ChoiceField):
+    def __init__(
+        self,
+        path,
+        *,
+        match=None,
+        recursive=False,
+        allow_files=True,
+        allow_folders=False,
+        **kwargs,
+    ):
+        self.path, self.match, self.recursive = path, match, recursive
+        self.allow_files, self.allow_folders = allow_files, allow_folders
+        super().__init__(choices=(), **kwargs)
+
+        if self.required:
+            self.choices = []
+        else:
+            self.choices = [("", "---------")]
+
+        if self.match is not None:
+            self.match_re = re.compile(self.match)
+
+        if recursive:
+            for root, dirs, files in sorted(os.walk(self.path)):
+                if self.allow_files:
+                    for f in sorted(files):
+                        if self.match is None or self.match_re.search(f):
+                            f = os.path.join(root, f)
+                            self.choices.append((f, f.replace(path, "", 1)))
+                if self.allow_folders:
+                    for f in sorted(dirs):
+                        if f == "__pycache__":
+                            continue
+                        if self.match is None or self.match_re.search(f):
+                            f = os.path.join(root, f)
+                            self.choices.append((f, f.replace(path, "", 1)))
+        else:
+            choices = []
+            with os.scandir(self.path) as entries:
+                for f in entries:
+                    if f.name == "__pycache__":
+                        continue
+                    if (
+                        (self.allow_files and f.is_file())
+                        or (self.allow_folders and f.is_dir())
+                    ) and (self.match is None or self.match_re.search(f.name)):
+                        choices.append((f.path, f.name))
+            choices.sort(key=operator.itemgetter(1))
+            self.choices.extend(choices)
+
+        self.widget.choices = self.choices
+
+
+class SplitDateTimeField(MultiValueField):
+    widget = SplitDateTimeWidget
+    hidden_widget = SplitHiddenDateTimeWidget
+    default_error_messages = {
+        "invalid_date": _("Enter a valid date."),
+        "invalid_time": _("Enter a valid time."),
+    }
+
+    def __init__(self, *, input_date_formats=None, input_time_formats=None, **kwargs):
+        errors = self.default_error_messages.copy()
+        if "error_messages" in kwargs:
+            errors.update(kwargs["error_messages"])
+        localize = kwargs.get("localize", False)
+        fields = (
+            DateField(
+                input_formats=input_date_formats,
+                error_messages={"invalid": errors["invalid_date"]},
+                localize=localize,
+            ),
+            TimeField(
+                input_formats=input_time_formats,
+                error_messages={"invalid": errors["invalid_time"]},
+                localize=localize,
+            ),
+        )
+        super().__init__(fields, **kwargs)
+
+    def compress(self, data_list):
+        if data_list:
+            # Raise a validation error if time or date is empty
+            # (possible if SplitDateTimeField has required=False).
+            if data_list[0] in self.empty_values:
+                raise ValidationError(
+                    self.error_messages["invalid_date"], code="invalid_date"
+                )
+            if data_list[1] in self.empty_values:
+                raise ValidationError(
+                    self.error_messages["invalid_time"], code="invalid_time"
+                )
+            result = datetime.datetime.combine(*data_list)
+            return from_current_timezone(result)
+        return None
+
+
+class GenericIPAddressField(CharField):
+    def __init__(self, *, protocol="both", unpack_ipv4=False, **kwargs):
+        self.unpack_ipv4 = unpack_ipv4
+        self.default_validators = validators.ip_address_validators(
+            protocol, unpack_ipv4
+        )[0]
+        super().__init__(**kwargs)
+
+    def to_python(self, value):
+        if value in self.empty_values:
+            return ""
+        value = value.strip()
+        if value and ":" in value:
+            return clean_ipv6_address(value, self.unpack_ipv4)
+        return value
+
+
+class SlugField(CharField):
+    default_validators = [validators.validate_slug]
+
+    def __init__(self, *, allow_unicode=False, **kwargs):
+        self.allow_unicode = allow_unicode
+        if self.allow_unicode:
+            self.default_validators = [validators.validate_unicode_slug]
+        super().__init__(**kwargs)
+
+
+class UUIDField(CharField):
+    default_error_messages = {
+        "invalid": _("Enter a valid UUID."),
+    }
+
+    def prepare_value(self, value):
+        if isinstance(value, uuid.UUID):
+            return str(value)
+        return value
+
+    def to_python(self, value):
+        value = super().to_python(value)
+        if value in self.empty_values:
+            return None
+        if not isinstance(value, uuid.UUID):
+            try:
+                value = uuid.UUID(value)
+            except ValueError:
+                raise ValidationError(self.error_messages["invalid"], code="invalid")
+        return value
+
+
+class InvalidJSONInput(str):
+    pass
+
+
+class JSONString(str):
+    pass
+
+
+class JSONField(CharField):
+    default_error_messages = {
+        "invalid": _("Enter a valid JSON."),
+    }
+    widget = Textarea
+
+    def __init__(self, encoder=None, decoder=None, **kwargs):
+        self.encoder = encoder
+        self.decoder = decoder
+        super().__init__(**kwargs)
+
+    def to_python(self, value):
+        if self.disabled:
+            return value
+        if value in self.empty_values:
+            return None
+        elif isinstance(value, (list, dict, int, float, JSONString)):
+            return value
+        try:
+            converted = json.loads(value, cls=self.decoder)
+        except json.JSONDecodeError:
+            raise ValidationError(
+                self.error_messages["invalid"],
+                code="invalid",
+                params={"value": value},
+            )
+        if isinstance(converted, str):
+            return JSONString(converted)
+        else:
+            return converted
+
+    def bound_data(self, data, initial):
+        if self.disabled:
+            return initial
+        if data is None:
+            return None
+        try:
+            return json.loads(data, cls=self.decoder)
+        except json.JSONDecodeError:
+            return InvalidJSONInput(data)
+
+    def prepare_value(self, value):
+        if isinstance(value, InvalidJSONInput):
+            return value
+        return json.dumps(value, ensure_ascii=False, cls=self.encoder)
+
+    def has_changed(self, initial, data):
+        if super().has_changed(initial, data):
+            return True
+        # For purposes of seeing whether something has changed, True isn't the
+        # same as 1 and the order of keys doesn't matter.
+        return json.dumps(initial, sort_keys=True, cls=self.encoder) != json.dumps(
+            self.to_python(data), sort_keys=True, cls=self.encoder
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/forms.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/forms.py
new file mode 100644
index 00000000..b99ec824
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/forms.py
@@ -0,0 +1,433 @@
+"""
+Form classes
+"""
+
+import copy
+import datetime
+
+from django.core.exceptions import NON_FIELD_ERRORS, ValidationError
+from django.forms.fields import Field, FileField
+from django.forms.utils import ErrorDict, ErrorList, RenderableFormMixin
+from django.forms.widgets import Media, MediaDefiningClass
+from django.utils.datastructures import MultiValueDict
+from django.utils.functional import cached_property
+from django.utils.translation import gettext as _
+
+from .renderers import get_default_renderer
+
+__all__ = ("BaseForm", "Form")
+
+
+class DeclarativeFieldsMetaclass(MediaDefiningClass):
+    """Collect Fields declared on the base classes."""
+
+    def __new__(mcs, name, bases, attrs):
+        # Collect fields from current class and remove them from attrs.
+        attrs["declared_fields"] = {
+            key: attrs.pop(key)
+            for key, value in list(attrs.items())
+            if isinstance(value, Field)
+        }
+
+        new_class = super().__new__(mcs, name, bases, attrs)
+
+        # Walk through the MRO.
+        declared_fields = {}
+        for base in reversed(new_class.__mro__):
+            # Collect fields from base class.
+            if hasattr(base, "declared_fields"):
+                declared_fields.update(base.declared_fields)
+
+            # Field shadowing.
+            for attr, value in base.__dict__.items():
+                if value is None and attr in declared_fields:
+                    declared_fields.pop(attr)
+
+        new_class.base_fields = declared_fields
+        new_class.declared_fields = declared_fields
+
+        return new_class
+
+
+class BaseForm(RenderableFormMixin):
+    """
+    The main implementation of all the Form logic. Note that this class is
+    different than Form. See the comments by the Form class for more info. Any
+    improvements to the form API should be made to this class, not to the Form
+    class.
+    """
+
+    default_renderer = None
+    field_order = None
+    prefix = None
+    use_required_attribute = True
+
+    template_name_div = "django/forms/div.html"
+    template_name_p = "django/forms/p.html"
+    template_name_table = "django/forms/table.html"
+    template_name_ul = "django/forms/ul.html"
+    template_name_label = "django/forms/label.html"
+
+    def __init__(
+        self,
+        data=None,
+        files=None,
+        auto_id="id_%s",
+        prefix=None,
+        initial=None,
+        error_class=ErrorList,
+        label_suffix=None,
+        empty_permitted=False,
+        field_order=None,
+        use_required_attribute=None,
+        renderer=None,
+    ):
+        self.is_bound = data is not None or files is not None
+        self.data = MultiValueDict() if data is None else data
+        self.files = MultiValueDict() if files is None else files
+        self.auto_id = auto_id
+        if prefix is not None:
+            self.prefix = prefix
+        self.initial = initial or {}
+        self.error_class = error_class
+        # Translators: This is the default suffix added to form field labels
+        self.label_suffix = label_suffix if label_suffix is not None else _(":")
+        self.empty_permitted = empty_permitted
+        self._errors = None  # Stores the errors after clean() has been called.
+
+        # The base_fields class attribute is the *class-wide* definition of
+        # fields. Because a particular *instance* of the class might want to
+        # alter self.fields, we create self.fields here by copying base_fields.
+        # Instances should always modify self.fields; they should not modify
+        # self.base_fields.
+        self.fields = copy.deepcopy(self.base_fields)
+        self._bound_fields_cache = {}
+        self.order_fields(self.field_order if field_order is None else field_order)
+
+        if use_required_attribute is not None:
+            self.use_required_attribute = use_required_attribute
+
+        if self.empty_permitted and self.use_required_attribute:
+            raise ValueError(
+                "The empty_permitted and use_required_attribute arguments may "
+                "not both be True."
+            )
+
+        # Initialize form renderer. Use a global default if not specified
+        # either as an argument or as self.default_renderer.
+        if renderer is None:
+            if self.default_renderer is None:
+                renderer = get_default_renderer()
+            else:
+                renderer = self.default_renderer
+                if isinstance(self.default_renderer, type):
+                    renderer = renderer()
+        self.renderer = renderer
+
+    def order_fields(self, field_order):
+        """
+        Rearrange the fields according to field_order.
+
+        field_order is a list of field names specifying the order. Append fields
+        not included in the list in the default order for backward compatibility
+        with subclasses not overriding field_order. If field_order is None,
+        keep all fields in the order defined in the class. Ignore unknown
+        fields in field_order to allow disabling fields in form subclasses
+        without redefining ordering.
+        """
+        if field_order is None:
+            return
+        fields = {}
+        for key in field_order:
+            try:
+                fields[key] = self.fields.pop(key)
+            except KeyError:  # ignore unknown fields
+                pass
+        fields.update(self.fields)  # add remaining fields in original order
+        self.fields = fields
+
+    def __repr__(self):
+        if self._errors is None:
+            is_valid = "Unknown"
+        else:
+            is_valid = self.is_bound and not self._errors
+        return "<%(cls)s bound=%(bound)s, valid=%(valid)s, fields=(%(fields)s)>" % {
+            "cls": self.__class__.__name__,
+            "bound": self.is_bound,
+            "valid": is_valid,
+            "fields": ";".join(self.fields),
+        }
+
+    def _bound_items(self):
+        """Yield (name, bf) pairs, where bf is a BoundField object."""
+        for name in self.fields:
+            yield name, self[name]
+
+    def __iter__(self):
+        """Yield the form's fields as BoundField objects."""
+        for name in self.fields:
+            yield self[name]
+
+    def __getitem__(self, name):
+        """Return a BoundField with the given name."""
+        try:
+            field = self.fields[name]
+        except KeyError:
+            raise KeyError(
+                "Key '%s' not found in '%s'. Choices are: %s."
+                % (
+                    name,
+                    self.__class__.__name__,
+                    ", ".join(sorted(self.fields)),
+                )
+            )
+        if name not in self._bound_fields_cache:
+            self._bound_fields_cache[name] = field.get_bound_field(self, name)
+        return self._bound_fields_cache[name]
+
+    @property
+    def errors(self):
+        """Return an ErrorDict for the data provided for the form."""
+        if self._errors is None:
+            self.full_clean()
+        return self._errors
+
+    def is_valid(self):
+        """Return True if the form has no errors, or False otherwise."""
+        return self.is_bound and not self.errors
+
+    def add_prefix(self, field_name):
+        """
+        Return the field name with a prefix appended, if this Form has a
+        prefix set.
+
+        Subclasses may wish to override.
+        """
+        return "%s-%s" % (self.prefix, field_name) if self.prefix else field_name
+
+    def add_initial_prefix(self, field_name):
+        """Add an 'initial' prefix for checking dynamic initial values."""
+        return "initial-%s" % self.add_prefix(field_name)
+
+    def _widget_data_value(self, widget, html_name):
+        # value_from_datadict() gets the data from the data dictionaries.
+        # Each widget type knows how to retrieve its own data, because some
+        # widgets split data over several HTML fields.
+        return widget.value_from_datadict(self.data, self.files, html_name)
+
+    @property
+    def template_name(self):
+        return self.renderer.form_template_name
+
+    def get_context(self):
+        fields = []
+        hidden_fields = []
+        top_errors = self.non_field_errors().copy()
+        for name, bf in self._bound_items():
+            bf_errors = self.error_class(bf.errors, renderer=self.renderer)
+            if bf.is_hidden:
+                if bf_errors:
+                    top_errors += [
+                        _("(Hidden field %(name)s) %(error)s")
+                        % {"name": name, "error": str(e)}
+                        for e in bf_errors
+                    ]
+                hidden_fields.append(bf)
+            else:
+                errors_str = str(bf_errors)
+                fields.append((bf, errors_str))
+        return {
+            "form": self,
+            "fields": fields,
+            "hidden_fields": hidden_fields,
+            "errors": top_errors,
+        }
+
+    def non_field_errors(self):
+        """
+        Return an ErrorList of errors that aren't associated with a particular
+        field -- i.e., from Form.clean(). Return an empty ErrorList if there
+        are none.
+        """
+        return self.errors.get(
+            NON_FIELD_ERRORS,
+            self.error_class(error_class="nonfield", renderer=self.renderer),
+        )
+
+    def add_error(self, field, error):
+        """
+        Update the content of `self._errors`.
+
+        The `field` argument is the name of the field to which the errors
+        should be added. If it's None, treat the errors as NON_FIELD_ERRORS.
+
+        The `error` argument can be a single error, a list of errors, or a
+        dictionary that maps field names to lists of errors. An "error" can be
+        either a simple string or an instance of ValidationError with its
+        message attribute set and a "list or dictionary" can be an actual
+        `list` or `dict` or an instance of ValidationError with its
+        `error_list` or `error_dict` attribute set.
+
+        If `error` is a dictionary, the `field` argument *must* be None and
+        errors will be added to the fields that correspond to the keys of the
+        dictionary.
+        """
+        if not isinstance(error, ValidationError):
+            # Normalize to ValidationError and let its constructor
+            # do the hard work of making sense of the input.
+            error = ValidationError(error)
+
+        if hasattr(error, "error_dict"):
+            if field is not None:
+                raise TypeError(
+                    "The argument `field` must be `None` when the `error` "
+                    "argument contains errors for multiple fields."
+                )
+            else:
+                error = error.error_dict
+        else:
+            error = {field or NON_FIELD_ERRORS: error.error_list}
+
+        for field, error_list in error.items():
+            if field not in self.errors:
+                if field != NON_FIELD_ERRORS and field not in self.fields:
+                    raise ValueError(
+                        "'%s' has no field named '%s'."
+                        % (self.__class__.__name__, field)
+                    )
+                if field == NON_FIELD_ERRORS:
+                    self._errors[field] = self.error_class(
+                        error_class="nonfield", renderer=self.renderer
+                    )
+                else:
+                    self._errors[field] = self.error_class(renderer=self.renderer)
+            self._errors[field].extend(error_list)
+            if field in self.cleaned_data:
+                del self.cleaned_data[field]
+
+    def has_error(self, field, code=None):
+        return field in self.errors and (
+            code is None
+            or any(error.code == code for error in self.errors.as_data()[field])
+        )
+
+    def full_clean(self):
+        """
+        Clean all of self.data and populate self._errors and self.cleaned_data.
+        """
+        self._errors = ErrorDict()
+        if not self.is_bound:  # Stop further processing.
+            return
+        self.cleaned_data = {}
+        # If the form is permitted to be empty, and none of the form data has
+        # changed from the initial data, short circuit any validation.
+        if self.empty_permitted and not self.has_changed():
+            return
+
+        self._clean_fields()
+        self._clean_form()
+        self._post_clean()
+
+    def _clean_fields(self):
+        for name, bf in self._bound_items():
+            field = bf.field
+            value = bf.initial if field.disabled else bf.data
+            try:
+                if isinstance(field, FileField):
+                    value = field.clean(value, bf.initial)
+                else:
+                    value = field.clean(value)
+                self.cleaned_data[name] = value
+                if hasattr(self, "clean_%s" % name):
+                    value = getattr(self, "clean_%s" % name)()
+                    self.cleaned_data[name] = value
+            except ValidationError as e:
+                self.add_error(name, e)
+
+    def _clean_form(self):
+        try:
+            cleaned_data = self.clean()
+        except ValidationError as e:
+            self.add_error(None, e)
+        else:
+            if cleaned_data is not None:
+                self.cleaned_data = cleaned_data
+
+    def _post_clean(self):
+        """
+        An internal hook for performing additional cleaning after form cleaning
+        is complete. Used for model validation in model forms.
+        """
+        pass
+
+    def clean(self):
+        """
+        Hook for doing any extra form-wide cleaning after Field.clean() has been
+        called on every field. Any ValidationError raised by this method will
+        not be associated with a particular field; it will have a special-case
+        association with the field named '__all__'.
+        """
+        return self.cleaned_data
+
+    def has_changed(self):
+        """Return True if data differs from initial."""
+        return bool(self.changed_data)
+
+    @cached_property
+    def changed_data(self):
+        return [name for name, bf in self._bound_items() if bf._has_changed()]
+
+    @property
+    def media(self):
+        """Return all media required to render the widgets on this form."""
+        media = Media()
+        for field in self.fields.values():
+            media += field.widget.media
+        return media
+
+    def is_multipart(self):
+        """
+        Return True if the form needs to be multipart-encoded, i.e. it has
+        FileInput, or False otherwise.
+        """
+        return any(field.widget.needs_multipart_form for field in self.fields.values())
+
+    def hidden_fields(self):
+        """
+        Return a list of all the BoundField objects that are hidden fields.
+        Useful for manual form layout in templates.
+        """
+        return [field for field in self if field.is_hidden]
+
+    def visible_fields(self):
+        """
+        Return a list of BoundField objects that aren't hidden fields.
+        The opposite of the hidden_fields() method.
+        """
+        return [field for field in self if not field.is_hidden]
+
+    def get_initial_for_field(self, field, field_name):
+        """
+        Return initial data for field on form. Use initial data from the form
+        or the field, in that order. Evaluate callable values.
+        """
+        value = self.initial.get(field_name, field.initial)
+        if callable(value):
+            value = value()
+        # If this is an auto-generated default date, nix the microseconds
+        # for standardized handling. See #22502.
+        if (
+            isinstance(value, (datetime.datetime, datetime.time))
+            and not field.widget.supports_microseconds
+        ):
+            value = value.replace(microsecond=0)
+        return value
+
+
+class Form(BaseForm, metaclass=DeclarativeFieldsMetaclass):
+    "A collection of Fields, plus their associated data."
+    # This is a separate class from BaseForm in order to abstract the way
+    # self.fields is specified. This class (Form) is the one that does the
+    # fancy metaclass stuff purely for the semantic sugar -- it allows one
+    # to define a form using declarative syntax.
+    # BaseForm itself has no way of designating self.fields.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/formsets.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/formsets.py
new file mode 100644
index 00000000..e2797516
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/formsets.py
@@ -0,0 +1,579 @@
+from django.core.exceptions import ValidationError
+from django.forms import Form
+from django.forms.fields import BooleanField, IntegerField
+from django.forms.renderers import get_default_renderer
+from django.forms.utils import ErrorList, RenderableFormMixin
+from django.forms.widgets import CheckboxInput, HiddenInput, NumberInput
+from django.utils.functional import cached_property
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ngettext_lazy
+
+__all__ = ("BaseFormSet", "formset_factory", "all_valid")
+
+# special field names
+TOTAL_FORM_COUNT = "TOTAL_FORMS"
+INITIAL_FORM_COUNT = "INITIAL_FORMS"
+MIN_NUM_FORM_COUNT = "MIN_NUM_FORMS"
+MAX_NUM_FORM_COUNT = "MAX_NUM_FORMS"
+ORDERING_FIELD_NAME = "ORDER"
+DELETION_FIELD_NAME = "DELETE"
+
+# default minimum number of forms in a formset
+DEFAULT_MIN_NUM = 0
+
+# default maximum number of forms in a formset, to prevent memory exhaustion
+DEFAULT_MAX_NUM = 1000
+
+
+class ManagementForm(Form):
+    """
+    Keep track of how many form instances are displayed on the page. If adding
+    new forms via JavaScript, you should increment the count field of this form
+    as well.
+    """
+
+    TOTAL_FORMS = IntegerField(widget=HiddenInput)
+    INITIAL_FORMS = IntegerField(widget=HiddenInput)
+    # MIN_NUM_FORM_COUNT and MAX_NUM_FORM_COUNT are output with the rest of the
+    # management form, but only for the convenience of client-side code. The
+    # POST value of them returned from the client is not checked.
+    MIN_NUM_FORMS = IntegerField(required=False, widget=HiddenInput)
+    MAX_NUM_FORMS = IntegerField(required=False, widget=HiddenInput)
+
+    def clean(self):
+        cleaned_data = super().clean()
+        # When the management form is invalid, we don't know how many forms
+        # were submitted.
+        cleaned_data.setdefault(TOTAL_FORM_COUNT, 0)
+        cleaned_data.setdefault(INITIAL_FORM_COUNT, 0)
+        return cleaned_data
+
+
+class BaseFormSet(RenderableFormMixin):
+    """
+    A collection of instances of the same Form class.
+    """
+
+    deletion_widget = CheckboxInput
+    ordering_widget = NumberInput
+    default_error_messages = {
+        "missing_management_form": _(
+            "ManagementForm data is missing or has been tampered with. Missing fields: "
+            "%(field_names)s. You may need to file a bug report if the issue persists."
+        ),
+        "too_many_forms": ngettext_lazy(
+            "Please submit at most %(num)d form.",
+            "Please submit at most %(num)d forms.",
+            "num",
+        ),
+        "too_few_forms": ngettext_lazy(
+            "Please submit at least %(num)d form.",
+            "Please submit at least %(num)d forms.",
+            "num",
+        ),
+    }
+
+    template_name_div = "django/forms/formsets/div.html"
+    template_name_p = "django/forms/formsets/p.html"
+    template_name_table = "django/forms/formsets/table.html"
+    template_name_ul = "django/forms/formsets/ul.html"
+
+    def __init__(
+        self,
+        data=None,
+        files=None,
+        auto_id="id_%s",
+        prefix=None,
+        initial=None,
+        error_class=ErrorList,
+        form_kwargs=None,
+        error_messages=None,
+    ):
+        self.is_bound = data is not None or files is not None
+        self.prefix = prefix or self.get_default_prefix()
+        self.auto_id = auto_id
+        self.data = data or {}
+        self.files = files or {}
+        self.initial = initial
+        self.form_kwargs = form_kwargs or {}
+        self.error_class = error_class
+        self._errors = None
+        self._non_form_errors = None
+        self.form_renderer = self.renderer
+        self.renderer = self.renderer or get_default_renderer()
+
+        messages = {}
+        for cls in reversed(type(self).__mro__):
+            messages.update(getattr(cls, "default_error_messages", {}))
+        if error_messages is not None:
+            messages.update(error_messages)
+        self.error_messages = messages
+
+    def __iter__(self):
+        """Yield the forms in the order they should be rendered."""
+        return iter(self.forms)
+
+    def __getitem__(self, index):
+        """Return the form at the given index, based on the rendering order."""
+        return self.forms[index]
+
+    def __len__(self):
+        return len(self.forms)
+
+    def __bool__(self):
+        """
+        Return True since all formsets have a management form which is not
+        included in the length.
+        """
+        return True
+
+    def __repr__(self):
+        if self._errors is None:
+            is_valid = "Unknown"
+        else:
+            is_valid = (
+                self.is_bound
+                and not self._non_form_errors
+                and not any(form_errors for form_errors in self._errors)
+            )
+        return "<%s: bound=%s valid=%s total_forms=%s>" % (
+            self.__class__.__qualname__,
+            self.is_bound,
+            is_valid,
+            self.total_form_count(),
+        )
+
+    @cached_property
+    def management_form(self):
+        """Return the ManagementForm instance for this FormSet."""
+        if self.is_bound:
+            form = ManagementForm(
+                self.data,
+                auto_id=self.auto_id,
+                prefix=self.prefix,
+                renderer=self.renderer,
+            )
+            form.full_clean()
+        else:
+            form = ManagementForm(
+                auto_id=self.auto_id,
+                prefix=self.prefix,
+                initial={
+                    TOTAL_FORM_COUNT: self.total_form_count(),
+                    INITIAL_FORM_COUNT: self.initial_form_count(),
+                    MIN_NUM_FORM_COUNT: self.min_num,
+                    MAX_NUM_FORM_COUNT: self.max_num,
+                },
+                renderer=self.renderer,
+            )
+        return form
+
+    def total_form_count(self):
+        """Return the total number of forms in this FormSet."""
+        if self.is_bound:
+            # return absolute_max if it is lower than the actual total form
+            # count in the data; this is DoS protection to prevent clients
+            # from forcing the server to instantiate arbitrary numbers of
+            # forms
+            return min(
+                self.management_form.cleaned_data[TOTAL_FORM_COUNT], self.absolute_max
+            )
+        else:
+            initial_forms = self.initial_form_count()
+            total_forms = max(initial_forms, self.min_num) + self.extra
+            # Allow all existing related objects/inlines to be displayed,
+            # but don't allow extra beyond max_num.
+            if initial_forms > self.max_num >= 0:
+                total_forms = initial_forms
+            elif total_forms > self.max_num >= 0:
+                total_forms = self.max_num
+        return total_forms
+
+    def initial_form_count(self):
+        """Return the number of forms that are required in this FormSet."""
+        if self.is_bound:
+            return self.management_form.cleaned_data[INITIAL_FORM_COUNT]
+        else:
+            # Use the length of the initial data if it's there, 0 otherwise.
+            initial_forms = len(self.initial) if self.initial else 0
+        return initial_forms
+
+    @cached_property
+    def forms(self):
+        """Instantiate forms at first property access."""
+        # DoS protection is included in total_form_count()
+        return [
+            self._construct_form(i, **self.get_form_kwargs(i))
+            for i in range(self.total_form_count())
+        ]
+
+    def get_form_kwargs(self, index):
+        """
+        Return additional keyword arguments for each individual formset form.
+
+        index will be None if the form being constructed is a new empty
+        form.
+        """
+        return self.form_kwargs.copy()
+
+    def _construct_form(self, i, **kwargs):
+        """Instantiate and return the i-th form instance in a formset."""
+        defaults = {
+            "auto_id": self.auto_id,
+            "prefix": self.add_prefix(i),
+            "error_class": self.error_class,
+            # Don't render the HTML 'required' attribute as it may cause
+            # incorrect validation for extra, optional, and deleted
+            # forms in the formset.
+            "use_required_attribute": False,
+            "renderer": self.form_renderer,
+        }
+        if self.is_bound:
+            defaults["data"] = self.data
+            defaults["files"] = self.files
+        if self.initial and "initial" not in kwargs:
+            try:
+                defaults["initial"] = self.initial[i]
+            except IndexError:
+                pass
+        # Allow extra forms to be empty, unless they're part of
+        # the minimum forms.
+        if i >= self.initial_form_count() and i >= self.min_num:
+            defaults["empty_permitted"] = True
+        defaults.update(kwargs)
+        form = self.form(**defaults)
+        self.add_fields(form, i)
+        return form
+
+    @property
+    def initial_forms(self):
+        """Return a list of all the initial forms in this formset."""
+        return self.forms[: self.initial_form_count()]
+
+    @property
+    def extra_forms(self):
+        """Return a list of all the extra forms in this formset."""
+        return self.forms[self.initial_form_count() :]
+
+    @property
+    def empty_form(self):
+        form_kwargs = {
+            **self.get_form_kwargs(None),
+            "auto_id": self.auto_id,
+            "prefix": self.add_prefix("__prefix__"),
+            "empty_permitted": True,
+            "use_required_attribute": False,
+            "renderer": self.form_renderer,
+        }
+        form = self.form(**form_kwargs)
+        self.add_fields(form, None)
+        return form
+
+    @property
+    def cleaned_data(self):
+        """
+        Return a list of form.cleaned_data dicts for every form in self.forms.
+        """
+        if not self.is_valid():
+            raise AttributeError(
+                "'%s' object has no attribute 'cleaned_data'" % self.__class__.__name__
+            )
+        return [form.cleaned_data for form in self.forms]
+
+    @property
+    def deleted_forms(self):
+        """Return a list of forms that have been marked for deletion."""
+        if not self.is_valid() or not self.can_delete:
+            return []
+        # construct _deleted_form_indexes which is just a list of form indexes
+        # that have had their deletion widget set to True
+        if not hasattr(self, "_deleted_form_indexes"):
+            self._deleted_form_indexes = []
+            for i, form in enumerate(self.forms):
+                # if this is an extra form and hasn't changed, don't consider it
+                if i >= self.initial_form_count() and not form.has_changed():
+                    continue
+                if self._should_delete_form(form):
+                    self._deleted_form_indexes.append(i)
+        return [self.forms[i] for i in self._deleted_form_indexes]
+
+    @property
+    def ordered_forms(self):
+        """
+        Return a list of form in the order specified by the incoming data.
+        Raise an AttributeError if ordering is not allowed.
+        """
+        if not self.is_valid() or not self.can_order:
+            raise AttributeError(
+                "'%s' object has no attribute 'ordered_forms'" % self.__class__.__name__
+            )
+        # Construct _ordering, which is a list of (form_index, order_field_value)
+        # tuples. After constructing this list, we'll sort it by order_field_value
+        # so we have a way to get to the form indexes in the order specified
+        # by the form data.
+        if not hasattr(self, "_ordering"):
+            self._ordering = []
+            for i, form in enumerate(self.forms):
+                # if this is an extra form and hasn't changed, don't consider it
+                if i >= self.initial_form_count() and not form.has_changed():
+                    continue
+                # don't add data marked for deletion to self.ordered_data
+                if self.can_delete and self._should_delete_form(form):
+                    continue
+                self._ordering.append((i, form.cleaned_data[ORDERING_FIELD_NAME]))
+            # After we're done populating self._ordering, sort it.
+            # A sort function to order things numerically ascending, but
+            # None should be sorted below anything else. Allowing None as
+            # a comparison value makes it so we can leave ordering fields
+            # blank.
+
+            def compare_ordering_key(k):
+                if k[1] is None:
+                    return (1, 0)  # +infinity, larger than any number
+                return (0, k[1])
+
+            self._ordering.sort(key=compare_ordering_key)
+        # Return a list of form.cleaned_data dicts in the order specified by
+        # the form data.
+        return [self.forms[i[0]] for i in self._ordering]
+
+    @classmethod
+    def get_default_prefix(cls):
+        return "form"
+
+    @classmethod
+    def get_deletion_widget(cls):
+        return cls.deletion_widget
+
+    @classmethod
+    def get_ordering_widget(cls):
+        return cls.ordering_widget
+
+    def non_form_errors(self):
+        """
+        Return an ErrorList of errors that aren't associated with a particular
+        form -- i.e., from formset.clean(). Return an empty ErrorList if there
+        are none.
+        """
+        if self._non_form_errors is None:
+            self.full_clean()
+        return self._non_form_errors
+
+    @property
+    def errors(self):
+        """Return a list of form.errors for every form in self.forms."""
+        if self._errors is None:
+            self.full_clean()
+        return self._errors
+
+    def total_error_count(self):
+        """Return the number of errors across all forms in the formset."""
+        return len(self.non_form_errors()) + sum(
+            len(form_errors) for form_errors in self.errors
+        )
+
+    def _should_delete_form(self, form):
+        """Return whether or not the form was marked for deletion."""
+        return form.cleaned_data.get(DELETION_FIELD_NAME, False)
+
+    def is_valid(self):
+        """Return True if every form in self.forms is valid."""
+        if not self.is_bound:
+            return False
+        # Accessing errors triggers a full clean the first time only.
+        self.errors
+        # List comprehension ensures is_valid() is called for all forms.
+        # Forms due to be deleted shouldn't cause the formset to be invalid.
+        forms_valid = all(
+            [
+                form.is_valid()
+                for form in self.forms
+                if not (self.can_delete and self._should_delete_form(form))
+            ]
+        )
+        return forms_valid and not self.non_form_errors()
+
+    def full_clean(self):
+        """
+        Clean all of self.data and populate self._errors and
+        self._non_form_errors.
+        """
+        self._errors = []
+        self._non_form_errors = self.error_class(
+            error_class="nonform", renderer=self.renderer
+        )
+        empty_forms_count = 0
+
+        if not self.is_bound:  # Stop further processing.
+            return
+
+        if not self.management_form.is_valid():
+            error = ValidationError(
+                self.error_messages["missing_management_form"],
+                params={
+                    "field_names": ", ".join(
+                        self.management_form.add_prefix(field_name)
+                        for field_name in self.management_form.errors
+                    ),
+                },
+                code="missing_management_form",
+            )
+            self._non_form_errors.append(error)
+
+        for i, form in enumerate(self.forms):
+            # Empty forms are unchanged forms beyond those with initial data.
+            if not form.has_changed() and i >= self.initial_form_count():
+                empty_forms_count += 1
+            # Accessing errors calls full_clean() if necessary.
+            # _should_delete_form() requires cleaned_data.
+            form_errors = form.errors
+            if self.can_delete and self._should_delete_form(form):
+                continue
+            self._errors.append(form_errors)
+        try:
+            if (
+                self.validate_max
+                and self.total_form_count() - len(self.deleted_forms) > self.max_num
+            ) or self.management_form.cleaned_data[
+                TOTAL_FORM_COUNT
+            ] > self.absolute_max:
+                raise ValidationError(
+                    self.error_messages["too_many_forms"] % {"num": self.max_num},
+                    code="too_many_forms",
+                )
+            if (
+                self.validate_min
+                and self.total_form_count()
+                - len(self.deleted_forms)
+                - empty_forms_count
+                < self.min_num
+            ):
+                raise ValidationError(
+                    self.error_messages["too_few_forms"] % {"num": self.min_num},
+                    code="too_few_forms",
+                )
+            # Give self.clean() a chance to do cross-form validation.
+            self.clean()
+        except ValidationError as e:
+            self._non_form_errors = self.error_class(
+                e.error_list,
+                error_class="nonform",
+                renderer=self.renderer,
+            )
+
+    def clean(self):
+        """
+        Hook for doing any extra formset-wide cleaning after Form.clean() has
+        been called on every form. Any ValidationError raised by this method
+        will not be associated with a particular form; it will be accessible
+        via formset.non_form_errors()
+        """
+        pass
+
+    def has_changed(self):
+        """Return True if data in any form differs from initial."""
+        return any(form.has_changed() for form in self)
+
+    def add_fields(self, form, index):
+        """A hook for adding extra fields on to each form instance."""
+        initial_form_count = self.initial_form_count()
+        if self.can_order:
+            # Only pre-fill the ordering field for initial forms.
+            if index is not None and index < initial_form_count:
+                form.fields[ORDERING_FIELD_NAME] = IntegerField(
+                    label=_("Order"),
+                    initial=index + 1,
+                    required=False,
+                    widget=self.get_ordering_widget(),
+                )
+            else:
+                form.fields[ORDERING_FIELD_NAME] = IntegerField(
+                    label=_("Order"),
+                    required=False,
+                    widget=self.get_ordering_widget(),
+                )
+        if self.can_delete and (
+            self.can_delete_extra or (index is not None and index < initial_form_count)
+        ):
+            form.fields[DELETION_FIELD_NAME] = BooleanField(
+                label=_("Delete"),
+                required=False,
+                widget=self.get_deletion_widget(),
+            )
+
+    def add_prefix(self, index):
+        return "%s-%s" % (self.prefix, index)
+
+    def is_multipart(self):
+        """
+        Return True if the formset needs to be multipart, i.e. it
+        has FileInput, or False otherwise.
+        """
+        if self.forms:
+            return self.forms[0].is_multipart()
+        else:
+            return self.empty_form.is_multipart()
+
+    @property
+    def media(self):
+        # All the forms on a FormSet are the same, so you only need to
+        # interrogate the first form for media.
+        if self.forms:
+            return self.forms[0].media
+        else:
+            return self.empty_form.media
+
+    @property
+    def template_name(self):
+        return self.renderer.formset_template_name
+
+    def get_context(self):
+        return {"formset": self}
+
+
+def formset_factory(
+    form,
+    formset=BaseFormSet,
+    extra=1,
+    can_order=False,
+    can_delete=False,
+    max_num=None,
+    validate_max=False,
+    min_num=None,
+    validate_min=False,
+    absolute_max=None,
+    can_delete_extra=True,
+    renderer=None,
+):
+    """Return a FormSet for the given form class."""
+    if min_num is None:
+        min_num = DEFAULT_MIN_NUM
+    if max_num is None:
+        max_num = DEFAULT_MAX_NUM
+    # absolute_max is a hard limit on forms instantiated, to prevent
+    # memory-exhaustion attacks. Default to max_num + DEFAULT_MAX_NUM
+    # (which is 2 * DEFAULT_MAX_NUM if max_num is None in the first place).
+    if absolute_max is None:
+        absolute_max = max_num + DEFAULT_MAX_NUM
+    if max_num > absolute_max:
+        raise ValueError("'absolute_max' must be greater or equal to 'max_num'.")
+    attrs = {
+        "form": form,
+        "extra": extra,
+        "can_order": can_order,
+        "can_delete": can_delete,
+        "can_delete_extra": can_delete_extra,
+        "min_num": min_num,
+        "max_num": max_num,
+        "absolute_max": absolute_max,
+        "validate_min": validate_min,
+        "validate_max": validate_max,
+        "renderer": renderer,
+    }
+    return type(form.__name__ + "FormSet", (formset,), attrs)
+
+
+def all_valid(formsets):
+    """Validate every formset and return True if all are valid."""
+    # List comprehension ensures is_valid() is called for all formsets.
+    return all([formset.is_valid() for formset in formsets])
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/attrs.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/attrs.html
new file mode 100644
index 00000000..b7e3b8e0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/attrs.html
@@ -0,0 +1 @@
+{% for name, value in attrs.items() %}{% if value is not sameas False %} {{ name }}{% if value is not sameas True %}="{{ value }}"{% endif %}{% endif %}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/div.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/div.html
new file mode 100644
index 00000000..f297874e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/div.html
@@ -0,0 +1,15 @@
+{{ errors }}
+{% if errors and not fields %}
+  <div>{% for field in hidden_fields %}{{ field }}{% endfor %}</div>
+{% endif %}
+{% for field, errors in fields %}
+  <div{% set classes = field.css_classes() %}{% if classes %} class="{{ classes }}"{% endif %}>
+    {{ field.as_field_group() }}
+    {% if loop.last %}
+      {% for field in hidden_fields %}{{ field }}{% endfor %}
+    {% endif %}
+</div>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/default.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/default.html
new file mode 100644
index 00000000..19e4fba3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/default.html
@@ -0,0 +1 @@
+{% include "django/forms/errors/dict/ul.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/text.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/text.txt
new file mode 100644
index 00000000..dc9fd80c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/text.txt
@@ -0,0 +1,3 @@
+{% for field, errors in errors %}* {{ field }}
+{% for error in errors %}  * {{ error }}
+{% endfor %}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/ul.html
new file mode 100644
index 00000000..c16fd659
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/dict/ul.html
@@ -0,0 +1 @@
+{% if errors %}<ul class="{{ error_class }}">{% for field, error in errors %}<li>{{ field }}{{ error }}</li>{% endfor %}</ul>{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/default.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/default.html
new file mode 100644
index 00000000..fccc3281
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/default.html
@@ -0,0 +1 @@
+{% include "django/forms/errors/list/ul.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/text.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/text.txt
new file mode 100644
index 00000000..aa7f870b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/text.txt
@@ -0,0 +1,2 @@
+{% for error in errors %}* {{ error }}
+{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/ul.html
new file mode 100644
index 00000000..752f7c2c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/errors/list/ul.html
@@ -0,0 +1 @@
+{% if errors %}<ul class="{{ error_class }}">{% for error in errors %}<li>{{ error }}</li>{% endfor %}</ul>{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/field.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/field.html
new file mode 100644
index 00000000..21035b72
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/field.html
@@ -0,0 +1,10 @@
+{% if field.use_fieldset %}
+  <fieldset>
+  {% if field.label %}{{ field.legend_tag() }}{% endif %}
+{% else %}
+  {% if field.label %}{{ field.label_tag() }}{% endif %}
+{% endif %}
+{% if field.help_text %}<div class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</div>{% endif %}
+{{ field.errors }}
+{{ field }}
+{% if field.use_fieldset %}</fieldset>{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/div.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/div.html
new file mode 100644
index 00000000..0dda779d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/div.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_div() }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/p.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/p.html
new file mode 100644
index 00000000..3ed889e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/p.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_p() }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/table.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/table.html
new file mode 100644
index 00000000..25033775
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/table.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_table() }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/ul.html
new file mode 100644
index 00000000..335e91e0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/formsets/ul.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_ul() }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/label.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/label.html
new file mode 100644
index 00000000..6ce3885f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/label.html
@@ -0,0 +1 @@
+{% if use_tag %}<{{ tag }}{% if attrs %}{% include 'django/forms/attrs.html' %}{% endif %}>{{ label }}</{{ tag }}>{% else %}{{ label }}{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/p.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/p.html
new file mode 100644
index 00000000..a7d0098b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/p.html
@@ -0,0 +1,20 @@
+{{ errors }}
+{% if errors and not fields %}
+  <p>{% for field in hidden_fields %}{{ field }}{% endfor %}</p>
+{% endif %}
+{% for field, errors in fields %}
+  {{ errors }}
+  <p{% set classes = field.css_classes() %}{% if classes %} class="{{ classes }}"{% endif %}>
+    {% if field.label %}{{ field.label_tag() }}{% endif %}
+    {{ field }}
+    {% if field.help_text %}
+      <span class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</span>
+    {% endif %}
+    {% if loop.last %}
+      {% for field in hidden_fields %}{{ field }}{% endfor %}
+    {% endif %}
+  </p>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/table.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/table.html
new file mode 100644
index 00000000..a817d555
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/table.html
@@ -0,0 +1,29 @@
+{% if errors %}
+  <tr>
+    <td colspan="2">
+      {{ errors }}
+      {% if not fields %}
+        {% for field in hidden_fields %}{{ field }}{% endfor %}
+      {% endif %}
+    </td>
+  </tr>
+{% endif %}
+{% for field, errors in fields %}
+  <tr{% set classes = field.css_classes() %}{% if classes %} class="{{ classes }}"{% endif %}>
+    <th>{% if field.label %}{{ field.label_tag() }}{% endif %}</th>
+    <td>
+      {{ errors }}
+      {{ field }}
+      {% if field.help_text %}
+        <br>
+        <span class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</span>
+      {% endif %}
+      {% if loop.last %}
+        {% for field in hidden_fields %}{{ field }}{% endfor %}
+      {% endif %}
+    </td>
+  </tr>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/ul.html
new file mode 100644
index 00000000..9514e097
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/ul.html
@@ -0,0 +1,24 @@
+{% if errors %}
+  <li>
+    {{ errors }}
+  {% if not fields %}
+    {% for field in hidden_fields %}{{ field }}{% endfor %}
+  {% endif %}
+  </li>
+{% endif %}
+{% for field, errors in fields %}
+  <li{% set classes = field.css_classes() %}{% if classes %} class="{{ classes }}"{% endif %}>
+    {{ errors }}
+    {% if field.label %}{{ field.label_tag() }}{% endif %}
+    {{ field }}
+    {% if field.help_text %}
+      <span class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</span>
+    {% endif %}
+    {% if loop.last %}
+      {% for field in hidden_fields %}{{ field }}{% endfor %}
+    {% endif %}
+  </li>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/attrs.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/attrs.html
new file mode 100644
index 00000000..76926d79
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/attrs.html
@@ -0,0 +1 @@
+{% for name, value in widget.attrs.items() %}{% if value is not sameas False %} {{ name }}{% if value is not sameas True %}="{{ value }}"{% endif %}{% endif %}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox_option.html
new file mode 100644
index 00000000..bb9acbaf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox_option.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input_option.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox_select.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox_select.html
new file mode 100644
index 00000000..780899af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/checkbox_select.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/multiple_input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/clearable_file_input.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/clearable_file_input.html
new file mode 100644
index 00000000..93812837
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/clearable_file_input.html
@@ -0,0 +1,5 @@
+{% if widget.is_initial %}{{ widget.initial_text }}: <a href="{{ widget.value.url }}">{{ widget.value }}</a>{% if not widget.required %}
+<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}"{% if widget.attrs.disabled %} disabled{% endif %}>
+<label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label>{% endif %}<br>
+{{ widget.input_text }}:{% endif %}
+<input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/date.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/date.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/date.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/datetime.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/datetime.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/datetime.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/email.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/email.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/email.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/file.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/file.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/file.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/hidden.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/hidden.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/hidden.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/input.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/input.html
new file mode 100644
index 00000000..d5651571
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/input.html
@@ -0,0 +1 @@
+<input type="{{ widget.type }}" name="{{ widget.name }}"{% if widget.value != None %} value="{{ widget.value }}"{% endif %}{% include "django/forms/widgets/attrs.html" %}>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/input_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/input_option.html
new file mode 100644
index 00000000..48cd65b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/input_option.html
@@ -0,0 +1 @@
+{% if widget.wrap_label %}<label{% if widget.attrs.id %} for="{{ widget.attrs.id }}"{% endif %}>{% endif %}{% include "django/forms/widgets/input.html" %}{% if widget.wrap_label %} {{ widget.label }}</label>{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiple_hidden.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiple_hidden.html
new file mode 100644
index 00000000..b9695deb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiple_hidden.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/multiwidget.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiple_input.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiple_input.html
new file mode 100644
index 00000000..aee0bd68
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiple_input.html
@@ -0,0 +1,5 @@
+{% set id = widget.attrs.id %}<div{% if id %} id="{{ id }}"{% endif %}{% if widget.attrs.class %} class="{{ widget.attrs.class }}"{% endif %}>{% for group, options, index in widget.optgroups %}{% if group %}
+  <div><label>{{ group }}</label>{% endif %}{% for widget in options %}<div>
+    {% include widget.template_name %}</div>{% endfor %}{% if group %}
+  </div>{% endif %}{% endfor %}
+</div>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiwidget.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiwidget.html
new file mode 100644
index 00000000..ae120e91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/multiwidget.html
@@ -0,0 +1 @@
+{% for widget in widget.subwidgets -%}{% include widget.template_name %}{%- endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/number.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/number.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/number.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/password.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/password.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/password.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/radio.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/radio.html
new file mode 100644
index 00000000..780899af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/radio.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/multiple_input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/radio_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/radio_option.html
new file mode 100644
index 00000000..bb9acbaf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/radio_option.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input_option.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select.html
new file mode 100644
index 00000000..ea3bc841
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select.html
@@ -0,0 +1,5 @@
+<select name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>{% for group_name, group_choices, group_index in widget.optgroups %}{% if group_name %}
+  <optgroup label="{{ group_name }}">{% endif %}{% for widget in group_choices %}
+  {% include widget.template_name %}{% endfor %}{% if group_name %}
+  </optgroup>{% endif %}{% endfor %}
+</select>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select_date.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select_date.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select_date.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select_option.html
new file mode 100644
index 00000000..c6355f69
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/select_option.html
@@ -0,0 +1 @@
+<option value="{{ widget.value }}"{% include "django/forms/widgets/attrs.html" %}>{{ widget.label }}</option>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/splitdatetime.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/splitdatetime.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/splitdatetime.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/splithiddendatetime.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/splithiddendatetime.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/splithiddendatetime.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/text.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/text.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/text.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/textarea.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/textarea.html
new file mode 100644
index 00000000..b86766c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/textarea.html
@@ -0,0 +1,2 @@
+<textarea name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>
+{% if widget.value %}{{ widget.value }}{% endif %}</textarea>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/time.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/time.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/time.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/url.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/url.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/jinja2/django/forms/widgets/url.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/models.py
new file mode 100644
index 00000000..90779e18
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/models.py
@@ -0,0 +1,1679 @@
+"""
+Helper functions for creating Form classes from Django models
+and database field objects.
+"""
+
+from itertools import chain
+
+from django.core.exceptions import (
+    NON_FIELD_ERRORS,
+    FieldError,
+    ImproperlyConfigured,
+    ValidationError,
+)
+from django.db.models.utils import AltersData
+from django.forms.fields import ChoiceField, Field
+from django.forms.forms import BaseForm, DeclarativeFieldsMetaclass
+from django.forms.formsets import BaseFormSet, formset_factory
+from django.forms.utils import ErrorList
+from django.forms.widgets import (
+    HiddenInput,
+    MultipleHiddenInput,
+    RadioSelect,
+    SelectMultiple,
+)
+from django.utils.choices import BaseChoiceIterator
+from django.utils.text import capfirst, get_text_list
+from django.utils.translation import gettext
+from django.utils.translation import gettext_lazy as _
+
+__all__ = (
+    "ModelForm",
+    "BaseModelForm",
+    "model_to_dict",
+    "fields_for_model",
+    "ModelChoiceField",
+    "ModelMultipleChoiceField",
+    "ALL_FIELDS",
+    "BaseModelFormSet",
+    "modelformset_factory",
+    "BaseInlineFormSet",
+    "inlineformset_factory",
+    "modelform_factory",
+)
+
+ALL_FIELDS = "__all__"
+
+
+def construct_instance(form, instance, fields=None, exclude=None):
+    """
+    Construct and return a model instance from the bound ``form``'s
+    ``cleaned_data``, but do not save the returned instance to the database.
+    """
+    from django.db import models
+
+    opts = instance._meta
+
+    cleaned_data = form.cleaned_data
+    file_field_list = []
+    for f in opts.fields:
+        if (
+            not f.editable
+            or isinstance(f, models.AutoField)
+            or f.name not in cleaned_data
+        ):
+            continue
+        if fields is not None and f.name not in fields:
+            continue
+        if exclude and f.name in exclude:
+            continue
+        # Leave defaults for fields that aren't in POST data, except for
+        # checkbox inputs because they don't appear in POST data if not checked.
+        if (
+            f.has_default()
+            and form[f.name].field.widget.value_omitted_from_data(
+                form.data, form.files, form.add_prefix(f.name)
+            )
+            and cleaned_data.get(f.name) in form[f.name].field.empty_values
+        ):
+            continue
+        # Defer saving file-type fields until after the other fields, so a
+        # callable upload_to can use the values from other fields.
+        if isinstance(f, models.FileField):
+            file_field_list.append(f)
+        else:
+            f.save_form_data(instance, cleaned_data[f.name])
+
+    for f in file_field_list:
+        f.save_form_data(instance, cleaned_data[f.name])
+
+    return instance
+
+
+# ModelForms #################################################################
+
+
+def model_to_dict(instance, fields=None, exclude=None):
+    """
+    Return a dict containing the data in ``instance`` suitable for passing as
+    a Form's ``initial`` keyword argument.
+
+    ``fields`` is an optional list of field names. If provided, return only the
+    named.
+
+    ``exclude`` is an optional list of field names. If provided, exclude the
+    named from the returned dict, even if they are listed in the ``fields``
+    argument.
+    """
+    opts = instance._meta
+    data = {}
+    for f in chain(opts.concrete_fields, opts.private_fields, opts.many_to_many):
+        if not getattr(f, "editable", False):
+            continue
+        if fields is not None and f.name not in fields:
+            continue
+        if exclude and f.name in exclude:
+            continue
+        data[f.name] = f.value_from_object(instance)
+    return data
+
+
+def apply_limit_choices_to_to_formfield(formfield):
+    """Apply limit_choices_to to the formfield's queryset if needed."""
+    from django.db.models import Exists, OuterRef, Q
+
+    if hasattr(formfield, "queryset") and hasattr(formfield, "get_limit_choices_to"):
+        limit_choices_to = formfield.get_limit_choices_to()
+        if limit_choices_to:
+            complex_filter = limit_choices_to
+            if not isinstance(complex_filter, Q):
+                complex_filter = Q(**limit_choices_to)
+            complex_filter &= Q(pk=OuterRef("pk"))
+            # Use Exists() to avoid potential duplicates.
+            formfield.queryset = formfield.queryset.filter(
+                Exists(formfield.queryset.model._base_manager.filter(complex_filter)),
+            )
+
+
+def fields_for_model(
+    model,
+    fields=None,
+    exclude=None,
+    widgets=None,
+    formfield_callback=None,
+    localized_fields=None,
+    labels=None,
+    help_texts=None,
+    error_messages=None,
+    field_classes=None,
+    *,
+    apply_limit_choices_to=True,
+    form_declared_fields=None,
+):
+    """
+    Return a dictionary containing form fields for the given model.
+
+    ``fields`` is an optional list of field names. If provided, return only the
+    named fields.
+
+    ``exclude`` is an optional list of field names. If provided, exclude the
+    named fields from the returned fields, even if they are listed in the
+    ``fields`` argument.
+
+    ``widgets`` is a dictionary of model field names mapped to a widget.
+
+    ``formfield_callback`` is a callable that takes a model field and returns
+    a form field.
+
+    ``localized_fields`` is a list of names of fields which should be localized.
+
+    ``labels`` is a dictionary of model field names mapped to a label.
+
+    ``help_texts`` is a dictionary of model field names mapped to a help text.
+
+    ``error_messages`` is a dictionary of model field names mapped to a
+    dictionary of error messages.
+
+    ``field_classes`` is a dictionary of model field names mapped to a form
+    field class.
+
+    ``apply_limit_choices_to`` is a boolean indicating if limit_choices_to
+    should be applied to a field's queryset.
+
+    ``form_declared_fields`` is a dictionary of form fields created directly on
+    a form.
+    """
+    form_declared_fields = form_declared_fields or {}
+    field_dict = {}
+    ignored = []
+    opts = model._meta
+    # Avoid circular import
+    from django.db.models import Field as ModelField
+
+    sortable_private_fields = [
+        f for f in opts.private_fields if isinstance(f, ModelField)
+    ]
+    for f in sorted(
+        chain(opts.concrete_fields, sortable_private_fields, opts.many_to_many)
+    ):
+        if not getattr(f, "editable", False):
+            if (
+                fields is not None
+                and f.name in fields
+                and (exclude is None or f.name not in exclude)
+            ):
+                raise FieldError(
+                    "'%s' cannot be specified for %s model form as it is a "
+                    "non-editable field" % (f.name, model.__name__)
+                )
+            continue
+        if fields is not None and f.name not in fields:
+            continue
+        if exclude and f.name in exclude:
+            continue
+        if f.name in form_declared_fields:
+            field_dict[f.name] = form_declared_fields[f.name]
+            continue
+
+        kwargs = {}
+        if widgets and f.name in widgets:
+            kwargs["widget"] = widgets[f.name]
+        if localized_fields == ALL_FIELDS or (
+            localized_fields and f.name in localized_fields
+        ):
+            kwargs["localize"] = True
+        if labels and f.name in labels:
+            kwargs["label"] = labels[f.name]
+        if help_texts and f.name in help_texts:
+            kwargs["help_text"] = help_texts[f.name]
+        if error_messages and f.name in error_messages:
+            kwargs["error_messages"] = error_messages[f.name]
+        if field_classes and f.name in field_classes:
+            kwargs["form_class"] = field_classes[f.name]
+
+        if formfield_callback is None:
+            formfield = f.formfield(**kwargs)
+        elif not callable(formfield_callback):
+            raise TypeError("formfield_callback must be a function or callable")
+        else:
+            formfield = formfield_callback(f, **kwargs)
+
+        if formfield:
+            if apply_limit_choices_to:
+                apply_limit_choices_to_to_formfield(formfield)
+            field_dict[f.name] = formfield
+        else:
+            ignored.append(f.name)
+    if fields:
+        field_dict = {
+            f: field_dict.get(f)
+            for f in fields
+            if (not exclude or f not in exclude) and f not in ignored
+        }
+    return field_dict
+
+
+class ModelFormOptions:
+    def __init__(self, options=None):
+        self.model = getattr(options, "model", None)
+        self.fields = getattr(options, "fields", None)
+        self.exclude = getattr(options, "exclude", None)
+        self.widgets = getattr(options, "widgets", None)
+        self.localized_fields = getattr(options, "localized_fields", None)
+        self.labels = getattr(options, "labels", None)
+        self.help_texts = getattr(options, "help_texts", None)
+        self.error_messages = getattr(options, "error_messages", None)
+        self.field_classes = getattr(options, "field_classes", None)
+        self.formfield_callback = getattr(options, "formfield_callback", None)
+
+
+class ModelFormMetaclass(DeclarativeFieldsMetaclass):
+    def __new__(mcs, name, bases, attrs):
+        new_class = super().__new__(mcs, name, bases, attrs)
+
+        if bases == (BaseModelForm,):
+            return new_class
+
+        opts = new_class._meta = ModelFormOptions(getattr(new_class, "Meta", None))
+
+        # We check if a string was passed to `fields` or `exclude`,
+        # which is likely to be a mistake where the user typed ('foo') instead
+        # of ('foo',)
+        for opt in ["fields", "exclude", "localized_fields"]:
+            value = getattr(opts, opt)
+            if isinstance(value, str) and value != ALL_FIELDS:
+                msg = (
+                    "%(model)s.Meta.%(opt)s cannot be a string. "
+                    "Did you mean to type: ('%(value)s',)?"
+                    % {
+                        "model": new_class.__name__,
+                        "opt": opt,
+                        "value": value,
+                    }
+                )
+                raise TypeError(msg)
+
+        if opts.model:
+            # If a model is defined, extract form fields from it.
+            if opts.fields is None and opts.exclude is None:
+                raise ImproperlyConfigured(
+                    "Creating a ModelForm without either the 'fields' attribute "
+                    "or the 'exclude' attribute is prohibited; form %s "
+                    "needs updating." % name
+                )
+
+            if opts.fields == ALL_FIELDS:
+                # Sentinel for fields_for_model to indicate "get the list of
+                # fields from the model"
+                opts.fields = None
+
+            fields = fields_for_model(
+                opts.model,
+                opts.fields,
+                opts.exclude,
+                opts.widgets,
+                opts.formfield_callback,
+                opts.localized_fields,
+                opts.labels,
+                opts.help_texts,
+                opts.error_messages,
+                opts.field_classes,
+                # limit_choices_to will be applied during ModelForm.__init__().
+                apply_limit_choices_to=False,
+                form_declared_fields=new_class.declared_fields,
+            )
+
+            # make sure opts.fields doesn't specify an invalid field
+            none_model_fields = {k for k, v in fields.items() if not v}
+            missing_fields = none_model_fields.difference(new_class.declared_fields)
+            if missing_fields:
+                message = "Unknown field(s) (%s) specified for %s"
+                message %= (", ".join(missing_fields), opts.model.__name__)
+                raise FieldError(message)
+            # Include all the other declared fields.
+            fields.update(new_class.declared_fields)
+        else:
+            fields = new_class.declared_fields
+
+        new_class.base_fields = fields
+
+        return new_class
+
+
+class BaseModelForm(BaseForm, AltersData):
+    def __init__(
+        self,
+        data=None,
+        files=None,
+        auto_id="id_%s",
+        prefix=None,
+        initial=None,
+        error_class=ErrorList,
+        label_suffix=None,
+        empty_permitted=False,
+        instance=None,
+        use_required_attribute=None,
+        renderer=None,
+    ):
+        opts = self._meta
+        if opts.model is None:
+            raise ValueError("ModelForm has no model class specified.")
+        if instance is None:
+            # if we didn't get an instance, instantiate a new one
+            self.instance = opts.model()
+            object_data = {}
+        else:
+            self.instance = instance
+            object_data = model_to_dict(instance, opts.fields, opts.exclude)
+        # if initial was provided, it should override the values from instance
+        if initial is not None:
+            object_data.update(initial)
+        # self._validate_unique will be set to True by BaseModelForm.clean().
+        # It is False by default so overriding self.clean() and failing to call
+        # super will stop validate_unique from being called.
+        self._validate_unique = False
+        super().__init__(
+            data,
+            files,
+            auto_id,
+            prefix,
+            object_data,
+            error_class,
+            label_suffix,
+            empty_permitted,
+            use_required_attribute=use_required_attribute,
+            renderer=renderer,
+        )
+        for formfield in self.fields.values():
+            apply_limit_choices_to_to_formfield(formfield)
+
+    def _get_validation_exclusions(self):
+        """
+        For backwards-compatibility, exclude several types of fields from model
+        validation. See tickets #12507, #12521, #12553.
+        """
+        exclude = set()
+        # Build up a list of fields that should be excluded from model field
+        # validation and unique checks.
+        for f in self.instance._meta.fields:
+            field = f.name
+            # Exclude fields that aren't on the form. The developer may be
+            # adding these values to the model after form validation.
+            if field not in self.fields:
+                exclude.add(f.name)
+
+            # Don't perform model validation on fields that were defined
+            # manually on the form and excluded via the ModelForm's Meta
+            # class. See #12901.
+            elif self._meta.fields and field not in self._meta.fields:
+                exclude.add(f.name)
+            elif self._meta.exclude and field in self._meta.exclude:
+                exclude.add(f.name)
+
+            # Exclude fields that failed form validation. There's no need for
+            # the model fields to validate them as well.
+            elif field in self._errors:
+                exclude.add(f.name)
+
+            # Exclude empty fields that are not required by the form, if the
+            # underlying model field is required. This keeps the model field
+            # from raising a required error. Note: don't exclude the field from
+            # validation if the model field allows blanks. If it does, the blank
+            # value may be included in a unique check, so cannot be excluded
+            # from validation.
+            else:
+                form_field = self.fields[field]
+                field_value = self.cleaned_data.get(field)
+                if (
+                    not f.blank
+                    and not form_field.required
+                    and field_value in form_field.empty_values
+                ):
+                    exclude.add(f.name)
+        return exclude
+
+    def clean(self):
+        self._validate_unique = True
+        return self.cleaned_data
+
+    def _update_errors(self, errors):
+        # Override any validation error messages defined at the model level
+        # with those defined at the form level.
+        opts = self._meta
+
+        # Allow the model generated by construct_instance() to raise
+        # ValidationError and have them handled in the same way as others.
+        if hasattr(errors, "error_dict"):
+            error_dict = errors.error_dict
+        else:
+            error_dict = {NON_FIELD_ERRORS: errors}
+
+        for field, messages in error_dict.items():
+            if (
+                field == NON_FIELD_ERRORS
+                and opts.error_messages
+                and NON_FIELD_ERRORS in opts.error_messages
+            ):
+                error_messages = opts.error_messages[NON_FIELD_ERRORS]
+            elif field in self.fields:
+                error_messages = self.fields[field].error_messages
+            else:
+                continue
+
+            for message in messages:
+                if (
+                    isinstance(message, ValidationError)
+                    and message.code in error_messages
+                ):
+                    message.message = error_messages[message.code]
+
+        self.add_error(None, errors)
+
+    def _post_clean(self):
+        opts = self._meta
+
+        exclude = self._get_validation_exclusions()
+
+        # Foreign Keys being used to represent inline relationships
+        # are excluded from basic field value validation. This is for two
+        # reasons: firstly, the value may not be supplied (#12507; the
+        # case of providing new values to the admin); secondly the
+        # object being referred to may not yet fully exist (#12749).
+        # However, these fields *must* be included in uniqueness checks,
+        # so this can't be part of _get_validation_exclusions().
+        for name, field in self.fields.items():
+            if isinstance(field, InlineForeignKeyField):
+                exclude.add(name)
+
+        try:
+            self.instance = construct_instance(
+                self, self.instance, opts.fields, opts.exclude
+            )
+        except ValidationError as e:
+            self._update_errors(e)
+
+        try:
+            self.instance.full_clean(exclude=exclude, validate_unique=False)
+        except ValidationError as e:
+            self._update_errors(e)
+
+        # Validate uniqueness if needed.
+        if self._validate_unique:
+            self.validate_unique()
+
+    def validate_unique(self):
+        """
+        Call the instance's validate_unique() method and update the form's
+        validation errors if any were raised.
+        """
+        exclude = self._get_validation_exclusions()
+        try:
+            self.instance.validate_unique(exclude=exclude)
+        except ValidationError as e:
+            self._update_errors(e)
+
+    def _save_m2m(self):
+        """
+        Save the many-to-many fields and generic relations for this form.
+        """
+        cleaned_data = self.cleaned_data
+        exclude = self._meta.exclude
+        fields = self._meta.fields
+        opts = self.instance._meta
+        # Note that for historical reasons we want to include also
+        # private_fields here. (GenericRelation was previously a fake
+        # m2m field).
+        for f in chain(opts.many_to_many, opts.private_fields):
+            if not hasattr(f, "save_form_data"):
+                continue
+            if fields and f.name not in fields:
+                continue
+            if exclude and f.name in exclude:
+                continue
+            if f.name in cleaned_data:
+                f.save_form_data(self.instance, cleaned_data[f.name])
+
+    def save(self, commit=True):
+        """
+        Save this form's self.instance object if commit=True. Otherwise, add
+        a save_m2m() method to the form which can be called after the instance
+        is saved manually at a later time. Return the model instance.
+        """
+        if self.errors:
+            raise ValueError(
+                "The %s could not be %s because the data didn't validate."
+                % (
+                    self.instance._meta.object_name,
+                    "created" if self.instance._state.adding else "changed",
+                )
+            )
+        if commit:
+            # If committing, save the instance and the m2m data immediately.
+            self.instance.save()
+            self._save_m2m()
+        else:
+            # If not committing, add a method to the form to allow deferred
+            # saving of m2m data.
+            self.save_m2m = self._save_m2m
+        return self.instance
+
+    save.alters_data = True
+
+
+class ModelForm(BaseModelForm, metaclass=ModelFormMetaclass):
+    pass
+
+
+def modelform_factory(
+    model,
+    form=ModelForm,
+    fields=None,
+    exclude=None,
+    formfield_callback=None,
+    widgets=None,
+    localized_fields=None,
+    labels=None,
+    help_texts=None,
+    error_messages=None,
+    field_classes=None,
+):
+    """
+    Return a ModelForm containing form fields for the given model. You can
+    optionally pass a `form` argument to use as a starting point for
+    constructing the ModelForm.
+
+    ``fields`` is an optional list of field names. If provided, include only
+    the named fields in the returned fields. If omitted or '__all__', use all
+    fields.
+
+    ``exclude`` is an optional list of field names. If provided, exclude the
+    named fields from the returned fields, even if they are listed in the
+    ``fields`` argument.
+
+    ``widgets`` is a dictionary of model field names mapped to a widget.
+
+    ``localized_fields`` is a list of names of fields which should be localized.
+
+    ``formfield_callback`` is a callable that takes a model field and returns
+    a form field.
+
+    ``labels`` is a dictionary of model field names mapped to a label.
+
+    ``help_texts`` is a dictionary of model field names mapped to a help text.
+
+    ``error_messages`` is a dictionary of model field names mapped to a
+    dictionary of error messages.
+
+    ``field_classes`` is a dictionary of model field names mapped to a form
+    field class.
+    """
+    # Create the inner Meta class. FIXME: ideally, we should be able to
+    # construct a ModelForm without creating and passing in a temporary
+    # inner class.
+
+    # Build up a list of attributes that the Meta object will have.
+    attrs = {"model": model}
+    if fields is not None:
+        attrs["fields"] = fields
+    if exclude is not None:
+        attrs["exclude"] = exclude
+    if widgets is not None:
+        attrs["widgets"] = widgets
+    if localized_fields is not None:
+        attrs["localized_fields"] = localized_fields
+    if labels is not None:
+        attrs["labels"] = labels
+    if help_texts is not None:
+        attrs["help_texts"] = help_texts
+    if error_messages is not None:
+        attrs["error_messages"] = error_messages
+    if field_classes is not None:
+        attrs["field_classes"] = field_classes
+
+    # If parent form class already has an inner Meta, the Meta we're
+    # creating needs to inherit from the parent's inner meta.
+    bases = (form.Meta,) if hasattr(form, "Meta") else ()
+    Meta = type("Meta", bases, attrs)
+    if formfield_callback:
+        Meta.formfield_callback = staticmethod(formfield_callback)
+    # Give this new form class a reasonable name.
+    class_name = model.__name__ + "Form"
+
+    # Class attributes for the new form class.
+    form_class_attrs = {"Meta": Meta}
+
+    if getattr(Meta, "fields", None) is None and getattr(Meta, "exclude", None) is None:
+        raise ImproperlyConfigured(
+            "Calling modelform_factory without defining 'fields' or "
+            "'exclude' explicitly is prohibited."
+        )
+
+    # Instantiate type(form) in order to use the same metaclass as form.
+    return type(form)(class_name, (form,), form_class_attrs)
+
+
+# ModelFormSets ##############################################################
+
+
+class BaseModelFormSet(BaseFormSet, AltersData):
+    """
+    A ``FormSet`` for editing a queryset and/or adding new objects to it.
+    """
+
+    model = None
+    edit_only = False
+
+    # Set of fields that must be unique among forms of this set.
+    unique_fields = set()
+
+    def __init__(
+        self,
+        data=None,
+        files=None,
+        auto_id="id_%s",
+        prefix=None,
+        queryset=None,
+        *,
+        initial=None,
+        **kwargs,
+    ):
+        self.queryset = queryset
+        self.initial_extra = initial
+        super().__init__(
+            **{
+                "data": data,
+                "files": files,
+                "auto_id": auto_id,
+                "prefix": prefix,
+                **kwargs,
+            }
+        )
+
+    def initial_form_count(self):
+        """Return the number of forms that are required in this FormSet."""
+        if not self.is_bound:
+            return len(self.get_queryset())
+        return super().initial_form_count()
+
+    def _existing_object(self, pk):
+        if not hasattr(self, "_object_dict"):
+            self._object_dict = {o.pk: o for o in self.get_queryset()}
+        return self._object_dict.get(pk)
+
+    def _get_to_python(self, field):
+        """
+        If the field is a related field, fetch the concrete field's (that
+        is, the ultimate pointed-to field's) to_python.
+        """
+        while field.remote_field is not None:
+            field = field.remote_field.get_related_field()
+        return field.to_python
+
+    def _construct_form(self, i, **kwargs):
+        pk_required = i < self.initial_form_count()
+        if pk_required:
+            if self.is_bound:
+                pk_key = "%s-%s" % (self.add_prefix(i), self.model._meta.pk.name)
+                try:
+                    pk = self.data[pk_key]
+                except KeyError:
+                    # The primary key is missing. The user may have tampered
+                    # with POST data.
+                    pass
+                else:
+                    to_python = self._get_to_python(self.model._meta.pk)
+                    try:
+                        pk = to_python(pk)
+                    except ValidationError:
+                        # The primary key exists but is an invalid value. The
+                        # user may have tampered with POST data.
+                        pass
+                    else:
+                        kwargs["instance"] = self._existing_object(pk)
+            else:
+                kwargs["instance"] = self.get_queryset()[i]
+        elif self.initial_extra:
+            # Set initial values for extra forms
+            try:
+                kwargs["initial"] = self.initial_extra[i - self.initial_form_count()]
+            except IndexError:
+                pass
+        form = super()._construct_form(i, **kwargs)
+        if pk_required:
+            form.fields[self.model._meta.pk.name].required = True
+        return form
+
+    def get_queryset(self):
+        if not hasattr(self, "_queryset"):
+            if self.queryset is not None:
+                qs = self.queryset
+            else:
+                qs = self.model._default_manager.get_queryset()
+
+            # If the queryset isn't already ordered we need to add an
+            # artificial ordering here to make sure that all formsets
+            # constructed from this queryset have the same form order.
+            if not qs.ordered:
+                qs = qs.order_by(self.model._meta.pk.name)
+
+            # Removed queryset limiting here. As per discussion re: #13023
+            # on django-dev, max_num should not prevent existing
+            # related objects/inlines from being displayed.
+            self._queryset = qs
+        return self._queryset
+
+    def save_new(self, form, commit=True):
+        """Save and return a new model instance for the given form."""
+        return form.save(commit=commit)
+
+    def save_existing(self, form, obj, commit=True):
+        """Save and return an existing model instance for the given form."""
+        return form.save(commit=commit)
+
+    def delete_existing(self, obj, commit=True):
+        """Deletes an existing model instance."""
+        if commit:
+            obj.delete()
+
+    def save(self, commit=True):
+        """
+        Save model instances for every form, adding and changing instances
+        as necessary, and return the list of instances.
+        """
+        if not commit:
+            self.saved_forms = []
+
+            def save_m2m():
+                for form in self.saved_forms:
+                    form.save_m2m()
+
+            self.save_m2m = save_m2m
+        if self.edit_only:
+            return self.save_existing_objects(commit)
+        else:
+            return self.save_existing_objects(commit) + self.save_new_objects(commit)
+
+    save.alters_data = True
+
+    def clean(self):
+        self.validate_unique()
+
+    def validate_unique(self):
+        # Collect unique_checks and date_checks to run from all the forms.
+        all_unique_checks = set()
+        all_date_checks = set()
+        forms_to_delete = self.deleted_forms
+        valid_forms = [
+            form
+            for form in self.forms
+            if form.is_valid() and form not in forms_to_delete
+        ]
+        for form in valid_forms:
+            exclude = form._get_validation_exclusions()
+            unique_checks, date_checks = form.instance._get_unique_checks(
+                exclude=exclude,
+                include_meta_constraints=True,
+            )
+            all_unique_checks.update(unique_checks)
+            all_date_checks.update(date_checks)
+
+        errors = []
+        # Do each of the unique checks (unique and unique_together)
+        for uclass, unique_check in all_unique_checks:
+            seen_data = set()
+            for form in valid_forms:
+                # Get the data for the set of fields that must be unique among
+                # the forms.
+                row_data = (
+                    field if field in self.unique_fields else form.cleaned_data[field]
+                    for field in unique_check
+                    if field in form.cleaned_data
+                )
+                # Reduce Model instances to their primary key values
+                row_data = tuple(
+                    (
+                        d._get_pk_val()
+                        if hasattr(d, "_get_pk_val")
+                        # Prevent "unhashable type: list" errors later on.
+                        else tuple(d) if isinstance(d, list) else d
+                    )
+                    for d in row_data
+                )
+                if row_data and None not in row_data:
+                    # if we've already seen it then we have a uniqueness failure
+                    if row_data in seen_data:
+                        # poke error messages into the right places and mark
+                        # the form as invalid
+                        errors.append(self.get_unique_error_message(unique_check))
+                        form._errors[NON_FIELD_ERRORS] = self.error_class(
+                            [self.get_form_error()],
+                            renderer=self.renderer,
+                        )
+                        # Remove the data from the cleaned_data dict since it
+                        # was invalid.
+                        for field in unique_check:
+                            if field in form.cleaned_data:
+                                del form.cleaned_data[field]
+                    # mark the data as seen
+                    seen_data.add(row_data)
+        # iterate over each of the date checks now
+        for date_check in all_date_checks:
+            seen_data = set()
+            uclass, lookup, field, unique_for = date_check
+            for form in valid_forms:
+                # see if we have data for both fields
+                if (
+                    form.cleaned_data
+                    and form.cleaned_data[field] is not None
+                    and form.cleaned_data[unique_for] is not None
+                ):
+                    # if it's a date lookup we need to get the data for all the fields
+                    if lookup == "date":
+                        date = form.cleaned_data[unique_for]
+                        date_data = (date.year, date.month, date.day)
+                    # otherwise it's just the attribute on the date/datetime
+                    # object
+                    else:
+                        date_data = (getattr(form.cleaned_data[unique_for], lookup),)
+                    data = (form.cleaned_data[field],) + date_data
+                    # if we've already seen it then we have a uniqueness failure
+                    if data in seen_data:
+                        # poke error messages into the right places and mark
+                        # the form as invalid
+                        errors.append(self.get_date_error_message(date_check))
+                        form._errors[NON_FIELD_ERRORS] = self.error_class(
+                            [self.get_form_error()],
+                            renderer=self.renderer,
+                        )
+                        # Remove the data from the cleaned_data dict since it
+                        # was invalid.
+                        del form.cleaned_data[field]
+                    # mark the data as seen
+                    seen_data.add(data)
+
+        if errors:
+            raise ValidationError(errors)
+
+    def get_unique_error_message(self, unique_check):
+        if len(unique_check) == 1:
+            return gettext("Please correct the duplicate data for %(field)s.") % {
+                "field": unique_check[0],
+            }
+        else:
+            return gettext(
+                "Please correct the duplicate data for %(field)s, which must be unique."
+            ) % {
+                "field": get_text_list(unique_check, _("and")),
+            }
+
+    def get_date_error_message(self, date_check):
+        return gettext(
+            "Please correct the duplicate data for %(field_name)s "
+            "which must be unique for the %(lookup)s in %(date_field)s."
+        ) % {
+            "field_name": date_check[2],
+            "date_field": date_check[3],
+            "lookup": str(date_check[1]),
+        }
+
+    def get_form_error(self):
+        return gettext("Please correct the duplicate values below.")
+
+    def save_existing_objects(self, commit=True):
+        self.changed_objects = []
+        self.deleted_objects = []
+        if not self.initial_forms:
+            return []
+
+        saved_instances = []
+        forms_to_delete = self.deleted_forms
+        for form in self.initial_forms:
+            obj = form.instance
+            # If the pk is None, it means either:
+            # 1. The object is an unexpected empty model, created by invalid
+            #    POST data such as an object outside the formset's queryset.
+            # 2. The object was already deleted from the database.
+            if obj.pk is None:
+                continue
+            if form in forms_to_delete:
+                self.deleted_objects.append(obj)
+                self.delete_existing(obj, commit=commit)
+            elif form.has_changed():
+                self.changed_objects.append((obj, form.changed_data))
+                saved_instances.append(self.save_existing(form, obj, commit=commit))
+                if not commit:
+                    self.saved_forms.append(form)
+        return saved_instances
+
+    def save_new_objects(self, commit=True):
+        self.new_objects = []
+        for form in self.extra_forms:
+            if not form.has_changed():
+                continue
+            # If someone has marked an add form for deletion, don't save the
+            # object.
+            if self.can_delete and self._should_delete_form(form):
+                continue
+            self.new_objects.append(self.save_new(form, commit=commit))
+            if not commit:
+                self.saved_forms.append(form)
+        return self.new_objects
+
+    def add_fields(self, form, index):
+        """Add a hidden field for the object's primary key."""
+        from django.db.models import AutoField, ForeignKey, OneToOneField
+
+        self._pk_field = pk = self.model._meta.pk
+        # If a pk isn't editable, then it won't be on the form, so we need to
+        # add it here so we can tell which object is which when we get the
+        # data back. Generally, pk.editable should be false, but for some
+        # reason, auto_created pk fields and AutoField's editable attribute is
+        # True, so check for that as well.
+
+        def pk_is_not_editable(pk):
+            return (
+                (not pk.editable)
+                or (pk.auto_created or isinstance(pk, AutoField))
+                or (
+                    pk.remote_field
+                    and pk.remote_field.parent_link
+                    and pk_is_not_editable(pk.remote_field.model._meta.pk)
+                )
+            )
+
+        if pk_is_not_editable(pk) or pk.name not in form.fields:
+            if form.is_bound:
+                # If we're adding the related instance, ignore its primary key
+                # as it could be an auto-generated default which isn't actually
+                # in the database.
+                pk_value = None if form.instance._state.adding else form.instance.pk
+            else:
+                try:
+                    if index is not None:
+                        pk_value = self.get_queryset()[index].pk
+                    else:
+                        pk_value = None
+                except IndexError:
+                    pk_value = None
+            if isinstance(pk, (ForeignKey, OneToOneField)):
+                qs = pk.remote_field.model._default_manager.get_queryset()
+            else:
+                qs = self.model._default_manager.get_queryset()
+            qs = qs.using(form.instance._state.db)
+            if form._meta.widgets:
+                widget = form._meta.widgets.get(self._pk_field.name, HiddenInput)
+            else:
+                widget = HiddenInput
+            form.fields[self._pk_field.name] = ModelChoiceField(
+                qs, initial=pk_value, required=False, widget=widget
+            )
+        super().add_fields(form, index)
+
+
+def modelformset_factory(
+    model,
+    form=ModelForm,
+    formfield_callback=None,
+    formset=BaseModelFormSet,
+    extra=1,
+    can_delete=False,
+    can_order=False,
+    max_num=None,
+    fields=None,
+    exclude=None,
+    widgets=None,
+    validate_max=False,
+    localized_fields=None,
+    labels=None,
+    help_texts=None,
+    error_messages=None,
+    min_num=None,
+    validate_min=False,
+    field_classes=None,
+    absolute_max=None,
+    can_delete_extra=True,
+    renderer=None,
+    edit_only=False,
+):
+    """Return a FormSet class for the given Django model class."""
+    meta = getattr(form, "Meta", None)
+    if (
+        getattr(meta, "fields", fields) is None
+        and getattr(meta, "exclude", exclude) is None
+    ):
+        raise ImproperlyConfigured(
+            "Calling modelformset_factory without defining 'fields' or "
+            "'exclude' explicitly is prohibited."
+        )
+
+    form = modelform_factory(
+        model,
+        form=form,
+        fields=fields,
+        exclude=exclude,
+        formfield_callback=formfield_callback,
+        widgets=widgets,
+        localized_fields=localized_fields,
+        labels=labels,
+        help_texts=help_texts,
+        error_messages=error_messages,
+        field_classes=field_classes,
+    )
+    FormSet = formset_factory(
+        form,
+        formset,
+        extra=extra,
+        min_num=min_num,
+        max_num=max_num,
+        can_order=can_order,
+        can_delete=can_delete,
+        validate_min=validate_min,
+        validate_max=validate_max,
+        absolute_max=absolute_max,
+        can_delete_extra=can_delete_extra,
+        renderer=renderer,
+    )
+    FormSet.model = model
+    FormSet.edit_only = edit_only
+    return FormSet
+
+
+# InlineFormSets #############################################################
+
+
+class BaseInlineFormSet(BaseModelFormSet):
+    """A formset for child objects related to a parent."""
+
+    def __init__(
+        self,
+        data=None,
+        files=None,
+        instance=None,
+        save_as_new=False,
+        prefix=None,
+        queryset=None,
+        **kwargs,
+    ):
+        if instance is None:
+            self.instance = self.fk.remote_field.model()
+        else:
+            self.instance = instance
+        self.save_as_new = save_as_new
+        if queryset is None:
+            queryset = self.model._default_manager
+        if self.instance.pk is not None:
+            qs = queryset.filter(**{self.fk.name: self.instance})
+        else:
+            qs = queryset.none()
+        self.unique_fields = {self.fk.name}
+        super().__init__(data, files, prefix=prefix, queryset=qs, **kwargs)
+
+        # Add the generated field to form._meta.fields if it's defined to make
+        # sure validation isn't skipped on that field.
+        if self.form._meta.fields and self.fk.name not in self.form._meta.fields:
+            if isinstance(self.form._meta.fields, tuple):
+                self.form._meta.fields = list(self.form._meta.fields)
+            self.form._meta.fields.append(self.fk.name)
+
+    def initial_form_count(self):
+        if self.save_as_new:
+            return 0
+        return super().initial_form_count()
+
+    def _construct_form(self, i, **kwargs):
+        form = super()._construct_form(i, **kwargs)
+        if self.save_as_new:
+            mutable = getattr(form.data, "_mutable", None)
+            # Allow modifying an immutable QueryDict.
+            if mutable is not None:
+                form.data._mutable = True
+            # Remove the primary key from the form's data, we are only
+            # creating new instances
+            form.data[form.add_prefix(self._pk_field.name)] = None
+            # Remove the foreign key from the form's data
+            form.data[form.add_prefix(self.fk.name)] = None
+            if mutable is not None:
+                form.data._mutable = mutable
+
+        # Set the fk value here so that the form can do its validation.
+        fk_value = self.instance.pk
+        if self.fk.remote_field.field_name != self.fk.remote_field.model._meta.pk.name:
+            fk_value = getattr(self.instance, self.fk.remote_field.field_name)
+            fk_value = getattr(fk_value, "pk", fk_value)
+        setattr(form.instance, self.fk.get_attname(), fk_value)
+        return form
+
+    @classmethod
+    def get_default_prefix(cls):
+        return cls.fk.remote_field.get_accessor_name(model=cls.model).replace("+", "")
+
+    def save_new(self, form, commit=True):
+        # Ensure the latest copy of the related instance is present on each
+        # form (it may have been saved after the formset was originally
+        # instantiated).
+        setattr(form.instance, self.fk.name, self.instance)
+        return super().save_new(form, commit=commit)
+
+    def add_fields(self, form, index):
+        super().add_fields(form, index)
+        if self._pk_field == self.fk:
+            name = self._pk_field.name
+            kwargs = {"pk_field": True}
+        else:
+            # The foreign key field might not be on the form, so we poke at the
+            # Model field to get the label, since we need that for error messages.
+            name = self.fk.name
+            kwargs = {
+                "label": getattr(
+                    form.fields.get(name), "label", capfirst(self.fk.verbose_name)
+                )
+            }
+
+        # The InlineForeignKeyField assumes that the foreign key relation is
+        # based on the parent model's pk. If this isn't the case, set to_field
+        # to correctly resolve the initial form value.
+        if self.fk.remote_field.field_name != self.fk.remote_field.model._meta.pk.name:
+            kwargs["to_field"] = self.fk.remote_field.field_name
+
+        # If we're adding a new object, ignore a parent's auto-generated key
+        # as it will be regenerated on the save request.
+        if self.instance._state.adding:
+            if kwargs.get("to_field") is not None:
+                to_field = self.instance._meta.get_field(kwargs["to_field"])
+            else:
+                to_field = self.instance._meta.pk
+
+            if to_field.has_default() and (
+                # Don't ignore a parent's auto-generated key if it's not the
+                # parent model's pk and form data is provided.
+                to_field.attname == self.fk.remote_field.model._meta.pk.name
+                or not form.data
+            ):
+                setattr(self.instance, to_field.attname, None)
+
+        form.fields[name] = InlineForeignKeyField(self.instance, **kwargs)
+
+    def get_unique_error_message(self, unique_check):
+        unique_check = [field for field in unique_check if field != self.fk.name]
+        return super().get_unique_error_message(unique_check)
+
+
+def _get_foreign_key(parent_model, model, fk_name=None, can_fail=False):
+    """
+    Find and return the ForeignKey from model to parent if there is one
+    (return None if can_fail is True and no such field exists). If fk_name is
+    provided, assume it is the name of the ForeignKey field. Unless can_fail is
+    True, raise an exception if there isn't a ForeignKey from model to
+    parent_model.
+    """
+    # avoid circular import
+    from django.db.models import ForeignKey
+
+    opts = model._meta
+    if fk_name:
+        fks_to_parent = [f for f in opts.fields if f.name == fk_name]
+        if len(fks_to_parent) == 1:
+            fk = fks_to_parent[0]
+            parent_list = parent_model._meta.get_parent_list()
+            if (
+                not isinstance(fk, ForeignKey)
+                or (
+                    # ForeignKey to proxy models.
+                    fk.remote_field.model._meta.proxy
+                    and fk.remote_field.model._meta.proxy_for_model not in parent_list
+                )
+                or (
+                    # ForeignKey to concrete models.
+                    not fk.remote_field.model._meta.proxy
+                    and fk.remote_field.model != parent_model
+                    and fk.remote_field.model not in parent_list
+                )
+            ):
+                raise ValueError(
+                    "fk_name '%s' is not a ForeignKey to '%s'."
+                    % (fk_name, parent_model._meta.label)
+                )
+        elif not fks_to_parent:
+            raise ValueError(
+                "'%s' has no field named '%s'." % (model._meta.label, fk_name)
+            )
+    else:
+        # Try to discover what the ForeignKey from model to parent_model is
+        parent_list = parent_model._meta.get_parent_list()
+        fks_to_parent = [
+            f
+            for f in opts.fields
+            if isinstance(f, ForeignKey)
+            and (
+                f.remote_field.model == parent_model
+                or f.remote_field.model in parent_list
+                or (
+                    f.remote_field.model._meta.proxy
+                    and f.remote_field.model._meta.proxy_for_model in parent_list
+                )
+            )
+        ]
+        if len(fks_to_parent) == 1:
+            fk = fks_to_parent[0]
+        elif not fks_to_parent:
+            if can_fail:
+                return
+            raise ValueError(
+                "'%s' has no ForeignKey to '%s'."
+                % (
+                    model._meta.label,
+                    parent_model._meta.label,
+                )
+            )
+        else:
+            raise ValueError(
+                "'%s' has more than one ForeignKey to '%s'. You must specify "
+                "a 'fk_name' attribute."
+                % (
+                    model._meta.label,
+                    parent_model._meta.label,
+                )
+            )
+    return fk
+
+
+def inlineformset_factory(
+    parent_model,
+    model,
+    form=ModelForm,
+    formset=BaseInlineFormSet,
+    fk_name=None,
+    fields=None,
+    exclude=None,
+    extra=3,
+    can_order=False,
+    can_delete=True,
+    max_num=None,
+    formfield_callback=None,
+    widgets=None,
+    validate_max=False,
+    localized_fields=None,
+    labels=None,
+    help_texts=None,
+    error_messages=None,
+    min_num=None,
+    validate_min=False,
+    field_classes=None,
+    absolute_max=None,
+    can_delete_extra=True,
+    renderer=None,
+    edit_only=False,
+):
+    """
+    Return an ``InlineFormSet`` for the given kwargs.
+
+    ``fk_name`` must be provided if ``model`` has more than one ``ForeignKey``
+    to ``parent_model``.
+    """
+    fk = _get_foreign_key(parent_model, model, fk_name=fk_name)
+    # enforce a max_num=1 when the foreign key to the parent model is unique.
+    if fk.unique:
+        max_num = 1
+    kwargs = {
+        "form": form,
+        "formfield_callback": formfield_callback,
+        "formset": formset,
+        "extra": extra,
+        "can_delete": can_delete,
+        "can_order": can_order,
+        "fields": fields,
+        "exclude": exclude,
+        "min_num": min_num,
+        "max_num": max_num,
+        "widgets": widgets,
+        "validate_min": validate_min,
+        "validate_max": validate_max,
+        "localized_fields": localized_fields,
+        "labels": labels,
+        "help_texts": help_texts,
+        "error_messages": error_messages,
+        "field_classes": field_classes,
+        "absolute_max": absolute_max,
+        "can_delete_extra": can_delete_extra,
+        "renderer": renderer,
+        "edit_only": edit_only,
+    }
+    FormSet = modelformset_factory(model, **kwargs)
+    FormSet.fk = fk
+    return FormSet
+
+
+# Fields #####################################################################
+
+
+class InlineForeignKeyField(Field):
+    """
+    A basic integer field that deals with validating the given value to a
+    given parent instance in an inline.
+    """
+
+    widget = HiddenInput
+    default_error_messages = {
+        "invalid_choice": _("The inline value did not match the parent instance."),
+    }
+
+    def __init__(self, parent_instance, *args, pk_field=False, to_field=None, **kwargs):
+        self.parent_instance = parent_instance
+        self.pk_field = pk_field
+        self.to_field = to_field
+        if self.parent_instance is not None:
+            if self.to_field:
+                kwargs["initial"] = getattr(self.parent_instance, self.to_field)
+            else:
+                kwargs["initial"] = self.parent_instance.pk
+        kwargs["required"] = False
+        super().__init__(*args, **kwargs)
+
+    def clean(self, value):
+        if value in self.empty_values:
+            if self.pk_field:
+                return None
+            # if there is no value act as we did before.
+            return self.parent_instance
+        # ensure the we compare the values as equal types.
+        if self.to_field:
+            orig = getattr(self.parent_instance, self.to_field)
+        else:
+            orig = self.parent_instance.pk
+        if str(value) != str(orig):
+            raise ValidationError(
+                self.error_messages["invalid_choice"], code="invalid_choice"
+            )
+        return self.parent_instance
+
+    def has_changed(self, initial, data):
+        return False
+
+
+class ModelChoiceIteratorValue:
+    def __init__(self, value, instance):
+        self.value = value
+        self.instance = instance
+
+    def __str__(self):
+        return str(self.value)
+
+    def __hash__(self):
+        return hash(self.value)
+
+    def __eq__(self, other):
+        if isinstance(other, ModelChoiceIteratorValue):
+            other = other.value
+        return self.value == other
+
+
+class ModelChoiceIterator(BaseChoiceIterator):
+    def __init__(self, field):
+        self.field = field
+        self.queryset = field.queryset
+
+    def __iter__(self):
+        if self.field.empty_label is not None:
+            yield ("", self.field.empty_label)
+        queryset = self.queryset
+        # Can't use iterator() when queryset uses prefetch_related()
+        if not queryset._prefetch_related_lookups:
+            queryset = queryset.iterator()
+        for obj in queryset:
+            yield self.choice(obj)
+
+    def __len__(self):
+        # count() adds a query but uses less memory since the QuerySet results
+        # won't be cached. In most cases, the choices will only be iterated on,
+        # and __len__() won't be called.
+        return self.queryset.count() + (1 if self.field.empty_label is not None else 0)
+
+    def __bool__(self):
+        return self.field.empty_label is not None or self.queryset.exists()
+
+    def choice(self, obj):
+        return (
+            ModelChoiceIteratorValue(self.field.prepare_value(obj), obj),
+            self.field.label_from_instance(obj),
+        )
+
+
+class ModelChoiceField(ChoiceField):
+    """A ChoiceField whose choices are a model QuerySet."""
+
+    # This class is a subclass of ChoiceField for purity, but it doesn't
+    # actually use any of ChoiceField's implementation.
+    default_error_messages = {
+        "invalid_choice": _(
+            "Select a valid choice. That choice is not one of the available choices."
+        ),
+    }
+    iterator = ModelChoiceIterator
+
+    def __init__(
+        self,
+        queryset,
+        *,
+        empty_label="---------",
+        required=True,
+        widget=None,
+        label=None,
+        initial=None,
+        help_text="",
+        to_field_name=None,
+        limit_choices_to=None,
+        blank=False,
+        **kwargs,
+    ):
+        # Call Field instead of ChoiceField __init__() because we don't need
+        # ChoiceField.__init__().
+        Field.__init__(
+            self,
+            required=required,
+            widget=widget,
+            label=label,
+            initial=initial,
+            help_text=help_text,
+            **kwargs,
+        )
+        if (required and initial is not None) or (
+            isinstance(self.widget, RadioSelect) and not blank
+        ):
+            self.empty_label = None
+        else:
+            self.empty_label = empty_label
+        self.queryset = queryset
+        self.limit_choices_to = limit_choices_to  # limit the queryset later.
+        self.to_field_name = to_field_name
+
+    def get_limit_choices_to(self):
+        """
+        Return ``limit_choices_to`` for this form field.
+
+        If it is a callable, invoke it and return the result.
+        """
+        if callable(self.limit_choices_to):
+            return self.limit_choices_to()
+        return self.limit_choices_to
+
+    def __deepcopy__(self, memo):
+        result = super(ChoiceField, self).__deepcopy__(memo)
+        # Need to force a new ModelChoiceIterator to be created, bug #11183
+        if self.queryset is not None:
+            result.queryset = self.queryset.all()
+        return result
+
+    def _get_queryset(self):
+        return self._queryset
+
+    def _set_queryset(self, queryset):
+        self._queryset = None if queryset is None else queryset.all()
+        self.widget.choices = self.choices
+
+    queryset = property(_get_queryset, _set_queryset)
+
+    # this method will be used to create object labels by the QuerySetIterator.
+    # Override it to customize the label.
+    def label_from_instance(self, obj):
+        """
+        Convert objects into strings and generate the labels for the choices
+        presented by this object. Subclasses can override this method to
+        customize the display of the choices.
+        """
+        return str(obj)
+
+    def _get_choices(self):
+        # If self._choices is set, then somebody must have manually set
+        # the property self.choices. In this case, just return self._choices.
+        if hasattr(self, "_choices"):
+            return self._choices
+
+        # Otherwise, execute the QuerySet in self.queryset to determine the
+        # choices dynamically. Return a fresh ModelChoiceIterator that has not been
+        # consumed. Note that we're instantiating a new ModelChoiceIterator *each*
+        # time _get_choices() is called (and, thus, each time self.choices is
+        # accessed) so that we can ensure the QuerySet has not been consumed. This
+        # construct might look complicated but it allows for lazy evaluation of
+        # the queryset.
+        return self.iterator(self)
+
+    choices = property(_get_choices, ChoiceField.choices.fset)
+
+    def prepare_value(self, value):
+        if hasattr(value, "_meta"):
+            if self.to_field_name:
+                return value.serializable_value(self.to_field_name)
+            else:
+                return value.pk
+        return super().prepare_value(value)
+
+    def to_python(self, value):
+        if value in self.empty_values:
+            return None
+        try:
+            key = self.to_field_name or "pk"
+            if isinstance(value, self.queryset.model):
+                value = getattr(value, key)
+            value = self.queryset.get(**{key: value})
+        except (ValueError, TypeError, self.queryset.model.DoesNotExist):
+            raise ValidationError(
+                self.error_messages["invalid_choice"],
+                code="invalid_choice",
+                params={"value": value},
+            )
+        return value
+
+    def validate(self, value):
+        return Field.validate(self, value)
+
+    def has_changed(self, initial, data):
+        if self.disabled:
+            return False
+        initial_value = initial if initial is not None else ""
+        data_value = data if data is not None else ""
+        return str(self.prepare_value(initial_value)) != str(data_value)
+
+
+class ModelMultipleChoiceField(ModelChoiceField):
+    """A MultipleChoiceField whose choices are a model QuerySet."""
+
+    widget = SelectMultiple
+    hidden_widget = MultipleHiddenInput
+    default_error_messages = {
+        "invalid_list": _("Enter a list of values."),
+        "invalid_choice": _(
+            "Select a valid choice. %(value)s is not one of the available choices."
+        ),
+        "invalid_pk_value": _("“%(pk)s” is not a valid value."),
+    }
+
+    def __init__(self, queryset, **kwargs):
+        super().__init__(queryset, empty_label=None, **kwargs)
+
+    def to_python(self, value):
+        if not value:
+            return []
+        return list(self._check_values(value))
+
+    def clean(self, value):
+        value = self.prepare_value(value)
+        if self.required and not value:
+            raise ValidationError(self.error_messages["required"], code="required")
+        elif not self.required and not value:
+            return self.queryset.none()
+        if not isinstance(value, (list, tuple)):
+            raise ValidationError(
+                self.error_messages["invalid_list"],
+                code="invalid_list",
+            )
+        qs = self._check_values(value)
+        # Since this overrides the inherited ModelChoiceField.clean
+        # we run custom validators here
+        self.run_validators(value)
+        return qs
+
+    def _check_values(self, value):
+        """
+        Given a list of possible PK values, return a QuerySet of the
+        corresponding objects. Raise a ValidationError if a given value is
+        invalid (not a valid PK, not in the queryset, etc.)
+        """
+        key = self.to_field_name or "pk"
+        # deduplicate given values to avoid creating many querysets or
+        # requiring the database backend deduplicate efficiently.
+        try:
+            value = frozenset(value)
+        except TypeError:
+            # list of lists isn't hashable, for example
+            raise ValidationError(
+                self.error_messages["invalid_list"],
+                code="invalid_list",
+            )
+        for pk in value:
+            try:
+                self.queryset.filter(**{key: pk})
+            except (ValueError, TypeError):
+                raise ValidationError(
+                    self.error_messages["invalid_pk_value"],
+                    code="invalid_pk_value",
+                    params={"pk": pk},
+                )
+        qs = self.queryset.filter(**{"%s__in" % key: value})
+        pks = {str(getattr(o, key)) for o in qs}
+        for val in value:
+            if str(val) not in pks:
+                raise ValidationError(
+                    self.error_messages["invalid_choice"],
+                    code="invalid_choice",
+                    params={"value": val},
+                )
+        return qs
+
+    def prepare_value(self, value):
+        if (
+            hasattr(value, "__iter__")
+            and not isinstance(value, str)
+            and not hasattr(value, "_meta")
+        ):
+            prepare_value = super().prepare_value
+            return [prepare_value(v) for v in value]
+        return super().prepare_value(value)
+
+    def has_changed(self, initial, data):
+        if self.disabled:
+            return False
+        if initial is None:
+            initial = []
+        if data is None:
+            data = []
+        if len(initial) != len(data):
+            return True
+        initial_set = {str(value) for value in self.prepare_value(initial)}
+        data_set = {str(value) for value in data}
+        return data_set != initial_set
+
+
+def modelform_defines_fields(form_class):
+    return hasattr(form_class, "_meta") and (
+        form_class._meta.fields is not None or form_class._meta.exclude is not None
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/renderers.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/renderers.py
new file mode 100644
index 00000000..970d0580
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/renderers.py
@@ -0,0 +1,110 @@
+import functools
+import warnings
+from pathlib import Path
+
+from django.conf import settings
+from django.template.backends.django import DjangoTemplates
+from django.template.loader import get_template
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+
+
+@functools.lru_cache
+def get_default_renderer():
+    renderer_class = import_string(settings.FORM_RENDERER)
+    return renderer_class()
+
+
+class BaseRenderer:
+    form_template_name = "django/forms/div.html"
+    formset_template_name = "django/forms/formsets/div.html"
+    field_template_name = "django/forms/field.html"
+
+    def get_template(self, template_name):
+        raise NotImplementedError("subclasses must implement get_template()")
+
+    def render(self, template_name, context, request=None):
+        template = self.get_template(template_name)
+        return template.render(context, request=request).strip()
+
+
+class EngineMixin:
+    def get_template(self, template_name):
+        return self.engine.get_template(template_name)
+
+    @cached_property
+    def engine(self):
+        return self.backend(
+            {
+                "APP_DIRS": True,
+                "DIRS": [Path(__file__).parent / self.backend.app_dirname],
+                "NAME": "djangoforms",
+                "OPTIONS": {},
+            }
+        )
+
+
+class DjangoTemplates(EngineMixin, BaseRenderer):
+    """
+    Load Django templates from the built-in widget templates in
+    django/forms/templates and from apps' 'templates' directory.
+    """
+
+    backend = DjangoTemplates
+
+
+class Jinja2(EngineMixin, BaseRenderer):
+    """
+    Load Jinja2 templates from the built-in widget templates in
+    django/forms/jinja2 and from apps' 'jinja2' directory.
+    """
+
+    @cached_property
+    def backend(self):
+        from django.template.backends.jinja2 import Jinja2
+
+        return Jinja2
+
+
+# RemovedInDjango60Warning.
+class DjangoDivFormRenderer(DjangoTemplates):
+    """
+    Load Django templates from django/forms/templates and from apps'
+    'templates' directory and use the 'div.html' template to render forms and
+    formsets.
+    """
+
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            "The DjangoDivFormRenderer transitional form renderer is deprecated. Use "
+            "DjangoTemplates instead.",
+            RemovedInDjango60Warning,
+        )
+        super().__init__(*args, **kwargs)
+
+
+# RemovedInDjango60Warning.
+class Jinja2DivFormRenderer(Jinja2):
+    """
+    Load Jinja2 templates from the built-in widget templates in
+    django/forms/jinja2 and from apps' 'jinja2' directory.
+    """
+
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            "The Jinja2DivFormRenderer transitional form renderer is deprecated. Use "
+            "Jinja2 instead.",
+            RemovedInDjango60Warning,
+        )
+        super().__init__(*args, **kwargs)
+
+
+class TemplatesSetting(BaseRenderer):
+    """
+    Load templates using template.loader.get_template() which is configured
+    based on settings.TEMPLATES.
+    """
+
+    def get_template(self, template_name):
+        return get_template(template_name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/attrs.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/attrs.html
new file mode 100644
index 00000000..50de36ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/attrs.html
@@ -0,0 +1 @@
+{% for name, value in attrs.items %}{% if value is not False %} {{ name }}{% if value is not True %}="{{ value|stringformat:'s' }}"{% endif %}{% endif %}{% endfor %}
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/div.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/div.html
new file mode 100644
index 00000000..c20eead4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/div.html
@@ -0,0 +1,15 @@
+{{ errors }}
+{% if errors and not fields %}
+  <div>{% for field in hidden_fields %}{{ field }}{% endfor %}</div>
+{% endif %}
+{% for field, errors in fields %}
+  <div{% with classes=field.css_classes %}{% if classes %} class="{{ classes }}"{% endif %}{% endwith %}>
+    {{ field.as_field_group }}
+    {% if forloop.last %}
+      {% for field in hidden_fields %}{{ field }}{% endfor %}
+    {% endif %}
+</div>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/default.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/default.html
new file mode 100644
index 00000000..8a833c65
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/default.html
@@ -0,0 +1 @@
+{% include "django/forms/errors/dict/ul.html" %}
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/text.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/text.txt
new file mode 100644
index 00000000..dc9fd80c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/text.txt
@@ -0,0 +1,3 @@
+{% for field, errors in errors %}* {{ field }}
+{% for error in errors %}  * {{ error }}
+{% endfor %}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/ul.html
new file mode 100644
index 00000000..c16fd659
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/dict/ul.html
@@ -0,0 +1 @@
+{% if errors %}<ul class="{{ error_class }}">{% for field, error in errors %}<li>{{ field }}{{ error }}</li>{% endfor %}</ul>{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/default.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/default.html
new file mode 100644
index 00000000..b174f26f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/default.html
@@ -0,0 +1 @@
+{% include "django/forms/errors/list/ul.html" %}
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/text.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/text.txt
new file mode 100644
index 00000000..aa7f870b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/text.txt
@@ -0,0 +1,2 @@
+{% for error in errors %}* {{ error }}
+{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/ul.html
new file mode 100644
index 00000000..57b34ccb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/errors/list/ul.html
@@ -0,0 +1 @@
+{% if errors %}<ul class="{{ error_class }}">{% for error in errors %}<li>{{ error }}</li>{% endfor %}</ul>{% endif %}
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/field.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/field.html
new file mode 100644
index 00000000..f8b0cded
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/field.html
@@ -0,0 +1,10 @@
+{% if field.use_fieldset %}
+  <fieldset>
+  {% if field.label %}{{ field.legend_tag }}{% endif %}
+{% else %}
+  {% if field.label %}{{ field.label_tag }}{% endif %}
+{% endif %}
+{% if field.help_text %}<div class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</div>{% endif %}
+{{ field.errors }}
+{{ field }}
+{% if field.use_fieldset %}</fieldset>{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/div.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/div.html
new file mode 100644
index 00000000..93499897
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/div.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_div }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/p.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/p.html
new file mode 100644
index 00000000..00c2df6b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/p.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_p }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/table.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/table.html
new file mode 100644
index 00000000..4fa5e425
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/table.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_table }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/ul.html
new file mode 100644
index 00000000..272e1290
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/formsets/ul.html
@@ -0,0 +1 @@
+{{ formset.management_form }}{% for form in formset %}{{ form.as_ul }}{% endfor %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/label.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/label.html
new file mode 100644
index 00000000..0eba630e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/label.html
@@ -0,0 +1 @@
+{% if use_tag %}<{{ tag }}{% include 'django/forms/attrs.html' %}>{{ label }}</{{ tag }}>{% else %}{{ label }}{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/p.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/p.html
new file mode 100644
index 00000000..89f0a2ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/p.html
@@ -0,0 +1,20 @@
+{{ errors }}
+{% if errors and not fields %}
+  <p>{% for field in hidden_fields %}{{ field }}{% endfor %}</p>
+{% endif %}
+{% for field, errors in fields %}
+  {{ errors }}
+  <p{% with classes=field.css_classes %}{% if classes %} class="{{ classes }}"{% endif %}{% endwith %}>
+    {% if field.label %}{{ field.label_tag }}{% endif %}
+    {{ field }}
+    {% if field.help_text %}
+      <span class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</span>
+    {% endif %}
+    {% if forloop.last %}
+      {% for field in hidden_fields %}{{ field }}{% endfor %}
+    {% endif %}
+  </p>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/table.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/table.html
new file mode 100644
index 00000000..4fbd3b98
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/table.html
@@ -0,0 +1,29 @@
+{% if errors %}
+  <tr>
+    <td colspan="2">
+      {{ errors }}
+      {% if not fields %}
+        {% for field in hidden_fields %}{{ field }}{% endfor %}
+      {% endif %}
+    </td>
+  </tr>
+{% endif %}
+{% for field, errors in fields %}
+  <tr{% with classes=field.css_classes %}{% if classes %} class="{{ classes }}"{% endif %}{% endwith %}>
+    <th>{% if field.label %}{{ field.label_tag }}{% endif %}</th>
+    <td>
+      {{ errors }}
+      {{ field }}
+      {% if field.help_text %}
+        <br>
+        <span class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</span>
+      {% endif %}
+      {% if forloop.last %}
+        {% for field in hidden_fields %}{{ field }}{% endfor %}
+      {% endif %}
+    </td>
+  </tr>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/ul.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/ul.html
new file mode 100644
index 00000000..d78a79ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/ul.html
@@ -0,0 +1,24 @@
+{% if errors %}
+  <li>
+    {{ errors }}
+  {% if not fields %}
+    {% for field in hidden_fields %}{{ field }}{% endfor %}
+  {% endif %}
+  </li>
+{% endif %}
+{% for field, errors in fields %}
+  <li{% with classes=field.css_classes %}{% if classes %} class="{{ classes }}"{% endif %}{% endwith %}>
+    {{ errors }}
+    {% if field.label %}{{ field.label_tag }}{% endif %}
+    {{ field }}
+    {% if field.help_text %}
+      <span class="helptext"{% if field.auto_id %} id="{{ field.auto_id }}_helptext"{% endif %}>{{ field.help_text|safe }}</span>
+    {% endif %}
+    {% if forloop.last %}
+      {% for field in hidden_fields %}{{ field }}{% endfor %}
+    {% endif %}
+  </li>
+{% endfor %}
+{% if not fields and not errors %}
+  {% for field in hidden_fields %}{{ field }}{% endfor %}
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/attrs.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/attrs.html
new file mode 100644
index 00000000..7a5592af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/attrs.html
@@ -0,0 +1 @@
+{% for name, value in widget.attrs.items %}{% if value is not False %} {{ name }}{% if value is not True %}="{{ value|stringformat:'s' }}"{% endif %}{% endif %}{% endfor %}
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox_option.html
new file mode 100644
index 00000000..bb9acbaf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox_option.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input_option.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox_select.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox_select.html
new file mode 100644
index 00000000..780899af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/checkbox_select.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/multiple_input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/clearable_file_input.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/clearable_file_input.html
new file mode 100644
index 00000000..93812837
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/clearable_file_input.html
@@ -0,0 +1,5 @@
+{% if widget.is_initial %}{{ widget.initial_text }}: <a href="{{ widget.value.url }}">{{ widget.value }}</a>{% if not widget.required %}
+<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}"{% if widget.attrs.disabled %} disabled{% endif %}>
+<label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label>{% endif %}<br>
+{{ widget.input_text }}:{% endif %}
+<input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/date.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/date.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/date.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/datetime.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/datetime.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/datetime.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/email.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/email.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/email.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/file.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/file.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/file.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/hidden.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/hidden.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/hidden.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/input.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/input.html
new file mode 100644
index 00000000..9010a921
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/input.html
@@ -0,0 +1 @@
+<input type="{{ widget.type }}" name="{{ widget.name }}"{% if widget.value != None %} value="{{ widget.value|stringformat:'s' }}"{% endif %}{% include "django/forms/widgets/attrs.html" %}>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/input_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/input_option.html
new file mode 100644
index 00000000..48cd65b9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/input_option.html
@@ -0,0 +1 @@
+{% if widget.wrap_label %}<label{% if widget.attrs.id %} for="{{ widget.attrs.id }}"{% endif %}>{% endif %}{% include "django/forms/widgets/input.html" %}{% if widget.wrap_label %} {{ widget.label }}</label>{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiple_hidden.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiple_hidden.html
new file mode 100644
index 00000000..b9695deb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiple_hidden.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/multiwidget.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiple_input.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiple_input.html
new file mode 100644
index 00000000..2a0fec6e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiple_input.html
@@ -0,0 +1,5 @@
+{% with id=widget.attrs.id %}<div{% if id %} id="{{ id }}"{% endif %}{% if widget.attrs.class %} class="{{ widget.attrs.class }}"{% endif %}>{% for group, options, index in widget.optgroups %}{% if group %}
+  <div><label>{{ group }}</label>{% endif %}{% for option in options %}<div>
+    {% include option.template_name with widget=option %}</div>{% endfor %}{% if group %}
+  </div>{% endif %}{% endfor %}
+</div>{% endwith %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiwidget.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiwidget.html
new file mode 100644
index 00000000..7e687a13
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/multiwidget.html
@@ -0,0 +1 @@
+{% spaceless %}{% for widget in widget.subwidgets %}{% include widget.template_name %}{% endfor %}{% endspaceless %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/number.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/number.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/number.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/password.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/password.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/password.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/radio.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/radio.html
new file mode 100644
index 00000000..780899af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/radio.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/multiple_input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/radio_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/radio_option.html
new file mode 100644
index 00000000..bb9acbaf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/radio_option.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input_option.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select.html
new file mode 100644
index 00000000..4d1f6b05
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select.html
@@ -0,0 +1,5 @@
+<select name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>{% for group_name, group_choices, group_index in widget.optgroups %}{% if group_name %}
+  <optgroup label="{{ group_name }}">{% endif %}{% for option in group_choices %}
+  {% include option.template_name with widget=option %}{% endfor %}{% if group_name %}
+  </optgroup>{% endif %}{% endfor %}
+</select>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select_date.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select_date.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select_date.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select_option.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select_option.html
new file mode 100644
index 00000000..8d31961d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/select_option.html
@@ -0,0 +1 @@
+<option value="{{ widget.value|stringformat:'s' }}"{% include "django/forms/widgets/attrs.html" %}>{{ widget.label }}</option>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/splitdatetime.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/splitdatetime.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/splitdatetime.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/splithiddendatetime.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/splithiddendatetime.html
new file mode 100644
index 00000000..32fda826
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/splithiddendatetime.html
@@ -0,0 +1 @@
+{% include 'django/forms/widgets/multiwidget.html' %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/text.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/text.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/text.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/textarea.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/textarea.html
new file mode 100644
index 00000000..b86766c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/textarea.html
@@ -0,0 +1,2 @@
+<textarea name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>
+{% if widget.value %}{{ widget.value }}{% endif %}</textarea>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/time.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/time.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/time.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/url.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/url.html
new file mode 100644
index 00000000..08b1e61c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/templates/django/forms/widgets/url.html
@@ -0,0 +1 @@
+{% include "django/forms/widgets/input.html" %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/utils.py
new file mode 100644
index 00000000..f4fbf3e2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/utils.py
@@ -0,0 +1,244 @@
+import json
+from collections import UserList
+
+from django.conf import settings
+from django.core.exceptions import ValidationError
+from django.forms.renderers import get_default_renderer
+from django.utils import timezone
+from django.utils.html import escape, format_html_join
+from django.utils.safestring import mark_safe
+from django.utils.translation import gettext_lazy as _
+
+
+def pretty_name(name):
+    """Convert 'first_name' to 'First name'."""
+    if not name:
+        return ""
+    return name.replace("_", " ").capitalize()
+
+
+def flatatt(attrs):
+    """
+    Convert a dictionary of attributes to a single string.
+    The returned string will contain a leading space followed by key="value",
+    XML-style pairs. In the case of a boolean value, the key will appear
+    without a value. It is assumed that the keys do not need to be
+    XML-escaped. If the passed dictionary is empty, then return an empty
+    string.
+
+    The result is passed through 'mark_safe' (by way of 'format_html_join').
+    """
+    key_value_attrs = []
+    boolean_attrs = []
+    for attr, value in attrs.items():
+        if isinstance(value, bool):
+            if value:
+                boolean_attrs.append((attr,))
+        elif value is not None:
+            key_value_attrs.append((attr, value))
+
+    return format_html_join("", ' {}="{}"', sorted(key_value_attrs)) + format_html_join(
+        "", " {}", sorted(boolean_attrs)
+    )
+
+
+class RenderableMixin:
+    def get_context(self):
+        raise NotImplementedError(
+            "Subclasses of RenderableMixin must provide a get_context() method."
+        )
+
+    def render(self, template_name=None, context=None, renderer=None):
+        renderer = renderer or self.renderer
+        template = template_name or self.template_name
+        context = context or self.get_context()
+        return mark_safe(renderer.render(template, context))
+
+    __str__ = render
+    __html__ = render
+
+
+class RenderableFieldMixin(RenderableMixin):
+    def as_field_group(self):
+        return self.render()
+
+    def as_hidden(self):
+        raise NotImplementedError(
+            "Subclasses of RenderableFieldMixin must provide an as_hidden() method."
+        )
+
+    def as_widget(self):
+        raise NotImplementedError(
+            "Subclasses of RenderableFieldMixin must provide an as_widget() method."
+        )
+
+    def __str__(self):
+        """Render this field as an HTML widget."""
+        if self.field.show_hidden_initial:
+            return self.as_widget() + self.as_hidden(only_initial=True)
+        return self.as_widget()
+
+    __html__ = __str__
+
+
+class RenderableFormMixin(RenderableMixin):
+    def as_p(self):
+        """Render as <p> elements."""
+        return self.render(self.template_name_p)
+
+    def as_table(self):
+        """Render as <tr> elements excluding the surrounding <table> tag."""
+        return self.render(self.template_name_table)
+
+    def as_ul(self):
+        """Render as <li> elements excluding the surrounding <ul> tag."""
+        return self.render(self.template_name_ul)
+
+    def as_div(self):
+        """Render as <div> elements."""
+        return self.render(self.template_name_div)
+
+
+class RenderableErrorMixin(RenderableMixin):
+    def as_json(self, escape_html=False):
+        return json.dumps(self.get_json_data(escape_html))
+
+    def as_text(self):
+        return self.render(self.template_name_text)
+
+    def as_ul(self):
+        return self.render(self.template_name_ul)
+
+
+class ErrorDict(dict, RenderableErrorMixin):
+    """
+    A collection of errors that knows how to display itself in various formats.
+
+    The dictionary keys are the field names, and the values are the errors.
+    """
+
+    template_name = "django/forms/errors/dict/default.html"
+    template_name_text = "django/forms/errors/dict/text.txt"
+    template_name_ul = "django/forms/errors/dict/ul.html"
+
+    def __init__(self, *args, renderer=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.renderer = renderer or get_default_renderer()
+
+    def as_data(self):
+        return {f: e.as_data() for f, e in self.items()}
+
+    def get_json_data(self, escape_html=False):
+        return {f: e.get_json_data(escape_html) for f, e in self.items()}
+
+    def get_context(self):
+        return {
+            "errors": self.items(),
+            "error_class": "errorlist",
+        }
+
+
+class ErrorList(UserList, list, RenderableErrorMixin):
+    """
+    A collection of errors that knows how to display itself in various formats.
+    """
+
+    template_name = "django/forms/errors/list/default.html"
+    template_name_text = "django/forms/errors/list/text.txt"
+    template_name_ul = "django/forms/errors/list/ul.html"
+
+    def __init__(self, initlist=None, error_class=None, renderer=None):
+        super().__init__(initlist)
+
+        if error_class is None:
+            self.error_class = "errorlist"
+        else:
+            self.error_class = "errorlist {}".format(error_class)
+        self.renderer = renderer or get_default_renderer()
+
+    def as_data(self):
+        return ValidationError(self.data).error_list
+
+    def copy(self):
+        copy = super().copy()
+        copy.error_class = self.error_class
+        return copy
+
+    def get_json_data(self, escape_html=False):
+        errors = []
+        for error in self.as_data():
+            message = next(iter(error))
+            errors.append(
+                {
+                    "message": escape(message) if escape_html else message,
+                    "code": error.code or "",
+                }
+            )
+        return errors
+
+    def get_context(self):
+        return {
+            "errors": self,
+            "error_class": self.error_class,
+        }
+
+    def __repr__(self):
+        return repr(list(self))
+
+    def __contains__(self, item):
+        return item in list(self)
+
+    def __eq__(self, other):
+        return list(self) == other
+
+    def __getitem__(self, i):
+        error = self.data[i]
+        if isinstance(error, ValidationError):
+            return next(iter(error))
+        return error
+
+    def __reduce_ex__(self, *args, **kwargs):
+        # The `list` reduce function returns an iterator as the fourth element
+        # that is normally used for repopulating. Since we only inherit from
+        # `list` for `isinstance` backward compatibility (Refs #17413) we
+        # nullify this iterator as it would otherwise result in duplicate
+        # entries. (Refs #23594)
+        info = super(UserList, self).__reduce_ex__(*args, **kwargs)
+        return info[:3] + (None, None)
+
+
+# Utilities for time zone support in DateTimeField et al.
+
+
+def from_current_timezone(value):
+    """
+    When time zone support is enabled, convert naive datetimes
+    entered in the current time zone to aware datetimes.
+    """
+    if settings.USE_TZ and value is not None and timezone.is_naive(value):
+        current_timezone = timezone.get_current_timezone()
+        try:
+            if timezone._datetime_ambiguous_or_imaginary(value, current_timezone):
+                raise ValueError("Ambiguous or non-existent time.")
+            return timezone.make_aware(value, current_timezone)
+        except Exception as exc:
+            raise ValidationError(
+                _(
+                    "%(datetime)s couldn’t be interpreted "
+                    "in time zone %(current_timezone)s; it "
+                    "may be ambiguous or it may not exist."
+                ),
+                code="ambiguous_timezone",
+                params={"datetime": value, "current_timezone": current_timezone},
+            ) from exc
+    return value
+
+
+def to_current_timezone(value):
+    """
+    When time zone support is enabled, convert aware datetimes
+    to naive datetimes in the current time zone for display.
+    """
+    if settings.USE_TZ and value is not None and timezone.is_aware(value):
+        return timezone.make_naive(value)
+    return value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/widgets.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/widgets.py
new file mode 100644
index 00000000..4fae110d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/forms/widgets.py
@@ -0,0 +1,1210 @@
+"""
+HTML Widget classes
+"""
+
+import copy
+import datetime
+import warnings
+from collections import defaultdict
+from graphlib import CycleError, TopologicalSorter
+from itertools import chain
+
+from django.forms.utils import to_current_timezone
+from django.templatetags.static import static
+from django.utils import formats
+from django.utils.choices import normalize_choices
+from django.utils.dates import MONTHS
+from django.utils.formats import get_format
+from django.utils.html import format_html, html_safe
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.safestring import mark_safe
+from django.utils.translation import gettext_lazy as _
+
+from .renderers import get_default_renderer
+
+__all__ = (
+    "Media",
+    "MediaDefiningClass",
+    "Widget",
+    "TextInput",
+    "NumberInput",
+    "EmailInput",
+    "URLInput",
+    "PasswordInput",
+    "HiddenInput",
+    "MultipleHiddenInput",
+    "FileInput",
+    "ClearableFileInput",
+    "Textarea",
+    "DateInput",
+    "DateTimeInput",
+    "TimeInput",
+    "CheckboxInput",
+    "Select",
+    "NullBooleanSelect",
+    "SelectMultiple",
+    "RadioSelect",
+    "CheckboxSelectMultiple",
+    "MultiWidget",
+    "SplitDateTimeWidget",
+    "SplitHiddenDateTimeWidget",
+    "SelectDateWidget",
+)
+
+MEDIA_TYPES = ("css", "js")
+
+
+class MediaOrderConflictWarning(RuntimeWarning):
+    pass
+
+
+@html_safe
+class Media:
+    def __init__(self, media=None, css=None, js=None):
+        if media is not None:
+            css = getattr(media, "css", {})
+            js = getattr(media, "js", [])
+        else:
+            if css is None:
+                css = {}
+            if js is None:
+                js = []
+        self._css_lists = [css]
+        self._js_lists = [js]
+
+    def __repr__(self):
+        return "Media(css=%r, js=%r)" % (self._css, self._js)
+
+    def __str__(self):
+        return self.render()
+
+    @property
+    def _css(self):
+        css = defaultdict(list)
+        for css_list in self._css_lists:
+            for medium, sublist in css_list.items():
+                css[medium].append(sublist)
+        return {medium: self.merge(*lists) for medium, lists in css.items()}
+
+    @property
+    def _js(self):
+        return self.merge(*self._js_lists)
+
+    def render(self):
+        return mark_safe(
+            "\n".join(
+                chain.from_iterable(
+                    getattr(self, "render_" + name)() for name in MEDIA_TYPES
+                )
+            )
+        )
+
+    def render_js(self):
+        return [
+            (
+                path.__html__()
+                if hasattr(path, "__html__")
+                else format_html('<script src="{}"></script>', self.absolute_path(path))
+            )
+            for path in self._js
+        ]
+
+    def render_css(self):
+        # To keep rendering order consistent, we can't just iterate over items().
+        # We need to sort the keys, and iterate over the sorted list.
+        media = sorted(self._css)
+        return chain.from_iterable(
+            [
+                (
+                    path.__html__()
+                    if hasattr(path, "__html__")
+                    else format_html(
+                        '<link href="{}" media="{}" rel="stylesheet">',
+                        self.absolute_path(path),
+                        medium,
+                    )
+                )
+                for path in self._css[medium]
+            ]
+            for medium in media
+        )
+
+    def absolute_path(self, path):
+        """
+        Given a relative or absolute path to a static asset, return an absolute
+        path. An absolute path will be returned unchanged while a relative path
+        will be passed to django.templatetags.static.static().
+        """
+        if path.startswith(("http://", "https://", "/")):
+            return path
+        return static(path)
+
+    def __getitem__(self, name):
+        """Return a Media object that only contains media of the given type."""
+        if name in MEDIA_TYPES:
+            return Media(**{str(name): getattr(self, "_" + name)})
+        raise KeyError('Unknown media type "%s"' % name)
+
+    @staticmethod
+    def merge(*lists):
+        """
+        Merge lists while trying to keep the relative order of the elements.
+        Warn if the lists have the same elements in a different relative order.
+
+        For static assets it can be important to have them included in the DOM
+        in a certain order. In JavaScript you may not be able to reference a
+        global or in CSS you might want to override a style.
+        """
+        ts = TopologicalSorter()
+        for head, *tail in filter(None, lists):
+            ts.add(head)  # Ensure that the first items are included.
+            for item in tail:
+                if head != item:  # Avoid circular dependency to self.
+                    ts.add(item, head)
+                head = item
+        try:
+            return list(ts.static_order())
+        except CycleError:
+            warnings.warn(
+                "Detected duplicate Media files in an opposite order: {}".format(
+                    ", ".join(repr(list_) for list_ in lists)
+                ),
+                MediaOrderConflictWarning,
+            )
+            return list(dict.fromkeys(chain.from_iterable(filter(None, lists))))
+
+    def __add__(self, other):
+        combined = Media()
+        combined._css_lists = self._css_lists[:]
+        combined._js_lists = self._js_lists[:]
+        for item in other._css_lists:
+            if item and item not in self._css_lists:
+                combined._css_lists.append(item)
+        for item in other._js_lists:
+            if item and item not in self._js_lists:
+                combined._js_lists.append(item)
+        return combined
+
+
+def media_property(cls):
+    def _media(self):
+        # Get the media property of the superclass, if it exists
+        sup_cls = super(cls, self)
+        try:
+            base = sup_cls.media
+        except AttributeError:
+            base = Media()
+
+        # Get the media definition for this class
+        definition = getattr(cls, "Media", None)
+        if definition:
+            extend = getattr(definition, "extend", True)
+            if extend:
+                if extend is True:
+                    m = base
+                else:
+                    m = Media()
+                    for medium in extend:
+                        m += base[medium]
+                return m + Media(definition)
+            return Media(definition)
+        return base
+
+    return property(_media)
+
+
+class MediaDefiningClass(type):
+    """
+    Metaclass for classes that can have media definitions.
+    """
+
+    def __new__(mcs, name, bases, attrs):
+        new_class = super().__new__(mcs, name, bases, attrs)
+
+        if "media" not in attrs:
+            new_class.media = media_property(new_class)
+
+        return new_class
+
+
+class Widget(metaclass=MediaDefiningClass):
+    needs_multipart_form = False  # Determines does this widget need multipart form
+    is_localized = False
+    is_required = False
+    supports_microseconds = True
+    use_fieldset = False
+
+    def __init__(self, attrs=None):
+        self.attrs = {} if attrs is None else attrs.copy()
+
+    def __deepcopy__(self, memo):
+        obj = copy.copy(self)
+        obj.attrs = self.attrs.copy()
+        memo[id(self)] = obj
+        return obj
+
+    @property
+    def is_hidden(self):
+        return self.input_type == "hidden" if hasattr(self, "input_type") else False
+
+    def subwidgets(self, name, value, attrs=None):
+        context = self.get_context(name, value, attrs)
+        yield context["widget"]
+
+    def format_value(self, value):
+        """
+        Return a value as it should appear when rendered in a template.
+        """
+        if value == "" or value is None:
+            return None
+        if self.is_localized:
+            return formats.localize_input(value)
+        return str(value)
+
+    def get_context(self, name, value, attrs):
+        return {
+            "widget": {
+                "name": name,
+                "is_hidden": self.is_hidden,
+                "required": self.is_required,
+                "value": self.format_value(value),
+                "attrs": self.build_attrs(self.attrs, attrs),
+                "template_name": self.template_name,
+            },
+        }
+
+    def render(self, name, value, attrs=None, renderer=None):
+        """Render the widget as an HTML string."""
+        context = self.get_context(name, value, attrs)
+        return self._render(self.template_name, context, renderer)
+
+    def _render(self, template_name, context, renderer=None):
+        if renderer is None:
+            renderer = get_default_renderer()
+        return mark_safe(renderer.render(template_name, context))
+
+    def build_attrs(self, base_attrs, extra_attrs=None):
+        """Build an attribute dictionary."""
+        return {**base_attrs, **(extra_attrs or {})}
+
+    def value_from_datadict(self, data, files, name):
+        """
+        Given a dictionary of data and this widget's name, return the value
+        of this widget or None if it's not provided.
+        """
+        return data.get(name)
+
+    def value_omitted_from_data(self, data, files, name):
+        return name not in data
+
+    def id_for_label(self, id_):
+        """
+        Return the HTML ID attribute of this Widget for use by a <label>, given
+        the ID of the field. Return an empty string if no ID is available.
+
+        This hook is necessary because some widgets have multiple HTML
+        elements and, thus, multiple IDs. In that case, this method should
+        return an ID value that corresponds to the first ID in the widget's
+        tags.
+        """
+        return id_
+
+    def use_required_attribute(self, initial):
+        return not self.is_hidden
+
+
+class Input(Widget):
+    """
+    Base class for all <input> widgets.
+    """
+
+    input_type = None  # Subclasses must define this.
+    template_name = "django/forms/widgets/input.html"
+
+    def __init__(self, attrs=None):
+        if attrs is not None:
+            attrs = attrs.copy()
+            self.input_type = attrs.pop("type", self.input_type)
+        super().__init__(attrs)
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        context["widget"]["type"] = self.input_type
+        return context
+
+
+class TextInput(Input):
+    input_type = "text"
+    template_name = "django/forms/widgets/text.html"
+
+
+class NumberInput(Input):
+    input_type = "number"
+    template_name = "django/forms/widgets/number.html"
+
+
+class EmailInput(Input):
+    input_type = "email"
+    template_name = "django/forms/widgets/email.html"
+
+
+class URLInput(Input):
+    input_type = "url"
+    template_name = "django/forms/widgets/url.html"
+
+
+class PasswordInput(Input):
+    input_type = "password"
+    template_name = "django/forms/widgets/password.html"
+
+    def __init__(self, attrs=None, render_value=False):
+        super().__init__(attrs)
+        self.render_value = render_value
+
+    def get_context(self, name, value, attrs):
+        if not self.render_value:
+            value = None
+        return super().get_context(name, value, attrs)
+
+
+class HiddenInput(Input):
+    input_type = "hidden"
+    template_name = "django/forms/widgets/hidden.html"
+
+
+class MultipleHiddenInput(HiddenInput):
+    """
+    Handle <input type="hidden"> for fields that have a list
+    of values.
+    """
+
+    template_name = "django/forms/widgets/multiple_hidden.html"
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        final_attrs = context["widget"]["attrs"]
+        id_ = context["widget"]["attrs"].get("id")
+
+        subwidgets = []
+        for index, value_ in enumerate(context["widget"]["value"]):
+            widget_attrs = final_attrs.copy()
+            if id_:
+                # An ID attribute was given. Add a numeric index as a suffix
+                # so that the inputs don't all have the same ID attribute.
+                widget_attrs["id"] = "%s_%s" % (id_, index)
+            widget = HiddenInput()
+            widget.is_required = self.is_required
+            subwidgets.append(widget.get_context(name, value_, widget_attrs)["widget"])
+
+        context["widget"]["subwidgets"] = subwidgets
+        return context
+
+    def value_from_datadict(self, data, files, name):
+        try:
+            getter = data.getlist
+        except AttributeError:
+            getter = data.get
+        return getter(name)
+
+    def format_value(self, value):
+        return [] if value is None else value
+
+
+class FileInput(Input):
+    allow_multiple_selected = False
+    input_type = "file"
+    needs_multipart_form = True
+    template_name = "django/forms/widgets/file.html"
+
+    def __init__(self, attrs=None):
+        if (
+            attrs is not None
+            and not self.allow_multiple_selected
+            and attrs.get("multiple", False)
+        ):
+            raise ValueError(
+                "%s doesn't support uploading multiple files."
+                % self.__class__.__qualname__
+            )
+        if self.allow_multiple_selected:
+            if attrs is None:
+                attrs = {"multiple": True}
+            else:
+                attrs.setdefault("multiple", True)
+        super().__init__(attrs)
+
+    def format_value(self, value):
+        """File input never renders a value."""
+        return
+
+    def value_from_datadict(self, data, files, name):
+        "File widgets take data from FILES, not POST"
+        getter = files.get
+        if self.allow_multiple_selected:
+            try:
+                getter = files.getlist
+            except AttributeError:
+                pass
+        return getter(name)
+
+    def value_omitted_from_data(self, data, files, name):
+        return name not in files
+
+    def use_required_attribute(self, initial):
+        return super().use_required_attribute(initial) and not initial
+
+
+FILE_INPUT_CONTRADICTION = object()
+
+
+class ClearableFileInput(FileInput):
+    clear_checkbox_label = _("Clear")
+    initial_text = _("Currently")
+    input_text = _("Change")
+    template_name = "django/forms/widgets/clearable_file_input.html"
+    checked = False
+
+    def clear_checkbox_name(self, name):
+        """
+        Given the name of the file input, return the name of the clear checkbox
+        input.
+        """
+        return name + "-clear"
+
+    def clear_checkbox_id(self, name):
+        """
+        Given the name of the clear checkbox input, return the HTML id for it.
+        """
+        return name + "_id"
+
+    def is_initial(self, value):
+        """
+        Return whether value is considered to be initial value.
+        """
+        return bool(value and getattr(value, "url", False))
+
+    def format_value(self, value):
+        """
+        Return the file object if it has a defined url attribute.
+        """
+        if self.is_initial(value):
+            return value
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        checkbox_name = self.clear_checkbox_name(name)
+        checkbox_id = self.clear_checkbox_id(checkbox_name)
+        context["widget"].update(
+            {
+                "checkbox_name": checkbox_name,
+                "checkbox_id": checkbox_id,
+                "is_initial": self.is_initial(value),
+                "input_text": self.input_text,
+                "initial_text": self.initial_text,
+                "clear_checkbox_label": self.clear_checkbox_label,
+            }
+        )
+        context["widget"]["attrs"].setdefault("disabled", False)
+        context["widget"]["attrs"]["checked"] = self.checked
+        return context
+
+    def value_from_datadict(self, data, files, name):
+        upload = super().value_from_datadict(data, files, name)
+        self.checked = self.clear_checkbox_name(name) in data
+        if not self.is_required and CheckboxInput().value_from_datadict(
+            data, files, self.clear_checkbox_name(name)
+        ):
+            if upload:
+                # If the user contradicts themselves (uploads a new file AND
+                # checks the "clear" checkbox), we return a unique marker
+                # object that FileField will turn into a ValidationError.
+                return FILE_INPUT_CONTRADICTION
+            # False signals to clear any existing value, as opposed to just None
+            return False
+        return upload
+
+    def value_omitted_from_data(self, data, files, name):
+        return (
+            super().value_omitted_from_data(data, files, name)
+            and self.clear_checkbox_name(name) not in data
+        )
+
+
+class Textarea(Widget):
+    template_name = "django/forms/widgets/textarea.html"
+
+    def __init__(self, attrs=None):
+        # Use slightly better defaults than HTML's 20x2 box
+        default_attrs = {"cols": "40", "rows": "10"}
+        if attrs:
+            default_attrs.update(attrs)
+        super().__init__(default_attrs)
+
+
+class DateTimeBaseInput(TextInput):
+    format_key = ""
+    supports_microseconds = False
+
+    def __init__(self, attrs=None, format=None):
+        super().__init__(attrs)
+        self.format = format or None
+
+    def format_value(self, value):
+        return formats.localize_input(
+            value, self.format or formats.get_format(self.format_key)[0]
+        )
+
+
+class DateInput(DateTimeBaseInput):
+    format_key = "DATE_INPUT_FORMATS"
+    template_name = "django/forms/widgets/date.html"
+
+
+class DateTimeInput(DateTimeBaseInput):
+    format_key = "DATETIME_INPUT_FORMATS"
+    template_name = "django/forms/widgets/datetime.html"
+
+
+class TimeInput(DateTimeBaseInput):
+    format_key = "TIME_INPUT_FORMATS"
+    template_name = "django/forms/widgets/time.html"
+
+
+# Defined at module level so that CheckboxInput is picklable (#17976)
+def boolean_check(v):
+    return not (v is False or v is None or v == "")
+
+
+class CheckboxInput(Input):
+    input_type = "checkbox"
+    template_name = "django/forms/widgets/checkbox.html"
+
+    def __init__(self, attrs=None, check_test=None):
+        super().__init__(attrs)
+        # check_test is a callable that takes a value and returns True
+        # if the checkbox should be checked for that value.
+        self.check_test = boolean_check if check_test is None else check_test
+
+    def format_value(self, value):
+        """Only return the 'value' attribute if value isn't empty."""
+        if value is True or value is False or value is None or value == "":
+            return
+        return str(value)
+
+    def get_context(self, name, value, attrs):
+        if self.check_test(value):
+            attrs = {**(attrs or {}), "checked": True}
+        return super().get_context(name, value, attrs)
+
+    def value_from_datadict(self, data, files, name):
+        if name not in data:
+            # A missing value means False because HTML form submission does not
+            # send results for unselected checkboxes.
+            return False
+        value = data.get(name)
+        # Translate true and false strings to boolean values.
+        values = {"true": True, "false": False}
+        if isinstance(value, str):
+            value = values.get(value.lower(), value)
+        return bool(value)
+
+    def value_omitted_from_data(self, data, files, name):
+        # HTML checkboxes don't appear in POST data if not checked, so it's
+        # never known if the value is actually omitted.
+        return False
+
+
+class ChoiceWidget(Widget):
+    allow_multiple_selected = False
+    input_type = None
+    template_name = None
+    option_template_name = None
+    add_id_index = True
+    checked_attribute = {"checked": True}
+    option_inherits_attrs = True
+
+    def __init__(self, attrs=None, choices=()):
+        super().__init__(attrs)
+        self.choices = choices
+
+    def __deepcopy__(self, memo):
+        obj = copy.copy(self)
+        obj.attrs = self.attrs.copy()
+        obj.choices = copy.copy(self.choices)
+        memo[id(self)] = obj
+        return obj
+
+    def subwidgets(self, name, value, attrs=None):
+        """
+        Yield all "subwidgets" of this widget. Used to enable iterating
+        options from a BoundField for choice widgets.
+        """
+        value = self.format_value(value)
+        yield from self.options(name, value, attrs)
+
+    def options(self, name, value, attrs=None):
+        """Yield a flat list of options for this widget."""
+        for group in self.optgroups(name, value, attrs):
+            yield from group[1]
+
+    def optgroups(self, name, value, attrs=None):
+        """Return a list of optgroups for this widget."""
+        groups = []
+        has_selected = False
+
+        for index, (option_value, option_label) in enumerate(self.choices):
+            if option_value is None:
+                option_value = ""
+
+            subgroup = []
+            if isinstance(option_label, (list, tuple)):
+                group_name = option_value
+                subindex = 0
+                choices = option_label
+            else:
+                group_name = None
+                subindex = None
+                choices = [(option_value, option_label)]
+            groups.append((group_name, subgroup, index))
+
+            for subvalue, sublabel in choices:
+                selected = (not has_selected or self.allow_multiple_selected) and str(
+                    subvalue
+                ) in value
+                has_selected |= selected
+                subgroup.append(
+                    self.create_option(
+                        name,
+                        subvalue,
+                        sublabel,
+                        selected,
+                        index,
+                        subindex=subindex,
+                        attrs=attrs,
+                    )
+                )
+                if subindex is not None:
+                    subindex += 1
+        return groups
+
+    def create_option(
+        self, name, value, label, selected, index, subindex=None, attrs=None
+    ):
+        index = str(index) if subindex is None else "%s_%s" % (index, subindex)
+        option_attrs = (
+            self.build_attrs(self.attrs, attrs) if self.option_inherits_attrs else {}
+        )
+        if selected:
+            option_attrs.update(self.checked_attribute)
+        if "id" in option_attrs:
+            option_attrs["id"] = self.id_for_label(option_attrs["id"], index)
+        return {
+            "name": name,
+            "value": value,
+            "label": label,
+            "selected": selected,
+            "index": index,
+            "attrs": option_attrs,
+            "type": self.input_type,
+            "template_name": self.option_template_name,
+            "wrap_label": True,
+        }
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        context["widget"]["optgroups"] = self.optgroups(
+            name, context["widget"]["value"], attrs
+        )
+        return context
+
+    def id_for_label(self, id_, index="0"):
+        """
+        Use an incremented id for each option where the main widget
+        references the zero index.
+        """
+        if id_ and self.add_id_index:
+            id_ = "%s_%s" % (id_, index)
+        return id_
+
+    def value_from_datadict(self, data, files, name):
+        getter = data.get
+        if self.allow_multiple_selected:
+            try:
+                getter = data.getlist
+            except AttributeError:
+                pass
+        return getter(name)
+
+    def format_value(self, value):
+        """Return selected values as a list."""
+        if value is None and self.allow_multiple_selected:
+            return []
+        if not isinstance(value, (tuple, list)):
+            value = [value]
+        return [str(v) if v is not None else "" for v in value]
+
+    @property
+    def choices(self):
+        return self._choices
+
+    @choices.setter
+    def choices(self, value):
+        self._choices = normalize_choices(value)
+
+
+class Select(ChoiceWidget):
+    input_type = "select"
+    template_name = "django/forms/widgets/select.html"
+    option_template_name = "django/forms/widgets/select_option.html"
+    add_id_index = False
+    checked_attribute = {"selected": True}
+    option_inherits_attrs = False
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        if self.allow_multiple_selected:
+            context["widget"]["attrs"]["multiple"] = True
+        return context
+
+    @staticmethod
+    def _choice_has_empty_value(choice):
+        """Return True if the choice's value is empty string or None."""
+        value, _ = choice
+        return value is None or value == ""
+
+    def use_required_attribute(self, initial):
+        """
+        Don't render 'required' if the first <option> has a value, as that's
+        invalid HTML.
+        """
+        use_required_attribute = super().use_required_attribute(initial)
+        # 'required' is always okay for <select multiple>.
+        if self.allow_multiple_selected:
+            return use_required_attribute
+
+        first_choice = next(iter(self.choices), None)
+        return (
+            use_required_attribute
+            and first_choice is not None
+            and self._choice_has_empty_value(first_choice)
+        )
+
+
+class NullBooleanSelect(Select):
+    """
+    A Select Widget intended to be used with NullBooleanField.
+    """
+
+    def __init__(self, attrs=None):
+        choices = (
+            ("unknown", _("Unknown")),
+            ("true", _("Yes")),
+            ("false", _("No")),
+        )
+        super().__init__(attrs, choices)
+
+    def format_value(self, value):
+        try:
+            return {
+                True: "true",
+                False: "false",
+                "true": "true",
+                "false": "false",
+                # For backwards compatibility with Django < 2.2.
+                "2": "true",
+                "3": "false",
+            }[value]
+        except KeyError:
+            return "unknown"
+
+    def value_from_datadict(self, data, files, name):
+        value = data.get(name)
+        return {
+            True: True,
+            "True": True,
+            "False": False,
+            False: False,
+            "true": True,
+            "false": False,
+            # For backwards compatibility with Django < 2.2.
+            "2": True,
+            "3": False,
+        }.get(value)
+
+
+class SelectMultiple(Select):
+    allow_multiple_selected = True
+
+    def value_from_datadict(self, data, files, name):
+        try:
+            getter = data.getlist
+        except AttributeError:
+            getter = data.get
+        return getter(name)
+
+    def value_omitted_from_data(self, data, files, name):
+        # An unselected <select multiple> doesn't appear in POST data, so it's
+        # never known if the value is actually omitted.
+        return False
+
+
+class RadioSelect(ChoiceWidget):
+    input_type = "radio"
+    template_name = "django/forms/widgets/radio.html"
+    option_template_name = "django/forms/widgets/radio_option.html"
+    use_fieldset = True
+
+    def id_for_label(self, id_, index=None):
+        """
+        Don't include for="field_0" in <label> to improve accessibility when
+        using a screen reader, in addition clicking such a label would toggle
+        the first input.
+        """
+        if index is None:
+            return ""
+        return super().id_for_label(id_, index)
+
+
+class CheckboxSelectMultiple(RadioSelect):
+    allow_multiple_selected = True
+    input_type = "checkbox"
+    template_name = "django/forms/widgets/checkbox_select.html"
+    option_template_name = "django/forms/widgets/checkbox_option.html"
+
+    def use_required_attribute(self, initial):
+        # Don't use the 'required' attribute because browser validation would
+        # require all checkboxes to be checked instead of at least one.
+        return False
+
+    def value_omitted_from_data(self, data, files, name):
+        # HTML checkboxes don't appear in POST data if not checked, so it's
+        # never known if the value is actually omitted.
+        return False
+
+
+class MultiWidget(Widget):
+    """
+    A widget that is composed of multiple widgets.
+
+    In addition to the values added by Widget.get_context(), this widget
+    adds a list of subwidgets to the context as widget['subwidgets'].
+    These can be looped over and rendered like normal widgets.
+
+    You'll probably want to use this class with MultiValueField.
+    """
+
+    template_name = "django/forms/widgets/multiwidget.html"
+    use_fieldset = True
+
+    def __init__(self, widgets, attrs=None):
+        if isinstance(widgets, dict):
+            self.widgets_names = [("_%s" % name) if name else "" for name in widgets]
+            widgets = widgets.values()
+        else:
+            self.widgets_names = ["_%s" % i for i in range(len(widgets))]
+        self.widgets = [w() if isinstance(w, type) else w for w in widgets]
+        super().__init__(attrs)
+
+    @property
+    def is_hidden(self):
+        return all(w.is_hidden for w in self.widgets)
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        if self.is_localized:
+            for widget in self.widgets:
+                widget.is_localized = self.is_localized
+        # value is a list/tuple of values, each corresponding to a widget
+        # in self.widgets.
+        if not isinstance(value, (list, tuple)):
+            value = self.decompress(value)
+
+        final_attrs = context["widget"]["attrs"]
+        input_type = final_attrs.pop("type", None)
+        id_ = final_attrs.get("id")
+        subwidgets = []
+        for i, (widget_name, widget) in enumerate(
+            zip(self.widgets_names, self.widgets)
+        ):
+            if input_type is not None:
+                widget.input_type = input_type
+            widget_name = name + widget_name
+            try:
+                widget_value = value[i]
+            except IndexError:
+                widget_value = None
+            if id_:
+                widget_attrs = final_attrs.copy()
+                widget_attrs["id"] = "%s_%s" % (id_, i)
+            else:
+                widget_attrs = final_attrs
+            subwidgets.append(
+                widget.get_context(widget_name, widget_value, widget_attrs)["widget"]
+            )
+        context["widget"]["subwidgets"] = subwidgets
+        return context
+
+    def id_for_label(self, id_):
+        return ""
+
+    def value_from_datadict(self, data, files, name):
+        return [
+            widget.value_from_datadict(data, files, name + widget_name)
+            for widget_name, widget in zip(self.widgets_names, self.widgets)
+        ]
+
+    def value_omitted_from_data(self, data, files, name):
+        return all(
+            widget.value_omitted_from_data(data, files, name + widget_name)
+            for widget_name, widget in zip(self.widgets_names, self.widgets)
+        )
+
+    def decompress(self, value):
+        """
+        Return a list of decompressed values for the given compressed value.
+        The given value can be assumed to be valid, but not necessarily
+        non-empty.
+        """
+        raise NotImplementedError("Subclasses must implement this method.")
+
+    def _get_media(self):
+        """
+        Media for a multiwidget is the combination of all media of the
+        subwidgets.
+        """
+        media = Media()
+        for w in self.widgets:
+            media += w.media
+        return media
+
+    media = property(_get_media)
+
+    def __deepcopy__(self, memo):
+        obj = super().__deepcopy__(memo)
+        obj.widgets = copy.deepcopy(self.widgets)
+        return obj
+
+    @property
+    def needs_multipart_form(self):
+        return any(w.needs_multipart_form for w in self.widgets)
+
+
+class SplitDateTimeWidget(MultiWidget):
+    """
+    A widget that splits datetime input into two <input type="text"> boxes.
+    """
+
+    supports_microseconds = False
+    template_name = "django/forms/widgets/splitdatetime.html"
+
+    def __init__(
+        self,
+        attrs=None,
+        date_format=None,
+        time_format=None,
+        date_attrs=None,
+        time_attrs=None,
+    ):
+        widgets = (
+            DateInput(
+                attrs=attrs if date_attrs is None else date_attrs,
+                format=date_format,
+            ),
+            TimeInput(
+                attrs=attrs if time_attrs is None else time_attrs,
+                format=time_format,
+            ),
+        )
+        super().__init__(widgets)
+
+    def decompress(self, value):
+        if value:
+            value = to_current_timezone(value)
+            return [value.date(), value.time()]
+        return [None, None]
+
+
+class SplitHiddenDateTimeWidget(SplitDateTimeWidget):
+    """
+    A widget that splits datetime input into two <input type="hidden"> inputs.
+    """
+
+    template_name = "django/forms/widgets/splithiddendatetime.html"
+
+    def __init__(
+        self,
+        attrs=None,
+        date_format=None,
+        time_format=None,
+        date_attrs=None,
+        time_attrs=None,
+    ):
+        super().__init__(attrs, date_format, time_format, date_attrs, time_attrs)
+        for widget in self.widgets:
+            widget.input_type = "hidden"
+
+
+class SelectDateWidget(Widget):
+    """
+    A widget that splits date input into three <select> boxes.
+
+    This also serves as an example of a Widget that has more than one HTML
+    element and hence implements value_from_datadict.
+    """
+
+    none_value = ("", "---")
+    month_field = "%s_month"
+    day_field = "%s_day"
+    year_field = "%s_year"
+    template_name = "django/forms/widgets/select_date.html"
+    input_type = "select"
+    select_widget = Select
+    date_re = _lazy_re_compile(r"(\d{4}|0)-(\d\d?)-(\d\d?)$")
+    use_fieldset = True
+
+    def __init__(self, attrs=None, years=None, months=None, empty_label=None):
+        self.attrs = attrs or {}
+
+        # Optional list or tuple of years to use in the "year" select box.
+        if years:
+            self.years = years
+        else:
+            this_year = datetime.date.today().year
+            self.years = range(this_year, this_year + 10)
+
+        # Optional dict of months to use in the "month" select box.
+        if months:
+            self.months = months
+        else:
+            self.months = MONTHS
+
+        # Optional string, list, or tuple to use as empty_label.
+        if isinstance(empty_label, (list, tuple)):
+            if not len(empty_label) == 3:
+                raise ValueError("empty_label list/tuple must have 3 elements.")
+
+            self.year_none_value = ("", empty_label[0])
+            self.month_none_value = ("", empty_label[1])
+            self.day_none_value = ("", empty_label[2])
+        else:
+            if empty_label is not None:
+                self.none_value = ("", empty_label)
+
+            self.year_none_value = self.none_value
+            self.month_none_value = self.none_value
+            self.day_none_value = self.none_value
+
+    def get_context(self, name, value, attrs):
+        context = super().get_context(name, value, attrs)
+        date_context = {}
+        year_choices = [(i, str(i)) for i in self.years]
+        if not self.is_required:
+            year_choices.insert(0, self.year_none_value)
+        year_name = self.year_field % name
+        date_context["year"] = self.select_widget(
+            attrs, choices=year_choices
+        ).get_context(
+            name=year_name,
+            value=context["widget"]["value"]["year"],
+            attrs={**context["widget"]["attrs"], "id": "id_%s" % year_name},
+        )
+        month_choices = list(self.months.items())
+        if not self.is_required:
+            month_choices.insert(0, self.month_none_value)
+        month_name = self.month_field % name
+        date_context["month"] = self.select_widget(
+            attrs, choices=month_choices
+        ).get_context(
+            name=month_name,
+            value=context["widget"]["value"]["month"],
+            attrs={**context["widget"]["attrs"], "id": "id_%s" % month_name},
+        )
+        day_choices = [(i, i) for i in range(1, 32)]
+        if not self.is_required:
+            day_choices.insert(0, self.day_none_value)
+        day_name = self.day_field % name
+        date_context["day"] = self.select_widget(
+            attrs,
+            choices=day_choices,
+        ).get_context(
+            name=day_name,
+            value=context["widget"]["value"]["day"],
+            attrs={**context["widget"]["attrs"], "id": "id_%s" % day_name},
+        )
+        subwidgets = []
+        for field in self._parse_date_fmt():
+            subwidgets.append(date_context[field]["widget"])
+        context["widget"]["subwidgets"] = subwidgets
+        return context
+
+    def format_value(self, value):
+        """
+        Return a dict containing the year, month, and day of the current value.
+        Use dict instead of a datetime to allow invalid dates such as February
+        31 to display correctly.
+        """
+        year, month, day = None, None, None
+        if isinstance(value, (datetime.date, datetime.datetime)):
+            year, month, day = value.year, value.month, value.day
+        elif isinstance(value, str):
+            match = self.date_re.match(value)
+            if match:
+                # Convert any zeros in the date to empty strings to match the
+                # empty option value.
+                year, month, day = [int(val) or "" for val in match.groups()]
+            else:
+                input_format = get_format("DATE_INPUT_FORMATS")[0]
+                try:
+                    d = datetime.datetime.strptime(value, input_format)
+                except ValueError:
+                    pass
+                else:
+                    year, month, day = d.year, d.month, d.day
+        return {"year": year, "month": month, "day": day}
+
+    @staticmethod
+    def _parse_date_fmt():
+        fmt = get_format("DATE_FORMAT")
+        escaped = False
+        for char in fmt:
+            if escaped:
+                escaped = False
+            elif char == "\\":
+                escaped = True
+            elif char in "Yy":
+                yield "year"
+            elif char in "bEFMmNn":
+                yield "month"
+            elif char in "dj":
+                yield "day"
+
+    def id_for_label(self, id_):
+        for first_select in self._parse_date_fmt():
+            return "%s_%s" % (id_, first_select)
+        return "%s_month" % id_
+
+    def value_from_datadict(self, data, files, name):
+        y = data.get(self.year_field % name)
+        m = data.get(self.month_field % name)
+        d = data.get(self.day_field % name)
+        if y == m == d == "":
+            return None
+        if y is not None and m is not None and d is not None:
+            input_format = get_format("DATE_INPUT_FORMATS")[0]
+            input_format = formats.sanitize_strftime_format(input_format)
+            try:
+                date_value = datetime.date(int(y), int(m), int(d))
+            except ValueError:
+                # Return pseudo-ISO dates with zeros for any unselected values,
+                # e.g. '2017-0-23'.
+                return "%s-%s-%s" % (y or 0, m or 0, d or 0)
+            except OverflowError:
+                return "0-0-0"
+            return date_value.strftime(input_format)
+        return data.get(name)
+
+    def value_omitted_from_data(self, data, files, name):
+        return not any(
+            ("{}_{}".format(name, interval) in data)
+            for interval in ("year", "month", "day")
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/http/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/__init__.py
new file mode 100644
index 00000000..628564ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/__init__.py
@@ -0,0 +1,52 @@
+from django.http.cookie import SimpleCookie, parse_cookie
+from django.http.request import (
+    HttpHeaders,
+    HttpRequest,
+    QueryDict,
+    RawPostDataException,
+    UnreadablePostError,
+)
+from django.http.response import (
+    BadHeaderError,
+    FileResponse,
+    Http404,
+    HttpResponse,
+    HttpResponseBadRequest,
+    HttpResponseBase,
+    HttpResponseForbidden,
+    HttpResponseGone,
+    HttpResponseNotAllowed,
+    HttpResponseNotFound,
+    HttpResponseNotModified,
+    HttpResponsePermanentRedirect,
+    HttpResponseRedirect,
+    HttpResponseServerError,
+    JsonResponse,
+    StreamingHttpResponse,
+)
+
+__all__ = [
+    "SimpleCookie",
+    "parse_cookie",
+    "HttpHeaders",
+    "HttpRequest",
+    "QueryDict",
+    "RawPostDataException",
+    "UnreadablePostError",
+    "HttpResponse",
+    "HttpResponseBase",
+    "StreamingHttpResponse",
+    "HttpResponseRedirect",
+    "HttpResponsePermanentRedirect",
+    "HttpResponseNotModified",
+    "HttpResponseBadRequest",
+    "HttpResponseForbidden",
+    "HttpResponseNotFound",
+    "HttpResponseNotAllowed",
+    "HttpResponseGone",
+    "HttpResponseServerError",
+    "Http404",
+    "BadHeaderError",
+    "JsonResponse",
+    "FileResponse",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/http/cookie.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/cookie.py
new file mode 100644
index 00000000..dce0cfdf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/cookie.py
@@ -0,0 +1,23 @@
+from http import cookies
+
+# For backwards compatibility in Django 2.1.
+SimpleCookie = cookies.SimpleCookie
+
+
+def parse_cookie(cookie):
+    """
+    Return a dictionary parsed from a `Cookie:` header string.
+    """
+    cookiedict = {}
+    for chunk in cookie.split(";"):
+        if "=" in chunk:
+            key, val = chunk.split("=", 1)
+        else:
+            # Assume an empty name per
+            # https://bugzilla.mozilla.org/show_bug.cgi?id=169091
+            key, val = "", chunk
+        key, val = key.strip(), val.strip()
+        if key or val:
+            # unquote using Python's algorithm.
+            cookiedict[key] = cookies._unquote(val)
+    return cookiedict
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/http/multipartparser.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/multipartparser.py
new file mode 100644
index 00000000..94e51166
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/multipartparser.py
@@ -0,0 +1,744 @@
+"""
+Multi-part parsing for file uploads.
+
+Exposes one class, ``MultiPartParser``, which feeds chunks of uploaded data to
+file upload handlers for processing.
+"""
+
+import base64
+import binascii
+import collections
+import html
+
+from django.conf import settings
+from django.core.exceptions import (
+    RequestDataTooBig,
+    SuspiciousMultipartForm,
+    TooManyFieldsSent,
+    TooManyFilesSent,
+)
+from django.core.files.uploadhandler import SkipFile, StopFutureHandlers, StopUpload
+from django.utils.datastructures import MultiValueDict
+from django.utils.encoding import force_str
+from django.utils.http import parse_header_parameters
+from django.utils.regex_helper import _lazy_re_compile
+
+__all__ = ("MultiPartParser", "MultiPartParserError", "InputStreamExhausted")
+
+
+class MultiPartParserError(Exception):
+    pass
+
+
+class InputStreamExhausted(Exception):
+    """
+    No more reads are allowed from this device.
+    """
+
+    pass
+
+
+RAW = "raw"
+FILE = "file"
+FIELD = "field"
+FIELD_TYPES = frozenset([FIELD, RAW])
+
+
+class MultiPartParser:
+    """
+    An RFC 7578 multipart/form-data parser.
+
+    ``MultiValueDict.parse()`` reads the input stream in ``chunk_size`` chunks
+    and returns a tuple of ``(MultiValueDict(POST), MultiValueDict(FILES))``.
+    """
+
+    boundary_re = _lazy_re_compile(r"[ -~]{0,200}[!-~]")
+
+    def __init__(self, META, input_data, upload_handlers, encoding=None):
+        """
+        Initialize the MultiPartParser object.
+
+        :META:
+            The standard ``META`` dictionary in Django request objects.
+        :input_data:
+            The raw post data, as a file-like object.
+        :upload_handlers:
+            A list of UploadHandler instances that perform operations on the
+            uploaded data.
+        :encoding:
+            The encoding with which to treat the incoming data.
+        """
+        # Content-Type should contain multipart and the boundary information.
+        content_type = META.get("CONTENT_TYPE", "")
+        if not content_type.startswith("multipart/"):
+            raise MultiPartParserError("Invalid Content-Type: %s" % content_type)
+
+        try:
+            content_type.encode("ascii")
+        except UnicodeEncodeError:
+            raise MultiPartParserError(
+                "Invalid non-ASCII Content-Type in multipart: %s"
+                % force_str(content_type)
+            )
+
+        # Parse the header to get the boundary to split the parts.
+        _, opts = parse_header_parameters(content_type)
+        boundary = opts.get("boundary")
+        if not boundary or not self.boundary_re.fullmatch(boundary):
+            raise MultiPartParserError(
+                "Invalid boundary in multipart: %s" % force_str(boundary)
+            )
+
+        # Content-Length should contain the length of the body we are about
+        # to receive.
+        try:
+            content_length = int(META.get("CONTENT_LENGTH", 0))
+        except (ValueError, TypeError):
+            content_length = 0
+
+        if content_length < 0:
+            # This means we shouldn't continue...raise an error.
+            raise MultiPartParserError("Invalid content length: %r" % content_length)
+
+        self._boundary = boundary.encode("ascii")
+        self._input_data = input_data
+
+        # For compatibility with low-level network APIs (with 32-bit integers),
+        # the chunk size should be < 2^31, but still divisible by 4.
+        possible_sizes = [x.chunk_size for x in upload_handlers if x.chunk_size]
+        self._chunk_size = min([2**31 - 4] + possible_sizes)
+
+        self._meta = META
+        self._encoding = encoding or settings.DEFAULT_CHARSET
+        self._content_length = content_length
+        self._upload_handlers = upload_handlers
+
+    def parse(self):
+        # Call the actual parse routine and close all open files in case of
+        # errors. This is needed because if exceptions are thrown the
+        # MultiPartParser will not be garbage collected immediately and
+        # resources would be kept alive. This is only needed for errors because
+        # the Request object closes all uploaded files at the end of the
+        # request.
+        try:
+            return self._parse()
+        except Exception:
+            if hasattr(self, "_files"):
+                for _, files in self._files.lists():
+                    for fileobj in files:
+                        fileobj.close()
+            raise
+
+    def _parse(self):
+        """
+        Parse the POST data and break it into a FILES MultiValueDict and a POST
+        MultiValueDict.
+
+        Return a tuple containing the POST and FILES dictionary, respectively.
+        """
+        from django.http import QueryDict
+
+        encoding = self._encoding
+        handlers = self._upload_handlers
+
+        # HTTP spec says that Content-Length >= 0 is valid
+        # handling content-length == 0 before continuing
+        if self._content_length == 0:
+            return QueryDict(encoding=self._encoding), MultiValueDict()
+
+        # See if any of the handlers take care of the parsing.
+        # This allows overriding everything if need be.
+        for handler in handlers:
+            result = handler.handle_raw_input(
+                self._input_data,
+                self._meta,
+                self._content_length,
+                self._boundary,
+                encoding,
+            )
+            # Check to see if it was handled
+            if result is not None:
+                return result[0], result[1]
+
+        # Create the data structures to be used later.
+        self._post = QueryDict(mutable=True)
+        self._files = MultiValueDict()
+
+        # Instantiate the parser and stream:
+        stream = LazyStream(ChunkIter(self._input_data, self._chunk_size))
+
+        # Whether or not to signal a file-completion at the beginning of the loop.
+        old_field_name = None
+        counters = [0] * len(handlers)
+
+        # Number of bytes that have been read.
+        num_bytes_read = 0
+        # To count the number of keys in the request.
+        num_post_keys = 0
+        # To count the number of files in the request.
+        num_files = 0
+        # To limit the amount of data read from the request.
+        read_size = None
+        # Whether a file upload is finished.
+        uploaded_file = True
+
+        try:
+            for item_type, meta_data, field_stream in Parser(stream, self._boundary):
+                if old_field_name:
+                    # We run this at the beginning of the next loop
+                    # since we cannot be sure a file is complete until
+                    # we hit the next boundary/part of the multipart content.
+                    self.handle_file_complete(old_field_name, counters)
+                    old_field_name = None
+                    uploaded_file = True
+
+                if (
+                    item_type in FIELD_TYPES
+                    and settings.DATA_UPLOAD_MAX_NUMBER_FIELDS is not None
+                ):
+                    # Avoid storing more than DATA_UPLOAD_MAX_NUMBER_FIELDS.
+                    num_post_keys += 1
+                    # 2 accounts for empty raw fields before and after the
+                    # last boundary.
+                    if settings.DATA_UPLOAD_MAX_NUMBER_FIELDS + 2 < num_post_keys:
+                        raise TooManyFieldsSent(
+                            "The number of GET/POST parameters exceeded "
+                            "settings.DATA_UPLOAD_MAX_NUMBER_FIELDS."
+                        )
+
+                try:
+                    disposition = meta_data["content-disposition"][1]
+                    field_name = disposition["name"].strip()
+                except (KeyError, IndexError, AttributeError):
+                    continue
+
+                transfer_encoding = meta_data.get("content-transfer-encoding")
+                if transfer_encoding is not None:
+                    transfer_encoding = transfer_encoding[0].strip()
+                field_name = force_str(field_name, encoding, errors="replace")
+
+                if item_type == FIELD:
+                    # Avoid reading more than DATA_UPLOAD_MAX_MEMORY_SIZE.
+                    if settings.DATA_UPLOAD_MAX_MEMORY_SIZE is not None:
+                        read_size = (
+                            settings.DATA_UPLOAD_MAX_MEMORY_SIZE - num_bytes_read
+                        )
+
+                    # This is a post field, we can just set it in the post
+                    if transfer_encoding == "base64":
+                        raw_data = field_stream.read(size=read_size)
+                        num_bytes_read += len(raw_data)
+                        try:
+                            data = base64.b64decode(raw_data)
+                        except binascii.Error:
+                            data = raw_data
+                    else:
+                        data = field_stream.read(size=read_size)
+                        num_bytes_read += len(data)
+
+                    # Add two here to make the check consistent with the
+                    # x-www-form-urlencoded check that includes '&='.
+                    num_bytes_read += len(field_name) + 2
+                    if (
+                        settings.DATA_UPLOAD_MAX_MEMORY_SIZE is not None
+                        and num_bytes_read > settings.DATA_UPLOAD_MAX_MEMORY_SIZE
+                    ):
+                        raise RequestDataTooBig(
+                            "Request body exceeded "
+                            "settings.DATA_UPLOAD_MAX_MEMORY_SIZE."
+                        )
+
+                    self._post.appendlist(
+                        field_name, force_str(data, encoding, errors="replace")
+                    )
+                elif item_type == FILE:
+                    # Avoid storing more than DATA_UPLOAD_MAX_NUMBER_FILES.
+                    num_files += 1
+                    if (
+                        settings.DATA_UPLOAD_MAX_NUMBER_FILES is not None
+                        and num_files > settings.DATA_UPLOAD_MAX_NUMBER_FILES
+                    ):
+                        raise TooManyFilesSent(
+                            "The number of files exceeded "
+                            "settings.DATA_UPLOAD_MAX_NUMBER_FILES."
+                        )
+                    # This is a file, use the handler...
+                    file_name = disposition.get("filename")
+                    if file_name:
+                        file_name = force_str(file_name, encoding, errors="replace")
+                        file_name = self.sanitize_file_name(file_name)
+                    if not file_name:
+                        continue
+
+                    content_type, content_type_extra = meta_data.get(
+                        "content-type", ("", {})
+                    )
+                    content_type = content_type.strip()
+                    charset = content_type_extra.get("charset")
+
+                    try:
+                        content_length = int(meta_data.get("content-length")[0])
+                    except (IndexError, TypeError, ValueError):
+                        content_length = None
+
+                    counters = [0] * len(handlers)
+                    uploaded_file = False
+                    try:
+                        for handler in handlers:
+                            try:
+                                handler.new_file(
+                                    field_name,
+                                    file_name,
+                                    content_type,
+                                    content_length,
+                                    charset,
+                                    content_type_extra,
+                                )
+                            except StopFutureHandlers:
+                                break
+
+                        for chunk in field_stream:
+                            if transfer_encoding == "base64":
+                                # We only special-case base64 transfer encoding
+                                # We should always decode base64 chunks by
+                                # multiple of 4, ignoring whitespace.
+
+                                stripped_chunk = b"".join(chunk.split())
+
+                                remaining = len(stripped_chunk) % 4
+                                while remaining != 0:
+                                    over_chunk = field_stream.read(4 - remaining)
+                                    if not over_chunk:
+                                        break
+                                    stripped_chunk += b"".join(over_chunk.split())
+                                    remaining = len(stripped_chunk) % 4
+
+                                try:
+                                    chunk = base64.b64decode(stripped_chunk)
+                                except Exception as exc:
+                                    # Since this is only a chunk, any error is
+                                    # an unfixable error.
+                                    raise MultiPartParserError(
+                                        "Could not decode base64 data."
+                                    ) from exc
+
+                            for i, handler in enumerate(handlers):
+                                chunk_length = len(chunk)
+                                chunk = handler.receive_data_chunk(chunk, counters[i])
+                                counters[i] += chunk_length
+                                if chunk is None:
+                                    # Don't continue if the chunk received by
+                                    # the handler is None.
+                                    break
+
+                    except SkipFile:
+                        self._close_files()
+                        # Just use up the rest of this file...
+                        exhaust(field_stream)
+                    else:
+                        # Handle file upload completions on next iteration.
+                        old_field_name = field_name
+                else:
+                    # If this is neither a FIELD nor a FILE, exhaust the field
+                    # stream. Note: There could be an error here at some point,
+                    # but there will be at least two RAW types (before and
+                    # after the other boundaries). This branch is usually not
+                    # reached at all, because a missing content-disposition
+                    # header will skip the whole boundary.
+                    exhaust(field_stream)
+        except StopUpload as e:
+            self._close_files()
+            if not e.connection_reset:
+                exhaust(self._input_data)
+        else:
+            if not uploaded_file:
+                for handler in handlers:
+                    handler.upload_interrupted()
+            # Make sure that the request data is all fed
+            exhaust(self._input_data)
+
+        # Signal that the upload has completed.
+        # any() shortcircuits if a handler's upload_complete() returns a value.
+        any(handler.upload_complete() for handler in handlers)
+        self._post._mutable = False
+        return self._post, self._files
+
+    def handle_file_complete(self, old_field_name, counters):
+        """
+        Handle all the signaling that takes place when a file is complete.
+        """
+        for i, handler in enumerate(self._upload_handlers):
+            file_obj = handler.file_complete(counters[i])
+            if file_obj:
+                # If it returns a file object, then set the files dict.
+                self._files.appendlist(
+                    force_str(old_field_name, self._encoding, errors="replace"),
+                    file_obj,
+                )
+                break
+
+    def sanitize_file_name(self, file_name):
+        """
+        Sanitize the filename of an upload.
+
+        Remove all possible path separators, even though that might remove more
+        than actually required by the target system. Filenames that could
+        potentially cause problems (current/parent dir) are also discarded.
+
+        It should be noted that this function could still return a "filepath"
+        like "C:some_file.txt" which is handled later on by the storage layer.
+        So while this function does sanitize filenames to some extent, the
+        resulting filename should still be considered as untrusted user input.
+        """
+        file_name = html.unescape(file_name)
+        file_name = file_name.rsplit("/")[-1]
+        file_name = file_name.rsplit("\\")[-1]
+        # Remove non-printable characters.
+        file_name = "".join([char for char in file_name if char.isprintable()])
+
+        if file_name in {"", ".", ".."}:
+            return None
+        return file_name
+
+    IE_sanitize = sanitize_file_name
+
+    def _close_files(self):
+        # Free up all file handles.
+        # FIXME: this currently assumes that upload handlers store the file as 'file'
+        # We should document that...
+        # (Maybe add handler.free_file to complement new_file)
+        for handler in self._upload_handlers:
+            if hasattr(handler, "file"):
+                handler.file.close()
+
+
+class LazyStream:
+    """
+    The LazyStream wrapper allows one to get and "unget" bytes from a stream.
+
+    Given a producer object (an iterator that yields bytestrings), the
+    LazyStream object will support iteration, reading, and keeping a "look-back"
+    variable in case you need to "unget" some bytes.
+    """
+
+    def __init__(self, producer, length=None):
+        """
+        Every LazyStream must have a producer when instantiated.
+
+        A producer is an iterable that returns a string each time it
+        is called.
+        """
+        self._producer = producer
+        self._empty = False
+        self._leftover = b""
+        self.length = length
+        self.position = 0
+        self._remaining = length
+        self._unget_history = []
+
+    def tell(self):
+        return self.position
+
+    def read(self, size=None):
+        def parts():
+            remaining = self._remaining if size is None else size
+            # do the whole thing in one shot if no limit was provided.
+            if remaining is None:
+                yield b"".join(self)
+                return
+
+            # otherwise do some bookkeeping to return exactly enough
+            # of the stream and stashing any extra content we get from
+            # the producer
+            while remaining != 0:
+                assert remaining > 0, "remaining bytes to read should never go negative"
+
+                try:
+                    chunk = next(self)
+                except StopIteration:
+                    return
+                else:
+                    emitting = chunk[:remaining]
+                    self.unget(chunk[remaining:])
+                    remaining -= len(emitting)
+                    yield emitting
+
+        return b"".join(parts())
+
+    def __next__(self):
+        """
+        Used when the exact number of bytes to read is unimportant.
+
+        Return whatever chunk is conveniently returned from the iterator.
+        Useful to avoid unnecessary bookkeeping if performance is an issue.
+        """
+        if self._leftover:
+            output = self._leftover
+            self._leftover = b""
+        else:
+            output = next(self._producer)
+            self._unget_history = []
+        self.position += len(output)
+        return output
+
+    def close(self):
+        """
+        Used to invalidate/disable this lazy stream.
+
+        Replace the producer with an empty list. Any leftover bytes that have
+        already been read will still be reported upon read() and/or next().
+        """
+        self._producer = []
+
+    def __iter__(self):
+        return self
+
+    def unget(self, bytes):
+        """
+        Place bytes back onto the front of the lazy stream.
+
+        Future calls to read() will return those bytes first. The
+        stream position and thus tell() will be rewound.
+        """
+        if not bytes:
+            return
+        self._update_unget_history(len(bytes))
+        self.position -= len(bytes)
+        self._leftover = bytes + self._leftover
+
+    def _update_unget_history(self, num_bytes):
+        """
+        Update the unget history as a sanity check to see if we've pushed
+        back the same number of bytes in one chunk. If we keep ungetting the
+        same number of bytes many times (here, 50), we're mostly likely in an
+        infinite loop of some sort. This is usually caused by a
+        maliciously-malformed MIME request.
+        """
+        self._unget_history = [num_bytes] + self._unget_history[:49]
+        number_equal = len(
+            [
+                current_number
+                for current_number in self._unget_history
+                if current_number == num_bytes
+            ]
+        )
+
+        if number_equal > 40:
+            raise SuspiciousMultipartForm(
+                "The multipart parser got stuck, which shouldn't happen with"
+                " normal uploaded files. Check for malicious upload activity;"
+                " if there is none, report this to the Django developers."
+            )
+
+
+class ChunkIter:
+    """
+    An iterable that will yield chunks of data. Given a file-like object as the
+    constructor, yield chunks of read operations from that object.
+    """
+
+    def __init__(self, flo, chunk_size=64 * 1024):
+        self.flo = flo
+        self.chunk_size = chunk_size
+
+    def __next__(self):
+        try:
+            data = self.flo.read(self.chunk_size)
+        except InputStreamExhausted:
+            raise StopIteration()
+        if data:
+            return data
+        else:
+            raise StopIteration()
+
+    def __iter__(self):
+        return self
+
+
+class InterBoundaryIter:
+    """
+    A Producer that will iterate over boundaries.
+    """
+
+    def __init__(self, stream, boundary):
+        self._stream = stream
+        self._boundary = boundary
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        try:
+            return LazyStream(BoundaryIter(self._stream, self._boundary))
+        except InputStreamExhausted:
+            raise StopIteration()
+
+
+class BoundaryIter:
+    """
+    A Producer that is sensitive to boundaries.
+
+    Will happily yield bytes until a boundary is found. Will yield the bytes
+    before the boundary, throw away the boundary bytes themselves, and push the
+    post-boundary bytes back on the stream.
+
+    The future calls to next() after locating the boundary will raise a
+    StopIteration exception.
+    """
+
+    def __init__(self, stream, boundary):
+        self._stream = stream
+        self._boundary = boundary
+        self._done = False
+        # rollback an additional six bytes because the format is like
+        # this: CRLF<boundary>[--CRLF]
+        self._rollback = len(boundary) + 6
+
+        # Try to use mx fast string search if available. Otherwise
+        # use Python find. Wrap the latter for consistency.
+        unused_char = self._stream.read(1)
+        if not unused_char:
+            raise InputStreamExhausted()
+        self._stream.unget(unused_char)
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self._done:
+            raise StopIteration()
+
+        stream = self._stream
+        rollback = self._rollback
+
+        bytes_read = 0
+        chunks = []
+        for bytes in stream:
+            bytes_read += len(bytes)
+            chunks.append(bytes)
+            if bytes_read > rollback:
+                break
+            if not bytes:
+                break
+        else:
+            self._done = True
+
+        if not chunks:
+            raise StopIteration()
+
+        chunk = b"".join(chunks)
+        boundary = self._find_boundary(chunk)
+
+        if boundary:
+            end, next = boundary
+            stream.unget(chunk[next:])
+            self._done = True
+            return chunk[:end]
+        else:
+            # make sure we don't treat a partial boundary (and
+            # its separators) as data
+            if not chunk[:-rollback]:  # and len(chunk) >= (len(self._boundary) + 6):
+                # There's nothing left, we should just return and mark as done.
+                self._done = True
+                return chunk
+            else:
+                stream.unget(chunk[-rollback:])
+                return chunk[:-rollback]
+
+    def _find_boundary(self, data):
+        """
+        Find a multipart boundary in data.
+
+        Should no boundary exist in the data, return None. Otherwise, return
+        a tuple containing the indices of the following:
+         * the end of current encapsulation
+         * the start of the next encapsulation
+        """
+        index = data.find(self._boundary)
+        if index < 0:
+            return None
+        else:
+            end = index
+            next = index + len(self._boundary)
+            # backup over CRLF
+            last = max(0, end - 1)
+            if data[last : last + 1] == b"\n":
+                end -= 1
+            last = max(0, end - 1)
+            if data[last : last + 1] == b"\r":
+                end -= 1
+            return end, next
+
+
+def exhaust(stream_or_iterable):
+    """Exhaust an iterator or stream."""
+    try:
+        iterator = iter(stream_or_iterable)
+    except TypeError:
+        iterator = ChunkIter(stream_or_iterable, 16384)
+    collections.deque(iterator, maxlen=0)  # consume iterator quickly.
+
+
+def parse_boundary_stream(stream, max_header_size):
+    """
+    Parse one and exactly one stream that encapsulates a boundary.
+    """
+    # Stream at beginning of header, look for end of header
+    # and parse it if found. The header must fit within one
+    # chunk.
+    chunk = stream.read(max_header_size)
+
+    # 'find' returns the top of these four bytes, so we'll
+    # need to munch them later to prevent them from polluting
+    # the payload.
+    header_end = chunk.find(b"\r\n\r\n")
+
+    if header_end == -1:
+        # we find no header, so we just mark this fact and pass on
+        # the stream verbatim
+        stream.unget(chunk)
+        return (RAW, {}, stream)
+
+    header = chunk[:header_end]
+
+    # here we place any excess chunk back onto the stream, as
+    # well as throwing away the CRLFCRLF bytes from above.
+    stream.unget(chunk[header_end + 4 :])
+
+    TYPE = RAW
+    outdict = {}
+
+    # Eliminate blank lines
+    for line in header.split(b"\r\n"):
+        # This terminology ("main value" and "dictionary of
+        # parameters") is from the Python docs.
+        try:
+            main_value_pair, params = parse_header_parameters(line.decode())
+            name, value = main_value_pair.split(":", 1)
+            params = {k: v.encode() for k, v in params.items()}
+        except ValueError:  # Invalid header.
+            continue
+
+        if name == "content-disposition":
+            TYPE = FIELD
+            if params.get("filename"):
+                TYPE = FILE
+
+        outdict[name] = value, params
+
+    if TYPE == RAW:
+        stream.unget(chunk)
+
+    return (TYPE, outdict, stream)
+
+
+class Parser:
+    def __init__(self, stream, boundary):
+        self._stream = stream
+        self._separator = b"--" + boundary
+
+    def __iter__(self):
+        boundarystream = InterBoundaryIter(self._stream, self._separator)
+        for sub_stream in boundarystream:
+            # Iterate over each part
+            yield parse_boundary_stream(sub_stream, 1024)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/http/request.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/request.py
new file mode 100644
index 00000000..4c27d576
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/request.py
@@ -0,0 +1,738 @@
+import codecs
+import copy
+from io import BytesIO
+from itertools import chain
+from urllib.parse import parse_qsl, quote, urlencode, urljoin, urlsplit
+
+from django.conf import settings
+from django.core import signing
+from django.core.exceptions import (
+    BadRequest,
+    DisallowedHost,
+    ImproperlyConfigured,
+    RequestDataTooBig,
+    TooManyFieldsSent,
+)
+from django.core.files import uploadhandler
+from django.http.multipartparser import (
+    MultiPartParser,
+    MultiPartParserError,
+    TooManyFilesSent,
+)
+from django.utils.datastructures import (
+    CaseInsensitiveMapping,
+    ImmutableList,
+    MultiValueDict,
+)
+from django.utils.encoding import escape_uri_path, iri_to_uri
+from django.utils.functional import cached_property
+from django.utils.http import is_same_domain, parse_header_parameters
+from django.utils.regex_helper import _lazy_re_compile
+
+RAISE_ERROR = object()
+host_validation_re = _lazy_re_compile(
+    r"^([a-z0-9.-]+|\[[a-f0-9]*:[a-f0-9.:]+\])(?::([0-9]+))?$"
+)
+
+
+class UnreadablePostError(OSError):
+    pass
+
+
+class RawPostDataException(Exception):
+    """
+    You cannot access raw_post_data from a request that has
+    multipart/* POST data if it has been accessed via POST,
+    FILES, etc..
+    """
+
+    pass
+
+
+class HttpRequest:
+    """A basic HTTP request."""
+
+    # The encoding used in GET/POST dicts. None means use default setting.
+    _encoding = None
+    _upload_handlers = []
+
+    def __init__(self):
+        # WARNING: The `WSGIRequest` subclass doesn't call `super`.
+        # Any variable assignment made here should also happen in
+        # `WSGIRequest.__init__()`.
+
+        self.GET = QueryDict(mutable=True)
+        self.POST = QueryDict(mutable=True)
+        self.COOKIES = {}
+        self.META = {}
+        self.FILES = MultiValueDict()
+
+        self.path = ""
+        self.path_info = ""
+        self.method = None
+        self.resolver_match = None
+        self.content_type = None
+        self.content_params = None
+
+    def __repr__(self):
+        if self.method is None or not self.get_full_path():
+            return "<%s>" % self.__class__.__name__
+        return "<%s: %s %r>" % (
+            self.__class__.__name__,
+            self.method,
+            self.get_full_path(),
+        )
+
+    @cached_property
+    def headers(self):
+        return HttpHeaders(self.META)
+
+    @cached_property
+    def accepted_types(self):
+        """Return a list of MediaType instances."""
+        return parse_accept_header(self.headers.get("Accept", "*/*"))
+
+    def accepts(self, media_type):
+        return any(
+            accepted_type.match(media_type) for accepted_type in self.accepted_types
+        )
+
+    def _set_content_type_params(self, meta):
+        """Set content_type, content_params, and encoding."""
+        self.content_type, self.content_params = parse_header_parameters(
+            meta.get("CONTENT_TYPE", "")
+        )
+        if "charset" in self.content_params:
+            try:
+                codecs.lookup(self.content_params["charset"])
+            except LookupError:
+                pass
+            else:
+                self.encoding = self.content_params["charset"]
+
+    def _get_raw_host(self):
+        """
+        Return the HTTP host using the environment or request headers. Skip
+        allowed hosts protection, so may return an insecure host.
+        """
+        # We try three options, in order of decreasing preference.
+        if settings.USE_X_FORWARDED_HOST and ("HTTP_X_FORWARDED_HOST" in self.META):
+            host = self.META["HTTP_X_FORWARDED_HOST"]
+        elif "HTTP_HOST" in self.META:
+            host = self.META["HTTP_HOST"]
+        else:
+            # Reconstruct the host using the algorithm from PEP 333.
+            host = self.META["SERVER_NAME"]
+            server_port = self.get_port()
+            if server_port != ("443" if self.is_secure() else "80"):
+                host = "%s:%s" % (host, server_port)
+        return host
+
+    def get_host(self):
+        """Return the HTTP host using the environment or request headers."""
+        host = self._get_raw_host()
+
+        # Allow variants of localhost if ALLOWED_HOSTS is empty and DEBUG=True.
+        allowed_hosts = settings.ALLOWED_HOSTS
+        if settings.DEBUG and not allowed_hosts:
+            allowed_hosts = [".localhost", "127.0.0.1", "[::1]"]
+
+        domain, port = split_domain_port(host)
+        if domain and validate_host(domain, allowed_hosts):
+            return host
+        else:
+            msg = "Invalid HTTP_HOST header: %r." % host
+            if domain:
+                msg += " You may need to add %r to ALLOWED_HOSTS." % domain
+            else:
+                msg += (
+                    " The domain name provided is not valid according to RFC 1034/1035."
+                )
+            raise DisallowedHost(msg)
+
+    def get_port(self):
+        """Return the port number for the request as a string."""
+        if settings.USE_X_FORWARDED_PORT and "HTTP_X_FORWARDED_PORT" in self.META:
+            port = self.META["HTTP_X_FORWARDED_PORT"]
+        else:
+            port = self.META["SERVER_PORT"]
+        return str(port)
+
+    def get_full_path(self, force_append_slash=False):
+        return self._get_full_path(self.path, force_append_slash)
+
+    def get_full_path_info(self, force_append_slash=False):
+        return self._get_full_path(self.path_info, force_append_slash)
+
+    def _get_full_path(self, path, force_append_slash):
+        # RFC 3986 requires query string arguments to be in the ASCII range.
+        # Rather than crash if this doesn't happen, we encode defensively.
+        return "%s%s%s" % (
+            escape_uri_path(path),
+            "/" if force_append_slash and not path.endswith("/") else "",
+            (
+                ("?" + iri_to_uri(self.META.get("QUERY_STRING", "")))
+                if self.META.get("QUERY_STRING", "")
+                else ""
+            ),
+        )
+
+    def get_signed_cookie(self, key, default=RAISE_ERROR, salt="", max_age=None):
+        """
+        Attempt to return a signed cookie. If the signature fails or the
+        cookie has expired, raise an exception, unless the `default` argument
+        is provided,  in which case return that value.
+        """
+        try:
+            cookie_value = self.COOKIES[key]
+        except KeyError:
+            if default is not RAISE_ERROR:
+                return default
+            else:
+                raise
+        try:
+            value = signing.get_cookie_signer(salt=key + salt).unsign(
+                cookie_value, max_age=max_age
+            )
+        except signing.BadSignature:
+            if default is not RAISE_ERROR:
+                return default
+            else:
+                raise
+        return value
+
+    def build_absolute_uri(self, location=None):
+        """
+        Build an absolute URI from the location and the variables available in
+        this request. If no ``location`` is specified, build the absolute URI
+        using request.get_full_path(). If the location is absolute, convert it
+        to an RFC 3987 compliant URI and return it. If location is relative or
+        is scheme-relative (i.e., ``//example.com/``), urljoin() it to a base
+        URL constructed from the request variables.
+        """
+        if location is None:
+            # Make it an absolute url (but schemeless and domainless) for the
+            # edge case that the path starts with '//'.
+            location = "//%s" % self.get_full_path()
+        else:
+            # Coerce lazy locations.
+            location = str(location)
+        bits = urlsplit(location)
+        if not (bits.scheme and bits.netloc):
+            # Handle the simple, most common case. If the location is absolute
+            # and a scheme or host (netloc) isn't provided, skip an expensive
+            # urljoin() as long as no path segments are '.' or '..'.
+            if (
+                bits.path.startswith("/")
+                and not bits.scheme
+                and not bits.netloc
+                and "/./" not in bits.path
+                and "/../" not in bits.path
+            ):
+                # If location starts with '//' but has no netloc, reuse the
+                # schema and netloc from the current request. Strip the double
+                # slashes and continue as if it wasn't specified.
+                location = self._current_scheme_host + location.removeprefix("//")
+            else:
+                # Join the constructed URL with the provided location, which
+                # allows the provided location to apply query strings to the
+                # base path.
+                location = urljoin(self._current_scheme_host + self.path, location)
+        return iri_to_uri(location)
+
+    @cached_property
+    def _current_scheme_host(self):
+        return "{}://{}".format(self.scheme, self.get_host())
+
+    def _get_scheme(self):
+        """
+        Hook for subclasses like WSGIRequest to implement. Return 'http' by
+        default.
+        """
+        return "http"
+
+    @property
+    def scheme(self):
+        if settings.SECURE_PROXY_SSL_HEADER:
+            try:
+                header, secure_value = settings.SECURE_PROXY_SSL_HEADER
+            except ValueError:
+                raise ImproperlyConfigured(
+                    "The SECURE_PROXY_SSL_HEADER setting must be a tuple containing "
+                    "two values."
+                )
+            header_value = self.META.get(header)
+            if header_value is not None:
+                header_value, *_ = header_value.split(",", 1)
+                return "https" if header_value.strip() == secure_value else "http"
+        return self._get_scheme()
+
+    def is_secure(self):
+        return self.scheme == "https"
+
+    @property
+    def encoding(self):
+        return self._encoding
+
+    @encoding.setter
+    def encoding(self, val):
+        """
+        Set the encoding used for GET/POST accesses. If the GET or POST
+        dictionary has already been created, remove and recreate it on the
+        next access (so that it is decoded correctly).
+        """
+        self._encoding = val
+        if hasattr(self, "GET"):
+            del self.GET
+        if hasattr(self, "_post"):
+            del self._post
+
+    def _initialize_handlers(self):
+        self._upload_handlers = [
+            uploadhandler.load_handler(handler, self)
+            for handler in settings.FILE_UPLOAD_HANDLERS
+        ]
+
+    @property
+    def upload_handlers(self):
+        if not self._upload_handlers:
+            # If there are no upload handlers defined, initialize them from settings.
+            self._initialize_handlers()
+        return self._upload_handlers
+
+    @upload_handlers.setter
+    def upload_handlers(self, upload_handlers):
+        if hasattr(self, "_files"):
+            raise AttributeError(
+                "You cannot set the upload handlers after the upload has been "
+                "processed."
+            )
+        self._upload_handlers = upload_handlers
+
+    def parse_file_upload(self, META, post_data):
+        """Return a tuple of (POST QueryDict, FILES MultiValueDict)."""
+        self.upload_handlers = ImmutableList(
+            self.upload_handlers,
+            warning=(
+                "You cannot alter upload handlers after the upload has been "
+                "processed."
+            ),
+        )
+        parser = MultiPartParser(META, post_data, self.upload_handlers, self.encoding)
+        return parser.parse()
+
+    @property
+    def body(self):
+        if not hasattr(self, "_body"):
+            if self._read_started:
+                raise RawPostDataException(
+                    "You cannot access body after reading from request's data stream"
+                )
+
+            # Limit the maximum request data size that will be handled in-memory.
+            if (
+                settings.DATA_UPLOAD_MAX_MEMORY_SIZE is not None
+                and int(self.META.get("CONTENT_LENGTH") or 0)
+                > settings.DATA_UPLOAD_MAX_MEMORY_SIZE
+            ):
+                raise RequestDataTooBig(
+                    "Request body exceeded settings.DATA_UPLOAD_MAX_MEMORY_SIZE."
+                )
+
+            try:
+                self._body = self.read()
+            except OSError as e:
+                raise UnreadablePostError(*e.args) from e
+            finally:
+                self._stream.close()
+            self._stream = BytesIO(self._body)
+        return self._body
+
+    def _mark_post_parse_error(self):
+        self._post = QueryDict()
+        self._files = MultiValueDict()
+
+    def _load_post_and_files(self):
+        """Populate self._post and self._files if the content-type is a form type"""
+        if self.method != "POST":
+            self._post, self._files = (
+                QueryDict(encoding=self._encoding),
+                MultiValueDict(),
+            )
+            return
+        if self._read_started and not hasattr(self, "_body"):
+            self._mark_post_parse_error()
+            return
+
+        if self.content_type == "multipart/form-data":
+            if hasattr(self, "_body"):
+                # Use already read data
+                data = BytesIO(self._body)
+            else:
+                data = self
+            try:
+                self._post, self._files = self.parse_file_upload(self.META, data)
+            except (MultiPartParserError, TooManyFilesSent):
+                # An error occurred while parsing POST data. Since when
+                # formatting the error the request handler might access
+                # self.POST, set self._post and self._file to prevent
+                # attempts to parse POST data again.
+                self._mark_post_parse_error()
+                raise
+        elif self.content_type == "application/x-www-form-urlencoded":
+            # According to RFC 1866, the "application/x-www-form-urlencoded"
+            # content type does not have a charset and should be always treated
+            # as UTF-8.
+            if self._encoding is not None and self._encoding.lower() != "utf-8":
+                raise BadRequest(
+                    "HTTP requests with the 'application/x-www-form-urlencoded' "
+                    "content type must be UTF-8 encoded."
+                )
+            self._post = QueryDict(self.body, encoding="utf-8")
+            self._files = MultiValueDict()
+        else:
+            self._post, self._files = (
+                QueryDict(encoding=self._encoding),
+                MultiValueDict(),
+            )
+
+    def close(self):
+        if hasattr(self, "_files"):
+            for f in chain.from_iterable(list_[1] for list_ in self._files.lists()):
+                f.close()
+
+    # File-like and iterator interface.
+    #
+    # Expects self._stream to be set to an appropriate source of bytes by
+    # a corresponding request subclass (e.g. WSGIRequest).
+    # Also when request data has already been read by request.POST or
+    # request.body, self._stream points to a BytesIO instance
+    # containing that data.
+
+    def read(self, *args, **kwargs):
+        self._read_started = True
+        try:
+            return self._stream.read(*args, **kwargs)
+        except OSError as e:
+            raise UnreadablePostError(*e.args) from e
+
+    def readline(self, *args, **kwargs):
+        self._read_started = True
+        try:
+            return self._stream.readline(*args, **kwargs)
+        except OSError as e:
+            raise UnreadablePostError(*e.args) from e
+
+    def __iter__(self):
+        return iter(self.readline, b"")
+
+    def readlines(self):
+        return list(self)
+
+
+class HttpHeaders(CaseInsensitiveMapping):
+    HTTP_PREFIX = "HTTP_"
+    # PEP 333 gives two headers which aren't prepended with HTTP_.
+    UNPREFIXED_HEADERS = {"CONTENT_TYPE", "CONTENT_LENGTH"}
+
+    def __init__(self, environ):
+        headers = {}
+        for header, value in environ.items():
+            name = self.parse_header_name(header)
+            if name:
+                headers[name] = value
+        super().__init__(headers)
+
+    def __getitem__(self, key):
+        """Allow header lookup using underscores in place of hyphens."""
+        return super().__getitem__(key.replace("_", "-"))
+
+    @classmethod
+    def parse_header_name(cls, header):
+        if header.startswith(cls.HTTP_PREFIX):
+            header = header.removeprefix(cls.HTTP_PREFIX)
+        elif header not in cls.UNPREFIXED_HEADERS:
+            return None
+        return header.replace("_", "-").title()
+
+    @classmethod
+    def to_wsgi_name(cls, header):
+        header = header.replace("-", "_").upper()
+        if header in cls.UNPREFIXED_HEADERS:
+            return header
+        return f"{cls.HTTP_PREFIX}{header}"
+
+    @classmethod
+    def to_asgi_name(cls, header):
+        return header.replace("-", "_").upper()
+
+    @classmethod
+    def to_wsgi_names(cls, headers):
+        return {
+            cls.to_wsgi_name(header_name): value
+            for header_name, value in headers.items()
+        }
+
+    @classmethod
+    def to_asgi_names(cls, headers):
+        return {
+            cls.to_asgi_name(header_name): value
+            for header_name, value in headers.items()
+        }
+
+
+class QueryDict(MultiValueDict):
+    """
+    A specialized MultiValueDict which represents a query string.
+
+    A QueryDict can be used to represent GET or POST data. It subclasses
+    MultiValueDict since keys in such data can be repeated, for instance
+    in the data from a form with a <select multiple> field.
+
+    By default QueryDicts are immutable, though the copy() method
+    will always return a mutable copy.
+
+    Both keys and values set on this class are converted from the given encoding
+    (DEFAULT_CHARSET by default) to str.
+    """
+
+    # These are both reset in __init__, but is specified here at the class
+    # level so that unpickling will have valid values
+    _mutable = True
+    _encoding = None
+
+    def __init__(self, query_string=None, mutable=False, encoding=None):
+        super().__init__()
+        self.encoding = encoding or settings.DEFAULT_CHARSET
+        query_string = query_string or ""
+        parse_qsl_kwargs = {
+            "keep_blank_values": True,
+            "encoding": self.encoding,
+            "max_num_fields": settings.DATA_UPLOAD_MAX_NUMBER_FIELDS,
+        }
+        if isinstance(query_string, bytes):
+            # query_string normally contains URL-encoded data, a subset of ASCII.
+            try:
+                query_string = query_string.decode(self.encoding)
+            except UnicodeDecodeError:
+                # ... but some user agents are misbehaving :-(
+                query_string = query_string.decode("iso-8859-1")
+        try:
+            for key, value in parse_qsl(query_string, **parse_qsl_kwargs):
+                self.appendlist(key, value)
+        except ValueError as e:
+            # ValueError can also be raised if the strict_parsing argument to
+            # parse_qsl() is True. As that is not used by Django, assume that
+            # the exception was raised by exceeding the value of max_num_fields
+            # instead of fragile checks of exception message strings.
+            raise TooManyFieldsSent(
+                "The number of GET/POST parameters exceeded "
+                "settings.DATA_UPLOAD_MAX_NUMBER_FIELDS."
+            ) from e
+        self._mutable = mutable
+
+    @classmethod
+    def fromkeys(cls, iterable, value="", mutable=False, encoding=None):
+        """
+        Return a new QueryDict with keys (may be repeated) from an iterable and
+        values from value.
+        """
+        q = cls("", mutable=True, encoding=encoding)
+        for key in iterable:
+            q.appendlist(key, value)
+        if not mutable:
+            q._mutable = False
+        return q
+
+    @property
+    def encoding(self):
+        if self._encoding is None:
+            self._encoding = settings.DEFAULT_CHARSET
+        return self._encoding
+
+    @encoding.setter
+    def encoding(self, value):
+        self._encoding = value
+
+    def _assert_mutable(self):
+        if not self._mutable:
+            raise AttributeError("This QueryDict instance is immutable")
+
+    def __setitem__(self, key, value):
+        self._assert_mutable()
+        key = bytes_to_text(key, self.encoding)
+        value = bytes_to_text(value, self.encoding)
+        super().__setitem__(key, value)
+
+    def __delitem__(self, key):
+        self._assert_mutable()
+        super().__delitem__(key)
+
+    def __copy__(self):
+        result = self.__class__("", mutable=True, encoding=self.encoding)
+        for key, value in self.lists():
+            result.setlist(key, value)
+        return result
+
+    def __deepcopy__(self, memo):
+        result = self.__class__("", mutable=True, encoding=self.encoding)
+        memo[id(self)] = result
+        for key, value in self.lists():
+            result.setlist(copy.deepcopy(key, memo), copy.deepcopy(value, memo))
+        return result
+
+    def setlist(self, key, list_):
+        self._assert_mutable()
+        key = bytes_to_text(key, self.encoding)
+        list_ = [bytes_to_text(elt, self.encoding) for elt in list_]
+        super().setlist(key, list_)
+
+    def setlistdefault(self, key, default_list=None):
+        self._assert_mutable()
+        return super().setlistdefault(key, default_list)
+
+    def appendlist(self, key, value):
+        self._assert_mutable()
+        key = bytes_to_text(key, self.encoding)
+        value = bytes_to_text(value, self.encoding)
+        super().appendlist(key, value)
+
+    def pop(self, key, *args):
+        self._assert_mutable()
+        return super().pop(key, *args)
+
+    def popitem(self):
+        self._assert_mutable()
+        return super().popitem()
+
+    def clear(self):
+        self._assert_mutable()
+        super().clear()
+
+    def setdefault(self, key, default=None):
+        self._assert_mutable()
+        key = bytes_to_text(key, self.encoding)
+        default = bytes_to_text(default, self.encoding)
+        return super().setdefault(key, default)
+
+    def copy(self):
+        """Return a mutable copy of this object."""
+        return self.__deepcopy__({})
+
+    def urlencode(self, safe=None):
+        """
+        Return an encoded string of all query string arguments.
+
+        `safe` specifies characters which don't require quoting, for example::
+
+            >>> q = QueryDict(mutable=True)
+            >>> q['next'] = '/a&b/'
+            >>> q.urlencode()
+            'next=%2Fa%26b%2F'
+            >>> q.urlencode(safe='/')
+            'next=/a%26b/'
+        """
+        output = []
+        if safe:
+            safe = safe.encode(self.encoding)
+
+            def encode(k, v):
+                return "%s=%s" % ((quote(k, safe), quote(v, safe)))
+
+        else:
+
+            def encode(k, v):
+                return urlencode({k: v})
+
+        for k, list_ in self.lists():
+            output.extend(
+                encode(k.encode(self.encoding), str(v).encode(self.encoding))
+                for v in list_
+            )
+        return "&".join(output)
+
+
+class MediaType:
+    def __init__(self, media_type_raw_line):
+        full_type, self.params = parse_header_parameters(
+            media_type_raw_line if media_type_raw_line else ""
+        )
+        self.main_type, _, self.sub_type = full_type.partition("/")
+
+    def __str__(self):
+        params_str = "".join("; %s=%s" % (k, v) for k, v in self.params.items())
+        return "%s%s%s" % (
+            self.main_type,
+            ("/%s" % self.sub_type) if self.sub_type else "",
+            params_str,
+        )
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__qualname__, self)
+
+    @property
+    def is_all_types(self):
+        return self.main_type == "*" and self.sub_type == "*"
+
+    def match(self, other):
+        if self.is_all_types:
+            return True
+        other = MediaType(other)
+        if self.main_type == other.main_type and self.sub_type in {"*", other.sub_type}:
+            return True
+        return False
+
+
+# It's neither necessary nor appropriate to use
+# django.utils.encoding.force_str() for parsing URLs and form inputs. Thus,
+# this slightly more restricted function, used by QueryDict.
+def bytes_to_text(s, encoding):
+    """
+    Convert bytes objects to strings, using the given encoding. Illegally
+    encoded input characters are replaced with Unicode "unknown" codepoint
+    (\ufffd).
+
+    Return any non-bytes objects without change.
+    """
+    if isinstance(s, bytes):
+        return str(s, encoding, "replace")
+    else:
+        return s
+
+
+def split_domain_port(host):
+    """
+    Return a (domain, port) tuple from a given host.
+
+    Returned domain is lowercased. If the host is invalid, the domain will be
+    empty.
+    """
+    if match := host_validation_re.fullmatch(host.lower()):
+        domain, port = match.groups(default="")
+        # Remove a trailing dot (if present) from the domain.
+        return domain.removesuffix("."), port
+    return "", ""
+
+
+def validate_host(host, allowed_hosts):
+    """
+    Validate the given host for this site.
+
+    Check that the host looks valid and matches a host or host pattern in the
+    given list of ``allowed_hosts``. Any pattern beginning with a period
+    matches a domain and all its subdomains (e.g. ``.example.com`` matches
+    ``example.com`` and any subdomain), ``*`` matches anything, and anything
+    else must match exactly.
+
+    Note: This function assumes that the given host is lowercased and has
+    already had the port, if any, stripped off.
+
+    Return ``True`` for a valid host, ``False`` otherwise.
+    """
+    return any(
+        pattern == "*" or is_same_domain(host, pattern) for pattern in allowed_hosts
+    )
+
+
+def parse_accept_header(header):
+    return [MediaType(token) for token in header.split(",") if token.strip()]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/http/response.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/response.py
new file mode 100644
index 00000000..eecd972c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/http/response.py
@@ -0,0 +1,734 @@
+import datetime
+import io
+import json
+import mimetypes
+import os
+import re
+import sys
+import time
+import warnings
+from email.header import Header
+from http.client import responses
+from urllib.parse import urlparse
+
+from asgiref.sync import async_to_sync, sync_to_async
+
+from django.conf import settings
+from django.core import signals, signing
+from django.core.exceptions import DisallowedRedirect
+from django.core.serializers.json import DjangoJSONEncoder
+from django.http.cookie import SimpleCookie
+from django.utils import timezone
+from django.utils.datastructures import CaseInsensitiveMapping
+from django.utils.encoding import iri_to_uri
+from django.utils.http import content_disposition_header, http_date
+from django.utils.regex_helper import _lazy_re_compile
+
+_charset_from_content_type_re = _lazy_re_compile(
+    r";\s*charset=(?P<charset>[^\s;]+)", re.I
+)
+
+
+class ResponseHeaders(CaseInsensitiveMapping):
+    def __init__(self, data):
+        """
+        Populate the initial data using __setitem__ to ensure values are
+        correctly encoded.
+        """
+        self._store = {}
+        if data:
+            for header, value in self._unpack_items(data):
+                self[header] = value
+
+    def _convert_to_charset(self, value, charset, mime_encode=False):
+        """
+        Convert headers key/value to ascii/latin-1 native strings.
+        `charset` must be 'ascii' or 'latin-1'. If `mime_encode` is True and
+        `value` can't be represented in the given charset, apply MIME-encoding.
+        """
+        try:
+            if isinstance(value, str):
+                # Ensure string is valid in given charset
+                value.encode(charset)
+            elif isinstance(value, bytes):
+                # Convert bytestring using given charset
+                value = value.decode(charset)
+            else:
+                value = str(value)
+                # Ensure string is valid in given charset.
+                value.encode(charset)
+            if "\n" in value or "\r" in value:
+                raise BadHeaderError(
+                    f"Header values can't contain newlines (got {value!r})"
+                )
+        except UnicodeError as e:
+            # Encoding to a string of the specified charset failed, but we
+            # don't know what type that value was, or if it contains newlines,
+            # which we may need to check for before sending it to be
+            # encoded for multiple character sets.
+            if (isinstance(value, bytes) and (b"\n" in value or b"\r" in value)) or (
+                isinstance(value, str) and ("\n" in value or "\r" in value)
+            ):
+                raise BadHeaderError(
+                    f"Header values can't contain newlines (got {value!r})"
+                ) from e
+            if mime_encode:
+                value = Header(value, "utf-8", maxlinelen=sys.maxsize).encode()
+            else:
+                e.reason += ", HTTP response headers must be in %s format" % charset
+                raise
+        return value
+
+    def __delitem__(self, key):
+        self.pop(key)
+
+    def __setitem__(self, key, value):
+        key = self._convert_to_charset(key, "ascii")
+        value = self._convert_to_charset(value, "latin-1", mime_encode=True)
+        self._store[key.lower()] = (key, value)
+
+    def pop(self, key, default=None):
+        return self._store.pop(key.lower(), default)
+
+    def setdefault(self, key, value):
+        if key not in self:
+            self[key] = value
+
+
+class BadHeaderError(ValueError):
+    pass
+
+
+class HttpResponseBase:
+    """
+    An HTTP response base class with dictionary-accessed headers.
+
+    This class doesn't handle content. It should not be used directly.
+    Use the HttpResponse and StreamingHttpResponse subclasses instead.
+    """
+
+    status_code = 200
+
+    def __init__(
+        self, content_type=None, status=None, reason=None, charset=None, headers=None
+    ):
+        self.headers = ResponseHeaders(headers)
+        self._charset = charset
+        if "Content-Type" not in self.headers:
+            if content_type is None:
+                content_type = f"text/html; charset={self.charset}"
+            self.headers["Content-Type"] = content_type
+        elif content_type:
+            raise ValueError(
+                "'headers' must not contain 'Content-Type' when the "
+                "'content_type' parameter is provided."
+            )
+        self._resource_closers = []
+        # This parameter is set by the handler. It's necessary to preserve the
+        # historical behavior of request_finished.
+        self._handler_class = None
+        self.cookies = SimpleCookie()
+        self.closed = False
+        if status is not None:
+            try:
+                self.status_code = int(status)
+            except (ValueError, TypeError):
+                raise TypeError("HTTP status code must be an integer.")
+
+            if not 100 <= self.status_code <= 599:
+                raise ValueError("HTTP status code must be an integer from 100 to 599.")
+        self._reason_phrase = reason
+
+    @property
+    def reason_phrase(self):
+        if self._reason_phrase is not None:
+            return self._reason_phrase
+        # Leave self._reason_phrase unset in order to use the default
+        # reason phrase for status code.
+        return responses.get(self.status_code, "Unknown Status Code")
+
+    @reason_phrase.setter
+    def reason_phrase(self, value):
+        self._reason_phrase = value
+
+    @property
+    def charset(self):
+        if self._charset is not None:
+            return self._charset
+        # The Content-Type header may not yet be set, because the charset is
+        # being inserted *into* it.
+        if content_type := self.headers.get("Content-Type"):
+            if matched := _charset_from_content_type_re.search(content_type):
+                # Extract the charset and strip its double quotes.
+                # Note that having parsed it from the Content-Type, we don't
+                # store it back into the _charset for later intentionally, to
+                # allow for the Content-Type to be switched again later.
+                return matched["charset"].replace('"', "")
+        return settings.DEFAULT_CHARSET
+
+    @charset.setter
+    def charset(self, value):
+        self._charset = value
+
+    def serialize_headers(self):
+        """HTTP headers as a bytestring."""
+        return b"\r\n".join(
+            [
+                key.encode("ascii") + b": " + value.encode("latin-1")
+                for key, value in self.headers.items()
+            ]
+        )
+
+    __bytes__ = serialize_headers
+
+    @property
+    def _content_type_for_repr(self):
+        return (
+            ', "%s"' % self.headers["Content-Type"]
+            if "Content-Type" in self.headers
+            else ""
+        )
+
+    def __setitem__(self, header, value):
+        self.headers[header] = value
+
+    def __delitem__(self, header):
+        del self.headers[header]
+
+    def __getitem__(self, header):
+        return self.headers[header]
+
+    def has_header(self, header):
+        """Case-insensitive check for a header."""
+        return header in self.headers
+
+    __contains__ = has_header
+
+    def items(self):
+        return self.headers.items()
+
+    def get(self, header, alternate=None):
+        return self.headers.get(header, alternate)
+
+    def set_cookie(
+        self,
+        key,
+        value="",
+        max_age=None,
+        expires=None,
+        path="/",
+        domain=None,
+        secure=False,
+        httponly=False,
+        samesite=None,
+    ):
+        """
+        Set a cookie.
+
+        ``expires`` can be:
+        - a string in the correct format,
+        - a naive ``datetime.datetime`` object in UTC,
+        - an aware ``datetime.datetime`` object in any time zone.
+        If it is a ``datetime.datetime`` object then calculate ``max_age``.
+
+        ``max_age`` can be:
+        - int/float specifying seconds,
+        - ``datetime.timedelta`` object.
+        """
+        self.cookies[key] = value
+        if expires is not None:
+            if isinstance(expires, datetime.datetime):
+                if timezone.is_naive(expires):
+                    expires = timezone.make_aware(expires, datetime.timezone.utc)
+                delta = expires - datetime.datetime.now(tz=datetime.timezone.utc)
+                # Add one second so the date matches exactly (a fraction of
+                # time gets lost between converting to a timedelta and
+                # then the date string).
+                delta += datetime.timedelta(seconds=1)
+                # Just set max_age - the max_age logic will set expires.
+                expires = None
+                if max_age is not None:
+                    raise ValueError("'expires' and 'max_age' can't be used together.")
+                max_age = max(0, delta.days * 86400 + delta.seconds)
+            else:
+                self.cookies[key]["expires"] = expires
+        else:
+            self.cookies[key]["expires"] = ""
+        if max_age is not None:
+            if isinstance(max_age, datetime.timedelta):
+                max_age = max_age.total_seconds()
+            self.cookies[key]["max-age"] = int(max_age)
+            # IE requires expires, so set it if hasn't been already.
+            if not expires:
+                self.cookies[key]["expires"] = http_date(time.time() + max_age)
+        if path is not None:
+            self.cookies[key]["path"] = path
+        if domain is not None:
+            self.cookies[key]["domain"] = domain
+        if secure:
+            self.cookies[key]["secure"] = True
+        if httponly:
+            self.cookies[key]["httponly"] = True
+        if samesite:
+            if samesite.lower() not in ("lax", "none", "strict"):
+                raise ValueError('samesite must be "lax", "none", or "strict".')
+            self.cookies[key]["samesite"] = samesite
+
+    def setdefault(self, key, value):
+        """Set a header unless it has already been set."""
+        self.headers.setdefault(key, value)
+
+    def set_signed_cookie(self, key, value, salt="", **kwargs):
+        value = signing.get_cookie_signer(salt=key + salt).sign(value)
+        return self.set_cookie(key, value, **kwargs)
+
+    def delete_cookie(self, key, path="/", domain=None, samesite=None):
+        # Browsers can ignore the Set-Cookie header if the cookie doesn't use
+        # the secure flag and:
+        # - the cookie name starts with "__Host-" or "__Secure-", or
+        # - the samesite is "none".
+        secure = key.startswith(("__Secure-", "__Host-")) or (
+            samesite and samesite.lower() == "none"
+        )
+        self.set_cookie(
+            key,
+            max_age=0,
+            path=path,
+            domain=domain,
+            secure=secure,
+            expires="Thu, 01 Jan 1970 00:00:00 GMT",
+            samesite=samesite,
+        )
+
+    # Common methods used by subclasses
+
+    def make_bytes(self, value):
+        """Turn a value into a bytestring encoded in the output charset."""
+        # Per PEP 3333, this response body must be bytes. To avoid returning
+        # an instance of a subclass, this function returns `bytes(value)`.
+        # This doesn't make a copy when `value` already contains bytes.
+
+        # Handle string types -- we can't rely on force_bytes here because:
+        # - Python attempts str conversion first
+        # - when self._charset != 'utf-8' it re-encodes the content
+        if isinstance(value, (bytes, memoryview)):
+            return bytes(value)
+        if isinstance(value, str):
+            return bytes(value.encode(self.charset))
+        # Handle non-string types.
+        return str(value).encode(self.charset)
+
+    # These methods partially implement the file-like object interface.
+    # See https://docs.python.org/library/io.html#io.IOBase
+
+    # The WSGI server must call this method upon completion of the request.
+    # See http://blog.dscpl.com.au/2012/10/obligations-for-calling-close-on.html
+    def close(self):
+        for closer in self._resource_closers:
+            try:
+                closer()
+            except Exception:
+                pass
+        # Free resources that were still referenced.
+        self._resource_closers.clear()
+        self.closed = True
+        signals.request_finished.send(sender=self._handler_class)
+
+    def write(self, content):
+        raise OSError("This %s instance is not writable" % self.__class__.__name__)
+
+    def flush(self):
+        pass
+
+    def tell(self):
+        raise OSError(
+            "This %s instance cannot tell its position" % self.__class__.__name__
+        )
+
+    # These methods partially implement a stream-like object interface.
+    # See https://docs.python.org/library/io.html#io.IOBase
+
+    def readable(self):
+        return False
+
+    def seekable(self):
+        return False
+
+    def writable(self):
+        return False
+
+    def writelines(self, lines):
+        raise OSError("This %s instance is not writable" % self.__class__.__name__)
+
+
+class HttpResponse(HttpResponseBase):
+    """
+    An HTTP response class with a string as content.
+
+    This content can be read, appended to, or replaced.
+    """
+
+    streaming = False
+
+    def __init__(self, content=b"", *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # Content is a bytestring. See the `content` property methods.
+        self.content = content
+
+    def __repr__(self):
+        return "<%(cls)s status_code=%(status_code)d%(content_type)s>" % {
+            "cls": self.__class__.__name__,
+            "status_code": self.status_code,
+            "content_type": self._content_type_for_repr,
+        }
+
+    def serialize(self):
+        """Full HTTP message, including headers, as a bytestring."""
+        return self.serialize_headers() + b"\r\n\r\n" + self.content
+
+    __bytes__ = serialize
+
+    @property
+    def content(self):
+        return b"".join(self._container)
+
+    @content.setter
+    def content(self, value):
+        # Consume iterators upon assignment to allow repeated iteration.
+        if hasattr(value, "__iter__") and not isinstance(
+            value, (bytes, memoryview, str)
+        ):
+            content = b"".join(self.make_bytes(chunk) for chunk in value)
+            if hasattr(value, "close"):
+                try:
+                    value.close()
+                except Exception:
+                    pass
+        else:
+            content = self.make_bytes(value)
+        # Create a list of properly encoded bytestrings to support write().
+        self._container = [content]
+
+    def __iter__(self):
+        return iter(self._container)
+
+    def write(self, content):
+        self._container.append(self.make_bytes(content))
+
+    def tell(self):
+        return len(self.content)
+
+    def getvalue(self):
+        return self.content
+
+    def writable(self):
+        return True
+
+    def writelines(self, lines):
+        for line in lines:
+            self.write(line)
+
+
+class StreamingHttpResponse(HttpResponseBase):
+    """
+    A streaming HTTP response class with an iterator as content.
+
+    This should only be iterated once, when the response is streamed to the
+    client. However, it can be appended to or replaced with a new iterator
+    that wraps the original content (or yields entirely new content).
+    """
+
+    streaming = True
+
+    def __init__(self, streaming_content=(), *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # `streaming_content` should be an iterable of bytestrings.
+        # See the `streaming_content` property methods.
+        self.streaming_content = streaming_content
+
+    def __repr__(self):
+        return "<%(cls)s status_code=%(status_code)d%(content_type)s>" % {
+            "cls": self.__class__.__qualname__,
+            "status_code": self.status_code,
+            "content_type": self._content_type_for_repr,
+        }
+
+    @property
+    def content(self):
+        raise AttributeError(
+            "This %s instance has no `content` attribute. Use "
+            "`streaming_content` instead." % self.__class__.__name__
+        )
+
+    @property
+    def streaming_content(self):
+        if self.is_async:
+            # pull to lexical scope to capture fixed reference in case
+            # streaming_content is set again later.
+            _iterator = self._iterator
+
+            async def awrapper():
+                async for part in _iterator:
+                    yield self.make_bytes(part)
+
+            return awrapper()
+        else:
+            return map(self.make_bytes, self._iterator)
+
+    @streaming_content.setter
+    def streaming_content(self, value):
+        self._set_streaming_content(value)
+
+    def _set_streaming_content(self, value):
+        # Ensure we can never iterate on "value" more than once.
+        try:
+            self._iterator = iter(value)
+            self.is_async = False
+        except TypeError:
+            self._iterator = aiter(value)
+            self.is_async = True
+        if hasattr(value, "close"):
+            self._resource_closers.append(value.close)
+
+    def __iter__(self):
+        try:
+            return iter(self.streaming_content)
+        except TypeError:
+            warnings.warn(
+                "StreamingHttpResponse must consume asynchronous iterators in order to "
+                "serve them synchronously. Use a synchronous iterator instead.",
+                Warning,
+            )
+
+            # async iterator. Consume in async_to_sync and map back.
+            async def to_list(_iterator):
+                as_list = []
+                async for chunk in _iterator:
+                    as_list.append(chunk)
+                return as_list
+
+            return map(self.make_bytes, iter(async_to_sync(to_list)(self._iterator)))
+
+    async def __aiter__(self):
+        try:
+            async for part in self.streaming_content:
+                yield part
+        except TypeError:
+            warnings.warn(
+                "StreamingHttpResponse must consume synchronous iterators in order to "
+                "serve them asynchronously. Use an asynchronous iterator instead.",
+                Warning,
+            )
+            # sync iterator. Consume via sync_to_async and yield via async
+            # generator.
+            for part in await sync_to_async(list)(self.streaming_content):
+                yield part
+
+    def getvalue(self):
+        return b"".join(self.streaming_content)
+
+
+class FileResponse(StreamingHttpResponse):
+    """
+    A streaming HTTP response class optimized for files.
+    """
+
+    block_size = 4096
+
+    def __init__(self, *args, as_attachment=False, filename="", **kwargs):
+        self.as_attachment = as_attachment
+        self.filename = filename
+        self._no_explicit_content_type = (
+            "content_type" not in kwargs or kwargs["content_type"] is None
+        )
+        super().__init__(*args, **kwargs)
+
+    def _set_streaming_content(self, value):
+        if not hasattr(value, "read"):
+            self.file_to_stream = None
+            return super()._set_streaming_content(value)
+
+        self.file_to_stream = filelike = value
+        if hasattr(filelike, "close"):
+            self._resource_closers.append(filelike.close)
+        value = iter(lambda: filelike.read(self.block_size), b"")
+        self.set_headers(filelike)
+        super()._set_streaming_content(value)
+
+    def set_headers(self, filelike):
+        """
+        Set some common response headers (Content-Length, Content-Type, and
+        Content-Disposition) based on the `filelike` response content.
+        """
+        filename = getattr(filelike, "name", "")
+        filename = filename if isinstance(filename, str) else ""
+        seekable = hasattr(filelike, "seek") and (
+            not hasattr(filelike, "seekable") or filelike.seekable()
+        )
+        if hasattr(filelike, "tell"):
+            if seekable:
+                initial_position = filelike.tell()
+                filelike.seek(0, io.SEEK_END)
+                self.headers["Content-Length"] = filelike.tell() - initial_position
+                filelike.seek(initial_position)
+            elif hasattr(filelike, "getbuffer"):
+                self.headers["Content-Length"] = (
+                    filelike.getbuffer().nbytes - filelike.tell()
+                )
+            elif os.path.exists(filename):
+                self.headers["Content-Length"] = (
+                    os.path.getsize(filename) - filelike.tell()
+                )
+        elif seekable:
+            self.headers["Content-Length"] = sum(
+                iter(lambda: len(filelike.read(self.block_size)), 0)
+            )
+            filelike.seek(-int(self.headers["Content-Length"]), io.SEEK_END)
+
+        filename = os.path.basename(self.filename or filename)
+        if self._no_explicit_content_type:
+            if filename:
+                content_type, encoding = mimetypes.guess_type(filename)
+                # Encoding isn't set to prevent browsers from automatically
+                # uncompressing files.
+                content_type = {
+                    "br": "application/x-brotli",
+                    "bzip2": "application/x-bzip",
+                    "compress": "application/x-compress",
+                    "gzip": "application/gzip",
+                    "xz": "application/x-xz",
+                }.get(encoding, content_type)
+                self.headers["Content-Type"] = (
+                    content_type or "application/octet-stream"
+                )
+            else:
+                self.headers["Content-Type"] = "application/octet-stream"
+
+        if content_disposition := content_disposition_header(
+            self.as_attachment, filename
+        ):
+            self.headers["Content-Disposition"] = content_disposition
+
+
+class HttpResponseRedirectBase(HttpResponse):
+    allowed_schemes = ["http", "https", "ftp"]
+
+    def __init__(self, redirect_to, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self["Location"] = iri_to_uri(redirect_to)
+        parsed = urlparse(str(redirect_to))
+        if parsed.scheme and parsed.scheme not in self.allowed_schemes:
+            raise DisallowedRedirect(
+                "Unsafe redirect to URL with protocol '%s'" % parsed.scheme
+            )
+
+    url = property(lambda self: self["Location"])
+
+    def __repr__(self):
+        return (
+            '<%(cls)s status_code=%(status_code)d%(content_type)s, url="%(url)s">'
+            % {
+                "cls": self.__class__.__name__,
+                "status_code": self.status_code,
+                "content_type": self._content_type_for_repr,
+                "url": self.url,
+            }
+        )
+
+
+class HttpResponseRedirect(HttpResponseRedirectBase):
+    status_code = 302
+
+
+class HttpResponsePermanentRedirect(HttpResponseRedirectBase):
+    status_code = 301
+
+
+class HttpResponseNotModified(HttpResponse):
+    status_code = 304
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        del self["content-type"]
+
+    @HttpResponse.content.setter
+    def content(self, value):
+        if value:
+            raise AttributeError(
+                "You cannot set content to a 304 (Not Modified) response"
+            )
+        self._container = []
+
+
+class HttpResponseBadRequest(HttpResponse):
+    status_code = 400
+
+
+class HttpResponseNotFound(HttpResponse):
+    status_code = 404
+
+
+class HttpResponseForbidden(HttpResponse):
+    status_code = 403
+
+
+class HttpResponseNotAllowed(HttpResponse):
+    status_code = 405
+
+    def __init__(self, permitted_methods, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self["Allow"] = ", ".join(permitted_methods)
+
+    def __repr__(self):
+        return "<%(cls)s [%(methods)s] status_code=%(status_code)d%(content_type)s>" % {
+            "cls": self.__class__.__name__,
+            "status_code": self.status_code,
+            "content_type": self._content_type_for_repr,
+            "methods": self["Allow"],
+        }
+
+
+class HttpResponseGone(HttpResponse):
+    status_code = 410
+
+
+class HttpResponseServerError(HttpResponse):
+    status_code = 500
+
+
+class Http404(Exception):
+    pass
+
+
+class JsonResponse(HttpResponse):
+    """
+    An HTTP response class that consumes data to be serialized to JSON.
+
+    :param data: Data to be dumped into json. By default only ``dict`` objects
+      are allowed to be passed due to a security flaw before ECMAScript 5. See
+      the ``safe`` parameter for more information.
+    :param encoder: Should be a json encoder class. Defaults to
+      ``django.core.serializers.json.DjangoJSONEncoder``.
+    :param safe: Controls if only ``dict`` objects may be serialized. Defaults
+      to ``True``.
+    :param json_dumps_params: A dictionary of kwargs passed to json.dumps().
+    """
+
+    def __init__(
+        self,
+        data,
+        encoder=DjangoJSONEncoder,
+        safe=True,
+        json_dumps_params=None,
+        **kwargs,
+    ):
+        if safe and not isinstance(data, dict):
+            raise TypeError(
+                "In order to allow non-dict objects to be serialized set the "
+                "safe parameter to False."
+            )
+        if json_dumps_params is None:
+            json_dumps_params = {}
+        kwargs.setdefault("content_type", "application/json")
+        data = json.dumps(data, cls=encoder, **json_dumps_params)
+        super().__init__(content=data, **kwargs)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/cache.py
new file mode 100644
index 00000000..0fdffe1b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/cache.py
@@ -0,0 +1,211 @@
+"""
+Cache middleware. If enabled, each Django-powered page will be cached based on
+URL. The canonical way to enable cache middleware is to set
+``UpdateCacheMiddleware`` as your first piece of middleware, and
+``FetchFromCacheMiddleware`` as the last::
+
+    MIDDLEWARE = [
+        'django.middleware.cache.UpdateCacheMiddleware',
+        ...
+        'django.middleware.cache.FetchFromCacheMiddleware'
+    ]
+
+This is counter-intuitive, but correct: ``UpdateCacheMiddleware`` needs to run
+last during the response phase, which processes middleware bottom-up;
+``FetchFromCacheMiddleware`` needs to run last during the request phase, which
+processes middleware top-down.
+
+The single-class ``CacheMiddleware`` can be used for some simple sites.
+However, if any other piece of middleware needs to affect the cache key, you'll
+need to use the two-part ``UpdateCacheMiddleware`` and
+``FetchFromCacheMiddleware``. This'll most often happen when you're using
+Django's ``LocaleMiddleware``.
+
+More details about how the caching works:
+
+* Only GET or HEAD-requests with status code 200 are cached.
+
+* The number of seconds each page is stored for is set by the "max-age" section
+  of the response's "Cache-Control" header, falling back to the
+  CACHE_MIDDLEWARE_SECONDS setting if the section was not found.
+
+* This middleware expects that a HEAD request is answered with the same response
+  headers exactly like the corresponding GET request.
+
+* When a hit occurs, a shallow copy of the original response object is returned
+  from process_request.
+
+* Pages will be cached based on the contents of the request headers listed in
+  the response's "Vary" header.
+
+* This middleware also sets ETag, Last-Modified, Expires and Cache-Control
+  headers on the response object.
+
+"""
+
+from django.conf import settings
+from django.core.cache import DEFAULT_CACHE_ALIAS, caches
+from django.utils.cache import (
+    get_cache_key,
+    get_max_age,
+    has_vary_header,
+    learn_cache_key,
+    patch_response_headers,
+)
+from django.utils.deprecation import MiddlewareMixin
+
+
+class UpdateCacheMiddleware(MiddlewareMixin):
+    """
+    Response-phase cache middleware that updates the cache if the response is
+    cacheable.
+
+    Must be used as part of the two-part update/fetch cache middleware.
+    UpdateCacheMiddleware must be the first piece of middleware in MIDDLEWARE
+    so that it'll get called last during the response phase.
+    """
+
+    def __init__(self, get_response):
+        super().__init__(get_response)
+        self.cache_timeout = settings.CACHE_MIDDLEWARE_SECONDS
+        self.page_timeout = None
+        self.key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX
+        self.cache_alias = settings.CACHE_MIDDLEWARE_ALIAS
+
+    @property
+    def cache(self):
+        return caches[self.cache_alias]
+
+    def _should_update_cache(self, request, response):
+        return hasattr(request, "_cache_update_cache") and request._cache_update_cache
+
+    def process_response(self, request, response):
+        """Set the cache, if needed."""
+        if not self._should_update_cache(request, response):
+            # We don't need to update the cache, just return.
+            return response
+
+        if response.streaming or response.status_code not in (200, 304):
+            return response
+
+        # Don't cache responses that set a user-specific (and maybe security
+        # sensitive) cookie in response to a cookie-less request.
+        if (
+            not request.COOKIES
+            and response.cookies
+            and has_vary_header(response, "Cookie")
+        ):
+            return response
+
+        # Don't cache a response with 'Cache-Control: private'
+        if "private" in response.get("Cache-Control", ()):
+            return response
+
+        # Page timeout takes precedence over the "max-age" and the default
+        # cache timeout.
+        timeout = self.page_timeout
+        if timeout is None:
+            # The timeout from the "max-age" section of the "Cache-Control"
+            # header takes precedence over the default cache timeout.
+            timeout = get_max_age(response)
+            if timeout is None:
+                timeout = self.cache_timeout
+            elif timeout == 0:
+                # max-age was set to 0, don't cache.
+                return response
+        patch_response_headers(response, timeout)
+        if timeout and response.status_code == 200:
+            cache_key = learn_cache_key(
+                request, response, timeout, self.key_prefix, cache=self.cache
+            )
+            if hasattr(response, "render") and callable(response.render):
+                response.add_post_render_callback(
+                    lambda r: self.cache.set(cache_key, r, timeout)
+                )
+            else:
+                self.cache.set(cache_key, response, timeout)
+        return response
+
+
+class FetchFromCacheMiddleware(MiddlewareMixin):
+    """
+    Request-phase cache middleware that fetches a page from the cache.
+
+    Must be used as part of the two-part update/fetch cache middleware.
+    FetchFromCacheMiddleware must be the last piece of middleware in MIDDLEWARE
+    so that it'll get called last during the request phase.
+    """
+
+    def __init__(self, get_response):
+        super().__init__(get_response)
+        self.key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX
+        self.cache_alias = settings.CACHE_MIDDLEWARE_ALIAS
+
+    @property
+    def cache(self):
+        return caches[self.cache_alias]
+
+    def process_request(self, request):
+        """
+        Check whether the page is already cached and return the cached
+        version if available.
+        """
+        if request.method not in ("GET", "HEAD"):
+            request._cache_update_cache = False
+            return None  # Don't bother checking the cache.
+
+        # try and get the cached GET response
+        cache_key = get_cache_key(request, self.key_prefix, "GET", cache=self.cache)
+        if cache_key is None:
+            request._cache_update_cache = True
+            return None  # No cache information available, need to rebuild.
+        response = self.cache.get(cache_key)
+        # if it wasn't found and we are looking for a HEAD, try looking just for that
+        if response is None and request.method == "HEAD":
+            cache_key = get_cache_key(
+                request, self.key_prefix, "HEAD", cache=self.cache
+            )
+            response = self.cache.get(cache_key)
+
+        if response is None:
+            request._cache_update_cache = True
+            return None  # No cache information available, need to rebuild.
+
+        # hit, return cached response
+        request._cache_update_cache = False
+        return response
+
+
+class CacheMiddleware(UpdateCacheMiddleware, FetchFromCacheMiddleware):
+    """
+    Cache middleware that provides basic behavior for many simple sites.
+
+    Also used as the hook point for the cache decorator, which is generated
+    using the decorator-from-middleware utility.
+    """
+
+    def __init__(self, get_response, cache_timeout=None, page_timeout=None, **kwargs):
+        super().__init__(get_response)
+        # We need to differentiate between "provided, but using default value",
+        # and "not provided". If the value is provided using a default, then
+        # we fall back to system defaults. If it is not provided at all,
+        # we need to use middleware defaults.
+
+        try:
+            key_prefix = kwargs["key_prefix"]
+            if key_prefix is None:
+                key_prefix = ""
+            self.key_prefix = key_prefix
+        except KeyError:
+            pass
+        try:
+            cache_alias = kwargs["cache_alias"]
+            if cache_alias is None:
+                cache_alias = DEFAULT_CACHE_ALIAS
+            self.cache_alias = cache_alias
+        except KeyError:
+            pass
+
+        if cache_timeout is not None:
+            self.cache_timeout = cache_timeout
+        self.page_timeout = page_timeout
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/clickjacking.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/clickjacking.py
new file mode 100644
index 00000000..f0c99710
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/clickjacking.py
@@ -0,0 +1,48 @@
+"""
+Clickjacking Protection Middleware.
+
+This module provides a middleware that implements protection against a
+malicious site loading resources from your site in a hidden frame.
+"""
+
+from django.conf import settings
+from django.utils.deprecation import MiddlewareMixin
+
+
+class XFrameOptionsMiddleware(MiddlewareMixin):
+    """
+    Set the X-Frame-Options HTTP header in HTTP responses.
+
+    Do not set the header if it's already set or if the response contains
+    a xframe_options_exempt value set to True.
+
+    By default, set the X-Frame-Options header to 'DENY', meaning the response
+    cannot be displayed in a frame, regardless of the site attempting to do so.
+    To enable the response to be loaded on a frame within the same site, set
+    X_FRAME_OPTIONS in your project's Django settings to 'SAMEORIGIN'.
+    """
+
+    def process_response(self, request, response):
+        # Don't set it if it's already in the response
+        if response.get("X-Frame-Options") is not None:
+            return response
+
+        # Don't set it if they used @xframe_options_exempt
+        if getattr(response, "xframe_options_exempt", False):
+            return response
+
+        response.headers["X-Frame-Options"] = self.get_xframe_options_value(
+            request,
+            response,
+        )
+        return response
+
+    def get_xframe_options_value(self, request, response):
+        """
+        Get the value to set for the X_FRAME_OPTIONS header. Use the value from
+        the X_FRAME_OPTIONS setting, or 'DENY' if not set.
+
+        This method can be overridden if needed, allowing it to vary based on
+        the request or response.
+        """
+        return getattr(settings, "X_FRAME_OPTIONS", "DENY").upper()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/common.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/common.py
new file mode 100644
index 00000000..12d00612
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/common.py
@@ -0,0 +1,178 @@
+import re
+from urllib.parse import urlparse
+
+from django.conf import settings
+from django.core.exceptions import PermissionDenied
+from django.core.mail import mail_managers
+from django.http import HttpResponsePermanentRedirect
+from django.urls import is_valid_path
+from django.utils.deprecation import MiddlewareMixin
+from django.utils.http import escape_leading_slashes
+
+
+class CommonMiddleware(MiddlewareMixin):
+    """
+    "Common" middleware for taking care of some basic operations:
+
+        - Forbid access to User-Agents in settings.DISALLOWED_USER_AGENTS
+
+        - URL rewriting: Based on the APPEND_SLASH and PREPEND_WWW settings,
+          append missing slashes and/or prepends missing "www."s.
+
+            - If APPEND_SLASH is set and the initial URL doesn't end with a
+              slash, and it is not found in urlpatterns, form a new URL by
+              appending a slash at the end. If this new URL is found in
+              urlpatterns, return an HTTP redirect to this new URL; otherwise
+              process the initial URL as usual.
+
+          This behavior can be customized by subclassing CommonMiddleware and
+          overriding the response_redirect_class attribute.
+    """
+
+    response_redirect_class = HttpResponsePermanentRedirect
+
+    def process_request(self, request):
+        """
+        Check for denied User-Agents and rewrite the URL based on
+        settings.APPEND_SLASH and settings.PREPEND_WWW
+        """
+
+        # Check for denied User-Agents
+        user_agent = request.META.get("HTTP_USER_AGENT")
+        if user_agent is not None:
+            for user_agent_regex in settings.DISALLOWED_USER_AGENTS:
+                if user_agent_regex.search(user_agent):
+                    raise PermissionDenied("Forbidden user agent")
+
+        # Check for a redirect based on settings.PREPEND_WWW
+        host = request.get_host()
+
+        if settings.PREPEND_WWW and host and not host.startswith("www."):
+            # Check if we also need to append a slash so we can do it all
+            # with a single redirect. (This check may be somewhat expensive,
+            # so we only do it if we already know we're sending a redirect,
+            # or in process_response if we get a 404.)
+            if self.should_redirect_with_slash(request):
+                path = self.get_full_path_with_slash(request)
+            else:
+                path = request.get_full_path()
+
+            return self.response_redirect_class(f"{request.scheme}://www.{host}{path}")
+
+    def should_redirect_with_slash(self, request):
+        """
+        Return True if settings.APPEND_SLASH is True and appending a slash to
+        the request path turns an invalid path into a valid one.
+        """
+        if settings.APPEND_SLASH and not request.path_info.endswith("/"):
+            urlconf = getattr(request, "urlconf", None)
+            if not is_valid_path(request.path_info, urlconf):
+                match = is_valid_path("%s/" % request.path_info, urlconf)
+                if match:
+                    view = match.func
+                    return getattr(view, "should_append_slash", True)
+        return False
+
+    def get_full_path_with_slash(self, request):
+        """
+        Return the full path of the request with a trailing slash appended.
+
+        Raise a RuntimeError if settings.DEBUG is True and request.method is
+        POST, PUT, or PATCH.
+        """
+        new_path = request.get_full_path(force_append_slash=True)
+        # Prevent construction of scheme relative urls.
+        new_path = escape_leading_slashes(new_path)
+        if settings.DEBUG and request.method in ("POST", "PUT", "PATCH"):
+            raise RuntimeError(
+                "You called this URL via %(method)s, but the URL doesn't end "
+                "in a slash and you have APPEND_SLASH set. Django can't "
+                "redirect to the slash URL while maintaining %(method)s data. "
+                "Change your form to point to %(url)s (note the trailing "
+                "slash), or set APPEND_SLASH=False in your Django settings."
+                % {
+                    "method": request.method,
+                    "url": request.get_host() + new_path,
+                }
+            )
+        return new_path
+
+    def process_response(self, request, response):
+        """
+        When the status code of the response is 404, it may redirect to a path
+        with an appended slash if should_redirect_with_slash() returns True.
+        """
+        # If the given URL is "Not Found", then check if we should redirect to
+        # a path with a slash appended.
+        if response.status_code == 404 and self.should_redirect_with_slash(request):
+            return self.response_redirect_class(self.get_full_path_with_slash(request))
+
+        # Add the Content-Length header to non-streaming responses if not
+        # already set.
+        if not response.streaming and not response.has_header("Content-Length"):
+            response.headers["Content-Length"] = str(len(response.content))
+
+        return response
+
+
+class BrokenLinkEmailsMiddleware(MiddlewareMixin):
+    def process_response(self, request, response):
+        """Send broken link emails for relevant 404 NOT FOUND responses."""
+        if response.status_code == 404 and not settings.DEBUG:
+            domain = request.get_host()
+            path = request.get_full_path()
+            referer = request.META.get("HTTP_REFERER", "")
+
+            if not self.is_ignorable_request(request, path, domain, referer):
+                ua = request.META.get("HTTP_USER_AGENT", "<none>")
+                ip = request.META.get("REMOTE_ADDR", "<none>")
+                mail_managers(
+                    "Broken %slink on %s"
+                    % (
+                        (
+                            "INTERNAL "
+                            if self.is_internal_request(domain, referer)
+                            else ""
+                        ),
+                        domain,
+                    ),
+                    "Referrer: %s\nRequested URL: %s\nUser agent: %s\n"
+                    "IP address: %s\n" % (referer, path, ua, ip),
+                    fail_silently=True,
+                )
+        return response
+
+    def is_internal_request(self, domain, referer):
+        """
+        Return True if the referring URL is the same domain as the current
+        request.
+        """
+        # Different subdomains are treated as different domains.
+        return bool(re.match("^https?://%s/" % re.escape(domain), referer))
+
+    def is_ignorable_request(self, request, uri, domain, referer):
+        """
+        Return True if the given request *shouldn't* notify the site managers
+        according to project settings or in situations outlined by the inline
+        comments.
+        """
+        # The referer is empty.
+        if not referer:
+            return True
+
+        # APPEND_SLASH is enabled and the referer is equal to the current URL
+        # without a trailing slash indicating an internal redirect.
+        if settings.APPEND_SLASH and uri.endswith("/") and referer == uri[:-1]:
+            return True
+
+        # A '?' in referer is identified as a search engine source.
+        if not self.is_internal_request(domain, referer) and "?" in referer:
+            return True
+
+        # The referer is equal to the current URL, ignoring the scheme (assumed
+        # to be a poorly implemented bot).
+        parsed_referer = urlparse(referer)
+        if parsed_referer.netloc in ["", domain] and parsed_referer.path == uri:
+            return True
+
+        return any(pattern.search(uri) for pattern in settings.IGNORABLE_404_URLS)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/csrf.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/csrf.py
new file mode 100644
index 00000000..f7943494
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/csrf.py
@@ -0,0 +1,483 @@
+"""
+Cross Site Request Forgery Middleware.
+
+This module provides a middleware that implements protection
+against request forgeries from other sites.
+"""
+
+import logging
+import string
+from collections import defaultdict
+from urllib.parse import urlparse
+
+from django.conf import settings
+from django.core.exceptions import DisallowedHost, ImproperlyConfigured
+from django.http import HttpHeaders, UnreadablePostError
+from django.urls import get_callable
+from django.utils.cache import patch_vary_headers
+from django.utils.crypto import constant_time_compare, get_random_string
+from django.utils.deprecation import MiddlewareMixin
+from django.utils.functional import cached_property
+from django.utils.http import is_same_domain
+from django.utils.log import log_response
+from django.utils.regex_helper import _lazy_re_compile
+
+logger = logging.getLogger("django.security.csrf")
+# This matches if any character is not in CSRF_ALLOWED_CHARS.
+invalid_token_chars_re = _lazy_re_compile("[^a-zA-Z0-9]")
+
+REASON_BAD_ORIGIN = "Origin checking failed - %s does not match any trusted origins."
+REASON_NO_REFERER = "Referer checking failed - no Referer."
+REASON_BAD_REFERER = "Referer checking failed - %s does not match any trusted origins."
+REASON_NO_CSRF_COOKIE = "CSRF cookie not set."
+REASON_CSRF_TOKEN_MISSING = "CSRF token missing."
+REASON_MALFORMED_REFERER = "Referer checking failed - Referer is malformed."
+REASON_INSECURE_REFERER = (
+    "Referer checking failed - Referer is insecure while host is secure."
+)
+# The reason strings below are for passing to InvalidTokenFormat. They are
+# phrases without a subject because they can be in reference to either the CSRF
+# cookie or non-cookie token.
+REASON_INCORRECT_LENGTH = "has incorrect length"
+REASON_INVALID_CHARACTERS = "has invalid characters"
+
+CSRF_SECRET_LENGTH = 32
+CSRF_TOKEN_LENGTH = 2 * CSRF_SECRET_LENGTH
+CSRF_ALLOWED_CHARS = string.ascii_letters + string.digits
+CSRF_SESSION_KEY = "_csrftoken"
+
+
+def _get_failure_view():
+    """Return the view to be used for CSRF rejections."""
+    return get_callable(settings.CSRF_FAILURE_VIEW)
+
+
+def _get_new_csrf_string():
+    return get_random_string(CSRF_SECRET_LENGTH, allowed_chars=CSRF_ALLOWED_CHARS)
+
+
+def _mask_cipher_secret(secret):
+    """
+    Given a secret (assumed to be a string of CSRF_ALLOWED_CHARS), generate a
+    token by adding a mask and applying it to the secret.
+    """
+    mask = _get_new_csrf_string()
+    chars = CSRF_ALLOWED_CHARS
+    pairs = zip((chars.index(x) for x in secret), (chars.index(x) for x in mask))
+    cipher = "".join(chars[(x + y) % len(chars)] for x, y in pairs)
+    return mask + cipher
+
+
+def _unmask_cipher_token(token):
+    """
+    Given a token (assumed to be a string of CSRF_ALLOWED_CHARS, of length
+    CSRF_TOKEN_LENGTH, and that its first half is a mask), use it to decrypt
+    the second half to produce the original secret.
+    """
+    mask = token[:CSRF_SECRET_LENGTH]
+    token = token[CSRF_SECRET_LENGTH:]
+    chars = CSRF_ALLOWED_CHARS
+    pairs = zip((chars.index(x) for x in token), (chars.index(x) for x in mask))
+    return "".join(chars[x - y] for x, y in pairs)  # Note negative values are ok
+
+
+def _add_new_csrf_cookie(request):
+    """Generate a new random CSRF_COOKIE value, and add it to request.META."""
+    csrf_secret = _get_new_csrf_string()
+    request.META.update(
+        {
+            "CSRF_COOKIE": csrf_secret,
+            "CSRF_COOKIE_NEEDS_UPDATE": True,
+        }
+    )
+    return csrf_secret
+
+
+def get_token(request):
+    """
+    Return the CSRF token required for a POST form. The token is an
+    alphanumeric value. A new token is created if one is not already set.
+
+    A side effect of calling this function is to make the csrf_protect
+    decorator and the CsrfViewMiddleware add a CSRF cookie and a 'Vary: Cookie'
+    header to the outgoing response.  For this reason, you may need to use this
+    function lazily, as is done by the csrf context processor.
+    """
+    if "CSRF_COOKIE" in request.META:
+        csrf_secret = request.META["CSRF_COOKIE"]
+        # Since the cookie is being used, flag to send the cookie in
+        # process_response() (even if the client already has it) in order to
+        # renew the expiry timer.
+        request.META["CSRF_COOKIE_NEEDS_UPDATE"] = True
+    else:
+        csrf_secret = _add_new_csrf_cookie(request)
+    return _mask_cipher_secret(csrf_secret)
+
+
+def rotate_token(request):
+    """
+    Change the CSRF token in use for a request - should be done on login
+    for security purposes.
+    """
+    _add_new_csrf_cookie(request)
+
+
+class InvalidTokenFormat(Exception):
+    def __init__(self, reason):
+        self.reason = reason
+
+
+def _check_token_format(token):
+    """
+    Raise an InvalidTokenFormat error if the token has an invalid length or
+    characters that aren't allowed. The token argument can be a CSRF cookie
+    secret or non-cookie CSRF token, and either masked or unmasked.
+    """
+    if len(token) not in (CSRF_TOKEN_LENGTH, CSRF_SECRET_LENGTH):
+        raise InvalidTokenFormat(REASON_INCORRECT_LENGTH)
+    # Make sure all characters are in CSRF_ALLOWED_CHARS.
+    if invalid_token_chars_re.search(token):
+        raise InvalidTokenFormat(REASON_INVALID_CHARACTERS)
+
+
+def _does_token_match(request_csrf_token, csrf_secret):
+    """
+    Return whether the given CSRF token matches the given CSRF secret, after
+    unmasking the token if necessary.
+
+    This function assumes that the request_csrf_token argument has been
+    validated to have the correct length (CSRF_SECRET_LENGTH or
+    CSRF_TOKEN_LENGTH characters) and allowed characters, and that if it has
+    length CSRF_TOKEN_LENGTH, it is a masked secret.
+    """
+    # Only unmask tokens that are exactly CSRF_TOKEN_LENGTH characters long.
+    if len(request_csrf_token) == CSRF_TOKEN_LENGTH:
+        request_csrf_token = _unmask_cipher_token(request_csrf_token)
+    assert len(request_csrf_token) == CSRF_SECRET_LENGTH
+    return constant_time_compare(request_csrf_token, csrf_secret)
+
+
+class RejectRequest(Exception):
+    def __init__(self, reason):
+        self.reason = reason
+
+
+class CsrfViewMiddleware(MiddlewareMixin):
+    """
+    Require a present and correct csrfmiddlewaretoken for POST requests that
+    have a CSRF cookie, and set an outgoing CSRF cookie.
+
+    This middleware should be used in conjunction with the {% csrf_token %}
+    template tag.
+    """
+
+    @cached_property
+    def csrf_trusted_origins_hosts(self):
+        return [
+            urlparse(origin).netloc.lstrip("*")
+            for origin in settings.CSRF_TRUSTED_ORIGINS
+        ]
+
+    @cached_property
+    def allowed_origins_exact(self):
+        return {origin for origin in settings.CSRF_TRUSTED_ORIGINS if "*" not in origin}
+
+    @cached_property
+    def allowed_origin_subdomains(self):
+        """
+        A mapping of allowed schemes to list of allowed netlocs, where all
+        subdomains of the netloc are allowed.
+        """
+        allowed_origin_subdomains = defaultdict(list)
+        for parsed in (
+            urlparse(origin)
+            for origin in settings.CSRF_TRUSTED_ORIGINS
+            if "*" in origin
+        ):
+            allowed_origin_subdomains[parsed.scheme].append(parsed.netloc.lstrip("*"))
+        return allowed_origin_subdomains
+
+    # The _accept and _reject methods currently only exist for the sake of the
+    # requires_csrf_token decorator.
+    def _accept(self, request):
+        # Avoid checking the request twice by adding a custom attribute to
+        # request.  This will be relevant when both decorator and middleware
+        # are used.
+        request.csrf_processing_done = True
+        return None
+
+    def _reject(self, request, reason):
+        response = _get_failure_view()(request, reason=reason)
+        log_response(
+            "Forbidden (%s): %s",
+            reason,
+            request.path,
+            response=response,
+            request=request,
+            logger=logger,
+        )
+        return response
+
+    def _get_secret(self, request):
+        """
+        Return the CSRF secret originally associated with the request, or None
+        if it didn't have one.
+
+        If the CSRF_USE_SESSIONS setting is false, raises InvalidTokenFormat if
+        the request's secret has invalid characters or an invalid length.
+        """
+        if settings.CSRF_USE_SESSIONS:
+            try:
+                csrf_secret = request.session.get(CSRF_SESSION_KEY)
+            except AttributeError:
+                raise ImproperlyConfigured(
+                    "CSRF_USE_SESSIONS is enabled, but request.session is not "
+                    "set. SessionMiddleware must appear before CsrfViewMiddleware "
+                    "in MIDDLEWARE."
+                )
+        else:
+            try:
+                csrf_secret = request.COOKIES[settings.CSRF_COOKIE_NAME]
+            except KeyError:
+                csrf_secret = None
+            else:
+                # This can raise InvalidTokenFormat.
+                _check_token_format(csrf_secret)
+        if csrf_secret is None:
+            return None
+        # Django versions before 4.0 masked the secret before storing.
+        if len(csrf_secret) == CSRF_TOKEN_LENGTH:
+            csrf_secret = _unmask_cipher_token(csrf_secret)
+        return csrf_secret
+
+    def _set_csrf_cookie(self, request, response):
+        if settings.CSRF_USE_SESSIONS:
+            if request.session.get(CSRF_SESSION_KEY) != request.META["CSRF_COOKIE"]:
+                request.session[CSRF_SESSION_KEY] = request.META["CSRF_COOKIE"]
+        else:
+            response.set_cookie(
+                settings.CSRF_COOKIE_NAME,
+                request.META["CSRF_COOKIE"],
+                max_age=settings.CSRF_COOKIE_AGE,
+                domain=settings.CSRF_COOKIE_DOMAIN,
+                path=settings.CSRF_COOKIE_PATH,
+                secure=settings.CSRF_COOKIE_SECURE,
+                httponly=settings.CSRF_COOKIE_HTTPONLY,
+                samesite=settings.CSRF_COOKIE_SAMESITE,
+            )
+            # Set the Vary header since content varies with the CSRF cookie.
+            patch_vary_headers(response, ("Cookie",))
+
+    def _origin_verified(self, request):
+        request_origin = request.META["HTTP_ORIGIN"]
+        try:
+            good_host = request.get_host()
+        except DisallowedHost:
+            pass
+        else:
+            good_origin = "%s://%s" % (
+                "https" if request.is_secure() else "http",
+                good_host,
+            )
+            if request_origin == good_origin:
+                return True
+        if request_origin in self.allowed_origins_exact:
+            return True
+        try:
+            parsed_origin = urlparse(request_origin)
+        except ValueError:
+            return False
+        request_scheme = parsed_origin.scheme
+        request_netloc = parsed_origin.netloc
+        return any(
+            is_same_domain(request_netloc, host)
+            for host in self.allowed_origin_subdomains.get(request_scheme, ())
+        )
+
+    def _check_referer(self, request):
+        referer = request.META.get("HTTP_REFERER")
+        if referer is None:
+            raise RejectRequest(REASON_NO_REFERER)
+
+        try:
+            referer = urlparse(referer)
+        except ValueError:
+            raise RejectRequest(REASON_MALFORMED_REFERER)
+
+        # Make sure we have a valid URL for Referer.
+        if "" in (referer.scheme, referer.netloc):
+            raise RejectRequest(REASON_MALFORMED_REFERER)
+
+        # Ensure that our Referer is also secure.
+        if referer.scheme != "https":
+            raise RejectRequest(REASON_INSECURE_REFERER)
+
+        if any(
+            is_same_domain(referer.netloc, host)
+            for host in self.csrf_trusted_origins_hosts
+        ):
+            return
+        # Allow matching the configured cookie domain.
+        good_referer = (
+            settings.SESSION_COOKIE_DOMAIN
+            if settings.CSRF_USE_SESSIONS
+            else settings.CSRF_COOKIE_DOMAIN
+        )
+        if good_referer is None:
+            # If no cookie domain is configured, allow matching the current
+            # host:port exactly if it's permitted by ALLOWED_HOSTS.
+            try:
+                # request.get_host() includes the port.
+                good_referer = request.get_host()
+            except DisallowedHost:
+                raise RejectRequest(REASON_BAD_REFERER % referer.geturl())
+        else:
+            server_port = request.get_port()
+            if server_port not in ("443", "80"):
+                good_referer = "%s:%s" % (good_referer, server_port)
+
+        if not is_same_domain(referer.netloc, good_referer):
+            raise RejectRequest(REASON_BAD_REFERER % referer.geturl())
+
+    def _bad_token_message(self, reason, token_source):
+        if token_source != "POST":
+            # Assume it is a settings.CSRF_HEADER_NAME value.
+            header_name = HttpHeaders.parse_header_name(token_source)
+            token_source = f"the {header_name!r} HTTP header"
+        return f"CSRF token from {token_source} {reason}."
+
+    def _check_token(self, request):
+        # Access csrf_secret via self._get_secret() as rotate_token() may have
+        # been called by an authentication middleware during the
+        # process_request() phase.
+        try:
+            csrf_secret = self._get_secret(request)
+        except InvalidTokenFormat as exc:
+            raise RejectRequest(f"CSRF cookie {exc.reason}.")
+
+        if csrf_secret is None:
+            # No CSRF cookie. For POST requests, we insist on a CSRF cookie,
+            # and in this way we can avoid all CSRF attacks, including login
+            # CSRF.
+            raise RejectRequest(REASON_NO_CSRF_COOKIE)
+
+        # Check non-cookie token for match.
+        request_csrf_token = ""
+        if request.method == "POST":
+            try:
+                request_csrf_token = request.POST.get("csrfmiddlewaretoken", "")
+            except UnreadablePostError:
+                # Handle a broken connection before we've completed reading the
+                # POST data. process_view shouldn't raise any exceptions, so
+                # we'll ignore and serve the user a 403 (assuming they're still
+                # listening, which they probably aren't because of the error).
+                pass
+
+        if request_csrf_token == "":
+            # Fall back to X-CSRFToken, to make things easier for AJAX, and
+            # possible for PUT/DELETE.
+            try:
+                # This can have length CSRF_SECRET_LENGTH or CSRF_TOKEN_LENGTH,
+                # depending on whether the client obtained the token from
+                # the DOM or the cookie (and if the cookie, whether the cookie
+                # was masked or unmasked).
+                request_csrf_token = request.META[settings.CSRF_HEADER_NAME]
+            except KeyError:
+                raise RejectRequest(REASON_CSRF_TOKEN_MISSING)
+            token_source = settings.CSRF_HEADER_NAME
+        else:
+            token_source = "POST"
+
+        try:
+            _check_token_format(request_csrf_token)
+        except InvalidTokenFormat as exc:
+            reason = self._bad_token_message(exc.reason, token_source)
+            raise RejectRequest(reason)
+
+        if not _does_token_match(request_csrf_token, csrf_secret):
+            reason = self._bad_token_message("incorrect", token_source)
+            raise RejectRequest(reason)
+
+    def process_request(self, request):
+        try:
+            csrf_secret = self._get_secret(request)
+        except InvalidTokenFormat:
+            _add_new_csrf_cookie(request)
+        else:
+            if csrf_secret is not None:
+                # Use the same secret next time. If the secret was originally
+                # masked, this also causes it to be replaced with the unmasked
+                # form, but only in cases where the secret is already getting
+                # saved anyways.
+                request.META["CSRF_COOKIE"] = csrf_secret
+
+    def process_view(self, request, callback, callback_args, callback_kwargs):
+        if getattr(request, "csrf_processing_done", False):
+            return None
+
+        # Wait until request.META["CSRF_COOKIE"] has been manipulated before
+        # bailing out, so that get_token still works
+        if getattr(callback, "csrf_exempt", False):
+            return None
+
+        # Assume that anything not defined as 'safe' by RFC 9110 needs protection
+        if request.method in ("GET", "HEAD", "OPTIONS", "TRACE"):
+            return self._accept(request)
+
+        if getattr(request, "_dont_enforce_csrf_checks", False):
+            # Mechanism to turn off CSRF checks for test suite. It comes after
+            # the creation of CSRF cookies, so that everything else continues
+            # to work exactly the same (e.g. cookies are sent, etc.), but
+            # before any branches that call the _reject method.
+            return self._accept(request)
+
+        # Reject the request if the Origin header doesn't match an allowed
+        # value.
+        if "HTTP_ORIGIN" in request.META:
+            if not self._origin_verified(request):
+                return self._reject(
+                    request, REASON_BAD_ORIGIN % request.META["HTTP_ORIGIN"]
+                )
+        elif request.is_secure():
+            # If the Origin header wasn't provided, reject HTTPS requests if
+            # the Referer header doesn't match an allowed value.
+            #
+            # Suppose user visits http://example.com/
+            # An active network attacker (man-in-the-middle, MITM) sends a
+            # POST form that targets https://example.com/detonate-bomb/ and
+            # submits it via JavaScript.
+            #
+            # The attacker will need to provide a CSRF cookie and token, but
+            # that's no problem for a MITM and the session-independent secret
+            # we're using. So the MITM can circumvent the CSRF protection. This
+            # is true for any HTTP connection, but anyone using HTTPS expects
+            # better! For this reason, for https://example.com/ we need
+            # additional protection that treats http://example.com/ as
+            # completely untrusted. Under HTTPS, Barth et al. found that the
+            # Referer header is missing for same-domain requests in only about
+            # 0.2% of cases or less, so we can use strict Referer checking.
+            try:
+                self._check_referer(request)
+            except RejectRequest as exc:
+                return self._reject(request, exc.reason)
+
+        try:
+            self._check_token(request)
+        except RejectRequest as exc:
+            return self._reject(request, exc.reason)
+
+        return self._accept(request)
+
+    def process_response(self, request, response):
+        if request.META.get("CSRF_COOKIE_NEEDS_UPDATE"):
+            self._set_csrf_cookie(request, response)
+            # Unset the flag to prevent _set_csrf_cookie() from being
+            # unnecessarily called again in process_response() by other
+            # instances of CsrfViewMiddleware. This can happen e.g. when both a
+            # decorator and middleware are used. However,
+            # CSRF_COOKIE_NEEDS_UPDATE is still respected in subsequent calls
+            # e.g. in case rotate_token() is called in process_response() later
+            # by custom middleware but before those subsequent calls.
+            request.META["CSRF_COOKIE_NEEDS_UPDATE"] = False
+
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/gzip.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/gzip.py
new file mode 100644
index 00000000..45be6ccb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/gzip.py
@@ -0,0 +1,74 @@
+from django.utils.cache import patch_vary_headers
+from django.utils.deprecation import MiddlewareMixin
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.text import compress_sequence, compress_string
+
+re_accepts_gzip = _lazy_re_compile(r"\bgzip\b")
+
+
+class GZipMiddleware(MiddlewareMixin):
+    """
+    Compress content if the browser allows gzip compression.
+    Set the Vary header accordingly, so that caches will base their storage
+    on the Accept-Encoding header.
+    """
+
+    max_random_bytes = 100
+
+    def process_response(self, request, response):
+        # It's not worth attempting to compress really short responses.
+        if not response.streaming and len(response.content) < 200:
+            return response
+
+        # Avoid gzipping if we've already got a content-encoding.
+        if response.has_header("Content-Encoding"):
+            return response
+
+        patch_vary_headers(response, ("Accept-Encoding",))
+
+        ae = request.META.get("HTTP_ACCEPT_ENCODING", "")
+        if not re_accepts_gzip.search(ae):
+            return response
+
+        if response.streaming:
+            if response.is_async:
+                # pull to lexical scope to capture fixed reference in case
+                # streaming_content is set again later.
+                orignal_iterator = response.streaming_content
+
+                async def gzip_wrapper():
+                    async for chunk in orignal_iterator:
+                        yield compress_string(
+                            chunk,
+                            max_random_bytes=self.max_random_bytes,
+                        )
+
+                response.streaming_content = gzip_wrapper()
+            else:
+                response.streaming_content = compress_sequence(
+                    response.streaming_content,
+                    max_random_bytes=self.max_random_bytes,
+                )
+            # Delete the `Content-Length` header for streaming content, because
+            # we won't know the compressed size until we stream it.
+            del response.headers["Content-Length"]
+        else:
+            # Return the compressed content only if it's actually shorter.
+            compressed_content = compress_string(
+                response.content,
+                max_random_bytes=self.max_random_bytes,
+            )
+            if len(compressed_content) >= len(response.content):
+                return response
+            response.content = compressed_content
+            response.headers["Content-Length"] = str(len(response.content))
+
+        # If there is a strong ETag, make it weak to fulfill the requirements
+        # of RFC 9110 Section 8.8.1 while also allowing conditional request
+        # matches on ETags.
+        etag = response.get("ETag")
+        if etag and etag.startswith('"'):
+            response.headers["ETag"] = "W/" + etag
+        response.headers["Content-Encoding"] = "gzip"
+
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/http.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/http.py
new file mode 100644
index 00000000..84c5466b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/http.py
@@ -0,0 +1,40 @@
+from django.utils.cache import cc_delim_re, get_conditional_response, set_response_etag
+from django.utils.deprecation import MiddlewareMixin
+from django.utils.http import parse_http_date_safe
+
+
+class ConditionalGetMiddleware(MiddlewareMixin):
+    """
+    Handle conditional GET operations. If the response has an ETag or
+    Last-Modified header and the request has If-None-Match or If-Modified-Since,
+    replace the response with HttpNotModified. Add an ETag header if needed.
+    """
+
+    def process_response(self, request, response):
+        # It's too late to prevent an unsafe request with a 412 response, and
+        # for a HEAD request, the response body is always empty so computing
+        # an accurate ETag isn't possible.
+        if request.method != "GET":
+            return response
+
+        if self.needs_etag(response) and not response.has_header("ETag"):
+            set_response_etag(response)
+
+        etag = response.get("ETag")
+        last_modified = response.get("Last-Modified")
+        last_modified = last_modified and parse_http_date_safe(last_modified)
+
+        if etag or last_modified:
+            return get_conditional_response(
+                request,
+                etag=etag,
+                last_modified=last_modified,
+                response=response,
+            )
+
+        return response
+
+    def needs_etag(self, response):
+        """Return True if an ETag header should be added to response."""
+        cache_control_headers = cc_delim_re.split(response.get("Cache-Control", ""))
+        return all(header.lower() != "no-store" for header in cache_control_headers)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/locale.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/locale.py
new file mode 100644
index 00000000..71db230d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/locale.py
@@ -0,0 +1,80 @@
+from django.conf import settings
+from django.conf.urls.i18n import is_language_prefix_patterns_used
+from django.http import HttpResponseRedirect
+from django.urls import get_script_prefix, is_valid_path
+from django.utils import translation
+from django.utils.cache import patch_vary_headers
+from django.utils.deprecation import MiddlewareMixin
+
+
+class LocaleMiddleware(MiddlewareMixin):
+    """
+    Parse a request and decide what translation object to install in the
+    current thread context. This allows pages to be dynamically translated to
+    the language the user desires (if the language is available).
+    """
+
+    response_redirect_class = HttpResponseRedirect
+
+    def process_request(self, request):
+        urlconf = getattr(request, "urlconf", settings.ROOT_URLCONF)
+        (
+            i18n_patterns_used,
+            prefixed_default_language,
+        ) = is_language_prefix_patterns_used(urlconf)
+        language = translation.get_language_from_request(
+            request, check_path=i18n_patterns_used
+        )
+        language_from_path = translation.get_language_from_path(request.path_info)
+        if (
+            not language_from_path
+            and i18n_patterns_used
+            and not prefixed_default_language
+        ):
+            language = settings.LANGUAGE_CODE
+        translation.activate(language)
+        request.LANGUAGE_CODE = translation.get_language()
+
+    def process_response(self, request, response):
+        language = translation.get_language()
+        language_from_path = translation.get_language_from_path(request.path_info)
+        urlconf = getattr(request, "urlconf", settings.ROOT_URLCONF)
+        (
+            i18n_patterns_used,
+            prefixed_default_language,
+        ) = is_language_prefix_patterns_used(urlconf)
+
+        if (
+            response.status_code == 404
+            and not language_from_path
+            and i18n_patterns_used
+            and prefixed_default_language
+        ):
+            # Maybe the language code is missing in the URL? Try adding the
+            # language prefix and redirecting to that URL.
+            language_path = "/%s%s" % (language, request.path_info)
+            path_valid = is_valid_path(language_path, urlconf)
+            path_needs_slash = not path_valid and (
+                settings.APPEND_SLASH
+                and not language_path.endswith("/")
+                and is_valid_path("%s/" % language_path, urlconf)
+            )
+
+            if path_valid or path_needs_slash:
+                script_prefix = get_script_prefix()
+                # Insert language after the script prefix and before the
+                # rest of the URL
+                language_url = request.get_full_path(
+                    force_append_slash=path_needs_slash
+                ).replace(script_prefix, "%s%s/" % (script_prefix, language), 1)
+                # Redirect to the language-specific URL as detected by
+                # get_language_from_request(). HTTP caches may cache this
+                # redirect, so add the Vary header.
+                redirect = self.response_redirect_class(language_url)
+                patch_vary_headers(redirect, ("Accept-Language", "Cookie"))
+                return redirect
+
+        if not (i18n_patterns_used and language_from_path):
+            patch_vary_headers(response, ("Accept-Language",))
+        response.headers.setdefault("Content-Language", language)
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/security.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/security.py
new file mode 100644
index 00000000..52c81e34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/middleware/security.py
@@ -0,0 +1,66 @@
+import re
+
+from django.conf import settings
+from django.http import HttpResponsePermanentRedirect
+from django.utils.deprecation import MiddlewareMixin
+
+
+class SecurityMiddleware(MiddlewareMixin):
+    def __init__(self, get_response):
+        super().__init__(get_response)
+        self.sts_seconds = settings.SECURE_HSTS_SECONDS
+        self.sts_include_subdomains = settings.SECURE_HSTS_INCLUDE_SUBDOMAINS
+        self.sts_preload = settings.SECURE_HSTS_PRELOAD
+        self.content_type_nosniff = settings.SECURE_CONTENT_TYPE_NOSNIFF
+        self.redirect = settings.SECURE_SSL_REDIRECT
+        self.redirect_host = settings.SECURE_SSL_HOST
+        self.redirect_exempt = [re.compile(r) for r in settings.SECURE_REDIRECT_EXEMPT]
+        self.referrer_policy = settings.SECURE_REFERRER_POLICY
+        self.cross_origin_opener_policy = settings.SECURE_CROSS_ORIGIN_OPENER_POLICY
+
+    def process_request(self, request):
+        path = request.path.lstrip("/")
+        if (
+            self.redirect
+            and not request.is_secure()
+            and not any(pattern.search(path) for pattern in self.redirect_exempt)
+        ):
+            host = self.redirect_host or request.get_host()
+            return HttpResponsePermanentRedirect(
+                "https://%s%s" % (host, request.get_full_path())
+            )
+
+    def process_response(self, request, response):
+        if (
+            self.sts_seconds
+            and request.is_secure()
+            and "Strict-Transport-Security" not in response
+        ):
+            sts_header = "max-age=%s" % self.sts_seconds
+            if self.sts_include_subdomains:
+                sts_header += "; includeSubDomains"
+            if self.sts_preload:
+                sts_header += "; preload"
+            response.headers["Strict-Transport-Security"] = sts_header
+
+        if self.content_type_nosniff:
+            response.headers.setdefault("X-Content-Type-Options", "nosniff")
+
+        if self.referrer_policy:
+            # Support a comma-separated string or iterable of values to allow
+            # fallback.
+            response.headers.setdefault(
+                "Referrer-Policy",
+                ",".join(
+                    [v.strip() for v in self.referrer_policy.split(",")]
+                    if isinstance(self.referrer_policy, str)
+                    else self.referrer_policy
+                ),
+            )
+
+        if self.cross_origin_opener_policy:
+            response.setdefault(
+                "Cross-Origin-Opener-Policy",
+                self.cross_origin_opener_policy,
+            )
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/shortcuts.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/shortcuts.py
new file mode 100644
index 00000000..b8b5be1f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/shortcuts.py
@@ -0,0 +1,190 @@
+"""
+This module collects helper functions and classes that "span" multiple levels
+of MVC. In other words, these functions/classes introduce controlled coupling
+for convenience's sake.
+"""
+
+from django.http import (
+    Http404,
+    HttpResponse,
+    HttpResponsePermanentRedirect,
+    HttpResponseRedirect,
+)
+from django.template import loader
+from django.urls import NoReverseMatch, reverse
+from django.utils.functional import Promise
+
+
+def render(
+    request, template_name, context=None, content_type=None, status=None, using=None
+):
+    """
+    Return an HttpResponse whose content is filled with the result of calling
+    django.template.loader.render_to_string() with the passed arguments.
+    """
+    content = loader.render_to_string(template_name, context, request, using=using)
+    return HttpResponse(content, content_type, status)
+
+
+def redirect(to, *args, permanent=False, **kwargs):
+    """
+    Return an HttpResponseRedirect to the appropriate URL for the arguments
+    passed.
+
+    The arguments could be:
+
+        * A model: the model's `get_absolute_url()` function will be called.
+
+        * A view name, possibly with arguments: `urls.reverse()` will be used
+          to reverse-resolve the name.
+
+        * A URL, which will be used as-is for the redirect location.
+
+    Issues a temporary redirect by default; pass permanent=True to issue a
+    permanent redirect.
+    """
+    redirect_class = (
+        HttpResponsePermanentRedirect if permanent else HttpResponseRedirect
+    )
+    return redirect_class(resolve_url(to, *args, **kwargs))
+
+
+def _get_queryset(klass):
+    """
+    Return a QuerySet or a Manager.
+    Duck typing in action: any class with a `get()` method (for
+    get_object_or_404) or a `filter()` method (for get_list_or_404) might do
+    the job.
+    """
+    # If it is a model class or anything else with ._default_manager
+    if hasattr(klass, "_default_manager"):
+        return klass._default_manager.all()
+    return klass
+
+
+def get_object_or_404(klass, *args, **kwargs):
+    """
+    Use get() to return an object, or raise an Http404 exception if the object
+    does not exist.
+
+    klass may be a Model, Manager, or QuerySet object. All other passed
+    arguments and keyword arguments are used in the get() query.
+
+    Like with QuerySet.get(), MultipleObjectsReturned is raised if more than
+    one object is found.
+    """
+    queryset = _get_queryset(klass)
+    if not hasattr(queryset, "get"):
+        klass__name = (
+            klass.__name__ if isinstance(klass, type) else klass.__class__.__name__
+        )
+        raise ValueError(
+            "First argument to get_object_or_404() must be a Model, Manager, "
+            "or QuerySet, not '%s'." % klass__name
+        )
+    try:
+        return queryset.get(*args, **kwargs)
+    except queryset.model.DoesNotExist:
+        raise Http404(
+            "No %s matches the given query." % queryset.model._meta.object_name
+        )
+
+
+async def aget_object_or_404(klass, *args, **kwargs):
+    """See get_object_or_404()."""
+    queryset = _get_queryset(klass)
+    if not hasattr(queryset, "aget"):
+        klass__name = (
+            klass.__name__ if isinstance(klass, type) else klass.__class__.__name__
+        )
+        raise ValueError(
+            "First argument to aget_object_or_404() must be a Model, Manager, or "
+            f"QuerySet, not '{klass__name}'."
+        )
+    try:
+        return await queryset.aget(*args, **kwargs)
+    except queryset.model.DoesNotExist:
+        raise Http404(f"No {queryset.model._meta.object_name} matches the given query.")
+
+
+def get_list_or_404(klass, *args, **kwargs):
+    """
+    Use filter() to return a list of objects, or raise an Http404 exception if
+    the list is empty.
+
+    klass may be a Model, Manager, or QuerySet object. All other passed
+    arguments and keyword arguments are used in the filter() query.
+    """
+    queryset = _get_queryset(klass)
+    if not hasattr(queryset, "filter"):
+        klass__name = (
+            klass.__name__ if isinstance(klass, type) else klass.__class__.__name__
+        )
+        raise ValueError(
+            "First argument to get_list_or_404() must be a Model, Manager, or "
+            "QuerySet, not '%s'." % klass__name
+        )
+    obj_list = list(queryset.filter(*args, **kwargs))
+    if not obj_list:
+        raise Http404(
+            "No %s matches the given query." % queryset.model._meta.object_name
+        )
+    return obj_list
+
+
+async def aget_list_or_404(klass, *args, **kwargs):
+    """See get_list_or_404()."""
+    queryset = _get_queryset(klass)
+    if not hasattr(queryset, "filter"):
+        klass__name = (
+            klass.__name__ if isinstance(klass, type) else klass.__class__.__name__
+        )
+        raise ValueError(
+            "First argument to aget_list_or_404() must be a Model, Manager, or "
+            f"QuerySet, not '{klass__name}'."
+        )
+    obj_list = [obj async for obj in queryset.filter(*args, **kwargs)]
+    if not obj_list:
+        raise Http404(f"No {queryset.model._meta.object_name} matches the given query.")
+    return obj_list
+
+
+def resolve_url(to, *args, **kwargs):
+    """
+    Return a URL appropriate for the arguments passed.
+
+    The arguments could be:
+
+        * A model: the model's `get_absolute_url()` function will be called.
+
+        * A view name, possibly with arguments: `urls.reverse()` will be used
+          to reverse-resolve the name.
+
+        * A URL, which will be returned as-is.
+    """
+    # If it's a model, use get_absolute_url()
+    if hasattr(to, "get_absolute_url"):
+        return to.get_absolute_url()
+
+    if isinstance(to, Promise):
+        # Expand the lazy instance, as it can cause issues when it is passed
+        # further to some Python functions like urlparse.
+        to = str(to)
+
+    # Handle relative URLs
+    if isinstance(to, str) and to.startswith(("./", "../")):
+        return to
+
+    # Next try a reverse URL resolution.
+    try:
+        return reverse(to, args=args, kwargs=kwargs)
+    except NoReverseMatch:
+        # If this is a callable, re-raise.
+        if callable(to):
+            raise
+        # If this doesn't "feel" like a URL, re-raise.
+        if "/" not in to and "." not in to:
+            raise
+
+    # Finally, fall back and assume it's a URL
+    return to
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/__init__.py
new file mode 100644
index 00000000..adb431c0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/__init__.py
@@ -0,0 +1,75 @@
+"""
+Django's support for templates.
+
+The django.template namespace contains two independent subsystems:
+
+1. Multiple Template Engines: support for pluggable template backends,
+   built-in backends and backend-independent APIs
+2. Django Template Language: Django's own template engine, including its
+   built-in loaders, context processors, tags and filters.
+
+Ideally these subsystems would be implemented in distinct packages. However
+keeping them together made the implementation of Multiple Template Engines
+less disruptive .
+
+Here's a breakdown of which modules belong to which subsystem.
+
+Multiple Template Engines:
+
+- django.template.backends.*
+- django.template.loader
+- django.template.response
+
+Django Template Language:
+
+- django.template.base
+- django.template.context
+- django.template.context_processors
+- django.template.loaders.*
+- django.template.debug
+- django.template.defaultfilters
+- django.template.defaulttags
+- django.template.engine
+- django.template.loader_tags
+- django.template.smartif
+
+Shared:
+
+- django.template.utils
+
+"""
+
+# Multiple Template Engines
+
+from .engine import Engine
+from .utils import EngineHandler
+
+engines = EngineHandler()
+
+__all__ = ("Engine", "engines")
+
+
+# Django Template Language
+
+# Public exceptions
+from .base import VariableDoesNotExist  # NOQA isort:skip
+from .context import Context, ContextPopException, RequestContext  # NOQA isort:skip
+from .exceptions import TemplateDoesNotExist, TemplateSyntaxError  # NOQA isort:skip
+
+# Template parts
+from .base import (  # NOQA isort:skip
+    Node,
+    NodeList,
+    Origin,
+    Template,
+    Variable,
+)
+
+# Library management
+from .library import Library  # NOQA isort:skip
+
+# Import the .autoreload module to trigger the registrations of signals.
+from . import autoreload  # NOQA isort:skip
+
+
+__all__ += ("Template", "Context", "RequestContext")
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/autoreload.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/autoreload.py
new file mode 100644
index 00000000..adf463bb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/autoreload.py
@@ -0,0 +1,61 @@
+from pathlib import Path
+
+from django.dispatch import receiver
+from django.template import engines
+from django.template.backends.django import DjangoTemplates
+from django.utils._os import to_path
+from django.utils.autoreload import autoreload_started, file_changed, is_django_path
+
+
+def get_template_directories():
+    # Iterate through each template backend and find
+    # any template_loader that has a 'get_dirs' method.
+    # Collect the directories, filtering out Django templates.
+    cwd = Path.cwd()
+    items = set()
+    for backend in engines.all():
+        if not isinstance(backend, DjangoTemplates):
+            continue
+
+        items.update(cwd / to_path(dir) for dir in backend.engine.dirs if dir)
+
+        for loader in backend.engine.template_loaders:
+            if not hasattr(loader, "get_dirs"):
+                continue
+            items.update(
+                cwd / to_path(directory)
+                for directory in loader.get_dirs()
+                if directory and not is_django_path(directory)
+            )
+    return items
+
+
+def reset_loaders():
+    from django.forms.renderers import get_default_renderer
+
+    for backend in engines.all():
+        if not isinstance(backend, DjangoTemplates):
+            continue
+        for loader in backend.engine.template_loaders:
+            loader.reset()
+
+    backend = getattr(get_default_renderer(), "engine", None)
+    if isinstance(backend, DjangoTemplates):
+        for loader in backend.engine.template_loaders:
+            loader.reset()
+
+
+@receiver(autoreload_started, dispatch_uid="template_loaders_watch_changes")
+def watch_for_template_changes(sender, **kwargs):
+    for directory in get_template_directories():
+        sender.watch_dir(directory, "**/*")
+
+
+@receiver(file_changed, dispatch_uid="template_loaders_file_changed")
+def template_changed(sender, file_path, **kwargs):
+    if file_path.suffix == ".py":
+        return
+    for template_dir in get_template_directories():
+        if template_dir in file_path.parents:
+            reset_loaders()
+            return True
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/base.py
new file mode 100644
index 00000000..991ce64c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/base.py
@@ -0,0 +1,80 @@
+from django.core.exceptions import ImproperlyConfigured, SuspiciousFileOperation
+from django.template.utils import get_app_template_dirs
+from django.utils._os import safe_join
+from django.utils.functional import cached_property
+
+
+class BaseEngine:
+    # Core methods: engines have to provide their own implementation
+    #               (except for from_string which is optional).
+
+    def __init__(self, params):
+        """
+        Initialize the template engine.
+
+        `params` is a dict of configuration settings.
+        """
+        params = params.copy()
+        self.name = params.pop("NAME")
+        self.dirs = list(params.pop("DIRS"))
+        self.app_dirs = params.pop("APP_DIRS")
+        if params:
+            raise ImproperlyConfigured(
+                "Unknown parameters: {}".format(", ".join(params))
+            )
+
+    @property
+    def app_dirname(self):
+        raise ImproperlyConfigured(
+            "{} doesn't support loading templates from installed "
+            "applications.".format(self.__class__.__name__)
+        )
+
+    def from_string(self, template_code):
+        """
+        Create and return a template for the given source code.
+
+        This method is optional.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseEngine should provide a from_string() method"
+        )
+
+    def get_template(self, template_name):
+        """
+        Load and return a template for the given name.
+
+        Raise TemplateDoesNotExist if no such template exists.
+        """
+        raise NotImplementedError(
+            "subclasses of BaseEngine must provide a get_template() method"
+        )
+
+    # Utility methods: they are provided to minimize code duplication and
+    #                  security issues in third-party backends.
+
+    @cached_property
+    def template_dirs(self):
+        """
+        Return a list of directories to search for templates.
+        """
+        # Immutable return value because it's cached and shared by callers.
+        template_dirs = tuple(self.dirs)
+        if self.app_dirs:
+            template_dirs += get_app_template_dirs(self.app_dirname)
+        return template_dirs
+
+    def iter_template_filenames(self, template_name):
+        """
+        Iterate over candidate files for template_name.
+
+        Ignore files that don't lie inside configured template dirs to avoid
+        directory traversal attacks.
+        """
+        for template_dir in self.template_dirs:
+            try:
+                yield safe_join(template_dir, template_name)
+            except SuspiciousFileOperation:
+                # The joined path was located outside of this template_dir
+                # (it might be inside another one, so this isn't fatal).
+                pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/django.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/django.py
new file mode 100644
index 00000000..ba561bba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/django.py
@@ -0,0 +1,136 @@
+from importlib import import_module
+from pkgutil import walk_packages
+
+from django.apps import apps
+from django.conf import settings
+from django.template import TemplateDoesNotExist
+from django.template.context import make_context
+from django.template.engine import Engine
+from django.template.library import InvalidTemplateLibrary
+
+from .base import BaseEngine
+
+
+class DjangoTemplates(BaseEngine):
+    app_dirname = "templates"
+
+    def __init__(self, params):
+        params = params.copy()
+        options = params.pop("OPTIONS").copy()
+        options.setdefault("autoescape", True)
+        options.setdefault("debug", settings.DEBUG)
+        options.setdefault("file_charset", "utf-8")
+        libraries = options.get("libraries", {})
+        options["libraries"] = self.get_templatetag_libraries(libraries)
+        super().__init__(params)
+        self.engine = Engine(self.dirs, self.app_dirs, **options)
+
+    def from_string(self, template_code):
+        return Template(self.engine.from_string(template_code), self)
+
+    def get_template(self, template_name):
+        try:
+            return Template(self.engine.get_template(template_name), self)
+        except TemplateDoesNotExist as exc:
+            reraise(exc, self)
+
+    def get_templatetag_libraries(self, custom_libraries):
+        """
+        Return a collation of template tag libraries from installed
+        applications and the supplied custom_libraries argument.
+        """
+        libraries = get_installed_libraries()
+        libraries.update(custom_libraries)
+        return libraries
+
+
+class Template:
+    def __init__(self, template, backend):
+        self.template = template
+        self.backend = backend
+
+    @property
+    def origin(self):
+        return self.template.origin
+
+    def render(self, context=None, request=None):
+        context = make_context(
+            context, request, autoescape=self.backend.engine.autoescape
+        )
+        try:
+            return self.template.render(context)
+        except TemplateDoesNotExist as exc:
+            reraise(exc, self.backend)
+
+
+def copy_exception(exc, backend=None):
+    """
+    Create a new TemplateDoesNotExist. Preserve its declared attributes and
+    template debug data but discard __traceback__, __context__, and __cause__
+    to make this object suitable for keeping around (in a cache, for example).
+    """
+    backend = backend or exc.backend
+    new = exc.__class__(*exc.args, tried=exc.tried, backend=backend, chain=exc.chain)
+    if hasattr(exc, "template_debug"):
+        new.template_debug = exc.template_debug
+    return new
+
+
+def reraise(exc, backend):
+    """
+    Reraise TemplateDoesNotExist while maintaining template debug information.
+    """
+    new = copy_exception(exc, backend)
+    raise new from exc
+
+
+def get_template_tag_modules():
+    """
+    Yield (module_name, module_path) pairs for all installed template tag
+    libraries.
+    """
+    candidates = ["django.templatetags"]
+    candidates.extend(
+        f"{app_config.name}.templatetags" for app_config in apps.get_app_configs()
+    )
+
+    for candidate in candidates:
+        try:
+            pkg = import_module(candidate)
+        except ImportError:
+            # No templatetags package defined. This is safe to ignore.
+            continue
+
+        if hasattr(pkg, "__path__"):
+            for name in get_package_libraries(pkg):
+                yield name.removeprefix(candidate).lstrip("."), name
+
+
+def get_installed_libraries():
+    """
+    Return the built-in template tag libraries and those from installed
+    applications. Libraries are stored in a dictionary where keys are the
+    individual module names, not the full module paths. Example:
+    django.templatetags.i18n is stored as i18n.
+    """
+    return {
+        module_name: full_name for module_name, full_name in get_template_tag_modules()
+    }
+
+
+def get_package_libraries(pkg):
+    """
+    Recursively yield template tag libraries defined in submodules of a
+    package.
+    """
+    for entry in walk_packages(pkg.__path__, pkg.__name__ + "."):
+        try:
+            module = import_module(entry[1])
+        except ImportError as e:
+            raise InvalidTemplateLibrary(
+                "Invalid template library specified. ImportError raised when "
+                "trying to load '%s': %s" % (entry[1], e)
+            ) from e
+
+        if hasattr(module, "register"):
+            yield entry[1]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/dummy.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/dummy.py
new file mode 100644
index 00000000..cf0c0012
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/dummy.py
@@ -0,0 +1,51 @@
+import string
+
+from django.core.exceptions import ImproperlyConfigured
+from django.template import Origin, TemplateDoesNotExist
+from django.utils.html import conditional_escape
+
+from .base import BaseEngine
+from .utils import csrf_input_lazy, csrf_token_lazy
+
+
+class TemplateStrings(BaseEngine):
+    app_dirname = "template_strings"
+
+    def __init__(self, params):
+        params = params.copy()
+        options = params.pop("OPTIONS").copy()
+        if options:
+            raise ImproperlyConfigured("Unknown options: {}".format(", ".join(options)))
+        super().__init__(params)
+
+    def from_string(self, template_code):
+        return Template(template_code)
+
+    def get_template(self, template_name):
+        tried = []
+        for template_file in self.iter_template_filenames(template_name):
+            try:
+                with open(template_file, encoding="utf-8") as fp:
+                    template_code = fp.read()
+            except FileNotFoundError:
+                tried.append(
+                    (
+                        Origin(template_file, template_name, self),
+                        "Source does not exist",
+                    )
+                )
+            else:
+                return Template(template_code)
+        raise TemplateDoesNotExist(template_name, tried=tried, backend=self)
+
+
+class Template(string.Template):
+    def render(self, context=None, request=None):
+        if context is None:
+            context = {}
+        else:
+            context = {k: conditional_escape(v) for k, v in context.items()}
+        if request is not None:
+            context["csrf_input"] = csrf_input_lazy(request)
+            context["csrf_token"] = csrf_token_lazy(request)
+        return self.safe_substitute(context)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/jinja2.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/jinja2.py
new file mode 100644
index 00000000..83cc1361
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/jinja2.py
@@ -0,0 +1,125 @@
+from pathlib import Path
+
+import jinja2
+
+from django.conf import settings
+from django.template import TemplateDoesNotExist, TemplateSyntaxError
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+
+from .base import BaseEngine
+from .utils import csrf_input_lazy, csrf_token_lazy
+
+
+class Jinja2(BaseEngine):
+    app_dirname = "jinja2"
+
+    def __init__(self, params):
+        params = params.copy()
+        options = params.pop("OPTIONS").copy()
+        super().__init__(params)
+
+        self.context_processors = options.pop("context_processors", [])
+
+        environment = options.pop("environment", "jinja2.Environment")
+        environment_cls = import_string(environment)
+
+        if "loader" not in options:
+            options["loader"] = jinja2.FileSystemLoader(self.template_dirs)
+        options.setdefault("autoescape", True)
+        options.setdefault("auto_reload", settings.DEBUG)
+        options.setdefault(
+            "undefined", jinja2.DebugUndefined if settings.DEBUG else jinja2.Undefined
+        )
+
+        self.env = environment_cls(**options)
+
+    def from_string(self, template_code):
+        return Template(self.env.from_string(template_code), self)
+
+    def get_template(self, template_name):
+        try:
+            return Template(self.env.get_template(template_name), self)
+        except jinja2.TemplateNotFound as exc:
+            raise TemplateDoesNotExist(exc.name, backend=self) from exc
+        except jinja2.TemplateSyntaxError as exc:
+            new = TemplateSyntaxError(exc.args)
+            new.template_debug = get_exception_info(exc)
+            raise new from exc
+
+    @cached_property
+    def template_context_processors(self):
+        return [import_string(path) for path in self.context_processors]
+
+
+class Template:
+    def __init__(self, template, backend):
+        self.template = template
+        self.backend = backend
+        self.origin = Origin(
+            name=template.filename,
+            template_name=template.name,
+        )
+
+    def render(self, context=None, request=None):
+        if context is None:
+            context = {}
+        if request is not None:
+            context["request"] = request
+            context["csrf_input"] = csrf_input_lazy(request)
+            context["csrf_token"] = csrf_token_lazy(request)
+            for context_processor in self.backend.template_context_processors:
+                context.update(context_processor(request))
+        try:
+            return self.template.render(context)
+        except jinja2.TemplateSyntaxError as exc:
+            new = TemplateSyntaxError(exc.args)
+            new.template_debug = get_exception_info(exc)
+            raise new from exc
+
+
+class Origin:
+    """
+    A container to hold debug information as described in the template API
+    documentation.
+    """
+
+    def __init__(self, name, template_name):
+        self.name = name
+        self.template_name = template_name
+
+
+def get_exception_info(exception):
+    """
+    Format exception information for display on the debug page using the
+    structure described in the template API documentation.
+    """
+    context_lines = 10
+    lineno = exception.lineno
+    source = exception.source
+    if source is None:
+        exception_file = Path(exception.filename)
+        if exception_file.exists():
+            source = exception_file.read_text()
+    if source is not None:
+        lines = list(enumerate(source.strip().split("\n"), start=1))
+        during = lines[lineno - 1][1]
+        total = len(lines)
+        top = max(0, lineno - context_lines - 1)
+        bottom = min(total, lineno + context_lines)
+    else:
+        during = ""
+        lines = []
+        total = top = bottom = 0
+    return {
+        "name": exception.filename,
+        "message": exception.message,
+        "source_lines": lines[top:bottom],
+        "line": lineno,
+        "before": "",
+        "during": during,
+        "after": "",
+        "total": total,
+        "top": top,
+        "bottom": bottom,
+    }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/utils.py
new file mode 100644
index 00000000..880959d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/backends/utils.py
@@ -0,0 +1,15 @@
+from django.middleware.csrf import get_token
+from django.utils.functional import lazy
+from django.utils.html import format_html
+from django.utils.safestring import SafeString
+
+
+def csrf_input(request):
+    return format_html(
+        '<input type="hidden" name="csrfmiddlewaretoken" value="{}">',
+        get_token(request),
+    )
+
+
+csrf_input_lazy = lazy(csrf_input, SafeString, str)
+csrf_token_lazy = lazy(get_token, str)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/base.py
new file mode 100644
index 00000000..f7e4f94f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/base.py
@@ -0,0 +1,1116 @@
+"""
+This is the Django template system.
+
+How it works:
+
+The Lexer.tokenize() method converts a template string (i.e., a string
+containing markup with custom template tags) to tokens, which can be either
+plain text (TokenType.TEXT), variables (TokenType.VAR), or block statements
+(TokenType.BLOCK).
+
+The Parser() class takes a list of tokens in its constructor, and its parse()
+method returns a compiled template -- which is, under the hood, a list of
+Node objects.
+
+Each Node is responsible for creating some sort of output -- e.g. simple text
+(TextNode), variable values in a given context (VariableNode), results of basic
+logic (IfNode), results of looping (ForNode), or anything else. The core Node
+types are TextNode, VariableNode, IfNode and ForNode, but plugin modules can
+define their own custom node types.
+
+Each Node has a render() method, which takes a Context and returns a string of
+the rendered node. For example, the render() method of a Variable Node returns
+the variable's value as a string. The render() method of a ForNode returns the
+rendered output of whatever was inside the loop, recursively.
+
+The Template class is a convenient wrapper that takes care of template
+compilation and rendering.
+
+Usage:
+
+The only thing you should ever use directly in this file is the Template class.
+Create a compiled template object with a template_string, then call render()
+with a context. In the compilation stage, the TemplateSyntaxError exception
+will be raised if the template doesn't have proper syntax.
+
+Sample code:
+
+>>> from django import template
+>>> s = '<html>{% if test %}<h1>{{ varvalue }}</h1>{% endif %}</html>'
+>>> t = template.Template(s)
+
+(t is now a compiled template, and its render() method can be called multiple
+times with multiple contexts)
+
+>>> c = template.Context({'test':True, 'varvalue': 'Hello'})
+>>> t.render(c)
+'<html><h1>Hello</h1></html>'
+>>> c = template.Context({'test':False, 'varvalue': 'Hello'})
+>>> t.render(c)
+'<html></html>'
+"""
+
+import inspect
+import logging
+import re
+from enum import Enum
+
+from django.template.context import BaseContext
+from django.utils.formats import localize
+from django.utils.html import conditional_escape, escape
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.safestring import SafeData, SafeString, mark_safe
+from django.utils.text import get_text_list, smart_split, unescape_string_literal
+from django.utils.timezone import template_localtime
+from django.utils.translation import gettext_lazy, pgettext_lazy
+
+from .exceptions import TemplateSyntaxError
+
+# template syntax constants
+FILTER_SEPARATOR = "|"
+FILTER_ARGUMENT_SEPARATOR = ":"
+VARIABLE_ATTRIBUTE_SEPARATOR = "."
+BLOCK_TAG_START = "{%"
+BLOCK_TAG_END = "%}"
+VARIABLE_TAG_START = "{{"
+VARIABLE_TAG_END = "}}"
+COMMENT_TAG_START = "{#"
+COMMENT_TAG_END = "#}"
+SINGLE_BRACE_START = "{"
+SINGLE_BRACE_END = "}"
+
+# what to report as the origin for templates that come from non-loader sources
+# (e.g. strings)
+UNKNOWN_SOURCE = "<unknown source>"
+
+# Match BLOCK_TAG_*, VARIABLE_TAG_*, and COMMENT_TAG_* tags and capture the
+# entire tag, including start/end delimiters. Using re.compile() is faster
+# than instantiating SimpleLazyObject with _lazy_re_compile().
+tag_re = re.compile(r"({%.*?%}|{{.*?}}|{#.*?#})")
+
+logger = logging.getLogger("django.template")
+
+
+class TokenType(Enum):
+    TEXT = 0
+    VAR = 1
+    BLOCK = 2
+    COMMENT = 3
+
+
+class VariableDoesNotExist(Exception):
+    def __init__(self, msg, params=()):
+        self.msg = msg
+        self.params = params
+
+    def __str__(self):
+        return self.msg % self.params
+
+
+class Origin:
+    def __init__(self, name, template_name=None, loader=None):
+        self.name = name
+        self.template_name = template_name
+        self.loader = loader
+
+    def __str__(self):
+        return self.name
+
+    def __repr__(self):
+        return "<%s name=%r>" % (self.__class__.__qualname__, self.name)
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, Origin)
+            and self.name == other.name
+            and self.loader == other.loader
+        )
+
+    @property
+    def loader_name(self):
+        if self.loader:
+            return "%s.%s" % (
+                self.loader.__module__,
+                self.loader.__class__.__name__,
+            )
+
+
+class Template:
+    def __init__(self, template_string, origin=None, name=None, engine=None):
+        # If Template is instantiated directly rather than from an Engine and
+        # exactly one Django template engine is configured, use that engine.
+        # This is required to preserve backwards-compatibility for direct use
+        # e.g. Template('...').render(Context({...}))
+        if engine is None:
+            from .engine import Engine
+
+            engine = Engine.get_default()
+        if origin is None:
+            origin = Origin(UNKNOWN_SOURCE)
+        self.name = name
+        self.origin = origin
+        self.engine = engine
+        self.source = str(template_string)  # May be lazy.
+        self.nodelist = self.compile_nodelist()
+
+    def __repr__(self):
+        return '<%s template_string="%s...">' % (
+            self.__class__.__qualname__,
+            self.source[:20].replace("\n", ""),
+        )
+
+    def _render(self, context):
+        return self.nodelist.render(context)
+
+    def render(self, context):
+        "Display stage -- can be called many times"
+        with context.render_context.push_state(self):
+            if context.template is None:
+                with context.bind_template(self):
+                    context.template_name = self.name
+                    return self._render(context)
+            else:
+                return self._render(context)
+
+    def compile_nodelist(self):
+        """
+        Parse and compile the template source into a nodelist. If debug
+        is True and an exception occurs during parsing, the exception is
+        annotated with contextual line information where it occurred in the
+        template source.
+        """
+        if self.engine.debug:
+            lexer = DebugLexer(self.source)
+        else:
+            lexer = Lexer(self.source)
+
+        tokens = lexer.tokenize()
+        parser = Parser(
+            tokens,
+            self.engine.template_libraries,
+            self.engine.template_builtins,
+            self.origin,
+        )
+
+        try:
+            return parser.parse()
+        except Exception as e:
+            if self.engine.debug:
+                e.template_debug = self.get_exception_info(e, e.token)
+            raise
+
+    def get_exception_info(self, exception, token):
+        """
+        Return a dictionary containing contextual line information of where
+        the exception occurred in the template. The following information is
+        provided:
+
+        message
+            The message of the exception raised.
+
+        source_lines
+            The lines before, after, and including the line the exception
+            occurred on.
+
+        line
+            The line number the exception occurred on.
+
+        before, during, after
+            The line the exception occurred on split into three parts:
+            1. The content before the token that raised the error.
+            2. The token that raised the error.
+            3. The content after the token that raised the error.
+
+        total
+            The number of lines in source_lines.
+
+        top
+            The line number where source_lines starts.
+
+        bottom
+            The line number where source_lines ends.
+
+        start
+            The start position of the token in the template source.
+
+        end
+            The end position of the token in the template source.
+        """
+        start, end = token.position
+        context_lines = 10
+        line = 0
+        upto = 0
+        source_lines = []
+        before = during = after = ""
+        for num, next in enumerate(linebreak_iter(self.source)):
+            if start >= upto and end <= next:
+                line = num
+                before = escape(self.source[upto:start])
+                during = escape(self.source[start:end])
+                after = escape(self.source[end:next])
+            source_lines.append((num, escape(self.source[upto:next])))
+            upto = next
+        total = len(source_lines)
+
+        top = max(1, line - context_lines)
+        bottom = min(total, line + 1 + context_lines)
+
+        # In some rare cases exc_value.args can be empty or an invalid
+        # string.
+        try:
+            message = str(exception.args[0])
+        except (IndexError, UnicodeDecodeError):
+            message = "(Could not get exception message)"
+
+        return {
+            "message": message,
+            "source_lines": source_lines[top:bottom],
+            "before": before,
+            "during": during,
+            "after": after,
+            "top": top,
+            "bottom": bottom,
+            "total": total,
+            "line": line,
+            "name": self.origin.name,
+            "start": start,
+            "end": end,
+        }
+
+
+def linebreak_iter(template_source):
+    yield 0
+    p = template_source.find("\n")
+    while p >= 0:
+        yield p + 1
+        p = template_source.find("\n", p + 1)
+    yield len(template_source) + 1
+
+
+class Token:
+    def __init__(self, token_type, contents, position=None, lineno=None):
+        """
+        A token representing a string from the template.
+
+        token_type
+            A TokenType, either .TEXT, .VAR, .BLOCK, or .COMMENT.
+
+        contents
+            The token source string.
+
+        position
+            An optional tuple containing the start and end index of the token
+            in the template source. This is used for traceback information
+            when debug is on.
+
+        lineno
+            The line number the token appears on in the template source.
+            This is used for traceback information and gettext files.
+        """
+        self.token_type = token_type
+        self.contents = contents
+        self.lineno = lineno
+        self.position = position
+
+    def __repr__(self):
+        token_name = self.token_type.name.capitalize()
+        return '<%s token: "%s...">' % (
+            token_name,
+            self.contents[:20].replace("\n", ""),
+        )
+
+    def split_contents(self):
+        split = []
+        bits = smart_split(self.contents)
+        for bit in bits:
+            # Handle translation-marked template pieces
+            if bit.startswith(('_("', "_('")):
+                sentinel = bit[2] + ")"
+                trans_bit = [bit]
+                while not bit.endswith(sentinel):
+                    bit = next(bits)
+                    trans_bit.append(bit)
+                bit = " ".join(trans_bit)
+            split.append(bit)
+        return split
+
+
+class Lexer:
+    def __init__(self, template_string):
+        self.template_string = template_string
+        self.verbatim = False
+
+    def __repr__(self):
+        return '<%s template_string="%s...", verbatim=%s>' % (
+            self.__class__.__qualname__,
+            self.template_string[:20].replace("\n", ""),
+            self.verbatim,
+        )
+
+    def tokenize(self):
+        """
+        Return a list of tokens from a given template_string.
+        """
+        in_tag = False
+        lineno = 1
+        result = []
+        for token_string in tag_re.split(self.template_string):
+            if token_string:
+                result.append(self.create_token(token_string, None, lineno, in_tag))
+                lineno += token_string.count("\n")
+            in_tag = not in_tag
+        return result
+
+    def create_token(self, token_string, position, lineno, in_tag):
+        """
+        Convert the given token string into a new Token object and return it.
+        If in_tag is True, we are processing something that matched a tag,
+        otherwise it should be treated as a literal string.
+        """
+        if in_tag:
+            # The [0:2] and [2:-2] ranges below strip off *_TAG_START and
+            # *_TAG_END. The 2's are hard-coded for performance. Using
+            # len(BLOCK_TAG_START) would permit BLOCK_TAG_START to be
+            # different, but it's not likely that the TAG_START values will
+            # change anytime soon.
+            token_start = token_string[0:2]
+            if token_start == BLOCK_TAG_START:
+                content = token_string[2:-2].strip()
+                if self.verbatim:
+                    # Then a verbatim block is being processed.
+                    if content != self.verbatim:
+                        return Token(TokenType.TEXT, token_string, position, lineno)
+                    # Otherwise, the current verbatim block is ending.
+                    self.verbatim = False
+                elif content[:9] in ("verbatim", "verbatim "):
+                    # Then a verbatim block is starting.
+                    self.verbatim = "end%s" % content
+                return Token(TokenType.BLOCK, content, position, lineno)
+            if not self.verbatim:
+                content = token_string[2:-2].strip()
+                if token_start == VARIABLE_TAG_START:
+                    return Token(TokenType.VAR, content, position, lineno)
+                # BLOCK_TAG_START was handled above.
+                assert token_start == COMMENT_TAG_START
+                return Token(TokenType.COMMENT, content, position, lineno)
+        return Token(TokenType.TEXT, token_string, position, lineno)
+
+
+class DebugLexer(Lexer):
+    def _tag_re_split_positions(self):
+        last = 0
+        for match in tag_re.finditer(self.template_string):
+            start, end = match.span()
+            yield last, start
+            yield start, end
+            last = end
+        yield last, len(self.template_string)
+
+    # This parallels the use of tag_re.split() in Lexer.tokenize().
+    def _tag_re_split(self):
+        for position in self._tag_re_split_positions():
+            yield self.template_string[slice(*position)], position
+
+    def tokenize(self):
+        """
+        Split a template string into tokens and annotates each token with its
+        start and end position in the source. This is slower than the default
+        lexer so only use it when debug is True.
+        """
+        # For maintainability, it is helpful if the implementation below can
+        # continue to closely parallel Lexer.tokenize()'s implementation.
+        in_tag = False
+        lineno = 1
+        result = []
+        for token_string, position in self._tag_re_split():
+            if token_string:
+                result.append(self.create_token(token_string, position, lineno, in_tag))
+                lineno += token_string.count("\n")
+            in_tag = not in_tag
+        return result
+
+
+class Parser:
+    def __init__(self, tokens, libraries=None, builtins=None, origin=None):
+        # Reverse the tokens so delete_first_token(), prepend_token(), and
+        # next_token() can operate at the end of the list in constant time.
+        self.tokens = list(reversed(tokens))
+        self.tags = {}
+        self.filters = {}
+        self.command_stack = []
+
+        if libraries is None:
+            libraries = {}
+        if builtins is None:
+            builtins = []
+
+        self.libraries = libraries
+        for builtin in builtins:
+            self.add_library(builtin)
+        self.origin = origin
+
+    def __repr__(self):
+        return "<%s tokens=%r>" % (self.__class__.__qualname__, self.tokens)
+
+    def parse(self, parse_until=None):
+        """
+        Iterate through the parser tokens and compiles each one into a node.
+
+        If parse_until is provided, parsing will stop once one of the
+        specified tokens has been reached. This is formatted as a list of
+        tokens, e.g. ['elif', 'else', 'endif']. If no matching token is
+        reached, raise an exception with the unclosed block tag details.
+        """
+        if parse_until is None:
+            parse_until = []
+        nodelist = NodeList()
+        while self.tokens:
+            token = self.next_token()
+            # Use the raw values here for TokenType.* for a tiny performance boost.
+            token_type = token.token_type.value
+            if token_type == 0:  # TokenType.TEXT
+                self.extend_nodelist(nodelist, TextNode(token.contents), token)
+            elif token_type == 1:  # TokenType.VAR
+                if not token.contents:
+                    raise self.error(
+                        token, "Empty variable tag on line %d" % token.lineno
+                    )
+                try:
+                    filter_expression = self.compile_filter(token.contents)
+                except TemplateSyntaxError as e:
+                    raise self.error(token, e)
+                var_node = VariableNode(filter_expression)
+                self.extend_nodelist(nodelist, var_node, token)
+            elif token_type == 2:  # TokenType.BLOCK
+                try:
+                    command = token.contents.split()[0]
+                except IndexError:
+                    raise self.error(token, "Empty block tag on line %d" % token.lineno)
+                if command in parse_until:
+                    # A matching token has been reached. Return control to
+                    # the caller. Put the token back on the token list so the
+                    # caller knows where it terminated.
+                    self.prepend_token(token)
+                    return nodelist
+                # Add the token to the command stack. This is used for error
+                # messages if further parsing fails due to an unclosed block
+                # tag.
+                self.command_stack.append((command, token))
+                # Get the tag callback function from the ones registered with
+                # the parser.
+                try:
+                    compile_func = self.tags[command]
+                except KeyError:
+                    self.invalid_block_tag(token, command, parse_until)
+                # Compile the callback into a node object and add it to
+                # the node list.
+                try:
+                    compiled_result = compile_func(self, token)
+                except Exception as e:
+                    raise self.error(token, e)
+                self.extend_nodelist(nodelist, compiled_result, token)
+                # Compile success. Remove the token from the command stack.
+                self.command_stack.pop()
+        if parse_until:
+            self.unclosed_block_tag(parse_until)
+        return nodelist
+
+    def skip_past(self, endtag):
+        while self.tokens:
+            token = self.next_token()
+            if token.token_type == TokenType.BLOCK and token.contents == endtag:
+                return
+        self.unclosed_block_tag([endtag])
+
+    def extend_nodelist(self, nodelist, node, token):
+        # Check that non-text nodes don't appear before an extends tag.
+        if node.must_be_first and nodelist.contains_nontext:
+            raise self.error(
+                token,
+                "%r must be the first tag in the template." % node,
+            )
+        if not isinstance(node, TextNode):
+            nodelist.contains_nontext = True
+        # Set origin and token here since we can't modify the node __init__()
+        # method.
+        node.token = token
+        node.origin = self.origin
+        nodelist.append(node)
+
+    def error(self, token, e):
+        """
+        Return an exception annotated with the originating token. Since the
+        parser can be called recursively, check if a token is already set. This
+        ensures the innermost token is highlighted if an exception occurs,
+        e.g. a compile error within the body of an if statement.
+        """
+        if not isinstance(e, Exception):
+            e = TemplateSyntaxError(e)
+        if not hasattr(e, "token"):
+            e.token = token
+        return e
+
+    def invalid_block_tag(self, token, command, parse_until=None):
+        if parse_until:
+            raise self.error(
+                token,
+                "Invalid block tag on line %d: '%s', expected %s. Did you "
+                "forget to register or load this tag?"
+                % (
+                    token.lineno,
+                    command,
+                    get_text_list(["'%s'" % p for p in parse_until], "or"),
+                ),
+            )
+        raise self.error(
+            token,
+            "Invalid block tag on line %d: '%s'. Did you forget to register "
+            "or load this tag?" % (token.lineno, command),
+        )
+
+    def unclosed_block_tag(self, parse_until):
+        command, token = self.command_stack.pop()
+        msg = "Unclosed tag on line %d: '%s'. Looking for one of: %s." % (
+            token.lineno,
+            command,
+            ", ".join(parse_until),
+        )
+        raise self.error(token, msg)
+
+    def next_token(self):
+        return self.tokens.pop()
+
+    def prepend_token(self, token):
+        self.tokens.append(token)
+
+    def delete_first_token(self):
+        del self.tokens[-1]
+
+    def add_library(self, lib):
+        self.tags.update(lib.tags)
+        self.filters.update(lib.filters)
+
+    def compile_filter(self, token):
+        """
+        Convenient wrapper for FilterExpression
+        """
+        return FilterExpression(token, self)
+
+    def find_filter(self, filter_name):
+        if filter_name in self.filters:
+            return self.filters[filter_name]
+        else:
+            raise TemplateSyntaxError("Invalid filter: '%s'" % filter_name)
+
+
+# This only matches constant *strings* (things in quotes or marked for
+# translation). Numbers are treated as variables for implementation reasons
+# (so that they retain their type when passed to filters).
+constant_string = r"""
+(?:%(i18n_open)s%(strdq)s%(i18n_close)s|
+%(i18n_open)s%(strsq)s%(i18n_close)s|
+%(strdq)s|
+%(strsq)s)
+""" % {
+    "strdq": r'"[^"\\]*(?:\\.[^"\\]*)*"',  # double-quoted string
+    "strsq": r"'[^'\\]*(?:\\.[^'\\]*)*'",  # single-quoted string
+    "i18n_open": re.escape("_("),
+    "i18n_close": re.escape(")"),
+}
+constant_string = constant_string.replace("\n", "")
+
+filter_raw_string = r"""
+^(?P<constant>%(constant)s)|
+^(?P<var>[%(var_chars)s]+|%(num)s)|
+ (?:\s*%(filter_sep)s\s*
+     (?P<filter_name>\w+)
+         (?:%(arg_sep)s
+             (?:
+              (?P<constant_arg>%(constant)s)|
+              (?P<var_arg>[%(var_chars)s]+|%(num)s)
+             )
+         )?
+ )""" % {
+    "constant": constant_string,
+    "num": r"[-+.]?\d[\d.e]*",
+    "var_chars": r"\w\.",
+    "filter_sep": re.escape(FILTER_SEPARATOR),
+    "arg_sep": re.escape(FILTER_ARGUMENT_SEPARATOR),
+}
+
+filter_re = _lazy_re_compile(filter_raw_string, re.VERBOSE)
+
+
+class FilterExpression:
+    """
+    Parse a variable token and its optional filters (all as a single string),
+    and return a list of tuples of the filter name and arguments.
+    Sample::
+
+        >>> token = 'variable|default:"Default value"|date:"Y-m-d"'
+        >>> p = Parser('')
+        >>> fe = FilterExpression(token, p)
+        >>> len(fe.filters)
+        2
+        >>> fe.var
+        <Variable: 'variable'>
+    """
+
+    __slots__ = ("token", "filters", "var", "is_var")
+
+    def __init__(self, token, parser):
+        self.token = token
+        matches = filter_re.finditer(token)
+        var_obj = None
+        filters = []
+        upto = 0
+        for match in matches:
+            start = match.start()
+            if upto != start:
+                raise TemplateSyntaxError(
+                    "Could not parse some characters: "
+                    "%s|%s|%s" % (token[:upto], token[upto:start], token[start:])
+                )
+            if var_obj is None:
+                if constant := match["constant"]:
+                    try:
+                        var_obj = Variable(constant).resolve({})
+                    except VariableDoesNotExist:
+                        var_obj = None
+                elif (var := match["var"]) is None:
+                    raise TemplateSyntaxError(
+                        "Could not find variable at start of %s." % token
+                    )
+                else:
+                    var_obj = Variable(var)
+            else:
+                filter_name = match["filter_name"]
+                args = []
+                if constant_arg := match["constant_arg"]:
+                    args.append((False, Variable(constant_arg).resolve({})))
+                elif var_arg := match["var_arg"]:
+                    args.append((True, Variable(var_arg)))
+                filter_func = parser.find_filter(filter_name)
+                self.args_check(filter_name, filter_func, args)
+                filters.append((filter_func, args))
+            upto = match.end()
+        if upto != len(token):
+            raise TemplateSyntaxError(
+                "Could not parse the remainder: '%s' "
+                "from '%s'" % (token[upto:], token)
+            )
+
+        self.filters = filters
+        self.var = var_obj
+        self.is_var = isinstance(var_obj, Variable)
+
+    def resolve(self, context, ignore_failures=False):
+        if self.is_var:
+            try:
+                obj = self.var.resolve(context)
+            except VariableDoesNotExist:
+                if ignore_failures:
+                    obj = None
+                else:
+                    string_if_invalid = context.template.engine.string_if_invalid
+                    if string_if_invalid:
+                        if "%s" in string_if_invalid:
+                            return string_if_invalid % self.var
+                        else:
+                            return string_if_invalid
+                    else:
+                        obj = string_if_invalid
+        else:
+            obj = self.var
+        for func, args in self.filters:
+            arg_vals = []
+            for lookup, arg in args:
+                if not lookup:
+                    arg_vals.append(mark_safe(arg))
+                else:
+                    arg_vals.append(arg.resolve(context))
+            if getattr(func, "expects_localtime", False):
+                obj = template_localtime(obj, context.use_tz)
+            if getattr(func, "needs_autoescape", False):
+                new_obj = func(obj, autoescape=context.autoescape, *arg_vals)
+            else:
+                new_obj = func(obj, *arg_vals)
+            if getattr(func, "is_safe", False) and isinstance(obj, SafeData):
+                obj = mark_safe(new_obj)
+            else:
+                obj = new_obj
+        return obj
+
+    def args_check(name, func, provided):
+        provided = list(provided)
+        # First argument, filter input, is implied.
+        plen = len(provided) + 1
+        # Check to see if a decorator is providing the real function.
+        func = inspect.unwrap(func)
+
+        args, _, _, defaults, _, _, _ = inspect.getfullargspec(func)
+        alen = len(args)
+        dlen = len(defaults or [])
+        # Not enough OR Too many
+        if plen < (alen - dlen) or plen > alen:
+            raise TemplateSyntaxError(
+                "%s requires %d arguments, %d provided" % (name, alen - dlen, plen)
+            )
+
+        return True
+
+    args_check = staticmethod(args_check)
+
+    def __str__(self):
+        return self.token
+
+    def __repr__(self):
+        return "<%s %r>" % (self.__class__.__qualname__, self.token)
+
+
+class Variable:
+    """
+    A template variable, resolvable against a given context. The variable may
+    be a hard-coded string (if it begins and ends with single or double quote
+    marks)::
+
+        >>> c = {'article': {'section':'News'}}
+        >>> Variable('article.section').resolve(c)
+        'News'
+        >>> Variable('article').resolve(c)
+        {'section': 'News'}
+        >>> class AClass: pass
+        >>> c = AClass()
+        >>> c.article = AClass()
+        >>> c.article.section = 'News'
+
+    (The example assumes VARIABLE_ATTRIBUTE_SEPARATOR is '.')
+    """
+
+    __slots__ = ("var", "literal", "lookups", "translate", "message_context")
+
+    def __init__(self, var):
+        self.var = var
+        self.literal = None
+        self.lookups = None
+        self.translate = False
+        self.message_context = None
+
+        if not isinstance(var, str):
+            raise TypeError("Variable must be a string or number, got %s" % type(var))
+        try:
+            # First try to treat this variable as a number.
+            #
+            # Note that this could cause an OverflowError here that we're not
+            # catching. Since this should only happen at compile time, that's
+            # probably OK.
+
+            # Try to interpret values containing a period or an 'e'/'E'
+            # (possibly scientific notation) as a float;  otherwise, try int.
+            if "." in var or "e" in var.lower():
+                self.literal = float(var)
+                # "2." is invalid
+                if var[-1] == ".":
+                    raise ValueError
+            else:
+                self.literal = int(var)
+        except ValueError:
+            # A ValueError means that the variable isn't a number.
+            if var[0:2] == "_(" and var[-1] == ")":
+                # The result of the lookup should be translated at rendering
+                # time.
+                self.translate = True
+                var = var[2:-1]
+            # If it's wrapped with quotes (single or double), then
+            # we're also dealing with a literal.
+            try:
+                self.literal = mark_safe(unescape_string_literal(var))
+            except ValueError:
+                # Otherwise we'll set self.lookups so that resolve() knows we're
+                # dealing with a bonafide variable
+                if VARIABLE_ATTRIBUTE_SEPARATOR + "_" in var or var[0] == "_":
+                    raise TemplateSyntaxError(
+                        "Variables and attributes may "
+                        "not begin with underscores: '%s'" % var
+                    )
+                self.lookups = tuple(var.split(VARIABLE_ATTRIBUTE_SEPARATOR))
+
+    def resolve(self, context):
+        """Resolve this variable against a given context."""
+        if self.lookups is not None:
+            # We're dealing with a variable that needs to be resolved
+            value = self._resolve_lookup(context)
+        else:
+            # We're dealing with a literal, so it's already been "resolved"
+            value = self.literal
+        if self.translate:
+            is_safe = isinstance(value, SafeData)
+            msgid = value.replace("%", "%%")
+            msgid = mark_safe(msgid) if is_safe else msgid
+            if self.message_context:
+                return pgettext_lazy(self.message_context, msgid)
+            else:
+                return gettext_lazy(msgid)
+        return value
+
+    def __repr__(self):
+        return "<%s: %r>" % (self.__class__.__name__, self.var)
+
+    def __str__(self):
+        return self.var
+
+    def _resolve_lookup(self, context):
+        """
+        Perform resolution of a real variable (i.e. not a literal) against the
+        given context.
+
+        As indicated by the method's name, this method is an implementation
+        detail and shouldn't be called by external code. Use Variable.resolve()
+        instead.
+        """
+        current = context
+        try:  # catch-all for silent variable failures
+            for bit in self.lookups:
+                try:  # dictionary lookup
+                    current = current[bit]
+                    # ValueError/IndexError are for numpy.array lookup on
+                    # numpy < 1.9 and 1.9+ respectively
+                except (TypeError, AttributeError, KeyError, ValueError, IndexError):
+                    try:  # attribute lookup
+                        # Don't return class attributes if the class is the context:
+                        if isinstance(current, BaseContext) and getattr(
+                            type(current), bit
+                        ):
+                            raise AttributeError
+                        current = getattr(current, bit)
+                    except (TypeError, AttributeError):
+                        # Reraise if the exception was raised by a @property
+                        if not isinstance(current, BaseContext) and bit in dir(current):
+                            raise
+                        try:  # list-index lookup
+                            current = current[int(bit)]
+                        except (
+                            IndexError,  # list index out of range
+                            ValueError,  # invalid literal for int()
+                            KeyError,  # current is a dict without `int(bit)` key
+                            TypeError,
+                        ):  # unsubscriptable object
+                            raise VariableDoesNotExist(
+                                "Failed lookup for key [%s] in %r",
+                                (bit, current),
+                            )  # missing attribute
+                if callable(current):
+                    if getattr(current, "do_not_call_in_templates", False):
+                        pass
+                    elif getattr(current, "alters_data", False):
+                        current = context.template.engine.string_if_invalid
+                    else:
+                        try:  # method call (assuming no args required)
+                            current = current()
+                        except TypeError:
+                            try:
+                                signature = inspect.signature(current)
+                            except ValueError:  # No signature found.
+                                current = context.template.engine.string_if_invalid
+                            else:
+                                try:
+                                    signature.bind()
+                                except TypeError:  # Arguments *were* required.
+                                    # Invalid method call.
+                                    current = context.template.engine.string_if_invalid
+                                else:
+                                    raise
+        except Exception as e:
+            template_name = getattr(context, "template_name", None) or "unknown"
+            logger.debug(
+                "Exception while resolving variable '%s' in template '%s'.",
+                bit,
+                template_name,
+                exc_info=True,
+            )
+
+            if getattr(e, "silent_variable_failure", False):
+                current = context.template.engine.string_if_invalid
+            else:
+                raise
+
+        return current
+
+
+class Node:
+    # Set this to True for nodes that must be first in the template (although
+    # they can be preceded by text nodes.
+    must_be_first = False
+    child_nodelists = ("nodelist",)
+    token = None
+
+    def render(self, context):
+        """
+        Return the node rendered as a string.
+        """
+        pass
+
+    def render_annotated(self, context):
+        """
+        Render the node. If debug is True and an exception occurs during
+        rendering, the exception is annotated with contextual line information
+        where it occurred in the template. For internal usage this method is
+        preferred over using the render method directly.
+        """
+        try:
+            return self.render(context)
+        except Exception as e:
+            if context.template.engine.debug:
+                # Store the actual node that caused the exception.
+                if not hasattr(e, "_culprit_node"):
+                    e._culprit_node = self
+                if (
+                    not hasattr(e, "template_debug")
+                    and context.render_context.template.origin == e._culprit_node.origin
+                ):
+                    e.template_debug = (
+                        context.render_context.template.get_exception_info(
+                            e,
+                            e._culprit_node.token,
+                        )
+                    )
+            raise
+
+    def get_nodes_by_type(self, nodetype):
+        """
+        Return a list of all nodes (within this node and its nodelist)
+        of the given type
+        """
+        nodes = []
+        if isinstance(self, nodetype):
+            nodes.append(self)
+        for attr in self.child_nodelists:
+            nodelist = getattr(self, attr, None)
+            if nodelist:
+                nodes.extend(nodelist.get_nodes_by_type(nodetype))
+        return nodes
+
+
+class NodeList(list):
+    # Set to True the first time a non-TextNode is inserted by
+    # extend_nodelist().
+    contains_nontext = False
+
+    def render(self, context):
+        return SafeString("".join([node.render_annotated(context) for node in self]))
+
+    def get_nodes_by_type(self, nodetype):
+        "Return a list of all nodes of the given type"
+        nodes = []
+        for node in self:
+            nodes.extend(node.get_nodes_by_type(nodetype))
+        return nodes
+
+
+class TextNode(Node):
+    child_nodelists = ()
+
+    def __init__(self, s):
+        self.s = s
+
+    def __repr__(self):
+        return "<%s: %r>" % (self.__class__.__name__, self.s[:25])
+
+    def render(self, context):
+        return self.s
+
+    def render_annotated(self, context):
+        """
+        Return the given value.
+
+        The default implementation of this method handles exceptions raised
+        during rendering, which is not necessary for text nodes.
+        """
+        return self.s
+
+
+def render_value_in_context(value, context):
+    """
+    Convert any value to a string to become part of a rendered template. This
+    means escaping, if required, and conversion to a string. If value is a
+    string, it's expected to already be translated.
+    """
+    value = template_localtime(value, use_tz=context.use_tz)
+    value = localize(value, use_l10n=context.use_l10n)
+    if context.autoescape:
+        if not issubclass(type(value), str):
+            value = str(value)
+        return conditional_escape(value)
+    else:
+        return str(value)
+
+
+class VariableNode(Node):
+    child_nodelists = ()
+
+    def __init__(self, filter_expression):
+        self.filter_expression = filter_expression
+
+    def __repr__(self):
+        return "<Variable Node: %s>" % self.filter_expression
+
+    def render(self, context):
+        try:
+            output = self.filter_expression.resolve(context)
+        except UnicodeDecodeError:
+            # Unicode conversion can fail sometimes for reasons out of our
+            # control (e.g. exception rendering). In that case, we fail
+            # quietly.
+            return ""
+        return render_value_in_context(output, context)
+
+
+# Regex for token keyword arguments
+kwarg_re = _lazy_re_compile(r"(?:(\w+)=)?(.+)")
+
+
+def token_kwargs(bits, parser, support_legacy=False):
+    """
+    Parse token keyword arguments and return a dictionary of the arguments
+    retrieved from the ``bits`` token list.
+
+    `bits` is a list containing the remainder of the token (split by spaces)
+    that is to be checked for arguments. Valid arguments are removed from this
+    list.
+
+    `support_legacy` - if True, the legacy format ``1 as foo`` is accepted.
+    Otherwise, only the standard ``foo=1`` format is allowed.
+
+    There is no requirement for all remaining token ``bits`` to be keyword
+    arguments, so return the dictionary as soon as an invalid argument format
+    is reached.
+    """
+    if not bits:
+        return {}
+    match = kwarg_re.match(bits[0])
+    kwarg_format = match and match[1]
+    if not kwarg_format:
+        if not support_legacy:
+            return {}
+        if len(bits) < 3 or bits[1] != "as":
+            return {}
+
+    kwargs = {}
+    while bits:
+        if kwarg_format:
+            match = kwarg_re.match(bits[0])
+            if not match or not match[1]:
+                return kwargs
+            key, value = match.groups()
+            del bits[:1]
+        else:
+            if len(bits) < 3 or bits[1] != "as":
+                return kwargs
+            key, value = bits[2], bits[0]
+            del bits[:3]
+        kwargs[key] = parser.compile_filter(value)
+        if bits and not kwarg_format:
+            if bits[0] != "and":
+                return kwargs
+            del bits[:1]
+    return kwargs
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/context.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/context.py
new file mode 100644
index 00000000..080a2dd9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/context.py
@@ -0,0 +1,298 @@
+from contextlib import contextmanager
+from copy import copy
+
+# Hard-coded processor for easier use of CSRF protection.
+_builtin_context_processors = ("django.template.context_processors.csrf",)
+
+
+class ContextPopException(Exception):
+    "pop() has been called more times than push()"
+    pass
+
+
+class ContextDict(dict):
+    def __init__(self, context, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        context.dicts.append(self)
+        self.context = context
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args, **kwargs):
+        self.context.pop()
+
+
+class BaseContext:
+    def __init__(self, dict_=None):
+        self._reset_dicts(dict_)
+
+    def _reset_dicts(self, value=None):
+        builtins = {"True": True, "False": False, "None": None}
+        self.dicts = [builtins]
+        if value is not None:
+            self.dicts.append(value)
+
+    def __copy__(self):
+        duplicate = copy(super())
+        duplicate.dicts = self.dicts[:]
+        return duplicate
+
+    def __repr__(self):
+        return repr(self.dicts)
+
+    def __iter__(self):
+        return reversed(self.dicts)
+
+    def push(self, *args, **kwargs):
+        dicts = []
+        for d in args:
+            if isinstance(d, BaseContext):
+                dicts += d.dicts[1:]
+            else:
+                dicts.append(d)
+        return ContextDict(self, *dicts, **kwargs)
+
+    def pop(self):
+        if len(self.dicts) == 1:
+            raise ContextPopException
+        return self.dicts.pop()
+
+    def __setitem__(self, key, value):
+        "Set a variable in the current context"
+        self.dicts[-1][key] = value
+
+    def set_upward(self, key, value):
+        """
+        Set a variable in one of the higher contexts if it exists there,
+        otherwise in the current context.
+        """
+        context = self.dicts[-1]
+        for d in reversed(self.dicts):
+            if key in d:
+                context = d
+                break
+        context[key] = value
+
+    def __getitem__(self, key):
+        "Get a variable's value, starting at the current context and going upward"
+        for d in reversed(self.dicts):
+            if key in d:
+                return d[key]
+        raise KeyError(key)
+
+    def __delitem__(self, key):
+        "Delete a variable from the current context"
+        del self.dicts[-1][key]
+
+    def __contains__(self, key):
+        return any(key in d for d in self.dicts)
+
+    def get(self, key, otherwise=None):
+        for d in reversed(self.dicts):
+            if key in d:
+                return d[key]
+        return otherwise
+
+    def setdefault(self, key, default=None):
+        try:
+            return self[key]
+        except KeyError:
+            self[key] = default
+        return default
+
+    def new(self, values=None):
+        """
+        Return a new context with the same properties, but with only the
+        values given in 'values' stored.
+        """
+        new_context = copy(self)
+        new_context._reset_dicts(values)
+        return new_context
+
+    def flatten(self):
+        """
+        Return self.dicts as one dictionary.
+        """
+        flat = {}
+        for d in self.dicts:
+            flat.update(d)
+        return flat
+
+    def __eq__(self, other):
+        """
+        Compare two contexts by comparing theirs 'dicts' attributes.
+        """
+        if not isinstance(other, BaseContext):
+            return NotImplemented
+        # flatten dictionaries because they can be put in a different order.
+        return self.flatten() == other.flatten()
+
+
+class Context(BaseContext):
+    "A stack container for variable context"
+
+    def __init__(self, dict_=None, autoescape=True, use_l10n=None, use_tz=None):
+        self.autoescape = autoescape
+        self.use_l10n = use_l10n
+        self.use_tz = use_tz
+        self.template_name = "unknown"
+        self.render_context = RenderContext()
+        # Set to the original template -- as opposed to extended or included
+        # templates -- during rendering, see bind_template.
+        self.template = None
+        super().__init__(dict_)
+
+    @contextmanager
+    def bind_template(self, template):
+        if self.template is not None:
+            raise RuntimeError("Context is already bound to a template")
+        self.template = template
+        try:
+            yield
+        finally:
+            self.template = None
+
+    def __copy__(self):
+        duplicate = super().__copy__()
+        duplicate.render_context = copy(self.render_context)
+        return duplicate
+
+    def update(self, other_dict):
+        "Push other_dict to the stack of dictionaries in the Context"
+        if not hasattr(other_dict, "__getitem__"):
+            raise TypeError("other_dict must be a mapping (dictionary-like) object.")
+        if isinstance(other_dict, BaseContext):
+            other_dict = other_dict.dicts[1:].pop()
+        return ContextDict(self, other_dict)
+
+
+class RenderContext(BaseContext):
+    """
+    A stack container for storing Template state.
+
+    RenderContext simplifies the implementation of template Nodes by providing a
+    safe place to store state between invocations of a node's `render` method.
+
+    The RenderContext also provides scoping rules that are more sensible for
+    'template local' variables. The render context stack is pushed before each
+    template is rendered, creating a fresh scope with nothing in it. Name
+    resolution fails if a variable is not found at the top of the RequestContext
+    stack. Thus, variables are local to a specific template and don't affect the
+    rendering of other templates as they would if they were stored in the normal
+    template context.
+    """
+
+    template = None
+
+    def __iter__(self):
+        yield from self.dicts[-1]
+
+    def __contains__(self, key):
+        return key in self.dicts[-1]
+
+    def get(self, key, otherwise=None):
+        return self.dicts[-1].get(key, otherwise)
+
+    def __getitem__(self, key):
+        return self.dicts[-1][key]
+
+    @contextmanager
+    def push_state(self, template, isolated_context=True):
+        initial = self.template
+        self.template = template
+        if isolated_context:
+            self.push()
+        try:
+            yield
+        finally:
+            self.template = initial
+            if isolated_context:
+                self.pop()
+
+
+class RequestContext(Context):
+    """
+    This subclass of template.Context automatically populates itself using
+    the processors defined in the engine's configuration.
+    Additional processors can be specified as a list of callables
+    using the "processors" keyword argument.
+    """
+
+    def __init__(
+        self,
+        request,
+        dict_=None,
+        processors=None,
+        use_l10n=None,
+        use_tz=None,
+        autoescape=True,
+    ):
+        super().__init__(dict_, use_l10n=use_l10n, use_tz=use_tz, autoescape=autoescape)
+        self.request = request
+        self._processors = () if processors is None else tuple(processors)
+        self._processors_index = len(self.dicts)
+
+        # placeholder for context processors output
+        self.update({})
+
+        # empty dict for any new modifications
+        # (so that context processors don't overwrite them)
+        self.update({})
+
+    @contextmanager
+    def bind_template(self, template):
+        if self.template is not None:
+            raise RuntimeError("Context is already bound to a template")
+
+        self.template = template
+        # Set context processors according to the template engine's settings.
+        processors = template.engine.template_context_processors + self._processors
+        updates = {}
+        for processor in processors:
+            context = processor(self.request)
+            try:
+                updates.update(context)
+            except TypeError as e:
+                raise TypeError(
+                    f"Context processor {processor.__qualname__} didn't return a "
+                    "dictionary."
+                ) from e
+
+        self.dicts[self._processors_index] = updates
+
+        try:
+            yield
+        finally:
+            self.template = None
+            # Unset context processors.
+            self.dicts[self._processors_index] = {}
+
+    def new(self, values=None):
+        new_context = super().new(values)
+        # This is for backwards-compatibility: RequestContexts created via
+        # Context.new don't include values from context processors.
+        if hasattr(new_context, "_processors_index"):
+            del new_context._processors_index
+        return new_context
+
+
+def make_context(context, request=None, **kwargs):
+    """
+    Create a suitable Context from a plain dict and optionally an HttpRequest.
+    """
+    if context is not None and not isinstance(context, dict):
+        raise TypeError(
+            "context must be a dict rather than %s." % context.__class__.__name__
+        )
+    if request is None:
+        context = Context(context, **kwargs)
+    else:
+        # The following pattern is required to ensure values from
+        # context override those from template context processors.
+        original_context = context
+        context = RequestContext(request, **kwargs)
+        if original_context:
+            context.push(original_context)
+    return context
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/context_processors.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/context_processors.py
new file mode 100644
index 00000000..32753032
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/context_processors.py
@@ -0,0 +1,89 @@
+"""
+A set of request processors that return dictionaries to be merged into a
+template context. Each function takes the request object as its only parameter
+and returns a dictionary to add to the context.
+
+These are referenced from the 'context_processors' option of the configuration
+of a DjangoTemplates backend and used by RequestContext.
+"""
+
+import itertools
+
+from django.conf import settings
+from django.middleware.csrf import get_token
+from django.utils.functional import SimpleLazyObject, lazy
+
+
+def csrf(request):
+    """
+    Context processor that provides a CSRF token, or the string 'NOTPROVIDED' if
+    it has not been provided by either a view decorator or the middleware
+    """
+
+    def _get_val():
+        token = get_token(request)
+        if token is None:
+            # In order to be able to provide debugging info in the
+            # case of misconfiguration, we use a sentinel value
+            # instead of returning an empty dict.
+            return "NOTPROVIDED"
+        else:
+            return token
+
+    return {"csrf_token": SimpleLazyObject(_get_val)}
+
+
+def debug(request):
+    """
+    Return context variables helpful for debugging.
+    """
+    context_extras = {}
+    if settings.DEBUG and request.META.get("REMOTE_ADDR") in settings.INTERNAL_IPS:
+        context_extras["debug"] = True
+        from django.db import connections
+
+        # Return a lazy reference that computes connection.queries on access,
+        # to ensure it contains queries triggered after this function runs.
+        context_extras["sql_queries"] = lazy(
+            lambda: list(
+                itertools.chain.from_iterable(
+                    connections[x].queries for x in connections
+                )
+            ),
+            list,
+        )
+    return context_extras
+
+
+def i18n(request):
+    from django.utils import translation
+
+    return {
+        "LANGUAGES": settings.LANGUAGES,
+        "LANGUAGE_CODE": translation.get_language(),
+        "LANGUAGE_BIDI": translation.get_language_bidi(),
+    }
+
+
+def tz(request):
+    from django.utils import timezone
+
+    return {"TIME_ZONE": timezone.get_current_timezone_name()}
+
+
+def static(request):
+    """
+    Add static-related context variables to the context.
+    """
+    return {"STATIC_URL": settings.STATIC_URL}
+
+
+def media(request):
+    """
+    Add media-related context variables to the context.
+    """
+    return {"MEDIA_URL": settings.MEDIA_URL}
+
+
+def request(request):
+    return {"request": request}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/defaultfilters.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/defaultfilters.py
new file mode 100644
index 00000000..1f1ea4d7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/defaultfilters.py
@@ -0,0 +1,994 @@
+"""Default variable filters."""
+
+import random as random_module
+import re
+import types
+import warnings
+from decimal import ROUND_HALF_UP, Context, Decimal, InvalidOperation, getcontext
+from functools import wraps
+from inspect import unwrap
+from operator import itemgetter
+from pprint import pformat
+from urllib.parse import quote
+
+from django.utils import formats
+from django.utils.dateformat import format, time_format
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.encoding import iri_to_uri
+from django.utils.html import avoid_wrapping, conditional_escape, escape, escapejs
+from django.utils.html import json_script as _json_script
+from django.utils.html import linebreaks, strip_tags
+from django.utils.html import urlize as _urlize
+from django.utils.safestring import SafeData, mark_safe
+from django.utils.text import Truncator, normalize_newlines, phone2numeric
+from django.utils.text import slugify as _slugify
+from django.utils.text import wrap
+from django.utils.timesince import timesince, timeuntil
+from django.utils.translation import gettext, ngettext
+
+from .base import VARIABLE_ATTRIBUTE_SEPARATOR
+from .library import Library
+
+register = Library()
+
+
+#######################
+# STRING DECORATOR    #
+#######################
+
+
+def stringfilter(func):
+    """
+    Decorator for filters which should only receive strings. The object
+    passed as the first positional argument will be converted to a string.
+    """
+
+    @wraps(func)
+    def _dec(first, *args, **kwargs):
+        first = str(first)
+        result = func(first, *args, **kwargs)
+        if isinstance(first, SafeData) and getattr(unwrap(func), "is_safe", False):
+            result = mark_safe(result)
+        return result
+
+    return _dec
+
+
+###################
+# STRINGS         #
+###################
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def addslashes(value):
+    """
+    Add slashes before quotes. Useful for escaping strings in CSV, for
+    example. Less useful for escaping JavaScript; use the ``escapejs``
+    filter instead.
+    """
+    return value.replace("\\", "\\\\").replace('"', '\\"').replace("'", "\\'")
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def capfirst(value):
+    """Capitalize the first character of the value."""
+    return value and value[0].upper() + value[1:]
+
+
+@register.filter("escapejs")
+@stringfilter
+def escapejs_filter(value):
+    """Hex encode characters for use in JavaScript strings."""
+    return escapejs(value)
+
+
+@register.filter(is_safe=True)
+def json_script(value, element_id=None):
+    """
+    Output value JSON-encoded, wrapped in a <script type="application/json">
+    tag (with an optional id).
+    """
+    return _json_script(value, element_id)
+
+
+@register.filter(is_safe=True)
+def floatformat(text, arg=-1):
+    """
+    Display a float to a specified number of decimal places.
+
+    If called without an argument, display the floating point number with one
+    decimal place -- but only if there's a decimal place to be displayed:
+
+    * num1 = 34.23234
+    * num2 = 34.00000
+    * num3 = 34.26000
+    * {{ num1|floatformat }} displays "34.2"
+    * {{ num2|floatformat }} displays "34"
+    * {{ num3|floatformat }} displays "34.3"
+
+    If arg is positive, always display exactly arg number of decimal places:
+
+    * {{ num1|floatformat:3 }} displays "34.232"
+    * {{ num2|floatformat:3 }} displays "34.000"
+    * {{ num3|floatformat:3 }} displays "34.260"
+
+    If arg is negative, display arg number of decimal places -- but only if
+    there are places to be displayed:
+
+    * {{ num1|floatformat:"-3" }} displays "34.232"
+    * {{ num2|floatformat:"-3" }} displays "34"
+    * {{ num3|floatformat:"-3" }} displays "34.260"
+
+    If arg has the 'g' suffix, force the result to be grouped by the
+    THOUSAND_SEPARATOR for the active locale. When the active locale is
+    en (English):
+
+    * {{ 6666.6666|floatformat:"2g" }} displays "6,666.67"
+    * {{ 10000|floatformat:"g" }} displays "10,000"
+
+    If arg has the 'u' suffix, force the result to be unlocalized. When the
+    active locale is pl (Polish):
+
+    * {{ 66666.6666|floatformat:"2" }} displays "66666,67"
+    * {{ 66666.6666|floatformat:"2u" }} displays "66666.67"
+
+    If the input float is infinity or NaN, display the string representation
+    of that value.
+    """
+    force_grouping = False
+    use_l10n = True
+    if isinstance(arg, str):
+        last_char = arg[-1]
+        if arg[-2:] in {"gu", "ug"}:
+            force_grouping = True
+            use_l10n = False
+            arg = arg[:-2] or -1
+        elif last_char == "g":
+            force_grouping = True
+            arg = arg[:-1] or -1
+        elif last_char == "u":
+            use_l10n = False
+            arg = arg[:-1] or -1
+    try:
+        input_val = str(text)
+        d = Decimal(input_val)
+    except InvalidOperation:
+        try:
+            d = Decimal(str(float(text)))
+        except (ValueError, InvalidOperation, TypeError):
+            return ""
+    try:
+        p = int(arg)
+    except ValueError:
+        return input_val
+
+    try:
+        m = int(d) - d
+    except (ValueError, OverflowError, InvalidOperation):
+        return input_val
+
+    if not m and p <= 0:
+        return mark_safe(
+            formats.number_format(
+                "%d" % (int(d)),
+                0,
+                use_l10n=use_l10n,
+                force_grouping=force_grouping,
+            )
+        )
+
+    exp = Decimal(1).scaleb(-abs(p))
+    # Set the precision high enough to avoid an exception (#15789).
+    tupl = d.as_tuple()
+    units = len(tupl[1])
+    units += -tupl[2] if m else tupl[2]
+    prec = abs(p) + units + 1
+    prec = max(getcontext().prec, prec)
+
+    # Avoid conversion to scientific notation by accessing `sign`, `digits`,
+    # and `exponent` from Decimal.as_tuple() directly.
+    rounded_d = d.quantize(exp, ROUND_HALF_UP, Context(prec=prec))
+    sign, digits, exponent = rounded_d.as_tuple()
+    digits = [str(digit) for digit in reversed(digits)]
+    while len(digits) <= abs(exponent):
+        digits.append("0")
+    digits.insert(-exponent, ".")
+    if sign and rounded_d:
+        digits.append("-")
+    number = "".join(reversed(digits))
+    return mark_safe(
+        formats.number_format(
+            number,
+            abs(p),
+            use_l10n=use_l10n,
+            force_grouping=force_grouping,
+        )
+    )
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def iriencode(value):
+    """Escape an IRI value for use in a URL."""
+    return iri_to_uri(value)
+
+
+@register.filter(is_safe=True, needs_autoescape=True)
+@stringfilter
+def linenumbers(value, autoescape=True):
+    """Display text with line numbers."""
+    lines = value.split("\n")
+    # Find the maximum width of the line count, for use with zero padding
+    # string format command
+    width = str(len(str(len(lines))))
+    if not autoescape or isinstance(value, SafeData):
+        for i, line in enumerate(lines):
+            lines[i] = ("%0" + width + "d. %s") % (i + 1, line)
+    else:
+        for i, line in enumerate(lines):
+            lines[i] = ("%0" + width + "d. %s") % (i + 1, escape(line))
+    return mark_safe("\n".join(lines))
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def lower(value):
+    """Convert a string into all lowercase."""
+    return value.lower()
+
+
+@register.filter(is_safe=False)
+@stringfilter
+def make_list(value):
+    """
+    Return the value turned into a list.
+
+    For an integer, it's a list of digits.
+    For a string, it's a list of characters.
+    """
+    return list(value)
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def slugify(value):
+    """
+    Convert to ASCII. Convert spaces to hyphens. Remove characters that aren't
+    alphanumerics, underscores, or hyphens. Convert to lowercase. Also strip
+    leading and trailing whitespace.
+    """
+    return _slugify(value)
+
+
+@register.filter(is_safe=True)
+def stringformat(value, arg):
+    """
+    Format the variable according to the arg, a string formatting specifier.
+
+    This specifier uses Python string formatting syntax, with the exception
+    that the leading "%" is dropped.
+
+    See https://docs.python.org/library/stdtypes.html#printf-style-string-formatting
+    for documentation of Python string formatting.
+    """
+    if isinstance(value, tuple):
+        value = str(value)
+    try:
+        return ("%" + str(arg)) % value
+    except (ValueError, TypeError):
+        return ""
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def title(value):
+    """Convert a string into titlecase."""
+    t = re.sub("([a-z])'([A-Z])", lambda m: m[0].lower(), value.title())
+    return re.sub(r"\d([A-Z])", lambda m: m[0].lower(), t)
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def truncatechars(value, arg):
+    """Truncate a string after `arg` number of characters."""
+    try:
+        length = int(arg)
+    except ValueError:  # Invalid literal for int().
+        return value  # Fail silently.
+    return Truncator(value).chars(length)
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def truncatechars_html(value, arg):
+    """
+    Truncate HTML after `arg` number of chars.
+    Preserve newlines in the HTML.
+    """
+    try:
+        length = int(arg)
+    except ValueError:  # invalid literal for int()
+        return value  # Fail silently.
+    return Truncator(value).chars(length, html=True)
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def truncatewords(value, arg):
+    """
+    Truncate a string after `arg` number of words.
+    Remove newlines within the string.
+    """
+    try:
+        length = int(arg)
+    except ValueError:  # Invalid literal for int().
+        return value  # Fail silently.
+    return Truncator(value).words(length, truncate=" …")
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def truncatewords_html(value, arg):
+    """
+    Truncate HTML after `arg` number of words.
+    Preserve newlines in the HTML.
+    """
+    try:
+        length = int(arg)
+    except ValueError:  # invalid literal for int()
+        return value  # Fail silently.
+    return Truncator(value).words(length, html=True, truncate=" …")
+
+
+@register.filter(is_safe=False)
+@stringfilter
+def upper(value):
+    """Convert a string into all uppercase."""
+    return value.upper()
+
+
+@register.filter(is_safe=False)
+@stringfilter
+def urlencode(value, safe=None):
+    """
+    Escape a value for use in a URL.
+
+    The ``safe`` parameter determines the characters which should not be
+    escaped by Python's quote() function. If not provided, use the default safe
+    characters (but an empty string can be provided when *all* characters
+    should be escaped).
+    """
+    kwargs = {}
+    if safe is not None:
+        kwargs["safe"] = safe
+    return quote(value, **kwargs)
+
+
+@register.filter(is_safe=True, needs_autoescape=True)
+@stringfilter
+def urlize(value, autoescape=True):
+    """Convert URLs in plain text into clickable links."""
+    return mark_safe(_urlize(value, nofollow=True, autoescape=autoescape))
+
+
+@register.filter(is_safe=True, needs_autoescape=True)
+@stringfilter
+def urlizetrunc(value, limit, autoescape=True):
+    """
+    Convert URLs into clickable links, truncating URLs to the given character
+    limit, and adding 'rel=nofollow' attribute to discourage spamming.
+
+    Argument: Length to truncate URLs to.
+    """
+    return mark_safe(
+        _urlize(value, trim_url_limit=int(limit), nofollow=True, autoescape=autoescape)
+    )
+
+
+@register.filter(is_safe=False)
+@stringfilter
+def wordcount(value):
+    """Return the number of words."""
+    return len(value.split())
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def wordwrap(value, arg):
+    """Wrap words at `arg` line length."""
+    return wrap(value, int(arg))
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def ljust(value, arg):
+    """Left-align the value in a field of a given width."""
+    return value.ljust(int(arg))
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def rjust(value, arg):
+    """Right-align the value in a field of a given width."""
+    return value.rjust(int(arg))
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def center(value, arg):
+    """Center the value in a field of a given width."""
+    return value.center(int(arg))
+
+
+@register.filter
+@stringfilter
+def cut(value, arg):
+    """Remove all values of arg from the given string."""
+    safe = isinstance(value, SafeData)
+    value = value.replace(arg, "")
+    if safe and arg != ";":
+        return mark_safe(value)
+    return value
+
+
+###################
+# HTML STRINGS    #
+###################
+
+
+@register.filter("escape", is_safe=True)
+@stringfilter
+def escape_filter(value):
+    """Mark the value as a string that should be auto-escaped."""
+    return conditional_escape(value)
+
+
+@register.filter(is_safe=True)
+def escapeseq(value):
+    """
+    An "escape" filter for sequences. Mark each element in the sequence,
+    individually, as a string that should be auto-escaped. Return a list with
+    the results.
+    """
+    return [conditional_escape(obj) for obj in value]
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def force_escape(value):
+    """
+    Escape a string's HTML. Return a new string containing the escaped
+    characters (as opposed to "escape", which marks the content for later
+    possible escaping).
+    """
+    return escape(value)
+
+
+@register.filter("linebreaks", is_safe=True, needs_autoescape=True)
+@stringfilter
+def linebreaks_filter(value, autoescape=True):
+    """
+    Replace line breaks in plain text with appropriate HTML; a single
+    newline becomes an HTML line break (``<br>``) and a new line
+    followed by a blank line becomes a paragraph break (``</p>``).
+    """
+    autoescape = autoescape and not isinstance(value, SafeData)
+    return mark_safe(linebreaks(value, autoescape))
+
+
+@register.filter(is_safe=True, needs_autoescape=True)
+@stringfilter
+def linebreaksbr(value, autoescape=True):
+    """
+    Convert all newlines in a piece of plain text to HTML line breaks
+    (``<br>``).
+    """
+    autoescape = autoescape and not isinstance(value, SafeData)
+    value = normalize_newlines(value)
+    if autoescape:
+        value = escape(value)
+    return mark_safe(value.replace("\n", "<br>"))
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def safe(value):
+    """Mark the value as a string that should not be auto-escaped."""
+    return mark_safe(value)
+
+
+@register.filter(is_safe=True)
+def safeseq(value):
+    """
+    A "safe" filter for sequences. Mark each element in the sequence,
+    individually, as safe, after converting them to strings. Return a list
+    with the results.
+    """
+    return [mark_safe(obj) for obj in value]
+
+
+@register.filter(is_safe=True)
+@stringfilter
+def striptags(value):
+    """Strip all [X]HTML tags."""
+    return strip_tags(value)
+
+
+###################
+# LISTS           #
+###################
+
+
+def _property_resolver(arg):
+    """
+    When arg is convertible to float, behave like operator.itemgetter(arg)
+    Otherwise, chain __getitem__() and getattr().
+
+    >>> _property_resolver(1)('abc')
+    'b'
+    >>> _property_resolver('1')('abc')
+    Traceback (most recent call last):
+    ...
+    TypeError: string indices must be integers
+    >>> class Foo:
+    ...     a = 42
+    ...     b = 3.14
+    ...     c = 'Hey!'
+    >>> _property_resolver('b')(Foo())
+    3.14
+    """
+    try:
+        float(arg)
+    except ValueError:
+        if VARIABLE_ATTRIBUTE_SEPARATOR + "_" in arg or arg[0] == "_":
+            raise AttributeError("Access to private variables is forbidden.")
+        parts = arg.split(VARIABLE_ATTRIBUTE_SEPARATOR)
+
+        def resolve(value):
+            for part in parts:
+                try:
+                    value = value[part]
+                except (AttributeError, IndexError, KeyError, TypeError, ValueError):
+                    value = getattr(value, part)
+            return value
+
+        return resolve
+    else:
+        return itemgetter(arg)
+
+
+@register.filter(is_safe=False)
+def dictsort(value, arg):
+    """
+    Given a list of dicts, return that list sorted by the property given in
+    the argument.
+    """
+    try:
+        return sorted(value, key=_property_resolver(arg))
+    except (AttributeError, TypeError):
+        return ""
+
+
+@register.filter(is_safe=False)
+def dictsortreversed(value, arg):
+    """
+    Given a list of dicts, return that list sorted in reverse order by the
+    property given in the argument.
+    """
+    try:
+        return sorted(value, key=_property_resolver(arg), reverse=True)
+    except (AttributeError, TypeError):
+        return ""
+
+
+@register.filter(is_safe=False)
+def first(value):
+    """Return the first item in a list."""
+    try:
+        return value[0]
+    except IndexError:
+        return ""
+
+
+@register.filter(is_safe=True, needs_autoescape=True)
+def join(value, arg, autoescape=True):
+    """Join a list with a string, like Python's ``str.join(list)``."""
+    try:
+        if autoescape:
+            data = conditional_escape(arg).join([conditional_escape(v) for v in value])
+        else:
+            data = arg.join(value)
+    except TypeError:  # Fail silently if arg isn't iterable.
+        return value
+    return mark_safe(data)
+
+
+@register.filter(is_safe=True)
+def last(value):
+    """Return the last item in a list."""
+    try:
+        return value[-1]
+    except IndexError:
+        return ""
+
+
+@register.filter(is_safe=False)
+def length(value):
+    """Return the length of the value - useful for lists."""
+    try:
+        return len(value)
+    except (ValueError, TypeError):
+        return 0
+
+
+@register.filter(is_safe=False)
+def length_is(value, arg):
+    """Return a boolean of whether the value's length is the argument."""
+    warnings.warn(
+        "The length_is template filter is deprecated in favor of the length template "
+        "filter and the == operator within an {% if %} tag.",
+        RemovedInDjango51Warning,
+    )
+    try:
+        return len(value) == int(arg)
+    except (ValueError, TypeError):
+        return ""
+
+
+@register.filter(is_safe=True)
+def random(value):
+    """Return a random item from the list."""
+    try:
+        return random_module.choice(value)
+    except IndexError:
+        return ""
+
+
+@register.filter("slice", is_safe=True)
+def slice_filter(value, arg):
+    """
+    Return a slice of the list using the same syntax as Python's list slicing.
+    """
+    try:
+        bits = []
+        for x in str(arg).split(":"):
+            if not x:
+                bits.append(None)
+            else:
+                bits.append(int(x))
+        return value[slice(*bits)]
+
+    except (ValueError, TypeError):
+        return value  # Fail silently.
+
+
+@register.filter(is_safe=True, needs_autoescape=True)
+def unordered_list(value, autoescape=True):
+    """
+    Recursively take a self-nested list and return an HTML unordered list --
+    WITHOUT opening and closing <ul> tags.
+
+    Assume the list is in the proper format. For example, if ``var`` contains:
+    ``['States', ['Kansas', ['Lawrence', 'Topeka'], 'Illinois']]``, then
+    ``{{ var|unordered_list }}`` returns::
+
+        <li>States
+        <ul>
+                <li>Kansas
+                <ul>
+                        <li>Lawrence</li>
+                        <li>Topeka</li>
+                </ul>
+                </li>
+                <li>Illinois</li>
+        </ul>
+        </li>
+    """
+    if autoescape:
+        escaper = conditional_escape
+    else:
+
+        def escaper(x):
+            return x
+
+    def walk_items(item_list):
+        item_iterator = iter(item_list)
+        try:
+            item = next(item_iterator)
+            while True:
+                try:
+                    next_item = next(item_iterator)
+                except StopIteration:
+                    yield item, None
+                    break
+                if isinstance(next_item, (list, tuple, types.GeneratorType)):
+                    try:
+                        iter(next_item)
+                    except TypeError:
+                        pass
+                    else:
+                        yield item, next_item
+                        item = next(item_iterator)
+                        continue
+                yield item, None
+                item = next_item
+        except StopIteration:
+            pass
+
+    def list_formatter(item_list, tabs=1):
+        indent = "\t" * tabs
+        output = []
+        for item, children in walk_items(item_list):
+            sublist = ""
+            if children:
+                sublist = "\n%s<ul>\n%s\n%s</ul>\n%s" % (
+                    indent,
+                    list_formatter(children, tabs + 1),
+                    indent,
+                    indent,
+                )
+            output.append("%s<li>%s%s</li>" % (indent, escaper(item), sublist))
+        return "\n".join(output)
+
+    return mark_safe(list_formatter(value))
+
+
+###################
+# INTEGERS        #
+###################
+
+
+@register.filter(is_safe=False)
+def add(value, arg):
+    """Add the arg to the value."""
+    try:
+        return int(value) + int(arg)
+    except (ValueError, TypeError):
+        try:
+            return value + arg
+        except Exception:
+            return ""
+
+
+@register.filter(is_safe=False)
+def get_digit(value, arg):
+    """
+    Given a whole number, return the requested digit of it, where 1 is the
+    right-most digit, 2 is the second-right-most digit, etc. Return the
+    original value for invalid input (if input or argument is not an integer,
+    or if argument is less than 1). Otherwise, output is always an integer.
+    """
+    try:
+        arg = int(arg)
+        value = int(value)
+    except ValueError:
+        return value  # Fail silently for an invalid argument
+    if arg < 1:
+        return value
+    try:
+        return int(str(value)[-arg])
+    except IndexError:
+        return 0
+
+
+###################
+# DATES           #
+###################
+
+
+@register.filter(expects_localtime=True, is_safe=False)
+def date(value, arg=None):
+    """Format a date according to the given format."""
+    if value in (None, ""):
+        return ""
+    try:
+        return formats.date_format(value, arg)
+    except AttributeError:
+        try:
+            return format(value, arg)
+        except AttributeError:
+            return ""
+
+
+@register.filter(expects_localtime=True, is_safe=False)
+def time(value, arg=None):
+    """Format a time according to the given format."""
+    if value in (None, ""):
+        return ""
+    try:
+        return formats.time_format(value, arg)
+    except (AttributeError, TypeError):
+        try:
+            return time_format(value, arg)
+        except (AttributeError, TypeError):
+            return ""
+
+
+@register.filter("timesince", is_safe=False)
+def timesince_filter(value, arg=None):
+    """Format a date as the time since that date (i.e. "4 days, 6 hours")."""
+    if not value:
+        return ""
+    try:
+        if arg:
+            return timesince(value, arg)
+        return timesince(value)
+    except (ValueError, TypeError):
+        return ""
+
+
+@register.filter("timeuntil", is_safe=False)
+def timeuntil_filter(value, arg=None):
+    """Format a date as the time until that date (i.e. "4 days, 6 hours")."""
+    if not value:
+        return ""
+    try:
+        return timeuntil(value, arg)
+    except (ValueError, TypeError):
+        return ""
+
+
+###################
+# LOGIC           #
+###################
+
+
+@register.filter(is_safe=False)
+def default(value, arg):
+    """If value is unavailable, use given default."""
+    return value or arg
+
+
+@register.filter(is_safe=False)
+def default_if_none(value, arg):
+    """If value is None, use given default."""
+    if value is None:
+        return arg
+    return value
+
+
+@register.filter(is_safe=False)
+def divisibleby(value, arg):
+    """Return True if the value is divisible by the argument."""
+    return int(value) % int(arg) == 0
+
+
+@register.filter(is_safe=False)
+def yesno(value, arg=None):
+    """
+    Given a string mapping values for true, false, and (optionally) None,
+    return one of those strings according to the value:
+
+    ==========  ======================  ==================================
+    Value       Argument                Outputs
+    ==========  ======================  ==================================
+    ``True``    ``"yeah,no,maybe"``     ``yeah``
+    ``False``   ``"yeah,no,maybe"``     ``no``
+    ``None``    ``"yeah,no,maybe"``     ``maybe``
+    ``None``    ``"yeah,no"``           ``"no"`` (converts None to False
+                                        if no mapping for None is given.
+    ==========  ======================  ==================================
+    """
+    if arg is None:
+        # Translators: Please do not add spaces around commas.
+        arg = gettext("yes,no,maybe")
+    bits = arg.split(",")
+    if len(bits) < 2:
+        return value  # Invalid arg.
+    try:
+        yes, no, maybe = bits
+    except ValueError:
+        # Unpack list of wrong size (no "maybe" value provided).
+        yes, no, maybe = bits[0], bits[1], bits[1]
+    if value is None:
+        return maybe
+    if value:
+        return yes
+    return no
+
+
+###################
+# MISC            #
+###################
+
+
+@register.filter(is_safe=True)
+def filesizeformat(bytes_):
+    """
+    Format the value like a 'human-readable' file size (i.e. 13 KB, 4.1 MB,
+    102 bytes, etc.).
+    """
+    try:
+        bytes_ = int(bytes_)
+    except (TypeError, ValueError, UnicodeDecodeError):
+        value = ngettext("%(size)d byte", "%(size)d bytes", 0) % {"size": 0}
+        return avoid_wrapping(value)
+
+    def filesize_number_format(value):
+        return formats.number_format(round(value, 1), 1)
+
+    KB = 1 << 10
+    MB = 1 << 20
+    GB = 1 << 30
+    TB = 1 << 40
+    PB = 1 << 50
+
+    negative = bytes_ < 0
+    if negative:
+        bytes_ = -bytes_  # Allow formatting of negative numbers.
+
+    if bytes_ < KB:
+        value = ngettext("%(size)d byte", "%(size)d bytes", bytes_) % {"size": bytes_}
+    elif bytes_ < MB:
+        value = gettext("%s KB") % filesize_number_format(bytes_ / KB)
+    elif bytes_ < GB:
+        value = gettext("%s MB") % filesize_number_format(bytes_ / MB)
+    elif bytes_ < TB:
+        value = gettext("%s GB") % filesize_number_format(bytes_ / GB)
+    elif bytes_ < PB:
+        value = gettext("%s TB") % filesize_number_format(bytes_ / TB)
+    else:
+        value = gettext("%s PB") % filesize_number_format(bytes_ / PB)
+
+    if negative:
+        value = "-%s" % value
+    return avoid_wrapping(value)
+
+
+@register.filter(is_safe=False)
+def pluralize(value, arg="s"):
+    """
+    Return a plural suffix if the value is not 1, '1', or an object of
+    length 1. By default, use 's' as the suffix:
+
+    * If value is 0, vote{{ value|pluralize }} display "votes".
+    * If value is 1, vote{{ value|pluralize }} display "vote".
+    * If value is 2, vote{{ value|pluralize }} display "votes".
+
+    If an argument is provided, use that string instead:
+
+    * If value is 0, class{{ value|pluralize:"es" }} display "classes".
+    * If value is 1, class{{ value|pluralize:"es" }} display "class".
+    * If value is 2, class{{ value|pluralize:"es" }} display "classes".
+
+    If the provided argument contains a comma, use the text before the comma
+    for the singular case and the text after the comma for the plural case:
+
+    * If value is 0, cand{{ value|pluralize:"y,ies" }} display "candies".
+    * If value is 1, cand{{ value|pluralize:"y,ies" }} display "candy".
+    * If value is 2, cand{{ value|pluralize:"y,ies" }} display "candies".
+    """
+    if "," not in arg:
+        arg = "," + arg
+    bits = arg.split(",")
+    if len(bits) > 2:
+        return ""
+    singular_suffix, plural_suffix = bits[:2]
+
+    try:
+        return singular_suffix if float(value) == 1 else plural_suffix
+    except ValueError:  # Invalid string that's not a number.
+        pass
+    except TypeError:  # Value isn't a string or a number; maybe it's a list?
+        try:
+            return singular_suffix if len(value) == 1 else plural_suffix
+        except TypeError:  # len() of unsized object.
+            pass
+    return ""
+
+
+@register.filter("phone2numeric", is_safe=True)
+def phone2numeric_filter(value):
+    """Take a phone number and converts it in to its numerical equivalent."""
+    return phone2numeric(value)
+
+
+@register.filter(is_safe=True)
+def pprint(value):
+    """A wrapper around pprint.pprint -- for debugging, really."""
+    try:
+        return pformat(value)
+    except Exception as e:
+        return "Error in formatting: %s: %s" % (e.__class__.__name__, e)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/defaulttags.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/defaulttags.py
new file mode 100644
index 00000000..deb6b01f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/defaulttags.py
@@ -0,0 +1,1501 @@
+"""Default tags used by the template system, available to all templates."""
+
+import re
+import sys
+import warnings
+from collections import namedtuple
+from datetime import datetime
+from itertools import cycle as itertools_cycle
+from itertools import groupby
+
+from django.conf import settings
+from django.utils import timezone
+from django.utils.html import conditional_escape, escape, format_html
+from django.utils.lorem_ipsum import paragraphs, words
+from django.utils.safestring import mark_safe
+
+from .base import (
+    BLOCK_TAG_END,
+    BLOCK_TAG_START,
+    COMMENT_TAG_END,
+    COMMENT_TAG_START,
+    FILTER_SEPARATOR,
+    SINGLE_BRACE_END,
+    SINGLE_BRACE_START,
+    VARIABLE_ATTRIBUTE_SEPARATOR,
+    VARIABLE_TAG_END,
+    VARIABLE_TAG_START,
+    Node,
+    NodeList,
+    TemplateSyntaxError,
+    VariableDoesNotExist,
+    kwarg_re,
+    render_value_in_context,
+    token_kwargs,
+)
+from .context import Context
+from .defaultfilters import date
+from .library import Library
+from .smartif import IfParser, Literal
+
+register = Library()
+
+
+class AutoEscapeControlNode(Node):
+    """Implement the actions of the autoescape tag."""
+
+    def __init__(self, setting, nodelist):
+        self.setting = setting
+        self.nodelist = nodelist
+
+    def render(self, context):
+        old_setting = context.autoescape
+        context.autoescape = self.setting
+        output = self.nodelist.render(context)
+        context.autoescape = old_setting
+        if self.setting:
+            return mark_safe(output)
+        else:
+            return output
+
+
+class CommentNode(Node):
+    child_nodelists = ()
+
+    def render(self, context):
+        return ""
+
+
+class CsrfTokenNode(Node):
+    child_nodelists = ()
+
+    def render(self, context):
+        csrf_token = context.get("csrf_token")
+        if csrf_token:
+            if csrf_token == "NOTPROVIDED":
+                return format_html("")
+            else:
+                return format_html(
+                    '<input type="hidden" name="csrfmiddlewaretoken" value="{}">',
+                    csrf_token,
+                )
+        else:
+            # It's very probable that the token is missing because of
+            # misconfiguration, so we raise a warning
+            if settings.DEBUG:
+                warnings.warn(
+                    "A {% csrf_token %} was used in a template, but the context "
+                    "did not provide the value.  This is usually caused by not "
+                    "using RequestContext."
+                )
+            return ""
+
+
+class CycleNode(Node):
+    def __init__(self, cyclevars, variable_name=None, silent=False):
+        self.cyclevars = cyclevars
+        self.variable_name = variable_name
+        self.silent = silent
+
+    def render(self, context):
+        if self not in context.render_context:
+            # First time the node is rendered in template
+            context.render_context[self] = itertools_cycle(self.cyclevars)
+        cycle_iter = context.render_context[self]
+        value = next(cycle_iter).resolve(context)
+        if self.variable_name:
+            context.set_upward(self.variable_name, value)
+        if self.silent:
+            return ""
+        return render_value_in_context(value, context)
+
+    def reset(self, context):
+        """
+        Reset the cycle iteration back to the beginning.
+        """
+        context.render_context[self] = itertools_cycle(self.cyclevars)
+
+
+class DebugNode(Node):
+    def render(self, context):
+        if not settings.DEBUG:
+            return ""
+
+        from pprint import pformat
+
+        output = [escape(pformat(val)) for val in context]
+        output.append("\n\n")
+        output.append(escape(pformat(sys.modules)))
+        return "".join(output)
+
+
+class FilterNode(Node):
+    def __init__(self, filter_expr, nodelist):
+        self.filter_expr = filter_expr
+        self.nodelist = nodelist
+
+    def render(self, context):
+        output = self.nodelist.render(context)
+        # Apply filters.
+        with context.push(var=output):
+            return self.filter_expr.resolve(context)
+
+
+class FirstOfNode(Node):
+    def __init__(self, variables, asvar=None):
+        self.vars = variables
+        self.asvar = asvar
+
+    def render(self, context):
+        first = ""
+        for var in self.vars:
+            value = var.resolve(context, ignore_failures=True)
+            if value:
+                first = render_value_in_context(value, context)
+                break
+        if self.asvar:
+            context[self.asvar] = first
+            return ""
+        return first
+
+
+class ForNode(Node):
+    child_nodelists = ("nodelist_loop", "nodelist_empty")
+
+    def __init__(
+        self, loopvars, sequence, is_reversed, nodelist_loop, nodelist_empty=None
+    ):
+        self.loopvars = loopvars
+        self.sequence = sequence
+        self.is_reversed = is_reversed
+        self.nodelist_loop = nodelist_loop
+        if nodelist_empty is None:
+            self.nodelist_empty = NodeList()
+        else:
+            self.nodelist_empty = nodelist_empty
+
+    def __repr__(self):
+        reversed_text = " reversed" if self.is_reversed else ""
+        return "<%s: for %s in %s, tail_len: %d%s>" % (
+            self.__class__.__name__,
+            ", ".join(self.loopvars),
+            self.sequence,
+            len(self.nodelist_loop),
+            reversed_text,
+        )
+
+    def render(self, context):
+        if "forloop" in context:
+            parentloop = context["forloop"]
+        else:
+            parentloop = {}
+        with context.push():
+            values = self.sequence.resolve(context, ignore_failures=True)
+            if values is None:
+                values = []
+            if not hasattr(values, "__len__"):
+                values = list(values)
+            len_values = len(values)
+            if len_values < 1:
+                return self.nodelist_empty.render(context)
+            nodelist = []
+            if self.is_reversed:
+                values = reversed(values)
+            num_loopvars = len(self.loopvars)
+            unpack = num_loopvars > 1
+            # Create a forloop value in the context.  We'll update counters on each
+            # iteration just below.
+            loop_dict = context["forloop"] = {"parentloop": parentloop}
+            for i, item in enumerate(values):
+                # Shortcuts for current loop iteration number.
+                loop_dict["counter0"] = i
+                loop_dict["counter"] = i + 1
+                # Reverse counter iteration numbers.
+                loop_dict["revcounter"] = len_values - i
+                loop_dict["revcounter0"] = len_values - i - 1
+                # Boolean values designating first and last times through loop.
+                loop_dict["first"] = i == 0
+                loop_dict["last"] = i == len_values - 1
+
+                pop_context = False
+                if unpack:
+                    # If there are multiple loop variables, unpack the item into
+                    # them.
+                    try:
+                        len_item = len(item)
+                    except TypeError:  # not an iterable
+                        len_item = 1
+                    # Check loop variable count before unpacking
+                    if num_loopvars != len_item:
+                        raise ValueError(
+                            "Need {} values to unpack in for loop; got {}. ".format(
+                                num_loopvars, len_item
+                            ),
+                        )
+                    unpacked_vars = dict(zip(self.loopvars, item))
+                    pop_context = True
+                    context.update(unpacked_vars)
+                else:
+                    context[self.loopvars[0]] = item
+
+                for node in self.nodelist_loop:
+                    nodelist.append(node.render_annotated(context))
+
+                if pop_context:
+                    # Pop the loop variables pushed on to the context to avoid
+                    # the context ending up in an inconsistent state when other
+                    # tags (e.g., include and with) push data to context.
+                    context.pop()
+        return mark_safe("".join(nodelist))
+
+
+class IfChangedNode(Node):
+    child_nodelists = ("nodelist_true", "nodelist_false")
+
+    def __init__(self, nodelist_true, nodelist_false, *varlist):
+        self.nodelist_true = nodelist_true
+        self.nodelist_false = nodelist_false
+        self._varlist = varlist
+
+    def render(self, context):
+        # Init state storage
+        state_frame = self._get_context_stack_frame(context)
+        state_frame.setdefault(self)
+
+        nodelist_true_output = None
+        if self._varlist:
+            # Consider multiple parameters. This behaves like an OR evaluation
+            # of the multiple variables.
+            compare_to = [
+                var.resolve(context, ignore_failures=True) for var in self._varlist
+            ]
+        else:
+            # The "{% ifchanged %}" syntax (without any variables) compares
+            # the rendered output.
+            compare_to = nodelist_true_output = self.nodelist_true.render(context)
+
+        if compare_to != state_frame[self]:
+            state_frame[self] = compare_to
+            # render true block if not already rendered
+            return nodelist_true_output or self.nodelist_true.render(context)
+        elif self.nodelist_false:
+            return self.nodelist_false.render(context)
+        return ""
+
+    def _get_context_stack_frame(self, context):
+        # The Context object behaves like a stack where each template tag can
+        # create a new scope. Find the place where to store the state to detect
+        # changes.
+        if "forloop" in context:
+            # Ifchanged is bound to the local for loop.
+            # When there is a loop-in-loop, the state is bound to the inner loop,
+            # so it resets when the outer loop continues.
+            return context["forloop"]
+        else:
+            # Using ifchanged outside loops. Effectively this is a no-op
+            # because the state is associated with 'self'.
+            return context.render_context
+
+
+class IfNode(Node):
+    def __init__(self, conditions_nodelists):
+        self.conditions_nodelists = conditions_nodelists
+
+    def __repr__(self):
+        return "<%s>" % self.__class__.__name__
+
+    def __iter__(self):
+        for _, nodelist in self.conditions_nodelists:
+            yield from nodelist
+
+    @property
+    def nodelist(self):
+        return NodeList(self)
+
+    def render(self, context):
+        for condition, nodelist in self.conditions_nodelists:
+            if condition is not None:  # if / elif clause
+                try:
+                    match = condition.eval(context)
+                except VariableDoesNotExist:
+                    match = None
+            else:  # else clause
+                match = True
+
+            if match:
+                return nodelist.render(context)
+
+        return ""
+
+
+class LoremNode(Node):
+    def __init__(self, count, method, common):
+        self.count = count
+        self.method = method
+        self.common = common
+
+    def render(self, context):
+        try:
+            count = int(self.count.resolve(context))
+        except (ValueError, TypeError):
+            count = 1
+        if self.method == "w":
+            return words(count, common=self.common)
+        else:
+            paras = paragraphs(count, common=self.common)
+        if self.method == "p":
+            paras = ["<p>%s</p>" % p for p in paras]
+        return "\n\n".join(paras)
+
+
+GroupedResult = namedtuple("GroupedResult", ["grouper", "list"])
+
+
+class RegroupNode(Node):
+    def __init__(self, target, expression, var_name):
+        self.target = target
+        self.expression = expression
+        self.var_name = var_name
+
+    def resolve_expression(self, obj, context):
+        # This method is called for each object in self.target. See regroup()
+        # for the reason why we temporarily put the object in the context.
+        context[self.var_name] = obj
+        return self.expression.resolve(context, ignore_failures=True)
+
+    def render(self, context):
+        obj_list = self.target.resolve(context, ignore_failures=True)
+        if obj_list is None:
+            # target variable wasn't found in context; fail silently.
+            context[self.var_name] = []
+            return ""
+        # List of dictionaries in the format:
+        # {'grouper': 'key', 'list': [list of contents]}.
+        context[self.var_name] = [
+            GroupedResult(grouper=key, list=list(val))
+            for key, val in groupby(
+                obj_list, lambda obj: self.resolve_expression(obj, context)
+            )
+        ]
+        return ""
+
+
+class LoadNode(Node):
+    child_nodelists = ()
+
+    def render(self, context):
+        return ""
+
+
+class NowNode(Node):
+    def __init__(self, format_string, asvar=None):
+        self.format_string = format_string
+        self.asvar = asvar
+
+    def render(self, context):
+        tzinfo = timezone.get_current_timezone() if settings.USE_TZ else None
+        formatted = date(datetime.now(tz=tzinfo), self.format_string)
+
+        if self.asvar:
+            context[self.asvar] = formatted
+            return ""
+        else:
+            return formatted
+
+
+class ResetCycleNode(Node):
+    def __init__(self, node):
+        self.node = node
+
+    def render(self, context):
+        self.node.reset(context)
+        return ""
+
+
+class SpacelessNode(Node):
+    def __init__(self, nodelist):
+        self.nodelist = nodelist
+
+    def render(self, context):
+        from django.utils.html import strip_spaces_between_tags
+
+        return strip_spaces_between_tags(self.nodelist.render(context).strip())
+
+
+class TemplateTagNode(Node):
+    mapping = {
+        "openblock": BLOCK_TAG_START,
+        "closeblock": BLOCK_TAG_END,
+        "openvariable": VARIABLE_TAG_START,
+        "closevariable": VARIABLE_TAG_END,
+        "openbrace": SINGLE_BRACE_START,
+        "closebrace": SINGLE_BRACE_END,
+        "opencomment": COMMENT_TAG_START,
+        "closecomment": COMMENT_TAG_END,
+    }
+
+    def __init__(self, tagtype):
+        self.tagtype = tagtype
+
+    def render(self, context):
+        return self.mapping.get(self.tagtype, "")
+
+
+class URLNode(Node):
+    child_nodelists = ()
+
+    def __init__(self, view_name, args, kwargs, asvar):
+        self.view_name = view_name
+        self.args = args
+        self.kwargs = kwargs
+        self.asvar = asvar
+
+    def __repr__(self):
+        return "<%s view_name='%s' args=%s kwargs=%s as=%s>" % (
+            self.__class__.__qualname__,
+            self.view_name,
+            repr(self.args),
+            repr(self.kwargs),
+            repr(self.asvar),
+        )
+
+    def render(self, context):
+        from django.urls import NoReverseMatch, reverse
+
+        args = [arg.resolve(context) for arg in self.args]
+        kwargs = {k: v.resolve(context) for k, v in self.kwargs.items()}
+        view_name = self.view_name.resolve(context)
+        try:
+            current_app = context.request.current_app
+        except AttributeError:
+            try:
+                current_app = context.request.resolver_match.namespace
+            except AttributeError:
+                current_app = None
+        # Try to look up the URL. If it fails, raise NoReverseMatch unless the
+        # {% url ... as var %} construct is used, in which case return nothing.
+        url = ""
+        try:
+            url = reverse(view_name, args=args, kwargs=kwargs, current_app=current_app)
+        except NoReverseMatch:
+            if self.asvar is None:
+                raise
+
+        if self.asvar:
+            context[self.asvar] = url
+            return ""
+        else:
+            if context.autoescape:
+                url = conditional_escape(url)
+            return url
+
+
+class VerbatimNode(Node):
+    def __init__(self, content):
+        self.content = content
+
+    def render(self, context):
+        return self.content
+
+
+class WidthRatioNode(Node):
+    def __init__(self, val_expr, max_expr, max_width, asvar=None):
+        self.val_expr = val_expr
+        self.max_expr = max_expr
+        self.max_width = max_width
+        self.asvar = asvar
+
+    def render(self, context):
+        try:
+            value = self.val_expr.resolve(context)
+            max_value = self.max_expr.resolve(context)
+            max_width = int(self.max_width.resolve(context))
+        except VariableDoesNotExist:
+            return ""
+        except (ValueError, TypeError):
+            raise TemplateSyntaxError("widthratio final argument must be a number")
+        try:
+            value = float(value)
+            max_value = float(max_value)
+            ratio = (value / max_value) * max_width
+            result = str(round(ratio))
+        except ZeroDivisionError:
+            result = "0"
+        except (ValueError, TypeError, OverflowError):
+            result = ""
+
+        if self.asvar:
+            context[self.asvar] = result
+            return ""
+        else:
+            return result
+
+
+class WithNode(Node):
+    def __init__(self, var, name, nodelist, extra_context=None):
+        self.nodelist = nodelist
+        # var and name are legacy attributes, being left in case they are used
+        # by third-party subclasses of this Node.
+        self.extra_context = extra_context or {}
+        if name:
+            self.extra_context[name] = var
+
+    def __repr__(self):
+        return "<%s>" % self.__class__.__name__
+
+    def render(self, context):
+        values = {key: val.resolve(context) for key, val in self.extra_context.items()}
+        with context.push(**values):
+            return self.nodelist.render(context)
+
+
+@register.tag
+def autoescape(parser, token):
+    """
+    Force autoescape behavior for this block.
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    args = token.contents.split()
+    if len(args) != 2:
+        raise TemplateSyntaxError("'autoescape' tag requires exactly one argument.")
+    arg = args[1]
+    if arg not in ("on", "off"):
+        raise TemplateSyntaxError("'autoescape' argument should be 'on' or 'off'")
+    nodelist = parser.parse(("endautoescape",))
+    parser.delete_first_token()
+    return AutoEscapeControlNode((arg == "on"), nodelist)
+
+
+@register.tag
+def comment(parser, token):
+    """
+    Ignore everything between ``{% comment %}`` and ``{% endcomment %}``.
+    """
+    parser.skip_past("endcomment")
+    return CommentNode()
+
+
+@register.tag
+def cycle(parser, token):
+    """
+    Cycle among the given strings each time this tag is encountered.
+
+    Within a loop, cycles among the given strings each time through
+    the loop::
+
+        {% for o in some_list %}
+            <tr class="{% cycle 'row1' 'row2' %}">
+                ...
+            </tr>
+        {% endfor %}
+
+    Outside of a loop, give the values a unique name the first time you call
+    it, then use that name each successive time through::
+
+            <tr class="{% cycle 'row1' 'row2' 'row3' as rowcolors %}">...</tr>
+            <tr class="{% cycle rowcolors %}">...</tr>
+            <tr class="{% cycle rowcolors %}">...</tr>
+
+    You can use any number of values, separated by spaces. Commas can also
+    be used to separate values; if a comma is used, the cycle values are
+    interpreted as literal strings.
+
+    The optional flag "silent" can be used to prevent the cycle declaration
+    from returning any value::
+
+        {% for o in some_list %}
+            {% cycle 'row1' 'row2' as rowcolors silent %}
+            <tr class="{{ rowcolors }}">{% include "subtemplate.html " %}</tr>
+        {% endfor %}
+    """
+    # Note: This returns the exact same node on each {% cycle name %} call;
+    # that is, the node object returned from {% cycle a b c as name %} and the
+    # one returned from {% cycle name %} are the exact same object. This
+    # shouldn't cause problems (heh), but if it does, now you know.
+    #
+    # Ugly hack warning: This stuffs the named template dict into parser so
+    # that names are only unique within each template (as opposed to using
+    # a global variable, which would make cycle names have to be unique across
+    # *all* templates.
+    #
+    # It keeps the last node in the parser to be able to reset it with
+    # {% resetcycle %}.
+
+    args = token.split_contents()
+
+    if len(args) < 2:
+        raise TemplateSyntaxError("'cycle' tag requires at least two arguments")
+
+    if len(args) == 2:
+        # {% cycle foo %} case.
+        name = args[1]
+        if not hasattr(parser, "_named_cycle_nodes"):
+            raise TemplateSyntaxError(
+                "No named cycles in template. '%s' is not defined" % name
+            )
+        if name not in parser._named_cycle_nodes:
+            raise TemplateSyntaxError("Named cycle '%s' does not exist" % name)
+        return parser._named_cycle_nodes[name]
+
+    as_form = False
+
+    if len(args) > 4:
+        # {% cycle ... as foo [silent] %} case.
+        if args[-3] == "as":
+            if args[-1] != "silent":
+                raise TemplateSyntaxError(
+                    "Only 'silent' flag is allowed after cycle's name, not '%s'."
+                    % args[-1]
+                )
+            as_form = True
+            silent = True
+            args = args[:-1]
+        elif args[-2] == "as":
+            as_form = True
+            silent = False
+
+    if as_form:
+        name = args[-1]
+        values = [parser.compile_filter(arg) for arg in args[1:-2]]
+        node = CycleNode(values, name, silent=silent)
+        if not hasattr(parser, "_named_cycle_nodes"):
+            parser._named_cycle_nodes = {}
+        parser._named_cycle_nodes[name] = node
+    else:
+        values = [parser.compile_filter(arg) for arg in args[1:]]
+        node = CycleNode(values)
+    parser._last_cycle_node = node
+    return node
+
+
+@register.tag
+def csrf_token(parser, token):
+    return CsrfTokenNode()
+
+
+@register.tag
+def debug(parser, token):
+    """
+    Output a whole load of debugging information, including the current
+    context and imported modules.
+
+    Sample usage::
+
+        <pre>
+            {% debug %}
+        </pre>
+    """
+    return DebugNode()
+
+
+@register.tag("filter")
+def do_filter(parser, token):
+    """
+    Filter the contents of the block through variable filters.
+
+    Filters can also be piped through each other, and they can have
+    arguments -- just like in variable syntax.
+
+    Sample usage::
+
+        {% filter force_escape|lower %}
+            This text will be HTML-escaped, and will appear in lowercase.
+        {% endfilter %}
+
+    Note that the ``escape`` and ``safe`` filters are not acceptable arguments.
+    Instead, use the ``autoescape`` tag to manage autoescaping for blocks of
+    template code.
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    _, rest = token.contents.split(None, 1)
+    filter_expr = parser.compile_filter("var|%s" % (rest))
+    for func, unused in filter_expr.filters:
+        filter_name = getattr(func, "_filter_name", None)
+        if filter_name in ("escape", "safe"):
+            raise TemplateSyntaxError(
+                '"filter %s" is not permitted.  Use the "autoescape" tag instead.'
+                % filter_name
+            )
+    nodelist = parser.parse(("endfilter",))
+    parser.delete_first_token()
+    return FilterNode(filter_expr, nodelist)
+
+
+@register.tag
+def firstof(parser, token):
+    """
+    Output the first variable passed that is not False.
+
+    Output nothing if all the passed variables are False.
+
+    Sample usage::
+
+        {% firstof var1 var2 var3 as myvar %}
+
+    This is equivalent to::
+
+        {% if var1 %}
+            {{ var1 }}
+        {% elif var2 %}
+            {{ var2 }}
+        {% elif var3 %}
+            {{ var3 }}
+        {% endif %}
+
+    but much cleaner!
+
+    You can also use a literal string as a fallback value in case all
+    passed variables are False::
+
+        {% firstof var1 var2 var3 "fallback value" %}
+
+    If you want to disable auto-escaping of variables you can use::
+
+        {% autoescape off %}
+            {% firstof var1 var2 var3 "<strong>fallback value</strong>" %}
+        {% autoescape %}
+
+    Or if only some variables should be escaped, you can use::
+
+        {% firstof var1 var2|safe var3 "<strong>fallback value</strong>"|safe %}
+    """
+    bits = token.split_contents()[1:]
+    asvar = None
+    if not bits:
+        raise TemplateSyntaxError("'firstof' statement requires at least one argument")
+
+    if len(bits) >= 2 and bits[-2] == "as":
+        asvar = bits[-1]
+        bits = bits[:-2]
+    return FirstOfNode([parser.compile_filter(bit) for bit in bits], asvar)
+
+
+@register.tag("for")
+def do_for(parser, token):
+    """
+    Loop over each item in an array.
+
+    For example, to display a list of athletes given ``athlete_list``::
+
+        <ul>
+        {% for athlete in athlete_list %}
+            <li>{{ athlete.name }}</li>
+        {% endfor %}
+        </ul>
+
+    You can loop over a list in reverse by using
+    ``{% for obj in list reversed %}``.
+
+    You can also unpack multiple values from a two-dimensional array::
+
+        {% for key,value in dict.items %}
+            {{ key }}: {{ value }}
+        {% endfor %}
+
+    The ``for`` tag can take an optional ``{% empty %}`` clause that will
+    be displayed if the given array is empty or could not be found::
+
+        <ul>
+          {% for athlete in athlete_list %}
+            <li>{{ athlete.name }}</li>
+          {% empty %}
+            <li>Sorry, no athletes in this list.</li>
+          {% endfor %}
+        <ul>
+
+    The above is equivalent to -- but shorter, cleaner, and possibly faster
+    than -- the following::
+
+        <ul>
+          {% if athlete_list %}
+            {% for athlete in athlete_list %}
+              <li>{{ athlete.name }}</li>
+            {% endfor %}
+          {% else %}
+            <li>Sorry, no athletes in this list.</li>
+          {% endif %}
+        </ul>
+
+    The for loop sets a number of variables available within the loop:
+
+        ==========================  ================================================
+        Variable                    Description
+        ==========================  ================================================
+        ``forloop.counter``         The current iteration of the loop (1-indexed)
+        ``forloop.counter0``        The current iteration of the loop (0-indexed)
+        ``forloop.revcounter``      The number of iterations from the end of the
+                                    loop (1-indexed)
+        ``forloop.revcounter0``     The number of iterations from the end of the
+                                    loop (0-indexed)
+        ``forloop.first``           True if this is the first time through the loop
+        ``forloop.last``            True if this is the last time through the loop
+        ``forloop.parentloop``      For nested loops, this is the loop "above" the
+                                    current one
+        ==========================  ================================================
+    """
+    bits = token.split_contents()
+    if len(bits) < 4:
+        raise TemplateSyntaxError(
+            "'for' statements should have at least four words: %s" % token.contents
+        )
+
+    is_reversed = bits[-1] == "reversed"
+    in_index = -3 if is_reversed else -2
+    if bits[in_index] != "in":
+        raise TemplateSyntaxError(
+            "'for' statements should use the format"
+            " 'for x in y': %s" % token.contents
+        )
+
+    invalid_chars = frozenset((" ", '"', "'", FILTER_SEPARATOR))
+    loopvars = re.split(r" *, *", " ".join(bits[1:in_index]))
+    for var in loopvars:
+        if not var or not invalid_chars.isdisjoint(var):
+            raise TemplateSyntaxError(
+                "'for' tag received an invalid argument: %s" % token.contents
+            )
+
+    sequence = parser.compile_filter(bits[in_index + 1])
+    nodelist_loop = parser.parse(
+        (
+            "empty",
+            "endfor",
+        )
+    )
+    token = parser.next_token()
+    if token.contents == "empty":
+        nodelist_empty = parser.parse(("endfor",))
+        parser.delete_first_token()
+    else:
+        nodelist_empty = None
+    return ForNode(loopvars, sequence, is_reversed, nodelist_loop, nodelist_empty)
+
+
+class TemplateLiteral(Literal):
+    def __init__(self, value, text):
+        self.value = value
+        self.text = text  # for better error messages
+
+    def display(self):
+        return self.text
+
+    def eval(self, context):
+        return self.value.resolve(context, ignore_failures=True)
+
+
+class TemplateIfParser(IfParser):
+    error_class = TemplateSyntaxError
+
+    def __init__(self, parser, *args, **kwargs):
+        self.template_parser = parser
+        super().__init__(*args, **kwargs)
+
+    def create_var(self, value):
+        return TemplateLiteral(self.template_parser.compile_filter(value), value)
+
+
+@register.tag("if")
+def do_if(parser, token):
+    """
+    Evaluate a variable, and if that variable is "true" (i.e., exists, is not
+    empty, and is not a false boolean value), output the contents of the block:
+
+    ::
+
+        {% if athlete_list %}
+            Number of athletes: {{ athlete_list|count }}
+        {% elif athlete_in_locker_room_list %}
+            Athletes should be out of the locker room soon!
+        {% else %}
+            No athletes.
+        {% endif %}
+
+    In the above, if ``athlete_list`` is not empty, the number of athletes will
+    be displayed by the ``{{ athlete_list|count }}`` variable.
+
+    The ``if`` tag may take one or several `` {% elif %}`` clauses, as well as
+    an ``{% else %}`` clause that will be displayed if all previous conditions
+    fail. These clauses are optional.
+
+    ``if`` tags may use ``or``, ``and`` or ``not`` to test a number of
+    variables or to negate a given variable::
+
+        {% if not athlete_list %}
+            There are no athletes.
+        {% endif %}
+
+        {% if athlete_list or coach_list %}
+            There are some athletes or some coaches.
+        {% endif %}
+
+        {% if athlete_list and coach_list %}
+            Both athletes and coaches are available.
+        {% endif %}
+
+        {% if not athlete_list or coach_list %}
+            There are no athletes, or there are some coaches.
+        {% endif %}
+
+        {% if athlete_list and not coach_list %}
+            There are some athletes and absolutely no coaches.
+        {% endif %}
+
+    Comparison operators are also available, and the use of filters is also
+    allowed, for example::
+
+        {% if articles|length >= 5 %}...{% endif %}
+
+    Arguments and operators _must_ have a space between them, so
+    ``{% if 1>2 %}`` is not a valid if tag.
+
+    All supported operators are: ``or``, ``and``, ``in``, ``not in``
+    ``==``, ``!=``, ``>``, ``>=``, ``<`` and ``<=``.
+
+    Operator precedence follows Python.
+    """
+    # {% if ... %}
+    bits = token.split_contents()[1:]
+    condition = TemplateIfParser(parser, bits).parse()
+    nodelist = parser.parse(("elif", "else", "endif"))
+    conditions_nodelists = [(condition, nodelist)]
+    token = parser.next_token()
+
+    # {% elif ... %} (repeatable)
+    while token.contents.startswith("elif"):
+        bits = token.split_contents()[1:]
+        condition = TemplateIfParser(parser, bits).parse()
+        nodelist = parser.parse(("elif", "else", "endif"))
+        conditions_nodelists.append((condition, nodelist))
+        token = parser.next_token()
+
+    # {% else %} (optional)
+    if token.contents == "else":
+        nodelist = parser.parse(("endif",))
+        conditions_nodelists.append((None, nodelist))
+        token = parser.next_token()
+
+    # {% endif %}
+    if token.contents != "endif":
+        raise TemplateSyntaxError(
+            'Malformed template tag at line {}: "{}"'.format(
+                token.lineno, token.contents
+            )
+        )
+
+    return IfNode(conditions_nodelists)
+
+
+@register.tag
+def ifchanged(parser, token):
+    """
+    Check if a value has changed from the last iteration of a loop.
+
+    The ``{% ifchanged %}`` block tag is used within a loop. It has two
+    possible uses.
+
+    1. Check its own rendered contents against its previous state and only
+       displays the content if it has changed. For example, this displays a
+       list of days, only displaying the month if it changes::
+
+            <h1>Archive for {{ year }}</h1>
+
+            {% for date in days %}
+                {% ifchanged %}<h3>{{ date|date:"F" }}</h3>{% endifchanged %}
+                <a href="{{ date|date:"M/d"|lower }}/">{{ date|date:"j" }}</a>
+            {% endfor %}
+
+    2. If given one or more variables, check whether any variable has changed.
+       For example, the following shows the date every time it changes, while
+       showing the hour if either the hour or the date has changed::
+
+            {% for date in days %}
+                {% ifchanged date.date %} {{ date.date }} {% endifchanged %}
+                {% ifchanged date.hour date.date %}
+                    {{ date.hour }}
+                {% endifchanged %}
+            {% endfor %}
+    """
+    bits = token.split_contents()
+    nodelist_true = parser.parse(("else", "endifchanged"))
+    token = parser.next_token()
+    if token.contents == "else":
+        nodelist_false = parser.parse(("endifchanged",))
+        parser.delete_first_token()
+    else:
+        nodelist_false = NodeList()
+    values = [parser.compile_filter(bit) for bit in bits[1:]]
+    return IfChangedNode(nodelist_true, nodelist_false, *values)
+
+
+def find_library(parser, name):
+    try:
+        return parser.libraries[name]
+    except KeyError:
+        raise TemplateSyntaxError(
+            "'%s' is not a registered tag library. Must be one of:\n%s"
+            % (
+                name,
+                "\n".join(sorted(parser.libraries)),
+            ),
+        )
+
+
+def load_from_library(library, label, names):
+    """
+    Return a subset of tags and filters from a library.
+    """
+    subset = Library()
+    for name in names:
+        found = False
+        if name in library.tags:
+            found = True
+            subset.tags[name] = library.tags[name]
+        if name in library.filters:
+            found = True
+            subset.filters[name] = library.filters[name]
+        if found is False:
+            raise TemplateSyntaxError(
+                "'%s' is not a valid tag or filter in tag library '%s'"
+                % (
+                    name,
+                    label,
+                ),
+            )
+    return subset
+
+
+@register.tag
+def load(parser, token):
+    """
+    Load a custom template tag library into the parser.
+
+    For example, to load the template tags in
+    ``django/templatetags/news/photos.py``::
+
+        {% load news.photos %}
+
+    Can also be used to load an individual tag/filter from
+    a library::
+
+        {% load byline from news %}
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    bits = token.contents.split()
+    if len(bits) >= 4 and bits[-2] == "from":
+        # from syntax is used; load individual tags from the library
+        name = bits[-1]
+        lib = find_library(parser, name)
+        subset = load_from_library(lib, name, bits[1:-2])
+        parser.add_library(subset)
+    else:
+        # one or more libraries are specified; load and add them to the parser
+        for name in bits[1:]:
+            lib = find_library(parser, name)
+            parser.add_library(lib)
+    return LoadNode()
+
+
+@register.tag
+def lorem(parser, token):
+    """
+    Create random Latin text useful for providing test data in templates.
+
+    Usage format::
+
+        {% lorem [count] [method] [random] %}
+
+    ``count`` is a number (or variable) containing the number of paragraphs or
+    words to generate (default is 1).
+
+    ``method`` is either ``w`` for words, ``p`` for HTML paragraphs, ``b`` for
+    plain-text paragraph blocks (default is ``b``).
+
+    ``random`` is the word ``random``, which if given, does not use the common
+    paragraph (starting "Lorem ipsum dolor sit amet, consectetuer...").
+
+    Examples:
+
+    * ``{% lorem %}`` outputs the common "lorem ipsum" paragraph
+    * ``{% lorem 3 p %}`` outputs the common "lorem ipsum" paragraph
+      and two random paragraphs each wrapped in HTML ``<p>`` tags
+    * ``{% lorem 2 w random %}`` outputs two random latin words
+    """
+    bits = list(token.split_contents())
+    tagname = bits[0]
+    # Random bit
+    common = bits[-1] != "random"
+    if not common:
+        bits.pop()
+    # Method bit
+    if bits[-1] in ("w", "p", "b"):
+        method = bits.pop()
+    else:
+        method = "b"
+    # Count bit
+    if len(bits) > 1:
+        count = bits.pop()
+    else:
+        count = "1"
+    count = parser.compile_filter(count)
+    if len(bits) != 1:
+        raise TemplateSyntaxError("Incorrect format for %r tag" % tagname)
+    return LoremNode(count, method, common)
+
+
+@register.tag
+def now(parser, token):
+    """
+    Display the date, formatted according to the given string.
+
+    Use the same format as PHP's ``date()`` function; see https://php.net/date
+    for all the possible values.
+
+    Sample usage::
+
+        It is {% now "jS F Y H:i" %}
+    """
+    bits = token.split_contents()
+    asvar = None
+    if len(bits) == 4 and bits[-2] == "as":
+        asvar = bits[-1]
+        bits = bits[:-2]
+    if len(bits) != 2:
+        raise TemplateSyntaxError("'now' statement takes one argument")
+    format_string = bits[1][1:-1]
+    return NowNode(format_string, asvar)
+
+
+@register.tag
+def regroup(parser, token):
+    """
+    Regroup a list of alike objects by a common attribute.
+
+    This complex tag is best illustrated by use of an example: say that
+    ``musicians`` is a list of ``Musician`` objects that have ``name`` and
+    ``instrument`` attributes, and you'd like to display a list that
+    looks like:
+
+        * Guitar:
+            * Django Reinhardt
+            * Emily Remler
+        * Piano:
+            * Lovie Austin
+            * Bud Powell
+        * Trumpet:
+            * Duke Ellington
+
+    The following snippet of template code would accomplish this dubious task::
+
+        {% regroup musicians by instrument as grouped %}
+        <ul>
+        {% for group in grouped %}
+            <li>{{ group.grouper }}
+            <ul>
+                {% for musician in group.list %}
+                <li>{{ musician.name }}</li>
+                {% endfor %}
+            </ul>
+        {% endfor %}
+        </ul>
+
+    As you can see, ``{% regroup %}`` populates a variable with a list of
+    objects with ``grouper`` and ``list`` attributes. ``grouper`` contains the
+    item that was grouped by; ``list`` contains the list of objects that share
+    that ``grouper``. In this case, ``grouper`` would be ``Guitar``, ``Piano``
+    and ``Trumpet``, and ``list`` is the list of musicians who play this
+    instrument.
+
+    Note that ``{% regroup %}`` does not work when the list to be grouped is not
+    sorted by the key you are grouping by! This means that if your list of
+    musicians was not sorted by instrument, you'd need to make sure it is sorted
+    before using it, i.e.::
+
+        {% regroup musicians|dictsort:"instrument" by instrument as grouped %}
+    """
+    bits = token.split_contents()
+    if len(bits) != 6:
+        raise TemplateSyntaxError("'regroup' tag takes five arguments")
+    target = parser.compile_filter(bits[1])
+    if bits[2] != "by":
+        raise TemplateSyntaxError("second argument to 'regroup' tag must be 'by'")
+    if bits[4] != "as":
+        raise TemplateSyntaxError("next-to-last argument to 'regroup' tag must be 'as'")
+    var_name = bits[5]
+    # RegroupNode will take each item in 'target', put it in the context under
+    # 'var_name', evaluate 'var_name'.'expression' in the current context, and
+    # group by the resulting value. After all items are processed, it will
+    # save the final result in the context under 'var_name', thus clearing the
+    # temporary values. This hack is necessary because the template engine
+    # doesn't provide a context-aware equivalent of Python's getattr.
+    expression = parser.compile_filter(
+        var_name + VARIABLE_ATTRIBUTE_SEPARATOR + bits[3]
+    )
+    return RegroupNode(target, expression, var_name)
+
+
+@register.tag
+def resetcycle(parser, token):
+    """
+    Reset a cycle tag.
+
+    If an argument is given, reset the last rendered cycle tag whose name
+    matches the argument, else reset the last rendered cycle tag (named or
+    unnamed).
+    """
+    args = token.split_contents()
+
+    if len(args) > 2:
+        raise TemplateSyntaxError("%r tag accepts at most one argument." % args[0])
+
+    if len(args) == 2:
+        name = args[1]
+        try:
+            return ResetCycleNode(parser._named_cycle_nodes[name])
+        except (AttributeError, KeyError):
+            raise TemplateSyntaxError("Named cycle '%s' does not exist." % name)
+    try:
+        return ResetCycleNode(parser._last_cycle_node)
+    except AttributeError:
+        raise TemplateSyntaxError("No cycles in template.")
+
+
+@register.tag
+def spaceless(parser, token):
+    """
+    Remove whitespace between HTML tags, including tab and newline characters.
+
+    Example usage::
+
+        {% spaceless %}
+            <p>
+                <a href="foo/">Foo</a>
+            </p>
+        {% endspaceless %}
+
+    This example returns this HTML::
+
+        <p><a href="foo/">Foo</a></p>
+
+    Only space between *tags* is normalized -- not space between tags and text.
+    In this example, the space around ``Hello`` isn't stripped::
+
+        {% spaceless %}
+            <strong>
+                Hello
+            </strong>
+        {% endspaceless %}
+    """
+    nodelist = parser.parse(("endspaceless",))
+    parser.delete_first_token()
+    return SpacelessNode(nodelist)
+
+
+@register.tag
+def templatetag(parser, token):
+    """
+    Output one of the bits used to compose template tags.
+
+    Since the template system has no concept of "escaping", to display one of
+    the bits used in template tags, you must use the ``{% templatetag %}`` tag.
+
+    The argument tells which template bit to output:
+
+        ==================  =======
+        Argument            Outputs
+        ==================  =======
+        ``openblock``       ``{%``
+        ``closeblock``      ``%}``
+        ``openvariable``    ``{{``
+        ``closevariable``   ``}}``
+        ``openbrace``       ``{``
+        ``closebrace``      ``}``
+        ``opencomment``     ``{#``
+        ``closecomment``    ``#}``
+        ==================  =======
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    bits = token.contents.split()
+    if len(bits) != 2:
+        raise TemplateSyntaxError("'templatetag' statement takes one argument")
+    tag = bits[1]
+    if tag not in TemplateTagNode.mapping:
+        raise TemplateSyntaxError(
+            "Invalid templatetag argument: '%s'."
+            " Must be one of: %s" % (tag, list(TemplateTagNode.mapping))
+        )
+    return TemplateTagNode(tag)
+
+
+@register.tag
+def url(parser, token):
+    r"""
+    Return an absolute URL matching the given view with its parameters.
+
+    This is a way to define links that aren't tied to a particular URL
+    configuration::
+
+        {% url "url_name" arg1 arg2 %}
+
+        or
+
+        {% url "url_name" name1=value1 name2=value2 %}
+
+    The first argument is a URL pattern name. Other arguments are
+    space-separated values that will be filled in place of positional and
+    keyword arguments in the URL. Don't mix positional and keyword arguments.
+    All arguments for the URL must be present.
+
+    For example, if you have a view ``app_name.views.client_details`` taking
+    the client's id and the corresponding line in a URLconf looks like this::
+
+        path('client/<int:id>/', views.client_details, name='client-detail-view')
+
+    and this app's URLconf is included into the project's URLconf under some
+    path::
+
+        path('clients/', include('app_name.urls'))
+
+    then in a template you can create a link for a certain client like this::
+
+        {% url "client-detail-view" client.id %}
+
+    The URL will look like ``/clients/client/123/``.
+
+    The first argument may also be the name of a template variable that will be
+    evaluated to obtain the view name or the URL name, e.g.::
+
+        {% with url_name="client-detail-view" %}
+        {% url url_name client.id %}
+        {% endwith %}
+    """
+    bits = token.split_contents()
+    if len(bits) < 2:
+        raise TemplateSyntaxError(
+            "'%s' takes at least one argument, a URL pattern name." % bits[0]
+        )
+    viewname = parser.compile_filter(bits[1])
+    args = []
+    kwargs = {}
+    asvar = None
+    bits = bits[2:]
+    if len(bits) >= 2 and bits[-2] == "as":
+        asvar = bits[-1]
+        bits = bits[:-2]
+
+    for bit in bits:
+        match = kwarg_re.match(bit)
+        if not match:
+            raise TemplateSyntaxError("Malformed arguments to url tag")
+        name, value = match.groups()
+        if name:
+            kwargs[name] = parser.compile_filter(value)
+        else:
+            args.append(parser.compile_filter(value))
+
+    return URLNode(viewname, args, kwargs, asvar)
+
+
+@register.tag
+def verbatim(parser, token):
+    """
+    Stop the template engine from rendering the contents of this block tag.
+
+    Usage::
+
+        {% verbatim %}
+            {% don't process this %}
+        {% endverbatim %}
+
+    You can also designate a specific closing tag block (allowing the
+    unrendered use of ``{% endverbatim %}``)::
+
+        {% verbatim myblock %}
+            ...
+        {% endverbatim myblock %}
+    """
+    nodelist = parser.parse(("endverbatim",))
+    parser.delete_first_token()
+    return VerbatimNode(nodelist.render(Context()))
+
+
+@register.tag
+def widthratio(parser, token):
+    """
+    For creating bar charts and such. Calculate the ratio of a given value to a
+    maximum value, and then apply that ratio to a constant.
+
+    For example::
+
+        <img src="bar.png" alt="Bar"
+             height="10" width="{% widthratio this_value max_value max_width %}">
+
+    If ``this_value`` is 175, ``max_value`` is 200, and ``max_width`` is 100,
+    the image in the above example will be 88 pixels wide
+    (because 175/200 = .875; .875 * 100 = 87.5 which is rounded up to 88).
+
+    In some cases you might want to capture the result of widthratio in a
+    variable. It can be useful for instance in a blocktranslate like this::
+
+        {% widthratio this_value max_value max_width as width %}
+        {% blocktranslate %}The width is: {{ width }}{% endblocktranslate %}
+    """
+    bits = token.split_contents()
+    if len(bits) == 4:
+        tag, this_value_expr, max_value_expr, max_width = bits
+        asvar = None
+    elif len(bits) == 6:
+        tag, this_value_expr, max_value_expr, max_width, as_, asvar = bits
+        if as_ != "as":
+            raise TemplateSyntaxError(
+                "Invalid syntax in widthratio tag. Expecting 'as' keyword"
+            )
+    else:
+        raise TemplateSyntaxError("widthratio takes at least three arguments")
+
+    return WidthRatioNode(
+        parser.compile_filter(this_value_expr),
+        parser.compile_filter(max_value_expr),
+        parser.compile_filter(max_width),
+        asvar=asvar,
+    )
+
+
+@register.tag("with")
+def do_with(parser, token):
+    """
+    Add one or more values to the context (inside of this block) for caching
+    and easy access.
+
+    For example::
+
+        {% with total=person.some_sql_method %}
+            {{ total }} object{{ total|pluralize }}
+        {% endwith %}
+
+    Multiple values can be added to the context::
+
+        {% with foo=1 bar=2 %}
+            ...
+        {% endwith %}
+
+    The legacy format of ``{% with person.some_sql_method as total %}`` is
+    still accepted.
+    """
+    bits = token.split_contents()
+    remaining_bits = bits[1:]
+    extra_context = token_kwargs(remaining_bits, parser, support_legacy=True)
+    if not extra_context:
+        raise TemplateSyntaxError(
+            "%r expected at least one variable assignment" % bits[0]
+        )
+    if remaining_bits:
+        raise TemplateSyntaxError(
+            "%r received an invalid token: %r" % (bits[0], remaining_bits[0])
+        )
+    nodelist = parser.parse(("endwith",))
+    parser.delete_first_token()
+    return WithNode(None, None, nodelist, extra_context=extra_context)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/engine.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/engine.py
new file mode 100644
index 00000000..9882d3a1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/engine.py
@@ -0,0 +1,214 @@
+import functools
+
+from django.core.exceptions import ImproperlyConfigured
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+
+from .base import Template
+from .context import Context, _builtin_context_processors
+from .exceptions import TemplateDoesNotExist
+from .library import import_library
+
+
+class Engine:
+    default_builtins = [
+        "django.template.defaulttags",
+        "django.template.defaultfilters",
+        "django.template.loader_tags",
+    ]
+
+    def __init__(
+        self,
+        dirs=None,
+        app_dirs=False,
+        context_processors=None,
+        debug=False,
+        loaders=None,
+        string_if_invalid="",
+        file_charset="utf-8",
+        libraries=None,
+        builtins=None,
+        autoescape=True,
+    ):
+        if dirs is None:
+            dirs = []
+        if context_processors is None:
+            context_processors = []
+        if loaders is None:
+            loaders = ["django.template.loaders.filesystem.Loader"]
+            if app_dirs:
+                loaders += ["django.template.loaders.app_directories.Loader"]
+            loaders = [("django.template.loaders.cached.Loader", loaders)]
+        else:
+            if app_dirs:
+                raise ImproperlyConfigured(
+                    "app_dirs must not be set when loaders is defined."
+                )
+        if libraries is None:
+            libraries = {}
+        if builtins is None:
+            builtins = []
+
+        self.dirs = dirs
+        self.app_dirs = app_dirs
+        self.autoescape = autoescape
+        self.context_processors = context_processors
+        self.debug = debug
+        self.loaders = loaders
+        self.string_if_invalid = string_if_invalid
+        self.file_charset = file_charset
+        self.libraries = libraries
+        self.template_libraries = self.get_template_libraries(libraries)
+        self.builtins = self.default_builtins + builtins
+        self.template_builtins = self.get_template_builtins(self.builtins)
+
+    def __repr__(self):
+        return (
+            "<%s:%s app_dirs=%s%s debug=%s loaders=%s string_if_invalid=%s "
+            "file_charset=%s%s%s autoescape=%s>"
+        ) % (
+            self.__class__.__qualname__,
+            "" if not self.dirs else " dirs=%s" % repr(self.dirs),
+            self.app_dirs,
+            (
+                ""
+                if not self.context_processors
+                else " context_processors=%s" % repr(self.context_processors)
+            ),
+            self.debug,
+            repr(self.loaders),
+            repr(self.string_if_invalid),
+            repr(self.file_charset),
+            "" if not self.libraries else " libraries=%s" % repr(self.libraries),
+            "" if not self.builtins else " builtins=%s" % repr(self.builtins),
+            repr(self.autoescape),
+        )
+
+    @staticmethod
+    @functools.lru_cache
+    def get_default():
+        """
+        Return the first DjangoTemplates backend that's configured, or raise
+        ImproperlyConfigured if none are configured.
+
+        This is required for preserving historical APIs that rely on a
+        globally available, implicitly configured engine such as:
+
+        >>> from django.template import Context, Template
+        >>> template = Template("Hello {{ name }}!")
+        >>> context = Context({'name': "world"})
+        >>> template.render(context)
+        'Hello world!'
+        """
+        # Since Engine is imported in django.template and since
+        # DjangoTemplates is a wrapper around this Engine class,
+        # local imports are required to avoid import loops.
+        from django.template import engines
+        from django.template.backends.django import DjangoTemplates
+
+        for engine in engines.all():
+            if isinstance(engine, DjangoTemplates):
+                return engine.engine
+        raise ImproperlyConfigured("No DjangoTemplates backend is configured.")
+
+    @cached_property
+    def template_context_processors(self):
+        context_processors = _builtin_context_processors
+        context_processors += tuple(self.context_processors)
+        return tuple(import_string(path) for path in context_processors)
+
+    def get_template_builtins(self, builtins):
+        return [import_library(x) for x in builtins]
+
+    def get_template_libraries(self, libraries):
+        loaded = {}
+        for name, path in libraries.items():
+            loaded[name] = import_library(path)
+        return loaded
+
+    @cached_property
+    def template_loaders(self):
+        return self.get_template_loaders(self.loaders)
+
+    def get_template_loaders(self, template_loaders):
+        loaders = []
+        for template_loader in template_loaders:
+            loader = self.find_template_loader(template_loader)
+            if loader is not None:
+                loaders.append(loader)
+        return loaders
+
+    def find_template_loader(self, loader):
+        if isinstance(loader, (tuple, list)):
+            loader, *args = loader
+        else:
+            args = []
+
+        if isinstance(loader, str):
+            loader_class = import_string(loader)
+            return loader_class(self, *args)
+        else:
+            raise ImproperlyConfigured(
+                "Invalid value in template loaders configuration: %r" % loader
+            )
+
+    def find_template(self, name, dirs=None, skip=None):
+        tried = []
+        for loader in self.template_loaders:
+            try:
+                template = loader.get_template(name, skip=skip)
+                return template, template.origin
+            except TemplateDoesNotExist as e:
+                tried.extend(e.tried)
+        raise TemplateDoesNotExist(name, tried=tried)
+
+    def from_string(self, template_code):
+        """
+        Return a compiled Template object for the given template code,
+        handling template inheritance recursively.
+        """
+        return Template(template_code, engine=self)
+
+    def get_template(self, template_name):
+        """
+        Return a compiled Template object for the given template name,
+        handling template inheritance recursively.
+        """
+        template, origin = self.find_template(template_name)
+        if not hasattr(template, "render"):
+            # template needs to be compiled
+            template = Template(template, origin, template_name, engine=self)
+        return template
+
+    def render_to_string(self, template_name, context=None):
+        """
+        Render the template specified by template_name with the given context.
+        For use in Django's test suite.
+        """
+        if isinstance(template_name, (list, tuple)):
+            t = self.select_template(template_name)
+        else:
+            t = self.get_template(template_name)
+        # Django < 1.8 accepted a Context in `context` even though that's
+        # unintended. Preserve this ability but don't rewrap `context`.
+        if isinstance(context, Context):
+            return t.render(context)
+        else:
+            return t.render(Context(context, autoescape=self.autoescape))
+
+    def select_template(self, template_name_list):
+        """
+        Given a list of template names, return the first that can be loaded.
+        """
+        if not template_name_list:
+            raise TemplateDoesNotExist("No template names provided")
+        not_found = []
+        for template_name in template_name_list:
+            try:
+                return self.get_template(template_name)
+            except TemplateDoesNotExist as exc:
+                if exc.args[0] not in not_found:
+                    not_found.append(exc.args[0])
+                continue
+        # If we get here, none of the templates could be loaded
+        raise TemplateDoesNotExist(", ".join(not_found))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/exceptions.py
new file mode 100644
index 00000000..2a9c92f7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/exceptions.py
@@ -0,0 +1,44 @@
+"""
+This module contains generic exceptions used by template backends. Although,
+due to historical reasons, the Django template language also internally uses
+these exceptions, other exceptions specific to the DTL should not be added
+here.
+"""
+
+
+class TemplateDoesNotExist(Exception):
+    """
+    The exception used when a template does not exist. Optional arguments:
+
+    backend
+        The template backend class used when raising this exception.
+
+    tried
+        A list of sources that were tried when finding the template. This
+        is formatted as a list of tuples containing (origin, status), where
+        origin is an Origin object or duck type and status is a string with the
+        reason the template wasn't found.
+
+    chain
+        A list of intermediate TemplateDoesNotExist exceptions. This is used to
+        encapsulate multiple exceptions when loading templates from multiple
+        engines.
+    """
+
+    def __init__(self, msg, tried=None, backend=None, chain=None):
+        self.backend = backend
+        if tried is None:
+            tried = []
+        self.tried = tried
+        if chain is None:
+            chain = []
+        self.chain = chain
+        super().__init__(msg)
+
+
+class TemplateSyntaxError(Exception):
+    """
+    The exception used for syntax errors during parsing or rendering.
+    """
+
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/library.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/library.py
new file mode 100644
index 00000000..16db79e4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/library.py
@@ -0,0 +1,385 @@
+from functools import wraps
+from importlib import import_module
+from inspect import getfullargspec, unwrap
+
+from django.utils.html import conditional_escape
+from django.utils.itercompat import is_iterable
+
+from .base import Node, Template, token_kwargs
+from .exceptions import TemplateSyntaxError
+
+
+class InvalidTemplateLibrary(Exception):
+    pass
+
+
+class Library:
+    """
+    A class for registering template tags and filters. Compiled filter and
+    template tag functions are stored in the filters and tags attributes.
+    The filter, simple_tag, and inclusion_tag methods provide a convenient
+    way to register callables as tags.
+    """
+
+    def __init__(self):
+        self.filters = {}
+        self.tags = {}
+
+    def tag(self, name=None, compile_function=None):
+        if name is None and compile_function is None:
+            # @register.tag()
+            return self.tag_function
+        elif name is not None and compile_function is None:
+            if callable(name):
+                # @register.tag
+                return self.tag_function(name)
+            else:
+                # @register.tag('somename') or @register.tag(name='somename')
+                def dec(func):
+                    return self.tag(name, func)
+
+                return dec
+        elif name is not None and compile_function is not None:
+            # register.tag('somename', somefunc)
+            self.tags[name] = compile_function
+            return compile_function
+        else:
+            raise ValueError(
+                "Unsupported arguments to Library.tag: (%r, %r)"
+                % (name, compile_function),
+            )
+
+    def tag_function(self, func):
+        self.tags[func.__name__] = func
+        return func
+
+    def filter(self, name=None, filter_func=None, **flags):
+        """
+        Register a callable as a template filter. Example:
+
+        @register.filter
+        def lower(value):
+            return value.lower()
+        """
+        if name is None and filter_func is None:
+            # @register.filter()
+            def dec(func):
+                return self.filter_function(func, **flags)
+
+            return dec
+        elif name is not None and filter_func is None:
+            if callable(name):
+                # @register.filter
+                return self.filter_function(name, **flags)
+            else:
+                # @register.filter('somename') or @register.filter(name='somename')
+                def dec(func):
+                    return self.filter(name, func, **flags)
+
+                return dec
+        elif name is not None and filter_func is not None:
+            # register.filter('somename', somefunc)
+            self.filters[name] = filter_func
+            for attr in ("expects_localtime", "is_safe", "needs_autoescape"):
+                if attr in flags:
+                    value = flags[attr]
+                    # set the flag on the filter for FilterExpression.resolve
+                    setattr(filter_func, attr, value)
+                    # set the flag on the innermost decorated function
+                    # for decorators that need it, e.g. stringfilter
+                    setattr(unwrap(filter_func), attr, value)
+            filter_func._filter_name = name
+            return filter_func
+        else:
+            raise ValueError(
+                "Unsupported arguments to Library.filter: (%r, %r)"
+                % (name, filter_func),
+            )
+
+    def filter_function(self, func, **flags):
+        return self.filter(func.__name__, func, **flags)
+
+    def simple_tag(self, func=None, takes_context=None, name=None):
+        """
+        Register a callable as a compiled template tag. Example:
+
+        @register.simple_tag
+        def hello(*args, **kwargs):
+            return 'world'
+        """
+
+        def dec(func):
+            (
+                params,
+                varargs,
+                varkw,
+                defaults,
+                kwonly,
+                kwonly_defaults,
+                _,
+            ) = getfullargspec(unwrap(func))
+            function_name = name or func.__name__
+
+            @wraps(func)
+            def compile_func(parser, token):
+                bits = token.split_contents()[1:]
+                target_var = None
+                if len(bits) >= 2 and bits[-2] == "as":
+                    target_var = bits[-1]
+                    bits = bits[:-2]
+                args, kwargs = parse_bits(
+                    parser,
+                    bits,
+                    params,
+                    varargs,
+                    varkw,
+                    defaults,
+                    kwonly,
+                    kwonly_defaults,
+                    takes_context,
+                    function_name,
+                )
+                return SimpleNode(func, takes_context, args, kwargs, target_var)
+
+            self.tag(function_name, compile_func)
+            return func
+
+        if func is None:
+            # @register.simple_tag(...)
+            return dec
+        elif callable(func):
+            # @register.simple_tag
+            return dec(func)
+        else:
+            raise ValueError("Invalid arguments provided to simple_tag")
+
+    def inclusion_tag(self, filename, func=None, takes_context=None, name=None):
+        """
+        Register a callable as an inclusion tag:
+
+        @register.inclusion_tag('results.html')
+        def show_results(poll):
+            choices = poll.choice_set.all()
+            return {'choices': choices}
+        """
+
+        def dec(func):
+            (
+                params,
+                varargs,
+                varkw,
+                defaults,
+                kwonly,
+                kwonly_defaults,
+                _,
+            ) = getfullargspec(unwrap(func))
+            function_name = name or func.__name__
+
+            @wraps(func)
+            def compile_func(parser, token):
+                bits = token.split_contents()[1:]
+                args, kwargs = parse_bits(
+                    parser,
+                    bits,
+                    params,
+                    varargs,
+                    varkw,
+                    defaults,
+                    kwonly,
+                    kwonly_defaults,
+                    takes_context,
+                    function_name,
+                )
+                return InclusionNode(
+                    func,
+                    takes_context,
+                    args,
+                    kwargs,
+                    filename,
+                )
+
+            self.tag(function_name, compile_func)
+            return func
+
+        return dec
+
+
+class TagHelperNode(Node):
+    """
+    Base class for tag helper nodes such as SimpleNode and InclusionNode.
+    Manages the positional and keyword arguments to be passed to the decorated
+    function.
+    """
+
+    def __init__(self, func, takes_context, args, kwargs):
+        self.func = func
+        self.takes_context = takes_context
+        self.args = args
+        self.kwargs = kwargs
+
+    def get_resolved_arguments(self, context):
+        resolved_args = [var.resolve(context) for var in self.args]
+        if self.takes_context:
+            resolved_args = [context] + resolved_args
+        resolved_kwargs = {k: v.resolve(context) for k, v in self.kwargs.items()}
+        return resolved_args, resolved_kwargs
+
+
+class SimpleNode(TagHelperNode):
+    child_nodelists = ()
+
+    def __init__(self, func, takes_context, args, kwargs, target_var):
+        super().__init__(func, takes_context, args, kwargs)
+        self.target_var = target_var
+
+    def render(self, context):
+        resolved_args, resolved_kwargs = self.get_resolved_arguments(context)
+        output = self.func(*resolved_args, **resolved_kwargs)
+        if self.target_var is not None:
+            context[self.target_var] = output
+            return ""
+        if context.autoescape:
+            output = conditional_escape(output)
+        return output
+
+
+class InclusionNode(TagHelperNode):
+    def __init__(self, func, takes_context, args, kwargs, filename):
+        super().__init__(func, takes_context, args, kwargs)
+        self.filename = filename
+
+    def render(self, context):
+        """
+        Render the specified template and context. Cache the template object
+        in render_context to avoid reparsing and loading when used in a for
+        loop.
+        """
+        resolved_args, resolved_kwargs = self.get_resolved_arguments(context)
+        _dict = self.func(*resolved_args, **resolved_kwargs)
+
+        t = context.render_context.get(self)
+        if t is None:
+            if isinstance(self.filename, Template):
+                t = self.filename
+            elif isinstance(getattr(self.filename, "template", None), Template):
+                t = self.filename.template
+            elif not isinstance(self.filename, str) and is_iterable(self.filename):
+                t = context.template.engine.select_template(self.filename)
+            else:
+                t = context.template.engine.get_template(self.filename)
+            context.render_context[self] = t
+        new_context = context.new(_dict)
+        # Copy across the CSRF token, if present, because inclusion tags are
+        # often used for forms, and we need instructions for using CSRF
+        # protection to be as simple as possible.
+        csrf_token = context.get("csrf_token")
+        if csrf_token is not None:
+            new_context["csrf_token"] = csrf_token
+        return t.render(new_context)
+
+
+def parse_bits(
+    parser,
+    bits,
+    params,
+    varargs,
+    varkw,
+    defaults,
+    kwonly,
+    kwonly_defaults,
+    takes_context,
+    name,
+):
+    """
+    Parse bits for template tag helpers simple_tag and inclusion_tag, in
+    particular by detecting syntax errors and by extracting positional and
+    keyword arguments.
+    """
+    if takes_context:
+        if params and params[0] == "context":
+            params = params[1:]
+        else:
+            raise TemplateSyntaxError(
+                "'%s' is decorated with takes_context=True so it must "
+                "have a first argument of 'context'" % name
+            )
+    args = []
+    kwargs = {}
+    unhandled_params = list(params)
+    unhandled_kwargs = [
+        kwarg for kwarg in kwonly if not kwonly_defaults or kwarg not in kwonly_defaults
+    ]
+    for bit in bits:
+        # First we try to extract a potential kwarg from the bit
+        kwarg = token_kwargs([bit], parser)
+        if kwarg:
+            # The kwarg was successfully extracted
+            param, value = kwarg.popitem()
+            if param not in params and param not in kwonly and varkw is None:
+                # An unexpected keyword argument was supplied
+                raise TemplateSyntaxError(
+                    "'%s' received unexpected keyword argument '%s'" % (name, param)
+                )
+            elif param in kwargs:
+                # The keyword argument has already been supplied once
+                raise TemplateSyntaxError(
+                    "'%s' received multiple values for keyword argument '%s'"
+                    % (name, param)
+                )
+            else:
+                # All good, record the keyword argument
+                kwargs[str(param)] = value
+                if param in unhandled_params:
+                    # If using the keyword syntax for a positional arg, then
+                    # consume it.
+                    unhandled_params.remove(param)
+                elif param in unhandled_kwargs:
+                    # Same for keyword-only arguments
+                    unhandled_kwargs.remove(param)
+        else:
+            if kwargs:
+                raise TemplateSyntaxError(
+                    "'%s' received some positional argument(s) after some "
+                    "keyword argument(s)" % name
+                )
+            else:
+                # Record the positional argument
+                args.append(parser.compile_filter(bit))
+                try:
+                    # Consume from the list of expected positional arguments
+                    unhandled_params.pop(0)
+                except IndexError:
+                    if varargs is None:
+                        raise TemplateSyntaxError(
+                            "'%s' received too many positional arguments" % name
+                        )
+    if defaults is not None:
+        # Consider the last n params handled, where n is the
+        # number of defaults.
+        unhandled_params = unhandled_params[: -len(defaults)]
+    if unhandled_params or unhandled_kwargs:
+        # Some positional arguments were not supplied
+        raise TemplateSyntaxError(
+            "'%s' did not receive value(s) for the argument(s): %s"
+            % (name, ", ".join("'%s'" % p for p in unhandled_params + unhandled_kwargs))
+        )
+    return args, kwargs
+
+
+def import_library(name):
+    """
+    Load a Library object from a template tag module.
+    """
+    try:
+        module = import_module(name)
+    except ImportError as e:
+        raise InvalidTemplateLibrary(
+            "Invalid template library specified. ImportError raised when "
+            "trying to load '%s': %s" % (name, e)
+        )
+    try:
+        return module.register
+    except AttributeError:
+        raise InvalidTemplateLibrary(
+            "Module  %s does not have a variable named 'register'" % name,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loader.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loader.py
new file mode 100644
index 00000000..9b108f34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loader.py
@@ -0,0 +1,66 @@
+from . import engines
+from .exceptions import TemplateDoesNotExist
+
+
+def get_template(template_name, using=None):
+    """
+    Load and return a template for the given name.
+
+    Raise TemplateDoesNotExist if no such template exists.
+    """
+    chain = []
+    engines = _engine_list(using)
+    for engine in engines:
+        try:
+            return engine.get_template(template_name)
+        except TemplateDoesNotExist as e:
+            chain.append(e)
+
+    raise TemplateDoesNotExist(template_name, chain=chain)
+
+
+def select_template(template_name_list, using=None):
+    """
+    Load and return a template for one of the given names.
+
+    Try names in order and return the first template found.
+
+    Raise TemplateDoesNotExist if no such template exists.
+    """
+    if isinstance(template_name_list, str):
+        raise TypeError(
+            "select_template() takes an iterable of template names but got a "
+            "string: %r. Use get_template() if you want to load a single "
+            "template by name." % template_name_list
+        )
+
+    chain = []
+    engines = _engine_list(using)
+    for template_name in template_name_list:
+        for engine in engines:
+            try:
+                return engine.get_template(template_name)
+            except TemplateDoesNotExist as e:
+                chain.append(e)
+
+    if template_name_list:
+        raise TemplateDoesNotExist(", ".join(template_name_list), chain=chain)
+    else:
+        raise TemplateDoesNotExist("No template names provided")
+
+
+def render_to_string(template_name, context=None, request=None, using=None):
+    """
+    Load a template and render it with a context. Return a string.
+
+    template_name may be a string or a list of strings.
+    """
+    if isinstance(template_name, (list, tuple)):
+        template = select_template(template_name, using=using)
+    else:
+        template = get_template(template_name, using=using)
+    return template.render(context, request)
+
+
+def _engine_list(using=None):
+    return engines.all() if using is None else [engines[using]]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loader_tags.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loader_tags.py
new file mode 100644
index 00000000..1874d8c5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loader_tags.py
@@ -0,0 +1,354 @@
+import posixpath
+from collections import defaultdict
+
+from django.utils.safestring import mark_safe
+
+from .base import Node, Template, TemplateSyntaxError, TextNode, Variable, token_kwargs
+from .library import Library
+
+register = Library()
+
+BLOCK_CONTEXT_KEY = "block_context"
+
+
+class BlockContext:
+    def __init__(self):
+        # Dictionary of FIFO queues.
+        self.blocks = defaultdict(list)
+
+    def __repr__(self):
+        return f"<{self.__class__.__qualname__}: blocks={self.blocks!r}>"
+
+    def add_blocks(self, blocks):
+        for name, block in blocks.items():
+            self.blocks[name].insert(0, block)
+
+    def pop(self, name):
+        try:
+            return self.blocks[name].pop()
+        except IndexError:
+            return None
+
+    def push(self, name, block):
+        self.blocks[name].append(block)
+
+    def get_block(self, name):
+        try:
+            return self.blocks[name][-1]
+        except IndexError:
+            return None
+
+
+class BlockNode(Node):
+    def __init__(self, name, nodelist, parent=None):
+        self.name = name
+        self.nodelist = nodelist
+        self.parent = parent
+
+    def __repr__(self):
+        return "<Block Node: %s. Contents: %r>" % (self.name, self.nodelist)
+
+    def render(self, context):
+        block_context = context.render_context.get(BLOCK_CONTEXT_KEY)
+        with context.push():
+            if block_context is None:
+                context["block"] = self
+                result = self.nodelist.render(context)
+            else:
+                push = block = block_context.pop(self.name)
+                if block is None:
+                    block = self
+                # Create new block so we can store context without thread-safety issues.
+                block = type(self)(block.name, block.nodelist)
+                block.context = context
+                context["block"] = block
+                result = block.nodelist.render(context)
+                if push is not None:
+                    block_context.push(self.name, push)
+        return result
+
+    def super(self):
+        if not hasattr(self, "context"):
+            raise TemplateSyntaxError(
+                "'%s' object has no attribute 'context'. Did you use "
+                "{{ block.super }} in a base template?" % self.__class__.__name__
+            )
+        render_context = self.context.render_context
+        if (
+            BLOCK_CONTEXT_KEY in render_context
+            and render_context[BLOCK_CONTEXT_KEY].get_block(self.name) is not None
+        ):
+            return mark_safe(self.render(self.context))
+        return ""
+
+
+class ExtendsNode(Node):
+    must_be_first = True
+    context_key = "extends_context"
+
+    def __init__(self, nodelist, parent_name, template_dirs=None):
+        self.nodelist = nodelist
+        self.parent_name = parent_name
+        self.template_dirs = template_dirs
+        self.blocks = {n.name: n for n in nodelist.get_nodes_by_type(BlockNode)}
+
+    def __repr__(self):
+        return "<%s: extends %s>" % (self.__class__.__name__, self.parent_name.token)
+
+    def find_template(self, template_name, context):
+        """
+        This is a wrapper around engine.find_template(). A history is kept in
+        the render_context attribute between successive extends calls and
+        passed as the skip argument. This enables extends to work recursively
+        without extending the same template twice.
+        """
+        history = context.render_context.setdefault(
+            self.context_key,
+            [self.origin],
+        )
+        template, origin = context.template.engine.find_template(
+            template_name,
+            skip=history,
+        )
+        history.append(origin)
+        return template
+
+    def get_parent(self, context):
+        parent = self.parent_name.resolve(context)
+        if not parent:
+            error_msg = "Invalid template name in 'extends' tag: %r." % parent
+            if self.parent_name.filters or isinstance(self.parent_name.var, Variable):
+                error_msg += (
+                    " Got this from the '%s' variable." % self.parent_name.token
+                )
+            raise TemplateSyntaxError(error_msg)
+        if isinstance(parent, Template):
+            # parent is a django.template.Template
+            return parent
+        if isinstance(getattr(parent, "template", None), Template):
+            # parent is a django.template.backends.django.Template
+            return parent.template
+        return self.find_template(parent, context)
+
+    def render(self, context):
+        compiled_parent = self.get_parent(context)
+
+        if BLOCK_CONTEXT_KEY not in context.render_context:
+            context.render_context[BLOCK_CONTEXT_KEY] = BlockContext()
+        block_context = context.render_context[BLOCK_CONTEXT_KEY]
+
+        # Add the block nodes from this node to the block context
+        block_context.add_blocks(self.blocks)
+
+        # If this block's parent doesn't have an extends node it is the root,
+        # and its block nodes also need to be added to the block context.
+        for node in compiled_parent.nodelist:
+            # The ExtendsNode has to be the first non-text node.
+            if not isinstance(node, TextNode):
+                if not isinstance(node, ExtendsNode):
+                    blocks = {
+                        n.name: n
+                        for n in compiled_parent.nodelist.get_nodes_by_type(BlockNode)
+                    }
+                    block_context.add_blocks(blocks)
+                break
+
+        # Call Template._render explicitly so the parser context stays
+        # the same.
+        with context.render_context.push_state(compiled_parent, isolated_context=False):
+            return compiled_parent._render(context)
+
+
+class IncludeNode(Node):
+    context_key = "__include_context"
+
+    def __init__(
+        self, template, *args, extra_context=None, isolated_context=False, **kwargs
+    ):
+        self.template = template
+        self.extra_context = extra_context or {}
+        self.isolated_context = isolated_context
+        super().__init__(*args, **kwargs)
+
+    def __repr__(self):
+        return f"<{self.__class__.__qualname__}: template={self.template!r}>"
+
+    def render(self, context):
+        """
+        Render the specified template and context. Cache the template object
+        in render_context to avoid reparsing and loading when used in a for
+        loop.
+        """
+        template = self.template.resolve(context)
+        # Does this quack like a Template?
+        if not callable(getattr(template, "render", None)):
+            # If not, try the cache and select_template().
+            template_name = template or ()
+            if isinstance(template_name, str):
+                template_name = (
+                    construct_relative_path(
+                        self.origin.template_name,
+                        template_name,
+                    ),
+                )
+            else:
+                template_name = tuple(template_name)
+            cache = context.render_context.dicts[0].setdefault(self, {})
+            template = cache.get(template_name)
+            if template is None:
+                template = context.template.engine.select_template(template_name)
+                cache[template_name] = template
+        # Use the base.Template of a backends.django.Template.
+        elif hasattr(template, "template"):
+            template = template.template
+        values = {
+            name: var.resolve(context) for name, var in self.extra_context.items()
+        }
+        if self.isolated_context:
+            return template.render(context.new(values))
+        with context.push(**values):
+            return template.render(context)
+
+
+@register.tag("block")
+def do_block(parser, token):
+    """
+    Define a block that can be overridden by child templates.
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    bits = token.contents.split()
+    if len(bits) != 2:
+        raise TemplateSyntaxError("'%s' tag takes only one argument" % bits[0])
+    block_name = bits[1]
+    # Keep track of the names of BlockNodes found in this template, so we can
+    # check for duplication.
+    try:
+        if block_name in parser.__loaded_blocks:
+            raise TemplateSyntaxError(
+                "'%s' tag with name '%s' appears more than once" % (bits[0], block_name)
+            )
+        parser.__loaded_blocks.append(block_name)
+    except AttributeError:  # parser.__loaded_blocks isn't a list yet
+        parser.__loaded_blocks = [block_name]
+    nodelist = parser.parse(("endblock",))
+
+    # This check is kept for backwards-compatibility. See #3100.
+    endblock = parser.next_token()
+    acceptable_endblocks = ("endblock", "endblock %s" % block_name)
+    if endblock.contents not in acceptable_endblocks:
+        parser.invalid_block_tag(endblock, "endblock", acceptable_endblocks)
+
+    return BlockNode(block_name, nodelist)
+
+
+def construct_relative_path(current_template_name, relative_name):
+    """
+    Convert a relative path (starting with './' or '../') to the full template
+    name based on the current_template_name.
+    """
+    new_name = relative_name.strip("'\"")
+    if not new_name.startswith(("./", "../")):
+        # relative_name is a variable or a literal that doesn't contain a
+        # relative path.
+        return relative_name
+
+    new_name = posixpath.normpath(
+        posixpath.join(
+            posixpath.dirname(current_template_name.lstrip("/")),
+            new_name,
+        )
+    )
+    if new_name.startswith("../"):
+        raise TemplateSyntaxError(
+            "The relative path '%s' points outside the file hierarchy that "
+            "template '%s' is in." % (relative_name, current_template_name)
+        )
+    if current_template_name.lstrip("/") == new_name:
+        raise TemplateSyntaxError(
+            "The relative path '%s' was translated to template name '%s', the "
+            "same template in which the tag appears."
+            % (relative_name, current_template_name)
+        )
+    has_quotes = (
+        relative_name.startswith(('"', "'")) and relative_name[0] == relative_name[-1]
+    )
+    return f'"{new_name}"' if has_quotes else new_name
+
+
+@register.tag("extends")
+def do_extends(parser, token):
+    """
+    Signal that this template extends a parent template.
+
+    This tag may be used in two ways: ``{% extends "base" %}`` (with quotes)
+    uses the literal value "base" as the name of the parent template to extend,
+    or ``{% extends variable %}`` uses the value of ``variable`` as either the
+    name of the parent template to extend (if it evaluates to a string) or as
+    the parent template itself (if it evaluates to a Template object).
+    """
+    bits = token.split_contents()
+    if len(bits) != 2:
+        raise TemplateSyntaxError("'%s' takes one argument" % bits[0])
+    bits[1] = construct_relative_path(parser.origin.template_name, bits[1])
+    parent_name = parser.compile_filter(bits[1])
+    nodelist = parser.parse()
+    if nodelist.get_nodes_by_type(ExtendsNode):
+        raise TemplateSyntaxError(
+            "'%s' cannot appear more than once in the same template" % bits[0]
+        )
+    return ExtendsNode(nodelist, parent_name)
+
+
+@register.tag("include")
+def do_include(parser, token):
+    """
+    Load a template and render it with the current context. You can pass
+    additional context using keyword arguments.
+
+    Example::
+
+        {% include "foo/some_include" %}
+        {% include "foo/some_include" with bar="BAZZ!" baz="BING!" %}
+
+    Use the ``only`` argument to exclude the current context when rendering
+    the included template::
+
+        {% include "foo/some_include" only %}
+        {% include "foo/some_include" with bar="1" only %}
+    """
+    bits = token.split_contents()
+    if len(bits) < 2:
+        raise TemplateSyntaxError(
+            "%r tag takes at least one argument: the name of the template to "
+            "be included." % bits[0]
+        )
+    options = {}
+    remaining_bits = bits[2:]
+    while remaining_bits:
+        option = remaining_bits.pop(0)
+        if option in options:
+            raise TemplateSyntaxError(
+                "The %r option was specified more than once." % option
+            )
+        if option == "with":
+            value = token_kwargs(remaining_bits, parser, support_legacy=False)
+            if not value:
+                raise TemplateSyntaxError(
+                    '"with" in %r tag needs at least one keyword argument.' % bits[0]
+                )
+        elif option == "only":
+            value = True
+        else:
+            raise TemplateSyntaxError(
+                "Unknown argument for %r tag: %r." % (bits[0], option)
+            )
+        options[option] = value
+    isolated_context = options.get("only", False)
+    namemap = options.get("with", {})
+    bits[1] = construct_relative_path(parser.origin.template_name, bits[1])
+    return IncludeNode(
+        parser.compile_filter(bits[1]),
+        extra_context=namemap,
+        isolated_context=isolated_context,
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/__pycache__/__init__.cpython-311.pyc
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index 00000000..32f27d9a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/app_directories.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/app_directories.py
new file mode 100644
index 00000000..0bd7dc8e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/app_directories.py
@@ -0,0 +1,13 @@
+"""
+Wrapper for loading templates from "templates" directories in INSTALLED_APPS
+packages.
+"""
+
+from django.template.utils import get_app_template_dirs
+
+from .filesystem import Loader as FilesystemLoader
+
+
+class Loader(FilesystemLoader):
+    def get_dirs(self):
+        return get_app_template_dirs("templates")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/base.py
new file mode 100644
index 00000000..9168c26c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/base.py
@@ -0,0 +1,51 @@
+from django.template import Template, TemplateDoesNotExist
+
+
+class Loader:
+    def __init__(self, engine):
+        self.engine = engine
+
+    def get_template(self, template_name, skip=None):
+        """
+        Call self.get_template_sources() and return a Template object for
+        the first template matching template_name. If skip is provided, ignore
+        template origins in skip. This is used to avoid recursion during
+        template extending.
+        """
+        tried = []
+
+        for origin in self.get_template_sources(template_name):
+            if skip is not None and origin in skip:
+                tried.append((origin, "Skipped to avoid recursion"))
+                continue
+
+            try:
+                contents = self.get_contents(origin)
+            except TemplateDoesNotExist:
+                tried.append((origin, "Source does not exist"))
+                continue
+            else:
+                return Template(
+                    contents,
+                    origin,
+                    origin.template_name,
+                    self.engine,
+                )
+
+        raise TemplateDoesNotExist(template_name, tried=tried)
+
+    def get_template_sources(self, template_name):
+        """
+        An iterator that yields possible matching template paths for a
+        template name.
+        """
+        raise NotImplementedError(
+            "subclasses of Loader must provide a get_template_sources() method"
+        )
+
+    def reset(self):
+        """
+        Reset any state maintained by the loader instance (e.g. cached
+        templates or cached loader modules).
+        """
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/cached.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/cached.py
new file mode 100644
index 00000000..4f409538
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/cached.py
@@ -0,0 +1,100 @@
+"""
+Wrapper class that takes a list of template loaders as an argument and attempts
+to load templates from them in order, caching the result.
+"""
+
+import hashlib
+
+from django.template import TemplateDoesNotExist
+from django.template.backends.django import copy_exception
+
+from .base import Loader as BaseLoader
+
+
+class Loader(BaseLoader):
+    def __init__(self, engine, loaders):
+        self.get_template_cache = {}
+        self.loaders = engine.get_template_loaders(loaders)
+        super().__init__(engine)
+
+    def get_dirs(self):
+        for loader in self.loaders:
+            if hasattr(loader, "get_dirs"):
+                yield from loader.get_dirs()
+
+    def get_contents(self, origin):
+        return origin.loader.get_contents(origin)
+
+    def get_template(self, template_name, skip=None):
+        """
+        Perform the caching that gives this loader its name. Often many of the
+        templates attempted will be missing, so memory use is of concern here.
+        To keep it in check, caching behavior is a little complicated when a
+        template is not found. See ticket #26306 for more details.
+
+        With template debugging disabled, cache the TemplateDoesNotExist class
+        for every missing template and raise a new instance of it after
+        fetching it from the cache.
+
+        With template debugging enabled, a unique TemplateDoesNotExist object
+        is cached for each missing template to preserve debug data. When
+        raising an exception, Python sets __traceback__, __context__, and
+        __cause__ attributes on it. Those attributes can contain references to
+        all sorts of objects up the call chain and caching them creates a
+        memory leak. Thus, unraised copies of the exceptions are cached and
+        copies of those copies are raised after they're fetched from the cache.
+        """
+        key = self.cache_key(template_name, skip)
+        cached = self.get_template_cache.get(key)
+        if cached:
+            if isinstance(cached, type) and issubclass(cached, TemplateDoesNotExist):
+                raise cached(template_name)
+            elif isinstance(cached, TemplateDoesNotExist):
+                raise copy_exception(cached)
+            return cached
+
+        try:
+            template = super().get_template(template_name, skip)
+        except TemplateDoesNotExist as e:
+            self.get_template_cache[key] = (
+                copy_exception(e) if self.engine.debug else TemplateDoesNotExist
+            )
+            raise
+        else:
+            self.get_template_cache[key] = template
+
+        return template
+
+    def get_template_sources(self, template_name):
+        for loader in self.loaders:
+            yield from loader.get_template_sources(template_name)
+
+    def cache_key(self, template_name, skip=None):
+        """
+        Generate a cache key for the template name and skip.
+
+        If skip is provided, only origins that match template_name are included
+        in the cache key. This ensures each template is only parsed and cached
+        once if contained in different extend chains like:
+
+            x -> a -> a
+            y -> a -> a
+            z -> a -> a
+        """
+        skip_prefix = ""
+
+        if skip:
+            matching = [
+                origin.name for origin in skip if origin.template_name == template_name
+            ]
+            if matching:
+                skip_prefix = self.generate_hash(matching)
+
+        return "-".join(s for s in (str(template_name), skip_prefix) if s)
+
+    def generate_hash(self, values):
+        return hashlib.sha1("|".join(values).encode()).hexdigest()
+
+    def reset(self):
+        "Empty the template cache."
+        self.get_template_cache.clear()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/filesystem.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/filesystem.py
new file mode 100644
index 00000000..a2474a3f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/filesystem.py
@@ -0,0 +1,45 @@
+"""
+Wrapper for loading templates from the filesystem.
+"""
+
+from django.core.exceptions import SuspiciousFileOperation
+from django.template import Origin, TemplateDoesNotExist
+from django.utils._os import safe_join
+
+from .base import Loader as BaseLoader
+
+
+class Loader(BaseLoader):
+    def __init__(self, engine, dirs=None):
+        super().__init__(engine)
+        self.dirs = dirs
+
+    def get_dirs(self):
+        return self.dirs if self.dirs is not None else self.engine.dirs
+
+    def get_contents(self, origin):
+        try:
+            with open(origin.name, encoding=self.engine.file_charset) as fp:
+                return fp.read()
+        except FileNotFoundError:
+            raise TemplateDoesNotExist(origin)
+
+    def get_template_sources(self, template_name):
+        """
+        Return an Origin object pointing to an absolute path in each directory
+        in template_dirs. For security reasons, if a path doesn't lie inside
+        one of the template_dirs it is excluded from the result set.
+        """
+        for template_dir in self.get_dirs():
+            try:
+                name = safe_join(template_dir, template_name)
+            except SuspiciousFileOperation:
+                # The joined path was located outside of this template_dir
+                # (it might be inside another one, so this isn't fatal).
+                continue
+
+            yield Origin(
+                name=name,
+                template_name=template_name,
+                loader=self,
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/locmem.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/locmem.py
new file mode 100644
index 00000000..432de62b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/loaders/locmem.py
@@ -0,0 +1,26 @@
+"""
+Wrapper for loading templates from a plain Python dict.
+"""
+
+from django.template import Origin, TemplateDoesNotExist
+
+from .base import Loader as BaseLoader
+
+
+class Loader(BaseLoader):
+    def __init__(self, engine, templates_dict):
+        self.templates_dict = templates_dict
+        super().__init__(engine)
+
+    def get_contents(self, origin):
+        try:
+            return self.templates_dict[origin.name]
+        except KeyError:
+            raise TemplateDoesNotExist(origin)
+
+    def get_template_sources(self, template_name):
+        yield Origin(
+            name=template_name,
+            template_name=template_name,
+            loader=self,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/response.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/response.py
new file mode 100644
index 00000000..c38b95e9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/response.py
@@ -0,0 +1,164 @@
+from django.http import HttpResponse
+
+from .loader import get_template, select_template
+
+
+class ContentNotRenderedError(Exception):
+    pass
+
+
+class SimpleTemplateResponse(HttpResponse):
+    rendering_attrs = ["template_name", "context_data", "_post_render_callbacks"]
+
+    def __init__(
+        self,
+        template,
+        context=None,
+        content_type=None,
+        status=None,
+        charset=None,
+        using=None,
+        headers=None,
+    ):
+        # It would seem obvious to call these next two members 'template' and
+        # 'context', but those names are reserved as part of the test Client
+        # API. To avoid the name collision, we use different names.
+        self.template_name = template
+        self.context_data = context
+
+        self.using = using
+
+        self._post_render_callbacks = []
+
+        # _request stores the current request object in subclasses that know
+        # about requests, like TemplateResponse. It's defined in the base class
+        # to minimize code duplication.
+        # It's called self._request because self.request gets overwritten by
+        # django.test.client.Client. Unlike template_name and context_data,
+        # _request should not be considered part of the public API.
+        self._request = None
+
+        # content argument doesn't make sense here because it will be replaced
+        # with rendered template so we always pass empty string in order to
+        # prevent errors and provide shorter signature.
+        super().__init__("", content_type, status, charset=charset, headers=headers)
+
+        # _is_rendered tracks whether the template and context has been baked
+        # into a final response.
+        # Super __init__ doesn't know any better than to set self.content to
+        # the empty string we just gave it, which wrongly sets _is_rendered
+        # True, so we initialize it to False after the call to super __init__.
+        self._is_rendered = False
+
+    def __getstate__(self):
+        """
+        Raise an exception if trying to pickle an unrendered response. Pickle
+        only rendered data, not the data used to construct the response.
+        """
+        obj_dict = self.__dict__.copy()
+        if not self._is_rendered:
+            raise ContentNotRenderedError(
+                "The response content must be rendered before it can be pickled."
+            )
+        for attr in self.rendering_attrs:
+            if attr in obj_dict:
+                del obj_dict[attr]
+
+        return obj_dict
+
+    def resolve_template(self, template):
+        """Accept a template object, path-to-template, or list of paths."""
+        if isinstance(template, (list, tuple)):
+            return select_template(template, using=self.using)
+        elif isinstance(template, str):
+            return get_template(template, using=self.using)
+        else:
+            return template
+
+    def resolve_context(self, context):
+        return context
+
+    @property
+    def rendered_content(self):
+        """Return the freshly rendered content for the template and context
+        described by the TemplateResponse.
+
+        This *does not* set the final content of the response. To set the
+        response content, you must either call render(), or set the
+        content explicitly using the value of this property.
+        """
+        template = self.resolve_template(self.template_name)
+        context = self.resolve_context(self.context_data)
+        return template.render(context, self._request)
+
+    def add_post_render_callback(self, callback):
+        """Add a new post-rendering callback.
+
+        If the response has already been rendered,
+        invoke the callback immediately.
+        """
+        if self._is_rendered:
+            callback(self)
+        else:
+            self._post_render_callbacks.append(callback)
+
+    def render(self):
+        """Render (thereby finalizing) the content of the response.
+
+        If the content has already been rendered, this is a no-op.
+
+        Return the baked response instance.
+        """
+        retval = self
+        if not self._is_rendered:
+            self.content = self.rendered_content
+            for post_callback in self._post_render_callbacks:
+                newretval = post_callback(retval)
+                if newretval is not None:
+                    retval = newretval
+        return retval
+
+    @property
+    def is_rendered(self):
+        return self._is_rendered
+
+    def __iter__(self):
+        if not self._is_rendered:
+            raise ContentNotRenderedError(
+                "The response content must be rendered before it can be iterated over."
+            )
+        return super().__iter__()
+
+    @property
+    def content(self):
+        if not self._is_rendered:
+            raise ContentNotRenderedError(
+                "The response content must be rendered before it can be accessed."
+            )
+        return super().content
+
+    @content.setter
+    def content(self, value):
+        """Set the content for the response."""
+        HttpResponse.content.fset(self, value)
+        self._is_rendered = True
+
+
+class TemplateResponse(SimpleTemplateResponse):
+    rendering_attrs = SimpleTemplateResponse.rendering_attrs + ["_request"]
+
+    def __init__(
+        self,
+        request,
+        template,
+        context=None,
+        content_type=None,
+        status=None,
+        charset=None,
+        using=None,
+        headers=None,
+    ):
+        super().__init__(
+            template, context, content_type, status, charset, using, headers=headers
+        )
+        self._request = request
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/smartif.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/smartif.py
new file mode 100644
index 00000000..0a917c2a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/smartif.py
@@ -0,0 +1,214 @@
+"""
+Parser and utilities for the smart 'if' tag
+"""
+
+# Using a simple top down parser, as described here:
+#    http://effbot.org/zone/simple-top-down-parsing.htm.
+# 'led' = left denotation
+# 'nud' = null denotation
+# 'bp' = binding power (left = lbp, right = rbp)
+
+
+class TokenBase:
+    """
+    Base class for operators and literals, mainly for debugging and for throwing
+    syntax errors.
+    """
+
+    id = None  # node/token type name
+    value = None  # used by literals
+    first = second = None  # used by tree nodes
+
+    def nud(self, parser):
+        # Null denotation - called in prefix context
+        raise parser.error_class(
+            "Not expecting '%s' in this position in if tag." % self.id
+        )
+
+    def led(self, left, parser):
+        # Left denotation - called in infix context
+        raise parser.error_class(
+            "Not expecting '%s' as infix operator in if tag." % self.id
+        )
+
+    def display(self):
+        """
+        Return what to display in error messages for this node
+        """
+        return self.id
+
+    def __repr__(self):
+        out = [str(x) for x in [self.id, self.first, self.second] if x is not None]
+        return "(" + " ".join(out) + ")"
+
+
+def infix(bp, func):
+    """
+    Create an infix operator, given a binding power and a function that
+    evaluates the node.
+    """
+
+    class Operator(TokenBase):
+        lbp = bp
+
+        def led(self, left, parser):
+            self.first = left
+            self.second = parser.expression(bp)
+            return self
+
+        def eval(self, context):
+            try:
+                return func(context, self.first, self.second)
+            except Exception:
+                # Templates shouldn't throw exceptions when rendering.  We are
+                # most likely to get exceptions for things like {% if foo in bar
+                # %} where 'bar' does not support 'in', so default to False
+                return False
+
+    return Operator
+
+
+def prefix(bp, func):
+    """
+    Create a prefix operator, given a binding power and a function that
+    evaluates the node.
+    """
+
+    class Operator(TokenBase):
+        lbp = bp
+
+        def nud(self, parser):
+            self.first = parser.expression(bp)
+            self.second = None
+            return self
+
+        def eval(self, context):
+            try:
+                return func(context, self.first)
+            except Exception:
+                return False
+
+    return Operator
+
+
+# Operator precedence follows Python.
+# We defer variable evaluation to the lambda to ensure that terms are
+# lazily evaluated using Python's boolean parsing logic.
+OPERATORS = {
+    "or": infix(6, lambda context, x, y: x.eval(context) or y.eval(context)),
+    "and": infix(7, lambda context, x, y: x.eval(context) and y.eval(context)),
+    "not": prefix(8, lambda context, x: not x.eval(context)),
+    "in": infix(9, lambda context, x, y: x.eval(context) in y.eval(context)),
+    "not in": infix(9, lambda context, x, y: x.eval(context) not in y.eval(context)),
+    "is": infix(10, lambda context, x, y: x.eval(context) is y.eval(context)),
+    "is not": infix(10, lambda context, x, y: x.eval(context) is not y.eval(context)),
+    "==": infix(10, lambda context, x, y: x.eval(context) == y.eval(context)),
+    "!=": infix(10, lambda context, x, y: x.eval(context) != y.eval(context)),
+    ">": infix(10, lambda context, x, y: x.eval(context) > y.eval(context)),
+    ">=": infix(10, lambda context, x, y: x.eval(context) >= y.eval(context)),
+    "<": infix(10, lambda context, x, y: x.eval(context) < y.eval(context)),
+    "<=": infix(10, lambda context, x, y: x.eval(context) <= y.eval(context)),
+}
+
+# Assign 'id' to each:
+for key, op in OPERATORS.items():
+    op.id = key
+
+
+class Literal(TokenBase):
+    """
+    A basic self-resolvable object similar to a Django template variable.
+    """
+
+    # IfParser uses Literal in create_var, but TemplateIfParser overrides
+    # create_var so that a proper implementation that actually resolves
+    # variables, filters etc. is used.
+    id = "literal"
+    lbp = 0
+
+    def __init__(self, value):
+        self.value = value
+
+    def display(self):
+        return repr(self.value)
+
+    def nud(self, parser):
+        return self
+
+    def eval(self, context):
+        return self.value
+
+    def __repr__(self):
+        return "(%s %r)" % (self.id, self.value)
+
+
+class EndToken(TokenBase):
+    lbp = 0
+
+    def nud(self, parser):
+        raise parser.error_class("Unexpected end of expression in if tag.")
+
+
+EndToken = EndToken()
+
+
+class IfParser:
+    error_class = ValueError
+
+    def __init__(self, tokens):
+        # Turn 'is','not' and 'not','in' into single tokens.
+        num_tokens = len(tokens)
+        mapped_tokens = []
+        i = 0
+        while i < num_tokens:
+            token = tokens[i]
+            if token == "is" and i + 1 < num_tokens and tokens[i + 1] == "not":
+                token = "is not"
+                i += 1  # skip 'not'
+            elif token == "not" and i + 1 < num_tokens and tokens[i + 1] == "in":
+                token = "not in"
+                i += 1  # skip 'in'
+            mapped_tokens.append(self.translate_token(token))
+            i += 1
+
+        self.tokens = mapped_tokens
+        self.pos = 0
+        self.current_token = self.next_token()
+
+    def translate_token(self, token):
+        try:
+            op = OPERATORS[token]
+        except (KeyError, TypeError):
+            return self.create_var(token)
+        else:
+            return op()
+
+    def next_token(self):
+        if self.pos >= len(self.tokens):
+            return EndToken
+        else:
+            retval = self.tokens[self.pos]
+            self.pos += 1
+            return retval
+
+    def parse(self):
+        retval = self.expression()
+        # Check that we have exhausted all the tokens
+        if self.current_token is not EndToken:
+            raise self.error_class(
+                "Unused '%s' at end of if expression." % self.current_token.display()
+            )
+        return retval
+
+    def expression(self, rbp=0):
+        t = self.current_token
+        self.current_token = self.next_token()
+        left = t.nud(self)
+        while rbp < self.current_token.lbp:
+            t = self.current_token
+            self.current_token = self.next_token()
+            left = t.led(left, self)
+        return left
+
+    def create_var(self, value):
+        return Literal(value)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/template/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/utils.py
new file mode 100644
index 00000000..2b118f90
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/template/utils.py
@@ -0,0 +1,111 @@
+import functools
+from collections import Counter
+from pathlib import Path
+
+from django.apps import apps
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.utils.functional import cached_property
+from django.utils.module_loading import import_string
+
+
+class InvalidTemplateEngineError(ImproperlyConfigured):
+    pass
+
+
+class EngineHandler:
+    def __init__(self, templates=None):
+        """
+        templates is an optional list of template engine definitions
+        (structured like settings.TEMPLATES).
+        """
+        self._templates = templates
+        self._engines = {}
+
+    @cached_property
+    def templates(self):
+        if self._templates is None:
+            self._templates = settings.TEMPLATES
+
+        templates = {}
+        backend_names = []
+        for tpl in self._templates:
+            try:
+                # This will raise an exception if 'BACKEND' doesn't exist or
+                # isn't a string containing at least one dot.
+                default_name = tpl["BACKEND"].rsplit(".", 2)[-2]
+            except Exception:
+                invalid_backend = tpl.get("BACKEND", "<not defined>")
+                raise ImproperlyConfigured(
+                    "Invalid BACKEND for a template engine: {}. Check "
+                    "your TEMPLATES setting.".format(invalid_backend)
+                )
+
+            tpl = {
+                "NAME": default_name,
+                "DIRS": [],
+                "APP_DIRS": False,
+                "OPTIONS": {},
+                **tpl,
+            }
+
+            templates[tpl["NAME"]] = tpl
+            backend_names.append(tpl["NAME"])
+
+        counts = Counter(backend_names)
+        duplicates = [alias for alias, count in counts.most_common() if count > 1]
+        if duplicates:
+            raise ImproperlyConfigured(
+                "Template engine aliases aren't unique, duplicates: {}. "
+                "Set a unique NAME for each engine in settings.TEMPLATES.".format(
+                    ", ".join(duplicates)
+                )
+            )
+
+        return templates
+
+    def __getitem__(self, alias):
+        try:
+            return self._engines[alias]
+        except KeyError:
+            try:
+                params = self.templates[alias]
+            except KeyError:
+                raise InvalidTemplateEngineError(
+                    "Could not find config for '{}' "
+                    "in settings.TEMPLATES".format(alias)
+                )
+
+            # If importing or initializing the backend raises an exception,
+            # self._engines[alias] isn't set and this code may get executed
+            # again, so we must preserve the original params. See #24265.
+            params = params.copy()
+            backend = params.pop("BACKEND")
+            engine_cls = import_string(backend)
+            engine = engine_cls(params)
+
+            self._engines[alias] = engine
+            return engine
+
+    def __iter__(self):
+        return iter(self.templates)
+
+    def all(self):
+        return [self[alias] for alias in self]
+
+
+@functools.lru_cache
+def get_app_template_dirs(dirname):
+    """
+    Return an iterable of paths of directories to load app templates from.
+
+    dirname is the name of the subdirectory containing templates inside
+    installed applications.
+    """
+    template_dirs = [
+        Path(app_config.path) / dirname
+        for app_config in apps.get_app_configs()
+        if app_config.path and (Path(app_config.path) / dirname).is_dir()
+    ]
+    # Immutable return value because it will be cached and shared by callers.
+    return tuple(template_dirs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/cache.py
new file mode 100644
index 00000000..1c48db7c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/cache.py
@@ -0,0 +1,100 @@
+from django.core.cache import InvalidCacheBackendError, caches
+from django.core.cache.utils import make_template_fragment_key
+from django.template import Library, Node, TemplateSyntaxError, VariableDoesNotExist
+
+register = Library()
+
+
+class CacheNode(Node):
+    def __init__(self, nodelist, expire_time_var, fragment_name, vary_on, cache_name):
+        self.nodelist = nodelist
+        self.expire_time_var = expire_time_var
+        self.fragment_name = fragment_name
+        self.vary_on = vary_on
+        self.cache_name = cache_name
+
+    def render(self, context):
+        try:
+            expire_time = self.expire_time_var.resolve(context)
+        except VariableDoesNotExist:
+            raise TemplateSyntaxError(
+                '"cache" tag got an unknown variable: %r' % self.expire_time_var.var
+            )
+        if expire_time is not None:
+            try:
+                expire_time = int(expire_time)
+            except (ValueError, TypeError):
+                raise TemplateSyntaxError(
+                    '"cache" tag got a non-integer timeout value: %r' % expire_time
+                )
+        if self.cache_name:
+            try:
+                cache_name = self.cache_name.resolve(context)
+            except VariableDoesNotExist:
+                raise TemplateSyntaxError(
+                    '"cache" tag got an unknown variable: %r' % self.cache_name.var
+                )
+            try:
+                fragment_cache = caches[cache_name]
+            except InvalidCacheBackendError:
+                raise TemplateSyntaxError(
+                    "Invalid cache name specified for cache tag: %r" % cache_name
+                )
+        else:
+            try:
+                fragment_cache = caches["template_fragments"]
+            except InvalidCacheBackendError:
+                fragment_cache = caches["default"]
+
+        vary_on = [var.resolve(context) for var in self.vary_on]
+        cache_key = make_template_fragment_key(self.fragment_name, vary_on)
+        value = fragment_cache.get(cache_key)
+        if value is None:
+            value = self.nodelist.render(context)
+            fragment_cache.set(cache_key, value, expire_time)
+        return value
+
+
+@register.tag("cache")
+def do_cache(parser, token):
+    """
+    This will cache the contents of a template fragment for a given amount
+    of time.
+
+    Usage::
+
+        {% load cache %}
+        {% cache [expire_time] [fragment_name] %}
+            .. some expensive processing ..
+        {% endcache %}
+
+    This tag also supports varying by a list of arguments::
+
+        {% load cache %}
+        {% cache [expire_time] [fragment_name] [var1] [var2] .. %}
+            .. some expensive processing ..
+        {% endcache %}
+
+    Optionally the cache to use may be specified thus::
+
+        {% cache ....  using="cachename" %}
+
+    Each unique set of arguments will result in a unique cache entry.
+    """
+    nodelist = parser.parse(("endcache",))
+    parser.delete_first_token()
+    tokens = token.split_contents()
+    if len(tokens) < 3:
+        raise TemplateSyntaxError("'%r' tag requires at least 2 arguments." % tokens[0])
+    if len(tokens) > 3 and tokens[-1].startswith("using="):
+        cache_name = parser.compile_filter(tokens[-1].removeprefix("using="))
+        tokens = tokens[:-1]
+    else:
+        cache_name = None
+    return CacheNode(
+        nodelist,
+        parser.compile_filter(tokens[1]),
+        tokens[2],  # fragment_name can't be a variable.
+        [parser.compile_filter(t) for t in tokens[3:]],
+        cache_name,
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/i18n.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/i18n.py
new file mode 100644
index 00000000..b26cc701
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/i18n.py
@@ -0,0 +1,616 @@
+from decimal import Decimal
+
+from django.conf import settings
+from django.template import Library, Node, TemplateSyntaxError, Variable
+from django.template.base import TokenType, render_value_in_context
+from django.template.defaulttags import token_kwargs
+from django.utils import translation
+from django.utils.safestring import SafeData, SafeString, mark_safe
+
+register = Library()
+
+
+class GetAvailableLanguagesNode(Node):
+    def __init__(self, variable):
+        self.variable = variable
+
+    def render(self, context):
+        context[self.variable] = [
+            (k, translation.gettext(v)) for k, v in settings.LANGUAGES
+        ]
+        return ""
+
+
+class GetLanguageInfoNode(Node):
+    def __init__(self, lang_code, variable):
+        self.lang_code = lang_code
+        self.variable = variable
+
+    def render(self, context):
+        lang_code = self.lang_code.resolve(context)
+        context[self.variable] = translation.get_language_info(lang_code)
+        return ""
+
+
+class GetLanguageInfoListNode(Node):
+    def __init__(self, languages, variable):
+        self.languages = languages
+        self.variable = variable
+
+    def get_language_info(self, language):
+        # ``language`` is either a language code string or a sequence
+        # with the language code as its first item
+        if len(language[0]) > 1:
+            return translation.get_language_info(language[0])
+        else:
+            return translation.get_language_info(str(language))
+
+    def render(self, context):
+        langs = self.languages.resolve(context)
+        context[self.variable] = [self.get_language_info(lang) for lang in langs]
+        return ""
+
+
+class GetCurrentLanguageNode(Node):
+    def __init__(self, variable):
+        self.variable = variable
+
+    def render(self, context):
+        context[self.variable] = translation.get_language()
+        return ""
+
+
+class GetCurrentLanguageBidiNode(Node):
+    def __init__(self, variable):
+        self.variable = variable
+
+    def render(self, context):
+        context[self.variable] = translation.get_language_bidi()
+        return ""
+
+
+class TranslateNode(Node):
+    child_nodelists = ()
+
+    def __init__(self, filter_expression, noop, asvar=None, message_context=None):
+        self.noop = noop
+        self.asvar = asvar
+        self.message_context = message_context
+        self.filter_expression = filter_expression
+        if isinstance(self.filter_expression.var, str):
+            self.filter_expression.is_var = True
+            self.filter_expression.var = Variable("'%s'" % self.filter_expression.var)
+
+    def render(self, context):
+        self.filter_expression.var.translate = not self.noop
+        if self.message_context:
+            self.filter_expression.var.message_context = self.message_context.resolve(
+                context
+            )
+        output = self.filter_expression.resolve(context)
+        value = render_value_in_context(output, context)
+        # Restore percent signs. Percent signs in template text are doubled
+        # so they are not interpreted as string format flags.
+        is_safe = isinstance(value, SafeData)
+        value = value.replace("%%", "%")
+        value = mark_safe(value) if is_safe else value
+        if self.asvar:
+            context[self.asvar] = value
+            return ""
+        else:
+            return value
+
+
+class BlockTranslateNode(Node):
+    def __init__(
+        self,
+        extra_context,
+        singular,
+        plural=None,
+        countervar=None,
+        counter=None,
+        message_context=None,
+        trimmed=False,
+        asvar=None,
+        tag_name="blocktranslate",
+    ):
+        self.extra_context = extra_context
+        self.singular = singular
+        self.plural = plural
+        self.countervar = countervar
+        self.counter = counter
+        self.message_context = message_context
+        self.trimmed = trimmed
+        self.asvar = asvar
+        self.tag_name = tag_name
+
+    def __repr__(self):
+        return (
+            f"<{self.__class__.__qualname__}: "
+            f"extra_context={self.extra_context!r} "
+            f"singular={self.singular!r} plural={self.plural!r}>"
+        )
+
+    def render_token_list(self, tokens):
+        result = []
+        vars = []
+        for token in tokens:
+            if token.token_type == TokenType.TEXT:
+                result.append(token.contents.replace("%", "%%"))
+            elif token.token_type == TokenType.VAR:
+                result.append("%%(%s)s" % token.contents)
+                vars.append(token.contents)
+        msg = "".join(result)
+        if self.trimmed:
+            msg = translation.trim_whitespace(msg)
+        return msg, vars
+
+    def render(self, context, nested=False):
+        if self.message_context:
+            message_context = self.message_context.resolve(context)
+        else:
+            message_context = None
+        # Update() works like a push(), so corresponding context.pop() is at
+        # the end of function
+        context.update(
+            {var: val.resolve(context) for var, val in self.extra_context.items()}
+        )
+        singular, vars = self.render_token_list(self.singular)
+        if self.plural and self.countervar and self.counter:
+            count = self.counter.resolve(context)
+            if not isinstance(count, (Decimal, float, int)):
+                raise TemplateSyntaxError(
+                    "%r argument to %r tag must be a number."
+                    % (self.countervar, self.tag_name)
+                )
+            context[self.countervar] = count
+            plural, plural_vars = self.render_token_list(self.plural)
+            if message_context:
+                result = translation.npgettext(message_context, singular, plural, count)
+            else:
+                result = translation.ngettext(singular, plural, count)
+            vars.extend(plural_vars)
+        else:
+            if message_context:
+                result = translation.pgettext(message_context, singular)
+            else:
+                result = translation.gettext(singular)
+        default_value = context.template.engine.string_if_invalid
+
+        def render_value(key):
+            if key in context:
+                val = context[key]
+            else:
+                val = default_value % key if "%s" in default_value else default_value
+            return render_value_in_context(val, context)
+
+        data = {v: render_value(v) for v in vars}
+        context.pop()
+        try:
+            result %= data
+        except (KeyError, ValueError):
+            if nested:
+                # Either string is malformed, or it's a bug
+                raise TemplateSyntaxError(
+                    "%r is unable to format string returned by gettext: %r "
+                    "using %r" % (self.tag_name, result, data)
+                )
+            with translation.override(None):
+                result = self.render(context, nested=True)
+        if self.asvar:
+            context[self.asvar] = SafeString(result)
+            return ""
+        else:
+            return result
+
+
+class LanguageNode(Node):
+    def __init__(self, nodelist, language):
+        self.nodelist = nodelist
+        self.language = language
+
+    def render(self, context):
+        with translation.override(self.language.resolve(context)):
+            output = self.nodelist.render(context)
+        return output
+
+
+@register.tag("get_available_languages")
+def do_get_available_languages(parser, token):
+    """
+    Store a list of available languages in the context.
+
+    Usage::
+
+        {% get_available_languages as languages %}
+        {% for language in languages %}
+        ...
+        {% endfor %}
+
+    This puts settings.LANGUAGES into the named variable.
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    args = token.contents.split()
+    if len(args) != 3 or args[1] != "as":
+        raise TemplateSyntaxError(
+            "'get_available_languages' requires 'as variable' (got %r)" % args
+        )
+    return GetAvailableLanguagesNode(args[2])
+
+
+@register.tag("get_language_info")
+def do_get_language_info(parser, token):
+    """
+    Store the language information dictionary for the given language code in a
+    context variable.
+
+    Usage::
+
+        {% get_language_info for LANGUAGE_CODE as l %}
+        {{ l.code }}
+        {{ l.name }}
+        {{ l.name_translated }}
+        {{ l.name_local }}
+        {{ l.bidi|yesno:"bi-directional,uni-directional" }}
+    """
+    args = token.split_contents()
+    if len(args) != 5 or args[1] != "for" or args[3] != "as":
+        raise TemplateSyntaxError(
+            "'%s' requires 'for string as variable' (got %r)" % (args[0], args[1:])
+        )
+    return GetLanguageInfoNode(parser.compile_filter(args[2]), args[4])
+
+
+@register.tag("get_language_info_list")
+def do_get_language_info_list(parser, token):
+    """
+    Store a list of language information dictionaries for the given language
+    codes in a context variable. The language codes can be specified either as
+    a list of strings or a settings.LANGUAGES style list (or any sequence of
+    sequences whose first items are language codes).
+
+    Usage::
+
+        {% get_language_info_list for LANGUAGES as langs %}
+        {% for l in langs %}
+          {{ l.code }}
+          {{ l.name }}
+          {{ l.name_translated }}
+          {{ l.name_local }}
+          {{ l.bidi|yesno:"bi-directional,uni-directional" }}
+        {% endfor %}
+    """
+    args = token.split_contents()
+    if len(args) != 5 or args[1] != "for" or args[3] != "as":
+        raise TemplateSyntaxError(
+            "'%s' requires 'for sequence as variable' (got %r)" % (args[0], args[1:])
+        )
+    return GetLanguageInfoListNode(parser.compile_filter(args[2]), args[4])
+
+
+@register.filter
+def language_name(lang_code):
+    return translation.get_language_info(lang_code)["name"]
+
+
+@register.filter
+def language_name_translated(lang_code):
+    english_name = translation.get_language_info(lang_code)["name"]
+    return translation.gettext(english_name)
+
+
+@register.filter
+def language_name_local(lang_code):
+    return translation.get_language_info(lang_code)["name_local"]
+
+
+@register.filter
+def language_bidi(lang_code):
+    return translation.get_language_info(lang_code)["bidi"]
+
+
+@register.tag("get_current_language")
+def do_get_current_language(parser, token):
+    """
+    Store the current language in the context.
+
+    Usage::
+
+        {% get_current_language as language %}
+
+    This fetches the currently active language and puts its value into the
+    ``language`` context variable.
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    args = token.contents.split()
+    if len(args) != 3 or args[1] != "as":
+        raise TemplateSyntaxError(
+            "'get_current_language' requires 'as variable' (got %r)" % args
+        )
+    return GetCurrentLanguageNode(args[2])
+
+
+@register.tag("get_current_language_bidi")
+def do_get_current_language_bidi(parser, token):
+    """
+    Store the current language layout in the context.
+
+    Usage::
+
+        {% get_current_language_bidi as bidi %}
+
+    This fetches the currently active language's layout and puts its value into
+    the ``bidi`` context variable. True indicates right-to-left layout,
+    otherwise left-to-right.
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    args = token.contents.split()
+    if len(args) != 3 or args[1] != "as":
+        raise TemplateSyntaxError(
+            "'get_current_language_bidi' requires 'as variable' (got %r)" % args
+        )
+    return GetCurrentLanguageBidiNode(args[2])
+
+
+@register.tag("translate")
+@register.tag("trans")
+def do_translate(parser, token):
+    """
+    Mark a string for translation and translate the string for the current
+    language.
+
+    Usage::
+
+        {% translate "this is a test" %}
+
+    This marks the string for translation so it will be pulled out by
+    makemessages into the .po files and runs the string through the translation
+    engine.
+
+    There is a second form::
+
+        {% translate "this is a test" noop %}
+
+    This marks the string for translation, but returns the string unchanged.
+    Use it when you need to store values into forms that should be translated
+    later on.
+
+    You can use variables instead of constant strings
+    to translate stuff you marked somewhere else::
+
+        {% translate variable %}
+
+    This tries to translate the contents of the variable ``variable``. Make
+    sure that the string in there is something that is in the .po file.
+
+    It is possible to store the translated string into a variable::
+
+        {% translate "this is a test" as var %}
+        {{ var }}
+
+    Contextual translations are also supported::
+
+        {% translate "this is a test" context "greeting" %}
+
+    This is equivalent to calling pgettext instead of (u)gettext.
+    """
+    bits = token.split_contents()
+    if len(bits) < 2:
+        raise TemplateSyntaxError("'%s' takes at least one argument" % bits[0])
+    message_string = parser.compile_filter(bits[1])
+    remaining = bits[2:]
+
+    noop = False
+    asvar = None
+    message_context = None
+    seen = set()
+    invalid_context = {"as", "noop"}
+
+    while remaining:
+        option = remaining.pop(0)
+        if option in seen:
+            raise TemplateSyntaxError(
+                "The '%s' option was specified more than once." % option,
+            )
+        elif option == "noop":
+            noop = True
+        elif option == "context":
+            try:
+                value = remaining.pop(0)
+            except IndexError:
+                raise TemplateSyntaxError(
+                    "No argument provided to the '%s' tag for the context option."
+                    % bits[0]
+                )
+            if value in invalid_context:
+                raise TemplateSyntaxError(
+                    "Invalid argument '%s' provided to the '%s' tag for the context "
+                    "option" % (value, bits[0]),
+                )
+            message_context = parser.compile_filter(value)
+        elif option == "as":
+            try:
+                value = remaining.pop(0)
+            except IndexError:
+                raise TemplateSyntaxError(
+                    "No argument provided to the '%s' tag for the as option." % bits[0]
+                )
+            asvar = value
+        else:
+            raise TemplateSyntaxError(
+                "Unknown argument for '%s' tag: '%s'. The only options "
+                "available are 'noop', 'context' \"xxx\", and 'as VAR'."
+                % (
+                    bits[0],
+                    option,
+                )
+            )
+        seen.add(option)
+
+    return TranslateNode(message_string, noop, asvar, message_context)
+
+
+@register.tag("blocktranslate")
+@register.tag("blocktrans")
+def do_block_translate(parser, token):
+    """
+    Translate a block of text with parameters.
+
+    Usage::
+
+        {% blocktranslate with bar=foo|filter boo=baz|filter %}
+        This is {{ bar }} and {{ boo }}.
+        {% endblocktranslate %}
+
+    Additionally, this supports pluralization::
+
+        {% blocktranslate count count=var|length %}
+        There is {{ count }} object.
+        {% plural %}
+        There are {{ count }} objects.
+        {% endblocktranslate %}
+
+    This is much like ngettext, only in template syntax.
+
+    The "var as value" legacy format is still supported::
+
+        {% blocktranslate with foo|filter as bar and baz|filter as boo %}
+        {% blocktranslate count var|length as count %}
+
+    The translated string can be stored in a variable using `asvar`::
+
+        {% blocktranslate with bar=foo|filter boo=baz|filter asvar var %}
+        This is {{ bar }} and {{ boo }}.
+        {% endblocktranslate %}
+        {{ var }}
+
+    Contextual translations are supported::
+
+        {% blocktranslate with bar=foo|filter context "greeting" %}
+            This is {{ bar }}.
+        {% endblocktranslate %}
+
+    This is equivalent to calling pgettext/npgettext instead of
+    (u)gettext/(u)ngettext.
+    """
+    bits = token.split_contents()
+
+    options = {}
+    remaining_bits = bits[1:]
+    asvar = None
+    while remaining_bits:
+        option = remaining_bits.pop(0)
+        if option in options:
+            raise TemplateSyntaxError(
+                "The %r option was specified more than once." % option
+            )
+        if option == "with":
+            value = token_kwargs(remaining_bits, parser, support_legacy=True)
+            if not value:
+                raise TemplateSyntaxError(
+                    '"with" in %r tag needs at least one keyword argument.' % bits[0]
+                )
+        elif option == "count":
+            value = token_kwargs(remaining_bits, parser, support_legacy=True)
+            if len(value) != 1:
+                raise TemplateSyntaxError(
+                    '"count" in %r tag expected exactly '
+                    "one keyword argument." % bits[0]
+                )
+        elif option == "context":
+            try:
+                value = remaining_bits.pop(0)
+                value = parser.compile_filter(value)
+            except Exception:
+                raise TemplateSyntaxError(
+                    '"context" in %r tag expected exactly one argument.' % bits[0]
+                )
+        elif option == "trimmed":
+            value = True
+        elif option == "asvar":
+            try:
+                value = remaining_bits.pop(0)
+            except IndexError:
+                raise TemplateSyntaxError(
+                    "No argument provided to the '%s' tag for the asvar option."
+                    % bits[0]
+                )
+            asvar = value
+        else:
+            raise TemplateSyntaxError(
+                "Unknown argument for %r tag: %r." % (bits[0], option)
+            )
+        options[option] = value
+
+    if "count" in options:
+        countervar, counter = next(iter(options["count"].items()))
+    else:
+        countervar, counter = None, None
+    if "context" in options:
+        message_context = options["context"]
+    else:
+        message_context = None
+    extra_context = options.get("with", {})
+
+    trimmed = options.get("trimmed", False)
+
+    singular = []
+    plural = []
+    while parser.tokens:
+        token = parser.next_token()
+        if token.token_type in (TokenType.VAR, TokenType.TEXT):
+            singular.append(token)
+        else:
+            break
+    if countervar and counter:
+        if token.contents.strip() != "plural":
+            raise TemplateSyntaxError(
+                "%r doesn't allow other block tags inside it" % bits[0]
+            )
+        while parser.tokens:
+            token = parser.next_token()
+            if token.token_type in (TokenType.VAR, TokenType.TEXT):
+                plural.append(token)
+            else:
+                break
+    end_tag_name = "end%s" % bits[0]
+    if token.contents.strip() != end_tag_name:
+        raise TemplateSyntaxError(
+            "%r doesn't allow other block tags (seen %r) inside it"
+            % (bits[0], token.contents)
+        )
+
+    return BlockTranslateNode(
+        extra_context,
+        singular,
+        plural,
+        countervar,
+        counter,
+        message_context,
+        trimmed=trimmed,
+        asvar=asvar,
+        tag_name=bits[0],
+    )
+
+
+@register.tag
+def language(parser, token):
+    """
+    Enable the given language just for this block.
+
+    Usage::
+
+        {% language "de" %}
+            This is {{ bar }} and {{ boo }}.
+        {% endlanguage %}
+    """
+    bits = token.split_contents()
+    if len(bits) != 2:
+        raise TemplateSyntaxError("'%s' takes one argument (language)" % bits[0])
+    language = parser.compile_filter(bits[1])
+    nodelist = parser.parse(("endlanguage",))
+    parser.delete_first_token()
+    return LanguageNode(nodelist, language)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/l10n.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/l10n.py
new file mode 100644
index 00000000..93b0e18e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/l10n.py
@@ -0,0 +1,60 @@
+from django.template import Library, Node, TemplateSyntaxError
+from django.utils import formats
+
+register = Library()
+
+
+@register.filter(is_safe=False)
+def localize(value):
+    """
+    Force a value to be rendered as a localized value.
+    """
+    return str(formats.localize(value, use_l10n=True))
+
+
+@register.filter(is_safe=False)
+def unlocalize(value):
+    """
+    Force a value to be rendered as a non-localized value.
+    """
+    return str(formats.localize(value, use_l10n=False))
+
+
+class LocalizeNode(Node):
+    def __init__(self, nodelist, use_l10n):
+        self.nodelist = nodelist
+        self.use_l10n = use_l10n
+
+    def __repr__(self):
+        return "<%s>" % self.__class__.__name__
+
+    def render(self, context):
+        old_setting = context.use_l10n
+        context.use_l10n = self.use_l10n
+        output = self.nodelist.render(context)
+        context.use_l10n = old_setting
+        return output
+
+
+@register.tag("localize")
+def localize_tag(parser, token):
+    """
+    Force or prevents localization of values.
+
+    Sample usage::
+
+        {% localize off %}
+            var pi = {{ 3.1415 }};
+        {% endlocalize %}
+    """
+    use_l10n = None
+    bits = list(token.split_contents())
+    if len(bits) == 1:
+        use_l10n = True
+    elif len(bits) > 2 or bits[1] not in ("on", "off"):
+        raise TemplateSyntaxError("%r argument should be 'on' or 'off'" % bits[0])
+    else:
+        use_l10n = bits[1] == "on"
+    nodelist = parser.parse(("endlocalize",))
+    parser.delete_first_token()
+    return LocalizeNode(nodelist, use_l10n)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/static.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/static.py
new file mode 100644
index 00000000..a68e44ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/static.py
@@ -0,0 +1,179 @@
+from urllib.parse import quote, urljoin
+
+from django import template
+from django.apps import apps
+from django.utils.encoding import iri_to_uri
+from django.utils.html import conditional_escape
+
+register = template.Library()
+
+
+class PrefixNode(template.Node):
+    def __repr__(self):
+        return "<PrefixNode for %r>" % self.name
+
+    def __init__(self, varname=None, name=None):
+        if name is None:
+            raise template.TemplateSyntaxError(
+                "Prefix nodes must be given a name to return."
+            )
+        self.varname = varname
+        self.name = name
+
+    @classmethod
+    def handle_token(cls, parser, token, name):
+        """
+        Class method to parse prefix node and return a Node.
+        """
+        # token.split_contents() isn't useful here because tags using this
+        # method don't accept variable as arguments.
+        tokens = token.contents.split()
+        if len(tokens) > 1 and tokens[1] != "as":
+            raise template.TemplateSyntaxError(
+                "First argument in '%s' must be 'as'" % tokens[0]
+            )
+        if len(tokens) > 1:
+            varname = tokens[2]
+        else:
+            varname = None
+        return cls(varname, name)
+
+    @classmethod
+    def handle_simple(cls, name):
+        try:
+            from django.conf import settings
+        except ImportError:
+            prefix = ""
+        else:
+            prefix = iri_to_uri(getattr(settings, name, ""))
+        return prefix
+
+    def render(self, context):
+        prefix = self.handle_simple(self.name)
+        if self.varname is None:
+            return prefix
+        context[self.varname] = prefix
+        return ""
+
+
+@register.tag
+def get_static_prefix(parser, token):
+    """
+    Populate a template variable with the static prefix,
+    ``settings.STATIC_URL``.
+
+    Usage::
+
+        {% get_static_prefix [as varname] %}
+
+    Examples::
+
+        {% get_static_prefix %}
+        {% get_static_prefix as static_prefix %}
+    """
+    return PrefixNode.handle_token(parser, token, "STATIC_URL")
+
+
+@register.tag
+def get_media_prefix(parser, token):
+    """
+    Populate a template variable with the media prefix,
+    ``settings.MEDIA_URL``.
+
+    Usage::
+
+        {% get_media_prefix [as varname] %}
+
+    Examples::
+
+        {% get_media_prefix %}
+        {% get_media_prefix as media_prefix %}
+    """
+    return PrefixNode.handle_token(parser, token, "MEDIA_URL")
+
+
+class StaticNode(template.Node):
+    child_nodelists = ()
+
+    def __init__(self, varname=None, path=None):
+        if path is None:
+            raise template.TemplateSyntaxError(
+                "Static template nodes must be given a path to return."
+            )
+        self.path = path
+        self.varname = varname
+
+    def __repr__(self):
+        return (
+            f"{self.__class__.__name__}(varname={self.varname!r}, path={self.path!r})"
+        )
+
+    def url(self, context):
+        path = self.path.resolve(context)
+        return self.handle_simple(path)
+
+    def render(self, context):
+        url = self.url(context)
+        if context.autoescape:
+            url = conditional_escape(url)
+        if self.varname is None:
+            return url
+        context[self.varname] = url
+        return ""
+
+    @classmethod
+    def handle_simple(cls, path):
+        if apps.is_installed("django.contrib.staticfiles"):
+            from django.contrib.staticfiles.storage import staticfiles_storage
+
+            return staticfiles_storage.url(path)
+        else:
+            return urljoin(PrefixNode.handle_simple("STATIC_URL"), quote(path))
+
+    @classmethod
+    def handle_token(cls, parser, token):
+        """
+        Class method to parse prefix node and return a Node.
+        """
+        bits = token.split_contents()
+
+        if len(bits) < 2:
+            raise template.TemplateSyntaxError(
+                "'%s' takes at least one argument (path to file)" % bits[0]
+            )
+
+        path = parser.compile_filter(bits[1])
+
+        if len(bits) >= 2 and bits[-2] == "as":
+            varname = bits[3]
+        else:
+            varname = None
+
+        return cls(varname, path)
+
+
+@register.tag("static")
+def do_static(parser, token):
+    """
+    Join the given path with the STATIC_URL setting.
+
+    Usage::
+
+        {% static path [as varname] %}
+
+    Examples::
+
+        {% static "myapp/css/base.css" %}
+        {% static variable_with_path %}
+        {% static "myapp/css/base.css" as admin_base_css %}
+        {% static variable_with_path as varname %}
+    """
+    return StaticNode.handle_token(parser, token)
+
+
+def static(path):
+    """
+    Given a relative path to a static asset, return the absolute path to the
+    asset.
+    """
+    return StaticNode.handle_simple(path)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/tz.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/tz.py
new file mode 100644
index 00000000..f2cee2d3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/templatetags/tz.py
@@ -0,0 +1,202 @@
+import zoneinfo
+from datetime import datetime
+from datetime import timezone as datetime_timezone
+from datetime import tzinfo
+
+from django.template import Library, Node, TemplateSyntaxError
+from django.utils import timezone
+
+register = Library()
+
+
+# HACK: datetime instances cannot be assigned new attributes. Define a subclass
+# in order to define new attributes in do_timezone().
+class datetimeobject(datetime):
+    pass
+
+
+# Template filters
+
+
+@register.filter
+def localtime(value):
+    """
+    Convert a datetime to local time in the active time zone.
+
+    This only makes sense within a {% localtime off %} block.
+    """
+    return do_timezone(value, timezone.get_current_timezone())
+
+
+@register.filter
+def utc(value):
+    """
+    Convert a datetime to UTC.
+    """
+    return do_timezone(value, datetime_timezone.utc)
+
+
+@register.filter("timezone")
+def do_timezone(value, arg):
+    """
+    Convert a datetime to local time in a given time zone.
+
+    The argument must be an instance of a tzinfo subclass or a time zone name.
+
+    Naive datetimes are assumed to be in local time in the default time zone.
+    """
+    if not isinstance(value, datetime):
+        return ""
+
+    # Obtain a timezone-aware datetime
+    try:
+        if timezone.is_naive(value):
+            default_timezone = timezone.get_default_timezone()
+            value = timezone.make_aware(value, default_timezone)
+    # Filters must never raise exceptionsm, so catch everything.
+    except Exception:
+        return ""
+
+    # Obtain a tzinfo instance
+    if isinstance(arg, tzinfo):
+        tz = arg
+    elif isinstance(arg, str):
+        try:
+            tz = zoneinfo.ZoneInfo(arg)
+        except zoneinfo.ZoneInfoNotFoundError:
+            return ""
+    else:
+        return ""
+
+    result = timezone.localtime(value, tz)
+
+    # HACK: the convert_to_local_time flag will prevent
+    #       automatic conversion of the value to local time.
+    result = datetimeobject(
+        result.year,
+        result.month,
+        result.day,
+        result.hour,
+        result.minute,
+        result.second,
+        result.microsecond,
+        result.tzinfo,
+    )
+    result.convert_to_local_time = False
+    return result
+
+
+# Template tags
+
+
+class LocalTimeNode(Node):
+    """
+    Template node class used by ``localtime_tag``.
+    """
+
+    def __init__(self, nodelist, use_tz):
+        self.nodelist = nodelist
+        self.use_tz = use_tz
+
+    def render(self, context):
+        old_setting = context.use_tz
+        context.use_tz = self.use_tz
+        output = self.nodelist.render(context)
+        context.use_tz = old_setting
+        return output
+
+
+class TimezoneNode(Node):
+    """
+    Template node class used by ``timezone_tag``.
+    """
+
+    def __init__(self, nodelist, tz):
+        self.nodelist = nodelist
+        self.tz = tz
+
+    def render(self, context):
+        with timezone.override(self.tz.resolve(context)):
+            output = self.nodelist.render(context)
+        return output
+
+
+class GetCurrentTimezoneNode(Node):
+    """
+    Template node class used by ``get_current_timezone_tag``.
+    """
+
+    def __init__(self, variable):
+        self.variable = variable
+
+    def render(self, context):
+        context[self.variable] = timezone.get_current_timezone_name()
+        return ""
+
+
+@register.tag("localtime")
+def localtime_tag(parser, token):
+    """
+    Force or prevent conversion of datetime objects to local time,
+    regardless of the value of ``settings.USE_TZ``.
+
+    Sample usage::
+
+        {% localtime off %}{{ value_in_utc }}{% endlocaltime %}
+    """
+    bits = token.split_contents()
+    if len(bits) == 1:
+        use_tz = True
+    elif len(bits) > 2 or bits[1] not in ("on", "off"):
+        raise TemplateSyntaxError("%r argument should be 'on' or 'off'" % bits[0])
+    else:
+        use_tz = bits[1] == "on"
+    nodelist = parser.parse(("endlocaltime",))
+    parser.delete_first_token()
+    return LocalTimeNode(nodelist, use_tz)
+
+
+@register.tag("timezone")
+def timezone_tag(parser, token):
+    """
+    Enable a given time zone just for this block.
+
+    The ``timezone`` argument must be an instance of a ``tzinfo`` subclass, a
+    time zone name, or ``None``. If it is ``None``, the default time zone is
+    used within the block.
+
+    Sample usage::
+
+        {% timezone "Europe/Paris" %}
+            It is {{ now }} in Paris.
+        {% endtimezone %}
+    """
+    bits = token.split_contents()
+    if len(bits) != 2:
+        raise TemplateSyntaxError("'%s' takes one argument (timezone)" % bits[0])
+    tz = parser.compile_filter(bits[1])
+    nodelist = parser.parse(("endtimezone",))
+    parser.delete_first_token()
+    return TimezoneNode(nodelist, tz)
+
+
+@register.tag("get_current_timezone")
+def get_current_timezone_tag(parser, token):
+    """
+    Store the name of the current time zone in the context.
+
+    Usage::
+
+        {% get_current_timezone as TIME_ZONE %}
+
+    This will fetch the currently active time zone and put its name
+    into the ``TIME_ZONE`` context variable.
+    """
+    # token.split_contents() isn't useful here because this tag doesn't accept
+    # variable as arguments.
+    args = token.contents.split()
+    if len(args) != 3 or args[1] != "as":
+        raise TemplateSyntaxError(
+            "'get_current_timezone' requires 'as variable' (got %r)" % args
+        )
+    return GetCurrentTimezoneNode(args[2])
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/__init__.py
new file mode 100644
index 00000000..485298e8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/__init__.py
@@ -0,0 +1,38 @@
+"""Django Unit Test framework."""
+
+from django.test.client import AsyncClient, AsyncRequestFactory, Client, RequestFactory
+from django.test.testcases import (
+    LiveServerTestCase,
+    SimpleTestCase,
+    TestCase,
+    TransactionTestCase,
+    skipIfDBFeature,
+    skipUnlessAnyDBFeature,
+    skipUnlessDBFeature,
+)
+from django.test.utils import (
+    ignore_warnings,
+    modify_settings,
+    override_settings,
+    override_system_checks,
+    tag,
+)
+
+__all__ = [
+    "AsyncClient",
+    "AsyncRequestFactory",
+    "Client",
+    "RequestFactory",
+    "TestCase",
+    "TransactionTestCase",
+    "SimpleTestCase",
+    "LiveServerTestCase",
+    "skipIfDBFeature",
+    "skipUnlessAnyDBFeature",
+    "skipUnlessDBFeature",
+    "ignore_warnings",
+    "modify_settings",
+    "override_settings",
+    "override_system_checks",
+    "tag",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/client.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/client.py
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/client.py
@@ -0,0 +1,1564 @@
+import json
+import mimetypes
+import os
+import sys
+from copy import copy
+from functools import partial
+from http import HTTPStatus
+from importlib import import_module
+from io import BytesIO, IOBase
+from urllib.parse import unquote_to_bytes, urljoin, urlparse, urlsplit
+
+from asgiref.sync import sync_to_async
+
+from django.conf import settings
+from django.core.handlers.asgi import ASGIRequest
+from django.core.handlers.base import BaseHandler
+from django.core.handlers.wsgi import LimitedStream, WSGIRequest
+from django.core.serializers.json import DjangoJSONEncoder
+from django.core.signals import got_request_exception, request_finished, request_started
+from django.db import close_old_connections
+from django.http import HttpHeaders, HttpRequest, QueryDict, SimpleCookie
+from django.test import signals
+from django.test.utils import ContextList
+from django.urls import resolve
+from django.utils.encoding import force_bytes
+from django.utils.functional import SimpleLazyObject
+from django.utils.http import urlencode
+from django.utils.itercompat import is_iterable
+from django.utils.regex_helper import _lazy_re_compile
+
+__all__ = (
+    "AsyncClient",
+    "AsyncRequestFactory",
+    "Client",
+    "RedirectCycleError",
+    "RequestFactory",
+    "encode_file",
+    "encode_multipart",
+)
+
+
+BOUNDARY = "BoUnDaRyStRiNg"
+MULTIPART_CONTENT = "multipart/form-data; boundary=%s" % BOUNDARY
+CONTENT_TYPE_RE = _lazy_re_compile(r".*; charset=([\w-]+);?")
+# Structured suffix spec: https://tools.ietf.org/html/rfc6838#section-4.2.8
+JSON_CONTENT_TYPE_RE = _lazy_re_compile(r"^application\/(.+\+)?json")
+
+REDIRECT_STATUS_CODES = frozenset(
+    [
+        HTTPStatus.MOVED_PERMANENTLY,
+        HTTPStatus.FOUND,
+        HTTPStatus.SEE_OTHER,
+        HTTPStatus.TEMPORARY_REDIRECT,
+        HTTPStatus.PERMANENT_REDIRECT,
+    ]
+)
+
+
+class RedirectCycleError(Exception):
+    """The test client has been asked to follow a redirect loop."""
+
+    def __init__(self, message, last_response):
+        super().__init__(message)
+        self.last_response = last_response
+        self.redirect_chain = last_response.redirect_chain
+
+
+class FakePayload(IOBase):
+    """
+    A wrapper around BytesIO that restricts what can be read since data from
+    the network can't be sought and cannot be read outside of its content
+    length. This makes sure that views can't do anything under the test client
+    that wouldn't work in real life.
+    """
+
+    def __init__(self, initial_bytes=None):
+        self.__content = BytesIO()
+        self.__len = 0
+        self.read_started = False
+        if initial_bytes is not None:
+            self.write(initial_bytes)
+
+    def __len__(self):
+        return self.__len
+
+    def read(self, size=-1, /):
+        if not self.read_started:
+            self.__content.seek(0)
+            self.read_started = True
+        if size == -1 or size is None:
+            size = self.__len
+        assert (
+            self.__len >= size
+        ), "Cannot read more than the available bytes from the HTTP incoming data."
+        content = self.__content.read(size)
+        self.__len -= len(content)
+        return content
+
+    def readline(self, size=-1, /):
+        if not self.read_started:
+            self.__content.seek(0)
+            self.read_started = True
+        if size == -1 or size is None:
+            size = self.__len
+        assert (
+            self.__len >= size
+        ), "Cannot read more than the available bytes from the HTTP incoming data."
+        content = self.__content.readline(size)
+        self.__len -= len(content)
+        return content
+
+    def write(self, b, /):
+        if self.read_started:
+            raise ValueError("Unable to write a payload after it's been read")
+        content = force_bytes(b)
+        self.__content.write(content)
+        self.__len += len(content)
+
+
+def closing_iterator_wrapper(iterable, close):
+    try:
+        yield from iterable
+    finally:
+        request_finished.disconnect(close_old_connections)
+        close()  # will fire request_finished
+        request_finished.connect(close_old_connections)
+
+
+async def aclosing_iterator_wrapper(iterable, close):
+    try:
+        async for chunk in iterable:
+            yield chunk
+    finally:
+        request_finished.disconnect(close_old_connections)
+        close()  # will fire request_finished
+        request_finished.connect(close_old_connections)
+
+
+def conditional_content_removal(request, response):
+    """
+    Simulate the behavior of most web servers by removing the content of
+    responses for HEAD requests, 1xx, 204, and 304 responses. Ensure
+    compliance with RFC 9112 Section 6.3.
+    """
+    if 100 <= response.status_code < 200 or response.status_code in (204, 304):
+        if response.streaming:
+            response.streaming_content = []
+        else:
+            response.content = b""
+    if request.method == "HEAD":
+        if response.streaming:
+            response.streaming_content = []
+        else:
+            response.content = b""
+    return response
+
+
+class ClientHandler(BaseHandler):
+    """
+    An HTTP Handler that can be used for testing purposes. Use the WSGI
+    interface to compose requests, but return the raw HttpResponse object with
+    the originating WSGIRequest attached to its ``wsgi_request`` attribute.
+    """
+
+    def __init__(self, enforce_csrf_checks=True, *args, **kwargs):
+        self.enforce_csrf_checks = enforce_csrf_checks
+        super().__init__(*args, **kwargs)
+
+    def __call__(self, environ):
+        # Set up middleware if needed. We couldn't do this earlier, because
+        # settings weren't available.
+        if self._middleware_chain is None:
+            self.load_middleware()
+
+        request_started.disconnect(close_old_connections)
+        request_started.send(sender=self.__class__, environ=environ)
+        request_started.connect(close_old_connections)
+        request = WSGIRequest(environ)
+        # sneaky little hack so that we can easily get round
+        # CsrfViewMiddleware.  This makes life easier, and is probably
+        # required for backwards compatibility with external tests against
+        # admin views.
+        request._dont_enforce_csrf_checks = not self.enforce_csrf_checks
+
+        # Request goes through middleware.
+        response = self.get_response(request)
+
+        # Simulate behaviors of most web servers.
+        conditional_content_removal(request, response)
+
+        # Attach the originating request to the response so that it could be
+        # later retrieved.
+        response.wsgi_request = request
+
+        # Emulate a WSGI server by calling the close method on completion.
+        if response.streaming:
+            if response.is_async:
+                response.streaming_content = aclosing_iterator_wrapper(
+                    response.streaming_content, response.close
+                )
+            else:
+                response.streaming_content = closing_iterator_wrapper(
+                    response.streaming_content, response.close
+                )
+        else:
+            request_finished.disconnect(close_old_connections)
+            response.close()  # will fire request_finished
+            request_finished.connect(close_old_connections)
+
+        return response
+
+
+class AsyncClientHandler(BaseHandler):
+    """An async version of ClientHandler."""
+
+    def __init__(self, enforce_csrf_checks=True, *args, **kwargs):
+        self.enforce_csrf_checks = enforce_csrf_checks
+        super().__init__(*args, **kwargs)
+
+    async def __call__(self, scope):
+        # Set up middleware if needed. We couldn't do this earlier, because
+        # settings weren't available.
+        if self._middleware_chain is None:
+            self.load_middleware(is_async=True)
+        # Extract body file from the scope, if provided.
+        if "_body_file" in scope:
+            body_file = scope.pop("_body_file")
+        else:
+            body_file = FakePayload("")
+
+        request_started.disconnect(close_old_connections)
+        await request_started.asend(sender=self.__class__, scope=scope)
+        request_started.connect(close_old_connections)
+        # Wrap FakePayload body_file to allow large read() in test environment.
+        request = ASGIRequest(scope, LimitedStream(body_file, len(body_file)))
+        # Sneaky little hack so that we can easily get round
+        # CsrfViewMiddleware. This makes life easier, and is probably required
+        # for backwards compatibility with external tests against admin views.
+        request._dont_enforce_csrf_checks = not self.enforce_csrf_checks
+        # Request goes through middleware.
+        response = await self.get_response_async(request)
+        # Simulate behaviors of most web servers.
+        conditional_content_removal(request, response)
+        # Attach the originating ASGI request to the response so that it could
+        # be later retrieved.
+        response.asgi_request = request
+        # Emulate a server by calling the close method on completion.
+        if response.streaming:
+            if response.is_async:
+                response.streaming_content = aclosing_iterator_wrapper(
+                    response.streaming_content, response.close
+                )
+            else:
+                response.streaming_content = closing_iterator_wrapper(
+                    response.streaming_content, response.close
+                )
+        else:
+            request_finished.disconnect(close_old_connections)
+            # Will fire request_finished.
+            await sync_to_async(response.close, thread_sensitive=False)()
+            request_finished.connect(close_old_connections)
+        return response
+
+
+def store_rendered_templates(store, signal, sender, template, context, **kwargs):
+    """
+    Store templates and contexts that are rendered.
+
+    The context is copied so that it is an accurate representation at the time
+    of rendering.
+    """
+    store.setdefault("templates", []).append(template)
+    if "context" not in store:
+        store["context"] = ContextList()
+    store["context"].append(copy(context))
+
+
+def encode_multipart(boundary, data):
+    """
+    Encode multipart POST data from a dictionary of form values.
+
+    The key will be used as the form data name; the value will be transmitted
+    as content. If the value is a file, the contents of the file will be sent
+    as an application/octet-stream; otherwise, str(value) will be sent.
+    """
+    lines = []
+
+    def to_bytes(s):
+        return force_bytes(s, settings.DEFAULT_CHARSET)
+
+    # Not by any means perfect, but good enough for our purposes.
+    def is_file(thing):
+        return hasattr(thing, "read") and callable(thing.read)
+
+    # Each bit of the multipart form data could be either a form value or a
+    # file, or a *list* of form values and/or files. Remember that HTTP field
+    # names can be duplicated!
+    for key, value in data.items():
+        if value is None:
+            raise TypeError(
+                "Cannot encode None for key '%s' as POST data. Did you mean "
+                "to pass an empty string or omit the value?" % key
+            )
+        elif is_file(value):
+            lines.extend(encode_file(boundary, key, value))
+        elif not isinstance(value, str) and is_iterable(value):
+            for item in value:
+                if is_file(item):
+                    lines.extend(encode_file(boundary, key, item))
+                else:
+                    lines.extend(
+                        to_bytes(val)
+                        for val in [
+                            "--%s" % boundary,
+                            'Content-Disposition: form-data; name="%s"' % key,
+                            "",
+                            item,
+                        ]
+                    )
+        else:
+            lines.extend(
+                to_bytes(val)
+                for val in [
+                    "--%s" % boundary,
+                    'Content-Disposition: form-data; name="%s"' % key,
+                    "",
+                    value,
+                ]
+            )
+
+    lines.extend(
+        [
+            to_bytes("--%s--" % boundary),
+            b"",
+        ]
+    )
+    return b"\r\n".join(lines)
+
+
+def encode_file(boundary, key, file):
+    def to_bytes(s):
+        return force_bytes(s, settings.DEFAULT_CHARSET)
+
+    # file.name might not be a string. For example, it's an int for
+    # tempfile.TemporaryFile().
+    file_has_string_name = hasattr(file, "name") and isinstance(file.name, str)
+    filename = os.path.basename(file.name) if file_has_string_name else ""
+
+    if hasattr(file, "content_type"):
+        content_type = file.content_type
+    elif filename:
+        content_type = mimetypes.guess_type(filename)[0]
+    else:
+        content_type = None
+
+    if content_type is None:
+        content_type = "application/octet-stream"
+    filename = filename or key
+    return [
+        to_bytes("--%s" % boundary),
+        to_bytes(
+            'Content-Disposition: form-data; name="%s"; filename="%s"' % (key, filename)
+        ),
+        to_bytes("Content-Type: %s" % content_type),
+        b"",
+        to_bytes(file.read()),
+    ]
+
+
+class RequestFactory:
+    """
+    Class that lets you create mock Request objects for use in testing.
+
+    Usage:
+
+    rf = RequestFactory()
+    get_request = rf.get('/hello/')
+    post_request = rf.post('/submit/', {'foo': 'bar'})
+
+    Once you have a request object you can pass it to any view function,
+    just as if that view had been hooked up using a URLconf.
+    """
+
+    def __init__(self, *, json_encoder=DjangoJSONEncoder, headers=None, **defaults):
+        self.json_encoder = json_encoder
+        self.defaults = defaults
+        self.cookies = SimpleCookie()
+        self.errors = BytesIO()
+        if headers:
+            self.defaults.update(HttpHeaders.to_wsgi_names(headers))
+
+    def _base_environ(self, **request):
+        """
+        The base environment for a request.
+        """
+        # This is a minimal valid WSGI environ dictionary, plus:
+        # - HTTP_COOKIE: for cookie support,
+        # - REMOTE_ADDR: often useful, see #8551.
+        # See https://www.python.org/dev/peps/pep-3333/#environ-variables
+        return {
+            "HTTP_COOKIE": "; ".join(
+                sorted(
+                    "%s=%s" % (morsel.key, morsel.coded_value)
+                    for morsel in self.cookies.values()
+                )
+            ),
+            "PATH_INFO": "/",
+            "REMOTE_ADDR": "127.0.0.1",
+            "REQUEST_METHOD": "GET",
+            "SCRIPT_NAME": "",
+            "SERVER_NAME": "testserver",
+            "SERVER_PORT": "80",
+            "SERVER_PROTOCOL": "HTTP/1.1",
+            "wsgi.version": (1, 0),
+            "wsgi.url_scheme": "http",
+            "wsgi.input": FakePayload(b""),
+            "wsgi.errors": self.errors,
+            "wsgi.multiprocess": True,
+            "wsgi.multithread": False,
+            "wsgi.run_once": False,
+            **self.defaults,
+            **request,
+        }
+
+    def request(self, **request):
+        "Construct a generic request object."
+        return WSGIRequest(self._base_environ(**request))
+
+    def _encode_data(self, data, content_type):
+        if content_type is MULTIPART_CONTENT:
+            return encode_multipart(BOUNDARY, data)
+        else:
+            # Encode the content so that the byte representation is correct.
+            match = CONTENT_TYPE_RE.match(content_type)
+            if match:
+                charset = match[1]
+            else:
+                charset = settings.DEFAULT_CHARSET
+            return force_bytes(data, encoding=charset)
+
+    def _encode_json(self, data, content_type):
+        """
+        Return encoded JSON if data is a dict, list, or tuple and content_type
+        is application/json.
+        """
+        should_encode = JSON_CONTENT_TYPE_RE.match(content_type) and isinstance(
+            data, (dict, list, tuple)
+        )
+        return json.dumps(data, cls=self.json_encoder) if should_encode else data
+
+    def _get_path(self, parsed):
+        path = parsed.path
+        # If there are parameters, add them
+        if parsed.params:
+            path += ";" + parsed.params
+        path = unquote_to_bytes(path)
+        # Replace the behavior where non-ASCII values in the WSGI environ are
+        # arbitrarily decoded with ISO-8859-1.
+        # Refs comment in `get_bytes_from_wsgi()`.
+        return path.decode("iso-8859-1")
+
+    def get(self, path, data=None, secure=False, *, headers=None, **extra):
+        """Construct a GET request."""
+        data = {} if data is None else data
+        return self.generic(
+            "GET",
+            path,
+            secure=secure,
+            headers=headers,
+            **{
+                "QUERY_STRING": urlencode(data, doseq=True),
+                **extra,
+            },
+        )
+
+    def post(
+        self,
+        path,
+        data=None,
+        content_type=MULTIPART_CONTENT,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Construct a POST request."""
+        data = self._encode_json({} if data is None else data, content_type)
+        post_data = self._encode_data(data, content_type)
+
+        return self.generic(
+            "POST",
+            path,
+            post_data,
+            content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+
+    def head(self, path, data=None, secure=False, *, headers=None, **extra):
+        """Construct a HEAD request."""
+        data = {} if data is None else data
+        return self.generic(
+            "HEAD",
+            path,
+            secure=secure,
+            headers=headers,
+            **{
+                "QUERY_STRING": urlencode(data, doseq=True),
+                **extra,
+            },
+        )
+
+    def trace(self, path, secure=False, *, headers=None, **extra):
+        """Construct a TRACE request."""
+        return self.generic("TRACE", path, secure=secure, headers=headers, **extra)
+
+    def options(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        "Construct an OPTIONS request."
+        return self.generic(
+            "OPTIONS", path, data, content_type, secure=secure, headers=headers, **extra
+        )
+
+    def put(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Construct a PUT request."""
+        data = self._encode_json(data, content_type)
+        return self.generic(
+            "PUT", path, data, content_type, secure=secure, headers=headers, **extra
+        )
+
+    def patch(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Construct a PATCH request."""
+        data = self._encode_json(data, content_type)
+        return self.generic(
+            "PATCH", path, data, content_type, secure=secure, headers=headers, **extra
+        )
+
+    def delete(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Construct a DELETE request."""
+        data = self._encode_json(data, content_type)
+        return self.generic(
+            "DELETE", path, data, content_type, secure=secure, headers=headers, **extra
+        )
+
+    def generic(
+        self,
+        method,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Construct an arbitrary HTTP request."""
+        parsed = urlparse(str(path))  # path can be lazy
+        data = force_bytes(data, settings.DEFAULT_CHARSET)
+        r = {
+            "PATH_INFO": self._get_path(parsed),
+            "REQUEST_METHOD": method,
+            "SERVER_PORT": "443" if secure else "80",
+            "wsgi.url_scheme": "https" if secure else "http",
+        }
+        if data:
+            r.update(
+                {
+                    "CONTENT_LENGTH": str(len(data)),
+                    "CONTENT_TYPE": content_type,
+                    "wsgi.input": FakePayload(data),
+                }
+            )
+        if headers:
+            extra.update(HttpHeaders.to_wsgi_names(headers))
+        r.update(extra)
+        # If QUERY_STRING is absent or empty, we want to extract it from the URL.
+        if not r.get("QUERY_STRING"):
+            # WSGI requires latin-1 encoded strings. See get_path_info().
+            query_string = parsed[4].encode().decode("iso-8859-1")
+            r["QUERY_STRING"] = query_string
+        return self.request(**r)
+
+
+class AsyncRequestFactory(RequestFactory):
+    """
+    Class that lets you create mock ASGI-like Request objects for use in
+    testing. Usage:
+
+    rf = AsyncRequestFactory()
+    get_request = rf.get("/hello/")
+    post_request = rf.post("/submit/", {"foo": "bar"})
+
+    Once you have a request object you can pass it to any view function,
+    including synchronous ones. The reason we have a separate class here is:
+    a) this makes ASGIRequest subclasses, and
+    b) AsyncTestClient can subclass it.
+    """
+
+    def _base_scope(self, **request):
+        """The base scope for a request."""
+        # This is a minimal valid ASGI scope, plus:
+        # - headers['cookie'] for cookie support,
+        # - 'client' often useful, see #8551.
+        scope = {
+            "asgi": {"version": "3.0"},
+            "type": "http",
+            "http_version": "1.1",
+            "client": ["127.0.0.1", 0],
+            "server": ("testserver", "80"),
+            "scheme": "http",
+            "method": "GET",
+            "headers": [],
+            **self.defaults,
+            **request,
+        }
+        scope["headers"].append(
+            (
+                b"cookie",
+                b"; ".join(
+                    sorted(
+                        ("%s=%s" % (morsel.key, morsel.coded_value)).encode("ascii")
+                        for morsel in self.cookies.values()
+                    )
+                ),
+            )
+        )
+        return scope
+
+    def request(self, **request):
+        """Construct a generic request object."""
+        # This is synchronous, which means all methods on this class are.
+        # AsyncClient, however, has an async request function, which makes all
+        # its methods async.
+        if "_body_file" in request:
+            body_file = request.pop("_body_file")
+        else:
+            body_file = FakePayload("")
+        # Wrap FakePayload body_file to allow large read() in test environment.
+        return ASGIRequest(
+            self._base_scope(**request), LimitedStream(body_file, len(body_file))
+        )
+
+    def generic(
+        self,
+        method,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Construct an arbitrary HTTP request."""
+        parsed = urlparse(str(path))  # path can be lazy.
+        data = force_bytes(data, settings.DEFAULT_CHARSET)
+        s = {
+            "method": method,
+            "path": self._get_path(parsed),
+            "server": ("127.0.0.1", "443" if secure else "80"),
+            "scheme": "https" if secure else "http",
+            "headers": [(b"host", b"testserver")],
+        }
+        if data:
+            s["headers"].extend(
+                [
+                    (b"content-length", str(len(data)).encode("ascii")),
+                    (b"content-type", content_type.encode("ascii")),
+                ]
+            )
+            s["_body_file"] = FakePayload(data)
+        if query_string := extra.pop("QUERY_STRING", None):
+            s["query_string"] = query_string
+        if headers:
+            extra.update(HttpHeaders.to_asgi_names(headers))
+        s["headers"] += [
+            (key.lower().encode("ascii"), value.encode("latin1"))
+            for key, value in extra.items()
+        ]
+        # If QUERY_STRING is absent or empty, we want to extract it from the
+        # URL.
+        if not s.get("query_string"):
+            s["query_string"] = parsed[4]
+        return self.request(**s)
+
+
+class ClientMixin:
+    """
+    Mixin with common methods between Client and AsyncClient.
+    """
+
+    def store_exc_info(self, **kwargs):
+        """Store exceptions when they are generated by a view."""
+        self.exc_info = sys.exc_info()
+
+    def check_exception(self, response):
+        """
+        Look for a signaled exception, clear the current context exception
+        data, re-raise the signaled exception, and clear the signaled exception
+        from the local cache.
+        """
+        response.exc_info = self.exc_info
+        if self.exc_info:
+            _, exc_value, _ = self.exc_info
+            self.exc_info = None
+            if self.raise_request_exception:
+                raise exc_value
+
+    @property
+    def session(self):
+        """Return the current session variables."""
+        engine = import_module(settings.SESSION_ENGINE)
+        cookie = self.cookies.get(settings.SESSION_COOKIE_NAME)
+        if cookie:
+            return engine.SessionStore(cookie.value)
+        session = engine.SessionStore()
+        session.save()
+        self.cookies[settings.SESSION_COOKIE_NAME] = session.session_key
+        return session
+
+    async def asession(self):
+        return await sync_to_async(lambda: self.session)()
+
+    def login(self, **credentials):
+        """
+        Set the Factory to appear as if it has successfully logged into a site.
+
+        Return True if login is possible or False if the provided credentials
+        are incorrect.
+        """
+        from django.contrib.auth import authenticate
+
+        user = authenticate(**credentials)
+        if user:
+            self._login(user)
+            return True
+        return False
+
+    async def alogin(self, **credentials):
+        """See login()."""
+        from django.contrib.auth import aauthenticate
+
+        user = await aauthenticate(**credentials)
+        if user:
+            await self._alogin(user)
+            return True
+        return False
+
+    def force_login(self, user, backend=None):
+        if backend is None:
+            backend = self._get_backend()
+        user.backend = backend
+        self._login(user, backend)
+
+    async def aforce_login(self, user, backend=None):
+        if backend is None:
+            backend = self._get_backend()
+        user.backend = backend
+        await self._alogin(user, backend)
+
+    def _get_backend(self):
+        from django.contrib.auth import load_backend
+
+        for backend_path in settings.AUTHENTICATION_BACKENDS:
+            backend = load_backend(backend_path)
+            if hasattr(backend, "get_user"):
+                return backend_path
+
+    def _login(self, user, backend=None):
+        from django.contrib.auth import login
+
+        # Create a fake request to store login details.
+        request = HttpRequest()
+        if self.session:
+            request.session = self.session
+        else:
+            engine = import_module(settings.SESSION_ENGINE)
+            request.session = engine.SessionStore()
+        login(request, user, backend)
+        # Save the session values.
+        request.session.save()
+        self._set_login_cookies(request)
+
+    async def _alogin(self, user, backend=None):
+        from django.contrib.auth import alogin
+
+        # Create a fake request to store login details.
+        request = HttpRequest()
+        session = await self.asession()
+        if session:
+            request.session = session
+        else:
+            engine = import_module(settings.SESSION_ENGINE)
+            request.session = engine.SessionStore()
+
+        await alogin(request, user, backend)
+        # Save the session values.
+        await sync_to_async(request.session.save)()
+        self._set_login_cookies(request)
+
+    def _set_login_cookies(self, request):
+        # Set the cookie to represent the session.
+        session_cookie = settings.SESSION_COOKIE_NAME
+        self.cookies[session_cookie] = request.session.session_key
+        cookie_data = {
+            "max-age": None,
+            "path": "/",
+            "domain": settings.SESSION_COOKIE_DOMAIN,
+            "secure": settings.SESSION_COOKIE_SECURE or None,
+            "expires": None,
+        }
+        self.cookies[session_cookie].update(cookie_data)
+
+    def logout(self):
+        """Log out the user by removing the cookies and session object."""
+        from django.contrib.auth import get_user, logout
+
+        request = HttpRequest()
+        if self.session:
+            request.session = self.session
+            request.user = get_user(request)
+        else:
+            engine = import_module(settings.SESSION_ENGINE)
+            request.session = engine.SessionStore()
+        logout(request)
+        self.cookies = SimpleCookie()
+
+    async def alogout(self):
+        """See logout()."""
+        from django.contrib.auth import aget_user, alogout
+
+        request = HttpRequest()
+        session = await self.asession()
+        if session:
+            request.session = session
+            request.user = await aget_user(request)
+        else:
+            engine = import_module(settings.SESSION_ENGINE)
+            request.session = engine.SessionStore()
+        await alogout(request)
+        self.cookies = SimpleCookie()
+
+    def _parse_json(self, response, **extra):
+        if not hasattr(response, "_json"):
+            if not JSON_CONTENT_TYPE_RE.match(response.get("Content-Type")):
+                raise ValueError(
+                    'Content-Type header is "%s", not "application/json"'
+                    % response.get("Content-Type")
+                )
+            response._json = json.loads(
+                response.content.decode(response.charset), **extra
+            )
+        return response._json
+
+    def _follow_redirect(
+        self, response, *, data="", content_type="", headers=None, **extra
+    ):
+        """Follow a single redirect contained in response using GET."""
+        response_url = response.url
+        redirect_chain = response.redirect_chain
+        redirect_chain.append((response_url, response.status_code))
+
+        url = urlsplit(response_url)
+        if url.scheme:
+            extra["wsgi.url_scheme"] = url.scheme
+        if url.hostname:
+            extra["SERVER_NAME"] = url.hostname
+        if url.port:
+            extra["SERVER_PORT"] = str(url.port)
+
+        path = url.path
+        # RFC 3986 Section 6.2.3: Empty path should be normalized to "/".
+        if not path and url.netloc:
+            path = "/"
+        # Prepend the request path to handle relative path redirects
+        if not path.startswith("/"):
+            path = urljoin(response.request["PATH_INFO"], path)
+
+        if response.status_code in (
+            HTTPStatus.TEMPORARY_REDIRECT,
+            HTTPStatus.PERMANENT_REDIRECT,
+        ):
+            # Preserve request method and query string (if needed)
+            # post-redirect for 307/308 responses.
+            request_method = response.request["REQUEST_METHOD"].lower()
+            if request_method not in ("get", "head"):
+                extra["QUERY_STRING"] = url.query
+            request_method = getattr(self, request_method)
+        else:
+            request_method = self.get
+            data = QueryDict(url.query)
+            content_type = None
+
+        return request_method(
+            path,
+            data=data,
+            content_type=content_type,
+            follow=False,
+            headers=headers,
+            **extra,
+        )
+
+    def _ensure_redirects_not_cyclic(self, response):
+        """
+        Raise a RedirectCycleError if response contains too many redirects.
+        """
+        redirect_chain = response.redirect_chain
+        if redirect_chain[-1] in redirect_chain[:-1]:
+            # Check that we're not redirecting to somewhere we've already been
+            # to, to prevent loops.
+            raise RedirectCycleError("Redirect loop detected.", last_response=response)
+        if len(redirect_chain) > 20:
+            # Such a lengthy chain likely also means a loop, but one with a
+            # growing path, changing view, or changing query argument. 20 is
+            # the value of "network.http.redirection-limit" from Firefox.
+            raise RedirectCycleError("Too many redirects.", last_response=response)
+
+
+class Client(ClientMixin, RequestFactory):
+    """
+    A class that can act as a client for testing purposes.
+
+    It allows the user to compose GET and POST requests, and
+    obtain the response that the server gave to those requests.
+    The server Response objects are annotated with the details
+    of the contexts and templates that were rendered during the
+    process of serving the request.
+
+    Client objects are stateful - they will retain cookie (and
+    thus session) details for the lifetime of the Client instance.
+
+    This is not intended as a replacement for Twill/Selenium or
+    the like - it is here to allow testing against the
+    contexts and templates produced by a view, rather than the
+    HTML rendered to the end-user.
+    """
+
+    def __init__(
+        self,
+        enforce_csrf_checks=False,
+        raise_request_exception=True,
+        *,
+        headers=None,
+        **defaults,
+    ):
+        super().__init__(headers=headers, **defaults)
+        self.handler = ClientHandler(enforce_csrf_checks)
+        self.raise_request_exception = raise_request_exception
+        self.exc_info = None
+        self.extra = None
+        self.headers = None
+
+    def request(self, **request):
+        """
+        Make a generic request. Compose the environment dictionary and pass
+        to the handler, return the result of the handler. Assume defaults for
+        the query environment, which can be overridden using the arguments to
+        the request.
+        """
+        environ = self._base_environ(**request)
+
+        # Curry a data dictionary into an instance of the template renderer
+        # callback function.
+        data = {}
+        on_template_render = partial(store_rendered_templates, data)
+        signal_uid = "template-render-%s" % id(request)
+        signals.template_rendered.connect(on_template_render, dispatch_uid=signal_uid)
+        # Capture exceptions created by the handler.
+        exception_uid = "request-exception-%s" % id(request)
+        got_request_exception.connect(self.store_exc_info, dispatch_uid=exception_uid)
+        try:
+            response = self.handler(environ)
+        finally:
+            signals.template_rendered.disconnect(dispatch_uid=signal_uid)
+            got_request_exception.disconnect(dispatch_uid=exception_uid)
+        # Check for signaled exceptions.
+        self.check_exception(response)
+        # Save the client and request that stimulated the response.
+        response.client = self
+        response.request = request
+        # Add any rendered template detail to the response.
+        response.templates = data.get("templates", [])
+        response.context = data.get("context")
+        response.json = partial(self._parse_json, response)
+        # Attach the ResolverMatch instance to the response.
+        urlconf = getattr(response.wsgi_request, "urlconf", None)
+        response.resolver_match = SimpleLazyObject(
+            lambda: resolve(request["PATH_INFO"], urlconf=urlconf),
+        )
+        # Flatten a single context. Not really necessary anymore thanks to the
+        # __getattr__ flattening in ContextList, but has some edge case
+        # backwards compatibility implications.
+        if response.context and len(response.context) == 1:
+            response.context = response.context[0]
+        # Update persistent cookie data.
+        if response.cookies:
+            self.cookies.update(response.cookies)
+        return response
+
+    def get(
+        self,
+        path,
+        data=None,
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using GET."""
+        self.extra = extra
+        self.headers = headers
+        response = super().get(path, data=data, secure=secure, headers=headers, **extra)
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, headers=headers, **extra
+            )
+        return response
+
+    def post(
+        self,
+        path,
+        data=None,
+        content_type=MULTIPART_CONTENT,
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using POST."""
+        self.extra = extra
+        self.headers = headers
+        response = super().post(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    def head(
+        self,
+        path,
+        data=None,
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using HEAD."""
+        self.extra = extra
+        self.headers = headers
+        response = super().head(
+            path, data=data, secure=secure, headers=headers, **extra
+        )
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, headers=headers, **extra
+            )
+        return response
+
+    def options(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using OPTIONS."""
+        self.extra = extra
+        self.headers = headers
+        response = super().options(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    def put(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a resource to the server using PUT."""
+        self.extra = extra
+        self.headers = headers
+        response = super().put(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    def patch(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a resource to the server using PATCH."""
+        self.extra = extra
+        self.headers = headers
+        response = super().patch(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    def delete(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a DELETE request to the server."""
+        self.extra = extra
+        self.headers = headers
+        response = super().delete(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    def trace(
+        self,
+        path,
+        data="",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a TRACE request to the server."""
+        self.extra = extra
+        self.headers = headers
+        response = super().trace(
+            path, data=data, secure=secure, headers=headers, **extra
+        )
+        if follow:
+            response = self._handle_redirects(
+                response, data=data, headers=headers, **extra
+            )
+        return response
+
+    def _handle_redirects(
+        self,
+        response,
+        data="",
+        content_type="",
+        headers=None,
+        **extra,
+    ):
+        """
+        Follow any redirects by requesting responses from the server using GET.
+        """
+        response.redirect_chain = []
+        while response.status_code in REDIRECT_STATUS_CODES:
+            redirect_chain = response.redirect_chain
+            response = self._follow_redirect(
+                response,
+                data=data,
+                content_type=content_type,
+                headers=headers,
+                **extra,
+            )
+            response.redirect_chain = redirect_chain
+            self._ensure_redirects_not_cyclic(response)
+        return response
+
+
+class AsyncClient(ClientMixin, AsyncRequestFactory):
+    """
+    An async version of Client that creates ASGIRequests and calls through an
+    async request path.
+
+    Does not currently support "follow" on its methods.
+    """
+
+    def __init__(
+        self,
+        enforce_csrf_checks=False,
+        raise_request_exception=True,
+        *,
+        headers=None,
+        **defaults,
+    ):
+        super().__init__(headers=headers, **defaults)
+        self.handler = AsyncClientHandler(enforce_csrf_checks)
+        self.raise_request_exception = raise_request_exception
+        self.exc_info = None
+        self.extra = None
+        self.headers = None
+
+    async def request(self, **request):
+        """
+        Make a generic request. Compose the scope dictionary and pass to the
+        handler, return the result of the handler. Assume defaults for the
+        query environment, which can be overridden using the arguments to the
+        request.
+        """
+        scope = self._base_scope(**request)
+        # Curry a data dictionary into an instance of the template renderer
+        # callback function.
+        data = {}
+        on_template_render = partial(store_rendered_templates, data)
+        signal_uid = "template-render-%s" % id(request)
+        signals.template_rendered.connect(on_template_render, dispatch_uid=signal_uid)
+        # Capture exceptions created by the handler.
+        exception_uid = "request-exception-%s" % id(request)
+        got_request_exception.connect(self.store_exc_info, dispatch_uid=exception_uid)
+        try:
+            response = await self.handler(scope)
+        finally:
+            signals.template_rendered.disconnect(dispatch_uid=signal_uid)
+            got_request_exception.disconnect(dispatch_uid=exception_uid)
+        # Check for signaled exceptions.
+        self.check_exception(response)
+        # Save the client and request that stimulated the response.
+        response.client = self
+        response.request = request
+        # Add any rendered template detail to the response.
+        response.templates = data.get("templates", [])
+        response.context = data.get("context")
+        response.json = partial(self._parse_json, response)
+        # Attach the ResolverMatch instance to the response.
+        urlconf = getattr(response.asgi_request, "urlconf", None)
+        response.resolver_match = SimpleLazyObject(
+            lambda: resolve(request["path"], urlconf=urlconf),
+        )
+        # Flatten a single context. Not really necessary anymore thanks to the
+        # __getattr__ flattening in ContextList, but has some edge case
+        # backwards compatibility implications.
+        if response.context and len(response.context) == 1:
+            response.context = response.context[0]
+        # Update persistent cookie data.
+        if response.cookies:
+            self.cookies.update(response.cookies)
+        return response
+
+    async def get(
+        self,
+        path,
+        data=None,
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using GET."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().get(
+            path, data=data, secure=secure, headers=headers, **extra
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, headers=headers, **extra
+            )
+        return response
+
+    async def post(
+        self,
+        path,
+        data=None,
+        content_type=MULTIPART_CONTENT,
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using POST."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().post(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    async def head(
+        self,
+        path,
+        data=None,
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using HEAD."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().head(
+            path, data=data, secure=secure, headers=headers, **extra
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, headers=headers, **extra
+            )
+        return response
+
+    async def options(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Request a response from the server using OPTIONS."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().options(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    async def put(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a resource to the server using PUT."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().put(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    async def patch(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a resource to the server using PATCH."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().patch(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    async def delete(
+        self,
+        path,
+        data="",
+        content_type="application/octet-stream",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a DELETE request to the server."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().delete(
+            path,
+            data=data,
+            content_type=content_type,
+            secure=secure,
+            headers=headers,
+            **extra,
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, content_type=content_type, headers=headers, **extra
+            )
+        return response
+
+    async def trace(
+        self,
+        path,
+        data="",
+        follow=False,
+        secure=False,
+        *,
+        headers=None,
+        **extra,
+    ):
+        """Send a TRACE request to the server."""
+        self.extra = extra
+        self.headers = headers
+        response = await super().trace(
+            path, data=data, secure=secure, headers=headers, **extra
+        )
+        if follow:
+            response = await self._ahandle_redirects(
+                response, data=data, headers=headers, **extra
+            )
+        return response
+
+    async def _ahandle_redirects(
+        self,
+        response,
+        data="",
+        content_type="",
+        headers=None,
+        **extra,
+    ):
+        """
+        Follow any redirects by requesting responses from the server using GET.
+        """
+        response.redirect_chain = []
+        while response.status_code in REDIRECT_STATUS_CODES:
+            redirect_chain = response.redirect_chain
+            response = await self._follow_redirect(
+                response,
+                data=data,
+                content_type=content_type,
+                headers=headers,
+                **extra,
+            )
+            response.redirect_chain = redirect_chain
+            self._ensure_redirects_not_cyclic(response)
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/html.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/html.py
new file mode 100644
index 00000000..33d1d4da
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/html.py
@@ -0,0 +1,273 @@
+"""Compare two HTML documents."""
+
+import html
+from html.parser import HTMLParser
+
+from django.utils.html import VOID_ELEMENTS
+from django.utils.regex_helper import _lazy_re_compile
+
+# ASCII whitespace is U+0009 TAB, U+000A LF, U+000C FF, U+000D CR, or U+0020
+# SPACE.
+# https://infra.spec.whatwg.org/#ascii-whitespace
+ASCII_WHITESPACE = _lazy_re_compile(r"[\t\n\f\r ]+")
+
+# https://html.spec.whatwg.org/#attributes-3
+BOOLEAN_ATTRIBUTES = {
+    "allowfullscreen",
+    "async",
+    "autofocus",
+    "autoplay",
+    "checked",
+    "controls",
+    "default",
+    "defer ",
+    "disabled",
+    "formnovalidate",
+    "hidden",
+    "ismap",
+    "itemscope",
+    "loop",
+    "multiple",
+    "muted",
+    "nomodule",
+    "novalidate",
+    "open",
+    "playsinline",
+    "readonly",
+    "required",
+    "reversed",
+    "selected",
+    # Attributes for deprecated tags.
+    "truespeed",
+}
+
+
+def normalize_whitespace(string):
+    return ASCII_WHITESPACE.sub(" ", string)
+
+
+def normalize_attributes(attributes):
+    normalized = []
+    for name, value in attributes:
+        if name == "class" and value:
+            # Special case handling of 'class' attribute, so that comparisons
+            # of DOM instances are not sensitive to ordering of classes.
+            value = " ".join(
+                sorted(value for value in ASCII_WHITESPACE.split(value) if value)
+            )
+        # Boolean attributes without a value is same as attribute with value
+        # that equals the attributes name. For example:
+        #   <input checked> == <input checked="checked">
+        if name in BOOLEAN_ATTRIBUTES:
+            if not value or value == name:
+                value = None
+        elif value is None:
+            value = ""
+        normalized.append((name, value))
+    return normalized
+
+
+class Element:
+    def __init__(self, name, attributes):
+        self.name = name
+        self.attributes = sorted(attributes)
+        self.children = []
+
+    def append(self, element):
+        if isinstance(element, str):
+            element = normalize_whitespace(element)
+            if self.children and isinstance(self.children[-1], str):
+                self.children[-1] += element
+                self.children[-1] = normalize_whitespace(self.children[-1])
+                return
+        elif self.children:
+            # removing last children if it is only whitespace
+            # this can result in incorrect dom representations since
+            # whitespace between inline tags like <span> is significant
+            if isinstance(self.children[-1], str) and self.children[-1].isspace():
+                self.children.pop()
+        if element:
+            self.children.append(element)
+
+    def finalize(self):
+        def rstrip_last_element(children):
+            if children and isinstance(children[-1], str):
+                children[-1] = children[-1].rstrip()
+                if not children[-1]:
+                    children.pop()
+                    children = rstrip_last_element(children)
+            return children
+
+        rstrip_last_element(self.children)
+        for i, child in enumerate(self.children):
+            if isinstance(child, str):
+                self.children[i] = child.strip()
+            elif hasattr(child, "finalize"):
+                child.finalize()
+
+    def __eq__(self, element):
+        if not hasattr(element, "name") or self.name != element.name:
+            return False
+        if self.attributes != element.attributes:
+            return False
+        return self.children == element.children
+
+    def __hash__(self):
+        return hash((self.name, *self.attributes))
+
+    def _count(self, element, count=True):
+        if not isinstance(element, str) and self == element:
+            return 1
+        if isinstance(element, RootElement) and self.children == element.children:
+            return 1
+        i = 0
+        elem_child_idx = 0
+        for child in self.children:
+            # child is text content and element is also text content, then
+            # make a simple "text" in "text"
+            if isinstance(child, str):
+                if isinstance(element, str):
+                    if count:
+                        i += child.count(element)
+                    elif element in child:
+                        return 1
+            else:
+                # Look for element wholly within this child.
+                i += child._count(element, count=count)
+                if not count and i:
+                    return i
+                # Also look for a sequence of element's children among self's
+                # children. self.children == element.children is tested above,
+                # but will fail if self has additional children. Ex: '<a/><b/>'
+                # is contained in '<a/><b/><c/>'.
+                if isinstance(element, RootElement) and element.children:
+                    elem_child = element.children[elem_child_idx]
+                    # Start or continue match, advance index.
+                    if elem_child == child:
+                        elem_child_idx += 1
+                        # Match found, reset index.
+                        if elem_child_idx == len(element.children):
+                            i += 1
+                            elem_child_idx = 0
+                    # No match, reset index.
+                    else:
+                        elem_child_idx = 0
+        return i
+
+    def __contains__(self, element):
+        return self._count(element, count=False) > 0
+
+    def count(self, element):
+        return self._count(element, count=True)
+
+    def __getitem__(self, key):
+        return self.children[key]
+
+    def __str__(self):
+        output = "<%s" % self.name
+        for key, value in self.attributes:
+            if value is not None:
+                output += ' %s="%s"' % (key, value)
+            else:
+                output += " %s" % key
+        if self.children:
+            output += ">\n"
+            output += "".join(
+                [
+                    html.escape(c) if isinstance(c, str) else str(c)
+                    for c in self.children
+                ]
+            )
+            output += "\n</%s>" % self.name
+        else:
+            output += ">"
+        return output
+
+    def __repr__(self):
+        return str(self)
+
+
+class RootElement(Element):
+    def __init__(self):
+        super().__init__(None, ())
+
+    def __str__(self):
+        return "".join(
+            [html.escape(c) if isinstance(c, str) else str(c) for c in self.children]
+        )
+
+
+class HTMLParseError(Exception):
+    pass
+
+
+class Parser(HTMLParser):
+    def __init__(self):
+        super().__init__()
+        self.root = RootElement()
+        self.open_tags = []
+        self.element_positions = {}
+
+    def error(self, msg):
+        raise HTMLParseError(msg, self.getpos())
+
+    def format_position(self, position=None, element=None):
+        if not position and element:
+            position = self.element_positions[element]
+        if position is None:
+            position = self.getpos()
+        if hasattr(position, "lineno"):
+            position = position.lineno, position.offset
+        return "Line %d, Column %d" % position
+
+    @property
+    def current(self):
+        if self.open_tags:
+            return self.open_tags[-1]
+        else:
+            return self.root
+
+    def handle_startendtag(self, tag, attrs):
+        self.handle_starttag(tag, attrs)
+        if tag not in VOID_ELEMENTS:
+            self.handle_endtag(tag)
+
+    def handle_starttag(self, tag, attrs):
+        attrs = normalize_attributes(attrs)
+        element = Element(tag, attrs)
+        self.current.append(element)
+        if tag not in VOID_ELEMENTS:
+            self.open_tags.append(element)
+        self.element_positions[element] = self.getpos()
+
+    def handle_endtag(self, tag):
+        if not self.open_tags:
+            self.error("Unexpected end tag `%s` (%s)" % (tag, self.format_position()))
+        element = self.open_tags.pop()
+        while element.name != tag:
+            if not self.open_tags:
+                self.error(
+                    "Unexpected end tag `%s` (%s)" % (tag, self.format_position())
+                )
+            element = self.open_tags.pop()
+
+    def handle_data(self, data):
+        self.current.append(data)
+
+
+def parse_html(html):
+    """
+    Take a string that contains HTML and turn it into a Python object structure
+    that can be easily compared against other HTML on semantic equivalence.
+    Syntactical differences like which quotation is used on arguments will be
+    ignored.
+    """
+    parser = Parser()
+    parser.feed(html)
+    parser.close()
+    document = parser.root
+    document.finalize()
+    # Removing ROOT element if it's not necessary
+    if len(document.children) == 1 and not isinstance(document.children[0], str):
+        document = document.children[0]
+    return document
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/runner.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/runner.py
new file mode 100644
index 00000000..8bb40a34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/runner.py
@@ -0,0 +1,1231 @@
+import argparse
+import ctypes
+import faulthandler
+import hashlib
+import io
+import itertools
+import logging
+import multiprocessing
+import os
+import pickle
+import random
+import sys
+import textwrap
+import unittest
+from collections import defaultdict
+from contextlib import contextmanager
+from importlib import import_module
+from io import StringIO
+
+import sqlparse
+
+import django
+from django.core.management import call_command
+from django.db import connections
+from django.test import SimpleTestCase, TestCase
+from django.test.utils import NullTimeKeeper, TimeKeeper, iter_test_cases
+from django.test.utils import setup_databases as _setup_databases
+from django.test.utils import setup_test_environment
+from django.test.utils import teardown_databases as _teardown_databases
+from django.test.utils import teardown_test_environment
+from django.utils.datastructures import OrderedSet
+from django.utils.version import PY312
+
+try:
+    import ipdb as pdb
+except ImportError:
+    import pdb
+
+try:
+    import tblib.pickling_support
+except ImportError:
+    tblib = None
+
+
+class DebugSQLTextTestResult(unittest.TextTestResult):
+    def __init__(self, stream, descriptions, verbosity):
+        self.logger = logging.getLogger("django.db.backends")
+        self.logger.setLevel(logging.DEBUG)
+        self.debug_sql_stream = None
+        super().__init__(stream, descriptions, verbosity)
+
+    def startTest(self, test):
+        self.debug_sql_stream = StringIO()
+        self.handler = logging.StreamHandler(self.debug_sql_stream)
+        self.logger.addHandler(self.handler)
+        super().startTest(test)
+
+    def stopTest(self, test):
+        super().stopTest(test)
+        self.logger.removeHandler(self.handler)
+        if self.showAll:
+            self.debug_sql_stream.seek(0)
+            self.stream.write(self.debug_sql_stream.read())
+            self.stream.writeln(self.separator2)
+
+    def addError(self, test, err):
+        super().addError(test, err)
+        if self.debug_sql_stream is None:
+            # Error before tests e.g. in setUpTestData().
+            sql = ""
+        else:
+            self.debug_sql_stream.seek(0)
+            sql = self.debug_sql_stream.read()
+        self.errors[-1] = self.errors[-1] + (sql,)
+
+    def addFailure(self, test, err):
+        super().addFailure(test, err)
+        self.debug_sql_stream.seek(0)
+        self.failures[-1] = self.failures[-1] + (self.debug_sql_stream.read(),)
+
+    def addSubTest(self, test, subtest, err):
+        super().addSubTest(test, subtest, err)
+        if err is not None:
+            self.debug_sql_stream.seek(0)
+            errors = (
+                self.failures
+                if issubclass(err[0], test.failureException)
+                else self.errors
+            )
+            errors[-1] = errors[-1] + (self.debug_sql_stream.read(),)
+
+    def printErrorList(self, flavour, errors):
+        for test, err, sql_debug in errors:
+            self.stream.writeln(self.separator1)
+            self.stream.writeln("%s: %s" % (flavour, self.getDescription(test)))
+            self.stream.writeln(self.separator2)
+            self.stream.writeln(err)
+            self.stream.writeln(self.separator2)
+            self.stream.writeln(
+                sqlparse.format(sql_debug, reindent=True, keyword_case="upper")
+            )
+
+
+class PDBDebugResult(unittest.TextTestResult):
+    """
+    Custom result class that triggers a PDB session when an error or failure
+    occurs.
+    """
+
+    def addError(self, test, err):
+        super().addError(test, err)
+        self.debug(err)
+
+    def addFailure(self, test, err):
+        super().addFailure(test, err)
+        self.debug(err)
+
+    def addSubTest(self, test, subtest, err):
+        if err is not None:
+            self.debug(err)
+        super().addSubTest(test, subtest, err)
+
+    def debug(self, error):
+        self._restoreStdout()
+        self.buffer = False
+        exc_type, exc_value, traceback = error
+        print("\nOpening PDB: %r" % exc_value)
+        pdb.post_mortem(traceback)
+
+
+class DummyList:
+    """
+    Dummy list class for faking storage of results in unittest.TestResult.
+    """
+
+    __slots__ = ()
+
+    def append(self, item):
+        pass
+
+
+class RemoteTestResult(unittest.TestResult):
+    """
+    Extend unittest.TestResult to record events in the child processes so they
+    can be replayed in the parent process. Events include things like which
+    tests succeeded or failed.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # Fake storage of results to reduce memory usage. These are used by the
+        # unittest default methods, but here 'events' is used instead.
+        dummy_list = DummyList()
+        self.failures = dummy_list
+        self.errors = dummy_list
+        self.skipped = dummy_list
+        self.expectedFailures = dummy_list
+        self.unexpectedSuccesses = dummy_list
+
+        if tblib is not None:
+            tblib.pickling_support.install()
+        self.events = []
+
+    def __getstate__(self):
+        # Make this class picklable by removing the file-like buffer
+        # attributes. This is possible since they aren't used after unpickling
+        # after being sent to ParallelTestSuite.
+        state = self.__dict__.copy()
+        state.pop("_stdout_buffer", None)
+        state.pop("_stderr_buffer", None)
+        state.pop("_original_stdout", None)
+        state.pop("_original_stderr", None)
+        return state
+
+    @property
+    def test_index(self):
+        return self.testsRun - 1
+
+    def _confirm_picklable(self, obj):
+        """
+        Confirm that obj can be pickled and unpickled as multiprocessing will
+        need to pickle the exception in the child process and unpickle it in
+        the parent process. Let the exception rise, if not.
+        """
+        pickle.loads(pickle.dumps(obj))
+
+    def _print_unpicklable_subtest(self, test, subtest, pickle_exc):
+        print(
+            """
+Subtest failed:
+
+    test: {}
+ subtest: {}
+
+Unfortunately, the subtest that failed cannot be pickled, so the parallel
+test runner cannot handle it cleanly. Here is the pickling error:
+
+> {}
+
+You should re-run this test with --parallel=1 to reproduce the failure
+with a cleaner failure message.
+""".format(
+                test, subtest, pickle_exc
+            )
+        )
+
+    def check_picklable(self, test, err):
+        # Ensure that sys.exc_info() tuples are picklable. This displays a
+        # clear multiprocessing.pool.RemoteTraceback generated in the child
+        # process instead of a multiprocessing.pool.MaybeEncodingError, making
+        # the root cause easier to figure out for users who aren't familiar
+        # with the multiprocessing module. Since we're in a forked process,
+        # our best chance to communicate with them is to print to stdout.
+        try:
+            self._confirm_picklable(err)
+        except Exception as exc:
+            original_exc_txt = repr(err[1])
+            original_exc_txt = textwrap.fill(
+                original_exc_txt, 75, initial_indent="    ", subsequent_indent="    "
+            )
+            pickle_exc_txt = repr(exc)
+            pickle_exc_txt = textwrap.fill(
+                pickle_exc_txt, 75, initial_indent="    ", subsequent_indent="    "
+            )
+            if tblib is None:
+                print(
+                    """
+
+{} failed:
+
+{}
+
+Unfortunately, tracebacks cannot be pickled, making it impossible for the
+parallel test runner to handle this exception cleanly.
+
+In order to see the traceback, you should install tblib:
+
+    python -m pip install tblib
+""".format(
+                        test, original_exc_txt
+                    )
+                )
+            else:
+                print(
+                    """
+
+{} failed:
+
+{}
+
+Unfortunately, the exception it raised cannot be pickled, making it impossible
+for the parallel test runner to handle it cleanly.
+
+Here's the error encountered while trying to pickle the exception:
+
+{}
+
+You should re-run this test with the --parallel=1 option to reproduce the
+failure and get a correct traceback.
+""".format(
+                        test, original_exc_txt, pickle_exc_txt
+                    )
+                )
+            raise
+
+    def check_subtest_picklable(self, test, subtest):
+        try:
+            self._confirm_picklable(subtest)
+        except Exception as exc:
+            self._print_unpicklable_subtest(test, subtest, exc)
+            raise
+
+    def startTestRun(self):
+        super().startTestRun()
+        self.events.append(("startTestRun",))
+
+    def stopTestRun(self):
+        super().stopTestRun()
+        self.events.append(("stopTestRun",))
+
+    def startTest(self, test):
+        super().startTest(test)
+        self.events.append(("startTest", self.test_index))
+
+    def stopTest(self, test):
+        super().stopTest(test)
+        self.events.append(("stopTest", self.test_index))
+
+    def addDuration(self, test, elapsed):
+        super().addDuration(test, elapsed)
+        self.events.append(("addDuration", self.test_index, elapsed))
+
+    def addError(self, test, err):
+        self.check_picklable(test, err)
+        self.events.append(("addError", self.test_index, err))
+        super().addError(test, err)
+
+    def addFailure(self, test, err):
+        self.check_picklable(test, err)
+        self.events.append(("addFailure", self.test_index, err))
+        super().addFailure(test, err)
+
+    def addSubTest(self, test, subtest, err):
+        # Follow Python's implementation of unittest.TestResult.addSubTest() by
+        # not doing anything when a subtest is successful.
+        if err is not None:
+            # Call check_picklable() before check_subtest_picklable() since
+            # check_picklable() performs the tblib check.
+            self.check_picklable(test, err)
+            self.check_subtest_picklable(test, subtest)
+            self.events.append(("addSubTest", self.test_index, subtest, err))
+        super().addSubTest(test, subtest, err)
+
+    def addSuccess(self, test):
+        self.events.append(("addSuccess", self.test_index))
+        super().addSuccess(test)
+
+    def addSkip(self, test, reason):
+        self.events.append(("addSkip", self.test_index, reason))
+        super().addSkip(test, reason)
+
+    def addExpectedFailure(self, test, err):
+        # If tblib isn't installed, pickling the traceback will always fail.
+        # However we don't want tblib to be required for running the tests
+        # when they pass or fail as expected. Drop the traceback when an
+        # expected failure occurs.
+        if tblib is None:
+            err = err[0], err[1], None
+        self.check_picklable(test, err)
+        self.events.append(("addExpectedFailure", self.test_index, err))
+        super().addExpectedFailure(test, err)
+
+    def addUnexpectedSuccess(self, test):
+        self.events.append(("addUnexpectedSuccess", self.test_index))
+        super().addUnexpectedSuccess(test)
+
+    def wasSuccessful(self):
+        """Tells whether or not this result was a success."""
+        failure_types = {"addError", "addFailure", "addSubTest", "addUnexpectedSuccess"}
+        return all(e[0] not in failure_types for e in self.events)
+
+    def _exc_info_to_string(self, err, test):
+        # Make this method no-op. It only powers the default unittest behavior
+        # for recording errors, but this class pickles errors into 'events'
+        # instead.
+        return ""
+
+
+class RemoteTestRunner:
+    """
+    Run tests and record everything but don't display anything.
+
+    The implementation matches the unpythonic coding style of unittest2.
+    """
+
+    resultclass = RemoteTestResult
+
+    def __init__(self, failfast=False, resultclass=None, buffer=False):
+        self.failfast = failfast
+        self.buffer = buffer
+        if resultclass is not None:
+            self.resultclass = resultclass
+
+    def run(self, test):
+        result = self.resultclass()
+        unittest.registerResult(result)
+        result.failfast = self.failfast
+        result.buffer = self.buffer
+        test(result)
+        return result
+
+
+def get_max_test_processes():
+    """
+    The maximum number of test processes when using the --parallel option.
+    """
+    # The current implementation of the parallel test runner requires
+    # multiprocessing to start subprocesses with fork() or spawn().
+    if multiprocessing.get_start_method() not in {"fork", "spawn"}:
+        return 1
+    try:
+        return int(os.environ["DJANGO_TEST_PROCESSES"])
+    except KeyError:
+        return multiprocessing.cpu_count()
+
+
+def parallel_type(value):
+    """Parse value passed to the --parallel option."""
+    if value == "auto":
+        return value
+    try:
+        return int(value)
+    except ValueError:
+        raise argparse.ArgumentTypeError(
+            f"{value!r} is not an integer or the string 'auto'"
+        )
+
+
+_worker_id = 0
+
+
+def _init_worker(
+    counter,
+    initial_settings=None,
+    serialized_contents=None,
+    process_setup=None,
+    process_setup_args=None,
+    debug_mode=None,
+    used_aliases=None,
+):
+    """
+    Switch to databases dedicated to this worker.
+
+    This helper lives at module-level because of the multiprocessing module's
+    requirements.
+    """
+
+    global _worker_id
+
+    with counter.get_lock():
+        counter.value += 1
+        _worker_id = counter.value
+
+    start_method = multiprocessing.get_start_method()
+
+    if start_method == "spawn":
+        if process_setup and callable(process_setup):
+            if process_setup_args is None:
+                process_setup_args = ()
+            process_setup(*process_setup_args)
+        django.setup()
+        setup_test_environment(debug=debug_mode)
+
+    db_aliases = used_aliases if used_aliases is not None else connections
+    for alias in db_aliases:
+        connection = connections[alias]
+        if start_method == "spawn":
+            # Restore initial settings in spawned processes.
+            connection.settings_dict.update(initial_settings[alias])
+            if value := serialized_contents.get(alias):
+                connection._test_serialized_contents = value
+        connection.creation.setup_worker_connection(_worker_id)
+
+
+def _run_subsuite(args):
+    """
+    Run a suite of tests with a RemoteTestRunner and return a RemoteTestResult.
+
+    This helper lives at module-level and its arguments are wrapped in a tuple
+    because of the multiprocessing module's requirements.
+    """
+    runner_class, subsuite_index, subsuite, failfast, buffer = args
+    runner = runner_class(failfast=failfast, buffer=buffer)
+    result = runner.run(subsuite)
+    return subsuite_index, result.events
+
+
+def _process_setup_stub(*args):
+    """Stub method to simplify run() implementation."""
+    pass
+
+
+class ParallelTestSuite(unittest.TestSuite):
+    """
+    Run a series of tests in parallel in several processes.
+
+    While the unittest module's documentation implies that orchestrating the
+    execution of tests is the responsibility of the test runner, in practice,
+    it appears that TestRunner classes are more concerned with formatting and
+    displaying test results.
+
+    Since there are fewer use cases for customizing TestSuite than TestRunner,
+    implementing parallelization at the level of the TestSuite improves
+    interoperability with existing custom test runners. A single instance of a
+    test runner can still collect results from all tests without being aware
+    that they have been run in parallel.
+    """
+
+    # In case someone wants to modify these in a subclass.
+    init_worker = _init_worker
+    process_setup = _process_setup_stub
+    process_setup_args = ()
+    run_subsuite = _run_subsuite
+    runner_class = RemoteTestRunner
+
+    def __init__(
+        self, subsuites, processes, failfast=False, debug_mode=False, buffer=False
+    ):
+        self.subsuites = subsuites
+        self.processes = processes
+        self.failfast = failfast
+        self.debug_mode = debug_mode
+        self.buffer = buffer
+        self.initial_settings = None
+        self.serialized_contents = None
+        self.used_aliases = None
+        super().__init__()
+
+    def run(self, result):
+        """
+        Distribute TestCases across workers.
+
+        Return an identifier of each TestCase with its result in order to use
+        imap_unordered to show results as soon as they're available.
+
+        To minimize pickling errors when getting results from workers:
+
+        - pass back numeric indexes in self.subsuites instead of tests
+        - make tracebacks picklable with tblib, if available
+
+        Even with tblib, errors may still occur for dynamically created
+        exception classes which cannot be unpickled.
+        """
+        self.initialize_suite()
+        counter = multiprocessing.Value(ctypes.c_int, 0)
+        pool = multiprocessing.Pool(
+            processes=self.processes,
+            initializer=self.init_worker.__func__,
+            initargs=[
+                counter,
+                self.initial_settings,
+                self.serialized_contents,
+                self.process_setup.__func__,
+                self.process_setup_args,
+                self.debug_mode,
+                self.used_aliases,
+            ],
+        )
+        args = [
+            (self.runner_class, index, subsuite, self.failfast, self.buffer)
+            for index, subsuite in enumerate(self.subsuites)
+        ]
+        test_results = pool.imap_unordered(self.run_subsuite.__func__, args)
+
+        while True:
+            if result.shouldStop:
+                pool.terminate()
+                break
+
+            try:
+                subsuite_index, events = test_results.next(timeout=0.1)
+            except multiprocessing.TimeoutError:
+                continue
+            except StopIteration:
+                pool.close()
+                break
+
+            tests = list(self.subsuites[subsuite_index])
+            for event in events:
+                event_name = event[0]
+                handler = getattr(result, event_name, None)
+                if handler is None:
+                    continue
+                test = tests[event[1]]
+                args = event[2:]
+                handler(test, *args)
+
+        pool.join()
+
+        return result
+
+    def __iter__(self):
+        return iter(self.subsuites)
+
+    def initialize_suite(self):
+        if multiprocessing.get_start_method() == "spawn":
+            self.initial_settings = {
+                alias: connections[alias].settings_dict for alias in connections
+            }
+            self.serialized_contents = {
+                alias: connections[alias]._test_serialized_contents
+                for alias in connections
+                if alias in self.serialized_aliases
+            }
+
+
+class Shuffler:
+    """
+    This class implements shuffling with a special consistency property.
+    Consistency means that, for a given seed and key function, if two sets of
+    items are shuffled, the resulting order will agree on the intersection of
+    the two sets. For example, if items are removed from an original set, the
+    shuffled order for the new set will be the shuffled order of the original
+    set restricted to the smaller set.
+    """
+
+    # This doesn't need to be cryptographically strong, so use what's fastest.
+    hash_algorithm = "md5"
+
+    @classmethod
+    def _hash_text(cls, text):
+        h = hashlib.new(cls.hash_algorithm, usedforsecurity=False)
+        h.update(text.encode("utf-8"))
+        return h.hexdigest()
+
+    def __init__(self, seed=None):
+        if seed is None:
+            # Limit seeds to 10 digits for simpler output.
+            seed = random.randint(0, 10**10 - 1)
+            seed_source = "generated"
+        else:
+            seed_source = "given"
+        self.seed = seed
+        self.seed_source = seed_source
+
+    @property
+    def seed_display(self):
+        return f"{self.seed!r} ({self.seed_source})"
+
+    def _hash_item(self, item, key):
+        text = "{}{}".format(self.seed, key(item))
+        return self._hash_text(text)
+
+    def shuffle(self, items, key):
+        """
+        Return a new list of the items in a shuffled order.
+
+        The `key` is a function that accepts an item in `items` and returns
+        a string unique for that item that can be viewed as a string id. The
+        order of the return value is deterministic. It depends on the seed
+        and key function but not on the original order.
+        """
+        hashes = {}
+        for item in items:
+            hashed = self._hash_item(item, key)
+            if hashed in hashes:
+                msg = "item {!r} has same hash {!r} as item {!r}".format(
+                    item,
+                    hashed,
+                    hashes[hashed],
+                )
+                raise RuntimeError(msg)
+            hashes[hashed] = item
+        return [hashes[hashed] for hashed in sorted(hashes)]
+
+
+class DiscoverRunner:
+    """A Django test runner that uses unittest2 test discovery."""
+
+    test_suite = unittest.TestSuite
+    parallel_test_suite = ParallelTestSuite
+    test_runner = unittest.TextTestRunner
+    test_loader = unittest.defaultTestLoader
+    reorder_by = (TestCase, SimpleTestCase)
+
+    def __init__(
+        self,
+        pattern=None,
+        top_level=None,
+        verbosity=1,
+        interactive=True,
+        failfast=False,
+        keepdb=False,
+        reverse=False,
+        debug_mode=False,
+        debug_sql=False,
+        parallel=0,
+        tags=None,
+        exclude_tags=None,
+        test_name_patterns=None,
+        pdb=False,
+        buffer=False,
+        enable_faulthandler=True,
+        timing=False,
+        shuffle=False,
+        logger=None,
+        durations=None,
+        **kwargs,
+    ):
+        self.pattern = pattern
+        self.top_level = top_level
+        self.verbosity = verbosity
+        self.interactive = interactive
+        self.failfast = failfast
+        self.keepdb = keepdb
+        self.reverse = reverse
+        self.debug_mode = debug_mode
+        self.debug_sql = debug_sql
+        self.parallel = parallel
+        self.tags = set(tags or [])
+        self.exclude_tags = set(exclude_tags or [])
+        if not faulthandler.is_enabled() and enable_faulthandler:
+            try:
+                faulthandler.enable(file=sys.stderr.fileno())
+            except (AttributeError, io.UnsupportedOperation):
+                faulthandler.enable(file=sys.__stderr__.fileno())
+        self.pdb = pdb
+        if self.pdb and self.parallel > 1:
+            raise ValueError(
+                "You cannot use --pdb with parallel tests; pass --parallel=1 to use it."
+            )
+        self.buffer = buffer
+        self.test_name_patterns = None
+        self.time_keeper = TimeKeeper() if timing else NullTimeKeeper()
+        if test_name_patterns:
+            # unittest does not export the _convert_select_pattern function
+            # that converts command-line arguments to patterns.
+            self.test_name_patterns = {
+                pattern if "*" in pattern else "*%s*" % pattern
+                for pattern in test_name_patterns
+            }
+        self.shuffle = shuffle
+        self._shuffler = None
+        self.logger = logger
+        self.durations = durations
+
+    @classmethod
+    def add_arguments(cls, parser):
+        parser.add_argument(
+            "-t",
+            "--top-level-directory",
+            dest="top_level",
+            help="Top level of project for unittest discovery.",
+        )
+        parser.add_argument(
+            "-p",
+            "--pattern",
+            default="test*.py",
+            help="The test matching pattern. Defaults to test*.py.",
+        )
+        parser.add_argument(
+            "--keepdb", action="store_true", help="Preserves the test DB between runs."
+        )
+        parser.add_argument(
+            "--shuffle",
+            nargs="?",
+            default=False,
+            type=int,
+            metavar="SEED",
+            help="Shuffles test case order.",
+        )
+        parser.add_argument(
+            "-r",
+            "--reverse",
+            action="store_true",
+            help="Reverses test case order.",
+        )
+        parser.add_argument(
+            "--debug-mode",
+            action="store_true",
+            help="Sets settings.DEBUG to True.",
+        )
+        parser.add_argument(
+            "-d",
+            "--debug-sql",
+            action="store_true",
+            help="Prints logged SQL queries on failure.",
+        )
+        parser.add_argument(
+            "--parallel",
+            nargs="?",
+            const="auto",
+            default=0,
+            type=parallel_type,
+            metavar="N",
+            help=(
+                "Run tests using up to N parallel processes. Use the value "
+                '"auto" to run one test process for each processor core.'
+            ),
+        )
+        parser.add_argument(
+            "--tag",
+            action="append",
+            dest="tags",
+            help="Run only tests with the specified tag. Can be used multiple times.",
+        )
+        parser.add_argument(
+            "--exclude-tag",
+            action="append",
+            dest="exclude_tags",
+            help="Do not run tests with the specified tag. Can be used multiple times.",
+        )
+        parser.add_argument(
+            "--pdb",
+            action="store_true",
+            help="Runs a debugger (pdb, or ipdb if installed) on error or failure.",
+        )
+        parser.add_argument(
+            "-b",
+            "--buffer",
+            action="store_true",
+            help="Discard output from passing tests.",
+        )
+        parser.add_argument(
+            "--no-faulthandler",
+            action="store_false",
+            dest="enable_faulthandler",
+            help="Disables the Python faulthandler module during tests.",
+        )
+        parser.add_argument(
+            "--timing",
+            action="store_true",
+            help=("Output timings, including database set up and total run time."),
+        )
+        parser.add_argument(
+            "-k",
+            action="append",
+            dest="test_name_patterns",
+            help=(
+                "Only run test methods and classes that match the pattern "
+                "or substring. Can be used multiple times. Same as "
+                "unittest -k option."
+            ),
+        )
+        if PY312:
+            parser.add_argument(
+                "--durations",
+                dest="durations",
+                type=int,
+                default=None,
+                metavar="N",
+                help="Show the N slowest test cases (N=0 for all).",
+            )
+
+    @property
+    def shuffle_seed(self):
+        if self._shuffler is None:
+            return None
+        return self._shuffler.seed
+
+    def log(self, msg, level=None):
+        """
+        Log the message at the given logging level (the default is INFO).
+
+        If a logger isn't set, the message is instead printed to the console,
+        respecting the configured verbosity. A verbosity of 0 prints no output,
+        a verbosity of 1 prints INFO and above, and a verbosity of 2 or higher
+        prints all levels.
+        """
+        if level is None:
+            level = logging.INFO
+        if self.logger is None:
+            if self.verbosity <= 0 or (self.verbosity == 1 and level < logging.INFO):
+                return
+            print(msg)
+        else:
+            self.logger.log(level, msg)
+
+    def setup_test_environment(self, **kwargs):
+        setup_test_environment(debug=self.debug_mode)
+        unittest.installHandler()
+
+    def setup_shuffler(self):
+        if self.shuffle is False:
+            return
+        shuffler = Shuffler(seed=self.shuffle)
+        self.log(f"Using shuffle seed: {shuffler.seed_display}")
+        self._shuffler = shuffler
+
+    @contextmanager
+    def load_with_patterns(self):
+        original_test_name_patterns = self.test_loader.testNamePatterns
+        self.test_loader.testNamePatterns = self.test_name_patterns
+        try:
+            yield
+        finally:
+            # Restore the original patterns.
+            self.test_loader.testNamePatterns = original_test_name_patterns
+
+    def load_tests_for_label(self, label, discover_kwargs):
+        label_as_path = os.path.abspath(label)
+        tests = None
+
+        # If a module, or "module.ClassName[.method_name]", just run those.
+        if not os.path.exists(label_as_path):
+            with self.load_with_patterns():
+                tests = self.test_loader.loadTestsFromName(label)
+            if tests.countTestCases():
+                return tests
+        # Try discovery if "label" is a package or directory.
+        is_importable, is_package = try_importing(label)
+        if is_importable:
+            if not is_package:
+                return tests
+        elif not os.path.isdir(label_as_path):
+            if os.path.exists(label_as_path):
+                assert tests is None
+                raise RuntimeError(
+                    f"One of the test labels is a path to a file: {label!r}, "
+                    f"which is not supported. Use a dotted module name or "
+                    f"path to a directory instead."
+                )
+            return tests
+
+        kwargs = discover_kwargs.copy()
+        if os.path.isdir(label_as_path) and not self.top_level:
+            kwargs["top_level_dir"] = find_top_level(label_as_path)
+
+        with self.load_with_patterns():
+            tests = self.test_loader.discover(start_dir=label, **kwargs)
+
+        # Make unittest forget the top-level dir it calculated from this run,
+        # to support running tests from two different top-levels.
+        self.test_loader._top_level_dir = None
+        return tests
+
+    def build_suite(self, test_labels=None, **kwargs):
+        test_labels = test_labels or ["."]
+
+        discover_kwargs = {}
+        if self.pattern is not None:
+            discover_kwargs["pattern"] = self.pattern
+        if self.top_level is not None:
+            discover_kwargs["top_level_dir"] = self.top_level
+        self.setup_shuffler()
+
+        all_tests = []
+        for label in test_labels:
+            tests = self.load_tests_for_label(label, discover_kwargs)
+            all_tests.extend(iter_test_cases(tests))
+
+        if self.tags or self.exclude_tags:
+            if self.tags:
+                self.log(
+                    "Including test tag(s): %s." % ", ".join(sorted(self.tags)),
+                    level=logging.DEBUG,
+                )
+            if self.exclude_tags:
+                self.log(
+                    "Excluding test tag(s): %s." % ", ".join(sorted(self.exclude_tags)),
+                    level=logging.DEBUG,
+                )
+            all_tests = filter_tests_by_tags(all_tests, self.tags, self.exclude_tags)
+
+        # Put the failures detected at load time first for quicker feedback.
+        # _FailedTest objects include things like test modules that couldn't be
+        # found or that couldn't be loaded due to syntax errors.
+        test_types = (unittest.loader._FailedTest, *self.reorder_by)
+        all_tests = list(
+            reorder_tests(
+                all_tests,
+                test_types,
+                shuffler=self._shuffler,
+                reverse=self.reverse,
+            )
+        )
+        self.log("Found %d test(s)." % len(all_tests))
+        suite = self.test_suite(all_tests)
+
+        if self.parallel > 1:
+            subsuites = partition_suite_by_case(suite)
+            # Since tests are distributed across processes on a per-TestCase
+            # basis, there's no need for more processes than TestCases.
+            processes = min(self.parallel, len(subsuites))
+            # Update also "parallel" because it's used to determine the number
+            # of test databases.
+            self.parallel = processes
+            if processes > 1:
+                suite = self.parallel_test_suite(
+                    subsuites,
+                    processes,
+                    self.failfast,
+                    self.debug_mode,
+                    self.buffer,
+                )
+        return suite
+
+    def setup_databases(self, **kwargs):
+        return _setup_databases(
+            self.verbosity,
+            self.interactive,
+            time_keeper=self.time_keeper,
+            keepdb=self.keepdb,
+            debug_sql=self.debug_sql,
+            parallel=self.parallel,
+            **kwargs,
+        )
+
+    def get_resultclass(self):
+        if self.debug_sql:
+            return DebugSQLTextTestResult
+        elif self.pdb:
+            return PDBDebugResult
+
+    def get_test_runner_kwargs(self):
+        kwargs = {
+            "failfast": self.failfast,
+            "resultclass": self.get_resultclass(),
+            "verbosity": self.verbosity,
+            "buffer": self.buffer,
+        }
+        if PY312:
+            kwargs["durations"] = self.durations
+        return kwargs
+
+    def run_checks(self, databases):
+        # Checks are run after database creation since some checks require
+        # database access.
+        call_command("check", verbosity=self.verbosity, databases=databases)
+
+    def run_suite(self, suite, **kwargs):
+        kwargs = self.get_test_runner_kwargs()
+        runner = self.test_runner(**kwargs)
+        try:
+            return runner.run(suite)
+        finally:
+            if self._shuffler is not None:
+                seed_display = self._shuffler.seed_display
+                self.log(f"Used shuffle seed: {seed_display}")
+
+    def teardown_databases(self, old_config, **kwargs):
+        """Destroy all the non-mirror databases."""
+        _teardown_databases(
+            old_config,
+            verbosity=self.verbosity,
+            parallel=self.parallel,
+            keepdb=self.keepdb,
+        )
+
+    def teardown_test_environment(self, **kwargs):
+        unittest.removeHandler()
+        teardown_test_environment()
+
+    def suite_result(self, suite, result, **kwargs):
+        return (
+            len(result.failures) + len(result.errors) + len(result.unexpectedSuccesses)
+        )
+
+    def _get_databases(self, suite):
+        databases = {}
+        for test in iter_test_cases(suite):
+            test_databases = getattr(test, "databases", None)
+            if test_databases == "__all__":
+                test_databases = connections
+            if test_databases:
+                serialized_rollback = getattr(test, "serialized_rollback", False)
+                databases.update(
+                    (alias, serialized_rollback or databases.get(alias, False))
+                    for alias in test_databases
+                )
+        return databases
+
+    def get_databases(self, suite):
+        databases = self._get_databases(suite)
+        unused_databases = [alias for alias in connections if alias not in databases]
+        if unused_databases:
+            self.log(
+                "Skipping setup of unused database(s): %s."
+                % ", ".join(sorted(unused_databases)),
+                level=logging.DEBUG,
+            )
+        return databases
+
+    def run_tests(self, test_labels, **kwargs):
+        """
+        Run the unit tests for all the test labels in the provided list.
+
+        Test labels should be dotted Python paths to test modules, test
+        classes, or test methods.
+
+        Return the number of tests that failed.
+        """
+        self.setup_test_environment()
+        suite = self.build_suite(test_labels)
+        databases = self.get_databases(suite)
+        suite.serialized_aliases = set(
+            alias for alias, serialize in databases.items() if serialize
+        )
+        suite.used_aliases = set(databases)
+        with self.time_keeper.timed("Total database setup"):
+            old_config = self.setup_databases(
+                aliases=databases,
+                serialized_aliases=suite.serialized_aliases,
+            )
+        run_failed = False
+        try:
+            self.run_checks(databases)
+            result = self.run_suite(suite)
+        except Exception:
+            run_failed = True
+            raise
+        finally:
+            try:
+                with self.time_keeper.timed("Total database teardown"):
+                    self.teardown_databases(old_config)
+                self.teardown_test_environment()
+            except Exception:
+                # Silence teardown exceptions if an exception was raised during
+                # runs to avoid shadowing it.
+                if not run_failed:
+                    raise
+        self.time_keeper.print_results()
+        return self.suite_result(suite, result)
+
+
+def try_importing(label):
+    """
+    Try importing a test label, and return (is_importable, is_package).
+
+    Relative labels like "." and ".." are seen as directories.
+    """
+    try:
+        mod = import_module(label)
+    except (ImportError, TypeError):
+        return (False, False)
+
+    return (True, hasattr(mod, "__path__"))
+
+
+def find_top_level(top_level):
+    # Try to be a bit smarter than unittest about finding the default top-level
+    # for a given directory path, to avoid breaking relative imports.
+    # (Unittest's default is to set top-level equal to the path, which means
+    # relative imports will result in "Attempted relative import in
+    # non-package.").
+
+    # We'd be happy to skip this and require dotted module paths (which don't
+    # cause this problem) instead of file paths (which do), but in the case of
+    # a directory in the cwd, which would be equally valid if considered as a
+    # top-level module or as a directory path, unittest unfortunately prefers
+    # the latter.
+    while True:
+        init_py = os.path.join(top_level, "__init__.py")
+        if not os.path.exists(init_py):
+            break
+        try_next = os.path.dirname(top_level)
+        if try_next == top_level:
+            # __init__.py all the way down? give up.
+            break
+        top_level = try_next
+    return top_level
+
+
+def _class_shuffle_key(cls):
+    return f"{cls.__module__}.{cls.__qualname__}"
+
+
+def shuffle_tests(tests, shuffler):
+    """
+    Return an iterator over the given tests in a shuffled order, keeping tests
+    next to other tests of their class.
+
+    `tests` should be an iterable of tests.
+    """
+    tests_by_type = {}
+    for _, class_tests in itertools.groupby(tests, type):
+        class_tests = list(class_tests)
+        test_type = type(class_tests[0])
+        class_tests = shuffler.shuffle(class_tests, key=lambda test: test.id())
+        tests_by_type[test_type] = class_tests
+
+    classes = shuffler.shuffle(tests_by_type, key=_class_shuffle_key)
+
+    return itertools.chain(*(tests_by_type[cls] for cls in classes))
+
+
+def reorder_test_bin(tests, shuffler=None, reverse=False):
+    """
+    Return an iterator that reorders the given tests, keeping tests next to
+    other tests of their class.
+
+    `tests` should be an iterable of tests that supports reversed().
+    """
+    if shuffler is None:
+        if reverse:
+            return reversed(tests)
+        # The function must return an iterator.
+        return iter(tests)
+
+    tests = shuffle_tests(tests, shuffler)
+    if not reverse:
+        return tests
+    # Arguments to reversed() must be reversible.
+    return reversed(list(tests))
+
+
+def reorder_tests(tests, classes, reverse=False, shuffler=None):
+    """
+    Reorder an iterable of tests, grouping by the given TestCase classes.
+
+    This function also removes any duplicates and reorders so that tests of the
+    same type are consecutive.
+
+    The result is returned as an iterator. `classes` is a sequence of types.
+    Tests that are instances of `classes[0]` are grouped first, followed by
+    instances of `classes[1]`, etc. Tests that are not instances of any of the
+    classes are grouped last.
+
+    If `reverse` is True, the tests within each `classes` group are reversed,
+    but without reversing the order of `classes` itself.
+
+    The `shuffler` argument is an optional instance of this module's `Shuffler`
+    class. If provided, tests will be shuffled within each `classes` group, but
+    keeping tests with other tests of their TestCase class. Reversing is
+    applied after shuffling to allow reversing the same random order.
+    """
+    # Each bin maps TestCase class to OrderedSet of tests. This permits tests
+    # to be grouped by TestCase class even if provided non-consecutively.
+    bins = [defaultdict(OrderedSet) for i in range(len(classes) + 1)]
+    *class_bins, last_bin = bins
+
+    for test in tests:
+        for test_bin, test_class in zip(class_bins, classes):
+            if isinstance(test, test_class):
+                break
+        else:
+            test_bin = last_bin
+        test_bin[type(test)].add(test)
+
+    for test_bin in bins:
+        # Call list() since reorder_test_bin()'s input must support reversed().
+        tests = list(itertools.chain.from_iterable(test_bin.values()))
+        yield from reorder_test_bin(tests, shuffler=shuffler, reverse=reverse)
+
+
+def partition_suite_by_case(suite):
+    """Partition a test suite by TestCase, preserving the order of tests."""
+    suite_class = type(suite)
+    all_tests = iter_test_cases(suite)
+    return [suite_class(tests) for _, tests in itertools.groupby(all_tests, type)]
+
+
+def test_match_tags(test, tags, exclude_tags):
+    if isinstance(test, unittest.loader._FailedTest):
+        # Tests that couldn't load always match to prevent tests from falsely
+        # passing due e.g. to syntax errors.
+        return True
+    test_tags = set(getattr(test, "tags", []))
+    test_fn_name = getattr(test, "_testMethodName", str(test))
+    if hasattr(test, test_fn_name):
+        test_fn = getattr(test, test_fn_name)
+        test_fn_tags = list(getattr(test_fn, "tags", []))
+        test_tags = test_tags.union(test_fn_tags)
+    if tags and test_tags.isdisjoint(tags):
+        return False
+    return test_tags.isdisjoint(exclude_tags)
+
+
+def filter_tests_by_tags(tests, tags, exclude_tags):
+    """Return the matching tests as an iterator."""
+    return (test for test in tests if test_match_tags(test, tags, exclude_tags))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/selenium.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/selenium.py
new file mode 100644
index 00000000..9dc806de
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/selenium.py
@@ -0,0 +1,136 @@
+import sys
+import unittest
+from contextlib import contextmanager
+
+from django.test import LiveServerTestCase, tag
+from django.utils.functional import classproperty
+from django.utils.module_loading import import_string
+from django.utils.text import capfirst
+
+
+class SeleniumTestCaseBase(type(LiveServerTestCase)):
+    # List of browsers to dynamically create test classes for.
+    browsers = []
+    # A selenium hub URL to test against.
+    selenium_hub = None
+    # The external host Selenium Hub can reach.
+    external_host = None
+    # Sentinel value to differentiate browser-specific instances.
+    browser = None
+    # Run browsers in headless mode.
+    headless = False
+
+    def __new__(cls, name, bases, attrs):
+        """
+        Dynamically create new classes and add them to the test module when
+        multiple browsers specs are provided (e.g. --selenium=firefox,chrome).
+        """
+        test_class = super().__new__(cls, name, bases, attrs)
+        # If the test class is either browser-specific or a test base, return it.
+        if test_class.browser or not any(
+            name.startswith("test") and callable(value) for name, value in attrs.items()
+        ):
+            return test_class
+        elif test_class.browsers:
+            # Reuse the created test class to make it browser-specific.
+            # We can't rename it to include the browser name or create a
+            # subclass like we do with the remaining browsers as it would
+            # either duplicate tests or prevent pickling of its instances.
+            first_browser = test_class.browsers[0]
+            test_class.browser = first_browser
+            # Listen on an external interface if using a selenium hub.
+            host = test_class.host if not test_class.selenium_hub else "0.0.0.0"
+            test_class.host = host
+            test_class.external_host = cls.external_host
+            # Create subclasses for each of the remaining browsers and expose
+            # them through the test's module namespace.
+            module = sys.modules[test_class.__module__]
+            for browser in test_class.browsers[1:]:
+                browser_test_class = cls.__new__(
+                    cls,
+                    "%s%s" % (capfirst(browser), name),
+                    (test_class,),
+                    {
+                        "browser": browser,
+                        "host": host,
+                        "external_host": cls.external_host,
+                        "__module__": test_class.__module__,
+                    },
+                )
+                setattr(module, browser_test_class.__name__, browser_test_class)
+            return test_class
+        # If no browsers were specified, skip this class (it'll still be discovered).
+        return unittest.skip("No browsers specified.")(test_class)
+
+    @classmethod
+    def import_webdriver(cls, browser):
+        return import_string("selenium.webdriver.%s.webdriver.WebDriver" % browser)
+
+    @classmethod
+    def import_options(cls, browser):
+        return import_string("selenium.webdriver.%s.options.Options" % browser)
+
+    @classmethod
+    def get_capability(cls, browser):
+        from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
+
+        return getattr(DesiredCapabilities, browser.upper())
+
+    def create_options(self):
+        options = self.import_options(self.browser)()
+        if self.headless:
+            match self.browser:
+                case "chrome":
+                    options.add_argument("--headless=new")
+                case "firefox":
+                    options.add_argument("-headless")
+        return options
+
+    def create_webdriver(self):
+        options = self.create_options()
+        if self.selenium_hub:
+            from selenium import webdriver
+
+            for key, value in self.get_capability(self.browser).items():
+                options.set_capability(key, value)
+
+            return webdriver.Remote(command_executor=self.selenium_hub, options=options)
+        return self.import_webdriver(self.browser)(options=options)
+
+
+@tag("selenium")
+class SeleniumTestCase(LiveServerTestCase, metaclass=SeleniumTestCaseBase):
+    implicit_wait = 10
+    external_host = None
+
+    @classproperty
+    def live_server_url(cls):
+        return "http://%s:%s" % (cls.external_host or cls.host, cls.server_thread.port)
+
+    @classproperty
+    def allowed_host(cls):
+        return cls.external_host or cls.host
+
+    @classmethod
+    def setUpClass(cls):
+        cls.selenium = cls.create_webdriver()
+        cls.selenium.implicitly_wait(cls.implicit_wait)
+        super().setUpClass()
+        cls.addClassCleanup(cls._quit_selenium)
+
+    @classmethod
+    def _quit_selenium(cls):
+        # quit() the WebDriver before attempting to terminate and join the
+        # single-threaded LiveServerThread to avoid a dead lock if the browser
+        # kept a connection alive.
+        if hasattr(cls, "selenium"):
+            cls.selenium.quit()
+
+    @contextmanager
+    def disable_implicit_wait(self):
+        """Disable the default implicit wait."""
+        self.selenium.implicitly_wait(0)
+        try:
+            yield
+        finally:
+            self.selenium.implicitly_wait(self.implicit_wait)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/signals.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/signals.py
new file mode 100644
index 00000000..c16f4aa5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/signals.py
@@ -0,0 +1,273 @@
+import os
+import time
+import warnings
+
+from asgiref.local import Local
+
+from django.apps import apps
+from django.core.exceptions import ImproperlyConfigured
+from django.core.signals import setting_changed
+from django.db import connections, router
+from django.db.utils import ConnectionRouter
+from django.dispatch import Signal, receiver
+from django.utils import timezone
+from django.utils.formats import FORMAT_SETTINGS, reset_format_cache
+from django.utils.functional import empty
+from django.utils.module_loading import import_string
+
+template_rendered = Signal()
+
+# Most setting_changed receivers are supposed to be added below,
+# except for cases where the receiver is related to a contrib app.
+
+# Settings that may not work well when using 'override_settings' (#19031)
+COMPLEX_OVERRIDE_SETTINGS = {"DATABASES"}
+
+
+@receiver(setting_changed)
+def clear_cache_handlers(*, setting, **kwargs):
+    if setting == "CACHES":
+        from django.core.cache import caches, close_caches
+
+        close_caches()
+        caches._settings = caches.settings = caches.configure_settings(None)
+        caches._connections = Local()
+
+
+@receiver(setting_changed)
+def update_installed_apps(*, setting, **kwargs):
+    if setting == "INSTALLED_APPS":
+        # Rebuild any AppDirectoriesFinder instance.
+        from django.contrib.staticfiles.finders import get_finder
+
+        get_finder.cache_clear()
+        # Rebuild management commands cache
+        from django.core.management import get_commands
+
+        get_commands.cache_clear()
+        # Rebuild get_app_template_dirs cache.
+        from django.template.utils import get_app_template_dirs
+
+        get_app_template_dirs.cache_clear()
+        # Rebuild translations cache.
+        from django.utils.translation import trans_real
+
+        trans_real._translations = {}
+
+
+@receiver(setting_changed)
+def update_connections_time_zone(*, setting, **kwargs):
+    if setting == "TIME_ZONE":
+        # Reset process time zone
+        if hasattr(time, "tzset"):
+            if kwargs["value"]:
+                os.environ["TZ"] = kwargs["value"]
+            else:
+                os.environ.pop("TZ", None)
+            time.tzset()
+
+        # Reset local time zone cache
+        timezone.get_default_timezone.cache_clear()
+
+    # Reset the database connections' time zone
+    if setting in {"TIME_ZONE", "USE_TZ"}:
+        for conn in connections.all(initialized_only=True):
+            try:
+                del conn.timezone
+            except AttributeError:
+                pass
+            try:
+                del conn.timezone_name
+            except AttributeError:
+                pass
+            conn.ensure_timezone()
+
+
+@receiver(setting_changed)
+def clear_routers_cache(*, setting, **kwargs):
+    if setting == "DATABASE_ROUTERS":
+        router.routers = ConnectionRouter().routers
+
+
+@receiver(setting_changed)
+def reset_template_engines(*, setting, **kwargs):
+    if setting in {
+        "TEMPLATES",
+        "DEBUG",
+        "INSTALLED_APPS",
+    }:
+        from django.template import engines
+
+        try:
+            del engines.templates
+        except AttributeError:
+            pass
+        engines._templates = None
+        engines._engines = {}
+        from django.template.engine import Engine
+
+        Engine.get_default.cache_clear()
+        from django.forms.renderers import get_default_renderer
+
+        get_default_renderer.cache_clear()
+
+
+@receiver(setting_changed)
+def storages_changed(*, setting, **kwargs):
+    from django.contrib.staticfiles.storage import staticfiles_storage
+    from django.core.files.storage import default_storage, storages
+
+    if setting in (
+        "STORAGES",
+        "STATIC_ROOT",
+        "STATIC_URL",
+    ):
+        try:
+            del storages.backends
+        except AttributeError:
+            pass
+        storages._backends = None
+        storages._storages = {}
+
+        default_storage._wrapped = empty
+        staticfiles_storage._wrapped = empty
+
+
+@receiver(setting_changed)
+def clear_serializers_cache(*, setting, **kwargs):
+    if setting == "SERIALIZATION_MODULES":
+        from django.core import serializers
+
+        serializers._serializers = {}
+
+
+@receiver(setting_changed)
+def language_changed(*, setting, **kwargs):
+    if setting in {"LANGUAGES", "LANGUAGE_CODE", "LOCALE_PATHS"}:
+        from django.utils.translation import trans_real
+
+        trans_real._default = None
+        trans_real._active = Local()
+    if setting in {"LANGUAGES", "LOCALE_PATHS"}:
+        from django.utils.translation import trans_real
+
+        trans_real._translations = {}
+        trans_real.check_for_language.cache_clear()
+
+
+@receiver(setting_changed)
+def localize_settings_changed(*, setting, **kwargs):
+    if setting in FORMAT_SETTINGS or setting == "USE_THOUSAND_SEPARATOR":
+        reset_format_cache()
+
+
+# RemovedInDjango51Warning.
+@receiver(setting_changed)
+def file_storage_changed(*, setting, **kwargs):
+    if setting == "DEFAULT_FILE_STORAGE":
+        from django.conf import DEFAULT_STORAGE_ALIAS
+        from django.core.files.storage import default_storage, storages
+
+        try:
+            del storages.backends
+        except AttributeError:
+            pass
+        storages._storages[DEFAULT_STORAGE_ALIAS] = import_string(kwargs["value"])()
+        default_storage._wrapped = empty
+
+
+@receiver(setting_changed)
+def complex_setting_changed(*, enter, setting, **kwargs):
+    if enter and setting in COMPLEX_OVERRIDE_SETTINGS:
+        # Considering the current implementation of the signals framework,
+        # this stacklevel shows the line containing the override_settings call.
+        warnings.warn(
+            f"Overriding setting {setting} can lead to unexpected behavior.",
+            stacklevel=5,
+        )
+
+
+@receiver(setting_changed)
+def root_urlconf_changed(*, setting, **kwargs):
+    if setting == "ROOT_URLCONF":
+        from django.urls import clear_url_caches, set_urlconf
+
+        clear_url_caches()
+        set_urlconf(None)
+
+
+@receiver(setting_changed)
+def static_storage_changed(*, setting, **kwargs):
+    if setting in {
+        "STATICFILES_STORAGE",
+        "STATIC_ROOT",
+        "STATIC_URL",
+    }:
+        from django.contrib.staticfiles.storage import staticfiles_storage
+
+        staticfiles_storage._wrapped = empty
+
+    # RemovedInDjango51Warning.
+    if setting == "STATICFILES_STORAGE":
+        from django.conf import STATICFILES_STORAGE_ALIAS
+        from django.core.files.storage import storages
+
+        try:
+            del storages.backends
+        except AttributeError:
+            pass
+        storages._storages[STATICFILES_STORAGE_ALIAS] = import_string(kwargs["value"])()
+
+
+@receiver(setting_changed)
+def static_finders_changed(*, setting, **kwargs):
+    if setting in {
+        "STATICFILES_DIRS",
+        "STATIC_ROOT",
+    }:
+        from django.contrib.staticfiles.finders import get_finder
+
+        get_finder.cache_clear()
+
+
+@receiver(setting_changed)
+def auth_password_validators_changed(*, setting, **kwargs):
+    if setting == "AUTH_PASSWORD_VALIDATORS":
+        from django.contrib.auth.password_validation import (
+            get_default_password_validators,
+        )
+
+        get_default_password_validators.cache_clear()
+
+
+@receiver(setting_changed)
+def user_model_swapped(*, setting, **kwargs):
+    if setting == "AUTH_USER_MODEL":
+        apps.clear_cache()
+        try:
+            from django.contrib.auth import get_user_model
+
+            UserModel = get_user_model()
+        except ImproperlyConfigured:
+            # Some tests set an invalid AUTH_USER_MODEL.
+            pass
+        else:
+            from django.contrib.auth import backends
+
+            backends.UserModel = UserModel
+
+            from django.contrib.auth import forms
+
+            forms.UserModel = UserModel
+
+            from django.contrib.auth.handlers import modwsgi
+
+            modwsgi.UserModel = UserModel
+
+            from django.contrib.auth.management.commands import changepassword
+
+            changepassword.UserModel = UserModel
+
+            from django.contrib.auth import views
+
+            views.UserModel = UserModel
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/testcases.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/testcases.py
new file mode 100644
index 00000000..ce3ca136
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/testcases.py
@@ -0,0 +1,1739 @@
+import difflib
+import json
+import logging
+import posixpath
+import sys
+import threading
+import unittest
+import warnings
+from collections import Counter
+from contextlib import contextmanager
+from copy import copy, deepcopy
+from difflib import get_close_matches
+from functools import wraps
+from unittest.suite import _DebugResult
+from unittest.util import safe_repr
+from urllib.parse import (
+    parse_qsl,
+    unquote,
+    urlencode,
+    urljoin,
+    urlparse,
+    urlsplit,
+    urlunparse,
+)
+from urllib.request import url2pathname
+
+from asgiref.sync import async_to_sync, iscoroutinefunction
+
+from django.apps import apps
+from django.conf import settings
+from django.core import mail
+from django.core.exceptions import ImproperlyConfigured, ValidationError
+from django.core.files import locks
+from django.core.handlers.wsgi import WSGIHandler, get_path_info
+from django.core.management import call_command
+from django.core.management.color import no_style
+from django.core.management.sql import emit_post_migrate_signal
+from django.core.servers.basehttp import ThreadedWSGIServer, WSGIRequestHandler
+from django.core.signals import setting_changed
+from django.db import DEFAULT_DB_ALIAS, connection, connections, transaction
+from django.forms.fields import CharField
+from django.http import QueryDict
+from django.http.request import split_domain_port, validate_host
+from django.test.client import AsyncClient, Client
+from django.test.html import HTMLParseError, parse_html
+from django.test.signals import template_rendered
+from django.test.utils import (
+    CaptureQueriesContext,
+    ContextList,
+    compare_xml,
+    modify_settings,
+    override_settings,
+)
+from django.utils.deprecation import RemovedInDjango51Warning
+from django.utils.functional import classproperty
+from django.views.static import serve
+
+logger = logging.getLogger("django.test")
+
+__all__ = (
+    "TestCase",
+    "TransactionTestCase",
+    "SimpleTestCase",
+    "skipIfDBFeature",
+    "skipUnlessDBFeature",
+)
+
+
+def to_list(value):
+    """Put value into a list if it's not already one."""
+    if not isinstance(value, list):
+        value = [value]
+    return value
+
+
+def assert_and_parse_html(self, html, user_msg, msg):
+    try:
+        dom = parse_html(html)
+    except HTMLParseError as e:
+        standardMsg = "%s\n%s" % (msg, e)
+        self.fail(self._formatMessage(user_msg, standardMsg))
+    return dom
+
+
+class _AssertNumQueriesContext(CaptureQueriesContext):
+    def __init__(self, test_case, num, connection):
+        self.test_case = test_case
+        self.num = num
+        super().__init__(connection)
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        super().__exit__(exc_type, exc_value, traceback)
+        if exc_type is not None:
+            return
+        executed = len(self)
+        self.test_case.assertEqual(
+            executed,
+            self.num,
+            "%d queries executed, %d expected\nCaptured queries were:\n%s"
+            % (
+                executed,
+                self.num,
+                "\n".join(
+                    "%d. %s" % (i, query["sql"])
+                    for i, query in enumerate(self.captured_queries, start=1)
+                ),
+            ),
+        )
+
+
+class _AssertTemplateUsedContext:
+    def __init__(self, test_case, template_name, msg_prefix="", count=None):
+        self.test_case = test_case
+        self.template_name = template_name
+        self.msg_prefix = msg_prefix
+        self.count = count
+
+        self.rendered_templates = []
+        self.context = ContextList()
+
+    def on_template_render(self, sender, signal, template, context, **kwargs):
+        self.rendered_templates.append(template)
+        self.context.append(copy(context))
+
+    def test(self):
+        self.test_case._assert_template_used(
+            self.template_name,
+            [t.name for t in self.rendered_templates if t.name is not None],
+            self.msg_prefix,
+            self.count,
+        )
+
+    def __enter__(self):
+        template_rendered.connect(self.on_template_render)
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        template_rendered.disconnect(self.on_template_render)
+        if exc_type is not None:
+            return
+        self.test()
+
+
+class _AssertTemplateNotUsedContext(_AssertTemplateUsedContext):
+    def test(self):
+        rendered_template_names = [
+            t.name for t in self.rendered_templates if t.name is not None
+        ]
+        self.test_case.assertFalse(
+            self.template_name in rendered_template_names,
+            f"{self.msg_prefix}Template '{self.template_name}' was used "
+            f"unexpectedly in rendering the response",
+        )
+
+
+class DatabaseOperationForbidden(AssertionError):
+    pass
+
+
+class _DatabaseFailure:
+    def __init__(self, wrapped, message):
+        self.wrapped = wrapped
+        self.message = message
+
+    def __call__(self):
+        raise DatabaseOperationForbidden(self.message)
+
+
+class SimpleTestCase(unittest.TestCase):
+    # The class we'll use for the test client self.client.
+    # Can be overridden in derived classes.
+    client_class = Client
+    async_client_class = AsyncClient
+    _overridden_settings = None
+    _modified_settings = None
+
+    databases = set()
+    _disallowed_database_msg = (
+        "Database %(operation)s to %(alias)r are not allowed in SimpleTestCase "
+        "subclasses. Either subclass TestCase or TransactionTestCase to ensure "
+        "proper test isolation or add %(alias)r to %(test)s.databases to silence "
+        "this failure."
+    )
+    _disallowed_connection_methods = [
+        ("connect", "connections"),
+        ("temporary_connection", "connections"),
+        ("cursor", "queries"),
+        ("chunked_cursor", "queries"),
+    ]
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        if cls._overridden_settings:
+            cls._cls_overridden_context = override_settings(**cls._overridden_settings)
+            cls._cls_overridden_context.enable()
+            cls.addClassCleanup(cls._cls_overridden_context.disable)
+        if cls._modified_settings:
+            cls._cls_modified_context = modify_settings(cls._modified_settings)
+            cls._cls_modified_context.enable()
+            cls.addClassCleanup(cls._cls_modified_context.disable)
+        cls._add_databases_failures()
+        cls.addClassCleanup(cls._remove_databases_failures)
+
+    @classmethod
+    def _validate_databases(cls):
+        if cls.databases == "__all__":
+            return frozenset(connections)
+        for alias in cls.databases:
+            if alias not in connections:
+                message = (
+                    "%s.%s.databases refers to %r which is not defined in "
+                    "settings.DATABASES."
+                    % (
+                        cls.__module__,
+                        cls.__qualname__,
+                        alias,
+                    )
+                )
+                close_matches = get_close_matches(alias, list(connections))
+                if close_matches:
+                    message += " Did you mean %r?" % close_matches[0]
+                raise ImproperlyConfigured(message)
+        return frozenset(cls.databases)
+
+    @classmethod
+    def _add_databases_failures(cls):
+        cls.databases = cls._validate_databases()
+        for alias in connections:
+            if alias in cls.databases:
+                continue
+            connection = connections[alias]
+            for name, operation in cls._disallowed_connection_methods:
+                message = cls._disallowed_database_msg % {
+                    "test": "%s.%s" % (cls.__module__, cls.__qualname__),
+                    "alias": alias,
+                    "operation": operation,
+                }
+                method = getattr(connection, name)
+                setattr(connection, name, _DatabaseFailure(method, message))
+
+    @classmethod
+    def _remove_databases_failures(cls):
+        for alias in connections:
+            if alias in cls.databases:
+                continue
+            connection = connections[alias]
+            for name, _ in cls._disallowed_connection_methods:
+                method = getattr(connection, name)
+                setattr(connection, name, method.wrapped)
+
+    def __call__(self, result=None):
+        """
+        Wrapper around default __call__ method to perform common Django test
+        set up. This means that user-defined TestCases aren't required to
+        include a call to super().setUp().
+        """
+        self._setup_and_call(result)
+
+    def debug(self):
+        """Perform the same as __call__(), without catching the exception."""
+        debug_result = _DebugResult()
+        self._setup_and_call(debug_result, debug=True)
+
+    def _setup_and_call(self, result, debug=False):
+        """
+        Perform the following in order: pre-setup, run test, post-teardown,
+        skipping pre/post hooks if test is set to be skipped.
+
+        If debug=True, reraise any errors in setup and use super().debug()
+        instead of __call__() to run the test.
+        """
+        testMethod = getattr(self, self._testMethodName)
+        skipped = getattr(self.__class__, "__unittest_skip__", False) or getattr(
+            testMethod, "__unittest_skip__", False
+        )
+
+        # Convert async test methods.
+        if iscoroutinefunction(testMethod):
+            setattr(self, self._testMethodName, async_to_sync(testMethod))
+
+        if not skipped:
+            try:
+                self._pre_setup()
+            except Exception:
+                if debug:
+                    raise
+                result.addError(self, sys.exc_info())
+                return
+        if debug:
+            super().debug()
+        else:
+            super().__call__(result)
+        if not skipped:
+            try:
+                self._post_teardown()
+            except Exception:
+                if debug:
+                    raise
+                result.addError(self, sys.exc_info())
+                return
+
+    def _pre_setup(self):
+        """
+        Perform pre-test setup:
+        * Create a test client.
+        * Clear the mail test outbox.
+        """
+        self.client = self.client_class()
+        self.async_client = self.async_client_class()
+        mail.outbox = []
+
+    def _post_teardown(self):
+        """Perform post-test things."""
+        pass
+
+    def settings(self, **kwargs):
+        """
+        A context manager that temporarily sets a setting and reverts to the
+        original value when exiting the context.
+        """
+        return override_settings(**kwargs)
+
+    def modify_settings(self, **kwargs):
+        """
+        A context manager that temporarily applies changes a list setting and
+        reverts back to the original value when exiting the context.
+        """
+        return modify_settings(**kwargs)
+
+    def assertRedirects(
+        self,
+        response,
+        expected_url,
+        status_code=302,
+        target_status_code=200,
+        msg_prefix="",
+        fetch_redirect_response=True,
+    ):
+        """
+        Assert that a response redirected to a specific URL and that the
+        redirect URL can be loaded.
+
+        Won't work for external links since it uses the test client to do a
+        request (use fetch_redirect_response=False to check such links without
+        fetching them).
+        """
+        if msg_prefix:
+            msg_prefix += ": "
+
+        if hasattr(response, "redirect_chain"):
+            # The request was a followed redirect
+            self.assertTrue(
+                response.redirect_chain,
+                msg_prefix
+                + (
+                    "Response didn't redirect as expected: Response code was %d "
+                    "(expected %d)"
+                )
+                % (response.status_code, status_code),
+            )
+
+            self.assertEqual(
+                response.redirect_chain[0][1],
+                status_code,
+                msg_prefix
+                + (
+                    "Initial response didn't redirect as expected: Response code was "
+                    "%d (expected %d)"
+                )
+                % (response.redirect_chain[0][1], status_code),
+            )
+
+            url, status_code = response.redirect_chain[-1]
+
+            self.assertEqual(
+                response.status_code,
+                target_status_code,
+                msg_prefix
+                + (
+                    "Response didn't redirect as expected: Final Response code was %d "
+                    "(expected %d)"
+                )
+                % (response.status_code, target_status_code),
+            )
+
+        else:
+            # Not a followed redirect
+            self.assertEqual(
+                response.status_code,
+                status_code,
+                msg_prefix
+                + (
+                    "Response didn't redirect as expected: Response code was %d "
+                    "(expected %d)"
+                )
+                % (response.status_code, status_code),
+            )
+
+            url = response.url
+            scheme, netloc, path, query, fragment = urlsplit(url)
+
+            # Prepend the request path to handle relative path redirects.
+            if not path.startswith("/"):
+                url = urljoin(response.request["PATH_INFO"], url)
+                path = urljoin(response.request["PATH_INFO"], path)
+
+            if fetch_redirect_response:
+                # netloc might be empty, or in cases where Django tests the
+                # HTTP scheme, the convention is for netloc to be 'testserver'.
+                # Trust both as "internal" URLs here.
+                domain, port = split_domain_port(netloc)
+                if domain and not validate_host(domain, settings.ALLOWED_HOSTS):
+                    raise ValueError(
+                        "The test client is unable to fetch remote URLs (got %s). "
+                        "If the host is served by Django, add '%s' to ALLOWED_HOSTS. "
+                        "Otherwise, use "
+                        "assertRedirects(..., fetch_redirect_response=False)."
+                        % (url, domain)
+                    )
+                # Get the redirection page, using the same client that was used
+                # to obtain the original response.
+                extra = response.client.extra or {}
+                headers = response.client.headers or {}
+                redirect_response = response.client.get(
+                    path,
+                    QueryDict(query),
+                    secure=(scheme == "https"),
+                    headers=headers,
+                    **extra,
+                )
+                self.assertEqual(
+                    redirect_response.status_code,
+                    target_status_code,
+                    msg_prefix
+                    + (
+                        "Couldn't retrieve redirection page '%s': response code was %d "
+                        "(expected %d)"
+                    )
+                    % (path, redirect_response.status_code, target_status_code),
+                )
+
+        self.assertURLEqual(
+            url,
+            expected_url,
+            msg_prefix
+            + "Response redirected to '%s', expected '%s'" % (url, expected_url),
+        )
+
+    def assertURLEqual(self, url1, url2, msg_prefix=""):
+        """
+        Assert that two URLs are the same, ignoring the order of query string
+        parameters except for parameters with the same name.
+
+        For example, /path/?x=1&y=2 is equal to /path/?y=2&x=1, but
+        /path/?a=1&a=2 isn't equal to /path/?a=2&a=1.
+        """
+
+        def normalize(url):
+            """Sort the URL's query string parameters."""
+            url = str(url)  # Coerce reverse_lazy() URLs.
+            scheme, netloc, path, params, query, fragment = urlparse(url)
+            query_parts = sorted(parse_qsl(query))
+            return urlunparse(
+                (scheme, netloc, path, params, urlencode(query_parts), fragment)
+            )
+
+        self.assertEqual(
+            normalize(url1),
+            normalize(url2),
+            msg_prefix + "Expected '%s' to equal '%s'." % (url1, url2),
+        )
+
+    def _assert_contains(self, response, text, status_code, msg_prefix, html):
+        # If the response supports deferred rendering and hasn't been rendered
+        # yet, then ensure that it does get rendered before proceeding further.
+        if (
+            hasattr(response, "render")
+            and callable(response.render)
+            and not response.is_rendered
+        ):
+            response.render()
+
+        if msg_prefix:
+            msg_prefix += ": "
+
+        self.assertEqual(
+            response.status_code,
+            status_code,
+            msg_prefix + "Couldn't retrieve content: Response code was %d"
+            " (expected %d)" % (response.status_code, status_code),
+        )
+
+        if response.streaming:
+            content = b"".join(response.streaming_content)
+        else:
+            content = response.content
+        if not isinstance(text, bytes) or html:
+            text = str(text)
+            content = content.decode(response.charset)
+            text_repr = "'%s'" % text
+        else:
+            text_repr = repr(text)
+        if html:
+            content = assert_and_parse_html(
+                self, content, None, "Response's content is not valid HTML:"
+            )
+            text = assert_and_parse_html(
+                self, text, None, "Second argument is not valid HTML:"
+            )
+        real_count = content.count(text)
+        return (text_repr, real_count, msg_prefix)
+
+    def assertContains(
+        self, response, text, count=None, status_code=200, msg_prefix="", html=False
+    ):
+        """
+        Assert that a response indicates that some content was retrieved
+        successfully, (i.e., the HTTP status code was as expected) and that
+        ``text`` occurs ``count`` times in the content of the response.
+        If ``count`` is None, the count doesn't matter - the assertion is true
+        if the text occurs at least once in the response.
+        """
+        text_repr, real_count, msg_prefix = self._assert_contains(
+            response, text, status_code, msg_prefix, html
+        )
+
+        if count is not None:
+            self.assertEqual(
+                real_count,
+                count,
+                msg_prefix
+                + "Found %d instances of %s in response (expected %d)"
+                % (real_count, text_repr, count),
+            )
+        else:
+            self.assertTrue(
+                real_count != 0, msg_prefix + "Couldn't find %s in response" % text_repr
+            )
+
+    def assertNotContains(
+        self, response, text, status_code=200, msg_prefix="", html=False
+    ):
+        """
+        Assert that a response indicates that some content was retrieved
+        successfully, (i.e., the HTTP status code was as expected) and that
+        ``text`` doesn't occur in the content of the response.
+        """
+        text_repr, real_count, msg_prefix = self._assert_contains(
+            response, text, status_code, msg_prefix, html
+        )
+
+        self.assertEqual(
+            real_count, 0, msg_prefix + "Response should not contain %s" % text_repr
+        )
+
+    def _check_test_client_response(self, response, attribute, method_name):
+        """
+        Raise a ValueError if the given response doesn't have the required
+        attribute.
+        """
+        if not hasattr(response, attribute):
+            raise ValueError(
+                f"{method_name}() is only usable on responses fetched using "
+                "the Django test Client."
+            )
+
+    def _assert_form_error(self, form, field, errors, msg_prefix, form_repr):
+        if not form.is_bound:
+            self.fail(
+                f"{msg_prefix}The {form_repr} is not bound, it will never have any "
+                f"errors."
+            )
+
+        if field is not None and field not in form.fields:
+            self.fail(
+                f"{msg_prefix}The {form_repr} does not contain the field {field!r}."
+            )
+        if field is None:
+            field_errors = form.non_field_errors()
+            failure_message = f"The non-field errors of {form_repr} don't match."
+        else:
+            field_errors = form.errors.get(field, [])
+            failure_message = (
+                f"The errors of field {field!r} on {form_repr} don't match."
+            )
+
+        self.assertEqual(field_errors, errors, msg_prefix + failure_message)
+
+    def assertFormError(self, form, field, errors, msg_prefix=""):
+        """
+        Assert that a field named "field" on the given form object has specific
+        errors.
+
+        errors can be either a single error message or a list of errors
+        messages. Using errors=[] test that the field has no errors.
+
+        You can pass field=None to check the form's non-field errors.
+        """
+        if msg_prefix:
+            msg_prefix += ": "
+        errors = to_list(errors)
+        self._assert_form_error(form, field, errors, msg_prefix, f"form {form!r}")
+
+    # RemovedInDjango51Warning.
+    def assertFormsetError(self, *args, **kw):
+        warnings.warn(
+            "assertFormsetError() is deprecated in favor of assertFormSetError().",
+            category=RemovedInDjango51Warning,
+            stacklevel=2,
+        )
+        return self.assertFormSetError(*args, **kw)
+
+    def assertFormSetError(self, formset, form_index, field, errors, msg_prefix=""):
+        """
+        Similar to assertFormError() but for formsets.
+
+        Use form_index=None to check the formset's non-form errors (in that
+        case, you must also use field=None).
+        Otherwise use an integer to check the formset's n-th form for errors.
+
+        Other parameters are the same as assertFormError().
+        """
+        if form_index is None and field is not None:
+            raise ValueError("You must use field=None with form_index=None.")
+
+        if msg_prefix:
+            msg_prefix += ": "
+        errors = to_list(errors)
+
+        if not formset.is_bound:
+            self.fail(
+                f"{msg_prefix}The formset {formset!r} is not bound, it will never have "
+                f"any errors."
+            )
+        if form_index is not None and form_index >= formset.total_form_count():
+            form_count = formset.total_form_count()
+            form_or_forms = "forms" if form_count > 1 else "form"
+            self.fail(
+                f"{msg_prefix}The formset {formset!r} only has {form_count} "
+                f"{form_or_forms}."
+            )
+        if form_index is not None:
+            form_repr = f"form {form_index} of formset {formset!r}"
+            self._assert_form_error(
+                formset.forms[form_index], field, errors, msg_prefix, form_repr
+            )
+        else:
+            failure_message = f"The non-form errors of formset {formset!r} don't match."
+            self.assertEqual(
+                formset.non_form_errors(), errors, msg_prefix + failure_message
+            )
+
+    def _get_template_used(self, response, template_name, msg_prefix, method_name):
+        if response is None and template_name is None:
+            raise TypeError("response and/or template_name argument must be provided")
+
+        if msg_prefix:
+            msg_prefix += ": "
+
+        if template_name is not None and response is not None:
+            self._check_test_client_response(response, "templates", method_name)
+
+        if not hasattr(response, "templates") or (response is None and template_name):
+            if response:
+                template_name = response
+                response = None
+            # use this template with context manager
+            return template_name, None, msg_prefix
+
+        template_names = [t.name for t in response.templates if t.name is not None]
+        return None, template_names, msg_prefix
+
+    def _assert_template_used(self, template_name, template_names, msg_prefix, count):
+        if not template_names:
+            self.fail(msg_prefix + "No templates used to render the response")
+        self.assertTrue(
+            template_name in template_names,
+            msg_prefix + "Template '%s' was not a template used to render"
+            " the response. Actual template(s) used: %s"
+            % (template_name, ", ".join(template_names)),
+        )
+
+        if count is not None:
+            self.assertEqual(
+                template_names.count(template_name),
+                count,
+                msg_prefix + "Template '%s' was expected to be rendered %d "
+                "time(s) but was actually rendered %d time(s)."
+                % (template_name, count, template_names.count(template_name)),
+            )
+
+    def assertTemplateUsed(
+        self, response=None, template_name=None, msg_prefix="", count=None
+    ):
+        """
+        Assert that the template with the provided name was used in rendering
+        the response. Also usable as context manager.
+        """
+        context_mgr_template, template_names, msg_prefix = self._get_template_used(
+            response,
+            template_name,
+            msg_prefix,
+            "assertTemplateUsed",
+        )
+        if context_mgr_template:
+            # Use assertTemplateUsed as context manager.
+            return _AssertTemplateUsedContext(
+                self, context_mgr_template, msg_prefix, count
+            )
+
+        self._assert_template_used(template_name, template_names, msg_prefix, count)
+
+    def assertTemplateNotUsed(self, response=None, template_name=None, msg_prefix=""):
+        """
+        Assert that the template with the provided name was NOT used in
+        rendering the response. Also usable as context manager.
+        """
+        context_mgr_template, template_names, msg_prefix = self._get_template_used(
+            response,
+            template_name,
+            msg_prefix,
+            "assertTemplateNotUsed",
+        )
+        if context_mgr_template:
+            # Use assertTemplateNotUsed as context manager.
+            return _AssertTemplateNotUsedContext(self, context_mgr_template, msg_prefix)
+
+        self.assertFalse(
+            template_name in template_names,
+            msg_prefix
+            + "Template '%s' was used unexpectedly in rendering the response"
+            % template_name,
+        )
+
+    @contextmanager
+    def _assert_raises_or_warns_cm(
+        self, func, cm_attr, expected_exception, expected_message
+    ):
+        with func(expected_exception) as cm:
+            yield cm
+        self.assertIn(expected_message, str(getattr(cm, cm_attr)))
+
+    def _assertFooMessage(
+        self, func, cm_attr, expected_exception, expected_message, *args, **kwargs
+    ):
+        callable_obj = None
+        if args:
+            callable_obj, *args = args
+        cm = self._assert_raises_or_warns_cm(
+            func, cm_attr, expected_exception, expected_message
+        )
+        # Assertion used in context manager fashion.
+        if callable_obj is None:
+            return cm
+        # Assertion was passed a callable.
+        with cm:
+            callable_obj(*args, **kwargs)
+
+    def assertRaisesMessage(
+        self, expected_exception, expected_message, *args, **kwargs
+    ):
+        """
+        Assert that expected_message is found in the message of a raised
+        exception.
+
+        Args:
+            expected_exception: Exception class expected to be raised.
+            expected_message: expected error message string value.
+            args: Function to be called and extra positional args.
+            kwargs: Extra kwargs.
+        """
+        return self._assertFooMessage(
+            self.assertRaises,
+            "exception",
+            expected_exception,
+            expected_message,
+            *args,
+            **kwargs,
+        )
+
+    def assertWarnsMessage(self, expected_warning, expected_message, *args, **kwargs):
+        """
+        Same as assertRaisesMessage but for assertWarns() instead of
+        assertRaises().
+        """
+        return self._assertFooMessage(
+            self.assertWarns,
+            "warning",
+            expected_warning,
+            expected_message,
+            *args,
+            **kwargs,
+        )
+
+    def assertFieldOutput(
+        self,
+        fieldclass,
+        valid,
+        invalid,
+        field_args=None,
+        field_kwargs=None,
+        empty_value="",
+    ):
+        """
+        Assert that a form field behaves correctly with various inputs.
+
+        Args:
+            fieldclass: the class of the field to be tested.
+            valid: a dictionary mapping valid inputs to their expected
+                    cleaned values.
+            invalid: a dictionary mapping invalid inputs to one or more
+                    raised error messages.
+            field_args: the args passed to instantiate the field
+            field_kwargs: the kwargs passed to instantiate the field
+            empty_value: the expected clean output for inputs in empty_values
+        """
+        if field_args is None:
+            field_args = []
+        if field_kwargs is None:
+            field_kwargs = {}
+        required = fieldclass(*field_args, **field_kwargs)
+        optional = fieldclass(*field_args, **{**field_kwargs, "required": False})
+        # test valid inputs
+        for input, output in valid.items():
+            self.assertEqual(required.clean(input), output)
+            self.assertEqual(optional.clean(input), output)
+        # test invalid inputs
+        for input, errors in invalid.items():
+            with self.assertRaises(ValidationError) as context_manager:
+                required.clean(input)
+            self.assertEqual(context_manager.exception.messages, errors)
+
+            with self.assertRaises(ValidationError) as context_manager:
+                optional.clean(input)
+            self.assertEqual(context_manager.exception.messages, errors)
+        # test required inputs
+        error_required = [required.error_messages["required"]]
+        for e in required.empty_values:
+            with self.assertRaises(ValidationError) as context_manager:
+                required.clean(e)
+            self.assertEqual(context_manager.exception.messages, error_required)
+            self.assertEqual(optional.clean(e), empty_value)
+        # test that max_length and min_length are always accepted
+        if issubclass(fieldclass, CharField):
+            field_kwargs.update({"min_length": 2, "max_length": 20})
+            self.assertIsInstance(fieldclass(*field_args, **field_kwargs), fieldclass)
+
+    def assertHTMLEqual(self, html1, html2, msg=None):
+        """
+        Assert that two HTML snippets are semantically the same.
+        Whitespace in most cases is ignored, and attribute ordering is not
+        significant. The arguments must be valid HTML.
+        """
+        dom1 = assert_and_parse_html(
+            self, html1, msg, "First argument is not valid HTML:"
+        )
+        dom2 = assert_and_parse_html(
+            self, html2, msg, "Second argument is not valid HTML:"
+        )
+
+        if dom1 != dom2:
+            standardMsg = "%s != %s" % (safe_repr(dom1, True), safe_repr(dom2, True))
+            diff = "\n" + "\n".join(
+                difflib.ndiff(
+                    str(dom1).splitlines(),
+                    str(dom2).splitlines(),
+                )
+            )
+            standardMsg = self._truncateMessage(standardMsg, diff)
+            self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertHTMLNotEqual(self, html1, html2, msg=None):
+        """Assert that two HTML snippets are not semantically equivalent."""
+        dom1 = assert_and_parse_html(
+            self, html1, msg, "First argument is not valid HTML:"
+        )
+        dom2 = assert_and_parse_html(
+            self, html2, msg, "Second argument is not valid HTML:"
+        )
+
+        if dom1 == dom2:
+            standardMsg = "%s == %s" % (safe_repr(dom1, True), safe_repr(dom2, True))
+            self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertInHTML(self, needle, haystack, count=None, msg_prefix=""):
+        needle = assert_and_parse_html(
+            self, needle, None, "First argument is not valid HTML:"
+        )
+        haystack = assert_and_parse_html(
+            self, haystack, None, "Second argument is not valid HTML:"
+        )
+        real_count = haystack.count(needle)
+        if count is not None:
+            self.assertEqual(
+                real_count,
+                count,
+                msg_prefix
+                + "Found %d instances of '%s' in response (expected %d)"
+                % (real_count, needle, count),
+            )
+        else:
+            self.assertTrue(
+                real_count != 0, msg_prefix + "Couldn't find '%s' in response" % needle
+            )
+
+    def assertJSONEqual(self, raw, expected_data, msg=None):
+        """
+        Assert that the JSON fragments raw and expected_data are equal.
+        Usual JSON non-significant whitespace rules apply as the heavyweight
+        is delegated to the json library.
+        """
+        try:
+            data = json.loads(raw)
+        except json.JSONDecodeError:
+            self.fail("First argument is not valid JSON: %r" % raw)
+        if isinstance(expected_data, str):
+            try:
+                expected_data = json.loads(expected_data)
+            except ValueError:
+                self.fail("Second argument is not valid JSON: %r" % expected_data)
+        self.assertEqual(data, expected_data, msg=msg)
+
+    def assertJSONNotEqual(self, raw, expected_data, msg=None):
+        """
+        Assert that the JSON fragments raw and expected_data are not equal.
+        Usual JSON non-significant whitespace rules apply as the heavyweight
+        is delegated to the json library.
+        """
+        try:
+            data = json.loads(raw)
+        except json.JSONDecodeError:
+            self.fail("First argument is not valid JSON: %r" % raw)
+        if isinstance(expected_data, str):
+            try:
+                expected_data = json.loads(expected_data)
+            except json.JSONDecodeError:
+                self.fail("Second argument is not valid JSON: %r" % expected_data)
+        self.assertNotEqual(data, expected_data, msg=msg)
+
+    def assertXMLEqual(self, xml1, xml2, msg=None):
+        """
+        Assert that two XML snippets are semantically the same.
+        Whitespace in most cases is ignored and attribute ordering is not
+        significant. The arguments must be valid XML.
+        """
+        try:
+            result = compare_xml(xml1, xml2)
+        except Exception as e:
+            standardMsg = "First or second argument is not valid XML\n%s" % e
+            self.fail(self._formatMessage(msg, standardMsg))
+        else:
+            if not result:
+                standardMsg = "%s != %s" % (
+                    safe_repr(xml1, True),
+                    safe_repr(xml2, True),
+                )
+                diff = "\n" + "\n".join(
+                    difflib.ndiff(xml1.splitlines(), xml2.splitlines())
+                )
+                standardMsg = self._truncateMessage(standardMsg, diff)
+                self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertXMLNotEqual(self, xml1, xml2, msg=None):
+        """
+        Assert that two XML snippets are not semantically equivalent.
+        Whitespace in most cases is ignored and attribute ordering is not
+        significant. The arguments must be valid XML.
+        """
+        try:
+            result = compare_xml(xml1, xml2)
+        except Exception as e:
+            standardMsg = "First or second argument is not valid XML\n%s" % e
+            self.fail(self._formatMessage(msg, standardMsg))
+        else:
+            if result:
+                standardMsg = "%s == %s" % (
+                    safe_repr(xml1, True),
+                    safe_repr(xml2, True),
+                )
+                self.fail(self._formatMessage(msg, standardMsg))
+
+
+class TransactionTestCase(SimpleTestCase):
+    # Subclasses can ask for resetting of auto increment sequence before each
+    # test case
+    reset_sequences = False
+
+    # Subclasses can enable only a subset of apps for faster tests
+    available_apps = None
+
+    # Subclasses can define fixtures which will be automatically installed.
+    fixtures = None
+
+    databases = {DEFAULT_DB_ALIAS}
+    _disallowed_database_msg = (
+        "Database %(operation)s to %(alias)r are not allowed in this test. "
+        "Add %(alias)r to %(test)s.databases to ensure proper test isolation "
+        "and silence this failure."
+    )
+
+    # If transactions aren't available, Django will serialize the database
+    # contents into a fixture during setup and flush and reload them
+    # during teardown (as flush does not restore data from migrations).
+    # This can be slow; this flag allows enabling on a per-case basis.
+    serialized_rollback = False
+
+    def _pre_setup(self):
+        """
+        Perform pre-test setup:
+        * If the class has an 'available_apps' attribute, restrict the app
+          registry to these applications, then fire the post_migrate signal --
+          it must run with the correct set of applications for the test case.
+        * If the class has a 'fixtures' attribute, install those fixtures.
+        """
+        super()._pre_setup()
+        if self.available_apps is not None:
+            apps.set_available_apps(self.available_apps)
+            setting_changed.send(
+                sender=settings._wrapped.__class__,
+                setting="INSTALLED_APPS",
+                value=self.available_apps,
+                enter=True,
+            )
+            for db_name in self._databases_names(include_mirrors=False):
+                emit_post_migrate_signal(verbosity=0, interactive=False, db=db_name)
+        try:
+            self._fixture_setup()
+        except Exception:
+            if self.available_apps is not None:
+                apps.unset_available_apps()
+                setting_changed.send(
+                    sender=settings._wrapped.__class__,
+                    setting="INSTALLED_APPS",
+                    value=settings.INSTALLED_APPS,
+                    enter=False,
+                )
+            raise
+        # Clear the queries_log so that it's less likely to overflow (a single
+        # test probably won't execute 9K queries). If queries_log overflows,
+        # then assertNumQueries() doesn't work.
+        for db_name in self._databases_names(include_mirrors=False):
+            connections[db_name].queries_log.clear()
+
+    @classmethod
+    def _databases_names(cls, include_mirrors=True):
+        # Only consider allowed database aliases, including mirrors or not.
+        return [
+            alias
+            for alias in connections
+            if alias in cls.databases
+            and (
+                include_mirrors
+                or not connections[alias].settings_dict["TEST"]["MIRROR"]
+            )
+        ]
+
+    def _reset_sequences(self, db_name):
+        conn = connections[db_name]
+        if conn.features.supports_sequence_reset:
+            sql_list = conn.ops.sequence_reset_by_name_sql(
+                no_style(), conn.introspection.sequence_list()
+            )
+            if sql_list:
+                with transaction.atomic(using=db_name):
+                    with conn.cursor() as cursor:
+                        for sql in sql_list:
+                            cursor.execute(sql)
+
+    def _fixture_setup(self):
+        for db_name in self._databases_names(include_mirrors=False):
+            # Reset sequences
+            if self.reset_sequences:
+                self._reset_sequences(db_name)
+
+            # Provide replica initial data from migrated apps, if needed.
+            if self.serialized_rollback and hasattr(
+                connections[db_name], "_test_serialized_contents"
+            ):
+                if self.available_apps is not None:
+                    apps.unset_available_apps()
+                connections[db_name].creation.deserialize_db_from_string(
+                    connections[db_name]._test_serialized_contents
+                )
+                if self.available_apps is not None:
+                    apps.set_available_apps(self.available_apps)
+
+            if self.fixtures:
+                call_command("loaddata", *self.fixtures, verbosity=0, database=db_name)
+
+    def _should_reload_connections(self):
+        return True
+
+    def _post_teardown(self):
+        """
+        Perform post-test things:
+        * Flush the contents of the database to leave a clean slate. If the
+          class has an 'available_apps' attribute, don't fire post_migrate.
+        * Force-close the connection so the next test gets a clean cursor.
+        """
+        try:
+            self._fixture_teardown()
+            super()._post_teardown()
+            if self._should_reload_connections():
+                # Some DB cursors include SQL statements as part of cursor
+                # creation. If you have a test that does a rollback, the effect
+                # of these statements is lost, which can affect the operation of
+                # tests (e.g., losing a timezone setting causing objects to be
+                # created with the wrong time). To make sure this doesn't
+                # happen, get a clean connection at the start of every test.
+                for conn in connections.all(initialized_only=True):
+                    conn.close()
+        finally:
+            if self.available_apps is not None:
+                apps.unset_available_apps()
+                setting_changed.send(
+                    sender=settings._wrapped.__class__,
+                    setting="INSTALLED_APPS",
+                    value=settings.INSTALLED_APPS,
+                    enter=False,
+                )
+
+    def _fixture_teardown(self):
+        # Allow TRUNCATE ... CASCADE and don't emit the post_migrate signal
+        # when flushing only a subset of the apps
+        for db_name in self._databases_names(include_mirrors=False):
+            # Flush the database
+            inhibit_post_migrate = (
+                self.available_apps is not None
+                or (  # Inhibit the post_migrate signal when using serialized
+                    # rollback to avoid trying to recreate the serialized data.
+                    self.serialized_rollback
+                    and hasattr(connections[db_name], "_test_serialized_contents")
+                )
+            )
+            call_command(
+                "flush",
+                verbosity=0,
+                interactive=False,
+                database=db_name,
+                reset_sequences=False,
+                allow_cascade=self.available_apps is not None,
+                inhibit_post_migrate=inhibit_post_migrate,
+            )
+
+    # RemovedInDjango51Warning.
+    def assertQuerysetEqual(self, *args, **kw):
+        warnings.warn(
+            "assertQuerysetEqual() is deprecated in favor of assertQuerySetEqual().",
+            category=RemovedInDjango51Warning,
+            stacklevel=2,
+        )
+        return self.assertQuerySetEqual(*args, **kw)
+
+    def assertQuerySetEqual(self, qs, values, transform=None, ordered=True, msg=None):
+        values = list(values)
+        items = qs
+        if transform is not None:
+            items = map(transform, items)
+        if not ordered:
+            return self.assertDictEqual(Counter(items), Counter(values), msg=msg)
+        # For example qs.iterator() could be passed as qs, but it does not
+        # have 'ordered' attribute.
+        if len(values) > 1 and hasattr(qs, "ordered") and not qs.ordered:
+            raise ValueError(
+                "Trying to compare non-ordered queryset against more than one "
+                "ordered value."
+            )
+        return self.assertEqual(list(items), values, msg=msg)
+
+    def assertNumQueries(self, num, func=None, *args, using=DEFAULT_DB_ALIAS, **kwargs):
+        conn = connections[using]
+
+        context = _AssertNumQueriesContext(self, num, conn)
+        if func is None:
+            return context
+
+        with context:
+            func(*args, **kwargs)
+
+
+def connections_support_transactions(aliases=None):
+    """
+    Return whether or not all (or specified) connections support
+    transactions.
+    """
+    conns = (
+        connections.all()
+        if aliases is None
+        else (connections[alias] for alias in aliases)
+    )
+    return all(conn.features.supports_transactions for conn in conns)
+
+
+class TestData:
+    """
+    Descriptor to provide TestCase instance isolation for attributes assigned
+    during the setUpTestData() phase.
+
+    Allow safe alteration of objects assigned in setUpTestData() by test
+    methods by exposing deep copies instead of the original objects.
+
+    Objects are deep copied using a memo kept on the test case instance in
+    order to maintain their original relationships.
+    """
+
+    memo_attr = "_testdata_memo"
+
+    def __init__(self, name, data):
+        self.name = name
+        self.data = data
+
+    def get_memo(self, testcase):
+        try:
+            memo = getattr(testcase, self.memo_attr)
+        except AttributeError:
+            memo = {}
+            setattr(testcase, self.memo_attr, memo)
+        return memo
+
+    def __get__(self, instance, owner):
+        if instance is None:
+            return self.data
+        memo = self.get_memo(instance)
+        data = deepcopy(self.data, memo)
+        setattr(instance, self.name, data)
+        return data
+
+    def __repr__(self):
+        return "<TestData: name=%r, data=%r>" % (self.name, self.data)
+
+
+class TestCase(TransactionTestCase):
+    """
+    Similar to TransactionTestCase, but use `transaction.atomic()` to achieve
+    test isolation.
+
+    In most situations, TestCase should be preferred to TransactionTestCase as
+    it allows faster execution. However, there are some situations where using
+    TransactionTestCase might be necessary (e.g. testing some transactional
+    behavior).
+
+    On database backends with no transaction support, TestCase behaves as
+    TransactionTestCase.
+    """
+
+    @classmethod
+    def _enter_atomics(cls):
+        """Open atomic blocks for multiple databases."""
+        atomics = {}
+        for db_name in cls._databases_names():
+            atomic = transaction.atomic(using=db_name)
+            atomic._from_testcase = True
+            atomic.__enter__()
+            atomics[db_name] = atomic
+        return atomics
+
+    @classmethod
+    def _rollback_atomics(cls, atomics):
+        """Rollback atomic blocks opened by the previous method."""
+        for db_name in reversed(cls._databases_names()):
+            transaction.set_rollback(True, using=db_name)
+            atomics[db_name].__exit__(None, None, None)
+
+    @classmethod
+    def _databases_support_transactions(cls):
+        return connections_support_transactions(cls.databases)
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        if not cls._databases_support_transactions():
+            return
+        cls.cls_atomics = cls._enter_atomics()
+
+        if cls.fixtures:
+            for db_name in cls._databases_names(include_mirrors=False):
+                try:
+                    call_command(
+                        "loaddata",
+                        *cls.fixtures,
+                        verbosity=0,
+                        database=db_name,
+                    )
+                except Exception:
+                    cls._rollback_atomics(cls.cls_atomics)
+                    raise
+        pre_attrs = cls.__dict__.copy()
+        try:
+            cls.setUpTestData()
+        except Exception:
+            cls._rollback_atomics(cls.cls_atomics)
+            raise
+        for name, value in cls.__dict__.items():
+            if value is not pre_attrs.get(name):
+                setattr(cls, name, TestData(name, value))
+
+    @classmethod
+    def tearDownClass(cls):
+        if cls._databases_support_transactions():
+            cls._rollback_atomics(cls.cls_atomics)
+            for conn in connections.all(initialized_only=True):
+                conn.close()
+        super().tearDownClass()
+
+    @classmethod
+    def setUpTestData(cls):
+        """Load initial data for the TestCase."""
+        pass
+
+    def _should_reload_connections(self):
+        if self._databases_support_transactions():
+            return False
+        return super()._should_reload_connections()
+
+    def _fixture_setup(self):
+        if not self._databases_support_transactions():
+            # If the backend does not support transactions, we should reload
+            # class data before each test
+            self.setUpTestData()
+            return super()._fixture_setup()
+
+        if self.reset_sequences:
+            raise TypeError("reset_sequences cannot be used on TestCase instances")
+        self.atomics = self._enter_atomics()
+
+    def _fixture_teardown(self):
+        if not self._databases_support_transactions():
+            return super()._fixture_teardown()
+        try:
+            for db_name in reversed(self._databases_names()):
+                if self._should_check_constraints(connections[db_name]):
+                    connections[db_name].check_constraints()
+        finally:
+            self._rollback_atomics(self.atomics)
+
+    def _should_check_constraints(self, connection):
+        return (
+            connection.features.can_defer_constraint_checks
+            and not connection.needs_rollback
+            and connection.is_usable()
+        )
+
+    @classmethod
+    @contextmanager
+    def captureOnCommitCallbacks(cls, *, using=DEFAULT_DB_ALIAS, execute=False):
+        """Context manager to capture transaction.on_commit() callbacks."""
+        callbacks = []
+        start_count = len(connections[using].run_on_commit)
+        try:
+            yield callbacks
+        finally:
+            while True:
+                callback_count = len(connections[using].run_on_commit)
+                for _, callback, robust in connections[using].run_on_commit[
+                    start_count:
+                ]:
+                    callbacks.append(callback)
+                    if execute:
+                        if robust:
+                            try:
+                                callback()
+                            except Exception as e:
+                                logger.error(
+                                    f"Error calling {callback.__qualname__} in "
+                                    f"on_commit() (%s).",
+                                    e,
+                                    exc_info=True,
+                                )
+                        else:
+                            callback()
+
+                if callback_count == len(connections[using].run_on_commit):
+                    break
+                start_count = callback_count
+
+
+class CheckCondition:
+    """Descriptor class for deferred condition checking."""
+
+    def __init__(self, *conditions):
+        self.conditions = conditions
+
+    def add_condition(self, condition, reason):
+        return self.__class__(*self.conditions, (condition, reason))
+
+    def __get__(self, instance, cls=None):
+        # Trigger access for all bases.
+        if any(getattr(base, "__unittest_skip__", False) for base in cls.__bases__):
+            return True
+        for condition, reason in self.conditions:
+            if condition():
+                # Override this descriptor's value and set the skip reason.
+                cls.__unittest_skip__ = True
+                cls.__unittest_skip_why__ = reason
+                return True
+        return False
+
+
+def _deferredSkip(condition, reason, name):
+    def decorator(test_func):
+        nonlocal condition
+        if not (
+            isinstance(test_func, type) and issubclass(test_func, unittest.TestCase)
+        ):
+
+            @wraps(test_func)
+            def skip_wrapper(*args, **kwargs):
+                if (
+                    args
+                    and isinstance(args[0], unittest.TestCase)
+                    and connection.alias not in getattr(args[0], "databases", {})
+                ):
+                    raise ValueError(
+                        "%s cannot be used on %s as %s doesn't allow queries "
+                        "against the %r database."
+                        % (
+                            name,
+                            args[0],
+                            args[0].__class__.__qualname__,
+                            connection.alias,
+                        )
+                    )
+                if condition():
+                    raise unittest.SkipTest(reason)
+                return test_func(*args, **kwargs)
+
+            test_item = skip_wrapper
+        else:
+            # Assume a class is decorated
+            test_item = test_func
+            databases = getattr(test_item, "databases", None)
+            if not databases or connection.alias not in databases:
+                # Defer raising to allow importing test class's module.
+                def condition():
+                    raise ValueError(
+                        "%s cannot be used on %s as it doesn't allow queries "
+                        "against the '%s' database."
+                        % (
+                            name,
+                            test_item,
+                            connection.alias,
+                        )
+                    )
+
+            # Retrieve the possibly existing value from the class's dict to
+            # avoid triggering the descriptor.
+            skip = test_func.__dict__.get("__unittest_skip__")
+            if isinstance(skip, CheckCondition):
+                test_item.__unittest_skip__ = skip.add_condition(condition, reason)
+            elif skip is not True:
+                test_item.__unittest_skip__ = CheckCondition((condition, reason))
+        return test_item
+
+    return decorator
+
+
+def skipIfDBFeature(*features):
+    """Skip a test if a database has at least one of the named features."""
+    return _deferredSkip(
+        lambda: any(
+            getattr(connection.features, feature, False) for feature in features
+        ),
+        "Database has feature(s) %s" % ", ".join(features),
+        "skipIfDBFeature",
+    )
+
+
+def skipUnlessDBFeature(*features):
+    """Skip a test unless a database has all the named features."""
+    return _deferredSkip(
+        lambda: not all(
+            getattr(connection.features, feature, False) for feature in features
+        ),
+        "Database doesn't support feature(s): %s" % ", ".join(features),
+        "skipUnlessDBFeature",
+    )
+
+
+def skipUnlessAnyDBFeature(*features):
+    """Skip a test unless a database has any of the named features."""
+    return _deferredSkip(
+        lambda: not any(
+            getattr(connection.features, feature, False) for feature in features
+        ),
+        "Database doesn't support any of the feature(s): %s" % ", ".join(features),
+        "skipUnlessAnyDBFeature",
+    )
+
+
+class QuietWSGIRequestHandler(WSGIRequestHandler):
+    """
+    A WSGIRequestHandler that doesn't log to standard output any of the
+    requests received, so as to not clutter the test result output.
+    """
+
+    def log_message(*args):
+        pass
+
+
+class FSFilesHandler(WSGIHandler):
+    """
+    WSGI middleware that intercepts calls to a directory, as defined by one of
+    the *_ROOT settings, and serves those files, publishing them under *_URL.
+    """
+
+    def __init__(self, application):
+        self.application = application
+        self.base_url = urlparse(self.get_base_url())
+        super().__init__()
+
+    def _should_handle(self, path):
+        """
+        Check if the path should be handled. Ignore the path if:
+        * the host is provided as part of the base_url
+        * the request's path isn't under the media path (or equal)
+        """
+        return path.startswith(self.base_url[2]) and not self.base_url[1]
+
+    def file_path(self, url):
+        """Return the relative path to the file on disk for the given URL."""
+        relative_url = url.removeprefix(self.base_url[2])
+        return url2pathname(relative_url)
+
+    def get_response(self, request):
+        from django.http import Http404
+
+        if self._should_handle(request.path):
+            try:
+                return self.serve(request)
+            except Http404:
+                pass
+        return super().get_response(request)
+
+    def serve(self, request):
+        os_rel_path = self.file_path(request.path)
+        os_rel_path = posixpath.normpath(unquote(os_rel_path))
+        # Emulate behavior of django.contrib.staticfiles.views.serve() when it
+        # invokes staticfiles' finders functionality.
+        # TODO: Modify if/when that internal API is refactored
+        final_rel_path = os_rel_path.replace("\\", "/").lstrip("/")
+        return serve(request, final_rel_path, document_root=self.get_base_dir())
+
+    def __call__(self, environ, start_response):
+        if not self._should_handle(get_path_info(environ)):
+            return self.application(environ, start_response)
+        return super().__call__(environ, start_response)
+
+
+class _StaticFilesHandler(FSFilesHandler):
+    """
+    Handler for serving static files. A private class that is meant to be used
+    solely as a convenience by LiveServerThread.
+    """
+
+    def get_base_dir(self):
+        return settings.STATIC_ROOT
+
+    def get_base_url(self):
+        return settings.STATIC_URL
+
+
+class _MediaFilesHandler(FSFilesHandler):
+    """
+    Handler for serving the media files. A private class that is meant to be
+    used solely as a convenience by LiveServerThread.
+    """
+
+    def get_base_dir(self):
+        return settings.MEDIA_ROOT
+
+    def get_base_url(self):
+        return settings.MEDIA_URL
+
+
+class LiveServerThread(threading.Thread):
+    """Thread for running a live HTTP server while the tests are running."""
+
+    server_class = ThreadedWSGIServer
+
+    def __init__(self, host, static_handler, connections_override=None, port=0):
+        self.host = host
+        self.port = port
+        self.is_ready = threading.Event()
+        self.error = None
+        self.static_handler = static_handler
+        self.connections_override = connections_override
+        super().__init__()
+
+    def run(self):
+        """
+        Set up the live server and databases, and then loop over handling
+        HTTP requests.
+        """
+        if self.connections_override:
+            # Override this thread's database connections with the ones
+            # provided by the main thread.
+            for alias, conn in self.connections_override.items():
+                connections[alias] = conn
+        try:
+            # Create the handler for serving static and media files
+            handler = self.static_handler(_MediaFilesHandler(WSGIHandler()))
+            self.httpd = self._create_server(
+                connections_override=self.connections_override,
+            )
+            # If binding to port zero, assign the port allocated by the OS.
+            if self.port == 0:
+                self.port = self.httpd.server_address[1]
+            self.httpd.set_app(handler)
+            self.is_ready.set()
+            self.httpd.serve_forever()
+        except Exception as e:
+            self.error = e
+            self.is_ready.set()
+        finally:
+            connections.close_all()
+
+    def _create_server(self, connections_override=None):
+        return self.server_class(
+            (self.host, self.port),
+            QuietWSGIRequestHandler,
+            allow_reuse_address=False,
+            connections_override=connections_override,
+        )
+
+    def terminate(self):
+        if hasattr(self, "httpd"):
+            # Stop the WSGI server
+            self.httpd.shutdown()
+            self.httpd.server_close()
+        self.join()
+
+
+class LiveServerTestCase(TransactionTestCase):
+    """
+    Do basically the same as TransactionTestCase but also launch a live HTTP
+    server in a separate thread so that the tests may use another testing
+    framework, such as Selenium for example, instead of the built-in dummy
+    client.
+    It inherits from TransactionTestCase instead of TestCase because the
+    threads don't share the same transactions (unless if using in-memory sqlite)
+    and each thread needs to commit all their transactions so that the other
+    thread can see the changes.
+    """
+
+    host = "localhost"
+    port = 0
+    server_thread_class = LiveServerThread
+    static_handler = _StaticFilesHandler
+
+    @classproperty
+    def live_server_url(cls):
+        return "http://%s:%s" % (cls.host, cls.server_thread.port)
+
+    @classproperty
+    def allowed_host(cls):
+        return cls.host
+
+    @classmethod
+    def _make_connections_override(cls):
+        connections_override = {}
+        for conn in connections.all():
+            # If using in-memory sqlite databases, pass the connections to
+            # the server thread.
+            if conn.vendor == "sqlite" and conn.is_in_memory_db():
+                connections_override[conn.alias] = conn
+        return connections_override
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls._live_server_modified_settings = modify_settings(
+            ALLOWED_HOSTS={"append": cls.allowed_host},
+        )
+        cls._live_server_modified_settings.enable()
+        cls.addClassCleanup(cls._live_server_modified_settings.disable)
+        cls._start_server_thread()
+
+    @classmethod
+    def _start_server_thread(cls):
+        connections_override = cls._make_connections_override()
+        for conn in connections_override.values():
+            # Explicitly enable thread-shareability for this connection.
+            conn.inc_thread_sharing()
+
+        cls.server_thread = cls._create_server_thread(connections_override)
+        cls.server_thread.daemon = True
+        cls.server_thread.start()
+        cls.addClassCleanup(cls._terminate_thread)
+
+        # Wait for the live server to be ready
+        cls.server_thread.is_ready.wait()
+        if cls.server_thread.error:
+            raise cls.server_thread.error
+
+    @classmethod
+    def _create_server_thread(cls, connections_override):
+        return cls.server_thread_class(
+            cls.host,
+            cls.static_handler,
+            connections_override=connections_override,
+            port=cls.port,
+        )
+
+    @classmethod
+    def _terminate_thread(cls):
+        # Terminate the live server's thread.
+        cls.server_thread.terminate()
+        # Restore shared connections' non-shareability.
+        for conn in cls.server_thread.connections_override.values():
+            conn.dec_thread_sharing()
+
+
+class SerializeMixin:
+    """
+    Enforce serialization of TestCases that share a common resource.
+
+    Define a common 'lockfile' for each set of TestCases to serialize. This
+    file must exist on the filesystem.
+
+    Place it early in the MRO in order to isolate setUpClass()/tearDownClass().
+    """
+
+    lockfile = None
+
+    def __init_subclass__(cls, /, **kwargs):
+        super().__init_subclass__(**kwargs)
+        if cls.lockfile is None:
+            raise ValueError(
+                "{}.lockfile isn't set. Set it to a unique value "
+                "in the base class.".format(cls.__name__)
+            )
+
+    @classmethod
+    def setUpClass(cls):
+        cls._lockfile = open(cls.lockfile)
+        cls.addClassCleanup(cls._lockfile.close)
+        locks.lock(cls._lockfile, locks.LOCK_EX)
+        super().setUpClass()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/test/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/utils.py
new file mode 100644
index 00000000..08f00f9e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/test/utils.py
@@ -0,0 +1,984 @@
+import collections
+import logging
+import os
+import re
+import sys
+import time
+import warnings
+from contextlib import contextmanager
+from functools import wraps
+from io import StringIO
+from itertools import chain
+from types import SimpleNamespace
+from unittest import TestCase, skipIf, skipUnless
+from xml.dom.minidom import Node, parseString
+
+from asgiref.sync import iscoroutinefunction
+
+from django.apps import apps
+from django.apps.registry import Apps
+from django.conf import UserSettingsHolder, settings
+from django.core import mail
+from django.core.exceptions import ImproperlyConfigured
+from django.core.signals import request_started, setting_changed
+from django.db import DEFAULT_DB_ALIAS, connections, reset_queries
+from django.db.models.options import Options
+from django.template import Template
+from django.test.signals import template_rendered
+from django.urls import get_script_prefix, set_script_prefix
+from django.utils.translation import deactivate
+
+try:
+    import jinja2
+except ImportError:
+    jinja2 = None
+
+
+__all__ = (
+    "Approximate",
+    "ContextList",
+    "isolate_lru_cache",
+    "get_runner",
+    "CaptureQueriesContext",
+    "ignore_warnings",
+    "isolate_apps",
+    "modify_settings",
+    "override_settings",
+    "override_system_checks",
+    "tag",
+    "requires_tz_support",
+    "setup_databases",
+    "setup_test_environment",
+    "teardown_test_environment",
+)
+
+TZ_SUPPORT = hasattr(time, "tzset")
+
+
+class Approximate:
+    def __init__(self, val, places=7):
+        self.val = val
+        self.places = places
+
+    def __repr__(self):
+        return repr(self.val)
+
+    def __eq__(self, other):
+        return self.val == other or round(abs(self.val - other), self.places) == 0
+
+
+class ContextList(list):
+    """
+    A wrapper that provides direct key access to context items contained
+    in a list of context objects.
+    """
+
+    def __getitem__(self, key):
+        if isinstance(key, str):
+            for subcontext in self:
+                if key in subcontext:
+                    return subcontext[key]
+            raise KeyError(key)
+        else:
+            return super().__getitem__(key)
+
+    def get(self, key, default=None):
+        try:
+            return self.__getitem__(key)
+        except KeyError:
+            return default
+
+    def __contains__(self, key):
+        try:
+            self[key]
+        except KeyError:
+            return False
+        return True
+
+    def keys(self):
+        """
+        Flattened keys of subcontexts.
+        """
+        return set(chain.from_iterable(d for subcontext in self for d in subcontext))
+
+
+def instrumented_test_render(self, context):
+    """
+    An instrumented Template render method, providing a signal that can be
+    intercepted by the test Client.
+    """
+    template_rendered.send(sender=self, template=self, context=context)
+    return self.nodelist.render(context)
+
+
+class _TestState:
+    pass
+
+
+def setup_test_environment(debug=None):
+    """
+    Perform global pre-test setup, such as installing the instrumented template
+    renderer and setting the email backend to the locmem email backend.
+    """
+    if hasattr(_TestState, "saved_data"):
+        # Executing this function twice would overwrite the saved values.
+        raise RuntimeError(
+            "setup_test_environment() was already called and can't be called "
+            "again without first calling teardown_test_environment()."
+        )
+
+    if debug is None:
+        debug = settings.DEBUG
+
+    saved_data = SimpleNamespace()
+    _TestState.saved_data = saved_data
+
+    saved_data.allowed_hosts = settings.ALLOWED_HOSTS
+    # Add the default host of the test client.
+    settings.ALLOWED_HOSTS = [*settings.ALLOWED_HOSTS, "testserver"]
+
+    saved_data.debug = settings.DEBUG
+    settings.DEBUG = debug
+
+    saved_data.email_backend = settings.EMAIL_BACKEND
+    settings.EMAIL_BACKEND = "django.core.mail.backends.locmem.EmailBackend"
+
+    saved_data.template_render = Template._render
+    Template._render = instrumented_test_render
+
+    mail.outbox = []
+
+    deactivate()
+
+
+def teardown_test_environment():
+    """
+    Perform any global post-test teardown, such as restoring the original
+    template renderer and restoring the email sending functions.
+    """
+    saved_data = _TestState.saved_data
+
+    settings.ALLOWED_HOSTS = saved_data.allowed_hosts
+    settings.DEBUG = saved_data.debug
+    settings.EMAIL_BACKEND = saved_data.email_backend
+    Template._render = saved_data.template_render
+
+    del _TestState.saved_data
+    del mail.outbox
+
+
+def setup_databases(
+    verbosity,
+    interactive,
+    *,
+    time_keeper=None,
+    keepdb=False,
+    debug_sql=False,
+    parallel=0,
+    aliases=None,
+    serialized_aliases=None,
+    **kwargs,
+):
+    """Create the test databases."""
+    if time_keeper is None:
+        time_keeper = NullTimeKeeper()
+
+    test_databases, mirrored_aliases = get_unique_databases_and_mirrors(aliases)
+
+    old_names = []
+
+    for db_name, aliases in test_databases.values():
+        first_alias = None
+        for alias in aliases:
+            connection = connections[alias]
+            old_names.append((connection, db_name, first_alias is None))
+
+            # Actually create the database for the first connection
+            if first_alias is None:
+                first_alias = alias
+                with time_keeper.timed("  Creating '%s'" % alias):
+                    serialize_alias = (
+                        serialized_aliases is None or alias in serialized_aliases
+                    )
+                    connection.creation.create_test_db(
+                        verbosity=verbosity,
+                        autoclobber=not interactive,
+                        keepdb=keepdb,
+                        serialize=serialize_alias,
+                    )
+                if parallel > 1:
+                    for index in range(parallel):
+                        with time_keeper.timed("  Cloning '%s'" % alias):
+                            connection.creation.clone_test_db(
+                                suffix=str(index + 1),
+                                verbosity=verbosity,
+                                keepdb=keepdb,
+                            )
+            # Configure all other connections as mirrors of the first one
+            else:
+                connections[alias].creation.set_as_test_mirror(
+                    connections[first_alias].settings_dict
+                )
+
+    # Configure the test mirrors.
+    for alias, mirror_alias in mirrored_aliases.items():
+        connections[alias].creation.set_as_test_mirror(
+            connections[mirror_alias].settings_dict
+        )
+
+    if debug_sql:
+        for alias in connections:
+            connections[alias].force_debug_cursor = True
+
+    return old_names
+
+
+def iter_test_cases(tests):
+    """
+    Return an iterator over a test suite's unittest.TestCase objects.
+
+    The tests argument can also be an iterable of TestCase objects.
+    """
+    for test in tests:
+        if isinstance(test, str):
+            # Prevent an unfriendly RecursionError that can happen with
+            # strings.
+            raise TypeError(
+                f"Test {test!r} must be a test case or test suite not string "
+                f"(was found in {tests!r})."
+            )
+        if isinstance(test, TestCase):
+            yield test
+        else:
+            # Otherwise, assume it is a test suite.
+            yield from iter_test_cases(test)
+
+
+def dependency_ordered(test_databases, dependencies):
+    """
+    Reorder test_databases into an order that honors the dependencies
+    described in TEST[DEPENDENCIES].
+    """
+    ordered_test_databases = []
+    resolved_databases = set()
+
+    # Maps db signature to dependencies of all its aliases
+    dependencies_map = {}
+
+    # Check that no database depends on its own alias
+    for sig, (_, aliases) in test_databases:
+        all_deps = set()
+        for alias in aliases:
+            all_deps.update(dependencies.get(alias, []))
+        if not all_deps.isdisjoint(aliases):
+            raise ImproperlyConfigured(
+                "Circular dependency: databases %r depend on each other, "
+                "but are aliases." % aliases
+            )
+        dependencies_map[sig] = all_deps
+
+    while test_databases:
+        changed = False
+        deferred = []
+
+        # Try to find a DB that has all its dependencies met
+        for signature, (db_name, aliases) in test_databases:
+            if dependencies_map[signature].issubset(resolved_databases):
+                resolved_databases.update(aliases)
+                ordered_test_databases.append((signature, (db_name, aliases)))
+                changed = True
+            else:
+                deferred.append((signature, (db_name, aliases)))
+
+        if not changed:
+            raise ImproperlyConfigured("Circular dependency in TEST[DEPENDENCIES]")
+        test_databases = deferred
+    return ordered_test_databases
+
+
+def get_unique_databases_and_mirrors(aliases=None):
+    """
+    Figure out which databases actually need to be created.
+
+    Deduplicate entries in DATABASES that correspond the same database or are
+    configured as test mirrors.
+
+    Return two values:
+    - test_databases: ordered mapping of signatures to (name, list of aliases)
+                      where all aliases share the same underlying database.
+    - mirrored_aliases: mapping of mirror aliases to original aliases.
+    """
+    if aliases is None:
+        aliases = connections
+    mirrored_aliases = {}
+    test_databases = {}
+    dependencies = {}
+    default_sig = connections[DEFAULT_DB_ALIAS].creation.test_db_signature()
+
+    for alias in connections:
+        connection = connections[alias]
+        test_settings = connection.settings_dict["TEST"]
+
+        if test_settings["MIRROR"]:
+            # If the database is marked as a test mirror, save the alias.
+            mirrored_aliases[alias] = test_settings["MIRROR"]
+        elif alias in aliases:
+            # Store a tuple with DB parameters that uniquely identify it.
+            # If we have two aliases with the same values for that tuple,
+            # we only need to create the test database once.
+            item = test_databases.setdefault(
+                connection.creation.test_db_signature(),
+                (connection.settings_dict["NAME"], []),
+            )
+            # The default database must be the first because data migrations
+            # use the default alias by default.
+            if alias == DEFAULT_DB_ALIAS:
+                item[1].insert(0, alias)
+            else:
+                item[1].append(alias)
+
+            if "DEPENDENCIES" in test_settings:
+                dependencies[alias] = test_settings["DEPENDENCIES"]
+            else:
+                if (
+                    alias != DEFAULT_DB_ALIAS
+                    and connection.creation.test_db_signature() != default_sig
+                ):
+                    dependencies[alias] = test_settings.get(
+                        "DEPENDENCIES", [DEFAULT_DB_ALIAS]
+                    )
+
+    test_databases = dict(dependency_ordered(test_databases.items(), dependencies))
+    return test_databases, mirrored_aliases
+
+
+def teardown_databases(old_config, verbosity, parallel=0, keepdb=False):
+    """Destroy all the non-mirror databases."""
+    for connection, old_name, destroy in old_config:
+        if destroy:
+            if parallel > 1:
+                for index in range(parallel):
+                    connection.creation.destroy_test_db(
+                        suffix=str(index + 1),
+                        verbosity=verbosity,
+                        keepdb=keepdb,
+                    )
+            connection.creation.destroy_test_db(old_name, verbosity, keepdb)
+
+
+def get_runner(settings, test_runner_class=None):
+    test_runner_class = test_runner_class or settings.TEST_RUNNER
+    test_path = test_runner_class.split(".")
+    # Allow for relative paths
+    if len(test_path) > 1:
+        test_module_name = ".".join(test_path[:-1])
+    else:
+        test_module_name = "."
+    test_module = __import__(test_module_name, {}, {}, test_path[-1])
+    return getattr(test_module, test_path[-1])
+
+
+class TestContextDecorator:
+    """
+    A base class that can either be used as a context manager during tests
+    or as a test function or unittest.TestCase subclass decorator to perform
+    temporary alterations.
+
+    `attr_name`: attribute assigned the return value of enable() if used as
+                 a class decorator.
+
+    `kwarg_name`: keyword argument passing the return value of enable() if
+                  used as a function decorator.
+    """
+
+    def __init__(self, attr_name=None, kwarg_name=None):
+        self.attr_name = attr_name
+        self.kwarg_name = kwarg_name
+
+    def enable(self):
+        raise NotImplementedError
+
+    def disable(self):
+        raise NotImplementedError
+
+    def __enter__(self):
+        return self.enable()
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self.disable()
+
+    def decorate_class(self, cls):
+        if issubclass(cls, TestCase):
+            decorated_setUp = cls.setUp
+
+            def setUp(inner_self):
+                context = self.enable()
+                inner_self.addCleanup(self.disable)
+                if self.attr_name:
+                    setattr(inner_self, self.attr_name, context)
+                decorated_setUp(inner_self)
+
+            cls.setUp = setUp
+            return cls
+        raise TypeError("Can only decorate subclasses of unittest.TestCase")
+
+    def decorate_callable(self, func):
+        if iscoroutinefunction(func):
+            # If the inner function is an async function, we must execute async
+            # as well so that the `with` statement executes at the right time.
+            @wraps(func)
+            async def inner(*args, **kwargs):
+                with self as context:
+                    if self.kwarg_name:
+                        kwargs[self.kwarg_name] = context
+                    return await func(*args, **kwargs)
+
+        else:
+
+            @wraps(func)
+            def inner(*args, **kwargs):
+                with self as context:
+                    if self.kwarg_name:
+                        kwargs[self.kwarg_name] = context
+                    return func(*args, **kwargs)
+
+        return inner
+
+    def __call__(self, decorated):
+        if isinstance(decorated, type):
+            return self.decorate_class(decorated)
+        elif callable(decorated):
+            return self.decorate_callable(decorated)
+        raise TypeError("Cannot decorate object of type %s" % type(decorated))
+
+
+class override_settings(TestContextDecorator):
+    """
+    Act as either a decorator or a context manager. If it's a decorator, take a
+    function and return a wrapped function. If it's a contextmanager, use it
+    with the ``with`` statement. In either event, entering/exiting are called
+    before and after, respectively, the function/block is executed.
+    """
+
+    enable_exception = None
+
+    def __init__(self, **kwargs):
+        self.options = kwargs
+        super().__init__()
+
+    def enable(self):
+        # Keep this code at the beginning to leave the settings unchanged
+        # in case it raises an exception because INSTALLED_APPS is invalid.
+        if "INSTALLED_APPS" in self.options:
+            try:
+                apps.set_installed_apps(self.options["INSTALLED_APPS"])
+            except Exception:
+                apps.unset_installed_apps()
+                raise
+        override = UserSettingsHolder(settings._wrapped)
+        for key, new_value in self.options.items():
+            setattr(override, key, new_value)
+        self.wrapped = settings._wrapped
+        settings._wrapped = override
+        for key, new_value in self.options.items():
+            try:
+                setting_changed.send(
+                    sender=settings._wrapped.__class__,
+                    setting=key,
+                    value=new_value,
+                    enter=True,
+                )
+            except Exception as exc:
+                self.enable_exception = exc
+                self.disable()
+
+    def disable(self):
+        if "INSTALLED_APPS" in self.options:
+            apps.unset_installed_apps()
+        settings._wrapped = self.wrapped
+        del self.wrapped
+        responses = []
+        for key in self.options:
+            new_value = getattr(settings, key, None)
+            responses_for_setting = setting_changed.send_robust(
+                sender=settings._wrapped.__class__,
+                setting=key,
+                value=new_value,
+                enter=False,
+            )
+            responses.extend(responses_for_setting)
+        if self.enable_exception is not None:
+            exc = self.enable_exception
+            self.enable_exception = None
+            raise exc
+        for _, response in responses:
+            if isinstance(response, Exception):
+                raise response
+
+    def save_options(self, test_func):
+        if test_func._overridden_settings is None:
+            test_func._overridden_settings = self.options
+        else:
+            # Duplicate dict to prevent subclasses from altering their parent.
+            test_func._overridden_settings = {
+                **test_func._overridden_settings,
+                **self.options,
+            }
+
+    def decorate_class(self, cls):
+        from django.test import SimpleTestCase
+
+        if not issubclass(cls, SimpleTestCase):
+            raise ValueError(
+                "Only subclasses of Django SimpleTestCase can be decorated "
+                "with override_settings"
+            )
+        self.save_options(cls)
+        return cls
+
+
+class modify_settings(override_settings):
+    """
+    Like override_settings, but makes it possible to append, prepend, or remove
+    items instead of redefining the entire list.
+    """
+
+    def __init__(self, *args, **kwargs):
+        if args:
+            # Hack used when instantiating from SimpleTestCase.setUpClass.
+            assert not kwargs
+            self.operations = args[0]
+        else:
+            assert not args
+            self.operations = list(kwargs.items())
+        super(override_settings, self).__init__()
+
+    def save_options(self, test_func):
+        if test_func._modified_settings is None:
+            test_func._modified_settings = self.operations
+        else:
+            # Duplicate list to prevent subclasses from altering their parent.
+            test_func._modified_settings = (
+                list(test_func._modified_settings) + self.operations
+            )
+
+    def enable(self):
+        self.options = {}
+        for name, operations in self.operations:
+            try:
+                # When called from SimpleTestCase.setUpClass, values may be
+                # overridden several times; cumulate changes.
+                value = self.options[name]
+            except KeyError:
+                value = list(getattr(settings, name, []))
+            for action, items in operations.items():
+                # items may be a single value or an iterable.
+                if isinstance(items, str):
+                    items = [items]
+                if action == "append":
+                    value += [item for item in items if item not in value]
+                elif action == "prepend":
+                    value = [item for item in items if item not in value] + value
+                elif action == "remove":
+                    value = [item for item in value if item not in items]
+                else:
+                    raise ValueError("Unsupported action: %s" % action)
+            self.options[name] = value
+        super().enable()
+
+
+class override_system_checks(TestContextDecorator):
+    """
+    Act as a decorator. Override list of registered system checks.
+    Useful when you override `INSTALLED_APPS`, e.g. if you exclude `auth` app,
+    you also need to exclude its system checks.
+    """
+
+    def __init__(self, new_checks, deployment_checks=None):
+        from django.core.checks.registry import registry
+
+        self.registry = registry
+        self.new_checks = new_checks
+        self.deployment_checks = deployment_checks
+        super().__init__()
+
+    def enable(self):
+        self.old_checks = self.registry.registered_checks
+        self.registry.registered_checks = set()
+        for check in self.new_checks:
+            self.registry.register(check, *getattr(check, "tags", ()))
+        self.old_deployment_checks = self.registry.deployment_checks
+        if self.deployment_checks is not None:
+            self.registry.deployment_checks = set()
+            for check in self.deployment_checks:
+                self.registry.register(check, *getattr(check, "tags", ()), deploy=True)
+
+    def disable(self):
+        self.registry.registered_checks = self.old_checks
+        self.registry.deployment_checks = self.old_deployment_checks
+
+
+def compare_xml(want, got):
+    """
+    Try to do a 'xml-comparison' of want and got. Plain string comparison
+    doesn't always work because, for example, attribute ordering should not be
+    important. Ignore comment nodes, processing instructions, document type
+    node, and leading and trailing whitespaces.
+
+    Based on https://github.com/lxml/lxml/blob/master/src/lxml/doctestcompare.py
+    """
+    _norm_whitespace_re = re.compile(r"[ \t\n][ \t\n]+")
+
+    def norm_whitespace(v):
+        return _norm_whitespace_re.sub(" ", v)
+
+    def child_text(element):
+        return "".join(
+            c.data for c in element.childNodes if c.nodeType == Node.TEXT_NODE
+        )
+
+    def children(element):
+        return [c for c in element.childNodes if c.nodeType == Node.ELEMENT_NODE]
+
+    def norm_child_text(element):
+        return norm_whitespace(child_text(element))
+
+    def attrs_dict(element):
+        return dict(element.attributes.items())
+
+    def check_element(want_element, got_element):
+        if want_element.tagName != got_element.tagName:
+            return False
+        if norm_child_text(want_element) != norm_child_text(got_element):
+            return False
+        if attrs_dict(want_element) != attrs_dict(got_element):
+            return False
+        want_children = children(want_element)
+        got_children = children(got_element)
+        if len(want_children) != len(got_children):
+            return False
+        return all(
+            check_element(want, got) for want, got in zip(want_children, got_children)
+        )
+
+    def first_node(document):
+        for node in document.childNodes:
+            if node.nodeType not in (
+                Node.COMMENT_NODE,
+                Node.DOCUMENT_TYPE_NODE,
+                Node.PROCESSING_INSTRUCTION_NODE,
+            ):
+                return node
+
+    want = want.strip().replace("\\n", "\n")
+    got = got.strip().replace("\\n", "\n")
+
+    # If the string is not a complete xml document, we may need to add a
+    # root element. This allow us to compare fragments, like "<foo/><bar/>"
+    if not want.startswith("<?xml"):
+        wrapper = "<root>%s</root>"
+        want = wrapper % want
+        got = wrapper % got
+
+    # Parse the want and got strings, and compare the parsings.
+    want_root = first_node(parseString(want))
+    got_root = first_node(parseString(got))
+
+    return check_element(want_root, got_root)
+
+
+class CaptureQueriesContext:
+    """
+    Context manager that captures queries executed by the specified connection.
+    """
+
+    def __init__(self, connection):
+        self.connection = connection
+
+    def __iter__(self):
+        return iter(self.captured_queries)
+
+    def __getitem__(self, index):
+        return self.captured_queries[index]
+
+    def __len__(self):
+        return len(self.captured_queries)
+
+    @property
+    def captured_queries(self):
+        return self.connection.queries[self.initial_queries : self.final_queries]
+
+    def __enter__(self):
+        self.force_debug_cursor = self.connection.force_debug_cursor
+        self.connection.force_debug_cursor = True
+        # Run any initialization queries if needed so that they won't be
+        # included as part of the count.
+        self.connection.ensure_connection()
+        self.initial_queries = len(self.connection.queries_log)
+        self.final_queries = None
+        request_started.disconnect(reset_queries)
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self.connection.force_debug_cursor = self.force_debug_cursor
+        request_started.connect(reset_queries)
+        if exc_type is not None:
+            return
+        self.final_queries = len(self.connection.queries_log)
+
+
+class ignore_warnings(TestContextDecorator):
+    def __init__(self, **kwargs):
+        self.ignore_kwargs = kwargs
+        if "message" in self.ignore_kwargs or "module" in self.ignore_kwargs:
+            self.filter_func = warnings.filterwarnings
+        else:
+            self.filter_func = warnings.simplefilter
+        super().__init__()
+
+    def enable(self):
+        self.catch_warnings = warnings.catch_warnings()
+        self.catch_warnings.__enter__()
+        self.filter_func("ignore", **self.ignore_kwargs)
+
+    def disable(self):
+        self.catch_warnings.__exit__(*sys.exc_info())
+
+
+# On OSes that don't provide tzset (Windows), we can't set the timezone
+# in which the program runs. As a consequence, we must skip tests that
+# don't enforce a specific timezone (with timezone.override or equivalent),
+# or attempt to interpret naive datetimes in the default timezone.
+
+requires_tz_support = skipUnless(
+    TZ_SUPPORT,
+    "This test relies on the ability to run a program in an arbitrary "
+    "time zone, but your operating system isn't able to do that.",
+)
+
+
+@contextmanager
+def extend_sys_path(*paths):
+    """Context manager to temporarily add paths to sys.path."""
+    _orig_sys_path = sys.path[:]
+    sys.path.extend(paths)
+    try:
+        yield
+    finally:
+        sys.path = _orig_sys_path
+
+
+@contextmanager
+def isolate_lru_cache(lru_cache_object):
+    """Clear the cache of an LRU cache object on entering and exiting."""
+    lru_cache_object.cache_clear()
+    try:
+        yield
+    finally:
+        lru_cache_object.cache_clear()
+
+
+@contextmanager
+def captured_output(stream_name):
+    """Return a context manager used by captured_stdout/stdin/stderr
+    that temporarily replaces the sys stream *stream_name* with a StringIO.
+
+    Note: This function and the following ``captured_std*`` are copied
+          from CPython's ``test.support`` module."""
+    orig_stdout = getattr(sys, stream_name)
+    setattr(sys, stream_name, StringIO())
+    try:
+        yield getattr(sys, stream_name)
+    finally:
+        setattr(sys, stream_name, orig_stdout)
+
+
+def captured_stdout():
+    """Capture the output of sys.stdout:
+
+    with captured_stdout() as stdout:
+        print("hello")
+    self.assertEqual(stdout.getvalue(), "hello\n")
+    """
+    return captured_output("stdout")
+
+
+def captured_stderr():
+    """Capture the output of sys.stderr:
+
+    with captured_stderr() as stderr:
+        print("hello", file=sys.stderr)
+    self.assertEqual(stderr.getvalue(), "hello\n")
+    """
+    return captured_output("stderr")
+
+
+def captured_stdin():
+    """Capture the input to sys.stdin:
+
+    with captured_stdin() as stdin:
+        stdin.write('hello\n')
+        stdin.seek(0)
+        # call test code that consumes from sys.stdin
+        captured = input()
+    self.assertEqual(captured, "hello")
+    """
+    return captured_output("stdin")
+
+
+@contextmanager
+def freeze_time(t):
+    """
+    Context manager to temporarily freeze time.time(). This temporarily
+    modifies the time function of the time module. Modules which import the
+    time function directly (e.g. `from time import time`) won't be affected
+    This isn't meant as a public API, but helps reduce some repetitive code in
+    Django's test suite.
+    """
+    _real_time = time.time
+    time.time = lambda: t
+    try:
+        yield
+    finally:
+        time.time = _real_time
+
+
+def require_jinja2(test_func):
+    """
+    Decorator to enable a Jinja2 template engine in addition to the regular
+    Django template engine for a test or skip it if Jinja2 isn't available.
+    """
+    test_func = skipIf(jinja2 is None, "this test requires jinja2")(test_func)
+    return override_settings(
+        TEMPLATES=[
+            {
+                "BACKEND": "django.template.backends.django.DjangoTemplates",
+                "APP_DIRS": True,
+            },
+            {
+                "BACKEND": "django.template.backends.jinja2.Jinja2",
+                "APP_DIRS": True,
+                "OPTIONS": {"keep_trailing_newline": True},
+            },
+        ]
+    )(test_func)
+
+
+class override_script_prefix(TestContextDecorator):
+    """Decorator or context manager to temporary override the script prefix."""
+
+    def __init__(self, prefix):
+        self.prefix = prefix
+        super().__init__()
+
+    def enable(self):
+        self.old_prefix = get_script_prefix()
+        set_script_prefix(self.prefix)
+
+    def disable(self):
+        set_script_prefix(self.old_prefix)
+
+
+class LoggingCaptureMixin:
+    """
+    Capture the output from the 'django' logger and store it on the class's
+    logger_output attribute.
+    """
+
+    def setUp(self):
+        self.logger = logging.getLogger("django")
+        self.old_stream = self.logger.handlers[0].stream
+        self.logger_output = StringIO()
+        self.logger.handlers[0].stream = self.logger_output
+
+    def tearDown(self):
+        self.logger.handlers[0].stream = self.old_stream
+
+
+class isolate_apps(TestContextDecorator):
+    """
+    Act as either a decorator or a context manager to register models defined
+    in its wrapped context to an isolated registry.
+
+    The list of installed apps the isolated registry should contain must be
+    passed as arguments.
+
+    Two optional keyword arguments can be specified:
+
+    `attr_name`: attribute assigned the isolated registry if used as a class
+                 decorator.
+
+    `kwarg_name`: keyword argument passing the isolated registry if used as a
+                  function decorator.
+    """
+
+    def __init__(self, *installed_apps, **kwargs):
+        self.installed_apps = installed_apps
+        super().__init__(**kwargs)
+
+    def enable(self):
+        self.old_apps = Options.default_apps
+        apps = Apps(self.installed_apps)
+        setattr(Options, "default_apps", apps)
+        return apps
+
+    def disable(self):
+        setattr(Options, "default_apps", self.old_apps)
+
+
+class TimeKeeper:
+    def __init__(self):
+        self.records = collections.defaultdict(list)
+
+    @contextmanager
+    def timed(self, name):
+        self.records[name]
+        start_time = time.perf_counter()
+        try:
+            yield
+        finally:
+            end_time = time.perf_counter() - start_time
+            self.records[name].append(end_time)
+
+    def print_results(self):
+        for name, end_times in self.records.items():
+            for record_time in end_times:
+                record = "%s took %.3fs" % (name, record_time)
+                sys.stderr.write(record + os.linesep)
+
+
+class NullTimeKeeper:
+    @contextmanager
+    def timed(self, name):
+        yield
+
+    def print_results(self):
+        pass
+
+
+def tag(*tags):
+    """Decorator to add tags to a test class or method."""
+
+    def decorator(obj):
+        if hasattr(obj, "tags"):
+            obj.tags = obj.tags.union(tags)
+        else:
+            setattr(obj, "tags", set(tags))
+        return obj
+
+    return decorator
+
+
+@contextmanager
+def register_lookup(field, *lookups, lookup_name=None):
+    """
+    Context manager to temporarily register lookups on a model field using
+    lookup_name (or the lookup's lookup_name if not provided).
+    """
+    try:
+        for lookup in lookups:
+            field.register_lookup(lookup, lookup_name)
+        yield
+    finally:
+        for lookup in lookups:
+            field._unregister_lookup(lookup, lookup_name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/__init__.py
new file mode 100644
index 00000000..9aaf4814
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/__init__.py
@@ -0,0 +1,53 @@
+from .base import (
+    clear_script_prefix,
+    clear_url_caches,
+    get_script_prefix,
+    get_urlconf,
+    is_valid_path,
+    resolve,
+    reverse,
+    reverse_lazy,
+    set_script_prefix,
+    set_urlconf,
+    translate_url,
+)
+from .conf import include, path, re_path
+from .converters import register_converter
+from .exceptions import NoReverseMatch, Resolver404
+from .resolvers import (
+    LocalePrefixPattern,
+    ResolverMatch,
+    URLPattern,
+    URLResolver,
+    get_ns_resolver,
+    get_resolver,
+)
+from .utils import get_callable, get_mod_func
+
+__all__ = [
+    "LocalePrefixPattern",
+    "NoReverseMatch",
+    "URLPattern",
+    "URLResolver",
+    "Resolver404",
+    "ResolverMatch",
+    "clear_script_prefix",
+    "clear_url_caches",
+    "get_callable",
+    "get_mod_func",
+    "get_ns_resolver",
+    "get_resolver",
+    "get_script_prefix",
+    "get_urlconf",
+    "include",
+    "is_valid_path",
+    "path",
+    "re_path",
+    "register_converter",
+    "resolve",
+    "reverse",
+    "reverse_lazy",
+    "set_script_prefix",
+    "set_urlconf",
+    "translate_url",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/base.py
new file mode 100644
index 00000000..753779c7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/base.py
@@ -0,0 +1,187 @@
+from urllib.parse import unquote, urlsplit, urlunsplit
+
+from asgiref.local import Local
+
+from django.utils.functional import lazy
+from django.utils.translation import override
+
+from .exceptions import NoReverseMatch, Resolver404
+from .resolvers import _get_cached_resolver, get_ns_resolver, get_resolver
+from .utils import get_callable
+
+# SCRIPT_NAME prefixes for each thread are stored here. If there's no entry for
+# the current thread (which is the only one we ever access), it is assumed to
+# be empty.
+_prefixes = Local()
+
+# Overridden URLconfs for each thread are stored here.
+_urlconfs = Local()
+
+
+def resolve(path, urlconf=None):
+    if urlconf is None:
+        urlconf = get_urlconf()
+    return get_resolver(urlconf).resolve(path)
+
+
+def reverse(viewname, urlconf=None, args=None, kwargs=None, current_app=None):
+    if urlconf is None:
+        urlconf = get_urlconf()
+    resolver = get_resolver(urlconf)
+    args = args or []
+    kwargs = kwargs or {}
+
+    prefix = get_script_prefix()
+
+    if not isinstance(viewname, str):
+        view = viewname
+    else:
+        *path, view = viewname.split(":")
+
+        if current_app:
+            current_path = current_app.split(":")
+            current_path.reverse()
+        else:
+            current_path = None
+
+        resolved_path = []
+        ns_pattern = ""
+        ns_converters = {}
+        for ns in path:
+            current_ns = current_path.pop() if current_path else None
+            # Lookup the name to see if it could be an app identifier.
+            try:
+                app_list = resolver.app_dict[ns]
+                # Yes! Path part matches an app in the current Resolver.
+                if current_ns and current_ns in app_list:
+                    # If we are reversing for a particular app, use that
+                    # namespace.
+                    ns = current_ns
+                elif ns not in app_list:
+                    # The name isn't shared by one of the instances (i.e.,
+                    # the default) so pick the first instance as the default.
+                    ns = app_list[0]
+            except KeyError:
+                pass
+
+            if ns != current_ns:
+                current_path = None
+
+            try:
+                extra, resolver = resolver.namespace_dict[ns]
+                resolved_path.append(ns)
+                ns_pattern += extra
+                ns_converters.update(resolver.pattern.converters)
+            except KeyError as key:
+                if resolved_path:
+                    raise NoReverseMatch(
+                        "%s is not a registered namespace inside '%s'"
+                        % (key, ":".join(resolved_path))
+                    )
+                else:
+                    raise NoReverseMatch("%s is not a registered namespace" % key)
+        if ns_pattern:
+            resolver = get_ns_resolver(
+                ns_pattern, resolver, tuple(ns_converters.items())
+            )
+
+    return resolver._reverse_with_prefix(view, prefix, *args, **kwargs)
+
+
+reverse_lazy = lazy(reverse, str)
+
+
+def clear_url_caches():
+    get_callable.cache_clear()
+    _get_cached_resolver.cache_clear()
+    get_ns_resolver.cache_clear()
+
+
+def set_script_prefix(prefix):
+    """
+    Set the script prefix for the current thread.
+    """
+    if not prefix.endswith("/"):
+        prefix += "/"
+    _prefixes.value = prefix
+
+
+def get_script_prefix():
+    """
+    Return the currently active script prefix. Useful for client code that
+    wishes to construct their own URLs manually (although accessing the request
+    instance is normally going to be a lot cleaner).
+    """
+    return getattr(_prefixes, "value", "/")
+
+
+def clear_script_prefix():
+    """
+    Unset the script prefix for the current thread.
+    """
+    try:
+        del _prefixes.value
+    except AttributeError:
+        pass
+
+
+def set_urlconf(urlconf_name):
+    """
+    Set the URLconf for the current thread (overriding the default one in
+    settings). If urlconf_name is None, revert back to the default.
+    """
+    if urlconf_name:
+        _urlconfs.value = urlconf_name
+    else:
+        if hasattr(_urlconfs, "value"):
+            del _urlconfs.value
+
+
+def get_urlconf(default=None):
+    """
+    Return the root URLconf to use for the current thread if it has been
+    changed from the default one.
+    """
+    return getattr(_urlconfs, "value", default)
+
+
+def is_valid_path(path, urlconf=None):
+    """
+    Return the ResolverMatch if the given path resolves against the default URL
+    resolver, False otherwise. This is a convenience method to make working
+    with "is this a match?" cases easier, avoiding try...except blocks.
+    """
+    try:
+        return resolve(path, urlconf)
+    except Resolver404:
+        return False
+
+
+def translate_url(url, lang_code):
+    """
+    Given a URL (absolute or relative), try to get its translated version in
+    the `lang_code` language (either by i18n_patterns or by translated regex).
+    Return the original URL if no translated version is found.
+    """
+    parsed = urlsplit(url)
+    try:
+        # URL may be encoded.
+        match = resolve(unquote(parsed.path))
+    except Resolver404:
+        pass
+    else:
+        to_be_reversed = (
+            "%s:%s" % (match.namespace, match.url_name)
+            if match.namespace
+            else match.url_name
+        )
+        with override(lang_code):
+            try:
+                url = reverse(to_be_reversed, args=match.args, kwargs=match.kwargs)
+            except NoReverseMatch:
+                pass
+            else:
+                url = urlunsplit(
+                    (parsed.scheme, parsed.netloc, url, parsed.query, parsed.fragment)
+                )
+    return url
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/conf.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/conf.py
new file mode 100644
index 00000000..bb61063d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/conf.py
@@ -0,0 +1,96 @@
+"""Functions for use in URLsconfs."""
+
+from functools import partial
+from importlib import import_module
+
+from django.core.exceptions import ImproperlyConfigured
+
+from .resolvers import (
+    LocalePrefixPattern,
+    RegexPattern,
+    RoutePattern,
+    URLPattern,
+    URLResolver,
+)
+
+
+def include(arg, namespace=None):
+    app_name = None
+    if isinstance(arg, tuple):
+        # Callable returning a namespace hint.
+        try:
+            urlconf_module, app_name = arg
+        except ValueError:
+            if namespace:
+                raise ImproperlyConfigured(
+                    "Cannot override the namespace for a dynamic module that "
+                    "provides a namespace."
+                )
+            raise ImproperlyConfigured(
+                "Passing a %d-tuple to include() is not supported. Pass a "
+                "2-tuple containing the list of patterns and app_name, and "
+                "provide the namespace argument to include() instead." % len(arg)
+            )
+    else:
+        # No namespace hint - use manually provided namespace.
+        urlconf_module = arg
+
+    if isinstance(urlconf_module, str):
+        urlconf_module = import_module(urlconf_module)
+    patterns = getattr(urlconf_module, "urlpatterns", urlconf_module)
+    app_name = getattr(urlconf_module, "app_name", app_name)
+    if namespace and not app_name:
+        raise ImproperlyConfigured(
+            "Specifying a namespace in include() without providing an app_name "
+            "is not supported. Set the app_name attribute in the included "
+            "module, or pass a 2-tuple containing the list of patterns and "
+            "app_name instead.",
+        )
+    namespace = namespace or app_name
+    # Make sure the patterns can be iterated through (without this, some
+    # testcases will break).
+    if isinstance(patterns, (list, tuple)):
+        for url_pattern in patterns:
+            pattern = getattr(url_pattern, "pattern", None)
+            if isinstance(pattern, LocalePrefixPattern):
+                raise ImproperlyConfigured(
+                    "Using i18n_patterns in an included URLconf is not allowed."
+                )
+    return (urlconf_module, app_name, namespace)
+
+
+def _path(route, view, kwargs=None, name=None, Pattern=None):
+    from django.views import View
+
+    if kwargs is not None and not isinstance(kwargs, dict):
+        raise TypeError(
+            f"kwargs argument must be a dict, but got {kwargs.__class__.__name__}."
+        )
+    if isinstance(view, (list, tuple)):
+        # For include(...) processing.
+        pattern = Pattern(route, is_endpoint=False)
+        urlconf_module, app_name, namespace = view
+        return URLResolver(
+            pattern,
+            urlconf_module,
+            kwargs,
+            app_name=app_name,
+            namespace=namespace,
+        )
+    elif callable(view):
+        pattern = Pattern(route, name=name, is_endpoint=True)
+        return URLPattern(pattern, view, kwargs, name)
+    elif isinstance(view, View):
+        view_cls_name = view.__class__.__name__
+        raise TypeError(
+            f"view must be a callable, pass {view_cls_name}.as_view(), not "
+            f"{view_cls_name}()."
+        )
+    else:
+        raise TypeError(
+            "view must be a callable or a list/tuple in the case of include()."
+        )
+
+
+path = partial(_path, Pattern=RoutePattern)
+re_path = partial(_path, Pattern=RegexPattern)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/converters.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/converters.py
new file mode 100644
index 00000000..96528235
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/converters.py
@@ -0,0 +1,66 @@
+import functools
+import uuid
+
+
+class IntConverter:
+    regex = "[0-9]+"
+
+    def to_python(self, value):
+        return int(value)
+
+    def to_url(self, value):
+        return str(value)
+
+
+class StringConverter:
+    regex = "[^/]+"
+
+    def to_python(self, value):
+        return value
+
+    def to_url(self, value):
+        return value
+
+
+class UUIDConverter:
+    regex = "[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}"
+
+    def to_python(self, value):
+        return uuid.UUID(value)
+
+    def to_url(self, value):
+        return str(value)
+
+
+class SlugConverter(StringConverter):
+    regex = "[-a-zA-Z0-9_]+"
+
+
+class PathConverter(StringConverter):
+    regex = ".+"
+
+
+DEFAULT_CONVERTERS = {
+    "int": IntConverter(),
+    "path": PathConverter(),
+    "slug": SlugConverter(),
+    "str": StringConverter(),
+    "uuid": UUIDConverter(),
+}
+
+
+REGISTERED_CONVERTERS = {}
+
+
+def register_converter(converter, type_name):
+    REGISTERED_CONVERTERS[type_name] = converter()
+    get_converters.cache_clear()
+
+
+@functools.cache
+def get_converters():
+    return {**DEFAULT_CONVERTERS, **REGISTERED_CONVERTERS}
+
+
+def get_converter(raw_converter):
+    return get_converters()[raw_converter]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/exceptions.py
new file mode 100644
index 00000000..87bf5284
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/exceptions.py
@@ -0,0 +1,9 @@
+from django.http import Http404
+
+
+class Resolver404(Http404):
+    pass
+
+
+class NoReverseMatch(Exception):
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/resolvers.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/resolvers.py
new file mode 100644
index 00000000..3607c842
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/resolvers.py
@@ -0,0 +1,851 @@
+"""
+This module converts requested URLs to callback view functions.
+
+URLResolver is the main class here. Its resolve() method takes a URL (as
+a string) and returns a ResolverMatch object which provides access to all
+attributes of the resolved URL match.
+"""
+
+import functools
+import inspect
+import re
+import string
+from importlib import import_module
+from pickle import PicklingError
+from urllib.parse import quote
+
+from asgiref.local import Local
+
+from django.conf import settings
+from django.core.checks import Error, Warning
+from django.core.checks.urls import check_resolver
+from django.core.exceptions import ImproperlyConfigured, ViewDoesNotExist
+from django.utils.datastructures import MultiValueDict
+from django.utils.functional import cached_property
+from django.utils.http import RFC3986_SUBDELIMS, escape_leading_slashes
+from django.utils.regex_helper import _lazy_re_compile, normalize
+from django.utils.translation import get_language
+
+from .converters import get_converter
+from .exceptions import NoReverseMatch, Resolver404
+from .utils import get_callable
+
+
+class ResolverMatch:
+    def __init__(
+        self,
+        func,
+        args,
+        kwargs,
+        url_name=None,
+        app_names=None,
+        namespaces=None,
+        route=None,
+        tried=None,
+        captured_kwargs=None,
+        extra_kwargs=None,
+    ):
+        self.func = func
+        self.args = args
+        self.kwargs = kwargs
+        self.url_name = url_name
+        self.route = route
+        self.tried = tried
+        self.captured_kwargs = captured_kwargs
+        self.extra_kwargs = extra_kwargs
+
+        # If a URLRegexResolver doesn't have a namespace or app_name, it passes
+        # in an empty value.
+        self.app_names = [x for x in app_names if x] if app_names else []
+        self.app_name = ":".join(self.app_names)
+        self.namespaces = [x for x in namespaces if x] if namespaces else []
+        self.namespace = ":".join(self.namespaces)
+
+        if hasattr(func, "view_class"):
+            func = func.view_class
+        if not hasattr(func, "__name__"):
+            # A class-based view
+            self._func_path = func.__class__.__module__ + "." + func.__class__.__name__
+        else:
+            # A function-based view
+            self._func_path = func.__module__ + "." + func.__name__
+
+        view_path = url_name or self._func_path
+        self.view_name = ":".join(self.namespaces + [view_path])
+
+    def __getitem__(self, index):
+        return (self.func, self.args, self.kwargs)[index]
+
+    def __repr__(self):
+        if isinstance(self.func, functools.partial):
+            func = repr(self.func)
+        else:
+            func = self._func_path
+        return (
+            "ResolverMatch(func=%s, args=%r, kwargs=%r, url_name=%r, "
+            "app_names=%r, namespaces=%r, route=%r%s%s)"
+            % (
+                func,
+                self.args,
+                self.kwargs,
+                self.url_name,
+                self.app_names,
+                self.namespaces,
+                self.route,
+                (
+                    f", captured_kwargs={self.captured_kwargs!r}"
+                    if self.captured_kwargs
+                    else ""
+                ),
+                f", extra_kwargs={self.extra_kwargs!r}" if self.extra_kwargs else "",
+            )
+        )
+
+    def __reduce_ex__(self, protocol):
+        raise PicklingError(f"Cannot pickle {self.__class__.__qualname__}.")
+
+
+def get_resolver(urlconf=None):
+    if urlconf is None:
+        urlconf = settings.ROOT_URLCONF
+    return _get_cached_resolver(urlconf)
+
+
+@functools.cache
+def _get_cached_resolver(urlconf=None):
+    return URLResolver(RegexPattern(r"^/"), urlconf)
+
+
+@functools.cache
+def get_ns_resolver(ns_pattern, resolver, converters):
+    # Build a namespaced resolver for the given parent URLconf pattern.
+    # This makes it possible to have captured parameters in the parent
+    # URLconf pattern.
+    pattern = RegexPattern(ns_pattern)
+    pattern.converters = dict(converters)
+    ns_resolver = URLResolver(pattern, resolver.url_patterns)
+    return URLResolver(RegexPattern(r"^/"), [ns_resolver])
+
+
+class LocaleRegexDescriptor:
+    def __init__(self, attr):
+        self.attr = attr
+
+    def __get__(self, instance, cls=None):
+        """
+        Return a compiled regular expression based on the active language.
+        """
+        if instance is None:
+            return self
+        # As a performance optimization, if the given regex string is a regular
+        # string (not a lazily-translated string proxy), compile it once and
+        # avoid per-language compilation.
+        pattern = getattr(instance, self.attr)
+        if isinstance(pattern, str):
+            instance.__dict__["regex"] = instance._compile(pattern)
+            return instance.__dict__["regex"]
+        language_code = get_language()
+        if language_code not in instance._regex_dict:
+            instance._regex_dict[language_code] = instance._compile(str(pattern))
+        return instance._regex_dict[language_code]
+
+
+class CheckURLMixin:
+    def describe(self):
+        """
+        Format the URL pattern for display in warning messages.
+        """
+        description = "'{}'".format(self)
+        if self.name:
+            description += " [name='{}']".format(self.name)
+        return description
+
+    def _check_pattern_startswith_slash(self):
+        """
+        Check that the pattern does not begin with a forward slash.
+        """
+        regex_pattern = self.regex.pattern
+        if not settings.APPEND_SLASH:
+            # Skip check as it can be useful to start a URL pattern with a slash
+            # when APPEND_SLASH=False.
+            return []
+        if regex_pattern.startswith(("/", "^/", "^\\/")) and not regex_pattern.endswith(
+            "/"
+        ):
+            warning = Warning(
+                "Your URL pattern {} has a route beginning with a '/'. Remove this "
+                "slash as it is unnecessary. If this pattern is targeted in an "
+                "include(), ensure the include() pattern has a trailing '/'.".format(
+                    self.describe()
+                ),
+                id="urls.W002",
+            )
+            return [warning]
+        else:
+            return []
+
+
+class RegexPattern(CheckURLMixin):
+    regex = LocaleRegexDescriptor("_regex")
+
+    def __init__(self, regex, name=None, is_endpoint=False):
+        self._regex = regex
+        self._regex_dict = {}
+        self._is_endpoint = is_endpoint
+        self.name = name
+        self.converters = {}
+
+    def match(self, path):
+        match = (
+            self.regex.fullmatch(path)
+            if self._is_endpoint and self.regex.pattern.endswith("$")
+            else self.regex.search(path)
+        )
+        if match:
+            # If there are any named groups, use those as kwargs, ignoring
+            # non-named groups. Otherwise, pass all non-named arguments as
+            # positional arguments.
+            kwargs = match.groupdict()
+            args = () if kwargs else match.groups()
+            kwargs = {k: v for k, v in kwargs.items() if v is not None}
+            return path[match.end() :], args, kwargs
+        return None
+
+    def check(self):
+        warnings = []
+        warnings.extend(self._check_pattern_startswith_slash())
+        if not self._is_endpoint:
+            warnings.extend(self._check_include_trailing_dollar())
+        return warnings
+
+    def _check_include_trailing_dollar(self):
+        regex_pattern = self.regex.pattern
+        if regex_pattern.endswith("$") and not regex_pattern.endswith(r"\$"):
+            return [
+                Warning(
+                    "Your URL pattern {} uses include with a route ending with a '$'. "
+                    "Remove the dollar from the route to avoid problems including "
+                    "URLs.".format(self.describe()),
+                    id="urls.W001",
+                )
+            ]
+        else:
+            return []
+
+    def _compile(self, regex):
+        """Compile and return the given regular expression."""
+        try:
+            return re.compile(regex)
+        except re.error as e:
+            raise ImproperlyConfigured(
+                '"%s" is not a valid regular expression: %s' % (regex, e)
+            ) from e
+
+    def __str__(self):
+        return str(self._regex)
+
+
+_PATH_PARAMETER_COMPONENT_RE = _lazy_re_compile(
+    r"<(?:(?P<converter>[^>:]+):)?(?P<parameter>[^>]+)>"
+)
+
+
+def _route_to_regex(route, is_endpoint=False):
+    """
+    Convert a path pattern into a regular expression. Return the regular
+    expression and a dictionary mapping the capture names to the converters.
+    For example, 'foo/<int:pk>' returns '^foo\\/(?P<pk>[0-9]+)'
+    and {'pk': <django.urls.converters.IntConverter>}.
+    """
+    original_route = route
+    parts = ["^"]
+    converters = {}
+    while True:
+        match = _PATH_PARAMETER_COMPONENT_RE.search(route)
+        if not match:
+            parts.append(re.escape(route))
+            break
+        elif not set(match.group()).isdisjoint(string.whitespace):
+            raise ImproperlyConfigured(
+                "URL route '%s' cannot contain whitespace in angle brackets "
+                "<…>." % original_route
+            )
+        parts.append(re.escape(route[: match.start()]))
+        route = route[match.end() :]
+        parameter = match["parameter"]
+        if not parameter.isidentifier():
+            raise ImproperlyConfigured(
+                "URL route '%s' uses parameter name %r which isn't a valid "
+                "Python identifier." % (original_route, parameter)
+            )
+        raw_converter = match["converter"]
+        if raw_converter is None:
+            # If a converter isn't specified, the default is `str`.
+            raw_converter = "str"
+        try:
+            converter = get_converter(raw_converter)
+        except KeyError as e:
+            raise ImproperlyConfigured(
+                "URL route %r uses invalid converter %r."
+                % (original_route, raw_converter)
+            ) from e
+        converters[parameter] = converter
+        parts.append("(?P<" + parameter + ">" + converter.regex + ")")
+    if is_endpoint:
+        parts.append(r"\Z")
+    return "".join(parts), converters
+
+
+class RoutePattern(CheckURLMixin):
+    regex = LocaleRegexDescriptor("_route")
+
+    def __init__(self, route, name=None, is_endpoint=False):
+        self._route = route
+        self._regex_dict = {}
+        self._is_endpoint = is_endpoint
+        self.name = name
+        self.converters = _route_to_regex(str(route), is_endpoint)[1]
+
+    def match(self, path):
+        match = self.regex.search(path)
+        if match:
+            # RoutePattern doesn't allow non-named groups so args are ignored.
+            kwargs = match.groupdict()
+            for key, value in kwargs.items():
+                converter = self.converters[key]
+                try:
+                    kwargs[key] = converter.to_python(value)
+                except ValueError:
+                    return None
+            return path[match.end() :], (), kwargs
+        return None
+
+    def check(self):
+        warnings = [
+            *self._check_pattern_startswith_slash(),
+            *self._check_pattern_unmatched_angle_brackets(),
+        ]
+        route = self._route
+        if "(?P<" in route or route.startswith("^") or route.endswith("$"):
+            warnings.append(
+                Warning(
+                    "Your URL pattern {} has a route that contains '(?P<', begins "
+                    "with a '^', or ends with a '$'. This was likely an oversight "
+                    "when migrating to django.urls.path().".format(self.describe()),
+                    id="2_0.W001",
+                )
+            )
+        return warnings
+
+    def _check_pattern_unmatched_angle_brackets(self):
+        warnings = []
+        msg = "Your URL pattern %s has an unmatched '%s' bracket."
+        brackets = re.findall(r"[<>]", str(self._route))
+        open_bracket_counter = 0
+        for bracket in brackets:
+            if bracket == "<":
+                open_bracket_counter += 1
+            elif bracket == ">":
+                open_bracket_counter -= 1
+                if open_bracket_counter < 0:
+                    warnings.append(
+                        Warning(msg % (self.describe(), ">"), id="urls.W010")
+                    )
+                    open_bracket_counter = 0
+        if open_bracket_counter > 0:
+            warnings.append(Warning(msg % (self.describe(), "<"), id="urls.W010"))
+        return warnings
+
+    def _compile(self, route):
+        return re.compile(_route_to_regex(route, self._is_endpoint)[0])
+
+    def __str__(self):
+        return str(self._route)
+
+
+class LocalePrefixPattern:
+    def __init__(self, prefix_default_language=True):
+        self.prefix_default_language = prefix_default_language
+        self.converters = {}
+
+    @property
+    def regex(self):
+        # This is only used by reverse() and cached in _reverse_dict.
+        return re.compile(re.escape(self.language_prefix))
+
+    @property
+    def language_prefix(self):
+        language_code = get_language() or settings.LANGUAGE_CODE
+        if language_code == settings.LANGUAGE_CODE and not self.prefix_default_language:
+            return ""
+        else:
+            return "%s/" % language_code
+
+    def match(self, path):
+        language_prefix = self.language_prefix
+        if path.startswith(language_prefix):
+            return path.removeprefix(language_prefix), (), {}
+        return None
+
+    def check(self):
+        return []
+
+    def describe(self):
+        return "'{}'".format(self)
+
+    def __str__(self):
+        return self.language_prefix
+
+
+class URLPattern:
+    def __init__(self, pattern, callback, default_args=None, name=None):
+        self.pattern = pattern
+        self.callback = callback  # the view
+        self.default_args = default_args or {}
+        self.name = name
+
+    def __repr__(self):
+        return "<%s %s>" % (self.__class__.__name__, self.pattern.describe())
+
+    def check(self):
+        warnings = self._check_pattern_name()
+        warnings.extend(self.pattern.check())
+        warnings.extend(self._check_callback())
+        return warnings
+
+    def _check_pattern_name(self):
+        """
+        Check that the pattern name does not contain a colon.
+        """
+        if self.pattern.name is not None and ":" in self.pattern.name:
+            warning = Warning(
+                "Your URL pattern {} has a name including a ':'. Remove the colon, to "
+                "avoid ambiguous namespace references.".format(self.pattern.describe()),
+                id="urls.W003",
+            )
+            return [warning]
+        else:
+            return []
+
+    def _check_callback(self):
+        from django.views import View
+
+        view = self.callback
+        if inspect.isclass(view) and issubclass(view, View):
+            return [
+                Error(
+                    "Your URL pattern %s has an invalid view, pass %s.as_view() "
+                    "instead of %s."
+                    % (
+                        self.pattern.describe(),
+                        view.__name__,
+                        view.__name__,
+                    ),
+                    id="urls.E009",
+                )
+            ]
+        return []
+
+    def resolve(self, path):
+        match = self.pattern.match(path)
+        if match:
+            new_path, args, captured_kwargs = match
+            # Pass any default args as **kwargs.
+            kwargs = {**captured_kwargs, **self.default_args}
+            return ResolverMatch(
+                self.callback,
+                args,
+                kwargs,
+                self.pattern.name,
+                route=str(self.pattern),
+                captured_kwargs=captured_kwargs,
+                extra_kwargs=self.default_args,
+            )
+
+    @cached_property
+    def lookup_str(self):
+        """
+        A string that identifies the view (e.g. 'path.to.view_function' or
+        'path.to.ClassBasedView').
+        """
+        callback = self.callback
+        if isinstance(callback, functools.partial):
+            callback = callback.func
+        if hasattr(callback, "view_class"):
+            callback = callback.view_class
+        elif not hasattr(callback, "__name__"):
+            return callback.__module__ + "." + callback.__class__.__name__
+        return callback.__module__ + "." + callback.__qualname__
+
+
+class URLResolver:
+    def __init__(
+        self, pattern, urlconf_name, default_kwargs=None, app_name=None, namespace=None
+    ):
+        self.pattern = pattern
+        # urlconf_name is the dotted Python path to the module defining
+        # urlpatterns. It may also be an object with an urlpatterns attribute
+        # or urlpatterns itself.
+        self.urlconf_name = urlconf_name
+        self.callback = None
+        self.default_kwargs = default_kwargs or {}
+        self.namespace = namespace
+        self.app_name = app_name
+        self._reverse_dict = {}
+        self._namespace_dict = {}
+        self._app_dict = {}
+        # set of dotted paths to all functions and classes that are used in
+        # urlpatterns
+        self._callback_strs = set()
+        self._populated = False
+        self._local = Local()
+
+    def __repr__(self):
+        if isinstance(self.urlconf_name, list) and self.urlconf_name:
+            # Don't bother to output the whole list, it can be huge
+            urlconf_repr = "<%s list>" % self.urlconf_name[0].__class__.__name__
+        else:
+            urlconf_repr = repr(self.urlconf_name)
+        return "<%s %s (%s:%s) %s>" % (
+            self.__class__.__name__,
+            urlconf_repr,
+            self.app_name,
+            self.namespace,
+            self.pattern.describe(),
+        )
+
+    def check(self):
+        messages = []
+        for pattern in self.url_patterns:
+            messages.extend(check_resolver(pattern))
+        messages.extend(self._check_custom_error_handlers())
+        return messages or self.pattern.check()
+
+    def _check_custom_error_handlers(self):
+        messages = []
+        # All handlers take (request, exception) arguments except handler500
+        # which takes (request).
+        for status_code, num_parameters in [(400, 2), (403, 2), (404, 2), (500, 1)]:
+            try:
+                handler = self.resolve_error_handler(status_code)
+            except (ImportError, ViewDoesNotExist) as e:
+                path = getattr(self.urlconf_module, "handler%s" % status_code)
+                msg = (
+                    "The custom handler{status_code} view '{path}' could not be "
+                    "imported."
+                ).format(status_code=status_code, path=path)
+                messages.append(Error(msg, hint=str(e), id="urls.E008"))
+                continue
+            signature = inspect.signature(handler)
+            args = [None] * num_parameters
+            try:
+                signature.bind(*args)
+            except TypeError:
+                msg = (
+                    "The custom handler{status_code} view '{path}' does not "
+                    "take the correct number of arguments ({args})."
+                ).format(
+                    status_code=status_code,
+                    path=handler.__module__ + "." + handler.__qualname__,
+                    args="request, exception" if num_parameters == 2 else "request",
+                )
+                messages.append(Error(msg, id="urls.E007"))
+        return messages
+
+    def _populate(self):
+        # Short-circuit if called recursively in this thread to prevent
+        # infinite recursion. Concurrent threads may call this at the same
+        # time and will need to continue, so set 'populating' on a
+        # thread-local variable.
+        if getattr(self._local, "populating", False):
+            return
+        try:
+            self._local.populating = True
+            lookups = MultiValueDict()
+            namespaces = {}
+            apps = {}
+            language_code = get_language()
+            for url_pattern in reversed(self.url_patterns):
+                p_pattern = url_pattern.pattern.regex.pattern
+                p_pattern = p_pattern.removeprefix("^")
+                if isinstance(url_pattern, URLPattern):
+                    self._callback_strs.add(url_pattern.lookup_str)
+                    bits = normalize(url_pattern.pattern.regex.pattern)
+                    lookups.appendlist(
+                        url_pattern.callback,
+                        (
+                            bits,
+                            p_pattern,
+                            url_pattern.default_args,
+                            url_pattern.pattern.converters,
+                        ),
+                    )
+                    if url_pattern.name is not None:
+                        lookups.appendlist(
+                            url_pattern.name,
+                            (
+                                bits,
+                                p_pattern,
+                                url_pattern.default_args,
+                                url_pattern.pattern.converters,
+                            ),
+                        )
+                else:  # url_pattern is a URLResolver.
+                    url_pattern._populate()
+                    if url_pattern.app_name:
+                        apps.setdefault(url_pattern.app_name, []).append(
+                            url_pattern.namespace
+                        )
+                        namespaces[url_pattern.namespace] = (p_pattern, url_pattern)
+                    else:
+                        for name in url_pattern.reverse_dict:
+                            for (
+                                matches,
+                                pat,
+                                defaults,
+                                converters,
+                            ) in url_pattern.reverse_dict.getlist(name):
+                                new_matches = normalize(p_pattern + pat)
+                                lookups.appendlist(
+                                    name,
+                                    (
+                                        new_matches,
+                                        p_pattern + pat,
+                                        {**defaults, **url_pattern.default_kwargs},
+                                        {
+                                            **self.pattern.converters,
+                                            **url_pattern.pattern.converters,
+                                            **converters,
+                                        },
+                                    ),
+                                )
+                        for namespace, (
+                            prefix,
+                            sub_pattern,
+                        ) in url_pattern.namespace_dict.items():
+                            current_converters = url_pattern.pattern.converters
+                            sub_pattern.pattern.converters.update(current_converters)
+                            namespaces[namespace] = (p_pattern + prefix, sub_pattern)
+                        for app_name, namespace_list in url_pattern.app_dict.items():
+                            apps.setdefault(app_name, []).extend(namespace_list)
+                    self._callback_strs.update(url_pattern._callback_strs)
+            self._namespace_dict[language_code] = namespaces
+            self._app_dict[language_code] = apps
+            self._reverse_dict[language_code] = lookups
+            self._populated = True
+        finally:
+            self._local.populating = False
+
+    @property
+    def reverse_dict(self):
+        language_code = get_language()
+        if language_code not in self._reverse_dict:
+            self._populate()
+        return self._reverse_dict[language_code]
+
+    @property
+    def namespace_dict(self):
+        language_code = get_language()
+        if language_code not in self._namespace_dict:
+            self._populate()
+        return self._namespace_dict[language_code]
+
+    @property
+    def app_dict(self):
+        language_code = get_language()
+        if language_code not in self._app_dict:
+            self._populate()
+        return self._app_dict[language_code]
+
+    @staticmethod
+    def _extend_tried(tried, pattern, sub_tried=None):
+        if sub_tried is None:
+            tried.append([pattern])
+        else:
+            tried.extend([pattern, *t] for t in sub_tried)
+
+    @staticmethod
+    def _join_route(route1, route2):
+        """Join two routes, without the starting ^ in the second route."""
+        if not route1:
+            return route2
+        route2 = route2.removeprefix("^")
+        return route1 + route2
+
+    def _is_callback(self, name):
+        if not self._populated:
+            self._populate()
+        return name in self._callback_strs
+
+    def resolve(self, path):
+        path = str(path)  # path may be a reverse_lazy object
+        tried = []
+        match = self.pattern.match(path)
+        if match:
+            new_path, args, kwargs = match
+            for pattern in self.url_patterns:
+                try:
+                    sub_match = pattern.resolve(new_path)
+                except Resolver404 as e:
+                    self._extend_tried(tried, pattern, e.args[0].get("tried"))
+                else:
+                    if sub_match:
+                        # Merge captured arguments in match with submatch
+                        sub_match_dict = {**kwargs, **self.default_kwargs}
+                        # Update the sub_match_dict with the kwargs from the sub_match.
+                        sub_match_dict.update(sub_match.kwargs)
+                        # If there are *any* named groups, ignore all non-named groups.
+                        # Otherwise, pass all non-named arguments as positional
+                        # arguments.
+                        sub_match_args = sub_match.args
+                        if not sub_match_dict:
+                            sub_match_args = args + sub_match.args
+                        current_route = (
+                            ""
+                            if isinstance(pattern, URLPattern)
+                            else str(pattern.pattern)
+                        )
+                        self._extend_tried(tried, pattern, sub_match.tried)
+                        return ResolverMatch(
+                            sub_match.func,
+                            sub_match_args,
+                            sub_match_dict,
+                            sub_match.url_name,
+                            [self.app_name] + sub_match.app_names,
+                            [self.namespace] + sub_match.namespaces,
+                            self._join_route(current_route, sub_match.route),
+                            tried,
+                            captured_kwargs=sub_match.captured_kwargs,
+                            extra_kwargs={
+                                **self.default_kwargs,
+                                **sub_match.extra_kwargs,
+                            },
+                        )
+                    tried.append([pattern])
+            raise Resolver404({"tried": tried, "path": new_path})
+        raise Resolver404({"path": path})
+
+    @cached_property
+    def urlconf_module(self):
+        if isinstance(self.urlconf_name, str):
+            return import_module(self.urlconf_name)
+        else:
+            return self.urlconf_name
+
+    @cached_property
+    def url_patterns(self):
+        # urlconf_module might be a valid set of patterns, so we default to it
+        patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
+        try:
+            iter(patterns)
+        except TypeError as e:
+            msg = (
+                "The included URLconf '{name}' does not appear to have "
+                "any patterns in it. If you see the 'urlpatterns' variable "
+                "with valid patterns in the file then the issue is probably "
+                "caused by a circular import."
+            )
+            raise ImproperlyConfigured(msg.format(name=self.urlconf_name)) from e
+        return patterns
+
+    def resolve_error_handler(self, view_type):
+        callback = getattr(self.urlconf_module, "handler%s" % view_type, None)
+        if not callback:
+            # No handler specified in file; use lazy import, since
+            # django.conf.urls imports this file.
+            from django.conf import urls
+
+            callback = getattr(urls, "handler%s" % view_type)
+        return get_callable(callback)
+
+    def reverse(self, lookup_view, *args, **kwargs):
+        return self._reverse_with_prefix(lookup_view, "", *args, **kwargs)
+
+    def _reverse_with_prefix(self, lookup_view, _prefix, *args, **kwargs):
+        if args and kwargs:
+            raise ValueError("Don't mix *args and **kwargs in call to reverse()!")
+
+        if not self._populated:
+            self._populate()
+
+        possibilities = self.reverse_dict.getlist(lookup_view)
+
+        for possibility, pattern, defaults, converters in possibilities:
+            for result, params in possibility:
+                if args:
+                    if len(args) != len(params):
+                        continue
+                    candidate_subs = dict(zip(params, args))
+                else:
+                    if set(kwargs).symmetric_difference(params).difference(defaults):
+                        continue
+                    matches = True
+                    for k, v in defaults.items():
+                        if k in params:
+                            continue
+                        if kwargs.get(k, v) != v:
+                            matches = False
+                            break
+                    if not matches:
+                        continue
+                    candidate_subs = kwargs
+                # Convert the candidate subs to text using Converter.to_url().
+                text_candidate_subs = {}
+                match = True
+                for k, v in candidate_subs.items():
+                    if k in converters:
+                        try:
+                            text_candidate_subs[k] = converters[k].to_url(v)
+                        except ValueError:
+                            match = False
+                            break
+                    else:
+                        text_candidate_subs[k] = str(v)
+                if not match:
+                    continue
+                # WSGI provides decoded URLs, without %xx escapes, and the URL
+                # resolver operates on such URLs. First substitute arguments
+                # without quoting to build a decoded URL and look for a match.
+                # Then, if we have a match, redo the substitution with quoted
+                # arguments in order to return a properly encoded URL.
+                candidate_pat = _prefix.replace("%", "%%") + result
+                if re.search(
+                    "^%s%s" % (re.escape(_prefix), pattern),
+                    candidate_pat % text_candidate_subs,
+                ):
+                    # safe characters from `pchar` definition of RFC 3986
+                    url = quote(
+                        candidate_pat % text_candidate_subs,
+                        safe=RFC3986_SUBDELIMS + "/~:@",
+                    )
+                    # Don't allow construction of scheme relative urls.
+                    return escape_leading_slashes(url)
+        # lookup_view can be URL name or callable, but callables are not
+        # friendly in error messages.
+        m = getattr(lookup_view, "__module__", None)
+        n = getattr(lookup_view, "__name__", None)
+        if m is not None and n is not None:
+            lookup_view_s = "%s.%s" % (m, n)
+        else:
+            lookup_view_s = lookup_view
+
+        patterns = [pattern for (_, pattern, _, _) in possibilities]
+        if patterns:
+            if args:
+                arg_msg = "arguments '%s'" % (args,)
+            elif kwargs:
+                arg_msg = "keyword arguments '%s'" % kwargs
+            else:
+                arg_msg = "no arguments"
+            msg = "Reverse for '%s' with %s not found. %d pattern(s) tried: %s" % (
+                lookup_view_s,
+                arg_msg,
+                len(patterns),
+                patterns,
+            )
+        else:
+            msg = (
+                "Reverse for '%(view)s' not found. '%(view)s' is not "
+                "a valid view function or pattern name." % {"view": lookup_view_s}
+            )
+        raise NoReverseMatch(msg)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/utils.py
new file mode 100644
index 00000000..2bea9229
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/urls/utils.py
@@ -0,0 +1,66 @@
+import functools
+from importlib import import_module
+
+from django.core.exceptions import ViewDoesNotExist
+from django.utils.module_loading import module_has_submodule
+
+
+@functools.cache
+def get_callable(lookup_view):
+    """
+    Return a callable corresponding to lookup_view.
+    * If lookup_view is already a callable, return it.
+    * If lookup_view is a string import path that can be resolved to a callable,
+      import that callable and return it, otherwise raise an exception
+      (ImportError or ViewDoesNotExist).
+    """
+    if callable(lookup_view):
+        return lookup_view
+
+    if not isinstance(lookup_view, str):
+        raise ViewDoesNotExist(
+            "'%s' is not a callable or a dot-notation path" % lookup_view
+        )
+
+    mod_name, func_name = get_mod_func(lookup_view)
+    if not func_name:  # No '.' in lookup_view
+        raise ImportError(
+            "Could not import '%s'. The path must be fully qualified." % lookup_view
+        )
+
+    try:
+        mod = import_module(mod_name)
+    except ImportError:
+        parentmod, submod = get_mod_func(mod_name)
+        if submod and not module_has_submodule(import_module(parentmod), submod):
+            raise ViewDoesNotExist(
+                "Could not import '%s'. Parent module %s does not exist."
+                % (lookup_view, mod_name)
+            )
+        else:
+            raise
+    else:
+        try:
+            view_func = getattr(mod, func_name)
+        except AttributeError:
+            raise ViewDoesNotExist(
+                "Could not import '%s'. View does not exist in module %s."
+                % (lookup_view, mod_name)
+            )
+        else:
+            if not callable(view_func):
+                raise ViewDoesNotExist(
+                    "Could not import '%s.%s'. View is not callable."
+                    % (mod_name, func_name)
+                )
+            return view_func
+
+
+def get_mod_func(callback):
+    # Convert 'django.views.news.stories.story_detail' to
+    # ['django.views.news.stories', 'story_detail']
+    try:
+        dot = callback.rindex(".")
+    except ValueError:
+        return callback, ""
+    return callback[:dot], callback[dot + 1 :]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/_os.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/_os.py
new file mode 100644
index 00000000..e9e1bcbf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/_os.py
@@ -0,0 +1,62 @@
+import os
+import tempfile
+from os.path import abspath, dirname, join, normcase, sep
+from pathlib import Path
+
+from django.core.exceptions import SuspiciousFileOperation
+
+
+def safe_join(base, *paths):
+    """
+    Join one or more path components to the base path component intelligently.
+    Return a normalized, absolute version of the final path.
+
+    Raise SuspiciousFileOperation if the final path isn't located inside of the
+    base path component.
+    """
+    final_path = abspath(join(base, *paths))
+    base_path = abspath(base)
+    # Ensure final_path starts with base_path (using normcase to ensure we
+    # don't false-negative on case insensitive operating systems like Windows),
+    # further, one of the following conditions must be true:
+    #  a) The next character is the path separator (to prevent conditions like
+    #     safe_join("/dir", "/../d"))
+    #  b) The final path must be the same as the base path.
+    #  c) The base path must be the most root path (meaning either "/" or "C:\\")
+    if (
+        not normcase(final_path).startswith(normcase(base_path + sep))
+        and normcase(final_path) != normcase(base_path)
+        and dirname(normcase(base_path)) != normcase(base_path)
+    ):
+        raise SuspiciousFileOperation(
+            "The joined path ({}) is located outside of the base path "
+            "component ({})".format(final_path, base_path)
+        )
+    return final_path
+
+
+def symlinks_supported():
+    """
+    Return whether or not creating symlinks are supported in the host platform
+    and/or if they are allowed to be created (e.g. on Windows it requires admin
+    permissions).
+    """
+    with tempfile.TemporaryDirectory() as temp_dir:
+        original_path = os.path.join(temp_dir, "original")
+        symlink_path = os.path.join(temp_dir, "symlink")
+        os.makedirs(original_path)
+        try:
+            os.symlink(original_path, symlink_path)
+            supported = True
+        except (OSError, NotImplementedError):
+            supported = False
+        return supported
+
+
+def to_path(value):
+    """Convert value to a pathlib.Path instance, if not already a Path."""
+    if isinstance(value, Path):
+        return value
+    elif not isinstance(value, str):
+        raise TypeError("Invalid path type: %s" % type(value).__name__)
+    return Path(value)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/archive.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/archive.py
new file mode 100644
index 00000000..56f34c00
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/archive.py
@@ -0,0 +1,258 @@
+"""
+Based on "python-archive" -- https://pypi.org/project/python-archive/
+
+Copyright (c) 2010 Gary Wilson Jr. <gary.wilson@gmail.com> and contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+"""
+
+import os
+import shutil
+import stat
+import tarfile
+import zipfile
+
+from django.core.exceptions import SuspiciousOperation
+
+
+class ArchiveException(Exception):
+    """
+    Base exception class for all archive errors.
+    """
+
+
+class UnrecognizedArchiveFormat(ArchiveException):
+    """
+    Error raised when passed file is not a recognized archive format.
+    """
+
+
+def extract(path, to_path):
+    """
+    Unpack the tar or zip file at the specified path to the directory
+    specified by to_path.
+    """
+    with Archive(path) as archive:
+        archive.extract(to_path)
+
+
+class Archive:
+    """
+    The external API class that encapsulates an archive implementation.
+    """
+
+    def __init__(self, file):
+        self._archive = self._archive_cls(file)(file)
+
+    @staticmethod
+    def _archive_cls(file):
+        cls = None
+        if isinstance(file, str):
+            filename = file
+        else:
+            try:
+                filename = file.name
+            except AttributeError:
+                raise UnrecognizedArchiveFormat(
+                    "File object not a recognized archive format."
+                )
+        base, tail_ext = os.path.splitext(filename.lower())
+        cls = extension_map.get(tail_ext)
+        if not cls:
+            base, ext = os.path.splitext(base)
+            cls = extension_map.get(ext)
+        if not cls:
+            raise UnrecognizedArchiveFormat(
+                "Path not a recognized archive format: %s" % filename
+            )
+        return cls
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self.close()
+
+    def extract(self, to_path):
+        self._archive.extract(to_path)
+
+    def list(self):
+        self._archive.list()
+
+    def close(self):
+        self._archive.close()
+
+
+class BaseArchive:
+    """
+    Base Archive class.  Implementations should inherit this class.
+    """
+
+    @staticmethod
+    def _copy_permissions(mode, filename):
+        """
+        If the file in the archive has some permissions (this assumes a file
+        won't be writable/executable without being readable), apply those
+        permissions to the unarchived file.
+        """
+        if mode & stat.S_IROTH:
+            os.chmod(filename, mode)
+
+    def split_leading_dir(self, path):
+        path = str(path)
+        path = path.lstrip("/").lstrip("\\")
+        if "/" in path and (
+            ("\\" in path and path.find("/") < path.find("\\")) or "\\" not in path
+        ):
+            return path.split("/", 1)
+        elif "\\" in path:
+            return path.split("\\", 1)
+        else:
+            return path, ""
+
+    def has_leading_dir(self, paths):
+        """
+        Return True if all the paths have the same leading path name
+        (i.e., everything is in one subdirectory in an archive).
+        """
+        common_prefix = None
+        for path in paths:
+            prefix, rest = self.split_leading_dir(path)
+            if not prefix:
+                return False
+            elif common_prefix is None:
+                common_prefix = prefix
+            elif prefix != common_prefix:
+                return False
+        return True
+
+    def target_filename(self, to_path, name):
+        target_path = os.path.abspath(to_path)
+        filename = os.path.abspath(os.path.join(target_path, name))
+        if not filename.startswith(target_path):
+            raise SuspiciousOperation("Archive contains invalid path: '%s'" % name)
+        return filename
+
+    def extract(self):
+        raise NotImplementedError(
+            "subclasses of BaseArchive must provide an extract() method"
+        )
+
+    def list(self):
+        raise NotImplementedError(
+            "subclasses of BaseArchive must provide a list() method"
+        )
+
+
+class TarArchive(BaseArchive):
+    def __init__(self, file):
+        self._archive = tarfile.open(file)
+
+    def list(self, *args, **kwargs):
+        self._archive.list(*args, **kwargs)
+
+    def extract(self, to_path):
+        members = self._archive.getmembers()
+        leading = self.has_leading_dir(x.name for x in members)
+        for member in members:
+            name = member.name
+            if leading:
+                name = self.split_leading_dir(name)[1]
+            filename = self.target_filename(to_path, name)
+            if member.isdir():
+                if filename:
+                    os.makedirs(filename, exist_ok=True)
+            else:
+                try:
+                    extracted = self._archive.extractfile(member)
+                except (KeyError, AttributeError) as exc:
+                    # Some corrupt tar files seem to produce this
+                    # (specifically bad symlinks)
+                    print(
+                        "In the tar file %s the member %s is invalid: %s"
+                        % (name, member.name, exc)
+                    )
+                else:
+                    dirname = os.path.dirname(filename)
+                    if dirname:
+                        os.makedirs(dirname, exist_ok=True)
+                    with open(filename, "wb") as outfile:
+                        shutil.copyfileobj(extracted, outfile)
+                        self._copy_permissions(member.mode, filename)
+                finally:
+                    if extracted:
+                        extracted.close()
+
+    def close(self):
+        self._archive.close()
+
+
+class ZipArchive(BaseArchive):
+    def __init__(self, file):
+        self._archive = zipfile.ZipFile(file)
+
+    def list(self, *args, **kwargs):
+        self._archive.printdir(*args, **kwargs)
+
+    def extract(self, to_path):
+        namelist = self._archive.namelist()
+        leading = self.has_leading_dir(namelist)
+        for name in namelist:
+            data = self._archive.read(name)
+            info = self._archive.getinfo(name)
+            if leading:
+                name = self.split_leading_dir(name)[1]
+            if not name:
+                continue
+            filename = self.target_filename(to_path, name)
+            if name.endswith(("/", "\\")):
+                # A directory
+                os.makedirs(filename, exist_ok=True)
+            else:
+                dirname = os.path.dirname(filename)
+                if dirname:
+                    os.makedirs(dirname, exist_ok=True)
+                with open(filename, "wb") as outfile:
+                    outfile.write(data)
+                # Convert ZipInfo.external_attr to mode
+                mode = info.external_attr >> 16
+                self._copy_permissions(mode, filename)
+
+    def close(self):
+        self._archive.close()
+
+
+extension_map = dict.fromkeys(
+    (
+        ".tar",
+        ".tar.bz2",
+        ".tbz2",
+        ".tbz",
+        ".tz2",
+        ".tar.gz",
+        ".tgz",
+        ".taz",
+        ".tar.lzma",
+        ".tlz",
+        ".tar.xz",
+        ".txz",
+    ),
+    TarArchive,
+)
+extension_map[".zip"] = ZipArchive
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/asyncio.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/asyncio.py
new file mode 100644
index 00000000..1e79f90c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/asyncio.py
@@ -0,0 +1,39 @@
+import os
+from asyncio import get_running_loop
+from functools import wraps
+
+from django.core.exceptions import SynchronousOnlyOperation
+
+
+def async_unsafe(message):
+    """
+    Decorator to mark functions as async-unsafe. Someone trying to access
+    the function while in an async context will get an error message.
+    """
+
+    def decorator(func):
+        @wraps(func)
+        def inner(*args, **kwargs):
+            # Detect a running event loop in this thread.
+            try:
+                get_running_loop()
+            except RuntimeError:
+                pass
+            else:
+                if not os.environ.get("DJANGO_ALLOW_ASYNC_UNSAFE"):
+                    raise SynchronousOnlyOperation(message)
+            # Pass onward.
+            return func(*args, **kwargs)
+
+        return inner
+
+    # If the message is actually a function, then be a no-arguments decorator.
+    if callable(message):
+        func = message
+        message = (
+            "You cannot call this from an async context - use a thread or "
+            "sync_to_async."
+        )
+        return decorator(func)
+    else:
+        return decorator
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/autoreload.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/autoreload.py
new file mode 100644
index 00000000..e570f893
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/autoreload.py
@@ -0,0 +1,676 @@
+import itertools
+import logging
+import os
+import signal
+import subprocess
+import sys
+import threading
+import time
+import traceback
+import weakref
+from collections import defaultdict
+from functools import lru_cache, wraps
+from pathlib import Path
+from types import ModuleType
+from zipimport import zipimporter
+
+import django
+from django.apps import apps
+from django.core.signals import request_finished
+from django.dispatch import Signal
+from django.utils.functional import cached_property
+from django.utils.version import get_version_tuple
+
+autoreload_started = Signal()
+file_changed = Signal()
+
+DJANGO_AUTORELOAD_ENV = "RUN_MAIN"
+
+logger = logging.getLogger("django.utils.autoreload")
+
+# If an error is raised while importing a file, it's not placed in sys.modules.
+# This means that any future modifications aren't caught. Keep a list of these
+# file paths to allow watching them in the future.
+_error_files = []
+_exception = None
+
+try:
+    import termios
+except ImportError:
+    termios = None
+
+
+try:
+    import pywatchman
+except ImportError:
+    pywatchman = None
+
+
+def is_django_module(module):
+    """Return True if the given module is nested under Django."""
+    return module.__name__.startswith("django.")
+
+
+def is_django_path(path):
+    """Return True if the given file path is nested under Django."""
+    return Path(django.__file__).parent in Path(path).parents
+
+
+def check_errors(fn):
+    @wraps(fn)
+    def wrapper(*args, **kwargs):
+        global _exception
+        try:
+            fn(*args, **kwargs)
+        except Exception:
+            _exception = sys.exc_info()
+
+            et, ev, tb = _exception
+
+            if getattr(ev, "filename", None) is None:
+                # get the filename from the last item in the stack
+                filename = traceback.extract_tb(tb)[-1][0]
+            else:
+                filename = ev.filename
+
+            if filename not in _error_files:
+                _error_files.append(filename)
+
+            raise
+
+    return wrapper
+
+
+def raise_last_exception():
+    global _exception
+    if _exception is not None:
+        raise _exception[1]
+
+
+def ensure_echo_on():
+    """
+    Ensure that echo mode is enabled. Some tools such as PDB disable
+    it which causes usability issues after reload.
+    """
+    if not termios or not sys.stdin.isatty():
+        return
+    attr_list = termios.tcgetattr(sys.stdin)
+    if not attr_list[3] & termios.ECHO:
+        attr_list[3] |= termios.ECHO
+        if hasattr(signal, "SIGTTOU"):
+            old_handler = signal.signal(signal.SIGTTOU, signal.SIG_IGN)
+        else:
+            old_handler = None
+        termios.tcsetattr(sys.stdin, termios.TCSANOW, attr_list)
+        if old_handler is not None:
+            signal.signal(signal.SIGTTOU, old_handler)
+
+
+def iter_all_python_module_files():
+    # This is a hot path during reloading. Create a stable sorted list of
+    # modules based on the module name and pass it to iter_modules_and_files().
+    # This ensures cached results are returned in the usual case that modules
+    # aren't loaded on the fly.
+    keys = sorted(sys.modules)
+    modules = tuple(
+        m
+        for m in map(sys.modules.__getitem__, keys)
+        if not isinstance(m, weakref.ProxyTypes)
+    )
+    return iter_modules_and_files(modules, frozenset(_error_files))
+
+
+@lru_cache(maxsize=1)
+def iter_modules_and_files(modules, extra_files):
+    """Iterate through all modules needed to be watched."""
+    sys_file_paths = []
+    for module in modules:
+        # During debugging (with PyDev) the 'typing.io' and 'typing.re' objects
+        # are added to sys.modules, however they are types not modules and so
+        # cause issues here.
+        if not isinstance(module, ModuleType):
+            continue
+        if module.__name__ in ("__main__", "__mp_main__"):
+            # __main__ (usually manage.py) doesn't always have a __spec__ set.
+            # Handle this by falling back to using __file__, resolved below.
+            # See https://docs.python.org/reference/import.html#main-spec
+            # __file__ may not exists, e.g. when running ipdb debugger.
+            if hasattr(module, "__file__"):
+                sys_file_paths.append(module.__file__)
+            continue
+        if getattr(module, "__spec__", None) is None:
+            continue
+        spec = module.__spec__
+        # Modules could be loaded from places without a concrete location. If
+        # this is the case, skip them.
+        if spec.has_location:
+            origin = (
+                spec.loader.archive
+                if isinstance(spec.loader, zipimporter)
+                else spec.origin
+            )
+            sys_file_paths.append(origin)
+
+    results = set()
+    for filename in itertools.chain(sys_file_paths, extra_files):
+        if not filename:
+            continue
+        path = Path(filename)
+        try:
+            if not path.exists():
+                # The module could have been removed, don't fail loudly if this
+                # is the case.
+                continue
+        except ValueError as e:
+            # Network filesystems may return null bytes in file paths.
+            logger.debug('"%s" raised when resolving path: "%s"', e, path)
+            continue
+        resolved_path = path.resolve().absolute()
+        results.add(resolved_path)
+    return frozenset(results)
+
+
+@lru_cache(maxsize=1)
+def common_roots(paths):
+    """
+    Return a tuple of common roots that are shared between the given paths.
+    File system watchers operate on directories and aren't cheap to create.
+    Try to find the minimum set of directories to watch that encompass all of
+    the files that need to be watched.
+    """
+    # Inspired from Werkzeug:
+    # https://github.com/pallets/werkzeug/blob/7477be2853df70a022d9613e765581b9411c3c39/werkzeug/_reloader.py
+    # Create a sorted list of the path components, longest first.
+    path_parts = sorted([x.parts for x in paths], key=len, reverse=True)
+    tree = {}
+    for chunks in path_parts:
+        node = tree
+        # Add each part of the path to the tree.
+        for chunk in chunks:
+            node = node.setdefault(chunk, {})
+        # Clear the last leaf in the tree.
+        node.clear()
+
+    # Turn the tree into a list of Path instances.
+    def _walk(node, path):
+        for prefix, child in node.items():
+            yield from _walk(child, path + (prefix,))
+        if not node:
+            yield Path(*path)
+
+    return tuple(_walk(tree, ()))
+
+
+def sys_path_directories():
+    """
+    Yield absolute directories from sys.path, ignoring entries that don't
+    exist.
+    """
+    for path in sys.path:
+        path = Path(path)
+        if not path.exists():
+            continue
+        resolved_path = path.resolve().absolute()
+        # If the path is a file (like a zip file), watch the parent directory.
+        if resolved_path.is_file():
+            yield resolved_path.parent
+        else:
+            yield resolved_path
+
+
+def get_child_arguments():
+    """
+    Return the executable. This contains a workaround for Windows if the
+    executable is reported to not have the .exe extension which can cause bugs
+    on reloading.
+    """
+    import __main__
+
+    py_script = Path(sys.argv[0])
+    exe_entrypoint = py_script.with_suffix(".exe")
+
+    args = [sys.executable] + ["-W%s" % o for o in sys.warnoptions]
+    if sys.implementation.name == "cpython":
+        args.extend(
+            f"-X{key}" if value is True else f"-X{key}={value}"
+            for key, value in sys._xoptions.items()
+        )
+    # __spec__ is set when the server was started with the `-m` option,
+    # see https://docs.python.org/3/reference/import.html#main-spec
+    # __spec__ may not exist, e.g. when running in a Conda env.
+    if getattr(__main__, "__spec__", None) is not None and not exe_entrypoint.exists():
+        spec = __main__.__spec__
+        if (spec.name == "__main__" or spec.name.endswith(".__main__")) and spec.parent:
+            name = spec.parent
+        else:
+            name = spec.name
+        args += ["-m", name]
+        args += sys.argv[1:]
+    elif not py_script.exists():
+        # sys.argv[0] may not exist for several reasons on Windows.
+        # It may exist with a .exe extension or have a -script.py suffix.
+        if exe_entrypoint.exists():
+            # Should be executed directly, ignoring sys.executable.
+            return [exe_entrypoint, *sys.argv[1:]]
+        script_entrypoint = py_script.with_name("%s-script.py" % py_script.name)
+        if script_entrypoint.exists():
+            # Should be executed as usual.
+            return [*args, script_entrypoint, *sys.argv[1:]]
+        raise RuntimeError("Script %s does not exist." % py_script)
+    else:
+        args += sys.argv
+    return args
+
+
+def trigger_reload(filename):
+    logger.info("%s changed, reloading.", filename)
+    sys.exit(3)
+
+
+def restart_with_reloader():
+    new_environ = {**os.environ, DJANGO_AUTORELOAD_ENV: "true"}
+    args = get_child_arguments()
+    while True:
+        p = subprocess.run(args, env=new_environ, close_fds=False)
+        if p.returncode != 3:
+            return p.returncode
+
+
+class BaseReloader:
+    def __init__(self):
+        self.extra_files = set()
+        self.directory_globs = defaultdict(set)
+        self._stop_condition = threading.Event()
+
+    def watch_dir(self, path, glob):
+        path = Path(path)
+        try:
+            path = path.absolute()
+        except FileNotFoundError:
+            logger.debug(
+                "Unable to watch directory %s as it cannot be resolved.",
+                path,
+                exc_info=True,
+            )
+            return
+        logger.debug("Watching dir %s with glob %s.", path, glob)
+        self.directory_globs[path].add(glob)
+
+    def watched_files(self, include_globs=True):
+        """
+        Yield all files that need to be watched, including module files and
+        files within globs.
+        """
+        yield from iter_all_python_module_files()
+        yield from self.extra_files
+        if include_globs:
+            for directory, patterns in self.directory_globs.items():
+                for pattern in patterns:
+                    yield from directory.glob(pattern)
+
+    def wait_for_apps_ready(self, app_reg, django_main_thread):
+        """
+        Wait until Django reports that the apps have been loaded. If the given
+        thread has terminated before the apps are ready, then a SyntaxError or
+        other non-recoverable error has been raised. In that case, stop waiting
+        for the apps_ready event and continue processing.
+
+        Return True if the thread is alive and the ready event has been
+        triggered, or False if the thread is terminated while waiting for the
+        event.
+        """
+        while django_main_thread.is_alive():
+            if app_reg.ready_event.wait(timeout=0.1):
+                return True
+        else:
+            logger.debug("Main Django thread has terminated before apps are ready.")
+            return False
+
+    def run(self, django_main_thread):
+        logger.debug("Waiting for apps ready_event.")
+        self.wait_for_apps_ready(apps, django_main_thread)
+        from django.urls import get_resolver
+
+        # Prevent a race condition where URL modules aren't loaded when the
+        # reloader starts by accessing the urlconf_module property.
+        try:
+            get_resolver().urlconf_module
+        except Exception:
+            # Loading the urlconf can result in errors during development.
+            # If this occurs then swallow the error and continue.
+            pass
+        logger.debug("Apps ready_event triggered. Sending autoreload_started signal.")
+        autoreload_started.send(sender=self)
+        self.run_loop()
+
+    def run_loop(self):
+        ticker = self.tick()
+        while not self.should_stop:
+            try:
+                next(ticker)
+            except StopIteration:
+                break
+        self.stop()
+
+    def tick(self):
+        """
+        This generator is called in a loop from run_loop. It's important that
+        the method takes care of pausing or otherwise waiting for a period of
+        time. This split between run_loop() and tick() is to improve the
+        testability of the reloader implementations by decoupling the work they
+        do from the loop.
+        """
+        raise NotImplementedError("subclasses must implement tick().")
+
+    @classmethod
+    def check_availability(cls):
+        raise NotImplementedError("subclasses must implement check_availability().")
+
+    def notify_file_changed(self, path):
+        results = file_changed.send(sender=self, file_path=path)
+        logger.debug("%s notified as changed. Signal results: %s.", path, results)
+        if not any(res[1] for res in results):
+            trigger_reload(path)
+
+    # These are primarily used for testing.
+    @property
+    def should_stop(self):
+        return self._stop_condition.is_set()
+
+    def stop(self):
+        self._stop_condition.set()
+
+
+class StatReloader(BaseReloader):
+    SLEEP_TIME = 1  # Check for changes once per second.
+
+    def tick(self):
+        mtimes = {}
+        while True:
+            for filepath, mtime in self.snapshot_files():
+                old_time = mtimes.get(filepath)
+                mtimes[filepath] = mtime
+                if old_time is None:
+                    logger.debug("File %s first seen with mtime %s", filepath, mtime)
+                    continue
+                elif mtime > old_time:
+                    logger.debug(
+                        "File %s previous mtime: %s, current mtime: %s",
+                        filepath,
+                        old_time,
+                        mtime,
+                    )
+                    self.notify_file_changed(filepath)
+
+            time.sleep(self.SLEEP_TIME)
+            yield
+
+    def snapshot_files(self):
+        # watched_files may produce duplicate paths if globs overlap.
+        seen_files = set()
+        for file in self.watched_files():
+            if file in seen_files:
+                continue
+            try:
+                mtime = file.stat().st_mtime
+            except OSError:
+                # This is thrown when the file does not exist.
+                continue
+            seen_files.add(file)
+            yield file, mtime
+
+    @classmethod
+    def check_availability(cls):
+        return True
+
+
+class WatchmanUnavailable(RuntimeError):
+    pass
+
+
+class WatchmanReloader(BaseReloader):
+    def __init__(self):
+        self.roots = defaultdict(set)
+        self.processed_request = threading.Event()
+        self.client_timeout = int(os.environ.get("DJANGO_WATCHMAN_TIMEOUT", 5))
+        super().__init__()
+
+    @cached_property
+    def client(self):
+        return pywatchman.client(timeout=self.client_timeout)
+
+    def _watch_root(self, root):
+        # In practice this shouldn't occur, however, it's possible that a
+        # directory that doesn't exist yet is being watched. If it's outside of
+        # sys.path then this will end up a new root. How to handle this isn't
+        # clear: Not adding the root will likely break when subscribing to the
+        # changes, however, as this is currently an internal API,  no files
+        # will be being watched outside of sys.path. Fixing this by checking
+        # inside watch_glob() and watch_dir() is expensive, instead this could
+        # could fall back to the StatReloader if this case is detected? For
+        # now, watching its parent, if possible, is sufficient.
+        if not root.exists():
+            if not root.parent.exists():
+                logger.warning(
+                    "Unable to watch root dir %s as neither it or its parent exist.",
+                    root,
+                )
+                return
+            root = root.parent
+        result = self.client.query("watch-project", str(root.absolute()))
+        if "warning" in result:
+            logger.warning("Watchman warning: %s", result["warning"])
+        logger.debug("Watchman watch-project result: %s", result)
+        return result["watch"], result.get("relative_path")
+
+    @lru_cache
+    def _get_clock(self, root):
+        return self.client.query("clock", root)["clock"]
+
+    def _subscribe(self, directory, name, expression):
+        root, rel_path = self._watch_root(directory)
+        # Only receive notifications of files changing, filtering out other types
+        # like special files: https://facebook.github.io/watchman/docs/type
+        only_files_expression = [
+            "allof",
+            ["anyof", ["type", "f"], ["type", "l"]],
+            expression,
+        ]
+        query = {
+            "expression": only_files_expression,
+            "fields": ["name"],
+            "since": self._get_clock(root),
+            "dedup_results": True,
+        }
+        if rel_path:
+            query["relative_root"] = rel_path
+        logger.debug(
+            "Issuing watchman subscription %s, for root %s. Query: %s",
+            name,
+            root,
+            query,
+        )
+        self.client.query("subscribe", root, name, query)
+
+    def _subscribe_dir(self, directory, filenames):
+        if not directory.exists():
+            if not directory.parent.exists():
+                logger.warning(
+                    "Unable to watch directory %s as neither it or its parent exist.",
+                    directory,
+                )
+                return
+            prefix = "files-parent-%s" % directory.name
+            filenames = ["%s/%s" % (directory.name, filename) for filename in filenames]
+            directory = directory.parent
+            expression = ["name", filenames, "wholename"]
+        else:
+            prefix = "files"
+            expression = ["name", filenames]
+        self._subscribe(directory, "%s:%s" % (prefix, directory), expression)
+
+    def _watch_glob(self, directory, patterns):
+        """
+        Watch a directory with a specific glob. If the directory doesn't yet
+        exist, attempt to watch the parent directory and amend the patterns to
+        include this. It's important this method isn't called more than one per
+        directory when updating all subscriptions. Subsequent calls will
+        overwrite the named subscription, so it must include all possible glob
+        expressions.
+        """
+        prefix = "glob"
+        if not directory.exists():
+            if not directory.parent.exists():
+                logger.warning(
+                    "Unable to watch directory %s as neither it or its parent exist.",
+                    directory,
+                )
+                return
+            prefix = "glob-parent-%s" % directory.name
+            patterns = ["%s/%s" % (directory.name, pattern) for pattern in patterns]
+            directory = directory.parent
+
+        expression = ["anyof"]
+        for pattern in patterns:
+            expression.append(["match", pattern, "wholename"])
+        self._subscribe(directory, "%s:%s" % (prefix, directory), expression)
+
+    def watched_roots(self, watched_files):
+        extra_directories = self.directory_globs.keys()
+        watched_file_dirs = [f.parent for f in watched_files]
+        sys_paths = list(sys_path_directories())
+        return frozenset((*extra_directories, *watched_file_dirs, *sys_paths))
+
+    def _update_watches(self):
+        watched_files = list(self.watched_files(include_globs=False))
+        found_roots = common_roots(self.watched_roots(watched_files))
+        logger.debug("Watching %s files", len(watched_files))
+        logger.debug("Found common roots: %s", found_roots)
+        # Setup initial roots for performance, shortest roots first.
+        for root in sorted(found_roots):
+            self._watch_root(root)
+        for directory, patterns in self.directory_globs.items():
+            self._watch_glob(directory, patterns)
+        # Group sorted watched_files by their parent directory.
+        sorted_files = sorted(watched_files, key=lambda p: p.parent)
+        for directory, group in itertools.groupby(sorted_files, key=lambda p: p.parent):
+            # These paths need to be relative to the parent directory.
+            self._subscribe_dir(
+                directory, [str(p.relative_to(directory)) for p in group]
+            )
+
+    def update_watches(self):
+        try:
+            self._update_watches()
+        except Exception as ex:
+            # If the service is still available, raise the original exception.
+            if self.check_server_status(ex):
+                raise
+
+    def _check_subscription(self, sub):
+        subscription = self.client.getSubscription(sub)
+        if not subscription:
+            return
+        logger.debug("Watchman subscription %s has results.", sub)
+        for result in subscription:
+            # When using watch-project, it's not simple to get the relative
+            # directory without storing some specific state. Store the full
+            # path to the directory in the subscription name, prefixed by its
+            # type (glob, files).
+            root_directory = Path(result["subscription"].split(":", 1)[1])
+            logger.debug("Found root directory %s", root_directory)
+            for file in result.get("files", []):
+                self.notify_file_changed(root_directory / file)
+
+    def request_processed(self, **kwargs):
+        logger.debug("Request processed. Setting update_watches event.")
+        self.processed_request.set()
+
+    def tick(self):
+        request_finished.connect(self.request_processed)
+        self.update_watches()
+        while True:
+            if self.processed_request.is_set():
+                self.update_watches()
+                self.processed_request.clear()
+            try:
+                self.client.receive()
+            except pywatchman.SocketTimeout:
+                pass
+            except pywatchman.WatchmanError as ex:
+                logger.debug("Watchman error: %s, checking server status.", ex)
+                self.check_server_status(ex)
+            else:
+                for sub in list(self.client.subs.keys()):
+                    self._check_subscription(sub)
+            yield
+            # Protect against busy loops.
+            time.sleep(0.1)
+
+    def stop(self):
+        self.client.close()
+        super().stop()
+
+    def check_server_status(self, inner_ex=None):
+        """Return True if the server is available."""
+        try:
+            self.client.query("version")
+        except Exception:
+            raise WatchmanUnavailable(str(inner_ex)) from inner_ex
+        return True
+
+    @classmethod
+    def check_availability(cls):
+        if not pywatchman:
+            raise WatchmanUnavailable("pywatchman not installed.")
+        client = pywatchman.client(timeout=0.1)
+        try:
+            result = client.capabilityCheck()
+        except Exception:
+            # The service is down?
+            raise WatchmanUnavailable("Cannot connect to the watchman service.")
+        version = get_version_tuple(result["version"])
+        # Watchman 4.9 includes multiple improvements to watching project
+        # directories as well as case insensitive filesystems.
+        logger.debug("Watchman version %s", version)
+        if version < (4, 9):
+            raise WatchmanUnavailable("Watchman 4.9 or later is required.")
+
+
+def get_reloader():
+    """Return the most suitable reloader for this environment."""
+    try:
+        WatchmanReloader.check_availability()
+    except WatchmanUnavailable:
+        return StatReloader()
+    return WatchmanReloader()
+
+
+def start_django(reloader, main_func, *args, **kwargs):
+    ensure_echo_on()
+
+    main_func = check_errors(main_func)
+    django_main_thread = threading.Thread(
+        target=main_func, args=args, kwargs=kwargs, name="django-main-thread"
+    )
+    django_main_thread.daemon = True
+    django_main_thread.start()
+
+    while not reloader.should_stop:
+        reloader.run(django_main_thread)
+
+
+def run_with_reloader(main_func, *args, **kwargs):
+    signal.signal(signal.SIGTERM, lambda *args: sys.exit(0))
+    try:
+        if os.environ.get(DJANGO_AUTORELOAD_ENV) == "true":
+            reloader = get_reloader()
+            logger.info(
+                "Watching for file changes with %s", reloader.__class__.__name__
+            )
+            start_django(reloader, main_func, *args, **kwargs)
+        else:
+            exit_code = restart_with_reloader()
+            sys.exit(exit_code)
+    except KeyboardInterrupt:
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/cache.py
new file mode 100644
index 00000000..3b014fbe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/cache.py
@@ -0,0 +1,444 @@
+"""
+This module contains helper functions for controlling caching. It does so by
+managing the "Vary" header of responses. It includes functions to patch the
+header of response objects directly and decorators that change functions to do
+that header-patching themselves.
+
+For information on the Vary header, see RFC 9110 Section 12.5.5.
+
+Essentially, the "Vary" HTTP header defines which headers a cache should take
+into account when building its cache key. Requests with the same path but
+different header content for headers named in "Vary" need to get different
+cache keys to prevent delivery of wrong content.
+
+An example: i18n middleware would need to distinguish caches by the
+"Accept-language" header.
+"""
+
+import time
+from collections import defaultdict
+from hashlib import md5
+
+from django.conf import settings
+from django.core.cache import caches
+from django.http import HttpResponse, HttpResponseNotModified
+from django.utils.http import http_date, parse_etags, parse_http_date_safe, quote_etag
+from django.utils.log import log_response
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.timezone import get_current_timezone_name
+from django.utils.translation import get_language
+
+cc_delim_re = _lazy_re_compile(r"\s*,\s*")
+
+
+def patch_cache_control(response, **kwargs):
+    """
+    Patch the Cache-Control header by adding all keyword arguments to it.
+    The transformation is as follows:
+
+    * All keyword parameter names are turned to lowercase, and underscores
+      are converted to hyphens.
+    * If the value of a parameter is True (exactly True, not just a
+      true value), only the parameter name is added to the header.
+    * All other parameters are added with their value, after applying
+      str() to it.
+    """
+
+    def dictitem(s):
+        t = s.split("=", 1)
+        if len(t) > 1:
+            return (t[0].lower(), t[1])
+        else:
+            return (t[0].lower(), True)
+
+    def dictvalue(*t):
+        if t[1] is True:
+            return t[0]
+        else:
+            return "%s=%s" % (t[0], t[1])
+
+    cc = defaultdict(set)
+    if response.get("Cache-Control"):
+        for field in cc_delim_re.split(response.headers["Cache-Control"]):
+            directive, value = dictitem(field)
+            if directive == "no-cache":
+                # no-cache supports multiple field names.
+                cc[directive].add(value)
+            else:
+                cc[directive] = value
+
+    # If there's already a max-age header but we're being asked to set a new
+    # max-age, use the minimum of the two ages. In practice this happens when
+    # a decorator and a piece of middleware both operate on a given view.
+    if "max-age" in cc and "max_age" in kwargs:
+        kwargs["max_age"] = min(int(cc["max-age"]), kwargs["max_age"])
+
+    # Allow overriding private caching and vice versa
+    if "private" in cc and "public" in kwargs:
+        del cc["private"]
+    elif "public" in cc and "private" in kwargs:
+        del cc["public"]
+
+    for k, v in kwargs.items():
+        directive = k.replace("_", "-")
+        if directive == "no-cache":
+            # no-cache supports multiple field names.
+            cc[directive].add(v)
+        else:
+            cc[directive] = v
+
+    directives = []
+    for directive, values in cc.items():
+        if isinstance(values, set):
+            if True in values:
+                # True takes precedence.
+                values = {True}
+            directives.extend([dictvalue(directive, value) for value in values])
+        else:
+            directives.append(dictvalue(directive, values))
+    cc = ", ".join(directives)
+    response.headers["Cache-Control"] = cc
+
+
+def get_max_age(response):
+    """
+    Return the max-age from the response Cache-Control header as an integer,
+    or None if it wasn't found or wasn't an integer.
+    """
+    if not response.has_header("Cache-Control"):
+        return
+    cc = dict(
+        _to_tuple(el) for el in cc_delim_re.split(response.headers["Cache-Control"])
+    )
+    try:
+        return int(cc["max-age"])
+    except (ValueError, TypeError, KeyError):
+        pass
+
+
+def set_response_etag(response):
+    if not response.streaming and response.content:
+        response.headers["ETag"] = quote_etag(
+            md5(response.content, usedforsecurity=False).hexdigest(),
+        )
+    return response
+
+
+def _precondition_failed(request):
+    response = HttpResponse(status=412)
+    log_response(
+        "Precondition Failed: %s",
+        request.path,
+        response=response,
+        request=request,
+    )
+    return response
+
+
+def _not_modified(request, response=None):
+    new_response = HttpResponseNotModified()
+    if response:
+        # Preserve the headers required by RFC 9110 Section 15.4.5, as well as
+        # Last-Modified.
+        for header in (
+            "Cache-Control",
+            "Content-Location",
+            "Date",
+            "ETag",
+            "Expires",
+            "Last-Modified",
+            "Vary",
+        ):
+            if header in response:
+                new_response.headers[header] = response.headers[header]
+
+        # Preserve cookies as per the cookie specification: "If a proxy server
+        # receives a response which contains a Set-cookie header, it should
+        # propagate the Set-cookie header to the client, regardless of whether
+        # the response was 304 (Not Modified) or 200 (OK).
+        # https://curl.haxx.se/rfc/cookie_spec.html
+        new_response.cookies = response.cookies
+    return new_response
+
+
+def get_conditional_response(request, etag=None, last_modified=None, response=None):
+    # Only return conditional responses on successful requests.
+    if response and not (200 <= response.status_code < 300):
+        return response
+
+    # Get HTTP request headers.
+    if_match_etags = parse_etags(request.META.get("HTTP_IF_MATCH", ""))
+    if_unmodified_since = request.META.get("HTTP_IF_UNMODIFIED_SINCE")
+    if_unmodified_since = if_unmodified_since and parse_http_date_safe(
+        if_unmodified_since
+    )
+    if_none_match_etags = parse_etags(request.META.get("HTTP_IF_NONE_MATCH", ""))
+    if_modified_since = request.META.get("HTTP_IF_MODIFIED_SINCE")
+    if_modified_since = if_modified_since and parse_http_date_safe(if_modified_since)
+
+    # Evaluation of request preconditions below follows RFC 9110 Section
+    # 13.2.2.
+    # Step 1: Test the If-Match precondition.
+    if if_match_etags and not _if_match_passes(etag, if_match_etags):
+        return _precondition_failed(request)
+
+    # Step 2: Test the If-Unmodified-Since precondition.
+    if (
+        not if_match_etags
+        and if_unmodified_since
+        and not _if_unmodified_since_passes(last_modified, if_unmodified_since)
+    ):
+        return _precondition_failed(request)
+
+    # Step 3: Test the If-None-Match precondition.
+    if if_none_match_etags and not _if_none_match_passes(etag, if_none_match_etags):
+        if request.method in ("GET", "HEAD"):
+            return _not_modified(request, response)
+        else:
+            return _precondition_failed(request)
+
+    # Step 4: Test the If-Modified-Since precondition.
+    if (
+        not if_none_match_etags
+        and if_modified_since
+        and not _if_modified_since_passes(last_modified, if_modified_since)
+        and request.method in ("GET", "HEAD")
+    ):
+        return _not_modified(request, response)
+
+    # Step 5: Test the If-Range precondition (not supported).
+    # Step 6: Return original response since there isn't a conditional response.
+    return response
+
+
+def _if_match_passes(target_etag, etags):
+    """
+    Test the If-Match comparison as defined in RFC 9110 Section 13.1.1.
+    """
+    if not target_etag:
+        # If there isn't an ETag, then there can't be a match.
+        return False
+    elif etags == ["*"]:
+        # The existence of an ETag means that there is "a current
+        # representation for the target resource", even if the ETag is weak,
+        # so there is a match to '*'.
+        return True
+    elif target_etag.startswith("W/"):
+        # A weak ETag can never strongly match another ETag.
+        return False
+    else:
+        # Since the ETag is strong, this will only return True if there's a
+        # strong match.
+        return target_etag in etags
+
+
+def _if_unmodified_since_passes(last_modified, if_unmodified_since):
+    """
+    Test the If-Unmodified-Since comparison as defined in RFC 9110 Section
+    13.1.4.
+    """
+    return last_modified and last_modified <= if_unmodified_since
+
+
+def _if_none_match_passes(target_etag, etags):
+    """
+    Test the If-None-Match comparison as defined in RFC 9110 Section 13.1.2.
+    """
+    if not target_etag:
+        # If there isn't an ETag, then there isn't a match.
+        return True
+    elif etags == ["*"]:
+        # The existence of an ETag means that there is "a current
+        # representation for the target resource", so there is a match to '*'.
+        return False
+    else:
+        # The comparison should be weak, so look for a match after stripping
+        # off any weak indicators.
+        target_etag = target_etag.strip("W/")
+        etags = (etag.strip("W/") for etag in etags)
+        return target_etag not in etags
+
+
+def _if_modified_since_passes(last_modified, if_modified_since):
+    """
+    Test the If-Modified-Since comparison as defined in RFC 9110 Section
+    13.1.3.
+    """
+    return not last_modified or last_modified > if_modified_since
+
+
+def patch_response_headers(response, cache_timeout=None):
+    """
+    Add HTTP caching headers to the given HttpResponse: Expires and
+    Cache-Control.
+
+    Each header is only added if it isn't already set.
+
+    cache_timeout is in seconds. The CACHE_MIDDLEWARE_SECONDS setting is used
+    by default.
+    """
+    if cache_timeout is None:
+        cache_timeout = settings.CACHE_MIDDLEWARE_SECONDS
+    if cache_timeout < 0:
+        cache_timeout = 0  # Can't have max-age negative
+    if not response.has_header("Expires"):
+        response.headers["Expires"] = http_date(time.time() + cache_timeout)
+    patch_cache_control(response, max_age=cache_timeout)
+
+
+def add_never_cache_headers(response):
+    """
+    Add headers to a response to indicate that a page should never be cached.
+    """
+    patch_response_headers(response, cache_timeout=-1)
+    patch_cache_control(
+        response, no_cache=True, no_store=True, must_revalidate=True, private=True
+    )
+
+
+def patch_vary_headers(response, newheaders):
+    """
+    Add (or update) the "Vary" header in the given HttpResponse object.
+    newheaders is a list of header names that should be in "Vary". If headers
+    contains an asterisk, then "Vary" header will consist of a single asterisk
+    '*'. Otherwise, existing headers in "Vary" aren't removed.
+    """
+    # Note that we need to keep the original order intact, because cache
+    # implementations may rely on the order of the Vary contents in, say,
+    # computing an MD5 hash.
+    if response.has_header("Vary"):
+        vary_headers = cc_delim_re.split(response.headers["Vary"])
+    else:
+        vary_headers = []
+    # Use .lower() here so we treat headers as case-insensitive.
+    existing_headers = {header.lower() for header in vary_headers}
+    additional_headers = [
+        newheader
+        for newheader in newheaders
+        if newheader.lower() not in existing_headers
+    ]
+    vary_headers += additional_headers
+    if "*" in vary_headers:
+        response.headers["Vary"] = "*"
+    else:
+        response.headers["Vary"] = ", ".join(vary_headers)
+
+
+def has_vary_header(response, header_query):
+    """
+    Check to see if the response has a given header name in its Vary header.
+    """
+    if not response.has_header("Vary"):
+        return False
+    vary_headers = cc_delim_re.split(response.headers["Vary"])
+    existing_headers = {header.lower() for header in vary_headers}
+    return header_query.lower() in existing_headers
+
+
+def _i18n_cache_key_suffix(request, cache_key):
+    """If necessary, add the current locale or time zone to the cache key."""
+    if settings.USE_I18N:
+        # first check if LocaleMiddleware or another middleware added
+        # LANGUAGE_CODE to request, then fall back to the active language
+        # which in turn can also fall back to settings.LANGUAGE_CODE
+        cache_key += ".%s" % getattr(request, "LANGUAGE_CODE", get_language())
+    if settings.USE_TZ:
+        cache_key += ".%s" % get_current_timezone_name()
+    return cache_key
+
+
+def _generate_cache_key(request, method, headerlist, key_prefix):
+    """Return a cache key from the headers given in the header list."""
+    ctx = md5(usedforsecurity=False)
+    for header in headerlist:
+        value = request.META.get(header)
+        if value is not None:
+            ctx.update(value.encode())
+    url = md5(request.build_absolute_uri().encode("ascii"), usedforsecurity=False)
+    cache_key = "views.decorators.cache.cache_page.%s.%s.%s.%s" % (
+        key_prefix,
+        method,
+        url.hexdigest(),
+        ctx.hexdigest(),
+    )
+    return _i18n_cache_key_suffix(request, cache_key)
+
+
+def _generate_cache_header_key(key_prefix, request):
+    """Return a cache key for the header cache."""
+    url = md5(request.build_absolute_uri().encode("ascii"), usedforsecurity=False)
+    cache_key = "views.decorators.cache.cache_header.%s.%s" % (
+        key_prefix,
+        url.hexdigest(),
+    )
+    return _i18n_cache_key_suffix(request, cache_key)
+
+
+def get_cache_key(request, key_prefix=None, method="GET", cache=None):
+    """
+    Return a cache key based on the request URL and query. It can be used
+    in the request phase because it pulls the list of headers to take into
+    account from the global URL registry and uses those to build a cache key
+    to check against.
+
+    If there isn't a headerlist stored, return None, indicating that the page
+    needs to be rebuilt.
+    """
+    if key_prefix is None:
+        key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX
+    cache_key = _generate_cache_header_key(key_prefix, request)
+    if cache is None:
+        cache = caches[settings.CACHE_MIDDLEWARE_ALIAS]
+    headerlist = cache.get(cache_key)
+    if headerlist is not None:
+        return _generate_cache_key(request, method, headerlist, key_prefix)
+    else:
+        return None
+
+
+def learn_cache_key(request, response, cache_timeout=None, key_prefix=None, cache=None):
+    """
+    Learn what headers to take into account for some request URL from the
+    response object. Store those headers in a global URL registry so that
+    later access to that URL will know what headers to take into account
+    without building the response object itself. The headers are named in the
+    Vary header of the response, but we want to prevent response generation.
+
+    The list of headers to use for cache key generation is stored in the same
+    cache as the pages themselves. If the cache ages some data out of the
+    cache, this just means that we have to build the response once to get at
+    the Vary header and so at the list of headers to use for the cache key.
+    """
+    if key_prefix is None:
+        key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX
+    if cache_timeout is None:
+        cache_timeout = settings.CACHE_MIDDLEWARE_SECONDS
+    cache_key = _generate_cache_header_key(key_prefix, request)
+    if cache is None:
+        cache = caches[settings.CACHE_MIDDLEWARE_ALIAS]
+    if response.has_header("Vary"):
+        is_accept_language_redundant = settings.USE_I18N
+        # If i18n is used, the generated cache key will be suffixed with the
+        # current locale. Adding the raw value of Accept-Language is redundant
+        # in that case and would result in storing the same content under
+        # multiple keys in the cache. See #18191 for details.
+        headerlist = []
+        for header in cc_delim_re.split(response.headers["Vary"]):
+            header = header.upper().replace("-", "_")
+            if header != "ACCEPT_LANGUAGE" or not is_accept_language_redundant:
+                headerlist.append("HTTP_" + header)
+        headerlist.sort()
+        cache.set(cache_key, headerlist, cache_timeout)
+        return _generate_cache_key(request, request.method, headerlist, key_prefix)
+    else:
+        # if there is no Vary header, we still need a cache key
+        # for the request.build_absolute_uri()
+        cache.set(cache_key, [], cache_timeout)
+        return _generate_cache_key(request, request.method, [], key_prefix)
+
+
+def _to_tuple(s):
+    t = s.split("=", 1)
+    if len(t) == 2:
+        return t[0].lower(), t[1]
+    return t[0].lower(), True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/choices.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/choices.py
new file mode 100644
index 00000000..7f40bce5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/choices.py
@@ -0,0 +1,115 @@
+from collections.abc import Callable, Iterable, Iterator, Mapping
+from itertools import islice, tee, zip_longest
+
+from django.utils.functional import Promise
+
+__all__ = [
+    "BaseChoiceIterator",
+    "BlankChoiceIterator",
+    "CallableChoiceIterator",
+    "flatten_choices",
+    "normalize_choices",
+]
+
+
+class BaseChoiceIterator:
+    """Base class for lazy iterators for choices."""
+
+    def __eq__(self, other):
+        if isinstance(other, Iterable):
+            return all(a == b for a, b in zip_longest(self, other, fillvalue=object()))
+        return super().__eq__(other)
+
+    def __getitem__(self, index):
+        if index < 0:
+            # Suboptimally consume whole iterator to handle negative index.
+            return list(self)[index]
+        try:
+            return next(islice(self, index, index + 1))
+        except StopIteration:
+            raise IndexError("index out of range") from None
+
+    def __iter__(self):
+        raise NotImplementedError(
+            "BaseChoiceIterator subclasses must implement __iter__()."
+        )
+
+
+class BlankChoiceIterator(BaseChoiceIterator):
+    """Iterator to lazily inject a blank choice."""
+
+    def __init__(self, choices, blank_choice):
+        self.choices = choices
+        self.blank_choice = blank_choice
+
+    def __iter__(self):
+        choices, other = tee(self.choices)
+        if not any(value in ("", None) for value, _ in flatten_choices(other)):
+            yield from self.blank_choice
+        yield from choices
+
+
+class CallableChoiceIterator(BaseChoiceIterator):
+    """Iterator to lazily normalize choices generated by a callable."""
+
+    def __init__(self, func):
+        self.func = func
+
+    def __iter__(self):
+        yield from normalize_choices(self.func())
+
+
+def flatten_choices(choices):
+    """Flatten choices by removing nested values."""
+    for value_or_group, label_or_nested in choices or ():
+        if isinstance(label_or_nested, (list, tuple)):
+            yield from label_or_nested
+        else:
+            yield value_or_group, label_or_nested
+
+
+def normalize_choices(value, *, depth=0):
+    """Normalize choices values consistently for fields and widgets."""
+    # Avoid circular import when importing django.forms.
+    from django.db.models.enums import ChoicesType
+
+    match value:
+        case BaseChoiceIterator() | Promise() | bytes() | str():
+            # Avoid prematurely normalizing iterators that should be lazy.
+            # Because string-like types are iterable, return early to avoid
+            # iterating over them in the guard for the Iterable case below.
+            return value
+        case ChoicesType():
+            # Choices enumeration helpers already output in canonical form.
+            return value.choices
+        case Mapping() if depth < 2:
+            value = value.items()
+        case Iterator() if depth < 2:
+            # Although Iterator would be handled by the Iterable case below,
+            # the iterator would be consumed prematurely while checking that
+            # its elements are not string-like in the guard, so we handle it
+            # separately.
+            pass
+        case Iterable() if depth < 2 and not any(
+            isinstance(x, (Promise, bytes, str)) for x in value
+        ):
+            # String-like types are iterable, so the guard above ensures that
+            # they're handled by the default case below.
+            pass
+        case Callable() if depth == 0:
+            # If at the top level, wrap callables to be evaluated lazily.
+            return CallableChoiceIterator(value)
+        case Callable() if depth < 2:
+            value = value()
+        case _:
+            return value
+
+    try:
+        # Recursive call to convert any nested values to a list of 2-tuples.
+        return [(k, normalize_choices(v, depth=depth + 1)) for k, v in value]
+    except (TypeError, ValueError):
+        # Return original value for the system check to raise if it has items
+        # that are not iterable or not 2-tuples:
+        # - TypeError: cannot unpack non-iterable <type> object
+        # - ValueError: <not enough / too many> values to unpack
+        return value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/connection.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/connection.py
new file mode 100644
index 00000000..a278598f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/connection.py
@@ -0,0 +1,85 @@
+from asgiref.local import Local
+
+from django.conf import settings as django_settings
+from django.utils.functional import cached_property
+
+
+class ConnectionProxy:
+    """Proxy for accessing a connection object's attributes."""
+
+    def __init__(self, connections, alias):
+        self.__dict__["_connections"] = connections
+        self.__dict__["_alias"] = alias
+
+    def __getattr__(self, item):
+        return getattr(self._connections[self._alias], item)
+
+    def __setattr__(self, name, value):
+        return setattr(self._connections[self._alias], name, value)
+
+    def __delattr__(self, name):
+        return delattr(self._connections[self._alias], name)
+
+    def __contains__(self, key):
+        return key in self._connections[self._alias]
+
+    def __eq__(self, other):
+        return self._connections[self._alias] == other
+
+
+class ConnectionDoesNotExist(Exception):
+    pass
+
+
+class BaseConnectionHandler:
+    settings_name = None
+    exception_class = ConnectionDoesNotExist
+    thread_critical = False
+
+    def __init__(self, settings=None):
+        self._settings = settings
+        self._connections = Local(self.thread_critical)
+
+    @cached_property
+    def settings(self):
+        self._settings = self.configure_settings(self._settings)
+        return self._settings
+
+    def configure_settings(self, settings):
+        if settings is None:
+            settings = getattr(django_settings, self.settings_name)
+        return settings
+
+    def create_connection(self, alias):
+        raise NotImplementedError("Subclasses must implement create_connection().")
+
+    def __getitem__(self, alias):
+        try:
+            return getattr(self._connections, alias)
+        except AttributeError:
+            if alias not in self.settings:
+                raise self.exception_class(f"The connection '{alias}' doesn't exist.")
+        conn = self.create_connection(alias)
+        setattr(self._connections, alias, conn)
+        return conn
+
+    def __setitem__(self, key, value):
+        setattr(self._connections, key, value)
+
+    def __delitem__(self, key):
+        delattr(self._connections, key)
+
+    def __iter__(self):
+        return iter(self.settings)
+
+    def all(self, initialized_only=False):
+        return [
+            self[alias]
+            for alias in self
+            # If initialized_only is True, return only initialized connections.
+            if not initialized_only or hasattr(self._connections, alias)
+        ]
+
+    def close_all(self):
+        for conn in self.all(initialized_only=True):
+            conn.close()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/crypto.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/crypto.py
new file mode 100644
index 00000000..5134b854
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/crypto.py
@@ -0,0 +1,77 @@
+"""
+Django's standard crypto functions and utilities.
+"""
+
+import hashlib
+import hmac
+import secrets
+
+from django.conf import settings
+from django.utils.encoding import force_bytes
+
+
+class InvalidAlgorithm(ValueError):
+    """Algorithm is not supported by hashlib."""
+
+    pass
+
+
+def salted_hmac(key_salt, value, secret=None, *, algorithm="sha1"):
+    """
+    Return the HMAC of 'value', using a key generated from key_salt and a
+    secret (which defaults to settings.SECRET_KEY). Default algorithm is SHA1,
+    but any algorithm name supported by hashlib can be passed.
+
+    A different key_salt should be passed in for every application of HMAC.
+    """
+    if secret is None:
+        secret = settings.SECRET_KEY
+
+    key_salt = force_bytes(key_salt)
+    secret = force_bytes(secret)
+    try:
+        hasher = getattr(hashlib, algorithm)
+    except AttributeError as e:
+        raise InvalidAlgorithm(
+            "%r is not an algorithm accepted by the hashlib module." % algorithm
+        ) from e
+    # We need to generate a derived key from our base key.  We can do this by
+    # passing the key_salt and our base key through a pseudo-random function.
+    key = hasher(key_salt + secret).digest()
+    # If len(key_salt + secret) > block size of the hash algorithm, the above
+    # line is redundant and could be replaced by key = key_salt + secret, since
+    # the hmac module does the same thing for keys longer than the block size.
+    # However, we need to ensure that we *always* do this.
+    return hmac.new(key, msg=force_bytes(value), digestmod=hasher)
+
+
+RANDOM_STRING_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+
+
+def get_random_string(length, allowed_chars=RANDOM_STRING_CHARS):
+    """
+    Return a securely generated random string.
+
+    The bit length of the returned value can be calculated with the formula:
+        log_2(len(allowed_chars)^length)
+
+    For example, with default `allowed_chars` (26+26+10), this gives:
+      * length: 12, bit length =~ 71 bits
+      * length: 22, bit length =~ 131 bits
+    """
+    return "".join(secrets.choice(allowed_chars) for i in range(length))
+
+
+def constant_time_compare(val1, val2):
+    """Return True if the two strings are equal, False otherwise."""
+    return secrets.compare_digest(force_bytes(val1), force_bytes(val2))
+
+
+def pbkdf2(password, salt, iterations, dklen=0, digest=None):
+    """Return the hash of password using pbkdf2."""
+    if digest is None:
+        digest = hashlib.sha256
+    dklen = dklen or None
+    password = force_bytes(password)
+    salt = force_bytes(salt)
+    return hashlib.pbkdf2_hmac(digest().name, password, salt, iterations, dklen)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/datastructures.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/datastructures.py
new file mode 100644
index 00000000..ded606d0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/datastructures.py
@@ -0,0 +1,345 @@
+import copy
+from collections.abc import Mapping
+
+
+class OrderedSet:
+    """
+    A set which keeps the ordering of the inserted items.
+    """
+
+    def __init__(self, iterable=None):
+        self.dict = dict.fromkeys(iterable or ())
+
+    def add(self, item):
+        self.dict[item] = None
+
+    def remove(self, item):
+        del self.dict[item]
+
+    def discard(self, item):
+        try:
+            self.remove(item)
+        except KeyError:
+            pass
+
+    def __iter__(self):
+        return iter(self.dict)
+
+    def __reversed__(self):
+        return reversed(self.dict)
+
+    def __contains__(self, item):
+        return item in self.dict
+
+    def __bool__(self):
+        return bool(self.dict)
+
+    def __len__(self):
+        return len(self.dict)
+
+    def __repr__(self):
+        data = repr(list(self.dict)) if self.dict else ""
+        return f"{self.__class__.__qualname__}({data})"
+
+
+class MultiValueDictKeyError(KeyError):
+    pass
+
+
+class MultiValueDict(dict):
+    """
+    A subclass of dictionary customized to handle multiple values for the
+    same key.
+
+    >>> d = MultiValueDict({'name': ['Adrian', 'Simon'], 'position': ['Developer']})
+    >>> d['name']
+    'Simon'
+    >>> d.getlist('name')
+    ['Adrian', 'Simon']
+    >>> d.getlist('doesnotexist')
+    []
+    >>> d.getlist('doesnotexist', ['Adrian', 'Simon'])
+    ['Adrian', 'Simon']
+    >>> d.get('lastname', 'nonexistent')
+    'nonexistent'
+    >>> d.setlist('lastname', ['Holovaty', 'Willison'])
+
+    This class exists to solve the irritating problem raised by cgi.parse_qs,
+    which returns a list for every key, even though most web forms submit
+    single name-value pairs.
+    """
+
+    def __init__(self, key_to_list_mapping=()):
+        super().__init__(key_to_list_mapping)
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, super().__repr__())
+
+    def __getitem__(self, key):
+        """
+        Return the last data value for this key, or [] if it's an empty list;
+        raise KeyError if not found.
+        """
+        try:
+            list_ = super().__getitem__(key)
+        except KeyError:
+            raise MultiValueDictKeyError(key)
+        try:
+            return list_[-1]
+        except IndexError:
+            return []
+
+    def __setitem__(self, key, value):
+        super().__setitem__(key, [value])
+
+    def __copy__(self):
+        return self.__class__([(k, v[:]) for k, v in self.lists()])
+
+    def __deepcopy__(self, memo):
+        result = self.__class__()
+        memo[id(self)] = result
+        for key, value in dict.items(self):
+            dict.__setitem__(
+                result, copy.deepcopy(key, memo), copy.deepcopy(value, memo)
+            )
+        return result
+
+    def __getstate__(self):
+        return {**self.__dict__, "_data": {k: self._getlist(k) for k in self}}
+
+    def __setstate__(self, obj_dict):
+        data = obj_dict.pop("_data", {})
+        for k, v in data.items():
+            self.setlist(k, v)
+        self.__dict__.update(obj_dict)
+
+    def get(self, key, default=None):
+        """
+        Return the last data value for the passed key. If key doesn't exist
+        or value is an empty list, return `default`.
+        """
+        try:
+            val = self[key]
+        except KeyError:
+            return default
+        if val == []:
+            return default
+        return val
+
+    def _getlist(self, key, default=None, force_list=False):
+        """
+        Return a list of values for the key.
+
+        Used internally to manipulate values list. If force_list is True,
+        return a new copy of values.
+        """
+        try:
+            values = super().__getitem__(key)
+        except KeyError:
+            if default is None:
+                return []
+            return default
+        else:
+            if force_list:
+                values = list(values) if values is not None else None
+            return values
+
+    def getlist(self, key, default=None):
+        """
+        Return the list of values for the key. If key doesn't exist, return a
+        default value.
+        """
+        return self._getlist(key, default, force_list=True)
+
+    def setlist(self, key, list_):
+        super().__setitem__(key, list_)
+
+    def setdefault(self, key, default=None):
+        if key not in self:
+            self[key] = default
+            # Do not return default here because __setitem__() may store
+            # another value -- QueryDict.__setitem__() does. Look it up.
+        return self[key]
+
+    def setlistdefault(self, key, default_list=None):
+        if key not in self:
+            if default_list is None:
+                default_list = []
+            self.setlist(key, default_list)
+            # Do not return default_list here because setlist() may store
+            # another value -- QueryDict.setlist() does. Look it up.
+        return self._getlist(key)
+
+    def appendlist(self, key, value):
+        """Append an item to the internal list associated with key."""
+        self.setlistdefault(key).append(value)
+
+    def items(self):
+        """
+        Yield (key, value) pairs, where value is the last item in the list
+        associated with the key.
+        """
+        for key in self:
+            yield key, self[key]
+
+    def lists(self):
+        """Yield (key, list) pairs."""
+        return iter(super().items())
+
+    def values(self):
+        """Yield the last value on every key list."""
+        for key in self:
+            yield self[key]
+
+    def copy(self):
+        """Return a shallow copy of this object."""
+        return copy.copy(self)
+
+    def update(self, *args, **kwargs):
+        """Extend rather than replace existing key lists."""
+        if len(args) > 1:
+            raise TypeError("update expected at most 1 argument, got %d" % len(args))
+        if args:
+            arg = args[0]
+            if isinstance(arg, MultiValueDict):
+                for key, value_list in arg.lists():
+                    self.setlistdefault(key).extend(value_list)
+            else:
+                if isinstance(arg, Mapping):
+                    arg = arg.items()
+                for key, value in arg:
+                    self.setlistdefault(key).append(value)
+        for key, value in kwargs.items():
+            self.setlistdefault(key).append(value)
+
+    def dict(self):
+        """Return current object as a dict with singular values."""
+        return {key: self[key] for key in self}
+
+
+class ImmutableList(tuple):
+    """
+    A tuple-like object that raises useful errors when it is asked to mutate.
+
+    Example::
+
+        >>> a = ImmutableList(range(5), warning="You cannot mutate this.")
+        >>> a[3] = '4'
+        Traceback (most recent call last):
+            ...
+        AttributeError: You cannot mutate this.
+    """
+
+    def __new__(cls, *args, warning="ImmutableList object is immutable.", **kwargs):
+        self = tuple.__new__(cls, *args, **kwargs)
+        self.warning = warning
+        return self
+
+    def complain(self, *args, **kwargs):
+        raise AttributeError(self.warning)
+
+    # All list mutation functions complain.
+    __delitem__ = complain
+    __delslice__ = complain
+    __iadd__ = complain
+    __imul__ = complain
+    __setitem__ = complain
+    __setslice__ = complain
+    append = complain
+    extend = complain
+    insert = complain
+    pop = complain
+    remove = complain
+    sort = complain
+    reverse = complain
+
+
+class DictWrapper(dict):
+    """
+    Wrap accesses to a dictionary so that certain values (those starting with
+    the specified prefix) are passed through a function before being returned.
+    The prefix is removed before looking up the real value.
+
+    Used by the SQL construction code to ensure that values are correctly
+    quoted before being used.
+    """
+
+    def __init__(self, data, func, prefix):
+        super().__init__(data)
+        self.func = func
+        self.prefix = prefix
+
+    def __getitem__(self, key):
+        """
+        Retrieve the real value after stripping the prefix string (if
+        present). If the prefix is present, pass the value through self.func
+        before returning, otherwise return the raw value.
+        """
+        use_func = key.startswith(self.prefix)
+        key = key.removeprefix(self.prefix)
+        value = super().__getitem__(key)
+        if use_func:
+            return self.func(value)
+        return value
+
+
+class CaseInsensitiveMapping(Mapping):
+    """
+    Mapping allowing case-insensitive key lookups. Original case of keys is
+    preserved for iteration and string representation.
+
+    Example::
+
+        >>> ci_map = CaseInsensitiveMapping({'name': 'Jane'})
+        >>> ci_map['Name']
+        Jane
+        >>> ci_map['NAME']
+        Jane
+        >>> ci_map['name']
+        Jane
+        >>> ci_map  # original case preserved
+        {'name': 'Jane'}
+    """
+
+    def __init__(self, data):
+        self._store = {k.lower(): (k, v) for k, v in self._unpack_items(data)}
+
+    def __getitem__(self, key):
+        return self._store[key.lower()][1]
+
+    def __len__(self):
+        return len(self._store)
+
+    def __eq__(self, other):
+        return isinstance(other, Mapping) and {
+            k.lower(): v for k, v in self.items()
+        } == {k.lower(): v for k, v in other.items()}
+
+    def __iter__(self):
+        return (original_key for original_key, value in self._store.values())
+
+    def __repr__(self):
+        return repr({key: value for key, value in self._store.values()})
+
+    def copy(self):
+        return self
+
+    @staticmethod
+    def _unpack_items(data):
+        # Explicitly test for dict first as the common case for performance,
+        # avoiding abc's __instancecheck__ and _abc_instancecheck for the
+        # general Mapping case.
+        if isinstance(data, (dict, Mapping)):
+            yield from data.items()
+            return
+        for i, elem in enumerate(data):
+            if len(elem) != 2:
+                raise ValueError(
+                    "dictionary update sequence element #{} has length {}; "
+                    "2 is required.".format(i, len(elem))
+                )
+            if not isinstance(elem[0], str):
+                raise ValueError(
+                    "Element key %r invalid, only strings are allowed" % elem[0]
+                )
+            yield elem
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dateformat.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dateformat.py
new file mode 100644
index 00000000..a3274b90
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dateformat.py
@@ -0,0 +1,331 @@
+"""
+PHP date() style date formatting
+See https://www.php.net/date for format strings
+
+Usage:
+>>> from datetime import datetime
+>>> d = datetime.now()
+>>> df = DateFormat(d)
+>>> print(df.format('jS F Y H:i'))
+7th October 2003 11:39
+>>>
+"""
+
+import calendar
+from datetime import date, datetime, time
+from email.utils import format_datetime as format_datetime_rfc5322
+
+from django.utils.dates import (
+    MONTHS,
+    MONTHS_3,
+    MONTHS_ALT,
+    MONTHS_AP,
+    WEEKDAYS,
+    WEEKDAYS_ABBR,
+)
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.timezone import (
+    _datetime_ambiguous_or_imaginary,
+    get_default_timezone,
+    is_naive,
+    make_aware,
+)
+from django.utils.translation import gettext as _
+
+re_formatchars = _lazy_re_compile(r"(?<!\\)([aAbcdDeEfFgGhHiIjlLmMnNoOPrsStTUuwWyYzZ])")
+re_escaped = _lazy_re_compile(r"\\(.)")
+
+
+class Formatter:
+    def format(self, formatstr):
+        pieces = []
+        for i, piece in enumerate(re_formatchars.split(str(formatstr))):
+            if i % 2:
+                if type(self.data) is date and hasattr(TimeFormat, piece):
+                    raise TypeError(
+                        "The format for date objects may not contain "
+                        "time-related format specifiers (found '%s')." % piece
+                    )
+                pieces.append(str(getattr(self, piece)()))
+            elif piece:
+                pieces.append(re_escaped.sub(r"\1", piece))
+        return "".join(pieces)
+
+
+class TimeFormat(Formatter):
+    def __init__(self, obj):
+        self.data = obj
+        self.timezone = None
+
+        if isinstance(obj, datetime):
+            # Timezone is only supported when formatting datetime objects, not
+            # date objects (timezone information not appropriate), or time
+            # objects (against established django policy).
+            if is_naive(obj):
+                timezone = get_default_timezone()
+            else:
+                timezone = obj.tzinfo
+            if not _datetime_ambiguous_or_imaginary(obj, timezone):
+                self.timezone = timezone
+
+    def a(self):
+        "'a.m.' or 'p.m.'"
+        if self.data.hour > 11:
+            return _("p.m.")
+        return _("a.m.")
+
+    def A(self):
+        "'AM' or 'PM'"
+        if self.data.hour > 11:
+            return _("PM")
+        return _("AM")
+
+    def e(self):
+        """
+        Timezone name.
+
+        If timezone information is not available, return an empty string.
+        """
+        if not self.timezone:
+            return ""
+
+        try:
+            if getattr(self.data, "tzinfo", None):
+                return self.data.tzname() or ""
+        except NotImplementedError:
+            pass
+        return ""
+
+    def f(self):
+        """
+        Time, in 12-hour hours and minutes, with minutes left off if they're
+        zero.
+        Examples: '1', '1:30', '2:05', '2'
+        Proprietary extension.
+        """
+        hour = self.data.hour % 12 or 12
+        minute = self.data.minute
+        return "%d:%02d" % (hour, minute) if minute else hour
+
+    def g(self):
+        "Hour, 12-hour format without leading zeros; i.e. '1' to '12'"
+        return self.data.hour % 12 or 12
+
+    def G(self):
+        "Hour, 24-hour format without leading zeros; i.e. '0' to '23'"
+        return self.data.hour
+
+    def h(self):
+        "Hour, 12-hour format; i.e. '01' to '12'"
+        return "%02d" % (self.data.hour % 12 or 12)
+
+    def H(self):
+        "Hour, 24-hour format; i.e. '00' to '23'"
+        return "%02d" % self.data.hour
+
+    def i(self):
+        "Minutes; i.e. '00' to '59'"
+        return "%02d" % self.data.minute
+
+    def O(self):  # NOQA: E743, E741
+        """
+        Difference to Greenwich time in hours; e.g. '+0200', '-0430'.
+
+        If timezone information is not available, return an empty string.
+        """
+        if self.timezone is None:
+            return ""
+
+        offset = self.timezone.utcoffset(self.data)
+        seconds = offset.days * 86400 + offset.seconds
+        sign = "-" if seconds < 0 else "+"
+        seconds = abs(seconds)
+        return "%s%02d%02d" % (sign, seconds // 3600, (seconds // 60) % 60)
+
+    def P(self):
+        """
+        Time, in 12-hour hours, minutes and 'a.m.'/'p.m.', with minutes left off
+        if they're zero and the strings 'midnight' and 'noon' if appropriate.
+        Examples: '1 a.m.', '1:30 p.m.', 'midnight', 'noon', '12:30 p.m.'
+        Proprietary extension.
+        """
+        if self.data.minute == 0 and self.data.hour == 0:
+            return _("midnight")
+        if self.data.minute == 0 and self.data.hour == 12:
+            return _("noon")
+        return "%s %s" % (self.f(), self.a())
+
+    def s(self):
+        "Seconds; i.e. '00' to '59'"
+        return "%02d" % self.data.second
+
+    def T(self):
+        """
+        Time zone of this machine; e.g. 'EST' or 'MDT'.
+
+        If timezone information is not available, return an empty string.
+        """
+        if self.timezone is None:
+            return ""
+
+        return str(self.timezone.tzname(self.data))
+
+    def u(self):
+        "Microseconds; i.e. '000000' to '999999'"
+        return "%06d" % self.data.microsecond
+
+    def Z(self):
+        """
+        Time zone offset in seconds (i.e. '-43200' to '43200'). The offset for
+        timezones west of UTC is always negative, and for those east of UTC is
+        always positive.
+
+        If timezone information is not available, return an empty string.
+        """
+        if self.timezone is None:
+            return ""
+
+        offset = self.timezone.utcoffset(self.data)
+
+        # `offset` is a datetime.timedelta. For negative values (to the west of
+        # UTC) only days can be negative (days=-1) and seconds are always
+        # positive. e.g. UTC-1 -> timedelta(days=-1, seconds=82800, microseconds=0)
+        # Positive offsets have days=0
+        return offset.days * 86400 + offset.seconds
+
+
+class DateFormat(TimeFormat):
+    def b(self):
+        "Month, textual, 3 letters, lowercase; e.g. 'jan'"
+        return MONTHS_3[self.data.month]
+
+    def c(self):
+        """
+        ISO 8601 Format
+        Example : '2008-01-02T10:30:00.000123'
+        """
+        return self.data.isoformat()
+
+    def d(self):
+        "Day of the month, 2 digits with leading zeros; i.e. '01' to '31'"
+        return "%02d" % self.data.day
+
+    def D(self):
+        "Day of the week, textual, 3 letters; e.g. 'Fri'"
+        return WEEKDAYS_ABBR[self.data.weekday()]
+
+    def E(self):
+        "Alternative month names as required by some locales. Proprietary extension."
+        return MONTHS_ALT[self.data.month]
+
+    def F(self):
+        "Month, textual, long; e.g. 'January'"
+        return MONTHS[self.data.month]
+
+    def I(self):  # NOQA: E743, E741
+        "'1' if daylight saving time, '0' otherwise."
+        if self.timezone is None:
+            return ""
+        return "1" if self.timezone.dst(self.data) else "0"
+
+    def j(self):
+        "Day of the month without leading zeros; i.e. '1' to '31'"
+        return self.data.day
+
+    def l(self):  # NOQA: E743, E741
+        "Day of the week, textual, long; e.g. 'Friday'"
+        return WEEKDAYS[self.data.weekday()]
+
+    def L(self):
+        "Boolean for whether it is a leap year; i.e. True or False"
+        return calendar.isleap(self.data.year)
+
+    def m(self):
+        "Month; i.e. '01' to '12'"
+        return "%02d" % self.data.month
+
+    def M(self):
+        "Month, textual, 3 letters; e.g. 'Jan'"
+        return MONTHS_3[self.data.month].title()
+
+    def n(self):
+        "Month without leading zeros; i.e. '1' to '12'"
+        return self.data.month
+
+    def N(self):
+        "Month abbreviation in Associated Press style. Proprietary extension."
+        return MONTHS_AP[self.data.month]
+
+    def o(self):
+        "ISO 8601 year number matching the ISO week number (W)"
+        return self.data.isocalendar().year
+
+    def r(self):
+        "RFC 5322 formatted date; e.g. 'Thu, 21 Dec 2000 16:01:07 +0200'"
+        value = self.data
+        if not isinstance(value, datetime):
+            # Assume midnight in default timezone if datetime.date provided.
+            default_timezone = get_default_timezone()
+            value = datetime.combine(value, time.min).replace(tzinfo=default_timezone)
+        elif is_naive(value):
+            value = make_aware(value, timezone=self.timezone)
+        return format_datetime_rfc5322(value)
+
+    def S(self):
+        """
+        English ordinal suffix for the day of the month, 2 characters; i.e.
+        'st', 'nd', 'rd' or 'th'.
+        """
+        if self.data.day in (11, 12, 13):  # Special case
+            return "th"
+        last = self.data.day % 10
+        if last == 1:
+            return "st"
+        if last == 2:
+            return "nd"
+        if last == 3:
+            return "rd"
+        return "th"
+
+    def t(self):
+        "Number of days in the given month; i.e. '28' to '31'"
+        return calendar.monthrange(self.data.year, self.data.month)[1]
+
+    def U(self):
+        "Seconds since the Unix epoch (January 1 1970 00:00:00 GMT)"
+        value = self.data
+        if not isinstance(value, datetime):
+            value = datetime.combine(value, time.min)
+        return int(value.timestamp())
+
+    def w(self):
+        "Day of the week, numeric, i.e. '0' (Sunday) to '6' (Saturday)"
+        return (self.data.weekday() + 1) % 7
+
+    def W(self):
+        "ISO-8601 week number of year, weeks starting on Monday"
+        return self.data.isocalendar().week
+
+    def y(self):
+        """Year, 2 digits with leading zeros; e.g. '99'."""
+        return "%02d" % (self.data.year % 100)
+
+    def Y(self):
+        """Year, 4 digits with leading zeros; e.g. '1999'."""
+        return "%04d" % self.data.year
+
+    def z(self):
+        """Day of the year, i.e. 1 to 366."""
+        return self.data.timetuple().tm_yday
+
+
+def format(value, format_string):
+    "Convenience function"
+    df = DateFormat(value)
+    return df.format(format_string)
+
+
+def time_format(value, format_string):
+    "Convenience function"
+    tf = TimeFormat(value)
+    return tf.format(format_string)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dateparse.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dateparse.py
new file mode 100644
index 00000000..5cedd1af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dateparse.py
@@ -0,0 +1,154 @@
+"""Functions to parse datetime objects."""
+
+# We're using regular expressions rather than time.strptime because:
+# - They provide both validation and parsing.
+# - They're more flexible for datetimes.
+# - The date/datetime/time constructors produce friendlier error messages.
+
+import datetime
+
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.timezone import get_fixed_timezone
+
+date_re = _lazy_re_compile(r"(?P<year>\d{4})-(?P<month>\d{1,2})-(?P<day>\d{1,2})$")
+
+time_re = _lazy_re_compile(
+    r"(?P<hour>\d{1,2}):(?P<minute>\d{1,2})"
+    r"(?::(?P<second>\d{1,2})(?:[.,](?P<microsecond>\d{1,6})\d{0,6})?)?$"
+)
+
+datetime_re = _lazy_re_compile(
+    r"(?P<year>\d{4})-(?P<month>\d{1,2})-(?P<day>\d{1,2})"
+    r"[T ](?P<hour>\d{1,2}):(?P<minute>\d{1,2})"
+    r"(?::(?P<second>\d{1,2})(?:[.,](?P<microsecond>\d{1,6})\d{0,6})?)?"
+    r"\s*(?P<tzinfo>Z|[+-]\d{2}(?::?\d{2})?)?$"
+)
+
+standard_duration_re = _lazy_re_compile(
+    r"^"
+    r"(?:(?P<days>-?\d+) (days?, )?)?"
+    r"(?P<sign>-?)"
+    r"((?:(?P<hours>\d+):)(?=\d+:\d+))?"
+    r"(?:(?P<minutes>\d+):)?"
+    r"(?P<seconds>\d+)"
+    r"(?:[.,](?P<microseconds>\d{1,6})\d{0,6})?"
+    r"$"
+)
+
+# Support the sections of ISO 8601 date representation that are accepted by
+# timedelta
+iso8601_duration_re = _lazy_re_compile(
+    r"^(?P<sign>[-+]?)"
+    r"P"
+    r"(?:(?P<days>\d+([.,]\d+)?)D)?"
+    r"(?:T"
+    r"(?:(?P<hours>\d+([.,]\d+)?)H)?"
+    r"(?:(?P<minutes>\d+([.,]\d+)?)M)?"
+    r"(?:(?P<seconds>\d+([.,]\d+)?)S)?"
+    r")?"
+    r"$"
+)
+
+# Support PostgreSQL's day-time interval format, e.g. "3 days 04:05:06". The
+# year-month and mixed intervals cannot be converted to a timedelta and thus
+# aren't accepted.
+postgres_interval_re = _lazy_re_compile(
+    r"^"
+    r"(?:(?P<days>-?\d+) (days? ?))?"
+    r"(?:(?P<sign>[-+])?"
+    r"(?P<hours>\d+):"
+    r"(?P<minutes>\d\d):"
+    r"(?P<seconds>\d\d)"
+    r"(?:\.(?P<microseconds>\d{1,6}))?"
+    r")?$"
+)
+
+
+def parse_date(value):
+    """Parse a string and return a datetime.date.
+
+    Raise ValueError if the input is well formatted but not a valid date.
+    Return None if the input isn't well formatted.
+    """
+    try:
+        return datetime.date.fromisoformat(value)
+    except ValueError:
+        if match := date_re.match(value):
+            kw = {k: int(v) for k, v in match.groupdict().items()}
+            return datetime.date(**kw)
+
+
+def parse_time(value):
+    """Parse a string and return a datetime.time.
+
+    This function doesn't support time zone offsets.
+
+    Raise ValueError if the input is well formatted but not a valid time.
+    Return None if the input isn't well formatted, in particular if it
+    contains an offset.
+    """
+    try:
+        # The fromisoformat() method takes time zone info into account and
+        # returns a time with a tzinfo component, if possible. However, there
+        # are no circumstances where aware datetime.time objects make sense, so
+        # remove the time zone offset.
+        return datetime.time.fromisoformat(value).replace(tzinfo=None)
+    except ValueError:
+        if match := time_re.match(value):
+            kw = match.groupdict()
+            kw["microsecond"] = kw["microsecond"] and kw["microsecond"].ljust(6, "0")
+            kw = {k: int(v) for k, v in kw.items() if v is not None}
+            return datetime.time(**kw)
+
+
+def parse_datetime(value):
+    """Parse a string and return a datetime.datetime.
+
+    This function supports time zone offsets. When the input contains one,
+    the output uses a timezone with a fixed offset from UTC.
+
+    Raise ValueError if the input is well formatted but not a valid datetime.
+    Return None if the input isn't well formatted.
+    """
+    try:
+        return datetime.datetime.fromisoformat(value)
+    except ValueError:
+        if match := datetime_re.match(value):
+            kw = match.groupdict()
+            kw["microsecond"] = kw["microsecond"] and kw["microsecond"].ljust(6, "0")
+            tzinfo = kw.pop("tzinfo")
+            if tzinfo == "Z":
+                tzinfo = datetime.timezone.utc
+            elif tzinfo is not None:
+                offset_mins = int(tzinfo[-2:]) if len(tzinfo) > 3 else 0
+                offset = 60 * int(tzinfo[1:3]) + offset_mins
+                if tzinfo[0] == "-":
+                    offset = -offset
+                tzinfo = get_fixed_timezone(offset)
+            kw = {k: int(v) for k, v in kw.items() if v is not None}
+            return datetime.datetime(**kw, tzinfo=tzinfo)
+
+
+def parse_duration(value):
+    """Parse a duration string and return a datetime.timedelta.
+
+    The preferred format for durations in Django is '%d %H:%M:%S.%f'.
+
+    Also supports ISO 8601 representation and PostgreSQL's day-time interval
+    format.
+    """
+    match = (
+        standard_duration_re.match(value)
+        or iso8601_duration_re.match(value)
+        or postgres_interval_re.match(value)
+    )
+    if match:
+        kw = match.groupdict()
+        sign = -1 if kw.pop("sign", "+") == "-" else 1
+        if kw.get("microseconds"):
+            kw["microseconds"] = kw["microseconds"].ljust(6, "0")
+        kw = {k: float(v.replace(",", ".")) for k, v in kw.items() if v is not None}
+        days = datetime.timedelta(kw.pop("days", 0.0) or 0.0)
+        if match.re == iso8601_duration_re:
+            days *= sign
+        return days + sign * datetime.timedelta(**kw)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dates.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dates.py
new file mode 100644
index 00000000..05ac3293
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/dates.py
@@ -0,0 +1,79 @@
+"Commonly-used date structures"
+
+from django.utils.translation import gettext_lazy as _
+from django.utils.translation import pgettext_lazy
+
+WEEKDAYS = {
+    0: _("Monday"),
+    1: _("Tuesday"),
+    2: _("Wednesday"),
+    3: _("Thursday"),
+    4: _("Friday"),
+    5: _("Saturday"),
+    6: _("Sunday"),
+}
+WEEKDAYS_ABBR = {
+    0: _("Mon"),
+    1: _("Tue"),
+    2: _("Wed"),
+    3: _("Thu"),
+    4: _("Fri"),
+    5: _("Sat"),
+    6: _("Sun"),
+}
+MONTHS = {
+    1: _("January"),
+    2: _("February"),
+    3: _("March"),
+    4: _("April"),
+    5: _("May"),
+    6: _("June"),
+    7: _("July"),
+    8: _("August"),
+    9: _("September"),
+    10: _("October"),
+    11: _("November"),
+    12: _("December"),
+}
+MONTHS_3 = {
+    1: _("jan"),
+    2: _("feb"),
+    3: _("mar"),
+    4: _("apr"),
+    5: _("may"),
+    6: _("jun"),
+    7: _("jul"),
+    8: _("aug"),
+    9: _("sep"),
+    10: _("oct"),
+    11: _("nov"),
+    12: _("dec"),
+}
+MONTHS_AP = {  # month names in Associated Press style
+    1: pgettext_lazy("abbrev. month", "Jan."),
+    2: pgettext_lazy("abbrev. month", "Feb."),
+    3: pgettext_lazy("abbrev. month", "March"),
+    4: pgettext_lazy("abbrev. month", "April"),
+    5: pgettext_lazy("abbrev. month", "May"),
+    6: pgettext_lazy("abbrev. month", "June"),
+    7: pgettext_lazy("abbrev. month", "July"),
+    8: pgettext_lazy("abbrev. month", "Aug."),
+    9: pgettext_lazy("abbrev. month", "Sept."),
+    10: pgettext_lazy("abbrev. month", "Oct."),
+    11: pgettext_lazy("abbrev. month", "Nov."),
+    12: pgettext_lazy("abbrev. month", "Dec."),
+}
+MONTHS_ALT = {  # required for long date representation by some locales
+    1: pgettext_lazy("alt. month", "January"),
+    2: pgettext_lazy("alt. month", "February"),
+    3: pgettext_lazy("alt. month", "March"),
+    4: pgettext_lazy("alt. month", "April"),
+    5: pgettext_lazy("alt. month", "May"),
+    6: pgettext_lazy("alt. month", "June"),
+    7: pgettext_lazy("alt. month", "July"),
+    8: pgettext_lazy("alt. month", "August"),
+    9: pgettext_lazy("alt. month", "September"),
+    10: pgettext_lazy("alt. month", "October"),
+    11: pgettext_lazy("alt. month", "November"),
+    12: pgettext_lazy("alt. month", "December"),
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/deconstruct.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/deconstruct.py
new file mode 100644
index 00000000..2e5463a6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/deconstruct.py
@@ -0,0 +1,61 @@
+from importlib import import_module
+
+from django.utils.version import get_docs_version
+
+
+def deconstructible(*args, path=None):
+    """
+    Class decorator that allows the decorated class to be serialized
+    by the migrations subsystem.
+
+    The `path` kwarg specifies the import path.
+    """
+
+    def decorator(klass):
+        def __new__(cls, *args, **kwargs):
+            # We capture the arguments to make returning them trivial
+            obj = super(klass, cls).__new__(cls)
+            obj._constructor_args = (args, kwargs)
+            return obj
+
+        def deconstruct(obj):
+            """
+            Return a 3-tuple of class import path, positional arguments,
+            and keyword arguments.
+            """
+            # Fallback version
+            if path and type(obj) is klass:
+                module_name, _, name = path.rpartition(".")
+            else:
+                module_name = obj.__module__
+                name = obj.__class__.__name__
+            # Make sure it's actually there and not an inner class
+            module = import_module(module_name)
+            if not hasattr(module, name):
+                raise ValueError(
+                    "Could not find object %s in %s.\n"
+                    "Please note that you cannot serialize things like inner "
+                    "classes. Please move the object into the main module "
+                    "body to use migrations.\n"
+                    "For more information, see "
+                    "https://docs.djangoproject.com/en/%s/topics/migrations/"
+                    "#serializing-values" % (name, module_name, get_docs_version())
+                )
+            return (
+                (
+                    path
+                    if path and type(obj) is klass
+                    else f"{obj.__class__.__module__}.{name}"
+                ),
+                obj._constructor_args[0],
+                obj._constructor_args[1],
+            )
+
+        klass.__new__ = staticmethod(__new__)
+        klass.deconstruct = deconstruct
+
+        return klass
+
+    if not args:
+        return decorator
+    return decorator(*args)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/decorators.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/decorators.py
new file mode 100644
index 00000000..d8814b0d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/decorators.py
@@ -0,0 +1,225 @@
+"Functions that help with dynamically creating decorators for views."
+
+from functools import partial, update_wrapper, wraps
+
+from asgiref.sync import iscoroutinefunction
+
+
+class classonlymethod(classmethod):
+    def __get__(self, instance, cls=None):
+        if instance is not None:
+            raise AttributeError(
+                "This method is available only on the class, not on instances."
+            )
+        return super().__get__(instance, cls)
+
+
+def _update_method_wrapper(_wrapper, decorator):
+    # _multi_decorate()'s bound_method isn't available in this scope. Cheat by
+    # using it on a dummy function.
+    @decorator
+    def dummy(*args, **kwargs):
+        pass
+
+    update_wrapper(_wrapper, dummy)
+
+
+def _multi_decorate(decorators, method):
+    """
+    Decorate `method` with one or more function decorators. `decorators` can be
+    a single decorator or an iterable of decorators.
+    """
+    if hasattr(decorators, "__iter__"):
+        # Apply a list/tuple of decorators if 'decorators' is one. Decorator
+        # functions are applied so that the call order is the same as the
+        # order in which they appear in the iterable.
+        decorators = decorators[::-1]
+    else:
+        decorators = [decorators]
+
+    def _wrapper(self, *args, **kwargs):
+        # bound_method has the signature that 'decorator' expects i.e. no
+        # 'self' argument, but it's a closure over self so it can call
+        # 'func'. Also, wrap method.__get__() in a function because new
+        # attributes can't be set on bound method objects, only on functions.
+        bound_method = wraps(method)(partial(method.__get__(self, type(self))))
+        for dec in decorators:
+            bound_method = dec(bound_method)
+        return bound_method(*args, **kwargs)
+
+    # Copy any attributes that a decorator adds to the function it decorates.
+    for dec in decorators:
+        _update_method_wrapper(_wrapper, dec)
+    # Preserve any existing attributes of 'method', including the name.
+    update_wrapper(_wrapper, method)
+    return _wrapper
+
+
+def method_decorator(decorator, name=""):
+    """
+    Convert a function decorator into a method decorator
+    """
+
+    # 'obj' can be a class or a function. If 'obj' is a function at the time it
+    # is passed to _dec,  it will eventually be a method of the class it is
+    # defined on. If 'obj' is a class, the 'name' is required to be the name
+    # of the method that will be decorated.
+    def _dec(obj):
+        if not isinstance(obj, type):
+            return _multi_decorate(decorator, obj)
+        if not (name and hasattr(obj, name)):
+            raise ValueError(
+                "The keyword argument `name` must be the name of a method "
+                "of the decorated class: %s. Got '%s' instead." % (obj, name)
+            )
+        method = getattr(obj, name)
+        if not callable(method):
+            raise TypeError(
+                "Cannot decorate '%s' as it isn't a callable attribute of "
+                "%s (%s)." % (name, obj, method)
+            )
+        _wrapper = _multi_decorate(decorator, method)
+        setattr(obj, name, _wrapper)
+        return obj
+
+    # Don't worry about making _dec look similar to a list/tuple as it's rather
+    # meaningless.
+    if not hasattr(decorator, "__iter__"):
+        update_wrapper(_dec, decorator)
+    # Change the name to aid debugging.
+    obj = decorator if hasattr(decorator, "__name__") else decorator.__class__
+    _dec.__name__ = "method_decorator(%s)" % obj.__name__
+    return _dec
+
+
+def decorator_from_middleware_with_args(middleware_class):
+    """
+    Like decorator_from_middleware, but return a function
+    that accepts the arguments to be passed to the middleware_class.
+    Use like::
+
+         cache_page = decorator_from_middleware_with_args(CacheMiddleware)
+         # ...
+
+         @cache_page(3600)
+         def my_view(request):
+             # ...
+    """
+    return make_middleware_decorator(middleware_class)
+
+
+def decorator_from_middleware(middleware_class):
+    """
+    Given a middleware class (not an instance), return a view decorator. This
+    lets you use middleware functionality on a per-view basis. The middleware
+    is created with no params passed.
+    """
+    return make_middleware_decorator(middleware_class)()
+
+
+def make_middleware_decorator(middleware_class):
+    def _make_decorator(*m_args, **m_kwargs):
+        def _decorator(view_func):
+            middleware = middleware_class(view_func, *m_args, **m_kwargs)
+
+            def _pre_process_request(request, *args, **kwargs):
+                if hasattr(middleware, "process_request"):
+                    result = middleware.process_request(request)
+                    if result is not None:
+                        return result
+                if hasattr(middleware, "process_view"):
+                    result = middleware.process_view(request, view_func, args, kwargs)
+                    if result is not None:
+                        return result
+                return None
+
+            def _process_exception(request, exception):
+                if hasattr(middleware, "process_exception"):
+                    result = middleware.process_exception(request, exception)
+                    if result is not None:
+                        return result
+                raise
+
+            def _post_process_request(request, response):
+                if hasattr(response, "render") and callable(response.render):
+                    if hasattr(middleware, "process_template_response"):
+                        response = middleware.process_template_response(
+                            request, response
+                        )
+                    # Defer running of process_response until after the template
+                    # has been rendered:
+                    if hasattr(middleware, "process_response"):
+
+                        def callback(response):
+                            return middleware.process_response(request, response)
+
+                        response.add_post_render_callback(callback)
+                else:
+                    if hasattr(middleware, "process_response"):
+                        return middleware.process_response(request, response)
+                return response
+
+            if iscoroutinefunction(view_func):
+
+                async def _view_wrapper(request, *args, **kwargs):
+                    result = _pre_process_request(request, *args, **kwargs)
+                    if result is not None:
+                        return result
+
+                    try:
+                        response = await view_func(request, *args, **kwargs)
+                    except Exception as e:
+                        result = _process_exception(request, e)
+                        if result is not None:
+                            return result
+
+                    return _post_process_request(request, response)
+
+            else:
+
+                def _view_wrapper(request, *args, **kwargs):
+                    result = _pre_process_request(request, *args, **kwargs)
+                    if result is not None:
+                        return result
+
+                    try:
+                        response = view_func(request, *args, **kwargs)
+                    except Exception as e:
+                        result = _process_exception(request, e)
+                        if result is not None:
+                            return result
+
+                    return _post_process_request(request, response)
+
+            return wraps(view_func)(_view_wrapper)
+
+        return _decorator
+
+    return _make_decorator
+
+
+def sync_and_async_middleware(func):
+    """
+    Mark a middleware factory as returning a hybrid middleware supporting both
+    types of request.
+    """
+    func.sync_capable = True
+    func.async_capable = True
+    return func
+
+
+def sync_only_middleware(func):
+    """
+    Mark a middleware factory as returning a sync middleware.
+    This is the default.
+    """
+    func.sync_capable = True
+    func.async_capable = False
+    return func
+
+
+def async_only_middleware(func):
+    """Mark a middleware factory as returning an async middleware."""
+    func.sync_capable = False
+    func.async_capable = True
+    return func
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/deprecation.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/deprecation.py
new file mode 100644
index 00000000..836cfa56
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/deprecation.py
@@ -0,0 +1,156 @@
+import inspect
+import warnings
+
+from asgiref.sync import iscoroutinefunction, markcoroutinefunction, sync_to_async
+
+
+class RemovedInDjango51Warning(DeprecationWarning):
+    pass
+
+
+class RemovedInDjango60Warning(PendingDeprecationWarning):
+    pass
+
+
+RemovedInNextVersionWarning = RemovedInDjango51Warning
+RemovedAfterNextVersionWarning = RemovedInDjango60Warning
+
+
+class warn_about_renamed_method:
+    def __init__(
+        self, class_name, old_method_name, new_method_name, deprecation_warning
+    ):
+        self.class_name = class_name
+        self.old_method_name = old_method_name
+        self.new_method_name = new_method_name
+        self.deprecation_warning = deprecation_warning
+
+    def __call__(self, f):
+        def wrapper(*args, **kwargs):
+            warnings.warn(
+                "`%s.%s` is deprecated, use `%s` instead."
+                % (self.class_name, self.old_method_name, self.new_method_name),
+                self.deprecation_warning,
+                2,
+            )
+            return f(*args, **kwargs)
+
+        return wrapper
+
+
+class RenameMethodsBase(type):
+    """
+    Handles the deprecation paths when renaming a method.
+
+    It does the following:
+        1) Define the new method if missing and complain about it.
+        2) Define the old method if missing.
+        3) Complain whenever an old method is called.
+
+    See #15363 for more details.
+    """
+
+    renamed_methods = ()
+
+    def __new__(cls, name, bases, attrs):
+        new_class = super().__new__(cls, name, bases, attrs)
+
+        for base in inspect.getmro(new_class):
+            class_name = base.__name__
+            for renamed_method in cls.renamed_methods:
+                old_method_name = renamed_method[0]
+                old_method = base.__dict__.get(old_method_name)
+                new_method_name = renamed_method[1]
+                new_method = base.__dict__.get(new_method_name)
+                deprecation_warning = renamed_method[2]
+                wrapper = warn_about_renamed_method(class_name, *renamed_method)
+
+                # Define the new method if missing and complain about it
+                if not new_method and old_method:
+                    warnings.warn(
+                        "`%s.%s` method should be renamed `%s`."
+                        % (class_name, old_method_name, new_method_name),
+                        deprecation_warning,
+                        2,
+                    )
+                    setattr(base, new_method_name, old_method)
+                    setattr(base, old_method_name, wrapper(old_method))
+
+                # Define the old method as a wrapped call to the new method.
+                if not old_method and new_method:
+                    setattr(base, old_method_name, wrapper(new_method))
+
+        return new_class
+
+
+class DeprecationInstanceCheck(type):
+    def __instancecheck__(self, instance):
+        warnings.warn(
+            "`%s` is deprecated, use `%s` instead." % (self.__name__, self.alternative),
+            self.deprecation_warning,
+            2,
+        )
+        return super().__instancecheck__(instance)
+
+
+class MiddlewareMixin:
+    sync_capable = True
+    async_capable = True
+
+    def __init__(self, get_response):
+        if get_response is None:
+            raise ValueError("get_response must be provided.")
+        self.get_response = get_response
+        self._async_check()
+        super().__init__()
+
+    def __repr__(self):
+        return "<%s get_response=%s>" % (
+            self.__class__.__qualname__,
+            getattr(
+                self.get_response,
+                "__qualname__",
+                self.get_response.__class__.__name__,
+            ),
+        )
+
+    def _async_check(self):
+        """
+        If get_response is a coroutine function, turns us into async mode so
+        a thread is not consumed during a whole request.
+        """
+        if iscoroutinefunction(self.get_response):
+            # Mark the class as async-capable, but do the actual switch
+            # inside __call__ to avoid swapping out dunder methods
+            markcoroutinefunction(self)
+
+    def __call__(self, request):
+        # Exit out to async mode, if needed
+        if iscoroutinefunction(self):
+            return self.__acall__(request)
+        response = None
+        if hasattr(self, "process_request"):
+            response = self.process_request(request)
+        response = response or self.get_response(request)
+        if hasattr(self, "process_response"):
+            response = self.process_response(request, response)
+        return response
+
+    async def __acall__(self, request):
+        """
+        Async version of __call__ that is swapped in when an async request
+        is running.
+        """
+        response = None
+        if hasattr(self, "process_request"):
+            response = await sync_to_async(
+                self.process_request,
+                thread_sensitive=True,
+            )(request)
+        response = response or await self.get_response(request)
+        if hasattr(self, "process_response"):
+            response = await sync_to_async(
+                self.process_response,
+                thread_sensitive=True,
+            )(request, response)
+        return response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/duration.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/duration.py
new file mode 100644
index 00000000..eae85277
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/duration.py
@@ -0,0 +1,46 @@
+import datetime
+
+
+def _get_duration_components(duration):
+    days = duration.days
+    seconds = duration.seconds
+    microseconds = duration.microseconds
+
+    minutes = seconds // 60
+    seconds %= 60
+
+    hours = minutes // 60
+    minutes %= 60
+
+    return days, hours, minutes, seconds, microseconds
+
+
+def duration_string(duration):
+    """Version of str(timedelta) which is not English specific."""
+    days, hours, minutes, seconds, microseconds = _get_duration_components(duration)
+
+    string = "{:02d}:{:02d}:{:02d}".format(hours, minutes, seconds)
+    if days:
+        string = "{} ".format(days) + string
+    if microseconds:
+        string += ".{:06d}".format(microseconds)
+
+    return string
+
+
+def duration_iso_string(duration):
+    if duration < datetime.timedelta(0):
+        sign = "-"
+        duration *= -1
+    else:
+        sign = ""
+
+    days, hours, minutes, seconds, microseconds = _get_duration_components(duration)
+    ms = ".{:06d}".format(microseconds) if microseconds else ""
+    return "{}P{}DT{:02d}H{:02d}M{:02d}{}S".format(
+        sign, days, hours, minutes, seconds, ms
+    )
+
+
+def duration_microseconds(delta):
+    return (24 * 60 * 60 * delta.days + delta.seconds) * 1000000 + delta.microseconds
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/encoding.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/encoding.py
new file mode 100644
index 00000000..59869937
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/encoding.py
@@ -0,0 +1,266 @@
+import codecs
+import datetime
+import locale
+from decimal import Decimal
+from types import NoneType
+from urllib.parse import quote
+
+from django.utils.functional import Promise
+
+
+class DjangoUnicodeDecodeError(UnicodeDecodeError):
+    def __init__(self, obj, *args):
+        self.obj = obj
+        super().__init__(*args)
+
+    def __str__(self):
+        return "%s. You passed in %r (%s)" % (
+            super().__str__(),
+            self.obj,
+            type(self.obj),
+        )
+
+
+def smart_str(s, encoding="utf-8", strings_only=False, errors="strict"):
+    """
+    Return a string representing 's'. Treat bytestrings using the 'encoding'
+    codec.
+
+    If strings_only is True, don't convert (some) non-string-like objects.
+    """
+    if isinstance(s, Promise):
+        # The input is the result of a gettext_lazy() call.
+        return s
+    return force_str(s, encoding, strings_only, errors)
+
+
+_PROTECTED_TYPES = (
+    NoneType,
+    int,
+    float,
+    Decimal,
+    datetime.datetime,
+    datetime.date,
+    datetime.time,
+)
+
+
+def is_protected_type(obj):
+    """Determine if the object instance is of a protected type.
+
+    Objects of protected types are preserved as-is when passed to
+    force_str(strings_only=True).
+    """
+    return isinstance(obj, _PROTECTED_TYPES)
+
+
+def force_str(s, encoding="utf-8", strings_only=False, errors="strict"):
+    """
+    Similar to smart_str(), except that lazy instances are resolved to
+    strings, rather than kept as lazy objects.
+
+    If strings_only is True, don't convert (some) non-string-like objects.
+    """
+    # Handle the common case first for performance reasons.
+    if issubclass(type(s), str):
+        return s
+    if strings_only and is_protected_type(s):
+        return s
+    try:
+        if isinstance(s, bytes):
+            s = str(s, encoding, errors)
+        else:
+            s = str(s)
+    except UnicodeDecodeError as e:
+        raise DjangoUnicodeDecodeError(s, *e.args)
+    return s
+
+
+def smart_bytes(s, encoding="utf-8", strings_only=False, errors="strict"):
+    """
+    Return a bytestring version of 's', encoded as specified in 'encoding'.
+
+    If strings_only is True, don't convert (some) non-string-like objects.
+    """
+    if isinstance(s, Promise):
+        # The input is the result of a gettext_lazy() call.
+        return s
+    return force_bytes(s, encoding, strings_only, errors)
+
+
+def force_bytes(s, encoding="utf-8", strings_only=False, errors="strict"):
+    """
+    Similar to smart_bytes, except that lazy instances are resolved to
+    strings, rather than kept as lazy objects.
+
+    If strings_only is True, don't convert (some) non-string-like objects.
+    """
+    # Handle the common case first for performance reasons.
+    if isinstance(s, bytes):
+        if encoding == "utf-8":
+            return s
+        else:
+            return s.decode("utf-8", errors).encode(encoding, errors)
+    if strings_only and is_protected_type(s):
+        return s
+    if isinstance(s, memoryview):
+        return bytes(s)
+    return str(s).encode(encoding, errors)
+
+
+def iri_to_uri(iri):
+    """
+    Convert an Internationalized Resource Identifier (IRI) portion to a URI
+    portion that is suitable for inclusion in a URL.
+
+    This is the algorithm from RFC 3987 Section 3.1, slightly simplified since
+    the input is assumed to be a string rather than an arbitrary byte stream.
+
+    Take an IRI (string or UTF-8 bytes, e.g. '/I ♥ Django/' or
+    b'/I \xe2\x99\xa5 Django/') and return a string containing the encoded
+    result with ASCII chars only (e.g. '/I%20%E2%99%A5%20Django/').
+    """
+    # The list of safe characters here is constructed from the "reserved" and
+    # "unreserved" characters specified in RFC 3986 Sections 2.2 and 2.3:
+    #     reserved    = gen-delims / sub-delims
+    #     gen-delims  = ":" / "/" / "?" / "#" / "[" / "]" / "@"
+    #     sub-delims  = "!" / "$" / "&" / "'" / "(" / ")"
+    #                   / "*" / "+" / "," / ";" / "="
+    #     unreserved  = ALPHA / DIGIT / "-" / "." / "_" / "~"
+    # Of the unreserved characters, urllib.parse.quote() already considers all
+    # but the ~ safe.
+    # The % character is also added to the list of safe characters here, as the
+    # end of RFC 3987 Section 3.1 specifically mentions that % must not be
+    # converted.
+    if iri is None:
+        return iri
+    elif isinstance(iri, Promise):
+        iri = str(iri)
+    return quote(iri, safe="/#%[]=:;$&()+,!?*@'~")
+
+
+# List of byte values that uri_to_iri() decodes from percent encoding.
+# First, the unreserved characters from RFC 3986:
+_ascii_ranges = [[45, 46, 95, 126], range(65, 91), range(97, 123)]
+_hextobyte = {
+    (fmt % char).encode(): bytes((char,))
+    for ascii_range in _ascii_ranges
+    for char in ascii_range
+    for fmt in ["%02x", "%02X"]
+}
+# And then everything above 128, because bytes ≥ 128 are part of multibyte
+# Unicode characters.
+_hexdig = "0123456789ABCDEFabcdef"
+_hextobyte.update(
+    {(a + b).encode(): bytes.fromhex(a + b) for a in _hexdig[8:] for b in _hexdig}
+)
+
+
+def uri_to_iri(uri):
+    """
+    Convert a Uniform Resource Identifier(URI) into an Internationalized
+    Resource Identifier(IRI).
+
+    This is the algorithm from RFC 3987 Section 3.2, excluding step 4.
+
+    Take an URI in ASCII bytes (e.g. '/I%20%E2%99%A5%20Django/') and return
+    a string containing the encoded result (e.g. '/I%20♥%20Django/').
+    """
+    if uri is None:
+        return uri
+    uri = force_bytes(uri)
+    # Fast selective unquote: First, split on '%' and then starting with the
+    # second block, decode the first 2 bytes if they represent a hex code to
+    # decode. The rest of the block is the part after '%AB', not containing
+    # any '%'. Add that to the output without further processing.
+    bits = uri.split(b"%")
+    if len(bits) == 1:
+        iri = uri
+    else:
+        parts = [bits[0]]
+        append = parts.append
+        hextobyte = _hextobyte
+        for item in bits[1:]:
+            hex = item[:2]
+            if hex in hextobyte:
+                append(hextobyte[item[:2]])
+                append(item[2:])
+            else:
+                append(b"%")
+                append(item)
+        iri = b"".join(parts)
+    return repercent_broken_unicode(iri).decode()
+
+
+def escape_uri_path(path):
+    """
+    Escape the unsafe characters from the path portion of a Uniform Resource
+    Identifier (URI).
+    """
+    # These are the "reserved" and "unreserved" characters specified in RFC
+    # 3986 Sections 2.2 and 2.3:
+    #   reserved    = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | ","
+    #   unreserved  = alphanum | mark
+    #   mark        = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
+    # The list of safe characters here is constructed subtracting ";", "=",
+    # and "?" according to RFC 3986 Section 3.3.
+    # The reason for not subtracting and escaping "/" is that we are escaping
+    # the entire path, not a path segment.
+    return quote(path, safe="/:@&+$,-_.!~*'()")
+
+
+def punycode(domain):
+    """Return the Punycode of the given domain if it's non-ASCII."""
+    return domain.encode("idna").decode("ascii")
+
+
+def repercent_broken_unicode(path):
+    """
+    As per RFC 3987 Section 3.2, step three of converting a URI into an IRI,
+    repercent-encode any octet produced that is not part of a strictly legal
+    UTF-8 octet sequence.
+    """
+    changed_parts = []
+    while True:
+        try:
+            path.decode()
+        except UnicodeDecodeError as e:
+            # CVE-2019-14235: A recursion shouldn't be used since the exception
+            # handling uses massive amounts of memory
+            repercent = quote(path[e.start : e.end], safe=b"/#%[]=:;$&()+,!?*@'~")
+            changed_parts.append(path[: e.start] + repercent.encode())
+            path = path[e.end :]
+        else:
+            return b"".join(changed_parts) + path
+
+
+def filepath_to_uri(path):
+    """Convert a file system path to a URI portion that is suitable for
+    inclusion in a URL.
+
+    Encode certain chars that would normally be recognized as special chars
+    for URIs. Do not encode the ' character, as it is a valid character
+    within URIs. See the encodeURIComponent() JavaScript function for details.
+    """
+    if path is None:
+        return path
+    # I know about `os.sep` and `os.altsep` but I want to leave
+    # some flexibility for hardcoding separators.
+    return quote(str(path).replace("\\", "/"), safe="/~!*()'")
+
+
+def get_system_encoding():
+    """
+    The encoding for the character type functions. Fallback to 'ascii' if the
+    #encoding is unsupported by Python or could not be determined. See tickets
+    #10335 and #5846.
+    """
+    try:
+        encoding = locale.getlocale()[1] or "ascii"
+        codecs.lookup(encoding)
+    except Exception:
+        encoding = "ascii"
+    return encoding
+
+
+DEFAULT_LOCALE_ENCODING = get_system_encoding()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/feedgenerator.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/feedgenerator.py
new file mode 100644
index 00000000..3bd456ca
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/feedgenerator.py
@@ -0,0 +1,448 @@
+"""
+Syndication feed generation library -- used for generating RSS, etc.
+
+Sample usage:
+
+>>> from django.utils import feedgenerator
+>>> feed = feedgenerator.Rss201rev2Feed(
+...     title="Poynter E-Media Tidbits",
+...     link="http://www.poynter.org/column.asp?id=31",
+...     description="A group blog by the sharpest minds in online journalism.",
+...     language="en",
+... )
+>>> feed.add_item(
+...     title="Hello",
+...     link="http://www.holovaty.com/test/",
+...     description="Testing."
+... )
+>>> with open('test.rss', 'w') as fp:
+...     feed.write(fp, 'utf-8')
+
+For definitions of the different versions of RSS, see:
+https://web.archive.org/web/20110718035220/http://diveintomark.org/archives/2004/02/04/incompatible-rss
+"""
+
+import datetime
+import email
+from io import StringIO
+from urllib.parse import urlparse
+
+from django.utils.encoding import iri_to_uri
+from django.utils.xmlutils import SimplerXMLGenerator
+
+
+def rfc2822_date(date):
+    if not isinstance(date, datetime.datetime):
+        date = datetime.datetime.combine(date, datetime.time())
+    return email.utils.format_datetime(date)
+
+
+def rfc3339_date(date):
+    if not isinstance(date, datetime.datetime):
+        date = datetime.datetime.combine(date, datetime.time())
+    return date.isoformat() + ("Z" if date.utcoffset() is None else "")
+
+
+def get_tag_uri(url, date):
+    """
+    Create a TagURI.
+
+    See
+    https://web.archive.org/web/20110514113830/http://diveintomark.org/archives/2004/05/28/howto-atom-id
+    """
+    bits = urlparse(url)
+    d = ""
+    if date is not None:
+        d = ",%s" % date.strftime("%Y-%m-%d")
+    return "tag:%s%s:%s/%s" % (bits.hostname, d, bits.path, bits.fragment)
+
+
+class SyndicationFeed:
+    "Base class for all syndication feeds. Subclasses should provide write()"
+
+    def __init__(
+        self,
+        title,
+        link,
+        description,
+        language=None,
+        author_email=None,
+        author_name=None,
+        author_link=None,
+        subtitle=None,
+        categories=None,
+        feed_url=None,
+        feed_copyright=None,
+        feed_guid=None,
+        ttl=None,
+        **kwargs,
+    ):
+        def to_str(s):
+            return str(s) if s is not None else s
+
+        categories = categories and [str(c) for c in categories]
+        self.feed = {
+            "title": to_str(title),
+            "link": iri_to_uri(link),
+            "description": to_str(description),
+            "language": to_str(language),
+            "author_email": to_str(author_email),
+            "author_name": to_str(author_name),
+            "author_link": iri_to_uri(author_link),
+            "subtitle": to_str(subtitle),
+            "categories": categories or (),
+            "feed_url": iri_to_uri(feed_url),
+            "feed_copyright": to_str(feed_copyright),
+            "id": feed_guid or link,
+            "ttl": to_str(ttl),
+            **kwargs,
+        }
+        self.items = []
+
+    def add_item(
+        self,
+        title,
+        link,
+        description,
+        author_email=None,
+        author_name=None,
+        author_link=None,
+        pubdate=None,
+        comments=None,
+        unique_id=None,
+        unique_id_is_permalink=None,
+        categories=(),
+        item_copyright=None,
+        ttl=None,
+        updateddate=None,
+        enclosures=None,
+        **kwargs,
+    ):
+        """
+        Add an item to the feed. All args are expected to be strings except
+        pubdate and updateddate, which are datetime.datetime objects, and
+        enclosures, which is an iterable of instances of the Enclosure class.
+        """
+
+        def to_str(s):
+            return str(s) if s is not None else s
+
+        categories = categories and [to_str(c) for c in categories]
+        self.items.append(
+            {
+                "title": to_str(title),
+                "link": iri_to_uri(link),
+                "description": to_str(description),
+                "author_email": to_str(author_email),
+                "author_name": to_str(author_name),
+                "author_link": iri_to_uri(author_link),
+                "pubdate": pubdate,
+                "updateddate": updateddate,
+                "comments": to_str(comments),
+                "unique_id": to_str(unique_id),
+                "unique_id_is_permalink": unique_id_is_permalink,
+                "enclosures": enclosures or (),
+                "categories": categories or (),
+                "item_copyright": to_str(item_copyright),
+                "ttl": to_str(ttl),
+                **kwargs,
+            }
+        )
+
+    def num_items(self):
+        return len(self.items)
+
+    def root_attributes(self):
+        """
+        Return extra attributes to place on the root (i.e. feed/channel) element.
+        Called from write().
+        """
+        return {}
+
+    def add_root_elements(self, handler):
+        """
+        Add elements in the root (i.e. feed/channel) element. Called
+        from write().
+        """
+        pass
+
+    def item_attributes(self, item):
+        """
+        Return extra attributes to place on each item (i.e. item/entry) element.
+        """
+        return {}
+
+    def add_item_elements(self, handler, item):
+        """
+        Add elements on each item (i.e. item/entry) element.
+        """
+        pass
+
+    def write(self, outfile, encoding):
+        """
+        Output the feed in the given encoding to outfile, which is a file-like
+        object. Subclasses should override this.
+        """
+        raise NotImplementedError(
+            "subclasses of SyndicationFeed must provide a write() method"
+        )
+
+    def writeString(self, encoding):
+        """
+        Return the feed in the given encoding as a string.
+        """
+        s = StringIO()
+        self.write(s, encoding)
+        return s.getvalue()
+
+    def latest_post_date(self):
+        """
+        Return the latest item's pubdate or updateddate. If no items
+        have either of these attributes this return the current UTC date/time.
+        """
+        latest_date = None
+        date_keys = ("updateddate", "pubdate")
+
+        for item in self.items:
+            for date_key in date_keys:
+                item_date = item.get(date_key)
+                if item_date:
+                    if latest_date is None or item_date > latest_date:
+                        latest_date = item_date
+
+        return latest_date or datetime.datetime.now(tz=datetime.timezone.utc)
+
+
+class Enclosure:
+    """An RSS enclosure"""
+
+    def __init__(self, url, length, mime_type):
+        "All args are expected to be strings"
+        self.length, self.mime_type = length, mime_type
+        self.url = iri_to_uri(url)
+
+
+class RssFeed(SyndicationFeed):
+    content_type = "application/rss+xml; charset=utf-8"
+
+    def write(self, outfile, encoding):
+        handler = SimplerXMLGenerator(outfile, encoding, short_empty_elements=True)
+        handler.startDocument()
+        handler.startElement("rss", self.rss_attributes())
+        handler.startElement("channel", self.root_attributes())
+        self.add_root_elements(handler)
+        self.write_items(handler)
+        self.endChannelElement(handler)
+        handler.endElement("rss")
+
+    def rss_attributes(self):
+        return {
+            "version": self._version,
+            "xmlns:atom": "http://www.w3.org/2005/Atom",
+        }
+
+    def write_items(self, handler):
+        for item in self.items:
+            handler.startElement("item", self.item_attributes(item))
+            self.add_item_elements(handler, item)
+            handler.endElement("item")
+
+    def add_root_elements(self, handler):
+        handler.addQuickElement("title", self.feed["title"])
+        handler.addQuickElement("link", self.feed["link"])
+        handler.addQuickElement("description", self.feed["description"])
+        if self.feed["feed_url"] is not None:
+            handler.addQuickElement(
+                "atom:link", None, {"rel": "self", "href": self.feed["feed_url"]}
+            )
+        if self.feed["language"] is not None:
+            handler.addQuickElement("language", self.feed["language"])
+        for cat in self.feed["categories"]:
+            handler.addQuickElement("category", cat)
+        if self.feed["feed_copyright"] is not None:
+            handler.addQuickElement("copyright", self.feed["feed_copyright"])
+        handler.addQuickElement("lastBuildDate", rfc2822_date(self.latest_post_date()))
+        if self.feed["ttl"] is not None:
+            handler.addQuickElement("ttl", self.feed["ttl"])
+
+    def endChannelElement(self, handler):
+        handler.endElement("channel")
+
+
+class RssUserland091Feed(RssFeed):
+    _version = "0.91"
+
+    def add_item_elements(self, handler, item):
+        handler.addQuickElement("title", item["title"])
+        handler.addQuickElement("link", item["link"])
+        if item["description"] is not None:
+            handler.addQuickElement("description", item["description"])
+
+
+class Rss201rev2Feed(RssFeed):
+    # Spec: https://cyber.harvard.edu/rss/rss.html
+    _version = "2.0"
+
+    def add_item_elements(self, handler, item):
+        handler.addQuickElement("title", item["title"])
+        handler.addQuickElement("link", item["link"])
+        if item["description"] is not None:
+            handler.addQuickElement("description", item["description"])
+
+        # Author information.
+        if item["author_name"] and item["author_email"]:
+            handler.addQuickElement(
+                "author", "%s (%s)" % (item["author_email"], item["author_name"])
+            )
+        elif item["author_email"]:
+            handler.addQuickElement("author", item["author_email"])
+        elif item["author_name"]:
+            handler.addQuickElement(
+                "dc:creator",
+                item["author_name"],
+                {"xmlns:dc": "http://purl.org/dc/elements/1.1/"},
+            )
+
+        if item["pubdate"] is not None:
+            handler.addQuickElement("pubDate", rfc2822_date(item["pubdate"]))
+        if item["comments"] is not None:
+            handler.addQuickElement("comments", item["comments"])
+        if item["unique_id"] is not None:
+            guid_attrs = {}
+            if isinstance(item.get("unique_id_is_permalink"), bool):
+                guid_attrs["isPermaLink"] = str(item["unique_id_is_permalink"]).lower()
+            handler.addQuickElement("guid", item["unique_id"], guid_attrs)
+        if item["ttl"] is not None:
+            handler.addQuickElement("ttl", item["ttl"])
+
+        # Enclosure.
+        if item["enclosures"]:
+            enclosures = list(item["enclosures"])
+            if len(enclosures) > 1:
+                raise ValueError(
+                    "RSS feed items may only have one enclosure, see "
+                    "http://www.rssboard.org/rss-profile#element-channel-item-enclosure"
+                )
+            enclosure = enclosures[0]
+            handler.addQuickElement(
+                "enclosure",
+                "",
+                {
+                    "url": enclosure.url,
+                    "length": enclosure.length,
+                    "type": enclosure.mime_type,
+                },
+            )
+
+        # Categories.
+        for cat in item["categories"]:
+            handler.addQuickElement("category", cat)
+
+
+class Atom1Feed(SyndicationFeed):
+    # Spec: https://tools.ietf.org/html/rfc4287
+    content_type = "application/atom+xml; charset=utf-8"
+    ns = "http://www.w3.org/2005/Atom"
+
+    def write(self, outfile, encoding):
+        handler = SimplerXMLGenerator(outfile, encoding, short_empty_elements=True)
+        handler.startDocument()
+        handler.startElement("feed", self.root_attributes())
+        self.add_root_elements(handler)
+        self.write_items(handler)
+        handler.endElement("feed")
+
+    def root_attributes(self):
+        if self.feed["language"] is not None:
+            return {"xmlns": self.ns, "xml:lang": self.feed["language"]}
+        else:
+            return {"xmlns": self.ns}
+
+    def add_root_elements(self, handler):
+        handler.addQuickElement("title", self.feed["title"])
+        handler.addQuickElement(
+            "link", "", {"rel": "alternate", "href": self.feed["link"]}
+        )
+        if self.feed["feed_url"] is not None:
+            handler.addQuickElement(
+                "link", "", {"rel": "self", "href": self.feed["feed_url"]}
+            )
+        handler.addQuickElement("id", self.feed["id"])
+        handler.addQuickElement("updated", rfc3339_date(self.latest_post_date()))
+        if self.feed["author_name"] is not None:
+            handler.startElement("author", {})
+            handler.addQuickElement("name", self.feed["author_name"])
+            if self.feed["author_email"] is not None:
+                handler.addQuickElement("email", self.feed["author_email"])
+            if self.feed["author_link"] is not None:
+                handler.addQuickElement("uri", self.feed["author_link"])
+            handler.endElement("author")
+        if self.feed["subtitle"] is not None:
+            handler.addQuickElement("subtitle", self.feed["subtitle"])
+        for cat in self.feed["categories"]:
+            handler.addQuickElement("category", "", {"term": cat})
+        if self.feed["feed_copyright"] is not None:
+            handler.addQuickElement("rights", self.feed["feed_copyright"])
+
+    def write_items(self, handler):
+        for item in self.items:
+            handler.startElement("entry", self.item_attributes(item))
+            self.add_item_elements(handler, item)
+            handler.endElement("entry")
+
+    def add_item_elements(self, handler, item):
+        handler.addQuickElement("title", item["title"])
+        handler.addQuickElement("link", "", {"href": item["link"], "rel": "alternate"})
+
+        if item["pubdate"] is not None:
+            handler.addQuickElement("published", rfc3339_date(item["pubdate"]))
+
+        if item["updateddate"] is not None:
+            handler.addQuickElement("updated", rfc3339_date(item["updateddate"]))
+
+        # Author information.
+        if item["author_name"] is not None:
+            handler.startElement("author", {})
+            handler.addQuickElement("name", item["author_name"])
+            if item["author_email"] is not None:
+                handler.addQuickElement("email", item["author_email"])
+            if item["author_link"] is not None:
+                handler.addQuickElement("uri", item["author_link"])
+            handler.endElement("author")
+
+        # Unique ID.
+        if item["unique_id"] is not None:
+            unique_id = item["unique_id"]
+        else:
+            unique_id = get_tag_uri(item["link"], item["pubdate"])
+        handler.addQuickElement("id", unique_id)
+
+        # Summary.
+        if item["description"] is not None:
+            handler.addQuickElement("summary", item["description"], {"type": "html"})
+
+        # Enclosures.
+        for enclosure in item["enclosures"]:
+            handler.addQuickElement(
+                "link",
+                "",
+                {
+                    "rel": "enclosure",
+                    "href": enclosure.url,
+                    "length": enclosure.length,
+                    "type": enclosure.mime_type,
+                },
+            )
+
+        # Categories.
+        for cat in item["categories"]:
+            handler.addQuickElement("category", "", {"term": cat})
+
+        # Rights.
+        if item["item_copyright"] is not None:
+            handler.addQuickElement("rights", item["item_copyright"])
+
+
+# This isolates the decision of what the system default is, so calling code can
+# do "feedgenerator.DefaultFeed" instead of "feedgenerator.Rss201rev2Feed".
+DefaultFeed = Rss201rev2Feed
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/formats.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/formats.py
new file mode 100644
index 00000000..ba8c97c2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/formats.py
@@ -0,0 +1,305 @@
+import datetime
+import decimal
+import functools
+import re
+import unicodedata
+from importlib import import_module
+
+from django.conf import settings
+from django.utils import dateformat, numberformat
+from django.utils.functional import lazy
+from django.utils.translation import check_for_language, get_language, to_locale
+
+# format_cache is a mapping from (format_type, lang) to the format string.
+# By using the cache, it is possible to avoid running get_format_modules
+# repeatedly.
+_format_cache = {}
+_format_modules_cache = {}
+
+ISO_INPUT_FORMATS = {
+    "DATE_INPUT_FORMATS": ["%Y-%m-%d"],
+    "TIME_INPUT_FORMATS": ["%H:%M:%S", "%H:%M:%S.%f", "%H:%M"],
+    "DATETIME_INPUT_FORMATS": [
+        "%Y-%m-%d %H:%M:%S",
+        "%Y-%m-%d %H:%M:%S.%f",
+        "%Y-%m-%d %H:%M",
+        "%Y-%m-%d",
+    ],
+}
+
+
+FORMAT_SETTINGS = frozenset(
+    [
+        "DECIMAL_SEPARATOR",
+        "THOUSAND_SEPARATOR",
+        "NUMBER_GROUPING",
+        "FIRST_DAY_OF_WEEK",
+        "MONTH_DAY_FORMAT",
+        "TIME_FORMAT",
+        "DATE_FORMAT",
+        "DATETIME_FORMAT",
+        "SHORT_DATE_FORMAT",
+        "SHORT_DATETIME_FORMAT",
+        "YEAR_MONTH_FORMAT",
+        "DATE_INPUT_FORMATS",
+        "TIME_INPUT_FORMATS",
+        "DATETIME_INPUT_FORMATS",
+    ]
+)
+
+
+def reset_format_cache():
+    """Clear any cached formats.
+
+    This method is provided primarily for testing purposes,
+    so that the effects of cached formats can be removed.
+    """
+    global _format_cache, _format_modules_cache
+    _format_cache = {}
+    _format_modules_cache = {}
+
+
+def iter_format_modules(lang, format_module_path=None):
+    """Find format modules."""
+    if not check_for_language(lang):
+        return
+
+    if format_module_path is None:
+        format_module_path = settings.FORMAT_MODULE_PATH
+
+    format_locations = []
+    if format_module_path:
+        if isinstance(format_module_path, str):
+            format_module_path = [format_module_path]
+        for path in format_module_path:
+            format_locations.append(path + ".%s")
+    format_locations.append("django.conf.locale.%s")
+    locale = to_locale(lang)
+    locales = [locale]
+    if "_" in locale:
+        locales.append(locale.split("_")[0])
+    for location in format_locations:
+        for loc in locales:
+            try:
+                yield import_module("%s.formats" % (location % loc))
+            except ImportError:
+                pass
+
+
+def get_format_modules(lang=None):
+    """Return a list of the format modules found."""
+    if lang is None:
+        lang = get_language()
+    if lang not in _format_modules_cache:
+        _format_modules_cache[lang] = list(
+            iter_format_modules(lang, settings.FORMAT_MODULE_PATH)
+        )
+    return _format_modules_cache[lang]
+
+
+def get_format(format_type, lang=None, use_l10n=None):
+    """
+    For a specific format type, return the format for the current
+    language (locale). Default to the format in the settings.
+    format_type is the name of the format, e.g. 'DATE_FORMAT'.
+
+    If use_l10n is provided and is not None, it forces the value to
+    be localized (or not), otherwise it's always localized.
+    """
+    if use_l10n is None:
+        use_l10n = True
+    if use_l10n and lang is None:
+        lang = get_language()
+    format_type = str(format_type)  # format_type may be lazy.
+    cache_key = (format_type, lang)
+    try:
+        return _format_cache[cache_key]
+    except KeyError:
+        pass
+
+    # The requested format_type has not been cached yet. Try to find it in any
+    # of the format_modules for the given lang if l10n is enabled. If it's not
+    # there or if l10n is disabled, fall back to the project settings.
+    val = None
+    if use_l10n:
+        for module in get_format_modules(lang):
+            val = getattr(module, format_type, None)
+            if val is not None:
+                break
+    if val is None:
+        if format_type not in FORMAT_SETTINGS:
+            return format_type
+        val = getattr(settings, format_type)
+    elif format_type in ISO_INPUT_FORMATS:
+        # If a list of input formats from one of the format_modules was
+        # retrieved, make sure the ISO_INPUT_FORMATS are in this list.
+        val = list(val)
+        for iso_input in ISO_INPUT_FORMATS.get(format_type, ()):
+            if iso_input not in val:
+                val.append(iso_input)
+    _format_cache[cache_key] = val
+    return val
+
+
+get_format_lazy = lazy(get_format, str, list, tuple)
+
+
+def date_format(value, format=None, use_l10n=None):
+    """
+    Format a datetime.date or datetime.datetime object using a
+    localizable format.
+
+    If use_l10n is provided and is not None, that will force the value to
+    be localized (or not), otherwise it's always localized.
+    """
+    return dateformat.format(
+        value, get_format(format or "DATE_FORMAT", use_l10n=use_l10n)
+    )
+
+
+def time_format(value, format=None, use_l10n=None):
+    """
+    Format a datetime.time object using a localizable format.
+
+    If use_l10n is provided and is not None, it forces the value to
+    be localized (or not), otherwise it's always localized.
+    """
+    return dateformat.time_format(
+        value, get_format(format or "TIME_FORMAT", use_l10n=use_l10n)
+    )
+
+
+def number_format(value, decimal_pos=None, use_l10n=None, force_grouping=False):
+    """
+    Format a numeric value using localization settings.
+
+    If use_l10n is provided and is not None, it forces the value to
+    be localized (or not), otherwise it's always localized.
+    """
+    if use_l10n is None:
+        use_l10n = True
+    lang = get_language() if use_l10n else None
+    return numberformat.format(
+        value,
+        get_format("DECIMAL_SEPARATOR", lang, use_l10n=use_l10n),
+        decimal_pos,
+        get_format("NUMBER_GROUPING", lang, use_l10n=use_l10n),
+        get_format("THOUSAND_SEPARATOR", lang, use_l10n=use_l10n),
+        force_grouping=force_grouping,
+        use_l10n=use_l10n,
+    )
+
+
+def localize(value, use_l10n=None):
+    """
+    Check if value is a localizable type (date, number...) and return it
+    formatted as a string using current locale format.
+
+    If use_l10n is provided and is not None, it forces the value to
+    be localized (or not), otherwise it's always localized.
+    """
+    if isinstance(value, str):  # Handle strings first for performance reasons.
+        return value
+    elif isinstance(value, bool):  # Make sure booleans don't get treated as numbers
+        return str(value)
+    elif isinstance(value, (decimal.Decimal, float, int)):
+        if use_l10n is False:
+            return str(value)
+        return number_format(value, use_l10n=use_l10n)
+    elif isinstance(value, datetime.datetime):
+        return date_format(value, "DATETIME_FORMAT", use_l10n=use_l10n)
+    elif isinstance(value, datetime.date):
+        return date_format(value, use_l10n=use_l10n)
+    elif isinstance(value, datetime.time):
+        return time_format(value, use_l10n=use_l10n)
+    return value
+
+
+def localize_input(value, default=None):
+    """
+    Check if an input value is a localizable type and return it
+    formatted with the appropriate formatting string of the current locale.
+    """
+    if isinstance(value, str):  # Handle strings first for performance reasons.
+        return value
+    elif isinstance(value, bool):  # Don't treat booleans as numbers.
+        return str(value)
+    elif isinstance(value, (decimal.Decimal, float, int)):
+        return number_format(value)
+    elif isinstance(value, datetime.datetime):
+        format = default or get_format("DATETIME_INPUT_FORMATS")[0]
+        format = sanitize_strftime_format(format)
+        return value.strftime(format)
+    elif isinstance(value, datetime.date):
+        format = default or get_format("DATE_INPUT_FORMATS")[0]
+        format = sanitize_strftime_format(format)
+        return value.strftime(format)
+    elif isinstance(value, datetime.time):
+        format = default or get_format("TIME_INPUT_FORMATS")[0]
+        return value.strftime(format)
+    return value
+
+
+@functools.lru_cache
+def sanitize_strftime_format(fmt):
+    """
+    Ensure that certain specifiers are correctly padded with leading zeros.
+
+    For years < 1000 specifiers %C, %F, %G, and %Y don't work as expected for
+    strftime provided by glibc on Linux as they don't pad the year or century
+    with leading zeros. Support for specifying the padding explicitly is
+    available, however, which can be used to fix this issue.
+
+    FreeBSD, macOS, and Windows do not support explicitly specifying the
+    padding, but return four digit years (with leading zeros) as expected.
+
+    This function checks whether the %Y produces a correctly padded string and,
+    if not, makes the following substitutions:
+
+    - %C → %02C
+    - %F → %010F
+    - %G → %04G
+    - %Y → %04Y
+
+    See https://bugs.python.org/issue13305 for more details.
+    """
+    if datetime.date(1, 1, 1).strftime("%Y") == "0001":
+        return fmt
+    mapping = {"C": 2, "F": 10, "G": 4, "Y": 4}
+    return re.sub(
+        r"((?:^|[^%])(?:%%)*)%([CFGY])",
+        lambda m: r"%s%%0%s%s" % (m[1], mapping[m[2]], m[2]),
+        fmt,
+    )
+
+
+def sanitize_separators(value):
+    """
+    Sanitize a value according to the current decimal and
+    thousand separator setting. Used with form field input.
+    """
+    if isinstance(value, str):
+        parts = []
+        decimal_separator = get_format("DECIMAL_SEPARATOR")
+        if decimal_separator in value:
+            value, decimals = value.split(decimal_separator, 1)
+            parts.append(decimals)
+        if settings.USE_THOUSAND_SEPARATOR:
+            thousand_sep = get_format("THOUSAND_SEPARATOR")
+            if (
+                thousand_sep == "."
+                and value.count(".") == 1
+                and len(value.split(".")[-1]) != 3
+            ):
+                # Special case where we suspect a dot meant decimal separator
+                # (see #22171).
+                pass
+            else:
+                for replacement in {
+                    thousand_sep,
+                    unicodedata.normalize("NFKD", thousand_sep),
+                }:
+                    value = value.replace(replacement, "")
+        parts.append(value)
+        value = ".".join(reversed(parts))
+    return value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/functional.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/functional.py
new file mode 100644
index 00000000..25003204
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/functional.py
@@ -0,0 +1,451 @@
+import copy
+import itertools
+import operator
+from functools import wraps
+
+
+class cached_property:
+    """
+    Decorator that converts a method with a single self argument into a
+    property cached on the instance.
+
+    A cached property can be made out of an existing method:
+    (e.g. ``url = cached_property(get_absolute_url)``).
+    """
+
+    name = None
+
+    @staticmethod
+    def func(instance):
+        raise TypeError(
+            "Cannot use cached_property instance without calling "
+            "__set_name__() on it."
+        )
+
+    def __init__(self, func):
+        self.real_func = func
+        self.__doc__ = getattr(func, "__doc__")
+
+    def __set_name__(self, owner, name):
+        if self.name is None:
+            self.name = name
+            self.func = self.real_func
+        elif name != self.name:
+            raise TypeError(
+                "Cannot assign the same cached_property to two different names "
+                "(%r and %r)." % (self.name, name)
+            )
+
+    def __get__(self, instance, cls=None):
+        """
+        Call the function and put the return value in instance.__dict__ so that
+        subsequent attribute access on the instance returns the cached value
+        instead of calling cached_property.__get__().
+        """
+        if instance is None:
+            return self
+        res = instance.__dict__[self.name] = self.func(instance)
+        return res
+
+
+class classproperty:
+    """
+    Decorator that converts a method with a single cls argument into a property
+    that can be accessed directly from the class.
+    """
+
+    def __init__(self, method=None):
+        self.fget = method
+
+    def __get__(self, instance, cls=None):
+        return self.fget(cls)
+
+    def getter(self, method):
+        self.fget = method
+        return self
+
+
+class Promise:
+    """
+    Base class for the proxy class created in the closure of the lazy function.
+    It's used to recognize promises in code.
+    """
+
+    pass
+
+
+def lazy(func, *resultclasses):
+    """
+    Turn any callable into a lazy evaluated callable. result classes or types
+    is required -- at least one is needed so that the automatic forcing of
+    the lazy evaluation code is triggered. Results are not memoized; the
+    function is evaluated on every access.
+    """
+
+    class __proxy__(Promise):
+        """
+        Encapsulate a function call and act as a proxy for methods that are
+        called on the result of that function. The function is not evaluated
+        until one of the methods on the result is called.
+        """
+
+        def __init__(self, args, kw):
+            self._args = args
+            self._kw = kw
+
+        def __reduce__(self):
+            return (
+                _lazy_proxy_unpickle,
+                (func, self._args, self._kw) + resultclasses,
+            )
+
+        def __deepcopy__(self, memo):
+            # Instances of this class are effectively immutable. It's just a
+            # collection of functions. So we don't need to do anything
+            # complicated for copying.
+            memo[id(self)] = self
+            return self
+
+        def __cast(self):
+            return func(*self._args, **self._kw)
+
+        # Explicitly wrap methods which are defined on object and hence would
+        # not have been overloaded by the loop over resultclasses below.
+
+        def __repr__(self):
+            return repr(self.__cast())
+
+        def __str__(self):
+            return str(self.__cast())
+
+        def __eq__(self, other):
+            if isinstance(other, Promise):
+                other = other.__cast()
+            return self.__cast() == other
+
+        def __ne__(self, other):
+            if isinstance(other, Promise):
+                other = other.__cast()
+            return self.__cast() != other
+
+        def __lt__(self, other):
+            if isinstance(other, Promise):
+                other = other.__cast()
+            return self.__cast() < other
+
+        def __le__(self, other):
+            if isinstance(other, Promise):
+                other = other.__cast()
+            return self.__cast() <= other
+
+        def __gt__(self, other):
+            if isinstance(other, Promise):
+                other = other.__cast()
+            return self.__cast() > other
+
+        def __ge__(self, other):
+            if isinstance(other, Promise):
+                other = other.__cast()
+            return self.__cast() >= other
+
+        def __hash__(self):
+            return hash(self.__cast())
+
+        def __format__(self, format_spec):
+            return format(self.__cast(), format_spec)
+
+        # Explicitly wrap methods which are required for certain operations on
+        # int/str objects to function correctly.
+
+        def __add__(self, other):
+            return self.__cast() + other
+
+        def __radd__(self, other):
+            return other + self.__cast()
+
+        def __mod__(self, other):
+            return self.__cast() % other
+
+        def __mul__(self, other):
+            return self.__cast() * other
+
+    # Add wrappers for all methods from resultclasses which haven't been
+    # wrapped explicitly above.
+    for resultclass in resultclasses:
+        for type_ in resultclass.mro():
+            for method_name in type_.__dict__:
+                # All __promise__ return the same wrapper method, they look up
+                # the correct implementation when called.
+                if hasattr(__proxy__, method_name):
+                    continue
+
+                # Builds a wrapper around some method. Pass method_name to
+                # avoid issues due to late binding.
+                def __wrapper__(self, *args, __method_name=method_name, **kw):
+                    # Automatically triggers the evaluation of a lazy value and
+                    # applies the given method of the result type.
+                    result = func(*self._args, **self._kw)
+                    return getattr(result, __method_name)(*args, **kw)
+
+                setattr(__proxy__, method_name, __wrapper__)
+
+    @wraps(func)
+    def __wrapper__(*args, **kw):
+        # Creates the proxy object, instead of the actual value.
+        return __proxy__(args, kw)
+
+    return __wrapper__
+
+
+def _lazy_proxy_unpickle(func, args, kwargs, *resultclasses):
+    return lazy(func, *resultclasses)(*args, **kwargs)
+
+
+def lazystr(text):
+    """
+    Shortcut for the common case of a lazy callable that returns str.
+    """
+    return lazy(str, str)(text)
+
+
+def keep_lazy(*resultclasses):
+    """
+    A decorator that allows a function to be called with one or more lazy
+    arguments. If none of the args are lazy, the function is evaluated
+    immediately, otherwise a __proxy__ is returned that will evaluate the
+    function when needed.
+    """
+    if not resultclasses:
+        raise TypeError("You must pass at least one argument to keep_lazy().")
+
+    def decorator(func):
+        lazy_func = lazy(func, *resultclasses)
+
+        @wraps(func)
+        def wrapper(*args, **kwargs):
+            if any(
+                isinstance(arg, Promise)
+                for arg in itertools.chain(args, kwargs.values())
+            ):
+                return lazy_func(*args, **kwargs)
+            return func(*args, **kwargs)
+
+        return wrapper
+
+    return decorator
+
+
+def keep_lazy_text(func):
+    """
+    A decorator for functions that accept lazy arguments and return text.
+    """
+    return keep_lazy(str)(func)
+
+
+empty = object()
+
+
+def new_method_proxy(func):
+    def inner(self, *args):
+        if (_wrapped := self._wrapped) is empty:
+            self._setup()
+            _wrapped = self._wrapped
+        return func(_wrapped, *args)
+
+    inner._mask_wrapped = False
+    return inner
+
+
+class LazyObject:
+    """
+    A wrapper for another class that can be used to delay instantiation of the
+    wrapped class.
+
+    By subclassing, you have the opportunity to intercept and alter the
+    instantiation. If you don't need to do that, use SimpleLazyObject.
+    """
+
+    # Avoid infinite recursion when tracing __init__ (#19456).
+    _wrapped = None
+
+    def __init__(self):
+        # Note: if a subclass overrides __init__(), it will likely need to
+        # override __copy__() and __deepcopy__() as well.
+        self._wrapped = empty
+
+    def __getattribute__(self, name):
+        if name == "_wrapped":
+            # Avoid recursion when getting wrapped object.
+            return super().__getattribute__(name)
+        value = super().__getattribute__(name)
+        # If attribute is a proxy method, raise an AttributeError to call
+        # __getattr__() and use the wrapped object method.
+        if not getattr(value, "_mask_wrapped", True):
+            raise AttributeError
+        return value
+
+    __getattr__ = new_method_proxy(getattr)
+
+    def __setattr__(self, name, value):
+        if name == "_wrapped":
+            # Assign to __dict__ to avoid infinite __setattr__ loops.
+            self.__dict__["_wrapped"] = value
+        else:
+            if self._wrapped is empty:
+                self._setup()
+            setattr(self._wrapped, name, value)
+
+    def __delattr__(self, name):
+        if name == "_wrapped":
+            raise TypeError("can't delete _wrapped.")
+        if self._wrapped is empty:
+            self._setup()
+        delattr(self._wrapped, name)
+
+    def _setup(self):
+        """
+        Must be implemented by subclasses to initialize the wrapped object.
+        """
+        raise NotImplementedError(
+            "subclasses of LazyObject must provide a _setup() method"
+        )
+
+    # Because we have messed with __class__ below, we confuse pickle as to what
+    # class we are pickling. We're going to have to initialize the wrapped
+    # object to successfully pickle it, so we might as well just pickle the
+    # wrapped object since they're supposed to act the same way.
+    #
+    # Unfortunately, if we try to simply act like the wrapped object, the ruse
+    # will break down when pickle gets our id(). Thus we end up with pickle
+    # thinking, in effect, that we are a distinct object from the wrapped
+    # object, but with the same __dict__. This can cause problems (see #25389).
+    #
+    # So instead, we define our own __reduce__ method and custom unpickler. We
+    # pickle the wrapped object as the unpickler's argument, so that pickle
+    # will pickle it normally, and then the unpickler simply returns its
+    # argument.
+    def __reduce__(self):
+        if self._wrapped is empty:
+            self._setup()
+        return (unpickle_lazyobject, (self._wrapped,))
+
+    def __copy__(self):
+        if self._wrapped is empty:
+            # If uninitialized, copy the wrapper. Use type(self), not
+            # self.__class__, because the latter is proxied.
+            return type(self)()
+        else:
+            # If initialized, return a copy of the wrapped object.
+            return copy.copy(self._wrapped)
+
+    def __deepcopy__(self, memo):
+        if self._wrapped is empty:
+            # We have to use type(self), not self.__class__, because the
+            # latter is proxied.
+            result = type(self)()
+            memo[id(self)] = result
+            return result
+        return copy.deepcopy(self._wrapped, memo)
+
+    __bytes__ = new_method_proxy(bytes)
+    __str__ = new_method_proxy(str)
+    __bool__ = new_method_proxy(bool)
+
+    # Introspection support
+    __dir__ = new_method_proxy(dir)
+
+    # Need to pretend to be the wrapped class, for the sake of objects that
+    # care about this (especially in equality tests)
+    __class__ = property(new_method_proxy(operator.attrgetter("__class__")))
+    __eq__ = new_method_proxy(operator.eq)
+    __lt__ = new_method_proxy(operator.lt)
+    __gt__ = new_method_proxy(operator.gt)
+    __ne__ = new_method_proxy(operator.ne)
+    __hash__ = new_method_proxy(hash)
+
+    # List/Tuple/Dictionary methods support
+    __getitem__ = new_method_proxy(operator.getitem)
+    __setitem__ = new_method_proxy(operator.setitem)
+    __delitem__ = new_method_proxy(operator.delitem)
+    __iter__ = new_method_proxy(iter)
+    __len__ = new_method_proxy(len)
+    __contains__ = new_method_proxy(operator.contains)
+
+
+def unpickle_lazyobject(wrapped):
+    """
+    Used to unpickle lazy objects. Just return its argument, which will be the
+    wrapped object.
+    """
+    return wrapped
+
+
+class SimpleLazyObject(LazyObject):
+    """
+    A lazy object initialized from any function.
+
+    Designed for compound objects of unknown type. For builtins or objects of
+    known type, use django.utils.functional.lazy.
+    """
+
+    def __init__(self, func):
+        """
+        Pass in a callable that returns the object to be wrapped.
+
+        If copies are made of the resulting SimpleLazyObject, which can happen
+        in various circumstances within Django, then you must ensure that the
+        callable can be safely run more than once and will return the same
+        value.
+        """
+        self.__dict__["_setupfunc"] = func
+        super().__init__()
+
+    def _setup(self):
+        self._wrapped = self._setupfunc()
+
+    # Return a meaningful representation of the lazy object for debugging
+    # without evaluating the wrapped object.
+    def __repr__(self):
+        if self._wrapped is empty:
+            repr_attr = self._setupfunc
+        else:
+            repr_attr = self._wrapped
+        return "<%s: %r>" % (type(self).__name__, repr_attr)
+
+    def __copy__(self):
+        if self._wrapped is empty:
+            # If uninitialized, copy the wrapper. Use SimpleLazyObject, not
+            # self.__class__, because the latter is proxied.
+            return SimpleLazyObject(self._setupfunc)
+        else:
+            # If initialized, return a copy of the wrapped object.
+            return copy.copy(self._wrapped)
+
+    def __deepcopy__(self, memo):
+        if self._wrapped is empty:
+            # We have to use SimpleLazyObject, not self.__class__, because the
+            # latter is proxied.
+            result = SimpleLazyObject(self._setupfunc)
+            memo[id(self)] = result
+            return result
+        return copy.deepcopy(self._wrapped, memo)
+
+    __add__ = new_method_proxy(operator.add)
+
+    @new_method_proxy
+    def __radd__(self, other):
+        return other + self
+
+
+def partition(predicate, values):
+    """
+    Split the values into two sets, based on the return value of the function
+    (True/False). e.g.:
+
+        >>> partition(lambda x: x > 3, range(5))
+        [0, 1, 2, 3], [4]
+    """
+    results = ([], [])
+    for item in values:
+        results[predicate(item)].append(item)
+    return results
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/hashable.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/hashable.py
new file mode 100644
index 00000000..042e1a43
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/hashable.py
@@ -0,0 +1,26 @@
+from django.utils.itercompat import is_iterable
+
+
+def make_hashable(value):
+    """
+    Attempt to make value hashable or raise a TypeError if it fails.
+
+    The returned value should generate the same hash for equal values.
+    """
+    if isinstance(value, dict):
+        return tuple(
+            [
+                (key, make_hashable(nested_value))
+                for key, nested_value in sorted(value.items())
+            ]
+        )
+    # Try hash to avoid converting a hashable iterable (e.g. string, frozenset)
+    # to a tuple.
+    try:
+        hash(value)
+    except TypeError:
+        if is_iterable(value):
+            return tuple(map(make_hashable, value))
+        # Non-hashable, non-iterable.
+        raise
+    return value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/html.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/html.py
new file mode 100644
index 00000000..06e8824f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/html.py
@@ -0,0 +1,452 @@
+"""HTML utilities suitable for global use."""
+
+import html
+import json
+import re
+import warnings
+from html.parser import HTMLParser
+from urllib.parse import parse_qsl, quote, unquote, urlencode, urlsplit, urlunsplit
+
+from django.utils.deprecation import RemovedInDjango60Warning
+from django.utils.encoding import punycode
+from django.utils.functional import Promise, keep_lazy, keep_lazy_text
+from django.utils.http import RFC3986_GENDELIMS, RFC3986_SUBDELIMS
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.safestring import SafeData, SafeString, mark_safe
+from django.utils.text import normalize_newlines
+
+# https://html.spec.whatwg.org/#void-elements
+VOID_ELEMENTS = {
+    "area",
+    "base",
+    "br",
+    "col",
+    "embed",
+    "hr",
+    "img",
+    "input",
+    "link",
+    "meta",
+    "param",
+    "source",
+    "track",
+    "wbr",
+    # Deprecated tags.
+    "frame",
+    "spacer",
+}
+
+
+@keep_lazy(SafeString)
+def escape(text):
+    """
+    Return the given text with ampersands, quotes and angle brackets encoded
+    for use in HTML.
+
+    Always escape input, even if it's already escaped and marked as such.
+    This may result in double-escaping. If this is a concern, use
+    conditional_escape() instead.
+    """
+    return SafeString(html.escape(str(text)))
+
+
+_js_escapes = {
+    ord("\\"): "\\u005C",
+    ord("'"): "\\u0027",
+    ord('"'): "\\u0022",
+    ord(">"): "\\u003E",
+    ord("<"): "\\u003C",
+    ord("&"): "\\u0026",
+    ord("="): "\\u003D",
+    ord("-"): "\\u002D",
+    ord(";"): "\\u003B",
+    ord("`"): "\\u0060",
+    ord("\u2028"): "\\u2028",
+    ord("\u2029"): "\\u2029",
+}
+
+# Escape every ASCII character with a value less than 32.
+_js_escapes.update((ord("%c" % z), "\\u%04X" % z) for z in range(32))
+
+
+@keep_lazy(SafeString)
+def escapejs(value):
+    """Hex encode characters for use in JavaScript strings."""
+    return mark_safe(str(value).translate(_js_escapes))
+
+
+_json_script_escapes = {
+    ord(">"): "\\u003E",
+    ord("<"): "\\u003C",
+    ord("&"): "\\u0026",
+}
+
+
+def json_script(value, element_id=None, encoder=None):
+    """
+    Escape all the HTML/XML special characters with their unicode escapes, so
+    value is safe to be output anywhere except for inside a tag attribute. Wrap
+    the escaped JSON in a script tag.
+    """
+    from django.core.serializers.json import DjangoJSONEncoder
+
+    json_str = json.dumps(value, cls=encoder or DjangoJSONEncoder).translate(
+        _json_script_escapes
+    )
+    if element_id:
+        template = '<script id="{}" type="application/json">{}</script>'
+        args = (element_id, mark_safe(json_str))
+    else:
+        template = '<script type="application/json">{}</script>'
+        args = (mark_safe(json_str),)
+    return format_html(template, *args)
+
+
+def conditional_escape(text):
+    """
+    Similar to escape(), except that it doesn't operate on pre-escaped strings.
+
+    This function relies on the __html__ convention used both by Django's
+    SafeData class and by third-party libraries like markupsafe.
+    """
+    if isinstance(text, Promise):
+        text = str(text)
+    if hasattr(text, "__html__"):
+        return text.__html__()
+    else:
+        return escape(text)
+
+
+def format_html(format_string, *args, **kwargs):
+    """
+    Similar to str.format, but pass all arguments through conditional_escape(),
+    and call mark_safe() on the result. This function should be used instead
+    of str.format or % interpolation to build up small HTML fragments.
+    """
+    if not (args or kwargs):
+        # RemovedInDjango60Warning: when the deprecation ends, replace with:
+        # raise ValueError("args or kwargs must be provided.")
+        warnings.warn(
+            "Calling format_html() without passing args or kwargs is deprecated.",
+            RemovedInDjango60Warning,
+        )
+    args_safe = map(conditional_escape, args)
+    kwargs_safe = {k: conditional_escape(v) for (k, v) in kwargs.items()}
+    return mark_safe(format_string.format(*args_safe, **kwargs_safe))
+
+
+def format_html_join(sep, format_string, args_generator):
+    """
+    A wrapper of format_html, for the common case of a group of arguments that
+    need to be formatted using the same format string, and then joined using
+    'sep'. 'sep' is also passed through conditional_escape.
+
+    'args_generator' should be an iterator that returns the sequence of 'args'
+    that will be passed to format_html.
+
+    Example:
+
+      format_html_join('\n', "<li>{} {}</li>", ((u.first_name, u.last_name)
+                                                  for u in users))
+    """
+    return mark_safe(
+        conditional_escape(sep).join(
+            format_html(format_string, *args) for args in args_generator
+        )
+    )
+
+
+@keep_lazy_text
+def linebreaks(value, autoescape=False):
+    """Convert newlines into <p> and <br>s."""
+    value = normalize_newlines(value)
+    paras = re.split("\n{2,}", str(value))
+    if autoescape:
+        paras = ["<p>%s</p>" % escape(p).replace("\n", "<br>") for p in paras]
+    else:
+        paras = ["<p>%s</p>" % p.replace("\n", "<br>") for p in paras]
+    return "\n\n".join(paras)
+
+
+class MLStripper(HTMLParser):
+    def __init__(self):
+        super().__init__(convert_charrefs=False)
+        self.reset()
+        self.fed = []
+
+    def handle_data(self, d):
+        self.fed.append(d)
+
+    def handle_entityref(self, name):
+        self.fed.append("&%s;" % name)
+
+    def handle_charref(self, name):
+        self.fed.append("&#%s;" % name)
+
+    def get_data(self):
+        return "".join(self.fed)
+
+
+def _strip_once(value):
+    """
+    Internal tag stripping utility used by strip_tags.
+    """
+    s = MLStripper()
+    s.feed(value)
+    s.close()
+    return s.get_data()
+
+
+@keep_lazy_text
+def strip_tags(value):
+    """Return the given HTML with all tags stripped."""
+    # Note: in typical case this loop executes _strip_once once. Loop condition
+    # is redundant, but helps to reduce number of executions of _strip_once.
+    value = str(value)
+    while "<" in value and ">" in value:
+        new_value = _strip_once(value)
+        if value.count("<") == new_value.count("<"):
+            # _strip_once wasn't able to detect more tags.
+            break
+        value = new_value
+    return value
+
+
+@keep_lazy_text
+def strip_spaces_between_tags(value):
+    """Return the given HTML with spaces between tags removed."""
+    return re.sub(r">\s+<", "><", str(value))
+
+
+def smart_urlquote(url):
+    """Quote a URL if it isn't already quoted."""
+
+    def unquote_quote(segment):
+        segment = unquote(segment)
+        # Tilde is part of RFC 3986 Section 2.3 Unreserved Characters,
+        # see also https://bugs.python.org/issue16285
+        return quote(segment, safe=RFC3986_SUBDELIMS + RFC3986_GENDELIMS + "~")
+
+    # Handle IDN before quoting.
+    try:
+        scheme, netloc, path, query, fragment = urlsplit(url)
+    except ValueError:
+        # invalid IPv6 URL (normally square brackets in hostname part).
+        return unquote_quote(url)
+
+    try:
+        netloc = punycode(netloc)  # IDN -> ACE
+    except UnicodeError:  # invalid domain part
+        return unquote_quote(url)
+
+    if query:
+        # Separately unquoting key/value, so as to not mix querystring separators
+        # included in query values. See #22267.
+        query_parts = [
+            (unquote(q[0]), unquote(q[1]))
+            for q in parse_qsl(query, keep_blank_values=True)
+        ]
+        # urlencode will take care of quoting
+        query = urlencode(query_parts)
+
+    path = unquote_quote(path)
+    fragment = unquote_quote(fragment)
+
+    return urlunsplit((scheme, netloc, path, query, fragment))
+
+
+class Urlizer:
+    """
+    Convert any URLs in text into clickable links.
+
+    Work on http://, https://, www. links, and also on links ending in one of
+    the original seven gTLDs (.com, .edu, .gov, .int, .mil, .net, and .org).
+    Links can have trailing punctuation (periods, commas, close-parens) and
+    leading punctuation (opening parens) and it'll still do the right thing.
+    """
+
+    trailing_punctuation_chars = ".,:;!"
+    wrapping_punctuation = [("(", ")"), ("[", "]")]
+
+    simple_url_re = _lazy_re_compile(r"^https?://\[?\w", re.IGNORECASE)
+    simple_url_2_re = _lazy_re_compile(
+        r"^www\.|^(?!http)\w[^@]+\.(com|edu|gov|int|mil|net|org)($|/.*)$", re.IGNORECASE
+    )
+    word_split_re = _lazy_re_compile(r"""([\s<>"']+)""")
+
+    mailto_template = "mailto:{local}@{domain}"
+    url_template = '<a href="{href}"{attrs}>{url}</a>'
+
+    def __call__(self, text, trim_url_limit=None, nofollow=False, autoescape=False):
+        """
+        If trim_url_limit is not None, truncate the URLs in the link text
+        longer than this limit to trim_url_limit - 1 characters and append an
+        ellipsis.
+
+        If nofollow is True, give the links a rel="nofollow" attribute.
+
+        If autoescape is True, autoescape the link text and URLs.
+        """
+        safe_input = isinstance(text, SafeData)
+
+        words = self.word_split_re.split(str(text))
+        return "".join(
+            [
+                self.handle_word(
+                    word,
+                    safe_input=safe_input,
+                    trim_url_limit=trim_url_limit,
+                    nofollow=nofollow,
+                    autoescape=autoescape,
+                )
+                for word in words
+            ]
+        )
+
+    def handle_word(
+        self,
+        word,
+        *,
+        safe_input,
+        trim_url_limit=None,
+        nofollow=False,
+        autoescape=False,
+    ):
+        if "." in word or "@" in word or ":" in word:
+            # lead: Punctuation trimmed from the beginning of the word.
+            # middle: State of the word.
+            # trail: Punctuation trimmed from the end of the word.
+            lead, middle, trail = self.trim_punctuation(word)
+            # Make URL we want to point to.
+            url = None
+            nofollow_attr = ' rel="nofollow"' if nofollow else ""
+            if self.simple_url_re.match(middle):
+                url = smart_urlquote(html.unescape(middle))
+            elif self.simple_url_2_re.match(middle):
+                url = smart_urlquote("http://%s" % html.unescape(middle))
+            elif ":" not in middle and self.is_email_simple(middle):
+                local, domain = middle.rsplit("@", 1)
+                try:
+                    domain = punycode(domain)
+                except UnicodeError:
+                    return word
+                url = self.mailto_template.format(local=local, domain=domain)
+                nofollow_attr = ""
+            # Make link.
+            if url:
+                trimmed = self.trim_url(middle, limit=trim_url_limit)
+                if autoescape and not safe_input:
+                    lead, trail = escape(lead), escape(trail)
+                    trimmed = escape(trimmed)
+                middle = self.url_template.format(
+                    href=escape(url),
+                    attrs=nofollow_attr,
+                    url=trimmed,
+                )
+                return mark_safe(f"{lead}{middle}{trail}")
+            else:
+                if safe_input:
+                    return mark_safe(word)
+                elif autoescape:
+                    return escape(word)
+        elif safe_input:
+            return mark_safe(word)
+        elif autoescape:
+            return escape(word)
+        return word
+
+    def trim_url(self, x, *, limit):
+        if limit is None or len(x) <= limit:
+            return x
+        return "%s…" % x[: max(0, limit - 1)]
+
+    def trim_punctuation(self, word):
+        """
+        Trim trailing and wrapping punctuation from `word`. Return the items of
+        the new state.
+        """
+        lead, middle, trail = "", word, ""
+        # Continue trimming until middle remains unchanged.
+        trimmed_something = True
+        while trimmed_something:
+            trimmed_something = False
+            # Trim wrapping punctuation.
+            for opening, closing in self.wrapping_punctuation:
+                if middle.startswith(opening):
+                    middle = middle.removeprefix(opening)
+                    lead += opening
+                    trimmed_something = True
+                # Keep parentheses at the end only if they're balanced.
+                if (
+                    middle.endswith(closing)
+                    and middle.count(closing) == middle.count(opening) + 1
+                ):
+                    middle = middle.removesuffix(closing)
+                    trail = closing + trail
+                    trimmed_something = True
+            # Trim trailing punctuation (after trimming wrapping punctuation,
+            # as encoded entities contain ';'). Unescape entities to avoid
+            # breaking them by removing ';'.
+            middle_unescaped = html.unescape(middle)
+            stripped = middle_unescaped.rstrip(self.trailing_punctuation_chars)
+            if middle_unescaped != stripped:
+                punctuation_count = len(middle_unescaped) - len(stripped)
+                trail = middle[-punctuation_count:] + trail
+                middle = middle[:-punctuation_count]
+                trimmed_something = True
+        return lead, middle, trail
+
+    @staticmethod
+    def is_email_simple(value):
+        """Return True if value looks like an email address."""
+        # An @ must be in the middle of the value.
+        if "@" not in value or value.startswith("@") or value.endswith("@"):
+            return False
+        try:
+            p1, p2 = value.split("@")
+        except ValueError:
+            # value contains more than one @.
+            return False
+        # Dot must be in p2 (e.g. example.com)
+        if "." not in p2 or p2.startswith("."):
+            return False
+        return True
+
+
+urlizer = Urlizer()
+
+
+@keep_lazy_text
+def urlize(text, trim_url_limit=None, nofollow=False, autoescape=False):
+    return urlizer(
+        text, trim_url_limit=trim_url_limit, nofollow=nofollow, autoescape=autoescape
+    )
+
+
+def avoid_wrapping(value):
+    """
+    Avoid text wrapping in the middle of a phrase by adding non-breaking
+    spaces where there previously were normal spaces.
+    """
+    return value.replace(" ", "\xa0")
+
+
+def html_safe(klass):
+    """
+    A decorator that defines the __html__ method. This helps non-Django
+    templates to detect classes whose __str__ methods return SafeString.
+    """
+    if "__html__" in klass.__dict__:
+        raise ValueError(
+            "can't apply @html_safe to %s because it defines "
+            "__html__()." % klass.__name__
+        )
+    if "__str__" not in klass.__dict__:
+        raise ValueError(
+            "can't apply @html_safe to %s because it doesn't "
+            "define __str__()." % klass.__name__
+        )
+    klass_str = klass.__str__
+    klass.__str__ = lambda self: mark_safe(klass_str(self))
+    klass.__html__ = lambda self: str(self)
+    return klass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/http.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/http.py
new file mode 100644
index 00000000..cfd982fc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/http.py
@@ -0,0 +1,375 @@
+import base64
+import datetime
+import re
+import unicodedata
+from binascii import Error as BinasciiError
+from email.utils import formatdate
+from urllib.parse import quote, unquote
+from urllib.parse import urlencode as original_urlencode
+from urllib.parse import urlparse
+
+from django.utils.datastructures import MultiValueDict
+from django.utils.regex_helper import _lazy_re_compile
+
+# Based on RFC 9110 Appendix A.
+ETAG_MATCH = _lazy_re_compile(
+    r"""
+    \A(      # start of string and capture group
+    (?:W/)?  # optional weak indicator
+    "        # opening quote
+    [^"]*    # any sequence of non-quote characters
+    "        # end quote
+    )\Z      # end of string and capture group
+""",
+    re.X,
+)
+
+MONTHS = "jan feb mar apr may jun jul aug sep oct nov dec".split()
+__D = r"(?P<day>[0-9]{2})"
+__D2 = r"(?P<day>[ 0-9][0-9])"
+__M = r"(?P<mon>\w{3})"
+__Y = r"(?P<year>[0-9]{4})"
+__Y2 = r"(?P<year>[0-9]{2})"
+__T = r"(?P<hour>[0-9]{2}):(?P<min>[0-9]{2}):(?P<sec>[0-9]{2})"
+RFC1123_DATE = _lazy_re_compile(r"^\w{3}, %s %s %s %s GMT$" % (__D, __M, __Y, __T))
+RFC850_DATE = _lazy_re_compile(r"^\w{6,9}, %s-%s-%s %s GMT$" % (__D, __M, __Y2, __T))
+ASCTIME_DATE = _lazy_re_compile(r"^\w{3} %s %s %s %s$" % (__M, __D2, __T, __Y))
+
+RFC3986_GENDELIMS = ":/?#[]@"
+RFC3986_SUBDELIMS = "!$&'()*+,;="
+
+
+def urlencode(query, doseq=False):
+    """
+    A version of Python's urllib.parse.urlencode() function that can operate on
+    MultiValueDict and non-string values.
+    """
+    if isinstance(query, MultiValueDict):
+        query = query.lists()
+    elif hasattr(query, "items"):
+        query = query.items()
+    query_params = []
+    for key, value in query:
+        if value is None:
+            raise TypeError(
+                "Cannot encode None for key '%s' in a query string. Did you "
+                "mean to pass an empty string or omit the value?" % key
+            )
+        elif not doseq or isinstance(value, (str, bytes)):
+            query_val = value
+        else:
+            try:
+                itr = iter(value)
+            except TypeError:
+                query_val = value
+            else:
+                # Consume generators and iterators, when doseq=True, to
+                # work around https://bugs.python.org/issue31706.
+                query_val = []
+                for item in itr:
+                    if item is None:
+                        raise TypeError(
+                            "Cannot encode None for key '%s' in a query "
+                            "string. Did you mean to pass an empty string or "
+                            "omit the value?" % key
+                        )
+                    elif not isinstance(item, bytes):
+                        item = str(item)
+                    query_val.append(item)
+        query_params.append((key, query_val))
+    return original_urlencode(query_params, doseq)
+
+
+def http_date(epoch_seconds=None):
+    """
+    Format the time to match the RFC 5322 date format as specified by RFC 9110
+    Section 5.6.7.
+
+    `epoch_seconds` is a floating point number expressed in seconds since the
+    epoch, in UTC - such as that outputted by time.time(). If set to None, it
+    defaults to the current time.
+
+    Output a string in the format 'Wdy, DD Mon YYYY HH:MM:SS GMT'.
+    """
+    return formatdate(epoch_seconds, usegmt=True)
+
+
+def parse_http_date(date):
+    """
+    Parse a date format as specified by HTTP RFC 9110 Section 5.6.7.
+
+    The three formats allowed by the RFC are accepted, even if only the first
+    one is still in widespread use.
+
+    Return an integer expressed in seconds since the epoch, in UTC.
+    """
+    # email.utils.parsedate() does the job for RFC 1123 dates; unfortunately
+    # RFC 9110 makes it mandatory to support RFC 850 dates too. So we roll
+    # our own RFC-compliant parsing.
+    for regex in RFC1123_DATE, RFC850_DATE, ASCTIME_DATE:
+        m = regex.match(date)
+        if m is not None:
+            break
+    else:
+        raise ValueError("%r is not in a valid HTTP date format" % date)
+    try:
+        tz = datetime.timezone.utc
+        year = int(m["year"])
+        if year < 100:
+            current_year = datetime.datetime.now(tz=tz).year
+            current_century = current_year - (current_year % 100)
+            if year - (current_year % 100) > 50:
+                # year that appears to be more than 50 years in the future are
+                # interpreted as representing the past.
+                year += current_century - 100
+            else:
+                year += current_century
+        month = MONTHS.index(m["mon"].lower()) + 1
+        day = int(m["day"])
+        hour = int(m["hour"])
+        min = int(m["min"])
+        sec = int(m["sec"])
+        result = datetime.datetime(year, month, day, hour, min, sec, tzinfo=tz)
+        return int(result.timestamp())
+    except Exception as exc:
+        raise ValueError("%r is not a valid date" % date) from exc
+
+
+def parse_http_date_safe(date):
+    """
+    Same as parse_http_date, but return None if the input is invalid.
+    """
+    try:
+        return parse_http_date(date)
+    except Exception:
+        pass
+
+
+# Base 36 functions: useful for generating compact URLs
+
+
+def base36_to_int(s):
+    """
+    Convert a base 36 string to an int. Raise ValueError if the input won't fit
+    into an int.
+    """
+    # To prevent overconsumption of server resources, reject any
+    # base36 string that is longer than 13 base36 digits (13 digits
+    # is sufficient to base36-encode any 64-bit integer)
+    if len(s) > 13:
+        raise ValueError("Base36 input too large")
+    return int(s, 36)
+
+
+def int_to_base36(i):
+    """Convert an integer to a base36 string."""
+    char_set = "0123456789abcdefghijklmnopqrstuvwxyz"
+    if i < 0:
+        raise ValueError("Negative base36 conversion input.")
+    if i < 36:
+        return char_set[i]
+    b36 = ""
+    while i != 0:
+        i, n = divmod(i, 36)
+        b36 = char_set[n] + b36
+    return b36
+
+
+def urlsafe_base64_encode(s):
+    """
+    Encode a bytestring to a base64 string for use in URLs. Strip any trailing
+    equal signs.
+    """
+    return base64.urlsafe_b64encode(s).rstrip(b"\n=").decode("ascii")
+
+
+def urlsafe_base64_decode(s):
+    """
+    Decode a base64 encoded string. Add back any trailing equal signs that
+    might have been stripped.
+    """
+    s = s.encode()
+    try:
+        return base64.urlsafe_b64decode(s.ljust(len(s) + len(s) % 4, b"="))
+    except (LookupError, BinasciiError) as e:
+        raise ValueError(e)
+
+
+def parse_etags(etag_str):
+    """
+    Parse a string of ETags given in an If-None-Match or If-Match header as
+    defined by RFC 9110. Return a list of quoted ETags, or ['*'] if all ETags
+    should be matched.
+    """
+    if etag_str.strip() == "*":
+        return ["*"]
+    else:
+        # Parse each ETag individually, and return any that are valid.
+        etag_matches = (ETAG_MATCH.match(etag.strip()) for etag in etag_str.split(","))
+        return [match[1] for match in etag_matches if match]
+
+
+def quote_etag(etag_str):
+    """
+    If the provided string is already a quoted ETag, return it. Otherwise, wrap
+    the string in quotes, making it a strong ETag.
+    """
+    if ETAG_MATCH.match(etag_str):
+        return etag_str
+    else:
+        return '"%s"' % etag_str
+
+
+def is_same_domain(host, pattern):
+    """
+    Return ``True`` if the host is either an exact match or a match
+    to the wildcard pattern.
+
+    Any pattern beginning with a period matches a domain and all of its
+    subdomains. (e.g. ``.example.com`` matches ``example.com`` and
+    ``foo.example.com``). Anything else is an exact string match.
+    """
+    if not pattern:
+        return False
+
+    pattern = pattern.lower()
+    return (
+        pattern[0] == "."
+        and (host.endswith(pattern) or host == pattern[1:])
+        or pattern == host
+    )
+
+
+def url_has_allowed_host_and_scheme(url, allowed_hosts, require_https=False):
+    """
+    Return ``True`` if the url uses an allowed host and a safe scheme.
+
+    Always return ``False`` on an empty url.
+
+    If ``require_https`` is ``True``, only 'https' will be considered a valid
+    scheme, as opposed to 'http' and 'https' with the default, ``False``.
+
+    Note: "True" doesn't entail that a URL is "safe". It may still be e.g.
+    quoted incorrectly. Ensure to also use django.utils.encoding.iri_to_uri()
+    on the path component of untrusted URLs.
+    """
+    if url is not None:
+        url = url.strip()
+    if not url:
+        return False
+    if allowed_hosts is None:
+        allowed_hosts = set()
+    elif isinstance(allowed_hosts, str):
+        allowed_hosts = {allowed_hosts}
+    # Chrome treats \ completely as / in paths but it could be part of some
+    # basic auth credentials so we need to check both URLs.
+    return _url_has_allowed_host_and_scheme(
+        url, allowed_hosts, require_https=require_https
+    ) and _url_has_allowed_host_and_scheme(
+        url.replace("\\", "/"), allowed_hosts, require_https=require_https
+    )
+
+
+def _url_has_allowed_host_and_scheme(url, allowed_hosts, require_https=False):
+    # Chrome considers any URL with more than two slashes to be absolute, but
+    # urlparse is not so flexible. Treat any url with three slashes as unsafe.
+    if url.startswith("///"):
+        return False
+    try:
+        url_info = urlparse(url)
+    except ValueError:  # e.g. invalid IPv6 addresses
+        return False
+    # Forbid URLs like http:///example.com - with a scheme, but without a hostname.
+    # In that URL, example.com is not the hostname but, a path component. However,
+    # Chrome will still consider example.com to be the hostname, so we must not
+    # allow this syntax.
+    if not url_info.netloc and url_info.scheme:
+        return False
+    # Forbid URLs that start with control characters. Some browsers (like
+    # Chrome) ignore quite a few control characters at the start of a
+    # URL and might consider the URL as scheme relative.
+    if unicodedata.category(url[0])[0] == "C":
+        return False
+    scheme = url_info.scheme
+    # Consider URLs without a scheme (e.g. //example.com/p) to be http.
+    if not url_info.scheme and url_info.netloc:
+        scheme = "http"
+    valid_schemes = ["https"] if require_https else ["http", "https"]
+    return (not url_info.netloc or url_info.netloc in allowed_hosts) and (
+        not scheme or scheme in valid_schemes
+    )
+
+
+def escape_leading_slashes(url):
+    """
+    If redirecting to an absolute path (two leading slashes), a slash must be
+    escaped to prevent browsers from handling the path as schemaless and
+    redirecting to another host.
+    """
+    if url.startswith("//"):
+        url = "/%2F{}".format(url.removeprefix("//"))
+    return url
+
+
+def _parseparam(s):
+    while s[:1] == ";":
+        s = s[1:]
+        end = s.find(";")
+        while end > 0 and (s.count('"', 0, end) - s.count('\\"', 0, end)) % 2:
+            end = s.find(";", end + 1)
+        if end < 0:
+            end = len(s)
+        f = s[:end]
+        yield f.strip()
+        s = s[end:]
+
+
+def parse_header_parameters(line):
+    """
+    Parse a Content-type like header.
+    Return the main content-type and a dictionary of options.
+    """
+    parts = _parseparam(";" + line)
+    key = parts.__next__().lower()
+    pdict = {}
+    for p in parts:
+        i = p.find("=")
+        if i >= 0:
+            has_encoding = False
+            name = p[:i].strip().lower()
+            if name.endswith("*"):
+                # Lang/encoding embedded in the value (like "filename*=UTF-8''file.ext")
+                # https://tools.ietf.org/html/rfc2231#section-4
+                name = name[:-1]
+                if p.count("'") == 2:
+                    has_encoding = True
+            value = p[i + 1 :].strip()
+            if len(value) >= 2 and value[0] == value[-1] == '"':
+                value = value[1:-1]
+                value = value.replace("\\\\", "\\").replace('\\"', '"')
+            if has_encoding:
+                encoding, lang, value = value.split("'")
+                value = unquote(value, encoding=encoding)
+            pdict[name] = value
+    return key, pdict
+
+
+def content_disposition_header(as_attachment, filename):
+    """
+    Construct a Content-Disposition HTTP header value from the given filename
+    as specified by RFC 6266.
+    """
+    if filename:
+        disposition = "attachment" if as_attachment else "inline"
+        try:
+            filename.encode("ascii")
+            file_expr = 'filename="{}"'.format(
+                filename.replace("\\", "\\\\").replace('"', r"\"")
+            )
+        except UnicodeEncodeError:
+            file_expr = "filename*=utf-8''{}".format(quote(filename))
+        return f"{disposition}; {file_expr}"
+    elif as_attachment:
+        return "attachment"
+    else:
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/inspect.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/inspect.py
new file mode 100644
index 00000000..28418f73
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/inspect.py
@@ -0,0 +1,73 @@
+import functools
+import inspect
+
+
+@functools.lru_cache(maxsize=512)
+def _get_func_parameters(func, remove_first):
+    parameters = tuple(inspect.signature(func).parameters.values())
+    if remove_first:
+        parameters = parameters[1:]
+    return parameters
+
+
+def _get_callable_parameters(meth_or_func):
+    is_method = inspect.ismethod(meth_or_func)
+    func = meth_or_func.__func__ if is_method else meth_or_func
+    return _get_func_parameters(func, remove_first=is_method)
+
+
+def get_func_args(func):
+    params = _get_callable_parameters(func)
+    return [
+        param.name
+        for param in params
+        if param.kind == inspect.Parameter.POSITIONAL_OR_KEYWORD
+    ]
+
+
+def get_func_full_args(func):
+    """
+    Return a list of (argument name, default value) tuples. If the argument
+    does not have a default value, omit it in the tuple. Arguments such as
+    *args and **kwargs are also included.
+    """
+    params = _get_callable_parameters(func)
+    args = []
+    for param in params:
+        name = param.name
+        # Ignore 'self'
+        if name == "self":
+            continue
+        if param.kind == inspect.Parameter.VAR_POSITIONAL:
+            name = "*" + name
+        elif param.kind == inspect.Parameter.VAR_KEYWORD:
+            name = "**" + name
+        if param.default != inspect.Parameter.empty:
+            args.append((name, param.default))
+        else:
+            args.append((name,))
+    return args
+
+
+def func_accepts_kwargs(func):
+    """Return True if function 'func' accepts keyword arguments **kwargs."""
+    return any(p for p in _get_callable_parameters(func) if p.kind == p.VAR_KEYWORD)
+
+
+def func_accepts_var_args(func):
+    """
+    Return True if function 'func' accepts positional arguments *args.
+    """
+    return any(p for p in _get_callable_parameters(func) if p.kind == p.VAR_POSITIONAL)
+
+
+def method_has_no_args(meth):
+    """Return True if a method only accepts 'self'."""
+    count = len(
+        [p for p in _get_callable_parameters(meth) if p.kind == p.POSITIONAL_OR_KEYWORD]
+    )
+    return count == 0 if inspect.ismethod(meth) else count == 1
+
+
+def func_supports_parameter(func, name):
+    return any(param.name == name for param in _get_callable_parameters(func))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/ipv6.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/ipv6.py
new file mode 100644
index 00000000..88dd6ecb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/ipv6.py
@@ -0,0 +1,47 @@
+import ipaddress
+
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext_lazy as _
+
+
+def clean_ipv6_address(
+    ip_str, unpack_ipv4=False, error_message=_("This is not a valid IPv6 address.")
+):
+    """
+    Clean an IPv6 address string.
+
+    Raise ValidationError if the address is invalid.
+
+    Replace the longest continuous zero-sequence with "::", remove leading
+    zeroes, and make sure all hextets are lowercase.
+
+    Args:
+        ip_str: A valid IPv6 address.
+        unpack_ipv4: if an IPv4-mapped address is found,
+        return the plain IPv4 address (default=False).
+        error_message: An error message used in the ValidationError.
+
+    Return a compressed IPv6 address or the same value.
+    """
+    try:
+        addr = ipaddress.IPv6Address(int(ipaddress.IPv6Address(ip_str)))
+    except ValueError:
+        raise ValidationError(error_message, code="invalid")
+
+    if unpack_ipv4 and addr.ipv4_mapped:
+        return str(addr.ipv4_mapped)
+    elif addr.ipv4_mapped:
+        return "::ffff:%s" % str(addr.ipv4_mapped)
+
+    return str(addr)
+
+
+def is_valid_ipv6_address(ip_str):
+    """
+    Return whether or not the `ip_str` string is a valid IPv6 address.
+    """
+    try:
+        ipaddress.IPv6Address(ip_str)
+    except ValueError:
+        return False
+    return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/itercompat.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/itercompat.py
new file mode 100644
index 00000000..9895e3f8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/itercompat.py
@@ -0,0 +1,8 @@
+def is_iterable(x):
+    "An implementation independent way of checking for iterables"
+    try:
+        iter(x)
+    except TypeError:
+        return False
+    else:
+        return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/jslex.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/jslex.py
new file mode 100644
index 00000000..fc46a686
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/jslex.py
@@ -0,0 +1,250 @@
+"""JsLex: a lexer for JavaScript"""
+
+# Originally from https://bitbucket.org/ned/jslex
+import re
+
+
+class Tok:
+    """
+    A specification for a token class.
+    """
+
+    num = 0
+
+    def __init__(self, name, regex, next=None):
+        self.id = Tok.num
+        Tok.num += 1
+        self.name = name
+        self.regex = regex
+        self.next = next
+
+
+def literals(choices, prefix="", suffix=""):
+    """
+    Create a regex from a space-separated list of literal `choices`.
+
+    If provided, `prefix` and `suffix` will be attached to each choice
+    individually.
+    """
+    return "|".join(prefix + re.escape(c) + suffix for c in choices.split())
+
+
+class Lexer:
+    """
+    A generic multi-state regex-based lexer.
+    """
+
+    def __init__(self, states, first):
+        self.regexes = {}
+        self.toks = {}
+
+        for state, rules in states.items():
+            parts = []
+            for tok in rules:
+                groupid = "t%d" % tok.id
+                self.toks[groupid] = tok
+                parts.append("(?P<%s>%s)" % (groupid, tok.regex))
+            self.regexes[state] = re.compile("|".join(parts), re.MULTILINE | re.VERBOSE)
+
+        self.state = first
+
+    def lex(self, text):
+        """
+        Lexically analyze `text`.
+
+        Yield pairs (`name`, `tokentext`).
+        """
+        end = len(text)
+        state = self.state
+        regexes = self.regexes
+        toks = self.toks
+        start = 0
+
+        while start < end:
+            for match in regexes[state].finditer(text, start):
+                name = match.lastgroup
+                tok = toks[name]
+                toktext = match[name]
+                start += len(toktext)
+                yield (tok.name, toktext)
+
+                if tok.next:
+                    state = tok.next
+                    break
+
+        self.state = state
+
+
+class JsLexer(Lexer):
+    """
+    A JavaScript lexer
+
+    >>> lexer = JsLexer()
+    >>> list(lexer.lex("a = 1"))
+    [('id', 'a'), ('ws', ' '), ('punct', '='), ('ws', ' '), ('dnum', '1')]
+
+    This doesn't properly handle non-ASCII characters in the JavaScript source.
+    """
+
+    # Because these tokens are matched as alternatives in a regex, longer
+    # possibilities must appear in the list before shorter ones, for example,
+    # '>>' before '>'.
+    #
+    # Note that we don't have to detect malformed JavaScript, only properly
+    # lex correct JavaScript, so much of this is simplified.
+
+    # Details of JavaScript lexical structure are taken from
+    # https://www.ecma-international.org/publications-and-standards/standards/ecma-262/
+
+    # A useful explanation of automatic semicolon insertion is at
+    # http://inimino.org/~inimino/blog/javascript_semicolons
+
+    both_before = [
+        Tok("comment", r"/\*(.|\n)*?\*/"),
+        Tok("linecomment", r"//.*?$"),
+        Tok("ws", r"\s+"),
+        Tok(
+            "keyword",
+            literals(
+                """
+                           break case catch class const continue debugger
+                           default delete do else enum export extends
+                           finally for function if import in instanceof
+                           new return super switch this throw try typeof
+                           var void while with
+                           """,
+                suffix=r"\b",
+            ),
+            next="reg",
+        ),
+        Tok("reserved", literals("null true false", suffix=r"\b"), next="div"),
+        Tok(
+            "id",
+            r"""
+                  ([a-zA-Z_$   ]|\\u[0-9a-fA-Z]{4})   # first char
+                  ([a-zA-Z_$0-9]|\\u[0-9a-fA-F]{4})*  # rest chars
+                  """,
+            next="div",
+        ),
+        Tok("hnum", r"0[xX][0-9a-fA-F]+", next="div"),
+        Tok("onum", r"0[0-7]+"),
+        Tok(
+            "dnum",
+            r"""
+                    (   (0|[1-9][0-9]*)     # DecimalIntegerLiteral
+                        \.                  # dot
+                        [0-9]*              # DecimalDigits-opt
+                        ([eE][-+]?[0-9]+)?  # ExponentPart-opt
+                    |
+                        \.                  # dot
+                        [0-9]+              # DecimalDigits
+                        ([eE][-+]?[0-9]+)?  # ExponentPart-opt
+                    |
+                        (0|[1-9][0-9]*)     # DecimalIntegerLiteral
+                        ([eE][-+]?[0-9]+)?  # ExponentPart-opt
+                    )
+                    """,
+            next="div",
+        ),
+        Tok(
+            "punct",
+            literals(
+                """
+                         >>>= === !== >>> <<= >>= <= >= == != << >> &&
+                         || += -= *= %= &= |= ^=
+                         """
+            ),
+            next="reg",
+        ),
+        Tok("punct", literals("++ -- ) ]"), next="div"),
+        Tok("punct", literals("{ } ( [ . ; , < > + - * % & | ^ ! ~ ? : ="), next="reg"),
+        Tok("string", r'"([^"\\]|(\\(.|\n)))*?"', next="div"),
+        Tok("string", r"'([^'\\]|(\\(.|\n)))*?'", next="div"),
+    ]
+
+    both_after = [
+        Tok("other", r"."),
+    ]
+
+    states = {
+        # slash will mean division
+        "div": both_before
+        + [
+            Tok("punct", literals("/= /"), next="reg"),
+        ]
+        + both_after,
+        # slash will mean regex
+        "reg": both_before
+        + [
+            Tok(
+                "regex",
+                r"""
+                    /                       # opening slash
+                    # First character is..
+                    (   [^*\\/[]            # anything but * \ / or [
+                    |   \\.                 # or an escape sequence
+                    |   \[                  # or a class, which has
+                            (   [^\]\\]     #   anything but \ or ]
+                            |   \\.         #   or an escape sequence
+                            )*              #   many times
+                        \]
+                    )
+                    # Following characters are same, except for excluding a star
+                    (   [^\\/[]             # anything but \ / or [
+                    |   \\.                 # or an escape sequence
+                    |   \[                  # or a class, which has
+                            (   [^\]\\]     #   anything but \ or ]
+                            |   \\.         #   or an escape sequence
+                            )*              #   many times
+                        \]
+                    )*                      # many times
+                    /                       # closing slash
+                    [a-zA-Z0-9]*            # trailing flags
+                """,
+                next="div",
+            ),
+        ]
+        + both_after,
+    }
+
+    def __init__(self):
+        super().__init__(self.states, "reg")
+
+
+def prepare_js_for_gettext(js):
+    """
+    Convert the JavaScript source `js` into something resembling C for
+    xgettext.
+
+    What actually happens is that all the regex literals are replaced with
+    "REGEX".
+    """
+
+    def escape_quotes(m):
+        """Used in a regex to properly escape double quotes."""
+        s = m[0]
+        if s == '"':
+            return r"\""
+        else:
+            return s
+
+    lexer = JsLexer()
+    c = []
+    for name, tok in lexer.lex(js):
+        if name == "regex":
+            # C doesn't grok regexes, and they aren't needed for gettext,
+            # so just output a string instead.
+            tok = '"REGEX"'
+        elif name == "string":
+            # C doesn't have single-quoted strings, so make all strings
+            # double-quoted.
+            if tok.startswith("'"):
+                guts = re.sub(r"\\.|.", escape_quotes, tok[1:-1])
+                tok = '"' + guts + '"'
+        elif name == "id":
+            # C can't deal with Unicode escapes in identifiers.  We don't
+            # need them for gettext anyway, so replace them with something
+            # innocuous
+            tok = tok.replace("\\", "U")
+        c.append(tok)
+    return "".join(c)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/log.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/log.py
new file mode 100644
index 00000000..fd0cc1bd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/log.py
@@ -0,0 +1,250 @@
+import logging
+import logging.config  # needed when logging_config doesn't start with logging.config
+from copy import copy
+
+from django.conf import settings
+from django.core import mail
+from django.core.mail import get_connection
+from django.core.management.color import color_style
+from django.utils.module_loading import import_string
+
+request_logger = logging.getLogger("django.request")
+
+# Default logging for Django. This sends an email to the site admins on every
+# HTTP 500 error. Depending on DEBUG, all other log records are either sent to
+# the console (DEBUG=True) or discarded (DEBUG=False) by means of the
+# require_debug_true filter. This configuration is quoted in
+# docs/ref/logging.txt; please amend it there if edited here.
+DEFAULT_LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "filters": {
+        "require_debug_false": {
+            "()": "django.utils.log.RequireDebugFalse",
+        },
+        "require_debug_true": {
+            "()": "django.utils.log.RequireDebugTrue",
+        },
+    },
+    "formatters": {
+        "django.server": {
+            "()": "django.utils.log.ServerFormatter",
+            "format": "[{server_time}] {message}",
+            "style": "{",
+        }
+    },
+    "handlers": {
+        "console": {
+            "level": "INFO",
+            "filters": ["require_debug_true"],
+            "class": "logging.StreamHandler",
+        },
+        "django.server": {
+            "level": "INFO",
+            "class": "logging.StreamHandler",
+            "formatter": "django.server",
+        },
+        "mail_admins": {
+            "level": "ERROR",
+            "filters": ["require_debug_false"],
+            "class": "django.utils.log.AdminEmailHandler",
+        },
+    },
+    "loggers": {
+        "django": {
+            "handlers": ["console", "mail_admins"],
+            "level": "INFO",
+        },
+        "django.server": {
+            "handlers": ["django.server"],
+            "level": "INFO",
+            "propagate": False,
+        },
+    },
+}
+
+
+def configure_logging(logging_config, logging_settings):
+    if logging_config:
+        # First find the logging configuration function ...
+        logging_config_func = import_string(logging_config)
+
+        logging.config.dictConfig(DEFAULT_LOGGING)
+
+        # ... then invoke it with the logging settings
+        if logging_settings:
+            logging_config_func(logging_settings)
+
+
+class AdminEmailHandler(logging.Handler):
+    """An exception log handler that emails log entries to site admins.
+
+    If the request is passed as the first argument to the log record,
+    request data will be provided in the email report.
+    """
+
+    def __init__(self, include_html=False, email_backend=None, reporter_class=None):
+        super().__init__()
+        self.include_html = include_html
+        self.email_backend = email_backend
+        self.reporter_class = import_string(
+            reporter_class or settings.DEFAULT_EXCEPTION_REPORTER
+        )
+
+    def emit(self, record):
+        try:
+            request = record.request
+            subject = "%s (%s IP): %s" % (
+                record.levelname,
+                (
+                    "internal"
+                    if request.META.get("REMOTE_ADDR") in settings.INTERNAL_IPS
+                    else "EXTERNAL"
+                ),
+                record.getMessage(),
+            )
+        except Exception:
+            subject = "%s: %s" % (record.levelname, record.getMessage())
+            request = None
+        subject = self.format_subject(subject)
+
+        # Since we add a nicely formatted traceback on our own, create a copy
+        # of the log record without the exception data.
+        no_exc_record = copy(record)
+        no_exc_record.exc_info = None
+        no_exc_record.exc_text = None
+
+        if record.exc_info:
+            exc_info = record.exc_info
+        else:
+            exc_info = (None, record.getMessage(), None)
+
+        reporter = self.reporter_class(request, is_email=True, *exc_info)
+        message = "%s\n\n%s" % (
+            self.format(no_exc_record),
+            reporter.get_traceback_text(),
+        )
+        html_message = reporter.get_traceback_html() if self.include_html else None
+        self.send_mail(subject, message, fail_silently=True, html_message=html_message)
+
+    def send_mail(self, subject, message, *args, **kwargs):
+        mail.mail_admins(
+            subject, message, *args, connection=self.connection(), **kwargs
+        )
+
+    def connection(self):
+        return get_connection(backend=self.email_backend, fail_silently=True)
+
+    def format_subject(self, subject):
+        """
+        Escape CR and LF characters.
+        """
+        return subject.replace("\n", "\\n").replace("\r", "\\r")
+
+
+class CallbackFilter(logging.Filter):
+    """
+    A logging filter that checks the return value of a given callable (which
+    takes the record-to-be-logged as its only parameter) to decide whether to
+    log a record.
+    """
+
+    def __init__(self, callback):
+        self.callback = callback
+
+    def filter(self, record):
+        if self.callback(record):
+            return 1
+        return 0
+
+
+class RequireDebugFalse(logging.Filter):
+    def filter(self, record):
+        return not settings.DEBUG
+
+
+class RequireDebugTrue(logging.Filter):
+    def filter(self, record):
+        return settings.DEBUG
+
+
+class ServerFormatter(logging.Formatter):
+    default_time_format = "%d/%b/%Y %H:%M:%S"
+
+    def __init__(self, *args, **kwargs):
+        self.style = color_style()
+        super().__init__(*args, **kwargs)
+
+    def format(self, record):
+        msg = record.msg
+        status_code = getattr(record, "status_code", None)
+
+        if status_code:
+            if 200 <= status_code < 300:
+                # Put 2XX first, since it should be the common case
+                msg = self.style.HTTP_SUCCESS(msg)
+            elif 100 <= status_code < 200:
+                msg = self.style.HTTP_INFO(msg)
+            elif status_code == 304:
+                msg = self.style.HTTP_NOT_MODIFIED(msg)
+            elif 300 <= status_code < 400:
+                msg = self.style.HTTP_REDIRECT(msg)
+            elif status_code == 404:
+                msg = self.style.HTTP_NOT_FOUND(msg)
+            elif 400 <= status_code < 500:
+                msg = self.style.HTTP_BAD_REQUEST(msg)
+            else:
+                # Any 5XX, or any other status code
+                msg = self.style.HTTP_SERVER_ERROR(msg)
+
+        if self.uses_server_time() and not hasattr(record, "server_time"):
+            record.server_time = self.formatTime(record, self.datefmt)
+
+        record.msg = msg
+        return super().format(record)
+
+    def uses_server_time(self):
+        return self._fmt.find("{server_time}") >= 0
+
+
+def log_response(
+    message,
+    *args,
+    response=None,
+    request=None,
+    logger=request_logger,
+    level=None,
+    exception=None,
+):
+    """
+    Log errors based on HttpResponse status.
+
+    Log 5xx responses as errors and 4xx responses as warnings (unless a level
+    is given as a keyword argument). The HttpResponse status_code and the
+    request are passed to the logger's extra parameter.
+    """
+    # Check if the response has already been logged. Multiple requests to log
+    # the same response can be received in some cases, e.g., when the
+    # response is the result of an exception and is logged when the exception
+    # is caught, to record the exception.
+    if getattr(response, "_has_been_logged", False):
+        return
+
+    if level is None:
+        if response.status_code >= 500:
+            level = "error"
+        elif response.status_code >= 400:
+            level = "warning"
+        else:
+            level = "info"
+
+    getattr(logger, level)(
+        message,
+        *args,
+        extra={
+            "status_code": response.status_code,
+            "request": request,
+        },
+        exc_info=exception,
+    )
+    response._has_been_logged = True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/lorem_ipsum.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/lorem_ipsum.py
new file mode 100644
index 00000000..5cbc4e5a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/lorem_ipsum.py
@@ -0,0 +1,286 @@
+"""
+Utility functions for generating "lorem ipsum" Latin text.
+"""
+
+import random
+
+COMMON_P = (
+    "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod "
+    "tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
+    "veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
+    "commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
+    "velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
+    "occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
+    "mollit anim id est laborum."
+)
+
+WORDS = (
+    "exercitationem",
+    "perferendis",
+    "perspiciatis",
+    "laborum",
+    "eveniet",
+    "sunt",
+    "iure",
+    "nam",
+    "nobis",
+    "eum",
+    "cum",
+    "officiis",
+    "excepturi",
+    "odio",
+    "consectetur",
+    "quasi",
+    "aut",
+    "quisquam",
+    "vel",
+    "eligendi",
+    "itaque",
+    "non",
+    "odit",
+    "tempore",
+    "quaerat",
+    "dignissimos",
+    "facilis",
+    "neque",
+    "nihil",
+    "expedita",
+    "vitae",
+    "vero",
+    "ipsum",
+    "nisi",
+    "animi",
+    "cumque",
+    "pariatur",
+    "velit",
+    "modi",
+    "natus",
+    "iusto",
+    "eaque",
+    "sequi",
+    "illo",
+    "sed",
+    "ex",
+    "et",
+    "voluptatibus",
+    "tempora",
+    "veritatis",
+    "ratione",
+    "assumenda",
+    "incidunt",
+    "nostrum",
+    "placeat",
+    "aliquid",
+    "fuga",
+    "provident",
+    "praesentium",
+    "rem",
+    "necessitatibus",
+    "suscipit",
+    "adipisci",
+    "quidem",
+    "possimus",
+    "voluptas",
+    "debitis",
+    "sint",
+    "accusantium",
+    "unde",
+    "sapiente",
+    "voluptate",
+    "qui",
+    "aspernatur",
+    "laudantium",
+    "soluta",
+    "amet",
+    "quo",
+    "aliquam",
+    "saepe",
+    "culpa",
+    "libero",
+    "ipsa",
+    "dicta",
+    "reiciendis",
+    "nesciunt",
+    "doloribus",
+    "autem",
+    "impedit",
+    "minima",
+    "maiores",
+    "repudiandae",
+    "ipsam",
+    "obcaecati",
+    "ullam",
+    "enim",
+    "totam",
+    "delectus",
+    "ducimus",
+    "quis",
+    "voluptates",
+    "dolores",
+    "molestiae",
+    "harum",
+    "dolorem",
+    "quia",
+    "voluptatem",
+    "molestias",
+    "magni",
+    "distinctio",
+    "omnis",
+    "illum",
+    "dolorum",
+    "voluptatum",
+    "ea",
+    "quas",
+    "quam",
+    "corporis",
+    "quae",
+    "blanditiis",
+    "atque",
+    "deserunt",
+    "laboriosam",
+    "earum",
+    "consequuntur",
+    "hic",
+    "cupiditate",
+    "quibusdam",
+    "accusamus",
+    "ut",
+    "rerum",
+    "error",
+    "minus",
+    "eius",
+    "ab",
+    "ad",
+    "nemo",
+    "fugit",
+    "officia",
+    "at",
+    "in",
+    "id",
+    "quos",
+    "reprehenderit",
+    "numquam",
+    "iste",
+    "fugiat",
+    "sit",
+    "inventore",
+    "beatae",
+    "repellendus",
+    "magnam",
+    "recusandae",
+    "quod",
+    "explicabo",
+    "doloremque",
+    "aperiam",
+    "consequatur",
+    "asperiores",
+    "commodi",
+    "optio",
+    "dolor",
+    "labore",
+    "temporibus",
+    "repellat",
+    "veniam",
+    "architecto",
+    "est",
+    "esse",
+    "mollitia",
+    "nulla",
+    "a",
+    "similique",
+    "eos",
+    "alias",
+    "dolore",
+    "tenetur",
+    "deleniti",
+    "porro",
+    "facere",
+    "maxime",
+    "corrupti",
+)
+
+COMMON_WORDS = (
+    "lorem",
+    "ipsum",
+    "dolor",
+    "sit",
+    "amet",
+    "consectetur",
+    "adipisicing",
+    "elit",
+    "sed",
+    "do",
+    "eiusmod",
+    "tempor",
+    "incididunt",
+    "ut",
+    "labore",
+    "et",
+    "dolore",
+    "magna",
+    "aliqua",
+)
+
+
+def sentence():
+    """
+    Return a randomly generated sentence of lorem ipsum text.
+
+    The first word is capitalized, and the sentence ends in either a period or
+    question mark. Commas are added at random.
+    """
+    # Determine the number of comma-separated sections and number of words in
+    # each section for this sentence.
+    sections = [
+        " ".join(random.sample(WORDS, random.randint(3, 12)))
+        for i in range(random.randint(1, 5))
+    ]
+    s = ", ".join(sections)
+    # Convert to sentence case and add end punctuation.
+    return "%s%s%s" % (s[0].upper(), s[1:], random.choice("?."))
+
+
+def paragraph():
+    """
+    Return a randomly generated paragraph of lorem ipsum text.
+
+    The paragraph consists of between 1 and 4 sentences, inclusive.
+    """
+    return " ".join(sentence() for i in range(random.randint(1, 4)))
+
+
+def paragraphs(count, common=True):
+    """
+    Return a list of paragraphs as returned by paragraph().
+
+    If `common` is True, then the first paragraph will be the standard
+    'lorem ipsum' paragraph. Otherwise, the first paragraph will be random
+    Latin text. Either way, subsequent paragraphs will be random Latin text.
+    """
+    paras = []
+    for i in range(count):
+        if common and i == 0:
+            paras.append(COMMON_P)
+        else:
+            paras.append(paragraph())
+    return paras
+
+
+def words(count, common=True):
+    """
+    Return a string of `count` lorem ipsum words separated by a single space.
+
+    If `common` is True, then the first 19 words will be the standard
+    'lorem ipsum' words. Otherwise, all words will be selected randomly.
+    """
+    word_list = list(COMMON_WORDS) if common else []
+    c = len(word_list)
+    if count > c:
+        count -= c
+        while count > 0:
+            c = min(count, len(WORDS))
+            count -= c
+            word_list += random.sample(WORDS, c)
+    else:
+        word_list = word_list[:count]
+    return " ".join(word_list)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/module_loading.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/module_loading.py
new file mode 100644
index 00000000..cb579e7f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/module_loading.py
@@ -0,0 +1,107 @@
+import copy
+import os
+import sys
+from importlib import import_module
+from importlib.util import find_spec as importlib_find
+
+
+def cached_import(module_path, class_name):
+    # Check whether module is loaded and fully initialized.
+    if not (
+        (module := sys.modules.get(module_path))
+        and (spec := getattr(module, "__spec__", None))
+        and getattr(spec, "_initializing", False) is False
+    ):
+        module = import_module(module_path)
+    return getattr(module, class_name)
+
+
+def import_string(dotted_path):
+    """
+    Import a dotted module path and return the attribute/class designated by the
+    last name in the path. Raise ImportError if the import failed.
+    """
+    try:
+        module_path, class_name = dotted_path.rsplit(".", 1)
+    except ValueError as err:
+        raise ImportError("%s doesn't look like a module path" % dotted_path) from err
+
+    try:
+        return cached_import(module_path, class_name)
+    except AttributeError as err:
+        raise ImportError(
+            'Module "%s" does not define a "%s" attribute/class'
+            % (module_path, class_name)
+        ) from err
+
+
+def autodiscover_modules(*args, **kwargs):
+    """
+    Auto-discover INSTALLED_APPS modules and fail silently when
+    not present. This forces an import on them to register any admin bits they
+    may want.
+
+    You may provide a register_to keyword parameter as a way to access a
+    registry. This register_to object must have a _registry instance variable
+    to access it.
+    """
+    from django.apps import apps
+
+    register_to = kwargs.get("register_to")
+    for app_config in apps.get_app_configs():
+        for module_to_search in args:
+            # Attempt to import the app's module.
+            try:
+                if register_to:
+                    before_import_registry = copy.copy(register_to._registry)
+
+                import_module("%s.%s" % (app_config.name, module_to_search))
+            except Exception:
+                # Reset the registry to the state before the last import
+                # as this import will have to reoccur on the next request and
+                # this could raise NotRegistered and AlreadyRegistered
+                # exceptions (see #8245).
+                if register_to:
+                    register_to._registry = before_import_registry
+
+                # Decide whether to bubble up this error. If the app just
+                # doesn't have the module in question, we can ignore the error
+                # attempting to import it, otherwise we want it to bubble up.
+                if module_has_submodule(app_config.module, module_to_search):
+                    raise
+
+
+def module_has_submodule(package, module_name):
+    """See if 'module' is in 'package'."""
+    try:
+        package_name = package.__name__
+        package_path = package.__path__
+    except AttributeError:
+        # package isn't a package.
+        return False
+
+    full_module_name = package_name + "." + module_name
+    try:
+        return importlib_find(full_module_name, package_path) is not None
+    except ModuleNotFoundError:
+        # When module_name is an invalid dotted path, Python raises
+        # ModuleNotFoundError.
+        return False
+
+
+def module_dir(module):
+    """
+    Find the name of the directory that contains a module, if possible.
+
+    Raise ValueError otherwise, e.g. for namespace packages that are split
+    over several directories.
+    """
+    # Convert to list because __path__ may not support indexing.
+    paths = list(getattr(module, "__path__", []))
+    if len(paths) == 1:
+        return paths[0]
+    else:
+        filename = getattr(module, "__file__", None)
+        if filename is not None:
+            return os.path.dirname(filename)
+    raise ValueError("Cannot determine directory containing %s" % module)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/numberformat.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/numberformat.py
new file mode 100644
index 00000000..cf8b2d21
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/numberformat.py
@@ -0,0 +1,105 @@
+from decimal import Decimal
+
+from django.conf import settings
+from django.utils.safestring import mark_safe
+
+
+def format(
+    number,
+    decimal_sep,
+    decimal_pos=None,
+    grouping=0,
+    thousand_sep="",
+    force_grouping=False,
+    use_l10n=None,
+):
+    """
+    Get a number (as a number or string), and return it as a string,
+    using formats defined as arguments:
+
+    * decimal_sep: Decimal separator symbol (for example ".")
+    * decimal_pos: Number of decimal positions
+    * grouping: Number of digits in every group limited by thousand separator.
+        For non-uniform digit grouping, it can be a sequence with the number
+        of digit group sizes following the format used by the Python locale
+        module in locale.localeconv() LC_NUMERIC grouping (e.g. (3, 2, 0)).
+    * thousand_sep: Thousand separator symbol (for example ",")
+    """
+    if number is None or number == "":
+        return mark_safe(number)
+    if use_l10n is None:
+        use_l10n = True
+    use_grouping = use_l10n and settings.USE_THOUSAND_SEPARATOR
+    use_grouping = use_grouping or force_grouping
+    use_grouping = use_grouping and grouping != 0
+    # Make the common case fast
+    if isinstance(number, int) and not use_grouping and not decimal_pos:
+        return mark_safe(number)
+    # sign
+    sign = ""
+    # Treat potentially very large/small floats as Decimals.
+    if isinstance(number, float) and "e" in str(number).lower():
+        number = Decimal(str(number))
+    if isinstance(number, Decimal):
+        if decimal_pos is not None:
+            # If the provided number is too small to affect any of the visible
+            # decimal places, consider it equal to '0'.
+            cutoff = Decimal("0." + "1".rjust(decimal_pos, "0"))
+            if abs(number) < cutoff:
+                number = Decimal("0")
+
+        # Format values with more than 200 digits (an arbitrary cutoff) using
+        # scientific notation to avoid high memory usage in {:f}'.format().
+        _, digits, exponent = number.as_tuple()
+        if abs(exponent) + len(digits) > 200:
+            number = "{:e}".format(number)
+            coefficient, exponent = number.split("e")
+            # Format the coefficient.
+            coefficient = format(
+                coefficient,
+                decimal_sep,
+                decimal_pos,
+                grouping,
+                thousand_sep,
+                force_grouping,
+                use_l10n,
+            )
+            return "{}e{}".format(coefficient, exponent)
+        else:
+            str_number = "{:f}".format(number)
+    else:
+        str_number = str(number)
+    if str_number[0] == "-":
+        sign = "-"
+        str_number = str_number[1:]
+    # decimal part
+    if "." in str_number:
+        int_part, dec_part = str_number.split(".")
+        if decimal_pos is not None:
+            dec_part = dec_part[:decimal_pos]
+    else:
+        int_part, dec_part = str_number, ""
+    if decimal_pos is not None:
+        dec_part += "0" * (decimal_pos - len(dec_part))
+    dec_part = dec_part and decimal_sep + dec_part
+    # grouping
+    if use_grouping:
+        try:
+            # if grouping is a sequence
+            intervals = list(grouping)
+        except TypeError:
+            # grouping is a single value
+            intervals = [grouping, 0]
+        active_interval = intervals.pop(0)
+        int_part_gd = ""
+        cnt = 0
+        for digit in int_part[::-1]:
+            if cnt and cnt == active_interval:
+                if intervals:
+                    active_interval = intervals.pop(0) or active_interval
+                int_part_gd += thousand_sep[::-1]
+                cnt = 0
+            int_part_gd += digit
+            cnt += 1
+        int_part = int_part_gd[::-1]
+    return sign + int_part + dec_part
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/regex_helper.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/regex_helper.py
new file mode 100644
index 00000000..b71298e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/regex_helper.py
@@ -0,0 +1,354 @@
+"""
+Functions for reversing a regular expression (used in reverse URL resolving).
+Used internally by Django and not intended for external use.
+
+This is not, and is not intended to be, a complete reg-exp decompiler. It
+should be good enough for a large class of URLS, however.
+"""
+
+import re
+
+from django.utils.functional import SimpleLazyObject
+
+# Mapping of an escape character to a representative of that class. So, e.g.,
+# "\w" is replaced by "x" in a reverse URL. A value of None means to ignore
+# this sequence. Any missing key is mapped to itself.
+ESCAPE_MAPPINGS = {
+    "A": None,
+    "b": None,
+    "B": None,
+    "d": "0",
+    "D": "x",
+    "s": " ",
+    "S": "x",
+    "w": "x",
+    "W": "!",
+    "Z": None,
+}
+
+
+class Choice(list):
+    """Represent multiple possibilities at this point in a pattern string."""
+
+
+class Group(list):
+    """Represent a capturing group in the pattern string."""
+
+
+class NonCapture(list):
+    """Represent a non-capturing group in the pattern string."""
+
+
+def normalize(pattern):
+    r"""
+    Given a reg-exp pattern, normalize it to an iterable of forms that
+    suffice for reverse matching. This does the following:
+
+    (1) For any repeating sections, keeps the minimum number of occurrences
+        permitted (this means zero for optional groups).
+    (2) If an optional group includes parameters, include one occurrence of
+        that group (along with the zero occurrence case from step (1)).
+    (3) Select the first (essentially an arbitrary) element from any character
+        class. Select an arbitrary character for any unordered class (e.g. '.'
+        or '\w') in the pattern.
+    (4) Ignore look-ahead and look-behind assertions.
+    (5) Raise an error on any disjunctive ('|') constructs.
+
+    Django's URLs for forward resolving are either all positional arguments or
+    all keyword arguments. That is assumed here, as well. Although reverse
+    resolving can be done using positional args when keyword args are
+    specified, the two cannot be mixed in the same reverse() call.
+    """
+    # Do a linear scan to work out the special features of this pattern. The
+    # idea is that we scan once here and collect all the information we need to
+    # make future decisions.
+    result = []
+    non_capturing_groups = []
+    consume_next = True
+    pattern_iter = next_char(iter(pattern))
+    num_args = 0
+
+    # A "while" loop is used here because later on we need to be able to peek
+    # at the next character and possibly go around without consuming another
+    # one at the top of the loop.
+    try:
+        ch, escaped = next(pattern_iter)
+    except StopIteration:
+        return [("", [])]
+
+    try:
+        while True:
+            if escaped:
+                result.append(ch)
+            elif ch == ".":
+                # Replace "any character" with an arbitrary representative.
+                result.append(".")
+            elif ch == "|":
+                # FIXME: One day we'll should do this, but not in 1.0.
+                raise NotImplementedError("Awaiting Implementation")
+            elif ch == "^":
+                pass
+            elif ch == "$":
+                break
+            elif ch == ")":
+                # This can only be the end of a non-capturing group, since all
+                # other unescaped parentheses are handled by the grouping
+                # section later (and the full group is handled there).
+                #
+                # We regroup everything inside the capturing group so that it
+                # can be quantified, if necessary.
+                start = non_capturing_groups.pop()
+                inner = NonCapture(result[start:])
+                result = result[:start] + [inner]
+            elif ch == "[":
+                # Replace ranges with the first character in the range.
+                ch, escaped = next(pattern_iter)
+                result.append(ch)
+                ch, escaped = next(pattern_iter)
+                while escaped or ch != "]":
+                    ch, escaped = next(pattern_iter)
+            elif ch == "(":
+                # Some kind of group.
+                ch, escaped = next(pattern_iter)
+                if ch != "?" or escaped:
+                    # A positional group
+                    name = "_%d" % num_args
+                    num_args += 1
+                    result.append(Group((("%%(%s)s" % name), name)))
+                    walk_to_end(ch, pattern_iter)
+                else:
+                    ch, escaped = next(pattern_iter)
+                    if ch in "!=<":
+                        # All of these are ignorable. Walk to the end of the
+                        # group.
+                        walk_to_end(ch, pattern_iter)
+                    elif ch == ":":
+                        # Non-capturing group
+                        non_capturing_groups.append(len(result))
+                    elif ch != "P":
+                        # Anything else, other than a named group, is something
+                        # we cannot reverse.
+                        raise ValueError("Non-reversible reg-exp portion: '(?%s'" % ch)
+                    else:
+                        ch, escaped = next(pattern_iter)
+                        if ch not in ("<", "="):
+                            raise ValueError(
+                                "Non-reversible reg-exp portion: '(?P%s'" % ch
+                            )
+                        # We are in a named capturing group. Extra the name and
+                        # then skip to the end.
+                        if ch == "<":
+                            terminal_char = ">"
+                        # We are in a named backreference.
+                        else:
+                            terminal_char = ")"
+                        name = []
+                        ch, escaped = next(pattern_iter)
+                        while ch != terminal_char:
+                            name.append(ch)
+                            ch, escaped = next(pattern_iter)
+                        param = "".join(name)
+                        # Named backreferences have already consumed the
+                        # parenthesis.
+                        if terminal_char != ")":
+                            result.append(Group((("%%(%s)s" % param), param)))
+                            walk_to_end(ch, pattern_iter)
+                        else:
+                            result.append(Group((("%%(%s)s" % param), None)))
+            elif ch in "*?+{":
+                # Quantifiers affect the previous item in the result list.
+                count, ch = get_quantifier(ch, pattern_iter)
+                if ch:
+                    # We had to look ahead, but it wasn't need to compute the
+                    # quantifier, so use this character next time around the
+                    # main loop.
+                    consume_next = False
+
+                if count == 0:
+                    if contains(result[-1], Group):
+                        # If we are quantifying a capturing group (or
+                        # something containing such a group) and the minimum is
+                        # zero, we must also handle the case of one occurrence
+                        # being present. All the quantifiers (except {0,0},
+                        # which we conveniently ignore) that have a 0 minimum
+                        # also allow a single occurrence.
+                        result[-1] = Choice([None, result[-1]])
+                    else:
+                        result.pop()
+                elif count > 1:
+                    result.extend([result[-1]] * (count - 1))
+            else:
+                # Anything else is a literal.
+                result.append(ch)
+
+            if consume_next:
+                ch, escaped = next(pattern_iter)
+            consume_next = True
+    except StopIteration:
+        pass
+    except NotImplementedError:
+        # A case of using the disjunctive form. No results for you!
+        return [("", [])]
+
+    return list(zip(*flatten_result(result)))
+
+
+def next_char(input_iter):
+    r"""
+    An iterator that yields the next character from "pattern_iter", respecting
+    escape sequences. An escaped character is replaced by a representative of
+    its class (e.g. \w -> "x"). If the escaped character is one that is
+    skipped, it is not returned (the next character is returned instead).
+
+    Yield the next character, along with a boolean indicating whether it is a
+    raw (unescaped) character or not.
+    """
+    for ch in input_iter:
+        if ch != "\\":
+            yield ch, False
+            continue
+        ch = next(input_iter)
+        representative = ESCAPE_MAPPINGS.get(ch, ch)
+        if representative is None:
+            continue
+        yield representative, True
+
+
+def walk_to_end(ch, input_iter):
+    """
+    The iterator is currently inside a capturing group. Walk to the close of
+    this group, skipping over any nested groups and handling escaped
+    parentheses correctly.
+    """
+    if ch == "(":
+        nesting = 1
+    else:
+        nesting = 0
+    for ch, escaped in input_iter:
+        if escaped:
+            continue
+        elif ch == "(":
+            nesting += 1
+        elif ch == ")":
+            if not nesting:
+                return
+            nesting -= 1
+
+
+def get_quantifier(ch, input_iter):
+    """
+    Parse a quantifier from the input, where "ch" is the first character in the
+    quantifier.
+
+    Return the minimum number of occurrences permitted by the quantifier and
+    either None or the next character from the input_iter if the next character
+    is not part of the quantifier.
+    """
+    if ch in "*?+":
+        try:
+            ch2, escaped = next(input_iter)
+        except StopIteration:
+            ch2 = None
+        if ch2 == "?":
+            ch2 = None
+        if ch == "+":
+            return 1, ch2
+        return 0, ch2
+
+    quant = []
+    while ch != "}":
+        ch, escaped = next(input_iter)
+        quant.append(ch)
+    quant = quant[:-1]
+    values = "".join(quant).split(",")
+
+    # Consume the trailing '?', if necessary.
+    try:
+        ch, escaped = next(input_iter)
+    except StopIteration:
+        ch = None
+    if ch == "?":
+        ch = None
+    return int(values[0]), ch
+
+
+def contains(source, inst):
+    """
+    Return True if the "source" contains an instance of "inst". False,
+    otherwise.
+    """
+    if isinstance(source, inst):
+        return True
+    if isinstance(source, NonCapture):
+        for elt in source:
+            if contains(elt, inst):
+                return True
+    return False
+
+
+def flatten_result(source):
+    """
+    Turn the given source sequence into a list of reg-exp possibilities and
+    their arguments. Return a list of strings and a list of argument lists.
+    Each of the two lists will be of the same length.
+    """
+    if source is None:
+        return [""], [[]]
+    if isinstance(source, Group):
+        if source[1] is None:
+            params = []
+        else:
+            params = [source[1]]
+        return [source[0]], [params]
+    result = [""]
+    result_args = [[]]
+    pos = last = 0
+    for pos, elt in enumerate(source):
+        if isinstance(elt, str):
+            continue
+        piece = "".join(source[last:pos])
+        if isinstance(elt, Group):
+            piece += elt[0]
+            param = elt[1]
+        else:
+            param = None
+        last = pos + 1
+        for i in range(len(result)):
+            result[i] += piece
+            if param:
+                result_args[i].append(param)
+        if isinstance(elt, (Choice, NonCapture)):
+            if isinstance(elt, NonCapture):
+                elt = [elt]
+            inner_result, inner_args = [], []
+            for item in elt:
+                res, args = flatten_result(item)
+                inner_result.extend(res)
+                inner_args.extend(args)
+            new_result = []
+            new_args = []
+            for item, args in zip(result, result_args):
+                for i_item, i_args in zip(inner_result, inner_args):
+                    new_result.append(item + i_item)
+                    new_args.append(args[:] + i_args)
+            result = new_result
+            result_args = new_args
+    if pos >= last:
+        piece = "".join(source[last:])
+        for i in range(len(result)):
+            result[i] += piece
+    return result, result_args
+
+
+def _lazy_re_compile(regex, flags=0):
+    """Lazily compile a regex with flags."""
+
+    def _compile():
+        # Compile the regex if it was not passed pre-compiled.
+        if isinstance(regex, (str, bytes)):
+            return re.compile(regex, flags)
+        else:
+            assert not flags, "flags must be empty if regex is passed pre-compiled"
+            return regex
+
+    return SimpleLazyObject(_compile)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/safestring.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/safestring.py
new file mode 100644
index 00000000..4eb0207a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/safestring.py
@@ -0,0 +1,72 @@
+"""
+Functions for working with "safe strings": strings that can be displayed safely
+without further escaping in HTML. Marking something as a "safe string" means
+that the producer of the string has already turned characters that should not
+be interpreted by the HTML engine (e.g. '<') into the appropriate entities.
+"""
+
+from functools import wraps
+
+from django.utils.functional import keep_lazy
+
+
+class SafeData:
+    __slots__ = ()
+
+    def __html__(self):
+        """
+        Return the html representation of a string for interoperability.
+
+        This allows other template engines to understand Django's SafeData.
+        """
+        return self
+
+
+class SafeString(str, SafeData):
+    """
+    A str subclass that has been specifically marked as "safe" for HTML output
+    purposes.
+    """
+
+    __slots__ = ()
+
+    def __add__(self, rhs):
+        """
+        Concatenating a safe string with another safe bytestring or
+        safe string is safe. Otherwise, the result is no longer safe.
+        """
+        t = super().__add__(rhs)
+        if isinstance(rhs, SafeData):
+            return SafeString(t)
+        return t
+
+    def __str__(self):
+        return self
+
+
+SafeText = SafeString  # For backwards compatibility since Django 2.0.
+
+
+def _safety_decorator(safety_marker, func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        return safety_marker(func(*args, **kwargs))
+
+    return wrapper
+
+
+@keep_lazy(SafeString)
+def mark_safe(s):
+    """
+    Explicitly mark a string as safe for (HTML) output purposes. The returned
+    object can be used everywhere a string is appropriate.
+
+    If used on a method as a decorator, mark the returned data as safe.
+
+    Can be called multiple times on a single string.
+    """
+    if hasattr(s, "__html__"):
+        return s
+    if callable(s):
+        return _safety_decorator(mark_safe, s)
+    return SafeString(s)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/termcolors.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/termcolors.py
new file mode 100644
index 00000000..3d1eee6e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/termcolors.py
@@ -0,0 +1,221 @@
+"""
+termcolors.py
+"""
+
+color_names = ("black", "red", "green", "yellow", "blue", "magenta", "cyan", "white")
+foreground = {color_names[x]: "3%s" % x for x in range(8)}
+background = {color_names[x]: "4%s" % x for x in range(8)}
+
+RESET = "0"
+opt_dict = {
+    "bold": "1",
+    "underscore": "4",
+    "blink": "5",
+    "reverse": "7",
+    "conceal": "8",
+}
+
+
+def colorize(text="", opts=(), **kwargs):
+    """
+    Return your text, enclosed in ANSI graphics codes.
+
+    Depends on the keyword arguments 'fg' and 'bg', and the contents of
+    the opts tuple/list.
+
+    Return the RESET code if no parameters are given.
+
+    Valid colors:
+        'black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan', 'white'
+
+    Valid options:
+        'bold'
+        'underscore'
+        'blink'
+        'reverse'
+        'conceal'
+        'noreset' - string will not be auto-terminated with the RESET code
+
+    Examples:
+        colorize('hello', fg='red', bg='blue', opts=('blink',))
+        colorize()
+        colorize('goodbye', opts=('underscore',))
+        print(colorize('first line', fg='red', opts=('noreset',)))
+        print('this should be red too')
+        print(colorize('and so should this'))
+        print('this should not be red')
+    """
+    code_list = []
+    if text == "" and len(opts) == 1 and opts[0] == "reset":
+        return "\x1b[%sm" % RESET
+    for k, v in kwargs.items():
+        if k == "fg":
+            code_list.append(foreground[v])
+        elif k == "bg":
+            code_list.append(background[v])
+    for o in opts:
+        if o in opt_dict:
+            code_list.append(opt_dict[o])
+    if "noreset" not in opts:
+        text = "%s\x1b[%sm" % (text or "", RESET)
+    return "%s%s" % (("\x1b[%sm" % ";".join(code_list)), text or "")
+
+
+def make_style(opts=(), **kwargs):
+    """
+    Return a function with default parameters for colorize()
+
+    Example:
+        bold_red = make_style(opts=('bold',), fg='red')
+        print(bold_red('hello'))
+        KEYWORD = make_style(fg='yellow')
+        COMMENT = make_style(fg='blue', opts=('bold',))
+    """
+    return lambda text: colorize(text, opts, **kwargs)
+
+
+NOCOLOR_PALETTE = "nocolor"
+DARK_PALETTE = "dark"
+LIGHT_PALETTE = "light"
+
+PALETTES = {
+    NOCOLOR_PALETTE: {
+        "ERROR": {},
+        "SUCCESS": {},
+        "WARNING": {},
+        "NOTICE": {},
+        "SQL_FIELD": {},
+        "SQL_COLTYPE": {},
+        "SQL_KEYWORD": {},
+        "SQL_TABLE": {},
+        "HTTP_INFO": {},
+        "HTTP_SUCCESS": {},
+        "HTTP_REDIRECT": {},
+        "HTTP_NOT_MODIFIED": {},
+        "HTTP_BAD_REQUEST": {},
+        "HTTP_NOT_FOUND": {},
+        "HTTP_SERVER_ERROR": {},
+        "MIGRATE_HEADING": {},
+        "MIGRATE_LABEL": {},
+    },
+    DARK_PALETTE: {
+        "ERROR": {"fg": "red", "opts": ("bold",)},
+        "SUCCESS": {"fg": "green", "opts": ("bold",)},
+        "WARNING": {"fg": "yellow", "opts": ("bold",)},
+        "NOTICE": {"fg": "red"},
+        "SQL_FIELD": {"fg": "green", "opts": ("bold",)},
+        "SQL_COLTYPE": {"fg": "green"},
+        "SQL_KEYWORD": {"fg": "yellow"},
+        "SQL_TABLE": {"opts": ("bold",)},
+        "HTTP_INFO": {"opts": ("bold",)},
+        "HTTP_SUCCESS": {},
+        "HTTP_REDIRECT": {"fg": "green"},
+        "HTTP_NOT_MODIFIED": {"fg": "cyan"},
+        "HTTP_BAD_REQUEST": {"fg": "red", "opts": ("bold",)},
+        "HTTP_NOT_FOUND": {"fg": "yellow"},
+        "HTTP_SERVER_ERROR": {"fg": "magenta", "opts": ("bold",)},
+        "MIGRATE_HEADING": {"fg": "cyan", "opts": ("bold",)},
+        "MIGRATE_LABEL": {"opts": ("bold",)},
+    },
+    LIGHT_PALETTE: {
+        "ERROR": {"fg": "red", "opts": ("bold",)},
+        "SUCCESS": {"fg": "green", "opts": ("bold",)},
+        "WARNING": {"fg": "yellow", "opts": ("bold",)},
+        "NOTICE": {"fg": "red"},
+        "SQL_FIELD": {"fg": "green", "opts": ("bold",)},
+        "SQL_COLTYPE": {"fg": "green"},
+        "SQL_KEYWORD": {"fg": "blue"},
+        "SQL_TABLE": {"opts": ("bold",)},
+        "HTTP_INFO": {"opts": ("bold",)},
+        "HTTP_SUCCESS": {},
+        "HTTP_REDIRECT": {"fg": "green", "opts": ("bold",)},
+        "HTTP_NOT_MODIFIED": {"fg": "green"},
+        "HTTP_BAD_REQUEST": {"fg": "red", "opts": ("bold",)},
+        "HTTP_NOT_FOUND": {"fg": "red"},
+        "HTTP_SERVER_ERROR": {"fg": "magenta", "opts": ("bold",)},
+        "MIGRATE_HEADING": {"fg": "cyan", "opts": ("bold",)},
+        "MIGRATE_LABEL": {"opts": ("bold",)},
+    },
+}
+DEFAULT_PALETTE = DARK_PALETTE
+
+
+def parse_color_setting(config_string):
+    """Parse a DJANGO_COLORS environment variable to produce the system palette
+
+    The general form of a palette definition is:
+
+        "palette;role=fg;role=fg/bg;role=fg,option,option;role=fg/bg,option,option"
+
+    where:
+        palette is a named palette; one of 'light', 'dark', or 'nocolor'.
+        role is a named style used by Django
+        fg is a foreground color.
+        bg is a background color.
+        option is a display options.
+
+    Specifying a named palette is the same as manually specifying the individual
+    definitions for each role. Any individual definitions following the palette
+    definition will augment the base palette definition.
+
+    Valid roles:
+        'error', 'success', 'warning', 'notice', 'sql_field', 'sql_coltype',
+        'sql_keyword', 'sql_table', 'http_info', 'http_success',
+        'http_redirect', 'http_not_modified', 'http_bad_request',
+        'http_not_found', 'http_server_error', 'migrate_heading',
+        'migrate_label'
+
+    Valid colors:
+        'black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan', 'white'
+
+    Valid options:
+        'bold', 'underscore', 'blink', 'reverse', 'conceal', 'noreset'
+    """
+    if not config_string:
+        return PALETTES[DEFAULT_PALETTE]
+
+    # Split the color configuration into parts
+    parts = config_string.lower().split(";")
+    palette = PALETTES[NOCOLOR_PALETTE].copy()
+    for part in parts:
+        if part in PALETTES:
+            # A default palette has been specified
+            palette.update(PALETTES[part])
+        elif "=" in part:
+            # Process a palette defining string
+            definition = {}
+
+            # Break the definition into the role,
+            # plus the list of specific instructions.
+            # The role must be in upper case
+            role, instructions = part.split("=")
+            role = role.upper()
+
+            styles = instructions.split(",")
+            styles.reverse()
+
+            # The first instruction can contain a slash
+            # to break apart fg/bg.
+            colors = styles.pop().split("/")
+            colors.reverse()
+            fg = colors.pop()
+            if fg in color_names:
+                definition["fg"] = fg
+            if colors and colors[-1] in color_names:
+                definition["bg"] = colors[-1]
+
+            # All remaining instructions are options
+            opts = tuple(s for s in styles if s in opt_dict)
+            if opts:
+                definition["opts"] = opts
+
+            # The nocolor palette has all available roles.
+            # Use that palette as the basis for determining
+            # if the role is valid.
+            if role in PALETTES[NOCOLOR_PALETTE] and definition:
+                palette[role] = definition
+
+    # If there are no colors specified, return the empty palette.
+    if palette == PALETTES[NOCOLOR_PALETTE]:
+        return None
+    return palette
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/text.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/text.py
new file mode 100644
index 00000000..d992f80d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/text.py
@@ -0,0 +1,524 @@
+import gzip
+import re
+import secrets
+import unicodedata
+from gzip import GzipFile
+from gzip import compress as gzip_compress
+from io import BytesIO
+
+from django.core.exceptions import SuspiciousFileOperation
+from django.utils.functional import SimpleLazyObject, keep_lazy_text, lazy
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.translation import gettext as _
+from django.utils.translation import gettext_lazy, pgettext
+
+
+@keep_lazy_text
+def capfirst(x):
+    """Capitalize the first letter of a string."""
+    if not x:
+        return x
+    if not isinstance(x, str):
+        x = str(x)
+    return x[0].upper() + x[1:]
+
+
+# ----- Begin security-related performance workaround -----
+
+# We used to have, below
+#
+# re_words = _lazy_re_compile(r"<[^>]+?>|([^<>\s]+)", re.S)
+#
+# But it was shown that this regex, in the way we use it here, has some
+# catastrophic edge-case performance features. Namely, when it is applied to
+# text with only open brackets "<<<...". The class below provides the services
+# and correct answers for the use cases, but in these edge cases does it much
+# faster.
+re_notag = _lazy_re_compile(r"([^<>\s]+)", re.S)
+re_prt = _lazy_re_compile(r"<|([^<>\s]+)", re.S)
+
+
+class WordsRegex:
+    @staticmethod
+    def search(text, pos):
+        # Look for "<" or a non-tag word.
+        partial = re_prt.search(text, pos)
+        if partial is None or partial[1] is not None:
+            return partial
+
+        # "<" was found, look for a closing ">".
+        end = text.find(">", partial.end(0))
+        if end < 0:
+            # ">" cannot be found, look for a word.
+            return re_notag.search(text, pos + 1)
+        else:
+            # "<" followed by a ">" was found -- fake a match.
+            end += 1
+            return FakeMatch(text[partial.start(0) : end], end)
+
+
+class FakeMatch:
+    __slots__ = ["_text", "_end"]
+
+    def end(self, group=0):
+        assert group == 0, "This specific object takes only group=0"
+        return self._end
+
+    def __getitem__(self, group):
+        if group == 1:
+            return None
+        assert group == 0, "This specific object takes only group in {0,1}"
+        return self._text
+
+    def __init__(self, text, end):
+        self._text, self._end = text, end
+
+
+# ----- End security-related performance workaround -----
+
+# Set up regular expressions.
+re_words = WordsRegex
+re_chars = _lazy_re_compile(r"<[^>]+?>|(.)", re.S)
+re_tag = _lazy_re_compile(r"<(/)?(\S+?)(?:(\s*/)|\s.*?)?>", re.S)
+re_newlines = _lazy_re_compile(r"\r\n|\r")  # Used in normalize_newlines
+re_camel_case = _lazy_re_compile(r"(((?<=[a-z])[A-Z])|([A-Z](?![A-Z]|$)))")
+
+
+@keep_lazy_text
+def wrap(text, width):
+    """
+    A word-wrap function that preserves existing line breaks. Expects that
+    existing line breaks are posix newlines.
+
+    Preserve all white space except added line breaks consume the space on
+    which they break the line.
+
+    Don't wrap long words, thus the output text may have lines longer than
+    ``width``.
+    """
+
+    def _generator():
+        for line in text.splitlines(True):  # True keeps trailing linebreaks
+            max_width = min((line.endswith("\n") and width + 1 or width), width)
+            while len(line) > max_width:
+                space = line[: max_width + 1].rfind(" ") + 1
+                if space == 0:
+                    space = line.find(" ") + 1
+                    if space == 0:
+                        yield line
+                        line = ""
+                        break
+                yield "%s\n" % line[: space - 1]
+                line = line[space:]
+                max_width = min((line.endswith("\n") and width + 1 or width), width)
+            if line:
+                yield line
+
+    return "".join(_generator())
+
+
+def add_truncation_text(text, truncate=None):
+    if truncate is None:
+        truncate = pgettext(
+            "String to return when truncating text", "%(truncated_text)s…"
+        )
+    if "%(truncated_text)s" in truncate:
+        return truncate % {"truncated_text": text}
+    # The truncation text didn't contain the %(truncated_text)s string
+    # replacement argument so just append it to the text.
+    if text.endswith(truncate):
+        # But don't append the truncation text if the current text already ends
+        # in this.
+        return text
+    return f"{text}{truncate}"
+
+
+class Truncator(SimpleLazyObject):
+    """
+    An object used to truncate text, either by characters or words.
+
+    When truncating HTML text (either chars or words), input will be limited to
+    at most `MAX_LENGTH_HTML` characters.
+    """
+
+    # 5 million characters are approximately 4000 text pages or 3 web pages.
+    MAX_LENGTH_HTML = 5_000_000
+
+    def __init__(self, text):
+        super().__init__(lambda: str(text))
+
+    def chars(self, num, truncate=None, html=False):
+        """
+        Return the text truncated to be no longer than the specified number
+        of characters.
+
+        `truncate` specifies what should be used to notify that the string has
+        been truncated, defaulting to a translatable string of an ellipsis.
+        """
+        self._setup()
+        length = int(num)
+        text = unicodedata.normalize("NFC", self._wrapped)
+
+        # Calculate the length to truncate to (max length - end_text length)
+        truncate_len = length
+        for char in add_truncation_text("", truncate):
+            if not unicodedata.combining(char):
+                truncate_len -= 1
+                if truncate_len == 0:
+                    break
+        if html:
+            return self._truncate_html(length, truncate, text, truncate_len, False)
+        return self._text_chars(length, truncate, text, truncate_len)
+
+    def _text_chars(self, length, truncate, text, truncate_len):
+        """Truncate a string after a certain number of chars."""
+        s_len = 0
+        end_index = None
+        for i, char in enumerate(text):
+            if unicodedata.combining(char):
+                # Don't consider combining characters
+                # as adding to the string length
+                continue
+            s_len += 1
+            if end_index is None and s_len > truncate_len:
+                end_index = i
+            if s_len > length:
+                # Return the truncated string
+                return add_truncation_text(text[: end_index or 0], truncate)
+
+        # Return the original string since no truncation was necessary
+        return text
+
+    def words(self, num, truncate=None, html=False):
+        """
+        Truncate a string after a certain number of words. `truncate` specifies
+        what should be used to notify that the string has been truncated,
+        defaulting to ellipsis.
+        """
+        self._setup()
+        length = int(num)
+        if html:
+            return self._truncate_html(length, truncate, self._wrapped, length, True)
+        return self._text_words(length, truncate)
+
+    def _text_words(self, length, truncate):
+        """
+        Truncate a string after a certain number of words.
+
+        Strip newlines in the string.
+        """
+        words = self._wrapped.split()
+        if len(words) > length:
+            words = words[:length]
+            return add_truncation_text(" ".join(words), truncate)
+        return " ".join(words)
+
+    def _truncate_html(self, length, truncate, text, truncate_len, words):
+        """
+        Truncate HTML to a certain number of chars (not counting tags and
+        comments), or, if words is True, then to a certain number of words.
+        Close opened tags if they were correctly closed in the given HTML.
+
+        Preserve newlines in the HTML.
+        """
+        if words and length <= 0:
+            return ""
+
+        size_limited = False
+        if len(text) > self.MAX_LENGTH_HTML:
+            text = text[: self.MAX_LENGTH_HTML]
+            size_limited = True
+
+        html4_singlets = (
+            "br",
+            "col",
+            "link",
+            "base",
+            "img",
+            "param",
+            "area",
+            "hr",
+            "input",
+        )
+
+        # Count non-HTML chars/words and keep note of open tags
+        pos = 0
+        end_text_pos = 0
+        current_len = 0
+        open_tags = []
+
+        regex = re_words if words else re_chars
+
+        while current_len <= length:
+            m = regex.search(text, pos)
+            if not m:
+                # Checked through whole string
+                break
+            pos = m.end(0)
+            if m[1]:
+                # It's an actual non-HTML word or char
+                current_len += 1
+                if current_len == truncate_len:
+                    end_text_pos = pos
+                continue
+            # Check for tag
+            tag = re_tag.match(m[0])
+            if not tag or current_len >= truncate_len:
+                # Don't worry about non tags or tags after our truncate point
+                continue
+            closing_tag, tagname, self_closing = tag.groups()
+            # Element names are always case-insensitive
+            tagname = tagname.lower()
+            if self_closing or tagname in html4_singlets:
+                pass
+            elif closing_tag:
+                # Check for match in open tags list
+                try:
+                    i = open_tags.index(tagname)
+                except ValueError:
+                    pass
+                else:
+                    # SGML: An end tag closes, back to the matching start tag,
+                    # all unclosed intervening start tags with omitted end tags
+                    open_tags = open_tags[i + 1 :]
+            else:
+                # Add it to the start of the open tags list
+                open_tags.insert(0, tagname)
+
+        truncate_text = add_truncation_text("", truncate)
+
+        if current_len <= length:
+            if size_limited and truncate_text:
+                text += truncate_text
+            return text
+
+        out = text[:end_text_pos]
+        if truncate_text:
+            out += truncate_text
+        # Close any tags still open
+        for tag in open_tags:
+            out += "</%s>" % tag
+        # Return string
+        return out
+
+
+@keep_lazy_text
+def get_valid_filename(name):
+    """
+    Return the given string converted to a string that can be used for a clean
+    filename. Remove leading and trailing spaces; convert other spaces to
+    underscores; and remove anything that is not an alphanumeric, dash,
+    underscore, or dot.
+    >>> get_valid_filename("john's portrait in 2004.jpg")
+    'johns_portrait_in_2004.jpg'
+    """
+    s = str(name).strip().replace(" ", "_")
+    s = re.sub(r"(?u)[^-\w.]", "", s)
+    if s in {"", ".", ".."}:
+        raise SuspiciousFileOperation("Could not derive file name from '%s'" % name)
+    return s
+
+
+@keep_lazy_text
+def get_text_list(list_, last_word=gettext_lazy("or")):
+    """
+    >>> get_text_list(['a', 'b', 'c', 'd'])
+    'a, b, c or d'
+    >>> get_text_list(['a', 'b', 'c'], 'and')
+    'a, b and c'
+    >>> get_text_list(['a', 'b'], 'and')
+    'a and b'
+    >>> get_text_list(['a'])
+    'a'
+    >>> get_text_list([])
+    ''
+    """
+    if not list_:
+        return ""
+    if len(list_) == 1:
+        return str(list_[0])
+    return "%s %s %s" % (
+        # Translators: This string is used as a separator between list elements
+        _(", ").join(str(i) for i in list_[:-1]),
+        str(last_word),
+        str(list_[-1]),
+    )
+
+
+@keep_lazy_text
+def normalize_newlines(text):
+    """Normalize CRLF and CR newlines to just LF."""
+    return re_newlines.sub("\n", str(text))
+
+
+@keep_lazy_text
+def phone2numeric(phone):
+    """Convert a phone number with letters into its numeric equivalent."""
+    char2number = {
+        "a": "2",
+        "b": "2",
+        "c": "2",
+        "d": "3",
+        "e": "3",
+        "f": "3",
+        "g": "4",
+        "h": "4",
+        "i": "4",
+        "j": "5",
+        "k": "5",
+        "l": "5",
+        "m": "6",
+        "n": "6",
+        "o": "6",
+        "p": "7",
+        "q": "7",
+        "r": "7",
+        "s": "7",
+        "t": "8",
+        "u": "8",
+        "v": "8",
+        "w": "9",
+        "x": "9",
+        "y": "9",
+        "z": "9",
+    }
+    return "".join(char2number.get(c, c) for c in phone.lower())
+
+
+def _get_random_filename(max_random_bytes):
+    return b"a" * secrets.randbelow(max_random_bytes)
+
+
+def compress_string(s, *, max_random_bytes=None):
+    compressed_data = gzip_compress(s, compresslevel=6, mtime=0)
+
+    if not max_random_bytes:
+        return compressed_data
+
+    compressed_view = memoryview(compressed_data)
+    header = bytearray(compressed_view[:10])
+    header[3] = gzip.FNAME
+
+    filename = _get_random_filename(max_random_bytes) + b"\x00"
+
+    return bytes(header) + filename + compressed_view[10:]
+
+
+class StreamingBuffer(BytesIO):
+    def read(self):
+        ret = self.getvalue()
+        self.seek(0)
+        self.truncate()
+        return ret
+
+
+# Like compress_string, but for iterators of strings.
+def compress_sequence(sequence, *, max_random_bytes=None):
+    buf = StreamingBuffer()
+    filename = _get_random_filename(max_random_bytes) if max_random_bytes else None
+    with GzipFile(
+        filename=filename, mode="wb", compresslevel=6, fileobj=buf, mtime=0
+    ) as zfile:
+        # Output headers...
+        yield buf.read()
+        for item in sequence:
+            zfile.write(item)
+            data = buf.read()
+            if data:
+                yield data
+    yield buf.read()
+
+
+# Expression to match some_token and some_token="with spaces" (and similarly
+# for single-quoted strings).
+smart_split_re = _lazy_re_compile(
+    r"""
+    ((?:
+        [^\s'"]*
+        (?:
+            (?:"(?:[^"\\]|\\.)*" | '(?:[^'\\]|\\.)*')
+            [^\s'"]*
+        )+
+    ) | \S+)
+""",
+    re.VERBOSE,
+)
+
+
+def smart_split(text):
+    r"""
+    Generator that splits a string by spaces, leaving quoted phrases together.
+    Supports both single and double quotes, and supports escaping quotes with
+    backslashes. In the output, strings will keep their initial and trailing
+    quote marks and escaped quotes will remain escaped (the results can then
+    be further processed with unescape_string_literal()).
+
+    >>> list(smart_split(r'This is "a person\'s" test.'))
+    ['This', 'is', '"a person\\\'s"', 'test.']
+    >>> list(smart_split(r"Another 'person\'s' test."))
+    ['Another', "'person\\'s'", 'test.']
+    >>> list(smart_split(r'A "\"funky\" style" test.'))
+    ['A', '"\\"funky\\" style"', 'test.']
+    """
+    for bit in smart_split_re.finditer(str(text)):
+        yield bit[0]
+
+
+@keep_lazy_text
+def unescape_string_literal(s):
+    r"""
+    Convert quoted string literals to unquoted strings with escaped quotes and
+    backslashes unquoted::
+
+        >>> unescape_string_literal('"abc"')
+        'abc'
+        >>> unescape_string_literal("'abc'")
+        'abc'
+        >>> unescape_string_literal('"a \"bc\""')
+        'a "bc"'
+        >>> unescape_string_literal("'\'ab\' c'")
+        "'ab' c"
+    """
+    if not s or s[0] not in "\"'" or s[-1] != s[0]:
+        raise ValueError("Not a string literal: %r" % s)
+    quote = s[0]
+    return s[1:-1].replace(r"\%s" % quote, quote).replace(r"\\", "\\")
+
+
+@keep_lazy_text
+def slugify(value, allow_unicode=False):
+    """
+    Convert to ASCII if 'allow_unicode' is False. Convert spaces or repeated
+    dashes to single dashes. Remove characters that aren't alphanumerics,
+    underscores, or hyphens. Convert to lowercase. Also strip leading and
+    trailing whitespace, dashes, and underscores.
+    """
+    value = str(value)
+    if allow_unicode:
+        value = unicodedata.normalize("NFKC", value)
+    else:
+        value = (
+            unicodedata.normalize("NFKD", value)
+            .encode("ascii", "ignore")
+            .decode("ascii")
+        )
+    value = re.sub(r"[^\w\s-]", "", value.lower())
+    return re.sub(r"[-\s]+", "-", value).strip("-_")
+
+
+def camel_case_to_spaces(value):
+    """
+    Split CamelCase and convert to lowercase. Strip surrounding whitespace.
+    """
+    return re_camel_case.sub(r" \1", value).strip().lower()
+
+
+def _format_lazy(format_string, *args, **kwargs):
+    """
+    Apply str.format() on 'format_string' where format_string, args,
+    and/or kwargs might be lazy.
+    """
+    return format_string.format(*args, **kwargs)
+
+
+format_lazy = lazy(_format_lazy, str)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/timesince.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/timesince.py
new file mode 100644
index 00000000..766b6f70
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/timesince.py
@@ -0,0 +1,142 @@
+import datetime
+
+from django.utils.html import avoid_wrapping
+from django.utils.timezone import is_aware
+from django.utils.translation import gettext, ngettext_lazy
+
+TIME_STRINGS = {
+    "year": ngettext_lazy("%(num)d year", "%(num)d years", "num"),
+    "month": ngettext_lazy("%(num)d month", "%(num)d months", "num"),
+    "week": ngettext_lazy("%(num)d week", "%(num)d weeks", "num"),
+    "day": ngettext_lazy("%(num)d day", "%(num)d days", "num"),
+    "hour": ngettext_lazy("%(num)d hour", "%(num)d hours", "num"),
+    "minute": ngettext_lazy("%(num)d minute", "%(num)d minutes", "num"),
+}
+
+TIME_STRINGS_KEYS = list(TIME_STRINGS.keys())
+
+TIME_CHUNKS = [
+    60 * 60 * 24 * 7,  # week
+    60 * 60 * 24,  # day
+    60 * 60,  # hour
+    60,  # minute
+]
+
+MONTHS_DAYS = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
+
+
+def timesince(d, now=None, reversed=False, time_strings=None, depth=2):
+    """
+    Take two datetime objects and return the time between d and now as a nicely
+    formatted string, e.g. "10 minutes". If d occurs after now, return
+    "0 minutes".
+
+    Units used are years, months, weeks, days, hours, and minutes.
+    Seconds and microseconds are ignored.
+
+    The algorithm takes into account the varying duration of years and months.
+    There is exactly "1 year, 1 month" between 2013/02/10 and 2014/03/10,
+    but also between 2007/08/10 and 2008/09/10 despite the delta being 393 days
+    in the former case and 397 in the latter.
+
+    Up to `depth` adjacent units will be displayed.  For example,
+    "2 weeks, 3 days" and "1 year, 3 months" are possible outputs, but
+    "2 weeks, 3 hours" and "1 year, 5 days" are not.
+
+    `time_strings` is an optional dict of strings to replace the default
+    TIME_STRINGS dict.
+
+    `depth` is an optional integer to control the number of adjacent time
+    units returned.
+
+    Originally adapted from
+    https://web.archive.org/web/20060617175230/http://blog.natbat.co.uk/archive/2003/Jun/14/time_since
+    Modified to improve results for years and months.
+    """
+    if time_strings is None:
+        time_strings = TIME_STRINGS
+    if depth <= 0:
+        raise ValueError("depth must be greater than 0.")
+    # Convert datetime.date to datetime.datetime for comparison.
+    if not isinstance(d, datetime.datetime):
+        d = datetime.datetime(d.year, d.month, d.day)
+    if now and not isinstance(now, datetime.datetime):
+        now = datetime.datetime(now.year, now.month, now.day)
+
+    # Compared datetimes must be in the same time zone.
+    if not now:
+        now = datetime.datetime.now(d.tzinfo if is_aware(d) else None)
+    elif is_aware(now) and is_aware(d):
+        now = now.astimezone(d.tzinfo)
+
+    if reversed:
+        d, now = now, d
+    delta = now - d
+
+    # Ignore microseconds.
+    since = delta.days * 24 * 60 * 60 + delta.seconds
+    if since <= 0:
+        # d is in the future compared to now, stop processing.
+        return avoid_wrapping(time_strings["minute"] % {"num": 0})
+
+    # Get years and months.
+    total_months = (now.year - d.year) * 12 + (now.month - d.month)
+    if d.day > now.day or (d.day == now.day and d.time() > now.time()):
+        total_months -= 1
+    years, months = divmod(total_months, 12)
+
+    # Calculate the remaining time.
+    # Create a "pivot" datetime shifted from d by years and months, then use
+    # that to determine the other parts.
+    if years or months:
+        pivot_year = d.year + years
+        pivot_month = d.month + months
+        if pivot_month > 12:
+            pivot_month -= 12
+            pivot_year += 1
+        pivot = datetime.datetime(
+            pivot_year,
+            pivot_month,
+            min(MONTHS_DAYS[pivot_month - 1], d.day),
+            d.hour,
+            d.minute,
+            d.second,
+            tzinfo=d.tzinfo,
+        )
+    else:
+        pivot = d
+    remaining_time = (now - pivot).total_seconds()
+    partials = [years, months]
+    for chunk in TIME_CHUNKS:
+        count = int(remaining_time // chunk)
+        partials.append(count)
+        remaining_time -= chunk * count
+
+    # Find the first non-zero part (if any) and then build the result, until
+    # depth.
+    i = 0
+    for i, value in enumerate(partials):
+        if value != 0:
+            break
+    else:
+        return avoid_wrapping(time_strings["minute"] % {"num": 0})
+
+    result = []
+    current_depth = 0
+    while i < len(TIME_STRINGS_KEYS) and current_depth < depth:
+        value = partials[i]
+        if value == 0:
+            break
+        name = TIME_STRINGS_KEYS[i]
+        result.append(avoid_wrapping(time_strings[name] % {"num": value}))
+        current_depth += 1
+        i += 1
+
+    return gettext(", ").join(result)
+
+
+def timeuntil(d, now=None, time_strings=None, depth=2):
+    """
+    Like timesince, but return a string measuring the time until the given time.
+    """
+    return timesince(d, now, reversed=True, time_strings=time_strings, depth=depth)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/timezone.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/timezone.py
new file mode 100644
index 00000000..102562b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/timezone.py
@@ -0,0 +1,259 @@
+"""
+Timezone-related classes and functions.
+"""
+
+import functools
+import zoneinfo
+from contextlib import ContextDecorator
+from datetime import datetime, timedelta, timezone, tzinfo
+
+from asgiref.local import Local
+
+from django.conf import settings
+
+__all__ = [
+    "get_fixed_timezone",
+    "get_default_timezone",
+    "get_default_timezone_name",
+    "get_current_timezone",
+    "get_current_timezone_name",
+    "activate",
+    "deactivate",
+    "override",
+    "localtime",
+    "localdate",
+    "now",
+    "is_aware",
+    "is_naive",
+    "make_aware",
+    "make_naive",
+]
+
+
+def get_fixed_timezone(offset):
+    """Return a tzinfo instance with a fixed offset from UTC."""
+    if isinstance(offset, timedelta):
+        offset = offset.total_seconds() // 60
+    sign = "-" if offset < 0 else "+"
+    hhmm = "%02d%02d" % divmod(abs(offset), 60)
+    name = sign + hhmm
+    return timezone(timedelta(minutes=offset), name)
+
+
+# In order to avoid accessing settings at compile time,
+# wrap the logic in a function and cache the result.
+@functools.lru_cache
+def get_default_timezone():
+    """
+    Return the default time zone as a tzinfo instance.
+
+    This is the time zone defined by settings.TIME_ZONE.
+    """
+    return zoneinfo.ZoneInfo(settings.TIME_ZONE)
+
+
+# This function exists for consistency with get_current_timezone_name
+def get_default_timezone_name():
+    """Return the name of the default time zone."""
+    return _get_timezone_name(get_default_timezone())
+
+
+_active = Local()
+
+
+def get_current_timezone():
+    """Return the currently active time zone as a tzinfo instance."""
+    return getattr(_active, "value", get_default_timezone())
+
+
+def get_current_timezone_name():
+    """Return the name of the currently active time zone."""
+    return _get_timezone_name(get_current_timezone())
+
+
+def _get_timezone_name(timezone):
+    """
+    Return the offset for fixed offset timezones, or the name of timezone if
+    not set.
+    """
+    return timezone.tzname(None) or str(timezone)
+
+
+# Timezone selection functions.
+
+# These functions don't change os.environ['TZ'] and call time.tzset()
+# because it isn't thread safe.
+
+
+def activate(timezone):
+    """
+    Set the time zone for the current thread.
+
+    The ``timezone`` argument must be an instance of a tzinfo subclass or a
+    time zone name.
+    """
+    if isinstance(timezone, tzinfo):
+        _active.value = timezone
+    elif isinstance(timezone, str):
+        _active.value = zoneinfo.ZoneInfo(timezone)
+    else:
+        raise ValueError("Invalid timezone: %r" % timezone)
+
+
+def deactivate():
+    """
+    Unset the time zone for the current thread.
+
+    Django will then use the time zone defined by settings.TIME_ZONE.
+    """
+    if hasattr(_active, "value"):
+        del _active.value
+
+
+class override(ContextDecorator):
+    """
+    Temporarily set the time zone for the current thread.
+
+    This is a context manager that uses django.utils.timezone.activate()
+    to set the timezone on entry and restores the previously active timezone
+    on exit.
+
+    The ``timezone`` argument must be an instance of a ``tzinfo`` subclass, a
+    time zone name, or ``None``. If it is ``None``, Django enables the default
+    time zone.
+    """
+
+    def __init__(self, timezone):
+        self.timezone = timezone
+
+    def __enter__(self):
+        self.old_timezone = getattr(_active, "value", None)
+        if self.timezone is None:
+            deactivate()
+        else:
+            activate(self.timezone)
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        if self.old_timezone is None:
+            deactivate()
+        else:
+            _active.value = self.old_timezone
+
+
+# Templates
+
+
+def template_localtime(value, use_tz=None):
+    """
+    Check if value is a datetime and converts it to local time if necessary.
+
+    If use_tz is provided and is not None, that will force the value to
+    be converted (or not), overriding the value of settings.USE_TZ.
+
+    This function is designed for use by the template engine.
+    """
+    should_convert = (
+        isinstance(value, datetime)
+        and (settings.USE_TZ if use_tz is None else use_tz)
+        and not is_naive(value)
+        and getattr(value, "convert_to_local_time", True)
+    )
+    return localtime(value) if should_convert else value
+
+
+# Utilities
+
+
+def localtime(value=None, timezone=None):
+    """
+    Convert an aware datetime.datetime to local time.
+
+    Only aware datetimes are allowed. When value is omitted, it defaults to
+    now().
+
+    Local time is defined by the current time zone, unless another time zone
+    is specified.
+    """
+    if value is None:
+        value = now()
+    if timezone is None:
+        timezone = get_current_timezone()
+    # Emulate the behavior of astimezone() on Python < 3.6.
+    if is_naive(value):
+        raise ValueError("localtime() cannot be applied to a naive datetime")
+    return value.astimezone(timezone)
+
+
+def localdate(value=None, timezone=None):
+    """
+    Convert an aware datetime to local time and return the value's date.
+
+    Only aware datetimes are allowed. When value is omitted, it defaults to
+    now().
+
+    Local time is defined by the current time zone, unless another time zone is
+    specified.
+    """
+    return localtime(value, timezone).date()
+
+
+def now():
+    """
+    Return an aware or naive datetime.datetime, depending on settings.USE_TZ.
+    """
+    return datetime.now(tz=timezone.utc if settings.USE_TZ else None)
+
+
+# By design, these four functions don't perform any checks on their arguments.
+# The caller should ensure that they don't receive an invalid value like None.
+
+
+def is_aware(value):
+    """
+    Determine if a given datetime.datetime is aware.
+
+    The concept is defined in Python's docs:
+    https://docs.python.org/library/datetime.html#datetime.tzinfo
+
+    Assuming value.tzinfo is either None or a proper datetime.tzinfo,
+    value.utcoffset() implements the appropriate logic.
+    """
+    return value.utcoffset() is not None
+
+
+def is_naive(value):
+    """
+    Determine if a given datetime.datetime is naive.
+
+    The concept is defined in Python's docs:
+    https://docs.python.org/library/datetime.html#datetime.tzinfo
+
+    Assuming value.tzinfo is either None or a proper datetime.tzinfo,
+    value.utcoffset() implements the appropriate logic.
+    """
+    return value.utcoffset() is None
+
+
+def make_aware(value, timezone=None):
+    """Make a naive datetime.datetime in a given time zone aware."""
+    if timezone is None:
+        timezone = get_current_timezone()
+    # Check that we won't overwrite the timezone of an aware datetime.
+    if is_aware(value):
+        raise ValueError("make_aware expects a naive datetime, got %s" % value)
+    # This may be wrong around DST changes!
+    return value.replace(tzinfo=timezone)
+
+
+def make_naive(value, timezone=None):
+    """Make an aware datetime.datetime naive in a given time zone."""
+    if timezone is None:
+        timezone = get_current_timezone()
+    # Emulate the behavior of astimezone() on Python < 3.6.
+    if is_naive(value):
+        raise ValueError("make_naive() cannot be applied to a naive datetime")
+    return value.astimezone(timezone).replace(tzinfo=None)
+
+
+def _datetime_ambiguous_or_imaginary(dt, tz):
+    return tz.utcoffset(dt.replace(fold=not dt.fold)) != tz.utcoffset(dt)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/__init__.py
new file mode 100644
index 00000000..0618f021
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/__init__.py
@@ -0,0 +1,302 @@
+"""
+Internationalization support.
+"""
+
+from contextlib import ContextDecorator
+from decimal import ROUND_UP, Decimal
+
+from django.utils.autoreload import autoreload_started, file_changed
+from django.utils.functional import lazy
+from django.utils.regex_helper import _lazy_re_compile
+
+__all__ = [
+    "activate",
+    "deactivate",
+    "override",
+    "deactivate_all",
+    "get_language",
+    "get_language_from_request",
+    "get_language_info",
+    "get_language_bidi",
+    "check_for_language",
+    "to_language",
+    "to_locale",
+    "templatize",
+    "gettext",
+    "gettext_lazy",
+    "gettext_noop",
+    "ngettext",
+    "ngettext_lazy",
+    "pgettext",
+    "pgettext_lazy",
+    "npgettext",
+    "npgettext_lazy",
+]
+
+
+class TranslatorCommentWarning(SyntaxWarning):
+    pass
+
+
+# Here be dragons, so a short explanation of the logic won't hurt:
+# We are trying to solve two problems: (1) access settings, in particular
+# settings.USE_I18N, as late as possible, so that modules can be imported
+# without having to first configure Django, and (2) if some other code creates
+# a reference to one of these functions, don't break that reference when we
+# replace the functions with their real counterparts (once we do access the
+# settings).
+
+
+class Trans:
+    """
+    The purpose of this class is to store the actual translation function upon
+    receiving the first call to that function. After this is done, changes to
+    USE_I18N will have no effect to which function is served upon request. If
+    your tests rely on changing USE_I18N, you can delete all the functions
+    from _trans.__dict__.
+
+    Note that storing the function with setattr will have a noticeable
+    performance effect, as access to the function goes the normal path,
+    instead of using __getattr__.
+    """
+
+    def __getattr__(self, real_name):
+        from django.conf import settings
+
+        if settings.USE_I18N:
+            from django.utils.translation import trans_real as trans
+            from django.utils.translation.reloader import (
+                translation_file_changed,
+                watch_for_translation_changes,
+            )
+
+            autoreload_started.connect(
+                watch_for_translation_changes, dispatch_uid="translation_file_changed"
+            )
+            file_changed.connect(
+                translation_file_changed, dispatch_uid="translation_file_changed"
+            )
+        else:
+            from django.utils.translation import trans_null as trans
+        setattr(self, real_name, getattr(trans, real_name))
+        return getattr(trans, real_name)
+
+
+_trans = Trans()
+
+# The Trans class is no more needed, so remove it from the namespace.
+del Trans
+
+
+def gettext_noop(message):
+    return _trans.gettext_noop(message)
+
+
+def gettext(message):
+    return _trans.gettext(message)
+
+
+def ngettext(singular, plural, number):
+    return _trans.ngettext(singular, plural, number)
+
+
+def pgettext(context, message):
+    return _trans.pgettext(context, message)
+
+
+def npgettext(context, singular, plural, number):
+    return _trans.npgettext(context, singular, plural, number)
+
+
+gettext_lazy = lazy(gettext, str)
+pgettext_lazy = lazy(pgettext, str)
+
+
+def lazy_number(func, resultclass, number=None, **kwargs):
+    if isinstance(number, int):
+        kwargs["number"] = number
+        proxy = lazy(func, resultclass)(**kwargs)
+    else:
+        original_kwargs = kwargs.copy()
+
+        class NumberAwareString(resultclass):
+            def __bool__(self):
+                return bool(kwargs["singular"])
+
+            def _get_number_value(self, values):
+                try:
+                    return values[number]
+                except KeyError:
+                    raise KeyError(
+                        "Your dictionary lacks key '%s'. Please provide "
+                        "it, because it is required to determine whether "
+                        "string is singular or plural." % number
+                    )
+
+            def _translate(self, number_value):
+                kwargs["number"] = number_value
+                return func(**kwargs)
+
+            def format(self, *args, **kwargs):
+                number_value = (
+                    self._get_number_value(kwargs) if kwargs and number else args[0]
+                )
+                return self._translate(number_value).format(*args, **kwargs)
+
+            def __mod__(self, rhs):
+                if isinstance(rhs, dict) and number:
+                    number_value = self._get_number_value(rhs)
+                else:
+                    number_value = rhs
+                translated = self._translate(number_value)
+                try:
+                    translated %= rhs
+                except TypeError:
+                    # String doesn't contain a placeholder for the number.
+                    pass
+                return translated
+
+        proxy = lazy(lambda **kwargs: NumberAwareString(), NumberAwareString)(**kwargs)
+        proxy.__reduce__ = lambda: (
+            _lazy_number_unpickle,
+            (func, resultclass, number, original_kwargs),
+        )
+    return proxy
+
+
+def _lazy_number_unpickle(func, resultclass, number, kwargs):
+    return lazy_number(func, resultclass, number=number, **kwargs)
+
+
+def ngettext_lazy(singular, plural, number=None):
+    return lazy_number(ngettext, str, singular=singular, plural=plural, number=number)
+
+
+def npgettext_lazy(context, singular, plural, number=None):
+    return lazy_number(
+        npgettext, str, context=context, singular=singular, plural=plural, number=number
+    )
+
+
+def activate(language):
+    return _trans.activate(language)
+
+
+def deactivate():
+    return _trans.deactivate()
+
+
+class override(ContextDecorator):
+    def __init__(self, language, deactivate=False):
+        self.language = language
+        self.deactivate = deactivate
+
+    def __enter__(self):
+        self.old_language = get_language()
+        if self.language is not None:
+            activate(self.language)
+        else:
+            deactivate_all()
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        if self.old_language is None:
+            deactivate_all()
+        elif self.deactivate:
+            deactivate()
+        else:
+            activate(self.old_language)
+
+
+def get_language():
+    return _trans.get_language()
+
+
+def get_language_bidi():
+    return _trans.get_language_bidi()
+
+
+def check_for_language(lang_code):
+    return _trans.check_for_language(lang_code)
+
+
+def to_language(locale):
+    """Turn a locale name (en_US) into a language name (en-us)."""
+    p = locale.find("_")
+    if p >= 0:
+        return locale[:p].lower() + "-" + locale[p + 1 :].lower()
+    else:
+        return locale.lower()
+
+
+def to_locale(language):
+    """Turn a language name (en-us) into a locale name (en_US)."""
+    lang, _, country = language.lower().partition("-")
+    if not country:
+        return language[:3].lower() + language[3:]
+    # A language with > 2 characters after the dash only has its first
+    # character after the dash capitalized; e.g. sr-latn becomes sr_Latn.
+    # A language with 2 characters after the dash has both characters
+    # capitalized; e.g. en-us becomes en_US.
+    country, _, tail = country.partition("-")
+    country = country.title() if len(country) > 2 else country.upper()
+    if tail:
+        country += "-" + tail
+    return lang + "_" + country
+
+
+def get_language_from_request(request, check_path=False):
+    return _trans.get_language_from_request(request, check_path)
+
+
+def get_language_from_path(path):
+    return _trans.get_language_from_path(path)
+
+
+def get_supported_language_variant(lang_code, *, strict=False):
+    return _trans.get_supported_language_variant(lang_code, strict)
+
+
+def templatize(src, **kwargs):
+    from .template import templatize
+
+    return templatize(src, **kwargs)
+
+
+def deactivate_all():
+    return _trans.deactivate_all()
+
+
+def get_language_info(lang_code):
+    from django.conf.locale import LANG_INFO
+
+    try:
+        lang_info = LANG_INFO[lang_code]
+        if "fallback" in lang_info and "name" not in lang_info:
+            info = get_language_info(lang_info["fallback"][0])
+        else:
+            info = lang_info
+    except KeyError:
+        if "-" not in lang_code:
+            raise KeyError("Unknown language code %s." % lang_code)
+        generic_lang_code = lang_code.split("-")[0]
+        try:
+            info = LANG_INFO[generic_lang_code]
+        except KeyError:
+            raise KeyError(
+                "Unknown language code %s and %s." % (lang_code, generic_lang_code)
+            )
+
+    if info:
+        info["name_translated"] = gettext_lazy(info["name"])
+    return info
+
+
+trim_whitespace_re = _lazy_re_compile(r"\s*\n\s*")
+
+
+def trim_whitespace(s):
+    return trim_whitespace_re.sub(" ", s.strip())
+
+
+def round_away_from_one(value):
+    return int(Decimal(value - 1).quantize(Decimal("0"), rounding=ROUND_UP)) + 1
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/__pycache__/trans_real.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/__pycache__/trans_real.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/reloader.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/reloader.py
new file mode 100644
index 00000000..be05ccc8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/reloader.py
@@ -0,0 +1,36 @@
+from pathlib import Path
+
+from asgiref.local import Local
+
+from django.apps import apps
+from django.utils.autoreload import is_django_module
+
+
+def watch_for_translation_changes(sender, **kwargs):
+    """Register file watchers for .mo files in potential locale paths."""
+    from django.conf import settings
+
+    if settings.USE_I18N:
+        directories = [Path("locale")]
+        directories.extend(
+            Path(config.path) / "locale"
+            for config in apps.get_app_configs()
+            if not is_django_module(config.module)
+        )
+        directories.extend(Path(p) for p in settings.LOCALE_PATHS)
+        for path in directories:
+            sender.watch_dir(path, "**/*.mo")
+
+
+def translation_file_changed(sender, file_path, **kwargs):
+    """Clear the internal translations cache if a .mo file is modified."""
+    if file_path.suffix == ".mo":
+        import gettext
+
+        from django.utils.translation import trans_real
+
+        gettext._translations = {}
+        trans_real._translations = {}
+        trans_real._default = None
+        trans_real._active = Local()
+        return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/template.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/template.py
new file mode 100644
index 00000000..d7353a30
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/template.py
@@ -0,0 +1,246 @@
+import warnings
+from io import StringIO
+
+from django.template.base import Lexer, TokenType
+from django.utils.regex_helper import _lazy_re_compile
+
+from . import TranslatorCommentWarning, trim_whitespace
+
+TRANSLATOR_COMMENT_MARK = "Translators"
+
+dot_re = _lazy_re_compile(r"\S")
+
+
+def blankout(src, char):
+    """
+    Change every non-whitespace character to the given char.
+    Used in the templatize function.
+    """
+    return dot_re.sub(char, src)
+
+
+context_re = _lazy_re_compile(r"""^\s+.*context\s+((?:"[^"]*?")|(?:'[^']*?'))\s*""")
+inline_re = _lazy_re_compile(
+    # Match the trans/translate 'some text' part.
+    r"""^\s*trans(?:late)?\s+((?:"[^"]*?")|(?:'[^']*?'))"""
+    # Match and ignore optional filters
+    r"""(?:\s*\|\s*[^\s:]+(?::(?:[^\s'":]+|(?:"[^"]*?")|(?:'[^']*?')))?)*"""
+    # Match the optional context part
+    r"""(\s+.*context\s+((?:"[^"]*?")|(?:'[^']*?')))?\s*"""
+)
+block_re = _lazy_re_compile(
+    r"""^\s*blocktrans(?:late)?(\s+.*context\s+((?:"[^"]*?")|(?:'[^']*?')))?(?:\s+|$)"""
+)
+endblock_re = _lazy_re_compile(r"""^\s*endblocktrans(?:late)?$""")
+plural_re = _lazy_re_compile(r"""^\s*plural$""")
+constant_re = _lazy_re_compile(r"""_\(((?:".*?")|(?:'.*?'))\)""")
+
+
+def templatize(src, origin=None):
+    """
+    Turn a Django template into something that is understood by xgettext. It
+    does so by translating the Django translation tags into standard gettext
+    function invocations.
+    """
+    out = StringIO("")
+    message_context = None
+    intrans = False
+    inplural = False
+    trimmed = False
+    singular = []
+    plural = []
+    incomment = False
+    comment = []
+    lineno_comment_map = {}
+    comment_lineno_cache = None
+    # Adding the u prefix allows gettext to recognize the string (#26093).
+    raw_prefix = "u"
+
+    def join_tokens(tokens, trim=False):
+        message = "".join(tokens)
+        if trim:
+            message = trim_whitespace(message)
+        return message
+
+    for t in Lexer(src).tokenize():
+        if incomment:
+            if t.token_type == TokenType.BLOCK and t.contents == "endcomment":
+                content = "".join(comment)
+                translators_comment_start = None
+                for lineno, line in enumerate(content.splitlines(True)):
+                    if line.lstrip().startswith(TRANSLATOR_COMMENT_MARK):
+                        translators_comment_start = lineno
+                for lineno, line in enumerate(content.splitlines(True)):
+                    if (
+                        translators_comment_start is not None
+                        and lineno >= translators_comment_start
+                    ):
+                        out.write(" # %s" % line)
+                    else:
+                        out.write(" #\n")
+                incomment = False
+                comment = []
+            else:
+                comment.append(t.contents)
+        elif intrans:
+            if t.token_type == TokenType.BLOCK:
+                endbmatch = endblock_re.match(t.contents)
+                pluralmatch = plural_re.match(t.contents)
+                if endbmatch:
+                    if inplural:
+                        if message_context:
+                            out.write(
+                                " npgettext({p}{!r}, {p}{!r}, {p}{!r},count) ".format(
+                                    message_context,
+                                    join_tokens(singular, trimmed),
+                                    join_tokens(plural, trimmed),
+                                    p=raw_prefix,
+                                )
+                            )
+                        else:
+                            out.write(
+                                " ngettext({p}{!r}, {p}{!r}, count) ".format(
+                                    join_tokens(singular, trimmed),
+                                    join_tokens(plural, trimmed),
+                                    p=raw_prefix,
+                                )
+                            )
+                        for part in singular:
+                            out.write(blankout(part, "S"))
+                        for part in plural:
+                            out.write(blankout(part, "P"))
+                    else:
+                        if message_context:
+                            out.write(
+                                " pgettext({p}{!r}, {p}{!r}) ".format(
+                                    message_context,
+                                    join_tokens(singular, trimmed),
+                                    p=raw_prefix,
+                                )
+                            )
+                        else:
+                            out.write(
+                                " gettext({p}{!r}) ".format(
+                                    join_tokens(singular, trimmed),
+                                    p=raw_prefix,
+                                )
+                            )
+                        for part in singular:
+                            out.write(blankout(part, "S"))
+                    message_context = None
+                    intrans = False
+                    inplural = False
+                    singular = []
+                    plural = []
+                elif pluralmatch:
+                    inplural = True
+                else:
+                    filemsg = ""
+                    if origin:
+                        filemsg = "file %s, " % origin
+                    raise SyntaxError(
+                        "Translation blocks must not include other block tags: "
+                        "%s (%sline %d)" % (t.contents, filemsg, t.lineno)
+                    )
+            elif t.token_type == TokenType.VAR:
+                if inplural:
+                    plural.append("%%(%s)s" % t.contents)
+                else:
+                    singular.append("%%(%s)s" % t.contents)
+            elif t.token_type == TokenType.TEXT:
+                contents = t.contents.replace("%", "%%")
+                if inplural:
+                    plural.append(contents)
+                else:
+                    singular.append(contents)
+        else:
+            # Handle comment tokens (`{# ... #}`) plus other constructs on
+            # the same line:
+            if comment_lineno_cache is not None:
+                cur_lineno = t.lineno + t.contents.count("\n")
+                if comment_lineno_cache == cur_lineno:
+                    if t.token_type != TokenType.COMMENT:
+                        for c in lineno_comment_map[comment_lineno_cache]:
+                            filemsg = ""
+                            if origin:
+                                filemsg = "file %s, " % origin
+                            warn_msg = (
+                                "The translator-targeted comment '%s' "
+                                "(%sline %d) was ignored, because it wasn't "
+                                "the last item on the line."
+                            ) % (c, filemsg, comment_lineno_cache)
+                            warnings.warn(warn_msg, TranslatorCommentWarning)
+                        lineno_comment_map[comment_lineno_cache] = []
+                else:
+                    out.write(
+                        "# %s" % " | ".join(lineno_comment_map[comment_lineno_cache])
+                    )
+                comment_lineno_cache = None
+
+            if t.token_type == TokenType.BLOCK:
+                imatch = inline_re.match(t.contents)
+                bmatch = block_re.match(t.contents)
+                cmatches = constant_re.findall(t.contents)
+                if imatch:
+                    g = imatch[1]
+                    if g[0] == '"':
+                        g = g.strip('"')
+                    elif g[0] == "'":
+                        g = g.strip("'")
+                    g = g.replace("%", "%%")
+                    if imatch[2]:
+                        # A context is provided
+                        context_match = context_re.match(imatch[2])
+                        message_context = context_match[1]
+                        if message_context[0] == '"':
+                            message_context = message_context.strip('"')
+                        elif message_context[0] == "'":
+                            message_context = message_context.strip("'")
+                        out.write(
+                            " pgettext({p}{!r}, {p}{!r}) ".format(
+                                message_context, g, p=raw_prefix
+                            )
+                        )
+                        message_context = None
+                    else:
+                        out.write(" gettext({p}{!r}) ".format(g, p=raw_prefix))
+                elif bmatch:
+                    for fmatch in constant_re.findall(t.contents):
+                        out.write(" _(%s) " % fmatch)
+                    if bmatch[1]:
+                        # A context is provided
+                        context_match = context_re.match(bmatch[1])
+                        message_context = context_match[1]
+                        if message_context[0] == '"':
+                            message_context = message_context.strip('"')
+                        elif message_context[0] == "'":
+                            message_context = message_context.strip("'")
+                    intrans = True
+                    inplural = False
+                    trimmed = "trimmed" in t.split_contents()
+                    singular = []
+                    plural = []
+                elif cmatches:
+                    for cmatch in cmatches:
+                        out.write(" _(%s) " % cmatch)
+                elif t.contents == "comment":
+                    incomment = True
+                else:
+                    out.write(blankout(t.contents, "B"))
+            elif t.token_type == TokenType.VAR:
+                parts = t.contents.split("|")
+                cmatch = constant_re.match(parts[0])
+                if cmatch:
+                    out.write(" _(%s) " % cmatch[1])
+                for p in parts[1:]:
+                    if p.find(":_(") >= 0:
+                        out.write(" %s " % p.split(":", 1)[1])
+                    else:
+                        out.write(blankout(p, "F"))
+            elif t.token_type == TokenType.COMMENT:
+                if t.contents.lstrip().startswith(TRANSLATOR_COMMENT_MARK):
+                    lineno_comment_map.setdefault(t.lineno, []).append(t.contents)
+                    comment_lineno_cache = t.lineno
+            else:
+                out.write(blankout(t.contents, "X"))
+    return out.getvalue()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/trans_null.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/trans_null.py
new file mode 100644
index 00000000..c8bfb125
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/trans_null.py
@@ -0,0 +1,67 @@
+# These are versions of the functions in django.utils.translation.trans_real
+# that don't actually do anything. This is purely for performance, so that
+# settings.USE_I18N = False can use this module rather than trans_real.py.
+
+from django.conf import settings
+
+
+def gettext(message):
+    return message
+
+
+gettext_noop = gettext_lazy = _ = gettext
+
+
+def ngettext(singular, plural, number):
+    if number == 1:
+        return singular
+    return plural
+
+
+ngettext_lazy = ngettext
+
+
+def pgettext(context, message):
+    return gettext(message)
+
+
+def npgettext(context, singular, plural, number):
+    return ngettext(singular, plural, number)
+
+
+def activate(x):
+    return None
+
+
+def deactivate():
+    return None
+
+
+deactivate_all = deactivate
+
+
+def get_language():
+    return settings.LANGUAGE_CODE
+
+
+def get_language_bidi():
+    return settings.LANGUAGE_CODE in settings.LANGUAGES_BIDI
+
+
+def check_for_language(x):
+    return True
+
+
+def get_language_from_request(request, check_path=False):
+    return settings.LANGUAGE_CODE
+
+
+def get_language_from_path(request):
+    return None
+
+
+def get_supported_language_variant(lang_code, strict=False):
+    if lang_code and lang_code.lower() == settings.LANGUAGE_CODE.lower():
+        return lang_code
+    else:
+        raise LookupError(lang_code)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/trans_real.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/trans_real.py
new file mode 100644
index 00000000..a6295287
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/translation/trans_real.py
@@ -0,0 +1,640 @@
+"""Translation helper functions."""
+
+import functools
+import gettext as gettext_module
+import os
+import re
+import sys
+import warnings
+
+from asgiref.local import Local
+
+from django.apps import apps
+from django.conf import settings
+from django.conf.locale import LANG_INFO
+from django.core.exceptions import AppRegistryNotReady
+from django.core.signals import setting_changed
+from django.dispatch import receiver
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.safestring import SafeData, mark_safe
+
+from . import to_language, to_locale
+
+# Translations are cached in a dictionary for every language.
+# The active translations are stored by threadid to make them thread local.
+_translations = {}
+_active = Local()
+
+# The default translation is based on the settings file.
+_default = None
+
+# magic gettext number to separate context from message
+CONTEXT_SEPARATOR = "\x04"
+
+# Maximum number of characters that will be parsed from the Accept-Language
+# header to prevent possible denial of service or memory exhaustion attacks.
+# About 10x longer than the longest value shown on MDN’s Accept-Language page.
+ACCEPT_LANGUAGE_HEADER_MAX_LENGTH = 500
+
+# Format of Accept-Language header values. From RFC 9110 Sections 12.4.2 and
+# 12.5.4, and RFC 5646 Section 2.1.
+accept_language_re = _lazy_re_compile(
+    r"""
+        # "en", "en-au", "x-y-z", "es-419", "*"
+        ([A-Za-z]{1,8}(?:-[A-Za-z0-9]{1,8})*|\*)
+        # Optional "q=1.00", "q=0.8"
+        (?:\s*;\s*q=(0(?:\.[0-9]{,3})?|1(?:\.0{,3})?))?
+        # Multiple accepts per header.
+        (?:\s*,\s*|$)
+    """,
+    re.VERBOSE,
+)
+
+language_code_re = _lazy_re_compile(
+    r"^[a-z]{1,8}(?:-[a-z0-9]{1,8})*(?:@[a-z0-9]{1,20})?$", re.IGNORECASE
+)
+
+language_code_prefix_re = _lazy_re_compile(r"^/(\w+([@-]\w+){0,2})(/|$)")
+
+
+@receiver(setting_changed)
+def reset_cache(*, setting, **kwargs):
+    """
+    Reset global state when LANGUAGES setting has been changed, as some
+    languages should no longer be accepted.
+    """
+    if setting in ("LANGUAGES", "LANGUAGE_CODE"):
+        check_for_language.cache_clear()
+        get_languages.cache_clear()
+        get_supported_language_variant.cache_clear()
+
+
+class TranslationCatalog:
+    """
+    Simulate a dict for DjangoTranslation._catalog so as multiple catalogs
+    with different plural equations are kept separate.
+    """
+
+    def __init__(self, trans=None):
+        self._catalogs = [trans._catalog.copy()] if trans else [{}]
+        self._plurals = [trans.plural] if trans else [lambda n: int(n != 1)]
+
+    def __getitem__(self, key):
+        for cat in self._catalogs:
+            try:
+                return cat[key]
+            except KeyError:
+                pass
+        raise KeyError(key)
+
+    def __setitem__(self, key, value):
+        self._catalogs[0][key] = value
+
+    def __contains__(self, key):
+        return any(key in cat for cat in self._catalogs)
+
+    def items(self):
+        for cat in self._catalogs:
+            yield from cat.items()
+
+    def keys(self):
+        for cat in self._catalogs:
+            yield from cat.keys()
+
+    def update(self, trans):
+        # Merge if plural function is the same, else prepend.
+        for cat, plural in zip(self._catalogs, self._plurals):
+            if trans.plural.__code__ == plural.__code__:
+                cat.update(trans._catalog)
+                break
+        else:
+            self._catalogs.insert(0, trans._catalog.copy())
+            self._plurals.insert(0, trans.plural)
+
+    def get(self, key, default=None):
+        missing = object()
+        for cat in self._catalogs:
+            result = cat.get(key, missing)
+            if result is not missing:
+                return result
+        return default
+
+    def plural(self, msgid, num):
+        for cat, plural in zip(self._catalogs, self._plurals):
+            tmsg = cat.get((msgid, plural(num)))
+            if tmsg is not None:
+                return tmsg
+        raise KeyError
+
+
+class DjangoTranslation(gettext_module.GNUTranslations):
+    """
+    Set up the GNUTranslations context with regard to output charset.
+
+    This translation object will be constructed out of multiple GNUTranslations
+    objects by merging their catalogs. It will construct an object for the
+    requested language and add a fallback to the default language, if it's
+    different from the requested language.
+    """
+
+    domain = "django"
+
+    def __init__(self, language, domain=None, localedirs=None):
+        """Create a GNUTranslations() using many locale directories"""
+        gettext_module.GNUTranslations.__init__(self)
+        if domain is not None:
+            self.domain = domain
+
+        self.__language = language
+        self.__to_language = to_language(language)
+        self.__locale = to_locale(language)
+        self._catalog = None
+        # If a language doesn't have a catalog, use the Germanic default for
+        # pluralization: anything except one is pluralized.
+        self.plural = lambda n: int(n != 1)
+
+        if self.domain == "django":
+            if localedirs is not None:
+                # A module-level cache is used for caching 'django' translations
+                warnings.warn(
+                    "localedirs is ignored when domain is 'django'.", RuntimeWarning
+                )
+                localedirs = None
+            self._init_translation_catalog()
+
+        if localedirs:
+            for localedir in localedirs:
+                translation = self._new_gnu_trans(localedir)
+                self.merge(translation)
+        else:
+            self._add_installed_apps_translations()
+
+        self._add_local_translations()
+        if (
+            self.__language == settings.LANGUAGE_CODE
+            and self.domain == "django"
+            and self._catalog is None
+        ):
+            # default lang should have at least one translation file available.
+            raise OSError(
+                "No translation files found for default language %s."
+                % settings.LANGUAGE_CODE
+            )
+        self._add_fallback(localedirs)
+        if self._catalog is None:
+            # No catalogs found for this language, set an empty catalog.
+            self._catalog = TranslationCatalog()
+
+    def __repr__(self):
+        return "<DjangoTranslation lang:%s>" % self.__language
+
+    def _new_gnu_trans(self, localedir, use_null_fallback=True):
+        """
+        Return a mergeable gettext.GNUTranslations instance.
+
+        A convenience wrapper. By default gettext uses 'fallback=False'.
+        Using param `use_null_fallback` to avoid confusion with any other
+        references to 'fallback'.
+        """
+        return gettext_module.translation(
+            domain=self.domain,
+            localedir=localedir,
+            languages=[self.__locale],
+            fallback=use_null_fallback,
+        )
+
+    def _init_translation_catalog(self):
+        """Create a base catalog using global django translations."""
+        settingsfile = sys.modules[settings.__module__].__file__
+        localedir = os.path.join(os.path.dirname(settingsfile), "locale")
+        translation = self._new_gnu_trans(localedir)
+        self.merge(translation)
+
+    def _add_installed_apps_translations(self):
+        """Merge translations from each installed app."""
+        try:
+            app_configs = reversed(apps.get_app_configs())
+        except AppRegistryNotReady:
+            raise AppRegistryNotReady(
+                "The translation infrastructure cannot be initialized before the "
+                "apps registry is ready. Check that you don't make non-lazy "
+                "gettext calls at import time."
+            )
+        for app_config in app_configs:
+            localedir = os.path.join(app_config.path, "locale")
+            if os.path.exists(localedir):
+                translation = self._new_gnu_trans(localedir)
+                self.merge(translation)
+
+    def _add_local_translations(self):
+        """Merge translations defined in LOCALE_PATHS."""
+        for localedir in reversed(settings.LOCALE_PATHS):
+            translation = self._new_gnu_trans(localedir)
+            self.merge(translation)
+
+    def _add_fallback(self, localedirs=None):
+        """Set the GNUTranslations() fallback with the default language."""
+        # Don't set a fallback for the default language or any English variant
+        # (as it's empty, so it'll ALWAYS fall back to the default language)
+        if self.__language == settings.LANGUAGE_CODE or self.__language.startswith(
+            "en"
+        ):
+            return
+        if self.domain == "django":
+            # Get from cache
+            default_translation = translation(settings.LANGUAGE_CODE)
+        else:
+            default_translation = DjangoTranslation(
+                settings.LANGUAGE_CODE, domain=self.domain, localedirs=localedirs
+            )
+        self.add_fallback(default_translation)
+
+    def merge(self, other):
+        """Merge another translation into this catalog."""
+        if not getattr(other, "_catalog", None):
+            return  # NullTranslations() has no _catalog
+        if self._catalog is None:
+            # Take plural and _info from first catalog found (generally Django's).
+            self.plural = other.plural
+            self._info = other._info.copy()
+            self._catalog = TranslationCatalog(other)
+        else:
+            self._catalog.update(other)
+        if other._fallback:
+            self.add_fallback(other._fallback)
+
+    def language(self):
+        """Return the translation language."""
+        return self.__language
+
+    def to_language(self):
+        """Return the translation language name."""
+        return self.__to_language
+
+    def ngettext(self, msgid1, msgid2, n):
+        try:
+            tmsg = self._catalog.plural(msgid1, n)
+        except KeyError:
+            if self._fallback:
+                return self._fallback.ngettext(msgid1, msgid2, n)
+            if n == 1:
+                tmsg = msgid1
+            else:
+                tmsg = msgid2
+        return tmsg
+
+
+def translation(language):
+    """
+    Return a translation object in the default 'django' domain.
+    """
+    global _translations
+    if language not in _translations:
+        _translations[language] = DjangoTranslation(language)
+    return _translations[language]
+
+
+def activate(language):
+    """
+    Fetch the translation object for a given language and install it as the
+    current translation object for the current thread.
+    """
+    if not language:
+        return
+    _active.value = translation(language)
+
+
+def deactivate():
+    """
+    Uninstall the active translation object so that further _() calls resolve
+    to the default translation object.
+    """
+    if hasattr(_active, "value"):
+        del _active.value
+
+
+def deactivate_all():
+    """
+    Make the active translation object a NullTranslations() instance. This is
+    useful when we want delayed translations to appear as the original string
+    for some reason.
+    """
+    _active.value = gettext_module.NullTranslations()
+    _active.value.to_language = lambda *args: None
+
+
+def get_language():
+    """Return the currently selected language."""
+    t = getattr(_active, "value", None)
+    if t is not None:
+        try:
+            return t.to_language()
+        except AttributeError:
+            pass
+    # If we don't have a real translation object, assume it's the default language.
+    return settings.LANGUAGE_CODE
+
+
+def get_language_bidi():
+    """
+    Return selected language's BiDi layout.
+
+    * False = left-to-right layout
+    * True = right-to-left layout
+    """
+    lang = get_language()
+    if lang is None:
+        return False
+    else:
+        base_lang = get_language().split("-")[0]
+        return base_lang in settings.LANGUAGES_BIDI
+
+
+def catalog():
+    """
+    Return the current active catalog for further processing.
+    This can be used if you need to modify the catalog or want to access the
+    whole message catalog instead of just translating one string.
+    """
+    global _default
+
+    t = getattr(_active, "value", None)
+    if t is not None:
+        return t
+    if _default is None:
+        _default = translation(settings.LANGUAGE_CODE)
+    return _default
+
+
+def gettext(message):
+    """
+    Translate the 'message' string. It uses the current thread to find the
+    translation object to use. If no current translation is activated, the
+    message will be run through the default translation object.
+    """
+    global _default
+
+    eol_message = message.replace("\r\n", "\n").replace("\r", "\n")
+
+    if eol_message:
+        _default = _default or translation(settings.LANGUAGE_CODE)
+        translation_object = getattr(_active, "value", _default)
+
+        result = translation_object.gettext(eol_message)
+    else:
+        # Return an empty value of the corresponding type if an empty message
+        # is given, instead of metadata, which is the default gettext behavior.
+        result = type(message)("")
+
+    if isinstance(message, SafeData):
+        return mark_safe(result)
+
+    return result
+
+
+def pgettext(context, message):
+    msg_with_ctxt = "%s%s%s" % (context, CONTEXT_SEPARATOR, message)
+    result = gettext(msg_with_ctxt)
+    if CONTEXT_SEPARATOR in result:
+        # Translation not found
+        result = message
+    elif isinstance(message, SafeData):
+        result = mark_safe(result)
+    return result
+
+
+def gettext_noop(message):
+    """
+    Mark strings for translation but don't translate them now. This can be
+    used to store strings in global variables that should stay in the base
+    language (because they might be used externally) and will be translated
+    later.
+    """
+    return message
+
+
+def do_ntranslate(singular, plural, number, translation_function):
+    global _default
+
+    t = getattr(_active, "value", None)
+    if t is not None:
+        return getattr(t, translation_function)(singular, plural, number)
+    if _default is None:
+        _default = translation(settings.LANGUAGE_CODE)
+    return getattr(_default, translation_function)(singular, plural, number)
+
+
+def ngettext(singular, plural, number):
+    """
+    Return a string of the translation of either the singular or plural,
+    based on the number.
+    """
+    return do_ntranslate(singular, plural, number, "ngettext")
+
+
+def npgettext(context, singular, plural, number):
+    msgs_with_ctxt = (
+        "%s%s%s" % (context, CONTEXT_SEPARATOR, singular),
+        "%s%s%s" % (context, CONTEXT_SEPARATOR, plural),
+        number,
+    )
+    result = ngettext(*msgs_with_ctxt)
+    if CONTEXT_SEPARATOR in result:
+        # Translation not found
+        result = ngettext(singular, plural, number)
+    return result
+
+
+def all_locale_paths():
+    """
+    Return a list of paths to user-provides languages files.
+    """
+    globalpath = os.path.join(
+        os.path.dirname(sys.modules[settings.__module__].__file__), "locale"
+    )
+    app_paths = []
+    for app_config in apps.get_app_configs():
+        locale_path = os.path.join(app_config.path, "locale")
+        if os.path.exists(locale_path):
+            app_paths.append(locale_path)
+    return [globalpath, *settings.LOCALE_PATHS, *app_paths]
+
+
+@functools.lru_cache(maxsize=1000)
+def check_for_language(lang_code):
+    """
+    Check whether there is a global language file for the given language
+    code. This is used to decide whether a user-provided language is
+    available.
+
+    lru_cache should have a maxsize to prevent from memory exhaustion attacks,
+    as the provided language codes are taken from the HTTP request. See also
+    <https://www.djangoproject.com/weblog/2007/oct/26/security-fix/>.
+    """
+    # First, a quick check to make sure lang_code is well-formed (#21458)
+    if lang_code is None or not language_code_re.search(lang_code):
+        return False
+    return any(
+        gettext_module.find("django", path, [to_locale(lang_code)]) is not None
+        for path in all_locale_paths()
+    )
+
+
+@functools.lru_cache
+def get_languages():
+    """
+    Cache of settings.LANGUAGES in a dictionary for easy lookups by key.
+    Convert keys to lowercase as they should be treated as case-insensitive.
+    """
+    return {key.lower(): value for key, value in dict(settings.LANGUAGES).items()}
+
+
+@functools.lru_cache(maxsize=1000)
+def get_supported_language_variant(lang_code, strict=False):
+    """
+    Return the language code that's listed in supported languages, possibly
+    selecting a more generic variant. Raise LookupError if nothing is found.
+
+    If `strict` is False (the default), look for a country-specific variant
+    when neither the language code nor its generic variant is found.
+
+    lru_cache should have a maxsize to prevent from memory exhaustion attacks,
+    as the provided language codes are taken from the HTTP request. See also
+    <https://www.djangoproject.com/weblog/2007/oct/26/security-fix/>.
+    """
+    if lang_code:
+        # If 'zh-hant-tw' is not supported, try special fallback or subsequent
+        # language codes i.e. 'zh-hant' and 'zh'.
+        possible_lang_codes = [lang_code]
+        try:
+            possible_lang_codes.extend(LANG_INFO[lang_code]["fallback"])
+        except KeyError:
+            pass
+        i = None
+        while (i := lang_code.rfind("-", 0, i)) > -1:
+            possible_lang_codes.append(lang_code[:i])
+        generic_lang_code = possible_lang_codes[-1]
+        supported_lang_codes = get_languages()
+
+        for code in possible_lang_codes:
+            if code.lower() in supported_lang_codes and check_for_language(code):
+                return code
+        if not strict:
+            # if fr-fr is not supported, try fr-ca.
+            for supported_code in supported_lang_codes:
+                if supported_code.startswith(generic_lang_code + "-"):
+                    return supported_code
+    raise LookupError(lang_code)
+
+
+def get_language_from_path(path, strict=False):
+    """
+    Return the language code if there's a valid language code found in `path`.
+
+    If `strict` is False (the default), look for a country-specific variant
+    when neither the language code nor its generic variant is found.
+    """
+    regex_match = language_code_prefix_re.match(path)
+    if not regex_match:
+        return None
+    lang_code = regex_match[1]
+    try:
+        return get_supported_language_variant(lang_code, strict=strict)
+    except LookupError:
+        return None
+
+
+def get_language_from_request(request, check_path=False):
+    """
+    Analyze the request to find what language the user wants the system to
+    show. Only languages listed in settings.LANGUAGES are taken into account.
+    If the user requests a sublanguage where we have a main language, we send
+    out the main language.
+
+    If check_path is True, the URL path prefix will be checked for a language
+    code, otherwise this is skipped for backwards compatibility.
+    """
+    if check_path:
+        lang_code = get_language_from_path(request.path_info)
+        if lang_code is not None:
+            return lang_code
+
+    lang_code = request.COOKIES.get(settings.LANGUAGE_COOKIE_NAME)
+    if (
+        lang_code is not None
+        and lang_code in get_languages()
+        and check_for_language(lang_code)
+    ):
+        return lang_code
+
+    try:
+        return get_supported_language_variant(lang_code)
+    except LookupError:
+        pass
+
+    accept = request.META.get("HTTP_ACCEPT_LANGUAGE", "")
+    for accept_lang, unused in parse_accept_lang_header(accept):
+        if accept_lang == "*":
+            break
+
+        if not language_code_re.search(accept_lang):
+            continue
+
+        try:
+            return get_supported_language_variant(accept_lang)
+        except LookupError:
+            continue
+
+    try:
+        return get_supported_language_variant(settings.LANGUAGE_CODE)
+    except LookupError:
+        return settings.LANGUAGE_CODE
+
+
+@functools.lru_cache(maxsize=1000)
+def _parse_accept_lang_header(lang_string):
+    """
+    Parse the lang_string, which is the body of an HTTP Accept-Language
+    header, and return a tuple of (lang, q-value), ordered by 'q' values.
+
+    Return an empty tuple if there are any format errors in lang_string.
+    """
+    result = []
+    pieces = accept_language_re.split(lang_string.lower())
+    if pieces[-1]:
+        return ()
+    for i in range(0, len(pieces) - 1, 3):
+        first, lang, priority = pieces[i : i + 3]
+        if first:
+            return ()
+        if priority:
+            priority = float(priority)
+        else:
+            priority = 1.0
+        result.append((lang, priority))
+    result.sort(key=lambda k: k[1], reverse=True)
+    return tuple(result)
+
+
+def parse_accept_lang_header(lang_string):
+    """
+    Parse the value of the Accept-Language header up to a maximum length.
+
+    The value of the header is truncated to a maximum length to avoid potential
+    denial of service and memory exhaustion attacks. Excessive memory could be
+    used if the raw value is very large as it would be cached due to the use of
+    functools.lru_cache() to avoid repetitive parsing of common header values.
+    """
+    # If the header value doesn't exceed the maximum allowed length, parse it.
+    if len(lang_string) <= ACCEPT_LANGUAGE_HEADER_MAX_LENGTH:
+        return _parse_accept_lang_header(lang_string)
+
+    # If there is at least one comma in the value, parse up to the last comma
+    # before the max length, skipping any truncated parts at the end of the
+    # header value.
+    if (index := lang_string.rfind(",", 0, ACCEPT_LANGUAGE_HEADER_MAX_LENGTH)) > 0:
+        return _parse_accept_lang_header(lang_string[:index])
+
+    # Don't attempt to parse if there is only one language-range value which is
+    # longer than the maximum allowed length and so truncated.
+    return ()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/tree.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/tree.py
new file mode 100644
index 00000000..443e9967
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/tree.py
@@ -0,0 +1,126 @@
+"""
+A class for storing a tree graph. Primarily used for filter constructs in the
+ORM.
+"""
+
+import copy
+
+from django.utils.hashable import make_hashable
+
+
+class Node:
+    """
+    A single internal node in the tree graph. A Node should be viewed as a
+    connection (the root) with the children being either leaf nodes or other
+    Node instances.
+    """
+
+    # Standard connector type. Clients usually won't use this at all and
+    # subclasses will usually override the value.
+    default = "DEFAULT"
+
+    def __init__(self, children=None, connector=None, negated=False):
+        """Construct a new Node. If no connector is given, use the default."""
+        self.children = children[:] if children else []
+        self.connector = connector or self.default
+        self.negated = negated
+
+    @classmethod
+    def create(cls, children=None, connector=None, negated=False):
+        """
+        Create a new instance using Node() instead of __init__() as some
+        subclasses, e.g. django.db.models.query_utils.Q, may implement a custom
+        __init__() with a signature that conflicts with the one defined in
+        Node.__init__().
+        """
+        obj = Node(children, connector or cls.default, negated)
+        obj.__class__ = cls
+        return obj
+
+    def __str__(self):
+        template = "(NOT (%s: %s))" if self.negated else "(%s: %s)"
+        return template % (self.connector, ", ".join(str(c) for c in self.children))
+
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self)
+
+    def __copy__(self):
+        obj = self.create(connector=self.connector, negated=self.negated)
+        obj.children = self.children  # Don't [:] as .__init__() via .create() does.
+        return obj
+
+    copy = __copy__
+
+    def __deepcopy__(self, memodict):
+        obj = self.create(connector=self.connector, negated=self.negated)
+        obj.children = copy.deepcopy(self.children, memodict)
+        return obj
+
+    def __len__(self):
+        """Return the number of children this node has."""
+        return len(self.children)
+
+    def __bool__(self):
+        """Return whether or not this node has children."""
+        return bool(self.children)
+
+    def __contains__(self, other):
+        """Return True if 'other' is a direct child of this instance."""
+        return other in self.children
+
+    def __eq__(self, other):
+        return (
+            self.__class__ == other.__class__
+            and self.connector == other.connector
+            and self.negated == other.negated
+            and self.children == other.children
+        )
+
+    def __hash__(self):
+        return hash(
+            (
+                self.__class__,
+                self.connector,
+                self.negated,
+                *make_hashable(self.children),
+            )
+        )
+
+    def add(self, data, conn_type):
+        """
+        Combine this tree and the data represented by data using the
+        connector conn_type. The combine is done by squashing the node other
+        away if possible.
+
+        This tree (self) will never be pushed to a child node of the
+        combined tree, nor will the connector or negated properties change.
+
+        Return a node which can be used in place of data regardless if the
+        node other got squashed or not.
+        """
+        if self.connector != conn_type:
+            obj = self.copy()
+            self.connector = conn_type
+            self.children = [obj, data]
+            return data
+        elif (
+            isinstance(data, Node)
+            and not data.negated
+            and (data.connector == conn_type or len(data) == 1)
+        ):
+            # We can squash the other node's children directly into this node.
+            # We are just doing (AB)(CD) == (ABCD) here, with the addition that
+            # if the length of the other node is 1 the connector doesn't
+            # matter. However, for the len(self) == 1 case we don't want to do
+            # the squashing, as it would alter self.connector.
+            self.children.extend(data.children)
+            return self
+        else:
+            # We could use perhaps additional logic here to see if some
+            # children could be used for pushdown here.
+            self.children.append(data)
+            return data
+
+    def negate(self):
+        """Negate the sense of the root connector."""
+        self.negated = not self.negated
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/version.py
new file mode 100644
index 00000000..1e9c7202
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/version.py
@@ -0,0 +1,121 @@
+import datetime
+import functools
+import os
+import subprocess
+import sys
+
+from django.utils.regex_helper import _lazy_re_compile
+
+# Private, stable API for detecting the Python version. PYXY means "Python X.Y
+# or later". So that third-party apps can use these values, each constant
+# should remain as long as the oldest supported Django version supports that
+# Python version.
+PY36 = sys.version_info >= (3, 6)
+PY37 = sys.version_info >= (3, 7)
+PY38 = sys.version_info >= (3, 8)
+PY39 = sys.version_info >= (3, 9)
+PY310 = sys.version_info >= (3, 10)
+PY311 = sys.version_info >= (3, 11)
+PY312 = sys.version_info >= (3, 12)
+
+
+def get_version(version=None):
+    """Return a PEP 440-compliant version number from VERSION."""
+    version = get_complete_version(version)
+
+    # Now build the two parts of the version number:
+    # main = X.Y[.Z]
+    # sub = .devN - for pre-alpha releases
+    #     | {a|b|rc}N - for alpha, beta, and rc releases
+
+    main = get_main_version(version)
+
+    sub = ""
+    if version[3] == "alpha" and version[4] == 0:
+        git_changeset = get_git_changeset()
+        if git_changeset:
+            sub = ".dev%s" % git_changeset
+
+    elif version[3] != "final":
+        mapping = {"alpha": "a", "beta": "b", "rc": "rc"}
+        sub = mapping[version[3]] + str(version[4])
+
+    return main + sub
+
+
+def get_main_version(version=None):
+    """Return main version (X.Y[.Z]) from VERSION."""
+    version = get_complete_version(version)
+    parts = 2 if version[2] == 0 else 3
+    return ".".join(str(x) for x in version[:parts])
+
+
+def get_complete_version(version=None):
+    """
+    Return a tuple of the django version. If version argument is non-empty,
+    check for correctness of the tuple provided.
+    """
+    if version is None:
+        from django import VERSION as version
+    else:
+        assert len(version) == 5
+        assert version[3] in ("alpha", "beta", "rc", "final")
+
+    return version
+
+
+def get_docs_version(version=None):
+    version = get_complete_version(version)
+    if version[3] != "final":
+        return "dev"
+    else:
+        return "%d.%d" % version[:2]
+
+
+@functools.lru_cache
+def get_git_changeset():
+    """Return a numeric identifier of the latest git changeset.
+
+    The result is the UTC timestamp of the changeset in YYYYMMDDHHMMSS format.
+    This value isn't guaranteed to be unique, but collisions are very unlikely,
+    so it's sufficient for generating the development version numbers.
+    """
+    # Repository may not be found if __file__ is undefined, e.g. in a frozen
+    # module.
+    if "__file__" not in globals():
+        return None
+    repo_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+    git_log = subprocess.run(
+        "git log --pretty=format:%ct --quiet -1 HEAD",
+        capture_output=True,
+        shell=True,
+        cwd=repo_dir,
+        text=True,
+    )
+    timestamp = git_log.stdout
+    tz = datetime.timezone.utc
+    try:
+        timestamp = datetime.datetime.fromtimestamp(int(timestamp), tz=tz)
+    except ValueError:
+        return None
+    return timestamp.strftime("%Y%m%d%H%M%S")
+
+
+version_component_re = _lazy_re_compile(r"(\d+|[a-z]+|\.)")
+
+
+def get_version_tuple(version):
+    """
+    Return a tuple of version numbers (e.g. (1, 2, 3)) from the version
+    string (e.g. '1.2.3').
+    """
+    version_numbers = []
+    for item in version_component_re.split(version):
+        if item and item != ".":
+            try:
+                component = int(item)
+            except ValueError:
+                break
+            else:
+                version_numbers.append(component)
+    return tuple(version_numbers)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/xmlutils.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/xmlutils.py
new file mode 100644
index 00000000..c3eb3ba6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/utils/xmlutils.py
@@ -0,0 +1,35 @@
+"""
+Utilities for XML generation/parsing.
+"""
+
+import re
+from xml.sax.saxutils import XMLGenerator
+
+
+class UnserializableContentError(ValueError):
+    pass
+
+
+class SimplerXMLGenerator(XMLGenerator):
+    def addQuickElement(self, name, contents=None, attrs=None):
+        "Convenience method for adding an element with no children"
+        if attrs is None:
+            attrs = {}
+        self.startElement(name, attrs)
+        if contents is not None:
+            self.characters(contents)
+        self.endElement(name)
+
+    def characters(self, content):
+        if content and re.search(r"[\x00-\x08\x0B-\x0C\x0E-\x1F]", content):
+            # Fail loudly when content has control chars (unsupported in XML 1.0)
+            # See https://www.w3.org/International/questions/qa-controls
+            raise UnserializableContentError(
+                "Control characters are not supported in XML 1.0"
+            )
+        XMLGenerator.characters(self, content)
+
+    def startElement(self, name, attrs):
+        # Sort attrs for a deterministic output.
+        sorted_attrs = dict(sorted(attrs.items())) if attrs else attrs
+        super().startElement(name, sorted_attrs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/__init__.py
new file mode 100644
index 00000000..1440d433
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/__init__.py
@@ -0,0 +1,3 @@
+from django.views.generic.base import View
+
+__all__ = ["View"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/__pycache__/static.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/__pycache__/static.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/csrf.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/csrf.py
new file mode 100644
index 00000000..3c572a62
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/csrf.py
@@ -0,0 +1,79 @@
+from pathlib import Path
+
+from django.conf import settings
+from django.http import HttpResponseForbidden
+from django.template import Context, Engine, TemplateDoesNotExist, loader
+from django.utils.translation import gettext as _
+from django.utils.version import get_docs_version
+
+CSRF_FAILURE_TEMPLATE_NAME = "403_csrf.html"
+
+
+def builtin_template_path(name):
+    """
+    Return a path to a builtin template.
+
+    Avoid calling this function at the module level or in a class-definition
+    because __file__ may not exist, e.g. in frozen environments.
+    """
+    return Path(__file__).parent / "templates" / name
+
+
+def csrf_failure(request, reason="", template_name=CSRF_FAILURE_TEMPLATE_NAME):
+    """
+    Default view used when request fails CSRF protection
+    """
+    from django.middleware.csrf import REASON_NO_CSRF_COOKIE, REASON_NO_REFERER
+
+    c = {
+        "title": _("Forbidden"),
+        "main": _("CSRF verification failed. Request aborted."),
+        "reason": reason,
+        "no_referer": reason == REASON_NO_REFERER,
+        "no_referer1": _(
+            "You are seeing this message because this HTTPS site requires a "
+            "“Referer header” to be sent by your web browser, but none was "
+            "sent. This header is required for security reasons, to ensure "
+            "that your browser is not being hijacked by third parties."
+        ),
+        "no_referer2": _(
+            "If you have configured your browser to disable “Referer” headers, "
+            "please re-enable them, at least for this site, or for HTTPS "
+            "connections, or for “same-origin” requests."
+        ),
+        "no_referer3": _(
+            'If you are using the <meta name="referrer" '
+            'content="no-referrer"> tag or including the “Referrer-Policy: '
+            "no-referrer” header, please remove them. The CSRF protection "
+            "requires the “Referer” header to do strict referer checking. If "
+            "you’re concerned about privacy, use alternatives like "
+            '<a rel="noreferrer" …> for links to third-party sites.'
+        ),
+        "no_cookie": reason == REASON_NO_CSRF_COOKIE,
+        "no_cookie1": _(
+            "You are seeing this message because this site requires a CSRF "
+            "cookie when submitting forms. This cookie is required for "
+            "security reasons, to ensure that your browser is not being "
+            "hijacked by third parties."
+        ),
+        "no_cookie2": _(
+            "If you have configured your browser to disable cookies, please "
+            "re-enable them, at least for this site, or for “same-origin” "
+            "requests."
+        ),
+        "DEBUG": settings.DEBUG,
+        "docs_version": get_docs_version(),
+        "more": _("More information is available with DEBUG=True."),
+    }
+    try:
+        t = loader.get_template(template_name)
+    except TemplateDoesNotExist:
+        if template_name == CSRF_FAILURE_TEMPLATE_NAME:
+            # If the default template doesn't exist, use the fallback template.
+            with builtin_template_path("csrf_403.html").open(encoding="utf-8") as fh:
+                t = Engine().from_string(fh.read())
+            c = Context(c)
+        else:
+            # Raise if a developer-specified template doesn't exist.
+            raise
+    return HttpResponseForbidden(t.render(c))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/debug.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/debug.py
new file mode 100644
index 00000000..c1265bfe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/debug.py
@@ -0,0 +1,665 @@
+import functools
+import inspect
+import itertools
+import re
+import sys
+import types
+import warnings
+from pathlib import Path
+
+from django.conf import settings
+from django.http import Http404, HttpResponse, HttpResponseNotFound
+from django.template import Context, Engine, TemplateDoesNotExist
+from django.template.defaultfilters import pprint
+from django.urls import resolve
+from django.utils import timezone
+from django.utils.datastructures import MultiValueDict
+from django.utils.encoding import force_str
+from django.utils.module_loading import import_string
+from django.utils.regex_helper import _lazy_re_compile
+from django.utils.version import PY311, get_docs_version
+from django.views.decorators.debug import coroutine_functions_to_sensitive_variables
+
+# Minimal Django templates engine to render the error templates
+# regardless of the project's TEMPLATES setting. Templates are
+# read directly from the filesystem so that the error handler
+# works even if the template loader is broken.
+DEBUG_ENGINE = Engine(
+    debug=True,
+    libraries={"i18n": "django.templatetags.i18n"},
+)
+
+
+def builtin_template_path(name):
+    """
+    Return a path to a builtin template.
+
+    Avoid calling this function at the module level or in a class-definition
+    because __file__ may not exist, e.g. in frozen environments.
+    """
+    return Path(__file__).parent / "templates" / name
+
+
+class ExceptionCycleWarning(UserWarning):
+    pass
+
+
+class CallableSettingWrapper:
+    """
+    Object to wrap callable appearing in settings.
+    * Not to call in the debug page (#21345).
+    * Not to break the debug page if the callable forbidding to set attributes
+      (#23070).
+    """
+
+    def __init__(self, callable_setting):
+        self._wrapped = callable_setting
+
+    def __repr__(self):
+        return repr(self._wrapped)
+
+
+def technical_500_response(request, exc_type, exc_value, tb, status_code=500):
+    """
+    Create a technical server error response. The last three arguments are
+    the values returned from sys.exc_info() and friends.
+    """
+    reporter = get_exception_reporter_class(request)(request, exc_type, exc_value, tb)
+    if request.accepts("text/html"):
+        html = reporter.get_traceback_html()
+        return HttpResponse(html, status=status_code)
+    else:
+        text = reporter.get_traceback_text()
+        return HttpResponse(
+            text, status=status_code, content_type="text/plain; charset=utf-8"
+        )
+
+
+@functools.lru_cache
+def get_default_exception_reporter_filter():
+    # Instantiate the default filter for the first time and cache it.
+    return import_string(settings.DEFAULT_EXCEPTION_REPORTER_FILTER)()
+
+
+def get_exception_reporter_filter(request):
+    default_filter = get_default_exception_reporter_filter()
+    return getattr(request, "exception_reporter_filter", default_filter)
+
+
+def get_exception_reporter_class(request):
+    default_exception_reporter_class = import_string(
+        settings.DEFAULT_EXCEPTION_REPORTER
+    )
+    return getattr(
+        request, "exception_reporter_class", default_exception_reporter_class
+    )
+
+
+def get_caller(request):
+    resolver_match = request.resolver_match
+    if resolver_match is None:
+        try:
+            resolver_match = resolve(request.path)
+        except Http404:
+            pass
+    return "" if resolver_match is None else resolver_match._func_path
+
+
+class SafeExceptionReporterFilter:
+    """
+    Use annotations made by the sensitive_post_parameters and
+    sensitive_variables decorators to filter out sensitive information.
+    """
+
+    cleansed_substitute = "********************"
+    hidden_settings = _lazy_re_compile(
+        "API|TOKEN|KEY|SECRET|PASS|SIGNATURE|HTTP_COOKIE", flags=re.I
+    )
+
+    def cleanse_setting(self, key, value):
+        """
+        Cleanse an individual setting key/value of sensitive content. If the
+        value is a dictionary, recursively cleanse the keys in that dictionary.
+        """
+        if key == settings.SESSION_COOKIE_NAME:
+            is_sensitive = True
+        else:
+            try:
+                is_sensitive = self.hidden_settings.search(key)
+            except TypeError:
+                is_sensitive = False
+
+        if is_sensitive:
+            cleansed = self.cleansed_substitute
+        elif isinstance(value, dict):
+            cleansed = {k: self.cleanse_setting(k, v) for k, v in value.items()}
+        elif isinstance(value, list):
+            cleansed = [self.cleanse_setting("", v) for v in value]
+        elif isinstance(value, tuple):
+            cleansed = tuple([self.cleanse_setting("", v) for v in value])
+        else:
+            cleansed = value
+
+        if callable(cleansed):
+            cleansed = CallableSettingWrapper(cleansed)
+
+        return cleansed
+
+    def get_safe_settings(self):
+        """
+        Return a dictionary of the settings module with values of sensitive
+        settings replaced with stars (*********).
+        """
+        settings_dict = {}
+        for k in dir(settings):
+            if k.isupper():
+                settings_dict[k] = self.cleanse_setting(k, getattr(settings, k))
+        return settings_dict
+
+    def get_safe_request_meta(self, request):
+        """
+        Return a dictionary of request.META with sensitive values redacted.
+        """
+        if not hasattr(request, "META"):
+            return {}
+        return {k: self.cleanse_setting(k, v) for k, v in request.META.items()}
+
+    def get_safe_cookies(self, request):
+        """
+        Return a dictionary of request.COOKIES with sensitive values redacted.
+        """
+        if not hasattr(request, "COOKIES"):
+            return {}
+        return {k: self.cleanse_setting(k, v) for k, v in request.COOKIES.items()}
+
+    def is_active(self, request):
+        """
+        This filter is to add safety in production environments (i.e. DEBUG
+        is False). If DEBUG is True then your site is not safe anyway.
+        This hook is provided as a convenience to easily activate or
+        deactivate the filter on a per request basis.
+        """
+        return settings.DEBUG is False
+
+    def get_cleansed_multivaluedict(self, request, multivaluedict):
+        """
+        Replace the keys in a MultiValueDict marked as sensitive with stars.
+        This mitigates leaking sensitive POST parameters if something like
+        request.POST['nonexistent_key'] throws an exception (#21098).
+        """
+        sensitive_post_parameters = getattr(request, "sensitive_post_parameters", [])
+        if self.is_active(request) and sensitive_post_parameters:
+            multivaluedict = multivaluedict.copy()
+            for param in sensitive_post_parameters:
+                if param in multivaluedict:
+                    multivaluedict[param] = self.cleansed_substitute
+        return multivaluedict
+
+    def get_post_parameters(self, request):
+        """
+        Replace the values of POST parameters marked as sensitive with
+        stars (*********).
+        """
+        if request is None:
+            return {}
+        else:
+            sensitive_post_parameters = getattr(
+                request, "sensitive_post_parameters", []
+            )
+            if self.is_active(request) and sensitive_post_parameters:
+                cleansed = request.POST.copy()
+                if sensitive_post_parameters == "__ALL__":
+                    # Cleanse all parameters.
+                    for k in cleansed:
+                        cleansed[k] = self.cleansed_substitute
+                    return cleansed
+                else:
+                    # Cleanse only the specified parameters.
+                    for param in sensitive_post_parameters:
+                        if param in cleansed:
+                            cleansed[param] = self.cleansed_substitute
+                    return cleansed
+            else:
+                return request.POST
+
+    def cleanse_special_types(self, request, value):
+        try:
+            # If value is lazy or a complex object of another kind, this check
+            # might raise an exception. isinstance checks that lazy
+            # MultiValueDicts will have a return value.
+            is_multivalue_dict = isinstance(value, MultiValueDict)
+        except Exception as e:
+            return "{!r} while evaluating {!r}".format(e, value)
+
+        if is_multivalue_dict:
+            # Cleanse MultiValueDicts (request.POST is the one we usually care about)
+            value = self.get_cleansed_multivaluedict(request, value)
+        return value
+
+    def get_traceback_frame_variables(self, request, tb_frame):
+        """
+        Replace the values of variables marked as sensitive with
+        stars (*********).
+        """
+        sensitive_variables = None
+
+        # Coroutines don't have a proper `f_back` so they need to be inspected
+        # separately. Handle this by stashing the registered sensitive
+        # variables in a global dict indexed by `hash(file_path:line_number)`.
+        if (
+            tb_frame.f_code.co_flags & inspect.CO_COROUTINE != 0
+            and tb_frame.f_code.co_name != "sensitive_variables_wrapper"
+        ):
+            key = hash(
+                f"{tb_frame.f_code.co_filename}:{tb_frame.f_code.co_firstlineno}"
+            )
+            sensitive_variables = coroutine_functions_to_sensitive_variables.get(
+                key, None
+            )
+
+        if sensitive_variables is None:
+            # Loop through the frame's callers to see if the
+            # sensitive_variables decorator was used.
+            current_frame = tb_frame
+            while current_frame is not None:
+                if (
+                    current_frame.f_code.co_name == "sensitive_variables_wrapper"
+                    and "sensitive_variables_wrapper" in current_frame.f_locals
+                ):
+                    # The sensitive_variables decorator was used, so take note
+                    # of the sensitive variables' names.
+                    wrapper = current_frame.f_locals["sensitive_variables_wrapper"]
+                    sensitive_variables = getattr(wrapper, "sensitive_variables", None)
+                    break
+                current_frame = current_frame.f_back
+
+        cleansed = {}
+        if self.is_active(request) and sensitive_variables:
+            if sensitive_variables == "__ALL__":
+                # Cleanse all variables
+                for name in tb_frame.f_locals:
+                    cleansed[name] = self.cleansed_substitute
+            else:
+                # Cleanse specified variables
+                for name, value in tb_frame.f_locals.items():
+                    if name in sensitive_variables:
+                        value = self.cleansed_substitute
+                    else:
+                        value = self.cleanse_special_types(request, value)
+                    cleansed[name] = value
+        else:
+            # Potentially cleanse the request and any MultiValueDicts if they
+            # are one of the frame variables.
+            for name, value in tb_frame.f_locals.items():
+                cleansed[name] = self.cleanse_special_types(request, value)
+
+        if (
+            tb_frame.f_code.co_name == "sensitive_variables_wrapper"
+            and "sensitive_variables_wrapper" in tb_frame.f_locals
+        ):
+            # For good measure, obfuscate the decorated function's arguments in
+            # the sensitive_variables decorator's frame, in case the variables
+            # associated with those arguments were meant to be obfuscated from
+            # the decorated function's frame.
+            cleansed["func_args"] = self.cleansed_substitute
+            cleansed["func_kwargs"] = self.cleansed_substitute
+
+        return cleansed.items()
+
+
+class ExceptionReporter:
+    """Organize and coordinate reporting on exceptions."""
+
+    @property
+    def html_template_path(self):
+        return builtin_template_path("technical_500.html")
+
+    @property
+    def text_template_path(self):
+        return builtin_template_path("technical_500.txt")
+
+    def __init__(self, request, exc_type, exc_value, tb, is_email=False):
+        self.request = request
+        self.filter = get_exception_reporter_filter(self.request)
+        self.exc_type = exc_type
+        self.exc_value = exc_value
+        self.tb = tb
+        self.is_email = is_email
+
+        self.template_info = getattr(self.exc_value, "template_debug", None)
+        self.template_does_not_exist = False
+        self.postmortem = None
+
+    def _get_raw_insecure_uri(self):
+        """
+        Return an absolute URI from variables available in this request. Skip
+        allowed hosts protection, so may return insecure URI.
+        """
+        return "{scheme}://{host}{path}".format(
+            scheme=self.request.scheme,
+            host=self.request._get_raw_host(),
+            path=self.request.get_full_path(),
+        )
+
+    def get_traceback_data(self):
+        """Return a dictionary containing traceback information."""
+        if self.exc_type and issubclass(self.exc_type, TemplateDoesNotExist):
+            self.template_does_not_exist = True
+            self.postmortem = self.exc_value.chain or [self.exc_value]
+
+        frames = self.get_traceback_frames()
+        for i, frame in enumerate(frames):
+            if "vars" in frame:
+                frame_vars = []
+                for k, v in frame["vars"]:
+                    v = pprint(v)
+                    # Trim large blobs of data
+                    if len(v) > 4096:
+                        v = "%s… <trimmed %d bytes string>" % (v[0:4096], len(v))
+                    frame_vars.append((k, v))
+                frame["vars"] = frame_vars
+            frames[i] = frame
+
+        unicode_hint = ""
+        if self.exc_type and issubclass(self.exc_type, UnicodeError):
+            start = getattr(self.exc_value, "start", None)
+            end = getattr(self.exc_value, "end", None)
+            if start is not None and end is not None:
+                unicode_str = self.exc_value.args[1]
+                unicode_hint = force_str(
+                    unicode_str[max(start - 5, 0) : min(end + 5, len(unicode_str))],
+                    "ascii",
+                    errors="replace",
+                )
+        from django import get_version
+
+        if self.request is None:
+            user_str = None
+        else:
+            try:
+                user_str = str(self.request.user)
+            except Exception:
+                # request.user may raise OperationalError if the database is
+                # unavailable, for example.
+                user_str = "[unable to retrieve the current user]"
+
+        c = {
+            "is_email": self.is_email,
+            "unicode_hint": unicode_hint,
+            "frames": frames,
+            "request": self.request,
+            "request_meta": self.filter.get_safe_request_meta(self.request),
+            "request_COOKIES_items": self.filter.get_safe_cookies(self.request).items(),
+            "user_str": user_str,
+            "filtered_POST_items": list(
+                self.filter.get_post_parameters(self.request).items()
+            ),
+            "settings": self.filter.get_safe_settings(),
+            "sys_executable": sys.executable,
+            "sys_version_info": "%d.%d.%d" % sys.version_info[0:3],
+            "server_time": timezone.now(),
+            "django_version_info": get_version(),
+            "sys_path": sys.path,
+            "template_info": self.template_info,
+            "template_does_not_exist": self.template_does_not_exist,
+            "postmortem": self.postmortem,
+        }
+        if self.request is not None:
+            c["request_GET_items"] = self.request.GET.items()
+            c["request_FILES_items"] = self.request.FILES.items()
+            c["request_insecure_uri"] = self._get_raw_insecure_uri()
+            c["raising_view_name"] = get_caller(self.request)
+
+        # Check whether exception info is available
+        if self.exc_type:
+            c["exception_type"] = self.exc_type.__name__
+        if self.exc_value:
+            c["exception_value"] = str(self.exc_value)
+            if exc_notes := getattr(self.exc_value, "__notes__", None):
+                c["exception_notes"] = "\n" + "\n".join(exc_notes)
+        if frames:
+            c["lastframe"] = frames[-1]
+        return c
+
+    def get_traceback_html(self):
+        """Return HTML version of debug 500 HTTP error page."""
+        with self.html_template_path.open(encoding="utf-8") as fh:
+            t = DEBUG_ENGINE.from_string(fh.read())
+        c = Context(self.get_traceback_data(), use_l10n=False)
+        return t.render(c)
+
+    def get_traceback_text(self):
+        """Return plain text version of debug 500 HTTP error page."""
+        with self.text_template_path.open(encoding="utf-8") as fh:
+            t = DEBUG_ENGINE.from_string(fh.read())
+        c = Context(self.get_traceback_data(), autoescape=False, use_l10n=False)
+        return t.render(c)
+
+    def _get_source(self, filename, loader, module_name):
+        source = None
+        if hasattr(loader, "get_source"):
+            try:
+                source = loader.get_source(module_name)
+            except ImportError:
+                pass
+            if source is not None:
+                source = source.splitlines()
+        if source is None:
+            try:
+                with open(filename, "rb") as fp:
+                    source = fp.read().splitlines()
+            except OSError:
+                pass
+        return source
+
+    def _get_lines_from_file(
+        self, filename, lineno, context_lines, loader=None, module_name=None
+    ):
+        """
+        Return context_lines before and after lineno from file.
+        Return (pre_context_lineno, pre_context, context_line, post_context).
+        """
+        source = self._get_source(filename, loader, module_name)
+        if source is None:
+            return None, [], None, []
+
+        # If we just read the source from a file, or if the loader did not
+        # apply tokenize.detect_encoding to decode the source into a
+        # string, then we should do that ourselves.
+        if isinstance(source[0], bytes):
+            encoding = "ascii"
+            for line in source[:2]:
+                # File coding may be specified. Match pattern from PEP-263
+                # (https://www.python.org/dev/peps/pep-0263/)
+                match = re.search(rb"coding[:=]\s*([-\w.]+)", line)
+                if match:
+                    encoding = match[1].decode("ascii")
+                    break
+            source = [str(sline, encoding, "replace") for sline in source]
+
+        lower_bound = max(0, lineno - context_lines)
+        upper_bound = lineno + context_lines
+
+        try:
+            pre_context = source[lower_bound:lineno]
+            context_line = source[lineno]
+            post_context = source[lineno + 1 : upper_bound]
+        except IndexError:
+            return None, [], None, []
+        return lower_bound, pre_context, context_line, post_context
+
+    def _get_explicit_or_implicit_cause(self, exc_value):
+        explicit = getattr(exc_value, "__cause__", None)
+        suppress_context = getattr(exc_value, "__suppress_context__", None)
+        implicit = getattr(exc_value, "__context__", None)
+        return explicit or (None if suppress_context else implicit)
+
+    def get_traceback_frames(self):
+        # Get the exception and all its causes
+        exceptions = []
+        exc_value = self.exc_value
+        while exc_value:
+            exceptions.append(exc_value)
+            exc_value = self._get_explicit_or_implicit_cause(exc_value)
+            if exc_value in exceptions:
+                warnings.warn(
+                    "Cycle in the exception chain detected: exception '%s' "
+                    "encountered again." % exc_value,
+                    ExceptionCycleWarning,
+                )
+                # Avoid infinite loop if there's a cyclic reference (#29393).
+                break
+
+        frames = []
+        # No exceptions were supplied to ExceptionReporter
+        if not exceptions:
+            return frames
+
+        # In case there's just one exception, take the traceback from self.tb
+        exc_value = exceptions.pop()
+        tb = self.tb if not exceptions else exc_value.__traceback__
+        while True:
+            frames.extend(self.get_exception_traceback_frames(exc_value, tb))
+            try:
+                exc_value = exceptions.pop()
+            except IndexError:
+                break
+            tb = exc_value.__traceback__
+        return frames
+
+    def get_exception_traceback_frames(self, exc_value, tb):
+        exc_cause = self._get_explicit_or_implicit_cause(exc_value)
+        exc_cause_explicit = getattr(exc_value, "__cause__", True)
+        if tb is None:
+            yield {
+                "exc_cause": exc_cause,
+                "exc_cause_explicit": exc_cause_explicit,
+                "tb": None,
+                "type": "user",
+            }
+        while tb is not None:
+            # Support for __traceback_hide__ which is used by a few libraries
+            # to hide internal frames.
+            if tb.tb_frame.f_locals.get("__traceback_hide__"):
+                tb = tb.tb_next
+                continue
+            filename = tb.tb_frame.f_code.co_filename
+            function = tb.tb_frame.f_code.co_name
+            lineno = tb.tb_lineno - 1
+            loader = tb.tb_frame.f_globals.get("__loader__")
+            module_name = tb.tb_frame.f_globals.get("__name__") or ""
+            (
+                pre_context_lineno,
+                pre_context,
+                context_line,
+                post_context,
+            ) = self._get_lines_from_file(
+                filename,
+                lineno,
+                7,
+                loader,
+                module_name,
+            )
+            if pre_context_lineno is None:
+                pre_context_lineno = lineno
+                pre_context = []
+                context_line = "<source code not available>"
+                post_context = []
+
+            colno = tb_area_colno = ""
+            if PY311:
+                _, _, start_column, end_column = next(
+                    itertools.islice(
+                        tb.tb_frame.f_code.co_positions(), tb.tb_lasti // 2, None
+                    )
+                )
+                if start_column and end_column:
+                    underline = "^" * (end_column - start_column)
+                    spaces = " " * (start_column + len(str(lineno + 1)) + 2)
+                    colno = f"\n{spaces}{underline}"
+                    tb_area_spaces = " " * (
+                        4
+                        + start_column
+                        - (len(context_line) - len(context_line.lstrip()))
+                    )
+                    tb_area_colno = f"\n{tb_area_spaces}{underline}"
+            yield {
+                "exc_cause": exc_cause,
+                "exc_cause_explicit": exc_cause_explicit,
+                "tb": tb,
+                "type": "django" if module_name.startswith("django.") else "user",
+                "filename": filename,
+                "function": function,
+                "lineno": lineno + 1,
+                "vars": self.filter.get_traceback_frame_variables(
+                    self.request, tb.tb_frame
+                ),
+                "id": id(tb),
+                "pre_context": pre_context,
+                "context_line": context_line,
+                "post_context": post_context,
+                "pre_context_lineno": pre_context_lineno + 1,
+                "colno": colno,
+                "tb_area_colno": tb_area_colno,
+            }
+            tb = tb.tb_next
+
+
+def technical_404_response(request, exception):
+    """Create a technical 404 error response. `exception` is the Http404."""
+    try:
+        error_url = exception.args[0]["path"]
+    except (IndexError, TypeError, KeyError):
+        error_url = request.path_info[1:]  # Trim leading slash
+
+    try:
+        tried = exception.args[0]["tried"]
+    except (IndexError, TypeError, KeyError):
+        resolved = True
+        tried = request.resolver_match.tried if request.resolver_match else None
+    else:
+        resolved = False
+        if not tried or (  # empty URLconf
+            request.path == "/"
+            and len(tried) == 1
+            and len(tried[0]) == 1  # default URLconf
+            and getattr(tried[0][0], "app_name", "")
+            == getattr(tried[0][0], "namespace", "")
+            == "admin"
+        ):
+            return default_urlconf(request)
+
+    urlconf = getattr(request, "urlconf", settings.ROOT_URLCONF)
+    if isinstance(urlconf, types.ModuleType):
+        urlconf = urlconf.__name__
+
+    with builtin_template_path("technical_404.html").open(encoding="utf-8") as fh:
+        t = DEBUG_ENGINE.from_string(fh.read())
+    reporter_filter = get_default_exception_reporter_filter()
+    c = Context(
+        {
+            "urlconf": urlconf,
+            "root_urlconf": settings.ROOT_URLCONF,
+            "request_path": error_url,
+            "urlpatterns": tried,
+            "resolved": resolved,
+            "reason": str(exception),
+            "request": request,
+            "settings": reporter_filter.get_safe_settings(),
+            "raising_view_name": get_caller(request),
+        }
+    )
+    return HttpResponseNotFound(t.render(c))
+
+
+def default_urlconf(request):
+    """Create an empty URLconf 404 error response."""
+    with builtin_template_path("default_urlconf.html").open(encoding="utf-8") as fh:
+        t = DEBUG_ENGINE.from_string(fh.read())
+    c = Context(
+        {
+            "version": get_docs_version(),
+        }
+    )
+
+    return HttpResponse(t.render(c))
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/cache.py
new file mode 100644
index 00000000..aa1679ba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/cache.py
@@ -0,0 +1,84 @@
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction
+
+from django.middleware.cache import CacheMiddleware
+from django.utils.cache import add_never_cache_headers, patch_cache_control
+from django.utils.decorators import decorator_from_middleware_with_args
+
+
+def cache_page(timeout, *, cache=None, key_prefix=None):
+    """
+    Decorator for views that tries getting the page from the cache and
+    populates the cache if the page isn't in the cache yet.
+
+    The cache is keyed by the URL and some data from the headers.
+    Additionally there is the key prefix that is used to distinguish different
+    cache areas in a multi-site setup. You could use the
+    get_current_site().domain, for example, as that is unique across a Django
+    project.
+
+    Additionally, all headers from the response's Vary header will be taken
+    into account on caching -- just like the middleware does.
+    """
+    return decorator_from_middleware_with_args(CacheMiddleware)(
+        page_timeout=timeout,
+        cache_alias=cache,
+        key_prefix=key_prefix,
+    )
+
+
+def _check_request(request, decorator_name):
+    # Ensure argument looks like a request.
+    if not hasattr(request, "META"):
+        raise TypeError(
+            f"{decorator_name} didn't receive an HttpRequest. If you are "
+            "decorating a classmethod, be sure to use @method_decorator."
+        )
+
+
+def cache_control(**kwargs):
+    def _cache_controller(viewfunc):
+        if iscoroutinefunction(viewfunc):
+
+            async def _view_wrapper(request, *args, **kw):
+                _check_request(request, "cache_control")
+                response = await viewfunc(request, *args, **kw)
+                patch_cache_control(response, **kwargs)
+                return response
+
+        else:
+
+            def _view_wrapper(request, *args, **kw):
+                _check_request(request, "cache_control")
+                response = viewfunc(request, *args, **kw)
+                patch_cache_control(response, **kwargs)
+                return response
+
+        return wraps(viewfunc)(_view_wrapper)
+
+    return _cache_controller
+
+
+def never_cache(view_func):
+    """
+    Decorator that adds headers to a response so that it will never be cached.
+    """
+
+    if iscoroutinefunction(view_func):
+
+        async def _view_wrapper(request, *args, **kwargs):
+            _check_request(request, "never_cache")
+            response = await view_func(request, *args, **kwargs)
+            add_never_cache_headers(response)
+            return response
+
+    else:
+
+        def _view_wrapper(request, *args, **kwargs):
+            _check_request(request, "never_cache")
+            response = view_func(request, *args, **kwargs)
+            add_never_cache_headers(response)
+            return response
+
+    return wraps(view_func)(_view_wrapper)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/clickjacking.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/clickjacking.py
new file mode 100644
index 00000000..c20fa59d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/clickjacking.py
@@ -0,0 +1,90 @@
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction
+
+
+def xframe_options_deny(view_func):
+    """
+    Modify a view function so its response has the X-Frame-Options HTTP
+    header set to 'DENY' as long as the response doesn't already have that
+    header set. Usage:
+
+    @xframe_options_deny
+    def some_view(request):
+        ...
+    """
+
+    if iscoroutinefunction(view_func):
+
+        async def _view_wrapper(*args, **kwargs):
+            response = await view_func(*args, **kwargs)
+            if response.get("X-Frame-Options") is None:
+                response["X-Frame-Options"] = "DENY"
+            return response
+
+    else:
+
+        def _view_wrapper(*args, **kwargs):
+            response = view_func(*args, **kwargs)
+            if response.get("X-Frame-Options") is None:
+                response["X-Frame-Options"] = "DENY"
+            return response
+
+    return wraps(view_func)(_view_wrapper)
+
+
+def xframe_options_sameorigin(view_func):
+    """
+    Modify a view function so its response has the X-Frame-Options HTTP
+    header set to 'SAMEORIGIN' as long as the response doesn't already have
+    that header set. Usage:
+
+    @xframe_options_sameorigin
+    def some_view(request):
+        ...
+    """
+
+    if iscoroutinefunction(view_func):
+
+        async def _view_wrapper(*args, **kwargs):
+            response = await view_func(*args, **kwargs)
+            if response.get("X-Frame-Options") is None:
+                response["X-Frame-Options"] = "SAMEORIGIN"
+            return response
+
+    else:
+
+        def _view_wrapper(*args, **kwargs):
+            response = view_func(*args, **kwargs)
+            if response.get("X-Frame-Options") is None:
+                response["X-Frame-Options"] = "SAMEORIGIN"
+            return response
+
+    return wraps(view_func)(_view_wrapper)
+
+
+def xframe_options_exempt(view_func):
+    """
+    Modify a view function by setting a response variable that instructs
+    XFrameOptionsMiddleware to NOT set the X-Frame-Options HTTP header. Usage:
+
+    @xframe_options_exempt
+    def some_view(request):
+        ...
+    """
+
+    if iscoroutinefunction(view_func):
+
+        async def _view_wrapper(*args, **kwargs):
+            response = await view_func(*args, **kwargs)
+            response.xframe_options_exempt = True
+            return response
+
+    else:
+
+        def _view_wrapper(*args, **kwargs):
+            response = view_func(*args, **kwargs)
+            response.xframe_options_exempt = True
+            return response
+
+    return wraps(view_func)(_view_wrapper)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/common.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/common.py
new file mode 100644
index 00000000..d09b0bfe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/common.py
@@ -0,0 +1,27 @@
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction
+
+
+def no_append_slash(view_func):
+    """
+    Mark a view function as excluded from CommonMiddleware's APPEND_SLASH
+    redirection.
+    """
+
+    # view_func.should_append_slash = False would also work, but decorators are
+    # nicer if they don't have side effects, so return a new function.
+
+    if iscoroutinefunction(view_func):
+
+        async def _view_wrapper(request, *args, **kwargs):
+            return await view_func(request, *args, **kwargs)
+
+    else:
+
+        def _view_wrapper(request, *args, **kwargs):
+            return view_func(request, *args, **kwargs)
+
+    _view_wrapper.should_append_slash = False
+
+    return wraps(view_func)(_view_wrapper)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/csrf.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/csrf.py
new file mode 100644
index 00000000..4b8b8804
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/csrf.py
@@ -0,0 +1,69 @@
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction
+
+from django.middleware.csrf import CsrfViewMiddleware, get_token
+from django.utils.decorators import decorator_from_middleware
+
+csrf_protect = decorator_from_middleware(CsrfViewMiddleware)
+csrf_protect.__name__ = "csrf_protect"
+csrf_protect.__doc__ = """
+This decorator adds CSRF protection in exactly the same way as
+CsrfViewMiddleware, but it can be used on a per view basis.  Using both, or
+using the decorator multiple times, is harmless and efficient.
+"""
+
+
+class _EnsureCsrfToken(CsrfViewMiddleware):
+    # Behave like CsrfViewMiddleware but don't reject requests or log warnings.
+    def _reject(self, request, reason):
+        return None
+
+
+requires_csrf_token = decorator_from_middleware(_EnsureCsrfToken)
+requires_csrf_token.__name__ = "requires_csrf_token"
+requires_csrf_token.__doc__ = """
+Use this decorator on views that need a correct csrf_token available to
+RequestContext, but without the CSRF protection that csrf_protect
+enforces.
+"""
+
+
+class _EnsureCsrfCookie(CsrfViewMiddleware):
+    def _reject(self, request, reason):
+        return None
+
+    def process_view(self, request, callback, callback_args, callback_kwargs):
+        retval = super().process_view(request, callback, callback_args, callback_kwargs)
+        # Force process_response to send the cookie
+        get_token(request)
+        return retval
+
+
+ensure_csrf_cookie = decorator_from_middleware(_EnsureCsrfCookie)
+ensure_csrf_cookie.__name__ = "ensure_csrf_cookie"
+ensure_csrf_cookie.__doc__ = """
+Use this decorator to ensure that a view sets a CSRF cookie, whether or not it
+uses the csrf_token template tag, or the CsrfViewMiddleware is used.
+"""
+
+
+def csrf_exempt(view_func):
+    """Mark a view function as being exempt from the CSRF view protection."""
+
+    # view_func.csrf_exempt = True would also work, but decorators are nicer
+    # if they don't have side effects, so return a new function.
+
+    if iscoroutinefunction(view_func):
+
+        async def _view_wrapper(request, *args, **kwargs):
+            return await view_func(request, *args, **kwargs)
+
+    else:
+
+        def _view_wrapper(request, *args, **kwargs):
+            return view_func(request, *args, **kwargs)
+
+    _view_wrapper.csrf_exempt = True
+
+    return wraps(view_func)(_view_wrapper)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/debug.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/debug.py
new file mode 100644
index 00000000..3b868bcf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/debug.py
@@ -0,0 +1,147 @@
+import inspect
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction
+
+from django.http import HttpRequest
+
+coroutine_functions_to_sensitive_variables = {}
+
+
+def sensitive_variables(*variables):
+    """
+    Indicate which variables used in the decorated function are sensitive so
+    that those variables can later be treated in a special way, for example
+    by hiding them when logging unhandled exceptions.
+
+    Accept two forms:
+
+    * with specified variable names:
+
+        @sensitive_variables('user', 'password', 'credit_card')
+        def my_function(user):
+            password = user.pass_word
+            credit_card = user.credit_card_number
+            ...
+
+    * without any specified variable names, in which case consider all
+      variables are sensitive:
+
+        @sensitive_variables()
+        def my_function()
+            ...
+    """
+    if len(variables) == 1 and callable(variables[0]):
+        raise TypeError(
+            "sensitive_variables() must be called to use it as a decorator, "
+            "e.g., use @sensitive_variables(), not @sensitive_variables."
+        )
+
+    def decorator(func):
+        if iscoroutinefunction(func):
+            sensitive_variables_wrapper = func
+
+            wrapped_func = func
+            while getattr(wrapped_func, "__wrapped__", None) is not None:
+                wrapped_func = wrapped_func.__wrapped__
+
+            try:
+                file_path = inspect.getfile(wrapped_func)
+            except TypeError:  # Raises for builtins or native functions.
+                raise ValueError(
+                    f"{func.__name__} cannot safely be wrapped by "
+                    "@sensitive_variables, make it either non-async or defined in a "
+                    "Python file (not a builtin or from a native extension)."
+                )
+            else:
+                # A source file may not be available (e.g. in .pyc-only builds),
+                # use the first line number instead.
+                first_line_number = wrapped_func.__code__.co_firstlineno
+                key = hash(f"{file_path}:{first_line_number}")
+
+            if variables:
+                coroutine_functions_to_sensitive_variables[key] = variables
+            else:
+                coroutine_functions_to_sensitive_variables[key] = "__ALL__"
+
+        else:
+
+            @wraps(func)
+            def sensitive_variables_wrapper(*func_args, **func_kwargs):
+                if variables:
+                    sensitive_variables_wrapper.sensitive_variables = variables
+                else:
+                    sensitive_variables_wrapper.sensitive_variables = "__ALL__"
+                return func(*func_args, **func_kwargs)
+
+        return sensitive_variables_wrapper
+
+    return decorator
+
+
+def sensitive_post_parameters(*parameters):
+    """
+    Indicate which POST parameters used in the decorated view are sensitive,
+    so that those parameters can later be treated in a special way, for example
+    by hiding them when logging unhandled exceptions.
+
+    Accept two forms:
+
+    * with specified parameters:
+
+        @sensitive_post_parameters('password', 'credit_card')
+        def my_view(request):
+            pw = request.POST['password']
+            cc = request.POST['credit_card']
+            ...
+
+    * without any specified parameters, in which case consider all
+      variables are sensitive:
+
+        @sensitive_post_parameters()
+        def my_view(request)
+            ...
+    """
+    if len(parameters) == 1 and callable(parameters[0]):
+        raise TypeError(
+            "sensitive_post_parameters() must be called to use it as a "
+            "decorator, e.g., use @sensitive_post_parameters(), not "
+            "@sensitive_post_parameters."
+        )
+
+    def decorator(view):
+        if iscoroutinefunction(view):
+
+            @wraps(view)
+            async def sensitive_post_parameters_wrapper(request, *args, **kwargs):
+                if not isinstance(request, HttpRequest):
+                    raise TypeError(
+                        "sensitive_post_parameters didn't receive an HttpRequest "
+                        "object. If you are decorating a classmethod, make sure to use "
+                        "@method_decorator."
+                    )
+                if parameters:
+                    request.sensitive_post_parameters = parameters
+                else:
+                    request.sensitive_post_parameters = "__ALL__"
+                return await view(request, *args, **kwargs)
+
+        else:
+
+            @wraps(view)
+            def sensitive_post_parameters_wrapper(request, *args, **kwargs):
+                if not isinstance(request, HttpRequest):
+                    raise TypeError(
+                        "sensitive_post_parameters didn't receive an HttpRequest "
+                        "object. If you are decorating a classmethod, make sure to use "
+                        "@method_decorator."
+                    )
+                if parameters:
+                    request.sensitive_post_parameters = parameters
+                else:
+                    request.sensitive_post_parameters = "__ALL__"
+                return view(request, *args, **kwargs)
+
+        return sensitive_post_parameters_wrapper
+
+    return decorator
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/gzip.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/gzip.py
new file mode 100644
index 00000000..96d6aa80
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/gzip.py
@@ -0,0 +1,5 @@
+from django.middleware.gzip import GZipMiddleware
+from django.utils.decorators import decorator_from_middleware
+
+gzip_page = decorator_from_middleware(GZipMiddleware)
+gzip_page.__doc__ = "Decorator for views that gzips pages if the client supports it."
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/http.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/http.py
new file mode 100644
index 00000000..a4c1ebc3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/http.py
@@ -0,0 +1,169 @@
+"""
+Decorators for views based on HTTP headers.
+"""
+
+import datetime
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction
+
+from django.http import HttpResponseNotAllowed
+from django.middleware.http import ConditionalGetMiddleware
+from django.utils import timezone
+from django.utils.cache import get_conditional_response
+from django.utils.decorators import decorator_from_middleware
+from django.utils.http import http_date, quote_etag
+from django.utils.log import log_response
+
+conditional_page = decorator_from_middleware(ConditionalGetMiddleware)
+
+
+def require_http_methods(request_method_list):
+    """
+    Decorator to make a view only accept particular request methods.  Usage::
+
+        @require_http_methods(["GET", "POST"])
+        def my_view(request):
+            # I can assume now that only GET or POST requests make it this far
+            # ...
+
+    Note that request methods should be in uppercase.
+    """
+
+    def decorator(func):
+        if iscoroutinefunction(func):
+
+            @wraps(func)
+            async def inner(request, *args, **kwargs):
+                if request.method not in request_method_list:
+                    response = HttpResponseNotAllowed(request_method_list)
+                    log_response(
+                        "Method Not Allowed (%s): %s",
+                        request.method,
+                        request.path,
+                        response=response,
+                        request=request,
+                    )
+                    return response
+                return await func(request, *args, **kwargs)
+
+        else:
+
+            @wraps(func)
+            def inner(request, *args, **kwargs):
+                if request.method not in request_method_list:
+                    response = HttpResponseNotAllowed(request_method_list)
+                    log_response(
+                        "Method Not Allowed (%s): %s",
+                        request.method,
+                        request.path,
+                        response=response,
+                        request=request,
+                    )
+                    return response
+                return func(request, *args, **kwargs)
+
+        return inner
+
+    return decorator
+
+
+require_GET = require_http_methods(["GET"])
+require_GET.__doc__ = "Decorator to require that a view only accepts the GET method."
+
+require_POST = require_http_methods(["POST"])
+require_POST.__doc__ = "Decorator to require that a view only accepts the POST method."
+
+require_safe = require_http_methods(["GET", "HEAD"])
+require_safe.__doc__ = (
+    "Decorator to require that a view only accepts safe methods: GET and HEAD."
+)
+
+
+def condition(etag_func=None, last_modified_func=None):
+    """
+    Decorator to support conditional retrieval (or change) for a view
+    function.
+
+    The parameters are callables to compute the ETag and last modified time for
+    the requested resource, respectively. The callables are passed the same
+    parameters as the view itself. The ETag function should return a string (or
+    None if the resource doesn't exist), while the last_modified function
+    should return a datetime object (or None if the resource doesn't exist).
+
+    The ETag function should return a complete ETag, including quotes (e.g.
+    '"etag"'), since that's the only way to distinguish between weak and strong
+    ETags. If an unquoted ETag is returned (e.g. 'etag'), it will be converted
+    to a strong ETag by adding quotes.
+
+    This decorator will either pass control to the wrapped view function or
+    return an HTTP 304 response (unmodified) or 412 response (precondition
+    failed), depending upon the request method. In either case, the decorator
+    will add the generated ETag and Last-Modified headers to the response if
+    the headers aren't already set and if the request's method is safe.
+    """
+
+    def decorator(func):
+        def _pre_process_request(request, *args, **kwargs):
+            # Compute values (if any) for the requested resource.
+            res_last_modified = None
+            if last_modified_func:
+                if dt := last_modified_func(request, *args, **kwargs):
+                    if not timezone.is_aware(dt):
+                        dt = timezone.make_aware(dt, datetime.timezone.utc)
+                    res_last_modified = int(dt.timestamp())
+            # The value from etag_func() could be quoted or unquoted.
+            res_etag = etag_func(request, *args, **kwargs) if etag_func else None
+            res_etag = quote_etag(res_etag) if res_etag is not None else None
+            response = get_conditional_response(
+                request,
+                etag=res_etag,
+                last_modified=res_last_modified,
+            )
+            return response, res_etag, res_last_modified
+
+        def _post_process_request(request, response, res_etag, res_last_modified):
+            # Set relevant headers on the response if they don't already exist
+            # and if the request method is safe.
+            if request.method in ("GET", "HEAD"):
+                if res_last_modified and not response.has_header("Last-Modified"):
+                    response.headers["Last-Modified"] = http_date(res_last_modified)
+                if res_etag:
+                    response.headers.setdefault("ETag", res_etag)
+
+        if iscoroutinefunction(func):
+
+            @wraps(func)
+            async def inner(request, *args, **kwargs):
+                response, res_etag, res_last_modified = _pre_process_request(
+                    request, *args, **kwargs
+                )
+                if response is None:
+                    response = await func(request, *args, **kwargs)
+                _post_process_request(request, response, res_etag, res_last_modified)
+                return response
+
+        else:
+
+            @wraps(func)
+            def inner(request, *args, **kwargs):
+                response, res_etag, res_last_modified = _pre_process_request(
+                    request, *args, **kwargs
+                )
+                if response is None:
+                    response = func(request, *args, **kwargs)
+                _post_process_request(request, response, res_etag, res_last_modified)
+                return response
+
+        return inner
+
+    return decorator
+
+
+# Shortcut decorators for common cases based on ETag or Last-Modified only
+def etag(etag_func):
+    return condition(etag_func=etag_func)
+
+
+def last_modified(last_modified_func):
+    return condition(last_modified_func=last_modified_func)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/vary.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/vary.py
new file mode 100644
index 00000000..9beab8b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/decorators/vary.py
@@ -0,0 +1,44 @@
+from functools import wraps
+
+from asgiref.sync import iscoroutinefunction
+
+from django.utils.cache import patch_vary_headers
+
+
+def vary_on_headers(*headers):
+    """
+    A view decorator that adds the specified headers to the Vary header of the
+    response. Usage:
+
+       @vary_on_headers('Cookie', 'Accept-language')
+       def index(request):
+           ...
+
+    Note that the header names are not case-sensitive.
+    """
+
+    def decorator(func):
+        if iscoroutinefunction(func):
+
+            async def _view_wrapper(request, *args, **kwargs):
+                response = await func(request, *args, **kwargs)
+                patch_vary_headers(response, headers)
+                return response
+
+        else:
+
+            def _view_wrapper(request, *args, **kwargs):
+                response = func(request, *args, **kwargs)
+                patch_vary_headers(response, headers)
+                return response
+
+        return wraps(func)(_view_wrapper)
+
+    return decorator
+
+
+vary_on_cookie = vary_on_headers("Cookie")
+vary_on_cookie.__doc__ = (
+    'A view decorator that adds "Cookie" to the Vary header of a response. This '
+    "indicates that a page's contents depends on cookies."
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/defaults.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/defaults.py
new file mode 100644
index 00000000..ccad802a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/defaults.py
@@ -0,0 +1,149 @@
+from urllib.parse import quote
+
+from django.http import (
+    HttpResponseBadRequest,
+    HttpResponseForbidden,
+    HttpResponseNotFound,
+    HttpResponseServerError,
+)
+from django.template import Context, Engine, TemplateDoesNotExist, loader
+from django.views.decorators.csrf import requires_csrf_token
+
+ERROR_404_TEMPLATE_NAME = "404.html"
+ERROR_403_TEMPLATE_NAME = "403.html"
+ERROR_400_TEMPLATE_NAME = "400.html"
+ERROR_500_TEMPLATE_NAME = "500.html"
+ERROR_PAGE_TEMPLATE = """
+<!doctype html>
+<html lang="en">
+<head>
+  <title>%(title)s</title>
+</head>
+<body>
+  <h1>%(title)s</h1><p>%(details)s</p>
+</body>
+</html>
+"""
+
+
+# These views can be called when CsrfViewMiddleware.process_view() not run,
+# therefore need @requires_csrf_token in case the template needs
+# {% csrf_token %}.
+
+
+@requires_csrf_token
+def page_not_found(request, exception, template_name=ERROR_404_TEMPLATE_NAME):
+    """
+    Default 404 handler.
+
+    Templates: :template:`404.html`
+    Context:
+        request_path
+            The path of the requested URL (e.g., '/app/pages/bad_page/'). It's
+            quoted to prevent a content injection attack.
+        exception
+            The message from the exception which triggered the 404 (if one was
+            supplied), or the exception class name
+    """
+    exception_repr = exception.__class__.__name__
+    # Try to get an "interesting" exception message, if any (and not the ugly
+    # Resolver404 dictionary)
+    try:
+        message = exception.args[0]
+    except (AttributeError, IndexError):
+        pass
+    else:
+        if isinstance(message, str):
+            exception_repr = message
+    context = {
+        "request_path": quote(request.path),
+        "exception": exception_repr,
+    }
+    try:
+        template = loader.get_template(template_name)
+        body = template.render(context, request)
+    except TemplateDoesNotExist:
+        if template_name != ERROR_404_TEMPLATE_NAME:
+            # Reraise if it's a missing custom template.
+            raise
+        # Render template (even though there are no substitutions) to allow
+        # inspecting the context in tests.
+        template = Engine().from_string(
+            ERROR_PAGE_TEMPLATE
+            % {
+                "title": "Not Found",
+                "details": "The requested resource was not found on this server.",
+            },
+        )
+        body = template.render(Context(context))
+    return HttpResponseNotFound(body)
+
+
+@requires_csrf_token
+def server_error(request, template_name=ERROR_500_TEMPLATE_NAME):
+    """
+    500 error handler.
+
+    Templates: :template:`500.html`
+    Context: None
+    """
+    try:
+        template = loader.get_template(template_name)
+    except TemplateDoesNotExist:
+        if template_name != ERROR_500_TEMPLATE_NAME:
+            # Reraise if it's a missing custom template.
+            raise
+        return HttpResponseServerError(
+            ERROR_PAGE_TEMPLATE % {"title": "Server Error (500)", "details": ""},
+        )
+    return HttpResponseServerError(template.render())
+
+
+@requires_csrf_token
+def bad_request(request, exception, template_name=ERROR_400_TEMPLATE_NAME):
+    """
+    400 error handler.
+
+    Templates: :template:`400.html`
+    Context: None
+    """
+    try:
+        template = loader.get_template(template_name)
+    except TemplateDoesNotExist:
+        if template_name != ERROR_400_TEMPLATE_NAME:
+            # Reraise if it's a missing custom template.
+            raise
+        return HttpResponseBadRequest(
+            ERROR_PAGE_TEMPLATE % {"title": "Bad Request (400)", "details": ""},
+        )
+    # No exception content is passed to the template, to not disclose any
+    # sensitive information.
+    return HttpResponseBadRequest(template.render())
+
+
+@requires_csrf_token
+def permission_denied(request, exception, template_name=ERROR_403_TEMPLATE_NAME):
+    """
+    Permission denied (403) handler.
+
+    Templates: :template:`403.html`
+    Context:
+        exception
+            The message from the exception which triggered the 403 (if one was
+            supplied).
+
+    If the template does not exist, an Http403 response containing the text
+    "403 Forbidden" (as per RFC 9110 Section 15.5.4) will be returned.
+    """
+    try:
+        template = loader.get_template(template_name)
+    except TemplateDoesNotExist:
+        if template_name != ERROR_403_TEMPLATE_NAME:
+            # Reraise if it's a missing custom template.
+            raise
+        return HttpResponseForbidden(
+            ERROR_PAGE_TEMPLATE % {"title": "403 Forbidden", "details": ""},
+        )
+    return HttpResponseForbidden(
+        template.render(request=request, context={"exception": str(exception)})
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/__init__.py
new file mode 100644
index 00000000..8514bae5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/__init__.py
@@ -0,0 +1,39 @@
+from django.views.generic.base import RedirectView, TemplateView, View
+from django.views.generic.dates import (
+    ArchiveIndexView,
+    DateDetailView,
+    DayArchiveView,
+    MonthArchiveView,
+    TodayArchiveView,
+    WeekArchiveView,
+    YearArchiveView,
+)
+from django.views.generic.detail import DetailView
+from django.views.generic.edit import CreateView, DeleteView, FormView, UpdateView
+from django.views.generic.list import ListView
+
+__all__ = [
+    "View",
+    "TemplateView",
+    "RedirectView",
+    "ArchiveIndexView",
+    "YearArchiveView",
+    "MonthArchiveView",
+    "WeekArchiveView",
+    "DayArchiveView",
+    "TodayArchiveView",
+    "DateDetailView",
+    "DetailView",
+    "FormView",
+    "CreateView",
+    "UpdateView",
+    "DeleteView",
+    "ListView",
+    "GenericViewError",
+]
+
+
+class GenericViewError(Exception):
+    """A problem in a generic view."""
+
+    pass
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/base.py
new file mode 100644
index 00000000..8f8f9397
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/base.py
@@ -0,0 +1,285 @@
+import logging
+
+from asgiref.sync import iscoroutinefunction, markcoroutinefunction
+
+from django.core.exceptions import ImproperlyConfigured
+from django.http import (
+    HttpResponse,
+    HttpResponseGone,
+    HttpResponseNotAllowed,
+    HttpResponsePermanentRedirect,
+    HttpResponseRedirect,
+)
+from django.template.response import TemplateResponse
+from django.urls import reverse
+from django.utils.decorators import classonlymethod
+from django.utils.functional import classproperty
+
+logger = logging.getLogger("django.request")
+
+
+class ContextMixin:
+    """
+    A default context mixin that passes the keyword arguments received by
+    get_context_data() as the template context.
+    """
+
+    extra_context = None
+
+    def get_context_data(self, **kwargs):
+        kwargs.setdefault("view", self)
+        if self.extra_context is not None:
+            kwargs.update(self.extra_context)
+        return kwargs
+
+
+class View:
+    """
+    Intentionally simple parent class for all views. Only implements
+    dispatch-by-method and simple sanity checking.
+    """
+
+    http_method_names = [
+        "get",
+        "post",
+        "put",
+        "patch",
+        "delete",
+        "head",
+        "options",
+        "trace",
+    ]
+
+    def __init__(self, **kwargs):
+        """
+        Constructor. Called in the URLconf; can contain helpful extra
+        keyword arguments, and other things.
+        """
+        # Go through keyword arguments, and either save their values to our
+        # instance, or raise an error.
+        for key, value in kwargs.items():
+            setattr(self, key, value)
+
+    @classproperty
+    def view_is_async(cls):
+        handlers = [
+            getattr(cls, method)
+            for method in cls.http_method_names
+            if (method != "options" and hasattr(cls, method))
+        ]
+        if not handlers:
+            return False
+        is_async = iscoroutinefunction(handlers[0])
+        if not all(iscoroutinefunction(h) == is_async for h in handlers[1:]):
+            raise ImproperlyConfigured(
+                f"{cls.__qualname__} HTTP handlers must either be all sync or all "
+                "async."
+            )
+        return is_async
+
+    @classonlymethod
+    def as_view(cls, **initkwargs):
+        """Main entry point for a request-response process."""
+        for key in initkwargs:
+            if key in cls.http_method_names:
+                raise TypeError(
+                    "The method name %s is not accepted as a keyword argument "
+                    "to %s()." % (key, cls.__name__)
+                )
+            if not hasattr(cls, key):
+                raise TypeError(
+                    "%s() received an invalid keyword %r. as_view "
+                    "only accepts arguments that are already "
+                    "attributes of the class." % (cls.__name__, key)
+                )
+
+        def view(request, *args, **kwargs):
+            self = cls(**initkwargs)
+            self.setup(request, *args, **kwargs)
+            if not hasattr(self, "request"):
+                raise AttributeError(
+                    "%s instance has no 'request' attribute. Did you override "
+                    "setup() and forget to call super()?" % cls.__name__
+                )
+            return self.dispatch(request, *args, **kwargs)
+
+        view.view_class = cls
+        view.view_initkwargs = initkwargs
+
+        # __name__ and __qualname__ are intentionally left unchanged as
+        # view_class should be used to robustly determine the name of the view
+        # instead.
+        view.__doc__ = cls.__doc__
+        view.__module__ = cls.__module__
+        view.__annotations__ = cls.dispatch.__annotations__
+        # Copy possible attributes set by decorators, e.g. @csrf_exempt, from
+        # the dispatch method.
+        view.__dict__.update(cls.dispatch.__dict__)
+
+        # Mark the callback if the view class is async.
+        if cls.view_is_async:
+            markcoroutinefunction(view)
+
+        return view
+
+    def setup(self, request, *args, **kwargs):
+        """Initialize attributes shared by all view methods."""
+        if hasattr(self, "get") and not hasattr(self, "head"):
+            self.head = self.get
+        self.request = request
+        self.args = args
+        self.kwargs = kwargs
+
+    def dispatch(self, request, *args, **kwargs):
+        # Try to dispatch to the right method; if a method doesn't exist,
+        # defer to the error handler. Also defer to the error handler if the
+        # request method isn't on the approved list.
+        if request.method.lower() in self.http_method_names:
+            handler = getattr(
+                self, request.method.lower(), self.http_method_not_allowed
+            )
+        else:
+            handler = self.http_method_not_allowed
+        return handler(request, *args, **kwargs)
+
+    def http_method_not_allowed(self, request, *args, **kwargs):
+        logger.warning(
+            "Method Not Allowed (%s): %s",
+            request.method,
+            request.path,
+            extra={"status_code": 405, "request": request},
+        )
+        response = HttpResponseNotAllowed(self._allowed_methods())
+
+        if self.view_is_async:
+
+            async def func():
+                return response
+
+            return func()
+        else:
+            return response
+
+    def options(self, request, *args, **kwargs):
+        """Handle responding to requests for the OPTIONS HTTP verb."""
+        response = HttpResponse()
+        response.headers["Allow"] = ", ".join(self._allowed_methods())
+        response.headers["Content-Length"] = "0"
+
+        if self.view_is_async:
+
+            async def func():
+                return response
+
+            return func()
+        else:
+            return response
+
+    def _allowed_methods(self):
+        return [m.upper() for m in self.http_method_names if hasattr(self, m)]
+
+
+class TemplateResponseMixin:
+    """A mixin that can be used to render a template."""
+
+    template_name = None
+    template_engine = None
+    response_class = TemplateResponse
+    content_type = None
+
+    def render_to_response(self, context, **response_kwargs):
+        """
+        Return a response, using the `response_class` for this view, with a
+        template rendered with the given context.
+
+        Pass response_kwargs to the constructor of the response class.
+        """
+        response_kwargs.setdefault("content_type", self.content_type)
+        return self.response_class(
+            request=self.request,
+            template=self.get_template_names(),
+            context=context,
+            using=self.template_engine,
+            **response_kwargs,
+        )
+
+    def get_template_names(self):
+        """
+        Return a list of template names to be used for the request. Must return
+        a list. May not be called if render_to_response() is overridden.
+        """
+        if self.template_name is None:
+            raise ImproperlyConfigured(
+                "TemplateResponseMixin requires either a definition of "
+                "'template_name' or an implementation of 'get_template_names()'"
+            )
+        else:
+            return [self.template_name]
+
+
+class TemplateView(TemplateResponseMixin, ContextMixin, View):
+    """
+    Render a template. Pass keyword arguments from the URLconf to the context.
+    """
+
+    def get(self, request, *args, **kwargs):
+        context = self.get_context_data(**kwargs)
+        return self.render_to_response(context)
+
+
+class RedirectView(View):
+    """Provide a redirect on any GET request."""
+
+    permanent = False
+    url = None
+    pattern_name = None
+    query_string = False
+
+    def get_redirect_url(self, *args, **kwargs):
+        """
+        Return the URL redirect to. Keyword arguments from the URL pattern
+        match generating the redirect request are provided as kwargs to this
+        method.
+        """
+        if self.url:
+            url = self.url % kwargs
+        elif self.pattern_name:
+            url = reverse(self.pattern_name, args=args, kwargs=kwargs)
+        else:
+            return None
+
+        args = self.request.META.get("QUERY_STRING", "")
+        if args and self.query_string:
+            url = "%s?%s" % (url, args)
+        return url
+
+    def get(self, request, *args, **kwargs):
+        url = self.get_redirect_url(*args, **kwargs)
+        if url:
+            if self.permanent:
+                return HttpResponsePermanentRedirect(url)
+            else:
+                return HttpResponseRedirect(url)
+        else:
+            logger.warning(
+                "Gone: %s", request.path, extra={"status_code": 410, "request": request}
+            )
+            return HttpResponseGone()
+
+    def head(self, request, *args, **kwargs):
+        return self.get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        return self.get(request, *args, **kwargs)
+
+    def options(self, request, *args, **kwargs):
+        return self.get(request, *args, **kwargs)
+
+    def delete(self, request, *args, **kwargs):
+        return self.get(request, *args, **kwargs)
+
+    def put(self, request, *args, **kwargs):
+        return self.get(request, *args, **kwargs)
+
+    def patch(self, request, *args, **kwargs):
+        return self.get(request, *args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/dates.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/dates.py
new file mode 100644
index 00000000..d2b776c1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/dates.py
@@ -0,0 +1,795 @@
+import datetime
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.db import models
+from django.http import Http404
+from django.utils import timezone
+from django.utils.functional import cached_property
+from django.utils.translation import gettext as _
+from django.views.generic.base import View
+from django.views.generic.detail import (
+    BaseDetailView,
+    SingleObjectTemplateResponseMixin,
+)
+from django.views.generic.list import (
+    MultipleObjectMixin,
+    MultipleObjectTemplateResponseMixin,
+)
+
+
+class YearMixin:
+    """Mixin for views manipulating year-based data."""
+
+    year_format = "%Y"
+    year = None
+
+    def get_year_format(self):
+        """
+        Get a year format string in strptime syntax to be used to parse the
+        year from url variables.
+        """
+        return self.year_format
+
+    def get_year(self):
+        """Return the year for which this view should display data."""
+        year = self.year
+        if year is None:
+            try:
+                year = self.kwargs["year"]
+            except KeyError:
+                try:
+                    year = self.request.GET["year"]
+                except KeyError:
+                    raise Http404(_("No year specified"))
+        return year
+
+    def get_next_year(self, date):
+        """Get the next valid year."""
+        return _get_next_prev(self, date, is_previous=False, period="year")
+
+    def get_previous_year(self, date):
+        """Get the previous valid year."""
+        return _get_next_prev(self, date, is_previous=True, period="year")
+
+    def _get_next_year(self, date):
+        """
+        Return the start date of the next interval.
+
+        The interval is defined by start date <= item date < next start date.
+        """
+        try:
+            return date.replace(year=date.year + 1, month=1, day=1)
+        except ValueError:
+            raise Http404(_("Date out of range"))
+
+    def _get_current_year(self, date):
+        """Return the start date of the current interval."""
+        return date.replace(month=1, day=1)
+
+
+class MonthMixin:
+    """Mixin for views manipulating month-based data."""
+
+    month_format = "%b"
+    month = None
+
+    def get_month_format(self):
+        """
+        Get a month format string in strptime syntax to be used to parse the
+        month from url variables.
+        """
+        return self.month_format
+
+    def get_month(self):
+        """Return the month for which this view should display data."""
+        month = self.month
+        if month is None:
+            try:
+                month = self.kwargs["month"]
+            except KeyError:
+                try:
+                    month = self.request.GET["month"]
+                except KeyError:
+                    raise Http404(_("No month specified"))
+        return month
+
+    def get_next_month(self, date):
+        """Get the next valid month."""
+        return _get_next_prev(self, date, is_previous=False, period="month")
+
+    def get_previous_month(self, date):
+        """Get the previous valid month."""
+        return _get_next_prev(self, date, is_previous=True, period="month")
+
+    def _get_next_month(self, date):
+        """
+        Return the start date of the next interval.
+
+        The interval is defined by start date <= item date < next start date.
+        """
+        if date.month == 12:
+            try:
+                return date.replace(year=date.year + 1, month=1, day=1)
+            except ValueError:
+                raise Http404(_("Date out of range"))
+        else:
+            return date.replace(month=date.month + 1, day=1)
+
+    def _get_current_month(self, date):
+        """Return the start date of the previous interval."""
+        return date.replace(day=1)
+
+
+class DayMixin:
+    """Mixin for views manipulating day-based data."""
+
+    day_format = "%d"
+    day = None
+
+    def get_day_format(self):
+        """
+        Get a day format string in strptime syntax to be used to parse the day
+        from url variables.
+        """
+        return self.day_format
+
+    def get_day(self):
+        """Return the day for which this view should display data."""
+        day = self.day
+        if day is None:
+            try:
+                day = self.kwargs["day"]
+            except KeyError:
+                try:
+                    day = self.request.GET["day"]
+                except KeyError:
+                    raise Http404(_("No day specified"))
+        return day
+
+    def get_next_day(self, date):
+        """Get the next valid day."""
+        return _get_next_prev(self, date, is_previous=False, period="day")
+
+    def get_previous_day(self, date):
+        """Get the previous valid day."""
+        return _get_next_prev(self, date, is_previous=True, period="day")
+
+    def _get_next_day(self, date):
+        """
+        Return the start date of the next interval.
+
+        The interval is defined by start date <= item date < next start date.
+        """
+        return date + datetime.timedelta(days=1)
+
+    def _get_current_day(self, date):
+        """Return the start date of the current interval."""
+        return date
+
+
+class WeekMixin:
+    """Mixin for views manipulating week-based data."""
+
+    week_format = "%U"
+    week = None
+
+    def get_week_format(self):
+        """
+        Get a week format string in strptime syntax to be used to parse the
+        week from url variables.
+        """
+        return self.week_format
+
+    def get_week(self):
+        """Return the week for which this view should display data."""
+        week = self.week
+        if week is None:
+            try:
+                week = self.kwargs["week"]
+            except KeyError:
+                try:
+                    week = self.request.GET["week"]
+                except KeyError:
+                    raise Http404(_("No week specified"))
+        return week
+
+    def get_next_week(self, date):
+        """Get the next valid week."""
+        return _get_next_prev(self, date, is_previous=False, period="week")
+
+    def get_previous_week(self, date):
+        """Get the previous valid week."""
+        return _get_next_prev(self, date, is_previous=True, period="week")
+
+    def _get_next_week(self, date):
+        """
+        Return the start date of the next interval.
+
+        The interval is defined by start date <= item date < next start date.
+        """
+        try:
+            return date + datetime.timedelta(days=7 - self._get_weekday(date))
+        except OverflowError:
+            raise Http404(_("Date out of range"))
+
+    def _get_current_week(self, date):
+        """Return the start date of the current interval."""
+        return date - datetime.timedelta(self._get_weekday(date))
+
+    def _get_weekday(self, date):
+        """
+        Return the weekday for a given date.
+
+        The first day according to the week format is 0 and the last day is 6.
+        """
+        week_format = self.get_week_format()
+        if week_format in {"%W", "%V"}:  # week starts on Monday
+            return date.weekday()
+        elif week_format == "%U":  # week starts on Sunday
+            return (date.weekday() + 1) % 7
+        else:
+            raise ValueError("unknown week format: %s" % week_format)
+
+
+class DateMixin:
+    """Mixin class for views manipulating date-based data."""
+
+    date_field = None
+    allow_future = False
+
+    def get_date_field(self):
+        """Get the name of the date field to be used to filter by."""
+        if self.date_field is None:
+            raise ImproperlyConfigured(
+                "%s.date_field is required." % self.__class__.__name__
+            )
+        return self.date_field
+
+    def get_allow_future(self):
+        """
+        Return `True` if the view should be allowed to display objects from
+        the future.
+        """
+        return self.allow_future
+
+    # Note: the following three methods only work in subclasses that also
+    # inherit SingleObjectMixin or MultipleObjectMixin.
+
+    @cached_property
+    def uses_datetime_field(self):
+        """
+        Return `True` if the date field is a `DateTimeField` and `False`
+        if it's a `DateField`.
+        """
+        model = self.get_queryset().model if self.model is None else self.model
+        field = model._meta.get_field(self.get_date_field())
+        return isinstance(field, models.DateTimeField)
+
+    def _make_date_lookup_arg(self, value):
+        """
+        Convert a date into a datetime when the date field is a DateTimeField.
+
+        When time zone support is enabled, `date` is assumed to be in the
+        current time zone, so that displayed items are consistent with the URL.
+        """
+        if self.uses_datetime_field:
+            value = datetime.datetime.combine(value, datetime.time.min)
+            if settings.USE_TZ:
+                value = timezone.make_aware(value)
+        return value
+
+    def _make_single_date_lookup(self, date):
+        """
+        Get the lookup kwargs for filtering on a single date.
+
+        If the date field is a DateTimeField, we can't just filter on
+        date_field=date because that doesn't take the time into account.
+        """
+        date_field = self.get_date_field()
+        if self.uses_datetime_field:
+            since = self._make_date_lookup_arg(date)
+            until = self._make_date_lookup_arg(date + datetime.timedelta(days=1))
+            return {
+                "%s__gte" % date_field: since,
+                "%s__lt" % date_field: until,
+            }
+        else:
+            # Skip self._make_date_lookup_arg, it's a no-op in this branch.
+            return {date_field: date}
+
+
+class BaseDateListView(MultipleObjectMixin, DateMixin, View):
+    """Abstract base class for date-based views displaying a list of objects."""
+
+    allow_empty = False
+    date_list_period = "year"
+
+    def get(self, request, *args, **kwargs):
+        self.date_list, self.object_list, extra_context = self.get_dated_items()
+        context = self.get_context_data(
+            object_list=self.object_list, date_list=self.date_list, **extra_context
+        )
+        return self.render_to_response(context)
+
+    def get_dated_items(self):
+        """Obtain the list of dates and items."""
+        raise NotImplementedError(
+            "A DateView must provide an implementation of get_dated_items()"
+        )
+
+    def get_ordering(self):
+        """
+        Return the field or fields to use for ordering the queryset; use the
+        date field by default.
+        """
+        return "-%s" % self.get_date_field() if self.ordering is None else self.ordering
+
+    def get_dated_queryset(self, **lookup):
+        """
+        Get a queryset properly filtered according to `allow_future` and any
+        extra lookup kwargs.
+        """
+        qs = self.get_queryset().filter(**lookup)
+        date_field = self.get_date_field()
+        allow_future = self.get_allow_future()
+        allow_empty = self.get_allow_empty()
+        paginate_by = self.get_paginate_by(qs)
+
+        if not allow_future:
+            now = timezone.now() if self.uses_datetime_field else timezone_today()
+            qs = qs.filter(**{"%s__lte" % date_field: now})
+
+        if not allow_empty:
+            # When pagination is enabled, it's better to do a cheap query
+            # than to load the unpaginated queryset in memory.
+            is_empty = not qs if paginate_by is None else not qs.exists()
+            if is_empty:
+                raise Http404(
+                    _("No %(verbose_name_plural)s available")
+                    % {
+                        "verbose_name_plural": qs.model._meta.verbose_name_plural,
+                    }
+                )
+
+        return qs
+
+    def get_date_list_period(self):
+        """
+        Get the aggregation period for the list of dates: 'year', 'month', or
+        'day'.
+        """
+        return self.date_list_period
+
+    def get_date_list(self, queryset, date_type=None, ordering="ASC"):
+        """
+        Get a date list by calling `queryset.dates/datetimes()`, checking
+        along the way for empty lists that aren't allowed.
+        """
+        date_field = self.get_date_field()
+        allow_empty = self.get_allow_empty()
+        if date_type is None:
+            date_type = self.get_date_list_period()
+
+        if self.uses_datetime_field:
+            date_list = queryset.datetimes(date_field, date_type, ordering)
+        else:
+            date_list = queryset.dates(date_field, date_type, ordering)
+        if date_list is not None and not date_list and not allow_empty:
+            raise Http404(
+                _("No %(verbose_name_plural)s available")
+                % {
+                    "verbose_name_plural": queryset.model._meta.verbose_name_plural,
+                }
+            )
+
+        return date_list
+
+
+class BaseArchiveIndexView(BaseDateListView):
+    """
+    Base class for archives of date-based items. Requires a response mixin.
+    """
+
+    context_object_name = "latest"
+
+    def get_dated_items(self):
+        """Return (date_list, items, extra_context) for this request."""
+        qs = self.get_dated_queryset()
+        date_list = self.get_date_list(qs, ordering="DESC")
+
+        if not date_list:
+            qs = qs.none()
+
+        return (date_list, qs, {})
+
+
+class ArchiveIndexView(MultipleObjectTemplateResponseMixin, BaseArchiveIndexView):
+    """Top-level archive of date-based items."""
+
+    template_name_suffix = "_archive"
+
+
+class BaseYearArchiveView(YearMixin, BaseDateListView):
+    """List of objects published in a given year."""
+
+    date_list_period = "month"
+    make_object_list = False
+
+    def get_dated_items(self):
+        """Return (date_list, items, extra_context) for this request."""
+        year = self.get_year()
+
+        date_field = self.get_date_field()
+        date = _date_from_string(year, self.get_year_format())
+
+        since = self._make_date_lookup_arg(date)
+        until = self._make_date_lookup_arg(self._get_next_year(date))
+        lookup_kwargs = {
+            "%s__gte" % date_field: since,
+            "%s__lt" % date_field: until,
+        }
+
+        qs = self.get_dated_queryset(**lookup_kwargs)
+        date_list = self.get_date_list(qs)
+
+        if not self.get_make_object_list():
+            # We need this to be a queryset since parent classes introspect it
+            # to find information about the model.
+            qs = qs.none()
+
+        return (
+            date_list,
+            qs,
+            {
+                "year": date,
+                "next_year": self.get_next_year(date),
+                "previous_year": self.get_previous_year(date),
+            },
+        )
+
+    def get_make_object_list(self):
+        """
+        Return `True` if this view should contain the full list of objects in
+        the given year.
+        """
+        return self.make_object_list
+
+
+class YearArchiveView(MultipleObjectTemplateResponseMixin, BaseYearArchiveView):
+    """List of objects published in a given year."""
+
+    template_name_suffix = "_archive_year"
+
+
+class BaseMonthArchiveView(YearMixin, MonthMixin, BaseDateListView):
+    """List of objects published in a given month."""
+
+    date_list_period = "day"
+
+    def get_dated_items(self):
+        """Return (date_list, items, extra_context) for this request."""
+        year = self.get_year()
+        month = self.get_month()
+
+        date_field = self.get_date_field()
+        date = _date_from_string(
+            year, self.get_year_format(), month, self.get_month_format()
+        )
+
+        since = self._make_date_lookup_arg(date)
+        until = self._make_date_lookup_arg(self._get_next_month(date))
+        lookup_kwargs = {
+            "%s__gte" % date_field: since,
+            "%s__lt" % date_field: until,
+        }
+
+        qs = self.get_dated_queryset(**lookup_kwargs)
+        date_list = self.get_date_list(qs)
+
+        return (
+            date_list,
+            qs,
+            {
+                "month": date,
+                "next_month": self.get_next_month(date),
+                "previous_month": self.get_previous_month(date),
+            },
+        )
+
+
+class MonthArchiveView(MultipleObjectTemplateResponseMixin, BaseMonthArchiveView):
+    """List of objects published in a given month."""
+
+    template_name_suffix = "_archive_month"
+
+
+class BaseWeekArchiveView(YearMixin, WeekMixin, BaseDateListView):
+    """List of objects published in a given week."""
+
+    def get_dated_items(self):
+        """Return (date_list, items, extra_context) for this request."""
+        year = self.get_year()
+        week = self.get_week()
+
+        date_field = self.get_date_field()
+        week_format = self.get_week_format()
+        week_choices = {"%W": "1", "%U": "0", "%V": "1"}
+        try:
+            week_start = week_choices[week_format]
+        except KeyError:
+            raise ValueError(
+                "Unknown week format %r. Choices are: %s"
+                % (
+                    week_format,
+                    ", ".join(sorted(week_choices)),
+                )
+            )
+        year_format = self.get_year_format()
+        if week_format == "%V" and year_format != "%G":
+            raise ValueError(
+                "ISO week directive '%s' is incompatible with the year "
+                "directive '%s'. Use the ISO year '%%G' instead."
+                % (
+                    week_format,
+                    year_format,
+                )
+            )
+        date = _date_from_string(year, year_format, week_start, "%w", week, week_format)
+        since = self._make_date_lookup_arg(date)
+        until = self._make_date_lookup_arg(self._get_next_week(date))
+        lookup_kwargs = {
+            "%s__gte" % date_field: since,
+            "%s__lt" % date_field: until,
+        }
+
+        qs = self.get_dated_queryset(**lookup_kwargs)
+
+        return (
+            None,
+            qs,
+            {
+                "week": date,
+                "next_week": self.get_next_week(date),
+                "previous_week": self.get_previous_week(date),
+            },
+        )
+
+
+class WeekArchiveView(MultipleObjectTemplateResponseMixin, BaseWeekArchiveView):
+    """List of objects published in a given week."""
+
+    template_name_suffix = "_archive_week"
+
+
+class BaseDayArchiveView(YearMixin, MonthMixin, DayMixin, BaseDateListView):
+    """List of objects published on a given day."""
+
+    def get_dated_items(self):
+        """Return (date_list, items, extra_context) for this request."""
+        year = self.get_year()
+        month = self.get_month()
+        day = self.get_day()
+
+        date = _date_from_string(
+            year,
+            self.get_year_format(),
+            month,
+            self.get_month_format(),
+            day,
+            self.get_day_format(),
+        )
+
+        return self._get_dated_items(date)
+
+    def _get_dated_items(self, date):
+        """
+        Do the actual heavy lifting of getting the dated items; this accepts a
+        date object so that TodayArchiveView can be trivial.
+        """
+        lookup_kwargs = self._make_single_date_lookup(date)
+        qs = self.get_dated_queryset(**lookup_kwargs)
+
+        return (
+            None,
+            qs,
+            {
+                "day": date,
+                "previous_day": self.get_previous_day(date),
+                "next_day": self.get_next_day(date),
+                "previous_month": self.get_previous_month(date),
+                "next_month": self.get_next_month(date),
+            },
+        )
+
+
+class DayArchiveView(MultipleObjectTemplateResponseMixin, BaseDayArchiveView):
+    """List of objects published on a given day."""
+
+    template_name_suffix = "_archive_day"
+
+
+class BaseTodayArchiveView(BaseDayArchiveView):
+    """List of objects published today."""
+
+    def get_dated_items(self):
+        """Return (date_list, items, extra_context) for this request."""
+        return self._get_dated_items(datetime.date.today())
+
+
+class TodayArchiveView(MultipleObjectTemplateResponseMixin, BaseTodayArchiveView):
+    """List of objects published today."""
+
+    template_name_suffix = "_archive_day"
+
+
+class BaseDateDetailView(YearMixin, MonthMixin, DayMixin, DateMixin, BaseDetailView):
+    """
+    Detail view of a single object on a single date; this differs from the
+    standard DetailView by accepting a year/month/day in the URL.
+    """
+
+    def get_object(self, queryset=None):
+        """Get the object this request displays."""
+        year = self.get_year()
+        month = self.get_month()
+        day = self.get_day()
+        date = _date_from_string(
+            year,
+            self.get_year_format(),
+            month,
+            self.get_month_format(),
+            day,
+            self.get_day_format(),
+        )
+
+        # Use a custom queryset if provided
+        qs = self.get_queryset() if queryset is None else queryset
+
+        if not self.get_allow_future() and date > datetime.date.today():
+            raise Http404(
+                _(
+                    "Future %(verbose_name_plural)s not available because "
+                    "%(class_name)s.allow_future is False."
+                )
+                % {
+                    "verbose_name_plural": qs.model._meta.verbose_name_plural,
+                    "class_name": self.__class__.__name__,
+                }
+            )
+
+        # Filter down a queryset from self.queryset using the date from the
+        # URL. This'll get passed as the queryset to DetailView.get_object,
+        # which'll handle the 404
+        lookup_kwargs = self._make_single_date_lookup(date)
+        qs = qs.filter(**lookup_kwargs)
+
+        return super().get_object(queryset=qs)
+
+
+class DateDetailView(SingleObjectTemplateResponseMixin, BaseDateDetailView):
+    """
+    Detail view of a single object on a single date; this differs from the
+    standard DetailView by accepting a year/month/day in the URL.
+    """
+
+    template_name_suffix = "_detail"
+
+
+def _date_from_string(
+    year, year_format, month="", month_format="", day="", day_format="", delim="__"
+):
+    """
+    Get a datetime.date object given a format string and a year, month, and day
+    (only year is mandatory). Raise a 404 for an invalid date.
+    """
+    format = year_format + delim + month_format + delim + day_format
+    datestr = str(year) + delim + str(month) + delim + str(day)
+    try:
+        return datetime.datetime.strptime(datestr, format).date()
+    except ValueError:
+        raise Http404(
+            _("Invalid date string “%(datestr)s” given format “%(format)s”")
+            % {
+                "datestr": datestr,
+                "format": format,
+            }
+        )
+
+
+def _get_next_prev(generic_view, date, is_previous, period):
+    """
+    Get the next or the previous valid date. The idea is to allow links on
+    month/day views to never be 404s by never providing a date that'll be
+    invalid for the given view.
+
+    This is a bit complicated since it handles different intervals of time,
+    hence the coupling to generic_view.
+
+    However in essence the logic comes down to:
+
+        * If allow_empty and allow_future are both true, this is easy: just
+          return the naive result (just the next/previous day/week/month,
+          regardless of object existence.)
+
+        * If allow_empty is true, allow_future is false, and the naive result
+          isn't in the future, then return it; otherwise return None.
+
+        * If allow_empty is false and allow_future is true, return the next
+          date *that contains a valid object*, even if it's in the future. If
+          there are no next objects, return None.
+
+        * If allow_empty is false and allow_future is false, return the next
+          date that contains a valid object. If that date is in the future, or
+          if there are no next objects, return None.
+    """
+    date_field = generic_view.get_date_field()
+    allow_empty = generic_view.get_allow_empty()
+    allow_future = generic_view.get_allow_future()
+
+    get_current = getattr(generic_view, "_get_current_%s" % period)
+    get_next = getattr(generic_view, "_get_next_%s" % period)
+
+    # Bounds of the current interval
+    start, end = get_current(date), get_next(date)
+
+    # If allow_empty is True, the naive result will be valid
+    if allow_empty:
+        if is_previous:
+            result = get_current(start - datetime.timedelta(days=1))
+        else:
+            result = end
+
+        if allow_future or result <= timezone_today():
+            return result
+        else:
+            return None
+
+    # Otherwise, we'll need to go to the database to look for an object
+    # whose date_field is at least (greater than/less than) the given
+    # naive result
+    else:
+        # Construct a lookup and an ordering depending on whether we're doing
+        # a previous date or a next date lookup.
+        if is_previous:
+            lookup = {"%s__lt" % date_field: generic_view._make_date_lookup_arg(start)}
+            ordering = "-%s" % date_field
+        else:
+            lookup = {"%s__gte" % date_field: generic_view._make_date_lookup_arg(end)}
+            ordering = date_field
+
+        # Filter out objects in the future if appropriate.
+        if not allow_future:
+            # Fortunately, to match the implementation of allow_future,
+            # we need __lte, which doesn't conflict with __lt above.
+            if generic_view.uses_datetime_field:
+                now = timezone.now()
+            else:
+                now = timezone_today()
+            lookup["%s__lte" % date_field] = now
+
+        qs = generic_view.get_queryset().filter(**lookup).order_by(ordering)
+
+        # Snag the first object from the queryset; if it doesn't exist that
+        # means there's no next/previous link available.
+        try:
+            result = getattr(qs[0], date_field)
+        except IndexError:
+            return None
+
+        # Convert datetimes to dates in the current time zone.
+        if generic_view.uses_datetime_field:
+            if settings.USE_TZ:
+                result = timezone.localtime(result)
+            result = result.date()
+
+        # Return the first day of the period.
+        return get_current(result)
+
+
+def timezone_today():
+    """Return the current date in the current time zone."""
+    if settings.USE_TZ:
+        return timezone.localdate()
+    else:
+        return datetime.date.today()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/detail.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/detail.py
new file mode 100644
index 00000000..e4428c80
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/detail.py
@@ -0,0 +1,180 @@
+from django.core.exceptions import ImproperlyConfigured
+from django.db import models
+from django.http import Http404
+from django.utils.translation import gettext as _
+from django.views.generic.base import ContextMixin, TemplateResponseMixin, View
+
+
+class SingleObjectMixin(ContextMixin):
+    """
+    Provide the ability to retrieve a single object for further manipulation.
+    """
+
+    model = None
+    queryset = None
+    slug_field = "slug"
+    context_object_name = None
+    slug_url_kwarg = "slug"
+    pk_url_kwarg = "pk"
+    query_pk_and_slug = False
+
+    def get_object(self, queryset=None):
+        """
+        Return the object the view is displaying.
+
+        Require `self.queryset` and a `pk` or `slug` argument in the URLconf.
+        Subclasses can override this to return any object.
+        """
+        # Use a custom queryset if provided; this is required for subclasses
+        # like DateDetailView
+        if queryset is None:
+            queryset = self.get_queryset()
+
+        # Next, try looking up by primary key.
+        pk = self.kwargs.get(self.pk_url_kwarg)
+        slug = self.kwargs.get(self.slug_url_kwarg)
+        if pk is not None:
+            queryset = queryset.filter(pk=pk)
+
+        # Next, try looking up by slug.
+        if slug is not None and (pk is None or self.query_pk_and_slug):
+            slug_field = self.get_slug_field()
+            queryset = queryset.filter(**{slug_field: slug})
+
+        # If none of those are defined, it's an error.
+        if pk is None and slug is None:
+            raise AttributeError(
+                "Generic detail view %s must be called with either an object "
+                "pk or a slug in the URLconf." % self.__class__.__name__
+            )
+
+        try:
+            # Get the single item from the filtered queryset
+            obj = queryset.get()
+        except queryset.model.DoesNotExist:
+            raise Http404(
+                _("No %(verbose_name)s found matching the query")
+                % {"verbose_name": queryset.model._meta.verbose_name}
+            )
+        return obj
+
+    def get_queryset(self):
+        """
+        Return the `QuerySet` that will be used to look up the object.
+
+        This method is called by the default implementation of get_object() and
+        may not be called if get_object() is overridden.
+        """
+        if self.queryset is None:
+            if self.model:
+                return self.model._default_manager.all()
+            else:
+                raise ImproperlyConfigured(
+                    "%(cls)s is missing a QuerySet. Define "
+                    "%(cls)s.model, %(cls)s.queryset, or override "
+                    "%(cls)s.get_queryset()." % {"cls": self.__class__.__name__}
+                )
+        return self.queryset.all()
+
+    def get_slug_field(self):
+        """Get the name of a slug field to be used to look up by slug."""
+        return self.slug_field
+
+    def get_context_object_name(self, obj):
+        """Get the name to use for the object."""
+        if self.context_object_name:
+            return self.context_object_name
+        elif isinstance(obj, models.Model):
+            return obj._meta.model_name
+        else:
+            return None
+
+    def get_context_data(self, **kwargs):
+        """Insert the single object into the context dict."""
+        context = {}
+        if self.object:
+            context["object"] = self.object
+            context_object_name = self.get_context_object_name(self.object)
+            if context_object_name:
+                context[context_object_name] = self.object
+        context.update(kwargs)
+        return super().get_context_data(**context)
+
+
+class BaseDetailView(SingleObjectMixin, View):
+    """A base view for displaying a single object."""
+
+    def get(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        context = self.get_context_data(object=self.object)
+        return self.render_to_response(context)
+
+
+class SingleObjectTemplateResponseMixin(TemplateResponseMixin):
+    template_name_field = None
+    template_name_suffix = "_detail"
+
+    def get_template_names(self):
+        """
+        Return a list of template names to be used for the request. May not be
+        called if render_to_response() is overridden. Return the following list:
+
+        * the value of ``template_name`` on the view (if provided)
+        * the contents of the ``template_name_field`` field on the
+          object instance that the view is operating upon (if available)
+        * ``<app_label>/<model_name><template_name_suffix>.html``
+        """
+        try:
+            names = super().get_template_names()
+        except ImproperlyConfigured:
+            # If template_name isn't specified, it's not a problem --
+            # we just start with an empty list.
+            names = []
+
+            # If self.template_name_field is set, grab the value of the field
+            # of that name from the object; this is the most specific template
+            # name, if given.
+            if self.object and self.template_name_field:
+                name = getattr(self.object, self.template_name_field, None)
+                if name:
+                    names.insert(0, name)
+
+            # The least-specific option is the default <app>/<model>_detail.html;
+            # only use this if the object in question is a model.
+            if isinstance(self.object, models.Model):
+                object_meta = self.object._meta
+                names.append(
+                    "%s/%s%s.html"
+                    % (
+                        object_meta.app_label,
+                        object_meta.model_name,
+                        self.template_name_suffix,
+                    )
+                )
+            elif getattr(self, "model", None) is not None and issubclass(
+                self.model, models.Model
+            ):
+                names.append(
+                    "%s/%s%s.html"
+                    % (
+                        self.model._meta.app_label,
+                        self.model._meta.model_name,
+                        self.template_name_suffix,
+                    )
+                )
+
+            # If we still haven't managed to find any template names, we should
+            # re-raise the ImproperlyConfigured to alert the user.
+            if not names:
+                raise
+
+        return names
+
+
+class DetailView(SingleObjectTemplateResponseMixin, BaseDetailView):
+    """
+    Render a "detail" view of an object.
+
+    By default this is a model instance looked up from `self.queryset`, but the
+    view will support display of *any* object by overriding `self.get_object()`.
+    """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/edit.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/edit.py
new file mode 100644
index 00000000..97934f58
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/edit.py
@@ -0,0 +1,274 @@
+from django.core.exceptions import ImproperlyConfigured
+from django.forms import Form
+from django.forms import models as model_forms
+from django.http import HttpResponseRedirect
+from django.views.generic.base import ContextMixin, TemplateResponseMixin, View
+from django.views.generic.detail import (
+    BaseDetailView,
+    SingleObjectMixin,
+    SingleObjectTemplateResponseMixin,
+)
+
+
+class FormMixin(ContextMixin):
+    """Provide a way to show and handle a form in a request."""
+
+    initial = {}
+    form_class = None
+    success_url = None
+    prefix = None
+
+    def get_initial(self):
+        """Return the initial data to use for forms on this view."""
+        return self.initial.copy()
+
+    def get_prefix(self):
+        """Return the prefix to use for forms."""
+        return self.prefix
+
+    def get_form_class(self):
+        """Return the form class to use."""
+        return self.form_class
+
+    def get_form(self, form_class=None):
+        """Return an instance of the form to be used in this view."""
+        if form_class is None:
+            form_class = self.get_form_class()
+        return form_class(**self.get_form_kwargs())
+
+    def get_form_kwargs(self):
+        """Return the keyword arguments for instantiating the form."""
+        kwargs = {
+            "initial": self.get_initial(),
+            "prefix": self.get_prefix(),
+        }
+
+        if self.request.method in ("POST", "PUT"):
+            kwargs.update(
+                {
+                    "data": self.request.POST,
+                    "files": self.request.FILES,
+                }
+            )
+        return kwargs
+
+    def get_success_url(self):
+        """Return the URL to redirect to after processing a valid form."""
+        if not self.success_url:
+            raise ImproperlyConfigured("No URL to redirect to. Provide a success_url.")
+        return str(self.success_url)  # success_url may be lazy
+
+    def form_valid(self, form):
+        """If the form is valid, redirect to the supplied URL."""
+        return HttpResponseRedirect(self.get_success_url())
+
+    def form_invalid(self, form):
+        """If the form is invalid, render the invalid form."""
+        return self.render_to_response(self.get_context_data(form=form))
+
+    def get_context_data(self, **kwargs):
+        """Insert the form into the context dict."""
+        if "form" not in kwargs:
+            kwargs["form"] = self.get_form()
+        return super().get_context_data(**kwargs)
+
+
+class ModelFormMixin(FormMixin, SingleObjectMixin):
+    """Provide a way to show and handle a ModelForm in a request."""
+
+    fields = None
+
+    def get_form_class(self):
+        """Return the form class to use in this view."""
+        if self.fields is not None and self.form_class:
+            raise ImproperlyConfigured(
+                "Specifying both 'fields' and 'form_class' is not permitted."
+            )
+        if self.form_class:
+            return self.form_class
+        else:
+            if self.model is not None:
+                # If a model has been explicitly provided, use it
+                model = self.model
+            elif getattr(self, "object", None) is not None:
+                # If this view is operating on a single object, use
+                # the class of that object
+                model = self.object.__class__
+            else:
+                # Try to get a queryset and extract the model class
+                # from that
+                model = self.get_queryset().model
+
+            if self.fields is None:
+                raise ImproperlyConfigured(
+                    "Using ModelFormMixin (base class of %s) without "
+                    "the 'fields' attribute is prohibited." % self.__class__.__name__
+                )
+
+            return model_forms.modelform_factory(model, fields=self.fields)
+
+    def get_form_kwargs(self):
+        """Return the keyword arguments for instantiating the form."""
+        kwargs = super().get_form_kwargs()
+        if hasattr(self, "object"):
+            kwargs.update({"instance": self.object})
+        return kwargs
+
+    def get_success_url(self):
+        """Return the URL to redirect to after processing a valid form."""
+        if self.success_url:
+            url = self.success_url.format(**self.object.__dict__)
+        else:
+            try:
+                url = self.object.get_absolute_url()
+            except AttributeError:
+                raise ImproperlyConfigured(
+                    "No URL to redirect to.  Either provide a url or define"
+                    " a get_absolute_url method on the Model."
+                )
+        return url
+
+    def form_valid(self, form):
+        """If the form is valid, save the associated model."""
+        self.object = form.save()
+        return super().form_valid(form)
+
+
+class ProcessFormView(View):
+    """Render a form on GET and processes it on POST."""
+
+    def get(self, request, *args, **kwargs):
+        """Handle GET requests: instantiate a blank version of the form."""
+        return self.render_to_response(self.get_context_data())
+
+    def post(self, request, *args, **kwargs):
+        """
+        Handle POST requests: instantiate a form instance with the passed
+        POST variables and then check if it's valid.
+        """
+        form = self.get_form()
+        if form.is_valid():
+            return self.form_valid(form)
+        else:
+            return self.form_invalid(form)
+
+    # PUT is a valid HTTP verb for creating (with a known URL) or editing an
+    # object, note that browsers only support POST for now.
+    def put(self, *args, **kwargs):
+        return self.post(*args, **kwargs)
+
+
+class BaseFormView(FormMixin, ProcessFormView):
+    """A base view for displaying a form."""
+
+
+class FormView(TemplateResponseMixin, BaseFormView):
+    """A view for displaying a form and rendering a template response."""
+
+
+class BaseCreateView(ModelFormMixin, ProcessFormView):
+    """
+    Base view for creating a new object instance.
+
+    Using this base class requires subclassing to provide a response mixin.
+    """
+
+    def get(self, request, *args, **kwargs):
+        self.object = None
+        return super().get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        self.object = None
+        return super().post(request, *args, **kwargs)
+
+
+class CreateView(SingleObjectTemplateResponseMixin, BaseCreateView):
+    """
+    View for creating a new object, with a response rendered by a template.
+    """
+
+    template_name_suffix = "_form"
+
+
+class BaseUpdateView(ModelFormMixin, ProcessFormView):
+    """
+    Base view for updating an existing object.
+
+    Using this base class requires subclassing to provide a response mixin.
+    """
+
+    def get(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        return super().get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        return super().post(request, *args, **kwargs)
+
+
+class UpdateView(SingleObjectTemplateResponseMixin, BaseUpdateView):
+    """View for updating an object, with a response rendered by a template."""
+
+    template_name_suffix = "_form"
+
+
+class DeletionMixin:
+    """Provide the ability to delete objects."""
+
+    success_url = None
+
+    def delete(self, request, *args, **kwargs):
+        """
+        Call the delete() method on the fetched object and then redirect to the
+        success URL.
+        """
+        self.object = self.get_object()
+        success_url = self.get_success_url()
+        self.object.delete()
+        return HttpResponseRedirect(success_url)
+
+    # Add support for browsers which only accept GET and POST for now.
+    def post(self, request, *args, **kwargs):
+        return self.delete(request, *args, **kwargs)
+
+    def get_success_url(self):
+        if self.success_url:
+            return self.success_url.format(**self.object.__dict__)
+        else:
+            raise ImproperlyConfigured("No URL to redirect to. Provide a success_url.")
+
+
+class BaseDeleteView(DeletionMixin, FormMixin, BaseDetailView):
+    """
+    Base view for deleting an object.
+
+    Using this base class requires subclassing to provide a response mixin.
+    """
+
+    form_class = Form
+
+    def post(self, request, *args, **kwargs):
+        # Set self.object before the usual form processing flow.
+        # Inlined because having DeletionMixin as the first base, for
+        # get_success_url(), makes leveraging super() with ProcessFormView
+        # overly complex.
+        self.object = self.get_object()
+        form = self.get_form()
+        if form.is_valid():
+            return self.form_valid(form)
+        else:
+            return self.form_invalid(form)
+
+    def form_valid(self, form):
+        success_url = self.get_success_url()
+        self.object.delete()
+        return HttpResponseRedirect(success_url)
+
+
+class DeleteView(SingleObjectTemplateResponseMixin, BaseDeleteView):
+    """
+    View for deleting an object retrieved with self.get_object(), with a
+    response rendered by a template.
+    """
+
+    template_name_suffix = "_confirm_delete"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/list.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/list.py
new file mode 100644
index 00000000..830a8df6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/generic/list.py
@@ -0,0 +1,220 @@
+from django.core.exceptions import ImproperlyConfigured
+from django.core.paginator import InvalidPage, Paginator
+from django.db.models import QuerySet
+from django.http import Http404
+from django.utils.translation import gettext as _
+from django.views.generic.base import ContextMixin, TemplateResponseMixin, View
+
+
+class MultipleObjectMixin(ContextMixin):
+    """A mixin for views manipulating multiple objects."""
+
+    allow_empty = True
+    queryset = None
+    model = None
+    paginate_by = None
+    paginate_orphans = 0
+    context_object_name = None
+    paginator_class = Paginator
+    page_kwarg = "page"
+    ordering = None
+
+    def get_queryset(self):
+        """
+        Return the list of items for this view.
+
+        The return value must be an iterable and may be an instance of
+        `QuerySet` in which case `QuerySet` specific behavior will be enabled.
+        """
+        if self.queryset is not None:
+            queryset = self.queryset
+            if isinstance(queryset, QuerySet):
+                queryset = queryset.all()
+        elif self.model is not None:
+            queryset = self.model._default_manager.all()
+        else:
+            raise ImproperlyConfigured(
+                "%(cls)s is missing a QuerySet. Define "
+                "%(cls)s.model, %(cls)s.queryset, or override "
+                "%(cls)s.get_queryset()." % {"cls": self.__class__.__name__}
+            )
+        ordering = self.get_ordering()
+        if ordering:
+            if isinstance(ordering, str):
+                ordering = (ordering,)
+            queryset = queryset.order_by(*ordering)
+
+        return queryset
+
+    def get_ordering(self):
+        """Return the field or fields to use for ordering the queryset."""
+        return self.ordering
+
+    def paginate_queryset(self, queryset, page_size):
+        """Paginate the queryset, if needed."""
+        paginator = self.get_paginator(
+            queryset,
+            page_size,
+            orphans=self.get_paginate_orphans(),
+            allow_empty_first_page=self.get_allow_empty(),
+        )
+        page_kwarg = self.page_kwarg
+        page = self.kwargs.get(page_kwarg) or self.request.GET.get(page_kwarg) or 1
+        try:
+            page_number = int(page)
+        except ValueError:
+            if page == "last":
+                page_number = paginator.num_pages
+            else:
+                raise Http404(
+                    _("Page is not “last”, nor can it be converted to an int.")
+                )
+        try:
+            page = paginator.page(page_number)
+            return (paginator, page, page.object_list, page.has_other_pages())
+        except InvalidPage as e:
+            raise Http404(
+                _("Invalid page (%(page_number)s): %(message)s")
+                % {"page_number": page_number, "message": str(e)}
+            )
+
+    def get_paginate_by(self, queryset):
+        """
+        Get the number of items to paginate by, or ``None`` for no pagination.
+        """
+        return self.paginate_by
+
+    def get_paginator(
+        self, queryset, per_page, orphans=0, allow_empty_first_page=True, **kwargs
+    ):
+        """Return an instance of the paginator for this view."""
+        return self.paginator_class(
+            queryset,
+            per_page,
+            orphans=orphans,
+            allow_empty_first_page=allow_empty_first_page,
+            **kwargs,
+        )
+
+    def get_paginate_orphans(self):
+        """
+        Return the maximum number of orphans extend the last page by when
+        paginating.
+        """
+        return self.paginate_orphans
+
+    def get_allow_empty(self):
+        """
+        Return ``True`` if the view should display empty lists and ``False``
+        if a 404 should be raised instead.
+        """
+        return self.allow_empty
+
+    def get_context_object_name(self, object_list):
+        """Get the name of the item to be used in the context."""
+        if self.context_object_name:
+            return self.context_object_name
+        elif hasattr(object_list, "model"):
+            return "%s_list" % object_list.model._meta.model_name
+        else:
+            return None
+
+    def get_context_data(self, *, object_list=None, **kwargs):
+        """Get the context for this view."""
+        queryset = object_list if object_list is not None else self.object_list
+        page_size = self.get_paginate_by(queryset)
+        context_object_name = self.get_context_object_name(queryset)
+        if page_size:
+            paginator, page, queryset, is_paginated = self.paginate_queryset(
+                queryset, page_size
+            )
+            context = {
+                "paginator": paginator,
+                "page_obj": page,
+                "is_paginated": is_paginated,
+                "object_list": queryset,
+            }
+        else:
+            context = {
+                "paginator": None,
+                "page_obj": None,
+                "is_paginated": False,
+                "object_list": queryset,
+            }
+        if context_object_name is not None:
+            context[context_object_name] = queryset
+        context.update(kwargs)
+        return super().get_context_data(**context)
+
+
+class BaseListView(MultipleObjectMixin, View):
+    """A base view for displaying a list of objects."""
+
+    def get(self, request, *args, **kwargs):
+        self.object_list = self.get_queryset()
+        allow_empty = self.get_allow_empty()
+
+        if not allow_empty:
+            # When pagination is enabled and object_list is a queryset,
+            # it's better to do a cheap query than to load the unpaginated
+            # queryset in memory.
+            if self.get_paginate_by(self.object_list) is not None and hasattr(
+                self.object_list, "exists"
+            ):
+                is_empty = not self.object_list.exists()
+            else:
+                is_empty = not self.object_list
+            if is_empty:
+                raise Http404(
+                    _("Empty list and “%(class_name)s.allow_empty” is False.")
+                    % {
+                        "class_name": self.__class__.__name__,
+                    }
+                )
+        context = self.get_context_data()
+        return self.render_to_response(context)
+
+
+class MultipleObjectTemplateResponseMixin(TemplateResponseMixin):
+    """Mixin for responding with a template and list of objects."""
+
+    template_name_suffix = "_list"
+
+    def get_template_names(self):
+        """
+        Return a list of template names to be used for the request. Must return
+        a list. May not be called if render_to_response is overridden.
+        """
+        try:
+            names = super().get_template_names()
+        except ImproperlyConfigured:
+            # If template_name isn't specified, it's not a problem --
+            # we just start with an empty list.
+            names = []
+
+        # If the list is a queryset, we'll invent a template name based on the
+        # app and model name. This name gets put at the end of the template
+        # name list so that user-supplied names override the automatically-
+        # generated ones.
+        if hasattr(self.object_list, "model"):
+            opts = self.object_list.model._meta
+            names.append(
+                "%s/%s%s.html"
+                % (opts.app_label, opts.model_name, self.template_name_suffix)
+            )
+        elif not names:
+            raise ImproperlyConfigured(
+                "%(cls)s requires either a 'template_name' attribute "
+                "or a get_queryset() method that returns a QuerySet."
+                % {
+                    "cls": self.__class__.__name__,
+                }
+            )
+        return names
+
+
+class ListView(MultipleObjectTemplateResponseMixin, BaseListView):
+    """
+    Render some list of objects, set by `self.model` or `self.queryset`.
+    `self.queryset` can actually be any iterable of items, not just a queryset.
+    """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/i18n.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/i18n.py
new file mode 100644
index 00000000..771035d8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/i18n.py
@@ -0,0 +1,251 @@
+import json
+import os
+import re
+from pathlib import Path
+
+from django.apps import apps
+from django.conf import settings
+from django.http import HttpResponse, HttpResponseRedirect, JsonResponse
+from django.template import Context, Engine
+from django.urls import translate_url
+from django.utils.formats import get_format
+from django.utils.http import url_has_allowed_host_and_scheme
+from django.utils.translation import check_for_language, get_language
+from django.utils.translation.trans_real import DjangoTranslation
+from django.views.generic import View
+
+LANGUAGE_QUERY_PARAMETER = "language"
+
+
+def builtin_template_path(name):
+    """
+    Return a path to a builtin template.
+
+    Avoid calling this function at the module level or in a class-definition
+    because __file__ may not exist, e.g. in frozen environments.
+    """
+    return Path(__file__).parent / "templates" / name
+
+
+def set_language(request):
+    """
+    Redirect to a given URL while setting the chosen language in the session
+    (if enabled) and in a cookie. The URL and the language code need to be
+    specified in the request parameters.
+
+    Since this view changes how the user will see the rest of the site, it must
+    only be accessed as a POST request. If called as a GET request, it will
+    redirect to the page in the request (the 'next' parameter) without changing
+    any state.
+    """
+    next_url = request.POST.get("next", request.GET.get("next"))
+    if (
+        next_url or request.accepts("text/html")
+    ) and not url_has_allowed_host_and_scheme(
+        url=next_url,
+        allowed_hosts={request.get_host()},
+        require_https=request.is_secure(),
+    ):
+        next_url = request.META.get("HTTP_REFERER")
+        if not url_has_allowed_host_and_scheme(
+            url=next_url,
+            allowed_hosts={request.get_host()},
+            require_https=request.is_secure(),
+        ):
+            next_url = "/"
+    response = HttpResponseRedirect(next_url) if next_url else HttpResponse(status=204)
+    if request.method == "POST":
+        lang_code = request.POST.get(LANGUAGE_QUERY_PARAMETER)
+        if lang_code and check_for_language(lang_code):
+            if next_url:
+                next_trans = translate_url(next_url, lang_code)
+                if next_trans != next_url:
+                    response = HttpResponseRedirect(next_trans)
+            response.set_cookie(
+                settings.LANGUAGE_COOKIE_NAME,
+                lang_code,
+                max_age=settings.LANGUAGE_COOKIE_AGE,
+                path=settings.LANGUAGE_COOKIE_PATH,
+                domain=settings.LANGUAGE_COOKIE_DOMAIN,
+                secure=settings.LANGUAGE_COOKIE_SECURE,
+                httponly=settings.LANGUAGE_COOKIE_HTTPONLY,
+                samesite=settings.LANGUAGE_COOKIE_SAMESITE,
+            )
+    return response
+
+
+def get_formats():
+    """Return all formats strings required for i18n to work."""
+    FORMAT_SETTINGS = (
+        "DATE_FORMAT",
+        "DATETIME_FORMAT",
+        "TIME_FORMAT",
+        "YEAR_MONTH_FORMAT",
+        "MONTH_DAY_FORMAT",
+        "SHORT_DATE_FORMAT",
+        "SHORT_DATETIME_FORMAT",
+        "FIRST_DAY_OF_WEEK",
+        "DECIMAL_SEPARATOR",
+        "THOUSAND_SEPARATOR",
+        "NUMBER_GROUPING",
+        "DATE_INPUT_FORMATS",
+        "TIME_INPUT_FORMATS",
+        "DATETIME_INPUT_FORMATS",
+    )
+    return {attr: get_format(attr) for attr in FORMAT_SETTINGS}
+
+
+class JavaScriptCatalog(View):
+    """
+    Return the selected language catalog as a JavaScript library.
+
+    Receive the list of packages to check for translations in the `packages`
+    kwarg either from the extra dictionary passed to the path() function or as
+    a plus-sign delimited string from the request. Default is 'django.conf'.
+
+    You can override the gettext domain for this view, but usually you don't
+    want to do that as JavaScript messages go to the djangojs domain. This
+    might be needed if you deliver your JavaScript source from Django templates.
+    """
+
+    domain = "djangojs"
+    packages = None
+
+    def get(self, request, *args, **kwargs):
+        locale = get_language()
+        domain = kwargs.get("domain", self.domain)
+        # If packages are not provided, default to all installed packages, as
+        # DjangoTranslation without localedirs harvests them all.
+        packages = kwargs.get("packages", "")
+        packages = packages.split("+") if packages else self.packages
+        paths = self.get_paths(packages) if packages else None
+        self.translation = DjangoTranslation(locale, domain=domain, localedirs=paths)
+        context = self.get_context_data(**kwargs)
+        return self.render_to_response(context)
+
+    def get_paths(self, packages):
+        allowable_packages = {
+            app_config.name: app_config for app_config in apps.get_app_configs()
+        }
+        app_configs = [
+            allowable_packages[p] for p in packages if p in allowable_packages
+        ]
+        if len(app_configs) < len(packages):
+            excluded = [p for p in packages if p not in allowable_packages]
+            raise ValueError(
+                "Invalid package(s) provided to JavaScriptCatalog: %s"
+                % ",".join(excluded)
+            )
+        # paths of requested packages
+        return [os.path.join(app.path, "locale") for app in app_configs]
+
+    @property
+    def _num_plurals(self):
+        """
+        Return the number of plurals for this catalog language, or 2 if no
+        plural string is available.
+        """
+        match = re.search(r"nplurals=\s*(\d+)", self._plural_string or "")
+        if match:
+            return int(match[1])
+        return 2
+
+    @property
+    def _plural_string(self):
+        """
+        Return the plural string (including nplurals) for this catalog language,
+        or None if no plural string is available.
+        """
+        if "" in self.translation._catalog:
+            for line in self.translation._catalog[""].split("\n"):
+                if line.startswith("Plural-Forms:"):
+                    return line.split(":", 1)[1].strip()
+        return None
+
+    def get_plural(self):
+        plural = self._plural_string
+        if plural is not None:
+            # This should be a compiled function of a typical plural-form:
+            # Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 :
+            #               n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;
+            plural = [
+                el.strip()
+                for el in plural.split(";")
+                if el.strip().startswith("plural=")
+            ][0].split("=", 1)[1]
+        return plural
+
+    def get_catalog(self):
+        pdict = {}
+        catalog = {}
+        translation = self.translation
+        seen_keys = set()
+        while True:
+            for key, value in translation._catalog.items():
+                if key == "" or key in seen_keys:
+                    continue
+                if isinstance(key, str):
+                    catalog[key] = value
+                elif isinstance(key, tuple):
+                    msgid, cnt = key
+                    pdict.setdefault(msgid, {})[cnt] = value
+                else:
+                    raise TypeError(key)
+                seen_keys.add(key)
+            if translation._fallback:
+                translation = translation._fallback
+            else:
+                break
+
+        num_plurals = self._num_plurals
+        for k, v in pdict.items():
+            catalog[k] = [v.get(i, "") for i in range(num_plurals)]
+        return catalog
+
+    def get_context_data(self, **kwargs):
+        return {
+            "catalog": self.get_catalog(),
+            "formats": get_formats(),
+            "plural": self.get_plural(),
+        }
+
+    def render_to_response(self, context, **response_kwargs):
+        def indent(s):
+            return s.replace("\n", "\n  ")
+
+        with builtin_template_path("i18n_catalog.js").open(encoding="utf-8") as fh:
+            template = Engine().from_string(fh.read())
+        context["catalog_str"] = (
+            indent(json.dumps(context["catalog"], sort_keys=True, indent=2))
+            if context["catalog"]
+            else None
+        )
+        context["formats_str"] = indent(
+            json.dumps(context["formats"], sort_keys=True, indent=2)
+        )
+
+        return HttpResponse(
+            template.render(Context(context)), 'text/javascript; charset="utf-8"'
+        )
+
+
+class JSONCatalog(JavaScriptCatalog):
+    """
+    Return the selected language catalog as a JSON object.
+
+    Receive the same parameters as JavaScriptCatalog and return a response
+    with a JSON object of the following format:
+
+        {
+            "catalog": {
+                # Translations catalog
+            },
+            "formats": {
+                # Language formats for date, time, etc.
+            },
+            "plural": '...'  # Expression for plural forms, or null.
+        }
+    """
+
+    def render_to_response(self, context, **response_kwargs):
+        return JsonResponse(context)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/static.py b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/static.py
new file mode 100644
index 00000000..b24f0e30
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/static.py
@@ -0,0 +1,122 @@
+"""
+Views and functions for serving static files. These are only to be used
+during development, and SHOULD NOT be used in a production setting.
+"""
+
+import mimetypes
+import posixpath
+from pathlib import Path
+
+from django.http import FileResponse, Http404, HttpResponse, HttpResponseNotModified
+from django.template import Context, Engine, TemplateDoesNotExist, loader
+from django.utils._os import safe_join
+from django.utils.http import http_date, parse_http_date
+from django.utils.translation import gettext as _
+from django.utils.translation import gettext_lazy
+
+
+def builtin_template_path(name):
+    """
+    Return a path to a builtin template.
+
+    Avoid calling this function at the module level or in a class-definition
+    because __file__ may not exist, e.g. in frozen environments.
+    """
+    return Path(__file__).parent / "templates" / name
+
+
+def serve(request, path, document_root=None, show_indexes=False):
+    """
+    Serve static files below a given point in the directory structure.
+
+    To use, put a URL pattern such as::
+
+        from django.views.static import serve
+
+        path('<path:path>', serve, {'document_root': '/path/to/my/files/'})
+
+    in your URLconf. You must provide the ``document_root`` param. You may
+    also set ``show_indexes`` to ``True`` if you'd like to serve a basic index
+    of the directory.  This index view will use the template hardcoded below,
+    but if you'd like to override it, you can create a template called
+    ``static/directory_index.html``.
+    """
+    path = posixpath.normpath(path).lstrip("/")
+    fullpath = Path(safe_join(document_root, path))
+    if fullpath.is_dir():
+        if show_indexes:
+            return directory_index(path, fullpath)
+        raise Http404(_("Directory indexes are not allowed here."))
+    if not fullpath.exists():
+        raise Http404(_("“%(path)s” does not exist") % {"path": fullpath})
+    # Respect the If-Modified-Since header.
+    statobj = fullpath.stat()
+    if not was_modified_since(
+        request.META.get("HTTP_IF_MODIFIED_SINCE"), statobj.st_mtime
+    ):
+        return HttpResponseNotModified()
+    content_type, encoding = mimetypes.guess_type(str(fullpath))
+    content_type = content_type or "application/octet-stream"
+    response = FileResponse(fullpath.open("rb"), content_type=content_type)
+    response.headers["Last-Modified"] = http_date(statobj.st_mtime)
+    if encoding:
+        response.headers["Content-Encoding"] = encoding
+    return response
+
+
+# Translatable string for static directory index template title.
+template_translatable = gettext_lazy("Index of %(directory)s")
+
+
+def directory_index(path, fullpath):
+    try:
+        t = loader.select_template(
+            [
+                "static/directory_index.html",
+                "static/directory_index",
+            ]
+        )
+    except TemplateDoesNotExist:
+        with builtin_template_path("directory_index.html").open(encoding="utf-8") as fh:
+            t = Engine(libraries={"i18n": "django.templatetags.i18n"}).from_string(
+                fh.read()
+            )
+        c = Context()
+    else:
+        c = {}
+    files = []
+    for f in fullpath.iterdir():
+        if not f.name.startswith("."):
+            url = str(f.relative_to(fullpath))
+            if f.is_dir():
+                url += "/"
+            files.append(url)
+    c.update(
+        {
+            "directory": path + "/",
+            "file_list": files,
+        }
+    )
+    return HttpResponse(t.render(c))
+
+
+def was_modified_since(header=None, mtime=0):
+    """
+    Was something modified since the user last downloaded it?
+
+    header
+      This is the value of the If-Modified-Since header.  If this is None,
+      I'll just return True.
+
+    mtime
+      This is the modification time of the item we're talking about.
+    """
+    try:
+        if header is None:
+            raise ValueError
+        header_mtime = parse_http_date(header)
+        if int(mtime) > header_mtime:
+            raise ValueError
+    except (ValueError, OverflowError):
+        return True
+    return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/csrf_403.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/csrf_403.html
new file mode 100644
index 00000000..402a2c6c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/csrf_403.html
@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <meta name="robots" content="NONE,NOARCHIVE">
+  <title>403 Forbidden</title>
+  <style type="text/css">
+    html * { padding:0; margin:0; }
+    body * { padding:10px 20px; }
+    body * * { padding:0; }
+    body { font:small sans-serif; background:#eee; color:#000; }
+    body>div { border-bottom:1px solid #ddd; }
+    h1 { font-weight:normal; margin-bottom:.4em; }
+    h1 span { font-size:60%; color:#666; font-weight:normal; }
+    #info { background:#f6f6f6; }
+    #info ul { margin: 0.5em 4em; }
+    #info p, #summary p { padding-top:10px; }
+    #summary { background: #ffc; }
+    #explanation { background:#eee; border-bottom: 0px none; }
+  </style>
+</head>
+<body>
+<div id="summary">
+  <h1>{{ title }} <span>(403)</span></h1>
+  <p>{{ main }}</p>
+{% if no_referer %}
+  <p>{{ no_referer1 }}</p>
+  <p>{{ no_referer2 }}</p>
+  <p>{{ no_referer3 }}</p>
+{% endif %}
+{% if no_cookie %}
+  <p>{{ no_cookie1 }}</p>
+  <p>{{ no_cookie2 }}</p>
+{% endif %}
+</div>
+{% if DEBUG %}
+<div id="info">
+  <h2>Help</h2>
+    {% if reason %}
+    <p>Reason given for failure:</p>
+    <pre>
+    {{ reason }}
+    </pre>
+    {% endif %}
+
+  <p>In general, this can occur when there is a genuine Cross Site Request Forgery, or when
+  <a
+  href="https://docs.djangoproject.com/en/{{ docs_version }}/ref/csrf/">Django’s
+  CSRF mechanism</a> has not been used correctly.  For POST forms, you need to
+  ensure:</p>
+
+  <ul>
+    <li>Your browser is accepting cookies.</li>
+
+    <li>The view function passes a <code>request</code> to the template’s <a
+    href="https://docs.djangoproject.com/en/dev/topics/templates/#django.template.backends.base.Template.render"><code>render</code></a>
+    method.</li>
+
+    <li>In the template, there is a <code>{% templatetag openblock %} csrf_token
+    {% templatetag closeblock %}</code> template tag inside each POST form that
+    targets an internal URL.</li>
+
+    <li>If you are not using <code>CsrfViewMiddleware</code>, then you must use
+    <code>csrf_protect</code> on any views that use the <code>csrf_token</code>
+    template tag, as well as those that accept the POST data.</li>
+
+    <li>The form has a valid CSRF token. After logging in in another browser
+    tab or hitting the back button after a login, you may need to reload the
+    page with the form, because the token is rotated after a login.</li>
+  </ul>
+
+  <p>You’re seeing the help section of this page because you have <code>DEBUG =
+  True</code> in your Django settings file. Change that to <code>False</code>,
+  and only the initial error message will be displayed.  </p>
+
+  <p>You can customize this page using the CSRF_FAILURE_VIEW setting.</p>
+</div>
+{% else %}
+<div id="explanation">
+  <p><small>{{ more }}</small></p>
+</div>
+{% endif %}
+</body>
+</html>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/default_urlconf.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/default_urlconf.html
new file mode 100644
index 00000000..6bb170cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/default_urlconf.html
@@ -0,0 +1,253 @@
+{% load i18n %}
+<!doctype html>
+{% get_current_language as LANGUAGE_CODE %}{% get_current_language_bidi as LANGUAGE_BIDI %}
+<html lang="{{ LANGUAGE_CODE|default:'en-us' }}" dir="{{ LANGUAGE_BIDI|yesno:'rtl,ltr,auto' }}">
+    <head>
+        <meta charset="utf-8">
+        <title>{% translate "The install worked successfully! Congratulations!" %}</title>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <style>
+          html {
+            line-height: 1.15;
+          }
+          a {
+            color: #19865C;
+          }
+          header {
+            border-bottom: 1px solid #efefef;
+          }
+          body {
+            max-width: 960px;
+            color: #525252;
+            font-family: "Segoe UI", system-ui, sans-serif;
+            margin: 0 auto;
+          }
+          main {
+            text-align: center;
+          }
+          h1, h2, h3, h4, h5, p, ul {
+            padding: 0;
+            margin: 0;
+            font-weight: 400;
+          }
+          header {
+            display: grid;
+            grid-template-columns: auto auto;
+            align-items: self-end;
+            justify-content: space-between;
+            gap: 7px;
+            padding-top: 20px;
+            padding-bottom: 10px;
+          }
+          .logo {
+            font-weight: 700;
+            font-size: 1.375rem;
+            text-decoration: none;
+          }
+          .figure {
+            margin-top: 19vh;
+            max-width: 265px;
+            position: relative;
+            z-index: -9;
+            overflow: visible;
+          }
+          .exhaust__line {
+            animation: thrust 70ms 100 ease-in-out alternate;
+          }
+          .smoke {
+            animation: smoke .1s 70 ease-in-out alternate;
+          }
+          @keyframes smoke {
+            0% {
+              transform: translate3d(-5px, 0, 0);
+            }
+            100% {
+              transform: translate3d(5px, 0, 0);
+            }
+          }
+          .flame {
+            animation: burnInner2 .1s 70 ease-in-out alternate;
+          }
+          @keyframes burnInner2 {
+            0% {
+              transform: translate3d(0, 0, 0);
+            }
+            100% {
+              transform: translate3d(0, 3px, 0);
+            }
+          }
+          @keyframes thrust {
+            0% {
+              opacity: 1;
+            }
+            100% {
+              opacity: .5;
+            }
+          }
+          @media (prefers-reduced-motion: reduce) {
+            .exhaust__line,
+            .smoke,
+            .flame {
+              animation: none;
+            }
+          }
+          h1 {
+            font-size: 1.375rem;
+            max-width: 32rem;
+            margin: 5px auto 0;
+          }
+          main p {
+            line-height: 1.25;
+            max-width: 26rem;
+            margin: 15px auto 0;
+          }
+          footer {
+            display: grid;
+            grid-template-columns: 1fr 1fr 1fr;
+            gap: 5px;
+            padding: 25px 0;
+            position: fixed;
+            box-sizing: border-box;
+            left: 50%;
+            bottom: 0;
+            width: 960px;
+            transform: translateX(-50%);
+            transform-style: preserve-3d;
+            border-top: 1px solid #efefef;
+          }
+          .option {
+            display: grid;
+            grid-template-columns: min-content 1fr;
+            gap: 10px;
+            box-sizing: border-box;
+            text-decoration: none;
+          }
+          .option svg {
+            width: 1.5rem;
+            height: 1.5rem;
+            fill: gray;
+            border: 1px solid #d6d6d6;
+            padding: 5px;
+            border-radius: 100%;
+          }
+          .option p {
+            font-weight: 300;
+            line-height: 1.25;
+            color: #525252;
+            display: table;
+          }
+          .option .option__heading {
+            color: #19865C;
+            font-size: 1.25rem;
+            font-weight: 400;
+          }
+          @media (max-width: 996px) {
+            body, footer {
+              max-width: 780px;
+            }
+          }
+          @media (max-width: 800px) {
+            footer {
+              height: 100%;
+              grid-template-columns: 1fr;
+              gap: 60px;
+              position: relative;
+              padding: 25px;
+            }
+            .figure {
+              margin-top: 10px;
+            }
+            main {
+              padding: 0 25px;
+            }
+            main h1 {
+              font-size: 1.25rem;
+            }
+            header {
+              grid-template-columns: 1fr;
+              padding-left: 20px;
+              padding-right: 20px;
+            }
+            footer {
+              width: 100%;
+              margin-top: 50px;
+            }
+          }
+          @media (min-width: 801px) and (max-height: 730px) {
+            .figure {
+              margin-top: 80px;
+            }
+          }
+          @media (min-width: 801px) and (max-height: 600px) {
+            footer {
+              position: relative;
+              margin: 135px auto 0;
+            }
+            .figure {
+              margin-top: 50px;
+            }
+          }
+          .sr-only {
+            clip: rect(1px, 1px, 1px, 1px);
+            clip-path: inset(50%);
+            height: 1px;
+            overflow: hidden;
+            position: absolute;
+            white-space: nowrap;
+            width: 1px;
+          }
+        </style>
+    </head>
+    <body>
+      <header>
+          <a class="logo" href="https://www.djangoproject.com/" target="_blank" rel="noopener">
+            django
+          </a>
+          <p>{% blocktranslate %}View <a href="https://docs.djangoproject.com/en/{{ version }}/releases/" target="_blank" rel="noopener">release notes</a> for Django {{ version }}{% endblocktranslate %}</p>
+      </header>
+      <main>
+        <svg class="figure" viewBox="0 0 508 268" aria-hidden="true">
+          <path d="M305.2 156.6c0 4.6-.5 9-1.6 13.2-2.5-4.4-5.6-8.4-9.2-12-4.6-4.6-10-8.4-16-11.2 2.8-11.2 4.5-22.9 5-34.6 1.8 1.4 3.5 2.9 5 4.5 10.5 10.3 16.8 24.5 16.8 40.1zm-75-10c-6 2.8-11.4 6.6-16 11.2-3.5 3.6-6.6 7.6-9.1 12-1-4.3-1.6-8.7-1.6-13.2 0-15.7 6.3-29.9 16.6-40.1 1.6-1.6 3.3-3.1 5.1-4.5.6 11.8 2.2 23.4 5 34.6z" fill="#2E3B39" fill-rule="nonzero"/>
+          <path d="M282.981 152.6c16.125-48.1 6.375-104-29.25-142.6-35.625 38.5-45.25 94.5-29.25 142.6h58.5z" stroke="#FFF" stroke-width="3.396" fill="#6DDCBD"/>
+          <path d="M271 29.7c-4.4-10.6-9.9-20.6-16.6-29.7-6.7 9-12.2 19-16.6 29.7H271z" stroke="#FFF" stroke-width="3" fill="#2E3B39"/>
+          <circle fill="#FFF" cx="254.3" cy="76.8" r="15.5"/>
+          <circle stroke="#FFF" stroke-width="7" fill="#6DDCBD" cx="254.3" cy="76.8" r="12.2"/>
+          <path class="smoke" d="M507.812 234.24c0-2.16-.632-4.32-1.58-6.24-3.318-6.72-11.85-11.52-21.804-11.52-1.106 0-2.212.12-3.318.24-.474-11.52-12.956-20.76-28.282-20.76-3.318 0-6.636.48-9.638 1.32-4.74-6.72-14.062-11.28-24.806-11.28-.79 0-1.58 0-2.37.12-.79 0-1.58-.12-2.37-.12-10.744 0-20.066 4.56-24.806 11.28a35.326 35.326 0 00-9.638-1.32c-15.642 0-28.282 9.6-28.282 21.48 0 1.32.158 2.76.474 3.96a26.09 26.09 0 00-4.424-.36c-8.058 0-15.01 3.12-19.118 7.8-3.476-1.68-7.742-2.76-12.324-2.76-12.008 0-21.804 7.08-22.752 15.96h-.158c-9.322 0-17.38 4.32-20.856 10.44-4.108-3.6-10.27-6-17.222-6h-1.264c-6.794 0-12.956 2.28-17.222 6-3.476-6.12-11.534-10.44-20.856-10.44h-.158c-.948-9-10.744-15.96-22.752-15.96-4.582 0-8.69.96-12.324 2.76-4.108-4.68-11.06-7.8-19.118-7.8-1.422 0-3.002.12-4.424.36.316-1.32.474-2.64.474-3.96 0-11.88-12.64-21.48-28.282-21.48-3.318 0-6.636.48-9.638 1.32-4.74-6.72-14.062-11.28-24.806-11.28-.79 0-1.58 0-2.37.12-.79 0-1.58-.12-2.37-.12-10.744 0-20.066 4.56-24.806 11.28a35.326 35.326 0 00-9.638-1.32c-15.326 0-27.808 9.24-28.282 20.76-1.106-.12-2.212-.24-3.318-.24-9.954 0-18.486 4.8-21.804 11.52-.948 1.92-1.58 4.08-1.58 6.24 0 4.8 2.528 9.12 6.636 12.36-.79 1.44-1.264 3.12-1.264 4.8 0 7.2 7.742 13.08 17.222 13.08h462.15c9.48 0 17.222-5.88 17.222-13.08 0-1.68-.474-3.36-1.264-4.8 4.582-3.24 7.11-7.56 7.11-12.36z" fill="#E6E9EE"/>
+          <path fill="#6DDCBD" d="M239 152h30v8h-30z"/>
+          <path class="exhaust__line" fill="#E6E9EE" d="M250 172h7v90h-7z"/>
+          <path class="flame" d="M250.27 178.834l-5.32-8.93s-2.47-5.7 3.458-6.118h10.26s6.232.266 3.306 6.194l-5.244 8.93s-3.23 4.37-6.46 0v-.076z" fill="#AA2247"/>
+        </svg>
+        <h1>{% translate "The install worked successfully! Congratulations!" %}</h1>
+        <p>{% blocktranslate %}You are seeing this page because <a href="https://docs.djangoproject.com/en/{{ version }}/ref/settings/#debug" target="_blank" rel="noopener">DEBUG=True</a> is in your settings file and you have not configured any URLs.{% endblocktranslate %}</p>
+      </main>
+      <footer>
+        <a class="option" href="https://docs.djangoproject.com/en/{{ version }}/" target="_blank" rel="noopener">
+          <svg viewBox="0 0 24 24" aria-hidden="true">
+            <path d="M9 21c0 .55.45 1 1 1h4c.55 0 1-.45 1-1v-1H9v1zm3-19C8.14 2 5 5.14 5 9c0 2.38 1.19 4.47 3 5.74V17c0 .55.45 1 1 1h6c.55 0 1-.45 1-1v-2.26c1.81-1.27 3-3.36 3-5.74 0-3.86-3.14-7-7-7zm2.85 11.1l-.85.6V16h-4v-2.3l-.85-.6A4.997 4.997 0 017 9c0-2.76 2.24-5 5-5s5 2.24 5 5c0 1.63-.8 3.16-2.15 4.1z"></path>
+          </svg>
+          <p>
+            <span class="option__heading">{% translate "Django Documentation" %}</span><span class="sr-only">.</span><br>
+            {% translate 'Topics, references, &amp; how-to’s' %}
+          </p>
+        </a>
+        <a class="option" href="https://docs.djangoproject.com/en/{{ version }}/intro/tutorial01/" target="_blank" rel="noopener">
+          <svg viewBox="0 0 24 24" aria-hidden="true">
+            <path d="M9.4 16.6L4.8 12l4.6-4.6L8 6l-6 6 6 6 1.4-1.4zm5.2 0l4.6-4.6-4.6-4.6L16 6l6 6-6 6-1.4-1.4z"></path>
+          </svg>
+          <p>
+            <span class="option__heading">{% translate "Tutorial: A Polling App" %}</span><span class="sr-only">.</span><br>
+            {% translate "Get started with Django" %}
+          </p>
+        </a>
+        <a class="option" href="https://www.djangoproject.com/community/" target="_blank" rel="noopener">
+          <svg viewBox="0 0 24 24" aria-hidden="true">
+            <path d="M16.5 13c-1.2 0-3.07.34-4.5 1-1.43-.67-3.3-1-4.5-1C5.33 13 1 14.08 1 16.25V19h22v-2.75c0-2.17-4.33-3.25-6.5-3.25zm-4 4.5h-10v-1.25c0-.54 2.56-1.75 5-1.75s5 1.21 5 1.75v1.25zm9 0H14v-1.25c0-.46-.2-.86-.52-1.22.88-.3 1.96-.53 3.02-.53 2.44 0 5 1.21 5 1.75v1.25zM7.5 12c1.93 0 3.5-1.57 3.5-3.5S9.43 5 7.5 5 4 6.57 4 8.5 5.57 12 7.5 12zm0-5.5c1.1 0 2 .9 2 2s-.9 2-2 2-2-.9-2-2 .9-2 2-2zm9 5.5c1.93 0 3.5-1.57 3.5-3.5S18.43 5 16.5 5 13 6.57 13 8.5s1.57 3.5 3.5 3.5zm0-5.5c1.1 0 2 .9 2 2s-.9 2-2 2-2-.9-2-2 .9-2 2-2z"></path>
+          </svg>
+          <p>
+            <span class="option__heading">{% translate "Django Community" %}</span><span class="sr-only">.</span><br>
+            {% translate "Connect, get help, or contribute" %}
+          </p>
+        </a>
+      </footer>
+    </body>
+</html>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/directory_index.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/directory_index.html
new file mode 100644
index 00000000..d67e5e0e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/directory_index.html
@@ -0,0 +1,21 @@
+{% load i18n %}
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta http-equiv="Content-type" content="text/html; charset=utf-8">
+    <meta http-equiv="Content-Language" content="en-us">
+    <meta name="robots" content="NONE,NOARCHIVE">
+    <title>{% blocktranslate %}Index of {{ directory }}{% endblocktranslate %}</title>
+  </head>
+  <body>
+    <h1>{% blocktranslate %}Index of {{ directory }}{% endblocktranslate %}</h1>
+    <ul>
+      {% if directory != "/" %}
+      <li><a href="../">../</a></li>
+      {% endif %}
+      {% for f in file_list %}
+      <li><a href="{{ f|urlencode }}">{{ f }}</a></li>
+      {% endfor %}
+    </ul>
+  </body>
+</html>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/i18n_catalog.js b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/i18n_catalog.js
new file mode 100644
index 00000000..b1fe4a9a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/i18n_catalog.js
@@ -0,0 +1,102 @@
+{% autoescape off %}
+'use strict';
+{
+  const globals = this;
+  const django = globals.django || (globals.django = {});
+
+  {% if plural %}
+  django.pluralidx = function(n) {
+    const v = {{ plural }};
+    if (typeof v === 'boolean') {
+      return v ? 1 : 0;
+    } else {
+      return v;
+    }
+  };
+  {% else %}
+  django.pluralidx = function(count) { return (count == 1) ? 0 : 1; };
+  {% endif %}
+
+  /* gettext library */
+
+  django.catalog = django.catalog || {};
+  {% if catalog_str %}
+  const newcatalog = {{ catalog_str }};
+  for (const key in newcatalog) {
+    django.catalog[key] = newcatalog[key];
+  }
+  {% endif %}
+
+  if (!django.jsi18n_initialized) {
+    django.gettext = function(msgid) {
+      const value = django.catalog[msgid];
+      if (typeof value === 'undefined') {
+        return msgid;
+      } else {
+        return (typeof value === 'string') ? value : value[0];
+      }
+    };
+
+    django.ngettext = function(singular, plural, count) {
+      const value = django.catalog[singular];
+      if (typeof value === 'undefined') {
+        return (count == 1) ? singular : plural;
+      } else {
+        return value.constructor === Array ? value[django.pluralidx(count)] : value;
+      }
+    };
+
+    django.gettext_noop = function(msgid) { return msgid; };
+
+    django.pgettext = function(context, msgid) {
+      let value = django.gettext(context + '\x04' + msgid);
+      if (value.includes('\x04')) {
+        value = msgid;
+      }
+      return value;
+    };
+
+    django.npgettext = function(context, singular, plural, count) {
+      let value = django.ngettext(context + '\x04' + singular, context + '\x04' + plural, count);
+      if (value.includes('\x04')) {
+        value = django.ngettext(singular, plural, count);
+      }
+      return value;
+    };
+
+    django.interpolate = function(fmt, obj, named) {
+      if (named) {
+        return fmt.replace(/%\(\w+\)s/g, function(match){return String(obj[match.slice(2,-2)])});
+      } else {
+        return fmt.replace(/%s/g, function(match){return String(obj.shift())});
+      }
+    };
+
+
+    /* formatting library */
+
+    django.formats = {{ formats_str }};
+
+    django.get_format = function(format_type) {
+      const value = django.formats[format_type];
+      if (typeof value === 'undefined') {
+        return format_type;
+      } else {
+        return value;
+      }
+    };
+
+    /* add to global namespace */
+    globals.pluralidx = django.pluralidx;
+    globals.gettext = django.gettext;
+    globals.ngettext = django.ngettext;
+    globals.gettext_noop = django.gettext_noop;
+    globals.pgettext = django.pgettext;
+    globals.npgettext = django.npgettext;
+    globals.interpolate = django.interpolate;
+    globals.get_format = django.get_format;
+
+    django.jsi18n_initialized = true;
+  }
+};
+{% endautoescape %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_404.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_404.html
new file mode 100644
index 00000000..c47dae22
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_404.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <title>Page not found at {{ request.path_info }}</title>
+  <meta name="robots" content="NONE,NOARCHIVE">
+  <style type="text/css">
+    html * { padding:0; margin:0; }
+    body * { padding:10px 20px; }
+    body * * { padding:0; }
+    body { font:small sans-serif; background:#eee; color:#000; }
+    body>div { border-bottom:1px solid #ddd; }
+    h1 { font-weight:normal; margin-bottom:.4em; }
+    h1 span { font-size:60%; color:#666; font-weight:normal; }
+    table { border:none; border-collapse: collapse; width:100%; }
+    td, th { vertical-align:top; padding:2px 3px; }
+    th { width:12em; text-align:right; color:#666; padding-right:.5em; }
+    #info { background:#f6f6f6; }
+    #info ol { margin: 0.5em 4em; }
+    #info ol li { font-family: monospace; }
+    #summary { background: #ffc; }
+    #explanation { background:#eee; border-bottom: 0px none; }
+    pre.exception_value { font-family: sans-serif; color: #575757; font-size: 1.5em; margin: 10px 0 10px 0; }
+  </style>
+</head>
+<body>
+  <div id="summary">
+    <h1>Page not found <span>(404)</span></h1>
+    {% if reason and resolved %}<pre class="exception_value">{{ reason }}</pre>{% endif %}
+    <table class="meta">
+      <tr>
+        <th>Request Method:</th>
+        <td>{{ request.META.REQUEST_METHOD }}</td>
+      </tr>
+      <tr>
+        <th>Request URL:</th>
+        <td>{{ request.build_absolute_uri }}</td>
+      </tr>
+      {% if raising_view_name %}
+      <tr>
+        <th>Raised by:</th>
+        <td>{{ raising_view_name }}</td>
+      </tr>
+      {% endif %}
+    </table>
+  </div>
+  <div id="info">
+    {% if urlpatterns %}
+      <p>
+      Using the URLconf defined in <code>{{ urlconf }}</code>,
+      Django tried these URL patterns, in this order:
+      </p>
+      <ol>
+        {% for pattern in urlpatterns %}
+          <li>
+            {% for pat in pattern %}
+                {{ pat.pattern }}
+                {% if forloop.last and pat.name %}[name='{{ pat.name }}']{% endif %}
+            {% endfor %}
+          </li>
+        {% endfor %}
+      </ol>
+      <p>
+        {% if request_path %}
+          The current path, <code>{{ request_path }}</code>,
+        {% else %}
+          The empty path
+        {% endif %}
+        {% if resolved %}matched the last one.{% else %}didn’t match any of these.{% endif %}
+      </p>
+    {% endif %}
+  </div>
+
+  <div id="explanation">
+    <p>
+      You’re seeing this error because you have <code>DEBUG = True</code> in
+      your Django settings file. Change that to <code>False</code>, and Django
+      will display a standard 404 page.
+    </p>
+  </div>
+</body>
+</html>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_500.html b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_500.html
new file mode 100644
index 00000000..a5c18714
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_500.html
@@ -0,0 +1,491 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <meta name="robots" content="NONE,NOARCHIVE">
+  <title>{% if exception_type %}{{ exception_type }}{% else %}Report{% endif %}
+         {% if request %} at {{ request.path_info }}{% endif %}</title>
+  <style type="text/css">
+    html * { padding:0; margin:0; }
+    body * { padding:10px 20px; }
+    body * * { padding:0; }
+    body { font:small sans-serif; background-color:#fff; color:#000; }
+    body>div { border-bottom:1px solid #ddd; }
+    h1 { font-weight:normal; }
+    h2 { margin-bottom:.8em; }
+    h3 { margin:1em 0 .5em 0; }
+    h4 { margin:0 0 .5em 0; font-weight: normal; }
+    code, pre { font-size: 100%; white-space: pre-wrap; word-break: break-word; }
+    summary { cursor: pointer; }
+    table { border:1px solid #ccc; border-collapse: collapse; width:100%; background:white; }
+    tbody td, tbody th { vertical-align:top; padding:2px 3px; }
+    thead th {
+      padding:1px 6px 1px 3px; background:#fefefe; text-align:left;
+      font-weight:normal; font-size:11px; border:1px solid #ddd;
+    }
+    tbody th { width:12em; text-align:right; color:#666; padding-right:.5em; }
+    table.vars { margin:5px 10px 2px 40px; width: auto; }
+    table.vars td, table.req td { font-family:monospace; }
+    table td.code { width:100%; }
+    table td.code pre { overflow:hidden; }
+    table.source th { color:#666; }
+    table.source td { font-family:monospace; white-space:pre; border-bottom:1px solid #eee; }
+    ul.traceback { list-style-type:none; color: #222; }
+    ul.traceback li.cause { word-break: break-word; }
+    ul.traceback li.frame { padding-bottom:1em; color:#4f4f4f; }
+    ul.traceback li.user { background-color:#e0e0e0; color:#000 }
+    div.context { padding:10px 0; overflow:hidden; }
+    div.context ol { padding-left:30px; margin:0 10px; list-style-position: inside; }
+    div.context ol li { font-family:monospace; white-space:pre; color:#777; cursor:pointer; padding-left: 2px; }
+    div.context ol li pre { display:inline; }
+    div.context ol.context-line li { color:#464646; background-color:#dfdfdf; padding: 3px 2px; }
+    div.context ol.context-line li span { position:absolute; right:32px; }
+    .user div.context ol.context-line li { background-color:#bbb; color:#000; }
+    .user div.context ol li { color:#666; }
+    div.commands, summary.commands { margin-left: 40px; }
+    div.commands a, summary.commands { color:#555; text-decoration:none; }
+    .user div.commands a { color: black; }
+    #summary { background: #ffc; }
+    #summary h2 { font-weight: normal; color: #666; }
+    #explanation { background:#eee; }
+    #template, #template-not-exist { background:#f6f6f6; }
+    #template-not-exist ul { margin: 0 0 10px 20px; }
+    #template-not-exist .postmortem-section { margin-bottom: 3px; }
+    #unicode-hint { background:#eee; }
+    #traceback { background:#eee; }
+    #requestinfo { background:#f6f6f6; padding-left:120px; }
+    #summary table { border:none; background:transparent; }
+    #requestinfo h2, #requestinfo h3 { position:relative; margin-left:-100px; }
+    #requestinfo h3 { margin-bottom:-1em; }
+    .error { background: #ffc; }
+    .specific { color:#cc3300; font-weight:bold; }
+    h2 span.commands { font-size:.7em; font-weight:normal; }
+    span.commands a:link {color:#5E5694;}
+    pre.exception_value { font-family: sans-serif; color: #575757; font-size: 1.5em; margin: 10px 0 10px 0; }
+    .append-bottom { margin-bottom: 10px; }
+    .fname { user-select: all; }
+  </style>
+  {% if not is_email %}
+  <script>
+    function hideAll(elems) {
+      for (var e = 0; e < elems.length; e++) {
+        elems[e].style.display = 'none';
+      }
+    }
+    window.onload = function() {
+      hideAll(document.querySelectorAll('ol.pre-context'));
+      hideAll(document.querySelectorAll('ol.post-context'));
+      hideAll(document.querySelectorAll('div.pastebin'));
+    }
+    function toggle() {
+      for (var i = 0; i < arguments.length; i++) {
+        var e = document.getElementById(arguments[i]);
+        if (e) {
+          e.style.display = e.style.display == 'none' ? 'block': 'none';
+        }
+      }
+      return false;
+    }
+    function switchPastebinFriendly(link) {
+      s1 = "Switch to copy-and-paste view";
+      s2 = "Switch back to interactive view";
+      link.textContent = link.textContent.trim() == s1 ? s2: s1;
+      toggle('browserTraceback', 'pastebinTraceback');
+      return false;
+    }
+  </script>
+  {% endif %}
+</head>
+<body>
+<div id="summary">
+  <h1>{% if exception_type %}{{ exception_type }}{% else %}Report{% endif %}
+      {% if request %} at {{ request.path_info }}{% endif %}</h1>
+  <pre class="exception_value">{% if exception_value %}{{ exception_value|force_escape }}{% if exception_notes %}{{ exception_notes }}{% endif %}{% else %}No exception message supplied{% endif %}</pre>
+  <table class="meta">
+{% if request %}
+    <tr>
+      <th>Request Method:</th>
+      <td>{{ request.META.REQUEST_METHOD }}</td>
+    </tr>
+    <tr>
+      <th>Request URL:</th>
+      <td>{{ request_insecure_uri }}</td>
+    </tr>
+{% endif %}
+    <tr>
+      <th>Django Version:</th>
+      <td>{{ django_version_info }}</td>
+    </tr>
+{% if exception_type %}
+    <tr>
+      <th>Exception Type:</th>
+      <td>{{ exception_type }}</td>
+    </tr>
+{% endif %}
+{% if exception_type and exception_value %}
+    <tr>
+      <th>Exception Value:</th>
+      <td><pre>{{ exception_value|force_escape }}</pre></td>
+    </tr>
+{% endif %}
+{% if lastframe %}
+    <tr>
+      <th>Exception Location:</th>
+      <td><span class="fname">{{ lastframe.filename }}</span>, line {{ lastframe.lineno }}, in {{ lastframe.function }}</td>
+    </tr>
+{% endif %}
+{% if raising_view_name %}
+    <tr>
+      <th>Raised during:</th>
+      <td>{{ raising_view_name }}</td>
+    </tr>
+{% endif %}
+    <tr>
+      <th>Python Executable:</th>
+      <td>{{ sys_executable }}</td>
+    </tr>
+    <tr>
+      <th>Python Version:</th>
+      <td>{{ sys_version_info }}</td>
+    </tr>
+    <tr>
+      <th>Python Path:</th>
+      <td><pre>{{ sys_path|pprint }}</pre></td>
+    </tr>
+    <tr>
+      <th>Server time:</th>
+      <td>{{server_time|date:"r"}}</td>
+    </tr>
+  </table>
+</div>
+{% if unicode_hint %}
+<div id="unicode-hint">
+    <h2>Unicode error hint</h2>
+    <p>The string that could not be encoded/decoded was: <strong>{{ unicode_hint }}</strong></p>
+</div>
+{% endif %}
+{% if template_does_not_exist %}
+<div id="template-not-exist">
+    <h2>Template-loader postmortem</h2>
+    {% if postmortem %}
+        <p class="append-bottom">Django tried loading these templates, in this order:</p>
+        {% for entry in postmortem %}
+            <p class="postmortem-section">Using engine <code>{{ entry.backend.name }}</code>:</p>
+            <ul>
+                {% if entry.tried %}
+                    {% for attempt in entry.tried %}
+                        <li><code>{{ attempt.0.loader_name }}</code>: {{ attempt.0.name }} ({{ attempt.1 }})</li>
+                    {% endfor %}
+                {% else %}
+                    <li>This engine did not provide a list of tried templates.</li>
+                {% endif %}
+            </ul>
+        {% endfor %}
+    {% else %}
+        <p>No templates were found because your 'TEMPLATES' setting is not configured.</p>
+    {% endif %}
+</div>
+{% endif %}
+{% if template_info %}
+<div id="template">
+   <h2>Error during template rendering</h2>
+   <p>In template <code>{{ template_info.name }}</code>, error at line <strong>{{ template_info.line }}</strong></p>
+   <h3>{{ template_info.message|force_escape }}</h3>
+   <table class="source{% if template_info.top %} cut-top{% endif %}
+      {% if template_info.bottom != template_info.total %} cut-bottom{% endif %}">
+   {% for source_line in template_info.source_lines %}
+   {% if source_line.0 == template_info.line %}
+   <tr class="error"><th>{{ source_line.0 }}</th>
+     <td>{{ template_info.before }}<span class="specific">{{ template_info.during }}</span>{{ template_info.after }}</td>
+   </tr>
+   {% else %}
+      <tr><th>{{ source_line.0 }}</th>
+      <td>{{ source_line.1 }}</td></tr>
+   {% endif %}
+   {% endfor %}
+   </table>
+</div>
+{% endif %}
+{% if frames %}
+<div id="traceback">
+  <h2>Traceback{% if not is_email %} <span class="commands"><a href="#" onclick="return switchPastebinFriendly(this);">
+    Switch to copy-and-paste view</a></span>{% endif %}
+  </h2>
+  <div id="browserTraceback">
+    <ul class="traceback">
+      {% for frame in frames %}
+        {% ifchanged frame.exc_cause %}{% if frame.exc_cause %}
+          <li class="cause"><h3>
+          {% if frame.exc_cause_explicit %}
+            The above exception ({{ frame.exc_cause|force_escape }}) was the direct cause of the following exception:
+          {% else %}
+            During handling of the above exception ({{ frame.exc_cause|force_escape }}), another exception occurred:
+          {% endif %}
+        </h3></li>
+        {% endif %}{% endifchanged %}
+        <li class="frame {{ frame.type }}">
+          {% if frame.tb %}
+            <code class="fname">{{ frame.filename }}</code>, line {{ frame.lineno }}, in {{ frame.function }}
+          {% elif forloop.first %}
+            None
+          {% else %}
+            Traceback: None
+          {% endif %}
+
+          {% if frame.context_line %}
+            <div class="context" id="c{{ frame.id }}">
+              {% if frame.pre_context and not is_email %}
+                <ol start="{{ frame.pre_context_lineno }}" class="pre-context" id="pre{{ frame.id }}">
+                {% for line in frame.pre_context %}
+                  <li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')"><pre>{{ line }}</pre></li>
+                {% endfor %}
+                </ol>
+              {% endif %}
+              <ol start="{{ frame.lineno }}" class="context-line">
+                <li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')"><pre>{{ frame.context_line }}{{ frame.colno }}</pre>{% if not is_email %} <span>…</span>{% endif %}</li>
+              </ol>
+              {% if frame.post_context and not is_email  %}
+                <ol start='{{ frame.lineno|add:"1" }}' class="post-context" id="post{{ frame.id }}">
+                  {% for line in frame.post_context %}
+                  <li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')"><pre>{{ line }}</pre></li>
+                  {% endfor %}
+              </ol>
+              {% endif %}
+            </div>
+          {% endif %}
+
+          {% if frame.vars %}
+            {% if is_email %}
+              <div class="commands">
+                <h2>Local Vars</h2>
+              </div>
+            {% else %}
+              <details>
+                <summary class="commands">Local vars</summary>
+            {% endif %}
+            <table class="vars" id="v{{ frame.id }}">
+              <thead>
+                <tr>
+                  <th>Variable</th>
+                  <th>Value</th>
+                </tr>
+              </thead>
+              <tbody>
+                {% for var in frame.vars|dictsort:0 %}
+                  <tr>
+                    <td>{{ var.0 }}</td>
+                    <td class="code"><pre>{{ var.1 }}</pre></td>
+                  </tr>
+                {% endfor %}
+              </tbody>
+            </table>
+            {% if not is_email %}</details>{% endif %}
+          {% endif %}
+        </li>
+      {% endfor %}
+    </ul>
+  </div>
+{% if not is_email %}
+  <form action="https://dpaste.com/" name="pasteform" id="pasteform" method="post">
+  <div id="pastebinTraceback" class="pastebin">
+    <input type="hidden" name="language" value="PythonConsole">
+    <input type="hidden" name="title"
+      value="{{ exception_type }}{% if request %} at {{ request.path_info }}{% endif %}">
+    <input type="hidden" name="source" value="Django Dpaste Agent">
+    <input type="hidden" name="poster" value="Django">
+    <textarea name="content" id="traceback_area" cols="140" rows="25">
+Environment:
+
+{% if request %}
+Request Method: {{ request.META.REQUEST_METHOD }}
+Request URL: {{ request_insecure_uri }}
+{% endif %}
+Django Version: {{ django_version_info }}
+Python Version: {{ sys_version_info }}
+Installed Applications:
+{{ settings.INSTALLED_APPS|pprint }}
+Installed Middleware:
+{{ settings.MIDDLEWARE|pprint }}
+
+{% if template_does_not_exist %}Template loader postmortem
+{% if postmortem %}Django tried loading these templates, in this order:
+{% for entry in postmortem %}
+Using engine {{ entry.backend.name }}:
+{% if entry.tried %}{% for attempt in entry.tried %}    * {{ attempt.0.loader_name }}: {{ attempt.0.name }} ({{ attempt.1 }})
+{% endfor %}{% else %}    This engine did not provide a list of tried templates.
+{% endif %}{% endfor %}
+{% else %}No templates were found because your 'TEMPLATES' setting is not configured.
+{% endif %}{% endif %}{% if template_info %}
+Template error:
+In template {{ template_info.name }}, error at line {{ template_info.line }}
+   {{ template_info.message|force_escape }}
+{% for source_line in template_info.source_lines %}{% if source_line.0 == template_info.line %}   {{ source_line.0 }} : {{ template_info.before }} {{ template_info.during }} {{ template_info.after }}{% else %}   {{ source_line.0 }} : {{ source_line.1 }}{% endif %}{% endfor %}{% endif %}
+
+Traceback (most recent call last):{% for frame in frames %}
+{% ifchanged frame.exc_cause %}{% if frame.exc_cause %}{% if frame.exc_cause_explicit %}
+The above exception ({{ frame.exc_cause|force_escape }}) was the direct cause of the following exception:
+{% else %}
+During handling of the above exception ({{ frame.exc_cause|force_escape }}), another exception occurred:
+{% endif %}{% endif %}{% endifchanged %}  {% if frame.tb %}File "{{ frame.filename }}"{% if frame.context_line %}, line {{ frame.lineno }}{% endif %}, in {{ frame.function }}
+{% if frame.context_line %}    {% spaceless %}{{ frame.context_line }}{% endspaceless %}{{ frame.tb_area_colno }}{% endif %}{% elif forloop.first %}None{% else %}Traceback: None{% endif %}{% endfor %}
+
+Exception Type: {{ exception_type }}{% if request %} at {{ request.path_info }}{% endif %}
+Exception Value: {{ exception_value|force_escape }}{% if exception_notes %}{{ exception_notes }}{% endif %}
+</textarea>
+  <br><br>
+  <input type="submit" value="Share this traceback on a public website">
+  </div>
+</form>
+{% endif %}
+</div>
+{% endif %}
+
+<div id="requestinfo">
+  <h2>Request information</h2>
+
+{% if request %}
+  {% if user_str %}
+    <h3 id="user-info">USER</h3>
+    <p>{{ user_str }}</p>
+  {% endif %}
+
+  <h3 id="get-info">GET</h3>
+  {% if request.GET %}
+    <table class="req">
+      <thead>
+        <tr>
+          <th>Variable</th>
+          <th>Value</th>
+        </tr>
+      </thead>
+      <tbody>
+        {% for k, v in request_GET_items %}
+          <tr>
+            <td>{{ k }}</td>
+            <td class="code"><pre>{{ v|pprint }}</pre></td>
+          </tr>
+        {% endfor %}
+      </tbody>
+    </table>
+  {% else %}
+    <p>No GET data</p>
+  {% endif %}
+
+  <h3 id="post-info">POST</h3>
+  {% if filtered_POST_items %}
+    <table class="req">
+      <thead>
+        <tr>
+          <th>Variable</th>
+          <th>Value</th>
+        </tr>
+      </thead>
+      <tbody>
+        {% for k, v in filtered_POST_items %}
+          <tr>
+            <td>{{ k }}</td>
+            <td class="code"><pre>{{ v|pprint }}</pre></td>
+          </tr>
+        {% endfor %}
+      </tbody>
+    </table>
+  {% else %}
+    <p>No POST data</p>
+  {% endif %}
+
+  <h3 id="files-info">FILES</h3>
+  {% if request.FILES %}
+    <table class="req">
+      <thead>
+        <tr>
+          <th>Variable</th>
+          <th>Value</th>
+        </tr>
+      </thead>
+      <tbody>
+        {% for k, v in request_FILES_items %}
+          <tr>
+            <td>{{ k }}</td>
+            <td class="code"><pre>{{ v|pprint }}</pre></td>
+          </tr>
+        {% endfor %}
+      </tbody>
+    </table>
+  {% else %}
+    <p>No FILES data</p>
+  {% endif %}
+
+  <h3 id="cookie-info">COOKIES</h3>
+  {% if request.COOKIES %}
+    <table class="req">
+      <thead>
+        <tr>
+          <th>Variable</th>
+          <th>Value</th>
+        </tr>
+      </thead>
+      <tbody>
+        {% for k, v in request_COOKIES_items %}
+          <tr>
+            <td>{{ k }}</td>
+            <td class="code"><pre>{{ v|pprint }}</pre></td>
+          </tr>
+        {% endfor %}
+      </tbody>
+    </table>
+  {% else %}
+    <p>No cookie data</p>
+  {% endif %}
+
+  <h3 id="meta-info">META</h3>
+  <table class="req">
+    <thead>
+      <tr>
+        <th>Variable</th>
+        <th>Value</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for k, v in request_meta.items|dictsort:0 %}
+        <tr>
+          <td>{{ k }}</td>
+          <td class="code"><pre>{{ v|pprint }}</pre></td>
+        </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+{% else %}
+  <p>Request data not supplied</p>
+{% endif %}
+
+  <h3 id="settings-info">Settings</h3>
+  <h4>Using settings module <code>{{ settings.SETTINGS_MODULE }}</code></h4>
+  <table class="req">
+    <thead>
+      <tr>
+        <th>Setting</th>
+        <th>Value</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for k, v in settings.items|dictsort:0 %}
+        <tr>
+          <td>{{ k }}</td>
+          <td class="code"><pre>{{ v|pprint }}</pre></td>
+        </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+
+</div>
+{% if not is_email %}
+  <div id="explanation">
+    <p>
+      You’re seeing this error because you have <code>DEBUG = True</code> in your
+      Django settings file. Change that to <code>False</code>, and Django will
+      display a standard page generated by the handler for this status code.
+    </p>
+  </div>
+{% endif %}
+</body>
+</html>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_500.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_500.txt
new file mode 100644
index 00000000..5a75324e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django/views/templates/technical_500.txt
@@ -0,0 +1,66 @@
+{% firstof exception_type 'Report' %}{% if request %} at {{ request.path_info }}{% endif %}
+{% firstof exception_value 'No exception message supplied' %}
+{% if request %}
+Request Method: {{ request.META.REQUEST_METHOD }}
+Request URL: {{ request_insecure_uri }}{% endif %}
+Django Version: {{ django_version_info }}
+Python Executable: {{ sys_executable }}
+Python Version: {{ sys_version_info }}
+Python Path: {{ sys_path }}
+Server time: {{server_time|date:"r"}}
+Installed Applications:
+{{ settings.INSTALLED_APPS|pprint }}
+Installed Middleware:
+{{ settings.MIDDLEWARE|pprint }}
+{% if template_does_not_exist %}Template loader postmortem
+{% if postmortem %}Django tried loading these templates, in this order:
+{% for entry in postmortem %}
+Using engine {{ entry.backend.name }}:
+{% if entry.tried %}{% for attempt in entry.tried %}    * {{ attempt.0.loader_name }}: {{ attempt.0.name }} ({{ attempt.1 }})
+{% endfor %}{% else %}    This engine did not provide a list of tried templates.
+{% endif %}{% endfor %}
+{% else %}No templates were found because your 'TEMPLATES' setting is not configured.
+{% endif %}
+{% endif %}{% if template_info %}
+Template error:
+In template {{ template_info.name }}, error at line {{ template_info.line }}
+   {{ template_info.message }}
+{% for source_line in template_info.source_lines %}{% if source_line.0 == template_info.line %}   {{ source_line.0 }} : {{ template_info.before }} {{ template_info.during }} {{ template_info.after }}{% else %}   {{ source_line.0 }} : {{ source_line.1 }}{% endif %}{% endfor %}{% endif %}{% if frames %}
+
+Traceback (most recent call last):
+{% for frame in frames %}{% ifchanged frame.exc_cause %}{% if frame.exc_cause %}
+{% if frame.exc_cause_explicit %}The above exception ({{ frame.exc_cause }}) was the direct cause of the following exception:{% else %}During handling of the above exception ({{ frame.exc_cause }}), another exception occurred:{% endif %}
+{% endif %}{% endifchanged %}  {% if frame.tb %}File "{{ frame.filename }}"{% if frame.context_line %}, line {{ frame.lineno }}{% endif %}, in {{ frame.function }}
+{% if frame.context_line %}    {% spaceless %}{{ frame.context_line }}{% endspaceless %}{{ frame.tb_area_colno }}{% endif %}{% elif forloop.first %}None{% else %}Traceback: None{% endif %}
+{% endfor %}
+{% if exception_type %}Exception Type: {{ exception_type }}{% if request %} at {{ request.path_info }}{% endif %}
+{% if exception_value %}Exception Value: {{ exception_value }}{% endif %}{% if exception_notes %}{{ exception_notes }}{% endif %}{% endif %}{% endif %}
+{% if raising_view_name %}Raised during: {{ raising_view_name }}{% endif %}
+{% if request %}Request information:
+{% if user_str %}USER: {{ user_str }}{% endif %}
+
+GET:{% for k, v in request_GET_items %}
+{{ k }} = {{ v|stringformat:"r" }}{% empty %} No GET data{% endfor %}
+
+POST:{% for k, v in filtered_POST_items %}
+{{ k }} = {{ v|stringformat:"r" }}{% empty %} No POST data{% endfor %}
+
+FILES:{% for k, v in request_FILES_items %}
+{{ k }} = {{ v|stringformat:"r" }}{% empty %} No FILES data{% endfor %}
+
+COOKIES:{% for k, v in request_COOKIES_items %}
+{{ k }} = {{ v|stringformat:"r" }}{% empty %} No cookie data{% endfor %}
+
+META:{% for k, v in request_meta.items|dictsort:0 %}
+{{ k }} = {{ v|stringformat:"r" }}{% endfor %}
+{% else %}Request data not supplied
+{% endif %}
+Settings:
+Using settings module {{ settings.SETTINGS_MODULE }}{% for k, v in settings.items|dictsort:0 %}
+{{ k }} = {{ v|stringformat:"r" }}{% endfor %}
+
+{% if not is_email %}
+You’re seeing this error because you have DEBUG = True in your
+Django settings file. Change that to False, and Django will
+display a standard page generated by the handler for this status code.
+{% endif %}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/INSTALLER b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/INSTALLER
new file mode 100644
index 00000000..a1b589e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/LICENSE b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/LICENSE
new file mode 100644
index 00000000..68df125c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Otto Yiu (https://ottoyiu.com) and other contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/METADATA b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/METADATA
new file mode 100644
index 00000000..a7b05f5e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/METADATA
@@ -0,0 +1,443 @@
+Metadata-Version: 2.1
+Name: django-cors-headers
+Version: 4.3.1
+Summary: django-cors-headers is a Django application for handling the server headers required for Cross-Origin Resource Sharing (CORS).
+Author-email: Otto Yiu <otto@live.ca>
+Maintainer-email: Adam Johnson <me@adamj.eu>
+License: MIT
+Project-URL: Changelog, https://github.com/adamchainz/django-cors-headers/blob/main/CHANGELOG.rst
+Project-URL: Funding, https://adamj.eu/books/
+Project-URL: Repository, https://github.com/adamchainz/django-cors-headers
+Keywords: api,cors,django,middleware,rest
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Web Environment
+Classifier: Framework :: Django
+Classifier: Framework :: Django :: 3.2
+Classifier: Framework :: Django :: 4.0
+Classifier: Framework :: Django :: 4.1
+Classifier: Framework :: Django :: 4.2
+Classifier: Framework :: Django :: 5.0
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Natural Language :: English
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: 3.9
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: 3.11
+Classifier: Programming Language :: Python :: 3.12
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Typing :: Typed
+Requires-Python: >=3.8
+Description-Content-Type: text/x-rst
+License-File: LICENSE
+Requires-Dist: asgiref >=3.6
+Requires-Dist: Django >=3.2
+
+===================
+django-cors-headers
+===================
+
+.. image:: https://img.shields.io/github/actions/workflow/status/adamchainz/django-cors-headers/main.yml?branch=main&style=for-the-badge
+   :target: https://github.com/adamchainz/django-cors-headers/actions?workflow=CI
+
+.. image:: https://img.shields.io/badge/Coverage-100%25-success?style=for-the-badge
+  :target: https://github.com/adamchainz/django-cors-headers/actions?workflow=CI
+
+.. image:: https://img.shields.io/pypi/v/django-cors-headers.svg?style=for-the-badge
+    :target: https://pypi.org/project/django-cors-headers/
+
+.. image:: https://img.shields.io/badge/code%20style-black-000000.svg?style=for-the-badge
+    :target: https://github.com/psf/black
+
+.. image:: https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit&logoColor=white&style=for-the-badge
+   :target: https://github.com/pre-commit/pre-commit
+   :alt: pre-commit
+
+A Django App that adds Cross-Origin Resource Sharing (CORS) headers to
+responses. This allows in-browser requests to your Django application from
+other origins.
+
+----
+
+**Improve your Django and Git skills** with `my books <https://adamj.eu/books/>`__.
+
+----
+
+About CORS
+----------
+
+Adding CORS headers allows your resources to be accessed on other domains. It's
+important you understand the implications before adding the headers, since you
+could be unintentionally opening up your site's private data to others.
+
+Some good resources to read on the subject are:
+
+* Julia Evans' `introductory comic <https://drawings.jvns.ca/cors/>`__ and
+  `educational quiz <https://questions.wizardzines.com/cors.html>`__.
+* Jake Archibald’s `How to win at CORS <https://jakearchibald.com/2021/cors/>`__
+* The `MDN Article <https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS>`_
+* The `HTML5 Rocks Tutorial <https://www.html5rocks.com/en/tutorials/cors/>`_
+* The `Wikipedia Page <https://en.wikipedia.org/wiki/Cross-origin_resource_sharing>`_
+
+Requirements
+------------
+
+Python 3.8 to 3.12 supported.
+
+Django 3.2 to 5.0 supported.
+
+Setup
+-----
+
+Install from **pip**:
+
+.. code-block:: sh
+
+    python -m pip install django-cors-headers
+
+and then add it to your installed apps:
+
+.. code-block:: python
+
+    INSTALLED_APPS = [
+        ...,
+        "corsheaders",
+        ...,
+    ]
+
+Make sure you add the trailing comma or you might get a ``ModuleNotFoundError``
+(see `this blog
+post <https://adamj.eu/tech/2020/06/29/why-does-python-raise-modulenotfounderror-when-modifying-installed-apps/>`__).
+
+You will also need to add a middleware class to listen in on responses:
+
+.. code-block:: python
+
+    MIDDLEWARE = [
+        ...,
+        "corsheaders.middleware.CorsMiddleware",
+        "django.middleware.common.CommonMiddleware",
+        ...,
+    ]
+
+``CorsMiddleware`` should be placed as high as possible, especially before any
+middleware that can generate responses such as Django's ``CommonMiddleware`` or
+Whitenoise's ``WhiteNoiseMiddleware``. If it is not before, it will not be able
+to add the CORS headers to these responses.
+
+About
+-----
+
+**django-cors-headers** was created in January 2013 by Otto Yiu. It went
+unmaintained from August 2015 and was forked in January 2016 to the package
+`django-cors-middleware <https://github.com/zestedesavoir/django-cors-middleware>`_
+by Laville Augustin at Zeste de Savoir.
+In September 2016, Adam Johnson, Ed Morley, and others gained maintenance
+responsibility for **django-cors-headers**
+(`Issue 110 <https://github.com/adamchainz/django-cors-headers/issues/110>`__)
+from Otto Yiu.
+Basically all of the changes in the forked **django-cors-middleware** were
+merged back, or re-implemented in a different way, so it should be possible to
+switch back. If there's a feature that hasn't been merged, please open an issue
+about it.
+
+**django-cors-headers** has had `40+ contributors
+<https://github.com/adamchainz/django-cors-headers/graphs/contributors>`__
+in its time; thanks to every one of them.
+
+Configuration
+-------------
+
+Configure the middleware's behaviour in your Django settings. You must set at
+least one of three following settings:
+
+* ``CORS_ALLOWED_ORIGINS``
+* ``CORS_ALLOWED_ORIGIN_REGEXES``
+* ``CORS_ALLOW_ALL_ORIGINS``
+
+``CORS_ALLOWED_ORIGINS: Sequence[str]``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+A list of origins that are authorized to make cross-site HTTP requests.
+The origins in this setting will be allowed, and the requesting origin will be echoed back to the client in the |access-control-allow-origin header|__.
+Defaults to ``[]``.
+
+.. |access-control-allow-origin header| replace:: ``access-control-allow-origin`` header
+__ https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
+
+An Origin is defined by `the CORS RFC Section 3.2 <https://tools.ietf.org/html/rfc6454#section-3.2>`_ as a URI scheme + hostname + port, or one of the special values ``'null'`` or ``'file://'``.
+Default ports (HTTPS = 443, HTTP = 80) are optional.
+
+The special value ``null`` is sent by the browser in `"privacy-sensitive contexts" <https://tools.ietf.org/html/rfc6454#section-6>`__, such as when the client is running from a ``file://`` domain.
+The special value `file://` is sent accidentally by some versions of Chrome on Android as per `this bug <https://bugs.chromium.org/p/chromium/issues/detail?id=991107>`__.
+
+Example:
+
+.. code-block:: python
+
+    CORS_ALLOWED_ORIGINS = [
+        "https://example.com",
+        "https://sub.example.com",
+        "http://localhost:8080",
+        "http://127.0.0.1:9000",
+    ]
+
+Previously this setting was called ``CORS_ORIGIN_WHITELIST``, which still works as an alias, with the new name taking precedence.
+
+``CORS_ALLOWED_ORIGIN_REGEXES: Sequence[str | Pattern[str]]``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+A list of strings representing regexes that match Origins that are authorized to make cross-site HTTP requests.
+Defaults to ``[]``.
+Useful when ``CORS_ALLOWED_ORIGINS`` is impractical, such as when you have a large number of subdomains.
+
+Example:
+
+.. code-block:: python
+
+    CORS_ALLOWED_ORIGIN_REGEXES = [
+        r"^https://\w+\.example\.com$",
+    ]
+
+Previously this setting was called ``CORS_ORIGIN_REGEX_WHITELIST``, which still works as an alias, with the new name taking precedence.
+
+``CORS_ALLOW_ALL_ORIGINS: bool``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If ``True``, all origins will be allowed.
+Other settings restricting allowed origins will be ignored.
+Defaults to ``False``.
+
+Setting this to ``True`` can be *dangerous*, as it allows any website to make cross-origin requests to yours.
+Generally you'll want to restrict the list of allowed origins with ``CORS_ALLOWED_ORIGINS`` or ``CORS_ALLOWED_ORIGIN_REGEXES``.
+
+Previously this setting was called ``CORS_ORIGIN_ALLOW_ALL``, which still works as an alias, with the new name taking precedence.
+
+--------------
+
+The following are optional settings, for which the defaults probably suffice.
+
+``CORS_URLS_REGEX: str | Pattern[str]``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+A regex which restricts the URL's for which the CORS headers will be sent.
+Defaults to ``r'^.*$'``, i.e. match all URL's.
+Useful when you only need CORS on a part of your site, e.g. an API at ``/api/``.
+
+Example:
+
+.. code-block:: python
+
+    CORS_URLS_REGEX = r"^/api/.*$"
+
+``CORS_ALLOW_METHODS: Sequence[str]``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+A list of HTTP verbs that are allowed for the actual request.
+Defaults to:
+
+.. code-block:: python
+
+    CORS_ALLOW_METHODS = (
+        "DELETE",
+        "GET",
+        "OPTIONS",
+        "PATCH",
+        "POST",
+        "PUT",
+    )
+
+The default can be imported as ``corsheaders.defaults.default_methods`` so you can just extend it with your custom methods.
+This allows you to keep up to date with any future changes.
+For example:
+
+.. code-block:: python
+
+    from corsheaders.defaults import default_methods
+
+    CORS_ALLOW_METHODS = (
+        *default_methods,
+        "POKE",
+    )
+
+``CORS_ALLOW_HEADERS: Sequence[str]``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The list of non-standard HTTP headers that you permit in requests from the browser.
+Sets the |Access-Control-Allow-Headers header|__ in responses to `preflight requests <https://developer.mozilla.org/en-US/docs/Glossary/Preflight_request>`__.
+Defaults to:
+
+.. |Access-Control-Allow-Headers header| replace:: ``Access-Control-Allow-Headers`` header
+__ https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Headers
+
+.. code-block:: python
+
+    CORS_ALLOW_HEADERS = (
+        "accept",
+        "authorization",
+        "content-type",
+        "user-agent",
+        "x-csrftoken",
+        "x-requested-with",
+    )
+
+The default can be imported as ``corsheaders.defaults.default_headers`` so you can extend it with your custom headers.
+This allows you to keep up to date with any future changes.
+For example:
+
+.. code-block:: python
+
+    from corsheaders.defaults import default_headers
+
+    CORS_ALLOW_HEADERS = (
+        *default_headers,
+        "my-custom-header",
+    )
+
+``CORS_EXPOSE_HEADERS: Sequence[str]``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The list of extra HTTP headers to expose to the browser, in addition to the default `safelisted headers <https://developer.mozilla.org/en-US/docs/Glossary/CORS-safelisted_response_header>`__.
+If non-empty, these are declared in the |access-control-expose-headers header|__.
+Defaults to ``[]``.
+
+.. |access-control-expose-headers header| replace:: ``access-control-expose-headers`` header
+__ https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Expose-Headers
+
+``CORS_PREFLIGHT_MAX_AGE: int``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The number of seconds the browser can cache the preflight response.
+This sets the |access-control-max-age header|__ in preflight responses.
+If this is 0 (or any falsey value), no max age header will be sent.
+Defaults to ``86400`` (one day).
+
+.. |access-control-max-age header| replace:: ``access-control-max-age`` header
+__ https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Max-Age
+
+**Note:**
+Browsers send `preflight requests <https://developer.mozilla.org/en-US/docs/Glossary/Preflight_request>`__ before certain “non-simple” requests, to check they will be allowed.
+Read more about it in the `CORS MDN article <https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS#preflighted_requests>`_.
+
+``CORS_ALLOW_CREDENTIALS: bool``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If ``True``, cookies will be allowed to be included in cross-site HTTP requests.
+This sets the |access-control-allow-credentials header|__ in preflight and normal responses.
+Defaults to ``False``.
+
+.. |access-control-allow-credentials header| replace:: ``Access-Control-Allow-Credentials`` header
+__ https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/access-control-allow-credentials
+
+Note: in Django 2.1 the `SESSION_COOKIE_SAMESITE`_ setting was added, set to ``'Lax'`` by default, which will prevent Django's session cookie being sent cross-domain.
+Change the setting to ``'None'`` if you need to bypass this security restriction.
+
+.. _SESSION_COOKIE_SAMESITE: https://docs.djangoproject.com/en/stable/ref/settings/#std:setting-SESSION_COOKIE_SAMESITE
+
+``CORS_ALLOW_PRIVATE_NETWORK: bool``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If ``True``, allow requests from sites on “public” IP to this server on a “private” IP.
+In such cases, browsers send an extra CORS header ``access-control-request-private-network``, for which ``OPTIONS`` responses must contain ``access-control-allow-private-network: true``.
+
+Refer to:
+
+* `Local Network Access <https://wicg.github.io/local-network-access/>`__, the W3C Community Draft specification.
+* `Private Network Access: introducing preflights <https://developer.chrome.com/blog/private-network-access-preflight/>`__, a blog post from the Google Chrome team.
+
+CSRF Integration
+----------------
+
+Most sites will need to take advantage of the `Cross-Site Request Forgery
+protection <https://docs.djangoproject.com/en/stable/ref/csrf/>`_ that Django
+offers. CORS and CSRF are separate, and Django has no way of using your CORS
+configuration to exempt sites from the ``Referer`` checking that it does on
+secure requests. The way to do that is with its `CSRF_TRUSTED_ORIGINS setting
+<https://docs.djangoproject.com/en/stable/ref/settings/#csrf-trusted-origins>`_.
+For example:
+
+.. code-block:: python
+
+    CORS_ALLOWED_ORIGINS = [
+        "https://read-only.example.com",
+        "https://read-and-write.example.com",
+    ]
+
+    CSRF_TRUSTED_ORIGINS = [
+        "https://read-and-write.example.com",
+    ]
+
+Signals
+-------
+
+If you have a use case that requires more than just the above configuration,
+you can attach code to check if a given request should be allowed. For example,
+this can be used to read the list of origins you allow from a model. Attach any
+number of handlers to the ``check_request_enabled``
+`Django signal <https://docs.djangoproject.com/en/stable/ref/signals/>`_, which
+provides the ``request`` argument (use ``**kwargs`` in your handler to protect
+against any future arguments being added). If any handler attached to the
+signal returns a truthy value, the request will be allowed.
+
+For example you might define a handler like this:
+
+.. code-block:: python
+
+    # myapp/handlers.py
+    from corsheaders.signals import check_request_enabled
+
+    from myapp.models import MySite
+
+
+    def cors_allow_mysites(sender, request, **kwargs):
+        return MySite.objects.filter(host=request.headers["origin"]).exists()
+
+
+    check_request_enabled.connect(cors_allow_mysites)
+
+Then connect it at app ready time using a `Django AppConfig
+<https://docs.djangoproject.com/en/stable/ref/applications/>`_:
+
+.. code-block:: python
+
+    # myapp/__init__.py
+
+    default_app_config = "myapp.apps.MyAppConfig"
+
+.. code-block:: python
+
+    # myapp/apps.py
+
+    from django.apps import AppConfig
+
+
+    class MyAppConfig(AppConfig):
+        name = "myapp"
+
+        def ready(self):
+            # Makes sure all signal handlers are connected
+            from myapp import handlers  # noqa
+
+A common use case for the signal is to allow *all* origins to access a subset
+of URL's, whilst allowing a normal set of origins to access *all* URL's. This
+isn't possible using just the normal configuration, but it can be achieved with
+a signal handler.
+
+First set ``CORS_ALLOWED_ORIGINS`` to the list of trusted origins that are
+allowed to access every URL, and then add a handler to
+``check_request_enabled`` to allow CORS regardless of the origin for the
+unrestricted URL's. For example:
+
+.. code-block:: python
+
+    # myapp/handlers.py
+    from corsheaders.signals import check_request_enabled
+
+
+    def cors_allow_api_to_everyone(sender, request, **kwargs):
+        return request.path.startswith("/api/")
+
+
+    check_request_enabled.connect(cors_allow_api_to_everyone)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/RECORD b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/RECORD
new file mode 100644
index 00000000..b0b2b1c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/RECORD
@@ -0,0 +1,22 @@
+corsheaders/__init__.py,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
+corsheaders/__pycache__/__init__.cpython-311.pyc,,
+corsheaders/__pycache__/apps.cpython-311.pyc,,
+corsheaders/__pycache__/checks.cpython-311.pyc,,
+corsheaders/__pycache__/conf.cpython-311.pyc,,
+corsheaders/__pycache__/defaults.cpython-311.pyc,,
+corsheaders/__pycache__/middleware.cpython-311.pyc,,
+corsheaders/__pycache__/signals.cpython-311.pyc,,
+corsheaders/apps.py,sha256=WhglWLUypVGqgGx-X96xiPtj9Lpk3iG8iHs7hCh9lJs,378
+corsheaders/checks.py,sha256=FkUusTkG3Zj0sR8TuSp0CRPKpiH5KfLX3TwHxwLQbcM,5920
+corsheaders/conf.py,sha256=JQ_cbNB7jOTtHhNRqtqjKvJiNxV-I946A86KSal17-o,2105
+corsheaders/defaults.py,sha256=ctF9qn6wSAeONAKSbt1-IO9Chrs5zKL8LnbpqRlmdxg,314
+corsheaders/middleware.py,sha256=XCNDktn1VkrlbziUFwF4QnDufZGf6SW-irZPGi9YeDs,6091
+corsheaders/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
+corsheaders/signals.py,sha256=bTl3tzkpzsQf24UsW2rsN-Hezso8Rj5Df7rGMl8xQ7M,291
+django_cors_headers-4.3.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
+django_cors_headers-4.3.1.dist-info/LICENSE,sha256=7_iZBmxotWFfTGg_sstLYEGSFbC8BoCGs0DlOijeU-E,1111
+django_cors_headers-4.3.1.dist-info/METADATA,sha256=1sFLzEKGU2NinMCkVUv6KmEYhKcuATFxe-4FYq1p5K0,16454
+django_cors_headers-4.3.1.dist-info/RECORD,,
+django_cors_headers-4.3.1.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0
+django_cors_headers-4.3.1.dist-info/WHEEL,sha256=Xo9-1PvkuimrydujYJAjF7pCkriuXBpUPEjma1nZyJ0,92
+django_cors_headers-4.3.1.dist-info/top_level.txt,sha256=WMa2XHHh4UQPVdmbuFNGg4Kb21BC2OJw5pKAhxpg1gg,12
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/REQUESTED b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/REQUESTED
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/WHEEL b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/WHEEL
new file mode 100644
index 00000000..ba48cbcf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/WHEEL
@@ -0,0 +1,5 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.41.3)
+Root-Is-Purelib: true
+Tag: py3-none-any
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/top_level.txt b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/top_level.txt
new file mode 100644
index 00000000..59006e31
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/django_cors_headers-4.3.1.dist-info/top_level.txt
@@ -0,0 +1 @@
+corsheaders
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/INSTALLER b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/INSTALLER
new file mode 100644
index 00000000..a1b589e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/LICENSE b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/LICENSE
new file mode 100644
index 00000000..d159169d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/LICENSE
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
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+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+    <one line to give the program's name and a brief idea of what it does.>
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+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
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+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
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+
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+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
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+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/METADATA b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/METADATA
new file mode 100644
index 00000000..cf1bb088
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/METADATA
@@ -0,0 +1,131 @@
+Metadata-Version: 2.1
+Name: mysqlclient
+Version: 2.2.4
+Summary: Python interface to MySQL
+Author-email: Inada Naoki <songofacandy@gmail.com>
+License: GNU General Public License v2 (GPLv2)
+Project-URL: Project, https://github.com/PyMySQL/mysqlclient
+Project-URL: Documentation, https://mysqlclient.readthedocs.io/
+Keywords: MySQL
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Other Environment
+Classifier: License :: OSI Approved :: GNU General Public License (GPL)
+Classifier: Operating System :: MacOS :: MacOS X
+Classifier: Operating System :: Microsoft :: Windows :: Windows NT/2000
+Classifier: Operating System :: OS Independent
+Classifier: Operating System :: POSIX
+Classifier: Operating System :: POSIX :: Linux
+Classifier: Operating System :: Unix
+Classifier: Programming Language :: C
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: 3.9
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: 3.11
+Classifier: Programming Language :: Python :: 3.12
+Classifier: Topic :: Database
+Classifier: Topic :: Database :: Database Engines/Servers
+Requires-Python: >=3.8
+Description-Content-Type: text/markdown
+License-File: LICENSE
+
+# mysqlclient
+
+This project is a fork of [MySQLdb1](https://github.com/farcepest/MySQLdb1).
+This project adds Python 3 support and fixed many bugs.
+
+* PyPI: https://pypi.org/project/mysqlclient/
+* GitHub: https://github.com/PyMySQL/mysqlclient
+
+
+## Support
+
+**Do Not use Github Issue Tracker to ask help.  OSS Maintainer is not free tech support**
+
+When your question looks relating to Python rather than MySQL:
+
+* Python mailing list [python-list](https://mail.python.org/mailman/listinfo/python-list)
+* Slack [pythondev.slack.com](https://pyslackers.com/web/slack)
+
+Or when you have question about MySQL:
+
+* [MySQL Community on Slack](https://lefred.be/mysql-community-on-slack/)
+
+
+## Install
+
+### Windows
+
+Building mysqlclient on Windows is very hard.
+But there are some binary wheels you can install easily.
+
+If binary wheels do not exist for your version of Python, it may be possible to
+build from source, but if this does not work, **do not come asking for support.**
+To build from source, download the
+[MariaDB C Connector](https://mariadb.com/downloads/#connectors) and install
+it. It must be installed in the default location
+(usually "C:\Program Files\MariaDB\MariaDB Connector C" or
+"C:\Program Files (x86)\MariaDB\MariaDB Connector C" for 32-bit). If you
+build the connector yourself or install it in a different location, set the
+environment variable `MYSQLCLIENT_CONNECTOR` before installing. Once you have
+the connector installed and an appropriate version of Visual Studio for your
+version of Python:
+
+```
+$ pip install mysqlclient
+```
+
+### macOS (Homebrew)
+
+Install MySQL and mysqlclient:
+
+```bash
+$ # Assume you are activating Python 3 venv
+$ brew install mysql pkg-config
+$ pip install mysqlclient
+```
+
+If you don't want to install MySQL server, you can use mysql-client instead:
+
+```bash
+$ # Assume you are activating Python 3 venv
+$ brew install mysql-client pkg-config
+$ export PKG_CONFIG_PATH="$(brew --prefix)/opt/mysql-client/lib/pkgconfig"
+$ pip install mysqlclient
+```
+
+### Linux
+
+**Note that this is a basic step.  I can not support complete step for build for all
+environment.  If you can see some error, you should fix it by yourself, or ask for
+support in some user forum.  Don't file a issue on the issue tracker.**
+
+You may need to install the Python 3 and MySQL development headers and libraries like so:
+
+* `$ sudo apt-get install python3-dev default-libmysqlclient-dev build-essential pkg-config`  # Debian / Ubuntu
+* `% sudo yum install python3-devel mysql-devel pkgconfig`  # Red Hat / CentOS
+
+Then you can install mysqlclient via pip now:
+
+```
+$ pip install mysqlclient
+```
+
+### Customize build (POSIX)
+
+mysqlclient uses `pkg-config --cflags --ldflags mysqlclient` by default for finding
+compiler/linker flags.
+
+You can use `MYSQLCLIENT_CFLAGS` and `MYSQLCLIENT_LDFLAGS` environment
+variables to customize compiler/linker options.
+
+```bash
+$ export MYSQLCLIENT_CFLAGS=`pkg-config mysqlclient --cflags`
+$ export MYSQLCLIENT_LDFLAGS=`pkg-config mysqlclient --libs`
+$ pip install mysqlclient
+```
+
+### Documentation
+
+Documentation is hosted on [Read The Docs](https://mysqlclient.readthedocs.io/)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/RECORD b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/RECORD
new file mode 100644
index 00000000..195d880d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/RECORD
@@ -0,0 +1,35 @@
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/REQUESTED b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/REQUESTED
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/WHEEL b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/WHEEL
new file mode 100644
index 00000000..d60b0047
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/WHEEL
@@ -0,0 +1,5 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.42.0)
+Root-Is-Purelib: false
+Tag: cp311-cp311-win_amd64
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/top_level.txt b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/top_level.txt
new file mode 100644
index 00000000..4b05b1c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/mysqlclient-2.2.4.dist-info/top_level.txt
@@ -0,0 +1 @@
+MySQLdb
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/AUTHORS.txt b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/AUTHORS.txt
new file mode 100644
index 00000000..0e635489
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/AUTHORS.txt
@@ -0,0 +1,760 @@
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/INSTALLER b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/INSTALLER
new file mode 100644
index 00000000..a1b589e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/LICENSE.txt b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/LICENSE.txt
new file mode 100644
index 00000000..8e7b65ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/LICENSE.txt
@@ -0,0 +1,20 @@
+Copyright (c) 2008-present The pip developers (see AUTHORS.txt file)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/METADATA b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/METADATA
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+Metadata-Version: 2.1
+Name: pip
+Version: 24.0
+Summary: The PyPA recommended tool for installing Python packages.
+Author-email: The pip developers <distutils-sig@python.org>
+License: MIT
+Project-URL: Homepage, https://pip.pypa.io/
+Project-URL: Documentation, https://pip.pypa.io
+Project-URL: Source, https://github.com/pypa/pip
+Project-URL: Changelog, https://pip.pypa.io/en/stable/news/
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Topic :: Software Development :: Build Tools
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: 3.9
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: 3.11
+Classifier: Programming Language :: Python :: 3.12
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Requires-Python: >=3.7
+Description-Content-Type: text/x-rst
+License-File: LICENSE.txt
+License-File: AUTHORS.txt
+
+pip - The Python Package Installer
+==================================
+
+.. image:: https://img.shields.io/pypi/v/pip.svg
+   :target: https://pypi.org/project/pip/
+   :alt: PyPI
+
+.. image:: https://img.shields.io/pypi/pyversions/pip
+   :target: https://pypi.org/project/pip
+   :alt: PyPI - Python Version
+
+.. image:: https://readthedocs.org/projects/pip/badge/?version=latest
+   :target: https://pip.pypa.io/en/latest
+   :alt: Documentation
+
+pip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.
+
+Please take a look at our documentation for how to install and use pip:
+
+* `Installation`_
+* `Usage`_
+
+We release updates regularly, with a new version every 3 months. Find more details in our documentation:
+
+* `Release notes`_
+* `Release process`_
+
+If you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:
+
+* `Issue tracking`_
+* `Discourse channel`_
+* `User IRC`_
+
+If you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:
+
+* `GitHub page`_
+* `Development documentation`_
+* `Development IRC`_
+
+Code of Conduct
+---------------
+
+Everyone interacting in the pip project's codebases, issue trackers, chat
+rooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.
+
+.. _package installer: https://packaging.python.org/guides/tool-recommendations/
+.. _Python Package Index: https://pypi.org
+.. _Installation: https://pip.pypa.io/en/stable/installation/
+.. _Usage: https://pip.pypa.io/en/stable/
+.. _Release notes: https://pip.pypa.io/en/stable/news.html
+.. _Release process: https://pip.pypa.io/en/latest/development/release-process/
+.. _GitHub page: https://github.com/pypa/pip
+.. _Development documentation: https://pip.pypa.io/en/latest/development
+.. _Issue tracking: https://github.com/pypa/pip/issues
+.. _Discourse channel: https://discuss.python.org/c/packaging
+.. _User IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa
+.. _Development IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa-dev
+.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/RECORD b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/RECORD
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/REQUESTED b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/REQUESTED
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/WHEEL b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/WHEEL
new file mode 100644
index 00000000..98c0d20b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/WHEEL
@@ -0,0 +1,5 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.42.0)
+Root-Is-Purelib: true
+Tag: py3-none-any
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/entry_points.txt b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/entry_points.txt
new file mode 100644
index 00000000..5367846d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/entry_points.txt
@@ -0,0 +1,4 @@
+[console_scripts]
+pip = pip._internal.cli.main:main
+pip3 = pip._internal.cli.main:main
+pip3.10 = pip._internal.cli.main:main
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/top_level.txt b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/top_level.txt
new file mode 100644
index 00000000..a1b589e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip-24.0.dist-info/top_level.txt
@@ -0,0 +1 @@
+pip
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__init__.py
new file mode 100644
index 00000000..be0e3edb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__init__.py
@@ -0,0 +1,13 @@
+from typing import List, Optional
+
+__version__ = "24.0"
+
+
+def main(args: Optional[List[str]] = None) -> int:
+    """This is an internal API only meant for use by pip's own console scripts.
+
+    For additional details, see https://github.com/pypa/pip/issues/7498.
+    """
+    from pip._internal.utils.entrypoints import _wrapper
+
+    return _wrapper(args)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/__main__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__main__.py
new file mode 100644
index 00000000..59913261
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__main__.py
@@ -0,0 +1,24 @@
+import os
+import sys
+
+# Remove '' and current working directory from the first entry
+# of sys.path, if present to avoid using current directory
+# in pip commands check, freeze, install, list and show,
+# when invoked as python -m pip <command>
+if sys.path[0] in ("", os.getcwd()):
+    sys.path.pop(0)
+
+# If we are running from a wheel, add the wheel to sys.path
+# This allows the usage python pip-*.whl/pip install pip-*.whl
+if __package__ == "":
+    # __file__ is pip-*.whl/pip/__main__.py
+    # first dirname call strips of '/__main__.py', second strips off '/pip'
+    # Resulting path is the name of the wheel itself
+    # Add that to sys.path so we can import pip
+    path = os.path.dirname(os.path.dirname(__file__))
+    sys.path.insert(0, path)
+
+if __name__ == "__main__":
+    from pip._internal.cli.main import main as _main
+
+    sys.exit(_main())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pip-runner__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pip-runner__.py
new file mode 100644
index 00000000..49a148a0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pip-runner__.py
@@ -0,0 +1,50 @@
+"""Execute exactly this copy of pip, within a different environment.
+
+This file is named as it is, to ensure that this module can't be imported via
+an import statement.
+"""
+
+# /!\ This version compatibility check section must be Python 2 compatible. /!\
+
+import sys
+
+# Copied from setup.py
+PYTHON_REQUIRES = (3, 7)
+
+
+def version_str(version):  # type: ignore
+    return ".".join(str(v) for v in version)
+
+
+if sys.version_info[:2] < PYTHON_REQUIRES:
+    raise SystemExit(
+        "This version of pip does not support python {} (requires >={}).".format(
+            version_str(sys.version_info[:2]), version_str(PYTHON_REQUIRES)
+        )
+    )
+
+# From here on, we can use Python 3 features, but the syntax must remain
+# Python 2 compatible.
+
+import runpy  # noqa: E402
+from importlib.machinery import PathFinder  # noqa: E402
+from os.path import dirname  # noqa: E402
+
+PIP_SOURCES_ROOT = dirname(dirname(__file__))
+
+
+class PipImportRedirectingFinder:
+    @classmethod
+    def find_spec(self, fullname, path=None, target=None):  # type: ignore
+        if fullname != "pip":
+            return None
+
+        spec = PathFinder.find_spec(fullname, [PIP_SOURCES_ROOT], target)
+        assert spec, (PIP_SOURCES_ROOT, fullname)
+        return spec
+
+
+sys.meta_path.insert(0, PipImportRedirectingFinder())
+
+assert __name__ == "__main__", "Cannot run __pip-runner__.py as a non-main module"
+runpy.run_module("pip", run_name="__main__", alter_sys=True)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pycache__/__main__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pycache__/__main__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pycache__/__pip-runner__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/__pycache__/__pip-runner__.cpython-311.pyc
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index 00000000..c1f4fd17
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/__init__.py
new file mode 100644
index 00000000..96c6b88c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/__init__.py
@@ -0,0 +1,18 @@
+from typing import List, Optional
+
+from pip._internal.utils import _log
+
+# init_logging() must be called before any call to logging.getLogger()
+# which happens at import of most modules.
+_log.init_logging()
+
+
+def main(args: (Optional[List[str]]) = None) -> int:
+    """This is preserved for old console scripts that may still be referencing
+    it.
+
+    For additional details, see https://github.com/pypa/pip/issues/7498.
+    """
+    from pip._internal.utils.entrypoints import _wrapper
+
+    return _wrapper(args)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/__pycache__/wheel_builder.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/__pycache__/wheel_builder.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/build_env.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/build_env.py
new file mode 100644
index 00000000..4f704a35
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/build_env.py
@@ -0,0 +1,311 @@
+"""Build Environment used for isolation during sdist building
+"""
+
+import logging
+import os
+import pathlib
+import site
+import sys
+import textwrap
+from collections import OrderedDict
+from types import TracebackType
+from typing import TYPE_CHECKING, Iterable, List, Optional, Set, Tuple, Type, Union
+
+from pip._vendor.certifi import where
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.version import Version
+
+from pip import __file__ as pip_location
+from pip._internal.cli.spinners import open_spinner
+from pip._internal.locations import get_platlib, get_purelib, get_scheme
+from pip._internal.metadata import get_default_environment, get_environment
+from pip._internal.utils.subprocess import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
+
+if TYPE_CHECKING:
+    from pip._internal.index.package_finder import PackageFinder
+
+logger = logging.getLogger(__name__)
+
+
+def _dedup(a: str, b: str) -> Union[Tuple[str], Tuple[str, str]]:
+    return (a, b) if a != b else (a,)
+
+
+class _Prefix:
+    def __init__(self, path: str) -> None:
+        self.path = path
+        self.setup = False
+        scheme = get_scheme("", prefix=path)
+        self.bin_dir = scheme.scripts
+        self.lib_dirs = _dedup(scheme.purelib, scheme.platlib)
+
+
+def get_runnable_pip() -> str:
+    """Get a file to pass to a Python executable, to run the currently-running pip.
+
+    This is used to run a pip subprocess, for installing requirements into the build
+    environment.
+    """
+    source = pathlib.Path(pip_location).resolve().parent
+
+    if not source.is_dir():
+        # This would happen if someone is using pip from inside a zip file. In that
+        # case, we can use that directly.
+        return str(source)
+
+    return os.fsdecode(source / "__pip-runner__.py")
+
+
+def _get_system_sitepackages() -> Set[str]:
+    """Get system site packages
+
+    Usually from site.getsitepackages,
+    but fallback on `get_purelib()/get_platlib()` if unavailable
+    (e.g. in a virtualenv created by virtualenv<20)
+
+    Returns normalized set of strings.
+    """
+    if hasattr(site, "getsitepackages"):
+        system_sites = site.getsitepackages()
+    else:
+        # virtualenv < 20 overwrites site.py without getsitepackages
+        # fallback on get_purelib/get_platlib.
+        # this is known to miss things, but shouldn't in the cases
+        # where getsitepackages() has been removed (inside a virtualenv)
+        system_sites = [get_purelib(), get_platlib()]
+    return {os.path.normcase(path) for path in system_sites}
+
+
+class BuildEnvironment:
+    """Creates and manages an isolated environment to install build deps"""
+
+    def __init__(self) -> None:
+        temp_dir = TempDirectory(kind=tempdir_kinds.BUILD_ENV, globally_managed=True)
+
+        self._prefixes = OrderedDict(
+            (name, _Prefix(os.path.join(temp_dir.path, name)))
+            for name in ("normal", "overlay")
+        )
+
+        self._bin_dirs: List[str] = []
+        self._lib_dirs: List[str] = []
+        for prefix in reversed(list(self._prefixes.values())):
+            self._bin_dirs.append(prefix.bin_dir)
+            self._lib_dirs.extend(prefix.lib_dirs)
+
+        # Customize site to:
+        # - ensure .pth files are honored
+        # - prevent access to system site packages
+        system_sites = _get_system_sitepackages()
+
+        self._site_dir = os.path.join(temp_dir.path, "site")
+        if not os.path.exists(self._site_dir):
+            os.mkdir(self._site_dir)
+        with open(
+            os.path.join(self._site_dir, "sitecustomize.py"), "w", encoding="utf-8"
+        ) as fp:
+            fp.write(
+                textwrap.dedent(
+                    """
+                import os, site, sys
+
+                # First, drop system-sites related paths.
+                original_sys_path = sys.path[:]
+                known_paths = set()
+                for path in {system_sites!r}:
+                    site.addsitedir(path, known_paths=known_paths)
+                system_paths = set(
+                    os.path.normcase(path)
+                    for path in sys.path[len(original_sys_path):]
+                )
+                original_sys_path = [
+                    path for path in original_sys_path
+                    if os.path.normcase(path) not in system_paths
+                ]
+                sys.path = original_sys_path
+
+                # Second, add lib directories.
+                # ensuring .pth file are processed.
+                for path in {lib_dirs!r}:
+                    assert not path in sys.path
+                    site.addsitedir(path)
+                """
+                ).format(system_sites=system_sites, lib_dirs=self._lib_dirs)
+            )
+
+    def __enter__(self) -> None:
+        self._save_env = {
+            name: os.environ.get(name, None)
+            for name in ("PATH", "PYTHONNOUSERSITE", "PYTHONPATH")
+        }
+
+        path = self._bin_dirs[:]
+        old_path = self._save_env["PATH"]
+        if old_path:
+            path.extend(old_path.split(os.pathsep))
+
+        pythonpath = [self._site_dir]
+
+        os.environ.update(
+            {
+                "PATH": os.pathsep.join(path),
+                "PYTHONNOUSERSITE": "1",
+                "PYTHONPATH": os.pathsep.join(pythonpath),
+            }
+        )
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        for varname, old_value in self._save_env.items():
+            if old_value is None:
+                os.environ.pop(varname, None)
+            else:
+                os.environ[varname] = old_value
+
+    def check_requirements(
+        self, reqs: Iterable[str]
+    ) -> Tuple[Set[Tuple[str, str]], Set[str]]:
+        """Return 2 sets:
+        - conflicting requirements: set of (installed, wanted) reqs tuples
+        - missing requirements: set of reqs
+        """
+        missing = set()
+        conflicting = set()
+        if reqs:
+            env = (
+                get_environment(self._lib_dirs)
+                if hasattr(self, "_lib_dirs")
+                else get_default_environment()
+            )
+            for req_str in reqs:
+                req = Requirement(req_str)
+                # We're explicitly evaluating with an empty extra value, since build
+                # environments are not provided any mechanism to select specific extras.
+                if req.marker is not None and not req.marker.evaluate({"extra": ""}):
+                    continue
+                dist = env.get_distribution(req.name)
+                if not dist:
+                    missing.add(req_str)
+                    continue
+                if isinstance(dist.version, Version):
+                    installed_req_str = f"{req.name}=={dist.version}"
+                else:
+                    installed_req_str = f"{req.name}==={dist.version}"
+                if not req.specifier.contains(dist.version, prereleases=True):
+                    conflicting.add((installed_req_str, req_str))
+                # FIXME: Consider direct URL?
+        return conflicting, missing
+
+    def install_requirements(
+        self,
+        finder: "PackageFinder",
+        requirements: Iterable[str],
+        prefix_as_string: str,
+        *,
+        kind: str,
+    ) -> None:
+        prefix = self._prefixes[prefix_as_string]
+        assert not prefix.setup
+        prefix.setup = True
+        if not requirements:
+            return
+        self._install_requirements(
+            get_runnable_pip(),
+            finder,
+            requirements,
+            prefix,
+            kind=kind,
+        )
+
+    @staticmethod
+    def _install_requirements(
+        pip_runnable: str,
+        finder: "PackageFinder",
+        requirements: Iterable[str],
+        prefix: _Prefix,
+        *,
+        kind: str,
+    ) -> None:
+        args: List[str] = [
+            sys.executable,
+            pip_runnable,
+            "install",
+            "--ignore-installed",
+            "--no-user",
+            "--prefix",
+            prefix.path,
+            "--no-warn-script-location",
+        ]
+        if logger.getEffectiveLevel() <= logging.DEBUG:
+            args.append("-v")
+        for format_control in ("no_binary", "only_binary"):
+            formats = getattr(finder.format_control, format_control)
+            args.extend(
+                (
+                    "--" + format_control.replace("_", "-"),
+                    ",".join(sorted(formats or {":none:"})),
+                )
+            )
+
+        index_urls = finder.index_urls
+        if index_urls:
+            args.extend(["-i", index_urls[0]])
+            for extra_index in index_urls[1:]:
+                args.extend(["--extra-index-url", extra_index])
+        else:
+            args.append("--no-index")
+        for link in finder.find_links:
+            args.extend(["--find-links", link])
+
+        for host in finder.trusted_hosts:
+            args.extend(["--trusted-host", host])
+        if finder.allow_all_prereleases:
+            args.append("--pre")
+        if finder.prefer_binary:
+            args.append("--prefer-binary")
+        args.append("--")
+        args.extend(requirements)
+        extra_environ = {"_PIP_STANDALONE_CERT": where()}
+        with open_spinner(f"Installing {kind}") as spinner:
+            call_subprocess(
+                args,
+                command_desc=f"pip subprocess to install {kind}",
+                spinner=spinner,
+                extra_environ=extra_environ,
+            )
+
+
+class NoOpBuildEnvironment(BuildEnvironment):
+    """A no-op drop-in replacement for BuildEnvironment"""
+
+    def __init__(self) -> None:
+        pass
+
+    def __enter__(self) -> None:
+        pass
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        pass
+
+    def cleanup(self) -> None:
+        pass
+
+    def install_requirements(
+        self,
+        finder: "PackageFinder",
+        requirements: Iterable[str],
+        prefix_as_string: str,
+        *,
+        kind: str,
+    ) -> None:
+        raise NotImplementedError()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cache.py
new file mode 100644
index 00000000..f45ac23e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cache.py
@@ -0,0 +1,290 @@
+"""Cache Management
+"""
+
+import hashlib
+import json
+import logging
+import os
+from pathlib import Path
+from typing import Any, Dict, List, Optional
+
+from pip._vendor.packaging.tags import Tag, interpreter_name, interpreter_version
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.exceptions import InvalidWheelFilename
+from pip._internal.models.direct_url import DirectUrl
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
+from pip._internal.utils.urls import path_to_url
+
+logger = logging.getLogger(__name__)
+
+ORIGIN_JSON_NAME = "origin.json"
+
+
+def _hash_dict(d: Dict[str, str]) -> str:
+    """Return a stable sha224 of a dictionary."""
+    s = json.dumps(d, sort_keys=True, separators=(",", ":"), ensure_ascii=True)
+    return hashlib.sha224(s.encode("ascii")).hexdigest()
+
+
+class Cache:
+    """An abstract class - provides cache directories for data from links
+
+    :param cache_dir: The root of the cache.
+    """
+
+    def __init__(self, cache_dir: str) -> None:
+        super().__init__()
+        assert not cache_dir or os.path.isabs(cache_dir)
+        self.cache_dir = cache_dir or None
+
+    def _get_cache_path_parts(self, link: Link) -> List[str]:
+        """Get parts of part that must be os.path.joined with cache_dir"""
+
+        # We want to generate an url to use as our cache key, we don't want to
+        # just re-use the URL because it might have other items in the fragment
+        # and we don't care about those.
+        key_parts = {"url": link.url_without_fragment}
+        if link.hash_name is not None and link.hash is not None:
+            key_parts[link.hash_name] = link.hash
+        if link.subdirectory_fragment:
+            key_parts["subdirectory"] = link.subdirectory_fragment
+
+        # Include interpreter name, major and minor version in cache key
+        # to cope with ill-behaved sdists that build a different wheel
+        # depending on the python version their setup.py is being run on,
+        # and don't encode the difference in compatibility tags.
+        # https://github.com/pypa/pip/issues/7296
+        key_parts["interpreter_name"] = interpreter_name()
+        key_parts["interpreter_version"] = interpreter_version()
+
+        # Encode our key url with sha224, we'll use this because it has similar
+        # security properties to sha256, but with a shorter total output (and
+        # thus less secure). However the differences don't make a lot of
+        # difference for our use case here.
+        hashed = _hash_dict(key_parts)
+
+        # We want to nest the directories some to prevent having a ton of top
+        # level directories where we might run out of sub directories on some
+        # FS.
+        parts = [hashed[:2], hashed[2:4], hashed[4:6], hashed[6:]]
+
+        return parts
+
+    def _get_candidates(self, link: Link, canonical_package_name: str) -> List[Any]:
+        can_not_cache = not self.cache_dir or not canonical_package_name or not link
+        if can_not_cache:
+            return []
+
+        path = self.get_path_for_link(link)
+        if os.path.isdir(path):
+            return [(candidate, path) for candidate in os.listdir(path)]
+        return []
+
+    def get_path_for_link(self, link: Link) -> str:
+        """Return a directory to store cached items in for link."""
+        raise NotImplementedError()
+
+    def get(
+        self,
+        link: Link,
+        package_name: Optional[str],
+        supported_tags: List[Tag],
+    ) -> Link:
+        """Returns a link to a cached item if it exists, otherwise returns the
+        passed link.
+        """
+        raise NotImplementedError()
+
+
+class SimpleWheelCache(Cache):
+    """A cache of wheels for future installs."""
+
+    def __init__(self, cache_dir: str) -> None:
+        super().__init__(cache_dir)
+
+    def get_path_for_link(self, link: Link) -> str:
+        """Return a directory to store cached wheels for link
+
+        Because there are M wheels for any one sdist, we provide a directory
+        to cache them in, and then consult that directory when looking up
+        cache hits.
+
+        We only insert things into the cache if they have plausible version
+        numbers, so that we don't contaminate the cache with things that were
+        not unique. E.g. ./package might have dozens of installs done for it
+        and build a version of 0.0...and if we built and cached a wheel, we'd
+        end up using the same wheel even if the source has been edited.
+
+        :param link: The link of the sdist for which this will cache wheels.
+        """
+        parts = self._get_cache_path_parts(link)
+        assert self.cache_dir
+        # Store wheels within the root cache_dir
+        return os.path.join(self.cache_dir, "wheels", *parts)
+
+    def get(
+        self,
+        link: Link,
+        package_name: Optional[str],
+        supported_tags: List[Tag],
+    ) -> Link:
+        candidates = []
+
+        if not package_name:
+            return link
+
+        canonical_package_name = canonicalize_name(package_name)
+        for wheel_name, wheel_dir in self._get_candidates(link, canonical_package_name):
+            try:
+                wheel = Wheel(wheel_name)
+            except InvalidWheelFilename:
+                continue
+            if canonicalize_name(wheel.name) != canonical_package_name:
+                logger.debug(
+                    "Ignoring cached wheel %s for %s as it "
+                    "does not match the expected distribution name %s.",
+                    wheel_name,
+                    link,
+                    package_name,
+                )
+                continue
+            if not wheel.supported(supported_tags):
+                # Built for a different python/arch/etc
+                continue
+            candidates.append(
+                (
+                    wheel.support_index_min(supported_tags),
+                    wheel_name,
+                    wheel_dir,
+                )
+            )
+
+        if not candidates:
+            return link
+
+        _, wheel_name, wheel_dir = min(candidates)
+        return Link(path_to_url(os.path.join(wheel_dir, wheel_name)))
+
+
+class EphemWheelCache(SimpleWheelCache):
+    """A SimpleWheelCache that creates it's own temporary cache directory"""
+
+    def __init__(self) -> None:
+        self._temp_dir = TempDirectory(
+            kind=tempdir_kinds.EPHEM_WHEEL_CACHE,
+            globally_managed=True,
+        )
+
+        super().__init__(self._temp_dir.path)
+
+
+class CacheEntry:
+    def __init__(
+        self,
+        link: Link,
+        persistent: bool,
+    ):
+        self.link = link
+        self.persistent = persistent
+        self.origin: Optional[DirectUrl] = None
+        origin_direct_url_path = Path(self.link.file_path).parent / ORIGIN_JSON_NAME
+        if origin_direct_url_path.exists():
+            try:
+                self.origin = DirectUrl.from_json(
+                    origin_direct_url_path.read_text(encoding="utf-8")
+                )
+            except Exception as e:
+                logger.warning(
+                    "Ignoring invalid cache entry origin file %s for %s (%s)",
+                    origin_direct_url_path,
+                    link.filename,
+                    e,
+                )
+
+
+class WheelCache(Cache):
+    """Wraps EphemWheelCache and SimpleWheelCache into a single Cache
+
+    This Cache allows for gracefully degradation, using the ephem wheel cache
+    when a certain link is not found in the simple wheel cache first.
+    """
+
+    def __init__(self, cache_dir: str) -> None:
+        super().__init__(cache_dir)
+        self._wheel_cache = SimpleWheelCache(cache_dir)
+        self._ephem_cache = EphemWheelCache()
+
+    def get_path_for_link(self, link: Link) -> str:
+        return self._wheel_cache.get_path_for_link(link)
+
+    def get_ephem_path_for_link(self, link: Link) -> str:
+        return self._ephem_cache.get_path_for_link(link)
+
+    def get(
+        self,
+        link: Link,
+        package_name: Optional[str],
+        supported_tags: List[Tag],
+    ) -> Link:
+        cache_entry = self.get_cache_entry(link, package_name, supported_tags)
+        if cache_entry is None:
+            return link
+        return cache_entry.link
+
+    def get_cache_entry(
+        self,
+        link: Link,
+        package_name: Optional[str],
+        supported_tags: List[Tag],
+    ) -> Optional[CacheEntry]:
+        """Returns a CacheEntry with a link to a cached item if it exists or
+        None. The cache entry indicates if the item was found in the persistent
+        or ephemeral cache.
+        """
+        retval = self._wheel_cache.get(
+            link=link,
+            package_name=package_name,
+            supported_tags=supported_tags,
+        )
+        if retval is not link:
+            return CacheEntry(retval, persistent=True)
+
+        retval = self._ephem_cache.get(
+            link=link,
+            package_name=package_name,
+            supported_tags=supported_tags,
+        )
+        if retval is not link:
+            return CacheEntry(retval, persistent=False)
+
+        return None
+
+    @staticmethod
+    def record_download_origin(cache_dir: str, download_info: DirectUrl) -> None:
+        origin_path = Path(cache_dir) / ORIGIN_JSON_NAME
+        if origin_path.exists():
+            try:
+                origin = DirectUrl.from_json(origin_path.read_text(encoding="utf-8"))
+            except Exception as e:
+                logger.warning(
+                    "Could not read origin file %s in cache entry (%s). "
+                    "Will attempt to overwrite it.",
+                    origin_path,
+                    e,
+                )
+            else:
+                # TODO: use DirectUrl.equivalent when
+                # https://github.com/pypa/pip/pull/10564 is merged.
+                if origin.url != download_info.url:
+                    logger.warning(
+                        "Origin URL %s in cache entry %s does not match download URL "
+                        "%s. This is likely a pip bug or a cache corruption issue. "
+                        "Will overwrite it with the new value.",
+                        origin.url,
+                        cache_dir,
+                        download_info.url,
+                    )
+        origin_path.write_text(download_info.to_json(), encoding="utf-8")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/__init__.py
new file mode 100644
index 00000000..e589bb91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/__init__.py
@@ -0,0 +1,4 @@
+"""Subpackage containing all of pip's command line interface related code
+"""
+
+# This file intentionally does not import submodules
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/autocompletion.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/autocompletion.py
new file mode 100644
index 00000000..e5950b90
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/autocompletion.py
@@ -0,0 +1,172 @@
+"""Logic that powers autocompletion installed by ``pip completion``.
+"""
+
+import optparse
+import os
+import sys
+from itertools import chain
+from typing import Any, Iterable, List, Optional
+
+from pip._internal.cli.main_parser import create_main_parser
+from pip._internal.commands import commands_dict, create_command
+from pip._internal.metadata import get_default_environment
+
+
+def autocomplete() -> None:
+    """Entry Point for completion of main and subcommand options."""
+    # Don't complete if user hasn't sourced bash_completion file.
+    if "PIP_AUTO_COMPLETE" not in os.environ:
+        return
+    cwords = os.environ["COMP_WORDS"].split()[1:]
+    cword = int(os.environ["COMP_CWORD"])
+    try:
+        current = cwords[cword - 1]
+    except IndexError:
+        current = ""
+
+    parser = create_main_parser()
+    subcommands = list(commands_dict)
+    options = []
+
+    # subcommand
+    subcommand_name: Optional[str] = None
+    for word in cwords:
+        if word in subcommands:
+            subcommand_name = word
+            break
+    # subcommand options
+    if subcommand_name is not None:
+        # special case: 'help' subcommand has no options
+        if subcommand_name == "help":
+            sys.exit(1)
+        # special case: list locally installed dists for show and uninstall
+        should_list_installed = not current.startswith("-") and subcommand_name in [
+            "show",
+            "uninstall",
+        ]
+        if should_list_installed:
+            env = get_default_environment()
+            lc = current.lower()
+            installed = [
+                dist.canonical_name
+                for dist in env.iter_installed_distributions(local_only=True)
+                if dist.canonical_name.startswith(lc)
+                and dist.canonical_name not in cwords[1:]
+            ]
+            # if there are no dists installed, fall back to option completion
+            if installed:
+                for dist in installed:
+                    print(dist)
+                sys.exit(1)
+
+        should_list_installables = (
+            not current.startswith("-") and subcommand_name == "install"
+        )
+        if should_list_installables:
+            for path in auto_complete_paths(current, "path"):
+                print(path)
+            sys.exit(1)
+
+        subcommand = create_command(subcommand_name)
+
+        for opt in subcommand.parser.option_list_all:
+            if opt.help != optparse.SUPPRESS_HELP:
+                options += [
+                    (opt_str, opt.nargs) for opt_str in opt._long_opts + opt._short_opts
+                ]
+
+        # filter out previously specified options from available options
+        prev_opts = [x.split("=")[0] for x in cwords[1 : cword - 1]]
+        options = [(x, v) for (x, v) in options if x not in prev_opts]
+        # filter options by current input
+        options = [(k, v) for k, v in options if k.startswith(current)]
+        # get completion type given cwords and available subcommand options
+        completion_type = get_path_completion_type(
+            cwords,
+            cword,
+            subcommand.parser.option_list_all,
+        )
+        # get completion files and directories if ``completion_type`` is
+        # ``<file>``, ``<dir>`` or ``<path>``
+        if completion_type:
+            paths = auto_complete_paths(current, completion_type)
+            options = [(path, 0) for path in paths]
+        for option in options:
+            opt_label = option[0]
+            # append '=' to options which require args
+            if option[1] and option[0][:2] == "--":
+                opt_label += "="
+            print(opt_label)
+    else:
+        # show main parser options only when necessary
+
+        opts = [i.option_list for i in parser.option_groups]
+        opts.append(parser.option_list)
+        flattened_opts = chain.from_iterable(opts)
+        if current.startswith("-"):
+            for opt in flattened_opts:
+                if opt.help != optparse.SUPPRESS_HELP:
+                    subcommands += opt._long_opts + opt._short_opts
+        else:
+            # get completion type given cwords and all available options
+            completion_type = get_path_completion_type(cwords, cword, flattened_opts)
+            if completion_type:
+                subcommands = list(auto_complete_paths(current, completion_type))
+
+        print(" ".join([x for x in subcommands if x.startswith(current)]))
+    sys.exit(1)
+
+
+def get_path_completion_type(
+    cwords: List[str], cword: int, opts: Iterable[Any]
+) -> Optional[str]:
+    """Get the type of path completion (``file``, ``dir``, ``path`` or None)
+
+    :param cwords: same as the environmental variable ``COMP_WORDS``
+    :param cword: same as the environmental variable ``COMP_CWORD``
+    :param opts: The available options to check
+    :return: path completion type (``file``, ``dir``, ``path`` or None)
+    """
+    if cword < 2 or not cwords[cword - 2].startswith("-"):
+        return None
+    for opt in opts:
+        if opt.help == optparse.SUPPRESS_HELP:
+            continue
+        for o in str(opt).split("/"):
+            if cwords[cword - 2].split("=")[0] == o:
+                if not opt.metavar or any(
+                    x in ("path", "file", "dir") for x in opt.metavar.split("/")
+                ):
+                    return opt.metavar
+    return None
+
+
+def auto_complete_paths(current: str, completion_type: str) -> Iterable[str]:
+    """If ``completion_type`` is ``file`` or ``path``, list all regular files
+    and directories starting with ``current``; otherwise only list directories
+    starting with ``current``.
+
+    :param current: The word to be completed
+    :param completion_type: path completion type(``file``, ``path`` or ``dir``)
+    :return: A generator of regular files and/or directories
+    """
+    directory, filename = os.path.split(current)
+    current_path = os.path.abspath(directory)
+    # Don't complete paths if they can't be accessed
+    if not os.access(current_path, os.R_OK):
+        return
+    filename = os.path.normcase(filename)
+    # list all files that start with ``filename``
+    file_list = (
+        x for x in os.listdir(current_path) if os.path.normcase(x).startswith(filename)
+    )
+    for f in file_list:
+        opt = os.path.join(current_path, f)
+        comp_file = os.path.normcase(os.path.join(directory, f))
+        # complete regular files when there is not ``<dir>`` after option
+        # complete directories when there is ``<file>``, ``<path>`` or
+        # ``<dir>``after option
+        if completion_type != "dir" and os.path.isfile(opt):
+            yield comp_file
+        elif os.path.isdir(opt):
+            yield os.path.join(comp_file, "")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/base_command.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/base_command.py
new file mode 100644
index 00000000..db9d5cc6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/base_command.py
@@ -0,0 +1,236 @@
+"""Base Command class, and related routines"""
+
+import functools
+import logging
+import logging.config
+import optparse
+import os
+import sys
+import traceback
+from optparse import Values
+from typing import Any, Callable, List, Optional, Tuple
+
+from pip._vendor.rich import traceback as rich_traceback
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.command_context import CommandContextMixIn
+from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
+from pip._internal.cli.status_codes import (
+    ERROR,
+    PREVIOUS_BUILD_DIR_ERROR,
+    UNKNOWN_ERROR,
+    VIRTUALENV_NOT_FOUND,
+)
+from pip._internal.exceptions import (
+    BadCommand,
+    CommandError,
+    DiagnosticPipError,
+    InstallationError,
+    NetworkConnectionError,
+    PreviousBuildDirError,
+    UninstallationError,
+)
+from pip._internal.utils.filesystem import check_path_owner
+from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging
+from pip._internal.utils.misc import get_prog, normalize_path
+from pip._internal.utils.temp_dir import TempDirectoryTypeRegistry as TempDirRegistry
+from pip._internal.utils.temp_dir import global_tempdir_manager, tempdir_registry
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+__all__ = ["Command"]
+
+logger = logging.getLogger(__name__)
+
+
+class Command(CommandContextMixIn):
+    usage: str = ""
+    ignore_require_venv: bool = False
+
+    def __init__(self, name: str, summary: str, isolated: bool = False) -> None:
+        super().__init__()
+
+        self.name = name
+        self.summary = summary
+        self.parser = ConfigOptionParser(
+            usage=self.usage,
+            prog=f"{get_prog()} {name}",
+            formatter=UpdatingDefaultsHelpFormatter(),
+            add_help_option=False,
+            name=name,
+            description=self.__doc__,
+            isolated=isolated,
+        )
+
+        self.tempdir_registry: Optional[TempDirRegistry] = None
+
+        # Commands should add options to this option group
+        optgroup_name = f"{self.name.capitalize()} Options"
+        self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
+
+        # Add the general options
+        gen_opts = cmdoptions.make_option_group(
+            cmdoptions.general_group,
+            self.parser,
+        )
+        self.parser.add_option_group(gen_opts)
+
+        self.add_options()
+
+    def add_options(self) -> None:
+        pass
+
+    def handle_pip_version_check(self, options: Values) -> None:
+        """
+        This is a no-op so that commands by default do not do the pip version
+        check.
+        """
+        # Make sure we do the pip version check if the index_group options
+        # are present.
+        assert not hasattr(options, "no_index")
+
+    def run(self, options: Values, args: List[str]) -> int:
+        raise NotImplementedError
+
+    def parse_args(self, args: List[str]) -> Tuple[Values, List[str]]:
+        # factored out for testability
+        return self.parser.parse_args(args)
+
+    def main(self, args: List[str]) -> int:
+        try:
+            with self.main_context():
+                return self._main(args)
+        finally:
+            logging.shutdown()
+
+    def _main(self, args: List[str]) -> int:
+        # We must initialize this before the tempdir manager, otherwise the
+        # configuration would not be accessible by the time we clean up the
+        # tempdir manager.
+        self.tempdir_registry = self.enter_context(tempdir_registry())
+        # Intentionally set as early as possible so globally-managed temporary
+        # directories are available to the rest of the code.
+        self.enter_context(global_tempdir_manager())
+
+        options, args = self.parse_args(args)
+
+        # Set verbosity so that it can be used elsewhere.
+        self.verbosity = options.verbose - options.quiet
+
+        level_number = setup_logging(
+            verbosity=self.verbosity,
+            no_color=options.no_color,
+            user_log_file=options.log,
+        )
+
+        always_enabled_features = set(options.features_enabled) & set(
+            cmdoptions.ALWAYS_ENABLED_FEATURES
+        )
+        if always_enabled_features:
+            logger.warning(
+                "The following features are always enabled: %s. ",
+                ", ".join(sorted(always_enabled_features)),
+            )
+
+        # Make sure that the --python argument isn't specified after the
+        # subcommand. We can tell, because if --python was specified,
+        # we should only reach this point if we're running in the created
+        # subprocess, which has the _PIP_RUNNING_IN_SUBPROCESS environment
+        # variable set.
+        if options.python and "_PIP_RUNNING_IN_SUBPROCESS" not in os.environ:
+            logger.critical(
+                "The --python option must be placed before the pip subcommand name"
+            )
+            sys.exit(ERROR)
+
+        # TODO: Try to get these passing down from the command?
+        #       without resorting to os.environ to hold these.
+        #       This also affects isolated builds and it should.
+
+        if options.no_input:
+            os.environ["PIP_NO_INPUT"] = "1"
+
+        if options.exists_action:
+            os.environ["PIP_EXISTS_ACTION"] = " ".join(options.exists_action)
+
+        if options.require_venv and not self.ignore_require_venv:
+            # If a venv is required check if it can really be found
+            if not running_under_virtualenv():
+                logger.critical("Could not find an activated virtualenv (required).")
+                sys.exit(VIRTUALENV_NOT_FOUND)
+
+        if options.cache_dir:
+            options.cache_dir = normalize_path(options.cache_dir)
+            if not check_path_owner(options.cache_dir):
+                logger.warning(
+                    "The directory '%s' or its parent directory is not owned "
+                    "or is not writable by the current user. The cache "
+                    "has been disabled. Check the permissions and owner of "
+                    "that directory. If executing pip with sudo, you should "
+                    "use sudo's -H flag.",
+                    options.cache_dir,
+                )
+                options.cache_dir = None
+
+        def intercepts_unhandled_exc(
+            run_func: Callable[..., int]
+        ) -> Callable[..., int]:
+            @functools.wraps(run_func)
+            def exc_logging_wrapper(*args: Any) -> int:
+                try:
+                    status = run_func(*args)
+                    assert isinstance(status, int)
+                    return status
+                except DiagnosticPipError as exc:
+                    logger.error("%s", exc, extra={"rich": True})
+                    logger.debug("Exception information:", exc_info=True)
+
+                    return ERROR
+                except PreviousBuildDirError as exc:
+                    logger.critical(str(exc))
+                    logger.debug("Exception information:", exc_info=True)
+
+                    return PREVIOUS_BUILD_DIR_ERROR
+                except (
+                    InstallationError,
+                    UninstallationError,
+                    BadCommand,
+                    NetworkConnectionError,
+                ) as exc:
+                    logger.critical(str(exc))
+                    logger.debug("Exception information:", exc_info=True)
+
+                    return ERROR
+                except CommandError as exc:
+                    logger.critical("%s", exc)
+                    logger.debug("Exception information:", exc_info=True)
+
+                    return ERROR
+                except BrokenStdoutLoggingError:
+                    # Bypass our logger and write any remaining messages to
+                    # stderr because stdout no longer works.
+                    print("ERROR: Pipe to stdout was broken", file=sys.stderr)
+                    if level_number <= logging.DEBUG:
+                        traceback.print_exc(file=sys.stderr)
+
+                    return ERROR
+                except KeyboardInterrupt:
+                    logger.critical("Operation cancelled by user")
+                    logger.debug("Exception information:", exc_info=True)
+
+                    return ERROR
+                except BaseException:
+                    logger.critical("Exception:", exc_info=True)
+
+                    return UNKNOWN_ERROR
+
+            return exc_logging_wrapper
+
+        try:
+            if not options.debug_mode:
+                run = intercepts_unhandled_exc(self.run)
+            else:
+                run = self.run
+                rich_traceback.install(show_locals=True)
+            return run(options, args)
+        finally:
+            self.handle_pip_version_check(options)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/cmdoptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/cmdoptions.py
new file mode 100644
index 00000000..d05e502f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/cmdoptions.py
@@ -0,0 +1,1074 @@
+"""
+shared options and groups
+
+The principle here is to define options once, but *not* instantiate them
+globally. One reason being that options with action='append' can carry state
+between parses. pip parses general options twice internally, and shouldn't
+pass on state. To be consistent, all options will follow this design.
+"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import importlib.util
+import logging
+import os
+import textwrap
+from functools import partial
+from optparse import SUPPRESS_HELP, Option, OptionGroup, OptionParser, Values
+from textwrap import dedent
+from typing import Any, Callable, Dict, Optional, Tuple
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli.parser import ConfigOptionParser
+from pip._internal.exceptions import CommandError
+from pip._internal.locations import USER_CACHE_DIR, get_src_prefix
+from pip._internal.models.format_control import FormatControl
+from pip._internal.models.index import PyPI
+from pip._internal.models.target_python import TargetPython
+from pip._internal.utils.hashes import STRONG_HASHES
+from pip._internal.utils.misc import strtobool
+
+logger = logging.getLogger(__name__)
+
+
+def raise_option_error(parser: OptionParser, option: Option, msg: str) -> None:
+    """
+    Raise an option parsing error using parser.error().
+
+    Args:
+      parser: an OptionParser instance.
+      option: an Option instance.
+      msg: the error text.
+    """
+    msg = f"{option} error: {msg}"
+    msg = textwrap.fill(" ".join(msg.split()))
+    parser.error(msg)
+
+
+def make_option_group(group: Dict[str, Any], parser: ConfigOptionParser) -> OptionGroup:
+    """
+    Return an OptionGroup object
+    group  -- assumed to be dict with 'name' and 'options' keys
+    parser -- an optparse Parser
+    """
+    option_group = OptionGroup(parser, group["name"])
+    for option in group["options"]:
+        option_group.add_option(option())
+    return option_group
+
+
+def check_dist_restriction(options: Values, check_target: bool = False) -> None:
+    """Function for determining if custom platform options are allowed.
+
+    :param options: The OptionParser options.
+    :param check_target: Whether or not to check if --target is being used.
+    """
+    dist_restriction_set = any(
+        [
+            options.python_version,
+            options.platforms,
+            options.abis,
+            options.implementation,
+        ]
+    )
+
+    binary_only = FormatControl(set(), {":all:"})
+    sdist_dependencies_allowed = (
+        options.format_control != binary_only and not options.ignore_dependencies
+    )
+
+    # Installations or downloads using dist restrictions must not combine
+    # source distributions and dist-specific wheels, as they are not
+    # guaranteed to be locally compatible.
+    if dist_restriction_set and sdist_dependencies_allowed:
+        raise CommandError(
+            "When restricting platform and interpreter constraints using "
+            "--python-version, --platform, --abi, or --implementation, "
+            "either --no-deps must be set, or --only-binary=:all: must be "
+            "set and --no-binary must not be set (or must be set to "
+            ":none:)."
+        )
+
+    if check_target:
+        if not options.dry_run and dist_restriction_set and not options.target_dir:
+            raise CommandError(
+                "Can not use any platform or abi specific options unless "
+                "installing via '--target' or using '--dry-run'"
+            )
+
+
+def _path_option_check(option: Option, opt: str, value: str) -> str:
+    return os.path.expanduser(value)
+
+
+def _package_name_option_check(option: Option, opt: str, value: str) -> str:
+    return canonicalize_name(value)
+
+
+class PipOption(Option):
+    TYPES = Option.TYPES + ("path", "package_name")
+    TYPE_CHECKER = Option.TYPE_CHECKER.copy()
+    TYPE_CHECKER["package_name"] = _package_name_option_check
+    TYPE_CHECKER["path"] = _path_option_check
+
+
+###########
+# options #
+###########
+
+help_: Callable[..., Option] = partial(
+    Option,
+    "-h",
+    "--help",
+    dest="help",
+    action="help",
+    help="Show help.",
+)
+
+debug_mode: Callable[..., Option] = partial(
+    Option,
+    "--debug",
+    dest="debug_mode",
+    action="store_true",
+    default=False,
+    help=(
+        "Let unhandled exceptions propagate outside the main subroutine, "
+        "instead of logging them to stderr."
+    ),
+)
+
+isolated_mode: Callable[..., Option] = partial(
+    Option,
+    "--isolated",
+    dest="isolated_mode",
+    action="store_true",
+    default=False,
+    help=(
+        "Run pip in an isolated mode, ignoring environment variables and user "
+        "configuration."
+    ),
+)
+
+require_virtualenv: Callable[..., Option] = partial(
+    Option,
+    "--require-virtualenv",
+    "--require-venv",
+    dest="require_venv",
+    action="store_true",
+    default=False,
+    help=(
+        "Allow pip to only run in a virtual environment; "
+        "exit with an error otherwise."
+    ),
+)
+
+override_externally_managed: Callable[..., Option] = partial(
+    Option,
+    "--break-system-packages",
+    dest="override_externally_managed",
+    action="store_true",
+    help="Allow pip to modify an EXTERNALLY-MANAGED Python installation",
+)
+
+python: Callable[..., Option] = partial(
+    Option,
+    "--python",
+    dest="python",
+    help="Run pip with the specified Python interpreter.",
+)
+
+verbose: Callable[..., Option] = partial(
+    Option,
+    "-v",
+    "--verbose",
+    dest="verbose",
+    action="count",
+    default=0,
+    help="Give more output. Option is additive, and can be used up to 3 times.",
+)
+
+no_color: Callable[..., Option] = partial(
+    Option,
+    "--no-color",
+    dest="no_color",
+    action="store_true",
+    default=False,
+    help="Suppress colored output.",
+)
+
+version: Callable[..., Option] = partial(
+    Option,
+    "-V",
+    "--version",
+    dest="version",
+    action="store_true",
+    help="Show version and exit.",
+)
+
+quiet: Callable[..., Option] = partial(
+    Option,
+    "-q",
+    "--quiet",
+    dest="quiet",
+    action="count",
+    default=0,
+    help=(
+        "Give less output. Option is additive, and can be used up to 3"
+        " times (corresponding to WARNING, ERROR, and CRITICAL logging"
+        " levels)."
+    ),
+)
+
+progress_bar: Callable[..., Option] = partial(
+    Option,
+    "--progress-bar",
+    dest="progress_bar",
+    type="choice",
+    choices=["on", "off"],
+    default="on",
+    help="Specify whether the progress bar should be used [on, off] (default: on)",
+)
+
+log: Callable[..., Option] = partial(
+    PipOption,
+    "--log",
+    "--log-file",
+    "--local-log",
+    dest="log",
+    metavar="path",
+    type="path",
+    help="Path to a verbose appending log.",
+)
+
+no_input: Callable[..., Option] = partial(
+    Option,
+    # Don't ask for input
+    "--no-input",
+    dest="no_input",
+    action="store_true",
+    default=False,
+    help="Disable prompting for input.",
+)
+
+keyring_provider: Callable[..., Option] = partial(
+    Option,
+    "--keyring-provider",
+    dest="keyring_provider",
+    choices=["auto", "disabled", "import", "subprocess"],
+    default="auto",
+    help=(
+        "Enable the credential lookup via the keyring library if user input is allowed."
+        " Specify which mechanism to use [disabled, import, subprocess]."
+        " (default: disabled)"
+    ),
+)
+
+proxy: Callable[..., Option] = partial(
+    Option,
+    "--proxy",
+    dest="proxy",
+    type="str",
+    default="",
+    help="Specify a proxy in the form scheme://[user:passwd@]proxy.server:port.",
+)
+
+retries: Callable[..., Option] = partial(
+    Option,
+    "--retries",
+    dest="retries",
+    type="int",
+    default=5,
+    help="Maximum number of retries each connection should attempt "
+    "(default %default times).",
+)
+
+timeout: Callable[..., Option] = partial(
+    Option,
+    "--timeout",
+    "--default-timeout",
+    metavar="sec",
+    dest="timeout",
+    type="float",
+    default=15,
+    help="Set the socket timeout (default %default seconds).",
+)
+
+
+def exists_action() -> Option:
+    return Option(
+        # Option when path already exist
+        "--exists-action",
+        dest="exists_action",
+        type="choice",
+        choices=["s", "i", "w", "b", "a"],
+        default=[],
+        action="append",
+        metavar="action",
+        help="Default action when a path already exists: "
+        "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.",
+    )
+
+
+cert: Callable[..., Option] = partial(
+    PipOption,
+    "--cert",
+    dest="cert",
+    type="path",
+    metavar="path",
+    help=(
+        "Path to PEM-encoded CA certificate bundle. "
+        "If provided, overrides the default. "
+        "See 'SSL Certificate Verification' in pip documentation "
+        "for more information."
+    ),
+)
+
+client_cert: Callable[..., Option] = partial(
+    PipOption,
+    "--client-cert",
+    dest="client_cert",
+    type="path",
+    default=None,
+    metavar="path",
+    help="Path to SSL client certificate, a single file containing the "
+    "private key and the certificate in PEM format.",
+)
+
+index_url: Callable[..., Option] = partial(
+    Option,
+    "-i",
+    "--index-url",
+    "--pypi-url",
+    dest="index_url",
+    metavar="URL",
+    default=PyPI.simple_url,
+    help="Base URL of the Python Package Index (default %default). "
+    "This should point to a repository compliant with PEP 503 "
+    "(the simple repository API) or a local directory laid out "
+    "in the same format.",
+)
+
+
+def extra_index_url() -> Option:
+    return Option(
+        "--extra-index-url",
+        dest="extra_index_urls",
+        metavar="URL",
+        action="append",
+        default=[],
+        help="Extra URLs of package indexes to use in addition to "
+        "--index-url. Should follow the same rules as "
+        "--index-url.",
+    )
+
+
+no_index: Callable[..., Option] = partial(
+    Option,
+    "--no-index",
+    dest="no_index",
+    action="store_true",
+    default=False,
+    help="Ignore package index (only looking at --find-links URLs instead).",
+)
+
+
+def find_links() -> Option:
+    return Option(
+        "-f",
+        "--find-links",
+        dest="find_links",
+        action="append",
+        default=[],
+        metavar="url",
+        help="If a URL or path to an html file, then parse for links to "
+        "archives such as sdist (.tar.gz) or wheel (.whl) files. "
+        "If a local path or file:// URL that's a directory, "
+        "then look for archives in the directory listing. "
+        "Links to VCS project URLs are not supported.",
+    )
+
+
+def trusted_host() -> Option:
+    return Option(
+        "--trusted-host",
+        dest="trusted_hosts",
+        action="append",
+        metavar="HOSTNAME",
+        default=[],
+        help="Mark this host or host:port pair as trusted, even though it "
+        "does not have valid or any HTTPS.",
+    )
+
+
+def constraints() -> Option:
+    return Option(
+        "-c",
+        "--constraint",
+        dest="constraints",
+        action="append",
+        default=[],
+        metavar="file",
+        help="Constrain versions using the given constraints file. "
+        "This option can be used multiple times.",
+    )
+
+
+def requirements() -> Option:
+    return Option(
+        "-r",
+        "--requirement",
+        dest="requirements",
+        action="append",
+        default=[],
+        metavar="file",
+        help="Install from the given requirements file. "
+        "This option can be used multiple times.",
+    )
+
+
+def editable() -> Option:
+    return Option(
+        "-e",
+        "--editable",
+        dest="editables",
+        action="append",
+        default=[],
+        metavar="path/url",
+        help=(
+            "Install a project in editable mode (i.e. setuptools "
+            '"develop mode") from a local project path or a VCS url.'
+        ),
+    )
+
+
+def _handle_src(option: Option, opt_str: str, value: str, parser: OptionParser) -> None:
+    value = os.path.abspath(value)
+    setattr(parser.values, option.dest, value)
+
+
+src: Callable[..., Option] = partial(
+    PipOption,
+    "--src",
+    "--source",
+    "--source-dir",
+    "--source-directory",
+    dest="src_dir",
+    type="path",
+    metavar="dir",
+    default=get_src_prefix(),
+    action="callback",
+    callback=_handle_src,
+    help="Directory to check out editable projects into. "
+    'The default in a virtualenv is "<venv path>/src". '
+    'The default for global installs is "<current dir>/src".',
+)
+
+
+def _get_format_control(values: Values, option: Option) -> Any:
+    """Get a format_control object."""
+    return getattr(values, option.dest)
+
+
+def _handle_no_binary(
+    option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+    existing = _get_format_control(parser.values, option)
+    FormatControl.handle_mutual_excludes(
+        value,
+        existing.no_binary,
+        existing.only_binary,
+    )
+
+
+def _handle_only_binary(
+    option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+    existing = _get_format_control(parser.values, option)
+    FormatControl.handle_mutual_excludes(
+        value,
+        existing.only_binary,
+        existing.no_binary,
+    )
+
+
+def no_binary() -> Option:
+    format_control = FormatControl(set(), set())
+    return Option(
+        "--no-binary",
+        dest="format_control",
+        action="callback",
+        callback=_handle_no_binary,
+        type="str",
+        default=format_control,
+        help="Do not use binary packages. Can be supplied multiple times, and "
+        'each time adds to the existing value. Accepts either ":all:" to '
+        'disable all binary packages, ":none:" to empty the set (notice '
+        "the colons), or one or more package names with commas between "
+        "them (no colons). Note that some packages are tricky to compile "
+        "and may fail to install when this option is used on them.",
+    )
+
+
+def only_binary() -> Option:
+    format_control = FormatControl(set(), set())
+    return Option(
+        "--only-binary",
+        dest="format_control",
+        action="callback",
+        callback=_handle_only_binary,
+        type="str",
+        default=format_control,
+        help="Do not use source packages. Can be supplied multiple times, and "
+        'each time adds to the existing value. Accepts either ":all:" to '
+        'disable all source packages, ":none:" to empty the set, or one '
+        "or more package names with commas between them. Packages "
+        "without binary distributions will fail to install when this "
+        "option is used on them.",
+    )
+
+
+platforms: Callable[..., Option] = partial(
+    Option,
+    "--platform",
+    dest="platforms",
+    metavar="platform",
+    action="append",
+    default=None,
+    help=(
+        "Only use wheels compatible with <platform>. Defaults to the "
+        "platform of the running system. Use this option multiple times to "
+        "specify multiple platforms supported by the target interpreter."
+    ),
+)
+
+
+# This was made a separate function for unit-testing purposes.
+def _convert_python_version(value: str) -> Tuple[Tuple[int, ...], Optional[str]]:
+    """
+    Convert a version string like "3", "37", or "3.7.3" into a tuple of ints.
+
+    :return: A 2-tuple (version_info, error_msg), where `error_msg` is
+        non-None if and only if there was a parsing error.
+    """
+    if not value:
+        # The empty string is the same as not providing a value.
+        return (None, None)
+
+    parts = value.split(".")
+    if len(parts) > 3:
+        return ((), "at most three version parts are allowed")
+
+    if len(parts) == 1:
+        # Then we are in the case of "3" or "37".
+        value = parts[0]
+        if len(value) > 1:
+            parts = [value[0], value[1:]]
+
+    try:
+        version_info = tuple(int(part) for part in parts)
+    except ValueError:
+        return ((), "each version part must be an integer")
+
+    return (version_info, None)
+
+
+def _handle_python_version(
+    option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+    """
+    Handle a provided --python-version value.
+    """
+    version_info, error_msg = _convert_python_version(value)
+    if error_msg is not None:
+        msg = f"invalid --python-version value: {value!r}: {error_msg}"
+        raise_option_error(parser, option=option, msg=msg)
+
+    parser.values.python_version = version_info
+
+
+python_version: Callable[..., Option] = partial(
+    Option,
+    "--python-version",
+    dest="python_version",
+    metavar="python_version",
+    action="callback",
+    callback=_handle_python_version,
+    type="str",
+    default=None,
+    help=dedent(
+        """\
+    The Python interpreter version to use for wheel and "Requires-Python"
+    compatibility checks. Defaults to a version derived from the running
+    interpreter. The version can be specified using up to three dot-separated
+    integers (e.g. "3" for 3.0.0, "3.7" for 3.7.0, or "3.7.3"). A major-minor
+    version can also be given as a string without dots (e.g. "37" for 3.7.0).
+    """
+    ),
+)
+
+
+implementation: Callable[..., Option] = partial(
+    Option,
+    "--implementation",
+    dest="implementation",
+    metavar="implementation",
+    default=None,
+    help=(
+        "Only use wheels compatible with Python "
+        "implementation <implementation>, e.g. 'pp', 'jy', 'cp', "
+        " or 'ip'. If not specified, then the current "
+        "interpreter implementation is used.  Use 'py' to force "
+        "implementation-agnostic wheels."
+    ),
+)
+
+
+abis: Callable[..., Option] = partial(
+    Option,
+    "--abi",
+    dest="abis",
+    metavar="abi",
+    action="append",
+    default=None,
+    help=(
+        "Only use wheels compatible with Python abi <abi>, e.g. 'pypy_41'. "
+        "If not specified, then the current interpreter abi tag is used. "
+        "Use this option multiple times to specify multiple abis supported "
+        "by the target interpreter. Generally you will need to specify "
+        "--implementation, --platform, and --python-version when using this "
+        "option."
+    ),
+)
+
+
+def add_target_python_options(cmd_opts: OptionGroup) -> None:
+    cmd_opts.add_option(platforms())
+    cmd_opts.add_option(python_version())
+    cmd_opts.add_option(implementation())
+    cmd_opts.add_option(abis())
+
+
+def make_target_python(options: Values) -> TargetPython:
+    target_python = TargetPython(
+        platforms=options.platforms,
+        py_version_info=options.python_version,
+        abis=options.abis,
+        implementation=options.implementation,
+    )
+
+    return target_python
+
+
+def prefer_binary() -> Option:
+    return Option(
+        "--prefer-binary",
+        dest="prefer_binary",
+        action="store_true",
+        default=False,
+        help=(
+            "Prefer binary packages over source packages, even if the "
+            "source packages are newer."
+        ),
+    )
+
+
+cache_dir: Callable[..., Option] = partial(
+    PipOption,
+    "--cache-dir",
+    dest="cache_dir",
+    default=USER_CACHE_DIR,
+    metavar="dir",
+    type="path",
+    help="Store the cache data in <dir>.",
+)
+
+
+def _handle_no_cache_dir(
+    option: Option, opt: str, value: str, parser: OptionParser
+) -> None:
+    """
+    Process a value provided for the --no-cache-dir option.
+
+    This is an optparse.Option callback for the --no-cache-dir option.
+    """
+    # The value argument will be None if --no-cache-dir is passed via the
+    # command-line, since the option doesn't accept arguments.  However,
+    # the value can be non-None if the option is triggered e.g. by an
+    # environment variable, like PIP_NO_CACHE_DIR=true.
+    if value is not None:
+        # Then parse the string value to get argument error-checking.
+        try:
+            strtobool(value)
+        except ValueError as exc:
+            raise_option_error(parser, option=option, msg=str(exc))
+
+    # Originally, setting PIP_NO_CACHE_DIR to a value that strtobool()
+    # converted to 0 (like "false" or "no") caused cache_dir to be disabled
+    # rather than enabled (logic would say the latter).  Thus, we disable
+    # the cache directory not just on values that parse to True, but (for
+    # backwards compatibility reasons) also on values that parse to False.
+    # In other words, always set it to False if the option is provided in
+    # some (valid) form.
+    parser.values.cache_dir = False
+
+
+no_cache: Callable[..., Option] = partial(
+    Option,
+    "--no-cache-dir",
+    dest="cache_dir",
+    action="callback",
+    callback=_handle_no_cache_dir,
+    help="Disable the cache.",
+)
+
+no_deps: Callable[..., Option] = partial(
+    Option,
+    "--no-deps",
+    "--no-dependencies",
+    dest="ignore_dependencies",
+    action="store_true",
+    default=False,
+    help="Don't install package dependencies.",
+)
+
+ignore_requires_python: Callable[..., Option] = partial(
+    Option,
+    "--ignore-requires-python",
+    dest="ignore_requires_python",
+    action="store_true",
+    help="Ignore the Requires-Python information.",
+)
+
+no_build_isolation: Callable[..., Option] = partial(
+    Option,
+    "--no-build-isolation",
+    dest="build_isolation",
+    action="store_false",
+    default=True,
+    help="Disable isolation when building a modern source distribution. "
+    "Build dependencies specified by PEP 518 must be already installed "
+    "if this option is used.",
+)
+
+check_build_deps: Callable[..., Option] = partial(
+    Option,
+    "--check-build-dependencies",
+    dest="check_build_deps",
+    action="store_true",
+    default=False,
+    help="Check the build dependencies when PEP517 is used.",
+)
+
+
+def _handle_no_use_pep517(
+    option: Option, opt: str, value: str, parser: OptionParser
+) -> None:
+    """
+    Process a value provided for the --no-use-pep517 option.
+
+    This is an optparse.Option callback for the no_use_pep517 option.
+    """
+    # Since --no-use-pep517 doesn't accept arguments, the value argument
+    # will be None if --no-use-pep517 is passed via the command-line.
+    # However, the value can be non-None if the option is triggered e.g.
+    # by an environment variable, for example "PIP_NO_USE_PEP517=true".
+    if value is not None:
+        msg = """A value was passed for --no-use-pep517,
+        probably using either the PIP_NO_USE_PEP517 environment variable
+        or the "no-use-pep517" config file option. Use an appropriate value
+        of the PIP_USE_PEP517 environment variable or the "use-pep517"
+        config file option instead.
+        """
+        raise_option_error(parser, option=option, msg=msg)
+
+    # If user doesn't wish to use pep517, we check if setuptools and wheel are installed
+    # and raise error if it is not.
+    packages = ("setuptools", "wheel")
+    if not all(importlib.util.find_spec(package) for package in packages):
+        msg = (
+            f"It is not possible to use --no-use-pep517 "
+            f"without {' and '.join(packages)} installed."
+        )
+        raise_option_error(parser, option=option, msg=msg)
+
+    # Otherwise, --no-use-pep517 was passed via the command-line.
+    parser.values.use_pep517 = False
+
+
+use_pep517: Any = partial(
+    Option,
+    "--use-pep517",
+    dest="use_pep517",
+    action="store_true",
+    default=None,
+    help="Use PEP 517 for building source distributions "
+    "(use --no-use-pep517 to force legacy behaviour).",
+)
+
+no_use_pep517: Any = partial(
+    Option,
+    "--no-use-pep517",
+    dest="use_pep517",
+    action="callback",
+    callback=_handle_no_use_pep517,
+    default=None,
+    help=SUPPRESS_HELP,
+)
+
+
+def _handle_config_settings(
+    option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+    key, sep, val = value.partition("=")
+    if sep != "=":
+        parser.error(f"Arguments to {opt_str} must be of the form KEY=VAL")
+    dest = getattr(parser.values, option.dest)
+    if dest is None:
+        dest = {}
+        setattr(parser.values, option.dest, dest)
+    if key in dest:
+        if isinstance(dest[key], list):
+            dest[key].append(val)
+        else:
+            dest[key] = [dest[key], val]
+    else:
+        dest[key] = val
+
+
+config_settings: Callable[..., Option] = partial(
+    Option,
+    "-C",
+    "--config-settings",
+    dest="config_settings",
+    type=str,
+    action="callback",
+    callback=_handle_config_settings,
+    metavar="settings",
+    help="Configuration settings to be passed to the PEP 517 build backend. "
+    "Settings take the form KEY=VALUE. Use multiple --config-settings options "
+    "to pass multiple keys to the backend.",
+)
+
+build_options: Callable[..., Option] = partial(
+    Option,
+    "--build-option",
+    dest="build_options",
+    metavar="options",
+    action="append",
+    help="Extra arguments to be supplied to 'setup.py bdist_wheel'.",
+)
+
+global_options: Callable[..., Option] = partial(
+    Option,
+    "--global-option",
+    dest="global_options",
+    action="append",
+    metavar="options",
+    help="Extra global options to be supplied to the setup.py "
+    "call before the install or bdist_wheel command.",
+)
+
+no_clean: Callable[..., Option] = partial(
+    Option,
+    "--no-clean",
+    action="store_true",
+    default=False,
+    help="Don't clean up build directories.",
+)
+
+pre: Callable[..., Option] = partial(
+    Option,
+    "--pre",
+    action="store_true",
+    default=False,
+    help="Include pre-release and development versions. By default, "
+    "pip only finds stable versions.",
+)
+
+disable_pip_version_check: Callable[..., Option] = partial(
+    Option,
+    "--disable-pip-version-check",
+    dest="disable_pip_version_check",
+    action="store_true",
+    default=False,
+    help="Don't periodically check PyPI to determine whether a new version "
+    "of pip is available for download. Implied with --no-index.",
+)
+
+root_user_action: Callable[..., Option] = partial(
+    Option,
+    "--root-user-action",
+    dest="root_user_action",
+    default="warn",
+    choices=["warn", "ignore"],
+    help="Action if pip is run as a root user. By default, a warning message is shown.",
+)
+
+
+def _handle_merge_hash(
+    option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+    """Given a value spelled "algo:digest", append the digest to a list
+    pointed to in a dict by the algo name."""
+    if not parser.values.hashes:
+        parser.values.hashes = {}
+    try:
+        algo, digest = value.split(":", 1)
+    except ValueError:
+        parser.error(
+            f"Arguments to {opt_str} must be a hash name "
+            "followed by a value, like --hash=sha256:"
+            "abcde..."
+        )
+    if algo not in STRONG_HASHES:
+        parser.error(
+            "Allowed hash algorithms for {} are {}.".format(
+                opt_str, ", ".join(STRONG_HASHES)
+            )
+        )
+    parser.values.hashes.setdefault(algo, []).append(digest)
+
+
+hash: Callable[..., Option] = partial(
+    Option,
+    "--hash",
+    # Hash values eventually end up in InstallRequirement.hashes due to
+    # __dict__ copying in process_line().
+    dest="hashes",
+    action="callback",
+    callback=_handle_merge_hash,
+    type="string",
+    help="Verify that the package's archive matches this "
+    "hash before installing. Example: --hash=sha256:abcdef...",
+)
+
+
+require_hashes: Callable[..., Option] = partial(
+    Option,
+    "--require-hashes",
+    dest="require_hashes",
+    action="store_true",
+    default=False,
+    help="Require a hash to check each requirement against, for "
+    "repeatable installs. This option is implied when any package in a "
+    "requirements file has a --hash option.",
+)
+
+
+list_path: Callable[..., Option] = partial(
+    PipOption,
+    "--path",
+    dest="path",
+    type="path",
+    action="append",
+    help="Restrict to the specified installation path for listing "
+    "packages (can be used multiple times).",
+)
+
+
+def check_list_path_option(options: Values) -> None:
+    if options.path and (options.user or options.local):
+        raise CommandError("Cannot combine '--path' with '--user' or '--local'")
+
+
+list_exclude: Callable[..., Option] = partial(
+    PipOption,
+    "--exclude",
+    dest="excludes",
+    action="append",
+    metavar="package",
+    type="package_name",
+    help="Exclude specified package from the output",
+)
+
+
+no_python_version_warning: Callable[..., Option] = partial(
+    Option,
+    "--no-python-version-warning",
+    dest="no_python_version_warning",
+    action="store_true",
+    default=False,
+    help="Silence deprecation warnings for upcoming unsupported Pythons.",
+)
+
+
+# Features that are now always on. A warning is printed if they are used.
+ALWAYS_ENABLED_FEATURES = [
+    "no-binary-enable-wheel-cache",  # always on since 23.1
+]
+
+use_new_feature: Callable[..., Option] = partial(
+    Option,
+    "--use-feature",
+    dest="features_enabled",
+    metavar="feature",
+    action="append",
+    default=[],
+    choices=[
+        "fast-deps",
+        "truststore",
+    ]
+    + ALWAYS_ENABLED_FEATURES,
+    help="Enable new functionality, that may be backward incompatible.",
+)
+
+use_deprecated_feature: Callable[..., Option] = partial(
+    Option,
+    "--use-deprecated",
+    dest="deprecated_features_enabled",
+    metavar="feature",
+    action="append",
+    default=[],
+    choices=[
+        "legacy-resolver",
+    ],
+    help=("Enable deprecated functionality, that will be removed in the future."),
+)
+
+
+##########
+# groups #
+##########
+
+general_group: Dict[str, Any] = {
+    "name": "General Options",
+    "options": [
+        help_,
+        debug_mode,
+        isolated_mode,
+        require_virtualenv,
+        python,
+        verbose,
+        version,
+        quiet,
+        log,
+        no_input,
+        keyring_provider,
+        proxy,
+        retries,
+        timeout,
+        exists_action,
+        trusted_host,
+        cert,
+        client_cert,
+        cache_dir,
+        no_cache,
+        disable_pip_version_check,
+        no_color,
+        no_python_version_warning,
+        use_new_feature,
+        use_deprecated_feature,
+    ],
+}
+
+index_group: Dict[str, Any] = {
+    "name": "Package Index Options",
+    "options": [
+        index_url,
+        extra_index_url,
+        no_index,
+        find_links,
+    ],
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/command_context.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/command_context.py
new file mode 100644
index 00000000..139995ac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/command_context.py
@@ -0,0 +1,27 @@
+from contextlib import ExitStack, contextmanager
+from typing import ContextManager, Generator, TypeVar
+
+_T = TypeVar("_T", covariant=True)
+
+
+class CommandContextMixIn:
+    def __init__(self) -> None:
+        super().__init__()
+        self._in_main_context = False
+        self._main_context = ExitStack()
+
+    @contextmanager
+    def main_context(self) -> Generator[None, None, None]:
+        assert not self._in_main_context
+
+        self._in_main_context = True
+        try:
+            with self._main_context:
+                yield
+        finally:
+            self._in_main_context = False
+
+    def enter_context(self, context_provider: ContextManager[_T]) -> _T:
+        assert self._in_main_context
+
+        return self._main_context.enter_context(context_provider)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/main.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/main.py
new file mode 100644
index 00000000..7e061f5b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/main.py
@@ -0,0 +1,79 @@
+"""Primary application entrypoint.
+"""
+import locale
+import logging
+import os
+import sys
+import warnings
+from typing import List, Optional
+
+from pip._internal.cli.autocompletion import autocomplete
+from pip._internal.cli.main_parser import parse_command
+from pip._internal.commands import create_command
+from pip._internal.exceptions import PipError
+from pip._internal.utils import deprecation
+
+logger = logging.getLogger(__name__)
+
+
+# Do not import and use main() directly! Using it directly is actively
+# discouraged by pip's maintainers. The name, location and behavior of
+# this function is subject to change, so calling it directly is not
+# portable across different pip versions.
+
+# In addition, running pip in-process is unsupported and unsafe. This is
+# elaborated in detail at
+# https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program.
+# That document also provides suggestions that should work for nearly
+# all users that are considering importing and using main() directly.
+
+# However, we know that certain users will still want to invoke pip
+# in-process. If you understand and accept the implications of using pip
+# in an unsupported manner, the best approach is to use runpy to avoid
+# depending on the exact location of this entry point.
+
+# The following example shows how to use runpy to invoke pip in that
+# case:
+#
+#     sys.argv = ["pip", your, args, here]
+#     runpy.run_module("pip", run_name="__main__")
+#
+# Note that this will exit the process after running, unlike a direct
+# call to main. As it is not safe to do any processing after calling
+# main, this should not be an issue in practice.
+
+
+def main(args: Optional[List[str]] = None) -> int:
+    if args is None:
+        args = sys.argv[1:]
+
+    # Suppress the pkg_resources deprecation warning
+    # Note - we use a module of .*pkg_resources to cover
+    # the normal case (pip._vendor.pkg_resources) and the
+    # devendored case (a bare pkg_resources)
+    warnings.filterwarnings(
+        action="ignore", category=DeprecationWarning, module=".*pkg_resources"
+    )
+
+    # Configure our deprecation warnings to be sent through loggers
+    deprecation.install_warning_logger()
+
+    autocomplete()
+
+    try:
+        cmd_name, cmd_args = parse_command(args)
+    except PipError as exc:
+        sys.stderr.write(f"ERROR: {exc}")
+        sys.stderr.write(os.linesep)
+        sys.exit(1)
+
+    # Needed for locale.getpreferredencoding(False) to work
+    # in pip._internal.utils.encoding.auto_decode
+    try:
+        locale.setlocale(locale.LC_ALL, "")
+    except locale.Error as e:
+        # setlocale can apparently crash if locale are uninitialized
+        logger.debug("Ignoring error %s when setting locale", e)
+    command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
+
+    return command.main(cmd_args)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/main_parser.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/main_parser.py
new file mode 100644
index 00000000..5ade356b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/main_parser.py
@@ -0,0 +1,134 @@
+"""A single place for constructing and exposing the main parser
+"""
+
+import os
+import subprocess
+import sys
+from typing import List, Optional, Tuple
+
+from pip._internal.build_env import get_runnable_pip
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
+from pip._internal.commands import commands_dict, get_similar_commands
+from pip._internal.exceptions import CommandError
+from pip._internal.utils.misc import get_pip_version, get_prog
+
+__all__ = ["create_main_parser", "parse_command"]
+
+
+def create_main_parser() -> ConfigOptionParser:
+    """Creates and returns the main parser for pip's CLI"""
+
+    parser = ConfigOptionParser(
+        usage="\n%prog <command> [options]",
+        add_help_option=False,
+        formatter=UpdatingDefaultsHelpFormatter(),
+        name="global",
+        prog=get_prog(),
+    )
+    parser.disable_interspersed_args()
+
+    parser.version = get_pip_version()
+
+    # add the general options
+    gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
+    parser.add_option_group(gen_opts)
+
+    # so the help formatter knows
+    parser.main = True  # type: ignore
+
+    # create command listing for description
+    description = [""] + [
+        f"{name:27} {command_info.summary}"
+        for name, command_info in commands_dict.items()
+    ]
+    parser.description = "\n".join(description)
+
+    return parser
+
+
+def identify_python_interpreter(python: str) -> Optional[str]:
+    # If the named file exists, use it.
+    # If it's a directory, assume it's a virtual environment and
+    # look for the environment's Python executable.
+    if os.path.exists(python):
+        if os.path.isdir(python):
+            # bin/python for Unix, Scripts/python.exe for Windows
+            # Try both in case of odd cases like cygwin.
+            for exe in ("bin/python", "Scripts/python.exe"):
+                py = os.path.join(python, exe)
+                if os.path.exists(py):
+                    return py
+        else:
+            return python
+
+    # Could not find the interpreter specified
+    return None
+
+
+def parse_command(args: List[str]) -> Tuple[str, List[str]]:
+    parser = create_main_parser()
+
+    # Note: parser calls disable_interspersed_args(), so the result of this
+    # call is to split the initial args into the general options before the
+    # subcommand and everything else.
+    # For example:
+    #  args: ['--timeout=5', 'install', '--user', 'INITools']
+    #  general_options: ['--timeout==5']
+    #  args_else: ['install', '--user', 'INITools']
+    general_options, args_else = parser.parse_args(args)
+
+    # --python
+    if general_options.python and "_PIP_RUNNING_IN_SUBPROCESS" not in os.environ:
+        # Re-invoke pip using the specified Python interpreter
+        interpreter = identify_python_interpreter(general_options.python)
+        if interpreter is None:
+            raise CommandError(
+                f"Could not locate Python interpreter {general_options.python}"
+            )
+
+        pip_cmd = [
+            interpreter,
+            get_runnable_pip(),
+        ]
+        pip_cmd.extend(args)
+
+        # Set a flag so the child doesn't re-invoke itself, causing
+        # an infinite loop.
+        os.environ["_PIP_RUNNING_IN_SUBPROCESS"] = "1"
+        returncode = 0
+        try:
+            proc = subprocess.run(pip_cmd)
+            returncode = proc.returncode
+        except (subprocess.SubprocessError, OSError) as exc:
+            raise CommandError(f"Failed to run pip under {interpreter}: {exc}")
+        sys.exit(returncode)
+
+    # --version
+    if general_options.version:
+        sys.stdout.write(parser.version)
+        sys.stdout.write(os.linesep)
+        sys.exit()
+
+    # pip || pip help -> print_help()
+    if not args_else or (args_else[0] == "help" and len(args_else) == 1):
+        parser.print_help()
+        sys.exit()
+
+    # the subcommand name
+    cmd_name = args_else[0]
+
+    if cmd_name not in commands_dict:
+        guess = get_similar_commands(cmd_name)
+
+        msg = [f'unknown command "{cmd_name}"']
+        if guess:
+            msg.append(f'maybe you meant "{guess}"')
+
+        raise CommandError(" - ".join(msg))
+
+    # all the args without the subcommand
+    cmd_args = args[:]
+    cmd_args.remove(cmd_name)
+
+    return cmd_name, cmd_args
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/parser.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/parser.py
new file mode 100644
index 00000000..ae554b24
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/parser.py
@@ -0,0 +1,294 @@
+"""Base option parser setup"""
+
+import logging
+import optparse
+import shutil
+import sys
+import textwrap
+from contextlib import suppress
+from typing import Any, Dict, Generator, List, Tuple
+
+from pip._internal.cli.status_codes import UNKNOWN_ERROR
+from pip._internal.configuration import Configuration, ConfigurationError
+from pip._internal.utils.misc import redact_auth_from_url, strtobool
+
+logger = logging.getLogger(__name__)
+
+
+class PrettyHelpFormatter(optparse.IndentedHelpFormatter):
+    """A prettier/less verbose help formatter for optparse."""
+
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
+        # help position must be aligned with __init__.parseopts.description
+        kwargs["max_help_position"] = 30
+        kwargs["indent_increment"] = 1
+        kwargs["width"] = shutil.get_terminal_size()[0] - 2
+        super().__init__(*args, **kwargs)
+
+    def format_option_strings(self, option: optparse.Option) -> str:
+        return self._format_option_strings(option)
+
+    def _format_option_strings(
+        self, option: optparse.Option, mvarfmt: str = " <{}>", optsep: str = ", "
+    ) -> str:
+        """
+        Return a comma-separated list of option strings and metavars.
+
+        :param option:  tuple of (short opt, long opt), e.g: ('-f', '--format')
+        :param mvarfmt: metavar format string
+        :param optsep:  separator
+        """
+        opts = []
+
+        if option._short_opts:
+            opts.append(option._short_opts[0])
+        if option._long_opts:
+            opts.append(option._long_opts[0])
+        if len(opts) > 1:
+            opts.insert(1, optsep)
+
+        if option.takes_value():
+            assert option.dest is not None
+            metavar = option.metavar or option.dest.lower()
+            opts.append(mvarfmt.format(metavar.lower()))
+
+        return "".join(opts)
+
+    def format_heading(self, heading: str) -> str:
+        if heading == "Options":
+            return ""
+        return heading + ":\n"
+
+    def format_usage(self, usage: str) -> str:
+        """
+        Ensure there is only one newline between usage and the first heading
+        if there is no description.
+        """
+        msg = "\nUsage: {}\n".format(self.indent_lines(textwrap.dedent(usage), "  "))
+        return msg
+
+    def format_description(self, description: str) -> str:
+        # leave full control over description to us
+        if description:
+            if hasattr(self.parser, "main"):
+                label = "Commands"
+            else:
+                label = "Description"
+            # some doc strings have initial newlines, some don't
+            description = description.lstrip("\n")
+            # some doc strings have final newlines and spaces, some don't
+            description = description.rstrip()
+            # dedent, then reindent
+            description = self.indent_lines(textwrap.dedent(description), "  ")
+            description = f"{label}:\n{description}\n"
+            return description
+        else:
+            return ""
+
+    def format_epilog(self, epilog: str) -> str:
+        # leave full control over epilog to us
+        if epilog:
+            return epilog
+        else:
+            return ""
+
+    def indent_lines(self, text: str, indent: str) -> str:
+        new_lines = [indent + line for line in text.split("\n")]
+        return "\n".join(new_lines)
+
+
+class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter):
+    """Custom help formatter for use in ConfigOptionParser.
+
+    This is updates the defaults before expanding them, allowing
+    them to show up correctly in the help listing.
+
+    Also redact auth from url type options
+    """
+
+    def expand_default(self, option: optparse.Option) -> str:
+        default_values = None
+        if self.parser is not None:
+            assert isinstance(self.parser, ConfigOptionParser)
+            self.parser._update_defaults(self.parser.defaults)
+            assert option.dest is not None
+            default_values = self.parser.defaults.get(option.dest)
+        help_text = super().expand_default(option)
+
+        if default_values and option.metavar == "URL":
+            if isinstance(default_values, str):
+                default_values = [default_values]
+
+            # If its not a list, we should abort and just return the help text
+            if not isinstance(default_values, list):
+                default_values = []
+
+            for val in default_values:
+                help_text = help_text.replace(val, redact_auth_from_url(val))
+
+        return help_text
+
+
+class CustomOptionParser(optparse.OptionParser):
+    def insert_option_group(
+        self, idx: int, *args: Any, **kwargs: Any
+    ) -> optparse.OptionGroup:
+        """Insert an OptionGroup at a given position."""
+        group = self.add_option_group(*args, **kwargs)
+
+        self.option_groups.pop()
+        self.option_groups.insert(idx, group)
+
+        return group
+
+    @property
+    def option_list_all(self) -> List[optparse.Option]:
+        """Get a list of all options, including those in option groups."""
+        res = self.option_list[:]
+        for i in self.option_groups:
+            res.extend(i.option_list)
+
+        return res
+
+
+class ConfigOptionParser(CustomOptionParser):
+    """Custom option parser which updates its defaults by checking the
+    configuration files and environmental variables"""
+
+    def __init__(
+        self,
+        *args: Any,
+        name: str,
+        isolated: bool = False,
+        **kwargs: Any,
+    ) -> None:
+        self.name = name
+        self.config = Configuration(isolated)
+
+        assert self.name
+        super().__init__(*args, **kwargs)
+
+    def check_default(self, option: optparse.Option, key: str, val: Any) -> Any:
+        try:
+            return option.check_value(key, val)
+        except optparse.OptionValueError as exc:
+            print(f"An error occurred during configuration: {exc}")
+            sys.exit(3)
+
+    def _get_ordered_configuration_items(
+        self,
+    ) -> Generator[Tuple[str, Any], None, None]:
+        # Configuration gives keys in an unordered manner. Order them.
+        override_order = ["global", self.name, ":env:"]
+
+        # Pool the options into different groups
+        section_items: Dict[str, List[Tuple[str, Any]]] = {
+            name: [] for name in override_order
+        }
+        for section_key, val in self.config.items():
+            # ignore empty values
+            if not val:
+                logger.debug(
+                    "Ignoring configuration key '%s' as it's value is empty.",
+                    section_key,
+                )
+                continue
+
+            section, key = section_key.split(".", 1)
+            if section in override_order:
+                section_items[section].append((key, val))
+
+        # Yield each group in their override order
+        for section in override_order:
+            for key, val in section_items[section]:
+                yield key, val
+
+    def _update_defaults(self, defaults: Dict[str, Any]) -> Dict[str, Any]:
+        """Updates the given defaults with values from the config files and
+        the environ. Does a little special handling for certain types of
+        options (lists)."""
+
+        # Accumulate complex default state.
+        self.values = optparse.Values(self.defaults)
+        late_eval = set()
+        # Then set the options with those values
+        for key, val in self._get_ordered_configuration_items():
+            # '--' because configuration supports only long names
+            option = self.get_option("--" + key)
+
+            # Ignore options not present in this parser. E.g. non-globals put
+            # in [global] by users that want them to apply to all applicable
+            # commands.
+            if option is None:
+                continue
+
+            assert option.dest is not None
+
+            if option.action in ("store_true", "store_false"):
+                try:
+                    val = strtobool(val)
+                except ValueError:
+                    self.error(
+                        f"{val} is not a valid value for {key} option, "
+                        "please specify a boolean value like yes/no, "
+                        "true/false or 1/0 instead."
+                    )
+            elif option.action == "count":
+                with suppress(ValueError):
+                    val = strtobool(val)
+                with suppress(ValueError):
+                    val = int(val)
+                if not isinstance(val, int) or val < 0:
+                    self.error(
+                        f"{val} is not a valid value for {key} option, "
+                        "please instead specify either a non-negative integer "
+                        "or a boolean value like yes/no or false/true "
+                        "which is equivalent to 1/0."
+                    )
+            elif option.action == "append":
+                val = val.split()
+                val = [self.check_default(option, key, v) for v in val]
+            elif option.action == "callback":
+                assert option.callback is not None
+                late_eval.add(option.dest)
+                opt_str = option.get_opt_string()
+                val = option.convert_value(opt_str, val)
+                # From take_action
+                args = option.callback_args or ()
+                kwargs = option.callback_kwargs or {}
+                option.callback(option, opt_str, val, self, *args, **kwargs)
+            else:
+                val = self.check_default(option, key, val)
+
+            defaults[option.dest] = val
+
+        for key in late_eval:
+            defaults[key] = getattr(self.values, key)
+        self.values = None
+        return defaults
+
+    def get_default_values(self) -> optparse.Values:
+        """Overriding to make updating the defaults after instantiation of
+        the option parser possible, _update_defaults() does the dirty work."""
+        if not self.process_default_values:
+            # Old, pre-Optik 1.5 behaviour.
+            return optparse.Values(self.defaults)
+
+        # Load the configuration, or error out in case of an error
+        try:
+            self.config.load()
+        except ConfigurationError as err:
+            self.exit(UNKNOWN_ERROR, str(err))
+
+        defaults = self._update_defaults(self.defaults.copy())  # ours
+        for option in self._get_all_options():
+            assert option.dest is not None
+            default = defaults.get(option.dest)
+            if isinstance(default, str):
+                opt_str = option.get_opt_string()
+                defaults[option.dest] = option.check_value(opt_str, default)
+        return optparse.Values(defaults)
+
+    def error(self, msg: str) -> None:
+        self.print_usage(sys.stderr)
+        self.exit(UNKNOWN_ERROR, f"{msg}\n")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/progress_bars.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/progress_bars.py
new file mode 100644
index 00000000..0ad14031
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/progress_bars.py
@@ -0,0 +1,68 @@
+import functools
+from typing import Callable, Generator, Iterable, Iterator, Optional, Tuple
+
+from pip._vendor.rich.progress import (
+    BarColumn,
+    DownloadColumn,
+    FileSizeColumn,
+    Progress,
+    ProgressColumn,
+    SpinnerColumn,
+    TextColumn,
+    TimeElapsedColumn,
+    TimeRemainingColumn,
+    TransferSpeedColumn,
+)
+
+from pip._internal.utils.logging import get_indentation
+
+DownloadProgressRenderer = Callable[[Iterable[bytes]], Iterator[bytes]]
+
+
+def _rich_progress_bar(
+    iterable: Iterable[bytes],
+    *,
+    bar_type: str,
+    size: int,
+) -> Generator[bytes, None, None]:
+    assert bar_type == "on", "This should only be used in the default mode."
+
+    if not size:
+        total = float("inf")
+        columns: Tuple[ProgressColumn, ...] = (
+            TextColumn("[progress.description]{task.description}"),
+            SpinnerColumn("line", speed=1.5),
+            FileSizeColumn(),
+            TransferSpeedColumn(),
+            TimeElapsedColumn(),
+        )
+    else:
+        total = size
+        columns = (
+            TextColumn("[progress.description]{task.description}"),
+            BarColumn(),
+            DownloadColumn(),
+            TransferSpeedColumn(),
+            TextColumn("eta"),
+            TimeRemainingColumn(),
+        )
+
+    progress = Progress(*columns, refresh_per_second=30)
+    task_id = progress.add_task(" " * (get_indentation() + 2), total=total)
+    with progress:
+        for chunk in iterable:
+            yield chunk
+            progress.update(task_id, advance=len(chunk))
+
+
+def get_download_progress_renderer(
+    *, bar_type: str, size: Optional[int] = None
+) -> DownloadProgressRenderer:
+    """Get an object that can be used to render the download progress.
+
+    Returns a callable, that takes an iterable to "wrap".
+    """
+    if bar_type == "on":
+        return functools.partial(_rich_progress_bar, bar_type=bar_type, size=size)
+    else:
+        return iter  # no-op, when passed an iterator
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/req_command.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/req_command.py
new file mode 100644
index 00000000..6f2f79c6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/req_command.py
@@ -0,0 +1,505 @@
+"""Contains the Command base classes that depend on PipSession.
+
+The classes in this module are in a separate module so the commands not
+needing download / PackageFinder capability don't unnecessarily import the
+PackageFinder machinery and all its vendored dependencies, etc.
+"""
+
+import logging
+import os
+import sys
+from functools import partial
+from optparse import Values
+from typing import TYPE_CHECKING, Any, List, Optional, Tuple
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.command_context import CommandContextMixIn
+from pip._internal.exceptions import CommandError, PreviousBuildDirError
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.models.target_python import TargetPython
+from pip._internal.network.session import PipSession
+from pip._internal.operations.build.build_tracker import BuildTracker
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.constructors import (
+    install_req_from_editable,
+    install_req_from_line,
+    install_req_from_parsed_requirement,
+    install_req_from_req_string,
+)
+from pip._internal.req.req_file import parse_requirements
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.resolution.base import BaseResolver
+from pip._internal.self_outdated_check import pip_self_version_check
+from pip._internal.utils.temp_dir import (
+    TempDirectory,
+    TempDirectoryTypeRegistry,
+    tempdir_kinds,
+)
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+if TYPE_CHECKING:
+    from ssl import SSLContext
+
+logger = logging.getLogger(__name__)
+
+
+def _create_truststore_ssl_context() -> Optional["SSLContext"]:
+    if sys.version_info < (3, 10):
+        raise CommandError("The truststore feature is only available for Python 3.10+")
+
+    try:
+        import ssl
+    except ImportError:
+        logger.warning("Disabling truststore since ssl support is missing")
+        return None
+
+    try:
+        from pip._vendor import truststore
+    except ImportError as e:
+        raise CommandError(f"The truststore feature is unavailable: {e}")
+
+    return truststore.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
+
+
+class SessionCommandMixin(CommandContextMixIn):
+
+    """
+    A class mixin for command classes needing _build_session().
+    """
+
+    def __init__(self) -> None:
+        super().__init__()
+        self._session: Optional[PipSession] = None
+
+    @classmethod
+    def _get_index_urls(cls, options: Values) -> Optional[List[str]]:
+        """Return a list of index urls from user-provided options."""
+        index_urls = []
+        if not getattr(options, "no_index", False):
+            url = getattr(options, "index_url", None)
+            if url:
+                index_urls.append(url)
+        urls = getattr(options, "extra_index_urls", None)
+        if urls:
+            index_urls.extend(urls)
+        # Return None rather than an empty list
+        return index_urls or None
+
+    def get_default_session(self, options: Values) -> PipSession:
+        """Get a default-managed session."""
+        if self._session is None:
+            self._session = self.enter_context(self._build_session(options))
+            # there's no type annotation on requests.Session, so it's
+            # automatically ContextManager[Any] and self._session becomes Any,
+            # then https://github.com/python/mypy/issues/7696 kicks in
+            assert self._session is not None
+        return self._session
+
+    def _build_session(
+        self,
+        options: Values,
+        retries: Optional[int] = None,
+        timeout: Optional[int] = None,
+        fallback_to_certifi: bool = False,
+    ) -> PipSession:
+        cache_dir = options.cache_dir
+        assert not cache_dir or os.path.isabs(cache_dir)
+
+        if "truststore" in options.features_enabled:
+            try:
+                ssl_context = _create_truststore_ssl_context()
+            except Exception:
+                if not fallback_to_certifi:
+                    raise
+                ssl_context = None
+        else:
+            ssl_context = None
+
+        session = PipSession(
+            cache=os.path.join(cache_dir, "http-v2") if cache_dir else None,
+            retries=retries if retries is not None else options.retries,
+            trusted_hosts=options.trusted_hosts,
+            index_urls=self._get_index_urls(options),
+            ssl_context=ssl_context,
+        )
+
+        # Handle custom ca-bundles from the user
+        if options.cert:
+            session.verify = options.cert
+
+        # Handle SSL client certificate
+        if options.client_cert:
+            session.cert = options.client_cert
+
+        # Handle timeouts
+        if options.timeout or timeout:
+            session.timeout = timeout if timeout is not None else options.timeout
+
+        # Handle configured proxies
+        if options.proxy:
+            session.proxies = {
+                "http": options.proxy,
+                "https": options.proxy,
+            }
+
+        # Determine if we can prompt the user for authentication or not
+        session.auth.prompting = not options.no_input
+        session.auth.keyring_provider = options.keyring_provider
+
+        return session
+
+
+class IndexGroupCommand(Command, SessionCommandMixin):
+
+    """
+    Abstract base class for commands with the index_group options.
+
+    This also corresponds to the commands that permit the pip version check.
+    """
+
+    def handle_pip_version_check(self, options: Values) -> None:
+        """
+        Do the pip version check if not disabled.
+
+        This overrides the default behavior of not doing the check.
+        """
+        # Make sure the index_group options are present.
+        assert hasattr(options, "no_index")
+
+        if options.disable_pip_version_check or options.no_index:
+            return
+
+        # Otherwise, check if we're using the latest version of pip available.
+        session = self._build_session(
+            options,
+            retries=0,
+            timeout=min(5, options.timeout),
+            # This is set to ensure the function does not fail when truststore is
+            # specified in use-feature but cannot be loaded. This usually raises a
+            # CommandError and shows a nice user-facing error, but this function is not
+            # called in that try-except block.
+            fallback_to_certifi=True,
+        )
+        with session:
+            pip_self_version_check(session, options)
+
+
+KEEPABLE_TEMPDIR_TYPES = [
+    tempdir_kinds.BUILD_ENV,
+    tempdir_kinds.EPHEM_WHEEL_CACHE,
+    tempdir_kinds.REQ_BUILD,
+]
+
+
+def warn_if_run_as_root() -> None:
+    """Output a warning for sudo users on Unix.
+
+    In a virtual environment, sudo pip still writes to virtualenv.
+    On Windows, users may run pip as Administrator without issues.
+    This warning only applies to Unix root users outside of virtualenv.
+    """
+    if running_under_virtualenv():
+        return
+    if not hasattr(os, "getuid"):
+        return
+    # On Windows, there are no "system managed" Python packages. Installing as
+    # Administrator via pip is the correct way of updating system environments.
+    #
+    # We choose sys.platform over utils.compat.WINDOWS here to enable Mypy platform
+    # checks: https://mypy.readthedocs.io/en/stable/common_issues.html
+    if sys.platform == "win32" or sys.platform == "cygwin":
+        return
+
+    if os.getuid() != 0:
+        return
+
+    logger.warning(
+        "Running pip as the 'root' user can result in broken permissions and "
+        "conflicting behaviour with the system package manager. "
+        "It is recommended to use a virtual environment instead: "
+        "https://pip.pypa.io/warnings/venv"
+    )
+
+
+def with_cleanup(func: Any) -> Any:
+    """Decorator for common logic related to managing temporary
+    directories.
+    """
+
+    def configure_tempdir_registry(registry: TempDirectoryTypeRegistry) -> None:
+        for t in KEEPABLE_TEMPDIR_TYPES:
+            registry.set_delete(t, False)
+
+    def wrapper(
+        self: RequirementCommand, options: Values, args: List[Any]
+    ) -> Optional[int]:
+        assert self.tempdir_registry is not None
+        if options.no_clean:
+            configure_tempdir_registry(self.tempdir_registry)
+
+        try:
+            return func(self, options, args)
+        except PreviousBuildDirError:
+            # This kind of conflict can occur when the user passes an explicit
+            # build directory with a pre-existing folder. In that case we do
+            # not want to accidentally remove it.
+            configure_tempdir_registry(self.tempdir_registry)
+            raise
+
+    return wrapper
+
+
+class RequirementCommand(IndexGroupCommand):
+    def __init__(self, *args: Any, **kw: Any) -> None:
+        super().__init__(*args, **kw)
+
+        self.cmd_opts.add_option(cmdoptions.no_clean())
+
+    @staticmethod
+    def determine_resolver_variant(options: Values) -> str:
+        """Determines which resolver should be used, based on the given options."""
+        if "legacy-resolver" in options.deprecated_features_enabled:
+            return "legacy"
+
+        return "resolvelib"
+
+    @classmethod
+    def make_requirement_preparer(
+        cls,
+        temp_build_dir: TempDirectory,
+        options: Values,
+        build_tracker: BuildTracker,
+        session: PipSession,
+        finder: PackageFinder,
+        use_user_site: bool,
+        download_dir: Optional[str] = None,
+        verbosity: int = 0,
+    ) -> RequirementPreparer:
+        """
+        Create a RequirementPreparer instance for the given parameters.
+        """
+        temp_build_dir_path = temp_build_dir.path
+        assert temp_build_dir_path is not None
+        legacy_resolver = False
+
+        resolver_variant = cls.determine_resolver_variant(options)
+        if resolver_variant == "resolvelib":
+            lazy_wheel = "fast-deps" in options.features_enabled
+            if lazy_wheel:
+                logger.warning(
+                    "pip is using lazily downloaded wheels using HTTP "
+                    "range requests to obtain dependency information. "
+                    "This experimental feature is enabled through "
+                    "--use-feature=fast-deps and it is not ready for "
+                    "production."
+                )
+        else:
+            legacy_resolver = True
+            lazy_wheel = False
+            if "fast-deps" in options.features_enabled:
+                logger.warning(
+                    "fast-deps has no effect when used with the legacy resolver."
+                )
+
+        return RequirementPreparer(
+            build_dir=temp_build_dir_path,
+            src_dir=options.src_dir,
+            download_dir=download_dir,
+            build_isolation=options.build_isolation,
+            check_build_deps=options.check_build_deps,
+            build_tracker=build_tracker,
+            session=session,
+            progress_bar=options.progress_bar,
+            finder=finder,
+            require_hashes=options.require_hashes,
+            use_user_site=use_user_site,
+            lazy_wheel=lazy_wheel,
+            verbosity=verbosity,
+            legacy_resolver=legacy_resolver,
+        )
+
+    @classmethod
+    def make_resolver(
+        cls,
+        preparer: RequirementPreparer,
+        finder: PackageFinder,
+        options: Values,
+        wheel_cache: Optional[WheelCache] = None,
+        use_user_site: bool = False,
+        ignore_installed: bool = True,
+        ignore_requires_python: bool = False,
+        force_reinstall: bool = False,
+        upgrade_strategy: str = "to-satisfy-only",
+        use_pep517: Optional[bool] = None,
+        py_version_info: Optional[Tuple[int, ...]] = None,
+    ) -> BaseResolver:
+        """
+        Create a Resolver instance for the given parameters.
+        """
+        make_install_req = partial(
+            install_req_from_req_string,
+            isolated=options.isolated_mode,
+            use_pep517=use_pep517,
+        )
+        resolver_variant = cls.determine_resolver_variant(options)
+        # The long import name and duplicated invocation is needed to convince
+        # Mypy into correctly typechecking. Otherwise it would complain the
+        # "Resolver" class being redefined.
+        if resolver_variant == "resolvelib":
+            import pip._internal.resolution.resolvelib.resolver
+
+            return pip._internal.resolution.resolvelib.resolver.Resolver(
+                preparer=preparer,
+                finder=finder,
+                wheel_cache=wheel_cache,
+                make_install_req=make_install_req,
+                use_user_site=use_user_site,
+                ignore_dependencies=options.ignore_dependencies,
+                ignore_installed=ignore_installed,
+                ignore_requires_python=ignore_requires_python,
+                force_reinstall=force_reinstall,
+                upgrade_strategy=upgrade_strategy,
+                py_version_info=py_version_info,
+            )
+        import pip._internal.resolution.legacy.resolver
+
+        return pip._internal.resolution.legacy.resolver.Resolver(
+            preparer=preparer,
+            finder=finder,
+            wheel_cache=wheel_cache,
+            make_install_req=make_install_req,
+            use_user_site=use_user_site,
+            ignore_dependencies=options.ignore_dependencies,
+            ignore_installed=ignore_installed,
+            ignore_requires_python=ignore_requires_python,
+            force_reinstall=force_reinstall,
+            upgrade_strategy=upgrade_strategy,
+            py_version_info=py_version_info,
+        )
+
+    def get_requirements(
+        self,
+        args: List[str],
+        options: Values,
+        finder: PackageFinder,
+        session: PipSession,
+    ) -> List[InstallRequirement]:
+        """
+        Parse command-line arguments into the corresponding requirements.
+        """
+        requirements: List[InstallRequirement] = []
+        for filename in options.constraints:
+            for parsed_req in parse_requirements(
+                filename,
+                constraint=True,
+                finder=finder,
+                options=options,
+                session=session,
+            ):
+                req_to_add = install_req_from_parsed_requirement(
+                    parsed_req,
+                    isolated=options.isolated_mode,
+                    user_supplied=False,
+                )
+                requirements.append(req_to_add)
+
+        for req in args:
+            req_to_add = install_req_from_line(
+                req,
+                comes_from=None,
+                isolated=options.isolated_mode,
+                use_pep517=options.use_pep517,
+                user_supplied=True,
+                config_settings=getattr(options, "config_settings", None),
+            )
+            requirements.append(req_to_add)
+
+        for req in options.editables:
+            req_to_add = install_req_from_editable(
+                req,
+                user_supplied=True,
+                isolated=options.isolated_mode,
+                use_pep517=options.use_pep517,
+                config_settings=getattr(options, "config_settings", None),
+            )
+            requirements.append(req_to_add)
+
+        # NOTE: options.require_hashes may be set if --require-hashes is True
+        for filename in options.requirements:
+            for parsed_req in parse_requirements(
+                filename, finder=finder, options=options, session=session
+            ):
+                req_to_add = install_req_from_parsed_requirement(
+                    parsed_req,
+                    isolated=options.isolated_mode,
+                    use_pep517=options.use_pep517,
+                    user_supplied=True,
+                    config_settings=parsed_req.options.get("config_settings")
+                    if parsed_req.options
+                    else None,
+                )
+                requirements.append(req_to_add)
+
+        # If any requirement has hash options, enable hash checking.
+        if any(req.has_hash_options for req in requirements):
+            options.require_hashes = True
+
+        if not (args or options.editables or options.requirements):
+            opts = {"name": self.name}
+            if options.find_links:
+                raise CommandError(
+                    "You must give at least one requirement to {name} "
+                    '(maybe you meant "pip {name} {links}"?)'.format(
+                        **dict(opts, links=" ".join(options.find_links))
+                    )
+                )
+            else:
+                raise CommandError(
+                    "You must give at least one requirement to {name} "
+                    '(see "pip help {name}")'.format(**opts)
+                )
+
+        return requirements
+
+    @staticmethod
+    def trace_basic_info(finder: PackageFinder) -> None:
+        """
+        Trace basic information about the provided objects.
+        """
+        # Display where finder is looking for packages
+        search_scope = finder.search_scope
+        locations = search_scope.get_formatted_locations()
+        if locations:
+            logger.info(locations)
+
+    def _build_package_finder(
+        self,
+        options: Values,
+        session: PipSession,
+        target_python: Optional[TargetPython] = None,
+        ignore_requires_python: Optional[bool] = None,
+    ) -> PackageFinder:
+        """
+        Create a package finder appropriate to this requirement command.
+
+        :param ignore_requires_python: Whether to ignore incompatible
+            "Requires-Python" values in links. Defaults to False.
+        """
+        link_collector = LinkCollector.create(session, options=options)
+        selection_prefs = SelectionPreferences(
+            allow_yanked=True,
+            format_control=options.format_control,
+            allow_all_prereleases=options.pre,
+            prefer_binary=options.prefer_binary,
+            ignore_requires_python=ignore_requires_python,
+        )
+
+        return PackageFinder.create(
+            link_collector=link_collector,
+            selection_prefs=selection_prefs,
+            target_python=target_python,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/spinners.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/spinners.py
new file mode 100644
index 00000000..cf2b976f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/spinners.py
@@ -0,0 +1,159 @@
+import contextlib
+import itertools
+import logging
+import sys
+import time
+from typing import IO, Generator, Optional
+
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.logging import get_indentation
+
+logger = logging.getLogger(__name__)
+
+
+class SpinnerInterface:
+    def spin(self) -> None:
+        raise NotImplementedError()
+
+    def finish(self, final_status: str) -> None:
+        raise NotImplementedError()
+
+
+class InteractiveSpinner(SpinnerInterface):
+    def __init__(
+        self,
+        message: str,
+        file: Optional[IO[str]] = None,
+        spin_chars: str = "-\\|/",
+        # Empirically, 8 updates/second looks nice
+        min_update_interval_seconds: float = 0.125,
+    ):
+        self._message = message
+        if file is None:
+            file = sys.stdout
+        self._file = file
+        self._rate_limiter = RateLimiter(min_update_interval_seconds)
+        self._finished = False
+
+        self._spin_cycle = itertools.cycle(spin_chars)
+
+        self._file.write(" " * get_indentation() + self._message + " ... ")
+        self._width = 0
+
+    def _write(self, status: str) -> None:
+        assert not self._finished
+        # Erase what we wrote before by backspacing to the beginning, writing
+        # spaces to overwrite the old text, and then backspacing again
+        backup = "\b" * self._width
+        self._file.write(backup + " " * self._width + backup)
+        # Now we have a blank slate to add our status
+        self._file.write(status)
+        self._width = len(status)
+        self._file.flush()
+        self._rate_limiter.reset()
+
+    def spin(self) -> None:
+        if self._finished:
+            return
+        if not self._rate_limiter.ready():
+            return
+        self._write(next(self._spin_cycle))
+
+    def finish(self, final_status: str) -> None:
+        if self._finished:
+            return
+        self._write(final_status)
+        self._file.write("\n")
+        self._file.flush()
+        self._finished = True
+
+
+# Used for dumb terminals, non-interactive installs (no tty), etc.
+# We still print updates occasionally (once every 60 seconds by default) to
+# act as a keep-alive for systems like Travis-CI that take lack-of-output as
+# an indication that a task has frozen.
+class NonInteractiveSpinner(SpinnerInterface):
+    def __init__(self, message: str, min_update_interval_seconds: float = 60.0) -> None:
+        self._message = message
+        self._finished = False
+        self._rate_limiter = RateLimiter(min_update_interval_seconds)
+        self._update("started")
+
+    def _update(self, status: str) -> None:
+        assert not self._finished
+        self._rate_limiter.reset()
+        logger.info("%s: %s", self._message, status)
+
+    def spin(self) -> None:
+        if self._finished:
+            return
+        if not self._rate_limiter.ready():
+            return
+        self._update("still running...")
+
+    def finish(self, final_status: str) -> None:
+        if self._finished:
+            return
+        self._update(f"finished with status '{final_status}'")
+        self._finished = True
+
+
+class RateLimiter:
+    def __init__(self, min_update_interval_seconds: float) -> None:
+        self._min_update_interval_seconds = min_update_interval_seconds
+        self._last_update: float = 0
+
+    def ready(self) -> bool:
+        now = time.time()
+        delta = now - self._last_update
+        return delta >= self._min_update_interval_seconds
+
+    def reset(self) -> None:
+        self._last_update = time.time()
+
+
+@contextlib.contextmanager
+def open_spinner(message: str) -> Generator[SpinnerInterface, None, None]:
+    # Interactive spinner goes directly to sys.stdout rather than being routed
+    # through the logging system, but it acts like it has level INFO,
+    # i.e. it's only displayed if we're at level INFO or better.
+    # Non-interactive spinner goes through the logging system, so it is always
+    # in sync with logging configuration.
+    if sys.stdout.isatty() and logger.getEffectiveLevel() <= logging.INFO:
+        spinner: SpinnerInterface = InteractiveSpinner(message)
+    else:
+        spinner = NonInteractiveSpinner(message)
+    try:
+        with hidden_cursor(sys.stdout):
+            yield spinner
+    except KeyboardInterrupt:
+        spinner.finish("canceled")
+        raise
+    except Exception:
+        spinner.finish("error")
+        raise
+    else:
+        spinner.finish("done")
+
+
+HIDE_CURSOR = "\x1b[?25l"
+SHOW_CURSOR = "\x1b[?25h"
+
+
+@contextlib.contextmanager
+def hidden_cursor(file: IO[str]) -> Generator[None, None, None]:
+    # The Windows terminal does not support the hide/show cursor ANSI codes,
+    # even via colorama. So don't even try.
+    if WINDOWS:
+        yield
+    # We don't want to clutter the output with control characters if we're
+    # writing to a file, or if the user is running with --quiet.
+    # See https://github.com/pypa/pip/issues/3418
+    elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
+        yield
+    else:
+        file.write(HIDE_CURSOR)
+        try:
+            yield
+        finally:
+            file.write(SHOW_CURSOR)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/status_codes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/status_codes.py
new file mode 100644
index 00000000..5e29502c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/cli/status_codes.py
@@ -0,0 +1,6 @@
+SUCCESS = 0
+ERROR = 1
+UNKNOWN_ERROR = 2
+VIRTUALENV_NOT_FOUND = 3
+PREVIOUS_BUILD_DIR_ERROR = 4
+NO_MATCHES_FOUND = 23
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/__init__.py
new file mode 100644
index 00000000..858a4101
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/__init__.py
@@ -0,0 +1,132 @@
+"""
+Package containing all pip commands
+"""
+
+import importlib
+from collections import namedtuple
+from typing import Any, Dict, Optional
+
+from pip._internal.cli.base_command import Command
+
+CommandInfo = namedtuple("CommandInfo", "module_path, class_name, summary")
+
+# This dictionary does a bunch of heavy lifting for help output:
+# - Enables avoiding additional (costly) imports for presenting `--help`.
+# - The ordering matters for help display.
+#
+# Even though the module path starts with the same "pip._internal.commands"
+# prefix, the full path makes testing easier (specifically when modifying
+# `commands_dict` in test setup / teardown).
+commands_dict: Dict[str, CommandInfo] = {
+    "install": CommandInfo(
+        "pip._internal.commands.install",
+        "InstallCommand",
+        "Install packages.",
+    ),
+    "download": CommandInfo(
+        "pip._internal.commands.download",
+        "DownloadCommand",
+        "Download packages.",
+    ),
+    "uninstall": CommandInfo(
+        "pip._internal.commands.uninstall",
+        "UninstallCommand",
+        "Uninstall packages.",
+    ),
+    "freeze": CommandInfo(
+        "pip._internal.commands.freeze",
+        "FreezeCommand",
+        "Output installed packages in requirements format.",
+    ),
+    "inspect": CommandInfo(
+        "pip._internal.commands.inspect",
+        "InspectCommand",
+        "Inspect the python environment.",
+    ),
+    "list": CommandInfo(
+        "pip._internal.commands.list",
+        "ListCommand",
+        "List installed packages.",
+    ),
+    "show": CommandInfo(
+        "pip._internal.commands.show",
+        "ShowCommand",
+        "Show information about installed packages.",
+    ),
+    "check": CommandInfo(
+        "pip._internal.commands.check",
+        "CheckCommand",
+        "Verify installed packages have compatible dependencies.",
+    ),
+    "config": CommandInfo(
+        "pip._internal.commands.configuration",
+        "ConfigurationCommand",
+        "Manage local and global configuration.",
+    ),
+    "search": CommandInfo(
+        "pip._internal.commands.search",
+        "SearchCommand",
+        "Search PyPI for packages.",
+    ),
+    "cache": CommandInfo(
+        "pip._internal.commands.cache",
+        "CacheCommand",
+        "Inspect and manage pip's wheel cache.",
+    ),
+    "index": CommandInfo(
+        "pip._internal.commands.index",
+        "IndexCommand",
+        "Inspect information available from package indexes.",
+    ),
+    "wheel": CommandInfo(
+        "pip._internal.commands.wheel",
+        "WheelCommand",
+        "Build wheels from your requirements.",
+    ),
+    "hash": CommandInfo(
+        "pip._internal.commands.hash",
+        "HashCommand",
+        "Compute hashes of package archives.",
+    ),
+    "completion": CommandInfo(
+        "pip._internal.commands.completion",
+        "CompletionCommand",
+        "A helper command used for command completion.",
+    ),
+    "debug": CommandInfo(
+        "pip._internal.commands.debug",
+        "DebugCommand",
+        "Show information useful for debugging.",
+    ),
+    "help": CommandInfo(
+        "pip._internal.commands.help",
+        "HelpCommand",
+        "Show help for commands.",
+    ),
+}
+
+
+def create_command(name: str, **kwargs: Any) -> Command:
+    """
+    Create an instance of the Command class with the given name.
+    """
+    module_path, class_name, summary = commands_dict[name]
+    module = importlib.import_module(module_path)
+    command_class = getattr(module, class_name)
+    command = command_class(name=name, summary=summary, **kwargs)
+
+    return command
+
+
+def get_similar_commands(name: str) -> Optional[str]:
+    """Command name auto-correct."""
+    from difflib import get_close_matches
+
+    name = name.lower()
+
+    close_commands = get_close_matches(name, commands_dict.keys())
+
+    if close_commands:
+        return close_commands[0]
+    else:
+        return None
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/cache.py
new file mode 100644
index 00000000..32833615
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/cache.py
@@ -0,0 +1,225 @@
+import os
+import textwrap
+from optparse import Values
+from typing import Any, List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.exceptions import CommandError, PipError
+from pip._internal.utils import filesystem
+from pip._internal.utils.logging import getLogger
+
+logger = getLogger(__name__)
+
+
+class CacheCommand(Command):
+    """
+    Inspect and manage pip's wheel cache.
+
+    Subcommands:
+
+    - dir: Show the cache directory.
+    - info: Show information about the cache.
+    - list: List filenames of packages stored in the cache.
+    - remove: Remove one or more package from the cache.
+    - purge: Remove all items from the cache.
+
+    ``<pattern>`` can be a glob expression or a package name.
+    """
+
+    ignore_require_venv = True
+    usage = """
+        %prog dir
+        %prog info
+        %prog list [<pattern>] [--format=[human, abspath]]
+        %prog remove <pattern>
+        %prog purge
+    """
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "--format",
+            action="store",
+            dest="list_format",
+            default="human",
+            choices=("human", "abspath"),
+            help="Select the output format among: human (default) or abspath",
+        )
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        handlers = {
+            "dir": self.get_cache_dir,
+            "info": self.get_cache_info,
+            "list": self.list_cache_items,
+            "remove": self.remove_cache_items,
+            "purge": self.purge_cache,
+        }
+
+        if not options.cache_dir:
+            logger.error("pip cache commands can not function since cache is disabled.")
+            return ERROR
+
+        # Determine action
+        if not args or args[0] not in handlers:
+            logger.error(
+                "Need an action (%s) to perform.",
+                ", ".join(sorted(handlers)),
+            )
+            return ERROR
+
+        action = args[0]
+
+        # Error handling happens here, not in the action-handlers.
+        try:
+            handlers[action](options, args[1:])
+        except PipError as e:
+            logger.error(e.args[0])
+            return ERROR
+
+        return SUCCESS
+
+    def get_cache_dir(self, options: Values, args: List[Any]) -> None:
+        if args:
+            raise CommandError("Too many arguments")
+
+        logger.info(options.cache_dir)
+
+    def get_cache_info(self, options: Values, args: List[Any]) -> None:
+        if args:
+            raise CommandError("Too many arguments")
+
+        num_http_files = len(self._find_http_files(options))
+        num_packages = len(self._find_wheels(options, "*"))
+
+        http_cache_location = self._cache_dir(options, "http-v2")
+        old_http_cache_location = self._cache_dir(options, "http")
+        wheels_cache_location = self._cache_dir(options, "wheels")
+        http_cache_size = filesystem.format_size(
+            filesystem.directory_size(http_cache_location)
+            + filesystem.directory_size(old_http_cache_location)
+        )
+        wheels_cache_size = filesystem.format_directory_size(wheels_cache_location)
+
+        message = (
+            textwrap.dedent(
+                """
+                    Package index page cache location (pip v23.3+): {http_cache_location}
+                    Package index page cache location (older pips): {old_http_cache_location}
+                    Package index page cache size: {http_cache_size}
+                    Number of HTTP files: {num_http_files}
+                    Locally built wheels location: {wheels_cache_location}
+                    Locally built wheels size: {wheels_cache_size}
+                    Number of locally built wheels: {package_count}
+                """  # noqa: E501
+            )
+            .format(
+                http_cache_location=http_cache_location,
+                old_http_cache_location=old_http_cache_location,
+                http_cache_size=http_cache_size,
+                num_http_files=num_http_files,
+                wheels_cache_location=wheels_cache_location,
+                package_count=num_packages,
+                wheels_cache_size=wheels_cache_size,
+            )
+            .strip()
+        )
+
+        logger.info(message)
+
+    def list_cache_items(self, options: Values, args: List[Any]) -> None:
+        if len(args) > 1:
+            raise CommandError("Too many arguments")
+
+        if args:
+            pattern = args[0]
+        else:
+            pattern = "*"
+
+        files = self._find_wheels(options, pattern)
+        if options.list_format == "human":
+            self.format_for_human(files)
+        else:
+            self.format_for_abspath(files)
+
+    def format_for_human(self, files: List[str]) -> None:
+        if not files:
+            logger.info("No locally built wheels cached.")
+            return
+
+        results = []
+        for filename in files:
+            wheel = os.path.basename(filename)
+            size = filesystem.format_file_size(filename)
+            results.append(f" - {wheel} ({size})")
+        logger.info("Cache contents:\n")
+        logger.info("\n".join(sorted(results)))
+
+    def format_for_abspath(self, files: List[str]) -> None:
+        if files:
+            logger.info("\n".join(sorted(files)))
+
+    def remove_cache_items(self, options: Values, args: List[Any]) -> None:
+        if len(args) > 1:
+            raise CommandError("Too many arguments")
+
+        if not args:
+            raise CommandError("Please provide a pattern")
+
+        files = self._find_wheels(options, args[0])
+
+        no_matching_msg = "No matching packages"
+        if args[0] == "*":
+            # Only fetch http files if no specific pattern given
+            files += self._find_http_files(options)
+        else:
+            # Add the pattern to the log message
+            no_matching_msg += f' for pattern "{args[0]}"'
+
+        if not files:
+            logger.warning(no_matching_msg)
+
+        for filename in files:
+            os.unlink(filename)
+            logger.verbose("Removed %s", filename)
+        logger.info("Files removed: %s", len(files))
+
+    def purge_cache(self, options: Values, args: List[Any]) -> None:
+        if args:
+            raise CommandError("Too many arguments")
+
+        return self.remove_cache_items(options, ["*"])
+
+    def _cache_dir(self, options: Values, subdir: str) -> str:
+        return os.path.join(options.cache_dir, subdir)
+
+    def _find_http_files(self, options: Values) -> List[str]:
+        old_http_dir = self._cache_dir(options, "http")
+        new_http_dir = self._cache_dir(options, "http-v2")
+        return filesystem.find_files(old_http_dir, "*") + filesystem.find_files(
+            new_http_dir, "*"
+        )
+
+    def _find_wheels(self, options: Values, pattern: str) -> List[str]:
+        wheel_dir = self._cache_dir(options, "wheels")
+
+        # The wheel filename format, as specified in PEP 427, is:
+        #     {distribution}-{version}(-{build})?-{python}-{abi}-{platform}.whl
+        #
+        # Additionally, non-alphanumeric values in the distribution are
+        # normalized to underscores (_), meaning hyphens can never occur
+        # before `-{version}`.
+        #
+        # Given that information:
+        # - If the pattern we're given contains a hyphen (-), the user is
+        #   providing at least the version. Thus, we can just append `*.whl`
+        #   to match the rest of it.
+        # - If the pattern we're given doesn't contain a hyphen (-), the
+        #   user is only providing the name. Thus, we append `-*.whl` to
+        #   match the hyphen before the version, followed by anything else.
+        #
+        # PEP 427: https://www.python.org/dev/peps/pep-0427/
+        pattern = pattern + ("*.whl" if "-" in pattern else "-*.whl")
+
+        return filesystem.find_files(wheel_dir, pattern)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/check.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/check.py
new file mode 100644
index 00000000..5efd0a34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/check.py
@@ -0,0 +1,54 @@
+import logging
+from optparse import Values
+from typing import List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.operations.check import (
+    check_package_set,
+    create_package_set_from_installed,
+    warn_legacy_versions_and_specifiers,
+)
+from pip._internal.utils.misc import write_output
+
+logger = logging.getLogger(__name__)
+
+
+class CheckCommand(Command):
+    """Verify installed packages have compatible dependencies."""
+
+    usage = """
+      %prog [options]"""
+
+    def run(self, options: Values, args: List[str]) -> int:
+        package_set, parsing_probs = create_package_set_from_installed()
+        warn_legacy_versions_and_specifiers(package_set)
+        missing, conflicting = check_package_set(package_set)
+
+        for project_name in missing:
+            version = package_set[project_name].version
+            for dependency in missing[project_name]:
+                write_output(
+                    "%s %s requires %s, which is not installed.",
+                    project_name,
+                    version,
+                    dependency[0],
+                )
+
+        for project_name in conflicting:
+            version = package_set[project_name].version
+            for dep_name, dep_version, req in conflicting[project_name]:
+                write_output(
+                    "%s %s has requirement %s, but you have %s %s.",
+                    project_name,
+                    version,
+                    req,
+                    dep_name,
+                    dep_version,
+                )
+
+        if missing or conflicting or parsing_probs:
+            return ERROR
+        else:
+            write_output("No broken requirements found.")
+            return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/completion.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/completion.py
new file mode 100644
index 00000000..9e89e279
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/completion.py
@@ -0,0 +1,130 @@
+import sys
+import textwrap
+from optparse import Values
+from typing import List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.utils.misc import get_prog
+
+BASE_COMPLETION = """
+# pip {shell} completion start{script}# pip {shell} completion end
+"""
+
+COMPLETION_SCRIPTS = {
+    "bash": """
+        _pip_completion()
+        {{
+            COMPREPLY=( $( COMP_WORDS="${{COMP_WORDS[*]}}" \\
+                           COMP_CWORD=$COMP_CWORD \\
+                           PIP_AUTO_COMPLETE=1 $1 2>/dev/null ) )
+        }}
+        complete -o default -F _pip_completion {prog}
+    """,
+    "zsh": """
+        #compdef -P pip[0-9.]#
+        __pip() {{
+          compadd $( COMP_WORDS="$words[*]" \\
+                     COMP_CWORD=$((CURRENT-1)) \\
+                     PIP_AUTO_COMPLETE=1 $words[1] 2>/dev/null )
+        }}
+        if [[ $zsh_eval_context[-1] == loadautofunc ]]; then
+          # autoload from fpath, call function directly
+          __pip "$@"
+        else
+          # eval/source/. command, register function for later
+          compdef __pip -P 'pip[0-9.]#'
+        fi
+    """,
+    "fish": """
+        function __fish_complete_pip
+            set -lx COMP_WORDS (commandline -o) ""
+            set -lx COMP_CWORD ( \\
+                math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\
+            )
+            set -lx PIP_AUTO_COMPLETE 1
+            string split \\  -- (eval $COMP_WORDS[1])
+        end
+        complete -fa "(__fish_complete_pip)" -c {prog}
+    """,
+    "powershell": """
+        if ((Test-Path Function:\\TabExpansion) -and -not `
+            (Test-Path Function:\\_pip_completeBackup)) {{
+            Rename-Item Function:\\TabExpansion _pip_completeBackup
+        }}
+        function TabExpansion($line, $lastWord) {{
+            $lastBlock = [regex]::Split($line, '[|;]')[-1].TrimStart()
+            if ($lastBlock.StartsWith("{prog} ")) {{
+                $Env:COMP_WORDS=$lastBlock
+                $Env:COMP_CWORD=$lastBlock.Split().Length - 1
+                $Env:PIP_AUTO_COMPLETE=1
+                (& {prog}).Split()
+                Remove-Item Env:COMP_WORDS
+                Remove-Item Env:COMP_CWORD
+                Remove-Item Env:PIP_AUTO_COMPLETE
+            }}
+            elseif (Test-Path Function:\\_pip_completeBackup) {{
+                # Fall back on existing tab expansion
+                _pip_completeBackup $line $lastWord
+            }}
+        }}
+    """,
+}
+
+
+class CompletionCommand(Command):
+    """A helper command to be used for command completion."""
+
+    ignore_require_venv = True
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "--bash",
+            "-b",
+            action="store_const",
+            const="bash",
+            dest="shell",
+            help="Emit completion code for bash",
+        )
+        self.cmd_opts.add_option(
+            "--zsh",
+            "-z",
+            action="store_const",
+            const="zsh",
+            dest="shell",
+            help="Emit completion code for zsh",
+        )
+        self.cmd_opts.add_option(
+            "--fish",
+            "-f",
+            action="store_const",
+            const="fish",
+            dest="shell",
+            help="Emit completion code for fish",
+        )
+        self.cmd_opts.add_option(
+            "--powershell",
+            "-p",
+            action="store_const",
+            const="powershell",
+            dest="shell",
+            help="Emit completion code for powershell",
+        )
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        """Prints the completion code of the given shell"""
+        shells = COMPLETION_SCRIPTS.keys()
+        shell_options = ["--" + shell for shell in sorted(shells)]
+        if options.shell in shells:
+            script = textwrap.dedent(
+                COMPLETION_SCRIPTS.get(options.shell, "").format(prog=get_prog())
+            )
+            print(BASE_COMPLETION.format(script=script, shell=options.shell))
+            return SUCCESS
+        else:
+            sys.stderr.write(
+                "ERROR: You must pass {}\n".format(" or ".join(shell_options))
+            )
+            return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/configuration.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/configuration.py
new file mode 100644
index 00000000..1a1dc6b6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/configuration.py
@@ -0,0 +1,280 @@
+import logging
+import os
+import subprocess
+from optparse import Values
+from typing import Any, List, Optional
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.configuration import (
+    Configuration,
+    Kind,
+    get_configuration_files,
+    kinds,
+)
+from pip._internal.exceptions import PipError
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import get_prog, write_output
+
+logger = logging.getLogger(__name__)
+
+
+class ConfigurationCommand(Command):
+    """
+    Manage local and global configuration.
+
+    Subcommands:
+
+    - list: List the active configuration (or from the file specified)
+    - edit: Edit the configuration file in an editor
+    - get: Get the value associated with command.option
+    - set: Set the command.option=value
+    - unset: Unset the value associated with command.option
+    - debug: List the configuration files and values defined under them
+
+    Configuration keys should be dot separated command and option name,
+    with the special prefix "global" affecting any command. For example,
+    "pip config set global.index-url https://example.org/" would configure
+    the index url for all commands, but "pip config set download.timeout 10"
+    would configure a 10 second timeout only for "pip download" commands.
+
+    If none of --user, --global and --site are passed, a virtual
+    environment configuration file is used if one is active and the file
+    exists. Otherwise, all modifications happen to the user file by
+    default.
+    """
+
+    ignore_require_venv = True
+    usage = """
+        %prog [<file-option>] list
+        %prog [<file-option>] [--editor <editor-path>] edit
+
+        %prog [<file-option>] get command.option
+        %prog [<file-option>] set command.option value
+        %prog [<file-option>] unset command.option
+        %prog [<file-option>] debug
+    """
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "--editor",
+            dest="editor",
+            action="store",
+            default=None,
+            help=(
+                "Editor to use to edit the file. Uses VISUAL or EDITOR "
+                "environment variables if not provided."
+            ),
+        )
+
+        self.cmd_opts.add_option(
+            "--global",
+            dest="global_file",
+            action="store_true",
+            default=False,
+            help="Use the system-wide configuration file only",
+        )
+
+        self.cmd_opts.add_option(
+            "--user",
+            dest="user_file",
+            action="store_true",
+            default=False,
+            help="Use the user configuration file only",
+        )
+
+        self.cmd_opts.add_option(
+            "--site",
+            dest="site_file",
+            action="store_true",
+            default=False,
+            help="Use the current environment configuration file only",
+        )
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        handlers = {
+            "list": self.list_values,
+            "edit": self.open_in_editor,
+            "get": self.get_name,
+            "set": self.set_name_value,
+            "unset": self.unset_name,
+            "debug": self.list_config_values,
+        }
+
+        # Determine action
+        if not args or args[0] not in handlers:
+            logger.error(
+                "Need an action (%s) to perform.",
+                ", ".join(sorted(handlers)),
+            )
+            return ERROR
+
+        action = args[0]
+
+        # Determine which configuration files are to be loaded
+        #    Depends on whether the command is modifying.
+        try:
+            load_only = self._determine_file(
+                options, need_value=(action in ["get", "set", "unset", "edit"])
+            )
+        except PipError as e:
+            logger.error(e.args[0])
+            return ERROR
+
+        # Load a new configuration
+        self.configuration = Configuration(
+            isolated=options.isolated_mode, load_only=load_only
+        )
+        self.configuration.load()
+
+        # Error handling happens here, not in the action-handlers.
+        try:
+            handlers[action](options, args[1:])
+        except PipError as e:
+            logger.error(e.args[0])
+            return ERROR
+
+        return SUCCESS
+
+    def _determine_file(self, options: Values, need_value: bool) -> Optional[Kind]:
+        file_options = [
+            key
+            for key, value in (
+                (kinds.USER, options.user_file),
+                (kinds.GLOBAL, options.global_file),
+                (kinds.SITE, options.site_file),
+            )
+            if value
+        ]
+
+        if not file_options:
+            if not need_value:
+                return None
+            # Default to user, unless there's a site file.
+            elif any(
+                os.path.exists(site_config_file)
+                for site_config_file in get_configuration_files()[kinds.SITE]
+            ):
+                return kinds.SITE
+            else:
+                return kinds.USER
+        elif len(file_options) == 1:
+            return file_options[0]
+
+        raise PipError(
+            "Need exactly one file to operate upon "
+            "(--user, --site, --global) to perform."
+        )
+
+    def list_values(self, options: Values, args: List[str]) -> None:
+        self._get_n_args(args, "list", n=0)
+
+        for key, value in sorted(self.configuration.items()):
+            write_output("%s=%r", key, value)
+
+    def get_name(self, options: Values, args: List[str]) -> None:
+        key = self._get_n_args(args, "get [name]", n=1)
+        value = self.configuration.get_value(key)
+
+        write_output("%s", value)
+
+    def set_name_value(self, options: Values, args: List[str]) -> None:
+        key, value = self._get_n_args(args, "set [name] [value]", n=2)
+        self.configuration.set_value(key, value)
+
+        self._save_configuration()
+
+    def unset_name(self, options: Values, args: List[str]) -> None:
+        key = self._get_n_args(args, "unset [name]", n=1)
+        self.configuration.unset_value(key)
+
+        self._save_configuration()
+
+    def list_config_values(self, options: Values, args: List[str]) -> None:
+        """List config key-value pairs across different config files"""
+        self._get_n_args(args, "debug", n=0)
+
+        self.print_env_var_values()
+        # Iterate over config files and print if they exist, and the
+        # key-value pairs present in them if they do
+        for variant, files in sorted(self.configuration.iter_config_files()):
+            write_output("%s:", variant)
+            for fname in files:
+                with indent_log():
+                    file_exists = os.path.exists(fname)
+                    write_output("%s, exists: %r", fname, file_exists)
+                    if file_exists:
+                        self.print_config_file_values(variant)
+
+    def print_config_file_values(self, variant: Kind) -> None:
+        """Get key-value pairs from the file of a variant"""
+        for name, value in self.configuration.get_values_in_config(variant).items():
+            with indent_log():
+                write_output("%s: %s", name, value)
+
+    def print_env_var_values(self) -> None:
+        """Get key-values pairs present as environment variables"""
+        write_output("%s:", "env_var")
+        with indent_log():
+            for key, value in sorted(self.configuration.get_environ_vars()):
+                env_var = f"PIP_{key.upper()}"
+                write_output("%s=%r", env_var, value)
+
+    def open_in_editor(self, options: Values, args: List[str]) -> None:
+        editor = self._determine_editor(options)
+
+        fname = self.configuration.get_file_to_edit()
+        if fname is None:
+            raise PipError("Could not determine appropriate file.")
+        elif '"' in fname:
+            # This shouldn't happen, unless we see a username like that.
+            # If that happens, we'd appreciate a pull request fixing this.
+            raise PipError(
+                f'Can not open an editor for a file name containing "\n{fname}'
+            )
+
+        try:
+            subprocess.check_call(f'{editor} "{fname}"', shell=True)
+        except FileNotFoundError as e:
+            if not e.filename:
+                e.filename = editor
+            raise
+        except subprocess.CalledProcessError as e:
+            raise PipError(f"Editor Subprocess exited with exit code {e.returncode}")
+
+    def _get_n_args(self, args: List[str], example: str, n: int) -> Any:
+        """Helper to make sure the command got the right number of arguments"""
+        if len(args) != n:
+            msg = (
+                f"Got unexpected number of arguments, expected {n}. "
+                f'(example: "{get_prog()} config {example}")'
+            )
+            raise PipError(msg)
+
+        if n == 1:
+            return args[0]
+        else:
+            return args
+
+    def _save_configuration(self) -> None:
+        # We successfully ran a modifying command. Need to save the
+        # configuration.
+        try:
+            self.configuration.save()
+        except Exception:
+            logger.exception(
+                "Unable to save configuration. Please report this as a bug."
+            )
+            raise PipError("Internal Error.")
+
+    def _determine_editor(self, options: Values) -> str:
+        if options.editor is not None:
+            return options.editor
+        elif "VISUAL" in os.environ:
+            return os.environ["VISUAL"]
+        elif "EDITOR" in os.environ:
+            return os.environ["EDITOR"]
+        else:
+            raise PipError("Could not determine editor to use.")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/debug.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/debug.py
new file mode 100644
index 00000000..7e5271c9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/debug.py
@@ -0,0 +1,201 @@
+import importlib.resources
+import locale
+import logging
+import os
+import sys
+from optparse import Values
+from types import ModuleType
+from typing import Any, Dict, List, Optional
+
+import pip._vendor
+from pip._vendor.certifi import where
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.configuration import Configuration
+from pip._internal.metadata import get_environment
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import get_pip_version
+
+logger = logging.getLogger(__name__)
+
+
+def show_value(name: str, value: Any) -> None:
+    logger.info("%s: %s", name, value)
+
+
+def show_sys_implementation() -> None:
+    logger.info("sys.implementation:")
+    implementation_name = sys.implementation.name
+    with indent_log():
+        show_value("name", implementation_name)
+
+
+def create_vendor_txt_map() -> Dict[str, str]:
+    with importlib.resources.open_text("pip._vendor", "vendor.txt") as f:
+        # Purge non version specifying lines.
+        # Also, remove any space prefix or suffixes (including comments).
+        lines = [
+            line.strip().split(" ", 1)[0] for line in f.readlines() if "==" in line
+        ]
+
+    # Transform into "module" -> version dict.
+    return dict(line.split("==", 1) for line in lines)
+
+
+def get_module_from_module_name(module_name: str) -> Optional[ModuleType]:
+    # Module name can be uppercase in vendor.txt for some reason...
+    module_name = module_name.lower().replace("-", "_")
+    # PATCH: setuptools is actually only pkg_resources.
+    if module_name == "setuptools":
+        module_name = "pkg_resources"
+
+    try:
+        __import__(f"pip._vendor.{module_name}", globals(), locals(), level=0)
+        return getattr(pip._vendor, module_name)
+    except ImportError:
+        # We allow 'truststore' to fail to import due
+        # to being unavailable on Python 3.9 and earlier.
+        if module_name == "truststore" and sys.version_info < (3, 10):
+            return None
+        raise
+
+
+def get_vendor_version_from_module(module_name: str) -> Optional[str]:
+    module = get_module_from_module_name(module_name)
+    version = getattr(module, "__version__", None)
+
+    if module and not version:
+        # Try to find version in debundled module info.
+        assert module.__file__ is not None
+        env = get_environment([os.path.dirname(module.__file__)])
+        dist = env.get_distribution(module_name)
+        if dist:
+            version = str(dist.version)
+
+    return version
+
+
+def show_actual_vendor_versions(vendor_txt_versions: Dict[str, str]) -> None:
+    """Log the actual version and print extra info if there is
+    a conflict or if the actual version could not be imported.
+    """
+    for module_name, expected_version in vendor_txt_versions.items():
+        extra_message = ""
+        actual_version = get_vendor_version_from_module(module_name)
+        if not actual_version:
+            extra_message = (
+                " (Unable to locate actual module version, using"
+                " vendor.txt specified version)"
+            )
+            actual_version = expected_version
+        elif parse_version(actual_version) != parse_version(expected_version):
+            extra_message = (
+                " (CONFLICT: vendor.txt suggests version should"
+                f" be {expected_version})"
+            )
+        logger.info("%s==%s%s", module_name, actual_version, extra_message)
+
+
+def show_vendor_versions() -> None:
+    logger.info("vendored library versions:")
+
+    vendor_txt_versions = create_vendor_txt_map()
+    with indent_log():
+        show_actual_vendor_versions(vendor_txt_versions)
+
+
+def show_tags(options: Values) -> None:
+    tag_limit = 10
+
+    target_python = make_target_python(options)
+    tags = target_python.get_sorted_tags()
+
+    # Display the target options that were explicitly provided.
+    formatted_target = target_python.format_given()
+    suffix = ""
+    if formatted_target:
+        suffix = f" (target: {formatted_target})"
+
+    msg = f"Compatible tags: {len(tags)}{suffix}"
+    logger.info(msg)
+
+    if options.verbose < 1 and len(tags) > tag_limit:
+        tags_limited = True
+        tags = tags[:tag_limit]
+    else:
+        tags_limited = False
+
+    with indent_log():
+        for tag in tags:
+            logger.info(str(tag))
+
+        if tags_limited:
+            msg = f"...\n[First {tag_limit} tags shown. Pass --verbose to show all.]"
+            logger.info(msg)
+
+
+def ca_bundle_info(config: Configuration) -> str:
+    levels = {key.split(".", 1)[0] for key, _ in config.items()}
+    if not levels:
+        return "Not specified"
+
+    levels_that_override_global = ["install", "wheel", "download"]
+    global_overriding_level = [
+        level for level in levels if level in levels_that_override_global
+    ]
+    if not global_overriding_level:
+        return "global"
+
+    if "global" in levels:
+        levels.remove("global")
+    return ", ".join(levels)
+
+
+class DebugCommand(Command):
+    """
+    Display debug information.
+    """
+
+    usage = """
+      %prog <options>"""
+    ignore_require_venv = True
+
+    def add_options(self) -> None:
+        cmdoptions.add_target_python_options(self.cmd_opts)
+        self.parser.insert_option_group(0, self.cmd_opts)
+        self.parser.config.load()
+
+    def run(self, options: Values, args: List[str]) -> int:
+        logger.warning(
+            "This command is only meant for debugging. "
+            "Do not use this with automation for parsing and getting these "
+            "details, since the output and options of this command may "
+            "change without notice."
+        )
+        show_value("pip version", get_pip_version())
+        show_value("sys.version", sys.version)
+        show_value("sys.executable", sys.executable)
+        show_value("sys.getdefaultencoding", sys.getdefaultencoding())
+        show_value("sys.getfilesystemencoding", sys.getfilesystemencoding())
+        show_value(
+            "locale.getpreferredencoding",
+            locale.getpreferredencoding(),
+        )
+        show_value("sys.platform", sys.platform)
+        show_sys_implementation()
+
+        show_value("'cert' config value", ca_bundle_info(self.parser.config))
+        show_value("REQUESTS_CA_BUNDLE", os.environ.get("REQUESTS_CA_BUNDLE"))
+        show_value("CURL_CA_BUNDLE", os.environ.get("CURL_CA_BUNDLE"))
+        show_value("pip._vendor.certifi.where()", where())
+        show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED)
+
+        show_vendor_versions()
+
+        show_tags(options)
+
+        return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/download.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/download.py
new file mode 100644
index 00000000..54247a78
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/download.py
@@ -0,0 +1,147 @@
+import logging
+import os
+from optparse import Values
+from typing import List
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.req_command import RequirementCommand, with_cleanup
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.operations.build.build_tracker import get_build_tracker
+from pip._internal.req.req_install import check_legacy_setup_py_options
+from pip._internal.utils.misc import ensure_dir, normalize_path, write_output
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+class DownloadCommand(RequirementCommand):
+    """
+    Download packages from:
+
+    - PyPI (and other indexes) using requirement specifiers.
+    - VCS project urls.
+    - Local project directories.
+    - Local or remote source archives.
+
+    pip also supports downloading from "requirements files", which provide
+    an easy way to specify a whole environment to be downloaded.
+    """
+
+    usage = """
+      %prog [options] <requirement specifier> [package-index-options] ...
+      %prog [options] -r <requirements file> [package-index-options] ...
+      %prog [options] <vcs project url> ...
+      %prog [options] <local project path> ...
+      %prog [options] <archive url/path> ..."""
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(cmdoptions.constraints())
+        self.cmd_opts.add_option(cmdoptions.requirements())
+        self.cmd_opts.add_option(cmdoptions.no_deps())
+        self.cmd_opts.add_option(cmdoptions.global_options())
+        self.cmd_opts.add_option(cmdoptions.no_binary())
+        self.cmd_opts.add_option(cmdoptions.only_binary())
+        self.cmd_opts.add_option(cmdoptions.prefer_binary())
+        self.cmd_opts.add_option(cmdoptions.src())
+        self.cmd_opts.add_option(cmdoptions.pre())
+        self.cmd_opts.add_option(cmdoptions.require_hashes())
+        self.cmd_opts.add_option(cmdoptions.progress_bar())
+        self.cmd_opts.add_option(cmdoptions.no_build_isolation())
+        self.cmd_opts.add_option(cmdoptions.use_pep517())
+        self.cmd_opts.add_option(cmdoptions.no_use_pep517())
+        self.cmd_opts.add_option(cmdoptions.check_build_deps())
+        self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+
+        self.cmd_opts.add_option(
+            "-d",
+            "--dest",
+            "--destination-dir",
+            "--destination-directory",
+            dest="download_dir",
+            metavar="dir",
+            default=os.curdir,
+            help="Download packages into <dir>.",
+        )
+
+        cmdoptions.add_target_python_options(self.cmd_opts)
+
+        index_opts = cmdoptions.make_option_group(
+            cmdoptions.index_group,
+            self.parser,
+        )
+
+        self.parser.insert_option_group(0, index_opts)
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    @with_cleanup
+    def run(self, options: Values, args: List[str]) -> int:
+        options.ignore_installed = True
+        # editable doesn't really make sense for `pip download`, but the bowels
+        # of the RequirementSet code require that property.
+        options.editables = []
+
+        cmdoptions.check_dist_restriction(options)
+
+        options.download_dir = normalize_path(options.download_dir)
+        ensure_dir(options.download_dir)
+
+        session = self.get_default_session(options)
+
+        target_python = make_target_python(options)
+        finder = self._build_package_finder(
+            options=options,
+            session=session,
+            target_python=target_python,
+            ignore_requires_python=options.ignore_requires_python,
+        )
+
+        build_tracker = self.enter_context(get_build_tracker())
+
+        directory = TempDirectory(
+            delete=not options.no_clean,
+            kind="download",
+            globally_managed=True,
+        )
+
+        reqs = self.get_requirements(args, options, finder, session)
+        check_legacy_setup_py_options(options, reqs)
+
+        preparer = self.make_requirement_preparer(
+            temp_build_dir=directory,
+            options=options,
+            build_tracker=build_tracker,
+            session=session,
+            finder=finder,
+            download_dir=options.download_dir,
+            use_user_site=False,
+            verbosity=self.verbosity,
+        )
+
+        resolver = self.make_resolver(
+            preparer=preparer,
+            finder=finder,
+            options=options,
+            ignore_requires_python=options.ignore_requires_python,
+            use_pep517=options.use_pep517,
+            py_version_info=options.python_version,
+        )
+
+        self.trace_basic_info(finder)
+
+        requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
+
+        downloaded: List[str] = []
+        for req in requirement_set.requirements.values():
+            if req.satisfied_by is None:
+                assert req.name is not None
+                preparer.save_linked_requirement(req)
+                downloaded.append(req.name)
+
+        preparer.prepare_linked_requirements_more(requirement_set.requirements.values())
+        requirement_set.warn_legacy_versions_and_specifiers()
+
+        if downloaded:
+            write_output("Successfully downloaded %s", " ".join(downloaded))
+
+        return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/freeze.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/freeze.py
new file mode 100644
index 00000000..fd9d88a8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/freeze.py
@@ -0,0 +1,108 @@
+import sys
+from optparse import Values
+from typing import AbstractSet, List
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.operations.freeze import freeze
+from pip._internal.utils.compat import stdlib_pkgs
+
+
+def _should_suppress_build_backends() -> bool:
+    return sys.version_info < (3, 12)
+
+
+def _dev_pkgs() -> AbstractSet[str]:
+    pkgs = {"pip"}
+
+    if _should_suppress_build_backends():
+        pkgs |= {"setuptools", "distribute", "wheel"}
+
+    return pkgs
+
+
+class FreezeCommand(Command):
+    """
+    Output installed packages in requirements format.
+
+    packages are listed in a case-insensitive sorted order.
+    """
+
+    usage = """
+      %prog [options]"""
+    log_streams = ("ext://sys.stderr", "ext://sys.stderr")
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "-r",
+            "--requirement",
+            dest="requirements",
+            action="append",
+            default=[],
+            metavar="file",
+            help=(
+                "Use the order in the given requirements file and its "
+                "comments when generating output. This option can be "
+                "used multiple times."
+            ),
+        )
+        self.cmd_opts.add_option(
+            "-l",
+            "--local",
+            dest="local",
+            action="store_true",
+            default=False,
+            help=(
+                "If in a virtualenv that has global access, do not output "
+                "globally-installed packages."
+            ),
+        )
+        self.cmd_opts.add_option(
+            "--user",
+            dest="user",
+            action="store_true",
+            default=False,
+            help="Only output packages installed in user-site.",
+        )
+        self.cmd_opts.add_option(cmdoptions.list_path())
+        self.cmd_opts.add_option(
+            "--all",
+            dest="freeze_all",
+            action="store_true",
+            help=(
+                "Do not skip these packages in the output:"
+                " {}".format(", ".join(_dev_pkgs()))
+            ),
+        )
+        self.cmd_opts.add_option(
+            "--exclude-editable",
+            dest="exclude_editable",
+            action="store_true",
+            help="Exclude editable package from output.",
+        )
+        self.cmd_opts.add_option(cmdoptions.list_exclude())
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        skip = set(stdlib_pkgs)
+        if not options.freeze_all:
+            skip.update(_dev_pkgs())
+
+        if options.excludes:
+            skip.update(options.excludes)
+
+        cmdoptions.check_list_path_option(options)
+
+        for line in freeze(
+            requirement=options.requirements,
+            local_only=options.local,
+            user_only=options.user,
+            paths=options.path,
+            isolated=options.isolated_mode,
+            skip=skip,
+            exclude_editable=options.exclude_editable,
+        ):
+            sys.stdout.write(line + "\n")
+        return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/hash.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/hash.py
new file mode 100644
index 00000000..042dac81
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/hash.py
@@ -0,0 +1,59 @@
+import hashlib
+import logging
+import sys
+from optparse import Values
+from typing import List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES
+from pip._internal.utils.misc import read_chunks, write_output
+
+logger = logging.getLogger(__name__)
+
+
+class HashCommand(Command):
+    """
+    Compute a hash of a local package archive.
+
+    These can be used with --hash in a requirements file to do repeatable
+    installs.
+    """
+
+    usage = "%prog [options] <file> ..."
+    ignore_require_venv = True
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "-a",
+            "--algorithm",
+            dest="algorithm",
+            choices=STRONG_HASHES,
+            action="store",
+            default=FAVORITE_HASH,
+            help="The hash algorithm to use: one of {}".format(
+                ", ".join(STRONG_HASHES)
+            ),
+        )
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        if not args:
+            self.parser.print_usage(sys.stderr)
+            return ERROR
+
+        algorithm = options.algorithm
+        for path in args:
+            write_output(
+                "%s:\n--hash=%s:%s", path, algorithm, _hash_of_file(path, algorithm)
+            )
+        return SUCCESS
+
+
+def _hash_of_file(path: str, algorithm: str) -> str:
+    """Return the hash digest of a file."""
+    with open(path, "rb") as archive:
+        hash = hashlib.new(algorithm)
+        for chunk in read_chunks(archive):
+            hash.update(chunk)
+    return hash.hexdigest()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/help.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/help.py
new file mode 100644
index 00000000..62066318
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/help.py
@@ -0,0 +1,41 @@
+from optparse import Values
+from typing import List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import CommandError
+
+
+class HelpCommand(Command):
+    """Show help for commands"""
+
+    usage = """
+      %prog <command>"""
+    ignore_require_venv = True
+
+    def run(self, options: Values, args: List[str]) -> int:
+        from pip._internal.commands import (
+            commands_dict,
+            create_command,
+            get_similar_commands,
+        )
+
+        try:
+            # 'pip help' with no args is handled by pip.__init__.parseopt()
+            cmd_name = args[0]  # the command we need help for
+        except IndexError:
+            return SUCCESS
+
+        if cmd_name not in commands_dict:
+            guess = get_similar_commands(cmd_name)
+
+            msg = [f'unknown command "{cmd_name}"']
+            if guess:
+                msg.append(f'maybe you meant "{guess}"')
+
+            raise CommandError(" - ".join(msg))
+
+        command = create_command(cmd_name)
+        command.parser.print_help()
+
+        return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/index.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/index.py
new file mode 100644
index 00000000..f55e9e49
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/index.py
@@ -0,0 +1,139 @@
+import logging
+from optparse import Values
+from typing import Any, Iterable, List, Optional, Union
+
+from pip._vendor.packaging.version import LegacyVersion, Version
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.req_command import IndexGroupCommand
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.commands.search import print_dist_installation_info
+from pip._internal.exceptions import CommandError, DistributionNotFound, PipError
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.models.target_python import TargetPython
+from pip._internal.network.session import PipSession
+from pip._internal.utils.misc import write_output
+
+logger = logging.getLogger(__name__)
+
+
+class IndexCommand(IndexGroupCommand):
+    """
+    Inspect information available from package indexes.
+    """
+
+    ignore_require_venv = True
+    usage = """
+        %prog versions <package>
+    """
+
+    def add_options(self) -> None:
+        cmdoptions.add_target_python_options(self.cmd_opts)
+
+        self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+        self.cmd_opts.add_option(cmdoptions.pre())
+        self.cmd_opts.add_option(cmdoptions.no_binary())
+        self.cmd_opts.add_option(cmdoptions.only_binary())
+
+        index_opts = cmdoptions.make_option_group(
+            cmdoptions.index_group,
+            self.parser,
+        )
+
+        self.parser.insert_option_group(0, index_opts)
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        handlers = {
+            "versions": self.get_available_package_versions,
+        }
+
+        logger.warning(
+            "pip index is currently an experimental command. "
+            "It may be removed/changed in a future release "
+            "without prior warning."
+        )
+
+        # Determine action
+        if not args or args[0] not in handlers:
+            logger.error(
+                "Need an action (%s) to perform.",
+                ", ".join(sorted(handlers)),
+            )
+            return ERROR
+
+        action = args[0]
+
+        # Error handling happens here, not in the action-handlers.
+        try:
+            handlers[action](options, args[1:])
+        except PipError as e:
+            logger.error(e.args[0])
+            return ERROR
+
+        return SUCCESS
+
+    def _build_package_finder(
+        self,
+        options: Values,
+        session: PipSession,
+        target_python: Optional[TargetPython] = None,
+        ignore_requires_python: Optional[bool] = None,
+    ) -> PackageFinder:
+        """
+        Create a package finder appropriate to the index command.
+        """
+        link_collector = LinkCollector.create(session, options=options)
+
+        # Pass allow_yanked=False to ignore yanked versions.
+        selection_prefs = SelectionPreferences(
+            allow_yanked=False,
+            allow_all_prereleases=options.pre,
+            ignore_requires_python=ignore_requires_python,
+        )
+
+        return PackageFinder.create(
+            link_collector=link_collector,
+            selection_prefs=selection_prefs,
+            target_python=target_python,
+        )
+
+    def get_available_package_versions(self, options: Values, args: List[Any]) -> None:
+        if len(args) != 1:
+            raise CommandError("You need to specify exactly one argument")
+
+        target_python = cmdoptions.make_target_python(options)
+        query = args[0]
+
+        with self._build_session(options) as session:
+            finder = self._build_package_finder(
+                options=options,
+                session=session,
+                target_python=target_python,
+                ignore_requires_python=options.ignore_requires_python,
+            )
+
+            versions: Iterable[Union[LegacyVersion, Version]] = (
+                candidate.version for candidate in finder.find_all_candidates(query)
+            )
+
+            if not options.pre:
+                # Remove prereleases
+                versions = (
+                    version for version in versions if not version.is_prerelease
+                )
+            versions = set(versions)
+
+            if not versions:
+                raise DistributionNotFound(
+                    f"No matching distribution found for {query}"
+                )
+
+            formatted_versions = [str(ver) for ver in sorted(versions, reverse=True)]
+            latest = formatted_versions[0]
+
+        write_output(f"{query} ({latest})")
+        write_output("Available versions: {}".format(", ".join(formatted_versions)))
+        print_dist_installation_info(query, latest)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/inspect.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/inspect.py
new file mode 100644
index 00000000..27c8fa3d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/inspect.py
@@ -0,0 +1,92 @@
+import logging
+from optparse import Values
+from typing import Any, Dict, List
+
+from pip._vendor.packaging.markers import default_environment
+from pip._vendor.rich import print_json
+
+from pip import __version__
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.req_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.metadata import BaseDistribution, get_environment
+from pip._internal.utils.compat import stdlib_pkgs
+from pip._internal.utils.urls import path_to_url
+
+logger = logging.getLogger(__name__)
+
+
+class InspectCommand(Command):
+    """
+    Inspect the content of a Python environment and produce a report in JSON format.
+    """
+
+    ignore_require_venv = True
+    usage = """
+      %prog [options]"""
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "--local",
+            action="store_true",
+            default=False,
+            help=(
+                "If in a virtualenv that has global access, do not list "
+                "globally-installed packages."
+            ),
+        )
+        self.cmd_opts.add_option(
+            "--user",
+            dest="user",
+            action="store_true",
+            default=False,
+            help="Only output packages installed in user-site.",
+        )
+        self.cmd_opts.add_option(cmdoptions.list_path())
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        cmdoptions.check_list_path_option(options)
+        dists = get_environment(options.path).iter_installed_distributions(
+            local_only=options.local,
+            user_only=options.user,
+            skip=set(stdlib_pkgs),
+        )
+        output = {
+            "version": "1",
+            "pip_version": __version__,
+            "installed": [self._dist_to_dict(dist) for dist in dists],
+            "environment": default_environment(),
+            # TODO tags? scheme?
+        }
+        print_json(data=output)
+        return SUCCESS
+
+    def _dist_to_dict(self, dist: BaseDistribution) -> Dict[str, Any]:
+        res: Dict[str, Any] = {
+            "metadata": dist.metadata_dict,
+            "metadata_location": dist.info_location,
+        }
+        # direct_url. Note that we don't have download_info (as in the installation
+        # report) since it is not recorded in installed metadata.
+        direct_url = dist.direct_url
+        if direct_url is not None:
+            res["direct_url"] = direct_url.to_dict()
+        else:
+            # Emulate direct_url for legacy editable installs.
+            editable_project_location = dist.editable_project_location
+            if editable_project_location is not None:
+                res["direct_url"] = {
+                    "url": path_to_url(editable_project_location),
+                    "dir_info": {
+                        "editable": True,
+                    },
+                }
+        # installer
+        installer = dist.installer
+        if dist.installer:
+            res["installer"] = installer
+        # requested
+        if dist.installed_with_dist_info:
+            res["requested"] = dist.requested
+        return res
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/install.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/install.py
new file mode 100644
index 00000000..e944bb95
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/install.py
@@ -0,0 +1,774 @@
+import errno
+import json
+import operator
+import os
+import shutil
+import site
+from optparse import SUPPRESS_HELP, Values
+from typing import List, Optional
+
+from pip._vendor.rich import print_json
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.req_command import (
+    RequirementCommand,
+    warn_if_run_as_root,
+    with_cleanup,
+)
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.exceptions import CommandError, InstallationError
+from pip._internal.locations import get_scheme
+from pip._internal.metadata import get_environment
+from pip._internal.models.installation_report import InstallationReport
+from pip._internal.operations.build.build_tracker import get_build_tracker
+from pip._internal.operations.check import ConflictDetails, check_install_conflicts
+from pip._internal.req import install_given_reqs
+from pip._internal.req.req_install import (
+    InstallRequirement,
+    check_legacy_setup_py_options,
+)
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.filesystem import test_writable_dir
+from pip._internal.utils.logging import getLogger
+from pip._internal.utils.misc import (
+    check_externally_managed,
+    ensure_dir,
+    get_pip_version,
+    protect_pip_from_modification_on_windows,
+    write_output,
+)
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.virtualenv import (
+    running_under_virtualenv,
+    virtualenv_no_global,
+)
+from pip._internal.wheel_builder import build, should_build_for_install_command
+
+logger = getLogger(__name__)
+
+
+class InstallCommand(RequirementCommand):
+    """
+    Install packages from:
+
+    - PyPI (and other indexes) using requirement specifiers.
+    - VCS project urls.
+    - Local project directories.
+    - Local or remote source archives.
+
+    pip also supports installing from "requirements files", which provide
+    an easy way to specify a whole environment to be installed.
+    """
+
+    usage = """
+      %prog [options] <requirement specifier> [package-index-options] ...
+      %prog [options] -r <requirements file> [package-index-options] ...
+      %prog [options] [-e] <vcs project url> ...
+      %prog [options] [-e] <local project path> ...
+      %prog [options] <archive url/path> ..."""
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(cmdoptions.requirements())
+        self.cmd_opts.add_option(cmdoptions.constraints())
+        self.cmd_opts.add_option(cmdoptions.no_deps())
+        self.cmd_opts.add_option(cmdoptions.pre())
+
+        self.cmd_opts.add_option(cmdoptions.editable())
+        self.cmd_opts.add_option(
+            "--dry-run",
+            action="store_true",
+            dest="dry_run",
+            default=False,
+            help=(
+                "Don't actually install anything, just print what would be. "
+                "Can be used in combination with --ignore-installed "
+                "to 'resolve' the requirements."
+            ),
+        )
+        self.cmd_opts.add_option(
+            "-t",
+            "--target",
+            dest="target_dir",
+            metavar="dir",
+            default=None,
+            help=(
+                "Install packages into <dir>. "
+                "By default this will not replace existing files/folders in "
+                "<dir>. Use --upgrade to replace existing packages in <dir> "
+                "with new versions."
+            ),
+        )
+        cmdoptions.add_target_python_options(self.cmd_opts)
+
+        self.cmd_opts.add_option(
+            "--user",
+            dest="use_user_site",
+            action="store_true",
+            help=(
+                "Install to the Python user install directory for your "
+                "platform. Typically ~/.local/, or %APPDATA%\\Python on "
+                "Windows. (See the Python documentation for site.USER_BASE "
+                "for full details.)"
+            ),
+        )
+        self.cmd_opts.add_option(
+            "--no-user",
+            dest="use_user_site",
+            action="store_false",
+            help=SUPPRESS_HELP,
+        )
+        self.cmd_opts.add_option(
+            "--root",
+            dest="root_path",
+            metavar="dir",
+            default=None,
+            help="Install everything relative to this alternate root directory.",
+        )
+        self.cmd_opts.add_option(
+            "--prefix",
+            dest="prefix_path",
+            metavar="dir",
+            default=None,
+            help=(
+                "Installation prefix where lib, bin and other top-level "
+                "folders are placed. Note that the resulting installation may "
+                "contain scripts and other resources which reference the "
+                "Python interpreter of pip, and not that of ``--prefix``. "
+                "See also the ``--python`` option if the intention is to "
+                "install packages into another (possibly pip-free) "
+                "environment."
+            ),
+        )
+
+        self.cmd_opts.add_option(cmdoptions.src())
+
+        self.cmd_opts.add_option(
+            "-U",
+            "--upgrade",
+            dest="upgrade",
+            action="store_true",
+            help=(
+                "Upgrade all specified packages to the newest available "
+                "version. The handling of dependencies depends on the "
+                "upgrade-strategy used."
+            ),
+        )
+
+        self.cmd_opts.add_option(
+            "--upgrade-strategy",
+            dest="upgrade_strategy",
+            default="only-if-needed",
+            choices=["only-if-needed", "eager"],
+            help=(
+                "Determines how dependency upgrading should be handled "
+                "[default: %default]. "
+                '"eager" - dependencies are upgraded regardless of '
+                "whether the currently installed version satisfies the "
+                "requirements of the upgraded package(s). "
+                '"only-if-needed" -  are upgraded only when they do not '
+                "satisfy the requirements of the upgraded package(s)."
+            ),
+        )
+
+        self.cmd_opts.add_option(
+            "--force-reinstall",
+            dest="force_reinstall",
+            action="store_true",
+            help="Reinstall all packages even if they are already up-to-date.",
+        )
+
+        self.cmd_opts.add_option(
+            "-I",
+            "--ignore-installed",
+            dest="ignore_installed",
+            action="store_true",
+            help=(
+                "Ignore the installed packages, overwriting them. "
+                "This can break your system if the existing package "
+                "is of a different version or was installed "
+                "with a different package manager!"
+            ),
+        )
+
+        self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+        self.cmd_opts.add_option(cmdoptions.no_build_isolation())
+        self.cmd_opts.add_option(cmdoptions.use_pep517())
+        self.cmd_opts.add_option(cmdoptions.no_use_pep517())
+        self.cmd_opts.add_option(cmdoptions.check_build_deps())
+        self.cmd_opts.add_option(cmdoptions.override_externally_managed())
+
+        self.cmd_opts.add_option(cmdoptions.config_settings())
+        self.cmd_opts.add_option(cmdoptions.global_options())
+
+        self.cmd_opts.add_option(
+            "--compile",
+            action="store_true",
+            dest="compile",
+            default=True,
+            help="Compile Python source files to bytecode",
+        )
+
+        self.cmd_opts.add_option(
+            "--no-compile",
+            action="store_false",
+            dest="compile",
+            help="Do not compile Python source files to bytecode",
+        )
+
+        self.cmd_opts.add_option(
+            "--no-warn-script-location",
+            action="store_false",
+            dest="warn_script_location",
+            default=True,
+            help="Do not warn when installing scripts outside PATH",
+        )
+        self.cmd_opts.add_option(
+            "--no-warn-conflicts",
+            action="store_false",
+            dest="warn_about_conflicts",
+            default=True,
+            help="Do not warn about broken dependencies",
+        )
+        self.cmd_opts.add_option(cmdoptions.no_binary())
+        self.cmd_opts.add_option(cmdoptions.only_binary())
+        self.cmd_opts.add_option(cmdoptions.prefer_binary())
+        self.cmd_opts.add_option(cmdoptions.require_hashes())
+        self.cmd_opts.add_option(cmdoptions.progress_bar())
+        self.cmd_opts.add_option(cmdoptions.root_user_action())
+
+        index_opts = cmdoptions.make_option_group(
+            cmdoptions.index_group,
+            self.parser,
+        )
+
+        self.parser.insert_option_group(0, index_opts)
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+        self.cmd_opts.add_option(
+            "--report",
+            dest="json_report_file",
+            metavar="file",
+            default=None,
+            help=(
+                "Generate a JSON file describing what pip did to install "
+                "the provided requirements. "
+                "Can be used in combination with --dry-run and --ignore-installed "
+                "to 'resolve' the requirements. "
+                "When - is used as file name it writes to stdout. "
+                "When writing to stdout, please combine with the --quiet option "
+                "to avoid mixing pip logging output with JSON output."
+            ),
+        )
+
+    @with_cleanup
+    def run(self, options: Values, args: List[str]) -> int:
+        if options.use_user_site and options.target_dir is not None:
+            raise CommandError("Can not combine '--user' and '--target'")
+
+        # Check whether the environment we're installing into is externally
+        # managed, as specified in PEP 668. Specifying --root, --target, or
+        # --prefix disables the check, since there's no reliable way to locate
+        # the EXTERNALLY-MANAGED file for those cases. An exception is also
+        # made specifically for "--dry-run --report" for convenience.
+        installing_into_current_environment = (
+            not (options.dry_run and options.json_report_file)
+            and options.root_path is None
+            and options.target_dir is None
+            and options.prefix_path is None
+        )
+        if (
+            installing_into_current_environment
+            and not options.override_externally_managed
+        ):
+            check_externally_managed()
+
+        upgrade_strategy = "to-satisfy-only"
+        if options.upgrade:
+            upgrade_strategy = options.upgrade_strategy
+
+        cmdoptions.check_dist_restriction(options, check_target=True)
+
+        logger.verbose("Using %s", get_pip_version())
+        options.use_user_site = decide_user_install(
+            options.use_user_site,
+            prefix_path=options.prefix_path,
+            target_dir=options.target_dir,
+            root_path=options.root_path,
+            isolated_mode=options.isolated_mode,
+        )
+
+        target_temp_dir: Optional[TempDirectory] = None
+        target_temp_dir_path: Optional[str] = None
+        if options.target_dir:
+            options.ignore_installed = True
+            options.target_dir = os.path.abspath(options.target_dir)
+            if (
+                # fmt: off
+                os.path.exists(options.target_dir) and
+                not os.path.isdir(options.target_dir)
+                # fmt: on
+            ):
+                raise CommandError(
+                    "Target path exists but is not a directory, will not continue."
+                )
+
+            # Create a target directory for using with the target option
+            target_temp_dir = TempDirectory(kind="target")
+            target_temp_dir_path = target_temp_dir.path
+            self.enter_context(target_temp_dir)
+
+        global_options = options.global_options or []
+
+        session = self.get_default_session(options)
+
+        target_python = make_target_python(options)
+        finder = self._build_package_finder(
+            options=options,
+            session=session,
+            target_python=target_python,
+            ignore_requires_python=options.ignore_requires_python,
+        )
+        build_tracker = self.enter_context(get_build_tracker())
+
+        directory = TempDirectory(
+            delete=not options.no_clean,
+            kind="install",
+            globally_managed=True,
+        )
+
+        try:
+            reqs = self.get_requirements(args, options, finder, session)
+            check_legacy_setup_py_options(options, reqs)
+
+            wheel_cache = WheelCache(options.cache_dir)
+
+            # Only when installing is it permitted to use PEP 660.
+            # In other circumstances (pip wheel, pip download) we generate
+            # regular (i.e. non editable) metadata and wheels.
+            for req in reqs:
+                req.permit_editable_wheels = True
+
+            preparer = self.make_requirement_preparer(
+                temp_build_dir=directory,
+                options=options,
+                build_tracker=build_tracker,
+                session=session,
+                finder=finder,
+                use_user_site=options.use_user_site,
+                verbosity=self.verbosity,
+            )
+            resolver = self.make_resolver(
+                preparer=preparer,
+                finder=finder,
+                options=options,
+                wheel_cache=wheel_cache,
+                use_user_site=options.use_user_site,
+                ignore_installed=options.ignore_installed,
+                ignore_requires_python=options.ignore_requires_python,
+                force_reinstall=options.force_reinstall,
+                upgrade_strategy=upgrade_strategy,
+                use_pep517=options.use_pep517,
+            )
+
+            self.trace_basic_info(finder)
+
+            requirement_set = resolver.resolve(
+                reqs, check_supported_wheels=not options.target_dir
+            )
+
+            if options.json_report_file:
+                report = InstallationReport(requirement_set.requirements_to_install)
+                if options.json_report_file == "-":
+                    print_json(data=report.to_dict())
+                else:
+                    with open(options.json_report_file, "w", encoding="utf-8") as f:
+                        json.dump(report.to_dict(), f, indent=2, ensure_ascii=False)
+
+            if options.dry_run:
+                # In non dry-run mode, the legacy versions and specifiers check
+                # will be done as part of conflict detection.
+                requirement_set.warn_legacy_versions_and_specifiers()
+                would_install_items = sorted(
+                    (r.metadata["name"], r.metadata["version"])
+                    for r in requirement_set.requirements_to_install
+                )
+                if would_install_items:
+                    write_output(
+                        "Would install %s",
+                        " ".join("-".join(item) for item in would_install_items),
+                    )
+                return SUCCESS
+
+            try:
+                pip_req = requirement_set.get_requirement("pip")
+            except KeyError:
+                modifying_pip = False
+            else:
+                # If we're not replacing an already installed pip,
+                # we're not modifying it.
+                modifying_pip = pip_req.satisfied_by is None
+            protect_pip_from_modification_on_windows(modifying_pip=modifying_pip)
+
+            reqs_to_build = [
+                r
+                for r in requirement_set.requirements.values()
+                if should_build_for_install_command(r)
+            ]
+
+            _, build_failures = build(
+                reqs_to_build,
+                wheel_cache=wheel_cache,
+                verify=True,
+                build_options=[],
+                global_options=global_options,
+            )
+
+            if build_failures:
+                raise InstallationError(
+                    "Could not build wheels for {}, which is required to "
+                    "install pyproject.toml-based projects".format(
+                        ", ".join(r.name for r in build_failures)  # type: ignore
+                    )
+                )
+
+            to_install = resolver.get_installation_order(requirement_set)
+
+            # Check for conflicts in the package set we're installing.
+            conflicts: Optional[ConflictDetails] = None
+            should_warn_about_conflicts = (
+                not options.ignore_dependencies and options.warn_about_conflicts
+            )
+            if should_warn_about_conflicts:
+                conflicts = self._determine_conflicts(to_install)
+
+            # Don't warn about script install locations if
+            # --target or --prefix has been specified
+            warn_script_location = options.warn_script_location
+            if options.target_dir or options.prefix_path:
+                warn_script_location = False
+
+            installed = install_given_reqs(
+                to_install,
+                global_options,
+                root=options.root_path,
+                home=target_temp_dir_path,
+                prefix=options.prefix_path,
+                warn_script_location=warn_script_location,
+                use_user_site=options.use_user_site,
+                pycompile=options.compile,
+            )
+
+            lib_locations = get_lib_location_guesses(
+                user=options.use_user_site,
+                home=target_temp_dir_path,
+                root=options.root_path,
+                prefix=options.prefix_path,
+                isolated=options.isolated_mode,
+            )
+            env = get_environment(lib_locations)
+
+            installed.sort(key=operator.attrgetter("name"))
+            items = []
+            for result in installed:
+                item = result.name
+                try:
+                    installed_dist = env.get_distribution(item)
+                    if installed_dist is not None:
+                        item = f"{item}-{installed_dist.version}"
+                except Exception:
+                    pass
+                items.append(item)
+
+            if conflicts is not None:
+                self._warn_about_conflicts(
+                    conflicts,
+                    resolver_variant=self.determine_resolver_variant(options),
+                )
+
+            installed_desc = " ".join(items)
+            if installed_desc:
+                write_output(
+                    "Successfully installed %s",
+                    installed_desc,
+                )
+        except OSError as error:
+            show_traceback = self.verbosity >= 1
+
+            message = create_os_error_message(
+                error,
+                show_traceback,
+                options.use_user_site,
+            )
+            logger.error(message, exc_info=show_traceback)
+
+            return ERROR
+
+        if options.target_dir:
+            assert target_temp_dir
+            self._handle_target_dir(
+                options.target_dir, target_temp_dir, options.upgrade
+            )
+        if options.root_user_action == "warn":
+            warn_if_run_as_root()
+        return SUCCESS
+
+    def _handle_target_dir(
+        self, target_dir: str, target_temp_dir: TempDirectory, upgrade: bool
+    ) -> None:
+        ensure_dir(target_dir)
+
+        # Checking both purelib and platlib directories for installed
+        # packages to be moved to target directory
+        lib_dir_list = []
+
+        # Checking both purelib and platlib directories for installed
+        # packages to be moved to target directory
+        scheme = get_scheme("", home=target_temp_dir.path)
+        purelib_dir = scheme.purelib
+        platlib_dir = scheme.platlib
+        data_dir = scheme.data
+
+        if os.path.exists(purelib_dir):
+            lib_dir_list.append(purelib_dir)
+        if os.path.exists(platlib_dir) and platlib_dir != purelib_dir:
+            lib_dir_list.append(platlib_dir)
+        if os.path.exists(data_dir):
+            lib_dir_list.append(data_dir)
+
+        for lib_dir in lib_dir_list:
+            for item in os.listdir(lib_dir):
+                if lib_dir == data_dir:
+                    ddir = os.path.join(data_dir, item)
+                    if any(s.startswith(ddir) for s in lib_dir_list[:-1]):
+                        continue
+                target_item_dir = os.path.join(target_dir, item)
+                if os.path.exists(target_item_dir):
+                    if not upgrade:
+                        logger.warning(
+                            "Target directory %s already exists. Specify "
+                            "--upgrade to force replacement.",
+                            target_item_dir,
+                        )
+                        continue
+                    if os.path.islink(target_item_dir):
+                        logger.warning(
+                            "Target directory %s already exists and is "
+                            "a link. pip will not automatically replace "
+                            "links, please remove if replacement is "
+                            "desired.",
+                            target_item_dir,
+                        )
+                        continue
+                    if os.path.isdir(target_item_dir):
+                        shutil.rmtree(target_item_dir)
+                    else:
+                        os.remove(target_item_dir)
+
+                shutil.move(os.path.join(lib_dir, item), target_item_dir)
+
+    def _determine_conflicts(
+        self, to_install: List[InstallRequirement]
+    ) -> Optional[ConflictDetails]:
+        try:
+            return check_install_conflicts(to_install)
+        except Exception:
+            logger.exception(
+                "Error while checking for conflicts. Please file an issue on "
+                "pip's issue tracker: https://github.com/pypa/pip/issues/new"
+            )
+            return None
+
+    def _warn_about_conflicts(
+        self, conflict_details: ConflictDetails, resolver_variant: str
+    ) -> None:
+        package_set, (missing, conflicting) = conflict_details
+        if not missing and not conflicting:
+            return
+
+        parts: List[str] = []
+        if resolver_variant == "legacy":
+            parts.append(
+                "pip's legacy dependency resolver does not consider dependency "
+                "conflicts when selecting packages. This behaviour is the "
+                "source of the following dependency conflicts."
+            )
+        else:
+            assert resolver_variant == "resolvelib"
+            parts.append(
+                "pip's dependency resolver does not currently take into account "
+                "all the packages that are installed. This behaviour is the "
+                "source of the following dependency conflicts."
+            )
+
+        # NOTE: There is some duplication here, with commands/check.py
+        for project_name in missing:
+            version = package_set[project_name][0]
+            for dependency in missing[project_name]:
+                message = (
+                    f"{project_name} {version} requires {dependency[1]}, "
+                    "which is not installed."
+                )
+                parts.append(message)
+
+        for project_name in conflicting:
+            version = package_set[project_name][0]
+            for dep_name, dep_version, req in conflicting[project_name]:
+                message = (
+                    "{name} {version} requires {requirement}, but {you} have "
+                    "{dep_name} {dep_version} which is incompatible."
+                ).format(
+                    name=project_name,
+                    version=version,
+                    requirement=req,
+                    dep_name=dep_name,
+                    dep_version=dep_version,
+                    you=("you" if resolver_variant == "resolvelib" else "you'll"),
+                )
+                parts.append(message)
+
+        logger.critical("\n".join(parts))
+
+
+def get_lib_location_guesses(
+    user: bool = False,
+    home: Optional[str] = None,
+    root: Optional[str] = None,
+    isolated: bool = False,
+    prefix: Optional[str] = None,
+) -> List[str]:
+    scheme = get_scheme(
+        "",
+        user=user,
+        home=home,
+        root=root,
+        isolated=isolated,
+        prefix=prefix,
+    )
+    return [scheme.purelib, scheme.platlib]
+
+
+def site_packages_writable(root: Optional[str], isolated: bool) -> bool:
+    return all(
+        test_writable_dir(d)
+        for d in set(get_lib_location_guesses(root=root, isolated=isolated))
+    )
+
+
+def decide_user_install(
+    use_user_site: Optional[bool],
+    prefix_path: Optional[str] = None,
+    target_dir: Optional[str] = None,
+    root_path: Optional[str] = None,
+    isolated_mode: bool = False,
+) -> bool:
+    """Determine whether to do a user install based on the input options.
+
+    If use_user_site is False, no additional checks are done.
+    If use_user_site is True, it is checked for compatibility with other
+    options.
+    If use_user_site is None, the default behaviour depends on the environment,
+    which is provided by the other arguments.
+    """
+    # In some cases (config from tox), use_user_site can be set to an integer
+    # rather than a bool, which 'use_user_site is False' wouldn't catch.
+    if (use_user_site is not None) and (not use_user_site):
+        logger.debug("Non-user install by explicit request")
+        return False
+
+    if use_user_site:
+        if prefix_path:
+            raise CommandError(
+                "Can not combine '--user' and '--prefix' as they imply "
+                "different installation locations"
+            )
+        if virtualenv_no_global():
+            raise InstallationError(
+                "Can not perform a '--user' install. User site-packages "
+                "are not visible in this virtualenv."
+            )
+        logger.debug("User install by explicit request")
+        return True
+
+    # If we are here, user installs have not been explicitly requested/avoided
+    assert use_user_site is None
+
+    # user install incompatible with --prefix/--target
+    if prefix_path or target_dir:
+        logger.debug("Non-user install due to --prefix or --target option")
+        return False
+
+    # If user installs are not enabled, choose a non-user install
+    if not site.ENABLE_USER_SITE:
+        logger.debug("Non-user install because user site-packages disabled")
+        return False
+
+    # If we have permission for a non-user install, do that,
+    # otherwise do a user install.
+    if site_packages_writable(root=root_path, isolated=isolated_mode):
+        logger.debug("Non-user install because site-packages writeable")
+        return False
+
+    logger.info(
+        "Defaulting to user installation because normal site-packages "
+        "is not writeable"
+    )
+    return True
+
+
+def create_os_error_message(
+    error: OSError, show_traceback: bool, using_user_site: bool
+) -> str:
+    """Format an error message for an OSError
+
+    It may occur anytime during the execution of the install command.
+    """
+    parts = []
+
+    # Mention the error if we are not going to show a traceback
+    parts.append("Could not install packages due to an OSError")
+    if not show_traceback:
+        parts.append(": ")
+        parts.append(str(error))
+    else:
+        parts.append(".")
+
+    # Spilt the error indication from a helper message (if any)
+    parts[-1] += "\n"
+
+    # Suggest useful actions to the user:
+    #  (1) using user site-packages or (2) verifying the permissions
+    if error.errno == errno.EACCES:
+        user_option_part = "Consider using the `--user` option"
+        permissions_part = "Check the permissions"
+
+        if not running_under_virtualenv() and not using_user_site:
+            parts.extend(
+                [
+                    user_option_part,
+                    " or ",
+                    permissions_part.lower(),
+                ]
+            )
+        else:
+            parts.append(permissions_part)
+        parts.append(".\n")
+
+    # Suggest the user to enable Long Paths if path length is
+    # more than 260
+    if (
+        WINDOWS
+        and error.errno == errno.ENOENT
+        and error.filename
+        and len(error.filename) > 260
+    ):
+        parts.append(
+            "HINT: This error might have occurred since "
+            "this system does not have Windows Long Path "
+            "support enabled. You can find information on "
+            "how to enable this at "
+            "https://pip.pypa.io/warnings/enable-long-paths\n"
+        )
+
+    return "".join(parts).strip() + "\n"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/list.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/list.py
new file mode 100644
index 00000000..e551dda9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/list.py
@@ -0,0 +1,368 @@
+import json
+import logging
+from optparse import Values
+from typing import TYPE_CHECKING, Generator, List, Optional, Sequence, Tuple, cast
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.req_command import IndexGroupCommand
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import CommandError
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution, get_environment
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.network.session import PipSession
+from pip._internal.utils.compat import stdlib_pkgs
+from pip._internal.utils.misc import tabulate, write_output
+
+if TYPE_CHECKING:
+    from pip._internal.metadata.base import DistributionVersion
+
+    class _DistWithLatestInfo(BaseDistribution):
+        """Give the distribution object a couple of extra fields.
+
+        These will be populated during ``get_outdated()``. This is dirty but
+        makes the rest of the code much cleaner.
+        """
+
+        latest_version: DistributionVersion
+        latest_filetype: str
+
+    _ProcessedDists = Sequence[_DistWithLatestInfo]
+
+
+logger = logging.getLogger(__name__)
+
+
+class ListCommand(IndexGroupCommand):
+    """
+    List installed packages, including editables.
+
+    Packages are listed in a case-insensitive sorted order.
+    """
+
+    ignore_require_venv = True
+    usage = """
+      %prog [options]"""
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "-o",
+            "--outdated",
+            action="store_true",
+            default=False,
+            help="List outdated packages",
+        )
+        self.cmd_opts.add_option(
+            "-u",
+            "--uptodate",
+            action="store_true",
+            default=False,
+            help="List uptodate packages",
+        )
+        self.cmd_opts.add_option(
+            "-e",
+            "--editable",
+            action="store_true",
+            default=False,
+            help="List editable projects.",
+        )
+        self.cmd_opts.add_option(
+            "-l",
+            "--local",
+            action="store_true",
+            default=False,
+            help=(
+                "If in a virtualenv that has global access, do not list "
+                "globally-installed packages."
+            ),
+        )
+        self.cmd_opts.add_option(
+            "--user",
+            dest="user",
+            action="store_true",
+            default=False,
+            help="Only output packages installed in user-site.",
+        )
+        self.cmd_opts.add_option(cmdoptions.list_path())
+        self.cmd_opts.add_option(
+            "--pre",
+            action="store_true",
+            default=False,
+            help=(
+                "Include pre-release and development versions. By default, "
+                "pip only finds stable versions."
+            ),
+        )
+
+        self.cmd_opts.add_option(
+            "--format",
+            action="store",
+            dest="list_format",
+            default="columns",
+            choices=("columns", "freeze", "json"),
+            help=(
+                "Select the output format among: columns (default), freeze, or json. "
+                "The 'freeze' format cannot be used with the --outdated option."
+            ),
+        )
+
+        self.cmd_opts.add_option(
+            "--not-required",
+            action="store_true",
+            dest="not_required",
+            help="List packages that are not dependencies of installed packages.",
+        )
+
+        self.cmd_opts.add_option(
+            "--exclude-editable",
+            action="store_false",
+            dest="include_editable",
+            help="Exclude editable package from output.",
+        )
+        self.cmd_opts.add_option(
+            "--include-editable",
+            action="store_true",
+            dest="include_editable",
+            help="Include editable package from output.",
+            default=True,
+        )
+        self.cmd_opts.add_option(cmdoptions.list_exclude())
+        index_opts = cmdoptions.make_option_group(cmdoptions.index_group, self.parser)
+
+        self.parser.insert_option_group(0, index_opts)
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def _build_package_finder(
+        self, options: Values, session: PipSession
+    ) -> PackageFinder:
+        """
+        Create a package finder appropriate to this list command.
+        """
+        link_collector = LinkCollector.create(session, options=options)
+
+        # Pass allow_yanked=False to ignore yanked versions.
+        selection_prefs = SelectionPreferences(
+            allow_yanked=False,
+            allow_all_prereleases=options.pre,
+        )
+
+        return PackageFinder.create(
+            link_collector=link_collector,
+            selection_prefs=selection_prefs,
+        )
+
+    def run(self, options: Values, args: List[str]) -> int:
+        if options.outdated and options.uptodate:
+            raise CommandError("Options --outdated and --uptodate cannot be combined.")
+
+        if options.outdated and options.list_format == "freeze":
+            raise CommandError(
+                "List format 'freeze' cannot be used with the --outdated option."
+            )
+
+        cmdoptions.check_list_path_option(options)
+
+        skip = set(stdlib_pkgs)
+        if options.excludes:
+            skip.update(canonicalize_name(n) for n in options.excludes)
+
+        packages: "_ProcessedDists" = [
+            cast("_DistWithLatestInfo", d)
+            for d in get_environment(options.path).iter_installed_distributions(
+                local_only=options.local,
+                user_only=options.user,
+                editables_only=options.editable,
+                include_editables=options.include_editable,
+                skip=skip,
+            )
+        ]
+
+        # get_not_required must be called firstly in order to find and
+        # filter out all dependencies correctly. Otherwise a package
+        # can't be identified as requirement because some parent packages
+        # could be filtered out before.
+        if options.not_required:
+            packages = self.get_not_required(packages, options)
+
+        if options.outdated:
+            packages = self.get_outdated(packages, options)
+        elif options.uptodate:
+            packages = self.get_uptodate(packages, options)
+
+        self.output_package_listing(packages, options)
+        return SUCCESS
+
+    def get_outdated(
+        self, packages: "_ProcessedDists", options: Values
+    ) -> "_ProcessedDists":
+        return [
+            dist
+            for dist in self.iter_packages_latest_infos(packages, options)
+            if dist.latest_version > dist.version
+        ]
+
+    def get_uptodate(
+        self, packages: "_ProcessedDists", options: Values
+    ) -> "_ProcessedDists":
+        return [
+            dist
+            for dist in self.iter_packages_latest_infos(packages, options)
+            if dist.latest_version == dist.version
+        ]
+
+    def get_not_required(
+        self, packages: "_ProcessedDists", options: Values
+    ) -> "_ProcessedDists":
+        dep_keys = {
+            canonicalize_name(dep.name)
+            for dist in packages
+            for dep in (dist.iter_dependencies() or ())
+        }
+
+        # Create a set to remove duplicate packages, and cast it to a list
+        # to keep the return type consistent with get_outdated and
+        # get_uptodate
+        return list({pkg for pkg in packages if pkg.canonical_name not in dep_keys})
+
+    def iter_packages_latest_infos(
+        self, packages: "_ProcessedDists", options: Values
+    ) -> Generator["_DistWithLatestInfo", None, None]:
+        with self._build_session(options) as session:
+            finder = self._build_package_finder(options, session)
+
+            def latest_info(
+                dist: "_DistWithLatestInfo",
+            ) -> Optional["_DistWithLatestInfo"]:
+                all_candidates = finder.find_all_candidates(dist.canonical_name)
+                if not options.pre:
+                    # Remove prereleases
+                    all_candidates = [
+                        candidate
+                        for candidate in all_candidates
+                        if not candidate.version.is_prerelease
+                    ]
+
+                evaluator = finder.make_candidate_evaluator(
+                    project_name=dist.canonical_name,
+                )
+                best_candidate = evaluator.sort_best_candidate(all_candidates)
+                if best_candidate is None:
+                    return None
+
+                remote_version = best_candidate.version
+                if best_candidate.link.is_wheel:
+                    typ = "wheel"
+                else:
+                    typ = "sdist"
+                dist.latest_version = remote_version
+                dist.latest_filetype = typ
+                return dist
+
+            for dist in map(latest_info, packages):
+                if dist is not None:
+                    yield dist
+
+    def output_package_listing(
+        self, packages: "_ProcessedDists", options: Values
+    ) -> None:
+        packages = sorted(
+            packages,
+            key=lambda dist: dist.canonical_name,
+        )
+        if options.list_format == "columns" and packages:
+            data, header = format_for_columns(packages, options)
+            self.output_package_listing_columns(data, header)
+        elif options.list_format == "freeze":
+            for dist in packages:
+                if options.verbose >= 1:
+                    write_output(
+                        "%s==%s (%s)", dist.raw_name, dist.version, dist.location
+                    )
+                else:
+                    write_output("%s==%s", dist.raw_name, dist.version)
+        elif options.list_format == "json":
+            write_output(format_for_json(packages, options))
+
+    def output_package_listing_columns(
+        self, data: List[List[str]], header: List[str]
+    ) -> None:
+        # insert the header first: we need to know the size of column names
+        if len(data) > 0:
+            data.insert(0, header)
+
+        pkg_strings, sizes = tabulate(data)
+
+        # Create and add a separator.
+        if len(data) > 0:
+            pkg_strings.insert(1, " ".join("-" * x for x in sizes))
+
+        for val in pkg_strings:
+            write_output(val)
+
+
+def format_for_columns(
+    pkgs: "_ProcessedDists", options: Values
+) -> Tuple[List[List[str]], List[str]]:
+    """
+    Convert the package data into something usable
+    by output_package_listing_columns.
+    """
+    header = ["Package", "Version"]
+
+    running_outdated = options.outdated
+    if running_outdated:
+        header.extend(["Latest", "Type"])
+
+    has_editables = any(x.editable for x in pkgs)
+    if has_editables:
+        header.append("Editable project location")
+
+    if options.verbose >= 1:
+        header.append("Location")
+    if options.verbose >= 1:
+        header.append("Installer")
+
+    data = []
+    for proj in pkgs:
+        # if we're working on the 'outdated' list, separate out the
+        # latest_version and type
+        row = [proj.raw_name, str(proj.version)]
+
+        if running_outdated:
+            row.append(str(proj.latest_version))
+            row.append(proj.latest_filetype)
+
+        if has_editables:
+            row.append(proj.editable_project_location or "")
+
+        if options.verbose >= 1:
+            row.append(proj.location or "")
+        if options.verbose >= 1:
+            row.append(proj.installer)
+
+        data.append(row)
+
+    return data, header
+
+
+def format_for_json(packages: "_ProcessedDists", options: Values) -> str:
+    data = []
+    for dist in packages:
+        info = {
+            "name": dist.raw_name,
+            "version": str(dist.version),
+        }
+        if options.verbose >= 1:
+            info["location"] = dist.location or ""
+            info["installer"] = dist.installer
+        if options.outdated:
+            info["latest_version"] = str(dist.latest_version)
+            info["latest_filetype"] = dist.latest_filetype
+        editable_project_location = dist.editable_project_location
+        if editable_project_location:
+            info["editable_project_location"] = editable_project_location
+        data.append(info)
+    return json.dumps(data)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/search.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/search.py
new file mode 100644
index 00000000..03ed925b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/search.py
@@ -0,0 +1,174 @@
+import logging
+import shutil
+import sys
+import textwrap
+import xmlrpc.client
+from collections import OrderedDict
+from optparse import Values
+from typing import TYPE_CHECKING, Dict, List, Optional
+
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.req_command import SessionCommandMixin
+from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS
+from pip._internal.exceptions import CommandError
+from pip._internal.metadata import get_default_environment
+from pip._internal.models.index import PyPI
+from pip._internal.network.xmlrpc import PipXmlrpcTransport
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import write_output
+
+if TYPE_CHECKING:
+    from typing import TypedDict
+
+    class TransformedHit(TypedDict):
+        name: str
+        summary: str
+        versions: List[str]
+
+
+logger = logging.getLogger(__name__)
+
+
+class SearchCommand(Command, SessionCommandMixin):
+    """Search for PyPI packages whose name or summary contains <query>."""
+
+    usage = """
+      %prog [options] <query>"""
+    ignore_require_venv = True
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "-i",
+            "--index",
+            dest="index",
+            metavar="URL",
+            default=PyPI.pypi_url,
+            help="Base URL of Python Package Index (default %default)",
+        )
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        if not args:
+            raise CommandError("Missing required argument (search query).")
+        query = args
+        pypi_hits = self.search(query, options)
+        hits = transform_hits(pypi_hits)
+
+        terminal_width = None
+        if sys.stdout.isatty():
+            terminal_width = shutil.get_terminal_size()[0]
+
+        print_results(hits, terminal_width=terminal_width)
+        if pypi_hits:
+            return SUCCESS
+        return NO_MATCHES_FOUND
+
+    def search(self, query: List[str], options: Values) -> List[Dict[str, str]]:
+        index_url = options.index
+
+        session = self.get_default_session(options)
+
+        transport = PipXmlrpcTransport(index_url, session)
+        pypi = xmlrpc.client.ServerProxy(index_url, transport)
+        try:
+            hits = pypi.search({"name": query, "summary": query}, "or")
+        except xmlrpc.client.Fault as fault:
+            message = "XMLRPC request failed [code: {code}]\n{string}".format(
+                code=fault.faultCode,
+                string=fault.faultString,
+            )
+            raise CommandError(message)
+        assert isinstance(hits, list)
+        return hits
+
+
+def transform_hits(hits: List[Dict[str, str]]) -> List["TransformedHit"]:
+    """
+    The list from pypi is really a list of versions. We want a list of
+    packages with the list of versions stored inline. This converts the
+    list from pypi into one we can use.
+    """
+    packages: Dict[str, "TransformedHit"] = OrderedDict()
+    for hit in hits:
+        name = hit["name"]
+        summary = hit["summary"]
+        version = hit["version"]
+
+        if name not in packages.keys():
+            packages[name] = {
+                "name": name,
+                "summary": summary,
+                "versions": [version],
+            }
+        else:
+            packages[name]["versions"].append(version)
+
+            # if this is the highest version, replace summary and score
+            if version == highest_version(packages[name]["versions"]):
+                packages[name]["summary"] = summary
+
+    return list(packages.values())
+
+
+def print_dist_installation_info(name: str, latest: str) -> None:
+    env = get_default_environment()
+    dist = env.get_distribution(name)
+    if dist is not None:
+        with indent_log():
+            if dist.version == latest:
+                write_output("INSTALLED: %s (latest)", dist.version)
+            else:
+                write_output("INSTALLED: %s", dist.version)
+                if parse_version(latest).pre:
+                    write_output(
+                        "LATEST:    %s (pre-release; install"
+                        " with `pip install --pre`)",
+                        latest,
+                    )
+                else:
+                    write_output("LATEST:    %s", latest)
+
+
+def print_results(
+    hits: List["TransformedHit"],
+    name_column_width: Optional[int] = None,
+    terminal_width: Optional[int] = None,
+) -> None:
+    if not hits:
+        return
+    if name_column_width is None:
+        name_column_width = (
+            max(
+                [
+                    len(hit["name"]) + len(highest_version(hit.get("versions", ["-"])))
+                    for hit in hits
+                ]
+            )
+            + 4
+        )
+
+    for hit in hits:
+        name = hit["name"]
+        summary = hit["summary"] or ""
+        latest = highest_version(hit.get("versions", ["-"]))
+        if terminal_width is not None:
+            target_width = terminal_width - name_column_width - 5
+            if target_width > 10:
+                # wrap and indent summary to fit terminal
+                summary_lines = textwrap.wrap(summary, target_width)
+                summary = ("\n" + " " * (name_column_width + 3)).join(summary_lines)
+
+        name_latest = f"{name} ({latest})"
+        line = f"{name_latest:{name_column_width}} - {summary}"
+        try:
+            write_output(line)
+            print_dist_installation_info(name, latest)
+        except UnicodeEncodeError:
+            pass
+
+
+def highest_version(versions: List[str]) -> str:
+    return max(versions, key=parse_version)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/show.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/show.py
new file mode 100644
index 00000000..3f10701f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/show.py
@@ -0,0 +1,189 @@
+import logging
+from optparse import Values
+from typing import Generator, Iterable, Iterator, List, NamedTuple, Optional
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.metadata import BaseDistribution, get_default_environment
+from pip._internal.utils.misc import write_output
+
+logger = logging.getLogger(__name__)
+
+
+class ShowCommand(Command):
+    """
+    Show information about one or more installed packages.
+
+    The output is in RFC-compliant mail header format.
+    """
+
+    usage = """
+      %prog [options] <package> ..."""
+    ignore_require_venv = True
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "-f",
+            "--files",
+            dest="files",
+            action="store_true",
+            default=False,
+            help="Show the full list of installed files for each package.",
+        )
+
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        if not args:
+            logger.warning("ERROR: Please provide a package name or names.")
+            return ERROR
+        query = args
+
+        results = search_packages_info(query)
+        if not print_results(
+            results, list_files=options.files, verbose=options.verbose
+        ):
+            return ERROR
+        return SUCCESS
+
+
+class _PackageInfo(NamedTuple):
+    name: str
+    version: str
+    location: str
+    editable_project_location: Optional[str]
+    requires: List[str]
+    required_by: List[str]
+    installer: str
+    metadata_version: str
+    classifiers: List[str]
+    summary: str
+    homepage: str
+    project_urls: List[str]
+    author: str
+    author_email: str
+    license: str
+    entry_points: List[str]
+    files: Optional[List[str]]
+
+
+def search_packages_info(query: List[str]) -> Generator[_PackageInfo, None, None]:
+    """
+    Gather details from installed distributions. Print distribution name,
+    version, location, and installed files. Installed files requires a
+    pip generated 'installed-files.txt' in the distributions '.egg-info'
+    directory.
+    """
+    env = get_default_environment()
+
+    installed = {dist.canonical_name: dist for dist in env.iter_all_distributions()}
+    query_names = [canonicalize_name(name) for name in query]
+    missing = sorted(
+        [name for name, pkg in zip(query, query_names) if pkg not in installed]
+    )
+    if missing:
+        logger.warning("Package(s) not found: %s", ", ".join(missing))
+
+    def _get_requiring_packages(current_dist: BaseDistribution) -> Iterator[str]:
+        return (
+            dist.metadata["Name"] or "UNKNOWN"
+            for dist in installed.values()
+            if current_dist.canonical_name
+            in {canonicalize_name(d.name) for d in dist.iter_dependencies()}
+        )
+
+    for query_name in query_names:
+        try:
+            dist = installed[query_name]
+        except KeyError:
+            continue
+
+        requires = sorted((req.name for req in dist.iter_dependencies()), key=str.lower)
+        required_by = sorted(_get_requiring_packages(dist), key=str.lower)
+
+        try:
+            entry_points_text = dist.read_text("entry_points.txt")
+            entry_points = entry_points_text.splitlines(keepends=False)
+        except FileNotFoundError:
+            entry_points = []
+
+        files_iter = dist.iter_declared_entries()
+        if files_iter is None:
+            files: Optional[List[str]] = None
+        else:
+            files = sorted(files_iter)
+
+        metadata = dist.metadata
+
+        yield _PackageInfo(
+            name=dist.raw_name,
+            version=str(dist.version),
+            location=dist.location or "",
+            editable_project_location=dist.editable_project_location,
+            requires=requires,
+            required_by=required_by,
+            installer=dist.installer,
+            metadata_version=dist.metadata_version or "",
+            classifiers=metadata.get_all("Classifier", []),
+            summary=metadata.get("Summary", ""),
+            homepage=metadata.get("Home-page", ""),
+            project_urls=metadata.get_all("Project-URL", []),
+            author=metadata.get("Author", ""),
+            author_email=metadata.get("Author-email", ""),
+            license=metadata.get("License", ""),
+            entry_points=entry_points,
+            files=files,
+        )
+
+
+def print_results(
+    distributions: Iterable[_PackageInfo],
+    list_files: bool,
+    verbose: bool,
+) -> bool:
+    """
+    Print the information from installed distributions found.
+    """
+    results_printed = False
+    for i, dist in enumerate(distributions):
+        results_printed = True
+        if i > 0:
+            write_output("---")
+
+        write_output("Name: %s", dist.name)
+        write_output("Version: %s", dist.version)
+        write_output("Summary: %s", dist.summary)
+        write_output("Home-page: %s", dist.homepage)
+        write_output("Author: %s", dist.author)
+        write_output("Author-email: %s", dist.author_email)
+        write_output("License: %s", dist.license)
+        write_output("Location: %s", dist.location)
+        if dist.editable_project_location is not None:
+            write_output(
+                "Editable project location: %s", dist.editable_project_location
+            )
+        write_output("Requires: %s", ", ".join(dist.requires))
+        write_output("Required-by: %s", ", ".join(dist.required_by))
+
+        if verbose:
+            write_output("Metadata-Version: %s", dist.metadata_version)
+            write_output("Installer: %s", dist.installer)
+            write_output("Classifiers:")
+            for classifier in dist.classifiers:
+                write_output("  %s", classifier)
+            write_output("Entry-points:")
+            for entry in dist.entry_points:
+                write_output("  %s", entry.strip())
+            write_output("Project-URLs:")
+            for project_url in dist.project_urls:
+                write_output("  %s", project_url)
+        if list_files:
+            write_output("Files:")
+            if dist.files is None:
+                write_output("Cannot locate RECORD or installed-files.txt")
+            else:
+                for line in dist.files:
+                    write_output("  %s", line.strip())
+    return results_printed
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/uninstall.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/uninstall.py
new file mode 100644
index 00000000..f198fc31
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/uninstall.py
@@ -0,0 +1,113 @@
+import logging
+from optparse import Values
+from typing import List
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.req_command import SessionCommandMixin, warn_if_run_as_root
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import InstallationError
+from pip._internal.req import parse_requirements
+from pip._internal.req.constructors import (
+    install_req_from_line,
+    install_req_from_parsed_requirement,
+)
+from pip._internal.utils.misc import (
+    check_externally_managed,
+    protect_pip_from_modification_on_windows,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class UninstallCommand(Command, SessionCommandMixin):
+    """
+    Uninstall packages.
+
+    pip is able to uninstall most installed packages. Known exceptions are:
+
+    - Pure distutils packages installed with ``python setup.py install``, which
+      leave behind no metadata to determine what files were installed.
+    - Script wrappers installed by ``python setup.py develop``.
+    """
+
+    usage = """
+      %prog [options] <package> ...
+      %prog [options] -r <requirements file> ..."""
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "-r",
+            "--requirement",
+            dest="requirements",
+            action="append",
+            default=[],
+            metavar="file",
+            help=(
+                "Uninstall all the packages listed in the given requirements "
+                "file.  This option can be used multiple times."
+            ),
+        )
+        self.cmd_opts.add_option(
+            "-y",
+            "--yes",
+            dest="yes",
+            action="store_true",
+            help="Don't ask for confirmation of uninstall deletions.",
+        )
+        self.cmd_opts.add_option(cmdoptions.root_user_action())
+        self.cmd_opts.add_option(cmdoptions.override_externally_managed())
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    def run(self, options: Values, args: List[str]) -> int:
+        session = self.get_default_session(options)
+
+        reqs_to_uninstall = {}
+        for name in args:
+            req = install_req_from_line(
+                name,
+                isolated=options.isolated_mode,
+            )
+            if req.name:
+                reqs_to_uninstall[canonicalize_name(req.name)] = req
+            else:
+                logger.warning(
+                    "Invalid requirement: %r ignored -"
+                    " the uninstall command expects named"
+                    " requirements.",
+                    name,
+                )
+        for filename in options.requirements:
+            for parsed_req in parse_requirements(
+                filename, options=options, session=session
+            ):
+                req = install_req_from_parsed_requirement(
+                    parsed_req, isolated=options.isolated_mode
+                )
+                if req.name:
+                    reqs_to_uninstall[canonicalize_name(req.name)] = req
+        if not reqs_to_uninstall:
+            raise InstallationError(
+                f"You must give at least one requirement to {self.name} (see "
+                f'"pip help {self.name}")'
+            )
+
+        if not options.override_externally_managed:
+            check_externally_managed()
+
+        protect_pip_from_modification_on_windows(
+            modifying_pip="pip" in reqs_to_uninstall
+        )
+
+        for req in reqs_to_uninstall.values():
+            uninstall_pathset = req.uninstall(
+                auto_confirm=options.yes,
+                verbose=self.verbosity > 0,
+            )
+            if uninstall_pathset:
+                uninstall_pathset.commit()
+        if options.root_user_action == "warn":
+            warn_if_run_as_root()
+        return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/wheel.py
new file mode 100644
index 00000000..ed578aa2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/commands/wheel.py
@@ -0,0 +1,183 @@
+import logging
+import os
+import shutil
+from optparse import Values
+from typing import List
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.req_command import RequirementCommand, with_cleanup
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import CommandError
+from pip._internal.operations.build.build_tracker import get_build_tracker
+from pip._internal.req.req_install import (
+    InstallRequirement,
+    check_legacy_setup_py_options,
+)
+from pip._internal.utils.misc import ensure_dir, normalize_path
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.wheel_builder import build, should_build_for_wheel_command
+
+logger = logging.getLogger(__name__)
+
+
+class WheelCommand(RequirementCommand):
+    """
+    Build Wheel archives for your requirements and dependencies.
+
+    Wheel is a built-package format, and offers the advantage of not
+    recompiling your software during every install. For more details, see the
+    wheel docs: https://wheel.readthedocs.io/en/latest/
+
+    'pip wheel' uses the build system interface as described here:
+    https://pip.pypa.io/en/stable/reference/build-system/
+
+    """
+
+    usage = """
+      %prog [options] <requirement specifier> ...
+      %prog [options] -r <requirements file> ...
+      %prog [options] [-e] <vcs project url> ...
+      %prog [options] [-e] <local project path> ...
+      %prog [options] <archive url/path> ..."""
+
+    def add_options(self) -> None:
+        self.cmd_opts.add_option(
+            "-w",
+            "--wheel-dir",
+            dest="wheel_dir",
+            metavar="dir",
+            default=os.curdir,
+            help=(
+                "Build wheels into <dir>, where the default is the "
+                "current working directory."
+            ),
+        )
+        self.cmd_opts.add_option(cmdoptions.no_binary())
+        self.cmd_opts.add_option(cmdoptions.only_binary())
+        self.cmd_opts.add_option(cmdoptions.prefer_binary())
+        self.cmd_opts.add_option(cmdoptions.no_build_isolation())
+        self.cmd_opts.add_option(cmdoptions.use_pep517())
+        self.cmd_opts.add_option(cmdoptions.no_use_pep517())
+        self.cmd_opts.add_option(cmdoptions.check_build_deps())
+        self.cmd_opts.add_option(cmdoptions.constraints())
+        self.cmd_opts.add_option(cmdoptions.editable())
+        self.cmd_opts.add_option(cmdoptions.requirements())
+        self.cmd_opts.add_option(cmdoptions.src())
+        self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+        self.cmd_opts.add_option(cmdoptions.no_deps())
+        self.cmd_opts.add_option(cmdoptions.progress_bar())
+
+        self.cmd_opts.add_option(
+            "--no-verify",
+            dest="no_verify",
+            action="store_true",
+            default=False,
+            help="Don't verify if built wheel is valid.",
+        )
+
+        self.cmd_opts.add_option(cmdoptions.config_settings())
+        self.cmd_opts.add_option(cmdoptions.build_options())
+        self.cmd_opts.add_option(cmdoptions.global_options())
+
+        self.cmd_opts.add_option(
+            "--pre",
+            action="store_true",
+            default=False,
+            help=(
+                "Include pre-release and development versions. By default, "
+                "pip only finds stable versions."
+            ),
+        )
+
+        self.cmd_opts.add_option(cmdoptions.require_hashes())
+
+        index_opts = cmdoptions.make_option_group(
+            cmdoptions.index_group,
+            self.parser,
+        )
+
+        self.parser.insert_option_group(0, index_opts)
+        self.parser.insert_option_group(0, self.cmd_opts)
+
+    @with_cleanup
+    def run(self, options: Values, args: List[str]) -> int:
+        session = self.get_default_session(options)
+
+        finder = self._build_package_finder(options, session)
+
+        options.wheel_dir = normalize_path(options.wheel_dir)
+        ensure_dir(options.wheel_dir)
+
+        build_tracker = self.enter_context(get_build_tracker())
+
+        directory = TempDirectory(
+            delete=not options.no_clean,
+            kind="wheel",
+            globally_managed=True,
+        )
+
+        reqs = self.get_requirements(args, options, finder, session)
+        check_legacy_setup_py_options(options, reqs)
+
+        wheel_cache = WheelCache(options.cache_dir)
+
+        preparer = self.make_requirement_preparer(
+            temp_build_dir=directory,
+            options=options,
+            build_tracker=build_tracker,
+            session=session,
+            finder=finder,
+            download_dir=options.wheel_dir,
+            use_user_site=False,
+            verbosity=self.verbosity,
+        )
+
+        resolver = self.make_resolver(
+            preparer=preparer,
+            finder=finder,
+            options=options,
+            wheel_cache=wheel_cache,
+            ignore_requires_python=options.ignore_requires_python,
+            use_pep517=options.use_pep517,
+        )
+
+        self.trace_basic_info(finder)
+
+        requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
+
+        reqs_to_build: List[InstallRequirement] = []
+        for req in requirement_set.requirements.values():
+            if req.is_wheel:
+                preparer.save_linked_requirement(req)
+            elif should_build_for_wheel_command(req):
+                reqs_to_build.append(req)
+
+        preparer.prepare_linked_requirements_more(requirement_set.requirements.values())
+        requirement_set.warn_legacy_versions_and_specifiers()
+
+        # build wheels
+        build_successes, build_failures = build(
+            reqs_to_build,
+            wheel_cache=wheel_cache,
+            verify=(not options.no_verify),
+            build_options=options.build_options or [],
+            global_options=options.global_options or [],
+        )
+        for req in build_successes:
+            assert req.link and req.link.is_wheel
+            assert req.local_file_path
+            # copy from cache to target directory
+            try:
+                shutil.copy(req.local_file_path, options.wheel_dir)
+            except OSError as e:
+                logger.warning(
+                    "Building wheel for %s failed: %s",
+                    req.name,
+                    e,
+                )
+                build_failures.append(req)
+        if len(build_failures) != 0:
+            raise CommandError("Failed to build one or more wheels")
+
+        return SUCCESS
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/configuration.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/configuration.py
new file mode 100644
index 00000000..c25273d5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/configuration.py
@@ -0,0 +1,383 @@
+"""Configuration management setup
+
+Some terminology:
+- name
+  As written in config files.
+- value
+  Value associated with a name
+- key
+  Name combined with it's section (section.name)
+- variant
+  A single word describing where the configuration key-value pair came from
+"""
+
+import configparser
+import locale
+import os
+import sys
+from typing import Any, Dict, Iterable, List, NewType, Optional, Tuple
+
+from pip._internal.exceptions import (
+    ConfigurationError,
+    ConfigurationFileCouldNotBeLoaded,
+)
+from pip._internal.utils import appdirs
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.logging import getLogger
+from pip._internal.utils.misc import ensure_dir, enum
+
+RawConfigParser = configparser.RawConfigParser  # Shorthand
+Kind = NewType("Kind", str)
+
+CONFIG_BASENAME = "pip.ini" if WINDOWS else "pip.conf"
+ENV_NAMES_IGNORED = "version", "help"
+
+# The kinds of configurations there are.
+kinds = enum(
+    USER="user",  # User Specific
+    GLOBAL="global",  # System Wide
+    SITE="site",  # [Virtual] Environment Specific
+    ENV="env",  # from PIP_CONFIG_FILE
+    ENV_VAR="env-var",  # from Environment Variables
+)
+OVERRIDE_ORDER = kinds.GLOBAL, kinds.USER, kinds.SITE, kinds.ENV, kinds.ENV_VAR
+VALID_LOAD_ONLY = kinds.USER, kinds.GLOBAL, kinds.SITE
+
+logger = getLogger(__name__)
+
+
+# NOTE: Maybe use the optionx attribute to normalize keynames.
+def _normalize_name(name: str) -> str:
+    """Make a name consistent regardless of source (environment or file)"""
+    name = name.lower().replace("_", "-")
+    if name.startswith("--"):
+        name = name[2:]  # only prefer long opts
+    return name
+
+
+def _disassemble_key(name: str) -> List[str]:
+    if "." not in name:
+        error_message = (
+            "Key does not contain dot separated section and key. "
+            f"Perhaps you wanted to use 'global.{name}' instead?"
+        )
+        raise ConfigurationError(error_message)
+    return name.split(".", 1)
+
+
+def get_configuration_files() -> Dict[Kind, List[str]]:
+    global_config_files = [
+        os.path.join(path, CONFIG_BASENAME) for path in appdirs.site_config_dirs("pip")
+    ]
+
+    site_config_file = os.path.join(sys.prefix, CONFIG_BASENAME)
+    legacy_config_file = os.path.join(
+        os.path.expanduser("~"),
+        "pip" if WINDOWS else ".pip",
+        CONFIG_BASENAME,
+    )
+    new_config_file = os.path.join(appdirs.user_config_dir("pip"), CONFIG_BASENAME)
+    return {
+        kinds.GLOBAL: global_config_files,
+        kinds.SITE: [site_config_file],
+        kinds.USER: [legacy_config_file, new_config_file],
+    }
+
+
+class Configuration:
+    """Handles management of configuration.
+
+    Provides an interface to accessing and managing configuration files.
+
+    This class converts provides an API that takes "section.key-name" style
+    keys and stores the value associated with it as "key-name" under the
+    section "section".
+
+    This allows for a clean interface wherein the both the section and the
+    key-name are preserved in an easy to manage form in the configuration files
+    and the data stored is also nice.
+    """
+
+    def __init__(self, isolated: bool, load_only: Optional[Kind] = None) -> None:
+        super().__init__()
+
+        if load_only is not None and load_only not in VALID_LOAD_ONLY:
+            raise ConfigurationError(
+                "Got invalid value for load_only - should be one of {}".format(
+                    ", ".join(map(repr, VALID_LOAD_ONLY))
+                )
+            )
+        self.isolated = isolated
+        self.load_only = load_only
+
+        # Because we keep track of where we got the data from
+        self._parsers: Dict[Kind, List[Tuple[str, RawConfigParser]]] = {
+            variant: [] for variant in OVERRIDE_ORDER
+        }
+        self._config: Dict[Kind, Dict[str, Any]] = {
+            variant: {} for variant in OVERRIDE_ORDER
+        }
+        self._modified_parsers: List[Tuple[str, RawConfigParser]] = []
+
+    def load(self) -> None:
+        """Loads configuration from configuration files and environment"""
+        self._load_config_files()
+        if not self.isolated:
+            self._load_environment_vars()
+
+    def get_file_to_edit(self) -> Optional[str]:
+        """Returns the file with highest priority in configuration"""
+        assert self.load_only is not None, "Need to be specified a file to be editing"
+
+        try:
+            return self._get_parser_to_modify()[0]
+        except IndexError:
+            return None
+
+    def items(self) -> Iterable[Tuple[str, Any]]:
+        """Returns key-value pairs like dict.items() representing the loaded
+        configuration
+        """
+        return self._dictionary.items()
+
+    def get_value(self, key: str) -> Any:
+        """Get a value from the configuration."""
+        orig_key = key
+        key = _normalize_name(key)
+        try:
+            return self._dictionary[key]
+        except KeyError:
+            # disassembling triggers a more useful error message than simply
+            # "No such key" in the case that the key isn't in the form command.option
+            _disassemble_key(key)
+            raise ConfigurationError(f"No such key - {orig_key}")
+
+    def set_value(self, key: str, value: Any) -> None:
+        """Modify a value in the configuration."""
+        key = _normalize_name(key)
+        self._ensure_have_load_only()
+
+        assert self.load_only
+        fname, parser = self._get_parser_to_modify()
+
+        if parser is not None:
+            section, name = _disassemble_key(key)
+
+            # Modify the parser and the configuration
+            if not parser.has_section(section):
+                parser.add_section(section)
+            parser.set(section, name, value)
+
+        self._config[self.load_only][key] = value
+        self._mark_as_modified(fname, parser)
+
+    def unset_value(self, key: str) -> None:
+        """Unset a value in the configuration."""
+        orig_key = key
+        key = _normalize_name(key)
+        self._ensure_have_load_only()
+
+        assert self.load_only
+        if key not in self._config[self.load_only]:
+            raise ConfigurationError(f"No such key - {orig_key}")
+
+        fname, parser = self._get_parser_to_modify()
+
+        if parser is not None:
+            section, name = _disassemble_key(key)
+            if not (
+                parser.has_section(section) and parser.remove_option(section, name)
+            ):
+                # The option was not removed.
+                raise ConfigurationError(
+                    "Fatal Internal error [id=1]. Please report as a bug."
+                )
+
+            # The section may be empty after the option was removed.
+            if not parser.items(section):
+                parser.remove_section(section)
+            self._mark_as_modified(fname, parser)
+
+        del self._config[self.load_only][key]
+
+    def save(self) -> None:
+        """Save the current in-memory state."""
+        self._ensure_have_load_only()
+
+        for fname, parser in self._modified_parsers:
+            logger.info("Writing to %s", fname)
+
+            # Ensure directory exists.
+            ensure_dir(os.path.dirname(fname))
+
+            # Ensure directory's permission(need to be writeable)
+            try:
+                with open(fname, "w") as f:
+                    parser.write(f)
+            except OSError as error:
+                raise ConfigurationError(
+                    f"An error occurred while writing to the configuration file "
+                    f"{fname}: {error}"
+                )
+
+    #
+    # Private routines
+    #
+
+    def _ensure_have_load_only(self) -> None:
+        if self.load_only is None:
+            raise ConfigurationError("Needed a specific file to be modifying.")
+        logger.debug("Will be working with %s variant only", self.load_only)
+
+    @property
+    def _dictionary(self) -> Dict[str, Any]:
+        """A dictionary representing the loaded configuration."""
+        # NOTE: Dictionaries are not populated if not loaded. So, conditionals
+        #       are not needed here.
+        retval = {}
+
+        for variant in OVERRIDE_ORDER:
+            retval.update(self._config[variant])
+
+        return retval
+
+    def _load_config_files(self) -> None:
+        """Loads configuration from configuration files"""
+        config_files = dict(self.iter_config_files())
+        if config_files[kinds.ENV][0:1] == [os.devnull]:
+            logger.debug(
+                "Skipping loading configuration files due to "
+                "environment's PIP_CONFIG_FILE being os.devnull"
+            )
+            return
+
+        for variant, files in config_files.items():
+            for fname in files:
+                # If there's specific variant set in `load_only`, load only
+                # that variant, not the others.
+                if self.load_only is not None and variant != self.load_only:
+                    logger.debug("Skipping file '%s' (variant: %s)", fname, variant)
+                    continue
+
+                parser = self._load_file(variant, fname)
+
+                # Keeping track of the parsers used
+                self._parsers[variant].append((fname, parser))
+
+    def _load_file(self, variant: Kind, fname: str) -> RawConfigParser:
+        logger.verbose("For variant '%s', will try loading '%s'", variant, fname)
+        parser = self._construct_parser(fname)
+
+        for section in parser.sections():
+            items = parser.items(section)
+            self._config[variant].update(self._normalized_keys(section, items))
+
+        return parser
+
+    def _construct_parser(self, fname: str) -> RawConfigParser:
+        parser = configparser.RawConfigParser()
+        # If there is no such file, don't bother reading it but create the
+        # parser anyway, to hold the data.
+        # Doing this is useful when modifying and saving files, where we don't
+        # need to construct a parser.
+        if os.path.exists(fname):
+            locale_encoding = locale.getpreferredencoding(False)
+            try:
+                parser.read(fname, encoding=locale_encoding)
+            except UnicodeDecodeError:
+                # See https://github.com/pypa/pip/issues/4963
+                raise ConfigurationFileCouldNotBeLoaded(
+                    reason=f"contains invalid {locale_encoding} characters",
+                    fname=fname,
+                )
+            except configparser.Error as error:
+                # See https://github.com/pypa/pip/issues/4893
+                raise ConfigurationFileCouldNotBeLoaded(error=error)
+        return parser
+
+    def _load_environment_vars(self) -> None:
+        """Loads configuration from environment variables"""
+        self._config[kinds.ENV_VAR].update(
+            self._normalized_keys(":env:", self.get_environ_vars())
+        )
+
+    def _normalized_keys(
+        self, section: str, items: Iterable[Tuple[str, Any]]
+    ) -> Dict[str, Any]:
+        """Normalizes items to construct a dictionary with normalized keys.
+
+        This routine is where the names become keys and are made the same
+        regardless of source - configuration files or environment.
+        """
+        normalized = {}
+        for name, val in items:
+            key = section + "." + _normalize_name(name)
+            normalized[key] = val
+        return normalized
+
+    def get_environ_vars(self) -> Iterable[Tuple[str, str]]:
+        """Returns a generator with all environmental vars with prefix PIP_"""
+        for key, val in os.environ.items():
+            if key.startswith("PIP_"):
+                name = key[4:].lower()
+                if name not in ENV_NAMES_IGNORED:
+                    yield name, val
+
+    # XXX: This is patched in the tests.
+    def iter_config_files(self) -> Iterable[Tuple[Kind, List[str]]]:
+        """Yields variant and configuration files associated with it.
+
+        This should be treated like items of a dictionary. The order
+        here doesn't affect what gets overridden. That is controlled
+        by OVERRIDE_ORDER. However this does control the order they are
+        displayed to the user. It's probably most ergononmic to display
+        things in the same order as OVERRIDE_ORDER
+        """
+        # SMELL: Move the conditions out of this function
+
+        env_config_file = os.environ.get("PIP_CONFIG_FILE", None)
+        config_files = get_configuration_files()
+
+        yield kinds.GLOBAL, config_files[kinds.GLOBAL]
+
+        # per-user config is not loaded when env_config_file exists
+        should_load_user_config = not self.isolated and not (
+            env_config_file and os.path.exists(env_config_file)
+        )
+        if should_load_user_config:
+            # The legacy config file is overridden by the new config file
+            yield kinds.USER, config_files[kinds.USER]
+
+        # virtualenv config
+        yield kinds.SITE, config_files[kinds.SITE]
+
+        if env_config_file is not None:
+            yield kinds.ENV, [env_config_file]
+        else:
+            yield kinds.ENV, []
+
+    def get_values_in_config(self, variant: Kind) -> Dict[str, Any]:
+        """Get values present in a config file"""
+        return self._config[variant]
+
+    def _get_parser_to_modify(self) -> Tuple[str, RawConfigParser]:
+        # Determine which parser to modify
+        assert self.load_only
+        parsers = self._parsers[self.load_only]
+        if not parsers:
+            # This should not happen if everything works correctly.
+            raise ConfigurationError(
+                "Fatal Internal error [id=2]. Please report as a bug."
+            )
+
+        # Use the highest priority parser.
+        return parsers[-1]
+
+    # XXX: This is patched in the tests.
+    def _mark_as_modified(self, fname: str, parser: RawConfigParser) -> None:
+        file_parser_tuple = (fname, parser)
+        if file_parser_tuple not in self._modified_parsers:
+            self._modified_parsers.append(file_parser_tuple)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self._dictionary!r})"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/__init__.py
new file mode 100644
index 00000000..9a89a838
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/__init__.py
@@ -0,0 +1,21 @@
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.distributions.sdist import SourceDistribution
+from pip._internal.distributions.wheel import WheelDistribution
+from pip._internal.req.req_install import InstallRequirement
+
+
+def make_distribution_for_install_requirement(
+    install_req: InstallRequirement,
+) -> AbstractDistribution:
+    """Returns a Distribution for the given InstallRequirement"""
+    # Editable requirements will always be source distributions. They use the
+    # legacy logic until we create a modern standard for them.
+    if install_req.editable:
+        return SourceDistribution(install_req)
+
+    # If it's a wheel, it's a WheelDistribution
+    if install_req.is_wheel:
+        return WheelDistribution(install_req)
+
+    # Otherwise, a SourceDistribution
+    return SourceDistribution(install_req)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/__pycache__/wheel.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/__pycache__/wheel.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/base.py
new file mode 100644
index 00000000..6fb0d7b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/base.py
@@ -0,0 +1,51 @@
+import abc
+from typing import Optional
+
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata.base import BaseDistribution
+from pip._internal.req import InstallRequirement
+
+
+class AbstractDistribution(metaclass=abc.ABCMeta):
+    """A base class for handling installable artifacts.
+
+    The requirements for anything installable are as follows:
+
+     - we must be able to determine the requirement name
+       (or we can't correctly handle the non-upgrade case).
+
+     - for packages with setup requirements, we must also be able
+       to determine their requirements without installing additional
+       packages (for the same reason as run-time dependencies)
+
+     - we must be able to create a Distribution object exposing the
+       above metadata.
+
+     - if we need to do work in the build tracker, we must be able to generate a unique
+       string to identify the requirement in the build tracker.
+    """
+
+    def __init__(self, req: InstallRequirement) -> None:
+        super().__init__()
+        self.req = req
+
+    @abc.abstractproperty
+    def build_tracker_id(self) -> Optional[str]:
+        """A string that uniquely identifies this requirement to the build tracker.
+
+        If None, then this dist has no work to do in the build tracker, and
+        ``.prepare_distribution_metadata()`` will not be called."""
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def get_metadata_distribution(self) -> BaseDistribution:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def prepare_distribution_metadata(
+        self,
+        finder: PackageFinder,
+        build_isolation: bool,
+        check_build_deps: bool,
+    ) -> None:
+        raise NotImplementedError()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/installed.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/installed.py
new file mode 100644
index 00000000..ab8d53be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/installed.py
@@ -0,0 +1,29 @@
+from typing import Optional
+
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution
+
+
+class InstalledDistribution(AbstractDistribution):
+    """Represents an installed package.
+
+    This does not need any preparation as the required information has already
+    been computed.
+    """
+
+    @property
+    def build_tracker_id(self) -> Optional[str]:
+        return None
+
+    def get_metadata_distribution(self) -> BaseDistribution:
+        assert self.req.satisfied_by is not None, "not actually installed"
+        return self.req.satisfied_by
+
+    def prepare_distribution_metadata(
+        self,
+        finder: PackageFinder,
+        build_isolation: bool,
+        check_build_deps: bool,
+    ) -> None:
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/sdist.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/sdist.py
new file mode 100644
index 00000000..15ff42b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/sdist.py
@@ -0,0 +1,156 @@
+import logging
+from typing import Iterable, Optional, Set, Tuple
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.exceptions import InstallationError
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution
+from pip._internal.utils.subprocess import runner_with_spinner_message
+
+logger = logging.getLogger(__name__)
+
+
+class SourceDistribution(AbstractDistribution):
+    """Represents a source distribution.
+
+    The preparation step for these needs metadata for the packages to be
+    generated, either using PEP 517 or using the legacy `setup.py egg_info`.
+    """
+
+    @property
+    def build_tracker_id(self) -> Optional[str]:
+        """Identify this requirement uniquely by its link."""
+        assert self.req.link
+        return self.req.link.url_without_fragment
+
+    def get_metadata_distribution(self) -> BaseDistribution:
+        return self.req.get_dist()
+
+    def prepare_distribution_metadata(
+        self,
+        finder: PackageFinder,
+        build_isolation: bool,
+        check_build_deps: bool,
+    ) -> None:
+        # Load pyproject.toml, to determine whether PEP 517 is to be used
+        self.req.load_pyproject_toml()
+
+        # Set up the build isolation, if this requirement should be isolated
+        should_isolate = self.req.use_pep517 and build_isolation
+        if should_isolate:
+            # Setup an isolated environment and install the build backend static
+            # requirements in it.
+            self._prepare_build_backend(finder)
+            # Check that if the requirement is editable, it either supports PEP 660 or
+            # has a setup.py or a setup.cfg. This cannot be done earlier because we need
+            # to setup the build backend to verify it supports build_editable, nor can
+            # it be done later, because we want to avoid installing build requirements
+            # needlessly. Doing it here also works around setuptools generating
+            # UNKNOWN.egg-info when running get_requires_for_build_wheel on a directory
+            # without setup.py nor setup.cfg.
+            self.req.isolated_editable_sanity_check()
+            # Install the dynamic build requirements.
+            self._install_build_reqs(finder)
+        # Check if the current environment provides build dependencies
+        should_check_deps = self.req.use_pep517 and check_build_deps
+        if should_check_deps:
+            pyproject_requires = self.req.pyproject_requires
+            assert pyproject_requires is not None
+            conflicting, missing = self.req.build_env.check_requirements(
+                pyproject_requires
+            )
+            if conflicting:
+                self._raise_conflicts("the backend dependencies", conflicting)
+            if missing:
+                self._raise_missing_reqs(missing)
+        self.req.prepare_metadata()
+
+    def _prepare_build_backend(self, finder: PackageFinder) -> None:
+        # Isolate in a BuildEnvironment and install the build-time
+        # requirements.
+        pyproject_requires = self.req.pyproject_requires
+        assert pyproject_requires is not None
+
+        self.req.build_env = BuildEnvironment()
+        self.req.build_env.install_requirements(
+            finder, pyproject_requires, "overlay", kind="build dependencies"
+        )
+        conflicting, missing = self.req.build_env.check_requirements(
+            self.req.requirements_to_check
+        )
+        if conflicting:
+            self._raise_conflicts("PEP 517/518 supported requirements", conflicting)
+        if missing:
+            logger.warning(
+                "Missing build requirements in pyproject.toml for %s.",
+                self.req,
+            )
+            logger.warning(
+                "The project does not specify a build backend, and "
+                "pip cannot fall back to setuptools without %s.",
+                " and ".join(map(repr, sorted(missing))),
+            )
+
+    def _get_build_requires_wheel(self) -> Iterable[str]:
+        with self.req.build_env:
+            runner = runner_with_spinner_message("Getting requirements to build wheel")
+            backend = self.req.pep517_backend
+            assert backend is not None
+            with backend.subprocess_runner(runner):
+                return backend.get_requires_for_build_wheel()
+
+    def _get_build_requires_editable(self) -> Iterable[str]:
+        with self.req.build_env:
+            runner = runner_with_spinner_message(
+                "Getting requirements to build editable"
+            )
+            backend = self.req.pep517_backend
+            assert backend is not None
+            with backend.subprocess_runner(runner):
+                return backend.get_requires_for_build_editable()
+
+    def _install_build_reqs(self, finder: PackageFinder) -> None:
+        # Install any extra build dependencies that the backend requests.
+        # This must be done in a second pass, as the pyproject.toml
+        # dependencies must be installed before we can call the backend.
+        if (
+            self.req.editable
+            and self.req.permit_editable_wheels
+            and self.req.supports_pyproject_editable()
+        ):
+            build_reqs = self._get_build_requires_editable()
+        else:
+            build_reqs = self._get_build_requires_wheel()
+        conflicting, missing = self.req.build_env.check_requirements(build_reqs)
+        if conflicting:
+            self._raise_conflicts("the backend dependencies", conflicting)
+        self.req.build_env.install_requirements(
+            finder, missing, "normal", kind="backend dependencies"
+        )
+
+    def _raise_conflicts(
+        self, conflicting_with: str, conflicting_reqs: Set[Tuple[str, str]]
+    ) -> None:
+        format_string = (
+            "Some build dependencies for {requirement} "
+            "conflict with {conflicting_with}: {description}."
+        )
+        error_message = format_string.format(
+            requirement=self.req,
+            conflicting_with=conflicting_with,
+            description=", ".join(
+                f"{installed} is incompatible with {wanted}"
+                for installed, wanted in sorted(conflicting_reqs)
+            ),
+        )
+        raise InstallationError(error_message)
+
+    def _raise_missing_reqs(self, missing: Set[str]) -> None:
+        format_string = (
+            "Some build dependencies for {requirement} are missing: {missing}."
+        )
+        error_message = format_string.format(
+            requirement=self.req, missing=", ".join(map(repr, sorted(missing)))
+        )
+        raise InstallationError(error_message)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/wheel.py
new file mode 100644
index 00000000..eb16e25c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/distributions/wheel.py
@@ -0,0 +1,40 @@
+from typing import Optional
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import (
+    BaseDistribution,
+    FilesystemWheel,
+    get_wheel_distribution,
+)
+
+
+class WheelDistribution(AbstractDistribution):
+    """Represents a wheel distribution.
+
+    This does not need any preparation as wheels can be directly unpacked.
+    """
+
+    @property
+    def build_tracker_id(self) -> Optional[str]:
+        return None
+
+    def get_metadata_distribution(self) -> BaseDistribution:
+        """Loads the metadata from the wheel file into memory and returns a
+        Distribution that uses it, not relying on the wheel file or
+        requirement.
+        """
+        assert self.req.local_file_path, "Set as part of preparation during download"
+        assert self.req.name, "Wheels are never unnamed"
+        wheel = FilesystemWheel(self.req.local_file_path)
+        return get_wheel_distribution(wheel, canonicalize_name(self.req.name))
+
+    def prepare_distribution_metadata(
+        self,
+        finder: PackageFinder,
+        build_isolation: bool,
+        check_build_deps: bool,
+    ) -> None:
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/exceptions.py
new file mode 100644
index 00000000..5007a622
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/exceptions.py
@@ -0,0 +1,728 @@
+"""Exceptions used throughout package.
+
+This module MUST NOT try to import from anything within `pip._internal` to
+operate. This is expected to be importable from any/all files within the
+subpackage and, thus, should not depend on them.
+"""
+
+import configparser
+import contextlib
+import locale
+import logging
+import pathlib
+import re
+import sys
+from itertools import chain, groupby, repeat
+from typing import TYPE_CHECKING, Dict, Iterator, List, Optional, Union
+
+from pip._vendor.requests.models import Request, Response
+from pip._vendor.rich.console import Console, ConsoleOptions, RenderResult
+from pip._vendor.rich.markup import escape
+from pip._vendor.rich.text import Text
+
+if TYPE_CHECKING:
+    from hashlib import _Hash
+    from typing import Literal
+
+    from pip._internal.metadata import BaseDistribution
+    from pip._internal.req.req_install import InstallRequirement
+
+logger = logging.getLogger(__name__)
+
+
+#
+# Scaffolding
+#
+def _is_kebab_case(s: str) -> bool:
+    return re.match(r"^[a-z]+(-[a-z]+)*$", s) is not None
+
+
+def _prefix_with_indent(
+    s: Union[Text, str],
+    console: Console,
+    *,
+    prefix: str,
+    indent: str,
+) -> Text:
+    if isinstance(s, Text):
+        text = s
+    else:
+        text = console.render_str(s)
+
+    return console.render_str(prefix, overflow="ignore") + console.render_str(
+        f"\n{indent}", overflow="ignore"
+    ).join(text.split(allow_blank=True))
+
+
+class PipError(Exception):
+    """The base pip error."""
+
+
+class DiagnosticPipError(PipError):
+    """An error, that presents diagnostic information to the user.
+
+    This contains a bunch of logic, to enable pretty presentation of our error
+    messages. Each error gets a unique reference. Each error can also include
+    additional context, a hint and/or a note -- which are presented with the
+    main error message in a consistent style.
+
+    This is adapted from the error output styling in `sphinx-theme-builder`.
+    """
+
+    reference: str
+
+    def __init__(
+        self,
+        *,
+        kind: 'Literal["error", "warning"]' = "error",
+        reference: Optional[str] = None,
+        message: Union[str, Text],
+        context: Optional[Union[str, Text]],
+        hint_stmt: Optional[Union[str, Text]],
+        note_stmt: Optional[Union[str, Text]] = None,
+        link: Optional[str] = None,
+    ) -> None:
+        # Ensure a proper reference is provided.
+        if reference is None:
+            assert hasattr(self, "reference"), "error reference not provided!"
+            reference = self.reference
+        assert _is_kebab_case(reference), "error reference must be kebab-case!"
+
+        self.kind = kind
+        self.reference = reference
+
+        self.message = message
+        self.context = context
+
+        self.note_stmt = note_stmt
+        self.hint_stmt = hint_stmt
+
+        self.link = link
+
+        super().__init__(f"<{self.__class__.__name__}: {self.reference}>")
+
+    def __repr__(self) -> str:
+        return (
+            f"<{self.__class__.__name__}("
+            f"reference={self.reference!r}, "
+            f"message={self.message!r}, "
+            f"context={self.context!r}, "
+            f"note_stmt={self.note_stmt!r}, "
+            f"hint_stmt={self.hint_stmt!r}"
+            ")>"
+        )
+
+    def __rich_console__(
+        self,
+        console: Console,
+        options: ConsoleOptions,
+    ) -> RenderResult:
+        colour = "red" if self.kind == "error" else "yellow"
+
+        yield f"[{colour} bold]{self.kind}[/]: [bold]{self.reference}[/]"
+        yield ""
+
+        if not options.ascii_only:
+            # Present the main message, with relevant context indented.
+            if self.context is not None:
+                yield _prefix_with_indent(
+                    self.message,
+                    console,
+                    prefix=f"[{colour}]×[/] ",
+                    indent=f"[{colour}]│[/] ",
+                )
+                yield _prefix_with_indent(
+                    self.context,
+                    console,
+                    prefix=f"[{colour}]╰─>[/] ",
+                    indent=f"[{colour}]   [/] ",
+                )
+            else:
+                yield _prefix_with_indent(
+                    self.message,
+                    console,
+                    prefix="[red]×[/] ",
+                    indent="  ",
+                )
+        else:
+            yield self.message
+            if self.context is not None:
+                yield ""
+                yield self.context
+
+        if self.note_stmt is not None or self.hint_stmt is not None:
+            yield ""
+
+        if self.note_stmt is not None:
+            yield _prefix_with_indent(
+                self.note_stmt,
+                console,
+                prefix="[magenta bold]note[/]: ",
+                indent="      ",
+            )
+        if self.hint_stmt is not None:
+            yield _prefix_with_indent(
+                self.hint_stmt,
+                console,
+                prefix="[cyan bold]hint[/]: ",
+                indent="      ",
+            )
+
+        if self.link is not None:
+            yield ""
+            yield f"Link: {self.link}"
+
+
+#
+# Actual Errors
+#
+class ConfigurationError(PipError):
+    """General exception in configuration"""
+
+
+class InstallationError(PipError):
+    """General exception during installation"""
+
+
+class UninstallationError(PipError):
+    """General exception during uninstallation"""
+
+
+class MissingPyProjectBuildRequires(DiagnosticPipError):
+    """Raised when pyproject.toml has `build-system`, but no `build-system.requires`."""
+
+    reference = "missing-pyproject-build-system-requires"
+
+    def __init__(self, *, package: str) -> None:
+        super().__init__(
+            message=f"Can not process {escape(package)}",
+            context=Text(
+                "This package has an invalid pyproject.toml file.\n"
+                "The [build-system] table is missing the mandatory `requires` key."
+            ),
+            note_stmt="This is an issue with the package mentioned above, not pip.",
+            hint_stmt=Text("See PEP 518 for the detailed specification."),
+        )
+
+
+class InvalidPyProjectBuildRequires(DiagnosticPipError):
+    """Raised when pyproject.toml an invalid `build-system.requires`."""
+
+    reference = "invalid-pyproject-build-system-requires"
+
+    def __init__(self, *, package: str, reason: str) -> None:
+        super().__init__(
+            message=f"Can not process {escape(package)}",
+            context=Text(
+                "This package has an invalid `build-system.requires` key in "
+                f"pyproject.toml.\n{reason}"
+            ),
+            note_stmt="This is an issue with the package mentioned above, not pip.",
+            hint_stmt=Text("See PEP 518 for the detailed specification."),
+        )
+
+
+class NoneMetadataError(PipError):
+    """Raised when accessing a Distribution's "METADATA" or "PKG-INFO".
+
+    This signifies an inconsistency, when the Distribution claims to have
+    the metadata file (if not, raise ``FileNotFoundError`` instead), but is
+    not actually able to produce its content. This may be due to permission
+    errors.
+    """
+
+    def __init__(
+        self,
+        dist: "BaseDistribution",
+        metadata_name: str,
+    ) -> None:
+        """
+        :param dist: A Distribution object.
+        :param metadata_name: The name of the metadata being accessed
+            (can be "METADATA" or "PKG-INFO").
+        """
+        self.dist = dist
+        self.metadata_name = metadata_name
+
+    def __str__(self) -> str:
+        # Use `dist` in the error message because its stringification
+        # includes more information, like the version and location.
+        return f"None {self.metadata_name} metadata found for distribution: {self.dist}"
+
+
+class UserInstallationInvalid(InstallationError):
+    """A --user install is requested on an environment without user site."""
+
+    def __str__(self) -> str:
+        return "User base directory is not specified"
+
+
+class InvalidSchemeCombination(InstallationError):
+    def __str__(self) -> str:
+        before = ", ".join(str(a) for a in self.args[:-1])
+        return f"Cannot set {before} and {self.args[-1]} together"
+
+
+class DistributionNotFound(InstallationError):
+    """Raised when a distribution cannot be found to satisfy a requirement"""
+
+
+class RequirementsFileParseError(InstallationError):
+    """Raised when a general error occurs parsing a requirements file line."""
+
+
+class BestVersionAlreadyInstalled(PipError):
+    """Raised when the most up-to-date version of a package is already
+    installed."""
+
+
+class BadCommand(PipError):
+    """Raised when virtualenv or a command is not found"""
+
+
+class CommandError(PipError):
+    """Raised when there is an error in command-line arguments"""
+
+
+class PreviousBuildDirError(PipError):
+    """Raised when there's a previous conflicting build directory"""
+
+
+class NetworkConnectionError(PipError):
+    """HTTP connection error"""
+
+    def __init__(
+        self,
+        error_msg: str,
+        response: Optional[Response] = None,
+        request: Optional[Request] = None,
+    ) -> None:
+        """
+        Initialize NetworkConnectionError with  `request` and `response`
+        objects.
+        """
+        self.response = response
+        self.request = request
+        self.error_msg = error_msg
+        if (
+            self.response is not None
+            and not self.request
+            and hasattr(response, "request")
+        ):
+            self.request = self.response.request
+        super().__init__(error_msg, response, request)
+
+    def __str__(self) -> str:
+        return str(self.error_msg)
+
+
+class InvalidWheelFilename(InstallationError):
+    """Invalid wheel filename."""
+
+
+class UnsupportedWheel(InstallationError):
+    """Unsupported wheel."""
+
+
+class InvalidWheel(InstallationError):
+    """Invalid (e.g. corrupt) wheel."""
+
+    def __init__(self, location: str, name: str):
+        self.location = location
+        self.name = name
+
+    def __str__(self) -> str:
+        return f"Wheel '{self.name}' located at {self.location} is invalid."
+
+
+class MetadataInconsistent(InstallationError):
+    """Built metadata contains inconsistent information.
+
+    This is raised when the metadata contains values (e.g. name and version)
+    that do not match the information previously obtained from sdist filename,
+    user-supplied ``#egg=`` value, or an install requirement name.
+    """
+
+    def __init__(
+        self, ireq: "InstallRequirement", field: str, f_val: str, m_val: str
+    ) -> None:
+        self.ireq = ireq
+        self.field = field
+        self.f_val = f_val
+        self.m_val = m_val
+
+    def __str__(self) -> str:
+        return (
+            f"Requested {self.ireq} has inconsistent {self.field}: "
+            f"expected {self.f_val!r}, but metadata has {self.m_val!r}"
+        )
+
+
+class InstallationSubprocessError(DiagnosticPipError, InstallationError):
+    """A subprocess call failed."""
+
+    reference = "subprocess-exited-with-error"
+
+    def __init__(
+        self,
+        *,
+        command_description: str,
+        exit_code: int,
+        output_lines: Optional[List[str]],
+    ) -> None:
+        if output_lines is None:
+            output_prompt = Text("See above for output.")
+        else:
+            output_prompt = (
+                Text.from_markup(f"[red][{len(output_lines)} lines of output][/]\n")
+                + Text("".join(output_lines))
+                + Text.from_markup(R"[red]\[end of output][/]")
+            )
+
+        super().__init__(
+            message=(
+                f"[green]{escape(command_description)}[/] did not run successfully.\n"
+                f"exit code: {exit_code}"
+            ),
+            context=output_prompt,
+            hint_stmt=None,
+            note_stmt=(
+                "This error originates from a subprocess, and is likely not a "
+                "problem with pip."
+            ),
+        )
+
+        self.command_description = command_description
+        self.exit_code = exit_code
+
+    def __str__(self) -> str:
+        return f"{self.command_description} exited with {self.exit_code}"
+
+
+class MetadataGenerationFailed(InstallationSubprocessError, InstallationError):
+    reference = "metadata-generation-failed"
+
+    def __init__(
+        self,
+        *,
+        package_details: str,
+    ) -> None:
+        super(InstallationSubprocessError, self).__init__(
+            message="Encountered error while generating package metadata.",
+            context=escape(package_details),
+            hint_stmt="See above for details.",
+            note_stmt="This is an issue with the package mentioned above, not pip.",
+        )
+
+    def __str__(self) -> str:
+        return "metadata generation failed"
+
+
+class HashErrors(InstallationError):
+    """Multiple HashError instances rolled into one for reporting"""
+
+    def __init__(self) -> None:
+        self.errors: List["HashError"] = []
+
+    def append(self, error: "HashError") -> None:
+        self.errors.append(error)
+
+    def __str__(self) -> str:
+        lines = []
+        self.errors.sort(key=lambda e: e.order)
+        for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__):
+            lines.append(cls.head)
+            lines.extend(e.body() for e in errors_of_cls)
+        if lines:
+            return "\n".join(lines)
+        return ""
+
+    def __bool__(self) -> bool:
+        return bool(self.errors)
+
+
+class HashError(InstallationError):
+    """
+    A failure to verify a package against known-good hashes
+
+    :cvar order: An int sorting hash exception classes by difficulty of
+        recovery (lower being harder), so the user doesn't bother fretting
+        about unpinned packages when he has deeper issues, like VCS
+        dependencies, to deal with. Also keeps error reports in a
+        deterministic order.
+    :cvar head: A section heading for display above potentially many
+        exceptions of this kind
+    :ivar req: The InstallRequirement that triggered this error. This is
+        pasted on after the exception is instantiated, because it's not
+        typically available earlier.
+
+    """
+
+    req: Optional["InstallRequirement"] = None
+    head = ""
+    order: int = -1
+
+    def body(self) -> str:
+        """Return a summary of me for display under the heading.
+
+        This default implementation simply prints a description of the
+        triggering requirement.
+
+        :param req: The InstallRequirement that provoked this error, with
+            its link already populated by the resolver's _populate_link().
+
+        """
+        return f"    {self._requirement_name()}"
+
+    def __str__(self) -> str:
+        return f"{self.head}\n{self.body()}"
+
+    def _requirement_name(self) -> str:
+        """Return a description of the requirement that triggered me.
+
+        This default implementation returns long description of the req, with
+        line numbers
+
+        """
+        return str(self.req) if self.req else "unknown package"
+
+
+class VcsHashUnsupported(HashError):
+    """A hash was provided for a version-control-system-based requirement, but
+    we don't have a method for hashing those."""
+
+    order = 0
+    head = (
+        "Can't verify hashes for these requirements because we don't "
+        "have a way to hash version control repositories:"
+    )
+
+
+class DirectoryUrlHashUnsupported(HashError):
+    """A hash was provided for a version-control-system-based requirement, but
+    we don't have a method for hashing those."""
+
+    order = 1
+    head = (
+        "Can't verify hashes for these file:// requirements because they "
+        "point to directories:"
+    )
+
+
+class HashMissing(HashError):
+    """A hash was needed for a requirement but is absent."""
+
+    order = 2
+    head = (
+        "Hashes are required in --require-hashes mode, but they are "
+        "missing from some requirements. Here is a list of those "
+        "requirements along with the hashes their downloaded archives "
+        "actually had. Add lines like these to your requirements files to "
+        "prevent tampering. (If you did not enable --require-hashes "
+        "manually, note that it turns on automatically when any package "
+        "has a hash.)"
+    )
+
+    def __init__(self, gotten_hash: str) -> None:
+        """
+        :param gotten_hash: The hash of the (possibly malicious) archive we
+            just downloaded
+        """
+        self.gotten_hash = gotten_hash
+
+    def body(self) -> str:
+        # Dodge circular import.
+        from pip._internal.utils.hashes import FAVORITE_HASH
+
+        package = None
+        if self.req:
+            # In the case of URL-based requirements, display the original URL
+            # seen in the requirements file rather than the package name,
+            # so the output can be directly copied into the requirements file.
+            package = (
+                self.req.original_link
+                if self.req.is_direct
+                # In case someone feeds something downright stupid
+                # to InstallRequirement's constructor.
+                else getattr(self.req, "req", None)
+            )
+        return "    {} --hash={}:{}".format(
+            package or "unknown package", FAVORITE_HASH, self.gotten_hash
+        )
+
+
+class HashUnpinned(HashError):
+    """A requirement had a hash specified but was not pinned to a specific
+    version."""
+
+    order = 3
+    head = (
+        "In --require-hashes mode, all requirements must have their "
+        "versions pinned with ==. These do not:"
+    )
+
+
+class HashMismatch(HashError):
+    """
+    Distribution file hash values don't match.
+
+    :ivar package_name: The name of the package that triggered the hash
+        mismatch. Feel free to write to this after the exception is raise to
+        improve its error message.
+
+    """
+
+    order = 4
+    head = (
+        "THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS "
+        "FILE. If you have updated the package versions, please update "
+        "the hashes. Otherwise, examine the package contents carefully; "
+        "someone may have tampered with them."
+    )
+
+    def __init__(self, allowed: Dict[str, List[str]], gots: Dict[str, "_Hash"]) -> None:
+        """
+        :param allowed: A dict of algorithm names pointing to lists of allowed
+            hex digests
+        :param gots: A dict of algorithm names pointing to hashes we
+            actually got from the files under suspicion
+        """
+        self.allowed = allowed
+        self.gots = gots
+
+    def body(self) -> str:
+        return f"    {self._requirement_name()}:\n{self._hash_comparison()}"
+
+    def _hash_comparison(self) -> str:
+        """
+        Return a comparison of actual and expected hash values.
+
+        Example::
+
+               Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde
+                            or 123451234512345123451234512345123451234512345
+                    Got        bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef
+
+        """
+
+        def hash_then_or(hash_name: str) -> "chain[str]":
+            # For now, all the decent hashes have 6-char names, so we can get
+            # away with hard-coding space literals.
+            return chain([hash_name], repeat("    or"))
+
+        lines: List[str] = []
+        for hash_name, expecteds in self.allowed.items():
+            prefix = hash_then_or(hash_name)
+            lines.extend((f"        Expected {next(prefix)} {e}") for e in expecteds)
+            lines.append(
+                f"             Got        {self.gots[hash_name].hexdigest()}\n"
+            )
+        return "\n".join(lines)
+
+
+class UnsupportedPythonVersion(InstallationError):
+    """Unsupported python version according to Requires-Python package
+    metadata."""
+
+
+class ConfigurationFileCouldNotBeLoaded(ConfigurationError):
+    """When there are errors while loading a configuration file"""
+
+    def __init__(
+        self,
+        reason: str = "could not be loaded",
+        fname: Optional[str] = None,
+        error: Optional[configparser.Error] = None,
+    ) -> None:
+        super().__init__(error)
+        self.reason = reason
+        self.fname = fname
+        self.error = error
+
+    def __str__(self) -> str:
+        if self.fname is not None:
+            message_part = f" in {self.fname}."
+        else:
+            assert self.error is not None
+            message_part = f".\n{self.error}\n"
+        return f"Configuration file {self.reason}{message_part}"
+
+
+_DEFAULT_EXTERNALLY_MANAGED_ERROR = f"""\
+The Python environment under {sys.prefix} is managed externally, and may not be
+manipulated by the user. Please use specific tooling from the distributor of
+the Python installation to interact with this environment instead.
+"""
+
+
+class ExternallyManagedEnvironment(DiagnosticPipError):
+    """The current environment is externally managed.
+
+    This is raised when the current environment is externally managed, as
+    defined by `PEP 668`_. The ``EXTERNALLY-MANAGED`` configuration is checked
+    and displayed when the error is bubbled up to the user.
+
+    :param error: The error message read from ``EXTERNALLY-MANAGED``.
+    """
+
+    reference = "externally-managed-environment"
+
+    def __init__(self, error: Optional[str]) -> None:
+        if error is None:
+            context = Text(_DEFAULT_EXTERNALLY_MANAGED_ERROR)
+        else:
+            context = Text(error)
+        super().__init__(
+            message="This environment is externally managed",
+            context=context,
+            note_stmt=(
+                "If you believe this is a mistake, please contact your "
+                "Python installation or OS distribution provider. "
+                "You can override this, at the risk of breaking your Python "
+                "installation or OS, by passing --break-system-packages."
+            ),
+            hint_stmt=Text("See PEP 668 for the detailed specification."),
+        )
+
+    @staticmethod
+    def _iter_externally_managed_error_keys() -> Iterator[str]:
+        # LC_MESSAGES is in POSIX, but not the C standard. The most common
+        # platform that does not implement this category is Windows, where
+        # using other categories for console message localization is equally
+        # unreliable, so we fall back to the locale-less vendor message. This
+        # can always be re-evaluated when a vendor proposes a new alternative.
+        try:
+            category = locale.LC_MESSAGES
+        except AttributeError:
+            lang: Optional[str] = None
+        else:
+            lang, _ = locale.getlocale(category)
+        if lang is not None:
+            yield f"Error-{lang}"
+            for sep in ("-", "_"):
+                before, found, _ = lang.partition(sep)
+                if not found:
+                    continue
+                yield f"Error-{before}"
+        yield "Error"
+
+    @classmethod
+    def from_config(
+        cls,
+        config: Union[pathlib.Path, str],
+    ) -> "ExternallyManagedEnvironment":
+        parser = configparser.ConfigParser(interpolation=None)
+        try:
+            parser.read(config, encoding="utf-8")
+            section = parser["externally-managed"]
+            for key in cls._iter_externally_managed_error_keys():
+                with contextlib.suppress(KeyError):
+                    return cls(section[key])
+        except KeyError:
+            pass
+        except (OSError, UnicodeDecodeError, configparser.ParsingError):
+            from pip._internal.utils._log import VERBOSE
+
+            exc_info = logger.isEnabledFor(VERBOSE)
+            logger.warning("Failed to read %s", config, exc_info=exc_info)
+        return cls(None)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/__init__.py
new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/__init__.py
@@ -0,0 +1,2 @@
+"""Index interaction code
+"""
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/__pycache__/sources.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/__pycache__/sources.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/collector.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/collector.py
new file mode 100644
index 00000000..08c8bddc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/collector.py
@@ -0,0 +1,507 @@
+"""
+The main purpose of this module is to expose LinkCollector.collect_sources().
+"""
+
+import collections
+import email.message
+import functools
+import itertools
+import json
+import logging
+import os
+import urllib.parse
+import urllib.request
+from html.parser import HTMLParser
+from optparse import Values
+from typing import (
+    TYPE_CHECKING,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    MutableMapping,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+)
+
+from pip._vendor import requests
+from pip._vendor.requests import Response
+from pip._vendor.requests.exceptions import RetryError, SSLError
+
+from pip._internal.exceptions import NetworkConnectionError
+from pip._internal.models.link import Link
+from pip._internal.models.search_scope import SearchScope
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import raise_for_status
+from pip._internal.utils.filetypes import is_archive_file
+from pip._internal.utils.misc import redact_auth_from_url
+from pip._internal.vcs import vcs
+
+from .sources import CandidatesFromPage, LinkSource, build_source
+
+if TYPE_CHECKING:
+    from typing import Protocol
+else:
+    Protocol = object
+
+logger = logging.getLogger(__name__)
+
+ResponseHeaders = MutableMapping[str, str]
+
+
+def _match_vcs_scheme(url: str) -> Optional[str]:
+    """Look for VCS schemes in the URL.
+
+    Returns the matched VCS scheme, or None if there's no match.
+    """
+    for scheme in vcs.schemes:
+        if url.lower().startswith(scheme) and url[len(scheme)] in "+:":
+            return scheme
+    return None
+
+
+class _NotAPIContent(Exception):
+    def __init__(self, content_type: str, request_desc: str) -> None:
+        super().__init__(content_type, request_desc)
+        self.content_type = content_type
+        self.request_desc = request_desc
+
+
+def _ensure_api_header(response: Response) -> None:
+    """
+    Check the Content-Type header to ensure the response contains a Simple
+    API Response.
+
+    Raises `_NotAPIContent` if the content type is not a valid content-type.
+    """
+    content_type = response.headers.get("Content-Type", "Unknown")
+
+    content_type_l = content_type.lower()
+    if content_type_l.startswith(
+        (
+            "text/html",
+            "application/vnd.pypi.simple.v1+html",
+            "application/vnd.pypi.simple.v1+json",
+        )
+    ):
+        return
+
+    raise _NotAPIContent(content_type, response.request.method)
+
+
+class _NotHTTP(Exception):
+    pass
+
+
+def _ensure_api_response(url: str, session: PipSession) -> None:
+    """
+    Send a HEAD request to the URL, and ensure the response contains a simple
+    API Response.
+
+    Raises `_NotHTTP` if the URL is not available for a HEAD request, or
+    `_NotAPIContent` if the content type is not a valid content type.
+    """
+    scheme, netloc, path, query, fragment = urllib.parse.urlsplit(url)
+    if scheme not in {"http", "https"}:
+        raise _NotHTTP()
+
+    resp = session.head(url, allow_redirects=True)
+    raise_for_status(resp)
+
+    _ensure_api_header(resp)
+
+
+def _get_simple_response(url: str, session: PipSession) -> Response:
+    """Access an Simple API response with GET, and return the response.
+
+    This consists of three parts:
+
+    1. If the URL looks suspiciously like an archive, send a HEAD first to
+       check the Content-Type is HTML or Simple API, to avoid downloading a
+       large file. Raise `_NotHTTP` if the content type cannot be determined, or
+       `_NotAPIContent` if it is not HTML or a Simple API.
+    2. Actually perform the request. Raise HTTP exceptions on network failures.
+    3. Check the Content-Type header to make sure we got a Simple API response,
+       and raise `_NotAPIContent` otherwise.
+    """
+    if is_archive_file(Link(url).filename):
+        _ensure_api_response(url, session=session)
+
+    logger.debug("Getting page %s", redact_auth_from_url(url))
+
+    resp = session.get(
+        url,
+        headers={
+            "Accept": ", ".join(
+                [
+                    "application/vnd.pypi.simple.v1+json",
+                    "application/vnd.pypi.simple.v1+html; q=0.1",
+                    "text/html; q=0.01",
+                ]
+            ),
+            # We don't want to blindly returned cached data for
+            # /simple/, because authors generally expecting that
+            # twine upload && pip install will function, but if
+            # they've done a pip install in the last ~10 minutes
+            # it won't. Thus by setting this to zero we will not
+            # blindly use any cached data, however the benefit of
+            # using max-age=0 instead of no-cache, is that we will
+            # still support conditional requests, so we will still
+            # minimize traffic sent in cases where the page hasn't
+            # changed at all, we will just always incur the round
+            # trip for the conditional GET now instead of only
+            # once per 10 minutes.
+            # For more information, please see pypa/pip#5670.
+            "Cache-Control": "max-age=0",
+        },
+    )
+    raise_for_status(resp)
+
+    # The check for archives above only works if the url ends with
+    # something that looks like an archive. However that is not a
+    # requirement of an url. Unless we issue a HEAD request on every
+    # url we cannot know ahead of time for sure if something is a
+    # Simple API response or not. However we can check after we've
+    # downloaded it.
+    _ensure_api_header(resp)
+
+    logger.debug(
+        "Fetched page %s as %s",
+        redact_auth_from_url(url),
+        resp.headers.get("Content-Type", "Unknown"),
+    )
+
+    return resp
+
+
+def _get_encoding_from_headers(headers: ResponseHeaders) -> Optional[str]:
+    """Determine if we have any encoding information in our headers."""
+    if headers and "Content-Type" in headers:
+        m = email.message.Message()
+        m["content-type"] = headers["Content-Type"]
+        charset = m.get_param("charset")
+        if charset:
+            return str(charset)
+    return None
+
+
+class CacheablePageContent:
+    def __init__(self, page: "IndexContent") -> None:
+        assert page.cache_link_parsing
+        self.page = page
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, type(self)) and self.page.url == other.page.url
+
+    def __hash__(self) -> int:
+        return hash(self.page.url)
+
+
+class ParseLinks(Protocol):
+    def __call__(self, page: "IndexContent") -> Iterable[Link]:
+        ...
+
+
+def with_cached_index_content(fn: ParseLinks) -> ParseLinks:
+    """
+    Given a function that parses an Iterable[Link] from an IndexContent, cache the
+    function's result (keyed by CacheablePageContent), unless the IndexContent
+    `page` has `page.cache_link_parsing == False`.
+    """
+
+    @functools.lru_cache(maxsize=None)
+    def wrapper(cacheable_page: CacheablePageContent) -> List[Link]:
+        return list(fn(cacheable_page.page))
+
+    @functools.wraps(fn)
+    def wrapper_wrapper(page: "IndexContent") -> List[Link]:
+        if page.cache_link_parsing:
+            return wrapper(CacheablePageContent(page))
+        return list(fn(page))
+
+    return wrapper_wrapper
+
+
+@with_cached_index_content
+def parse_links(page: "IndexContent") -> Iterable[Link]:
+    """
+    Parse a Simple API's Index Content, and yield its anchor elements as Link objects.
+    """
+
+    content_type_l = page.content_type.lower()
+    if content_type_l.startswith("application/vnd.pypi.simple.v1+json"):
+        data = json.loads(page.content)
+        for file in data.get("files", []):
+            link = Link.from_json(file, page.url)
+            if link is None:
+                continue
+            yield link
+        return
+
+    parser = HTMLLinkParser(page.url)
+    encoding = page.encoding or "utf-8"
+    parser.feed(page.content.decode(encoding))
+
+    url = page.url
+    base_url = parser.base_url or url
+    for anchor in parser.anchors:
+        link = Link.from_element(anchor, page_url=url, base_url=base_url)
+        if link is None:
+            continue
+        yield link
+
+
+class IndexContent:
+    """Represents one response (or page), along with its URL"""
+
+    def __init__(
+        self,
+        content: bytes,
+        content_type: str,
+        encoding: Optional[str],
+        url: str,
+        cache_link_parsing: bool = True,
+    ) -> None:
+        """
+        :param encoding: the encoding to decode the given content.
+        :param url: the URL from which the HTML was downloaded.
+        :param cache_link_parsing: whether links parsed from this page's url
+                                   should be cached. PyPI index urls should
+                                   have this set to False, for example.
+        """
+        self.content = content
+        self.content_type = content_type
+        self.encoding = encoding
+        self.url = url
+        self.cache_link_parsing = cache_link_parsing
+
+    def __str__(self) -> str:
+        return redact_auth_from_url(self.url)
+
+
+class HTMLLinkParser(HTMLParser):
+    """
+    HTMLParser that keeps the first base HREF and a list of all anchor
+    elements' attributes.
+    """
+
+    def __init__(self, url: str) -> None:
+        super().__init__(convert_charrefs=True)
+
+        self.url: str = url
+        self.base_url: Optional[str] = None
+        self.anchors: List[Dict[str, Optional[str]]] = []
+
+    def handle_starttag(self, tag: str, attrs: List[Tuple[str, Optional[str]]]) -> None:
+        if tag == "base" and self.base_url is None:
+            href = self.get_href(attrs)
+            if href is not None:
+                self.base_url = href
+        elif tag == "a":
+            self.anchors.append(dict(attrs))
+
+    def get_href(self, attrs: List[Tuple[str, Optional[str]]]) -> Optional[str]:
+        for name, value in attrs:
+            if name == "href":
+                return value
+        return None
+
+
+def _handle_get_simple_fail(
+    link: Link,
+    reason: Union[str, Exception],
+    meth: Optional[Callable[..., None]] = None,
+) -> None:
+    if meth is None:
+        meth = logger.debug
+    meth("Could not fetch URL %s: %s - skipping", link, reason)
+
+
+def _make_index_content(
+    response: Response, cache_link_parsing: bool = True
+) -> IndexContent:
+    encoding = _get_encoding_from_headers(response.headers)
+    return IndexContent(
+        response.content,
+        response.headers["Content-Type"],
+        encoding=encoding,
+        url=response.url,
+        cache_link_parsing=cache_link_parsing,
+    )
+
+
+def _get_index_content(link: Link, *, session: PipSession) -> Optional["IndexContent"]:
+    url = link.url.split("#", 1)[0]
+
+    # Check for VCS schemes that do not support lookup as web pages.
+    vcs_scheme = _match_vcs_scheme(url)
+    if vcs_scheme:
+        logger.warning(
+            "Cannot look at %s URL %s because it does not support lookup as web pages.",
+            vcs_scheme,
+            link,
+        )
+        return None
+
+    # Tack index.html onto file:// URLs that point to directories
+    scheme, _, path, _, _, _ = urllib.parse.urlparse(url)
+    if scheme == "file" and os.path.isdir(urllib.request.url2pathname(path)):
+        # add trailing slash if not present so urljoin doesn't trim
+        # final segment
+        if not url.endswith("/"):
+            url += "/"
+        # TODO: In the future, it would be nice if pip supported PEP 691
+        #       style responses in the file:// URLs, however there's no
+        #       standard file extension for application/vnd.pypi.simple.v1+json
+        #       so we'll need to come up with something on our own.
+        url = urllib.parse.urljoin(url, "index.html")
+        logger.debug(" file: URL is directory, getting %s", url)
+
+    try:
+        resp = _get_simple_response(url, session=session)
+    except _NotHTTP:
+        logger.warning(
+            "Skipping page %s because it looks like an archive, and cannot "
+            "be checked by a HTTP HEAD request.",
+            link,
+        )
+    except _NotAPIContent as exc:
+        logger.warning(
+            "Skipping page %s because the %s request got Content-Type: %s. "
+            "The only supported Content-Types are application/vnd.pypi.simple.v1+json, "
+            "application/vnd.pypi.simple.v1+html, and text/html",
+            link,
+            exc.request_desc,
+            exc.content_type,
+        )
+    except NetworkConnectionError as exc:
+        _handle_get_simple_fail(link, exc)
+    except RetryError as exc:
+        _handle_get_simple_fail(link, exc)
+    except SSLError as exc:
+        reason = "There was a problem confirming the ssl certificate: "
+        reason += str(exc)
+        _handle_get_simple_fail(link, reason, meth=logger.info)
+    except requests.ConnectionError as exc:
+        _handle_get_simple_fail(link, f"connection error: {exc}")
+    except requests.Timeout:
+        _handle_get_simple_fail(link, "timed out")
+    else:
+        return _make_index_content(resp, cache_link_parsing=link.cache_link_parsing)
+    return None
+
+
+class CollectedSources(NamedTuple):
+    find_links: Sequence[Optional[LinkSource]]
+    index_urls: Sequence[Optional[LinkSource]]
+
+
+class LinkCollector:
+
+    """
+    Responsible for collecting Link objects from all configured locations,
+    making network requests as needed.
+
+    The class's main method is its collect_sources() method.
+    """
+
+    def __init__(
+        self,
+        session: PipSession,
+        search_scope: SearchScope,
+    ) -> None:
+        self.search_scope = search_scope
+        self.session = session
+
+    @classmethod
+    def create(
+        cls,
+        session: PipSession,
+        options: Values,
+        suppress_no_index: bool = False,
+    ) -> "LinkCollector":
+        """
+        :param session: The Session to use to make requests.
+        :param suppress_no_index: Whether to ignore the --no-index option
+            when constructing the SearchScope object.
+        """
+        index_urls = [options.index_url] + options.extra_index_urls
+        if options.no_index and not suppress_no_index:
+            logger.debug(
+                "Ignoring indexes: %s",
+                ",".join(redact_auth_from_url(url) for url in index_urls),
+            )
+            index_urls = []
+
+        # Make sure find_links is a list before passing to create().
+        find_links = options.find_links or []
+
+        search_scope = SearchScope.create(
+            find_links=find_links,
+            index_urls=index_urls,
+            no_index=options.no_index,
+        )
+        link_collector = LinkCollector(
+            session=session,
+            search_scope=search_scope,
+        )
+        return link_collector
+
+    @property
+    def find_links(self) -> List[str]:
+        return self.search_scope.find_links
+
+    def fetch_response(self, location: Link) -> Optional[IndexContent]:
+        """
+        Fetch an HTML page containing package links.
+        """
+        return _get_index_content(location, session=self.session)
+
+    def collect_sources(
+        self,
+        project_name: str,
+        candidates_from_page: CandidatesFromPage,
+    ) -> CollectedSources:
+        # The OrderedDict calls deduplicate sources by URL.
+        index_url_sources = collections.OrderedDict(
+            build_source(
+                loc,
+                candidates_from_page=candidates_from_page,
+                page_validator=self.session.is_secure_origin,
+                expand_dir=False,
+                cache_link_parsing=False,
+                project_name=project_name,
+            )
+            for loc in self.search_scope.get_index_urls_locations(project_name)
+        ).values()
+        find_links_sources = collections.OrderedDict(
+            build_source(
+                loc,
+                candidates_from_page=candidates_from_page,
+                page_validator=self.session.is_secure_origin,
+                expand_dir=True,
+                cache_link_parsing=True,
+                project_name=project_name,
+            )
+            for loc in self.find_links
+        ).values()
+
+        if logger.isEnabledFor(logging.DEBUG):
+            lines = [
+                f"* {s.link}"
+                for s in itertools.chain(find_links_sources, index_url_sources)
+                if s is not None and s.link is not None
+            ]
+            lines = [
+                f"{len(lines)} location(s) to search "
+                f"for versions of {project_name}:"
+            ] + lines
+            logger.debug("\n".join(lines))
+
+        return CollectedSources(
+            find_links=list(find_links_sources),
+            index_urls=list(index_url_sources),
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/package_finder.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/package_finder.py
new file mode 100644
index 00000000..ec9ebc36
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/package_finder.py
@@ -0,0 +1,1027 @@
+"""Routines related to PyPI, indexes"""
+
+import enum
+import functools
+import itertools
+import logging
+import re
+from typing import TYPE_CHECKING, FrozenSet, Iterable, List, Optional, Set, Tuple, Union
+
+from pip._vendor.packaging import specifiers
+from pip._vendor.packaging.tags import Tag
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.packaging.version import _BaseVersion
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.exceptions import (
+    BestVersionAlreadyInstalled,
+    DistributionNotFound,
+    InvalidWheelFilename,
+    UnsupportedWheel,
+)
+from pip._internal.index.collector import LinkCollector, parse_links
+from pip._internal.models.candidate import InstallationCandidate
+from pip._internal.models.format_control import FormatControl
+from pip._internal.models.link import Link
+from pip._internal.models.search_scope import SearchScope
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.models.target_python import TargetPython
+from pip._internal.models.wheel import Wheel
+from pip._internal.req import InstallRequirement
+from pip._internal.utils._log import getLogger
+from pip._internal.utils.filetypes import WHEEL_EXTENSION
+from pip._internal.utils.hashes import Hashes
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import build_netloc
+from pip._internal.utils.packaging import check_requires_python
+from pip._internal.utils.unpacking import SUPPORTED_EXTENSIONS
+
+if TYPE_CHECKING:
+    from pip._vendor.typing_extensions import TypeGuard
+
+__all__ = ["FormatControl", "BestCandidateResult", "PackageFinder"]
+
+
+logger = getLogger(__name__)
+
+BuildTag = Union[Tuple[()], Tuple[int, str]]
+CandidateSortingKey = Tuple[int, int, int, _BaseVersion, Optional[int], BuildTag]
+
+
+def _check_link_requires_python(
+    link: Link,
+    version_info: Tuple[int, int, int],
+    ignore_requires_python: bool = False,
+) -> bool:
+    """
+    Return whether the given Python version is compatible with a link's
+    "Requires-Python" value.
+
+    :param version_info: A 3-tuple of ints representing the Python
+        major-minor-micro version to check.
+    :param ignore_requires_python: Whether to ignore the "Requires-Python"
+        value if the given Python version isn't compatible.
+    """
+    try:
+        is_compatible = check_requires_python(
+            link.requires_python,
+            version_info=version_info,
+        )
+    except specifiers.InvalidSpecifier:
+        logger.debug(
+            "Ignoring invalid Requires-Python (%r) for link: %s",
+            link.requires_python,
+            link,
+        )
+    else:
+        if not is_compatible:
+            version = ".".join(map(str, version_info))
+            if not ignore_requires_python:
+                logger.verbose(
+                    "Link requires a different Python (%s not in: %r): %s",
+                    version,
+                    link.requires_python,
+                    link,
+                )
+                return False
+
+            logger.debug(
+                "Ignoring failed Requires-Python check (%s not in: %r) for link: %s",
+                version,
+                link.requires_python,
+                link,
+            )
+
+    return True
+
+
+class LinkType(enum.Enum):
+    candidate = enum.auto()
+    different_project = enum.auto()
+    yanked = enum.auto()
+    format_unsupported = enum.auto()
+    format_invalid = enum.auto()
+    platform_mismatch = enum.auto()
+    requires_python_mismatch = enum.auto()
+
+
+class LinkEvaluator:
+
+    """
+    Responsible for evaluating links for a particular project.
+    """
+
+    _py_version_re = re.compile(r"-py([123]\.?[0-9]?)$")
+
+    # Don't include an allow_yanked default value to make sure each call
+    # site considers whether yanked releases are allowed. This also causes
+    # that decision to be made explicit in the calling code, which helps
+    # people when reading the code.
+    def __init__(
+        self,
+        project_name: str,
+        canonical_name: str,
+        formats: FrozenSet[str],
+        target_python: TargetPython,
+        allow_yanked: bool,
+        ignore_requires_python: Optional[bool] = None,
+    ) -> None:
+        """
+        :param project_name: The user supplied package name.
+        :param canonical_name: The canonical package name.
+        :param formats: The formats allowed for this package. Should be a set
+            with 'binary' or 'source' or both in it.
+        :param target_python: The target Python interpreter to use when
+            evaluating link compatibility. This is used, for example, to
+            check wheel compatibility, as well as when checking the Python
+            version, e.g. the Python version embedded in a link filename
+            (or egg fragment) and against an HTML link's optional PEP 503
+            "data-requires-python" attribute.
+        :param allow_yanked: Whether files marked as yanked (in the sense
+            of PEP 592) are permitted to be candidates for install.
+        :param ignore_requires_python: Whether to ignore incompatible
+            PEP 503 "data-requires-python" values in HTML links. Defaults
+            to False.
+        """
+        if ignore_requires_python is None:
+            ignore_requires_python = False
+
+        self._allow_yanked = allow_yanked
+        self._canonical_name = canonical_name
+        self._ignore_requires_python = ignore_requires_python
+        self._formats = formats
+        self._target_python = target_python
+
+        self.project_name = project_name
+
+    def evaluate_link(self, link: Link) -> Tuple[LinkType, str]:
+        """
+        Determine whether a link is a candidate for installation.
+
+        :return: A tuple (result, detail), where *result* is an enum
+            representing whether the evaluation found a candidate, or the reason
+            why one is not found. If a candidate is found, *detail* will be the
+            candidate's version string; if one is not found, it contains the
+            reason the link fails to qualify.
+        """
+        version = None
+        if link.is_yanked and not self._allow_yanked:
+            reason = link.yanked_reason or "<none given>"
+            return (LinkType.yanked, f"yanked for reason: {reason}")
+
+        if link.egg_fragment:
+            egg_info = link.egg_fragment
+            ext = link.ext
+        else:
+            egg_info, ext = link.splitext()
+            if not ext:
+                return (LinkType.format_unsupported, "not a file")
+            if ext not in SUPPORTED_EXTENSIONS:
+                return (
+                    LinkType.format_unsupported,
+                    f"unsupported archive format: {ext}",
+                )
+            if "binary" not in self._formats and ext == WHEEL_EXTENSION:
+                reason = f"No binaries permitted for {self.project_name}"
+                return (LinkType.format_unsupported, reason)
+            if "macosx10" in link.path and ext == ".zip":
+                return (LinkType.format_unsupported, "macosx10 one")
+            if ext == WHEEL_EXTENSION:
+                try:
+                    wheel = Wheel(link.filename)
+                except InvalidWheelFilename:
+                    return (
+                        LinkType.format_invalid,
+                        "invalid wheel filename",
+                    )
+                if canonicalize_name(wheel.name) != self._canonical_name:
+                    reason = f"wrong project name (not {self.project_name})"
+                    return (LinkType.different_project, reason)
+
+                supported_tags = self._target_python.get_unsorted_tags()
+                if not wheel.supported(supported_tags):
+                    # Include the wheel's tags in the reason string to
+                    # simplify troubleshooting compatibility issues.
+                    file_tags = ", ".join(wheel.get_formatted_file_tags())
+                    reason = (
+                        f"none of the wheel's tags ({file_tags}) are compatible "
+                        f"(run pip debug --verbose to show compatible tags)"
+                    )
+                    return (LinkType.platform_mismatch, reason)
+
+                version = wheel.version
+
+        # This should be up by the self.ok_binary check, but see issue 2700.
+        if "source" not in self._formats and ext != WHEEL_EXTENSION:
+            reason = f"No sources permitted for {self.project_name}"
+            return (LinkType.format_unsupported, reason)
+
+        if not version:
+            version = _extract_version_from_fragment(
+                egg_info,
+                self._canonical_name,
+            )
+        if not version:
+            reason = f"Missing project version for {self.project_name}"
+            return (LinkType.format_invalid, reason)
+
+        match = self._py_version_re.search(version)
+        if match:
+            version = version[: match.start()]
+            py_version = match.group(1)
+            if py_version != self._target_python.py_version:
+                return (
+                    LinkType.platform_mismatch,
+                    "Python version is incorrect",
+                )
+
+        supports_python = _check_link_requires_python(
+            link,
+            version_info=self._target_python.py_version_info,
+            ignore_requires_python=self._ignore_requires_python,
+        )
+        if not supports_python:
+            reason = f"{version} Requires-Python {link.requires_python}"
+            return (LinkType.requires_python_mismatch, reason)
+
+        logger.debug("Found link %s, version: %s", link, version)
+
+        return (LinkType.candidate, version)
+
+
+def filter_unallowed_hashes(
+    candidates: List[InstallationCandidate],
+    hashes: Optional[Hashes],
+    project_name: str,
+) -> List[InstallationCandidate]:
+    """
+    Filter out candidates whose hashes aren't allowed, and return a new
+    list of candidates.
+
+    If at least one candidate has an allowed hash, then all candidates with
+    either an allowed hash or no hash specified are returned.  Otherwise,
+    the given candidates are returned.
+
+    Including the candidates with no hash specified when there is a match
+    allows a warning to be logged if there is a more preferred candidate
+    with no hash specified.  Returning all candidates in the case of no
+    matches lets pip report the hash of the candidate that would otherwise
+    have been installed (e.g. permitting the user to more easily update
+    their requirements file with the desired hash).
+    """
+    if not hashes:
+        logger.debug(
+            "Given no hashes to check %s links for project %r: "
+            "discarding no candidates",
+            len(candidates),
+            project_name,
+        )
+        # Make sure we're not returning back the given value.
+        return list(candidates)
+
+    matches_or_no_digest = []
+    # Collect the non-matches for logging purposes.
+    non_matches = []
+    match_count = 0
+    for candidate in candidates:
+        link = candidate.link
+        if not link.has_hash:
+            pass
+        elif link.is_hash_allowed(hashes=hashes):
+            match_count += 1
+        else:
+            non_matches.append(candidate)
+            continue
+
+        matches_or_no_digest.append(candidate)
+
+    if match_count:
+        filtered = matches_or_no_digest
+    else:
+        # Make sure we're not returning back the given value.
+        filtered = list(candidates)
+
+    if len(filtered) == len(candidates):
+        discard_message = "discarding no candidates"
+    else:
+        discard_message = "discarding {} non-matches:\n  {}".format(
+            len(non_matches),
+            "\n  ".join(str(candidate.link) for candidate in non_matches),
+        )
+
+    logger.debug(
+        "Checked %s links for project %r against %s hashes "
+        "(%s matches, %s no digest): %s",
+        len(candidates),
+        project_name,
+        hashes.digest_count,
+        match_count,
+        len(matches_or_no_digest) - match_count,
+        discard_message,
+    )
+
+    return filtered
+
+
+class CandidatePreferences:
+
+    """
+    Encapsulates some of the preferences for filtering and sorting
+    InstallationCandidate objects.
+    """
+
+    def __init__(
+        self,
+        prefer_binary: bool = False,
+        allow_all_prereleases: bool = False,
+    ) -> None:
+        """
+        :param allow_all_prereleases: Whether to allow all pre-releases.
+        """
+        self.allow_all_prereleases = allow_all_prereleases
+        self.prefer_binary = prefer_binary
+
+
+class BestCandidateResult:
+    """A collection of candidates, returned by `PackageFinder.find_best_candidate`.
+
+    This class is only intended to be instantiated by CandidateEvaluator's
+    `compute_best_candidate()` method.
+    """
+
+    def __init__(
+        self,
+        candidates: List[InstallationCandidate],
+        applicable_candidates: List[InstallationCandidate],
+        best_candidate: Optional[InstallationCandidate],
+    ) -> None:
+        """
+        :param candidates: A sequence of all available candidates found.
+        :param applicable_candidates: The applicable candidates.
+        :param best_candidate: The most preferred candidate found, or None
+            if no applicable candidates were found.
+        """
+        assert set(applicable_candidates) <= set(candidates)
+
+        if best_candidate is None:
+            assert not applicable_candidates
+        else:
+            assert best_candidate in applicable_candidates
+
+        self._applicable_candidates = applicable_candidates
+        self._candidates = candidates
+
+        self.best_candidate = best_candidate
+
+    def iter_all(self) -> Iterable[InstallationCandidate]:
+        """Iterate through all candidates."""
+        return iter(self._candidates)
+
+    def iter_applicable(self) -> Iterable[InstallationCandidate]:
+        """Iterate through the applicable candidates."""
+        return iter(self._applicable_candidates)
+
+
+class CandidateEvaluator:
+
+    """
+    Responsible for filtering and sorting candidates for installation based
+    on what tags are valid.
+    """
+
+    @classmethod
+    def create(
+        cls,
+        project_name: str,
+        target_python: Optional[TargetPython] = None,
+        prefer_binary: bool = False,
+        allow_all_prereleases: bool = False,
+        specifier: Optional[specifiers.BaseSpecifier] = None,
+        hashes: Optional[Hashes] = None,
+    ) -> "CandidateEvaluator":
+        """Create a CandidateEvaluator object.
+
+        :param target_python: The target Python interpreter to use when
+            checking compatibility. If None (the default), a TargetPython
+            object will be constructed from the running Python.
+        :param specifier: An optional object implementing `filter`
+            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
+            versions.
+        :param hashes: An optional collection of allowed hashes.
+        """
+        if target_python is None:
+            target_python = TargetPython()
+        if specifier is None:
+            specifier = specifiers.SpecifierSet()
+
+        supported_tags = target_python.get_sorted_tags()
+
+        return cls(
+            project_name=project_name,
+            supported_tags=supported_tags,
+            specifier=specifier,
+            prefer_binary=prefer_binary,
+            allow_all_prereleases=allow_all_prereleases,
+            hashes=hashes,
+        )
+
+    def __init__(
+        self,
+        project_name: str,
+        supported_tags: List[Tag],
+        specifier: specifiers.BaseSpecifier,
+        prefer_binary: bool = False,
+        allow_all_prereleases: bool = False,
+        hashes: Optional[Hashes] = None,
+    ) -> None:
+        """
+        :param supported_tags: The PEP 425 tags supported by the target
+            Python in order of preference (most preferred first).
+        """
+        self._allow_all_prereleases = allow_all_prereleases
+        self._hashes = hashes
+        self._prefer_binary = prefer_binary
+        self._project_name = project_name
+        self._specifier = specifier
+        self._supported_tags = supported_tags
+        # Since the index of the tag in the _supported_tags list is used
+        # as a priority, precompute a map from tag to index/priority to be
+        # used in wheel.find_most_preferred_tag.
+        self._wheel_tag_preferences = {
+            tag: idx for idx, tag in enumerate(supported_tags)
+        }
+
+    def get_applicable_candidates(
+        self,
+        candidates: List[InstallationCandidate],
+    ) -> List[InstallationCandidate]:
+        """
+        Return the applicable candidates from a list of candidates.
+        """
+        # Using None infers from the specifier instead.
+        allow_prereleases = self._allow_all_prereleases or None
+        specifier = self._specifier
+        versions = {
+            str(v)
+            for v in specifier.filter(
+                # We turn the version object into a str here because otherwise
+                # when we're debundled but setuptools isn't, Python will see
+                # packaging.version.Version and
+                # pkg_resources._vendor.packaging.version.Version as different
+                # types. This way we'll use a str as a common data interchange
+                # format. If we stop using the pkg_resources provided specifier
+                # and start using our own, we can drop the cast to str().
+                (str(c.version) for c in candidates),
+                prereleases=allow_prereleases,
+            )
+        }
+
+        # Again, converting version to str to deal with debundling.
+        applicable_candidates = [c for c in candidates if str(c.version) in versions]
+
+        filtered_applicable_candidates = filter_unallowed_hashes(
+            candidates=applicable_candidates,
+            hashes=self._hashes,
+            project_name=self._project_name,
+        )
+
+        return sorted(filtered_applicable_candidates, key=self._sort_key)
+
+    def _sort_key(self, candidate: InstallationCandidate) -> CandidateSortingKey:
+        """
+        Function to pass as the `key` argument to a call to sorted() to sort
+        InstallationCandidates by preference.
+
+        Returns a tuple such that tuples sorting as greater using Python's
+        default comparison operator are more preferred.
+
+        The preference is as follows:
+
+        First and foremost, candidates with allowed (matching) hashes are
+        always preferred over candidates without matching hashes. This is
+        because e.g. if the only candidate with an allowed hash is yanked,
+        we still want to use that candidate.
+
+        Second, excepting hash considerations, candidates that have been
+        yanked (in the sense of PEP 592) are always less preferred than
+        candidates that haven't been yanked. Then:
+
+        If not finding wheels, they are sorted by version only.
+        If finding wheels, then the sort order is by version, then:
+          1. existing installs
+          2. wheels ordered via Wheel.support_index_min(self._supported_tags)
+          3. source archives
+        If prefer_binary was set, then all wheels are sorted above sources.
+
+        Note: it was considered to embed this logic into the Link
+              comparison operators, but then different sdist links
+              with the same version, would have to be considered equal
+        """
+        valid_tags = self._supported_tags
+        support_num = len(valid_tags)
+        build_tag: BuildTag = ()
+        binary_preference = 0
+        link = candidate.link
+        if link.is_wheel:
+            # can raise InvalidWheelFilename
+            wheel = Wheel(link.filename)
+            try:
+                pri = -(
+                    wheel.find_most_preferred_tag(
+                        valid_tags, self._wheel_tag_preferences
+                    )
+                )
+            except ValueError:
+                raise UnsupportedWheel(
+                    f"{wheel.filename} is not a supported wheel for this platform. It "
+                    "can't be sorted."
+                )
+            if self._prefer_binary:
+                binary_preference = 1
+            if wheel.build_tag is not None:
+                match = re.match(r"^(\d+)(.*)$", wheel.build_tag)
+                assert match is not None, "guaranteed by filename validation"
+                build_tag_groups = match.groups()
+                build_tag = (int(build_tag_groups[0]), build_tag_groups[1])
+        else:  # sdist
+            pri = -(support_num)
+        has_allowed_hash = int(link.is_hash_allowed(self._hashes))
+        yank_value = -1 * int(link.is_yanked)  # -1 for yanked.
+        return (
+            has_allowed_hash,
+            yank_value,
+            binary_preference,
+            candidate.version,
+            pri,
+            build_tag,
+        )
+
+    def sort_best_candidate(
+        self,
+        candidates: List[InstallationCandidate],
+    ) -> Optional[InstallationCandidate]:
+        """
+        Return the best candidate per the instance's sort order, or None if
+        no candidate is acceptable.
+        """
+        if not candidates:
+            return None
+        best_candidate = max(candidates, key=self._sort_key)
+        return best_candidate
+
+    def compute_best_candidate(
+        self,
+        candidates: List[InstallationCandidate],
+    ) -> BestCandidateResult:
+        """
+        Compute and return a `BestCandidateResult` instance.
+        """
+        applicable_candidates = self.get_applicable_candidates(candidates)
+
+        best_candidate = self.sort_best_candidate(applicable_candidates)
+
+        return BestCandidateResult(
+            candidates,
+            applicable_candidates=applicable_candidates,
+            best_candidate=best_candidate,
+        )
+
+
+class PackageFinder:
+    """This finds packages.
+
+    This is meant to match easy_install's technique for looking for
+    packages, by reading pages and looking for appropriate links.
+    """
+
+    def __init__(
+        self,
+        link_collector: LinkCollector,
+        target_python: TargetPython,
+        allow_yanked: bool,
+        format_control: Optional[FormatControl] = None,
+        candidate_prefs: Optional[CandidatePreferences] = None,
+        ignore_requires_python: Optional[bool] = None,
+    ) -> None:
+        """
+        This constructor is primarily meant to be used by the create() class
+        method and from tests.
+
+        :param format_control: A FormatControl object, used to control
+            the selection of source packages / binary packages when consulting
+            the index and links.
+        :param candidate_prefs: Options to use when creating a
+            CandidateEvaluator object.
+        """
+        if candidate_prefs is None:
+            candidate_prefs = CandidatePreferences()
+
+        format_control = format_control or FormatControl(set(), set())
+
+        self._allow_yanked = allow_yanked
+        self._candidate_prefs = candidate_prefs
+        self._ignore_requires_python = ignore_requires_python
+        self._link_collector = link_collector
+        self._target_python = target_python
+
+        self.format_control = format_control
+
+        # These are boring links that have already been logged somehow.
+        self._logged_links: Set[Tuple[Link, LinkType, str]] = set()
+
+    # Don't include an allow_yanked default value to make sure each call
+    # site considers whether yanked releases are allowed. This also causes
+    # that decision to be made explicit in the calling code, which helps
+    # people when reading the code.
+    @classmethod
+    def create(
+        cls,
+        link_collector: LinkCollector,
+        selection_prefs: SelectionPreferences,
+        target_python: Optional[TargetPython] = None,
+    ) -> "PackageFinder":
+        """Create a PackageFinder.
+
+        :param selection_prefs: The candidate selection preferences, as a
+            SelectionPreferences object.
+        :param target_python: The target Python interpreter to use when
+            checking compatibility. If None (the default), a TargetPython
+            object will be constructed from the running Python.
+        """
+        if target_python is None:
+            target_python = TargetPython()
+
+        candidate_prefs = CandidatePreferences(
+            prefer_binary=selection_prefs.prefer_binary,
+            allow_all_prereleases=selection_prefs.allow_all_prereleases,
+        )
+
+        return cls(
+            candidate_prefs=candidate_prefs,
+            link_collector=link_collector,
+            target_python=target_python,
+            allow_yanked=selection_prefs.allow_yanked,
+            format_control=selection_prefs.format_control,
+            ignore_requires_python=selection_prefs.ignore_requires_python,
+        )
+
+    @property
+    def target_python(self) -> TargetPython:
+        return self._target_python
+
+    @property
+    def search_scope(self) -> SearchScope:
+        return self._link_collector.search_scope
+
+    @search_scope.setter
+    def search_scope(self, search_scope: SearchScope) -> None:
+        self._link_collector.search_scope = search_scope
+
+    @property
+    def find_links(self) -> List[str]:
+        return self._link_collector.find_links
+
+    @property
+    def index_urls(self) -> List[str]:
+        return self.search_scope.index_urls
+
+    @property
+    def trusted_hosts(self) -> Iterable[str]:
+        for host_port in self._link_collector.session.pip_trusted_origins:
+            yield build_netloc(*host_port)
+
+    @property
+    def allow_all_prereleases(self) -> bool:
+        return self._candidate_prefs.allow_all_prereleases
+
+    def set_allow_all_prereleases(self) -> None:
+        self._candidate_prefs.allow_all_prereleases = True
+
+    @property
+    def prefer_binary(self) -> bool:
+        return self._candidate_prefs.prefer_binary
+
+    def set_prefer_binary(self) -> None:
+        self._candidate_prefs.prefer_binary = True
+
+    def requires_python_skipped_reasons(self) -> List[str]:
+        reasons = {
+            detail
+            for _, result, detail in self._logged_links
+            if result == LinkType.requires_python_mismatch
+        }
+        return sorted(reasons)
+
+    def make_link_evaluator(self, project_name: str) -> LinkEvaluator:
+        canonical_name = canonicalize_name(project_name)
+        formats = self.format_control.get_allowed_formats(canonical_name)
+
+        return LinkEvaluator(
+            project_name=project_name,
+            canonical_name=canonical_name,
+            formats=formats,
+            target_python=self._target_python,
+            allow_yanked=self._allow_yanked,
+            ignore_requires_python=self._ignore_requires_python,
+        )
+
+    def _sort_links(self, links: Iterable[Link]) -> List[Link]:
+        """
+        Returns elements of links in order, non-egg links first, egg links
+        second, while eliminating duplicates
+        """
+        eggs, no_eggs = [], []
+        seen: Set[Link] = set()
+        for link in links:
+            if link not in seen:
+                seen.add(link)
+                if link.egg_fragment:
+                    eggs.append(link)
+                else:
+                    no_eggs.append(link)
+        return no_eggs + eggs
+
+    def _log_skipped_link(self, link: Link, result: LinkType, detail: str) -> None:
+        entry = (link, result, detail)
+        if entry not in self._logged_links:
+            # Put the link at the end so the reason is more visible and because
+            # the link string is usually very long.
+            logger.debug("Skipping link: %s: %s", detail, link)
+            self._logged_links.add(entry)
+
+    def get_install_candidate(
+        self, link_evaluator: LinkEvaluator, link: Link
+    ) -> Optional[InstallationCandidate]:
+        """
+        If the link is a candidate for install, convert it to an
+        InstallationCandidate and return it. Otherwise, return None.
+        """
+        result, detail = link_evaluator.evaluate_link(link)
+        if result != LinkType.candidate:
+            self._log_skipped_link(link, result, detail)
+            return None
+
+        return InstallationCandidate(
+            name=link_evaluator.project_name,
+            link=link,
+            version=detail,
+        )
+
+    def evaluate_links(
+        self, link_evaluator: LinkEvaluator, links: Iterable[Link]
+    ) -> List[InstallationCandidate]:
+        """
+        Convert links that are candidates to InstallationCandidate objects.
+        """
+        candidates = []
+        for link in self._sort_links(links):
+            candidate = self.get_install_candidate(link_evaluator, link)
+            if candidate is not None:
+                candidates.append(candidate)
+
+        return candidates
+
+    def process_project_url(
+        self, project_url: Link, link_evaluator: LinkEvaluator
+    ) -> List[InstallationCandidate]:
+        logger.debug(
+            "Fetching project page and analyzing links: %s",
+            project_url,
+        )
+        index_response = self._link_collector.fetch_response(project_url)
+        if index_response is None:
+            return []
+
+        page_links = list(parse_links(index_response))
+
+        with indent_log():
+            package_links = self.evaluate_links(
+                link_evaluator,
+                links=page_links,
+            )
+
+        return package_links
+
+    @functools.lru_cache(maxsize=None)
+    def find_all_candidates(self, project_name: str) -> List[InstallationCandidate]:
+        """Find all available InstallationCandidate for project_name
+
+        This checks index_urls and find_links.
+        All versions found are returned as an InstallationCandidate list.
+
+        See LinkEvaluator.evaluate_link() for details on which files
+        are accepted.
+        """
+        link_evaluator = self.make_link_evaluator(project_name)
+
+        collected_sources = self._link_collector.collect_sources(
+            project_name=project_name,
+            candidates_from_page=functools.partial(
+                self.process_project_url,
+                link_evaluator=link_evaluator,
+            ),
+        )
+
+        page_candidates_it = itertools.chain.from_iterable(
+            source.page_candidates()
+            for sources in collected_sources
+            for source in sources
+            if source is not None
+        )
+        page_candidates = list(page_candidates_it)
+
+        file_links_it = itertools.chain.from_iterable(
+            source.file_links()
+            for sources in collected_sources
+            for source in sources
+            if source is not None
+        )
+        file_candidates = self.evaluate_links(
+            link_evaluator,
+            sorted(file_links_it, reverse=True),
+        )
+
+        if logger.isEnabledFor(logging.DEBUG) and file_candidates:
+            paths = []
+            for candidate in file_candidates:
+                assert candidate.link.url  # we need to have a URL
+                try:
+                    paths.append(candidate.link.file_path)
+                except Exception:
+                    paths.append(candidate.link.url)  # it's not a local file
+
+            logger.debug("Local files found: %s", ", ".join(paths))
+
+        # This is an intentional priority ordering
+        return file_candidates + page_candidates
+
+    def make_candidate_evaluator(
+        self,
+        project_name: str,
+        specifier: Optional[specifiers.BaseSpecifier] = None,
+        hashes: Optional[Hashes] = None,
+    ) -> CandidateEvaluator:
+        """Create a CandidateEvaluator object to use."""
+        candidate_prefs = self._candidate_prefs
+        return CandidateEvaluator.create(
+            project_name=project_name,
+            target_python=self._target_python,
+            prefer_binary=candidate_prefs.prefer_binary,
+            allow_all_prereleases=candidate_prefs.allow_all_prereleases,
+            specifier=specifier,
+            hashes=hashes,
+        )
+
+    @functools.lru_cache(maxsize=None)
+    def find_best_candidate(
+        self,
+        project_name: str,
+        specifier: Optional[specifiers.BaseSpecifier] = None,
+        hashes: Optional[Hashes] = None,
+    ) -> BestCandidateResult:
+        """Find matches for the given project and specifier.
+
+        :param specifier: An optional object implementing `filter`
+            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
+            versions.
+
+        :return: A `BestCandidateResult` instance.
+        """
+        candidates = self.find_all_candidates(project_name)
+        candidate_evaluator = self.make_candidate_evaluator(
+            project_name=project_name,
+            specifier=specifier,
+            hashes=hashes,
+        )
+        return candidate_evaluator.compute_best_candidate(candidates)
+
+    def find_requirement(
+        self, req: InstallRequirement, upgrade: bool
+    ) -> Optional[InstallationCandidate]:
+        """Try to find a Link matching req
+
+        Expects req, an InstallRequirement and upgrade, a boolean
+        Returns a InstallationCandidate if found,
+        Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise
+        """
+        hashes = req.hashes(trust_internet=False)
+        best_candidate_result = self.find_best_candidate(
+            req.name,
+            specifier=req.specifier,
+            hashes=hashes,
+        )
+        best_candidate = best_candidate_result.best_candidate
+
+        installed_version: Optional[_BaseVersion] = None
+        if req.satisfied_by is not None:
+            installed_version = req.satisfied_by.version
+
+        def _format_versions(cand_iter: Iterable[InstallationCandidate]) -> str:
+            # This repeated parse_version and str() conversion is needed to
+            # handle different vendoring sources from pip and pkg_resources.
+            # If we stop using the pkg_resources provided specifier and start
+            # using our own, we can drop the cast to str().
+            return (
+                ", ".join(
+                    sorted(
+                        {str(c.version) for c in cand_iter},
+                        key=parse_version,
+                    )
+                )
+                or "none"
+            )
+
+        if installed_version is None and best_candidate is None:
+            logger.critical(
+                "Could not find a version that satisfies the requirement %s "
+                "(from versions: %s)",
+                req,
+                _format_versions(best_candidate_result.iter_all()),
+            )
+
+            raise DistributionNotFound(f"No matching distribution found for {req}")
+
+        def _should_install_candidate(
+            candidate: Optional[InstallationCandidate],
+        ) -> "TypeGuard[InstallationCandidate]":
+            if installed_version is None:
+                return True
+            if best_candidate is None:
+                return False
+            return best_candidate.version > installed_version
+
+        if not upgrade and installed_version is not None:
+            if _should_install_candidate(best_candidate):
+                logger.debug(
+                    "Existing installed version (%s) satisfies requirement "
+                    "(most up-to-date version is %s)",
+                    installed_version,
+                    best_candidate.version,
+                )
+            else:
+                logger.debug(
+                    "Existing installed version (%s) is most up-to-date and "
+                    "satisfies requirement",
+                    installed_version,
+                )
+            return None
+
+        if _should_install_candidate(best_candidate):
+            logger.debug(
+                "Using version %s (newest of versions: %s)",
+                best_candidate.version,
+                _format_versions(best_candidate_result.iter_applicable()),
+            )
+            return best_candidate
+
+        # We have an existing version, and its the best version
+        logger.debug(
+            "Installed version (%s) is most up-to-date (past versions: %s)",
+            installed_version,
+            _format_versions(best_candidate_result.iter_applicable()),
+        )
+        raise BestVersionAlreadyInstalled
+
+
+def _find_name_version_sep(fragment: str, canonical_name: str) -> int:
+    """Find the separator's index based on the package's canonical name.
+
+    :param fragment: A <package>+<version> filename "fragment" (stem) or
+        egg fragment.
+    :param canonical_name: The package's canonical name.
+
+    This function is needed since the canonicalized name does not necessarily
+    have the same length as the egg info's name part. An example::
+
+    >>> fragment = 'foo__bar-1.0'
+    >>> canonical_name = 'foo-bar'
+    >>> _find_name_version_sep(fragment, canonical_name)
+    8
+    """
+    # Project name and version must be separated by one single dash. Find all
+    # occurrences of dashes; if the string in front of it matches the canonical
+    # name, this is the one separating the name and version parts.
+    for i, c in enumerate(fragment):
+        if c != "-":
+            continue
+        if canonicalize_name(fragment[:i]) == canonical_name:
+            return i
+    raise ValueError(f"{fragment} does not match {canonical_name}")
+
+
+def _extract_version_from_fragment(fragment: str, canonical_name: str) -> Optional[str]:
+    """Parse the version string from a <package>+<version> filename
+    "fragment" (stem) or egg fragment.
+
+    :param fragment: The string to parse. E.g. foo-2.1
+    :param canonical_name: The canonicalized name of the package this
+        belongs to.
+    """
+    try:
+        version_start = _find_name_version_sep(fragment, canonical_name) + 1
+    except ValueError:
+        return None
+    version = fragment[version_start:]
+    if not version:
+        return None
+    return version
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/sources.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/sources.py
new file mode 100644
index 00000000..f4626d71
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/index/sources.py
@@ -0,0 +1,285 @@
+import logging
+import mimetypes
+import os
+from collections import defaultdict
+from typing import Callable, Dict, Iterable, List, Optional, Tuple
+
+from pip._vendor.packaging.utils import (
+    InvalidSdistFilename,
+    InvalidVersion,
+    InvalidWheelFilename,
+    canonicalize_name,
+    parse_sdist_filename,
+    parse_wheel_filename,
+)
+
+from pip._internal.models.candidate import InstallationCandidate
+from pip._internal.models.link import Link
+from pip._internal.utils.urls import path_to_url, url_to_path
+from pip._internal.vcs import is_url
+
+logger = logging.getLogger(__name__)
+
+FoundCandidates = Iterable[InstallationCandidate]
+FoundLinks = Iterable[Link]
+CandidatesFromPage = Callable[[Link], Iterable[InstallationCandidate]]
+PageValidator = Callable[[Link], bool]
+
+
+class LinkSource:
+    @property
+    def link(self) -> Optional[Link]:
+        """Returns the underlying link, if there's one."""
+        raise NotImplementedError()
+
+    def page_candidates(self) -> FoundCandidates:
+        """Candidates found by parsing an archive listing HTML file."""
+        raise NotImplementedError()
+
+    def file_links(self) -> FoundLinks:
+        """Links found by specifying archives directly."""
+        raise NotImplementedError()
+
+
+def _is_html_file(file_url: str) -> bool:
+    return mimetypes.guess_type(file_url, strict=False)[0] == "text/html"
+
+
+class _FlatDirectoryToUrls:
+    """Scans directory and caches results"""
+
+    def __init__(self, path: str) -> None:
+        self._path = path
+        self._page_candidates: List[str] = []
+        self._project_name_to_urls: Dict[str, List[str]] = defaultdict(list)
+        self._scanned_directory = False
+
+    def _scan_directory(self) -> None:
+        """Scans directory once and populates both page_candidates
+        and project_name_to_urls at the same time
+        """
+        for entry in os.scandir(self._path):
+            url = path_to_url(entry.path)
+            if _is_html_file(url):
+                self._page_candidates.append(url)
+                continue
+
+            # File must have a valid wheel or sdist name,
+            # otherwise not worth considering as a package
+            try:
+                project_filename = parse_wheel_filename(entry.name)[0]
+            except (InvalidWheelFilename, InvalidVersion):
+                try:
+                    project_filename = parse_sdist_filename(entry.name)[0]
+                except (InvalidSdistFilename, InvalidVersion):
+                    continue
+
+            self._project_name_to_urls[project_filename].append(url)
+        self._scanned_directory = True
+
+    @property
+    def page_candidates(self) -> List[str]:
+        if not self._scanned_directory:
+            self._scan_directory()
+
+        return self._page_candidates
+
+    @property
+    def project_name_to_urls(self) -> Dict[str, List[str]]:
+        if not self._scanned_directory:
+            self._scan_directory()
+
+        return self._project_name_to_urls
+
+
+class _FlatDirectorySource(LinkSource):
+    """Link source specified by ``--find-links=<path-to-dir>``.
+
+    This looks the content of the directory, and returns:
+
+    * ``page_candidates``: Links listed on each HTML file in the directory.
+    * ``file_candidates``: Archives in the directory.
+    """
+
+    _paths_to_urls: Dict[str, _FlatDirectoryToUrls] = {}
+
+    def __init__(
+        self,
+        candidates_from_page: CandidatesFromPage,
+        path: str,
+        project_name: str,
+    ) -> None:
+        self._candidates_from_page = candidates_from_page
+        self._project_name = canonicalize_name(project_name)
+
+        # Get existing instance of _FlatDirectoryToUrls if it exists
+        if path in self._paths_to_urls:
+            self._path_to_urls = self._paths_to_urls[path]
+        else:
+            self._path_to_urls = _FlatDirectoryToUrls(path=path)
+            self._paths_to_urls[path] = self._path_to_urls
+
+    @property
+    def link(self) -> Optional[Link]:
+        return None
+
+    def page_candidates(self) -> FoundCandidates:
+        for url in self._path_to_urls.page_candidates:
+            yield from self._candidates_from_page(Link(url))
+
+    def file_links(self) -> FoundLinks:
+        for url in self._path_to_urls.project_name_to_urls[self._project_name]:
+            yield Link(url)
+
+
+class _LocalFileSource(LinkSource):
+    """``--find-links=<path-or-url>`` or ``--[extra-]index-url=<path-or-url>``.
+
+    If a URL is supplied, it must be a ``file:`` URL. If a path is supplied to
+    the option, it is converted to a URL first. This returns:
+
+    * ``page_candidates``: Links listed on an HTML file.
+    * ``file_candidates``: The non-HTML file.
+    """
+
+    def __init__(
+        self,
+        candidates_from_page: CandidatesFromPage,
+        link: Link,
+    ) -> None:
+        self._candidates_from_page = candidates_from_page
+        self._link = link
+
+    @property
+    def link(self) -> Optional[Link]:
+        return self._link
+
+    def page_candidates(self) -> FoundCandidates:
+        if not _is_html_file(self._link.url):
+            return
+        yield from self._candidates_from_page(self._link)
+
+    def file_links(self) -> FoundLinks:
+        if _is_html_file(self._link.url):
+            return
+        yield self._link
+
+
+class _RemoteFileSource(LinkSource):
+    """``--find-links=<url>`` or ``--[extra-]index-url=<url>``.
+
+    This returns:
+
+    * ``page_candidates``: Links listed on an HTML file.
+    * ``file_candidates``: The non-HTML file.
+    """
+
+    def __init__(
+        self,
+        candidates_from_page: CandidatesFromPage,
+        page_validator: PageValidator,
+        link: Link,
+    ) -> None:
+        self._candidates_from_page = candidates_from_page
+        self._page_validator = page_validator
+        self._link = link
+
+    @property
+    def link(self) -> Optional[Link]:
+        return self._link
+
+    def page_candidates(self) -> FoundCandidates:
+        if not self._page_validator(self._link):
+            return
+        yield from self._candidates_from_page(self._link)
+
+    def file_links(self) -> FoundLinks:
+        yield self._link
+
+
+class _IndexDirectorySource(LinkSource):
+    """``--[extra-]index-url=<path-to-directory>``.
+
+    This is treated like a remote URL; ``candidates_from_page`` contains logic
+    for this by appending ``index.html`` to the link.
+    """
+
+    def __init__(
+        self,
+        candidates_from_page: CandidatesFromPage,
+        link: Link,
+    ) -> None:
+        self._candidates_from_page = candidates_from_page
+        self._link = link
+
+    @property
+    def link(self) -> Optional[Link]:
+        return self._link
+
+    def page_candidates(self) -> FoundCandidates:
+        yield from self._candidates_from_page(self._link)
+
+    def file_links(self) -> FoundLinks:
+        return ()
+
+
+def build_source(
+    location: str,
+    *,
+    candidates_from_page: CandidatesFromPage,
+    page_validator: PageValidator,
+    expand_dir: bool,
+    cache_link_parsing: bool,
+    project_name: str,
+) -> Tuple[Optional[str], Optional[LinkSource]]:
+    path: Optional[str] = None
+    url: Optional[str] = None
+    if os.path.exists(location):  # Is a local path.
+        url = path_to_url(location)
+        path = location
+    elif location.startswith("file:"):  # A file: URL.
+        url = location
+        path = url_to_path(location)
+    elif is_url(location):
+        url = location
+
+    if url is None:
+        msg = (
+            "Location '%s' is ignored: "
+            "it is either a non-existing path or lacks a specific scheme."
+        )
+        logger.warning(msg, location)
+        return (None, None)
+
+    if path is None:
+        source: LinkSource = _RemoteFileSource(
+            candidates_from_page=candidates_from_page,
+            page_validator=page_validator,
+            link=Link(url, cache_link_parsing=cache_link_parsing),
+        )
+        return (url, source)
+
+    if os.path.isdir(path):
+        if expand_dir:
+            source = _FlatDirectorySource(
+                candidates_from_page=candidates_from_page,
+                path=path,
+                project_name=project_name,
+            )
+        else:
+            source = _IndexDirectorySource(
+                candidates_from_page=candidates_from_page,
+                link=Link(url, cache_link_parsing=cache_link_parsing),
+            )
+        return (url, source)
+    elif os.path.isfile(path):
+        source = _LocalFileSource(
+            candidates_from_page=candidates_from_page,
+            link=Link(url, cache_link_parsing=cache_link_parsing),
+        )
+        return (url, source)
+    logger.warning(
+        "Location '%s' is ignored: it is neither a file nor a directory.",
+        location,
+    )
+    return (url, None)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/__init__.py
new file mode 100644
index 00000000..d54bc63e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/__init__.py
@@ -0,0 +1,467 @@
+import functools
+import logging
+import os
+import pathlib
+import sys
+import sysconfig
+from typing import Any, Dict, Generator, Optional, Tuple
+
+from pip._internal.models.scheme import SCHEME_KEYS, Scheme
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from . import _sysconfig
+from .base import (
+    USER_CACHE_DIR,
+    get_major_minor_version,
+    get_src_prefix,
+    is_osx_framework,
+    site_packages,
+    user_site,
+)
+
+__all__ = [
+    "USER_CACHE_DIR",
+    "get_bin_prefix",
+    "get_bin_user",
+    "get_major_minor_version",
+    "get_platlib",
+    "get_purelib",
+    "get_scheme",
+    "get_src_prefix",
+    "site_packages",
+    "user_site",
+]
+
+
+logger = logging.getLogger(__name__)
+
+
+_PLATLIBDIR: str = getattr(sys, "platlibdir", "lib")
+
+_USE_SYSCONFIG_DEFAULT = sys.version_info >= (3, 10)
+
+
+def _should_use_sysconfig() -> bool:
+    """This function determines the value of _USE_SYSCONFIG.
+
+    By default, pip uses sysconfig on Python 3.10+.
+    But Python distributors can override this decision by setting:
+        sysconfig._PIP_USE_SYSCONFIG = True / False
+    Rationale in https://github.com/pypa/pip/issues/10647
+
+    This is a function for testability, but should be constant during any one
+    run.
+    """
+    return bool(getattr(sysconfig, "_PIP_USE_SYSCONFIG", _USE_SYSCONFIG_DEFAULT))
+
+
+_USE_SYSCONFIG = _should_use_sysconfig()
+
+if not _USE_SYSCONFIG:
+    # Import distutils lazily to avoid deprecation warnings,
+    # but import it soon enough that it is in memory and available during
+    # a pip reinstall.
+    from . import _distutils
+
+# Be noisy about incompatibilities if this platforms "should" be using
+# sysconfig, but is explicitly opting out and using distutils instead.
+if _USE_SYSCONFIG_DEFAULT and not _USE_SYSCONFIG:
+    _MISMATCH_LEVEL = logging.WARNING
+else:
+    _MISMATCH_LEVEL = logging.DEBUG
+
+
+def _looks_like_bpo_44860() -> bool:
+    """The resolution to bpo-44860 will change this incorrect platlib.
+
+    See <https://bugs.python.org/issue44860>.
+    """
+    from distutils.command.install import INSTALL_SCHEMES
+
+    try:
+        unix_user_platlib = INSTALL_SCHEMES["unix_user"]["platlib"]
+    except KeyError:
+        return False
+    return unix_user_platlib == "$usersite"
+
+
+def _looks_like_red_hat_patched_platlib_purelib(scheme: Dict[str, str]) -> bool:
+    platlib = scheme["platlib"]
+    if "/$platlibdir/" in platlib:
+        platlib = platlib.replace("/$platlibdir/", f"/{_PLATLIBDIR}/")
+    if "/lib64/" not in platlib:
+        return False
+    unpatched = platlib.replace("/lib64/", "/lib/")
+    return unpatched.replace("$platbase/", "$base/") == scheme["purelib"]
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_red_hat_lib() -> bool:
+    """Red Hat patches platlib in unix_prefix and unix_home, but not purelib.
+
+    This is the only way I can see to tell a Red Hat-patched Python.
+    """
+    from distutils.command.install import INSTALL_SCHEMES
+
+    return all(
+        k in INSTALL_SCHEMES
+        and _looks_like_red_hat_patched_platlib_purelib(INSTALL_SCHEMES[k])
+        for k in ("unix_prefix", "unix_home")
+    )
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_debian_scheme() -> bool:
+    """Debian adds two additional schemes."""
+    from distutils.command.install import INSTALL_SCHEMES
+
+    return "deb_system" in INSTALL_SCHEMES and "unix_local" in INSTALL_SCHEMES
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_red_hat_scheme() -> bool:
+    """Red Hat patches ``sys.prefix`` and ``sys.exec_prefix``.
+
+    Red Hat's ``00251-change-user-install-location.patch`` changes the install
+    command's ``prefix`` and ``exec_prefix`` to append ``"/local"``. This is
+    (fortunately?) done quite unconditionally, so we create a default command
+    object without any configuration to detect this.
+    """
+    from distutils.command.install import install
+    from distutils.dist import Distribution
+
+    cmd: Any = install(Distribution())
+    cmd.finalize_options()
+    return (
+        cmd.exec_prefix == f"{os.path.normpath(sys.exec_prefix)}/local"
+        and cmd.prefix == f"{os.path.normpath(sys.prefix)}/local"
+    )
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_slackware_scheme() -> bool:
+    """Slackware patches sysconfig but fails to patch distutils and site.
+
+    Slackware changes sysconfig's user scheme to use ``"lib64"`` for the lib
+    path, but does not do the same to the site module.
+    """
+    if user_site is None:  # User-site not available.
+        return False
+    try:
+        paths = sysconfig.get_paths(scheme="posix_user", expand=False)
+    except KeyError:  # User-site not available.
+        return False
+    return "/lib64/" in paths["purelib"] and "/lib64/" not in user_site
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_msys2_mingw_scheme() -> bool:
+    """MSYS2 patches distutils and sysconfig to use a UNIX-like scheme.
+
+    However, MSYS2 incorrectly patches sysconfig ``nt`` scheme. The fix is
+    likely going to be included in their 3.10 release, so we ignore the warning.
+    See msys2/MINGW-packages#9319.
+
+    MSYS2 MINGW's patch uses lowercase ``"lib"`` instead of the usual uppercase,
+    and is missing the final ``"site-packages"``.
+    """
+    paths = sysconfig.get_paths("nt", expand=False)
+    return all(
+        "Lib" not in p and "lib" in p and not p.endswith("site-packages")
+        for p in (paths[key] for key in ("platlib", "purelib"))
+    )
+
+
+def _fix_abiflags(parts: Tuple[str]) -> Generator[str, None, None]:
+    ldversion = sysconfig.get_config_var("LDVERSION")
+    abiflags = getattr(sys, "abiflags", None)
+
+    # LDVERSION does not end with sys.abiflags. Just return the path unchanged.
+    if not ldversion or not abiflags or not ldversion.endswith(abiflags):
+        yield from parts
+        return
+
+    # Strip sys.abiflags from LDVERSION-based path components.
+    for part in parts:
+        if part.endswith(ldversion):
+            part = part[: (0 - len(abiflags))]
+        yield part
+
+
+@functools.lru_cache(maxsize=None)
+def _warn_mismatched(old: pathlib.Path, new: pathlib.Path, *, key: str) -> None:
+    issue_url = "https://github.com/pypa/pip/issues/10151"
+    message = (
+        "Value for %s does not match. Please report this to <%s>"
+        "\ndistutils: %s"
+        "\nsysconfig: %s"
+    )
+    logger.log(_MISMATCH_LEVEL, message, key, issue_url, old, new)
+
+
+def _warn_if_mismatch(old: pathlib.Path, new: pathlib.Path, *, key: str) -> bool:
+    if old == new:
+        return False
+    _warn_mismatched(old, new, key=key)
+    return True
+
+
+@functools.lru_cache(maxsize=None)
+def _log_context(
+    *,
+    user: bool = False,
+    home: Optional[str] = None,
+    root: Optional[str] = None,
+    prefix: Optional[str] = None,
+) -> None:
+    parts = [
+        "Additional context:",
+        "user = %r",
+        "home = %r",
+        "root = %r",
+        "prefix = %r",
+    ]
+
+    logger.log(_MISMATCH_LEVEL, "\n".join(parts), user, home, root, prefix)
+
+
+def get_scheme(
+    dist_name: str,
+    user: bool = False,
+    home: Optional[str] = None,
+    root: Optional[str] = None,
+    isolated: bool = False,
+    prefix: Optional[str] = None,
+) -> Scheme:
+    new = _sysconfig.get_scheme(
+        dist_name,
+        user=user,
+        home=home,
+        root=root,
+        isolated=isolated,
+        prefix=prefix,
+    )
+    if _USE_SYSCONFIG:
+        return new
+
+    old = _distutils.get_scheme(
+        dist_name,
+        user=user,
+        home=home,
+        root=root,
+        isolated=isolated,
+        prefix=prefix,
+    )
+
+    warning_contexts = []
+    for k in SCHEME_KEYS:
+        old_v = pathlib.Path(getattr(old, k))
+        new_v = pathlib.Path(getattr(new, k))
+
+        if old_v == new_v:
+            continue
+
+        # distutils incorrectly put PyPy packages under ``site-packages/python``
+        # in the ``posix_home`` scheme, but PyPy devs said they expect the
+        # directory name to be ``pypy`` instead. So we treat this as a bug fix
+        # and not warn about it. See bpo-43307 and python/cpython#24628.
+        skip_pypy_special_case = (
+            sys.implementation.name == "pypy"
+            and home is not None
+            and k in ("platlib", "purelib")
+            and old_v.parent == new_v.parent
+            and old_v.name.startswith("python")
+            and new_v.name.startswith("pypy")
+        )
+        if skip_pypy_special_case:
+            continue
+
+        # sysconfig's ``osx_framework_user`` does not include ``pythonX.Y`` in
+        # the ``include`` value, but distutils's ``headers`` does. We'll let
+        # CPython decide whether this is a bug or feature. See bpo-43948.
+        skip_osx_framework_user_special_case = (
+            user
+            and is_osx_framework()
+            and k == "headers"
+            and old_v.parent.parent == new_v.parent
+            and old_v.parent.name.startswith("python")
+        )
+        if skip_osx_framework_user_special_case:
+            continue
+
+        # On Red Hat and derived Linux distributions, distutils is patched to
+        # use "lib64" instead of "lib" for platlib.
+        if k == "platlib" and _looks_like_red_hat_lib():
+            continue
+
+        # On Python 3.9+, sysconfig's posix_user scheme sets platlib against
+        # sys.platlibdir, but distutils's unix_user incorrectly coninutes
+        # using the same $usersite for both platlib and purelib. This creates a
+        # mismatch when sys.platlibdir is not "lib".
+        skip_bpo_44860 = (
+            user
+            and k == "platlib"
+            and not WINDOWS
+            and sys.version_info >= (3, 9)
+            and _PLATLIBDIR != "lib"
+            and _looks_like_bpo_44860()
+        )
+        if skip_bpo_44860:
+            continue
+
+        # Slackware incorrectly patches posix_user to use lib64 instead of lib,
+        # but not usersite to match the location.
+        skip_slackware_user_scheme = (
+            user
+            and k in ("platlib", "purelib")
+            and not WINDOWS
+            and _looks_like_slackware_scheme()
+        )
+        if skip_slackware_user_scheme:
+            continue
+
+        # Both Debian and Red Hat patch Python to place the system site under
+        # /usr/local instead of /usr. Debian also places lib in dist-packages
+        # instead of site-packages, but the /usr/local check should cover it.
+        skip_linux_system_special_case = (
+            not (user or home or prefix or running_under_virtualenv())
+            and old_v.parts[1:3] == ("usr", "local")
+            and len(new_v.parts) > 1
+            and new_v.parts[1] == "usr"
+            and (len(new_v.parts) < 3 or new_v.parts[2] != "local")
+            and (_looks_like_red_hat_scheme() or _looks_like_debian_scheme())
+        )
+        if skip_linux_system_special_case:
+            continue
+
+        # On Python 3.7 and earlier, sysconfig does not include sys.abiflags in
+        # the "pythonX.Y" part of the path, but distutils does.
+        skip_sysconfig_abiflag_bug = (
+            sys.version_info < (3, 8)
+            and not WINDOWS
+            and k in ("headers", "platlib", "purelib")
+            and tuple(_fix_abiflags(old_v.parts)) == new_v.parts
+        )
+        if skip_sysconfig_abiflag_bug:
+            continue
+
+        # MSYS2 MINGW's sysconfig patch does not include the "site-packages"
+        # part of the path. This is incorrect and will be fixed in MSYS.
+        skip_msys2_mingw_bug = (
+            WINDOWS and k in ("platlib", "purelib") and _looks_like_msys2_mingw_scheme()
+        )
+        if skip_msys2_mingw_bug:
+            continue
+
+        # CPython's POSIX install script invokes pip (via ensurepip) against the
+        # interpreter located in the source tree, not the install site. This
+        # triggers special logic in sysconfig that's not present in distutils.
+        # https://github.com/python/cpython/blob/8c21941ddaf/Lib/sysconfig.py#L178-L194
+        skip_cpython_build = (
+            sysconfig.is_python_build(check_home=True)
+            and not WINDOWS
+            and k in ("headers", "include", "platinclude")
+        )
+        if skip_cpython_build:
+            continue
+
+        warning_contexts.append((old_v, new_v, f"scheme.{k}"))
+
+    if not warning_contexts:
+        return old
+
+    # Check if this path mismatch is caused by distutils config files. Those
+    # files will no longer work once we switch to sysconfig, so this raises a
+    # deprecation message for them.
+    default_old = _distutils.distutils_scheme(
+        dist_name,
+        user,
+        home,
+        root,
+        isolated,
+        prefix,
+        ignore_config_files=True,
+    )
+    if any(default_old[k] != getattr(old, k) for k in SCHEME_KEYS):
+        deprecated(
+            reason=(
+                "Configuring installation scheme with distutils config files "
+                "is deprecated and will no longer work in the near future. If you "
+                "are using a Homebrew or Linuxbrew Python, please see discussion "
+                "at https://github.com/Homebrew/homebrew-core/issues/76621"
+            ),
+            replacement=None,
+            gone_in=None,
+        )
+        return old
+
+    # Post warnings about this mismatch so user can report them back.
+    for old_v, new_v, key in warning_contexts:
+        _warn_mismatched(old_v, new_v, key=key)
+    _log_context(user=user, home=home, root=root, prefix=prefix)
+
+    return old
+
+
+def get_bin_prefix() -> str:
+    new = _sysconfig.get_bin_prefix()
+    if _USE_SYSCONFIG:
+        return new
+
+    old = _distutils.get_bin_prefix()
+    if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="bin_prefix"):
+        _log_context()
+    return old
+
+
+def get_bin_user() -> str:
+    return _sysconfig.get_scheme("", user=True).scripts
+
+
+def _looks_like_deb_system_dist_packages(value: str) -> bool:
+    """Check if the value is Debian's APT-controlled dist-packages.
+
+    Debian's ``distutils.sysconfig.get_python_lib()`` implementation returns the
+    default package path controlled by APT, but does not patch ``sysconfig`` to
+    do the same. This is similar to the bug worked around in ``get_scheme()``,
+    but here the default is ``deb_system`` instead of ``unix_local``. Ultimately
+    we can't do anything about this Debian bug, and this detection allows us to
+    skip the warning when needed.
+    """
+    if not _looks_like_debian_scheme():
+        return False
+    if value == "/usr/lib/python3/dist-packages":
+        return True
+    return False
+
+
+def get_purelib() -> str:
+    """Return the default pure-Python lib location."""
+    new = _sysconfig.get_purelib()
+    if _USE_SYSCONFIG:
+        return new
+
+    old = _distutils.get_purelib()
+    if _looks_like_deb_system_dist_packages(old):
+        return old
+    if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="purelib"):
+        _log_context()
+    return old
+
+
+def get_platlib() -> str:
+    """Return the default platform-shared lib location."""
+    new = _sysconfig.get_platlib()
+    if _USE_SYSCONFIG:
+        return new
+
+    from . import _distutils
+
+    old = _distutils.get_platlib()
+    if _looks_like_deb_system_dist_packages(old):
+        return old
+    if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="platlib"):
+        _log_context()
+    return old
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/_distutils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/_distutils.py
new file mode 100644
index 00000000..0e18c6e1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/_distutils.py
@@ -0,0 +1,172 @@
+"""Locations where we look for configs, install stuff, etc"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+# If pip's going to use distutils, it should not be using the copy that setuptools
+# might have injected into the environment. This is done by removing the injected
+# shim, if it's injected.
+#
+# See https://github.com/pypa/pip/issues/8761 for the original discussion and
+# rationale for why this is done within pip.
+try:
+    __import__("_distutils_hack").remove_shim()
+except (ImportError, AttributeError):
+    pass
+
+import logging
+import os
+import sys
+from distutils.cmd import Command as DistutilsCommand
+from distutils.command.install import SCHEME_KEYS
+from distutils.command.install import install as distutils_install_command
+from distutils.sysconfig import get_python_lib
+from typing import Dict, List, Optional, Union, cast
+
+from pip._internal.models.scheme import Scheme
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from .base import get_major_minor_version
+
+logger = logging.getLogger(__name__)
+
+
+def distutils_scheme(
+    dist_name: str,
+    user: bool = False,
+    home: Optional[str] = None,
+    root: Optional[str] = None,
+    isolated: bool = False,
+    prefix: Optional[str] = None,
+    *,
+    ignore_config_files: bool = False,
+) -> Dict[str, str]:
+    """
+    Return a distutils install scheme
+    """
+    from distutils.dist import Distribution
+
+    dist_args: Dict[str, Union[str, List[str]]] = {"name": dist_name}
+    if isolated:
+        dist_args["script_args"] = ["--no-user-cfg"]
+
+    d = Distribution(dist_args)
+    if not ignore_config_files:
+        try:
+            d.parse_config_files()
+        except UnicodeDecodeError:
+            paths = d.find_config_files()
+            logger.warning(
+                "Ignore distutils configs in %s due to encoding errors.",
+                ", ".join(os.path.basename(p) for p in paths),
+            )
+    obj: Optional[DistutilsCommand] = None
+    obj = d.get_command_obj("install", create=True)
+    assert obj is not None
+    i = cast(distutils_install_command, obj)
+    # NOTE: setting user or home has the side-effect of creating the home dir
+    # or user base for installations during finalize_options()
+    # ideally, we'd prefer a scheme class that has no side-effects.
+    assert not (user and prefix), f"user={user} prefix={prefix}"
+    assert not (home and prefix), f"home={home} prefix={prefix}"
+    i.user = user or i.user
+    if user or home:
+        i.prefix = ""
+    i.prefix = prefix or i.prefix
+    i.home = home or i.home
+    i.root = root or i.root
+    i.finalize_options()
+
+    scheme = {}
+    for key in SCHEME_KEYS:
+        scheme[key] = getattr(i, "install_" + key)
+
+    # install_lib specified in setup.cfg should install *everything*
+    # into there (i.e. it takes precedence over both purelib and
+    # platlib).  Note, i.install_lib is *always* set after
+    # finalize_options(); we only want to override here if the user
+    # has explicitly requested it hence going back to the config
+    if "install_lib" in d.get_option_dict("install"):
+        scheme.update({"purelib": i.install_lib, "platlib": i.install_lib})
+
+    if running_under_virtualenv():
+        if home:
+            prefix = home
+        elif user:
+            prefix = i.install_userbase
+        else:
+            prefix = i.prefix
+        scheme["headers"] = os.path.join(
+            prefix,
+            "include",
+            "site",
+            f"python{get_major_minor_version()}",
+            dist_name,
+        )
+
+        if root is not None:
+            path_no_drive = os.path.splitdrive(os.path.abspath(scheme["headers"]))[1]
+            scheme["headers"] = os.path.join(root, path_no_drive[1:])
+
+    return scheme
+
+
+def get_scheme(
+    dist_name: str,
+    user: bool = False,
+    home: Optional[str] = None,
+    root: Optional[str] = None,
+    isolated: bool = False,
+    prefix: Optional[str] = None,
+) -> Scheme:
+    """
+    Get the "scheme" corresponding to the input parameters. The distutils
+    documentation provides the context for the available schemes:
+    https://docs.python.org/3/install/index.html#alternate-installation
+
+    :param dist_name: the name of the package to retrieve the scheme for, used
+        in the headers scheme path
+    :param user: indicates to use the "user" scheme
+    :param home: indicates to use the "home" scheme and provides the base
+        directory for the same
+    :param root: root under which other directories are re-based
+    :param isolated: equivalent to --no-user-cfg, i.e. do not consider
+        ~/.pydistutils.cfg (posix) or ~/pydistutils.cfg (non-posix) for
+        scheme paths
+    :param prefix: indicates to use the "prefix" scheme and provides the
+        base directory for the same
+    """
+    scheme = distutils_scheme(dist_name, user, home, root, isolated, prefix)
+    return Scheme(
+        platlib=scheme["platlib"],
+        purelib=scheme["purelib"],
+        headers=scheme["headers"],
+        scripts=scheme["scripts"],
+        data=scheme["data"],
+    )
+
+
+def get_bin_prefix() -> str:
+    # XXX: In old virtualenv versions, sys.prefix can contain '..' components,
+    # so we need to call normpath to eliminate them.
+    prefix = os.path.normpath(sys.prefix)
+    if WINDOWS:
+        bin_py = os.path.join(prefix, "Scripts")
+        # buildout uses 'bin' on Windows too?
+        if not os.path.exists(bin_py):
+            bin_py = os.path.join(prefix, "bin")
+        return bin_py
+    # Forcing to use /usr/local/bin for standard macOS framework installs
+    # Also log to ~/Library/Logs/ for use with the Console.app log viewer
+    if sys.platform[:6] == "darwin" and prefix[:16] == "/System/Library/":
+        return "/usr/local/bin"
+    return os.path.join(prefix, "bin")
+
+
+def get_purelib() -> str:
+    return get_python_lib(plat_specific=False)
+
+
+def get_platlib() -> str:
+    return get_python_lib(plat_specific=True)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/_sysconfig.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/_sysconfig.py
new file mode 100644
index 00000000..97aef1f1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/_sysconfig.py
@@ -0,0 +1,213 @@
+import logging
+import os
+import sys
+import sysconfig
+import typing
+
+from pip._internal.exceptions import InvalidSchemeCombination, UserInstallationInvalid
+from pip._internal.models.scheme import SCHEME_KEYS, Scheme
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from .base import change_root, get_major_minor_version, is_osx_framework
+
+logger = logging.getLogger(__name__)
+
+
+# Notes on _infer_* functions.
+# Unfortunately ``get_default_scheme()`` didn't exist before 3.10, so there's no
+# way to ask things like "what is the '_prefix' scheme on this platform". These
+# functions try to answer that with some heuristics while accounting for ad-hoc
+# platforms not covered by CPython's default sysconfig implementation. If the
+# ad-hoc implementation does not fully implement sysconfig, we'll fall back to
+# a POSIX scheme.
+
+_AVAILABLE_SCHEMES = set(sysconfig.get_scheme_names())
+
+_PREFERRED_SCHEME_API = getattr(sysconfig, "get_preferred_scheme", None)
+
+
+def _should_use_osx_framework_prefix() -> bool:
+    """Check for Apple's ``osx_framework_library`` scheme.
+
+    Python distributed by Apple's Command Line Tools has this special scheme
+    that's used when:
+
+    * This is a framework build.
+    * We are installing into the system prefix.
+
+    This does not account for ``pip install --prefix`` (also means we're not
+    installing to the system prefix), which should use ``posix_prefix``, but
+    logic here means ``_infer_prefix()`` outputs ``osx_framework_library``. But
+    since ``prefix`` is not available for ``sysconfig.get_default_scheme()``,
+    which is the stdlib replacement for ``_infer_prefix()``, presumably Apple
+    wouldn't be able to magically switch between ``osx_framework_library`` and
+    ``posix_prefix``. ``_infer_prefix()`` returning ``osx_framework_library``
+    means its behavior is consistent whether we use the stdlib implementation
+    or our own, and we deal with this special case in ``get_scheme()`` instead.
+    """
+    return (
+        "osx_framework_library" in _AVAILABLE_SCHEMES
+        and not running_under_virtualenv()
+        and is_osx_framework()
+    )
+
+
+def _infer_prefix() -> str:
+    """Try to find a prefix scheme for the current platform.
+
+    This tries:
+
+    * A special ``osx_framework_library`` for Python distributed by Apple's
+      Command Line Tools, when not running in a virtual environment.
+    * Implementation + OS, used by PyPy on Windows (``pypy_nt``).
+    * Implementation without OS, used by PyPy on POSIX (``pypy``).
+    * OS + "prefix", used by CPython on POSIX (``posix_prefix``).
+    * Just the OS name, used by CPython on Windows (``nt``).
+
+    If none of the above works, fall back to ``posix_prefix``.
+    """
+    if _PREFERRED_SCHEME_API:
+        return _PREFERRED_SCHEME_API("prefix")
+    if _should_use_osx_framework_prefix():
+        return "osx_framework_library"
+    implementation_suffixed = f"{sys.implementation.name}_{os.name}"
+    if implementation_suffixed in _AVAILABLE_SCHEMES:
+        return implementation_suffixed
+    if sys.implementation.name in _AVAILABLE_SCHEMES:
+        return sys.implementation.name
+    suffixed = f"{os.name}_prefix"
+    if suffixed in _AVAILABLE_SCHEMES:
+        return suffixed
+    if os.name in _AVAILABLE_SCHEMES:  # On Windows, prefx is just called "nt".
+        return os.name
+    return "posix_prefix"
+
+
+def _infer_user() -> str:
+    """Try to find a user scheme for the current platform."""
+    if _PREFERRED_SCHEME_API:
+        return _PREFERRED_SCHEME_API("user")
+    if is_osx_framework() and not running_under_virtualenv():
+        suffixed = "osx_framework_user"
+    else:
+        suffixed = f"{os.name}_user"
+    if suffixed in _AVAILABLE_SCHEMES:
+        return suffixed
+    if "posix_user" not in _AVAILABLE_SCHEMES:  # User scheme unavailable.
+        raise UserInstallationInvalid()
+    return "posix_user"
+
+
+def _infer_home() -> str:
+    """Try to find a home for the current platform."""
+    if _PREFERRED_SCHEME_API:
+        return _PREFERRED_SCHEME_API("home")
+    suffixed = f"{os.name}_home"
+    if suffixed in _AVAILABLE_SCHEMES:
+        return suffixed
+    return "posix_home"
+
+
+# Update these keys if the user sets a custom home.
+_HOME_KEYS = [
+    "installed_base",
+    "base",
+    "installed_platbase",
+    "platbase",
+    "prefix",
+    "exec_prefix",
+]
+if sysconfig.get_config_var("userbase") is not None:
+    _HOME_KEYS.append("userbase")
+
+
+def get_scheme(
+    dist_name: str,
+    user: bool = False,
+    home: typing.Optional[str] = None,
+    root: typing.Optional[str] = None,
+    isolated: bool = False,
+    prefix: typing.Optional[str] = None,
+) -> Scheme:
+    """
+    Get the "scheme" corresponding to the input parameters.
+
+    :param dist_name: the name of the package to retrieve the scheme for, used
+        in the headers scheme path
+    :param user: indicates to use the "user" scheme
+    :param home: indicates to use the "home" scheme
+    :param root: root under which other directories are re-based
+    :param isolated: ignored, but kept for distutils compatibility (where
+        this controls whether the user-site pydistutils.cfg is honored)
+    :param prefix: indicates to use the "prefix" scheme and provides the
+        base directory for the same
+    """
+    if user and prefix:
+        raise InvalidSchemeCombination("--user", "--prefix")
+    if home and prefix:
+        raise InvalidSchemeCombination("--home", "--prefix")
+
+    if home is not None:
+        scheme_name = _infer_home()
+    elif user:
+        scheme_name = _infer_user()
+    else:
+        scheme_name = _infer_prefix()
+
+    # Special case: When installing into a custom prefix, use posix_prefix
+    # instead of osx_framework_library. See _should_use_osx_framework_prefix()
+    # docstring for details.
+    if prefix is not None and scheme_name == "osx_framework_library":
+        scheme_name = "posix_prefix"
+
+    if home is not None:
+        variables = {k: home for k in _HOME_KEYS}
+    elif prefix is not None:
+        variables = {k: prefix for k in _HOME_KEYS}
+    else:
+        variables = {}
+
+    paths = sysconfig.get_paths(scheme=scheme_name, vars=variables)
+
+    # Logic here is very arbitrary, we're doing it for compatibility, don't ask.
+    # 1. Pip historically uses a special header path in virtual environments.
+    # 2. If the distribution name is not known, distutils uses 'UNKNOWN'. We
+    #    only do the same when not running in a virtual environment because
+    #    pip's historical header path logic (see point 1) did not do this.
+    if running_under_virtualenv():
+        if user:
+            base = variables.get("userbase", sys.prefix)
+        else:
+            base = variables.get("base", sys.prefix)
+        python_xy = f"python{get_major_minor_version()}"
+        paths["include"] = os.path.join(base, "include", "site", python_xy)
+    elif not dist_name:
+        dist_name = "UNKNOWN"
+
+    scheme = Scheme(
+        platlib=paths["platlib"],
+        purelib=paths["purelib"],
+        headers=os.path.join(paths["include"], dist_name),
+        scripts=paths["scripts"],
+        data=paths["data"],
+    )
+    if root is not None:
+        for key in SCHEME_KEYS:
+            value = change_root(root, getattr(scheme, key))
+            setattr(scheme, key, value)
+    return scheme
+
+
+def get_bin_prefix() -> str:
+    # Forcing to use /usr/local/bin for standard macOS framework installs.
+    if sys.platform[:6] == "darwin" and sys.prefix[:16] == "/System/Library/":
+        return "/usr/local/bin"
+    return sysconfig.get_paths()["scripts"]
+
+
+def get_purelib() -> str:
+    return sysconfig.get_paths()["purelib"]
+
+
+def get_platlib() -> str:
+    return sysconfig.get_paths()["platlib"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/base.py
new file mode 100644
index 00000000..3f9f896e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/locations/base.py
@@ -0,0 +1,81 @@
+import functools
+import os
+import site
+import sys
+import sysconfig
+import typing
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.utils import appdirs
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+# Application Directories
+USER_CACHE_DIR = appdirs.user_cache_dir("pip")
+
+# FIXME doesn't account for venv linked to global site-packages
+site_packages: str = sysconfig.get_path("purelib")
+
+
+def get_major_minor_version() -> str:
+    """
+    Return the major-minor version of the current Python as a string, e.g.
+    "3.7" or "3.10".
+    """
+    return "{}.{}".format(*sys.version_info)
+
+
+def change_root(new_root: str, pathname: str) -> str:
+    """Return 'pathname' with 'new_root' prepended.
+
+    If 'pathname' is relative, this is equivalent to os.path.join(new_root, pathname).
+    Otherwise, it requires making 'pathname' relative and then joining the
+    two, which is tricky on DOS/Windows and Mac OS.
+
+    This is borrowed from Python's standard library's distutils module.
+    """
+    if os.name == "posix":
+        if not os.path.isabs(pathname):
+            return os.path.join(new_root, pathname)
+        else:
+            return os.path.join(new_root, pathname[1:])
+
+    elif os.name == "nt":
+        (drive, path) = os.path.splitdrive(pathname)
+        if path[0] == "\\":
+            path = path[1:]
+        return os.path.join(new_root, path)
+
+    else:
+        raise InstallationError(
+            f"Unknown platform: {os.name}\n"
+            "Can not change root path prefix on unknown platform."
+        )
+
+
+def get_src_prefix() -> str:
+    if running_under_virtualenv():
+        src_prefix = os.path.join(sys.prefix, "src")
+    else:
+        # FIXME: keep src in cwd for now (it is not a temporary folder)
+        try:
+            src_prefix = os.path.join(os.getcwd(), "src")
+        except OSError:
+            # In case the current working directory has been renamed or deleted
+            sys.exit("The folder you are executing pip from can no longer be found.")
+
+    # under macOS + virtualenv sys.prefix is not properly resolved
+    # it is something like /path/to/python/bin/..
+    return os.path.abspath(src_prefix)
+
+
+try:
+    # Use getusersitepackages if this is present, as it ensures that the
+    # value is initialised properly.
+    user_site: typing.Optional[str] = site.getusersitepackages()
+except AttributeError:
+    user_site = site.USER_SITE
+
+
+@functools.lru_cache(maxsize=None)
+def is_osx_framework() -> bool:
+    return bool(sysconfig.get_config_var("PYTHONFRAMEWORK"))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/main.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/main.py
new file mode 100644
index 00000000..33c6d24c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/main.py
@@ -0,0 +1,12 @@
+from typing import List, Optional
+
+
+def main(args: Optional[List[str]] = None) -> int:
+    """This is preserved for old console scripts that may still be referencing
+    it.
+
+    For additional details, see https://github.com/pypa/pip/issues/7498.
+    """
+    from pip._internal.utils.entrypoints import _wrapper
+
+    return _wrapper(args)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/__init__.py
new file mode 100644
index 00000000..aa232b6c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/__init__.py
@@ -0,0 +1,128 @@
+import contextlib
+import functools
+import os
+import sys
+from typing import TYPE_CHECKING, List, Optional, Type, cast
+
+from pip._internal.utils.misc import strtobool
+
+from .base import BaseDistribution, BaseEnvironment, FilesystemWheel, MemoryWheel, Wheel
+
+if TYPE_CHECKING:
+    from typing import Literal, Protocol
+else:
+    Protocol = object
+
+__all__ = [
+    "BaseDistribution",
+    "BaseEnvironment",
+    "FilesystemWheel",
+    "MemoryWheel",
+    "Wheel",
+    "get_default_environment",
+    "get_environment",
+    "get_wheel_distribution",
+    "select_backend",
+]
+
+
+def _should_use_importlib_metadata() -> bool:
+    """Whether to use the ``importlib.metadata`` or ``pkg_resources`` backend.
+
+    By default, pip uses ``importlib.metadata`` on Python 3.11+, and
+    ``pkg_resourcess`` otherwise. This can be overridden by a couple of ways:
+
+    * If environment variable ``_PIP_USE_IMPORTLIB_METADATA`` is set, it
+      dictates whether ``importlib.metadata`` is used, regardless of Python
+      version.
+    * On Python 3.11+, Python distributors can patch ``importlib.metadata``
+      to add a global constant ``_PIP_USE_IMPORTLIB_METADATA = False``. This
+      makes pip use ``pkg_resources`` (unless the user set the aforementioned
+      environment variable to *True*).
+    """
+    with contextlib.suppress(KeyError, ValueError):
+        return bool(strtobool(os.environ["_PIP_USE_IMPORTLIB_METADATA"]))
+    if sys.version_info < (3, 11):
+        return False
+    import importlib.metadata
+
+    return bool(getattr(importlib.metadata, "_PIP_USE_IMPORTLIB_METADATA", True))
+
+
+class Backend(Protocol):
+    NAME: 'Literal["importlib", "pkg_resources"]'
+    Distribution: Type[BaseDistribution]
+    Environment: Type[BaseEnvironment]
+
+
+@functools.lru_cache(maxsize=None)
+def select_backend() -> Backend:
+    if _should_use_importlib_metadata():
+        from . import importlib
+
+        return cast(Backend, importlib)
+    from . import pkg_resources
+
+    return cast(Backend, pkg_resources)
+
+
+def get_default_environment() -> BaseEnvironment:
+    """Get the default representation for the current environment.
+
+    This returns an Environment instance from the chosen backend. The default
+    Environment instance should be built from ``sys.path`` and may use caching
+    to share instance state accorss calls.
+    """
+    return select_backend().Environment.default()
+
+
+def get_environment(paths: Optional[List[str]]) -> BaseEnvironment:
+    """Get a representation of the environment specified by ``paths``.
+
+    This returns an Environment instance from the chosen backend based on the
+    given import paths. The backend must build a fresh instance representing
+    the state of installed distributions when this function is called.
+    """
+    return select_backend().Environment.from_paths(paths)
+
+
+def get_directory_distribution(directory: str) -> BaseDistribution:
+    """Get the distribution metadata representation in the specified directory.
+
+    This returns a Distribution instance from the chosen backend based on
+    the given on-disk ``.dist-info`` directory.
+    """
+    return select_backend().Distribution.from_directory(directory)
+
+
+def get_wheel_distribution(wheel: Wheel, canonical_name: str) -> BaseDistribution:
+    """Get the representation of the specified wheel's distribution metadata.
+
+    This returns a Distribution instance from the chosen backend based on
+    the given wheel's ``.dist-info`` directory.
+
+    :param canonical_name: Normalized project name of the given wheel.
+    """
+    return select_backend().Distribution.from_wheel(wheel, canonical_name)
+
+
+def get_metadata_distribution(
+    metadata_contents: bytes,
+    filename: str,
+    canonical_name: str,
+) -> BaseDistribution:
+    """Get the dist representation of the specified METADATA file contents.
+
+    This returns a Distribution instance from the chosen backend sourced from the data
+    in `metadata_contents`.
+
+    :param metadata_contents: Contents of a METADATA file within a dist, or one served
+                              via PEP 658.
+    :param filename: Filename for the dist this metadata represents.
+    :param canonical_name: Normalized project name of the given dist.
+    """
+    return select_backend().Distribution.from_metadata_file_contents(
+        metadata_contents,
+        filename,
+        canonical_name,
+    )
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/_json.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/_json.py
new file mode 100644
index 00000000..27362fc7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/_json.py
@@ -0,0 +1,84 @@
+# Extracted from https://github.com/pfmoore/pkg_metadata
+
+from email.header import Header, decode_header, make_header
+from email.message import Message
+from typing import Any, Dict, List, Union
+
+METADATA_FIELDS = [
+    # Name, Multiple-Use
+    ("Metadata-Version", False),
+    ("Name", False),
+    ("Version", False),
+    ("Dynamic", True),
+    ("Platform", True),
+    ("Supported-Platform", True),
+    ("Summary", False),
+    ("Description", False),
+    ("Description-Content-Type", False),
+    ("Keywords", False),
+    ("Home-page", False),
+    ("Download-URL", False),
+    ("Author", False),
+    ("Author-email", False),
+    ("Maintainer", False),
+    ("Maintainer-email", False),
+    ("License", False),
+    ("Classifier", True),
+    ("Requires-Dist", True),
+    ("Requires-Python", False),
+    ("Requires-External", True),
+    ("Project-URL", True),
+    ("Provides-Extra", True),
+    ("Provides-Dist", True),
+    ("Obsoletes-Dist", True),
+]
+
+
+def json_name(field: str) -> str:
+    return field.lower().replace("-", "_")
+
+
+def msg_to_json(msg: Message) -> Dict[str, Any]:
+    """Convert a Message object into a JSON-compatible dictionary."""
+
+    def sanitise_header(h: Union[Header, str]) -> str:
+        if isinstance(h, Header):
+            chunks = []
+            for bytes, encoding in decode_header(h):
+                if encoding == "unknown-8bit":
+                    try:
+                        # See if UTF-8 works
+                        bytes.decode("utf-8")
+                        encoding = "utf-8"
+                    except UnicodeDecodeError:
+                        # If not, latin1 at least won't fail
+                        encoding = "latin1"
+                chunks.append((bytes, encoding))
+            return str(make_header(chunks))
+        return str(h)
+
+    result = {}
+    for field, multi in METADATA_FIELDS:
+        if field not in msg:
+            continue
+        key = json_name(field)
+        if multi:
+            value: Union[str, List[str]] = [
+                sanitise_header(v) for v in msg.get_all(field)  # type: ignore
+            ]
+        else:
+            value = sanitise_header(msg.get(field))  # type: ignore
+            if key == "keywords":
+                # Accept both comma-separated and space-separated
+                # forms, for better compatibility with old data.
+                if "," in value:
+                    value = [v.strip() for v in value.split(",")]
+                else:
+                    value = value.split()
+        result[key] = value
+
+    payload = msg.get_payload()
+    if payload:
+        result["description"] = payload
+
+    return result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/base.py
new file mode 100644
index 00000000..92491244
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/base.py
@@ -0,0 +1,702 @@
+import csv
+import email.message
+import functools
+import json
+import logging
+import pathlib
+import re
+import zipfile
+from typing import (
+    IO,
+    TYPE_CHECKING,
+    Any,
+    Collection,
+    Container,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    NamedTuple,
+    Optional,
+    Tuple,
+    Union,
+)
+
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.specifiers import InvalidSpecifier, SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.packaging.version import LegacyVersion, Version
+
+from pip._internal.exceptions import NoneMetadataError
+from pip._internal.locations import site_packages, user_site
+from pip._internal.models.direct_url import (
+    DIRECT_URL_METADATA_NAME,
+    DirectUrl,
+    DirectUrlValidationError,
+)
+from pip._internal.utils.compat import stdlib_pkgs  # TODO: Move definition here.
+from pip._internal.utils.egg_link import egg_link_path_from_sys_path
+from pip._internal.utils.misc import is_local, normalize_path
+from pip._internal.utils.urls import url_to_path
+
+from ._json import msg_to_json
+
+if TYPE_CHECKING:
+    from typing import Protocol
+else:
+    Protocol = object
+
+DistributionVersion = Union[LegacyVersion, Version]
+
+InfoPath = Union[str, pathlib.PurePath]
+
+logger = logging.getLogger(__name__)
+
+
+class BaseEntryPoint(Protocol):
+    @property
+    def name(self) -> str:
+        raise NotImplementedError()
+
+    @property
+    def value(self) -> str:
+        raise NotImplementedError()
+
+    @property
+    def group(self) -> str:
+        raise NotImplementedError()
+
+
+def _convert_installed_files_path(
+    entry: Tuple[str, ...],
+    info: Tuple[str, ...],
+) -> str:
+    """Convert a legacy installed-files.txt path into modern RECORD path.
+
+    The legacy format stores paths relative to the info directory, while the
+    modern format stores paths relative to the package root, e.g. the
+    site-packages directory.
+
+    :param entry: Path parts of the installed-files.txt entry.
+    :param info: Path parts of the egg-info directory relative to package root.
+    :returns: The converted entry.
+
+    For best compatibility with symlinks, this does not use ``abspath()`` or
+    ``Path.resolve()``, but tries to work with path parts:
+
+    1. While ``entry`` starts with ``..``, remove the equal amounts of parts
+       from ``info``; if ``info`` is empty, start appending ``..`` instead.
+    2. Join the two directly.
+    """
+    while entry and entry[0] == "..":
+        if not info or info[-1] == "..":
+            info += ("..",)
+        else:
+            info = info[:-1]
+        entry = entry[1:]
+    return str(pathlib.Path(*info, *entry))
+
+
+class RequiresEntry(NamedTuple):
+    requirement: str
+    extra: str
+    marker: str
+
+
+class BaseDistribution(Protocol):
+    @classmethod
+    def from_directory(cls, directory: str) -> "BaseDistribution":
+        """Load the distribution from a metadata directory.
+
+        :param directory: Path to a metadata directory, e.g. ``.dist-info``.
+        """
+        raise NotImplementedError()
+
+    @classmethod
+    def from_metadata_file_contents(
+        cls,
+        metadata_contents: bytes,
+        filename: str,
+        project_name: str,
+    ) -> "BaseDistribution":
+        """Load the distribution from the contents of a METADATA file.
+
+        This is used to implement PEP 658 by generating a "shallow" dist object that can
+        be used for resolution without downloading or building the actual dist yet.
+
+        :param metadata_contents: The contents of a METADATA file.
+        :param filename: File name for the dist with this metadata.
+        :param project_name: Name of the project this dist represents.
+        """
+        raise NotImplementedError()
+
+    @classmethod
+    def from_wheel(cls, wheel: "Wheel", name: str) -> "BaseDistribution":
+        """Load the distribution from a given wheel.
+
+        :param wheel: A concrete wheel definition.
+        :param name: File name of the wheel.
+
+        :raises InvalidWheel: Whenever loading of the wheel causes a
+            :py:exc:`zipfile.BadZipFile` exception to be thrown.
+        :raises UnsupportedWheel: If the wheel is a valid zip, but malformed
+            internally.
+        """
+        raise NotImplementedError()
+
+    def __repr__(self) -> str:
+        return f"{self.raw_name} {self.version} ({self.location})"
+
+    def __str__(self) -> str:
+        return f"{self.raw_name} {self.version}"
+
+    @property
+    def location(self) -> Optional[str]:
+        """Where the distribution is loaded from.
+
+        A string value is not necessarily a filesystem path, since distributions
+        can be loaded from other sources, e.g. arbitrary zip archives. ``None``
+        means the distribution is created in-memory.
+
+        Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If
+        this is a symbolic link, we want to preserve the relative path between
+        it and files in the distribution.
+        """
+        raise NotImplementedError()
+
+    @property
+    def editable_project_location(self) -> Optional[str]:
+        """The project location for editable distributions.
+
+        This is the directory where pyproject.toml or setup.py is located.
+        None if the distribution is not installed in editable mode.
+        """
+        # TODO: this property is relatively costly to compute, memoize it ?
+        direct_url = self.direct_url
+        if direct_url:
+            if direct_url.is_local_editable():
+                return url_to_path(direct_url.url)
+        else:
+            # Search for an .egg-link file by walking sys.path, as it was
+            # done before by dist_is_editable().
+            egg_link_path = egg_link_path_from_sys_path(self.raw_name)
+            if egg_link_path:
+                # TODO: get project location from second line of egg_link file
+                #       (https://github.com/pypa/pip/issues/10243)
+                return self.location
+        return None
+
+    @property
+    def installed_location(self) -> Optional[str]:
+        """The distribution's "installed" location.
+
+        This should generally be a ``site-packages`` directory. This is
+        usually ``dist.location``, except for legacy develop-installed packages,
+        where ``dist.location`` is the source code location, and this is where
+        the ``.egg-link`` file is.
+
+        The returned location is normalized (in particular, with symlinks removed).
+        """
+        raise NotImplementedError()
+
+    @property
+    def info_location(self) -> Optional[str]:
+        """Location of the .[egg|dist]-info directory or file.
+
+        Similarly to ``location``, a string value is not necessarily a
+        filesystem path. ``None`` means the distribution is created in-memory.
+
+        For a modern .dist-info installation on disk, this should be something
+        like ``{location}/{raw_name}-{version}.dist-info``.
+
+        Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If
+        this is a symbolic link, we want to preserve the relative path between
+        it and other files in the distribution.
+        """
+        raise NotImplementedError()
+
+    @property
+    def installed_by_distutils(self) -> bool:
+        """Whether this distribution is installed with legacy distutils format.
+
+        A distribution installed with "raw" distutils not patched by setuptools
+        uses one single file at ``info_location`` to store metadata. We need to
+        treat this specially on uninstallation.
+        """
+        info_location = self.info_location
+        if not info_location:
+            return False
+        return pathlib.Path(info_location).is_file()
+
+    @property
+    def installed_as_egg(self) -> bool:
+        """Whether this distribution is installed as an egg.
+
+        This usually indicates the distribution was installed by (older versions
+        of) easy_install.
+        """
+        location = self.location
+        if not location:
+            return False
+        return location.endswith(".egg")
+
+    @property
+    def installed_with_setuptools_egg_info(self) -> bool:
+        """Whether this distribution is installed with the ``.egg-info`` format.
+
+        This usually indicates the distribution was installed with setuptools
+        with an old pip version or with ``single-version-externally-managed``.
+
+        Note that this ensure the metadata store is a directory. distutils can
+        also installs an ``.egg-info``, but as a file, not a directory. This
+        property is *False* for that case. Also see ``installed_by_distutils``.
+        """
+        info_location = self.info_location
+        if not info_location:
+            return False
+        if not info_location.endswith(".egg-info"):
+            return False
+        return pathlib.Path(info_location).is_dir()
+
+    @property
+    def installed_with_dist_info(self) -> bool:
+        """Whether this distribution is installed with the "modern format".
+
+        This indicates a "modern" installation, e.g. storing metadata in the
+        ``.dist-info`` directory. This applies to installations made by
+        setuptools (but through pip, not directly), or anything using the
+        standardized build backend interface (PEP 517).
+        """
+        info_location = self.info_location
+        if not info_location:
+            return False
+        if not info_location.endswith(".dist-info"):
+            return False
+        return pathlib.Path(info_location).is_dir()
+
+    @property
+    def canonical_name(self) -> NormalizedName:
+        raise NotImplementedError()
+
+    @property
+    def version(self) -> DistributionVersion:
+        raise NotImplementedError()
+
+    @property
+    def setuptools_filename(self) -> str:
+        """Convert a project name to its setuptools-compatible filename.
+
+        This is a copy of ``pkg_resources.to_filename()`` for compatibility.
+        """
+        return self.raw_name.replace("-", "_")
+
+    @property
+    def direct_url(self) -> Optional[DirectUrl]:
+        """Obtain a DirectUrl from this distribution.
+
+        Returns None if the distribution has no `direct_url.json` metadata,
+        or if `direct_url.json` is invalid.
+        """
+        try:
+            content = self.read_text(DIRECT_URL_METADATA_NAME)
+        except FileNotFoundError:
+            return None
+        try:
+            return DirectUrl.from_json(content)
+        except (
+            UnicodeDecodeError,
+            json.JSONDecodeError,
+            DirectUrlValidationError,
+        ) as e:
+            logger.warning(
+                "Error parsing %s for %s: %s",
+                DIRECT_URL_METADATA_NAME,
+                self.canonical_name,
+                e,
+            )
+            return None
+
+    @property
+    def installer(self) -> str:
+        try:
+            installer_text = self.read_text("INSTALLER")
+        except (OSError, ValueError, NoneMetadataError):
+            return ""  # Fail silently if the installer file cannot be read.
+        for line in installer_text.splitlines():
+            cleaned_line = line.strip()
+            if cleaned_line:
+                return cleaned_line
+        return ""
+
+    @property
+    def requested(self) -> bool:
+        return self.is_file("REQUESTED")
+
+    @property
+    def editable(self) -> bool:
+        return bool(self.editable_project_location)
+
+    @property
+    def local(self) -> bool:
+        """If distribution is installed in the current virtual environment.
+
+        Always True if we're not in a virtualenv.
+        """
+        if self.installed_location is None:
+            return False
+        return is_local(self.installed_location)
+
+    @property
+    def in_usersite(self) -> bool:
+        if self.installed_location is None or user_site is None:
+            return False
+        return self.installed_location.startswith(normalize_path(user_site))
+
+    @property
+    def in_site_packages(self) -> bool:
+        if self.installed_location is None or site_packages is None:
+            return False
+        return self.installed_location.startswith(normalize_path(site_packages))
+
+    def is_file(self, path: InfoPath) -> bool:
+        """Check whether an entry in the info directory is a file."""
+        raise NotImplementedError()
+
+    def iter_distutils_script_names(self) -> Iterator[str]:
+        """Find distutils 'scripts' entries metadata.
+
+        If 'scripts' is supplied in ``setup.py``, distutils records those in the
+        installed distribution's ``scripts`` directory, a file for each script.
+        """
+        raise NotImplementedError()
+
+    def read_text(self, path: InfoPath) -> str:
+        """Read a file in the info directory.
+
+        :raise FileNotFoundError: If ``path`` does not exist in the directory.
+        :raise NoneMetadataError: If ``path`` exists in the info directory, but
+            cannot be read.
+        """
+        raise NotImplementedError()
+
+    def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
+        raise NotImplementedError()
+
+    def _metadata_impl(self) -> email.message.Message:
+        raise NotImplementedError()
+
+    @functools.lru_cache(maxsize=1)
+    def _metadata_cached(self) -> email.message.Message:
+        # When we drop python 3.7 support, move this to the metadata property and use
+        # functools.cached_property instead of lru_cache.
+        metadata = self._metadata_impl()
+        self._add_egg_info_requires(metadata)
+        return metadata
+
+    @property
+    def metadata(self) -> email.message.Message:
+        """Metadata of distribution parsed from e.g. METADATA or PKG-INFO.
+
+        This should return an empty message if the metadata file is unavailable.
+
+        :raises NoneMetadataError: If the metadata file is available, but does
+            not contain valid metadata.
+        """
+        return self._metadata_cached()
+
+    @property
+    def metadata_dict(self) -> Dict[str, Any]:
+        """PEP 566 compliant JSON-serializable representation of METADATA or PKG-INFO.
+
+        This should return an empty dict if the metadata file is unavailable.
+
+        :raises NoneMetadataError: If the metadata file is available, but does
+            not contain valid metadata.
+        """
+        return msg_to_json(self.metadata)
+
+    @property
+    def metadata_version(self) -> Optional[str]:
+        """Value of "Metadata-Version:" in distribution metadata, if available."""
+        return self.metadata.get("Metadata-Version")
+
+    @property
+    def raw_name(self) -> str:
+        """Value of "Name:" in distribution metadata."""
+        # The metadata should NEVER be missing the Name: key, but if it somehow
+        # does, fall back to the known canonical name.
+        return self.metadata.get("Name", self.canonical_name)
+
+    @property
+    def requires_python(self) -> SpecifierSet:
+        """Value of "Requires-Python:" in distribution metadata.
+
+        If the key does not exist or contains an invalid value, an empty
+        SpecifierSet should be returned.
+        """
+        value = self.metadata.get("Requires-Python")
+        if value is None:
+            return SpecifierSet()
+        try:
+            # Convert to str to satisfy the type checker; this can be a Header object.
+            spec = SpecifierSet(str(value))
+        except InvalidSpecifier as e:
+            message = "Package %r has an invalid Requires-Python: %s"
+            logger.warning(message, self.raw_name, e)
+            return SpecifierSet()
+        return spec
+
+    def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
+        """Dependencies of this distribution.
+
+        For modern .dist-info distributions, this is the collection of
+        "Requires-Dist:" entries in distribution metadata.
+        """
+        raise NotImplementedError()
+
+    def iter_provided_extras(self) -> Iterable[str]:
+        """Extras provided by this distribution.
+
+        For modern .dist-info distributions, this is the collection of
+        "Provides-Extra:" entries in distribution metadata.
+
+        The return value of this function is not particularly useful other than
+        display purposes due to backward compatibility issues and the extra
+        names being poorly normalized prior to PEP 685. If you want to perform
+        logic operations on extras, use :func:`is_extra_provided` instead.
+        """
+        raise NotImplementedError()
+
+    def is_extra_provided(self, extra: str) -> bool:
+        """Check whether an extra is provided by this distribution.
+
+        This is needed mostly for compatibility issues with pkg_resources not
+        following the extra normalization rules defined in PEP 685.
+        """
+        raise NotImplementedError()
+
+    def _iter_declared_entries_from_record(self) -> Optional[Iterator[str]]:
+        try:
+            text = self.read_text("RECORD")
+        except FileNotFoundError:
+            return None
+        # This extra Path-str cast normalizes entries.
+        return (str(pathlib.Path(row[0])) for row in csv.reader(text.splitlines()))
+
+    def _iter_declared_entries_from_legacy(self) -> Optional[Iterator[str]]:
+        try:
+            text = self.read_text("installed-files.txt")
+        except FileNotFoundError:
+            return None
+        paths = (p for p in text.splitlines(keepends=False) if p)
+        root = self.location
+        info = self.info_location
+        if root is None or info is None:
+            return paths
+        try:
+            info_rel = pathlib.Path(info).relative_to(root)
+        except ValueError:  # info is not relative to root.
+            return paths
+        if not info_rel.parts:  # info *is* root.
+            return paths
+        return (
+            _convert_installed_files_path(pathlib.Path(p).parts, info_rel.parts)
+            for p in paths
+        )
+
+    def iter_declared_entries(self) -> Optional[Iterator[str]]:
+        """Iterate through file entries declared in this distribution.
+
+        For modern .dist-info distributions, this is the files listed in the
+        ``RECORD`` metadata file. For legacy setuptools distributions, this
+        comes from ``installed-files.txt``, with entries normalized to be
+        compatible with the format used by ``RECORD``.
+
+        :return: An iterator for listed entries, or None if the distribution
+            contains neither ``RECORD`` nor ``installed-files.txt``.
+        """
+        return (
+            self._iter_declared_entries_from_record()
+            or self._iter_declared_entries_from_legacy()
+        )
+
+    def _iter_requires_txt_entries(self) -> Iterator[RequiresEntry]:
+        """Parse a ``requires.txt`` in an egg-info directory.
+
+        This is an INI-ish format where an egg-info stores dependencies. A
+        section name describes extra other environment markers, while each entry
+        is an arbitrary string (not a key-value pair) representing a dependency
+        as a requirement string (no markers).
+
+        There is a construct in ``importlib.metadata`` called ``Sectioned`` that
+        does mostly the same, but the format is currently considered private.
+        """
+        try:
+            content = self.read_text("requires.txt")
+        except FileNotFoundError:
+            return
+        extra = marker = ""  # Section-less entries don't have markers.
+        for line in content.splitlines():
+            line = line.strip()
+            if not line or line.startswith("#"):  # Comment; ignored.
+                continue
+            if line.startswith("[") and line.endswith("]"):  # A section header.
+                extra, _, marker = line.strip("[]").partition(":")
+                continue
+            yield RequiresEntry(requirement=line, extra=extra, marker=marker)
+
+    def _iter_egg_info_extras(self) -> Iterable[str]:
+        """Get extras from the egg-info directory."""
+        known_extras = {""}
+        for entry in self._iter_requires_txt_entries():
+            extra = canonicalize_name(entry.extra)
+            if extra in known_extras:
+                continue
+            known_extras.add(extra)
+            yield extra
+
+    def _iter_egg_info_dependencies(self) -> Iterable[str]:
+        """Get distribution dependencies from the egg-info directory.
+
+        To ease parsing, this converts a legacy dependency entry into a PEP 508
+        requirement string. Like ``_iter_requires_txt_entries()``, there is code
+        in ``importlib.metadata`` that does mostly the same, but not do exactly
+        what we need.
+
+        Namely, ``importlib.metadata`` does not normalize the extra name before
+        putting it into the requirement string, which causes marker comparison
+        to fail because the dist-info format do normalize. This is consistent in
+        all currently available PEP 517 backends, although not standardized.
+        """
+        for entry in self._iter_requires_txt_entries():
+            extra = canonicalize_name(entry.extra)
+            if extra and entry.marker:
+                marker = f'({entry.marker}) and extra == "{extra}"'
+            elif extra:
+                marker = f'extra == "{extra}"'
+            elif entry.marker:
+                marker = entry.marker
+            else:
+                marker = ""
+            if marker:
+                yield f"{entry.requirement} ; {marker}"
+            else:
+                yield entry.requirement
+
+    def _add_egg_info_requires(self, metadata: email.message.Message) -> None:
+        """Add egg-info requires.txt information to the metadata."""
+        if not metadata.get_all("Requires-Dist"):
+            for dep in self._iter_egg_info_dependencies():
+                metadata["Requires-Dist"] = dep
+        if not metadata.get_all("Provides-Extra"):
+            for extra in self._iter_egg_info_extras():
+                metadata["Provides-Extra"] = extra
+
+
+class BaseEnvironment:
+    """An environment containing distributions to introspect."""
+
+    @classmethod
+    def default(cls) -> "BaseEnvironment":
+        raise NotImplementedError()
+
+    @classmethod
+    def from_paths(cls, paths: Optional[List[str]]) -> "BaseEnvironment":
+        raise NotImplementedError()
+
+    def get_distribution(self, name: str) -> Optional["BaseDistribution"]:
+        """Given a requirement name, return the installed distributions.
+
+        The name may not be normalized. The implementation must canonicalize
+        it for lookup.
+        """
+        raise NotImplementedError()
+
+    def _iter_distributions(self) -> Iterator["BaseDistribution"]:
+        """Iterate through installed distributions.
+
+        This function should be implemented by subclass, but never called
+        directly. Use the public ``iter_distribution()`` instead, which
+        implements additional logic to make sure the distributions are valid.
+        """
+        raise NotImplementedError()
+
+    def iter_all_distributions(self) -> Iterator[BaseDistribution]:
+        """Iterate through all installed distributions without any filtering."""
+        for dist in self._iter_distributions():
+            # Make sure the distribution actually comes from a valid Python
+            # packaging distribution. Pip's AdjacentTempDirectory leaves folders
+            # e.g. ``~atplotlib.dist-info`` if cleanup was interrupted. The
+            # valid project name pattern is taken from PEP 508.
+            project_name_valid = re.match(
+                r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$",
+                dist.canonical_name,
+                flags=re.IGNORECASE,
+            )
+            if not project_name_valid:
+                logger.warning(
+                    "Ignoring invalid distribution %s (%s)",
+                    dist.canonical_name,
+                    dist.location,
+                )
+                continue
+            yield dist
+
+    def iter_installed_distributions(
+        self,
+        local_only: bool = True,
+        skip: Container[str] = stdlib_pkgs,
+        include_editables: bool = True,
+        editables_only: bool = False,
+        user_only: bool = False,
+    ) -> Iterator[BaseDistribution]:
+        """Return a list of installed distributions.
+
+        This is based on ``iter_all_distributions()`` with additional filtering
+        options. Note that ``iter_installed_distributions()`` without arguments
+        is *not* equal to ``iter_all_distributions()``, since some of the
+        configurations exclude packages by default.
+
+        :param local_only: If True (default), only return installations
+        local to the current virtualenv, if in a virtualenv.
+        :param skip: An iterable of canonicalized project names to ignore;
+            defaults to ``stdlib_pkgs``.
+        :param include_editables: If False, don't report editables.
+        :param editables_only: If True, only report editables.
+        :param user_only: If True, only report installations in the user
+        site directory.
+        """
+        it = self.iter_all_distributions()
+        if local_only:
+            it = (d for d in it if d.local)
+        if not include_editables:
+            it = (d for d in it if not d.editable)
+        if editables_only:
+            it = (d for d in it if d.editable)
+        if user_only:
+            it = (d for d in it if d.in_usersite)
+        return (d for d in it if d.canonical_name not in skip)
+
+
+class Wheel(Protocol):
+    location: str
+
+    def as_zipfile(self) -> zipfile.ZipFile:
+        raise NotImplementedError()
+
+
+class FilesystemWheel(Wheel):
+    def __init__(self, location: str) -> None:
+        self.location = location
+
+    def as_zipfile(self) -> zipfile.ZipFile:
+        return zipfile.ZipFile(self.location, allowZip64=True)
+
+
+class MemoryWheel(Wheel):
+    def __init__(self, location: str, stream: IO[bytes]) -> None:
+        self.location = location
+        self.stream = stream
+
+    def as_zipfile(self) -> zipfile.ZipFile:
+        return zipfile.ZipFile(self.stream, allowZip64=True)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/__init__.py
new file mode 100644
index 00000000..a779138d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/__init__.py
@@ -0,0 +1,6 @@
+from ._dists import Distribution
+from ._envs import Environment
+
+__all__ = ["NAME", "Distribution", "Environment"]
+
+NAME = "importlib"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_compat.py
new file mode 100644
index 00000000..593bff23
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_compat.py
@@ -0,0 +1,55 @@
+import importlib.metadata
+from typing import Any, Optional, Protocol, cast
+
+
+class BadMetadata(ValueError):
+    def __init__(self, dist: importlib.metadata.Distribution, *, reason: str) -> None:
+        self.dist = dist
+        self.reason = reason
+
+    def __str__(self) -> str:
+        return f"Bad metadata in {self.dist} ({self.reason})"
+
+
+class BasePath(Protocol):
+    """A protocol that various path objects conform.
+
+    This exists because importlib.metadata uses both ``pathlib.Path`` and
+    ``zipfile.Path``, and we need a common base for type hints (Union does not
+    work well since ``zipfile.Path`` is too new for our linter setup).
+
+    This does not mean to be exhaustive, but only contains things that present
+    in both classes *that we need*.
+    """
+
+    @property
+    def name(self) -> str:
+        raise NotImplementedError()
+
+    @property
+    def parent(self) -> "BasePath":
+        raise NotImplementedError()
+
+
+def get_info_location(d: importlib.metadata.Distribution) -> Optional[BasePath]:
+    """Find the path to the distribution's metadata directory.
+
+    HACK: This relies on importlib.metadata's private ``_path`` attribute. Not
+    all distributions exist on disk, so importlib.metadata is correct to not
+    expose the attribute as public. But pip's code base is old and not as clean,
+    so we do this to avoid having to rewrite too many things. Hopefully we can
+    eliminate this some day.
+    """
+    return getattr(d, "_path", None)
+
+
+def get_dist_name(dist: importlib.metadata.Distribution) -> str:
+    """Get the distribution's project name.
+
+    The ``name`` attribute is only available in Python 3.10 or later. We are
+    targeting exactly that, but Mypy does not know this.
+    """
+    name = cast(Any, dist).name
+    if not isinstance(name, str):
+        raise BadMetadata(dist, reason="invalid metadata entry 'name'")
+    return name
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_dists.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_dists.py
new file mode 100644
index 00000000..26370fac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_dists.py
@@ -0,0 +1,227 @@
+import email.message
+import importlib.metadata
+import os
+import pathlib
+import zipfile
+from typing import (
+    Collection,
+    Dict,
+    Iterable,
+    Iterator,
+    Mapping,
+    Optional,
+    Sequence,
+    cast,
+)
+
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.exceptions import InvalidWheel, UnsupportedWheel
+from pip._internal.metadata.base import (
+    BaseDistribution,
+    BaseEntryPoint,
+    DistributionVersion,
+    InfoPath,
+    Wheel,
+)
+from pip._internal.utils.misc import normalize_path
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.wheel import parse_wheel, read_wheel_metadata_file
+
+from ._compat import BasePath, get_dist_name
+
+
+class WheelDistribution(importlib.metadata.Distribution):
+    """An ``importlib.metadata.Distribution`` read from a wheel.
+
+    Although ``importlib.metadata.PathDistribution`` accepts ``zipfile.Path``,
+    its implementation is too "lazy" for pip's needs (we can't keep the ZipFile
+    handle open for the entire lifetime of the distribution object).
+
+    This implementation eagerly reads the entire metadata directory into the
+    memory instead, and operates from that.
+    """
+
+    def __init__(
+        self,
+        files: Mapping[pathlib.PurePosixPath, bytes],
+        info_location: pathlib.PurePosixPath,
+    ) -> None:
+        self._files = files
+        self.info_location = info_location
+
+    @classmethod
+    def from_zipfile(
+        cls,
+        zf: zipfile.ZipFile,
+        name: str,
+        location: str,
+    ) -> "WheelDistribution":
+        info_dir, _ = parse_wheel(zf, name)
+        paths = (
+            (name, pathlib.PurePosixPath(name.split("/", 1)[-1]))
+            for name in zf.namelist()
+            if name.startswith(f"{info_dir}/")
+        )
+        files = {
+            relpath: read_wheel_metadata_file(zf, fullpath)
+            for fullpath, relpath in paths
+        }
+        info_location = pathlib.PurePosixPath(location, info_dir)
+        return cls(files, info_location)
+
+    def iterdir(self, path: InfoPath) -> Iterator[pathlib.PurePosixPath]:
+        # Only allow iterating through the metadata directory.
+        if pathlib.PurePosixPath(str(path)) in self._files:
+            return iter(self._files)
+        raise FileNotFoundError(path)
+
+    def read_text(self, filename: str) -> Optional[str]:
+        try:
+            data = self._files[pathlib.PurePosixPath(filename)]
+        except KeyError:
+            return None
+        try:
+            text = data.decode("utf-8")
+        except UnicodeDecodeError as e:
+            wheel = self.info_location.parent
+            error = f"Error decoding metadata for {wheel}: {e} in {filename} file"
+            raise UnsupportedWheel(error)
+        return text
+
+
+class Distribution(BaseDistribution):
+    def __init__(
+        self,
+        dist: importlib.metadata.Distribution,
+        info_location: Optional[BasePath],
+        installed_location: Optional[BasePath],
+    ) -> None:
+        self._dist = dist
+        self._info_location = info_location
+        self._installed_location = installed_location
+
+    @classmethod
+    def from_directory(cls, directory: str) -> BaseDistribution:
+        info_location = pathlib.Path(directory)
+        dist = importlib.metadata.Distribution.at(info_location)
+        return cls(dist, info_location, info_location.parent)
+
+    @classmethod
+    def from_metadata_file_contents(
+        cls,
+        metadata_contents: bytes,
+        filename: str,
+        project_name: str,
+    ) -> BaseDistribution:
+        # Generate temp dir to contain the metadata file, and write the file contents.
+        temp_dir = pathlib.Path(
+            TempDirectory(kind="metadata", globally_managed=True).path
+        )
+        metadata_path = temp_dir / "METADATA"
+        metadata_path.write_bytes(metadata_contents)
+        # Construct dist pointing to the newly created directory.
+        dist = importlib.metadata.Distribution.at(metadata_path.parent)
+        return cls(dist, metadata_path.parent, None)
+
+    @classmethod
+    def from_wheel(cls, wheel: Wheel, name: str) -> BaseDistribution:
+        try:
+            with wheel.as_zipfile() as zf:
+                dist = WheelDistribution.from_zipfile(zf, name, wheel.location)
+        except zipfile.BadZipFile as e:
+            raise InvalidWheel(wheel.location, name) from e
+        except UnsupportedWheel as e:
+            raise UnsupportedWheel(f"{name} has an invalid wheel, {e}")
+        return cls(dist, dist.info_location, pathlib.PurePosixPath(wheel.location))
+
+    @property
+    def location(self) -> Optional[str]:
+        if self._info_location is None:
+            return None
+        return str(self._info_location.parent)
+
+    @property
+    def info_location(self) -> Optional[str]:
+        if self._info_location is None:
+            return None
+        return str(self._info_location)
+
+    @property
+    def installed_location(self) -> Optional[str]:
+        if self._installed_location is None:
+            return None
+        return normalize_path(str(self._installed_location))
+
+    def _get_dist_name_from_location(self) -> Optional[str]:
+        """Try to get the name from the metadata directory name.
+
+        This is much faster than reading metadata.
+        """
+        if self._info_location is None:
+            return None
+        stem, suffix = os.path.splitext(self._info_location.name)
+        if suffix not in (".dist-info", ".egg-info"):
+            return None
+        return stem.split("-", 1)[0]
+
+    @property
+    def canonical_name(self) -> NormalizedName:
+        name = self._get_dist_name_from_location() or get_dist_name(self._dist)
+        return canonicalize_name(name)
+
+    @property
+    def version(self) -> DistributionVersion:
+        return parse_version(self._dist.version)
+
+    def is_file(self, path: InfoPath) -> bool:
+        return self._dist.read_text(str(path)) is not None
+
+    def iter_distutils_script_names(self) -> Iterator[str]:
+        # A distutils installation is always "flat" (not in e.g. egg form), so
+        # if this distribution's info location is NOT a pathlib.Path (but e.g.
+        # zipfile.Path), it can never contain any distutils scripts.
+        if not isinstance(self._info_location, pathlib.Path):
+            return
+        for child in self._info_location.joinpath("scripts").iterdir():
+            yield child.name
+
+    def read_text(self, path: InfoPath) -> str:
+        content = self._dist.read_text(str(path))
+        if content is None:
+            raise FileNotFoundError(path)
+        return content
+
+    def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
+        # importlib.metadata's EntryPoint structure sasitfies BaseEntryPoint.
+        return self._dist.entry_points
+
+    def _metadata_impl(self) -> email.message.Message:
+        # From Python 3.10+, importlib.metadata declares PackageMetadata as the
+        # return type. This protocol is unfortunately a disaster now and misses
+        # a ton of fields that we need, including get() and get_payload(). We
+        # rely on the implementation that the object is actually a Message now,
+        # until upstream can improve the protocol. (python/cpython#94952)
+        return cast(email.message.Message, self._dist.metadata)
+
+    def iter_provided_extras(self) -> Iterable[str]:
+        return self.metadata.get_all("Provides-Extra", [])
+
+    def is_extra_provided(self, extra: str) -> bool:
+        return any(
+            canonicalize_name(provided_extra) == canonicalize_name(extra)
+            for provided_extra in self.metadata.get_all("Provides-Extra", [])
+        )
+
+    def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
+        contexts: Sequence[Dict[str, str]] = [{"extra": e} for e in extras]
+        for req_string in self.metadata.get_all("Requires-Dist", []):
+            req = Requirement(req_string)
+            if not req.marker:
+                yield req
+            elif not extras and req.marker.evaluate({"extra": ""}):
+                yield req
+            elif any(req.marker.evaluate(context) for context in contexts):
+                yield req
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_envs.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_envs.py
new file mode 100644
index 00000000..048dc55d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/importlib/_envs.py
@@ -0,0 +1,189 @@
+import functools
+import importlib.metadata
+import logging
+import os
+import pathlib
+import sys
+import zipfile
+import zipimport
+from typing import Iterator, List, Optional, Sequence, Set, Tuple
+
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+
+from pip._internal.metadata.base import BaseDistribution, BaseEnvironment
+from pip._internal.models.wheel import Wheel
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.filetypes import WHEEL_EXTENSION
+
+from ._compat import BadMetadata, BasePath, get_dist_name, get_info_location
+from ._dists import Distribution
+
+logger = logging.getLogger(__name__)
+
+
+def _looks_like_wheel(location: str) -> bool:
+    if not location.endswith(WHEEL_EXTENSION):
+        return False
+    if not os.path.isfile(location):
+        return False
+    if not Wheel.wheel_file_re.match(os.path.basename(location)):
+        return False
+    return zipfile.is_zipfile(location)
+
+
+class _DistributionFinder:
+    """Finder to locate distributions.
+
+    The main purpose of this class is to memoize found distributions' names, so
+    only one distribution is returned for each package name. At lot of pip code
+    assumes this (because it is setuptools's behavior), and not doing the same
+    can potentially cause a distribution in lower precedence path to override a
+    higher precedence one if the caller is not careful.
+
+    Eventually we probably want to make it possible to see lower precedence
+    installations as well. It's useful feature, after all.
+    """
+
+    FoundResult = Tuple[importlib.metadata.Distribution, Optional[BasePath]]
+
+    def __init__(self) -> None:
+        self._found_names: Set[NormalizedName] = set()
+
+    def _find_impl(self, location: str) -> Iterator[FoundResult]:
+        """Find distributions in a location."""
+        # Skip looking inside a wheel. Since a package inside a wheel is not
+        # always valid (due to .data directories etc.), its .dist-info entry
+        # should not be considered an installed distribution.
+        if _looks_like_wheel(location):
+            return
+        # To know exactly where we find a distribution, we have to feed in the
+        # paths one by one, instead of dumping the list to importlib.metadata.
+        for dist in importlib.metadata.distributions(path=[location]):
+            info_location = get_info_location(dist)
+            try:
+                raw_name = get_dist_name(dist)
+            except BadMetadata as e:
+                logger.warning("Skipping %s due to %s", info_location, e.reason)
+                continue
+            normalized_name = canonicalize_name(raw_name)
+            if normalized_name in self._found_names:
+                continue
+            self._found_names.add(normalized_name)
+            yield dist, info_location
+
+    def find(self, location: str) -> Iterator[BaseDistribution]:
+        """Find distributions in a location.
+
+        The path can be either a directory, or a ZIP archive.
+        """
+        for dist, info_location in self._find_impl(location):
+            if info_location is None:
+                installed_location: Optional[BasePath] = None
+            else:
+                installed_location = info_location.parent
+            yield Distribution(dist, info_location, installed_location)
+
+    def find_linked(self, location: str) -> Iterator[BaseDistribution]:
+        """Read location in egg-link files and return distributions in there.
+
+        The path should be a directory; otherwise this returns nothing. This
+        follows how setuptools does this for compatibility. The first non-empty
+        line in the egg-link is read as a path (resolved against the egg-link's
+        containing directory if relative). Distributions found at that linked
+        location are returned.
+        """
+        path = pathlib.Path(location)
+        if not path.is_dir():
+            return
+        for child in path.iterdir():
+            if child.suffix != ".egg-link":
+                continue
+            with child.open() as f:
+                lines = (line.strip() for line in f)
+                target_rel = next((line for line in lines if line), "")
+            if not target_rel:
+                continue
+            target_location = str(path.joinpath(target_rel))
+            for dist, info_location in self._find_impl(target_location):
+                yield Distribution(dist, info_location, path)
+
+    def _find_eggs_in_dir(self, location: str) -> Iterator[BaseDistribution]:
+        from pip._vendor.pkg_resources import find_distributions
+
+        from pip._internal.metadata import pkg_resources as legacy
+
+        with os.scandir(location) as it:
+            for entry in it:
+                if not entry.name.endswith(".egg"):
+                    continue
+                for dist in find_distributions(entry.path):
+                    yield legacy.Distribution(dist)
+
+    def _find_eggs_in_zip(self, location: str) -> Iterator[BaseDistribution]:
+        from pip._vendor.pkg_resources import find_eggs_in_zip
+
+        from pip._internal.metadata import pkg_resources as legacy
+
+        try:
+            importer = zipimport.zipimporter(location)
+        except zipimport.ZipImportError:
+            return
+        for dist in find_eggs_in_zip(importer, location):
+            yield legacy.Distribution(dist)
+
+    def find_eggs(self, location: str) -> Iterator[BaseDistribution]:
+        """Find eggs in a location.
+
+        This actually uses the old *pkg_resources* backend. We likely want to
+        deprecate this so we can eventually remove the *pkg_resources*
+        dependency entirely. Before that, this should first emit a deprecation
+        warning for some versions when using the fallback since importing
+        *pkg_resources* is slow for those who don't need it.
+        """
+        if os.path.isdir(location):
+            yield from self._find_eggs_in_dir(location)
+        if zipfile.is_zipfile(location):
+            yield from self._find_eggs_in_zip(location)
+
+
+@functools.lru_cache(maxsize=None)  # Warn a distribution exactly once.
+def _emit_egg_deprecation(location: Optional[str]) -> None:
+    deprecated(
+        reason=f"Loading egg at {location} is deprecated.",
+        replacement="to use pip for package installation.",
+        gone_in="24.3",
+        issue=12330,
+    )
+
+
+class Environment(BaseEnvironment):
+    def __init__(self, paths: Sequence[str]) -> None:
+        self._paths = paths
+
+    @classmethod
+    def default(cls) -> BaseEnvironment:
+        return cls(sys.path)
+
+    @classmethod
+    def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment:
+        if paths is None:
+            return cls(sys.path)
+        return cls(paths)
+
+    def _iter_distributions(self) -> Iterator[BaseDistribution]:
+        finder = _DistributionFinder()
+        for location in self._paths:
+            yield from finder.find(location)
+            for dist in finder.find_eggs(location):
+                _emit_egg_deprecation(dist.location)
+                yield dist
+            # This must go last because that's how pkg_resources tie-breaks.
+            yield from finder.find_linked(location)
+
+    def get_distribution(self, name: str) -> Optional[BaseDistribution]:
+        matches = (
+            distribution
+            for distribution in self.iter_all_distributions()
+            if distribution.canonical_name == canonicalize_name(name)
+        )
+        return next(matches, None)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/pkg_resources.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/pkg_resources.py
new file mode 100644
index 00000000..bb11e5bd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/metadata/pkg_resources.py
@@ -0,0 +1,278 @@
+import email.message
+import email.parser
+import logging
+import os
+import zipfile
+from typing import Collection, Iterable, Iterator, List, Mapping, NamedTuple, Optional
+
+from pip._vendor import pkg_resources
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.exceptions import InvalidWheel, NoneMetadataError, UnsupportedWheel
+from pip._internal.utils.egg_link import egg_link_path_from_location
+from pip._internal.utils.misc import display_path, normalize_path
+from pip._internal.utils.wheel import parse_wheel, read_wheel_metadata_file
+
+from .base import (
+    BaseDistribution,
+    BaseEntryPoint,
+    BaseEnvironment,
+    DistributionVersion,
+    InfoPath,
+    Wheel,
+)
+
+__all__ = ["NAME", "Distribution", "Environment"]
+
+logger = logging.getLogger(__name__)
+
+NAME = "pkg_resources"
+
+
+class EntryPoint(NamedTuple):
+    name: str
+    value: str
+    group: str
+
+
+class InMemoryMetadata:
+    """IMetadataProvider that reads metadata files from a dictionary.
+
+    This also maps metadata decoding exceptions to our internal exception type.
+    """
+
+    def __init__(self, metadata: Mapping[str, bytes], wheel_name: str) -> None:
+        self._metadata = metadata
+        self._wheel_name = wheel_name
+
+    def has_metadata(self, name: str) -> bool:
+        return name in self._metadata
+
+    def get_metadata(self, name: str) -> str:
+        try:
+            return self._metadata[name].decode()
+        except UnicodeDecodeError as e:
+            # Augment the default error with the origin of the file.
+            raise UnsupportedWheel(
+                f"Error decoding metadata for {self._wheel_name}: {e} in {name} file"
+            )
+
+    def get_metadata_lines(self, name: str) -> Iterable[str]:
+        return pkg_resources.yield_lines(self.get_metadata(name))
+
+    def metadata_isdir(self, name: str) -> bool:
+        return False
+
+    def metadata_listdir(self, name: str) -> List[str]:
+        return []
+
+    def run_script(self, script_name: str, namespace: str) -> None:
+        pass
+
+
+class Distribution(BaseDistribution):
+    def __init__(self, dist: pkg_resources.Distribution) -> None:
+        self._dist = dist
+
+    @classmethod
+    def from_directory(cls, directory: str) -> BaseDistribution:
+        dist_dir = directory.rstrip(os.sep)
+
+        # Build a PathMetadata object, from path to metadata. :wink:
+        base_dir, dist_dir_name = os.path.split(dist_dir)
+        metadata = pkg_resources.PathMetadata(base_dir, dist_dir)
+
+        # Determine the correct Distribution object type.
+        if dist_dir.endswith(".egg-info"):
+            dist_cls = pkg_resources.Distribution
+            dist_name = os.path.splitext(dist_dir_name)[0]
+        else:
+            assert dist_dir.endswith(".dist-info")
+            dist_cls = pkg_resources.DistInfoDistribution
+            dist_name = os.path.splitext(dist_dir_name)[0].split("-")[0]
+
+        dist = dist_cls(base_dir, project_name=dist_name, metadata=metadata)
+        return cls(dist)
+
+    @classmethod
+    def from_metadata_file_contents(
+        cls,
+        metadata_contents: bytes,
+        filename: str,
+        project_name: str,
+    ) -> BaseDistribution:
+        metadata_dict = {
+            "METADATA": metadata_contents,
+        }
+        dist = pkg_resources.DistInfoDistribution(
+            location=filename,
+            metadata=InMemoryMetadata(metadata_dict, filename),
+            project_name=project_name,
+        )
+        return cls(dist)
+
+    @classmethod
+    def from_wheel(cls, wheel: Wheel, name: str) -> BaseDistribution:
+        try:
+            with wheel.as_zipfile() as zf:
+                info_dir, _ = parse_wheel(zf, name)
+                metadata_dict = {
+                    path.split("/", 1)[-1]: read_wheel_metadata_file(zf, path)
+                    for path in zf.namelist()
+                    if path.startswith(f"{info_dir}/")
+                }
+        except zipfile.BadZipFile as e:
+            raise InvalidWheel(wheel.location, name) from e
+        except UnsupportedWheel as e:
+            raise UnsupportedWheel(f"{name} has an invalid wheel, {e}")
+        dist = pkg_resources.DistInfoDistribution(
+            location=wheel.location,
+            metadata=InMemoryMetadata(metadata_dict, wheel.location),
+            project_name=name,
+        )
+        return cls(dist)
+
+    @property
+    def location(self) -> Optional[str]:
+        return self._dist.location
+
+    @property
+    def installed_location(self) -> Optional[str]:
+        egg_link = egg_link_path_from_location(self.raw_name)
+        if egg_link:
+            location = egg_link
+        elif self.location:
+            location = self.location
+        else:
+            return None
+        return normalize_path(location)
+
+    @property
+    def info_location(self) -> Optional[str]:
+        return self._dist.egg_info
+
+    @property
+    def installed_by_distutils(self) -> bool:
+        # A distutils-installed distribution is provided by FileMetadata. This
+        # provider has a "path" attribute not present anywhere else. Not the
+        # best introspection logic, but pip has been doing this for a long time.
+        try:
+            return bool(self._dist._provider.path)
+        except AttributeError:
+            return False
+
+    @property
+    def canonical_name(self) -> NormalizedName:
+        return canonicalize_name(self._dist.project_name)
+
+    @property
+    def version(self) -> DistributionVersion:
+        return parse_version(self._dist.version)
+
+    def is_file(self, path: InfoPath) -> bool:
+        return self._dist.has_metadata(str(path))
+
+    def iter_distutils_script_names(self) -> Iterator[str]:
+        yield from self._dist.metadata_listdir("scripts")
+
+    def read_text(self, path: InfoPath) -> str:
+        name = str(path)
+        if not self._dist.has_metadata(name):
+            raise FileNotFoundError(name)
+        content = self._dist.get_metadata(name)
+        if content is None:
+            raise NoneMetadataError(self, name)
+        return content
+
+    def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
+        for group, entries in self._dist.get_entry_map().items():
+            for name, entry_point in entries.items():
+                name, _, value = str(entry_point).partition("=")
+                yield EntryPoint(name=name.strip(), value=value.strip(), group=group)
+
+    def _metadata_impl(self) -> email.message.Message:
+        """
+        :raises NoneMetadataError: if the distribution reports `has_metadata()`
+            True but `get_metadata()` returns None.
+        """
+        if isinstance(self._dist, pkg_resources.DistInfoDistribution):
+            metadata_name = "METADATA"
+        else:
+            metadata_name = "PKG-INFO"
+        try:
+            metadata = self.read_text(metadata_name)
+        except FileNotFoundError:
+            if self.location:
+                displaying_path = display_path(self.location)
+            else:
+                displaying_path = repr(self.location)
+            logger.warning("No metadata found in %s", displaying_path)
+            metadata = ""
+        feed_parser = email.parser.FeedParser()
+        feed_parser.feed(metadata)
+        return feed_parser.close()
+
+    def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
+        if extras:  # pkg_resources raises on invalid extras, so we sanitize.
+            extras = frozenset(pkg_resources.safe_extra(e) for e in extras)
+            extras = extras.intersection(self._dist.extras)
+        return self._dist.requires(extras)
+
+    def iter_provided_extras(self) -> Iterable[str]:
+        return self._dist.extras
+
+    def is_extra_provided(self, extra: str) -> bool:
+        return pkg_resources.safe_extra(extra) in self._dist.extras
+
+
+class Environment(BaseEnvironment):
+    def __init__(self, ws: pkg_resources.WorkingSet) -> None:
+        self._ws = ws
+
+    @classmethod
+    def default(cls) -> BaseEnvironment:
+        return cls(pkg_resources.working_set)
+
+    @classmethod
+    def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment:
+        return cls(pkg_resources.WorkingSet(paths))
+
+    def _iter_distributions(self) -> Iterator[BaseDistribution]:
+        for dist in self._ws:
+            yield Distribution(dist)
+
+    def _search_distribution(self, name: str) -> Optional[BaseDistribution]:
+        """Find a distribution matching the ``name`` in the environment.
+
+        This searches from *all* distributions available in the environment, to
+        match the behavior of ``pkg_resources.get_distribution()``.
+        """
+        canonical_name = canonicalize_name(name)
+        for dist in self.iter_all_distributions():
+            if dist.canonical_name == canonical_name:
+                return dist
+        return None
+
+    def get_distribution(self, name: str) -> Optional[BaseDistribution]:
+        # Search the distribution by looking through the working set.
+        dist = self._search_distribution(name)
+        if dist:
+            return dist
+
+        # If distribution could not be found, call working_set.require to
+        # update the working set, and try to find the distribution again.
+        # This might happen for e.g. when you install a package twice, once
+        # using setup.py develop and again using setup.py install. Now when
+        # running pip uninstall twice, the package gets removed from the
+        # working set in the first uninstall, so we have to populate the
+        # working set again so that pip knows about it and the packages gets
+        # picked up and is successfully uninstalled the second time too.
+        try:
+            # We didn't pass in any version specifiers, so this can never
+            # raise pkg_resources.VersionConflict.
+            self._ws.require(name)
+        except pkg_resources.DistributionNotFound:
+            return None
+        return self._search_distribution(name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/__init__.py
new file mode 100644
index 00000000..7855226e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/__init__.py
@@ -0,0 +1,2 @@
+"""A package that contains models that represent entities.
+"""
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/candidate.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/candidate.py
new file mode 100644
index 00000000..9184a902
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/candidate.py
@@ -0,0 +1,30 @@
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.models.link import Link
+from pip._internal.utils.models import KeyBasedCompareMixin
+
+
+class InstallationCandidate(KeyBasedCompareMixin):
+    """Represents a potential "candidate" for installation."""
+
+    __slots__ = ["name", "version", "link"]
+
+    def __init__(self, name: str, version: str, link: Link) -> None:
+        self.name = name
+        self.version = parse_version(version)
+        self.link = link
+
+        super().__init__(
+            key=(self.name, self.version, self.link),
+            defining_class=InstallationCandidate,
+        )
+
+    def __repr__(self) -> str:
+        return "<InstallationCandidate({!r}, {!r}, {!r})>".format(
+            self.name,
+            self.version,
+            self.link,
+        )
+
+    def __str__(self) -> str:
+        return f"{self.name!r} candidate (version {self.version} at {self.link})"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/direct_url.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/direct_url.py
new file mode 100644
index 00000000..0af884bd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/direct_url.py
@@ -0,0 +1,235 @@
+""" PEP 610 """
+import json
+import re
+import urllib.parse
+from typing import Any, Dict, Iterable, Optional, Type, TypeVar, Union
+
+__all__ = [
+    "DirectUrl",
+    "DirectUrlValidationError",
+    "DirInfo",
+    "ArchiveInfo",
+    "VcsInfo",
+]
+
+T = TypeVar("T")
+
+DIRECT_URL_METADATA_NAME = "direct_url.json"
+ENV_VAR_RE = re.compile(r"^\$\{[A-Za-z0-9-_]+\}(:\$\{[A-Za-z0-9-_]+\})?$")
+
+
+class DirectUrlValidationError(Exception):
+    pass
+
+
+def _get(
+    d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None
+) -> Optional[T]:
+    """Get value from dictionary and verify expected type."""
+    if key not in d:
+        return default
+    value = d[key]
+    if not isinstance(value, expected_type):
+        raise DirectUrlValidationError(
+            f"{value!r} has unexpected type for {key} (expected {expected_type})"
+        )
+    return value
+
+
+def _get_required(
+    d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None
+) -> T:
+    value = _get(d, expected_type, key, default)
+    if value is None:
+        raise DirectUrlValidationError(f"{key} must have a value")
+    return value
+
+
+def _exactly_one_of(infos: Iterable[Optional["InfoType"]]) -> "InfoType":
+    infos = [info for info in infos if info is not None]
+    if not infos:
+        raise DirectUrlValidationError(
+            "missing one of archive_info, dir_info, vcs_info"
+        )
+    if len(infos) > 1:
+        raise DirectUrlValidationError(
+            "more than one of archive_info, dir_info, vcs_info"
+        )
+    assert infos[0] is not None
+    return infos[0]
+
+
+def _filter_none(**kwargs: Any) -> Dict[str, Any]:
+    """Make dict excluding None values."""
+    return {k: v for k, v in kwargs.items() if v is not None}
+
+
+class VcsInfo:
+    name = "vcs_info"
+
+    def __init__(
+        self,
+        vcs: str,
+        commit_id: str,
+        requested_revision: Optional[str] = None,
+    ) -> None:
+        self.vcs = vcs
+        self.requested_revision = requested_revision
+        self.commit_id = commit_id
+
+    @classmethod
+    def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["VcsInfo"]:
+        if d is None:
+            return None
+        return cls(
+            vcs=_get_required(d, str, "vcs"),
+            commit_id=_get_required(d, str, "commit_id"),
+            requested_revision=_get(d, str, "requested_revision"),
+        )
+
+    def _to_dict(self) -> Dict[str, Any]:
+        return _filter_none(
+            vcs=self.vcs,
+            requested_revision=self.requested_revision,
+            commit_id=self.commit_id,
+        )
+
+
+class ArchiveInfo:
+    name = "archive_info"
+
+    def __init__(
+        self,
+        hash: Optional[str] = None,
+        hashes: Optional[Dict[str, str]] = None,
+    ) -> None:
+        # set hashes before hash, since the hash setter will further populate hashes
+        self.hashes = hashes
+        self.hash = hash
+
+    @property
+    def hash(self) -> Optional[str]:
+        return self._hash
+
+    @hash.setter
+    def hash(self, value: Optional[str]) -> None:
+        if value is not None:
+            # Auto-populate the hashes key to upgrade to the new format automatically.
+            # We don't back-populate the legacy hash key from hashes.
+            try:
+                hash_name, hash_value = value.split("=", 1)
+            except ValueError:
+                raise DirectUrlValidationError(
+                    f"invalid archive_info.hash format: {value!r}"
+                )
+            if self.hashes is None:
+                self.hashes = {hash_name: hash_value}
+            elif hash_name not in self.hashes:
+                self.hashes = self.hashes.copy()
+                self.hashes[hash_name] = hash_value
+        self._hash = value
+
+    @classmethod
+    def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["ArchiveInfo"]:
+        if d is None:
+            return None
+        return cls(hash=_get(d, str, "hash"), hashes=_get(d, dict, "hashes"))
+
+    def _to_dict(self) -> Dict[str, Any]:
+        return _filter_none(hash=self.hash, hashes=self.hashes)
+
+
+class DirInfo:
+    name = "dir_info"
+
+    def __init__(
+        self,
+        editable: bool = False,
+    ) -> None:
+        self.editable = editable
+
+    @classmethod
+    def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["DirInfo"]:
+        if d is None:
+            return None
+        return cls(editable=_get_required(d, bool, "editable", default=False))
+
+    def _to_dict(self) -> Dict[str, Any]:
+        return _filter_none(editable=self.editable or None)
+
+
+InfoType = Union[ArchiveInfo, DirInfo, VcsInfo]
+
+
+class DirectUrl:
+    def __init__(
+        self,
+        url: str,
+        info: InfoType,
+        subdirectory: Optional[str] = None,
+    ) -> None:
+        self.url = url
+        self.info = info
+        self.subdirectory = subdirectory
+
+    def _remove_auth_from_netloc(self, netloc: str) -> str:
+        if "@" not in netloc:
+            return netloc
+        user_pass, netloc_no_user_pass = netloc.split("@", 1)
+        if (
+            isinstance(self.info, VcsInfo)
+            and self.info.vcs == "git"
+            and user_pass == "git"
+        ):
+            return netloc
+        if ENV_VAR_RE.match(user_pass):
+            return netloc
+        return netloc_no_user_pass
+
+    @property
+    def redacted_url(self) -> str:
+        """url with user:password part removed unless it is formed with
+        environment variables as specified in PEP 610, or it is ``git``
+        in the case of a git URL.
+        """
+        purl = urllib.parse.urlsplit(self.url)
+        netloc = self._remove_auth_from_netloc(purl.netloc)
+        surl = urllib.parse.urlunsplit(
+            (purl.scheme, netloc, purl.path, purl.query, purl.fragment)
+        )
+        return surl
+
+    def validate(self) -> None:
+        self.from_dict(self.to_dict())
+
+    @classmethod
+    def from_dict(cls, d: Dict[str, Any]) -> "DirectUrl":
+        return DirectUrl(
+            url=_get_required(d, str, "url"),
+            subdirectory=_get(d, str, "subdirectory"),
+            info=_exactly_one_of(
+                [
+                    ArchiveInfo._from_dict(_get(d, dict, "archive_info")),
+                    DirInfo._from_dict(_get(d, dict, "dir_info")),
+                    VcsInfo._from_dict(_get(d, dict, "vcs_info")),
+                ]
+            ),
+        )
+
+    def to_dict(self) -> Dict[str, Any]:
+        res = _filter_none(
+            url=self.redacted_url,
+            subdirectory=self.subdirectory,
+        )
+        res[self.info.name] = self.info._to_dict()
+        return res
+
+    @classmethod
+    def from_json(cls, s: str) -> "DirectUrl":
+        return cls.from_dict(json.loads(s))
+
+    def to_json(self) -> str:
+        return json.dumps(self.to_dict(), sort_keys=True)
+
+    def is_local_editable(self) -> bool:
+        return isinstance(self.info, DirInfo) and self.info.editable
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/format_control.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/format_control.py
new file mode 100644
index 00000000..ccd11272
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/format_control.py
@@ -0,0 +1,78 @@
+from typing import FrozenSet, Optional, Set
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.exceptions import CommandError
+
+
+class FormatControl:
+    """Helper for managing formats from which a package can be installed."""
+
+    __slots__ = ["no_binary", "only_binary"]
+
+    def __init__(
+        self,
+        no_binary: Optional[Set[str]] = None,
+        only_binary: Optional[Set[str]] = None,
+    ) -> None:
+        if no_binary is None:
+            no_binary = set()
+        if only_binary is None:
+            only_binary = set()
+
+        self.no_binary = no_binary
+        self.only_binary = only_binary
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+
+        if self.__slots__ != other.__slots__:
+            return False
+
+        return all(getattr(self, k) == getattr(other, k) for k in self.__slots__)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self.no_binary}, {self.only_binary})"
+
+    @staticmethod
+    def handle_mutual_excludes(value: str, target: Set[str], other: Set[str]) -> None:
+        if value.startswith("-"):
+            raise CommandError(
+                "--no-binary / --only-binary option requires 1 argument."
+            )
+        new = value.split(",")
+        while ":all:" in new:
+            other.clear()
+            target.clear()
+            target.add(":all:")
+            del new[: new.index(":all:") + 1]
+            # Without a none, we want to discard everything as :all: covers it
+            if ":none:" not in new:
+                return
+        for name in new:
+            if name == ":none:":
+                target.clear()
+                continue
+            name = canonicalize_name(name)
+            other.discard(name)
+            target.add(name)
+
+    def get_allowed_formats(self, canonical_name: str) -> FrozenSet[str]:
+        result = {"binary", "source"}
+        if canonical_name in self.only_binary:
+            result.discard("source")
+        elif canonical_name in self.no_binary:
+            result.discard("binary")
+        elif ":all:" in self.only_binary:
+            result.discard("source")
+        elif ":all:" in self.no_binary:
+            result.discard("binary")
+        return frozenset(result)
+
+    def disallow_binaries(self) -> None:
+        self.handle_mutual_excludes(
+            ":all:",
+            self.no_binary,
+            self.only_binary,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/index.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/index.py
new file mode 100644
index 00000000..b94c3251
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/index.py
@@ -0,0 +1,28 @@
+import urllib.parse
+
+
+class PackageIndex:
+    """Represents a Package Index and provides easier access to endpoints"""
+
+    __slots__ = ["url", "netloc", "simple_url", "pypi_url", "file_storage_domain"]
+
+    def __init__(self, url: str, file_storage_domain: str) -> None:
+        super().__init__()
+        self.url = url
+        self.netloc = urllib.parse.urlsplit(url).netloc
+        self.simple_url = self._url_for_path("simple")
+        self.pypi_url = self._url_for_path("pypi")
+
+        # This is part of a temporary hack used to block installs of PyPI
+        # packages which depend on external urls only necessary until PyPI can
+        # block such packages themselves
+        self.file_storage_domain = file_storage_domain
+
+    def _url_for_path(self, path: str) -> str:
+        return urllib.parse.urljoin(self.url, path)
+
+
+PyPI = PackageIndex("https://pypi.org/", file_storage_domain="files.pythonhosted.org")
+TestPyPI = PackageIndex(
+    "https://test.pypi.org/", file_storage_domain="test-files.pythonhosted.org"
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/installation_report.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/installation_report.py
new file mode 100644
index 00000000..b9c6330d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/installation_report.py
@@ -0,0 +1,56 @@
+from typing import Any, Dict, Sequence
+
+from pip._vendor.packaging.markers import default_environment
+
+from pip import __version__
+from pip._internal.req.req_install import InstallRequirement
+
+
+class InstallationReport:
+    def __init__(self, install_requirements: Sequence[InstallRequirement]):
+        self._install_requirements = install_requirements
+
+    @classmethod
+    def _install_req_to_dict(cls, ireq: InstallRequirement) -> Dict[str, Any]:
+        assert ireq.download_info, f"No download_info for {ireq}"
+        res = {
+            # PEP 610 json for the download URL. download_info.archive_info.hashes may
+            # be absent when the requirement was installed from the wheel cache
+            # and the cache entry was populated by an older pip version that did not
+            # record origin.json.
+            "download_info": ireq.download_info.to_dict(),
+            # is_direct is true if the requirement was a direct URL reference (which
+            # includes editable requirements), and false if the requirement was
+            # downloaded from a PEP 503 index or --find-links.
+            "is_direct": ireq.is_direct,
+            # is_yanked is true if the requirement was yanked from the index, but
+            # was still selected by pip to conform to PEP 592.
+            "is_yanked": ireq.link.is_yanked if ireq.link else False,
+            # requested is true if the requirement was specified by the user (aka
+            # top level requirement), and false if it was installed as a dependency of a
+            # requirement. https://peps.python.org/pep-0376/#requested
+            "requested": ireq.user_supplied,
+            # PEP 566 json encoding for metadata
+            # https://www.python.org/dev/peps/pep-0566/#json-compatible-metadata
+            "metadata": ireq.get_dist().metadata_dict,
+        }
+        if ireq.user_supplied and ireq.extras:
+            # For top level requirements, the list of requested extras, if any.
+            res["requested_extras"] = sorted(ireq.extras)
+        return res
+
+    def to_dict(self) -> Dict[str, Any]:
+        return {
+            "version": "1",
+            "pip_version": __version__,
+            "install": [
+                self._install_req_to_dict(ireq) for ireq in self._install_requirements
+            ],
+            # https://peps.python.org/pep-0508/#environment-markers
+            # TODO: currently, the resolver uses the default environment to evaluate
+            # environment markers, so that is what we report here. In the future, it
+            # should also take into account options such as --python-version or
+            # --platform, perhaps under the form of an environment_override field?
+            # https://github.com/pypa/pip/issues/11198
+            "environment": default_environment(),
+        }
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/link.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/link.py
new file mode 100644
index 00000000..73041b86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/link.py
@@ -0,0 +1,579 @@
+import functools
+import itertools
+import logging
+import os
+import posixpath
+import re
+import urllib.parse
+from dataclasses import dataclass
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Dict,
+    List,
+    Mapping,
+    NamedTuple,
+    Optional,
+    Tuple,
+    Union,
+)
+
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.filetypes import WHEEL_EXTENSION
+from pip._internal.utils.hashes import Hashes
+from pip._internal.utils.misc import (
+    pairwise,
+    redact_auth_from_url,
+    split_auth_from_netloc,
+    splitext,
+)
+from pip._internal.utils.models import KeyBasedCompareMixin
+from pip._internal.utils.urls import path_to_url, url_to_path
+
+if TYPE_CHECKING:
+    from pip._internal.index.collector import IndexContent
+
+logger = logging.getLogger(__name__)
+
+
+# Order matters, earlier hashes have a precedence over later hashes for what
+# we will pick to use.
+_SUPPORTED_HASHES = ("sha512", "sha384", "sha256", "sha224", "sha1", "md5")
+
+
+@dataclass(frozen=True)
+class LinkHash:
+    """Links to content may have embedded hash values. This class parses those.
+
+    `name` must be any member of `_SUPPORTED_HASHES`.
+
+    This class can be converted to and from `ArchiveInfo`. While ArchiveInfo intends to
+    be JSON-serializable to conform to PEP 610, this class contains the logic for
+    parsing a hash name and value for correctness, and then checking whether that hash
+    conforms to a schema with `.is_hash_allowed()`."""
+
+    name: str
+    value: str
+
+    _hash_url_fragment_re = re.compile(
+        # NB: we do not validate that the second group (.*) is a valid hex
+        # digest. Instead, we simply keep that string in this class, and then check it
+        # against Hashes when hash-checking is needed. This is easier to debug than
+        # proactively discarding an invalid hex digest, as we handle incorrect hashes
+        # and malformed hashes in the same place.
+        r"[#&]({choices})=([^&]*)".format(
+            choices="|".join(re.escape(hash_name) for hash_name in _SUPPORTED_HASHES)
+        ),
+    )
+
+    def __post_init__(self) -> None:
+        assert self.name in _SUPPORTED_HASHES
+
+    @classmethod
+    @functools.lru_cache(maxsize=None)
+    def find_hash_url_fragment(cls, url: str) -> Optional["LinkHash"]:
+        """Search a string for a checksum algorithm name and encoded output value."""
+        match = cls._hash_url_fragment_re.search(url)
+        if match is None:
+            return None
+        name, value = match.groups()
+        return cls(name=name, value=value)
+
+    def as_dict(self) -> Dict[str, str]:
+        return {self.name: self.value}
+
+    def as_hashes(self) -> Hashes:
+        """Return a Hashes instance which checks only for the current hash."""
+        return Hashes({self.name: [self.value]})
+
+    def is_hash_allowed(self, hashes: Optional[Hashes]) -> bool:
+        """
+        Return True if the current hash is allowed by `hashes`.
+        """
+        if hashes is None:
+            return False
+        return hashes.is_hash_allowed(self.name, hex_digest=self.value)
+
+
+@dataclass(frozen=True)
+class MetadataFile:
+    """Information about a core metadata file associated with a distribution."""
+
+    hashes: Optional[Dict[str, str]]
+
+    def __post_init__(self) -> None:
+        if self.hashes is not None:
+            assert all(name in _SUPPORTED_HASHES for name in self.hashes)
+
+
+def supported_hashes(hashes: Optional[Dict[str, str]]) -> Optional[Dict[str, str]]:
+    # Remove any unsupported hash types from the mapping. If this leaves no
+    # supported hashes, return None
+    if hashes is None:
+        return None
+    hashes = {n: v for n, v in hashes.items() if n in _SUPPORTED_HASHES}
+    if not hashes:
+        return None
+    return hashes
+
+
+def _clean_url_path_part(part: str) -> str:
+    """
+    Clean a "part" of a URL path (i.e. after splitting on "@" characters).
+    """
+    # We unquote prior to quoting to make sure nothing is double quoted.
+    return urllib.parse.quote(urllib.parse.unquote(part))
+
+
+def _clean_file_url_path(part: str) -> str:
+    """
+    Clean the first part of a URL path that corresponds to a local
+    filesystem path (i.e. the first part after splitting on "@" characters).
+    """
+    # We unquote prior to quoting to make sure nothing is double quoted.
+    # Also, on Windows the path part might contain a drive letter which
+    # should not be quoted. On Linux where drive letters do not
+    # exist, the colon should be quoted. We rely on urllib.request
+    # to do the right thing here.
+    return urllib.request.pathname2url(urllib.request.url2pathname(part))
+
+
+# percent-encoded:                   /
+_reserved_chars_re = re.compile("(@|%2F)", re.IGNORECASE)
+
+
+def _clean_url_path(path: str, is_local_path: bool) -> str:
+    """
+    Clean the path portion of a URL.
+    """
+    if is_local_path:
+        clean_func = _clean_file_url_path
+    else:
+        clean_func = _clean_url_path_part
+
+    # Split on the reserved characters prior to cleaning so that
+    # revision strings in VCS URLs are properly preserved.
+    parts = _reserved_chars_re.split(path)
+
+    cleaned_parts = []
+    for to_clean, reserved in pairwise(itertools.chain(parts, [""])):
+        cleaned_parts.append(clean_func(to_clean))
+        # Normalize %xx escapes (e.g. %2f -> %2F)
+        cleaned_parts.append(reserved.upper())
+
+    return "".join(cleaned_parts)
+
+
+def _ensure_quoted_url(url: str) -> str:
+    """
+    Make sure a link is fully quoted.
+    For example, if ' ' occurs in the URL, it will be replaced with "%20",
+    and without double-quoting other characters.
+    """
+    # Split the URL into parts according to the general structure
+    # `scheme://netloc/path;parameters?query#fragment`.
+    result = urllib.parse.urlparse(url)
+    # If the netloc is empty, then the URL refers to a local filesystem path.
+    is_local_path = not result.netloc
+    path = _clean_url_path(result.path, is_local_path=is_local_path)
+    return urllib.parse.urlunparse(result._replace(path=path))
+
+
+class Link(KeyBasedCompareMixin):
+    """Represents a parsed link from a Package Index's simple URL"""
+
+    __slots__ = [
+        "_parsed_url",
+        "_url",
+        "_hashes",
+        "comes_from",
+        "requires_python",
+        "yanked_reason",
+        "metadata_file_data",
+        "cache_link_parsing",
+        "egg_fragment",
+    ]
+
+    def __init__(
+        self,
+        url: str,
+        comes_from: Optional[Union[str, "IndexContent"]] = None,
+        requires_python: Optional[str] = None,
+        yanked_reason: Optional[str] = None,
+        metadata_file_data: Optional[MetadataFile] = None,
+        cache_link_parsing: bool = True,
+        hashes: Optional[Mapping[str, str]] = None,
+    ) -> None:
+        """
+        :param url: url of the resource pointed to (href of the link)
+        :param comes_from: instance of IndexContent where the link was found,
+            or string.
+        :param requires_python: String containing the `Requires-Python`
+            metadata field, specified in PEP 345. This may be specified by
+            a data-requires-python attribute in the HTML link tag, as
+            described in PEP 503.
+        :param yanked_reason: the reason the file has been yanked, if the
+            file has been yanked, or None if the file hasn't been yanked.
+            This is the value of the "data-yanked" attribute, if present, in
+            a simple repository HTML link. If the file has been yanked but
+            no reason was provided, this should be the empty string. See
+            PEP 592 for more information and the specification.
+        :param metadata_file_data: the metadata attached to the file, or None if
+            no such metadata is provided. This argument, if not None, indicates
+            that a separate metadata file exists, and also optionally supplies
+            hashes for that file.
+        :param cache_link_parsing: A flag that is used elsewhere to determine
+            whether resources retrieved from this link should be cached. PyPI
+            URLs should generally have this set to False, for example.
+        :param hashes: A mapping of hash names to digests to allow us to
+            determine the validity of a download.
+        """
+
+        # The comes_from, requires_python, and metadata_file_data arguments are
+        # only used by classmethods of this class, and are not used in client
+        # code directly.
+
+        # url can be a UNC windows share
+        if url.startswith("\\\\"):
+            url = path_to_url(url)
+
+        self._parsed_url = urllib.parse.urlsplit(url)
+        # Store the url as a private attribute to prevent accidentally
+        # trying to set a new value.
+        self._url = url
+
+        link_hash = LinkHash.find_hash_url_fragment(url)
+        hashes_from_link = {} if link_hash is None else link_hash.as_dict()
+        if hashes is None:
+            self._hashes = hashes_from_link
+        else:
+            self._hashes = {**hashes, **hashes_from_link}
+
+        self.comes_from = comes_from
+        self.requires_python = requires_python if requires_python else None
+        self.yanked_reason = yanked_reason
+        self.metadata_file_data = metadata_file_data
+
+        super().__init__(key=url, defining_class=Link)
+
+        self.cache_link_parsing = cache_link_parsing
+        self.egg_fragment = self._egg_fragment()
+
+    @classmethod
+    def from_json(
+        cls,
+        file_data: Dict[str, Any],
+        page_url: str,
+    ) -> Optional["Link"]:
+        """
+        Convert an pypi json document from a simple repository page into a Link.
+        """
+        file_url = file_data.get("url")
+        if file_url is None:
+            return None
+
+        url = _ensure_quoted_url(urllib.parse.urljoin(page_url, file_url))
+        pyrequire = file_data.get("requires-python")
+        yanked_reason = file_data.get("yanked")
+        hashes = file_data.get("hashes", {})
+
+        # PEP 714: Indexes must use the name core-metadata, but
+        # clients should support the old name as a fallback for compatibility.
+        metadata_info = file_data.get("core-metadata")
+        if metadata_info is None:
+            metadata_info = file_data.get("dist-info-metadata")
+
+        # The metadata info value may be a boolean, or a dict of hashes.
+        if isinstance(metadata_info, dict):
+            # The file exists, and hashes have been supplied
+            metadata_file_data = MetadataFile(supported_hashes(metadata_info))
+        elif metadata_info:
+            # The file exists, but there are no hashes
+            metadata_file_data = MetadataFile(None)
+        else:
+            # False or not present: the file does not exist
+            metadata_file_data = None
+
+        # The Link.yanked_reason expects an empty string instead of a boolean.
+        if yanked_reason and not isinstance(yanked_reason, str):
+            yanked_reason = ""
+        # The Link.yanked_reason expects None instead of False.
+        elif not yanked_reason:
+            yanked_reason = None
+
+        return cls(
+            url,
+            comes_from=page_url,
+            requires_python=pyrequire,
+            yanked_reason=yanked_reason,
+            hashes=hashes,
+            metadata_file_data=metadata_file_data,
+        )
+
+    @classmethod
+    def from_element(
+        cls,
+        anchor_attribs: Dict[str, Optional[str]],
+        page_url: str,
+        base_url: str,
+    ) -> Optional["Link"]:
+        """
+        Convert an anchor element's attributes in a simple repository page to a Link.
+        """
+        href = anchor_attribs.get("href")
+        if not href:
+            return None
+
+        url = _ensure_quoted_url(urllib.parse.urljoin(base_url, href))
+        pyrequire = anchor_attribs.get("data-requires-python")
+        yanked_reason = anchor_attribs.get("data-yanked")
+
+        # PEP 714: Indexes must use the name data-core-metadata, but
+        # clients should support the old name as a fallback for compatibility.
+        metadata_info = anchor_attribs.get("data-core-metadata")
+        if metadata_info is None:
+            metadata_info = anchor_attribs.get("data-dist-info-metadata")
+        # The metadata info value may be the string "true", or a string of
+        # the form "hashname=hashval"
+        if metadata_info == "true":
+            # The file exists, but there are no hashes
+            metadata_file_data = MetadataFile(None)
+        elif metadata_info is None:
+            # The file does not exist
+            metadata_file_data = None
+        else:
+            # The file exists, and hashes have been supplied
+            hashname, sep, hashval = metadata_info.partition("=")
+            if sep == "=":
+                metadata_file_data = MetadataFile(supported_hashes({hashname: hashval}))
+            else:
+                # Error - data is wrong. Treat as no hashes supplied.
+                logger.debug(
+                    "Index returned invalid data-dist-info-metadata value: %s",
+                    metadata_info,
+                )
+                metadata_file_data = MetadataFile(None)
+
+        return cls(
+            url,
+            comes_from=page_url,
+            requires_python=pyrequire,
+            yanked_reason=yanked_reason,
+            metadata_file_data=metadata_file_data,
+        )
+
+    def __str__(self) -> str:
+        if self.requires_python:
+            rp = f" (requires-python:{self.requires_python})"
+        else:
+            rp = ""
+        if self.comes_from:
+            return f"{redact_auth_from_url(self._url)} (from {self.comes_from}){rp}"
+        else:
+            return redact_auth_from_url(str(self._url))
+
+    def __repr__(self) -> str:
+        return f"<Link {self}>"
+
+    @property
+    def url(self) -> str:
+        return self._url
+
+    @property
+    def filename(self) -> str:
+        path = self.path.rstrip("/")
+        name = posixpath.basename(path)
+        if not name:
+            # Make sure we don't leak auth information if the netloc
+            # includes a username and password.
+            netloc, user_pass = split_auth_from_netloc(self.netloc)
+            return netloc
+
+        name = urllib.parse.unquote(name)
+        assert name, f"URL {self._url!r} produced no filename"
+        return name
+
+    @property
+    def file_path(self) -> str:
+        return url_to_path(self.url)
+
+    @property
+    def scheme(self) -> str:
+        return self._parsed_url.scheme
+
+    @property
+    def netloc(self) -> str:
+        """
+        This can contain auth information.
+        """
+        return self._parsed_url.netloc
+
+    @property
+    def path(self) -> str:
+        return urllib.parse.unquote(self._parsed_url.path)
+
+    def splitext(self) -> Tuple[str, str]:
+        return splitext(posixpath.basename(self.path.rstrip("/")))
+
+    @property
+    def ext(self) -> str:
+        return self.splitext()[1]
+
+    @property
+    def url_without_fragment(self) -> str:
+        scheme, netloc, path, query, fragment = self._parsed_url
+        return urllib.parse.urlunsplit((scheme, netloc, path, query, ""))
+
+    _egg_fragment_re = re.compile(r"[#&]egg=([^&]*)")
+
+    # Per PEP 508.
+    _project_name_re = re.compile(
+        r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$", re.IGNORECASE
+    )
+
+    def _egg_fragment(self) -> Optional[str]:
+        match = self._egg_fragment_re.search(self._url)
+        if not match:
+            return None
+
+        # An egg fragment looks like a PEP 508 project name, along with
+        # an optional extras specifier. Anything else is invalid.
+        project_name = match.group(1)
+        if not self._project_name_re.match(project_name):
+            deprecated(
+                reason=f"{self} contains an egg fragment with a non-PEP 508 name",
+                replacement="to use the req @ url syntax, and remove the egg fragment",
+                gone_in="25.0",
+                issue=11617,
+            )
+
+        return project_name
+
+    _subdirectory_fragment_re = re.compile(r"[#&]subdirectory=([^&]*)")
+
+    @property
+    def subdirectory_fragment(self) -> Optional[str]:
+        match = self._subdirectory_fragment_re.search(self._url)
+        if not match:
+            return None
+        return match.group(1)
+
+    def metadata_link(self) -> Optional["Link"]:
+        """Return a link to the associated core metadata file (if any)."""
+        if self.metadata_file_data is None:
+            return None
+        metadata_url = f"{self.url_without_fragment}.metadata"
+        if self.metadata_file_data.hashes is None:
+            return Link(metadata_url)
+        return Link(metadata_url, hashes=self.metadata_file_data.hashes)
+
+    def as_hashes(self) -> Hashes:
+        return Hashes({k: [v] for k, v in self._hashes.items()})
+
+    @property
+    def hash(self) -> Optional[str]:
+        return next(iter(self._hashes.values()), None)
+
+    @property
+    def hash_name(self) -> Optional[str]:
+        return next(iter(self._hashes), None)
+
+    @property
+    def show_url(self) -> str:
+        return posixpath.basename(self._url.split("#", 1)[0].split("?", 1)[0])
+
+    @property
+    def is_file(self) -> bool:
+        return self.scheme == "file"
+
+    def is_existing_dir(self) -> bool:
+        return self.is_file and os.path.isdir(self.file_path)
+
+    @property
+    def is_wheel(self) -> bool:
+        return self.ext == WHEEL_EXTENSION
+
+    @property
+    def is_vcs(self) -> bool:
+        from pip._internal.vcs import vcs
+
+        return self.scheme in vcs.all_schemes
+
+    @property
+    def is_yanked(self) -> bool:
+        return self.yanked_reason is not None
+
+    @property
+    def has_hash(self) -> bool:
+        return bool(self._hashes)
+
+    def is_hash_allowed(self, hashes: Optional[Hashes]) -> bool:
+        """
+        Return True if the link has a hash and it is allowed by `hashes`.
+        """
+        if hashes is None:
+            return False
+        return any(hashes.is_hash_allowed(k, v) for k, v in self._hashes.items())
+
+
+class _CleanResult(NamedTuple):
+    """Convert link for equivalency check.
+
+    This is used in the resolver to check whether two URL-specified requirements
+    likely point to the same distribution and can be considered equivalent. This
+    equivalency logic avoids comparing URLs literally, which can be too strict
+    (e.g. "a=1&b=2" vs "b=2&a=1") and produce conflicts unexpecting to users.
+
+    Currently this does three things:
+
+    1. Drop the basic auth part. This is technically wrong since a server can
+       serve different content based on auth, but if it does that, it is even
+       impossible to guarantee two URLs without auth are equivalent, since
+       the user can input different auth information when prompted. So the
+       practical solution is to assume the auth doesn't affect the response.
+    2. Parse the query to avoid the ordering issue. Note that ordering under the
+       same key in the query are NOT cleaned; i.e. "a=1&a=2" and "a=2&a=1" are
+       still considered different.
+    3. Explicitly drop most of the fragment part, except ``subdirectory=`` and
+       hash values, since it should have no impact the downloaded content. Note
+       that this drops the "egg=" part historically used to denote the requested
+       project (and extras), which is wrong in the strictest sense, but too many
+       people are supplying it inconsistently to cause superfluous resolution
+       conflicts, so we choose to also ignore them.
+    """
+
+    parsed: urllib.parse.SplitResult
+    query: Dict[str, List[str]]
+    subdirectory: str
+    hashes: Dict[str, str]
+
+
+def _clean_link(link: Link) -> _CleanResult:
+    parsed = link._parsed_url
+    netloc = parsed.netloc.rsplit("@", 1)[-1]
+    # According to RFC 8089, an empty host in file: means localhost.
+    if parsed.scheme == "file" and not netloc:
+        netloc = "localhost"
+    fragment = urllib.parse.parse_qs(parsed.fragment)
+    if "egg" in fragment:
+        logger.debug("Ignoring egg= fragment in %s", link)
+    try:
+        # If there are multiple subdirectory values, use the first one.
+        # This matches the behavior of Link.subdirectory_fragment.
+        subdirectory = fragment["subdirectory"][0]
+    except (IndexError, KeyError):
+        subdirectory = ""
+    # If there are multiple hash values under the same algorithm, use the
+    # first one. This matches the behavior of Link.hash_value.
+    hashes = {k: fragment[k][0] for k in _SUPPORTED_HASHES if k in fragment}
+    return _CleanResult(
+        parsed=parsed._replace(netloc=netloc, query="", fragment=""),
+        query=urllib.parse.parse_qs(parsed.query),
+        subdirectory=subdirectory,
+        hashes=hashes,
+    )
+
+
+@functools.lru_cache(maxsize=None)
+def links_equivalent(link1: Link, link2: Link) -> bool:
+    return _clean_link(link1) == _clean_link(link2)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/scheme.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/scheme.py
new file mode 100644
index 00000000..f51190ac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/scheme.py
@@ -0,0 +1,31 @@
+"""
+For types associated with installation schemes.
+
+For a general overview of available schemes and their context, see
+https://docs.python.org/3/install/index.html#alternate-installation.
+"""
+
+
+SCHEME_KEYS = ["platlib", "purelib", "headers", "scripts", "data"]
+
+
+class Scheme:
+    """A Scheme holds paths which are used as the base directories for
+    artifacts associated with a Python package.
+    """
+
+    __slots__ = SCHEME_KEYS
+
+    def __init__(
+        self,
+        platlib: str,
+        purelib: str,
+        headers: str,
+        scripts: str,
+        data: str,
+    ) -> None:
+        self.platlib = platlib
+        self.purelib = purelib
+        self.headers = headers
+        self.scripts = scripts
+        self.data = data
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/search_scope.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/search_scope.py
new file mode 100644
index 00000000..fe61e811
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/search_scope.py
@@ -0,0 +1,132 @@
+import itertools
+import logging
+import os
+import posixpath
+import urllib.parse
+from typing import List
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.models.index import PyPI
+from pip._internal.utils.compat import has_tls
+from pip._internal.utils.misc import normalize_path, redact_auth_from_url
+
+logger = logging.getLogger(__name__)
+
+
+class SearchScope:
+
+    """
+    Encapsulates the locations that pip is configured to search.
+    """
+
+    __slots__ = ["find_links", "index_urls", "no_index"]
+
+    @classmethod
+    def create(
+        cls,
+        find_links: List[str],
+        index_urls: List[str],
+        no_index: bool,
+    ) -> "SearchScope":
+        """
+        Create a SearchScope object after normalizing the `find_links`.
+        """
+        # Build find_links. If an argument starts with ~, it may be
+        # a local file relative to a home directory. So try normalizing
+        # it and if it exists, use the normalized version.
+        # This is deliberately conservative - it might be fine just to
+        # blindly normalize anything starting with a ~...
+        built_find_links: List[str] = []
+        for link in find_links:
+            if link.startswith("~"):
+                new_link = normalize_path(link)
+                if os.path.exists(new_link):
+                    link = new_link
+            built_find_links.append(link)
+
+        # If we don't have TLS enabled, then WARN if anyplace we're looking
+        # relies on TLS.
+        if not has_tls():
+            for link in itertools.chain(index_urls, built_find_links):
+                parsed = urllib.parse.urlparse(link)
+                if parsed.scheme == "https":
+                    logger.warning(
+                        "pip is configured with locations that require "
+                        "TLS/SSL, however the ssl module in Python is not "
+                        "available."
+                    )
+                    break
+
+        return cls(
+            find_links=built_find_links,
+            index_urls=index_urls,
+            no_index=no_index,
+        )
+
+    def __init__(
+        self,
+        find_links: List[str],
+        index_urls: List[str],
+        no_index: bool,
+    ) -> None:
+        self.find_links = find_links
+        self.index_urls = index_urls
+        self.no_index = no_index
+
+    def get_formatted_locations(self) -> str:
+        lines = []
+        redacted_index_urls = []
+        if self.index_urls and self.index_urls != [PyPI.simple_url]:
+            for url in self.index_urls:
+                redacted_index_url = redact_auth_from_url(url)
+
+                # Parse the URL
+                purl = urllib.parse.urlsplit(redacted_index_url)
+
+                # URL is generally invalid if scheme and netloc is missing
+                # there are issues with Python and URL parsing, so this test
+                # is a bit crude. See bpo-20271, bpo-23505. Python doesn't
+                # always parse invalid URLs correctly - it should raise
+                # exceptions for malformed URLs
+                if not purl.scheme and not purl.netloc:
+                    logger.warning(
+                        'The index url "%s" seems invalid, please provide a scheme.',
+                        redacted_index_url,
+                    )
+
+                redacted_index_urls.append(redacted_index_url)
+
+            lines.append(
+                "Looking in indexes: {}".format(", ".join(redacted_index_urls))
+            )
+
+        if self.find_links:
+            lines.append(
+                "Looking in links: {}".format(
+                    ", ".join(redact_auth_from_url(url) for url in self.find_links)
+                )
+            )
+        return "\n".join(lines)
+
+    def get_index_urls_locations(self, project_name: str) -> List[str]:
+        """Returns the locations found via self.index_urls
+
+        Checks the url_name on the main (first in the list) index and
+        use this url_name to produce all locations
+        """
+
+        def mkurl_pypi_url(url: str) -> str:
+            loc = posixpath.join(
+                url, urllib.parse.quote(canonicalize_name(project_name))
+            )
+            # For maximum compatibility with easy_install, ensure the path
+            # ends in a trailing slash.  Although this isn't in the spec
+            # (and PyPI can handle it without the slash) some other index
+            # implementations might break if they relied on easy_install's
+            # behavior.
+            if not loc.endswith("/"):
+                loc = loc + "/"
+            return loc
+
+        return [mkurl_pypi_url(url) for url in self.index_urls]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/selection_prefs.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/selection_prefs.py
new file mode 100644
index 00000000..977bc4ca
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/selection_prefs.py
@@ -0,0 +1,51 @@
+from typing import Optional
+
+from pip._internal.models.format_control import FormatControl
+
+
+class SelectionPreferences:
+    """
+    Encapsulates the candidate selection preferences for downloading
+    and installing files.
+    """
+
+    __slots__ = [
+        "allow_yanked",
+        "allow_all_prereleases",
+        "format_control",
+        "prefer_binary",
+        "ignore_requires_python",
+    ]
+
+    # Don't include an allow_yanked default value to make sure each call
+    # site considers whether yanked releases are allowed. This also causes
+    # that decision to be made explicit in the calling code, which helps
+    # people when reading the code.
+    def __init__(
+        self,
+        allow_yanked: bool,
+        allow_all_prereleases: bool = False,
+        format_control: Optional[FormatControl] = None,
+        prefer_binary: bool = False,
+        ignore_requires_python: Optional[bool] = None,
+    ) -> None:
+        """Create a SelectionPreferences object.
+
+        :param allow_yanked: Whether files marked as yanked (in the sense
+            of PEP 592) are permitted to be candidates for install.
+        :param format_control: A FormatControl object or None. Used to control
+            the selection of source packages / binary packages when consulting
+            the index and links.
+        :param prefer_binary: Whether to prefer an old, but valid, binary
+            dist over a new source dist.
+        :param ignore_requires_python: Whether to ignore incompatible
+            "Requires-Python" values in links. Defaults to False.
+        """
+        if ignore_requires_python is None:
+            ignore_requires_python = False
+
+        self.allow_yanked = allow_yanked
+        self.allow_all_prereleases = allow_all_prereleases
+        self.format_control = format_control
+        self.prefer_binary = prefer_binary
+        self.ignore_requires_python = ignore_requires_python
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/target_python.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/target_python.py
new file mode 100644
index 00000000..67ea5da7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/target_python.py
@@ -0,0 +1,122 @@
+import sys
+from typing import List, Optional, Set, Tuple
+
+from pip._vendor.packaging.tags import Tag
+
+from pip._internal.utils.compatibility_tags import get_supported, version_info_to_nodot
+from pip._internal.utils.misc import normalize_version_info
+
+
+class TargetPython:
+
+    """
+    Encapsulates the properties of a Python interpreter one is targeting
+    for a package install, download, etc.
+    """
+
+    __slots__ = [
+        "_given_py_version_info",
+        "abis",
+        "implementation",
+        "platforms",
+        "py_version",
+        "py_version_info",
+        "_valid_tags",
+        "_valid_tags_set",
+    ]
+
+    def __init__(
+        self,
+        platforms: Optional[List[str]] = None,
+        py_version_info: Optional[Tuple[int, ...]] = None,
+        abis: Optional[List[str]] = None,
+        implementation: Optional[str] = None,
+    ) -> None:
+        """
+        :param platforms: A list of strings or None. If None, searches for
+            packages that are supported by the current system. Otherwise, will
+            find packages that can be built on the platforms passed in. These
+            packages will only be downloaded for distribution: they will
+            not be built locally.
+        :param py_version_info: An optional tuple of ints representing the
+            Python version information to use (e.g. `sys.version_info[:3]`).
+            This can have length 1, 2, or 3 when provided.
+        :param abis: A list of strings or None. This is passed to
+            compatibility_tags.py's get_supported() function as is.
+        :param implementation: A string or None. This is passed to
+            compatibility_tags.py's get_supported() function as is.
+        """
+        # Store the given py_version_info for when we call get_supported().
+        self._given_py_version_info = py_version_info
+
+        if py_version_info is None:
+            py_version_info = sys.version_info[:3]
+        else:
+            py_version_info = normalize_version_info(py_version_info)
+
+        py_version = ".".join(map(str, py_version_info[:2]))
+
+        self.abis = abis
+        self.implementation = implementation
+        self.platforms = platforms
+        self.py_version = py_version
+        self.py_version_info = py_version_info
+
+        # This is used to cache the return value of get_(un)sorted_tags.
+        self._valid_tags: Optional[List[Tag]] = None
+        self._valid_tags_set: Optional[Set[Tag]] = None
+
+    def format_given(self) -> str:
+        """
+        Format the given, non-None attributes for display.
+        """
+        display_version = None
+        if self._given_py_version_info is not None:
+            display_version = ".".join(
+                str(part) for part in self._given_py_version_info
+            )
+
+        key_values = [
+            ("platforms", self.platforms),
+            ("version_info", display_version),
+            ("abis", self.abis),
+            ("implementation", self.implementation),
+        ]
+        return " ".join(
+            f"{key}={value!r}" for key, value in key_values if value is not None
+        )
+
+    def get_sorted_tags(self) -> List[Tag]:
+        """
+        Return the supported PEP 425 tags to check wheel candidates against.
+
+        The tags are returned in order of preference (most preferred first).
+        """
+        if self._valid_tags is None:
+            # Pass versions=None if no py_version_info was given since
+            # versions=None uses special default logic.
+            py_version_info = self._given_py_version_info
+            if py_version_info is None:
+                version = None
+            else:
+                version = version_info_to_nodot(py_version_info)
+
+            tags = get_supported(
+                version=version,
+                platforms=self.platforms,
+                abis=self.abis,
+                impl=self.implementation,
+            )
+            self._valid_tags = tags
+
+        return self._valid_tags
+
+    def get_unsorted_tags(self) -> Set[Tag]:
+        """Exactly the same as get_sorted_tags, but returns a set.
+
+        This is important for performance.
+        """
+        if self._valid_tags_set is None:
+            self._valid_tags_set = set(self.get_sorted_tags())
+
+        return self._valid_tags_set
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/wheel.py
new file mode 100644
index 00000000..a5dc12bd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/models/wheel.py
@@ -0,0 +1,92 @@
+"""Represents a wheel file and provides access to the various parts of the
+name that have meaning.
+"""
+import re
+from typing import Dict, Iterable, List
+
+from pip._vendor.packaging.tags import Tag
+
+from pip._internal.exceptions import InvalidWheelFilename
+
+
+class Wheel:
+    """A wheel file"""
+
+    wheel_file_re = re.compile(
+        r"""^(?P<namever>(?P<name>[^\s-]+?)-(?P<ver>[^\s-]*?))
+        ((-(?P<build>\d[^-]*?))?-(?P<pyver>[^\s-]+?)-(?P<abi>[^\s-]+?)-(?P<plat>[^\s-]+?)
+        \.whl|\.dist-info)$""",
+        re.VERBOSE,
+    )
+
+    def __init__(self, filename: str) -> None:
+        """
+        :raises InvalidWheelFilename: when the filename is invalid for a wheel
+        """
+        wheel_info = self.wheel_file_re.match(filename)
+        if not wheel_info:
+            raise InvalidWheelFilename(f"{filename} is not a valid wheel filename.")
+        self.filename = filename
+        self.name = wheel_info.group("name").replace("_", "-")
+        # we'll assume "_" means "-" due to wheel naming scheme
+        # (https://github.com/pypa/pip/issues/1150)
+        self.version = wheel_info.group("ver").replace("_", "-")
+        self.build_tag = wheel_info.group("build")
+        self.pyversions = wheel_info.group("pyver").split(".")
+        self.abis = wheel_info.group("abi").split(".")
+        self.plats = wheel_info.group("plat").split(".")
+
+        # All the tag combinations from this file
+        self.file_tags = {
+            Tag(x, y, z) for x in self.pyversions for y in self.abis for z in self.plats
+        }
+
+    def get_formatted_file_tags(self) -> List[str]:
+        """Return the wheel's tags as a sorted list of strings."""
+        return sorted(str(tag) for tag in self.file_tags)
+
+    def support_index_min(self, tags: List[Tag]) -> int:
+        """Return the lowest index that one of the wheel's file_tag combinations
+        achieves in the given list of supported tags.
+
+        For example, if there are 8 supported tags and one of the file tags
+        is first in the list, then return 0.
+
+        :param tags: the PEP 425 tags to check the wheel against, in order
+            with most preferred first.
+
+        :raises ValueError: If none of the wheel's file tags match one of
+            the supported tags.
+        """
+        try:
+            return next(i for i, t in enumerate(tags) if t in self.file_tags)
+        except StopIteration:
+            raise ValueError()
+
+    def find_most_preferred_tag(
+        self, tags: List[Tag], tag_to_priority: Dict[Tag, int]
+    ) -> int:
+        """Return the priority of the most preferred tag that one of the wheel's file
+        tag combinations achieves in the given list of supported tags using the given
+        tag_to_priority mapping, where lower priorities are more-preferred.
+
+        This is used in place of support_index_min in some cases in order to avoid
+        an expensive linear scan of a large list of tags.
+
+        :param tags: the PEP 425 tags to check the wheel against.
+        :param tag_to_priority: a mapping from tag to priority of that tag, where
+            lower is more preferred.
+
+        :raises ValueError: If none of the wheel's file tags match one of
+            the supported tags.
+        """
+        return min(
+            tag_to_priority[tag] for tag in self.file_tags if tag in tag_to_priority
+        )
+
+    def supported(self, tags: Iterable[Tag]) -> bool:
+        """Return whether the wheel is compatible with one of the given tags.
+
+        :param tags: the PEP 425 tags to check the wheel against.
+        """
+        return not self.file_tags.isdisjoint(tags)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/__init__.py
new file mode 100644
index 00000000..b51bde91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/__init__.py
@@ -0,0 +1,2 @@
+"""Contains purely network-related utilities.
+"""
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/auth.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/auth.py
new file mode 100644
index 00000000..94a82fa6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/auth.py
@@ -0,0 +1,561 @@
+"""Network Authentication Helpers
+
+Contains interface (MultiDomainBasicAuth) and associated glue code for
+providing credentials in the context of network requests.
+"""
+import logging
+import os
+import shutil
+import subprocess
+import sysconfig
+import typing
+import urllib.parse
+from abc import ABC, abstractmethod
+from functools import lru_cache
+from os.path import commonprefix
+from pathlib import Path
+from typing import Any, Dict, List, NamedTuple, Optional, Tuple
+
+from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth
+from pip._vendor.requests.models import Request, Response
+from pip._vendor.requests.utils import get_netrc_auth
+
+from pip._internal.utils.logging import getLogger
+from pip._internal.utils.misc import (
+    ask,
+    ask_input,
+    ask_password,
+    remove_auth_from_url,
+    split_auth_netloc_from_url,
+)
+from pip._internal.vcs.versioncontrol import AuthInfo
+
+logger = getLogger(__name__)
+
+KEYRING_DISABLED = False
+
+
+class Credentials(NamedTuple):
+    url: str
+    username: str
+    password: str
+
+
+class KeyRingBaseProvider(ABC):
+    """Keyring base provider interface"""
+
+    has_keyring: bool
+
+    @abstractmethod
+    def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]:
+        ...
+
+    @abstractmethod
+    def save_auth_info(self, url: str, username: str, password: str) -> None:
+        ...
+
+
+class KeyRingNullProvider(KeyRingBaseProvider):
+    """Keyring null provider"""
+
+    has_keyring = False
+
+    def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]:
+        return None
+
+    def save_auth_info(self, url: str, username: str, password: str) -> None:
+        return None
+
+
+class KeyRingPythonProvider(KeyRingBaseProvider):
+    """Keyring interface which uses locally imported `keyring`"""
+
+    has_keyring = True
+
+    def __init__(self) -> None:
+        import keyring
+
+        self.keyring = keyring
+
+    def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]:
+        # Support keyring's get_credential interface which supports getting
+        # credentials without a username. This is only available for
+        # keyring>=15.2.0.
+        if hasattr(self.keyring, "get_credential"):
+            logger.debug("Getting credentials from keyring for %s", url)
+            cred = self.keyring.get_credential(url, username)
+            if cred is not None:
+                return cred.username, cred.password
+            return None
+
+        if username is not None:
+            logger.debug("Getting password from keyring for %s", url)
+            password = self.keyring.get_password(url, username)
+            if password:
+                return username, password
+        return None
+
+    def save_auth_info(self, url: str, username: str, password: str) -> None:
+        self.keyring.set_password(url, username, password)
+
+
+class KeyRingCliProvider(KeyRingBaseProvider):
+    """Provider which uses `keyring` cli
+
+    Instead of calling the keyring package installed alongside pip
+    we call keyring on the command line which will enable pip to
+    use which ever installation of keyring is available first in
+    PATH.
+    """
+
+    has_keyring = True
+
+    def __init__(self, cmd: str) -> None:
+        self.keyring = cmd
+
+    def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]:
+        # This is the default implementation of keyring.get_credential
+        # https://github.com/jaraco/keyring/blob/97689324abcf01bd1793d49063e7ca01e03d7d07/keyring/backend.py#L134-L139
+        if username is not None:
+            password = self._get_password(url, username)
+            if password is not None:
+                return username, password
+        return None
+
+    def save_auth_info(self, url: str, username: str, password: str) -> None:
+        return self._set_password(url, username, password)
+
+    def _get_password(self, service_name: str, username: str) -> Optional[str]:
+        """Mirror the implementation of keyring.get_password using cli"""
+        if self.keyring is None:
+            return None
+
+        cmd = [self.keyring, "get", service_name, username]
+        env = os.environ.copy()
+        env["PYTHONIOENCODING"] = "utf-8"
+        res = subprocess.run(
+            cmd,
+            stdin=subprocess.DEVNULL,
+            stdout=subprocess.PIPE,
+            env=env,
+        )
+        if res.returncode:
+            return None
+        return res.stdout.decode("utf-8").strip(os.linesep)
+
+    def _set_password(self, service_name: str, username: str, password: str) -> None:
+        """Mirror the implementation of keyring.set_password using cli"""
+        if self.keyring is None:
+            return None
+        env = os.environ.copy()
+        env["PYTHONIOENCODING"] = "utf-8"
+        subprocess.run(
+            [self.keyring, "set", service_name, username],
+            input=f"{password}{os.linesep}".encode("utf-8"),
+            env=env,
+            check=True,
+        )
+        return None
+
+
+@lru_cache(maxsize=None)
+def get_keyring_provider(provider: str) -> KeyRingBaseProvider:
+    logger.verbose("Keyring provider requested: %s", provider)
+
+    # keyring has previously failed and been disabled
+    if KEYRING_DISABLED:
+        provider = "disabled"
+    if provider in ["import", "auto"]:
+        try:
+            impl = KeyRingPythonProvider()
+            logger.verbose("Keyring provider set: import")
+            return impl
+        except ImportError:
+            pass
+        except Exception as exc:
+            # In the event of an unexpected exception
+            # we should warn the user
+            msg = "Installed copy of keyring fails with exception %s"
+            if provider == "auto":
+                msg = msg + ", trying to find a keyring executable as a fallback"
+            logger.warning(msg, exc, exc_info=logger.isEnabledFor(logging.DEBUG))
+    if provider in ["subprocess", "auto"]:
+        cli = shutil.which("keyring")
+        if cli and cli.startswith(sysconfig.get_path("scripts")):
+            # all code within this function is stolen from shutil.which implementation
+            @typing.no_type_check
+            def PATH_as_shutil_which_determines_it() -> str:
+                path = os.environ.get("PATH", None)
+                if path is None:
+                    try:
+                        path = os.confstr("CS_PATH")
+                    except (AttributeError, ValueError):
+                        # os.confstr() or CS_PATH is not available
+                        path = os.defpath
+                # bpo-35755: Don't use os.defpath if the PATH environment variable is
+                # set to an empty string
+
+                return path
+
+            scripts = Path(sysconfig.get_path("scripts"))
+
+            paths = []
+            for path in PATH_as_shutil_which_determines_it().split(os.pathsep):
+                p = Path(path)
+                try:
+                    if not p.samefile(scripts):
+                        paths.append(path)
+                except FileNotFoundError:
+                    pass
+
+            path = os.pathsep.join(paths)
+
+            cli = shutil.which("keyring", path=path)
+
+        if cli:
+            logger.verbose("Keyring provider set: subprocess with executable %s", cli)
+            return KeyRingCliProvider(cli)
+
+    logger.verbose("Keyring provider set: disabled")
+    return KeyRingNullProvider()
+
+
+class MultiDomainBasicAuth(AuthBase):
+    def __init__(
+        self,
+        prompting: bool = True,
+        index_urls: Optional[List[str]] = None,
+        keyring_provider: str = "auto",
+    ) -> None:
+        self.prompting = prompting
+        self.index_urls = index_urls
+        self.keyring_provider = keyring_provider  # type: ignore[assignment]
+        self.passwords: Dict[str, AuthInfo] = {}
+        # When the user is prompted to enter credentials and keyring is
+        # available, we will offer to save them. If the user accepts,
+        # this value is set to the credentials they entered. After the
+        # request authenticates, the caller should call
+        # ``save_credentials`` to save these.
+        self._credentials_to_save: Optional[Credentials] = None
+
+    @property
+    def keyring_provider(self) -> KeyRingBaseProvider:
+        return get_keyring_provider(self._keyring_provider)
+
+    @keyring_provider.setter
+    def keyring_provider(self, provider: str) -> None:
+        # The free function get_keyring_provider has been decorated with
+        # functools.cache. If an exception occurs in get_keyring_auth that
+        # cache will be cleared and keyring disabled, take that into account
+        # if you want to remove this indirection.
+        self._keyring_provider = provider
+
+    @property
+    def use_keyring(self) -> bool:
+        # We won't use keyring when --no-input is passed unless
+        # a specific provider is requested because it might require
+        # user interaction
+        return self.prompting or self._keyring_provider not in ["auto", "disabled"]
+
+    def _get_keyring_auth(
+        self,
+        url: Optional[str],
+        username: Optional[str],
+    ) -> Optional[AuthInfo]:
+        """Return the tuple auth for a given url from keyring."""
+        # Do nothing if no url was provided
+        if not url:
+            return None
+
+        try:
+            return self.keyring_provider.get_auth_info(url, username)
+        except Exception as exc:
+            logger.warning(
+                "Keyring is skipped due to an exception: %s",
+                str(exc),
+            )
+            global KEYRING_DISABLED
+            KEYRING_DISABLED = True
+            get_keyring_provider.cache_clear()
+            return None
+
+    def _get_index_url(self, url: str) -> Optional[str]:
+        """Return the original index URL matching the requested URL.
+
+        Cached or dynamically generated credentials may work against
+        the original index URL rather than just the netloc.
+
+        The provided url should have had its username and password
+        removed already. If the original index url had credentials then
+        they will be included in the return value.
+
+        Returns None if no matching index was found, or if --no-index
+        was specified by the user.
+        """
+        if not url or not self.index_urls:
+            return None
+
+        url = remove_auth_from_url(url).rstrip("/") + "/"
+        parsed_url = urllib.parse.urlsplit(url)
+
+        candidates = []
+
+        for index in self.index_urls:
+            index = index.rstrip("/") + "/"
+            parsed_index = urllib.parse.urlsplit(remove_auth_from_url(index))
+            if parsed_url == parsed_index:
+                return index
+
+            if parsed_url.netloc != parsed_index.netloc:
+                continue
+
+            candidate = urllib.parse.urlsplit(index)
+            candidates.append(candidate)
+
+        if not candidates:
+            return None
+
+        candidates.sort(
+            reverse=True,
+            key=lambda candidate: commonprefix(
+                [
+                    parsed_url.path,
+                    candidate.path,
+                ]
+            ).rfind("/"),
+        )
+
+        return urllib.parse.urlunsplit(candidates[0])
+
+    def _get_new_credentials(
+        self,
+        original_url: str,
+        *,
+        allow_netrc: bool = True,
+        allow_keyring: bool = False,
+    ) -> AuthInfo:
+        """Find and return credentials for the specified URL."""
+        # Split the credentials and netloc from the url.
+        url, netloc, url_user_password = split_auth_netloc_from_url(
+            original_url,
+        )
+
+        # Start with the credentials embedded in the url
+        username, password = url_user_password
+        if username is not None and password is not None:
+            logger.debug("Found credentials in url for %s", netloc)
+            return url_user_password
+
+        # Find a matching index url for this request
+        index_url = self._get_index_url(url)
+        if index_url:
+            # Split the credentials from the url.
+            index_info = split_auth_netloc_from_url(index_url)
+            if index_info:
+                index_url, _, index_url_user_password = index_info
+                logger.debug("Found index url %s", index_url)
+
+        # If an index URL was found, try its embedded credentials
+        if index_url and index_url_user_password[0] is not None:
+            username, password = index_url_user_password
+            if username is not None and password is not None:
+                logger.debug("Found credentials in index url for %s", netloc)
+                return index_url_user_password
+
+        # Get creds from netrc if we still don't have them
+        if allow_netrc:
+            netrc_auth = get_netrc_auth(original_url)
+            if netrc_auth:
+                logger.debug("Found credentials in netrc for %s", netloc)
+                return netrc_auth
+
+        # If we don't have a password and keyring is available, use it.
+        if allow_keyring:
+            # The index url is more specific than the netloc, so try it first
+            # fmt: off
+            kr_auth = (
+                self._get_keyring_auth(index_url, username) or
+                self._get_keyring_auth(netloc, username)
+            )
+            # fmt: on
+            if kr_auth:
+                logger.debug("Found credentials in keyring for %s", netloc)
+                return kr_auth
+
+        return username, password
+
+    def _get_url_and_credentials(
+        self, original_url: str
+    ) -> Tuple[str, Optional[str], Optional[str]]:
+        """Return the credentials to use for the provided URL.
+
+        If allowed, netrc and keyring may be used to obtain the
+        correct credentials.
+
+        Returns (url_without_credentials, username, password). Note
+        that even if the original URL contains credentials, this
+        function may return a different username and password.
+        """
+        url, netloc, _ = split_auth_netloc_from_url(original_url)
+
+        # Try to get credentials from original url
+        username, password = self._get_new_credentials(original_url)
+
+        # If credentials not found, use any stored credentials for this netloc.
+        # Do this if either the username or the password is missing.
+        # This accounts for the situation in which the user has specified
+        # the username in the index url, but the password comes from keyring.
+        if (username is None or password is None) and netloc in self.passwords:
+            un, pw = self.passwords[netloc]
+            # It is possible that the cached credentials are for a different username,
+            # in which case the cache should be ignored.
+            if username is None or username == un:
+                username, password = un, pw
+
+        if username is not None or password is not None:
+            # Convert the username and password if they're None, so that
+            # this netloc will show up as "cached" in the conditional above.
+            # Further, HTTPBasicAuth doesn't accept None, so it makes sense to
+            # cache the value that is going to be used.
+            username = username or ""
+            password = password or ""
+
+            # Store any acquired credentials.
+            self.passwords[netloc] = (username, password)
+
+        assert (
+            # Credentials were found
+            (username is not None and password is not None)
+            # Credentials were not found
+            or (username is None and password is None)
+        ), f"Could not load credentials from url: {original_url}"
+
+        return url, username, password
+
+    def __call__(self, req: Request) -> Request:
+        # Get credentials for this request
+        url, username, password = self._get_url_and_credentials(req.url)
+
+        # Set the url of the request to the url without any credentials
+        req.url = url
+
+        if username is not None and password is not None:
+            # Send the basic auth with this request
+            req = HTTPBasicAuth(username, password)(req)
+
+        # Attach a hook to handle 401 responses
+        req.register_hook("response", self.handle_401)
+
+        return req
+
+    # Factored out to allow for easy patching in tests
+    def _prompt_for_password(
+        self, netloc: str
+    ) -> Tuple[Optional[str], Optional[str], bool]:
+        username = ask_input(f"User for {netloc}: ") if self.prompting else None
+        if not username:
+            return None, None, False
+        if self.use_keyring:
+            auth = self._get_keyring_auth(netloc, username)
+            if auth and auth[0] is not None and auth[1] is not None:
+                return auth[0], auth[1], False
+        password = ask_password("Password: ")
+        return username, password, True
+
+    # Factored out to allow for easy patching in tests
+    def _should_save_password_to_keyring(self) -> bool:
+        if (
+            not self.prompting
+            or not self.use_keyring
+            or not self.keyring_provider.has_keyring
+        ):
+            return False
+        return ask("Save credentials to keyring [y/N]: ", ["y", "n"]) == "y"
+
+    def handle_401(self, resp: Response, **kwargs: Any) -> Response:
+        # We only care about 401 responses, anything else we want to just
+        #   pass through the actual response
+        if resp.status_code != 401:
+            return resp
+
+        username, password = None, None
+
+        # Query the keyring for credentials:
+        if self.use_keyring:
+            username, password = self._get_new_credentials(
+                resp.url,
+                allow_netrc=False,
+                allow_keyring=True,
+            )
+
+        # We are not able to prompt the user so simply return the response
+        if not self.prompting and not username and not password:
+            return resp
+
+        parsed = urllib.parse.urlparse(resp.url)
+
+        # Prompt the user for a new username and password
+        save = False
+        if not username and not password:
+            username, password, save = self._prompt_for_password(parsed.netloc)
+
+        # Store the new username and password to use for future requests
+        self._credentials_to_save = None
+        if username is not None and password is not None:
+            self.passwords[parsed.netloc] = (username, password)
+
+            # Prompt to save the password to keyring
+            if save and self._should_save_password_to_keyring():
+                self._credentials_to_save = Credentials(
+                    url=parsed.netloc,
+                    username=username,
+                    password=password,
+                )
+
+        # Consume content and release the original connection to allow our new
+        #   request to reuse the same one.
+        # The result of the assignment isn't used, it's just needed to consume
+        # the content.
+        _ = resp.content
+        resp.raw.release_conn()
+
+        # Add our new username and password to the request
+        req = HTTPBasicAuth(username or "", password or "")(resp.request)
+        req.register_hook("response", self.warn_on_401)
+
+        # On successful request, save the credentials that were used to
+        # keyring. (Note that if the user responded "no" above, this member
+        # is not set and nothing will be saved.)
+        if self._credentials_to_save:
+            req.register_hook("response", self.save_credentials)
+
+        # Send our new request
+        new_resp = resp.connection.send(req, **kwargs)
+        new_resp.history.append(resp)
+
+        return new_resp
+
+    def warn_on_401(self, resp: Response, **kwargs: Any) -> None:
+        """Response callback to warn about incorrect credentials."""
+        if resp.status_code == 401:
+            logger.warning(
+                "401 Error, Credentials not correct for %s",
+                resp.request.url,
+            )
+
+    def save_credentials(self, resp: Response, **kwargs: Any) -> None:
+        """Response callback to save credentials on success."""
+        assert (
+            self.keyring_provider.has_keyring
+        ), "should never reach here without keyring"
+
+        creds = self._credentials_to_save
+        self._credentials_to_save = None
+        if creds and resp.status_code < 400:
+            try:
+                logger.info("Saving credentials to keyring")
+                self.keyring_provider.save_auth_info(
+                    creds.url, creds.username, creds.password
+                )
+            except Exception:
+                logger.exception("Failed to save credentials")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/cache.py
new file mode 100644
index 00000000..4d0fb545
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/cache.py
@@ -0,0 +1,106 @@
+"""HTTP cache implementation.
+"""
+
+import os
+from contextlib import contextmanager
+from datetime import datetime
+from typing import BinaryIO, Generator, Optional, Union
+
+from pip._vendor.cachecontrol.cache import SeparateBodyBaseCache
+from pip._vendor.cachecontrol.caches import SeparateBodyFileCache
+from pip._vendor.requests.models import Response
+
+from pip._internal.utils.filesystem import adjacent_tmp_file, replace
+from pip._internal.utils.misc import ensure_dir
+
+
+def is_from_cache(response: Response) -> bool:
+    return getattr(response, "from_cache", False)
+
+
+@contextmanager
+def suppressed_cache_errors() -> Generator[None, None, None]:
+    """If we can't access the cache then we can just skip caching and process
+    requests as if caching wasn't enabled.
+    """
+    try:
+        yield
+    except OSError:
+        pass
+
+
+class SafeFileCache(SeparateBodyBaseCache):
+    """
+    A file based cache which is safe to use even when the target directory may
+    not be accessible or writable.
+
+    There is a race condition when two processes try to write and/or read the
+    same entry at the same time, since each entry consists of two separate
+    files (https://github.com/psf/cachecontrol/issues/324).  We therefore have
+    additional logic that makes sure that both files to be present before
+    returning an entry; this fixes the read side of the race condition.
+
+    For the write side, we assume that the server will only ever return the
+    same data for the same URL, which ought to be the case for files pip is
+    downloading.  PyPI does not have a mechanism to swap out a wheel for
+    another wheel, for example.  If this assumption is not true, the
+    CacheControl issue will need to be fixed.
+    """
+
+    def __init__(self, directory: str) -> None:
+        assert directory is not None, "Cache directory must not be None."
+        super().__init__()
+        self.directory = directory
+
+    def _get_cache_path(self, name: str) -> str:
+        # From cachecontrol.caches.file_cache.FileCache._fn, brought into our
+        # class for backwards-compatibility and to avoid using a non-public
+        # method.
+        hashed = SeparateBodyFileCache.encode(name)
+        parts = list(hashed[:5]) + [hashed]
+        return os.path.join(self.directory, *parts)
+
+    def get(self, key: str) -> Optional[bytes]:
+        # The cache entry is only valid if both metadata and body exist.
+        metadata_path = self._get_cache_path(key)
+        body_path = metadata_path + ".body"
+        if not (os.path.exists(metadata_path) and os.path.exists(body_path)):
+            return None
+        with suppressed_cache_errors():
+            with open(metadata_path, "rb") as f:
+                return f.read()
+
+    def _write(self, path: str, data: bytes) -> None:
+        with suppressed_cache_errors():
+            ensure_dir(os.path.dirname(path))
+
+            with adjacent_tmp_file(path) as f:
+                f.write(data)
+
+            replace(f.name, path)
+
+    def set(
+        self, key: str, value: bytes, expires: Union[int, datetime, None] = None
+    ) -> None:
+        path = self._get_cache_path(key)
+        self._write(path, value)
+
+    def delete(self, key: str) -> None:
+        path = self._get_cache_path(key)
+        with suppressed_cache_errors():
+            os.remove(path)
+        with suppressed_cache_errors():
+            os.remove(path + ".body")
+
+    def get_body(self, key: str) -> Optional[BinaryIO]:
+        # The cache entry is only valid if both metadata and body exist.
+        metadata_path = self._get_cache_path(key)
+        body_path = metadata_path + ".body"
+        if not (os.path.exists(metadata_path) and os.path.exists(body_path)):
+            return None
+        with suppressed_cache_errors():
+            return open(body_path, "rb")
+
+    def set_body(self, key: str, body: bytes) -> None:
+        path = self._get_cache_path(key) + ".body"
+        self._write(path, body)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/download.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/download.py
new file mode 100644
index 00000000..d1d43541
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/download.py
@@ -0,0 +1,186 @@
+"""Download files with progress indicators.
+"""
+import email.message
+import logging
+import mimetypes
+import os
+from typing import Iterable, Optional, Tuple
+
+from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
+
+from pip._internal.cli.progress_bars import get_download_progress_renderer
+from pip._internal.exceptions import NetworkConnectionError
+from pip._internal.models.index import PyPI
+from pip._internal.models.link import Link
+from pip._internal.network.cache import is_from_cache
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
+from pip._internal.utils.misc import format_size, redact_auth_from_url, splitext
+
+logger = logging.getLogger(__name__)
+
+
+def _get_http_response_size(resp: Response) -> Optional[int]:
+    try:
+        return int(resp.headers["content-length"])
+    except (ValueError, KeyError, TypeError):
+        return None
+
+
+def _prepare_download(
+    resp: Response,
+    link: Link,
+    progress_bar: str,
+) -> Iterable[bytes]:
+    total_length = _get_http_response_size(resp)
+
+    if link.netloc == PyPI.file_storage_domain:
+        url = link.show_url
+    else:
+        url = link.url_without_fragment
+
+    logged_url = redact_auth_from_url(url)
+
+    if total_length:
+        logged_url = f"{logged_url} ({format_size(total_length)})"
+
+    if is_from_cache(resp):
+        logger.info("Using cached %s", logged_url)
+    else:
+        logger.info("Downloading %s", logged_url)
+
+    if logger.getEffectiveLevel() > logging.INFO:
+        show_progress = False
+    elif is_from_cache(resp):
+        show_progress = False
+    elif not total_length:
+        show_progress = True
+    elif total_length > (40 * 1000):
+        show_progress = True
+    else:
+        show_progress = False
+
+    chunks = response_chunks(resp, CONTENT_CHUNK_SIZE)
+
+    if not show_progress:
+        return chunks
+
+    renderer = get_download_progress_renderer(bar_type=progress_bar, size=total_length)
+    return renderer(chunks)
+
+
+def sanitize_content_filename(filename: str) -> str:
+    """
+    Sanitize the "filename" value from a Content-Disposition header.
+    """
+    return os.path.basename(filename)
+
+
+def parse_content_disposition(content_disposition: str, default_filename: str) -> str:
+    """
+    Parse the "filename" value from a Content-Disposition header, and
+    return the default filename if the result is empty.
+    """
+    m = email.message.Message()
+    m["content-type"] = content_disposition
+    filename = m.get_param("filename")
+    if filename:
+        # We need to sanitize the filename to prevent directory traversal
+        # in case the filename contains ".." path parts.
+        filename = sanitize_content_filename(str(filename))
+    return filename or default_filename
+
+
+def _get_http_response_filename(resp: Response, link: Link) -> str:
+    """Get an ideal filename from the given HTTP response, falling back to
+    the link filename if not provided.
+    """
+    filename = link.filename  # fallback
+    # Have a look at the Content-Disposition header for a better guess
+    content_disposition = resp.headers.get("content-disposition")
+    if content_disposition:
+        filename = parse_content_disposition(content_disposition, filename)
+    ext: Optional[str] = splitext(filename)[1]
+    if not ext:
+        ext = mimetypes.guess_extension(resp.headers.get("content-type", ""))
+        if ext:
+            filename += ext
+    if not ext and link.url != resp.url:
+        ext = os.path.splitext(resp.url)[1]
+        if ext:
+            filename += ext
+    return filename
+
+
+def _http_get_download(session: PipSession, link: Link) -> Response:
+    target_url = link.url.split("#", 1)[0]
+    resp = session.get(target_url, headers=HEADERS, stream=True)
+    raise_for_status(resp)
+    return resp
+
+
+class Downloader:
+    def __init__(
+        self,
+        session: PipSession,
+        progress_bar: str,
+    ) -> None:
+        self._session = session
+        self._progress_bar = progress_bar
+
+    def __call__(self, link: Link, location: str) -> Tuple[str, str]:
+        """Download the file given by link into location."""
+        try:
+            resp = _http_get_download(self._session, link)
+        except NetworkConnectionError as e:
+            assert e.response is not None
+            logger.critical(
+                "HTTP error %s while getting %s", e.response.status_code, link
+            )
+            raise
+
+        filename = _get_http_response_filename(resp, link)
+        filepath = os.path.join(location, filename)
+
+        chunks = _prepare_download(resp, link, self._progress_bar)
+        with open(filepath, "wb") as content_file:
+            for chunk in chunks:
+                content_file.write(chunk)
+        content_type = resp.headers.get("Content-Type", "")
+        return filepath, content_type
+
+
+class BatchDownloader:
+    def __init__(
+        self,
+        session: PipSession,
+        progress_bar: str,
+    ) -> None:
+        self._session = session
+        self._progress_bar = progress_bar
+
+    def __call__(
+        self, links: Iterable[Link], location: str
+    ) -> Iterable[Tuple[Link, Tuple[str, str]]]:
+        """Download the files given by links into location."""
+        for link in links:
+            try:
+                resp = _http_get_download(self._session, link)
+            except NetworkConnectionError as e:
+                assert e.response is not None
+                logger.critical(
+                    "HTTP error %s while getting %s",
+                    e.response.status_code,
+                    link,
+                )
+                raise
+
+            filename = _get_http_response_filename(resp, link)
+            filepath = os.path.join(location, filename)
+
+            chunks = _prepare_download(resp, link, self._progress_bar)
+            with open(filepath, "wb") as content_file:
+                for chunk in chunks:
+                    content_file.write(chunk)
+            content_type = resp.headers.get("Content-Type", "")
+            yield link, (filepath, content_type)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/lazy_wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/lazy_wheel.py
new file mode 100644
index 00000000..82ec50d5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/lazy_wheel.py
@@ -0,0 +1,210 @@
+"""Lazy ZIP over HTTP"""
+
+__all__ = ["HTTPRangeRequestUnsupported", "dist_from_wheel_url"]
+
+from bisect import bisect_left, bisect_right
+from contextlib import contextmanager
+from tempfile import NamedTemporaryFile
+from typing import Any, Dict, Generator, List, Optional, Tuple
+from zipfile import BadZipFile, ZipFile
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
+
+from pip._internal.metadata import BaseDistribution, MemoryWheel, get_wheel_distribution
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
+
+
+class HTTPRangeRequestUnsupported(Exception):
+    pass
+
+
+def dist_from_wheel_url(name: str, url: str, session: PipSession) -> BaseDistribution:
+    """Return a distribution object from the given wheel URL.
+
+    This uses HTTP range requests to only fetch the portion of the wheel
+    containing metadata, just enough for the object to be constructed.
+    If such requests are not supported, HTTPRangeRequestUnsupported
+    is raised.
+    """
+    with LazyZipOverHTTP(url, session) as zf:
+        # For read-only ZIP files, ZipFile only needs methods read,
+        # seek, seekable and tell, not the whole IO protocol.
+        wheel = MemoryWheel(zf.name, zf)  # type: ignore
+        # After context manager exit, wheel.name
+        # is an invalid file by intention.
+        return get_wheel_distribution(wheel, canonicalize_name(name))
+
+
+class LazyZipOverHTTP:
+    """File-like object mapped to a ZIP file over HTTP.
+
+    This uses HTTP range requests to lazily fetch the file's content,
+    which is supposed to be fed to ZipFile.  If such requests are not
+    supported by the server, raise HTTPRangeRequestUnsupported
+    during initialization.
+    """
+
+    def __init__(
+        self, url: str, session: PipSession, chunk_size: int = CONTENT_CHUNK_SIZE
+    ) -> None:
+        head = session.head(url, headers=HEADERS)
+        raise_for_status(head)
+        assert head.status_code == 200
+        self._session, self._url, self._chunk_size = session, url, chunk_size
+        self._length = int(head.headers["Content-Length"])
+        self._file = NamedTemporaryFile()
+        self.truncate(self._length)
+        self._left: List[int] = []
+        self._right: List[int] = []
+        if "bytes" not in head.headers.get("Accept-Ranges", "none"):
+            raise HTTPRangeRequestUnsupported("range request is not supported")
+        self._check_zip()
+
+    @property
+    def mode(self) -> str:
+        """Opening mode, which is always rb."""
+        return "rb"
+
+    @property
+    def name(self) -> str:
+        """Path to the underlying file."""
+        return self._file.name
+
+    def seekable(self) -> bool:
+        """Return whether random access is supported, which is True."""
+        return True
+
+    def close(self) -> None:
+        """Close the file."""
+        self._file.close()
+
+    @property
+    def closed(self) -> bool:
+        """Whether the file is closed."""
+        return self._file.closed
+
+    def read(self, size: int = -1) -> bytes:
+        """Read up to size bytes from the object and return them.
+
+        As a convenience, if size is unspecified or -1,
+        all bytes until EOF are returned.  Fewer than
+        size bytes may be returned if EOF is reached.
+        """
+        download_size = max(size, self._chunk_size)
+        start, length = self.tell(), self._length
+        stop = length if size < 0 else min(start + download_size, length)
+        start = max(0, stop - download_size)
+        self._download(start, stop - 1)
+        return self._file.read(size)
+
+    def readable(self) -> bool:
+        """Return whether the file is readable, which is True."""
+        return True
+
+    def seek(self, offset: int, whence: int = 0) -> int:
+        """Change stream position and return the new absolute position.
+
+        Seek to offset relative position indicated by whence:
+        * 0: Start of stream (the default).  pos should be >= 0;
+        * 1: Current position - pos may be negative;
+        * 2: End of stream - pos usually negative.
+        """
+        return self._file.seek(offset, whence)
+
+    def tell(self) -> int:
+        """Return the current position."""
+        return self._file.tell()
+
+    def truncate(self, size: Optional[int] = None) -> int:
+        """Resize the stream to the given size in bytes.
+
+        If size is unspecified resize to the current position.
+        The current stream position isn't changed.
+
+        Return the new file size.
+        """
+        return self._file.truncate(size)
+
+    def writable(self) -> bool:
+        """Return False."""
+        return False
+
+    def __enter__(self) -> "LazyZipOverHTTP":
+        self._file.__enter__()
+        return self
+
+    def __exit__(self, *exc: Any) -> None:
+        self._file.__exit__(*exc)
+
+    @contextmanager
+    def _stay(self) -> Generator[None, None, None]:
+        """Return a context manager keeping the position.
+
+        At the end of the block, seek back to original position.
+        """
+        pos = self.tell()
+        try:
+            yield
+        finally:
+            self.seek(pos)
+
+    def _check_zip(self) -> None:
+        """Check and download until the file is a valid ZIP."""
+        end = self._length - 1
+        for start in reversed(range(0, end, self._chunk_size)):
+            self._download(start, end)
+            with self._stay():
+                try:
+                    # For read-only ZIP files, ZipFile only needs
+                    # methods read, seek, seekable and tell.
+                    ZipFile(self)  # type: ignore
+                except BadZipFile:
+                    pass
+                else:
+                    break
+
+    def _stream_response(
+        self, start: int, end: int, base_headers: Dict[str, str] = HEADERS
+    ) -> Response:
+        """Return HTTP response to a range request from start to end."""
+        headers = base_headers.copy()
+        headers["Range"] = f"bytes={start}-{end}"
+        # TODO: Get range requests to be correctly cached
+        headers["Cache-Control"] = "no-cache"
+        return self._session.get(self._url, headers=headers, stream=True)
+
+    def _merge(
+        self, start: int, end: int, left: int, right: int
+    ) -> Generator[Tuple[int, int], None, None]:
+        """Return a generator of intervals to be fetched.
+
+        Args:
+            start (int): Start of needed interval
+            end (int): End of needed interval
+            left (int): Index of first overlapping downloaded data
+            right (int): Index after last overlapping downloaded data
+        """
+        lslice, rslice = self._left[left:right], self._right[left:right]
+        i = start = min([start] + lslice[:1])
+        end = max([end] + rslice[-1:])
+        for j, k in zip(lslice, rslice):
+            if j > i:
+                yield i, j - 1
+            i = k + 1
+        if i <= end:
+            yield i, end
+        self._left[left:right], self._right[left:right] = [start], [end]
+
+    def _download(self, start: int, end: int) -> None:
+        """Download bytes from start to end inclusively."""
+        with self._stay():
+            left = bisect_left(self._right, start)
+            right = bisect_right(self._left, end)
+            for start, end in self._merge(start, end, left, right):
+                response = self._stream_response(start, end)
+                response.raise_for_status()
+                self.seek(start)
+                for chunk in response_chunks(response, self._chunk_size):
+                    self._file.write(chunk)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/session.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/session.py
new file mode 100644
index 00000000..f17efc52
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/session.py
@@ -0,0 +1,520 @@
+"""PipSession and supporting code, containing all pip-specific
+network request configuration and behavior.
+"""
+
+import email.utils
+import io
+import ipaddress
+import json
+import logging
+import mimetypes
+import os
+import platform
+import shutil
+import subprocess
+import sys
+import urllib.parse
+import warnings
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Dict,
+    Generator,
+    List,
+    Mapping,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+)
+
+from pip._vendor import requests, urllib3
+from pip._vendor.cachecontrol import CacheControlAdapter as _BaseCacheControlAdapter
+from pip._vendor.requests.adapters import DEFAULT_POOLBLOCK, BaseAdapter
+from pip._vendor.requests.adapters import HTTPAdapter as _BaseHTTPAdapter
+from pip._vendor.requests.models import PreparedRequest, Response
+from pip._vendor.requests.structures import CaseInsensitiveDict
+from pip._vendor.urllib3.connectionpool import ConnectionPool
+from pip._vendor.urllib3.exceptions import InsecureRequestWarning
+
+from pip import __version__
+from pip._internal.metadata import get_default_environment
+from pip._internal.models.link import Link
+from pip._internal.network.auth import MultiDomainBasicAuth
+from pip._internal.network.cache import SafeFileCache
+
+# Import ssl from compat so the initial import occurs in only one place.
+from pip._internal.utils.compat import has_tls
+from pip._internal.utils.glibc import libc_ver
+from pip._internal.utils.misc import build_url_from_netloc, parse_netloc
+from pip._internal.utils.urls import url_to_path
+
+if TYPE_CHECKING:
+    from ssl import SSLContext
+
+    from pip._vendor.urllib3.poolmanager import PoolManager
+
+
+logger = logging.getLogger(__name__)
+
+SecureOrigin = Tuple[str, str, Optional[Union[int, str]]]
+
+
+# Ignore warning raised when using --trusted-host.
+warnings.filterwarnings("ignore", category=InsecureRequestWarning)
+
+
+SECURE_ORIGINS: List[SecureOrigin] = [
+    # protocol, hostname, port
+    # Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC)
+    ("https", "*", "*"),
+    ("*", "localhost", "*"),
+    ("*", "127.0.0.0/8", "*"),
+    ("*", "::1/128", "*"),
+    ("file", "*", None),
+    # ssh is always secure.
+    ("ssh", "*", "*"),
+]
+
+
+# These are environment variables present when running under various
+# CI systems.  For each variable, some CI systems that use the variable
+# are indicated.  The collection was chosen so that for each of a number
+# of popular systems, at least one of the environment variables is used.
+# This list is used to provide some indication of and lower bound for
+# CI traffic to PyPI.  Thus, it is okay if the list is not comprehensive.
+# For more background, see: https://github.com/pypa/pip/issues/5499
+CI_ENVIRONMENT_VARIABLES = (
+    # Azure Pipelines
+    "BUILD_BUILDID",
+    # Jenkins
+    "BUILD_ID",
+    # AppVeyor, CircleCI, Codeship, Gitlab CI, Shippable, Travis CI
+    "CI",
+    # Explicit environment variable.
+    "PIP_IS_CI",
+)
+
+
+def looks_like_ci() -> bool:
+    """
+    Return whether it looks like pip is running under CI.
+    """
+    # We don't use the method of checking for a tty (e.g. using isatty())
+    # because some CI systems mimic a tty (e.g. Travis CI).  Thus that
+    # method doesn't provide definitive information in either direction.
+    return any(name in os.environ for name in CI_ENVIRONMENT_VARIABLES)
+
+
+def user_agent() -> str:
+    """
+    Return a string representing the user agent.
+    """
+    data: Dict[str, Any] = {
+        "installer": {"name": "pip", "version": __version__},
+        "python": platform.python_version(),
+        "implementation": {
+            "name": platform.python_implementation(),
+        },
+    }
+
+    if data["implementation"]["name"] == "CPython":
+        data["implementation"]["version"] = platform.python_version()
+    elif data["implementation"]["name"] == "PyPy":
+        pypy_version_info = sys.pypy_version_info  # type: ignore
+        if pypy_version_info.releaselevel == "final":
+            pypy_version_info = pypy_version_info[:3]
+        data["implementation"]["version"] = ".".join(
+            [str(x) for x in pypy_version_info]
+        )
+    elif data["implementation"]["name"] == "Jython":
+        # Complete Guess
+        data["implementation"]["version"] = platform.python_version()
+    elif data["implementation"]["name"] == "IronPython":
+        # Complete Guess
+        data["implementation"]["version"] = platform.python_version()
+
+    if sys.platform.startswith("linux"):
+        from pip._vendor import distro
+
+        linux_distribution = distro.name(), distro.version(), distro.codename()
+        distro_infos: Dict[str, Any] = dict(
+            filter(
+                lambda x: x[1],
+                zip(["name", "version", "id"], linux_distribution),
+            )
+        )
+        libc = dict(
+            filter(
+                lambda x: x[1],
+                zip(["lib", "version"], libc_ver()),
+            )
+        )
+        if libc:
+            distro_infos["libc"] = libc
+        if distro_infos:
+            data["distro"] = distro_infos
+
+    if sys.platform.startswith("darwin") and platform.mac_ver()[0]:
+        data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]}
+
+    if platform.system():
+        data.setdefault("system", {})["name"] = platform.system()
+
+    if platform.release():
+        data.setdefault("system", {})["release"] = platform.release()
+
+    if platform.machine():
+        data["cpu"] = platform.machine()
+
+    if has_tls():
+        import _ssl as ssl
+
+        data["openssl_version"] = ssl.OPENSSL_VERSION
+
+    setuptools_dist = get_default_environment().get_distribution("setuptools")
+    if setuptools_dist is not None:
+        data["setuptools_version"] = str(setuptools_dist.version)
+
+    if shutil.which("rustc") is not None:
+        # If for any reason `rustc --version` fails, silently ignore it
+        try:
+            rustc_output = subprocess.check_output(
+                ["rustc", "--version"], stderr=subprocess.STDOUT, timeout=0.5
+            )
+        except Exception:
+            pass
+        else:
+            if rustc_output.startswith(b"rustc "):
+                # The format of `rustc --version` is:
+                # `b'rustc 1.52.1 (9bc8c42bb 2021-05-09)\n'`
+                # We extract just the middle (1.52.1) part
+                data["rustc_version"] = rustc_output.split(b" ")[1].decode()
+
+    # Use None rather than False so as not to give the impression that
+    # pip knows it is not being run under CI.  Rather, it is a null or
+    # inconclusive result.  Also, we include some value rather than no
+    # value to make it easier to know that the check has been run.
+    data["ci"] = True if looks_like_ci() else None
+
+    user_data = os.environ.get("PIP_USER_AGENT_USER_DATA")
+    if user_data is not None:
+        data["user_data"] = user_data
+
+    return "{data[installer][name]}/{data[installer][version]} {json}".format(
+        data=data,
+        json=json.dumps(data, separators=(",", ":"), sort_keys=True),
+    )
+
+
+class LocalFSAdapter(BaseAdapter):
+    def send(
+        self,
+        request: PreparedRequest,
+        stream: bool = False,
+        timeout: Optional[Union[float, Tuple[float, float]]] = None,
+        verify: Union[bool, str] = True,
+        cert: Optional[Union[str, Tuple[str, str]]] = None,
+        proxies: Optional[Mapping[str, str]] = None,
+    ) -> Response:
+        pathname = url_to_path(request.url)
+
+        resp = Response()
+        resp.status_code = 200
+        resp.url = request.url
+
+        try:
+            stats = os.stat(pathname)
+        except OSError as exc:
+            # format the exception raised as a io.BytesIO object,
+            # to return a better error message:
+            resp.status_code = 404
+            resp.reason = type(exc).__name__
+            resp.raw = io.BytesIO(f"{resp.reason}: {exc}".encode("utf8"))
+        else:
+            modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
+            content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
+            resp.headers = CaseInsensitiveDict(
+                {
+                    "Content-Type": content_type,
+                    "Content-Length": stats.st_size,
+                    "Last-Modified": modified,
+                }
+            )
+
+            resp.raw = open(pathname, "rb")
+            resp.close = resp.raw.close
+
+        return resp
+
+    def close(self) -> None:
+        pass
+
+
+class _SSLContextAdapterMixin:
+    """Mixin to add the ``ssl_context`` constructor argument to HTTP adapters.
+
+    The additional argument is forwarded directly to the pool manager. This allows us
+    to dynamically decide what SSL store to use at runtime, which is used to implement
+    the optional ``truststore`` backend.
+    """
+
+    def __init__(
+        self,
+        *,
+        ssl_context: Optional["SSLContext"] = None,
+        **kwargs: Any,
+    ) -> None:
+        self._ssl_context = ssl_context
+        super().__init__(**kwargs)
+
+    def init_poolmanager(
+        self,
+        connections: int,
+        maxsize: int,
+        block: bool = DEFAULT_POOLBLOCK,
+        **pool_kwargs: Any,
+    ) -> "PoolManager":
+        if self._ssl_context is not None:
+            pool_kwargs.setdefault("ssl_context", self._ssl_context)
+        return super().init_poolmanager(  # type: ignore[misc]
+            connections=connections,
+            maxsize=maxsize,
+            block=block,
+            **pool_kwargs,
+        )
+
+
+class HTTPAdapter(_SSLContextAdapterMixin, _BaseHTTPAdapter):
+    pass
+
+
+class CacheControlAdapter(_SSLContextAdapterMixin, _BaseCacheControlAdapter):
+    pass
+
+
+class InsecureHTTPAdapter(HTTPAdapter):
+    def cert_verify(
+        self,
+        conn: ConnectionPool,
+        url: str,
+        verify: Union[bool, str],
+        cert: Optional[Union[str, Tuple[str, str]]],
+    ) -> None:
+        super().cert_verify(conn=conn, url=url, verify=False, cert=cert)
+
+
+class InsecureCacheControlAdapter(CacheControlAdapter):
+    def cert_verify(
+        self,
+        conn: ConnectionPool,
+        url: str,
+        verify: Union[bool, str],
+        cert: Optional[Union[str, Tuple[str, str]]],
+    ) -> None:
+        super().cert_verify(conn=conn, url=url, verify=False, cert=cert)
+
+
+class PipSession(requests.Session):
+    timeout: Optional[int] = None
+
+    def __init__(
+        self,
+        *args: Any,
+        retries: int = 0,
+        cache: Optional[str] = None,
+        trusted_hosts: Sequence[str] = (),
+        index_urls: Optional[List[str]] = None,
+        ssl_context: Optional["SSLContext"] = None,
+        **kwargs: Any,
+    ) -> None:
+        """
+        :param trusted_hosts: Domains not to emit warnings for when not using
+            HTTPS.
+        """
+        super().__init__(*args, **kwargs)
+
+        # Namespace the attribute with "pip_" just in case to prevent
+        # possible conflicts with the base class.
+        self.pip_trusted_origins: List[Tuple[str, Optional[int]]] = []
+
+        # Attach our User Agent to the request
+        self.headers["User-Agent"] = user_agent()
+
+        # Attach our Authentication handler to the session
+        self.auth = MultiDomainBasicAuth(index_urls=index_urls)
+
+        # Create our urllib3.Retry instance which will allow us to customize
+        # how we handle retries.
+        retries = urllib3.Retry(
+            # Set the total number of retries that a particular request can
+            # have.
+            total=retries,
+            # A 503 error from PyPI typically means that the Fastly -> Origin
+            # connection got interrupted in some way. A 503 error in general
+            # is typically considered a transient error so we'll go ahead and
+            # retry it.
+            # A 500 may indicate transient error in Amazon S3
+            # A 502 may be a transient error from a CDN like CloudFlare or CloudFront
+            # A 520 or 527 - may indicate transient error in CloudFlare
+            status_forcelist=[500, 502, 503, 520, 527],
+            # Add a small amount of back off between failed requests in
+            # order to prevent hammering the service.
+            backoff_factor=0.25,
+        )  # type: ignore
+
+        # Our Insecure HTTPAdapter disables HTTPS validation. It does not
+        # support caching so we'll use it for all http:// URLs.
+        # If caching is disabled, we will also use it for
+        # https:// hosts that we've marked as ignoring
+        # TLS errors for (trusted-hosts).
+        insecure_adapter = InsecureHTTPAdapter(max_retries=retries)
+
+        # We want to _only_ cache responses on securely fetched origins or when
+        # the host is specified as trusted. We do this because
+        # we can't validate the response of an insecurely/untrusted fetched
+        # origin, and we don't want someone to be able to poison the cache and
+        # require manual eviction from the cache to fix it.
+        if cache:
+            secure_adapter = CacheControlAdapter(
+                cache=SafeFileCache(cache),
+                max_retries=retries,
+                ssl_context=ssl_context,
+            )
+            self._trusted_host_adapter = InsecureCacheControlAdapter(
+                cache=SafeFileCache(cache),
+                max_retries=retries,
+            )
+        else:
+            secure_adapter = HTTPAdapter(max_retries=retries, ssl_context=ssl_context)
+            self._trusted_host_adapter = insecure_adapter
+
+        self.mount("https://", secure_adapter)
+        self.mount("http://", insecure_adapter)
+
+        # Enable file:// urls
+        self.mount("file://", LocalFSAdapter())
+
+        for host in trusted_hosts:
+            self.add_trusted_host(host, suppress_logging=True)
+
+    def update_index_urls(self, new_index_urls: List[str]) -> None:
+        """
+        :param new_index_urls: New index urls to update the authentication
+            handler with.
+        """
+        self.auth.index_urls = new_index_urls
+
+    def add_trusted_host(
+        self, host: str, source: Optional[str] = None, suppress_logging: bool = False
+    ) -> None:
+        """
+        :param host: It is okay to provide a host that has previously been
+            added.
+        :param source: An optional source string, for logging where the host
+            string came from.
+        """
+        if not suppress_logging:
+            msg = f"adding trusted host: {host!r}"
+            if source is not None:
+                msg += f" (from {source})"
+            logger.info(msg)
+
+        parsed_host, parsed_port = parse_netloc(host)
+        if parsed_host is None:
+            raise ValueError(f"Trusted host URL must include a host part: {host!r}")
+        if (parsed_host, parsed_port) not in self.pip_trusted_origins:
+            self.pip_trusted_origins.append((parsed_host, parsed_port))
+
+        self.mount(
+            build_url_from_netloc(host, scheme="http") + "/", self._trusted_host_adapter
+        )
+        self.mount(build_url_from_netloc(host) + "/", self._trusted_host_adapter)
+        if not parsed_port:
+            self.mount(
+                build_url_from_netloc(host, scheme="http") + ":",
+                self._trusted_host_adapter,
+            )
+            # Mount wildcard ports for the same host.
+            self.mount(build_url_from_netloc(host) + ":", self._trusted_host_adapter)
+
+    def iter_secure_origins(self) -> Generator[SecureOrigin, None, None]:
+        yield from SECURE_ORIGINS
+        for host, port in self.pip_trusted_origins:
+            yield ("*", host, "*" if port is None else port)
+
+    def is_secure_origin(self, location: Link) -> bool:
+        # Determine if this url used a secure transport mechanism
+        parsed = urllib.parse.urlparse(str(location))
+        origin_protocol, origin_host, origin_port = (
+            parsed.scheme,
+            parsed.hostname,
+            parsed.port,
+        )
+
+        # The protocol to use to see if the protocol matches.
+        # Don't count the repository type as part of the protocol: in
+        # cases such as "git+ssh", only use "ssh". (I.e., Only verify against
+        # the last scheme.)
+        origin_protocol = origin_protocol.rsplit("+", 1)[-1]
+
+        # Determine if our origin is a secure origin by looking through our
+        # hardcoded list of secure origins, as well as any additional ones
+        # configured on this PackageFinder instance.
+        for secure_origin in self.iter_secure_origins():
+            secure_protocol, secure_host, secure_port = secure_origin
+            if origin_protocol != secure_protocol and secure_protocol != "*":
+                continue
+
+            try:
+                addr = ipaddress.ip_address(origin_host or "")
+                network = ipaddress.ip_network(secure_host)
+            except ValueError:
+                # We don't have both a valid address or a valid network, so
+                # we'll check this origin against hostnames.
+                if (
+                    origin_host
+                    and origin_host.lower() != secure_host.lower()
+                    and secure_host != "*"
+                ):
+                    continue
+            else:
+                # We have a valid address and network, so see if the address
+                # is contained within the network.
+                if addr not in network:
+                    continue
+
+            # Check to see if the port matches.
+            if (
+                origin_port != secure_port
+                and secure_port != "*"
+                and secure_port is not None
+            ):
+                continue
+
+            # If we've gotten here, then this origin matches the current
+            # secure origin and we should return True
+            return True
+
+        # If we've gotten to this point, then the origin isn't secure and we
+        # will not accept it as a valid location to search. We will however
+        # log a warning that we are ignoring it.
+        logger.warning(
+            "The repository located at %s is not a trusted or secure host and "
+            "is being ignored. If this repository is available via HTTPS we "
+            "recommend you use HTTPS instead, otherwise you may silence "
+            "this warning and allow it anyway with '--trusted-host %s'.",
+            origin_host,
+            origin_host,
+        )
+
+        return False
+
+    def request(self, method: str, url: str, *args: Any, **kwargs: Any) -> Response:
+        # Allow setting a default timeout on a session
+        kwargs.setdefault("timeout", self.timeout)
+        # Allow setting a default proxies on a session
+        kwargs.setdefault("proxies", self.proxies)
+
+        # Dispatch the actual request
+        return super().request(method, url, *args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/utils.py
new file mode 100644
index 00000000..134848ae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/utils.py
@@ -0,0 +1,96 @@
+from typing import Dict, Generator
+
+from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
+
+from pip._internal.exceptions import NetworkConnectionError
+
+# The following comments and HTTP headers were originally added by
+# Donald Stufft in git commit 22c562429a61bb77172039e480873fb239dd8c03.
+#
+# We use Accept-Encoding: identity here because requests defaults to
+# accepting compressed responses. This breaks in a variety of ways
+# depending on how the server is configured.
+# - Some servers will notice that the file isn't a compressible file
+#   and will leave the file alone and with an empty Content-Encoding
+# - Some servers will notice that the file is already compressed and
+#   will leave the file alone, adding a Content-Encoding: gzip header
+# - Some servers won't notice anything at all and will take a file
+#   that's already been compressed and compress it again, and set
+#   the Content-Encoding: gzip header
+# By setting this to request only the identity encoding we're hoping
+# to eliminate the third case.  Hopefully there does not exist a server
+# which when given a file will notice it is already compressed and that
+# you're not asking for a compressed file and will then decompress it
+# before sending because if that's the case I don't think it'll ever be
+# possible to make this work.
+HEADERS: Dict[str, str] = {"Accept-Encoding": "identity"}
+
+
+def raise_for_status(resp: Response) -> None:
+    http_error_msg = ""
+    if isinstance(resp.reason, bytes):
+        # We attempt to decode utf-8 first because some servers
+        # choose to localize their reason strings. If the string
+        # isn't utf-8, we fall back to iso-8859-1 for all other
+        # encodings.
+        try:
+            reason = resp.reason.decode("utf-8")
+        except UnicodeDecodeError:
+            reason = resp.reason.decode("iso-8859-1")
+    else:
+        reason = resp.reason
+
+    if 400 <= resp.status_code < 500:
+        http_error_msg = (
+            f"{resp.status_code} Client Error: {reason} for url: {resp.url}"
+        )
+
+    elif 500 <= resp.status_code < 600:
+        http_error_msg = (
+            f"{resp.status_code} Server Error: {reason} for url: {resp.url}"
+        )
+
+    if http_error_msg:
+        raise NetworkConnectionError(http_error_msg, response=resp)
+
+
+def response_chunks(
+    response: Response, chunk_size: int = CONTENT_CHUNK_SIZE
+) -> Generator[bytes, None, None]:
+    """Given a requests Response, provide the data chunks."""
+    try:
+        # Special case for urllib3.
+        for chunk in response.raw.stream(
+            chunk_size,
+            # We use decode_content=False here because we don't
+            # want urllib3 to mess with the raw bytes we get
+            # from the server. If we decompress inside of
+            # urllib3 then we cannot verify the checksum
+            # because the checksum will be of the compressed
+            # file. This breakage will only occur if the
+            # server adds a Content-Encoding header, which
+            # depends on how the server was configured:
+            # - Some servers will notice that the file isn't a
+            #   compressible file and will leave the file alone
+            #   and with an empty Content-Encoding
+            # - Some servers will notice that the file is
+            #   already compressed and will leave the file
+            #   alone and will add a Content-Encoding: gzip
+            #   header
+            # - Some servers won't notice anything at all and
+            #   will take a file that's already been compressed
+            #   and compress it again and set the
+            #   Content-Encoding: gzip header
+            #
+            # By setting this not to decode automatically we
+            # hope to eliminate problems with the second case.
+            decode_content=False,
+        ):
+            yield chunk
+    except AttributeError:
+        # Standard file-like object.
+        while True:
+            chunk = response.raw.read(chunk_size)
+            if not chunk:
+                break
+            yield chunk
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/xmlrpc.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/xmlrpc.py
new file mode 100644
index 00000000..22ec8d2f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/network/xmlrpc.py
@@ -0,0 +1,62 @@
+"""xmlrpclib.Transport implementation
+"""
+
+import logging
+import urllib.parse
+import xmlrpc.client
+from typing import TYPE_CHECKING, Tuple
+
+from pip._internal.exceptions import NetworkConnectionError
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import raise_for_status
+
+if TYPE_CHECKING:
+    from xmlrpc.client import _HostType, _Marshallable
+
+    from _typeshed import SizedBuffer
+
+logger = logging.getLogger(__name__)
+
+
+class PipXmlrpcTransport(xmlrpc.client.Transport):
+    """Provide a `xmlrpclib.Transport` implementation via a `PipSession`
+    object.
+    """
+
+    def __init__(
+        self, index_url: str, session: PipSession, use_datetime: bool = False
+    ) -> None:
+        super().__init__(use_datetime)
+        index_parts = urllib.parse.urlparse(index_url)
+        self._scheme = index_parts.scheme
+        self._session = session
+
+    def request(
+        self,
+        host: "_HostType",
+        handler: str,
+        request_body: "SizedBuffer",
+        verbose: bool = False,
+    ) -> Tuple["_Marshallable", ...]:
+        assert isinstance(host, str)
+        parts = (self._scheme, host, handler, None, None, None)
+        url = urllib.parse.urlunparse(parts)
+        try:
+            headers = {"Content-Type": "text/xml"}
+            response = self._session.post(
+                url,
+                data=request_body,
+                headers=headers,
+                stream=True,
+            )
+            raise_for_status(response)
+            self.verbose = verbose
+            return self.parse_response(response.raw)
+        except NetworkConnectionError as exc:
+            assert exc.response
+            logger.critical(
+                "HTTP error %s while getting %s",
+                exc.response.status_code,
+                url,
+            )
+            raise
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/build_tracker.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/build_tracker.py
new file mode 100644
index 00000000..37919322
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/build_tracker.py
@@ -0,0 +1,139 @@
+import contextlib
+import hashlib
+import logging
+import os
+from types import TracebackType
+from typing import Dict, Generator, Optional, Set, Type, Union
+
+from pip._internal.models.link import Link
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+@contextlib.contextmanager
+def update_env_context_manager(**changes: str) -> Generator[None, None, None]:
+    target = os.environ
+
+    # Save values from the target and change them.
+    non_existent_marker = object()
+    saved_values: Dict[str, Union[object, str]] = {}
+    for name, new_value in changes.items():
+        try:
+            saved_values[name] = target[name]
+        except KeyError:
+            saved_values[name] = non_existent_marker
+        target[name] = new_value
+
+    try:
+        yield
+    finally:
+        # Restore original values in the target.
+        for name, original_value in saved_values.items():
+            if original_value is non_existent_marker:
+                del target[name]
+            else:
+                assert isinstance(original_value, str)  # for mypy
+                target[name] = original_value
+
+
+@contextlib.contextmanager
+def get_build_tracker() -> Generator["BuildTracker", None, None]:
+    root = os.environ.get("PIP_BUILD_TRACKER")
+    with contextlib.ExitStack() as ctx:
+        if root is None:
+            root = ctx.enter_context(TempDirectory(kind="build-tracker")).path
+            ctx.enter_context(update_env_context_manager(PIP_BUILD_TRACKER=root))
+            logger.debug("Initialized build tracking at %s", root)
+
+        with BuildTracker(root) as tracker:
+            yield tracker
+
+
+class TrackerId(str):
+    """Uniquely identifying string provided to the build tracker."""
+
+
+class BuildTracker:
+    """Ensure that an sdist cannot request itself as a setup requirement.
+
+    When an sdist is prepared, it identifies its setup requirements in the
+    context of ``BuildTracker.track()``. If a requirement shows up recursively, this
+    raises an exception.
+
+    This stops fork bombs embedded in malicious packages."""
+
+    def __init__(self, root: str) -> None:
+        self._root = root
+        self._entries: Dict[TrackerId, InstallRequirement] = {}
+        logger.debug("Created build tracker: %s", self._root)
+
+    def __enter__(self) -> "BuildTracker":
+        logger.debug("Entered build tracker: %s", self._root)
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.cleanup()
+
+    def _entry_path(self, key: TrackerId) -> str:
+        hashed = hashlib.sha224(key.encode()).hexdigest()
+        return os.path.join(self._root, hashed)
+
+    def add(self, req: InstallRequirement, key: TrackerId) -> None:
+        """Add an InstallRequirement to build tracking."""
+
+        # Get the file to write information about this requirement.
+        entry_path = self._entry_path(key)
+
+        # Try reading from the file. If it exists and can be read from, a build
+        # is already in progress, so a LookupError is raised.
+        try:
+            with open(entry_path) as fp:
+                contents = fp.read()
+        except FileNotFoundError:
+            pass
+        else:
+            message = "{} is already being built: {}".format(req.link, contents)
+            raise LookupError(message)
+
+        # If we're here, req should really not be building already.
+        assert key not in self._entries
+
+        # Start tracking this requirement.
+        with open(entry_path, "w", encoding="utf-8") as fp:
+            fp.write(str(req))
+        self._entries[key] = req
+
+        logger.debug("Added %s to build tracker %r", req, self._root)
+
+    def remove(self, req: InstallRequirement, key: TrackerId) -> None:
+        """Remove an InstallRequirement from build tracking."""
+
+        # Delete the created file and the corresponding entry.
+        os.unlink(self._entry_path(key))
+        del self._entries[key]
+
+        logger.debug("Removed %s from build tracker %r", req, self._root)
+
+    def cleanup(self) -> None:
+        for key, req in list(self._entries.items()):
+            self.remove(req, key)
+
+        logger.debug("Removed build tracker: %r", self._root)
+
+    @contextlib.contextmanager
+    def track(self, req: InstallRequirement, key: str) -> Generator[None, None, None]:
+        """Ensure that `key` cannot install itself as a setup requirement.
+
+        :raises LookupError: If `key` was already provided in a parent invocation of
+                             the context introduced by this method."""
+        tracker_id = TrackerId(key)
+        self.add(req, tracker_id)
+        yield
+        self.remove(req, tracker_id)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata.py
new file mode 100644
index 00000000..c66ac354
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata.py
@@ -0,0 +1,39 @@
+"""Metadata generation logic for source distributions.
+"""
+
+import os
+
+from pip._vendor.pyproject_hooks import BuildBackendHookCaller
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.exceptions import (
+    InstallationSubprocessError,
+    MetadataGenerationFailed,
+)
+from pip._internal.utils.subprocess import runner_with_spinner_message
+from pip._internal.utils.temp_dir import TempDirectory
+
+
+def generate_metadata(
+    build_env: BuildEnvironment, backend: BuildBackendHookCaller, details: str
+) -> str:
+    """Generate metadata using mechanisms described in PEP 517.
+
+    Returns the generated metadata directory.
+    """
+    metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True)
+
+    metadata_dir = metadata_tmpdir.path
+
+    with build_env:
+        # Note that BuildBackendHookCaller implements a fallback for
+        # prepare_metadata_for_build_wheel, so we don't have to
+        # consider the possibility that this hook doesn't exist.
+        runner = runner_with_spinner_message("Preparing metadata (pyproject.toml)")
+        with backend.subprocess_runner(runner):
+            try:
+                distinfo_dir = backend.prepare_metadata_for_build_wheel(metadata_dir)
+            except InstallationSubprocessError as error:
+                raise MetadataGenerationFailed(package_details=details) from error
+
+    return os.path.join(metadata_dir, distinfo_dir)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata_editable.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata_editable.py
new file mode 100644
index 00000000..27c69f0d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata_editable.py
@@ -0,0 +1,41 @@
+"""Metadata generation logic for source distributions.
+"""
+
+import os
+
+from pip._vendor.pyproject_hooks import BuildBackendHookCaller
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.exceptions import (
+    InstallationSubprocessError,
+    MetadataGenerationFailed,
+)
+from pip._internal.utils.subprocess import runner_with_spinner_message
+from pip._internal.utils.temp_dir import TempDirectory
+
+
+def generate_editable_metadata(
+    build_env: BuildEnvironment, backend: BuildBackendHookCaller, details: str
+) -> str:
+    """Generate metadata using mechanisms described in PEP 660.
+
+    Returns the generated metadata directory.
+    """
+    metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True)
+
+    metadata_dir = metadata_tmpdir.path
+
+    with build_env:
+        # Note that BuildBackendHookCaller implements a fallback for
+        # prepare_metadata_for_build_wheel/editable, so we don't have to
+        # consider the possibility that this hook doesn't exist.
+        runner = runner_with_spinner_message(
+            "Preparing editable metadata (pyproject.toml)"
+        )
+        with backend.subprocess_runner(runner):
+            try:
+                distinfo_dir = backend.prepare_metadata_for_build_editable(metadata_dir)
+            except InstallationSubprocessError as error:
+                raise MetadataGenerationFailed(package_details=details) from error
+
+    return os.path.join(metadata_dir, distinfo_dir)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py
new file mode 100644
index 00000000..e60988d6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py
@@ -0,0 +1,74 @@
+"""Metadata generation logic for legacy source distributions.
+"""
+
+import logging
+import os
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.cli.spinners import open_spinner
+from pip._internal.exceptions import (
+    InstallationError,
+    InstallationSubprocessError,
+    MetadataGenerationFailed,
+)
+from pip._internal.utils.setuptools_build import make_setuptools_egg_info_args
+from pip._internal.utils.subprocess import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+def _find_egg_info(directory: str) -> str:
+    """Find an .egg-info subdirectory in `directory`."""
+    filenames = [f for f in os.listdir(directory) if f.endswith(".egg-info")]
+
+    if not filenames:
+        raise InstallationError(f"No .egg-info directory found in {directory}")
+
+    if len(filenames) > 1:
+        raise InstallationError(
+            "More than one .egg-info directory found in {}".format(directory)
+        )
+
+    return os.path.join(directory, filenames[0])
+
+
+def generate_metadata(
+    build_env: BuildEnvironment,
+    setup_py_path: str,
+    source_dir: str,
+    isolated: bool,
+    details: str,
+) -> str:
+    """Generate metadata using setup.py-based defacto mechanisms.
+
+    Returns the generated metadata directory.
+    """
+    logger.debug(
+        "Running setup.py (path:%s) egg_info for package %s",
+        setup_py_path,
+        details,
+    )
+
+    egg_info_dir = TempDirectory(kind="pip-egg-info", globally_managed=True).path
+
+    args = make_setuptools_egg_info_args(
+        setup_py_path,
+        egg_info_dir=egg_info_dir,
+        no_user_config=isolated,
+    )
+
+    with build_env:
+        with open_spinner("Preparing metadata (setup.py)") as spinner:
+            try:
+                call_subprocess(
+                    args,
+                    cwd=source_dir,
+                    command_desc="python setup.py egg_info",
+                    spinner=spinner,
+                )
+            except InstallationSubprocessError as error:
+                raise MetadataGenerationFailed(package_details=details) from error
+
+    # Return the .egg-info directory.
+    return _find_egg_info(egg_info_dir)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel.py
new file mode 100644
index 00000000..064811ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel.py
@@ -0,0 +1,37 @@
+import logging
+import os
+from typing import Optional
+
+from pip._vendor.pyproject_hooks import BuildBackendHookCaller
+
+from pip._internal.utils.subprocess import runner_with_spinner_message
+
+logger = logging.getLogger(__name__)
+
+
+def build_wheel_pep517(
+    name: str,
+    backend: BuildBackendHookCaller,
+    metadata_directory: str,
+    tempd: str,
+) -> Optional[str]:
+    """Build one InstallRequirement using the PEP 517 build process.
+
+    Returns path to wheel if successfully built. Otherwise, returns None.
+    """
+    assert metadata_directory is not None
+    try:
+        logger.debug("Destination directory: %s", tempd)
+
+        runner = runner_with_spinner_message(
+            f"Building wheel for {name} (pyproject.toml)"
+        )
+        with backend.subprocess_runner(runner):
+            wheel_name = backend.build_wheel(
+                tempd,
+                metadata_directory=metadata_directory,
+            )
+    except Exception:
+        logger.error("Failed building wheel for %s", name)
+        return None
+    return os.path.join(tempd, wheel_name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel_editable.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel_editable.py
new file mode 100644
index 00000000..719d69dd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel_editable.py
@@ -0,0 +1,46 @@
+import logging
+import os
+from typing import Optional
+
+from pip._vendor.pyproject_hooks import BuildBackendHookCaller, HookMissing
+
+from pip._internal.utils.subprocess import runner_with_spinner_message
+
+logger = logging.getLogger(__name__)
+
+
+def build_wheel_editable(
+    name: str,
+    backend: BuildBackendHookCaller,
+    metadata_directory: str,
+    tempd: str,
+) -> Optional[str]:
+    """Build one InstallRequirement using the PEP 660 build process.
+
+    Returns path to wheel if successfully built. Otherwise, returns None.
+    """
+    assert metadata_directory is not None
+    try:
+        logger.debug("Destination directory: %s", tempd)
+
+        runner = runner_with_spinner_message(
+            f"Building editable for {name} (pyproject.toml)"
+        )
+        with backend.subprocess_runner(runner):
+            try:
+                wheel_name = backend.build_editable(
+                    tempd,
+                    metadata_directory=metadata_directory,
+                )
+            except HookMissing as e:
+                logger.error(
+                    "Cannot build editable %s because the build "
+                    "backend does not have the %s hook",
+                    name,
+                    e,
+                )
+                return None
+    except Exception:
+        logger.error("Failed building editable for %s", name)
+        return None
+    return os.path.join(tempd, wheel_name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py
new file mode 100644
index 00000000..c5f0492c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py
@@ -0,0 +1,102 @@
+import logging
+import os.path
+from typing import List, Optional
+
+from pip._internal.cli.spinners import open_spinner
+from pip._internal.utils.setuptools_build import make_setuptools_bdist_wheel_args
+from pip._internal.utils.subprocess import call_subprocess, format_command_args
+
+logger = logging.getLogger(__name__)
+
+
+def format_command_result(
+    command_args: List[str],
+    command_output: str,
+) -> str:
+    """Format command information for logging."""
+    command_desc = format_command_args(command_args)
+    text = f"Command arguments: {command_desc}\n"
+
+    if not command_output:
+        text += "Command output: None"
+    elif logger.getEffectiveLevel() > logging.DEBUG:
+        text += "Command output: [use --verbose to show]"
+    else:
+        if not command_output.endswith("\n"):
+            command_output += "\n"
+        text += f"Command output:\n{command_output}"
+
+    return text
+
+
+def get_legacy_build_wheel_path(
+    names: List[str],
+    temp_dir: str,
+    name: str,
+    command_args: List[str],
+    command_output: str,
+) -> Optional[str]:
+    """Return the path to the wheel in the temporary build directory."""
+    # Sort for determinism.
+    names = sorted(names)
+    if not names:
+        msg = ("Legacy build of wheel for {!r} created no files.\n").format(name)
+        msg += format_command_result(command_args, command_output)
+        logger.warning(msg)
+        return None
+
+    if len(names) > 1:
+        msg = (
+            "Legacy build of wheel for {!r} created more than one file.\n"
+            "Filenames (choosing first): {}\n"
+        ).format(name, names)
+        msg += format_command_result(command_args, command_output)
+        logger.warning(msg)
+
+    return os.path.join(temp_dir, names[0])
+
+
+def build_wheel_legacy(
+    name: str,
+    setup_py_path: str,
+    source_dir: str,
+    global_options: List[str],
+    build_options: List[str],
+    tempd: str,
+) -> Optional[str]:
+    """Build one unpacked package using the "legacy" build process.
+
+    Returns path to wheel if successfully built. Otherwise, returns None.
+    """
+    wheel_args = make_setuptools_bdist_wheel_args(
+        setup_py_path,
+        global_options=global_options,
+        build_options=build_options,
+        destination_dir=tempd,
+    )
+
+    spin_message = f"Building wheel for {name} (setup.py)"
+    with open_spinner(spin_message) as spinner:
+        logger.debug("Destination directory: %s", tempd)
+
+        try:
+            output = call_subprocess(
+                wheel_args,
+                command_desc="python setup.py bdist_wheel",
+                cwd=source_dir,
+                spinner=spinner,
+            )
+        except Exception:
+            spinner.finish("error")
+            logger.error("Failed building wheel for %s", name)
+            return None
+
+        names = os.listdir(tempd)
+        wheel_path = get_legacy_build_wheel_path(
+            names=names,
+            temp_dir=tempd,
+            name=name,
+            command_args=wheel_args,
+            command_output=output,
+        )
+        return wheel_path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/check.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/check.py
new file mode 100644
index 00000000..90c6a58a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/check.py
@@ -0,0 +1,187 @@
+"""Validation of dependencies of packages
+"""
+
+import logging
+from typing import Callable, Dict, List, NamedTuple, Optional, Set, Tuple
+
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.specifiers import LegacySpecifier
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.packaging.version import LegacyVersion
+
+from pip._internal.distributions import make_distribution_for_install_requirement
+from pip._internal.metadata import get_default_environment
+from pip._internal.metadata.base import DistributionVersion
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.deprecation import deprecated
+
+logger = logging.getLogger(__name__)
+
+
+class PackageDetails(NamedTuple):
+    version: DistributionVersion
+    dependencies: List[Requirement]
+
+
+# Shorthands
+PackageSet = Dict[NormalizedName, PackageDetails]
+Missing = Tuple[NormalizedName, Requirement]
+Conflicting = Tuple[NormalizedName, DistributionVersion, Requirement]
+
+MissingDict = Dict[NormalizedName, List[Missing]]
+ConflictingDict = Dict[NormalizedName, List[Conflicting]]
+CheckResult = Tuple[MissingDict, ConflictingDict]
+ConflictDetails = Tuple[PackageSet, CheckResult]
+
+
+def create_package_set_from_installed() -> Tuple[PackageSet, bool]:
+    """Converts a list of distributions into a PackageSet."""
+    package_set = {}
+    problems = False
+    env = get_default_environment()
+    for dist in env.iter_installed_distributions(local_only=False, skip=()):
+        name = dist.canonical_name
+        try:
+            dependencies = list(dist.iter_dependencies())
+            package_set[name] = PackageDetails(dist.version, dependencies)
+        except (OSError, ValueError) as e:
+            # Don't crash on unreadable or broken metadata.
+            logger.warning("Error parsing requirements for %s: %s", name, e)
+            problems = True
+    return package_set, problems
+
+
+def check_package_set(
+    package_set: PackageSet, should_ignore: Optional[Callable[[str], bool]] = None
+) -> CheckResult:
+    """Check if a package set is consistent
+
+    If should_ignore is passed, it should be a callable that takes a
+    package name and returns a boolean.
+    """
+
+    warn_legacy_versions_and_specifiers(package_set)
+
+    missing = {}
+    conflicting = {}
+
+    for package_name, package_detail in package_set.items():
+        # Info about dependencies of package_name
+        missing_deps: Set[Missing] = set()
+        conflicting_deps: Set[Conflicting] = set()
+
+        if should_ignore and should_ignore(package_name):
+            continue
+
+        for req in package_detail.dependencies:
+            name = canonicalize_name(req.name)
+
+            # Check if it's missing
+            if name not in package_set:
+                missed = True
+                if req.marker is not None:
+                    missed = req.marker.evaluate({"extra": ""})
+                if missed:
+                    missing_deps.add((name, req))
+                continue
+
+            # Check if there's a conflict
+            version = package_set[name].version
+            if not req.specifier.contains(version, prereleases=True):
+                conflicting_deps.add((name, version, req))
+
+        if missing_deps:
+            missing[package_name] = sorted(missing_deps, key=str)
+        if conflicting_deps:
+            conflicting[package_name] = sorted(conflicting_deps, key=str)
+
+    return missing, conflicting
+
+
+def check_install_conflicts(to_install: List[InstallRequirement]) -> ConflictDetails:
+    """For checking if the dependency graph would be consistent after \
+    installing given requirements
+    """
+    # Start from the current state
+    package_set, _ = create_package_set_from_installed()
+    # Install packages
+    would_be_installed = _simulate_installation_of(to_install, package_set)
+
+    # Only warn about directly-dependent packages; create a whitelist of them
+    whitelist = _create_whitelist(would_be_installed, package_set)
+
+    return (
+        package_set,
+        check_package_set(
+            package_set, should_ignore=lambda name: name not in whitelist
+        ),
+    )
+
+
+def _simulate_installation_of(
+    to_install: List[InstallRequirement], package_set: PackageSet
+) -> Set[NormalizedName]:
+    """Computes the version of packages after installing to_install."""
+    # Keep track of packages that were installed
+    installed = set()
+
+    # Modify it as installing requirement_set would (assuming no errors)
+    for inst_req in to_install:
+        abstract_dist = make_distribution_for_install_requirement(inst_req)
+        dist = abstract_dist.get_metadata_distribution()
+        name = dist.canonical_name
+        package_set[name] = PackageDetails(dist.version, list(dist.iter_dependencies()))
+
+        installed.add(name)
+
+    return installed
+
+
+def _create_whitelist(
+    would_be_installed: Set[NormalizedName], package_set: PackageSet
+) -> Set[NormalizedName]:
+    packages_affected = set(would_be_installed)
+
+    for package_name in package_set:
+        if package_name in packages_affected:
+            continue
+
+        for req in package_set[package_name].dependencies:
+            if canonicalize_name(req.name) in packages_affected:
+                packages_affected.add(package_name)
+                break
+
+    return packages_affected
+
+
+def warn_legacy_versions_and_specifiers(package_set: PackageSet) -> None:
+    for project_name, package_details in package_set.items():
+        if isinstance(package_details.version, LegacyVersion):
+            deprecated(
+                reason=(
+                    f"{project_name} {package_details.version} "
+                    f"has a non-standard version number."
+                ),
+                replacement=(
+                    f"to upgrade to a newer version of {project_name} "
+                    f"or contact the author to suggest that they "
+                    f"release a version with a conforming version number"
+                ),
+                issue=12063,
+                gone_in="24.1",
+            )
+        for dep in package_details.dependencies:
+            if any(isinstance(spec, LegacySpecifier) for spec in dep.specifier):
+                deprecated(
+                    reason=(
+                        f"{project_name} {package_details.version} "
+                        f"has a non-standard dependency specifier {dep}."
+                    ),
+                    replacement=(
+                        f"to upgrade to a newer version of {project_name} "
+                        f"or contact the author to suggest that they "
+                        f"release a version with a conforming dependency specifiers"
+                    ),
+                    issue=12063,
+                    gone_in="24.1",
+                )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/freeze.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/freeze.py
new file mode 100644
index 00000000..35445684
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/freeze.py
@@ -0,0 +1,255 @@
+import collections
+import logging
+import os
+from typing import Container, Dict, Generator, Iterable, List, NamedTuple, Optional, Set
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.packaging.version import Version
+
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.metadata import BaseDistribution, get_environment
+from pip._internal.req.constructors import (
+    install_req_from_editable,
+    install_req_from_line,
+)
+from pip._internal.req.req_file import COMMENT_RE
+from pip._internal.utils.direct_url_helpers import direct_url_as_pep440_direct_reference
+
+logger = logging.getLogger(__name__)
+
+
+class _EditableInfo(NamedTuple):
+    requirement: str
+    comments: List[str]
+
+
+def freeze(
+    requirement: Optional[List[str]] = None,
+    local_only: bool = False,
+    user_only: bool = False,
+    paths: Optional[List[str]] = None,
+    isolated: bool = False,
+    exclude_editable: bool = False,
+    skip: Container[str] = (),
+) -> Generator[str, None, None]:
+    installations: Dict[str, FrozenRequirement] = {}
+
+    dists = get_environment(paths).iter_installed_distributions(
+        local_only=local_only,
+        skip=(),
+        user_only=user_only,
+    )
+    for dist in dists:
+        req = FrozenRequirement.from_dist(dist)
+        if exclude_editable and req.editable:
+            continue
+        installations[req.canonical_name] = req
+
+    if requirement:
+        # the options that don't get turned into an InstallRequirement
+        # should only be emitted once, even if the same option is in multiple
+        # requirements files, so we need to keep track of what has been emitted
+        # so that we don't emit it again if it's seen again
+        emitted_options: Set[str] = set()
+        # keep track of which files a requirement is in so that we can
+        # give an accurate warning if a requirement appears multiple times.
+        req_files: Dict[str, List[str]] = collections.defaultdict(list)
+        for req_file_path in requirement:
+            with open(req_file_path) as req_file:
+                for line in req_file:
+                    if (
+                        not line.strip()
+                        or line.strip().startswith("#")
+                        or line.startswith(
+                            (
+                                "-r",
+                                "--requirement",
+                                "-f",
+                                "--find-links",
+                                "-i",
+                                "--index-url",
+                                "--pre",
+                                "--trusted-host",
+                                "--process-dependency-links",
+                                "--extra-index-url",
+                                "--use-feature",
+                            )
+                        )
+                    ):
+                        line = line.rstrip()
+                        if line not in emitted_options:
+                            emitted_options.add(line)
+                            yield line
+                        continue
+
+                    if line.startswith("-e") or line.startswith("--editable"):
+                        if line.startswith("-e"):
+                            line = line[2:].strip()
+                        else:
+                            line = line[len("--editable") :].strip().lstrip("=")
+                        line_req = install_req_from_editable(
+                            line,
+                            isolated=isolated,
+                        )
+                    else:
+                        line_req = install_req_from_line(
+                            COMMENT_RE.sub("", line).strip(),
+                            isolated=isolated,
+                        )
+
+                    if not line_req.name:
+                        logger.info(
+                            "Skipping line in requirement file [%s] because "
+                            "it's not clear what it would install: %s",
+                            req_file_path,
+                            line.strip(),
+                        )
+                        logger.info(
+                            "  (add #egg=PackageName to the URL to avoid"
+                            " this warning)"
+                        )
+                    else:
+                        line_req_canonical_name = canonicalize_name(line_req.name)
+                        if line_req_canonical_name not in installations:
+                            # either it's not installed, or it is installed
+                            # but has been processed already
+                            if not req_files[line_req.name]:
+                                logger.warning(
+                                    "Requirement file [%s] contains %s, but "
+                                    "package %r is not installed",
+                                    req_file_path,
+                                    COMMENT_RE.sub("", line).strip(),
+                                    line_req.name,
+                                )
+                            else:
+                                req_files[line_req.name].append(req_file_path)
+                        else:
+                            yield str(installations[line_req_canonical_name]).rstrip()
+                            del installations[line_req_canonical_name]
+                            req_files[line_req.name].append(req_file_path)
+
+        # Warn about requirements that were included multiple times (in a
+        # single requirements file or in different requirements files).
+        for name, files in req_files.items():
+            if len(files) > 1:
+                logger.warning(
+                    "Requirement %s included multiple times [%s]",
+                    name,
+                    ", ".join(sorted(set(files))),
+                )
+
+        yield ("## The following requirements were added by pip freeze:")
+    for installation in sorted(installations.values(), key=lambda x: x.name.lower()):
+        if installation.canonical_name not in skip:
+            yield str(installation).rstrip()
+
+
+def _format_as_name_version(dist: BaseDistribution) -> str:
+    dist_version = dist.version
+    if isinstance(dist_version, Version):
+        return f"{dist.raw_name}=={dist_version}"
+    return f"{dist.raw_name}==={dist_version}"
+
+
+def _get_editable_info(dist: BaseDistribution) -> _EditableInfo:
+    """
+    Compute and return values (req, comments) for use in
+    FrozenRequirement.from_dist().
+    """
+    editable_project_location = dist.editable_project_location
+    assert editable_project_location
+    location = os.path.normcase(os.path.abspath(editable_project_location))
+
+    from pip._internal.vcs import RemoteNotFoundError, RemoteNotValidError, vcs
+
+    vcs_backend = vcs.get_backend_for_dir(location)
+
+    if vcs_backend is None:
+        display = _format_as_name_version(dist)
+        logger.debug(
+            'No VCS found for editable requirement "%s" in: %r',
+            display,
+            location,
+        )
+        return _EditableInfo(
+            requirement=location,
+            comments=[f"# Editable install with no version control ({display})"],
+        )
+
+    vcs_name = type(vcs_backend).__name__
+
+    try:
+        req = vcs_backend.get_src_requirement(location, dist.raw_name)
+    except RemoteNotFoundError:
+        display = _format_as_name_version(dist)
+        return _EditableInfo(
+            requirement=location,
+            comments=[f"# Editable {vcs_name} install with no remote ({display})"],
+        )
+    except RemoteNotValidError as ex:
+        display = _format_as_name_version(dist)
+        return _EditableInfo(
+            requirement=location,
+            comments=[
+                f"# Editable {vcs_name} install ({display}) with either a deleted "
+                f"local remote or invalid URI:",
+                f"# '{ex.url}'",
+            ],
+        )
+    except BadCommand:
+        logger.warning(
+            "cannot determine version of editable source in %s "
+            "(%s command not found in path)",
+            location,
+            vcs_backend.name,
+        )
+        return _EditableInfo(requirement=location, comments=[])
+    except InstallationError as exc:
+        logger.warning("Error when trying to get requirement for VCS system %s", exc)
+    else:
+        return _EditableInfo(requirement=req, comments=[])
+
+    logger.warning("Could not determine repository location of %s", location)
+
+    return _EditableInfo(
+        requirement=location,
+        comments=["## !! Could not determine repository location"],
+    )
+
+
+class FrozenRequirement:
+    def __init__(
+        self,
+        name: str,
+        req: str,
+        editable: bool,
+        comments: Iterable[str] = (),
+    ) -> None:
+        self.name = name
+        self.canonical_name = canonicalize_name(name)
+        self.req = req
+        self.editable = editable
+        self.comments = comments
+
+    @classmethod
+    def from_dist(cls, dist: BaseDistribution) -> "FrozenRequirement":
+        editable = dist.editable
+        if editable:
+            req, comments = _get_editable_info(dist)
+        else:
+            comments = []
+            direct_url = dist.direct_url
+            if direct_url:
+                # if PEP 610 metadata is present, use it
+                req = direct_url_as_pep440_direct_reference(direct_url, dist.raw_name)
+            else:
+                # name==version requirement
+                req = _format_as_name_version(dist)
+
+        return cls(dist.raw_name, req, editable, comments=comments)
+
+    def __str__(self) -> str:
+        req = self.req
+        if self.editable:
+            req = f"-e {req}"
+        return "\n".join(list(self.comments) + [str(req)]) + "\n"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/__init__.py
new file mode 100644
index 00000000..24d6a5dd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/__init__.py
@@ -0,0 +1,2 @@
+"""For modules related to installing packages.
+"""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/__pycache__/wheel.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/__pycache__/wheel.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py
new file mode 100644
index 00000000..bebe24e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py
@@ -0,0 +1,46 @@
+"""Legacy editable installation process, i.e. `setup.py develop`.
+"""
+import logging
+from typing import Optional, Sequence
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.setuptools_build import make_setuptools_develop_args
+from pip._internal.utils.subprocess import call_subprocess
+
+logger = logging.getLogger(__name__)
+
+
+def install_editable(
+    *,
+    global_options: Sequence[str],
+    prefix: Optional[str],
+    home: Optional[str],
+    use_user_site: bool,
+    name: str,
+    setup_py_path: str,
+    isolated: bool,
+    build_env: BuildEnvironment,
+    unpacked_source_directory: str,
+) -> None:
+    """Install a package in editable mode. Most arguments are pass-through
+    to setuptools.
+    """
+    logger.info("Running setup.py develop for %s", name)
+
+    args = make_setuptools_develop_args(
+        setup_py_path,
+        global_options=global_options,
+        no_user_config=isolated,
+        prefix=prefix,
+        home=home,
+        use_user_site=use_user_site,
+    )
+
+    with indent_log():
+        with build_env:
+            call_subprocess(
+                args,
+                command_desc="python setup.py develop",
+                cwd=unpacked_source_directory,
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/wheel.py
new file mode 100644
index 00000000..f67180c9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/install/wheel.py
@@ -0,0 +1,734 @@
+"""Support for installing and building the "wheel" binary package format.
+"""
+
+import collections
+import compileall
+import contextlib
+import csv
+import importlib
+import logging
+import os.path
+import re
+import shutil
+import sys
+import warnings
+from base64 import urlsafe_b64encode
+from email.message import Message
+from itertools import chain, filterfalse, starmap
+from typing import (
+    IO,
+    TYPE_CHECKING,
+    Any,
+    BinaryIO,
+    Callable,
+    Dict,
+    Generator,
+    Iterable,
+    Iterator,
+    List,
+    NewType,
+    Optional,
+    Sequence,
+    Set,
+    Tuple,
+    Union,
+    cast,
+)
+from zipfile import ZipFile, ZipInfo
+
+from pip._vendor.distlib.scripts import ScriptMaker
+from pip._vendor.distlib.util import get_export_entry
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.locations import get_major_minor_version
+from pip._internal.metadata import (
+    BaseDistribution,
+    FilesystemWheel,
+    get_wheel_distribution,
+)
+from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, DirectUrl
+from pip._internal.models.scheme import SCHEME_KEYS, Scheme
+from pip._internal.utils.filesystem import adjacent_tmp_file, replace
+from pip._internal.utils.misc import captured_stdout, ensure_dir, hash_file, partition
+from pip._internal.utils.unpacking import (
+    current_umask,
+    is_within_directory,
+    set_extracted_file_to_default_mode_plus_executable,
+    zip_item_is_executable,
+)
+from pip._internal.utils.wheel import parse_wheel
+
+if TYPE_CHECKING:
+    from typing import Protocol
+
+    class File(Protocol):
+        src_record_path: "RecordPath"
+        dest_path: str
+        changed: bool
+
+        def save(self) -> None:
+            pass
+
+
+logger = logging.getLogger(__name__)
+
+RecordPath = NewType("RecordPath", str)
+InstalledCSVRow = Tuple[RecordPath, str, Union[int, str]]
+
+
+def rehash(path: str, blocksize: int = 1 << 20) -> Tuple[str, str]:
+    """Return (encoded_digest, length) for path using hashlib.sha256()"""
+    h, length = hash_file(path, blocksize)
+    digest = "sha256=" + urlsafe_b64encode(h.digest()).decode("latin1").rstrip("=")
+    return (digest, str(length))
+
+
+def csv_io_kwargs(mode: str) -> Dict[str, Any]:
+    """Return keyword arguments to properly open a CSV file
+    in the given mode.
+    """
+    return {"mode": mode, "newline": "", "encoding": "utf-8"}
+
+
+def fix_script(path: str) -> bool:
+    """Replace #!python with #!/path/to/python
+    Return True if file was changed.
+    """
+    # XXX RECORD hashes will need to be updated
+    assert os.path.isfile(path)
+
+    with open(path, "rb") as script:
+        firstline = script.readline()
+        if not firstline.startswith(b"#!python"):
+            return False
+        exename = sys.executable.encode(sys.getfilesystemencoding())
+        firstline = b"#!" + exename + os.linesep.encode("ascii")
+        rest = script.read()
+    with open(path, "wb") as script:
+        script.write(firstline)
+        script.write(rest)
+    return True
+
+
+def wheel_root_is_purelib(metadata: Message) -> bool:
+    return metadata.get("Root-Is-Purelib", "").lower() == "true"
+
+
+def get_entrypoints(dist: BaseDistribution) -> Tuple[Dict[str, str], Dict[str, str]]:
+    console_scripts = {}
+    gui_scripts = {}
+    for entry_point in dist.iter_entry_points():
+        if entry_point.group == "console_scripts":
+            console_scripts[entry_point.name] = entry_point.value
+        elif entry_point.group == "gui_scripts":
+            gui_scripts[entry_point.name] = entry_point.value
+    return console_scripts, gui_scripts
+
+
+def message_about_scripts_not_on_PATH(scripts: Sequence[str]) -> Optional[str]:
+    """Determine if any scripts are not on PATH and format a warning.
+    Returns a warning message if one or more scripts are not on PATH,
+    otherwise None.
+    """
+    if not scripts:
+        return None
+
+    # Group scripts by the path they were installed in
+    grouped_by_dir: Dict[str, Set[str]] = collections.defaultdict(set)
+    for destfile in scripts:
+        parent_dir = os.path.dirname(destfile)
+        script_name = os.path.basename(destfile)
+        grouped_by_dir[parent_dir].add(script_name)
+
+    # We don't want to warn for directories that are on PATH.
+    not_warn_dirs = [
+        os.path.normcase(os.path.normpath(i)).rstrip(os.sep)
+        for i in os.environ.get("PATH", "").split(os.pathsep)
+    ]
+    # If an executable sits with sys.executable, we don't warn for it.
+    #     This covers the case of venv invocations without activating the venv.
+    not_warn_dirs.append(
+        os.path.normcase(os.path.normpath(os.path.dirname(sys.executable)))
+    )
+    warn_for: Dict[str, Set[str]] = {
+        parent_dir: scripts
+        for parent_dir, scripts in grouped_by_dir.items()
+        if os.path.normcase(os.path.normpath(parent_dir)) not in not_warn_dirs
+    }
+    if not warn_for:
+        return None
+
+    # Format a message
+    msg_lines = []
+    for parent_dir, dir_scripts in warn_for.items():
+        sorted_scripts: List[str] = sorted(dir_scripts)
+        if len(sorted_scripts) == 1:
+            start_text = f"script {sorted_scripts[0]} is"
+        else:
+            start_text = "scripts {} are".format(
+                ", ".join(sorted_scripts[:-1]) + " and " + sorted_scripts[-1]
+            )
+
+        msg_lines.append(
+            f"The {start_text} installed in '{parent_dir}' which is not on PATH."
+        )
+
+    last_line_fmt = (
+        "Consider adding {} to PATH or, if you prefer "
+        "to suppress this warning, use --no-warn-script-location."
+    )
+    if len(msg_lines) == 1:
+        msg_lines.append(last_line_fmt.format("this directory"))
+    else:
+        msg_lines.append(last_line_fmt.format("these directories"))
+
+    # Add a note if any directory starts with ~
+    warn_for_tilde = any(
+        i[0] == "~" for i in os.environ.get("PATH", "").split(os.pathsep) if i
+    )
+    if warn_for_tilde:
+        tilde_warning_msg = (
+            "NOTE: The current PATH contains path(s) starting with `~`, "
+            "which may not be expanded by all applications."
+        )
+        msg_lines.append(tilde_warning_msg)
+
+    # Returns the formatted multiline message
+    return "\n".join(msg_lines)
+
+
+def _normalized_outrows(
+    outrows: Iterable[InstalledCSVRow],
+) -> List[Tuple[str, str, str]]:
+    """Normalize the given rows of a RECORD file.
+
+    Items in each row are converted into str. Rows are then sorted to make
+    the value more predictable for tests.
+
+    Each row is a 3-tuple (path, hash, size) and corresponds to a record of
+    a RECORD file (see PEP 376 and PEP 427 for details).  For the rows
+    passed to this function, the size can be an integer as an int or string,
+    or the empty string.
+    """
+    # Normally, there should only be one row per path, in which case the
+    # second and third elements don't come into play when sorting.
+    # However, in cases in the wild where a path might happen to occur twice,
+    # we don't want the sort operation to trigger an error (but still want
+    # determinism).  Since the third element can be an int or string, we
+    # coerce each element to a string to avoid a TypeError in this case.
+    # For additional background, see--
+    # https://github.com/pypa/pip/issues/5868
+    return sorted(
+        (record_path, hash_, str(size)) for record_path, hash_, size in outrows
+    )
+
+
+def _record_to_fs_path(record_path: RecordPath, lib_dir: str) -> str:
+    return os.path.join(lib_dir, record_path)
+
+
+def _fs_to_record_path(path: str, lib_dir: str) -> RecordPath:
+    # On Windows, do not handle relative paths if they belong to different
+    # logical disks
+    if os.path.splitdrive(path)[0].lower() == os.path.splitdrive(lib_dir)[0].lower():
+        path = os.path.relpath(path, lib_dir)
+
+    path = path.replace(os.path.sep, "/")
+    return cast("RecordPath", path)
+
+
+def get_csv_rows_for_installed(
+    old_csv_rows: List[List[str]],
+    installed: Dict[RecordPath, RecordPath],
+    changed: Set[RecordPath],
+    generated: List[str],
+    lib_dir: str,
+) -> List[InstalledCSVRow]:
+    """
+    :param installed: A map from archive RECORD path to installation RECORD
+        path.
+    """
+    installed_rows: List[InstalledCSVRow] = []
+    for row in old_csv_rows:
+        if len(row) > 3:
+            logger.warning("RECORD line has more than three elements: %s", row)
+        old_record_path = cast("RecordPath", row[0])
+        new_record_path = installed.pop(old_record_path, old_record_path)
+        if new_record_path in changed:
+            digest, length = rehash(_record_to_fs_path(new_record_path, lib_dir))
+        else:
+            digest = row[1] if len(row) > 1 else ""
+            length = row[2] if len(row) > 2 else ""
+        installed_rows.append((new_record_path, digest, length))
+    for f in generated:
+        path = _fs_to_record_path(f, lib_dir)
+        digest, length = rehash(f)
+        installed_rows.append((path, digest, length))
+    return installed_rows + [
+        (installed_record_path, "", "") for installed_record_path in installed.values()
+    ]
+
+
+def get_console_script_specs(console: Dict[str, str]) -> List[str]:
+    """
+    Given the mapping from entrypoint name to callable, return the relevant
+    console script specs.
+    """
+    # Don't mutate caller's version
+    console = console.copy()
+
+    scripts_to_generate = []
+
+    # Special case pip and setuptools to generate versioned wrappers
+    #
+    # The issue is that some projects (specifically, pip and setuptools) use
+    # code in setup.py to create "versioned" entry points - pip2.7 on Python
+    # 2.7, pip3.3 on Python 3.3, etc. But these entry points are baked into
+    # the wheel metadata at build time, and so if the wheel is installed with
+    # a *different* version of Python the entry points will be wrong. The
+    # correct fix for this is to enhance the metadata to be able to describe
+    # such versioned entry points, but that won't happen till Metadata 2.0 is
+    # available.
+    # In the meantime, projects using versioned entry points will either have
+    # incorrect versioned entry points, or they will not be able to distribute
+    # "universal" wheels (i.e., they will need a wheel per Python version).
+    #
+    # Because setuptools and pip are bundled with _ensurepip and virtualenv,
+    # we need to use universal wheels. So, as a stopgap until Metadata 2.0, we
+    # override the versioned entry points in the wheel and generate the
+    # correct ones. This code is purely a short-term measure until Metadata 2.0
+    # is available.
+    #
+    # To add the level of hack in this section of code, in order to support
+    # ensurepip this code will look for an ``ENSUREPIP_OPTIONS`` environment
+    # variable which will control which version scripts get installed.
+    #
+    # ENSUREPIP_OPTIONS=altinstall
+    #   - Only pipX.Y and easy_install-X.Y will be generated and installed
+    # ENSUREPIP_OPTIONS=install
+    #   - pipX.Y, pipX, easy_install-X.Y will be generated and installed. Note
+    #     that this option is technically if ENSUREPIP_OPTIONS is set and is
+    #     not altinstall
+    # DEFAULT
+    #   - The default behavior is to install pip, pipX, pipX.Y, easy_install
+    #     and easy_install-X.Y.
+    pip_script = console.pop("pip", None)
+    if pip_script:
+        if "ENSUREPIP_OPTIONS" not in os.environ:
+            scripts_to_generate.append("pip = " + pip_script)
+
+        if os.environ.get("ENSUREPIP_OPTIONS", "") != "altinstall":
+            scripts_to_generate.append(f"pip{sys.version_info[0]} = {pip_script}")
+
+        scripts_to_generate.append(f"pip{get_major_minor_version()} = {pip_script}")
+        # Delete any other versioned pip entry points
+        pip_ep = [k for k in console if re.match(r"pip(\d+(\.\d+)?)?$", k)]
+        for k in pip_ep:
+            del console[k]
+    easy_install_script = console.pop("easy_install", None)
+    if easy_install_script:
+        if "ENSUREPIP_OPTIONS" not in os.environ:
+            scripts_to_generate.append("easy_install = " + easy_install_script)
+
+        scripts_to_generate.append(
+            f"easy_install-{get_major_minor_version()} = {easy_install_script}"
+        )
+        # Delete any other versioned easy_install entry points
+        easy_install_ep = [
+            k for k in console if re.match(r"easy_install(-\d+\.\d+)?$", k)
+        ]
+        for k in easy_install_ep:
+            del console[k]
+
+    # Generate the console entry points specified in the wheel
+    scripts_to_generate.extend(starmap("{} = {}".format, console.items()))
+
+    return scripts_to_generate
+
+
+class ZipBackedFile:
+    def __init__(
+        self, src_record_path: RecordPath, dest_path: str, zip_file: ZipFile
+    ) -> None:
+        self.src_record_path = src_record_path
+        self.dest_path = dest_path
+        self._zip_file = zip_file
+        self.changed = False
+
+    def _getinfo(self) -> ZipInfo:
+        return self._zip_file.getinfo(self.src_record_path)
+
+    def save(self) -> None:
+        # directory creation is lazy and after file filtering
+        # to ensure we don't install empty dirs; empty dirs can't be
+        # uninstalled.
+        parent_dir = os.path.dirname(self.dest_path)
+        ensure_dir(parent_dir)
+
+        # When we open the output file below, any existing file is truncated
+        # before we start writing the new contents. This is fine in most
+        # cases, but can cause a segfault if pip has loaded a shared
+        # object (e.g. from pyopenssl through its vendored urllib3)
+        # Since the shared object is mmap'd an attempt to call a
+        # symbol in it will then cause a segfault. Unlinking the file
+        # allows writing of new contents while allowing the process to
+        # continue to use the old copy.
+        if os.path.exists(self.dest_path):
+            os.unlink(self.dest_path)
+
+        zipinfo = self._getinfo()
+
+        with self._zip_file.open(zipinfo) as f:
+            with open(self.dest_path, "wb") as dest:
+                shutil.copyfileobj(f, dest)
+
+        if zip_item_is_executable(zipinfo):
+            set_extracted_file_to_default_mode_plus_executable(self.dest_path)
+
+
+class ScriptFile:
+    def __init__(self, file: "File") -> None:
+        self._file = file
+        self.src_record_path = self._file.src_record_path
+        self.dest_path = self._file.dest_path
+        self.changed = False
+
+    def save(self) -> None:
+        self._file.save()
+        self.changed = fix_script(self.dest_path)
+
+
+class MissingCallableSuffix(InstallationError):
+    def __init__(self, entry_point: str) -> None:
+        super().__init__(
+            f"Invalid script entry point: {entry_point} - A callable "
+            "suffix is required. Cf https://packaging.python.org/"
+            "specifications/entry-points/#use-for-scripts for more "
+            "information."
+        )
+
+
+def _raise_for_invalid_entrypoint(specification: str) -> None:
+    entry = get_export_entry(specification)
+    if entry is not None and entry.suffix is None:
+        raise MissingCallableSuffix(str(entry))
+
+
+class PipScriptMaker(ScriptMaker):
+    def make(
+        self, specification: str, options: Optional[Dict[str, Any]] = None
+    ) -> List[str]:
+        _raise_for_invalid_entrypoint(specification)
+        return super().make(specification, options)
+
+
+def _install_wheel(
+    name: str,
+    wheel_zip: ZipFile,
+    wheel_path: str,
+    scheme: Scheme,
+    pycompile: bool = True,
+    warn_script_location: bool = True,
+    direct_url: Optional[DirectUrl] = None,
+    requested: bool = False,
+) -> None:
+    """Install a wheel.
+
+    :param name: Name of the project to install
+    :param wheel_zip: open ZipFile for wheel being installed
+    :param scheme: Distutils scheme dictating the install directories
+    :param req_description: String used in place of the requirement, for
+        logging
+    :param pycompile: Whether to byte-compile installed Python files
+    :param warn_script_location: Whether to check that scripts are installed
+        into a directory on PATH
+    :raises UnsupportedWheel:
+        * when the directory holds an unpacked wheel with incompatible
+          Wheel-Version
+        * when the .dist-info dir does not match the wheel
+    """
+    info_dir, metadata = parse_wheel(wheel_zip, name)
+
+    if wheel_root_is_purelib(metadata):
+        lib_dir = scheme.purelib
+    else:
+        lib_dir = scheme.platlib
+
+    # Record details of the files moved
+    #   installed = files copied from the wheel to the destination
+    #   changed = files changed while installing (scripts #! line typically)
+    #   generated = files newly generated during the install (script wrappers)
+    installed: Dict[RecordPath, RecordPath] = {}
+    changed: Set[RecordPath] = set()
+    generated: List[str] = []
+
+    def record_installed(
+        srcfile: RecordPath, destfile: str, modified: bool = False
+    ) -> None:
+        """Map archive RECORD paths to installation RECORD paths."""
+        newpath = _fs_to_record_path(destfile, lib_dir)
+        installed[srcfile] = newpath
+        if modified:
+            changed.add(newpath)
+
+    def is_dir_path(path: RecordPath) -> bool:
+        return path.endswith("/")
+
+    def assert_no_path_traversal(dest_dir_path: str, target_path: str) -> None:
+        if not is_within_directory(dest_dir_path, target_path):
+            message = (
+                "The wheel {!r} has a file {!r} trying to install"
+                " outside the target directory {!r}"
+            )
+            raise InstallationError(
+                message.format(wheel_path, target_path, dest_dir_path)
+            )
+
+    def root_scheme_file_maker(
+        zip_file: ZipFile, dest: str
+    ) -> Callable[[RecordPath], "File"]:
+        def make_root_scheme_file(record_path: RecordPath) -> "File":
+            normed_path = os.path.normpath(record_path)
+            dest_path = os.path.join(dest, normed_path)
+            assert_no_path_traversal(dest, dest_path)
+            return ZipBackedFile(record_path, dest_path, zip_file)
+
+        return make_root_scheme_file
+
+    def data_scheme_file_maker(
+        zip_file: ZipFile, scheme: Scheme
+    ) -> Callable[[RecordPath], "File"]:
+        scheme_paths = {key: getattr(scheme, key) for key in SCHEME_KEYS}
+
+        def make_data_scheme_file(record_path: RecordPath) -> "File":
+            normed_path = os.path.normpath(record_path)
+            try:
+                _, scheme_key, dest_subpath = normed_path.split(os.path.sep, 2)
+            except ValueError:
+                message = (
+                    "Unexpected file in {}: {!r}. .data directory contents"
+                    " should be named like: '<scheme key>/<path>'."
+                ).format(wheel_path, record_path)
+                raise InstallationError(message)
+
+            try:
+                scheme_path = scheme_paths[scheme_key]
+            except KeyError:
+                valid_scheme_keys = ", ".join(sorted(scheme_paths))
+                message = (
+                    "Unknown scheme key used in {}: {} (for file {!r}). .data"
+                    " directory contents should be in subdirectories named"
+                    " with a valid scheme key ({})"
+                ).format(wheel_path, scheme_key, record_path, valid_scheme_keys)
+                raise InstallationError(message)
+
+            dest_path = os.path.join(scheme_path, dest_subpath)
+            assert_no_path_traversal(scheme_path, dest_path)
+            return ZipBackedFile(record_path, dest_path, zip_file)
+
+        return make_data_scheme_file
+
+    def is_data_scheme_path(path: RecordPath) -> bool:
+        return path.split("/", 1)[0].endswith(".data")
+
+    paths = cast(List[RecordPath], wheel_zip.namelist())
+    file_paths = filterfalse(is_dir_path, paths)
+    root_scheme_paths, data_scheme_paths = partition(is_data_scheme_path, file_paths)
+
+    make_root_scheme_file = root_scheme_file_maker(wheel_zip, lib_dir)
+    files: Iterator[File] = map(make_root_scheme_file, root_scheme_paths)
+
+    def is_script_scheme_path(path: RecordPath) -> bool:
+        parts = path.split("/", 2)
+        return len(parts) > 2 and parts[0].endswith(".data") and parts[1] == "scripts"
+
+    other_scheme_paths, script_scheme_paths = partition(
+        is_script_scheme_path, data_scheme_paths
+    )
+
+    make_data_scheme_file = data_scheme_file_maker(wheel_zip, scheme)
+    other_scheme_files = map(make_data_scheme_file, other_scheme_paths)
+    files = chain(files, other_scheme_files)
+
+    # Get the defined entry points
+    distribution = get_wheel_distribution(
+        FilesystemWheel(wheel_path),
+        canonicalize_name(name),
+    )
+    console, gui = get_entrypoints(distribution)
+
+    def is_entrypoint_wrapper(file: "File") -> bool:
+        # EP, EP.exe and EP-script.py are scripts generated for
+        # entry point EP by setuptools
+        path = file.dest_path
+        name = os.path.basename(path)
+        if name.lower().endswith(".exe"):
+            matchname = name[:-4]
+        elif name.lower().endswith("-script.py"):
+            matchname = name[:-10]
+        elif name.lower().endswith(".pya"):
+            matchname = name[:-4]
+        else:
+            matchname = name
+        # Ignore setuptools-generated scripts
+        return matchname in console or matchname in gui
+
+    script_scheme_files: Iterator[File] = map(
+        make_data_scheme_file, script_scheme_paths
+    )
+    script_scheme_files = filterfalse(is_entrypoint_wrapper, script_scheme_files)
+    script_scheme_files = map(ScriptFile, script_scheme_files)
+    files = chain(files, script_scheme_files)
+
+    for file in files:
+        file.save()
+        record_installed(file.src_record_path, file.dest_path, file.changed)
+
+    def pyc_source_file_paths() -> Generator[str, None, None]:
+        # We de-duplicate installation paths, since there can be overlap (e.g.
+        # file in .data maps to same location as file in wheel root).
+        # Sorting installation paths makes it easier to reproduce and debug
+        # issues related to permissions on existing files.
+        for installed_path in sorted(set(installed.values())):
+            full_installed_path = os.path.join(lib_dir, installed_path)
+            if not os.path.isfile(full_installed_path):
+                continue
+            if not full_installed_path.endswith(".py"):
+                continue
+            yield full_installed_path
+
+    def pyc_output_path(path: str) -> str:
+        """Return the path the pyc file would have been written to."""
+        return importlib.util.cache_from_source(path)
+
+    # Compile all of the pyc files for the installed files
+    if pycompile:
+        with captured_stdout() as stdout:
+            with warnings.catch_warnings():
+                warnings.filterwarnings("ignore")
+                for path in pyc_source_file_paths():
+                    success = compileall.compile_file(path, force=True, quiet=True)
+                    if success:
+                        pyc_path = pyc_output_path(path)
+                        assert os.path.exists(pyc_path)
+                        pyc_record_path = cast(
+                            "RecordPath", pyc_path.replace(os.path.sep, "/")
+                        )
+                        record_installed(pyc_record_path, pyc_path)
+        logger.debug(stdout.getvalue())
+
+    maker = PipScriptMaker(None, scheme.scripts)
+
+    # Ensure old scripts are overwritten.
+    # See https://github.com/pypa/pip/issues/1800
+    maker.clobber = True
+
+    # Ensure we don't generate any variants for scripts because this is almost
+    # never what somebody wants.
+    # See https://bitbucket.org/pypa/distlib/issue/35/
+    maker.variants = {""}
+
+    # This is required because otherwise distlib creates scripts that are not
+    # executable.
+    # See https://bitbucket.org/pypa/distlib/issue/32/
+    maker.set_mode = True
+
+    # Generate the console and GUI entry points specified in the wheel
+    scripts_to_generate = get_console_script_specs(console)
+
+    gui_scripts_to_generate = list(starmap("{} = {}".format, gui.items()))
+
+    generated_console_scripts = maker.make_multiple(scripts_to_generate)
+    generated.extend(generated_console_scripts)
+
+    generated.extend(maker.make_multiple(gui_scripts_to_generate, {"gui": True}))
+
+    if warn_script_location:
+        msg = message_about_scripts_not_on_PATH(generated_console_scripts)
+        if msg is not None:
+            logger.warning(msg)
+
+    generated_file_mode = 0o666 & ~current_umask()
+
+    @contextlib.contextmanager
+    def _generate_file(path: str, **kwargs: Any) -> Generator[BinaryIO, None, None]:
+        with adjacent_tmp_file(path, **kwargs) as f:
+            yield f
+        os.chmod(f.name, generated_file_mode)
+        replace(f.name, path)
+
+    dest_info_dir = os.path.join(lib_dir, info_dir)
+
+    # Record pip as the installer
+    installer_path = os.path.join(dest_info_dir, "INSTALLER")
+    with _generate_file(installer_path) as installer_file:
+        installer_file.write(b"pip\n")
+    generated.append(installer_path)
+
+    # Record the PEP 610 direct URL reference
+    if direct_url is not None:
+        direct_url_path = os.path.join(dest_info_dir, DIRECT_URL_METADATA_NAME)
+        with _generate_file(direct_url_path) as direct_url_file:
+            direct_url_file.write(direct_url.to_json().encode("utf-8"))
+        generated.append(direct_url_path)
+
+    # Record the REQUESTED file
+    if requested:
+        requested_path = os.path.join(dest_info_dir, "REQUESTED")
+        with open(requested_path, "wb"):
+            pass
+        generated.append(requested_path)
+
+    record_text = distribution.read_text("RECORD")
+    record_rows = list(csv.reader(record_text.splitlines()))
+
+    rows = get_csv_rows_for_installed(
+        record_rows,
+        installed=installed,
+        changed=changed,
+        generated=generated,
+        lib_dir=lib_dir,
+    )
+
+    # Record details of all files installed
+    record_path = os.path.join(dest_info_dir, "RECORD")
+
+    with _generate_file(record_path, **csv_io_kwargs("w")) as record_file:
+        # Explicitly cast to typing.IO[str] as a workaround for the mypy error:
+        # "writer" has incompatible type "BinaryIO"; expected "_Writer"
+        writer = csv.writer(cast("IO[str]", record_file))
+        writer.writerows(_normalized_outrows(rows))
+
+
+@contextlib.contextmanager
+def req_error_context(req_description: str) -> Generator[None, None, None]:
+    try:
+        yield
+    except InstallationError as e:
+        message = f"For req: {req_description}. {e.args[0]}"
+        raise InstallationError(message) from e
+
+
+def install_wheel(
+    name: str,
+    wheel_path: str,
+    scheme: Scheme,
+    req_description: str,
+    pycompile: bool = True,
+    warn_script_location: bool = True,
+    direct_url: Optional[DirectUrl] = None,
+    requested: bool = False,
+) -> None:
+    with ZipFile(wheel_path, allowZip64=True) as z:
+        with req_error_context(req_description):
+            _install_wheel(
+                name=name,
+                wheel_zip=z,
+                wheel_path=wheel_path,
+                scheme=scheme,
+                pycompile=pycompile,
+                warn_script_location=warn_script_location,
+                direct_url=direct_url,
+                requested=requested,
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/prepare.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/prepare.py
new file mode 100644
index 00000000..956717d1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/operations/prepare.py
@@ -0,0 +1,730 @@
+"""Prepares a distribution for installation
+"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import mimetypes
+import os
+import shutil
+from pathlib import Path
+from typing import Dict, Iterable, List, Optional
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.distributions import make_distribution_for_install_requirement
+from pip._internal.distributions.installed import InstalledDistribution
+from pip._internal.exceptions import (
+    DirectoryUrlHashUnsupported,
+    HashMismatch,
+    HashUnpinned,
+    InstallationError,
+    MetadataInconsistent,
+    NetworkConnectionError,
+    VcsHashUnsupported,
+)
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution, get_metadata_distribution
+from pip._internal.models.direct_url import ArchiveInfo
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.network.download import BatchDownloader, Downloader
+from pip._internal.network.lazy_wheel import (
+    HTTPRangeRequestUnsupported,
+    dist_from_wheel_url,
+)
+from pip._internal.network.session import PipSession
+from pip._internal.operations.build.build_tracker import BuildTracker
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils._log import getLogger
+from pip._internal.utils.direct_url_helpers import (
+    direct_url_for_editable,
+    direct_url_from_link,
+)
+from pip._internal.utils.hashes import Hashes, MissingHashes
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import (
+    display_path,
+    hash_file,
+    hide_url,
+    redact_auth_from_requirement,
+)
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.unpacking import unpack_file
+from pip._internal.vcs import vcs
+
+logger = getLogger(__name__)
+
+
+def _get_prepared_distribution(
+    req: InstallRequirement,
+    build_tracker: BuildTracker,
+    finder: PackageFinder,
+    build_isolation: bool,
+    check_build_deps: bool,
+) -> BaseDistribution:
+    """Prepare a distribution for installation."""
+    abstract_dist = make_distribution_for_install_requirement(req)
+    tracker_id = abstract_dist.build_tracker_id
+    if tracker_id is not None:
+        with build_tracker.track(req, tracker_id):
+            abstract_dist.prepare_distribution_metadata(
+                finder, build_isolation, check_build_deps
+            )
+    return abstract_dist.get_metadata_distribution()
+
+
+def unpack_vcs_link(link: Link, location: str, verbosity: int) -> None:
+    vcs_backend = vcs.get_backend_for_scheme(link.scheme)
+    assert vcs_backend is not None
+    vcs_backend.unpack(location, url=hide_url(link.url), verbosity=verbosity)
+
+
+class File:
+    def __init__(self, path: str, content_type: Optional[str]) -> None:
+        self.path = path
+        if content_type is None:
+            self.content_type = mimetypes.guess_type(path)[0]
+        else:
+            self.content_type = content_type
+
+
+def get_http_url(
+    link: Link,
+    download: Downloader,
+    download_dir: Optional[str] = None,
+    hashes: Optional[Hashes] = None,
+) -> File:
+    temp_dir = TempDirectory(kind="unpack", globally_managed=True)
+    # If a download dir is specified, is the file already downloaded there?
+    already_downloaded_path = None
+    if download_dir:
+        already_downloaded_path = _check_download_dir(link, download_dir, hashes)
+
+    if already_downloaded_path:
+        from_path = already_downloaded_path
+        content_type = None
+    else:
+        # let's download to a tmp dir
+        from_path, content_type = download(link, temp_dir.path)
+        if hashes:
+            hashes.check_against_path(from_path)
+
+    return File(from_path, content_type)
+
+
+def get_file_url(
+    link: Link, download_dir: Optional[str] = None, hashes: Optional[Hashes] = None
+) -> File:
+    """Get file and optionally check its hash."""
+    # If a download dir is specified, is the file already there and valid?
+    already_downloaded_path = None
+    if download_dir:
+        already_downloaded_path = _check_download_dir(link, download_dir, hashes)
+
+    if already_downloaded_path:
+        from_path = already_downloaded_path
+    else:
+        from_path = link.file_path
+
+    # If --require-hashes is off, `hashes` is either empty, the
+    # link's embedded hash, or MissingHashes; it is required to
+    # match. If --require-hashes is on, we are satisfied by any
+    # hash in `hashes` matching: a URL-based or an option-based
+    # one; no internet-sourced hash will be in `hashes`.
+    if hashes:
+        hashes.check_against_path(from_path)
+    return File(from_path, None)
+
+
+def unpack_url(
+    link: Link,
+    location: str,
+    download: Downloader,
+    verbosity: int,
+    download_dir: Optional[str] = None,
+    hashes: Optional[Hashes] = None,
+) -> Optional[File]:
+    """Unpack link into location, downloading if required.
+
+    :param hashes: A Hashes object, one of whose embedded hashes must match,
+        or HashMismatch will be raised. If the Hashes is empty, no matches are
+        required, and unhashable types of requirements (like VCS ones, which
+        would ordinarily raise HashUnsupported) are allowed.
+    """
+    # non-editable vcs urls
+    if link.is_vcs:
+        unpack_vcs_link(link, location, verbosity=verbosity)
+        return None
+
+    assert not link.is_existing_dir()
+
+    # file urls
+    if link.is_file:
+        file = get_file_url(link, download_dir, hashes=hashes)
+
+    # http urls
+    else:
+        file = get_http_url(
+            link,
+            download,
+            download_dir,
+            hashes=hashes,
+        )
+
+    # unpack the archive to the build dir location. even when only downloading
+    # archives, they have to be unpacked to parse dependencies, except wheels
+    if not link.is_wheel:
+        unpack_file(file.path, location, file.content_type)
+
+    return file
+
+
+def _check_download_dir(
+    link: Link,
+    download_dir: str,
+    hashes: Optional[Hashes],
+    warn_on_hash_mismatch: bool = True,
+) -> Optional[str]:
+    """Check download_dir for previously downloaded file with correct hash
+    If a correct file is found return its path else None
+    """
+    download_path = os.path.join(download_dir, link.filename)
+
+    if not os.path.exists(download_path):
+        return None
+
+    # If already downloaded, does its hash match?
+    logger.info("File was already downloaded %s", download_path)
+    if hashes:
+        try:
+            hashes.check_against_path(download_path)
+        except HashMismatch:
+            if warn_on_hash_mismatch:
+                logger.warning(
+                    "Previously-downloaded file %s has bad hash. Re-downloading.",
+                    download_path,
+                )
+            os.unlink(download_path)
+            return None
+    return download_path
+
+
+class RequirementPreparer:
+    """Prepares a Requirement"""
+
+    def __init__(
+        self,
+        build_dir: str,
+        download_dir: Optional[str],
+        src_dir: str,
+        build_isolation: bool,
+        check_build_deps: bool,
+        build_tracker: BuildTracker,
+        session: PipSession,
+        progress_bar: str,
+        finder: PackageFinder,
+        require_hashes: bool,
+        use_user_site: bool,
+        lazy_wheel: bool,
+        verbosity: int,
+        legacy_resolver: bool,
+    ) -> None:
+        super().__init__()
+
+        self.src_dir = src_dir
+        self.build_dir = build_dir
+        self.build_tracker = build_tracker
+        self._session = session
+        self._download = Downloader(session, progress_bar)
+        self._batch_download = BatchDownloader(session, progress_bar)
+        self.finder = finder
+
+        # Where still-packed archives should be written to. If None, they are
+        # not saved, and are deleted immediately after unpacking.
+        self.download_dir = download_dir
+
+        # Is build isolation allowed?
+        self.build_isolation = build_isolation
+
+        # Should check build dependencies?
+        self.check_build_deps = check_build_deps
+
+        # Should hash-checking be required?
+        self.require_hashes = require_hashes
+
+        # Should install in user site-packages?
+        self.use_user_site = use_user_site
+
+        # Should wheels be downloaded lazily?
+        self.use_lazy_wheel = lazy_wheel
+
+        # How verbose should underlying tooling be?
+        self.verbosity = verbosity
+
+        # Are we using the legacy resolver?
+        self.legacy_resolver = legacy_resolver
+
+        # Memoized downloaded files, as mapping of url: path.
+        self._downloaded: Dict[str, str] = {}
+
+        # Previous "header" printed for a link-based InstallRequirement
+        self._previous_requirement_header = ("", "")
+
+    def _log_preparing_link(self, req: InstallRequirement) -> None:
+        """Provide context for the requirement being prepared."""
+        if req.link.is_file and not req.is_wheel_from_cache:
+            message = "Processing %s"
+            information = str(display_path(req.link.file_path))
+        else:
+            message = "Collecting %s"
+            information = redact_auth_from_requirement(req.req) if req.req else str(req)
+
+        # If we used req.req, inject requirement source if available (this
+        # would already be included if we used req directly)
+        if req.req and req.comes_from:
+            if isinstance(req.comes_from, str):
+                comes_from: Optional[str] = req.comes_from
+            else:
+                comes_from = req.comes_from.from_path()
+            if comes_from:
+                information += f" (from {comes_from})"
+
+        if (message, information) != self._previous_requirement_header:
+            self._previous_requirement_header = (message, information)
+            logger.info(message, information)
+
+        if req.is_wheel_from_cache:
+            with indent_log():
+                logger.info("Using cached %s", req.link.filename)
+
+    def _ensure_link_req_src_dir(
+        self, req: InstallRequirement, parallel_builds: bool
+    ) -> None:
+        """Ensure source_dir of a linked InstallRequirement."""
+        # Since source_dir is only set for editable requirements.
+        if req.link.is_wheel:
+            # We don't need to unpack wheels, so no need for a source
+            # directory.
+            return
+        assert req.source_dir is None
+        if req.link.is_existing_dir():
+            # build local directories in-tree
+            req.source_dir = req.link.file_path
+            return
+
+        # We always delete unpacked sdists after pip runs.
+        req.ensure_has_source_dir(
+            self.build_dir,
+            autodelete=True,
+            parallel_builds=parallel_builds,
+        )
+        req.ensure_pristine_source_checkout()
+
+    def _get_linked_req_hashes(self, req: InstallRequirement) -> Hashes:
+        # By the time this is called, the requirement's link should have
+        # been checked so we can tell what kind of requirements req is
+        # and raise some more informative errors than otherwise.
+        # (For example, we can raise VcsHashUnsupported for a VCS URL
+        # rather than HashMissing.)
+        if not self.require_hashes:
+            return req.hashes(trust_internet=True)
+
+        # We could check these first 2 conditions inside unpack_url
+        # and save repetition of conditions, but then we would
+        # report less-useful error messages for unhashable
+        # requirements, complaining that there's no hash provided.
+        if req.link.is_vcs:
+            raise VcsHashUnsupported()
+        if req.link.is_existing_dir():
+            raise DirectoryUrlHashUnsupported()
+
+        # Unpinned packages are asking for trouble when a new version
+        # is uploaded.  This isn't a security check, but it saves users
+        # a surprising hash mismatch in the future.
+        # file:/// URLs aren't pinnable, so don't complain about them
+        # not being pinned.
+        if not req.is_direct and not req.is_pinned:
+            raise HashUnpinned()
+
+        # If known-good hashes are missing for this requirement,
+        # shim it with a facade object that will provoke hash
+        # computation and then raise a HashMissing exception
+        # showing the user what the hash should be.
+        return req.hashes(trust_internet=False) or MissingHashes()
+
+    def _fetch_metadata_only(
+        self,
+        req: InstallRequirement,
+    ) -> Optional[BaseDistribution]:
+        if self.legacy_resolver:
+            logger.debug(
+                "Metadata-only fetching is not used in the legacy resolver",
+            )
+            return None
+        if self.require_hashes:
+            logger.debug(
+                "Metadata-only fetching is not used as hash checking is required",
+            )
+            return None
+        # Try PEP 658 metadata first, then fall back to lazy wheel if unavailable.
+        return self._fetch_metadata_using_link_data_attr(
+            req
+        ) or self._fetch_metadata_using_lazy_wheel(req.link)
+
+    def _fetch_metadata_using_link_data_attr(
+        self,
+        req: InstallRequirement,
+    ) -> Optional[BaseDistribution]:
+        """Fetch metadata from the data-dist-info-metadata attribute, if possible."""
+        # (1) Get the link to the metadata file, if provided by the backend.
+        metadata_link = req.link.metadata_link()
+        if metadata_link is None:
+            return None
+        assert req.req is not None
+        logger.verbose(
+            "Obtaining dependency information for %s from %s",
+            req.req,
+            metadata_link,
+        )
+        # (2) Download the contents of the METADATA file, separate from the dist itself.
+        metadata_file = get_http_url(
+            metadata_link,
+            self._download,
+            hashes=metadata_link.as_hashes(),
+        )
+        with open(metadata_file.path, "rb") as f:
+            metadata_contents = f.read()
+        # (3) Generate a dist just from those file contents.
+        metadata_dist = get_metadata_distribution(
+            metadata_contents,
+            req.link.filename,
+            req.req.name,
+        )
+        # (4) Ensure the Name: field from the METADATA file matches the name from the
+        #     install requirement.
+        #
+        #     NB: raw_name will fall back to the name from the install requirement if
+        #     the Name: field is not present, but it's noted in the raw_name docstring
+        #     that that should NEVER happen anyway.
+        if canonicalize_name(metadata_dist.raw_name) != canonicalize_name(req.req.name):
+            raise MetadataInconsistent(
+                req, "Name", req.req.name, metadata_dist.raw_name
+            )
+        return metadata_dist
+
+    def _fetch_metadata_using_lazy_wheel(
+        self,
+        link: Link,
+    ) -> Optional[BaseDistribution]:
+        """Fetch metadata using lazy wheel, if possible."""
+        # --use-feature=fast-deps must be provided.
+        if not self.use_lazy_wheel:
+            return None
+        if link.is_file or not link.is_wheel:
+            logger.debug(
+                "Lazy wheel is not used as %r does not point to a remote wheel",
+                link,
+            )
+            return None
+
+        wheel = Wheel(link.filename)
+        name = canonicalize_name(wheel.name)
+        logger.info(
+            "Obtaining dependency information from %s %s",
+            name,
+            wheel.version,
+        )
+        url = link.url.split("#", 1)[0]
+        try:
+            return dist_from_wheel_url(name, url, self._session)
+        except HTTPRangeRequestUnsupported:
+            logger.debug("%s does not support range requests", url)
+            return None
+
+    def _complete_partial_requirements(
+        self,
+        partially_downloaded_reqs: Iterable[InstallRequirement],
+        parallel_builds: bool = False,
+    ) -> None:
+        """Download any requirements which were only fetched by metadata."""
+        # Download to a temporary directory. These will be copied over as
+        # needed for downstream 'download', 'wheel', and 'install' commands.
+        temp_dir = TempDirectory(kind="unpack", globally_managed=True).path
+
+        # Map each link to the requirement that owns it. This allows us to set
+        # `req.local_file_path` on the appropriate requirement after passing
+        # all the links at once into BatchDownloader.
+        links_to_fully_download: Dict[Link, InstallRequirement] = {}
+        for req in partially_downloaded_reqs:
+            assert req.link
+            links_to_fully_download[req.link] = req
+
+        batch_download = self._batch_download(
+            links_to_fully_download.keys(),
+            temp_dir,
+        )
+        for link, (filepath, _) in batch_download:
+            logger.debug("Downloading link %s to %s", link, filepath)
+            req = links_to_fully_download[link]
+            # Record the downloaded file path so wheel reqs can extract a Distribution
+            # in .get_dist().
+            req.local_file_path = filepath
+            # Record that the file is downloaded so we don't do it again in
+            # _prepare_linked_requirement().
+            self._downloaded[req.link.url] = filepath
+
+            # If this is an sdist, we need to unpack it after downloading, but the
+            # .source_dir won't be set up until we are in _prepare_linked_requirement().
+            # Add the downloaded archive to the install requirement to unpack after
+            # preparing the source dir.
+            if not req.is_wheel:
+                req.needs_unpacked_archive(Path(filepath))
+
+        # This step is necessary to ensure all lazy wheels are processed
+        # successfully by the 'download', 'wheel', and 'install' commands.
+        for req in partially_downloaded_reqs:
+            self._prepare_linked_requirement(req, parallel_builds)
+
+    def prepare_linked_requirement(
+        self, req: InstallRequirement, parallel_builds: bool = False
+    ) -> BaseDistribution:
+        """Prepare a requirement to be obtained from req.link."""
+        assert req.link
+        self._log_preparing_link(req)
+        with indent_log():
+            # Check if the relevant file is already available
+            # in the download directory
+            file_path = None
+            if self.download_dir is not None and req.link.is_wheel:
+                hashes = self._get_linked_req_hashes(req)
+                file_path = _check_download_dir(
+                    req.link,
+                    self.download_dir,
+                    hashes,
+                    # When a locally built wheel has been found in cache, we don't warn
+                    # about re-downloading when the already downloaded wheel hash does
+                    # not match. This is because the hash must be checked against the
+                    # original link, not the cached link. It that case the already
+                    # downloaded file will be removed and re-fetched from cache (which
+                    # implies a hash check against the cache entry's origin.json).
+                    warn_on_hash_mismatch=not req.is_wheel_from_cache,
+                )
+
+            if file_path is not None:
+                # The file is already available, so mark it as downloaded
+                self._downloaded[req.link.url] = file_path
+            else:
+                # The file is not available, attempt to fetch only metadata
+                metadata_dist = self._fetch_metadata_only(req)
+                if metadata_dist is not None:
+                    req.needs_more_preparation = True
+                    return metadata_dist
+
+            # None of the optimizations worked, fully prepare the requirement
+            return self._prepare_linked_requirement(req, parallel_builds)
+
+    def prepare_linked_requirements_more(
+        self, reqs: Iterable[InstallRequirement], parallel_builds: bool = False
+    ) -> None:
+        """Prepare linked requirements more, if needed."""
+        reqs = [req for req in reqs if req.needs_more_preparation]
+        for req in reqs:
+            # Determine if any of these requirements were already downloaded.
+            if self.download_dir is not None and req.link.is_wheel:
+                hashes = self._get_linked_req_hashes(req)
+                file_path = _check_download_dir(req.link, self.download_dir, hashes)
+                if file_path is not None:
+                    self._downloaded[req.link.url] = file_path
+                    req.needs_more_preparation = False
+
+        # Prepare requirements we found were already downloaded for some
+        # reason. The other downloads will be completed separately.
+        partially_downloaded_reqs: List[InstallRequirement] = []
+        for req in reqs:
+            if req.needs_more_preparation:
+                partially_downloaded_reqs.append(req)
+            else:
+                self._prepare_linked_requirement(req, parallel_builds)
+
+        # TODO: separate this part out from RequirementPreparer when the v1
+        # resolver can be removed!
+        self._complete_partial_requirements(
+            partially_downloaded_reqs,
+            parallel_builds=parallel_builds,
+        )
+
+    def _prepare_linked_requirement(
+        self, req: InstallRequirement, parallel_builds: bool
+    ) -> BaseDistribution:
+        assert req.link
+        link = req.link
+
+        hashes = self._get_linked_req_hashes(req)
+
+        if hashes and req.is_wheel_from_cache:
+            assert req.download_info is not None
+            assert link.is_wheel
+            assert link.is_file
+            # We need to verify hashes, and we have found the requirement in the cache
+            # of locally built wheels.
+            if (
+                isinstance(req.download_info.info, ArchiveInfo)
+                and req.download_info.info.hashes
+                and hashes.has_one_of(req.download_info.info.hashes)
+            ):
+                # At this point we know the requirement was built from a hashable source
+                # artifact, and we verified that the cache entry's hash of the original
+                # artifact matches one of the hashes we expect. We don't verify hashes
+                # against the cached wheel, because the wheel is not the original.
+                hashes = None
+            else:
+                logger.warning(
+                    "The hashes of the source archive found in cache entry "
+                    "don't match, ignoring cached built wheel "
+                    "and re-downloading source."
+                )
+                req.link = req.cached_wheel_source_link
+                link = req.link
+
+        self._ensure_link_req_src_dir(req, parallel_builds)
+
+        if link.is_existing_dir():
+            local_file = None
+        elif link.url not in self._downloaded:
+            try:
+                local_file = unpack_url(
+                    link,
+                    req.source_dir,
+                    self._download,
+                    self.verbosity,
+                    self.download_dir,
+                    hashes,
+                )
+            except NetworkConnectionError as exc:
+                raise InstallationError(
+                    f"Could not install requirement {req} because of HTTP "
+                    f"error {exc} for URL {link}"
+                )
+        else:
+            file_path = self._downloaded[link.url]
+            if hashes:
+                hashes.check_against_path(file_path)
+            local_file = File(file_path, content_type=None)
+
+        # If download_info is set, we got it from the wheel cache.
+        if req.download_info is None:
+            # Editables don't go through this function (see
+            # prepare_editable_requirement).
+            assert not req.editable
+            req.download_info = direct_url_from_link(link, req.source_dir)
+            # Make sure we have a hash in download_info. If we got it as part of the
+            # URL, it will have been verified and we can rely on it. Otherwise we
+            # compute it from the downloaded file.
+            # FIXME: https://github.com/pypa/pip/issues/11943
+            if (
+                isinstance(req.download_info.info, ArchiveInfo)
+                and not req.download_info.info.hashes
+                and local_file
+            ):
+                hash = hash_file(local_file.path)[0].hexdigest()
+                # We populate info.hash for backward compatibility.
+                # This will automatically populate info.hashes.
+                req.download_info.info.hash = f"sha256={hash}"
+
+        # For use in later processing,
+        # preserve the file path on the requirement.
+        if local_file:
+            req.local_file_path = local_file.path
+
+        dist = _get_prepared_distribution(
+            req,
+            self.build_tracker,
+            self.finder,
+            self.build_isolation,
+            self.check_build_deps,
+        )
+        return dist
+
+    def save_linked_requirement(self, req: InstallRequirement) -> None:
+        assert self.download_dir is not None
+        assert req.link is not None
+        link = req.link
+        if link.is_vcs or (link.is_existing_dir() and req.editable):
+            # Make a .zip of the source_dir we already created.
+            req.archive(self.download_dir)
+            return
+
+        if link.is_existing_dir():
+            logger.debug(
+                "Not copying link to destination directory "
+                "since it is a directory: %s",
+                link,
+            )
+            return
+        if req.local_file_path is None:
+            # No distribution was downloaded for this requirement.
+            return
+
+        download_location = os.path.join(self.download_dir, link.filename)
+        if not os.path.exists(download_location):
+            shutil.copy(req.local_file_path, download_location)
+            download_path = display_path(download_location)
+            logger.info("Saved %s", download_path)
+
+    def prepare_editable_requirement(
+        self,
+        req: InstallRequirement,
+    ) -> BaseDistribution:
+        """Prepare an editable requirement."""
+        assert req.editable, "cannot prepare a non-editable req as editable"
+
+        logger.info("Obtaining %s", req)
+
+        with indent_log():
+            if self.require_hashes:
+                raise InstallationError(
+                    f"The editable requirement {req} cannot be installed when "
+                    "requiring hashes, because there is no single file to "
+                    "hash."
+                )
+            req.ensure_has_source_dir(self.src_dir)
+            req.update_editable()
+            assert req.source_dir
+            req.download_info = direct_url_for_editable(req.unpacked_source_directory)
+
+            dist = _get_prepared_distribution(
+                req,
+                self.build_tracker,
+                self.finder,
+                self.build_isolation,
+                self.check_build_deps,
+            )
+
+            req.check_if_exists(self.use_user_site)
+
+        return dist
+
+    def prepare_installed_requirement(
+        self,
+        req: InstallRequirement,
+        skip_reason: str,
+    ) -> BaseDistribution:
+        """Prepare an already-installed requirement."""
+        assert req.satisfied_by, "req should have been satisfied but isn't"
+        assert skip_reason is not None, (
+            "did not get skip reason skipped but req.satisfied_by "
+            f"is set to {req.satisfied_by}"
+        )
+        logger.info(
+            "Requirement %s: %s (%s)", skip_reason, req, req.satisfied_by.version
+        )
+        with indent_log():
+            if self.require_hashes:
+                logger.debug(
+                    "Since it is already installed, we are trusting this "
+                    "package without checking its hash. To ensure a "
+                    "completely repeatable environment, install into an "
+                    "empty virtualenv."
+                )
+            return InstalledDistribution(req).get_metadata_distribution()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/pyproject.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/pyproject.py
new file mode 100644
index 00000000..8de36b87
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/pyproject.py
@@ -0,0 +1,179 @@
+import importlib.util
+import os
+from collections import namedtuple
+from typing import Any, List, Optional
+
+from pip._vendor import tomli
+from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
+
+from pip._internal.exceptions import (
+    InstallationError,
+    InvalidPyProjectBuildRequires,
+    MissingPyProjectBuildRequires,
+)
+
+
+def _is_list_of_str(obj: Any) -> bool:
+    return isinstance(obj, list) and all(isinstance(item, str) for item in obj)
+
+
+def make_pyproject_path(unpacked_source_directory: str) -> str:
+    return os.path.join(unpacked_source_directory, "pyproject.toml")
+
+
+BuildSystemDetails = namedtuple(
+    "BuildSystemDetails", ["requires", "backend", "check", "backend_path"]
+)
+
+
+def load_pyproject_toml(
+    use_pep517: Optional[bool], pyproject_toml: str, setup_py: str, req_name: str
+) -> Optional[BuildSystemDetails]:
+    """Load the pyproject.toml file.
+
+    Parameters:
+        use_pep517 - Has the user requested PEP 517 processing? None
+                     means the user hasn't explicitly specified.
+        pyproject_toml - Location of the project's pyproject.toml file
+        setup_py - Location of the project's setup.py file
+        req_name - The name of the requirement we're processing (for
+                   error reporting)
+
+    Returns:
+        None if we should use the legacy code path, otherwise a tuple
+        (
+            requirements from pyproject.toml,
+            name of PEP 517 backend,
+            requirements we should check are installed after setting
+                up the build environment
+            directory paths to import the backend from (backend-path),
+                relative to the project root.
+        )
+    """
+    has_pyproject = os.path.isfile(pyproject_toml)
+    has_setup = os.path.isfile(setup_py)
+
+    if not has_pyproject and not has_setup:
+        raise InstallationError(
+            f"{req_name} does not appear to be a Python project: "
+            f"neither 'setup.py' nor 'pyproject.toml' found."
+        )
+
+    if has_pyproject:
+        with open(pyproject_toml, encoding="utf-8") as f:
+            pp_toml = tomli.loads(f.read())
+        build_system = pp_toml.get("build-system")
+    else:
+        build_system = None
+
+    # The following cases must use PEP 517
+    # We check for use_pep517 being non-None and falsey because that means
+    # the user explicitly requested --no-use-pep517.  The value 0 as
+    # opposed to False can occur when the value is provided via an
+    # environment variable or config file option (due to the quirk of
+    # strtobool() returning an integer in pip's configuration code).
+    if has_pyproject and not has_setup:
+        if use_pep517 is not None and not use_pep517:
+            raise InstallationError(
+                "Disabling PEP 517 processing is invalid: "
+                "project does not have a setup.py"
+            )
+        use_pep517 = True
+    elif build_system and "build-backend" in build_system:
+        if use_pep517 is not None and not use_pep517:
+            raise InstallationError(
+                "Disabling PEP 517 processing is invalid: "
+                "project specifies a build backend of {} "
+                "in pyproject.toml".format(build_system["build-backend"])
+            )
+        use_pep517 = True
+
+    # If we haven't worked out whether to use PEP 517 yet,
+    # and the user hasn't explicitly stated a preference,
+    # we do so if the project has a pyproject.toml file
+    # or if we cannot import setuptools or wheels.
+
+    # We fallback to PEP 517 when without setuptools or without the wheel package,
+    # so setuptools can be installed as a default build backend.
+    # For more info see:
+    # https://discuss.python.org/t/pip-without-setuptools-could-the-experience-be-improved/11810/9
+    # https://github.com/pypa/pip/issues/8559
+    elif use_pep517 is None:
+        use_pep517 = (
+            has_pyproject
+            or not importlib.util.find_spec("setuptools")
+            or not importlib.util.find_spec("wheel")
+        )
+
+    # At this point, we know whether we're going to use PEP 517.
+    assert use_pep517 is not None
+
+    # If we're using the legacy code path, there is nothing further
+    # for us to do here.
+    if not use_pep517:
+        return None
+
+    if build_system is None:
+        # Either the user has a pyproject.toml with no build-system
+        # section, or the user has no pyproject.toml, but has opted in
+        # explicitly via --use-pep517.
+        # In the absence of any explicit backend specification, we
+        # assume the setuptools backend that most closely emulates the
+        # traditional direct setup.py execution, and require wheel and
+        # a version of setuptools that supports that backend.
+
+        build_system = {
+            "requires": ["setuptools>=40.8.0"],
+            "build-backend": "setuptools.build_meta:__legacy__",
+        }
+
+    # If we're using PEP 517, we have build system information (either
+    # from pyproject.toml, or defaulted by the code above).
+    # Note that at this point, we do not know if the user has actually
+    # specified a backend, though.
+    assert build_system is not None
+
+    # Ensure that the build-system section in pyproject.toml conforms
+    # to PEP 518.
+
+    # Specifying the build-system table but not the requires key is invalid
+    if "requires" not in build_system:
+        raise MissingPyProjectBuildRequires(package=req_name)
+
+    # Error out if requires is not a list of strings
+    requires = build_system["requires"]
+    if not _is_list_of_str(requires):
+        raise InvalidPyProjectBuildRequires(
+            package=req_name,
+            reason="It is not a list of strings.",
+        )
+
+    # Each requirement must be valid as per PEP 508
+    for requirement in requires:
+        try:
+            Requirement(requirement)
+        except InvalidRequirement as error:
+            raise InvalidPyProjectBuildRequires(
+                package=req_name,
+                reason=f"It contains an invalid requirement: {requirement!r}",
+            ) from error
+
+    backend = build_system.get("build-backend")
+    backend_path = build_system.get("backend-path", [])
+    check: List[str] = []
+    if backend is None:
+        # If the user didn't specify a backend, we assume they want to use
+        # the setuptools backend. But we can't be sure they have included
+        # a version of setuptools which supplies the backend. So we
+        # make a note to check that this requirement is present once
+        # we have set up the environment.
+        # This is quite a lot of work to check for a very specific case. But
+        # the problem is, that case is potentially quite common - projects that
+        # adopted PEP 518 early for the ability to specify requirements to
+        # execute setup.py, but never considered needing to mention the build
+        # tools themselves. The original PEP 518 code had a similar check (but
+        # implemented in a different way).
+        backend = "setuptools.build_meta:__legacy__"
+        check = ["setuptools>=40.8.0"]
+
+    return BuildSystemDetails(requires, backend, check, backend_path)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/__init__.py
new file mode 100644
index 00000000..16de903a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/__init__.py
@@ -0,0 +1,92 @@
+import collections
+import logging
+from typing import Generator, List, Optional, Sequence, Tuple
+
+from pip._internal.utils.logging import indent_log
+
+from .req_file import parse_requirements
+from .req_install import InstallRequirement
+from .req_set import RequirementSet
+
+__all__ = [
+    "RequirementSet",
+    "InstallRequirement",
+    "parse_requirements",
+    "install_given_reqs",
+]
+
+logger = logging.getLogger(__name__)
+
+
+class InstallationResult:
+    def __init__(self, name: str) -> None:
+        self.name = name
+
+    def __repr__(self) -> str:
+        return f"InstallationResult(name={self.name!r})"
+
+
+def _validate_requirements(
+    requirements: List[InstallRequirement],
+) -> Generator[Tuple[str, InstallRequirement], None, None]:
+    for req in requirements:
+        assert req.name, f"invalid to-be-installed requirement: {req}"
+        yield req.name, req
+
+
+def install_given_reqs(
+    requirements: List[InstallRequirement],
+    global_options: Sequence[str],
+    root: Optional[str],
+    home: Optional[str],
+    prefix: Optional[str],
+    warn_script_location: bool,
+    use_user_site: bool,
+    pycompile: bool,
+) -> List[InstallationResult]:
+    """
+    Install everything in the given list.
+
+    (to be called after having downloaded and unpacked the packages)
+    """
+    to_install = collections.OrderedDict(_validate_requirements(requirements))
+
+    if to_install:
+        logger.info(
+            "Installing collected packages: %s",
+            ", ".join(to_install.keys()),
+        )
+
+    installed = []
+
+    with indent_log():
+        for req_name, requirement in to_install.items():
+            if requirement.should_reinstall:
+                logger.info("Attempting uninstall: %s", req_name)
+                with indent_log():
+                    uninstalled_pathset = requirement.uninstall(auto_confirm=True)
+            else:
+                uninstalled_pathset = None
+
+            try:
+                requirement.install(
+                    global_options,
+                    root=root,
+                    home=home,
+                    prefix=prefix,
+                    warn_script_location=warn_script_location,
+                    use_user_site=use_user_site,
+                    pycompile=pycompile,
+                )
+            except Exception:
+                # if install did not succeed, rollback previous uninstall
+                if uninstalled_pathset and not requirement.install_succeeded:
+                    uninstalled_pathset.rollback()
+                raise
+            else:
+                if uninstalled_pathset and requirement.install_succeeded:
+                    uninstalled_pathset.commit()
+
+            installed.append(InstallationResult(req_name))
+
+    return installed
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/constructors.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/constructors.py
new file mode 100644
index 00000000..7e2d0e5b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/constructors.py
@@ -0,0 +1,576 @@
+"""Backing implementation for InstallRequirement's various constructors
+
+The idea here is that these formed a major chunk of InstallRequirement's size
+so, moving them and support code dedicated to them outside of that class
+helps creates for better understandability for the rest of the code.
+
+These are meant to be used elsewhere within pip to create instances of
+InstallRequirement.
+"""
+
+import copy
+import logging
+import os
+import re
+from typing import Collection, Dict, List, Optional, Set, Tuple, Union
+
+from pip._vendor.packaging.markers import Marker
+from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
+from pip._vendor.packaging.specifiers import Specifier
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.models.index import PyPI, TestPyPI
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.req.req_file import ParsedRequirement
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.filetypes import is_archive_file
+from pip._internal.utils.misc import is_installable_dir
+from pip._internal.utils.packaging import get_requirement
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs import is_url, vcs
+
+__all__ = [
+    "install_req_from_editable",
+    "install_req_from_line",
+    "parse_editable",
+]
+
+logger = logging.getLogger(__name__)
+operators = Specifier._operators.keys()
+
+
+def _strip_extras(path: str) -> Tuple[str, Optional[str]]:
+    m = re.match(r"^(.+)(\[[^\]]+\])$", path)
+    extras = None
+    if m:
+        path_no_extras = m.group(1)
+        extras = m.group(2)
+    else:
+        path_no_extras = path
+
+    return path_no_extras, extras
+
+
+def convert_extras(extras: Optional[str]) -> Set[str]:
+    if not extras:
+        return set()
+    return get_requirement("placeholder" + extras.lower()).extras
+
+
+def _set_requirement_extras(req: Requirement, new_extras: Set[str]) -> Requirement:
+    """
+    Returns a new requirement based on the given one, with the supplied extras. If the
+    given requirement already has extras those are replaced (or dropped if no new extras
+    are given).
+    """
+    match: Optional[re.Match[str]] = re.fullmatch(
+        # see https://peps.python.org/pep-0508/#complete-grammar
+        r"([\w\t .-]+)(\[[^\]]*\])?(.*)",
+        str(req),
+        flags=re.ASCII,
+    )
+    # ireq.req is a valid requirement so the regex should always match
+    assert (
+        match is not None
+    ), f"regex match on requirement {req} failed, this should never happen"
+    pre: Optional[str] = match.group(1)
+    post: Optional[str] = match.group(3)
+    assert (
+        pre is not None and post is not None
+    ), f"regex group selection for requirement {req} failed, this should never happen"
+    extras: str = "[%s]" % ",".join(sorted(new_extras)) if new_extras else ""
+    return Requirement(f"{pre}{extras}{post}")
+
+
+def parse_editable(editable_req: str) -> Tuple[Optional[str], str, Set[str]]:
+    """Parses an editable requirement into:
+        - a requirement name
+        - an URL
+        - extras
+        - editable options
+    Accepted requirements:
+        svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir
+        .[some_extra]
+    """
+
+    url = editable_req
+
+    # If a file path is specified with extras, strip off the extras.
+    url_no_extras, extras = _strip_extras(url)
+
+    if os.path.isdir(url_no_extras):
+        # Treating it as code that has already been checked out
+        url_no_extras = path_to_url(url_no_extras)
+
+    if url_no_extras.lower().startswith("file:"):
+        package_name = Link(url_no_extras).egg_fragment
+        if extras:
+            return (
+                package_name,
+                url_no_extras,
+                get_requirement("placeholder" + extras.lower()).extras,
+            )
+        else:
+            return package_name, url_no_extras, set()
+
+    for version_control in vcs:
+        if url.lower().startswith(f"{version_control}:"):
+            url = f"{version_control}+{url}"
+            break
+
+    link = Link(url)
+
+    if not link.is_vcs:
+        backends = ", ".join(vcs.all_schemes)
+        raise InstallationError(
+            f"{editable_req} is not a valid editable requirement. "
+            f"It should either be a path to a local project or a VCS URL "
+            f"(beginning with {backends})."
+        )
+
+    package_name = link.egg_fragment
+    if not package_name:
+        raise InstallationError(
+            "Could not detect requirement name for '{}', please specify one "
+            "with #egg=your_package_name".format(editable_req)
+        )
+    return package_name, url, set()
+
+
+def check_first_requirement_in_file(filename: str) -> None:
+    """Check if file is parsable as a requirements file.
+
+    This is heavily based on ``pkg_resources.parse_requirements``, but
+    simplified to just check the first meaningful line.
+
+    :raises InvalidRequirement: If the first meaningful line cannot be parsed
+        as an requirement.
+    """
+    with open(filename, encoding="utf-8", errors="ignore") as f:
+        # Create a steppable iterator, so we can handle \-continuations.
+        lines = (
+            line
+            for line in (line.strip() for line in f)
+            if line and not line.startswith("#")  # Skip blank lines/comments.
+        )
+
+        for line in lines:
+            # Drop comments -- a hash without a space may be in a URL.
+            if " #" in line:
+                line = line[: line.find(" #")]
+            # If there is a line continuation, drop it, and append the next line.
+            if line.endswith("\\"):
+                line = line[:-2].strip() + next(lines, "")
+            Requirement(line)
+            return
+
+
+def deduce_helpful_msg(req: str) -> str:
+    """Returns helpful msg in case requirements file does not exist,
+    or cannot be parsed.
+
+    :params req: Requirements file path
+    """
+    if not os.path.exists(req):
+        return f" File '{req}' does not exist."
+    msg = " The path does exist. "
+    # Try to parse and check if it is a requirements file.
+    try:
+        check_first_requirement_in_file(req)
+    except InvalidRequirement:
+        logger.debug("Cannot parse '%s' as requirements file", req)
+    else:
+        msg += (
+            f"The argument you provided "
+            f"({req}) appears to be a"
+            f" requirements file. If that is the"
+            f" case, use the '-r' flag to install"
+            f" the packages specified within it."
+        )
+    return msg
+
+
+class RequirementParts:
+    def __init__(
+        self,
+        requirement: Optional[Requirement],
+        link: Optional[Link],
+        markers: Optional[Marker],
+        extras: Set[str],
+    ):
+        self.requirement = requirement
+        self.link = link
+        self.markers = markers
+        self.extras = extras
+
+
+def parse_req_from_editable(editable_req: str) -> RequirementParts:
+    name, url, extras_override = parse_editable(editable_req)
+
+    if name is not None:
+        try:
+            req: Optional[Requirement] = Requirement(name)
+        except InvalidRequirement:
+            raise InstallationError(f"Invalid requirement: '{name}'")
+    else:
+        req = None
+
+    link = Link(url)
+
+    return RequirementParts(req, link, None, extras_override)
+
+
+# ---- The actual constructors follow ----
+
+
+def install_req_from_editable(
+    editable_req: str,
+    comes_from: Optional[Union[InstallRequirement, str]] = None,
+    *,
+    use_pep517: Optional[bool] = None,
+    isolated: bool = False,
+    global_options: Optional[List[str]] = None,
+    hash_options: Optional[Dict[str, List[str]]] = None,
+    constraint: bool = False,
+    user_supplied: bool = False,
+    permit_editable_wheels: bool = False,
+    config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+) -> InstallRequirement:
+    parts = parse_req_from_editable(editable_req)
+
+    return InstallRequirement(
+        parts.requirement,
+        comes_from=comes_from,
+        user_supplied=user_supplied,
+        editable=True,
+        permit_editable_wheels=permit_editable_wheels,
+        link=parts.link,
+        constraint=constraint,
+        use_pep517=use_pep517,
+        isolated=isolated,
+        global_options=global_options,
+        hash_options=hash_options,
+        config_settings=config_settings,
+        extras=parts.extras,
+    )
+
+
+def _looks_like_path(name: str) -> bool:
+    """Checks whether the string "looks like" a path on the filesystem.
+
+    This does not check whether the target actually exists, only judge from the
+    appearance.
+
+    Returns true if any of the following conditions is true:
+    * a path separator is found (either os.path.sep or os.path.altsep);
+    * a dot is found (which represents the current directory).
+    """
+    if os.path.sep in name:
+        return True
+    if os.path.altsep is not None and os.path.altsep in name:
+        return True
+    if name.startswith("."):
+        return True
+    return False
+
+
+def _get_url_from_path(path: str, name: str) -> Optional[str]:
+    """
+    First, it checks whether a provided path is an installable directory. If it
+    is, returns the path.
+
+    If false, check if the path is an archive file (such as a .whl).
+    The function checks if the path is a file. If false, if the path has
+    an @, it will treat it as a PEP 440 URL requirement and return the path.
+    """
+    if _looks_like_path(name) and os.path.isdir(path):
+        if is_installable_dir(path):
+            return path_to_url(path)
+        # TODO: The is_installable_dir test here might not be necessary
+        #       now that it is done in load_pyproject_toml too.
+        raise InstallationError(
+            f"Directory {name!r} is not installable. Neither 'setup.py' "
+            "nor 'pyproject.toml' found."
+        )
+    if not is_archive_file(path):
+        return None
+    if os.path.isfile(path):
+        return path_to_url(path)
+    urlreq_parts = name.split("@", 1)
+    if len(urlreq_parts) >= 2 and not _looks_like_path(urlreq_parts[0]):
+        # If the path contains '@' and the part before it does not look
+        # like a path, try to treat it as a PEP 440 URL req instead.
+        return None
+    logger.warning(
+        "Requirement %r looks like a filename, but the file does not exist",
+        name,
+    )
+    return path_to_url(path)
+
+
+def parse_req_from_line(name: str, line_source: Optional[str]) -> RequirementParts:
+    if is_url(name):
+        marker_sep = "; "
+    else:
+        marker_sep = ";"
+    if marker_sep in name:
+        name, markers_as_string = name.split(marker_sep, 1)
+        markers_as_string = markers_as_string.strip()
+        if not markers_as_string:
+            markers = None
+        else:
+            markers = Marker(markers_as_string)
+    else:
+        markers = None
+    name = name.strip()
+    req_as_string = None
+    path = os.path.normpath(os.path.abspath(name))
+    link = None
+    extras_as_string = None
+
+    if is_url(name):
+        link = Link(name)
+    else:
+        p, extras_as_string = _strip_extras(path)
+        url = _get_url_from_path(p, name)
+        if url is not None:
+            link = Link(url)
+
+    # it's a local file, dir, or url
+    if link:
+        # Handle relative file URLs
+        if link.scheme == "file" and re.search(r"\.\./", link.url):
+            link = Link(path_to_url(os.path.normpath(os.path.abspath(link.path))))
+        # wheel file
+        if link.is_wheel:
+            wheel = Wheel(link.filename)  # can raise InvalidWheelFilename
+            req_as_string = f"{wheel.name}=={wheel.version}"
+        else:
+            # set the req to the egg fragment.  when it's not there, this
+            # will become an 'unnamed' requirement
+            req_as_string = link.egg_fragment
+
+    # a requirement specifier
+    else:
+        req_as_string = name
+
+    extras = convert_extras(extras_as_string)
+
+    def with_source(text: str) -> str:
+        if not line_source:
+            return text
+        return f"{text} (from {line_source})"
+
+    def _parse_req_string(req_as_string: str) -> Requirement:
+        try:
+            req = get_requirement(req_as_string)
+        except InvalidRequirement:
+            if os.path.sep in req_as_string:
+                add_msg = "It looks like a path."
+                add_msg += deduce_helpful_msg(req_as_string)
+            elif "=" in req_as_string and not any(
+                op in req_as_string for op in operators
+            ):
+                add_msg = "= is not a valid operator. Did you mean == ?"
+            else:
+                add_msg = ""
+            msg = with_source(f"Invalid requirement: {req_as_string!r}")
+            if add_msg:
+                msg += f"\nHint: {add_msg}"
+            raise InstallationError(msg)
+        else:
+            # Deprecate extras after specifiers: "name>=1.0[extras]"
+            # This currently works by accident because _strip_extras() parses
+            # any extras in the end of the string and those are saved in
+            # RequirementParts
+            for spec in req.specifier:
+                spec_str = str(spec)
+                if spec_str.endswith("]"):
+                    msg = f"Extras after version '{spec_str}'."
+                    raise InstallationError(msg)
+        return req
+
+    if req_as_string is not None:
+        req: Optional[Requirement] = _parse_req_string(req_as_string)
+    else:
+        req = None
+
+    return RequirementParts(req, link, markers, extras)
+
+
+def install_req_from_line(
+    name: str,
+    comes_from: Optional[Union[str, InstallRequirement]] = None,
+    *,
+    use_pep517: Optional[bool] = None,
+    isolated: bool = False,
+    global_options: Optional[List[str]] = None,
+    hash_options: Optional[Dict[str, List[str]]] = None,
+    constraint: bool = False,
+    line_source: Optional[str] = None,
+    user_supplied: bool = False,
+    config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+) -> InstallRequirement:
+    """Creates an InstallRequirement from a name, which might be a
+    requirement, directory containing 'setup.py', filename, or URL.
+
+    :param line_source: An optional string describing where the line is from,
+        for logging purposes in case of an error.
+    """
+    parts = parse_req_from_line(name, line_source)
+
+    return InstallRequirement(
+        parts.requirement,
+        comes_from,
+        link=parts.link,
+        markers=parts.markers,
+        use_pep517=use_pep517,
+        isolated=isolated,
+        global_options=global_options,
+        hash_options=hash_options,
+        config_settings=config_settings,
+        constraint=constraint,
+        extras=parts.extras,
+        user_supplied=user_supplied,
+    )
+
+
+def install_req_from_req_string(
+    req_string: str,
+    comes_from: Optional[InstallRequirement] = None,
+    isolated: bool = False,
+    use_pep517: Optional[bool] = None,
+    user_supplied: bool = False,
+) -> InstallRequirement:
+    try:
+        req = get_requirement(req_string)
+    except InvalidRequirement:
+        raise InstallationError(f"Invalid requirement: '{req_string}'")
+
+    domains_not_allowed = [
+        PyPI.file_storage_domain,
+        TestPyPI.file_storage_domain,
+    ]
+    if (
+        req.url
+        and comes_from
+        and comes_from.link
+        and comes_from.link.netloc in domains_not_allowed
+    ):
+        # Explicitly disallow pypi packages that depend on external urls
+        raise InstallationError(
+            "Packages installed from PyPI cannot depend on packages "
+            "which are not also hosted on PyPI.\n"
+            f"{comes_from.name} depends on {req} "
+        )
+
+    return InstallRequirement(
+        req,
+        comes_from,
+        isolated=isolated,
+        use_pep517=use_pep517,
+        user_supplied=user_supplied,
+    )
+
+
+def install_req_from_parsed_requirement(
+    parsed_req: ParsedRequirement,
+    isolated: bool = False,
+    use_pep517: Optional[bool] = None,
+    user_supplied: bool = False,
+    config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+) -> InstallRequirement:
+    if parsed_req.is_editable:
+        req = install_req_from_editable(
+            parsed_req.requirement,
+            comes_from=parsed_req.comes_from,
+            use_pep517=use_pep517,
+            constraint=parsed_req.constraint,
+            isolated=isolated,
+            user_supplied=user_supplied,
+            config_settings=config_settings,
+        )
+
+    else:
+        req = install_req_from_line(
+            parsed_req.requirement,
+            comes_from=parsed_req.comes_from,
+            use_pep517=use_pep517,
+            isolated=isolated,
+            global_options=(
+                parsed_req.options.get("global_options", [])
+                if parsed_req.options
+                else []
+            ),
+            hash_options=(
+                parsed_req.options.get("hashes", {}) if parsed_req.options else {}
+            ),
+            constraint=parsed_req.constraint,
+            line_source=parsed_req.line_source,
+            user_supplied=user_supplied,
+            config_settings=config_settings,
+        )
+    return req
+
+
+def install_req_from_link_and_ireq(
+    link: Link, ireq: InstallRequirement
+) -> InstallRequirement:
+    return InstallRequirement(
+        req=ireq.req,
+        comes_from=ireq.comes_from,
+        editable=ireq.editable,
+        link=link,
+        markers=ireq.markers,
+        use_pep517=ireq.use_pep517,
+        isolated=ireq.isolated,
+        global_options=ireq.global_options,
+        hash_options=ireq.hash_options,
+        config_settings=ireq.config_settings,
+        user_supplied=ireq.user_supplied,
+    )
+
+
+def install_req_drop_extras(ireq: InstallRequirement) -> InstallRequirement:
+    """
+    Creates a new InstallationRequirement using the given template but without
+    any extras. Sets the original requirement as the new one's parent
+    (comes_from).
+    """
+    return InstallRequirement(
+        req=(
+            _set_requirement_extras(ireq.req, set()) if ireq.req is not None else None
+        ),
+        comes_from=ireq,
+        editable=ireq.editable,
+        link=ireq.link,
+        markers=ireq.markers,
+        use_pep517=ireq.use_pep517,
+        isolated=ireq.isolated,
+        global_options=ireq.global_options,
+        hash_options=ireq.hash_options,
+        constraint=ireq.constraint,
+        extras=[],
+        config_settings=ireq.config_settings,
+        user_supplied=ireq.user_supplied,
+        permit_editable_wheels=ireq.permit_editable_wheels,
+    )
+
+
+def install_req_extend_extras(
+    ireq: InstallRequirement,
+    extras: Collection[str],
+) -> InstallRequirement:
+    """
+    Returns a copy of an installation requirement with some additional extras.
+    Makes a shallow copy of the ireq object.
+    """
+    result = copy.copy(ireq)
+    result.extras = {*ireq.extras, *extras}
+    result.req = (
+        _set_requirement_extras(ireq.req, result.extras)
+        if ireq.req is not None
+        else None
+    )
+    return result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_file.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_file.py
new file mode 100644
index 00000000..1ef3d5ef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_file.py
@@ -0,0 +1,554 @@
+"""
+Requirements file parsing
+"""
+
+import logging
+import optparse
+import os
+import re
+import shlex
+import urllib.parse
+from optparse import Values
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    Generator,
+    Iterable,
+    List,
+    Optional,
+    Tuple,
+)
+
+from pip._internal.cli import cmdoptions
+from pip._internal.exceptions import InstallationError, RequirementsFileParseError
+from pip._internal.models.search_scope import SearchScope
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import raise_for_status
+from pip._internal.utils.encoding import auto_decode
+from pip._internal.utils.urls import get_url_scheme
+
+if TYPE_CHECKING:
+    # NoReturn introduced in 3.6.2; imported only for type checking to maintain
+    # pip compatibility with older patch versions of Python 3.6
+    from typing import NoReturn
+
+    from pip._internal.index.package_finder import PackageFinder
+
+__all__ = ["parse_requirements"]
+
+ReqFileLines = Iterable[Tuple[int, str]]
+
+LineParser = Callable[[str], Tuple[str, Values]]
+
+SCHEME_RE = re.compile(r"^(http|https|file):", re.I)
+COMMENT_RE = re.compile(r"(^|\s+)#.*$")
+
+# Matches environment variable-style values in '${MY_VARIABLE_1}' with the
+# variable name consisting of only uppercase letters, digits or the '_'
+# (underscore). This follows the POSIX standard defined in IEEE Std 1003.1,
+# 2013 Edition.
+ENV_VAR_RE = re.compile(r"(?P<var>\$\{(?P<name>[A-Z0-9_]+)\})")
+
+SUPPORTED_OPTIONS: List[Callable[..., optparse.Option]] = [
+    cmdoptions.index_url,
+    cmdoptions.extra_index_url,
+    cmdoptions.no_index,
+    cmdoptions.constraints,
+    cmdoptions.requirements,
+    cmdoptions.editable,
+    cmdoptions.find_links,
+    cmdoptions.no_binary,
+    cmdoptions.only_binary,
+    cmdoptions.prefer_binary,
+    cmdoptions.require_hashes,
+    cmdoptions.pre,
+    cmdoptions.trusted_host,
+    cmdoptions.use_new_feature,
+]
+
+# options to be passed to requirements
+SUPPORTED_OPTIONS_REQ: List[Callable[..., optparse.Option]] = [
+    cmdoptions.global_options,
+    cmdoptions.hash,
+    cmdoptions.config_settings,
+]
+
+SUPPORTED_OPTIONS_EDITABLE_REQ: List[Callable[..., optparse.Option]] = [
+    cmdoptions.config_settings,
+]
+
+
+# the 'dest' string values
+SUPPORTED_OPTIONS_REQ_DEST = [str(o().dest) for o in SUPPORTED_OPTIONS_REQ]
+SUPPORTED_OPTIONS_EDITABLE_REQ_DEST = [
+    str(o().dest) for o in SUPPORTED_OPTIONS_EDITABLE_REQ
+]
+
+logger = logging.getLogger(__name__)
+
+
+class ParsedRequirement:
+    def __init__(
+        self,
+        requirement: str,
+        is_editable: bool,
+        comes_from: str,
+        constraint: bool,
+        options: Optional[Dict[str, Any]] = None,
+        line_source: Optional[str] = None,
+    ) -> None:
+        self.requirement = requirement
+        self.is_editable = is_editable
+        self.comes_from = comes_from
+        self.options = options
+        self.constraint = constraint
+        self.line_source = line_source
+
+
+class ParsedLine:
+    def __init__(
+        self,
+        filename: str,
+        lineno: int,
+        args: str,
+        opts: Values,
+        constraint: bool,
+    ) -> None:
+        self.filename = filename
+        self.lineno = lineno
+        self.opts = opts
+        self.constraint = constraint
+
+        if args:
+            self.is_requirement = True
+            self.is_editable = False
+            self.requirement = args
+        elif opts.editables:
+            self.is_requirement = True
+            self.is_editable = True
+            # We don't support multiple -e on one line
+            self.requirement = opts.editables[0]
+        else:
+            self.is_requirement = False
+
+
+def parse_requirements(
+    filename: str,
+    session: PipSession,
+    finder: Optional["PackageFinder"] = None,
+    options: Optional[optparse.Values] = None,
+    constraint: bool = False,
+) -> Generator[ParsedRequirement, None, None]:
+    """Parse a requirements file and yield ParsedRequirement instances.
+
+    :param filename:    Path or url of requirements file.
+    :param session:     PipSession instance.
+    :param finder:      Instance of pip.index.PackageFinder.
+    :param options:     cli options.
+    :param constraint:  If true, parsing a constraint file rather than
+        requirements file.
+    """
+    line_parser = get_line_parser(finder)
+    parser = RequirementsFileParser(session, line_parser)
+
+    for parsed_line in parser.parse(filename, constraint):
+        parsed_req = handle_line(
+            parsed_line, options=options, finder=finder, session=session
+        )
+        if parsed_req is not None:
+            yield parsed_req
+
+
+def preprocess(content: str) -> ReqFileLines:
+    """Split, filter, and join lines, and return a line iterator
+
+    :param content: the content of the requirements file
+    """
+    lines_enum: ReqFileLines = enumerate(content.splitlines(), start=1)
+    lines_enum = join_lines(lines_enum)
+    lines_enum = ignore_comments(lines_enum)
+    lines_enum = expand_env_variables(lines_enum)
+    return lines_enum
+
+
+def handle_requirement_line(
+    line: ParsedLine,
+    options: Optional[optparse.Values] = None,
+) -> ParsedRequirement:
+    # preserve for the nested code path
+    line_comes_from = "{} {} (line {})".format(
+        "-c" if line.constraint else "-r",
+        line.filename,
+        line.lineno,
+    )
+
+    assert line.is_requirement
+
+    # get the options that apply to requirements
+    if line.is_editable:
+        supported_dest = SUPPORTED_OPTIONS_EDITABLE_REQ_DEST
+    else:
+        supported_dest = SUPPORTED_OPTIONS_REQ_DEST
+    req_options = {}
+    for dest in supported_dest:
+        if dest in line.opts.__dict__ and line.opts.__dict__[dest]:
+            req_options[dest] = line.opts.__dict__[dest]
+
+    line_source = f"line {line.lineno} of {line.filename}"
+    return ParsedRequirement(
+        requirement=line.requirement,
+        is_editable=line.is_editable,
+        comes_from=line_comes_from,
+        constraint=line.constraint,
+        options=req_options,
+        line_source=line_source,
+    )
+
+
+def handle_option_line(
+    opts: Values,
+    filename: str,
+    lineno: int,
+    finder: Optional["PackageFinder"] = None,
+    options: Optional[optparse.Values] = None,
+    session: Optional[PipSession] = None,
+) -> None:
+    if opts.hashes:
+        logger.warning(
+            "%s line %s has --hash but no requirement, and will be ignored.",
+            filename,
+            lineno,
+        )
+
+    if options:
+        # percolate options upward
+        if opts.require_hashes:
+            options.require_hashes = opts.require_hashes
+        if opts.features_enabled:
+            options.features_enabled.extend(
+                f for f in opts.features_enabled if f not in options.features_enabled
+            )
+
+    # set finder options
+    if finder:
+        find_links = finder.find_links
+        index_urls = finder.index_urls
+        no_index = finder.search_scope.no_index
+        if opts.no_index is True:
+            no_index = True
+            index_urls = []
+        if opts.index_url and not no_index:
+            index_urls = [opts.index_url]
+        if opts.extra_index_urls and not no_index:
+            index_urls.extend(opts.extra_index_urls)
+        if opts.find_links:
+            # FIXME: it would be nice to keep track of the source
+            # of the find_links: support a find-links local path
+            # relative to a requirements file.
+            value = opts.find_links[0]
+            req_dir = os.path.dirname(os.path.abspath(filename))
+            relative_to_reqs_file = os.path.join(req_dir, value)
+            if os.path.exists(relative_to_reqs_file):
+                value = relative_to_reqs_file
+            find_links.append(value)
+
+        if session:
+            # We need to update the auth urls in session
+            session.update_index_urls(index_urls)
+
+        search_scope = SearchScope(
+            find_links=find_links,
+            index_urls=index_urls,
+            no_index=no_index,
+        )
+        finder.search_scope = search_scope
+
+        if opts.pre:
+            finder.set_allow_all_prereleases()
+
+        if opts.prefer_binary:
+            finder.set_prefer_binary()
+
+        if session:
+            for host in opts.trusted_hosts or []:
+                source = f"line {lineno} of {filename}"
+                session.add_trusted_host(host, source=source)
+
+
+def handle_line(
+    line: ParsedLine,
+    options: Optional[optparse.Values] = None,
+    finder: Optional["PackageFinder"] = None,
+    session: Optional[PipSession] = None,
+) -> Optional[ParsedRequirement]:
+    """Handle a single parsed requirements line; This can result in
+    creating/yielding requirements, or updating the finder.
+
+    :param line:        The parsed line to be processed.
+    :param options:     CLI options.
+    :param finder:      The finder - updated by non-requirement lines.
+    :param session:     The session - updated by non-requirement lines.
+
+    Returns a ParsedRequirement object if the line is a requirement line,
+    otherwise returns None.
+
+    For lines that contain requirements, the only options that have an effect
+    are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
+    requirement. Other options from SUPPORTED_OPTIONS may be present, but are
+    ignored.
+
+    For lines that do not contain requirements, the only options that have an
+    effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
+    be present, but are ignored. These lines may contain multiple options
+    (although our docs imply only one is supported), and all our parsed and
+    affect the finder.
+    """
+
+    if line.is_requirement:
+        parsed_req = handle_requirement_line(line, options)
+        return parsed_req
+    else:
+        handle_option_line(
+            line.opts,
+            line.filename,
+            line.lineno,
+            finder,
+            options,
+            session,
+        )
+        return None
+
+
+class RequirementsFileParser:
+    def __init__(
+        self,
+        session: PipSession,
+        line_parser: LineParser,
+    ) -> None:
+        self._session = session
+        self._line_parser = line_parser
+
+    def parse(
+        self, filename: str, constraint: bool
+    ) -> Generator[ParsedLine, None, None]:
+        """Parse a given file, yielding parsed lines."""
+        yield from self._parse_and_recurse(filename, constraint)
+
+    def _parse_and_recurse(
+        self, filename: str, constraint: bool
+    ) -> Generator[ParsedLine, None, None]:
+        for line in self._parse_file(filename, constraint):
+            if not line.is_requirement and (
+                line.opts.requirements or line.opts.constraints
+            ):
+                # parse a nested requirements file
+                if line.opts.requirements:
+                    req_path = line.opts.requirements[0]
+                    nested_constraint = False
+                else:
+                    req_path = line.opts.constraints[0]
+                    nested_constraint = True
+
+                # original file is over http
+                if SCHEME_RE.search(filename):
+                    # do a url join so relative paths work
+                    req_path = urllib.parse.urljoin(filename, req_path)
+                # original file and nested file are paths
+                elif not SCHEME_RE.search(req_path):
+                    # do a join so relative paths work
+                    req_path = os.path.join(
+                        os.path.dirname(filename),
+                        req_path,
+                    )
+
+                yield from self._parse_and_recurse(req_path, nested_constraint)
+            else:
+                yield line
+
+    def _parse_file(
+        self, filename: str, constraint: bool
+    ) -> Generator[ParsedLine, None, None]:
+        _, content = get_file_content(filename, self._session)
+
+        lines_enum = preprocess(content)
+
+        for line_number, line in lines_enum:
+            try:
+                args_str, opts = self._line_parser(line)
+            except OptionParsingError as e:
+                # add offending line
+                msg = f"Invalid requirement: {line}\n{e.msg}"
+                raise RequirementsFileParseError(msg)
+
+            yield ParsedLine(
+                filename,
+                line_number,
+                args_str,
+                opts,
+                constraint,
+            )
+
+
+def get_line_parser(finder: Optional["PackageFinder"]) -> LineParser:
+    def parse_line(line: str) -> Tuple[str, Values]:
+        # Build new parser for each line since it accumulates appendable
+        # options.
+        parser = build_parser()
+        defaults = parser.get_default_values()
+        defaults.index_url = None
+        if finder:
+            defaults.format_control = finder.format_control
+
+        args_str, options_str = break_args_options(line)
+
+        try:
+            options = shlex.split(options_str)
+        except ValueError as e:
+            raise OptionParsingError(f"Could not split options: {options_str}") from e
+
+        opts, _ = parser.parse_args(options, defaults)
+
+        return args_str, opts
+
+    return parse_line
+
+
+def break_args_options(line: str) -> Tuple[str, str]:
+    """Break up the line into an args and options string.  We only want to shlex
+    (and then optparse) the options, not the args.  args can contain markers
+    which are corrupted by shlex.
+    """
+    tokens = line.split(" ")
+    args = []
+    options = tokens[:]
+    for token in tokens:
+        if token.startswith("-") or token.startswith("--"):
+            break
+        else:
+            args.append(token)
+            options.pop(0)
+    return " ".join(args), " ".join(options)
+
+
+class OptionParsingError(Exception):
+    def __init__(self, msg: str) -> None:
+        self.msg = msg
+
+
+def build_parser() -> optparse.OptionParser:
+    """
+    Return a parser for parsing requirement lines
+    """
+    parser = optparse.OptionParser(add_help_option=False)
+
+    option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ
+    for option_factory in option_factories:
+        option = option_factory()
+        parser.add_option(option)
+
+    # By default optparse sys.exits on parsing errors. We want to wrap
+    # that in our own exception.
+    def parser_exit(self: Any, msg: str) -> "NoReturn":
+        raise OptionParsingError(msg)
+
+    # NOTE: mypy disallows assigning to a method
+    #       https://github.com/python/mypy/issues/2427
+    parser.exit = parser_exit  # type: ignore
+
+    return parser
+
+
+def join_lines(lines_enum: ReqFileLines) -> ReqFileLines:
+    """Joins a line ending in '\' with the previous line (except when following
+    comments).  The joined line takes on the index of the first line.
+    """
+    primary_line_number = None
+    new_line: List[str] = []
+    for line_number, line in lines_enum:
+        if not line.endswith("\\") or COMMENT_RE.match(line):
+            if COMMENT_RE.match(line):
+                # this ensures comments are always matched later
+                line = " " + line
+            if new_line:
+                new_line.append(line)
+                assert primary_line_number is not None
+                yield primary_line_number, "".join(new_line)
+                new_line = []
+            else:
+                yield line_number, line
+        else:
+            if not new_line:
+                primary_line_number = line_number
+            new_line.append(line.strip("\\"))
+
+    # last line contains \
+    if new_line:
+        assert primary_line_number is not None
+        yield primary_line_number, "".join(new_line)
+
+    # TODO: handle space after '\'.
+
+
+def ignore_comments(lines_enum: ReqFileLines) -> ReqFileLines:
+    """
+    Strips comments and filter empty lines.
+    """
+    for line_number, line in lines_enum:
+        line = COMMENT_RE.sub("", line)
+        line = line.strip()
+        if line:
+            yield line_number, line
+
+
+def expand_env_variables(lines_enum: ReqFileLines) -> ReqFileLines:
+    """Replace all environment variables that can be retrieved via `os.getenv`.
+
+    The only allowed format for environment variables defined in the
+    requirement file is `${MY_VARIABLE_1}` to ensure two things:
+
+    1. Strings that contain a `$` aren't accidentally (partially) expanded.
+    2. Ensure consistency across platforms for requirement files.
+
+    These points are the result of a discussion on the `github pull
+    request #3514 <https://github.com/pypa/pip/pull/3514>`_.
+
+    Valid characters in variable names follow the `POSIX standard
+    <http://pubs.opengroup.org/onlinepubs/9699919799/>`_ and are limited
+    to uppercase letter, digits and the `_` (underscore).
+    """
+    for line_number, line in lines_enum:
+        for env_var, var_name in ENV_VAR_RE.findall(line):
+            value = os.getenv(var_name)
+            if not value:
+                continue
+
+            line = line.replace(env_var, value)
+
+        yield line_number, line
+
+
+def get_file_content(url: str, session: PipSession) -> Tuple[str, str]:
+    """Gets the content of a file; it may be a filename, file: URL, or
+    http: URL.  Returns (location, content).  Content is unicode.
+    Respects # -*- coding: declarations on the retrieved files.
+
+    :param url:         File path or url.
+    :param session:     PipSession instance.
+    """
+    scheme = get_url_scheme(url)
+
+    # Pip has special support for file:// URLs (LocalFSAdapter).
+    if scheme in ["http", "https", "file"]:
+        resp = session.get(url)
+        raise_for_status(resp)
+        return resp.url, resp.text
+
+    # Assume this is a bare path.
+    try:
+        with open(url, "rb") as f:
+            content = auto_decode(f.read())
+    except OSError as exc:
+        raise InstallationError(f"Could not open requirements file: {exc}")
+    return url, content
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_install.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_install.py
new file mode 100644
index 00000000..a65611c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_install.py
@@ -0,0 +1,923 @@
+import functools
+import logging
+import os
+import shutil
+import sys
+import uuid
+import zipfile
+from optparse import Values
+from pathlib import Path
+from typing import Any, Collection, Dict, Iterable, List, Optional, Sequence, Union
+
+from pip._vendor.packaging.markers import Marker
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.specifiers import SpecifierSet
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.packaging.version import Version
+from pip._vendor.packaging.version import parse as parse_version
+from pip._vendor.pyproject_hooks import BuildBackendHookCaller
+
+from pip._internal.build_env import BuildEnvironment, NoOpBuildEnvironment
+from pip._internal.exceptions import InstallationError, PreviousBuildDirError
+from pip._internal.locations import get_scheme
+from pip._internal.metadata import (
+    BaseDistribution,
+    get_default_environment,
+    get_directory_distribution,
+    get_wheel_distribution,
+)
+from pip._internal.metadata.base import FilesystemWheel
+from pip._internal.models.direct_url import DirectUrl
+from pip._internal.models.link import Link
+from pip._internal.operations.build.metadata import generate_metadata
+from pip._internal.operations.build.metadata_editable import generate_editable_metadata
+from pip._internal.operations.build.metadata_legacy import (
+    generate_metadata as generate_metadata_legacy,
+)
+from pip._internal.operations.install.editable_legacy import (
+    install_editable as install_editable_legacy,
+)
+from pip._internal.operations.install.wheel import install_wheel
+from pip._internal.pyproject import load_pyproject_toml, make_pyproject_path
+from pip._internal.req.req_uninstall import UninstallPathSet
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.hashes import Hashes
+from pip._internal.utils.misc import (
+    ConfiguredBuildBackendHookCaller,
+    ask_path_exists,
+    backup_dir,
+    display_path,
+    hide_url,
+    is_installable_dir,
+    redact_auth_from_requirement,
+    redact_auth_from_url,
+)
+from pip._internal.utils.packaging import safe_extra
+from pip._internal.utils.subprocess import runner_with_spinner_message
+from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
+from pip._internal.utils.unpacking import unpack_file
+from pip._internal.utils.virtualenv import running_under_virtualenv
+from pip._internal.vcs import vcs
+
+logger = logging.getLogger(__name__)
+
+
+class InstallRequirement:
+    """
+    Represents something that may be installed later on, may have information
+    about where to fetch the relevant requirement and also contains logic for
+    installing the said requirement.
+    """
+
+    def __init__(
+        self,
+        req: Optional[Requirement],
+        comes_from: Optional[Union[str, "InstallRequirement"]],
+        editable: bool = False,
+        link: Optional[Link] = None,
+        markers: Optional[Marker] = None,
+        use_pep517: Optional[bool] = None,
+        isolated: bool = False,
+        *,
+        global_options: Optional[List[str]] = None,
+        hash_options: Optional[Dict[str, List[str]]] = None,
+        config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+        constraint: bool = False,
+        extras: Collection[str] = (),
+        user_supplied: bool = False,
+        permit_editable_wheels: bool = False,
+    ) -> None:
+        assert req is None or isinstance(req, Requirement), req
+        self.req = req
+        self.comes_from = comes_from
+        self.constraint = constraint
+        self.editable = editable
+        self.permit_editable_wheels = permit_editable_wheels
+
+        # source_dir is the local directory where the linked requirement is
+        # located, or unpacked. In case unpacking is needed, creating and
+        # populating source_dir is done by the RequirementPreparer. Note this
+        # is not necessarily the directory where pyproject.toml or setup.py is
+        # located - that one is obtained via unpacked_source_directory.
+        self.source_dir: Optional[str] = None
+        if self.editable:
+            assert link
+            if link.is_file:
+                self.source_dir = os.path.normpath(os.path.abspath(link.file_path))
+
+        # original_link is the direct URL that was provided by the user for the
+        # requirement, either directly or via a constraints file.
+        if link is None and req and req.url:
+            # PEP 508 URL requirement
+            link = Link(req.url)
+        self.link = self.original_link = link
+
+        # When this InstallRequirement is a wheel obtained from the cache of locally
+        # built wheels, this is the source link corresponding to the cache entry, which
+        # was used to download and build the cached wheel.
+        self.cached_wheel_source_link: Optional[Link] = None
+
+        # Information about the location of the artifact that was downloaded . This
+        # property is guaranteed to be set in resolver results.
+        self.download_info: Optional[DirectUrl] = None
+
+        # Path to any downloaded or already-existing package.
+        self.local_file_path: Optional[str] = None
+        if self.link and self.link.is_file:
+            self.local_file_path = self.link.file_path
+
+        if extras:
+            self.extras = extras
+        elif req:
+            self.extras = req.extras
+        else:
+            self.extras = set()
+        if markers is None and req:
+            markers = req.marker
+        self.markers = markers
+
+        # This holds the Distribution object if this requirement is already installed.
+        self.satisfied_by: Optional[BaseDistribution] = None
+        # Whether the installation process should try to uninstall an existing
+        # distribution before installing this requirement.
+        self.should_reinstall = False
+        # Temporary build location
+        self._temp_build_dir: Optional[TempDirectory] = None
+        # Set to True after successful installation
+        self.install_succeeded: Optional[bool] = None
+        # Supplied options
+        self.global_options = global_options if global_options else []
+        self.hash_options = hash_options if hash_options else {}
+        self.config_settings = config_settings
+        # Set to True after successful preparation of this requirement
+        self.prepared = False
+        # User supplied requirement are explicitly requested for installation
+        # by the user via CLI arguments or requirements files, as opposed to,
+        # e.g. dependencies, extras or constraints.
+        self.user_supplied = user_supplied
+
+        self.isolated = isolated
+        self.build_env: BuildEnvironment = NoOpBuildEnvironment()
+
+        # For PEP 517, the directory where we request the project metadata
+        # gets stored. We need this to pass to build_wheel, so the backend
+        # can ensure that the wheel matches the metadata (see the PEP for
+        # details).
+        self.metadata_directory: Optional[str] = None
+
+        # The static build requirements (from pyproject.toml)
+        self.pyproject_requires: Optional[List[str]] = None
+
+        # Build requirements that we will check are available
+        self.requirements_to_check: List[str] = []
+
+        # The PEP 517 backend we should use to build the project
+        self.pep517_backend: Optional[BuildBackendHookCaller] = None
+
+        # Are we using PEP 517 for this requirement?
+        # After pyproject.toml has been loaded, the only valid values are True
+        # and False. Before loading, None is valid (meaning "use the default").
+        # Setting an explicit value before loading pyproject.toml is supported,
+        # but after loading this flag should be treated as read only.
+        self.use_pep517 = use_pep517
+
+        # If config settings are provided, enforce PEP 517.
+        if self.config_settings:
+            if self.use_pep517 is False:
+                logger.warning(
+                    "--no-use-pep517 ignored for %s "
+                    "because --config-settings are specified.",
+                    self,
+                )
+            self.use_pep517 = True
+
+        # This requirement needs more preparation before it can be built
+        self.needs_more_preparation = False
+
+        # This requirement needs to be unpacked before it can be installed.
+        self._archive_source: Optional[Path] = None
+
+    def __str__(self) -> str:
+        if self.req:
+            s = redact_auth_from_requirement(self.req)
+            if self.link:
+                s += f" from {redact_auth_from_url(self.link.url)}"
+        elif self.link:
+            s = redact_auth_from_url(self.link.url)
+        else:
+            s = "<InstallRequirement>"
+        if self.satisfied_by is not None:
+            if self.satisfied_by.location is not None:
+                location = display_path(self.satisfied_by.location)
+            else:
+                location = "<memory>"
+            s += f" in {location}"
+        if self.comes_from:
+            if isinstance(self.comes_from, str):
+                comes_from: Optional[str] = self.comes_from
+            else:
+                comes_from = self.comes_from.from_path()
+            if comes_from:
+                s += f" (from {comes_from})"
+        return s
+
+    def __repr__(self) -> str:
+        return "<{} object: {} editable={!r}>".format(
+            self.__class__.__name__, str(self), self.editable
+        )
+
+    def format_debug(self) -> str:
+        """An un-tested helper for getting state, for debugging."""
+        attributes = vars(self)
+        names = sorted(attributes)
+
+        state = (f"{attr}={attributes[attr]!r}" for attr in sorted(names))
+        return "<{name} object: {{{state}}}>".format(
+            name=self.__class__.__name__,
+            state=", ".join(state),
+        )
+
+    # Things that are valid for all kinds of requirements?
+    @property
+    def name(self) -> Optional[str]:
+        if self.req is None:
+            return None
+        return self.req.name
+
+    @functools.lru_cache()  # use cached_property in python 3.8+
+    def supports_pyproject_editable(self) -> bool:
+        if not self.use_pep517:
+            return False
+        assert self.pep517_backend
+        with self.build_env:
+            runner = runner_with_spinner_message(
+                "Checking if build backend supports build_editable"
+            )
+            with self.pep517_backend.subprocess_runner(runner):
+                return "build_editable" in self.pep517_backend._supported_features()
+
+    @property
+    def specifier(self) -> SpecifierSet:
+        assert self.req is not None
+        return self.req.specifier
+
+    @property
+    def is_direct(self) -> bool:
+        """Whether this requirement was specified as a direct URL."""
+        return self.original_link is not None
+
+    @property
+    def is_pinned(self) -> bool:
+        """Return whether I am pinned to an exact version.
+
+        For example, some-package==1.2 is pinned; some-package>1.2 is not.
+        """
+        assert self.req is not None
+        specifiers = self.req.specifier
+        return len(specifiers) == 1 and next(iter(specifiers)).operator in {"==", "==="}
+
+    def match_markers(self, extras_requested: Optional[Iterable[str]] = None) -> bool:
+        if not extras_requested:
+            # Provide an extra to safely evaluate the markers
+            # without matching any extra
+            extras_requested = ("",)
+        if self.markers is not None:
+            return any(
+                self.markers.evaluate({"extra": extra})
+                # TODO: Remove these two variants when packaging is upgraded to
+                # support the marker comparison logic specified in PEP 685.
+                or self.markers.evaluate({"extra": safe_extra(extra)})
+                or self.markers.evaluate({"extra": canonicalize_name(extra)})
+                for extra in extras_requested
+            )
+        else:
+            return True
+
+    @property
+    def has_hash_options(self) -> bool:
+        """Return whether any known-good hashes are specified as options.
+
+        These activate --require-hashes mode; hashes specified as part of a
+        URL do not.
+
+        """
+        return bool(self.hash_options)
+
+    def hashes(self, trust_internet: bool = True) -> Hashes:
+        """Return a hash-comparer that considers my option- and URL-based
+        hashes to be known-good.
+
+        Hashes in URLs--ones embedded in the requirements file, not ones
+        downloaded from an index server--are almost peers with ones from
+        flags. They satisfy --require-hashes (whether it was implicitly or
+        explicitly activated) but do not activate it. md5 and sha224 are not
+        allowed in flags, which should nudge people toward good algos. We
+        always OR all hashes together, even ones from URLs.
+
+        :param trust_internet: Whether to trust URL-based (#md5=...) hashes
+            downloaded from the internet, as by populate_link()
+
+        """
+        good_hashes = self.hash_options.copy()
+        if trust_internet:
+            link = self.link
+        elif self.is_direct and self.user_supplied:
+            link = self.original_link
+        else:
+            link = None
+        if link and link.hash:
+            assert link.hash_name is not None
+            good_hashes.setdefault(link.hash_name, []).append(link.hash)
+        return Hashes(good_hashes)
+
+    def from_path(self) -> Optional[str]:
+        """Format a nice indicator to show where this "comes from" """
+        if self.req is None:
+            return None
+        s = str(self.req)
+        if self.comes_from:
+            comes_from: Optional[str]
+            if isinstance(self.comes_from, str):
+                comes_from = self.comes_from
+            else:
+                comes_from = self.comes_from.from_path()
+            if comes_from:
+                s += "->" + comes_from
+        return s
+
+    def ensure_build_location(
+        self, build_dir: str, autodelete: bool, parallel_builds: bool
+    ) -> str:
+        assert build_dir is not None
+        if self._temp_build_dir is not None:
+            assert self._temp_build_dir.path
+            return self._temp_build_dir.path
+        if self.req is None:
+            # Some systems have /tmp as a symlink which confuses custom
+            # builds (such as numpy). Thus, we ensure that the real path
+            # is returned.
+            self._temp_build_dir = TempDirectory(
+                kind=tempdir_kinds.REQ_BUILD, globally_managed=True
+            )
+
+            return self._temp_build_dir.path
+
+        # This is the only remaining place where we manually determine the path
+        # for the temporary directory. It is only needed for editables where
+        # it is the value of the --src option.
+
+        # When parallel builds are enabled, add a UUID to the build directory
+        # name so multiple builds do not interfere with each other.
+        dir_name: str = canonicalize_name(self.req.name)
+        if parallel_builds:
+            dir_name = f"{dir_name}_{uuid.uuid4().hex}"
+
+        # FIXME: Is there a better place to create the build_dir? (hg and bzr
+        # need this)
+        if not os.path.exists(build_dir):
+            logger.debug("Creating directory %s", build_dir)
+            os.makedirs(build_dir)
+        actual_build_dir = os.path.join(build_dir, dir_name)
+        # `None` indicates that we respect the globally-configured deletion
+        # settings, which is what we actually want when auto-deleting.
+        delete_arg = None if autodelete else False
+        return TempDirectory(
+            path=actual_build_dir,
+            delete=delete_arg,
+            kind=tempdir_kinds.REQ_BUILD,
+            globally_managed=True,
+        ).path
+
+    def _set_requirement(self) -> None:
+        """Set requirement after generating metadata."""
+        assert self.req is None
+        assert self.metadata is not None
+        assert self.source_dir is not None
+
+        # Construct a Requirement object from the generated metadata
+        if isinstance(parse_version(self.metadata["Version"]), Version):
+            op = "=="
+        else:
+            op = "==="
+
+        self.req = Requirement(
+            "".join(
+                [
+                    self.metadata["Name"],
+                    op,
+                    self.metadata["Version"],
+                ]
+            )
+        )
+
+    def warn_on_mismatching_name(self) -> None:
+        assert self.req is not None
+        metadata_name = canonicalize_name(self.metadata["Name"])
+        if canonicalize_name(self.req.name) == metadata_name:
+            # Everything is fine.
+            return
+
+        # If we're here, there's a mismatch. Log a warning about it.
+        logger.warning(
+            "Generating metadata for package %s "
+            "produced metadata for project name %s. Fix your "
+            "#egg=%s fragments.",
+            self.name,
+            metadata_name,
+            self.name,
+        )
+        self.req = Requirement(metadata_name)
+
+    def check_if_exists(self, use_user_site: bool) -> None:
+        """Find an installed distribution that satisfies or conflicts
+        with this requirement, and set self.satisfied_by or
+        self.should_reinstall appropriately.
+        """
+        if self.req is None:
+            return
+        existing_dist = get_default_environment().get_distribution(self.req.name)
+        if not existing_dist:
+            return
+
+        version_compatible = self.req.specifier.contains(
+            existing_dist.version,
+            prereleases=True,
+        )
+        if not version_compatible:
+            self.satisfied_by = None
+            if use_user_site:
+                if existing_dist.in_usersite:
+                    self.should_reinstall = True
+                elif running_under_virtualenv() and existing_dist.in_site_packages:
+                    raise InstallationError(
+                        f"Will not install to the user site because it will "
+                        f"lack sys.path precedence to {existing_dist.raw_name} "
+                        f"in {existing_dist.location}"
+                    )
+            else:
+                self.should_reinstall = True
+        else:
+            if self.editable:
+                self.should_reinstall = True
+                # when installing editables, nothing pre-existing should ever
+                # satisfy
+                self.satisfied_by = None
+            else:
+                self.satisfied_by = existing_dist
+
+    # Things valid for wheels
+    @property
+    def is_wheel(self) -> bool:
+        if not self.link:
+            return False
+        return self.link.is_wheel
+
+    @property
+    def is_wheel_from_cache(self) -> bool:
+        # When True, it means that this InstallRequirement is a local wheel file in the
+        # cache of locally built wheels.
+        return self.cached_wheel_source_link is not None
+
+    # Things valid for sdists
+    @property
+    def unpacked_source_directory(self) -> str:
+        assert self.source_dir, f"No source dir for {self}"
+        return os.path.join(
+            self.source_dir, self.link and self.link.subdirectory_fragment or ""
+        )
+
+    @property
+    def setup_py_path(self) -> str:
+        assert self.source_dir, f"No source dir for {self}"
+        setup_py = os.path.join(self.unpacked_source_directory, "setup.py")
+
+        return setup_py
+
+    @property
+    def setup_cfg_path(self) -> str:
+        assert self.source_dir, f"No source dir for {self}"
+        setup_cfg = os.path.join(self.unpacked_source_directory, "setup.cfg")
+
+        return setup_cfg
+
+    @property
+    def pyproject_toml_path(self) -> str:
+        assert self.source_dir, f"No source dir for {self}"
+        return make_pyproject_path(self.unpacked_source_directory)
+
+    def load_pyproject_toml(self) -> None:
+        """Load the pyproject.toml file.
+
+        After calling this routine, all of the attributes related to PEP 517
+        processing for this requirement have been set. In particular, the
+        use_pep517 attribute can be used to determine whether we should
+        follow the PEP 517 or legacy (setup.py) code path.
+        """
+        pyproject_toml_data = load_pyproject_toml(
+            self.use_pep517, self.pyproject_toml_path, self.setup_py_path, str(self)
+        )
+
+        if pyproject_toml_data is None:
+            assert not self.config_settings
+            self.use_pep517 = False
+            return
+
+        self.use_pep517 = True
+        requires, backend, check, backend_path = pyproject_toml_data
+        self.requirements_to_check = check
+        self.pyproject_requires = requires
+        self.pep517_backend = ConfiguredBuildBackendHookCaller(
+            self,
+            self.unpacked_source_directory,
+            backend,
+            backend_path=backend_path,
+        )
+
+    def isolated_editable_sanity_check(self) -> None:
+        """Check that an editable requirement if valid for use with PEP 517/518.
+
+        This verifies that an editable that has a pyproject.toml either supports PEP 660
+        or as a setup.py or a setup.cfg
+        """
+        if (
+            self.editable
+            and self.use_pep517
+            and not self.supports_pyproject_editable()
+            and not os.path.isfile(self.setup_py_path)
+            and not os.path.isfile(self.setup_cfg_path)
+        ):
+            raise InstallationError(
+                f"Project {self} has a 'pyproject.toml' and its build "
+                f"backend is missing the 'build_editable' hook. Since it does not "
+                f"have a 'setup.py' nor a 'setup.cfg', "
+                f"it cannot be installed in editable mode. "
+                f"Consider using a build backend that supports PEP 660."
+            )
+
+    def prepare_metadata(self) -> None:
+        """Ensure that project metadata is available.
+
+        Under PEP 517 and PEP 660, call the backend hook to prepare the metadata.
+        Under legacy processing, call setup.py egg-info.
+        """
+        assert self.source_dir, f"No source dir for {self}"
+        details = self.name or f"from {self.link}"
+
+        if self.use_pep517:
+            assert self.pep517_backend is not None
+            if (
+                self.editable
+                and self.permit_editable_wheels
+                and self.supports_pyproject_editable()
+            ):
+                self.metadata_directory = generate_editable_metadata(
+                    build_env=self.build_env,
+                    backend=self.pep517_backend,
+                    details=details,
+                )
+            else:
+                self.metadata_directory = generate_metadata(
+                    build_env=self.build_env,
+                    backend=self.pep517_backend,
+                    details=details,
+                )
+        else:
+            self.metadata_directory = generate_metadata_legacy(
+                build_env=self.build_env,
+                setup_py_path=self.setup_py_path,
+                source_dir=self.unpacked_source_directory,
+                isolated=self.isolated,
+                details=details,
+            )
+
+        # Act on the newly generated metadata, based on the name and version.
+        if not self.name:
+            self._set_requirement()
+        else:
+            self.warn_on_mismatching_name()
+
+        self.assert_source_matches_version()
+
+    @property
+    def metadata(self) -> Any:
+        if not hasattr(self, "_metadata"):
+            self._metadata = self.get_dist().metadata
+
+        return self._metadata
+
+    def get_dist(self) -> BaseDistribution:
+        if self.metadata_directory:
+            return get_directory_distribution(self.metadata_directory)
+        elif self.local_file_path and self.is_wheel:
+            assert self.req is not None
+            return get_wheel_distribution(
+                FilesystemWheel(self.local_file_path),
+                canonicalize_name(self.req.name),
+            )
+        raise AssertionError(
+            f"InstallRequirement {self} has no metadata directory and no wheel: "
+            f"can't make a distribution."
+        )
+
+    def assert_source_matches_version(self) -> None:
+        assert self.source_dir, f"No source dir for {self}"
+        version = self.metadata["version"]
+        if self.req and self.req.specifier and version not in self.req.specifier:
+            logger.warning(
+                "Requested %s, but installing version %s",
+                self,
+                version,
+            )
+        else:
+            logger.debug(
+                "Source in %s has version %s, which satisfies requirement %s",
+                display_path(self.source_dir),
+                version,
+                self,
+            )
+
+    # For both source distributions and editables
+    def ensure_has_source_dir(
+        self,
+        parent_dir: str,
+        autodelete: bool = False,
+        parallel_builds: bool = False,
+    ) -> None:
+        """Ensure that a source_dir is set.
+
+        This will create a temporary build dir if the name of the requirement
+        isn't known yet.
+
+        :param parent_dir: The ideal pip parent_dir for the source_dir.
+            Generally src_dir for editables and build_dir for sdists.
+        :return: self.source_dir
+        """
+        if self.source_dir is None:
+            self.source_dir = self.ensure_build_location(
+                parent_dir,
+                autodelete=autodelete,
+                parallel_builds=parallel_builds,
+            )
+
+    def needs_unpacked_archive(self, archive_source: Path) -> None:
+        assert self._archive_source is None
+        self._archive_source = archive_source
+
+    def ensure_pristine_source_checkout(self) -> None:
+        """Ensure the source directory has not yet been built in."""
+        assert self.source_dir is not None
+        if self._archive_source is not None:
+            unpack_file(str(self._archive_source), self.source_dir)
+        elif is_installable_dir(self.source_dir):
+            # If a checkout exists, it's unwise to keep going.
+            # version inconsistencies are logged later, but do not fail
+            # the installation.
+            raise PreviousBuildDirError(
+                f"pip can't proceed with requirements '{self}' due to a "
+                f"pre-existing build directory ({self.source_dir}). This is likely "
+                "due to a previous installation that failed . pip is "
+                "being responsible and not assuming it can delete this. "
+                "Please delete it and try again."
+            )
+
+    # For editable installations
+    def update_editable(self) -> None:
+        if not self.link:
+            logger.debug(
+                "Cannot update repository at %s; repository location is unknown",
+                self.source_dir,
+            )
+            return
+        assert self.editable
+        assert self.source_dir
+        if self.link.scheme == "file":
+            # Static paths don't get updated
+            return
+        vcs_backend = vcs.get_backend_for_scheme(self.link.scheme)
+        # Editable requirements are validated in Requirement constructors.
+        # So here, if it's neither a path nor a valid VCS URL, it's a bug.
+        assert vcs_backend, f"Unsupported VCS URL {self.link.url}"
+        hidden_url = hide_url(self.link.url)
+        vcs_backend.obtain(self.source_dir, url=hidden_url, verbosity=0)
+
+    # Top-level Actions
+    def uninstall(
+        self, auto_confirm: bool = False, verbose: bool = False
+    ) -> Optional[UninstallPathSet]:
+        """
+        Uninstall the distribution currently satisfying this requirement.
+
+        Prompts before removing or modifying files unless
+        ``auto_confirm`` is True.
+
+        Refuses to delete or modify files outside of ``sys.prefix`` -
+        thus uninstallation within a virtual environment can only
+        modify that virtual environment, even if the virtualenv is
+        linked to global site-packages.
+
+        """
+        assert self.req
+        dist = get_default_environment().get_distribution(self.req.name)
+        if not dist:
+            logger.warning("Skipping %s as it is not installed.", self.name)
+            return None
+        logger.info("Found existing installation: %s", dist)
+
+        uninstalled_pathset = UninstallPathSet.from_dist(dist)
+        uninstalled_pathset.remove(auto_confirm, verbose)
+        return uninstalled_pathset
+
+    def _get_archive_name(self, path: str, parentdir: str, rootdir: str) -> str:
+        def _clean_zip_name(name: str, prefix: str) -> str:
+            assert name.startswith(
+                prefix + os.path.sep
+            ), f"name {name!r} doesn't start with prefix {prefix!r}"
+            name = name[len(prefix) + 1 :]
+            name = name.replace(os.path.sep, "/")
+            return name
+
+        assert self.req is not None
+        path = os.path.join(parentdir, path)
+        name = _clean_zip_name(path, rootdir)
+        return self.req.name + "/" + name
+
+    def archive(self, build_dir: Optional[str]) -> None:
+        """Saves archive to provided build_dir.
+
+        Used for saving downloaded VCS requirements as part of `pip download`.
+        """
+        assert self.source_dir
+        if build_dir is None:
+            return
+
+        create_archive = True
+        archive_name = "{}-{}.zip".format(self.name, self.metadata["version"])
+        archive_path = os.path.join(build_dir, archive_name)
+
+        if os.path.exists(archive_path):
+            response = ask_path_exists(
+                f"The file {display_path(archive_path)} exists. (i)gnore, (w)ipe, "
+                "(b)ackup, (a)bort ",
+                ("i", "w", "b", "a"),
+            )
+            if response == "i":
+                create_archive = False
+            elif response == "w":
+                logger.warning("Deleting %s", display_path(archive_path))
+                os.remove(archive_path)
+            elif response == "b":
+                dest_file = backup_dir(archive_path)
+                logger.warning(
+                    "Backing up %s to %s",
+                    display_path(archive_path),
+                    display_path(dest_file),
+                )
+                shutil.move(archive_path, dest_file)
+            elif response == "a":
+                sys.exit(-1)
+
+        if not create_archive:
+            return
+
+        zip_output = zipfile.ZipFile(
+            archive_path,
+            "w",
+            zipfile.ZIP_DEFLATED,
+            allowZip64=True,
+        )
+        with zip_output:
+            dir = os.path.normcase(os.path.abspath(self.unpacked_source_directory))
+            for dirpath, dirnames, filenames in os.walk(dir):
+                for dirname in dirnames:
+                    dir_arcname = self._get_archive_name(
+                        dirname,
+                        parentdir=dirpath,
+                        rootdir=dir,
+                    )
+                    zipdir = zipfile.ZipInfo(dir_arcname + "/")
+                    zipdir.external_attr = 0x1ED << 16  # 0o755
+                    zip_output.writestr(zipdir, "")
+                for filename in filenames:
+                    file_arcname = self._get_archive_name(
+                        filename,
+                        parentdir=dirpath,
+                        rootdir=dir,
+                    )
+                    filename = os.path.join(dirpath, filename)
+                    zip_output.write(filename, file_arcname)
+
+        logger.info("Saved %s", display_path(archive_path))
+
+    def install(
+        self,
+        global_options: Optional[Sequence[str]] = None,
+        root: Optional[str] = None,
+        home: Optional[str] = None,
+        prefix: Optional[str] = None,
+        warn_script_location: bool = True,
+        use_user_site: bool = False,
+        pycompile: bool = True,
+    ) -> None:
+        assert self.req is not None
+        scheme = get_scheme(
+            self.req.name,
+            user=use_user_site,
+            home=home,
+            root=root,
+            isolated=self.isolated,
+            prefix=prefix,
+        )
+
+        if self.editable and not self.is_wheel:
+            if self.config_settings:
+                logger.warning(
+                    "--config-settings ignored for legacy editable install of %s. "
+                    "Consider upgrading to a version of setuptools "
+                    "that supports PEP 660 (>= 64).",
+                    self,
+                )
+            install_editable_legacy(
+                global_options=global_options if global_options is not None else [],
+                prefix=prefix,
+                home=home,
+                use_user_site=use_user_site,
+                name=self.req.name,
+                setup_py_path=self.setup_py_path,
+                isolated=self.isolated,
+                build_env=self.build_env,
+                unpacked_source_directory=self.unpacked_source_directory,
+            )
+            self.install_succeeded = True
+            return
+
+        assert self.is_wheel
+        assert self.local_file_path
+
+        install_wheel(
+            self.req.name,
+            self.local_file_path,
+            scheme=scheme,
+            req_description=str(self.req),
+            pycompile=pycompile,
+            warn_script_location=warn_script_location,
+            direct_url=self.download_info if self.is_direct else None,
+            requested=self.user_supplied,
+        )
+        self.install_succeeded = True
+
+
+def check_invalid_constraint_type(req: InstallRequirement) -> str:
+    # Check for unsupported forms
+    problem = ""
+    if not req.name:
+        problem = "Unnamed requirements are not allowed as constraints"
+    elif req.editable:
+        problem = "Editable requirements are not allowed as constraints"
+    elif req.extras:
+        problem = "Constraints cannot have extras"
+
+    if problem:
+        deprecated(
+            reason=(
+                "Constraints are only allowed to take the form of a package "
+                "name and a version specifier. Other forms were originally "
+                "permitted as an accident of the implementation, but were "
+                "undocumented. The new implementation of the resolver no "
+                "longer supports these forms."
+            ),
+            replacement="replacing the constraint with a requirement",
+            # No plan yet for when the new resolver becomes default
+            gone_in=None,
+            issue=8210,
+        )
+
+    return problem
+
+
+def _has_option(options: Values, reqs: List[InstallRequirement], option: str) -> bool:
+    if getattr(options, option, None):
+        return True
+    for req in reqs:
+        if getattr(req, option, None):
+            return True
+    return False
+
+
+def check_legacy_setup_py_options(
+    options: Values,
+    reqs: List[InstallRequirement],
+) -> None:
+    has_build_options = _has_option(options, reqs, "build_options")
+    has_global_options = _has_option(options, reqs, "global_options")
+    if has_build_options or has_global_options:
+        deprecated(
+            reason="--build-option and --global-option are deprecated.",
+            issue=11859,
+            replacement="to use --config-settings",
+            gone_in="24.2",
+        )
+        logger.warning(
+            "Implying --no-binary=:all: due to the presence of "
+            "--build-option / --global-option. "
+        )
+        options.format_control.disallow_binaries()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_set.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_set.py
new file mode 100644
index 00000000..bf36114e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_set.py
@@ -0,0 +1,119 @@
+import logging
+from collections import OrderedDict
+from typing import Dict, List
+
+from pip._vendor.packaging.specifiers import LegacySpecifier
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.packaging.version import LegacyVersion
+
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.deprecation import deprecated
+
+logger = logging.getLogger(__name__)
+
+
+class RequirementSet:
+    def __init__(self, check_supported_wheels: bool = True) -> None:
+        """Create a RequirementSet."""
+
+        self.requirements: Dict[str, InstallRequirement] = OrderedDict()
+        self.check_supported_wheels = check_supported_wheels
+
+        self.unnamed_requirements: List[InstallRequirement] = []
+
+    def __str__(self) -> str:
+        requirements = sorted(
+            (req for req in self.requirements.values() if not req.comes_from),
+            key=lambda req: canonicalize_name(req.name or ""),
+        )
+        return " ".join(str(req.req) for req in requirements)
+
+    def __repr__(self) -> str:
+        requirements = sorted(
+            self.requirements.values(),
+            key=lambda req: canonicalize_name(req.name or ""),
+        )
+
+        format_string = "<{classname} object; {count} requirement(s): {reqs}>"
+        return format_string.format(
+            classname=self.__class__.__name__,
+            count=len(requirements),
+            reqs=", ".join(str(req.req) for req in requirements),
+        )
+
+    def add_unnamed_requirement(self, install_req: InstallRequirement) -> None:
+        assert not install_req.name
+        self.unnamed_requirements.append(install_req)
+
+    def add_named_requirement(self, install_req: InstallRequirement) -> None:
+        assert install_req.name
+
+        project_name = canonicalize_name(install_req.name)
+        self.requirements[project_name] = install_req
+
+    def has_requirement(self, name: str) -> bool:
+        project_name = canonicalize_name(name)
+
+        return (
+            project_name in self.requirements
+            and not self.requirements[project_name].constraint
+        )
+
+    def get_requirement(self, name: str) -> InstallRequirement:
+        project_name = canonicalize_name(name)
+
+        if project_name in self.requirements:
+            return self.requirements[project_name]
+
+        raise KeyError(f"No project with the name {name!r}")
+
+    @property
+    def all_requirements(self) -> List[InstallRequirement]:
+        return self.unnamed_requirements + list(self.requirements.values())
+
+    @property
+    def requirements_to_install(self) -> List[InstallRequirement]:
+        """Return the list of requirements that need to be installed.
+
+        TODO remove this property together with the legacy resolver, since the new
+             resolver only returns requirements that need to be installed.
+        """
+        return [
+            install_req
+            for install_req in self.all_requirements
+            if not install_req.constraint and not install_req.satisfied_by
+        ]
+
+    def warn_legacy_versions_and_specifiers(self) -> None:
+        for req in self.requirements_to_install:
+            version = req.get_dist().version
+            if isinstance(version, LegacyVersion):
+                deprecated(
+                    reason=(
+                        f"pip has selected the non standard version {version} "
+                        f"of {req}. In the future this version will be "
+                        f"ignored as it isn't standard compliant."
+                    ),
+                    replacement=(
+                        "set or update constraints to select another version "
+                        "or contact the package author to fix the version number"
+                    ),
+                    issue=12063,
+                    gone_in="24.1",
+                )
+            for dep in req.get_dist().iter_dependencies():
+                if any(isinstance(spec, LegacySpecifier) for spec in dep.specifier):
+                    deprecated(
+                        reason=(
+                            f"pip has selected {req} {version} which has non "
+                            f"standard dependency specifier {dep}. "
+                            f"In the future this version of {req} will be "
+                            f"ignored as it isn't standard compliant."
+                        ),
+                        replacement=(
+                            "set or update constraints to select another version "
+                            "or contact the package author to fix the version number"
+                        ),
+                        issue=12063,
+                        gone_in="24.1",
+                    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_uninstall.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_uninstall.py
new file mode 100644
index 00000000..707fde1b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/req/req_uninstall.py
@@ -0,0 +1,649 @@
+import functools
+import os
+import sys
+import sysconfig
+from importlib.util import cache_from_source
+from typing import Any, Callable, Dict, Generator, Iterable, List, Optional, Set, Tuple
+
+from pip._internal.exceptions import UninstallationError
+from pip._internal.locations import get_bin_prefix, get_bin_user
+from pip._internal.metadata import BaseDistribution
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.egg_link import egg_link_path_from_location
+from pip._internal.utils.logging import getLogger, indent_log
+from pip._internal.utils.misc import ask, normalize_path, renames, rmtree
+from pip._internal.utils.temp_dir import AdjacentTempDirectory, TempDirectory
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+logger = getLogger(__name__)
+
+
+def _script_names(
+    bin_dir: str, script_name: str, is_gui: bool
+) -> Generator[str, None, None]:
+    """Create the fully qualified name of the files created by
+    {console,gui}_scripts for the given ``dist``.
+    Returns the list of file names
+    """
+    exe_name = os.path.join(bin_dir, script_name)
+    yield exe_name
+    if not WINDOWS:
+        return
+    yield f"{exe_name}.exe"
+    yield f"{exe_name}.exe.manifest"
+    if is_gui:
+        yield f"{exe_name}-script.pyw"
+    else:
+        yield f"{exe_name}-script.py"
+
+
+def _unique(
+    fn: Callable[..., Generator[Any, None, None]]
+) -> Callable[..., Generator[Any, None, None]]:
+    @functools.wraps(fn)
+    def unique(*args: Any, **kw: Any) -> Generator[Any, None, None]:
+        seen: Set[Any] = set()
+        for item in fn(*args, **kw):
+            if item not in seen:
+                seen.add(item)
+                yield item
+
+    return unique
+
+
+@_unique
+def uninstallation_paths(dist: BaseDistribution) -> Generator[str, None, None]:
+    """
+    Yield all the uninstallation paths for dist based on RECORD-without-.py[co]
+
+    Yield paths to all the files in RECORD. For each .py file in RECORD, add
+    the .pyc and .pyo in the same directory.
+
+    UninstallPathSet.add() takes care of the __pycache__ .py[co].
+
+    If RECORD is not found, raises UninstallationError,
+    with possible information from the INSTALLER file.
+
+    https://packaging.python.org/specifications/recording-installed-packages/
+    """
+    location = dist.location
+    assert location is not None, "not installed"
+
+    entries = dist.iter_declared_entries()
+    if entries is None:
+        msg = f"Cannot uninstall {dist}, RECORD file not found."
+        installer = dist.installer
+        if not installer or installer == "pip":
+            dep = f"{dist.raw_name}=={dist.version}"
+            msg += (
+                " You might be able to recover from this via: "
+                f"'pip install --force-reinstall --no-deps {dep}'."
+            )
+        else:
+            msg += f" Hint: The package was installed by {installer}."
+        raise UninstallationError(msg)
+
+    for entry in entries:
+        path = os.path.join(location, entry)
+        yield path
+        if path.endswith(".py"):
+            dn, fn = os.path.split(path)
+            base = fn[:-3]
+            path = os.path.join(dn, base + ".pyc")
+            yield path
+            path = os.path.join(dn, base + ".pyo")
+            yield path
+
+
+def compact(paths: Iterable[str]) -> Set[str]:
+    """Compact a path set to contain the minimal number of paths
+    necessary to contain all paths in the set. If /a/path/ and
+    /a/path/to/a/file.txt are both in the set, leave only the
+    shorter path."""
+
+    sep = os.path.sep
+    short_paths: Set[str] = set()
+    for path in sorted(paths, key=len):
+        should_skip = any(
+            path.startswith(shortpath.rstrip("*"))
+            and path[len(shortpath.rstrip("*").rstrip(sep))] == sep
+            for shortpath in short_paths
+        )
+        if not should_skip:
+            short_paths.add(path)
+    return short_paths
+
+
+def compress_for_rename(paths: Iterable[str]) -> Set[str]:
+    """Returns a set containing the paths that need to be renamed.
+
+    This set may include directories when the original sequence of paths
+    included every file on disk.
+    """
+    case_map = {os.path.normcase(p): p for p in paths}
+    remaining = set(case_map)
+    unchecked = sorted({os.path.split(p)[0] for p in case_map.values()}, key=len)
+    wildcards: Set[str] = set()
+
+    def norm_join(*a: str) -> str:
+        return os.path.normcase(os.path.join(*a))
+
+    for root in unchecked:
+        if any(os.path.normcase(root).startswith(w) for w in wildcards):
+            # This directory has already been handled.
+            continue
+
+        all_files: Set[str] = set()
+        all_subdirs: Set[str] = set()
+        for dirname, subdirs, files in os.walk(root):
+            all_subdirs.update(norm_join(root, dirname, d) for d in subdirs)
+            all_files.update(norm_join(root, dirname, f) for f in files)
+        # If all the files we found are in our remaining set of files to
+        # remove, then remove them from the latter set and add a wildcard
+        # for the directory.
+        if not (all_files - remaining):
+            remaining.difference_update(all_files)
+            wildcards.add(root + os.sep)
+
+    return set(map(case_map.__getitem__, remaining)) | wildcards
+
+
+def compress_for_output_listing(paths: Iterable[str]) -> Tuple[Set[str], Set[str]]:
+    """Returns a tuple of 2 sets of which paths to display to user
+
+    The first set contains paths that would be deleted. Files of a package
+    are not added and the top-level directory of the package has a '*' added
+    at the end - to signify that all it's contents are removed.
+
+    The second set contains files that would have been skipped in the above
+    folders.
+    """
+
+    will_remove = set(paths)
+    will_skip = set()
+
+    # Determine folders and files
+    folders = set()
+    files = set()
+    for path in will_remove:
+        if path.endswith(".pyc"):
+            continue
+        if path.endswith("__init__.py") or ".dist-info" in path:
+            folders.add(os.path.dirname(path))
+        files.add(path)
+
+    _normcased_files = set(map(os.path.normcase, files))
+
+    folders = compact(folders)
+
+    # This walks the tree using os.walk to not miss extra folders
+    # that might get added.
+    for folder in folders:
+        for dirpath, _, dirfiles in os.walk(folder):
+            for fname in dirfiles:
+                if fname.endswith(".pyc"):
+                    continue
+
+                file_ = os.path.join(dirpath, fname)
+                if (
+                    os.path.isfile(file_)
+                    and os.path.normcase(file_) not in _normcased_files
+                ):
+                    # We are skipping this file. Add it to the set.
+                    will_skip.add(file_)
+
+    will_remove = files | {os.path.join(folder, "*") for folder in folders}
+
+    return will_remove, will_skip
+
+
+class StashedUninstallPathSet:
+    """A set of file rename operations to stash files while
+    tentatively uninstalling them."""
+
+    def __init__(self) -> None:
+        # Mapping from source file root to [Adjacent]TempDirectory
+        # for files under that directory.
+        self._save_dirs: Dict[str, TempDirectory] = {}
+        # (old path, new path) tuples for each move that may need
+        # to be undone.
+        self._moves: List[Tuple[str, str]] = []
+
+    def _get_directory_stash(self, path: str) -> str:
+        """Stashes a directory.
+
+        Directories are stashed adjacent to their original location if
+        possible, or else moved/copied into the user's temp dir."""
+
+        try:
+            save_dir: TempDirectory = AdjacentTempDirectory(path)
+        except OSError:
+            save_dir = TempDirectory(kind="uninstall")
+        self._save_dirs[os.path.normcase(path)] = save_dir
+
+        return save_dir.path
+
+    def _get_file_stash(self, path: str) -> str:
+        """Stashes a file.
+
+        If no root has been provided, one will be created for the directory
+        in the user's temp directory."""
+        path = os.path.normcase(path)
+        head, old_head = os.path.dirname(path), None
+        save_dir = None
+
+        while head != old_head:
+            try:
+                save_dir = self._save_dirs[head]
+                break
+            except KeyError:
+                pass
+            head, old_head = os.path.dirname(head), head
+        else:
+            # Did not find any suitable root
+            head = os.path.dirname(path)
+            save_dir = TempDirectory(kind="uninstall")
+            self._save_dirs[head] = save_dir
+
+        relpath = os.path.relpath(path, head)
+        if relpath and relpath != os.path.curdir:
+            return os.path.join(save_dir.path, relpath)
+        return save_dir.path
+
+    def stash(self, path: str) -> str:
+        """Stashes the directory or file and returns its new location.
+        Handle symlinks as files to avoid modifying the symlink targets.
+        """
+        path_is_dir = os.path.isdir(path) and not os.path.islink(path)
+        if path_is_dir:
+            new_path = self._get_directory_stash(path)
+        else:
+            new_path = self._get_file_stash(path)
+
+        self._moves.append((path, new_path))
+        if path_is_dir and os.path.isdir(new_path):
+            # If we're moving a directory, we need to
+            # remove the destination first or else it will be
+            # moved to inside the existing directory.
+            # We just created new_path ourselves, so it will
+            # be removable.
+            os.rmdir(new_path)
+        renames(path, new_path)
+        return new_path
+
+    def commit(self) -> None:
+        """Commits the uninstall by removing stashed files."""
+        for save_dir in self._save_dirs.values():
+            save_dir.cleanup()
+        self._moves = []
+        self._save_dirs = {}
+
+    def rollback(self) -> None:
+        """Undoes the uninstall by moving stashed files back."""
+        for p in self._moves:
+            logger.info("Moving to %s\n from %s", *p)
+
+        for new_path, path in self._moves:
+            try:
+                logger.debug("Replacing %s from %s", new_path, path)
+                if os.path.isfile(new_path) or os.path.islink(new_path):
+                    os.unlink(new_path)
+                elif os.path.isdir(new_path):
+                    rmtree(new_path)
+                renames(path, new_path)
+            except OSError as ex:
+                logger.error("Failed to restore %s", new_path)
+                logger.debug("Exception: %s", ex)
+
+        self.commit()
+
+    @property
+    def can_rollback(self) -> bool:
+        return bool(self._moves)
+
+
+class UninstallPathSet:
+    """A set of file paths to be removed in the uninstallation of a
+    requirement."""
+
+    def __init__(self, dist: BaseDistribution) -> None:
+        self._paths: Set[str] = set()
+        self._refuse: Set[str] = set()
+        self._pth: Dict[str, UninstallPthEntries] = {}
+        self._dist = dist
+        self._moved_paths = StashedUninstallPathSet()
+        # Create local cache of normalize_path results. Creating an UninstallPathSet
+        # can result in hundreds/thousands of redundant calls to normalize_path with
+        # the same args, which hurts performance.
+        self._normalize_path_cached = functools.lru_cache()(normalize_path)
+
+    def _permitted(self, path: str) -> bool:
+        """
+        Return True if the given path is one we are permitted to
+        remove/modify, False otherwise.
+
+        """
+        # aka is_local, but caching normalized sys.prefix
+        if not running_under_virtualenv():
+            return True
+        return path.startswith(self._normalize_path_cached(sys.prefix))
+
+    def add(self, path: str) -> None:
+        head, tail = os.path.split(path)
+
+        # we normalize the head to resolve parent directory symlinks, but not
+        # the tail, since we only want to uninstall symlinks, not their targets
+        path = os.path.join(self._normalize_path_cached(head), os.path.normcase(tail))
+
+        if not os.path.exists(path):
+            return
+        if self._permitted(path):
+            self._paths.add(path)
+        else:
+            self._refuse.add(path)
+
+        # __pycache__ files can show up after 'installed-files.txt' is created,
+        # due to imports
+        if os.path.splitext(path)[1] == ".py":
+            self.add(cache_from_source(path))
+
+    def add_pth(self, pth_file: str, entry: str) -> None:
+        pth_file = self._normalize_path_cached(pth_file)
+        if self._permitted(pth_file):
+            if pth_file not in self._pth:
+                self._pth[pth_file] = UninstallPthEntries(pth_file)
+            self._pth[pth_file].add(entry)
+        else:
+            self._refuse.add(pth_file)
+
+    def remove(self, auto_confirm: bool = False, verbose: bool = False) -> None:
+        """Remove paths in ``self._paths`` with confirmation (unless
+        ``auto_confirm`` is True)."""
+
+        if not self._paths:
+            logger.info(
+                "Can't uninstall '%s'. No files were found to uninstall.",
+                self._dist.raw_name,
+            )
+            return
+
+        dist_name_version = f"{self._dist.raw_name}-{self._dist.version}"
+        logger.info("Uninstalling %s:", dist_name_version)
+
+        with indent_log():
+            if auto_confirm or self._allowed_to_proceed(verbose):
+                moved = self._moved_paths
+
+                for_rename = compress_for_rename(self._paths)
+
+                for path in sorted(compact(for_rename)):
+                    moved.stash(path)
+                    logger.verbose("Removing file or directory %s", path)
+
+                for pth in self._pth.values():
+                    pth.remove()
+
+                logger.info("Successfully uninstalled %s", dist_name_version)
+
+    def _allowed_to_proceed(self, verbose: bool) -> bool:
+        """Display which files would be deleted and prompt for confirmation"""
+
+        def _display(msg: str, paths: Iterable[str]) -> None:
+            if not paths:
+                return
+
+            logger.info(msg)
+            with indent_log():
+                for path in sorted(compact(paths)):
+                    logger.info(path)
+
+        if not verbose:
+            will_remove, will_skip = compress_for_output_listing(self._paths)
+        else:
+            # In verbose mode, display all the files that are going to be
+            # deleted.
+            will_remove = set(self._paths)
+            will_skip = set()
+
+        _display("Would remove:", will_remove)
+        _display("Would not remove (might be manually added):", will_skip)
+        _display("Would not remove (outside of prefix):", self._refuse)
+        if verbose:
+            _display("Will actually move:", compress_for_rename(self._paths))
+
+        return ask("Proceed (Y/n)? ", ("y", "n", "")) != "n"
+
+    def rollback(self) -> None:
+        """Rollback the changes previously made by remove()."""
+        if not self._moved_paths.can_rollback:
+            logger.error(
+                "Can't roll back %s; was not uninstalled",
+                self._dist.raw_name,
+            )
+            return
+        logger.info("Rolling back uninstall of %s", self._dist.raw_name)
+        self._moved_paths.rollback()
+        for pth in self._pth.values():
+            pth.rollback()
+
+    def commit(self) -> None:
+        """Remove temporary save dir: rollback will no longer be possible."""
+        self._moved_paths.commit()
+
+    @classmethod
+    def from_dist(cls, dist: BaseDistribution) -> "UninstallPathSet":
+        dist_location = dist.location
+        info_location = dist.info_location
+        if dist_location is None:
+            logger.info(
+                "Not uninstalling %s since it is not installed",
+                dist.canonical_name,
+            )
+            return cls(dist)
+
+        normalized_dist_location = normalize_path(dist_location)
+        if not dist.local:
+            logger.info(
+                "Not uninstalling %s at %s, outside environment %s",
+                dist.canonical_name,
+                normalized_dist_location,
+                sys.prefix,
+            )
+            return cls(dist)
+
+        if normalized_dist_location in {
+            p
+            for p in {sysconfig.get_path("stdlib"), sysconfig.get_path("platstdlib")}
+            if p
+        }:
+            logger.info(
+                "Not uninstalling %s at %s, as it is in the standard library.",
+                dist.canonical_name,
+                normalized_dist_location,
+            )
+            return cls(dist)
+
+        paths_to_remove = cls(dist)
+        develop_egg_link = egg_link_path_from_location(dist.raw_name)
+
+        # Distribution is installed with metadata in a "flat" .egg-info
+        # directory. This means it is not a modern .dist-info installation, an
+        # egg, or legacy editable.
+        setuptools_flat_installation = (
+            dist.installed_with_setuptools_egg_info
+            and info_location is not None
+            and os.path.exists(info_location)
+            # If dist is editable and the location points to a ``.egg-info``,
+            # we are in fact in the legacy editable case.
+            and not info_location.endswith(f"{dist.setuptools_filename}.egg-info")
+        )
+
+        # Uninstall cases order do matter as in the case of 2 installs of the
+        # same package, pip needs to uninstall the currently detected version
+        if setuptools_flat_installation:
+            if info_location is not None:
+                paths_to_remove.add(info_location)
+            installed_files = dist.iter_declared_entries()
+            if installed_files is not None:
+                for installed_file in installed_files:
+                    paths_to_remove.add(os.path.join(dist_location, installed_file))
+            # FIXME: need a test for this elif block
+            # occurs with --single-version-externally-managed/--record outside
+            # of pip
+            elif dist.is_file("top_level.txt"):
+                try:
+                    namespace_packages = dist.read_text("namespace_packages.txt")
+                except FileNotFoundError:
+                    namespaces = []
+                else:
+                    namespaces = namespace_packages.splitlines(keepends=False)
+                for top_level_pkg in [
+                    p
+                    for p in dist.read_text("top_level.txt").splitlines()
+                    if p and p not in namespaces
+                ]:
+                    path = os.path.join(dist_location, top_level_pkg)
+                    paths_to_remove.add(path)
+                    paths_to_remove.add(f"{path}.py")
+                    paths_to_remove.add(f"{path}.pyc")
+                    paths_to_remove.add(f"{path}.pyo")
+
+        elif dist.installed_by_distutils:
+            raise UninstallationError(
+                "Cannot uninstall {!r}. It is a distutils installed project "
+                "and thus we cannot accurately determine which files belong "
+                "to it which would lead to only a partial uninstall.".format(
+                    dist.raw_name,
+                )
+            )
+
+        elif dist.installed_as_egg:
+            # package installed by easy_install
+            # We cannot match on dist.egg_name because it can slightly vary
+            # i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg
+            paths_to_remove.add(dist_location)
+            easy_install_egg = os.path.split(dist_location)[1]
+            easy_install_pth = os.path.join(
+                os.path.dirname(dist_location),
+                "easy-install.pth",
+            )
+            paths_to_remove.add_pth(easy_install_pth, "./" + easy_install_egg)
+
+        elif dist.installed_with_dist_info:
+            for path in uninstallation_paths(dist):
+                paths_to_remove.add(path)
+
+        elif develop_egg_link:
+            # PEP 660 modern editable is handled in the ``.dist-info`` case
+            # above, so this only covers the setuptools-style editable.
+            with open(develop_egg_link) as fh:
+                link_pointer = os.path.normcase(fh.readline().strip())
+                normalized_link_pointer = paths_to_remove._normalize_path_cached(
+                    link_pointer
+                )
+            assert os.path.samefile(
+                normalized_link_pointer, normalized_dist_location
+            ), (
+                f"Egg-link {develop_egg_link} (to {link_pointer}) does not match "
+                f"installed location of {dist.raw_name} (at {dist_location})"
+            )
+            paths_to_remove.add(develop_egg_link)
+            easy_install_pth = os.path.join(
+                os.path.dirname(develop_egg_link), "easy-install.pth"
+            )
+            paths_to_remove.add_pth(easy_install_pth, dist_location)
+
+        else:
+            logger.debug(
+                "Not sure how to uninstall: %s - Check: %s",
+                dist,
+                dist_location,
+            )
+
+        if dist.in_usersite:
+            bin_dir = get_bin_user()
+        else:
+            bin_dir = get_bin_prefix()
+
+        # find distutils scripts= scripts
+        try:
+            for script in dist.iter_distutils_script_names():
+                paths_to_remove.add(os.path.join(bin_dir, script))
+                if WINDOWS:
+                    paths_to_remove.add(os.path.join(bin_dir, f"{script}.bat"))
+        except (FileNotFoundError, NotADirectoryError):
+            pass
+
+        # find console_scripts and gui_scripts
+        def iter_scripts_to_remove(
+            dist: BaseDistribution,
+            bin_dir: str,
+        ) -> Generator[str, None, None]:
+            for entry_point in dist.iter_entry_points():
+                if entry_point.group == "console_scripts":
+                    yield from _script_names(bin_dir, entry_point.name, False)
+                elif entry_point.group == "gui_scripts":
+                    yield from _script_names(bin_dir, entry_point.name, True)
+
+        for s in iter_scripts_to_remove(dist, bin_dir):
+            paths_to_remove.add(s)
+
+        return paths_to_remove
+
+
+class UninstallPthEntries:
+    def __init__(self, pth_file: str) -> None:
+        self.file = pth_file
+        self.entries: Set[str] = set()
+        self._saved_lines: Optional[List[bytes]] = None
+
+    def add(self, entry: str) -> None:
+        entry = os.path.normcase(entry)
+        # On Windows, os.path.normcase converts the entry to use
+        # backslashes.  This is correct for entries that describe absolute
+        # paths outside of site-packages, but all the others use forward
+        # slashes.
+        # os.path.splitdrive is used instead of os.path.isabs because isabs
+        # treats non-absolute paths with drive letter markings like c:foo\bar
+        # as absolute paths. It also does not recognize UNC paths if they don't
+        # have more than "\\sever\share". Valid examples: "\\server\share\" or
+        # "\\server\share\folder".
+        if WINDOWS and not os.path.splitdrive(entry)[0]:
+            entry = entry.replace("\\", "/")
+        self.entries.add(entry)
+
+    def remove(self) -> None:
+        logger.verbose("Removing pth entries from %s:", self.file)
+
+        # If the file doesn't exist, log a warning and return
+        if not os.path.isfile(self.file):
+            logger.warning("Cannot remove entries from nonexistent file %s", self.file)
+            return
+        with open(self.file, "rb") as fh:
+            # windows uses '\r\n' with py3k, but uses '\n' with py2.x
+            lines = fh.readlines()
+            self._saved_lines = lines
+        if any(b"\r\n" in line for line in lines):
+            endline = "\r\n"
+        else:
+            endline = "\n"
+        # handle missing trailing newline
+        if lines and not lines[-1].endswith(endline.encode("utf-8")):
+            lines[-1] = lines[-1] + endline.encode("utf-8")
+        for entry in self.entries:
+            try:
+                logger.verbose("Removing entry: %s", entry)
+                lines.remove((entry + endline).encode("utf-8"))
+            except ValueError:
+                pass
+        with open(self.file, "wb") as fh:
+            fh.writelines(lines)
+
+    def rollback(self) -> bool:
+        if self._saved_lines is None:
+            logger.error("Cannot roll back changes to %s, none were made", self.file)
+            return False
+        logger.debug("Rolling %s back to previous state", self.file)
+        with open(self.file, "wb") as fh:
+            fh.writelines(self._saved_lines)
+        return True
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/__pycache__/base.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/__pycache__/base.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/base.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/base.py
new file mode 100644
index 00000000..42dade18
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/base.py
@@ -0,0 +1,20 @@
+from typing import Callable, List, Optional
+
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_set import RequirementSet
+
+InstallRequirementProvider = Callable[
+    [str, Optional[InstallRequirement]], InstallRequirement
+]
+
+
+class BaseResolver:
+    def resolve(
+        self, root_reqs: List[InstallRequirement], check_supported_wheels: bool
+    ) -> RequirementSet:
+        raise NotImplementedError()
+
+    def get_installation_order(
+        self, req_set: RequirementSet
+    ) -> List[InstallRequirement]:
+        raise NotImplementedError()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/legacy/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/legacy/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/legacy/__pycache__/resolver.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/legacy/__pycache__/resolver.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py
new file mode 100644
index 00000000..5ddb848a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py
@@ -0,0 +1,598 @@
+"""Dependency Resolution
+
+The dependency resolution in pip is performed as follows:
+
+for top-level requirements:
+    a. only one spec allowed per project, regardless of conflicts or not.
+       otherwise a "double requirement" exception is raised
+    b. they override sub-dependency requirements.
+for sub-dependencies
+    a. "first found, wins" (where the order is breadth first)
+"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import logging
+import sys
+from collections import defaultdict
+from itertools import chain
+from typing import DefaultDict, Iterable, List, Optional, Set, Tuple
+
+from pip._vendor.packaging import specifiers
+from pip._vendor.packaging.requirements import Requirement
+
+from pip._internal.cache import WheelCache
+from pip._internal.exceptions import (
+    BestVersionAlreadyInstalled,
+    DistributionNotFound,
+    HashError,
+    HashErrors,
+    InstallationError,
+    NoneMetadataError,
+    UnsupportedPythonVersion,
+)
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.req_install import (
+    InstallRequirement,
+    check_invalid_constraint_type,
+)
+from pip._internal.req.req_set import RequirementSet
+from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider
+from pip._internal.utils import compatibility_tags
+from pip._internal.utils.compatibility_tags import get_supported
+from pip._internal.utils.direct_url_helpers import direct_url_from_link
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import normalize_version_info
+from pip._internal.utils.packaging import check_requires_python
+
+logger = logging.getLogger(__name__)
+
+DiscoveredDependencies = DefaultDict[str, List[InstallRequirement]]
+
+
+def _check_dist_requires_python(
+    dist: BaseDistribution,
+    version_info: Tuple[int, int, int],
+    ignore_requires_python: bool = False,
+) -> None:
+    """
+    Check whether the given Python version is compatible with a distribution's
+    "Requires-Python" value.
+
+    :param version_info: A 3-tuple of ints representing the Python
+        major-minor-micro version to check.
+    :param ignore_requires_python: Whether to ignore the "Requires-Python"
+        value if the given Python version isn't compatible.
+
+    :raises UnsupportedPythonVersion: When the given Python version isn't
+        compatible.
+    """
+    # This idiosyncratically converts the SpecifierSet to str and let
+    # check_requires_python then parse it again into SpecifierSet. But this
+    # is the legacy resolver so I'm just not going to bother refactoring.
+    try:
+        requires_python = str(dist.requires_python)
+    except FileNotFoundError as e:
+        raise NoneMetadataError(dist, str(e))
+    try:
+        is_compatible = check_requires_python(
+            requires_python,
+            version_info=version_info,
+        )
+    except specifiers.InvalidSpecifier as exc:
+        logger.warning(
+            "Package %r has an invalid Requires-Python: %s", dist.raw_name, exc
+        )
+        return
+
+    if is_compatible:
+        return
+
+    version = ".".join(map(str, version_info))
+    if ignore_requires_python:
+        logger.debug(
+            "Ignoring failed Requires-Python check for package %r: %s not in %r",
+            dist.raw_name,
+            version,
+            requires_python,
+        )
+        return
+
+    raise UnsupportedPythonVersion(
+        "Package {!r} requires a different Python: {} not in {!r}".format(
+            dist.raw_name, version, requires_python
+        )
+    )
+
+
+class Resolver(BaseResolver):
+    """Resolves which packages need to be installed/uninstalled to perform \
+    the requested operation without breaking the requirements of any package.
+    """
+
+    _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"}
+
+    def __init__(
+        self,
+        preparer: RequirementPreparer,
+        finder: PackageFinder,
+        wheel_cache: Optional[WheelCache],
+        make_install_req: InstallRequirementProvider,
+        use_user_site: bool,
+        ignore_dependencies: bool,
+        ignore_installed: bool,
+        ignore_requires_python: bool,
+        force_reinstall: bool,
+        upgrade_strategy: str,
+        py_version_info: Optional[Tuple[int, ...]] = None,
+    ) -> None:
+        super().__init__()
+        assert upgrade_strategy in self._allowed_strategies
+
+        if py_version_info is None:
+            py_version_info = sys.version_info[:3]
+        else:
+            py_version_info = normalize_version_info(py_version_info)
+
+        self._py_version_info = py_version_info
+
+        self.preparer = preparer
+        self.finder = finder
+        self.wheel_cache = wheel_cache
+
+        self.upgrade_strategy = upgrade_strategy
+        self.force_reinstall = force_reinstall
+        self.ignore_dependencies = ignore_dependencies
+        self.ignore_installed = ignore_installed
+        self.ignore_requires_python = ignore_requires_python
+        self.use_user_site = use_user_site
+        self._make_install_req = make_install_req
+
+        self._discovered_dependencies: DiscoveredDependencies = defaultdict(list)
+
+    def resolve(
+        self, root_reqs: List[InstallRequirement], check_supported_wheels: bool
+    ) -> RequirementSet:
+        """Resolve what operations need to be done
+
+        As a side-effect of this method, the packages (and their dependencies)
+        are downloaded, unpacked and prepared for installation. This
+        preparation is done by ``pip.operations.prepare``.
+
+        Once PyPI has static dependency metadata available, it would be
+        possible to move the preparation to become a step separated from
+        dependency resolution.
+        """
+        requirement_set = RequirementSet(check_supported_wheels=check_supported_wheels)
+        for req in root_reqs:
+            if req.constraint:
+                check_invalid_constraint_type(req)
+            self._add_requirement_to_set(requirement_set, req)
+
+        # Actually prepare the files, and collect any exceptions. Most hash
+        # exceptions cannot be checked ahead of time, because
+        # _populate_link() needs to be called before we can make decisions
+        # based on link type.
+        discovered_reqs: List[InstallRequirement] = []
+        hash_errors = HashErrors()
+        for req in chain(requirement_set.all_requirements, discovered_reqs):
+            try:
+                discovered_reqs.extend(self._resolve_one(requirement_set, req))
+            except HashError as exc:
+                exc.req = req
+                hash_errors.append(exc)
+
+        if hash_errors:
+            raise hash_errors
+
+        return requirement_set
+
+    def _add_requirement_to_set(
+        self,
+        requirement_set: RequirementSet,
+        install_req: InstallRequirement,
+        parent_req_name: Optional[str] = None,
+        extras_requested: Optional[Iterable[str]] = None,
+    ) -> Tuple[List[InstallRequirement], Optional[InstallRequirement]]:
+        """Add install_req as a requirement to install.
+
+        :param parent_req_name: The name of the requirement that needed this
+            added. The name is used because when multiple unnamed requirements
+            resolve to the same name, we could otherwise end up with dependency
+            links that point outside the Requirements set. parent_req must
+            already be added. Note that None implies that this is a user
+            supplied requirement, vs an inferred one.
+        :param extras_requested: an iterable of extras used to evaluate the
+            environment markers.
+        :return: Additional requirements to scan. That is either [] if
+            the requirement is not applicable, or [install_req] if the
+            requirement is applicable and has just been added.
+        """
+        # If the markers do not match, ignore this requirement.
+        if not install_req.match_markers(extras_requested):
+            logger.info(
+                "Ignoring %s: markers '%s' don't match your environment",
+                install_req.name,
+                install_req.markers,
+            )
+            return [], None
+
+        # If the wheel is not supported, raise an error.
+        # Should check this after filtering out based on environment markers to
+        # allow specifying different wheels based on the environment/OS, in a
+        # single requirements file.
+        if install_req.link and install_req.link.is_wheel:
+            wheel = Wheel(install_req.link.filename)
+            tags = compatibility_tags.get_supported()
+            if requirement_set.check_supported_wheels and not wheel.supported(tags):
+                raise InstallationError(
+                    f"{wheel.filename} is not a supported wheel on this platform."
+                )
+
+        # This next bit is really a sanity check.
+        assert (
+            not install_req.user_supplied or parent_req_name is None
+        ), "a user supplied req shouldn't have a parent"
+
+        # Unnamed requirements are scanned again and the requirement won't be
+        # added as a dependency until after scanning.
+        if not install_req.name:
+            requirement_set.add_unnamed_requirement(install_req)
+            return [install_req], None
+
+        try:
+            existing_req: Optional[
+                InstallRequirement
+            ] = requirement_set.get_requirement(install_req.name)
+        except KeyError:
+            existing_req = None
+
+        has_conflicting_requirement = (
+            parent_req_name is None
+            and existing_req
+            and not existing_req.constraint
+            and existing_req.extras == install_req.extras
+            and existing_req.req
+            and install_req.req
+            and existing_req.req.specifier != install_req.req.specifier
+        )
+        if has_conflicting_requirement:
+            raise InstallationError(
+                "Double requirement given: {} (already in {}, name={!r})".format(
+                    install_req, existing_req, install_req.name
+                )
+            )
+
+        # When no existing requirement exists, add the requirement as a
+        # dependency and it will be scanned again after.
+        if not existing_req:
+            requirement_set.add_named_requirement(install_req)
+            # We'd want to rescan this requirement later
+            return [install_req], install_req
+
+        # Assume there's no need to scan, and that we've already
+        # encountered this for scanning.
+        if install_req.constraint or not existing_req.constraint:
+            return [], existing_req
+
+        does_not_satisfy_constraint = install_req.link and not (
+            existing_req.link and install_req.link.path == existing_req.link.path
+        )
+        if does_not_satisfy_constraint:
+            raise InstallationError(
+                f"Could not satisfy constraints for '{install_req.name}': "
+                "installation from path or url cannot be "
+                "constrained to a version"
+            )
+        # If we're now installing a constraint, mark the existing
+        # object for real installation.
+        existing_req.constraint = False
+        # If we're now installing a user supplied requirement,
+        # mark the existing object as such.
+        if install_req.user_supplied:
+            existing_req.user_supplied = True
+        existing_req.extras = tuple(
+            sorted(set(existing_req.extras) | set(install_req.extras))
+        )
+        logger.debug(
+            "Setting %s extras to: %s",
+            existing_req,
+            existing_req.extras,
+        )
+        # Return the existing requirement for addition to the parent and
+        # scanning again.
+        return [existing_req], existing_req
+
+    def _is_upgrade_allowed(self, req: InstallRequirement) -> bool:
+        if self.upgrade_strategy == "to-satisfy-only":
+            return False
+        elif self.upgrade_strategy == "eager":
+            return True
+        else:
+            assert self.upgrade_strategy == "only-if-needed"
+            return req.user_supplied or req.constraint
+
+    def _set_req_to_reinstall(self, req: InstallRequirement) -> None:
+        """
+        Set a requirement to be installed.
+        """
+        # Don't uninstall the conflict if doing a user install and the
+        # conflict is not a user install.
+        if not self.use_user_site or req.satisfied_by.in_usersite:
+            req.should_reinstall = True
+        req.satisfied_by = None
+
+    def _check_skip_installed(
+        self, req_to_install: InstallRequirement
+    ) -> Optional[str]:
+        """Check if req_to_install should be skipped.
+
+        This will check if the req is installed, and whether we should upgrade
+        or reinstall it, taking into account all the relevant user options.
+
+        After calling this req_to_install will only have satisfied_by set to
+        None if the req_to_install is to be upgraded/reinstalled etc. Any
+        other value will be a dist recording the current thing installed that
+        satisfies the requirement.
+
+        Note that for vcs urls and the like we can't assess skipping in this
+        routine - we simply identify that we need to pull the thing down,
+        then later on it is pulled down and introspected to assess upgrade/
+        reinstalls etc.
+
+        :return: A text reason for why it was skipped, or None.
+        """
+        if self.ignore_installed:
+            return None
+
+        req_to_install.check_if_exists(self.use_user_site)
+        if not req_to_install.satisfied_by:
+            return None
+
+        if self.force_reinstall:
+            self._set_req_to_reinstall(req_to_install)
+            return None
+
+        if not self._is_upgrade_allowed(req_to_install):
+            if self.upgrade_strategy == "only-if-needed":
+                return "already satisfied, skipping upgrade"
+            return "already satisfied"
+
+        # Check for the possibility of an upgrade.  For link-based
+        # requirements we have to pull the tree down and inspect to assess
+        # the version #, so it's handled way down.
+        if not req_to_install.link:
+            try:
+                self.finder.find_requirement(req_to_install, upgrade=True)
+            except BestVersionAlreadyInstalled:
+                # Then the best version is installed.
+                return "already up-to-date"
+            except DistributionNotFound:
+                # No distribution found, so we squash the error.  It will
+                # be raised later when we re-try later to do the install.
+                # Why don't we just raise here?
+                pass
+
+        self._set_req_to_reinstall(req_to_install)
+        return None
+
+    def _find_requirement_link(self, req: InstallRequirement) -> Optional[Link]:
+        upgrade = self._is_upgrade_allowed(req)
+        best_candidate = self.finder.find_requirement(req, upgrade)
+        if not best_candidate:
+            return None
+
+        # Log a warning per PEP 592 if necessary before returning.
+        link = best_candidate.link
+        if link.is_yanked:
+            reason = link.yanked_reason or "<none given>"
+            msg = (
+                # Mark this as a unicode string to prevent
+                # "UnicodeEncodeError: 'ascii' codec can't encode character"
+                # in Python 2 when the reason contains non-ascii characters.
+                "The candidate selected for download or install is a "
+                f"yanked version: {best_candidate}\n"
+                f"Reason for being yanked: {reason}"
+            )
+            logger.warning(msg)
+
+        return link
+
+    def _populate_link(self, req: InstallRequirement) -> None:
+        """Ensure that if a link can be found for this, that it is found.
+
+        Note that req.link may still be None - if the requirement is already
+        installed and not needed to be upgraded based on the return value of
+        _is_upgrade_allowed().
+
+        If preparer.require_hashes is True, don't use the wheel cache, because
+        cached wheels, always built locally, have different hashes than the
+        files downloaded from the index server and thus throw false hash
+        mismatches. Furthermore, cached wheels at present have undeterministic
+        contents due to file modification times.
+        """
+        if req.link is None:
+            req.link = self._find_requirement_link(req)
+
+        if self.wheel_cache is None or self.preparer.require_hashes:
+            return
+        cache_entry = self.wheel_cache.get_cache_entry(
+            link=req.link,
+            package_name=req.name,
+            supported_tags=get_supported(),
+        )
+        if cache_entry is not None:
+            logger.debug("Using cached wheel link: %s", cache_entry.link)
+            if req.link is req.original_link and cache_entry.persistent:
+                req.cached_wheel_source_link = req.link
+            if cache_entry.origin is not None:
+                req.download_info = cache_entry.origin
+            else:
+                # Legacy cache entry that does not have origin.json.
+                # download_info may miss the archive_info.hashes field.
+                req.download_info = direct_url_from_link(
+                    req.link, link_is_in_wheel_cache=cache_entry.persistent
+                )
+            req.link = cache_entry.link
+
+    def _get_dist_for(self, req: InstallRequirement) -> BaseDistribution:
+        """Takes a InstallRequirement and returns a single AbstractDist \
+        representing a prepared variant of the same.
+        """
+        if req.editable:
+            return self.preparer.prepare_editable_requirement(req)
+
+        # satisfied_by is only evaluated by calling _check_skip_installed,
+        # so it must be None here.
+        assert req.satisfied_by is None
+        skip_reason = self._check_skip_installed(req)
+
+        if req.satisfied_by:
+            return self.preparer.prepare_installed_requirement(req, skip_reason)
+
+        # We eagerly populate the link, since that's our "legacy" behavior.
+        self._populate_link(req)
+        dist = self.preparer.prepare_linked_requirement(req)
+
+        # NOTE
+        # The following portion is for determining if a certain package is
+        # going to be re-installed/upgraded or not and reporting to the user.
+        # This should probably get cleaned up in a future refactor.
+
+        # req.req is only avail after unpack for URL
+        # pkgs repeat check_if_exists to uninstall-on-upgrade
+        # (#14)
+        if not self.ignore_installed:
+            req.check_if_exists(self.use_user_site)
+
+        if req.satisfied_by:
+            should_modify = (
+                self.upgrade_strategy != "to-satisfy-only"
+                or self.force_reinstall
+                or self.ignore_installed
+                or req.link.scheme == "file"
+            )
+            if should_modify:
+                self._set_req_to_reinstall(req)
+            else:
+                logger.info(
+                    "Requirement already satisfied (use --upgrade to upgrade): %s",
+                    req,
+                )
+        return dist
+
+    def _resolve_one(
+        self,
+        requirement_set: RequirementSet,
+        req_to_install: InstallRequirement,
+    ) -> List[InstallRequirement]:
+        """Prepare a single requirements file.
+
+        :return: A list of additional InstallRequirements to also install.
+        """
+        # Tell user what we are doing for this requirement:
+        # obtain (editable), skipping, processing (local url), collecting
+        # (remote url or package name)
+        if req_to_install.constraint or req_to_install.prepared:
+            return []
+
+        req_to_install.prepared = True
+
+        # Parse and return dependencies
+        dist = self._get_dist_for(req_to_install)
+        # This will raise UnsupportedPythonVersion if the given Python
+        # version isn't compatible with the distribution's Requires-Python.
+        _check_dist_requires_python(
+            dist,
+            version_info=self._py_version_info,
+            ignore_requires_python=self.ignore_requires_python,
+        )
+
+        more_reqs: List[InstallRequirement] = []
+
+        def add_req(subreq: Requirement, extras_requested: Iterable[str]) -> None:
+            # This idiosyncratically converts the Requirement to str and let
+            # make_install_req then parse it again into Requirement. But this is
+            # the legacy resolver so I'm just not going to bother refactoring.
+            sub_install_req = self._make_install_req(str(subreq), req_to_install)
+            parent_req_name = req_to_install.name
+            to_scan_again, add_to_parent = self._add_requirement_to_set(
+                requirement_set,
+                sub_install_req,
+                parent_req_name=parent_req_name,
+                extras_requested=extras_requested,
+            )
+            if parent_req_name and add_to_parent:
+                self._discovered_dependencies[parent_req_name].append(add_to_parent)
+            more_reqs.extend(to_scan_again)
+
+        with indent_log():
+            # We add req_to_install before its dependencies, so that we
+            # can refer to it when adding dependencies.
+            if not requirement_set.has_requirement(req_to_install.name):
+                # 'unnamed' requirements will get added here
+                # 'unnamed' requirements can only come from being directly
+                # provided by the user.
+                assert req_to_install.user_supplied
+                self._add_requirement_to_set(
+                    requirement_set, req_to_install, parent_req_name=None
+                )
+
+            if not self.ignore_dependencies:
+                if req_to_install.extras:
+                    logger.debug(
+                        "Installing extra requirements: %r",
+                        ",".join(req_to_install.extras),
+                    )
+                missing_requested = sorted(
+                    set(req_to_install.extras) - set(dist.iter_provided_extras())
+                )
+                for missing in missing_requested:
+                    logger.warning(
+                        "%s %s does not provide the extra '%s'",
+                        dist.raw_name,
+                        dist.version,
+                        missing,
+                    )
+
+                available_requested = sorted(
+                    set(dist.iter_provided_extras()) & set(req_to_install.extras)
+                )
+                for subreq in dist.iter_dependencies(available_requested):
+                    add_req(subreq, extras_requested=available_requested)
+
+        return more_reqs
+
+    def get_installation_order(
+        self, req_set: RequirementSet
+    ) -> List[InstallRequirement]:
+        """Create the installation order.
+
+        The installation order is topological - requirements are installed
+        before the requiring thing. We break cycles at an arbitrary point,
+        and make no other guarantees.
+        """
+        # The current implementation, which we may change at any point
+        # installs the user specified things in the order given, except when
+        # dependencies must come earlier to achieve topological order.
+        order = []
+        ordered_reqs: Set[InstallRequirement] = set()
+
+        def schedule(req: InstallRequirement) -> None:
+            if req.satisfied_by or req in ordered_reqs:
+                return
+            if req.constraint:
+                return
+            ordered_reqs.add(req)
+            for dep in self._discovered_dependencies[req.name]:
+                schedule(dep)
+            order.append(req)
+
+        for install_req in req_set.requirements.values():
+            schedule(install_req)
+        return order
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/base.py
@@ -0,0 +1,141 @@
+from typing import FrozenSet, Iterable, Optional, Tuple, Union
+
+from pip._vendor.packaging.specifiers import SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName
+from pip._vendor.packaging.version import LegacyVersion, Version
+
+from pip._internal.models.link import Link, links_equivalent
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.hashes import Hashes
+
+CandidateLookup = Tuple[Optional["Candidate"], Optional[InstallRequirement]]
+CandidateVersion = Union[LegacyVersion, Version]
+
+
+def format_name(project: NormalizedName, extras: FrozenSet[NormalizedName]) -> str:
+    if not extras:
+        return project
+    extras_expr = ",".join(sorted(extras))
+    return f"{project}[{extras_expr}]"
+
+
+class Constraint:
+    def __init__(
+        self, specifier: SpecifierSet, hashes: Hashes, links: FrozenSet[Link]
+    ) -> None:
+        self.specifier = specifier
+        self.hashes = hashes
+        self.links = links
+
+    @classmethod
+    def empty(cls) -> "Constraint":
+        return Constraint(SpecifierSet(), Hashes(), frozenset())
+
+    @classmethod
+    def from_ireq(cls, ireq: InstallRequirement) -> "Constraint":
+        links = frozenset([ireq.link]) if ireq.link else frozenset()
+        return Constraint(ireq.specifier, ireq.hashes(trust_internet=False), links)
+
+    def __bool__(self) -> bool:
+        return bool(self.specifier) or bool(self.hashes) or bool(self.links)
+
+    def __and__(self, other: InstallRequirement) -> "Constraint":
+        if not isinstance(other, InstallRequirement):
+            return NotImplemented
+        specifier = self.specifier & other.specifier
+        hashes = self.hashes & other.hashes(trust_internet=False)
+        links = self.links
+        if other.link:
+            links = links.union([other.link])
+        return Constraint(specifier, hashes, links)
+
+    def is_satisfied_by(self, candidate: "Candidate") -> bool:
+        # Reject if there are any mismatched URL constraints on this package.
+        if self.links and not all(_match_link(link, candidate) for link in self.links):
+            return False
+        # We can safely always allow prereleases here since PackageFinder
+        # already implements the prerelease logic, and would have filtered out
+        # prerelease candidates if the user does not expect them.
+        return self.specifier.contains(candidate.version, prereleases=True)
+
+
+class Requirement:
+    @property
+    def project_name(self) -> NormalizedName:
+        """The "project name" of a requirement.
+
+        This is different from ``name`` if this requirement contains extras,
+        in which case ``name`` would contain the ``[...]`` part, while this
+        refers to the name of the project.
+        """
+        raise NotImplementedError("Subclass should override")
+
+    @property
+    def name(self) -> str:
+        """The name identifying this requirement in the resolver.
+
+        This is different from ``project_name`` if this requirement contains
+        extras, where ``project_name`` would not contain the ``[...]`` part.
+        """
+        raise NotImplementedError("Subclass should override")
+
+    def is_satisfied_by(self, candidate: "Candidate") -> bool:
+        return False
+
+    def get_candidate_lookup(self) -> CandidateLookup:
+        raise NotImplementedError("Subclass should override")
+
+    def format_for_error(self) -> str:
+        raise NotImplementedError("Subclass should override")
+
+
+def _match_link(link: Link, candidate: "Candidate") -> bool:
+    if candidate.source_link:
+        return links_equivalent(link, candidate.source_link)
+    return False
+
+
+class Candidate:
+    @property
+    def project_name(self) -> NormalizedName:
+        """The "project name" of the candidate.
+
+        This is different from ``name`` if this candidate contains extras,
+        in which case ``name`` would contain the ``[...]`` part, while this
+        refers to the name of the project.
+        """
+        raise NotImplementedError("Override in subclass")
+
+    @property
+    def name(self) -> str:
+        """The name identifying this candidate in the resolver.
+
+        This is different from ``project_name`` if this candidate contains
+        extras, where ``project_name`` would not contain the ``[...]`` part.
+        """
+        raise NotImplementedError("Override in subclass")
+
+    @property
+    def version(self) -> CandidateVersion:
+        raise NotImplementedError("Override in subclass")
+
+    @property
+    def is_installed(self) -> bool:
+        raise NotImplementedError("Override in subclass")
+
+    @property
+    def is_editable(self) -> bool:
+        raise NotImplementedError("Override in subclass")
+
+    @property
+    def source_link(self) -> Optional[Link]:
+        raise NotImplementedError("Override in subclass")
+
+    def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+        raise NotImplementedError("Override in subclass")
+
+    def get_install_requirement(self) -> Optional[InstallRequirement]:
+        raise NotImplementedError("Override in subclass")
+
+    def format_for_error(self) -> str:
+        raise NotImplementedError("Subclass should override")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py
new file mode 100644
index 00000000..4125cda2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py
@@ -0,0 +1,597 @@
+import logging
+import sys
+from typing import TYPE_CHECKING, Any, FrozenSet, Iterable, Optional, Tuple, Union, cast
+
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.packaging.version import Version
+
+from pip._internal.exceptions import (
+    HashError,
+    InstallationSubprocessError,
+    MetadataInconsistent,
+)
+from pip._internal.metadata import BaseDistribution
+from pip._internal.models.link import Link, links_equivalent
+from pip._internal.models.wheel import Wheel
+from pip._internal.req.constructors import (
+    install_req_from_editable,
+    install_req_from_line,
+)
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.direct_url_helpers import direct_url_from_link
+from pip._internal.utils.misc import normalize_version_info
+
+from .base import Candidate, CandidateVersion, Requirement, format_name
+
+if TYPE_CHECKING:
+    from .factory import Factory
+
+logger = logging.getLogger(__name__)
+
+BaseCandidate = Union[
+    "AlreadyInstalledCandidate",
+    "EditableCandidate",
+    "LinkCandidate",
+]
+
+# Avoid conflicting with the PyPI package "Python".
+REQUIRES_PYTHON_IDENTIFIER = cast(NormalizedName, "<Python from Requires-Python>")
+
+
+def as_base_candidate(candidate: Candidate) -> Optional[BaseCandidate]:
+    """The runtime version of BaseCandidate."""
+    base_candidate_classes = (
+        AlreadyInstalledCandidate,
+        EditableCandidate,
+        LinkCandidate,
+    )
+    if isinstance(candidate, base_candidate_classes):
+        return candidate
+    return None
+
+
+def make_install_req_from_link(
+    link: Link, template: InstallRequirement
+) -> InstallRequirement:
+    assert not template.editable, "template is editable"
+    if template.req:
+        line = str(template.req)
+    else:
+        line = link.url
+    ireq = install_req_from_line(
+        line,
+        user_supplied=template.user_supplied,
+        comes_from=template.comes_from,
+        use_pep517=template.use_pep517,
+        isolated=template.isolated,
+        constraint=template.constraint,
+        global_options=template.global_options,
+        hash_options=template.hash_options,
+        config_settings=template.config_settings,
+    )
+    ireq.original_link = template.original_link
+    ireq.link = link
+    ireq.extras = template.extras
+    return ireq
+
+
+def make_install_req_from_editable(
+    link: Link, template: InstallRequirement
+) -> InstallRequirement:
+    assert template.editable, "template not editable"
+    ireq = install_req_from_editable(
+        link.url,
+        user_supplied=template.user_supplied,
+        comes_from=template.comes_from,
+        use_pep517=template.use_pep517,
+        isolated=template.isolated,
+        constraint=template.constraint,
+        permit_editable_wheels=template.permit_editable_wheels,
+        global_options=template.global_options,
+        hash_options=template.hash_options,
+        config_settings=template.config_settings,
+    )
+    ireq.extras = template.extras
+    return ireq
+
+
+def _make_install_req_from_dist(
+    dist: BaseDistribution, template: InstallRequirement
+) -> InstallRequirement:
+    if template.req:
+        line = str(template.req)
+    elif template.link:
+        line = f"{dist.canonical_name} @ {template.link.url}"
+    else:
+        line = f"{dist.canonical_name}=={dist.version}"
+    ireq = install_req_from_line(
+        line,
+        user_supplied=template.user_supplied,
+        comes_from=template.comes_from,
+        use_pep517=template.use_pep517,
+        isolated=template.isolated,
+        constraint=template.constraint,
+        global_options=template.global_options,
+        hash_options=template.hash_options,
+        config_settings=template.config_settings,
+    )
+    ireq.satisfied_by = dist
+    return ireq
+
+
+class _InstallRequirementBackedCandidate(Candidate):
+    """A candidate backed by an ``InstallRequirement``.
+
+    This represents a package request with the target not being already
+    in the environment, and needs to be fetched and installed. The backing
+    ``InstallRequirement`` is responsible for most of the leg work; this
+    class exposes appropriate information to the resolver.
+
+    :param link: The link passed to the ``InstallRequirement``. The backing
+        ``InstallRequirement`` will use this link to fetch the distribution.
+    :param source_link: The link this candidate "originates" from. This is
+        different from ``link`` when the link is found in the wheel cache.
+        ``link`` would point to the wheel cache, while this points to the
+        found remote link (e.g. from pypi.org).
+    """
+
+    dist: BaseDistribution
+    is_installed = False
+
+    def __init__(
+        self,
+        link: Link,
+        source_link: Link,
+        ireq: InstallRequirement,
+        factory: "Factory",
+        name: Optional[NormalizedName] = None,
+        version: Optional[CandidateVersion] = None,
+    ) -> None:
+        self._link = link
+        self._source_link = source_link
+        self._factory = factory
+        self._ireq = ireq
+        self._name = name
+        self._version = version
+        self.dist = self._prepare()
+
+    def __str__(self) -> str:
+        return f"{self.name} {self.version}"
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({str(self._link)!r})"
+
+    def __hash__(self) -> int:
+        return hash((self.__class__, self._link))
+
+    def __eq__(self, other: Any) -> bool:
+        if isinstance(other, self.__class__):
+            return links_equivalent(self._link, other._link)
+        return False
+
+    @property
+    def source_link(self) -> Optional[Link]:
+        return self._source_link
+
+    @property
+    def project_name(self) -> NormalizedName:
+        """The normalised name of the project the candidate refers to"""
+        if self._name is None:
+            self._name = self.dist.canonical_name
+        return self._name
+
+    @property
+    def name(self) -> str:
+        return self.project_name
+
+    @property
+    def version(self) -> CandidateVersion:
+        if self._version is None:
+            self._version = self.dist.version
+        return self._version
+
+    def format_for_error(self) -> str:
+        return "{} {} (from {})".format(
+            self.name,
+            self.version,
+            self._link.file_path if self._link.is_file else self._link,
+        )
+
+    def _prepare_distribution(self) -> BaseDistribution:
+        raise NotImplementedError("Override in subclass")
+
+    def _check_metadata_consistency(self, dist: BaseDistribution) -> None:
+        """Check for consistency of project name and version of dist."""
+        if self._name is not None and self._name != dist.canonical_name:
+            raise MetadataInconsistent(
+                self._ireq,
+                "name",
+                self._name,
+                dist.canonical_name,
+            )
+        if self._version is not None and self._version != dist.version:
+            raise MetadataInconsistent(
+                self._ireq,
+                "version",
+                str(self._version),
+                str(dist.version),
+            )
+
+    def _prepare(self) -> BaseDistribution:
+        try:
+            dist = self._prepare_distribution()
+        except HashError as e:
+            # Provide HashError the underlying ireq that caused it. This
+            # provides context for the resulting error message to show the
+            # offending line to the user.
+            e.req = self._ireq
+            raise
+        except InstallationSubprocessError as exc:
+            # The output has been presented already, so don't duplicate it.
+            exc.context = "See above for output."
+            raise
+
+        self._check_metadata_consistency(dist)
+        return dist
+
+    def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+        requires = self.dist.iter_dependencies() if with_requires else ()
+        for r in requires:
+            yield from self._factory.make_requirements_from_spec(str(r), self._ireq)
+        yield self._factory.make_requires_python_requirement(self.dist.requires_python)
+
+    def get_install_requirement(self) -> Optional[InstallRequirement]:
+        return self._ireq
+
+
+class LinkCandidate(_InstallRequirementBackedCandidate):
+    is_editable = False
+
+    def __init__(
+        self,
+        link: Link,
+        template: InstallRequirement,
+        factory: "Factory",
+        name: Optional[NormalizedName] = None,
+        version: Optional[CandidateVersion] = None,
+    ) -> None:
+        source_link = link
+        cache_entry = factory.get_wheel_cache_entry(source_link, name)
+        if cache_entry is not None:
+            logger.debug("Using cached wheel link: %s", cache_entry.link)
+            link = cache_entry.link
+        ireq = make_install_req_from_link(link, template)
+        assert ireq.link == link
+        if ireq.link.is_wheel and not ireq.link.is_file:
+            wheel = Wheel(ireq.link.filename)
+            wheel_name = canonicalize_name(wheel.name)
+            assert name == wheel_name, f"{name!r} != {wheel_name!r} for wheel"
+            # Version may not be present for PEP 508 direct URLs
+            if version is not None:
+                wheel_version = Version(wheel.version)
+                assert version == wheel_version, "{!r} != {!r} for wheel {}".format(
+                    version, wheel_version, name
+                )
+
+        if cache_entry is not None:
+            assert ireq.link.is_wheel
+            assert ireq.link.is_file
+            if cache_entry.persistent and template.link is template.original_link:
+                ireq.cached_wheel_source_link = source_link
+            if cache_entry.origin is not None:
+                ireq.download_info = cache_entry.origin
+            else:
+                # Legacy cache entry that does not have origin.json.
+                # download_info may miss the archive_info.hashes field.
+                ireq.download_info = direct_url_from_link(
+                    source_link, link_is_in_wheel_cache=cache_entry.persistent
+                )
+
+        super().__init__(
+            link=link,
+            source_link=source_link,
+            ireq=ireq,
+            factory=factory,
+            name=name,
+            version=version,
+        )
+
+    def _prepare_distribution(self) -> BaseDistribution:
+        preparer = self._factory.preparer
+        return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
+
+
+class EditableCandidate(_InstallRequirementBackedCandidate):
+    is_editable = True
+
+    def __init__(
+        self,
+        link: Link,
+        template: InstallRequirement,
+        factory: "Factory",
+        name: Optional[NormalizedName] = None,
+        version: Optional[CandidateVersion] = None,
+    ) -> None:
+        super().__init__(
+            link=link,
+            source_link=link,
+            ireq=make_install_req_from_editable(link, template),
+            factory=factory,
+            name=name,
+            version=version,
+        )
+
+    def _prepare_distribution(self) -> BaseDistribution:
+        return self._factory.preparer.prepare_editable_requirement(self._ireq)
+
+
+class AlreadyInstalledCandidate(Candidate):
+    is_installed = True
+    source_link = None
+
+    def __init__(
+        self,
+        dist: BaseDistribution,
+        template: InstallRequirement,
+        factory: "Factory",
+    ) -> None:
+        self.dist = dist
+        self._ireq = _make_install_req_from_dist(dist, template)
+        self._factory = factory
+        self._version = None
+
+        # This is just logging some messages, so we can do it eagerly.
+        # The returned dist would be exactly the same as self.dist because we
+        # set satisfied_by in _make_install_req_from_dist.
+        # TODO: Supply reason based on force_reinstall and upgrade_strategy.
+        skip_reason = "already satisfied"
+        factory.preparer.prepare_installed_requirement(self._ireq, skip_reason)
+
+    def __str__(self) -> str:
+        return str(self.dist)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self.dist!r})"
+
+    def __hash__(self) -> int:
+        return hash((self.__class__, self.name, self.version))
+
+    def __eq__(self, other: Any) -> bool:
+        if isinstance(other, self.__class__):
+            return self.name == other.name and self.version == other.version
+        return False
+
+    @property
+    def project_name(self) -> NormalizedName:
+        return self.dist.canonical_name
+
+    @property
+    def name(self) -> str:
+        return self.project_name
+
+    @property
+    def version(self) -> CandidateVersion:
+        if self._version is None:
+            self._version = self.dist.version
+        return self._version
+
+    @property
+    def is_editable(self) -> bool:
+        return self.dist.editable
+
+    def format_for_error(self) -> str:
+        return f"{self.name} {self.version} (Installed)"
+
+    def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+        if not with_requires:
+            return
+        for r in self.dist.iter_dependencies():
+            yield from self._factory.make_requirements_from_spec(str(r), self._ireq)
+
+    def get_install_requirement(self) -> Optional[InstallRequirement]:
+        return None
+
+
+class ExtrasCandidate(Candidate):
+    """A candidate that has 'extras', indicating additional dependencies.
+
+    Requirements can be for a project with dependencies, something like
+    foo[extra].  The extras don't affect the project/version being installed
+    directly, but indicate that we need additional dependencies. We model that
+    by having an artificial ExtrasCandidate that wraps the "base" candidate.
+
+    The ExtrasCandidate differs from the base in the following ways:
+
+    1. It has a unique name, of the form foo[extra]. This causes the resolver
+       to treat it as a separate node in the dependency graph.
+    2. When we're getting the candidate's dependencies,
+       a) We specify that we want the extra dependencies as well.
+       b) We add a dependency on the base candidate.
+          See below for why this is needed.
+    3. We return None for the underlying InstallRequirement, as the base
+       candidate will provide it, and we don't want to end up with duplicates.
+
+    The dependency on the base candidate is needed so that the resolver can't
+    decide that it should recommend foo[extra1] version 1.0 and foo[extra2]
+    version 2.0. Having those candidates depend on foo=1.0 and foo=2.0
+    respectively forces the resolver to recognise that this is a conflict.
+    """
+
+    def __init__(
+        self,
+        base: BaseCandidate,
+        extras: FrozenSet[str],
+        *,
+        comes_from: Optional[InstallRequirement] = None,
+    ) -> None:
+        """
+        :param comes_from: the InstallRequirement that led to this candidate if it
+            differs from the base's InstallRequirement. This will often be the
+            case in the sense that this candidate's requirement has the extras
+            while the base's does not. Unlike the InstallRequirement backed
+            candidates, this requirement is used solely for reporting purposes,
+            it does not do any leg work.
+        """
+        self.base = base
+        self.extras = frozenset(canonicalize_name(e) for e in extras)
+        # If any extras are requested in their non-normalized forms, keep track
+        # of their raw values. This is needed when we look up dependencies
+        # since PEP 685 has not been implemented for marker-matching, and using
+        # the non-normalized extra for lookup ensures the user can select a
+        # non-normalized extra in a package with its non-normalized form.
+        # TODO: Remove this attribute when packaging is upgraded to support the
+        # marker comparison logic specified in PEP 685.
+        self._unnormalized_extras = extras.difference(self.extras)
+        self._comes_from = comes_from if comes_from is not None else self.base._ireq
+
+    def __str__(self) -> str:
+        name, rest = str(self.base).split(" ", 1)
+        return "{}[{}] {}".format(name, ",".join(self.extras), rest)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}(base={self.base!r}, extras={self.extras!r})"
+
+    def __hash__(self) -> int:
+        return hash((self.base, self.extras))
+
+    def __eq__(self, other: Any) -> bool:
+        if isinstance(other, self.__class__):
+            return self.base == other.base and self.extras == other.extras
+        return False
+
+    @property
+    def project_name(self) -> NormalizedName:
+        return self.base.project_name
+
+    @property
+    def name(self) -> str:
+        """The normalised name of the project the candidate refers to"""
+        return format_name(self.base.project_name, self.extras)
+
+    @property
+    def version(self) -> CandidateVersion:
+        return self.base.version
+
+    def format_for_error(self) -> str:
+        return "{} [{}]".format(
+            self.base.format_for_error(), ", ".join(sorted(self.extras))
+        )
+
+    @property
+    def is_installed(self) -> bool:
+        return self.base.is_installed
+
+    @property
+    def is_editable(self) -> bool:
+        return self.base.is_editable
+
+    @property
+    def source_link(self) -> Optional[Link]:
+        return self.base.source_link
+
+    def _warn_invalid_extras(
+        self,
+        requested: FrozenSet[str],
+        valid: FrozenSet[str],
+    ) -> None:
+        """Emit warnings for invalid extras being requested.
+
+        This emits a warning for each requested extra that is not in the
+        candidate's ``Provides-Extra`` list.
+        """
+        invalid_extras_to_warn = frozenset(
+            extra
+            for extra in requested
+            if extra not in valid
+            # If an extra is requested in an unnormalized form, skip warning
+            # about the normalized form being missing.
+            and extra in self.extras
+        )
+        if not invalid_extras_to_warn:
+            return
+        for extra in sorted(invalid_extras_to_warn):
+            logger.warning(
+                "%s %s does not provide the extra '%s'",
+                self.base.name,
+                self.version,
+                extra,
+            )
+
+    def _calculate_valid_requested_extras(self) -> FrozenSet[str]:
+        """Get a list of valid extras requested by this candidate.
+
+        The user (or upstream dependant) may have specified extras that the
+        candidate doesn't support. Any unsupported extras are dropped, and each
+        cause a warning to be logged here.
+        """
+        requested_extras = self.extras.union(self._unnormalized_extras)
+        valid_extras = frozenset(
+            extra
+            for extra in requested_extras
+            if self.base.dist.is_extra_provided(extra)
+        )
+        self._warn_invalid_extras(requested_extras, valid_extras)
+        return valid_extras
+
+    def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+        factory = self.base._factory
+
+        # Add a dependency on the exact base
+        # (See note 2b in the class docstring)
+        yield factory.make_requirement_from_candidate(self.base)
+        if not with_requires:
+            return
+
+        valid_extras = self._calculate_valid_requested_extras()
+        for r in self.base.dist.iter_dependencies(valid_extras):
+            yield from factory.make_requirements_from_spec(
+                str(r),
+                self._comes_from,
+                valid_extras,
+            )
+
+    def get_install_requirement(self) -> Optional[InstallRequirement]:
+        # We don't return anything here, because we always
+        # depend on the base candidate, and we'll get the
+        # install requirement from that.
+        return None
+
+
+class RequiresPythonCandidate(Candidate):
+    is_installed = False
+    source_link = None
+
+    def __init__(self, py_version_info: Optional[Tuple[int, ...]]) -> None:
+        if py_version_info is not None:
+            version_info = normalize_version_info(py_version_info)
+        else:
+            version_info = sys.version_info[:3]
+        self._version = Version(".".join(str(c) for c in version_info))
+
+    # We don't need to implement __eq__() and __ne__() since there is always
+    # only one RequiresPythonCandidate in a resolution, i.e. the host Python.
+    # The built-in object.__eq__() and object.__ne__() do exactly what we want.
+
+    def __str__(self) -> str:
+        return f"Python {self._version}"
+
+    @property
+    def project_name(self) -> NormalizedName:
+        return REQUIRES_PYTHON_IDENTIFIER
+
+    @property
+    def name(self) -> str:
+        return REQUIRES_PYTHON_IDENTIFIER
+
+    @property
+    def version(self) -> CandidateVersion:
+        return self._version
+
+    def format_for_error(self) -> str:
+        return f"Python {self.version}"
+
+    def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+        return ()
+
+    def get_install_requirement(self) -> Optional[InstallRequirement]:
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py
new file mode 100644
index 00000000..4adeb430
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py
@@ -0,0 +1,812 @@
+import contextlib
+import functools
+import logging
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    FrozenSet,
+    Iterable,
+    Iterator,
+    List,
+    Mapping,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Set,
+    Tuple,
+    TypeVar,
+    cast,
+)
+
+from pip._vendor.packaging.requirements import InvalidRequirement
+from pip._vendor.packaging.specifiers import SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.resolvelib import ResolutionImpossible
+
+from pip._internal.cache import CacheEntry, WheelCache
+from pip._internal.exceptions import (
+    DistributionNotFound,
+    InstallationError,
+    MetadataInconsistent,
+    UnsupportedPythonVersion,
+    UnsupportedWheel,
+)
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution, get_default_environment
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.constructors import (
+    install_req_drop_extras,
+    install_req_from_link_and_ireq,
+)
+from pip._internal.req.req_install import (
+    InstallRequirement,
+    check_invalid_constraint_type,
+)
+from pip._internal.resolution.base import InstallRequirementProvider
+from pip._internal.utils.compatibility_tags import get_supported
+from pip._internal.utils.hashes import Hashes
+from pip._internal.utils.packaging import get_requirement
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from .base import Candidate, CandidateVersion, Constraint, Requirement
+from .candidates import (
+    AlreadyInstalledCandidate,
+    BaseCandidate,
+    EditableCandidate,
+    ExtrasCandidate,
+    LinkCandidate,
+    RequiresPythonCandidate,
+    as_base_candidate,
+)
+from .found_candidates import FoundCandidates, IndexCandidateInfo
+from .requirements import (
+    ExplicitRequirement,
+    RequiresPythonRequirement,
+    SpecifierRequirement,
+    SpecifierWithoutExtrasRequirement,
+    UnsatisfiableRequirement,
+)
+
+if TYPE_CHECKING:
+    from typing import Protocol
+
+    class ConflictCause(Protocol):
+        requirement: RequiresPythonRequirement
+        parent: Candidate
+
+
+logger = logging.getLogger(__name__)
+
+C = TypeVar("C")
+Cache = Dict[Link, C]
+
+
+class CollectedRootRequirements(NamedTuple):
+    requirements: List[Requirement]
+    constraints: Dict[str, Constraint]
+    user_requested: Dict[str, int]
+
+
+class Factory:
+    def __init__(
+        self,
+        finder: PackageFinder,
+        preparer: RequirementPreparer,
+        make_install_req: InstallRequirementProvider,
+        wheel_cache: Optional[WheelCache],
+        use_user_site: bool,
+        force_reinstall: bool,
+        ignore_installed: bool,
+        ignore_requires_python: bool,
+        py_version_info: Optional[Tuple[int, ...]] = None,
+    ) -> None:
+        self._finder = finder
+        self.preparer = preparer
+        self._wheel_cache = wheel_cache
+        self._python_candidate = RequiresPythonCandidate(py_version_info)
+        self._make_install_req_from_spec = make_install_req
+        self._use_user_site = use_user_site
+        self._force_reinstall = force_reinstall
+        self._ignore_requires_python = ignore_requires_python
+
+        self._build_failures: Cache[InstallationError] = {}
+        self._link_candidate_cache: Cache[LinkCandidate] = {}
+        self._editable_candidate_cache: Cache[EditableCandidate] = {}
+        self._installed_candidate_cache: Dict[str, AlreadyInstalledCandidate] = {}
+        self._extras_candidate_cache: Dict[
+            Tuple[int, FrozenSet[NormalizedName]], ExtrasCandidate
+        ] = {}
+
+        if not ignore_installed:
+            env = get_default_environment()
+            self._installed_dists = {
+                dist.canonical_name: dist
+                for dist in env.iter_installed_distributions(local_only=False)
+            }
+        else:
+            self._installed_dists = {}
+
+    @property
+    def force_reinstall(self) -> bool:
+        return self._force_reinstall
+
+    def _fail_if_link_is_unsupported_wheel(self, link: Link) -> None:
+        if not link.is_wheel:
+            return
+        wheel = Wheel(link.filename)
+        if wheel.supported(self._finder.target_python.get_unsorted_tags()):
+            return
+        msg = f"{link.filename} is not a supported wheel on this platform."
+        raise UnsupportedWheel(msg)
+
+    def _make_extras_candidate(
+        self,
+        base: BaseCandidate,
+        extras: FrozenSet[str],
+        *,
+        comes_from: Optional[InstallRequirement] = None,
+    ) -> ExtrasCandidate:
+        cache_key = (id(base), frozenset(canonicalize_name(e) for e in extras))
+        try:
+            candidate = self._extras_candidate_cache[cache_key]
+        except KeyError:
+            candidate = ExtrasCandidate(base, extras, comes_from=comes_from)
+            self._extras_candidate_cache[cache_key] = candidate
+        return candidate
+
+    def _make_candidate_from_dist(
+        self,
+        dist: BaseDistribution,
+        extras: FrozenSet[str],
+        template: InstallRequirement,
+    ) -> Candidate:
+        try:
+            base = self._installed_candidate_cache[dist.canonical_name]
+        except KeyError:
+            base = AlreadyInstalledCandidate(dist, template, factory=self)
+            self._installed_candidate_cache[dist.canonical_name] = base
+        if not extras:
+            return base
+        return self._make_extras_candidate(base, extras, comes_from=template)
+
+    def _make_candidate_from_link(
+        self,
+        link: Link,
+        extras: FrozenSet[str],
+        template: InstallRequirement,
+        name: Optional[NormalizedName],
+        version: Optional[CandidateVersion],
+    ) -> Optional[Candidate]:
+        base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
+            link, template, name, version
+        )
+        if not extras or base is None:
+            return base
+        return self._make_extras_candidate(base, extras, comes_from=template)
+
+    def _make_base_candidate_from_link(
+        self,
+        link: Link,
+        template: InstallRequirement,
+        name: Optional[NormalizedName],
+        version: Optional[CandidateVersion],
+    ) -> Optional[BaseCandidate]:
+        # TODO: Check already installed candidate, and use it if the link and
+        # editable flag match.
+
+        if link in self._build_failures:
+            # We already tried this candidate before, and it does not build.
+            # Don't bother trying again.
+            return None
+
+        if template.editable:
+            if link not in self._editable_candidate_cache:
+                try:
+                    self._editable_candidate_cache[link] = EditableCandidate(
+                        link,
+                        template,
+                        factory=self,
+                        name=name,
+                        version=version,
+                    )
+                except MetadataInconsistent as e:
+                    logger.info(
+                        "Discarding [blue underline]%s[/]: [yellow]%s[reset]",
+                        link,
+                        e,
+                        extra={"markup": True},
+                    )
+                    self._build_failures[link] = e
+                    return None
+
+            return self._editable_candidate_cache[link]
+        else:
+            if link not in self._link_candidate_cache:
+                try:
+                    self._link_candidate_cache[link] = LinkCandidate(
+                        link,
+                        template,
+                        factory=self,
+                        name=name,
+                        version=version,
+                    )
+                except MetadataInconsistent as e:
+                    logger.info(
+                        "Discarding [blue underline]%s[/]: [yellow]%s[reset]",
+                        link,
+                        e,
+                        extra={"markup": True},
+                    )
+                    self._build_failures[link] = e
+                    return None
+            return self._link_candidate_cache[link]
+
+    def _iter_found_candidates(
+        self,
+        ireqs: Sequence[InstallRequirement],
+        specifier: SpecifierSet,
+        hashes: Hashes,
+        prefers_installed: bool,
+        incompatible_ids: Set[int],
+    ) -> Iterable[Candidate]:
+        if not ireqs:
+            return ()
+
+        # The InstallRequirement implementation requires us to give it a
+        # "template". Here we just choose the first requirement to represent
+        # all of them.
+        # Hopefully the Project model can correct this mismatch in the future.
+        template = ireqs[0]
+        assert template.req, "Candidates found on index must be PEP 508"
+        name = canonicalize_name(template.req.name)
+
+        extras: FrozenSet[str] = frozenset()
+        for ireq in ireqs:
+            assert ireq.req, "Candidates found on index must be PEP 508"
+            specifier &= ireq.req.specifier
+            hashes &= ireq.hashes(trust_internet=False)
+            extras |= frozenset(ireq.extras)
+
+        def _get_installed_candidate() -> Optional[Candidate]:
+            """Get the candidate for the currently-installed version."""
+            # If --force-reinstall is set, we want the version from the index
+            # instead, so we "pretend" there is nothing installed.
+            if self._force_reinstall:
+                return None
+            try:
+                installed_dist = self._installed_dists[name]
+            except KeyError:
+                return None
+            # Don't use the installed distribution if its version does not fit
+            # the current dependency graph.
+            if not specifier.contains(installed_dist.version, prereleases=True):
+                return None
+            candidate = self._make_candidate_from_dist(
+                dist=installed_dist,
+                extras=extras,
+                template=template,
+            )
+            # The candidate is a known incompatibility. Don't use it.
+            if id(candidate) in incompatible_ids:
+                return None
+            return candidate
+
+        def iter_index_candidate_infos() -> Iterator[IndexCandidateInfo]:
+            result = self._finder.find_best_candidate(
+                project_name=name,
+                specifier=specifier,
+                hashes=hashes,
+            )
+            icans = list(result.iter_applicable())
+
+            # PEP 592: Yanked releases are ignored unless the specifier
+            # explicitly pins a version (via '==' or '===') that can be
+            # solely satisfied by a yanked release.
+            all_yanked = all(ican.link.is_yanked for ican in icans)
+
+            def is_pinned(specifier: SpecifierSet) -> bool:
+                for sp in specifier:
+                    if sp.operator == "===":
+                        return True
+                    if sp.operator != "==":
+                        continue
+                    if sp.version.endswith(".*"):
+                        continue
+                    return True
+                return False
+
+            pinned = is_pinned(specifier)
+
+            # PackageFinder returns earlier versions first, so we reverse.
+            for ican in reversed(icans):
+                if not (all_yanked and pinned) and ican.link.is_yanked:
+                    continue
+                func = functools.partial(
+                    self._make_candidate_from_link,
+                    link=ican.link,
+                    extras=extras,
+                    template=template,
+                    name=name,
+                    version=ican.version,
+                )
+                yield ican.version, func
+
+        return FoundCandidates(
+            iter_index_candidate_infos,
+            _get_installed_candidate(),
+            prefers_installed,
+            incompatible_ids,
+        )
+
+    def _iter_explicit_candidates_from_base(
+        self,
+        base_requirements: Iterable[Requirement],
+        extras: FrozenSet[str],
+    ) -> Iterator[Candidate]:
+        """Produce explicit candidates from the base given an extra-ed package.
+
+        :param base_requirements: Requirements known to the resolver. The
+            requirements are guaranteed to not have extras.
+        :param extras: The extras to inject into the explicit requirements'
+            candidates.
+        """
+        for req in base_requirements:
+            lookup_cand, _ = req.get_candidate_lookup()
+            if lookup_cand is None:  # Not explicit.
+                continue
+            # We've stripped extras from the identifier, and should always
+            # get a BaseCandidate here, unless there's a bug elsewhere.
+            base_cand = as_base_candidate(lookup_cand)
+            assert base_cand is not None, "no extras here"
+            yield self._make_extras_candidate(base_cand, extras)
+
+    def _iter_candidates_from_constraints(
+        self,
+        identifier: str,
+        constraint: Constraint,
+        template: InstallRequirement,
+    ) -> Iterator[Candidate]:
+        """Produce explicit candidates from constraints.
+
+        This creates "fake" InstallRequirement objects that are basically clones
+        of what "should" be the template, but with original_link set to link.
+        """
+        for link in constraint.links:
+            self._fail_if_link_is_unsupported_wheel(link)
+            candidate = self._make_base_candidate_from_link(
+                link,
+                template=install_req_from_link_and_ireq(link, template),
+                name=canonicalize_name(identifier),
+                version=None,
+            )
+            if candidate:
+                yield candidate
+
+    def find_candidates(
+        self,
+        identifier: str,
+        requirements: Mapping[str, Iterable[Requirement]],
+        incompatibilities: Mapping[str, Iterator[Candidate]],
+        constraint: Constraint,
+        prefers_installed: bool,
+    ) -> Iterable[Candidate]:
+        # Collect basic lookup information from the requirements.
+        explicit_candidates: Set[Candidate] = set()
+        ireqs: List[InstallRequirement] = []
+        for req in requirements[identifier]:
+            cand, ireq = req.get_candidate_lookup()
+            if cand is not None:
+                explicit_candidates.add(cand)
+            if ireq is not None:
+                ireqs.append(ireq)
+
+        # If the current identifier contains extras, add requires and explicit
+        # candidates from entries from extra-less identifier.
+        with contextlib.suppress(InvalidRequirement):
+            parsed_requirement = get_requirement(identifier)
+            if parsed_requirement.name != identifier:
+                explicit_candidates.update(
+                    self._iter_explicit_candidates_from_base(
+                        requirements.get(parsed_requirement.name, ()),
+                        frozenset(parsed_requirement.extras),
+                    ),
+                )
+                for req in requirements.get(parsed_requirement.name, []):
+                    _, ireq = req.get_candidate_lookup()
+                    if ireq is not None:
+                        ireqs.append(ireq)
+
+        # Add explicit candidates from constraints. We only do this if there are
+        # known ireqs, which represent requirements not already explicit. If
+        # there are no ireqs, we're constraining already-explicit requirements,
+        # which is handled later when we return the explicit candidates.
+        if ireqs:
+            try:
+                explicit_candidates.update(
+                    self._iter_candidates_from_constraints(
+                        identifier,
+                        constraint,
+                        template=ireqs[0],
+                    ),
+                )
+            except UnsupportedWheel:
+                # If we're constrained to install a wheel incompatible with the
+                # target architecture, no candidates will ever be valid.
+                return ()
+
+        # Since we cache all the candidates, incompatibility identification
+        # can be made quicker by comparing only the id() values.
+        incompat_ids = {id(c) for c in incompatibilities.get(identifier, ())}
+
+        # If none of the requirements want an explicit candidate, we can ask
+        # the finder for candidates.
+        if not explicit_candidates:
+            return self._iter_found_candidates(
+                ireqs,
+                constraint.specifier,
+                constraint.hashes,
+                prefers_installed,
+                incompat_ids,
+            )
+
+        return (
+            c
+            for c in explicit_candidates
+            if id(c) not in incompat_ids
+            and constraint.is_satisfied_by(c)
+            and all(req.is_satisfied_by(c) for req in requirements[identifier])
+        )
+
+    def _make_requirements_from_install_req(
+        self, ireq: InstallRequirement, requested_extras: Iterable[str]
+    ) -> Iterator[Requirement]:
+        """
+        Returns requirement objects associated with the given InstallRequirement. In
+        most cases this will be a single object but the following special cases exist:
+            - the InstallRequirement has markers that do not apply -> result is empty
+            - the InstallRequirement has both a constraint (or link) and extras
+                -> result is split in two requirement objects: one with the constraint
+                (or link) and one with the extra. This allows centralized constraint
+                handling for the base, resulting in fewer candidate rejections.
+        """
+        if not ireq.match_markers(requested_extras):
+            logger.info(
+                "Ignoring %s: markers '%s' don't match your environment",
+                ireq.name,
+                ireq.markers,
+            )
+        elif not ireq.link:
+            if ireq.extras and ireq.req is not None and ireq.req.specifier:
+                yield SpecifierWithoutExtrasRequirement(ireq)
+            yield SpecifierRequirement(ireq)
+        else:
+            self._fail_if_link_is_unsupported_wheel(ireq.link)
+            # Always make the link candidate for the base requirement to make it
+            # available to `find_candidates` for explicit candidate lookup for any
+            # set of extras.
+            # The extras are required separately via a second requirement.
+            cand = self._make_base_candidate_from_link(
+                ireq.link,
+                template=install_req_drop_extras(ireq) if ireq.extras else ireq,
+                name=canonicalize_name(ireq.name) if ireq.name else None,
+                version=None,
+            )
+            if cand is None:
+                # There's no way we can satisfy a URL requirement if the underlying
+                # candidate fails to build. An unnamed URL must be user-supplied, so
+                # we fail eagerly. If the URL is named, an unsatisfiable requirement
+                # can make the resolver do the right thing, either backtrack (and
+                # maybe find some other requirement that's buildable) or raise a
+                # ResolutionImpossible eventually.
+                if not ireq.name:
+                    raise self._build_failures[ireq.link]
+                yield UnsatisfiableRequirement(canonicalize_name(ireq.name))
+            else:
+                # require the base from the link
+                yield self.make_requirement_from_candidate(cand)
+                if ireq.extras:
+                    # require the extras on top of the base candidate
+                    yield self.make_requirement_from_candidate(
+                        self._make_extras_candidate(cand, frozenset(ireq.extras))
+                    )
+
+    def collect_root_requirements(
+        self, root_ireqs: List[InstallRequirement]
+    ) -> CollectedRootRequirements:
+        collected = CollectedRootRequirements([], {}, {})
+        for i, ireq in enumerate(root_ireqs):
+            if ireq.constraint:
+                # Ensure we only accept valid constraints
+                problem = check_invalid_constraint_type(ireq)
+                if problem:
+                    raise InstallationError(problem)
+                if not ireq.match_markers():
+                    continue
+                assert ireq.name, "Constraint must be named"
+                name = canonicalize_name(ireq.name)
+                if name in collected.constraints:
+                    collected.constraints[name] &= ireq
+                else:
+                    collected.constraints[name] = Constraint.from_ireq(ireq)
+            else:
+                reqs = list(
+                    self._make_requirements_from_install_req(
+                        ireq,
+                        requested_extras=(),
+                    )
+                )
+                if not reqs:
+                    continue
+                template = reqs[0]
+                if ireq.user_supplied and template.name not in collected.user_requested:
+                    collected.user_requested[template.name] = i
+                collected.requirements.extend(reqs)
+        # Put requirements with extras at the end of the root requires. This does not
+        # affect resolvelib's picking preference but it does affect its initial criteria
+        # population: by putting extras at the end we enable the candidate finder to
+        # present resolvelib with a smaller set of candidates to resolvelib, already
+        # taking into account any non-transient constraints on the associated base. This
+        # means resolvelib will have fewer candidates to visit and reject.
+        # Python's list sort is stable, meaning relative order is kept for objects with
+        # the same key.
+        collected.requirements.sort(key=lambda r: r.name != r.project_name)
+        return collected
+
+    def make_requirement_from_candidate(
+        self, candidate: Candidate
+    ) -> ExplicitRequirement:
+        return ExplicitRequirement(candidate)
+
+    def make_requirements_from_spec(
+        self,
+        specifier: str,
+        comes_from: Optional[InstallRequirement],
+        requested_extras: Iterable[str] = (),
+    ) -> Iterator[Requirement]:
+        """
+        Returns requirement objects associated with the given specifier. In most cases
+        this will be a single object but the following special cases exist:
+            - the specifier has markers that do not apply -> result is empty
+            - the specifier has both a constraint and extras -> result is split
+                in two requirement objects: one with the constraint and one with the
+                extra. This allows centralized constraint handling for the base,
+                resulting in fewer candidate rejections.
+        """
+        ireq = self._make_install_req_from_spec(specifier, comes_from)
+        return self._make_requirements_from_install_req(ireq, requested_extras)
+
+    def make_requires_python_requirement(
+        self,
+        specifier: SpecifierSet,
+    ) -> Optional[Requirement]:
+        if self._ignore_requires_python:
+            return None
+        # Don't bother creating a dependency for an empty Requires-Python.
+        if not str(specifier):
+            return None
+        return RequiresPythonRequirement(specifier, self._python_candidate)
+
+    def get_wheel_cache_entry(
+        self, link: Link, name: Optional[str]
+    ) -> Optional[CacheEntry]:
+        """Look up the link in the wheel cache.
+
+        If ``preparer.require_hashes`` is True, don't use the wheel cache,
+        because cached wheels, always built locally, have different hashes
+        than the files downloaded from the index server and thus throw false
+        hash mismatches. Furthermore, cached wheels at present have
+        nondeterministic contents due to file modification times.
+        """
+        if self._wheel_cache is None:
+            return None
+        return self._wheel_cache.get_cache_entry(
+            link=link,
+            package_name=name,
+            supported_tags=get_supported(),
+        )
+
+    def get_dist_to_uninstall(self, candidate: Candidate) -> Optional[BaseDistribution]:
+        # TODO: Are there more cases this needs to return True? Editable?
+        dist = self._installed_dists.get(candidate.project_name)
+        if dist is None:  # Not installed, no uninstallation required.
+            return None
+
+        # We're installing into global site. The current installation must
+        # be uninstalled, no matter it's in global or user site, because the
+        # user site installation has precedence over global.
+        if not self._use_user_site:
+            return dist
+
+        # We're installing into user site. Remove the user site installation.
+        if dist.in_usersite:
+            return dist
+
+        # We're installing into user site, but the installed incompatible
+        # package is in global site. We can't uninstall that, and would let
+        # the new user installation to "shadow" it. But shadowing won't work
+        # in virtual environments, so we error out.
+        if running_under_virtualenv() and dist.in_site_packages:
+            message = (
+                f"Will not install to the user site because it will lack "
+                f"sys.path precedence to {dist.raw_name} in {dist.location}"
+            )
+            raise InstallationError(message)
+        return None
+
+    def _report_requires_python_error(
+        self, causes: Sequence["ConflictCause"]
+    ) -> UnsupportedPythonVersion:
+        assert causes, "Requires-Python error reported with no cause"
+
+        version = self._python_candidate.version
+
+        if len(causes) == 1:
+            specifier = str(causes[0].requirement.specifier)
+            message = (
+                f"Package {causes[0].parent.name!r} requires a different "
+                f"Python: {version} not in {specifier!r}"
+            )
+            return UnsupportedPythonVersion(message)
+
+        message = f"Packages require a different Python. {version} not in:"
+        for cause in causes:
+            package = cause.parent.format_for_error()
+            specifier = str(cause.requirement.specifier)
+            message += f"\n{specifier!r} (required by {package})"
+        return UnsupportedPythonVersion(message)
+
+    def _report_single_requirement_conflict(
+        self, req: Requirement, parent: Optional[Candidate]
+    ) -> DistributionNotFound:
+        if parent is None:
+            req_disp = str(req)
+        else:
+            req_disp = f"{req} (from {parent.name})"
+
+        cands = self._finder.find_all_candidates(req.project_name)
+        skipped_by_requires_python = self._finder.requires_python_skipped_reasons()
+
+        versions_set: Set[CandidateVersion] = set()
+        yanked_versions_set: Set[CandidateVersion] = set()
+        for c in cands:
+            is_yanked = c.link.is_yanked if c.link else False
+            if is_yanked:
+                yanked_versions_set.add(c.version)
+            else:
+                versions_set.add(c.version)
+
+        versions = [str(v) for v in sorted(versions_set)]
+        yanked_versions = [str(v) for v in sorted(yanked_versions_set)]
+
+        if yanked_versions:
+            # Saying "version X is yanked" isn't entirely accurate.
+            # https://github.com/pypa/pip/issues/11745#issuecomment-1402805842
+            logger.critical(
+                "Ignored the following yanked versions: %s",
+                ", ".join(yanked_versions) or "none",
+            )
+        if skipped_by_requires_python:
+            logger.critical(
+                "Ignored the following versions that require a different python "
+                "version: %s",
+                "; ".join(skipped_by_requires_python) or "none",
+            )
+        logger.critical(
+            "Could not find a version that satisfies the requirement %s "
+            "(from versions: %s)",
+            req_disp,
+            ", ".join(versions) or "none",
+        )
+        if str(req) == "requirements.txt":
+            logger.info(
+                "HINT: You are attempting to install a package literally "
+                'named "requirements.txt" (which cannot exist). Consider '
+                "using the '-r' flag to install the packages listed in "
+                "requirements.txt"
+            )
+
+        return DistributionNotFound(f"No matching distribution found for {req}")
+
+    def get_installation_error(
+        self,
+        e: "ResolutionImpossible[Requirement, Candidate]",
+        constraints: Dict[str, Constraint],
+    ) -> InstallationError:
+        assert e.causes, "Installation error reported with no cause"
+
+        # If one of the things we can't solve is "we need Python X.Y",
+        # that is what we report.
+        requires_python_causes = [
+            cause
+            for cause in e.causes
+            if isinstance(cause.requirement, RequiresPythonRequirement)
+            and not cause.requirement.is_satisfied_by(self._python_candidate)
+        ]
+        if requires_python_causes:
+            # The comprehension above makes sure all Requirement instances are
+            # RequiresPythonRequirement, so let's cast for convenience.
+            return self._report_requires_python_error(
+                cast("Sequence[ConflictCause]", requires_python_causes),
+            )
+
+        # Otherwise, we have a set of causes which can't all be satisfied
+        # at once.
+
+        # The simplest case is when we have *one* cause that can't be
+        # satisfied. We just report that case.
+        if len(e.causes) == 1:
+            req, parent = e.causes[0]
+            if req.name not in constraints:
+                return self._report_single_requirement_conflict(req, parent)
+
+        # OK, we now have a list of requirements that can't all be
+        # satisfied at once.
+
+        # A couple of formatting helpers
+        def text_join(parts: List[str]) -> str:
+            if len(parts) == 1:
+                return parts[0]
+
+            return ", ".join(parts[:-1]) + " and " + parts[-1]
+
+        def describe_trigger(parent: Candidate) -> str:
+            ireq = parent.get_install_requirement()
+            if not ireq or not ireq.comes_from:
+                return f"{parent.name}=={parent.version}"
+            if isinstance(ireq.comes_from, InstallRequirement):
+                return str(ireq.comes_from.name)
+            return str(ireq.comes_from)
+
+        triggers = set()
+        for req, parent in e.causes:
+            if parent is None:
+                # This is a root requirement, so we can report it directly
+                trigger = req.format_for_error()
+            else:
+                trigger = describe_trigger(parent)
+            triggers.add(trigger)
+
+        if triggers:
+            info = text_join(sorted(triggers))
+        else:
+            info = "the requested packages"
+
+        msg = (
+            f"Cannot install {info} because these package versions "
+            "have conflicting dependencies."
+        )
+        logger.critical(msg)
+        msg = "\nThe conflict is caused by:"
+
+        relevant_constraints = set()
+        for req, parent in e.causes:
+            if req.name in constraints:
+                relevant_constraints.add(req.name)
+            msg = msg + "\n    "
+            if parent:
+                msg = msg + f"{parent.name} {parent.version} depends on "
+            else:
+                msg = msg + "The user requested "
+            msg = msg + req.format_for_error()
+        for key in relevant_constraints:
+            spec = constraints[key].specifier
+            msg += f"\n    The user requested (constraint) {key}{spec}"
+
+        msg = (
+            msg
+            + "\n\n"
+            + "To fix this you could try to:\n"
+            + "1. loosen the range of package versions you've specified\n"
+            + "2. remove package versions to allow pip attempt to solve "
+            + "the dependency conflict\n"
+        )
+
+        logger.info(msg)
+
+        return DistributionNotFound(
+            "ResolutionImpossible: for help visit "
+            "https://pip.pypa.io/en/latest/topics/dependency-resolution/"
+            "#dealing-with-dependency-conflicts"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py
new file mode 100644
index 00000000..8663097b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py
@@ -0,0 +1,155 @@
+"""Utilities to lazily create and visit candidates found.
+
+Creating and visiting a candidate is a *very* costly operation. It involves
+fetching, extracting, potentially building modules from source, and verifying
+distribution metadata. It is therefore crucial for performance to keep
+everything here lazy all the way down, so we only touch candidates that we
+absolutely need, and not "download the world" when we only need one version of
+something.
+"""
+
+import functools
+from collections.abc import Sequence
+from typing import TYPE_CHECKING, Any, Callable, Iterator, Optional, Set, Tuple
+
+from pip._vendor.packaging.version import _BaseVersion
+
+from .base import Candidate
+
+IndexCandidateInfo = Tuple[_BaseVersion, Callable[[], Optional[Candidate]]]
+
+if TYPE_CHECKING:
+    SequenceCandidate = Sequence[Candidate]
+else:
+    # For compatibility: Python before 3.9 does not support using [] on the
+    # Sequence class.
+    #
+    # >>> from collections.abc import Sequence
+    # >>> Sequence[str]
+    # Traceback (most recent call last):
+    #   File "<stdin>", line 1, in <module>
+    # TypeError: 'ABCMeta' object is not subscriptable
+    #
+    # TODO: Remove this block after dropping Python 3.8 support.
+    SequenceCandidate = Sequence
+
+
+def _iter_built(infos: Iterator[IndexCandidateInfo]) -> Iterator[Candidate]:
+    """Iterator for ``FoundCandidates``.
+
+    This iterator is used when the package is not already installed. Candidates
+    from index come later in their normal ordering.
+    """
+    versions_found: Set[_BaseVersion] = set()
+    for version, func in infos:
+        if version in versions_found:
+            continue
+        candidate = func()
+        if candidate is None:
+            continue
+        yield candidate
+        versions_found.add(version)
+
+
+def _iter_built_with_prepended(
+    installed: Candidate, infos: Iterator[IndexCandidateInfo]
+) -> Iterator[Candidate]:
+    """Iterator for ``FoundCandidates``.
+
+    This iterator is used when the resolver prefers the already-installed
+    candidate and NOT to upgrade. The installed candidate is therefore
+    always yielded first, and candidates from index come later in their
+    normal ordering, except skipped when the version is already installed.
+    """
+    yield installed
+    versions_found: Set[_BaseVersion] = {installed.version}
+    for version, func in infos:
+        if version in versions_found:
+            continue
+        candidate = func()
+        if candidate is None:
+            continue
+        yield candidate
+        versions_found.add(version)
+
+
+def _iter_built_with_inserted(
+    installed: Candidate, infos: Iterator[IndexCandidateInfo]
+) -> Iterator[Candidate]:
+    """Iterator for ``FoundCandidates``.
+
+    This iterator is used when the resolver prefers to upgrade an
+    already-installed package. Candidates from index are returned in their
+    normal ordering, except replaced when the version is already installed.
+
+    The implementation iterates through and yields other candidates, inserting
+    the installed candidate exactly once before we start yielding older or
+    equivalent candidates, or after all other candidates if they are all newer.
+    """
+    versions_found: Set[_BaseVersion] = set()
+    for version, func in infos:
+        if version in versions_found:
+            continue
+        # If the installed candidate is better, yield it first.
+        if installed.version >= version:
+            yield installed
+            versions_found.add(installed.version)
+        candidate = func()
+        if candidate is None:
+            continue
+        yield candidate
+        versions_found.add(version)
+
+    # If the installed candidate is older than all other candidates.
+    if installed.version not in versions_found:
+        yield installed
+
+
+class FoundCandidates(SequenceCandidate):
+    """A lazy sequence to provide candidates to the resolver.
+
+    The intended usage is to return this from `find_matches()` so the resolver
+    can iterate through the sequence multiple times, but only access the index
+    page when remote packages are actually needed. This improve performances
+    when suitable candidates are already installed on disk.
+    """
+
+    def __init__(
+        self,
+        get_infos: Callable[[], Iterator[IndexCandidateInfo]],
+        installed: Optional[Candidate],
+        prefers_installed: bool,
+        incompatible_ids: Set[int],
+    ):
+        self._get_infos = get_infos
+        self._installed = installed
+        self._prefers_installed = prefers_installed
+        self._incompatible_ids = incompatible_ids
+
+    def __getitem__(self, index: Any) -> Any:
+        # Implemented to satisfy the ABC check. This is not needed by the
+        # resolver, and should not be used by the provider either (for
+        # performance reasons).
+        raise NotImplementedError("don't do this")
+
+    def __iter__(self) -> Iterator[Candidate]:
+        infos = self._get_infos()
+        if not self._installed:
+            iterator = _iter_built(infos)
+        elif self._prefers_installed:
+            iterator = _iter_built_with_prepended(self._installed, infos)
+        else:
+            iterator = _iter_built_with_inserted(self._installed, infos)
+        return (c for c in iterator if id(c) not in self._incompatible_ids)
+
+    def __len__(self) -> int:
+        # Implemented to satisfy the ABC check. This is not needed by the
+        # resolver, and should not be used by the provider either (for
+        # performance reasons).
+        raise NotImplementedError("don't do this")
+
+    @functools.lru_cache(maxsize=1)
+    def __bool__(self) -> bool:
+        if self._prefers_installed and self._installed:
+            return True
+        return any(self)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py
new file mode 100644
index 00000000..315fb9c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py
@@ -0,0 +1,255 @@
+import collections
+import math
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    Iterator,
+    Mapping,
+    Sequence,
+    TypeVar,
+    Union,
+)
+
+from pip._vendor.resolvelib.providers import AbstractProvider
+
+from .base import Candidate, Constraint, Requirement
+from .candidates import REQUIRES_PYTHON_IDENTIFIER
+from .factory import Factory
+
+if TYPE_CHECKING:
+    from pip._vendor.resolvelib.providers import Preference
+    from pip._vendor.resolvelib.resolvers import RequirementInformation
+
+    PreferenceInformation = RequirementInformation[Requirement, Candidate]
+
+    _ProviderBase = AbstractProvider[Requirement, Candidate, str]
+else:
+    _ProviderBase = AbstractProvider
+
+# Notes on the relationship between the provider, the factory, and the
+# candidate and requirement classes.
+#
+# The provider is a direct implementation of the resolvelib class. Its role
+# is to deliver the API that resolvelib expects.
+#
+# Rather than work with completely abstract "requirement" and "candidate"
+# concepts as resolvelib does, pip has concrete classes implementing these two
+# ideas. The API of Requirement and Candidate objects are defined in the base
+# classes, but essentially map fairly directly to the equivalent provider
+# methods. In particular, `find_matches` and `is_satisfied_by` are
+# requirement methods, and `get_dependencies` is a candidate method.
+#
+# The factory is the interface to pip's internal mechanisms. It is stateless,
+# and is created by the resolver and held as a property of the provider. It is
+# responsible for creating Requirement and Candidate objects, and provides
+# services to those objects (access to pip's finder and preparer).
+
+
+D = TypeVar("D")
+V = TypeVar("V")
+
+
+def _get_with_identifier(
+    mapping: Mapping[str, V],
+    identifier: str,
+    default: D,
+) -> Union[D, V]:
+    """Get item from a package name lookup mapping with a resolver identifier.
+
+    This extra logic is needed when the target mapping is keyed by package
+    name, which cannot be directly looked up with an identifier (which may
+    contain requested extras). Additional logic is added to also look up a value
+    by "cleaning up" the extras from the identifier.
+    """
+    if identifier in mapping:
+        return mapping[identifier]
+    # HACK: Theoretically we should check whether this identifier is a valid
+    # "NAME[EXTRAS]" format, and parse out the name part with packaging or
+    # some regular expression. But since pip's resolver only spits out three
+    # kinds of identifiers: normalized PEP 503 names, normalized names plus
+    # extras, and Requires-Python, we can cheat a bit here.
+    name, open_bracket, _ = identifier.partition("[")
+    if open_bracket and name in mapping:
+        return mapping[name]
+    return default
+
+
+class PipProvider(_ProviderBase):
+    """Pip's provider implementation for resolvelib.
+
+    :params constraints: A mapping of constraints specified by the user. Keys
+        are canonicalized project names.
+    :params ignore_dependencies: Whether the user specified ``--no-deps``.
+    :params upgrade_strategy: The user-specified upgrade strategy.
+    :params user_requested: A set of canonicalized package names that the user
+        supplied for pip to install/upgrade.
+    """
+
+    def __init__(
+        self,
+        factory: Factory,
+        constraints: Dict[str, Constraint],
+        ignore_dependencies: bool,
+        upgrade_strategy: str,
+        user_requested: Dict[str, int],
+    ) -> None:
+        self._factory = factory
+        self._constraints = constraints
+        self._ignore_dependencies = ignore_dependencies
+        self._upgrade_strategy = upgrade_strategy
+        self._user_requested = user_requested
+        self._known_depths: Dict[str, float] = collections.defaultdict(lambda: math.inf)
+
+    def identify(self, requirement_or_candidate: Union[Requirement, Candidate]) -> str:
+        return requirement_or_candidate.name
+
+    def get_preference(
+        self,
+        identifier: str,
+        resolutions: Mapping[str, Candidate],
+        candidates: Mapping[str, Iterator[Candidate]],
+        information: Mapping[str, Iterable["PreferenceInformation"]],
+        backtrack_causes: Sequence["PreferenceInformation"],
+    ) -> "Preference":
+        """Produce a sort key for given requirement based on preference.
+
+        The lower the return value is, the more preferred this group of
+        arguments is.
+
+        Currently pip considers the following in order:
+
+        * Prefer if any of the known requirements is "direct", e.g. points to an
+          explicit URL.
+        * If equal, prefer if any requirement is "pinned", i.e. contains
+          operator ``===`` or ``==``.
+        * If equal, calculate an approximate "depth" and resolve requirements
+          closer to the user-specified requirements first. If the depth cannot
+          by determined (eg: due to no matching parents), it is considered
+          infinite.
+        * Order user-specified requirements by the order they are specified.
+        * If equal, prefers "non-free" requirements, i.e. contains at least one
+          operator, such as ``>=`` or ``<``.
+        * If equal, order alphabetically for consistency (helps debuggability).
+        """
+        try:
+            next(iter(information[identifier]))
+        except StopIteration:
+            # There is no information for this identifier, so there's no known
+            # candidates.
+            has_information = False
+        else:
+            has_information = True
+
+        if has_information:
+            lookups = (r.get_candidate_lookup() for r, _ in information[identifier])
+            candidate, ireqs = zip(*lookups)
+        else:
+            candidate, ireqs = None, ()
+
+        operators = [
+            specifier.operator
+            for specifier_set in (ireq.specifier for ireq in ireqs if ireq)
+            for specifier in specifier_set
+        ]
+
+        direct = candidate is not None
+        pinned = any(op[:2] == "==" for op in operators)
+        unfree = bool(operators)
+
+        try:
+            requested_order: Union[int, float] = self._user_requested[identifier]
+        except KeyError:
+            requested_order = math.inf
+            if has_information:
+                parent_depths = (
+                    self._known_depths[parent.name] if parent is not None else 0.0
+                    for _, parent in information[identifier]
+                )
+                inferred_depth = min(d for d in parent_depths) + 1.0
+            else:
+                inferred_depth = math.inf
+        else:
+            inferred_depth = 1.0
+        self._known_depths[identifier] = inferred_depth
+
+        requested_order = self._user_requested.get(identifier, math.inf)
+
+        # Requires-Python has only one candidate and the check is basically
+        # free, so we always do it first to avoid needless work if it fails.
+        requires_python = identifier == REQUIRES_PYTHON_IDENTIFIER
+
+        # Prefer the causes of backtracking on the assumption that the problem
+        # resolving the dependency tree is related to the failures that caused
+        # the backtracking
+        backtrack_cause = self.is_backtrack_cause(identifier, backtrack_causes)
+
+        return (
+            not requires_python,
+            not direct,
+            not pinned,
+            not backtrack_cause,
+            inferred_depth,
+            requested_order,
+            not unfree,
+            identifier,
+        )
+
+    def find_matches(
+        self,
+        identifier: str,
+        requirements: Mapping[str, Iterator[Requirement]],
+        incompatibilities: Mapping[str, Iterator[Candidate]],
+    ) -> Iterable[Candidate]:
+        def _eligible_for_upgrade(identifier: str) -> bool:
+            """Are upgrades allowed for this project?
+
+            This checks the upgrade strategy, and whether the project was one
+            that the user specified in the command line, in order to decide
+            whether we should upgrade if there's a newer version available.
+
+            (Note that we don't need access to the `--upgrade` flag, because
+            an upgrade strategy of "to-satisfy-only" means that `--upgrade`
+            was not specified).
+            """
+            if self._upgrade_strategy == "eager":
+                return True
+            elif self._upgrade_strategy == "only-if-needed":
+                user_order = _get_with_identifier(
+                    self._user_requested,
+                    identifier,
+                    default=None,
+                )
+                return user_order is not None
+            return False
+
+        constraint = _get_with_identifier(
+            self._constraints,
+            identifier,
+            default=Constraint.empty(),
+        )
+        return self._factory.find_candidates(
+            identifier=identifier,
+            requirements=requirements,
+            constraint=constraint,
+            prefers_installed=(not _eligible_for_upgrade(identifier)),
+            incompatibilities=incompatibilities,
+        )
+
+    def is_satisfied_by(self, requirement: Requirement, candidate: Candidate) -> bool:
+        return requirement.is_satisfied_by(candidate)
+
+    def get_dependencies(self, candidate: Candidate) -> Sequence[Requirement]:
+        with_requires = not self._ignore_dependencies
+        return [r for r in candidate.iter_dependencies(with_requires) if r is not None]
+
+    @staticmethod
+    def is_backtrack_cause(
+        identifier: str, backtrack_causes: Sequence["PreferenceInformation"]
+    ) -> bool:
+        for backtrack_cause in backtrack_causes:
+            if identifier == backtrack_cause.requirement.name:
+                return True
+            if backtrack_cause.parent and identifier == backtrack_cause.parent.name:
+                return True
+        return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py
new file mode 100644
index 00000000..12adeff7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py
@@ -0,0 +1,80 @@
+from collections import defaultdict
+from logging import getLogger
+from typing import Any, DefaultDict
+
+from pip._vendor.resolvelib.reporters import BaseReporter
+
+from .base import Candidate, Requirement
+
+logger = getLogger(__name__)
+
+
+class PipReporter(BaseReporter):
+    def __init__(self) -> None:
+        self.reject_count_by_package: DefaultDict[str, int] = defaultdict(int)
+
+        self._messages_at_reject_count = {
+            1: (
+                "pip is looking at multiple versions of {package_name} to "
+                "determine which version is compatible with other "
+                "requirements. This could take a while."
+            ),
+            8: (
+                "pip is still looking at multiple versions of {package_name} to "
+                "determine which version is compatible with other "
+                "requirements. This could take a while."
+            ),
+            13: (
+                "This is taking longer than usual. You might need to provide "
+                "the dependency resolver with stricter constraints to reduce "
+                "runtime. See https://pip.pypa.io/warnings/backtracking for "
+                "guidance. If you want to abort this run, press Ctrl + C."
+            ),
+        }
+
+    def rejecting_candidate(self, criterion: Any, candidate: Candidate) -> None:
+        self.reject_count_by_package[candidate.name] += 1
+
+        count = self.reject_count_by_package[candidate.name]
+        if count not in self._messages_at_reject_count:
+            return
+
+        message = self._messages_at_reject_count[count]
+        logger.info("INFO: %s", message.format(package_name=candidate.name))
+
+        msg = "Will try a different candidate, due to conflict:"
+        for req_info in criterion.information:
+            req, parent = req_info.requirement, req_info.parent
+            # Inspired by Factory.get_installation_error
+            msg += "\n    "
+            if parent:
+                msg += f"{parent.name} {parent.version} depends on "
+            else:
+                msg += "The user requested "
+            msg += req.format_for_error()
+        logger.debug(msg)
+
+
+class PipDebuggingReporter(BaseReporter):
+    """A reporter that does an info log for every event it sees."""
+
+    def starting(self) -> None:
+        logger.info("Reporter.starting()")
+
+    def starting_round(self, index: int) -> None:
+        logger.info("Reporter.starting_round(%r)", index)
+
+    def ending_round(self, index: int, state: Any) -> None:
+        logger.info("Reporter.ending_round(%r, state)", index)
+
+    def ending(self, state: Any) -> None:
+        logger.info("Reporter.ending(%r)", state)
+
+    def adding_requirement(self, requirement: Requirement, parent: Candidate) -> None:
+        logger.info("Reporter.adding_requirement(%r, %r)", requirement, parent)
+
+    def rejecting_candidate(self, criterion: Any, candidate: Candidate) -> None:
+        logger.info("Reporter.rejecting_candidate(%r, %r)", criterion, candidate)
+
+    def pinning(self, candidate: Candidate) -> None:
+        logger.info("Reporter.pinning(%r)", candidate)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py
new file mode 100644
index 00000000..4af4a9f2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py
@@ -0,0 +1,166 @@
+from pip._vendor.packaging.specifiers import SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+
+from pip._internal.req.constructors import install_req_drop_extras
+from pip._internal.req.req_install import InstallRequirement
+
+from .base import Candidate, CandidateLookup, Requirement, format_name
+
+
+class ExplicitRequirement(Requirement):
+    def __init__(self, candidate: Candidate) -> None:
+        self.candidate = candidate
+
+    def __str__(self) -> str:
+        return str(self.candidate)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self.candidate!r})"
+
+    @property
+    def project_name(self) -> NormalizedName:
+        # No need to canonicalize - the candidate did this
+        return self.candidate.project_name
+
+    @property
+    def name(self) -> str:
+        # No need to canonicalize - the candidate did this
+        return self.candidate.name
+
+    def format_for_error(self) -> str:
+        return self.candidate.format_for_error()
+
+    def get_candidate_lookup(self) -> CandidateLookup:
+        return self.candidate, None
+
+    def is_satisfied_by(self, candidate: Candidate) -> bool:
+        return candidate == self.candidate
+
+
+class SpecifierRequirement(Requirement):
+    def __init__(self, ireq: InstallRequirement) -> None:
+        assert ireq.link is None, "This is a link, not a specifier"
+        self._ireq = ireq
+        self._extras = frozenset(canonicalize_name(e) for e in self._ireq.extras)
+
+    def __str__(self) -> str:
+        return str(self._ireq.req)
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({str(self._ireq.req)!r})"
+
+    @property
+    def project_name(self) -> NormalizedName:
+        assert self._ireq.req, "Specifier-backed ireq is always PEP 508"
+        return canonicalize_name(self._ireq.req.name)
+
+    @property
+    def name(self) -> str:
+        return format_name(self.project_name, self._extras)
+
+    def format_for_error(self) -> str:
+        # Convert comma-separated specifiers into "A, B, ..., F and G"
+        # This makes the specifier a bit more "human readable", without
+        # risking a change in meaning. (Hopefully! Not all edge cases have
+        # been checked)
+        parts = [s.strip() for s in str(self).split(",")]
+        if len(parts) == 0:
+            return ""
+        elif len(parts) == 1:
+            return parts[0]
+
+        return ", ".join(parts[:-1]) + " and " + parts[-1]
+
+    def get_candidate_lookup(self) -> CandidateLookup:
+        return None, self._ireq
+
+    def is_satisfied_by(self, candidate: Candidate) -> bool:
+        assert candidate.name == self.name, (
+            f"Internal issue: Candidate is not for this requirement "
+            f"{candidate.name} vs {self.name}"
+        )
+        # We can safely always allow prereleases here since PackageFinder
+        # already implements the prerelease logic, and would have filtered out
+        # prerelease candidates if the user does not expect them.
+        assert self._ireq.req, "Specifier-backed ireq is always PEP 508"
+        spec = self._ireq.req.specifier
+        return spec.contains(candidate.version, prereleases=True)
+
+
+class SpecifierWithoutExtrasRequirement(SpecifierRequirement):
+    """
+    Requirement backed by an install requirement on a base package.
+    Trims extras from its install requirement if there are any.
+    """
+
+    def __init__(self, ireq: InstallRequirement) -> None:
+        assert ireq.link is None, "This is a link, not a specifier"
+        self._ireq = install_req_drop_extras(ireq)
+        self._extras = frozenset(canonicalize_name(e) for e in self._ireq.extras)
+
+
+class RequiresPythonRequirement(Requirement):
+    """A requirement representing Requires-Python metadata."""
+
+    def __init__(self, specifier: SpecifierSet, match: Candidate) -> None:
+        self.specifier = specifier
+        self._candidate = match
+
+    def __str__(self) -> str:
+        return f"Python {self.specifier}"
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({str(self.specifier)!r})"
+
+    @property
+    def project_name(self) -> NormalizedName:
+        return self._candidate.project_name
+
+    @property
+    def name(self) -> str:
+        return self._candidate.name
+
+    def format_for_error(self) -> str:
+        return str(self)
+
+    def get_candidate_lookup(self) -> CandidateLookup:
+        if self.specifier.contains(self._candidate.version, prereleases=True):
+            return self._candidate, None
+        return None, None
+
+    def is_satisfied_by(self, candidate: Candidate) -> bool:
+        assert candidate.name == self._candidate.name, "Not Python candidate"
+        # We can safely always allow prereleases here since PackageFinder
+        # already implements the prerelease logic, and would have filtered out
+        # prerelease candidates if the user does not expect them.
+        return self.specifier.contains(candidate.version, prereleases=True)
+
+
+class UnsatisfiableRequirement(Requirement):
+    """A requirement that cannot be satisfied."""
+
+    def __init__(self, name: NormalizedName) -> None:
+        self._name = name
+
+    def __str__(self) -> str:
+        return f"{self._name} (unavailable)"
+
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({str(self._name)!r})"
+
+    @property
+    def project_name(self) -> NormalizedName:
+        return self._name
+
+    @property
+    def name(self) -> str:
+        return self._name
+
+    def format_for_error(self) -> str:
+        return str(self)
+
+    def get_candidate_lookup(self) -> CandidateLookup:
+        return None, None
+
+    def is_satisfied_by(self, candidate: Candidate) -> bool:
+        return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py
new file mode 100644
index 00000000..c12beef0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py
@@ -0,0 +1,317 @@
+import contextlib
+import functools
+import logging
+import os
+from typing import TYPE_CHECKING, Dict, List, Optional, Set, Tuple, cast
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.resolvelib import BaseReporter, ResolutionImpossible
+from pip._vendor.resolvelib import Resolver as RLResolver
+from pip._vendor.resolvelib.structs import DirectedGraph
+
+from pip._internal.cache import WheelCache
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.constructors import install_req_extend_extras
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_set import RequirementSet
+from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider
+from pip._internal.resolution.resolvelib.provider import PipProvider
+from pip._internal.resolution.resolvelib.reporter import (
+    PipDebuggingReporter,
+    PipReporter,
+)
+from pip._internal.utils.packaging import get_requirement
+
+from .base import Candidate, Requirement
+from .factory import Factory
+
+if TYPE_CHECKING:
+    from pip._vendor.resolvelib.resolvers import Result as RLResult
+
+    Result = RLResult[Requirement, Candidate, str]
+
+
+logger = logging.getLogger(__name__)
+
+
+class Resolver(BaseResolver):
+    _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"}
+
+    def __init__(
+        self,
+        preparer: RequirementPreparer,
+        finder: PackageFinder,
+        wheel_cache: Optional[WheelCache],
+        make_install_req: InstallRequirementProvider,
+        use_user_site: bool,
+        ignore_dependencies: bool,
+        ignore_installed: bool,
+        ignore_requires_python: bool,
+        force_reinstall: bool,
+        upgrade_strategy: str,
+        py_version_info: Optional[Tuple[int, ...]] = None,
+    ):
+        super().__init__()
+        assert upgrade_strategy in self._allowed_strategies
+
+        self.factory = Factory(
+            finder=finder,
+            preparer=preparer,
+            make_install_req=make_install_req,
+            wheel_cache=wheel_cache,
+            use_user_site=use_user_site,
+            force_reinstall=force_reinstall,
+            ignore_installed=ignore_installed,
+            ignore_requires_python=ignore_requires_python,
+            py_version_info=py_version_info,
+        )
+        self.ignore_dependencies = ignore_dependencies
+        self.upgrade_strategy = upgrade_strategy
+        self._result: Optional[Result] = None
+
+    def resolve(
+        self, root_reqs: List[InstallRequirement], check_supported_wheels: bool
+    ) -> RequirementSet:
+        collected = self.factory.collect_root_requirements(root_reqs)
+        provider = PipProvider(
+            factory=self.factory,
+            constraints=collected.constraints,
+            ignore_dependencies=self.ignore_dependencies,
+            upgrade_strategy=self.upgrade_strategy,
+            user_requested=collected.user_requested,
+        )
+        if "PIP_RESOLVER_DEBUG" in os.environ:
+            reporter: BaseReporter = PipDebuggingReporter()
+        else:
+            reporter = PipReporter()
+        resolver: RLResolver[Requirement, Candidate, str] = RLResolver(
+            provider,
+            reporter,
+        )
+
+        try:
+            limit_how_complex_resolution_can_be = 200000
+            result = self._result = resolver.resolve(
+                collected.requirements, max_rounds=limit_how_complex_resolution_can_be
+            )
+
+        except ResolutionImpossible as e:
+            error = self.factory.get_installation_error(
+                cast("ResolutionImpossible[Requirement, Candidate]", e),
+                collected.constraints,
+            )
+            raise error from e
+
+        req_set = RequirementSet(check_supported_wheels=check_supported_wheels)
+        # process candidates with extras last to ensure their base equivalent is
+        # already in the req_set if appropriate.
+        # Python's sort is stable so using a binary key function keeps relative order
+        # within both subsets.
+        for candidate in sorted(
+            result.mapping.values(), key=lambda c: c.name != c.project_name
+        ):
+            ireq = candidate.get_install_requirement()
+            if ireq is None:
+                if candidate.name != candidate.project_name:
+                    # extend existing req's extras
+                    with contextlib.suppress(KeyError):
+                        req = req_set.get_requirement(candidate.project_name)
+                        req_set.add_named_requirement(
+                            install_req_extend_extras(
+                                req, get_requirement(candidate.name).extras
+                            )
+                        )
+                continue
+
+            # Check if there is already an installation under the same name,
+            # and set a flag for later stages to uninstall it, if needed.
+            installed_dist = self.factory.get_dist_to_uninstall(candidate)
+            if installed_dist is None:
+                # There is no existing installation -- nothing to uninstall.
+                ireq.should_reinstall = False
+            elif self.factory.force_reinstall:
+                # The --force-reinstall flag is set -- reinstall.
+                ireq.should_reinstall = True
+            elif installed_dist.version != candidate.version:
+                # The installation is different in version -- reinstall.
+                ireq.should_reinstall = True
+            elif candidate.is_editable or installed_dist.editable:
+                # The incoming distribution is editable, or different in
+                # editable-ness to installation -- reinstall.
+                ireq.should_reinstall = True
+            elif candidate.source_link and candidate.source_link.is_file:
+                # The incoming distribution is under file://
+                if candidate.source_link.is_wheel:
+                    # is a local wheel -- do nothing.
+                    logger.info(
+                        "%s is already installed with the same version as the "
+                        "provided wheel. Use --force-reinstall to force an "
+                        "installation of the wheel.",
+                        ireq.name,
+                    )
+                    continue
+
+                # is a local sdist or path -- reinstall
+                ireq.should_reinstall = True
+            else:
+                continue
+
+            link = candidate.source_link
+            if link and link.is_yanked:
+                # The reason can contain non-ASCII characters, Unicode
+                # is required for Python 2.
+                msg = (
+                    "The candidate selected for download or install is a "
+                    "yanked version: {name!r} candidate (version {version} "
+                    "at {link})\nReason for being yanked: {reason}"
+                ).format(
+                    name=candidate.name,
+                    version=candidate.version,
+                    link=link,
+                    reason=link.yanked_reason or "<none given>",
+                )
+                logger.warning(msg)
+
+            req_set.add_named_requirement(ireq)
+
+        reqs = req_set.all_requirements
+        self.factory.preparer.prepare_linked_requirements_more(reqs)
+        for req in reqs:
+            req.prepared = True
+            req.needs_more_preparation = False
+        return req_set
+
+    def get_installation_order(
+        self, req_set: RequirementSet
+    ) -> List[InstallRequirement]:
+        """Get order for installation of requirements in RequirementSet.
+
+        The returned list contains a requirement before another that depends on
+        it. This helps ensure that the environment is kept consistent as they
+        get installed one-by-one.
+
+        The current implementation creates a topological ordering of the
+        dependency graph, giving more weight to packages with less
+        or no dependencies, while breaking any cycles in the graph at
+        arbitrary points. We make no guarantees about where the cycle
+        would be broken, other than it *would* be broken.
+        """
+        assert self._result is not None, "must call resolve() first"
+
+        if not req_set.requirements:
+            # Nothing is left to install, so we do not need an order.
+            return []
+
+        graph = self._result.graph
+        weights = get_topological_weights(graph, set(req_set.requirements.keys()))
+
+        sorted_items = sorted(
+            req_set.requirements.items(),
+            key=functools.partial(_req_set_item_sorter, weights=weights),
+            reverse=True,
+        )
+        return [ireq for _, ireq in sorted_items]
+
+
+def get_topological_weights(
+    graph: "DirectedGraph[Optional[str]]", requirement_keys: Set[str]
+) -> Dict[Optional[str], int]:
+    """Assign weights to each node based on how "deep" they are.
+
+    This implementation may change at any point in the future without prior
+    notice.
+
+    We first simplify the dependency graph by pruning any leaves and giving them
+    the highest weight: a package without any dependencies should be installed
+    first. This is done again and again in the same way, giving ever less weight
+    to the newly found leaves. The loop stops when no leaves are left: all
+    remaining packages have at least one dependency left in the graph.
+
+    Then we continue with the remaining graph, by taking the length for the
+    longest path to any node from root, ignoring any paths that contain a single
+    node twice (i.e. cycles). This is done through a depth-first search through
+    the graph, while keeping track of the path to the node.
+
+    Cycles in the graph result would result in node being revisited while also
+    being on its own path. In this case, take no action. This helps ensure we
+    don't get stuck in a cycle.
+
+    When assigning weight, the longer path (i.e. larger length) is preferred.
+
+    We are only interested in the weights of packages that are in the
+    requirement_keys.
+    """
+    path: Set[Optional[str]] = set()
+    weights: Dict[Optional[str], int] = {}
+
+    def visit(node: Optional[str]) -> None:
+        if node in path:
+            # We hit a cycle, so we'll break it here.
+            return
+
+        # Time to visit the children!
+        path.add(node)
+        for child in graph.iter_children(node):
+            visit(child)
+        path.remove(node)
+
+        if node not in requirement_keys:
+            return
+
+        last_known_parent_count = weights.get(node, 0)
+        weights[node] = max(last_known_parent_count, len(path))
+
+    # Simplify the graph, pruning leaves that have no dependencies.
+    # This is needed for large graphs (say over 200 packages) because the
+    # `visit` function is exponentially slower then, taking minutes.
+    # See https://github.com/pypa/pip/issues/10557
+    # We will loop until we explicitly break the loop.
+    while True:
+        leaves = set()
+        for key in graph:
+            if key is None:
+                continue
+            for _child in graph.iter_children(key):
+                # This means we have at least one child
+                break
+            else:
+                # No child.
+                leaves.add(key)
+        if not leaves:
+            # We are done simplifying.
+            break
+        # Calculate the weight for the leaves.
+        weight = len(graph) - 1
+        for leaf in leaves:
+            if leaf not in requirement_keys:
+                continue
+            weights[leaf] = weight
+        # Remove the leaves from the graph, making it simpler.
+        for leaf in leaves:
+            graph.remove(leaf)
+
+    # Visit the remaining graph.
+    # `None` is guaranteed to be the root node by resolvelib.
+    visit(None)
+
+    # Sanity check: all requirement keys should be in the weights,
+    # and no other keys should be in the weights.
+    difference = set(weights.keys()).difference(requirement_keys)
+    assert not difference, difference
+
+    return weights
+
+
+def _req_set_item_sorter(
+    item: Tuple[str, InstallRequirement],
+    weights: Dict[Optional[str], int],
+) -> Tuple[int, str]:
+    """Key function used to sort install requirements for installation.
+
+    Based on the "weight" mapping calculated in ``get_installation_order()``.
+    The canonical package name is returned as the second member as a tie-
+    breaker to ensure the result is predictable, which is useful in tests.
+    """
+    name = canonicalize_name(item[0])
+    return weights[name], name
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/self_outdated_check.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/self_outdated_check.py
new file mode 100644
index 00000000..0f64ae0e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/self_outdated_check.py
@@ -0,0 +1,248 @@
+import datetime
+import functools
+import hashlib
+import json
+import logging
+import optparse
+import os.path
+import sys
+from dataclasses import dataclass
+from typing import Any, Callable, Dict, Optional
+
+from pip._vendor.packaging.version import parse as parse_version
+from pip._vendor.rich.console import Group
+from pip._vendor.rich.markup import escape
+from pip._vendor.rich.text import Text
+
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import get_default_environment
+from pip._internal.metadata.base import DistributionVersion
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.network.session import PipSession
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.entrypoints import (
+    get_best_invocation_for_this_pip,
+    get_best_invocation_for_this_python,
+)
+from pip._internal.utils.filesystem import adjacent_tmp_file, check_path_owner, replace
+from pip._internal.utils.misc import ensure_dir
+
+_WEEK = datetime.timedelta(days=7)
+
+logger = logging.getLogger(__name__)
+
+
+def _get_statefile_name(key: str) -> str:
+    key_bytes = key.encode()
+    name = hashlib.sha224(key_bytes).hexdigest()
+    return name
+
+
+def _convert_date(isodate: str) -> datetime.datetime:
+    """Convert an ISO format string to a date.
+
+    Handles the format 2020-01-22T14:24:01Z (trailing Z)
+    which is not supported by older versions of fromisoformat.
+    """
+    return datetime.datetime.fromisoformat(isodate.replace("Z", "+00:00"))
+
+
+class SelfCheckState:
+    def __init__(self, cache_dir: str) -> None:
+        self._state: Dict[str, Any] = {}
+        self._statefile_path = None
+
+        # Try to load the existing state
+        if cache_dir:
+            self._statefile_path = os.path.join(
+                cache_dir, "selfcheck", _get_statefile_name(self.key)
+            )
+            try:
+                with open(self._statefile_path, encoding="utf-8") as statefile:
+                    self._state = json.load(statefile)
+            except (OSError, ValueError, KeyError):
+                # Explicitly suppressing exceptions, since we don't want to
+                # error out if the cache file is invalid.
+                pass
+
+    @property
+    def key(self) -> str:
+        return sys.prefix
+
+    def get(self, current_time: datetime.datetime) -> Optional[str]:
+        """Check if we have a not-outdated version loaded already."""
+        if not self._state:
+            return None
+
+        if "last_check" not in self._state:
+            return None
+
+        if "pypi_version" not in self._state:
+            return None
+
+        # Determine if we need to refresh the state
+        last_check = _convert_date(self._state["last_check"])
+        time_since_last_check = current_time - last_check
+        if time_since_last_check > _WEEK:
+            return None
+
+        return self._state["pypi_version"]
+
+    def set(self, pypi_version: str, current_time: datetime.datetime) -> None:
+        # If we do not have a path to cache in, don't bother saving.
+        if not self._statefile_path:
+            return
+
+        # Check to make sure that we own the directory
+        if not check_path_owner(os.path.dirname(self._statefile_path)):
+            return
+
+        # Now that we've ensured the directory is owned by this user, we'll go
+        # ahead and make sure that all our directories are created.
+        ensure_dir(os.path.dirname(self._statefile_path))
+
+        state = {
+            # Include the key so it's easy to tell which pip wrote the
+            # file.
+            "key": self.key,
+            "last_check": current_time.isoformat(),
+            "pypi_version": pypi_version,
+        }
+
+        text = json.dumps(state, sort_keys=True, separators=(",", ":"))
+
+        with adjacent_tmp_file(self._statefile_path) as f:
+            f.write(text.encode())
+
+        try:
+            # Since we have a prefix-specific state file, we can just
+            # overwrite whatever is there, no need to check.
+            replace(f.name, self._statefile_path)
+        except OSError:
+            # Best effort.
+            pass
+
+
+@dataclass
+class UpgradePrompt:
+    old: str
+    new: str
+
+    def __rich__(self) -> Group:
+        if WINDOWS:
+            pip_cmd = f"{get_best_invocation_for_this_python()} -m pip"
+        else:
+            pip_cmd = get_best_invocation_for_this_pip()
+
+        notice = "[bold][[reset][blue]notice[reset][bold]][reset]"
+        return Group(
+            Text(),
+            Text.from_markup(
+                f"{notice} A new release of pip is available: "
+                f"[red]{self.old}[reset] -> [green]{self.new}[reset]"
+            ),
+            Text.from_markup(
+                f"{notice} To update, run: "
+                f"[green]{escape(pip_cmd)} install --upgrade pip"
+            ),
+        )
+
+
+def was_installed_by_pip(pkg: str) -> bool:
+    """Checks whether pkg was installed by pip
+
+    This is used not to display the upgrade message when pip is in fact
+    installed by system package manager, such as dnf on Fedora.
+    """
+    dist = get_default_environment().get_distribution(pkg)
+    return dist is not None and "pip" == dist.installer
+
+
+def _get_current_remote_pip_version(
+    session: PipSession, options: optparse.Values
+) -> Optional[str]:
+    # Lets use PackageFinder to see what the latest pip version is
+    link_collector = LinkCollector.create(
+        session,
+        options=options,
+        suppress_no_index=True,
+    )
+
+    # Pass allow_yanked=False so we don't suggest upgrading to a
+    # yanked version.
+    selection_prefs = SelectionPreferences(
+        allow_yanked=False,
+        allow_all_prereleases=False,  # Explicitly set to False
+    )
+
+    finder = PackageFinder.create(
+        link_collector=link_collector,
+        selection_prefs=selection_prefs,
+    )
+    best_candidate = finder.find_best_candidate("pip").best_candidate
+    if best_candidate is None:
+        return None
+
+    return str(best_candidate.version)
+
+
+def _self_version_check_logic(
+    *,
+    state: SelfCheckState,
+    current_time: datetime.datetime,
+    local_version: DistributionVersion,
+    get_remote_version: Callable[[], Optional[str]],
+) -> Optional[UpgradePrompt]:
+    remote_version_str = state.get(current_time)
+    if remote_version_str is None:
+        remote_version_str = get_remote_version()
+        if remote_version_str is None:
+            logger.debug("No remote pip version found")
+            return None
+        state.set(remote_version_str, current_time)
+
+    remote_version = parse_version(remote_version_str)
+    logger.debug("Remote version of pip: %s", remote_version)
+    logger.debug("Local version of pip:  %s", local_version)
+
+    pip_installed_by_pip = was_installed_by_pip("pip")
+    logger.debug("Was pip installed by pip? %s", pip_installed_by_pip)
+    if not pip_installed_by_pip:
+        return None  # Only suggest upgrade if pip is installed by pip.
+
+    local_version_is_older = (
+        local_version < remote_version
+        and local_version.base_version != remote_version.base_version
+    )
+    if local_version_is_older:
+        return UpgradePrompt(old=str(local_version), new=remote_version_str)
+
+    return None
+
+
+def pip_self_version_check(session: PipSession, options: optparse.Values) -> None:
+    """Check for an update for pip.
+
+    Limit the frequency of checks to once per week. State is stored either in
+    the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix
+    of the pip script path.
+    """
+    installed_dist = get_default_environment().get_distribution("pip")
+    if not installed_dist:
+        return
+
+    try:
+        upgrade_prompt = _self_version_check_logic(
+            state=SelfCheckState(cache_dir=options.cache_dir),
+            current_time=datetime.datetime.now(datetime.timezone.utc),
+            local_version=installed_dist.version,
+            get_remote_version=functools.partial(
+                _get_current_remote_pip_version, session, options
+            ),
+        )
+        if upgrade_prompt is not None:
+            logger.warning("%s", upgrade_prompt, extra={"rich": True})
+    except Exception:
+        logger.warning("There was an error checking the latest version of pip.")
+        logger.debug("See below for error", exc_info=True)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/_jaraco_text.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/_jaraco_text.py
new file mode 100644
index 00000000..e06947c0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/_jaraco_text.py
@@ -0,0 +1,109 @@
+"""Functions brought over from jaraco.text.
+
+These functions are not supposed to be used within `pip._internal`. These are
+helper functions brought over from `jaraco.text` to enable vendoring newer
+copies of `pkg_resources` without having to vendor `jaraco.text` and its entire
+dependency cone; something that our vendoring setup is not currently capable of
+handling.
+
+License reproduced from original source below:
+
+Copyright Jason R. Coombs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+import functools
+import itertools
+
+
+def _nonblank(str):
+    return str and not str.startswith("#")
+
+
+@functools.singledispatch
+def yield_lines(iterable):
+    r"""
+    Yield valid lines of a string or iterable.
+
+    >>> list(yield_lines(''))
+    []
+    >>> list(yield_lines(['foo', 'bar']))
+    ['foo', 'bar']
+    >>> list(yield_lines('foo\nbar'))
+    ['foo', 'bar']
+    >>> list(yield_lines('\nfoo\n#bar\nbaz #comment'))
+    ['foo', 'baz #comment']
+    >>> list(yield_lines(['foo\nbar', 'baz', 'bing\n\n\n']))
+    ['foo', 'bar', 'baz', 'bing']
+    """
+    return itertools.chain.from_iterable(map(yield_lines, iterable))
+
+
+@yield_lines.register(str)
+def _(text):
+    return filter(_nonblank, map(str.strip, text.splitlines()))
+
+
+def drop_comment(line):
+    """
+    Drop comments.
+
+    >>> drop_comment('foo # bar')
+    'foo'
+
+    A hash without a space may be in a URL.
+
+    >>> drop_comment('http://example.com/foo#bar')
+    'http://example.com/foo#bar'
+    """
+    return line.partition(" #")[0]
+
+
+def join_continuation(lines):
+    r"""
+    Join lines continued by a trailing backslash.
+
+    >>> list(join_continuation(['foo \\', 'bar', 'baz']))
+    ['foobar', 'baz']
+    >>> list(join_continuation(['foo \\', 'bar', 'baz']))
+    ['foobar', 'baz']
+    >>> list(join_continuation(['foo \\', 'bar \\', 'baz']))
+    ['foobarbaz']
+
+    Not sure why, but...
+    The character preceeding the backslash is also elided.
+
+    >>> list(join_continuation(['goo\\', 'dly']))
+    ['godly']
+
+    A terrible idea, but...
+    If no line is available to continue, suppress the lines.
+
+    >>> list(join_continuation(['foo', 'bar\\', 'baz\\']))
+    ['foo']
+    """
+    lines = iter(lines)
+    for item in lines:
+        while item.endswith("\\"):
+            try:
+                item = item[:-2].strip() + next(lines)
+            except StopIteration:
+                return
+        yield item
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/_log.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/_log.py
new file mode 100644
index 00000000..92c4c6a1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/_log.py
@@ -0,0 +1,38 @@
+"""Customize logging
+
+Defines custom logger class for the `logger.verbose(...)` method.
+
+init_logging() must be called before any other modules that call logging.getLogger.
+"""
+
+import logging
+from typing import Any, cast
+
+# custom log level for `--verbose` output
+# between DEBUG and INFO
+VERBOSE = 15
+
+
+class VerboseLogger(logging.Logger):
+    """Custom Logger, defining a verbose log-level
+
+    VERBOSE is between INFO and DEBUG.
+    """
+
+    def verbose(self, msg: str, *args: Any, **kwargs: Any) -> None:
+        return self.log(VERBOSE, msg, *args, **kwargs)
+
+
+def getLogger(name: str) -> VerboseLogger:
+    """logging.getLogger, but ensures our VerboseLogger class is returned"""
+    return cast(VerboseLogger, logging.getLogger(name))
+
+
+def init_logging() -> None:
+    """Register our VerboseLogger and VERBOSE log level.
+
+    Should be called before any calls to getLogger(),
+    i.e. in pip._internal.__init__
+    """
+    logging.setLoggerClass(VerboseLogger)
+    logging.addLevelName(VERBOSE, "VERBOSE")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/appdirs.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/appdirs.py
new file mode 100644
index 00000000..16933bf8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/appdirs.py
@@ -0,0 +1,52 @@
+"""
+This code wraps the vendored appdirs module to so the return values are
+compatible for the current pip code base.
+
+The intention is to rewrite current usages gradually, keeping the tests pass,
+and eventually drop this after all usages are changed.
+"""
+
+import os
+import sys
+from typing import List
+
+from pip._vendor import platformdirs as _appdirs
+
+
+def user_cache_dir(appname: str) -> str:
+    return _appdirs.user_cache_dir(appname, appauthor=False)
+
+
+def _macos_user_config_dir(appname: str, roaming: bool = True) -> str:
+    # Use ~/Application Support/pip, if the directory exists.
+    path = _appdirs.user_data_dir(appname, appauthor=False, roaming=roaming)
+    if os.path.isdir(path):
+        return path
+
+    # Use a Linux-like ~/.config/pip, by default.
+    linux_like_path = "~/.config/"
+    if appname:
+        linux_like_path = os.path.join(linux_like_path, appname)
+
+    return os.path.expanduser(linux_like_path)
+
+
+def user_config_dir(appname: str, roaming: bool = True) -> str:
+    if sys.platform == "darwin":
+        return _macos_user_config_dir(appname, roaming)
+
+    return _appdirs.user_config_dir(appname, appauthor=False, roaming=roaming)
+
+
+# for the discussion regarding site_config_dir locations
+# see <https://github.com/pypa/pip/issues/1733>
+def site_config_dirs(appname: str) -> List[str]:
+    if sys.platform == "darwin":
+        return [_appdirs.site_data_dir(appname, appauthor=False, multipath=True)]
+
+    dirval = _appdirs.site_config_dir(appname, appauthor=False, multipath=True)
+    if sys.platform == "win32":
+        return [dirval]
+
+    # Unix-y system. Look in /etc as well.
+    return dirval.split(os.pathsep) + ["/etc"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/compat.py
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index 00000000..3f4d300c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/compat.py
@@ -0,0 +1,63 @@
+"""Stuff that differs in different Python versions and platform
+distributions."""
+
+import logging
+import os
+import sys
+
+__all__ = ["get_path_uid", "stdlib_pkgs", "WINDOWS"]
+
+
+logger = logging.getLogger(__name__)
+
+
+def has_tls() -> bool:
+    try:
+        import _ssl  # noqa: F401  # ignore unused
+
+        return True
+    except ImportError:
+        pass
+
+    from pip._vendor.urllib3.util import IS_PYOPENSSL
+
+    return IS_PYOPENSSL
+
+
+def get_path_uid(path: str) -> int:
+    """
+    Return path's uid.
+
+    Does not follow symlinks:
+        https://github.com/pypa/pip/pull/935#discussion_r5307003
+
+    Placed this function in compat due to differences on AIX and
+    Jython, that should eventually go away.
+
+    :raises OSError: When path is a symlink or can't be read.
+    """
+    if hasattr(os, "O_NOFOLLOW"):
+        fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW)
+        file_uid = os.fstat(fd).st_uid
+        os.close(fd)
+    else:  # AIX and Jython
+        # WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW
+        if not os.path.islink(path):
+            # older versions of Jython don't have `os.fstat`
+            file_uid = os.stat(path).st_uid
+        else:
+            # raise OSError for parity with os.O_NOFOLLOW above
+            raise OSError(f"{path} is a symlink; Will not return uid for symlinks")
+    return file_uid
+
+
+# packages in the stdlib that may have installation metadata, but should not be
+# considered 'installed'.  this theoretically could be determined based on
+# dist.location (py27:`sysconfig.get_paths()['stdlib']`,
+# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may
+# make this ineffective, so hard-coding
+stdlib_pkgs = {"python", "wsgiref", "argparse"}
+
+
+# windows detection, covers cpython and ironpython
+WINDOWS = sys.platform.startswith("win") or (sys.platform == "cli" and os.name == "nt")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/compatibility_tags.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/compatibility_tags.py
new file mode 100644
index 00000000..b6ed9a78
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/compatibility_tags.py
@@ -0,0 +1,165 @@
+"""Generate and work with PEP 425 Compatibility Tags.
+"""
+
+import re
+from typing import List, Optional, Tuple
+
+from pip._vendor.packaging.tags import (
+    PythonVersion,
+    Tag,
+    compatible_tags,
+    cpython_tags,
+    generic_tags,
+    interpreter_name,
+    interpreter_version,
+    mac_platforms,
+)
+
+_osx_arch_pat = re.compile(r"(.+)_(\d+)_(\d+)_(.+)")
+
+
+def version_info_to_nodot(version_info: Tuple[int, ...]) -> str:
+    # Only use up to the first two numbers.
+    return "".join(map(str, version_info[:2]))
+
+
+def _mac_platforms(arch: str) -> List[str]:
+    match = _osx_arch_pat.match(arch)
+    if match:
+        name, major, minor, actual_arch = match.groups()
+        mac_version = (int(major), int(minor))
+        arches = [
+            # Since we have always only checked that the platform starts
+            # with "macosx", for backwards-compatibility we extract the
+            # actual prefix provided by the user in case they provided
+            # something like "macosxcustom_". It may be good to remove
+            # this as undocumented or deprecate it in the future.
+            "{}_{}".format(name, arch[len("macosx_") :])
+            for arch in mac_platforms(mac_version, actual_arch)
+        ]
+    else:
+        # arch pattern didn't match (?!)
+        arches = [arch]
+    return arches
+
+
+def _custom_manylinux_platforms(arch: str) -> List[str]:
+    arches = [arch]
+    arch_prefix, arch_sep, arch_suffix = arch.partition("_")
+    if arch_prefix == "manylinux2014":
+        # manylinux1/manylinux2010 wheels run on most manylinux2014 systems
+        # with the exception of wheels depending on ncurses. PEP 599 states
+        # manylinux1/manylinux2010 wheels should be considered
+        # manylinux2014 wheels:
+        # https://www.python.org/dev/peps/pep-0599/#backwards-compatibility-with-manylinux2010-wheels
+        if arch_suffix in {"i686", "x86_64"}:
+            arches.append("manylinux2010" + arch_sep + arch_suffix)
+            arches.append("manylinux1" + arch_sep + arch_suffix)
+    elif arch_prefix == "manylinux2010":
+        # manylinux1 wheels run on most manylinux2010 systems with the
+        # exception of wheels depending on ncurses. PEP 571 states
+        # manylinux1 wheels should be considered manylinux2010 wheels:
+        # https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels
+        arches.append("manylinux1" + arch_sep + arch_suffix)
+    return arches
+
+
+def _get_custom_platforms(arch: str) -> List[str]:
+    arch_prefix, arch_sep, arch_suffix = arch.partition("_")
+    if arch.startswith("macosx"):
+        arches = _mac_platforms(arch)
+    elif arch_prefix in ["manylinux2014", "manylinux2010"]:
+        arches = _custom_manylinux_platforms(arch)
+    else:
+        arches = [arch]
+    return arches
+
+
+def _expand_allowed_platforms(platforms: Optional[List[str]]) -> Optional[List[str]]:
+    if not platforms:
+        return None
+
+    seen = set()
+    result = []
+
+    for p in platforms:
+        if p in seen:
+            continue
+        additions = [c for c in _get_custom_platforms(p) if c not in seen]
+        seen.update(additions)
+        result.extend(additions)
+
+    return result
+
+
+def _get_python_version(version: str) -> PythonVersion:
+    if len(version) > 1:
+        return int(version[0]), int(version[1:])
+    else:
+        return (int(version[0]),)
+
+
+def _get_custom_interpreter(
+    implementation: Optional[str] = None, version: Optional[str] = None
+) -> str:
+    if implementation is None:
+        implementation = interpreter_name()
+    if version is None:
+        version = interpreter_version()
+    return f"{implementation}{version}"
+
+
+def get_supported(
+    version: Optional[str] = None,
+    platforms: Optional[List[str]] = None,
+    impl: Optional[str] = None,
+    abis: Optional[List[str]] = None,
+) -> List[Tag]:
+    """Return a list of supported tags for each version specified in
+    `versions`.
+
+    :param version: a string version, of the form "33" or "32",
+        or None. The version will be assumed to support our ABI.
+    :param platform: specify a list of platforms you want valid
+        tags for, or None. If None, use the local system platform.
+    :param impl: specify the exact implementation you want valid
+        tags for, or None. If None, use the local interpreter impl.
+    :param abis: specify a list of abis you want valid
+        tags for, or None. If None, use the local interpreter abi.
+    """
+    supported: List[Tag] = []
+
+    python_version: Optional[PythonVersion] = None
+    if version is not None:
+        python_version = _get_python_version(version)
+
+    interpreter = _get_custom_interpreter(impl, version)
+
+    platforms = _expand_allowed_platforms(platforms)
+
+    is_cpython = (impl or interpreter_name()) == "cp"
+    if is_cpython:
+        supported.extend(
+            cpython_tags(
+                python_version=python_version,
+                abis=abis,
+                platforms=platforms,
+            )
+        )
+    else:
+        supported.extend(
+            generic_tags(
+                interpreter=interpreter,
+                abis=abis,
+                platforms=platforms,
+            )
+        )
+    supported.extend(
+        compatible_tags(
+            python_version=python_version,
+            interpreter=interpreter,
+            platforms=platforms,
+        )
+    )
+
+    return supported
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/datetime.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/datetime.py
new file mode 100644
index 00000000..8668b3b0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/datetime.py
@@ -0,0 +1,11 @@
+"""For when pip wants to check the date or time.
+"""
+
+import datetime
+
+
+def today_is_later_than(year: int, month: int, day: int) -> bool:
+    today = datetime.date.today()
+    given = datetime.date(year, month, day)
+
+    return today > given
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/deprecation.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/deprecation.py
new file mode 100644
index 00000000..72bd6f25
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/deprecation.py
@@ -0,0 +1,120 @@
+"""
+A module that implements tooling to enable easy warnings about deprecations.
+"""
+
+import logging
+import warnings
+from typing import Any, Optional, TextIO, Type, Union
+
+from pip._vendor.packaging.version import parse
+
+from pip import __version__ as current_version  # NOTE: tests patch this name.
+
+DEPRECATION_MSG_PREFIX = "DEPRECATION: "
+
+
+class PipDeprecationWarning(Warning):
+    pass
+
+
+_original_showwarning: Any = None
+
+
+# Warnings <-> Logging Integration
+def _showwarning(
+    message: Union[Warning, str],
+    category: Type[Warning],
+    filename: str,
+    lineno: int,
+    file: Optional[TextIO] = None,
+    line: Optional[str] = None,
+) -> None:
+    if file is not None:
+        if _original_showwarning is not None:
+            _original_showwarning(message, category, filename, lineno, file, line)
+    elif issubclass(category, PipDeprecationWarning):
+        # We use a specially named logger which will handle all of the
+        # deprecation messages for pip.
+        logger = logging.getLogger("pip._internal.deprecations")
+        logger.warning(message)
+    else:
+        _original_showwarning(message, category, filename, lineno, file, line)
+
+
+def install_warning_logger() -> None:
+    # Enable our Deprecation Warnings
+    warnings.simplefilter("default", PipDeprecationWarning, append=True)
+
+    global _original_showwarning
+
+    if _original_showwarning is None:
+        _original_showwarning = warnings.showwarning
+        warnings.showwarning = _showwarning
+
+
+def deprecated(
+    *,
+    reason: str,
+    replacement: Optional[str],
+    gone_in: Optional[str],
+    feature_flag: Optional[str] = None,
+    issue: Optional[int] = None,
+) -> None:
+    """Helper to deprecate existing functionality.
+
+    reason:
+        Textual reason shown to the user about why this functionality has
+        been deprecated. Should be a complete sentence.
+    replacement:
+        Textual suggestion shown to the user about what alternative
+        functionality they can use.
+    gone_in:
+        The version of pip does this functionality should get removed in.
+        Raises an error if pip's current version is greater than or equal to
+        this.
+    feature_flag:
+        Command-line flag of the form --use-feature={feature_flag} for testing
+        upcoming functionality.
+    issue:
+        Issue number on the tracker that would serve as a useful place for
+        users to find related discussion and provide feedback.
+    """
+
+    # Determine whether or not the feature is already gone in this version.
+    is_gone = gone_in is not None and parse(current_version) >= parse(gone_in)
+
+    message_parts = [
+        (reason, f"{DEPRECATION_MSG_PREFIX}{{}}"),
+        (
+            gone_in,
+            "pip {} will enforce this behaviour change."
+            if not is_gone
+            else "Since pip {}, this is no longer supported.",
+        ),
+        (
+            replacement,
+            "A possible replacement is {}.",
+        ),
+        (
+            feature_flag,
+            "You can use the flag --use-feature={} to test the upcoming behaviour."
+            if not is_gone
+            else None,
+        ),
+        (
+            issue,
+            "Discussion can be found at https://github.com/pypa/pip/issues/{}",
+        ),
+    ]
+
+    message = " ".join(
+        format_str.format(value)
+        for value, format_str in message_parts
+        if format_str is not None and value is not None
+    )
+
+    # Raise as an error if this behaviour is deprecated.
+    if is_gone:
+        raise PipDeprecationWarning(message)
+
+    warnings.warn(message, category=PipDeprecationWarning, stacklevel=2)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py
new file mode 100644
index 00000000..0e8e5e16
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py
@@ -0,0 +1,87 @@
+from typing import Optional
+
+from pip._internal.models.direct_url import ArchiveInfo, DirectUrl, DirInfo, VcsInfo
+from pip._internal.models.link import Link
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs import vcs
+
+
+def direct_url_as_pep440_direct_reference(direct_url: DirectUrl, name: str) -> str:
+    """Convert a DirectUrl to a pip requirement string."""
+    direct_url.validate()  # if invalid, this is a pip bug
+    requirement = name + " @ "
+    fragments = []
+    if isinstance(direct_url.info, VcsInfo):
+        requirement += "{}+{}@{}".format(
+            direct_url.info.vcs, direct_url.url, direct_url.info.commit_id
+        )
+    elif isinstance(direct_url.info, ArchiveInfo):
+        requirement += direct_url.url
+        if direct_url.info.hash:
+            fragments.append(direct_url.info.hash)
+    else:
+        assert isinstance(direct_url.info, DirInfo)
+        requirement += direct_url.url
+    if direct_url.subdirectory:
+        fragments.append("subdirectory=" + direct_url.subdirectory)
+    if fragments:
+        requirement += "#" + "&".join(fragments)
+    return requirement
+
+
+def direct_url_for_editable(source_dir: str) -> DirectUrl:
+    return DirectUrl(
+        url=path_to_url(source_dir),
+        info=DirInfo(editable=True),
+    )
+
+
+def direct_url_from_link(
+    link: Link, source_dir: Optional[str] = None, link_is_in_wheel_cache: bool = False
+) -> DirectUrl:
+    if link.is_vcs:
+        vcs_backend = vcs.get_backend_for_scheme(link.scheme)
+        assert vcs_backend
+        url, requested_revision, _ = vcs_backend.get_url_rev_and_auth(
+            link.url_without_fragment
+        )
+        # For VCS links, we need to find out and add commit_id.
+        if link_is_in_wheel_cache:
+            # If the requested VCS link corresponds to a cached
+            # wheel, it means the requested revision was an
+            # immutable commit hash, otherwise it would not have
+            # been cached. In that case we don't have a source_dir
+            # with the VCS checkout.
+            assert requested_revision
+            commit_id = requested_revision
+        else:
+            # If the wheel was not in cache, it means we have
+            # had to checkout from VCS to build and we have a source_dir
+            # which we can inspect to find out the commit id.
+            assert source_dir
+            commit_id = vcs_backend.get_revision(source_dir)
+        return DirectUrl(
+            url=url,
+            info=VcsInfo(
+                vcs=vcs_backend.name,
+                commit_id=commit_id,
+                requested_revision=requested_revision,
+            ),
+            subdirectory=link.subdirectory_fragment,
+        )
+    elif link.is_existing_dir():
+        return DirectUrl(
+            url=link.url_without_fragment,
+            info=DirInfo(),
+            subdirectory=link.subdirectory_fragment,
+        )
+    else:
+        hash = None
+        hash_name = link.hash_name
+        if hash_name:
+            hash = f"{hash_name}={link.hash}"
+        return DirectUrl(
+            url=link.url_without_fragment,
+            info=ArchiveInfo(hash=hash),
+            subdirectory=link.subdirectory_fragment,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/egg_link.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/egg_link.py
new file mode 100644
index 00000000..4a384a63
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/egg_link.py
@@ -0,0 +1,80 @@
+import os
+import re
+import sys
+from typing import List, Optional
+
+from pip._internal.locations import site_packages, user_site
+from pip._internal.utils.virtualenv import (
+    running_under_virtualenv,
+    virtualenv_no_global,
+)
+
+__all__ = [
+    "egg_link_path_from_sys_path",
+    "egg_link_path_from_location",
+]
+
+
+def _egg_link_names(raw_name: str) -> List[str]:
+    """
+    Convert a Name metadata value to a .egg-link name, by applying
+    the same substitution as pkg_resources's safe_name function.
+    Note: we cannot use canonicalize_name because it has a different logic.
+
+    We also look for the raw name (without normalization) as setuptools 69 changed
+    the way it names .egg-link files (https://github.com/pypa/setuptools/issues/4167).
+    """
+    return [
+        re.sub("[^A-Za-z0-9.]+", "-", raw_name) + ".egg-link",
+        f"{raw_name}.egg-link",
+    ]
+
+
+def egg_link_path_from_sys_path(raw_name: str) -> Optional[str]:
+    """
+    Look for a .egg-link file for project name, by walking sys.path.
+    """
+    egg_link_names = _egg_link_names(raw_name)
+    for path_item in sys.path:
+        for egg_link_name in egg_link_names:
+            egg_link = os.path.join(path_item, egg_link_name)
+            if os.path.isfile(egg_link):
+                return egg_link
+    return None
+
+
+def egg_link_path_from_location(raw_name: str) -> Optional[str]:
+    """
+    Return the path for the .egg-link file if it exists, otherwise, None.
+
+    There's 3 scenarios:
+    1) not in a virtualenv
+       try to find in site.USER_SITE, then site_packages
+    2) in a no-global virtualenv
+       try to find in site_packages
+    3) in a yes-global virtualenv
+       try to find in site_packages, then site.USER_SITE
+       (don't look in global location)
+
+    For #1 and #3, there could be odd cases, where there's an egg-link in 2
+    locations.
+
+    This method will just return the first one found.
+    """
+    sites: List[str] = []
+    if running_under_virtualenv():
+        sites.append(site_packages)
+        if not virtualenv_no_global() and user_site:
+            sites.append(user_site)
+    else:
+        if user_site:
+            sites.append(user_site)
+        sites.append(site_packages)
+
+    egg_link_names = _egg_link_names(raw_name)
+    for site in sites:
+        for egg_link_name in egg_link_names:
+            egglink = os.path.join(site, egg_link_name)
+            if os.path.isfile(egglink):
+                return egglink
+    return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/encoding.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/encoding.py
new file mode 100644
index 00000000..008f06a7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/encoding.py
@@ -0,0 +1,36 @@
+import codecs
+import locale
+import re
+import sys
+from typing import List, Tuple
+
+BOMS: List[Tuple[bytes, str]] = [
+    (codecs.BOM_UTF8, "utf-8"),
+    (codecs.BOM_UTF16, "utf-16"),
+    (codecs.BOM_UTF16_BE, "utf-16-be"),
+    (codecs.BOM_UTF16_LE, "utf-16-le"),
+    (codecs.BOM_UTF32, "utf-32"),
+    (codecs.BOM_UTF32_BE, "utf-32-be"),
+    (codecs.BOM_UTF32_LE, "utf-32-le"),
+]
+
+ENCODING_RE = re.compile(rb"coding[:=]\s*([-\w.]+)")
+
+
+def auto_decode(data: bytes) -> str:
+    """Check a bytes string for a BOM to correctly detect the encoding
+
+    Fallback to locale.getpreferredencoding(False) like open() on Python3"""
+    for bom, encoding in BOMS:
+        if data.startswith(bom):
+            return data[len(bom) :].decode(encoding)
+    # Lets check the first two lines as in PEP263
+    for line in data.split(b"\n")[:2]:
+        if line[0:1] == b"#" and ENCODING_RE.search(line):
+            result = ENCODING_RE.search(line)
+            assert result is not None
+            encoding = result.groups()[0].decode("ascii")
+            return data.decode(encoding)
+    return data.decode(
+        locale.getpreferredencoding(False) or sys.getdefaultencoding(),
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/entrypoints.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/entrypoints.py
new file mode 100644
index 00000000..15013693
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/entrypoints.py
@@ -0,0 +1,84 @@
+import itertools
+import os
+import shutil
+import sys
+from typing import List, Optional
+
+from pip._internal.cli.main import main
+from pip._internal.utils.compat import WINDOWS
+
+_EXECUTABLE_NAMES = [
+    "pip",
+    f"pip{sys.version_info.major}",
+    f"pip{sys.version_info.major}.{sys.version_info.minor}",
+]
+if WINDOWS:
+    _allowed_extensions = {"", ".exe"}
+    _EXECUTABLE_NAMES = [
+        "".join(parts)
+        for parts in itertools.product(_EXECUTABLE_NAMES, _allowed_extensions)
+    ]
+
+
+def _wrapper(args: Optional[List[str]] = None) -> int:
+    """Central wrapper for all old entrypoints.
+
+    Historically pip has had several entrypoints defined. Because of issues
+    arising from PATH, sys.path, multiple Pythons, their interactions, and most
+    of them having a pip installed, users suffer every time an entrypoint gets
+    moved.
+
+    To alleviate this pain, and provide a mechanism for warning users and
+    directing them to an appropriate place for help, we now define all of
+    our old entrypoints as wrappers for the current one.
+    """
+    sys.stderr.write(
+        "WARNING: pip is being invoked by an old script wrapper. This will "
+        "fail in a future version of pip.\n"
+        "Please see https://github.com/pypa/pip/issues/5599 for advice on "
+        "fixing the underlying issue.\n"
+        "To avoid this problem you can invoke Python with '-m pip' instead of "
+        "running pip directly.\n"
+    )
+    return main(args)
+
+
+def get_best_invocation_for_this_pip() -> str:
+    """Try to figure out the best way to invoke pip in the current environment."""
+    binary_directory = "Scripts" if WINDOWS else "bin"
+    binary_prefix = os.path.join(sys.prefix, binary_directory)
+
+    # Try to use pip[X[.Y]] names, if those executables for this environment are
+    # the first on PATH with that name.
+    path_parts = os.path.normcase(os.environ.get("PATH", "")).split(os.pathsep)
+    exe_are_in_PATH = os.path.normcase(binary_prefix) in path_parts
+    if exe_are_in_PATH:
+        for exe_name in _EXECUTABLE_NAMES:
+            found_executable = shutil.which(exe_name)
+            binary_executable = os.path.join(binary_prefix, exe_name)
+            if (
+                found_executable
+                and os.path.exists(binary_executable)
+                and os.path.samefile(
+                    found_executable,
+                    binary_executable,
+                )
+            ):
+                return exe_name
+
+    # Use the `-m` invocation, if there's no "nice" invocation.
+    return f"{get_best_invocation_for_this_python()} -m pip"
+
+
+def get_best_invocation_for_this_python() -> str:
+    """Try to figure out the best way to invoke the current Python."""
+    exe = sys.executable
+    exe_name = os.path.basename(exe)
+
+    # Try to use the basename, if it's the first executable.
+    found_executable = shutil.which(exe_name)
+    if found_executable and os.path.samefile(found_executable, exe):
+        return exe_name
+
+    # Use the full executable name, because we couldn't find something simpler.
+    return exe
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/filesystem.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/filesystem.py
new file mode 100644
index 00000000..83c2df75
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/filesystem.py
@@ -0,0 +1,153 @@
+import fnmatch
+import os
+import os.path
+import random
+import sys
+from contextlib import contextmanager
+from tempfile import NamedTemporaryFile
+from typing import Any, BinaryIO, Generator, List, Union, cast
+
+from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed
+
+from pip._internal.utils.compat import get_path_uid
+from pip._internal.utils.misc import format_size
+
+
+def check_path_owner(path: str) -> bool:
+    # If we don't have a way to check the effective uid of this process, then
+    # we'll just assume that we own the directory.
+    if sys.platform == "win32" or not hasattr(os, "geteuid"):
+        return True
+
+    assert os.path.isabs(path)
+
+    previous = None
+    while path != previous:
+        if os.path.lexists(path):
+            # Check if path is writable by current user.
+            if os.geteuid() == 0:
+                # Special handling for root user in order to handle properly
+                # cases where users use sudo without -H flag.
+                try:
+                    path_uid = get_path_uid(path)
+                except OSError:
+                    return False
+                return path_uid == 0
+            else:
+                return os.access(path, os.W_OK)
+        else:
+            previous, path = path, os.path.dirname(path)
+    return False  # assume we don't own the path
+
+
+@contextmanager
+def adjacent_tmp_file(path: str, **kwargs: Any) -> Generator[BinaryIO, None, None]:
+    """Return a file-like object pointing to a tmp file next to path.
+
+    The file is created securely and is ensured to be written to disk
+    after the context reaches its end.
+
+    kwargs will be passed to tempfile.NamedTemporaryFile to control
+    the way the temporary file will be opened.
+    """
+    with NamedTemporaryFile(
+        delete=False,
+        dir=os.path.dirname(path),
+        prefix=os.path.basename(path),
+        suffix=".tmp",
+        **kwargs,
+    ) as f:
+        result = cast(BinaryIO, f)
+        try:
+            yield result
+        finally:
+            result.flush()
+            os.fsync(result.fileno())
+
+
+# Tenacity raises RetryError by default, explicitly raise the original exception
+_replace_retry = retry(reraise=True, stop=stop_after_delay(1), wait=wait_fixed(0.25))
+
+replace = _replace_retry(os.replace)
+
+
+# test_writable_dir and _test_writable_dir_win are copied from Flit,
+# with the author's agreement to also place them under pip's license.
+def test_writable_dir(path: str) -> bool:
+    """Check if a directory is writable.
+
+    Uses os.access() on POSIX, tries creating files on Windows.
+    """
+    # If the directory doesn't exist, find the closest parent that does.
+    while not os.path.isdir(path):
+        parent = os.path.dirname(path)
+        if parent == path:
+            break  # Should never get here, but infinite loops are bad
+        path = parent
+
+    if os.name == "posix":
+        return os.access(path, os.W_OK)
+
+    return _test_writable_dir_win(path)
+
+
+def _test_writable_dir_win(path: str) -> bool:
+    # os.access doesn't work on Windows: http://bugs.python.org/issue2528
+    # and we can't use tempfile: http://bugs.python.org/issue22107
+    basename = "accesstest_deleteme_fishfingers_custard_"
+    alphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
+    for _ in range(10):
+        name = basename + "".join(random.choice(alphabet) for _ in range(6))
+        file = os.path.join(path, name)
+        try:
+            fd = os.open(file, os.O_RDWR | os.O_CREAT | os.O_EXCL)
+        except FileExistsError:
+            pass
+        except PermissionError:
+            # This could be because there's a directory with the same name.
+            # But it's highly unlikely there's a directory called that,
+            # so we'll assume it's because the parent dir is not writable.
+            # This could as well be because the parent dir is not readable,
+            # due to non-privileged user access.
+            return False
+        else:
+            os.close(fd)
+            os.unlink(file)
+            return True
+
+    # This should never be reached
+    raise OSError("Unexpected condition testing for writable directory")
+
+
+def find_files(path: str, pattern: str) -> List[str]:
+    """Returns a list of absolute paths of files beneath path, recursively,
+    with filenames which match the UNIX-style shell glob pattern."""
+    result: List[str] = []
+    for root, _, files in os.walk(path):
+        matches = fnmatch.filter(files, pattern)
+        result.extend(os.path.join(root, f) for f in matches)
+    return result
+
+
+def file_size(path: str) -> Union[int, float]:
+    # If it's a symlink, return 0.
+    if os.path.islink(path):
+        return 0
+    return os.path.getsize(path)
+
+
+def format_file_size(path: str) -> str:
+    return format_size(file_size(path))
+
+
+def directory_size(path: str) -> Union[int, float]:
+    size = 0.0
+    for root, _dirs, files in os.walk(path):
+        for filename in files:
+            file_path = os.path.join(root, filename)
+            size += file_size(file_path)
+    return size
+
+
+def format_directory_size(path: str) -> str:
+    return format_size(directory_size(path))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/filetypes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/filetypes.py
new file mode 100644
index 00000000..59485701
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/filetypes.py
@@ -0,0 +1,27 @@
+"""Filetype information.
+"""
+
+from typing import Tuple
+
+from pip._internal.utils.misc import splitext
+
+WHEEL_EXTENSION = ".whl"
+BZ2_EXTENSIONS: Tuple[str, ...] = (".tar.bz2", ".tbz")
+XZ_EXTENSIONS: Tuple[str, ...] = (
+    ".tar.xz",
+    ".txz",
+    ".tlz",
+    ".tar.lz",
+    ".tar.lzma",
+)
+ZIP_EXTENSIONS: Tuple[str, ...] = (".zip", WHEEL_EXTENSION)
+TAR_EXTENSIONS: Tuple[str, ...] = (".tar.gz", ".tgz", ".tar")
+ARCHIVE_EXTENSIONS = ZIP_EXTENSIONS + BZ2_EXTENSIONS + TAR_EXTENSIONS + XZ_EXTENSIONS
+
+
+def is_archive_file(name: str) -> bool:
+    """Return True if `name` is a considered as an archive file."""
+    ext = splitext(name)[1].lower()
+    if ext in ARCHIVE_EXTENSIONS:
+        return True
+    return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/glibc.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/glibc.py
new file mode 100644
index 00000000..81342afa
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/glibc.py
@@ -0,0 +1,88 @@
+import os
+import sys
+from typing import Optional, Tuple
+
+
+def glibc_version_string() -> Optional[str]:
+    "Returns glibc version string, or None if not using glibc."
+    return glibc_version_string_confstr() or glibc_version_string_ctypes()
+
+
+def glibc_version_string_confstr() -> Optional[str]:
+    "Primary implementation of glibc_version_string using os.confstr."
+    # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
+    # to be broken or missing. This strategy is used in the standard library
+    # platform module:
+    # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183
+    if sys.platform == "win32":
+        return None
+    try:
+        gnu_libc_version = os.confstr("CS_GNU_LIBC_VERSION")
+        if gnu_libc_version is None:
+            return None
+        # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17":
+        _, version = gnu_libc_version.split()
+    except (AttributeError, OSError, ValueError):
+        # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
+        return None
+    return version
+
+
+def glibc_version_string_ctypes() -> Optional[str]:
+    "Fallback implementation of glibc_version_string using ctypes."
+
+    try:
+        import ctypes
+    except ImportError:
+        return None
+
+    # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
+    # manpage says, "If filename is NULL, then the returned handle is for the
+    # main program". This way we can let the linker do the work to figure out
+    # which libc our process is actually using.
+    process_namespace = ctypes.CDLL(None)
+    try:
+        gnu_get_libc_version = process_namespace.gnu_get_libc_version
+    except AttributeError:
+        # Symbol doesn't exist -> therefore, we are not linked to
+        # glibc.
+        return None
+
+    # Call gnu_get_libc_version, which returns a string like "2.5"
+    gnu_get_libc_version.restype = ctypes.c_char_p
+    version_str = gnu_get_libc_version()
+    # py2 / py3 compatibility:
+    if not isinstance(version_str, str):
+        version_str = version_str.decode("ascii")
+
+    return version_str
+
+
+# platform.libc_ver regularly returns completely nonsensical glibc
+# versions. E.g. on my computer, platform says:
+#
+#   ~$ python2.7 -c 'import platform; print(platform.libc_ver())'
+#   ('glibc', '2.7')
+#   ~$ python3.5 -c 'import platform; print(platform.libc_ver())'
+#   ('glibc', '2.9')
+#
+# But the truth is:
+#
+#   ~$ ldd --version
+#   ldd (Debian GLIBC 2.22-11) 2.22
+#
+# This is unfortunate, because it means that the linehaul data on libc
+# versions that was generated by pip 8.1.2 and earlier is useless and
+# misleading. Solution: instead of using platform, use our code that actually
+# works.
+def libc_ver() -> Tuple[str, str]:
+    """Try to determine the glibc version
+
+    Returns a tuple of strings (lib, version) which default to empty strings
+    in case the lookup fails.
+    """
+    glibc_version = glibc_version_string()
+    if glibc_version is None:
+        return ("", "")
+    else:
+        return ("glibc", glibc_version)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/hashes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/hashes.py
new file mode 100644
index 00000000..843cffc6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/hashes.py
@@ -0,0 +1,151 @@
+import hashlib
+from typing import TYPE_CHECKING, BinaryIO, Dict, Iterable, List, Optional
+
+from pip._internal.exceptions import HashMismatch, HashMissing, InstallationError
+from pip._internal.utils.misc import read_chunks
+
+if TYPE_CHECKING:
+    from hashlib import _Hash
+
+    # NoReturn introduced in 3.6.2; imported only for type checking to maintain
+    # pip compatibility with older patch versions of Python 3.6
+    from typing import NoReturn
+
+
+# The recommended hash algo of the moment. Change this whenever the state of
+# the art changes; it won't hurt backward compatibility.
+FAVORITE_HASH = "sha256"
+
+
+# Names of hashlib algorithms allowed by the --hash option and ``pip hash``
+# Currently, those are the ones at least as collision-resistant as sha256.
+STRONG_HASHES = ["sha256", "sha384", "sha512"]
+
+
+class Hashes:
+    """A wrapper that builds multiple hashes at once and checks them against
+    known-good values
+
+    """
+
+    def __init__(self, hashes: Optional[Dict[str, List[str]]] = None) -> None:
+        """
+        :param hashes: A dict of algorithm names pointing to lists of allowed
+            hex digests
+        """
+        allowed = {}
+        if hashes is not None:
+            for alg, keys in hashes.items():
+                # Make sure values are always sorted (to ease equality checks)
+                allowed[alg] = sorted(keys)
+        self._allowed = allowed
+
+    def __and__(self, other: "Hashes") -> "Hashes":
+        if not isinstance(other, Hashes):
+            return NotImplemented
+
+        # If either of the Hashes object is entirely empty (i.e. no hash
+        # specified at all), all hashes from the other object are allowed.
+        if not other:
+            return self
+        if not self:
+            return other
+
+        # Otherwise only hashes that present in both objects are allowed.
+        new = {}
+        for alg, values in other._allowed.items():
+            if alg not in self._allowed:
+                continue
+            new[alg] = [v for v in values if v in self._allowed[alg]]
+        return Hashes(new)
+
+    @property
+    def digest_count(self) -> int:
+        return sum(len(digests) for digests in self._allowed.values())
+
+    def is_hash_allowed(self, hash_name: str, hex_digest: str) -> bool:
+        """Return whether the given hex digest is allowed."""
+        return hex_digest in self._allowed.get(hash_name, [])
+
+    def check_against_chunks(self, chunks: Iterable[bytes]) -> None:
+        """Check good hashes against ones built from iterable of chunks of
+        data.
+
+        Raise HashMismatch if none match.
+
+        """
+        gots = {}
+        for hash_name in self._allowed.keys():
+            try:
+                gots[hash_name] = hashlib.new(hash_name)
+            except (ValueError, TypeError):
+                raise InstallationError(f"Unknown hash name: {hash_name}")
+
+        for chunk in chunks:
+            for hash in gots.values():
+                hash.update(chunk)
+
+        for hash_name, got in gots.items():
+            if got.hexdigest() in self._allowed[hash_name]:
+                return
+        self._raise(gots)
+
+    def _raise(self, gots: Dict[str, "_Hash"]) -> "NoReturn":
+        raise HashMismatch(self._allowed, gots)
+
+    def check_against_file(self, file: BinaryIO) -> None:
+        """Check good hashes against a file-like object
+
+        Raise HashMismatch if none match.
+
+        """
+        return self.check_against_chunks(read_chunks(file))
+
+    def check_against_path(self, path: str) -> None:
+        with open(path, "rb") as file:
+            return self.check_against_file(file)
+
+    def has_one_of(self, hashes: Dict[str, str]) -> bool:
+        """Return whether any of the given hashes are allowed."""
+        for hash_name, hex_digest in hashes.items():
+            if self.is_hash_allowed(hash_name, hex_digest):
+                return True
+        return False
+
+    def __bool__(self) -> bool:
+        """Return whether I know any known-good hashes."""
+        return bool(self._allowed)
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, Hashes):
+            return NotImplemented
+        return self._allowed == other._allowed
+
+    def __hash__(self) -> int:
+        return hash(
+            ",".join(
+                sorted(
+                    ":".join((alg, digest))
+                    for alg, digest_list in self._allowed.items()
+                    for digest in digest_list
+                )
+            )
+        )
+
+
+class MissingHashes(Hashes):
+    """A workalike for Hashes used when we're missing a hash for a requirement
+
+    It computes the actual hash of the requirement and raises a HashMissing
+    exception showing it to the user.
+
+    """
+
+    def __init__(self) -> None:
+        """Don't offer the ``hashes`` kwarg."""
+        # Pass our favorite hash in to generate a "gotten hash". With the
+        # empty list, it will never match, so an error will always raise.
+        super().__init__(hashes={FAVORITE_HASH: []})
+
+    def _raise(self, gots: Dict[str, "_Hash"]) -> "NoReturn":
+        raise HashMissing(gots[FAVORITE_HASH].hexdigest())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/logging.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/logging.py
new file mode 100644
index 00000000..95982dfb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/logging.py
@@ -0,0 +1,348 @@
+import contextlib
+import errno
+import logging
+import logging.handlers
+import os
+import sys
+import threading
+from dataclasses import dataclass
+from io import TextIOWrapper
+from logging import Filter
+from typing import Any, ClassVar, Generator, List, Optional, TextIO, Type
+
+from pip._vendor.rich.console import (
+    Console,
+    ConsoleOptions,
+    ConsoleRenderable,
+    RenderableType,
+    RenderResult,
+    RichCast,
+)
+from pip._vendor.rich.highlighter import NullHighlighter
+from pip._vendor.rich.logging import RichHandler
+from pip._vendor.rich.segment import Segment
+from pip._vendor.rich.style import Style
+
+from pip._internal.utils._log import VERBOSE, getLogger
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.deprecation import DEPRECATION_MSG_PREFIX
+from pip._internal.utils.misc import ensure_dir
+
+_log_state = threading.local()
+subprocess_logger = getLogger("pip.subprocessor")
+
+
+class BrokenStdoutLoggingError(Exception):
+    """
+    Raised if BrokenPipeError occurs for the stdout stream while logging.
+    """
+
+
+def _is_broken_pipe_error(exc_class: Type[BaseException], exc: BaseException) -> bool:
+    if exc_class is BrokenPipeError:
+        return True
+
+    # On Windows, a broken pipe can show up as EINVAL rather than EPIPE:
+    # https://bugs.python.org/issue19612
+    # https://bugs.python.org/issue30418
+    if not WINDOWS:
+        return False
+
+    return isinstance(exc, OSError) and exc.errno in (errno.EINVAL, errno.EPIPE)
+
+
+@contextlib.contextmanager
+def indent_log(num: int = 2) -> Generator[None, None, None]:
+    """
+    A context manager which will cause the log output to be indented for any
+    log messages emitted inside it.
+    """
+    # For thread-safety
+    _log_state.indentation = get_indentation()
+    _log_state.indentation += num
+    try:
+        yield
+    finally:
+        _log_state.indentation -= num
+
+
+def get_indentation() -> int:
+    return getattr(_log_state, "indentation", 0)
+
+
+class IndentingFormatter(logging.Formatter):
+    default_time_format = "%Y-%m-%dT%H:%M:%S"
+
+    def __init__(
+        self,
+        *args: Any,
+        add_timestamp: bool = False,
+        **kwargs: Any,
+    ) -> None:
+        """
+        A logging.Formatter that obeys the indent_log() context manager.
+
+        :param add_timestamp: A bool indicating output lines should be prefixed
+            with their record's timestamp.
+        """
+        self.add_timestamp = add_timestamp
+        super().__init__(*args, **kwargs)
+
+    def get_message_start(self, formatted: str, levelno: int) -> str:
+        """
+        Return the start of the formatted log message (not counting the
+        prefix to add to each line).
+        """
+        if levelno < logging.WARNING:
+            return ""
+        if formatted.startswith(DEPRECATION_MSG_PREFIX):
+            # Then the message already has a prefix.  We don't want it to
+            # look like "WARNING: DEPRECATION: ...."
+            return ""
+        if levelno < logging.ERROR:
+            return "WARNING: "
+
+        return "ERROR: "
+
+    def format(self, record: logging.LogRecord) -> str:
+        """
+        Calls the standard formatter, but will indent all of the log message
+        lines by our current indentation level.
+        """
+        formatted = super().format(record)
+        message_start = self.get_message_start(formatted, record.levelno)
+        formatted = message_start + formatted
+
+        prefix = ""
+        if self.add_timestamp:
+            prefix = f"{self.formatTime(record)} "
+        prefix += " " * get_indentation()
+        formatted = "".join([prefix + line for line in formatted.splitlines(True)])
+        return formatted
+
+
+@dataclass
+class IndentedRenderable:
+    renderable: RenderableType
+    indent: int
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        segments = console.render(self.renderable, options)
+        lines = Segment.split_lines(segments)
+        for line in lines:
+            yield Segment(" " * self.indent)
+            yield from line
+            yield Segment("\n")
+
+
+class RichPipStreamHandler(RichHandler):
+    KEYWORDS: ClassVar[Optional[List[str]]] = []
+
+    def __init__(self, stream: Optional[TextIO], no_color: bool) -> None:
+        super().__init__(
+            console=Console(file=stream, no_color=no_color, soft_wrap=True),
+            show_time=False,
+            show_level=False,
+            show_path=False,
+            highlighter=NullHighlighter(),
+        )
+
+    # Our custom override on Rich's logger, to make things work as we need them to.
+    def emit(self, record: logging.LogRecord) -> None:
+        style: Optional[Style] = None
+
+        # If we are given a diagnostic error to present, present it with indentation.
+        assert isinstance(record.args, tuple)
+        if getattr(record, "rich", False):
+            (rich_renderable,) = record.args
+            assert isinstance(
+                rich_renderable, (ConsoleRenderable, RichCast, str)
+            ), f"{rich_renderable} is not rich-console-renderable"
+
+            renderable: RenderableType = IndentedRenderable(
+                rich_renderable, indent=get_indentation()
+            )
+        else:
+            message = self.format(record)
+            renderable = self.render_message(record, message)
+            if record.levelno is not None:
+                if record.levelno >= logging.ERROR:
+                    style = Style(color="red")
+                elif record.levelno >= logging.WARNING:
+                    style = Style(color="yellow")
+
+        try:
+            self.console.print(renderable, overflow="ignore", crop=False, style=style)
+        except Exception:
+            self.handleError(record)
+
+    def handleError(self, record: logging.LogRecord) -> None:
+        """Called when logging is unable to log some output."""
+
+        exc_class, exc = sys.exc_info()[:2]
+        # If a broken pipe occurred while calling write() or flush() on the
+        # stdout stream in logging's Handler.emit(), then raise our special
+        # exception so we can handle it in main() instead of logging the
+        # broken pipe error and continuing.
+        if (
+            exc_class
+            and exc
+            and self.console.file is sys.stdout
+            and _is_broken_pipe_error(exc_class, exc)
+        ):
+            raise BrokenStdoutLoggingError()
+
+        return super().handleError(record)
+
+
+class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler):
+    def _open(self) -> TextIOWrapper:
+        ensure_dir(os.path.dirname(self.baseFilename))
+        return super()._open()
+
+
+class MaxLevelFilter(Filter):
+    def __init__(self, level: int) -> None:
+        self.level = level
+
+    def filter(self, record: logging.LogRecord) -> bool:
+        return record.levelno < self.level
+
+
+class ExcludeLoggerFilter(Filter):
+
+    """
+    A logging Filter that excludes records from a logger (or its children).
+    """
+
+    def filter(self, record: logging.LogRecord) -> bool:
+        # The base Filter class allows only records from a logger (or its
+        # children).
+        return not super().filter(record)
+
+
+def setup_logging(verbosity: int, no_color: bool, user_log_file: Optional[str]) -> int:
+    """Configures and sets up all of the logging
+
+    Returns the requested logging level, as its integer value.
+    """
+
+    # Determine the level to be logging at.
+    if verbosity >= 2:
+        level_number = logging.DEBUG
+    elif verbosity == 1:
+        level_number = VERBOSE
+    elif verbosity == -1:
+        level_number = logging.WARNING
+    elif verbosity == -2:
+        level_number = logging.ERROR
+    elif verbosity <= -3:
+        level_number = logging.CRITICAL
+    else:
+        level_number = logging.INFO
+
+    level = logging.getLevelName(level_number)
+
+    # The "root" logger should match the "console" level *unless* we also need
+    # to log to a user log file.
+    include_user_log = user_log_file is not None
+    if include_user_log:
+        additional_log_file = user_log_file
+        root_level = "DEBUG"
+    else:
+        additional_log_file = "/dev/null"
+        root_level = level
+
+    # Disable any logging besides WARNING unless we have DEBUG level logging
+    # enabled for vendored libraries.
+    vendored_log_level = "WARNING" if level in ["INFO", "ERROR"] else "DEBUG"
+
+    # Shorthands for clarity
+    log_streams = {
+        "stdout": "ext://sys.stdout",
+        "stderr": "ext://sys.stderr",
+    }
+    handler_classes = {
+        "stream": "pip._internal.utils.logging.RichPipStreamHandler",
+        "file": "pip._internal.utils.logging.BetterRotatingFileHandler",
+    }
+    handlers = ["console", "console_errors", "console_subprocess"] + (
+        ["user_log"] if include_user_log else []
+    )
+
+    logging.config.dictConfig(
+        {
+            "version": 1,
+            "disable_existing_loggers": False,
+            "filters": {
+                "exclude_warnings": {
+                    "()": "pip._internal.utils.logging.MaxLevelFilter",
+                    "level": logging.WARNING,
+                },
+                "restrict_to_subprocess": {
+                    "()": "logging.Filter",
+                    "name": subprocess_logger.name,
+                },
+                "exclude_subprocess": {
+                    "()": "pip._internal.utils.logging.ExcludeLoggerFilter",
+                    "name": subprocess_logger.name,
+                },
+            },
+            "formatters": {
+                "indent": {
+                    "()": IndentingFormatter,
+                    "format": "%(message)s",
+                },
+                "indent_with_timestamp": {
+                    "()": IndentingFormatter,
+                    "format": "%(message)s",
+                    "add_timestamp": True,
+                },
+            },
+            "handlers": {
+                "console": {
+                    "level": level,
+                    "class": handler_classes["stream"],
+                    "no_color": no_color,
+                    "stream": log_streams["stdout"],
+                    "filters": ["exclude_subprocess", "exclude_warnings"],
+                    "formatter": "indent",
+                },
+                "console_errors": {
+                    "level": "WARNING",
+                    "class": handler_classes["stream"],
+                    "no_color": no_color,
+                    "stream": log_streams["stderr"],
+                    "filters": ["exclude_subprocess"],
+                    "formatter": "indent",
+                },
+                # A handler responsible for logging to the console messages
+                # from the "subprocessor" logger.
+                "console_subprocess": {
+                    "level": level,
+                    "class": handler_classes["stream"],
+                    "stream": log_streams["stderr"],
+                    "no_color": no_color,
+                    "filters": ["restrict_to_subprocess"],
+                    "formatter": "indent",
+                },
+                "user_log": {
+                    "level": "DEBUG",
+                    "class": handler_classes["file"],
+                    "filename": additional_log_file,
+                    "encoding": "utf-8",
+                    "delay": True,
+                    "formatter": "indent_with_timestamp",
+                },
+            },
+            "root": {
+                "level": root_level,
+                "handlers": handlers,
+            },
+            "loggers": {"pip._vendor": {"level": vendored_log_level}},
+        }
+    )
+
+    return level_number
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/misc.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/misc.py
new file mode 100644
index 00000000..1ad3f616
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/misc.py
@@ -0,0 +1,783 @@
+import contextlib
+import errno
+import getpass
+import hashlib
+import io
+import logging
+import os
+import posixpath
+import shutil
+import stat
+import sys
+import sysconfig
+import urllib.parse
+from functools import partial
+from io import StringIO
+from itertools import filterfalse, tee, zip_longest
+from pathlib import Path
+from types import FunctionType, TracebackType
+from typing import (
+    Any,
+    BinaryIO,
+    Callable,
+    ContextManager,
+    Dict,
+    Generator,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    TextIO,
+    Tuple,
+    Type,
+    TypeVar,
+    Union,
+    cast,
+)
+
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.pyproject_hooks import BuildBackendHookCaller
+from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed
+
+from pip import __version__
+from pip._internal.exceptions import CommandError, ExternallyManagedEnvironment
+from pip._internal.locations import get_major_minor_version
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+__all__ = [
+    "rmtree",
+    "display_path",
+    "backup_dir",
+    "ask",
+    "splitext",
+    "format_size",
+    "is_installable_dir",
+    "normalize_path",
+    "renames",
+    "get_prog",
+    "captured_stdout",
+    "ensure_dir",
+    "remove_auth_from_url",
+    "check_externally_managed",
+    "ConfiguredBuildBackendHookCaller",
+]
+
+logger = logging.getLogger(__name__)
+
+T = TypeVar("T")
+ExcInfo = Tuple[Type[BaseException], BaseException, TracebackType]
+VersionInfo = Tuple[int, int, int]
+NetlocTuple = Tuple[str, Tuple[Optional[str], Optional[str]]]
+OnExc = Callable[[FunctionType, Path, BaseException], Any]
+OnErr = Callable[[FunctionType, Path, ExcInfo], Any]
+
+
+def get_pip_version() -> str:
+    pip_pkg_dir = os.path.join(os.path.dirname(__file__), "..", "..")
+    pip_pkg_dir = os.path.abspath(pip_pkg_dir)
+
+    return f"pip {__version__} from {pip_pkg_dir} (python {get_major_minor_version()})"
+
+
+def normalize_version_info(py_version_info: Tuple[int, ...]) -> Tuple[int, int, int]:
+    """
+    Convert a tuple of ints representing a Python version to one of length
+    three.
+
+    :param py_version_info: a tuple of ints representing a Python version,
+        or None to specify no version. The tuple can have any length.
+
+    :return: a tuple of length three if `py_version_info` is non-None.
+        Otherwise, return `py_version_info` unchanged (i.e. None).
+    """
+    if len(py_version_info) < 3:
+        py_version_info += (3 - len(py_version_info)) * (0,)
+    elif len(py_version_info) > 3:
+        py_version_info = py_version_info[:3]
+
+    return cast("VersionInfo", py_version_info)
+
+
+def ensure_dir(path: str) -> None:
+    """os.path.makedirs without EEXIST."""
+    try:
+        os.makedirs(path)
+    except OSError as e:
+        # Windows can raise spurious ENOTEMPTY errors. See #6426.
+        if e.errno != errno.EEXIST and e.errno != errno.ENOTEMPTY:
+            raise
+
+
+def get_prog() -> str:
+    try:
+        prog = os.path.basename(sys.argv[0])
+        if prog in ("__main__.py", "-c"):
+            return f"{sys.executable} -m pip"
+        else:
+            return prog
+    except (AttributeError, TypeError, IndexError):
+        pass
+    return "pip"
+
+
+# Retry every half second for up to 3 seconds
+# Tenacity raises RetryError by default, explicitly raise the original exception
+@retry(reraise=True, stop=stop_after_delay(3), wait=wait_fixed(0.5))
+def rmtree(
+    dir: str,
+    ignore_errors: bool = False,
+    onexc: Optional[OnExc] = None,
+) -> None:
+    if ignore_errors:
+        onexc = _onerror_ignore
+    if onexc is None:
+        onexc = _onerror_reraise
+    handler: OnErr = partial(
+        # `[func, path, Union[ExcInfo, BaseException]] -> Any` is equivalent to
+        # `Union[([func, path, ExcInfo] -> Any), ([func, path, BaseException] -> Any)]`.
+        cast(Union[OnExc, OnErr], rmtree_errorhandler),
+        onexc=onexc,
+    )
+    if sys.version_info >= (3, 12):
+        # See https://docs.python.org/3.12/whatsnew/3.12.html#shutil.
+        shutil.rmtree(dir, onexc=handler)  # type: ignore
+    else:
+        shutil.rmtree(dir, onerror=handler)  # type: ignore
+
+
+def _onerror_ignore(*_args: Any) -> None:
+    pass
+
+
+def _onerror_reraise(*_args: Any) -> None:
+    raise
+
+
+def rmtree_errorhandler(
+    func: FunctionType,
+    path: Path,
+    exc_info: Union[ExcInfo, BaseException],
+    *,
+    onexc: OnExc = _onerror_reraise,
+) -> None:
+    """
+    `rmtree` error handler to 'force' a file remove (i.e. like `rm -f`).
+
+    * If a file is readonly then it's write flag is set and operation is
+      retried.
+
+    * `onerror` is the original callback from `rmtree(... onerror=onerror)`
+      that is chained at the end if the "rm -f" still fails.
+    """
+    try:
+        st_mode = os.stat(path).st_mode
+    except OSError:
+        # it's equivalent to os.path.exists
+        return
+
+    if not st_mode & stat.S_IWRITE:
+        # convert to read/write
+        try:
+            os.chmod(path, st_mode | stat.S_IWRITE)
+        except OSError:
+            pass
+        else:
+            # use the original function to repeat the operation
+            try:
+                func(path)
+                return
+            except OSError:
+                pass
+
+    if not isinstance(exc_info, BaseException):
+        _, exc_info, _ = exc_info
+    onexc(func, path, exc_info)
+
+
+def display_path(path: str) -> str:
+    """Gives the display value for a given path, making it relative to cwd
+    if possible."""
+    path = os.path.normcase(os.path.abspath(path))
+    if path.startswith(os.getcwd() + os.path.sep):
+        path = "." + path[len(os.getcwd()) :]
+    return path
+
+
+def backup_dir(dir: str, ext: str = ".bak") -> str:
+    """Figure out the name of a directory to back up the given dir to
+    (adding .bak, .bak2, etc)"""
+    n = 1
+    extension = ext
+    while os.path.exists(dir + extension):
+        n += 1
+        extension = ext + str(n)
+    return dir + extension
+
+
+def ask_path_exists(message: str, options: Iterable[str]) -> str:
+    for action in os.environ.get("PIP_EXISTS_ACTION", "").split():
+        if action in options:
+            return action
+    return ask(message, options)
+
+
+def _check_no_input(message: str) -> None:
+    """Raise an error if no input is allowed."""
+    if os.environ.get("PIP_NO_INPUT"):
+        raise Exception(
+            f"No input was expected ($PIP_NO_INPUT set); question: {message}"
+        )
+
+
+def ask(message: str, options: Iterable[str]) -> str:
+    """Ask the message interactively, with the given possible responses"""
+    while 1:
+        _check_no_input(message)
+        response = input(message)
+        response = response.strip().lower()
+        if response not in options:
+            print(
+                "Your response ({!r}) was not one of the expected responses: "
+                "{}".format(response, ", ".join(options))
+            )
+        else:
+            return response
+
+
+def ask_input(message: str) -> str:
+    """Ask for input interactively."""
+    _check_no_input(message)
+    return input(message)
+
+
+def ask_password(message: str) -> str:
+    """Ask for a password interactively."""
+    _check_no_input(message)
+    return getpass.getpass(message)
+
+
+def strtobool(val: str) -> int:
+    """Convert a string representation of truth to true (1) or false (0).
+
+    True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
+    are 'n', 'no', 'f', 'false', 'off', and '0'.  Raises ValueError if
+    'val' is anything else.
+    """
+    val = val.lower()
+    if val in ("y", "yes", "t", "true", "on", "1"):
+        return 1
+    elif val in ("n", "no", "f", "false", "off", "0"):
+        return 0
+    else:
+        raise ValueError(f"invalid truth value {val!r}")
+
+
+def format_size(bytes: float) -> str:
+    if bytes > 1000 * 1000:
+        return f"{bytes / 1000.0 / 1000:.1f} MB"
+    elif bytes > 10 * 1000:
+        return f"{int(bytes / 1000)} kB"
+    elif bytes > 1000:
+        return f"{bytes / 1000.0:.1f} kB"
+    else:
+        return f"{int(bytes)} bytes"
+
+
+def tabulate(rows: Iterable[Iterable[Any]]) -> Tuple[List[str], List[int]]:
+    """Return a list of formatted rows and a list of column sizes.
+
+    For example::
+
+    >>> tabulate([['foobar', 2000], [0xdeadbeef]])
+    (['foobar     2000', '3735928559'], [10, 4])
+    """
+    rows = [tuple(map(str, row)) for row in rows]
+    sizes = [max(map(len, col)) for col in zip_longest(*rows, fillvalue="")]
+    table = [" ".join(map(str.ljust, row, sizes)).rstrip() for row in rows]
+    return table, sizes
+
+
+def is_installable_dir(path: str) -> bool:
+    """Is path is a directory containing pyproject.toml or setup.py?
+
+    If pyproject.toml exists, this is a PEP 517 project. Otherwise we look for
+    a legacy setuptools layout by identifying setup.py. We don't check for the
+    setup.cfg because using it without setup.py is only available for PEP 517
+    projects, which are already covered by the pyproject.toml check.
+    """
+    if not os.path.isdir(path):
+        return False
+    if os.path.isfile(os.path.join(path, "pyproject.toml")):
+        return True
+    if os.path.isfile(os.path.join(path, "setup.py")):
+        return True
+    return False
+
+
+def read_chunks(
+    file: BinaryIO, size: int = io.DEFAULT_BUFFER_SIZE
+) -> Generator[bytes, None, None]:
+    """Yield pieces of data from a file-like object until EOF."""
+    while True:
+        chunk = file.read(size)
+        if not chunk:
+            break
+        yield chunk
+
+
+def normalize_path(path: str, resolve_symlinks: bool = True) -> str:
+    """
+    Convert a path to its canonical, case-normalized, absolute version.
+
+    """
+    path = os.path.expanduser(path)
+    if resolve_symlinks:
+        path = os.path.realpath(path)
+    else:
+        path = os.path.abspath(path)
+    return os.path.normcase(path)
+
+
+def splitext(path: str) -> Tuple[str, str]:
+    """Like os.path.splitext, but take off .tar too"""
+    base, ext = posixpath.splitext(path)
+    if base.lower().endswith(".tar"):
+        ext = base[-4:] + ext
+        base = base[:-4]
+    return base, ext
+
+
+def renames(old: str, new: str) -> None:
+    """Like os.renames(), but handles renaming across devices."""
+    # Implementation borrowed from os.renames().
+    head, tail = os.path.split(new)
+    if head and tail and not os.path.exists(head):
+        os.makedirs(head)
+
+    shutil.move(old, new)
+
+    head, tail = os.path.split(old)
+    if head and tail:
+        try:
+            os.removedirs(head)
+        except OSError:
+            pass
+
+
+def is_local(path: str) -> bool:
+    """
+    Return True if path is within sys.prefix, if we're running in a virtualenv.
+
+    If we're not in a virtualenv, all paths are considered "local."
+
+    Caution: this function assumes the head of path has been normalized
+    with normalize_path.
+    """
+    if not running_under_virtualenv():
+        return True
+    return path.startswith(normalize_path(sys.prefix))
+
+
+def write_output(msg: Any, *args: Any) -> None:
+    logger.info(msg, *args)
+
+
+class StreamWrapper(StringIO):
+    orig_stream: TextIO
+
+    @classmethod
+    def from_stream(cls, orig_stream: TextIO) -> "StreamWrapper":
+        ret = cls()
+        ret.orig_stream = orig_stream
+        return ret
+
+    # compileall.compile_dir() needs stdout.encoding to print to stdout
+    # type ignore is because TextIOBase.encoding is writeable
+    @property
+    def encoding(self) -> str:  # type: ignore
+        return self.orig_stream.encoding
+
+
+@contextlib.contextmanager
+def captured_output(stream_name: str) -> Generator[StreamWrapper, None, None]:
+    """Return a context manager used by captured_stdout/stdin/stderr
+    that temporarily replaces the sys stream *stream_name* with a StringIO.
+
+    Taken from Lib/support/__init__.py in the CPython repo.
+    """
+    orig_stdout = getattr(sys, stream_name)
+    setattr(sys, stream_name, StreamWrapper.from_stream(orig_stdout))
+    try:
+        yield getattr(sys, stream_name)
+    finally:
+        setattr(sys, stream_name, orig_stdout)
+
+
+def captured_stdout() -> ContextManager[StreamWrapper]:
+    """Capture the output of sys.stdout:
+
+       with captured_stdout() as stdout:
+           print('hello')
+       self.assertEqual(stdout.getvalue(), 'hello\n')
+
+    Taken from Lib/support/__init__.py in the CPython repo.
+    """
+    return captured_output("stdout")
+
+
+def captured_stderr() -> ContextManager[StreamWrapper]:
+    """
+    See captured_stdout().
+    """
+    return captured_output("stderr")
+
+
+# Simulates an enum
+def enum(*sequential: Any, **named: Any) -> Type[Any]:
+    enums = dict(zip(sequential, range(len(sequential))), **named)
+    reverse = {value: key for key, value in enums.items()}
+    enums["reverse_mapping"] = reverse
+    return type("Enum", (), enums)
+
+
+def build_netloc(host: str, port: Optional[int]) -> str:
+    """
+    Build a netloc from a host-port pair
+    """
+    if port is None:
+        return host
+    if ":" in host:
+        # Only wrap host with square brackets when it is IPv6
+        host = f"[{host}]"
+    return f"{host}:{port}"
+
+
+def build_url_from_netloc(netloc: str, scheme: str = "https") -> str:
+    """
+    Build a full URL from a netloc.
+    """
+    if netloc.count(":") >= 2 and "@" not in netloc and "[" not in netloc:
+        # It must be a bare IPv6 address, so wrap it with brackets.
+        netloc = f"[{netloc}]"
+    return f"{scheme}://{netloc}"
+
+
+def parse_netloc(netloc: str) -> Tuple[Optional[str], Optional[int]]:
+    """
+    Return the host-port pair from a netloc.
+    """
+    url = build_url_from_netloc(netloc)
+    parsed = urllib.parse.urlparse(url)
+    return parsed.hostname, parsed.port
+
+
+def split_auth_from_netloc(netloc: str) -> NetlocTuple:
+    """
+    Parse out and remove the auth information from a netloc.
+
+    Returns: (netloc, (username, password)).
+    """
+    if "@" not in netloc:
+        return netloc, (None, None)
+
+    # Split from the right because that's how urllib.parse.urlsplit()
+    # behaves if more than one @ is present (which can be checked using
+    # the password attribute of urlsplit()'s return value).
+    auth, netloc = netloc.rsplit("@", 1)
+    pw: Optional[str] = None
+    if ":" in auth:
+        # Split from the left because that's how urllib.parse.urlsplit()
+        # behaves if more than one : is present (which again can be checked
+        # using the password attribute of the return value)
+        user, pw = auth.split(":", 1)
+    else:
+        user, pw = auth, None
+
+    user = urllib.parse.unquote(user)
+    if pw is not None:
+        pw = urllib.parse.unquote(pw)
+
+    return netloc, (user, pw)
+
+
+def redact_netloc(netloc: str) -> str:
+    """
+    Replace the sensitive data in a netloc with "****", if it exists.
+
+    For example:
+        - "user:pass@example.com" returns "user:****@example.com"
+        - "accesstoken@example.com" returns "****@example.com"
+    """
+    netloc, (user, password) = split_auth_from_netloc(netloc)
+    if user is None:
+        return netloc
+    if password is None:
+        user = "****"
+        password = ""
+    else:
+        user = urllib.parse.quote(user)
+        password = ":****"
+    return f"{user}{password}@{netloc}"
+
+
+def _transform_url(
+    url: str, transform_netloc: Callable[[str], Tuple[Any, ...]]
+) -> Tuple[str, NetlocTuple]:
+    """Transform and replace netloc in a url.
+
+    transform_netloc is a function taking the netloc and returning a
+    tuple. The first element of this tuple is the new netloc. The
+    entire tuple is returned.
+
+    Returns a tuple containing the transformed url as item 0 and the
+    original tuple returned by transform_netloc as item 1.
+    """
+    purl = urllib.parse.urlsplit(url)
+    netloc_tuple = transform_netloc(purl.netloc)
+    # stripped url
+    url_pieces = (purl.scheme, netloc_tuple[0], purl.path, purl.query, purl.fragment)
+    surl = urllib.parse.urlunsplit(url_pieces)
+    return surl, cast("NetlocTuple", netloc_tuple)
+
+
+def _get_netloc(netloc: str) -> NetlocTuple:
+    return split_auth_from_netloc(netloc)
+
+
+def _redact_netloc(netloc: str) -> Tuple[str]:
+    return (redact_netloc(netloc),)
+
+
+def split_auth_netloc_from_url(
+    url: str,
+) -> Tuple[str, str, Tuple[Optional[str], Optional[str]]]:
+    """
+    Parse a url into separate netloc, auth, and url with no auth.
+
+    Returns: (url_without_auth, netloc, (username, password))
+    """
+    url_without_auth, (netloc, auth) = _transform_url(url, _get_netloc)
+    return url_without_auth, netloc, auth
+
+
+def remove_auth_from_url(url: str) -> str:
+    """Return a copy of url with 'username:password@' removed."""
+    # username/pass params are passed to subversion through flags
+    # and are not recognized in the url.
+    return _transform_url(url, _get_netloc)[0]
+
+
+def redact_auth_from_url(url: str) -> str:
+    """Replace the password in a given url with ****."""
+    return _transform_url(url, _redact_netloc)[0]
+
+
+def redact_auth_from_requirement(req: Requirement) -> str:
+    """Replace the password in a given requirement url with ****."""
+    if not req.url:
+        return str(req)
+    return str(req).replace(req.url, redact_auth_from_url(req.url))
+
+
+class HiddenText:
+    def __init__(self, secret: str, redacted: str) -> None:
+        self.secret = secret
+        self.redacted = redacted
+
+    def __repr__(self) -> str:
+        return f"<HiddenText {str(self)!r}>"
+
+    def __str__(self) -> str:
+        return self.redacted
+
+    # This is useful for testing.
+    def __eq__(self, other: Any) -> bool:
+        if type(self) != type(other):
+            return False
+
+        # The string being used for redaction doesn't also have to match,
+        # just the raw, original string.
+        return self.secret == other.secret
+
+
+def hide_value(value: str) -> HiddenText:
+    return HiddenText(value, redacted="****")
+
+
+def hide_url(url: str) -> HiddenText:
+    redacted = redact_auth_from_url(url)
+    return HiddenText(url, redacted=redacted)
+
+
+def protect_pip_from_modification_on_windows(modifying_pip: bool) -> None:
+    """Protection of pip.exe from modification on Windows
+
+    On Windows, any operation modifying pip should be run as:
+        python -m pip ...
+    """
+    pip_names = [
+        "pip",
+        f"pip{sys.version_info.major}",
+        f"pip{sys.version_info.major}.{sys.version_info.minor}",
+    ]
+
+    # See https://github.com/pypa/pip/issues/1299 for more discussion
+    should_show_use_python_msg = (
+        modifying_pip and WINDOWS and os.path.basename(sys.argv[0]) in pip_names
+    )
+
+    if should_show_use_python_msg:
+        new_command = [sys.executable, "-m", "pip"] + sys.argv[1:]
+        raise CommandError(
+            "To modify pip, please run the following command:\n{}".format(
+                " ".join(new_command)
+            )
+        )
+
+
+def check_externally_managed() -> None:
+    """Check whether the current environment is externally managed.
+
+    If the ``EXTERNALLY-MANAGED`` config file is found, the current environment
+    is considered externally managed, and an ExternallyManagedEnvironment is
+    raised.
+    """
+    if running_under_virtualenv():
+        return
+    marker = os.path.join(sysconfig.get_path("stdlib"), "EXTERNALLY-MANAGED")
+    if not os.path.isfile(marker):
+        return
+    raise ExternallyManagedEnvironment.from_config(marker)
+
+
+def is_console_interactive() -> bool:
+    """Is this console interactive?"""
+    return sys.stdin is not None and sys.stdin.isatty()
+
+
+def hash_file(path: str, blocksize: int = 1 << 20) -> Tuple[Any, int]:
+    """Return (hash, length) for path using hashlib.sha256()"""
+
+    h = hashlib.sha256()
+    length = 0
+    with open(path, "rb") as f:
+        for block in read_chunks(f, size=blocksize):
+            length += len(block)
+            h.update(block)
+    return h, length
+
+
+def pairwise(iterable: Iterable[Any]) -> Iterator[Tuple[Any, Any]]:
+    """
+    Return paired elements.
+
+    For example:
+        s -> (s0, s1), (s2, s3), (s4, s5), ...
+    """
+    iterable = iter(iterable)
+    return zip_longest(iterable, iterable)
+
+
+def partition(
+    pred: Callable[[T], bool],
+    iterable: Iterable[T],
+) -> Tuple[Iterable[T], Iterable[T]]:
+    """
+    Use a predicate to partition entries into false entries and true entries,
+    like
+
+        partition(is_odd, range(10)) --> 0 2 4 6 8   and  1 3 5 7 9
+    """
+    t1, t2 = tee(iterable)
+    return filterfalse(pred, t1), filter(pred, t2)
+
+
+class ConfiguredBuildBackendHookCaller(BuildBackendHookCaller):
+    def __init__(
+        self,
+        config_holder: Any,
+        source_dir: str,
+        build_backend: str,
+        backend_path: Optional[str] = None,
+        runner: Optional[Callable[..., None]] = None,
+        python_executable: Optional[str] = None,
+    ):
+        super().__init__(
+            source_dir, build_backend, backend_path, runner, python_executable
+        )
+        self.config_holder = config_holder
+
+    def build_wheel(
+        self,
+        wheel_directory: str,
+        config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+        metadata_directory: Optional[str] = None,
+    ) -> str:
+        cs = self.config_holder.config_settings
+        return super().build_wheel(
+            wheel_directory, config_settings=cs, metadata_directory=metadata_directory
+        )
+
+    def build_sdist(
+        self,
+        sdist_directory: str,
+        config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+    ) -> str:
+        cs = self.config_holder.config_settings
+        return super().build_sdist(sdist_directory, config_settings=cs)
+
+    def build_editable(
+        self,
+        wheel_directory: str,
+        config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+        metadata_directory: Optional[str] = None,
+    ) -> str:
+        cs = self.config_holder.config_settings
+        return super().build_editable(
+            wheel_directory, config_settings=cs, metadata_directory=metadata_directory
+        )
+
+    def get_requires_for_build_wheel(
+        self, config_settings: Optional[Dict[str, Union[str, List[str]]]] = None
+    ) -> List[str]:
+        cs = self.config_holder.config_settings
+        return super().get_requires_for_build_wheel(config_settings=cs)
+
+    def get_requires_for_build_sdist(
+        self, config_settings: Optional[Dict[str, Union[str, List[str]]]] = None
+    ) -> List[str]:
+        cs = self.config_holder.config_settings
+        return super().get_requires_for_build_sdist(config_settings=cs)
+
+    def get_requires_for_build_editable(
+        self, config_settings: Optional[Dict[str, Union[str, List[str]]]] = None
+    ) -> List[str]:
+        cs = self.config_holder.config_settings
+        return super().get_requires_for_build_editable(config_settings=cs)
+
+    def prepare_metadata_for_build_wheel(
+        self,
+        metadata_directory: str,
+        config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+        _allow_fallback: bool = True,
+    ) -> str:
+        cs = self.config_holder.config_settings
+        return super().prepare_metadata_for_build_wheel(
+            metadata_directory=metadata_directory,
+            config_settings=cs,
+            _allow_fallback=_allow_fallback,
+        )
+
+    def prepare_metadata_for_build_editable(
+        self,
+        metadata_directory: str,
+        config_settings: Optional[Dict[str, Union[str, List[str]]]] = None,
+        _allow_fallback: bool = True,
+    ) -> str:
+        cs = self.config_holder.config_settings
+        return super().prepare_metadata_for_build_editable(
+            metadata_directory=metadata_directory,
+            config_settings=cs,
+            _allow_fallback=_allow_fallback,
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/models.py
new file mode 100644
index 00000000..b6bb21a8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/models.py
@@ -0,0 +1,39 @@
+"""Utilities for defining models
+"""
+
+import operator
+from typing import Any, Callable, Type
+
+
+class KeyBasedCompareMixin:
+    """Provides comparison capabilities that is based on a key"""
+
+    __slots__ = ["_compare_key", "_defining_class"]
+
+    def __init__(self, key: Any, defining_class: Type["KeyBasedCompareMixin"]) -> None:
+        self._compare_key = key
+        self._defining_class = defining_class
+
+    def __hash__(self) -> int:
+        return hash(self._compare_key)
+
+    def __lt__(self, other: Any) -> bool:
+        return self._compare(other, operator.__lt__)
+
+    def __le__(self, other: Any) -> bool:
+        return self._compare(other, operator.__le__)
+
+    def __gt__(self, other: Any) -> bool:
+        return self._compare(other, operator.__gt__)
+
+    def __ge__(self, other: Any) -> bool:
+        return self._compare(other, operator.__ge__)
+
+    def __eq__(self, other: Any) -> bool:
+        return self._compare(other, operator.__eq__)
+
+    def _compare(self, other: Any, method: Callable[[Any, Any], bool]) -> bool:
+        if not isinstance(other, self._defining_class):
+            return NotImplemented
+
+        return method(self._compare_key, other._compare_key)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/packaging.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/packaging.py
new file mode 100644
index 00000000..b9f6af4d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/packaging.py
@@ -0,0 +1,57 @@
+import functools
+import logging
+import re
+from typing import NewType, Optional, Tuple, cast
+
+from pip._vendor.packaging import specifiers, version
+from pip._vendor.packaging.requirements import Requirement
+
+NormalizedExtra = NewType("NormalizedExtra", str)
+
+logger = logging.getLogger(__name__)
+
+
+def check_requires_python(
+    requires_python: Optional[str], version_info: Tuple[int, ...]
+) -> bool:
+    """
+    Check if the given Python version matches a "Requires-Python" specifier.
+
+    :param version_info: A 3-tuple of ints representing a Python
+        major-minor-micro version to check (e.g. `sys.version_info[:3]`).
+
+    :return: `True` if the given Python version satisfies the requirement.
+        Otherwise, return `False`.
+
+    :raises InvalidSpecifier: If `requires_python` has an invalid format.
+    """
+    if requires_python is None:
+        # The package provides no information
+        return True
+    requires_python_specifier = specifiers.SpecifierSet(requires_python)
+
+    python_version = version.parse(".".join(map(str, version_info)))
+    return python_version in requires_python_specifier
+
+
+@functools.lru_cache(maxsize=512)
+def get_requirement(req_string: str) -> Requirement:
+    """Construct a packaging.Requirement object with caching"""
+    # Parsing requirement strings is expensive, and is also expected to happen
+    # with a low diversity of different arguments (at least relative the number
+    # constructed). This method adds a cache to requirement object creation to
+    # minimize repeated parsing of the same string to construct equivalent
+    # Requirement objects.
+    return Requirement(req_string)
+
+
+def safe_extra(extra: str) -> NormalizedExtra:
+    """Convert an arbitrary string to a standard 'extra' name
+
+    Any runs of non-alphanumeric characters are replaced with a single '_',
+    and the result is always lowercased.
+
+    This function is duplicated from ``pkg_resources``. Note that this is not
+    the same to either ``canonicalize_name`` or ``_egg_link_name``.
+    """
+    return cast(NormalizedExtra, re.sub("[^A-Za-z0-9.-]+", "_", extra).lower())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/setuptools_build.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/setuptools_build.py
new file mode 100644
index 00000000..96d1b246
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/setuptools_build.py
@@ -0,0 +1,146 @@
+import sys
+import textwrap
+from typing import List, Optional, Sequence
+
+# Shim to wrap setup.py invocation with setuptools
+# Note that __file__ is handled via two {!r} *and* %r, to ensure that paths on
+# Windows are correctly handled (it should be "C:\\Users" not "C:\Users").
+_SETUPTOOLS_SHIM = textwrap.dedent(
+    """
+    exec(compile('''
+    # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
+    #
+    # - It imports setuptools before invoking setup.py, to enable projects that directly
+    #   import from `distutils.core` to work with newer packaging standards.
+    # - It provides a clear error message when setuptools is not installed.
+    # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
+    #   setuptools doesn't think the script is `-c`. This avoids the following warning:
+    #     manifest_maker: standard file '-c' not found".
+    # - It generates a shim setup.py, for handling setup.cfg-only projects.
+    import os, sys, tokenize
+
+    try:
+        import setuptools
+    except ImportError as error:
+        print(
+            "ERROR: Can not execute `setup.py` since setuptools is not available in "
+            "the build environment.",
+            file=sys.stderr,
+        )
+        sys.exit(1)
+
+    __file__ = %r
+    sys.argv[0] = __file__
+
+    if os.path.exists(__file__):
+        filename = __file__
+        with tokenize.open(__file__) as f:
+            setup_py_code = f.read()
+    else:
+        filename = "<auto-generated setuptools caller>"
+        setup_py_code = "from setuptools import setup; setup()"
+
+    exec(compile(setup_py_code, filename, "exec"))
+    ''' % ({!r},), "<pip-setuptools-caller>", "exec"))
+    """
+).rstrip()
+
+
+def make_setuptools_shim_args(
+    setup_py_path: str,
+    global_options: Optional[Sequence[str]] = None,
+    no_user_config: bool = False,
+    unbuffered_output: bool = False,
+) -> List[str]:
+    """
+    Get setuptools command arguments with shim wrapped setup file invocation.
+
+    :param setup_py_path: The path to setup.py to be wrapped.
+    :param global_options: Additional global options.
+    :param no_user_config: If True, disables personal user configuration.
+    :param unbuffered_output: If True, adds the unbuffered switch to the
+     argument list.
+    """
+    args = [sys.executable]
+    if unbuffered_output:
+        args += ["-u"]
+    args += ["-c", _SETUPTOOLS_SHIM.format(setup_py_path)]
+    if global_options:
+        args += global_options
+    if no_user_config:
+        args += ["--no-user-cfg"]
+    return args
+
+
+def make_setuptools_bdist_wheel_args(
+    setup_py_path: str,
+    global_options: Sequence[str],
+    build_options: Sequence[str],
+    destination_dir: str,
+) -> List[str]:
+    # NOTE: Eventually, we'd want to also -S to the flags here, when we're
+    # isolating. Currently, it breaks Python in virtualenvs, because it
+    # relies on site.py to find parts of the standard library outside the
+    # virtualenv.
+    args = make_setuptools_shim_args(
+        setup_py_path, global_options=global_options, unbuffered_output=True
+    )
+    args += ["bdist_wheel", "-d", destination_dir]
+    args += build_options
+    return args
+
+
+def make_setuptools_clean_args(
+    setup_py_path: str,
+    global_options: Sequence[str],
+) -> List[str]:
+    args = make_setuptools_shim_args(
+        setup_py_path, global_options=global_options, unbuffered_output=True
+    )
+    args += ["clean", "--all"]
+    return args
+
+
+def make_setuptools_develop_args(
+    setup_py_path: str,
+    *,
+    global_options: Sequence[str],
+    no_user_config: bool,
+    prefix: Optional[str],
+    home: Optional[str],
+    use_user_site: bool,
+) -> List[str]:
+    assert not (use_user_site and prefix)
+
+    args = make_setuptools_shim_args(
+        setup_py_path,
+        global_options=global_options,
+        no_user_config=no_user_config,
+    )
+
+    args += ["develop", "--no-deps"]
+
+    if prefix:
+        args += ["--prefix", prefix]
+    if home is not None:
+        args += ["--install-dir", home]
+
+    if use_user_site:
+        args += ["--user", "--prefix="]
+
+    return args
+
+
+def make_setuptools_egg_info_args(
+    setup_py_path: str,
+    egg_info_dir: Optional[str],
+    no_user_config: bool,
+) -> List[str]:
+    args = make_setuptools_shim_args(setup_py_path, no_user_config=no_user_config)
+
+    args += ["egg_info"]
+
+    if egg_info_dir:
+        args += ["--egg-base", egg_info_dir]
+
+    return args
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/subprocess.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/subprocess.py
new file mode 100644
index 00000000..79580b05
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/subprocess.py
@@ -0,0 +1,260 @@
+import logging
+import os
+import shlex
+import subprocess
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Iterable,
+    List,
+    Mapping,
+    Optional,
+    Union,
+)
+
+from pip._vendor.rich.markup import escape
+
+from pip._internal.cli.spinners import SpinnerInterface, open_spinner
+from pip._internal.exceptions import InstallationSubprocessError
+from pip._internal.utils.logging import VERBOSE, subprocess_logger
+from pip._internal.utils.misc import HiddenText
+
+if TYPE_CHECKING:
+    # Literal was introduced in Python 3.8.
+    #
+    # TODO: Remove `if TYPE_CHECKING` when dropping support for Python 3.7.
+    from typing import Literal
+
+CommandArgs = List[Union[str, HiddenText]]
+
+
+def make_command(*args: Union[str, HiddenText, CommandArgs]) -> CommandArgs:
+    """
+    Create a CommandArgs object.
+    """
+    command_args: CommandArgs = []
+    for arg in args:
+        # Check for list instead of CommandArgs since CommandArgs is
+        # only known during type-checking.
+        if isinstance(arg, list):
+            command_args.extend(arg)
+        else:
+            # Otherwise, arg is str or HiddenText.
+            command_args.append(arg)
+
+    return command_args
+
+
+def format_command_args(args: Union[List[str], CommandArgs]) -> str:
+    """
+    Format command arguments for display.
+    """
+    # For HiddenText arguments, display the redacted form by calling str().
+    # Also, we don't apply str() to arguments that aren't HiddenText since
+    # this can trigger a UnicodeDecodeError in Python 2 if the argument
+    # has type unicode and includes a non-ascii character.  (The type
+    # checker doesn't ensure the annotations are correct in all cases.)
+    return " ".join(
+        shlex.quote(str(arg)) if isinstance(arg, HiddenText) else shlex.quote(arg)
+        for arg in args
+    )
+
+
+def reveal_command_args(args: Union[List[str], CommandArgs]) -> List[str]:
+    """
+    Return the arguments in their raw, unredacted form.
+    """
+    return [arg.secret if isinstance(arg, HiddenText) else arg for arg in args]
+
+
+def call_subprocess(
+    cmd: Union[List[str], CommandArgs],
+    show_stdout: bool = False,
+    cwd: Optional[str] = None,
+    on_returncode: 'Literal["raise", "warn", "ignore"]' = "raise",
+    extra_ok_returncodes: Optional[Iterable[int]] = None,
+    extra_environ: Optional[Mapping[str, Any]] = None,
+    unset_environ: Optional[Iterable[str]] = None,
+    spinner: Optional[SpinnerInterface] = None,
+    log_failed_cmd: Optional[bool] = True,
+    stdout_only: Optional[bool] = False,
+    *,
+    command_desc: str,
+) -> str:
+    """
+    Args:
+      show_stdout: if true, use INFO to log the subprocess's stderr and
+        stdout streams.  Otherwise, use DEBUG.  Defaults to False.
+      extra_ok_returncodes: an iterable of integer return codes that are
+        acceptable, in addition to 0. Defaults to None, which means [].
+      unset_environ: an iterable of environment variable names to unset
+        prior to calling subprocess.Popen().
+      log_failed_cmd: if false, failed commands are not logged, only raised.
+      stdout_only: if true, return only stdout, else return both. When true,
+        logging of both stdout and stderr occurs when the subprocess has
+        terminated, else logging occurs as subprocess output is produced.
+    """
+    if extra_ok_returncodes is None:
+        extra_ok_returncodes = []
+    if unset_environ is None:
+        unset_environ = []
+    # Most places in pip use show_stdout=False. What this means is--
+    #
+    # - We connect the child's output (combined stderr and stdout) to a
+    #   single pipe, which we read.
+    # - We log this output to stderr at DEBUG level as it is received.
+    # - If DEBUG logging isn't enabled (e.g. if --verbose logging wasn't
+    #   requested), then we show a spinner so the user can still see the
+    #   subprocess is in progress.
+    # - If the subprocess exits with an error, we log the output to stderr
+    #   at ERROR level if it hasn't already been displayed to the console
+    #   (e.g. if --verbose logging wasn't enabled).  This way we don't log
+    #   the output to the console twice.
+    #
+    # If show_stdout=True, then the above is still done, but with DEBUG
+    # replaced by INFO.
+    if show_stdout:
+        # Then log the subprocess output at INFO level.
+        log_subprocess: Callable[..., None] = subprocess_logger.info
+        used_level = logging.INFO
+    else:
+        # Then log the subprocess output using VERBOSE.  This also ensures
+        # it will be logged to the log file (aka user_log), if enabled.
+        log_subprocess = subprocess_logger.verbose
+        used_level = VERBOSE
+
+    # Whether the subprocess will be visible in the console.
+    showing_subprocess = subprocess_logger.getEffectiveLevel() <= used_level
+
+    # Only use the spinner if we're not showing the subprocess output
+    # and we have a spinner.
+    use_spinner = not showing_subprocess and spinner is not None
+
+    log_subprocess("Running command %s", command_desc)
+    env = os.environ.copy()
+    if extra_environ:
+        env.update(extra_environ)
+    for name in unset_environ:
+        env.pop(name, None)
+    try:
+        proc = subprocess.Popen(
+            # Convert HiddenText objects to the underlying str.
+            reveal_command_args(cmd),
+            stdin=subprocess.PIPE,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT if not stdout_only else subprocess.PIPE,
+            cwd=cwd,
+            env=env,
+            errors="backslashreplace",
+        )
+    except Exception as exc:
+        if log_failed_cmd:
+            subprocess_logger.critical(
+                "Error %s while executing command %s",
+                exc,
+                command_desc,
+            )
+        raise
+    all_output = []
+    if not stdout_only:
+        assert proc.stdout
+        assert proc.stdin
+        proc.stdin.close()
+        # In this mode, stdout and stderr are in the same pipe.
+        while True:
+            line: str = proc.stdout.readline()
+            if not line:
+                break
+            line = line.rstrip()
+            all_output.append(line + "\n")
+
+            # Show the line immediately.
+            log_subprocess(line)
+            # Update the spinner.
+            if use_spinner:
+                assert spinner
+                spinner.spin()
+        try:
+            proc.wait()
+        finally:
+            if proc.stdout:
+                proc.stdout.close()
+        output = "".join(all_output)
+    else:
+        # In this mode, stdout and stderr are in different pipes.
+        # We must use communicate() which is the only safe way to read both.
+        out, err = proc.communicate()
+        # log line by line to preserve pip log indenting
+        for out_line in out.splitlines():
+            log_subprocess(out_line)
+        all_output.append(out)
+        for err_line in err.splitlines():
+            log_subprocess(err_line)
+        all_output.append(err)
+        output = out
+
+    proc_had_error = proc.returncode and proc.returncode not in extra_ok_returncodes
+    if use_spinner:
+        assert spinner
+        if proc_had_error:
+            spinner.finish("error")
+        else:
+            spinner.finish("done")
+    if proc_had_error:
+        if on_returncode == "raise":
+            error = InstallationSubprocessError(
+                command_description=command_desc,
+                exit_code=proc.returncode,
+                output_lines=all_output if not showing_subprocess else None,
+            )
+            if log_failed_cmd:
+                subprocess_logger.error("%s", error, extra={"rich": True})
+                subprocess_logger.verbose(
+                    "[bold magenta]full command[/]: [blue]%s[/]",
+                    escape(format_command_args(cmd)),
+                    extra={"markup": True},
+                )
+                subprocess_logger.verbose(
+                    "[bold magenta]cwd[/]: %s",
+                    escape(cwd or "[inherit]"),
+                    extra={"markup": True},
+                )
+
+            raise error
+        elif on_returncode == "warn":
+            subprocess_logger.warning(
+                'Command "%s" had error code %s in %s',
+                command_desc,
+                proc.returncode,
+                cwd,
+            )
+        elif on_returncode == "ignore":
+            pass
+        else:
+            raise ValueError(f"Invalid value: on_returncode={on_returncode!r}")
+    return output
+
+
+def runner_with_spinner_message(message: str) -> Callable[..., None]:
+    """Provide a subprocess_runner that shows a spinner message.
+
+    Intended for use with for BuildBackendHookCaller. Thus, the runner has
+    an API that matches what's expected by BuildBackendHookCaller.subprocess_runner.
+    """
+
+    def runner(
+        cmd: List[str],
+        cwd: Optional[str] = None,
+        extra_environ: Optional[Mapping[str, Any]] = None,
+    ) -> None:
+        with open_spinner(message) as spinner:
+            call_subprocess(
+                cmd,
+                command_desc=message,
+                cwd=cwd,
+                extra_environ=extra_environ,
+                spinner=spinner,
+            )
+
+    return runner
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/temp_dir.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/temp_dir.py
new file mode 100644
index 00000000..4eec5f37
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/temp_dir.py
@@ -0,0 +1,296 @@
+import errno
+import itertools
+import logging
+import os.path
+import tempfile
+import traceback
+from contextlib import ExitStack, contextmanager
+from pathlib import Path
+from typing import (
+    Any,
+    Callable,
+    Dict,
+    Generator,
+    List,
+    Optional,
+    TypeVar,
+    Union,
+)
+
+from pip._internal.utils.misc import enum, rmtree
+
+logger = logging.getLogger(__name__)
+
+_T = TypeVar("_T", bound="TempDirectory")
+
+
+# Kinds of temporary directories. Only needed for ones that are
+# globally-managed.
+tempdir_kinds = enum(
+    BUILD_ENV="build-env",
+    EPHEM_WHEEL_CACHE="ephem-wheel-cache",
+    REQ_BUILD="req-build",
+)
+
+
+_tempdir_manager: Optional[ExitStack] = None
+
+
+@contextmanager
+def global_tempdir_manager() -> Generator[None, None, None]:
+    global _tempdir_manager
+    with ExitStack() as stack:
+        old_tempdir_manager, _tempdir_manager = _tempdir_manager, stack
+        try:
+            yield
+        finally:
+            _tempdir_manager = old_tempdir_manager
+
+
+class TempDirectoryTypeRegistry:
+    """Manages temp directory behavior"""
+
+    def __init__(self) -> None:
+        self._should_delete: Dict[str, bool] = {}
+
+    def set_delete(self, kind: str, value: bool) -> None:
+        """Indicate whether a TempDirectory of the given kind should be
+        auto-deleted.
+        """
+        self._should_delete[kind] = value
+
+    def get_delete(self, kind: str) -> bool:
+        """Get configured auto-delete flag for a given TempDirectory type,
+        default True.
+        """
+        return self._should_delete.get(kind, True)
+
+
+_tempdir_registry: Optional[TempDirectoryTypeRegistry] = None
+
+
+@contextmanager
+def tempdir_registry() -> Generator[TempDirectoryTypeRegistry, None, None]:
+    """Provides a scoped global tempdir registry that can be used to dictate
+    whether directories should be deleted.
+    """
+    global _tempdir_registry
+    old_tempdir_registry = _tempdir_registry
+    _tempdir_registry = TempDirectoryTypeRegistry()
+    try:
+        yield _tempdir_registry
+    finally:
+        _tempdir_registry = old_tempdir_registry
+
+
+class _Default:
+    pass
+
+
+_default = _Default()
+
+
+class TempDirectory:
+    """Helper class that owns and cleans up a temporary directory.
+
+    This class can be used as a context manager or as an OO representation of a
+    temporary directory.
+
+    Attributes:
+        path
+            Location to the created temporary directory
+        delete
+            Whether the directory should be deleted when exiting
+            (when used as a contextmanager)
+
+    Methods:
+        cleanup()
+            Deletes the temporary directory
+
+    When used as a context manager, if the delete attribute is True, on
+    exiting the context the temporary directory is deleted.
+    """
+
+    def __init__(
+        self,
+        path: Optional[str] = None,
+        delete: Union[bool, None, _Default] = _default,
+        kind: str = "temp",
+        globally_managed: bool = False,
+        ignore_cleanup_errors: bool = True,
+    ):
+        super().__init__()
+
+        if delete is _default:
+            if path is not None:
+                # If we were given an explicit directory, resolve delete option
+                # now.
+                delete = False
+            else:
+                # Otherwise, we wait until cleanup and see what
+                # tempdir_registry says.
+                delete = None
+
+        # The only time we specify path is in for editables where it
+        # is the value of the --src option.
+        if path is None:
+            path = self._create(kind)
+
+        self._path = path
+        self._deleted = False
+        self.delete = delete
+        self.kind = kind
+        self.ignore_cleanup_errors = ignore_cleanup_errors
+
+        if globally_managed:
+            assert _tempdir_manager is not None
+            _tempdir_manager.enter_context(self)
+
+    @property
+    def path(self) -> str:
+        assert not self._deleted, f"Attempted to access deleted path: {self._path}"
+        return self._path
+
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__} {self.path!r}>"
+
+    def __enter__(self: _T) -> _T:
+        return self
+
+    def __exit__(self, exc: Any, value: Any, tb: Any) -> None:
+        if self.delete is not None:
+            delete = self.delete
+        elif _tempdir_registry:
+            delete = _tempdir_registry.get_delete(self.kind)
+        else:
+            delete = True
+
+        if delete:
+            self.cleanup()
+
+    def _create(self, kind: str) -> str:
+        """Create a temporary directory and store its path in self.path"""
+        # We realpath here because some systems have their default tmpdir
+        # symlinked to another directory.  This tends to confuse build
+        # scripts, so we canonicalize the path by traversing potential
+        # symlinks here.
+        path = os.path.realpath(tempfile.mkdtemp(prefix=f"pip-{kind}-"))
+        logger.debug("Created temporary directory: %s", path)
+        return path
+
+    def cleanup(self) -> None:
+        """Remove the temporary directory created and reset state"""
+        self._deleted = True
+        if not os.path.exists(self._path):
+            return
+
+        errors: List[BaseException] = []
+
+        def onerror(
+            func: Callable[..., Any],
+            path: Path,
+            exc_val: BaseException,
+        ) -> None:
+            """Log a warning for a `rmtree` error and continue"""
+            formatted_exc = "\n".join(
+                traceback.format_exception_only(type(exc_val), exc_val)
+            )
+            formatted_exc = formatted_exc.rstrip()  # remove trailing new line
+            if func in (os.unlink, os.remove, os.rmdir):
+                logger.debug(
+                    "Failed to remove a temporary file '%s' due to %s.\n",
+                    path,
+                    formatted_exc,
+                )
+            else:
+                logger.debug("%s failed with %s.", func.__qualname__, formatted_exc)
+            errors.append(exc_val)
+
+        if self.ignore_cleanup_errors:
+            try:
+                # first try with tenacity; retrying to handle ephemeral errors
+                rmtree(self._path, ignore_errors=False)
+            except OSError:
+                # last pass ignore/log all errors
+                rmtree(self._path, onexc=onerror)
+            if errors:
+                logger.warning(
+                    "Failed to remove contents in a temporary directory '%s'.\n"
+                    "You can safely remove it manually.",
+                    self._path,
+                )
+        else:
+            rmtree(self._path)
+
+
+class AdjacentTempDirectory(TempDirectory):
+    """Helper class that creates a temporary directory adjacent to a real one.
+
+    Attributes:
+        original
+            The original directory to create a temp directory for.
+        path
+            After calling create() or entering, contains the full
+            path to the temporary directory.
+        delete
+            Whether the directory should be deleted when exiting
+            (when used as a contextmanager)
+
+    """
+
+    # The characters that may be used to name the temp directory
+    # We always prepend a ~ and then rotate through these until
+    # a usable name is found.
+    # pkg_resources raises a different error for .dist-info folder
+    # with leading '-' and invalid metadata
+    LEADING_CHARS = "-~.=%0123456789"
+
+    def __init__(self, original: str, delete: Optional[bool] = None) -> None:
+        self.original = original.rstrip("/\\")
+        super().__init__(delete=delete)
+
+    @classmethod
+    def _generate_names(cls, name: str) -> Generator[str, None, None]:
+        """Generates a series of temporary names.
+
+        The algorithm replaces the leading characters in the name
+        with ones that are valid filesystem characters, but are not
+        valid package names (for both Python and pip definitions of
+        package).
+        """
+        for i in range(1, len(name)):
+            for candidate in itertools.combinations_with_replacement(
+                cls.LEADING_CHARS, i - 1
+            ):
+                new_name = "~" + "".join(candidate) + name[i:]
+                if new_name != name:
+                    yield new_name
+
+        # If we make it this far, we will have to make a longer name
+        for i in range(len(cls.LEADING_CHARS)):
+            for candidate in itertools.combinations_with_replacement(
+                cls.LEADING_CHARS, i
+            ):
+                new_name = "~" + "".join(candidate) + name
+                if new_name != name:
+                    yield new_name
+
+    def _create(self, kind: str) -> str:
+        root, name = os.path.split(self.original)
+        for candidate in self._generate_names(name):
+            path = os.path.join(root, candidate)
+            try:
+                os.mkdir(path)
+            except OSError as ex:
+                # Continue if the name exists already
+                if ex.errno != errno.EEXIST:
+                    raise
+            else:
+                path = os.path.realpath(path)
+                break
+        else:
+            # Final fallback on the default behavior.
+            path = os.path.realpath(tempfile.mkdtemp(prefix=f"pip-{kind}-"))
+
+        logger.debug("Created temporary directory: %s", path)
+        return path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/unpacking.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/unpacking.py
new file mode 100644
index 00000000..78b5c13c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/unpacking.py
@@ -0,0 +1,257 @@
+"""Utilities related archives.
+"""
+
+import logging
+import os
+import shutil
+import stat
+import tarfile
+import zipfile
+from typing import Iterable, List, Optional
+from zipfile import ZipInfo
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.utils.filetypes import (
+    BZ2_EXTENSIONS,
+    TAR_EXTENSIONS,
+    XZ_EXTENSIONS,
+    ZIP_EXTENSIONS,
+)
+from pip._internal.utils.misc import ensure_dir
+
+logger = logging.getLogger(__name__)
+
+
+SUPPORTED_EXTENSIONS = ZIP_EXTENSIONS + TAR_EXTENSIONS
+
+try:
+    import bz2  # noqa
+
+    SUPPORTED_EXTENSIONS += BZ2_EXTENSIONS
+except ImportError:
+    logger.debug("bz2 module is not available")
+
+try:
+    # Only for Python 3.3+
+    import lzma  # noqa
+
+    SUPPORTED_EXTENSIONS += XZ_EXTENSIONS
+except ImportError:
+    logger.debug("lzma module is not available")
+
+
+def current_umask() -> int:
+    """Get the current umask which involves having to set it temporarily."""
+    mask = os.umask(0)
+    os.umask(mask)
+    return mask
+
+
+def split_leading_dir(path: str) -> List[str]:
+    path = path.lstrip("/").lstrip("\\")
+    if "/" in path and (
+        ("\\" in path and path.find("/") < path.find("\\")) or "\\" not in path
+    ):
+        return path.split("/", 1)
+    elif "\\" in path:
+        return path.split("\\", 1)
+    else:
+        return [path, ""]
+
+
+def has_leading_dir(paths: Iterable[str]) -> bool:
+    """Returns true if all the paths have the same leading path name
+    (i.e., everything is in one subdirectory in an archive)"""
+    common_prefix = None
+    for path in paths:
+        prefix, rest = split_leading_dir(path)
+        if not prefix:
+            return False
+        elif common_prefix is None:
+            common_prefix = prefix
+        elif prefix != common_prefix:
+            return False
+    return True
+
+
+def is_within_directory(directory: str, target: str) -> bool:
+    """
+    Return true if the absolute path of target is within the directory
+    """
+    abs_directory = os.path.abspath(directory)
+    abs_target = os.path.abspath(target)
+
+    prefix = os.path.commonprefix([abs_directory, abs_target])
+    return prefix == abs_directory
+
+
+def set_extracted_file_to_default_mode_plus_executable(path: str) -> None:
+    """
+    Make file present at path have execute for user/group/world
+    (chmod +x) is no-op on windows per python docs
+    """
+    os.chmod(path, (0o777 & ~current_umask() | 0o111))
+
+
+def zip_item_is_executable(info: ZipInfo) -> bool:
+    mode = info.external_attr >> 16
+    # if mode and regular file and any execute permissions for
+    # user/group/world?
+    return bool(mode and stat.S_ISREG(mode) and mode & 0o111)
+
+
+def unzip_file(filename: str, location: str, flatten: bool = True) -> None:
+    """
+    Unzip the file (with path `filename`) to the destination `location`.  All
+    files are written based on system defaults and umask (i.e. permissions are
+    not preserved), except that regular file members with any execute
+    permissions (user, group, or world) have "chmod +x" applied after being
+    written. Note that for windows, any execute changes using os.chmod are
+    no-ops per the python docs.
+    """
+    ensure_dir(location)
+    zipfp = open(filename, "rb")
+    try:
+        zip = zipfile.ZipFile(zipfp, allowZip64=True)
+        leading = has_leading_dir(zip.namelist()) and flatten
+        for info in zip.infolist():
+            name = info.filename
+            fn = name
+            if leading:
+                fn = split_leading_dir(name)[1]
+            fn = os.path.join(location, fn)
+            dir = os.path.dirname(fn)
+            if not is_within_directory(location, fn):
+                message = (
+                    "The zip file ({}) has a file ({}) trying to install "
+                    "outside target directory ({})"
+                )
+                raise InstallationError(message.format(filename, fn, location))
+            if fn.endswith("/") or fn.endswith("\\"):
+                # A directory
+                ensure_dir(fn)
+            else:
+                ensure_dir(dir)
+                # Don't use read() to avoid allocating an arbitrarily large
+                # chunk of memory for the file's content
+                fp = zip.open(name)
+                try:
+                    with open(fn, "wb") as destfp:
+                        shutil.copyfileobj(fp, destfp)
+                finally:
+                    fp.close()
+                    if zip_item_is_executable(info):
+                        set_extracted_file_to_default_mode_plus_executable(fn)
+    finally:
+        zipfp.close()
+
+
+def untar_file(filename: str, location: str) -> None:
+    """
+    Untar the file (with path `filename`) to the destination `location`.
+    All files are written based on system defaults and umask (i.e. permissions
+    are not preserved), except that regular file members with any execute
+    permissions (user, group, or world) have "chmod +x" applied after being
+    written.  Note that for windows, any execute changes using os.chmod are
+    no-ops per the python docs.
+    """
+    ensure_dir(location)
+    if filename.lower().endswith(".gz") or filename.lower().endswith(".tgz"):
+        mode = "r:gz"
+    elif filename.lower().endswith(BZ2_EXTENSIONS):
+        mode = "r:bz2"
+    elif filename.lower().endswith(XZ_EXTENSIONS):
+        mode = "r:xz"
+    elif filename.lower().endswith(".tar"):
+        mode = "r"
+    else:
+        logger.warning(
+            "Cannot determine compression type for file %s",
+            filename,
+        )
+        mode = "r:*"
+    tar = tarfile.open(filename, mode, encoding="utf-8")
+    try:
+        leading = has_leading_dir([member.name for member in tar.getmembers()])
+        for member in tar.getmembers():
+            fn = member.name
+            if leading:
+                fn = split_leading_dir(fn)[1]
+            path = os.path.join(location, fn)
+            if not is_within_directory(location, path):
+                message = (
+                    "The tar file ({}) has a file ({}) trying to install "
+                    "outside target directory ({})"
+                )
+                raise InstallationError(message.format(filename, path, location))
+            if member.isdir():
+                ensure_dir(path)
+            elif member.issym():
+                try:
+                    tar._extract_member(member, path)
+                except Exception as exc:
+                    # Some corrupt tar files seem to produce this
+                    # (specifically bad symlinks)
+                    logger.warning(
+                        "In the tar file %s the member %s is invalid: %s",
+                        filename,
+                        member.name,
+                        exc,
+                    )
+                    continue
+            else:
+                try:
+                    fp = tar.extractfile(member)
+                except (KeyError, AttributeError) as exc:
+                    # Some corrupt tar files seem to produce this
+                    # (specifically bad symlinks)
+                    logger.warning(
+                        "In the tar file %s the member %s is invalid: %s",
+                        filename,
+                        member.name,
+                        exc,
+                    )
+                    continue
+                ensure_dir(os.path.dirname(path))
+                assert fp is not None
+                with open(path, "wb") as destfp:
+                    shutil.copyfileobj(fp, destfp)
+                fp.close()
+                # Update the timestamp (useful for cython compiled files)
+                tar.utime(member, path)
+                # member have any execute permissions for user/group/world?
+                if member.mode & 0o111:
+                    set_extracted_file_to_default_mode_plus_executable(path)
+    finally:
+        tar.close()
+
+
+def unpack_file(
+    filename: str,
+    location: str,
+    content_type: Optional[str] = None,
+) -> None:
+    filename = os.path.realpath(filename)
+    if (
+        content_type == "application/zip"
+        or filename.lower().endswith(ZIP_EXTENSIONS)
+        or zipfile.is_zipfile(filename)
+    ):
+        unzip_file(filename, location, flatten=not filename.endswith(".whl"))
+    elif (
+        content_type == "application/x-gzip"
+        or tarfile.is_tarfile(filename)
+        or filename.lower().endswith(TAR_EXTENSIONS + BZ2_EXTENSIONS + XZ_EXTENSIONS)
+    ):
+        untar_file(filename, location)
+    else:
+        # FIXME: handle?
+        # FIXME: magic signatures?
+        logger.critical(
+            "Cannot unpack file %s (downloaded from %s, content-type: %s); "
+            "cannot detect archive format",
+            filename,
+            location,
+            content_type,
+        )
+        raise InstallationError(f"Cannot determine archive format of {location}")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/urls.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/urls.py
new file mode 100644
index 00000000..6ba2e04f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/urls.py
@@ -0,0 +1,62 @@
+import os
+import string
+import urllib.parse
+import urllib.request
+from typing import Optional
+
+from .compat import WINDOWS
+
+
+def get_url_scheme(url: str) -> Optional[str]:
+    if ":" not in url:
+        return None
+    return url.split(":", 1)[0].lower()
+
+
+def path_to_url(path: str) -> str:
+    """
+    Convert a path to a file: URL.  The path will be made absolute and have
+    quoted path parts.
+    """
+    path = os.path.normpath(os.path.abspath(path))
+    url = urllib.parse.urljoin("file:", urllib.request.pathname2url(path))
+    return url
+
+
+def url_to_path(url: str) -> str:
+    """
+    Convert a file: URL to a path.
+    """
+    assert url.startswith(
+        "file:"
+    ), f"You can only turn file: urls into filenames (not {url!r})"
+
+    _, netloc, path, _, _ = urllib.parse.urlsplit(url)
+
+    if not netloc or netloc == "localhost":
+        # According to RFC 8089, same as empty authority.
+        netloc = ""
+    elif WINDOWS:
+        # If we have a UNC path, prepend UNC share notation.
+        netloc = "\\\\" + netloc
+    else:
+        raise ValueError(
+            f"non-local file URIs are not supported on this platform: {url!r}"
+        )
+
+    path = urllib.request.url2pathname(netloc + path)
+
+    # On Windows, urlsplit parses the path as something like "/C:/Users/foo".
+    # This creates issues for path-related functions like io.open(), so we try
+    # to detect and strip the leading slash.
+    if (
+        WINDOWS
+        and not netloc  # Not UNC.
+        and len(path) >= 3
+        and path[0] == "/"  # Leading slash to strip.
+        and path[1] in string.ascii_letters  # Drive letter.
+        and path[2:4] in (":", ":/")  # Colon + end of string, or colon + absolute path.
+    ):
+        path = path[1:]
+
+    return path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/virtualenv.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/virtualenv.py
new file mode 100644
index 00000000..882e36f5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/virtualenv.py
@@ -0,0 +1,104 @@
+import logging
+import os
+import re
+import site
+import sys
+from typing import List, Optional
+
+logger = logging.getLogger(__name__)
+_INCLUDE_SYSTEM_SITE_PACKAGES_REGEX = re.compile(
+    r"include-system-site-packages\s*=\s*(?P<value>true|false)"
+)
+
+
+def _running_under_venv() -> bool:
+    """Checks if sys.base_prefix and sys.prefix match.
+
+    This handles PEP 405 compliant virtual environments.
+    """
+    return sys.prefix != getattr(sys, "base_prefix", sys.prefix)
+
+
+def _running_under_legacy_virtualenv() -> bool:
+    """Checks if sys.real_prefix is set.
+
+    This handles virtual environments created with pypa's virtualenv.
+    """
+    # pypa/virtualenv case
+    return hasattr(sys, "real_prefix")
+
+
+def running_under_virtualenv() -> bool:
+    """True if we're running inside a virtual environment, False otherwise."""
+    return _running_under_venv() or _running_under_legacy_virtualenv()
+
+
+def _get_pyvenv_cfg_lines() -> Optional[List[str]]:
+    """Reads {sys.prefix}/pyvenv.cfg and returns its contents as list of lines
+
+    Returns None, if it could not read/access the file.
+    """
+    pyvenv_cfg_file = os.path.join(sys.prefix, "pyvenv.cfg")
+    try:
+        # Although PEP 405 does not specify, the built-in venv module always
+        # writes with UTF-8. (pypa/pip#8717)
+        with open(pyvenv_cfg_file, encoding="utf-8") as f:
+            return f.read().splitlines()  # avoids trailing newlines
+    except OSError:
+        return None
+
+
+def _no_global_under_venv() -> bool:
+    """Check `{sys.prefix}/pyvenv.cfg` for system site-packages inclusion
+
+    PEP 405 specifies that when system site-packages are not supposed to be
+    visible from a virtual environment, `pyvenv.cfg` must contain the following
+    line:
+
+        include-system-site-packages = false
+
+    Additionally, log a warning if accessing the file fails.
+    """
+    cfg_lines = _get_pyvenv_cfg_lines()
+    if cfg_lines is None:
+        # We're not in a "sane" venv, so assume there is no system
+        # site-packages access (since that's PEP 405's default state).
+        logger.warning(
+            "Could not access 'pyvenv.cfg' despite a virtual environment "
+            "being active. Assuming global site-packages is not accessible "
+            "in this environment."
+        )
+        return True
+
+    for line in cfg_lines:
+        match = _INCLUDE_SYSTEM_SITE_PACKAGES_REGEX.match(line)
+        if match is not None and match.group("value") == "false":
+            return True
+    return False
+
+
+def _no_global_under_legacy_virtualenv() -> bool:
+    """Check if "no-global-site-packages.txt" exists beside site.py
+
+    This mirrors logic in pypa/virtualenv for determining whether system
+    site-packages are visible in the virtual environment.
+    """
+    site_mod_dir = os.path.dirname(os.path.abspath(site.__file__))
+    no_global_site_packages_file = os.path.join(
+        site_mod_dir,
+        "no-global-site-packages.txt",
+    )
+    return os.path.exists(no_global_site_packages_file)
+
+
+def virtualenv_no_global() -> bool:
+    """Returns a boolean, whether running in venv with no system site-packages."""
+    # PEP 405 compliance needs to be checked first since virtualenv >=20 would
+    # return True for both checks, but is only able to use the PEP 405 config.
+    if _running_under_venv():
+        return _no_global_under_venv()
+
+    if _running_under_legacy_virtualenv():
+        return _no_global_under_legacy_virtualenv()
+
+    return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/wheel.py
new file mode 100644
index 00000000..3551f8f1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/utils/wheel.py
@@ -0,0 +1,134 @@
+"""Support functions for working with wheel files.
+"""
+
+import logging
+from email.message import Message
+from email.parser import Parser
+from typing import Tuple
+from zipfile import BadZipFile, ZipFile
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.exceptions import UnsupportedWheel
+
+VERSION_COMPATIBLE = (1, 0)
+
+
+logger = logging.getLogger(__name__)
+
+
+def parse_wheel(wheel_zip: ZipFile, name: str) -> Tuple[str, Message]:
+    """Extract information from the provided wheel, ensuring it meets basic
+    standards.
+
+    Returns the name of the .dist-info directory and the parsed WHEEL metadata.
+    """
+    try:
+        info_dir = wheel_dist_info_dir(wheel_zip, name)
+        metadata = wheel_metadata(wheel_zip, info_dir)
+        version = wheel_version(metadata)
+    except UnsupportedWheel as e:
+        raise UnsupportedWheel(f"{name} has an invalid wheel, {str(e)}")
+
+    check_compatibility(version, name)
+
+    return info_dir, metadata
+
+
+def wheel_dist_info_dir(source: ZipFile, name: str) -> str:
+    """Returns the name of the contained .dist-info directory.
+
+    Raises AssertionError or UnsupportedWheel if not found, >1 found, or
+    it doesn't match the provided name.
+    """
+    # Zip file path separators must be /
+    subdirs = {p.split("/", 1)[0] for p in source.namelist()}
+
+    info_dirs = [s for s in subdirs if s.endswith(".dist-info")]
+
+    if not info_dirs:
+        raise UnsupportedWheel(".dist-info directory not found")
+
+    if len(info_dirs) > 1:
+        raise UnsupportedWheel(
+            "multiple .dist-info directories found: {}".format(", ".join(info_dirs))
+        )
+
+    info_dir = info_dirs[0]
+
+    info_dir_name = canonicalize_name(info_dir)
+    canonical_name = canonicalize_name(name)
+    if not info_dir_name.startswith(canonical_name):
+        raise UnsupportedWheel(
+            f".dist-info directory {info_dir!r} does not start with {canonical_name!r}"
+        )
+
+    return info_dir
+
+
+def read_wheel_metadata_file(source: ZipFile, path: str) -> bytes:
+    try:
+        return source.read(path)
+        # BadZipFile for general corruption, KeyError for missing entry,
+        # and RuntimeError for password-protected files
+    except (BadZipFile, KeyError, RuntimeError) as e:
+        raise UnsupportedWheel(f"could not read {path!r} file: {e!r}")
+
+
+def wheel_metadata(source: ZipFile, dist_info_dir: str) -> Message:
+    """Return the WHEEL metadata of an extracted wheel, if possible.
+    Otherwise, raise UnsupportedWheel.
+    """
+    path = f"{dist_info_dir}/WHEEL"
+    # Zip file path separators must be /
+    wheel_contents = read_wheel_metadata_file(source, path)
+
+    try:
+        wheel_text = wheel_contents.decode()
+    except UnicodeDecodeError as e:
+        raise UnsupportedWheel(f"error decoding {path!r}: {e!r}")
+
+    # FeedParser (used by Parser) does not raise any exceptions. The returned
+    # message may have .defects populated, but for backwards-compatibility we
+    # currently ignore them.
+    return Parser().parsestr(wheel_text)
+
+
+def wheel_version(wheel_data: Message) -> Tuple[int, ...]:
+    """Given WHEEL metadata, return the parsed Wheel-Version.
+    Otherwise, raise UnsupportedWheel.
+    """
+    version_text = wheel_data["Wheel-Version"]
+    if version_text is None:
+        raise UnsupportedWheel("WHEEL is missing Wheel-Version")
+
+    version = version_text.strip()
+
+    try:
+        return tuple(map(int, version.split(".")))
+    except ValueError:
+        raise UnsupportedWheel(f"invalid Wheel-Version: {version!r}")
+
+
+def check_compatibility(version: Tuple[int, ...], name: str) -> None:
+    """Raises errors or warns if called with an incompatible Wheel-Version.
+
+    pip should refuse to install a Wheel-Version that's a major series
+    ahead of what it's compatible with (e.g 2.0 > 1.1); and warn when
+    installing a version only minor version ahead (e.g 1.2 > 1.1).
+
+    version: a 2-tuple representing a Wheel-Version (Major, Minor)
+    name: name of wheel or package to raise exception about
+
+    :raises UnsupportedWheel: when an incompatible Wheel-Version is given
+    """
+    if version[0] > VERSION_COMPATIBLE[0]:
+        raise UnsupportedWheel(
+            "{}'s Wheel-Version ({}) is not compatible with this version "
+            "of pip".format(name, ".".join(map(str, version)))
+        )
+    elif version > VERSION_COMPATIBLE:
+        logger.warning(
+            "Installing from a newer Wheel-Version (%s)",
+            ".".join(map(str, version)),
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/__init__.py
new file mode 100644
index 00000000..b6beddbe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/__init__.py
@@ -0,0 +1,15 @@
+# Expose a limited set of classes and functions so callers outside of
+# the vcs package don't need to import deeper than `pip._internal.vcs`.
+# (The test directory may still need to import from a vcs sub-package.)
+# Import all vcs modules to register each VCS in the VcsSupport object.
+import pip._internal.vcs.bazaar
+import pip._internal.vcs.git
+import pip._internal.vcs.mercurial
+import pip._internal.vcs.subversion  # noqa: F401
+from pip._internal.vcs.versioncontrol import (  # noqa: F401
+    RemoteNotFoundError,
+    RemoteNotValidError,
+    is_url,
+    make_vcs_requirement_url,
+    vcs,
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/__pycache__/versioncontrol.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/__pycache__/versioncontrol.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/bazaar.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/bazaar.py
new file mode 100644
index 00000000..20a17ed0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/bazaar.py
@@ -0,0 +1,112 @@
+import logging
+from typing import List, Optional, Tuple
+
+from pip._internal.utils.misc import HiddenText, display_path
+from pip._internal.utils.subprocess import make_command
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs.versioncontrol import (
+    AuthInfo,
+    RemoteNotFoundError,
+    RevOptions,
+    VersionControl,
+    vcs,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class Bazaar(VersionControl):
+    name = "bzr"
+    dirname = ".bzr"
+    repo_name = "branch"
+    schemes = (
+        "bzr+http",
+        "bzr+https",
+        "bzr+ssh",
+        "bzr+sftp",
+        "bzr+ftp",
+        "bzr+lp",
+        "bzr+file",
+    )
+
+    @staticmethod
+    def get_base_rev_args(rev: str) -> List[str]:
+        return ["-r", rev]
+
+    def fetch_new(
+        self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int
+    ) -> None:
+        rev_display = rev_options.to_display()
+        logger.info(
+            "Checking out %s%s to %s",
+            url,
+            rev_display,
+            display_path(dest),
+        )
+        if verbosity <= 0:
+            flag = "--quiet"
+        elif verbosity == 1:
+            flag = ""
+        else:
+            flag = f"-{'v'*verbosity}"
+        cmd_args = make_command(
+            "checkout", "--lightweight", flag, rev_options.to_args(), url, dest
+        )
+        self.run_command(cmd_args)
+
+    def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        self.run_command(make_command("switch", url), cwd=dest)
+
+    def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        output = self.run_command(
+            make_command("info"), show_stdout=False, stdout_only=True, cwd=dest
+        )
+        if output.startswith("Standalone "):
+            # Older versions of pip used to create standalone branches.
+            # Convert the standalone branch to a checkout by calling "bzr bind".
+            cmd_args = make_command("bind", "-q", url)
+            self.run_command(cmd_args, cwd=dest)
+
+        cmd_args = make_command("update", "-q", rev_options.to_args())
+        self.run_command(cmd_args, cwd=dest)
+
+    @classmethod
+    def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]:
+        # hotfix the URL scheme after removing bzr+ from bzr+ssh:// re-add it
+        url, rev, user_pass = super().get_url_rev_and_auth(url)
+        if url.startswith("ssh://"):
+            url = "bzr+" + url
+        return url, rev, user_pass
+
+    @classmethod
+    def get_remote_url(cls, location: str) -> str:
+        urls = cls.run_command(
+            ["info"], show_stdout=False, stdout_only=True, cwd=location
+        )
+        for line in urls.splitlines():
+            line = line.strip()
+            for x in ("checkout of branch: ", "parent branch: "):
+                if line.startswith(x):
+                    repo = line.split(x)[1]
+                    if cls._is_local_repository(repo):
+                        return path_to_url(repo)
+                    return repo
+        raise RemoteNotFoundError
+
+    @classmethod
+    def get_revision(cls, location: str) -> str:
+        revision = cls.run_command(
+            ["revno"],
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        )
+        return revision.splitlines()[-1]
+
+    @classmethod
+    def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool:
+        """Always assume the versions don't match"""
+        return False
+
+
+vcs.register(Bazaar)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/git.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/git.py
new file mode 100644
index 00000000..8c242cf8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/git.py
@@ -0,0 +1,526 @@
+import logging
+import os.path
+import pathlib
+import re
+import urllib.parse
+import urllib.request
+from typing import List, Optional, Tuple
+
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.utils.misc import HiddenText, display_path, hide_url
+from pip._internal.utils.subprocess import make_command
+from pip._internal.vcs.versioncontrol import (
+    AuthInfo,
+    RemoteNotFoundError,
+    RemoteNotValidError,
+    RevOptions,
+    VersionControl,
+    find_path_to_project_root_from_repo_root,
+    vcs,
+)
+
+urlsplit = urllib.parse.urlsplit
+urlunsplit = urllib.parse.urlunsplit
+
+
+logger = logging.getLogger(__name__)
+
+
+GIT_VERSION_REGEX = re.compile(
+    r"^git version "  # Prefix.
+    r"(\d+)"  # Major.
+    r"\.(\d+)"  # Dot, minor.
+    r"(?:\.(\d+))?"  # Optional dot, patch.
+    r".*$"  # Suffix, including any pre- and post-release segments we don't care about.
+)
+
+HASH_REGEX = re.compile("^[a-fA-F0-9]{40}$")
+
+# SCP (Secure copy protocol) shorthand. e.g. 'git@example.com:foo/bar.git'
+SCP_REGEX = re.compile(
+    r"""^
+    # Optional user, e.g. 'git@'
+    (\w+@)?
+    # Server, e.g. 'github.com'.
+    ([^/:]+):
+    # The server-side path. e.g. 'user/project.git'. Must start with an
+    # alphanumeric character so as not to be confusable with a Windows paths
+    # like 'C:/foo/bar' or 'C:\foo\bar'.
+    (\w[^:]*)
+    $""",
+    re.VERBOSE,
+)
+
+
+def looks_like_hash(sha: str) -> bool:
+    return bool(HASH_REGEX.match(sha))
+
+
+class Git(VersionControl):
+    name = "git"
+    dirname = ".git"
+    repo_name = "clone"
+    schemes = (
+        "git+http",
+        "git+https",
+        "git+ssh",
+        "git+git",
+        "git+file",
+    )
+    # Prevent the user's environment variables from interfering with pip:
+    # https://github.com/pypa/pip/issues/1130
+    unset_environ = ("GIT_DIR", "GIT_WORK_TREE")
+    default_arg_rev = "HEAD"
+
+    @staticmethod
+    def get_base_rev_args(rev: str) -> List[str]:
+        return [rev]
+
+    def is_immutable_rev_checkout(self, url: str, dest: str) -> bool:
+        _, rev_options = self.get_url_rev_options(hide_url(url))
+        if not rev_options.rev:
+            return False
+        if not self.is_commit_id_equal(dest, rev_options.rev):
+            # the current commit is different from rev,
+            # which means rev was something else than a commit hash
+            return False
+        # return False in the rare case rev is both a commit hash
+        # and a tag or a branch; we don't want to cache in that case
+        # because that branch/tag could point to something else in the future
+        is_tag_or_branch = bool(self.get_revision_sha(dest, rev_options.rev)[0])
+        return not is_tag_or_branch
+
+    def get_git_version(self) -> Tuple[int, ...]:
+        version = self.run_command(
+            ["version"],
+            command_desc="git version",
+            show_stdout=False,
+            stdout_only=True,
+        )
+        match = GIT_VERSION_REGEX.match(version)
+        if not match:
+            logger.warning("Can't parse git version: %s", version)
+            return ()
+        return (int(match.group(1)), int(match.group(2)))
+
+    @classmethod
+    def get_current_branch(cls, location: str) -> Optional[str]:
+        """
+        Return the current branch, or None if HEAD isn't at a branch
+        (e.g. detached HEAD).
+        """
+        # git-symbolic-ref exits with empty stdout if "HEAD" is a detached
+        # HEAD rather than a symbolic ref.  In addition, the -q causes the
+        # command to exit with status code 1 instead of 128 in this case
+        # and to suppress the message to stderr.
+        args = ["symbolic-ref", "-q", "HEAD"]
+        output = cls.run_command(
+            args,
+            extra_ok_returncodes=(1,),
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        )
+        ref = output.strip()
+
+        if ref.startswith("refs/heads/"):
+            return ref[len("refs/heads/") :]
+
+        return None
+
+    @classmethod
+    def get_revision_sha(cls, dest: str, rev: str) -> Tuple[Optional[str], bool]:
+        """
+        Return (sha_or_none, is_branch), where sha_or_none is a commit hash
+        if the revision names a remote branch or tag, otherwise None.
+
+        Args:
+          dest: the repository directory.
+          rev: the revision name.
+        """
+        # Pass rev to pre-filter the list.
+        output = cls.run_command(
+            ["show-ref", rev],
+            cwd=dest,
+            show_stdout=False,
+            stdout_only=True,
+            on_returncode="ignore",
+        )
+        refs = {}
+        # NOTE: We do not use splitlines here since that would split on other
+        #       unicode separators, which can be maliciously used to install a
+        #       different revision.
+        for line in output.strip().split("\n"):
+            line = line.rstrip("\r")
+            if not line:
+                continue
+            try:
+                ref_sha, ref_name = line.split(" ", maxsplit=2)
+            except ValueError:
+                # Include the offending line to simplify troubleshooting if
+                # this error ever occurs.
+                raise ValueError(f"unexpected show-ref line: {line!r}")
+
+            refs[ref_name] = ref_sha
+
+        branch_ref = f"refs/remotes/origin/{rev}"
+        tag_ref = f"refs/tags/{rev}"
+
+        sha = refs.get(branch_ref)
+        if sha is not None:
+            return (sha, True)
+
+        sha = refs.get(tag_ref)
+
+        return (sha, False)
+
+    @classmethod
+    def _should_fetch(cls, dest: str, rev: str) -> bool:
+        """
+        Return true if rev is a ref or is a commit that we don't have locally.
+
+        Branches and tags are not considered in this method because they are
+        assumed to be always available locally (which is a normal outcome of
+        ``git clone`` and ``git fetch --tags``).
+        """
+        if rev.startswith("refs/"):
+            # Always fetch remote refs.
+            return True
+
+        if not looks_like_hash(rev):
+            # Git fetch would fail with abbreviated commits.
+            return False
+
+        if cls.has_commit(dest, rev):
+            # Don't fetch if we have the commit locally.
+            return False
+
+        return True
+
+    @classmethod
+    def resolve_revision(
+        cls, dest: str, url: HiddenText, rev_options: RevOptions
+    ) -> RevOptions:
+        """
+        Resolve a revision to a new RevOptions object with the SHA1 of the
+        branch, tag, or ref if found.
+
+        Args:
+          rev_options: a RevOptions object.
+        """
+        rev = rev_options.arg_rev
+        # The arg_rev property's implementation for Git ensures that the
+        # rev return value is always non-None.
+        assert rev is not None
+
+        sha, is_branch = cls.get_revision_sha(dest, rev)
+
+        if sha is not None:
+            rev_options = rev_options.make_new(sha)
+            rev_options.branch_name = rev if is_branch else None
+
+            return rev_options
+
+        # Do not show a warning for the common case of something that has
+        # the form of a Git commit hash.
+        if not looks_like_hash(rev):
+            logger.warning(
+                "Did not find branch or tag '%s', assuming revision or ref.",
+                rev,
+            )
+
+        if not cls._should_fetch(dest, rev):
+            return rev_options
+
+        # fetch the requested revision
+        cls.run_command(
+            make_command("fetch", "-q", url, rev_options.to_args()),
+            cwd=dest,
+        )
+        # Change the revision to the SHA of the ref we fetched
+        sha = cls.get_revision(dest, rev="FETCH_HEAD")
+        rev_options = rev_options.make_new(sha)
+
+        return rev_options
+
+    @classmethod
+    def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool:
+        """
+        Return whether the current commit hash equals the given name.
+
+        Args:
+          dest: the repository directory.
+          name: a string name.
+        """
+        if not name:
+            # Then avoid an unnecessary subprocess call.
+            return False
+
+        return cls.get_revision(dest) == name
+
+    def fetch_new(
+        self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int
+    ) -> None:
+        rev_display = rev_options.to_display()
+        logger.info("Cloning %s%s to %s", url, rev_display, display_path(dest))
+        if verbosity <= 0:
+            flags: Tuple[str, ...] = ("--quiet",)
+        elif verbosity == 1:
+            flags = ()
+        else:
+            flags = ("--verbose", "--progress")
+        if self.get_git_version() >= (2, 17):
+            # Git added support for partial clone in 2.17
+            # https://git-scm.com/docs/partial-clone
+            # Speeds up cloning by functioning without a complete copy of repository
+            self.run_command(
+                make_command(
+                    "clone",
+                    "--filter=blob:none",
+                    *flags,
+                    url,
+                    dest,
+                )
+            )
+        else:
+            self.run_command(make_command("clone", *flags, url, dest))
+
+        if rev_options.rev:
+            # Then a specific revision was requested.
+            rev_options = self.resolve_revision(dest, url, rev_options)
+            branch_name = getattr(rev_options, "branch_name", None)
+            logger.debug("Rev options %s, branch_name %s", rev_options, branch_name)
+            if branch_name is None:
+                # Only do a checkout if the current commit id doesn't match
+                # the requested revision.
+                if not self.is_commit_id_equal(dest, rev_options.rev):
+                    cmd_args = make_command(
+                        "checkout",
+                        "-q",
+                        rev_options.to_args(),
+                    )
+                    self.run_command(cmd_args, cwd=dest)
+            elif self.get_current_branch(dest) != branch_name:
+                # Then a specific branch was requested, and that branch
+                # is not yet checked out.
+                track_branch = f"origin/{branch_name}"
+                cmd_args = [
+                    "checkout",
+                    "-b",
+                    branch_name,
+                    "--track",
+                    track_branch,
+                ]
+                self.run_command(cmd_args, cwd=dest)
+        else:
+            sha = self.get_revision(dest)
+            rev_options = rev_options.make_new(sha)
+
+        logger.info("Resolved %s to commit %s", url, rev_options.rev)
+
+        #: repo may contain submodules
+        self.update_submodules(dest)
+
+    def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        self.run_command(
+            make_command("config", "remote.origin.url", url),
+            cwd=dest,
+        )
+        cmd_args = make_command("checkout", "-q", rev_options.to_args())
+        self.run_command(cmd_args, cwd=dest)
+
+        self.update_submodules(dest)
+
+    def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        # First fetch changes from the default remote
+        if self.get_git_version() >= (1, 9):
+            # fetch tags in addition to everything else
+            self.run_command(["fetch", "-q", "--tags"], cwd=dest)
+        else:
+            self.run_command(["fetch", "-q"], cwd=dest)
+        # Then reset to wanted revision (maybe even origin/master)
+        rev_options = self.resolve_revision(dest, url, rev_options)
+        cmd_args = make_command("reset", "--hard", "-q", rev_options.to_args())
+        self.run_command(cmd_args, cwd=dest)
+        #: update submodules
+        self.update_submodules(dest)
+
+    @classmethod
+    def get_remote_url(cls, location: str) -> str:
+        """
+        Return URL of the first remote encountered.
+
+        Raises RemoteNotFoundError if the repository does not have a remote
+        url configured.
+        """
+        # We need to pass 1 for extra_ok_returncodes since the command
+        # exits with return code 1 if there are no matching lines.
+        stdout = cls.run_command(
+            ["config", "--get-regexp", r"remote\..*\.url"],
+            extra_ok_returncodes=(1,),
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        )
+        remotes = stdout.splitlines()
+        try:
+            found_remote = remotes[0]
+        except IndexError:
+            raise RemoteNotFoundError
+
+        for remote in remotes:
+            if remote.startswith("remote.origin.url "):
+                found_remote = remote
+                break
+        url = found_remote.split(" ")[1]
+        return cls._git_remote_to_pip_url(url.strip())
+
+    @staticmethod
+    def _git_remote_to_pip_url(url: str) -> str:
+        """
+        Convert a remote url from what git uses to what pip accepts.
+
+        There are 3 legal forms **url** may take:
+
+            1. A fully qualified url: ssh://git@example.com/foo/bar.git
+            2. A local project.git folder: /path/to/bare/repository.git
+            3. SCP shorthand for form 1: git@example.com:foo/bar.git
+
+        Form 1 is output as-is. Form 2 must be converted to URI and form 3 must
+        be converted to form 1.
+
+        See the corresponding test test_git_remote_url_to_pip() for examples of
+        sample inputs/outputs.
+        """
+        if re.match(r"\w+://", url):
+            # This is already valid. Pass it though as-is.
+            return url
+        if os.path.exists(url):
+            # A local bare remote (git clone --mirror).
+            # Needs a file:// prefix.
+            return pathlib.PurePath(url).as_uri()
+        scp_match = SCP_REGEX.match(url)
+        if scp_match:
+            # Add an ssh:// prefix and replace the ':' with a '/'.
+            return scp_match.expand(r"ssh://\1\2/\3")
+        # Otherwise, bail out.
+        raise RemoteNotValidError(url)
+
+    @classmethod
+    def has_commit(cls, location: str, rev: str) -> bool:
+        """
+        Check if rev is a commit that is available in the local repository.
+        """
+        try:
+            cls.run_command(
+                ["rev-parse", "-q", "--verify", "sha^" + rev],
+                cwd=location,
+                log_failed_cmd=False,
+            )
+        except InstallationError:
+            return False
+        else:
+            return True
+
+    @classmethod
+    def get_revision(cls, location: str, rev: Optional[str] = None) -> str:
+        if rev is None:
+            rev = "HEAD"
+        current_rev = cls.run_command(
+            ["rev-parse", rev],
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        )
+        return current_rev.strip()
+
+    @classmethod
+    def get_subdirectory(cls, location: str) -> Optional[str]:
+        """
+        Return the path to Python project root, relative to the repo root.
+        Return None if the project root is in the repo root.
+        """
+        # find the repo root
+        git_dir = cls.run_command(
+            ["rev-parse", "--git-dir"],
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        ).strip()
+        if not os.path.isabs(git_dir):
+            git_dir = os.path.join(location, git_dir)
+        repo_root = os.path.abspath(os.path.join(git_dir, ".."))
+        return find_path_to_project_root_from_repo_root(location, repo_root)
+
+    @classmethod
+    def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]:
+        """
+        Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'.
+        That's required because although they use SSH they sometimes don't
+        work with a ssh:// scheme (e.g. GitHub). But we need a scheme for
+        parsing. Hence we remove it again afterwards and return it as a stub.
+        """
+        # Works around an apparent Git bug
+        # (see https://article.gmane.org/gmane.comp.version-control.git/146500)
+        scheme, netloc, path, query, fragment = urlsplit(url)
+        if scheme.endswith("file"):
+            initial_slashes = path[: -len(path.lstrip("/"))]
+            newpath = initial_slashes + urllib.request.url2pathname(path).replace(
+                "\\", "/"
+            ).lstrip("/")
+            after_plus = scheme.find("+") + 1
+            url = scheme[:after_plus] + urlunsplit(
+                (scheme[after_plus:], netloc, newpath, query, fragment),
+            )
+
+        if "://" not in url:
+            assert "file:" not in url
+            url = url.replace("git+", "git+ssh://")
+            url, rev, user_pass = super().get_url_rev_and_auth(url)
+            url = url.replace("ssh://", "")
+        else:
+            url, rev, user_pass = super().get_url_rev_and_auth(url)
+
+        return url, rev, user_pass
+
+    @classmethod
+    def update_submodules(cls, location: str) -> None:
+        if not os.path.exists(os.path.join(location, ".gitmodules")):
+            return
+        cls.run_command(
+            ["submodule", "update", "--init", "--recursive", "-q"],
+            cwd=location,
+        )
+
+    @classmethod
+    def get_repository_root(cls, location: str) -> Optional[str]:
+        loc = super().get_repository_root(location)
+        if loc:
+            return loc
+        try:
+            r = cls.run_command(
+                ["rev-parse", "--show-toplevel"],
+                cwd=location,
+                show_stdout=False,
+                stdout_only=True,
+                on_returncode="raise",
+                log_failed_cmd=False,
+            )
+        except BadCommand:
+            logger.debug(
+                "could not determine if %s is under git control "
+                "because git is not available",
+                location,
+            )
+            return None
+        except InstallationError:
+            return None
+        return os.path.normpath(r.rstrip("\r\n"))
+
+    @staticmethod
+    def should_add_vcs_url_prefix(repo_url: str) -> bool:
+        """In either https or ssh form, requirements must be prefixed with git+."""
+        return True
+
+
+vcs.register(Git)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/mercurial.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/mercurial.py
new file mode 100644
index 00000000..c183d41d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/mercurial.py
@@ -0,0 +1,163 @@
+import configparser
+import logging
+import os
+from typing import List, Optional, Tuple
+
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.utils.misc import HiddenText, display_path
+from pip._internal.utils.subprocess import make_command
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs.versioncontrol import (
+    RevOptions,
+    VersionControl,
+    find_path_to_project_root_from_repo_root,
+    vcs,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class Mercurial(VersionControl):
+    name = "hg"
+    dirname = ".hg"
+    repo_name = "clone"
+    schemes = (
+        "hg+file",
+        "hg+http",
+        "hg+https",
+        "hg+ssh",
+        "hg+static-http",
+    )
+
+    @staticmethod
+    def get_base_rev_args(rev: str) -> List[str]:
+        return [f"--rev={rev}"]
+
+    def fetch_new(
+        self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int
+    ) -> None:
+        rev_display = rev_options.to_display()
+        logger.info(
+            "Cloning hg %s%s to %s",
+            url,
+            rev_display,
+            display_path(dest),
+        )
+        if verbosity <= 0:
+            flags: Tuple[str, ...] = ("--quiet",)
+        elif verbosity == 1:
+            flags = ()
+        elif verbosity == 2:
+            flags = ("--verbose",)
+        else:
+            flags = ("--verbose", "--debug")
+        self.run_command(make_command("clone", "--noupdate", *flags, url, dest))
+        self.run_command(
+            make_command("update", *flags, rev_options.to_args()),
+            cwd=dest,
+        )
+
+    def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        repo_config = os.path.join(dest, self.dirname, "hgrc")
+        config = configparser.RawConfigParser()
+        try:
+            config.read(repo_config)
+            config.set("paths", "default", url.secret)
+            with open(repo_config, "w") as config_file:
+                config.write(config_file)
+        except (OSError, configparser.NoSectionError) as exc:
+            logger.warning("Could not switch Mercurial repository to %s: %s", url, exc)
+        else:
+            cmd_args = make_command("update", "-q", rev_options.to_args())
+            self.run_command(cmd_args, cwd=dest)
+
+    def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        self.run_command(["pull", "-q"], cwd=dest)
+        cmd_args = make_command("update", "-q", rev_options.to_args())
+        self.run_command(cmd_args, cwd=dest)
+
+    @classmethod
+    def get_remote_url(cls, location: str) -> str:
+        url = cls.run_command(
+            ["showconfig", "paths.default"],
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        ).strip()
+        if cls._is_local_repository(url):
+            url = path_to_url(url)
+        return url.strip()
+
+    @classmethod
+    def get_revision(cls, location: str) -> str:
+        """
+        Return the repository-local changeset revision number, as an integer.
+        """
+        current_revision = cls.run_command(
+            ["parents", "--template={rev}"],
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        ).strip()
+        return current_revision
+
+    @classmethod
+    def get_requirement_revision(cls, location: str) -> str:
+        """
+        Return the changeset identification hash, as a 40-character
+        hexadecimal string
+        """
+        current_rev_hash = cls.run_command(
+            ["parents", "--template={node}"],
+            show_stdout=False,
+            stdout_only=True,
+            cwd=location,
+        ).strip()
+        return current_rev_hash
+
+    @classmethod
+    def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool:
+        """Always assume the versions don't match"""
+        return False
+
+    @classmethod
+    def get_subdirectory(cls, location: str) -> Optional[str]:
+        """
+        Return the path to Python project root, relative to the repo root.
+        Return None if the project root is in the repo root.
+        """
+        # find the repo root
+        repo_root = cls.run_command(
+            ["root"], show_stdout=False, stdout_only=True, cwd=location
+        ).strip()
+        if not os.path.isabs(repo_root):
+            repo_root = os.path.abspath(os.path.join(location, repo_root))
+        return find_path_to_project_root_from_repo_root(location, repo_root)
+
+    @classmethod
+    def get_repository_root(cls, location: str) -> Optional[str]:
+        loc = super().get_repository_root(location)
+        if loc:
+            return loc
+        try:
+            r = cls.run_command(
+                ["root"],
+                cwd=location,
+                show_stdout=False,
+                stdout_only=True,
+                on_returncode="raise",
+                log_failed_cmd=False,
+            )
+        except BadCommand:
+            logger.debug(
+                "could not determine if %s is under hg control "
+                "because hg is not available",
+                location,
+            )
+            return None
+        except InstallationError:
+            return None
+        return os.path.normpath(r.rstrip("\r\n"))
+
+
+vcs.register(Mercurial)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/subversion.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/subversion.py
new file mode 100644
index 00000000..16d93a67
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/subversion.py
@@ -0,0 +1,324 @@
+import logging
+import os
+import re
+from typing import List, Optional, Tuple
+
+from pip._internal.utils.misc import (
+    HiddenText,
+    display_path,
+    is_console_interactive,
+    is_installable_dir,
+    split_auth_from_netloc,
+)
+from pip._internal.utils.subprocess import CommandArgs, make_command
+from pip._internal.vcs.versioncontrol import (
+    AuthInfo,
+    RemoteNotFoundError,
+    RevOptions,
+    VersionControl,
+    vcs,
+)
+
+logger = logging.getLogger(__name__)
+
+_svn_xml_url_re = re.compile('url="([^"]+)"')
+_svn_rev_re = re.compile(r'committed-rev="(\d+)"')
+_svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"')
+_svn_info_xml_url_re = re.compile(r"<url>(.*)</url>")
+
+
+class Subversion(VersionControl):
+    name = "svn"
+    dirname = ".svn"
+    repo_name = "checkout"
+    schemes = ("svn+ssh", "svn+http", "svn+https", "svn+svn", "svn+file")
+
+    @classmethod
+    def should_add_vcs_url_prefix(cls, remote_url: str) -> bool:
+        return True
+
+    @staticmethod
+    def get_base_rev_args(rev: str) -> List[str]:
+        return ["-r", rev]
+
+    @classmethod
+    def get_revision(cls, location: str) -> str:
+        """
+        Return the maximum revision for all files under a given location
+        """
+        # Note: taken from setuptools.command.egg_info
+        revision = 0
+
+        for base, dirs, _ in os.walk(location):
+            if cls.dirname not in dirs:
+                dirs[:] = []
+                continue  # no sense walking uncontrolled subdirs
+            dirs.remove(cls.dirname)
+            entries_fn = os.path.join(base, cls.dirname, "entries")
+            if not os.path.exists(entries_fn):
+                # FIXME: should we warn?
+                continue
+
+            dirurl, localrev = cls._get_svn_url_rev(base)
+
+            if base == location:
+                assert dirurl is not None
+                base = dirurl + "/"  # save the root url
+            elif not dirurl or not dirurl.startswith(base):
+                dirs[:] = []
+                continue  # not part of the same svn tree, skip it
+            revision = max(revision, localrev)
+        return str(revision)
+
+    @classmethod
+    def get_netloc_and_auth(
+        cls, netloc: str, scheme: str
+    ) -> Tuple[str, Tuple[Optional[str], Optional[str]]]:
+        """
+        This override allows the auth information to be passed to svn via the
+        --username and --password options instead of via the URL.
+        """
+        if scheme == "ssh":
+            # The --username and --password options can't be used for
+            # svn+ssh URLs, so keep the auth information in the URL.
+            return super().get_netloc_and_auth(netloc, scheme)
+
+        return split_auth_from_netloc(netloc)
+
+    @classmethod
+    def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]:
+        # hotfix the URL scheme after removing svn+ from svn+ssh:// re-add it
+        url, rev, user_pass = super().get_url_rev_and_auth(url)
+        if url.startswith("ssh://"):
+            url = "svn+" + url
+        return url, rev, user_pass
+
+    @staticmethod
+    def make_rev_args(
+        username: Optional[str], password: Optional[HiddenText]
+    ) -> CommandArgs:
+        extra_args: CommandArgs = []
+        if username:
+            extra_args += ["--username", username]
+        if password:
+            extra_args += ["--password", password]
+
+        return extra_args
+
+    @classmethod
+    def get_remote_url(cls, location: str) -> str:
+        # In cases where the source is in a subdirectory, we have to look up in
+        # the location until we find a valid project root.
+        orig_location = location
+        while not is_installable_dir(location):
+            last_location = location
+            location = os.path.dirname(location)
+            if location == last_location:
+                # We've traversed up to the root of the filesystem without
+                # finding a Python project.
+                logger.warning(
+                    "Could not find Python project for directory %s (tried all "
+                    "parent directories)",
+                    orig_location,
+                )
+                raise RemoteNotFoundError
+
+        url, _rev = cls._get_svn_url_rev(location)
+        if url is None:
+            raise RemoteNotFoundError
+
+        return url
+
+    @classmethod
+    def _get_svn_url_rev(cls, location: str) -> Tuple[Optional[str], int]:
+        from pip._internal.exceptions import InstallationError
+
+        entries_path = os.path.join(location, cls.dirname, "entries")
+        if os.path.exists(entries_path):
+            with open(entries_path) as f:
+                data = f.read()
+        else:  # subversion >= 1.7 does not have the 'entries' file
+            data = ""
+
+        url = None
+        if data.startswith("8") or data.startswith("9") or data.startswith("10"):
+            entries = list(map(str.splitlines, data.split("\n\x0c\n")))
+            del entries[0][0]  # get rid of the '8'
+            url = entries[0][3]
+            revs = [int(d[9]) for d in entries if len(d) > 9 and d[9]] + [0]
+        elif data.startswith("<?xml"):
+            match = _svn_xml_url_re.search(data)
+            if not match:
+                raise ValueError(f"Badly formatted data: {data!r}")
+            url = match.group(1)  # get repository URL
+            revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)] + [0]
+        else:
+            try:
+                # subversion >= 1.7
+                # Note that using get_remote_call_options is not necessary here
+                # because `svn info` is being run against a local directory.
+                # We don't need to worry about making sure interactive mode
+                # is being used to prompt for passwords, because passwords
+                # are only potentially needed for remote server requests.
+                xml = cls.run_command(
+                    ["info", "--xml", location],
+                    show_stdout=False,
+                    stdout_only=True,
+                )
+                match = _svn_info_xml_url_re.search(xml)
+                assert match is not None
+                url = match.group(1)
+                revs = [int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)]
+            except InstallationError:
+                url, revs = None, []
+
+        if revs:
+            rev = max(revs)
+        else:
+            rev = 0
+
+        return url, rev
+
+    @classmethod
+    def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool:
+        """Always assume the versions don't match"""
+        return False
+
+    def __init__(self, use_interactive: Optional[bool] = None) -> None:
+        if use_interactive is None:
+            use_interactive = is_console_interactive()
+        self.use_interactive = use_interactive
+
+        # This member is used to cache the fetched version of the current
+        # ``svn`` client.
+        # Special value definitions:
+        #   None: Not evaluated yet.
+        #   Empty tuple: Could not parse version.
+        self._vcs_version: Optional[Tuple[int, ...]] = None
+
+        super().__init__()
+
+    def call_vcs_version(self) -> Tuple[int, ...]:
+        """Query the version of the currently installed Subversion client.
+
+        :return: A tuple containing the parts of the version information or
+            ``()`` if the version returned from ``svn`` could not be parsed.
+        :raises: BadCommand: If ``svn`` is not installed.
+        """
+        # Example versions:
+        #   svn, version 1.10.3 (r1842928)
+        #      compiled Feb 25 2019, 14:20:39 on x86_64-apple-darwin17.0.0
+        #   svn, version 1.7.14 (r1542130)
+        #      compiled Mar 28 2018, 08:49:13 on x86_64-pc-linux-gnu
+        #   svn, version 1.12.0-SlikSvn (SlikSvn/1.12.0)
+        #      compiled May 28 2019, 13:44:56 on x86_64-microsoft-windows6.2
+        version_prefix = "svn, version "
+        version = self.run_command(["--version"], show_stdout=False, stdout_only=True)
+        if not version.startswith(version_prefix):
+            return ()
+
+        version = version[len(version_prefix) :].split()[0]
+        version_list = version.partition("-")[0].split(".")
+        try:
+            parsed_version = tuple(map(int, version_list))
+        except ValueError:
+            return ()
+
+        return parsed_version
+
+    def get_vcs_version(self) -> Tuple[int, ...]:
+        """Return the version of the currently installed Subversion client.
+
+        If the version of the Subversion client has already been queried,
+        a cached value will be used.
+
+        :return: A tuple containing the parts of the version information or
+            ``()`` if the version returned from ``svn`` could not be parsed.
+        :raises: BadCommand: If ``svn`` is not installed.
+        """
+        if self._vcs_version is not None:
+            # Use cached version, if available.
+            # If parsing the version failed previously (empty tuple),
+            # do not attempt to parse it again.
+            return self._vcs_version
+
+        vcs_version = self.call_vcs_version()
+        self._vcs_version = vcs_version
+        return vcs_version
+
+    def get_remote_call_options(self) -> CommandArgs:
+        """Return options to be used on calls to Subversion that contact the server.
+
+        These options are applicable for the following ``svn`` subcommands used
+        in this class.
+
+            - checkout
+            - switch
+            - update
+
+        :return: A list of command line arguments to pass to ``svn``.
+        """
+        if not self.use_interactive:
+            # --non-interactive switch is available since Subversion 0.14.4.
+            # Subversion < 1.8 runs in interactive mode by default.
+            return ["--non-interactive"]
+
+        svn_version = self.get_vcs_version()
+        # By default, Subversion >= 1.8 runs in non-interactive mode if
+        # stdin is not a TTY. Since that is how pip invokes SVN, in
+        # call_subprocess(), pip must pass --force-interactive to ensure
+        # the user can be prompted for a password, if required.
+        #   SVN added the --force-interactive option in SVN 1.8. Since
+        # e.g. RHEL/CentOS 7, which is supported until 2024, ships with
+        # SVN 1.7, pip should continue to support SVN 1.7. Therefore, pip
+        # can't safely add the option if the SVN version is < 1.8 (or unknown).
+        if svn_version >= (1, 8):
+            return ["--force-interactive"]
+
+        return []
+
+    def fetch_new(
+        self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int
+    ) -> None:
+        rev_display = rev_options.to_display()
+        logger.info(
+            "Checking out %s%s to %s",
+            url,
+            rev_display,
+            display_path(dest),
+        )
+        if verbosity <= 0:
+            flag = "--quiet"
+        else:
+            flag = ""
+        cmd_args = make_command(
+            "checkout",
+            flag,
+            self.get_remote_call_options(),
+            rev_options.to_args(),
+            url,
+            dest,
+        )
+        self.run_command(cmd_args)
+
+    def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        cmd_args = make_command(
+            "switch",
+            self.get_remote_call_options(),
+            rev_options.to_args(),
+            url,
+            dest,
+        )
+        self.run_command(cmd_args)
+
+    def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        cmd_args = make_command(
+            "update",
+            self.get_remote_call_options(),
+            rev_options.to_args(),
+            dest,
+        )
+        self.run_command(cmd_args)
+
+
+vcs.register(Subversion)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/versioncontrol.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/versioncontrol.py
new file mode 100644
index 00000000..46ca2799
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/vcs/versioncontrol.py
@@ -0,0 +1,705 @@
+"""Handles all VCS (version control) support"""
+
+import logging
+import os
+import shutil
+import sys
+import urllib.parse
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Mapping,
+    Optional,
+    Tuple,
+    Type,
+    Union,
+)
+
+from pip._internal.cli.spinners import SpinnerInterface
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.utils.misc import (
+    HiddenText,
+    ask_path_exists,
+    backup_dir,
+    display_path,
+    hide_url,
+    hide_value,
+    is_installable_dir,
+    rmtree,
+)
+from pip._internal.utils.subprocess import (
+    CommandArgs,
+    call_subprocess,
+    format_command_args,
+    make_command,
+)
+from pip._internal.utils.urls import get_url_scheme
+
+if TYPE_CHECKING:
+    # Literal was introduced in Python 3.8.
+    #
+    # TODO: Remove `if TYPE_CHECKING` when dropping support for Python 3.7.
+    from typing import Literal
+
+
+__all__ = ["vcs"]
+
+
+logger = logging.getLogger(__name__)
+
+AuthInfo = Tuple[Optional[str], Optional[str]]
+
+
+def is_url(name: str) -> bool:
+    """
+    Return true if the name looks like a URL.
+    """
+    scheme = get_url_scheme(name)
+    if scheme is None:
+        return False
+    return scheme in ["http", "https", "file", "ftp"] + vcs.all_schemes
+
+
+def make_vcs_requirement_url(
+    repo_url: str, rev: str, project_name: str, subdir: Optional[str] = None
+) -> str:
+    """
+    Return the URL for a VCS requirement.
+
+    Args:
+      repo_url: the remote VCS url, with any needed VCS prefix (e.g. "git+").
+      project_name: the (unescaped) project name.
+    """
+    egg_project_name = project_name.replace("-", "_")
+    req = f"{repo_url}@{rev}#egg={egg_project_name}"
+    if subdir:
+        req += f"&subdirectory={subdir}"
+
+    return req
+
+
+def find_path_to_project_root_from_repo_root(
+    location: str, repo_root: str
+) -> Optional[str]:
+    """
+    Find the the Python project's root by searching up the filesystem from
+    `location`. Return the path to project root relative to `repo_root`.
+    Return None if the project root is `repo_root`, or cannot be found.
+    """
+    # find project root.
+    orig_location = location
+    while not is_installable_dir(location):
+        last_location = location
+        location = os.path.dirname(location)
+        if location == last_location:
+            # We've traversed up to the root of the filesystem without
+            # finding a Python project.
+            logger.warning(
+                "Could not find a Python project for directory %s (tried all "
+                "parent directories)",
+                orig_location,
+            )
+            return None
+
+    if os.path.samefile(repo_root, location):
+        return None
+
+    return os.path.relpath(location, repo_root)
+
+
+class RemoteNotFoundError(Exception):
+    pass
+
+
+class RemoteNotValidError(Exception):
+    def __init__(self, url: str):
+        super().__init__(url)
+        self.url = url
+
+
+class RevOptions:
+
+    """
+    Encapsulates a VCS-specific revision to install, along with any VCS
+    install options.
+
+    Instances of this class should be treated as if immutable.
+    """
+
+    def __init__(
+        self,
+        vc_class: Type["VersionControl"],
+        rev: Optional[str] = None,
+        extra_args: Optional[CommandArgs] = None,
+    ) -> None:
+        """
+        Args:
+          vc_class: a VersionControl subclass.
+          rev: the name of the revision to install.
+          extra_args: a list of extra options.
+        """
+        if extra_args is None:
+            extra_args = []
+
+        self.extra_args = extra_args
+        self.rev = rev
+        self.vc_class = vc_class
+        self.branch_name: Optional[str] = None
+
+    def __repr__(self) -> str:
+        return f"<RevOptions {self.vc_class.name}: rev={self.rev!r}>"
+
+    @property
+    def arg_rev(self) -> Optional[str]:
+        if self.rev is None:
+            return self.vc_class.default_arg_rev
+
+        return self.rev
+
+    def to_args(self) -> CommandArgs:
+        """
+        Return the VCS-specific command arguments.
+        """
+        args: CommandArgs = []
+        rev = self.arg_rev
+        if rev is not None:
+            args += self.vc_class.get_base_rev_args(rev)
+        args += self.extra_args
+
+        return args
+
+    def to_display(self) -> str:
+        if not self.rev:
+            return ""
+
+        return f" (to revision {self.rev})"
+
+    def make_new(self, rev: str) -> "RevOptions":
+        """
+        Make a copy of the current instance, but with a new rev.
+
+        Args:
+          rev: the name of the revision for the new object.
+        """
+        return self.vc_class.make_rev_options(rev, extra_args=self.extra_args)
+
+
+class VcsSupport:
+    _registry: Dict[str, "VersionControl"] = {}
+    schemes = ["ssh", "git", "hg", "bzr", "sftp", "svn"]
+
+    def __init__(self) -> None:
+        # Register more schemes with urlparse for various version control
+        # systems
+        urllib.parse.uses_netloc.extend(self.schemes)
+        super().__init__()
+
+    def __iter__(self) -> Iterator[str]:
+        return self._registry.__iter__()
+
+    @property
+    def backends(self) -> List["VersionControl"]:
+        return list(self._registry.values())
+
+    @property
+    def dirnames(self) -> List[str]:
+        return [backend.dirname for backend in self.backends]
+
+    @property
+    def all_schemes(self) -> List[str]:
+        schemes: List[str] = []
+        for backend in self.backends:
+            schemes.extend(backend.schemes)
+        return schemes
+
+    def register(self, cls: Type["VersionControl"]) -> None:
+        if not hasattr(cls, "name"):
+            logger.warning("Cannot register VCS %s", cls.__name__)
+            return
+        if cls.name not in self._registry:
+            self._registry[cls.name] = cls()
+            logger.debug("Registered VCS backend: %s", cls.name)
+
+    def unregister(self, name: str) -> None:
+        if name in self._registry:
+            del self._registry[name]
+
+    def get_backend_for_dir(self, location: str) -> Optional["VersionControl"]:
+        """
+        Return a VersionControl object if a repository of that type is found
+        at the given directory.
+        """
+        vcs_backends = {}
+        for vcs_backend in self._registry.values():
+            repo_path = vcs_backend.get_repository_root(location)
+            if not repo_path:
+                continue
+            logger.debug("Determine that %s uses VCS: %s", location, vcs_backend.name)
+            vcs_backends[repo_path] = vcs_backend
+
+        if not vcs_backends:
+            return None
+
+        # Choose the VCS in the inner-most directory. Since all repository
+        # roots found here would be either `location` or one of its
+        # parents, the longest path should have the most path components,
+        # i.e. the backend representing the inner-most repository.
+        inner_most_repo_path = max(vcs_backends, key=len)
+        return vcs_backends[inner_most_repo_path]
+
+    def get_backend_for_scheme(self, scheme: str) -> Optional["VersionControl"]:
+        """
+        Return a VersionControl object or None.
+        """
+        for vcs_backend in self._registry.values():
+            if scheme in vcs_backend.schemes:
+                return vcs_backend
+        return None
+
+    def get_backend(self, name: str) -> Optional["VersionControl"]:
+        """
+        Return a VersionControl object or None.
+        """
+        name = name.lower()
+        return self._registry.get(name)
+
+
+vcs = VcsSupport()
+
+
+class VersionControl:
+    name = ""
+    dirname = ""
+    repo_name = ""
+    # List of supported schemes for this Version Control
+    schemes: Tuple[str, ...] = ()
+    # Iterable of environment variable names to pass to call_subprocess().
+    unset_environ: Tuple[str, ...] = ()
+    default_arg_rev: Optional[str] = None
+
+    @classmethod
+    def should_add_vcs_url_prefix(cls, remote_url: str) -> bool:
+        """
+        Return whether the vcs prefix (e.g. "git+") should be added to a
+        repository's remote url when used in a requirement.
+        """
+        return not remote_url.lower().startswith(f"{cls.name}:")
+
+    @classmethod
+    def get_subdirectory(cls, location: str) -> Optional[str]:
+        """
+        Return the path to Python project root, relative to the repo root.
+        Return None if the project root is in the repo root.
+        """
+        return None
+
+    @classmethod
+    def get_requirement_revision(cls, repo_dir: str) -> str:
+        """
+        Return the revision string that should be used in a requirement.
+        """
+        return cls.get_revision(repo_dir)
+
+    @classmethod
+    def get_src_requirement(cls, repo_dir: str, project_name: str) -> str:
+        """
+        Return the requirement string to use to redownload the files
+        currently at the given repository directory.
+
+        Args:
+          project_name: the (unescaped) project name.
+
+        The return value has a form similar to the following:
+
+            {repository_url}@{revision}#egg={project_name}
+        """
+        repo_url = cls.get_remote_url(repo_dir)
+
+        if cls.should_add_vcs_url_prefix(repo_url):
+            repo_url = f"{cls.name}+{repo_url}"
+
+        revision = cls.get_requirement_revision(repo_dir)
+        subdir = cls.get_subdirectory(repo_dir)
+        req = make_vcs_requirement_url(repo_url, revision, project_name, subdir=subdir)
+
+        return req
+
+    @staticmethod
+    def get_base_rev_args(rev: str) -> List[str]:
+        """
+        Return the base revision arguments for a vcs command.
+
+        Args:
+          rev: the name of a revision to install.  Cannot be None.
+        """
+        raise NotImplementedError
+
+    def is_immutable_rev_checkout(self, url: str, dest: str) -> bool:
+        """
+        Return true if the commit hash checked out at dest matches
+        the revision in url.
+
+        Always return False, if the VCS does not support immutable commit
+        hashes.
+
+        This method does not check if there are local uncommitted changes
+        in dest after checkout, as pip currently has no use case for that.
+        """
+        return False
+
+    @classmethod
+    def make_rev_options(
+        cls, rev: Optional[str] = None, extra_args: Optional[CommandArgs] = None
+    ) -> RevOptions:
+        """
+        Return a RevOptions object.
+
+        Args:
+          rev: the name of a revision to install.
+          extra_args: a list of extra options.
+        """
+        return RevOptions(cls, rev, extra_args=extra_args)
+
+    @classmethod
+    def _is_local_repository(cls, repo: str) -> bool:
+        """
+        posix absolute paths start with os.path.sep,
+        win32 ones start with drive (like c:\\folder)
+        """
+        drive, tail = os.path.splitdrive(repo)
+        return repo.startswith(os.path.sep) or bool(drive)
+
+    @classmethod
+    def get_netloc_and_auth(
+        cls, netloc: str, scheme: str
+    ) -> Tuple[str, Tuple[Optional[str], Optional[str]]]:
+        """
+        Parse the repository URL's netloc, and return the new netloc to use
+        along with auth information.
+
+        Args:
+          netloc: the original repository URL netloc.
+          scheme: the repository URL's scheme without the vcs prefix.
+
+        This is mainly for the Subversion class to override, so that auth
+        information can be provided via the --username and --password options
+        instead of through the URL.  For other subclasses like Git without
+        such an option, auth information must stay in the URL.
+
+        Returns: (netloc, (username, password)).
+        """
+        return netloc, (None, None)
+
+    @classmethod
+    def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]:
+        """
+        Parse the repository URL to use, and return the URL, revision,
+        and auth info to use.
+
+        Returns: (url, rev, (username, password)).
+        """
+        scheme, netloc, path, query, frag = urllib.parse.urlsplit(url)
+        if "+" not in scheme:
+            raise ValueError(
+                f"Sorry, {url!r} is a malformed VCS url. "
+                "The format is <vcs>+<protocol>://<url>, "
+                "e.g. svn+http://myrepo/svn/MyApp#egg=MyApp"
+            )
+        # Remove the vcs prefix.
+        scheme = scheme.split("+", 1)[1]
+        netloc, user_pass = cls.get_netloc_and_auth(netloc, scheme)
+        rev = None
+        if "@" in path:
+            path, rev = path.rsplit("@", 1)
+            if not rev:
+                raise InstallationError(
+                    f"The URL {url!r} has an empty revision (after @) "
+                    "which is not supported. Include a revision after @ "
+                    "or remove @ from the URL."
+                )
+        url = urllib.parse.urlunsplit((scheme, netloc, path, query, ""))
+        return url, rev, user_pass
+
+    @staticmethod
+    def make_rev_args(
+        username: Optional[str], password: Optional[HiddenText]
+    ) -> CommandArgs:
+        """
+        Return the RevOptions "extra arguments" to use in obtain().
+        """
+        return []
+
+    def get_url_rev_options(self, url: HiddenText) -> Tuple[HiddenText, RevOptions]:
+        """
+        Return the URL and RevOptions object to use in obtain(),
+        as a tuple (url, rev_options).
+        """
+        secret_url, rev, user_pass = self.get_url_rev_and_auth(url.secret)
+        username, secret_password = user_pass
+        password: Optional[HiddenText] = None
+        if secret_password is not None:
+            password = hide_value(secret_password)
+        extra_args = self.make_rev_args(username, password)
+        rev_options = self.make_rev_options(rev, extra_args=extra_args)
+
+        return hide_url(secret_url), rev_options
+
+    @staticmethod
+    def normalize_url(url: str) -> str:
+        """
+        Normalize a URL for comparison by unquoting it and removing any
+        trailing slash.
+        """
+        return urllib.parse.unquote(url).rstrip("/")
+
+    @classmethod
+    def compare_urls(cls, url1: str, url2: str) -> bool:
+        """
+        Compare two repo URLs for identity, ignoring incidental differences.
+        """
+        return cls.normalize_url(url1) == cls.normalize_url(url2)
+
+    def fetch_new(
+        self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int
+    ) -> None:
+        """
+        Fetch a revision from a repository, in the case that this is the
+        first fetch from the repository.
+
+        Args:
+          dest: the directory to fetch the repository to.
+          rev_options: a RevOptions object.
+          verbosity: verbosity level.
+        """
+        raise NotImplementedError
+
+    def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        """
+        Switch the repo at ``dest`` to point to ``URL``.
+
+        Args:
+          rev_options: a RevOptions object.
+        """
+        raise NotImplementedError
+
+    def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
+        """
+        Update an already-existing repo to the given ``rev_options``.
+
+        Args:
+          rev_options: a RevOptions object.
+        """
+        raise NotImplementedError
+
+    @classmethod
+    def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool:
+        """
+        Return whether the id of the current commit equals the given name.
+
+        Args:
+          dest: the repository directory.
+          name: a string name.
+        """
+        raise NotImplementedError
+
+    def obtain(self, dest: str, url: HiddenText, verbosity: int) -> None:
+        """
+        Install or update in editable mode the package represented by this
+        VersionControl object.
+
+        :param dest: the repository directory in which to install or update.
+        :param url: the repository URL starting with a vcs prefix.
+        :param verbosity: verbosity level.
+        """
+        url, rev_options = self.get_url_rev_options(url)
+
+        if not os.path.exists(dest):
+            self.fetch_new(dest, url, rev_options, verbosity=verbosity)
+            return
+
+        rev_display = rev_options.to_display()
+        if self.is_repository_directory(dest):
+            existing_url = self.get_remote_url(dest)
+            if self.compare_urls(existing_url, url.secret):
+                logger.debug(
+                    "%s in %s exists, and has correct URL (%s)",
+                    self.repo_name.title(),
+                    display_path(dest),
+                    url,
+                )
+                if not self.is_commit_id_equal(dest, rev_options.rev):
+                    logger.info(
+                        "Updating %s %s%s",
+                        display_path(dest),
+                        self.repo_name,
+                        rev_display,
+                    )
+                    self.update(dest, url, rev_options)
+                else:
+                    logger.info("Skipping because already up-to-date.")
+                return
+
+            logger.warning(
+                "%s %s in %s exists with URL %s",
+                self.name,
+                self.repo_name,
+                display_path(dest),
+                existing_url,
+            )
+            prompt = ("(s)witch, (i)gnore, (w)ipe, (b)ackup ", ("s", "i", "w", "b"))
+        else:
+            logger.warning(
+                "Directory %s already exists, and is not a %s %s.",
+                dest,
+                self.name,
+                self.repo_name,
+            )
+            # https://github.com/python/mypy/issues/1174
+            prompt = ("(i)gnore, (w)ipe, (b)ackup ", ("i", "w", "b"))  # type: ignore
+
+        logger.warning(
+            "The plan is to install the %s repository %s",
+            self.name,
+            url,
+        )
+        response = ask_path_exists(f"What to do?  {prompt[0]}", prompt[1])
+
+        if response == "a":
+            sys.exit(-1)
+
+        if response == "w":
+            logger.warning("Deleting %s", display_path(dest))
+            rmtree(dest)
+            self.fetch_new(dest, url, rev_options, verbosity=verbosity)
+            return
+
+        if response == "b":
+            dest_dir = backup_dir(dest)
+            logger.warning("Backing up %s to %s", display_path(dest), dest_dir)
+            shutil.move(dest, dest_dir)
+            self.fetch_new(dest, url, rev_options, verbosity=verbosity)
+            return
+
+        # Do nothing if the response is "i".
+        if response == "s":
+            logger.info(
+                "Switching %s %s to %s%s",
+                self.repo_name,
+                display_path(dest),
+                url,
+                rev_display,
+            )
+            self.switch(dest, url, rev_options)
+
+    def unpack(self, location: str, url: HiddenText, verbosity: int) -> None:
+        """
+        Clean up current location and download the url repository
+        (and vcs infos) into location
+
+        :param url: the repository URL starting with a vcs prefix.
+        :param verbosity: verbosity level.
+        """
+        if os.path.exists(location):
+            rmtree(location)
+        self.obtain(location, url=url, verbosity=verbosity)
+
+    @classmethod
+    def get_remote_url(cls, location: str) -> str:
+        """
+        Return the url used at location
+
+        Raises RemoteNotFoundError if the repository does not have a remote
+        url configured.
+        """
+        raise NotImplementedError
+
+    @classmethod
+    def get_revision(cls, location: str) -> str:
+        """
+        Return the current commit id of the files at the given location.
+        """
+        raise NotImplementedError
+
+    @classmethod
+    def run_command(
+        cls,
+        cmd: Union[List[str], CommandArgs],
+        show_stdout: bool = True,
+        cwd: Optional[str] = None,
+        on_returncode: 'Literal["raise", "warn", "ignore"]' = "raise",
+        extra_ok_returncodes: Optional[Iterable[int]] = None,
+        command_desc: Optional[str] = None,
+        extra_environ: Optional[Mapping[str, Any]] = None,
+        spinner: Optional[SpinnerInterface] = None,
+        log_failed_cmd: bool = True,
+        stdout_only: bool = False,
+    ) -> str:
+        """
+        Run a VCS subcommand
+        This is simply a wrapper around call_subprocess that adds the VCS
+        command name, and checks that the VCS is available
+        """
+        cmd = make_command(cls.name, *cmd)
+        if command_desc is None:
+            command_desc = format_command_args(cmd)
+        try:
+            return call_subprocess(
+                cmd,
+                show_stdout,
+                cwd,
+                on_returncode=on_returncode,
+                extra_ok_returncodes=extra_ok_returncodes,
+                command_desc=command_desc,
+                extra_environ=extra_environ,
+                unset_environ=cls.unset_environ,
+                spinner=spinner,
+                log_failed_cmd=log_failed_cmd,
+                stdout_only=stdout_only,
+            )
+        except FileNotFoundError:
+            # errno.ENOENT = no such file or directory
+            # In other words, the VCS executable isn't available
+            raise BadCommand(
+                f"Cannot find command {cls.name!r} - do you have "
+                f"{cls.name!r} installed and in your PATH?"
+            )
+        except PermissionError:
+            # errno.EACCES = Permission denied
+            # This error occurs, for instance, when the command is installed
+            # only for another user. So, the current user don't have
+            # permission to call the other user command.
+            raise BadCommand(
+                f"No permission to execute {cls.name!r} - install it "
+                f"locally, globally (ask admin), or check your PATH. "
+                f"See possible solutions at "
+                f"https://pip.pypa.io/en/latest/reference/pip_freeze/"
+                f"#fixing-permission-denied."
+            )
+
+    @classmethod
+    def is_repository_directory(cls, path: str) -> bool:
+        """
+        Return whether a directory path is a repository directory.
+        """
+        logger.debug("Checking in %s for %s (%s)...", path, cls.dirname, cls.name)
+        return os.path.exists(os.path.join(path, cls.dirname))
+
+    @classmethod
+    def get_repository_root(cls, location: str) -> Optional[str]:
+        """
+        Return the "root" (top-level) directory controlled by the vcs,
+        or `None` if the directory is not in any.
+
+        It is meant to be overridden to implement smarter detection
+        mechanisms for specific vcs.
+
+        This can do more than is_repository_directory() alone. For
+        example, the Git override checks that Git is actually available.
+        """
+        if cls.is_repository_directory(location):
+            return location
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/wheel_builder.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/wheel_builder.py
new file mode 100644
index 00000000..b1debe34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_internal/wheel_builder.py
@@ -0,0 +1,354 @@
+"""Orchestrator for building wheels from InstallRequirements.
+"""
+
+import logging
+import os.path
+import re
+import shutil
+from typing import Iterable, List, Optional, Tuple
+
+from pip._vendor.packaging.utils import canonicalize_name, canonicalize_version
+from pip._vendor.packaging.version import InvalidVersion, Version
+
+from pip._internal.cache import WheelCache
+from pip._internal.exceptions import InvalidWheelFilename, UnsupportedWheel
+from pip._internal.metadata import FilesystemWheel, get_wheel_distribution
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.operations.build.wheel import build_wheel_pep517
+from pip._internal.operations.build.wheel_editable import build_wheel_editable
+from pip._internal.operations.build.wheel_legacy import build_wheel_legacy
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import ensure_dir, hash_file
+from pip._internal.utils.setuptools_build import make_setuptools_clean_args
+from pip._internal.utils.subprocess import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs import vcs
+
+logger = logging.getLogger(__name__)
+
+_egg_info_re = re.compile(r"([a-z0-9_.]+)-([a-z0-9_.!+-]+)", re.IGNORECASE)
+
+BuildResult = Tuple[List[InstallRequirement], List[InstallRequirement]]
+
+
+def _contains_egg_info(s: str) -> bool:
+    """Determine whether the string looks like an egg_info.
+
+    :param s: The string to parse. E.g. foo-2.1
+    """
+    return bool(_egg_info_re.search(s))
+
+
+def _should_build(
+    req: InstallRequirement,
+    need_wheel: bool,
+) -> bool:
+    """Return whether an InstallRequirement should be built into a wheel."""
+    if req.constraint:
+        # never build requirements that are merely constraints
+        return False
+    if req.is_wheel:
+        if need_wheel:
+            logger.info(
+                "Skipping %s, due to already being wheel.",
+                req.name,
+            )
+        return False
+
+    if need_wheel:
+        # i.e. pip wheel, not pip install
+        return True
+
+    # From this point, this concerns the pip install command only
+    # (need_wheel=False).
+
+    if not req.source_dir:
+        return False
+
+    if req.editable:
+        # we only build PEP 660 editable requirements
+        return req.supports_pyproject_editable()
+
+    return True
+
+
+def should_build_for_wheel_command(
+    req: InstallRequirement,
+) -> bool:
+    return _should_build(req, need_wheel=True)
+
+
+def should_build_for_install_command(
+    req: InstallRequirement,
+) -> bool:
+    return _should_build(req, need_wheel=False)
+
+
+def _should_cache(
+    req: InstallRequirement,
+) -> Optional[bool]:
+    """
+    Return whether a built InstallRequirement can be stored in the persistent
+    wheel cache, assuming the wheel cache is available, and _should_build()
+    has determined a wheel needs to be built.
+    """
+    if req.editable or not req.source_dir:
+        # never cache editable requirements
+        return False
+
+    if req.link and req.link.is_vcs:
+        # VCS checkout. Do not cache
+        # unless it points to an immutable commit hash.
+        assert not req.editable
+        assert req.source_dir
+        vcs_backend = vcs.get_backend_for_scheme(req.link.scheme)
+        assert vcs_backend
+        if vcs_backend.is_immutable_rev_checkout(req.link.url, req.source_dir):
+            return True
+        return False
+
+    assert req.link
+    base, ext = req.link.splitext()
+    if _contains_egg_info(base):
+        return True
+
+    # Otherwise, do not cache.
+    return False
+
+
+def _get_cache_dir(
+    req: InstallRequirement,
+    wheel_cache: WheelCache,
+) -> str:
+    """Return the persistent or temporary cache directory where the built
+    wheel need to be stored.
+    """
+    cache_available = bool(wheel_cache.cache_dir)
+    assert req.link
+    if cache_available and _should_cache(req):
+        cache_dir = wheel_cache.get_path_for_link(req.link)
+    else:
+        cache_dir = wheel_cache.get_ephem_path_for_link(req.link)
+    return cache_dir
+
+
+def _verify_one(req: InstallRequirement, wheel_path: str) -> None:
+    canonical_name = canonicalize_name(req.name or "")
+    w = Wheel(os.path.basename(wheel_path))
+    if canonicalize_name(w.name) != canonical_name:
+        raise InvalidWheelFilename(
+            f"Wheel has unexpected file name: expected {canonical_name!r}, "
+            f"got {w.name!r}",
+        )
+    dist = get_wheel_distribution(FilesystemWheel(wheel_path), canonical_name)
+    dist_verstr = str(dist.version)
+    if canonicalize_version(dist_verstr) != canonicalize_version(w.version):
+        raise InvalidWheelFilename(
+            f"Wheel has unexpected file name: expected {dist_verstr!r}, "
+            f"got {w.version!r}",
+        )
+    metadata_version_value = dist.metadata_version
+    if metadata_version_value is None:
+        raise UnsupportedWheel("Missing Metadata-Version")
+    try:
+        metadata_version = Version(metadata_version_value)
+    except InvalidVersion:
+        msg = f"Invalid Metadata-Version: {metadata_version_value}"
+        raise UnsupportedWheel(msg)
+    if metadata_version >= Version("1.2") and not isinstance(dist.version, Version):
+        raise UnsupportedWheel(
+            f"Metadata 1.2 mandates PEP 440 version, but {dist_verstr!r} is not"
+        )
+
+
+def _build_one(
+    req: InstallRequirement,
+    output_dir: str,
+    verify: bool,
+    build_options: List[str],
+    global_options: List[str],
+    editable: bool,
+) -> Optional[str]:
+    """Build one wheel.
+
+    :return: The filename of the built wheel, or None if the build failed.
+    """
+    artifact = "editable" if editable else "wheel"
+    try:
+        ensure_dir(output_dir)
+    except OSError as e:
+        logger.warning(
+            "Building %s for %s failed: %s",
+            artifact,
+            req.name,
+            e,
+        )
+        return None
+
+    # Install build deps into temporary directory (PEP 518)
+    with req.build_env:
+        wheel_path = _build_one_inside_env(
+            req, output_dir, build_options, global_options, editable
+        )
+    if wheel_path and verify:
+        try:
+            _verify_one(req, wheel_path)
+        except (InvalidWheelFilename, UnsupportedWheel) as e:
+            logger.warning("Built %s for %s is invalid: %s", artifact, req.name, e)
+            return None
+    return wheel_path
+
+
+def _build_one_inside_env(
+    req: InstallRequirement,
+    output_dir: str,
+    build_options: List[str],
+    global_options: List[str],
+    editable: bool,
+) -> Optional[str]:
+    with TempDirectory(kind="wheel") as temp_dir:
+        assert req.name
+        if req.use_pep517:
+            assert req.metadata_directory
+            assert req.pep517_backend
+            if global_options:
+                logger.warning(
+                    "Ignoring --global-option when building %s using PEP 517", req.name
+                )
+            if build_options:
+                logger.warning(
+                    "Ignoring --build-option when building %s using PEP 517", req.name
+                )
+            if editable:
+                wheel_path = build_wheel_editable(
+                    name=req.name,
+                    backend=req.pep517_backend,
+                    metadata_directory=req.metadata_directory,
+                    tempd=temp_dir.path,
+                )
+            else:
+                wheel_path = build_wheel_pep517(
+                    name=req.name,
+                    backend=req.pep517_backend,
+                    metadata_directory=req.metadata_directory,
+                    tempd=temp_dir.path,
+                )
+        else:
+            wheel_path = build_wheel_legacy(
+                name=req.name,
+                setup_py_path=req.setup_py_path,
+                source_dir=req.unpacked_source_directory,
+                global_options=global_options,
+                build_options=build_options,
+                tempd=temp_dir.path,
+            )
+
+        if wheel_path is not None:
+            wheel_name = os.path.basename(wheel_path)
+            dest_path = os.path.join(output_dir, wheel_name)
+            try:
+                wheel_hash, length = hash_file(wheel_path)
+                shutil.move(wheel_path, dest_path)
+                logger.info(
+                    "Created wheel for %s: filename=%s size=%d sha256=%s",
+                    req.name,
+                    wheel_name,
+                    length,
+                    wheel_hash.hexdigest(),
+                )
+                logger.info("Stored in directory: %s", output_dir)
+                return dest_path
+            except Exception as e:
+                logger.warning(
+                    "Building wheel for %s failed: %s",
+                    req.name,
+                    e,
+                )
+        # Ignore return, we can't do anything else useful.
+        if not req.use_pep517:
+            _clean_one_legacy(req, global_options)
+        return None
+
+
+def _clean_one_legacy(req: InstallRequirement, global_options: List[str]) -> bool:
+    clean_args = make_setuptools_clean_args(
+        req.setup_py_path,
+        global_options=global_options,
+    )
+
+    logger.info("Running setup.py clean for %s", req.name)
+    try:
+        call_subprocess(
+            clean_args, command_desc="python setup.py clean", cwd=req.source_dir
+        )
+        return True
+    except Exception:
+        logger.error("Failed cleaning build dir for %s", req.name)
+        return False
+
+
+def build(
+    requirements: Iterable[InstallRequirement],
+    wheel_cache: WheelCache,
+    verify: bool,
+    build_options: List[str],
+    global_options: List[str],
+) -> BuildResult:
+    """Build wheels.
+
+    :return: The list of InstallRequirement that succeeded to build and
+        the list of InstallRequirement that failed to build.
+    """
+    if not requirements:
+        return [], []
+
+    # Build the wheels.
+    logger.info(
+        "Building wheels for collected packages: %s",
+        ", ".join(req.name for req in requirements),  # type: ignore
+    )
+
+    with indent_log():
+        build_successes, build_failures = [], []
+        for req in requirements:
+            assert req.name
+            cache_dir = _get_cache_dir(req, wheel_cache)
+            wheel_file = _build_one(
+                req,
+                cache_dir,
+                verify,
+                build_options,
+                global_options,
+                req.editable and req.permit_editable_wheels,
+            )
+            if wheel_file:
+                # Record the download origin in the cache
+                if req.download_info is not None:
+                    # download_info is guaranteed to be set because when we build an
+                    # InstallRequirement it has been through the preparer before, but
+                    # let's be cautious.
+                    wheel_cache.record_download_origin(cache_dir, req.download_info)
+                # Update the link for this.
+                req.link = Link(path_to_url(wheel_file))
+                req.local_file_path = req.link.file_path
+                assert req.link.is_wheel
+                build_successes.append(req)
+            else:
+                build_failures.append(req)
+
+    # notify success/failure
+    if build_successes:
+        logger.info(
+            "Successfully built %s",
+            " ".join([req.name for req in build_successes]),  # type: ignore
+        )
+    if build_failures:
+        logger.info(
+            "Failed to build %s",
+            " ".join([req.name for req in build_failures]),  # type: ignore
+        )
+    # Return a list of requirements that failed to build
+    return build_successes, build_failures
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/__init__.py
new file mode 100644
index 00000000..c1884baf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/__init__.py
@@ -0,0 +1,121 @@
+"""
+pip._vendor is for vendoring dependencies of pip to prevent needing pip to
+depend on something external.
+
+Files inside of pip._vendor should be considered immutable and should only be
+updated to versions from upstream.
+"""
+from __future__ import absolute_import
+
+import glob
+import os.path
+import sys
+
+# Downstream redistributors which have debundled our dependencies should also
+# patch this value to be true. This will trigger the additional patching
+# to cause things like "six" to be available as pip.
+DEBUNDLED = False
+
+# By default, look in this directory for a bunch of .whl files which we will
+# add to the beginning of sys.path before attempting to import anything. This
+# is done to support downstream re-distributors like Debian and Fedora who
+# wish to create their own Wheels for our dependencies to aid in debundling.
+WHEEL_DIR = os.path.abspath(os.path.dirname(__file__))
+
+
+# Define a small helper function to alias our vendored modules to the real ones
+# if the vendored ones do not exist. This idea of this was taken from
+# https://github.com/kennethreitz/requests/pull/2567.
+def vendored(modulename):
+    vendored_name = "{0}.{1}".format(__name__, modulename)
+
+    try:
+        __import__(modulename, globals(), locals(), level=0)
+    except ImportError:
+        # We can just silently allow import failures to pass here. If we
+        # got to this point it means that ``import pip._vendor.whatever``
+        # failed and so did ``import whatever``. Since we're importing this
+        # upfront in an attempt to alias imports, not erroring here will
+        # just mean we get a regular import error whenever pip *actually*
+        # tries to import one of these modules to use it, which actually
+        # gives us a better error message than we would have otherwise
+        # gotten.
+        pass
+    else:
+        sys.modules[vendored_name] = sys.modules[modulename]
+        base, head = vendored_name.rsplit(".", 1)
+        setattr(sys.modules[base], head, sys.modules[modulename])
+
+
+# If we're operating in a debundled setup, then we want to go ahead and trigger
+# the aliasing of our vendored libraries as well as looking for wheels to add
+# to our sys.path. This will cause all of this code to be a no-op typically
+# however downstream redistributors can enable it in a consistent way across
+# all platforms.
+if DEBUNDLED:
+    # Actually look inside of WHEEL_DIR to find .whl files and add them to the
+    # front of our sys.path.
+    sys.path[:] = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path
+
+    # Actually alias all of our vendored dependencies.
+    vendored("cachecontrol")
+    vendored("certifi")
+    vendored("colorama")
+    vendored("distlib")
+    vendored("distro")
+    vendored("six")
+    vendored("six.moves")
+    vendored("six.moves.urllib")
+    vendored("six.moves.urllib.parse")
+    vendored("packaging")
+    vendored("packaging.version")
+    vendored("packaging.specifiers")
+    vendored("pep517")
+    vendored("pkg_resources")
+    vendored("platformdirs")
+    vendored("progress")
+    vendored("requests")
+    vendored("requests.exceptions")
+    vendored("requests.packages")
+    vendored("requests.packages.urllib3")
+    vendored("requests.packages.urllib3._collections")
+    vendored("requests.packages.urllib3.connection")
+    vendored("requests.packages.urllib3.connectionpool")
+    vendored("requests.packages.urllib3.contrib")
+    vendored("requests.packages.urllib3.contrib.ntlmpool")
+    vendored("requests.packages.urllib3.contrib.pyopenssl")
+    vendored("requests.packages.urllib3.exceptions")
+    vendored("requests.packages.urllib3.fields")
+    vendored("requests.packages.urllib3.filepost")
+    vendored("requests.packages.urllib3.packages")
+    vendored("requests.packages.urllib3.packages.ordered_dict")
+    vendored("requests.packages.urllib3.packages.six")
+    vendored("requests.packages.urllib3.packages.ssl_match_hostname")
+    vendored("requests.packages.urllib3.packages.ssl_match_hostname."
+             "_implementation")
+    vendored("requests.packages.urllib3.poolmanager")
+    vendored("requests.packages.urllib3.request")
+    vendored("requests.packages.urllib3.response")
+    vendored("requests.packages.urllib3.util")
+    vendored("requests.packages.urllib3.util.connection")
+    vendored("requests.packages.urllib3.util.request")
+    vendored("requests.packages.urllib3.util.response")
+    vendored("requests.packages.urllib3.util.retry")
+    vendored("requests.packages.urllib3.util.ssl_")
+    vendored("requests.packages.urllib3.util.timeout")
+    vendored("requests.packages.urllib3.util.url")
+    vendored("resolvelib")
+    vendored("rich")
+    vendored("rich.console")
+    vendored("rich.highlighter")
+    vendored("rich.logging")
+    vendored("rich.markup")
+    vendored("rich.progress")
+    vendored("rich.segment")
+    vendored("rich.style")
+    vendored("rich.text")
+    vendored("rich.traceback")
+    vendored("tenacity")
+    vendored("tomli")
+    vendored("truststore")
+    vendored("urllib3")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/__pycache__/__init__.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/__init__.py
new file mode 100644
index 00000000..4d20bc9b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/__init__.py
@@ -0,0 +1,28 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+"""CacheControl import Interface.
+
+Make it easy to import from cachecontrol without long namespaces.
+"""
+__author__ = "Eric Larson"
+__email__ = "eric@ionrock.org"
+__version__ = "0.13.1"
+
+from pip._vendor.cachecontrol.adapter import CacheControlAdapter
+from pip._vendor.cachecontrol.controller import CacheController
+from pip._vendor.cachecontrol.wrapper import CacheControl
+
+__all__ = [
+    "__author__",
+    "__email__",
+    "__version__",
+    "CacheControlAdapter",
+    "CacheController",
+    "CacheControl",
+]
+
+import logging
+
+logging.getLogger(__name__).addHandler(logging.NullHandler())
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/_cmd.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/_cmd.py
new file mode 100644
index 00000000..2c84208a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/_cmd.py
@@ -0,0 +1,70 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import logging
+from argparse import ArgumentParser
+from typing import TYPE_CHECKING
+
+from pip._vendor import requests
+
+from pip._vendor.cachecontrol.adapter import CacheControlAdapter
+from pip._vendor.cachecontrol.cache import DictCache
+from pip._vendor.cachecontrol.controller import logger
+
+if TYPE_CHECKING:
+    from argparse import Namespace
+
+    from pip._vendor.cachecontrol.controller import CacheController
+
+
+def setup_logging() -> None:
+    logger.setLevel(logging.DEBUG)
+    handler = logging.StreamHandler()
+    logger.addHandler(handler)
+
+
+def get_session() -> requests.Session:
+    adapter = CacheControlAdapter(
+        DictCache(), cache_etags=True, serializer=None, heuristic=None
+    )
+    sess = requests.Session()
+    sess.mount("http://", adapter)
+    sess.mount("https://", adapter)
+
+    sess.cache_controller = adapter.controller  # type: ignore[attr-defined]
+    return sess
+
+
+def get_args() -> Namespace:
+    parser = ArgumentParser()
+    parser.add_argument("url", help="The URL to try and cache")
+    return parser.parse_args()
+
+
+def main() -> None:
+    args = get_args()
+    sess = get_session()
+
+    # Make a request to get a response
+    resp = sess.get(args.url)
+
+    # Turn on logging
+    setup_logging()
+
+    # try setting the cache
+    cache_controller: CacheController = (
+        sess.cache_controller  # type: ignore[attr-defined]
+    )
+    cache_controller.cache_response(resp.request, resp.raw)
+
+    # Now try to get it
+    if cache_controller.cached_request(resp.request):
+        print("Cached!")
+    else:
+        print("Not cached :(")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py
new file mode 100644
index 00000000..3e83e308
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py
@@ -0,0 +1,161 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import functools
+import types
+import zlib
+from typing import TYPE_CHECKING, Any, Collection, Mapping
+
+from pip._vendor.requests.adapters import HTTPAdapter
+
+from pip._vendor.cachecontrol.cache import DictCache
+from pip._vendor.cachecontrol.controller import PERMANENT_REDIRECT_STATUSES, CacheController
+from pip._vendor.cachecontrol.filewrapper import CallbackFileWrapper
+
+if TYPE_CHECKING:
+    from pip._vendor.requests import PreparedRequest, Response
+    from pip._vendor.urllib3 import HTTPResponse
+
+    from pip._vendor.cachecontrol.cache import BaseCache
+    from pip._vendor.cachecontrol.heuristics import BaseHeuristic
+    from pip._vendor.cachecontrol.serialize import Serializer
+
+
+class CacheControlAdapter(HTTPAdapter):
+    invalidating_methods = {"PUT", "PATCH", "DELETE"}
+
+    def __init__(
+        self,
+        cache: BaseCache | None = None,
+        cache_etags: bool = True,
+        controller_class: type[CacheController] | None = None,
+        serializer: Serializer | None = None,
+        heuristic: BaseHeuristic | None = None,
+        cacheable_methods: Collection[str] | None = None,
+        *args: Any,
+        **kw: Any,
+    ) -> None:
+        super().__init__(*args, **kw)
+        self.cache = DictCache() if cache is None else cache
+        self.heuristic = heuristic
+        self.cacheable_methods = cacheable_methods or ("GET",)
+
+        controller_factory = controller_class or CacheController
+        self.controller = controller_factory(
+            self.cache, cache_etags=cache_etags, serializer=serializer
+        )
+
+    def send(
+        self,
+        request: PreparedRequest,
+        stream: bool = False,
+        timeout: None | float | tuple[float, float] | tuple[float, None] = None,
+        verify: bool | str = True,
+        cert: (None | bytes | str | tuple[bytes | str, bytes | str]) = None,
+        proxies: Mapping[str, str] | None = None,
+        cacheable_methods: Collection[str] | None = None,
+    ) -> Response:
+        """
+        Send a request. Use the request information to see if it
+        exists in the cache and cache the response if we need to and can.
+        """
+        cacheable = cacheable_methods or self.cacheable_methods
+        if request.method in cacheable:
+            try:
+                cached_response = self.controller.cached_request(request)
+            except zlib.error:
+                cached_response = None
+            if cached_response:
+                return self.build_response(request, cached_response, from_cache=True)
+
+            # check for etags and add headers if appropriate
+            request.headers.update(self.controller.conditional_headers(request))
+
+        resp = super().send(request, stream, timeout, verify, cert, proxies)
+
+        return resp
+
+    def build_response(
+        self,
+        request: PreparedRequest,
+        response: HTTPResponse,
+        from_cache: bool = False,
+        cacheable_methods: Collection[str] | None = None,
+    ) -> Response:
+        """
+        Build a response by making a request or using the cache.
+
+        This will end up calling send and returning a potentially
+        cached response
+        """
+        cacheable = cacheable_methods or self.cacheable_methods
+        if not from_cache and request.method in cacheable:
+            # Check for any heuristics that might update headers
+            # before trying to cache.
+            if self.heuristic:
+                response = self.heuristic.apply(response)
+
+            # apply any expiration heuristics
+            if response.status == 304:
+                # We must have sent an ETag request. This could mean
+                # that we've been expired already or that we simply
+                # have an etag. In either case, we want to try and
+                # update the cache if that is the case.
+                cached_response = self.controller.update_cached_response(
+                    request, response
+                )
+
+                if cached_response is not response:
+                    from_cache = True
+
+                # We are done with the server response, read a
+                # possible response body (compliant servers will
+                # not return one, but we cannot be 100% sure) and
+                # release the connection back to the pool.
+                response.read(decode_content=False)
+                response.release_conn()
+
+                response = cached_response
+
+            # We always cache the 301 responses
+            elif int(response.status) in PERMANENT_REDIRECT_STATUSES:
+                self.controller.cache_response(request, response)
+            else:
+                # Wrap the response file with a wrapper that will cache the
+                #   response when the stream has been consumed.
+                response._fp = CallbackFileWrapper(  # type: ignore[attr-defined]
+                    response._fp,  # type: ignore[attr-defined]
+                    functools.partial(
+                        self.controller.cache_response, request, response
+                    ),
+                )
+                if response.chunked:
+                    super_update_chunk_length = response._update_chunk_length  # type: ignore[attr-defined]
+
+                    def _update_chunk_length(self: HTTPResponse) -> None:
+                        super_update_chunk_length()
+                        if self.chunk_left == 0:
+                            self._fp._close()  # type: ignore[attr-defined]
+
+                    response._update_chunk_length = types.MethodType(  # type: ignore[attr-defined]
+                        _update_chunk_length, response
+                    )
+
+        resp: Response = super().build_response(request, response)  # type: ignore[no-untyped-call]
+
+        # See if we should invalidate the cache.
+        if request.method in self.invalidating_methods and resp.ok:
+            assert request.url is not None
+            cache_url = self.controller.cache_url(request.url)
+            self.cache.delete(cache_url)
+
+        # Give the request a from_cache attr to let people use it
+        resp.from_cache = from_cache  # type: ignore[attr-defined]
+
+        return resp
+
+    def close(self) -> None:
+        self.cache.close()
+        super().close()  # type: ignore[no-untyped-call]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/cache.py
new file mode 100644
index 00000000..3293b005
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/cache.py
@@ -0,0 +1,74 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+"""
+The cache object API for implementing caches. The default is a thread
+safe in-memory dictionary.
+"""
+from __future__ import annotations
+
+from threading import Lock
+from typing import IO, TYPE_CHECKING, MutableMapping
+
+if TYPE_CHECKING:
+    from datetime import datetime
+
+
+class BaseCache:
+    def get(self, key: str) -> bytes | None:
+        raise NotImplementedError()
+
+    def set(
+        self, key: str, value: bytes, expires: int | datetime | None = None
+    ) -> None:
+        raise NotImplementedError()
+
+    def delete(self, key: str) -> None:
+        raise NotImplementedError()
+
+    def close(self) -> None:
+        pass
+
+
+class DictCache(BaseCache):
+    def __init__(self, init_dict: MutableMapping[str, bytes] | None = None) -> None:
+        self.lock = Lock()
+        self.data = init_dict or {}
+
+    def get(self, key: str) -> bytes | None:
+        return self.data.get(key, None)
+
+    def set(
+        self, key: str, value: bytes, expires: int | datetime | None = None
+    ) -> None:
+        with self.lock:
+            self.data.update({key: value})
+
+    def delete(self, key: str) -> None:
+        with self.lock:
+            if key in self.data:
+                self.data.pop(key)
+
+
+class SeparateBodyBaseCache(BaseCache):
+    """
+    In this variant, the body is not stored mixed in with the metadata, but is
+    passed in (as a bytes-like object) in a separate call to ``set_body()``.
+
+    That is, the expected interaction pattern is::
+
+        cache.set(key, serialized_metadata)
+        cache.set_body(key)
+
+    Similarly, the body should be loaded separately via ``get_body()``.
+    """
+
+    def set_body(self, key: str, body: bytes) -> None:
+        raise NotImplementedError()
+
+    def get_body(self, key: str) -> IO[bytes] | None:
+        """
+        Return the body as file-like object.
+        """
+        raise NotImplementedError()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/__init__.py
new file mode 100644
index 00000000..24ff469f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/__init__.py
@@ -0,0 +1,8 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from pip._vendor.cachecontrol.caches.file_cache import FileCache, SeparateBodyFileCache
+from pip._vendor.cachecontrol.caches.redis_cache import RedisCache
+
+__all__ = ["FileCache", "SeparateBodyFileCache", "RedisCache"]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py
new file mode 100644
index 00000000..1fd28013
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py
@@ -0,0 +1,181 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import hashlib
+import os
+from textwrap import dedent
+from typing import IO, TYPE_CHECKING
+
+from pip._vendor.cachecontrol.cache import BaseCache, SeparateBodyBaseCache
+from pip._vendor.cachecontrol.controller import CacheController
+
+if TYPE_CHECKING:
+    from datetime import datetime
+
+    from filelock import BaseFileLock
+
+
+def _secure_open_write(filename: str, fmode: int) -> IO[bytes]:
+    # We only want to write to this file, so open it in write only mode
+    flags = os.O_WRONLY
+
+    # os.O_CREAT | os.O_EXCL will fail if the file already exists, so we only
+    #  will open *new* files.
+    # We specify this because we want to ensure that the mode we pass is the
+    # mode of the file.
+    flags |= os.O_CREAT | os.O_EXCL
+
+    # Do not follow symlinks to prevent someone from making a symlink that
+    # we follow and insecurely open a cache file.
+    if hasattr(os, "O_NOFOLLOW"):
+        flags |= os.O_NOFOLLOW
+
+    # On Windows we'll mark this file as binary
+    if hasattr(os, "O_BINARY"):
+        flags |= os.O_BINARY
+
+    # Before we open our file, we want to delete any existing file that is
+    # there
+    try:
+        os.remove(filename)
+    except OSError:
+        # The file must not exist already, so we can just skip ahead to opening
+        pass
+
+    # Open our file, the use of os.O_CREAT | os.O_EXCL will ensure that if a
+    # race condition happens between the os.remove and this line, that an
+    # error will be raised. Because we utilize a lockfile this should only
+    # happen if someone is attempting to attack us.
+    fd = os.open(filename, flags, fmode)
+    try:
+        return os.fdopen(fd, "wb")
+
+    except:
+        # An error occurred wrapping our FD in a file object
+        os.close(fd)
+        raise
+
+
+class _FileCacheMixin:
+    """Shared implementation for both FileCache variants."""
+
+    def __init__(
+        self,
+        directory: str,
+        forever: bool = False,
+        filemode: int = 0o0600,
+        dirmode: int = 0o0700,
+        lock_class: type[BaseFileLock] | None = None,
+    ) -> None:
+        try:
+            if lock_class is None:
+                from filelock import FileLock
+
+                lock_class = FileLock
+        except ImportError:
+            notice = dedent(
+                """
+            NOTE: In order to use the FileCache you must have
+            filelock installed. You can install it via pip:
+              pip install filelock
+            """
+            )
+            raise ImportError(notice)
+
+        self.directory = directory
+        self.forever = forever
+        self.filemode = filemode
+        self.dirmode = dirmode
+        self.lock_class = lock_class
+
+    @staticmethod
+    def encode(x: str) -> str:
+        return hashlib.sha224(x.encode()).hexdigest()
+
+    def _fn(self, name: str) -> str:
+        # NOTE: This method should not change as some may depend on it.
+        #       See: https://github.com/ionrock/cachecontrol/issues/63
+        hashed = self.encode(name)
+        parts = list(hashed[:5]) + [hashed]
+        return os.path.join(self.directory, *parts)
+
+    def get(self, key: str) -> bytes | None:
+        name = self._fn(key)
+        try:
+            with open(name, "rb") as fh:
+                return fh.read()
+
+        except FileNotFoundError:
+            return None
+
+    def set(
+        self, key: str, value: bytes, expires: int | datetime | None = None
+    ) -> None:
+        name = self._fn(key)
+        self._write(name, value)
+
+    def _write(self, path: str, data: bytes) -> None:
+        """
+        Safely write the data to the given path.
+        """
+        # Make sure the directory exists
+        try:
+            os.makedirs(os.path.dirname(path), self.dirmode)
+        except OSError:
+            pass
+
+        with self.lock_class(path + ".lock"):
+            # Write our actual file
+            with _secure_open_write(path, self.filemode) as fh:
+                fh.write(data)
+
+    def _delete(self, key: str, suffix: str) -> None:
+        name = self._fn(key) + suffix
+        if not self.forever:
+            try:
+                os.remove(name)
+            except FileNotFoundError:
+                pass
+
+
+class FileCache(_FileCacheMixin, BaseCache):
+    """
+    Traditional FileCache: body is stored in memory, so not suitable for large
+    downloads.
+    """
+
+    def delete(self, key: str) -> None:
+        self._delete(key, "")
+
+
+class SeparateBodyFileCache(_FileCacheMixin, SeparateBodyBaseCache):
+    """
+    Memory-efficient FileCache: body is stored in a separate file, reducing
+    peak memory usage.
+    """
+
+    def get_body(self, key: str) -> IO[bytes] | None:
+        name = self._fn(key) + ".body"
+        try:
+            return open(name, "rb")
+        except FileNotFoundError:
+            return None
+
+    def set_body(self, key: str, body: bytes) -> None:
+        name = self._fn(key) + ".body"
+        self._write(name, body)
+
+    def delete(self, key: str) -> None:
+        self._delete(key, "")
+        self._delete(key, ".body")
+
+
+def url_to_file_path(url: str, filecache: FileCache) -> str:
+    """Return the file cache path based on the URL.
+
+    This does not ensure the file exists!
+    """
+    key = CacheController.cache_url(url)
+    return filecache._fn(key)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py
new file mode 100644
index 00000000..f4f68c47
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py
@@ -0,0 +1,48 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+
+from datetime import datetime, timezone
+from typing import TYPE_CHECKING
+
+from pip._vendor.cachecontrol.cache import BaseCache
+
+if TYPE_CHECKING:
+    from redis import Redis
+
+
+class RedisCache(BaseCache):
+    def __init__(self, conn: Redis[bytes]) -> None:
+        self.conn = conn
+
+    def get(self, key: str) -> bytes | None:
+        return self.conn.get(key)
+
+    def set(
+        self, key: str, value: bytes, expires: int | datetime | None = None
+    ) -> None:
+        if not expires:
+            self.conn.set(key, value)
+        elif isinstance(expires, datetime):
+            now_utc = datetime.now(timezone.utc)
+            if expires.tzinfo is None:
+                now_utc = now_utc.replace(tzinfo=None)
+            delta = expires - now_utc
+            self.conn.setex(key, int(delta.total_seconds()), value)
+        else:
+            self.conn.setex(key, expires, value)
+
+    def delete(self, key: str) -> None:
+        self.conn.delete(key)
+
+    def clear(self) -> None:
+        """Helper for clearing all the keys in a database. Use with
+        caution!"""
+        for key in self.conn.keys():
+            self.conn.delete(key)
+
+    def close(self) -> None:
+        """Redis uses connection pooling, no need to close the connection."""
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/controller.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/controller.py
new file mode 100644
index 00000000..586b9f97
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/controller.py
@@ -0,0 +1,494 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+"""
+The httplib2 algorithms ported for use with requests.
+"""
+from __future__ import annotations
+
+import calendar
+import logging
+import re
+import time
+from email.utils import parsedate_tz
+from typing import TYPE_CHECKING, Collection, Mapping
+
+from pip._vendor.requests.structures import CaseInsensitiveDict
+
+from pip._vendor.cachecontrol.cache import DictCache, SeparateBodyBaseCache
+from pip._vendor.cachecontrol.serialize import Serializer
+
+if TYPE_CHECKING:
+    from typing import Literal
+
+    from pip._vendor.requests import PreparedRequest
+    from pip._vendor.urllib3 import HTTPResponse
+
+    from pip._vendor.cachecontrol.cache import BaseCache
+
+logger = logging.getLogger(__name__)
+
+URI = re.compile(r"^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?")
+
+PERMANENT_REDIRECT_STATUSES = (301, 308)
+
+
+def parse_uri(uri: str) -> tuple[str, str, str, str, str]:
+    """Parses a URI using the regex given in Appendix B of RFC 3986.
+
+    (scheme, authority, path, query, fragment) = parse_uri(uri)
+    """
+    match = URI.match(uri)
+    assert match is not None
+    groups = match.groups()
+    return (groups[1], groups[3], groups[4], groups[6], groups[8])
+
+
+class CacheController:
+    """An interface to see if request should cached or not."""
+
+    def __init__(
+        self,
+        cache: BaseCache | None = None,
+        cache_etags: bool = True,
+        serializer: Serializer | None = None,
+        status_codes: Collection[int] | None = None,
+    ):
+        self.cache = DictCache() if cache is None else cache
+        self.cache_etags = cache_etags
+        self.serializer = serializer or Serializer()
+        self.cacheable_status_codes = status_codes or (200, 203, 300, 301, 308)
+
+    @classmethod
+    def _urlnorm(cls, uri: str) -> str:
+        """Normalize the URL to create a safe key for the cache"""
+        (scheme, authority, path, query, fragment) = parse_uri(uri)
+        if not scheme or not authority:
+            raise Exception("Only absolute URIs are allowed. uri = %s" % uri)
+
+        scheme = scheme.lower()
+        authority = authority.lower()
+
+        if not path:
+            path = "/"
+
+        # Could do syntax based normalization of the URI before
+        # computing the digest. See Section 6.2.2 of Std 66.
+        request_uri = query and "?".join([path, query]) or path
+        defrag_uri = scheme + "://" + authority + request_uri
+
+        return defrag_uri
+
+    @classmethod
+    def cache_url(cls, uri: str) -> str:
+        return cls._urlnorm(uri)
+
+    def parse_cache_control(self, headers: Mapping[str, str]) -> dict[str, int | None]:
+        known_directives = {
+            # https://tools.ietf.org/html/rfc7234#section-5.2
+            "max-age": (int, True),
+            "max-stale": (int, False),
+            "min-fresh": (int, True),
+            "no-cache": (None, False),
+            "no-store": (None, False),
+            "no-transform": (None, False),
+            "only-if-cached": (None, False),
+            "must-revalidate": (None, False),
+            "public": (None, False),
+            "private": (None, False),
+            "proxy-revalidate": (None, False),
+            "s-maxage": (int, True),
+        }
+
+        cc_headers = headers.get("cache-control", headers.get("Cache-Control", ""))
+
+        retval: dict[str, int | None] = {}
+
+        for cc_directive in cc_headers.split(","):
+            if not cc_directive.strip():
+                continue
+
+            parts = cc_directive.split("=", 1)
+            directive = parts[0].strip()
+
+            try:
+                typ, required = known_directives[directive]
+            except KeyError:
+                logger.debug("Ignoring unknown cache-control directive: %s", directive)
+                continue
+
+            if not typ or not required:
+                retval[directive] = None
+            if typ:
+                try:
+                    retval[directive] = typ(parts[1].strip())
+                except IndexError:
+                    if required:
+                        logger.debug(
+                            "Missing value for cache-control " "directive: %s",
+                            directive,
+                        )
+                except ValueError:
+                    logger.debug(
+                        "Invalid value for cache-control directive " "%s, must be %s",
+                        directive,
+                        typ.__name__,
+                    )
+
+        return retval
+
+    def _load_from_cache(self, request: PreparedRequest) -> HTTPResponse | None:
+        """
+        Load a cached response, or return None if it's not available.
+        """
+        cache_url = request.url
+        assert cache_url is not None
+        cache_data = self.cache.get(cache_url)
+        if cache_data is None:
+            logger.debug("No cache entry available")
+            return None
+
+        if isinstance(self.cache, SeparateBodyBaseCache):
+            body_file = self.cache.get_body(cache_url)
+        else:
+            body_file = None
+
+        result = self.serializer.loads(request, cache_data, body_file)
+        if result is None:
+            logger.warning("Cache entry deserialization failed, entry ignored")
+        return result
+
+    def cached_request(self, request: PreparedRequest) -> HTTPResponse | Literal[False]:
+        """
+        Return a cached response if it exists in the cache, otherwise
+        return False.
+        """
+        assert request.url is not None
+        cache_url = self.cache_url(request.url)
+        logger.debug('Looking up "%s" in the cache', cache_url)
+        cc = self.parse_cache_control(request.headers)
+
+        # Bail out if the request insists on fresh data
+        if "no-cache" in cc:
+            logger.debug('Request header has "no-cache", cache bypassed')
+            return False
+
+        if "max-age" in cc and cc["max-age"] == 0:
+            logger.debug('Request header has "max_age" as 0, cache bypassed')
+            return False
+
+        # Check whether we can load the response from the cache:
+        resp = self._load_from_cache(request)
+        if not resp:
+            return False
+
+        # If we have a cached permanent redirect, return it immediately. We
+        # don't need to test our response for other headers b/c it is
+        # intrinsically "cacheable" as it is Permanent.
+        #
+        # See:
+        #   https://tools.ietf.org/html/rfc7231#section-6.4.2
+        #
+        # Client can try to refresh the value by repeating the request
+        # with cache busting headers as usual (ie no-cache).
+        if int(resp.status) in PERMANENT_REDIRECT_STATUSES:
+            msg = (
+                "Returning cached permanent redirect response "
+                "(ignoring date and etag information)"
+            )
+            logger.debug(msg)
+            return resp
+
+        headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(resp.headers)
+        if not headers or "date" not in headers:
+            if "etag" not in headers:
+                # Without date or etag, the cached response can never be used
+                # and should be deleted.
+                logger.debug("Purging cached response: no date or etag")
+                self.cache.delete(cache_url)
+            logger.debug("Ignoring cached response: no date")
+            return False
+
+        now = time.time()
+        time_tuple = parsedate_tz(headers["date"])
+        assert time_tuple is not None
+        date = calendar.timegm(time_tuple[:6])
+        current_age = max(0, now - date)
+        logger.debug("Current age based on date: %i", current_age)
+
+        # TODO: There is an assumption that the result will be a
+        #       urllib3 response object. This may not be best since we
+        #       could probably avoid instantiating or constructing the
+        #       response until we know we need it.
+        resp_cc = self.parse_cache_control(headers)
+
+        # determine freshness
+        freshness_lifetime = 0
+
+        # Check the max-age pragma in the cache control header
+        max_age = resp_cc.get("max-age")
+        if max_age is not None:
+            freshness_lifetime = max_age
+            logger.debug("Freshness lifetime from max-age: %i", freshness_lifetime)
+
+        # If there isn't a max-age, check for an expires header
+        elif "expires" in headers:
+            expires = parsedate_tz(headers["expires"])
+            if expires is not None:
+                expire_time = calendar.timegm(expires[:6]) - date
+                freshness_lifetime = max(0, expire_time)
+                logger.debug("Freshness lifetime from expires: %i", freshness_lifetime)
+
+        # Determine if we are setting freshness limit in the
+        # request. Note, this overrides what was in the response.
+        max_age = cc.get("max-age")
+        if max_age is not None:
+            freshness_lifetime = max_age
+            logger.debug(
+                "Freshness lifetime from request max-age: %i", freshness_lifetime
+            )
+
+        min_fresh = cc.get("min-fresh")
+        if min_fresh is not None:
+            # adjust our current age by our min fresh
+            current_age += min_fresh
+            logger.debug("Adjusted current age from min-fresh: %i", current_age)
+
+        # Return entry if it is fresh enough
+        if freshness_lifetime > current_age:
+            logger.debug('The response is "fresh", returning cached response')
+            logger.debug("%i > %i", freshness_lifetime, current_age)
+            return resp
+
+        # we're not fresh. If we don't have an Etag, clear it out
+        if "etag" not in headers:
+            logger.debug('The cached response is "stale" with no etag, purging')
+            self.cache.delete(cache_url)
+
+        # return the original handler
+        return False
+
+    def conditional_headers(self, request: PreparedRequest) -> dict[str, str]:
+        resp = self._load_from_cache(request)
+        new_headers = {}
+
+        if resp:
+            headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(resp.headers)
+
+            if "etag" in headers:
+                new_headers["If-None-Match"] = headers["ETag"]
+
+            if "last-modified" in headers:
+                new_headers["If-Modified-Since"] = headers["Last-Modified"]
+
+        return new_headers
+
+    def _cache_set(
+        self,
+        cache_url: str,
+        request: PreparedRequest,
+        response: HTTPResponse,
+        body: bytes | None = None,
+        expires_time: int | None = None,
+    ) -> None:
+        """
+        Store the data in the cache.
+        """
+        if isinstance(self.cache, SeparateBodyBaseCache):
+            # We pass in the body separately; just put a placeholder empty
+            # string in the metadata.
+            self.cache.set(
+                cache_url,
+                self.serializer.dumps(request, response, b""),
+                expires=expires_time,
+            )
+            # body is None can happen when, for example, we're only updating
+            # headers, as is the case in update_cached_response().
+            if body is not None:
+                self.cache.set_body(cache_url, body)
+        else:
+            self.cache.set(
+                cache_url,
+                self.serializer.dumps(request, response, body),
+                expires=expires_time,
+            )
+
+    def cache_response(
+        self,
+        request: PreparedRequest,
+        response: HTTPResponse,
+        body: bytes | None = None,
+        status_codes: Collection[int] | None = None,
+    ) -> None:
+        """
+        Algorithm for caching requests.
+
+        This assumes a requests Response object.
+        """
+        # From httplib2: Don't cache 206's since we aren't going to
+        #                handle byte range requests
+        cacheable_status_codes = status_codes or self.cacheable_status_codes
+        if response.status not in cacheable_status_codes:
+            logger.debug(
+                "Status code %s not in %s", response.status, cacheable_status_codes
+            )
+            return
+
+        response_headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(
+            response.headers
+        )
+
+        if "date" in response_headers:
+            time_tuple = parsedate_tz(response_headers["date"])
+            assert time_tuple is not None
+            date = calendar.timegm(time_tuple[:6])
+        else:
+            date = 0
+
+        # If we've been given a body, our response has a Content-Length, that
+        # Content-Length is valid then we can check to see if the body we've
+        # been given matches the expected size, and if it doesn't we'll just
+        # skip trying to cache it.
+        if (
+            body is not None
+            and "content-length" in response_headers
+            and response_headers["content-length"].isdigit()
+            and int(response_headers["content-length"]) != len(body)
+        ):
+            return
+
+        cc_req = self.parse_cache_control(request.headers)
+        cc = self.parse_cache_control(response_headers)
+
+        assert request.url is not None
+        cache_url = self.cache_url(request.url)
+        logger.debug('Updating cache with response from "%s"', cache_url)
+
+        # Delete it from the cache if we happen to have it stored there
+        no_store = False
+        if "no-store" in cc:
+            no_store = True
+            logger.debug('Response header has "no-store"')
+        if "no-store" in cc_req:
+            no_store = True
+            logger.debug('Request header has "no-store"')
+        if no_store and self.cache.get(cache_url):
+            logger.debug('Purging existing cache entry to honor "no-store"')
+            self.cache.delete(cache_url)
+        if no_store:
+            return
+
+        # https://tools.ietf.org/html/rfc7234#section-4.1:
+        # A Vary header field-value of "*" always fails to match.
+        # Storing such a response leads to a deserialization warning
+        # during cache lookup and is not allowed to ever be served,
+        # so storing it can be avoided.
+        if "*" in response_headers.get("vary", ""):
+            logger.debug('Response header has "Vary: *"')
+            return
+
+        # If we've been given an etag, then keep the response
+        if self.cache_etags and "etag" in response_headers:
+            expires_time = 0
+            if response_headers.get("expires"):
+                expires = parsedate_tz(response_headers["expires"])
+                if expires is not None:
+                    expires_time = calendar.timegm(expires[:6]) - date
+
+            expires_time = max(expires_time, 14 * 86400)
+
+            logger.debug(f"etag object cached for {expires_time} seconds")
+            logger.debug("Caching due to etag")
+            self._cache_set(cache_url, request, response, body, expires_time)
+
+        # Add to the cache any permanent redirects. We do this before looking
+        # that the Date headers.
+        elif int(response.status) in PERMANENT_REDIRECT_STATUSES:
+            logger.debug("Caching permanent redirect")
+            self._cache_set(cache_url, request, response, b"")
+
+        # Add to the cache if the response headers demand it. If there
+        # is no date header then we can't do anything about expiring
+        # the cache.
+        elif "date" in response_headers:
+            time_tuple = parsedate_tz(response_headers["date"])
+            assert time_tuple is not None
+            date = calendar.timegm(time_tuple[:6])
+            # cache when there is a max-age > 0
+            max_age = cc.get("max-age")
+            if max_age is not None and max_age > 0:
+                logger.debug("Caching b/c date exists and max-age > 0")
+                expires_time = max_age
+                self._cache_set(
+                    cache_url,
+                    request,
+                    response,
+                    body,
+                    expires_time,
+                )
+
+            # If the request can expire, it means we should cache it
+            # in the meantime.
+            elif "expires" in response_headers:
+                if response_headers["expires"]:
+                    expires = parsedate_tz(response_headers["expires"])
+                    if expires is not None:
+                        expires_time = calendar.timegm(expires[:6]) - date
+                    else:
+                        expires_time = None
+
+                    logger.debug(
+                        "Caching b/c of expires header. expires in {} seconds".format(
+                            expires_time
+                        )
+                    )
+                    self._cache_set(
+                        cache_url,
+                        request,
+                        response,
+                        body,
+                        expires_time,
+                    )
+
+    def update_cached_response(
+        self, request: PreparedRequest, response: HTTPResponse
+    ) -> HTTPResponse:
+        """On a 304 we will get a new set of headers that we want to
+        update our cached value with, assuming we have one.
+
+        This should only ever be called when we've sent an ETag and
+        gotten a 304 as the response.
+        """
+        assert request.url is not None
+        cache_url = self.cache_url(request.url)
+        cached_response = self._load_from_cache(request)
+
+        if not cached_response:
+            # we didn't have a cached response
+            return response
+
+        # Lets update our headers with the headers from the new request:
+        # http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional-26#section-4.1
+        #
+        # The server isn't supposed to send headers that would make
+        # the cached body invalid. But... just in case, we'll be sure
+        # to strip out ones we know that might be problmatic due to
+        # typical assumptions.
+        excluded_headers = ["content-length"]
+
+        cached_response.headers.update(
+            {
+                k: v
+                for k, v in response.headers.items()  # type: ignore[no-untyped-call]
+                if k.lower() not in excluded_headers
+            }
+        )
+
+        # we want a 200 b/c we have content via the cache
+        cached_response.status = 200
+
+        # update our cache
+        self._cache_set(cache_url, request, cached_response)
+
+        return cached_response
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/filewrapper.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/filewrapper.py
new file mode 100644
index 00000000..25143902
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/filewrapper.py
@@ -0,0 +1,119 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import mmap
+from tempfile import NamedTemporaryFile
+from typing import TYPE_CHECKING, Any, Callable
+
+if TYPE_CHECKING:
+    from http.client import HTTPResponse
+
+
+class CallbackFileWrapper:
+    """
+    Small wrapper around a fp object which will tee everything read into a
+    buffer, and when that file is closed it will execute a callback with the
+    contents of that buffer.
+
+    All attributes are proxied to the underlying file object.
+
+    This class uses members with a double underscore (__) leading prefix so as
+    not to accidentally shadow an attribute.
+
+    The data is stored in a temporary file until it is all available.  As long
+    as the temporary files directory is disk-based (sometimes it's a
+    memory-backed-``tmpfs`` on Linux), data will be unloaded to disk if memory
+    pressure is high.  For small files the disk usually won't be used at all,
+    it'll all be in the filesystem memory cache, so there should be no
+    performance impact.
+    """
+
+    def __init__(
+        self, fp: HTTPResponse, callback: Callable[[bytes], None] | None
+    ) -> None:
+        self.__buf = NamedTemporaryFile("rb+", delete=True)
+        self.__fp = fp
+        self.__callback = callback
+
+    def __getattr__(self, name: str) -> Any:
+        # The vaguaries of garbage collection means that self.__fp is
+        # not always set.  By using __getattribute__ and the private
+        # name[0] allows looking up the attribute value and raising an
+        # AttributeError when it doesn't exist. This stop thigns from
+        # infinitely recursing calls to getattr in the case where
+        # self.__fp hasn't been set.
+        #
+        # [0] https://docs.python.org/2/reference/expressions.html#atom-identifiers
+        fp = self.__getattribute__("_CallbackFileWrapper__fp")
+        return getattr(fp, name)
+
+    def __is_fp_closed(self) -> bool:
+        try:
+            return self.__fp.fp is None
+
+        except AttributeError:
+            pass
+
+        try:
+            closed: bool = self.__fp.closed
+            return closed
+
+        except AttributeError:
+            pass
+
+        # We just don't cache it then.
+        # TODO: Add some logging here...
+        return False
+
+    def _close(self) -> None:
+        if self.__callback:
+            if self.__buf.tell() == 0:
+                # Empty file:
+                result = b""
+            else:
+                # Return the data without actually loading it into memory,
+                # relying on Python's buffer API and mmap(). mmap() just gives
+                # a view directly into the filesystem's memory cache, so it
+                # doesn't result in duplicate memory use.
+                self.__buf.seek(0, 0)
+                result = memoryview(
+                    mmap.mmap(self.__buf.fileno(), 0, access=mmap.ACCESS_READ)
+                )
+            self.__callback(result)
+
+        # We assign this to None here, because otherwise we can get into
+        # really tricky problems where the CPython interpreter dead locks
+        # because the callback is holding a reference to something which
+        # has a __del__ method. Setting this to None breaks the cycle
+        # and allows the garbage collector to do it's thing normally.
+        self.__callback = None
+
+        # Closing the temporary file releases memory and frees disk space.
+        # Important when caching big files.
+        self.__buf.close()
+
+    def read(self, amt: int | None = None) -> bytes:
+        data: bytes = self.__fp.read(amt)
+        if data:
+            # We may be dealing with b'', a sign that things are over:
+            # it's passed e.g. after we've already closed self.__buf.
+            self.__buf.write(data)
+        if self.__is_fp_closed():
+            self._close()
+
+        return data
+
+    def _safe_read(self, amt: int) -> bytes:
+        data: bytes = self.__fp._safe_read(amt)  # type: ignore[attr-defined]
+        if amt == 2 and data == b"\r\n":
+            # urllib executes this read to toss the CRLF at the end
+            # of the chunk.
+            return data
+
+        self.__buf.write(data)
+        if self.__is_fp_closed():
+            self._close()
+
+        return data
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/heuristics.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/heuristics.py
new file mode 100644
index 00000000..b9d72ca4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/heuristics.py
@@ -0,0 +1,154 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import calendar
+import time
+from datetime import datetime, timedelta, timezone
+from email.utils import formatdate, parsedate, parsedate_tz
+from typing import TYPE_CHECKING, Any, Mapping
+
+if TYPE_CHECKING:
+    from pip._vendor.urllib3 import HTTPResponse
+
+TIME_FMT = "%a, %d %b %Y %H:%M:%S GMT"
+
+
+def expire_after(delta: timedelta, date: datetime | None = None) -> datetime:
+    date = date or datetime.now(timezone.utc)
+    return date + delta
+
+
+def datetime_to_header(dt: datetime) -> str:
+    return formatdate(calendar.timegm(dt.timetuple()))
+
+
+class BaseHeuristic:
+    def warning(self, response: HTTPResponse) -> str | None:
+        """
+        Return a valid 1xx warning header value describing the cache
+        adjustments.
+
+        The response is provided too allow warnings like 113
+        http://tools.ietf.org/html/rfc7234#section-5.5.4 where we need
+        to explicitly say response is over 24 hours old.
+        """
+        return '110 - "Response is Stale"'
+
+    def update_headers(self, response: HTTPResponse) -> dict[str, str]:
+        """Update the response headers with any new headers.
+
+        NOTE: This SHOULD always include some Warning header to
+              signify that the response was cached by the client, not
+              by way of the provided headers.
+        """
+        return {}
+
+    def apply(self, response: HTTPResponse) -> HTTPResponse:
+        updated_headers = self.update_headers(response)
+
+        if updated_headers:
+            response.headers.update(updated_headers)
+            warning_header_value = self.warning(response)
+            if warning_header_value is not None:
+                response.headers.update({"Warning": warning_header_value})
+
+        return response
+
+
+class OneDayCache(BaseHeuristic):
+    """
+    Cache the response by providing an expires 1 day in the
+    future.
+    """
+
+    def update_headers(self, response: HTTPResponse) -> dict[str, str]:
+        headers = {}
+
+        if "expires" not in response.headers:
+            date = parsedate(response.headers["date"])
+            expires = expire_after(timedelta(days=1), date=datetime(*date[:6], tzinfo=timezone.utc))  # type: ignore[misc]
+            headers["expires"] = datetime_to_header(expires)
+            headers["cache-control"] = "public"
+        return headers
+
+
+class ExpiresAfter(BaseHeuristic):
+    """
+    Cache **all** requests for a defined time period.
+    """
+
+    def __init__(self, **kw: Any) -> None:
+        self.delta = timedelta(**kw)
+
+    def update_headers(self, response: HTTPResponse) -> dict[str, str]:
+        expires = expire_after(self.delta)
+        return {"expires": datetime_to_header(expires), "cache-control": "public"}
+
+    def warning(self, response: HTTPResponse) -> str | None:
+        tmpl = "110 - Automatically cached for %s. Response might be stale"
+        return tmpl % self.delta
+
+
+class LastModified(BaseHeuristic):
+    """
+    If there is no Expires header already, fall back on Last-Modified
+    using the heuristic from
+    http://tools.ietf.org/html/rfc7234#section-4.2.2
+    to calculate a reasonable value.
+
+    Firefox also does something like this per
+    https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching_FAQ
+    http://lxr.mozilla.org/mozilla-release/source/netwerk/protocol/http/nsHttpResponseHead.cpp#397
+    Unlike mozilla we limit this to 24-hr.
+    """
+
+    cacheable_by_default_statuses = {
+        200,
+        203,
+        204,
+        206,
+        300,
+        301,
+        404,
+        405,
+        410,
+        414,
+        501,
+    }
+
+    def update_headers(self, resp: HTTPResponse) -> dict[str, str]:
+        headers: Mapping[str, str] = resp.headers
+
+        if "expires" in headers:
+            return {}
+
+        if "cache-control" in headers and headers["cache-control"] != "public":
+            return {}
+
+        if resp.status not in self.cacheable_by_default_statuses:
+            return {}
+
+        if "date" not in headers or "last-modified" not in headers:
+            return {}
+
+        time_tuple = parsedate_tz(headers["date"])
+        assert time_tuple is not None
+        date = calendar.timegm(time_tuple[:6])
+        last_modified = parsedate(headers["last-modified"])
+        if last_modified is None:
+            return {}
+
+        now = time.time()
+        current_age = max(0, now - date)
+        delta = date - calendar.timegm(last_modified)
+        freshness_lifetime = max(0, min(delta / 10, 24 * 3600))
+        if freshness_lifetime <= current_age:
+            return {}
+
+        expires = date + freshness_lifetime
+        return {"expires": time.strftime(TIME_FMT, time.gmtime(expires))}
+
+    def warning(self, resp: HTTPResponse) -> str | None:
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py
new file mode 100644
index 00000000..f9e967c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py
@@ -0,0 +1,206 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import io
+from typing import IO, TYPE_CHECKING, Any, Mapping, cast
+
+from pip._vendor import msgpack
+from pip._vendor.requests.structures import CaseInsensitiveDict
+from pip._vendor.urllib3 import HTTPResponse
+
+if TYPE_CHECKING:
+    from pip._vendor.requests import PreparedRequest
+
+
+class Serializer:
+    serde_version = "4"
+
+    def dumps(
+        self,
+        request: PreparedRequest,
+        response: HTTPResponse,
+        body: bytes | None = None,
+    ) -> bytes:
+        response_headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(
+            response.headers
+        )
+
+        if body is None:
+            # When a body isn't passed in, we'll read the response. We
+            # also update the response with a new file handler to be
+            # sure it acts as though it was never read.
+            body = response.read(decode_content=False)
+            response._fp = io.BytesIO(body)  # type: ignore[attr-defined]
+            response.length_remaining = len(body)
+
+        data = {
+            "response": {
+                "body": body,  # Empty bytestring if body is stored separately
+                "headers": {str(k): str(v) for k, v in response.headers.items()},  # type: ignore[no-untyped-call]
+                "status": response.status,
+                "version": response.version,
+                "reason": str(response.reason),
+                "decode_content": response.decode_content,
+            }
+        }
+
+        # Construct our vary headers
+        data["vary"] = {}
+        if "vary" in response_headers:
+            varied_headers = response_headers["vary"].split(",")
+            for header in varied_headers:
+                header = str(header).strip()
+                header_value = request.headers.get(header, None)
+                if header_value is not None:
+                    header_value = str(header_value)
+                data["vary"][header] = header_value
+
+        return b",".join([f"cc={self.serde_version}".encode(), self.serialize(data)])
+
+    def serialize(self, data: dict[str, Any]) -> bytes:
+        return cast(bytes, msgpack.dumps(data, use_bin_type=True))
+
+    def loads(
+        self,
+        request: PreparedRequest,
+        data: bytes,
+        body_file: IO[bytes] | None = None,
+    ) -> HTTPResponse | None:
+        # Short circuit if we've been given an empty set of data
+        if not data:
+            return None
+
+        # Determine what version of the serializer the data was serialized
+        # with
+        try:
+            ver, data = data.split(b",", 1)
+        except ValueError:
+            ver = b"cc=0"
+
+        # Make sure that our "ver" is actually a version and isn't a false
+        # positive from a , being in the data stream.
+        if ver[:3] != b"cc=":
+            data = ver + data
+            ver = b"cc=0"
+
+        # Get the version number out of the cc=N
+        verstr = ver.split(b"=", 1)[-1].decode("ascii")
+
+        # Dispatch to the actual load method for the given version
+        try:
+            return getattr(self, f"_loads_v{verstr}")(request, data, body_file)  # type: ignore[no-any-return]
+
+        except AttributeError:
+            # This is a version we don't have a loads function for, so we'll
+            # just treat it as a miss and return None
+            return None
+
+    def prepare_response(
+        self,
+        request: PreparedRequest,
+        cached: Mapping[str, Any],
+        body_file: IO[bytes] | None = None,
+    ) -> HTTPResponse | None:
+        """Verify our vary headers match and construct a real urllib3
+        HTTPResponse object.
+        """
+        # Special case the '*' Vary value as it means we cannot actually
+        # determine if the cached response is suitable for this request.
+        # This case is also handled in the controller code when creating
+        # a cache entry, but is left here for backwards compatibility.
+        if "*" in cached.get("vary", {}):
+            return None
+
+        # Ensure that the Vary headers for the cached response match our
+        # request
+        for header, value in cached.get("vary", {}).items():
+            if request.headers.get(header, None) != value:
+                return None
+
+        body_raw = cached["response"].pop("body")
+
+        headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(
+            data=cached["response"]["headers"]
+        )
+        if headers.get("transfer-encoding", "") == "chunked":
+            headers.pop("transfer-encoding")
+
+        cached["response"]["headers"] = headers
+
+        try:
+            body: IO[bytes]
+            if body_file is None:
+                body = io.BytesIO(body_raw)
+            else:
+                body = body_file
+        except TypeError:
+            # This can happen if cachecontrol serialized to v1 format (pickle)
+            # using Python 2. A Python 2 str(byte string) will be unpickled as
+            # a Python 3 str (unicode string), which will cause the above to
+            # fail with:
+            #
+            #     TypeError: 'str' does not support the buffer interface
+            body = io.BytesIO(body_raw.encode("utf8"))
+
+        # Discard any `strict` parameter serialized by older version of cachecontrol.
+        cached["response"].pop("strict", None)
+
+        return HTTPResponse(body=body, preload_content=False, **cached["response"])
+
+    def _loads_v0(
+        self,
+        request: PreparedRequest,
+        data: bytes,
+        body_file: IO[bytes] | None = None,
+    ) -> None:
+        # The original legacy cache data. This doesn't contain enough
+        # information to construct everything we need, so we'll treat this as
+        # a miss.
+        return None
+
+    def _loads_v1(
+        self,
+        request: PreparedRequest,
+        data: bytes,
+        body_file: IO[bytes] | None = None,
+    ) -> HTTPResponse | None:
+        # The "v1" pickled cache format. This is no longer supported
+        # for security reasons, so we treat it as a miss.
+        return None
+
+    def _loads_v2(
+        self,
+        request: PreparedRequest,
+        data: bytes,
+        body_file: IO[bytes] | None = None,
+    ) -> HTTPResponse | None:
+        # The "v2" compressed base64 cache format.
+        # This has been removed due to age and poor size/performance
+        # characteristics, so we treat it as a miss.
+        return None
+
+    def _loads_v3(
+        self,
+        request: PreparedRequest,
+        data: bytes,
+        body_file: IO[bytes] | None = None,
+    ) -> None:
+        # Due to Python 2 encoding issues, it's impossible to know for sure
+        # exactly how to load v3 entries, thus we'll treat these as a miss so
+        # that they get rewritten out as v4 entries.
+        return None
+
+    def _loads_v4(
+        self,
+        request: PreparedRequest,
+        data: bytes,
+        body_file: IO[bytes] | None = None,
+    ) -> HTTPResponse | None:
+        try:
+            cached = msgpack.loads(data, raw=False)
+        except ValueError:
+            return None
+
+        return self.prepare_response(request, cached, body_file)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/wrapper.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/wrapper.py
new file mode 100644
index 00000000..f618bc36
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/cachecontrol/wrapper.py
@@ -0,0 +1,43 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Collection
+
+from pip._vendor.cachecontrol.adapter import CacheControlAdapter
+from pip._vendor.cachecontrol.cache import DictCache
+
+if TYPE_CHECKING:
+    from pip._vendor import requests
+
+    from pip._vendor.cachecontrol.cache import BaseCache
+    from pip._vendor.cachecontrol.controller import CacheController
+    from pip._vendor.cachecontrol.heuristics import BaseHeuristic
+    from pip._vendor.cachecontrol.serialize import Serializer
+
+
+def CacheControl(
+    sess: requests.Session,
+    cache: BaseCache | None = None,
+    cache_etags: bool = True,
+    serializer: Serializer | None = None,
+    heuristic: BaseHeuristic | None = None,
+    controller_class: type[CacheController] | None = None,
+    adapter_class: type[CacheControlAdapter] | None = None,
+    cacheable_methods: Collection[str] | None = None,
+) -> requests.Session:
+    cache = DictCache() if cache is None else cache
+    adapter_class = adapter_class or CacheControlAdapter
+    adapter = adapter_class(
+        cache,
+        cache_etags=cache_etags,
+        serializer=serializer,
+        heuristic=heuristic,
+        controller_class=controller_class,
+        cacheable_methods=cacheable_methods,
+    )
+    sess.mount("http://", adapter)
+    sess.mount("https://", adapter)
+
+    return sess
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__init__.py
new file mode 100644
index 00000000..8ce89cef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__init__.py
@@ -0,0 +1,4 @@
+from .core import contents, where
+
+__all__ = ["contents", "where"]
+__version__ = "2023.07.22"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__main__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__main__.py
new file mode 100644
index 00000000..00376349
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__main__.py
@@ -0,0 +1,12 @@
+import argparse
+
+from pip._vendor.certifi import contents, where
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-c", "--contents", action="store_true")
+args = parser.parse_args()
+
+if args.contents:
+    print(contents())
+else:
+    print(where())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..856b9264
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/__main__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/__main__.cpython-311.pyc
new file mode 100644
index 00000000..535b91f5
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/__main__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/core.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/core.cpython-311.pyc
new file mode 100644
index 00000000..f6d26097
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/__pycache__/core.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/cacert.pem b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/cacert.pem
new file mode 100644
index 00000000..02123695
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/cacert.pem
@@ -0,0 +1,4635 @@
+
+# Issuer: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA
+# Subject: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA
+# Label: "GlobalSign Root CA"
+# Serial: 4835703278459707669005204
+# MD5 Fingerprint: 3e:45:52:15:09:51:92:e1:b7:5d:37:9f:b1:87:29:8a
+# SHA1 Fingerprint: b1:bc:96:8b:d4:f4:9d:62:2a:a8:9a:81:f2:15:01:52:a4:1d:82:9c
+# SHA256 Fingerprint: eb:d4:10:40:e4:bb:3e:c7:42:c9:e3:81:d3:1e:f2:a4:1a:48:b6:68:5c:96:e7:ce:f3:c1:df:6c:d4:33:1c:99
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+
+# Issuer: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited
+# Subject: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited
+# Label: "Entrust.net Premium 2048 Secure Server CA"
+# Serial: 946069240
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust
+# Subject: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust
+# Label: "Baltimore CyberTrust Root"
+# Serial: 33554617
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc.
+# Subject: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc.
+# Label: "Entrust Root Certification Authority"
+# Serial: 1164660820
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=AAA Certificate Services O=Comodo CA Limited
+# Subject: CN=AAA Certificate Services O=Comodo CA Limited
+# Label: "Comodo AAA Services root"
+# Serial: 1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=QuoVadis Root CA 2 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 2 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 2"
+# Serial: 1289
+# MD5 Fingerprint: 5e:39:7b:dd:f8:ba:ec:82:e9:ac:62:ba:0c:54:00:2b
+# SHA1 Fingerprint: ca:3a:fb:cf:12:40:36:4b:44:b2:16:20:88:80:48:39:19:93:7c:f7
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=QuoVadis Root CA 3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 3"
+# Serial: 1478
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+-----BEGIN CERTIFICATE-----
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+# Issuer: O=SECOM Trust.net OU=Security Communication RootCA1
+# Subject: O=SECOM Trust.net OU=Security Communication RootCA1
+# Label: "Security Communication Root CA"
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+-----BEGIN CERTIFICATE-----
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+# Subject: CN=XRamp Global Certification Authority O=XRamp Security Services Inc OU=www.xrampsecurity.com
+# Label: "XRamp Global CA Root"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority
+# Subject: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority
+# Label: "Go Daddy Class 2 CA"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+# Issuer: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority
+# Subject: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority
+# Label: "Starfield Class 2 CA"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Assured ID Root CA O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Assured ID Root CA O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Assured ID Root CA"
+# Serial: 17154717934120587862167794914071425081
+# MD5 Fingerprint: 87:ce:0b:7b:2a:0e:49:00:e1:58:71:9b:37:a8:93:72
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Global Root CA O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Global Root CA O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Global Root CA"
+# Serial: 10944719598952040374951832963794454346
+# MD5 Fingerprint: 79:e4:a9:84:0d:7d:3a:96:d7:c0:4f:e2:43:4c:89:2e
+# SHA1 Fingerprint: a8:98:5d:3a:65:e5:e5:c4:b2:d7:d6:6d:40:c6:dd:2f:b1:9c:54:36
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=DigiCert High Assurance EV Root CA O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert High Assurance EV Root CA O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert High Assurance EV Root CA"
+# Serial: 3553400076410547919724730734378100087
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SwissSign Gold CA - G2 O=SwissSign AG
+# Subject: CN=SwissSign Gold CA - G2 O=SwissSign AG
+# Label: "SwissSign Gold CA - G2"
+# Serial: 13492815561806991280
+# MD5 Fingerprint: 24:77:d9:a8:91:d1:3b:fa:88:2d:c2:ff:f8:cd:33:93
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=SwissSign Silver CA - G2 O=SwissSign AG
+# Subject: CN=SwissSign Silver CA - G2 O=SwissSign AG
+# Label: "SwissSign Silver CA - G2"
+# Serial: 5700383053117599563
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=SecureTrust CA O=SecureTrust Corporation
+# Subject: CN=SecureTrust CA O=SecureTrust Corporation
+# Label: "SecureTrust CA"
+# Serial: 17199774589125277788362757014266862032
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Secure Global CA O=SecureTrust Corporation
+# Subject: CN=Secure Global CA O=SecureTrust Corporation
+# Label: "Secure Global CA"
+# Serial: 9751836167731051554232119481456978597
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=COMODO Certification Authority O=COMODO CA Limited
+# Subject: CN=COMODO Certification Authority O=COMODO CA Limited
+# Label: "COMODO Certification Authority"
+# Serial: 104350513648249232941998508985834464573
+# MD5 Fingerprint: 5c:48:dc:f7:42:72:ec:56:94:6d:1c:cc:71:35:80:75
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=COMODO ECC Certification Authority O=COMODO CA Limited
+# Subject: CN=COMODO ECC Certification Authority O=COMODO CA Limited
+# Label: "COMODO ECC Certification Authority"
+# Serial: 41578283867086692638256921589707938090
+# MD5 Fingerprint: 7c:62:ff:74:9d:31:53:5e:68:4a:d5:78:aa:1e:bf:23
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Certigna O=Dhimyotis
+# Subject: CN=Certigna O=Dhimyotis
+# Label: "Certigna"
+# Serial: 18364802974209362175
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority
+# Subject: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority
+# Label: "ePKI Root Certification Authority"
+# Serial: 28956088682735189655030529057352760477
+# MD5 Fingerprint: 1b:2e:00:ca:26:06:90:3d:ad:fe:6f:15:68:d3:6b:b3
+# SHA1 Fingerprint: 67:65:0d:f1:7e:8e:7e:5b:82:40:a4:f4:56:4b:cf:e2:3d:69:c6:f0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: O=certSIGN OU=certSIGN ROOT CA
+# Subject: O=certSIGN OU=certSIGN ROOT CA
+# Label: "certSIGN ROOT CA"
+# Serial: 35210227249154
+# MD5 Fingerprint: 18:98:c0:d6:e9:3a:fc:f9:b0:f5:0c:f7:4b:01:44:17
+# SHA1 Fingerprint: fa:b7:ee:36:97:26:62:fb:2d:b0:2a:f6:bf:03:fd:e8:7c:4b:2f:9b
+# SHA256 Fingerprint: ea:a9:62:c4:fa:4a:6b:af:eb:e4:15:19:6d:35:1c:cd:88:8d:4f:53:f3:fa:8a:e6:d7:c4:66:a9:4e:60:42:bb
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services)
+# Subject: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services)
+# Label: "NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny"
+# Serial: 80544274841616
+# MD5 Fingerprint: c5:a1:b7:ff:73:dd:d6:d7:34:32:18:df:fc:3c:ad:88
+# SHA1 Fingerprint: 06:08:3f:59:3f:15:a1:04:a0:69:a4:6b:a9:03:d0:06:b7:97:09:91
+# SHA256 Fingerprint: 6c:61:da:c3:a2:de:f0:31:50:6b:e0:36:d2:a6:fe:40:19:94:fb:d1:3d:f9:c8:d4:66:59:92:74:c4:46:ec:98
+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=SecureSign RootCA11 O=Japan Certification Services, Inc.
+# Subject: CN=SecureSign RootCA11 O=Japan Certification Services, Inc.
+# Label: "SecureSign RootCA11"
+# Serial: 1
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd.
+# Subject: CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd.
+# Label: "Microsec e-Szigno Root CA 2009"
+# Serial: 14014712776195784473
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R3
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R3
+# Label: "GlobalSign Root CA - R3"
+# Serial: 4835703278459759426209954
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Autoridad de Certificacion Firmaprofesional CIF A62634068
+# Subject: CN=Autoridad de Certificacion Firmaprofesional CIF A62634068
+# Label: "Autoridad de Certificacion Firmaprofesional CIF A62634068"
+# Serial: 6047274297262753887
+# MD5 Fingerprint: 73:3a:74:7a:ec:bb:a3:96:a6:c2:e4:e2:c8:9b:c0:c3
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Izenpe.com O=IZENPE S.A.
+# Subject: CN=Izenpe.com O=IZENPE S.A.
+# Label: "Izenpe.com"
+# Serial: 917563065490389241595536686991402621
+# MD5 Fingerprint: a6:b0:cd:85:80:da:5c:50:34:a3:39:90:2f:55:67:73
+# SHA1 Fingerprint: 2f:78:3d:25:52:18:a7:4a:65:39:71:b5:2c:a2:9c:45:15:6f:e9:19
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Go Daddy Root Certificate Authority - G2 O=GoDaddy.com, Inc.
+# Subject: CN=Go Daddy Root Certificate Authority - G2 O=GoDaddy.com, Inc.
+# Label: "Go Daddy Root Certificate Authority - G2"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Starfield Root Certificate Authority - G2 O=Starfield Technologies, Inc.
+# Subject: CN=Starfield Root Certificate Authority - G2 O=Starfield Technologies, Inc.
+# Label: "Starfield Root Certificate Authority - G2"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
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+# Issuer: CN=Starfield Services Root Certificate Authority - G2 O=Starfield Technologies, Inc.
+# Subject: CN=Starfield Services Root Certificate Authority - G2 O=Starfield Technologies, Inc.
+# Label: "Starfield Services Root Certificate Authority - G2"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=AffirmTrust Commercial O=AffirmTrust
+# Subject: CN=AffirmTrust Commercial O=AffirmTrust
+# Label: "AffirmTrust Commercial"
+# Serial: 8608355977964138876
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
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+# Issuer: CN=AffirmTrust Networking O=AffirmTrust
+# Subject: CN=AffirmTrust Networking O=AffirmTrust
+# Label: "AffirmTrust Networking"
+# Serial: 8957382827206547757
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
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+# Issuer: CN=AffirmTrust Premium O=AffirmTrust
+# Subject: CN=AffirmTrust Premium O=AffirmTrust
+# Label: "AffirmTrust Premium"
+# Serial: 7893706540734352110
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=AffirmTrust Premium ECC O=AffirmTrust
+# Subject: CN=AffirmTrust Premium ECC O=AffirmTrust
+# Label: "AffirmTrust Premium ECC"
+# Serial: 8401224907861490260
+# MD5 Fingerprint: 64:b0:09:55:cf:b1:d5:99:e2:be:13:ab:a6:5d:ea:4d
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Certum Trusted Network CA O=Unizeto Technologies S.A. OU=Certum Certification Authority
+# Subject: CN=Certum Trusted Network CA O=Unizeto Technologies S.A. OU=Certum Certification Authority
+# Label: "Certum Trusted Network CA"
+# Serial: 279744
+# MD5 Fingerprint: d5:e9:81:40:c5:18:69:fc:46:2c:89:75:62:0f:aa:78
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA
+# Subject: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA
+# Label: "TWCA Root Certification Authority"
+# Serial: 1
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+-----BEGIN CERTIFICATE-----
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+# Issuer: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2
+# Subject: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2
+# Label: "Security Communication RootCA2"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Actalis Authentication Root CA O=Actalis S.p.A./03358520967
+# Subject: CN=Actalis Authentication Root CA O=Actalis S.p.A./03358520967
+# Label: "Actalis Authentication Root CA"
+# Serial: 6271844772424770508
+# MD5 Fingerprint: 69:c1:0d:4f:07:a3:1b:c3:fe:56:3d:04:bc:11:f6:a6
+# SHA1 Fingerprint: f3:73:b3:87:06:5a:28:84:8a:f2:f3:4a:ce:19:2b:dd:c7:8e:9c:ac
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Buypass Class 2 Root CA O=Buypass AS-983163327
+# Subject: CN=Buypass Class 2 Root CA O=Buypass AS-983163327
+# Label: "Buypass Class 2 Root CA"
+# Serial: 2
+# MD5 Fingerprint: 46:a7:d2:fe:45:fb:64:5a:a8:59:90:9b:78:44:9b:29
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Buypass Class 3 Root CA O=Buypass AS-983163327
+# Subject: CN=Buypass Class 3 Root CA O=Buypass AS-983163327
+# Label: "Buypass Class 3 Root CA"
+# Serial: 2
+# MD5 Fingerprint: 3d:3b:18:9e:2c:64:5a:e8:d5:88:ce:0e:f9:37:c2:ec
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=T-TeleSec GlobalRoot Class 3 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Subject: CN=T-TeleSec GlobalRoot Class 3 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Label: "T-TeleSec GlobalRoot Class 3"
+# Serial: 1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=D-TRUST Root Class 3 CA 2 2009 O=D-Trust GmbH
+# Subject: CN=D-TRUST Root Class 3 CA 2 2009 O=D-Trust GmbH
+# Label: "D-TRUST Root Class 3 CA 2 2009"
+# Serial: 623603
+# MD5 Fingerprint: cd:e0:25:69:8d:47:ac:9c:89:35:90:f7:fd:51:3d:2f
+# SHA1 Fingerprint: 58:e8:ab:b0:36:15:33:fb:80:f7:9b:1b:6d:29:d3:ff:8d:5f:00:f0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=D-TRUST Root Class 3 CA 2 EV 2009 O=D-Trust GmbH
+# Subject: CN=D-TRUST Root Class 3 CA 2 EV 2009 O=D-Trust GmbH
+# Label: "D-TRUST Root Class 3 CA 2 EV 2009"
+# Serial: 623604
+# MD5 Fingerprint: aa:c6:43:2c:5e:2d:cd:c4:34:c0:50:4f:11:02:4f:b6
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=CA Disig Root R2 O=Disig a.s.
+# Subject: CN=CA Disig Root R2 O=Disig a.s.
+# Label: "CA Disig Root R2"
+# Serial: 10572350602393338211
+# MD5 Fingerprint: 26:01:fb:d8:27:a7:17:9a:45:54:38:1a:43:01:3b:03
+# SHA1 Fingerprint: b5:61:eb:ea:a4:de:e4:25:4b:69:1a:98:a5:57:47:c2:34:c7:d9:71
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=ACCVRAIZ1 O=ACCV OU=PKIACCV
+# Subject: CN=ACCVRAIZ1 O=ACCV OU=PKIACCV
+# Label: "ACCVRAIZ1"
+# Serial: 6828503384748696800
+# MD5 Fingerprint: d0:a0:5a:ee:05:b6:09:94:21:a1:7d:f1:b2:29:82:02
+# SHA1 Fingerprint: 93:05:7a:88:15:c6:4f:ce:88:2f:fa:91:16:52:28:78:bc:53:64:17
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=TWCA Global Root CA O=TAIWAN-CA OU=Root CA
+# Subject: CN=TWCA Global Root CA O=TAIWAN-CA OU=Root CA
+# Label: "TWCA Global Root CA"
+# Serial: 3262
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=TeliaSonera Root CA v1 O=TeliaSonera
+# Subject: CN=TeliaSonera Root CA v1 O=TeliaSonera
+# Label: "TeliaSonera Root CA v1"
+# Serial: 199041966741090107964904287217786801558
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=T-TeleSec GlobalRoot Class 2 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Subject: CN=T-TeleSec GlobalRoot Class 2 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Label: "T-TeleSec GlobalRoot Class 2"
+# Serial: 1
+# MD5 Fingerprint: 2b:9b:9e:e4:7b:6c:1f:00:72:1a:cc:c1:77:79:df:6a
+# SHA1 Fingerprint: 59:0d:2d:7d:88:4f:40:2e:61:7e:a5:62:32:17:65:cf:17:d8:94:e9
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Atos TrustedRoot 2011 O=Atos
+# Subject: CN=Atos TrustedRoot 2011 O=Atos
+# Label: "Atos TrustedRoot 2011"
+# Serial: 6643877497813316402
+# MD5 Fingerprint: ae:b9:c4:32:4b:ac:7f:5d:66:cc:77:94:bb:2a:77:56
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=QuoVadis Root CA 1 G3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 1 G3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 1 G3"
+# Serial: 687049649626669250736271037606554624078720034195
+# MD5 Fingerprint: a4:bc:5b:3f:fe:37:9a:fa:64:f0:e2:fa:05:3d:0b:ab
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 2 G3"
+# Serial: 390156079458959257446133169266079962026824725800
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=QuoVadis Root CA 3 G3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 3 G3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 3 G3"
+# Serial: 268090761170461462463995952157327242137089239581
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Assured ID Root G2 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Assured ID Root G2 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Assured ID Root G2"
+# Serial: 15385348160840213938643033620894905419
+# MD5 Fingerprint: 92:38:b9:f8:63:24:82:65:2c:57:33:e6:fe:81:8f:9d
+# SHA1 Fingerprint: a1:4b:48:d9:43:ee:0a:0e:40:90:4f:3c:e0:a4:c0:91:93:51:5d:3f
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Assured ID Root G3 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Assured ID Root G3 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Assured ID Root G3"
+# Serial: 15459312981008553731928384953135426796
+# MD5 Fingerprint: 7c:7f:65:31:0c:81:df:8d:ba:3e:99:e2:5c:ad:6e:fb
+# SHA1 Fingerprint: f5:17:a2:4f:9a:48:c6:c9:f8:a2:00:26:9f:dc:0f:48:2c:ab:30:89
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=DigiCert Global Root G2 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Global Root G2 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Global Root G2"
+# Serial: 4293743540046975378534879503202253541
+# MD5 Fingerprint: e4:a6:8a:c8:54:ac:52:42:46:0a:fd:72:48:1b:2a:44
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Global Root G3"
+# Serial: 7089244469030293291760083333884364146
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=DigiCert Trusted Root G4 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Trusted Root G4 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Trusted Root G4"
+# Serial: 7451500558977370777930084869016614236
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=COMODO RSA Certification Authority O=COMODO CA Limited
+# Subject: CN=COMODO RSA Certification Authority O=COMODO CA Limited
+# Label: "COMODO RSA Certification Authority"
+# Serial: 101909084537582093308941363524873193117
+# MD5 Fingerprint: 1b:31:b0:71:40:36:cc:14:36:91:ad:c4:3e:fd:ec:18
+# SHA1 Fingerprint: af:e5:d2:44:a8:d1:19:42:30:ff:47:9f:e2:f8:97:bb:cd:7a:8c:b4
+# SHA256 Fingerprint: 52:f0:e1:c4:e5:8e:c6:29:29:1b:60:31:7f:07:46:71:b8:5d:7e:a8:0d:5b:07:27:34:63:53:4b:32:b4:02:34
+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=USERTrust RSA Certification Authority O=The USERTRUST Network
+# Subject: CN=USERTrust RSA Certification Authority O=The USERTRUST Network
+# Label: "USERTrust RSA Certification Authority"
+# Serial: 2645093764781058787591871645665788717
+# MD5 Fingerprint: 1b:fe:69:d1:91:b7:19:33:a3:72:a8:0f:e1:55:e5:b5
+# SHA1 Fingerprint: 2b:8f:1b:57:33:0d:bb:a2:d0:7a:6c:51:f7:0e:e9:0d:da:b9:ad:8e
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=USERTrust ECC Certification Authority O=The USERTRUST Network
+# Subject: CN=USERTrust ECC Certification Authority O=The USERTRUST Network
+# Label: "USERTrust ECC Certification Authority"
+# Serial: 123013823720199481456569720443997572134
+# MD5 Fingerprint: fa:68:bc:d9:b5:7f:ad:fd:c9:1d:06:83:28:cc:24:c1
+# SHA1 Fingerprint: d1:cb:ca:5d:b2:d5:2a:7f:69:3b:67:4d:e5:f0:5a:1d:0c:95:7d:f0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R5
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R5
+# Label: "GlobalSign ECC Root CA - R5"
+# Serial: 32785792099990507226680698011560947931244
+# MD5 Fingerprint: 9f:ad:3b:1c:02:1e:8a:ba:17:74:38:81:0c:a2:bc:08
+# SHA1 Fingerprint: 1f:24:c6:30:cd:a4:18:ef:20:69:ff:ad:4f:dd:5f:46:3a:1b:69:aa
+# SHA256 Fingerprint: 17:9f:bc:14:8a:3d:d0:0f:d2:4e:a1:34:58:cc:43:bf:a7:f5:9c:81:82:d7:83:a5:13:f6:eb:ec:10:0c:89:24
+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=IdenTrust Public Sector Root CA 1 O=IdenTrust
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+# Label: "IdenTrust Public Sector Root CA 1"
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+# Issuer: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only
+# Subject: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only
+# Label: "Entrust Root Certification Authority - G2"
+# Serial: 1246989352
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+# Issuer: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only
+# Subject: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only
+# Label: "Entrust Root Certification Authority - EC1"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=CFCA EV ROOT O=China Financial Certification Authority
+# Subject: CN=CFCA EV ROOT O=China Financial Certification Authority
+# Label: "CFCA EV ROOT"
+# Serial: 407555286
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+-----BEGIN CERTIFICATE-----
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+# Label: "Hellenic Academic and Research Institutions ECC RootCA 2015"
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+-----BEGIN CERTIFICATE-----
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+# Label: "ISRG Root X1"
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: O=FNMT-RCM OU=AC RAIZ FNMT-RCM
+# Subject: O=FNMT-RCM OU=AC RAIZ FNMT-RCM
+# Label: "AC RAIZ FNMT-RCM"
+# Serial: 485876308206448804701554682760554759
+# MD5 Fingerprint: e2:09:04:b4:d3:bd:d1:a0:14:fd:1a:d2:47:c4:57:1d
+# SHA1 Fingerprint: ec:50:35:07:b2:15:c4:95:62:19:e2:a8:9a:5b:42:99:2c:4c:2c:20
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 1 O=Amazon
+# Subject: CN=Amazon Root CA 1 O=Amazon
+# Label: "Amazon Root CA 1"
+# Serial: 143266978916655856878034712317230054538369994
+# MD5 Fingerprint: 43:c6:bf:ae:ec:fe:ad:2f:18:c6:88:68:30:fc:c8:e6
+# SHA1 Fingerprint: 8d:a7:f9:65:ec:5e:fc:37:91:0f:1c:6e:59:fd:c1:cc:6a:6e:de:16
+# SHA256 Fingerprint: 8e:cd:e6:88:4f:3d:87:b1:12:5b:a3:1a:c3:fc:b1:3d:70:16:de:7f:57:cc:90:4f:e1:cb:97:c6:ae:98:19:6e
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 2 O=Amazon
+# Subject: CN=Amazon Root CA 2 O=Amazon
+# Label: "Amazon Root CA 2"
+# Serial: 143266982885963551818349160658925006970653239
+# MD5 Fingerprint: c8:e5:8d:ce:a8:42:e2:7a:c0:2a:5c:7c:9e:26:bf:66
+# SHA1 Fingerprint: 5a:8c:ef:45:d7:a6:98:59:76:7a:8c:8b:44:96:b5:78:cf:47:4b:1a
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 3 O=Amazon
+# Subject: CN=Amazon Root CA 3 O=Amazon
+# Label: "Amazon Root CA 3"
+# Serial: 143266986699090766294700635381230934788665930
+# MD5 Fingerprint: a0:d4:ef:0b:f7:b5:d8:49:95:2a:ec:f5:c4:fc:81:87
+# SHA1 Fingerprint: 0d:44:dd:8c:3c:8c:1a:1a:58:75:64:81:e9:0f:2e:2a:ff:b3:d2:6e
+# SHA256 Fingerprint: 18:ce:6c:fe:7b:f1:4e:60:b2:e3:47:b8:df:e8:68:cb:31:d0:2e:bb:3a:da:27:15:69:f5:03:43:b4:6d:b3:a4
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 4 O=Amazon
+# Subject: CN=Amazon Root CA 4 O=Amazon
+# Label: "Amazon Root CA 4"
+# Serial: 143266989758080763974105200630763877849284878
+# MD5 Fingerprint: 89:bc:27:d5:eb:17:8d:06:6a:69:d5:fd:89:47:b4:cd
+# SHA1 Fingerprint: f6:10:84:07:d6:f8:bb:67:98:0c:c2:e2:44:c2:eb:ae:1c:ef:63:be
+# SHA256 Fingerprint: e3:5d:28:41:9e:d0:20:25:cf:a6:90:38:cd:62:39:62:45:8d:a5:c6:95:fb:de:a3:c2:2b:0b:fb:25:89:70:92
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM
+# Subject: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM
+# Label: "TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1"
+# Serial: 1
+# MD5 Fingerprint: dc:00:81:dc:69:2f:3e:2f:b0:3b:f6:3d:5a:91:8e:49
+# SHA1 Fingerprint: 31:43:64:9b:ec:ce:27:ec:ed:3a:3f:0b:8f:0d:e4:e8:91:dd:ee:ca
+# SHA256 Fingerprint: 46:ed:c3:68:90:46:d5:3a:45:3f:b3:10:4a:b8:0d:ca:ec:65:8b:26:60:ea:16:29:dd:7e:86:79:90:64:87:16
+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GDCA TrustAUTH R5 ROOT O=GUANG DONG CERTIFICATE AUTHORITY CO.,LTD.
+# Subject: CN=GDCA TrustAUTH R5 ROOT O=GUANG DONG CERTIFICATE AUTHORITY CO.,LTD.
+# Label: "GDCA TrustAUTH R5 ROOT"
+# Serial: 9009899650740120186
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com Root Certification Authority RSA O=SSL Corporation
+# Subject: CN=SSL.com Root Certification Authority RSA O=SSL Corporation
+# Label: "SSL.com Root Certification Authority RSA"
+# Serial: 8875640296558310041
+# MD5 Fingerprint: 86:69:12:c0:70:f1:ec:ac:ac:c2:d5:bc:a5:5b:a1:29
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com Root Certification Authority ECC O=SSL Corporation
+# Subject: CN=SSL.com Root Certification Authority ECC O=SSL Corporation
+# Label: "SSL.com Root Certification Authority ECC"
+# Serial: 8495723813297216424
+# MD5 Fingerprint: 2e:da:e4:39:7f:9c:8f:37:d1:70:9f:26:17:51:3a:8e
+# SHA1 Fingerprint: c3:19:7c:39:24:e6:54:af:1b:c4:ab:20:95:7a:e2:c3:0e:13:02:6a
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=SSL.com EV Root Certification Authority RSA R2 O=SSL Corporation
+# Subject: CN=SSL.com EV Root Certification Authority RSA R2 O=SSL Corporation
+# Label: "SSL.com EV Root Certification Authority RSA R2"
+# Serial: 6248227494352943350
+# MD5 Fingerprint: e1:1e:31:58:1a:ae:54:53:02:f6:17:6a:11:7b:4d:95
+# SHA1 Fingerprint: 74:3a:f0:52:9b:d0:32:a0:f4:4a:83:cd:d4:ba:a9:7b:7c:2e:c4:9a
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com EV Root Certification Authority ECC O=SSL Corporation
+# Subject: CN=SSL.com EV Root Certification Authority ECC O=SSL Corporation
+# Label: "SSL.com EV Root Certification Authority ECC"
+# Serial: 3182246526754555285
+# MD5 Fingerprint: 59:53:22:65:83:42:01:54:c0:ce:42:b9:5a:7c:f2:90
+# SHA1 Fingerprint: 4c:dd:51:a3:d1:f5:20:32:14:b0:c6:c5:32:23:03:91:c7:46:42:6d
+# SHA256 Fingerprint: 22:a2:c1:f7:bd:ed:70:4c:c1:e7:01:b5:f4:08:c3:10:88:0f:e9:56:b5:de:2a:4a:44:f9:9c:87:3a:25:a7:c8
+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R6
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R6
+# Label: "GlobalSign Root CA - R6"
+# Serial: 1417766617973444989252670301619537
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=OISTE WISeKey Global Root GC CA O=WISeKey OU=OISTE Foundation Endorsed
+# Subject: CN=OISTE WISeKey Global Root GC CA O=WISeKey OU=OISTE Foundation Endorsed
+# Label: "OISTE WISeKey Global Root GC CA"
+# Serial: 44084345621038548146064804565436152554
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=UCA Global G2 Root O=UniTrust
+# Subject: CN=UCA Global G2 Root O=UniTrust
+# Label: "UCA Global G2 Root"
+# Serial: 124779693093741543919145257850076631279
+# MD5 Fingerprint: 80:fe:f0:c4:4a:f0:5c:62:32:9f:1c:ba:78:a9:50:f8
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=UCA Extended Validation Root O=UniTrust
+# Subject: CN=UCA Extended Validation Root O=UniTrust
+# Label: "UCA Extended Validation Root"
+# Serial: 106100277556486529736699587978573607008
+# MD5 Fingerprint: a1:f3:5f:43:c6:34:9b:da:bf:8c:7e:05:53:ad:96:e2
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Certigna Root CA O=Dhimyotis OU=0002 48146308100036
+# Subject: CN=Certigna Root CA O=Dhimyotis OU=0002 48146308100036
+# Label: "Certigna Root CA"
+# Serial: 269714418870597844693661054334862075617
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+-----BEGIN CERTIFICATE-----
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+# Subject: CN=emSign Root CA - G1 O=eMudhra Technologies Limited OU=emSign PKI
+# Label: "emSign Root CA - G1"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=emSign ECC Root CA - G3 O=eMudhra Technologies Limited OU=emSign PKI
+# Subject: CN=emSign ECC Root CA - G3 O=eMudhra Technologies Limited OU=emSign PKI
+# Label: "emSign ECC Root CA - G3"
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+# Issuer: CN=emSign Root CA - C1 O=eMudhra Inc OU=emSign PKI
+# Subject: CN=emSign Root CA - C1 O=eMudhra Inc OU=emSign PKI
+# Label: "emSign Root CA - C1"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=emSign ECC Root CA - C3 O=eMudhra Inc OU=emSign PKI
+# Subject: CN=emSign ECC Root CA - C3 O=eMudhra Inc OU=emSign PKI
+# Label: "emSign ECC Root CA - C3"
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+# Issuer: CN=Entrust Root Certification Authority - G4 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only
+# Subject: CN=Entrust Root Certification Authority - G4 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only
+# Label: "Entrust Root Certification Authority - G4"
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Microsoft ECC Root Certificate Authority 2017 O=Microsoft Corporation
+# Subject: CN=Microsoft ECC Root Certificate Authority 2017 O=Microsoft Corporation
+# Label: "Microsoft ECC Root Certificate Authority 2017"
+# Serial: 136839042543790627607696632466672567020
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Microsoft RSA Root Certificate Authority 2017 O=Microsoft Corporation
+# Subject: CN=Microsoft RSA Root Certificate Authority 2017 O=Microsoft Corporation
+# Label: "Microsoft RSA Root Certificate Authority 2017"
+# Serial: 40975477897264996090493496164228220339
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=e-Szigno Root CA 2017 O=Microsec Ltd.
+# Subject: CN=e-Szigno Root CA 2017 O=Microsec Ltd.
+# Label: "e-Szigno Root CA 2017"
+# Serial: 411379200276854331539784714
+# MD5 Fingerprint: de:1f:f6:9e:84:ae:a7:b4:21:ce:1e:58:7d:d1:84:98
+# SHA1 Fingerprint: 89:d4:83:03:4f:9e:9a:48:80:5f:72:37:d4:a9:a6:ef:cb:7c:1f:d1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
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+# Issuer: O=CERTSIGN SA OU=certSIGN ROOT CA G2
+# Subject: O=CERTSIGN SA OU=certSIGN ROOT CA G2
+# Label: "certSIGN Root CA G2"
+# Serial: 313609486401300475190
+# MD5 Fingerprint: 8c:f1:75:8a:c6:19:cf:94:b7:f7:65:20:87:c3:97:c7
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Trustwave Global Certification Authority O=Trustwave Holdings, Inc.
+# Subject: CN=Trustwave Global Certification Authority O=Trustwave Holdings, Inc.
+# Label: "Trustwave Global Certification Authority"
+# Serial: 1846098327275375458322922162
+# MD5 Fingerprint: f8:1c:18:2d:2f:ba:5f:6d:a1:6c:bc:c7:ab:91:c7:0e
+# SHA1 Fingerprint: 2f:8f:36:4f:e1:58:97:44:21:59:87:a5:2a:9a:d0:69:95:26:7f:b5
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Trustwave Global ECC P256 Certification Authority O=Trustwave Holdings, Inc.
+# Subject: CN=Trustwave Global ECC P256 Certification Authority O=Trustwave Holdings, Inc.
+# Label: "Trustwave Global ECC P256 Certification Authority"
+# Serial: 4151900041497450638097112925
+# MD5 Fingerprint: 5b:44:e3:8d:5d:36:86:26:e8:0d:05:d2:59:a7:83:54
+# SHA1 Fingerprint: b4:90:82:dd:45:0c:be:8b:5b:b1:66:d3:e2:a4:08:26:cd:ed:42:cf
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Trustwave Global ECC P384 Certification Authority O=Trustwave Holdings, Inc.
+# Subject: CN=Trustwave Global ECC P384 Certification Authority O=Trustwave Holdings, Inc.
+# Label: "Trustwave Global ECC P384 Certification Authority"
+# Serial: 2704997926503831671788816187
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=NAVER Global Root Certification Authority O=NAVER BUSINESS PLATFORM Corp.
+# Subject: CN=NAVER Global Root Certification Authority O=NAVER BUSINESS PLATFORM Corp.
+# Label: "NAVER Global Root Certification Authority"
+# Serial: 9013692873798656336226253319739695165984492813
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres
+# Subject: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres
+# Label: "AC RAIZ FNMT-RCM SERVIDORES SEGUROS"
+# Serial: 131542671362353147877283741781055151509
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=GlobalSign Root R46 O=GlobalSign nv-sa
+# Subject: CN=GlobalSign Root R46 O=GlobalSign nv-sa
+# Label: "GlobalSign Root R46"
+# Serial: 1552617688466950547958867513931858518042577
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=GlobalSign Root E46 O=GlobalSign nv-sa
+# Subject: CN=GlobalSign Root E46 O=GlobalSign nv-sa
+# Label: "GlobalSign Root E46"
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GLOBALTRUST 2020 O=e-commerce monitoring GmbH
+# Subject: CN=GLOBALTRUST 2020 O=e-commerce monitoring GmbH
+# Label: "GLOBALTRUST 2020"
+# Serial: 109160994242082918454945253
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=ANF Secure Server Root CA O=ANF Autoridad de Certificacion OU=ANF CA Raiz
+# Subject: CN=ANF Secure Server Root CA O=ANF Autoridad de Certificacion OU=ANF CA Raiz
+# Label: "ANF Secure Server Root CA"
+# Serial: 996390341000653745
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Certum EC-384 CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Subject: CN=Certum EC-384 CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Label: "Certum EC-384 CA"
+# Serial: 160250656287871593594747141429395092468
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Subject: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Label: "Certum Trusted Root CA"
+# Serial: 40870380103424195783807378461123655149
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=TunTrust Root CA O=Agence Nationale de Certification Electronique
+# Subject: CN=TunTrust Root CA O=Agence Nationale de Certification Electronique
+# Label: "TunTrust Root CA"
+# Serial: 108534058042236574382096126452369648152337120275
+# MD5 Fingerprint: 85:13:b9:90:5b:36:5c:b6:5e:b8:5a:f8:e0:31:57:b4
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=HARICA TLS RSA Root CA 2021 O=Hellenic Academic and Research Institutions CA
+# Subject: CN=HARICA TLS RSA Root CA 2021 O=Hellenic Academic and Research Institutions CA
+# Label: "HARICA TLS RSA Root CA 2021"
+# Serial: 76817823531813593706434026085292783742
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+-----BEGIN CERTIFICATE-----
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+# Subject: CN=HARICA TLS ECC Root CA 2021 O=Hellenic Academic and Research Institutions CA
+# Label: "HARICA TLS ECC Root CA 2021"
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+# Subject: CN=Autoridad de Certificacion Firmaprofesional CIF A62634068
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+# Subject: CN=vTrus ECC Root CA O=iTrusChina Co.,Ltd.
+# Label: "vTrus ECC Root CA"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=vTrus Root CA O=iTrusChina Co.,Ltd.
+# Subject: CN=vTrus Root CA O=iTrusChina Co.,Ltd.
+# Label: "vTrus Root CA"
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+# Label: "ISRG Root X2"
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+-----BEGIN CERTIFICATE-----
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+# Subject: CN=HiPKI Root CA - G1 O=Chunghwa Telecom Co., Ltd.
+# Label: "HiPKI Root CA - G1"
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R4
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R4
+# Label: "GlobalSign ECC Root CA - R4"
+# Serial: 159662223612894884239637590694
+# MD5 Fingerprint: 26:29:f8:6d:e1:88:bf:a2:65:7f:aa:c4:cd:0f:7f:fc
+# SHA1 Fingerprint: 6b:a0:b0:98:e1:71:ef:5a:ad:fe:48:15:80:77:10:f4:bd:6f:0b:28
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GTS Root R1 O=Google Trust Services LLC
+# Subject: CN=GTS Root R1 O=Google Trust Services LLC
+# Label: "GTS Root R1"
+# Serial: 159662320309726417404178440727
+# MD5 Fingerprint: 05:fe:d0:bf:71:a8:a3:76:63:da:01:e0:d8:52:dc:40
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GTS Root R2 O=Google Trust Services LLC
+# Subject: CN=GTS Root R2 O=Google Trust Services LLC
+# Label: "GTS Root R2"
+# Serial: 159662449406622349769042896298
+# MD5 Fingerprint: 1e:39:c0:53:e6:1e:29:82:0b:ca:52:55:36:5d:57:dc
+# SHA1 Fingerprint: 9a:44:49:76:32:db:de:fa:d0:bc:fb:5a:7b:17:bd:9e:56:09:24:94
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GTS Root R3 O=Google Trust Services LLC
+# Subject: CN=GTS Root R3 O=Google Trust Services LLC
+# Label: "GTS Root R3"
+# Serial: 159662495401136852707857743206
+# MD5 Fingerprint: 3e:e7:9d:58:02:94:46:51:94:e5:e0:22:4a:8b:e7:73
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GTS Root R4 O=Google Trust Services LLC
+# Subject: CN=GTS Root R4 O=Google Trust Services LLC
+# Label: "GTS Root R4"
+# Serial: 159662532700760215368942768210
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Telia Root CA v2 O=Telia Finland Oyj
+# Subject: CN=Telia Root CA v2 O=Telia Finland Oyj
+# Label: "Telia Root CA v2"
+# Serial: 7288924052977061235122729490515358
+# MD5 Fingerprint: 0e:8f:ac:aa:82:df:85:b1:f4:dc:10:1c:fc:99:d9:48
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=D-TRUST BR Root CA 1 2020 O=D-Trust GmbH
+# Subject: CN=D-TRUST BR Root CA 1 2020 O=D-Trust GmbH
+# Label: "D-TRUST BR Root CA 1 2020"
+# Serial: 165870826978392376648679885835942448534
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=D-TRUST EV Root CA 1 2020 O=D-Trust GmbH
+# Subject: CN=D-TRUST EV Root CA 1 2020 O=D-Trust GmbH
+# Label: "D-TRUST EV Root CA 1 2020"
+# Serial: 126288379621884218666039612629459926992
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=DigiCert TLS ECC P384 Root G5 O=DigiCert, Inc.
+# Subject: CN=DigiCert TLS ECC P384 Root G5 O=DigiCert, Inc.
+# Label: "DigiCert TLS ECC P384 Root G5"
+# Serial: 13129116028163249804115411775095713523
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=DigiCert TLS RSA4096 Root G5 O=DigiCert, Inc.
+# Subject: CN=DigiCert TLS RSA4096 Root G5 O=DigiCert, Inc.
+# Label: "DigiCert TLS RSA4096 Root G5"
+# Serial: 11930366277458970227240571539258396554
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Certainly Root R1 O=Certainly
+# Subject: CN=Certainly Root R1 O=Certainly
+# Label: "Certainly Root R1"
+# Serial: 188833316161142517227353805653483829216
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Certainly Root E1 O=Certainly
+# Subject: CN=Certainly Root E1 O=Certainly
+# Label: "Certainly Root E1"
+# Serial: 8168531406727139161245376702891150584
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Security Communication RootCA3 O=SECOM Trust Systems CO.,LTD.
+# Subject: CN=Security Communication RootCA3 O=SECOM Trust Systems CO.,LTD.
+# Label: "Security Communication RootCA3"
+# Serial: 16247922307909811815
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Security Communication ECC RootCA1 O=SECOM Trust Systems CO.,LTD.
+# Subject: CN=Security Communication ECC RootCA1 O=SECOM Trust Systems CO.,LTD.
+# Label: "Security Communication ECC RootCA1"
+# Serial: 15446673492073852651
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=BJCA Global Root CA1 O=BEIJING CERTIFICATE AUTHORITY
+# Subject: CN=BJCA Global Root CA1 O=BEIJING CERTIFICATE AUTHORITY
+# Label: "BJCA Global Root CA1"
+# Serial: 113562791157148395269083148143378328608
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=BJCA Global Root CA2 O=BEIJING CERTIFICATE AUTHORITY
+# Subject: CN=BJCA Global Root CA2 O=BEIJING CERTIFICATE AUTHORITY
+# Label: "BJCA Global Root CA2"
+# Serial: 58605626836079930195615843123109055211
+# MD5 Fingerprint: 5e:0a:f6:47:5f:a6:14:e8:11:01:95:3f:4d:01:eb:3c
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Sectigo Public Server Authentication Root E46 O=Sectigo Limited
+# Subject: CN=Sectigo Public Server Authentication Root E46 O=Sectigo Limited
+# Label: "Sectigo Public Server Authentication Root E46"
+# Serial: 88989738453351742415770396670917916916
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Sectigo Public Server Authentication Root R46 O=Sectigo Limited
+# Subject: CN=Sectigo Public Server Authentication Root R46 O=Sectigo Limited
+# Label: "Sectigo Public Server Authentication Root R46"
+# Serial: 156256931880233212765902055439220583700
+# MD5 Fingerprint: 32:10:09:52:00:d5:7e:6c:43:df:15:c0:b1:16:93:e5
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com TLS RSA Root CA 2022 O=SSL Corporation
+# Subject: CN=SSL.com TLS RSA Root CA 2022 O=SSL Corporation
+# Label: "SSL.com TLS RSA Root CA 2022"
+# Serial: 148535279242832292258835760425842727825
+# MD5 Fingerprint: d8:4e:c6:59:30:d8:fe:a0:d6:7a:5a:2c:2c:69:78:da
+# SHA1 Fingerprint: ec:2c:83:40:72:af:26:95:10:ff:0e:f2:03:ee:31:70:f6:78:9d:ca
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com TLS ECC Root CA 2022 O=SSL Corporation
+# Subject: CN=SSL.com TLS ECC Root CA 2022 O=SSL Corporation
+# Label: "SSL.com TLS ECC Root CA 2022"
+# Serial: 26605119622390491762507526719404364228
+# MD5 Fingerprint: 99:d7:5c:f1:51:36:cc:e9:ce:d9:19:2e:77:71:56:c5
+# SHA1 Fingerprint: 9f:5f:d9:1a:54:6d:f5:0c:71:f0:ee:7a:bd:17:49:98:84:73:e2:39
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Atos TrustedRoot Root CA ECC TLS 2021 O=Atos
+# Subject: CN=Atos TrustedRoot Root CA ECC TLS 2021 O=Atos
+# Label: "Atos TrustedRoot Root CA ECC TLS 2021"
+# Serial: 81873346711060652204712539181482831616
+# MD5 Fingerprint: 16:9f:ad:f1:70:ad:79:d6:ed:29:b4:d1:c5:79:70:a8
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Atos TrustedRoot Root CA RSA TLS 2021 O=Atos
+# Subject: CN=Atos TrustedRoot Root CA RSA TLS 2021 O=Atos
+# Label: "Atos TrustedRoot Root CA RSA TLS 2021"
+# Serial: 111436099570196163832749341232207667876
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+-----END CERTIFICATE-----
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/core.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/core.py
new file mode 100644
index 00000000..c3e54660
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/core.py
@@ -0,0 +1,108 @@
+"""
+certifi.py
+~~~~~~~~~~
+
+This module returns the installation location of cacert.pem or its contents.
+"""
+import sys
+
+
+if sys.version_info >= (3, 11):
+
+    from importlib.resources import as_file, files
+
+    _CACERT_CTX = None
+    _CACERT_PATH = None
+
+    def where() -> str:
+        # This is slightly terrible, but we want to delay extracting the file
+        # in cases where we're inside of a zipimport situation until someone
+        # actually calls where(), but we don't want to re-extract the file
+        # on every call of where(), so we'll do it once then store it in a
+        # global variable.
+        global _CACERT_CTX
+        global _CACERT_PATH
+        if _CACERT_PATH is None:
+            # This is slightly janky, the importlib.resources API wants you to
+            # manage the cleanup of this file, so it doesn't actually return a
+            # path, it returns a context manager that will give you the path
+            # when you enter it and will do any cleanup when you leave it. In
+            # the common case of not needing a temporary file, it will just
+            # return the file system location and the __exit__() is a no-op.
+            #
+            # We also have to hold onto the actual context manager, because
+            # it will do the cleanup whenever it gets garbage collected, so
+            # we will also store that at the global level as well.
+            _CACERT_CTX = as_file(files("pip._vendor.certifi").joinpath("cacert.pem"))
+            _CACERT_PATH = str(_CACERT_CTX.__enter__())
+
+        return _CACERT_PATH
+
+    def contents() -> str:
+        return files("pip._vendor.certifi").joinpath("cacert.pem").read_text(encoding="ascii")
+
+elif sys.version_info >= (3, 7):
+
+    from importlib.resources import path as get_path, read_text
+
+    _CACERT_CTX = None
+    _CACERT_PATH = None
+
+    def where() -> str:
+        # This is slightly terrible, but we want to delay extracting the
+        # file in cases where we're inside of a zipimport situation until
+        # someone actually calls where(), but we don't want to re-extract
+        # the file on every call of where(), so we'll do it once then store
+        # it in a global variable.
+        global _CACERT_CTX
+        global _CACERT_PATH
+        if _CACERT_PATH is None:
+            # This is slightly janky, the importlib.resources API wants you
+            # to manage the cleanup of this file, so it doesn't actually
+            # return a path, it returns a context manager that will give
+            # you the path when you enter it and will do any cleanup when
+            # you leave it. In the common case of not needing a temporary
+            # file, it will just return the file system location and the
+            # __exit__() is a no-op.
+            #
+            # We also have to hold onto the actual context manager, because
+            # it will do the cleanup whenever it gets garbage collected, so
+            # we will also store that at the global level as well.
+            _CACERT_CTX = get_path("pip._vendor.certifi", "cacert.pem")
+            _CACERT_PATH = str(_CACERT_CTX.__enter__())
+
+        return _CACERT_PATH
+
+    def contents() -> str:
+        return read_text("pip._vendor.certifi", "cacert.pem", encoding="ascii")
+
+else:
+    import os
+    import types
+    from typing import Union
+
+    Package = Union[types.ModuleType, str]
+    Resource = Union[str, "os.PathLike"]
+
+    # This fallback will work for Python versions prior to 3.7 that lack the
+    # importlib.resources module but relies on the existing `where` function
+    # so won't address issues with environments like PyOxidizer that don't set
+    # __file__ on modules.
+    def read_text(
+        package: Package,
+        resource: Resource,
+        encoding: str = 'utf-8',
+        errors: str = 'strict'
+    ) -> str:
+        with open(where(), encoding=encoding) as data:
+            return data.read()
+
+    # If we don't have importlib.resources, then we will just do the old logic
+    # of assuming we're on the filesystem and munge the path directly.
+    def where() -> str:
+        f = os.path.dirname(__file__)
+
+        return os.path.join(f, "cacert.pem")
+
+    def contents() -> str:
+        return read_text("pip._vendor.certifi", "cacert.pem", encoding="ascii")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/certifi/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/__init__.py
new file mode 100644
index 00000000..fe581623
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/__init__.py
@@ -0,0 +1,115 @@
+######################## BEGIN LICENSE BLOCK ########################
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import List, Union
+
+from .charsetgroupprober import CharSetGroupProber
+from .charsetprober import CharSetProber
+from .enums import InputState
+from .resultdict import ResultDict
+from .universaldetector import UniversalDetector
+from .version import VERSION, __version__
+
+__all__ = ["UniversalDetector", "detect", "detect_all", "__version__", "VERSION"]
+
+
+def detect(
+    byte_str: Union[bytes, bytearray], should_rename_legacy: bool = False
+) -> ResultDict:
+    """
+    Detect the encoding of the given byte string.
+
+    :param byte_str:     The byte sequence to examine.
+    :type byte_str:      ``bytes`` or ``bytearray``
+    :param should_rename_legacy:  Should we rename legacy encodings
+                                  to their more modern equivalents?
+    :type should_rename_legacy:   ``bool``
+    """
+    if not isinstance(byte_str, bytearray):
+        if not isinstance(byte_str, bytes):
+            raise TypeError(
+                f"Expected object of type bytes or bytearray, got: {type(byte_str)}"
+            )
+        byte_str = bytearray(byte_str)
+    detector = UniversalDetector(should_rename_legacy=should_rename_legacy)
+    detector.feed(byte_str)
+    return detector.close()
+
+
+def detect_all(
+    byte_str: Union[bytes, bytearray],
+    ignore_threshold: bool = False,
+    should_rename_legacy: bool = False,
+) -> List[ResultDict]:
+    """
+    Detect all the possible encodings of the given byte string.
+
+    :param byte_str:          The byte sequence to examine.
+    :type byte_str:           ``bytes`` or ``bytearray``
+    :param ignore_threshold:  Include encodings that are below
+                              ``UniversalDetector.MINIMUM_THRESHOLD``
+                              in results.
+    :type ignore_threshold:   ``bool``
+    :param should_rename_legacy:  Should we rename legacy encodings
+                                  to their more modern equivalents?
+    :type should_rename_legacy:   ``bool``
+    """
+    if not isinstance(byte_str, bytearray):
+        if not isinstance(byte_str, bytes):
+            raise TypeError(
+                f"Expected object of type bytes or bytearray, got: {type(byte_str)}"
+            )
+        byte_str = bytearray(byte_str)
+
+    detector = UniversalDetector(should_rename_legacy=should_rename_legacy)
+    detector.feed(byte_str)
+    detector.close()
+
+    if detector.input_state == InputState.HIGH_BYTE:
+        results: List[ResultDict] = []
+        probers: List[CharSetProber] = []
+        for prober in detector.charset_probers:
+            if isinstance(prober, CharSetGroupProber):
+                probers.extend(p for p in prober.probers)
+            else:
+                probers.append(prober)
+        for prober in probers:
+            if ignore_threshold or prober.get_confidence() > detector.MINIMUM_THRESHOLD:
+                charset_name = prober.charset_name or ""
+                lower_charset_name = charset_name.lower()
+                # Use Windows encoding name instead of ISO-8859 if we saw any
+                # extra Windows-specific bytes
+                if lower_charset_name.startswith("iso-8859") and detector.has_win_bytes:
+                    charset_name = detector.ISO_WIN_MAP.get(
+                        lower_charset_name, charset_name
+                    )
+                # Rename legacy encodings with superset encodings if asked
+                if should_rename_legacy:
+                    charset_name = detector.LEGACY_MAP.get(
+                        charset_name.lower(), charset_name
+                    )
+                results.append(
+                    {
+                        "encoding": charset_name,
+                        "confidence": prober.get_confidence(),
+                        "language": prober.language,
+                    }
+                )
+        if len(results) > 0:
+            return sorted(results, key=lambda result: -result["confidence"])
+
+    return [detector.result]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/__pycache__/__init__.cpython-311.pyc
new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/big5freq.py
@@ -0,0 +1,386 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+# Big5 frequency table
+# by Taiwan's Mandarin Promotion Council
+# <http://www.edu.tw:81/mandr/>
+#
+# 128  --> 0.42261
+# 256  --> 0.57851
+# 512  --> 0.74851
+# 1024 --> 0.89384
+# 2048 --> 0.97583
+#
+# Ideal Distribution Ratio = 0.74851/(1-0.74851) =2.98
+# Random Distribution Ration = 512/(5401-512)=0.105
+#
+# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR
+
+BIG5_TYPICAL_DISTRIBUTION_RATIO = 0.75
+
+# Char to FreqOrder table
+BIG5_TABLE_SIZE = 5376
+# fmt: off
+BIG5_CHAR_TO_FREQ_ORDER = (
+   1,1801,1506, 255,1431, 198,   9,  82,   6,5008, 177, 202,3681,1256,2821, 110, #   16
+3814,  33,3274, 261,  76,  44,2114,  16,2946,2187,1176, 659,3971,  26,3451,2653, #   32
+1198,3972,3350,4202, 410,2215, 302, 590, 361,1964,   8, 204,  58,4510,5009,1932, #   48
+  63,5010,5011, 317,1614,  75, 222, 159,4203,2417,1480,5012,3555,3091, 224,2822, #   64
+3682,   3,  10,3973,1471,  29,2787,1135,2866,1940, 873, 130,3275,1123, 312,5013, #   80
+4511,2052, 507, 252, 682,5014, 142,1915, 124, 206,2947,  34,3556,3204,  64, 604, #   96
+5015,2501,1977,1978, 155,1991, 645, 641,1606,5016,3452, 337,  72, 406,5017,  80, #  112
+ 630, 238,3205,1509, 263, 939,1092,2654, 756,1440,1094,3453, 449,  69,2987, 591, #  128
+ 179,2096, 471, 115,2035,1844,  60,  50,2988, 134, 806,1869, 734,2036,3454, 180, #  144
+ 995,1607, 156, 537,2907, 688,5018, 319,1305, 779,2145, 514,2379, 298,4512, 359, #  160
+2502,  90,2716,1338, 663,  11, 906,1099,2553,  20,2441, 182, 532,1716,5019, 732, #  176
+1376,4204,1311,1420,3206,  25,2317,1056, 113, 399, 382,1950, 242,3455,2474, 529, #  192
+3276, 475,1447,3683,5020, 117,  21, 656, 810,1297,2300,2334,3557,5021, 126,4205, #  208
+ 706, 456, 150, 613,4513,  71,1118,2037,4206, 145,3092,  85, 835, 486,2115,1246, #  224
+1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,5022,2128,2359, 347,3815, 221, #  240
+3558,3135,5023,1956,1153,4207,  83, 296,1199,3093, 192, 624,  93,5024, 822,1898, #  256
+2823,3136, 795,2065, 991,1554,1542,1592,  27,  43,2867, 859, 139,1456, 860,4514, #  272
+ 437, 712,3974, 164,2397,3137, 695, 211,3037,2097, 195,3975,1608,3559,3560,3684, #  288
+3976, 234, 811,2989,2098,3977,2233,1441,3561,1615,2380, 668,2077,1638, 305, 228, #  304
+1664,4515, 467, 415,5025, 262,2099,1593, 239, 108, 300, 200,1033, 512,1247,2078, #  320
+5026,5027,2176,3207,3685,2682, 593, 845,1062,3277,  88,1723,2038,3978,1951, 212, #  336
+ 266, 152, 149, 468,1899,4208,4516,  77, 187,5028,3038,  37,   5,2990,5029,3979, #  352
+5030,5031,  39,2524,4517,2908,3208,2079,  55, 148,  74,4518, 545, 483,1474,1029, #  368
+1665, 217,1870,1531,3138,1104,2655,4209,  24, 172,3562, 900,3980,3563,3564,4519, #  384
+  32,1408,2824,1312, 329, 487,2360,2251,2717, 784,2683,   4,3039,3351,1427,1789, #  400
+ 188, 109, 499,5032,3686,1717,1790, 888,1217,3040,4520,5033,3565,5034,3352,1520, #  416
+3687,3981, 196,1034, 775,5035,5036, 929,1816, 249, 439,  38,5037,1063,5038, 794, #  432
+3982,1435,2301,  46, 178,3278,2066,5039,2381,5040, 214,1709,4521, 804,  35, 707, #  448
+ 324,3688,1601,2554, 140, 459,4210,5041,5042,1365, 839, 272, 978,2262,2580,3456, #  464
+2129,1363,3689,1423, 697, 100,3094,  48,  70,1231, 495,3139,2196,5043,1294,5044, #  480
+2080, 462, 586,1042,3279, 853, 256, 988, 185,2382,3457,1698, 434,1084,5045,3458, #  496
+ 314,2625,2788,4522,2335,2336, 569,2285, 637,1817,2525, 757,1162,1879,1616,3459, #  512
+ 287,1577,2116, 768,4523,1671,2868,3566,2526,1321,3816, 909,2418,5046,4211, 933, #  528
+3817,4212,2053,2361,1222,4524, 765,2419,1322, 786,4525,5047,1920,1462,1677,2909, #  544
+1699,5048,4526,1424,2442,3140,3690,2600,3353,1775,1941,3460,3983,4213, 309,1369, #  560
+1130,2825, 364,2234,1653,1299,3984,3567,3985,3986,2656, 525,1085,3041, 902,2001, #  576
+1475, 964,4527, 421,1845,1415,1057,2286, 940,1364,3141, 376,4528,4529,1381,   7, #  592
+2527, 983,2383, 336,1710,2684,1846, 321,3461, 559,1131,3042,2752,1809,1132,1313, #  608
+ 265,1481,1858,5049, 352,1203,2826,3280, 167,1089, 420,2827, 776, 792,1724,3568, #  624
+4214,2443,3281,5050,4215,5051, 446, 229, 333,2753, 901,3818,1200,1557,4530,2657, #  640
+1921, 395,2754,2685,3819,4216,1836, 125, 916,3209,2626,4531,5052,5053,3820,5054, #  656
+5055,5056,4532,3142,3691,1133,2555,1757,3462,1510,2318,1409,3569,5057,2146, 438, #  672
+2601,2910,2384,3354,1068, 958,3043, 461, 311,2869,2686,4217,1916,3210,4218,1979, #  688
+ 383, 750,2755,2627,4219, 274, 539, 385,1278,1442,5058,1154,1965, 384, 561, 210, #  704
+  98,1295,2556,3570,5059,1711,2420,1482,3463,3987,2911,1257, 129,5060,3821, 642, #  720
+ 523,2789,2790,2658,5061, 141,2235,1333,  68, 176, 441, 876, 907,4220, 603,2602, #  736
+ 710, 171,3464, 404, 549,  18,3143,2398,1410,3692,1666,5062,3571,4533,2912,4534, #  752
+5063,2991, 368,5064, 146, 366,  99, 871,3693,1543, 748, 807,1586,1185,  22,2263, #  768
+ 379,3822,3211,5065,3212, 505,1942,2628,1992,1382,2319,5066, 380,2362, 218, 702, #  784
+1818,1248,3465,3044,3572,3355,3282,5067,2992,3694, 930,3283,3823,5068,  59,5069, #  800
+ 585, 601,4221, 497,3466,1112,1314,4535,1802,5070,1223,1472,2177,5071, 749,1837, #  816
+ 690,1900,3824,1773,3988,1476, 429,1043,1791,2236,2117, 917,4222, 447,1086,1629, #  832
+5072, 556,5073,5074,2021,1654, 844,1090, 105, 550, 966,1758,2828,1008,1783, 686, #  848
+1095,5075,2287, 793,1602,5076,3573,2603,4536,4223,2948,2302,4537,3825, 980,2503, #  864
+ 544, 353, 527,4538, 908,2687,2913,5077, 381,2629,1943,1348,5078,1341,1252, 560, #  880
+3095,5079,3467,2870,5080,2054, 973, 886,2081, 143,4539,5081,5082, 157,3989, 496, #  896
+4224,  57, 840, 540,2039,4540,4541,3468,2118,1445, 970,2264,1748,1966,2082,4225, #  912
+3144,1234,1776,3284,2829,3695, 773,1206,2130,1066,2040,1326,3990,1738,1725,4226, #  928
+ 279,3145,  51,1544,2604, 423,1578,2131,2067, 173,4542,1880,5083,5084,1583, 264, #  944
+ 610,3696,4543,2444, 280, 154,5085,5086,5087,1739, 338,1282,3096, 693,2871,1411, #  960
+1074,3826,2445,5088,4544,5089,5090,1240, 952,2399,5091,2914,1538,2688, 685,1483, #  976
+4227,2475,1436, 953,4228,2055,4545, 671,2400,  79,4229,2446,3285, 608, 567,2689, #  992
+3469,4230,4231,1691, 393,1261,1792,2401,5092,4546,5093,5094,5095,5096,1383,1672, # 1008
+3827,3213,1464, 522,1119, 661,1150, 216, 675,4547,3991,1432,3574, 609,4548,2690, # 1024
+2402,5097,5098,5099,4232,3045,   0,5100,2476, 315, 231,2447, 301,3356,4549,2385, # 1040
+5101, 233,4233,3697,1819,4550,4551,5102,  96,1777,1315,2083,5103, 257,5104,1810, # 1056
+3698,2718,1139,1820,4234,2022,1124,2164,2791,1778,2659,5105,3097, 363,1655,3214, # 1072
+5106,2993,5107,5108,5109,3992,1567,3993, 718, 103,3215, 849,1443, 341,3357,2949, # 1088
+1484,5110,1712, 127,  67, 339,4235,2403, 679,1412, 821,5111,5112, 834, 738, 351, # 1104
+2994,2147, 846, 235,1497,1881, 418,1993,3828,2719, 186,1100,2148,2756,3575,1545, # 1120
+1355,2950,2872,1377, 583,3994,4236,2581,2995,5113,1298,3699,1078,2557,3700,2363, # 1136
+  78,3829,3830, 267,1289,2100,2002,1594,4237, 348, 369,1274,2197,2178,1838,4552, # 1152
+1821,2830,3701,2757,2288,2003,4553,2951,2758, 144,3358, 882,4554,3995,2759,3470, # 1168
+4555,2915,5114,4238,1726, 320,5115,3996,3046, 788,2996,5116,2831,1774,1327,2873, # 1184
+3997,2832,5117,1306,4556,2004,1700,3831,3576,2364,2660, 787,2023, 506, 824,3702, # 1200
+ 534, 323,4557,1044,3359,2024,1901, 946,3471,5118,1779,1500,1678,5119,1882,4558, # 1216
+ 165, 243,4559,3703,2528, 123, 683,4239, 764,4560,  36,3998,1793, 589,2916, 816, # 1232
+ 626,1667,3047,2237,1639,1555,1622,3832,3999,5120,4000,2874,1370,1228,1933, 891, # 1248
+2084,2917, 304,4240,5121, 292,2997,2720,3577, 691,2101,4241,1115,4561, 118, 662, # 1264
+5122, 611,1156, 854,2386,1316,2875,   2, 386, 515,2918,5123,5124,3286, 868,2238, # 1280
+1486, 855,2661, 785,2216,3048,5125,1040,3216,3578,5126,3146, 448,5127,1525,5128, # 1296
+2165,4562,5129,3833,5130,4242,2833,3579,3147, 503, 818,4001,3148,1568, 814, 676, # 1312
+1444, 306,1749,5131,3834,1416,1030, 197,1428, 805,2834,1501,4563,5132,5133,5134, # 1328
+1994,5135,4564,5136,5137,2198,  13,2792,3704,2998,3149,1229,1917,5138,3835,2132, # 1344
+5139,4243,4565,2404,3580,5140,2217,1511,1727,1120,5141,5142, 646,3836,2448, 307, # 1360
+5143,5144,1595,3217,5145,5146,5147,3705,1113,1356,4002,1465,2529,2530,5148, 519, # 1376
+5149, 128,2133,  92,2289,1980,5150,4003,1512, 342,3150,2199,5151,2793,2218,1981, # 1392
+3360,4244, 290,1656,1317, 789, 827,2365,5152,3837,4566, 562, 581,4004,5153, 401, # 1408
+4567,2252,  94,4568,5154,1399,2794,5155,1463,2025,4569,3218,1944,5156, 828,1105, # 1424
+4245,1262,1394,5157,4246, 605,4570,5158,1784,2876,5159,2835, 819,2102, 578,2200, # 1440
+2952,5160,1502, 436,3287,4247,3288,2836,4005,2919,3472,3473,5161,2721,2320,5162, # 1456
+5163,2337,2068,  23,4571, 193, 826,3838,2103, 699,1630,4248,3098, 390,1794,1064, # 1472
+3581,5164,1579,3099,3100,1400,5165,4249,1839,1640,2877,5166,4572,4573, 137,4250, # 1488
+ 598,3101,1967, 780, 104, 974,2953,5167, 278, 899, 253, 402, 572, 504, 493,1339, # 1504
+5168,4006,1275,4574,2582,2558,5169,3706,3049,3102,2253, 565,1334,2722, 863,  41, # 1520
+5170,5171,4575,5172,1657,2338,  19, 463,2760,4251, 606,5173,2999,3289,1087,2085, # 1536
+1323,2662,3000,5174,1631,1623,1750,4252,2691,5175,2878, 791,2723,2663,2339, 232, # 1552
+2421,5176,3001,1498,5177,2664,2630, 755,1366,3707,3290,3151,2026,1609, 119,1918, # 1568
+3474, 862,1026,4253,5178,4007,3839,4576,4008,4577,2265,1952,2477,5179,1125, 817, # 1584
+4254,4255,4009,1513,1766,2041,1487,4256,3050,3291,2837,3840,3152,5180,5181,1507, # 1600
+5182,2692, 733,  40,1632,1106,2879, 345,4257, 841,2531, 230,4578,3002,1847,3292, # 1616
+3475,5183,1263, 986,3476,5184, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562, # 1632
+4010,4011,2954, 967,2761,2665,1349, 592,2134,1692,3361,3003,1995,4258,1679,4012, # 1648
+1902,2188,5185, 739,3708,2724,1296,1290,5186,4259,2201,2202,1922,1563,2605,2559, # 1664
+1871,2762,3004,5187, 435,5188, 343,1108, 596,  17,1751,4579,2239,3477,3709,5189, # 1680
+4580, 294,3582,2955,1693, 477, 979, 281,2042,3583, 643,2043,3710,2631,2795,2266, # 1696
+1031,2340,2135,2303,3584,4581, 367,1249,2560,5190,3585,5191,4582,1283,3362,2005, # 1712
+ 240,1762,3363,4583,4584, 836,1069,3153, 474,5192,2149,2532, 268,3586,5193,3219, # 1728
+1521,1284,5194,1658,1546,4260,5195,3587,3588,5196,4261,3364,2693,1685,4262, 961, # 1744
+1673,2632, 190,2006,2203,3841,4585,4586,5197, 570,2504,3711,1490,5198,4587,2633, # 1760
+3293,1957,4588, 584,1514, 396,1045,1945,5199,4589,1968,2449,5200,5201,4590,4013, # 1776
+ 619,5202,3154,3294, 215,2007,2796,2561,3220,4591,3221,4592, 763,4263,3842,4593, # 1792
+5203,5204,1958,1767,2956,3365,3712,1174, 452,1477,4594,3366,3155,5205,2838,1253, # 1808
+2387,2189,1091,2290,4264, 492,5206, 638,1169,1825,2136,1752,4014, 648, 926,1021, # 1824
+1324,4595, 520,4596, 997, 847,1007, 892,4597,3843,2267,1872,3713,2405,1785,4598, # 1840
+1953,2957,3103,3222,1728,4265,2044,3714,4599,2008,1701,3156,1551,  30,2268,4266, # 1856
+5207,2027,4600,3589,5208, 501,5209,4267, 594,3478,2166,1822,3590,3479,3591,3223, # 1872
+ 829,2839,4268,5210,1680,3157,1225,4269,5211,3295,4601,4270,3158,2341,5212,4602, # 1888
+4271,5213,4015,4016,5214,1848,2388,2606,3367,5215,4603, 374,4017, 652,4272,4273, # 1904
+ 375,1140, 798,5216,5217,5218,2366,4604,2269, 546,1659, 138,3051,2450,4605,5219, # 1920
+2254, 612,1849, 910, 796,3844,1740,1371, 825,3845,3846,5220,2920,2562,5221, 692, # 1936
+ 444,3052,2634, 801,4606,4274,5222,1491, 244,1053,3053,4275,4276, 340,5223,4018, # 1952
+1041,3005, 293,1168,  87,1357,5224,1539, 959,5225,2240, 721, 694,4277,3847, 219, # 1968
+1478, 644,1417,3368,2666,1413,1401,1335,1389,4019,5226,5227,3006,2367,3159,1826, # 1984
+ 730,1515, 184,2840,  66,4607,5228,1660,2958, 246,3369, 378,1457, 226,3480, 975, # 2000
+4020,2959,1264,3592, 674, 696,5229, 163,5230,1141,2422,2167, 713,3593,3370,4608, # 2016
+4021,5231,5232,1186,  15,5233,1079,1070,5234,1522,3224,3594, 276,1050,2725, 758, # 2032
+1126, 653,2960,3296,5235,2342, 889,3595,4022,3104,3007, 903,1250,4609,4023,3481, # 2048
+3596,1342,1681,1718, 766,3297, 286,  89,2961,3715,5236,1713,5237,2607,3371,3008, # 2064
+5238,2962,2219,3225,2880,5239,4610,2505,2533, 181, 387,1075,4024, 731,2190,3372, # 2080
+5240,3298, 310, 313,3482,2304, 770,4278,  54,3054, 189,4611,3105,3848,4025,5241, # 2096
+1230,1617,1850, 355,3597,4279,4612,3373, 111,4280,3716,1350,3160,3483,3055,4281, # 2112
+2150,3299,3598,5242,2797,4026,4027,3009, 722,2009,5243,1071, 247,1207,2343,2478, # 2128
+1378,4613,2010, 864,1437,1214,4614, 373,3849,1142,2220, 667,4615, 442,2763,2563, # 2144
+3850,4028,1969,4282,3300,1840, 837, 170,1107, 934,1336,1883,5244,5245,2119,4283, # 2160
+2841, 743,1569,5246,4616,4284, 582,2389,1418,3484,5247,1803,5248, 357,1395,1729, # 2176
+3717,3301,2423,1564,2241,5249,3106,3851,1633,4617,1114,2086,4285,1532,5250, 482, # 2192
+2451,4618,5251,5252,1492, 833,1466,5253,2726,3599,1641,2842,5254,1526,1272,3718, # 2208
+4286,1686,1795, 416,2564,1903,1954,1804,5255,3852,2798,3853,1159,2321,5256,2881, # 2224
+4619,1610,1584,3056,2424,2764, 443,3302,1163,3161,5257,5258,4029,5259,4287,2506, # 2240
+3057,4620,4030,3162,2104,1647,3600,2011,1873,4288,5260,4289, 431,3485,5261, 250, # 2256
+  97,  81,4290,5262,1648,1851,1558, 160, 848,5263, 866, 740,1694,5264,2204,2843, # 2272
+3226,4291,4621,3719,1687, 950,2479, 426, 469,3227,3720,3721,4031,5265,5266,1188, # 2288
+ 424,1996, 861,3601,4292,3854,2205,2694, 168,1235,3602,4293,5267,2087,1674,4622, # 2304
+3374,3303, 220,2565,1009,5268,3855, 670,3010, 332,1208, 717,5269,5270,3603,2452, # 2320
+4032,3375,5271, 513,5272,1209,2882,3376,3163,4623,1080,5273,5274,5275,5276,2534, # 2336
+3722,3604, 815,1587,4033,4034,5277,3605,3486,3856,1254,4624,1328,3058,1390,4035, # 2352
+1741,4036,3857,4037,5278, 236,3858,2453,3304,5279,5280,3723,3859,1273,3860,4625, # 2368
+5281, 308,5282,4626, 245,4627,1852,2480,1307,2583, 430, 715,2137,2454,5283, 270, # 2384
+ 199,2883,4038,5284,3606,2727,1753, 761,1754, 725,1661,1841,4628,3487,3724,5285, # 2400
+5286, 587,  14,3305, 227,2608, 326, 480,2270, 943,2765,3607, 291, 650,1884,5287, # 2416
+1702,1226, 102,1547,  62,3488, 904,4629,3489,1164,4294,5288,5289,1224,1548,2766, # 2432
+ 391, 498,1493,5290,1386,1419,5291,2056,1177,4630, 813, 880,1081,2368, 566,1145, # 2448
+4631,2291,1001,1035,2566,2609,2242, 394,1286,5292,5293,2069,5294,  86,1494,1730, # 2464
+4039, 491,1588, 745, 897,2963, 843,3377,4040,2767,2884,3306,1768, 998,2221,2070, # 2480
+ 397,1827,1195,1970,3725,3011,3378, 284,5295,3861,2507,2138,2120,1904,5296,4041, # 2496
+2151,4042,4295,1036,3490,1905, 114,2567,4296, 209,1527,5297,5298,2964,2844,2635, # 2512
+2390,2728,3164, 812,2568,5299,3307,5300,1559, 737,1885,3726,1210, 885,  28,2695, # 2528
+3608,3862,5301,4297,1004,1780,4632,5302, 346,1982,2222,2696,4633,3863,1742, 797, # 2544
+1642,4043,1934,1072,1384,2152, 896,4044,3308,3727,3228,2885,3609,5303,2569,1959, # 2560
+4634,2455,1786,5304,5305,5306,4045,4298,1005,1308,3728,4299,2729,4635,4636,1528, # 2576
+2610, 161,1178,4300,1983, 987,4637,1101,4301, 631,4046,1157,3229,2425,1343,1241, # 2592
+1016,2243,2570, 372, 877,2344,2508,1160, 555,1935, 911,4047,5307, 466,1170, 169, # 2608
+1051,2921,2697,3729,2481,3012,1182,2012,2571,1251,2636,5308, 992,2345,3491,1540, # 2624
+2730,1201,2071,2406,1997,2482,5309,4638, 528,1923,2191,1503,1874,1570,2369,3379, # 2640
+3309,5310, 557,1073,5311,1828,3492,2088,2271,3165,3059,3107, 767,3108,2799,4639, # 2656
+1006,4302,4640,2346,1267,2179,3730,3230, 778,4048,3231,2731,1597,2667,5312,4641, # 2672
+5313,3493,5314,5315,5316,3310,2698,1433,3311, 131,  95,1504,4049, 723,4303,3166, # 2688
+1842,3610,2768,2192,4050,2028,2105,3731,5317,3013,4051,1218,5318,3380,3232,4052, # 2704
+4304,2584, 248,1634,3864, 912,5319,2845,3732,3060,3865, 654,  53,5320,3014,5321, # 2720
+1688,4642, 777,3494,1032,4053,1425,5322, 191, 820,2121,2846, 971,4643, 931,3233, # 2736
+ 135, 664, 783,3866,1998, 772,2922,1936,4054,3867,4644,2923,3234, 282,2732, 640, # 2752
+1372,3495,1127, 922, 325,3381,5323,5324, 711,2045,5325,5326,4055,2223,2800,1937, # 2768
+4056,3382,2224,2255,3868,2305,5327,4645,3869,1258,3312,4057,3235,2139,2965,4058, # 2784
+4059,5328,2225, 258,3236,4646, 101,1227,5329,3313,1755,5330,1391,3314,5331,2924, # 2800
+2057, 893,5332,5333,5334,1402,4305,2347,5335,5336,3237,3611,5337,5338, 878,1325, # 2816
+1781,2801,4647, 259,1385,2585, 744,1183,2272,4648,5339,4060,2509,5340, 684,1024, # 2832
+4306,5341, 472,3612,3496,1165,3315,4061,4062, 322,2153, 881, 455,1695,1152,1340, # 2848
+ 660, 554,2154,4649,1058,4650,4307, 830,1065,3383,4063,4651,1924,5342,1703,1919, # 2864
+5343, 932,2273, 122,5344,4652, 947, 677,5345,3870,2637, 297,1906,1925,2274,4653, # 2880
+2322,3316,5346,5347,4308,5348,4309,  84,4310, 112, 989,5349, 547,1059,4064, 701, # 2896
+3613,1019,5350,4311,5351,3497, 942, 639, 457,2306,2456, 993,2966, 407, 851, 494, # 2912
+4654,3384, 927,5352,1237,5353,2426,3385, 573,4312, 680, 921,2925,1279,1875, 285, # 2928
+ 790,1448,1984, 719,2168,5354,5355,4655,4065,4066,1649,5356,1541, 563,5357,1077, # 2944
+5358,3386,3061,3498, 511,3015,4067,4068,3733,4069,1268,2572,3387,3238,4656,4657, # 2960
+5359, 535,1048,1276,1189,2926,2029,3167,1438,1373,2847,2967,1134,2013,5360,4313, # 2976
+1238,2586,3109,1259,5361, 700,5362,2968,3168,3734,4314,5363,4315,1146,1876,1907, # 2992
+4658,2611,4070, 781,2427, 132,1589, 203, 147, 273,2802,2407, 898,1787,2155,4071, # 3008
+4072,5364,3871,2803,5365,5366,4659,4660,5367,3239,5368,1635,3872, 965,5369,1805, # 3024
+2699,1516,3614,1121,1082,1329,3317,4073,1449,3873,  65,1128,2848,2927,2769,1590, # 3040
+3874,5370,5371,  12,2668,  45, 976,2587,3169,4661, 517,2535,1013,1037,3240,5372, # 3056
+3875,2849,5373,3876,5374,3499,5375,2612, 614,1999,2323,3877,3110,2733,2638,5376, # 3072
+2588,4316, 599,1269,5377,1811,3735,5378,2700,3111, 759,1060, 489,1806,3388,3318, # 3088
+1358,5379,5380,2391,1387,1215,2639,2256, 490,5381,5382,4317,1759,2392,2348,5383, # 3104
+4662,3878,1908,4074,2640,1807,3241,4663,3500,3319,2770,2349, 874,5384,5385,3501, # 3120
+3736,1859,  91,2928,3737,3062,3879,4664,5386,3170,4075,2669,5387,3502,1202,1403, # 3136
+3880,2969,2536,1517,2510,4665,3503,2511,5388,4666,5389,2701,1886,1495,1731,4076, # 3152
+2370,4667,5390,2030,5391,5392,4077,2702,1216, 237,2589,4318,2324,4078,3881,4668, # 3168
+4669,2703,3615,3504, 445,4670,5393,5394,5395,5396,2771,  61,4079,3738,1823,4080, # 3184
+5397, 687,2046, 935, 925, 405,2670, 703,1096,1860,2734,4671,4081,1877,1367,2704, # 3200
+3389, 918,2106,1782,2483, 334,3320,1611,1093,4672, 564,3171,3505,3739,3390, 945, # 3216
+2641,2058,4673,5398,1926, 872,4319,5399,3506,2705,3112, 349,4320,3740,4082,4674, # 3232
+3882,4321,3741,2156,4083,4675,4676,4322,4677,2408,2047, 782,4084, 400, 251,4323, # 3248
+1624,5400,5401, 277,3742, 299,1265, 476,1191,3883,2122,4324,4325,1109, 205,5402, # 3264
+2590,1000,2157,3616,1861,5403,5404,5405,4678,5406,4679,2573, 107,2484,2158,4085, # 3280
+3507,3172,5407,1533, 541,1301, 158, 753,4326,2886,3617,5408,1696, 370,1088,4327, # 3296
+4680,3618, 579, 327, 440, 162,2244, 269,1938,1374,3508, 968,3063,  56,1396,3113, # 3312
+2107,3321,3391,5409,1927,2159,4681,3016,5410,3619,5411,5412,3743,4682,2485,5413, # 3328
+2804,5414,1650,4683,5415,2613,5416,5417,4086,2671,3392,1149,3393,4087,3884,4088, # 3344
+5418,1076,  49,5419, 951,3242,3322,3323, 450,2850, 920,5420,1812,2805,2371,4328, # 3360
+1909,1138,2372,3885,3509,5421,3243,4684,1910,1147,1518,2428,4685,3886,5422,4686, # 3376
+2393,2614, 260,1796,3244,5423,5424,3887,3324, 708,5425,3620,1704,5426,3621,1351, # 3392
+1618,3394,3017,1887, 944,4329,3395,4330,3064,3396,4331,5427,3744, 422, 413,1714, # 3408
+3325, 500,2059,2350,4332,2486,5428,1344,1911, 954,5429,1668,5430,5431,4089,2409, # 3424
+4333,3622,3888,4334,5432,2307,1318,2512,3114, 133,3115,2887,4687, 629,  31,2851, # 3440
+2706,3889,4688, 850, 949,4689,4090,2970,1732,2089,4335,1496,1853,5433,4091, 620, # 3456
+3245, 981,1242,3745,3397,1619,3746,1643,3326,2140,2457,1971,1719,3510,2169,5434, # 3472
+3246,5435,5436,3398,1829,5437,1277,4690,1565,2048,5438,1636,3623,3116,5439, 869, # 3488
+2852, 655,3890,3891,3117,4092,3018,3892,1310,3624,4691,5440,5441,5442,1733, 558, # 3504
+4692,3747, 335,1549,3065,1756,4336,3748,1946,3511,1830,1291,1192, 470,2735,2108, # 3520
+2806, 913,1054,4093,5443,1027,5444,3066,4094,4693, 982,2672,3399,3173,3512,3247, # 3536
+3248,1947,2807,5445, 571,4694,5446,1831,5447,3625,2591,1523,2429,5448,2090, 984, # 3552
+4695,3749,1960,5449,3750, 852, 923,2808,3513,3751, 969,1519, 999,2049,2325,1705, # 3568
+5450,3118, 615,1662, 151, 597,4095,2410,2326,1049, 275,4696,3752,4337, 568,3753, # 3584
+3626,2487,4338,3754,5451,2430,2275, 409,3249,5452,1566,2888,3514,1002, 769,2853, # 3600
+ 194,2091,3174,3755,2226,3327,4339, 628,1505,5453,5454,1763,2180,3019,4096, 521, # 3616
+1161,2592,1788,2206,2411,4697,4097,1625,4340,4341, 412,  42,3119, 464,5455,2642, # 3632
+4698,3400,1760,1571,2889,3515,2537,1219,2207,3893,2643,2141,2373,4699,4700,3328, # 3648
+1651,3401,3627,5456,5457,3628,2488,3516,5458,3756,5459,5460,2276,2092, 460,5461, # 3664
+4701,5462,3020, 962, 588,3629, 289,3250,2644,1116,  52,5463,3067,1797,5464,5465, # 3680
+5466,1467,5467,1598,1143,3757,4342,1985,1734,1067,4702,1280,3402, 465,4703,1572, # 3696
+ 510,5468,1928,2245,1813,1644,3630,5469,4704,3758,5470,5471,2673,1573,1534,5472, # 3712
+5473, 536,1808,1761,3517,3894,3175,2645,5474,5475,5476,4705,3518,2929,1912,2809, # 3728
+5477,3329,1122, 377,3251,5478, 360,5479,5480,4343,1529, 551,5481,2060,3759,1769, # 3744
+2431,5482,2930,4344,3330,3120,2327,2109,2031,4706,1404, 136,1468,1479, 672,1171, # 3760
+3252,2308, 271,3176,5483,2772,5484,2050, 678,2736, 865,1948,4707,5485,2014,4098, # 3776
+2971,5486,2737,2227,1397,3068,3760,4708,4709,1735,2931,3403,3631,5487,3895, 509, # 3792
+2854,2458,2890,3896,5488,5489,3177,3178,4710,4345,2538,4711,2309,1166,1010, 552, # 3808
+ 681,1888,5490,5491,2972,2973,4099,1287,1596,1862,3179, 358, 453, 736, 175, 478, # 3824
+1117, 905,1167,1097,5492,1854,1530,5493,1706,5494,2181,3519,2292,3761,3520,3632, # 3840
+4346,2093,4347,5495,3404,1193,2489,4348,1458,2193,2208,1863,1889,1421,3331,2932, # 3856
+3069,2182,3521, 595,2123,5496,4100,5497,5498,4349,1707,2646, 223,3762,1359, 751, # 3872
+3121, 183,3522,5499,2810,3021, 419,2374, 633, 704,3897,2394, 241,5500,5501,5502, # 3888
+ 838,3022,3763,2277,2773,2459,3898,1939,2051,4101,1309,3122,2246,1181,5503,1136, # 3904
+2209,3899,2375,1446,4350,2310,4712,5504,5505,4351,1055,2615, 484,3764,5506,4102, # 3920
+ 625,4352,2278,3405,1499,4353,4103,5507,4104,4354,3253,2279,2280,3523,5508,5509, # 3936
+2774, 808,2616,3765,3406,4105,4355,3123,2539, 526,3407,3900,4356, 955,5510,1620, # 3952
+4357,2647,2432,5511,1429,3766,1669,1832, 994, 928,5512,3633,1260,5513,5514,5515, # 3968
+1949,2293, 741,2933,1626,4358,2738,2460, 867,1184, 362,3408,1392,5516,5517,4106, # 3984
+4359,1770,1736,3254,2934,4713,4714,1929,2707,1459,1158,5518,3070,3409,2891,1292, # 4000
+1930,2513,2855,3767,1986,1187,2072,2015,2617,4360,5519,2574,2514,2170,3768,2490, # 4016
+3332,5520,3769,4715,5521,5522, 666,1003,3023,1022,3634,4361,5523,4716,1814,2257, # 4032
+ 574,3901,1603, 295,1535, 705,3902,4362, 283, 858, 417,5524,5525,3255,4717,4718, # 4048
+3071,1220,1890,1046,2281,2461,4107,1393,1599, 689,2575, 388,4363,5526,2491, 802, # 4064
+5527,2811,3903,2061,1405,2258,5528,4719,3904,2110,1052,1345,3256,1585,5529, 809, # 4080
+5530,5531,5532, 575,2739,3524, 956,1552,1469,1144,2328,5533,2329,1560,2462,3635, # 4096
+3257,4108, 616,2210,4364,3180,2183,2294,5534,1833,5535,3525,4720,5536,1319,3770, # 4112
+3771,1211,3636,1023,3258,1293,2812,5537,5538,5539,3905, 607,2311,3906, 762,2892, # 4128
+1439,4365,1360,4721,1485,3072,5540,4722,1038,4366,1450,2062,2648,4367,1379,4723, # 4144
+2593,5541,5542,4368,1352,1414,2330,2935,1172,5543,5544,3907,3908,4724,1798,1451, # 4160
+5545,5546,5547,5548,2936,4109,4110,2492,2351, 411,4111,4112,3637,3333,3124,4725, # 4176
+1561,2674,1452,4113,1375,5549,5550,  47,2974, 316,5551,1406,1591,2937,3181,5552, # 4192
+1025,2142,3125,3182, 354,2740, 884,2228,4369,2412, 508,3772, 726,3638, 996,2433, # 4208
+3639, 729,5553, 392,2194,1453,4114,4726,3773,5554,5555,2463,3640,2618,1675,2813, # 4224
+ 919,2352,2975,2353,1270,4727,4115,  73,5556,5557, 647,5558,3259,2856,2259,1550, # 4240
+1346,3024,5559,1332, 883,3526,5560,5561,5562,5563,3334,2775,5564,1212, 831,1347, # 4256
+4370,4728,2331,3909,1864,3073, 720,3910,4729,4730,3911,5565,4371,5566,5567,4731, # 4272
+5568,5569,1799,4732,3774,2619,4733,3641,1645,2376,4734,5570,2938, 669,2211,2675, # 4288
+2434,5571,2893,5572,5573,1028,3260,5574,4372,2413,5575,2260,1353,5576,5577,4735, # 4304
+3183, 518,5578,4116,5579,4373,1961,5580,2143,4374,5581,5582,3025,2354,2355,3912, # 4320
+ 516,1834,1454,4117,2708,4375,4736,2229,2620,1972,1129,3642,5583,2776,5584,2976, # 4336
+1422, 577,1470,3026,1524,3410,5585,5586, 432,4376,3074,3527,5587,2594,1455,2515, # 4352
+2230,1973,1175,5588,1020,2741,4118,3528,4737,5589,2742,5590,1743,1361,3075,3529, # 4368
+2649,4119,4377,4738,2295, 895, 924,4378,2171, 331,2247,3076, 166,1627,3077,1098, # 4384
+5591,1232,2894,2231,3411,4739, 657, 403,1196,2377, 542,3775,3412,1600,4379,3530, # 4400
+5592,4740,2777,3261, 576, 530,1362,4741,4742,2540,2676,3776,4120,5593, 842,3913, # 4416
+5594,2814,2032,1014,4121, 213,2709,3413, 665, 621,4380,5595,3777,2939,2435,5596, # 4432
+2436,3335,3643,3414,4743,4381,2541,4382,4744,3644,1682,4383,3531,1380,5597, 724, # 4448
+2282, 600,1670,5598,1337,1233,4745,3126,2248,5599,1621,4746,5600, 651,4384,5601, # 4464
+1612,4385,2621,5602,2857,5603,2743,2312,3078,5604, 716,2464,3079, 174,1255,2710, # 4480
+4122,3645, 548,1320,1398, 728,4123,1574,5605,1891,1197,3080,4124,5606,3081,3082, # 4496
+3778,3646,3779, 747,5607, 635,4386,4747,5608,5609,5610,4387,5611,5612,4748,5613, # 4512
+3415,4749,2437, 451,5614,3780,2542,2073,4388,2744,4389,4125,5615,1764,4750,5616, # 4528
+4390, 350,4751,2283,2395,2493,5617,4391,4126,2249,1434,4127, 488,4752, 458,4392, # 4544
+4128,3781, 771,1330,2396,3914,2576,3184,2160,2414,1553,2677,3185,4393,5618,2494, # 4560
+2895,2622,1720,2711,4394,3416,4753,5619,2543,4395,5620,3262,4396,2778,5621,2016, # 4576
+2745,5622,1155,1017,3782,3915,5623,3336,2313, 201,1865,4397,1430,5624,4129,5625, # 4592
+5626,5627,5628,5629,4398,1604,5630, 414,1866, 371,2595,4754,4755,3532,2017,3127, # 4608
+4756,1708, 960,4399, 887, 389,2172,1536,1663,1721,5631,2232,4130,2356,2940,1580, # 4624
+5632,5633,1744,4757,2544,4758,4759,5634,4760,5635,2074,5636,4761,3647,3417,2896, # 4640
+4400,5637,4401,2650,3418,2815, 673,2712,2465, 709,3533,4131,3648,4402,5638,1148, # 4656
+ 502, 634,5639,5640,1204,4762,3649,1575,4763,2623,3783,5641,3784,3128, 948,3263, # 4672
+ 121,1745,3916,1110,5642,4403,3083,2516,3027,4132,3785,1151,1771,3917,1488,4133, # 4688
+1987,5643,2438,3534,5644,5645,2094,5646,4404,3918,1213,1407,2816, 531,2746,2545, # 4704
+3264,1011,1537,4764,2779,4405,3129,1061,5647,3786,3787,1867,2897,5648,2018, 120, # 4720
+4406,4407,2063,3650,3265,2314,3919,2678,3419,1955,4765,4134,5649,3535,1047,2713, # 4736
+1266,5650,1368,4766,2858, 649,3420,3920,2546,2747,1102,2859,2679,5651,5652,2000, # 4752
+5653,1111,3651,2977,5654,2495,3921,3652,2817,1855,3421,3788,5655,5656,3422,2415, # 4768
+2898,3337,3266,3653,5657,2577,5658,3654,2818,4135,1460, 856,5659,3655,5660,2899, # 4784
+2978,5661,2900,3922,5662,4408, 632,2517, 875,3923,1697,3924,2296,5663,5664,4767, # 4800
+3028,1239, 580,4768,4409,5665, 914, 936,2075,1190,4136,1039,2124,5666,5667,5668, # 4816
+5669,3423,1473,5670,1354,4410,3925,4769,2173,3084,4137, 915,3338,4411,4412,3339, # 4832
+1605,1835,5671,2748, 398,3656,4413,3926,4138, 328,1913,2860,4139,3927,1331,4414, # 4848
+3029, 937,4415,5672,3657,4140,4141,3424,2161,4770,3425, 524, 742, 538,3085,1012, # 4864
+5673,5674,3928,2466,5675, 658,1103, 225,3929,5676,5677,4771,5678,4772,5679,3267, # 4880
+1243,5680,4142, 963,2250,4773,5681,2714,3658,3186,5682,5683,2596,2332,5684,4774, # 4896
+5685,5686,5687,3536, 957,3426,2547,2033,1931,2941,2467, 870,2019,3659,1746,2780, # 4912
+2781,2439,2468,5688,3930,5689,3789,3130,3790,3537,3427,3791,5690,1179,3086,5691, # 4928
+3187,2378,4416,3792,2548,3188,3131,2749,4143,5692,3428,1556,2549,2297, 977,2901, # 4944
+2034,4144,1205,3429,5693,1765,3430,3189,2125,1271, 714,1689,4775,3538,5694,2333, # 4960
+3931, 533,4417,3660,2184, 617,5695,2469,3340,3539,2315,5696,5697,3190,5698,5699, # 4976
+3932,1988, 618, 427,2651,3540,3431,5700,5701,1244,1690,5702,2819,4418,4776,5703, # 4992
+3541,4777,5704,2284,1576, 473,3661,4419,3432, 972,5705,3662,5706,3087,5707,5708, # 5008
+4778,4779,5709,3793,4145,4146,5710, 153,4780, 356,5711,1892,2902,4420,2144, 408, # 5024
+ 803,2357,5712,3933,5713,4421,1646,2578,2518,4781,4782,3934,5714,3935,4422,5715, # 5040
+2416,3433, 752,5716,5717,1962,3341,2979,5718, 746,3030,2470,4783,4423,3794, 698, # 5056
+4784,1893,4424,3663,2550,4785,3664,3936,5719,3191,3434,5720,1824,1302,4147,2715, # 5072
+3937,1974,4425,5721,4426,3192, 823,1303,1288,1236,2861,3542,4148,3435, 774,3938, # 5088
+5722,1581,4786,1304,2862,3939,4787,5723,2440,2162,1083,3268,4427,4149,4428, 344, # 5104
+1173, 288,2316, 454,1683,5724,5725,1461,4788,4150,2597,5726,5727,4789, 985, 894, # 5120
+5728,3436,3193,5729,1914,2942,3795,1989,5730,2111,1975,5731,4151,5732,2579,1194, # 5136
+ 425,5733,4790,3194,1245,3796,4429,5734,5735,2863,5736, 636,4791,1856,3940, 760, # 5152
+1800,5737,4430,2212,1508,4792,4152,1894,1684,2298,5738,5739,4793,4431,4432,2213, # 5168
+ 479,5740,5741, 832,5742,4153,2496,5743,2980,2497,3797, 990,3132, 627,1815,2652, # 5184
+4433,1582,4434,2126,2112,3543,4794,5744, 799,4435,3195,5745,4795,2113,1737,3031, # 5200
+1018, 543, 754,4436,3342,1676,4796,4797,4154,4798,1489,5746,3544,5747,2624,2903, # 5216
+4155,5748,5749,2981,5750,5751,5752,5753,3196,4799,4800,2185,1722,5754,3269,3270, # 5232
+1843,3665,1715, 481, 365,1976,1857,5755,5756,1963,2498,4801,5757,2127,3666,3271, # 5248
+ 433,1895,2064,2076,5758, 602,2750,5759,5760,5761,5762,5763,3032,1628,3437,5764, # 5264
+3197,4802,4156,2904,4803,2519,5765,2551,2782,5766,5767,5768,3343,4804,2905,5769, # 5280
+4805,5770,2864,4806,4807,1221,2982,4157,2520,5771,5772,5773,1868,1990,5774,5775, # 5296
+5776,1896,5777,5778,4808,1897,4158, 318,5779,2095,4159,4437,5780,5781, 485,5782, # 5312
+ 938,3941, 553,2680, 116,5783,3942,3667,5784,3545,2681,2783,3438,3344,2820,5785, # 5328
+3668,2943,4160,1747,2944,2983,5786,5787, 207,5788,4809,5789,4810,2521,5790,3033, # 5344
+ 890,3669,3943,5791,1878,3798,3439,5792,2186,2358,3440,1652,5793,5794,5795, 941, # 5360
+2299, 208,3546,4161,2020, 330,4438,3944,2906,2499,3799,4439,4811,5796,5797,5798, # 5376
+)
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/big5prober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/big5prober.py
new file mode 100644
index 00000000..ef09c60e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/big5prober.py
@@ -0,0 +1,47 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .chardistribution import Big5DistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import BIG5_SM_MODEL
+
+
+class Big5Prober(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(BIG5_SM_MODEL)
+        self.distribution_analyzer = Big5DistributionAnalysis()
+        self.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "Big5"
+
+    @property
+    def language(self) -> str:
+        return "Chinese"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/chardistribution.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/chardistribution.py
new file mode 100644
index 00000000..176cb996
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/chardistribution.py
@@ -0,0 +1,261 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Tuple, Union
+
+from .big5freq import (
+    BIG5_CHAR_TO_FREQ_ORDER,
+    BIG5_TABLE_SIZE,
+    BIG5_TYPICAL_DISTRIBUTION_RATIO,
+)
+from .euckrfreq import (
+    EUCKR_CHAR_TO_FREQ_ORDER,
+    EUCKR_TABLE_SIZE,
+    EUCKR_TYPICAL_DISTRIBUTION_RATIO,
+)
+from .euctwfreq import (
+    EUCTW_CHAR_TO_FREQ_ORDER,
+    EUCTW_TABLE_SIZE,
+    EUCTW_TYPICAL_DISTRIBUTION_RATIO,
+)
+from .gb2312freq import (
+    GB2312_CHAR_TO_FREQ_ORDER,
+    GB2312_TABLE_SIZE,
+    GB2312_TYPICAL_DISTRIBUTION_RATIO,
+)
+from .jisfreq import (
+    JIS_CHAR_TO_FREQ_ORDER,
+    JIS_TABLE_SIZE,
+    JIS_TYPICAL_DISTRIBUTION_RATIO,
+)
+from .johabfreq import JOHAB_TO_EUCKR_ORDER_TABLE
+
+
+class CharDistributionAnalysis:
+    ENOUGH_DATA_THRESHOLD = 1024
+    SURE_YES = 0.99
+    SURE_NO = 0.01
+    MINIMUM_DATA_THRESHOLD = 3
+
+    def __init__(self) -> None:
+        # Mapping table to get frequency order from char order (get from
+        # GetOrder())
+        self._char_to_freq_order: Tuple[int, ...] = tuple()
+        self._table_size = 0  # Size of above table
+        # This is a constant value which varies from language to language,
+        # used in calculating confidence.  See
+        # http://www.mozilla.org/projects/intl/UniversalCharsetDetection.html
+        # for further detail.
+        self.typical_distribution_ratio = 0.0
+        self._done = False
+        self._total_chars = 0
+        self._freq_chars = 0
+        self.reset()
+
+    def reset(self) -> None:
+        """reset analyser, clear any state"""
+        # If this flag is set to True, detection is done and conclusion has
+        # been made
+        self._done = False
+        self._total_chars = 0  # Total characters encountered
+        # The number of characters whose frequency order is less than 512
+        self._freq_chars = 0
+
+    def feed(self, char: Union[bytes, bytearray], char_len: int) -> None:
+        """feed a character with known length"""
+        if char_len == 2:
+            # we only care about 2-bytes character in our distribution analysis
+            order = self.get_order(char)
+        else:
+            order = -1
+        if order >= 0:
+            self._total_chars += 1
+            # order is valid
+            if order < self._table_size:
+                if 512 > self._char_to_freq_order[order]:
+                    self._freq_chars += 1
+
+    def get_confidence(self) -> float:
+        """return confidence based on existing data"""
+        # if we didn't receive any character in our consideration range,
+        # return negative answer
+        if self._total_chars <= 0 or self._freq_chars <= self.MINIMUM_DATA_THRESHOLD:
+            return self.SURE_NO
+
+        if self._total_chars != self._freq_chars:
+            r = self._freq_chars / (
+                (self._total_chars - self._freq_chars) * self.typical_distribution_ratio
+            )
+            if r < self.SURE_YES:
+                return r
+
+        # normalize confidence (we don't want to be 100% sure)
+        return self.SURE_YES
+
+    def got_enough_data(self) -> bool:
+        # It is not necessary to receive all data to draw conclusion.
+        # For charset detection, certain amount of data is enough
+        return self._total_chars > self.ENOUGH_DATA_THRESHOLD
+
+    def get_order(self, _: Union[bytes, bytearray]) -> int:
+        # We do not handle characters based on the original encoding string,
+        # but convert this encoding string to a number, here called order.
+        # This allows multiple encodings of a language to share one frequency
+        # table.
+        return -1
+
+
+class EUCTWDistributionAnalysis(CharDistributionAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._char_to_freq_order = EUCTW_CHAR_TO_FREQ_ORDER
+        self._table_size = EUCTW_TABLE_SIZE
+        self.typical_distribution_ratio = EUCTW_TYPICAL_DISTRIBUTION_RATIO
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> int:
+        # for euc-TW encoding, we are interested
+        #   first  byte range: 0xc4 -- 0xfe
+        #   second byte range: 0xa1 -- 0xfe
+        # no validation needed here. State machine has done that
+        first_char = byte_str[0]
+        if first_char >= 0xC4:
+            return 94 * (first_char - 0xC4) + byte_str[1] - 0xA1
+        return -1
+
+
+class EUCKRDistributionAnalysis(CharDistributionAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._char_to_freq_order = EUCKR_CHAR_TO_FREQ_ORDER
+        self._table_size = EUCKR_TABLE_SIZE
+        self.typical_distribution_ratio = EUCKR_TYPICAL_DISTRIBUTION_RATIO
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> int:
+        # for euc-KR encoding, we are interested
+        #   first  byte range: 0xb0 -- 0xfe
+        #   second byte range: 0xa1 -- 0xfe
+        # no validation needed here. State machine has done that
+        first_char = byte_str[0]
+        if first_char >= 0xB0:
+            return 94 * (first_char - 0xB0) + byte_str[1] - 0xA1
+        return -1
+
+
+class JOHABDistributionAnalysis(CharDistributionAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._char_to_freq_order = EUCKR_CHAR_TO_FREQ_ORDER
+        self._table_size = EUCKR_TABLE_SIZE
+        self.typical_distribution_ratio = EUCKR_TYPICAL_DISTRIBUTION_RATIO
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> int:
+        first_char = byte_str[0]
+        if 0x88 <= first_char < 0xD4:
+            code = first_char * 256 + byte_str[1]
+            return JOHAB_TO_EUCKR_ORDER_TABLE.get(code, -1)
+        return -1
+
+
+class GB2312DistributionAnalysis(CharDistributionAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._char_to_freq_order = GB2312_CHAR_TO_FREQ_ORDER
+        self._table_size = GB2312_TABLE_SIZE
+        self.typical_distribution_ratio = GB2312_TYPICAL_DISTRIBUTION_RATIO
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> int:
+        # for GB2312 encoding, we are interested
+        #  first  byte range: 0xb0 -- 0xfe
+        #  second byte range: 0xa1 -- 0xfe
+        # no validation needed here. State machine has done that
+        first_char, second_char = byte_str[0], byte_str[1]
+        if (first_char >= 0xB0) and (second_char >= 0xA1):
+            return 94 * (first_char - 0xB0) + second_char - 0xA1
+        return -1
+
+
+class Big5DistributionAnalysis(CharDistributionAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._char_to_freq_order = BIG5_CHAR_TO_FREQ_ORDER
+        self._table_size = BIG5_TABLE_SIZE
+        self.typical_distribution_ratio = BIG5_TYPICAL_DISTRIBUTION_RATIO
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> int:
+        # for big5 encoding, we are interested
+        #   first  byte range: 0xa4 -- 0xfe
+        #   second byte range: 0x40 -- 0x7e , 0xa1 -- 0xfe
+        # no validation needed here. State machine has done that
+        first_char, second_char = byte_str[0], byte_str[1]
+        if first_char >= 0xA4:
+            if second_char >= 0xA1:
+                return 157 * (first_char - 0xA4) + second_char - 0xA1 + 63
+            return 157 * (first_char - 0xA4) + second_char - 0x40
+        return -1
+
+
+class SJISDistributionAnalysis(CharDistributionAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER
+        self._table_size = JIS_TABLE_SIZE
+        self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> int:
+        # for sjis encoding, we are interested
+        #   first  byte range: 0x81 -- 0x9f , 0xe0 -- 0xfe
+        #   second byte range: 0x40 -- 0x7e,  0x81 -- oxfe
+        # no validation needed here. State machine has done that
+        first_char, second_char = byte_str[0], byte_str[1]
+        if 0x81 <= first_char <= 0x9F:
+            order = 188 * (first_char - 0x81)
+        elif 0xE0 <= first_char <= 0xEF:
+            order = 188 * (first_char - 0xE0 + 31)
+        else:
+            return -1
+        order = order + second_char - 0x40
+        if second_char > 0x7F:
+            order = -1
+        return order
+
+
+class EUCJPDistributionAnalysis(CharDistributionAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER
+        self._table_size = JIS_TABLE_SIZE
+        self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> int:
+        # for euc-JP encoding, we are interested
+        #   first  byte range: 0xa0 -- 0xfe
+        #   second byte range: 0xa1 -- 0xfe
+        # no validation needed here. State machine has done that
+        char = byte_str[0]
+        if char >= 0xA0:
+            return 94 * (char - 0xA1) + byte_str[1] - 0xA1
+        return -1
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/charsetgroupprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/charsetgroupprober.py
new file mode 100644
index 00000000..6def56b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/charsetgroupprober.py
@@ -0,0 +1,106 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import List, Optional, Union
+
+from .charsetprober import CharSetProber
+from .enums import LanguageFilter, ProbingState
+
+
+class CharSetGroupProber(CharSetProber):
+    def __init__(self, lang_filter: LanguageFilter = LanguageFilter.NONE) -> None:
+        super().__init__(lang_filter=lang_filter)
+        self._active_num = 0
+        self.probers: List[CharSetProber] = []
+        self._best_guess_prober: Optional[CharSetProber] = None
+
+    def reset(self) -> None:
+        super().reset()
+        self._active_num = 0
+        for prober in self.probers:
+            prober.reset()
+            prober.active = True
+            self._active_num += 1
+        self._best_guess_prober = None
+
+    @property
+    def charset_name(self) -> Optional[str]:
+        if not self._best_guess_prober:
+            self.get_confidence()
+            if not self._best_guess_prober:
+                return None
+        return self._best_guess_prober.charset_name
+
+    @property
+    def language(self) -> Optional[str]:
+        if not self._best_guess_prober:
+            self.get_confidence()
+            if not self._best_guess_prober:
+                return None
+        return self._best_guess_prober.language
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        for prober in self.probers:
+            if not prober.active:
+                continue
+            state = prober.feed(byte_str)
+            if not state:
+                continue
+            if state == ProbingState.FOUND_IT:
+                self._best_guess_prober = prober
+                self._state = ProbingState.FOUND_IT
+                return self.state
+            if state == ProbingState.NOT_ME:
+                prober.active = False
+                self._active_num -= 1
+                if self._active_num <= 0:
+                    self._state = ProbingState.NOT_ME
+                    return self.state
+        return self.state
+
+    def get_confidence(self) -> float:
+        state = self.state
+        if state == ProbingState.FOUND_IT:
+            return 0.99
+        if state == ProbingState.NOT_ME:
+            return 0.01
+        best_conf = 0.0
+        self._best_guess_prober = None
+        for prober in self.probers:
+            if not prober.active:
+                self.logger.debug("%s not active", prober.charset_name)
+                continue
+            conf = prober.get_confidence()
+            self.logger.debug(
+                "%s %s confidence = %s", prober.charset_name, prober.language, conf
+            )
+            if best_conf < conf:
+                best_conf = conf
+                self._best_guess_prober = prober
+        if not self._best_guess_prober:
+            return 0.0
+        return best_conf
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/charsetprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/charsetprober.py
new file mode 100644
index 00000000..a103ca11
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/charsetprober.py
@@ -0,0 +1,147 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+import logging
+import re
+from typing import Optional, Union
+
+from .enums import LanguageFilter, ProbingState
+
+INTERNATIONAL_WORDS_PATTERN = re.compile(
+    b"[a-zA-Z]*[\x80-\xFF]+[a-zA-Z]*[^a-zA-Z\x80-\xFF]?"
+)
+
+
+class CharSetProber:
+
+    SHORTCUT_THRESHOLD = 0.95
+
+    def __init__(self, lang_filter: LanguageFilter = LanguageFilter.NONE) -> None:
+        self._state = ProbingState.DETECTING
+        self.active = True
+        self.lang_filter = lang_filter
+        self.logger = logging.getLogger(__name__)
+
+    def reset(self) -> None:
+        self._state = ProbingState.DETECTING
+
+    @property
+    def charset_name(self) -> Optional[str]:
+        return None
+
+    @property
+    def language(self) -> Optional[str]:
+        raise NotImplementedError
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        raise NotImplementedError
+
+    @property
+    def state(self) -> ProbingState:
+        return self._state
+
+    def get_confidence(self) -> float:
+        return 0.0
+
+    @staticmethod
+    def filter_high_byte_only(buf: Union[bytes, bytearray]) -> bytes:
+        buf = re.sub(b"([\x00-\x7F])+", b" ", buf)
+        return buf
+
+    @staticmethod
+    def filter_international_words(buf: Union[bytes, bytearray]) -> bytearray:
+        """
+        We define three types of bytes:
+        alphabet: english alphabets [a-zA-Z]
+        international: international characters [\x80-\xFF]
+        marker: everything else [^a-zA-Z\x80-\xFF]
+        The input buffer can be thought to contain a series of words delimited
+        by markers. This function works to filter all words that contain at
+        least one international character. All contiguous sequences of markers
+        are replaced by a single space ascii character.
+        This filter applies to all scripts which do not use English characters.
+        """
+        filtered = bytearray()
+
+        # This regex expression filters out only words that have at-least one
+        # international character. The word may include one marker character at
+        # the end.
+        words = INTERNATIONAL_WORDS_PATTERN.findall(buf)
+
+        for word in words:
+            filtered.extend(word[:-1])
+
+            # If the last character in the word is a marker, replace it with a
+            # space as markers shouldn't affect our analysis (they are used
+            # similarly across all languages and may thus have similar
+            # frequencies).
+            last_char = word[-1:]
+            if not last_char.isalpha() and last_char < b"\x80":
+                last_char = b" "
+            filtered.extend(last_char)
+
+        return filtered
+
+    @staticmethod
+    def remove_xml_tags(buf: Union[bytes, bytearray]) -> bytes:
+        """
+        Returns a copy of ``buf`` that retains only the sequences of English
+        alphabet and high byte characters that are not between <> characters.
+        This filter can be applied to all scripts which contain both English
+        characters and extended ASCII characters, but is currently only used by
+        ``Latin1Prober``.
+        """
+        filtered = bytearray()
+        in_tag = False
+        prev = 0
+        buf = memoryview(buf).cast("c")
+
+        for curr, buf_char in enumerate(buf):
+            # Check if we're coming out of or entering an XML tag
+
+            # https://github.com/python/typeshed/issues/8182
+            if buf_char == b">":  # type: ignore[comparison-overlap]
+                prev = curr + 1
+                in_tag = False
+            # https://github.com/python/typeshed/issues/8182
+            elif buf_char == b"<":  # type: ignore[comparison-overlap]
+                if curr > prev and not in_tag:
+                    # Keep everything after last non-extended-ASCII,
+                    # non-alphabetic character
+                    filtered.extend(buf[prev:curr])
+                    # Output a space to delimit stretch we kept
+                    filtered.extend(b" ")
+                in_tag = True
+
+        # If we're not in a tag...
+        if not in_tag:
+            # Keep everything after last non-extended-ASCII, non-alphabetic
+            # character
+            filtered.extend(buf[prev:])
+
+        return filtered
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cli/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cli/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cli/__pycache__/chardetect.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cli/__pycache__/chardetect.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cli/chardetect.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cli/chardetect.py
new file mode 100644
index 00000000..43f6e144
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cli/chardetect.py
@@ -0,0 +1,112 @@
+"""
+Script which takes one or more file paths and reports on their detected
+encodings
+
+Example::
+
+    % chardetect somefile someotherfile
+    somefile: windows-1252 with confidence 0.5
+    someotherfile: ascii with confidence 1.0
+
+If no paths are provided, it takes its input from stdin.
+
+"""
+
+
+import argparse
+import sys
+from typing import Iterable, List, Optional
+
+from .. import __version__
+from ..universaldetector import UniversalDetector
+
+
+def description_of(
+    lines: Iterable[bytes],
+    name: str = "stdin",
+    minimal: bool = False,
+    should_rename_legacy: bool = False,
+) -> Optional[str]:
+    """
+    Return a string describing the probable encoding of a file or
+    list of strings.
+
+    :param lines: The lines to get the encoding of.
+    :type lines: Iterable of bytes
+    :param name: Name of file or collection of lines
+    :type name: str
+    :param should_rename_legacy:  Should we rename legacy encodings to
+                                  their more modern equivalents?
+    :type should_rename_legacy:   ``bool``
+    """
+    u = UniversalDetector(should_rename_legacy=should_rename_legacy)
+    for line in lines:
+        line = bytearray(line)
+        u.feed(line)
+        # shortcut out of the loop to save reading further - particularly useful if we read a BOM.
+        if u.done:
+            break
+    u.close()
+    result = u.result
+    if minimal:
+        return result["encoding"]
+    if result["encoding"]:
+        return f'{name}: {result["encoding"]} with confidence {result["confidence"]}'
+    return f"{name}: no result"
+
+
+def main(argv: Optional[List[str]] = None) -> None:
+    """
+    Handles command line arguments and gets things started.
+
+    :param argv: List of arguments, as if specified on the command-line.
+                 If None, ``sys.argv[1:]`` is used instead.
+    :type argv: list of str
+    """
+    # Get command line arguments
+    parser = argparse.ArgumentParser(
+        description=(
+            "Takes one or more file paths and reports their detected encodings"
+        )
+    )
+    parser.add_argument(
+        "input",
+        help="File whose encoding we would like to determine. (default: stdin)",
+        type=argparse.FileType("rb"),
+        nargs="*",
+        default=[sys.stdin.buffer],
+    )
+    parser.add_argument(
+        "--minimal",
+        help="Print only the encoding to standard output",
+        action="store_true",
+    )
+    parser.add_argument(
+        "-l",
+        "--legacy",
+        help="Rename legacy encodings to more modern ones.",
+        action="store_true",
+    )
+    parser.add_argument(
+        "--version", action="version", version=f"%(prog)s {__version__}"
+    )
+    args = parser.parse_args(argv)
+
+    for f in args.input:
+        if f.isatty():
+            print(
+                "You are running chardetect interactively. Press "
+                "CTRL-D twice at the start of a blank line to signal the "
+                "end of your input. If you want help, run chardetect "
+                "--help\n",
+                file=sys.stderr,
+            )
+        print(
+            description_of(
+                f, f.name, minimal=args.minimal, should_rename_legacy=args.legacy
+            )
+        )
+
+
+if __name__ == "__main__":
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/codingstatemachine.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/codingstatemachine.py
new file mode 100644
index 00000000..8ed4a877
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/codingstatemachine.py
@@ -0,0 +1,90 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+import logging
+
+from .codingstatemachinedict import CodingStateMachineDict
+from .enums import MachineState
+
+
+class CodingStateMachine:
+    """
+    A state machine to verify a byte sequence for a particular encoding. For
+    each byte the detector receives, it will feed that byte to every active
+    state machine available, one byte at a time. The state machine changes its
+    state based on its previous state and the byte it receives. There are 3
+    states in a state machine that are of interest to an auto-detector:
+
+    START state: This is the state to start with, or a legal byte sequence
+                 (i.e. a valid code point) for character has been identified.
+
+    ME state:  This indicates that the state machine identified a byte sequence
+               that is specific to the charset it is designed for and that
+               there is no other possible encoding which can contain this byte
+               sequence. This will to lead to an immediate positive answer for
+               the detector.
+
+    ERROR state: This indicates the state machine identified an illegal byte
+                 sequence for that encoding. This will lead to an immediate
+                 negative answer for this encoding. Detector will exclude this
+                 encoding from consideration from here on.
+    """
+
+    def __init__(self, sm: CodingStateMachineDict) -> None:
+        self._model = sm
+        self._curr_byte_pos = 0
+        self._curr_char_len = 0
+        self._curr_state = MachineState.START
+        self.active = True
+        self.logger = logging.getLogger(__name__)
+        self.reset()
+
+    def reset(self) -> None:
+        self._curr_state = MachineState.START
+
+    def next_state(self, c: int) -> int:
+        # for each byte we get its class
+        # if it is first byte, we also get byte length
+        byte_class = self._model["class_table"][c]
+        if self._curr_state == MachineState.START:
+            self._curr_byte_pos = 0
+            self._curr_char_len = self._model["char_len_table"][byte_class]
+        # from byte's class and state_table, we get its next state
+        curr_state = self._curr_state * self._model["class_factor"] + byte_class
+        self._curr_state = self._model["state_table"][curr_state]
+        self._curr_byte_pos += 1
+        return self._curr_state
+
+    def get_current_charlen(self) -> int:
+        return self._curr_char_len
+
+    def get_coding_state_machine(self) -> str:
+        return self._model["name"]
+
+    @property
+    def language(self) -> str:
+        return self._model["language"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/codingstatemachinedict.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/codingstatemachinedict.py
new file mode 100644
index 00000000..7a3c4c7e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/codingstatemachinedict.py
@@ -0,0 +1,19 @@
+from typing import TYPE_CHECKING, Tuple
+
+if TYPE_CHECKING:
+    # TypedDict was introduced in Python 3.8.
+    #
+    # TODO: Remove the else block and TYPE_CHECKING check when dropping support
+    # for Python 3.7.
+    from typing import TypedDict
+
+    class CodingStateMachineDict(TypedDict, total=False):
+        class_table: Tuple[int, ...]
+        class_factor: int
+        state_table: Tuple[int, ...]
+        char_len_table: Tuple[int, ...]
+        name: str
+        language: str  # Optional key
+
+else:
+    CodingStateMachineDict = dict
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cp949prober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cp949prober.py
new file mode 100644
index 00000000..fa7307ed
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/cp949prober.py
@@ -0,0 +1,49 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .chardistribution import EUCKRDistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import CP949_SM_MODEL
+
+
+class CP949Prober(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(CP949_SM_MODEL)
+        # NOTE: CP949 is a superset of EUC-KR, so the distribution should be
+        #       not different.
+        self.distribution_analyzer = EUCKRDistributionAnalysis()
+        self.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "CP949"
+
+    @property
+    def language(self) -> str:
+        return "Korean"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/enums.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/enums.py
new file mode 100644
index 00000000..5e3e1982
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/enums.py
@@ -0,0 +1,85 @@
+"""
+All of the Enums that are used throughout the chardet package.
+
+:author: Dan Blanchard (dan.blanchard@gmail.com)
+"""
+
+from enum import Enum, Flag
+
+
+class InputState:
+    """
+    This enum represents the different states a universal detector can be in.
+    """
+
+    PURE_ASCII = 0
+    ESC_ASCII = 1
+    HIGH_BYTE = 2
+
+
+class LanguageFilter(Flag):
+    """
+    This enum represents the different language filters we can apply to a
+    ``UniversalDetector``.
+    """
+
+    NONE = 0x00
+    CHINESE_SIMPLIFIED = 0x01
+    CHINESE_TRADITIONAL = 0x02
+    JAPANESE = 0x04
+    KOREAN = 0x08
+    NON_CJK = 0x10
+    ALL = 0x1F
+    CHINESE = CHINESE_SIMPLIFIED | CHINESE_TRADITIONAL
+    CJK = CHINESE | JAPANESE | KOREAN
+
+
+class ProbingState(Enum):
+    """
+    This enum represents the different states a prober can be in.
+    """
+
+    DETECTING = 0
+    FOUND_IT = 1
+    NOT_ME = 2
+
+
+class MachineState:
+    """
+    This enum represents the different states a state machine can be in.
+    """
+
+    START = 0
+    ERROR = 1
+    ITS_ME = 2
+
+
+class SequenceLikelihood:
+    """
+    This enum represents the likelihood of a character following the previous one.
+    """
+
+    NEGATIVE = 0
+    UNLIKELY = 1
+    LIKELY = 2
+    POSITIVE = 3
+
+    @classmethod
+    def get_num_categories(cls) -> int:
+        """:returns: The number of likelihood categories in the enum."""
+        return 4
+
+
+class CharacterCategory:
+    """
+    This enum represents the different categories language models for
+    ``SingleByteCharsetProber`` put characters into.
+
+    Anything less than CONTROL is considered a letter.
+    """
+
+    UNDEFINED = 255
+    LINE_BREAK = 254
+    SYMBOL = 253
+    DIGIT = 252
+    CONTROL = 251
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/escprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/escprober.py
new file mode 100644
index 00000000..fd713830
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/escprober.py
@@ -0,0 +1,102 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Optional, Union
+
+from .charsetprober import CharSetProber
+from .codingstatemachine import CodingStateMachine
+from .enums import LanguageFilter, MachineState, ProbingState
+from .escsm import (
+    HZ_SM_MODEL,
+    ISO2022CN_SM_MODEL,
+    ISO2022JP_SM_MODEL,
+    ISO2022KR_SM_MODEL,
+)
+
+
+class EscCharSetProber(CharSetProber):
+    """
+    This CharSetProber uses a "code scheme" approach for detecting encodings,
+    whereby easily recognizable escape or shift sequences are relied on to
+    identify these encodings.
+    """
+
+    def __init__(self, lang_filter: LanguageFilter = LanguageFilter.NONE) -> None:
+        super().__init__(lang_filter=lang_filter)
+        self.coding_sm = []
+        if self.lang_filter & LanguageFilter.CHINESE_SIMPLIFIED:
+            self.coding_sm.append(CodingStateMachine(HZ_SM_MODEL))
+            self.coding_sm.append(CodingStateMachine(ISO2022CN_SM_MODEL))
+        if self.lang_filter & LanguageFilter.JAPANESE:
+            self.coding_sm.append(CodingStateMachine(ISO2022JP_SM_MODEL))
+        if self.lang_filter & LanguageFilter.KOREAN:
+            self.coding_sm.append(CodingStateMachine(ISO2022KR_SM_MODEL))
+        self.active_sm_count = 0
+        self._detected_charset: Optional[str] = None
+        self._detected_language: Optional[str] = None
+        self._state = ProbingState.DETECTING
+        self.reset()
+
+    def reset(self) -> None:
+        super().reset()
+        for coding_sm in self.coding_sm:
+            coding_sm.active = True
+            coding_sm.reset()
+        self.active_sm_count = len(self.coding_sm)
+        self._detected_charset = None
+        self._detected_language = None
+
+    @property
+    def charset_name(self) -> Optional[str]:
+        return self._detected_charset
+
+    @property
+    def language(self) -> Optional[str]:
+        return self._detected_language
+
+    def get_confidence(self) -> float:
+        return 0.99 if self._detected_charset else 0.00
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        for c in byte_str:
+            for coding_sm in self.coding_sm:
+                if not coding_sm.active:
+                    continue
+                coding_state = coding_sm.next_state(c)
+                if coding_state == MachineState.ERROR:
+                    coding_sm.active = False
+                    self.active_sm_count -= 1
+                    if self.active_sm_count <= 0:
+                        self._state = ProbingState.NOT_ME
+                        return self.state
+                elif coding_state == MachineState.ITS_ME:
+                    self._state = ProbingState.FOUND_IT
+                    self._detected_charset = coding_sm.get_coding_state_machine()
+                    self._detected_language = coding_sm.language
+                    return self.state
+
+        return self.state
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/escsm.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/escsm.py
new file mode 100644
index 00000000..11d4adf7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/escsm.py
@@ -0,0 +1,261 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License,  or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not,  write to the Free Software
+# Foundation,  Inc.,  51 Franklin St,  Fifth Floor,  Boston,  MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .codingstatemachinedict import CodingStateMachineDict
+from .enums import MachineState
+
+# fmt: off
+HZ_CLS = (
+    1, 0, 0, 0, 0, 0, 0, 0,  # 00 - 07
+    0, 0, 0, 0, 0, 0, 0, 0,  # 08 - 0f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 10 - 17
+    0, 0, 0, 1, 0, 0, 0, 0,  # 18 - 1f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 20 - 27
+    0, 0, 0, 0, 0, 0, 0, 0,  # 28 - 2f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 30 - 37
+    0, 0, 0, 0, 0, 0, 0, 0,  # 38 - 3f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 40 - 47
+    0, 0, 0, 0, 0, 0, 0, 0,  # 48 - 4f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 50 - 57
+    0, 0, 0, 0, 0, 0, 0, 0,  # 58 - 5f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 60 - 67
+    0, 0, 0, 0, 0, 0, 0, 0,  # 68 - 6f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 70 - 77
+    0, 0, 0, 4, 0, 5, 2, 0,  # 78 - 7f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 80 - 87
+    1, 1, 1, 1, 1, 1, 1, 1,  # 88 - 8f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 90 - 97
+    1, 1, 1, 1, 1, 1, 1, 1,  # 98 - 9f
+    1, 1, 1, 1, 1, 1, 1, 1,  # a0 - a7
+    1, 1, 1, 1, 1, 1, 1, 1,  # a8 - af
+    1, 1, 1, 1, 1, 1, 1, 1,  # b0 - b7
+    1, 1, 1, 1, 1, 1, 1, 1,  # b8 - bf
+    1, 1, 1, 1, 1, 1, 1, 1,  # c0 - c7
+    1, 1, 1, 1, 1, 1, 1, 1,  # c8 - cf
+    1, 1, 1, 1, 1, 1, 1, 1,  # d0 - d7
+    1, 1, 1, 1, 1, 1, 1, 1,  # d8 - df
+    1, 1, 1, 1, 1, 1, 1, 1,  # e0 - e7
+    1, 1, 1, 1, 1, 1, 1, 1,  # e8 - ef
+    1, 1, 1, 1, 1, 1, 1, 1,  # f0 - f7
+    1, 1, 1, 1, 1, 1, 1, 1,  # f8 - ff
+)
+
+HZ_ST = (
+MachineState.START, MachineState.ERROR,      3, MachineState.START, MachineState.START, MachineState.START, MachineState.ERROR, MachineState.ERROR, # 00-07
+MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, # 08-0f
+MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ERROR, MachineState.ERROR, MachineState.START, MachineState.START,      4, MachineState.ERROR, # 10-17
+     5, MachineState.ERROR,      6, MachineState.ERROR,      5,      5,      4, MachineState.ERROR, # 18-1f
+     4, MachineState.ERROR,      4,      4,      4, MachineState.ERROR,      4, MachineState.ERROR, # 20-27
+     4, MachineState.ITS_ME, MachineState.START, MachineState.START, MachineState.START, MachineState.START, MachineState.START, MachineState.START, # 28-2f
+)
+# fmt: on
+
+HZ_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0)
+
+HZ_SM_MODEL: CodingStateMachineDict = {
+    "class_table": HZ_CLS,
+    "class_factor": 6,
+    "state_table": HZ_ST,
+    "char_len_table": HZ_CHAR_LEN_TABLE,
+    "name": "HZ-GB-2312",
+    "language": "Chinese",
+}
+
+# fmt: off
+ISO2022CN_CLS = (
+    2, 0, 0, 0, 0, 0, 0, 0,  # 00 - 07
+    0, 0, 0, 0, 0, 0, 0, 0,  # 08 - 0f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 10 - 17
+    0, 0, 0, 1, 0, 0, 0, 0,  # 18 - 1f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 20 - 27
+    0, 3, 0, 0, 0, 0, 0, 0,  # 28 - 2f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 30 - 37
+    0, 0, 0, 0, 0, 0, 0, 0,  # 38 - 3f
+    0, 0, 0, 4, 0, 0, 0, 0,  # 40 - 47
+    0, 0, 0, 0, 0, 0, 0, 0,  # 48 - 4f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 50 - 57
+    0, 0, 0, 0, 0, 0, 0, 0,  # 58 - 5f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 60 - 67
+    0, 0, 0, 0, 0, 0, 0, 0,  # 68 - 6f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 70 - 77
+    0, 0, 0, 0, 0, 0, 0, 0,  # 78 - 7f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 80 - 87
+    2, 2, 2, 2, 2, 2, 2, 2,  # 88 - 8f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 90 - 97
+    2, 2, 2, 2, 2, 2, 2, 2,  # 98 - 9f
+    2, 2, 2, 2, 2, 2, 2, 2,  # a0 - a7
+    2, 2, 2, 2, 2, 2, 2, 2,  # a8 - af
+    2, 2, 2, 2, 2, 2, 2, 2,  # b0 - b7
+    2, 2, 2, 2, 2, 2, 2, 2,  # b8 - bf
+    2, 2, 2, 2, 2, 2, 2, 2,  # c0 - c7
+    2, 2, 2, 2, 2, 2, 2, 2,  # c8 - cf
+    2, 2, 2, 2, 2, 2, 2, 2,  # d0 - d7
+    2, 2, 2, 2, 2, 2, 2, 2,  # d8 - df
+    2, 2, 2, 2, 2, 2, 2, 2,  # e0 - e7
+    2, 2, 2, 2, 2, 2, 2, 2,  # e8 - ef
+    2, 2, 2, 2, 2, 2, 2, 2,  # f0 - f7
+    2, 2, 2, 2, 2, 2, 2, 2,  # f8 - ff
+)
+
+ISO2022CN_ST = (
+    MachineState.START,      3, MachineState.ERROR, MachineState.START, MachineState.START, MachineState.START, MachineState.START, MachineState.START, # 00-07
+    MachineState.START, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, # 08-0f
+    MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, # 10-17
+    MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR,      4, MachineState.ERROR, # 18-1f
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, # 20-27
+        5,      6, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, # 28-2f
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, # 30-37
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ERROR, MachineState.START, # 38-3f
+)
+# fmt: on
+
+ISO2022CN_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0)
+
+ISO2022CN_SM_MODEL: CodingStateMachineDict = {
+    "class_table": ISO2022CN_CLS,
+    "class_factor": 9,
+    "state_table": ISO2022CN_ST,
+    "char_len_table": ISO2022CN_CHAR_LEN_TABLE,
+    "name": "ISO-2022-CN",
+    "language": "Chinese",
+}
+
+# fmt: off
+ISO2022JP_CLS = (
+    2, 0, 0, 0, 0, 0, 0, 0,  # 00 - 07
+    0, 0, 0, 0, 0, 0, 2, 2,  # 08 - 0f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 10 - 17
+    0, 0, 0, 1, 0, 0, 0, 0,  # 18 - 1f
+    0, 0, 0, 0, 7, 0, 0, 0,  # 20 - 27
+    3, 0, 0, 0, 0, 0, 0, 0,  # 28 - 2f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 30 - 37
+    0, 0, 0, 0, 0, 0, 0, 0,  # 38 - 3f
+    6, 0, 4, 0, 8, 0, 0, 0,  # 40 - 47
+    0, 9, 5, 0, 0, 0, 0, 0,  # 48 - 4f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 50 - 57
+    0, 0, 0, 0, 0, 0, 0, 0,  # 58 - 5f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 60 - 67
+    0, 0, 0, 0, 0, 0, 0, 0,  # 68 - 6f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 70 - 77
+    0, 0, 0, 0, 0, 0, 0, 0,  # 78 - 7f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 80 - 87
+    2, 2, 2, 2, 2, 2, 2, 2,  # 88 - 8f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 90 - 97
+    2, 2, 2, 2, 2, 2, 2, 2,  # 98 - 9f
+    2, 2, 2, 2, 2, 2, 2, 2,  # a0 - a7
+    2, 2, 2, 2, 2, 2, 2, 2,  # a8 - af
+    2, 2, 2, 2, 2, 2, 2, 2,  # b0 - b7
+    2, 2, 2, 2, 2, 2, 2, 2,  # b8 - bf
+    2, 2, 2, 2, 2, 2, 2, 2,  # c0 - c7
+    2, 2, 2, 2, 2, 2, 2, 2,  # c8 - cf
+    2, 2, 2, 2, 2, 2, 2, 2,  # d0 - d7
+    2, 2, 2, 2, 2, 2, 2, 2,  # d8 - df
+    2, 2, 2, 2, 2, 2, 2, 2,  # e0 - e7
+    2, 2, 2, 2, 2, 2, 2, 2,  # e8 - ef
+    2, 2, 2, 2, 2, 2, 2, 2,  # f0 - f7
+    2, 2, 2, 2, 2, 2, 2, 2,  # f8 - ff
+)
+
+ISO2022JP_ST = (
+    MachineState.START,      3, MachineState.ERROR, MachineState.START, MachineState.START, MachineState.START, MachineState.START, MachineState.START, # 00-07
+    MachineState.START, MachineState.START, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, # 08-0f
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, # 10-17
+    MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ERROR, MachineState.ERROR, # 18-1f
+    MachineState.ERROR,      5, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR,      4, MachineState.ERROR, MachineState.ERROR, # 20-27
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR,      6, MachineState.ITS_ME, MachineState.ERROR, MachineState.ITS_ME, MachineState.ERROR, # 28-2f
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ITS_ME, # 30-37
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, # 38-3f
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ERROR, MachineState.START, MachineState.START, # 40-47
+)
+# fmt: on
+
+ISO2022JP_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
+
+ISO2022JP_SM_MODEL: CodingStateMachineDict = {
+    "class_table": ISO2022JP_CLS,
+    "class_factor": 10,
+    "state_table": ISO2022JP_ST,
+    "char_len_table": ISO2022JP_CHAR_LEN_TABLE,
+    "name": "ISO-2022-JP",
+    "language": "Japanese",
+}
+
+# fmt: off
+ISO2022KR_CLS = (
+    2, 0, 0, 0, 0, 0, 0, 0,  # 00 - 07
+    0, 0, 0, 0, 0, 0, 0, 0,  # 08 - 0f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 10 - 17
+    0, 0, 0, 1, 0, 0, 0, 0,  # 18 - 1f
+    0, 0, 0, 0, 3, 0, 0, 0,  # 20 - 27
+    0, 4, 0, 0, 0, 0, 0, 0,  # 28 - 2f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 30 - 37
+    0, 0, 0, 0, 0, 0, 0, 0,  # 38 - 3f
+    0, 0, 0, 5, 0, 0, 0, 0,  # 40 - 47
+    0, 0, 0, 0, 0, 0, 0, 0,  # 48 - 4f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 50 - 57
+    0, 0, 0, 0, 0, 0, 0, 0,  # 58 - 5f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 60 - 67
+    0, 0, 0, 0, 0, 0, 0, 0,  # 68 - 6f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 70 - 77
+    0, 0, 0, 0, 0, 0, 0, 0,  # 78 - 7f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 80 - 87
+    2, 2, 2, 2, 2, 2, 2, 2,  # 88 - 8f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 90 - 97
+    2, 2, 2, 2, 2, 2, 2, 2,  # 98 - 9f
+    2, 2, 2, 2, 2, 2, 2, 2,  # a0 - a7
+    2, 2, 2, 2, 2, 2, 2, 2,  # a8 - af
+    2, 2, 2, 2, 2, 2, 2, 2,  # b0 - b7
+    2, 2, 2, 2, 2, 2, 2, 2,  # b8 - bf
+    2, 2, 2, 2, 2, 2, 2, 2,  # c0 - c7
+    2, 2, 2, 2, 2, 2, 2, 2,  # c8 - cf
+    2, 2, 2, 2, 2, 2, 2, 2,  # d0 - d7
+    2, 2, 2, 2, 2, 2, 2, 2,  # d8 - df
+    2, 2, 2, 2, 2, 2, 2, 2,  # e0 - e7
+    2, 2, 2, 2, 2, 2, 2, 2,  # e8 - ef
+    2, 2, 2, 2, 2, 2, 2, 2,  # f0 - f7
+    2, 2, 2, 2, 2, 2, 2, 2,  # f8 - ff
+)
+
+ISO2022KR_ST = (
+    MachineState.START,      3, MachineState.ERROR, MachineState.START, MachineState.START, MachineState.START, MachineState.ERROR, MachineState.ERROR, # 00-07
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ITS_ME, # 08-0f
+    MachineState.ITS_ME, MachineState.ITS_ME, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR,      4, MachineState.ERROR, MachineState.ERROR, # 10-17
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR,      5, MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, # 18-1f
+    MachineState.ERROR, MachineState.ERROR, MachineState.ERROR, MachineState.ITS_ME, MachineState.START, MachineState.START, MachineState.START, MachineState.START, # 20-27
+)
+# fmt: on
+
+ISO2022KR_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0)
+
+ISO2022KR_SM_MODEL: CodingStateMachineDict = {
+    "class_table": ISO2022KR_CLS,
+    "class_factor": 6,
+    "state_table": ISO2022KR_ST,
+    "char_len_table": ISO2022KR_CHAR_LEN_TABLE,
+    "name": "ISO-2022-KR",
+    "language": "Korean",
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/eucjpprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/eucjpprober.py
new file mode 100644
index 00000000..39487f40
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/eucjpprober.py
@@ -0,0 +1,102 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Union
+
+from .chardistribution import EUCJPDistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .enums import MachineState, ProbingState
+from .jpcntx import EUCJPContextAnalysis
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import EUCJP_SM_MODEL
+
+
+class EUCJPProber(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(EUCJP_SM_MODEL)
+        self.distribution_analyzer = EUCJPDistributionAnalysis()
+        self.context_analyzer = EUCJPContextAnalysis()
+        self.reset()
+
+    def reset(self) -> None:
+        super().reset()
+        self.context_analyzer.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "EUC-JP"
+
+    @property
+    def language(self) -> str:
+        return "Japanese"
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        assert self.coding_sm is not None
+        assert self.distribution_analyzer is not None
+
+        for i, byte in enumerate(byte_str):
+            # PY3K: byte_str is a byte array, so byte is an int, not a byte
+            coding_state = self.coding_sm.next_state(byte)
+            if coding_state == MachineState.ERROR:
+                self.logger.debug(
+                    "%s %s prober hit error at byte %s",
+                    self.charset_name,
+                    self.language,
+                    i,
+                )
+                self._state = ProbingState.NOT_ME
+                break
+            if coding_state == MachineState.ITS_ME:
+                self._state = ProbingState.FOUND_IT
+                break
+            if coding_state == MachineState.START:
+                char_len = self.coding_sm.get_current_charlen()
+                if i == 0:
+                    self._last_char[1] = byte
+                    self.context_analyzer.feed(self._last_char, char_len)
+                    self.distribution_analyzer.feed(self._last_char, char_len)
+                else:
+                    self.context_analyzer.feed(byte_str[i - 1 : i + 1], char_len)
+                    self.distribution_analyzer.feed(byte_str[i - 1 : i + 1], char_len)
+
+        self._last_char[0] = byte_str[-1]
+
+        if self.state == ProbingState.DETECTING:
+            if self.context_analyzer.got_enough_data() and (
+                self.get_confidence() > self.SHORTCUT_THRESHOLD
+            ):
+                self._state = ProbingState.FOUND_IT
+
+        return self.state
+
+    def get_confidence(self) -> float:
+        assert self.distribution_analyzer is not None
+
+        context_conf = self.context_analyzer.get_confidence()
+        distrib_conf = self.distribution_analyzer.get_confidence()
+        return max(context_conf, distrib_conf)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euckrfreq.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euckrfreq.py
new file mode 100644
index 00000000..7dc3b103
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euckrfreq.py
@@ -0,0 +1,196 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+# Sampling from about 20M text materials include literature and computer technology
+
+# 128  --> 0.79
+# 256  --> 0.92
+# 512  --> 0.986
+# 1024 --> 0.99944
+# 2048 --> 0.99999
+#
+# Idea Distribution Ratio = 0.98653 / (1-0.98653) = 73.24
+# Random Distribution Ration = 512 / (2350-512) = 0.279.
+#
+# Typical Distribution Ratio
+
+EUCKR_TYPICAL_DISTRIBUTION_RATIO = 6.0
+
+EUCKR_TABLE_SIZE = 2352
+
+# Char to FreqOrder table ,
+# fmt: off
+EUCKR_CHAR_TO_FREQ_ORDER = (
+  13, 130, 120,1396, 481,1719,1720, 328, 609, 212,1721, 707, 400, 299,1722,  87,
+1397,1723, 104, 536,1117,1203,1724,1267, 685,1268, 508,1725,1726,1727,1728,1398,
+1399,1729,1730,1731, 141, 621, 326,1057, 368,1732, 267, 488,  20,1733,1269,1734,
+ 945,1400,1735,  47, 904,1270,1736,1737, 773, 248,1738, 409, 313, 786, 429,1739,
+ 116, 987, 813,1401, 683,  75,1204, 145,1740,1741,1742,1743,  16, 847, 667, 622,
+ 708,1744,1745,1746, 966, 787, 304, 129,1747,  60, 820, 123, 676,1748,1749,1750,
+1751, 617,1752, 626,1753,1754,1755,1756, 653,1757,1758,1759,1760,1761,1762, 856,
+ 344,1763,1764,1765,1766,  89, 401, 418, 806, 905, 848,1767,1768,1769, 946,1205,
+ 709,1770,1118,1771, 241,1772,1773,1774,1271,1775, 569,1776, 999,1777,1778,1779,
+1780, 337, 751,1058,  28, 628, 254,1781, 177, 906, 270, 349, 891,1079,1782,  19,
+1783, 379,1784, 315,1785, 629, 754,1402, 559,1786, 636, 203,1206,1787, 710, 567,
+1788, 935, 814,1789,1790,1207, 766, 528,1791,1792,1208,1793,1794,1795,1796,1797,
+1403,1798,1799, 533,1059,1404,1405,1156,1406, 936, 884,1080,1800, 351,1801,1802,
+1803,1804,1805, 801,1806,1807,1808,1119,1809,1157, 714, 474,1407,1810, 298, 899,
+ 885,1811,1120, 802,1158,1812, 892,1813,1814,1408, 659,1815,1816,1121,1817,1818,
+1819,1820,1821,1822, 319,1823, 594, 545,1824, 815, 937,1209,1825,1826, 573,1409,
+1022,1827,1210,1828,1829,1830,1831,1832,1833, 556, 722, 807,1122,1060,1834, 697,
+1835, 900, 557, 715,1836,1410, 540,1411, 752,1159, 294, 597,1211, 976, 803, 770,
+1412,1837,1838,  39, 794,1413, 358,1839, 371, 925,1840, 453, 661, 788, 531, 723,
+ 544,1023,1081, 869,  91,1841, 392, 430, 790, 602,1414, 677,1082, 457,1415,1416,
+1842,1843, 475, 327,1024,1417, 795, 121,1844, 733, 403,1418,1845,1846,1847, 300,
+ 119, 711,1212, 627,1848,1272, 207,1849,1850, 796,1213, 382,1851, 519,1852,1083,
+ 893,1853,1854,1855, 367, 809, 487, 671,1856, 663,1857,1858, 956, 471, 306, 857,
+1859,1860,1160,1084,1861,1862,1863,1864,1865,1061,1866,1867,1868,1869,1870,1871,
+ 282,  96, 574,1872, 502,1085,1873,1214,1874, 907,1875,1876, 827, 977,1419,1420,
+1421, 268,1877,1422,1878,1879,1880, 308,1881,   2, 537,1882,1883,1215,1884,1885,
+ 127, 791,1886,1273,1423,1887,  34, 336, 404, 643,1888, 571, 654, 894, 840,1889,
+   0, 886,1274, 122, 575, 260, 908, 938,1890,1275, 410, 316,1891,1892, 100,1893,
+1894,1123,  48,1161,1124,1025,1895, 633, 901,1276,1896,1897, 115, 816,1898, 317,
+1899, 694,1900, 909, 734,1424, 572, 866,1425, 691,  85, 524,1010, 543, 394, 841,
+1901,1902,1903,1026,1904,1905,1906,1907,1908,1909,  30, 451, 651, 988, 310,1910,
+1911,1426, 810,1216,  93,1912,1913,1277,1217,1914, 858, 759,  45,  58, 181, 610,
+ 269,1915,1916, 131,1062, 551, 443,1000, 821,1427, 957, 895,1086,1917,1918, 375,
+1919, 359,1920, 687,1921, 822,1922, 293,1923,1924,  40, 662, 118, 692,  29, 939,
+ 887, 640, 482, 174,1925,  69,1162, 728,1428, 910,1926,1278,1218,1279, 386, 870,
+ 217, 854,1163, 823,1927,1928,1929,1930, 834,1931,  78,1932, 859,1933,1063,1934,
+1935,1936,1937, 438,1164, 208, 595,1938,1939,1940,1941,1219,1125,1942, 280, 888,
+1429,1430,1220,1431,1943,1944,1945,1946,1947,1280, 150, 510,1432,1948,1949,1950,
+1951,1952,1953,1954,1011,1087,1955,1433,1043,1956, 881,1957, 614, 958,1064,1065,
+1221,1958, 638,1001, 860, 967, 896,1434, 989, 492, 553,1281,1165,1959,1282,1002,
+1283,1222,1960,1961,1962,1963,  36, 383, 228, 753, 247, 454,1964, 876, 678,1965,
+1966,1284, 126, 464, 490, 835, 136, 672, 529, 940,1088,1435, 473,1967,1968, 467,
+  50, 390, 227, 587, 279, 378, 598, 792, 968, 240, 151, 160, 849, 882,1126,1285,
+ 639,1044, 133, 140, 288, 360, 811, 563,1027, 561, 142, 523,1969,1970,1971,   7,
+ 103, 296, 439, 407, 506, 634, 990,1972,1973,1974,1975, 645,1976,1977,1978,1979,
+1980,1981, 236,1982,1436,1983,1984,1089, 192, 828, 618, 518,1166, 333,1127,1985,
+ 818,1223,1986,1987,1988,1989,1990,1991,1992,1993, 342,1128,1286, 746, 842,1994,
+1995, 560, 223,1287,  98,   8, 189, 650, 978,1288,1996,1437,1997,  17, 345, 250,
+ 423, 277, 234, 512, 226,  97, 289,  42, 167,1998, 201,1999,2000, 843, 836, 824,
+ 532, 338, 783,1090, 182, 576, 436,1438,1439, 527, 500,2001, 947, 889,2002,2003,
+2004,2005, 262, 600, 314, 447,2006, 547,2007, 693, 738,1129,2008,  71,1440, 745,
+ 619, 688,2009, 829,2010,2011, 147,2012,  33, 948,2013,2014,  74, 224,2015,  61,
+ 191, 918, 399, 637,2016,1028,1130, 257, 902,2017,2018,2019,2020,2021,2022,2023,
+2024,2025,2026, 837,2027,2028,2029,2030, 179, 874, 591,  52, 724, 246,2031,2032,
+2033,2034,1167, 969,2035,1289, 630, 605, 911,1091,1168,2036,2037,2038,1441, 912,
+2039, 623,2040,2041, 253,1169,1290,2042,1442, 146, 620, 611, 577, 433,2043,1224,
+ 719,1170, 959, 440, 437, 534,  84, 388, 480,1131, 159, 220, 198, 679,2044,1012,
+ 819,1066,1443, 113,1225, 194, 318,1003,1029,2045,2046,2047,2048,1067,2049,2050,
+2051,2052,2053,  59, 913, 112,2054, 632,2055, 455, 144, 739,1291,2056, 273, 681,
+ 499,2057, 448,2058,2059, 760,2060,2061, 970, 384, 169, 245,1132,2062,2063, 414,
+1444,2064,2065,  41, 235,2066, 157, 252, 877, 568, 919, 789, 580,2067, 725,2068,
+2069,1292,2070,2071,1445,2072,1446,2073,2074,  55, 588,  66,1447, 271,1092,2075,
+1226,2076, 960,1013, 372,2077,2078,2079,2080,2081,1293,2082,2083,2084,2085, 850,
+2086,2087,2088,2089,2090, 186,2091,1068, 180,2092,2093,2094, 109,1227, 522, 606,
+2095, 867,1448,1093, 991,1171, 926, 353,1133,2096, 581,2097,2098,2099,1294,1449,
+1450,2100, 596,1172,1014,1228,2101,1451,1295,1173,1229,2102,2103,1296,1134,1452,
+ 949,1135,2104,2105,1094,1453,1454,1455,2106,1095,2107,2108,2109,2110,2111,2112,
+2113,2114,2115,2116,2117, 804,2118,2119,1230,1231, 805,1456, 405,1136,2120,2121,
+2122,2123,2124, 720, 701,1297, 992,1457, 927,1004,2125,2126,2127,2128,2129,2130,
+  22, 417,2131, 303,2132, 385,2133, 971, 520, 513,2134,1174,  73,1096, 231, 274,
+ 962,1458, 673,2135,1459,2136, 152,1137,2137,2138,2139,2140,1005,1138,1460,1139,
+2141,2142,2143,2144,  11, 374, 844,2145, 154,1232,  46,1461,2146, 838, 830, 721,
+1233, 106,2147,  90, 428, 462, 578, 566,1175, 352,2148,2149, 538,1234, 124,1298,
+2150,1462, 761, 565,2151, 686,2152, 649,2153,  72, 173,2154, 460, 415,2155,1463,
+2156,1235, 305,2157,2158,2159,2160,2161,2162, 579,2163,2164,2165,2166,2167, 747,
+2168,2169,2170,2171,1464, 669,2172,2173,2174,2175,2176,1465,2177,  23, 530, 285,
+2178, 335, 729,2179, 397,2180,2181,2182,1030,2183,2184, 698,2185,2186, 325,2187,
+2188, 369,2189, 799,1097,1015, 348,2190,1069, 680,2191, 851,1466,2192,2193,  10,
+2194, 613, 424,2195, 979, 108, 449, 589,  27, 172,  81,1031,  80, 774, 281, 350,
+1032, 525, 301, 582,1176,2196, 674,1045,2197,2198,1467, 730, 762,2199,2200,2201,
+2202,1468,2203, 993,2204,2205, 266,1070, 963,1140,2206,2207,2208, 664,1098, 972,
+2209,2210,2211,1177,1469,1470, 871,2212,2213,2214,2215,2216,1471,2217,2218,2219,
+2220,2221,2222,2223,2224,2225,2226,2227,1472,1236,2228,2229,2230,2231,2232,2233,
+2234,2235,1299,2236,2237, 200,2238, 477, 373,2239,2240, 731, 825, 777,2241,2242,
+2243, 521, 486, 548,2244,2245,2246,1473,1300,  53, 549, 137, 875,  76, 158,2247,
+1301,1474, 469, 396,1016, 278, 712,2248, 321, 442, 503, 767, 744, 941,1237,1178,
+1475,2249,  82, 178,1141,1179, 973,2250,1302,2251, 297,2252,2253, 570,2254,2255,
+2256,  18, 450, 206,2257, 290, 292,1142,2258, 511, 162,  99, 346, 164, 735,2259,
+1476,1477,   4, 554, 343, 798,1099,2260,1100,2261,  43, 171,1303, 139, 215,2262,
+2263, 717, 775,2264,1033, 322, 216,2265, 831,2266, 149,2267,1304,2268,2269, 702,
+1238, 135, 845, 347, 309,2270, 484,2271, 878, 655, 238,1006,1478,2272,  67,2273,
+ 295,2274,2275, 461,2276, 478, 942, 412,2277,1034,2278,2279,2280, 265,2281, 541,
+2282,2283,2284,2285,2286,  70, 852,1071,2287,2288,2289,2290,  21,  56, 509, 117,
+ 432,2291,2292, 331, 980, 552,1101, 148, 284, 105, 393,1180,1239, 755,2293, 187,
+2294,1046,1479,2295, 340,2296,  63,1047, 230,2297,2298,1305, 763,1306, 101, 800,
+ 808, 494,2299,2300,2301, 903,2302,  37,1072,  14,   5,2303,  79, 675,2304, 312,
+2305,2306,2307,2308,2309,1480,   6,1307,2310,2311,2312,   1, 470,  35,  24, 229,
+2313, 695, 210,  86, 778,  15, 784, 592, 779,  32,  77, 855, 964,2314, 259,2315,
+ 501, 380,2316,2317,  83, 981, 153, 689,1308,1481,1482,1483,2318,2319, 716,1484,
+2320,2321,2322,2323,2324,2325,1485,2326,2327, 128,  57,  68, 261,1048, 211, 170,
+1240,  31,2328,  51, 435, 742,2329,2330,2331, 635,2332, 264, 456,2333,2334,2335,
+ 425,2336,1486, 143, 507, 263, 943,2337, 363, 920,1487, 256,1488,1102, 243, 601,
+1489,2338,2339,2340,2341,2342,2343,2344, 861,2345,2346,2347,2348,2349,2350, 395,
+2351,1490,1491,  62, 535, 166, 225,2352,2353, 668, 419,1241, 138, 604, 928,2354,
+1181,2355,1492,1493,2356,2357,2358,1143,2359, 696,2360, 387, 307,1309, 682, 476,
+2361,2362, 332,  12, 222, 156,2363, 232,2364, 641, 276, 656, 517,1494,1495,1035,
+ 416, 736,1496,2365,1017, 586,2366,2367,2368,1497,2369, 242,2370,2371,2372,1498,
+2373, 965, 713,2374,2375,2376,2377, 740, 982,1499, 944,1500,1007,2378,2379,1310,
+1501,2380,2381,2382, 785, 329,2383,2384,1502,2385,2386,2387, 932,2388,1503,2389,
+2390,2391,2392,1242,2393,2394,2395,2396,2397, 994, 950,2398,2399,2400,2401,1504,
+1311,2402,2403,2404,2405,1049, 749,2406,2407, 853, 718,1144,1312,2408,1182,1505,
+2409,2410, 255, 516, 479, 564, 550, 214,1506,1507,1313, 413, 239, 444, 339,1145,
+1036,1508,1509,1314,1037,1510,1315,2411,1511,2412,2413,2414, 176, 703, 497, 624,
+ 593, 921, 302,2415, 341, 165,1103,1512,2416,1513,2417,2418,2419, 376,2420, 700,
+2421,2422,2423, 258, 768,1316,2424,1183,2425, 995, 608,2426,2427,2428,2429, 221,
+2430,2431,2432,2433,2434,2435,2436,2437, 195, 323, 726, 188, 897, 983,1317, 377,
+ 644,1050, 879,2438, 452,2439,2440,2441,2442,2443,2444, 914,2445,2446,2447,2448,
+ 915, 489,2449,1514,1184,2450,2451, 515,  64, 427, 495,2452, 583,2453, 483, 485,
+1038, 562, 213,1515, 748, 666,2454,2455,2456,2457, 334,2458, 780, 996,1008, 705,
+1243,2459,2460,2461,2462,2463, 114,2464, 493,1146, 366, 163,1516, 961,1104,2465,
+ 291,2466,1318,1105,2467,1517, 365,2468, 355, 951,1244,2469,1319,2470, 631,2471,
+2472, 218,1320, 364, 320, 756,1518,1519,1321,1520,1322,2473,2474,2475,2476, 997,
+2477,2478,2479,2480, 665,1185,2481, 916,1521,2482,2483,2484, 584, 684,2485,2486,
+ 797,2487,1051,1186,2488,2489,2490,1522,2491,2492, 370,2493,1039,1187,  65,2494,
+ 434, 205, 463,1188,2495, 125, 812, 391, 402, 826, 699, 286, 398, 155, 781, 771,
+ 585,2496, 590, 505,1073,2497, 599, 244, 219, 917,1018, 952, 646,1523,2498,1323,
+2499,2500,  49, 984, 354, 741,2501, 625,2502,1324,2503,1019, 190, 357, 757, 491,
+  95, 782, 868,2504,2505,2506,2507,2508,2509, 134,1524,1074, 422,1525, 898,2510,
+ 161,2511,2512,2513,2514, 769,2515,1526,2516,2517, 411,1325,2518, 472,1527,2519,
+2520,2521,2522,2523,2524, 985,2525,2526,2527,2528,2529,2530, 764,2531,1245,2532,
+2533,  25, 204, 311,2534, 496,2535,1052,2536,2537,2538,2539,2540,2541,2542, 199,
+ 704, 504, 468, 758, 657,1528, 196,  44, 839,1246, 272, 750,2543, 765, 862,2544,
+2545,1326,2546, 132, 615, 933,2547, 732,2548,2549,2550,1189,1529,2551, 283,1247,
+1053, 607, 929,2552,2553,2554, 930, 183, 872, 616,1040,1147,2555,1148,1020, 441,
+ 249,1075,2556,2557,2558, 466, 743,2559,2560,2561,  92, 514, 426, 420, 526,2562,
+2563,2564,2565,2566,2567,2568, 185,2569,2570,2571,2572, 776,1530, 658,2573, 362,
+2574, 361, 922,1076, 793,2575,2576,2577,2578,2579,2580,1531, 251,2581,2582,2583,
+2584,1532,  54, 612, 237,1327,2585,2586, 275, 408, 647, 111,2587,1533,1106, 465,
+   3, 458,   9,  38,2588, 107, 110, 890, 209,  26, 737, 498,2589,1534,2590, 431,
+ 202,  88,1535, 356, 287,1107, 660,1149,2591, 381,1536, 986,1150, 445,1248,1151,
+ 974,2592,2593, 846,2594, 446, 953, 184,1249,1250, 727,2595, 923, 193, 883,2596,
+2597,2598, 102, 324, 539, 817,2599, 421,1041,2600, 832,2601,  94, 175, 197, 406,
+2602, 459,2603,2604,2605,2606,2607, 330, 555,2608,2609,2610, 706,1108, 389,2611,
+2612,2613,2614, 233,2615, 833, 558, 931, 954,1251,2616,2617,1537, 546,2618,2619,
+1009,2620,2621,2622,1538, 690,1328,2623, 955,2624,1539,2625,2626, 772,2627,2628,
+2629,2630,2631, 924, 648, 863, 603,2632,2633, 934,1540, 864, 865,2634, 642,1042,
+ 670,1190,2635,2636,2637,2638, 168,2639, 652, 873, 542,1054,1541,2640,2641,2642,  # 512, 256
+)
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euckrprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euckrprober.py
new file mode 100644
index 00000000..1fc5de04
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euckrprober.py
@@ -0,0 +1,47 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .chardistribution import EUCKRDistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import EUCKR_SM_MODEL
+
+
+class EUCKRProber(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(EUCKR_SM_MODEL)
+        self.distribution_analyzer = EUCKRDistributionAnalysis()
+        self.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "EUC-KR"
+
+    @property
+    def language(self) -> str:
+        return "Korean"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euctwfreq.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euctwfreq.py
new file mode 100644
index 00000000..4900ccc1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euctwfreq.py
@@ -0,0 +1,388 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+# EUCTW frequency table
+# Converted from big5 work
+# by Taiwan's Mandarin Promotion Council
+# <http:#www.edu.tw:81/mandr/>
+
+# 128  --> 0.42261
+# 256  --> 0.57851
+# 512  --> 0.74851
+# 1024 --> 0.89384
+# 2048 --> 0.97583
+#
+# Idea Distribution Ratio = 0.74851/(1-0.74851) =2.98
+# Random Distribution Ration = 512/(5401-512)=0.105
+#
+# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR
+
+EUCTW_TYPICAL_DISTRIBUTION_RATIO = 0.75
+
+# Char to FreqOrder table
+EUCTW_TABLE_SIZE = 5376
+
+# fmt: off
+EUCTW_CHAR_TO_FREQ_ORDER = (
+    1, 1800, 1506, 255, 1431, 198, 9, 82, 6, 7310, 177, 202, 3615, 1256, 2808, 110,  # 2742
+    3735, 33, 3241, 261, 76, 44, 2113, 16, 2931, 2184, 1176, 659, 3868, 26, 3404, 2643,  # 2758
+    1198, 3869, 3313, 4060, 410, 2211, 302, 590, 361, 1963, 8, 204, 58, 4296, 7311, 1931,  # 2774
+    63, 7312, 7313, 317, 1614, 75, 222, 159, 4061, 2412, 1480, 7314, 3500, 3068, 224, 2809,  # 2790
+    3616, 3, 10, 3870, 1471, 29, 2774, 1135, 2852, 1939, 873, 130, 3242, 1123, 312, 7315,  # 2806
+    4297, 2051, 507, 252, 682, 7316, 142, 1914, 124, 206, 2932, 34, 3501, 3173, 64, 604,  # 2822
+    7317, 2494, 1976, 1977, 155, 1990, 645, 641, 1606, 7318, 3405, 337, 72, 406, 7319, 80,  # 2838
+    630, 238, 3174, 1509, 263, 939, 1092, 2644, 756, 1440, 1094, 3406, 449, 69, 2969, 591,  # 2854
+    179, 2095, 471, 115, 2034, 1843, 60, 50, 2970, 134, 806, 1868, 734, 2035, 3407, 180,  # 2870
+    995, 1607, 156, 537, 2893, 688, 7320, 319, 1305, 779, 2144, 514, 2374, 298, 4298, 359,  # 2886
+    2495, 90, 2707, 1338, 663, 11, 906, 1099, 2545, 20, 2436, 182, 532, 1716, 7321, 732,  # 2902
+    1376, 4062, 1311, 1420, 3175, 25, 2312, 1056, 113, 399, 382, 1949, 242, 3408, 2467, 529,  # 2918
+    3243, 475, 1447, 3617, 7322, 117, 21, 656, 810, 1297, 2295, 2329, 3502, 7323, 126, 4063,  # 2934
+    706, 456, 150, 613, 4299, 71, 1118, 2036, 4064, 145, 3069, 85, 835, 486, 2114, 1246,  # 2950
+    1426, 428, 727, 1285, 1015, 800, 106, 623, 303, 1281, 7324, 2127, 2354, 347, 3736, 221,  # 2966
+    3503, 3110, 7325, 1955, 1153, 4065, 83, 296, 1199, 3070, 192, 624, 93, 7326, 822, 1897,  # 2982
+    2810, 3111, 795, 2064, 991, 1554, 1542, 1592, 27, 43, 2853, 859, 139, 1456, 860, 4300,  # 2998
+    437, 712, 3871, 164, 2392, 3112, 695, 211, 3017, 2096, 195, 3872, 1608, 3504, 3505, 3618,  # 3014
+    3873, 234, 811, 2971, 2097, 3874, 2229, 1441, 3506, 1615, 2375, 668, 2076, 1638, 305, 228,  # 3030
+    1664, 4301, 467, 415, 7327, 262, 2098, 1593, 239, 108, 300, 200, 1033, 512, 1247, 2077,  # 3046
+    7328, 7329, 2173, 3176, 3619, 2673, 593, 845, 1062, 3244, 88, 1723, 2037, 3875, 1950, 212,  # 3062
+    266, 152, 149, 468, 1898, 4066, 4302, 77, 187, 7330, 3018, 37, 5, 2972, 7331, 3876,  # 3078
+    7332, 7333, 39, 2517, 4303, 2894, 3177, 2078, 55, 148, 74, 4304, 545, 483, 1474, 1029,  # 3094
+    1665, 217, 1869, 1531, 3113, 1104, 2645, 4067, 24, 172, 3507, 900, 3877, 3508, 3509, 4305,  # 3110
+    32, 1408, 2811, 1312, 329, 487, 2355, 2247, 2708, 784, 2674, 4, 3019, 3314, 1427, 1788,  # 3126
+    188, 109, 499, 7334, 3620, 1717, 1789, 888, 1217, 3020, 4306, 7335, 3510, 7336, 3315, 1520,  # 3142
+    3621, 3878, 196, 1034, 775, 7337, 7338, 929, 1815, 249, 439, 38, 7339, 1063, 7340, 794,  # 3158
+    3879, 1435, 2296, 46, 178, 3245, 2065, 7341, 2376, 7342, 214, 1709, 4307, 804, 35, 707,  # 3174
+    324, 3622, 1601, 2546, 140, 459, 4068, 7343, 7344, 1365, 839, 272, 978, 2257, 2572, 3409,  # 3190
+    2128, 1363, 3623, 1423, 697, 100, 3071, 48, 70, 1231, 495, 3114, 2193, 7345, 1294, 7346,  # 3206
+    2079, 462, 586, 1042, 3246, 853, 256, 988, 185, 2377, 3410, 1698, 434, 1084, 7347, 3411,  # 3222
+    314, 2615, 2775, 4308, 2330, 2331, 569, 2280, 637, 1816, 2518, 757, 1162, 1878, 1616, 3412,  # 3238
+    287, 1577, 2115, 768, 4309, 1671, 2854, 3511, 2519, 1321, 3737, 909, 2413, 7348, 4069, 933,  # 3254
+    3738, 7349, 2052, 2356, 1222, 4310, 765, 2414, 1322, 786, 4311, 7350, 1919, 1462, 1677, 2895,  # 3270
+    1699, 7351, 4312, 1424, 2437, 3115, 3624, 2590, 3316, 1774, 1940, 3413, 3880, 4070, 309, 1369,  # 3286
+    1130, 2812, 364, 2230, 1653, 1299, 3881, 3512, 3882, 3883, 2646, 525, 1085, 3021, 902, 2000,  # 3302
+    1475, 964, 4313, 421, 1844, 1415, 1057, 2281, 940, 1364, 3116, 376, 4314, 4315, 1381, 7,  # 3318
+    2520, 983, 2378, 336, 1710, 2675, 1845, 321, 3414, 559, 1131, 3022, 2742, 1808, 1132, 1313,  # 3334
+    265, 1481, 1857, 7352, 352, 1203, 2813, 3247, 167, 1089, 420, 2814, 776, 792, 1724, 3513,  # 3350
+    4071, 2438, 3248, 7353, 4072, 7354, 446, 229, 333, 2743, 901, 3739, 1200, 1557, 4316, 2647,  # 3366
+    1920, 395, 2744, 2676, 3740, 4073, 1835, 125, 916, 3178, 2616, 4317, 7355, 7356, 3741, 7357,  # 3382
+    7358, 7359, 4318, 3117, 3625, 1133, 2547, 1757, 3415, 1510, 2313, 1409, 3514, 7360, 2145, 438,  # 3398
+    2591, 2896, 2379, 3317, 1068, 958, 3023, 461, 311, 2855, 2677, 4074, 1915, 3179, 4075, 1978,  # 3414
+    383, 750, 2745, 2617, 4076, 274, 539, 385, 1278, 1442, 7361, 1154, 1964, 384, 561, 210,  # 3430
+    98, 1295, 2548, 3515, 7362, 1711, 2415, 1482, 3416, 3884, 2897, 1257, 129, 7363, 3742, 642,  # 3446
+    523, 2776, 2777, 2648, 7364, 141, 2231, 1333, 68, 176, 441, 876, 907, 4077, 603, 2592,  # 3462
+    710, 171, 3417, 404, 549, 18, 3118, 2393, 1410, 3626, 1666, 7365, 3516, 4319, 2898, 4320,  # 3478
+    7366, 2973, 368, 7367, 146, 366, 99, 871, 3627, 1543, 748, 807, 1586, 1185, 22, 2258,  # 3494
+    379, 3743, 3180, 7368, 3181, 505, 1941, 2618, 1991, 1382, 2314, 7369, 380, 2357, 218, 702,  # 3510
+    1817, 1248, 3418, 3024, 3517, 3318, 3249, 7370, 2974, 3628, 930, 3250, 3744, 7371, 59, 7372,  # 3526
+    585, 601, 4078, 497, 3419, 1112, 1314, 4321, 1801, 7373, 1223, 1472, 2174, 7374, 749, 1836,  # 3542
+    690, 1899, 3745, 1772, 3885, 1476, 429, 1043, 1790, 2232, 2116, 917, 4079, 447, 1086, 1629,  # 3558
+    7375, 556, 7376, 7377, 2020, 1654, 844, 1090, 105, 550, 966, 1758, 2815, 1008, 1782, 686,  # 3574
+    1095, 7378, 2282, 793, 1602, 7379, 3518, 2593, 4322, 4080, 2933, 2297, 4323, 3746, 980, 2496,  # 3590
+    544, 353, 527, 4324, 908, 2678, 2899, 7380, 381, 2619, 1942, 1348, 7381, 1341, 1252, 560,  # 3606
+    3072, 7382, 3420, 2856, 7383, 2053, 973, 886, 2080, 143, 4325, 7384, 7385, 157, 3886, 496,  # 3622
+    4081, 57, 840, 540, 2038, 4326, 4327, 3421, 2117, 1445, 970, 2259, 1748, 1965, 2081, 4082,  # 3638
+    3119, 1234, 1775, 3251, 2816, 3629, 773, 1206, 2129, 1066, 2039, 1326, 3887, 1738, 1725, 4083,  # 3654
+    279, 3120, 51, 1544, 2594, 423, 1578, 2130, 2066, 173, 4328, 1879, 7386, 7387, 1583, 264,  # 3670
+    610, 3630, 4329, 2439, 280, 154, 7388, 7389, 7390, 1739, 338, 1282, 3073, 693, 2857, 1411,  # 3686
+    1074, 3747, 2440, 7391, 4330, 7392, 7393, 1240, 952, 2394, 7394, 2900, 1538, 2679, 685, 1483,  # 3702
+    4084, 2468, 1436, 953, 4085, 2054, 4331, 671, 2395, 79, 4086, 2441, 3252, 608, 567, 2680,  # 3718
+    3422, 4087, 4088, 1691, 393, 1261, 1791, 2396, 7395, 4332, 7396, 7397, 7398, 7399, 1383, 1672,  # 3734
+    3748, 3182, 1464, 522, 1119, 661, 1150, 216, 675, 4333, 3888, 1432, 3519, 609, 4334, 2681,  # 3750
+    2397, 7400, 7401, 7402, 4089, 3025, 0, 7403, 2469, 315, 231, 2442, 301, 3319, 4335, 2380,  # 3766
+    7404, 233, 4090, 3631, 1818, 4336, 4337, 7405, 96, 1776, 1315, 2082, 7406, 257, 7407, 1809,  # 3782
+    3632, 2709, 1139, 1819, 4091, 2021, 1124, 2163, 2778, 1777, 2649, 7408, 3074, 363, 1655, 3183,  # 3798
+    7409, 2975, 7410, 7411, 7412, 3889, 1567, 3890, 718, 103, 3184, 849, 1443, 341, 3320, 2934,  # 3814
+    1484, 7413, 1712, 127, 67, 339, 4092, 2398, 679, 1412, 821, 7414, 7415, 834, 738, 351,  # 3830
+    2976, 2146, 846, 235, 1497, 1880, 418, 1992, 3749, 2710, 186, 1100, 2147, 2746, 3520, 1545,  # 3846
+    1355, 2935, 2858, 1377, 583, 3891, 4093, 2573, 2977, 7416, 1298, 3633, 1078, 2549, 3634, 2358,  # 3862
+    78, 3750, 3751, 267, 1289, 2099, 2001, 1594, 4094, 348, 369, 1274, 2194, 2175, 1837, 4338,  # 3878
+    1820, 2817, 3635, 2747, 2283, 2002, 4339, 2936, 2748, 144, 3321, 882, 4340, 3892, 2749, 3423,  # 3894
+    4341, 2901, 7417, 4095, 1726, 320, 7418, 3893, 3026, 788, 2978, 7419, 2818, 1773, 1327, 2859,  # 3910
+    3894, 2819, 7420, 1306, 4342, 2003, 1700, 3752, 3521, 2359, 2650, 787, 2022, 506, 824, 3636,  # 3926
+    534, 323, 4343, 1044, 3322, 2023, 1900, 946, 3424, 7421, 1778, 1500, 1678, 7422, 1881, 4344,  # 3942
+    165, 243, 4345, 3637, 2521, 123, 683, 4096, 764, 4346, 36, 3895, 1792, 589, 2902, 816,  # 3958
+    626, 1667, 3027, 2233, 1639, 1555, 1622, 3753, 3896, 7423, 3897, 2860, 1370, 1228, 1932, 891,  # 3974
+    2083, 2903, 304, 4097, 7424, 292, 2979, 2711, 3522, 691, 2100, 4098, 1115, 4347, 118, 662,  # 3990
+    7425, 611, 1156, 854, 2381, 1316, 2861, 2, 386, 515, 2904, 7426, 7427, 3253, 868, 2234,  # 4006
+    1486, 855, 2651, 785, 2212, 3028, 7428, 1040, 3185, 3523, 7429, 3121, 448, 7430, 1525, 7431,  # 4022
+    2164, 4348, 7432, 3754, 7433, 4099, 2820, 3524, 3122, 503, 818, 3898, 3123, 1568, 814, 676,  # 4038
+    1444, 306, 1749, 7434, 3755, 1416, 1030, 197, 1428, 805, 2821, 1501, 4349, 7435, 7436, 7437,  # 4054
+    1993, 7438, 4350, 7439, 7440, 2195, 13, 2779, 3638, 2980, 3124, 1229, 1916, 7441, 3756, 2131,  # 4070
+    7442, 4100, 4351, 2399, 3525, 7443, 2213, 1511, 1727, 1120, 7444, 7445, 646, 3757, 2443, 307,  # 4086
+    7446, 7447, 1595, 3186, 7448, 7449, 7450, 3639, 1113, 1356, 3899, 1465, 2522, 2523, 7451, 519,  # 4102
+    7452, 128, 2132, 92, 2284, 1979, 7453, 3900, 1512, 342, 3125, 2196, 7454, 2780, 2214, 1980,  # 4118
+    3323, 7455, 290, 1656, 1317, 789, 827, 2360, 7456, 3758, 4352, 562, 581, 3901, 7457, 401,  # 4134
+    4353, 2248, 94, 4354, 1399, 2781, 7458, 1463, 2024, 4355, 3187, 1943, 7459, 828, 1105, 4101,  # 4150
+    1262, 1394, 7460, 4102, 605, 4356, 7461, 1783, 2862, 7462, 2822, 819, 2101, 578, 2197, 2937,  # 4166
+    7463, 1502, 436, 3254, 4103, 3255, 2823, 3902, 2905, 3425, 3426, 7464, 2712, 2315, 7465, 7466,  # 4182
+    2332, 2067, 23, 4357, 193, 826, 3759, 2102, 699, 1630, 4104, 3075, 390, 1793, 1064, 3526,  # 4198
+    7467, 1579, 3076, 3077, 1400, 7468, 4105, 1838, 1640, 2863, 7469, 4358, 4359, 137, 4106, 598,  # 4214
+    3078, 1966, 780, 104, 974, 2938, 7470, 278, 899, 253, 402, 572, 504, 493, 1339, 7471,  # 4230
+    3903, 1275, 4360, 2574, 2550, 7472, 3640, 3029, 3079, 2249, 565, 1334, 2713, 863, 41, 7473,  # 4246
+    7474, 4361, 7475, 1657, 2333, 19, 463, 2750, 4107, 606, 7476, 2981, 3256, 1087, 2084, 1323,  # 4262
+    2652, 2982, 7477, 1631, 1623, 1750, 4108, 2682, 7478, 2864, 791, 2714, 2653, 2334, 232, 2416,  # 4278
+    7479, 2983, 1498, 7480, 2654, 2620, 755, 1366, 3641, 3257, 3126, 2025, 1609, 119, 1917, 3427,  # 4294
+    862, 1026, 4109, 7481, 3904, 3760, 4362, 3905, 4363, 2260, 1951, 2470, 7482, 1125, 817, 4110,  # 4310
+    4111, 3906, 1513, 1766, 2040, 1487, 4112, 3030, 3258, 2824, 3761, 3127, 7483, 7484, 1507, 7485,  # 4326
+    2683, 733, 40, 1632, 1106, 2865, 345, 4113, 841, 2524, 230, 4364, 2984, 1846, 3259, 3428,  # 4342
+    7486, 1263, 986, 3429, 7487, 735, 879, 254, 1137, 857, 622, 1300, 1180, 1388, 1562, 3907,  # 4358
+    3908, 2939, 967, 2751, 2655, 1349, 592, 2133, 1692, 3324, 2985, 1994, 4114, 1679, 3909, 1901,  # 4374
+    2185, 7488, 739, 3642, 2715, 1296, 1290, 7489, 4115, 2198, 2199, 1921, 1563, 2595, 2551, 1870,  # 4390
+    2752, 2986, 7490, 435, 7491, 343, 1108, 596, 17, 1751, 4365, 2235, 3430, 3643, 7492, 4366,  # 4406
+    294, 3527, 2940, 1693, 477, 979, 281, 2041, 3528, 643, 2042, 3644, 2621, 2782, 2261, 1031,  # 4422
+    2335, 2134, 2298, 3529, 4367, 367, 1249, 2552, 7493, 3530, 7494, 4368, 1283, 3325, 2004, 240,  # 4438
+    1762, 3326, 4369, 4370, 836, 1069, 3128, 474, 7495, 2148, 2525, 268, 3531, 7496, 3188, 1521,  # 4454
+    1284, 7497, 1658, 1546, 4116, 7498, 3532, 3533, 7499, 4117, 3327, 2684, 1685, 4118, 961, 1673,  # 4470
+    2622, 190, 2005, 2200, 3762, 4371, 4372, 7500, 570, 2497, 3645, 1490, 7501, 4373, 2623, 3260,  # 4486
+    1956, 4374, 584, 1514, 396, 1045, 1944, 7502, 4375, 1967, 2444, 7503, 7504, 4376, 3910, 619,  # 4502
+    7505, 3129, 3261, 215, 2006, 2783, 2553, 3189, 4377, 3190, 4378, 763, 4119, 3763, 4379, 7506,  # 4518
+    7507, 1957, 1767, 2941, 3328, 3646, 1174, 452, 1477, 4380, 3329, 3130, 7508, 2825, 1253, 2382,  # 4534
+    2186, 1091, 2285, 4120, 492, 7509, 638, 1169, 1824, 2135, 1752, 3911, 648, 926, 1021, 1324,  # 4550
+    4381, 520, 4382, 997, 847, 1007, 892, 4383, 3764, 2262, 1871, 3647, 7510, 2400, 1784, 4384,  # 4566
+    1952, 2942, 3080, 3191, 1728, 4121, 2043, 3648, 4385, 2007, 1701, 3131, 1551, 30, 2263, 4122,  # 4582
+    7511, 2026, 4386, 3534, 7512, 501, 7513, 4123, 594, 3431, 2165, 1821, 3535, 3432, 3536, 3192,  # 4598
+    829, 2826, 4124, 7514, 1680, 3132, 1225, 4125, 7515, 3262, 4387, 4126, 3133, 2336, 7516, 4388,  # 4614
+    4127, 7517, 3912, 3913, 7518, 1847, 2383, 2596, 3330, 7519, 4389, 374, 3914, 652, 4128, 4129,  # 4630
+    375, 1140, 798, 7520, 7521, 7522, 2361, 4390, 2264, 546, 1659, 138, 3031, 2445, 4391, 7523,  # 4646
+    2250, 612, 1848, 910, 796, 3765, 1740, 1371, 825, 3766, 3767, 7524, 2906, 2554, 7525, 692,  # 4662
+    444, 3032, 2624, 801, 4392, 4130, 7526, 1491, 244, 1053, 3033, 4131, 4132, 340, 7527, 3915,  # 4678
+    1041, 2987, 293, 1168, 87, 1357, 7528, 1539, 959, 7529, 2236, 721, 694, 4133, 3768, 219,  # 4694
+    1478, 644, 1417, 3331, 2656, 1413, 1401, 1335, 1389, 3916, 7530, 7531, 2988, 2362, 3134, 1825,  # 4710
+    730, 1515, 184, 2827, 66, 4393, 7532, 1660, 2943, 246, 3332, 378, 1457, 226, 3433, 975,  # 4726
+    3917, 2944, 1264, 3537, 674, 696, 7533, 163, 7534, 1141, 2417, 2166, 713, 3538, 3333, 4394,  # 4742
+    3918, 7535, 7536, 1186, 15, 7537, 1079, 1070, 7538, 1522, 3193, 3539, 276, 1050, 2716, 758,  # 4758
+    1126, 653, 2945, 3263, 7539, 2337, 889, 3540, 3919, 3081, 2989, 903, 1250, 4395, 3920, 3434,  # 4774
+    3541, 1342, 1681, 1718, 766, 3264, 286, 89, 2946, 3649, 7540, 1713, 7541, 2597, 3334, 2990,  # 4790
+    7542, 2947, 2215, 3194, 2866, 7543, 4396, 2498, 2526, 181, 387, 1075, 3921, 731, 2187, 3335,  # 4806
+    7544, 3265, 310, 313, 3435, 2299, 770, 4134, 54, 3034, 189, 4397, 3082, 3769, 3922, 7545,  # 4822
+    1230, 1617, 1849, 355, 3542, 4135, 4398, 3336, 111, 4136, 3650, 1350, 3135, 3436, 3035, 4137,  # 4838
+    2149, 3266, 3543, 7546, 2784, 3923, 3924, 2991, 722, 2008, 7547, 1071, 247, 1207, 2338, 2471,  # 4854
+    1378, 4399, 2009, 864, 1437, 1214, 4400, 373, 3770, 1142, 2216, 667, 4401, 442, 2753, 2555,  # 4870
+    3771, 3925, 1968, 4138, 3267, 1839, 837, 170, 1107, 934, 1336, 1882, 7548, 7549, 2118, 4139,  # 4886
+    2828, 743, 1569, 7550, 4402, 4140, 582, 2384, 1418, 3437, 7551, 1802, 7552, 357, 1395, 1729,  # 4902
+    3651, 3268, 2418, 1564, 2237, 7553, 3083, 3772, 1633, 4403, 1114, 2085, 4141, 1532, 7554, 482,  # 4918
+    2446, 4404, 7555, 7556, 1492, 833, 1466, 7557, 2717, 3544, 1641, 2829, 7558, 1526, 1272, 3652,  # 4934
+    4142, 1686, 1794, 416, 2556, 1902, 1953, 1803, 7559, 3773, 2785, 3774, 1159, 2316, 7560, 2867,  # 4950
+    4405, 1610, 1584, 3036, 2419, 2754, 443, 3269, 1163, 3136, 7561, 7562, 3926, 7563, 4143, 2499,  # 4966
+    3037, 4406, 3927, 3137, 2103, 1647, 3545, 2010, 1872, 4144, 7564, 4145, 431, 3438, 7565, 250,  # 4982
+    97, 81, 4146, 7566, 1648, 1850, 1558, 160, 848, 7567, 866, 740, 1694, 7568, 2201, 2830,  # 4998
+    3195, 4147, 4407, 3653, 1687, 950, 2472, 426, 469, 3196, 3654, 3655, 3928, 7569, 7570, 1188,  # 5014
+    424, 1995, 861, 3546, 4148, 3775, 2202, 2685, 168, 1235, 3547, 4149, 7571, 2086, 1674, 4408,  # 5030
+    3337, 3270, 220, 2557, 1009, 7572, 3776, 670, 2992, 332, 1208, 717, 7573, 7574, 3548, 2447,  # 5046
+    3929, 3338, 7575, 513, 7576, 1209, 2868, 3339, 3138, 4409, 1080, 7577, 7578, 7579, 7580, 2527,  # 5062
+    3656, 3549, 815, 1587, 3930, 3931, 7581, 3550, 3439, 3777, 1254, 4410, 1328, 3038, 1390, 3932,  # 5078
+    1741, 3933, 3778, 3934, 7582, 236, 3779, 2448, 3271, 7583, 7584, 3657, 3780, 1273, 3781, 4411,  # 5094
+    7585, 308, 7586, 4412, 245, 4413, 1851, 2473, 1307, 2575, 430, 715, 2136, 2449, 7587, 270,  # 5110
+    199, 2869, 3935, 7588, 3551, 2718, 1753, 761, 1754, 725, 1661, 1840, 4414, 3440, 3658, 7589,  # 5126
+    7590, 587, 14, 3272, 227, 2598, 326, 480, 2265, 943, 2755, 3552, 291, 650, 1883, 7591,  # 5142
+    1702, 1226, 102, 1547, 62, 3441, 904, 4415, 3442, 1164, 4150, 7592, 7593, 1224, 1548, 2756,  # 5158
+    391, 498, 1493, 7594, 1386, 1419, 7595, 2055, 1177, 4416, 813, 880, 1081, 2363, 566, 1145,  # 5174
+    4417, 2286, 1001, 1035, 2558, 2599, 2238, 394, 1286, 7596, 7597, 2068, 7598, 86, 1494, 1730,  # 5190
+    3936, 491, 1588, 745, 897, 2948, 843, 3340, 3937, 2757, 2870, 3273, 1768, 998, 2217, 2069,  # 5206
+    397, 1826, 1195, 1969, 3659, 2993, 3341, 284, 7599, 3782, 2500, 2137, 2119, 1903, 7600, 3938,  # 5222
+    2150, 3939, 4151, 1036, 3443, 1904, 114, 2559, 4152, 209, 1527, 7601, 7602, 2949, 2831, 2625,  # 5238
+    2385, 2719, 3139, 812, 2560, 7603, 3274, 7604, 1559, 737, 1884, 3660, 1210, 885, 28, 2686,  # 5254
+    3553, 3783, 7605, 4153, 1004, 1779, 4418, 7606, 346, 1981, 2218, 2687, 4419, 3784, 1742, 797,  # 5270
+    1642, 3940, 1933, 1072, 1384, 2151, 896, 3941, 3275, 3661, 3197, 2871, 3554, 7607, 2561, 1958,  # 5286
+    4420, 2450, 1785, 7608, 7609, 7610, 3942, 4154, 1005, 1308, 3662, 4155, 2720, 4421, 4422, 1528,  # 5302
+    2600, 161, 1178, 4156, 1982, 987, 4423, 1101, 4157, 631, 3943, 1157, 3198, 2420, 1343, 1241,  # 5318
+    1016, 2239, 2562, 372, 877, 2339, 2501, 1160, 555, 1934, 911, 3944, 7611, 466, 1170, 169,  # 5334
+    1051, 2907, 2688, 3663, 2474, 2994, 1182, 2011, 2563, 1251, 2626, 7612, 992, 2340, 3444, 1540,  # 5350
+    2721, 1201, 2070, 2401, 1996, 2475, 7613, 4424, 528, 1922, 2188, 1503, 1873, 1570, 2364, 3342,  # 5366
+    3276, 7614, 557, 1073, 7615, 1827, 3445, 2087, 2266, 3140, 3039, 3084, 767, 3085, 2786, 4425,  # 5382
+    1006, 4158, 4426, 2341, 1267, 2176, 3664, 3199, 778, 3945, 3200, 2722, 1597, 2657, 7616, 4427,  # 5398
+    7617, 3446, 7618, 7619, 7620, 3277, 2689, 1433, 3278, 131, 95, 1504, 3946, 723, 4159, 3141,  # 5414
+    1841, 3555, 2758, 2189, 3947, 2027, 2104, 3665, 7621, 2995, 3948, 1218, 7622, 3343, 3201, 3949,  # 5430
+    4160, 2576, 248, 1634, 3785, 912, 7623, 2832, 3666, 3040, 3786, 654, 53, 7624, 2996, 7625,  # 5446
+    1688, 4428, 777, 3447, 1032, 3950, 1425, 7626, 191, 820, 2120, 2833, 971, 4429, 931, 3202,  # 5462
+    135, 664, 783, 3787, 1997, 772, 2908, 1935, 3951, 3788, 4430, 2909, 3203, 282, 2723, 640,  # 5478
+    1372, 3448, 1127, 922, 325, 3344, 7627, 7628, 711, 2044, 7629, 7630, 3952, 2219, 2787, 1936,  # 5494
+    3953, 3345, 2220, 2251, 3789, 2300, 7631, 4431, 3790, 1258, 3279, 3954, 3204, 2138, 2950, 3955,  # 5510
+    3956, 7632, 2221, 258, 3205, 4432, 101, 1227, 7633, 3280, 1755, 7634, 1391, 3281, 7635, 2910,  # 5526
+    2056, 893, 7636, 7637, 7638, 1402, 4161, 2342, 7639, 7640, 3206, 3556, 7641, 7642, 878, 1325,  # 5542
+    1780, 2788, 4433, 259, 1385, 2577, 744, 1183, 2267, 4434, 7643, 3957, 2502, 7644, 684, 1024,  # 5558
+    4162, 7645, 472, 3557, 3449, 1165, 3282, 3958, 3959, 322, 2152, 881, 455, 1695, 1152, 1340,  # 5574
+    660, 554, 2153, 4435, 1058, 4436, 4163, 830, 1065, 3346, 3960, 4437, 1923, 7646, 1703, 1918,  # 5590
+    7647, 932, 2268, 122, 7648, 4438, 947, 677, 7649, 3791, 2627, 297, 1905, 1924, 2269, 4439,  # 5606
+    2317, 3283, 7650, 7651, 4164, 7652, 4165, 84, 4166, 112, 989, 7653, 547, 1059, 3961, 701,  # 5622
+    3558, 1019, 7654, 4167, 7655, 3450, 942, 639, 457, 2301, 2451, 993, 2951, 407, 851, 494,  # 5638
+    4440, 3347, 927, 7656, 1237, 7657, 2421, 3348, 573, 4168, 680, 921, 2911, 1279, 1874, 285,  # 5654
+    790, 1448, 1983, 719, 2167, 7658, 7659, 4441, 3962, 3963, 1649, 7660, 1541, 563, 7661, 1077,  # 5670
+    7662, 3349, 3041, 3451, 511, 2997, 3964, 3965, 3667, 3966, 1268, 2564, 3350, 3207, 4442, 4443,  # 5686
+    7663, 535, 1048, 1276, 1189, 2912, 2028, 3142, 1438, 1373, 2834, 2952, 1134, 2012, 7664, 4169,  # 5702
+    1238, 2578, 3086, 1259, 7665, 700, 7666, 2953, 3143, 3668, 4170, 7667, 4171, 1146, 1875, 1906,  # 5718
+    4444, 2601, 3967, 781, 2422, 132, 1589, 203, 147, 273, 2789, 2402, 898, 1786, 2154, 3968,  # 5734
+    3969, 7668, 3792, 2790, 7669, 7670, 4445, 4446, 7671, 3208, 7672, 1635, 3793, 965, 7673, 1804,  # 5750
+    2690, 1516, 3559, 1121, 1082, 1329, 3284, 3970, 1449, 3794, 65, 1128, 2835, 2913, 2759, 1590,  # 5766
+    3795, 7674, 7675, 12, 2658, 45, 976, 2579, 3144, 4447, 517, 2528, 1013, 1037, 3209, 7676,  # 5782
+    3796, 2836, 7677, 3797, 7678, 3452, 7679, 2602, 614, 1998, 2318, 3798, 3087, 2724, 2628, 7680,  # 5798
+    2580, 4172, 599, 1269, 7681, 1810, 3669, 7682, 2691, 3088, 759, 1060, 489, 1805, 3351, 3285,  # 5814
+    1358, 7683, 7684, 2386, 1387, 1215, 2629, 2252, 490, 7685, 7686, 4173, 1759, 2387, 2343, 7687,  # 5830
+    4448, 3799, 1907, 3971, 2630, 1806, 3210, 4449, 3453, 3286, 2760, 2344, 874, 7688, 7689, 3454,  # 5846
+    3670, 1858, 91, 2914, 3671, 3042, 3800, 4450, 7690, 3145, 3972, 2659, 7691, 3455, 1202, 1403,  # 5862
+    3801, 2954, 2529, 1517, 2503, 4451, 3456, 2504, 7692, 4452, 7693, 2692, 1885, 1495, 1731, 3973,  # 5878
+    2365, 4453, 7694, 2029, 7695, 7696, 3974, 2693, 1216, 237, 2581, 4174, 2319, 3975, 3802, 4454,  # 5894
+    4455, 2694, 3560, 3457, 445, 4456, 7697, 7698, 7699, 7700, 2761, 61, 3976, 3672, 1822, 3977,  # 5910
+    7701, 687, 2045, 935, 925, 405, 2660, 703, 1096, 1859, 2725, 4457, 3978, 1876, 1367, 2695,  # 5926
+    3352, 918, 2105, 1781, 2476, 334, 3287, 1611, 1093, 4458, 564, 3146, 3458, 3673, 3353, 945,  # 5942
+    2631, 2057, 4459, 7702, 1925, 872, 4175, 7703, 3459, 2696, 3089, 349, 4176, 3674, 3979, 4460,  # 5958
+    3803, 4177, 3675, 2155, 3980, 4461, 4462, 4178, 4463, 2403, 2046, 782, 3981, 400, 251, 4179,  # 5974
+    1624, 7704, 7705, 277, 3676, 299, 1265, 476, 1191, 3804, 2121, 4180, 4181, 1109, 205, 7706,  # 5990
+    2582, 1000, 2156, 3561, 1860, 7707, 7708, 7709, 4464, 7710, 4465, 2565, 107, 2477, 2157, 3982,  # 6006
+    3460, 3147, 7711, 1533, 541, 1301, 158, 753, 4182, 2872, 3562, 7712, 1696, 370, 1088, 4183,  # 6022
+    4466, 3563, 579, 327, 440, 162, 2240, 269, 1937, 1374, 3461, 968, 3043, 56, 1396, 3090,  # 6038
+    2106, 3288, 3354, 7713, 1926, 2158, 4467, 2998, 7714, 3564, 7715, 7716, 3677, 4468, 2478, 7717,  # 6054
+    2791, 7718, 1650, 4469, 7719, 2603, 7720, 7721, 3983, 2661, 3355, 1149, 3356, 3984, 3805, 3985,  # 6070
+    7722, 1076, 49, 7723, 951, 3211, 3289, 3290, 450, 2837, 920, 7724, 1811, 2792, 2366, 4184,  # 6086
+    1908, 1138, 2367, 3806, 3462, 7725, 3212, 4470, 1909, 1147, 1518, 2423, 4471, 3807, 7726, 4472,  # 6102
+    2388, 2604, 260, 1795, 3213, 7727, 7728, 3808, 3291, 708, 7729, 3565, 1704, 7730, 3566, 1351,  # 6118
+    1618, 3357, 2999, 1886, 944, 4185, 3358, 4186, 3044, 3359, 4187, 7731, 3678, 422, 413, 1714,  # 6134
+    3292, 500, 2058, 2345, 4188, 2479, 7732, 1344, 1910, 954, 7733, 1668, 7734, 7735, 3986, 2404,  # 6150
+    4189, 3567, 3809, 4190, 7736, 2302, 1318, 2505, 3091, 133, 3092, 2873, 4473, 629, 31, 2838,  # 6166
+    2697, 3810, 4474, 850, 949, 4475, 3987, 2955, 1732, 2088, 4191, 1496, 1852, 7737, 3988, 620,  # 6182
+    3214, 981, 1242, 3679, 3360, 1619, 3680, 1643, 3293, 2139, 2452, 1970, 1719, 3463, 2168, 7738,  # 6198
+    3215, 7739, 7740, 3361, 1828, 7741, 1277, 4476, 1565, 2047, 7742, 1636, 3568, 3093, 7743, 869,  # 6214
+    2839, 655, 3811, 3812, 3094, 3989, 3000, 3813, 1310, 3569, 4477, 7744, 7745, 7746, 1733, 558,  # 6230
+    4478, 3681, 335, 1549, 3045, 1756, 4192, 3682, 1945, 3464, 1829, 1291, 1192, 470, 2726, 2107,  # 6246
+    2793, 913, 1054, 3990, 7747, 1027, 7748, 3046, 3991, 4479, 982, 2662, 3362, 3148, 3465, 3216,  # 6262
+    3217, 1946, 2794, 7749, 571, 4480, 7750, 1830, 7751, 3570, 2583, 1523, 2424, 7752, 2089, 984,  # 6278
+    4481, 3683, 1959, 7753, 3684, 852, 923, 2795, 3466, 3685, 969, 1519, 999, 2048, 2320, 1705,  # 6294
+    7754, 3095, 615, 1662, 151, 597, 3992, 2405, 2321, 1049, 275, 4482, 3686, 4193, 568, 3687,  # 6310
+    3571, 2480, 4194, 3688, 7755, 2425, 2270, 409, 3218, 7756, 1566, 2874, 3467, 1002, 769, 2840,  # 6326
+    194, 2090, 3149, 3689, 2222, 3294, 4195, 628, 1505, 7757, 7758, 1763, 2177, 3001, 3993, 521,  # 6342
+    1161, 2584, 1787, 2203, 2406, 4483, 3994, 1625, 4196, 4197, 412, 42, 3096, 464, 7759, 2632,  # 6358
+    4484, 3363, 1760, 1571, 2875, 3468, 2530, 1219, 2204, 3814, 2633, 2140, 2368, 4485, 4486, 3295,  # 6374
+    1651, 3364, 3572, 7760, 7761, 3573, 2481, 3469, 7762, 3690, 7763, 7764, 2271, 2091, 460, 7765,  # 6390
+    4487, 7766, 3002, 962, 588, 3574, 289, 3219, 2634, 1116, 52, 7767, 3047, 1796, 7768, 7769,  # 6406
+    7770, 1467, 7771, 1598, 1143, 3691, 4198, 1984, 1734, 1067, 4488, 1280, 3365, 465, 4489, 1572,  # 6422
+    510, 7772, 1927, 2241, 1812, 1644, 3575, 7773, 4490, 3692, 7774, 7775, 2663, 1573, 1534, 7776,  # 6438
+    7777, 4199, 536, 1807, 1761, 3470, 3815, 3150, 2635, 7778, 7779, 7780, 4491, 3471, 2915, 1911,  # 6454
+    2796, 7781, 3296, 1122, 377, 3220, 7782, 360, 7783, 7784, 4200, 1529, 551, 7785, 2059, 3693,  # 6470
+    1769, 2426, 7786, 2916, 4201, 3297, 3097, 2322, 2108, 2030, 4492, 1404, 136, 1468, 1479, 672,  # 6486
+    1171, 3221, 2303, 271, 3151, 7787, 2762, 7788, 2049, 678, 2727, 865, 1947, 4493, 7789, 2013,  # 6502
+    3995, 2956, 7790, 2728, 2223, 1397, 3048, 3694, 4494, 4495, 1735, 2917, 3366, 3576, 7791, 3816,  # 6518
+    509, 2841, 2453, 2876, 3817, 7792, 7793, 3152, 3153, 4496, 4202, 2531, 4497, 2304, 1166, 1010,  # 6534
+    552, 681, 1887, 7794, 7795, 2957, 2958, 3996, 1287, 1596, 1861, 3154, 358, 453, 736, 175,  # 6550
+    478, 1117, 905, 1167, 1097, 7796, 1853, 1530, 7797, 1706, 7798, 2178, 3472, 2287, 3695, 3473,  # 6566
+    3577, 4203, 2092, 4204, 7799, 3367, 1193, 2482, 4205, 1458, 2190, 2205, 1862, 1888, 1421, 3298,  # 6582
+    2918, 3049, 2179, 3474, 595, 2122, 7800, 3997, 7801, 7802, 4206, 1707, 2636, 223, 3696, 1359,  # 6598
+    751, 3098, 183, 3475, 7803, 2797, 3003, 419, 2369, 633, 704, 3818, 2389, 241, 7804, 7805,  # 6614
+    7806, 838, 3004, 3697, 2272, 2763, 2454, 3819, 1938, 2050, 3998, 1309, 3099, 2242, 1181, 7807,  # 6630
+    1136, 2206, 3820, 2370, 1446, 4207, 2305, 4498, 7808, 7809, 4208, 1055, 2605, 484, 3698, 7810,  # 6646
+    3999, 625, 4209, 2273, 3368, 1499, 4210, 4000, 7811, 4001, 4211, 3222, 2274, 2275, 3476, 7812,  # 6662
+    7813, 2764, 808, 2606, 3699, 3369, 4002, 4212, 3100, 2532, 526, 3370, 3821, 4213, 955, 7814,  # 6678
+    1620, 4214, 2637, 2427, 7815, 1429, 3700, 1669, 1831, 994, 928, 7816, 3578, 1260, 7817, 7818,  # 6694
+    7819, 1948, 2288, 741, 2919, 1626, 4215, 2729, 2455, 867, 1184, 362, 3371, 1392, 7820, 7821,  # 6710
+    4003, 4216, 1770, 1736, 3223, 2920, 4499, 4500, 1928, 2698, 1459, 1158, 7822, 3050, 3372, 2877,  # 6726
+    1292, 1929, 2506, 2842, 3701, 1985, 1187, 2071, 2014, 2607, 4217, 7823, 2566, 2507, 2169, 3702,  # 6742
+    2483, 3299, 7824, 3703, 4501, 7825, 7826, 666, 1003, 3005, 1022, 3579, 4218, 7827, 4502, 1813,  # 6758
+    2253, 574, 3822, 1603, 295, 1535, 705, 3823, 4219, 283, 858, 417, 7828, 7829, 3224, 4503,  # 6774
+    4504, 3051, 1220, 1889, 1046, 2276, 2456, 4004, 1393, 1599, 689, 2567, 388, 4220, 7830, 2484,  # 6790
+    802, 7831, 2798, 3824, 2060, 1405, 2254, 7832, 4505, 3825, 2109, 1052, 1345, 3225, 1585, 7833,  # 6806
+    809, 7834, 7835, 7836, 575, 2730, 3477, 956, 1552, 1469, 1144, 2323, 7837, 2324, 1560, 2457,  # 6822
+    3580, 3226, 4005, 616, 2207, 3155, 2180, 2289, 7838, 1832, 7839, 3478, 4506, 7840, 1319, 3704,  # 6838
+    3705, 1211, 3581, 1023, 3227, 1293, 2799, 7841, 7842, 7843, 3826, 607, 2306, 3827, 762, 2878,  # 6854
+    1439, 4221, 1360, 7844, 1485, 3052, 7845, 4507, 1038, 4222, 1450, 2061, 2638, 4223, 1379, 4508,  # 6870
+    2585, 7846, 7847, 4224, 1352, 1414, 2325, 2921, 1172, 7848, 7849, 3828, 3829, 7850, 1797, 1451,  # 6886
+    7851, 7852, 7853, 7854, 2922, 4006, 4007, 2485, 2346, 411, 4008, 4009, 3582, 3300, 3101, 4509,  # 6902
+    1561, 2664, 1452, 4010, 1375, 7855, 7856, 47, 2959, 316, 7857, 1406, 1591, 2923, 3156, 7858,  # 6918
+    1025, 2141, 3102, 3157, 354, 2731, 884, 2224, 4225, 2407, 508, 3706, 726, 3583, 996, 2428,  # 6934
+    3584, 729, 7859, 392, 2191, 1453, 4011, 4510, 3707, 7860, 7861, 2458, 3585, 2608, 1675, 2800,  # 6950
+    919, 2347, 2960, 2348, 1270, 4511, 4012, 73, 7862, 7863, 647, 7864, 3228, 2843, 2255, 1550,  # 6966
+    1346, 3006, 7865, 1332, 883, 3479, 7866, 7867, 7868, 7869, 3301, 2765, 7870, 1212, 831, 1347,  # 6982
+    4226, 4512, 2326, 3830, 1863, 3053, 720, 3831, 4513, 4514, 3832, 7871, 4227, 7872, 7873, 4515,  # 6998
+    7874, 7875, 1798, 4516, 3708, 2609, 4517, 3586, 1645, 2371, 7876, 7877, 2924, 669, 2208, 2665,  # 7014
+    2429, 7878, 2879, 7879, 7880, 1028, 3229, 7881, 4228, 2408, 7882, 2256, 1353, 7883, 7884, 4518,  # 7030
+    3158, 518, 7885, 4013, 7886, 4229, 1960, 7887, 2142, 4230, 7888, 7889, 3007, 2349, 2350, 3833,  # 7046
+    516, 1833, 1454, 4014, 2699, 4231, 4519, 2225, 2610, 1971, 1129, 3587, 7890, 2766, 7891, 2961,  # 7062
+    1422, 577, 1470, 3008, 1524, 3373, 7892, 7893, 432, 4232, 3054, 3480, 7894, 2586, 1455, 2508,  # 7078
+    2226, 1972, 1175, 7895, 1020, 2732, 4015, 3481, 4520, 7896, 2733, 7897, 1743, 1361, 3055, 3482,  # 7094
+    2639, 4016, 4233, 4521, 2290, 895, 924, 4234, 2170, 331, 2243, 3056, 166, 1627, 3057, 1098,  # 7110
+    7898, 1232, 2880, 2227, 3374, 4522, 657, 403, 1196, 2372, 542, 3709, 3375, 1600, 4235, 3483,  # 7126
+    7899, 4523, 2767, 3230, 576, 530, 1362, 7900, 4524, 2533, 2666, 3710, 4017, 7901, 842, 3834,  # 7142
+    7902, 2801, 2031, 1014, 4018, 213, 2700, 3376, 665, 621, 4236, 7903, 3711, 2925, 2430, 7904,  # 7158
+    2431, 3302, 3588, 3377, 7905, 4237, 2534, 4238, 4525, 3589, 1682, 4239, 3484, 1380, 7906, 724,  # 7174
+    2277, 600, 1670, 7907, 1337, 1233, 4526, 3103, 2244, 7908, 1621, 4527, 7909, 651, 4240, 7910,  # 7190
+    1612, 4241, 2611, 7911, 2844, 7912, 2734, 2307, 3058, 7913, 716, 2459, 3059, 174, 1255, 2701,  # 7206
+    4019, 3590, 548, 1320, 1398, 728, 4020, 1574, 7914, 1890, 1197, 3060, 4021, 7915, 3061, 3062,  # 7222
+    3712, 3591, 3713, 747, 7916, 635, 4242, 4528, 7917, 7918, 7919, 4243, 7920, 7921, 4529, 7922,  # 7238
+    3378, 4530, 2432, 451, 7923, 3714, 2535, 2072, 4244, 2735, 4245, 4022, 7924, 1764, 4531, 7925,  # 7254
+    4246, 350, 7926, 2278, 2390, 2486, 7927, 4247, 4023, 2245, 1434, 4024, 488, 4532, 458, 4248,  # 7270
+    4025, 3715, 771, 1330, 2391, 3835, 2568, 3159, 2159, 2409, 1553, 2667, 3160, 4249, 7928, 2487,  # 7286
+    2881, 2612, 1720, 2702, 4250, 3379, 4533, 7929, 2536, 4251, 7930, 3231, 4252, 2768, 7931, 2015,  # 7302
+    2736, 7932, 1155, 1017, 3716, 3836, 7933, 3303, 2308, 201, 1864, 4253, 1430, 7934, 4026, 7935,  # 7318
+    7936, 7937, 7938, 7939, 4254, 1604, 7940, 414, 1865, 371, 2587, 4534, 4535, 3485, 2016, 3104,  # 7334
+    4536, 1708, 960, 4255, 887, 389, 2171, 1536, 1663, 1721, 7941, 2228, 4027, 2351, 2926, 1580,  # 7350
+    7942, 7943, 7944, 1744, 7945, 2537, 4537, 4538, 7946, 4539, 7947, 2073, 7948, 7949, 3592, 3380,  # 7366
+    2882, 4256, 7950, 4257, 2640, 3381, 2802, 673, 2703, 2460, 709, 3486, 4028, 3593, 4258, 7951,  # 7382
+    1148, 502, 634, 7952, 7953, 1204, 4540, 3594, 1575, 4541, 2613, 3717, 7954, 3718, 3105, 948,  # 7398
+    3232, 121, 1745, 3837, 1110, 7955, 4259, 3063, 2509, 3009, 4029, 3719, 1151, 1771, 3838, 1488,  # 7414
+    4030, 1986, 7956, 2433, 3487, 7957, 7958, 2093, 7959, 4260, 3839, 1213, 1407, 2803, 531, 2737,  # 7430
+    2538, 3233, 1011, 1537, 7960, 2769, 4261, 3106, 1061, 7961, 3720, 3721, 1866, 2883, 7962, 2017,  # 7446
+    120, 4262, 4263, 2062, 3595, 3234, 2309, 3840, 2668, 3382, 1954, 4542, 7963, 7964, 3488, 1047,  # 7462
+    2704, 1266, 7965, 1368, 4543, 2845, 649, 3383, 3841, 2539, 2738, 1102, 2846, 2669, 7966, 7967,  # 7478
+    1999, 7968, 1111, 3596, 2962, 7969, 2488, 3842, 3597, 2804, 1854, 3384, 3722, 7970, 7971, 3385,  # 7494
+    2410, 2884, 3304, 3235, 3598, 7972, 2569, 7973, 3599, 2805, 4031, 1460, 856, 7974, 3600, 7975,  # 7510
+    2885, 2963, 7976, 2886, 3843, 7977, 4264, 632, 2510, 875, 3844, 1697, 3845, 2291, 7978, 7979,  # 7526
+    4544, 3010, 1239, 580, 4545, 4265, 7980, 914, 936, 2074, 1190, 4032, 1039, 2123, 7981, 7982,  # 7542
+    7983, 3386, 1473, 7984, 1354, 4266, 3846, 7985, 2172, 3064, 4033, 915, 3305, 4267, 4268, 3306,  # 7558
+    1605, 1834, 7986, 2739, 398, 3601, 4269, 3847, 4034, 328, 1912, 2847, 4035, 3848, 1331, 4270,  # 7574
+    3011, 937, 4271, 7987, 3602, 4036, 4037, 3387, 2160, 4546, 3388, 524, 742, 538, 3065, 1012,  # 7590
+    7988, 7989, 3849, 2461, 7990, 658, 1103, 225, 3850, 7991, 7992, 4547, 7993, 4548, 7994, 3236,  # 7606
+    1243, 7995, 4038, 963, 2246, 4549, 7996, 2705, 3603, 3161, 7997, 7998, 2588, 2327, 7999, 4550,  # 7622
+    8000, 8001, 8002, 3489, 3307, 957, 3389, 2540, 2032, 1930, 2927, 2462, 870, 2018, 3604, 1746,  # 7638
+    2770, 2771, 2434, 2463, 8003, 3851, 8004, 3723, 3107, 3724, 3490, 3390, 3725, 8005, 1179, 3066,  # 7654
+    8006, 3162, 2373, 4272, 3726, 2541, 3163, 3108, 2740, 4039, 8007, 3391, 1556, 2542, 2292, 977,  # 7670
+    2887, 2033, 4040, 1205, 3392, 8008, 1765, 3393, 3164, 2124, 1271, 1689, 714, 4551, 3491, 8009,  # 7686
+    2328, 3852, 533, 4273, 3605, 2181, 617, 8010, 2464, 3308, 3492, 2310, 8011, 8012, 3165, 8013,  # 7702
+    8014, 3853, 1987, 618, 427, 2641, 3493, 3394, 8015, 8016, 1244, 1690, 8017, 2806, 4274, 4552,  # 7718
+    8018, 3494, 8019, 8020, 2279, 1576, 473, 3606, 4275, 3395, 972, 8021, 3607, 8022, 3067, 8023,  # 7734
+    8024, 4553, 4554, 8025, 3727, 4041, 4042, 8026, 153, 4555, 356, 8027, 1891, 2888, 4276, 2143,  # 7750
+    408, 803, 2352, 8028, 3854, 8029, 4277, 1646, 2570, 2511, 4556, 4557, 3855, 8030, 3856, 4278,  # 7766
+    8031, 2411, 3396, 752, 8032, 8033, 1961, 2964, 8034, 746, 3012, 2465, 8035, 4279, 3728, 698,  # 7782
+    4558, 1892, 4280, 3608, 2543, 4559, 3609, 3857, 8036, 3166, 3397, 8037, 1823, 1302, 4043, 2706,  # 7798
+    3858, 1973, 4281, 8038, 4282, 3167, 823, 1303, 1288, 1236, 2848, 3495, 4044, 3398, 774, 3859,  # 7814
+    8039, 1581, 4560, 1304, 2849, 3860, 4561, 8040, 2435, 2161, 1083, 3237, 4283, 4045, 4284, 344,  # 7830
+    1173, 288, 2311, 454, 1683, 8041, 8042, 1461, 4562, 4046, 2589, 8043, 8044, 4563, 985, 894,  # 7846
+    8045, 3399, 3168, 8046, 1913, 2928, 3729, 1988, 8047, 2110, 1974, 8048, 4047, 8049, 2571, 1194,  # 7862
+    425, 8050, 4564, 3169, 1245, 3730, 4285, 8051, 8052, 2850, 8053, 636, 4565, 1855, 3861, 760,  # 7878
+    1799, 8054, 4286, 2209, 1508, 4566, 4048, 1893, 1684, 2293, 8055, 8056, 8057, 4287, 4288, 2210,  # 7894
+    479, 8058, 8059, 832, 8060, 4049, 2489, 8061, 2965, 2490, 3731, 990, 3109, 627, 1814, 2642,  # 7910
+    4289, 1582, 4290, 2125, 2111, 3496, 4567, 8062, 799, 4291, 3170, 8063, 4568, 2112, 1737, 3013,  # 7926
+    1018, 543, 754, 4292, 3309, 1676, 4569, 4570, 4050, 8064, 1489, 8065, 3497, 8066, 2614, 2889,  # 7942
+    4051, 8067, 8068, 2966, 8069, 8070, 8071, 8072, 3171, 4571, 4572, 2182, 1722, 8073, 3238, 3239,  # 7958
+    1842, 3610, 1715, 481, 365, 1975, 1856, 8074, 8075, 1962, 2491, 4573, 8076, 2126, 3611, 3240,  # 7974
+    433, 1894, 2063, 2075, 8077, 602, 2741, 8078, 8079, 8080, 8081, 8082, 3014, 1628, 3400, 8083,  # 7990
+    3172, 4574, 4052, 2890, 4575, 2512, 8084, 2544, 2772, 8085, 8086, 8087, 3310, 4576, 2891, 8088,  # 8006
+    4577, 8089, 2851, 4578, 4579, 1221, 2967, 4053, 2513, 8090, 8091, 8092, 1867, 1989, 8093, 8094,  # 8022
+    8095, 1895, 8096, 8097, 4580, 1896, 4054, 318, 8098, 2094, 4055, 4293, 8099, 8100, 485, 8101,  # 8038
+    938, 3862, 553, 2670, 116, 8102, 3863, 3612, 8103, 3498, 2671, 2773, 3401, 3311, 2807, 8104,  # 8054
+    3613, 2929, 4056, 1747, 2930, 2968, 8105, 8106, 207, 8107, 8108, 2672, 4581, 2514, 8109, 3015,  # 8070
+    890, 3614, 3864, 8110, 1877, 3732, 3402, 8111, 2183, 2353, 3403, 1652, 8112, 8113, 8114, 941,  # 8086
+    2294, 208, 3499, 4057, 2019, 330, 4294, 3865, 2892, 2492, 3733, 4295, 8115, 8116, 8117, 8118,  # 8102
+)
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euctwprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euctwprober.py
new file mode 100644
index 00000000..a37ab189
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/euctwprober.py
@@ -0,0 +1,47 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .chardistribution import EUCTWDistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import EUCTW_SM_MODEL
+
+
+class EUCTWProber(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(EUCTW_SM_MODEL)
+        self.distribution_analyzer = EUCTWDistributionAnalysis()
+        self.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "EUC-TW"
+
+    @property
+    def language(self) -> str:
+        return "Taiwan"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/gb2312freq.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/gb2312freq.py
new file mode 100644
index 00000000..b32bfc74
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/gb2312freq.py
@@ -0,0 +1,284 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+# GB2312 most frequently used character table
+#
+# Char to FreqOrder table , from hz6763
+
+# 512  --> 0.79  -- 0.79
+# 1024 --> 0.92  -- 0.13
+# 2048 --> 0.98  -- 0.06
+# 6768 --> 1.00  -- 0.02
+#
+# Ideal Distribution Ratio = 0.79135/(1-0.79135) = 3.79
+# Random Distribution Ration = 512 / (3755 - 512) = 0.157
+#
+# Typical Distribution Ratio about 25% of Ideal one, still much higher that RDR
+
+GB2312_TYPICAL_DISTRIBUTION_RATIO = 0.9
+
+GB2312_TABLE_SIZE = 3760
+
+# fmt: off
+GB2312_CHAR_TO_FREQ_ORDER = (
+1671, 749,1443,2364,3924,3807,2330,3921,1704,3463,2691,1511,1515, 572,3191,2205,
+2361, 224,2558, 479,1711, 963,3162, 440,4060,1905,2966,2947,3580,2647,3961,3842,
+2204, 869,4207, 970,2678,5626,2944,2956,1479,4048, 514,3595, 588,1346,2820,3409,
+ 249,4088,1746,1873,2047,1774, 581,1813, 358,1174,3590,1014,1561,4844,2245, 670,
+1636,3112, 889,1286, 953, 556,2327,3060,1290,3141, 613, 185,3477,1367, 850,3820,
+1715,2428,2642,2303,2732,3041,2562,2648,3566,3946,1349, 388,3098,2091,1360,3585,
+ 152,1687,1539, 738,1559,  59,1232,2925,2267,1388,1249,1741,1679,2960, 151,1566,
+1125,1352,4271, 924,4296, 385,3166,4459, 310,1245,2850,  70,3285,2729,3534,3575,
+2398,3298,3466,1960,2265, 217,3647, 864,1909,2084,4401,2773,1010,3269,5152, 853,
+3051,3121,1244,4251,1895, 364,1499,1540,2313,1180,3655,2268, 562, 715,2417,3061,
+ 544, 336,3768,2380,1752,4075, 950, 280,2425,4382, 183,2759,3272, 333,4297,2155,
+1688,2356,1444,1039,4540, 736,1177,3349,2443,2368,2144,2225, 565, 196,1482,3406,
+ 927,1335,4147, 692, 878,1311,1653,3911,3622,1378,4200,1840,2969,3149,2126,1816,
+2534,1546,2393,2760, 737,2494,  13, 447, 245,2747,  38,2765,2129,2589,1079, 606,
+ 360, 471,3755,2890, 404, 848, 699,1785,1236, 370,2221,1023,3746,2074,2026,2023,
+2388,1581,2119, 812,1141,3091,2536,1519, 804,2053, 406,1596,1090, 784, 548,4414,
+1806,2264,2936,1100, 343,4114,5096, 622,3358, 743,3668,1510,1626,5020,3567,2513,
+3195,4115,5627,2489,2991,  24,2065,2697,1087,2719,  48,1634, 315,  68, 985,2052,
+ 198,2239,1347,1107,1439, 597,2366,2172, 871,3307, 919,2487,2790,1867, 236,2570,
+1413,3794, 906,3365,3381,1701,1982,1818,1524,2924,1205, 616,2586,2072,2004, 575,
+ 253,3099,  32,1365,1182, 197,1714,2454,1201, 554,3388,3224,2748, 756,2587, 250,
+2567,1507,1517,3529,1922,2761,2337,3416,1961,1677,2452,2238,3153, 615, 911,1506,
+1474,2495,1265,1906,2749,3756,3280,2161, 898,2714,1759,3450,2243,2444, 563,  26,
+3286,2266,3769,3344,2707,3677, 611,1402, 531,1028,2871,4548,1375, 261,2948, 835,
+1190,4134, 353, 840,2684,1900,3082,1435,2109,1207,1674, 329,1872,2781,4055,2686,
+2104, 608,3318,2423,2957,2768,1108,3739,3512,3271,3985,2203,1771,3520,1418,2054,
+1681,1153, 225,1627,2929, 162,2050,2511,3687,1954, 124,1859,2431,1684,3032,2894,
+ 585,4805,3969,2869,2704,2088,2032,2095,3656,2635,4362,2209, 256, 518,2042,2105,
+3777,3657, 643,2298,1148,1779, 190, 989,3544, 414,  11,2135,2063,2979,1471, 403,
+3678, 126, 770,1563, 671,2499,3216,2877, 600,1179, 307,2805,4937,1268,1297,2694,
+ 252,4032,1448,1494,1331,1394, 127,2256, 222,1647,1035,1481,3056,1915,1048, 873,
+3651, 210,  33,1608,2516, 200,1520, 415, 102,   0,3389,1287, 817,  91,3299,2940,
+ 836,1814, 549,2197,1396,1669,2987,3582,2297,2848,4528,1070, 687,  20,1819, 121,
+1552,1364,1461,1968,2617,3540,2824,2083, 177, 948,4938,2291, 110,4549,2066, 648,
+3359,1755,2110,2114,4642,4845,1693,3937,3308,1257,1869,2123, 208,1804,3159,2992,
+2531,2549,3361,2418,1350,2347,2800,2568,1291,2036,2680,  72, 842,1990, 212,1233,
+1154,1586,  75,2027,3410,4900,1823,1337,2710,2676, 728,2810,1522,3026,4995, 157,
+ 755,1050,4022, 710, 785,1936,2194,2085,1406,2777,2400, 150,1250,4049,1206, 807,
+1910, 534, 529,3309,1721,1660, 274,  39,2827, 661,2670,1578, 925,3248,3815,1094,
+4278,4901,4252,  41,1150,3747,2572,2227,4501,3658,4902,3813,3357,3617,2884,2258,
+ 887, 538,4187,3199,1294,2439,3042,2329,2343,2497,1255, 107, 543,1527, 521,3478,
+3568, 194,5062,  15, 961,3870,1241,1192,2664,  66,5215,3260,2111,1295,1127,2152,
+3805,4135, 901,1164,1976, 398,1278, 530,1460, 748, 904,1054,1966,1426,  53,2909,
+ 509, 523,2279,1534, 536,1019, 239,1685, 460,2353, 673,1065,2401,3600,4298,2272,
+1272,2363, 284,1753,3679,4064,1695,  81, 815,2677,2757,2731,1386, 859, 500,4221,
+2190,2566, 757,1006,2519,2068,1166,1455, 337,2654,3203,1863,1682,1914,3025,1252,
+1409,1366, 847, 714,2834,2038,3209, 964,2970,1901, 885,2553,1078,1756,3049, 301,
+1572,3326, 688,2130,1996,2429,1805,1648,2930,3421,2750,3652,3088, 262,1158,1254,
+ 389,1641,1812, 526,1719, 923,2073,1073,1902, 468, 489,4625,1140, 857,2375,3070,
+3319,2863, 380, 116,1328,2693,1161,2244, 273,1212,1884,2769,3011,1775,1142, 461,
+3066,1200,2147,2212, 790, 702,2695,4222,1601,1058, 434,2338,5153,3640,  67,2360,
+4099,2502, 618,3472,1329, 416,1132, 830,2782,1807,2653,3211,3510,1662, 192,2124,
+ 296,3979,1739,1611,3684,  23, 118, 324, 446,1239,1225, 293,2520,3814,3795,2535,
+3116,  17,1074, 467,2692,2201, 387,2922,  45,1326,3055,1645,3659,2817, 958, 243,
+1903,2320,1339,2825,1784,3289, 356, 576, 865,2315,2381,3377,3916,1088,3122,1713,
+1655, 935, 628,4689,1034,1327, 441, 800, 720, 894,1979,2183,1528,5289,2702,1071,
+4046,3572,2399,1571,3281,  79, 761,1103, 327, 134, 758,1899,1371,1615, 879, 442,
+ 215,2605,2579, 173,2048,2485,1057,2975,3317,1097,2253,3801,4263,1403,1650,2946,
+ 814,4968,3487,1548,2644,1567,1285,   2, 295,2636,  97, 946,3576, 832, 141,4257,
+3273, 760,3821,3521,3156,2607, 949,1024,1733,1516,1803,1920,2125,2283,2665,3180,
+1501,2064,3560,2171,1592, 803,3518,1416, 732,3897,4258,1363,1362,2458, 119,1427,
+ 602,1525,2608,1605,1639,3175, 694,3064,  10, 465,  76,2000,4846,4208, 444,3781,
+1619,3353,2206,1273,3796, 740,2483, 320,1723,2377,3660,2619,1359,1137,1762,1724,
+2345,2842,1850,1862, 912, 821,1866, 612,2625,1735,2573,3369,1093, 844,  89, 937,
+ 930,1424,3564,2413,2972,1004,3046,3019,2011, 711,3171,1452,4178, 428, 801,1943,
+ 432, 445,2811, 206,4136,1472, 730, 349,  73, 397,2802,2547, 998,1637,1167, 789,
+ 396,3217, 154,1218, 716,1120,1780,2819,4826,1931,3334,3762,2139,1215,2627, 552,
+3664,3628,3232,1405,2383,3111,1356,2652,3577,3320,3101,1703, 640,1045,1370,1246,
+4996, 371,1575,2436,1621,2210, 984,4033,1734,2638,  16,4529, 663,2755,3255,1451,
+3917,2257,1253,1955,2234,1263,2951, 214,1229, 617, 485, 359,1831,1969, 473,2310,
+ 750,2058, 165,  80,2864,2419, 361,4344,2416,2479,1134, 796,3726,1266,2943, 860,
+2715, 938, 390,2734,1313,1384, 248, 202, 877,1064,2854, 522,3907, 279,1602, 297,
+2357, 395,3740, 137,2075, 944,4089,2584,1267,3802,  62,1533,2285, 178, 176, 780,
+2440, 201,3707, 590, 478,1560,4354,2117,1075,  30,  74,4643,4004,1635,1441,2745,
+ 776,2596, 238,1077,1692,1912,2844, 605, 499,1742,3947, 241,3053, 980,1749, 936,
+2640,4511,2582, 515,1543,2162,5322,2892,2993, 890,2148,1924, 665,1827,3581,1032,
+ 968,3163, 339,1044,1896, 270, 583,1791,1720,4367,1194,3488,3669,  43,2523,1657,
+ 163,2167, 290,1209,1622,3378, 550, 634,2508,2510, 695,2634,2384,2512,1476,1414,
+ 220,1469,2341,2138,2852,3183,2900,4939,2865,3502,1211,3680, 854,3227,1299,2976,
+3172, 186,2998,1459, 443,1067,3251,1495, 321,1932,3054, 909, 753,1410,1828, 436,
+2441,1119,1587,3164,2186,1258, 227, 231,1425,1890,3200,3942, 247, 959, 725,5254,
+2741, 577,2158,2079, 929, 120, 174, 838,2813, 591,1115, 417,2024,  40,3240,1536,
+1037, 291,4151,2354, 632,1298,2406,2500,3535,1825,1846,3451, 205,1171, 345,4238,
+  18,1163, 811, 685,2208,1217, 425,1312,1508,1175,4308,2552,1033, 587,1381,3059,
+2984,3482, 340,1316,4023,3972, 792,3176, 519, 777,4690, 918, 933,4130,2981,3741,
+  90,3360,2911,2200,5184,4550, 609,3079,2030, 272,3379,2736, 363,3881,1130,1447,
+ 286, 779, 357,1169,3350,3137,1630,1220,2687,2391, 747,1277,3688,2618,2682,2601,
+1156,3196,5290,4034,3102,1689,3596,3128, 874, 219,2783, 798, 508,1843,2461, 269,
+1658,1776,1392,1913,2983,3287,2866,2159,2372, 829,4076,  46,4253,2873,1889,1894,
+ 915,1834,1631,2181,2318, 298, 664,2818,3555,2735, 954,3228,3117, 527,3511,2173,
+ 681,2712,3033,2247,2346,3467,1652, 155,2164,3382, 113,1994, 450, 899, 494, 994,
+1237,2958,1875,2336,1926,3727, 545,1577,1550, 633,3473, 204,1305,3072,2410,1956,
+2471, 707,2134, 841,2195,2196,2663,3843,1026,4940, 990,3252,4997, 368,1092, 437,
+3212,3258,1933,1829, 675,2977,2893, 412, 943,3723,4644,3294,3283,2230,2373,5154,
+2389,2241,2661,2323,1404,2524, 593, 787, 677,3008,1275,2059, 438,2709,2609,2240,
+2269,2246,1446,  36,1568,1373,3892,1574,2301,1456,3962, 693,2276,5216,2035,1143,
+2720,1919,1797,1811,2763,4137,2597,1830,1699,1488,1198,2090, 424,1694, 312,3634,
+3390,4179,3335,2252,1214, 561,1059,3243,2295,2561, 975,5155,2321,2751,3772, 472,
+1537,3282,3398,1047,2077,2348,2878,1323,3340,3076, 690,2906,  51, 369, 170,3541,
+1060,2187,2688,3670,2541,1083,1683, 928,3918, 459, 109,4427, 599,3744,4286, 143,
+2101,2730,2490,  82,1588,3036,2121, 281,1860, 477,4035,1238,2812,3020,2716,3312,
+1530,2188,2055,1317, 843, 636,1808,1173,3495, 649, 181,1002, 147,3641,1159,2414,
+3750,2289,2795, 813,3123,2610,1136,4368,   5,3391,4541,2174, 420, 429,1728, 754,
+1228,2115,2219, 347,2223,2733, 735,1518,3003,2355,3134,1764,3948,3329,1888,2424,
+1001,1234,1972,3321,3363,1672,1021,1450,1584, 226, 765, 655,2526,3404,3244,2302,
+3665, 731, 594,2184, 319,1576, 621, 658,2656,4299,2099,3864,1279,2071,2598,2739,
+ 795,3086,3699,3908,1707,2352,2402,1382,3136,2475,1465,4847,3496,3865,1085,3004,
+2591,1084, 213,2287,1963,3565,2250, 822, 793,4574,3187,1772,1789,3050, 595,1484,
+1959,2770,1080,2650, 456, 422,2996, 940,3322,4328,4345,3092,2742, 965,2784, 739,
+4124, 952,1358,2498,2949,2565, 332,2698,2378, 660,2260,2473,4194,3856,2919, 535,
+1260,2651,1208,1428,1300,1949,1303,2942, 433,2455,2450,1251,1946, 614,1269, 641,
+1306,1810,2737,3078,2912, 564,2365,1419,1415,1497,4460,2367,2185,1379,3005,1307,
+3218,2175,1897,3063, 682,1157,4040,4005,1712,1160,1941,1399, 394, 402,2952,1573,
+1151,2986,2404, 862, 299,2033,1489,3006, 346, 171,2886,3401,1726,2932, 168,2533,
+  47,2507,1030,3735,1145,3370,1395,1318,1579,3609,4560,2857,4116,1457,2529,1965,
+ 504,1036,2690,2988,2405, 745,5871, 849,2397,2056,3081, 863,2359,3857,2096,  99,
+1397,1769,2300,4428,1643,3455,1978,1757,3718,1440,  35,4879,3742,1296,4228,2280,
+ 160,5063,1599,2013, 166, 520,3479,1646,3345,3012, 490,1937,1545,1264,2182,2505,
+1096,1188,1369,1436,2421,1667,2792,2460,1270,2122, 727,3167,2143, 806,1706,1012,
+1800,3037, 960,2218,1882, 805, 139,2456,1139,1521, 851,1052,3093,3089, 342,2039,
+ 744,5097,1468,1502,1585,2087, 223, 939, 326,2140,2577, 892,2481,1623,4077, 982,
+3708, 135,2131,  87,2503,3114,2326,1106, 876,1616, 547,2997,2831,2093,3441,4530,
+4314,   9,3256,4229,4148, 659,1462,1986,1710,2046,2913,2231,4090,4880,5255,3392,
+3274,1368,3689,4645,1477, 705,3384,3635,1068,1529,2941,1458,3782,1509, 100,1656,
+2548, 718,2339, 408,1590,2780,3548,1838,4117,3719,1345,3530, 717,3442,2778,3220,
+2898,1892,4590,3614,3371,2043,1998,1224,3483, 891, 635, 584,2559,3355, 733,1766,
+1729,1172,3789,1891,2307, 781,2982,2271,1957,1580,5773,2633,2005,4195,3097,1535,
+3213,1189,1934,5693,3262, 586,3118,1324,1598, 517,1564,2217,1868,1893,4445,3728,
+2703,3139,1526,1787,1992,3882,2875,1549,1199,1056,2224,1904,2711,5098,4287, 338,
+1993,3129,3489,2689,1809,2815,1997, 957,1855,3898,2550,3275,3057,1105,1319, 627,
+1505,1911,1883,3526, 698,3629,3456,1833,1431, 746,  77,1261,2017,2296,1977,1885,
+ 125,1334,1600, 525,1798,1109,2222,1470,1945, 559,2236,1186,3443,2476,1929,1411,
+2411,3135,1777,3372,2621,1841,1613,3229, 668,1430,1839,2643,2916, 195,1989,2671,
+2358,1387, 629,3205,2293,5256,4439, 123,1310, 888,1879,4300,3021,3605,1003,1162,
+3192,2910,2010, 140,2395,2859,  55,1082,2012,2901, 662, 419,2081,1438, 680,2774,
+4654,3912,1620,1731,1625,5035,4065,2328, 512,1344, 802,5443,2163,2311,2537, 524,
+3399,  98,1155,2103,1918,2606,3925,2816,1393,2465,1504,3773,2177,3963,1478,4346,
+ 180,1113,4655,3461,2028,1698, 833,2696,1235,1322,1594,4408,3623,3013,3225,2040,
+3022, 541,2881, 607,3632,2029,1665,1219, 639,1385,1686,1099,2803,3231,1938,3188,
+2858, 427, 676,2772,1168,2025, 454,3253,2486,3556, 230,1950, 580, 791,1991,1280,
+1086,1974,2034, 630, 257,3338,2788,4903,1017,  86,4790, 966,2789,1995,1696,1131,
+ 259,3095,4188,1308, 179,1463,5257, 289,4107,1248,  42,3413,1725,2288, 896,1947,
+ 774,4474,4254, 604,3430,4264, 392,2514,2588, 452, 237,1408,3018, 988,4531,1970,
+3034,3310, 540,2370,1562,1288,2990, 502,4765,1147,   4,1853,2708, 207, 294,2814,
+4078,2902,2509, 684,  34,3105,3532,2551, 644, 709,2801,2344, 573,1727,3573,3557,
+2021,1081,3100,4315,2100,3681, 199,2263,1837,2385, 146,3484,1195,2776,3949, 997,
+1939,3973,1008,1091,1202,1962,1847,1149,4209,5444,1076, 493, 117,5400,2521, 972,
+1490,2934,1796,4542,2374,1512,2933,2657, 413,2888,1135,2762,2314,2156,1355,2369,
+ 766,2007,2527,2170,3124,2491,2593,2632,4757,2437, 234,3125,3591,1898,1750,1376,
+1942,3468,3138, 570,2127,2145,3276,4131, 962, 132,1445,4196,  19, 941,3624,3480,
+3366,1973,1374,4461,3431,2629, 283,2415,2275, 808,2887,3620,2112,2563,1353,3610,
+ 955,1089,3103,1053,  96,  88,4097, 823,3808,1583, 399, 292,4091,3313, 421,1128,
+ 642,4006, 903,2539,1877,2082, 596,  29,4066,1790, 722,2157, 130, 995,1569, 769,
+1485, 464, 513,2213, 288,1923,1101,2453,4316, 133, 486,2445,  50, 625, 487,2207,
+  57, 423, 481,2962, 159,3729,1558, 491, 303, 482, 501, 240,2837, 112,3648,2392,
+1783, 362,   8,3433,3422, 610,2793,3277,1390,1284,1654,  21,3823, 734, 367, 623,
+ 193, 287, 374,1009,1483, 816, 476, 313,2255,2340,1262,2150,2899,1146,2581, 782,
+2116,1659,2018,1880, 255,3586,3314,1110,2867,2137,2564, 986,2767,5185,2006, 650,
+ 158, 926, 762, 881,3157,2717,2362,3587, 306,3690,3245,1542,3077,2427,1691,2478,
+2118,2985,3490,2438, 539,2305, 983, 129,1754, 355,4201,2386, 827,2923, 104,1773,
+2838,2771, 411,2905,3919, 376, 767, 122,1114, 828,2422,1817,3506, 266,3460,1007,
+1609,4998, 945,2612,4429,2274, 726,1247,1964,2914,2199,2070,4002,4108, 657,3323,
+1422, 579, 455,2764,4737,1222,2895,1670, 824,1223,1487,2525, 558, 861,3080, 598,
+2659,2515,1967, 752,2583,2376,2214,4180, 977, 704,2464,4999,2622,4109,1210,2961,
+ 819,1541, 142,2284,  44, 418, 457,1126,3730,4347,4626,1644,1876,3671,1864, 302,
+1063,5694, 624, 723,1984,3745,1314,1676,2488,1610,1449,3558,3569,2166,2098, 409,
+1011,2325,3704,2306, 818,1732,1383,1824,1844,3757, 999,2705,3497,1216,1423,2683,
+2426,2954,2501,2726,2229,1475,2554,5064,1971,1794,1666,2014,1343, 783, 724, 191,
+2434,1354,2220,5065,1763,2752,2472,4152, 131, 175,2885,3434,  92,1466,4920,2616,
+3871,3872,3866, 128,1551,1632, 669,1854,3682,4691,4125,1230, 188,2973,3290,1302,
+1213, 560,3266, 917, 763,3909,3249,1760, 868,1958, 764,1782,2097, 145,2277,3774,
+4462,  64,1491,3062, 971,2132,3606,2442, 221,1226,1617, 218, 323,1185,3207,3147,
+ 571, 619,1473,1005,1744,2281, 449,1887,2396,3685, 275, 375,3816,1743,3844,3731,
+ 845,1983,2350,4210,1377, 773, 967,3499,3052,3743,2725,4007,1697,1022,3943,1464,
+3264,2855,2722,1952,1029,2839,2467,  84,4383,2215, 820,1391,2015,2448,3672, 377,
+1948,2168, 797,2545,3536,2578,2645,  94,2874,1678, 405,1259,3071, 771, 546,1315,
+ 470,1243,3083, 895,2468, 981, 969,2037, 846,4181, 653,1276,2928,  14,2594, 557,
+3007,2474, 156, 902,1338,1740,2574, 537,2518, 973,2282,2216,2433,1928, 138,2903,
+1293,2631,1612, 646,3457, 839,2935, 111, 496,2191,2847, 589,3186, 149,3994,2060,
+4031,2641,4067,3145,1870,  37,3597,2136,1025,2051,3009,3383,3549,1121,1016,3261,
+1301, 251,2446,2599,2153, 872,3246, 637, 334,3705, 831, 884, 921,3065,3140,4092,
+2198,1944, 246,2964, 108,2045,1152,1921,2308,1031, 203,3173,4170,1907,3890, 810,
+1401,2003,1690, 506, 647,1242,2828,1761,1649,3208,2249,1589,3709,2931,5156,1708,
+ 498, 666,2613, 834,3817,1231, 184,2851,1124, 883,3197,2261,3710,1765,1553,2658,
+1178,2639,2351,  93,1193, 942,2538,2141,4402, 235,1821, 870,1591,2192,1709,1871,
+3341,1618,4126,2595,2334, 603, 651,  69, 701, 268,2662,3411,2555,1380,1606, 503,
+ 448, 254,2371,2646, 574,1187,2309,1770, 322,2235,1292,1801, 305, 566,1133, 229,
+2067,2057, 706, 167, 483,2002,2672,3295,1820,3561,3067, 316, 378,2746,3452,1112,
+ 136,1981, 507,1651,2917,1117, 285,4591, 182,2580,3522,1304, 335,3303,1835,2504,
+1795,1792,2248, 674,1018,2106,2449,1857,2292,2845, 976,3047,1781,2600,2727,1389,
+1281,  52,3152, 153, 265,3950, 672,3485,3951,4463, 430,1183, 365, 278,2169,  27,
+1407,1336,2304, 209,1340,1730,2202,1852,2403,2883, 979,1737,1062, 631,2829,2542,
+3876,2592, 825,2086,2226,3048,3625, 352,1417,3724, 542, 991, 431,1351,3938,1861,
+2294, 826,1361,2927,3142,3503,1738, 463,2462,2723, 582,1916,1595,2808, 400,3845,
+3891,2868,3621,2254,  58,2492,1123, 910,2160,2614,1372,1603,1196,1072,3385,1700,
+3267,1980, 696, 480,2430, 920, 799,1570,2920,1951,2041,4047,2540,1321,4223,2469,
+3562,2228,1271,2602, 401,2833,3351,2575,5157, 907,2312,1256, 410, 263,3507,1582,
+ 996, 678,1849,2316,1480, 908,3545,2237, 703,2322, 667,1826,2849,1531,2604,2999,
+2407,3146,2151,2630,1786,3711, 469,3542, 497,3899,2409, 858, 837,4446,3393,1274,
+ 786, 620,1845,2001,3311, 484, 308,3367,1204,1815,3691,2332,1532,2557,1842,2020,
+2724,1927,2333,4440, 567,  22,1673,2728,4475,1987,1858,1144,1597, 101,1832,3601,
+  12, 974,3783,4391, 951,1412,   1,3720, 453,4608,4041, 528,1041,1027,3230,2628,
+1129, 875,1051,3291,1203,2262,1069,2860,2799,2149,2615,3278, 144,1758,3040,  31,
+ 475,1680, 366,2685,3184, 311,1642,4008,2466,5036,1593,1493,2809, 216,1420,1668,
+ 233, 304,2128,3284, 232,1429,1768,1040,2008,3407,2740,2967,2543, 242,2133, 778,
+1565,2022,2620, 505,2189,2756,1098,2273, 372,1614, 708, 553,2846,2094,2278, 169,
+3626,2835,4161, 228,2674,3165, 809,1454,1309, 466,1705,1095, 900,3423, 880,2667,
+3751,5258,2317,3109,2571,4317,2766,1503,1342, 866,4447,1118,  63,2076, 314,1881,
+1348,1061, 172, 978,3515,1747, 532, 511,3970,   6, 601, 905,2699,3300,1751, 276,
+1467,3725,2668,  65,4239,2544,2779,2556,1604, 578,2451,1802, 992,2331,2624,1320,
+3446, 713,1513,1013, 103,2786,2447,1661, 886,1702, 916, 654,3574,2031,1556, 751,
+2178,2821,2179,1498,1538,2176, 271, 914,2251,2080,1325, 638,1953,2937,3877,2432,
+2754,  95,3265,1716, 260,1227,4083, 775, 106,1357,3254, 426,1607, 555,2480, 772,
+1985, 244,2546, 474, 495,1046,2611,1851,2061,  71,2089,1675,2590, 742,3758,2843,
+3222,1433, 267,2180,2576,2826,2233,2092,3913,2435, 956,1745,3075, 856,2113,1116,
+ 451,   3,1988,2896,1398, 993,2463,1878,2049,1341,2718,2721,2870,2108, 712,2904,
+4363,2753,2324, 277,2872,2349,2649, 384, 987, 435, 691,3000, 922, 164,3939, 652,
+1500,1184,4153,2482,3373,2165,4848,2335,3775,3508,3154,2806,2830,1554,2102,1664,
+2530,1434,2408, 893,1547,2623,3447,2832,2242,2532,3169,2856,3223,2078,  49,3770,
+3469, 462, 318, 656,2259,3250,3069, 679,1629,2758, 344,1138,1104,3120,1836,1283,
+3115,2154,1437,4448, 934, 759,1999, 794,2862,1038, 533,2560,1722,2342, 855,2626,
+1197,1663,4476,3127,  85,4240,2528,  25,1111,1181,3673, 407,3470,4561,2679,2713,
+ 768,1925,2841,3986,1544,1165, 932, 373,1240,2146,1930,2673, 721,4766, 354,4333,
+ 391,2963, 187,  61,3364,1442,1102, 330,1940,1767, 341,3809,4118, 393,2496,2062,
+2211, 105, 331, 300, 439, 913,1332, 626, 379,3304,1557, 328, 689,3952, 309,1555,
+ 931, 317,2517,3027, 325, 569, 686,2107,3084,  60,1042,1333,2794, 264,3177,4014,
+1628, 258,3712,   7,4464,1176,1043,1778, 683, 114,1975,  78,1492, 383,1886, 510,
+ 386, 645,5291,2891,2069,3305,4138,3867,2939,2603,2493,1935,1066,1848,3588,1015,
+1282,1289,4609, 697,1453,3044,2666,3611,1856,2412,  54, 719,1330, 568,3778,2459,
+1748, 788, 492, 551,1191,1000, 488,3394,3763, 282,1799, 348,2016,1523,3155,2390,
+1049, 382,2019,1788,1170, 729,2968,3523, 897,3926,2785,2938,3292, 350,2319,3238,
+1718,1717,2655,3453,3143,4465, 161,2889,2980,2009,1421,  56,1908,1640,2387,2232,
+1917,1874,2477,4921, 148,  83,3438, 592,4245,2882,1822,1055, 741, 115,1496,1624,
+ 381,1638,4592,1020, 516,3214, 458, 947,4575,1432, 211,1514,2926,1865,2142, 189,
+ 852,1221,1400,1486, 882,2299,4036, 351,  28,1122, 700,6479,6480,6481,6482,6483,  #last 512
+)
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/gb2312prober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/gb2312prober.py
new file mode 100644
index 00000000..d423e731
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/gb2312prober.py
@@ -0,0 +1,47 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .chardistribution import GB2312DistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import GB2312_SM_MODEL
+
+
+class GB2312Prober(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(GB2312_SM_MODEL)
+        self.distribution_analyzer = GB2312DistributionAnalysis()
+        self.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "GB2312"
+
+    @property
+    def language(self) -> str:
+        return "Chinese"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/hebrewprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/hebrewprober.py
new file mode 100644
index 00000000..785d0057
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/hebrewprober.py
@@ -0,0 +1,316 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+#          Shy Shalom
+# Portions created by the Initial Developer are Copyright (C) 2005
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Optional, Union
+
+from .charsetprober import CharSetProber
+from .enums import ProbingState
+from .sbcharsetprober import SingleByteCharSetProber
+
+# This prober doesn't actually recognize a language or a charset.
+# It is a helper prober for the use of the Hebrew model probers
+
+### General ideas of the Hebrew charset recognition ###
+#
+# Four main charsets exist in Hebrew:
+# "ISO-8859-8" - Visual Hebrew
+# "windows-1255" - Logical Hebrew
+# "ISO-8859-8-I" - Logical Hebrew
+# "x-mac-hebrew" - ?? Logical Hebrew ??
+#
+# Both "ISO" charsets use a completely identical set of code points, whereas
+# "windows-1255" and "x-mac-hebrew" are two different proper supersets of
+# these code points. windows-1255 defines additional characters in the range
+# 0x80-0x9F as some misc punctuation marks as well as some Hebrew-specific
+# diacritics and additional 'Yiddish' ligature letters in the range 0xc0-0xd6.
+# x-mac-hebrew defines similar additional code points but with a different
+# mapping.
+#
+# As far as an average Hebrew text with no diacritics is concerned, all four
+# charsets are identical with respect to code points. Meaning that for the
+# main Hebrew alphabet, all four map the same values to all 27 Hebrew letters
+# (including final letters).
+#
+# The dominant difference between these charsets is their directionality.
+# "Visual" directionality means that the text is ordered as if the renderer is
+# not aware of a BIDI rendering algorithm. The renderer sees the text and
+# draws it from left to right. The text itself when ordered naturally is read
+# backwards. A buffer of Visual Hebrew generally looks like so:
+# "[last word of first line spelled backwards] [whole line ordered backwards
+# and spelled backwards] [first word of first line spelled backwards]
+# [end of line] [last word of second line] ... etc' "
+# adding punctuation marks, numbers and English text to visual text is
+# naturally also "visual" and from left to right.
+#
+# "Logical" directionality means the text is ordered "naturally" according to
+# the order it is read. It is the responsibility of the renderer to display
+# the text from right to left. A BIDI algorithm is used to place general
+# punctuation marks, numbers and English text in the text.
+#
+# Texts in x-mac-hebrew are almost impossible to find on the Internet. From
+# what little evidence I could find, it seems that its general directionality
+# is Logical.
+#
+# To sum up all of the above, the Hebrew probing mechanism knows about two
+# charsets:
+# Visual Hebrew - "ISO-8859-8" - backwards text - Words and sentences are
+#    backwards while line order is natural. For charset recognition purposes
+#    the line order is unimportant (In fact, for this implementation, even
+#    word order is unimportant).
+# Logical Hebrew - "windows-1255" - normal, naturally ordered text.
+#
+# "ISO-8859-8-I" is a subset of windows-1255 and doesn't need to be
+#    specifically identified.
+# "x-mac-hebrew" is also identified as windows-1255. A text in x-mac-hebrew
+#    that contain special punctuation marks or diacritics is displayed with
+#    some unconverted characters showing as question marks. This problem might
+#    be corrected using another model prober for x-mac-hebrew. Due to the fact
+#    that x-mac-hebrew texts are so rare, writing another model prober isn't
+#    worth the effort and performance hit.
+#
+#### The Prober ####
+#
+# The prober is divided between two SBCharSetProbers and a HebrewProber,
+# all of which are managed, created, fed data, inquired and deleted by the
+# SBCSGroupProber. The two SBCharSetProbers identify that the text is in
+# fact some kind of Hebrew, Logical or Visual. The final decision about which
+# one is it is made by the HebrewProber by combining final-letter scores
+# with the scores of the two SBCharSetProbers to produce a final answer.
+#
+# The SBCSGroupProber is responsible for stripping the original text of HTML
+# tags, English characters, numbers, low-ASCII punctuation characters, spaces
+# and new lines. It reduces any sequence of such characters to a single space.
+# The buffer fed to each prober in the SBCS group prober is pure text in
+# high-ASCII.
+# The two SBCharSetProbers (model probers) share the same language model:
+# Win1255Model.
+# The first SBCharSetProber uses the model normally as any other
+# SBCharSetProber does, to recognize windows-1255, upon which this model was
+# built. The second SBCharSetProber is told to make the pair-of-letter
+# lookup in the language model backwards. This in practice exactly simulates
+# a visual Hebrew model using the windows-1255 logical Hebrew model.
+#
+# The HebrewProber is not using any language model. All it does is look for
+# final-letter evidence suggesting the text is either logical Hebrew or visual
+# Hebrew. Disjointed from the model probers, the results of the HebrewProber
+# alone are meaningless. HebrewProber always returns 0.00 as confidence
+# since it never identifies a charset by itself. Instead, the pointer to the
+# HebrewProber is passed to the model probers as a helper "Name Prober".
+# When the Group prober receives a positive identification from any prober,
+# it asks for the name of the charset identified. If the prober queried is a
+# Hebrew model prober, the model prober forwards the call to the
+# HebrewProber to make the final decision. In the HebrewProber, the
+# decision is made according to the final-letters scores maintained and Both
+# model probers scores. The answer is returned in the form of the name of the
+# charset identified, either "windows-1255" or "ISO-8859-8".
+
+
+class HebrewProber(CharSetProber):
+    SPACE = 0x20
+    # windows-1255 / ISO-8859-8 code points of interest
+    FINAL_KAF = 0xEA
+    NORMAL_KAF = 0xEB
+    FINAL_MEM = 0xED
+    NORMAL_MEM = 0xEE
+    FINAL_NUN = 0xEF
+    NORMAL_NUN = 0xF0
+    FINAL_PE = 0xF3
+    NORMAL_PE = 0xF4
+    FINAL_TSADI = 0xF5
+    NORMAL_TSADI = 0xF6
+
+    # Minimum Visual vs Logical final letter score difference.
+    # If the difference is below this, don't rely solely on the final letter score
+    # distance.
+    MIN_FINAL_CHAR_DISTANCE = 5
+
+    # Minimum Visual vs Logical model score difference.
+    # If the difference is below this, don't rely at all on the model score
+    # distance.
+    MIN_MODEL_DISTANCE = 0.01
+
+    VISUAL_HEBREW_NAME = "ISO-8859-8"
+    LOGICAL_HEBREW_NAME = "windows-1255"
+
+    def __init__(self) -> None:
+        super().__init__()
+        self._final_char_logical_score = 0
+        self._final_char_visual_score = 0
+        self._prev = self.SPACE
+        self._before_prev = self.SPACE
+        self._logical_prober: Optional[SingleByteCharSetProber] = None
+        self._visual_prober: Optional[SingleByteCharSetProber] = None
+        self.reset()
+
+    def reset(self) -> None:
+        self._final_char_logical_score = 0
+        self._final_char_visual_score = 0
+        # The two last characters seen in the previous buffer,
+        # mPrev and mBeforePrev are initialized to space in order to simulate
+        # a word delimiter at the beginning of the data
+        self._prev = self.SPACE
+        self._before_prev = self.SPACE
+        # These probers are owned by the group prober.
+
+    def set_model_probers(
+        self,
+        logical_prober: SingleByteCharSetProber,
+        visual_prober: SingleByteCharSetProber,
+    ) -> None:
+        self._logical_prober = logical_prober
+        self._visual_prober = visual_prober
+
+    def is_final(self, c: int) -> bool:
+        return c in [
+            self.FINAL_KAF,
+            self.FINAL_MEM,
+            self.FINAL_NUN,
+            self.FINAL_PE,
+            self.FINAL_TSADI,
+        ]
+
+    def is_non_final(self, c: int) -> bool:
+        # The normal Tsadi is not a good Non-Final letter due to words like
+        # 'lechotet' (to chat) containing an apostrophe after the tsadi. This
+        # apostrophe is converted to a space in FilterWithoutEnglishLetters
+        # causing the Non-Final tsadi to appear at an end of a word even
+        # though this is not the case in the original text.
+        # The letters Pe and Kaf rarely display a related behavior of not being
+        # a good Non-Final letter. Words like 'Pop', 'Winamp' and 'Mubarak'
+        # for example legally end with a Non-Final Pe or Kaf. However, the
+        # benefit of these letters as Non-Final letters outweighs the damage
+        # since these words are quite rare.
+        return c in [self.NORMAL_KAF, self.NORMAL_MEM, self.NORMAL_NUN, self.NORMAL_PE]
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        # Final letter analysis for logical-visual decision.
+        # Look for evidence that the received buffer is either logical Hebrew
+        # or visual Hebrew.
+        # The following cases are checked:
+        # 1) A word longer than 1 letter, ending with a final letter. This is
+        #    an indication that the text is laid out "naturally" since the
+        #    final letter really appears at the end. +1 for logical score.
+        # 2) A word longer than 1 letter, ending with a Non-Final letter. In
+        #    normal Hebrew, words ending with Kaf, Mem, Nun, Pe or Tsadi,
+        #    should not end with the Non-Final form of that letter. Exceptions
+        #    to this rule are mentioned above in isNonFinal(). This is an
+        #    indication that the text is laid out backwards. +1 for visual
+        #    score
+        # 3) A word longer than 1 letter, starting with a final letter. Final
+        #    letters should not appear at the beginning of a word. This is an
+        #    indication that the text is laid out backwards. +1 for visual
+        #    score.
+        #
+        # The visual score and logical score are accumulated throughout the
+        # text and are finally checked against each other in GetCharSetName().
+        # No checking for final letters in the middle of words is done since
+        # that case is not an indication for either Logical or Visual text.
+        #
+        # We automatically filter out all 7-bit characters (replace them with
+        # spaces) so the word boundary detection works properly. [MAP]
+
+        if self.state == ProbingState.NOT_ME:
+            # Both model probers say it's not them. No reason to continue.
+            return ProbingState.NOT_ME
+
+        byte_str = self.filter_high_byte_only(byte_str)
+
+        for cur in byte_str:
+            if cur == self.SPACE:
+                # We stand on a space - a word just ended
+                if self._before_prev != self.SPACE:
+                    # next-to-last char was not a space so self._prev is not a
+                    # 1 letter word
+                    if self.is_final(self._prev):
+                        # case (1) [-2:not space][-1:final letter][cur:space]
+                        self._final_char_logical_score += 1
+                    elif self.is_non_final(self._prev):
+                        # case (2) [-2:not space][-1:Non-Final letter][
+                        #  cur:space]
+                        self._final_char_visual_score += 1
+            else:
+                # Not standing on a space
+                if (
+                    (self._before_prev == self.SPACE)
+                    and (self.is_final(self._prev))
+                    and (cur != self.SPACE)
+                ):
+                    # case (3) [-2:space][-1:final letter][cur:not space]
+                    self._final_char_visual_score += 1
+            self._before_prev = self._prev
+            self._prev = cur
+
+        # Forever detecting, till the end or until both model probers return
+        # ProbingState.NOT_ME (handled above)
+        return ProbingState.DETECTING
+
+    @property
+    def charset_name(self) -> str:
+        assert self._logical_prober is not None
+        assert self._visual_prober is not None
+
+        # Make the decision: is it Logical or Visual?
+        # If the final letter score distance is dominant enough, rely on it.
+        finalsub = self._final_char_logical_score - self._final_char_visual_score
+        if finalsub >= self.MIN_FINAL_CHAR_DISTANCE:
+            return self.LOGICAL_HEBREW_NAME
+        if finalsub <= -self.MIN_FINAL_CHAR_DISTANCE:
+            return self.VISUAL_HEBREW_NAME
+
+        # It's not dominant enough, try to rely on the model scores instead.
+        modelsub = (
+            self._logical_prober.get_confidence() - self._visual_prober.get_confidence()
+        )
+        if modelsub > self.MIN_MODEL_DISTANCE:
+            return self.LOGICAL_HEBREW_NAME
+        if modelsub < -self.MIN_MODEL_DISTANCE:
+            return self.VISUAL_HEBREW_NAME
+
+        # Still no good, back to final letter distance, maybe it'll save the
+        # day.
+        if finalsub < 0.0:
+            return self.VISUAL_HEBREW_NAME
+
+        # (finalsub > 0 - Logical) or (don't know what to do) default to
+        # Logical.
+        return self.LOGICAL_HEBREW_NAME
+
+    @property
+    def language(self) -> str:
+        return "Hebrew"
+
+    @property
+    def state(self) -> ProbingState:
+        assert self._logical_prober is not None
+        assert self._visual_prober is not None
+
+        # Remain active as long as any of the model probers are active.
+        if (self._logical_prober.state == ProbingState.NOT_ME) and (
+            self._visual_prober.state == ProbingState.NOT_ME
+        ):
+            return ProbingState.NOT_ME
+        return ProbingState.DETECTING
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/jisfreq.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/jisfreq.py
new file mode 100644
index 00000000..3293576e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/jisfreq.py
@@ -0,0 +1,325 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+# Sampling from about 20M text materials include literature and computer technology
+#
+# Japanese frequency table, applied to both S-JIS and EUC-JP
+# They are sorted in order.
+
+# 128  --> 0.77094
+# 256  --> 0.85710
+# 512  --> 0.92635
+# 1024 --> 0.97130
+# 2048 --> 0.99431
+#
+# Ideal Distribution Ratio = 0.92635 / (1-0.92635) = 12.58
+# Random Distribution Ration = 512 / (2965+62+83+86-512) = 0.191
+#
+# Typical Distribution Ratio, 25% of IDR
+
+JIS_TYPICAL_DISTRIBUTION_RATIO = 3.0
+
+# Char to FreqOrder table ,
+JIS_TABLE_SIZE = 4368
+
+# fmt: off
+JIS_CHAR_TO_FREQ_ORDER = (
+  40,   1,   6, 182, 152, 180, 295,2127, 285, 381,3295,4304,3068,4606,3165,3510, #   16
+3511,1822,2785,4607,1193,2226,5070,4608, 171,2996,1247,  18, 179,5071, 856,1661, #   32
+1262,5072, 619, 127,3431,3512,3230,1899,1700, 232, 228,1294,1298, 284, 283,2041, #   48
+2042,1061,1062,  48,  49,  44,  45, 433, 434,1040,1041, 996, 787,2997,1255,4305, #   64
+2108,4609,1684,1648,5073,5074,5075,5076,5077,5078,3687,5079,4610,5080,3927,3928, #   80
+5081,3296,3432, 290,2285,1471,2187,5082,2580,2825,1303,2140,1739,1445,2691,3375, #   96
+1691,3297,4306,4307,4611, 452,3376,1182,2713,3688,3069,4308,5083,5084,5085,5086, #  112
+5087,5088,5089,5090,5091,5092,5093,5094,5095,5096,5097,5098,5099,5100,5101,5102, #  128
+5103,5104,5105,5106,5107,5108,5109,5110,5111,5112,4097,5113,5114,5115,5116,5117, #  144
+5118,5119,5120,5121,5122,5123,5124,5125,5126,5127,5128,5129,5130,5131,5132,5133, #  160
+5134,5135,5136,5137,5138,5139,5140,5141,5142,5143,5144,5145,5146,5147,5148,5149, #  176
+5150,5151,5152,4612,5153,5154,5155,5156,5157,5158,5159,5160,5161,5162,5163,5164, #  192
+5165,5166,5167,5168,5169,5170,5171,5172,5173,5174,5175,1472, 598, 618, 820,1205, #  208
+1309,1412,1858,1307,1692,5176,5177,5178,5179,5180,5181,5182,1142,1452,1234,1172, #  224
+1875,2043,2149,1793,1382,2973, 925,2404,1067,1241, 960,1377,2935,1491, 919,1217, #  240
+1865,2030,1406,1499,2749,4098,5183,5184,5185,5186,5187,5188,2561,4099,3117,1804, #  256
+2049,3689,4309,3513,1663,5189,3166,3118,3298,1587,1561,3433,5190,3119,1625,2998, #  272
+3299,4613,1766,3690,2786,4614,5191,5192,5193,5194,2161,  26,3377,   2,3929,  20, #  288
+3691,  47,4100,  50,  17,  16,  35, 268,  27, 243,  42, 155,  24, 154,  29, 184, #  304
+   4,  91,  14,  92,  53, 396,  33, 289,   9,  37,  64, 620,  21,  39, 321,   5, #  320
+  12,  11,  52,  13,   3, 208, 138,   0,   7,  60, 526, 141, 151,1069, 181, 275, #  336
+1591,  83, 132,1475, 126, 331, 829,  15,  69, 160,  59,  22, 157,  55,1079, 312, #  352
+ 109,  38,  23,  25,  10,  19,  79,5195,  61, 382,1124,   8,  30,5196,5197,5198, #  368
+5199,5200,5201,5202,5203,5204,5205,5206,  89,  62,  74,  34,2416, 112, 139, 196, #  384
+ 271, 149,  84, 607, 131, 765,  46,  88, 153, 683,  76, 874, 101, 258,  57,  80, #  400
+  32, 364, 121,1508, 169,1547,  68, 235, 145,2999,  41, 360,3027,  70,  63,  31, #  416
+  43, 259, 262,1383,  99, 533, 194,  66,  93, 846, 217, 192,  56, 106,  58, 565, #  432
+ 280, 272, 311, 256, 146,  82, 308,  71, 100, 128, 214, 655, 110, 261, 104,1140, #  448
+  54,  51,  36,  87,  67,3070, 185,2618,2936,2020,  28,1066,2390,2059,5207,5208, #  464
+5209,5210,5211,5212,5213,5214,5215,5216,4615,5217,5218,5219,5220,5221,5222,5223, #  480
+5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,3514,5237,5238, #  496
+5239,5240,5241,5242,5243,5244,2297,2031,4616,4310,3692,5245,3071,5246,3598,5247, #  512
+4617,3231,3515,5248,4101,4311,4618,3808,4312,4102,5249,4103,4104,3599,5250,5251, #  528
+5252,5253,5254,5255,5256,5257,5258,5259,5260,5261,5262,5263,5264,5265,5266,5267, #  544
+5268,5269,5270,5271,5272,5273,5274,5275,5276,5277,5278,5279,5280,5281,5282,5283, #  560
+5284,5285,5286,5287,5288,5289,5290,5291,5292,5293,5294,5295,5296,5297,5298,5299, #  576
+5300,5301,5302,5303,5304,5305,5306,5307,5308,5309,5310,5311,5312,5313,5314,5315, #  592
+5316,5317,5318,5319,5320,5321,5322,5323,5324,5325,5326,5327,5328,5329,5330,5331, #  608
+5332,5333,5334,5335,5336,5337,5338,5339,5340,5341,5342,5343,5344,5345,5346,5347, #  624
+5348,5349,5350,5351,5352,5353,5354,5355,5356,5357,5358,5359,5360,5361,5362,5363, #  640
+5364,5365,5366,5367,5368,5369,5370,5371,5372,5373,5374,5375,5376,5377,5378,5379, #  656
+5380,5381, 363, 642,2787,2878,2788,2789,2316,3232,2317,3434,2011, 165,1942,3930, #  672
+3931,3932,3933,5382,4619,5383,4620,5384,5385,5386,5387,5388,5389,5390,5391,5392, #  688
+5393,5394,5395,5396,5397,5398,5399,5400,5401,5402,5403,5404,5405,5406,5407,5408, #  704
+5409,5410,5411,5412,5413,5414,5415,5416,5417,5418,5419,5420,5421,5422,5423,5424, #  720
+5425,5426,5427,5428,5429,5430,5431,5432,5433,5434,5435,5436,5437,5438,5439,5440, #  736
+5441,5442,5443,5444,5445,5446,5447,5448,5449,5450,5451,5452,5453,5454,5455,5456, #  752
+5457,5458,5459,5460,5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472, #  768
+5473,5474,5475,5476,5477,5478,5479,5480,5481,5482,5483,5484,5485,5486,5487,5488, #  784
+5489,5490,5491,5492,5493,5494,5495,5496,5497,5498,5499,5500,5501,5502,5503,5504, #  800
+5505,5506,5507,5508,5509,5510,5511,5512,5513,5514,5515,5516,5517,5518,5519,5520, #  816
+5521,5522,5523,5524,5525,5526,5527,5528,5529,5530,5531,5532,5533,5534,5535,5536, #  832
+5537,5538,5539,5540,5541,5542,5543,5544,5545,5546,5547,5548,5549,5550,5551,5552, #  848
+5553,5554,5555,5556,5557,5558,5559,5560,5561,5562,5563,5564,5565,5566,5567,5568, #  864
+5569,5570,5571,5572,5573,5574,5575,5576,5577,5578,5579,5580,5581,5582,5583,5584, #  880
+5585,5586,5587,5588,5589,5590,5591,5592,5593,5594,5595,5596,5597,5598,5599,5600, #  896
+5601,5602,5603,5604,5605,5606,5607,5608,5609,5610,5611,5612,5613,5614,5615,5616, #  912
+5617,5618,5619,5620,5621,5622,5623,5624,5625,5626,5627,5628,5629,5630,5631,5632, #  928
+5633,5634,5635,5636,5637,5638,5639,5640,5641,5642,5643,5644,5645,5646,5647,5648, #  944
+5649,5650,5651,5652,5653,5654,5655,5656,5657,5658,5659,5660,5661,5662,5663,5664, #  960
+5665,5666,5667,5668,5669,5670,5671,5672,5673,5674,5675,5676,5677,5678,5679,5680, #  976
+5681,5682,5683,5684,5685,5686,5687,5688,5689,5690,5691,5692,5693,5694,5695,5696, #  992
+5697,5698,5699,5700,5701,5702,5703,5704,5705,5706,5707,5708,5709,5710,5711,5712, # 1008
+5713,5714,5715,5716,5717,5718,5719,5720,5721,5722,5723,5724,5725,5726,5727,5728, # 1024
+5729,5730,5731,5732,5733,5734,5735,5736,5737,5738,5739,5740,5741,5742,5743,5744, # 1040
+5745,5746,5747,5748,5749,5750,5751,5752,5753,5754,5755,5756,5757,5758,5759,5760, # 1056
+5761,5762,5763,5764,5765,5766,5767,5768,5769,5770,5771,5772,5773,5774,5775,5776, # 1072
+5777,5778,5779,5780,5781,5782,5783,5784,5785,5786,5787,5788,5789,5790,5791,5792, # 1088
+5793,5794,5795,5796,5797,5798,5799,5800,5801,5802,5803,5804,5805,5806,5807,5808, # 1104
+5809,5810,5811,5812,5813,5814,5815,5816,5817,5818,5819,5820,5821,5822,5823,5824, # 1120
+5825,5826,5827,5828,5829,5830,5831,5832,5833,5834,5835,5836,5837,5838,5839,5840, # 1136
+5841,5842,5843,5844,5845,5846,5847,5848,5849,5850,5851,5852,5853,5854,5855,5856, # 1152
+5857,5858,5859,5860,5861,5862,5863,5864,5865,5866,5867,5868,5869,5870,5871,5872, # 1168
+5873,5874,5875,5876,5877,5878,5879,5880,5881,5882,5883,5884,5885,5886,5887,5888, # 1184
+5889,5890,5891,5892,5893,5894,5895,5896,5897,5898,5899,5900,5901,5902,5903,5904, # 1200
+5905,5906,5907,5908,5909,5910,5911,5912,5913,5914,5915,5916,5917,5918,5919,5920, # 1216
+5921,5922,5923,5924,5925,5926,5927,5928,5929,5930,5931,5932,5933,5934,5935,5936, # 1232
+5937,5938,5939,5940,5941,5942,5943,5944,5945,5946,5947,5948,5949,5950,5951,5952, # 1248
+5953,5954,5955,5956,5957,5958,5959,5960,5961,5962,5963,5964,5965,5966,5967,5968, # 1264
+5969,5970,5971,5972,5973,5974,5975,5976,5977,5978,5979,5980,5981,5982,5983,5984, # 1280
+5985,5986,5987,5988,5989,5990,5991,5992,5993,5994,5995,5996,5997,5998,5999,6000, # 1296
+6001,6002,6003,6004,6005,6006,6007,6008,6009,6010,6011,6012,6013,6014,6015,6016, # 1312
+6017,6018,6019,6020,6021,6022,6023,6024,6025,6026,6027,6028,6029,6030,6031,6032, # 1328
+6033,6034,6035,6036,6037,6038,6039,6040,6041,6042,6043,6044,6045,6046,6047,6048, # 1344
+6049,6050,6051,6052,6053,6054,6055,6056,6057,6058,6059,6060,6061,6062,6063,6064, # 1360
+6065,6066,6067,6068,6069,6070,6071,6072,6073,6074,6075,6076,6077,6078,6079,6080, # 1376
+6081,6082,6083,6084,6085,6086,6087,6088,6089,6090,6091,6092,6093,6094,6095,6096, # 1392
+6097,6098,6099,6100,6101,6102,6103,6104,6105,6106,6107,6108,6109,6110,6111,6112, # 1408
+6113,6114,2044,2060,4621, 997,1235, 473,1186,4622, 920,3378,6115,6116, 379,1108, # 1424
+4313,2657,2735,3934,6117,3809, 636,3233, 573,1026,3693,3435,2974,3300,2298,4105, # 1440
+ 854,2937,2463, 393,2581,2417, 539, 752,1280,2750,2480, 140,1161, 440, 708,1569, # 1456
+ 665,2497,1746,1291,1523,3000, 164,1603, 847,1331, 537,1997, 486, 508,1693,2418, # 1472
+1970,2227, 878,1220, 299,1030, 969, 652,2751, 624,1137,3301,2619,  65,3302,2045, # 1488
+1761,1859,3120,1930,3694,3516, 663,1767, 852, 835,3695, 269, 767,2826,2339,1305, # 1504
+ 896,1150, 770,1616,6118, 506,1502,2075,1012,2519, 775,2520,2975,2340,2938,4314, # 1520
+3028,2086,1224,1943,2286,6119,3072,4315,2240,1273,1987,3935,1557, 175, 597, 985, # 1536
+3517,2419,2521,1416,3029, 585, 938,1931,1007,1052,1932,1685,6120,3379,4316,4623, # 1552
+ 804, 599,3121,1333,2128,2539,1159,1554,2032,3810, 687,2033,2904, 952, 675,1467, # 1568
+3436,6121,2241,1096,1786,2440,1543,1924, 980,1813,2228, 781,2692,1879, 728,1918, # 1584
+3696,4624, 548,1950,4625,1809,1088,1356,3303,2522,1944, 502, 972, 373, 513,2827, # 1600
+ 586,2377,2391,1003,1976,1631,6122,2464,1084, 648,1776,4626,2141, 324, 962,2012, # 1616
+2177,2076,1384, 742,2178,1448,1173,1810, 222, 102, 301, 445, 125,2420, 662,2498, # 1632
+ 277, 200,1476,1165,1068, 224,2562,1378,1446, 450,1880, 659, 791, 582,4627,2939, # 1648
+3936,1516,1274, 555,2099,3697,1020,1389,1526,3380,1762,1723,1787,2229, 412,2114, # 1664
+1900,2392,3518, 512,2597, 427,1925,2341,3122,1653,1686,2465,2499, 697, 330, 273, # 1680
+ 380,2162, 951, 832, 780, 991,1301,3073, 965,2270,3519, 668,2523,2636,1286, 535, # 1696
+1407, 518, 671, 957,2658,2378, 267, 611,2197,3030,6123, 248,2299, 967,1799,2356, # 1712
+ 850,1418,3437,1876,1256,1480,2828,1718,6124,6125,1755,1664,2405,6126,4628,2879, # 1728
+2829, 499,2179, 676,4629, 557,2329,2214,2090, 325,3234, 464, 811,3001, 992,2342, # 1744
+2481,1232,1469, 303,2242, 466,1070,2163, 603,1777,2091,4630,2752,4631,2714, 322, # 1760
+2659,1964,1768, 481,2188,1463,2330,2857,3600,2092,3031,2421,4632,2318,2070,1849, # 1776
+2598,4633,1302,2254,1668,1701,2422,3811,2905,3032,3123,2046,4106,1763,1694,4634, # 1792
+1604, 943,1724,1454, 917, 868,2215,1169,2940, 552,1145,1800,1228,1823,1955, 316, # 1808
+1080,2510, 361,1807,2830,4107,2660,3381,1346,1423,1134,4108,6127, 541,1263,1229, # 1824
+1148,2540, 545, 465,1833,2880,3438,1901,3074,2482, 816,3937, 713,1788,2500, 122, # 1840
+1575, 195,1451,2501,1111,6128, 859, 374,1225,2243,2483,4317, 390,1033,3439,3075, # 1856
+2524,1687, 266, 793,1440,2599, 946, 779, 802, 507, 897,1081, 528,2189,1292, 711, # 1872
+1866,1725,1167,1640, 753, 398,2661,1053, 246, 348,4318, 137,1024,3440,1600,2077, # 1888
+2129, 825,4319, 698, 238, 521, 187,2300,1157,2423,1641,1605,1464,1610,1097,2541, # 1904
+1260,1436, 759,2255,1814,2150, 705,3235, 409,2563,3304, 561,3033,2005,2564, 726, # 1920
+1956,2343,3698,4109, 949,3812,3813,3520,1669, 653,1379,2525, 881,2198, 632,2256, # 1936
+1027, 778,1074, 733,1957, 514,1481,2466, 554,2180, 702,3938,1606,1017,1398,6129, # 1952
+1380,3521, 921, 993,1313, 594, 449,1489,1617,1166, 768,1426,1360, 495,1794,3601, # 1968
+1177,3602,1170,4320,2344, 476, 425,3167,4635,3168,1424, 401,2662,1171,3382,1998, # 1984
+1089,4110, 477,3169, 474,6130,1909, 596,2831,1842, 494, 693,1051,1028,1207,3076, # 2000
+ 606,2115, 727,2790,1473,1115, 743,3522, 630, 805,1532,4321,2021, 366,1057, 838, # 2016
+ 684,1114,2142,4322,2050,1492,1892,1808,2271,3814,2424,1971,1447,1373,3305,1090, # 2032
+1536,3939,3523,3306,1455,2199, 336, 369,2331,1035, 584,2393, 902, 718,2600,6131, # 2048
+2753, 463,2151,1149,1611,2467, 715,1308,3124,1268, 343,1413,3236,1517,1347,2663, # 2064
+2093,3940,2022,1131,1553,2100,2941,1427,3441,2942,1323,2484,6132,1980, 872,2368, # 2080
+2441,2943, 320,2369,2116,1082, 679,1933,3941,2791,3815, 625,1143,2023, 422,2200, # 2096
+3816,6133, 730,1695, 356,2257,1626,2301,2858,2637,1627,1778, 937, 883,2906,2693, # 2112
+3002,1769,1086, 400,1063,1325,3307,2792,4111,3077, 456,2345,1046, 747,6134,1524, # 2128
+ 884,1094,3383,1474,2164,1059, 974,1688,2181,2258,1047, 345,1665,1187, 358, 875, # 2144
+3170, 305, 660,3524,2190,1334,1135,3171,1540,1649,2542,1527, 927, 968,2793, 885, # 2160
+1972,1850, 482, 500,2638,1218,1109,1085,2543,1654,2034, 876,  78,2287,1482,1277, # 2176
+ 861,1675,1083,1779, 724,2754, 454, 397,1132,1612,2332, 893, 672,1237, 257,2259, # 2192
+2370, 135,3384, 337,2244, 547, 352, 340, 709,2485,1400, 788,1138,2511, 540, 772, # 2208
+1682,2260,2272,2544,2013,1843,1902,4636,1999,1562,2288,4637,2201,1403,1533, 407, # 2224
+ 576,3308,1254,2071, 978,3385, 170, 136,1201,3125,2664,3172,2394, 213, 912, 873, # 2240
+3603,1713,2202, 699,3604,3699, 813,3442, 493, 531,1054, 468,2907,1483, 304, 281, # 2256
+4112,1726,1252,2094, 339,2319,2130,2639, 756,1563,2944, 748, 571,2976,1588,2425, # 2272
+2715,1851,1460,2426,1528,1392,1973,3237, 288,3309, 685,3386, 296, 892,2716,2216, # 2288
+1570,2245, 722,1747,2217, 905,3238,1103,6135,1893,1441,1965, 251,1805,2371,3700, # 2304
+2601,1919,1078,  75,2182,1509,1592,1270,2640,4638,2152,6136,3310,3817, 524, 706, # 2320
+1075, 292,3818,1756,2602, 317,  98,3173,3605,3525,1844,2218,3819,2502, 814, 567, # 2336
+ 385,2908,1534,6137, 534,1642,3239, 797,6138,1670,1529, 953,4323, 188,1071, 538, # 2352
+ 178, 729,3240,2109,1226,1374,2000,2357,2977, 731,2468,1116,2014,2051,6139,1261, # 2368
+1593, 803,2859,2736,3443, 556, 682, 823,1541,6140,1369,2289,1706,2794, 845, 462, # 2384
+2603,2665,1361, 387, 162,2358,1740, 739,1770,1720,1304,1401,3241,1049, 627,1571, # 2400
+2427,3526,1877,3942,1852,1500, 431,1910,1503, 677, 297,2795, 286,1433,1038,1198, # 2416
+2290,1133,1596,4113,4639,2469,1510,1484,3943,6141,2442, 108, 712,4640,2372, 866, # 2432
+3701,2755,3242,1348, 834,1945,1408,3527,2395,3243,1811, 824, 994,1179,2110,1548, # 2448
+1453, 790,3003, 690,4324,4325,2832,2909,3820,1860,3821, 225,1748, 310, 346,1780, # 2464
+2470, 821,1993,2717,2796, 828, 877,3528,2860,2471,1702,2165,2910,2486,1789, 453, # 2480
+ 359,2291,1676,  73,1164,1461,1127,3311, 421, 604, 314,1037, 589, 116,2487, 737, # 2496
+ 837,1180, 111, 244, 735,6142,2261,1861,1362, 986, 523, 418, 581,2666,3822, 103, # 2512
+ 855, 503,1414,1867,2488,1091, 657,1597, 979, 605,1316,4641,1021,2443,2078,2001, # 2528
+1209,  96, 587,2166,1032, 260,1072,2153, 173,  94, 226,3244, 819,2006,4642,4114, # 2544
+2203, 231,1744, 782,  97,2667, 786,3387, 887, 391, 442,2219,4326,1425,6143,2694, # 2560
+ 633,1544,1202, 483,2015, 592,2052,1958,2472,1655, 419, 129,4327,3444,3312,1714, # 2576
+1257,3078,4328,1518,1098, 865,1310,1019,1885,1512,1734, 469,2444, 148, 773, 436, # 2592
+1815,1868,1128,1055,4329,1245,2756,3445,2154,1934,1039,4643, 579,1238, 932,2320, # 2608
+ 353, 205, 801, 115,2428, 944,2321,1881, 399,2565,1211, 678, 766,3944, 335,2101, # 2624
+1459,1781,1402,3945,2737,2131,1010, 844, 981,1326,1013, 550,1816,1545,2620,1335, # 2640
+1008, 371,2881, 936,1419,1613,3529,1456,1395,2273,1834,2604,1317,2738,2503, 416, # 2656
+1643,4330, 806,1126, 229, 591,3946,1314,1981,1576,1837,1666, 347,1790, 977,3313, # 2672
+ 764,2861,1853, 688,2429,1920,1462,  77, 595, 415,2002,3034, 798,1192,4115,6144, # 2688
+2978,4331,3035,2695,2582,2072,2566, 430,2430,1727, 842,1396,3947,3702, 613, 377, # 2704
+ 278, 236,1417,3388,3314,3174, 757,1869, 107,3530,6145,1194, 623,2262, 207,1253, # 2720
+2167,3446,3948, 492,1117,1935, 536,1838,2757,1246,4332, 696,2095,2406,1393,1572, # 2736
+3175,1782, 583, 190, 253,1390,2230, 830,3126,3389, 934,3245,1703,1749,2979,1870, # 2752
+2545,1656,2204, 869,2346,4116,3176,1817, 496,1764,4644, 942,1504, 404,1903,1122, # 2768
+1580,3606,2945,1022, 515, 372,1735, 955,2431,3036,6146,2797,1110,2302,2798, 617, # 2784
+6147, 441, 762,1771,3447,3607,3608,1904, 840,3037,  86, 939,1385, 572,1370,2445, # 2800
+1336, 114,3703, 898, 294, 203,3315, 703,1583,2274, 429, 961,4333,1854,1951,3390, # 2816
+2373,3704,4334,1318,1381, 966,1911,2322,1006,1155, 309, 989, 458,2718,1795,1372, # 2832
+1203, 252,1689,1363,3177, 517,1936, 168,1490, 562, 193,3823,1042,4117,1835, 551, # 2848
+ 470,4645, 395, 489,3448,1871,1465,2583,2641, 417,1493, 279,1295, 511,1236,1119, # 2864
+  72,1231,1982,1812,3004, 871,1564, 984,3449,1667,2696,2096,4646,2347,2833,1673, # 2880
+3609, 695,3246,2668, 807,1183,4647, 890, 388,2333,1801,1457,2911,1765,1477,1031, # 2896
+3316,3317,1278,3391,2799,2292,2526, 163,3450,4335,2669,1404,1802,6148,2323,2407, # 2912
+1584,1728,1494,1824,1269, 298, 909,3318,1034,1632, 375, 776,1683,2061, 291, 210, # 2928
+1123, 809,1249,1002,2642,3038, 206,1011,2132, 144, 975, 882,1565, 342, 667, 754, # 2944
+1442,2143,1299,2303,2062, 447, 626,2205,1221,2739,2912,1144,1214,2206,2584, 760, # 2960
+1715, 614, 950,1281,2670,2621, 810, 577,1287,2546,4648, 242,2168, 250,2643, 691, # 2976
+ 123,2644, 647, 313,1029, 689,1357,2946,1650, 216, 771,1339,1306, 808,2063, 549, # 2992
+ 913,1371,2913,2914,6149,1466,1092,1174,1196,1311,2605,2396,1783,1796,3079, 406, # 3008
+2671,2117,3949,4649, 487,1825,2220,6150,2915, 448,2348,1073,6151,2397,1707, 130, # 3024
+ 900,1598, 329, 176,1959,2527,1620,6152,2275,4336,3319,1983,2191,3705,3610,2155, # 3040
+3706,1912,1513,1614,6153,1988, 646, 392,2304,1589,3320,3039,1826,1239,1352,1340, # 3056
+2916, 505,2567,1709,1437,2408,2547, 906,6154,2672, 384,1458,1594,1100,1329, 710, # 3072
+ 423,3531,2064,2231,2622,1989,2673,1087,1882, 333, 841,3005,1296,2882,2379, 580, # 3088
+1937,1827,1293,2585, 601, 574, 249,1772,4118,2079,1120, 645, 901,1176,1690, 795, # 3104
+2207, 478,1434, 516,1190,1530, 761,2080, 930,1264, 355, 435,1552, 644,1791, 987, # 3120
+ 220,1364,1163,1121,1538, 306,2169,1327,1222, 546,2645, 218, 241, 610,1704,3321, # 3136
+1984,1839,1966,2528, 451,6155,2586,3707,2568, 907,3178, 254,2947, 186,1845,4650, # 3152
+ 745, 432,1757, 428,1633, 888,2246,2221,2489,3611,2118,1258,1265, 956,3127,1784, # 3168
+4337,2490, 319, 510, 119, 457,3612, 274,2035,2007,4651,1409,3128, 970,2758, 590, # 3184
+2800, 661,2247,4652,2008,3950,1420,1549,3080,3322,3951,1651,1375,2111, 485,2491, # 3200
+1429,1156,6156,2548,2183,1495, 831,1840,2529,2446, 501,1657, 307,1894,3247,1341, # 3216
+ 666, 899,2156,1539,2549,1559, 886, 349,2208,3081,2305,1736,3824,2170,2759,1014, # 3232
+1913,1386, 542,1397,2948, 490, 368, 716, 362, 159, 282,2569,1129,1658,1288,1750, # 3248
+2674, 276, 649,2016, 751,1496, 658,1818,1284,1862,2209,2087,2512,3451, 622,2834, # 3264
+ 376, 117,1060,2053,1208,1721,1101,1443, 247,1250,3179,1792,3952,2760,2398,3953, # 3280
+6157,2144,3708, 446,2432,1151,2570,3452,2447,2761,2835,1210,2448,3082, 424,2222, # 3296
+1251,2449,2119,2836, 504,1581,4338, 602, 817, 857,3825,2349,2306, 357,3826,1470, # 3312
+1883,2883, 255, 958, 929,2917,3248, 302,4653,1050,1271,1751,2307,1952,1430,2697, # 3328
+2719,2359, 354,3180, 777, 158,2036,4339,1659,4340,4654,2308,2949,2248,1146,2232, # 3344
+3532,2720,1696,2623,3827,6158,3129,1550,2698,1485,1297,1428, 637, 931,2721,2145, # 3360
+ 914,2550,2587,  81,2450, 612, 827,2646,1242,4655,1118,2884, 472,1855,3181,3533, # 3376
+3534, 569,1353,2699,1244,1758,2588,4119,2009,2762,2171,3709,1312,1531,6159,1152, # 3392
+1938, 134,1830, 471,3710,2276,1112,1535,3323,3453,3535, 982,1337,2950, 488, 826, # 3408
+ 674,1058,1628,4120,2017, 522,2399, 211, 568,1367,3454, 350, 293,1872,1139,3249, # 3424
+1399,1946,3006,1300,2360,3324, 588, 736,6160,2606, 744, 669,3536,3828,6161,1358, # 3440
+ 199, 723, 848, 933, 851,1939,1505,1514,1338,1618,1831,4656,1634,3613, 443,2740, # 3456
+3829, 717,1947, 491,1914,6162,2551,1542,4121,1025,6163,1099,1223, 198,3040,2722, # 3472
+ 370, 410,1905,2589, 998,1248,3182,2380, 519,1449,4122,1710, 947, 928,1153,4341, # 3488
+2277, 344,2624,1511, 615, 105, 161,1212,1076,1960,3130,2054,1926,1175,1906,2473, # 3504
+ 414,1873,2801,6164,2309, 315,1319,3325, 318,2018,2146,2157, 963, 631, 223,4342, # 3520
+4343,2675, 479,3711,1197,2625,3712,2676,2361,6165,4344,4123,6166,2451,3183,1886, # 3536
+2184,1674,1330,1711,1635,1506, 799, 219,3250,3083,3954,1677,3713,3326,2081,3614, # 3552
+1652,2073,4657,1147,3041,1752, 643,1961, 147,1974,3955,6167,1716,2037, 918,3007, # 3568
+1994, 120,1537, 118, 609,3184,4345, 740,3455,1219, 332,1615,3830,6168,1621,2980, # 3584
+1582, 783, 212, 553,2350,3714,1349,2433,2082,4124, 889,6169,2310,1275,1410, 973, # 3600
+ 166,1320,3456,1797,1215,3185,2885,1846,2590,2763,4658, 629, 822,3008, 763, 940, # 3616
+1990,2862, 439,2409,1566,1240,1622, 926,1282,1907,2764, 654,2210,1607, 327,1130, # 3632
+3956,1678,1623,6170,2434,2192, 686, 608,3831,3715, 903,3957,3042,6171,2741,1522, # 3648
+1915,1105,1555,2552,1359, 323,3251,4346,3457, 738,1354,2553,2311,2334,1828,2003, # 3664
+3832,1753,2351,1227,6172,1887,4125,1478,6173,2410,1874,1712,1847, 520,1204,2607, # 3680
+ 264,4659, 836,2677,2102, 600,4660,3833,2278,3084,6174,4347,3615,1342, 640, 532, # 3696
+ 543,2608,1888,2400,2591,1009,4348,1497, 341,1737,3616,2723,1394, 529,3252,1321, # 3712
+ 983,4661,1515,2120, 971,2592, 924, 287,1662,3186,4349,2700,4350,1519, 908,1948, # 3728
+2452, 156, 796,1629,1486,2223,2055, 694,4126,1259,1036,3392,1213,2249,2742,1889, # 3744
+1230,3958,1015, 910, 408, 559,3617,4662, 746, 725, 935,4663,3959,3009,1289, 563, # 3760
+ 867,4664,3960,1567,2981,2038,2626, 988,2263,2381,4351, 143,2374, 704,1895,6175, # 3776
+1188,3716,2088, 673,3085,2362,4352, 484,1608,1921,2765,2918, 215, 904,3618,3537, # 3792
+ 894, 509, 976,3043,2701,3961,4353,2837,2982, 498,6176,6177,1102,3538,1332,3393, # 3808
+1487,1636,1637, 233, 245,3962, 383, 650, 995,3044, 460,1520,1206,2352, 749,3327, # 3824
+ 530, 700, 389,1438,1560,1773,3963,2264, 719,2951,2724,3834, 870,1832,1644,1000, # 3840
+ 839,2474,3717, 197,1630,3394, 365,2886,3964,1285,2133, 734, 922, 818,1106, 732, # 3856
+ 480,2083,1774,3458, 923,2279,1350, 221,3086,  85,2233,2234,3835,1585,3010,2147, # 3872
+1387,1705,2382,1619,2475, 133, 239,2802,1991,1016,2084,2383, 411,2838,1113, 651, # 3888
+1985,1160,3328, 990,1863,3087,1048,1276,2647, 265,2627,1599,3253,2056, 150, 638, # 3904
+2019, 656, 853, 326,1479, 680,1439,4354,1001,1759, 413,3459,3395,2492,1431, 459, # 3920
+4355,1125,3329,2265,1953,1450,2065,2863, 849, 351,2678,3131,3254,3255,1104,1577, # 3936
+ 227,1351,1645,2453,2193,1421,2887, 812,2121, 634,  95,2435, 201,2312,4665,1646, # 3952
+1671,2743,1601,2554,2702,2648,2280,1315,1366,2089,3132,1573,3718,3965,1729,1189, # 3968
+ 328,2679,1077,1940,1136, 558,1283, 964,1195, 621,2074,1199,1743,3460,3619,1896, # 3984
+1916,1890,3836,2952,1154,2112,1064, 862, 378,3011,2066,2113,2803,1568,2839,6178, # 4000
+3088,2919,1941,1660,2004,1992,2194, 142, 707,1590,1708,1624,1922,1023,1836,1233, # 4016
+1004,2313, 789, 741,3620,6179,1609,2411,1200,4127,3719,3720,4666,2057,3721, 593, # 4032
+2840, 367,2920,1878,6180,3461,1521, 628,1168, 692,2211,2649, 300, 720,2067,2571, # 4048
+2953,3396, 959,2504,3966,3539,3462,1977, 701,6181, 954,1043, 800, 681, 183,3722, # 4064
+1803,1730,3540,4128,2103, 815,2314, 174, 467, 230,2454,1093,2134, 755,3541,3397, # 4080
+1141,1162,6182,1738,2039, 270,3256,2513,1005,1647,2185,3837, 858,1679,1897,1719, # 4096
+2954,2324,1806, 402, 670, 167,4129,1498,2158,2104, 750,6183, 915, 189,1680,1551, # 4112
+ 455,4356,1501,2455, 405,1095,2955, 338,1586,1266,1819, 570, 641,1324, 237,1556, # 4128
+2650,1388,3723,6184,1368,2384,1343,1978,3089,2436, 879,3724, 792,1191, 758,3012, # 4144
+1411,2135,1322,4357, 240,4667,1848,3725,1574,6185, 420,3045,1546,1391, 714,4358, # 4160
+1967, 941,1864, 863, 664, 426, 560,1731,2680,1785,2864,1949,2363, 403,3330,1415, # 4176
+1279,2136,1697,2335, 204, 721,2097,3838,  90,6186,2085,2505, 191,3967, 124,2148, # 4192
+1376,1798,1178,1107,1898,1405, 860,4359,1243,1272,2375,2983,1558,2456,1638, 113, # 4208
+3621, 578,1923,2609, 880, 386,4130, 784,2186,2266,1422,2956,2172,1722, 497, 263, # 4224
+2514,1267,2412,2610, 177,2703,3542, 774,1927,1344, 616,1432,1595,1018, 172,4360, # 4240
+2325, 911,4361, 438,1468,3622, 794,3968,2024,2173,1681,1829,2957, 945, 895,3090, # 4256
+ 575,2212,2476, 475,2401,2681, 785,2744,1745,2293,2555,1975,3133,2865, 394,4668, # 4272
+3839, 635,4131, 639, 202,1507,2195,2766,1345,1435,2572,3726,1908,1184,1181,2457, # 4288
+3727,3134,4362, 843,2611, 437, 916,4669, 234, 769,1884,3046,3047,3623, 833,6187, # 4304
+1639,2250,2402,1355,1185,2010,2047, 999, 525,1732,1290,1488,2612, 948,1578,3728, # 4320
+2413,2477,1216,2725,2159, 334,3840,1328,3624,2921,1525,4132, 564,1056, 891,4363, # 4336
+1444,1698,2385,2251,3729,1365,2281,2235,1717,6188, 864,3841,2515, 444, 527,2767, # 4352
+2922,3625, 544, 461,6189, 566, 209,2437,3398,2098,1065,2068,3331,3626,3257,2137, # 4368  #last 512
+)
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/johabfreq.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/johabfreq.py
new file mode 100644
index 00000000..c1296999
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/johabfreq.py
@@ -0,0 +1,2382 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+# The frequency data itself is the same as euc-kr.
+# This is just a mapping table to euc-kr.
+
+JOHAB_TO_EUCKR_ORDER_TABLE = {
+    0x8861: 0,
+    0x8862: 1,
+    0x8865: 2,
+    0x8868: 3,
+    0x8869: 4,
+    0x886A: 5,
+    0x886B: 6,
+    0x8871: 7,
+    0x8873: 8,
+    0x8874: 9,
+    0x8875: 10,
+    0x8876: 11,
+    0x8877: 12,
+    0x8878: 13,
+    0x8879: 14,
+    0x887B: 15,
+    0x887C: 16,
+    0x887D: 17,
+    0x8881: 18,
+    0x8882: 19,
+    0x8885: 20,
+    0x8889: 21,
+    0x8891: 22,
+    0x8893: 23,
+    0x8895: 24,
+    0x8896: 25,
+    0x8897: 26,
+    0x88A1: 27,
+    0x88A2: 28,
+    0x88A5: 29,
+    0x88A9: 30,
+    0x88B5: 31,
+    0x88B7: 32,
+    0x88C1: 33,
+    0x88C5: 34,
+    0x88C9: 35,
+    0x88E1: 36,
+    0x88E2: 37,
+    0x88E5: 38,
+    0x88E8: 39,
+    0x88E9: 40,
+    0x88EB: 41,
+    0x88F1: 42,
+    0x88F3: 43,
+    0x88F5: 44,
+    0x88F6: 45,
+    0x88F7: 46,
+    0x88F8: 47,
+    0x88FB: 48,
+    0x88FC: 49,
+    0x88FD: 50,
+    0x8941: 51,
+    0x8945: 52,
+    0x8949: 53,
+    0x8951: 54,
+    0x8953: 55,
+    0x8955: 56,
+    0x8956: 57,
+    0x8957: 58,
+    0x8961: 59,
+    0x8962: 60,
+    0x8963: 61,
+    0x8965: 62,
+    0x8968: 63,
+    0x8969: 64,
+    0x8971: 65,
+    0x8973: 66,
+    0x8975: 67,
+    0x8976: 68,
+    0x8977: 69,
+    0x897B: 70,
+    0x8981: 71,
+    0x8985: 72,
+    0x8989: 73,
+    0x8993: 74,
+    0x8995: 75,
+    0x89A1: 76,
+    0x89A2: 77,
+    0x89A5: 78,
+    0x89A8: 79,
+    0x89A9: 80,
+    0x89AB: 81,
+    0x89AD: 82,
+    0x89B0: 83,
+    0x89B1: 84,
+    0x89B3: 85,
+    0x89B5: 86,
+    0x89B7: 87,
+    0x89B8: 88,
+    0x89C1: 89,
+    0x89C2: 90,
+    0x89C5: 91,
+    0x89C9: 92,
+    0x89CB: 93,
+    0x89D1: 94,
+    0x89D3: 95,
+    0x89D5: 96,
+    0x89D7: 97,
+    0x89E1: 98,
+    0x89E5: 99,
+    0x89E9: 100,
+    0x89F3: 101,
+    0x89F6: 102,
+    0x89F7: 103,
+    0x8A41: 104,
+    0x8A42: 105,
+    0x8A45: 106,
+    0x8A49: 107,
+    0x8A51: 108,
+    0x8A53: 109,
+    0x8A55: 110,
+    0x8A57: 111,
+    0x8A61: 112,
+    0x8A65: 113,
+    0x8A69: 114,
+    0x8A73: 115,
+    0x8A75: 116,
+    0x8A81: 117,
+    0x8A82: 118,
+    0x8A85: 119,
+    0x8A88: 120,
+    0x8A89: 121,
+    0x8A8A: 122,
+    0x8A8B: 123,
+    0x8A90: 124,
+    0x8A91: 125,
+    0x8A93: 126,
+    0x8A95: 127,
+    0x8A97: 128,
+    0x8A98: 129,
+    0x8AA1: 130,
+    0x8AA2: 131,
+    0x8AA5: 132,
+    0x8AA9: 133,
+    0x8AB6: 134,
+    0x8AB7: 135,
+    0x8AC1: 136,
+    0x8AD5: 137,
+    0x8AE1: 138,
+    0x8AE2: 139,
+    0x8AE5: 140,
+    0x8AE9: 141,
+    0x8AF1: 142,
+    0x8AF3: 143,
+    0x8AF5: 144,
+    0x8B41: 145,
+    0x8B45: 146,
+    0x8B49: 147,
+    0x8B61: 148,
+    0x8B62: 149,
+    0x8B65: 150,
+    0x8B68: 151,
+    0x8B69: 152,
+    0x8B6A: 153,
+    0x8B71: 154,
+    0x8B73: 155,
+    0x8B75: 156,
+    0x8B77: 157,
+    0x8B81: 158,
+    0x8BA1: 159,
+    0x8BA2: 160,
+    0x8BA5: 161,
+    0x8BA8: 162,
+    0x8BA9: 163,
+    0x8BAB: 164,
+    0x8BB1: 165,
+    0x8BB3: 166,
+    0x8BB5: 167,
+    0x8BB7: 168,
+    0x8BB8: 169,
+    0x8BBC: 170,
+    0x8C61: 171,
+    0x8C62: 172,
+    0x8C63: 173,
+    0x8C65: 174,
+    0x8C69: 175,
+    0x8C6B: 176,
+    0x8C71: 177,
+    0x8C73: 178,
+    0x8C75: 179,
+    0x8C76: 180,
+    0x8C77: 181,
+    0x8C7B: 182,
+    0x8C81: 183,
+    0x8C82: 184,
+    0x8C85: 185,
+    0x8C89: 186,
+    0x8C91: 187,
+    0x8C93: 188,
+    0x8C95: 189,
+    0x8C96: 190,
+    0x8C97: 191,
+    0x8CA1: 192,
+    0x8CA2: 193,
+    0x8CA9: 194,
+    0x8CE1: 195,
+    0x8CE2: 196,
+    0x8CE3: 197,
+    0x8CE5: 198,
+    0x8CE9: 199,
+    0x8CF1: 200,
+    0x8CF3: 201,
+    0x8CF5: 202,
+    0x8CF6: 203,
+    0x8CF7: 204,
+    0x8D41: 205,
+    0x8D42: 206,
+    0x8D45: 207,
+    0x8D51: 208,
+    0x8D55: 209,
+    0x8D57: 210,
+    0x8D61: 211,
+    0x8D65: 212,
+    0x8D69: 213,
+    0x8D75: 214,
+    0x8D76: 215,
+    0x8D7B: 216,
+    0x8D81: 217,
+    0x8DA1: 218,
+    0x8DA2: 219,
+    0x8DA5: 220,
+    0x8DA7: 221,
+    0x8DA9: 222,
+    0x8DB1: 223,
+    0x8DB3: 224,
+    0x8DB5: 225,
+    0x8DB7: 226,
+    0x8DB8: 227,
+    0x8DB9: 228,
+    0x8DC1: 229,
+    0x8DC2: 230,
+    0x8DC9: 231,
+    0x8DD6: 232,
+    0x8DD7: 233,
+    0x8DE1: 234,
+    0x8DE2: 235,
+    0x8DF7: 236,
+    0x8E41: 237,
+    0x8E45: 238,
+    0x8E49: 239,
+    0x8E51: 240,
+    0x8E53: 241,
+    0x8E57: 242,
+    0x8E61: 243,
+    0x8E81: 244,
+    0x8E82: 245,
+    0x8E85: 246,
+    0x8E89: 247,
+    0x8E90: 248,
+    0x8E91: 249,
+    0x8E93: 250,
+    0x8E95: 251,
+    0x8E97: 252,
+    0x8E98: 253,
+    0x8EA1: 254,
+    0x8EA9: 255,
+    0x8EB6: 256,
+    0x8EB7: 257,
+    0x8EC1: 258,
+    0x8EC2: 259,
+    0x8EC5: 260,
+    0x8EC9: 261,
+    0x8ED1: 262,
+    0x8ED3: 263,
+    0x8ED6: 264,
+    0x8EE1: 265,
+    0x8EE5: 266,
+    0x8EE9: 267,
+    0x8EF1: 268,
+    0x8EF3: 269,
+    0x8F41: 270,
+    0x8F61: 271,
+    0x8F62: 272,
+    0x8F65: 273,
+    0x8F67: 274,
+    0x8F69: 275,
+    0x8F6B: 276,
+    0x8F70: 277,
+    0x8F71: 278,
+    0x8F73: 279,
+    0x8F75: 280,
+    0x8F77: 281,
+    0x8F7B: 282,
+    0x8FA1: 283,
+    0x8FA2: 284,
+    0x8FA5: 285,
+    0x8FA9: 286,
+    0x8FB1: 287,
+    0x8FB3: 288,
+    0x8FB5: 289,
+    0x8FB7: 290,
+    0x9061: 291,
+    0x9062: 292,
+    0x9063: 293,
+    0x9065: 294,
+    0x9068: 295,
+    0x9069: 296,
+    0x906A: 297,
+    0x906B: 298,
+    0x9071: 299,
+    0x9073: 300,
+    0x9075: 301,
+    0x9076: 302,
+    0x9077: 303,
+    0x9078: 304,
+    0x9079: 305,
+    0x907B: 306,
+    0x907D: 307,
+    0x9081: 308,
+    0x9082: 309,
+    0x9085: 310,
+    0x9089: 311,
+    0x9091: 312,
+    0x9093: 313,
+    0x9095: 314,
+    0x9096: 315,
+    0x9097: 316,
+    0x90A1: 317,
+    0x90A2: 318,
+    0x90A5: 319,
+    0x90A9: 320,
+    0x90B1: 321,
+    0x90B7: 322,
+    0x90E1: 323,
+    0x90E2: 324,
+    0x90E4: 325,
+    0x90E5: 326,
+    0x90E9: 327,
+    0x90EB: 328,
+    0x90EC: 329,
+    0x90F1: 330,
+    0x90F3: 331,
+    0x90F5: 332,
+    0x90F6: 333,
+    0x90F7: 334,
+    0x90FD: 335,
+    0x9141: 336,
+    0x9142: 337,
+    0x9145: 338,
+    0x9149: 339,
+    0x9151: 340,
+    0x9153: 341,
+    0x9155: 342,
+    0x9156: 343,
+    0x9157: 344,
+    0x9161: 345,
+    0x9162: 346,
+    0x9165: 347,
+    0x9169: 348,
+    0x9171: 349,
+    0x9173: 350,
+    0x9176: 351,
+    0x9177: 352,
+    0x917A: 353,
+    0x9181: 354,
+    0x9185: 355,
+    0x91A1: 356,
+    0x91A2: 357,
+    0x91A5: 358,
+    0x91A9: 359,
+    0x91AB: 360,
+    0x91B1: 361,
+    0x91B3: 362,
+    0x91B5: 363,
+    0x91B7: 364,
+    0x91BC: 365,
+    0x91BD: 366,
+    0x91C1: 367,
+    0x91C5: 368,
+    0x91C9: 369,
+    0x91D6: 370,
+    0x9241: 371,
+    0x9245: 372,
+    0x9249: 373,
+    0x9251: 374,
+    0x9253: 375,
+    0x9255: 376,
+    0x9261: 377,
+    0x9262: 378,
+    0x9265: 379,
+    0x9269: 380,
+    0x9273: 381,
+    0x9275: 382,
+    0x9277: 383,
+    0x9281: 384,
+    0x9282: 385,
+    0x9285: 386,
+    0x9288: 387,
+    0x9289: 388,
+    0x9291: 389,
+    0x9293: 390,
+    0x9295: 391,
+    0x9297: 392,
+    0x92A1: 393,
+    0x92B6: 394,
+    0x92C1: 395,
+    0x92E1: 396,
+    0x92E5: 397,
+    0x92E9: 398,
+    0x92F1: 399,
+    0x92F3: 400,
+    0x9341: 401,
+    0x9342: 402,
+    0x9349: 403,
+    0x9351: 404,
+    0x9353: 405,
+    0x9357: 406,
+    0x9361: 407,
+    0x9362: 408,
+    0x9365: 409,
+    0x9369: 410,
+    0x936A: 411,
+    0x936B: 412,
+    0x9371: 413,
+    0x9373: 414,
+    0x9375: 415,
+    0x9377: 416,
+    0x9378: 417,
+    0x937C: 418,
+    0x9381: 419,
+    0x9385: 420,
+    0x9389: 421,
+    0x93A1: 422,
+    0x93A2: 423,
+    0x93A5: 424,
+    0x93A9: 425,
+    0x93AB: 426,
+    0x93B1: 427,
+    0x93B3: 428,
+    0x93B5: 429,
+    0x93B7: 430,
+    0x93BC: 431,
+    0x9461: 432,
+    0x9462: 433,
+    0x9463: 434,
+    0x9465: 435,
+    0x9468: 436,
+    0x9469: 437,
+    0x946A: 438,
+    0x946B: 439,
+    0x946C: 440,
+    0x9470: 441,
+    0x9471: 442,
+    0x9473: 443,
+    0x9475: 444,
+    0x9476: 445,
+    0x9477: 446,
+    0x9478: 447,
+    0x9479: 448,
+    0x947D: 449,
+    0x9481: 450,
+    0x9482: 451,
+    0x9485: 452,
+    0x9489: 453,
+    0x9491: 454,
+    0x9493: 455,
+    0x9495: 456,
+    0x9496: 457,
+    0x9497: 458,
+    0x94A1: 459,
+    0x94E1: 460,
+    0x94E2: 461,
+    0x94E3: 462,
+    0x94E5: 463,
+    0x94E8: 464,
+    0x94E9: 465,
+    0x94EB: 466,
+    0x94EC: 467,
+    0x94F1: 468,
+    0x94F3: 469,
+    0x94F5: 470,
+    0x94F7: 471,
+    0x94F9: 472,
+    0x94FC: 473,
+    0x9541: 474,
+    0x9542: 475,
+    0x9545: 476,
+    0x9549: 477,
+    0x9551: 478,
+    0x9553: 479,
+    0x9555: 480,
+    0x9556: 481,
+    0x9557: 482,
+    0x9561: 483,
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+    0xC1C5: 1836,
+    0xC1C9: 1837,
+    0xC1D7: 1838,
+    0xC241: 1839,
+    0xC245: 1840,
+    0xC249: 1841,
+    0xC251: 1842,
+    0xC253: 1843,
+    0xC255: 1844,
+    0xC257: 1845,
+    0xC261: 1846,
+    0xC271: 1847,
+    0xC281: 1848,
+    0xC282: 1849,
+    0xC285: 1850,
+    0xC289: 1851,
+    0xC291: 1852,
+    0xC293: 1853,
+    0xC295: 1854,
+    0xC297: 1855,
+    0xC2A1: 1856,
+    0xC2B6: 1857,
+    0xC2C1: 1858,
+    0xC2C5: 1859,
+    0xC2E1: 1860,
+    0xC2E5: 1861,
+    0xC2E9: 1862,
+    0xC2F1: 1863,
+    0xC2F3: 1864,
+    0xC2F5: 1865,
+    0xC2F7: 1866,
+    0xC341: 1867,
+    0xC345: 1868,
+    0xC349: 1869,
+    0xC351: 1870,
+    0xC357: 1871,
+    0xC361: 1872,
+    0xC362: 1873,
+    0xC365: 1874,
+    0xC369: 1875,
+    0xC371: 1876,
+    0xC373: 1877,
+    0xC375: 1878,
+    0xC377: 1879,
+    0xC3A1: 1880,
+    0xC3A2: 1881,
+    0xC3A5: 1882,
+    0xC3A8: 1883,
+    0xC3A9: 1884,
+    0xC3AA: 1885,
+    0xC3B1: 1886,
+    0xC3B3: 1887,
+    0xC3B5: 1888,
+    0xC3B7: 1889,
+    0xC461: 1890,
+    0xC462: 1891,
+    0xC465: 1892,
+    0xC469: 1893,
+    0xC471: 1894,
+    0xC473: 1895,
+    0xC475: 1896,
+    0xC477: 1897,
+    0xC481: 1898,
+    0xC482: 1899,
+    0xC485: 1900,
+    0xC489: 1901,
+    0xC491: 1902,
+    0xC493: 1903,
+    0xC495: 1904,
+    0xC496: 1905,
+    0xC497: 1906,
+    0xC4A1: 1907,
+    0xC4A2: 1908,
+    0xC4B7: 1909,
+    0xC4E1: 1910,
+    0xC4E2: 1911,
+    0xC4E5: 1912,
+    0xC4E8: 1913,
+    0xC4E9: 1914,
+    0xC4F1: 1915,
+    0xC4F3: 1916,
+    0xC4F5: 1917,
+    0xC4F6: 1918,
+    0xC4F7: 1919,
+    0xC541: 1920,
+    0xC542: 1921,
+    0xC545: 1922,
+    0xC549: 1923,
+    0xC551: 1924,
+    0xC553: 1925,
+    0xC555: 1926,
+    0xC557: 1927,
+    0xC561: 1928,
+    0xC565: 1929,
+    0xC569: 1930,
+    0xC571: 1931,
+    0xC573: 1932,
+    0xC575: 1933,
+    0xC576: 1934,
+    0xC577: 1935,
+    0xC581: 1936,
+    0xC5A1: 1937,
+    0xC5A2: 1938,
+    0xC5A5: 1939,
+    0xC5A9: 1940,
+    0xC5B1: 1941,
+    0xC5B3: 1942,
+    0xC5B5: 1943,
+    0xC5B7: 1944,
+    0xC5C1: 1945,
+    0xC5C2: 1946,
+    0xC5C5: 1947,
+    0xC5C9: 1948,
+    0xC5D1: 1949,
+    0xC5D7: 1950,
+    0xC5E1: 1951,
+    0xC5F7: 1952,
+    0xC641: 1953,
+    0xC649: 1954,
+    0xC661: 1955,
+    0xC681: 1956,
+    0xC682: 1957,
+    0xC685: 1958,
+    0xC689: 1959,
+    0xC691: 1960,
+    0xC693: 1961,
+    0xC695: 1962,
+    0xC697: 1963,
+    0xC6A1: 1964,
+    0xC6A5: 1965,
+    0xC6A9: 1966,
+    0xC6B7: 1967,
+    0xC6C1: 1968,
+    0xC6D7: 1969,
+    0xC6E1: 1970,
+    0xC6E2: 1971,
+    0xC6E5: 1972,
+    0xC6E9: 1973,
+    0xC6F1: 1974,
+    0xC6F3: 1975,
+    0xC6F5: 1976,
+    0xC6F7: 1977,
+    0xC741: 1978,
+    0xC745: 1979,
+    0xC749: 1980,
+    0xC751: 1981,
+    0xC761: 1982,
+    0xC762: 1983,
+    0xC765: 1984,
+    0xC769: 1985,
+    0xC771: 1986,
+    0xC773: 1987,
+    0xC777: 1988,
+    0xC7A1: 1989,
+    0xC7A2: 1990,
+    0xC7A5: 1991,
+    0xC7A9: 1992,
+    0xC7B1: 1993,
+    0xC7B3: 1994,
+    0xC7B5: 1995,
+    0xC7B7: 1996,
+    0xC861: 1997,
+    0xC862: 1998,
+    0xC865: 1999,
+    0xC869: 2000,
+    0xC86A: 2001,
+    0xC871: 2002,
+    0xC873: 2003,
+    0xC875: 2004,
+    0xC876: 2005,
+    0xC877: 2006,
+    0xC881: 2007,
+    0xC882: 2008,
+    0xC885: 2009,
+    0xC889: 2010,
+    0xC891: 2011,
+    0xC893: 2012,
+    0xC895: 2013,
+    0xC896: 2014,
+    0xC897: 2015,
+    0xC8A1: 2016,
+    0xC8B7: 2017,
+    0xC8E1: 2018,
+    0xC8E2: 2019,
+    0xC8E5: 2020,
+    0xC8E9: 2021,
+    0xC8EB: 2022,
+    0xC8F1: 2023,
+    0xC8F3: 2024,
+    0xC8F5: 2025,
+    0xC8F6: 2026,
+    0xC8F7: 2027,
+    0xC941: 2028,
+    0xC942: 2029,
+    0xC945: 2030,
+    0xC949: 2031,
+    0xC951: 2032,
+    0xC953: 2033,
+    0xC955: 2034,
+    0xC957: 2035,
+    0xC961: 2036,
+    0xC965: 2037,
+    0xC976: 2038,
+    0xC981: 2039,
+    0xC985: 2040,
+    0xC9A1: 2041,
+    0xC9A2: 2042,
+    0xC9A5: 2043,
+    0xC9A9: 2044,
+    0xC9B1: 2045,
+    0xC9B3: 2046,
+    0xC9B5: 2047,
+    0xC9B7: 2048,
+    0xC9BC: 2049,
+    0xC9C1: 2050,
+    0xC9C5: 2051,
+    0xC9E1: 2052,
+    0xCA41: 2053,
+    0xCA45: 2054,
+    0xCA55: 2055,
+    0xCA57: 2056,
+    0xCA61: 2057,
+    0xCA81: 2058,
+    0xCA82: 2059,
+    0xCA85: 2060,
+    0xCA89: 2061,
+    0xCA91: 2062,
+    0xCA93: 2063,
+    0xCA95: 2064,
+    0xCA97: 2065,
+    0xCAA1: 2066,
+    0xCAB6: 2067,
+    0xCAC1: 2068,
+    0xCAE1: 2069,
+    0xCAE2: 2070,
+    0xCAE5: 2071,
+    0xCAE9: 2072,
+    0xCAF1: 2073,
+    0xCAF3: 2074,
+    0xCAF7: 2075,
+    0xCB41: 2076,
+    0xCB45: 2077,
+    0xCB49: 2078,
+    0xCB51: 2079,
+    0xCB57: 2080,
+    0xCB61: 2081,
+    0xCB62: 2082,
+    0xCB65: 2083,
+    0xCB68: 2084,
+    0xCB69: 2085,
+    0xCB6B: 2086,
+    0xCB71: 2087,
+    0xCB73: 2088,
+    0xCB75: 2089,
+    0xCB81: 2090,
+    0xCB85: 2091,
+    0xCB89: 2092,
+    0xCB91: 2093,
+    0xCB93: 2094,
+    0xCBA1: 2095,
+    0xCBA2: 2096,
+    0xCBA5: 2097,
+    0xCBA9: 2098,
+    0xCBB1: 2099,
+    0xCBB3: 2100,
+    0xCBB5: 2101,
+    0xCBB7: 2102,
+    0xCC61: 2103,
+    0xCC62: 2104,
+    0xCC63: 2105,
+    0xCC65: 2106,
+    0xCC69: 2107,
+    0xCC6B: 2108,
+    0xCC71: 2109,
+    0xCC73: 2110,
+    0xCC75: 2111,
+    0xCC76: 2112,
+    0xCC77: 2113,
+    0xCC7B: 2114,
+    0xCC81: 2115,
+    0xCC82: 2116,
+    0xCC85: 2117,
+    0xCC89: 2118,
+    0xCC91: 2119,
+    0xCC93: 2120,
+    0xCC95: 2121,
+    0xCC96: 2122,
+    0xCC97: 2123,
+    0xCCA1: 2124,
+    0xCCA2: 2125,
+    0xCCE1: 2126,
+    0xCCE2: 2127,
+    0xCCE5: 2128,
+    0xCCE9: 2129,
+    0xCCF1: 2130,
+    0xCCF3: 2131,
+    0xCCF5: 2132,
+    0xCCF6: 2133,
+    0xCCF7: 2134,
+    0xCD41: 2135,
+    0xCD42: 2136,
+    0xCD45: 2137,
+    0xCD49: 2138,
+    0xCD51: 2139,
+    0xCD53: 2140,
+    0xCD55: 2141,
+    0xCD57: 2142,
+    0xCD61: 2143,
+    0xCD65: 2144,
+    0xCD69: 2145,
+    0xCD71: 2146,
+    0xCD73: 2147,
+    0xCD76: 2148,
+    0xCD77: 2149,
+    0xCD81: 2150,
+    0xCD89: 2151,
+    0xCD93: 2152,
+    0xCD95: 2153,
+    0xCDA1: 2154,
+    0xCDA2: 2155,
+    0xCDA5: 2156,
+    0xCDA9: 2157,
+    0xCDB1: 2158,
+    0xCDB3: 2159,
+    0xCDB5: 2160,
+    0xCDB7: 2161,
+    0xCDC1: 2162,
+    0xCDD7: 2163,
+    0xCE41: 2164,
+    0xCE45: 2165,
+    0xCE61: 2166,
+    0xCE65: 2167,
+    0xCE69: 2168,
+    0xCE73: 2169,
+    0xCE75: 2170,
+    0xCE81: 2171,
+    0xCE82: 2172,
+    0xCE85: 2173,
+    0xCE88: 2174,
+    0xCE89: 2175,
+    0xCE8B: 2176,
+    0xCE91: 2177,
+    0xCE93: 2178,
+    0xCE95: 2179,
+    0xCE97: 2180,
+    0xCEA1: 2181,
+    0xCEB7: 2182,
+    0xCEE1: 2183,
+    0xCEE5: 2184,
+    0xCEE9: 2185,
+    0xCEF1: 2186,
+    0xCEF5: 2187,
+    0xCF41: 2188,
+    0xCF45: 2189,
+    0xCF49: 2190,
+    0xCF51: 2191,
+    0xCF55: 2192,
+    0xCF57: 2193,
+    0xCF61: 2194,
+    0xCF65: 2195,
+    0xCF69: 2196,
+    0xCF71: 2197,
+    0xCF73: 2198,
+    0xCF75: 2199,
+    0xCFA1: 2200,
+    0xCFA2: 2201,
+    0xCFA5: 2202,
+    0xCFA9: 2203,
+    0xCFB1: 2204,
+    0xCFB3: 2205,
+    0xCFB5: 2206,
+    0xCFB7: 2207,
+    0xD061: 2208,
+    0xD062: 2209,
+    0xD065: 2210,
+    0xD069: 2211,
+    0xD06E: 2212,
+    0xD071: 2213,
+    0xD073: 2214,
+    0xD075: 2215,
+    0xD077: 2216,
+    0xD081: 2217,
+    0xD082: 2218,
+    0xD085: 2219,
+    0xD089: 2220,
+    0xD091: 2221,
+    0xD093: 2222,
+    0xD095: 2223,
+    0xD096: 2224,
+    0xD097: 2225,
+    0xD0A1: 2226,
+    0xD0B7: 2227,
+    0xD0E1: 2228,
+    0xD0E2: 2229,
+    0xD0E5: 2230,
+    0xD0E9: 2231,
+    0xD0EB: 2232,
+    0xD0F1: 2233,
+    0xD0F3: 2234,
+    0xD0F5: 2235,
+    0xD0F7: 2236,
+    0xD141: 2237,
+    0xD142: 2238,
+    0xD145: 2239,
+    0xD149: 2240,
+    0xD151: 2241,
+    0xD153: 2242,
+    0xD155: 2243,
+    0xD157: 2244,
+    0xD161: 2245,
+    0xD162: 2246,
+    0xD165: 2247,
+    0xD169: 2248,
+    0xD171: 2249,
+    0xD173: 2250,
+    0xD175: 2251,
+    0xD176: 2252,
+    0xD177: 2253,
+    0xD181: 2254,
+    0xD185: 2255,
+    0xD189: 2256,
+    0xD193: 2257,
+    0xD1A1: 2258,
+    0xD1A2: 2259,
+    0xD1A5: 2260,
+    0xD1A9: 2261,
+    0xD1AE: 2262,
+    0xD1B1: 2263,
+    0xD1B3: 2264,
+    0xD1B5: 2265,
+    0xD1B7: 2266,
+    0xD1BB: 2267,
+    0xD1C1: 2268,
+    0xD1C2: 2269,
+    0xD1C5: 2270,
+    0xD1C9: 2271,
+    0xD1D5: 2272,
+    0xD1D7: 2273,
+    0xD1E1: 2274,
+    0xD1E2: 2275,
+    0xD1E5: 2276,
+    0xD1F5: 2277,
+    0xD1F7: 2278,
+    0xD241: 2279,
+    0xD242: 2280,
+    0xD245: 2281,
+    0xD249: 2282,
+    0xD253: 2283,
+    0xD255: 2284,
+    0xD257: 2285,
+    0xD261: 2286,
+    0xD265: 2287,
+    0xD269: 2288,
+    0xD273: 2289,
+    0xD275: 2290,
+    0xD281: 2291,
+    0xD282: 2292,
+    0xD285: 2293,
+    0xD289: 2294,
+    0xD28E: 2295,
+    0xD291: 2296,
+    0xD295: 2297,
+    0xD297: 2298,
+    0xD2A1: 2299,
+    0xD2A5: 2300,
+    0xD2A9: 2301,
+    0xD2B1: 2302,
+    0xD2B7: 2303,
+    0xD2C1: 2304,
+    0xD2C2: 2305,
+    0xD2C5: 2306,
+    0xD2C9: 2307,
+    0xD2D7: 2308,
+    0xD2E1: 2309,
+    0xD2E2: 2310,
+    0xD2E5: 2311,
+    0xD2E9: 2312,
+    0xD2F1: 2313,
+    0xD2F3: 2314,
+    0xD2F5: 2315,
+    0xD2F7: 2316,
+    0xD341: 2317,
+    0xD342: 2318,
+    0xD345: 2319,
+    0xD349: 2320,
+    0xD351: 2321,
+    0xD355: 2322,
+    0xD357: 2323,
+    0xD361: 2324,
+    0xD362: 2325,
+    0xD365: 2326,
+    0xD367: 2327,
+    0xD368: 2328,
+    0xD369: 2329,
+    0xD36A: 2330,
+    0xD371: 2331,
+    0xD373: 2332,
+    0xD375: 2333,
+    0xD377: 2334,
+    0xD37B: 2335,
+    0xD381: 2336,
+    0xD385: 2337,
+    0xD389: 2338,
+    0xD391: 2339,
+    0xD393: 2340,
+    0xD397: 2341,
+    0xD3A1: 2342,
+    0xD3A2: 2343,
+    0xD3A5: 2344,
+    0xD3A9: 2345,
+    0xD3B1: 2346,
+    0xD3B3: 2347,
+    0xD3B5: 2348,
+    0xD3B7: 2349,
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/johabprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/johabprober.py
new file mode 100644
index 00000000..d7364ba6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/johabprober.py
@@ -0,0 +1,47 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .chardistribution import JOHABDistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import JOHAB_SM_MODEL
+
+
+class JOHABProber(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(JOHAB_SM_MODEL)
+        self.distribution_analyzer = JOHABDistributionAnalysis()
+        self.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "Johab"
+
+    @property
+    def language(self) -> str:
+        return "Korean"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/jpcntx.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/jpcntx.py
new file mode 100644
index 00000000..2f53bdda
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/jpcntx.py
@@ -0,0 +1,238 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import List, Tuple, Union
+
+# This is hiragana 2-char sequence table, the number in each cell represents its frequency category
+# fmt: off
+jp2_char_context = (
+    (0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1),
+    (2, 4, 0, 4, 0, 3, 0, 4, 0, 3, 4, 4, 4, 2, 4, 3, 3, 4, 3, 2, 3, 3, 4, 2, 3, 3, 3, 2, 4, 1, 4, 3, 3, 1, 5, 4, 3, 4, 3, 4, 3, 5, 3, 0, 3, 5, 4, 2, 0, 3, 1, 0, 3, 3, 0, 3, 3, 0, 1, 1, 0, 4, 3, 0, 3, 3, 0, 4, 0, 2, 0, 3, 5, 5, 5, 5, 4, 0, 4, 1, 0, 3, 4),
+    (0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2),
+    (0, 4, 0, 5, 0, 5, 0, 4, 0, 4, 5, 4, 4, 3, 5, 3, 5, 1, 5, 3, 4, 3, 4, 4, 3, 4, 3, 3, 4, 3, 5, 4, 4, 3, 5, 5, 3, 5, 5, 5, 3, 5, 5, 3, 4, 5, 5, 3, 1, 3, 2, 0, 3, 4, 0, 4, 2, 0, 4, 2, 1, 5, 3, 2, 3, 5, 0, 4, 0, 2, 0, 5, 4, 4, 5, 4, 5, 0, 4, 0, 0, 4, 4),
+    (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
+    (0, 3, 0, 4, 0, 3, 0, 3, 0, 4, 5, 4, 3, 3, 3, 3, 4, 3, 5, 4, 4, 3, 5, 4, 4, 3, 4, 3, 4, 4, 4, 4, 5, 3, 4, 4, 3, 4, 5, 5, 4, 5, 5, 1, 4, 5, 4, 3, 0, 3, 3, 1, 3, 3, 0, 4, 4, 0, 3, 3, 1, 5, 3, 3, 3, 5, 0, 4, 0, 3, 0, 4, 4, 3, 4, 3, 3, 0, 4, 1, 1, 3, 4),
+    (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
+    (0, 4, 0, 3, 0, 3, 0, 4, 0, 3, 4, 4, 3, 2, 2, 1, 2, 1, 3, 1, 3, 3, 3, 3, 3, 4, 3, 1, 3, 3, 5, 3, 3, 0, 4, 3, 0, 5, 4, 3, 3, 5, 4, 4, 3, 4, 4, 5, 0, 1, 2, 0, 1, 2, 0, 2, 2, 0, 1, 0, 0, 5, 2, 2, 1, 4, 0, 3, 0, 1, 0, 4, 4, 3, 5, 4, 3, 0, 2, 1, 0, 4, 3),
+    (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
+    (0, 3, 0, 5, 0, 4, 0, 2, 1, 4, 4, 2, 4, 1, 4, 2, 4, 2, 4, 3, 3, 3, 4, 3, 3, 3, 3, 1, 4, 2, 3, 3, 3, 1, 4, 4, 1, 1, 1, 4, 3, 3, 2, 0, 2, 4, 3, 2, 0, 3, 3, 0, 3, 1, 1, 0, 0, 0, 3, 3, 0, 4, 2, 2, 3, 4, 0, 4, 0, 3, 0, 4, 4, 5, 3, 4, 4, 0, 3, 0, 0, 1, 4),
+    (1, 4, 0, 4, 0, 4, 0, 4, 0, 3, 5, 4, 4, 3, 4, 3, 5, 4, 3, 3, 4, 3, 5, 4, 4, 4, 4, 3, 4, 2, 4, 3, 3, 1, 5, 4, 3, 2, 4, 5, 4, 5, 5, 4, 4, 5, 4, 4, 0, 3, 2, 2, 3, 3, 0, 4, 3, 1, 3, 2, 1, 4, 3, 3, 4, 5, 0, 3, 0, 2, 0, 4, 5, 5, 4, 5, 4, 0, 4, 0, 0, 5, 4),
+    (0, 5, 0, 5, 0, 4, 0, 3, 0, 4, 4, 3, 4, 3, 3, 3, 4, 0, 4, 4, 4, 3, 4, 3, 4, 3, 3, 1, 4, 2, 4, 3, 4, 0, 5, 4, 1, 4, 5, 4, 4, 5, 3, 2, 4, 3, 4, 3, 2, 4, 1, 3, 3, 3, 2, 3, 2, 0, 4, 3, 3, 4, 3, 3, 3, 4, 0, 4, 0, 3, 0, 4, 5, 4, 4, 4, 3, 0, 4, 1, 0, 1, 3),
+    (0, 3, 1, 4, 0, 3, 0, 2, 0, 3, 4, 4, 3, 1, 4, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 4, 3, 2, 3, 1, 5, 4, 4, 1, 4, 4, 3, 5, 4, 4, 3, 5, 5, 4, 3, 4, 4, 3, 1, 2, 3, 1, 2, 2, 0, 3, 2, 0, 3, 1, 0, 5, 3, 3, 3, 4, 3, 3, 3, 3, 4, 4, 4, 4, 5, 4, 2, 0, 3, 3, 2, 4, 3),
+    (0, 2, 0, 3, 0, 1, 0, 1, 0, 0, 3, 2, 0, 0, 2, 0, 1, 0, 2, 1, 3, 3, 3, 1, 2, 3, 1, 0, 1, 0, 4, 2, 1, 1, 3, 3, 0, 4, 3, 3, 1, 4, 3, 3, 0, 3, 3, 2, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 0, 0, 4, 1, 0, 2, 3, 2, 2, 2, 1, 3, 3, 3, 4, 4, 3, 2, 0, 3, 1, 0, 3, 3),
+    (0, 4, 0, 4, 0, 3, 0, 3, 0, 4, 4, 4, 3, 3, 3, 3, 3, 3, 4, 3, 4, 2, 4, 3, 4, 3, 3, 2, 4, 3, 4, 5, 4, 1, 4, 5, 3, 5, 4, 5, 3, 5, 4, 0, 3, 5, 5, 3, 1, 3, 3, 2, 2, 3, 0, 3, 4, 1, 3, 3, 2, 4, 3, 3, 3, 4, 0, 4, 0, 3, 0, 4, 5, 4, 4, 5, 3, 0, 4, 1, 0, 3, 4),
+    (0, 2, 0, 3, 0, 3, 0, 0, 0, 2, 2, 2, 1, 0, 1, 0, 0, 0, 3, 0, 3, 0, 3, 0, 1, 3, 1, 0, 3, 1, 3, 3, 3, 1, 3, 3, 3, 0, 1, 3, 1, 3, 4, 0, 0, 3, 1, 1, 0, 3, 2, 0, 0, 0, 0, 1, 3, 0, 1, 0, 0, 3, 3, 2, 0, 3, 0, 0, 0, 0, 0, 3, 4, 3, 4, 3, 3, 0, 3, 0, 0, 2, 3),
+    (2, 3, 0, 3, 0, 2, 0, 1, 0, 3, 3, 4, 3, 1, 3, 1, 1, 1, 3, 1, 4, 3, 4, 3, 3, 3, 0, 0, 3, 1, 5, 4, 3, 1, 4, 3, 2, 5, 5, 4, 4, 4, 4, 3, 3, 4, 4, 4, 0, 2, 1, 1, 3, 2, 0, 1, 2, 0, 0, 1, 0, 4, 1, 3, 3, 3, 0, 3, 0, 1, 0, 4, 4, 4, 5, 5, 3, 0, 2, 0, 0, 4, 4),
+    (0, 2, 0, 1, 0, 3, 1, 3, 0, 2, 3, 3, 3, 0, 3, 1, 0, 0, 3, 0, 3, 2, 3, 1, 3, 2, 1, 1, 0, 0, 4, 2, 1, 0, 2, 3, 1, 4, 3, 2, 0, 4, 4, 3, 1, 3, 1, 3, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 4, 1, 1, 1, 2, 0, 3, 0, 0, 0, 3, 4, 2, 4, 3, 2, 0, 1, 0, 0, 3, 3),
+    (0, 1, 0, 4, 0, 5, 0, 4, 0, 2, 4, 4, 2, 3, 3, 2, 3, 3, 5, 3, 3, 3, 4, 3, 4, 2, 3, 0, 4, 3, 3, 3, 4, 1, 4, 3, 2, 1, 5, 5, 3, 4, 5, 1, 3, 5, 4, 2, 0, 3, 3, 0, 1, 3, 0, 4, 2, 0, 1, 3, 1, 4, 3, 3, 3, 3, 0, 3, 0, 1, 0, 3, 4, 4, 4, 5, 5, 0, 3, 0, 1, 4, 5),
+    (0, 2, 0, 3, 0, 3, 0, 0, 0, 2, 3, 1, 3, 0, 4, 0, 1, 1, 3, 0, 3, 4, 3, 2, 3, 1, 0, 3, 3, 2, 3, 1, 3, 0, 2, 3, 0, 2, 1, 4, 1, 2, 2, 0, 0, 3, 3, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 0, 2, 2, 0, 3, 2, 1, 3, 3, 0, 2, 0, 2, 0, 0, 3, 3, 1, 2, 4, 0, 3, 0, 2, 2, 3),
+    (2, 4, 0, 5, 0, 4, 0, 4, 0, 2, 4, 4, 4, 3, 4, 3, 3, 3, 1, 2, 4, 3, 4, 3, 4, 4, 5, 0, 3, 3, 3, 3, 2, 0, 4, 3, 1, 4, 3, 4, 1, 4, 4, 3, 3, 4, 4, 3, 1, 2, 3, 0, 4, 2, 0, 4, 1, 0, 3, 3, 0, 4, 3, 3, 3, 4, 0, 4, 0, 2, 0, 3, 5, 3, 4, 5, 2, 0, 3, 0, 0, 4, 5),
+    (0, 3, 0, 4, 0, 1, 0, 1, 0, 1, 3, 2, 2, 1, 3, 0, 3, 0, 2, 0, 2, 0, 3, 0, 2, 0, 0, 0, 1, 0, 1, 1, 0, 0, 3, 1, 0, 0, 0, 4, 0, 3, 1, 0, 2, 1, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, 2, 2, 3, 1, 0, 3, 0, 0, 0, 1, 4, 4, 4, 3, 0, 0, 4, 0, 0, 1, 4),
+    (1, 4, 1, 5, 0, 3, 0, 3, 0, 4, 5, 4, 4, 3, 5, 3, 3, 4, 4, 3, 4, 1, 3, 3, 3, 3, 2, 1, 4, 1, 5, 4, 3, 1, 4, 4, 3, 5, 4, 4, 3, 5, 4, 3, 3, 4, 4, 4, 0, 3, 3, 1, 2, 3, 0, 3, 1, 0, 3, 3, 0, 5, 4, 4, 4, 4, 4, 4, 3, 3, 5, 4, 4, 3, 3, 5, 4, 0, 3, 2, 0, 4, 4),
+    (0, 2, 0, 3, 0, 1, 0, 0, 0, 1, 3, 3, 3, 2, 4, 1, 3, 0, 3, 1, 3, 0, 2, 2, 1, 1, 0, 0, 2, 0, 4, 3, 1, 0, 4, 3, 0, 4, 4, 4, 1, 4, 3, 1, 1, 3, 3, 1, 0, 2, 0, 0, 1, 3, 0, 0, 0, 0, 2, 0, 0, 4, 3, 2, 4, 3, 5, 4, 3, 3, 3, 4, 3, 3, 4, 3, 3, 0, 2, 1, 0, 3, 3),
+    (0, 2, 0, 4, 0, 3, 0, 2, 0, 2, 5, 5, 3, 4, 4, 4, 4, 1, 4, 3, 3, 0, 4, 3, 4, 3, 1, 3, 3, 2, 4, 3, 0, 3, 4, 3, 0, 3, 4, 4, 2, 4, 4, 0, 4, 5, 3, 3, 2, 2, 1, 1, 1, 2, 0, 1, 5, 0, 3, 3, 2, 4, 3, 3, 3, 4, 0, 3, 0, 2, 0, 4, 4, 3, 5, 5, 0, 0, 3, 0, 2, 3, 3),
+    (0, 3, 0, 4, 0, 3, 0, 1, 0, 3, 4, 3, 3, 1, 3, 3, 3, 0, 3, 1, 3, 0, 4, 3, 3, 1, 1, 0, 3, 0, 3, 3, 0, 0, 4, 4, 0, 1, 5, 4, 3, 3, 5, 0, 3, 3, 4, 3, 0, 2, 0, 1, 1, 1, 0, 1, 3, 0, 1, 2, 1, 3, 3, 2, 3, 3, 0, 3, 0, 1, 0, 1, 3, 3, 4, 4, 1, 0, 1, 2, 2, 1, 3),
+    (0, 1, 0, 4, 0, 4, 0, 3, 0, 1, 3, 3, 3, 2, 3, 1, 1, 0, 3, 0, 3, 3, 4, 3, 2, 4, 2, 0, 1, 0, 4, 3, 2, 0, 4, 3, 0, 5, 3, 3, 2, 4, 4, 4, 3, 3, 3, 4, 0, 1, 3, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 4, 2, 3, 3, 3, 0, 3, 0, 0, 0, 4, 4, 4, 5, 3, 2, 0, 3, 3, 0, 3, 5),
+    (0, 2, 0, 3, 0, 0, 0, 3, 0, 1, 3, 0, 2, 0, 0, 0, 1, 0, 3, 1, 1, 3, 3, 0, 0, 3, 0, 0, 3, 0, 2, 3, 1, 0, 3, 1, 0, 3, 3, 2, 0, 4, 2, 2, 0, 2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 2, 0, 1, 0, 1, 0, 0, 0, 1, 3, 1, 2, 0, 0, 0, 1, 0, 0, 1, 4),
+    (0, 3, 0, 3, 0, 5, 0, 1, 0, 2, 4, 3, 1, 3, 3, 2, 1, 1, 5, 2, 1, 0, 5, 1, 2, 0, 0, 0, 3, 3, 2, 2, 3, 2, 4, 3, 0, 0, 3, 3, 1, 3, 3, 0, 2, 5, 3, 4, 0, 3, 3, 0, 1, 2, 0, 2, 2, 0, 3, 2, 0, 2, 2, 3, 3, 3, 0, 2, 0, 1, 0, 3, 4, 4, 2, 5, 4, 0, 3, 0, 0, 3, 5),
+    (0, 3, 0, 3, 0, 3, 0, 1, 0, 3, 3, 3, 3, 0, 3, 0, 2, 0, 2, 1, 1, 0, 2, 0, 1, 0, 0, 0, 2, 1, 0, 0, 1, 0, 3, 2, 0, 0, 3, 3, 1, 2, 3, 1, 0, 3, 3, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 3, 1, 2, 3, 0, 3, 0, 1, 0, 3, 2, 1, 0, 4, 3, 0, 1, 1, 0, 3, 3),
+    (0, 4, 0, 5, 0, 3, 0, 3, 0, 4, 5, 5, 4, 3, 5, 3, 4, 3, 5, 3, 3, 2, 5, 3, 4, 4, 4, 3, 4, 3, 4, 5, 5, 3, 4, 4, 3, 4, 4, 5, 4, 4, 4, 3, 4, 5, 5, 4, 2, 3, 4, 2, 3, 4, 0, 3, 3, 1, 4, 3, 2, 4, 3, 3, 5, 5, 0, 3, 0, 3, 0, 5, 5, 5, 5, 4, 4, 0, 4, 0, 1, 4, 4),
+    (0, 4, 0, 4, 0, 3, 0, 3, 0, 3, 5, 4, 4, 2, 3, 2, 5, 1, 3, 2, 5, 1, 4, 2, 3, 2, 3, 3, 4, 3, 3, 3, 3, 2, 5, 4, 1, 3, 3, 5, 3, 4, 4, 0, 4, 4, 3, 1, 1, 3, 1, 0, 2, 3, 0, 2, 3, 0, 3, 0, 0, 4, 3, 1, 3, 4, 0, 3, 0, 2, 0, 4, 4, 4, 3, 4, 5, 0, 4, 0, 0, 3, 4),
+    (0, 3, 0, 3, 0, 3, 1, 2, 0, 3, 4, 4, 3, 3, 3, 0, 2, 2, 4, 3, 3, 1, 3, 3, 3, 1, 1, 0, 3, 1, 4, 3, 2, 3, 4, 4, 2, 4, 4, 4, 3, 4, 4, 3, 2, 4, 4, 3, 1, 3, 3, 1, 3, 3, 0, 4, 1, 0, 2, 2, 1, 4, 3, 2, 3, 3, 5, 4, 3, 3, 5, 4, 4, 3, 3, 0, 4, 0, 3, 2, 2, 4, 4),
+    (0, 2, 0, 1, 0, 0, 0, 0, 0, 1, 2, 1, 3, 0, 0, 0, 0, 0, 2, 0, 1, 2, 1, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 1, 0, 1, 1, 3, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 0, 3, 4, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1),
+    (0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 4, 0, 4, 1, 4, 0, 3, 0, 4, 0, 3, 0, 4, 0, 3, 0, 3, 0, 4, 1, 5, 1, 4, 0, 0, 3, 0, 5, 0, 5, 2, 0, 1, 0, 0, 0, 2, 1, 4, 0, 1, 3, 0, 0, 3, 0, 0, 3, 1, 1, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0),
+    (1, 4, 0, 5, 0, 3, 0, 2, 0, 3, 5, 4, 4, 3, 4, 3, 5, 3, 4, 3, 3, 0, 4, 3, 3, 3, 3, 3, 3, 2, 4, 4, 3, 1, 3, 4, 4, 5, 4, 4, 3, 4, 4, 1, 3, 5, 4, 3, 3, 3, 1, 2, 2, 3, 3, 1, 3, 1, 3, 3, 3, 5, 3, 3, 4, 5, 0, 3, 0, 3, 0, 3, 4, 3, 4, 4, 3, 0, 3, 0, 2, 4, 3),
+    (0, 1, 0, 4, 0, 0, 0, 0, 0, 1, 4, 0, 4, 1, 4, 2, 4, 0, 3, 0, 1, 0, 1, 0, 0, 0, 0, 0, 2, 0, 3, 1, 1, 1, 0, 3, 0, 0, 0, 1, 2, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 3, 0, 0, 0, 0, 3, 2, 0, 2, 2, 0, 1, 0, 0, 0, 2, 3, 2, 3, 3, 0, 0, 0, 0, 2, 1, 0),
+    (0, 5, 1, 5, 0, 3, 0, 3, 0, 5, 4, 4, 5, 1, 5, 3, 3, 0, 4, 3, 4, 3, 5, 3, 4, 3, 3, 2, 4, 3, 4, 3, 3, 0, 3, 3, 1, 4, 4, 3, 4, 4, 4, 3, 4, 5, 5, 3, 2, 3, 1, 1, 3, 3, 1, 3, 1, 1, 3, 3, 2, 4, 5, 3, 3, 5, 0, 4, 0, 3, 0, 4, 4, 3, 5, 3, 3, 0, 3, 4, 0, 4, 3),
+    (0, 5, 0, 5, 0, 3, 0, 2, 0, 4, 4, 3, 5, 2, 4, 3, 3, 3, 4, 4, 4, 3, 5, 3, 5, 3, 3, 1, 4, 0, 4, 3, 3, 0, 3, 3, 0, 4, 4, 4, 4, 5, 4, 3, 3, 5, 5, 3, 2, 3, 1, 2, 3, 2, 0, 1, 0, 0, 3, 2, 2, 4, 4, 3, 1, 5, 0, 4, 0, 3, 0, 4, 3, 1, 3, 2, 1, 0, 3, 3, 0, 3, 3),
+    (0, 4, 0, 5, 0, 5, 0, 4, 0, 4, 5, 5, 5, 3, 4, 3, 3, 2, 5, 4, 4, 3, 5, 3, 5, 3, 4, 0, 4, 3, 4, 4, 3, 2, 4, 4, 3, 4, 5, 4, 4, 5, 5, 0, 3, 5, 5, 4, 1, 3, 3, 2, 3, 3, 1, 3, 1, 0, 4, 3, 1, 4, 4, 3, 4, 5, 0, 4, 0, 2, 0, 4, 3, 4, 4, 3, 3, 0, 4, 0, 0, 5, 5),
+    (0, 4, 0, 4, 0, 5, 0, 1, 1, 3, 3, 4, 4, 3, 4, 1, 3, 0, 5, 1, 3, 0, 3, 1, 3, 1, 1, 0, 3, 0, 3, 3, 4, 0, 4, 3, 0, 4, 4, 4, 3, 4, 4, 0, 3, 5, 4, 1, 0, 3, 0, 0, 2, 3, 0, 3, 1, 0, 3, 1, 0, 3, 2, 1, 3, 5, 0, 3, 0, 1, 0, 3, 2, 3, 3, 4, 4, 0, 2, 2, 0, 4, 4),
+    (2, 4, 0, 5, 0, 4, 0, 3, 0, 4, 5, 5, 4, 3, 5, 3, 5, 3, 5, 3, 5, 2, 5, 3, 4, 3, 3, 4, 3, 4, 5, 3, 2, 1, 5, 4, 3, 2, 3, 4, 5, 3, 4, 1, 2, 5, 4, 3, 0, 3, 3, 0, 3, 2, 0, 2, 3, 0, 4, 1, 0, 3, 4, 3, 3, 5, 0, 3, 0, 1, 0, 4, 5, 5, 5, 4, 3, 0, 4, 2, 0, 3, 5),
+    (0, 5, 0, 4, 0, 4, 0, 2, 0, 5, 4, 3, 4, 3, 4, 3, 3, 3, 4, 3, 4, 2, 5, 3, 5, 3, 4, 1, 4, 3, 4, 4, 4, 0, 3, 5, 0, 4, 4, 4, 4, 5, 3, 1, 3, 4, 5, 3, 3, 3, 3, 3, 3, 3, 0, 2, 2, 0, 3, 3, 2, 4, 3, 3, 3, 5, 3, 4, 1, 3, 3, 5, 3, 2, 0, 0, 0, 0, 4, 3, 1, 3, 3),
+    (0, 1, 0, 3, 0, 3, 0, 1, 0, 1, 3, 3, 3, 2, 3, 3, 3, 0, 3, 0, 0, 0, 3, 1, 3, 0, 0, 0, 2, 2, 2, 3, 0, 0, 3, 2, 0, 1, 2, 4, 1, 3, 3, 0, 0, 3, 3, 3, 0, 1, 0, 0, 2, 1, 0, 0, 3, 0, 3, 1, 0, 3, 0, 0, 1, 3, 0, 2, 0, 1, 0, 3, 3, 1, 3, 3, 0, 0, 1, 1, 0, 3, 3),
+    (0, 2, 0, 3, 0, 2, 1, 4, 0, 2, 2, 3, 1, 1, 3, 1, 1, 0, 2, 0, 3, 1, 2, 3, 1, 3, 0, 0, 1, 0, 4, 3, 2, 3, 3, 3, 1, 4, 2, 3, 3, 3, 3, 1, 0, 3, 1, 4, 0, 1, 1, 0, 1, 2, 0, 1, 1, 0, 1, 1, 0, 3, 1, 3, 2, 2, 0, 1, 0, 0, 0, 2, 3, 3, 3, 1, 0, 0, 0, 0, 0, 2, 3),
+    (0, 5, 0, 4, 0, 5, 0, 2, 0, 4, 5, 5, 3, 3, 4, 3, 3, 1, 5, 4, 4, 2, 4, 4, 4, 3, 4, 2, 4, 3, 5, 5, 4, 3, 3, 4, 3, 3, 5, 5, 4, 5, 5, 1, 3, 4, 5, 3, 1, 4, 3, 1, 3, 3, 0, 3, 3, 1, 4, 3, 1, 4, 5, 3, 3, 5, 0, 4, 0, 3, 0, 5, 3, 3, 1, 4, 3, 0, 4, 0, 1, 5, 3),
+    (0, 5, 0, 5, 0, 4, 0, 2, 0, 4, 4, 3, 4, 3, 3, 3, 3, 3, 5, 4, 4, 4, 4, 4, 4, 5, 3, 3, 5, 2, 4, 4, 4, 3, 4, 4, 3, 3, 4, 4, 5, 5, 3, 3, 4, 3, 4, 3, 3, 4, 3, 3, 3, 3, 1, 2, 2, 1, 4, 3, 3, 5, 4, 4, 3, 4, 0, 4, 0, 3, 0, 4, 4, 4, 4, 4, 1, 0, 4, 2, 0, 2, 4),
+    (0, 4, 0, 4, 0, 3, 0, 1, 0, 3, 5, 2, 3, 0, 3, 0, 2, 1, 4, 2, 3, 3, 4, 1, 4, 3, 3, 2, 4, 1, 3, 3, 3, 0, 3, 3, 0, 0, 3, 3, 3, 5, 3, 3, 3, 3, 3, 2, 0, 2, 0, 0, 2, 0, 0, 2, 0, 0, 1, 0, 0, 3, 1, 2, 2, 3, 0, 3, 0, 2, 0, 4, 4, 3, 3, 4, 1, 0, 3, 0, 0, 2, 4),
+    (0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 2, 0, 0, 0, 0, 0, 1, 0, 2, 0, 1, 0, 0, 0, 0, 0, 3, 1, 3, 0, 3, 2, 0, 0, 0, 1, 0, 3, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4, 0, 2, 0, 0, 0, 0, 0, 0, 2),
+    (0, 2, 1, 3, 0, 2, 0, 2, 0, 3, 3, 3, 3, 1, 3, 1, 3, 3, 3, 3, 3, 3, 4, 2, 2, 1, 2, 1, 4, 0, 4, 3, 1, 3, 3, 3, 2, 4, 3, 5, 4, 3, 3, 3, 3, 3, 3, 3, 0, 1, 3, 0, 2, 0, 0, 1, 0, 0, 1, 0, 0, 4, 2, 0, 2, 3, 0, 3, 3, 0, 3, 3, 4, 2, 3, 1, 4, 0, 1, 2, 0, 2, 3),
+    (0, 3, 0, 3, 0, 1, 0, 3, 0, 2, 3, 3, 3, 0, 3, 1, 2, 0, 3, 3, 2, 3, 3, 2, 3, 2, 3, 1, 3, 0, 4, 3, 2, 0, 3, 3, 1, 4, 3, 3, 2, 3, 4, 3, 1, 3, 3, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 4, 1, 1, 0, 3, 0, 3, 1, 0, 2, 3, 3, 3, 3, 3, 1, 0, 0, 2, 0, 3, 3),
+    (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 2, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 0, 3, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 2, 0, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3),
+    (0, 2, 0, 3, 1, 3, 0, 3, 0, 2, 3, 3, 3, 1, 3, 1, 3, 1, 3, 1, 3, 3, 3, 1, 3, 0, 2, 3, 1, 1, 4, 3, 3, 2, 3, 3, 1, 2, 2, 4, 1, 3, 3, 0, 1, 4, 2, 3, 0, 1, 3, 0, 3, 0, 0, 1, 3, 0, 2, 0, 0, 3, 3, 2, 1, 3, 0, 3, 0, 2, 0, 3, 4, 4, 4, 3, 1, 0, 3, 0, 0, 3, 3),
+    (0, 2, 0, 1, 0, 2, 0, 0, 0, 1, 3, 2, 2, 1, 3, 0, 1, 1, 3, 0, 3, 2, 3, 1, 2, 0, 2, 0, 1, 1, 3, 3, 3, 0, 3, 3, 1, 1, 2, 3, 2, 3, 3, 1, 2, 3, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 3, 0, 1, 0, 0, 2, 1, 2, 1, 3, 0, 3, 0, 0, 0, 3, 4, 4, 4, 3, 2, 0, 2, 0, 0, 2, 4),
+    (0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 3, 1, 0, 0, 0, 0, 0, 0, 0, 3),
+    (0, 3, 0, 3, 0, 2, 0, 3, 0, 3, 3, 3, 2, 3, 2, 2, 2, 0, 3, 1, 3, 3, 3, 2, 3, 3, 0, 0, 3, 0, 3, 2, 2, 0, 2, 3, 1, 4, 3, 4, 3, 3, 2, 3, 1, 5, 4, 4, 0, 3, 1, 2, 1, 3, 0, 3, 1, 1, 2, 0, 2, 3, 1, 3, 1, 3, 0, 3, 0, 1, 0, 3, 3, 4, 4, 2, 1, 0, 2, 1, 0, 2, 4),
+    (0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 4, 2, 5, 1, 4, 0, 2, 0, 2, 1, 3, 1, 4, 0, 2, 1, 0, 0, 2, 1, 4, 1, 1, 0, 3, 3, 0, 5, 1, 3, 2, 3, 3, 1, 0, 3, 2, 3, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 4, 0, 1, 0, 3, 0, 2, 0, 1, 0, 3, 3, 3, 4, 3, 3, 0, 0, 0, 0, 2, 3),
+    (0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 1, 0, 0, 0, 0, 0, 3),
+    (0, 1, 0, 3, 0, 4, 0, 3, 0, 2, 4, 3, 1, 0, 3, 2, 2, 1, 3, 1, 2, 2, 3, 1, 1, 1, 2, 1, 3, 0, 1, 2, 0, 1, 3, 2, 1, 3, 0, 5, 5, 1, 0, 0, 1, 3, 2, 1, 0, 3, 0, 0, 1, 0, 0, 0, 0, 0, 3, 4, 0, 1, 1, 1, 3, 2, 0, 2, 0, 1, 0, 2, 3, 3, 1, 2, 3, 0, 1, 0, 1, 0, 4),
+    (0, 0, 0, 1, 0, 3, 0, 3, 0, 2, 2, 1, 0, 0, 4, 0, 3, 0, 3, 1, 3, 0, 3, 0, 3, 0, 1, 0, 3, 0, 3, 1, 3, 0, 3, 3, 0, 0, 1, 2, 1, 1, 1, 0, 1, 2, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 1, 2, 0, 0, 2, 0, 0, 0, 0, 2, 3, 3, 3, 3, 0, 0, 0, 0, 1, 4),
+    (0, 0, 0, 3, 0, 3, 0, 0, 0, 0, 3, 1, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 0, 2, 0, 2, 3, 0, 0, 2, 2, 3, 1, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 2, 0, 0, 0, 0, 2, 3),
+    (2, 4, 0, 5, 0, 5, 0, 4, 0, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 4, 4, 5, 4, 5, 5, 5, 2, 3, 0, 5, 5, 4, 1, 5, 4, 3, 1, 5, 4, 3, 4, 4, 3, 3, 4, 3, 3, 0, 3, 2, 0, 2, 3, 0, 3, 0, 0, 3, 3, 0, 5, 3, 2, 3, 3, 0, 3, 0, 3, 0, 3, 4, 5, 4, 5, 3, 0, 4, 3, 0, 3, 4),
+    (0, 3, 0, 3, 0, 3, 0, 3, 0, 3, 3, 4, 3, 2, 3, 2, 3, 0, 4, 3, 3, 3, 3, 3, 3, 3, 3, 0, 3, 2, 4, 3, 3, 1, 3, 4, 3, 4, 4, 4, 3, 4, 4, 3, 2, 4, 4, 1, 0, 2, 0, 0, 1, 1, 0, 2, 0, 0, 3, 1, 0, 5, 3, 2, 1, 3, 0, 3, 0, 1, 2, 4, 3, 2, 4, 3, 3, 0, 3, 2, 0, 4, 4),
+    (0, 3, 0, 3, 0, 1, 0, 0, 0, 1, 4, 3, 3, 2, 3, 1, 3, 1, 4, 2, 3, 2, 4, 2, 3, 4, 3, 0, 2, 2, 3, 3, 3, 0, 3, 3, 3, 0, 3, 4, 1, 3, 3, 0, 3, 4, 3, 3, 0, 1, 1, 0, 1, 0, 0, 0, 4, 0, 3, 0, 0, 3, 1, 2, 1, 3, 0, 4, 0, 1, 0, 4, 3, 3, 4, 3, 3, 0, 2, 0, 0, 3, 3),
+    (0, 3, 0, 4, 0, 1, 0, 3, 0, 3, 4, 3, 3, 0, 3, 3, 3, 1, 3, 1, 3, 3, 4, 3, 3, 3, 0, 0, 3, 1, 5, 3, 3, 1, 3, 3, 2, 5, 4, 3, 3, 4, 5, 3, 2, 5, 3, 4, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 1, 1, 0, 4, 2, 2, 1, 3, 0, 3, 0, 2, 0, 4, 4, 3, 5, 3, 2, 0, 1, 1, 0, 3, 4),
+    (0, 5, 0, 4, 0, 5, 0, 2, 0, 4, 4, 3, 3, 2, 3, 3, 3, 1, 4, 3, 4, 1, 5, 3, 4, 3, 4, 0, 4, 2, 4, 3, 4, 1, 5, 4, 0, 4, 4, 4, 4, 5, 4, 1, 3, 5, 4, 2, 1, 4, 1, 1, 3, 2, 0, 3, 1, 0, 3, 2, 1, 4, 3, 3, 3, 4, 0, 4, 0, 3, 0, 4, 4, 4, 3, 3, 3, 0, 4, 2, 0, 3, 4),
+    (1, 4, 0, 4, 0, 3, 0, 1, 0, 3, 3, 3, 1, 1, 3, 3, 2, 2, 3, 3, 1, 0, 3, 2, 2, 1, 2, 0, 3, 1, 2, 1, 2, 0, 3, 2, 0, 2, 2, 3, 3, 4, 3, 0, 3, 3, 1, 2, 0, 1, 1, 3, 1, 2, 0, 0, 3, 0, 1, 1, 0, 3, 2, 2, 3, 3, 0, 3, 0, 0, 0, 2, 3, 3, 4, 3, 3, 0, 1, 0, 0, 1, 4),
+    (0, 4, 0, 4, 0, 4, 0, 0, 0, 3, 4, 4, 3, 1, 4, 2, 3, 2, 3, 3, 3, 1, 4, 3, 4, 0, 3, 0, 4, 2, 3, 3, 2, 2, 5, 4, 2, 1, 3, 4, 3, 4, 3, 1, 3, 3, 4, 2, 0, 2, 1, 0, 3, 3, 0, 0, 2, 0, 3, 1, 0, 4, 4, 3, 4, 3, 0, 4, 0, 1, 0, 2, 4, 4, 4, 4, 4, 0, 3, 2, 0, 3, 3),
+    (0, 0, 0, 1, 0, 4, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 2, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2),
+    (0, 2, 0, 3, 0, 4, 0, 4, 0, 1, 3, 3, 3, 0, 4, 0, 2, 1, 2, 1, 1, 1, 2, 0, 3, 1, 1, 0, 1, 0, 3, 1, 0, 0, 3, 3, 2, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 2, 0, 2, 2, 0, 3, 1, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0, 3, 0, 0, 0, 0, 1, 0, 0, 3, 3, 4, 3, 1, 0, 1, 0, 3, 0, 2),
+    (0, 0, 0, 3, 0, 5, 0, 0, 0, 0, 1, 0, 2, 0, 3, 1, 0, 1, 3, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 4, 0, 0, 0, 2, 3, 0, 1, 4, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 3, 0, 0, 0, 0, 0, 3),
+    (0, 2, 0, 5, 0, 5, 0, 1, 0, 2, 4, 3, 3, 2, 5, 1, 3, 2, 3, 3, 3, 0, 4, 1, 2, 0, 3, 0, 4, 0, 2, 2, 1, 1, 5, 3, 0, 0, 1, 4, 2, 3, 2, 0, 3, 3, 3, 2, 0, 2, 4, 1, 1, 2, 0, 1, 1, 0, 3, 1, 0, 1, 3, 1, 2, 3, 0, 2, 0, 0, 0, 1, 3, 5, 4, 4, 4, 0, 3, 0, 0, 1, 3),
+    (0, 4, 0, 5, 0, 4, 0, 4, 0, 4, 5, 4, 3, 3, 4, 3, 3, 3, 4, 3, 4, 4, 5, 3, 4, 5, 4, 2, 4, 2, 3, 4, 3, 1, 4, 4, 1, 3, 5, 4, 4, 5, 5, 4, 4, 5, 5, 5, 2, 3, 3, 1, 4, 3, 1, 3, 3, 0, 3, 3, 1, 4, 3, 4, 4, 4, 0, 3, 0, 4, 0, 3, 3, 4, 4, 5, 0, 0, 4, 3, 0, 4, 5),
+    (0, 4, 0, 4, 0, 3, 0, 3, 0, 3, 4, 4, 4, 3, 3, 2, 4, 3, 4, 3, 4, 3, 5, 3, 4, 3, 2, 1, 4, 2, 4, 4, 3, 1, 3, 4, 2, 4, 5, 5, 3, 4, 5, 4, 1, 5, 4, 3, 0, 3, 2, 2, 3, 2, 1, 3, 1, 0, 3, 3, 3, 5, 3, 3, 3, 5, 4, 4, 2, 3, 3, 4, 3, 3, 3, 2, 1, 0, 3, 2, 1, 4, 3),
+    (0, 4, 0, 5, 0, 4, 0, 3, 0, 3, 5, 5, 3, 2, 4, 3, 4, 0, 5, 4, 4, 1, 4, 4, 4, 3, 3, 3, 4, 3, 5, 5, 2, 3, 3, 4, 1, 2, 5, 5, 3, 5, 5, 2, 3, 5, 5, 4, 0, 3, 2, 0, 3, 3, 1, 1, 5, 1, 4, 1, 0, 4, 3, 2, 3, 5, 0, 4, 0, 3, 0, 5, 4, 3, 4, 3, 0, 0, 4, 1, 0, 4, 4),
+    (1, 3, 0, 4, 0, 2, 0, 2, 0, 2, 5, 5, 3, 3, 3, 3, 3, 0, 4, 2, 3, 4, 4, 4, 3, 4, 0, 0, 3, 4, 5, 4, 3, 3, 3, 3, 2, 5, 5, 4, 5, 5, 5, 4, 3, 5, 5, 5, 1, 3, 1, 0, 1, 0, 0, 3, 2, 0, 4, 2, 0, 5, 2, 3, 2, 4, 1, 3, 0, 3, 0, 4, 5, 4, 5, 4, 3, 0, 4, 2, 0, 5, 4),
+    (0, 3, 0, 4, 0, 5, 0, 3, 0, 3, 4, 4, 3, 2, 3, 2, 3, 3, 3, 3, 3, 2, 4, 3, 3, 2, 2, 0, 3, 3, 3, 3, 3, 1, 3, 3, 3, 0, 4, 4, 3, 4, 4, 1, 1, 4, 4, 2, 0, 3, 1, 0, 1, 1, 0, 4, 1, 0, 2, 3, 1, 3, 3, 1, 3, 4, 0, 3, 0, 1, 0, 3, 1, 3, 0, 0, 1, 0, 2, 0, 0, 4, 4),
+    (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
+    (0, 3, 0, 3, 0, 2, 0, 3, 0, 1, 5, 4, 3, 3, 3, 1, 4, 2, 1, 2, 3, 4, 4, 2, 4, 4, 5, 0, 3, 1, 4, 3, 4, 0, 4, 3, 3, 3, 2, 3, 2, 5, 3, 4, 3, 2, 2, 3, 0, 0, 3, 0, 2, 1, 0, 1, 2, 0, 0, 0, 0, 2, 1, 1, 3, 1, 0, 2, 0, 4, 0, 3, 4, 4, 4, 5, 2, 0, 2, 0, 0, 1, 3),
+    (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 4, 2, 1, 1, 0, 1, 0, 3, 2, 0, 0, 3, 1, 1, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 4, 0, 4, 2, 1, 0, 0, 0, 0, 0, 1),
+    (0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 3, 1, 0, 0, 0, 2, 0, 2, 1, 0, 0, 1, 2, 1, 0, 1, 1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 1, 0, 0, 0, 0, 0, 1, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2),
+    (0, 4, 0, 4, 0, 4, 0, 3, 0, 4, 4, 3, 4, 2, 4, 3, 2, 0, 4, 4, 4, 3, 5, 3, 5, 3, 3, 2, 4, 2, 4, 3, 4, 3, 1, 4, 0, 2, 3, 4, 4, 4, 3, 3, 3, 4, 4, 4, 3, 4, 1, 3, 4, 3, 2, 1, 2, 1, 3, 3, 3, 4, 4, 3, 3, 5, 0, 4, 0, 3, 0, 4, 3, 3, 3, 2, 1, 0, 3, 0, 0, 3, 3),
+    (0, 4, 0, 3, 0, 3, 0, 3, 0, 3, 5, 5, 3, 3, 3, 3, 4, 3, 4, 3, 3, 3, 4, 4, 4, 3, 3, 3, 3, 4, 3, 5, 3, 3, 1, 3, 2, 4, 5, 5, 5, 5, 4, 3, 4, 5, 5, 3, 2, 2, 3, 3, 3, 3, 2, 3, 3, 1, 2, 3, 2, 4, 3, 3, 3, 4, 0, 4, 0, 2, 0, 4, 3, 2, 2, 1, 2, 0, 3, 0, 0, 4, 1),
+)
+# fmt: on
+
+
+class JapaneseContextAnalysis:
+    NUM_OF_CATEGORY = 6
+    DONT_KNOW = -1
+    ENOUGH_REL_THRESHOLD = 100
+    MAX_REL_THRESHOLD = 1000
+    MINIMUM_DATA_THRESHOLD = 4
+
+    def __init__(self) -> None:
+        self._total_rel = 0
+        self._rel_sample: List[int] = []
+        self._need_to_skip_char_num = 0
+        self._last_char_order = -1
+        self._done = False
+        self.reset()
+
+    def reset(self) -> None:
+        self._total_rel = 0  # total sequence received
+        # category counters, each integer counts sequence in its category
+        self._rel_sample = [0] * self.NUM_OF_CATEGORY
+        # if last byte in current buffer is not the last byte of a character,
+        # we need to know how many bytes to skip in next buffer
+        self._need_to_skip_char_num = 0
+        self._last_char_order = -1  # The order of previous char
+        # If this flag is set to True, detection is done and conclusion has
+        # been made
+        self._done = False
+
+    def feed(self, byte_str: Union[bytes, bytearray], num_bytes: int) -> None:
+        if self._done:
+            return
+
+        # The buffer we got is byte oriented, and a character may span in more than one
+        # buffers. In case the last one or two byte in last buffer is not
+        # complete, we record how many byte needed to complete that character
+        # and skip these bytes here.  We can choose to record those bytes as
+        # well and analyse the character once it is complete, but since a
+        # character will not make much difference, by simply skipping
+        # this character will simply our logic and improve performance.
+        i = self._need_to_skip_char_num
+        while i < num_bytes:
+            order, char_len = self.get_order(byte_str[i : i + 2])
+            i += char_len
+            if i > num_bytes:
+                self._need_to_skip_char_num = i - num_bytes
+                self._last_char_order = -1
+            else:
+                if (order != -1) and (self._last_char_order != -1):
+                    self._total_rel += 1
+                    if self._total_rel > self.MAX_REL_THRESHOLD:
+                        self._done = True
+                        break
+                    self._rel_sample[
+                        jp2_char_context[self._last_char_order][order]
+                    ] += 1
+                self._last_char_order = order
+
+    def got_enough_data(self) -> bool:
+        return self._total_rel > self.ENOUGH_REL_THRESHOLD
+
+    def get_confidence(self) -> float:
+        # This is just one way to calculate confidence. It works well for me.
+        if self._total_rel > self.MINIMUM_DATA_THRESHOLD:
+            return (self._total_rel - self._rel_sample[0]) / self._total_rel
+        return self.DONT_KNOW
+
+    def get_order(self, _: Union[bytes, bytearray]) -> Tuple[int, int]:
+        return -1, 1
+
+
+class SJISContextAnalysis(JapaneseContextAnalysis):
+    def __init__(self) -> None:
+        super().__init__()
+        self._charset_name = "SHIFT_JIS"
+
+    @property
+    def charset_name(self) -> str:
+        return self._charset_name
+
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> Tuple[int, int]:
+        if not byte_str:
+            return -1, 1
+        # find out current char's byte length
+        first_char = byte_str[0]
+        if (0x81 <= first_char <= 0x9F) or (0xE0 <= first_char <= 0xFC):
+            char_len = 2
+            if (first_char == 0x87) or (0xFA <= first_char <= 0xFC):
+                self._charset_name = "CP932"
+        else:
+            char_len = 1
+
+        # return its order if it is hiragana
+        if len(byte_str) > 1:
+            second_char = byte_str[1]
+            if (first_char == 202) and (0x9F <= second_char <= 0xF1):
+                return second_char - 0x9F, char_len
+
+        return -1, char_len
+
+
+class EUCJPContextAnalysis(JapaneseContextAnalysis):
+    def get_order(self, byte_str: Union[bytes, bytearray]) -> Tuple[int, int]:
+        if not byte_str:
+            return -1, 1
+        # find out current char's byte length
+        first_char = byte_str[0]
+        if (first_char == 0x8E) or (0xA1 <= first_char <= 0xFE):
+            char_len = 2
+        elif first_char == 0x8F:
+            char_len = 3
+        else:
+            char_len = 1
+
+        # return its order if it is hiragana
+        if len(byte_str) > 1:
+            second_char = byte_str[1]
+            if (first_char == 0xA4) and (0xA1 <= second_char <= 0xF3):
+                return second_char - 0xA1, char_len
+
+        return -1, char_len
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langbulgarianmodel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langbulgarianmodel.py
new file mode 100644
index 00000000..99466821
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langbulgarianmodel.py
@@ -0,0 +1,4649 @@
+from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel
+
+# 3: Positive
+# 2: Likely
+# 1: Unlikely
+# 0: Negative
+
+BULGARIAN_LANG_MODEL = {
+    63: {  # 'e'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 1,  # 'б'
+        9: 1,  # 'в'
+        20: 1,  # 'г'
+        11: 1,  # 'д'
+        3: 1,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 0,  # 'и'
+        26: 1,  # 'й'
+        12: 1,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 1,  # 'о'
+        13: 1,  # 'п'
+        7: 1,  # 'р'
+        8: 1,  # 'с'
+        5: 1,  # 'т'
+        19: 0,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    45: {  # '\xad'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 0,  # 'Л'
+        38: 1,  # 'М'
+        36: 0,  # 'Н'
+        41: 1,  # 'О'
+        30: 1,  # 'П'
+        39: 1,  # 'Р'
+        28: 1,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 0,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 0,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 0,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    31: {  # 'А'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 1,  # 'А'
+        32: 1,  # 'Б'
+        35: 2,  # 'В'
+        43: 1,  # 'Г'
+        37: 2,  # 'Д'
+        44: 2,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 2,  # 'З'
+        40: 1,  # 'И'
+        59: 1,  # 'Й'
+        33: 1,  # 'К'
+        46: 2,  # 'Л'
+        38: 1,  # 'М'
+        36: 2,  # 'Н'
+        41: 1,  # 'О'
+        30: 2,  # 'П'
+        39: 2,  # 'Р'
+        28: 2,  # 'С'
+        34: 2,  # 'Т'
+        51: 1,  # 'У'
+        48: 2,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 2,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 1,  # 'а'
+        18: 2,  # 'б'
+        9: 2,  # 'в'
+        20: 2,  # 'г'
+        11: 2,  # 'д'
+        3: 1,  # 'е'
+        23: 1,  # 'ж'
+        15: 2,  # 'з'
+        2: 0,  # 'и'
+        26: 2,  # 'й'
+        12: 2,  # 'к'
+        10: 3,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 0,  # 'о'
+        13: 2,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 2,  # 'т'
+        19: 1,  # 'у'
+        29: 2,  # 'ф'
+        25: 1,  # 'х'
+        22: 1,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    32: {  # 'Б'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 2,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 2,  # 'Д'
+        44: 1,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 2,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 2,  # 'Н'
+        41: 2,  # 'О'
+        30: 1,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 2,  # 'Т'
+        51: 1,  # 'У'
+        48: 2,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 1,  # 'Щ'
+        61: 2,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 2,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 2,  # 'р'
+        8: 1,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 2,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    35: {  # 'В'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 2,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 1,  # 'П'
+        39: 2,  # 'Р'
+        28: 2,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 2,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 2,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 2,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 2,  # 'н'
+        4: 2,  # 'о'
+        13: 1,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 2,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 2,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    43: {  # 'Г'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 2,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 0,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 0,  # 'П'
+        39: 1,  # 'Р'
+        28: 1,  # 'С'
+        34: 0,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 1,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 1,  # 'б'
+        9: 1,  # 'в'
+        20: 0,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 2,  # 'о'
+        13: 0,  # 'п'
+        7: 2,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 1,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    37: {  # 'Д'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 2,  # 'В'
+        43: 1,  # 'Г'
+        37: 2,  # 'Д'
+        44: 2,  # 'Е'
+        55: 2,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 2,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 2,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 3,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 2,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 2,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    44: {  # 'Е'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 1,  # 'Б'
+        35: 2,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 1,  # 'З'
+        40: 1,  # 'И'
+        59: 1,  # 'Й'
+        33: 2,  # 'К'
+        46: 2,  # 'Л'
+        38: 1,  # 'М'
+        36: 2,  # 'Н'
+        41: 2,  # 'О'
+        30: 1,  # 'П'
+        39: 2,  # 'Р'
+        28: 2,  # 'С'
+        34: 2,  # 'Т'
+        51: 1,  # 'У'
+        48: 2,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 2,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 1,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 0,  # 'а'
+        18: 1,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 2,  # 'д'
+        3: 0,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 0,  # 'и'
+        26: 1,  # 'й'
+        12: 2,  # 'к'
+        10: 2,  # 'л'
+        14: 2,  # 'м'
+        6: 2,  # 'н'
+        4: 0,  # 'о'
+        13: 1,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 1,  # 'т'
+        19: 1,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    55: {  # 'Ж'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 0,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 1,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 1,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 2,  # 'о'
+        13: 1,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    47: {  # 'З'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 2,  # 'Н'
+        41: 1,  # 'О'
+        30: 1,  # 'П'
+        39: 1,  # 'Р'
+        28: 1,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 0,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 2,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 1,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 1,  # 'о'
+        13: 0,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    40: {  # 'И'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 1,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 2,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 2,  # 'З'
+        40: 1,  # 'И'
+        59: 1,  # 'Й'
+        33: 2,  # 'К'
+        46: 2,  # 'Л'
+        38: 2,  # 'М'
+        36: 2,  # 'Н'
+        41: 1,  # 'О'
+        30: 1,  # 'П'
+        39: 2,  # 'Р'
+        28: 2,  # 'С'
+        34: 2,  # 'Т'
+        51: 0,  # 'У'
+        48: 1,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 1,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 2,  # 'Я'
+        1: 1,  # 'а'
+        18: 1,  # 'б'
+        9: 3,  # 'в'
+        20: 2,  # 'г'
+        11: 1,  # 'д'
+        3: 1,  # 'е'
+        23: 0,  # 'ж'
+        15: 3,  # 'з'
+        2: 0,  # 'и'
+        26: 1,  # 'й'
+        12: 1,  # 'к'
+        10: 2,  # 'л'
+        14: 2,  # 'м'
+        6: 2,  # 'н'
+        4: 0,  # 'о'
+        13: 1,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 2,  # 'т'
+        19: 0,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 1,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    59: {  # 'Й'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 1,  # 'С'
+        34: 1,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 0,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 1,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 0,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 2,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    33: {  # 'К'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 0,  # 'М'
+        36: 2,  # 'Н'
+        41: 2,  # 'О'
+        30: 2,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 1,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 2,  # 'е'
+        23: 1,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 2,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 3,  # 'р'
+        8: 1,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    46: {  # 'Л'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 2,  # 'Г'
+        37: 1,  # 'Д'
+        44: 2,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 0,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 1,  # 'П'
+        39: 0,  # 'Р'
+        28: 1,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 0,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 1,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 2,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    38: {  # 'М'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 2,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 1,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 2,  # 'л'
+        14: 0,  # 'м'
+        6: 2,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    36: {  # 'Н'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 2,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 2,  # 'Д'
+        44: 2,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 1,  # 'Й'
+        33: 2,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 1,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 2,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 1,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 0,  # 'с'
+        5: 1,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 2,  # 'ю'
+        16: 2,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    41: {  # 'О'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 1,  # 'Б'
+        35: 2,  # 'В'
+        43: 1,  # 'Г'
+        37: 2,  # 'Д'
+        44: 1,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 1,  # 'З'
+        40: 1,  # 'И'
+        59: 1,  # 'Й'
+        33: 2,  # 'К'
+        46: 2,  # 'Л'
+        38: 2,  # 'М'
+        36: 2,  # 'Н'
+        41: 2,  # 'О'
+        30: 1,  # 'П'
+        39: 2,  # 'Р'
+        28: 2,  # 'С'
+        34: 2,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 1,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 1,  # 'а'
+        18: 2,  # 'б'
+        9: 2,  # 'в'
+        20: 2,  # 'г'
+        11: 1,  # 'д'
+        3: 1,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 0,  # 'и'
+        26: 1,  # 'й'
+        12: 2,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 0,  # 'о'
+        13: 2,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 3,  # 'т'
+        19: 1,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 1,  # 'ц'
+        21: 2,  # 'ч'
+        27: 0,  # 'ш'
+        24: 2,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    30: {  # 'П'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 2,  # 'П'
+        39: 2,  # 'Р'
+        28: 2,  # 'С'
+        34: 1,  # 'Т'
+        51: 2,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 2,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 3,  # 'л'
+        14: 0,  # 'м'
+        6: 1,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 3,  # 'р'
+        8: 1,  # 'с'
+        5: 1,  # 'т'
+        19: 2,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    39: {  # 'Р'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 2,  # 'Г'
+        37: 2,  # 'Д'
+        44: 2,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 0,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 2,  # 'П'
+        39: 1,  # 'Р'
+        28: 1,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 1,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 1,  # 'с'
+        5: 0,  # 'т'
+        19: 3,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    28: {  # 'С'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 3,  # 'А'
+        32: 2,  # 'Б'
+        35: 2,  # 'В'
+        43: 1,  # 'Г'
+        37: 2,  # 'Д'
+        44: 2,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 1,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 2,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 2,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 2,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 1,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 2,  # 'к'
+        10: 3,  # 'л'
+        14: 2,  # 'м'
+        6: 1,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 2,  # 'р'
+        8: 0,  # 'с'
+        5: 3,  # 'т'
+        19: 2,  # 'у'
+        29: 2,  # 'ф'
+        25: 1,  # 'х'
+        22: 1,  # 'ц'
+        21: 1,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    34: {  # 'Т'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 2,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 2,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 2,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 2,  # 'О'
+        30: 1,  # 'П'
+        39: 2,  # 'Р'
+        28: 2,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 1,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 1,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 1,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 1,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 3,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 2,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    51: {  # 'У'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 1,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 2,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 1,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 0,  # 'О'
+        30: 1,  # 'П'
+        39: 1,  # 'Р'
+        28: 1,  # 'С'
+        34: 2,  # 'Т'
+        51: 0,  # 'У'
+        48: 1,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 1,  # 'а'
+        18: 1,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 1,  # 'д'
+        3: 2,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 2,  # 'и'
+        26: 1,  # 'й'
+        12: 2,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 2,  # 'н'
+        4: 2,  # 'о'
+        13: 1,  # 'п'
+        7: 1,  # 'р'
+        8: 2,  # 'с'
+        5: 1,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 2,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    48: {  # 'Ф'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 0,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 2,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 1,  # 'Т'
+        51: 1,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 2,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 2,  # 'о'
+        13: 0,  # 'п'
+        7: 2,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    49: {  # 'Х'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 0,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 1,  # 'П'
+        39: 1,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 1,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 0,  # 'н'
+        4: 2,  # 'о'
+        13: 0,  # 'п'
+        7: 2,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    53: {  # 'Ц'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 0,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 2,  # 'И'
+        59: 0,  # 'Й'
+        33: 2,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 1,  # 'Р'
+        28: 2,  # 'С'
+        34: 0,  # 'Т'
+        51: 1,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 2,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 1,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 1,  # 'о'
+        13: 0,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    50: {  # 'Ч'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 2,  # 'А'
+        32: 1,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 0,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 1,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 1,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 2,  # 'о'
+        13: 0,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    54: {  # 'Ш'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 1,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 1,  # 'Н'
+        41: 1,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 1,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 2,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 2,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 2,  # 'о'
+        13: 1,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    57: {  # 'Щ'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 1,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 1,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 1,  # 'о'
+        13: 0,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 1,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    61: {  # 'Ъ'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 1,  # 'Д'
+        44: 0,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 1,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 2,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 0,  # 'О'
+        30: 1,  # 'П'
+        39: 2,  # 'Р'
+        28: 1,  # 'С'
+        34: 1,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 1,  # 'Х'
+        53: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        54: 1,  # 'Ш'
+        57: 1,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 0,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 0,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 1,  # 'л'
+        14: 0,  # 'м'
+        6: 1,  # 'н'
+        4: 0,  # 'о'
+        13: 0,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    60: {  # 'Ю'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 1,  # 'Б'
+        35: 0,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 0,  # 'Е'
+        55: 1,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 0,  # 'М'
+        36: 1,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 1,  # 'Р'
+        28: 1,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 1,  # 'б'
+        9: 1,  # 'в'
+        20: 2,  # 'г'
+        11: 1,  # 'д'
+        3: 0,  # 'е'
+        23: 2,  # 'ж'
+        15: 1,  # 'з'
+        2: 1,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 0,  # 'о'
+        13: 1,  # 'п'
+        7: 1,  # 'р'
+        8: 1,  # 'с'
+        5: 1,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    56: {  # 'Я'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 1,  # 'Б'
+        35: 1,  # 'В'
+        43: 1,  # 'Г'
+        37: 1,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 1,  # 'Л'
+        38: 1,  # 'М'
+        36: 1,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 1,  # 'С'
+        34: 2,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 1,  # 'б'
+        9: 1,  # 'в'
+        20: 1,  # 'г'
+        11: 1,  # 'д'
+        3: 0,  # 'е'
+        23: 0,  # 'ж'
+        15: 1,  # 'з'
+        2: 1,  # 'и'
+        26: 1,  # 'й'
+        12: 1,  # 'к'
+        10: 1,  # 'л'
+        14: 2,  # 'м'
+        6: 2,  # 'н'
+        4: 0,  # 'о'
+        13: 2,  # 'п'
+        7: 1,  # 'р'
+        8: 1,  # 'с'
+        5: 1,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    1: {  # 'а'
+        63: 1,  # 'e'
+        45: 1,  # '\xad'
+        31: 1,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 1,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 1,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 3,  # 'ж'
+        15: 3,  # 'з'
+        2: 3,  # 'и'
+        26: 3,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 2,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 3,  # 'ф'
+        25: 3,  # 'х'
+        22: 3,  # 'ц'
+        21: 3,  # 'ч'
+        27: 3,  # 'ш'
+        24: 3,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    18: {  # 'б'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 3,  # 'в'
+        20: 1,  # 'г'
+        11: 2,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 3,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 1,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 0,  # 'т'
+        19: 3,  # 'у'
+        29: 0,  # 'ф'
+        25: 2,  # 'х'
+        22: 1,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 3,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    9: {  # 'в'
+        63: 1,  # 'e'
+        45: 1,  # '\xad'
+        31: 0,  # 'А'
+        32: 1,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 0,  # 'в'
+        20: 2,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 3,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 2,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 3,  # 'ч'
+        27: 2,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    20: {  # 'г'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 2,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 3,  # 'л'
+        14: 1,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 1,  # 'п'
+        7: 3,  # 'р'
+        8: 2,  # 'с'
+        5: 2,  # 'т'
+        19: 3,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    11: {  # 'д'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 2,  # 'б'
+        9: 3,  # 'в'
+        20: 2,  # 'г'
+        11: 2,  # 'д'
+        3: 3,  # 'е'
+        23: 3,  # 'ж'
+        15: 2,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 1,  # 'т'
+        19: 3,  # 'у'
+        29: 1,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    3: {  # 'е'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 2,  # 'е'
+        23: 3,  # 'ж'
+        15: 3,  # 'з'
+        2: 2,  # 'и'
+        26: 3,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 2,  # 'у'
+        29: 3,  # 'ф'
+        25: 3,  # 'х'
+        22: 3,  # 'ц'
+        21: 3,  # 'ч'
+        27: 3,  # 'ш'
+        24: 3,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    23: {  # 'ж'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 2,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 3,  # 'н'
+        4: 2,  # 'о'
+        13: 1,  # 'п'
+        7: 1,  # 'р'
+        8: 1,  # 'с'
+        5: 1,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 1,  # 'ц'
+        21: 1,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    15: {  # 'з'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 1,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 2,  # 'ш'
+        24: 1,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 2,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    2: {  # 'и'
+        63: 1,  # 'e'
+        45: 1,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 1,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 1,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 1,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 1,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 3,  # 'ж'
+        15: 3,  # 'з'
+        2: 3,  # 'и'
+        26: 3,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 2,  # 'у'
+        29: 3,  # 'ф'
+        25: 3,  # 'х'
+        22: 3,  # 'ц'
+        21: 3,  # 'ч'
+        27: 3,  # 'ш'
+        24: 3,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    26: {  # 'й'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 1,  # 'а'
+        18: 2,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 2,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 2,  # 'з'
+        2: 1,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 2,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 2,  # 'о'
+        13: 1,  # 'п'
+        7: 2,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 1,  # 'у'
+        29: 2,  # 'ф'
+        25: 1,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    12: {  # 'к'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 1,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 1,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 3,  # 'в'
+        20: 2,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 2,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 3,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 1,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 3,  # 'ц'
+        21: 2,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    10: {  # 'л'
+        63: 1,  # 'e'
+        45: 1,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 1,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 2,  # 'д'
+        3: 3,  # 'е'
+        23: 3,  # 'ж'
+        15: 2,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 1,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 2,  # 'п'
+        7: 2,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 2,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 2,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 2,  # 'ь'
+        42: 3,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    14: {  # 'м'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 1,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 1,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 2,  # 'к'
+        10: 3,  # 'л'
+        14: 1,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 1,  # 'т'
+        19: 3,  # 'у'
+        29: 2,  # 'ф'
+        25: 1,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 2,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    6: {  # 'н'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 1,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 2,  # 'б'
+        9: 2,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 2,  # 'ж'
+        15: 2,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 1,  # 'п'
+        7: 2,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 3,  # 'ф'
+        25: 2,  # 'х'
+        22: 3,  # 'ц'
+        21: 3,  # 'ч'
+        27: 2,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 2,  # 'ь'
+        42: 2,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    4: {  # 'о'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 2,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 3,  # 'ж'
+        15: 3,  # 'з'
+        2: 3,  # 'и'
+        26: 3,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 2,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 2,  # 'у'
+        29: 3,  # 'ф'
+        25: 3,  # 'х'
+        22: 3,  # 'ц'
+        21: 3,  # 'ч'
+        27: 3,  # 'ш'
+        24: 3,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    13: {  # 'п'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 1,  # 'й'
+        12: 2,  # 'к'
+        10: 3,  # 'л'
+        14: 1,  # 'м'
+        6: 2,  # 'н'
+        4: 3,  # 'о'
+        13: 1,  # 'п'
+        7: 3,  # 'р'
+        8: 2,  # 'с'
+        5: 2,  # 'т'
+        19: 3,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 2,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    7: {  # 'р'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 3,  # 'е'
+        23: 3,  # 'ж'
+        15: 2,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 2,  # 'п'
+        7: 1,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 2,  # 'ф'
+        25: 3,  # 'х'
+        22: 3,  # 'ц'
+        21: 2,  # 'ч'
+        27: 3,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 2,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    8: {  # 'с'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 2,  # 'б'
+        9: 3,  # 'в'
+        20: 2,  # 'г'
+        11: 2,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 1,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 2,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 2,  # 'ш'
+        24: 0,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 2,  # 'ь'
+        42: 2,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    5: {  # 'т'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 2,  # 'г'
+        11: 2,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 2,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 3,  # 'у'
+        29: 1,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 2,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 3,  # 'ъ'
+        52: 2,  # 'ь'
+        42: 2,  # 'ю'
+        16: 3,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    19: {  # 'у'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 2,  # 'е'
+        23: 3,  # 'ж'
+        15: 3,  # 'з'
+        2: 2,  # 'и'
+        26: 2,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 2,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 1,  # 'у'
+        29: 2,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 3,  # 'ч'
+        27: 3,  # 'ш'
+        24: 2,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    29: {  # 'ф'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 1,  # 'в'
+        20: 1,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 2,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 2,  # 'т'
+        19: 2,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 2,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    25: {  # 'х'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 3,  # 'в'
+        20: 0,  # 'г'
+        11: 1,  # 'д'
+        3: 2,  # 'е'
+        23: 0,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 2,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 1,  # 'п'
+        7: 3,  # 'р'
+        8: 1,  # 'с'
+        5: 2,  # 'т'
+        19: 3,  # 'у'
+        29: 0,  # 'ф'
+        25: 1,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    22: {  # 'ц'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 2,  # 'в'
+        20: 1,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 1,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 2,  # 'к'
+        10: 1,  # 'л'
+        14: 1,  # 'м'
+        6: 1,  # 'н'
+        4: 2,  # 'о'
+        13: 1,  # 'п'
+        7: 1,  # 'р'
+        8: 1,  # 'с'
+        5: 1,  # 'т'
+        19: 2,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 1,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 0,  # 'ю'
+        16: 2,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    21: {  # 'ч'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 1,  # 'б'
+        9: 3,  # 'в'
+        20: 1,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 1,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 2,  # 'л'
+        14: 2,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 2,  # 'р'
+        8: 0,  # 'с'
+        5: 2,  # 'т'
+        19: 3,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 1,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    27: {  # 'ш'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 2,  # 'в'
+        20: 0,  # 'г'
+        11: 1,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 3,  # 'к'
+        10: 2,  # 'л'
+        14: 1,  # 'м'
+        6: 3,  # 'н'
+        4: 2,  # 'о'
+        13: 2,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 1,  # 'т'
+        19: 2,  # 'у'
+        29: 1,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 1,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 2,  # 'ъ'
+        52: 1,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    24: {  # 'щ'
+        63: 1,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 3,  # 'а'
+        18: 0,  # 'б'
+        9: 1,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 3,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 3,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 2,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 1,  # 'р'
+        8: 0,  # 'с'
+        5: 2,  # 'т'
+        19: 3,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 1,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 2,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    17: {  # 'ъ'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 1,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 3,  # 'г'
+        11: 3,  # 'д'
+        3: 2,  # 'е'
+        23: 3,  # 'ж'
+        15: 3,  # 'з'
+        2: 1,  # 'и'
+        26: 2,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 3,  # 'о'
+        13: 3,  # 'п'
+        7: 3,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 1,  # 'у'
+        29: 1,  # 'ф'
+        25: 2,  # 'х'
+        22: 2,  # 'ц'
+        21: 3,  # 'ч'
+        27: 2,  # 'ш'
+        24: 3,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 2,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    52: {  # 'ь'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 1,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 0,  # 'и'
+        26: 0,  # 'й'
+        12: 1,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 1,  # 'н'
+        4: 3,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 0,  # 'с'
+        5: 1,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 1,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 1,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    42: {  # 'ю'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 1,  # 'а'
+        18: 2,  # 'б'
+        9: 1,  # 'в'
+        20: 2,  # 'г'
+        11: 2,  # 'д'
+        3: 1,  # 'е'
+        23: 2,  # 'ж'
+        15: 2,  # 'з'
+        2: 1,  # 'и'
+        26: 1,  # 'й'
+        12: 2,  # 'к'
+        10: 2,  # 'л'
+        14: 2,  # 'м'
+        6: 2,  # 'н'
+        4: 1,  # 'о'
+        13: 1,  # 'п'
+        7: 2,  # 'р'
+        8: 2,  # 'с'
+        5: 2,  # 'т'
+        19: 1,  # 'у'
+        29: 1,  # 'ф'
+        25: 1,  # 'х'
+        22: 2,  # 'ц'
+        21: 3,  # 'ч'
+        27: 1,  # 'ш'
+        24: 1,  # 'щ'
+        17: 1,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    16: {  # 'я'
+        63: 0,  # 'e'
+        45: 1,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 3,  # 'б'
+        9: 3,  # 'в'
+        20: 2,  # 'г'
+        11: 3,  # 'д'
+        3: 2,  # 'е'
+        23: 1,  # 'ж'
+        15: 2,  # 'з'
+        2: 1,  # 'и'
+        26: 2,  # 'й'
+        12: 3,  # 'к'
+        10: 3,  # 'л'
+        14: 3,  # 'м'
+        6: 3,  # 'н'
+        4: 1,  # 'о'
+        13: 2,  # 'п'
+        7: 2,  # 'р'
+        8: 3,  # 'с'
+        5: 3,  # 'т'
+        19: 1,  # 'у'
+        29: 1,  # 'ф'
+        25: 3,  # 'х'
+        22: 2,  # 'ц'
+        21: 1,  # 'ч'
+        27: 1,  # 'ш'
+        24: 2,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 1,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    58: {  # 'є'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 0,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 0,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 0,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+    62: {  # '№'
+        63: 0,  # 'e'
+        45: 0,  # '\xad'
+        31: 0,  # 'А'
+        32: 0,  # 'Б'
+        35: 0,  # 'В'
+        43: 0,  # 'Г'
+        37: 0,  # 'Д'
+        44: 0,  # 'Е'
+        55: 0,  # 'Ж'
+        47: 0,  # 'З'
+        40: 0,  # 'И'
+        59: 0,  # 'Й'
+        33: 0,  # 'К'
+        46: 0,  # 'Л'
+        38: 0,  # 'М'
+        36: 0,  # 'Н'
+        41: 0,  # 'О'
+        30: 0,  # 'П'
+        39: 0,  # 'Р'
+        28: 0,  # 'С'
+        34: 0,  # 'Т'
+        51: 0,  # 'У'
+        48: 0,  # 'Ф'
+        49: 0,  # 'Х'
+        53: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        54: 0,  # 'Ш'
+        57: 0,  # 'Щ'
+        61: 0,  # 'Ъ'
+        60: 0,  # 'Ю'
+        56: 0,  # 'Я'
+        1: 0,  # 'а'
+        18: 0,  # 'б'
+        9: 0,  # 'в'
+        20: 0,  # 'г'
+        11: 0,  # 'д'
+        3: 0,  # 'е'
+        23: 0,  # 'ж'
+        15: 0,  # 'з'
+        2: 0,  # 'и'
+        26: 0,  # 'й'
+        12: 0,  # 'к'
+        10: 0,  # 'л'
+        14: 0,  # 'м'
+        6: 0,  # 'н'
+        4: 0,  # 'о'
+        13: 0,  # 'п'
+        7: 0,  # 'р'
+        8: 0,  # 'с'
+        5: 0,  # 'т'
+        19: 0,  # 'у'
+        29: 0,  # 'ф'
+        25: 0,  # 'х'
+        22: 0,  # 'ц'
+        21: 0,  # 'ч'
+        27: 0,  # 'ш'
+        24: 0,  # 'щ'
+        17: 0,  # 'ъ'
+        52: 0,  # 'ь'
+        42: 0,  # 'ю'
+        16: 0,  # 'я'
+        58: 0,  # 'є'
+        62: 0,  # '№'
+    },
+}
+
+# 255: Undefined characters that did not exist in training text
+# 254: Carriage/Return
+# 253: symbol (punctuation) that does not belong to word
+# 252: 0 - 9
+# 251: Control characters
+
+# Character Mapping Table(s):
+ISO_8859_5_BULGARIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 77,  # 'A'
+    66: 90,  # 'B'
+    67: 99,  # 'C'
+    68: 100,  # 'D'
+    69: 72,  # 'E'
+    70: 109,  # 'F'
+    71: 107,  # 'G'
+    72: 101,  # 'H'
+    73: 79,  # 'I'
+    74: 185,  # 'J'
+    75: 81,  # 'K'
+    76: 102,  # 'L'
+    77: 76,  # 'M'
+    78: 94,  # 'N'
+    79: 82,  # 'O'
+    80: 110,  # 'P'
+    81: 186,  # 'Q'
+    82: 108,  # 'R'
+    83: 91,  # 'S'
+    84: 74,  # 'T'
+    85: 119,  # 'U'
+    86: 84,  # 'V'
+    87: 96,  # 'W'
+    88: 111,  # 'X'
+    89: 187,  # 'Y'
+    90: 115,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 65,  # 'a'
+    98: 69,  # 'b'
+    99: 70,  # 'c'
+    100: 66,  # 'd'
+    101: 63,  # 'e'
+    102: 68,  # 'f'
+    103: 112,  # 'g'
+    104: 103,  # 'h'
+    105: 92,  # 'i'
+    106: 194,  # 'j'
+    107: 104,  # 'k'
+    108: 95,  # 'l'
+    109: 86,  # 'm'
+    110: 87,  # 'n'
+    111: 71,  # 'o'
+    112: 116,  # 'p'
+    113: 195,  # 'q'
+    114: 85,  # 'r'
+    115: 93,  # 's'
+    116: 97,  # 't'
+    117: 113,  # 'u'
+    118: 196,  # 'v'
+    119: 197,  # 'w'
+    120: 198,  # 'x'
+    121: 199,  # 'y'
+    122: 200,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 194,  # '\x80'
+    129: 195,  # '\x81'
+    130: 196,  # '\x82'
+    131: 197,  # '\x83'
+    132: 198,  # '\x84'
+    133: 199,  # '\x85'
+    134: 200,  # '\x86'
+    135: 201,  # '\x87'
+    136: 202,  # '\x88'
+    137: 203,  # '\x89'
+    138: 204,  # '\x8a'
+    139: 205,  # '\x8b'
+    140: 206,  # '\x8c'
+    141: 207,  # '\x8d'
+    142: 208,  # '\x8e'
+    143: 209,  # '\x8f'
+    144: 210,  # '\x90'
+    145: 211,  # '\x91'
+    146: 212,  # '\x92'
+    147: 213,  # '\x93'
+    148: 214,  # '\x94'
+    149: 215,  # '\x95'
+    150: 216,  # '\x96'
+    151: 217,  # '\x97'
+    152: 218,  # '\x98'
+    153: 219,  # '\x99'
+    154: 220,  # '\x9a'
+    155: 221,  # '\x9b'
+    156: 222,  # '\x9c'
+    157: 223,  # '\x9d'
+    158: 224,  # '\x9e'
+    159: 225,  # '\x9f'
+    160: 81,  # '\xa0'
+    161: 226,  # 'Ё'
+    162: 227,  # 'Ђ'
+    163: 228,  # 'Ѓ'
+    164: 229,  # 'Є'
+    165: 230,  # 'Ѕ'
+    166: 105,  # 'І'
+    167: 231,  # 'Ї'
+    168: 232,  # 'Ј'
+    169: 233,  # 'Љ'
+    170: 234,  # 'Њ'
+    171: 235,  # 'Ћ'
+    172: 236,  # 'Ќ'
+    173: 45,  # '\xad'
+    174: 237,  # 'Ў'
+    175: 238,  # 'Џ'
+    176: 31,  # 'А'
+    177: 32,  # 'Б'
+    178: 35,  # 'В'
+    179: 43,  # 'Г'
+    180: 37,  # 'Д'
+    181: 44,  # 'Е'
+    182: 55,  # 'Ж'
+    183: 47,  # 'З'
+    184: 40,  # 'И'
+    185: 59,  # 'Й'
+    186: 33,  # 'К'
+    187: 46,  # 'Л'
+    188: 38,  # 'М'
+    189: 36,  # 'Н'
+    190: 41,  # 'О'
+    191: 30,  # 'П'
+    192: 39,  # 'Р'
+    193: 28,  # 'С'
+    194: 34,  # 'Т'
+    195: 51,  # 'У'
+    196: 48,  # 'Ф'
+    197: 49,  # 'Х'
+    198: 53,  # 'Ц'
+    199: 50,  # 'Ч'
+    200: 54,  # 'Ш'
+    201: 57,  # 'Щ'
+    202: 61,  # 'Ъ'
+    203: 239,  # 'Ы'
+    204: 67,  # 'Ь'
+    205: 240,  # 'Э'
+    206: 60,  # 'Ю'
+    207: 56,  # 'Я'
+    208: 1,  # 'а'
+    209: 18,  # 'б'
+    210: 9,  # 'в'
+    211: 20,  # 'г'
+    212: 11,  # 'д'
+    213: 3,  # 'е'
+    214: 23,  # 'ж'
+    215: 15,  # 'з'
+    216: 2,  # 'и'
+    217: 26,  # 'й'
+    218: 12,  # 'к'
+    219: 10,  # 'л'
+    220: 14,  # 'м'
+    221: 6,  # 'н'
+    222: 4,  # 'о'
+    223: 13,  # 'п'
+    224: 7,  # 'р'
+    225: 8,  # 'с'
+    226: 5,  # 'т'
+    227: 19,  # 'у'
+    228: 29,  # 'ф'
+    229: 25,  # 'х'
+    230: 22,  # 'ц'
+    231: 21,  # 'ч'
+    232: 27,  # 'ш'
+    233: 24,  # 'щ'
+    234: 17,  # 'ъ'
+    235: 75,  # 'ы'
+    236: 52,  # 'ь'
+    237: 241,  # 'э'
+    238: 42,  # 'ю'
+    239: 16,  # 'я'
+    240: 62,  # '№'
+    241: 242,  # 'ё'
+    242: 243,  # 'ђ'
+    243: 244,  # 'ѓ'
+    244: 58,  # 'є'
+    245: 245,  # 'ѕ'
+    246: 98,  # 'і'
+    247: 246,  # 'ї'
+    248: 247,  # 'ј'
+    249: 248,  # 'љ'
+    250: 249,  # 'њ'
+    251: 250,  # 'ћ'
+    252: 251,  # 'ќ'
+    253: 91,  # '§'
+    254: 252,  # 'ў'
+    255: 253,  # 'џ'
+}
+
+ISO_8859_5_BULGARIAN_MODEL = SingleByteCharSetModel(
+    charset_name="ISO-8859-5",
+    language="Bulgarian",
+    char_to_order_map=ISO_8859_5_BULGARIAN_CHAR_TO_ORDER,
+    language_model=BULGARIAN_LANG_MODEL,
+    typical_positive_ratio=0.969392,
+    keep_ascii_letters=False,
+    alphabet="АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЮЯабвгдежзийклмнопрстуфхцчшщъьюя",
+)
+
+WINDOWS_1251_BULGARIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 77,  # 'A'
+    66: 90,  # 'B'
+    67: 99,  # 'C'
+    68: 100,  # 'D'
+    69: 72,  # 'E'
+    70: 109,  # 'F'
+    71: 107,  # 'G'
+    72: 101,  # 'H'
+    73: 79,  # 'I'
+    74: 185,  # 'J'
+    75: 81,  # 'K'
+    76: 102,  # 'L'
+    77: 76,  # 'M'
+    78: 94,  # 'N'
+    79: 82,  # 'O'
+    80: 110,  # 'P'
+    81: 186,  # 'Q'
+    82: 108,  # 'R'
+    83: 91,  # 'S'
+    84: 74,  # 'T'
+    85: 119,  # 'U'
+    86: 84,  # 'V'
+    87: 96,  # 'W'
+    88: 111,  # 'X'
+    89: 187,  # 'Y'
+    90: 115,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 65,  # 'a'
+    98: 69,  # 'b'
+    99: 70,  # 'c'
+    100: 66,  # 'd'
+    101: 63,  # 'e'
+    102: 68,  # 'f'
+    103: 112,  # 'g'
+    104: 103,  # 'h'
+    105: 92,  # 'i'
+    106: 194,  # 'j'
+    107: 104,  # 'k'
+    108: 95,  # 'l'
+    109: 86,  # 'm'
+    110: 87,  # 'n'
+    111: 71,  # 'o'
+    112: 116,  # 'p'
+    113: 195,  # 'q'
+    114: 85,  # 'r'
+    115: 93,  # 's'
+    116: 97,  # 't'
+    117: 113,  # 'u'
+    118: 196,  # 'v'
+    119: 197,  # 'w'
+    120: 198,  # 'x'
+    121: 199,  # 'y'
+    122: 200,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 206,  # 'Ђ'
+    129: 207,  # 'Ѓ'
+    130: 208,  # '‚'
+    131: 209,  # 'ѓ'
+    132: 210,  # '„'
+    133: 211,  # '…'
+    134: 212,  # '†'
+    135: 213,  # '‡'
+    136: 120,  # '€'
+    137: 214,  # '‰'
+    138: 215,  # 'Љ'
+    139: 216,  # '‹'
+    140: 217,  # 'Њ'
+    141: 218,  # 'Ќ'
+    142: 219,  # 'Ћ'
+    143: 220,  # 'Џ'
+    144: 221,  # 'ђ'
+    145: 78,  # '‘'
+    146: 64,  # '’'
+    147: 83,  # '“'
+    148: 121,  # '”'
+    149: 98,  # '•'
+    150: 117,  # '–'
+    151: 105,  # '—'
+    152: 222,  # None
+    153: 223,  # '™'
+    154: 224,  # 'љ'
+    155: 225,  # '›'
+    156: 226,  # 'њ'
+    157: 227,  # 'ќ'
+    158: 228,  # 'ћ'
+    159: 229,  # 'џ'
+    160: 88,  # '\xa0'
+    161: 230,  # 'Ў'
+    162: 231,  # 'ў'
+    163: 232,  # 'Ј'
+    164: 233,  # '¤'
+    165: 122,  # 'Ґ'
+    166: 89,  # '¦'
+    167: 106,  # '§'
+    168: 234,  # 'Ё'
+    169: 235,  # '©'
+    170: 236,  # 'Є'
+    171: 237,  # '«'
+    172: 238,  # '¬'
+    173: 45,  # '\xad'
+    174: 239,  # '®'
+    175: 240,  # 'Ї'
+    176: 73,  # '°'
+    177: 80,  # '±'
+    178: 118,  # 'І'
+    179: 114,  # 'і'
+    180: 241,  # 'ґ'
+    181: 242,  # 'µ'
+    182: 243,  # '¶'
+    183: 244,  # '·'
+    184: 245,  # 'ё'
+    185: 62,  # '№'
+    186: 58,  # 'є'
+    187: 246,  # '»'
+    188: 247,  # 'ј'
+    189: 248,  # 'Ѕ'
+    190: 249,  # 'ѕ'
+    191: 250,  # 'ї'
+    192: 31,  # 'А'
+    193: 32,  # 'Б'
+    194: 35,  # 'В'
+    195: 43,  # 'Г'
+    196: 37,  # 'Д'
+    197: 44,  # 'Е'
+    198: 55,  # 'Ж'
+    199: 47,  # 'З'
+    200: 40,  # 'И'
+    201: 59,  # 'Й'
+    202: 33,  # 'К'
+    203: 46,  # 'Л'
+    204: 38,  # 'М'
+    205: 36,  # 'Н'
+    206: 41,  # 'О'
+    207: 30,  # 'П'
+    208: 39,  # 'Р'
+    209: 28,  # 'С'
+    210: 34,  # 'Т'
+    211: 51,  # 'У'
+    212: 48,  # 'Ф'
+    213: 49,  # 'Х'
+    214: 53,  # 'Ц'
+    215: 50,  # 'Ч'
+    216: 54,  # 'Ш'
+    217: 57,  # 'Щ'
+    218: 61,  # 'Ъ'
+    219: 251,  # 'Ы'
+    220: 67,  # 'Ь'
+    221: 252,  # 'Э'
+    222: 60,  # 'Ю'
+    223: 56,  # 'Я'
+    224: 1,  # 'а'
+    225: 18,  # 'б'
+    226: 9,  # 'в'
+    227: 20,  # 'г'
+    228: 11,  # 'д'
+    229: 3,  # 'е'
+    230: 23,  # 'ж'
+    231: 15,  # 'з'
+    232: 2,  # 'и'
+    233: 26,  # 'й'
+    234: 12,  # 'к'
+    235: 10,  # 'л'
+    236: 14,  # 'м'
+    237: 6,  # 'н'
+    238: 4,  # 'о'
+    239: 13,  # 'п'
+    240: 7,  # 'р'
+    241: 8,  # 'с'
+    242: 5,  # 'т'
+    243: 19,  # 'у'
+    244: 29,  # 'ф'
+    245: 25,  # 'х'
+    246: 22,  # 'ц'
+    247: 21,  # 'ч'
+    248: 27,  # 'ш'
+    249: 24,  # 'щ'
+    250: 17,  # 'ъ'
+    251: 75,  # 'ы'
+    252: 52,  # 'ь'
+    253: 253,  # 'э'
+    254: 42,  # 'ю'
+    255: 16,  # 'я'
+}
+
+WINDOWS_1251_BULGARIAN_MODEL = SingleByteCharSetModel(
+    charset_name="windows-1251",
+    language="Bulgarian",
+    char_to_order_map=WINDOWS_1251_BULGARIAN_CHAR_TO_ORDER,
+    language_model=BULGARIAN_LANG_MODEL,
+    typical_positive_ratio=0.969392,
+    keep_ascii_letters=False,
+    alphabet="АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЮЯабвгдежзийклмнопрстуфхцчшщъьюя",
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langgreekmodel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langgreekmodel.py
new file mode 100644
index 00000000..cfb8639e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langgreekmodel.py
@@ -0,0 +1,4397 @@
+from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel
+
+# 3: Positive
+# 2: Likely
+# 1: Unlikely
+# 0: Negative
+
+GREEK_LANG_MODEL = {
+    60: {  # 'e'
+        60: 2,  # 'e'
+        55: 1,  # 'o'
+        58: 2,  # 't'
+        36: 1,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 1,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    55: {  # 'o'
+        60: 0,  # 'e'
+        55: 2,  # 'o'
+        58: 2,  # 't'
+        36: 1,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 1,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 1,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    58: {  # 't'
+        60: 2,  # 'e'
+        55: 1,  # 'o'
+        58: 1,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 1,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    36: {  # '·'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    61: {  # 'Ά'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 1,  # 'γ'
+        21: 2,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 1,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    46: {  # 'Έ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 2,  # 'β'
+        20: 2,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 2,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 2,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 1,  # 'σ'
+        2: 2,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 3,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    54: {  # 'Ό'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 2,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 2,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 2,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 2,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    31: {  # 'Α'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 2,  # 'Β'
+        43: 2,  # 'Γ'
+        41: 1,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 2,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 2,  # 'Κ'
+        53: 2,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 1,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 2,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 2,  # 'Υ'
+        56: 2,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 2,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 1,  # 'θ'
+        5: 0,  # 'ι'
+        11: 2,  # 'κ'
+        16: 3,  # 'λ'
+        10: 2,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 2,  # 'ς'
+        7: 2,  # 'σ'
+        2: 0,  # 'τ'
+        12: 3,  # 'υ'
+        28: 2,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    51: {  # 'Β'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 1,  # 'Ε'
+        40: 1,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 1,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 1,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 2,  # 'ή'
+        15: 0,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    43: {  # 'Γ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 1,  # 'Α'
+        51: 0,  # 'Β'
+        43: 2,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 1,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 1,  # 'Κ'
+        53: 1,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 1,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 2,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 1,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 2,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    41: {  # 'Δ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 2,  # 'ή'
+        15: 2,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 1,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    34: {  # 'Ε'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 2,  # 'Γ'
+        41: 2,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 2,  # 'Κ'
+        53: 2,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 1,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 2,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 2,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 2,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 3,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 3,  # 'γ'
+        21: 2,  # 'δ'
+        3: 1,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 1,  # 'θ'
+        5: 2,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 2,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 3,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 2,  # 'σ'
+        2: 2,  # 'τ'
+        12: 2,  # 'υ'
+        28: 2,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 1,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    40: {  # 'Η'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 1,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 2,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 2,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 2,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 1,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 1,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 1,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    52: {  # 'Θ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 1,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 1,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 2,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    47: {  # 'Ι'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 1,  # 'Β'
+        43: 1,  # 'Γ'
+        41: 2,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 2,  # 'Κ'
+        53: 2,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 2,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 2,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 1,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 2,  # 'σ'
+        2: 1,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 1,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    44: {  # 'Κ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 1,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 1,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 1,  # 'Τ'
+        45: 2,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 1,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 2,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    53: {  # 'Λ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 2,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 2,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 0,  # 'ή'
+        15: 2,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 1,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 2,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    38: {  # 'Μ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 2,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 2,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 2,  # 'ή'
+        15: 2,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 3,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 2,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    49: {  # 'Ν'
+        60: 2,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 2,  # 'έ'
+        22: 0,  # 'ή'
+        15: 2,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 1,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 1,  # 'ω'
+        19: 2,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    59: {  # 'Ξ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 1,  # 'Ε'
+        40: 1,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 1,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 2,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    39: {  # 'Ο'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 1,  # 'Β'
+        43: 2,  # 'Γ'
+        41: 2,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 1,  # 'Η'
+        52: 2,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 2,  # 'Κ'
+        53: 2,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 2,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 2,  # 'Υ'
+        56: 2,  # 'Φ'
+        50: 2,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 2,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 2,  # 'κ'
+        16: 2,  # 'λ'
+        10: 2,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 2,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 2,  # 'τ'
+        12: 2,  # 'υ'
+        28: 1,  # 'φ'
+        23: 1,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    35: {  # 'Π'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 2,  # 'Λ'
+        38: 1,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 1,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 1,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 1,  # 'έ'
+        22: 1,  # 'ή'
+        15: 2,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 2,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 2,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    48: {  # 'Ρ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 1,  # 'Γ'
+        41: 1,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 1,  # 'Τ'
+        45: 1,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 1,  # 'Χ'
+        57: 1,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 2,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 1,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 3,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 0,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    37: {  # 'Σ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 1,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 2,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 2,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 2,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 2,  # 'ή'
+        15: 2,  # 'ί'
+        1: 2,  # 'α'
+        29: 2,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 2,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 2,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 0,  # 'φ'
+        23: 2,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 0,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    33: {  # 'Τ'
+        60: 0,  # 'e'
+        55: 1,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 2,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 2,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 1,  # 'Τ'
+        45: 1,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 2,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 0,  # 'ή'
+        15: 2,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 2,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 2,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 2,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    45: {  # 'Υ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 2,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 1,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 2,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 1,  # 'Λ'
+        38: 2,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 2,  # 'Π'
+        48: 1,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 1,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 3,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    56: {  # 'Φ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 1,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 1,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 2,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 2,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 1,  # 'ύ'
+        27: 1,  # 'ώ'
+    },
+    50: {  # 'Χ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 1,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 2,  # 'Ε'
+        40: 2,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 2,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 1,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 1,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 1,  # 'Χ'
+        57: 1,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 2,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 2,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    57: {  # 'Ω'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 1,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 1,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 2,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 2,  # 'Ρ'
+        37: 2,  # 'Σ'
+        33: 2,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 2,  # 'ρ'
+        14: 2,  # 'ς'
+        7: 2,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 1,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    17: {  # 'ά'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 3,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 3,  # 'ε'
+        32: 3,  # 'ζ'
+        13: 0,  # 'η'
+        25: 3,  # 'θ'
+        5: 2,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 3,  # 'φ'
+        23: 3,  # 'χ'
+        42: 3,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    18: {  # 'έ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 3,  # 'α'
+        29: 2,  # 'β'
+        20: 3,  # 'γ'
+        21: 2,  # 'δ'
+        3: 3,  # 'ε'
+        32: 2,  # 'ζ'
+        13: 0,  # 'η'
+        25: 3,  # 'θ'
+        5: 0,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 3,  # 'φ'
+        23: 3,  # 'χ'
+        42: 3,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    22: {  # 'ή'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 1,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 3,  # 'θ'
+        5: 0,  # 'ι'
+        11: 3,  # 'κ'
+        16: 2,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    15: {  # 'ί'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 3,  # 'α'
+        29: 2,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 3,  # 'ε'
+        32: 3,  # 'ζ'
+        13: 3,  # 'η'
+        25: 3,  # 'θ'
+        5: 0,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 1,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    1: {  # 'α'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 2,  # 'έ'
+        22: 0,  # 'ή'
+        15: 3,  # 'ί'
+        1: 0,  # 'α'
+        29: 3,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 2,  # 'ε'
+        32: 3,  # 'ζ'
+        13: 1,  # 'η'
+        25: 3,  # 'θ'
+        5: 3,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 3,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 2,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    29: {  # 'β'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 2,  # 'έ'
+        22: 3,  # 'ή'
+        15: 2,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 2,  # 'γ'
+        21: 2,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 3,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 2,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    20: {  # 'γ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 3,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 3,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    21: {  # 'δ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 3,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    3: {  # 'ε'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 3,  # 'ί'
+        1: 2,  # 'α'
+        29: 3,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 2,  # 'ε'
+        32: 2,  # 'ζ'
+        13: 0,  # 'η'
+        25: 3,  # 'θ'
+        5: 3,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 3,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 2,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    32: {  # 'ζ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 2,  # 'ή'
+        15: 2,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 1,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 2,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    13: {  # 'η'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 3,  # 'γ'
+        21: 2,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 3,  # 'θ'
+        5: 0,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 2,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    25: {  # 'θ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 2,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 1,  # 'λ'
+        10: 3,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 3,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    5: {  # 'ι'
+        60: 0,  # 'e'
+        55: 1,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 1,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 0,  # 'ί'
+        1: 3,  # 'α'
+        29: 3,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 3,  # 'ε'
+        32: 2,  # 'ζ'
+        13: 3,  # 'η'
+        25: 3,  # 'θ'
+        5: 0,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    11: {  # 'κ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 3,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 2,  # 'θ'
+        5: 3,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 2,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 2,  # 'φ'
+        23: 2,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    16: {  # 'λ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 1,  # 'β'
+        20: 2,  # 'γ'
+        21: 1,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 2,  # 'θ'
+        5: 3,  # 'ι'
+        11: 2,  # 'κ'
+        16: 3,  # 'λ'
+        10: 2,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 2,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    10: {  # 'μ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 1,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 3,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 2,  # 'υ'
+        28: 3,  # 'φ'
+        23: 0,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    6: {  # 'ν'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 3,  # 'δ'
+        3: 3,  # 'ε'
+        32: 2,  # 'ζ'
+        13: 3,  # 'η'
+        25: 3,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 1,  # 'λ'
+        10: 0,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    30: {  # 'ξ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 2,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 3,  # 'τ'
+        12: 2,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 2,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 1,  # 'ώ'
+    },
+    4: {  # 'ο'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 2,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 2,  # 'α'
+        29: 3,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 3,  # 'θ'
+        5: 3,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 3,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 1,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    9: {  # 'π'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 3,  # 'λ'
+        10: 0,  # 'μ'
+        6: 2,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 2,  # 'ς'
+        7: 0,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 0,  # 'φ'
+        23: 2,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    8: {  # 'ρ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 2,  # 'β'
+        20: 3,  # 'γ'
+        21: 2,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 3,  # 'θ'
+        5: 3,  # 'ι'
+        11: 3,  # 'κ'
+        16: 1,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 2,  # 'π'
+        8: 2,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 2,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 3,  # 'φ'
+        23: 3,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    14: {  # 'ς'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 2,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 0,  # 'θ'
+        5: 0,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 0,  # 'τ'
+        12: 0,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    7: {  # 'σ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 3,  # 'β'
+        20: 0,  # 'γ'
+        21: 2,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 3,  # 'θ'
+        5: 3,  # 'ι'
+        11: 3,  # 'κ'
+        16: 2,  # 'λ'
+        10: 3,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 3,  # 'φ'
+        23: 3,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    2: {  # 'τ'
+        60: 0,  # 'e'
+        55: 2,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 2,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 3,  # 'ι'
+        11: 2,  # 'κ'
+        16: 2,  # 'λ'
+        10: 3,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 2,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    12: {  # 'υ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 3,  # 'ή'
+        15: 2,  # 'ί'
+        1: 3,  # 'α'
+        29: 2,  # 'β'
+        20: 3,  # 'γ'
+        21: 2,  # 'δ'
+        3: 2,  # 'ε'
+        32: 2,  # 'ζ'
+        13: 2,  # 'η'
+        25: 3,  # 'θ'
+        5: 2,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 3,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 2,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    28: {  # 'φ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 3,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 2,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 0,  # 'μ'
+        6: 1,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 1,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 2,  # 'ύ'
+        27: 2,  # 'ώ'
+    },
+    23: {  # 'χ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 3,  # 'ά'
+        18: 2,  # 'έ'
+        22: 3,  # 'ή'
+        15: 3,  # 'ί'
+        1: 3,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 2,  # 'θ'
+        5: 3,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 2,  # 'μ'
+        6: 3,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 0,  # 'π'
+        8: 3,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 3,  # 'τ'
+        12: 3,  # 'υ'
+        28: 0,  # 'φ'
+        23: 2,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 3,  # 'ω'
+        19: 3,  # 'ό'
+        26: 3,  # 'ύ'
+        27: 3,  # 'ώ'
+    },
+    42: {  # 'ψ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 2,  # 'ά'
+        18: 2,  # 'έ'
+        22: 1,  # 'ή'
+        15: 2,  # 'ί'
+        1: 2,  # 'α'
+        29: 0,  # 'β'
+        20: 0,  # 'γ'
+        21: 0,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 3,  # 'η'
+        25: 0,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 0,  # 'λ'
+        10: 0,  # 'μ'
+        6: 0,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 0,  # 'π'
+        8: 0,  # 'ρ'
+        14: 0,  # 'ς'
+        7: 0,  # 'σ'
+        2: 2,  # 'τ'
+        12: 1,  # 'υ'
+        28: 0,  # 'φ'
+        23: 0,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    24: {  # 'ω'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 1,  # 'ά'
+        18: 0,  # 'έ'
+        22: 2,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 2,  # 'β'
+        20: 3,  # 'γ'
+        21: 2,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 0,  # 'η'
+        25: 3,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 0,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 2,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    19: {  # 'ό'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 3,  # 'β'
+        20: 3,  # 'γ'
+        21: 3,  # 'δ'
+        3: 1,  # 'ε'
+        32: 2,  # 'ζ'
+        13: 2,  # 'η'
+        25: 2,  # 'θ'
+        5: 2,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 1,  # 'ξ'
+        4: 2,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 3,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    26: {  # 'ύ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 2,  # 'α'
+        29: 2,  # 'β'
+        20: 2,  # 'γ'
+        21: 1,  # 'δ'
+        3: 3,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 2,  # 'η'
+        25: 3,  # 'θ'
+        5: 0,  # 'ι'
+        11: 3,  # 'κ'
+        16: 3,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 2,  # 'ξ'
+        4: 3,  # 'ο'
+        9: 3,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 2,  # 'φ'
+        23: 2,  # 'χ'
+        42: 2,  # 'ψ'
+        24: 2,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+    27: {  # 'ώ'
+        60: 0,  # 'e'
+        55: 0,  # 'o'
+        58: 0,  # 't'
+        36: 0,  # '·'
+        61: 0,  # 'Ά'
+        46: 0,  # 'Έ'
+        54: 0,  # 'Ό'
+        31: 0,  # 'Α'
+        51: 0,  # 'Β'
+        43: 0,  # 'Γ'
+        41: 0,  # 'Δ'
+        34: 0,  # 'Ε'
+        40: 0,  # 'Η'
+        52: 0,  # 'Θ'
+        47: 0,  # 'Ι'
+        44: 0,  # 'Κ'
+        53: 0,  # 'Λ'
+        38: 0,  # 'Μ'
+        49: 0,  # 'Ν'
+        59: 0,  # 'Ξ'
+        39: 0,  # 'Ο'
+        35: 0,  # 'Π'
+        48: 0,  # 'Ρ'
+        37: 0,  # 'Σ'
+        33: 0,  # 'Τ'
+        45: 0,  # 'Υ'
+        56: 0,  # 'Φ'
+        50: 0,  # 'Χ'
+        57: 0,  # 'Ω'
+        17: 0,  # 'ά'
+        18: 0,  # 'έ'
+        22: 0,  # 'ή'
+        15: 0,  # 'ί'
+        1: 0,  # 'α'
+        29: 1,  # 'β'
+        20: 0,  # 'γ'
+        21: 3,  # 'δ'
+        3: 0,  # 'ε'
+        32: 0,  # 'ζ'
+        13: 1,  # 'η'
+        25: 2,  # 'θ'
+        5: 2,  # 'ι'
+        11: 0,  # 'κ'
+        16: 2,  # 'λ'
+        10: 3,  # 'μ'
+        6: 3,  # 'ν'
+        30: 1,  # 'ξ'
+        4: 0,  # 'ο'
+        9: 2,  # 'π'
+        8: 3,  # 'ρ'
+        14: 3,  # 'ς'
+        7: 3,  # 'σ'
+        2: 3,  # 'τ'
+        12: 0,  # 'υ'
+        28: 1,  # 'φ'
+        23: 1,  # 'χ'
+        42: 0,  # 'ψ'
+        24: 0,  # 'ω'
+        19: 0,  # 'ό'
+        26: 0,  # 'ύ'
+        27: 0,  # 'ώ'
+    },
+}
+
+# 255: Undefined characters that did not exist in training text
+# 254: Carriage/Return
+# 253: symbol (punctuation) that does not belong to word
+# 252: 0 - 9
+# 251: Control characters
+
+# Character Mapping Table(s):
+WINDOWS_1253_GREEK_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 82,  # 'A'
+    66: 100,  # 'B'
+    67: 104,  # 'C'
+    68: 94,  # 'D'
+    69: 98,  # 'E'
+    70: 101,  # 'F'
+    71: 116,  # 'G'
+    72: 102,  # 'H'
+    73: 111,  # 'I'
+    74: 187,  # 'J'
+    75: 117,  # 'K'
+    76: 92,  # 'L'
+    77: 88,  # 'M'
+    78: 113,  # 'N'
+    79: 85,  # 'O'
+    80: 79,  # 'P'
+    81: 118,  # 'Q'
+    82: 105,  # 'R'
+    83: 83,  # 'S'
+    84: 67,  # 'T'
+    85: 114,  # 'U'
+    86: 119,  # 'V'
+    87: 95,  # 'W'
+    88: 99,  # 'X'
+    89: 109,  # 'Y'
+    90: 188,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 72,  # 'a'
+    98: 70,  # 'b'
+    99: 80,  # 'c'
+    100: 81,  # 'd'
+    101: 60,  # 'e'
+    102: 96,  # 'f'
+    103: 93,  # 'g'
+    104: 89,  # 'h'
+    105: 68,  # 'i'
+    106: 120,  # 'j'
+    107: 97,  # 'k'
+    108: 77,  # 'l'
+    109: 86,  # 'm'
+    110: 69,  # 'n'
+    111: 55,  # 'o'
+    112: 78,  # 'p'
+    113: 115,  # 'q'
+    114: 65,  # 'r'
+    115: 66,  # 's'
+    116: 58,  # 't'
+    117: 76,  # 'u'
+    118: 106,  # 'v'
+    119: 103,  # 'w'
+    120: 87,  # 'x'
+    121: 107,  # 'y'
+    122: 112,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 255,  # '€'
+    129: 255,  # None
+    130: 255,  # '‚'
+    131: 255,  # 'ƒ'
+    132: 255,  # '„'
+    133: 255,  # '…'
+    134: 255,  # '†'
+    135: 255,  # '‡'
+    136: 255,  # None
+    137: 255,  # '‰'
+    138: 255,  # None
+    139: 255,  # '‹'
+    140: 255,  # None
+    141: 255,  # None
+    142: 255,  # None
+    143: 255,  # None
+    144: 255,  # None
+    145: 255,  # '‘'
+    146: 255,  # '’'
+    147: 255,  # '“'
+    148: 255,  # '”'
+    149: 255,  # '•'
+    150: 255,  # '–'
+    151: 255,  # '—'
+    152: 255,  # None
+    153: 255,  # '™'
+    154: 255,  # None
+    155: 255,  # '›'
+    156: 255,  # None
+    157: 255,  # None
+    158: 255,  # None
+    159: 255,  # None
+    160: 253,  # '\xa0'
+    161: 233,  # '΅'
+    162: 61,  # 'Ά'
+    163: 253,  # '£'
+    164: 253,  # '¤'
+    165: 253,  # '¥'
+    166: 253,  # '¦'
+    167: 253,  # '§'
+    168: 253,  # '¨'
+    169: 253,  # '©'
+    170: 253,  # None
+    171: 253,  # '«'
+    172: 253,  # '¬'
+    173: 74,  # '\xad'
+    174: 253,  # '®'
+    175: 253,  # '―'
+    176: 253,  # '°'
+    177: 253,  # '±'
+    178: 253,  # '²'
+    179: 253,  # '³'
+    180: 247,  # '΄'
+    181: 253,  # 'µ'
+    182: 253,  # '¶'
+    183: 36,  # '·'
+    184: 46,  # 'Έ'
+    185: 71,  # 'Ή'
+    186: 73,  # 'Ί'
+    187: 253,  # '»'
+    188: 54,  # 'Ό'
+    189: 253,  # '½'
+    190: 108,  # 'Ύ'
+    191: 123,  # 'Ώ'
+    192: 110,  # 'ΐ'
+    193: 31,  # 'Α'
+    194: 51,  # 'Β'
+    195: 43,  # 'Γ'
+    196: 41,  # 'Δ'
+    197: 34,  # 'Ε'
+    198: 91,  # 'Ζ'
+    199: 40,  # 'Η'
+    200: 52,  # 'Θ'
+    201: 47,  # 'Ι'
+    202: 44,  # 'Κ'
+    203: 53,  # 'Λ'
+    204: 38,  # 'Μ'
+    205: 49,  # 'Ν'
+    206: 59,  # 'Ξ'
+    207: 39,  # 'Ο'
+    208: 35,  # 'Π'
+    209: 48,  # 'Ρ'
+    210: 250,  # None
+    211: 37,  # 'Σ'
+    212: 33,  # 'Τ'
+    213: 45,  # 'Υ'
+    214: 56,  # 'Φ'
+    215: 50,  # 'Χ'
+    216: 84,  # 'Ψ'
+    217: 57,  # 'Ω'
+    218: 120,  # 'Ϊ'
+    219: 121,  # 'Ϋ'
+    220: 17,  # 'ά'
+    221: 18,  # 'έ'
+    222: 22,  # 'ή'
+    223: 15,  # 'ί'
+    224: 124,  # 'ΰ'
+    225: 1,  # 'α'
+    226: 29,  # 'β'
+    227: 20,  # 'γ'
+    228: 21,  # 'δ'
+    229: 3,  # 'ε'
+    230: 32,  # 'ζ'
+    231: 13,  # 'η'
+    232: 25,  # 'θ'
+    233: 5,  # 'ι'
+    234: 11,  # 'κ'
+    235: 16,  # 'λ'
+    236: 10,  # 'μ'
+    237: 6,  # 'ν'
+    238: 30,  # 'ξ'
+    239: 4,  # 'ο'
+    240: 9,  # 'π'
+    241: 8,  # 'ρ'
+    242: 14,  # 'ς'
+    243: 7,  # 'σ'
+    244: 2,  # 'τ'
+    245: 12,  # 'υ'
+    246: 28,  # 'φ'
+    247: 23,  # 'χ'
+    248: 42,  # 'ψ'
+    249: 24,  # 'ω'
+    250: 64,  # 'ϊ'
+    251: 75,  # 'ϋ'
+    252: 19,  # 'ό'
+    253: 26,  # 'ύ'
+    254: 27,  # 'ώ'
+    255: 253,  # None
+}
+
+WINDOWS_1253_GREEK_MODEL = SingleByteCharSetModel(
+    charset_name="windows-1253",
+    language="Greek",
+    char_to_order_map=WINDOWS_1253_GREEK_CHAR_TO_ORDER,
+    language_model=GREEK_LANG_MODEL,
+    typical_positive_ratio=0.982851,
+    keep_ascii_letters=False,
+    alphabet="ΆΈΉΊΌΎΏΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩάέήίαβγδεζηθικλμνξοπρςστυφχψωόύώ",
+)
+
+ISO_8859_7_GREEK_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 82,  # 'A'
+    66: 100,  # 'B'
+    67: 104,  # 'C'
+    68: 94,  # 'D'
+    69: 98,  # 'E'
+    70: 101,  # 'F'
+    71: 116,  # 'G'
+    72: 102,  # 'H'
+    73: 111,  # 'I'
+    74: 187,  # 'J'
+    75: 117,  # 'K'
+    76: 92,  # 'L'
+    77: 88,  # 'M'
+    78: 113,  # 'N'
+    79: 85,  # 'O'
+    80: 79,  # 'P'
+    81: 118,  # 'Q'
+    82: 105,  # 'R'
+    83: 83,  # 'S'
+    84: 67,  # 'T'
+    85: 114,  # 'U'
+    86: 119,  # 'V'
+    87: 95,  # 'W'
+    88: 99,  # 'X'
+    89: 109,  # 'Y'
+    90: 188,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 72,  # 'a'
+    98: 70,  # 'b'
+    99: 80,  # 'c'
+    100: 81,  # 'd'
+    101: 60,  # 'e'
+    102: 96,  # 'f'
+    103: 93,  # 'g'
+    104: 89,  # 'h'
+    105: 68,  # 'i'
+    106: 120,  # 'j'
+    107: 97,  # 'k'
+    108: 77,  # 'l'
+    109: 86,  # 'm'
+    110: 69,  # 'n'
+    111: 55,  # 'o'
+    112: 78,  # 'p'
+    113: 115,  # 'q'
+    114: 65,  # 'r'
+    115: 66,  # 's'
+    116: 58,  # 't'
+    117: 76,  # 'u'
+    118: 106,  # 'v'
+    119: 103,  # 'w'
+    120: 87,  # 'x'
+    121: 107,  # 'y'
+    122: 112,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 255,  # '\x80'
+    129: 255,  # '\x81'
+    130: 255,  # '\x82'
+    131: 255,  # '\x83'
+    132: 255,  # '\x84'
+    133: 255,  # '\x85'
+    134: 255,  # '\x86'
+    135: 255,  # '\x87'
+    136: 255,  # '\x88'
+    137: 255,  # '\x89'
+    138: 255,  # '\x8a'
+    139: 255,  # '\x8b'
+    140: 255,  # '\x8c'
+    141: 255,  # '\x8d'
+    142: 255,  # '\x8e'
+    143: 255,  # '\x8f'
+    144: 255,  # '\x90'
+    145: 255,  # '\x91'
+    146: 255,  # '\x92'
+    147: 255,  # '\x93'
+    148: 255,  # '\x94'
+    149: 255,  # '\x95'
+    150: 255,  # '\x96'
+    151: 255,  # '\x97'
+    152: 255,  # '\x98'
+    153: 255,  # '\x99'
+    154: 255,  # '\x9a'
+    155: 255,  # '\x9b'
+    156: 255,  # '\x9c'
+    157: 255,  # '\x9d'
+    158: 255,  # '\x9e'
+    159: 255,  # '\x9f'
+    160: 253,  # '\xa0'
+    161: 233,  # '‘'
+    162: 90,  # '’'
+    163: 253,  # '£'
+    164: 253,  # '€'
+    165: 253,  # '₯'
+    166: 253,  # '¦'
+    167: 253,  # '§'
+    168: 253,  # '¨'
+    169: 253,  # '©'
+    170: 253,  # 'ͺ'
+    171: 253,  # '«'
+    172: 253,  # '¬'
+    173: 74,  # '\xad'
+    174: 253,  # None
+    175: 253,  # '―'
+    176: 253,  # '°'
+    177: 253,  # '±'
+    178: 253,  # '²'
+    179: 253,  # '³'
+    180: 247,  # '΄'
+    181: 248,  # '΅'
+    182: 61,  # 'Ά'
+    183: 36,  # '·'
+    184: 46,  # 'Έ'
+    185: 71,  # 'Ή'
+    186: 73,  # 'Ί'
+    187: 253,  # '»'
+    188: 54,  # 'Ό'
+    189: 253,  # '½'
+    190: 108,  # 'Ύ'
+    191: 123,  # 'Ώ'
+    192: 110,  # 'ΐ'
+    193: 31,  # 'Α'
+    194: 51,  # 'Β'
+    195: 43,  # 'Γ'
+    196: 41,  # 'Δ'
+    197: 34,  # 'Ε'
+    198: 91,  # 'Ζ'
+    199: 40,  # 'Η'
+    200: 52,  # 'Θ'
+    201: 47,  # 'Ι'
+    202: 44,  # 'Κ'
+    203: 53,  # 'Λ'
+    204: 38,  # 'Μ'
+    205: 49,  # 'Ν'
+    206: 59,  # 'Ξ'
+    207: 39,  # 'Ο'
+    208: 35,  # 'Π'
+    209: 48,  # 'Ρ'
+    210: 250,  # None
+    211: 37,  # 'Σ'
+    212: 33,  # 'Τ'
+    213: 45,  # 'Υ'
+    214: 56,  # 'Φ'
+    215: 50,  # 'Χ'
+    216: 84,  # 'Ψ'
+    217: 57,  # 'Ω'
+    218: 120,  # 'Ϊ'
+    219: 121,  # 'Ϋ'
+    220: 17,  # 'ά'
+    221: 18,  # 'έ'
+    222: 22,  # 'ή'
+    223: 15,  # 'ί'
+    224: 124,  # 'ΰ'
+    225: 1,  # 'α'
+    226: 29,  # 'β'
+    227: 20,  # 'γ'
+    228: 21,  # 'δ'
+    229: 3,  # 'ε'
+    230: 32,  # 'ζ'
+    231: 13,  # 'η'
+    232: 25,  # 'θ'
+    233: 5,  # 'ι'
+    234: 11,  # 'κ'
+    235: 16,  # 'λ'
+    236: 10,  # 'μ'
+    237: 6,  # 'ν'
+    238: 30,  # 'ξ'
+    239: 4,  # 'ο'
+    240: 9,  # 'π'
+    241: 8,  # 'ρ'
+    242: 14,  # 'ς'
+    243: 7,  # 'σ'
+    244: 2,  # 'τ'
+    245: 12,  # 'υ'
+    246: 28,  # 'φ'
+    247: 23,  # 'χ'
+    248: 42,  # 'ψ'
+    249: 24,  # 'ω'
+    250: 64,  # 'ϊ'
+    251: 75,  # 'ϋ'
+    252: 19,  # 'ό'
+    253: 26,  # 'ύ'
+    254: 27,  # 'ώ'
+    255: 253,  # None
+}
+
+ISO_8859_7_GREEK_MODEL = SingleByteCharSetModel(
+    charset_name="ISO-8859-7",
+    language="Greek",
+    char_to_order_map=ISO_8859_7_GREEK_CHAR_TO_ORDER,
+    language_model=GREEK_LANG_MODEL,
+    typical_positive_ratio=0.982851,
+    keep_ascii_letters=False,
+    alphabet="ΆΈΉΊΌΎΏΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩάέήίαβγδεζηθικλμνξοπρςστυφχψωόύώ",
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langhebrewmodel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langhebrewmodel.py
new file mode 100644
index 00000000..56d29758
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langhebrewmodel.py
@@ -0,0 +1,4380 @@
+from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel
+
+# 3: Positive
+# 2: Likely
+# 1: Unlikely
+# 0: Negative
+
+HEBREW_LANG_MODEL = {
+    50: {  # 'a'
+        50: 0,  # 'a'
+        60: 1,  # 'c'
+        61: 1,  # 'd'
+        42: 1,  # 'e'
+        53: 1,  # 'i'
+        56: 2,  # 'l'
+        54: 2,  # 'n'
+        49: 0,  # 'o'
+        51: 2,  # 'r'
+        43: 1,  # 's'
+        44: 2,  # 't'
+        63: 1,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 0,  # 'א'
+        8: 0,  # 'ב'
+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
+        3: 1,  # 'ה'
+        2: 0,  # 'ו'
+        24: 0,  # 'ז'
+        14: 0,  # 'ח'
+        22: 0,  # 'ט'
+        1: 0,  # 'י'
+        25: 0,  # 'ך'
+        15: 0,  # 'כ'
+        4: 0,  # 'ל'
+        11: 0,  # 'ם'
+        6: 1,  # 'מ'
+        23: 0,  # 'ן'
+        12: 0,  # 'נ'
+        19: 0,  # 'ס'
+        13: 0,  # 'ע'
+        26: 0,  # 'ף'
+        18: 0,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 0,  # 'צ'
+        17: 1,  # 'ק'
+        7: 0,  # 'ר'
+        10: 1,  # 'ש'
+        5: 0,  # 'ת'
+        32: 0,  # '–'
+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    60: {  # 'c'
+        50: 1,  # 'a'
+        60: 1,  # 'c'
+        61: 0,  # 'd'
+        42: 1,  # 'e'
+        53: 1,  # 'i'
+        56: 1,  # 'l'
+        54: 0,  # 'n'
+        49: 1,  # 'o'
+        51: 1,  # 'r'
+        43: 1,  # 's'
+        44: 2,  # 't'
+        63: 1,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
+        8: 0,  # 'ב'
+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
+        3: 1,  # 'ה'
+        2: 0,  # 'ו'
+        24: 0,  # 'ז'
+        14: 0,  # 'ח'
+        22: 0,  # 'ט'
+        1: 0,  # 'י'
+        25: 0,  # 'ך'
+        15: 0,  # 'כ'
+        4: 0,  # 'ל'
+        11: 0,  # 'ם'
+        6: 1,  # 'מ'
+        23: 0,  # 'ן'
+        12: 1,  # 'נ'
+        19: 0,  # 'ס'
+        13: 0,  # 'ע'
+        26: 0,  # 'ף'
+        18: 0,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
+        7: 0,  # 'ר'
+        10: 0,  # 'ש'
+        5: 0,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    61: {  # 'd'
+        50: 1,  # 'a'
+        60: 0,  # 'c'
+        61: 1,  # 'd'
+        42: 1,  # 'e'
+        53: 1,  # 'i'
+        56: 1,  # 'l'
+        54: 1,  # 'n'
+        49: 2,  # 'o'
+        51: 1,  # 'r'
+        43: 1,  # 's'
+        44: 0,  # 't'
+        63: 1,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 0,  # 'א'
+        8: 0,  # 'ב'
+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
+        3: 1,  # 'ה'
+        2: 0,  # 'ו'
+        24: 0,  # 'ז'
+        14: 0,  # 'ח'
+        22: 0,  # 'ט'
+        1: 0,  # 'י'
+        25: 0,  # 'ך'
+        15: 0,  # 'כ'
+        4: 0,  # 'ל'
+        11: 0,  # 'ם'
+        6: 0,  # 'מ'
+        23: 0,  # 'ן'
+        12: 0,  # 'נ'
+        19: 0,  # 'ס'
+        13: 0,  # 'ע'
+        26: 0,  # 'ף'
+        18: 0,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
+        7: 0,  # 'ר'
+        10: 0,  # 'ש'
+        5: 0,  # 'ת'
+        32: 1,  # '–'
+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    42: {  # 'e'
+        50: 1,  # 'a'
+        60: 1,  # 'c'
+        61: 2,  # 'd'
+        42: 1,  # 'e'
+        53: 1,  # 'i'
+        56: 2,  # 'l'
+        54: 2,  # 'n'
+        49: 1,  # 'o'
+        51: 2,  # 'r'
+        43: 2,  # 's'
+        44: 2,  # 't'
+        63: 1,  # 'u'
+        34: 1,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 0,  # 'א'
+        8: 0,  # 'ב'
+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
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+        2: 0,  # 'ו'
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+        1: 0,  # 'י'
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+        6: 0,  # 'מ'
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+        12: 0,  # 'נ'
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+        13: 0,  # 'ע'
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+        18: 1,  # 'פ'
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+        17: 0,  # 'ק'
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+        10: 0,  # 'ש'
+        5: 0,  # 'ת'
+        32: 1,  # '–'
+        52: 2,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    53: {  # 'i'
+        50: 1,  # 'a'
+        60: 2,  # 'c'
+        61: 1,  # 'd'
+        42: 1,  # 'e'
+        53: 0,  # 'i'
+        56: 1,  # 'l'
+        54: 2,  # 'n'
+        49: 2,  # 'o'
+        51: 1,  # 'r'
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+        34: 0,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 0,  # 'ִ'
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+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
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+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 0,  # 'א'
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+        20: 0,  # 'ג'
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+        3: 0,  # 'ה'
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+        14: 0,  # 'ח'
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+        1: 0,  # 'י'
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+        6: 0,  # 'מ'
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+        12: 0,  # 'נ'
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+        13: 0,  # 'ע'
+        26: 0,  # 'ף'
+        18: 0,  # 'פ'
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+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
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+        10: 0,  # 'ש'
+        5: 0,  # 'ת'
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+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    56: {  # 'l'
+        50: 1,  # 'a'
+        60: 1,  # 'c'
+        61: 1,  # 'd'
+        42: 2,  # 'e'
+        53: 2,  # 'i'
+        56: 2,  # 'l'
+        54: 1,  # 'n'
+        49: 1,  # 'o'
+        51: 0,  # 'r'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        9: 0,  # 'א'
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+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
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+        50: 1,  # 'a'
+        60: 1,  # 'c'
+        61: 1,  # 'd'
+        42: 1,  # 'e'
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+        56: 1,  # 'l'
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+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
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+        38: 0,  # 'ׁ'
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+        9: 0,  # 'א'
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+        20: 0,  # 'ג'
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+        3: 1,  # 'ה'
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+        1: 0,  # 'י'
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+        52: 2,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
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+        50: 1,  # 'a'
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+        54: 2,  # 'n'
+        49: 1,  # 'o'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
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+        30: 0,  # 'ְ'
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+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    51: {  # 'r'
+        50: 2,  # 'a'
+        60: 1,  # 'c'
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+        51: 1,  # 'r'
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+        39: 0,  # '½'
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+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
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+        9: 0,  # 'א'
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+        52: 2,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    43: {  # 's'
+        50: 1,  # 'a'
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+        42: 2,  # 'e'
+        53: 1,  # 'i'
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+        51: 1,  # 'r'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
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+        9: 0,  # 'א'
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+        1: 0,  # 'י'
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+        52: 1,  # '’'
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+        46: 2,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
+    44: {  # 't'
+        50: 1,  # 'a'
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+        56: 1,  # 'l'
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+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
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+        28: 0,  # 'ּ'
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+        52: 2,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    63: {  # 'u'
+        50: 1,  # 'a'
+        60: 1,  # 'c'
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+        48: 0,  # '¼'
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+        40: 0,  # '…'
+    },
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+        40: 0,  # '…'
+    },
+    55: {  # '´'
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+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
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+        28: 0,  # 'ּ'
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+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
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+        3: 1,  # 'ה'
+        2: 1,  # 'ו'
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+        1: 2,  # 'י'
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+        6: 1,  # 'מ'
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+        12: 1,  # 'נ'
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+        13: 0,  # 'ע'
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+        18: 0,  # 'פ'
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+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
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+        10: 1,  # 'ש'
+        5: 0,  # 'ת'
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+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    48: {  # '¼'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 0,  # 'ִ'
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+        36: 0,  # 'ֶ'
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+        29: 0,  # 'ָ'
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+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
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+        20: 0,  # 'ג'
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+        3: 0,  # 'ה'
+        2: 1,  # 'ו'
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+        1: 0,  # 'י'
+        25: 0,  # 'ך'
+        15: 1,  # 'כ'
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+        6: 1,  # 'מ'
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+        12: 0,  # 'נ'
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+        13: 0,  # 'ע'
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+        18: 0,  # 'פ'
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+        52: 0,  # '’'
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+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    39: {  # '½'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
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+        21: 1,  # 'צ'
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+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    57: {  # '¾'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 0,  # 'ִ'
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+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
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+        50: 0,  # 'a'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 1,  # 'ֶ'
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+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 2,  # 'ב'
+        20: 2,  # 'ג'
+        16: 2,  # 'ד'
+        3: 2,  # 'ה'
+        2: 2,  # 'ו'
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+        14: 2,  # 'ח'
+        22: 2,  # 'ט'
+        1: 2,  # 'י'
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+        15: 2,  # 'כ'
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+        21: 2,  # 'צ'
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+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    59: {  # 'ֱ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
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+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 1,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
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+        29: 0,  # 'ָ'
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+        28: 0,  # 'ּ'
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+        9: 0,  # 'א'
+        8: 1,  # 'ב'
+        20: 1,  # 'ג'
+        16: 0,  # 'ד'
+        3: 0,  # 'ה'
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+        14: 0,  # 'ח'
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+        1: 1,  # 'י'
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+        6: 2,  # 'מ'
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+        12: 1,  # 'נ'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    41: {  # 'ֲ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
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+        29: 0,  # 'ָ'
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+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
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+        9: 0,  # 'א'
+        8: 2,  # 'ב'
+        20: 1,  # 'ג'
+        16: 2,  # 'ד'
+        3: 1,  # 'ה'
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+        14: 1,  # 'ח'
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+        1: 1,  # 'י'
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+        5: 1,  # 'ת'
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+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    33: {  # 'ִ'
+        50: 0,  # 'a'
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+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 1,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 1,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 1,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 1,  # 'ָ'
+        35: 0,  # 'ֹ'
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+        28: 1,  # 'ּ'
+        38: 0,  # 'ׁ'
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+        9: 1,  # 'א'
+        8: 2,  # 'ב'
+        20: 2,  # 'ג'
+        16: 2,  # 'ד'
+        3: 1,  # 'ה'
+        2: 1,  # 'ו'
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+        14: 1,  # 'ח'
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+        1: 3,  # 'י'
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+        18: 2,  # 'פ'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
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+        50: 0,  # 'a'
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+        57: 0,  # '¾'
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+        36: 1,  # 'ֶ'
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+        9: 2,  # 'א'
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+        1: 3,  # 'י'
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+        18: 1,  # 'פ'
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+        32: 0,  # '–'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    36: {  # 'ֶ'
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+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
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+        33: 0,  # 'ִ'
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+        36: 1,  # 'ֶ'
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+        28: 0,  # 'ּ'
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+        9: 2,  # 'א'
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+        16: 2,  # 'ד'
+        3: 2,  # 'ה'
+        2: 1,  # 'ו'
+        24: 1,  # 'ז'
+        14: 2,  # 'ח'
+        22: 1,  # 'ט'
+        1: 2,  # 'י'
+        25: 2,  # 'ך'
+        15: 1,  # 'כ'
+        4: 2,  # 'ל'
+        11: 2,  # 'ם'
+        6: 2,  # 'מ'
+        23: 2,  # 'ן'
+        12: 2,  # 'נ'
+        19: 2,  # 'ס'
+        13: 1,  # 'ע'
+        26: 1,  # 'ף'
+        18: 1,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 1,  # 'צ'
+        17: 1,  # 'ק'
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+        10: 2,  # 'ש'
+        5: 2,  # 'ת'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    31: {  # 'ַ'
+        50: 0,  # 'a'
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+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 1,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 1,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 2,  # 'ב'
+        20: 2,  # 'ג'
+        16: 2,  # 'ד'
+        3: 2,  # 'ה'
+        2: 1,  # 'ו'
+        24: 2,  # 'ז'
+        14: 2,  # 'ח'
+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 2,  # 'כ'
+        4: 2,  # 'ל'
+        11: 2,  # 'ם'
+        6: 2,  # 'מ'
+        23: 2,  # 'ן'
+        12: 2,  # 'נ'
+        19: 2,  # 'ס'
+        13: 2,  # 'ע'
+        26: 2,  # 'ף'
+        18: 2,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 2,  # 'ק'
+        7: 2,  # 'ר'
+        10: 2,  # 'ש'
+        5: 2,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    29: {  # 'ָ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
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+        56: 0,  # 'l'
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+        51: 0,  # 'r'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 1,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 1,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 2,  # 'ב'
+        20: 2,  # 'ג'
+        16: 2,  # 'ד'
+        3: 3,  # 'ה'
+        2: 2,  # 'ו'
+        24: 2,  # 'ז'
+        14: 2,  # 'ח'
+        22: 1,  # 'ט'
+        1: 2,  # 'י'
+        25: 2,  # 'ך'
+        15: 2,  # 'כ'
+        4: 2,  # 'ל'
+        11: 2,  # 'ם'
+        6: 2,  # 'מ'
+        23: 2,  # 'ן'
+        12: 2,  # 'נ'
+        19: 1,  # 'ס'
+        13: 2,  # 'ע'
+        26: 1,  # 'ף'
+        18: 2,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 2,  # 'ק'
+        7: 2,  # 'ר'
+        10: 2,  # 'ש'
+        5: 2,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    35: {  # 'ֹ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
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+        54: 0,  # 'n'
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+        51: 0,  # 'r'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 2,  # 'ב'
+        20: 1,  # 'ג'
+        16: 2,  # 'ד'
+        3: 2,  # 'ה'
+        2: 1,  # 'ו'
+        24: 1,  # 'ז'
+        14: 1,  # 'ח'
+        22: 1,  # 'ט'
+        1: 1,  # 'י'
+        25: 1,  # 'ך'
+        15: 2,  # 'כ'
+        4: 2,  # 'ל'
+        11: 2,  # 'ם'
+        6: 2,  # 'מ'
+        23: 2,  # 'ן'
+        12: 2,  # 'נ'
+        19: 2,  # 'ס'
+        13: 2,  # 'ע'
+        26: 1,  # 'ף'
+        18: 2,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 2,  # 'ק'
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+        10: 2,  # 'ש'
+        5: 2,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    62: {  # 'ֻ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 0,  # 'ִ'
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+        28: 0,  # 'ּ'
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+        9: 0,  # 'א'
+        8: 1,  # 'ב'
+        20: 1,  # 'ג'
+        16: 1,  # 'ד'
+        3: 1,  # 'ה'
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+        14: 1,  # 'ח'
+        22: 0,  # 'ט'
+        1: 1,  # 'י'
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+        12: 1,  # 'נ'
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+        13: 1,  # 'ע'
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+        18: 1,  # 'פ'
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+        21: 1,  # 'צ'
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+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    28: {  # 'ּ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 3,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 1,  # 'ֲ'
+        33: 3,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 3,  # 'ַ'
+        29: 3,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 2,  # 'ׁ'
+        45: 1,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 2,  # 'ב'
+        20: 1,  # 'ג'
+        16: 2,  # 'ד'
+        3: 1,  # 'ה'
+        2: 2,  # 'ו'
+        24: 1,  # 'ז'
+        14: 1,  # 'ח'
+        22: 1,  # 'ט'
+        1: 2,  # 'י'
+        25: 2,  # 'ך'
+        15: 2,  # 'כ'
+        4: 2,  # 'ל'
+        11: 1,  # 'ם'
+        6: 2,  # 'מ'
+        23: 1,  # 'ן'
+        12: 2,  # 'נ'
+        19: 1,  # 'ס'
+        13: 2,  # 'ע'
+        26: 1,  # 'ף'
+        18: 1,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 1,  # 'צ'
+        17: 1,  # 'ק'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    38: {  # 'ׁ'
+        50: 0,  # 'a'
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+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
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+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
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+        9: 0,  # 'א'
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+        13: 1,  # 'ע'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    45: {  # 'ׂ'
+        50: 0,  # 'a'
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+        61: 0,  # 'd'
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+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
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+        33: 2,  # 'ִ'
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+        36: 2,  # 'ֶ'
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+        29: 2,  # 'ָ'
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+        28: 0,  # 'ּ'
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+        9: 1,  # 'א'
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+        20: 1,  # 'ג'
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+        3: 1,  # 'ה'
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+        18: 1,  # 'פ'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    9: {  # 'א'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
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+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 1,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
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+        28: 0,  # 'ּ'
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+        9: 2,  # 'א'
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+        1: 3,  # 'י'
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+        18: 3,  # 'פ'
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+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    8: {  # 'ב'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 1,  # 'd'
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+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
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+        29: 2,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 3,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
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+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
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+        6: 3,  # 'מ'
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+        12: 3,  # 'נ'
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+        13: 3,  # 'ע'
+        26: 1,  # 'ף'
+        18: 3,  # 'פ'
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+        5: 3,  # 'ת'
+        32: 1,  # '–'
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+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    20: {  # 'ג'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
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+        34: 1,  # '\xa0'
+        55: 2,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 1,  # 'ִ'
+        37: 1,  # 'ֵ'
+        36: 1,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 3,  # 'ב'
+        20: 2,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 3,  # 'ז'
+        14: 2,  # 'ח'
+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 1,  # 'כ'
+        4: 3,  # 'ל'
+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 3,  # 'ן'
+        12: 3,  # 'נ'
+        19: 2,  # 'ס'
+        13: 3,  # 'ע'
+        26: 2,  # 'ף'
+        18: 2,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 1,  # 'צ'
+        17: 1,  # 'ק'
+        7: 3,  # 'ר'
+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    16: {  # 'ד'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 1,  # 'ז'
+        14: 2,  # 'ח'
+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
+        15: 2,  # 'כ'
+        4: 3,  # 'ל'
+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 2,  # 'ן'
+        12: 3,  # 'נ'
+        19: 2,  # 'ס'
+        13: 3,  # 'ע'
+        26: 2,  # 'ף'
+        18: 3,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 3,  # 'ק'
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+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    3: {  # 'ה'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 1,  # 'd'
+        42: 0,  # 'e'
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+        34: 1,  # '\xa0'
+        55: 0,  # '´'
+        48: 1,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 1,  # 'ְ'
+        59: 1,  # 'ֱ'
+        41: 2,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 3,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
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+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 3,  # 'כ'
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+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 3,  # 'ן'
+        12: 3,  # 'נ'
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+        13: 3,  # 'ע'
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+        18: 3,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
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+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 1,  # '–'
+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
+    2: {  # 'ו'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
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+        49: 0,  # 'o'
+        51: 0,  # 'r'
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+        44: 1,  # 't'
+        63: 0,  # 'u'
+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 1,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 1,  # 'ֵ'
+        36: 1,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 3,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 3,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
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+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 3,  # 'ך'
+        15: 3,  # 'כ'
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+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 3,  # 'ן'
+        12: 3,  # 'נ'
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+        13: 3,  # 'ע'
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+        18: 3,  # 'פ'
+        27: 3,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
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+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 1,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
+    24: {  # 'ז'
+        50: 0,  # 'a'
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+        34: 0,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 1,  # 'ֲ'
+        33: 1,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 2,  # 'ב'
+        20: 2,  # 'ג'
+        16: 2,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
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+        14: 2,  # 'ח'
+        22: 1,  # 'ט'
+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 3,  # 'כ'
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+        11: 2,  # 'ם'
+        6: 3,  # 'מ'
+        23: 2,  # 'ן'
+        12: 2,  # 'נ'
+        19: 1,  # 'ס'
+        13: 2,  # 'ע'
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+        18: 1,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 3,  # 'ק'
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+        10: 1,  # 'ש'
+        5: 2,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    14: {  # 'ח'
+        50: 0,  # 'a'
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+        61: 0,  # 'd'
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+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 1,  # 'ֱ'
+        41: 2,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 3,  # 'ב'
+        20: 2,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
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+        14: 2,  # 'ח'
+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 2,  # 'כ'
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+        6: 3,  # 'מ'
+        23: 2,  # 'ן'
+        12: 3,  # 'נ'
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+        13: 1,  # 'ע'
+        26: 2,  # 'ף'
+        18: 2,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
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+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 1,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    22: {  # 'ט'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
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+        34: 1,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 1,  # 'ֵ'
+        36: 1,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 1,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 1,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 1,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
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+        14: 3,  # 'ח'
+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 2,  # 'כ'
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+        11: 2,  # 'ם'
+        6: 2,  # 'מ'
+        23: 2,  # 'ן'
+        12: 3,  # 'נ'
+        19: 2,  # 'ס'
+        13: 3,  # 'ע'
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+        18: 3,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 2,  # 'ק'
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+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    1: {  # 'י'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
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+        56: 0,  # 'l'
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+        49: 0,  # 'o'
+        51: 0,  # 'r'
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+        63: 0,  # 'u'
+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 1,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 1,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
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+        14: 3,  # 'ח'
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+        1: 3,  # 'י'
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+        15: 3,  # 'כ'
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+        6: 3,  # 'מ'
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+        12: 3,  # 'נ'
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+        13: 3,  # 'ע'
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+        18: 3,  # 'פ'
+        27: 3,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
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+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 1,  # '–'
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+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
+    25: {  # 'ך'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
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+        49: 0,  # 'o'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 0,  # 'ִ'
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+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 1,  # 'ּ'
+        38: 0,  # 'ׁ'
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+        9: 1,  # 'א'
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+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
+        3: 1,  # 'ה'
+        2: 0,  # 'ו'
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+        14: 1,  # 'ח'
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+        1: 0,  # 'י'
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+        18: 0,  # 'פ'
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+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
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+        10: 1,  # 'ש'
+        5: 0,  # 'ת'
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+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    15: {  # 'כ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
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+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
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+        28: 3,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
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+        20: 2,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 3,  # 'ז'
+        14: 3,  # 'ח'
+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 3,  # 'ך'
+        15: 3,  # 'כ'
+        4: 3,  # 'ל'
+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 3,  # 'ן'
+        12: 3,  # 'נ'
+        19: 3,  # 'ס'
+        13: 2,  # 'ע'
+        26: 3,  # 'ף'
+        18: 3,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 2,  # 'ק'
+        7: 3,  # 'ר'
+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    4: {  # 'ל'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 3,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 3,  # 'ז'
+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 3,  # 'ך'
+        15: 3,  # 'כ'
+        4: 3,  # 'ל'
+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 2,  # 'ן'
+        12: 3,  # 'נ'
+        19: 3,  # 'ס'
+        13: 3,  # 'ע'
+        26: 2,  # 'ף'
+        18: 3,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
+        7: 3,  # 'ר'
+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 1,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    11: {  # 'ם'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 1,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
+        8: 1,  # 'ב'
+        20: 1,  # 'ג'
+        16: 0,  # 'ד'
+        3: 1,  # 'ה'
+        2: 1,  # 'ו'
+        24: 1,  # 'ז'
+        14: 1,  # 'ח'
+        22: 0,  # 'ט'
+        1: 1,  # 'י'
+        25: 0,  # 'ך'
+        15: 1,  # 'כ'
+        4: 1,  # 'ל'
+        11: 1,  # 'ם'
+        6: 1,  # 'מ'
+        23: 0,  # 'ן'
+        12: 1,  # 'נ'
+        19: 0,  # 'ס'
+        13: 1,  # 'ע'
+        26: 0,  # 'ף'
+        18: 1,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 1,  # 'צ'
+        17: 1,  # 'ק'
+        7: 1,  # 'ר'
+        10: 1,  # 'ש'
+        5: 1,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
+    6: {  # 'מ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 3,  # 'ז'
+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
+        15: 3,  # 'כ'
+        4: 3,  # 'ל'
+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 3,  # 'ן'
+        12: 3,  # 'נ'
+        19: 3,  # 'ס'
+        13: 3,  # 'ע'
+        26: 0,  # 'ף'
+        18: 3,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
+        7: 3,  # 'ר'
+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    23: {  # 'ן'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 1,  # '\xa0'
+        55: 0,  # '´'
+        48: 1,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
+        8: 1,  # 'ב'
+        20: 1,  # 'ג'
+        16: 1,  # 'ד'
+        3: 1,  # 'ה'
+        2: 1,  # 'ו'
+        24: 0,  # 'ז'
+        14: 1,  # 'ח'
+        22: 1,  # 'ט'
+        1: 1,  # 'י'
+        25: 0,  # 'ך'
+        15: 1,  # 'כ'
+        4: 1,  # 'ל'
+        11: 1,  # 'ם'
+        6: 1,  # 'מ'
+        23: 0,  # 'ן'
+        12: 1,  # 'נ'
+        19: 1,  # 'ס'
+        13: 1,  # 'ע'
+        26: 1,  # 'ף'
+        18: 1,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 0,  # 'צ'
+        17: 1,  # 'ק'
+        7: 1,  # 'ר'
+        10: 1,  # 'ש'
+        5: 1,  # 'ת'
+        32: 1,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
+    12: {  # 'נ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 3,  # 'ז'
+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
+        15: 3,  # 'כ'
+        4: 3,  # 'ל'
+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 3,  # 'ן'
+        12: 3,  # 'נ'
+        19: 3,  # 'ס'
+        13: 3,  # 'ע'
+        26: 2,  # 'ף'
+        18: 3,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
+        7: 3,  # 'ר'
+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    19: {  # 'ס'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 1,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 1,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 2,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 1,  # 'ז'
+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
+        15: 3,  # 'כ'
+        4: 3,  # 'ל'
+        11: 2,  # 'ם'
+        6: 3,  # 'מ'
+        23: 2,  # 'ן'
+        12: 3,  # 'נ'
+        19: 2,  # 'ס'
+        13: 3,  # 'ע'
+        26: 3,  # 'ף'
+        18: 3,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 3,  # 'ק'
+        7: 3,  # 'ר'
+        10: 1,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    13: {  # 'ע'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 1,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 1,  # 'ְ'
+        59: 1,  # 'ֱ'
+        41: 2,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 2,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 2,  # 'א'
+        8: 3,  # 'ב'
+        20: 3,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 3,  # 'ז'
+        14: 1,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
+        15: 2,  # 'כ'
+        4: 3,  # 'ל'
+        11: 3,  # 'ם'
+        6: 3,  # 'מ'
+        23: 2,  # 'ן'
+        12: 3,  # 'נ'
+        19: 3,  # 'ס'
+        13: 2,  # 'ע'
+        26: 1,  # 'ף'
+        18: 2,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
+        7: 3,  # 'ר'
+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    26: {  # 'ף'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
+        8: 0,  # 'ב'
+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
+        3: 0,  # 'ה'
+        2: 1,  # 'ו'
+        24: 0,  # 'ז'
+        14: 1,  # 'ח'
+        22: 0,  # 'ט'
+        1: 0,  # 'י'
+        25: 0,  # 'ך'
+        15: 1,  # 'כ'
+        4: 1,  # 'ל'
+        11: 0,  # 'ם'
+        6: 1,  # 'מ'
+        23: 0,  # 'ן'
+        12: 0,  # 'נ'
+        19: 1,  # 'ס'
+        13: 0,  # 'ע'
+        26: 1,  # 'ף'
+        18: 1,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 0,  # 'צ'
+        17: 1,  # 'ק'
+        7: 1,  # 'ר'
+        10: 1,  # 'ש'
+        5: 0,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    18: {  # 'פ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 1,  # 'ֵ'
+        36: 2,  # 'ֶ'
+        31: 1,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
+        8: 2,  # 'ב'
+        20: 3,  # 'ג'
+        16: 2,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 2,  # 'ז'
+        14: 3,  # 'ח'
+        22: 3,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
+        15: 3,  # 'כ'
+        4: 3,  # 'ל'
+        11: 2,  # 'ם'
+        6: 2,  # 'מ'
+        23: 3,  # 'ן'
+        12: 3,  # 'נ'
+        19: 3,  # 'ס'
+        13: 3,  # 'ע'
+        26: 2,  # 'ף'
+        18: 2,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 3,  # 'צ'
+        17: 3,  # 'ק'
+        7: 3,  # 'ר'
+        10: 3,  # 'ש'
+        5: 3,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    27: {  # 'ץ'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
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+        34: 0,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        29: 0,  # 'ָ'
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+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
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+        1: 0,  # 'י'
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+        6: 0,  # 'מ'
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+        12: 0,  # 'נ'
+        19: 1,  # 'ס'
+        13: 0,  # 'ע'
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+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
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+        10: 0,  # 'ש'
+        5: 1,  # 'ת'
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+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
+    21: {  # 'צ'
+        50: 0,  # 'a'
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+        34: 0,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 2,  # 'ִ'
+        37: 2,  # 'ֵ'
+        36: 1,  # 'ֶ'
+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
+        62: 1,  # 'ֻ'
+        28: 2,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 3,  # 'א'
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+        20: 2,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
+        2: 3,  # 'ו'
+        24: 1,  # 'ז'
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+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 1,  # 'כ'
+        4: 3,  # 'ל'
+        11: 2,  # 'ם'
+        6: 3,  # 'מ'
+        23: 2,  # 'ן'
+        12: 3,  # 'נ'
+        19: 1,  # 'ס'
+        13: 3,  # 'ע'
+        26: 2,  # 'ף'
+        18: 3,  # 'פ'
+        27: 2,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 3,  # 'ק'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    17: {  # 'ק'
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+        34: 1,  # '\xa0'
+        55: 1,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 2,  # 'ִ'
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+        36: 1,  # 'ֶ'
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+        38: 0,  # 'ׁ'
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+        9: 3,  # 'א'
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+        20: 2,  # 'ג'
+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
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+        14: 3,  # 'ח'
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+        1: 3,  # 'י'
+        25: 1,  # 'ך'
+        15: 1,  # 'כ'
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+        11: 2,  # 'ם'
+        6: 3,  # 'מ'
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+        12: 3,  # 'נ'
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+        13: 3,  # 'ע'
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+        18: 3,  # 'פ'
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+        21: 3,  # 'צ'
+        17: 2,  # 'ק'
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+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
+    },
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+        50: 0,  # 'a'
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+        34: 1,  # '\xa0'
+        55: 2,  # '´'
+        48: 1,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 1,  # 'ֲ'
+        33: 2,  # 'ִ'
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+        28: 0,  # 'ּ'
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+        9: 3,  # 'א'
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+        1: 3,  # 'י'
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+        18: 3,  # 'פ'
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+        46: 1,  # '”'
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+        40: 2,  # '…'
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+        39: 0,  # '½'
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+        30: 1,  # 'ְ'
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+        33: 1,  # 'ִ'
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+        28: 2,  # 'ּ'
+        38: 3,  # 'ׁ'
+        45: 2,  # 'ׂ'
+        9: 3,  # 'א'
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+        16: 3,  # 'ד'
+        3: 3,  # 'ה'
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+        14: 3,  # 'ח'
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+        1: 3,  # 'י'
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+        12: 3,  # 'נ'
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+        18: 3,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 2,  # 'צ'
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+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 1,  # '…'
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+        55: 0,  # '´'
+        48: 1,  # '¼'
+        39: 1,  # '½'
+        57: 0,  # '¾'
+        30: 2,  # 'ְ'
+        59: 0,  # 'ֱ'
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+        33: 2,  # 'ִ'
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+        31: 2,  # 'ַ'
+        29: 2,  # 'ָ'
+        35: 1,  # 'ֹ'
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+        28: 2,  # 'ּ'
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+        9: 3,  # 'א'
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+        3: 3,  # 'ה'
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+        14: 3,  # 'ח'
+        22: 2,  # 'ט'
+        1: 3,  # 'י'
+        25: 2,  # 'ך'
+        15: 3,  # 'כ'
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+        6: 3,  # 'מ'
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+        12: 3,  # 'נ'
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+        13: 3,  # 'ע'
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+        18: 3,  # 'פ'
+        27: 1,  # 'ץ'
+        21: 2,  # 'צ'
+        17: 3,  # 'ק'
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+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
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+        9: 1,  # 'א'
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+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    52: {  # '’'
+        50: 1,  # 'a'
+        60: 0,  # 'c'
+        61: 1,  # 'd'
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+        51: 1,  # 'r'
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+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
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+        30: 0,  # 'ְ'
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+        40: 0,  # '…'
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+        40: 0,  # '…'
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+        16: 0,  # 'ד'
+        3: 0,  # 'ה'
+        2: 0,  # 'ו'
+        24: 0,  # 'ז'
+        14: 0,  # 'ח'
+        22: 0,  # 'ט'
+        1: 1,  # 'י'
+        25: 0,  # 'ך'
+        15: 1,  # 'כ'
+        4: 1,  # 'ל'
+        11: 0,  # 'ם'
+        6: 1,  # 'מ'
+        23: 0,  # 'ן'
+        12: 0,  # 'נ'
+        19: 0,  # 'ס'
+        13: 0,  # 'ע'
+        26: 0,  # 'ף'
+        18: 0,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 1,  # 'צ'
+        17: 0,  # 'ק'
+        7: 1,  # 'ר'
+        10: 0,  # 'ש'
+        5: 0,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 0,  # '†'
+        40: 0,  # '…'
+    },
+    58: {  # '†'
+        50: 0,  # 'a'
+        60: 0,  # 'c'
+        61: 0,  # 'd'
+        42: 0,  # 'e'
+        53: 0,  # 'i'
+        56: 0,  # 'l'
+        54: 0,  # 'n'
+        49: 0,  # 'o'
+        51: 0,  # 'r'
+        43: 0,  # 's'
+        44: 0,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 0,  # 'א'
+        8: 0,  # 'ב'
+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
+        3: 0,  # 'ה'
+        2: 0,  # 'ו'
+        24: 0,  # 'ז'
+        14: 0,  # 'ח'
+        22: 0,  # 'ט'
+        1: 0,  # 'י'
+        25: 0,  # 'ך'
+        15: 0,  # 'כ'
+        4: 0,  # 'ל'
+        11: 0,  # 'ם'
+        6: 0,  # 'מ'
+        23: 0,  # 'ן'
+        12: 0,  # 'נ'
+        19: 0,  # 'ס'
+        13: 0,  # 'ע'
+        26: 0,  # 'ף'
+        18: 0,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
+        7: 0,  # 'ר'
+        10: 0,  # 'ש'
+        5: 0,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 0,  # '”'
+        58: 2,  # '†'
+        40: 0,  # '…'
+    },
+    40: {  # '…'
+        50: 1,  # 'a'
+        60: 1,  # 'c'
+        61: 1,  # 'd'
+        42: 1,  # 'e'
+        53: 1,  # 'i'
+        56: 0,  # 'l'
+        54: 1,  # 'n'
+        49: 0,  # 'o'
+        51: 1,  # 'r'
+        43: 1,  # 's'
+        44: 1,  # 't'
+        63: 0,  # 'u'
+        34: 0,  # '\xa0'
+        55: 0,  # '´'
+        48: 0,  # '¼'
+        39: 0,  # '½'
+        57: 0,  # '¾'
+        30: 0,  # 'ְ'
+        59: 0,  # 'ֱ'
+        41: 0,  # 'ֲ'
+        33: 0,  # 'ִ'
+        37: 0,  # 'ֵ'
+        36: 0,  # 'ֶ'
+        31: 0,  # 'ַ'
+        29: 0,  # 'ָ'
+        35: 0,  # 'ֹ'
+        62: 0,  # 'ֻ'
+        28: 0,  # 'ּ'
+        38: 0,  # 'ׁ'
+        45: 0,  # 'ׂ'
+        9: 1,  # 'א'
+        8: 0,  # 'ב'
+        20: 0,  # 'ג'
+        16: 0,  # 'ד'
+        3: 1,  # 'ה'
+        2: 1,  # 'ו'
+        24: 1,  # 'ז'
+        14: 0,  # 'ח'
+        22: 0,  # 'ט'
+        1: 1,  # 'י'
+        25: 0,  # 'ך'
+        15: 1,  # 'כ'
+        4: 1,  # 'ל'
+        11: 0,  # 'ם'
+        6: 1,  # 'מ'
+        23: 0,  # 'ן'
+        12: 1,  # 'נ'
+        19: 0,  # 'ס'
+        13: 0,  # 'ע'
+        26: 0,  # 'ף'
+        18: 1,  # 'פ'
+        27: 0,  # 'ץ'
+        21: 0,  # 'צ'
+        17: 0,  # 'ק'
+        7: 1,  # 'ר'
+        10: 1,  # 'ש'
+        5: 1,  # 'ת'
+        32: 0,  # '–'
+        52: 0,  # '’'
+        47: 0,  # '“'
+        46: 1,  # '”'
+        58: 0,  # '†'
+        40: 2,  # '…'
+    },
+}
+
+# 255: Undefined characters that did not exist in training text
+# 254: Carriage/Return
+# 253: symbol (punctuation) that does not belong to word
+# 252: 0 - 9
+# 251: Control characters
+
+# Character Mapping Table(s):
+WINDOWS_1255_HEBREW_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 69,  # 'A'
+    66: 91,  # 'B'
+    67: 79,  # 'C'
+    68: 80,  # 'D'
+    69: 92,  # 'E'
+    70: 89,  # 'F'
+    71: 97,  # 'G'
+    72: 90,  # 'H'
+    73: 68,  # 'I'
+    74: 111,  # 'J'
+    75: 112,  # 'K'
+    76: 82,  # 'L'
+    77: 73,  # 'M'
+    78: 95,  # 'N'
+    79: 85,  # 'O'
+    80: 78,  # 'P'
+    81: 121,  # 'Q'
+    82: 86,  # 'R'
+    83: 71,  # 'S'
+    84: 67,  # 'T'
+    85: 102,  # 'U'
+    86: 107,  # 'V'
+    87: 84,  # 'W'
+    88: 114,  # 'X'
+    89: 103,  # 'Y'
+    90: 115,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 50,  # 'a'
+    98: 74,  # 'b'
+    99: 60,  # 'c'
+    100: 61,  # 'd'
+    101: 42,  # 'e'
+    102: 76,  # 'f'
+    103: 70,  # 'g'
+    104: 64,  # 'h'
+    105: 53,  # 'i'
+    106: 105,  # 'j'
+    107: 93,  # 'k'
+    108: 56,  # 'l'
+    109: 65,  # 'm'
+    110: 54,  # 'n'
+    111: 49,  # 'o'
+    112: 66,  # 'p'
+    113: 110,  # 'q'
+    114: 51,  # 'r'
+    115: 43,  # 's'
+    116: 44,  # 't'
+    117: 63,  # 'u'
+    118: 81,  # 'v'
+    119: 77,  # 'w'
+    120: 98,  # 'x'
+    121: 75,  # 'y'
+    122: 108,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 124,  # '€'
+    129: 202,  # None
+    130: 203,  # '‚'
+    131: 204,  # 'ƒ'
+    132: 205,  # '„'
+    133: 40,  # '…'
+    134: 58,  # '†'
+    135: 206,  # '‡'
+    136: 207,  # 'ˆ'
+    137: 208,  # '‰'
+    138: 209,  # None
+    139: 210,  # '‹'
+    140: 211,  # None
+    141: 212,  # None
+    142: 213,  # None
+    143: 214,  # None
+    144: 215,  # None
+    145: 83,  # '‘'
+    146: 52,  # '’'
+    147: 47,  # '“'
+    148: 46,  # '”'
+    149: 72,  # '•'
+    150: 32,  # '–'
+    151: 94,  # '—'
+    152: 216,  # '˜'
+    153: 113,  # '™'
+    154: 217,  # None
+    155: 109,  # '›'
+    156: 218,  # None
+    157: 219,  # None
+    158: 220,  # None
+    159: 221,  # None
+    160: 34,  # '\xa0'
+    161: 116,  # '¡'
+    162: 222,  # '¢'
+    163: 118,  # '£'
+    164: 100,  # '₪'
+    165: 223,  # '¥'
+    166: 224,  # '¦'
+    167: 117,  # '§'
+    168: 119,  # '¨'
+    169: 104,  # '©'
+    170: 125,  # '×'
+    171: 225,  # '«'
+    172: 226,  # '¬'
+    173: 87,  # '\xad'
+    174: 99,  # '®'
+    175: 227,  # '¯'
+    176: 106,  # '°'
+    177: 122,  # '±'
+    178: 123,  # '²'
+    179: 228,  # '³'
+    180: 55,  # '´'
+    181: 229,  # 'µ'
+    182: 230,  # '¶'
+    183: 101,  # '·'
+    184: 231,  # '¸'
+    185: 232,  # '¹'
+    186: 120,  # '÷'
+    187: 233,  # '»'
+    188: 48,  # '¼'
+    189: 39,  # '½'
+    190: 57,  # '¾'
+    191: 234,  # '¿'
+    192: 30,  # 'ְ'
+    193: 59,  # 'ֱ'
+    194: 41,  # 'ֲ'
+    195: 88,  # 'ֳ'
+    196: 33,  # 'ִ'
+    197: 37,  # 'ֵ'
+    198: 36,  # 'ֶ'
+    199: 31,  # 'ַ'
+    200: 29,  # 'ָ'
+    201: 35,  # 'ֹ'
+    202: 235,  # None
+    203: 62,  # 'ֻ'
+    204: 28,  # 'ּ'
+    205: 236,  # 'ֽ'
+    206: 126,  # '־'
+    207: 237,  # 'ֿ'
+    208: 238,  # '׀'
+    209: 38,  # 'ׁ'
+    210: 45,  # 'ׂ'
+    211: 239,  # '׃'
+    212: 240,  # 'װ'
+    213: 241,  # 'ױ'
+    214: 242,  # 'ײ'
+    215: 243,  # '׳'
+    216: 127,  # '״'
+    217: 244,  # None
+    218: 245,  # None
+    219: 246,  # None
+    220: 247,  # None
+    221: 248,  # None
+    222: 249,  # None
+    223: 250,  # None
+    224: 9,  # 'א'
+    225: 8,  # 'ב'
+    226: 20,  # 'ג'
+    227: 16,  # 'ד'
+    228: 3,  # 'ה'
+    229: 2,  # 'ו'
+    230: 24,  # 'ז'
+    231: 14,  # 'ח'
+    232: 22,  # 'ט'
+    233: 1,  # 'י'
+    234: 25,  # 'ך'
+    235: 15,  # 'כ'
+    236: 4,  # 'ל'
+    237: 11,  # 'ם'
+    238: 6,  # 'מ'
+    239: 23,  # 'ן'
+    240: 12,  # 'נ'
+    241: 19,  # 'ס'
+    242: 13,  # 'ע'
+    243: 26,  # 'ף'
+    244: 18,  # 'פ'
+    245: 27,  # 'ץ'
+    246: 21,  # 'צ'
+    247: 17,  # 'ק'
+    248: 7,  # 'ר'
+    249: 10,  # 'ש'
+    250: 5,  # 'ת'
+    251: 251,  # None
+    252: 252,  # None
+    253: 128,  # '\u200e'
+    254: 96,  # '\u200f'
+    255: 253,  # None
+}
+
+WINDOWS_1255_HEBREW_MODEL = SingleByteCharSetModel(
+    charset_name="windows-1255",
+    language="Hebrew",
+    char_to_order_map=WINDOWS_1255_HEBREW_CHAR_TO_ORDER,
+    language_model=HEBREW_LANG_MODEL,
+    typical_positive_ratio=0.984004,
+    keep_ascii_letters=False,
+    alphabet="אבגדהוזחטיךכלםמןנסעףפץצקרשתװױײ",
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langhungarianmodel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langhungarianmodel.py
new file mode 100644
index 00000000..09a0d326
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langhungarianmodel.py
@@ -0,0 +1,4649 @@
+from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel
+
+# 3: Positive
+# 2: Likely
+# 1: Unlikely
+# 0: Negative
+
+HUNGARIAN_LANG_MODEL = {
+    28: {  # 'A'
+        28: 0,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 2,  # 'D'
+        32: 1,  # 'E'
+        50: 1,  # 'F'
+        49: 2,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 2,  # 'K'
+        41: 2,  # 'L'
+        34: 1,  # 'M'
+        35: 2,  # 'N'
+        47: 1,  # 'O'
+        46: 2,  # 'P'
+        43: 2,  # 'R'
+        33: 2,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 2,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 2,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 1,  # 'i'
+        22: 1,  # 'j'
+        7: 2,  # 'k'
+        6: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 2,  # 'n'
+        8: 0,  # 'o'
+        23: 2,  # 'p'
+        10: 2,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 1,  # 'u'
+        19: 1,  # 'v'
+        62: 1,  # 'x'
+        16: 0,  # 'y'
+        11: 3,  # 'z'
+        51: 1,  # 'Á'
+        44: 0,  # 'É'
+        61: 1,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    40: {  # 'B'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 0,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 3,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 2,  # 'i'
+        22: 1,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 3,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    54: {  # 'C'
+        28: 1,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 1,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 0,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 2,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 0,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 1,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 1,  # 'h'
+        9: 1,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 3,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 1,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    45: {  # 'D'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 0,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 0,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 3,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 1,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 1,  # 'o'
+        23: 0,  # 'p'
+        10: 2,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 2,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 1,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    32: {  # 'E'
+        28: 1,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 1,  # 'E'
+        50: 1,  # 'F'
+        49: 2,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 2,  # 'K'
+        41: 2,  # 'L'
+        34: 2,  # 'M'
+        35: 2,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 2,  # 'R'
+        33: 2,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 1,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 2,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 3,  # 'g'
+        20: 1,  # 'h'
+        9: 1,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 2,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 2,  # 's'
+        3: 1,  # 't'
+        21: 2,  # 'u'
+        19: 1,  # 'v'
+        62: 1,  # 'x'
+        16: 0,  # 'y'
+        11: 3,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 0,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 1,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    50: {  # 'F'
+        28: 1,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 1,  # 'E'
+        50: 1,  # 'F'
+        49: 0,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 0,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 0,  # 'V'
+        55: 1,  # 'Y'
+        52: 0,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 1,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 2,  # 'i'
+        22: 1,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 2,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 0,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 2,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    49: {  # 'G'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 2,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 1,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 2,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 2,  # 'y'
+        11: 0,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 0,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    38: {  # 'H'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 0,  # 'D'
+        32: 1,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 1,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 1,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 1,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 0,  # 'V'
+        55: 1,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 2,  # 'i'
+        22: 1,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 0,  # 'n'
+        8: 3,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 2,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 2,  # 'Á'
+        44: 2,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 1,  # 'é'
+        30: 2,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    39: {  # 'I'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 1,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 2,  # 'K'
+        41: 2,  # 'L'
+        34: 1,  # 'M'
+        35: 2,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 2,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 2,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 2,  # 'd'
+        1: 0,  # 'e'
+        27: 1,  # 'f'
+        12: 2,  # 'g'
+        20: 1,  # 'h'
+        9: 0,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 1,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 2,  # 's'
+        3: 2,  # 't'
+        21: 0,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 0,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    53: {  # 'J'
+        28: 2,  # 'A'
+        40: 0,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 1,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 1,  # 'o'
+        23: 0,  # 'p'
+        10: 0,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 2,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 0,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 1,  # 'é'
+        30: 0,  # 'í'
+        25: 2,  # 'ó'
+        24: 2,  # 'ö'
+        31: 1,  # 'ú'
+        29: 0,  # 'ü'
+        42: 1,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    36: {  # 'K'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 0,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 0,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 1,  # 'f'
+        12: 0,  # 'g'
+        20: 1,  # 'h'
+        9: 3,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 2,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 2,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 2,  # 'ö'
+        31: 1,  # 'ú'
+        29: 2,  # 'ü'
+        42: 1,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    41: {  # 'L'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 2,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 3,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 2,  # 'i'
+        22: 1,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 0,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 2,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 2,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 0,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    34: {  # 'M'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 0,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 3,  # 'a'
+        18: 0,  # 'b'
+        26: 1,  # 'c'
+        17: 0,  # 'd'
+        1: 3,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 3,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 3,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 2,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 2,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    35: {  # 'N'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 2,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 2,  # 'Y'
+        52: 1,  # 'Z'
+        2: 3,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 3,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 2,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 0,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 2,  # 'y'
+        11: 0,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 1,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 1,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    47: {  # 'O'
+        28: 1,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 1,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 2,  # 'K'
+        41: 2,  # 'L'
+        34: 2,  # 'M'
+        35: 2,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 2,  # 'R'
+        33: 2,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 1,  # 'i'
+        22: 1,  # 'j'
+        7: 2,  # 'k'
+        6: 2,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 1,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 1,  # 's'
+        3: 2,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 1,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 0,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    46: {  # 'P'
+        28: 1,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 1,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 0,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 2,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 1,  # 'f'
+        12: 0,  # 'g'
+        20: 1,  # 'h'
+        9: 2,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 2,  # 'r'
+        5: 1,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 2,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 3,  # 'á'
+        15: 2,  # 'é'
+        30: 0,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 0,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    43: {  # 'R'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 2,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 1,  # 'h'
+        9: 2,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 0,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 2,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 2,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 2,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    33: {  # 'S'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 2,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 3,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 1,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 1,  # 'h'
+        9: 2,  # 'i'
+        22: 0,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 1,  # 'p'
+        10: 0,  # 'r'
+        5: 0,  # 's'
+        3: 1,  # 't'
+        21: 1,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 3,  # 'z'
+        51: 2,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    37: {  # 'T'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 1,  # 'P'
+        43: 2,  # 'R'
+        33: 1,  # 'S'
+        37: 2,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 2,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 1,  # 'h'
+        9: 2,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 0,  # 't'
+        21: 2,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 1,  # 'z'
+        51: 2,  # 'Á'
+        44: 2,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 2,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    57: {  # 'U'
+        28: 1,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 1,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 2,  # 'S'
+        37: 1,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 1,  # 'e'
+        27: 0,  # 'f'
+        12: 2,  # 'g'
+        20: 0,  # 'h'
+        9: 0,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 1,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    48: {  # 'V'
+        28: 2,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 0,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 2,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 2,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 2,  # 'o'
+        23: 0,  # 'p'
+        10: 0,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 2,  # 'Á'
+        44: 2,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 2,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 0,  # 'ó'
+        24: 1,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    55: {  # 'Y'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 1,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 2,  # 'Z'
+        2: 1,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 1,  # 'd'
+        1: 1,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 0,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        8: 1,  # 'o'
+        23: 1,  # 'p'
+        10: 0,  # 'r'
+        5: 0,  # 's'
+        3: 0,  # 't'
+        21: 0,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 1,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    52: {  # 'Z'
+        28: 2,  # 'A'
+        40: 1,  # 'B'
+        54: 0,  # 'C'
+        45: 1,  # 'D'
+        32: 2,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 2,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 2,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 2,  # 'S'
+        37: 1,  # 'T'
+        57: 1,  # 'U'
+        48: 1,  # 'V'
+        55: 1,  # 'Y'
+        52: 1,  # 'Z'
+        2: 1,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 1,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 1,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        8: 1,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 2,  # 's'
+        3: 0,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 2,  # 'Á'
+        44: 1,  # 'É'
+        61: 1,  # 'Í'
+        58: 1,  # 'Ó'
+        59: 1,  # 'Ö'
+        60: 1,  # 'Ú'
+        63: 1,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    2: {  # 'a'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 3,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 2,  # 'e'
+        27: 2,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 3,  # 'i'
+        22: 3,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 2,  # 'o'
+        23: 3,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 1,  # 'x'
+        16: 2,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    18: {  # 'b'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 3,  # 'i'
+        22: 2,  # 'j'
+        7: 2,  # 'k'
+        6: 2,  # 'l'
+        13: 1,  # 'm'
+        4: 2,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 3,  # 'r'
+        5: 2,  # 's'
+        3: 1,  # 't'
+        21: 3,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 3,  # 'ó'
+        24: 2,  # 'ö'
+        31: 2,  # 'ú'
+        29: 2,  # 'ü'
+        42: 2,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    26: {  # 'c'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 1,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 1,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 2,  # 'a'
+        18: 1,  # 'b'
+        26: 2,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 3,  # 'h'
+        9: 3,  # 'i'
+        22: 1,  # 'j'
+        7: 2,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 3,  # 's'
+        3: 2,  # 't'
+        21: 2,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 2,  # 'á'
+        15: 2,  # 'é'
+        30: 2,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    17: {  # 'd'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 2,  # 'b'
+        26: 1,  # 'c'
+        17: 2,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 3,  # 'j'
+        7: 2,  # 'k'
+        6: 1,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 2,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 3,  # 'í'
+        25: 3,  # 'ó'
+        24: 3,  # 'ö'
+        31: 2,  # 'ú'
+        29: 2,  # 'ü'
+        42: 2,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    1: {  # 'e'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 2,  # 'a'
+        18: 3,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 2,  # 'e'
+        27: 3,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 3,  # 'i'
+        22: 3,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 2,  # 'o'
+        23: 3,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 2,  # 'u'
+        19: 3,  # 'v'
+        62: 2,  # 'x'
+        16: 2,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    27: {  # 'f'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 2,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 3,  # 'i'
+        22: 2,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 3,  # 'o'
+        23: 0,  # 'p'
+        10: 3,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 2,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 0,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 3,  # 'ö'
+        31: 1,  # 'ú'
+        29: 2,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    12: {  # 'g'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 2,  # 'c'
+        17: 2,  # 'd'
+        1: 3,  # 'e'
+        27: 2,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 3,  # 'i'
+        22: 3,  # 'j'
+        7: 2,  # 'k'
+        6: 3,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 3,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 3,  # 'ó'
+        24: 2,  # 'ö'
+        31: 2,  # 'ú'
+        29: 2,  # 'ü'
+        42: 2,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    20: {  # 'h'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 0,  # 'd'
+        1: 3,  # 'e'
+        27: 0,  # 'f'
+        12: 1,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 3,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 2,  # 's'
+        3: 1,  # 't'
+        21: 3,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 2,  # 'y'
+        11: 0,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 3,  # 'í'
+        25: 2,  # 'ó'
+        24: 2,  # 'ö'
+        31: 2,  # 'ú'
+        29: 1,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    9: {  # 'i'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 3,  # 'e'
+        27: 3,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 2,  # 'i'
+        22: 2,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 2,  # 'o'
+        23: 2,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 1,  # 'x'
+        16: 1,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 3,  # 'ó'
+        24: 1,  # 'ö'
+        31: 2,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    22: {  # 'j'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 2,  # 'b'
+        26: 1,  # 'c'
+        17: 3,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 2,  # 'h'
+        9: 1,  # 'i'
+        22: 2,  # 'j'
+        7: 2,  # 'k'
+        6: 2,  # 'l'
+        13: 1,  # 'm'
+        4: 2,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 2,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 1,  # 'í'
+        25: 3,  # 'ó'
+        24: 3,  # 'ö'
+        31: 3,  # 'ú'
+        29: 2,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    7: {  # 'k'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 2,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 2,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 1,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 2,  # 'v'
+        62: 0,  # 'x'
+        16: 2,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 3,  # 'í'
+        25: 2,  # 'ó'
+        24: 3,  # 'ö'
+        31: 1,  # 'ú'
+        29: 3,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    6: {  # 'l'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 1,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 1,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 2,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 3,  # 'e'
+        27: 3,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 3,  # 'i'
+        22: 3,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 2,  # 'p'
+        10: 2,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 3,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 3,  # 'í'
+        25: 3,  # 'ó'
+        24: 3,  # 'ö'
+        31: 2,  # 'ú'
+        29: 2,  # 'ü'
+        42: 3,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    13: {  # 'm'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 2,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 2,  # 'j'
+        7: 1,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        8: 3,  # 'o'
+        23: 3,  # 'p'
+        10: 2,  # 'r'
+        5: 2,  # 's'
+        3: 2,  # 't'
+        21: 3,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 2,  # 'ó'
+        24: 2,  # 'ö'
+        31: 2,  # 'ú'
+        29: 2,  # 'ü'
+        42: 1,  # 'ő'
+        56: 2,  # 'ű'
+    },
+    4: {  # 'n'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 3,  # 'e'
+        27: 2,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 3,  # 'i'
+        22: 2,  # 'j'
+        7: 3,  # 'k'
+        6: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 2,  # 'p'
+        10: 2,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 2,  # 'v'
+        62: 1,  # 'x'
+        16: 3,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 2,  # 'ó'
+        24: 3,  # 'ö'
+        31: 2,  # 'ú'
+        29: 3,  # 'ü'
+        42: 2,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    8: {  # 'o'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 1,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 2,  # 'a'
+        18: 3,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 2,  # 'e'
+        27: 2,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 2,  # 'i'
+        22: 2,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 1,  # 'o'
+        23: 3,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 2,  # 'u'
+        19: 3,  # 'v'
+        62: 1,  # 'x'
+        16: 1,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    23: {  # 'p'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 1,  # 'b'
+        26: 2,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 2,  # 'j'
+        7: 2,  # 'k'
+        6: 3,  # 'l'
+        13: 1,  # 'm'
+        4: 2,  # 'n'
+        8: 3,  # 'o'
+        23: 3,  # 'p'
+        10: 3,  # 'r'
+        5: 2,  # 's'
+        3: 2,  # 't'
+        21: 3,  # 'u'
+        19: 2,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 2,  # 'ó'
+        24: 2,  # 'ö'
+        31: 1,  # 'ú'
+        29: 2,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    10: {  # 'r'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 3,  # 'e'
+        27: 2,  # 'f'
+        12: 3,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 3,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 2,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 1,  # 'x'
+        16: 2,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 3,  # 'ó'
+        24: 3,  # 'ö'
+        31: 3,  # 'ú'
+        29: 3,  # 'ü'
+        42: 2,  # 'ő'
+        56: 2,  # 'ű'
+    },
+    5: {  # 's'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 2,  # 'c'
+        17: 2,  # 'd'
+        1: 3,  # 'e'
+        27: 2,  # 'f'
+        12: 2,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 1,  # 'j'
+        7: 3,  # 'k'
+        6: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 2,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 2,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 3,  # 'í'
+        25: 3,  # 'ó'
+        24: 3,  # 'ö'
+        31: 3,  # 'ú'
+        29: 3,  # 'ü'
+        42: 2,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    3: {  # 't'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 3,  # 'b'
+        26: 2,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 2,  # 'f'
+        12: 1,  # 'g'
+        20: 3,  # 'h'
+        9: 3,  # 'i'
+        22: 3,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 3,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 3,  # 'ó'
+        24: 3,  # 'ö'
+        31: 3,  # 'ú'
+        29: 3,  # 'ü'
+        42: 3,  # 'ő'
+        56: 2,  # 'ű'
+    },
+    21: {  # 'u'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 2,  # 'b'
+        26: 2,  # 'c'
+        17: 3,  # 'd'
+        1: 2,  # 'e'
+        27: 1,  # 'f'
+        12: 3,  # 'g'
+        20: 2,  # 'h'
+        9: 2,  # 'i'
+        22: 2,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 1,  # 'o'
+        23: 2,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 1,  # 'u'
+        19: 3,  # 'v'
+        62: 1,  # 'x'
+        16: 1,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 2,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 0,  # 'ö'
+        31: 1,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    19: {  # 'v'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 2,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 3,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 1,  # 'r'
+        5: 2,  # 's'
+        3: 2,  # 't'
+        21: 2,  # 'u'
+        19: 2,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 2,  # 'ó'
+        24: 2,  # 'ö'
+        31: 1,  # 'ú'
+        29: 2,  # 'ü'
+        42: 1,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    62: {  # 'x'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 0,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 1,  # 'i'
+        22: 0,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 1,  # 'o'
+        23: 1,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 1,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 1,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    16: {  # 'y'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 2,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 3,  # 'e'
+        27: 2,  # 'f'
+        12: 2,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 2,  # 'j'
+        7: 2,  # 'k'
+        6: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 2,  # 'p'
+        10: 2,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 2,  # 'í'
+        25: 2,  # 'ó'
+        24: 3,  # 'ö'
+        31: 2,  # 'ú'
+        29: 2,  # 'ü'
+        42: 1,  # 'ő'
+        56: 2,  # 'ű'
+    },
+    11: {  # 'z'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 3,  # 'a'
+        18: 2,  # 'b'
+        26: 1,  # 'c'
+        17: 3,  # 'd'
+        1: 3,  # 'e'
+        27: 1,  # 'f'
+        12: 2,  # 'g'
+        20: 2,  # 'h'
+        9: 3,  # 'i'
+        22: 1,  # 'j'
+        7: 3,  # 'k'
+        6: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 3,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 3,  # 'u'
+        19: 2,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 3,  # 'á'
+        15: 3,  # 'é'
+        30: 3,  # 'í'
+        25: 3,  # 'ó'
+        24: 3,  # 'ö'
+        31: 2,  # 'ú'
+        29: 3,  # 'ü'
+        42: 2,  # 'ő'
+        56: 1,  # 'ű'
+    },
+    51: {  # 'Á'
+        28: 0,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 0,  # 'E'
+        50: 1,  # 'F'
+        49: 2,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 2,  # 'L'
+        34: 1,  # 'M'
+        35: 2,  # 'N'
+        47: 0,  # 'O'
+        46: 1,  # 'P'
+        43: 2,  # 'R'
+        33: 2,  # 'S'
+        37: 1,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 0,  # 'e'
+        27: 0,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 0,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 1,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    44: {  # 'É'
+        28: 0,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 1,  # 'E'
+        50: 0,  # 'F'
+        49: 2,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 2,  # 'L'
+        34: 1,  # 'M'
+        35: 2,  # 'N'
+        47: 0,  # 'O'
+        46: 1,  # 'P'
+        43: 2,  # 'R'
+        33: 2,  # 'S'
+        37: 2,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 0,  # 'e'
+        27: 0,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 0,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 2,  # 'l'
+        13: 1,  # 'm'
+        4: 2,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 3,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 0,  # 'Á'
+        44: 1,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    61: {  # 'Í'
+        28: 0,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 0,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 1,  # 'J'
+        36: 0,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 0,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 0,  # 'e'
+        27: 0,  # 'f'
+        12: 2,  # 'g'
+        20: 0,  # 'h'
+        9: 0,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 0,  # 'n'
+        8: 0,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 0,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    58: {  # 'Ó'
+        28: 1,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 0,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 1,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 2,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 0,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 0,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 2,  # 'h'
+        9: 0,  # 'i'
+        22: 0,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 0,  # 't'
+        21: 0,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 1,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    59: {  # 'Ö'
+        28: 0,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 0,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 0,  # 'O'
+        46: 1,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 0,  # 'b'
+        26: 1,  # 'c'
+        17: 1,  # 'd'
+        1: 0,  # 'e'
+        27: 0,  # 'f'
+        12: 0,  # 'g'
+        20: 0,  # 'h'
+        9: 0,  # 'i'
+        22: 0,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        8: 0,  # 'o'
+        23: 0,  # 'p'
+        10: 2,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    60: {  # 'Ú'
+        28: 0,  # 'A'
+        40: 1,  # 'B'
+        54: 1,  # 'C'
+        45: 1,  # 'D'
+        32: 0,  # 'E'
+        50: 1,  # 'F'
+        49: 1,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 0,  # 'b'
+        26: 0,  # 'c'
+        17: 0,  # 'd'
+        1: 0,  # 'e'
+        27: 0,  # 'f'
+        12: 2,  # 'g'
+        20: 0,  # 'h'
+        9: 0,  # 'i'
+        22: 2,  # 'j'
+        7: 0,  # 'k'
+        6: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        8: 0,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 0,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 0,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    63: {  # 'Ü'
+        28: 0,  # 'A'
+        40: 1,  # 'B'
+        54: 0,  # 'C'
+        45: 1,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 1,  # 'G'
+        38: 1,  # 'H'
+        39: 0,  # 'I'
+        53: 1,  # 'J'
+        36: 1,  # 'K'
+        41: 1,  # 'L'
+        34: 1,  # 'M'
+        35: 1,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 1,  # 'R'
+        33: 1,  # 'S'
+        37: 1,  # 'T'
+        57: 0,  # 'U'
+        48: 1,  # 'V'
+        55: 0,  # 'Y'
+        52: 1,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 0,  # 'c'
+        17: 1,  # 'd'
+        1: 0,  # 'e'
+        27: 0,  # 'f'
+        12: 1,  # 'g'
+        20: 0,  # 'h'
+        9: 0,  # 'i'
+        22: 0,  # 'j'
+        7: 0,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        8: 0,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 1,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    14: {  # 'á'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 3,  # 'b'
+        26: 3,  # 'c'
+        17: 3,  # 'd'
+        1: 1,  # 'e'
+        27: 2,  # 'f'
+        12: 3,  # 'g'
+        20: 2,  # 'h'
+        9: 2,  # 'i'
+        22: 3,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 1,  # 'o'
+        23: 2,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 2,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 1,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 2,  # 'é'
+        30: 1,  # 'í'
+        25: 0,  # 'ó'
+        24: 1,  # 'ö'
+        31: 0,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    15: {  # 'é'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 3,  # 'b'
+        26: 2,  # 'c'
+        17: 3,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 3,  # 'g'
+        20: 3,  # 'h'
+        9: 2,  # 'i'
+        22: 2,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 1,  # 'o'
+        23: 3,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 0,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    30: {  # 'í'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 0,  # 'a'
+        18: 1,  # 'b'
+        26: 2,  # 'c'
+        17: 1,  # 'd'
+        1: 0,  # 'e'
+        27: 1,  # 'f'
+        12: 3,  # 'g'
+        20: 0,  # 'h'
+        9: 0,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 3,  # 'r'
+        5: 2,  # 's'
+        3: 3,  # 't'
+        21: 0,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    25: {  # 'ó'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 2,  # 'a'
+        18: 3,  # 'b'
+        26: 2,  # 'c'
+        17: 3,  # 'd'
+        1: 1,  # 'e'
+        27: 2,  # 'f'
+        12: 2,  # 'g'
+        20: 2,  # 'h'
+        9: 2,  # 'i'
+        22: 2,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        8: 1,  # 'o'
+        23: 2,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 1,  # 'u'
+        19: 2,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 0,  # 'ó'
+        24: 1,  # 'ö'
+        31: 1,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    24: {  # 'ö'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 0,  # 'a'
+        18: 3,  # 'b'
+        26: 1,  # 'c'
+        17: 2,  # 'd'
+        1: 0,  # 'e'
+        27: 1,  # 'f'
+        12: 2,  # 'g'
+        20: 1,  # 'h'
+        9: 0,  # 'i'
+        22: 1,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        8: 0,  # 'o'
+        23: 2,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 3,  # 't'
+        21: 0,  # 'u'
+        19: 3,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 3,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    31: {  # 'ú'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 1,  # 'b'
+        26: 2,  # 'c'
+        17: 1,  # 'd'
+        1: 1,  # 'e'
+        27: 2,  # 'f'
+        12: 3,  # 'g'
+        20: 1,  # 'h'
+        9: 1,  # 'i'
+        22: 3,  # 'j'
+        7: 1,  # 'k'
+        6: 3,  # 'l'
+        13: 1,  # 'm'
+        4: 2,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 3,  # 'r'
+        5: 3,  # 's'
+        3: 2,  # 't'
+        21: 1,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 1,  # 'á'
+        15: 1,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    29: {  # 'ü'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 1,  # 'b'
+        26: 1,  # 'c'
+        17: 2,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 3,  # 'g'
+        20: 2,  # 'h'
+        9: 1,  # 'i'
+        22: 1,  # 'j'
+        7: 3,  # 'k'
+        6: 3,  # 'l'
+        13: 1,  # 'm'
+        4: 3,  # 'n'
+        8: 0,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 2,  # 's'
+        3: 2,  # 't'
+        21: 0,  # 'u'
+        19: 2,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 1,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    42: {  # 'ő'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 2,  # 'b'
+        26: 1,  # 'c'
+        17: 2,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 1,  # 'i'
+        22: 1,  # 'j'
+        7: 2,  # 'k'
+        6: 3,  # 'l'
+        13: 1,  # 'm'
+        4: 2,  # 'n'
+        8: 1,  # 'o'
+        23: 1,  # 'p'
+        10: 2,  # 'r'
+        5: 2,  # 's'
+        3: 2,  # 't'
+        21: 1,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 1,  # 'é'
+        30: 1,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 1,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+    56: {  # 'ű'
+        28: 0,  # 'A'
+        40: 0,  # 'B'
+        54: 0,  # 'C'
+        45: 0,  # 'D'
+        32: 0,  # 'E'
+        50: 0,  # 'F'
+        49: 0,  # 'G'
+        38: 0,  # 'H'
+        39: 0,  # 'I'
+        53: 0,  # 'J'
+        36: 0,  # 'K'
+        41: 0,  # 'L'
+        34: 0,  # 'M'
+        35: 0,  # 'N'
+        47: 0,  # 'O'
+        46: 0,  # 'P'
+        43: 0,  # 'R'
+        33: 0,  # 'S'
+        37: 0,  # 'T'
+        57: 0,  # 'U'
+        48: 0,  # 'V'
+        55: 0,  # 'Y'
+        52: 0,  # 'Z'
+        2: 1,  # 'a'
+        18: 1,  # 'b'
+        26: 0,  # 'c'
+        17: 1,  # 'd'
+        1: 1,  # 'e'
+        27: 1,  # 'f'
+        12: 1,  # 'g'
+        20: 1,  # 'h'
+        9: 1,  # 'i'
+        22: 1,  # 'j'
+        7: 1,  # 'k'
+        6: 1,  # 'l'
+        13: 0,  # 'm'
+        4: 2,  # 'n'
+        8: 0,  # 'o'
+        23: 0,  # 'p'
+        10: 1,  # 'r'
+        5: 1,  # 's'
+        3: 1,  # 't'
+        21: 0,  # 'u'
+        19: 1,  # 'v'
+        62: 0,  # 'x'
+        16: 0,  # 'y'
+        11: 2,  # 'z'
+        51: 0,  # 'Á'
+        44: 0,  # 'É'
+        61: 0,  # 'Í'
+        58: 0,  # 'Ó'
+        59: 0,  # 'Ö'
+        60: 0,  # 'Ú'
+        63: 0,  # 'Ü'
+        14: 0,  # 'á'
+        15: 0,  # 'é'
+        30: 0,  # 'í'
+        25: 0,  # 'ó'
+        24: 0,  # 'ö'
+        31: 0,  # 'ú'
+        29: 0,  # 'ü'
+        42: 0,  # 'ő'
+        56: 0,  # 'ű'
+    },
+}
+
+# 255: Undefined characters that did not exist in training text
+# 254: Carriage/Return
+# 253: symbol (punctuation) that does not belong to word
+# 252: 0 - 9
+# 251: Control characters
+
+# Character Mapping Table(s):
+WINDOWS_1250_HUNGARIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 28,  # 'A'
+    66: 40,  # 'B'
+    67: 54,  # 'C'
+    68: 45,  # 'D'
+    69: 32,  # 'E'
+    70: 50,  # 'F'
+    71: 49,  # 'G'
+    72: 38,  # 'H'
+    73: 39,  # 'I'
+    74: 53,  # 'J'
+    75: 36,  # 'K'
+    76: 41,  # 'L'
+    77: 34,  # 'M'
+    78: 35,  # 'N'
+    79: 47,  # 'O'
+    80: 46,  # 'P'
+    81: 72,  # 'Q'
+    82: 43,  # 'R'
+    83: 33,  # 'S'
+    84: 37,  # 'T'
+    85: 57,  # 'U'
+    86: 48,  # 'V'
+    87: 64,  # 'W'
+    88: 68,  # 'X'
+    89: 55,  # 'Y'
+    90: 52,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 2,  # 'a'
+    98: 18,  # 'b'
+    99: 26,  # 'c'
+    100: 17,  # 'd'
+    101: 1,  # 'e'
+    102: 27,  # 'f'
+    103: 12,  # 'g'
+    104: 20,  # 'h'
+    105: 9,  # 'i'
+    106: 22,  # 'j'
+    107: 7,  # 'k'
+    108: 6,  # 'l'
+    109: 13,  # 'm'
+    110: 4,  # 'n'
+    111: 8,  # 'o'
+    112: 23,  # 'p'
+    113: 67,  # 'q'
+    114: 10,  # 'r'
+    115: 5,  # 's'
+    116: 3,  # 't'
+    117: 21,  # 'u'
+    118: 19,  # 'v'
+    119: 65,  # 'w'
+    120: 62,  # 'x'
+    121: 16,  # 'y'
+    122: 11,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 161,  # '€'
+    129: 162,  # None
+    130: 163,  # '‚'
+    131: 164,  # None
+    132: 165,  # '„'
+    133: 166,  # '…'
+    134: 167,  # '†'
+    135: 168,  # '‡'
+    136: 169,  # None
+    137: 170,  # '‰'
+    138: 171,  # 'Š'
+    139: 172,  # '‹'
+    140: 173,  # 'Ś'
+    141: 174,  # 'Ť'
+    142: 175,  # 'Ž'
+    143: 176,  # 'Ź'
+    144: 177,  # None
+    145: 178,  # '‘'
+    146: 179,  # '’'
+    147: 180,  # '“'
+    148: 78,  # '”'
+    149: 181,  # '•'
+    150: 69,  # '–'
+    151: 182,  # '—'
+    152: 183,  # None
+    153: 184,  # '™'
+    154: 185,  # 'š'
+    155: 186,  # '›'
+    156: 187,  # 'ś'
+    157: 188,  # 'ť'
+    158: 189,  # 'ž'
+    159: 190,  # 'ź'
+    160: 191,  # '\xa0'
+    161: 192,  # 'ˇ'
+    162: 193,  # '˘'
+    163: 194,  # 'Ł'
+    164: 195,  # '¤'
+    165: 196,  # 'Ą'
+    166: 197,  # '¦'
+    167: 76,  # '§'
+    168: 198,  # '¨'
+    169: 199,  # '©'
+    170: 200,  # 'Ş'
+    171: 201,  # '«'
+    172: 202,  # '¬'
+    173: 203,  # '\xad'
+    174: 204,  # '®'
+    175: 205,  # 'Ż'
+    176: 81,  # '°'
+    177: 206,  # '±'
+    178: 207,  # '˛'
+    179: 208,  # 'ł'
+    180: 209,  # '´'
+    181: 210,  # 'µ'
+    182: 211,  # '¶'
+    183: 212,  # '·'
+    184: 213,  # '¸'
+    185: 214,  # 'ą'
+    186: 215,  # 'ş'
+    187: 216,  # '»'
+    188: 217,  # 'Ľ'
+    189: 218,  # '˝'
+    190: 219,  # 'ľ'
+    191: 220,  # 'ż'
+    192: 221,  # 'Ŕ'
+    193: 51,  # 'Á'
+    194: 83,  # 'Â'
+    195: 222,  # 'Ă'
+    196: 80,  # 'Ä'
+    197: 223,  # 'Ĺ'
+    198: 224,  # 'Ć'
+    199: 225,  # 'Ç'
+    200: 226,  # 'Č'
+    201: 44,  # 'É'
+    202: 227,  # 'Ę'
+    203: 228,  # 'Ë'
+    204: 229,  # 'Ě'
+    205: 61,  # 'Í'
+    206: 230,  # 'Î'
+    207: 231,  # 'Ď'
+    208: 232,  # 'Đ'
+    209: 233,  # 'Ń'
+    210: 234,  # 'Ň'
+    211: 58,  # 'Ó'
+    212: 235,  # 'Ô'
+    213: 66,  # 'Ő'
+    214: 59,  # 'Ö'
+    215: 236,  # '×'
+    216: 237,  # 'Ř'
+    217: 238,  # 'Ů'
+    218: 60,  # 'Ú'
+    219: 70,  # 'Ű'
+    220: 63,  # 'Ü'
+    221: 239,  # 'Ý'
+    222: 240,  # 'Ţ'
+    223: 241,  # 'ß'
+    224: 84,  # 'ŕ'
+    225: 14,  # 'á'
+    226: 75,  # 'â'
+    227: 242,  # 'ă'
+    228: 71,  # 'ä'
+    229: 82,  # 'ĺ'
+    230: 243,  # 'ć'
+    231: 73,  # 'ç'
+    232: 244,  # 'č'
+    233: 15,  # 'é'
+    234: 85,  # 'ę'
+    235: 79,  # 'ë'
+    236: 86,  # 'ě'
+    237: 30,  # 'í'
+    238: 77,  # 'î'
+    239: 87,  # 'ď'
+    240: 245,  # 'đ'
+    241: 246,  # 'ń'
+    242: 247,  # 'ň'
+    243: 25,  # 'ó'
+    244: 74,  # 'ô'
+    245: 42,  # 'ő'
+    246: 24,  # 'ö'
+    247: 248,  # '÷'
+    248: 249,  # 'ř'
+    249: 250,  # 'ů'
+    250: 31,  # 'ú'
+    251: 56,  # 'ű'
+    252: 29,  # 'ü'
+    253: 251,  # 'ý'
+    254: 252,  # 'ţ'
+    255: 253,  # '˙'
+}
+
+WINDOWS_1250_HUNGARIAN_MODEL = SingleByteCharSetModel(
+    charset_name="windows-1250",
+    language="Hungarian",
+    char_to_order_map=WINDOWS_1250_HUNGARIAN_CHAR_TO_ORDER,
+    language_model=HUNGARIAN_LANG_MODEL,
+    typical_positive_ratio=0.947368,
+    keep_ascii_letters=True,
+    alphabet="ABCDEFGHIJKLMNOPRSTUVZabcdefghijklmnoprstuvzÁÉÍÓÖÚÜáéíóöúüŐőŰű",
+)
+
+ISO_8859_2_HUNGARIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 28,  # 'A'
+    66: 40,  # 'B'
+    67: 54,  # 'C'
+    68: 45,  # 'D'
+    69: 32,  # 'E'
+    70: 50,  # 'F'
+    71: 49,  # 'G'
+    72: 38,  # 'H'
+    73: 39,  # 'I'
+    74: 53,  # 'J'
+    75: 36,  # 'K'
+    76: 41,  # 'L'
+    77: 34,  # 'M'
+    78: 35,  # 'N'
+    79: 47,  # 'O'
+    80: 46,  # 'P'
+    81: 71,  # 'Q'
+    82: 43,  # 'R'
+    83: 33,  # 'S'
+    84: 37,  # 'T'
+    85: 57,  # 'U'
+    86: 48,  # 'V'
+    87: 64,  # 'W'
+    88: 68,  # 'X'
+    89: 55,  # 'Y'
+    90: 52,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 2,  # 'a'
+    98: 18,  # 'b'
+    99: 26,  # 'c'
+    100: 17,  # 'd'
+    101: 1,  # 'e'
+    102: 27,  # 'f'
+    103: 12,  # 'g'
+    104: 20,  # 'h'
+    105: 9,  # 'i'
+    106: 22,  # 'j'
+    107: 7,  # 'k'
+    108: 6,  # 'l'
+    109: 13,  # 'm'
+    110: 4,  # 'n'
+    111: 8,  # 'o'
+    112: 23,  # 'p'
+    113: 67,  # 'q'
+    114: 10,  # 'r'
+    115: 5,  # 's'
+    116: 3,  # 't'
+    117: 21,  # 'u'
+    118: 19,  # 'v'
+    119: 65,  # 'w'
+    120: 62,  # 'x'
+    121: 16,  # 'y'
+    122: 11,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 159,  # '\x80'
+    129: 160,  # '\x81'
+    130: 161,  # '\x82'
+    131: 162,  # '\x83'
+    132: 163,  # '\x84'
+    133: 164,  # '\x85'
+    134: 165,  # '\x86'
+    135: 166,  # '\x87'
+    136: 167,  # '\x88'
+    137: 168,  # '\x89'
+    138: 169,  # '\x8a'
+    139: 170,  # '\x8b'
+    140: 171,  # '\x8c'
+    141: 172,  # '\x8d'
+    142: 173,  # '\x8e'
+    143: 174,  # '\x8f'
+    144: 175,  # '\x90'
+    145: 176,  # '\x91'
+    146: 177,  # '\x92'
+    147: 178,  # '\x93'
+    148: 179,  # '\x94'
+    149: 180,  # '\x95'
+    150: 181,  # '\x96'
+    151: 182,  # '\x97'
+    152: 183,  # '\x98'
+    153: 184,  # '\x99'
+    154: 185,  # '\x9a'
+    155: 186,  # '\x9b'
+    156: 187,  # '\x9c'
+    157: 188,  # '\x9d'
+    158: 189,  # '\x9e'
+    159: 190,  # '\x9f'
+    160: 191,  # '\xa0'
+    161: 192,  # 'Ą'
+    162: 193,  # '˘'
+    163: 194,  # 'Ł'
+    164: 195,  # '¤'
+    165: 196,  # 'Ľ'
+    166: 197,  # 'Ś'
+    167: 75,  # '§'
+    168: 198,  # '¨'
+    169: 199,  # 'Š'
+    170: 200,  # 'Ş'
+    171: 201,  # 'Ť'
+    172: 202,  # 'Ź'
+    173: 203,  # '\xad'
+    174: 204,  # 'Ž'
+    175: 205,  # 'Ż'
+    176: 79,  # '°'
+    177: 206,  # 'ą'
+    178: 207,  # '˛'
+    179: 208,  # 'ł'
+    180: 209,  # '´'
+    181: 210,  # 'ľ'
+    182: 211,  # 'ś'
+    183: 212,  # 'ˇ'
+    184: 213,  # '¸'
+    185: 214,  # 'š'
+    186: 215,  # 'ş'
+    187: 216,  # 'ť'
+    188: 217,  # 'ź'
+    189: 218,  # '˝'
+    190: 219,  # 'ž'
+    191: 220,  # 'ż'
+    192: 221,  # 'Ŕ'
+    193: 51,  # 'Á'
+    194: 81,  # 'Â'
+    195: 222,  # 'Ă'
+    196: 78,  # 'Ä'
+    197: 223,  # 'Ĺ'
+    198: 224,  # 'Ć'
+    199: 225,  # 'Ç'
+    200: 226,  # 'Č'
+    201: 44,  # 'É'
+    202: 227,  # 'Ę'
+    203: 228,  # 'Ë'
+    204: 229,  # 'Ě'
+    205: 61,  # 'Í'
+    206: 230,  # 'Î'
+    207: 231,  # 'Ď'
+    208: 232,  # 'Đ'
+    209: 233,  # 'Ń'
+    210: 234,  # 'Ň'
+    211: 58,  # 'Ó'
+    212: 235,  # 'Ô'
+    213: 66,  # 'Ő'
+    214: 59,  # 'Ö'
+    215: 236,  # '×'
+    216: 237,  # 'Ř'
+    217: 238,  # 'Ů'
+    218: 60,  # 'Ú'
+    219: 69,  # 'Ű'
+    220: 63,  # 'Ü'
+    221: 239,  # 'Ý'
+    222: 240,  # 'Ţ'
+    223: 241,  # 'ß'
+    224: 82,  # 'ŕ'
+    225: 14,  # 'á'
+    226: 74,  # 'â'
+    227: 242,  # 'ă'
+    228: 70,  # 'ä'
+    229: 80,  # 'ĺ'
+    230: 243,  # 'ć'
+    231: 72,  # 'ç'
+    232: 244,  # 'č'
+    233: 15,  # 'é'
+    234: 83,  # 'ę'
+    235: 77,  # 'ë'
+    236: 84,  # 'ě'
+    237: 30,  # 'í'
+    238: 76,  # 'î'
+    239: 85,  # 'ď'
+    240: 245,  # 'đ'
+    241: 246,  # 'ń'
+    242: 247,  # 'ň'
+    243: 25,  # 'ó'
+    244: 73,  # 'ô'
+    245: 42,  # 'ő'
+    246: 24,  # 'ö'
+    247: 248,  # '÷'
+    248: 249,  # 'ř'
+    249: 250,  # 'ů'
+    250: 31,  # 'ú'
+    251: 56,  # 'ű'
+    252: 29,  # 'ü'
+    253: 251,  # 'ý'
+    254: 252,  # 'ţ'
+    255: 253,  # '˙'
+}
+
+ISO_8859_2_HUNGARIAN_MODEL = SingleByteCharSetModel(
+    charset_name="ISO-8859-2",
+    language="Hungarian",
+    char_to_order_map=ISO_8859_2_HUNGARIAN_CHAR_TO_ORDER,
+    language_model=HUNGARIAN_LANG_MODEL,
+    typical_positive_ratio=0.947368,
+    keep_ascii_letters=True,
+    alphabet="ABCDEFGHIJKLMNOPRSTUVZabcdefghijklmnoprstuvzÁÉÍÓÖÚÜáéíóöúüŐőŰű",
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langrussianmodel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langrussianmodel.py
new file mode 100644
index 00000000..39a53889
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langrussianmodel.py
@@ -0,0 +1,5725 @@
+from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel
+
+# 3: Positive
+# 2: Likely
+# 1: Unlikely
+# 0: Negative
+
+RUSSIAN_LANG_MODEL = {
+    37: {  # 'А'
+        37: 0,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 1,  # 'З'
+        42: 1,  # 'И'
+        60: 1,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 2,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 1,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 1,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 1,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 0,  # 'е'
+        24: 1,  # 'ж'
+        20: 1,  # 'з'
+        4: 0,  # 'и'
+        23: 1,  # 'й'
+        11: 2,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 2,  # 'н'
+        1: 0,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 2,  # 'у'
+        39: 2,  # 'ф'
+        26: 2,  # 'х'
+        28: 0,  # 'ц'
+        22: 1,  # 'ч'
+        25: 2,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    44: {  # 'Б'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 1,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 2,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 2,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    33: {  # 'В'
+        37: 2,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 2,  # 'а'
+        21: 1,  # 'б'
+        10: 1,  # 'в'
+        19: 1,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 2,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 2,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 3,  # 'с'
+        6: 2,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 1,  # 'ц'
+        22: 2,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 1,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 0,  # 'ю'
+        16: 1,  # 'я'
+    },
+    46: {  # 'Г'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 1,  # 'в'
+        19: 0,  # 'г'
+        13: 2,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 1,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 1,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    41: {  # 'Д'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 2,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 3,  # 'а'
+        21: 0,  # 'б'
+        10: 2,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 3,  # 'ж'
+        20: 1,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 1,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    48: {  # 'Е'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 1,  # 'З'
+        42: 1,  # 'И'
+        60: 1,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 2,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 2,  # 'Р'
+        32: 2,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 1,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 0,  # 'а'
+        21: 0,  # 'б'
+        10: 2,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 2,  # 'е'
+        24: 1,  # 'ж'
+        20: 1,  # 'з'
+        4: 0,  # 'и'
+        23: 2,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 1,  # 'н'
+        1: 0,  # 'о'
+        15: 1,  # 'п'
+        9: 1,  # 'р'
+        7: 3,  # 'с'
+        6: 0,  # 'т'
+        14: 0,  # 'у'
+        39: 1,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 2,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    56: {  # 'Ж'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 1,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 1,  # 'б'
+        10: 0,  # 'в'
+        19: 1,  # 'г'
+        13: 1,  # 'д'
+        2: 2,  # 'е'
+        24: 1,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 1,  # 'м'
+        5: 0,  # 'н'
+        1: 2,  # 'о'
+        15: 0,  # 'п'
+        9: 1,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 2,  # 'ю'
+        16: 0,  # 'я'
+    },
+    51: {  # 'З'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 2,  # 'в'
+        19: 0,  # 'г'
+        13: 2,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 1,  # 'л'
+        12: 1,  # 'м'
+        5: 2,  # 'н'
+        1: 2,  # 'о'
+        15: 0,  # 'п'
+        9: 1,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 1,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 1,  # 'я'
+    },
+    42: {  # 'И'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 2,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 1,  # 'З'
+        42: 1,  # 'И'
+        60: 1,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 2,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 1,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 1,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 1,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 2,  # 'з'
+        4: 1,  # 'и'
+        23: 0,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 2,  # 'н'
+        1: 1,  # 'о'
+        15: 1,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 1,  # 'у'
+        39: 1,  # 'ф'
+        26: 2,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    60: {  # 'Й'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 1,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 1,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 0,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 2,  # 'о'
+        15: 0,  # 'п'
+        9: 0,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 0,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    36: {  # 'К'
+        37: 2,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 1,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 1,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 2,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 0,  # 'б'
+        10: 1,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 2,  # 'л'
+        12: 0,  # 'м'
+        5: 1,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    49: {  # 'Л'
+        37: 2,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 1,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 0,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 0,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 1,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 1,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 1,  # 'л'
+        12: 0,  # 'м'
+        5: 1,  # 'н'
+        1: 2,  # 'о'
+        15: 0,  # 'п'
+        9: 0,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 2,  # 'ю'
+        16: 1,  # 'я'
+    },
+    38: {  # 'М'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 1,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 1,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 3,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 1,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 1,  # 'л'
+        12: 1,  # 'м'
+        5: 2,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 1,  # 'р'
+        7: 1,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    31: {  # 'Н'
+        37: 2,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 1,  # 'З'
+        42: 2,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 1,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 1,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 3,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 1,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 3,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 2,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    34: {  # 'О'
+        37: 0,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 2,  # 'Д'
+        48: 1,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 1,  # 'З'
+        42: 1,  # 'И'
+        60: 1,  # 'Й'
+        36: 1,  # 'К'
+        49: 2,  # 'Л'
+        38: 1,  # 'М'
+        31: 2,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 2,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 1,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 1,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 1,  # 'а'
+        21: 2,  # 'б'
+        10: 1,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 0,  # 'е'
+        24: 1,  # 'ж'
+        20: 1,  # 'з'
+        4: 0,  # 'и'
+        23: 1,  # 'й'
+        11: 2,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 3,  # 'н'
+        1: 0,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 1,  # 'у'
+        39: 1,  # 'ф'
+        26: 2,  # 'х'
+        28: 1,  # 'ц'
+        22: 2,  # 'ч'
+        25: 2,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    35: {  # 'П'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 1,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 2,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 2,  # 'л'
+        12: 0,  # 'м'
+        5: 1,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 3,  # 'р'
+        7: 1,  # 'с'
+        6: 1,  # 'т'
+        14: 2,  # 'у'
+        39: 1,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 2,  # 'ь'
+        30: 1,  # 'э'
+        27: 0,  # 'ю'
+        16: 2,  # 'я'
+    },
+    45: {  # 'Р'
+        37: 2,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 2,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 0,  # 'З'
+        42: 2,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 2,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 1,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 3,  # 'а'
+        21: 0,  # 'б'
+        10: 1,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 1,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 1,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 2,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 2,  # 'я'
+    },
+    32: {  # 'С'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 2,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 1,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 2,  # 'а'
+        21: 1,  # 'б'
+        10: 2,  # 'в'
+        19: 1,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 1,  # 'ж'
+        20: 1,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 2,  # 'н'
+        1: 2,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 1,  # 'с'
+        6: 3,  # 'т'
+        14: 2,  # 'у'
+        39: 1,  # 'ф'
+        26: 1,  # 'х'
+        28: 1,  # 'ц'
+        22: 1,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 1,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    40: {  # 'Т'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 2,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 1,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 2,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 1,  # 'к'
+        8: 1,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 1,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    52: {  # 'У'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 1,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 1,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 1,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 1,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 1,  # 'г'
+        13: 2,  # 'д'
+        2: 1,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 2,  # 'и'
+        23: 1,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 1,  # 'н'
+        1: 2,  # 'о'
+        15: 1,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 0,  # 'у'
+        39: 1,  # 'ф'
+        26: 1,  # 'х'
+        28: 1,  # 'ц'
+        22: 2,  # 'ч'
+        25: 1,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    53: {  # 'Ф'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 1,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 2,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 2,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 0,  # 'с'
+        6: 1,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    55: {  # 'Х'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 2,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 0,  # 'н'
+        1: 2,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 1,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 1,  # 'ь'
+        30: 1,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    58: {  # 'Ц'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 1,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 1,  # 'а'
+        21: 0,  # 'б'
+        10: 1,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 0,  # 'о'
+        15: 0,  # 'п'
+        9: 0,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 1,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    50: {  # 'Ч'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 1,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 1,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 1,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 1,  # 'о'
+        15: 0,  # 'п'
+        9: 1,  # 'р'
+        7: 0,  # 'с'
+        6: 3,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 1,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    57: {  # 'Ш'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 1,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 0,  # 'б'
+        10: 1,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 1,  # 'и'
+        23: 0,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 1,  # 'н'
+        1: 2,  # 'о'
+        15: 2,  # 'п'
+        9: 1,  # 'р'
+        7: 0,  # 'с'
+        6: 2,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    63: {  # 'Щ'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 1,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 1,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 1,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 1,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 1,  # 'о'
+        15: 0,  # 'п'
+        9: 0,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 1,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    62: {  # 'Ы'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 1,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 1,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 0,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 0,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 0,  # 'о'
+        15: 0,  # 'п'
+        9: 0,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 0,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    61: {  # 'Ь'
+        37: 0,  # 'А'
+        44: 1,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 1,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 0,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 1,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 1,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 1,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 1,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 0,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 0,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 0,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 0,  # 'о'
+        15: 0,  # 'п'
+        9: 0,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 0,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    47: {  # 'Э'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 0,  # 'Г'
+        41: 1,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 1,  # 'Й'
+        36: 1,  # 'К'
+        49: 1,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 1,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 1,  # 'а'
+        21: 1,  # 'б'
+        10: 2,  # 'в'
+        19: 1,  # 'г'
+        13: 2,  # 'д'
+        2: 0,  # 'е'
+        24: 1,  # 'ж'
+        20: 0,  # 'з'
+        4: 0,  # 'и'
+        23: 2,  # 'й'
+        11: 2,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 2,  # 'н'
+        1: 0,  # 'о'
+        15: 1,  # 'п'
+        9: 2,  # 'р'
+        7: 1,  # 'с'
+        6: 3,  # 'т'
+        14: 1,  # 'у'
+        39: 1,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    59: {  # 'Ю'
+        37: 1,  # 'А'
+        44: 1,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 1,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 0,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 1,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 1,  # 'б'
+        10: 0,  # 'в'
+        19: 1,  # 'г'
+        13: 1,  # 'д'
+        2: 0,  # 'е'
+        24: 1,  # 'ж'
+        20: 0,  # 'з'
+        4: 0,  # 'и'
+        23: 0,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 2,  # 'н'
+        1: 0,  # 'о'
+        15: 1,  # 'п'
+        9: 1,  # 'р'
+        7: 1,  # 'с'
+        6: 0,  # 'т'
+        14: 0,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    43: {  # 'Я'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 1,  # 'В'
+        46: 1,  # 'Г'
+        41: 0,  # 'Д'
+        48: 1,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 1,  # 'С'
+        40: 1,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 1,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 1,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 1,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 1,  # 'Ю'
+        43: 1,  # 'Я'
+        3: 0,  # 'а'
+        21: 1,  # 'б'
+        10: 1,  # 'в'
+        19: 1,  # 'г'
+        13: 1,  # 'д'
+        2: 0,  # 'е'
+        24: 0,  # 'ж'
+        20: 1,  # 'з'
+        4: 0,  # 'и'
+        23: 1,  # 'й'
+        11: 1,  # 'к'
+        8: 1,  # 'л'
+        12: 1,  # 'м'
+        5: 2,  # 'н'
+        1: 0,  # 'о'
+        15: 1,  # 'п'
+        9: 1,  # 'р'
+        7: 1,  # 'с'
+        6: 0,  # 'т'
+        14: 0,  # 'у'
+        39: 0,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    3: {  # 'а'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 1,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 3,  # 'б'
+        10: 3,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 3,  # 'з'
+        4: 3,  # 'и'
+        23: 3,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 2,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 3,  # 'х'
+        28: 3,  # 'ц'
+        22: 3,  # 'ч'
+        25: 3,  # 'ш'
+        29: 3,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 2,  # 'э'
+        27: 3,  # 'ю'
+        16: 3,  # 'я'
+    },
+    21: {  # 'б'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 1,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 1,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 1,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 1,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 0,  # 'ф'
+        26: 2,  # 'х'
+        28: 1,  # 'ц'
+        22: 1,  # 'ч'
+        25: 2,  # 'ш'
+        29: 3,  # 'щ'
+        54: 2,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 2,  # 'ь'
+        30: 1,  # 'э'
+        27: 2,  # 'ю'
+        16: 3,  # 'я'
+    },
+    10: {  # 'в'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 2,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 1,  # 'ж'
+        20: 3,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 1,  # 'ф'
+        26: 2,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 3,  # 'ш'
+        29: 2,  # 'щ'
+        54: 2,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 3,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 3,  # 'я'
+    },
+    19: {  # 'г'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 2,  # 'в'
+        19: 1,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 1,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 3,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 1,  # 'ф'
+        26: 1,  # 'х'
+        28: 1,  # 'ц'
+        22: 2,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 1,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    13: {  # 'д'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 3,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 1,  # 'ф'
+        26: 2,  # 'х'
+        28: 3,  # 'ц'
+        22: 2,  # 'ч'
+        25: 2,  # 'ш'
+        29: 1,  # 'щ'
+        54: 2,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 3,  # 'ь'
+        30: 1,  # 'э'
+        27: 2,  # 'ю'
+        16: 3,  # 'я'
+    },
+    2: {  # 'е'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 3,  # 'б'
+        10: 3,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 3,  # 'з'
+        4: 2,  # 'и'
+        23: 3,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 2,  # 'у'
+        39: 2,  # 'ф'
+        26: 3,  # 'х'
+        28: 3,  # 'ц'
+        22: 3,  # 'ч'
+        25: 3,  # 'ш'
+        29: 3,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 2,  # 'ю'
+        16: 3,  # 'я'
+    },
+    24: {  # 'ж'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 1,  # 'в'
+        19: 2,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 1,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 3,  # 'н'
+        1: 2,  # 'о'
+        15: 1,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 1,  # 'т'
+        14: 3,  # 'у'
+        39: 1,  # 'ф'
+        26: 0,  # 'х'
+        28: 1,  # 'ц'
+        22: 2,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 2,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    20: {  # 'з'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 3,  # 'б'
+        10: 3,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 3,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 1,  # 'ц'
+        22: 2,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 2,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 2,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 3,  # 'я'
+    },
+    4: {  # 'и'
+        37: 1,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 3,  # 'б'
+        10: 3,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 3,  # 'з'
+        4: 3,  # 'и'
+        23: 3,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 2,  # 'у'
+        39: 2,  # 'ф'
+        26: 3,  # 'х'
+        28: 3,  # 'ц'
+        22: 3,  # 'ч'
+        25: 3,  # 'ш'
+        29: 3,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 2,  # 'э'
+        27: 3,  # 'ю'
+        16: 3,  # 'я'
+    },
+    23: {  # 'й'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 1,  # 'а'
+        21: 1,  # 'б'
+        10: 1,  # 'в'
+        19: 2,  # 'г'
+        13: 3,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 2,  # 'з'
+        4: 1,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 2,  # 'о'
+        15: 1,  # 'п'
+        9: 2,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 1,  # 'у'
+        39: 2,  # 'ф'
+        26: 1,  # 'х'
+        28: 2,  # 'ц'
+        22: 3,  # 'ч'
+        25: 2,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 2,  # 'я'
+    },
+    11: {  # 'к'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 3,  # 'в'
+        19: 1,  # 'г'
+        13: 1,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 3,  # 'л'
+        12: 1,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 1,  # 'ф'
+        26: 2,  # 'х'
+        28: 2,  # 'ц'
+        22: 1,  # 'ч'
+        25: 2,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 1,  # 'ы'
+        17: 1,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    8: {  # 'л'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 3,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 2,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 1,  # 'р'
+        7: 3,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 2,  # 'х'
+        28: 1,  # 'ц'
+        22: 3,  # 'ч'
+        25: 2,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 3,  # 'ь'
+        30: 1,  # 'э'
+        27: 3,  # 'ю'
+        16: 3,  # 'я'
+    },
+    12: {  # 'м'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 2,  # 'г'
+        13: 1,  # 'д'
+        2: 3,  # 'е'
+        24: 1,  # 'ж'
+        20: 1,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 3,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 2,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 1,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 2,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 3,  # 'я'
+    },
+    5: {  # 'н'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 1,  # 'п'
+        9: 2,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 2,  # 'х'
+        28: 3,  # 'ц'
+        22: 3,  # 'ч'
+        25: 2,  # 'ш'
+        29: 2,  # 'щ'
+        54: 1,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 3,  # 'ь'
+        30: 1,  # 'э'
+        27: 3,  # 'ю'
+        16: 3,  # 'я'
+    },
+    1: {  # 'о'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 3,  # 'б'
+        10: 3,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 3,  # 'з'
+        4: 3,  # 'и'
+        23: 3,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 2,  # 'у'
+        39: 2,  # 'ф'
+        26: 3,  # 'х'
+        28: 2,  # 'ц'
+        22: 3,  # 'ч'
+        25: 3,  # 'ш'
+        29: 3,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 2,  # 'э'
+        27: 3,  # 'ю'
+        16: 3,  # 'я'
+    },
+    15: {  # 'п'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 3,  # 'л'
+        12: 1,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 3,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 1,  # 'ф'
+        26: 0,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 1,  # 'ш'
+        29: 1,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 2,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 3,  # 'я'
+    },
+    9: {  # 'р'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 3,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 2,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 2,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 3,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 3,  # 'ш'
+        29: 2,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 3,  # 'ь'
+        30: 2,  # 'э'
+        27: 2,  # 'ю'
+        16: 3,  # 'я'
+    },
+    7: {  # 'с'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 1,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 3,  # 'в'
+        19: 2,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 3,  # 'х'
+        28: 2,  # 'ц'
+        22: 3,  # 'ч'
+        25: 2,  # 'ш'
+        29: 1,  # 'щ'
+        54: 2,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 3,  # 'ь'
+        30: 2,  # 'э'
+        27: 3,  # 'ю'
+        16: 3,  # 'я'
+    },
+    6: {  # 'т'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 2,  # 'б'
+        10: 3,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 1,  # 'ж'
+        20: 1,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 2,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 2,  # 'ш'
+        29: 2,  # 'щ'
+        54: 2,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 3,  # 'ь'
+        30: 2,  # 'э'
+        27: 2,  # 'ю'
+        16: 3,  # 'я'
+    },
+    14: {  # 'у'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 3,  # 'б'
+        10: 3,  # 'в'
+        19: 3,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 3,  # 'з'
+        4: 2,  # 'и'
+        23: 2,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 2,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 1,  # 'у'
+        39: 2,  # 'ф'
+        26: 3,  # 'х'
+        28: 2,  # 'ц'
+        22: 3,  # 'ч'
+        25: 3,  # 'ш'
+        29: 3,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 2,  # 'э'
+        27: 3,  # 'ю'
+        16: 2,  # 'я'
+    },
+    39: {  # 'ф'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 0,  # 'в'
+        19: 1,  # 'г'
+        13: 0,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 1,  # 'н'
+        1: 3,  # 'о'
+        15: 1,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 2,  # 'у'
+        39: 2,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 1,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 2,  # 'ы'
+        17: 1,  # 'ь'
+        30: 2,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    26: {  # 'х'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 0,  # 'б'
+        10: 3,  # 'в'
+        19: 1,  # 'г'
+        13: 1,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 1,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 1,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 1,  # 'п'
+        9: 3,  # 'р'
+        7: 2,  # 'с'
+        6: 2,  # 'т'
+        14: 2,  # 'у'
+        39: 1,  # 'ф'
+        26: 1,  # 'х'
+        28: 1,  # 'ц'
+        22: 1,  # 'ч'
+        25: 2,  # 'ш'
+        29: 0,  # 'щ'
+        54: 1,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 1,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    28: {  # 'ц'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 2,  # 'в'
+        19: 1,  # 'г'
+        13: 1,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 1,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 2,  # 'к'
+        8: 1,  # 'л'
+        12: 1,  # 'м'
+        5: 1,  # 'н'
+        1: 3,  # 'о'
+        15: 0,  # 'п'
+        9: 1,  # 'р'
+        7: 0,  # 'с'
+        6: 1,  # 'т'
+        14: 3,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 1,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 3,  # 'ы'
+        17: 1,  # 'ь'
+        30: 0,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    22: {  # 'ч'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 1,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 3,  # 'е'
+        24: 1,  # 'ж'
+        20: 0,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 2,  # 'л'
+        12: 1,  # 'м'
+        5: 3,  # 'н'
+        1: 2,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 1,  # 'с'
+        6: 3,  # 'т'
+        14: 3,  # 'у'
+        39: 1,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 1,  # 'ч'
+        25: 2,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 3,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    25: {  # 'ш'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 1,  # 'б'
+        10: 2,  # 'в'
+        19: 1,  # 'г'
+        13: 0,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 2,  # 'м'
+        5: 3,  # 'н'
+        1: 3,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 1,  # 'с'
+        6: 2,  # 'т'
+        14: 3,  # 'у'
+        39: 2,  # 'ф'
+        26: 1,  # 'х'
+        28: 1,  # 'ц'
+        22: 1,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 3,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 0,  # 'я'
+    },
+    29: {  # 'щ'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 3,  # 'а'
+        21: 0,  # 'б'
+        10: 1,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 3,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 3,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 1,  # 'м'
+        5: 2,  # 'н'
+        1: 1,  # 'о'
+        15: 0,  # 'п'
+        9: 2,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 2,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 2,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 0,  # 'я'
+    },
+    54: {  # 'ъ'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 0,  # 'б'
+        10: 0,  # 'в'
+        19: 0,  # 'г'
+        13: 0,  # 'д'
+        2: 2,  # 'е'
+        24: 0,  # 'ж'
+        20: 0,  # 'з'
+        4: 0,  # 'и'
+        23: 0,  # 'й'
+        11: 0,  # 'к'
+        8: 0,  # 'л'
+        12: 0,  # 'м'
+        5: 0,  # 'н'
+        1: 0,  # 'о'
+        15: 0,  # 'п'
+        9: 0,  # 'р'
+        7: 0,  # 'с'
+        6: 0,  # 'т'
+        14: 0,  # 'у'
+        39: 0,  # 'ф'
+        26: 0,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 0,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 1,  # 'ю'
+        16: 2,  # 'я'
+    },
+    18: {  # 'ы'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 3,  # 'б'
+        10: 3,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 2,  # 'и'
+        23: 3,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 1,  # 'о'
+        15: 3,  # 'п'
+        9: 3,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 1,  # 'у'
+        39: 0,  # 'ф'
+        26: 3,  # 'х'
+        28: 2,  # 'ц'
+        22: 3,  # 'ч'
+        25: 3,  # 'ш'
+        29: 2,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 0,  # 'ю'
+        16: 2,  # 'я'
+    },
+    17: {  # 'ь'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 2,  # 'б'
+        10: 2,  # 'в'
+        19: 2,  # 'г'
+        13: 2,  # 'д'
+        2: 3,  # 'е'
+        24: 1,  # 'ж'
+        20: 3,  # 'з'
+        4: 2,  # 'и'
+        23: 0,  # 'й'
+        11: 3,  # 'к'
+        8: 0,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 2,  # 'о'
+        15: 2,  # 'п'
+        9: 1,  # 'р'
+        7: 3,  # 'с'
+        6: 2,  # 'т'
+        14: 0,  # 'у'
+        39: 2,  # 'ф'
+        26: 1,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 3,  # 'ш'
+        29: 2,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 3,  # 'ю'
+        16: 3,  # 'я'
+    },
+    30: {  # 'э'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 1,  # 'М'
+        31: 1,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 1,  # 'Р'
+        32: 1,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 1,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 1,  # 'б'
+        10: 1,  # 'в'
+        19: 1,  # 'г'
+        13: 2,  # 'д'
+        2: 1,  # 'е'
+        24: 0,  # 'ж'
+        20: 1,  # 'з'
+        4: 0,  # 'и'
+        23: 2,  # 'й'
+        11: 2,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 2,  # 'н'
+        1: 0,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 2,  # 'с'
+        6: 3,  # 'т'
+        14: 1,  # 'у'
+        39: 2,  # 'ф'
+        26: 1,  # 'х'
+        28: 0,  # 'ц'
+        22: 0,  # 'ч'
+        25: 1,  # 'ш'
+        29: 0,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 1,  # 'ю'
+        16: 1,  # 'я'
+    },
+    27: {  # 'ю'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 2,  # 'а'
+        21: 3,  # 'б'
+        10: 1,  # 'в'
+        19: 2,  # 'г'
+        13: 3,  # 'д'
+        2: 1,  # 'е'
+        24: 2,  # 'ж'
+        20: 2,  # 'з'
+        4: 1,  # 'и'
+        23: 1,  # 'й'
+        11: 2,  # 'к'
+        8: 2,  # 'л'
+        12: 2,  # 'м'
+        5: 2,  # 'н'
+        1: 1,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 0,  # 'у'
+        39: 1,  # 'ф'
+        26: 2,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 2,  # 'ш'
+        29: 3,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 1,  # 'э'
+        27: 2,  # 'ю'
+        16: 1,  # 'я'
+    },
+    16: {  # 'я'
+        37: 0,  # 'А'
+        44: 0,  # 'Б'
+        33: 0,  # 'В'
+        46: 0,  # 'Г'
+        41: 0,  # 'Д'
+        48: 0,  # 'Е'
+        56: 0,  # 'Ж'
+        51: 0,  # 'З'
+        42: 0,  # 'И'
+        60: 0,  # 'Й'
+        36: 0,  # 'К'
+        49: 0,  # 'Л'
+        38: 0,  # 'М'
+        31: 0,  # 'Н'
+        34: 0,  # 'О'
+        35: 0,  # 'П'
+        45: 0,  # 'Р'
+        32: 0,  # 'С'
+        40: 0,  # 'Т'
+        52: 0,  # 'У'
+        53: 0,  # 'Ф'
+        55: 0,  # 'Х'
+        58: 0,  # 'Ц'
+        50: 0,  # 'Ч'
+        57: 0,  # 'Ш'
+        63: 0,  # 'Щ'
+        62: 0,  # 'Ы'
+        61: 0,  # 'Ь'
+        47: 0,  # 'Э'
+        59: 0,  # 'Ю'
+        43: 0,  # 'Я'
+        3: 0,  # 'а'
+        21: 2,  # 'б'
+        10: 3,  # 'в'
+        19: 2,  # 'г'
+        13: 3,  # 'д'
+        2: 3,  # 'е'
+        24: 3,  # 'ж'
+        20: 3,  # 'з'
+        4: 2,  # 'и'
+        23: 2,  # 'й'
+        11: 3,  # 'к'
+        8: 3,  # 'л'
+        12: 3,  # 'м'
+        5: 3,  # 'н'
+        1: 0,  # 'о'
+        15: 2,  # 'п'
+        9: 2,  # 'р'
+        7: 3,  # 'с'
+        6: 3,  # 'т'
+        14: 1,  # 'у'
+        39: 1,  # 'ф'
+        26: 3,  # 'х'
+        28: 2,  # 'ц'
+        22: 2,  # 'ч'
+        25: 2,  # 'ш'
+        29: 3,  # 'щ'
+        54: 0,  # 'ъ'
+        18: 0,  # 'ы'
+        17: 0,  # 'ь'
+        30: 0,  # 'э'
+        27: 2,  # 'ю'
+        16: 2,  # 'я'
+    },
+}
+
+# 255: Undefined characters that did not exist in training text
+# 254: Carriage/Return
+# 253: symbol (punctuation) that does not belong to word
+# 252: 0 - 9
+# 251: Control characters
+
+# Character Mapping Table(s):
+IBM866_RUSSIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 142,  # 'A'
+    66: 143,  # 'B'
+    67: 144,  # 'C'
+    68: 145,  # 'D'
+    69: 146,  # 'E'
+    70: 147,  # 'F'
+    71: 148,  # 'G'
+    72: 149,  # 'H'
+    73: 150,  # 'I'
+    74: 151,  # 'J'
+    75: 152,  # 'K'
+    76: 74,  # 'L'
+    77: 153,  # 'M'
+    78: 75,  # 'N'
+    79: 154,  # 'O'
+    80: 155,  # 'P'
+    81: 156,  # 'Q'
+    82: 157,  # 'R'
+    83: 158,  # 'S'
+    84: 159,  # 'T'
+    85: 160,  # 'U'
+    86: 161,  # 'V'
+    87: 162,  # 'W'
+    88: 163,  # 'X'
+    89: 164,  # 'Y'
+    90: 165,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 71,  # 'a'
+    98: 172,  # 'b'
+    99: 66,  # 'c'
+    100: 173,  # 'd'
+    101: 65,  # 'e'
+    102: 174,  # 'f'
+    103: 76,  # 'g'
+    104: 175,  # 'h'
+    105: 64,  # 'i'
+    106: 176,  # 'j'
+    107: 177,  # 'k'
+    108: 77,  # 'l'
+    109: 72,  # 'm'
+    110: 178,  # 'n'
+    111: 69,  # 'o'
+    112: 67,  # 'p'
+    113: 179,  # 'q'
+    114: 78,  # 'r'
+    115: 73,  # 's'
+    116: 180,  # 't'
+    117: 181,  # 'u'
+    118: 79,  # 'v'
+    119: 182,  # 'w'
+    120: 183,  # 'x'
+    121: 184,  # 'y'
+    122: 185,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 37,  # 'А'
+    129: 44,  # 'Б'
+    130: 33,  # 'В'
+    131: 46,  # 'Г'
+    132: 41,  # 'Д'
+    133: 48,  # 'Е'
+    134: 56,  # 'Ж'
+    135: 51,  # 'З'
+    136: 42,  # 'И'
+    137: 60,  # 'Й'
+    138: 36,  # 'К'
+    139: 49,  # 'Л'
+    140: 38,  # 'М'
+    141: 31,  # 'Н'
+    142: 34,  # 'О'
+    143: 35,  # 'П'
+    144: 45,  # 'Р'
+    145: 32,  # 'С'
+    146: 40,  # 'Т'
+    147: 52,  # 'У'
+    148: 53,  # 'Ф'
+    149: 55,  # 'Х'
+    150: 58,  # 'Ц'
+    151: 50,  # 'Ч'
+    152: 57,  # 'Ш'
+    153: 63,  # 'Щ'
+    154: 70,  # 'Ъ'
+    155: 62,  # 'Ы'
+    156: 61,  # 'Ь'
+    157: 47,  # 'Э'
+    158: 59,  # 'Ю'
+    159: 43,  # 'Я'
+    160: 3,  # 'а'
+    161: 21,  # 'б'
+    162: 10,  # 'в'
+    163: 19,  # 'г'
+    164: 13,  # 'д'
+    165: 2,  # 'е'
+    166: 24,  # 'ж'
+    167: 20,  # 'з'
+    168: 4,  # 'и'
+    169: 23,  # 'й'
+    170: 11,  # 'к'
+    171: 8,  # 'л'
+    172: 12,  # 'м'
+    173: 5,  # 'н'
+    174: 1,  # 'о'
+    175: 15,  # 'п'
+    176: 191,  # '░'
+    177: 192,  # '▒'
+    178: 193,  # '▓'
+    179: 194,  # '│'
+    180: 195,  # '┤'
+    181: 196,  # '╡'
+    182: 197,  # '╢'
+    183: 198,  # '╖'
+    184: 199,  # '╕'
+    185: 200,  # '╣'
+    186: 201,  # '║'
+    187: 202,  # '╗'
+    188: 203,  # '╝'
+    189: 204,  # '╜'
+    190: 205,  # '╛'
+    191: 206,  # '┐'
+    192: 207,  # '└'
+    193: 208,  # '┴'
+    194: 209,  # '┬'
+    195: 210,  # '├'
+    196: 211,  # '─'
+    197: 212,  # '┼'
+    198: 213,  # '╞'
+    199: 214,  # '╟'
+    200: 215,  # '╚'
+    201: 216,  # '╔'
+    202: 217,  # '╩'
+    203: 218,  # '╦'
+    204: 219,  # '╠'
+    205: 220,  # '═'
+    206: 221,  # '╬'
+    207: 222,  # '╧'
+    208: 223,  # '╨'
+    209: 224,  # '╤'
+    210: 225,  # '╥'
+    211: 226,  # '╙'
+    212: 227,  # '╘'
+    213: 228,  # '╒'
+    214: 229,  # '╓'
+    215: 230,  # '╫'
+    216: 231,  # '╪'
+    217: 232,  # '┘'
+    218: 233,  # '┌'
+    219: 234,  # '█'
+    220: 235,  # '▄'
+    221: 236,  # '▌'
+    222: 237,  # '▐'
+    223: 238,  # '▀'
+    224: 9,  # 'р'
+    225: 7,  # 'с'
+    226: 6,  # 'т'
+    227: 14,  # 'у'
+    228: 39,  # 'ф'
+    229: 26,  # 'х'
+    230: 28,  # 'ц'
+    231: 22,  # 'ч'
+    232: 25,  # 'ш'
+    233: 29,  # 'щ'
+    234: 54,  # 'ъ'
+    235: 18,  # 'ы'
+    236: 17,  # 'ь'
+    237: 30,  # 'э'
+    238: 27,  # 'ю'
+    239: 16,  # 'я'
+    240: 239,  # 'Ё'
+    241: 68,  # 'ё'
+    242: 240,  # 'Є'
+    243: 241,  # 'є'
+    244: 242,  # 'Ї'
+    245: 243,  # 'ї'
+    246: 244,  # 'Ў'
+    247: 245,  # 'ў'
+    248: 246,  # '°'
+    249: 247,  # '∙'
+    250: 248,  # '·'
+    251: 249,  # '√'
+    252: 250,  # '№'
+    253: 251,  # '¤'
+    254: 252,  # '■'
+    255: 255,  # '\xa0'
+}
+
+IBM866_RUSSIAN_MODEL = SingleByteCharSetModel(
+    charset_name="IBM866",
+    language="Russian",
+    char_to_order_map=IBM866_RUSSIAN_CHAR_TO_ORDER,
+    language_model=RUSSIAN_LANG_MODEL,
+    typical_positive_ratio=0.976601,
+    keep_ascii_letters=False,
+    alphabet="ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё",
+)
+
+WINDOWS_1251_RUSSIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 142,  # 'A'
+    66: 143,  # 'B'
+    67: 144,  # 'C'
+    68: 145,  # 'D'
+    69: 146,  # 'E'
+    70: 147,  # 'F'
+    71: 148,  # 'G'
+    72: 149,  # 'H'
+    73: 150,  # 'I'
+    74: 151,  # 'J'
+    75: 152,  # 'K'
+    76: 74,  # 'L'
+    77: 153,  # 'M'
+    78: 75,  # 'N'
+    79: 154,  # 'O'
+    80: 155,  # 'P'
+    81: 156,  # 'Q'
+    82: 157,  # 'R'
+    83: 158,  # 'S'
+    84: 159,  # 'T'
+    85: 160,  # 'U'
+    86: 161,  # 'V'
+    87: 162,  # 'W'
+    88: 163,  # 'X'
+    89: 164,  # 'Y'
+    90: 165,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 71,  # 'a'
+    98: 172,  # 'b'
+    99: 66,  # 'c'
+    100: 173,  # 'd'
+    101: 65,  # 'e'
+    102: 174,  # 'f'
+    103: 76,  # 'g'
+    104: 175,  # 'h'
+    105: 64,  # 'i'
+    106: 176,  # 'j'
+    107: 177,  # 'k'
+    108: 77,  # 'l'
+    109: 72,  # 'm'
+    110: 178,  # 'n'
+    111: 69,  # 'o'
+    112: 67,  # 'p'
+    113: 179,  # 'q'
+    114: 78,  # 'r'
+    115: 73,  # 's'
+    116: 180,  # 't'
+    117: 181,  # 'u'
+    118: 79,  # 'v'
+    119: 182,  # 'w'
+    120: 183,  # 'x'
+    121: 184,  # 'y'
+    122: 185,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 191,  # 'Ђ'
+    129: 192,  # 'Ѓ'
+    130: 193,  # '‚'
+    131: 194,  # 'ѓ'
+    132: 195,  # '„'
+    133: 196,  # '…'
+    134: 197,  # '†'
+    135: 198,  # '‡'
+    136: 199,  # '€'
+    137: 200,  # '‰'
+    138: 201,  # 'Љ'
+    139: 202,  # '‹'
+    140: 203,  # 'Њ'
+    141: 204,  # 'Ќ'
+    142: 205,  # 'Ћ'
+    143: 206,  # 'Џ'
+    144: 207,  # 'ђ'
+    145: 208,  # '‘'
+    146: 209,  # '’'
+    147: 210,  # '“'
+    148: 211,  # '”'
+    149: 212,  # '•'
+    150: 213,  # '–'
+    151: 214,  # '—'
+    152: 215,  # None
+    153: 216,  # '™'
+    154: 217,  # 'љ'
+    155: 218,  # '›'
+    156: 219,  # 'њ'
+    157: 220,  # 'ќ'
+    158: 221,  # 'ћ'
+    159: 222,  # 'џ'
+    160: 223,  # '\xa0'
+    161: 224,  # 'Ў'
+    162: 225,  # 'ў'
+    163: 226,  # 'Ј'
+    164: 227,  # '¤'
+    165: 228,  # 'Ґ'
+    166: 229,  # '¦'
+    167: 230,  # '§'
+    168: 231,  # 'Ё'
+    169: 232,  # '©'
+    170: 233,  # 'Є'
+    171: 234,  # '«'
+    172: 235,  # '¬'
+    173: 236,  # '\xad'
+    174: 237,  # '®'
+    175: 238,  # 'Ї'
+    176: 239,  # '°'
+    177: 240,  # '±'
+    178: 241,  # 'І'
+    179: 242,  # 'і'
+    180: 243,  # 'ґ'
+    181: 244,  # 'µ'
+    182: 245,  # '¶'
+    183: 246,  # '·'
+    184: 68,  # 'ё'
+    185: 247,  # '№'
+    186: 248,  # 'є'
+    187: 249,  # '»'
+    188: 250,  # 'ј'
+    189: 251,  # 'Ѕ'
+    190: 252,  # 'ѕ'
+    191: 253,  # 'ї'
+    192: 37,  # 'А'
+    193: 44,  # 'Б'
+    194: 33,  # 'В'
+    195: 46,  # 'Г'
+    196: 41,  # 'Д'
+    197: 48,  # 'Е'
+    198: 56,  # 'Ж'
+    199: 51,  # 'З'
+    200: 42,  # 'И'
+    201: 60,  # 'Й'
+    202: 36,  # 'К'
+    203: 49,  # 'Л'
+    204: 38,  # 'М'
+    205: 31,  # 'Н'
+    206: 34,  # 'О'
+    207: 35,  # 'П'
+    208: 45,  # 'Р'
+    209: 32,  # 'С'
+    210: 40,  # 'Т'
+    211: 52,  # 'У'
+    212: 53,  # 'Ф'
+    213: 55,  # 'Х'
+    214: 58,  # 'Ц'
+    215: 50,  # 'Ч'
+    216: 57,  # 'Ш'
+    217: 63,  # 'Щ'
+    218: 70,  # 'Ъ'
+    219: 62,  # 'Ы'
+    220: 61,  # 'Ь'
+    221: 47,  # 'Э'
+    222: 59,  # 'Ю'
+    223: 43,  # 'Я'
+    224: 3,  # 'а'
+    225: 21,  # 'б'
+    226: 10,  # 'в'
+    227: 19,  # 'г'
+    228: 13,  # 'д'
+    229: 2,  # 'е'
+    230: 24,  # 'ж'
+    231: 20,  # 'з'
+    232: 4,  # 'и'
+    233: 23,  # 'й'
+    234: 11,  # 'к'
+    235: 8,  # 'л'
+    236: 12,  # 'м'
+    237: 5,  # 'н'
+    238: 1,  # 'о'
+    239: 15,  # 'п'
+    240: 9,  # 'р'
+    241: 7,  # 'с'
+    242: 6,  # 'т'
+    243: 14,  # 'у'
+    244: 39,  # 'ф'
+    245: 26,  # 'х'
+    246: 28,  # 'ц'
+    247: 22,  # 'ч'
+    248: 25,  # 'ш'
+    249: 29,  # 'щ'
+    250: 54,  # 'ъ'
+    251: 18,  # 'ы'
+    252: 17,  # 'ь'
+    253: 30,  # 'э'
+    254: 27,  # 'ю'
+    255: 16,  # 'я'
+}
+
+WINDOWS_1251_RUSSIAN_MODEL = SingleByteCharSetModel(
+    charset_name="windows-1251",
+    language="Russian",
+    char_to_order_map=WINDOWS_1251_RUSSIAN_CHAR_TO_ORDER,
+    language_model=RUSSIAN_LANG_MODEL,
+    typical_positive_ratio=0.976601,
+    keep_ascii_letters=False,
+    alphabet="ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё",
+)
+
+IBM855_RUSSIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 142,  # 'A'
+    66: 143,  # 'B'
+    67: 144,  # 'C'
+    68: 145,  # 'D'
+    69: 146,  # 'E'
+    70: 147,  # 'F'
+    71: 148,  # 'G'
+    72: 149,  # 'H'
+    73: 150,  # 'I'
+    74: 151,  # 'J'
+    75: 152,  # 'K'
+    76: 74,  # 'L'
+    77: 153,  # 'M'
+    78: 75,  # 'N'
+    79: 154,  # 'O'
+    80: 155,  # 'P'
+    81: 156,  # 'Q'
+    82: 157,  # 'R'
+    83: 158,  # 'S'
+    84: 159,  # 'T'
+    85: 160,  # 'U'
+    86: 161,  # 'V'
+    87: 162,  # 'W'
+    88: 163,  # 'X'
+    89: 164,  # 'Y'
+    90: 165,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 71,  # 'a'
+    98: 172,  # 'b'
+    99: 66,  # 'c'
+    100: 173,  # 'd'
+    101: 65,  # 'e'
+    102: 174,  # 'f'
+    103: 76,  # 'g'
+    104: 175,  # 'h'
+    105: 64,  # 'i'
+    106: 176,  # 'j'
+    107: 177,  # 'k'
+    108: 77,  # 'l'
+    109: 72,  # 'm'
+    110: 178,  # 'n'
+    111: 69,  # 'o'
+    112: 67,  # 'p'
+    113: 179,  # 'q'
+    114: 78,  # 'r'
+    115: 73,  # 's'
+    116: 180,  # 't'
+    117: 181,  # 'u'
+    118: 79,  # 'v'
+    119: 182,  # 'w'
+    120: 183,  # 'x'
+    121: 184,  # 'y'
+    122: 185,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 191,  # 'ђ'
+    129: 192,  # 'Ђ'
+    130: 193,  # 'ѓ'
+    131: 194,  # 'Ѓ'
+    132: 68,  # 'ё'
+    133: 195,  # 'Ё'
+    134: 196,  # 'є'
+    135: 197,  # 'Є'
+    136: 198,  # 'ѕ'
+    137: 199,  # 'Ѕ'
+    138: 200,  # 'і'
+    139: 201,  # 'І'
+    140: 202,  # 'ї'
+    141: 203,  # 'Ї'
+    142: 204,  # 'ј'
+    143: 205,  # 'Ј'
+    144: 206,  # 'љ'
+    145: 207,  # 'Љ'
+    146: 208,  # 'њ'
+    147: 209,  # 'Њ'
+    148: 210,  # 'ћ'
+    149: 211,  # 'Ћ'
+    150: 212,  # 'ќ'
+    151: 213,  # 'Ќ'
+    152: 214,  # 'ў'
+    153: 215,  # 'Ў'
+    154: 216,  # 'џ'
+    155: 217,  # 'Џ'
+    156: 27,  # 'ю'
+    157: 59,  # 'Ю'
+    158: 54,  # 'ъ'
+    159: 70,  # 'Ъ'
+    160: 3,  # 'а'
+    161: 37,  # 'А'
+    162: 21,  # 'б'
+    163: 44,  # 'Б'
+    164: 28,  # 'ц'
+    165: 58,  # 'Ц'
+    166: 13,  # 'д'
+    167: 41,  # 'Д'
+    168: 2,  # 'е'
+    169: 48,  # 'Е'
+    170: 39,  # 'ф'
+    171: 53,  # 'Ф'
+    172: 19,  # 'г'
+    173: 46,  # 'Г'
+    174: 218,  # '«'
+    175: 219,  # '»'
+    176: 220,  # '░'
+    177: 221,  # '▒'
+    178: 222,  # '▓'
+    179: 223,  # '│'
+    180: 224,  # '┤'
+    181: 26,  # 'х'
+    182: 55,  # 'Х'
+    183: 4,  # 'и'
+    184: 42,  # 'И'
+    185: 225,  # '╣'
+    186: 226,  # '║'
+    187: 227,  # '╗'
+    188: 228,  # '╝'
+    189: 23,  # 'й'
+    190: 60,  # 'Й'
+    191: 229,  # '┐'
+    192: 230,  # '└'
+    193: 231,  # '┴'
+    194: 232,  # '┬'
+    195: 233,  # '├'
+    196: 234,  # '─'
+    197: 235,  # '┼'
+    198: 11,  # 'к'
+    199: 36,  # 'К'
+    200: 236,  # '╚'
+    201: 237,  # '╔'
+    202: 238,  # '╩'
+    203: 239,  # '╦'
+    204: 240,  # '╠'
+    205: 241,  # '═'
+    206: 242,  # '╬'
+    207: 243,  # '¤'
+    208: 8,  # 'л'
+    209: 49,  # 'Л'
+    210: 12,  # 'м'
+    211: 38,  # 'М'
+    212: 5,  # 'н'
+    213: 31,  # 'Н'
+    214: 1,  # 'о'
+    215: 34,  # 'О'
+    216: 15,  # 'п'
+    217: 244,  # '┘'
+    218: 245,  # '┌'
+    219: 246,  # '█'
+    220: 247,  # '▄'
+    221: 35,  # 'П'
+    222: 16,  # 'я'
+    223: 248,  # '▀'
+    224: 43,  # 'Я'
+    225: 9,  # 'р'
+    226: 45,  # 'Р'
+    227: 7,  # 'с'
+    228: 32,  # 'С'
+    229: 6,  # 'т'
+    230: 40,  # 'Т'
+    231: 14,  # 'у'
+    232: 52,  # 'У'
+    233: 24,  # 'ж'
+    234: 56,  # 'Ж'
+    235: 10,  # 'в'
+    236: 33,  # 'В'
+    237: 17,  # 'ь'
+    238: 61,  # 'Ь'
+    239: 249,  # '№'
+    240: 250,  # '\xad'
+    241: 18,  # 'ы'
+    242: 62,  # 'Ы'
+    243: 20,  # 'з'
+    244: 51,  # 'З'
+    245: 25,  # 'ш'
+    246: 57,  # 'Ш'
+    247: 30,  # 'э'
+    248: 47,  # 'Э'
+    249: 29,  # 'щ'
+    250: 63,  # 'Щ'
+    251: 22,  # 'ч'
+    252: 50,  # 'Ч'
+    253: 251,  # '§'
+    254: 252,  # '■'
+    255: 255,  # '\xa0'
+}
+
+IBM855_RUSSIAN_MODEL = SingleByteCharSetModel(
+    charset_name="IBM855",
+    language="Russian",
+    char_to_order_map=IBM855_RUSSIAN_CHAR_TO_ORDER,
+    language_model=RUSSIAN_LANG_MODEL,
+    typical_positive_ratio=0.976601,
+    keep_ascii_letters=False,
+    alphabet="ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё",
+)
+
+KOI8_R_RUSSIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 142,  # 'A'
+    66: 143,  # 'B'
+    67: 144,  # 'C'
+    68: 145,  # 'D'
+    69: 146,  # 'E'
+    70: 147,  # 'F'
+    71: 148,  # 'G'
+    72: 149,  # 'H'
+    73: 150,  # 'I'
+    74: 151,  # 'J'
+    75: 152,  # 'K'
+    76: 74,  # 'L'
+    77: 153,  # 'M'
+    78: 75,  # 'N'
+    79: 154,  # 'O'
+    80: 155,  # 'P'
+    81: 156,  # 'Q'
+    82: 157,  # 'R'
+    83: 158,  # 'S'
+    84: 159,  # 'T'
+    85: 160,  # 'U'
+    86: 161,  # 'V'
+    87: 162,  # 'W'
+    88: 163,  # 'X'
+    89: 164,  # 'Y'
+    90: 165,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 71,  # 'a'
+    98: 172,  # 'b'
+    99: 66,  # 'c'
+    100: 173,  # 'd'
+    101: 65,  # 'e'
+    102: 174,  # 'f'
+    103: 76,  # 'g'
+    104: 175,  # 'h'
+    105: 64,  # 'i'
+    106: 176,  # 'j'
+    107: 177,  # 'k'
+    108: 77,  # 'l'
+    109: 72,  # 'm'
+    110: 178,  # 'n'
+    111: 69,  # 'o'
+    112: 67,  # 'p'
+    113: 179,  # 'q'
+    114: 78,  # 'r'
+    115: 73,  # 's'
+    116: 180,  # 't'
+    117: 181,  # 'u'
+    118: 79,  # 'v'
+    119: 182,  # 'w'
+    120: 183,  # 'x'
+    121: 184,  # 'y'
+    122: 185,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 191,  # '─'
+    129: 192,  # '│'
+    130: 193,  # '┌'
+    131: 194,  # '┐'
+    132: 195,  # '└'
+    133: 196,  # '┘'
+    134: 197,  # '├'
+    135: 198,  # '┤'
+    136: 199,  # '┬'
+    137: 200,  # '┴'
+    138: 201,  # '┼'
+    139: 202,  # '▀'
+    140: 203,  # '▄'
+    141: 204,  # '█'
+    142: 205,  # '▌'
+    143: 206,  # '▐'
+    144: 207,  # '░'
+    145: 208,  # '▒'
+    146: 209,  # '▓'
+    147: 210,  # '⌠'
+    148: 211,  # '■'
+    149: 212,  # '∙'
+    150: 213,  # '√'
+    151: 214,  # '≈'
+    152: 215,  # '≤'
+    153: 216,  # '≥'
+    154: 217,  # '\xa0'
+    155: 218,  # '⌡'
+    156: 219,  # '°'
+    157: 220,  # '²'
+    158: 221,  # '·'
+    159: 222,  # '÷'
+    160: 223,  # '═'
+    161: 224,  # '║'
+    162: 225,  # '╒'
+    163: 68,  # 'ё'
+    164: 226,  # '╓'
+    165: 227,  # '╔'
+    166: 228,  # '╕'
+    167: 229,  # '╖'
+    168: 230,  # '╗'
+    169: 231,  # '╘'
+    170: 232,  # '╙'
+    171: 233,  # '╚'
+    172: 234,  # '╛'
+    173: 235,  # '╜'
+    174: 236,  # '╝'
+    175: 237,  # '╞'
+    176: 238,  # '╟'
+    177: 239,  # '╠'
+    178: 240,  # '╡'
+    179: 241,  # 'Ё'
+    180: 242,  # '╢'
+    181: 243,  # '╣'
+    182: 244,  # '╤'
+    183: 245,  # '╥'
+    184: 246,  # '╦'
+    185: 247,  # '╧'
+    186: 248,  # '╨'
+    187: 249,  # '╩'
+    188: 250,  # '╪'
+    189: 251,  # '╫'
+    190: 252,  # '╬'
+    191: 253,  # '©'
+    192: 27,  # 'ю'
+    193: 3,  # 'а'
+    194: 21,  # 'б'
+    195: 28,  # 'ц'
+    196: 13,  # 'д'
+    197: 2,  # 'е'
+    198: 39,  # 'ф'
+    199: 19,  # 'г'
+    200: 26,  # 'х'
+    201: 4,  # 'и'
+    202: 23,  # 'й'
+    203: 11,  # 'к'
+    204: 8,  # 'л'
+    205: 12,  # 'м'
+    206: 5,  # 'н'
+    207: 1,  # 'о'
+    208: 15,  # 'п'
+    209: 16,  # 'я'
+    210: 9,  # 'р'
+    211: 7,  # 'с'
+    212: 6,  # 'т'
+    213: 14,  # 'у'
+    214: 24,  # 'ж'
+    215: 10,  # 'в'
+    216: 17,  # 'ь'
+    217: 18,  # 'ы'
+    218: 20,  # 'з'
+    219: 25,  # 'ш'
+    220: 30,  # 'э'
+    221: 29,  # 'щ'
+    222: 22,  # 'ч'
+    223: 54,  # 'ъ'
+    224: 59,  # 'Ю'
+    225: 37,  # 'А'
+    226: 44,  # 'Б'
+    227: 58,  # 'Ц'
+    228: 41,  # 'Д'
+    229: 48,  # 'Е'
+    230: 53,  # 'Ф'
+    231: 46,  # 'Г'
+    232: 55,  # 'Х'
+    233: 42,  # 'И'
+    234: 60,  # 'Й'
+    235: 36,  # 'К'
+    236: 49,  # 'Л'
+    237: 38,  # 'М'
+    238: 31,  # 'Н'
+    239: 34,  # 'О'
+    240: 35,  # 'П'
+    241: 43,  # 'Я'
+    242: 45,  # 'Р'
+    243: 32,  # 'С'
+    244: 40,  # 'Т'
+    245: 52,  # 'У'
+    246: 56,  # 'Ж'
+    247: 33,  # 'В'
+    248: 61,  # 'Ь'
+    249: 62,  # 'Ы'
+    250: 51,  # 'З'
+    251: 57,  # 'Ш'
+    252: 47,  # 'Э'
+    253: 63,  # 'Щ'
+    254: 50,  # 'Ч'
+    255: 70,  # 'Ъ'
+}
+
+KOI8_R_RUSSIAN_MODEL = SingleByteCharSetModel(
+    charset_name="KOI8-R",
+    language="Russian",
+    char_to_order_map=KOI8_R_RUSSIAN_CHAR_TO_ORDER,
+    language_model=RUSSIAN_LANG_MODEL,
+    typical_positive_ratio=0.976601,
+    keep_ascii_letters=False,
+    alphabet="ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё",
+)
+
+MACCYRILLIC_RUSSIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 142,  # 'A'
+    66: 143,  # 'B'
+    67: 144,  # 'C'
+    68: 145,  # 'D'
+    69: 146,  # 'E'
+    70: 147,  # 'F'
+    71: 148,  # 'G'
+    72: 149,  # 'H'
+    73: 150,  # 'I'
+    74: 151,  # 'J'
+    75: 152,  # 'K'
+    76: 74,  # 'L'
+    77: 153,  # 'M'
+    78: 75,  # 'N'
+    79: 154,  # 'O'
+    80: 155,  # 'P'
+    81: 156,  # 'Q'
+    82: 157,  # 'R'
+    83: 158,  # 'S'
+    84: 159,  # 'T'
+    85: 160,  # 'U'
+    86: 161,  # 'V'
+    87: 162,  # 'W'
+    88: 163,  # 'X'
+    89: 164,  # 'Y'
+    90: 165,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 71,  # 'a'
+    98: 172,  # 'b'
+    99: 66,  # 'c'
+    100: 173,  # 'd'
+    101: 65,  # 'e'
+    102: 174,  # 'f'
+    103: 76,  # 'g'
+    104: 175,  # 'h'
+    105: 64,  # 'i'
+    106: 176,  # 'j'
+    107: 177,  # 'k'
+    108: 77,  # 'l'
+    109: 72,  # 'm'
+    110: 178,  # 'n'
+    111: 69,  # 'o'
+    112: 67,  # 'p'
+    113: 179,  # 'q'
+    114: 78,  # 'r'
+    115: 73,  # 's'
+    116: 180,  # 't'
+    117: 181,  # 'u'
+    118: 79,  # 'v'
+    119: 182,  # 'w'
+    120: 183,  # 'x'
+    121: 184,  # 'y'
+    122: 185,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 37,  # 'А'
+    129: 44,  # 'Б'
+    130: 33,  # 'В'
+    131: 46,  # 'Г'
+    132: 41,  # 'Д'
+    133: 48,  # 'Е'
+    134: 56,  # 'Ж'
+    135: 51,  # 'З'
+    136: 42,  # 'И'
+    137: 60,  # 'Й'
+    138: 36,  # 'К'
+    139: 49,  # 'Л'
+    140: 38,  # 'М'
+    141: 31,  # 'Н'
+    142: 34,  # 'О'
+    143: 35,  # 'П'
+    144: 45,  # 'Р'
+    145: 32,  # 'С'
+    146: 40,  # 'Т'
+    147: 52,  # 'У'
+    148: 53,  # 'Ф'
+    149: 55,  # 'Х'
+    150: 58,  # 'Ц'
+    151: 50,  # 'Ч'
+    152: 57,  # 'Ш'
+    153: 63,  # 'Щ'
+    154: 70,  # 'Ъ'
+    155: 62,  # 'Ы'
+    156: 61,  # 'Ь'
+    157: 47,  # 'Э'
+    158: 59,  # 'Ю'
+    159: 43,  # 'Я'
+    160: 191,  # '†'
+    161: 192,  # '°'
+    162: 193,  # 'Ґ'
+    163: 194,  # '£'
+    164: 195,  # '§'
+    165: 196,  # '•'
+    166: 197,  # '¶'
+    167: 198,  # 'І'
+    168: 199,  # '®'
+    169: 200,  # '©'
+    170: 201,  # '™'
+    171: 202,  # 'Ђ'
+    172: 203,  # 'ђ'
+    173: 204,  # '≠'
+    174: 205,  # 'Ѓ'
+    175: 206,  # 'ѓ'
+    176: 207,  # '∞'
+    177: 208,  # '±'
+    178: 209,  # '≤'
+    179: 210,  # '≥'
+    180: 211,  # 'і'
+    181: 212,  # 'µ'
+    182: 213,  # 'ґ'
+    183: 214,  # 'Ј'
+    184: 215,  # 'Є'
+    185: 216,  # 'є'
+    186: 217,  # 'Ї'
+    187: 218,  # 'ї'
+    188: 219,  # 'Љ'
+    189: 220,  # 'љ'
+    190: 221,  # 'Њ'
+    191: 222,  # 'њ'
+    192: 223,  # 'ј'
+    193: 224,  # 'Ѕ'
+    194: 225,  # '¬'
+    195: 226,  # '√'
+    196: 227,  # 'ƒ'
+    197: 228,  # '≈'
+    198: 229,  # '∆'
+    199: 230,  # '«'
+    200: 231,  # '»'
+    201: 232,  # '…'
+    202: 233,  # '\xa0'
+    203: 234,  # 'Ћ'
+    204: 235,  # 'ћ'
+    205: 236,  # 'Ќ'
+    206: 237,  # 'ќ'
+    207: 238,  # 'ѕ'
+    208: 239,  # '–'
+    209: 240,  # '—'
+    210: 241,  # '“'
+    211: 242,  # '”'
+    212: 243,  # '‘'
+    213: 244,  # '’'
+    214: 245,  # '÷'
+    215: 246,  # '„'
+    216: 247,  # 'Ў'
+    217: 248,  # 'ў'
+    218: 249,  # 'Џ'
+    219: 250,  # 'џ'
+    220: 251,  # '№'
+    221: 252,  # 'Ё'
+    222: 68,  # 'ё'
+    223: 16,  # 'я'
+    224: 3,  # 'а'
+    225: 21,  # 'б'
+    226: 10,  # 'в'
+    227: 19,  # 'г'
+    228: 13,  # 'д'
+    229: 2,  # 'е'
+    230: 24,  # 'ж'
+    231: 20,  # 'з'
+    232: 4,  # 'и'
+    233: 23,  # 'й'
+    234: 11,  # 'к'
+    235: 8,  # 'л'
+    236: 12,  # 'м'
+    237: 5,  # 'н'
+    238: 1,  # 'о'
+    239: 15,  # 'п'
+    240: 9,  # 'р'
+    241: 7,  # 'с'
+    242: 6,  # 'т'
+    243: 14,  # 'у'
+    244: 39,  # 'ф'
+    245: 26,  # 'х'
+    246: 28,  # 'ц'
+    247: 22,  # 'ч'
+    248: 25,  # 'ш'
+    249: 29,  # 'щ'
+    250: 54,  # 'ъ'
+    251: 18,  # 'ы'
+    252: 17,  # 'ь'
+    253: 30,  # 'э'
+    254: 27,  # 'ю'
+    255: 255,  # '€'
+}
+
+MACCYRILLIC_RUSSIAN_MODEL = SingleByteCharSetModel(
+    charset_name="MacCyrillic",
+    language="Russian",
+    char_to_order_map=MACCYRILLIC_RUSSIAN_CHAR_TO_ORDER,
+    language_model=RUSSIAN_LANG_MODEL,
+    typical_positive_ratio=0.976601,
+    keep_ascii_letters=False,
+    alphabet="ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё",
+)
+
+ISO_8859_5_RUSSIAN_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 142,  # 'A'
+    66: 143,  # 'B'
+    67: 144,  # 'C'
+    68: 145,  # 'D'
+    69: 146,  # 'E'
+    70: 147,  # 'F'
+    71: 148,  # 'G'
+    72: 149,  # 'H'
+    73: 150,  # 'I'
+    74: 151,  # 'J'
+    75: 152,  # 'K'
+    76: 74,  # 'L'
+    77: 153,  # 'M'
+    78: 75,  # 'N'
+    79: 154,  # 'O'
+    80: 155,  # 'P'
+    81: 156,  # 'Q'
+    82: 157,  # 'R'
+    83: 158,  # 'S'
+    84: 159,  # 'T'
+    85: 160,  # 'U'
+    86: 161,  # 'V'
+    87: 162,  # 'W'
+    88: 163,  # 'X'
+    89: 164,  # 'Y'
+    90: 165,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 71,  # 'a'
+    98: 172,  # 'b'
+    99: 66,  # 'c'
+    100: 173,  # 'd'
+    101: 65,  # 'e'
+    102: 174,  # 'f'
+    103: 76,  # 'g'
+    104: 175,  # 'h'
+    105: 64,  # 'i'
+    106: 176,  # 'j'
+    107: 177,  # 'k'
+    108: 77,  # 'l'
+    109: 72,  # 'm'
+    110: 178,  # 'n'
+    111: 69,  # 'o'
+    112: 67,  # 'p'
+    113: 179,  # 'q'
+    114: 78,  # 'r'
+    115: 73,  # 's'
+    116: 180,  # 't'
+    117: 181,  # 'u'
+    118: 79,  # 'v'
+    119: 182,  # 'w'
+    120: 183,  # 'x'
+    121: 184,  # 'y'
+    122: 185,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 191,  # '\x80'
+    129: 192,  # '\x81'
+    130: 193,  # '\x82'
+    131: 194,  # '\x83'
+    132: 195,  # '\x84'
+    133: 196,  # '\x85'
+    134: 197,  # '\x86'
+    135: 198,  # '\x87'
+    136: 199,  # '\x88'
+    137: 200,  # '\x89'
+    138: 201,  # '\x8a'
+    139: 202,  # '\x8b'
+    140: 203,  # '\x8c'
+    141: 204,  # '\x8d'
+    142: 205,  # '\x8e'
+    143: 206,  # '\x8f'
+    144: 207,  # '\x90'
+    145: 208,  # '\x91'
+    146: 209,  # '\x92'
+    147: 210,  # '\x93'
+    148: 211,  # '\x94'
+    149: 212,  # '\x95'
+    150: 213,  # '\x96'
+    151: 214,  # '\x97'
+    152: 215,  # '\x98'
+    153: 216,  # '\x99'
+    154: 217,  # '\x9a'
+    155: 218,  # '\x9b'
+    156: 219,  # '\x9c'
+    157: 220,  # '\x9d'
+    158: 221,  # '\x9e'
+    159: 222,  # '\x9f'
+    160: 223,  # '\xa0'
+    161: 224,  # 'Ё'
+    162: 225,  # 'Ђ'
+    163: 226,  # 'Ѓ'
+    164: 227,  # 'Є'
+    165: 228,  # 'Ѕ'
+    166: 229,  # 'І'
+    167: 230,  # 'Ї'
+    168: 231,  # 'Ј'
+    169: 232,  # 'Љ'
+    170: 233,  # 'Њ'
+    171: 234,  # 'Ћ'
+    172: 235,  # 'Ќ'
+    173: 236,  # '\xad'
+    174: 237,  # 'Ў'
+    175: 238,  # 'Џ'
+    176: 37,  # 'А'
+    177: 44,  # 'Б'
+    178: 33,  # 'В'
+    179: 46,  # 'Г'
+    180: 41,  # 'Д'
+    181: 48,  # 'Е'
+    182: 56,  # 'Ж'
+    183: 51,  # 'З'
+    184: 42,  # 'И'
+    185: 60,  # 'Й'
+    186: 36,  # 'К'
+    187: 49,  # 'Л'
+    188: 38,  # 'М'
+    189: 31,  # 'Н'
+    190: 34,  # 'О'
+    191: 35,  # 'П'
+    192: 45,  # 'Р'
+    193: 32,  # 'С'
+    194: 40,  # 'Т'
+    195: 52,  # 'У'
+    196: 53,  # 'Ф'
+    197: 55,  # 'Х'
+    198: 58,  # 'Ц'
+    199: 50,  # 'Ч'
+    200: 57,  # 'Ш'
+    201: 63,  # 'Щ'
+    202: 70,  # 'Ъ'
+    203: 62,  # 'Ы'
+    204: 61,  # 'Ь'
+    205: 47,  # 'Э'
+    206: 59,  # 'Ю'
+    207: 43,  # 'Я'
+    208: 3,  # 'а'
+    209: 21,  # 'б'
+    210: 10,  # 'в'
+    211: 19,  # 'г'
+    212: 13,  # 'д'
+    213: 2,  # 'е'
+    214: 24,  # 'ж'
+    215: 20,  # 'з'
+    216: 4,  # 'и'
+    217: 23,  # 'й'
+    218: 11,  # 'к'
+    219: 8,  # 'л'
+    220: 12,  # 'м'
+    221: 5,  # 'н'
+    222: 1,  # 'о'
+    223: 15,  # 'п'
+    224: 9,  # 'р'
+    225: 7,  # 'с'
+    226: 6,  # 'т'
+    227: 14,  # 'у'
+    228: 39,  # 'ф'
+    229: 26,  # 'х'
+    230: 28,  # 'ц'
+    231: 22,  # 'ч'
+    232: 25,  # 'ш'
+    233: 29,  # 'щ'
+    234: 54,  # 'ъ'
+    235: 18,  # 'ы'
+    236: 17,  # 'ь'
+    237: 30,  # 'э'
+    238: 27,  # 'ю'
+    239: 16,  # 'я'
+    240: 239,  # '№'
+    241: 68,  # 'ё'
+    242: 240,  # 'ђ'
+    243: 241,  # 'ѓ'
+    244: 242,  # 'є'
+    245: 243,  # 'ѕ'
+    246: 244,  # 'і'
+    247: 245,  # 'ї'
+    248: 246,  # 'ј'
+    249: 247,  # 'љ'
+    250: 248,  # 'њ'
+    251: 249,  # 'ћ'
+    252: 250,  # 'ќ'
+    253: 251,  # '§'
+    254: 252,  # 'ў'
+    255: 255,  # 'џ'
+}
+
+ISO_8859_5_RUSSIAN_MODEL = SingleByteCharSetModel(
+    charset_name="ISO-8859-5",
+    language="Russian",
+    char_to_order_map=ISO_8859_5_RUSSIAN_CHAR_TO_ORDER,
+    language_model=RUSSIAN_LANG_MODEL,
+    typical_positive_ratio=0.976601,
+    keep_ascii_letters=False,
+    alphabet="ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё",
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langthaimodel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langthaimodel.py
new file mode 100644
index 00000000..489cad93
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langthaimodel.py
@@ -0,0 +1,4380 @@
+from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel
+
+# 3: Positive
+# 2: Likely
+# 1: Unlikely
+# 0: Negative
+
+THAI_LANG_MODEL = {
+    5: {  # 'ก'
+        5: 2,  # 'ก'
+        30: 2,  # 'ข'
+        24: 2,  # 'ค'
+        8: 2,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 3,  # 'ฎ'
+        57: 2,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 2,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 3,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 1,  # 'บ'
+        25: 2,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 1,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 1,  # 'ย'
+        2: 3,  # 'ร'
+        61: 2,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 3,  # 'ว'
+        42: 2,  # 'ศ'
+        46: 3,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 3,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 3,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 2,  # 'ื'
+        32: 2,  # 'ุ'
+        35: 1,  # 'ู'
+        11: 2,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 3,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    30: {  # 'ข'
+        5: 1,  # 'ก'
+        30: 0,  # 'ข'
+        24: 1,  # 'ค'
+        8: 1,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 2,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 2,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 1,  # 'บ'
+        25: 1,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 2,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 1,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 3,  # 'ึ'
+        27: 1,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 1,  # '็'
+        6: 2,  # '่'
+        7: 3,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    24: {  # 'ค'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 2,  # 'ค'
+        8: 2,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 2,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 2,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 0,  # 'บ'
+        25: 1,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 2,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 3,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 2,  # 'า'
+        36: 3,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 1,  # 'เ'
+        28: 0,  # 'แ'
+        41: 3,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 1,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 3,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    8: {  # 'ง'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 3,  # 'ค'
+        8: 2,  # 'ง'
+        26: 2,  # 'จ'
+        52: 1,  # 'ฉ'
+        34: 2,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 1,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 1,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 2,  # 'ว'
+        42: 2,  # 'ศ'
+        46: 1,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 3,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 1,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 1,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 3,  # 'ๆ'
+        37: 0,  # '็'
+        6: 2,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    26: {  # 'จ'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 0,  # 'ค'
+        8: 2,  # 'ง'
+        26: 3,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 1,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 1,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 1,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 1,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 3,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 3,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 3,  # 'ึ'
+        27: 1,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 1,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 2,  # '่'
+        7: 2,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    52: {  # 'ฉ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 3,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 3,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 1,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 1,  # 'ั'
+        1: 1,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    34: {  # 'ช'
+        5: 1,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 1,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 1,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 1,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 2,  # 'ั'
+        1: 3,  # 'า'
+        36: 1,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 1,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 1,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    51: {  # 'ซ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 1,  # 'ั'
+        1: 1,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 3,  # 'ึ'
+        27: 2,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 1,  # 'ู'
+        11: 1,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 1,  # '็'
+        6: 1,  # '่'
+        7: 2,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    47: {  # 'ญ'
+        5: 1,  # 'ก'
+        30: 1,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 3,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 1,  # 'บ'
+        25: 1,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 2,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 2,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 1,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 0,  # '็'
+        6: 2,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    58: {  # 'ฎ'
+        5: 2,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 1,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    57: {  # 'ฏ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    49: {  # 'ฐ'
+        5: 1,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 2,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    53: {  # 'ฑ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 3,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    55: {  # 'ฒ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    43: {  # 'ณ'
+        5: 1,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 3,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 3,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 1,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 3,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 1,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 3,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    20: {  # 'ด'
+        5: 2,  # 'ก'
+        30: 2,  # 'ข'
+        24: 2,  # 'ค'
+        8: 3,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 1,  # 'บ'
+        25: 1,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 3,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 2,  # 'า'
+        36: 2,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 1,  # 'ึ'
+        27: 2,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 2,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 2,  # 'ๆ'
+        37: 2,  # '็'
+        6: 1,  # '่'
+        7: 3,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    19: {  # 'ต'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 1,  # 'ค'
+        8: 0,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 1,  # 'ต'
+        44: 2,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 1,  # 'บ'
+        25: 1,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 2,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 1,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 0,  # 'ห'
+        4: 3,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 2,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 1,  # 'ึ'
+        27: 1,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 1,  # 'เ'
+        28: 1,  # 'แ'
+        41: 1,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 2,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    44: {  # 'ถ'
+        5: 1,  # 'ก'
+        30: 0,  # 'ข'
+        24: 1,  # 'ค'
+        8: 0,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 2,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 2,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 3,  # 'ึ'
+        27: 2,  # 'ื'
+        32: 2,  # 'ุ'
+        35: 3,  # 'ู'
+        11: 1,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 2,  # '่'
+        7: 3,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    14: {  # 'ท'
+        5: 1,  # 'ก'
+        30: 1,  # 'ข'
+        24: 3,  # 'ค'
+        8: 1,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 3,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 3,  # 'ย'
+        2: 3,  # 'ร'
+        61: 1,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 2,  # 'ว'
+        42: 3,  # 'ศ'
+        46: 1,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 3,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 2,  # 'ึ'
+        27: 1,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 1,  # 'ู'
+        11: 0,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 1,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    48: {  # 'ธ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 1,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 2,  # 'า'
+        36: 0,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 2,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 3,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    3: {  # 'น'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 3,  # 'ค'
+        8: 1,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 1,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 2,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 3,  # 'ธ'
+        3: 2,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 2,  # 'ย'
+        2: 2,  # 'ร'
+        61: 1,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 3,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 3,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 3,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 3,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 3,  # 'เ'
+        28: 2,  # 'แ'
+        41: 3,  # 'โ'
+        29: 3,  # 'ใ'
+        33: 3,  # 'ไ'
+        50: 2,  # 'ๆ'
+        37: 1,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    17: {  # 'บ'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 2,  # 'ค'
+        8: 1,  # 'ง'
+        26: 1,  # 'จ'
+        52: 1,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 2,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 0,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 3,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 2,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 2,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 2,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 2,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 1,  # '็'
+        6: 2,  # '่'
+        7: 2,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    25: {  # 'ป'
+        5: 2,  # 'ก'
+        30: 0,  # 'ข'
+        24: 1,  # 'ค'
+        8: 0,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 1,  # 'ฎ'
+        57: 3,  # 'ฏ'
+        49: 1,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 1,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 0,  # 'บ'
+        25: 1,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 1,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 0,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 1,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 1,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 1,  # 'า'
+        36: 0,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 1,  # 'เ'
+        28: 2,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 3,  # '็'
+        6: 1,  # '่'
+        7: 2,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    39: {  # 'ผ'
+        5: 1,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 1,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 2,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 1,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 1,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 3,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 1,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    62: {  # 'ฝ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 1,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 2,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 2,  # '่'
+        7: 1,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    31: {  # 'พ'
+        5: 1,  # 'ก'
+        30: 1,  # 'ข'
+        24: 1,  # 'ค'
+        8: 1,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 1,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 0,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 2,  # 'ย'
+        2: 3,  # 'ร'
+        61: 2,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 1,  # 'ห'
+        4: 2,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 1,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 1,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 1,  # '็'
+        6: 0,  # '่'
+        7: 1,  # '้'
+        38: 3,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    54: {  # 'ฟ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 2,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 2,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 1,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 2,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    45: {  # 'ภ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 1,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    9: {  # 'ม'
+        5: 2,  # 'ก'
+        30: 2,  # 'ข'
+        24: 2,  # 'ค'
+        8: 2,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 1,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 3,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 1,  # 'ย'
+        2: 2,  # 'ร'
+        61: 2,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 2,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 1,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 3,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 3,  # 'ู'
+        11: 2,  # 'เ'
+        28: 2,  # 'แ'
+        41: 2,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 1,  # '็'
+        6: 3,  # '่'
+        7: 2,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    16: {  # 'ย'
+        5: 3,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 3,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 2,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 2,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 1,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 0,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 3,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 1,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 1,  # 'ึ'
+        27: 2,  # 'ื'
+        32: 2,  # 'ุ'
+        35: 3,  # 'ู'
+        11: 2,  # 'เ'
+        28: 1,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 2,  # 'ๆ'
+        37: 1,  # '็'
+        6: 3,  # '่'
+        7: 2,  # '้'
+        38: 3,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    2: {  # 'ร'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 2,  # 'ค'
+        8: 3,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 2,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 3,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 3,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 2,  # 'ต'
+        44: 3,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 2,  # 'น'
+        17: 2,  # 'บ'
+        25: 3,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 1,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 2,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 3,  # 'ว'
+        42: 2,  # 'ศ'
+        46: 2,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 3,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 3,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 2,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 3,  # 'ู'
+        11: 3,  # 'เ'
+        28: 3,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 3,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 3,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    61: {  # 'ฤ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 2,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 2,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    15: {  # 'ล'
+        5: 2,  # 'ก'
+        30: 3,  # 'ข'
+        24: 1,  # 'ค'
+        8: 3,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 3,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 1,  # 'ห'
+        4: 3,  # 'อ'
+        63: 2,  # 'ฯ'
+        22: 3,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 2,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 2,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 2,  # 'ุ'
+        35: 3,  # 'ู'
+        11: 2,  # 'เ'
+        28: 1,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 2,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    12: {  # 'ว'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 1,  # 'ค'
+        8: 3,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 1,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 1,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 1,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 3,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 2,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 2,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    42: {  # 'ศ'
+        5: 1,  # 'ก'
+        30: 0,  # 'ข'
+        24: 1,  # 'ค'
+        8: 0,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 1,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 2,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 2,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 2,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 3,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 2,  # 'ู'
+        11: 0,  # 'เ'
+        28: 1,  # 'แ'
+        41: 0,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    46: {  # 'ษ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 2,  # 'ฎ'
+        57: 1,  # 'ฏ'
+        49: 2,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 3,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 2,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 2,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 1,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    18: {  # 'ส'
+        5: 2,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 2,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 3,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 1,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 2,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 1,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 2,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 3,  # 'ำ'
+        23: 3,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 2,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 3,  # 'ู'
+        11: 2,  # 'เ'
+        28: 0,  # 'แ'
+        41: 1,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 1,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    21: {  # 'ห'
+        5: 3,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 1,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 2,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 3,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 0,  # 'บ'
+        25: 1,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 2,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 0,  # 'ำ'
+        23: 1,  # 'ิ'
+        13: 1,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 1,  # 'ุ'
+        35: 1,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 3,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    4: {  # 'อ'
+        5: 3,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 3,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 1,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 3,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 2,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 2,  # 'ะ'
+        10: 3,  # 'ั'
+        1: 3,  # 'า'
+        36: 2,  # 'ำ'
+        23: 2,  # 'ิ'
+        13: 3,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 3,  # 'ื'
+        32: 3,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 1,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 1,  # '็'
+        6: 2,  # '่'
+        7: 2,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    63: {  # 'ฯ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    22: {  # 'ะ'
+        5: 3,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 1,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 3,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 2,  # 'น'
+        17: 3,  # 'บ'
+        25: 2,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 2,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 3,  # 'ห'
+        4: 2,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    10: {  # 'ั'
+        5: 3,  # 'ก'
+        30: 0,  # 'ข'
+        24: 1,  # 'ค'
+        8: 3,  # 'ง'
+        26: 3,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 3,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 2,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 3,  # 'ฒ'
+        43: 3,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 1,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 3,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 3,  # 'ว'
+        42: 2,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    1: {  # 'า'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 3,  # 'ค'
+        8: 3,  # 'ง'
+        26: 3,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 3,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 2,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 3,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 2,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 2,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 1,  # 'ฝ'
+        31: 3,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 3,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 3,  # 'ว'
+        42: 2,  # 'ศ'
+        46: 3,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 3,  # 'ห'
+        4: 2,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 3,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    36: {  # 'ำ'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 3,  # 'ค'
+        8: 2,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 1,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 1,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 1,  # 'บ'
+        25: 1,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 0,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 3,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    23: {  # 'ิ'
+        5: 3,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 3,  # 'ง'
+        26: 3,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 3,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 2,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 3,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 2,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 3,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 2,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 2,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 3,  # 'ว'
+        42: 3,  # 'ศ'
+        46: 2,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 3,  # 'ห'
+        4: 1,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 1,  # 'แ'
+        41: 1,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 2,  # '้'
+        38: 2,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    13: {  # 'ี'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 2,  # 'ค'
+        8: 0,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 1,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 3,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 2,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 1,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 2,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    40: {  # 'ึ'
+        5: 3,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 3,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    27: {  # 'ื'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 3,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    32: {  # 'ุ'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 3,  # 'ค'
+        8: 3,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 2,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 1,  # 'ฒ'
+        43: 3,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 2,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 1,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 1,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 2,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 1,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 1,  # 'เ'
+        28: 0,  # 'แ'
+        41: 1,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 2,  # '้'
+        38: 1,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    35: {  # 'ู'
+        5: 3,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 2,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 2,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 1,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 2,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 2,  # 'น'
+        17: 0,  # 'บ'
+        25: 3,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 0,  # 'ย'
+        2: 1,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 1,  # 'เ'
+        28: 1,  # 'แ'
+        41: 1,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 3,  # '่'
+        7: 3,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    11: {  # 'เ'
+        5: 3,  # 'ก'
+        30: 3,  # 'ข'
+        24: 3,  # 'ค'
+        8: 2,  # 'ง'
+        26: 3,  # 'จ'
+        52: 3,  # 'ฉ'
+        34: 3,  # 'ช'
+        51: 2,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 1,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 3,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 3,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 1,  # 'ฝ'
+        31: 3,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 3,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 2,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 3,  # 'ว'
+        42: 2,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 3,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    28: {  # 'แ'
+        5: 3,  # 'ก'
+        30: 2,  # 'ข'
+        24: 2,  # 'ค'
+        8: 1,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 3,  # 'ต'
+        44: 2,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 2,  # 'ป'
+        39: 3,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 2,  # 'พ'
+        54: 2,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 2,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 3,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    41: {  # 'โ'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 0,  # 'ง'
+        26: 1,  # 'จ'
+        52: 1,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 2,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 1,  # 'บ'
+        25: 3,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 1,  # 'ภ'
+        9: 1,  # 'ม'
+        16: 2,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 3,  # 'ล'
+        12: 0,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 0,  # 'ห'
+        4: 2,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    29: {  # 'ใ'
+        5: 2,  # 'ก'
+        30: 0,  # 'ข'
+        24: 1,  # 'ค'
+        8: 0,  # 'ง'
+        26: 3,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 3,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 1,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 3,  # 'ส'
+        21: 3,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    33: {  # 'ไ'
+        5: 1,  # 'ก'
+        30: 2,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 3,  # 'ด'
+        19: 1,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 3,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 1,  # 'บ'
+        25: 3,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 2,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 0,  # 'ย'
+        2: 3,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 3,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 2,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    50: {  # 'ๆ'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    37: {  # '็'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 2,  # 'ง'
+        26: 3,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 1,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 2,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 3,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 1,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 2,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 0,  # 'ห'
+        4: 1,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 1,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    6: {  # '่'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 3,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 1,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 1,  # 'ธ'
+        3: 3,  # 'น'
+        17: 1,  # 'บ'
+        25: 2,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 1,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 3,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 2,  # 'ล'
+        12: 3,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 1,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 1,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 3,  # 'า'
+        36: 2,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 3,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 1,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    7: {  # '้'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 2,  # 'ค'
+        8: 3,  # 'ง'
+        26: 2,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 1,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 1,  # 'ด'
+        19: 2,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 2,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 3,  # 'น'
+        17: 2,  # 'บ'
+        25: 2,  # 'ป'
+        39: 2,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 3,  # 'ม'
+        16: 2,  # 'ย'
+        2: 2,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 3,  # 'ว'
+        42: 1,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 2,  # 'ส'
+        21: 2,  # 'ห'
+        4: 3,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 3,  # 'า'
+        36: 2,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 2,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 2,  # 'ใ'
+        33: 2,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    38: {  # '์'
+        5: 2,  # 'ก'
+        30: 1,  # 'ข'
+        24: 1,  # 'ค'
+        8: 0,  # 'ง'
+        26: 1,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 1,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 2,  # 'ด'
+        19: 1,  # 'ต'
+        44: 1,  # 'ถ'
+        14: 1,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 1,  # 'น'
+        17: 1,  # 'บ'
+        25: 1,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 1,  # 'พ'
+        54: 1,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 2,  # 'ม'
+        16: 0,  # 'ย'
+        2: 1,  # 'ร'
+        61: 1,  # 'ฤ'
+        15: 1,  # 'ล'
+        12: 1,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 1,  # 'ส'
+        21: 1,  # 'ห'
+        4: 2,  # 'อ'
+        63: 1,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 2,  # 'เ'
+        28: 2,  # 'แ'
+        41: 1,  # 'โ'
+        29: 1,  # 'ใ'
+        33: 1,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 0,  # '๑'
+        59: 0,  # '๒'
+        60: 0,  # '๕'
+    },
+    56: {  # '๑'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 2,  # '๑'
+        59: 1,  # '๒'
+        60: 1,  # '๕'
+    },
+    59: {  # '๒'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 1,  # '๑'
+        59: 1,  # '๒'
+        60: 3,  # '๕'
+    },
+    60: {  # '๕'
+        5: 0,  # 'ก'
+        30: 0,  # 'ข'
+        24: 0,  # 'ค'
+        8: 0,  # 'ง'
+        26: 0,  # 'จ'
+        52: 0,  # 'ฉ'
+        34: 0,  # 'ช'
+        51: 0,  # 'ซ'
+        47: 0,  # 'ญ'
+        58: 0,  # 'ฎ'
+        57: 0,  # 'ฏ'
+        49: 0,  # 'ฐ'
+        53: 0,  # 'ฑ'
+        55: 0,  # 'ฒ'
+        43: 0,  # 'ณ'
+        20: 0,  # 'ด'
+        19: 0,  # 'ต'
+        44: 0,  # 'ถ'
+        14: 0,  # 'ท'
+        48: 0,  # 'ธ'
+        3: 0,  # 'น'
+        17: 0,  # 'บ'
+        25: 0,  # 'ป'
+        39: 0,  # 'ผ'
+        62: 0,  # 'ฝ'
+        31: 0,  # 'พ'
+        54: 0,  # 'ฟ'
+        45: 0,  # 'ภ'
+        9: 0,  # 'ม'
+        16: 0,  # 'ย'
+        2: 0,  # 'ร'
+        61: 0,  # 'ฤ'
+        15: 0,  # 'ล'
+        12: 0,  # 'ว'
+        42: 0,  # 'ศ'
+        46: 0,  # 'ษ'
+        18: 0,  # 'ส'
+        21: 0,  # 'ห'
+        4: 0,  # 'อ'
+        63: 0,  # 'ฯ'
+        22: 0,  # 'ะ'
+        10: 0,  # 'ั'
+        1: 0,  # 'า'
+        36: 0,  # 'ำ'
+        23: 0,  # 'ิ'
+        13: 0,  # 'ี'
+        40: 0,  # 'ึ'
+        27: 0,  # 'ื'
+        32: 0,  # 'ุ'
+        35: 0,  # 'ู'
+        11: 0,  # 'เ'
+        28: 0,  # 'แ'
+        41: 0,  # 'โ'
+        29: 0,  # 'ใ'
+        33: 0,  # 'ไ'
+        50: 0,  # 'ๆ'
+        37: 0,  # '็'
+        6: 0,  # '่'
+        7: 0,  # '้'
+        38: 0,  # '์'
+        56: 2,  # '๑'
+        59: 1,  # '๒'
+        60: 0,  # '๕'
+    },
+}
+
+# 255: Undefined characters that did not exist in training text
+# 254: Carriage/Return
+# 253: symbol (punctuation) that does not belong to word
+# 252: 0 - 9
+# 251: Control characters
+
+# Character Mapping Table(s):
+TIS_620_THAI_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 254,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 254,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 253,  # ' '
+    33: 253,  # '!'
+    34: 253,  # '"'
+    35: 253,  # '#'
+    36: 253,  # '$'
+    37: 253,  # '%'
+    38: 253,  # '&'
+    39: 253,  # "'"
+    40: 253,  # '('
+    41: 253,  # ')'
+    42: 253,  # '*'
+    43: 253,  # '+'
+    44: 253,  # ','
+    45: 253,  # '-'
+    46: 253,  # '.'
+    47: 253,  # '/'
+    48: 252,  # '0'
+    49: 252,  # '1'
+    50: 252,  # '2'
+    51: 252,  # '3'
+    52: 252,  # '4'
+    53: 252,  # '5'
+    54: 252,  # '6'
+    55: 252,  # '7'
+    56: 252,  # '8'
+    57: 252,  # '9'
+    58: 253,  # ':'
+    59: 253,  # ';'
+    60: 253,  # '<'
+    61: 253,  # '='
+    62: 253,  # '>'
+    63: 253,  # '?'
+    64: 253,  # '@'
+    65: 182,  # 'A'
+    66: 106,  # 'B'
+    67: 107,  # 'C'
+    68: 100,  # 'D'
+    69: 183,  # 'E'
+    70: 184,  # 'F'
+    71: 185,  # 'G'
+    72: 101,  # 'H'
+    73: 94,  # 'I'
+    74: 186,  # 'J'
+    75: 187,  # 'K'
+    76: 108,  # 'L'
+    77: 109,  # 'M'
+    78: 110,  # 'N'
+    79: 111,  # 'O'
+    80: 188,  # 'P'
+    81: 189,  # 'Q'
+    82: 190,  # 'R'
+    83: 89,  # 'S'
+    84: 95,  # 'T'
+    85: 112,  # 'U'
+    86: 113,  # 'V'
+    87: 191,  # 'W'
+    88: 192,  # 'X'
+    89: 193,  # 'Y'
+    90: 194,  # 'Z'
+    91: 253,  # '['
+    92: 253,  # '\\'
+    93: 253,  # ']'
+    94: 253,  # '^'
+    95: 253,  # '_'
+    96: 253,  # '`'
+    97: 64,  # 'a'
+    98: 72,  # 'b'
+    99: 73,  # 'c'
+    100: 114,  # 'd'
+    101: 74,  # 'e'
+    102: 115,  # 'f'
+    103: 116,  # 'g'
+    104: 102,  # 'h'
+    105: 81,  # 'i'
+    106: 201,  # 'j'
+    107: 117,  # 'k'
+    108: 90,  # 'l'
+    109: 103,  # 'm'
+    110: 78,  # 'n'
+    111: 82,  # 'o'
+    112: 96,  # 'p'
+    113: 202,  # 'q'
+    114: 91,  # 'r'
+    115: 79,  # 's'
+    116: 84,  # 't'
+    117: 104,  # 'u'
+    118: 105,  # 'v'
+    119: 97,  # 'w'
+    120: 98,  # 'x'
+    121: 92,  # 'y'
+    122: 203,  # 'z'
+    123: 253,  # '{'
+    124: 253,  # '|'
+    125: 253,  # '}'
+    126: 253,  # '~'
+    127: 253,  # '\x7f'
+    128: 209,  # '\x80'
+    129: 210,  # '\x81'
+    130: 211,  # '\x82'
+    131: 212,  # '\x83'
+    132: 213,  # '\x84'
+    133: 88,  # '\x85'
+    134: 214,  # '\x86'
+    135: 215,  # '\x87'
+    136: 216,  # '\x88'
+    137: 217,  # '\x89'
+    138: 218,  # '\x8a'
+    139: 219,  # '\x8b'
+    140: 220,  # '\x8c'
+    141: 118,  # '\x8d'
+    142: 221,  # '\x8e'
+    143: 222,  # '\x8f'
+    144: 223,  # '\x90'
+    145: 224,  # '\x91'
+    146: 99,  # '\x92'
+    147: 85,  # '\x93'
+    148: 83,  # '\x94'
+    149: 225,  # '\x95'
+    150: 226,  # '\x96'
+    151: 227,  # '\x97'
+    152: 228,  # '\x98'
+    153: 229,  # '\x99'
+    154: 230,  # '\x9a'
+    155: 231,  # '\x9b'
+    156: 232,  # '\x9c'
+    157: 233,  # '\x9d'
+    158: 234,  # '\x9e'
+    159: 235,  # '\x9f'
+    160: 236,  # None
+    161: 5,  # 'ก'
+    162: 30,  # 'ข'
+    163: 237,  # 'ฃ'
+    164: 24,  # 'ค'
+    165: 238,  # 'ฅ'
+    166: 75,  # 'ฆ'
+    167: 8,  # 'ง'
+    168: 26,  # 'จ'
+    169: 52,  # 'ฉ'
+    170: 34,  # 'ช'
+    171: 51,  # 'ซ'
+    172: 119,  # 'ฌ'
+    173: 47,  # 'ญ'
+    174: 58,  # 'ฎ'
+    175: 57,  # 'ฏ'
+    176: 49,  # 'ฐ'
+    177: 53,  # 'ฑ'
+    178: 55,  # 'ฒ'
+    179: 43,  # 'ณ'
+    180: 20,  # 'ด'
+    181: 19,  # 'ต'
+    182: 44,  # 'ถ'
+    183: 14,  # 'ท'
+    184: 48,  # 'ธ'
+    185: 3,  # 'น'
+    186: 17,  # 'บ'
+    187: 25,  # 'ป'
+    188: 39,  # 'ผ'
+    189: 62,  # 'ฝ'
+    190: 31,  # 'พ'
+    191: 54,  # 'ฟ'
+    192: 45,  # 'ภ'
+    193: 9,  # 'ม'
+    194: 16,  # 'ย'
+    195: 2,  # 'ร'
+    196: 61,  # 'ฤ'
+    197: 15,  # 'ล'
+    198: 239,  # 'ฦ'
+    199: 12,  # 'ว'
+    200: 42,  # 'ศ'
+    201: 46,  # 'ษ'
+    202: 18,  # 'ส'
+    203: 21,  # 'ห'
+    204: 76,  # 'ฬ'
+    205: 4,  # 'อ'
+    206: 66,  # 'ฮ'
+    207: 63,  # 'ฯ'
+    208: 22,  # 'ะ'
+    209: 10,  # 'ั'
+    210: 1,  # 'า'
+    211: 36,  # 'ำ'
+    212: 23,  # 'ิ'
+    213: 13,  # 'ี'
+    214: 40,  # 'ึ'
+    215: 27,  # 'ื'
+    216: 32,  # 'ุ'
+    217: 35,  # 'ู'
+    218: 86,  # 'ฺ'
+    219: 240,  # None
+    220: 241,  # None
+    221: 242,  # None
+    222: 243,  # None
+    223: 244,  # '฿'
+    224: 11,  # 'เ'
+    225: 28,  # 'แ'
+    226: 41,  # 'โ'
+    227: 29,  # 'ใ'
+    228: 33,  # 'ไ'
+    229: 245,  # 'ๅ'
+    230: 50,  # 'ๆ'
+    231: 37,  # '็'
+    232: 6,  # '่'
+    233: 7,  # '้'
+    234: 67,  # '๊'
+    235: 77,  # '๋'
+    236: 38,  # '์'
+    237: 93,  # 'ํ'
+    238: 246,  # '๎'
+    239: 247,  # '๏'
+    240: 68,  # '๐'
+    241: 56,  # '๑'
+    242: 59,  # '๒'
+    243: 65,  # '๓'
+    244: 69,  # '๔'
+    245: 60,  # '๕'
+    246: 70,  # '๖'
+    247: 80,  # '๗'
+    248: 71,  # '๘'
+    249: 87,  # '๙'
+    250: 248,  # '๚'
+    251: 249,  # '๛'
+    252: 250,  # None
+    253: 251,  # None
+    254: 252,  # None
+    255: 253,  # None
+}
+
+TIS_620_THAI_MODEL = SingleByteCharSetModel(
+    charset_name="TIS-620",
+    language="Thai",
+    char_to_order_map=TIS_620_THAI_CHAR_TO_ORDER,
+    language_model=THAI_LANG_MODEL,
+    typical_positive_ratio=0.926386,
+    keep_ascii_letters=False,
+    alphabet="กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛",
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langturkishmodel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langturkishmodel.py
new file mode 100644
index 00000000..291857c2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/langturkishmodel.py
@@ -0,0 +1,4380 @@
+from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel
+
+# 3: Positive
+# 2: Likely
+# 1: Unlikely
+# 0: Negative
+
+TURKISH_LANG_MODEL = {
+    23: {  # 'A'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 1,  # 'h'
+        3: 1,  # 'i'
+        24: 0,  # 'j'
+        10: 2,  # 'k'
+        5: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 1,  # 'r'
+        8: 1,  # 's'
+        9: 1,  # 't'
+        14: 1,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 0,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    37: {  # 'B'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 2,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 1,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 1,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 0,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    47: {  # 'C'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 1,  # 'L'
+        20: 0,  # 'M'
+        46: 1,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 1,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 2,  # 'j'
+        10: 1,  # 'k'
+        5: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 2,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
+        7: 2,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    39: {  # 'D'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 1,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 1,  # 'l'
+        13: 3,  # 'm'
+        4: 0,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
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+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 1,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 1,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    29: {  # 'E'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 1,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 0,  # 'h'
+        3: 1,  # 'i'
+        24: 1,  # 'j'
+        10: 0,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 1,  # 's'
+        9: 1,  # 't'
+        14: 1,  # 'u'
+        32: 1,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    52: {  # 'F'
+        23: 0,  # 'A'
+        37: 1,  # 'B'
+        47: 1,  # 'C'
+        39: 1,  # 'D'
+        29: 1,  # 'E'
+        52: 2,  # 'F'
+        36: 0,  # 'G'
+        45: 2,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 1,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 1,  # 'b'
+        28: 1,  # 'c'
+        12: 1,  # 'd'
+        2: 0,  # 'e'
+        18: 1,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 2,  # 'i'
+        24: 1,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 2,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
+        7: 2,  # 'r'
+        8: 1,  # 's'
+        9: 1,  # 't'
+        14: 1,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 1,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 2,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 2,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 2,  # 'ş'
+    },
+    36: {  # 'G'
+        23: 1,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 2,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 2,  # 'N'
+        42: 1,  # 'O'
+        48: 1,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 1,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 1,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 0,  # 'r'
+        8: 1,  # 's'
+        9: 1,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 1,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 2,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    45: {  # 'H'
+        23: 0,  # 'A'
+        37: 1,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 2,  # 'G'
+        45: 1,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 1,  # 'L'
+        20: 0,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 2,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 2,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        15: 1,  # 'o'
+        26: 1,  # 'p'
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+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 2,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 0,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    53: {  # 'I'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
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+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 0,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    60: {  # 'J'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 1,  # 'd'
+        2: 0,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 1,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 1,  # 's'
+        9: 0,  # 't'
+        14: 0,  # 'u'
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+        57: 0,  # 'w'
+        58: 0,  # 'x'
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+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 0,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    16: {  # 'K'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 3,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 1,  # 'e'
+        18: 3,  # 'f'
+        27: 3,  # 'g'
+        25: 3,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 3,  # 'r'
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+        9: 3,  # 't'
+        14: 0,  # 'u'
+        32: 3,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 2,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    49: {  # 'L'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 2,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 2,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 0,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 2,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 2,  # 'n'
+        15: 1,  # 'o'
+        26: 1,  # 'p'
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+        9: 1,  # 't'
+        14: 0,  # 'u'
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+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 2,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 1,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    20: {  # 'M'
+        23: 1,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 1,  # 'h'
+        3: 2,  # 'i'
+        24: 2,  # 'j'
+        10: 2,  # 'k'
+        5: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 3,  # 'r'
+        8: 0,  # 's'
+        9: 2,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
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+        22: 0,  # 'z'
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+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 3,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    46: {  # 'N'
+        23: 0,  # 'A'
+        37: 1,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 1,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 2,  # 'j'
+        10: 1,  # 'k'
+        5: 1,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 1,  # 'o'
+        26: 1,  # 'p'
+        7: 1,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 1,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 2,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    42: {  # 'O'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 0,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 1,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 0,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 2,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 2,  # 'İ'
+        6: 1,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    48: {  # 'P'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 2,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 1,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        15: 2,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 2,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 2,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 0,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    44: {  # 'R'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 1,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 1,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 1,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    35: {  # 'S'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 1,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 1,  # 'l'
+        13: 2,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 1,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 2,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 3,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    31: {  # 'T'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 0,  # 'c'
+        12: 1,  # 'd'
+        2: 3,  # 'e'
+        18: 2,  # 'f'
+        27: 2,  # 'g'
+        25: 0,  # 'h'
+        3: 1,  # 'i'
+        24: 1,  # 'j'
+        10: 2,  # 'k'
+        5: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 2,  # 'p'
+        7: 2,  # 'r'
+        8: 0,  # 's'
+        9: 2,  # 't'
+        14: 2,  # 'u'
+        32: 1,  # 'v'
+        57: 1,  # 'w'
+        58: 1,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    51: {  # 'U'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 1,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 1,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 1,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 1,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 2,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 1,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    38: {  # 'V'
+        23: 1,  # 'A'
+        37: 1,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 1,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 2,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        15: 2,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 1,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 1,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 1,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 3,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    62: {  # 'W'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 0,  # 'd'
+        2: 0,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 0,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 0,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 0,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    43: {  # 'Y'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 0,  # 'G'
+        45: 1,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 2,  # 'N'
+        42: 0,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 1,  # 'j'
+        10: 1,  # 'k'
+        5: 1,  # 'l'
+        13: 3,  # 'm'
+        4: 0,  # 'n'
+        15: 2,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 1,  # 'Ü'
+        59: 1,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 0,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    56: {  # 'Z'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 2,  # 'Z'
+        1: 2,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 2,  # 'i'
+        24: 1,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 1,  # 'r'
+        8: 1,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 1,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    1: {  # 'a'
+        23: 3,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 3,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 1,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 3,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 2,  # 'Z'
+        1: 2,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 2,  # 'e'
+        18: 3,  # 'f'
+        27: 3,  # 'g'
+        25: 3,  # 'h'
+        3: 3,  # 'i'
+        24: 3,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 3,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 3,  # 'v'
+        57: 2,  # 'w'
+        58: 0,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 1,  # 'î'
+        34: 1,  # 'ö'
+        17: 3,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    21: {  # 'b'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 3,  # 'g'
+        25: 1,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 3,  # 'p'
+        7: 1,  # 'r'
+        8: 2,  # 's'
+        9: 2,  # 't'
+        14: 2,  # 'u'
+        32: 1,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    28: {  # 'c'
+        23: 0,  # 'A'
+        37: 1,  # 'B'
+        47: 1,  # 'C'
+        39: 1,  # 'D'
+        29: 2,  # 'E'
+        52: 0,  # 'F'
+        36: 2,  # 'G'
+        45: 2,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 2,  # 'T'
+        51: 2,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 3,  # 'Y'
+        56: 0,  # 'Z'
+        1: 1,  # 'a'
+        21: 1,  # 'b'
+        28: 2,  # 'c'
+        12: 2,  # 'd'
+        2: 1,  # 'e'
+        18: 1,  # 'f'
+        27: 2,  # 'g'
+        25: 2,  # 'h'
+        3: 3,  # 'i'
+        24: 1,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        15: 2,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 1,  # 'u'
+        32: 0,  # 'v'
+        57: 1,  # 'w'
+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 1,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 1,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 1,  # 'î'
+        34: 2,  # 'ö'
+        17: 2,  # 'ü'
+        30: 2,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 2,  # 'ş'
+    },
+    12: {  # 'd'
+        23: 1,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 2,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 1,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 1,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 1,  # 'f'
+        27: 3,  # 'g'
+        25: 3,  # 'h'
+        3: 2,  # 'i'
+        24: 3,  # 'j'
+        10: 2,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 2,  # 's'
+        9: 2,  # 't'
+        14: 3,  # 'u'
+        32: 1,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 3,  # 'y'
+        22: 1,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    2: {  # 'e'
+        23: 2,  # 'A'
+        37: 0,  # 'B'
+        47: 2,  # 'C'
+        39: 0,  # 'D'
+        29: 3,  # 'E'
+        52: 1,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 1,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 1,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 1,  # 'R'
+        35: 0,  # 'S'
+        31: 3,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 2,  # 'e'
+        18: 3,  # 'f'
+        27: 3,  # 'g'
+        25: 3,  # 'h'
+        3: 3,  # 'i'
+        24: 3,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 3,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 3,  # 'v'
+        57: 2,  # 'w'
+        58: 0,  # 'x'
+        11: 3,  # 'y'
+        22: 1,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 3,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    18: {  # 'f'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 2,  # 'f'
+        27: 1,  # 'g'
+        25: 1,  # 'h'
+        3: 1,  # 'i'
+        24: 1,  # 'j'
+        10: 1,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 2,  # 'p'
+        7: 1,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 1,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 1,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 1,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    27: {  # 'g'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
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+        20: 0,  # 'M'
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+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 1,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 1,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 2,  # 'g'
+        25: 1,  # 'h'
+        3: 2,  # 'i'
+        24: 3,  # 'j'
+        10: 2,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 2,  # 'r'
+        8: 2,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 1,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
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+        22: 0,  # 'z'
+        63: 1,  # '·'
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+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    25: {  # 'h'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 2,  # 'h'
+        3: 2,  # 'i'
+        24: 3,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 1,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 2,  # 't'
+        14: 3,  # 'u'
+        32: 2,  # 'v'
+        57: 1,  # 'w'
+        58: 0,  # 'x'
+        11: 1,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    3: {  # 'i'
+        23: 2,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 0,  # 'N'
+        42: 1,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 1,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 2,  # 'f'
+        27: 3,  # 'g'
+        25: 1,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 3,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 2,  # 'v'
+        57: 1,  # 'w'
+        58: 1,  # 'x'
+        11: 3,  # 'y'
+        22: 1,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 1,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 3,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    24: {  # 'j'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 2,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 1,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 2,  # 'f'
+        27: 1,  # 'g'
+        25: 1,  # 'h'
+        3: 2,  # 'i'
+        24: 1,  # 'j'
+        10: 2,  # 'k'
+        5: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 2,  # 'r'
+        8: 3,  # 's'
+        9: 2,  # 't'
+        14: 3,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 2,  # 'x'
+        11: 1,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    10: {  # 'k'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 3,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 3,  # 'e'
+        18: 1,  # 'f'
+        27: 2,  # 'g'
+        25: 2,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 2,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 3,  # 'p'
+        7: 2,  # 'r'
+        8: 2,  # 's'
+        9: 2,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 3,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 3,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    5: {  # 'l'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 3,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 1,  # 'e'
+        18: 3,  # 'f'
+        27: 3,  # 'g'
+        25: 2,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 2,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 2,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    13: {  # 'm'
+        23: 1,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 3,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 3,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 2,  # 'e'
+        18: 3,  # 'f'
+        27: 3,  # 'g'
+        25: 3,  # 'h'
+        3: 3,  # 'i'
+        24: 3,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 2,  # 'u'
+        32: 2,  # 'v'
+        57: 1,  # 'w'
+        58: 0,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 3,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    4: {  # 'n'
+        23: 1,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 2,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 1,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 1,  # 'f'
+        27: 2,  # 'g'
+        25: 3,  # 'h'
+        3: 2,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 3,  # 'p'
+        7: 2,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 2,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 2,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 1,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    15: {  # 'o'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 2,  # 'L'
+        20: 0,  # 'M'
+        46: 2,  # 'N'
+        42: 1,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 1,  # 'i'
+        24: 2,  # 'j'
+        10: 1,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 2,  # 'o'
+        26: 0,  # 'p'
+        7: 1,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 2,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 3,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 2,  # 'ğ'
+        41: 2,  # 'İ'
+        6: 3,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 2,  # 'ş'
+    },
+    26: {  # 'p'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 1,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 1,  # 'h'
+        3: 2,  # 'i'
+        24: 3,  # 'j'
+        10: 1,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 0,  # 'o'
+        26: 2,  # 'p'
+        7: 2,  # 'r'
+        8: 1,  # 's'
+        9: 1,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 1,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 3,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    7: {  # 'r'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 1,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 2,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 1,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 2,  # 'g'
+        25: 3,  # 'h'
+        3: 2,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 3,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    8: {  # 's'
+        23: 1,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 1,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 2,  # 'g'
+        25: 2,  # 'h'
+        3: 2,  # 'i'
+        24: 3,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 3,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 2,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 2,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    9: {  # 't'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 2,  # 'f'
+        27: 2,  # 'g'
+        25: 2,  # 'h'
+        3: 2,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 3,  # 'v'
+        57: 0,  # 'w'
+        58: 2,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 3,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 2,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    14: {  # 'u'
+        23: 3,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 3,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 2,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 3,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 2,  # 'Z'
+        1: 2,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 2,  # 'e'
+        18: 2,  # 'f'
+        27: 3,  # 'g'
+        25: 3,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 3,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 2,  # 'v'
+        57: 2,  # 'w'
+        58: 0,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 3,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    32: {  # 'v'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 1,  # 'j'
+        10: 1,  # 'k'
+        5: 3,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 1,  # 'r'
+        8: 2,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 1,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 1,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    57: {  # 'w'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 1,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 1,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 1,  # 's'
+        9: 0,  # 't'
+        14: 1,  # 'u'
+        32: 0,  # 'v'
+        57: 2,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 0,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 0,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    58: {  # 'x'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 1,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 1,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 2,  # 'i'
+        24: 2,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 2,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 1,  # 'r'
+        8: 2,  # 's'
+        9: 1,  # 't'
+        14: 0,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    11: {  # 'y'
+        23: 1,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 2,  # 'g'
+        25: 2,  # 'h'
+        3: 2,  # 'i'
+        24: 1,  # 'j'
+        10: 2,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 2,  # 'r'
+        8: 1,  # 's'
+        9: 2,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 1,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 3,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 2,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    22: {  # 'z'
+        23: 2,  # 'A'
+        37: 2,  # 'B'
+        47: 1,  # 'C'
+        39: 2,  # 'D'
+        29: 3,  # 'E'
+        52: 1,  # 'F'
+        36: 2,  # 'G'
+        45: 2,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 2,  # 'N'
+        42: 2,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 3,  # 'T'
+        51: 2,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 1,  # 'Z'
+        1: 1,  # 'a'
+        21: 2,  # 'b'
+        28: 1,  # 'c'
+        12: 2,  # 'd'
+        2: 2,  # 'e'
+        18: 3,  # 'f'
+        27: 2,  # 'g'
+        25: 2,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        15: 2,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 0,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 3,  # 'y'
+        22: 2,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 2,  # 'Ü'
+        59: 1,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 2,  # 'ö'
+        17: 2,  # 'ü'
+        30: 2,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 3,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 2,  # 'ş'
+    },
+    63: {  # '·'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 0,  # 'd'
+        2: 1,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 0,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    54: {  # 'Ç'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 1,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 1,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 1,  # 'b'
+        28: 0,  # 'c'
+        12: 1,  # 'd'
+        2: 0,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 0,  # 'h'
+        3: 3,  # 'i'
+        24: 0,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 2,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
+        7: 2,  # 'r'
+        8: 0,  # 's'
+        9: 1,  # 't'
+        14: 0,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 2,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    50: {  # 'Ö'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 1,  # 'D'
+        29: 2,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 2,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 1,  # 'N'
+        42: 2,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 2,  # 'b'
+        28: 1,  # 'c'
+        12: 2,  # 'd'
+        2: 0,  # 'e'
+        18: 1,  # 'f'
+        27: 1,  # 'g'
+        25: 1,  # 'h'
+        3: 2,  # 'i'
+        24: 0,  # 'j'
+        10: 2,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 3,  # 'n'
+        15: 2,  # 'o'
+        26: 2,  # 'p'
+        7: 3,  # 'r'
+        8: 1,  # 's'
+        9: 2,  # 't'
+        14: 0,  # 'u'
+        32: 1,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 2,  # 'ö'
+        17: 2,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    55: {  # 'Ü'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 1,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 1,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 1,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 1,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 1,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 1,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 0,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    59: {  # 'â'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 1,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 2,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 0,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 2,  # 'm'
+        4: 0,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 2,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 1,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    33: {  # 'ç'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 3,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 0,  # 'Z'
+        1: 0,  # 'a'
+        21: 3,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 0,  # 'e'
+        18: 2,  # 'f'
+        27: 1,  # 'g'
+        25: 3,  # 'h'
+        3: 3,  # 'i'
+        24: 0,  # 'j'
+        10: 3,  # 'k'
+        5: 0,  # 'l'
+        13: 0,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 3,  # 'r'
+        8: 2,  # 's'
+        9: 3,  # 't'
+        14: 0,  # 'u'
+        32: 2,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 1,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    61: {  # 'î'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 0,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 0,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 2,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 1,  # 'j'
+        10: 0,  # 'k'
+        5: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 1,  # 'n'
+        15: 0,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 1,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 1,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 1,  # 'î'
+        34: 0,  # 'ö'
+        17: 0,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 1,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    34: {  # 'ö'
+        23: 0,  # 'A'
+        37: 1,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 1,  # 'G'
+        45: 1,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 1,  # 'L'
+        20: 0,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 2,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 1,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 2,  # 'c'
+        12: 1,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 2,  # 'g'
+        25: 2,  # 'h'
+        3: 1,  # 'i'
+        24: 2,  # 'j'
+        10: 1,  # 'k'
+        5: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 2,  # 'n'
+        15: 2,  # 'o'
+        26: 0,  # 'p'
+        7: 0,  # 'r'
+        8: 3,  # 's'
+        9: 1,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 1,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 2,  # 'ö'
+        17: 0,  # 'ü'
+        30: 2,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 1,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    17: {  # 'ü'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 0,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 1,  # 'J'
+        16: 1,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 0,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 0,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 0,  # 'c'
+        12: 1,  # 'd'
+        2: 3,  # 'e'
+        18: 1,  # 'f'
+        27: 2,  # 'g'
+        25: 0,  # 'h'
+        3: 1,  # 'i'
+        24: 1,  # 'j'
+        10: 2,  # 'k'
+        5: 3,  # 'l'
+        13: 2,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 2,  # 'p'
+        7: 2,  # 'r'
+        8: 3,  # 's'
+        9: 2,  # 't'
+        14: 3,  # 'u'
+        32: 1,  # 'v'
+        57: 1,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 2,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    30: {  # 'ğ'
+        23: 0,  # 'A'
+        37: 2,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 1,  # 'G'
+        45: 0,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 1,  # 'M'
+        46: 2,  # 'N'
+        42: 2,  # 'O'
+        48: 1,  # 'P'
+        44: 1,  # 'R'
+        35: 0,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 2,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 0,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 2,  # 'e'
+        18: 0,  # 'f'
+        27: 0,  # 'g'
+        25: 0,  # 'h'
+        3: 0,  # 'i'
+        24: 3,  # 'j'
+        10: 1,  # 'k'
+        5: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 0,  # 'n'
+        15: 1,  # 'o'
+        26: 0,  # 'p'
+        7: 1,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 2,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 0,  # 'î'
+        34: 2,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 2,  # 'İ'
+        6: 2,  # 'ı'
+        40: 2,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    41: {  # 'İ'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 1,  # 'D'
+        29: 1,  # 'E'
+        52: 0,  # 'F'
+        36: 2,  # 'G'
+        45: 2,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 2,  # 'P'
+        44: 0,  # 'R'
+        35: 1,  # 'S'
+        31: 1,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 0,  # 'Z'
+        1: 1,  # 'a'
+        21: 2,  # 'b'
+        28: 1,  # 'c'
+        12: 2,  # 'd'
+        2: 1,  # 'e'
+        18: 0,  # 'f'
+        27: 3,  # 'g'
+        25: 2,  # 'h'
+        3: 2,  # 'i'
+        24: 2,  # 'j'
+        10: 2,  # 'k'
+        5: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 3,  # 'n'
+        15: 1,  # 'o'
+        26: 1,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 2,  # 't'
+        14: 0,  # 'u'
+        32: 0,  # 'v'
+        57: 1,  # 'w'
+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 1,  # 'Ü'
+        59: 1,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 1,  # 'ö'
+        17: 1,  # 'ü'
+        30: 2,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+    6: {  # 'ı'
+        23: 2,  # 'A'
+        37: 0,  # 'B'
+        47: 0,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 2,  # 'J'
+        16: 3,  # 'K'
+        49: 0,  # 'L'
+        20: 3,  # 'M'
+        46: 1,  # 'N'
+        42: 0,  # 'O'
+        48: 0,  # 'P'
+        44: 0,  # 'R'
+        35: 0,  # 'S'
+        31: 2,  # 'T'
+        51: 0,  # 'U'
+        38: 0,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 1,  # 'Z'
+        1: 3,  # 'a'
+        21: 2,  # 'b'
+        28: 1,  # 'c'
+        12: 3,  # 'd'
+        2: 3,  # 'e'
+        18: 3,  # 'f'
+        27: 3,  # 'g'
+        25: 2,  # 'h'
+        3: 3,  # 'i'
+        24: 3,  # 'j'
+        10: 3,  # 'k'
+        5: 3,  # 'l'
+        13: 3,  # 'm'
+        4: 3,  # 'n'
+        15: 0,  # 'o'
+        26: 3,  # 'p'
+        7: 3,  # 'r'
+        8: 3,  # 's'
+        9: 3,  # 't'
+        14: 3,  # 'u'
+        32: 3,  # 'v'
+        57: 1,  # 'w'
+        58: 1,  # 'x'
+        11: 3,  # 'y'
+        22: 0,  # 'z'
+        63: 1,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 2,  # 'ç'
+        61: 0,  # 'î'
+        34: 0,  # 'ö'
+        17: 3,  # 'ü'
+        30: 0,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 3,  # 'ı'
+        40: 0,  # 'Ş'
+        19: 0,  # 'ş'
+    },
+    40: {  # 'Ş'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 1,  # 'D'
+        29: 1,  # 'E'
+        52: 0,  # 'F'
+        36: 1,  # 'G'
+        45: 2,  # 'H'
+        53: 1,  # 'I'
+        60: 0,  # 'J'
+        16: 0,  # 'K'
+        49: 0,  # 'L'
+        20: 2,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 2,  # 'P'
+        44: 2,  # 'R'
+        35: 1,  # 'S'
+        31: 1,  # 'T'
+        51: 0,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 2,  # 'Y'
+        56: 1,  # 'Z'
+        1: 0,  # 'a'
+        21: 2,  # 'b'
+        28: 0,  # 'c'
+        12: 2,  # 'd'
+        2: 0,  # 'e'
+        18: 3,  # 'f'
+        27: 0,  # 'g'
+        25: 2,  # 'h'
+        3: 3,  # 'i'
+        24: 2,  # 'j'
+        10: 1,  # 'k'
+        5: 0,  # 'l'
+        13: 1,  # 'm'
+        4: 3,  # 'n'
+        15: 2,  # 'o'
+        26: 0,  # 'p'
+        7: 3,  # 'r'
+        8: 2,  # 's'
+        9: 2,  # 't'
+        14: 1,  # 'u'
+        32: 3,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 2,  # 'y'
+        22: 0,  # 'z'
+        63: 0,  # '·'
+        54: 0,  # 'Ç'
+        50: 0,  # 'Ö'
+        55: 1,  # 'Ü'
+        59: 0,  # 'â'
+        33: 0,  # 'ç'
+        61: 0,  # 'î'
+        34: 2,  # 'ö'
+        17: 1,  # 'ü'
+        30: 2,  # 'ğ'
+        41: 0,  # 'İ'
+        6: 2,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 2,  # 'ş'
+    },
+    19: {  # 'ş'
+        23: 0,  # 'A'
+        37: 0,  # 'B'
+        47: 1,  # 'C'
+        39: 0,  # 'D'
+        29: 0,  # 'E'
+        52: 2,  # 'F'
+        36: 1,  # 'G'
+        45: 0,  # 'H'
+        53: 0,  # 'I'
+        60: 0,  # 'J'
+        16: 3,  # 'K'
+        49: 2,  # 'L'
+        20: 0,  # 'M'
+        46: 1,  # 'N'
+        42: 1,  # 'O'
+        48: 1,  # 'P'
+        44: 1,  # 'R'
+        35: 1,  # 'S'
+        31: 0,  # 'T'
+        51: 1,  # 'U'
+        38: 1,  # 'V'
+        62: 0,  # 'W'
+        43: 1,  # 'Y'
+        56: 0,  # 'Z'
+        1: 3,  # 'a'
+        21: 1,  # 'b'
+        28: 2,  # 'c'
+        12: 0,  # 'd'
+        2: 3,  # 'e'
+        18: 0,  # 'f'
+        27: 2,  # 'g'
+        25: 1,  # 'h'
+        3: 1,  # 'i'
+        24: 0,  # 'j'
+        10: 2,  # 'k'
+        5: 2,  # 'l'
+        13: 3,  # 'm'
+        4: 0,  # 'n'
+        15: 0,  # 'o'
+        26: 1,  # 'p'
+        7: 3,  # 'r'
+        8: 0,  # 's'
+        9: 0,  # 't'
+        14: 3,  # 'u'
+        32: 0,  # 'v'
+        57: 0,  # 'w'
+        58: 0,  # 'x'
+        11: 0,  # 'y'
+        22: 2,  # 'z'
+        63: 0,  # '·'
+        54: 1,  # 'Ç'
+        50: 2,  # 'Ö'
+        55: 0,  # 'Ü'
+        59: 0,  # 'â'
+        33: 1,  # 'ç'
+        61: 1,  # 'î'
+        34: 2,  # 'ö'
+        17: 0,  # 'ü'
+        30: 1,  # 'ğ'
+        41: 1,  # 'İ'
+        6: 1,  # 'ı'
+        40: 1,  # 'Ş'
+        19: 1,  # 'ş'
+    },
+}
+
+# 255: Undefined characters that did not exist in training text
+# 254: Carriage/Return
+# 253: symbol (punctuation) that does not belong to word
+# 252: 0 - 9
+# 251: Control characters
+
+# Character Mapping Table(s):
+ISO_8859_9_TURKISH_CHAR_TO_ORDER = {
+    0: 255,  # '\x00'
+    1: 255,  # '\x01'
+    2: 255,  # '\x02'
+    3: 255,  # '\x03'
+    4: 255,  # '\x04'
+    5: 255,  # '\x05'
+    6: 255,  # '\x06'
+    7: 255,  # '\x07'
+    8: 255,  # '\x08'
+    9: 255,  # '\t'
+    10: 255,  # '\n'
+    11: 255,  # '\x0b'
+    12: 255,  # '\x0c'
+    13: 255,  # '\r'
+    14: 255,  # '\x0e'
+    15: 255,  # '\x0f'
+    16: 255,  # '\x10'
+    17: 255,  # '\x11'
+    18: 255,  # '\x12'
+    19: 255,  # '\x13'
+    20: 255,  # '\x14'
+    21: 255,  # '\x15'
+    22: 255,  # '\x16'
+    23: 255,  # '\x17'
+    24: 255,  # '\x18'
+    25: 255,  # '\x19'
+    26: 255,  # '\x1a'
+    27: 255,  # '\x1b'
+    28: 255,  # '\x1c'
+    29: 255,  # '\x1d'
+    30: 255,  # '\x1e'
+    31: 255,  # '\x1f'
+    32: 255,  # ' '
+    33: 255,  # '!'
+    34: 255,  # '"'
+    35: 255,  # '#'
+    36: 255,  # '$'
+    37: 255,  # '%'
+    38: 255,  # '&'
+    39: 255,  # "'"
+    40: 255,  # '('
+    41: 255,  # ')'
+    42: 255,  # '*'
+    43: 255,  # '+'
+    44: 255,  # ','
+    45: 255,  # '-'
+    46: 255,  # '.'
+    47: 255,  # '/'
+    48: 255,  # '0'
+    49: 255,  # '1'
+    50: 255,  # '2'
+    51: 255,  # '3'
+    52: 255,  # '4'
+    53: 255,  # '5'
+    54: 255,  # '6'
+    55: 255,  # '7'
+    56: 255,  # '8'
+    57: 255,  # '9'
+    58: 255,  # ':'
+    59: 255,  # ';'
+    60: 255,  # '<'
+    61: 255,  # '='
+    62: 255,  # '>'
+    63: 255,  # '?'
+    64: 255,  # '@'
+    65: 23,  # 'A'
+    66: 37,  # 'B'
+    67: 47,  # 'C'
+    68: 39,  # 'D'
+    69: 29,  # 'E'
+    70: 52,  # 'F'
+    71: 36,  # 'G'
+    72: 45,  # 'H'
+    73: 53,  # 'I'
+    74: 60,  # 'J'
+    75: 16,  # 'K'
+    76: 49,  # 'L'
+    77: 20,  # 'M'
+    78: 46,  # 'N'
+    79: 42,  # 'O'
+    80: 48,  # 'P'
+    81: 69,  # 'Q'
+    82: 44,  # 'R'
+    83: 35,  # 'S'
+    84: 31,  # 'T'
+    85: 51,  # 'U'
+    86: 38,  # 'V'
+    87: 62,  # 'W'
+    88: 65,  # 'X'
+    89: 43,  # 'Y'
+    90: 56,  # 'Z'
+    91: 255,  # '['
+    92: 255,  # '\\'
+    93: 255,  # ']'
+    94: 255,  # '^'
+    95: 255,  # '_'
+    96: 255,  # '`'
+    97: 1,  # 'a'
+    98: 21,  # 'b'
+    99: 28,  # 'c'
+    100: 12,  # 'd'
+    101: 2,  # 'e'
+    102: 18,  # 'f'
+    103: 27,  # 'g'
+    104: 25,  # 'h'
+    105: 3,  # 'i'
+    106: 24,  # 'j'
+    107: 10,  # 'k'
+    108: 5,  # 'l'
+    109: 13,  # 'm'
+    110: 4,  # 'n'
+    111: 15,  # 'o'
+    112: 26,  # 'p'
+    113: 64,  # 'q'
+    114: 7,  # 'r'
+    115: 8,  # 's'
+    116: 9,  # 't'
+    117: 14,  # 'u'
+    118: 32,  # 'v'
+    119: 57,  # 'w'
+    120: 58,  # 'x'
+    121: 11,  # 'y'
+    122: 22,  # 'z'
+    123: 255,  # '{'
+    124: 255,  # '|'
+    125: 255,  # '}'
+    126: 255,  # '~'
+    127: 255,  # '\x7f'
+    128: 180,  # '\x80'
+    129: 179,  # '\x81'
+    130: 178,  # '\x82'
+    131: 177,  # '\x83'
+    132: 176,  # '\x84'
+    133: 175,  # '\x85'
+    134: 174,  # '\x86'
+    135: 173,  # '\x87'
+    136: 172,  # '\x88'
+    137: 171,  # '\x89'
+    138: 170,  # '\x8a'
+    139: 169,  # '\x8b'
+    140: 168,  # '\x8c'
+    141: 167,  # '\x8d'
+    142: 166,  # '\x8e'
+    143: 165,  # '\x8f'
+    144: 164,  # '\x90'
+    145: 163,  # '\x91'
+    146: 162,  # '\x92'
+    147: 161,  # '\x93'
+    148: 160,  # '\x94'
+    149: 159,  # '\x95'
+    150: 101,  # '\x96'
+    151: 158,  # '\x97'
+    152: 157,  # '\x98'
+    153: 156,  # '\x99'
+    154: 155,  # '\x9a'
+    155: 154,  # '\x9b'
+    156: 153,  # '\x9c'
+    157: 152,  # '\x9d'
+    158: 151,  # '\x9e'
+    159: 106,  # '\x9f'
+    160: 150,  # '\xa0'
+    161: 149,  # '¡'
+    162: 148,  # '¢'
+    163: 147,  # '£'
+    164: 146,  # '¤'
+    165: 145,  # '¥'
+    166: 144,  # '¦'
+    167: 100,  # '§'
+    168: 143,  # '¨'
+    169: 142,  # '©'
+    170: 141,  # 'ª'
+    171: 140,  # '«'
+    172: 139,  # '¬'
+    173: 138,  # '\xad'
+    174: 137,  # '®'
+    175: 136,  # '¯'
+    176: 94,  # '°'
+    177: 80,  # '±'
+    178: 93,  # '²'
+    179: 135,  # '³'
+    180: 105,  # '´'
+    181: 134,  # 'µ'
+    182: 133,  # '¶'
+    183: 63,  # '·'
+    184: 132,  # '¸'
+    185: 131,  # '¹'
+    186: 130,  # 'º'
+    187: 129,  # '»'
+    188: 128,  # '¼'
+    189: 127,  # '½'
+    190: 126,  # '¾'
+    191: 125,  # '¿'
+    192: 124,  # 'À'
+    193: 104,  # 'Á'
+    194: 73,  # 'Â'
+    195: 99,  # 'Ã'
+    196: 79,  # 'Ä'
+    197: 85,  # 'Å'
+    198: 123,  # 'Æ'
+    199: 54,  # 'Ç'
+    200: 122,  # 'È'
+    201: 98,  # 'É'
+    202: 92,  # 'Ê'
+    203: 121,  # 'Ë'
+    204: 120,  # 'Ì'
+    205: 91,  # 'Í'
+    206: 103,  # 'Î'
+    207: 119,  # 'Ï'
+    208: 68,  # 'Ğ'
+    209: 118,  # 'Ñ'
+    210: 117,  # 'Ò'
+    211: 97,  # 'Ó'
+    212: 116,  # 'Ô'
+    213: 115,  # 'Õ'
+    214: 50,  # 'Ö'
+    215: 90,  # '×'
+    216: 114,  # 'Ø'
+    217: 113,  # 'Ù'
+    218: 112,  # 'Ú'
+    219: 111,  # 'Û'
+    220: 55,  # 'Ü'
+    221: 41,  # 'İ'
+    222: 40,  # 'Ş'
+    223: 86,  # 'ß'
+    224: 89,  # 'à'
+    225: 70,  # 'á'
+    226: 59,  # 'â'
+    227: 78,  # 'ã'
+    228: 71,  # 'ä'
+    229: 82,  # 'å'
+    230: 88,  # 'æ'
+    231: 33,  # 'ç'
+    232: 77,  # 'è'
+    233: 66,  # 'é'
+    234: 84,  # 'ê'
+    235: 83,  # 'ë'
+    236: 110,  # 'ì'
+    237: 75,  # 'í'
+    238: 61,  # 'î'
+    239: 96,  # 'ï'
+    240: 30,  # 'ğ'
+    241: 67,  # 'ñ'
+    242: 109,  # 'ò'
+    243: 74,  # 'ó'
+    244: 87,  # 'ô'
+    245: 102,  # 'õ'
+    246: 34,  # 'ö'
+    247: 95,  # '÷'
+    248: 81,  # 'ø'
+    249: 108,  # 'ù'
+    250: 76,  # 'ú'
+    251: 72,  # 'û'
+    252: 17,  # 'ü'
+    253: 6,  # 'ı'
+    254: 19,  # 'ş'
+    255: 107,  # 'ÿ'
+}
+
+ISO_8859_9_TURKISH_MODEL = SingleByteCharSetModel(
+    charset_name="ISO-8859-9",
+    language="Turkish",
+    char_to_order_map=ISO_8859_9_TURKISH_CHAR_TO_ORDER,
+    language_model=TURKISH_LANG_MODEL,
+    typical_positive_ratio=0.97029,
+    keep_ascii_letters=True,
+    alphabet="ABCDEFGHIJKLMNOPRSTUVYZabcdefghijklmnoprstuvyzÂÇÎÖÛÜâçîöûüĞğİıŞş",
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/latin1prober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/latin1prober.py
new file mode 100644
index 00000000..59a01d91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/latin1prober.py
@@ -0,0 +1,147 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import List, Union
+
+from .charsetprober import CharSetProber
+from .enums import ProbingState
+
+FREQ_CAT_NUM = 4
+
+UDF = 0  # undefined
+OTH = 1  # other
+ASC = 2  # ascii capital letter
+ASS = 3  # ascii small letter
+ACV = 4  # accent capital vowel
+ACO = 5  # accent capital other
+ASV = 6  # accent small vowel
+ASO = 7  # accent small other
+CLASS_NUM = 8  # total classes
+
+# fmt: off
+Latin1_CharToClass = (
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 00 - 07
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 08 - 0F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 10 - 17
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 18 - 1F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 20 - 27
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 28 - 2F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 30 - 37
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 38 - 3F
+    OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC,   # 40 - 47
+    ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC,   # 48 - 4F
+    ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC,   # 50 - 57
+    ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH,   # 58 - 5F
+    OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS,   # 60 - 67
+    ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS,   # 68 - 6F
+    ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS,   # 70 - 77
+    ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH,   # 78 - 7F
+    OTH, UDF, OTH, ASO, OTH, OTH, OTH, OTH,   # 80 - 87
+    OTH, OTH, ACO, OTH, ACO, UDF, ACO, UDF,   # 88 - 8F
+    UDF, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 90 - 97
+    OTH, OTH, ASO, OTH, ASO, UDF, ASO, ACO,   # 98 - 9F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # A0 - A7
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # A8 - AF
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # B0 - B7
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # B8 - BF
+    ACV, ACV, ACV, ACV, ACV, ACV, ACO, ACO,   # C0 - C7
+    ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV,   # C8 - CF
+    ACO, ACO, ACV, ACV, ACV, ACV, ACV, OTH,   # D0 - D7
+    ACV, ACV, ACV, ACV, ACV, ACO, ACO, ACO,   # D8 - DF
+    ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASO,   # E0 - E7
+    ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV,   # E8 - EF
+    ASO, ASO, ASV, ASV, ASV, ASV, ASV, OTH,   # F0 - F7
+    ASV, ASV, ASV, ASV, ASV, ASO, ASO, ASO,   # F8 - FF
+)
+
+# 0 : illegal
+# 1 : very unlikely
+# 2 : normal
+# 3 : very likely
+Latin1ClassModel = (
+# UDF OTH ASC ASS ACV ACO ASV ASO
+    0,  0,  0,  0,  0,  0,  0,  0,  # UDF
+    0,  3,  3,  3,  3,  3,  3,  3,  # OTH
+    0,  3,  3,  3,  3,  3,  3,  3,  # ASC
+    0,  3,  3,  3,  1,  1,  3,  3,  # ASS
+    0,  3,  3,  3,  1,  2,  1,  2,  # ACV
+    0,  3,  3,  3,  3,  3,  3,  3,  # ACO
+    0,  3,  1,  3,  1,  1,  1,  3,  # ASV
+    0,  3,  1,  3,  1,  1,  3,  3,  # ASO
+)
+# fmt: on
+
+
+class Latin1Prober(CharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self._last_char_class = OTH
+        self._freq_counter: List[int] = []
+        self.reset()
+
+    def reset(self) -> None:
+        self._last_char_class = OTH
+        self._freq_counter = [0] * FREQ_CAT_NUM
+        super().reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "ISO-8859-1"
+
+    @property
+    def language(self) -> str:
+        return ""
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        byte_str = self.remove_xml_tags(byte_str)
+        for c in byte_str:
+            char_class = Latin1_CharToClass[c]
+            freq = Latin1ClassModel[(self._last_char_class * CLASS_NUM) + char_class]
+            if freq == 0:
+                self._state = ProbingState.NOT_ME
+                break
+            self._freq_counter[freq] += 1
+            self._last_char_class = char_class
+
+        return self.state
+
+    def get_confidence(self) -> float:
+        if self.state == ProbingState.NOT_ME:
+            return 0.01
+
+        total = sum(self._freq_counter)
+        confidence = (
+            0.0
+            if total < 0.01
+            else (self._freq_counter[3] - self._freq_counter[1] * 20.0) / total
+        )
+        confidence = max(confidence, 0.0)
+        # lower the confidence of latin1 so that other more accurate
+        # detector can take priority.
+        confidence *= 0.73
+        return confidence
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/macromanprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/macromanprober.py
new file mode 100644
index 00000000..1425d10e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/macromanprober.py
@@ -0,0 +1,162 @@
+######################## BEGIN LICENSE BLOCK ########################
+# This code was modified from latin1prober.py by Rob Speer <rob@lumino.so>.
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Rob Speer - adapt to MacRoman encoding
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import List, Union
+
+from .charsetprober import CharSetProber
+from .enums import ProbingState
+
+FREQ_CAT_NUM = 4
+
+UDF = 0  # undefined
+OTH = 1  # other
+ASC = 2  # ascii capital letter
+ASS = 3  # ascii small letter
+ACV = 4  # accent capital vowel
+ACO = 5  # accent capital other
+ASV = 6  # accent small vowel
+ASO = 7  # accent small other
+ODD = 8  # character that is unlikely to appear
+CLASS_NUM = 9  # total classes
+
+# The change from Latin1 is that we explicitly look for extended characters
+# that are infrequently-occurring symbols, and consider them to always be
+# improbable. This should let MacRoman get out of the way of more likely
+# encodings in most situations.
+
+# fmt: off
+MacRoman_CharToClass = (
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 00 - 07
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 08 - 0F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 10 - 17
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 18 - 1F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 20 - 27
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 28 - 2F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 30 - 37
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # 38 - 3F
+    OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC,  # 40 - 47
+    ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC,  # 48 - 4F
+    ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC,  # 50 - 57
+    ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH,  # 58 - 5F
+    OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS,  # 60 - 67
+    ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS,  # 68 - 6F
+    ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS,  # 70 - 77
+    ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH,  # 78 - 7F
+    ACV, ACV, ACO, ACV, ACO, ACV, ACV, ASV,  # 80 - 87
+    ASV, ASV, ASV, ASV, ASV, ASO, ASV, ASV,  # 88 - 8F
+    ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASV,  # 90 - 97
+    ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV,  # 98 - 9F
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, ASO,  # A0 - A7
+    OTH, OTH, ODD, ODD, OTH, OTH, ACV, ACV,  # A8 - AF
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,  # B0 - B7
+    OTH, OTH, OTH, OTH, OTH, OTH, ASV, ASV,  # B8 - BF
+    OTH, OTH, ODD, OTH, ODD, OTH, OTH, OTH,  # C0 - C7
+    OTH, OTH, OTH, ACV, ACV, ACV, ACV, ASV,  # C8 - CF
+    OTH, OTH, OTH, OTH, OTH, OTH, OTH, ODD,  # D0 - D7
+    ASV, ACV, ODD, OTH, OTH, OTH, OTH, OTH,  # D8 - DF
+    OTH, OTH, OTH, OTH, OTH, ACV, ACV, ACV,  # E0 - E7
+    ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV,  # E8 - EF
+    ODD, ACV, ACV, ACV, ACV, ASV, ODD, ODD,  # F0 - F7
+    ODD, ODD, ODD, ODD, ODD, ODD, ODD, ODD,  # F8 - FF
+)
+
+# 0 : illegal
+# 1 : very unlikely
+# 2 : normal
+# 3 : very likely
+MacRomanClassModel = (
+# UDF OTH ASC ASS ACV ACO ASV ASO ODD
+    0,  0,  0,  0,  0,  0,  0,  0,  0,  # UDF
+    0,  3,  3,  3,  3,  3,  3,  3,  1,  # OTH
+    0,  3,  3,  3,  3,  3,  3,  3,  1,  # ASC
+    0,  3,  3,  3,  1,  1,  3,  3,  1,  # ASS
+    0,  3,  3,  3,  1,  2,  1,  2,  1,  # ACV
+    0,  3,  3,  3,  3,  3,  3,  3,  1,  # ACO
+    0,  3,  1,  3,  1,  1,  1,  3,  1,  # ASV
+    0,  3,  1,  3,  1,  1,  3,  3,  1,  # ASO
+    0,  1,  1,  1,  1,  1,  1,  1,  1,  # ODD
+)
+# fmt: on
+
+
+class MacRomanProber(CharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self._last_char_class = OTH
+        self._freq_counter: List[int] = []
+        self.reset()
+
+    def reset(self) -> None:
+        self._last_char_class = OTH
+        self._freq_counter = [0] * FREQ_CAT_NUM
+
+        # express the prior that MacRoman is a somewhat rare encoding;
+        # this can be done by starting out in a slightly improbable state
+        # that must be overcome
+        self._freq_counter[2] = 10
+
+        super().reset()
+
+    @property
+    def charset_name(self) -> str:
+        return "MacRoman"
+
+    @property
+    def language(self) -> str:
+        return ""
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        byte_str = self.remove_xml_tags(byte_str)
+        for c in byte_str:
+            char_class = MacRoman_CharToClass[c]
+            freq = MacRomanClassModel[(self._last_char_class * CLASS_NUM) + char_class]
+            if freq == 0:
+                self._state = ProbingState.NOT_ME
+                break
+            self._freq_counter[freq] += 1
+            self._last_char_class = char_class
+
+        return self.state
+
+    def get_confidence(self) -> float:
+        if self.state == ProbingState.NOT_ME:
+            return 0.01
+
+        total = sum(self._freq_counter)
+        confidence = (
+            0.0
+            if total < 0.01
+            else (self._freq_counter[3] - self._freq_counter[1] * 20.0) / total
+        )
+        confidence = max(confidence, 0.0)
+        # lower the confidence of MacRoman so that other more accurate
+        # detector can take priority.
+        confidence *= 0.73
+        return confidence
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcharsetprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcharsetprober.py
new file mode 100644
index 00000000..666307e8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcharsetprober.py
@@ -0,0 +1,95 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#   Proofpoint, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Optional, Union
+
+from .chardistribution import CharDistributionAnalysis
+from .charsetprober import CharSetProber
+from .codingstatemachine import CodingStateMachine
+from .enums import LanguageFilter, MachineState, ProbingState
+
+
+class MultiByteCharSetProber(CharSetProber):
+    """
+    MultiByteCharSetProber
+    """
+
+    def __init__(self, lang_filter: LanguageFilter = LanguageFilter.NONE) -> None:
+        super().__init__(lang_filter=lang_filter)
+        self.distribution_analyzer: Optional[CharDistributionAnalysis] = None
+        self.coding_sm: Optional[CodingStateMachine] = None
+        self._last_char = bytearray(b"\0\0")
+
+    def reset(self) -> None:
+        super().reset()
+        if self.coding_sm:
+            self.coding_sm.reset()
+        if self.distribution_analyzer:
+            self.distribution_analyzer.reset()
+        self._last_char = bytearray(b"\0\0")
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        assert self.coding_sm is not None
+        assert self.distribution_analyzer is not None
+
+        for i, byte in enumerate(byte_str):
+            coding_state = self.coding_sm.next_state(byte)
+            if coding_state == MachineState.ERROR:
+                self.logger.debug(
+                    "%s %s prober hit error at byte %s",
+                    self.charset_name,
+                    self.language,
+                    i,
+                )
+                self._state = ProbingState.NOT_ME
+                break
+            if coding_state == MachineState.ITS_ME:
+                self._state = ProbingState.FOUND_IT
+                break
+            if coding_state == MachineState.START:
+                char_len = self.coding_sm.get_current_charlen()
+                if i == 0:
+                    self._last_char[1] = byte
+                    self.distribution_analyzer.feed(self._last_char, char_len)
+                else:
+                    self.distribution_analyzer.feed(byte_str[i - 1 : i + 1], char_len)
+
+        self._last_char[0] = byte_str[-1]
+
+        if self.state == ProbingState.DETECTING:
+            if self.distribution_analyzer.got_enough_data() and (
+                self.get_confidence() > self.SHORTCUT_THRESHOLD
+            ):
+                self._state = ProbingState.FOUND_IT
+
+        return self.state
+
+    def get_confidence(self) -> float:
+        assert self.distribution_analyzer is not None
+        return self.distribution_analyzer.get_confidence()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcsgroupprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcsgroupprober.py
new file mode 100644
index 00000000..6cb9cc7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcsgroupprober.py
@@ -0,0 +1,57 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#   Proofpoint, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .big5prober import Big5Prober
+from .charsetgroupprober import CharSetGroupProber
+from .cp949prober import CP949Prober
+from .enums import LanguageFilter
+from .eucjpprober import EUCJPProber
+from .euckrprober import EUCKRProber
+from .euctwprober import EUCTWProber
+from .gb2312prober import GB2312Prober
+from .johabprober import JOHABProber
+from .sjisprober import SJISProber
+from .utf8prober import UTF8Prober
+
+
+class MBCSGroupProber(CharSetGroupProber):
+    def __init__(self, lang_filter: LanguageFilter = LanguageFilter.NONE) -> None:
+        super().__init__(lang_filter=lang_filter)
+        self.probers = [
+            UTF8Prober(),
+            SJISProber(),
+            EUCJPProber(),
+            GB2312Prober(),
+            EUCKRProber(),
+            CP949Prober(),
+            Big5Prober(),
+            EUCTWProber(),
+            JOHABProber(),
+        ]
+        self.reset()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcssm.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcssm.py
new file mode 100644
index 00000000..7bbe97e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/mbcssm.py
@@ -0,0 +1,661 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .codingstatemachinedict import CodingStateMachineDict
+from .enums import MachineState
+
+# BIG5
+
+# fmt: off
+BIG5_CLS = (
+    1, 1, 1, 1, 1, 1, 1, 1,  # 00 - 07    #allow 0x00 as legal value
+    1, 1, 1, 1, 1, 1, 0, 0,  # 08 - 0f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 10 - 17
+    1, 1, 1, 0, 1, 1, 1, 1,  # 18 - 1f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 20 - 27
+    1, 1, 1, 1, 1, 1, 1, 1,  # 28 - 2f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 30 - 37
+    1, 1, 1, 1, 1, 1, 1, 1,  # 38 - 3f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 40 - 47
+    2, 2, 2, 2, 2, 2, 2, 2,  # 48 - 4f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 50 - 57
+    2, 2, 2, 2, 2, 2, 2, 2,  # 58 - 5f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 60 - 67
+    2, 2, 2, 2, 2, 2, 2, 2,  # 68 - 6f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 70 - 77
+    2, 2, 2, 2, 2, 2, 2, 1,  # 78 - 7f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 80 - 87
+    4, 4, 4, 4, 4, 4, 4, 4,  # 88 - 8f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 90 - 97
+    4, 4, 4, 4, 4, 4, 4, 4,  # 98 - 9f
+    4, 3, 3, 3, 3, 3, 3, 3,  # a0 - a7
+    3, 3, 3, 3, 3, 3, 3, 3,  # a8 - af
+    3, 3, 3, 3, 3, 3, 3, 3,  # b0 - b7
+    3, 3, 3, 3, 3, 3, 3, 3,  # b8 - bf
+    3, 3, 3, 3, 3, 3, 3, 3,  # c0 - c7
+    3, 3, 3, 3, 3, 3, 3, 3,  # c8 - cf
+    3, 3, 3, 3, 3, 3, 3, 3,  # d0 - d7
+    3, 3, 3, 3, 3, 3, 3, 3,  # d8 - df
+    3, 3, 3, 3, 3, 3, 3, 3,  # e0 - e7
+    3, 3, 3, 3, 3, 3, 3, 3,  # e8 - ef
+    3, 3, 3, 3, 3, 3, 3, 3,  # f0 - f7
+    3, 3, 3, 3, 3, 3, 3, 0  # f8 - ff
+)
+
+BIG5_ST = (
+    MachineState.ERROR,MachineState.START,MachineState.START,     3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07
+    MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,#08-0f
+    MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START#10-17
+)
+# fmt: on
+
+BIG5_CHAR_LEN_TABLE = (0, 1, 1, 2, 0)
+
+BIG5_SM_MODEL: CodingStateMachineDict = {
+    "class_table": BIG5_CLS,
+    "class_factor": 5,
+    "state_table": BIG5_ST,
+    "char_len_table": BIG5_CHAR_LEN_TABLE,
+    "name": "Big5",
+}
+
+# CP949
+# fmt: off
+CP949_CLS  = (
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0,  # 00 - 0f
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1,  # 10 - 1f
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  # 20 - 2f
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  # 30 - 3f
+    1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,  # 40 - 4f
+    4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1,  # 50 - 5f
+    1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,  # 60 - 6f
+    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1,  # 70 - 7f
+    0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,  # 80 - 8f
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,  # 90 - 9f
+    6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8,  # a0 - af
+    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,  # b0 - bf
+    7, 7, 7, 7, 7, 7, 9, 2, 2, 3, 2, 2, 2, 2, 2, 2,  # c0 - cf
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,  # d0 - df
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,  # e0 - ef
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0,  # f0 - ff
+)
+
+CP949_ST = (
+#cls=    0      1      2      3      4      5      6      7      8      9  # previous state =
+    MachineState.ERROR,MachineState.START,     3,MachineState.ERROR,MachineState.START,MachineState.START,     4,     5,MachineState.ERROR,     6, # MachineState.START
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, # MachineState.ERROR
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME, # MachineState.ITS_ME
+    MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 3
+    MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 4
+    MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 5
+    MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 6
+)
+# fmt: on
+
+CP949_CHAR_LEN_TABLE = (0, 1, 2, 0, 1, 1, 2, 2, 0, 2)
+
+CP949_SM_MODEL: CodingStateMachineDict = {
+    "class_table": CP949_CLS,
+    "class_factor": 10,
+    "state_table": CP949_ST,
+    "char_len_table": CP949_CHAR_LEN_TABLE,
+    "name": "CP949",
+}
+
+# EUC-JP
+# fmt: off
+EUCJP_CLS = (
+    4, 4, 4, 4, 4, 4, 4, 4,  # 00 - 07
+    4, 4, 4, 4, 4, 4, 5, 5,  # 08 - 0f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 10 - 17
+    4, 4, 4, 5, 4, 4, 4, 4,  # 18 - 1f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 20 - 27
+    4, 4, 4, 4, 4, 4, 4, 4,  # 28 - 2f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 30 - 37
+    4, 4, 4, 4, 4, 4, 4, 4,  # 38 - 3f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 40 - 47
+    4, 4, 4, 4, 4, 4, 4, 4,  # 48 - 4f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 50 - 57
+    4, 4, 4, 4, 4, 4, 4, 4,  # 58 - 5f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 60 - 67
+    4, 4, 4, 4, 4, 4, 4, 4,  # 68 - 6f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 70 - 77
+    4, 4, 4, 4, 4, 4, 4, 4,  # 78 - 7f
+    5, 5, 5, 5, 5, 5, 5, 5,  # 80 - 87
+    5, 5, 5, 5, 5, 5, 1, 3,  # 88 - 8f
+    5, 5, 5, 5, 5, 5, 5, 5,  # 90 - 97
+    5, 5, 5, 5, 5, 5, 5, 5,  # 98 - 9f
+    5, 2, 2, 2, 2, 2, 2, 2,  # a0 - a7
+    2, 2, 2, 2, 2, 2, 2, 2,  # a8 - af
+    2, 2, 2, 2, 2, 2, 2, 2,  # b0 - b7
+    2, 2, 2, 2, 2, 2, 2, 2,  # b8 - bf
+    2, 2, 2, 2, 2, 2, 2, 2,  # c0 - c7
+    2, 2, 2, 2, 2, 2, 2, 2,  # c8 - cf
+    2, 2, 2, 2, 2, 2, 2, 2,  # d0 - d7
+    2, 2, 2, 2, 2, 2, 2, 2,  # d8 - df
+    0, 0, 0, 0, 0, 0, 0, 0,  # e0 - e7
+    0, 0, 0, 0, 0, 0, 0, 0,  # e8 - ef
+    0, 0, 0, 0, 0, 0, 0, 0,  # f0 - f7
+    0, 0, 0, 0, 0, 0, 0, 5  # f8 - ff
+)
+
+EUCJP_ST = (
+          3,     4,     3,     5,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07
+     MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f
+     MachineState.ITS_ME,MachineState.ITS_ME,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17
+     MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,     3,MachineState.ERROR,#18-1f
+          3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START#20-27
+)
+# fmt: on
+
+EUCJP_CHAR_LEN_TABLE = (2, 2, 2, 3, 1, 0)
+
+EUCJP_SM_MODEL: CodingStateMachineDict = {
+    "class_table": EUCJP_CLS,
+    "class_factor": 6,
+    "state_table": EUCJP_ST,
+    "char_len_table": EUCJP_CHAR_LEN_TABLE,
+    "name": "EUC-JP",
+}
+
+# EUC-KR
+# fmt: off
+EUCKR_CLS  = (
+    1, 1, 1, 1, 1, 1, 1, 1,  # 00 - 07
+    1, 1, 1, 1, 1, 1, 0, 0,  # 08 - 0f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 10 - 17
+    1, 1, 1, 0, 1, 1, 1, 1,  # 18 - 1f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 20 - 27
+    1, 1, 1, 1, 1, 1, 1, 1,  # 28 - 2f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 30 - 37
+    1, 1, 1, 1, 1, 1, 1, 1,  # 38 - 3f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 40 - 47
+    1, 1, 1, 1, 1, 1, 1, 1,  # 48 - 4f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 50 - 57
+    1, 1, 1, 1, 1, 1, 1, 1,  # 58 - 5f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 60 - 67
+    1, 1, 1, 1, 1, 1, 1, 1,  # 68 - 6f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 70 - 77
+    1, 1, 1, 1, 1, 1, 1, 1,  # 78 - 7f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 80 - 87
+    0, 0, 0, 0, 0, 0, 0, 0,  # 88 - 8f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 90 - 97
+    0, 0, 0, 0, 0, 0, 0, 0,  # 98 - 9f
+    0, 2, 2, 2, 2, 2, 2, 2,  # a0 - a7
+    2, 2, 2, 2, 2, 3, 3, 3,  # a8 - af
+    2, 2, 2, 2, 2, 2, 2, 2,  # b0 - b7
+    2, 2, 2, 2, 2, 2, 2, 2,  # b8 - bf
+    2, 2, 2, 2, 2, 2, 2, 2,  # c0 - c7
+    2, 3, 2, 2, 2, 2, 2, 2,  # c8 - cf
+    2, 2, 2, 2, 2, 2, 2, 2,  # d0 - d7
+    2, 2, 2, 2, 2, 2, 2, 2,  # d8 - df
+    2, 2, 2, 2, 2, 2, 2, 2,  # e0 - e7
+    2, 2, 2, 2, 2, 2, 2, 2,  # e8 - ef
+    2, 2, 2, 2, 2, 2, 2, 2,  # f0 - f7
+    2, 2, 2, 2, 2, 2, 2, 0   # f8 - ff
+)
+
+EUCKR_ST = (
+    MachineState.ERROR,MachineState.START,     3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #08-0f
+)
+# fmt: on
+
+EUCKR_CHAR_LEN_TABLE = (0, 1, 2, 0)
+
+EUCKR_SM_MODEL: CodingStateMachineDict = {
+    "class_table": EUCKR_CLS,
+    "class_factor": 4,
+    "state_table": EUCKR_ST,
+    "char_len_table": EUCKR_CHAR_LEN_TABLE,
+    "name": "EUC-KR",
+}
+
+# JOHAB
+# fmt: off
+JOHAB_CLS = (
+    4,4,4,4,4,4,4,4,  # 00 - 07
+    4,4,4,4,4,4,0,0,  # 08 - 0f
+    4,4,4,4,4,4,4,4,  # 10 - 17
+    4,4,4,0,4,4,4,4,  # 18 - 1f
+    4,4,4,4,4,4,4,4,  # 20 - 27
+    4,4,4,4,4,4,4,4,  # 28 - 2f
+    4,3,3,3,3,3,3,3,  # 30 - 37
+    3,3,3,3,3,3,3,3,  # 38 - 3f
+    3,1,1,1,1,1,1,1,  # 40 - 47
+    1,1,1,1,1,1,1,1,  # 48 - 4f
+    1,1,1,1,1,1,1,1,  # 50 - 57
+    1,1,1,1,1,1,1,1,  # 58 - 5f
+    1,1,1,1,1,1,1,1,  # 60 - 67
+    1,1,1,1,1,1,1,1,  # 68 - 6f
+    1,1,1,1,1,1,1,1,  # 70 - 77
+    1,1,1,1,1,1,1,2,  # 78 - 7f
+    6,6,6,6,8,8,8,8,  # 80 - 87
+    8,8,8,8,8,8,8,8,  # 88 - 8f
+    8,7,7,7,7,7,7,7,  # 90 - 97
+    7,7,7,7,7,7,7,7,  # 98 - 9f
+    7,7,7,7,7,7,7,7,  # a0 - a7
+    7,7,7,7,7,7,7,7,  # a8 - af
+    7,7,7,7,7,7,7,7,  # b0 - b7
+    7,7,7,7,7,7,7,7,  # b8 - bf
+    7,7,7,7,7,7,7,7,  # c0 - c7
+    7,7,7,7,7,7,7,7,  # c8 - cf
+    7,7,7,7,5,5,5,5,  # d0 - d7
+    5,9,9,9,9,9,9,5,  # d8 - df
+    9,9,9,9,9,9,9,9,  # e0 - e7
+    9,9,9,9,9,9,9,9,  # e8 - ef
+    9,9,9,9,9,9,9,9,  # f0 - f7
+    9,9,5,5,5,5,5,0   # f8 - ff
+)
+
+JOHAB_ST = (
+# cls = 0                   1                   2                   3                   4                   5                   6                   7                   8                   9
+    MachineState.ERROR ,MachineState.START ,MachineState.START ,MachineState.START ,MachineState.START ,MachineState.ERROR ,MachineState.ERROR ,3                  ,3                  ,4                  ,  # MachineState.START
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,  # MachineState.ITS_ME
+    MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,MachineState.ERROR ,  # MachineState.ERROR
+    MachineState.ERROR ,MachineState.START ,MachineState.START ,MachineState.ERROR ,MachineState.ERROR ,MachineState.START ,MachineState.START ,MachineState.START ,MachineState.START ,MachineState.START ,  # 3
+    MachineState.ERROR ,MachineState.START ,MachineState.ERROR ,MachineState.START ,MachineState.ERROR ,MachineState.START ,MachineState.ERROR ,MachineState.START ,MachineState.ERROR ,MachineState.START ,  # 4
+)
+# fmt: on
+
+JOHAB_CHAR_LEN_TABLE = (0, 1, 1, 1, 1, 0, 0, 2, 2, 2)
+
+JOHAB_SM_MODEL: CodingStateMachineDict = {
+    "class_table": JOHAB_CLS,
+    "class_factor": 10,
+    "state_table": JOHAB_ST,
+    "char_len_table": JOHAB_CHAR_LEN_TABLE,
+    "name": "Johab",
+}
+
+# EUC-TW
+# fmt: off
+EUCTW_CLS = (
+    2, 2, 2, 2, 2, 2, 2, 2,  # 00 - 07
+    2, 2, 2, 2, 2, 2, 0, 0,  # 08 - 0f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 10 - 17
+    2, 2, 2, 0, 2, 2, 2, 2,  # 18 - 1f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 20 - 27
+    2, 2, 2, 2, 2, 2, 2, 2,  # 28 - 2f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 30 - 37
+    2, 2, 2, 2, 2, 2, 2, 2,  # 38 - 3f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 40 - 47
+    2, 2, 2, 2, 2, 2, 2, 2,  # 48 - 4f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 50 - 57
+    2, 2, 2, 2, 2, 2, 2, 2,  # 58 - 5f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 60 - 67
+    2, 2, 2, 2, 2, 2, 2, 2,  # 68 - 6f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 70 - 77
+    2, 2, 2, 2, 2, 2, 2, 2,  # 78 - 7f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 80 - 87
+    0, 0, 0, 0, 0, 0, 6, 0,  # 88 - 8f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 90 - 97
+    0, 0, 0, 0, 0, 0, 0, 0,  # 98 - 9f
+    0, 3, 4, 4, 4, 4, 4, 4,  # a0 - a7
+    5, 5, 1, 1, 1, 1, 1, 1,  # a8 - af
+    1, 1, 1, 1, 1, 1, 1, 1,  # b0 - b7
+    1, 1, 1, 1, 1, 1, 1, 1,  # b8 - bf
+    1, 1, 3, 1, 3, 3, 3, 3,  # c0 - c7
+    3, 3, 3, 3, 3, 3, 3, 3,  # c8 - cf
+    3, 3, 3, 3, 3, 3, 3, 3,  # d0 - d7
+    3, 3, 3, 3, 3, 3, 3, 3,  # d8 - df
+    3, 3, 3, 3, 3, 3, 3, 3,  # e0 - e7
+    3, 3, 3, 3, 3, 3, 3, 3,  # e8 - ef
+    3, 3, 3, 3, 3, 3, 3, 3,  # f0 - f7
+    3, 3, 3, 3, 3, 3, 3, 0   # f8 - ff
+)
+
+EUCTW_ST = (
+    MachineState.ERROR,MachineState.ERROR,MachineState.START,     3,     3,     3,     4,MachineState.ERROR,#00-07
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.ERROR,#10-17
+    MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f
+         5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,#20-27
+    MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f
+)
+# fmt: on
+
+EUCTW_CHAR_LEN_TABLE = (0, 0, 1, 2, 2, 2, 3)
+
+EUCTW_SM_MODEL: CodingStateMachineDict = {
+    "class_table": EUCTW_CLS,
+    "class_factor": 7,
+    "state_table": EUCTW_ST,
+    "char_len_table": EUCTW_CHAR_LEN_TABLE,
+    "name": "x-euc-tw",
+}
+
+# GB2312
+# fmt: off
+GB2312_CLS = (
+    1, 1, 1, 1, 1, 1, 1, 1,  # 00 - 07
+    1, 1, 1, 1, 1, 1, 0, 0,  # 08 - 0f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 10 - 17
+    1, 1, 1, 0, 1, 1, 1, 1,  # 18 - 1f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 20 - 27
+    1, 1, 1, 1, 1, 1, 1, 1,  # 28 - 2f
+    3, 3, 3, 3, 3, 3, 3, 3,  # 30 - 37
+    3, 3, 1, 1, 1, 1, 1, 1,  # 38 - 3f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 40 - 47
+    2, 2, 2, 2, 2, 2, 2, 2,  # 48 - 4f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 50 - 57
+    2, 2, 2, 2, 2, 2, 2, 2,  # 58 - 5f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 60 - 67
+    2, 2, 2, 2, 2, 2, 2, 2,  # 68 - 6f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 70 - 77
+    2, 2, 2, 2, 2, 2, 2, 4,  # 78 - 7f
+    5, 6, 6, 6, 6, 6, 6, 6,  # 80 - 87
+    6, 6, 6, 6, 6, 6, 6, 6,  # 88 - 8f
+    6, 6, 6, 6, 6, 6, 6, 6,  # 90 - 97
+    6, 6, 6, 6, 6, 6, 6, 6,  # 98 - 9f
+    6, 6, 6, 6, 6, 6, 6, 6,  # a0 - a7
+    6, 6, 6, 6, 6, 6, 6, 6,  # a8 - af
+    6, 6, 6, 6, 6, 6, 6, 6,  # b0 - b7
+    6, 6, 6, 6, 6, 6, 6, 6,  # b8 - bf
+    6, 6, 6, 6, 6, 6, 6, 6,  # c0 - c7
+    6, 6, 6, 6, 6, 6, 6, 6,  # c8 - cf
+    6, 6, 6, 6, 6, 6, 6, 6,  # d0 - d7
+    6, 6, 6, 6, 6, 6, 6, 6,  # d8 - df
+    6, 6, 6, 6, 6, 6, 6, 6,  # e0 - e7
+    6, 6, 6, 6, 6, 6, 6, 6,  # e8 - ef
+    6, 6, 6, 6, 6, 6, 6, 6,  # f0 - f7
+    6, 6, 6, 6, 6, 6, 6, 0   # f8 - ff
+)
+
+GB2312_ST = (
+    MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,     3,MachineState.ERROR,#00-07
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,#10-17
+         4,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f
+    MachineState.ERROR,MachineState.ERROR,     5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#20-27
+    MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f
+)
+# fmt: on
+
+# To be accurate, the length of class 6 can be either 2 or 4.
+# But it is not necessary to discriminate between the two since
+# it is used for frequency analysis only, and we are validating
+# each code range there as well. So it is safe to set it to be
+# 2 here.
+GB2312_CHAR_LEN_TABLE = (0, 1, 1, 1, 1, 1, 2)
+
+GB2312_SM_MODEL: CodingStateMachineDict = {
+    "class_table": GB2312_CLS,
+    "class_factor": 7,
+    "state_table": GB2312_ST,
+    "char_len_table": GB2312_CHAR_LEN_TABLE,
+    "name": "GB2312",
+}
+
+# Shift_JIS
+# fmt: off
+SJIS_CLS = (
+    1, 1, 1, 1, 1, 1, 1, 1,  # 00 - 07
+    1, 1, 1, 1, 1, 1, 0, 0,  # 08 - 0f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 10 - 17
+    1, 1, 1, 0, 1, 1, 1, 1,  # 18 - 1f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 20 - 27
+    1, 1, 1, 1, 1, 1, 1, 1,  # 28 - 2f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 30 - 37
+    1, 1, 1, 1, 1, 1, 1, 1,  # 38 - 3f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 40 - 47
+    2, 2, 2, 2, 2, 2, 2, 2,  # 48 - 4f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 50 - 57
+    2, 2, 2, 2, 2, 2, 2, 2,  # 58 - 5f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 60 - 67
+    2, 2, 2, 2, 2, 2, 2, 2,  # 68 - 6f
+    2, 2, 2, 2, 2, 2, 2, 2,  # 70 - 77
+    2, 2, 2, 2, 2, 2, 2, 1,  # 78 - 7f
+    3, 3, 3, 3, 3, 2, 2, 3,  # 80 - 87
+    3, 3, 3, 3, 3, 3, 3, 3,  # 88 - 8f
+    3, 3, 3, 3, 3, 3, 3, 3,  # 90 - 97
+    3, 3, 3, 3, 3, 3, 3, 3,  # 98 - 9f
+    #0xa0 is illegal in sjis encoding, but some pages does
+    #contain such byte. We need to be more error forgiven.
+    2, 2, 2, 2, 2, 2, 2, 2,  # a0 - a7
+    2, 2, 2, 2, 2, 2, 2, 2,  # a8 - af
+    2, 2, 2, 2, 2, 2, 2, 2,  # b0 - b7
+    2, 2, 2, 2, 2, 2, 2, 2,  # b8 - bf
+    2, 2, 2, 2, 2, 2, 2, 2,  # c0 - c7
+    2, 2, 2, 2, 2, 2, 2, 2,  # c8 - cf
+    2, 2, 2, 2, 2, 2, 2, 2,  # d0 - d7
+    2, 2, 2, 2, 2, 2, 2, 2,  # d8 - df
+    3, 3, 3, 3, 3, 3, 3, 3,  # e0 - e7
+    3, 3, 3, 3, 3, 4, 4, 4,  # e8 - ef
+    3, 3, 3, 3, 3, 3, 3, 3,  # f0 - f7
+    3, 3, 3, 3, 3, 0, 0, 0,  # f8 - ff
+)
+
+SJIS_ST = (
+    MachineState.ERROR,MachineState.START,MachineState.START,     3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START #10-17
+)
+# fmt: on
+
+SJIS_CHAR_LEN_TABLE = (0, 1, 1, 2, 0, 0)
+
+SJIS_SM_MODEL: CodingStateMachineDict = {
+    "class_table": SJIS_CLS,
+    "class_factor": 6,
+    "state_table": SJIS_ST,
+    "char_len_table": SJIS_CHAR_LEN_TABLE,
+    "name": "Shift_JIS",
+}
+
+# UCS2-BE
+# fmt: off
+UCS2BE_CLS = (
+    0, 0, 0, 0, 0, 0, 0, 0,  # 00 - 07
+    0, 0, 1, 0, 0, 2, 0, 0,  # 08 - 0f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 10 - 17
+    0, 0, 0, 3, 0, 0, 0, 0,  # 18 - 1f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 20 - 27
+    0, 3, 3, 3, 3, 3, 0, 0,  # 28 - 2f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 30 - 37
+    0, 0, 0, 0, 0, 0, 0, 0,  # 38 - 3f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 40 - 47
+    0, 0, 0, 0, 0, 0, 0, 0,  # 48 - 4f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 50 - 57
+    0, 0, 0, 0, 0, 0, 0, 0,  # 58 - 5f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 60 - 67
+    0, 0, 0, 0, 0, 0, 0, 0,  # 68 - 6f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 70 - 77
+    0, 0, 0, 0, 0, 0, 0, 0,  # 78 - 7f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 80 - 87
+    0, 0, 0, 0, 0, 0, 0, 0,  # 88 - 8f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 90 - 97
+    0, 0, 0, 0, 0, 0, 0, 0,  # 98 - 9f
+    0, 0, 0, 0, 0, 0, 0, 0,  # a0 - a7
+    0, 0, 0, 0, 0, 0, 0, 0,  # a8 - af
+    0, 0, 0, 0, 0, 0, 0, 0,  # b0 - b7
+    0, 0, 0, 0, 0, 0, 0, 0,  # b8 - bf
+    0, 0, 0, 0, 0, 0, 0, 0,  # c0 - c7
+    0, 0, 0, 0, 0, 0, 0, 0,  # c8 - cf
+    0, 0, 0, 0, 0, 0, 0, 0,  # d0 - d7
+    0, 0, 0, 0, 0, 0, 0, 0,  # d8 - df
+    0, 0, 0, 0, 0, 0, 0, 0,  # e0 - e7
+    0, 0, 0, 0, 0, 0, 0, 0,  # e8 - ef
+    0, 0, 0, 0, 0, 0, 0, 0,  # f0 - f7
+    0, 0, 0, 0, 0, 0, 4, 5   # f8 - ff
+)
+
+UCS2BE_ST  = (
+          5,     7,     7,MachineState.ERROR,     4,     3,MachineState.ERROR,MachineState.ERROR,#00-07
+     MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f
+     MachineState.ITS_ME,MachineState.ITS_ME,     6,     6,     6,     6,MachineState.ERROR,MachineState.ERROR,#10-17
+          6,     6,     6,     6,     6,MachineState.ITS_ME,     6,     6,#18-1f
+          6,     6,     6,     6,     5,     7,     7,MachineState.ERROR,#20-27
+          5,     8,     6,     6,MachineState.ERROR,     6,     6,     6,#28-2f
+          6,     6,     6,     6,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #30-37
+)
+# fmt: on
+
+UCS2BE_CHAR_LEN_TABLE = (2, 2, 2, 0, 2, 2)
+
+UCS2BE_SM_MODEL: CodingStateMachineDict = {
+    "class_table": UCS2BE_CLS,
+    "class_factor": 6,
+    "state_table": UCS2BE_ST,
+    "char_len_table": UCS2BE_CHAR_LEN_TABLE,
+    "name": "UTF-16BE",
+}
+
+# UCS2-LE
+# fmt: off
+UCS2LE_CLS = (
+    0, 0, 0, 0, 0, 0, 0, 0,  # 00 - 07
+    0, 0, 1, 0, 0, 2, 0, 0,  # 08 - 0f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 10 - 17
+    0, 0, 0, 3, 0, 0, 0, 0,  # 18 - 1f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 20 - 27
+    0, 3, 3, 3, 3, 3, 0, 0,  # 28 - 2f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 30 - 37
+    0, 0, 0, 0, 0, 0, 0, 0,  # 38 - 3f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 40 - 47
+    0, 0, 0, 0, 0, 0, 0, 0,  # 48 - 4f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 50 - 57
+    0, 0, 0, 0, 0, 0, 0, 0,  # 58 - 5f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 60 - 67
+    0, 0, 0, 0, 0, 0, 0, 0,  # 68 - 6f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 70 - 77
+    0, 0, 0, 0, 0, 0, 0, 0,  # 78 - 7f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 80 - 87
+    0, 0, 0, 0, 0, 0, 0, 0,  # 88 - 8f
+    0, 0, 0, 0, 0, 0, 0, 0,  # 90 - 97
+    0, 0, 0, 0, 0, 0, 0, 0,  # 98 - 9f
+    0, 0, 0, 0, 0, 0, 0, 0,  # a0 - a7
+    0, 0, 0, 0, 0, 0, 0, 0,  # a8 - af
+    0, 0, 0, 0, 0, 0, 0, 0,  # b0 - b7
+    0, 0, 0, 0, 0, 0, 0, 0,  # b8 - bf
+    0, 0, 0, 0, 0, 0, 0, 0,  # c0 - c7
+    0, 0, 0, 0, 0, 0, 0, 0,  # c8 - cf
+    0, 0, 0, 0, 0, 0, 0, 0,  # d0 - d7
+    0, 0, 0, 0, 0, 0, 0, 0,  # d8 - df
+    0, 0, 0, 0, 0, 0, 0, 0,  # e0 - e7
+    0, 0, 0, 0, 0, 0, 0, 0,  # e8 - ef
+    0, 0, 0, 0, 0, 0, 0, 0,  # f0 - f7
+    0, 0, 0, 0, 0, 0, 4, 5   # f8 - ff
+)
+
+UCS2LE_ST = (
+          6,     6,     7,     6,     4,     3,MachineState.ERROR,MachineState.ERROR,#00-07
+     MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f
+     MachineState.ITS_ME,MachineState.ITS_ME,     5,     5,     5,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#10-17
+          5,     5,     5,MachineState.ERROR,     5,MachineState.ERROR,     6,     6,#18-1f
+          7,     6,     8,     8,     5,     5,     5,MachineState.ERROR,#20-27
+          5,     5,     5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,     5,     5,#28-2f
+          5,     5,     5,MachineState.ERROR,     5,MachineState.ERROR,MachineState.START,MachineState.START #30-37
+)
+# fmt: on
+
+UCS2LE_CHAR_LEN_TABLE = (2, 2, 2, 2, 2, 2)
+
+UCS2LE_SM_MODEL: CodingStateMachineDict = {
+    "class_table": UCS2LE_CLS,
+    "class_factor": 6,
+    "state_table": UCS2LE_ST,
+    "char_len_table": UCS2LE_CHAR_LEN_TABLE,
+    "name": "UTF-16LE",
+}
+
+# UTF-8
+# fmt: off
+UTF8_CLS = (
+    1, 1, 1, 1, 1, 1, 1, 1,  # 00 - 07  #allow 0x00 as a legal value
+    1, 1, 1, 1, 1, 1, 0, 0,  # 08 - 0f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 10 - 17
+    1, 1, 1, 0, 1, 1, 1, 1,  # 18 - 1f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 20 - 27
+    1, 1, 1, 1, 1, 1, 1, 1,  # 28 - 2f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 30 - 37
+    1, 1, 1, 1, 1, 1, 1, 1,  # 38 - 3f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 40 - 47
+    1, 1, 1, 1, 1, 1, 1, 1,  # 48 - 4f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 50 - 57
+    1, 1, 1, 1, 1, 1, 1, 1,  # 58 - 5f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 60 - 67
+    1, 1, 1, 1, 1, 1, 1, 1,  # 68 - 6f
+    1, 1, 1, 1, 1, 1, 1, 1,  # 70 - 77
+    1, 1, 1, 1, 1, 1, 1, 1,  # 78 - 7f
+    2, 2, 2, 2, 3, 3, 3, 3,  # 80 - 87
+    4, 4, 4, 4, 4, 4, 4, 4,  # 88 - 8f
+    4, 4, 4, 4, 4, 4, 4, 4,  # 90 - 97
+    4, 4, 4, 4, 4, 4, 4, 4,  # 98 - 9f
+    5, 5, 5, 5, 5, 5, 5, 5,  # a0 - a7
+    5, 5, 5, 5, 5, 5, 5, 5,  # a8 - af
+    5, 5, 5, 5, 5, 5, 5, 5,  # b0 - b7
+    5, 5, 5, 5, 5, 5, 5, 5,  # b8 - bf
+    0, 0, 6, 6, 6, 6, 6, 6,  # c0 - c7
+    6, 6, 6, 6, 6, 6, 6, 6,  # c8 - cf
+    6, 6, 6, 6, 6, 6, 6, 6,  # d0 - d7
+    6, 6, 6, 6, 6, 6, 6, 6,  # d8 - df
+    7, 8, 8, 8, 8, 8, 8, 8,  # e0 - e7
+    8, 8, 8, 8, 8, 9, 8, 8,  # e8 - ef
+    10, 11, 11, 11, 11, 11, 11, 11,  # f0 - f7
+    12, 13, 13, 13, 14, 15, 0, 0    # f8 - ff
+)
+
+UTF8_ST = (
+    MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,     12,   10,#00-07
+         9,     11,     8,     7,     6,     5,     4,    3,#08-0f
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#20-27
+    MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#28-2f
+    MachineState.ERROR,MachineState.ERROR,     5,     5,     5,     5,MachineState.ERROR,MachineState.ERROR,#30-37
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#38-3f
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,     5,     5,     5,MachineState.ERROR,MachineState.ERROR,#40-47
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#48-4f
+    MachineState.ERROR,MachineState.ERROR,     7,     7,     7,     7,MachineState.ERROR,MachineState.ERROR,#50-57
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#58-5f
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,     7,     7,MachineState.ERROR,MachineState.ERROR,#60-67
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#68-6f
+    MachineState.ERROR,MachineState.ERROR,     9,     9,     9,     9,MachineState.ERROR,MachineState.ERROR,#70-77
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#78-7f
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,     9,MachineState.ERROR,MachineState.ERROR,#80-87
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#88-8f
+    MachineState.ERROR,MachineState.ERROR,    12,    12,    12,    12,MachineState.ERROR,MachineState.ERROR,#90-97
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#98-9f
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,    12,MachineState.ERROR,MachineState.ERROR,#a0-a7
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#a8-af
+    MachineState.ERROR,MachineState.ERROR,    12,    12,    12,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b0-b7
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b8-bf
+    MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,#c0-c7
+    MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR #c8-cf
+)
+# fmt: on
+
+UTF8_CHAR_LEN_TABLE = (0, 1, 0, 0, 0, 0, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6)
+
+UTF8_SM_MODEL: CodingStateMachineDict = {
+    "class_table": UTF8_CLS,
+    "class_factor": 16,
+    "state_table": UTF8_ST,
+    "char_len_table": UTF8_CHAR_LEN_TABLE,
+    "name": "UTF-8",
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/__init__.py
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..d578cfa0
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/__pycache__/languages.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/__pycache__/languages.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/languages.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/languages.py
new file mode 100644
index 00000000..eb40c5f0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/metadata/languages.py
@@ -0,0 +1,352 @@
+"""
+Metadata about languages used by our model training code for our
+SingleByteCharSetProbers.  Could be used for other things in the future.
+
+This code is based on the language metadata from the uchardet project.
+"""
+
+from string import ascii_letters
+from typing import List, Optional
+
+# TODO: Add Ukrainian (KOI8-U)
+
+
+class Language:
+    """Metadata about a language useful for training models
+
+    :ivar name: The human name for the language, in English.
+    :type name: str
+    :ivar iso_code: 2-letter ISO 639-1 if possible, 3-letter ISO code otherwise,
+                    or use another catalog as a last resort.
+    :type iso_code: str
+    :ivar use_ascii: Whether or not ASCII letters should be included in trained
+                     models.
+    :type use_ascii: bool
+    :ivar charsets: The charsets we want to support and create data for.
+    :type charsets: list of str
+    :ivar alphabet: The characters in the language's alphabet. If `use_ascii` is
+                    `True`, you only need to add those not in the ASCII set.
+    :type alphabet: str
+    :ivar wiki_start_pages: The Wikipedia pages to start from if we're crawling
+                            Wikipedia for training data.
+    :type wiki_start_pages: list of str
+    """
+
+    def __init__(
+        self,
+        name: Optional[str] = None,
+        iso_code: Optional[str] = None,
+        use_ascii: bool = True,
+        charsets: Optional[List[str]] = None,
+        alphabet: Optional[str] = None,
+        wiki_start_pages: Optional[List[str]] = None,
+    ) -> None:
+        super().__init__()
+        self.name = name
+        self.iso_code = iso_code
+        self.use_ascii = use_ascii
+        self.charsets = charsets
+        if self.use_ascii:
+            if alphabet:
+                alphabet += ascii_letters
+            else:
+                alphabet = ascii_letters
+        elif not alphabet:
+            raise ValueError("Must supply alphabet if use_ascii is False")
+        self.alphabet = "".join(sorted(set(alphabet))) if alphabet else None
+        self.wiki_start_pages = wiki_start_pages
+
+    def __repr__(self) -> str:
+        param_str = ", ".join(
+            f"{k}={v!r}" for k, v in self.__dict__.items() if not k.startswith("_")
+        )
+        return f"{self.__class__.__name__}({param_str})"
+
+
+LANGUAGES = {
+    "Arabic": Language(
+        name="Arabic",
+        iso_code="ar",
+        use_ascii=False,
+        # We only support encodings that use isolated
+        # forms, because the current recommendation is
+        # that the rendering system handles presentation
+        # forms. This means we purposefully skip IBM864.
+        charsets=["ISO-8859-6", "WINDOWS-1256", "CP720", "CP864"],
+        alphabet="ءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّ",
+        wiki_start_pages=["الصفحة_الرئيسية"],
+    ),
+    "Belarusian": Language(
+        name="Belarusian",
+        iso_code="be",
+        use_ascii=False,
+        charsets=["ISO-8859-5", "WINDOWS-1251", "IBM866", "MacCyrillic"],
+        alphabet="АБВГДЕЁЖЗІЙКЛМНОПРСТУЎФХЦЧШЫЬЭЮЯабвгдеёжзійклмнопрстуўфхцчшыьэюяʼ",
+        wiki_start_pages=["Галоўная_старонка"],
+    ),
+    "Bulgarian": Language(
+        name="Bulgarian",
+        iso_code="bg",
+        use_ascii=False,
+        charsets=["ISO-8859-5", "WINDOWS-1251", "IBM855"],
+        alphabet="АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЮЯабвгдежзийклмнопрстуфхцчшщъьюя",
+        wiki_start_pages=["Начална_страница"],
+    ),
+    "Czech": Language(
+        name="Czech",
+        iso_code="cz",
+        use_ascii=True,
+        charsets=["ISO-8859-2", "WINDOWS-1250"],
+        alphabet="áčďéěíňóřšťúůýžÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ",
+        wiki_start_pages=["Hlavní_strana"],
+    ),
+    "Danish": Language(
+        name="Danish",
+        iso_code="da",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "ISO-8859-15", "WINDOWS-1252", "MacRoman"],
+        alphabet="æøåÆØÅ",
+        wiki_start_pages=["Forside"],
+    ),
+    "German": Language(
+        name="German",
+        iso_code="de",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "ISO-8859-15", "WINDOWS-1252", "MacRoman"],
+        alphabet="äöüßẞÄÖÜ",
+        wiki_start_pages=["Wikipedia:Hauptseite"],
+    ),
+    "Greek": Language(
+        name="Greek",
+        iso_code="el",
+        use_ascii=False,
+        charsets=["ISO-8859-7", "WINDOWS-1253"],
+        alphabet="αβγδεζηθικλμνξοπρσςτυφχψωάέήίόύώΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΣΤΥΦΧΨΩΆΈΉΊΌΎΏ",
+        wiki_start_pages=["Πύλη:Κύρια"],
+    ),
+    "English": Language(
+        name="English",
+        iso_code="en",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "WINDOWS-1252", "MacRoman"],
+        wiki_start_pages=["Main_Page"],
+    ),
+    "Esperanto": Language(
+        name="Esperanto",
+        iso_code="eo",
+        # Q, W, X, and Y not used at all
+        use_ascii=False,
+        charsets=["ISO-8859-3"],
+        alphabet="abcĉdefgĝhĥijĵklmnoprsŝtuŭvzABCĈDEFGĜHĤIJĴKLMNOPRSŜTUŬVZ",
+        wiki_start_pages=["Vikipedio:Ĉefpaĝo"],
+    ),
+    "Spanish": Language(
+        name="Spanish",
+        iso_code="es",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "ISO-8859-15", "WINDOWS-1252", "MacRoman"],
+        alphabet="ñáéíóúüÑÁÉÍÓÚÜ",
+        wiki_start_pages=["Wikipedia:Portada"],
+    ),
+    "Estonian": Language(
+        name="Estonian",
+        iso_code="et",
+        use_ascii=False,
+        charsets=["ISO-8859-4", "ISO-8859-13", "WINDOWS-1257"],
+        # C, F, Š, Q, W, X, Y, Z, Ž are only for
+        # loanwords
+        alphabet="ABDEGHIJKLMNOPRSTUVÕÄÖÜabdeghijklmnoprstuvõäöü",
+        wiki_start_pages=["Esileht"],
+    ),
+    "Finnish": Language(
+        name="Finnish",
+        iso_code="fi",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "ISO-8859-15", "WINDOWS-1252", "MacRoman"],
+        alphabet="ÅÄÖŠŽåäöšž",
+        wiki_start_pages=["Wikipedia:Etusivu"],
+    ),
+    "French": Language(
+        name="French",
+        iso_code="fr",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "ISO-8859-15", "WINDOWS-1252", "MacRoman"],
+        alphabet="œàâçèéîïùûêŒÀÂÇÈÉÎÏÙÛÊ",
+        wiki_start_pages=["Wikipédia:Accueil_principal", "Bœuf (animal)"],
+    ),
+    "Hebrew": Language(
+        name="Hebrew",
+        iso_code="he",
+        use_ascii=False,
+        charsets=["ISO-8859-8", "WINDOWS-1255"],
+        alphabet="אבגדהוזחטיךכלםמןנסעףפץצקרשתװױײ",
+        wiki_start_pages=["עמוד_ראשי"],
+    ),
+    "Croatian": Language(
+        name="Croatian",
+        iso_code="hr",
+        # Q, W, X, Y are only used for foreign words.
+        use_ascii=False,
+        charsets=["ISO-8859-2", "WINDOWS-1250"],
+        alphabet="abcčćdđefghijklmnoprsštuvzžABCČĆDĐEFGHIJKLMNOPRSŠTUVZŽ",
+        wiki_start_pages=["Glavna_stranica"],
+    ),
+    "Hungarian": Language(
+        name="Hungarian",
+        iso_code="hu",
+        # Q, W, X, Y are only used for foreign words.
+        use_ascii=False,
+        charsets=["ISO-8859-2", "WINDOWS-1250"],
+        alphabet="abcdefghijklmnoprstuvzáéíóöőúüűABCDEFGHIJKLMNOPRSTUVZÁÉÍÓÖŐÚÜŰ",
+        wiki_start_pages=["Kezdőlap"],
+    ),
+    "Italian": Language(
+        name="Italian",
+        iso_code="it",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "ISO-8859-15", "WINDOWS-1252", "MacRoman"],
+        alphabet="ÀÈÉÌÒÓÙàèéìòóù",
+        wiki_start_pages=["Pagina_principale"],
+    ),
+    "Lithuanian": Language(
+        name="Lithuanian",
+        iso_code="lt",
+        use_ascii=False,
+        charsets=["ISO-8859-13", "WINDOWS-1257", "ISO-8859-4"],
+        # Q, W, and X not used at all
+        alphabet="AĄBCČDEĘĖFGHIĮYJKLMNOPRSŠTUŲŪVZŽaąbcčdeęėfghiįyjklmnoprsštuųūvzž",
+        wiki_start_pages=["Pagrindinis_puslapis"],
+    ),
+    "Latvian": Language(
+        name="Latvian",
+        iso_code="lv",
+        use_ascii=False,
+        charsets=["ISO-8859-13", "WINDOWS-1257", "ISO-8859-4"],
+        # Q, W, X, Y are only for loanwords
+        alphabet="AĀBCČDEĒFGĢHIĪJKĶLĻMNŅOPRSŠTUŪVZŽaābcčdeēfgģhiījkķlļmnņoprsštuūvzž",
+        wiki_start_pages=["Sākumlapa"],
+    ),
+    "Macedonian": Language(
+        name="Macedonian",
+        iso_code="mk",
+        use_ascii=False,
+        charsets=["ISO-8859-5", "WINDOWS-1251", "MacCyrillic", "IBM855"],
+        alphabet="АБВГДЃЕЖЗЅИЈКЛЉМНЊОПРСТЌУФХЦЧЏШабвгдѓежзѕијклљмнњопрстќуфхцчџш",
+        wiki_start_pages=["Главна_страница"],
+    ),
+    "Dutch": Language(
+        name="Dutch",
+        iso_code="nl",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "WINDOWS-1252", "MacRoman"],
+        wiki_start_pages=["Hoofdpagina"],
+    ),
+    "Polish": Language(
+        name="Polish",
+        iso_code="pl",
+        # Q and X are only used for foreign words.
+        use_ascii=False,
+        charsets=["ISO-8859-2", "WINDOWS-1250"],
+        alphabet="AĄBCĆDEĘFGHIJKLŁMNŃOÓPRSŚTUWYZŹŻaąbcćdeęfghijklłmnńoóprsśtuwyzźż",
+        wiki_start_pages=["Wikipedia:Strona_główna"],
+    ),
+    "Portuguese": Language(
+        name="Portuguese",
+        iso_code="pt",
+        use_ascii=True,
+        charsets=["ISO-8859-1", "ISO-8859-15", "WINDOWS-1252", "MacRoman"],
+        alphabet="ÁÂÃÀÇÉÊÍÓÔÕÚáâãàçéêíóôõú",
+        wiki_start_pages=["Wikipédia:Página_principal"],
+    ),
+    "Romanian": Language(
+        name="Romanian",
+        iso_code="ro",
+        use_ascii=True,
+        charsets=["ISO-8859-2", "WINDOWS-1250"],
+        alphabet="ăâîșțĂÂÎȘȚ",
+        wiki_start_pages=["Pagina_principală"],
+    ),
+    "Russian": Language(
+        name="Russian",
+        iso_code="ru",
+        use_ascii=False,
+        charsets=[
+            "ISO-8859-5",
+            "WINDOWS-1251",
+            "KOI8-R",
+            "MacCyrillic",
+            "IBM866",
+            "IBM855",
+        ],
+        alphabet="абвгдеёжзийклмнопрстуфхцчшщъыьэюяАБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ",
+        wiki_start_pages=["Заглавная_страница"],
+    ),
+    "Slovak": Language(
+        name="Slovak",
+        iso_code="sk",
+        use_ascii=True,
+        charsets=["ISO-8859-2", "WINDOWS-1250"],
+        alphabet="áäčďéíĺľňóôŕšťúýžÁÄČĎÉÍĹĽŇÓÔŔŠŤÚÝŽ",
+        wiki_start_pages=["Hlavná_stránka"],
+    ),
+    "Slovene": Language(
+        name="Slovene",
+        iso_code="sl",
+        # Q, W, X, Y are only used for foreign words.
+        use_ascii=False,
+        charsets=["ISO-8859-2", "WINDOWS-1250"],
+        alphabet="abcčdefghijklmnoprsštuvzžABCČDEFGHIJKLMNOPRSŠTUVZŽ",
+        wiki_start_pages=["Glavna_stran"],
+    ),
+    # Serbian can be written in both Latin and Cyrillic, but there's no
+    # simple way to get the Latin alphabet pages from Wikipedia through
+    # the API, so for now we just support Cyrillic.
+    "Serbian": Language(
+        name="Serbian",
+        iso_code="sr",
+        alphabet="АБВГДЂЕЖЗИЈКЛЉМНЊОПРСТЋУФХЦЧЏШабвгдђежзијклљмнњопрстћуфхцчџш",
+        charsets=["ISO-8859-5", "WINDOWS-1251", "MacCyrillic", "IBM855"],
+        wiki_start_pages=["Главна_страна"],
+    ),
+    "Thai": Language(
+        name="Thai",
+        iso_code="th",
+        use_ascii=False,
+        charsets=["ISO-8859-11", "TIS-620", "CP874"],
+        alphabet="กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛",
+        wiki_start_pages=["หน้าหลัก"],
+    ),
+    "Turkish": Language(
+        name="Turkish",
+        iso_code="tr",
+        # Q, W, and X are not used by Turkish
+        use_ascii=False,
+        charsets=["ISO-8859-3", "ISO-8859-9", "WINDOWS-1254"],
+        alphabet="abcçdefgğhıijklmnoöprsştuüvyzâîûABCÇDEFGĞHIİJKLMNOÖPRSŞTUÜVYZÂÎÛ",
+        wiki_start_pages=["Ana_Sayfa"],
+    ),
+    "Vietnamese": Language(
+        name="Vietnamese",
+        iso_code="vi",
+        use_ascii=False,
+        # Windows-1258 is the only common 8-bit
+        # Vietnamese encoding supported by Python.
+        # From Wikipedia:
+        # For systems that lack support for Unicode,
+        # dozens of 8-bit Vietnamese code pages are
+        # available.[1] The most common are VISCII
+        # (TCVN 5712:1993), VPS, and Windows-1258.[3]
+        # Where ASCII is required, such as when
+        # ensuring readability in plain text e-mail,
+        # Vietnamese letters are often encoded
+        # according to Vietnamese Quoted-Readable
+        # (VIQR) or VSCII Mnemonic (VSCII-MNEM),[4]
+        # though usage of either variable-width
+        # scheme has declined dramatically following
+        # the adoption of Unicode on the World Wide
+        # Web.
+        charsets=["WINDOWS-1258"],
+        alphabet="aăâbcdđeêghiklmnoôơpqrstuưvxyAĂÂBCDĐEÊGHIKLMNOÔƠPQRSTUƯVXY",
+        wiki_start_pages=["Chữ_Quốc_ngữ"],
+    ),
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/resultdict.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/resultdict.py
new file mode 100644
index 00000000..7d36e64c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/resultdict.py
@@ -0,0 +1,16 @@
+from typing import TYPE_CHECKING, Optional
+
+if TYPE_CHECKING:
+    # TypedDict was introduced in Python 3.8.
+    #
+    # TODO: Remove the else block and TYPE_CHECKING check when dropping support
+    # for Python 3.7.
+    from typing import TypedDict
+
+    class ResultDict(TypedDict):
+        encoding: Optional[str]
+        confidence: float
+        language: Optional[str]
+
+else:
+    ResultDict = dict
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sbcharsetprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sbcharsetprober.py
new file mode 100644
index 00000000..0ffbcdd2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sbcharsetprober.py
@@ -0,0 +1,162 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Dict, List, NamedTuple, Optional, Union
+
+from .charsetprober import CharSetProber
+from .enums import CharacterCategory, ProbingState, SequenceLikelihood
+
+
+class SingleByteCharSetModel(NamedTuple):
+    charset_name: str
+    language: str
+    char_to_order_map: Dict[int, int]
+    language_model: Dict[int, Dict[int, int]]
+    typical_positive_ratio: float
+    keep_ascii_letters: bool
+    alphabet: str
+
+
+class SingleByteCharSetProber(CharSetProber):
+    SAMPLE_SIZE = 64
+    SB_ENOUGH_REL_THRESHOLD = 1024  # 0.25 * SAMPLE_SIZE^2
+    POSITIVE_SHORTCUT_THRESHOLD = 0.95
+    NEGATIVE_SHORTCUT_THRESHOLD = 0.05
+
+    def __init__(
+        self,
+        model: SingleByteCharSetModel,
+        is_reversed: bool = False,
+        name_prober: Optional[CharSetProber] = None,
+    ) -> None:
+        super().__init__()
+        self._model = model
+        # TRUE if we need to reverse every pair in the model lookup
+        self._reversed = is_reversed
+        # Optional auxiliary prober for name decision
+        self._name_prober = name_prober
+        self._last_order = 255
+        self._seq_counters: List[int] = []
+        self._total_seqs = 0
+        self._total_char = 0
+        self._control_char = 0
+        self._freq_char = 0
+        self.reset()
+
+    def reset(self) -> None:
+        super().reset()
+        # char order of last character
+        self._last_order = 255
+        self._seq_counters = [0] * SequenceLikelihood.get_num_categories()
+        self._total_seqs = 0
+        self._total_char = 0
+        self._control_char = 0
+        # characters that fall in our sampling range
+        self._freq_char = 0
+
+    @property
+    def charset_name(self) -> Optional[str]:
+        if self._name_prober:
+            return self._name_prober.charset_name
+        return self._model.charset_name
+
+    @property
+    def language(self) -> Optional[str]:
+        if self._name_prober:
+            return self._name_prober.language
+        return self._model.language
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        # TODO: Make filter_international_words keep things in self.alphabet
+        if not self._model.keep_ascii_letters:
+            byte_str = self.filter_international_words(byte_str)
+        else:
+            byte_str = self.remove_xml_tags(byte_str)
+        if not byte_str:
+            return self.state
+        char_to_order_map = self._model.char_to_order_map
+        language_model = self._model.language_model
+        for char in byte_str:
+            order = char_to_order_map.get(char, CharacterCategory.UNDEFINED)
+            # XXX: This was SYMBOL_CAT_ORDER before, with a value of 250, but
+            #      CharacterCategory.SYMBOL is actually 253, so we use CONTROL
+            #      to make it closer to the original intent. The only difference
+            #      is whether or not we count digits and control characters for
+            #      _total_char purposes.
+            if order < CharacterCategory.CONTROL:
+                self._total_char += 1
+            if order < self.SAMPLE_SIZE:
+                self._freq_char += 1
+                if self._last_order < self.SAMPLE_SIZE:
+                    self._total_seqs += 1
+                    if not self._reversed:
+                        lm_cat = language_model[self._last_order][order]
+                    else:
+                        lm_cat = language_model[order][self._last_order]
+                    self._seq_counters[lm_cat] += 1
+            self._last_order = order
+
+        charset_name = self._model.charset_name
+        if self.state == ProbingState.DETECTING:
+            if self._total_seqs > self.SB_ENOUGH_REL_THRESHOLD:
+                confidence = self.get_confidence()
+                if confidence > self.POSITIVE_SHORTCUT_THRESHOLD:
+                    self.logger.debug(
+                        "%s confidence = %s, we have a winner", charset_name, confidence
+                    )
+                    self._state = ProbingState.FOUND_IT
+                elif confidence < self.NEGATIVE_SHORTCUT_THRESHOLD:
+                    self.logger.debug(
+                        "%s confidence = %s, below negative shortcut threshold %s",
+                        charset_name,
+                        confidence,
+                        self.NEGATIVE_SHORTCUT_THRESHOLD,
+                    )
+                    self._state = ProbingState.NOT_ME
+
+        return self.state
+
+    def get_confidence(self) -> float:
+        r = 0.01
+        if self._total_seqs > 0:
+            r = (
+                (
+                    self._seq_counters[SequenceLikelihood.POSITIVE]
+                    + 0.25 * self._seq_counters[SequenceLikelihood.LIKELY]
+                )
+                / self._total_seqs
+                / self._model.typical_positive_ratio
+            )
+            # The more control characters (proportionnaly to the size
+            # of the text), the less confident we become in the current
+            # charset.
+            r = r * (self._total_char - self._control_char) / self._total_char
+            r = r * self._freq_char / self._total_char
+            if r >= 1.0:
+                r = 0.99
+        return r
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sbcsgroupprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sbcsgroupprober.py
new file mode 100644
index 00000000..890ae846
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sbcsgroupprober.py
@@ -0,0 +1,88 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .charsetgroupprober import CharSetGroupProber
+from .hebrewprober import HebrewProber
+from .langbulgarianmodel import ISO_8859_5_BULGARIAN_MODEL, WINDOWS_1251_BULGARIAN_MODEL
+from .langgreekmodel import ISO_8859_7_GREEK_MODEL, WINDOWS_1253_GREEK_MODEL
+from .langhebrewmodel import WINDOWS_1255_HEBREW_MODEL
+
+# from .langhungarianmodel import (ISO_8859_2_HUNGARIAN_MODEL,
+#                                  WINDOWS_1250_HUNGARIAN_MODEL)
+from .langrussianmodel import (
+    IBM855_RUSSIAN_MODEL,
+    IBM866_RUSSIAN_MODEL,
+    ISO_8859_5_RUSSIAN_MODEL,
+    KOI8_R_RUSSIAN_MODEL,
+    MACCYRILLIC_RUSSIAN_MODEL,
+    WINDOWS_1251_RUSSIAN_MODEL,
+)
+from .langthaimodel import TIS_620_THAI_MODEL
+from .langturkishmodel import ISO_8859_9_TURKISH_MODEL
+from .sbcharsetprober import SingleByteCharSetProber
+
+
+class SBCSGroupProber(CharSetGroupProber):
+    def __init__(self) -> None:
+        super().__init__()
+        hebrew_prober = HebrewProber()
+        logical_hebrew_prober = SingleByteCharSetProber(
+            WINDOWS_1255_HEBREW_MODEL, is_reversed=False, name_prober=hebrew_prober
+        )
+        # TODO: See if using ISO-8859-8 Hebrew model works better here, since
+        #       it's actually the visual one
+        visual_hebrew_prober = SingleByteCharSetProber(
+            WINDOWS_1255_HEBREW_MODEL, is_reversed=True, name_prober=hebrew_prober
+        )
+        hebrew_prober.set_model_probers(logical_hebrew_prober, visual_hebrew_prober)
+        # TODO: ORDER MATTERS HERE. I changed the order vs what was in master
+        #       and several tests failed that did not before. Some thought
+        #       should be put into the ordering, and we should consider making
+        #       order not matter here, because that is very counter-intuitive.
+        self.probers = [
+            SingleByteCharSetProber(WINDOWS_1251_RUSSIAN_MODEL),
+            SingleByteCharSetProber(KOI8_R_RUSSIAN_MODEL),
+            SingleByteCharSetProber(ISO_8859_5_RUSSIAN_MODEL),
+            SingleByteCharSetProber(MACCYRILLIC_RUSSIAN_MODEL),
+            SingleByteCharSetProber(IBM866_RUSSIAN_MODEL),
+            SingleByteCharSetProber(IBM855_RUSSIAN_MODEL),
+            SingleByteCharSetProber(ISO_8859_7_GREEK_MODEL),
+            SingleByteCharSetProber(WINDOWS_1253_GREEK_MODEL),
+            SingleByteCharSetProber(ISO_8859_5_BULGARIAN_MODEL),
+            SingleByteCharSetProber(WINDOWS_1251_BULGARIAN_MODEL),
+            # TODO: Restore Hungarian encodings (iso-8859-2 and windows-1250)
+            #       after we retrain model.
+            # SingleByteCharSetProber(ISO_8859_2_HUNGARIAN_MODEL),
+            # SingleByteCharSetProber(WINDOWS_1250_HUNGARIAN_MODEL),
+            SingleByteCharSetProber(TIS_620_THAI_MODEL),
+            SingleByteCharSetProber(ISO_8859_9_TURKISH_MODEL),
+            hebrew_prober,
+            logical_hebrew_prober,
+            visual_hebrew_prober,
+        ]
+        self.reset()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sjisprober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sjisprober.py
new file mode 100644
index 00000000..91df0779
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/sjisprober.py
@@ -0,0 +1,105 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Union
+
+from .chardistribution import SJISDistributionAnalysis
+from .codingstatemachine import CodingStateMachine
+from .enums import MachineState, ProbingState
+from .jpcntx import SJISContextAnalysis
+from .mbcharsetprober import MultiByteCharSetProber
+from .mbcssm import SJIS_SM_MODEL
+
+
+class SJISProber(MultiByteCharSetProber):
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(SJIS_SM_MODEL)
+        self.distribution_analyzer = SJISDistributionAnalysis()
+        self.context_analyzer = SJISContextAnalysis()
+        self.reset()
+
+    def reset(self) -> None:
+        super().reset()
+        self.context_analyzer.reset()
+
+    @property
+    def charset_name(self) -> str:
+        return self.context_analyzer.charset_name
+
+    @property
+    def language(self) -> str:
+        return "Japanese"
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        assert self.coding_sm is not None
+        assert self.distribution_analyzer is not None
+
+        for i, byte in enumerate(byte_str):
+            coding_state = self.coding_sm.next_state(byte)
+            if coding_state == MachineState.ERROR:
+                self.logger.debug(
+                    "%s %s prober hit error at byte %s",
+                    self.charset_name,
+                    self.language,
+                    i,
+                )
+                self._state = ProbingState.NOT_ME
+                break
+            if coding_state == MachineState.ITS_ME:
+                self._state = ProbingState.FOUND_IT
+                break
+            if coding_state == MachineState.START:
+                char_len = self.coding_sm.get_current_charlen()
+                if i == 0:
+                    self._last_char[1] = byte
+                    self.context_analyzer.feed(
+                        self._last_char[2 - char_len :], char_len
+                    )
+                    self.distribution_analyzer.feed(self._last_char, char_len)
+                else:
+                    self.context_analyzer.feed(
+                        byte_str[i + 1 - char_len : i + 3 - char_len], char_len
+                    )
+                    self.distribution_analyzer.feed(byte_str[i - 1 : i + 1], char_len)
+
+        self._last_char[0] = byte_str[-1]
+
+        if self.state == ProbingState.DETECTING:
+            if self.context_analyzer.got_enough_data() and (
+                self.get_confidence() > self.SHORTCUT_THRESHOLD
+            ):
+                self._state = ProbingState.FOUND_IT
+
+        return self.state
+
+    def get_confidence(self) -> float:
+        assert self.distribution_analyzer is not None
+
+        context_conf = self.context_analyzer.get_confidence()
+        distrib_conf = self.distribution_analyzer.get_confidence()
+        return max(context_conf, distrib_conf)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/universaldetector.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/universaldetector.py
new file mode 100644
index 00000000..30c441dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/universaldetector.py
@@ -0,0 +1,362 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Universal charset detector code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2001
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#   Shy Shalom - original C code
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+"""
+Module containing the UniversalDetector detector class, which is the primary
+class a user of ``chardet`` should use.
+
+:author: Mark Pilgrim (initial port to Python)
+:author: Shy Shalom (original C code)
+:author: Dan Blanchard (major refactoring for 3.0)
+:author: Ian Cordasco
+"""
+
+
+import codecs
+import logging
+import re
+from typing import List, Optional, Union
+
+from .charsetgroupprober import CharSetGroupProber
+from .charsetprober import CharSetProber
+from .enums import InputState, LanguageFilter, ProbingState
+from .escprober import EscCharSetProber
+from .latin1prober import Latin1Prober
+from .macromanprober import MacRomanProber
+from .mbcsgroupprober import MBCSGroupProber
+from .resultdict import ResultDict
+from .sbcsgroupprober import SBCSGroupProber
+from .utf1632prober import UTF1632Prober
+
+
+class UniversalDetector:
+    """
+    The ``UniversalDetector`` class underlies the ``chardet.detect`` function
+    and coordinates all of the different charset probers.
+
+    To get a ``dict`` containing an encoding and its confidence, you can simply
+    run:
+
+    .. code::
+
+            u = UniversalDetector()
+            u.feed(some_bytes)
+            u.close()
+            detected = u.result
+
+    """
+
+    MINIMUM_THRESHOLD = 0.20
+    HIGH_BYTE_DETECTOR = re.compile(b"[\x80-\xFF]")
+    ESC_DETECTOR = re.compile(b"(\033|~{)")
+    WIN_BYTE_DETECTOR = re.compile(b"[\x80-\x9F]")
+    ISO_WIN_MAP = {
+        "iso-8859-1": "Windows-1252",
+        "iso-8859-2": "Windows-1250",
+        "iso-8859-5": "Windows-1251",
+        "iso-8859-6": "Windows-1256",
+        "iso-8859-7": "Windows-1253",
+        "iso-8859-8": "Windows-1255",
+        "iso-8859-9": "Windows-1254",
+        "iso-8859-13": "Windows-1257",
+    }
+    # Based on https://encoding.spec.whatwg.org/#names-and-labels
+    # but altered to match Python names for encodings and remove mappings
+    # that break tests.
+    LEGACY_MAP = {
+        "ascii": "Windows-1252",
+        "iso-8859-1": "Windows-1252",
+        "tis-620": "ISO-8859-11",
+        "iso-8859-9": "Windows-1254",
+        "gb2312": "GB18030",
+        "euc-kr": "CP949",
+        "utf-16le": "UTF-16",
+    }
+
+    def __init__(
+        self,
+        lang_filter: LanguageFilter = LanguageFilter.ALL,
+        should_rename_legacy: bool = False,
+    ) -> None:
+        self._esc_charset_prober: Optional[EscCharSetProber] = None
+        self._utf1632_prober: Optional[UTF1632Prober] = None
+        self._charset_probers: List[CharSetProber] = []
+        self.result: ResultDict = {
+            "encoding": None,
+            "confidence": 0.0,
+            "language": None,
+        }
+        self.done = False
+        self._got_data = False
+        self._input_state = InputState.PURE_ASCII
+        self._last_char = b""
+        self.lang_filter = lang_filter
+        self.logger = logging.getLogger(__name__)
+        self._has_win_bytes = False
+        self.should_rename_legacy = should_rename_legacy
+        self.reset()
+
+    @property
+    def input_state(self) -> int:
+        return self._input_state
+
+    @property
+    def has_win_bytes(self) -> bool:
+        return self._has_win_bytes
+
+    @property
+    def charset_probers(self) -> List[CharSetProber]:
+        return self._charset_probers
+
+    def reset(self) -> None:
+        """
+        Reset the UniversalDetector and all of its probers back to their
+        initial states.  This is called by ``__init__``, so you only need to
+        call this directly in between analyses of different documents.
+        """
+        self.result = {"encoding": None, "confidence": 0.0, "language": None}
+        self.done = False
+        self._got_data = False
+        self._has_win_bytes = False
+        self._input_state = InputState.PURE_ASCII
+        self._last_char = b""
+        if self._esc_charset_prober:
+            self._esc_charset_prober.reset()
+        if self._utf1632_prober:
+            self._utf1632_prober.reset()
+        for prober in self._charset_probers:
+            prober.reset()
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> None:
+        """
+        Takes a chunk of a document and feeds it through all of the relevant
+        charset probers.
+
+        After calling ``feed``, you can check the value of the ``done``
+        attribute to see if you need to continue feeding the
+        ``UniversalDetector`` more data, or if it has made a prediction
+        (in the ``result`` attribute).
+
+        .. note::
+           You should always call ``close`` when you're done feeding in your
+           document if ``done`` is not already ``True``.
+        """
+        if self.done:
+            return
+
+        if not byte_str:
+            return
+
+        if not isinstance(byte_str, bytearray):
+            byte_str = bytearray(byte_str)
+
+        # First check for known BOMs, since these are guaranteed to be correct
+        if not self._got_data:
+            # If the data starts with BOM, we know it is UTF
+            if byte_str.startswith(codecs.BOM_UTF8):
+                # EF BB BF  UTF-8 with BOM
+                self.result = {
+                    "encoding": "UTF-8-SIG",
+                    "confidence": 1.0,
+                    "language": "",
+                }
+            elif byte_str.startswith((codecs.BOM_UTF32_LE, codecs.BOM_UTF32_BE)):
+                # FF FE 00 00  UTF-32, little-endian BOM
+                # 00 00 FE FF  UTF-32, big-endian BOM
+                self.result = {"encoding": "UTF-32", "confidence": 1.0, "language": ""}
+            elif byte_str.startswith(b"\xFE\xFF\x00\x00"):
+                # FE FF 00 00  UCS-4, unusual octet order BOM (3412)
+                self.result = {
+                    # TODO: This encoding is not supported by Python. Should remove?
+                    "encoding": "X-ISO-10646-UCS-4-3412",
+                    "confidence": 1.0,
+                    "language": "",
+                }
+            elif byte_str.startswith(b"\x00\x00\xFF\xFE"):
+                # 00 00 FF FE  UCS-4, unusual octet order BOM (2143)
+                self.result = {
+                    # TODO: This encoding is not supported by Python. Should remove?
+                    "encoding": "X-ISO-10646-UCS-4-2143",
+                    "confidence": 1.0,
+                    "language": "",
+                }
+            elif byte_str.startswith((codecs.BOM_LE, codecs.BOM_BE)):
+                # FF FE  UTF-16, little endian BOM
+                # FE FF  UTF-16, big endian BOM
+                self.result = {"encoding": "UTF-16", "confidence": 1.0, "language": ""}
+
+            self._got_data = True
+            if self.result["encoding"] is not None:
+                self.done = True
+                return
+
+        # If none of those matched and we've only see ASCII so far, check
+        # for high bytes and escape sequences
+        if self._input_state == InputState.PURE_ASCII:
+            if self.HIGH_BYTE_DETECTOR.search(byte_str):
+                self._input_state = InputState.HIGH_BYTE
+            elif (
+                self._input_state == InputState.PURE_ASCII
+                and self.ESC_DETECTOR.search(self._last_char + byte_str)
+            ):
+                self._input_state = InputState.ESC_ASCII
+
+        self._last_char = byte_str[-1:]
+
+        # next we will look to see if it is appears to be either a UTF-16 or
+        # UTF-32 encoding
+        if not self._utf1632_prober:
+            self._utf1632_prober = UTF1632Prober()
+
+        if self._utf1632_prober.state == ProbingState.DETECTING:
+            if self._utf1632_prober.feed(byte_str) == ProbingState.FOUND_IT:
+                self.result = {
+                    "encoding": self._utf1632_prober.charset_name,
+                    "confidence": self._utf1632_prober.get_confidence(),
+                    "language": "",
+                }
+                self.done = True
+                return
+
+        # If we've seen escape sequences, use the EscCharSetProber, which
+        # uses a simple state machine to check for known escape sequences in
+        # HZ and ISO-2022 encodings, since those are the only encodings that
+        # use such sequences.
+        if self._input_state == InputState.ESC_ASCII:
+            if not self._esc_charset_prober:
+                self._esc_charset_prober = EscCharSetProber(self.lang_filter)
+            if self._esc_charset_prober.feed(byte_str) == ProbingState.FOUND_IT:
+                self.result = {
+                    "encoding": self._esc_charset_prober.charset_name,
+                    "confidence": self._esc_charset_prober.get_confidence(),
+                    "language": self._esc_charset_prober.language,
+                }
+                self.done = True
+        # If we've seen high bytes (i.e., those with values greater than 127),
+        # we need to do more complicated checks using all our multi-byte and
+        # single-byte probers that are left.  The single-byte probers
+        # use character bigram distributions to determine the encoding, whereas
+        # the multi-byte probers use a combination of character unigram and
+        # bigram distributions.
+        elif self._input_state == InputState.HIGH_BYTE:
+            if not self._charset_probers:
+                self._charset_probers = [MBCSGroupProber(self.lang_filter)]
+                # If we're checking non-CJK encodings, use single-byte prober
+                if self.lang_filter & LanguageFilter.NON_CJK:
+                    self._charset_probers.append(SBCSGroupProber())
+                self._charset_probers.append(Latin1Prober())
+                self._charset_probers.append(MacRomanProber())
+            for prober in self._charset_probers:
+                if prober.feed(byte_str) == ProbingState.FOUND_IT:
+                    self.result = {
+                        "encoding": prober.charset_name,
+                        "confidence": prober.get_confidence(),
+                        "language": prober.language,
+                    }
+                    self.done = True
+                    break
+            if self.WIN_BYTE_DETECTOR.search(byte_str):
+                self._has_win_bytes = True
+
+    def close(self) -> ResultDict:
+        """
+        Stop analyzing the current document and come up with a final
+        prediction.
+
+        :returns:  The ``result`` attribute, a ``dict`` with the keys
+                   `encoding`, `confidence`, and `language`.
+        """
+        # Don't bother with checks if we're already done
+        if self.done:
+            return self.result
+        self.done = True
+
+        if not self._got_data:
+            self.logger.debug("no data received!")
+
+        # Default to ASCII if it is all we've seen so far
+        elif self._input_state == InputState.PURE_ASCII:
+            self.result = {"encoding": "ascii", "confidence": 1.0, "language": ""}
+
+        # If we have seen non-ASCII, return the best that met MINIMUM_THRESHOLD
+        elif self._input_state == InputState.HIGH_BYTE:
+            prober_confidence = None
+            max_prober_confidence = 0.0
+            max_prober = None
+            for prober in self._charset_probers:
+                if not prober:
+                    continue
+                prober_confidence = prober.get_confidence()
+                if prober_confidence > max_prober_confidence:
+                    max_prober_confidence = prober_confidence
+                    max_prober = prober
+            if max_prober and (max_prober_confidence > self.MINIMUM_THRESHOLD):
+                charset_name = max_prober.charset_name
+                assert charset_name is not None
+                lower_charset_name = charset_name.lower()
+                confidence = max_prober.get_confidence()
+                # Use Windows encoding name instead of ISO-8859 if we saw any
+                # extra Windows-specific bytes
+                if lower_charset_name.startswith("iso-8859"):
+                    if self._has_win_bytes:
+                        charset_name = self.ISO_WIN_MAP.get(
+                            lower_charset_name, charset_name
+                        )
+                # Rename legacy encodings with superset encodings if asked
+                if self.should_rename_legacy:
+                    charset_name = self.LEGACY_MAP.get(
+                        (charset_name or "").lower(), charset_name
+                    )
+                self.result = {
+                    "encoding": charset_name,
+                    "confidence": confidence,
+                    "language": max_prober.language,
+                }
+
+        # Log all prober confidences if none met MINIMUM_THRESHOLD
+        if self.logger.getEffectiveLevel() <= logging.DEBUG:
+            if self.result["encoding"] is None:
+                self.logger.debug("no probers hit minimum threshold")
+                for group_prober in self._charset_probers:
+                    if not group_prober:
+                        continue
+                    if isinstance(group_prober, CharSetGroupProber):
+                        for prober in group_prober.probers:
+                            self.logger.debug(
+                                "%s %s confidence = %s",
+                                prober.charset_name,
+                                prober.language,
+                                prober.get_confidence(),
+                            )
+                    else:
+                        self.logger.debug(
+                            "%s %s confidence = %s",
+                            group_prober.charset_name,
+                            group_prober.language,
+                            group_prober.get_confidence(),
+                        )
+        return self.result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/utf1632prober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/utf1632prober.py
new file mode 100644
index 00000000..6bdec63d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/utf1632prober.py
@@ -0,0 +1,225 @@
+######################## BEGIN LICENSE BLOCK ########################
+#
+# Contributor(s):
+#   Jason Zavaglia
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+from typing import List, Union
+
+from .charsetprober import CharSetProber
+from .enums import ProbingState
+
+
+class UTF1632Prober(CharSetProber):
+    """
+    This class simply looks for occurrences of zero bytes, and infers
+    whether the file is UTF16 or UTF32 (low-endian or big-endian)
+    For instance, files looking like ( \0 \0 \0 [nonzero] )+
+    have a good probability to be UTF32BE.  Files looking like ( \0 [nonzero] )+
+    may be guessed to be UTF16BE, and inversely for little-endian varieties.
+    """
+
+    # how many logical characters to scan before feeling confident of prediction
+    MIN_CHARS_FOR_DETECTION = 20
+    # a fixed constant ratio of expected zeros or non-zeros in modulo-position.
+    EXPECTED_RATIO = 0.94
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.position = 0
+        self.zeros_at_mod = [0] * 4
+        self.nonzeros_at_mod = [0] * 4
+        self._state = ProbingState.DETECTING
+        self.quad = [0, 0, 0, 0]
+        self.invalid_utf16be = False
+        self.invalid_utf16le = False
+        self.invalid_utf32be = False
+        self.invalid_utf32le = False
+        self.first_half_surrogate_pair_detected_16be = False
+        self.first_half_surrogate_pair_detected_16le = False
+        self.reset()
+
+    def reset(self) -> None:
+        super().reset()
+        self.position = 0
+        self.zeros_at_mod = [0] * 4
+        self.nonzeros_at_mod = [0] * 4
+        self._state = ProbingState.DETECTING
+        self.invalid_utf16be = False
+        self.invalid_utf16le = False
+        self.invalid_utf32be = False
+        self.invalid_utf32le = False
+        self.first_half_surrogate_pair_detected_16be = False
+        self.first_half_surrogate_pair_detected_16le = False
+        self.quad = [0, 0, 0, 0]
+
+    @property
+    def charset_name(self) -> str:
+        if self.is_likely_utf32be():
+            return "utf-32be"
+        if self.is_likely_utf32le():
+            return "utf-32le"
+        if self.is_likely_utf16be():
+            return "utf-16be"
+        if self.is_likely_utf16le():
+            return "utf-16le"
+        # default to something valid
+        return "utf-16"
+
+    @property
+    def language(self) -> str:
+        return ""
+
+    def approx_32bit_chars(self) -> float:
+        return max(1.0, self.position / 4.0)
+
+    def approx_16bit_chars(self) -> float:
+        return max(1.0, self.position / 2.0)
+
+    def is_likely_utf32be(self) -> bool:
+        approx_chars = self.approx_32bit_chars()
+        return approx_chars >= self.MIN_CHARS_FOR_DETECTION and (
+            self.zeros_at_mod[0] / approx_chars > self.EXPECTED_RATIO
+            and self.zeros_at_mod[1] / approx_chars > self.EXPECTED_RATIO
+            and self.zeros_at_mod[2] / approx_chars > self.EXPECTED_RATIO
+            and self.nonzeros_at_mod[3] / approx_chars > self.EXPECTED_RATIO
+            and not self.invalid_utf32be
+        )
+
+    def is_likely_utf32le(self) -> bool:
+        approx_chars = self.approx_32bit_chars()
+        return approx_chars >= self.MIN_CHARS_FOR_DETECTION and (
+            self.nonzeros_at_mod[0] / approx_chars > self.EXPECTED_RATIO
+            and self.zeros_at_mod[1] / approx_chars > self.EXPECTED_RATIO
+            and self.zeros_at_mod[2] / approx_chars > self.EXPECTED_RATIO
+            and self.zeros_at_mod[3] / approx_chars > self.EXPECTED_RATIO
+            and not self.invalid_utf32le
+        )
+
+    def is_likely_utf16be(self) -> bool:
+        approx_chars = self.approx_16bit_chars()
+        return approx_chars >= self.MIN_CHARS_FOR_DETECTION and (
+            (self.nonzeros_at_mod[1] + self.nonzeros_at_mod[3]) / approx_chars
+            > self.EXPECTED_RATIO
+            and (self.zeros_at_mod[0] + self.zeros_at_mod[2]) / approx_chars
+            > self.EXPECTED_RATIO
+            and not self.invalid_utf16be
+        )
+
+    def is_likely_utf16le(self) -> bool:
+        approx_chars = self.approx_16bit_chars()
+        return approx_chars >= self.MIN_CHARS_FOR_DETECTION and (
+            (self.nonzeros_at_mod[0] + self.nonzeros_at_mod[2]) / approx_chars
+            > self.EXPECTED_RATIO
+            and (self.zeros_at_mod[1] + self.zeros_at_mod[3]) / approx_chars
+            > self.EXPECTED_RATIO
+            and not self.invalid_utf16le
+        )
+
+    def validate_utf32_characters(self, quad: List[int]) -> None:
+        """
+        Validate if the quad of bytes is valid UTF-32.
+
+        UTF-32 is valid in the range 0x00000000 - 0x0010FFFF
+        excluding 0x0000D800 - 0x0000DFFF
+
+        https://en.wikipedia.org/wiki/UTF-32
+        """
+        if (
+            quad[0] != 0
+            or quad[1] > 0x10
+            or (quad[0] == 0 and quad[1] == 0 and 0xD8 <= quad[2] <= 0xDF)
+        ):
+            self.invalid_utf32be = True
+        if (
+            quad[3] != 0
+            or quad[2] > 0x10
+            or (quad[3] == 0 and quad[2] == 0 and 0xD8 <= quad[1] <= 0xDF)
+        ):
+            self.invalid_utf32le = True
+
+    def validate_utf16_characters(self, pair: List[int]) -> None:
+        """
+        Validate if the pair of bytes is  valid UTF-16.
+
+        UTF-16 is valid in the range 0x0000 - 0xFFFF excluding 0xD800 - 0xFFFF
+        with an exception for surrogate pairs, which must be in the range
+        0xD800-0xDBFF followed by 0xDC00-0xDFFF
+
+        https://en.wikipedia.org/wiki/UTF-16
+        """
+        if not self.first_half_surrogate_pair_detected_16be:
+            if 0xD8 <= pair[0] <= 0xDB:
+                self.first_half_surrogate_pair_detected_16be = True
+            elif 0xDC <= pair[0] <= 0xDF:
+                self.invalid_utf16be = True
+        else:
+            if 0xDC <= pair[0] <= 0xDF:
+                self.first_half_surrogate_pair_detected_16be = False
+            else:
+                self.invalid_utf16be = True
+
+        if not self.first_half_surrogate_pair_detected_16le:
+            if 0xD8 <= pair[1] <= 0xDB:
+                self.first_half_surrogate_pair_detected_16le = True
+            elif 0xDC <= pair[1] <= 0xDF:
+                self.invalid_utf16le = True
+        else:
+            if 0xDC <= pair[1] <= 0xDF:
+                self.first_half_surrogate_pair_detected_16le = False
+            else:
+                self.invalid_utf16le = True
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        for c in byte_str:
+            mod4 = self.position % 4
+            self.quad[mod4] = c
+            if mod4 == 3:
+                self.validate_utf32_characters(self.quad)
+                self.validate_utf16_characters(self.quad[0:2])
+                self.validate_utf16_characters(self.quad[2:4])
+            if c == 0:
+                self.zeros_at_mod[mod4] += 1
+            else:
+                self.nonzeros_at_mod[mod4] += 1
+            self.position += 1
+        return self.state
+
+    @property
+    def state(self) -> ProbingState:
+        if self._state in {ProbingState.NOT_ME, ProbingState.FOUND_IT}:
+            # terminal, decided states
+            return self._state
+        if self.get_confidence() > 0.80:
+            self._state = ProbingState.FOUND_IT
+        elif self.position > 4 * 1024:
+            # if we get to 4kb into the file, and we can't conclude it's UTF,
+            # let's give up
+            self._state = ProbingState.NOT_ME
+        return self._state
+
+    def get_confidence(self) -> float:
+        return (
+            0.85
+            if (
+                self.is_likely_utf16le()
+                or self.is_likely_utf16be()
+                or self.is_likely_utf32le()
+                or self.is_likely_utf32be()
+            )
+            else 0.00
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/utf8prober.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/utf8prober.py
new file mode 100644
index 00000000..d96354d9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/utf8prober.py
@@ -0,0 +1,82 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from typing import Union
+
+from .charsetprober import CharSetProber
+from .codingstatemachine import CodingStateMachine
+from .enums import MachineState, ProbingState
+from .mbcssm import UTF8_SM_MODEL
+
+
+class UTF8Prober(CharSetProber):
+    ONE_CHAR_PROB = 0.5
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.coding_sm = CodingStateMachine(UTF8_SM_MODEL)
+        self._num_mb_chars = 0
+        self.reset()
+
+    def reset(self) -> None:
+        super().reset()
+        self.coding_sm.reset()
+        self._num_mb_chars = 0
+
+    @property
+    def charset_name(self) -> str:
+        return "utf-8"
+
+    @property
+    def language(self) -> str:
+        return ""
+
+    def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
+        for c in byte_str:
+            coding_state = self.coding_sm.next_state(c)
+            if coding_state == MachineState.ERROR:
+                self._state = ProbingState.NOT_ME
+                break
+            if coding_state == MachineState.ITS_ME:
+                self._state = ProbingState.FOUND_IT
+                break
+            if coding_state == MachineState.START:
+                if self.coding_sm.get_current_charlen() >= 2:
+                    self._num_mb_chars += 1
+
+        if self.state == ProbingState.DETECTING:
+            if self.get_confidence() > self.SHORTCUT_THRESHOLD:
+                self._state = ProbingState.FOUND_IT
+
+        return self.state
+
+    def get_confidence(self) -> float:
+        unlike = 0.99
+        if self._num_mb_chars < 6:
+            unlike *= self.ONE_CHAR_PROB**self._num_mb_chars
+            return 1.0 - unlike
+        return unlike
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/version.py
new file mode 100644
index 00000000..c5e9d85c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/chardet/version.py
@@ -0,0 +1,9 @@
+"""
+This module exists only to simplify retrieving the version number of chardet
+from within setuptools and from chardet subpackages.
+
+:author: Dan Blanchard (dan.blanchard@gmail.com)
+"""
+
+__version__ = "5.1.0"
+VERSION = __version__.split(".")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/__init__.py
new file mode 100644
index 00000000..383101cd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/__init__.py
@@ -0,0 +1,7 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+from .initialise import init, deinit, reinit, colorama_text, just_fix_windows_console
+from .ansi import Fore, Back, Style, Cursor
+from .ansitowin32 import AnsiToWin32
+
+__version__ = '0.4.6'
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/__pycache__/winterm.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/__pycache__/winterm.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/ansi.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/ansi.py
new file mode 100644
index 00000000..11ec695f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/ansi.py
@@ -0,0 +1,102 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+'''
+This module generates ANSI character codes to printing colors to terminals.
+See: http://en.wikipedia.org/wiki/ANSI_escape_code
+'''
+
+CSI = '\033['
+OSC = '\033]'
+BEL = '\a'
+
+
+def code_to_chars(code):
+    return CSI + str(code) + 'm'
+
+def set_title(title):
+    return OSC + '2;' + title + BEL
+
+def clear_screen(mode=2):
+    return CSI + str(mode) + 'J'
+
+def clear_line(mode=2):
+    return CSI + str(mode) + 'K'
+
+
+class AnsiCodes(object):
+    def __init__(self):
+        # the subclasses declare class attributes which are numbers.
+        # Upon instantiation we define instance attributes, which are the same
+        # as the class attributes but wrapped with the ANSI escape sequence
+        for name in dir(self):
+            if not name.startswith('_'):
+                value = getattr(self, name)
+                setattr(self, name, code_to_chars(value))
+
+
+class AnsiCursor(object):
+    def UP(self, n=1):
+        return CSI + str(n) + 'A'
+    def DOWN(self, n=1):
+        return CSI + str(n) + 'B'
+    def FORWARD(self, n=1):
+        return CSI + str(n) + 'C'
+    def BACK(self, n=1):
+        return CSI + str(n) + 'D'
+    def POS(self, x=1, y=1):
+        return CSI + str(y) + ';' + str(x) + 'H'
+
+
+class AnsiFore(AnsiCodes):
+    BLACK           = 30
+    RED             = 31
+    GREEN           = 32
+    YELLOW          = 33
+    BLUE            = 34
+    MAGENTA         = 35
+    CYAN            = 36
+    WHITE           = 37
+    RESET           = 39
+
+    # These are fairly well supported, but not part of the standard.
+    LIGHTBLACK_EX   = 90
+    LIGHTRED_EX     = 91
+    LIGHTGREEN_EX   = 92
+    LIGHTYELLOW_EX  = 93
+    LIGHTBLUE_EX    = 94
+    LIGHTMAGENTA_EX = 95
+    LIGHTCYAN_EX    = 96
+    LIGHTWHITE_EX   = 97
+
+
+class AnsiBack(AnsiCodes):
+    BLACK           = 40
+    RED             = 41
+    GREEN           = 42
+    YELLOW          = 43
+    BLUE            = 44
+    MAGENTA         = 45
+    CYAN            = 46
+    WHITE           = 47
+    RESET           = 49
+
+    # These are fairly well supported, but not part of the standard.
+    LIGHTBLACK_EX   = 100
+    LIGHTRED_EX     = 101
+    LIGHTGREEN_EX   = 102
+    LIGHTYELLOW_EX  = 103
+    LIGHTBLUE_EX    = 104
+    LIGHTMAGENTA_EX = 105
+    LIGHTCYAN_EX    = 106
+    LIGHTWHITE_EX   = 107
+
+
+class AnsiStyle(AnsiCodes):
+    BRIGHT    = 1
+    DIM       = 2
+    NORMAL    = 22
+    RESET_ALL = 0
+
+Fore   = AnsiFore()
+Back   = AnsiBack()
+Style  = AnsiStyle()
+Cursor = AnsiCursor()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/ansitowin32.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/ansitowin32.py
new file mode 100644
index 00000000..abf209e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/ansitowin32.py
@@ -0,0 +1,277 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+import re
+import sys
+import os
+
+from .ansi import AnsiFore, AnsiBack, AnsiStyle, Style, BEL
+from .winterm import enable_vt_processing, WinTerm, WinColor, WinStyle
+from .win32 import windll, winapi_test
+
+
+winterm = None
+if windll is not None:
+    winterm = WinTerm()
+
+
+class StreamWrapper(object):
+    '''
+    Wraps a stream (such as stdout), acting as a transparent proxy for all
+    attribute access apart from method 'write()', which is delegated to our
+    Converter instance.
+    '''
+    def __init__(self, wrapped, converter):
+        # double-underscore everything to prevent clashes with names of
+        # attributes on the wrapped stream object.
+        self.__wrapped = wrapped
+        self.__convertor = converter
+
+    def __getattr__(self, name):
+        return getattr(self.__wrapped, name)
+
+    def __enter__(self, *args, **kwargs):
+        # special method lookup bypasses __getattr__/__getattribute__, see
+        # https://stackoverflow.com/questions/12632894/why-doesnt-getattr-work-with-exit
+        # thus, contextlib magic methods are not proxied via __getattr__
+        return self.__wrapped.__enter__(*args, **kwargs)
+
+    def __exit__(self, *args, **kwargs):
+        return self.__wrapped.__exit__(*args, **kwargs)
+
+    def __setstate__(self, state):
+        self.__dict__ = state
+
+    def __getstate__(self):
+        return self.__dict__
+
+    def write(self, text):
+        self.__convertor.write(text)
+
+    def isatty(self):
+        stream = self.__wrapped
+        if 'PYCHARM_HOSTED' in os.environ:
+            if stream is not None and (stream is sys.__stdout__ or stream is sys.__stderr__):
+                return True
+        try:
+            stream_isatty = stream.isatty
+        except AttributeError:
+            return False
+        else:
+            return stream_isatty()
+
+    @property
+    def closed(self):
+        stream = self.__wrapped
+        try:
+            return stream.closed
+        # AttributeError in the case that the stream doesn't support being closed
+        # ValueError for the case that the stream has already been detached when atexit runs
+        except (AttributeError, ValueError):
+            return True
+
+
+class AnsiToWin32(object):
+    '''
+    Implements a 'write()' method which, on Windows, will strip ANSI character
+    sequences from the text, and if outputting to a tty, will convert them into
+    win32 function calls.
+    '''
+    ANSI_CSI_RE = re.compile('\001?\033\\[((?:\\d|;)*)([a-zA-Z])\002?')   # Control Sequence Introducer
+    ANSI_OSC_RE = re.compile('\001?\033\\]([^\a]*)(\a)\002?')             # Operating System Command
+
+    def __init__(self, wrapped, convert=None, strip=None, autoreset=False):
+        # The wrapped stream (normally sys.stdout or sys.stderr)
+        self.wrapped = wrapped
+
+        # should we reset colors to defaults after every .write()
+        self.autoreset = autoreset
+
+        # create the proxy wrapping our output stream
+        self.stream = StreamWrapper(wrapped, self)
+
+        on_windows = os.name == 'nt'
+        # We test if the WinAPI works, because even if we are on Windows
+        # we may be using a terminal that doesn't support the WinAPI
+        # (e.g. Cygwin Terminal). In this case it's up to the terminal
+        # to support the ANSI codes.
+        conversion_supported = on_windows and winapi_test()
+        try:
+            fd = wrapped.fileno()
+        except Exception:
+            fd = -1
+        system_has_native_ansi = not on_windows or enable_vt_processing(fd)
+        have_tty = not self.stream.closed and self.stream.isatty()
+        need_conversion = conversion_supported and not system_has_native_ansi
+
+        # should we strip ANSI sequences from our output?
+        if strip is None:
+            strip = need_conversion or not have_tty
+        self.strip = strip
+
+        # should we should convert ANSI sequences into win32 calls?
+        if convert is None:
+            convert = need_conversion and have_tty
+        self.convert = convert
+
+        # dict of ansi codes to win32 functions and parameters
+        self.win32_calls = self.get_win32_calls()
+
+        # are we wrapping stderr?
+        self.on_stderr = self.wrapped is sys.stderr
+
+    def should_wrap(self):
+        '''
+        True if this class is actually needed. If false, then the output
+        stream will not be affected, nor will win32 calls be issued, so
+        wrapping stdout is not actually required. This will generally be
+        False on non-Windows platforms, unless optional functionality like
+        autoreset has been requested using kwargs to init()
+        '''
+        return self.convert or self.strip or self.autoreset
+
+    def get_win32_calls(self):
+        if self.convert and winterm:
+            return {
+                AnsiStyle.RESET_ALL: (winterm.reset_all, ),
+                AnsiStyle.BRIGHT: (winterm.style, WinStyle.BRIGHT),
+                AnsiStyle.DIM: (winterm.style, WinStyle.NORMAL),
+                AnsiStyle.NORMAL: (winterm.style, WinStyle.NORMAL),
+                AnsiFore.BLACK: (winterm.fore, WinColor.BLACK),
+                AnsiFore.RED: (winterm.fore, WinColor.RED),
+                AnsiFore.GREEN: (winterm.fore, WinColor.GREEN),
+                AnsiFore.YELLOW: (winterm.fore, WinColor.YELLOW),
+                AnsiFore.BLUE: (winterm.fore, WinColor.BLUE),
+                AnsiFore.MAGENTA: (winterm.fore, WinColor.MAGENTA),
+                AnsiFore.CYAN: (winterm.fore, WinColor.CYAN),
+                AnsiFore.WHITE: (winterm.fore, WinColor.GREY),
+                AnsiFore.RESET: (winterm.fore, ),
+                AnsiFore.LIGHTBLACK_EX: (winterm.fore, WinColor.BLACK, True),
+                AnsiFore.LIGHTRED_EX: (winterm.fore, WinColor.RED, True),
+                AnsiFore.LIGHTGREEN_EX: (winterm.fore, WinColor.GREEN, True),
+                AnsiFore.LIGHTYELLOW_EX: (winterm.fore, WinColor.YELLOW, True),
+                AnsiFore.LIGHTBLUE_EX: (winterm.fore, WinColor.BLUE, True),
+                AnsiFore.LIGHTMAGENTA_EX: (winterm.fore, WinColor.MAGENTA, True),
+                AnsiFore.LIGHTCYAN_EX: (winterm.fore, WinColor.CYAN, True),
+                AnsiFore.LIGHTWHITE_EX: (winterm.fore, WinColor.GREY, True),
+                AnsiBack.BLACK: (winterm.back, WinColor.BLACK),
+                AnsiBack.RED: (winterm.back, WinColor.RED),
+                AnsiBack.GREEN: (winterm.back, WinColor.GREEN),
+                AnsiBack.YELLOW: (winterm.back, WinColor.YELLOW),
+                AnsiBack.BLUE: (winterm.back, WinColor.BLUE),
+                AnsiBack.MAGENTA: (winterm.back, WinColor.MAGENTA),
+                AnsiBack.CYAN: (winterm.back, WinColor.CYAN),
+                AnsiBack.WHITE: (winterm.back, WinColor.GREY),
+                AnsiBack.RESET: (winterm.back, ),
+                AnsiBack.LIGHTBLACK_EX: (winterm.back, WinColor.BLACK, True),
+                AnsiBack.LIGHTRED_EX: (winterm.back, WinColor.RED, True),
+                AnsiBack.LIGHTGREEN_EX: (winterm.back, WinColor.GREEN, True),
+                AnsiBack.LIGHTYELLOW_EX: (winterm.back, WinColor.YELLOW, True),
+                AnsiBack.LIGHTBLUE_EX: (winterm.back, WinColor.BLUE, True),
+                AnsiBack.LIGHTMAGENTA_EX: (winterm.back, WinColor.MAGENTA, True),
+                AnsiBack.LIGHTCYAN_EX: (winterm.back, WinColor.CYAN, True),
+                AnsiBack.LIGHTWHITE_EX: (winterm.back, WinColor.GREY, True),
+            }
+        return dict()
+
+    def write(self, text):
+        if self.strip or self.convert:
+            self.write_and_convert(text)
+        else:
+            self.wrapped.write(text)
+            self.wrapped.flush()
+        if self.autoreset:
+            self.reset_all()
+
+
+    def reset_all(self):
+        if self.convert:
+            self.call_win32('m', (0,))
+        elif not self.strip and not self.stream.closed:
+            self.wrapped.write(Style.RESET_ALL)
+
+
+    def write_and_convert(self, text):
+        '''
+        Write the given text to our wrapped stream, stripping any ANSI
+        sequences from the text, and optionally converting them into win32
+        calls.
+        '''
+        cursor = 0
+        text = self.convert_osc(text)
+        for match in self.ANSI_CSI_RE.finditer(text):
+            start, end = match.span()
+            self.write_plain_text(text, cursor, start)
+            self.convert_ansi(*match.groups())
+            cursor = end
+        self.write_plain_text(text, cursor, len(text))
+
+
+    def write_plain_text(self, text, start, end):
+        if start < end:
+            self.wrapped.write(text[start:end])
+            self.wrapped.flush()
+
+
+    def convert_ansi(self, paramstring, command):
+        if self.convert:
+            params = self.extract_params(command, paramstring)
+            self.call_win32(command, params)
+
+
+    def extract_params(self, command, paramstring):
+        if command in 'Hf':
+            params = tuple(int(p) if len(p) != 0 else 1 for p in paramstring.split(';'))
+            while len(params) < 2:
+                # defaults:
+                params = params + (1,)
+        else:
+            params = tuple(int(p) for p in paramstring.split(';') if len(p) != 0)
+            if len(params) == 0:
+                # defaults:
+                if command in 'JKm':
+                    params = (0,)
+                elif command in 'ABCD':
+                    params = (1,)
+
+        return params
+
+
+    def call_win32(self, command, params):
+        if command == 'm':
+            for param in params:
+                if param in self.win32_calls:
+                    func_args = self.win32_calls[param]
+                    func = func_args[0]
+                    args = func_args[1:]
+                    kwargs = dict(on_stderr=self.on_stderr)
+                    func(*args, **kwargs)
+        elif command in 'J':
+            winterm.erase_screen(params[0], on_stderr=self.on_stderr)
+        elif command in 'K':
+            winterm.erase_line(params[0], on_stderr=self.on_stderr)
+        elif command in 'Hf':     # cursor position - absolute
+            winterm.set_cursor_position(params, on_stderr=self.on_stderr)
+        elif command in 'ABCD':   # cursor position - relative
+            n = params[0]
+            # A - up, B - down, C - forward, D - back
+            x, y = {'A': (0, -n), 'B': (0, n), 'C': (n, 0), 'D': (-n, 0)}[command]
+            winterm.cursor_adjust(x, y, on_stderr=self.on_stderr)
+
+
+    def convert_osc(self, text):
+        for match in self.ANSI_OSC_RE.finditer(text):
+            start, end = match.span()
+            text = text[:start] + text[end:]
+            paramstring, command = match.groups()
+            if command == BEL:
+                if paramstring.count(";") == 1:
+                    params = paramstring.split(";")
+                    # 0 - change title and icon (we will only change title)
+                    # 1 - change icon (we don't support this)
+                    # 2 - change title
+                    if params[0] in '02':
+                        winterm.set_title(params[1])
+        return text
+
+
+    def flush(self):
+        self.wrapped.flush()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/initialise.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/initialise.py
new file mode 100644
index 00000000..d5fd4b71
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/initialise.py
@@ -0,0 +1,121 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+import atexit
+import contextlib
+import sys
+
+from .ansitowin32 import AnsiToWin32
+
+
+def _wipe_internal_state_for_tests():
+    global orig_stdout, orig_stderr
+    orig_stdout = None
+    orig_stderr = None
+
+    global wrapped_stdout, wrapped_stderr
+    wrapped_stdout = None
+    wrapped_stderr = None
+
+    global atexit_done
+    atexit_done = False
+
+    global fixed_windows_console
+    fixed_windows_console = False
+
+    try:
+        # no-op if it wasn't registered
+        atexit.unregister(reset_all)
+    except AttributeError:
+        # python 2: no atexit.unregister. Oh well, we did our best.
+        pass
+
+
+def reset_all():
+    if AnsiToWin32 is not None:    # Issue #74: objects might become None at exit
+        AnsiToWin32(orig_stdout).reset_all()
+
+
+def init(autoreset=False, convert=None, strip=None, wrap=True):
+
+    if not wrap and any([autoreset, convert, strip]):
+        raise ValueError('wrap=False conflicts with any other arg=True')
+
+    global wrapped_stdout, wrapped_stderr
+    global orig_stdout, orig_stderr
+
+    orig_stdout = sys.stdout
+    orig_stderr = sys.stderr
+
+    if sys.stdout is None:
+        wrapped_stdout = None
+    else:
+        sys.stdout = wrapped_stdout = \
+            wrap_stream(orig_stdout, convert, strip, autoreset, wrap)
+    if sys.stderr is None:
+        wrapped_stderr = None
+    else:
+        sys.stderr = wrapped_stderr = \
+            wrap_stream(orig_stderr, convert, strip, autoreset, wrap)
+
+    global atexit_done
+    if not atexit_done:
+        atexit.register(reset_all)
+        atexit_done = True
+
+
+def deinit():
+    if orig_stdout is not None:
+        sys.stdout = orig_stdout
+    if orig_stderr is not None:
+        sys.stderr = orig_stderr
+
+
+def just_fix_windows_console():
+    global fixed_windows_console
+
+    if sys.platform != "win32":
+        return
+    if fixed_windows_console:
+        return
+    if wrapped_stdout is not None or wrapped_stderr is not None:
+        # Someone already ran init() and it did stuff, so we won't second-guess them
+        return
+
+    # On newer versions of Windows, AnsiToWin32.__init__ will implicitly enable the
+    # native ANSI support in the console as a side-effect. We only need to actually
+    # replace sys.stdout/stderr if we're in the old-style conversion mode.
+    new_stdout = AnsiToWin32(sys.stdout, convert=None, strip=None, autoreset=False)
+    if new_stdout.convert:
+        sys.stdout = new_stdout
+    new_stderr = AnsiToWin32(sys.stderr, convert=None, strip=None, autoreset=False)
+    if new_stderr.convert:
+        sys.stderr = new_stderr
+
+    fixed_windows_console = True
+
+@contextlib.contextmanager
+def colorama_text(*args, **kwargs):
+    init(*args, **kwargs)
+    try:
+        yield
+    finally:
+        deinit()
+
+
+def reinit():
+    if wrapped_stdout is not None:
+        sys.stdout = wrapped_stdout
+    if wrapped_stderr is not None:
+        sys.stderr = wrapped_stderr
+
+
+def wrap_stream(stream, convert, strip, autoreset, wrap):
+    if wrap:
+        wrapper = AnsiToWin32(stream,
+            convert=convert, strip=strip, autoreset=autoreset)
+        if wrapper.should_wrap():
+            stream = wrapper.stream
+    return stream
+
+
+# Use this for initial setup as well, to reduce code duplication
+_wipe_internal_state_for_tests()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/__init__.py
new file mode 100644
index 00000000..8c5661e9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/__init__.py
@@ -0,0 +1 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/ansi_test.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/ansi_test.py
new file mode 100644
index 00000000..0a20c80f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/ansi_test.py
@@ -0,0 +1,76 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+import sys
+from unittest import TestCase, main
+
+from ..ansi import Back, Fore, Style
+from ..ansitowin32 import AnsiToWin32
+
+stdout_orig = sys.stdout
+stderr_orig = sys.stderr
+
+
+class AnsiTest(TestCase):
+
+    def setUp(self):
+        # sanity check: stdout should be a file or StringIO object.
+        # It will only be AnsiToWin32 if init() has previously wrapped it
+        self.assertNotEqual(type(sys.stdout), AnsiToWin32)
+        self.assertNotEqual(type(sys.stderr), AnsiToWin32)
+
+    def tearDown(self):
+        sys.stdout = stdout_orig
+        sys.stderr = stderr_orig
+
+
+    def testForeAttributes(self):
+        self.assertEqual(Fore.BLACK, '\033[30m')
+        self.assertEqual(Fore.RED, '\033[31m')
+        self.assertEqual(Fore.GREEN, '\033[32m')
+        self.assertEqual(Fore.YELLOW, '\033[33m')
+        self.assertEqual(Fore.BLUE, '\033[34m')
+        self.assertEqual(Fore.MAGENTA, '\033[35m')
+        self.assertEqual(Fore.CYAN, '\033[36m')
+        self.assertEqual(Fore.WHITE, '\033[37m')
+        self.assertEqual(Fore.RESET, '\033[39m')
+
+        # Check the light, extended versions.
+        self.assertEqual(Fore.LIGHTBLACK_EX, '\033[90m')
+        self.assertEqual(Fore.LIGHTRED_EX, '\033[91m')
+        self.assertEqual(Fore.LIGHTGREEN_EX, '\033[92m')
+        self.assertEqual(Fore.LIGHTYELLOW_EX, '\033[93m')
+        self.assertEqual(Fore.LIGHTBLUE_EX, '\033[94m')
+        self.assertEqual(Fore.LIGHTMAGENTA_EX, '\033[95m')
+        self.assertEqual(Fore.LIGHTCYAN_EX, '\033[96m')
+        self.assertEqual(Fore.LIGHTWHITE_EX, '\033[97m')
+
+
+    def testBackAttributes(self):
+        self.assertEqual(Back.BLACK, '\033[40m')
+        self.assertEqual(Back.RED, '\033[41m')
+        self.assertEqual(Back.GREEN, '\033[42m')
+        self.assertEqual(Back.YELLOW, '\033[43m')
+        self.assertEqual(Back.BLUE, '\033[44m')
+        self.assertEqual(Back.MAGENTA, '\033[45m')
+        self.assertEqual(Back.CYAN, '\033[46m')
+        self.assertEqual(Back.WHITE, '\033[47m')
+        self.assertEqual(Back.RESET, '\033[49m')
+
+        # Check the light, extended versions.
+        self.assertEqual(Back.LIGHTBLACK_EX, '\033[100m')
+        self.assertEqual(Back.LIGHTRED_EX, '\033[101m')
+        self.assertEqual(Back.LIGHTGREEN_EX, '\033[102m')
+        self.assertEqual(Back.LIGHTYELLOW_EX, '\033[103m')
+        self.assertEqual(Back.LIGHTBLUE_EX, '\033[104m')
+        self.assertEqual(Back.LIGHTMAGENTA_EX, '\033[105m')
+        self.assertEqual(Back.LIGHTCYAN_EX, '\033[106m')
+        self.assertEqual(Back.LIGHTWHITE_EX, '\033[107m')
+
+
+    def testStyleAttributes(self):
+        self.assertEqual(Style.DIM, '\033[2m')
+        self.assertEqual(Style.NORMAL, '\033[22m')
+        self.assertEqual(Style.BRIGHT, '\033[1m')
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/ansitowin32_test.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/ansitowin32_test.py
new file mode 100644
index 00000000..91ca551f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/ansitowin32_test.py
@@ -0,0 +1,294 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+from io import StringIO, TextIOWrapper
+from unittest import TestCase, main
+try:
+    from contextlib import ExitStack
+except ImportError:
+    # python 2
+    from contextlib2 import ExitStack
+
+try:
+    from unittest.mock import MagicMock, Mock, patch
+except ImportError:
+    from mock import MagicMock, Mock, patch
+
+from ..ansitowin32 import AnsiToWin32, StreamWrapper
+from ..win32 import ENABLE_VIRTUAL_TERMINAL_PROCESSING
+from .utils import osname
+
+
+class StreamWrapperTest(TestCase):
+
+    def testIsAProxy(self):
+        mockStream = Mock()
+        wrapper = StreamWrapper(mockStream, None)
+        self.assertTrue( wrapper.random_attr is mockStream.random_attr )
+
+    def testDelegatesWrite(self):
+        mockStream = Mock()
+        mockConverter = Mock()
+        wrapper = StreamWrapper(mockStream, mockConverter)
+        wrapper.write('hello')
+        self.assertTrue(mockConverter.write.call_args, (('hello',), {}))
+
+    def testDelegatesContext(self):
+        mockConverter = Mock()
+        s = StringIO()
+        with StreamWrapper(s, mockConverter) as fp:
+            fp.write(u'hello')
+        self.assertTrue(s.closed)
+
+    def testProxyNoContextManager(self):
+        mockStream = MagicMock()
+        mockStream.__enter__.side_effect = AttributeError()
+        mockConverter = Mock()
+        with self.assertRaises(AttributeError) as excinfo:
+            with StreamWrapper(mockStream, mockConverter) as wrapper:
+                wrapper.write('hello')
+
+    def test_closed_shouldnt_raise_on_closed_stream(self):
+        stream = StringIO()
+        stream.close()
+        wrapper = StreamWrapper(stream, None)
+        self.assertEqual(wrapper.closed, True)
+
+    def test_closed_shouldnt_raise_on_detached_stream(self):
+        stream = TextIOWrapper(StringIO())
+        stream.detach()
+        wrapper = StreamWrapper(stream, None)
+        self.assertEqual(wrapper.closed, True)
+
+class AnsiToWin32Test(TestCase):
+
+    def testInit(self):
+        mockStdout = Mock()
+        auto = Mock()
+        stream = AnsiToWin32(mockStdout, autoreset=auto)
+        self.assertEqual(stream.wrapped, mockStdout)
+        self.assertEqual(stream.autoreset, auto)
+
+    @patch('colorama.ansitowin32.winterm', None)
+    @patch('colorama.ansitowin32.winapi_test', lambda *_: True)
+    def testStripIsTrueOnWindows(self):
+        with osname('nt'):
+            mockStdout = Mock()
+            stream = AnsiToWin32(mockStdout)
+            self.assertTrue(stream.strip)
+
+    def testStripIsFalseOffWindows(self):
+        with osname('posix'):
+            mockStdout = Mock(closed=False)
+            stream = AnsiToWin32(mockStdout)
+            self.assertFalse(stream.strip)
+
+    def testWriteStripsAnsi(self):
+        mockStdout = Mock()
+        stream = AnsiToWin32(mockStdout)
+        stream.wrapped = Mock()
+        stream.write_and_convert = Mock()
+        stream.strip = True
+
+        stream.write('abc')
+
+        self.assertFalse(stream.wrapped.write.called)
+        self.assertEqual(stream.write_and_convert.call_args, (('abc',), {}))
+
+    def testWriteDoesNotStripAnsi(self):
+        mockStdout = Mock()
+        stream = AnsiToWin32(mockStdout)
+        stream.wrapped = Mock()
+        stream.write_and_convert = Mock()
+        stream.strip = False
+        stream.convert = False
+
+        stream.write('abc')
+
+        self.assertFalse(stream.write_and_convert.called)
+        self.assertEqual(stream.wrapped.write.call_args, (('abc',), {}))
+
+    def assert_autoresets(self, convert, autoreset=True):
+        stream = AnsiToWin32(Mock())
+        stream.convert = convert
+        stream.reset_all = Mock()
+        stream.autoreset = autoreset
+        stream.winterm = Mock()
+
+        stream.write('abc')
+
+        self.assertEqual(stream.reset_all.called, autoreset)
+
+    def testWriteAutoresets(self):
+        self.assert_autoresets(convert=True)
+        self.assert_autoresets(convert=False)
+        self.assert_autoresets(convert=True, autoreset=False)
+        self.assert_autoresets(convert=False, autoreset=False)
+
+    def testWriteAndConvertWritesPlainText(self):
+        stream = AnsiToWin32(Mock())
+        stream.write_and_convert( 'abc' )
+        self.assertEqual( stream.wrapped.write.call_args, (('abc',), {}) )
+
+    def testWriteAndConvertStripsAllValidAnsi(self):
+        stream = AnsiToWin32(Mock())
+        stream.call_win32 = Mock()
+        data = [
+            'abc\033[mdef',
+            'abc\033[0mdef',
+            'abc\033[2mdef',
+            'abc\033[02mdef',
+            'abc\033[002mdef',
+            'abc\033[40mdef',
+            'abc\033[040mdef',
+            'abc\033[0;1mdef',
+            'abc\033[40;50mdef',
+            'abc\033[50;30;40mdef',
+            'abc\033[Adef',
+            'abc\033[0Gdef',
+            'abc\033[1;20;128Hdef',
+        ]
+        for datum in data:
+            stream.wrapped.write.reset_mock()
+            stream.write_and_convert( datum )
+            self.assertEqual(
+               [args[0] for args in stream.wrapped.write.call_args_list],
+               [ ('abc',), ('def',) ]
+            )
+
+    def testWriteAndConvertSkipsEmptySnippets(self):
+        stream = AnsiToWin32(Mock())
+        stream.call_win32 = Mock()
+        stream.write_and_convert( '\033[40m\033[41m' )
+        self.assertFalse( stream.wrapped.write.called )
+
+    def testWriteAndConvertCallsWin32WithParamsAndCommand(self):
+        stream = AnsiToWin32(Mock())
+        stream.convert = True
+        stream.call_win32 = Mock()
+        stream.extract_params = Mock(return_value='params')
+        data = {
+            'abc\033[adef':         ('a', 'params'),
+            'abc\033[;;bdef':       ('b', 'params'),
+            'abc\033[0cdef':        ('c', 'params'),
+            'abc\033[;;0;;Gdef':    ('G', 'params'),
+            'abc\033[1;20;128Hdef': ('H', 'params'),
+        }
+        for datum, expected in data.items():
+            stream.call_win32.reset_mock()
+            stream.write_and_convert( datum )
+            self.assertEqual( stream.call_win32.call_args[0], expected )
+
+    def test_reset_all_shouldnt_raise_on_closed_orig_stdout(self):
+        stream = StringIO()
+        converter = AnsiToWin32(stream)
+        stream.close()
+
+        converter.reset_all()
+
+    def test_wrap_shouldnt_raise_on_closed_orig_stdout(self):
+        stream = StringIO()
+        stream.close()
+        with \
+            patch("colorama.ansitowin32.os.name", "nt"), \
+            patch("colorama.ansitowin32.winapi_test", lambda: True):
+                converter = AnsiToWin32(stream)
+        self.assertTrue(converter.strip)
+        self.assertFalse(converter.convert)
+
+    def test_wrap_shouldnt_raise_on_missing_closed_attr(self):
+        with \
+            patch("colorama.ansitowin32.os.name", "nt"), \
+            patch("colorama.ansitowin32.winapi_test", lambda: True):
+                converter = AnsiToWin32(object())
+        self.assertTrue(converter.strip)
+        self.assertFalse(converter.convert)
+
+    def testExtractParams(self):
+        stream = AnsiToWin32(Mock())
+        data = {
+            '':               (0,),
+            ';;':             (0,),
+            '2':              (2,),
+            ';;002;;':        (2,),
+            '0;1':            (0, 1),
+            ';;003;;456;;':   (3, 456),
+            '11;22;33;44;55': (11, 22, 33, 44, 55),
+        }
+        for datum, expected in data.items():
+            self.assertEqual(stream.extract_params('m', datum), expected)
+
+    def testCallWin32UsesLookup(self):
+        listener = Mock()
+        stream = AnsiToWin32(listener)
+        stream.win32_calls = {
+            1: (lambda *_, **__: listener(11),),
+            2: (lambda *_, **__: listener(22),),
+            3: (lambda *_, **__: listener(33),),
+        }
+        stream.call_win32('m', (3, 1, 99, 2))
+        self.assertEqual(
+            [a[0][0] for a in listener.call_args_list],
+            [33, 11, 22] )
+
+    def test_osc_codes(self):
+        mockStdout = Mock()
+        stream = AnsiToWin32(mockStdout, convert=True)
+        with patch('colorama.ansitowin32.winterm') as winterm:
+            data = [
+                '\033]0\x07',                      # missing arguments
+                '\033]0;foo\x08',                  # wrong OSC command
+                '\033]0;colorama_test_title\x07',  # should work
+                '\033]1;colorama_test_title\x07',  # wrong set command
+                '\033]2;colorama_test_title\x07',  # should work
+                '\033]' + ';' * 64 + '\x08',       # see issue #247
+            ]
+            for code in data:
+                stream.write(code)
+            self.assertEqual(winterm.set_title.call_count, 2)
+
+    def test_native_windows_ansi(self):
+        with ExitStack() as stack:
+            def p(a, b):
+                stack.enter_context(patch(a, b, create=True))
+            # Pretend to be on Windows
+            p("colorama.ansitowin32.os.name", "nt")
+            p("colorama.ansitowin32.winapi_test", lambda: True)
+            p("colorama.win32.winapi_test", lambda: True)
+            p("colorama.winterm.win32.windll", "non-None")
+            p("colorama.winterm.get_osfhandle", lambda _: 1234)
+
+            # Pretend that our mock stream has native ANSI support
+            p(
+                "colorama.winterm.win32.GetConsoleMode",
+                lambda _: ENABLE_VIRTUAL_TERMINAL_PROCESSING,
+            )
+            SetConsoleMode = Mock()
+            p("colorama.winterm.win32.SetConsoleMode", SetConsoleMode)
+
+            stdout = Mock()
+            stdout.closed = False
+            stdout.isatty.return_value = True
+            stdout.fileno.return_value = 1
+
+            # Our fake console says it has native vt support, so AnsiToWin32 should
+            # enable that support and do nothing else.
+            stream = AnsiToWin32(stdout)
+            SetConsoleMode.assert_called_with(1234, ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+            self.assertFalse(stream.strip)
+            self.assertFalse(stream.convert)
+            self.assertFalse(stream.should_wrap())
+
+            # Now let's pretend we're on an old Windows console, that doesn't have
+            # native ANSI support.
+            p("colorama.winterm.win32.GetConsoleMode", lambda _: 0)
+            SetConsoleMode = Mock()
+            p("colorama.winterm.win32.SetConsoleMode", SetConsoleMode)
+
+            stream = AnsiToWin32(stdout)
+            SetConsoleMode.assert_called_with(1234, ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+            self.assertTrue(stream.strip)
+            self.assertTrue(stream.convert)
+            self.assertTrue(stream.should_wrap())
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/initialise_test.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/initialise_test.py
new file mode 100644
index 00000000..89f9b075
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/initialise_test.py
@@ -0,0 +1,189 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+import sys
+from unittest import TestCase, main, skipUnless
+
+try:
+    from unittest.mock import patch, Mock
+except ImportError:
+    from mock import patch, Mock
+
+from ..ansitowin32 import StreamWrapper
+from ..initialise import init, just_fix_windows_console, _wipe_internal_state_for_tests
+from .utils import osname, replace_by
+
+orig_stdout = sys.stdout
+orig_stderr = sys.stderr
+
+
+class InitTest(TestCase):
+
+    @skipUnless(sys.stdout.isatty(), "sys.stdout is not a tty")
+    def setUp(self):
+        # sanity check
+        self.assertNotWrapped()
+
+    def tearDown(self):
+        _wipe_internal_state_for_tests()
+        sys.stdout = orig_stdout
+        sys.stderr = orig_stderr
+
+    def assertWrapped(self):
+        self.assertIsNot(sys.stdout, orig_stdout, 'stdout should be wrapped')
+        self.assertIsNot(sys.stderr, orig_stderr, 'stderr should be wrapped')
+        self.assertTrue(isinstance(sys.stdout, StreamWrapper),
+            'bad stdout wrapper')
+        self.assertTrue(isinstance(sys.stderr, StreamWrapper),
+            'bad stderr wrapper')
+
+    def assertNotWrapped(self):
+        self.assertIs(sys.stdout, orig_stdout, 'stdout should not be wrapped')
+        self.assertIs(sys.stderr, orig_stderr, 'stderr should not be wrapped')
+
+    @patch('colorama.initialise.reset_all')
+    @patch('colorama.ansitowin32.winapi_test', lambda *_: True)
+    @patch('colorama.ansitowin32.enable_vt_processing', lambda *_: False)
+    def testInitWrapsOnWindows(self, _):
+        with osname("nt"):
+            init()
+            self.assertWrapped()
+
+    @patch('colorama.initialise.reset_all')
+    @patch('colorama.ansitowin32.winapi_test', lambda *_: False)
+    def testInitDoesntWrapOnEmulatedWindows(self, _):
+        with osname("nt"):
+            init()
+            self.assertNotWrapped()
+
+    def testInitDoesntWrapOnNonWindows(self):
+        with osname("posix"):
+            init()
+            self.assertNotWrapped()
+
+    def testInitDoesntWrapIfNone(self):
+        with replace_by(None):
+            init()
+            # We can't use assertNotWrapped here because replace_by(None)
+            # changes stdout/stderr already.
+            self.assertIsNone(sys.stdout)
+            self.assertIsNone(sys.stderr)
+
+    def testInitAutoresetOnWrapsOnAllPlatforms(self):
+        with osname("posix"):
+            init(autoreset=True)
+            self.assertWrapped()
+
+    def testInitWrapOffDoesntWrapOnWindows(self):
+        with osname("nt"):
+            init(wrap=False)
+            self.assertNotWrapped()
+
+    def testInitWrapOffIncompatibleWithAutoresetOn(self):
+        self.assertRaises(ValueError, lambda: init(autoreset=True, wrap=False))
+
+    @patch('colorama.win32.SetConsoleTextAttribute')
+    @patch('colorama.initialise.AnsiToWin32')
+    def testAutoResetPassedOn(self, mockATW32, _):
+        with osname("nt"):
+            init(autoreset=True)
+            self.assertEqual(len(mockATW32.call_args_list), 2)
+            self.assertEqual(mockATW32.call_args_list[1][1]['autoreset'], True)
+            self.assertEqual(mockATW32.call_args_list[0][1]['autoreset'], True)
+
+    @patch('colorama.initialise.AnsiToWin32')
+    def testAutoResetChangeable(self, mockATW32):
+        with osname("nt"):
+            init()
+
+            init(autoreset=True)
+            self.assertEqual(len(mockATW32.call_args_list), 4)
+            self.assertEqual(mockATW32.call_args_list[2][1]['autoreset'], True)
+            self.assertEqual(mockATW32.call_args_list[3][1]['autoreset'], True)
+
+            init()
+            self.assertEqual(len(mockATW32.call_args_list), 6)
+            self.assertEqual(
+                mockATW32.call_args_list[4][1]['autoreset'], False)
+            self.assertEqual(
+                mockATW32.call_args_list[5][1]['autoreset'], False)
+
+
+    @patch('colorama.initialise.atexit.register')
+    def testAtexitRegisteredOnlyOnce(self, mockRegister):
+        init()
+        self.assertTrue(mockRegister.called)
+        mockRegister.reset_mock()
+        init()
+        self.assertFalse(mockRegister.called)
+
+
+class JustFixWindowsConsoleTest(TestCase):
+    def _reset(self):
+        _wipe_internal_state_for_tests()
+        sys.stdout = orig_stdout
+        sys.stderr = orig_stderr
+
+    def tearDown(self):
+        self._reset()
+
+    @patch("colorama.ansitowin32.winapi_test", lambda: True)
+    def testJustFixWindowsConsole(self):
+        if sys.platform != "win32":
+            # just_fix_windows_console should be a no-op
+            just_fix_windows_console()
+            self.assertIs(sys.stdout, orig_stdout)
+            self.assertIs(sys.stderr, orig_stderr)
+        else:
+            def fake_std():
+                # Emulate stdout=not a tty, stderr=tty
+                # to check that we handle both cases correctly
+                stdout = Mock()
+                stdout.closed = False
+                stdout.isatty.return_value = False
+                stdout.fileno.return_value = 1
+                sys.stdout = stdout
+
+                stderr = Mock()
+                stderr.closed = False
+                stderr.isatty.return_value = True
+                stderr.fileno.return_value = 2
+                sys.stderr = stderr
+
+            for native_ansi in [False, True]:
+                with patch(
+                    'colorama.ansitowin32.enable_vt_processing',
+                    lambda *_: native_ansi
+                ):
+                    self._reset()
+                    fake_std()
+
+                    # Regular single-call test
+                    prev_stdout = sys.stdout
+                    prev_stderr = sys.stderr
+                    just_fix_windows_console()
+                    self.assertIs(sys.stdout, prev_stdout)
+                    if native_ansi:
+                        self.assertIs(sys.stderr, prev_stderr)
+                    else:
+                        self.assertIsNot(sys.stderr, prev_stderr)
+
+                    # second call without resetting is always a no-op
+                    prev_stdout = sys.stdout
+                    prev_stderr = sys.stderr
+                    just_fix_windows_console()
+                    self.assertIs(sys.stdout, prev_stdout)
+                    self.assertIs(sys.stderr, prev_stderr)
+
+                    self._reset()
+                    fake_std()
+
+                    # If init() runs first, just_fix_windows_console should be a no-op
+                    init()
+                    prev_stdout = sys.stdout
+                    prev_stderr = sys.stderr
+                    just_fix_windows_console()
+                    self.assertIs(prev_stdout, sys.stdout)
+                    self.assertIs(prev_stderr, sys.stderr)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/isatty_test.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/isatty_test.py
new file mode 100644
index 00000000..0f84e4be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/isatty_test.py
@@ -0,0 +1,57 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+import sys
+from unittest import TestCase, main
+
+from ..ansitowin32 import StreamWrapper, AnsiToWin32
+from .utils import pycharm, replace_by, replace_original_by, StreamTTY, StreamNonTTY
+
+
+def is_a_tty(stream):
+    return StreamWrapper(stream, None).isatty()
+
+class IsattyTest(TestCase):
+
+    def test_TTY(self):
+        tty = StreamTTY()
+        self.assertTrue(is_a_tty(tty))
+        with pycharm():
+            self.assertTrue(is_a_tty(tty))
+
+    def test_nonTTY(self):
+        non_tty = StreamNonTTY()
+        self.assertFalse(is_a_tty(non_tty))
+        with pycharm():
+            self.assertFalse(is_a_tty(non_tty))
+
+    def test_withPycharm(self):
+        with pycharm():
+            self.assertTrue(is_a_tty(sys.stderr))
+            self.assertTrue(is_a_tty(sys.stdout))
+
+    def test_withPycharmTTYOverride(self):
+        tty = StreamTTY()
+        with pycharm(), replace_by(tty):
+            self.assertTrue(is_a_tty(tty))
+
+    def test_withPycharmNonTTYOverride(self):
+        non_tty = StreamNonTTY()
+        with pycharm(), replace_by(non_tty):
+            self.assertFalse(is_a_tty(non_tty))
+
+    def test_withPycharmNoneOverride(self):
+        with pycharm():
+            with replace_by(None), replace_original_by(None):
+                self.assertFalse(is_a_tty(None))
+                self.assertFalse(is_a_tty(StreamNonTTY()))
+                self.assertTrue(is_a_tty(StreamTTY()))
+
+    def test_withPycharmStreamWrapped(self):
+        with pycharm():
+            self.assertTrue(AnsiToWin32(StreamTTY()).stream.isatty())
+            self.assertFalse(AnsiToWin32(StreamNonTTY()).stream.isatty())
+            self.assertTrue(AnsiToWin32(sys.stdout).stream.isatty())
+            self.assertTrue(AnsiToWin32(sys.stderr).stream.isatty())
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/utils.py
new file mode 100644
index 00000000..472fafb4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/utils.py
@@ -0,0 +1,49 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+from contextlib import contextmanager
+from io import StringIO
+import sys
+import os
+
+
+class StreamTTY(StringIO):
+    def isatty(self):
+        return True
+
+class StreamNonTTY(StringIO):
+    def isatty(self):
+        return False
+
+@contextmanager
+def osname(name):
+    orig = os.name
+    os.name = name
+    yield
+    os.name = orig
+
+@contextmanager
+def replace_by(stream):
+    orig_stdout = sys.stdout
+    orig_stderr = sys.stderr
+    sys.stdout = stream
+    sys.stderr = stream
+    yield
+    sys.stdout = orig_stdout
+    sys.stderr = orig_stderr
+
+@contextmanager
+def replace_original_by(stream):
+    orig_stdout = sys.__stdout__
+    orig_stderr = sys.__stderr__
+    sys.__stdout__ = stream
+    sys.__stderr__ = stream
+    yield
+    sys.__stdout__ = orig_stdout
+    sys.__stderr__ = orig_stderr
+
+@contextmanager
+def pycharm():
+    os.environ["PYCHARM_HOSTED"] = "1"
+    non_tty = StreamNonTTY()
+    with replace_by(non_tty), replace_original_by(non_tty):
+        yield
+    del os.environ["PYCHARM_HOSTED"]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/winterm_test.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/winterm_test.py
new file mode 100644
index 00000000..d0955f9e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/tests/winterm_test.py
@@ -0,0 +1,131 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+import sys
+from unittest import TestCase, main, skipUnless
+
+try:
+    from unittest.mock import Mock, patch
+except ImportError:
+    from mock import Mock, patch
+
+from ..winterm import WinColor, WinStyle, WinTerm
+
+
+class WinTermTest(TestCase):
+
+    @patch('colorama.winterm.win32')
+    def testInit(self, mockWin32):
+        mockAttr = Mock()
+        mockAttr.wAttributes = 7 + 6 * 16 + 8
+        mockWin32.GetConsoleScreenBufferInfo.return_value = mockAttr
+        term = WinTerm()
+        self.assertEqual(term._fore, 7)
+        self.assertEqual(term._back, 6)
+        self.assertEqual(term._style, 8)
+
+    @skipUnless(sys.platform.startswith("win"), "requires Windows")
+    def testGetAttrs(self):
+        term = WinTerm()
+
+        term._fore = 0
+        term._back = 0
+        term._style = 0
+        self.assertEqual(term.get_attrs(), 0)
+
+        term._fore = WinColor.YELLOW
+        self.assertEqual(term.get_attrs(), WinColor.YELLOW)
+
+        term._back = WinColor.MAGENTA
+        self.assertEqual(
+            term.get_attrs(),
+            WinColor.YELLOW + WinColor.MAGENTA * 16)
+
+        term._style = WinStyle.BRIGHT
+        self.assertEqual(
+            term.get_attrs(),
+            WinColor.YELLOW + WinColor.MAGENTA * 16 + WinStyle.BRIGHT)
+
+    @patch('colorama.winterm.win32')
+    def testResetAll(self, mockWin32):
+        mockAttr = Mock()
+        mockAttr.wAttributes = 1 + 2 * 16 + 8
+        mockWin32.GetConsoleScreenBufferInfo.return_value = mockAttr
+        term = WinTerm()
+
+        term.set_console = Mock()
+        term._fore = -1
+        term._back = -1
+        term._style = -1
+
+        term.reset_all()
+
+        self.assertEqual(term._fore, 1)
+        self.assertEqual(term._back, 2)
+        self.assertEqual(term._style, 8)
+        self.assertEqual(term.set_console.called, True)
+
+    @skipUnless(sys.platform.startswith("win"), "requires Windows")
+    def testFore(self):
+        term = WinTerm()
+        term.set_console = Mock()
+        term._fore = 0
+
+        term.fore(5)
+
+        self.assertEqual(term._fore, 5)
+        self.assertEqual(term.set_console.called, True)
+
+    @skipUnless(sys.platform.startswith("win"), "requires Windows")
+    def testBack(self):
+        term = WinTerm()
+        term.set_console = Mock()
+        term._back = 0
+
+        term.back(5)
+
+        self.assertEqual(term._back, 5)
+        self.assertEqual(term.set_console.called, True)
+
+    @skipUnless(sys.platform.startswith("win"), "requires Windows")
+    def testStyle(self):
+        term = WinTerm()
+        term.set_console = Mock()
+        term._style = 0
+
+        term.style(22)
+
+        self.assertEqual(term._style, 22)
+        self.assertEqual(term.set_console.called, True)
+
+    @patch('colorama.winterm.win32')
+    def testSetConsole(self, mockWin32):
+        mockAttr = Mock()
+        mockAttr.wAttributes = 0
+        mockWin32.GetConsoleScreenBufferInfo.return_value = mockAttr
+        term = WinTerm()
+        term.windll = Mock()
+
+        term.set_console()
+
+        self.assertEqual(
+            mockWin32.SetConsoleTextAttribute.call_args,
+            ((mockWin32.STDOUT, term.get_attrs()), {})
+        )
+
+    @patch('colorama.winterm.win32')
+    def testSetConsoleOnStderr(self, mockWin32):
+        mockAttr = Mock()
+        mockAttr.wAttributes = 0
+        mockWin32.GetConsoleScreenBufferInfo.return_value = mockAttr
+        term = WinTerm()
+        term.windll = Mock()
+
+        term.set_console(on_stderr=True)
+
+        self.assertEqual(
+            mockWin32.SetConsoleTextAttribute.call_args,
+            ((mockWin32.STDERR, term.get_attrs()), {})
+        )
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/win32.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/win32.py
new file mode 100644
index 00000000..841b0e27
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/win32.py
@@ -0,0 +1,180 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+
+# from winbase.h
+STDOUT = -11
+STDERR = -12
+
+ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x0004
+
+try:
+    import ctypes
+    from ctypes import LibraryLoader
+    windll = LibraryLoader(ctypes.WinDLL)
+    from ctypes import wintypes
+except (AttributeError, ImportError):
+    windll = None
+    SetConsoleTextAttribute = lambda *_: None
+    winapi_test = lambda *_: None
+else:
+    from ctypes import byref, Structure, c_char, POINTER
+
+    COORD = wintypes._COORD
+
+    class CONSOLE_SCREEN_BUFFER_INFO(Structure):
+        """struct in wincon.h."""
+        _fields_ = [
+            ("dwSize", COORD),
+            ("dwCursorPosition", COORD),
+            ("wAttributes", wintypes.WORD),
+            ("srWindow", wintypes.SMALL_RECT),
+            ("dwMaximumWindowSize", COORD),
+        ]
+        def __str__(self):
+            return '(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)' % (
+                self.dwSize.Y, self.dwSize.X
+                , self.dwCursorPosition.Y, self.dwCursorPosition.X
+                , self.wAttributes
+                , self.srWindow.Top, self.srWindow.Left, self.srWindow.Bottom, self.srWindow.Right
+                , self.dwMaximumWindowSize.Y, self.dwMaximumWindowSize.X
+            )
+
+    _GetStdHandle = windll.kernel32.GetStdHandle
+    _GetStdHandle.argtypes = [
+        wintypes.DWORD,
+    ]
+    _GetStdHandle.restype = wintypes.HANDLE
+
+    _GetConsoleScreenBufferInfo = windll.kernel32.GetConsoleScreenBufferInfo
+    _GetConsoleScreenBufferInfo.argtypes = [
+        wintypes.HANDLE,
+        POINTER(CONSOLE_SCREEN_BUFFER_INFO),
+    ]
+    _GetConsoleScreenBufferInfo.restype = wintypes.BOOL
+
+    _SetConsoleTextAttribute = windll.kernel32.SetConsoleTextAttribute
+    _SetConsoleTextAttribute.argtypes = [
+        wintypes.HANDLE,
+        wintypes.WORD,
+    ]
+    _SetConsoleTextAttribute.restype = wintypes.BOOL
+
+    _SetConsoleCursorPosition = windll.kernel32.SetConsoleCursorPosition
+    _SetConsoleCursorPosition.argtypes = [
+        wintypes.HANDLE,
+        COORD,
+    ]
+    _SetConsoleCursorPosition.restype = wintypes.BOOL
+
+    _FillConsoleOutputCharacterA = windll.kernel32.FillConsoleOutputCharacterA
+    _FillConsoleOutputCharacterA.argtypes = [
+        wintypes.HANDLE,
+        c_char,
+        wintypes.DWORD,
+        COORD,
+        POINTER(wintypes.DWORD),
+    ]
+    _FillConsoleOutputCharacterA.restype = wintypes.BOOL
+
+    _FillConsoleOutputAttribute = windll.kernel32.FillConsoleOutputAttribute
+    _FillConsoleOutputAttribute.argtypes = [
+        wintypes.HANDLE,
+        wintypes.WORD,
+        wintypes.DWORD,
+        COORD,
+        POINTER(wintypes.DWORD),
+    ]
+    _FillConsoleOutputAttribute.restype = wintypes.BOOL
+
+    _SetConsoleTitleW = windll.kernel32.SetConsoleTitleW
+    _SetConsoleTitleW.argtypes = [
+        wintypes.LPCWSTR
+    ]
+    _SetConsoleTitleW.restype = wintypes.BOOL
+
+    _GetConsoleMode = windll.kernel32.GetConsoleMode
+    _GetConsoleMode.argtypes = [
+        wintypes.HANDLE,
+        POINTER(wintypes.DWORD)
+    ]
+    _GetConsoleMode.restype = wintypes.BOOL
+
+    _SetConsoleMode = windll.kernel32.SetConsoleMode
+    _SetConsoleMode.argtypes = [
+        wintypes.HANDLE,
+        wintypes.DWORD
+    ]
+    _SetConsoleMode.restype = wintypes.BOOL
+
+    def _winapi_test(handle):
+        csbi = CONSOLE_SCREEN_BUFFER_INFO()
+        success = _GetConsoleScreenBufferInfo(
+            handle, byref(csbi))
+        return bool(success)
+
+    def winapi_test():
+        return any(_winapi_test(h) for h in
+                   (_GetStdHandle(STDOUT), _GetStdHandle(STDERR)))
+
+    def GetConsoleScreenBufferInfo(stream_id=STDOUT):
+        handle = _GetStdHandle(stream_id)
+        csbi = CONSOLE_SCREEN_BUFFER_INFO()
+        success = _GetConsoleScreenBufferInfo(
+            handle, byref(csbi))
+        return csbi
+
+    def SetConsoleTextAttribute(stream_id, attrs):
+        handle = _GetStdHandle(stream_id)
+        return _SetConsoleTextAttribute(handle, attrs)
+
+    def SetConsoleCursorPosition(stream_id, position, adjust=True):
+        position = COORD(*position)
+        # If the position is out of range, do nothing.
+        if position.Y <= 0 or position.X <= 0:
+            return
+        # Adjust for Windows' SetConsoleCursorPosition:
+        #    1. being 0-based, while ANSI is 1-based.
+        #    2. expecting (x,y), while ANSI uses (y,x).
+        adjusted_position = COORD(position.Y - 1, position.X - 1)
+        if adjust:
+            # Adjust for viewport's scroll position
+            sr = GetConsoleScreenBufferInfo(STDOUT).srWindow
+            adjusted_position.Y += sr.Top
+            adjusted_position.X += sr.Left
+        # Resume normal processing
+        handle = _GetStdHandle(stream_id)
+        return _SetConsoleCursorPosition(handle, adjusted_position)
+
+    def FillConsoleOutputCharacter(stream_id, char, length, start):
+        handle = _GetStdHandle(stream_id)
+        char = c_char(char.encode())
+        length = wintypes.DWORD(length)
+        num_written = wintypes.DWORD(0)
+        # Note that this is hard-coded for ANSI (vs wide) bytes.
+        success = _FillConsoleOutputCharacterA(
+            handle, char, length, start, byref(num_written))
+        return num_written.value
+
+    def FillConsoleOutputAttribute(stream_id, attr, length, start):
+        ''' FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten )'''
+        handle = _GetStdHandle(stream_id)
+        attribute = wintypes.WORD(attr)
+        length = wintypes.DWORD(length)
+        num_written = wintypes.DWORD(0)
+        # Note that this is hard-coded for ANSI (vs wide) bytes.
+        return _FillConsoleOutputAttribute(
+            handle, attribute, length, start, byref(num_written))
+
+    def SetConsoleTitle(title):
+        return _SetConsoleTitleW(title)
+
+    def GetConsoleMode(handle):
+        mode = wintypes.DWORD()
+        success = _GetConsoleMode(handle, byref(mode))
+        if not success:
+            raise ctypes.WinError()
+        return mode.value
+
+    def SetConsoleMode(handle, mode):
+        success = _SetConsoleMode(handle, mode)
+        if not success:
+            raise ctypes.WinError()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/winterm.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/winterm.py
new file mode 100644
index 00000000..aad867e8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/colorama/winterm.py
@@ -0,0 +1,195 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+try:
+    from msvcrt import get_osfhandle
+except ImportError:
+    def get_osfhandle(_):
+        raise OSError("This isn't windows!")
+
+
+from . import win32
+
+# from wincon.h
+class WinColor(object):
+    BLACK   = 0
+    BLUE    = 1
+    GREEN   = 2
+    CYAN    = 3
+    RED     = 4
+    MAGENTA = 5
+    YELLOW  = 6
+    GREY    = 7
+
+# from wincon.h
+class WinStyle(object):
+    NORMAL              = 0x00 # dim text, dim background
+    BRIGHT              = 0x08 # bright text, dim background
+    BRIGHT_BACKGROUND   = 0x80 # dim text, bright background
+
+class WinTerm(object):
+
+    def __init__(self):
+        self._default = win32.GetConsoleScreenBufferInfo(win32.STDOUT).wAttributes
+        self.set_attrs(self._default)
+        self._default_fore = self._fore
+        self._default_back = self._back
+        self._default_style = self._style
+        # In order to emulate LIGHT_EX in windows, we borrow the BRIGHT style.
+        # So that LIGHT_EX colors and BRIGHT style do not clobber each other,
+        # we track them separately, since LIGHT_EX is overwritten by Fore/Back
+        # and BRIGHT is overwritten by Style codes.
+        self._light = 0
+
+    def get_attrs(self):
+        return self._fore + self._back * 16 + (self._style | self._light)
+
+    def set_attrs(self, value):
+        self._fore = value & 7
+        self._back = (value >> 4) & 7
+        self._style = value & (WinStyle.BRIGHT | WinStyle.BRIGHT_BACKGROUND)
+
+    def reset_all(self, on_stderr=None):
+        self.set_attrs(self._default)
+        self.set_console(attrs=self._default)
+        self._light = 0
+
+    def fore(self, fore=None, light=False, on_stderr=False):
+        if fore is None:
+            fore = self._default_fore
+        self._fore = fore
+        # Emulate LIGHT_EX with BRIGHT Style
+        if light:
+            self._light |= WinStyle.BRIGHT
+        else:
+            self._light &= ~WinStyle.BRIGHT
+        self.set_console(on_stderr=on_stderr)
+
+    def back(self, back=None, light=False, on_stderr=False):
+        if back is None:
+            back = self._default_back
+        self._back = back
+        # Emulate LIGHT_EX with BRIGHT_BACKGROUND Style
+        if light:
+            self._light |= WinStyle.BRIGHT_BACKGROUND
+        else:
+            self._light &= ~WinStyle.BRIGHT_BACKGROUND
+        self.set_console(on_stderr=on_stderr)
+
+    def style(self, style=None, on_stderr=False):
+        if style is None:
+            style = self._default_style
+        self._style = style
+        self.set_console(on_stderr=on_stderr)
+
+    def set_console(self, attrs=None, on_stderr=False):
+        if attrs is None:
+            attrs = self.get_attrs()
+        handle = win32.STDOUT
+        if on_stderr:
+            handle = win32.STDERR
+        win32.SetConsoleTextAttribute(handle, attrs)
+
+    def get_position(self, handle):
+        position = win32.GetConsoleScreenBufferInfo(handle).dwCursorPosition
+        # Because Windows coordinates are 0-based,
+        # and win32.SetConsoleCursorPosition expects 1-based.
+        position.X += 1
+        position.Y += 1
+        return position
+
+    def set_cursor_position(self, position=None, on_stderr=False):
+        if position is None:
+            # I'm not currently tracking the position, so there is no default.
+            # position = self.get_position()
+            return
+        handle = win32.STDOUT
+        if on_stderr:
+            handle = win32.STDERR
+        win32.SetConsoleCursorPosition(handle, position)
+
+    def cursor_adjust(self, x, y, on_stderr=False):
+        handle = win32.STDOUT
+        if on_stderr:
+            handle = win32.STDERR
+        position = self.get_position(handle)
+        adjusted_position = (position.Y + y, position.X + x)
+        win32.SetConsoleCursorPosition(handle, adjusted_position, adjust=False)
+
+    def erase_screen(self, mode=0, on_stderr=False):
+        # 0 should clear from the cursor to the end of the screen.
+        # 1 should clear from the cursor to the beginning of the screen.
+        # 2 should clear the entire screen, and move cursor to (1,1)
+        handle = win32.STDOUT
+        if on_stderr:
+            handle = win32.STDERR
+        csbi = win32.GetConsoleScreenBufferInfo(handle)
+        # get the number of character cells in the current buffer
+        cells_in_screen = csbi.dwSize.X * csbi.dwSize.Y
+        # get number of character cells before current cursor position
+        cells_before_cursor = csbi.dwSize.X * csbi.dwCursorPosition.Y + csbi.dwCursorPosition.X
+        if mode == 0:
+            from_coord = csbi.dwCursorPosition
+            cells_to_erase = cells_in_screen - cells_before_cursor
+        elif mode == 1:
+            from_coord = win32.COORD(0, 0)
+            cells_to_erase = cells_before_cursor
+        elif mode == 2:
+            from_coord = win32.COORD(0, 0)
+            cells_to_erase = cells_in_screen
+        else:
+            # invalid mode
+            return
+        # fill the entire screen with blanks
+        win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord)
+        # now set the buffer's attributes accordingly
+        win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord)
+        if mode == 2:
+            # put the cursor where needed
+            win32.SetConsoleCursorPosition(handle, (1, 1))
+
+    def erase_line(self, mode=0, on_stderr=False):
+        # 0 should clear from the cursor to the end of the line.
+        # 1 should clear from the cursor to the beginning of the line.
+        # 2 should clear the entire line.
+        handle = win32.STDOUT
+        if on_stderr:
+            handle = win32.STDERR
+        csbi = win32.GetConsoleScreenBufferInfo(handle)
+        if mode == 0:
+            from_coord = csbi.dwCursorPosition
+            cells_to_erase = csbi.dwSize.X - csbi.dwCursorPosition.X
+        elif mode == 1:
+            from_coord = win32.COORD(0, csbi.dwCursorPosition.Y)
+            cells_to_erase = csbi.dwCursorPosition.X
+        elif mode == 2:
+            from_coord = win32.COORD(0, csbi.dwCursorPosition.Y)
+            cells_to_erase = csbi.dwSize.X
+        else:
+            # invalid mode
+            return
+        # fill the entire screen with blanks
+        win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord)
+        # now set the buffer's attributes accordingly
+        win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord)
+
+    def set_title(self, title):
+        win32.SetConsoleTitle(title)
+
+
+def enable_vt_processing(fd):
+    if win32.windll is None or not win32.winapi_test():
+        return False
+
+    try:
+        handle = get_osfhandle(fd)
+        mode = win32.GetConsoleMode(handle)
+        win32.SetConsoleMode(
+            handle,
+            mode | win32.ENABLE_VIRTUAL_TERMINAL_PROCESSING,
+        )
+
+        mode = win32.GetConsoleMode(handle)
+        if mode & win32.ENABLE_VIRTUAL_TERMINAL_PROCESSING:
+            return True
+    # Can get TypeError in testsuite where 'fd' is a Mock()
+    except (OSError, TypeError):
+        return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/__init__.py
new file mode 100644
index 00000000..e999438f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/__init__.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2023 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+import logging
+
+__version__ = '0.3.8'
+
+
+class DistlibException(Exception):
+    pass
+
+
+try:
+    from logging import NullHandler
+except ImportError:  # pragma: no cover
+
+    class NullHandler(logging.Handler):
+
+        def handle(self, record):
+            pass
+
+        def emit(self, record):
+            pass
+
+        def createLock(self):
+            self.lock = None
+
+
+logger = logging.getLogger(__name__)
+logger.addHandler(NullHandler())
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/compat.py
new file mode 100644
index 00000000..e93dc27a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/compat.py
@@ -0,0 +1,1138 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2017 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import absolute_import
+
+import os
+import re
+import shutil
+import sys
+
+try:
+    import ssl
+except ImportError:  # pragma: no cover
+    ssl = None
+
+if sys.version_info[0] < 3:  # pragma: no cover
+    from StringIO import StringIO
+    string_types = basestring,
+    text_type = unicode
+    from types import FileType as file_type
+    import __builtin__ as builtins
+    import ConfigParser as configparser
+    from urlparse import urlparse, urlunparse, urljoin, urlsplit, urlunsplit
+    from urllib import (urlretrieve, quote as _quote, unquote, url2pathname,
+                        pathname2url, ContentTooShortError, splittype)
+
+    def quote(s):
+        if isinstance(s, unicode):
+            s = s.encode('utf-8')
+        return _quote(s)
+
+    import urllib2
+    from urllib2 import (Request, urlopen, URLError, HTTPError,
+                         HTTPBasicAuthHandler, HTTPPasswordMgr, HTTPHandler,
+                         HTTPRedirectHandler, build_opener)
+    if ssl:
+        from urllib2 import HTTPSHandler
+    import httplib
+    import xmlrpclib
+    import Queue as queue
+    from HTMLParser import HTMLParser
+    import htmlentitydefs
+    raw_input = raw_input
+    from itertools import ifilter as filter
+    from itertools import ifilterfalse as filterfalse
+
+    # Leaving this around for now, in case it needs resurrecting in some way
+    # _userprog = None
+    # def splituser(host):
+    # """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'."""
+    # global _userprog
+    # if _userprog is None:
+    # import re
+    # _userprog = re.compile('^(.*)@(.*)$')
+
+    # match = _userprog.match(host)
+    # if match: return match.group(1, 2)
+    # return None, host
+
+else:  # pragma: no cover
+    from io import StringIO
+    string_types = str,
+    text_type = str
+    from io import TextIOWrapper as file_type
+    import builtins
+    import configparser
+    from urllib.parse import (urlparse, urlunparse, urljoin, quote, unquote,
+                              urlsplit, urlunsplit, splittype)
+    from urllib.request import (urlopen, urlretrieve, Request, url2pathname,
+                                pathname2url, HTTPBasicAuthHandler,
+                                HTTPPasswordMgr, HTTPHandler,
+                                HTTPRedirectHandler, build_opener)
+    if ssl:
+        from urllib.request import HTTPSHandler
+    from urllib.error import HTTPError, URLError, ContentTooShortError
+    import http.client as httplib
+    import urllib.request as urllib2
+    import xmlrpc.client as xmlrpclib
+    import queue
+    from html.parser import HTMLParser
+    import html.entities as htmlentitydefs
+    raw_input = input
+    from itertools import filterfalse
+    filter = filter
+
+try:
+    from ssl import match_hostname, CertificateError
+except ImportError:  # pragma: no cover
+
+    class CertificateError(ValueError):
+        pass
+
+    def _dnsname_match(dn, hostname, max_wildcards=1):
+        """Matching according to RFC 6125, section 6.4.3
+
+        http://tools.ietf.org/html/rfc6125#section-6.4.3
+        """
+        pats = []
+        if not dn:
+            return False
+
+        parts = dn.split('.')
+        leftmost, remainder = parts[0], parts[1:]
+
+        wildcards = leftmost.count('*')
+        if wildcards > max_wildcards:
+            # Issue #17980: avoid denials of service by refusing more
+            # than one wildcard per fragment.  A survey of established
+            # policy among SSL implementations showed it to be a
+            # reasonable choice.
+            raise CertificateError(
+                "too many wildcards in certificate DNS name: " + repr(dn))
+
+        # speed up common case w/o wildcards
+        if not wildcards:
+            return dn.lower() == hostname.lower()
+
+        # RFC 6125, section 6.4.3, subitem 1.
+        # The client SHOULD NOT attempt to match a presented identifier in which
+        # the wildcard character comprises a label other than the left-most label.
+        if leftmost == '*':
+            # When '*' is a fragment by itself, it matches a non-empty dotless
+            # fragment.
+            pats.append('[^.]+')
+        elif leftmost.startswith('xn--') or hostname.startswith('xn--'):
+            # RFC 6125, section 6.4.3, subitem 3.
+            # The client SHOULD NOT attempt to match a presented identifier
+            # where the wildcard character is embedded within an A-label or
+            # U-label of an internationalized domain name.
+            pats.append(re.escape(leftmost))
+        else:
+            # Otherwise, '*' matches any dotless string, e.g. www*
+            pats.append(re.escape(leftmost).replace(r'\*', '[^.]*'))
+
+        # add the remaining fragments, ignore any wildcards
+        for frag in remainder:
+            pats.append(re.escape(frag))
+
+        pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE)
+        return pat.match(hostname)
+
+    def match_hostname(cert, hostname):
+        """Verify that *cert* (in decoded format as returned by
+        SSLSocket.getpeercert()) matches the *hostname*.  RFC 2818 and RFC 6125
+        rules are followed, but IP addresses are not accepted for *hostname*.
+
+        CertificateError is raised on failure. On success, the function
+        returns nothing.
+        """
+        if not cert:
+            raise ValueError("empty or no certificate, match_hostname needs a "
+                             "SSL socket or SSL context with either "
+                             "CERT_OPTIONAL or CERT_REQUIRED")
+        dnsnames = []
+        san = cert.get('subjectAltName', ())
+        for key, value in san:
+            if key == 'DNS':
+                if _dnsname_match(value, hostname):
+                    return
+                dnsnames.append(value)
+        if not dnsnames:
+            # The subject is only checked when there is no dNSName entry
+            # in subjectAltName
+            for sub in cert.get('subject', ()):
+                for key, value in sub:
+                    # XXX according to RFC 2818, the most specific Common Name
+                    # must be used.
+                    if key == 'commonName':
+                        if _dnsname_match(value, hostname):
+                            return
+                        dnsnames.append(value)
+        if len(dnsnames) > 1:
+            raise CertificateError("hostname %r "
+                                   "doesn't match either of %s" %
+                                   (hostname, ', '.join(map(repr, dnsnames))))
+        elif len(dnsnames) == 1:
+            raise CertificateError("hostname %r "
+                                   "doesn't match %r" %
+                                   (hostname, dnsnames[0]))
+        else:
+            raise CertificateError("no appropriate commonName or "
+                                   "subjectAltName fields were found")
+
+
+try:
+    from types import SimpleNamespace as Container
+except ImportError:  # pragma: no cover
+
+    class Container(object):
+        """
+        A generic container for when multiple values need to be returned
+        """
+
+        def __init__(self, **kwargs):
+            self.__dict__.update(kwargs)
+
+
+try:
+    from shutil import which
+except ImportError:  # pragma: no cover
+    # Implementation from Python 3.3
+    def which(cmd, mode=os.F_OK | os.X_OK, path=None):
+        """Given a command, mode, and a PATH string, return the path which
+        conforms to the given mode on the PATH, or None if there is no such
+        file.
+
+        `mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result
+        of os.environ.get("PATH"), or can be overridden with a custom search
+        path.
+
+        """
+
+        # Check that a given file can be accessed with the correct mode.
+        # Additionally check that `file` is not a directory, as on Windows
+        # directories pass the os.access check.
+        def _access_check(fn, mode):
+            return (os.path.exists(fn) and os.access(fn, mode)
+                    and not os.path.isdir(fn))
+
+        # If we're given a path with a directory part, look it up directly rather
+        # than referring to PATH directories. This includes checking relative to the
+        # current directory, e.g. ./script
+        if os.path.dirname(cmd):
+            if _access_check(cmd, mode):
+                return cmd
+            return None
+
+        if path is None:
+            path = os.environ.get("PATH", os.defpath)
+        if not path:
+            return None
+        path = path.split(os.pathsep)
+
+        if sys.platform == "win32":
+            # The current directory takes precedence on Windows.
+            if os.curdir not in path:
+                path.insert(0, os.curdir)
+
+            # PATHEXT is necessary to check on Windows.
+            pathext = os.environ.get("PATHEXT", "").split(os.pathsep)
+            # See if the given file matches any of the expected path extensions.
+            # This will allow us to short circuit when given "python.exe".
+            # If it does match, only test that one, otherwise we have to try
+            # others.
+            if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
+                files = [cmd]
+            else:
+                files = [cmd + ext for ext in pathext]
+        else:
+            # On other platforms you don't have things like PATHEXT to tell you
+            # what file suffixes are executable, so just pass on cmd as-is.
+            files = [cmd]
+
+        seen = set()
+        for dir in path:
+            normdir = os.path.normcase(dir)
+            if normdir not in seen:
+                seen.add(normdir)
+                for thefile in files:
+                    name = os.path.join(dir, thefile)
+                    if _access_check(name, mode):
+                        return name
+        return None
+
+
+# ZipFile is a context manager in 2.7, but not in 2.6
+
+from zipfile import ZipFile as BaseZipFile
+
+if hasattr(BaseZipFile, '__enter__'):  # pragma: no cover
+    ZipFile = BaseZipFile
+else:  # pragma: no cover
+    from zipfile import ZipExtFile as BaseZipExtFile
+
+    class ZipExtFile(BaseZipExtFile):
+
+        def __init__(self, base):
+            self.__dict__.update(base.__dict__)
+
+        def __enter__(self):
+            return self
+
+        def __exit__(self, *exc_info):
+            self.close()
+            # return None, so if an exception occurred, it will propagate
+
+    class ZipFile(BaseZipFile):
+
+        def __enter__(self):
+            return self
+
+        def __exit__(self, *exc_info):
+            self.close()
+            # return None, so if an exception occurred, it will propagate
+
+        def open(self, *args, **kwargs):
+            base = BaseZipFile.open(self, *args, **kwargs)
+            return ZipExtFile(base)
+
+
+try:
+    from platform import python_implementation
+except ImportError:  # pragma: no cover
+
+    def python_implementation():
+        """Return a string identifying the Python implementation."""
+        if 'PyPy' in sys.version:
+            return 'PyPy'
+        if os.name == 'java':
+            return 'Jython'
+        if sys.version.startswith('IronPython'):
+            return 'IronPython'
+        return 'CPython'
+
+
+import sysconfig
+
+try:
+    callable = callable
+except NameError:  # pragma: no cover
+    from collections.abc import Callable
+
+    def callable(obj):
+        return isinstance(obj, Callable)
+
+
+try:
+    fsencode = os.fsencode
+    fsdecode = os.fsdecode
+except AttributeError:  # pragma: no cover
+    # Issue #99: on some systems (e.g. containerised),
+    # sys.getfilesystemencoding() returns None, and we need a real value,
+    # so fall back to utf-8. From the CPython 2.7 docs relating to Unix and
+    # sys.getfilesystemencoding(): the return value is "the user’s preference
+    # according to the result of nl_langinfo(CODESET), or None if the
+    # nl_langinfo(CODESET) failed."
+    _fsencoding = sys.getfilesystemencoding() or 'utf-8'
+    if _fsencoding == 'mbcs':
+        _fserrors = 'strict'
+    else:
+        _fserrors = 'surrogateescape'
+
+    def fsencode(filename):
+        if isinstance(filename, bytes):
+            return filename
+        elif isinstance(filename, text_type):
+            return filename.encode(_fsencoding, _fserrors)
+        else:
+            raise TypeError("expect bytes or str, not %s" %
+                            type(filename).__name__)
+
+    def fsdecode(filename):
+        if isinstance(filename, text_type):
+            return filename
+        elif isinstance(filename, bytes):
+            return filename.decode(_fsencoding, _fserrors)
+        else:
+            raise TypeError("expect bytes or str, not %s" %
+                            type(filename).__name__)
+
+
+try:
+    from tokenize import detect_encoding
+except ImportError:  # pragma: no cover
+    from codecs import BOM_UTF8, lookup
+
+    cookie_re = re.compile(r"coding[:=]\s*([-\w.]+)")
+
+    def _get_normal_name(orig_enc):
+        """Imitates get_normal_name in tokenizer.c."""
+        # Only care about the first 12 characters.
+        enc = orig_enc[:12].lower().replace("_", "-")
+        if enc == "utf-8" or enc.startswith("utf-8-"):
+            return "utf-8"
+        if enc in ("latin-1", "iso-8859-1", "iso-latin-1") or \
+           enc.startswith(("latin-1-", "iso-8859-1-", "iso-latin-1-")):
+            return "iso-8859-1"
+        return orig_enc
+
+    def detect_encoding(readline):
+        """
+        The detect_encoding() function is used to detect the encoding that should
+        be used to decode a Python source file.  It requires one argument, readline,
+        in the same way as the tokenize() generator.
+
+        It will call readline a maximum of twice, and return the encoding used
+        (as a string) and a list of any lines (left as bytes) it has read in.
+
+        It detects the encoding from the presence of a utf-8 bom or an encoding
+        cookie as specified in pep-0263.  If both a bom and a cookie are present,
+        but disagree, a SyntaxError will be raised.  If the encoding cookie is an
+        invalid charset, raise a SyntaxError.  Note that if a utf-8 bom is found,
+        'utf-8-sig' is returned.
+
+        If no encoding is specified, then the default of 'utf-8' will be returned.
+        """
+        try:
+            filename = readline.__self__.name
+        except AttributeError:
+            filename = None
+        bom_found = False
+        encoding = None
+        default = 'utf-8'
+
+        def read_or_stop():
+            try:
+                return readline()
+            except StopIteration:
+                return b''
+
+        def find_cookie(line):
+            try:
+                # Decode as UTF-8. Either the line is an encoding declaration,
+                # in which case it should be pure ASCII, or it must be UTF-8
+                # per default encoding.
+                line_string = line.decode('utf-8')
+            except UnicodeDecodeError:
+                msg = "invalid or missing encoding declaration"
+                if filename is not None:
+                    msg = '{} for {!r}'.format(msg, filename)
+                raise SyntaxError(msg)
+
+            matches = cookie_re.findall(line_string)
+            if not matches:
+                return None
+            encoding = _get_normal_name(matches[0])
+            try:
+                codec = lookup(encoding)
+            except LookupError:
+                # This behaviour mimics the Python interpreter
+                if filename is None:
+                    msg = "unknown encoding: " + encoding
+                else:
+                    msg = "unknown encoding for {!r}: {}".format(
+                        filename, encoding)
+                raise SyntaxError(msg)
+
+            if bom_found:
+                if codec.name != 'utf-8':
+                    # This behaviour mimics the Python interpreter
+                    if filename is None:
+                        msg = 'encoding problem: utf-8'
+                    else:
+                        msg = 'encoding problem for {!r}: utf-8'.format(
+                            filename)
+                    raise SyntaxError(msg)
+                encoding += '-sig'
+            return encoding
+
+        first = read_or_stop()
+        if first.startswith(BOM_UTF8):
+            bom_found = True
+            first = first[3:]
+            default = 'utf-8-sig'
+        if not first:
+            return default, []
+
+        encoding = find_cookie(first)
+        if encoding:
+            return encoding, [first]
+
+        second = read_or_stop()
+        if not second:
+            return default, [first]
+
+        encoding = find_cookie(second)
+        if encoding:
+            return encoding, [first, second]
+
+        return default, [first, second]
+
+
+# For converting & <-> &amp; etc.
+try:
+    from html import escape
+except ImportError:
+    from cgi import escape
+if sys.version_info[:2] < (3, 4):
+    unescape = HTMLParser().unescape
+else:
+    from html import unescape
+
+try:
+    from collections import ChainMap
+except ImportError:  # pragma: no cover
+    from collections import MutableMapping
+
+    try:
+        from reprlib import recursive_repr as _recursive_repr
+    except ImportError:
+
+        def _recursive_repr(fillvalue='...'):
+            '''
+            Decorator to make a repr function return fillvalue for a recursive
+            call
+            '''
+
+            def decorating_function(user_function):
+                repr_running = set()
+
+                def wrapper(self):
+                    key = id(self), get_ident()
+                    if key in repr_running:
+                        return fillvalue
+                    repr_running.add(key)
+                    try:
+                        result = user_function(self)
+                    finally:
+                        repr_running.discard(key)
+                    return result
+
+                # Can't use functools.wraps() here because of bootstrap issues
+                wrapper.__module__ = getattr(user_function, '__module__')
+                wrapper.__doc__ = getattr(user_function, '__doc__')
+                wrapper.__name__ = getattr(user_function, '__name__')
+                wrapper.__annotations__ = getattr(user_function,
+                                                  '__annotations__', {})
+                return wrapper
+
+            return decorating_function
+
+    class ChainMap(MutableMapping):
+        '''
+        A ChainMap groups multiple dicts (or other mappings) together
+        to create a single, updateable view.
+
+        The underlying mappings are stored in a list.  That list is public and can
+        accessed or updated using the *maps* attribute.  There is no other state.
+
+        Lookups search the underlying mappings successively until a key is found.
+        In contrast, writes, updates, and deletions only operate on the first
+        mapping.
+        '''
+
+        def __init__(self, *maps):
+            '''Initialize a ChainMap by setting *maps* to the given mappings.
+            If no mappings are provided, a single empty dictionary is used.
+
+            '''
+            self.maps = list(maps) or [{}]  # always at least one map
+
+        def __missing__(self, key):
+            raise KeyError(key)
+
+        def __getitem__(self, key):
+            for mapping in self.maps:
+                try:
+                    return mapping[
+                        key]  # can't use 'key in mapping' with defaultdict
+                except KeyError:
+                    pass
+            return self.__missing__(
+                key)  # support subclasses that define __missing__
+
+        def get(self, key, default=None):
+            return self[key] if key in self else default
+
+        def __len__(self):
+            return len(set().union(
+                *self.maps))  # reuses stored hash values if possible
+
+        def __iter__(self):
+            return iter(set().union(*self.maps))
+
+        def __contains__(self, key):
+            return any(key in m for m in self.maps)
+
+        def __bool__(self):
+            return any(self.maps)
+
+        @_recursive_repr()
+        def __repr__(self):
+            return '{0.__class__.__name__}({1})'.format(
+                self, ', '.join(map(repr, self.maps)))
+
+        @classmethod
+        def fromkeys(cls, iterable, *args):
+            'Create a ChainMap with a single dict created from the iterable.'
+            return cls(dict.fromkeys(iterable, *args))
+
+        def copy(self):
+            'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]'
+            return self.__class__(self.maps[0].copy(), *self.maps[1:])
+
+        __copy__ = copy
+
+        def new_child(self):  # like Django's Context.push()
+            'New ChainMap with a new dict followed by all previous maps.'
+            return self.__class__({}, *self.maps)
+
+        @property
+        def parents(self):  # like Django's Context.pop()
+            'New ChainMap from maps[1:].'
+            return self.__class__(*self.maps[1:])
+
+        def __setitem__(self, key, value):
+            self.maps[0][key] = value
+
+        def __delitem__(self, key):
+            try:
+                del self.maps[0][key]
+            except KeyError:
+                raise KeyError(
+                    'Key not found in the first mapping: {!r}'.format(key))
+
+        def popitem(self):
+            'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.'
+            try:
+                return self.maps[0].popitem()
+            except KeyError:
+                raise KeyError('No keys found in the first mapping.')
+
+        def pop(self, key, *args):
+            'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].'
+            try:
+                return self.maps[0].pop(key, *args)
+            except KeyError:
+                raise KeyError(
+                    'Key not found in the first mapping: {!r}'.format(key))
+
+        def clear(self):
+            'Clear maps[0], leaving maps[1:] intact.'
+            self.maps[0].clear()
+
+
+try:
+    from importlib.util import cache_from_source  # Python >= 3.4
+except ImportError:  # pragma: no cover
+
+    def cache_from_source(path, debug_override=None):
+        assert path.endswith('.py')
+        if debug_override is None:
+            debug_override = __debug__
+        if debug_override:
+            suffix = 'c'
+        else:
+            suffix = 'o'
+        return path + suffix
+
+
+try:
+    from collections import OrderedDict
+except ImportError:  # pragma: no cover
+    # {{{ http://code.activestate.com/recipes/576693/ (r9)
+    # Backport of OrderedDict() class that runs on Python 2.4, 2.5, 2.6, 2.7 and pypy.
+    # Passes Python2.7's test suite and incorporates all the latest updates.
+    try:
+        from thread import get_ident as _get_ident
+    except ImportError:
+        from dummy_thread import get_ident as _get_ident
+
+    try:
+        from _abcoll import KeysView, ValuesView, ItemsView
+    except ImportError:
+        pass
+
+    class OrderedDict(dict):
+        'Dictionary that remembers insertion order'
+
+        # An inherited dict maps keys to values.
+        # The inherited dict provides __getitem__, __len__, __contains__, and get.
+        # The remaining methods are order-aware.
+        # Big-O running times for all methods are the same as for regular dictionaries.
+
+        # The internal self.__map dictionary maps keys to links in a doubly linked list.
+        # The circular doubly linked list starts and ends with a sentinel element.
+        # The sentinel element never gets deleted (this simplifies the algorithm).
+        # Each link is stored as a list of length three:  [PREV, NEXT, KEY].
+
+        def __init__(self, *args, **kwds):
+            '''Initialize an ordered dictionary.  Signature is the same as for
+            regular dictionaries, but keyword arguments are not recommended
+            because their insertion order is arbitrary.
+
+            '''
+            if len(args) > 1:
+                raise TypeError('expected at most 1 arguments, got %d' %
+                                len(args))
+            try:
+                self.__root
+            except AttributeError:
+                self.__root = root = []  # sentinel node
+                root[:] = [root, root, None]
+                self.__map = {}
+            self.__update(*args, **kwds)
+
+        def __setitem__(self, key, value, dict_setitem=dict.__setitem__):
+            'od.__setitem__(i, y) <==> od[i]=y'
+            # Setting a new item creates a new link which goes at the end of the linked
+            # list, and the inherited dictionary is updated with the new key/value pair.
+            if key not in self:
+                root = self.__root
+                last = root[0]
+                last[1] = root[0] = self.__map[key] = [last, root, key]
+            dict_setitem(self, key, value)
+
+        def __delitem__(self, key, dict_delitem=dict.__delitem__):
+            'od.__delitem__(y) <==> del od[y]'
+            # Deleting an existing item uses self.__map to find the link which is
+            # then removed by updating the links in the predecessor and successor nodes.
+            dict_delitem(self, key)
+            link_prev, link_next, key = self.__map.pop(key)
+            link_prev[1] = link_next
+            link_next[0] = link_prev
+
+        def __iter__(self):
+            'od.__iter__() <==> iter(od)'
+            root = self.__root
+            curr = root[1]
+            while curr is not root:
+                yield curr[2]
+                curr = curr[1]
+
+        def __reversed__(self):
+            'od.__reversed__() <==> reversed(od)'
+            root = self.__root
+            curr = root[0]
+            while curr is not root:
+                yield curr[2]
+                curr = curr[0]
+
+        def clear(self):
+            'od.clear() -> None.  Remove all items from od.'
+            try:
+                for node in self.__map.itervalues():
+                    del node[:]
+                root = self.__root
+                root[:] = [root, root, None]
+                self.__map.clear()
+            except AttributeError:
+                pass
+            dict.clear(self)
+
+        def popitem(self, last=True):
+            '''od.popitem() -> (k, v), return and remove a (key, value) pair.
+            Pairs are returned in LIFO order if last is true or FIFO order if false.
+
+            '''
+            if not self:
+                raise KeyError('dictionary is empty')
+            root = self.__root
+            if last:
+                link = root[0]
+                link_prev = link[0]
+                link_prev[1] = root
+                root[0] = link_prev
+            else:
+                link = root[1]
+                link_next = link[1]
+                root[1] = link_next
+                link_next[0] = root
+            key = link[2]
+            del self.__map[key]
+            value = dict.pop(self, key)
+            return key, value
+
+        # -- the following methods do not depend on the internal structure --
+
+        def keys(self):
+            'od.keys() -> list of keys in od'
+            return list(self)
+
+        def values(self):
+            'od.values() -> list of values in od'
+            return [self[key] for key in self]
+
+        def items(self):
+            'od.items() -> list of (key, value) pairs in od'
+            return [(key, self[key]) for key in self]
+
+        def iterkeys(self):
+            'od.iterkeys() -> an iterator over the keys in od'
+            return iter(self)
+
+        def itervalues(self):
+            'od.itervalues -> an iterator over the values in od'
+            for k in self:
+                yield self[k]
+
+        def iteritems(self):
+            'od.iteritems -> an iterator over the (key, value) items in od'
+            for k in self:
+                yield (k, self[k])
+
+        def update(*args, **kwds):
+            '''od.update(E, **F) -> None.  Update od from dict/iterable E and F.
+
+            If E is a dict instance, does:           for k in E: od[k] = E[k]
+            If E has a .keys() method, does:         for k in E.keys(): od[k] = E[k]
+            Or if E is an iterable of items, does:   for k, v in E: od[k] = v
+            In either case, this is followed by:     for k, v in F.items(): od[k] = v
+
+            '''
+            if len(args) > 2:
+                raise TypeError('update() takes at most 2 positional '
+                                'arguments (%d given)' % (len(args), ))
+            elif not args:
+                raise TypeError('update() takes at least 1 argument (0 given)')
+            self = args[0]
+            # Make progressively weaker assumptions about "other"
+            other = ()
+            if len(args) == 2:
+                other = args[1]
+            if isinstance(other, dict):
+                for key in other:
+                    self[key] = other[key]
+            elif hasattr(other, 'keys'):
+                for key in other.keys():
+                    self[key] = other[key]
+            else:
+                for key, value in other:
+                    self[key] = value
+            for key, value in kwds.items():
+                self[key] = value
+
+        __update = update  # let subclasses override update without breaking __init__
+
+        __marker = object()
+
+        def pop(self, key, default=__marker):
+            '''od.pop(k[,d]) -> v, remove specified key and return the corresponding value.
+            If key is not found, d is returned if given, otherwise KeyError is raised.
+
+            '''
+            if key in self:
+                result = self[key]
+                del self[key]
+                return result
+            if default is self.__marker:
+                raise KeyError(key)
+            return default
+
+        def setdefault(self, key, default=None):
+            'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od'
+            if key in self:
+                return self[key]
+            self[key] = default
+            return default
+
+        def __repr__(self, _repr_running=None):
+            'od.__repr__() <==> repr(od)'
+            if not _repr_running:
+                _repr_running = {}
+            call_key = id(self), _get_ident()
+            if call_key in _repr_running:
+                return '...'
+            _repr_running[call_key] = 1
+            try:
+                if not self:
+                    return '%s()' % (self.__class__.__name__, )
+                return '%s(%r)' % (self.__class__.__name__, self.items())
+            finally:
+                del _repr_running[call_key]
+
+        def __reduce__(self):
+            'Return state information for pickling'
+            items = [[k, self[k]] for k in self]
+            inst_dict = vars(self).copy()
+            for k in vars(OrderedDict()):
+                inst_dict.pop(k, None)
+            if inst_dict:
+                return (self.__class__, (items, ), inst_dict)
+            return self.__class__, (items, )
+
+        def copy(self):
+            'od.copy() -> a shallow copy of od'
+            return self.__class__(self)
+
+        @classmethod
+        def fromkeys(cls, iterable, value=None):
+            '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S
+            and values equal to v (which defaults to None).
+
+            '''
+            d = cls()
+            for key in iterable:
+                d[key] = value
+            return d
+
+        def __eq__(self, other):
+            '''od.__eq__(y) <==> od==y.  Comparison to another OD is order-sensitive
+            while comparison to a regular mapping is order-insensitive.
+
+            '''
+            if isinstance(other, OrderedDict):
+                return len(self) == len(
+                    other) and self.items() == other.items()
+            return dict.__eq__(self, other)
+
+        def __ne__(self, other):
+            return not self == other
+
+        # -- the following methods are only used in Python 2.7 --
+
+        def viewkeys(self):
+            "od.viewkeys() -> a set-like object providing a view on od's keys"
+            return KeysView(self)
+
+        def viewvalues(self):
+            "od.viewvalues() -> an object providing a view on od's values"
+            return ValuesView(self)
+
+        def viewitems(self):
+            "od.viewitems() -> a set-like object providing a view on od's items"
+            return ItemsView(self)
+
+
+try:
+    from logging.config import BaseConfigurator, valid_ident
+except ImportError:  # pragma: no cover
+    IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I)
+
+    def valid_ident(s):
+        m = IDENTIFIER.match(s)
+        if not m:
+            raise ValueError('Not a valid Python identifier: %r' % s)
+        return True
+
+    # The ConvertingXXX classes are wrappers around standard Python containers,
+    # and they serve to convert any suitable values in the container. The
+    # conversion converts base dicts, lists and tuples to their wrapped
+    # equivalents, whereas strings which match a conversion format are converted
+    # appropriately.
+    #
+    # Each wrapper should have a configurator attribute holding the actual
+    # configurator to use for conversion.
+
+    class ConvertingDict(dict):
+        """A converting dictionary wrapper."""
+
+        def __getitem__(self, key):
+            value = dict.__getitem__(self, key)
+            result = self.configurator.convert(value)
+            # If the converted value is different, save for next time
+            if value is not result:
+                self[key] = result
+                if type(result) in (ConvertingDict, ConvertingList,
+                                    ConvertingTuple):
+                    result.parent = self
+                    result.key = key
+            return result
+
+        def get(self, key, default=None):
+            value = dict.get(self, key, default)
+            result = self.configurator.convert(value)
+            # If the converted value is different, save for next time
+            if value is not result:
+                self[key] = result
+                if type(result) in (ConvertingDict, ConvertingList,
+                                    ConvertingTuple):
+                    result.parent = self
+                    result.key = key
+            return result
+
+    def pop(self, key, default=None):
+        value = dict.pop(self, key, default)
+        result = self.configurator.convert(value)
+        if value is not result:
+            if type(result) in (ConvertingDict, ConvertingList,
+                                ConvertingTuple):
+                result.parent = self
+                result.key = key
+        return result
+
+    class ConvertingList(list):
+        """A converting list wrapper."""
+
+        def __getitem__(self, key):
+            value = list.__getitem__(self, key)
+            result = self.configurator.convert(value)
+            # If the converted value is different, save for next time
+            if value is not result:
+                self[key] = result
+                if type(result) in (ConvertingDict, ConvertingList,
+                                    ConvertingTuple):
+                    result.parent = self
+                    result.key = key
+            return result
+
+        def pop(self, idx=-1):
+            value = list.pop(self, idx)
+            result = self.configurator.convert(value)
+            if value is not result:
+                if type(result) in (ConvertingDict, ConvertingList,
+                                    ConvertingTuple):
+                    result.parent = self
+            return result
+
+    class ConvertingTuple(tuple):
+        """A converting tuple wrapper."""
+
+        def __getitem__(self, key):
+            value = tuple.__getitem__(self, key)
+            result = self.configurator.convert(value)
+            if value is not result:
+                if type(result) in (ConvertingDict, ConvertingList,
+                                    ConvertingTuple):
+                    result.parent = self
+                    result.key = key
+            return result
+
+    class BaseConfigurator(object):
+        """
+        The configurator base class which defines some useful defaults.
+        """
+
+        CONVERT_PATTERN = re.compile(r'^(?P<prefix>[a-z]+)://(?P<suffix>.*)$')
+
+        WORD_PATTERN = re.compile(r'^\s*(\w+)\s*')
+        DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*')
+        INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*')
+        DIGIT_PATTERN = re.compile(r'^\d+$')
+
+        value_converters = {
+            'ext': 'ext_convert',
+            'cfg': 'cfg_convert',
+        }
+
+        # We might want to use a different one, e.g. importlib
+        importer = staticmethod(__import__)
+
+        def __init__(self, config):
+            self.config = ConvertingDict(config)
+            self.config.configurator = self
+
+        def resolve(self, s):
+            """
+            Resolve strings to objects using standard import and attribute
+            syntax.
+            """
+            name = s.split('.')
+            used = name.pop(0)
+            try:
+                found = self.importer(used)
+                for frag in name:
+                    used += '.' + frag
+                    try:
+                        found = getattr(found, frag)
+                    except AttributeError:
+                        self.importer(used)
+                        found = getattr(found, frag)
+                return found
+            except ImportError:
+                e, tb = sys.exc_info()[1:]
+                v = ValueError('Cannot resolve %r: %s' % (s, e))
+                v.__cause__, v.__traceback__ = e, tb
+                raise v
+
+        def ext_convert(self, value):
+            """Default converter for the ext:// protocol."""
+            return self.resolve(value)
+
+        def cfg_convert(self, value):
+            """Default converter for the cfg:// protocol."""
+            rest = value
+            m = self.WORD_PATTERN.match(rest)
+            if m is None:
+                raise ValueError("Unable to convert %r" % value)
+            else:
+                rest = rest[m.end():]
+                d = self.config[m.groups()[0]]
+                while rest:
+                    m = self.DOT_PATTERN.match(rest)
+                    if m:
+                        d = d[m.groups()[0]]
+                    else:
+                        m = self.INDEX_PATTERN.match(rest)
+                        if m:
+                            idx = m.groups()[0]
+                            if not self.DIGIT_PATTERN.match(idx):
+                                d = d[idx]
+                            else:
+                                try:
+                                    n = int(
+                                        idx
+                                    )  # try as number first (most likely)
+                                    d = d[n]
+                                except TypeError:
+                                    d = d[idx]
+                    if m:
+                        rest = rest[m.end():]
+                    else:
+                        raise ValueError('Unable to convert '
+                                         '%r at %r' % (value, rest))
+            # rest should be empty
+            return d
+
+        def convert(self, value):
+            """
+            Convert values to an appropriate type. dicts, lists and tuples are
+            replaced by their converting alternatives. Strings are checked to
+            see if they have a conversion format and are converted if they do.
+            """
+            if not isinstance(value, ConvertingDict) and isinstance(
+                    value, dict):
+                value = ConvertingDict(value)
+                value.configurator = self
+            elif not isinstance(value, ConvertingList) and isinstance(
+                    value, list):
+                value = ConvertingList(value)
+                value.configurator = self
+            elif not isinstance(value, ConvertingTuple) and isinstance(value, tuple):
+                value = ConvertingTuple(value)
+                value.configurator = self
+            elif isinstance(value, string_types):
+                m = self.CONVERT_PATTERN.match(value)
+                if m:
+                    d = m.groupdict()
+                    prefix = d['prefix']
+                    converter = self.value_converters.get(prefix, None)
+                    if converter:
+                        suffix = d['suffix']
+                        converter = getattr(self, converter)
+                        value = converter(suffix)
+            return value
+
+        def configure_custom(self, config):
+            """Configure an object with a user-supplied factory."""
+            c = config.pop('()')
+            if not callable(c):
+                c = self.resolve(c)
+            props = config.pop('.', None)
+            # Check for valid identifiers
+            kwargs = dict([(k, config[k]) for k in config if valid_ident(k)])
+            result = c(**kwargs)
+            if props:
+                for name, value in props.items():
+                    setattr(result, name, value)
+            return result
+
+        def as_tuple(self, value):
+            """Utility function which converts lists to tuples."""
+            if isinstance(value, list):
+                value = tuple(value)
+            return value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/database.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/database.py
new file mode 100644
index 00000000..eb3765f1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/database.py
@@ -0,0 +1,1359 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2023 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""PEP 376 implementation."""
+
+from __future__ import unicode_literals
+
+import base64
+import codecs
+import contextlib
+import hashlib
+import logging
+import os
+import posixpath
+import sys
+import zipimport
+
+from . import DistlibException, resources
+from .compat import StringIO
+from .version import get_scheme, UnsupportedVersionError
+from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME,
+                       LEGACY_METADATA_FILENAME)
+from .util import (parse_requirement, cached_property, parse_name_and_version,
+                   read_exports, write_exports, CSVReader, CSVWriter)
+
+__all__ = [
+    'Distribution', 'BaseInstalledDistribution', 'InstalledDistribution',
+    'EggInfoDistribution', 'DistributionPath'
+]
+
+logger = logging.getLogger(__name__)
+
+EXPORTS_FILENAME = 'pydist-exports.json'
+COMMANDS_FILENAME = 'pydist-commands.json'
+
+DIST_FILES = ('INSTALLER', METADATA_FILENAME, 'RECORD', 'REQUESTED',
+              'RESOURCES', EXPORTS_FILENAME, 'SHARED')
+
+DISTINFO_EXT = '.dist-info'
+
+
+class _Cache(object):
+    """
+    A simple cache mapping names and .dist-info paths to distributions
+    """
+
+    def __init__(self):
+        """
+        Initialise an instance. There is normally one for each DistributionPath.
+        """
+        self.name = {}
+        self.path = {}
+        self.generated = False
+
+    def clear(self):
+        """
+        Clear the cache, setting it to its initial state.
+        """
+        self.name.clear()
+        self.path.clear()
+        self.generated = False
+
+    def add(self, dist):
+        """
+        Add a distribution to the cache.
+        :param dist: The distribution to add.
+        """
+        if dist.path not in self.path:
+            self.path[dist.path] = dist
+            self.name.setdefault(dist.key, []).append(dist)
+
+
+class DistributionPath(object):
+    """
+    Represents a set of distributions installed on a path (typically sys.path).
+    """
+
+    def __init__(self, path=None, include_egg=False):
+        """
+        Create an instance from a path, optionally including legacy (distutils/
+        setuptools/distribute) distributions.
+        :param path: The path to use, as a list of directories. If not specified,
+                     sys.path is used.
+        :param include_egg: If True, this instance will look for and return legacy
+                            distributions as well as those based on PEP 376.
+        """
+        if path is None:
+            path = sys.path
+        self.path = path
+        self._include_dist = True
+        self._include_egg = include_egg
+
+        self._cache = _Cache()
+        self._cache_egg = _Cache()
+        self._cache_enabled = True
+        self._scheme = get_scheme('default')
+
+    def _get_cache_enabled(self):
+        return self._cache_enabled
+
+    def _set_cache_enabled(self, value):
+        self._cache_enabled = value
+
+    cache_enabled = property(_get_cache_enabled, _set_cache_enabled)
+
+    def clear_cache(self):
+        """
+        Clears the internal cache.
+        """
+        self._cache.clear()
+        self._cache_egg.clear()
+
+    def _yield_distributions(self):
+        """
+        Yield .dist-info and/or .egg(-info) distributions.
+        """
+        # We need to check if we've seen some resources already, because on
+        # some Linux systems (e.g. some Debian/Ubuntu variants) there are
+        # symlinks which alias other files in the environment.
+        seen = set()
+        for path in self.path:
+            finder = resources.finder_for_path(path)
+            if finder is None:
+                continue
+            r = finder.find('')
+            if not r or not r.is_container:
+                continue
+            rset = sorted(r.resources)
+            for entry in rset:
+                r = finder.find(entry)
+                if not r or r.path in seen:
+                    continue
+                try:
+                    if self._include_dist and entry.endswith(DISTINFO_EXT):
+                        possible_filenames = [
+                            METADATA_FILENAME, WHEEL_METADATA_FILENAME,
+                            LEGACY_METADATA_FILENAME
+                        ]
+                        for metadata_filename in possible_filenames:
+                            metadata_path = posixpath.join(
+                                entry, metadata_filename)
+                            pydist = finder.find(metadata_path)
+                            if pydist:
+                                break
+                        else:
+                            continue
+
+                        with contextlib.closing(pydist.as_stream()) as stream:
+                            metadata = Metadata(fileobj=stream,
+                                                scheme='legacy')
+                        logger.debug('Found %s', r.path)
+                        seen.add(r.path)
+                        yield new_dist_class(r.path,
+                                             metadata=metadata,
+                                             env=self)
+                    elif self._include_egg and entry.endswith(
+                            ('.egg-info', '.egg')):
+                        logger.debug('Found %s', r.path)
+                        seen.add(r.path)
+                        yield old_dist_class(r.path, self)
+                except Exception as e:
+                    msg = 'Unable to read distribution at %s, perhaps due to bad metadata: %s'
+                    logger.warning(msg, r.path, e)
+                    import warnings
+                    warnings.warn(msg % (r.path, e), stacklevel=2)
+
+    def _generate_cache(self):
+        """
+        Scan the path for distributions and populate the cache with
+        those that are found.
+        """
+        gen_dist = not self._cache.generated
+        gen_egg = self._include_egg and not self._cache_egg.generated
+        if gen_dist or gen_egg:
+            for dist in self._yield_distributions():
+                if isinstance(dist, InstalledDistribution):
+                    self._cache.add(dist)
+                else:
+                    self._cache_egg.add(dist)
+
+            if gen_dist:
+                self._cache.generated = True
+            if gen_egg:
+                self._cache_egg.generated = True
+
+    @classmethod
+    def distinfo_dirname(cls, name, version):
+        """
+        The *name* and *version* parameters are converted into their
+        filename-escaped form, i.e. any ``'-'`` characters are replaced
+        with ``'_'`` other than the one in ``'dist-info'`` and the one
+        separating the name from the version number.
+
+        :parameter name: is converted to a standard distribution name by replacing
+                         any runs of non- alphanumeric characters with a single
+                         ``'-'``.
+        :type name: string
+        :parameter version: is converted to a standard version string. Spaces
+                            become dots, and all other non-alphanumeric characters
+                            (except dots) become dashes, with runs of multiple
+                            dashes condensed to a single dash.
+        :type version: string
+        :returns: directory name
+        :rtype: string"""
+        name = name.replace('-', '_')
+        return '-'.join([name, version]) + DISTINFO_EXT
+
+    def get_distributions(self):
+        """
+        Provides an iterator that looks for distributions and returns
+        :class:`InstalledDistribution` or
+        :class:`EggInfoDistribution` instances for each one of them.
+
+        :rtype: iterator of :class:`InstalledDistribution` and
+                :class:`EggInfoDistribution` instances
+        """
+        if not self._cache_enabled:
+            for dist in self._yield_distributions():
+                yield dist
+        else:
+            self._generate_cache()
+
+            for dist in self._cache.path.values():
+                yield dist
+
+            if self._include_egg:
+                for dist in self._cache_egg.path.values():
+                    yield dist
+
+    def get_distribution(self, name):
+        """
+        Looks for a named distribution on the path.
+
+        This function only returns the first result found, as no more than one
+        value is expected. If nothing is found, ``None`` is returned.
+
+        :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution`
+                or ``None``
+        """
+        result = None
+        name = name.lower()
+        if not self._cache_enabled:
+            for dist in self._yield_distributions():
+                if dist.key == name:
+                    result = dist
+                    break
+        else:
+            self._generate_cache()
+
+            if name in self._cache.name:
+                result = self._cache.name[name][0]
+            elif self._include_egg and name in self._cache_egg.name:
+                result = self._cache_egg.name[name][0]
+        return result
+
+    def provides_distribution(self, name, version=None):
+        """
+        Iterates over all distributions to find which distributions provide *name*.
+        If a *version* is provided, it will be used to filter the results.
+
+        This function only returns the first result found, since no more than
+        one values are expected. If the directory is not found, returns ``None``.
+
+        :parameter version: a version specifier that indicates the version
+                            required, conforming to the format in ``PEP-345``
+
+        :type name: string
+        :type version: string
+        """
+        matcher = None
+        if version is not None:
+            try:
+                matcher = self._scheme.matcher('%s (%s)' % (name, version))
+            except ValueError:
+                raise DistlibException('invalid name or version: %r, %r' %
+                                       (name, version))
+
+        for dist in self.get_distributions():
+            # We hit a problem on Travis where enum34 was installed and doesn't
+            # have a provides attribute ...
+            if not hasattr(dist, 'provides'):
+                logger.debug('No "provides": %s', dist)
+            else:
+                provided = dist.provides
+
+                for p in provided:
+                    p_name, p_ver = parse_name_and_version(p)
+                    if matcher is None:
+                        if p_name == name:
+                            yield dist
+                            break
+                    else:
+                        if p_name == name and matcher.match(p_ver):
+                            yield dist
+                            break
+
+    def get_file_path(self, name, relative_path):
+        """
+        Return the path to a resource file.
+        """
+        dist = self.get_distribution(name)
+        if dist is None:
+            raise LookupError('no distribution named %r found' % name)
+        return dist.get_resource_path(relative_path)
+
+    def get_exported_entries(self, category, name=None):
+        """
+        Return all of the exported entries in a particular category.
+
+        :param category: The category to search for entries.
+        :param name: If specified, only entries with that name are returned.
+        """
+        for dist in self.get_distributions():
+            r = dist.exports
+            if category in r:
+                d = r[category]
+                if name is not None:
+                    if name in d:
+                        yield d[name]
+                else:
+                    for v in d.values():
+                        yield v
+
+
+class Distribution(object):
+    """
+    A base class for distributions, whether installed or from indexes.
+    Either way, it must have some metadata, so that's all that's needed
+    for construction.
+    """
+
+    build_time_dependency = False
+    """
+    Set to True if it's known to be only a build-time dependency (i.e.
+    not needed after installation).
+    """
+
+    requested = False
+    """A boolean that indicates whether the ``REQUESTED`` metadata file is
+    present (in other words, whether the package was installed by user
+    request or it was installed as a dependency)."""
+
+    def __init__(self, metadata):
+        """
+        Initialise an instance.
+        :param metadata: The instance of :class:`Metadata` describing this
+        distribution.
+        """
+        self.metadata = metadata
+        self.name = metadata.name
+        self.key = self.name.lower()  # for case-insensitive comparisons
+        self.version = metadata.version
+        self.locator = None
+        self.digest = None
+        self.extras = None  # additional features requested
+        self.context = None  # environment marker overrides
+        self.download_urls = set()
+        self.digests = {}
+
+    @property
+    def source_url(self):
+        """
+        The source archive download URL for this distribution.
+        """
+        return self.metadata.source_url
+
+    download_url = source_url  # Backward compatibility
+
+    @property
+    def name_and_version(self):
+        """
+        A utility property which displays the name and version in parentheses.
+        """
+        return '%s (%s)' % (self.name, self.version)
+
+    @property
+    def provides(self):
+        """
+        A set of distribution names and versions provided by this distribution.
+        :return: A set of "name (version)" strings.
+        """
+        plist = self.metadata.provides
+        s = '%s (%s)' % (self.name, self.version)
+        if s not in plist:
+            plist.append(s)
+        return plist
+
+    def _get_requirements(self, req_attr):
+        md = self.metadata
+        reqts = getattr(md, req_attr)
+        logger.debug('%s: got requirements %r from metadata: %r', self.name,
+                     req_attr, reqts)
+        return set(
+            md.get_requirements(reqts, extras=self.extras, env=self.context))
+
+    @property
+    def run_requires(self):
+        return self._get_requirements('run_requires')
+
+    @property
+    def meta_requires(self):
+        return self._get_requirements('meta_requires')
+
+    @property
+    def build_requires(self):
+        return self._get_requirements('build_requires')
+
+    @property
+    def test_requires(self):
+        return self._get_requirements('test_requires')
+
+    @property
+    def dev_requires(self):
+        return self._get_requirements('dev_requires')
+
+    def matches_requirement(self, req):
+        """
+        Say if this instance matches (fulfills) a requirement.
+        :param req: The requirement to match.
+        :rtype req: str
+        :return: True if it matches, else False.
+        """
+        # Requirement may contain extras - parse to lose those
+        # from what's passed to the matcher
+        r = parse_requirement(req)
+        scheme = get_scheme(self.metadata.scheme)
+        try:
+            matcher = scheme.matcher(r.requirement)
+        except UnsupportedVersionError:
+            # XXX compat-mode if cannot read the version
+            logger.warning('could not read version %r - using name only', req)
+            name = req.split()[0]
+            matcher = scheme.matcher(name)
+
+        name = matcher.key  # case-insensitive
+
+        result = False
+        for p in self.provides:
+            p_name, p_ver = parse_name_and_version(p)
+            if p_name != name:
+                continue
+            try:
+                result = matcher.match(p_ver)
+                break
+            except UnsupportedVersionError:
+                pass
+        return result
+
+    def __repr__(self):
+        """
+        Return a textual representation of this instance,
+        """
+        if self.source_url:
+            suffix = ' [%s]' % self.source_url
+        else:
+            suffix = ''
+        return '<Distribution %s (%s)%s>' % (self.name, self.version, suffix)
+
+    def __eq__(self, other):
+        """
+        See if this distribution is the same as another.
+        :param other: The distribution to compare with. To be equal to one
+                      another. distributions must have the same type, name,
+                      version and source_url.
+        :return: True if it is the same, else False.
+        """
+        if type(other) is not type(self):
+            result = False
+        else:
+            result = (self.name == other.name and self.version == other.version
+                      and self.source_url == other.source_url)
+        return result
+
+    def __hash__(self):
+        """
+        Compute hash in a way which matches the equality test.
+        """
+        return hash(self.name) + hash(self.version) + hash(self.source_url)
+
+
+class BaseInstalledDistribution(Distribution):
+    """
+    This is the base class for installed distributions (whether PEP 376 or
+    legacy).
+    """
+
+    hasher = None
+
+    def __init__(self, metadata, path, env=None):
+        """
+        Initialise an instance.
+        :param metadata: An instance of :class:`Metadata` which describes the
+                         distribution. This will normally have been initialised
+                         from a metadata file in the ``path``.
+        :param path:     The path of the ``.dist-info`` or ``.egg-info``
+                         directory for the distribution.
+        :param env:      This is normally the :class:`DistributionPath`
+                         instance where this distribution was found.
+        """
+        super(BaseInstalledDistribution, self).__init__(metadata)
+        self.path = path
+        self.dist_path = env
+
+    def get_hash(self, data, hasher=None):
+        """
+        Get the hash of some data, using a particular hash algorithm, if
+        specified.
+
+        :param data: The data to be hashed.
+        :type data: bytes
+        :param hasher: The name of a hash implementation, supported by hashlib,
+                       or ``None``. Examples of valid values are ``'sha1'``,
+                       ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and
+                       ``'sha512'``. If no hasher is specified, the ``hasher``
+                       attribute of the :class:`InstalledDistribution` instance
+                       is used. If the hasher is determined to be ``None``, MD5
+                       is used as the hashing algorithm.
+        :returns: The hash of the data. If a hasher was explicitly specified,
+                  the returned hash will be prefixed with the specified hasher
+                  followed by '='.
+        :rtype: str
+        """
+        if hasher is None:
+            hasher = self.hasher
+        if hasher is None:
+            hasher = hashlib.md5
+            prefix = ''
+        else:
+            hasher = getattr(hashlib, hasher)
+            prefix = '%s=' % self.hasher
+        digest = hasher(data).digest()
+        digest = base64.urlsafe_b64encode(digest).rstrip(b'=').decode('ascii')
+        return '%s%s' % (prefix, digest)
+
+
+class InstalledDistribution(BaseInstalledDistribution):
+    """
+    Created with the *path* of the ``.dist-info`` directory provided to the
+    constructor. It reads the metadata contained in ``pydist.json`` when it is
+    instantiated., or uses a passed in Metadata instance (useful for when
+    dry-run mode is being used).
+    """
+
+    hasher = 'sha256'
+
+    def __init__(self, path, metadata=None, env=None):
+        self.modules = []
+        self.finder = finder = resources.finder_for_path(path)
+        if finder is None:
+            raise ValueError('finder unavailable for %s' % path)
+        if env and env._cache_enabled and path in env._cache.path:
+            metadata = env._cache.path[path].metadata
+        elif metadata is None:
+            r = finder.find(METADATA_FILENAME)
+            # Temporary - for Wheel 0.23 support
+            if r is None:
+                r = finder.find(WHEEL_METADATA_FILENAME)
+            # Temporary - for legacy support
+            if r is None:
+                r = finder.find(LEGACY_METADATA_FILENAME)
+            if r is None:
+                raise ValueError('no %s found in %s' %
+                                 (METADATA_FILENAME, path))
+            with contextlib.closing(r.as_stream()) as stream:
+                metadata = Metadata(fileobj=stream, scheme='legacy')
+
+        super(InstalledDistribution, self).__init__(metadata, path, env)
+
+        if env and env._cache_enabled:
+            env._cache.add(self)
+
+        r = finder.find('REQUESTED')
+        self.requested = r is not None
+        p = os.path.join(path, 'top_level.txt')
+        if os.path.exists(p):
+            with open(p, 'rb') as f:
+                data = f.read().decode('utf-8')
+            self.modules = data.splitlines()
+
+    def __repr__(self):
+        return '<InstalledDistribution %r %s at %r>' % (
+            self.name, self.version, self.path)
+
+    def __str__(self):
+        return "%s %s" % (self.name, self.version)
+
+    def _get_records(self):
+        """
+        Get the list of installed files for the distribution
+        :return: A list of tuples of path, hash and size. Note that hash and
+                 size might be ``None`` for some entries. The path is exactly
+                 as stored in the file (which is as in PEP 376).
+        """
+        results = []
+        r = self.get_distinfo_resource('RECORD')
+        with contextlib.closing(r.as_stream()) as stream:
+            with CSVReader(stream=stream) as record_reader:
+                # Base location is parent dir of .dist-info dir
+                # base_location = os.path.dirname(self.path)
+                # base_location = os.path.abspath(base_location)
+                for row in record_reader:
+                    missing = [None for i in range(len(row), 3)]
+                    path, checksum, size = row + missing
+                    # if not os.path.isabs(path):
+                    #     path = path.replace('/', os.sep)
+                    #     path = os.path.join(base_location, path)
+                    results.append((path, checksum, size))
+        return results
+
+    @cached_property
+    def exports(self):
+        """
+        Return the information exported by this distribution.
+        :return: A dictionary of exports, mapping an export category to a dict
+                 of :class:`ExportEntry` instances describing the individual
+                 export entries, and keyed by name.
+        """
+        result = {}
+        r = self.get_distinfo_resource(EXPORTS_FILENAME)
+        if r:
+            result = self.read_exports()
+        return result
+
+    def read_exports(self):
+        """
+        Read exports data from a file in .ini format.
+
+        :return: A dictionary of exports, mapping an export category to a list
+                 of :class:`ExportEntry` instances describing the individual
+                 export entries.
+        """
+        result = {}
+        r = self.get_distinfo_resource(EXPORTS_FILENAME)
+        if r:
+            with contextlib.closing(r.as_stream()) as stream:
+                result = read_exports(stream)
+        return result
+
+    def write_exports(self, exports):
+        """
+        Write a dictionary of exports to a file in .ini format.
+        :param exports: A dictionary of exports, mapping an export category to
+                        a list of :class:`ExportEntry` instances describing the
+                        individual export entries.
+        """
+        rf = self.get_distinfo_file(EXPORTS_FILENAME)
+        with open(rf, 'w') as f:
+            write_exports(exports, f)
+
+    def get_resource_path(self, relative_path):
+        """
+        NOTE: This API may change in the future.
+
+        Return the absolute path to a resource file with the given relative
+        path.
+
+        :param relative_path: The path, relative to .dist-info, of the resource
+                              of interest.
+        :return: The absolute path where the resource is to be found.
+        """
+        r = self.get_distinfo_resource('RESOURCES')
+        with contextlib.closing(r.as_stream()) as stream:
+            with CSVReader(stream=stream) as resources_reader:
+                for relative, destination in resources_reader:
+                    if relative == relative_path:
+                        return destination
+        raise KeyError('no resource file with relative path %r '
+                       'is installed' % relative_path)
+
+    def list_installed_files(self):
+        """
+        Iterates over the ``RECORD`` entries and returns a tuple
+        ``(path, hash, size)`` for each line.
+
+        :returns: iterator of (path, hash, size)
+        """
+        for result in self._get_records():
+            yield result
+
+    def write_installed_files(self, paths, prefix, dry_run=False):
+        """
+        Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any
+        existing ``RECORD`` file is silently overwritten.
+
+        prefix is used to determine when to write absolute paths.
+        """
+        prefix = os.path.join(prefix, '')
+        base = os.path.dirname(self.path)
+        base_under_prefix = base.startswith(prefix)
+        base = os.path.join(base, '')
+        record_path = self.get_distinfo_file('RECORD')
+        logger.info('creating %s', record_path)
+        if dry_run:
+            return None
+        with CSVWriter(record_path) as writer:
+            for path in paths:
+                if os.path.isdir(path) or path.endswith(('.pyc', '.pyo')):
+                    # do not put size and hash, as in PEP-376
+                    hash_value = size = ''
+                else:
+                    size = '%d' % os.path.getsize(path)
+                    with open(path, 'rb') as fp:
+                        hash_value = self.get_hash(fp.read())
+                if path.startswith(base) or (base_under_prefix
+                                             and path.startswith(prefix)):
+                    path = os.path.relpath(path, base)
+                writer.writerow((path, hash_value, size))
+
+            # add the RECORD file itself
+            if record_path.startswith(base):
+                record_path = os.path.relpath(record_path, base)
+            writer.writerow((record_path, '', ''))
+        return record_path
+
+    def check_installed_files(self):
+        """
+        Checks that the hashes and sizes of the files in ``RECORD`` are
+        matched by the files themselves. Returns a (possibly empty) list of
+        mismatches. Each entry in the mismatch list will be a tuple consisting
+        of the path, 'exists', 'size' or 'hash' according to what didn't match
+        (existence is checked first, then size, then hash), the expected
+        value and the actual value.
+        """
+        mismatches = []
+        base = os.path.dirname(self.path)
+        record_path = self.get_distinfo_file('RECORD')
+        for path, hash_value, size in self.list_installed_files():
+            if not os.path.isabs(path):
+                path = os.path.join(base, path)
+            if path == record_path:
+                continue
+            if not os.path.exists(path):
+                mismatches.append((path, 'exists', True, False))
+            elif os.path.isfile(path):
+                actual_size = str(os.path.getsize(path))
+                if size and actual_size != size:
+                    mismatches.append((path, 'size', size, actual_size))
+                elif hash_value:
+                    if '=' in hash_value:
+                        hasher = hash_value.split('=', 1)[0]
+                    else:
+                        hasher = None
+
+                    with open(path, 'rb') as f:
+                        actual_hash = self.get_hash(f.read(), hasher)
+                        if actual_hash != hash_value:
+                            mismatches.append(
+                                (path, 'hash', hash_value, actual_hash))
+        return mismatches
+
+    @cached_property
+    def shared_locations(self):
+        """
+        A dictionary of shared locations whose keys are in the set 'prefix',
+        'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'.
+        The corresponding value is the absolute path of that category for
+        this distribution, and takes into account any paths selected by the
+        user at installation time (e.g. via command-line arguments). In the
+        case of the 'namespace' key, this would be a list of absolute paths
+        for the roots of namespace packages in this distribution.
+
+        The first time this property is accessed, the relevant information is
+        read from the SHARED file in the .dist-info directory.
+        """
+        result = {}
+        shared_path = os.path.join(self.path, 'SHARED')
+        if os.path.isfile(shared_path):
+            with codecs.open(shared_path, 'r', encoding='utf-8') as f:
+                lines = f.read().splitlines()
+            for line in lines:
+                key, value = line.split('=', 1)
+                if key == 'namespace':
+                    result.setdefault(key, []).append(value)
+                else:
+                    result[key] = value
+        return result
+
+    def write_shared_locations(self, paths, dry_run=False):
+        """
+        Write shared location information to the SHARED file in .dist-info.
+        :param paths: A dictionary as described in the documentation for
+        :meth:`shared_locations`.
+        :param dry_run: If True, the action is logged but no file is actually
+                        written.
+        :return: The path of the file written to.
+        """
+        shared_path = os.path.join(self.path, 'SHARED')
+        logger.info('creating %s', shared_path)
+        if dry_run:
+            return None
+        lines = []
+        for key in ('prefix', 'lib', 'headers', 'scripts', 'data'):
+            path = paths[key]
+            if os.path.isdir(paths[key]):
+                lines.append('%s=%s' % (key, path))
+        for ns in paths.get('namespace', ()):
+            lines.append('namespace=%s' % ns)
+
+        with codecs.open(shared_path, 'w', encoding='utf-8') as f:
+            f.write('\n'.join(lines))
+        return shared_path
+
+    def get_distinfo_resource(self, path):
+        if path not in DIST_FILES:
+            raise DistlibException('invalid path for a dist-info file: '
+                                   '%r at %r' % (path, self.path))
+        finder = resources.finder_for_path(self.path)
+        if finder is None:
+            raise DistlibException('Unable to get a finder for %s' % self.path)
+        return finder.find(path)
+
+    def get_distinfo_file(self, path):
+        """
+        Returns a path located under the ``.dist-info`` directory. Returns a
+        string representing the path.
+
+        :parameter path: a ``'/'``-separated path relative to the
+                         ``.dist-info`` directory or an absolute path;
+                         If *path* is an absolute path and doesn't start
+                         with the ``.dist-info`` directory path,
+                         a :class:`DistlibException` is raised
+        :type path: str
+        :rtype: str
+        """
+        # Check if it is an absolute path  # XXX use relpath, add tests
+        if path.find(os.sep) >= 0:
+            # it's an absolute path?
+            distinfo_dirname, path = path.split(os.sep)[-2:]
+            if distinfo_dirname != self.path.split(os.sep)[-1]:
+                raise DistlibException(
+                    'dist-info file %r does not belong to the %r %s '
+                    'distribution' % (path, self.name, self.version))
+
+        # The file must be relative
+        if path not in DIST_FILES:
+            raise DistlibException('invalid path for a dist-info file: '
+                                   '%r at %r' % (path, self.path))
+
+        return os.path.join(self.path, path)
+
+    def list_distinfo_files(self):
+        """
+        Iterates over the ``RECORD`` entries and returns paths for each line if
+        the path is pointing to a file located in the ``.dist-info`` directory
+        or one of its subdirectories.
+
+        :returns: iterator of paths
+        """
+        base = os.path.dirname(self.path)
+        for path, checksum, size in self._get_records():
+            # XXX add separator or use real relpath algo
+            if not os.path.isabs(path):
+                path = os.path.join(base, path)
+            if path.startswith(self.path):
+                yield path
+
+    def __eq__(self, other):
+        return (isinstance(other, InstalledDistribution)
+                and self.path == other.path)
+
+    # See http://docs.python.org/reference/datamodel#object.__hash__
+    __hash__ = object.__hash__
+
+
+class EggInfoDistribution(BaseInstalledDistribution):
+    """Created with the *path* of the ``.egg-info`` directory or file provided
+    to the constructor. It reads the metadata contained in the file itself, or
+    if the given path happens to be a directory, the metadata is read from the
+    file ``PKG-INFO`` under that directory."""
+
+    requested = True  # as we have no way of knowing, assume it was
+    shared_locations = {}
+
+    def __init__(self, path, env=None):
+
+        def set_name_and_version(s, n, v):
+            s.name = n
+            s.key = n.lower()  # for case-insensitive comparisons
+            s.version = v
+
+        self.path = path
+        self.dist_path = env
+        if env and env._cache_enabled and path in env._cache_egg.path:
+            metadata = env._cache_egg.path[path].metadata
+            set_name_and_version(self, metadata.name, metadata.version)
+        else:
+            metadata = self._get_metadata(path)
+
+            # Need to be set before caching
+            set_name_and_version(self, metadata.name, metadata.version)
+
+            if env and env._cache_enabled:
+                env._cache_egg.add(self)
+        super(EggInfoDistribution, self).__init__(metadata, path, env)
+
+    def _get_metadata(self, path):
+        requires = None
+
+        def parse_requires_data(data):
+            """Create a list of dependencies from a requires.txt file.
+
+            *data*: the contents of a setuptools-produced requires.txt file.
+            """
+            reqs = []
+            lines = data.splitlines()
+            for line in lines:
+                line = line.strip()
+                # sectioned files have bare newlines (separating sections)
+                if not line:  # pragma: no cover
+                    continue
+                if line.startswith('['):  # pragma: no cover
+                    logger.warning(
+                        'Unexpected line: quitting requirement scan: %r', line)
+                    break
+                r = parse_requirement(line)
+                if not r:  # pragma: no cover
+                    logger.warning('Not recognised as a requirement: %r', line)
+                    continue
+                if r.extras:  # pragma: no cover
+                    logger.warning('extra requirements in requires.txt are '
+                                   'not supported')
+                if not r.constraints:
+                    reqs.append(r.name)
+                else:
+                    cons = ', '.join('%s%s' % c for c in r.constraints)
+                    reqs.append('%s (%s)' % (r.name, cons))
+            return reqs
+
+        def parse_requires_path(req_path):
+            """Create a list of dependencies from a requires.txt file.
+
+            *req_path*: the path to a setuptools-produced requires.txt file.
+            """
+
+            reqs = []
+            try:
+                with codecs.open(req_path, 'r', 'utf-8') as fp:
+                    reqs = parse_requires_data(fp.read())
+            except IOError:
+                pass
+            return reqs
+
+        tl_path = tl_data = None
+        if path.endswith('.egg'):
+            if os.path.isdir(path):
+                p = os.path.join(path, 'EGG-INFO')
+                meta_path = os.path.join(p, 'PKG-INFO')
+                metadata = Metadata(path=meta_path, scheme='legacy')
+                req_path = os.path.join(p, 'requires.txt')
+                tl_path = os.path.join(p, 'top_level.txt')
+                requires = parse_requires_path(req_path)
+            else:
+                # FIXME handle the case where zipfile is not available
+                zipf = zipimport.zipimporter(path)
+                fileobj = StringIO(
+                    zipf.get_data('EGG-INFO/PKG-INFO').decode('utf8'))
+                metadata = Metadata(fileobj=fileobj, scheme='legacy')
+                try:
+                    data = zipf.get_data('EGG-INFO/requires.txt')
+                    tl_data = zipf.get_data('EGG-INFO/top_level.txt').decode(
+                        'utf-8')
+                    requires = parse_requires_data(data.decode('utf-8'))
+                except IOError:
+                    requires = None
+        elif path.endswith('.egg-info'):
+            if os.path.isdir(path):
+                req_path = os.path.join(path, 'requires.txt')
+                requires = parse_requires_path(req_path)
+                path = os.path.join(path, 'PKG-INFO')
+                tl_path = os.path.join(path, 'top_level.txt')
+            metadata = Metadata(path=path, scheme='legacy')
+        else:
+            raise DistlibException('path must end with .egg-info or .egg, '
+                                   'got %r' % path)
+
+        if requires:
+            metadata.add_requirements(requires)
+        # look for top-level modules in top_level.txt, if present
+        if tl_data is None:
+            if tl_path is not None and os.path.exists(tl_path):
+                with open(tl_path, 'rb') as f:
+                    tl_data = f.read().decode('utf-8')
+        if not tl_data:
+            tl_data = []
+        else:
+            tl_data = tl_data.splitlines()
+        self.modules = tl_data
+        return metadata
+
+    def __repr__(self):
+        return '<EggInfoDistribution %r %s at %r>' % (self.name, self.version,
+                                                      self.path)
+
+    def __str__(self):
+        return "%s %s" % (self.name, self.version)
+
+    def check_installed_files(self):
+        """
+        Checks that the hashes and sizes of the files in ``RECORD`` are
+        matched by the files themselves. Returns a (possibly empty) list of
+        mismatches. Each entry in the mismatch list will be a tuple consisting
+        of the path, 'exists', 'size' or 'hash' according to what didn't match
+        (existence is checked first, then size, then hash), the expected
+        value and the actual value.
+        """
+        mismatches = []
+        record_path = os.path.join(self.path, 'installed-files.txt')
+        if os.path.exists(record_path):
+            for path, _, _ in self.list_installed_files():
+                if path == record_path:
+                    continue
+                if not os.path.exists(path):
+                    mismatches.append((path, 'exists', True, False))
+        return mismatches
+
+    def list_installed_files(self):
+        """
+        Iterates over the ``installed-files.txt`` entries and returns a tuple
+        ``(path, hash, size)`` for each line.
+
+        :returns: a list of (path, hash, size)
+        """
+
+        def _md5(path):
+            f = open(path, 'rb')
+            try:
+                content = f.read()
+            finally:
+                f.close()
+            return hashlib.md5(content).hexdigest()
+
+        def _size(path):
+            return os.stat(path).st_size
+
+        record_path = os.path.join(self.path, 'installed-files.txt')
+        result = []
+        if os.path.exists(record_path):
+            with codecs.open(record_path, 'r', encoding='utf-8') as f:
+                for line in f:
+                    line = line.strip()
+                    p = os.path.normpath(os.path.join(self.path, line))
+                    # "./" is present as a marker between installed files
+                    # and installation metadata files
+                    if not os.path.exists(p):
+                        logger.warning('Non-existent file: %s', p)
+                        if p.endswith(('.pyc', '.pyo')):
+                            continue
+                        # otherwise fall through and fail
+                    if not os.path.isdir(p):
+                        result.append((p, _md5(p), _size(p)))
+            result.append((record_path, None, None))
+        return result
+
+    def list_distinfo_files(self, absolute=False):
+        """
+        Iterates over the ``installed-files.txt`` entries and returns paths for
+        each line if the path is pointing to a file located in the
+        ``.egg-info`` directory or one of its subdirectories.
+
+        :parameter absolute: If *absolute* is ``True``, each returned path is
+                          transformed into a local absolute path. Otherwise the
+                          raw value from ``installed-files.txt`` is returned.
+        :type absolute: boolean
+        :returns: iterator of paths
+        """
+        record_path = os.path.join(self.path, 'installed-files.txt')
+        if os.path.exists(record_path):
+            skip = True
+            with codecs.open(record_path, 'r', encoding='utf-8') as f:
+                for line in f:
+                    line = line.strip()
+                    if line == './':
+                        skip = False
+                        continue
+                    if not skip:
+                        p = os.path.normpath(os.path.join(self.path, line))
+                        if p.startswith(self.path):
+                            if absolute:
+                                yield p
+                            else:
+                                yield line
+
+    def __eq__(self, other):
+        return (isinstance(other, EggInfoDistribution)
+                and self.path == other.path)
+
+    # See http://docs.python.org/reference/datamodel#object.__hash__
+    __hash__ = object.__hash__
+
+
+new_dist_class = InstalledDistribution
+old_dist_class = EggInfoDistribution
+
+
+class DependencyGraph(object):
+    """
+    Represents a dependency graph between distributions.
+
+    The dependency relationships are stored in an ``adjacency_list`` that maps
+    distributions to a list of ``(other, label)`` tuples where  ``other``
+    is a distribution and the edge is labeled with ``label`` (i.e. the version
+    specifier, if such was provided). Also, for more efficient traversal, for
+    every distribution ``x``, a list of predecessors is kept in
+    ``reverse_list[x]``. An edge from distribution ``a`` to
+    distribution ``b`` means that ``a`` depends on ``b``. If any missing
+    dependencies are found, they are stored in ``missing``, which is a
+    dictionary that maps distributions to a list of requirements that were not
+    provided by any other distributions.
+    """
+
+    def __init__(self):
+        self.adjacency_list = {}
+        self.reverse_list = {}
+        self.missing = {}
+
+    def add_distribution(self, distribution):
+        """Add the *distribution* to the graph.
+
+        :type distribution: :class:`distutils2.database.InstalledDistribution`
+                            or :class:`distutils2.database.EggInfoDistribution`
+        """
+        self.adjacency_list[distribution] = []
+        self.reverse_list[distribution] = []
+        # self.missing[distribution] = []
+
+    def add_edge(self, x, y, label=None):
+        """Add an edge from distribution *x* to distribution *y* with the given
+        *label*.
+
+        :type x: :class:`distutils2.database.InstalledDistribution` or
+                 :class:`distutils2.database.EggInfoDistribution`
+        :type y: :class:`distutils2.database.InstalledDistribution` or
+                 :class:`distutils2.database.EggInfoDistribution`
+        :type label: ``str`` or ``None``
+        """
+        self.adjacency_list[x].append((y, label))
+        # multiple edges are allowed, so be careful
+        if x not in self.reverse_list[y]:
+            self.reverse_list[y].append(x)
+
+    def add_missing(self, distribution, requirement):
+        """
+        Add a missing *requirement* for the given *distribution*.
+
+        :type distribution: :class:`distutils2.database.InstalledDistribution`
+                            or :class:`distutils2.database.EggInfoDistribution`
+        :type requirement: ``str``
+        """
+        logger.debug('%s missing %r', distribution, requirement)
+        self.missing.setdefault(distribution, []).append(requirement)
+
+    def _repr_dist(self, dist):
+        return '%s %s' % (dist.name, dist.version)
+
+    def repr_node(self, dist, level=1):
+        """Prints only a subgraph"""
+        output = [self._repr_dist(dist)]
+        for other, label in self.adjacency_list[dist]:
+            dist = self._repr_dist(other)
+            if label is not None:
+                dist = '%s [%s]' % (dist, label)
+            output.append('    ' * level + str(dist))
+            suboutput = self.repr_node(other, level + 1)
+            subs = suboutput.split('\n')
+            output.extend(subs[1:])
+        return '\n'.join(output)
+
+    def to_dot(self, f, skip_disconnected=True):
+        """Writes a DOT output for the graph to the provided file *f*.
+
+        If *skip_disconnected* is set to ``True``, then all distributions
+        that are not dependent on any other distribution are skipped.
+
+        :type f: has to support ``file``-like operations
+        :type skip_disconnected: ``bool``
+        """
+        disconnected = []
+
+        f.write("digraph dependencies {\n")
+        for dist, adjs in self.adjacency_list.items():
+            if len(adjs) == 0 and not skip_disconnected:
+                disconnected.append(dist)
+            for other, label in adjs:
+                if label is not None:
+                    f.write('"%s" -> "%s" [label="%s"]\n' %
+                            (dist.name, other.name, label))
+                else:
+                    f.write('"%s" -> "%s"\n' % (dist.name, other.name))
+        if not skip_disconnected and len(disconnected) > 0:
+            f.write('subgraph disconnected {\n')
+            f.write('label = "Disconnected"\n')
+            f.write('bgcolor = red\n')
+
+            for dist in disconnected:
+                f.write('"%s"' % dist.name)
+                f.write('\n')
+            f.write('}\n')
+        f.write('}\n')
+
+    def topological_sort(self):
+        """
+        Perform a topological sort of the graph.
+        :return: A tuple, the first element of which is a topologically sorted
+                 list of distributions, and the second element of which is a
+                 list of distributions that cannot be sorted because they have
+                 circular dependencies and so form a cycle.
+        """
+        result = []
+        # Make a shallow copy of the adjacency list
+        alist = {}
+        for k, v in self.adjacency_list.items():
+            alist[k] = v[:]
+        while True:
+            # See what we can remove in this run
+            to_remove = []
+            for k, v in list(alist.items())[:]:
+                if not v:
+                    to_remove.append(k)
+                    del alist[k]
+            if not to_remove:
+                # What's left in alist (if anything) is a cycle.
+                break
+            # Remove from the adjacency list of others
+            for k, v in alist.items():
+                alist[k] = [(d, r) for d, r in v if d not in to_remove]
+            logger.debug('Moving to result: %s',
+                         ['%s (%s)' % (d.name, d.version) for d in to_remove])
+            result.extend(to_remove)
+        return result, list(alist.keys())
+
+    def __repr__(self):
+        """Representation of the graph"""
+        output = []
+        for dist, adjs in self.adjacency_list.items():
+            output.append(self.repr_node(dist))
+        return '\n'.join(output)
+
+
+def make_graph(dists, scheme='default'):
+    """Makes a dependency graph from the given distributions.
+
+    :parameter dists: a list of distributions
+    :type dists: list of :class:`distutils2.database.InstalledDistribution` and
+                 :class:`distutils2.database.EggInfoDistribution` instances
+    :rtype: a :class:`DependencyGraph` instance
+    """
+    scheme = get_scheme(scheme)
+    graph = DependencyGraph()
+    provided = {}  # maps names to lists of (version, dist) tuples
+
+    # first, build the graph and find out what's provided
+    for dist in dists:
+        graph.add_distribution(dist)
+
+        for p in dist.provides:
+            name, version = parse_name_and_version(p)
+            logger.debug('Add to provided: %s, %s, %s', name, version, dist)
+            provided.setdefault(name, []).append((version, dist))
+
+    # now make the edges
+    for dist in dists:
+        requires = (dist.run_requires | dist.meta_requires
+                    | dist.build_requires | dist.dev_requires)
+        for req in requires:
+            try:
+                matcher = scheme.matcher(req)
+            except UnsupportedVersionError:
+                # XXX compat-mode if cannot read the version
+                logger.warning('could not read version %r - using name only',
+                               req)
+                name = req.split()[0]
+                matcher = scheme.matcher(name)
+
+            name = matcher.key  # case-insensitive
+
+            matched = False
+            if name in provided:
+                for version, provider in provided[name]:
+                    try:
+                        match = matcher.match(version)
+                    except UnsupportedVersionError:
+                        match = False
+
+                    if match:
+                        graph.add_edge(dist, provider, req)
+                        matched = True
+                        break
+            if not matched:
+                graph.add_missing(dist, req)
+    return graph
+
+
+def get_dependent_dists(dists, dist):
+    """Recursively generate a list of distributions from *dists* that are
+    dependent on *dist*.
+
+    :param dists: a list of distributions
+    :param dist: a distribution, member of *dists* for which we are interested
+    """
+    if dist not in dists:
+        raise DistlibException('given distribution %r is not a member '
+                               'of the list' % dist.name)
+    graph = make_graph(dists)
+
+    dep = [dist]  # dependent distributions
+    todo = graph.reverse_list[dist]  # list of nodes we should inspect
+
+    while todo:
+        d = todo.pop()
+        dep.append(d)
+        for succ in graph.reverse_list[d]:
+            if succ not in dep:
+                todo.append(succ)
+
+    dep.pop(0)  # remove dist from dep, was there to prevent infinite loops
+    return dep
+
+
+def get_required_dists(dists, dist):
+    """Recursively generate a list of distributions from *dists* that are
+    required by *dist*.
+
+    :param dists: a list of distributions
+    :param dist: a distribution, member of *dists* for which we are interested
+                 in finding the dependencies.
+    """
+    if dist not in dists:
+        raise DistlibException('given distribution %r is not a member '
+                               'of the list' % dist.name)
+    graph = make_graph(dists)
+
+    req = set()  # required distributions
+    todo = graph.adjacency_list[dist]  # list of nodes we should inspect
+    seen = set(t[0] for t in todo)  # already added to todo
+
+    while todo:
+        d = todo.pop()[0]
+        req.add(d)
+        pred_list = graph.adjacency_list[d]
+        for pred in pred_list:
+            d = pred[0]
+            if d not in req and d not in seen:
+                seen.add(d)
+                todo.append(pred)
+    return req
+
+
+def make_dist(name, version, **kwargs):
+    """
+    A convenience method for making a dist given just a name and version.
+    """
+    summary = kwargs.pop('summary', 'Placeholder for summary')
+    md = Metadata(**kwargs)
+    md.name = name
+    md.version = version
+    md.summary = summary or 'Placeholder for summary'
+    return Distribution(md)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/index.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/index.py
new file mode 100644
index 00000000..56cd2867
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/index.py
@@ -0,0 +1,508 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2023 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+import hashlib
+import logging
+import os
+import shutil
+import subprocess
+import tempfile
+try:
+    from threading import Thread
+except ImportError:  # pragma: no cover
+    from dummy_threading import Thread
+
+from . import DistlibException
+from .compat import (HTTPBasicAuthHandler, Request, HTTPPasswordMgr,
+                     urlparse, build_opener, string_types)
+from .util import zip_dir, ServerProxy
+
+logger = logging.getLogger(__name__)
+
+DEFAULT_INDEX = 'https://pypi.org/pypi'
+DEFAULT_REALM = 'pypi'
+
+
+class PackageIndex(object):
+    """
+    This class represents a package index compatible with PyPI, the Python
+    Package Index.
+    """
+
+    boundary = b'----------ThIs_Is_tHe_distlib_index_bouNdaRY_$'
+
+    def __init__(self, url=None):
+        """
+        Initialise an instance.
+
+        :param url: The URL of the index. If not specified, the URL for PyPI is
+                    used.
+        """
+        self.url = url or DEFAULT_INDEX
+        self.read_configuration()
+        scheme, netloc, path, params, query, frag = urlparse(self.url)
+        if params or query or frag or scheme not in ('http', 'https'):
+            raise DistlibException('invalid repository: %s' % self.url)
+        self.password_handler = None
+        self.ssl_verifier = None
+        self.gpg = None
+        self.gpg_home = None
+        with open(os.devnull, 'w') as sink:
+            # Use gpg by default rather than gpg2, as gpg2 insists on
+            # prompting for passwords
+            for s in ('gpg', 'gpg2'):
+                try:
+                    rc = subprocess.check_call([s, '--version'], stdout=sink,
+                                               stderr=sink)
+                    if rc == 0:
+                        self.gpg = s
+                        break
+                except OSError:
+                    pass
+
+    def _get_pypirc_command(self):
+        """
+        Get the distutils command for interacting with PyPI configurations.
+        :return: the command.
+        """
+        from .util import _get_pypirc_command as cmd
+        return cmd()
+
+    def read_configuration(self):
+        """
+        Read the PyPI access configuration as supported by distutils. This populates
+        ``username``, ``password``, ``realm`` and ``url`` attributes from the
+        configuration.
+        """
+        from .util import _load_pypirc
+        cfg = _load_pypirc(self)
+        self.username = cfg.get('username')
+        self.password = cfg.get('password')
+        self.realm = cfg.get('realm', 'pypi')
+        self.url = cfg.get('repository', self.url)
+
+    def save_configuration(self):
+        """
+        Save the PyPI access configuration. You must have set ``username`` and
+        ``password`` attributes before calling this method.
+        """
+        self.check_credentials()
+        from .util import _store_pypirc
+        _store_pypirc(self)
+
+    def check_credentials(self):
+        """
+        Check that ``username`` and ``password`` have been set, and raise an
+        exception if not.
+        """
+        if self.username is None or self.password is None:
+            raise DistlibException('username and password must be set')
+        pm = HTTPPasswordMgr()
+        _, netloc, _, _, _, _ = urlparse(self.url)
+        pm.add_password(self.realm, netloc, self.username, self.password)
+        self.password_handler = HTTPBasicAuthHandler(pm)
+
+    def register(self, metadata):  # pragma: no cover
+        """
+        Register a distribution on PyPI, using the provided metadata.
+
+        :param metadata: A :class:`Metadata` instance defining at least a name
+                         and version number for the distribution to be
+                         registered.
+        :return: The HTTP response received from PyPI upon submission of the
+                request.
+        """
+        self.check_credentials()
+        metadata.validate()
+        d = metadata.todict()
+        d[':action'] = 'verify'
+        request = self.encode_request(d.items(), [])
+        self.send_request(request)
+        d[':action'] = 'submit'
+        request = self.encode_request(d.items(), [])
+        return self.send_request(request)
+
+    def _reader(self, name, stream, outbuf):
+        """
+        Thread runner for reading lines of from a subprocess into a buffer.
+
+        :param name: The logical name of the stream (used for logging only).
+        :param stream: The stream to read from. This will typically a pipe
+                       connected to the output stream of a subprocess.
+        :param outbuf: The list to append the read lines to.
+        """
+        while True:
+            s = stream.readline()
+            if not s:
+                break
+            s = s.decode('utf-8').rstrip()
+            outbuf.append(s)
+            logger.debug('%s: %s' % (name, s))
+        stream.close()
+
+    def get_sign_command(self, filename, signer, sign_password, keystore=None):  # pragma: no cover
+        """
+        Return a suitable command for signing a file.
+
+        :param filename: The pathname to the file to be signed.
+        :param signer: The identifier of the signer of the file.
+        :param sign_password: The passphrase for the signer's
+                              private key used for signing.
+        :param keystore: The path to a directory which contains the keys
+                         used in verification. If not specified, the
+                         instance's ``gpg_home`` attribute is used instead.
+        :return: The signing command as a list suitable to be
+                 passed to :class:`subprocess.Popen`.
+        """
+        cmd = [self.gpg, '--status-fd', '2', '--no-tty']
+        if keystore is None:
+            keystore = self.gpg_home
+        if keystore:
+            cmd.extend(['--homedir', keystore])
+        if sign_password is not None:
+            cmd.extend(['--batch', '--passphrase-fd', '0'])
+        td = tempfile.mkdtemp()
+        sf = os.path.join(td, os.path.basename(filename) + '.asc')
+        cmd.extend(['--detach-sign', '--armor', '--local-user',
+                    signer, '--output', sf, filename])
+        logger.debug('invoking: %s', ' '.join(cmd))
+        return cmd, sf
+
+    def run_command(self, cmd, input_data=None):
+        """
+        Run a command in a child process , passing it any input data specified.
+
+        :param cmd: The command to run.
+        :param input_data: If specified, this must be a byte string containing
+                           data to be sent to the child process.
+        :return: A tuple consisting of the subprocess' exit code, a list of
+                 lines read from the subprocess' ``stdout``, and a list of
+                 lines read from the subprocess' ``stderr``.
+        """
+        kwargs = {
+            'stdout': subprocess.PIPE,
+            'stderr': subprocess.PIPE,
+        }
+        if input_data is not None:
+            kwargs['stdin'] = subprocess.PIPE
+        stdout = []
+        stderr = []
+        p = subprocess.Popen(cmd, **kwargs)
+        # We don't use communicate() here because we may need to
+        # get clever with interacting with the command
+        t1 = Thread(target=self._reader, args=('stdout', p.stdout, stdout))
+        t1.start()
+        t2 = Thread(target=self._reader, args=('stderr', p.stderr, stderr))
+        t2.start()
+        if input_data is not None:
+            p.stdin.write(input_data)
+            p.stdin.close()
+
+        p.wait()
+        t1.join()
+        t2.join()
+        return p.returncode, stdout, stderr
+
+    def sign_file(self, filename, signer, sign_password, keystore=None):  # pragma: no cover
+        """
+        Sign a file.
+
+        :param filename: The pathname to the file to be signed.
+        :param signer: The identifier of the signer of the file.
+        :param sign_password: The passphrase for the signer's
+                              private key used for signing.
+        :param keystore: The path to a directory which contains the keys
+                         used in signing. If not specified, the instance's
+                         ``gpg_home`` attribute is used instead.
+        :return: The absolute pathname of the file where the signature is
+                 stored.
+        """
+        cmd, sig_file = self.get_sign_command(filename, signer, sign_password,
+                                              keystore)
+        rc, stdout, stderr = self.run_command(cmd,
+                                              sign_password.encode('utf-8'))
+        if rc != 0:
+            raise DistlibException('sign command failed with error '
+                                   'code %s' % rc)
+        return sig_file
+
+    def upload_file(self, metadata, filename, signer=None, sign_password=None,
+                    filetype='sdist', pyversion='source', keystore=None):
+        """
+        Upload a release file to the index.
+
+        :param metadata: A :class:`Metadata` instance defining at least a name
+                         and version number for the file to be uploaded.
+        :param filename: The pathname of the file to be uploaded.
+        :param signer: The identifier of the signer of the file.
+        :param sign_password: The passphrase for the signer's
+                              private key used for signing.
+        :param filetype: The type of the file being uploaded. This is the
+                        distutils command which produced that file, e.g.
+                        ``sdist`` or ``bdist_wheel``.
+        :param pyversion: The version of Python which the release relates
+                          to. For code compatible with any Python, this would
+                          be ``source``, otherwise it would be e.g. ``3.2``.
+        :param keystore: The path to a directory which contains the keys
+                         used in signing. If not specified, the instance's
+                         ``gpg_home`` attribute is used instead.
+        :return: The HTTP response received from PyPI upon submission of the
+                request.
+        """
+        self.check_credentials()
+        if not os.path.exists(filename):
+            raise DistlibException('not found: %s' % filename)
+        metadata.validate()
+        d = metadata.todict()
+        sig_file = None
+        if signer:
+            if not self.gpg:
+                logger.warning('no signing program available - not signed')
+            else:
+                sig_file = self.sign_file(filename, signer, sign_password,
+                                          keystore)
+        with open(filename, 'rb') as f:
+            file_data = f.read()
+        md5_digest = hashlib.md5(file_data).hexdigest()
+        sha256_digest = hashlib.sha256(file_data).hexdigest()
+        d.update({
+            ':action': 'file_upload',
+            'protocol_version': '1',
+            'filetype': filetype,
+            'pyversion': pyversion,
+            'md5_digest': md5_digest,
+            'sha256_digest': sha256_digest,
+        })
+        files = [('content', os.path.basename(filename), file_data)]
+        if sig_file:
+            with open(sig_file, 'rb') as f:
+                sig_data = f.read()
+            files.append(('gpg_signature', os.path.basename(sig_file),
+                         sig_data))
+            shutil.rmtree(os.path.dirname(sig_file))
+        request = self.encode_request(d.items(), files)
+        return self.send_request(request)
+
+    def upload_documentation(self, metadata, doc_dir):  # pragma: no cover
+        """
+        Upload documentation to the index.
+
+        :param metadata: A :class:`Metadata` instance defining at least a name
+                         and version number for the documentation to be
+                         uploaded.
+        :param doc_dir: The pathname of the directory which contains the
+                        documentation. This should be the directory that
+                        contains the ``index.html`` for the documentation.
+        :return: The HTTP response received from PyPI upon submission of the
+                request.
+        """
+        self.check_credentials()
+        if not os.path.isdir(doc_dir):
+            raise DistlibException('not a directory: %r' % doc_dir)
+        fn = os.path.join(doc_dir, 'index.html')
+        if not os.path.exists(fn):
+            raise DistlibException('not found: %r' % fn)
+        metadata.validate()
+        name, version = metadata.name, metadata.version
+        zip_data = zip_dir(doc_dir).getvalue()
+        fields = [(':action', 'doc_upload'),
+                  ('name', name), ('version', version)]
+        files = [('content', name, zip_data)]
+        request = self.encode_request(fields, files)
+        return self.send_request(request)
+
+    def get_verify_command(self, signature_filename, data_filename,
+                           keystore=None):
+        """
+        Return a suitable command for verifying a file.
+
+        :param signature_filename: The pathname to the file containing the
+                                   signature.
+        :param data_filename: The pathname to the file containing the
+                              signed data.
+        :param keystore: The path to a directory which contains the keys
+                         used in verification. If not specified, the
+                         instance's ``gpg_home`` attribute is used instead.
+        :return: The verifying command as a list suitable to be
+                 passed to :class:`subprocess.Popen`.
+        """
+        cmd = [self.gpg, '--status-fd', '2', '--no-tty']
+        if keystore is None:
+            keystore = self.gpg_home
+        if keystore:
+            cmd.extend(['--homedir', keystore])
+        cmd.extend(['--verify', signature_filename, data_filename])
+        logger.debug('invoking: %s', ' '.join(cmd))
+        return cmd
+
+    def verify_signature(self, signature_filename, data_filename,
+                         keystore=None):
+        """
+        Verify a signature for a file.
+
+        :param signature_filename: The pathname to the file containing the
+                                   signature.
+        :param data_filename: The pathname to the file containing the
+                              signed data.
+        :param keystore: The path to a directory which contains the keys
+                         used in verification. If not specified, the
+                         instance's ``gpg_home`` attribute is used instead.
+        :return: True if the signature was verified, else False.
+        """
+        if not self.gpg:
+            raise DistlibException('verification unavailable because gpg '
+                                   'unavailable')
+        cmd = self.get_verify_command(signature_filename, data_filename,
+                                      keystore)
+        rc, stdout, stderr = self.run_command(cmd)
+        if rc not in (0, 1):
+            raise DistlibException('verify command failed with error code %s' % rc)
+        return rc == 0
+
+    def download_file(self, url, destfile, digest=None, reporthook=None):
+        """
+        This is a convenience method for downloading a file from an URL.
+        Normally, this will be a file from the index, though currently
+        no check is made for this (i.e. a file can be downloaded from
+        anywhere).
+
+        The method is just like the :func:`urlretrieve` function in the
+        standard library, except that it allows digest computation to be
+        done during download and checking that the downloaded data
+        matched any expected value.
+
+        :param url: The URL of the file to be downloaded (assumed to be
+                    available via an HTTP GET request).
+        :param destfile: The pathname where the downloaded file is to be
+                         saved.
+        :param digest: If specified, this must be a (hasher, value)
+                       tuple, where hasher is the algorithm used (e.g.
+                       ``'md5'``) and ``value`` is the expected value.
+        :param reporthook: The same as for :func:`urlretrieve` in the
+                           standard library.
+        """
+        if digest is None:
+            digester = None
+            logger.debug('No digest specified')
+        else:
+            if isinstance(digest, (list, tuple)):
+                hasher, digest = digest
+            else:
+                hasher = 'md5'
+            digester = getattr(hashlib, hasher)()
+            logger.debug('Digest specified: %s' % digest)
+        # The following code is equivalent to urlretrieve.
+        # We need to do it this way so that we can compute the
+        # digest of the file as we go.
+        with open(destfile, 'wb') as dfp:
+            # addinfourl is not a context manager on 2.x
+            # so we have to use try/finally
+            sfp = self.send_request(Request(url))
+            try:
+                headers = sfp.info()
+                blocksize = 8192
+                size = -1
+                read = 0
+                blocknum = 0
+                if "content-length" in headers:
+                    size = int(headers["Content-Length"])
+                if reporthook:
+                    reporthook(blocknum, blocksize, size)
+                while True:
+                    block = sfp.read(blocksize)
+                    if not block:
+                        break
+                    read += len(block)
+                    dfp.write(block)
+                    if digester:
+                        digester.update(block)
+                    blocknum += 1
+                    if reporthook:
+                        reporthook(blocknum, blocksize, size)
+            finally:
+                sfp.close()
+
+        # check that we got the whole file, if we can
+        if size >= 0 and read < size:
+            raise DistlibException(
+                'retrieval incomplete: got only %d out of %d bytes'
+                % (read, size))
+        # if we have a digest, it must match.
+        if digester:
+            actual = digester.hexdigest()
+            if digest != actual:
+                raise DistlibException('%s digest mismatch for %s: expected '
+                                       '%s, got %s' % (hasher, destfile,
+                                                       digest, actual))
+            logger.debug('Digest verified: %s', digest)
+
+    def send_request(self, req):
+        """
+        Send a standard library :class:`Request` to PyPI and return its
+        response.
+
+        :param req: The request to send.
+        :return: The HTTP response from PyPI (a standard library HTTPResponse).
+        """
+        handlers = []
+        if self.password_handler:
+            handlers.append(self.password_handler)
+        if self.ssl_verifier:
+            handlers.append(self.ssl_verifier)
+        opener = build_opener(*handlers)
+        return opener.open(req)
+
+    def encode_request(self, fields, files):
+        """
+        Encode fields and files for posting to an HTTP server.
+
+        :param fields: The fields to send as a list of (fieldname, value)
+                       tuples.
+        :param files: The files to send as a list of (fieldname, filename,
+                      file_bytes) tuple.
+        """
+        # Adapted from packaging, which in turn was adapted from
+        # http://code.activestate.com/recipes/146306
+
+        parts = []
+        boundary = self.boundary
+        for k, values in fields:
+            if not isinstance(values, (list, tuple)):
+                values = [values]
+
+            for v in values:
+                parts.extend((
+                    b'--' + boundary,
+                    ('Content-Disposition: form-data; name="%s"' %
+                     k).encode('utf-8'),
+                    b'',
+                    v.encode('utf-8')))
+        for key, filename, value in files:
+            parts.extend((
+                b'--' + boundary,
+                ('Content-Disposition: form-data; name="%s"; filename="%s"' %
+                 (key, filename)).encode('utf-8'),
+                b'',
+                value))
+
+        parts.extend((b'--' + boundary + b'--', b''))
+
+        body = b'\r\n'.join(parts)
+        ct = b'multipart/form-data; boundary=' + boundary
+        headers = {
+            'Content-type': ct,
+            'Content-length': str(len(body))
+        }
+        return Request(self.url, body, headers)
+
+    def search(self, terms, operator=None):  # pragma: no cover
+        if isinstance(terms, string_types):
+            terms = {'name': terms}
+        rpc_proxy = ServerProxy(self.url, timeout=3.0)
+        try:
+            return rpc_proxy.search(terms, operator or 'and')
+        finally:
+            rpc_proxy('close')()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/locators.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/locators.py
new file mode 100644
index 00000000..f9f0788f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/locators.py
@@ -0,0 +1,1303 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2023 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+
+import gzip
+from io import BytesIO
+import json
+import logging
+import os
+import posixpath
+import re
+try:
+    import threading
+except ImportError:  # pragma: no cover
+    import dummy_threading as threading
+import zlib
+
+from . import DistlibException
+from .compat import (urljoin, urlparse, urlunparse, url2pathname, pathname2url,
+                     queue, quote, unescape, build_opener,
+                     HTTPRedirectHandler as BaseRedirectHandler, text_type,
+                     Request, HTTPError, URLError)
+from .database import Distribution, DistributionPath, make_dist
+from .metadata import Metadata, MetadataInvalidError
+from .util import (cached_property, ensure_slash, split_filename, get_project_data,
+                   parse_requirement, parse_name_and_version, ServerProxy,
+                   normalize_name)
+from .version import get_scheme, UnsupportedVersionError
+from .wheel import Wheel, is_compatible
+
+logger = logging.getLogger(__name__)
+
+HASHER_HASH = re.compile(r'^(\w+)=([a-f0-9]+)')
+CHARSET = re.compile(r';\s*charset\s*=\s*(.*)\s*$', re.I)
+HTML_CONTENT_TYPE = re.compile('text/html|application/x(ht)?ml')
+DEFAULT_INDEX = 'https://pypi.org/pypi'
+
+
+def get_all_distribution_names(url=None):
+    """
+    Return all distribution names known by an index.
+    :param url: The URL of the index.
+    :return: A list of all known distribution names.
+    """
+    if url is None:
+        url = DEFAULT_INDEX
+    client = ServerProxy(url, timeout=3.0)
+    try:
+        return client.list_packages()
+    finally:
+        client('close')()
+
+
+class RedirectHandler(BaseRedirectHandler):
+    """
+    A class to work around a bug in some Python 3.2.x releases.
+    """
+    # There's a bug in the base version for some 3.2.x
+    # (e.g. 3.2.2 on Ubuntu Oneiric). If a Location header
+    # returns e.g. /abc, it bails because it says the scheme ''
+    # is bogus, when actually it should use the request's
+    # URL for the scheme. See Python issue #13696.
+    def http_error_302(self, req, fp, code, msg, headers):
+        # Some servers (incorrectly) return multiple Location headers
+        # (so probably same goes for URI).  Use first header.
+        newurl = None
+        for key in ('location', 'uri'):
+            if key in headers:
+                newurl = headers[key]
+                break
+        if newurl is None:  # pragma: no cover
+            return
+        urlparts = urlparse(newurl)
+        if urlparts.scheme == '':
+            newurl = urljoin(req.get_full_url(), newurl)
+            if hasattr(headers, 'replace_header'):
+                headers.replace_header(key, newurl)
+            else:
+                headers[key] = newurl
+        return BaseRedirectHandler.http_error_302(self, req, fp, code, msg,
+                                                  headers)
+
+    http_error_301 = http_error_303 = http_error_307 = http_error_302
+
+
+class Locator(object):
+    """
+    A base class for locators - things that locate distributions.
+    """
+    source_extensions = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz')
+    binary_extensions = ('.egg', '.exe', '.whl')
+    excluded_extensions = ('.pdf',)
+
+    # A list of tags indicating which wheels you want to match. The default
+    # value of None matches against the tags compatible with the running
+    # Python. If you want to match other values, set wheel_tags on a locator
+    # instance to a list of tuples (pyver, abi, arch) which you want to match.
+    wheel_tags = None
+
+    downloadable_extensions = source_extensions + ('.whl',)
+
+    def __init__(self, scheme='default'):
+        """
+        Initialise an instance.
+        :param scheme: Because locators look for most recent versions, they
+                       need to know the version scheme to use. This specifies
+                       the current PEP-recommended scheme - use ``'legacy'``
+                       if you need to support existing distributions on PyPI.
+        """
+        self._cache = {}
+        self.scheme = scheme
+        # Because of bugs in some of the handlers on some of the platforms,
+        # we use our own opener rather than just using urlopen.
+        self.opener = build_opener(RedirectHandler())
+        # If get_project() is called from locate(), the matcher instance
+        # is set from the requirement passed to locate(). See issue #18 for
+        # why this can be useful to know.
+        self.matcher = None
+        self.errors = queue.Queue()
+
+    def get_errors(self):
+        """
+        Return any errors which have occurred.
+        """
+        result = []
+        while not self.errors.empty():  # pragma: no cover
+            try:
+                e = self.errors.get(False)
+                result.append(e)
+            except self.errors.Empty:
+                continue
+            self.errors.task_done()
+        return result
+
+    def clear_errors(self):
+        """
+        Clear any errors which may have been logged.
+        """
+        # Just get the errors and throw them away
+        self.get_errors()
+
+    def clear_cache(self):
+        self._cache.clear()
+
+    def _get_scheme(self):
+        return self._scheme
+
+    def _set_scheme(self, value):
+        self._scheme = value
+
+    scheme = property(_get_scheme, _set_scheme)
+
+    def _get_project(self, name):
+        """
+        For a given project, get a dictionary mapping available versions to Distribution
+        instances.
+
+        This should be implemented in subclasses.
+
+        If called from a locate() request, self.matcher will be set to a
+        matcher for the requirement to satisfy, otherwise it will be None.
+        """
+        raise NotImplementedError('Please implement in the subclass')
+
+    def get_distribution_names(self):
+        """
+        Return all the distribution names known to this locator.
+        """
+        raise NotImplementedError('Please implement in the subclass')
+
+    def get_project(self, name):
+        """
+        For a given project, get a dictionary mapping available versions to Distribution
+        instances.
+
+        This calls _get_project to do all the work, and just implements a caching layer on top.
+        """
+        if self._cache is None:  # pragma: no cover
+            result = self._get_project(name)
+        elif name in self._cache:
+            result = self._cache[name]
+        else:
+            self.clear_errors()
+            result = self._get_project(name)
+            self._cache[name] = result
+        return result
+
+    def score_url(self, url):
+        """
+        Give an url a score which can be used to choose preferred URLs
+        for a given project release.
+        """
+        t = urlparse(url)
+        basename = posixpath.basename(t.path)
+        compatible = True
+        is_wheel = basename.endswith('.whl')
+        is_downloadable = basename.endswith(self.downloadable_extensions)
+        if is_wheel:
+            compatible = is_compatible(Wheel(basename), self.wheel_tags)
+        return (t.scheme == 'https', 'pypi.org' in t.netloc,
+                is_downloadable, is_wheel, compatible, basename)
+
+    def prefer_url(self, url1, url2):
+        """
+        Choose one of two URLs where both are candidates for distribution
+        archives for the same version of a distribution (for example,
+        .tar.gz vs. zip).
+
+        The current implementation favours https:// URLs over http://, archives
+        from PyPI over those from other locations, wheel compatibility (if a
+        wheel) and then the archive name.
+        """
+        result = url2
+        if url1:
+            s1 = self.score_url(url1)
+            s2 = self.score_url(url2)
+            if s1 > s2:
+                result = url1
+            if result != url2:
+                logger.debug('Not replacing %r with %r', url1, url2)
+            else:
+                logger.debug('Replacing %r with %r', url1, url2)
+        return result
+
+    def split_filename(self, filename, project_name):
+        """
+        Attempt to split a filename in project name, version and Python version.
+        """
+        return split_filename(filename, project_name)
+
+    def convert_url_to_download_info(self, url, project_name):
+        """
+        See if a URL is a candidate for a download URL for a project (the URL
+        has typically been scraped from an HTML page).
+
+        If it is, a dictionary is returned with keys "name", "version",
+        "filename" and "url"; otherwise, None is returned.
+        """
+        def same_project(name1, name2):
+            return normalize_name(name1) == normalize_name(name2)
+
+        result = None
+        scheme, netloc, path, params, query, frag = urlparse(url)
+        if frag.lower().startswith('egg='):  # pragma: no cover
+            logger.debug('%s: version hint in fragment: %r',
+                         project_name, frag)
+        m = HASHER_HASH.match(frag)
+        if m:
+            algo, digest = m.groups()
+        else:
+            algo, digest = None, None
+        origpath = path
+        if path and path[-1] == '/':  # pragma: no cover
+            path = path[:-1]
+        if path.endswith('.whl'):
+            try:
+                wheel = Wheel(path)
+                if not is_compatible(wheel, self.wheel_tags):
+                    logger.debug('Wheel not compatible: %s', path)
+                else:
+                    if project_name is None:
+                        include = True
+                    else:
+                        include = same_project(wheel.name, project_name)
+                    if include:
+                        result = {
+                            'name': wheel.name,
+                            'version': wheel.version,
+                            'filename': wheel.filename,
+                            'url': urlunparse((scheme, netloc, origpath,
+                                               params, query, '')),
+                            'python-version': ', '.join(
+                                ['.'.join(list(v[2:])) for v in wheel.pyver]),
+                        }
+            except Exception:  # pragma: no cover
+                logger.warning('invalid path for wheel: %s', path)
+        elif not path.endswith(self.downloadable_extensions):  # pragma: no cover
+            logger.debug('Not downloadable: %s', path)
+        else:  # downloadable extension
+            path = filename = posixpath.basename(path)
+            for ext in self.downloadable_extensions:
+                if path.endswith(ext):
+                    path = path[:-len(ext)]
+                    t = self.split_filename(path, project_name)
+                    if not t:  # pragma: no cover
+                        logger.debug('No match for project/version: %s', path)
+                    else:
+                        name, version, pyver = t
+                        if not project_name or same_project(project_name, name):
+                            result = {
+                                'name': name,
+                                'version': version,
+                                'filename': filename,
+                                'url': urlunparse((scheme, netloc, origpath,
+                                                   params, query, '')),
+                            }
+                            if pyver:  # pragma: no cover
+                                result['python-version'] = pyver
+                    break
+        if result and algo:
+            result['%s_digest' % algo] = digest
+        return result
+
+    def _get_digest(self, info):
+        """
+        Get a digest from a dictionary by looking at a "digests" dictionary
+        or keys of the form 'algo_digest'.
+
+        Returns a 2-tuple (algo, digest) if found, else None. Currently
+        looks only for SHA256, then MD5.
+        """
+        result = None
+        if 'digests' in info:
+            digests = info['digests']
+            for algo in ('sha256', 'md5'):
+                if algo in digests:
+                    result = (algo, digests[algo])
+                    break
+        if not result:
+            for algo in ('sha256', 'md5'):
+                key = '%s_digest' % algo
+                if key in info:
+                    result = (algo, info[key])
+                    break
+        return result
+
+    def _update_version_data(self, result, info):
+        """
+        Update a result dictionary (the final result from _get_project) with a
+        dictionary for a specific version, which typically holds information
+        gleaned from a filename or URL for an archive for the distribution.
+        """
+        name = info.pop('name')
+        version = info.pop('version')
+        if version in result:
+            dist = result[version]
+            md = dist.metadata
+        else:
+            dist = make_dist(name, version, scheme=self.scheme)
+            md = dist.metadata
+        dist.digest = digest = self._get_digest(info)
+        url = info['url']
+        result['digests'][url] = digest
+        if md.source_url != info['url']:
+            md.source_url = self.prefer_url(md.source_url, url)
+            result['urls'].setdefault(version, set()).add(url)
+        dist.locator = self
+        result[version] = dist
+
+    def locate(self, requirement, prereleases=False):
+        """
+        Find the most recent distribution which matches the given
+        requirement.
+
+        :param requirement: A requirement of the form 'foo (1.0)' or perhaps
+                            'foo (>= 1.0, < 2.0, != 1.3)'
+        :param prereleases: If ``True``, allow pre-release versions
+                            to be located. Otherwise, pre-release versions
+                            are not returned.
+        :return: A :class:`Distribution` instance, or ``None`` if no such
+                 distribution could be located.
+        """
+        result = None
+        r = parse_requirement(requirement)
+        if r is None:  # pragma: no cover
+            raise DistlibException('Not a valid requirement: %r' % requirement)
+        scheme = get_scheme(self.scheme)
+        self.matcher = matcher = scheme.matcher(r.requirement)
+        logger.debug('matcher: %s (%s)', matcher, type(matcher).__name__)
+        versions = self.get_project(r.name)
+        if len(versions) > 2:   # urls and digests keys are present
+            # sometimes, versions are invalid
+            slist = []
+            vcls = matcher.version_class
+            for k in versions:
+                if k in ('urls', 'digests'):
+                    continue
+                try:
+                    if not matcher.match(k):
+                        pass  # logger.debug('%s did not match %r', matcher, k)
+                    else:
+                        if prereleases or not vcls(k).is_prerelease:
+                            slist.append(k)
+                except Exception:  # pragma: no cover
+                    logger.warning('error matching %s with %r', matcher, k)
+                    pass  # slist.append(k)
+            if len(slist) > 1:
+                slist = sorted(slist, key=scheme.key)
+            if slist:
+                logger.debug('sorted list: %s', slist)
+                version = slist[-1]
+                result = versions[version]
+        if result:
+            if r.extras:
+                result.extras = r.extras
+            result.download_urls = versions.get('urls', {}).get(version, set())
+            d = {}
+            sd = versions.get('digests', {})
+            for url in result.download_urls:
+                if url in sd:  # pragma: no cover
+                    d[url] = sd[url]
+            result.digests = d
+        self.matcher = None
+        return result
+
+
+class PyPIRPCLocator(Locator):
+    """
+    This locator uses XML-RPC to locate distributions. It therefore
+    cannot be used with simple mirrors (that only mirror file content).
+    """
+    def __init__(self, url, **kwargs):
+        """
+        Initialise an instance.
+
+        :param url: The URL to use for XML-RPC.
+        :param kwargs: Passed to the superclass constructor.
+        """
+        super(PyPIRPCLocator, self).__init__(**kwargs)
+        self.base_url = url
+        self.client = ServerProxy(url, timeout=3.0)
+
+    def get_distribution_names(self):
+        """
+        Return all the distribution names known to this locator.
+        """
+        return set(self.client.list_packages())
+
+    def _get_project(self, name):
+        result = {'urls': {}, 'digests': {}}
+        versions = self.client.package_releases(name, True)
+        for v in versions:
+            urls = self.client.release_urls(name, v)
+            data = self.client.release_data(name, v)
+            metadata = Metadata(scheme=self.scheme)
+            metadata.name = data['name']
+            metadata.version = data['version']
+            metadata.license = data.get('license')
+            metadata.keywords = data.get('keywords', [])
+            metadata.summary = data.get('summary')
+            dist = Distribution(metadata)
+            if urls:
+                info = urls[0]
+                metadata.source_url = info['url']
+                dist.digest = self._get_digest(info)
+                dist.locator = self
+                result[v] = dist
+                for info in urls:
+                    url = info['url']
+                    digest = self._get_digest(info)
+                    result['urls'].setdefault(v, set()).add(url)
+                    result['digests'][url] = digest
+        return result
+
+
+class PyPIJSONLocator(Locator):
+    """
+    This locator uses PyPI's JSON interface. It's very limited in functionality
+    and probably not worth using.
+    """
+    def __init__(self, url, **kwargs):
+        super(PyPIJSONLocator, self).__init__(**kwargs)
+        self.base_url = ensure_slash(url)
+
+    def get_distribution_names(self):
+        """
+        Return all the distribution names known to this locator.
+        """
+        raise NotImplementedError('Not available from this locator')
+
+    def _get_project(self, name):
+        result = {'urls': {}, 'digests': {}}
+        url = urljoin(self.base_url, '%s/json' % quote(name))
+        try:
+            resp = self.opener.open(url)
+            data = resp.read().decode()  # for now
+            d = json.loads(data)
+            md = Metadata(scheme=self.scheme)
+            data = d['info']
+            md.name = data['name']
+            md.version = data['version']
+            md.license = data.get('license')
+            md.keywords = data.get('keywords', [])
+            md.summary = data.get('summary')
+            dist = Distribution(md)
+            dist.locator = self
+            # urls = d['urls']
+            result[md.version] = dist
+            for info in d['urls']:
+                url = info['url']
+                dist.download_urls.add(url)
+                dist.digests[url] = self._get_digest(info)
+                result['urls'].setdefault(md.version, set()).add(url)
+                result['digests'][url] = self._get_digest(info)
+            # Now get other releases
+            for version, infos in d['releases'].items():
+                if version == md.version:
+                    continue    # already done
+                omd = Metadata(scheme=self.scheme)
+                omd.name = md.name
+                omd.version = version
+                odist = Distribution(omd)
+                odist.locator = self
+                result[version] = odist
+                for info in infos:
+                    url = info['url']
+                    odist.download_urls.add(url)
+                    odist.digests[url] = self._get_digest(info)
+                    result['urls'].setdefault(version, set()).add(url)
+                    result['digests'][url] = self._get_digest(info)
+#            for info in urls:
+#                md.source_url = info['url']
+#                dist.digest = self._get_digest(info)
+#                dist.locator = self
+#                for info in urls:
+#                    url = info['url']
+#                    result['urls'].setdefault(md.version, set()).add(url)
+#                    result['digests'][url] = self._get_digest(info)
+        except Exception as e:
+            self.errors.put(text_type(e))
+            logger.exception('JSON fetch failed: %s', e)
+        return result
+
+
+class Page(object):
+    """
+    This class represents a scraped HTML page.
+    """
+    # The following slightly hairy-looking regex just looks for the contents of
+    # an anchor link, which has an attribute "href" either immediately preceded
+    # or immediately followed by a "rel" attribute. The attribute values can be
+    # declared with double quotes, single quotes or no quotes - which leads to
+    # the length of the expression.
+    _href = re.compile("""
+(rel\\s*=\\s*(?:"(?P<rel1>[^"]*)"|'(?P<rel2>[^']*)'|(?P<rel3>[^>\\s\n]*))\\s+)?
+href\\s*=\\s*(?:"(?P<url1>[^"]*)"|'(?P<url2>[^']*)'|(?P<url3>[^>\\s\n]*))
+(\\s+rel\\s*=\\s*(?:"(?P<rel4>[^"]*)"|'(?P<rel5>[^']*)'|(?P<rel6>[^>\\s\n]*)))?
+""", re.I | re.S | re.X)
+    _base = re.compile(r"""<base\s+href\s*=\s*['"]?([^'">]+)""", re.I | re.S)
+
+    def __init__(self, data, url):
+        """
+        Initialise an instance with the Unicode page contents and the URL they
+        came from.
+        """
+        self.data = data
+        self.base_url = self.url = url
+        m = self._base.search(self.data)
+        if m:
+            self.base_url = m.group(1)
+
+    _clean_re = re.compile(r'[^a-z0-9$&+,/:;=?@.#%_\\|-]', re.I)
+
+    @cached_property
+    def links(self):
+        """
+        Return the URLs of all the links on a page together with information
+        about their "rel" attribute, for determining which ones to treat as
+        downloads and which ones to queue for further scraping.
+        """
+        def clean(url):
+            "Tidy up an URL."
+            scheme, netloc, path, params, query, frag = urlparse(url)
+            return urlunparse((scheme, netloc, quote(path),
+                               params, query, frag))
+
+        result = set()
+        for match in self._href.finditer(self.data):
+            d = match.groupdict('')
+            rel = (d['rel1'] or d['rel2'] or d['rel3'] or
+                   d['rel4'] or d['rel5'] or d['rel6'])
+            url = d['url1'] or d['url2'] or d['url3']
+            url = urljoin(self.base_url, url)
+            url = unescape(url)
+            url = self._clean_re.sub(lambda m: '%%%2x' % ord(m.group(0)), url)
+            result.add((url, rel))
+        # We sort the result, hoping to bring the most recent versions
+        # to the front
+        result = sorted(result, key=lambda t: t[0], reverse=True)
+        return result
+
+
+class SimpleScrapingLocator(Locator):
+    """
+    A locator which scrapes HTML pages to locate downloads for a distribution.
+    This runs multiple threads to do the I/O; performance is at least as good
+    as pip's PackageFinder, which works in an analogous fashion.
+    """
+
+    # These are used to deal with various Content-Encoding schemes.
+    decoders = {
+        'deflate': zlib.decompress,
+        'gzip': lambda b: gzip.GzipFile(fileobj=BytesIO(b)).read(),
+        'none': lambda b: b,
+    }
+
+    def __init__(self, url, timeout=None, num_workers=10, **kwargs):
+        """
+        Initialise an instance.
+        :param url: The root URL to use for scraping.
+        :param timeout: The timeout, in seconds, to be applied to requests.
+                        This defaults to ``None`` (no timeout specified).
+        :param num_workers: The number of worker threads you want to do I/O,
+                            This defaults to 10.
+        :param kwargs: Passed to the superclass.
+        """
+        super(SimpleScrapingLocator, self).__init__(**kwargs)
+        self.base_url = ensure_slash(url)
+        self.timeout = timeout
+        self._page_cache = {}
+        self._seen = set()
+        self._to_fetch = queue.Queue()
+        self._bad_hosts = set()
+        self.skip_externals = False
+        self.num_workers = num_workers
+        self._lock = threading.RLock()
+        # See issue #45: we need to be resilient when the locator is used
+        # in a thread, e.g. with concurrent.futures. We can't use self._lock
+        # as it is for coordinating our internal threads - the ones created
+        # in _prepare_threads.
+        self._gplock = threading.RLock()
+        self.platform_check = False  # See issue #112
+
+    def _prepare_threads(self):
+        """
+        Threads are created only when get_project is called, and terminate
+        before it returns. They are there primarily to parallelise I/O (i.e.
+        fetching web pages).
+        """
+        self._threads = []
+        for i in range(self.num_workers):
+            t = threading.Thread(target=self._fetch)
+            t.daemon = True
+            t.start()
+            self._threads.append(t)
+
+    def _wait_threads(self):
+        """
+        Tell all the threads to terminate (by sending a sentinel value) and
+        wait for them to do so.
+        """
+        # Note that you need two loops, since you can't say which
+        # thread will get each sentinel
+        for t in self._threads:
+            self._to_fetch.put(None)    # sentinel
+        for t in self._threads:
+            t.join()
+        self._threads = []
+
+    def _get_project(self, name):
+        result = {'urls': {}, 'digests': {}}
+        with self._gplock:
+            self.result = result
+            self.project_name = name
+            url = urljoin(self.base_url, '%s/' % quote(name))
+            self._seen.clear()
+            self._page_cache.clear()
+            self._prepare_threads()
+            try:
+                logger.debug('Queueing %s', url)
+                self._to_fetch.put(url)
+                self._to_fetch.join()
+            finally:
+                self._wait_threads()
+            del self.result
+        return result
+
+    platform_dependent = re.compile(r'\b(linux_(i\d86|x86_64|arm\w+)|'
+                                    r'win(32|_amd64)|macosx_?\d+)\b', re.I)
+
+    def _is_platform_dependent(self, url):
+        """
+        Does an URL refer to a platform-specific download?
+        """
+        return self.platform_dependent.search(url)
+
+    def _process_download(self, url):
+        """
+        See if an URL is a suitable download for a project.
+
+        If it is, register information in the result dictionary (for
+        _get_project) about the specific version it's for.
+
+        Note that the return value isn't actually used other than as a boolean
+        value.
+        """
+        if self.platform_check and self._is_platform_dependent(url):
+            info = None
+        else:
+            info = self.convert_url_to_download_info(url, self.project_name)
+        logger.debug('process_download: %s -> %s', url, info)
+        if info:
+            with self._lock:    # needed because self.result is shared
+                self._update_version_data(self.result, info)
+        return info
+
+    def _should_queue(self, link, referrer, rel):
+        """
+        Determine whether a link URL from a referring page and with a
+        particular "rel" attribute should be queued for scraping.
+        """
+        scheme, netloc, path, _, _, _ = urlparse(link)
+        if path.endswith(self.source_extensions + self.binary_extensions +
+                         self.excluded_extensions):
+            result = False
+        elif self.skip_externals and not link.startswith(self.base_url):
+            result = False
+        elif not referrer.startswith(self.base_url):
+            result = False
+        elif rel not in ('homepage', 'download'):
+            result = False
+        elif scheme not in ('http', 'https', 'ftp'):
+            result = False
+        elif self._is_platform_dependent(link):
+            result = False
+        else:
+            host = netloc.split(':', 1)[0]
+            if host.lower() == 'localhost':
+                result = False
+            else:
+                result = True
+        logger.debug('should_queue: %s (%s) from %s -> %s', link, rel,
+                     referrer, result)
+        return result
+
+    def _fetch(self):
+        """
+        Get a URL to fetch from the work queue, get the HTML page, examine its
+        links for download candidates and candidates for further scraping.
+
+        This is a handy method to run in a thread.
+        """
+        while True:
+            url = self._to_fetch.get()
+            try:
+                if url:
+                    page = self.get_page(url)
+                    if page is None:    # e.g. after an error
+                        continue
+                    for link, rel in page.links:
+                        if link not in self._seen:
+                            try:
+                                self._seen.add(link)
+                                if (not self._process_download(link) and
+                                        self._should_queue(link, url, rel)):
+                                    logger.debug('Queueing %s from %s', link, url)
+                                    self._to_fetch.put(link)
+                            except MetadataInvalidError:  # e.g. invalid versions
+                                pass
+            except Exception as e:  # pragma: no cover
+                self.errors.put(text_type(e))
+            finally:
+                # always do this, to avoid hangs :-)
+                self._to_fetch.task_done()
+            if not url:
+                # logger.debug('Sentinel seen, quitting.')
+                break
+
+    def get_page(self, url):
+        """
+        Get the HTML for an URL, possibly from an in-memory cache.
+
+        XXX TODO Note: this cache is never actually cleared. It's assumed that
+        the data won't get stale over the lifetime of a locator instance (not
+        necessarily true for the default_locator).
+        """
+        # http://peak.telecommunity.com/DevCenter/EasyInstall#package-index-api
+        scheme, netloc, path, _, _, _ = urlparse(url)
+        if scheme == 'file' and os.path.isdir(url2pathname(path)):
+            url = urljoin(ensure_slash(url), 'index.html')
+
+        if url in self._page_cache:
+            result = self._page_cache[url]
+            logger.debug('Returning %s from cache: %s', url, result)
+        else:
+            host = netloc.split(':', 1)[0]
+            result = None
+            if host in self._bad_hosts:
+                logger.debug('Skipping %s due to bad host %s', url, host)
+            else:
+                req = Request(url, headers={'Accept-encoding': 'identity'})
+                try:
+                    logger.debug('Fetching %s', url)
+                    resp = self.opener.open(req, timeout=self.timeout)
+                    logger.debug('Fetched %s', url)
+                    headers = resp.info()
+                    content_type = headers.get('Content-Type', '')
+                    if HTML_CONTENT_TYPE.match(content_type):
+                        final_url = resp.geturl()
+                        data = resp.read()
+                        encoding = headers.get('Content-Encoding')
+                        if encoding:
+                            decoder = self.decoders[encoding]   # fail if not found
+                            data = decoder(data)
+                        encoding = 'utf-8'
+                        m = CHARSET.search(content_type)
+                        if m:
+                            encoding = m.group(1)
+                        try:
+                            data = data.decode(encoding)
+                        except UnicodeError:  # pragma: no cover
+                            data = data.decode('latin-1')    # fallback
+                        result = Page(data, final_url)
+                        self._page_cache[final_url] = result
+                except HTTPError as e:
+                    if e.code != 404:
+                        logger.exception('Fetch failed: %s: %s', url, e)
+                except URLError as e:  # pragma: no cover
+                    logger.exception('Fetch failed: %s: %s', url, e)
+                    with self._lock:
+                        self._bad_hosts.add(host)
+                except Exception as e:  # pragma: no cover
+                    logger.exception('Fetch failed: %s: %s', url, e)
+                finally:
+                    self._page_cache[url] = result   # even if None (failure)
+        return result
+
+    _distname_re = re.compile('<a href=[^>]*>([^<]+)<')
+
+    def get_distribution_names(self):
+        """
+        Return all the distribution names known to this locator.
+        """
+        result = set()
+        page = self.get_page(self.base_url)
+        if not page:
+            raise DistlibException('Unable to get %s' % self.base_url)
+        for match in self._distname_re.finditer(page.data):
+            result.add(match.group(1))
+        return result
+
+
+class DirectoryLocator(Locator):
+    """
+    This class locates distributions in a directory tree.
+    """
+
+    def __init__(self, path, **kwargs):
+        """
+        Initialise an instance.
+        :param path: The root of the directory tree to search.
+        :param kwargs: Passed to the superclass constructor,
+                       except for:
+                       * recursive - if True (the default), subdirectories are
+                         recursed into. If False, only the top-level directory
+                         is searched,
+        """
+        self.recursive = kwargs.pop('recursive', True)
+        super(DirectoryLocator, self).__init__(**kwargs)
+        path = os.path.abspath(path)
+        if not os.path.isdir(path):  # pragma: no cover
+            raise DistlibException('Not a directory: %r' % path)
+        self.base_dir = path
+
+    def should_include(self, filename, parent):
+        """
+        Should a filename be considered as a candidate for a distribution
+        archive? As well as the filename, the directory which contains it
+        is provided, though not used by the current implementation.
+        """
+        return filename.endswith(self.downloadable_extensions)
+
+    def _get_project(self, name):
+        result = {'urls': {}, 'digests': {}}
+        for root, dirs, files in os.walk(self.base_dir):
+            for fn in files:
+                if self.should_include(fn, root):
+                    fn = os.path.join(root, fn)
+                    url = urlunparse(('file', '',
+                                      pathname2url(os.path.abspath(fn)),
+                                      '', '', ''))
+                    info = self.convert_url_to_download_info(url, name)
+                    if info:
+                        self._update_version_data(result, info)
+            if not self.recursive:
+                break
+        return result
+
+    def get_distribution_names(self):
+        """
+        Return all the distribution names known to this locator.
+        """
+        result = set()
+        for root, dirs, files in os.walk(self.base_dir):
+            for fn in files:
+                if self.should_include(fn, root):
+                    fn = os.path.join(root, fn)
+                    url = urlunparse(('file', '',
+                                      pathname2url(os.path.abspath(fn)),
+                                      '', '', ''))
+                    info = self.convert_url_to_download_info(url, None)
+                    if info:
+                        result.add(info['name'])
+            if not self.recursive:
+                break
+        return result
+
+
+class JSONLocator(Locator):
+    """
+    This locator uses special extended metadata (not available on PyPI) and is
+    the basis of performant dependency resolution in distlib. Other locators
+    require archive downloads before dependencies can be determined! As you
+    might imagine, that can be slow.
+    """
+    def get_distribution_names(self):
+        """
+        Return all the distribution names known to this locator.
+        """
+        raise NotImplementedError('Not available from this locator')
+
+    def _get_project(self, name):
+        result = {'urls': {}, 'digests': {}}
+        data = get_project_data(name)
+        if data:
+            for info in data.get('files', []):
+                if info['ptype'] != 'sdist' or info['pyversion'] != 'source':
+                    continue
+                # We don't store summary in project metadata as it makes
+                # the data bigger for no benefit during dependency
+                # resolution
+                dist = make_dist(data['name'], info['version'],
+                                 summary=data.get('summary',
+                                                  'Placeholder for summary'),
+                                 scheme=self.scheme)
+                md = dist.metadata
+                md.source_url = info['url']
+                # TODO SHA256 digest
+                if 'digest' in info and info['digest']:
+                    dist.digest = ('md5', info['digest'])
+                md.dependencies = info.get('requirements', {})
+                dist.exports = info.get('exports', {})
+                result[dist.version] = dist
+                result['urls'].setdefault(dist.version, set()).add(info['url'])
+        return result
+
+
+class DistPathLocator(Locator):
+    """
+    This locator finds installed distributions in a path. It can be useful for
+    adding to an :class:`AggregatingLocator`.
+    """
+    def __init__(self, distpath, **kwargs):
+        """
+        Initialise an instance.
+
+        :param distpath: A :class:`DistributionPath` instance to search.
+        """
+        super(DistPathLocator, self).__init__(**kwargs)
+        assert isinstance(distpath, DistributionPath)
+        self.distpath = distpath
+
+    def _get_project(self, name):
+        dist = self.distpath.get_distribution(name)
+        if dist is None:
+            result = {'urls': {}, 'digests': {}}
+        else:
+            result = {
+                dist.version: dist,
+                'urls': {dist.version: set([dist.source_url])},
+                'digests': {dist.version: set([None])}
+            }
+        return result
+
+
+class AggregatingLocator(Locator):
+    """
+    This class allows you to chain and/or merge a list of locators.
+    """
+    def __init__(self, *locators, **kwargs):
+        """
+        Initialise an instance.
+
+        :param locators: The list of locators to search.
+        :param kwargs: Passed to the superclass constructor,
+                       except for:
+                       * merge - if False (the default), the first successful
+                         search from any of the locators is returned. If True,
+                         the results from all locators are merged (this can be
+                         slow).
+        """
+        self.merge = kwargs.pop('merge', False)
+        self.locators = locators
+        super(AggregatingLocator, self).__init__(**kwargs)
+
+    def clear_cache(self):
+        super(AggregatingLocator, self).clear_cache()
+        for locator in self.locators:
+            locator.clear_cache()
+
+    def _set_scheme(self, value):
+        self._scheme = value
+        for locator in self.locators:
+            locator.scheme = value
+
+    scheme = property(Locator.scheme.fget, _set_scheme)
+
+    def _get_project(self, name):
+        result = {}
+        for locator in self.locators:
+            d = locator.get_project(name)
+            if d:
+                if self.merge:
+                    files = result.get('urls', {})
+                    digests = result.get('digests', {})
+                    # next line could overwrite result['urls'], result['digests']
+                    result.update(d)
+                    df = result.get('urls')
+                    if files and df:
+                        for k, v in files.items():
+                            if k in df:
+                                df[k] |= v
+                            else:
+                                df[k] = v
+                    dd = result.get('digests')
+                    if digests and dd:
+                        dd.update(digests)
+                else:
+                    # See issue #18. If any dists are found and we're looking
+                    # for specific constraints, we only return something if
+                    # a match is found. For example, if a DirectoryLocator
+                    # returns just foo (1.0) while we're looking for
+                    # foo (>= 2.0), we'll pretend there was nothing there so
+                    # that subsequent locators can be queried. Otherwise we
+                    # would just return foo (1.0) which would then lead to a
+                    # failure to find foo (>= 2.0), because other locators
+                    # weren't searched. Note that this only matters when
+                    # merge=False.
+                    if self.matcher is None:
+                        found = True
+                    else:
+                        found = False
+                        for k in d:
+                            if self.matcher.match(k):
+                                found = True
+                                break
+                    if found:
+                        result = d
+                        break
+        return result
+
+    def get_distribution_names(self):
+        """
+        Return all the distribution names known to this locator.
+        """
+        result = set()
+        for locator in self.locators:
+            try:
+                result |= locator.get_distribution_names()
+            except NotImplementedError:
+                pass
+        return result
+
+
+# We use a legacy scheme simply because most of the dists on PyPI use legacy
+# versions which don't conform to PEP 440.
+default_locator = AggregatingLocator(
+                    # JSONLocator(), # don't use as PEP 426 is withdrawn
+                    SimpleScrapingLocator('https://pypi.org/simple/',
+                                          timeout=3.0),
+                    scheme='legacy')
+
+locate = default_locator.locate
+
+
+class DependencyFinder(object):
+    """
+    Locate dependencies for distributions.
+    """
+
+    def __init__(self, locator=None):
+        """
+        Initialise an instance, using the specified locator
+        to locate distributions.
+        """
+        self.locator = locator or default_locator
+        self.scheme = get_scheme(self.locator.scheme)
+
+    def add_distribution(self, dist):
+        """
+        Add a distribution to the finder. This will update internal information
+        about who provides what.
+        :param dist: The distribution to add.
+        """
+        logger.debug('adding distribution %s', dist)
+        name = dist.key
+        self.dists_by_name[name] = dist
+        self.dists[(name, dist.version)] = dist
+        for p in dist.provides:
+            name, version = parse_name_and_version(p)
+            logger.debug('Add to provided: %s, %s, %s', name, version, dist)
+            self.provided.setdefault(name, set()).add((version, dist))
+
+    def remove_distribution(self, dist):
+        """
+        Remove a distribution from the finder. This will update internal
+        information about who provides what.
+        :param dist: The distribution to remove.
+        """
+        logger.debug('removing distribution %s', dist)
+        name = dist.key
+        del self.dists_by_name[name]
+        del self.dists[(name, dist.version)]
+        for p in dist.provides:
+            name, version = parse_name_and_version(p)
+            logger.debug('Remove from provided: %s, %s, %s', name, version, dist)
+            s = self.provided[name]
+            s.remove((version, dist))
+            if not s:
+                del self.provided[name]
+
+    def get_matcher(self, reqt):
+        """
+        Get a version matcher for a requirement.
+        :param reqt: The requirement
+        :type reqt: str
+        :return: A version matcher (an instance of
+                 :class:`distlib.version.Matcher`).
+        """
+        try:
+            matcher = self.scheme.matcher(reqt)
+        except UnsupportedVersionError:  # pragma: no cover
+            # XXX compat-mode if cannot read the version
+            name = reqt.split()[0]
+            matcher = self.scheme.matcher(name)
+        return matcher
+
+    def find_providers(self, reqt):
+        """
+        Find the distributions which can fulfill a requirement.
+
+        :param reqt: The requirement.
+         :type reqt: str
+        :return: A set of distribution which can fulfill the requirement.
+        """
+        matcher = self.get_matcher(reqt)
+        name = matcher.key   # case-insensitive
+        result = set()
+        provided = self.provided
+        if name in provided:
+            for version, provider in provided[name]:
+                try:
+                    match = matcher.match(version)
+                except UnsupportedVersionError:
+                    match = False
+
+                if match:
+                    result.add(provider)
+                    break
+        return result
+
+    def try_to_replace(self, provider, other, problems):
+        """
+        Attempt to replace one provider with another. This is typically used
+        when resolving dependencies from multiple sources, e.g. A requires
+        (B >= 1.0) while C requires (B >= 1.1).
+
+        For successful replacement, ``provider`` must meet all the requirements
+        which ``other`` fulfills.
+
+        :param provider: The provider we are trying to replace with.
+        :param other: The provider we're trying to replace.
+        :param problems: If False is returned, this will contain what
+                         problems prevented replacement. This is currently
+                         a tuple of the literal string 'cantreplace',
+                         ``provider``, ``other``  and the set of requirements
+                         that ``provider`` couldn't fulfill.
+        :return: True if we can replace ``other`` with ``provider``, else
+                 False.
+        """
+        rlist = self.reqts[other]
+        unmatched = set()
+        for s in rlist:
+            matcher = self.get_matcher(s)
+            if not matcher.match(provider.version):
+                unmatched.add(s)
+        if unmatched:
+            # can't replace other with provider
+            problems.add(('cantreplace', provider, other,
+                          frozenset(unmatched)))
+            result = False
+        else:
+            # can replace other with provider
+            self.remove_distribution(other)
+            del self.reqts[other]
+            for s in rlist:
+                self.reqts.setdefault(provider, set()).add(s)
+            self.add_distribution(provider)
+            result = True
+        return result
+
+    def find(self, requirement, meta_extras=None, prereleases=False):
+        """
+        Find a distribution and all distributions it depends on.
+
+        :param requirement: The requirement specifying the distribution to
+                            find, or a Distribution instance.
+        :param meta_extras: A list of meta extras such as :test:, :build: and
+                            so on.
+        :param prereleases: If ``True``, allow pre-release versions to be
+                            returned - otherwise, don't return prereleases
+                            unless they're all that's available.
+
+        Return a set of :class:`Distribution` instances and a set of
+        problems.
+
+        The distributions returned should be such that they have the
+        :attr:`required` attribute set to ``True`` if they were
+        from the ``requirement`` passed to ``find()``, and they have the
+        :attr:`build_time_dependency` attribute set to ``True`` unless they
+        are post-installation dependencies of the ``requirement``.
+
+        The problems should be a tuple consisting of the string
+        ``'unsatisfied'`` and the requirement which couldn't be satisfied
+        by any distribution known to the locator.
+        """
+
+        self.provided = {}
+        self.dists = {}
+        self.dists_by_name = {}
+        self.reqts = {}
+
+        meta_extras = set(meta_extras or [])
+        if ':*:' in meta_extras:
+            meta_extras.remove(':*:')
+            # :meta: and :run: are implicitly included
+            meta_extras |= set([':test:', ':build:', ':dev:'])
+
+        if isinstance(requirement, Distribution):
+            dist = odist = requirement
+            logger.debug('passed %s as requirement', odist)
+        else:
+            dist = odist = self.locator.locate(requirement,
+                                               prereleases=prereleases)
+            if dist is None:
+                raise DistlibException('Unable to locate %r' % requirement)
+            logger.debug('located %s', odist)
+        dist.requested = True
+        problems = set()
+        todo = set([dist])
+        install_dists = set([odist])
+        while todo:
+            dist = todo.pop()
+            name = dist.key     # case-insensitive
+            if name not in self.dists_by_name:
+                self.add_distribution(dist)
+            else:
+                # import pdb; pdb.set_trace()
+                other = self.dists_by_name[name]
+                if other != dist:
+                    self.try_to_replace(dist, other, problems)
+
+            ireqts = dist.run_requires | dist.meta_requires
+            sreqts = dist.build_requires
+            ereqts = set()
+            if meta_extras and dist in install_dists:
+                for key in ('test', 'build', 'dev'):
+                    e = ':%s:' % key
+                    if e in meta_extras:
+                        ereqts |= getattr(dist, '%s_requires' % key)
+            all_reqts = ireqts | sreqts | ereqts
+            for r in all_reqts:
+                providers = self.find_providers(r)
+                if not providers:
+                    logger.debug('No providers found for %r', r)
+                    provider = self.locator.locate(r, prereleases=prereleases)
+                    # If no provider is found and we didn't consider
+                    # prereleases, consider them now.
+                    if provider is None and not prereleases:
+                        provider = self.locator.locate(r, prereleases=True)
+                    if provider is None:
+                        logger.debug('Cannot satisfy %r', r)
+                        problems.add(('unsatisfied', r))
+                    else:
+                        n, v = provider.key, provider.version
+                        if (n, v) not in self.dists:
+                            todo.add(provider)
+                        providers.add(provider)
+                        if r in ireqts and dist in install_dists:
+                            install_dists.add(provider)
+                            logger.debug('Adding %s to install_dists',
+                                         provider.name_and_version)
+                for p in providers:
+                    name = p.key
+                    if name not in self.dists_by_name:
+                        self.reqts.setdefault(p, set()).add(r)
+                    else:
+                        other = self.dists_by_name[name]
+                        if other != p:
+                            # see if other can be replaced by p
+                            self.try_to_replace(p, other, problems)
+
+        dists = set(self.dists.values())
+        for dist in dists:
+            dist.build_time_dependency = dist not in install_dists
+            if dist.build_time_dependency:
+                logger.debug('%s is a build-time dependency only.',
+                             dist.name_and_version)
+        logger.debug('find done for %s', odist)
+        return dists, problems
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/manifest.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/manifest.py
new file mode 100644
index 00000000..420dcf12
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/manifest.py
@@ -0,0 +1,384 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2023 Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""
+Class representing the list of files in a distribution.
+
+Equivalent to distutils.filelist, but fixes some problems.
+"""
+import fnmatch
+import logging
+import os
+import re
+import sys
+
+from . import DistlibException
+from .compat import fsdecode
+from .util import convert_path
+
+
+__all__ = ['Manifest']
+
+logger = logging.getLogger(__name__)
+
+# a \ followed by some spaces + EOL
+_COLLAPSE_PATTERN = re.compile('\\\\w*\n', re.M)
+_COMMENTED_LINE = re.compile('#.*?(?=\n)|\n(?=$)', re.M | re.S)
+
+#
+# Due to the different results returned by fnmatch.translate, we need
+# to do slightly different processing for Python 2.7 and 3.2 ... this needed
+# to be brought in for Python 3.6 onwards.
+#
+_PYTHON_VERSION = sys.version_info[:2]
+
+
+class Manifest(object):
+    """
+    A list of files built by exploring the filesystem and filtered by applying various
+    patterns to what we find there.
+    """
+
+    def __init__(self, base=None):
+        """
+        Initialise an instance.
+
+        :param base: The base directory to explore under.
+        """
+        self.base = os.path.abspath(os.path.normpath(base or os.getcwd()))
+        self.prefix = self.base + os.sep
+        self.allfiles = None
+        self.files = set()
+
+    #
+    # Public API
+    #
+
+    def findall(self):
+        """Find all files under the base and set ``allfiles`` to the absolute
+        pathnames of files found.
+        """
+        from stat import S_ISREG, S_ISDIR, S_ISLNK
+
+        self.allfiles = allfiles = []
+        root = self.base
+        stack = [root]
+        pop = stack.pop
+        push = stack.append
+
+        while stack:
+            root = pop()
+            names = os.listdir(root)
+
+            for name in names:
+                fullname = os.path.join(root, name)
+
+                # Avoid excess stat calls -- just one will do, thank you!
+                stat = os.stat(fullname)
+                mode = stat.st_mode
+                if S_ISREG(mode):
+                    allfiles.append(fsdecode(fullname))
+                elif S_ISDIR(mode) and not S_ISLNK(mode):
+                    push(fullname)
+
+    def add(self, item):
+        """
+        Add a file to the manifest.
+
+        :param item: The pathname to add. This can be relative to the base.
+        """
+        if not item.startswith(self.prefix):
+            item = os.path.join(self.base, item)
+        self.files.add(os.path.normpath(item))
+
+    def add_many(self, items):
+        """
+        Add a list of files to the manifest.
+
+        :param items: The pathnames to add. These can be relative to the base.
+        """
+        for item in items:
+            self.add(item)
+
+    def sorted(self, wantdirs=False):
+        """
+        Return sorted files in directory order
+        """
+
+        def add_dir(dirs, d):
+            dirs.add(d)
+            logger.debug('add_dir added %s', d)
+            if d != self.base:
+                parent, _ = os.path.split(d)
+                assert parent not in ('', '/')
+                add_dir(dirs, parent)
+
+        result = set(self.files)    # make a copy!
+        if wantdirs:
+            dirs = set()
+            for f in result:
+                add_dir(dirs, os.path.dirname(f))
+            result |= dirs
+        return [os.path.join(*path_tuple) for path_tuple in
+                sorted(os.path.split(path) for path in result)]
+
+    def clear(self):
+        """Clear all collected files."""
+        self.files = set()
+        self.allfiles = []
+
+    def process_directive(self, directive):
+        """
+        Process a directive which either adds some files from ``allfiles`` to
+        ``files``, or removes some files from ``files``.
+
+        :param directive: The directive to process. This should be in a format
+                     compatible with distutils ``MANIFEST.in`` files:
+
+                     http://docs.python.org/distutils/sourcedist.html#commands
+        """
+        # Parse the line: split it up, make sure the right number of words
+        # is there, and return the relevant words.  'action' is always
+        # defined: it's the first word of the line.  Which of the other
+        # three are defined depends on the action; it'll be either
+        # patterns, (dir and patterns), or (dirpattern).
+        action, patterns, thedir, dirpattern = self._parse_directive(directive)
+
+        # OK, now we know that the action is valid and we have the
+        # right number of words on the line for that action -- so we
+        # can proceed with minimal error-checking.
+        if action == 'include':
+            for pattern in patterns:
+                if not self._include_pattern(pattern, anchor=True):
+                    logger.warning('no files found matching %r', pattern)
+
+        elif action == 'exclude':
+            for pattern in patterns:
+                self._exclude_pattern(pattern, anchor=True)
+
+        elif action == 'global-include':
+            for pattern in patterns:
+                if not self._include_pattern(pattern, anchor=False):
+                    logger.warning('no files found matching %r '
+                                   'anywhere in distribution', pattern)
+
+        elif action == 'global-exclude':
+            for pattern in patterns:
+                self._exclude_pattern(pattern, anchor=False)
+
+        elif action == 'recursive-include':
+            for pattern in patterns:
+                if not self._include_pattern(pattern, prefix=thedir):
+                    logger.warning('no files found matching %r '
+                                   'under directory %r', pattern, thedir)
+
+        elif action == 'recursive-exclude':
+            for pattern in patterns:
+                self._exclude_pattern(pattern, prefix=thedir)
+
+        elif action == 'graft':
+            if not self._include_pattern(None, prefix=dirpattern):
+                logger.warning('no directories found matching %r',
+                               dirpattern)
+
+        elif action == 'prune':
+            if not self._exclude_pattern(None, prefix=dirpattern):
+                logger.warning('no previously-included directories found '
+                               'matching %r', dirpattern)
+        else:   # pragma: no cover
+            # This should never happen, as it should be caught in
+            # _parse_template_line
+            raise DistlibException(
+                'invalid action %r' % action)
+
+    #
+    # Private API
+    #
+
+    def _parse_directive(self, directive):
+        """
+        Validate a directive.
+        :param directive: The directive to validate.
+        :return: A tuple of action, patterns, thedir, dir_patterns
+        """
+        words = directive.split()
+        if len(words) == 1 and words[0] not in ('include', 'exclude',
+                                                'global-include',
+                                                'global-exclude',
+                                                'recursive-include',
+                                                'recursive-exclude',
+                                                'graft', 'prune'):
+            # no action given, let's use the default 'include'
+            words.insert(0, 'include')
+
+        action = words[0]
+        patterns = thedir = dir_pattern = None
+
+        if action in ('include', 'exclude',
+                      'global-include', 'global-exclude'):
+            if len(words) < 2:
+                raise DistlibException(
+                    '%r expects <pattern1> <pattern2> ...' % action)
+
+            patterns = [convert_path(word) for word in words[1:]]
+
+        elif action in ('recursive-include', 'recursive-exclude'):
+            if len(words) < 3:
+                raise DistlibException(
+                    '%r expects <dir> <pattern1> <pattern2> ...' % action)
+
+            thedir = convert_path(words[1])
+            patterns = [convert_path(word) for word in words[2:]]
+
+        elif action in ('graft', 'prune'):
+            if len(words) != 2:
+                raise DistlibException(
+                    '%r expects a single <dir_pattern>' % action)
+
+            dir_pattern = convert_path(words[1])
+
+        else:
+            raise DistlibException('unknown action %r' % action)
+
+        return action, patterns, thedir, dir_pattern
+
+    def _include_pattern(self, pattern, anchor=True, prefix=None,
+                         is_regex=False):
+        """Select strings (presumably filenames) from 'self.files' that
+        match 'pattern', a Unix-style wildcard (glob) pattern.
+
+        Patterns are not quite the same as implemented by the 'fnmatch'
+        module: '*' and '?'  match non-special characters, where "special"
+        is platform-dependent: slash on Unix; colon, slash, and backslash on
+        DOS/Windows; and colon on Mac OS.
+
+        If 'anchor' is true (the default), then the pattern match is more
+        stringent: "*.py" will match "foo.py" but not "foo/bar.py".  If
+        'anchor' is false, both of these will match.
+
+        If 'prefix' is supplied, then only filenames starting with 'prefix'
+        (itself a pattern) and ending with 'pattern', with anything in between
+        them, will match.  'anchor' is ignored in this case.
+
+        If 'is_regex' is true, 'anchor' and 'prefix' are ignored, and
+        'pattern' is assumed to be either a string containing a regex or a
+        regex object -- no translation is done, the regex is just compiled
+        and used as-is.
+
+        Selected strings will be added to self.files.
+
+        Return True if files are found.
+        """
+        # XXX docstring lying about what the special chars are?
+        found = False
+        pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex)
+
+        # delayed loading of allfiles list
+        if self.allfiles is None:
+            self.findall()
+
+        for name in self.allfiles:
+            if pattern_re.search(name):
+                self.files.add(name)
+                found = True
+        return found
+
+    def _exclude_pattern(self, pattern, anchor=True, prefix=None,
+                         is_regex=False):
+        """Remove strings (presumably filenames) from 'files' that match
+        'pattern'.
+
+        Other parameters are the same as for 'include_pattern()', above.
+        The list 'self.files' is modified in place. Return True if files are
+        found.
+
+        This API is public to allow e.g. exclusion of SCM subdirs, e.g. when
+        packaging source distributions
+        """
+        found = False
+        pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex)
+        for f in list(self.files):
+            if pattern_re.search(f):
+                self.files.remove(f)
+                found = True
+        return found
+
+    def _translate_pattern(self, pattern, anchor=True, prefix=None,
+                           is_regex=False):
+        """Translate a shell-like wildcard pattern to a compiled regular
+        expression.
+
+        Return the compiled regex.  If 'is_regex' true,
+        then 'pattern' is directly compiled to a regex (if it's a string)
+        or just returned as-is (assumes it's a regex object).
+        """
+        if is_regex:
+            if isinstance(pattern, str):
+                return re.compile(pattern)
+            else:
+                return pattern
+
+        if _PYTHON_VERSION > (3, 2):
+            # ditch start and end characters
+            start, _, end = self._glob_to_re('_').partition('_')
+
+        if pattern:
+            pattern_re = self._glob_to_re(pattern)
+            if _PYTHON_VERSION > (3, 2):
+                assert pattern_re.startswith(start) and pattern_re.endswith(end)
+        else:
+            pattern_re = ''
+
+        base = re.escape(os.path.join(self.base, ''))
+        if prefix is not None:
+            # ditch end of pattern character
+            if _PYTHON_VERSION <= (3, 2):
+                empty_pattern = self._glob_to_re('')
+                prefix_re = self._glob_to_re(prefix)[:-len(empty_pattern)]
+            else:
+                prefix_re = self._glob_to_re(prefix)
+                assert prefix_re.startswith(start) and prefix_re.endswith(end)
+                prefix_re = prefix_re[len(start): len(prefix_re) - len(end)]
+            sep = os.sep
+            if os.sep == '\\':
+                sep = r'\\'
+            if _PYTHON_VERSION <= (3, 2):
+                pattern_re = '^' + base + sep.join((prefix_re,
+                                                    '.*' + pattern_re))
+            else:
+                pattern_re = pattern_re[len(start): len(pattern_re) - len(end)]
+                pattern_re = r'%s%s%s%s.*%s%s' % (start, base, prefix_re, sep,
+                                                  pattern_re, end)
+        else:  # no prefix -- respect anchor flag
+            if anchor:
+                if _PYTHON_VERSION <= (3, 2):
+                    pattern_re = '^' + base + pattern_re
+                else:
+                    pattern_re = r'%s%s%s' % (start, base, pattern_re[len(start):])
+
+        return re.compile(pattern_re)
+
+    def _glob_to_re(self, pattern):
+        """Translate a shell-like glob pattern to a regular expression.
+
+        Return a string containing the regex.  Differs from
+        'fnmatch.translate()' in that '*' does not match "special characters"
+        (which are platform-specific).
+        """
+        pattern_re = fnmatch.translate(pattern)
+
+        # '?' and '*' in the glob pattern become '.' and '.*' in the RE, which
+        # IMHO is wrong -- '?' and '*' aren't supposed to match slash in Unix,
+        # and by extension they shouldn't match such "special characters" under
+        # any OS.  So change all non-escaped dots in the RE to match any
+        # character except the special characters (currently: just os.sep).
+        sep = os.sep
+        if os.sep == '\\':
+            # we're using a regex to manipulate a regex, so we need
+            # to escape the backslash twice
+            sep = r'\\\\'
+        escaped = r'\1[^%s]' % sep
+        pattern_re = re.sub(r'((?<!\\)(\\\\)*)\.', escaped, pattern_re)
+        return pattern_re
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/markers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/markers.py
new file mode 100644
index 00000000..1514d460
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/markers.py
@@ -0,0 +1,167 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2023 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""
+Parser for the environment markers micro-language defined in PEP 508.
+"""
+
+# Note: In PEP 345, the micro-language was Python compatible, so the ast
+# module could be used to parse it. However, PEP 508 introduced operators such
+# as ~= and === which aren't in Python, necessitating a different approach.
+
+import os
+import re
+import sys
+import platform
+
+from .compat import string_types
+from .util import in_venv, parse_marker
+from .version import LegacyVersion as LV
+
+__all__ = ['interpret']
+
+_VERSION_PATTERN = re.compile(
+    r'((\d+(\.\d+)*\w*)|\'(\d+(\.\d+)*\w*)\'|\"(\d+(\.\d+)*\w*)\")')
+_VERSION_MARKERS = {'python_version', 'python_full_version'}
+
+
+def _is_version_marker(s):
+    return isinstance(s, string_types) and s in _VERSION_MARKERS
+
+
+def _is_literal(o):
+    if not isinstance(o, string_types) or not o:
+        return False
+    return o[0] in '\'"'
+
+
+def _get_versions(s):
+    return {LV(m.groups()[0]) for m in _VERSION_PATTERN.finditer(s)}
+
+
+class Evaluator(object):
+    """
+    This class is used to evaluate marker expressions.
+    """
+
+    operations = {
+        '==': lambda x, y: x == y,
+        '===': lambda x, y: x == y,
+        '~=': lambda x, y: x == y or x > y,
+        '!=': lambda x, y: x != y,
+        '<': lambda x, y: x < y,
+        '<=': lambda x, y: x == y or x < y,
+        '>': lambda x, y: x > y,
+        '>=': lambda x, y: x == y or x > y,
+        'and': lambda x, y: x and y,
+        'or': lambda x, y: x or y,
+        'in': lambda x, y: x in y,
+        'not in': lambda x, y: x not in y,
+    }
+
+    def evaluate(self, expr, context):
+        """
+        Evaluate a marker expression returned by the :func:`parse_requirement`
+        function in the specified context.
+        """
+        if isinstance(expr, string_types):
+            if expr[0] in '\'"':
+                result = expr[1:-1]
+            else:
+                if expr not in context:
+                    raise SyntaxError('unknown variable: %s' % expr)
+                result = context[expr]
+        else:
+            assert isinstance(expr, dict)
+            op = expr['op']
+            if op not in self.operations:
+                raise NotImplementedError('op not implemented: %s' % op)
+            elhs = expr['lhs']
+            erhs = expr['rhs']
+            if _is_literal(expr['lhs']) and _is_literal(expr['rhs']):
+                raise SyntaxError('invalid comparison: %s %s %s' %
+                                  (elhs, op, erhs))
+
+            lhs = self.evaluate(elhs, context)
+            rhs = self.evaluate(erhs, context)
+            if ((_is_version_marker(elhs) or _is_version_marker(erhs))
+                    and op in ('<', '<=', '>', '>=', '===', '==', '!=', '~=')):
+                lhs = LV(lhs)
+                rhs = LV(rhs)
+            elif _is_version_marker(elhs) and op in ('in', 'not in'):
+                lhs = LV(lhs)
+                rhs = _get_versions(rhs)
+            result = self.operations[op](lhs, rhs)
+        return result
+
+
+_DIGITS = re.compile(r'\d+\.\d+')
+
+
+def default_context():
+
+    def format_full_version(info):
+        version = '%s.%s.%s' % (info.major, info.minor, info.micro)
+        kind = info.releaselevel
+        if kind != 'final':
+            version += kind[0] + str(info.serial)
+        return version
+
+    if hasattr(sys, 'implementation'):
+        implementation_version = format_full_version(
+            sys.implementation.version)
+        implementation_name = sys.implementation.name
+    else:
+        implementation_version = '0'
+        implementation_name = ''
+
+    ppv = platform.python_version()
+    m = _DIGITS.match(ppv)
+    pv = m.group(0)
+    result = {
+        'implementation_name': implementation_name,
+        'implementation_version': implementation_version,
+        'os_name': os.name,
+        'platform_machine': platform.machine(),
+        'platform_python_implementation': platform.python_implementation(),
+        'platform_release': platform.release(),
+        'platform_system': platform.system(),
+        'platform_version': platform.version(),
+        'platform_in_venv': str(in_venv()),
+        'python_full_version': ppv,
+        'python_version': pv,
+        'sys_platform': sys.platform,
+    }
+    return result
+
+
+DEFAULT_CONTEXT = default_context()
+del default_context
+
+evaluator = Evaluator()
+
+
+def interpret(marker, execution_context=None):
+    """
+    Interpret a marker and return a result depending on environment.
+
+    :param marker: The marker to interpret.
+    :type marker: str
+    :param execution_context: The context used for name lookup.
+    :type execution_context: mapping
+    """
+    try:
+        expr, rest = parse_marker(marker)
+    except Exception as e:
+        raise SyntaxError('Unable to interpret marker syntax: %s: %s' %
+                          (marker, e))
+    if rest and rest[0] != '#':
+        raise SyntaxError('unexpected trailing data in marker: %s: %s' %
+                          (marker, rest))
+    context = dict(DEFAULT_CONTEXT)
+    if execution_context:
+        context.update(execution_context)
+    return evaluator.evaluate(expr, context)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/metadata.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/metadata.py
new file mode 100644
index 00000000..7189aeef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/metadata.py
@@ -0,0 +1,1068 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""Implementation of the Metadata for Python packages PEPs.
+
+Supports all metadata formats (1.0, 1.1, 1.2, 1.3/2.1 and 2.2).
+"""
+from __future__ import unicode_literals
+
+import codecs
+from email import message_from_file
+import json
+import logging
+import re
+
+
+from . import DistlibException, __version__
+from .compat import StringIO, string_types, text_type
+from .markers import interpret
+from .util import extract_by_key, get_extras
+from .version import get_scheme, PEP440_VERSION_RE
+
+logger = logging.getLogger(__name__)
+
+
+class MetadataMissingError(DistlibException):
+    """A required metadata is missing"""
+
+
+class MetadataConflictError(DistlibException):
+    """Attempt to read or write metadata fields that are conflictual."""
+
+
+class MetadataUnrecognizedVersionError(DistlibException):
+    """Unknown metadata version number."""
+
+
+class MetadataInvalidError(DistlibException):
+    """A metadata value is invalid"""
+
+# public API of this module
+__all__ = ['Metadata', 'PKG_INFO_ENCODING', 'PKG_INFO_PREFERRED_VERSION']
+
+# Encoding used for the PKG-INFO files
+PKG_INFO_ENCODING = 'utf-8'
+
+# preferred version. Hopefully will be changed
+# to 1.2 once PEP 345 is supported everywhere
+PKG_INFO_PREFERRED_VERSION = '1.1'
+
+_LINE_PREFIX_1_2 = re.compile('\n       \\|')
+_LINE_PREFIX_PRE_1_2 = re.compile('\n        ')
+_241_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+               'Summary', 'Description',
+               'Keywords', 'Home-page', 'Author', 'Author-email',
+               'License')
+
+_314_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+               'Supported-Platform', 'Summary', 'Description',
+               'Keywords', 'Home-page', 'Author', 'Author-email',
+               'License', 'Classifier', 'Download-URL', 'Obsoletes',
+               'Provides', 'Requires')
+
+_314_MARKERS = ('Obsoletes', 'Provides', 'Requires', 'Classifier',
+                'Download-URL')
+
+_345_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+               'Supported-Platform', 'Summary', 'Description',
+               'Keywords', 'Home-page', 'Author', 'Author-email',
+               'Maintainer', 'Maintainer-email', 'License',
+               'Classifier', 'Download-URL', 'Obsoletes-Dist',
+               'Project-URL', 'Provides-Dist', 'Requires-Dist',
+               'Requires-Python', 'Requires-External')
+
+_345_MARKERS = ('Provides-Dist', 'Requires-Dist', 'Requires-Python',
+                'Obsoletes-Dist', 'Requires-External', 'Maintainer',
+                'Maintainer-email', 'Project-URL')
+
+_426_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+               'Supported-Platform', 'Summary', 'Description',
+               'Keywords', 'Home-page', 'Author', 'Author-email',
+               'Maintainer', 'Maintainer-email', 'License',
+               'Classifier', 'Download-URL', 'Obsoletes-Dist',
+               'Project-URL', 'Provides-Dist', 'Requires-Dist',
+               'Requires-Python', 'Requires-External', 'Private-Version',
+               'Obsoleted-By', 'Setup-Requires-Dist', 'Extension',
+               'Provides-Extra')
+
+_426_MARKERS = ('Private-Version', 'Provides-Extra', 'Obsoleted-By',
+                'Setup-Requires-Dist', 'Extension')
+
+# See issue #106: Sometimes 'Requires' and 'Provides' occur wrongly in
+# the metadata. Include them in the tuple literal below to allow them
+# (for now).
+# Ditto for Obsoletes - see issue #140.
+_566_FIELDS = _426_FIELDS + ('Description-Content-Type',
+                             'Requires', 'Provides', 'Obsoletes')
+
+_566_MARKERS = ('Description-Content-Type',)
+
+_643_MARKERS = ('Dynamic', 'License-File')
+
+_643_FIELDS = _566_FIELDS + _643_MARKERS
+
+_ALL_FIELDS = set()
+_ALL_FIELDS.update(_241_FIELDS)
+_ALL_FIELDS.update(_314_FIELDS)
+_ALL_FIELDS.update(_345_FIELDS)
+_ALL_FIELDS.update(_426_FIELDS)
+_ALL_FIELDS.update(_566_FIELDS)
+_ALL_FIELDS.update(_643_FIELDS)
+
+EXTRA_RE = re.compile(r'''extra\s*==\s*("([^"]+)"|'([^']+)')''')
+
+
+def _version2fieldlist(version):
+    if version == '1.0':
+        return _241_FIELDS
+    elif version == '1.1':
+        return _314_FIELDS
+    elif version == '1.2':
+        return _345_FIELDS
+    elif version in ('1.3', '2.1'):
+        # avoid adding field names if already there
+        return _345_FIELDS + tuple(f for f in _566_FIELDS if f not in _345_FIELDS)
+    elif version == '2.0':
+        raise ValueError('Metadata 2.0 is withdrawn and not supported')
+        # return _426_FIELDS
+    elif version == '2.2':
+        return _643_FIELDS
+    raise MetadataUnrecognizedVersionError(version)
+
+
+def _best_version(fields):
+    """Detect the best version depending on the fields used."""
+    def _has_marker(keys, markers):
+        return any(marker in keys for marker in markers)
+
+    keys = [key for key, value in fields.items() if value not in ([], 'UNKNOWN', None)]
+    possible_versions = ['1.0', '1.1', '1.2', '1.3', '2.1', '2.2']  # 2.0 removed
+
+    # first let's try to see if a field is not part of one of the version
+    for key in keys:
+        if key not in _241_FIELDS and '1.0' in possible_versions:
+            possible_versions.remove('1.0')
+            logger.debug('Removed 1.0 due to %s', key)
+        if key not in _314_FIELDS and '1.1' in possible_versions:
+            possible_versions.remove('1.1')
+            logger.debug('Removed 1.1 due to %s', key)
+        if key not in _345_FIELDS and '1.2' in possible_versions:
+            possible_versions.remove('1.2')
+            logger.debug('Removed 1.2 due to %s', key)
+        if key not in _566_FIELDS and '1.3' in possible_versions:
+            possible_versions.remove('1.3')
+            logger.debug('Removed 1.3 due to %s', key)
+        if key not in _566_FIELDS and '2.1' in possible_versions:
+            if key != 'Description':  # In 2.1, description allowed after headers
+                possible_versions.remove('2.1')
+                logger.debug('Removed 2.1 due to %s', key)
+        if key not in _643_FIELDS and '2.2' in possible_versions:
+            possible_versions.remove('2.2')
+            logger.debug('Removed 2.2 due to %s', key)
+        # if key not in _426_FIELDS and '2.0' in possible_versions:
+            # possible_versions.remove('2.0')
+            # logger.debug('Removed 2.0 due to %s', key)
+
+    # possible_version contains qualified versions
+    if len(possible_versions) == 1:
+        return possible_versions[0]   # found !
+    elif len(possible_versions) == 0:
+        logger.debug('Out of options - unknown metadata set: %s', fields)
+        raise MetadataConflictError('Unknown metadata set')
+
+    # let's see if one unique marker is found
+    is_1_1 = '1.1' in possible_versions and _has_marker(keys, _314_MARKERS)
+    is_1_2 = '1.2' in possible_versions and _has_marker(keys, _345_MARKERS)
+    is_2_1 = '2.1' in possible_versions and _has_marker(keys, _566_MARKERS)
+    # is_2_0 = '2.0' in possible_versions and _has_marker(keys, _426_MARKERS)
+    is_2_2 = '2.2' in possible_versions and _has_marker(keys, _643_MARKERS)
+    if int(is_1_1) + int(is_1_2) + int(is_2_1) + int(is_2_2) > 1:
+        raise MetadataConflictError('You used incompatible 1.1/1.2/2.1/2.2 fields')
+
+    # we have the choice, 1.0, or 1.2, 2.1 or 2.2
+    #   - 1.0 has a broken Summary field but works with all tools
+    #   - 1.1 is to avoid
+    #   - 1.2 fixes Summary but has little adoption
+    #   - 2.1 adds more features
+    #   - 2.2 is the latest
+    if not is_1_1 and not is_1_2 and not is_2_1 and not is_2_2:
+        # we couldn't find any specific marker
+        if PKG_INFO_PREFERRED_VERSION in possible_versions:
+            return PKG_INFO_PREFERRED_VERSION
+    if is_1_1:
+        return '1.1'
+    if is_1_2:
+        return '1.2'
+    if is_2_1:
+        return '2.1'
+    # if is_2_2:
+        # return '2.2'
+
+    return '2.2'
+
+# This follows the rules about transforming keys as described in
+# https://www.python.org/dev/peps/pep-0566/#id17
+_ATTR2FIELD = {
+    name.lower().replace("-", "_"): name for name in _ALL_FIELDS
+}
+_FIELD2ATTR = {field: attr for attr, field in _ATTR2FIELD.items()}
+
+_PREDICATE_FIELDS = ('Requires-Dist', 'Obsoletes-Dist', 'Provides-Dist')
+_VERSIONS_FIELDS = ('Requires-Python',)
+_VERSION_FIELDS = ('Version',)
+_LISTFIELDS = ('Platform', 'Classifier', 'Obsoletes',
+               'Requires', 'Provides', 'Obsoletes-Dist',
+               'Provides-Dist', 'Requires-Dist', 'Requires-External',
+               'Project-URL', 'Supported-Platform', 'Setup-Requires-Dist',
+               'Provides-Extra', 'Extension', 'License-File')
+_LISTTUPLEFIELDS = ('Project-URL',)
+
+_ELEMENTSFIELD = ('Keywords',)
+
+_UNICODEFIELDS = ('Author', 'Maintainer', 'Summary', 'Description')
+
+_MISSING = object()
+
+_FILESAFE = re.compile('[^A-Za-z0-9.]+')
+
+
+def _get_name_and_version(name, version, for_filename=False):
+    """Return the distribution name with version.
+
+    If for_filename is true, return a filename-escaped form."""
+    if for_filename:
+        # For both name and version any runs of non-alphanumeric or '.'
+        # characters are replaced with a single '-'.  Additionally any
+        # spaces in the version string become '.'
+        name = _FILESAFE.sub('-', name)
+        version = _FILESAFE.sub('-', version.replace(' ', '.'))
+    return '%s-%s' % (name, version)
+
+
+class LegacyMetadata(object):
+    """The legacy metadata of a release.
+
+    Supports versions 1.0, 1.1, 1.2, 2.0 and 1.3/2.1 (auto-detected). You can
+    instantiate the class with one of these arguments (or none):
+    - *path*, the path to a metadata file
+    - *fileobj* give a file-like object with metadata as content
+    - *mapping* is a dict-like object
+    - *scheme* is a version scheme name
+    """
+    # TODO document the mapping API and UNKNOWN default key
+
+    def __init__(self, path=None, fileobj=None, mapping=None,
+                 scheme='default'):
+        if [path, fileobj, mapping].count(None) < 2:
+            raise TypeError('path, fileobj and mapping are exclusive')
+        self._fields = {}
+        self.requires_files = []
+        self._dependencies = None
+        self.scheme = scheme
+        if path is not None:
+            self.read(path)
+        elif fileobj is not None:
+            self.read_file(fileobj)
+        elif mapping is not None:
+            self.update(mapping)
+            self.set_metadata_version()
+
+    def set_metadata_version(self):
+        self._fields['Metadata-Version'] = _best_version(self._fields)
+
+    def _write_field(self, fileobj, name, value):
+        fileobj.write('%s: %s\n' % (name, value))
+
+    def __getitem__(self, name):
+        return self.get(name)
+
+    def __setitem__(self, name, value):
+        return self.set(name, value)
+
+    def __delitem__(self, name):
+        field_name = self._convert_name(name)
+        try:
+            del self._fields[field_name]
+        except KeyError:
+            raise KeyError(name)
+
+    def __contains__(self, name):
+        return (name in self._fields or
+                self._convert_name(name) in self._fields)
+
+    def _convert_name(self, name):
+        if name in _ALL_FIELDS:
+            return name
+        name = name.replace('-', '_').lower()
+        return _ATTR2FIELD.get(name, name)
+
+    def _default_value(self, name):
+        if name in _LISTFIELDS or name in _ELEMENTSFIELD:
+            return []
+        return 'UNKNOWN'
+
+    def _remove_line_prefix(self, value):
+        if self.metadata_version in ('1.0', '1.1'):
+            return _LINE_PREFIX_PRE_1_2.sub('\n', value)
+        else:
+            return _LINE_PREFIX_1_2.sub('\n', value)
+
+    def __getattr__(self, name):
+        if name in _ATTR2FIELD:
+            return self[name]
+        raise AttributeError(name)
+
+    #
+    # Public API
+    #
+
+#    dependencies = property(_get_dependencies, _set_dependencies)
+
+    def get_fullname(self, filesafe=False):
+        """Return the distribution name with version.
+
+        If filesafe is true, return a filename-escaped form."""
+        return _get_name_and_version(self['Name'], self['Version'], filesafe)
+
+    def is_field(self, name):
+        """return True if name is a valid metadata key"""
+        name = self._convert_name(name)
+        return name in _ALL_FIELDS
+
+    def is_multi_field(self, name):
+        name = self._convert_name(name)
+        return name in _LISTFIELDS
+
+    def read(self, filepath):
+        """Read the metadata values from a file path."""
+        fp = codecs.open(filepath, 'r', encoding='utf-8')
+        try:
+            self.read_file(fp)
+        finally:
+            fp.close()
+
+    def read_file(self, fileob):
+        """Read the metadata values from a file object."""
+        msg = message_from_file(fileob)
+        self._fields['Metadata-Version'] = msg['metadata-version']
+
+        # When reading, get all the fields we can
+        for field in _ALL_FIELDS:
+            if field not in msg:
+                continue
+            if field in _LISTFIELDS:
+                # we can have multiple lines
+                values = msg.get_all(field)
+                if field in _LISTTUPLEFIELDS and values is not None:
+                    values = [tuple(value.split(',')) for value in values]
+                self.set(field, values)
+            else:
+                # single line
+                value = msg[field]
+                if value is not None and value != 'UNKNOWN':
+                    self.set(field, value)
+
+        # PEP 566 specifies that the body be used for the description, if
+        # available
+        body = msg.get_payload()
+        self["Description"] = body if body else self["Description"]
+        # logger.debug('Attempting to set metadata for %s', self)
+        # self.set_metadata_version()
+
+    def write(self, filepath, skip_unknown=False):
+        """Write the metadata fields to filepath."""
+        fp = codecs.open(filepath, 'w', encoding='utf-8')
+        try:
+            self.write_file(fp, skip_unknown)
+        finally:
+            fp.close()
+
+    def write_file(self, fileobject, skip_unknown=False):
+        """Write the PKG-INFO format data to a file object."""
+        self.set_metadata_version()
+
+        for field in _version2fieldlist(self['Metadata-Version']):
+            values = self.get(field)
+            if skip_unknown and values in ('UNKNOWN', [], ['UNKNOWN']):
+                continue
+            if field in _ELEMENTSFIELD:
+                self._write_field(fileobject, field, ','.join(values))
+                continue
+            if field not in _LISTFIELDS:
+                if field == 'Description':
+                    if self.metadata_version in ('1.0', '1.1'):
+                        values = values.replace('\n', '\n        ')
+                    else:
+                        values = values.replace('\n', '\n       |')
+                values = [values]
+
+            if field in _LISTTUPLEFIELDS:
+                values = [','.join(value) for value in values]
+
+            for value in values:
+                self._write_field(fileobject, field, value)
+
+    def update(self, other=None, **kwargs):
+        """Set metadata values from the given iterable `other` and kwargs.
+
+        Behavior is like `dict.update`: If `other` has a ``keys`` method,
+        they are looped over and ``self[key]`` is assigned ``other[key]``.
+        Else, ``other`` is an iterable of ``(key, value)`` iterables.
+
+        Keys that don't match a metadata field or that have an empty value are
+        dropped.
+        """
+        def _set(key, value):
+            if key in _ATTR2FIELD and value:
+                self.set(self._convert_name(key), value)
+
+        if not other:
+            # other is None or empty container
+            pass
+        elif hasattr(other, 'keys'):
+            for k in other.keys():
+                _set(k, other[k])
+        else:
+            for k, v in other:
+                _set(k, v)
+
+        if kwargs:
+            for k, v in kwargs.items():
+                _set(k, v)
+
+    def set(self, name, value):
+        """Control then set a metadata field."""
+        name = self._convert_name(name)
+
+        if ((name in _ELEMENTSFIELD or name == 'Platform') and
+            not isinstance(value, (list, tuple))):
+            if isinstance(value, string_types):
+                value = [v.strip() for v in value.split(',')]
+            else:
+                value = []
+        elif (name in _LISTFIELDS and
+              not isinstance(value, (list, tuple))):
+            if isinstance(value, string_types):
+                value = [value]
+            else:
+                value = []
+
+        if logger.isEnabledFor(logging.WARNING):
+            project_name = self['Name']
+
+            scheme = get_scheme(self.scheme)
+            if name in _PREDICATE_FIELDS and value is not None:
+                for v in value:
+                    # check that the values are valid
+                    if not scheme.is_valid_matcher(v.split(';')[0]):
+                        logger.warning(
+                            "'%s': '%s' is not valid (field '%s')",
+                            project_name, v, name)
+            # FIXME this rejects UNKNOWN, is that right?
+            elif name in _VERSIONS_FIELDS and value is not None:
+                if not scheme.is_valid_constraint_list(value):
+                    logger.warning("'%s': '%s' is not a valid version (field '%s')",
+                                   project_name, value, name)
+            elif name in _VERSION_FIELDS and value is not None:
+                if not scheme.is_valid_version(value):
+                    logger.warning("'%s': '%s' is not a valid version (field '%s')",
+                                   project_name, value, name)
+
+        if name in _UNICODEFIELDS:
+            if name == 'Description':
+                value = self._remove_line_prefix(value)
+
+        self._fields[name] = value
+
+    def get(self, name, default=_MISSING):
+        """Get a metadata field."""
+        name = self._convert_name(name)
+        if name not in self._fields:
+            if default is _MISSING:
+                default = self._default_value(name)
+            return default
+        if name in _UNICODEFIELDS:
+            value = self._fields[name]
+            return value
+        elif name in _LISTFIELDS:
+            value = self._fields[name]
+            if value is None:
+                return []
+            res = []
+            for val in value:
+                if name not in _LISTTUPLEFIELDS:
+                    res.append(val)
+                else:
+                    # That's for Project-URL
+                    res.append((val[0], val[1]))
+            return res
+
+        elif name in _ELEMENTSFIELD:
+            value = self._fields[name]
+            if isinstance(value, string_types):
+                return value.split(',')
+        return self._fields[name]
+
+    def check(self, strict=False):
+        """Check if the metadata is compliant. If strict is True then raise if
+        no Name or Version are provided"""
+        self.set_metadata_version()
+
+        # XXX should check the versions (if the file was loaded)
+        missing, warnings = [], []
+
+        for attr in ('Name', 'Version'):  # required by PEP 345
+            if attr not in self:
+                missing.append(attr)
+
+        if strict and missing != []:
+            msg = 'missing required metadata: %s' % ', '.join(missing)
+            raise MetadataMissingError(msg)
+
+        for attr in ('Home-page', 'Author'):
+            if attr not in self:
+                missing.append(attr)
+
+        # checking metadata 1.2 (XXX needs to check 1.1, 1.0)
+        if self['Metadata-Version'] != '1.2':
+            return missing, warnings
+
+        scheme = get_scheme(self.scheme)
+
+        def are_valid_constraints(value):
+            for v in value:
+                if not scheme.is_valid_matcher(v.split(';')[0]):
+                    return False
+            return True
+
+        for fields, controller in ((_PREDICATE_FIELDS, are_valid_constraints),
+                                   (_VERSIONS_FIELDS,
+                                    scheme.is_valid_constraint_list),
+                                   (_VERSION_FIELDS,
+                                    scheme.is_valid_version)):
+            for field in fields:
+                value = self.get(field, None)
+                if value is not None and not controller(value):
+                    warnings.append("Wrong value for '%s': %s" % (field, value))
+
+        return missing, warnings
+
+    def todict(self, skip_missing=False):
+        """Return fields as a dict.
+
+        Field names will be converted to use the underscore-lowercase style
+        instead of hyphen-mixed case (i.e. home_page instead of Home-page).
+        This is as per https://www.python.org/dev/peps/pep-0566/#id17.
+        """
+        self.set_metadata_version()
+
+        fields = _version2fieldlist(self['Metadata-Version'])
+
+        data = {}
+
+        for field_name in fields:
+            if not skip_missing or field_name in self._fields:
+                key = _FIELD2ATTR[field_name]
+                if key != 'project_url':
+                    data[key] = self[field_name]
+                else:
+                    data[key] = [','.join(u) for u in self[field_name]]
+
+        return data
+
+    def add_requirements(self, requirements):
+        if self['Metadata-Version'] == '1.1':
+            # we can't have 1.1 metadata *and* Setuptools requires
+            for field in ('Obsoletes', 'Requires', 'Provides'):
+                if field in self:
+                    del self[field]
+        self['Requires-Dist'] += requirements
+
+    # Mapping API
+    # TODO could add iter* variants
+
+    def keys(self):
+        return list(_version2fieldlist(self['Metadata-Version']))
+
+    def __iter__(self):
+        for key in self.keys():
+            yield key
+
+    def values(self):
+        return [self[key] for key in self.keys()]
+
+    def items(self):
+        return [(key, self[key]) for key in self.keys()]
+
+    def __repr__(self):
+        return '<%s %s %s>' % (self.__class__.__name__, self.name,
+                               self.version)
+
+
+METADATA_FILENAME = 'pydist.json'
+WHEEL_METADATA_FILENAME = 'metadata.json'
+LEGACY_METADATA_FILENAME = 'METADATA'
+
+
+class Metadata(object):
+    """
+    The metadata of a release. This implementation uses 2.1
+    metadata where possible. If not possible, it wraps a LegacyMetadata
+    instance which handles the key-value metadata format.
+    """
+
+    METADATA_VERSION_MATCHER = re.compile(r'^\d+(\.\d+)*$')
+
+    NAME_MATCHER = re.compile('^[0-9A-Z]([0-9A-Z_.-]*[0-9A-Z])?$', re.I)
+
+    FIELDNAME_MATCHER = re.compile('^[A-Z]([0-9A-Z-]*[0-9A-Z])?$', re.I)
+
+    VERSION_MATCHER = PEP440_VERSION_RE
+
+    SUMMARY_MATCHER = re.compile('.{1,2047}')
+
+    METADATA_VERSION = '2.0'
+
+    GENERATOR = 'distlib (%s)' % __version__
+
+    MANDATORY_KEYS = {
+        'name': (),
+        'version': (),
+        'summary': ('legacy',),
+    }
+
+    INDEX_KEYS = ('name version license summary description author '
+                  'author_email keywords platform home_page classifiers '
+                  'download_url')
+
+    DEPENDENCY_KEYS = ('extras run_requires test_requires build_requires '
+                       'dev_requires provides meta_requires obsoleted_by '
+                       'supports_environments')
+
+    SYNTAX_VALIDATORS = {
+        'metadata_version': (METADATA_VERSION_MATCHER, ()),
+        'name': (NAME_MATCHER, ('legacy',)),
+        'version': (VERSION_MATCHER, ('legacy',)),
+        'summary': (SUMMARY_MATCHER, ('legacy',)),
+        'dynamic': (FIELDNAME_MATCHER, ('legacy',)),
+    }
+
+    __slots__ = ('_legacy', '_data', 'scheme')
+
+    def __init__(self, path=None, fileobj=None, mapping=None,
+                 scheme='default'):
+        if [path, fileobj, mapping].count(None) < 2:
+            raise TypeError('path, fileobj and mapping are exclusive')
+        self._legacy = None
+        self._data = None
+        self.scheme = scheme
+        #import pdb; pdb.set_trace()
+        if mapping is not None:
+            try:
+                self._validate_mapping(mapping, scheme)
+                self._data = mapping
+            except MetadataUnrecognizedVersionError:
+                self._legacy = LegacyMetadata(mapping=mapping, scheme=scheme)
+                self.validate()
+        else:
+            data = None
+            if path:
+                with open(path, 'rb') as f:
+                    data = f.read()
+            elif fileobj:
+                data = fileobj.read()
+            if data is None:
+                # Initialised with no args - to be added
+                self._data = {
+                    'metadata_version': self.METADATA_VERSION,
+                    'generator': self.GENERATOR,
+                }
+            else:
+                if not isinstance(data, text_type):
+                    data = data.decode('utf-8')
+                try:
+                    self._data = json.loads(data)
+                    self._validate_mapping(self._data, scheme)
+                except ValueError:
+                    # Note: MetadataUnrecognizedVersionError does not
+                    # inherit from ValueError (it's a DistlibException,
+                    # which should not inherit from ValueError).
+                    # The ValueError comes from the json.load - if that
+                    # succeeds and we get a validation error, we want
+                    # that to propagate
+                    self._legacy = LegacyMetadata(fileobj=StringIO(data),
+                                                  scheme=scheme)
+                    self.validate()
+
+    common_keys = set(('name', 'version', 'license', 'keywords', 'summary'))
+
+    none_list = (None, list)
+    none_dict = (None, dict)
+
+    mapped_keys = {
+        'run_requires': ('Requires-Dist', list),
+        'build_requires': ('Setup-Requires-Dist', list),
+        'dev_requires': none_list,
+        'test_requires': none_list,
+        'meta_requires': none_list,
+        'extras': ('Provides-Extra', list),
+        'modules': none_list,
+        'namespaces': none_list,
+        'exports': none_dict,
+        'commands': none_dict,
+        'classifiers': ('Classifier', list),
+        'source_url': ('Download-URL', None),
+        'metadata_version': ('Metadata-Version', None),
+    }
+
+    del none_list, none_dict
+
+    def __getattribute__(self, key):
+        common = object.__getattribute__(self, 'common_keys')
+        mapped = object.__getattribute__(self, 'mapped_keys')
+        if key in mapped:
+            lk, maker = mapped[key]
+            if self._legacy:
+                if lk is None:
+                    result = None if maker is None else maker()
+                else:
+                    result = self._legacy.get(lk)
+            else:
+                value = None if maker is None else maker()
+                if key not in ('commands', 'exports', 'modules', 'namespaces',
+                               'classifiers'):
+                    result = self._data.get(key, value)
+                else:
+                    # special cases for PEP 459
+                    sentinel = object()
+                    result = sentinel
+                    d = self._data.get('extensions')
+                    if d:
+                        if key == 'commands':
+                            result = d.get('python.commands', value)
+                        elif key == 'classifiers':
+                            d = d.get('python.details')
+                            if d:
+                                result = d.get(key, value)
+                        else:
+                            d = d.get('python.exports')
+                            if not d:
+                                d = self._data.get('python.exports')
+                            if d:
+                                result = d.get(key, value)
+                    if result is sentinel:
+                        result = value
+        elif key not in common:
+            result = object.__getattribute__(self, key)
+        elif self._legacy:
+            result = self._legacy.get(key)
+        else:
+            result = self._data.get(key)
+        return result
+
+    def _validate_value(self, key, value, scheme=None):
+        if key in self.SYNTAX_VALIDATORS:
+            pattern, exclusions = self.SYNTAX_VALIDATORS[key]
+            if (scheme or self.scheme) not in exclusions:
+                m = pattern.match(value)
+                if not m:
+                    raise MetadataInvalidError("'%s' is an invalid value for "
+                                               "the '%s' property" % (value,
+                                                                    key))
+
+    def __setattr__(self, key, value):
+        self._validate_value(key, value)
+        common = object.__getattribute__(self, 'common_keys')
+        mapped = object.__getattribute__(self, 'mapped_keys')
+        if key in mapped:
+            lk, _ = mapped[key]
+            if self._legacy:
+                if lk is None:
+                    raise NotImplementedError
+                self._legacy[lk] = value
+            elif key not in ('commands', 'exports', 'modules', 'namespaces',
+                             'classifiers'):
+                self._data[key] = value
+            else:
+                # special cases for PEP 459
+                d = self._data.setdefault('extensions', {})
+                if key == 'commands':
+                    d['python.commands'] = value
+                elif key == 'classifiers':
+                    d = d.setdefault('python.details', {})
+                    d[key] = value
+                else:
+                    d = d.setdefault('python.exports', {})
+                    d[key] = value
+        elif key not in common:
+            object.__setattr__(self, key, value)
+        else:
+            if key == 'keywords':
+                if isinstance(value, string_types):
+                    value = value.strip()
+                    if value:
+                        value = value.split()
+                    else:
+                        value = []
+            if self._legacy:
+                self._legacy[key] = value
+            else:
+                self._data[key] = value
+
+    @property
+    def name_and_version(self):
+        return _get_name_and_version(self.name, self.version, True)
+
+    @property
+    def provides(self):
+        if self._legacy:
+            result = self._legacy['Provides-Dist']
+        else:
+            result = self._data.setdefault('provides', [])
+        s = '%s (%s)' % (self.name, self.version)
+        if s not in result:
+            result.append(s)
+        return result
+
+    @provides.setter
+    def provides(self, value):
+        if self._legacy:
+            self._legacy['Provides-Dist'] = value
+        else:
+            self._data['provides'] = value
+
+    def get_requirements(self, reqts, extras=None, env=None):
+        """
+        Base method to get dependencies, given a set of extras
+        to satisfy and an optional environment context.
+        :param reqts: A list of sometimes-wanted dependencies,
+                      perhaps dependent on extras and environment.
+        :param extras: A list of optional components being requested.
+        :param env: An optional environment for marker evaluation.
+        """
+        if self._legacy:
+            result = reqts
+        else:
+            result = []
+            extras = get_extras(extras or [], self.extras)
+            for d in reqts:
+                if 'extra' not in d and 'environment' not in d:
+                    # unconditional
+                    include = True
+                else:
+                    if 'extra' not in d:
+                        # Not extra-dependent - only environment-dependent
+                        include = True
+                    else:
+                        include = d.get('extra') in extras
+                    if include:
+                        # Not excluded because of extras, check environment
+                        marker = d.get('environment')
+                        if marker:
+                            include = interpret(marker, env)
+                if include:
+                    result.extend(d['requires'])
+            for key in ('build', 'dev', 'test'):
+                e = ':%s:' % key
+                if e in extras:
+                    extras.remove(e)
+                    # A recursive call, but it should terminate since 'test'
+                    # has been removed from the extras
+                    reqts = self._data.get('%s_requires' % key, [])
+                    result.extend(self.get_requirements(reqts, extras=extras,
+                                                        env=env))
+        return result
+
+    @property
+    def dictionary(self):
+        if self._legacy:
+            return self._from_legacy()
+        return self._data
+
+    @property
+    def dependencies(self):
+        if self._legacy:
+            raise NotImplementedError
+        else:
+            return extract_by_key(self._data, self.DEPENDENCY_KEYS)
+
+    @dependencies.setter
+    def dependencies(self, value):
+        if self._legacy:
+            raise NotImplementedError
+        else:
+            self._data.update(value)
+
+    def _validate_mapping(self, mapping, scheme):
+        if mapping.get('metadata_version') != self.METADATA_VERSION:
+            raise MetadataUnrecognizedVersionError()
+        missing = []
+        for key, exclusions in self.MANDATORY_KEYS.items():
+            if key not in mapping:
+                if scheme not in exclusions:
+                    missing.append(key)
+        if missing:
+            msg = 'Missing metadata items: %s' % ', '.join(missing)
+            raise MetadataMissingError(msg)
+        for k, v in mapping.items():
+            self._validate_value(k, v, scheme)
+
+    def validate(self):
+        if self._legacy:
+            missing, warnings = self._legacy.check(True)
+            if missing or warnings:
+                logger.warning('Metadata: missing: %s, warnings: %s',
+                               missing, warnings)
+        else:
+            self._validate_mapping(self._data, self.scheme)
+
+    def todict(self):
+        if self._legacy:
+            return self._legacy.todict(True)
+        else:
+            result = extract_by_key(self._data, self.INDEX_KEYS)
+            return result
+
+    def _from_legacy(self):
+        assert self._legacy and not self._data
+        result = {
+            'metadata_version': self.METADATA_VERSION,
+            'generator': self.GENERATOR,
+        }
+        lmd = self._legacy.todict(True)     # skip missing ones
+        for k in ('name', 'version', 'license', 'summary', 'description',
+                  'classifier'):
+            if k in lmd:
+                if k == 'classifier':
+                    nk = 'classifiers'
+                else:
+                    nk = k
+                result[nk] = lmd[k]
+        kw = lmd.get('Keywords', [])
+        if kw == ['']:
+            kw = []
+        result['keywords'] = kw
+        keys = (('requires_dist', 'run_requires'),
+                ('setup_requires_dist', 'build_requires'))
+        for ok, nk in keys:
+            if ok in lmd and lmd[ok]:
+                result[nk] = [{'requires': lmd[ok]}]
+        result['provides'] = self.provides
+        author = {}
+        maintainer = {}
+        return result
+
+    LEGACY_MAPPING = {
+        'name': 'Name',
+        'version': 'Version',
+        ('extensions', 'python.details', 'license'): 'License',
+        'summary': 'Summary',
+        'description': 'Description',
+        ('extensions', 'python.project', 'project_urls', 'Home'): 'Home-page',
+        ('extensions', 'python.project', 'contacts', 0, 'name'): 'Author',
+        ('extensions', 'python.project', 'contacts', 0, 'email'): 'Author-email',
+        'source_url': 'Download-URL',
+        ('extensions', 'python.details', 'classifiers'): 'Classifier',
+    }
+
+    def _to_legacy(self):
+        def process_entries(entries):
+            reqts = set()
+            for e in entries:
+                extra = e.get('extra')
+                env = e.get('environment')
+                rlist = e['requires']
+                for r in rlist:
+                    if not env and not extra:
+                        reqts.add(r)
+                    else:
+                        marker = ''
+                        if extra:
+                            marker = 'extra == "%s"' % extra
+                        if env:
+                            if marker:
+                                marker = '(%s) and %s' % (env, marker)
+                            else:
+                                marker = env
+                        reqts.add(';'.join((r, marker)))
+            return reqts
+
+        assert self._data and not self._legacy
+        result = LegacyMetadata()
+        nmd = self._data
+        # import pdb; pdb.set_trace()
+        for nk, ok in self.LEGACY_MAPPING.items():
+            if not isinstance(nk, tuple):
+                if nk in nmd:
+                    result[ok] = nmd[nk]
+            else:
+                d = nmd
+                found = True
+                for k in nk:
+                    try:
+                        d = d[k]
+                    except (KeyError, IndexError):
+                        found = False
+                        break
+                if found:
+                    result[ok] = d
+        r1 = process_entries(self.run_requires + self.meta_requires)
+        r2 = process_entries(self.build_requires + self.dev_requires)
+        if self.extras:
+            result['Provides-Extra'] = sorted(self.extras)
+        result['Requires-Dist'] = sorted(r1)
+        result['Setup-Requires-Dist'] = sorted(r2)
+        # TODO: any other fields wanted
+        return result
+
+    def write(self, path=None, fileobj=None, legacy=False, skip_unknown=True):
+        if [path, fileobj].count(None) != 1:
+            raise ValueError('Exactly one of path and fileobj is needed')
+        self.validate()
+        if legacy:
+            if self._legacy:
+                legacy_md = self._legacy
+            else:
+                legacy_md = self._to_legacy()
+            if path:
+                legacy_md.write(path, skip_unknown=skip_unknown)
+            else:
+                legacy_md.write_file(fileobj, skip_unknown=skip_unknown)
+        else:
+            if self._legacy:
+                d = self._from_legacy()
+            else:
+                d = self._data
+            if fileobj:
+                json.dump(d, fileobj, ensure_ascii=True, indent=2,
+                          sort_keys=True)
+            else:
+                with codecs.open(path, 'w', 'utf-8') as f:
+                    json.dump(d, f, ensure_ascii=True, indent=2,
+                              sort_keys=True)
+
+    def add_requirements(self, requirements):
+        if self._legacy:
+            self._legacy.add_requirements(requirements)
+        else:
+            run_requires = self._data.setdefault('run_requires', [])
+            always = None
+            for entry in run_requires:
+                if 'environment' not in entry and 'extra' not in entry:
+                    always = entry
+                    break
+            if always is None:
+                always = { 'requires': requirements }
+                run_requires.insert(0, always)
+            else:
+                rset = set(always['requires']) | set(requirements)
+                always['requires'] = sorted(rset)
+
+    def __repr__(self):
+        name = self.name or '(no name)'
+        version = self.version or 'no version'
+        return '<%s %s %s (%s)>' % (self.__class__.__name__,
+                                    self.metadata_version, name, version)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/resources.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/resources.py
new file mode 100644
index 00000000..fef52aa1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/resources.py
@@ -0,0 +1,358 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2017 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import unicode_literals
+
+import bisect
+import io
+import logging
+import os
+import pkgutil
+import sys
+import types
+import zipimport
+
+from . import DistlibException
+from .util import cached_property, get_cache_base, Cache
+
+logger = logging.getLogger(__name__)
+
+
+cache = None    # created when needed
+
+
+class ResourceCache(Cache):
+    def __init__(self, base=None):
+        if base is None:
+            # Use native string to avoid issues on 2.x: see Python #20140.
+            base = os.path.join(get_cache_base(), str('resource-cache'))
+        super(ResourceCache, self).__init__(base)
+
+    def is_stale(self, resource, path):
+        """
+        Is the cache stale for the given resource?
+
+        :param resource: The :class:`Resource` being cached.
+        :param path: The path of the resource in the cache.
+        :return: True if the cache is stale.
+        """
+        # Cache invalidation is a hard problem :-)
+        return True
+
+    def get(self, resource):
+        """
+        Get a resource into the cache,
+
+        :param resource: A :class:`Resource` instance.
+        :return: The pathname of the resource in the cache.
+        """
+        prefix, path = resource.finder.get_cache_info(resource)
+        if prefix is None:
+            result = path
+        else:
+            result = os.path.join(self.base, self.prefix_to_dir(prefix), path)
+            dirname = os.path.dirname(result)
+            if not os.path.isdir(dirname):
+                os.makedirs(dirname)
+            if not os.path.exists(result):
+                stale = True
+            else:
+                stale = self.is_stale(resource, path)
+            if stale:
+                # write the bytes of the resource to the cache location
+                with open(result, 'wb') as f:
+                    f.write(resource.bytes)
+        return result
+
+
+class ResourceBase(object):
+    def __init__(self, finder, name):
+        self.finder = finder
+        self.name = name
+
+
+class Resource(ResourceBase):
+    """
+    A class representing an in-package resource, such as a data file. This is
+    not normally instantiated by user code, but rather by a
+    :class:`ResourceFinder` which manages the resource.
+    """
+    is_container = False        # Backwards compatibility
+
+    def as_stream(self):
+        """
+        Get the resource as a stream.
+
+        This is not a property to make it obvious that it returns a new stream
+        each time.
+        """
+        return self.finder.get_stream(self)
+
+    @cached_property
+    def file_path(self):
+        global cache
+        if cache is None:
+            cache = ResourceCache()
+        return cache.get(self)
+
+    @cached_property
+    def bytes(self):
+        return self.finder.get_bytes(self)
+
+    @cached_property
+    def size(self):
+        return self.finder.get_size(self)
+
+
+class ResourceContainer(ResourceBase):
+    is_container = True     # Backwards compatibility
+
+    @cached_property
+    def resources(self):
+        return self.finder.get_resources(self)
+
+
+class ResourceFinder(object):
+    """
+    Resource finder for file system resources.
+    """
+
+    if sys.platform.startswith('java'):
+        skipped_extensions = ('.pyc', '.pyo', '.class')
+    else:
+        skipped_extensions = ('.pyc', '.pyo')
+
+    def __init__(self, module):
+        self.module = module
+        self.loader = getattr(module, '__loader__', None)
+        self.base = os.path.dirname(getattr(module, '__file__', ''))
+
+    def _adjust_path(self, path):
+        return os.path.realpath(path)
+
+    def _make_path(self, resource_name):
+        # Issue #50: need to preserve type of path on Python 2.x
+        # like os.path._get_sep
+        if isinstance(resource_name, bytes):    # should only happen on 2.x
+            sep = b'/'
+        else:
+            sep = '/'
+        parts = resource_name.split(sep)
+        parts.insert(0, self.base)
+        result = os.path.join(*parts)
+        return self._adjust_path(result)
+
+    def _find(self, path):
+        return os.path.exists(path)
+
+    def get_cache_info(self, resource):
+        return None, resource.path
+
+    def find(self, resource_name):
+        path = self._make_path(resource_name)
+        if not self._find(path):
+            result = None
+        else:
+            if self._is_directory(path):
+                result = ResourceContainer(self, resource_name)
+            else:
+                result = Resource(self, resource_name)
+            result.path = path
+        return result
+
+    def get_stream(self, resource):
+        return open(resource.path, 'rb')
+
+    def get_bytes(self, resource):
+        with open(resource.path, 'rb') as f:
+            return f.read()
+
+    def get_size(self, resource):
+        return os.path.getsize(resource.path)
+
+    def get_resources(self, resource):
+        def allowed(f):
+            return (f != '__pycache__' and not
+                    f.endswith(self.skipped_extensions))
+        return set([f for f in os.listdir(resource.path) if allowed(f)])
+
+    def is_container(self, resource):
+        return self._is_directory(resource.path)
+
+    _is_directory = staticmethod(os.path.isdir)
+
+    def iterator(self, resource_name):
+        resource = self.find(resource_name)
+        if resource is not None:
+            todo = [resource]
+            while todo:
+                resource = todo.pop(0)
+                yield resource
+                if resource.is_container:
+                    rname = resource.name
+                    for name in resource.resources:
+                        if not rname:
+                            new_name = name
+                        else:
+                            new_name = '/'.join([rname, name])
+                        child = self.find(new_name)
+                        if child.is_container:
+                            todo.append(child)
+                        else:
+                            yield child
+
+
+class ZipResourceFinder(ResourceFinder):
+    """
+    Resource finder for resources in .zip files.
+    """
+    def __init__(self, module):
+        super(ZipResourceFinder, self).__init__(module)
+        archive = self.loader.archive
+        self.prefix_len = 1 + len(archive)
+        # PyPy doesn't have a _files attr on zipimporter, and you can't set one
+        if hasattr(self.loader, '_files'):
+            self._files = self.loader._files
+        else:
+            self._files = zipimport._zip_directory_cache[archive]
+        self.index = sorted(self._files)
+
+    def _adjust_path(self, path):
+        return path
+
+    def _find(self, path):
+        path = path[self.prefix_len:]
+        if path in self._files:
+            result = True
+        else:
+            if path and path[-1] != os.sep:
+                path = path + os.sep
+            i = bisect.bisect(self.index, path)
+            try:
+                result = self.index[i].startswith(path)
+            except IndexError:
+                result = False
+        if not result:
+            logger.debug('_find failed: %r %r', path, self.loader.prefix)
+        else:
+            logger.debug('_find worked: %r %r', path, self.loader.prefix)
+        return result
+
+    def get_cache_info(self, resource):
+        prefix = self.loader.archive
+        path = resource.path[1 + len(prefix):]
+        return prefix, path
+
+    def get_bytes(self, resource):
+        return self.loader.get_data(resource.path)
+
+    def get_stream(self, resource):
+        return io.BytesIO(self.get_bytes(resource))
+
+    def get_size(self, resource):
+        path = resource.path[self.prefix_len:]
+        return self._files[path][3]
+
+    def get_resources(self, resource):
+        path = resource.path[self.prefix_len:]
+        if path and path[-1] != os.sep:
+            path += os.sep
+        plen = len(path)
+        result = set()
+        i = bisect.bisect(self.index, path)
+        while i < len(self.index):
+            if not self.index[i].startswith(path):
+                break
+            s = self.index[i][plen:]
+            result.add(s.split(os.sep, 1)[0])   # only immediate children
+            i += 1
+        return result
+
+    def _is_directory(self, path):
+        path = path[self.prefix_len:]
+        if path and path[-1] != os.sep:
+            path += os.sep
+        i = bisect.bisect(self.index, path)
+        try:
+            result = self.index[i].startswith(path)
+        except IndexError:
+            result = False
+        return result
+
+
+_finder_registry = {
+    type(None): ResourceFinder,
+    zipimport.zipimporter: ZipResourceFinder
+}
+
+try:
+    # In Python 3.6, _frozen_importlib -> _frozen_importlib_external
+    try:
+        import _frozen_importlib_external as _fi
+    except ImportError:
+        import _frozen_importlib as _fi
+    _finder_registry[_fi.SourceFileLoader] = ResourceFinder
+    _finder_registry[_fi.FileFinder] = ResourceFinder
+    # See issue #146
+    _finder_registry[_fi.SourcelessFileLoader] = ResourceFinder
+    del _fi
+except (ImportError, AttributeError):
+    pass
+
+
+def register_finder(loader, finder_maker):
+    _finder_registry[type(loader)] = finder_maker
+
+
+_finder_cache = {}
+
+
+def finder(package):
+    """
+    Return a resource finder for a package.
+    :param package: The name of the package.
+    :return: A :class:`ResourceFinder` instance for the package.
+    """
+    if package in _finder_cache:
+        result = _finder_cache[package]
+    else:
+        if package not in sys.modules:
+            __import__(package)
+        module = sys.modules[package]
+        path = getattr(module, '__path__', None)
+        if path is None:
+            raise DistlibException('You cannot get a finder for a module, '
+                                   'only for a package')
+        loader = getattr(module, '__loader__', None)
+        finder_maker = _finder_registry.get(type(loader))
+        if finder_maker is None:
+            raise DistlibException('Unable to locate finder for %r' % package)
+        result = finder_maker(module)
+        _finder_cache[package] = result
+    return result
+
+
+_dummy_module = types.ModuleType(str('__dummy__'))
+
+
+def finder_for_path(path):
+    """
+    Return a resource finder for a path, which should represent a container.
+
+    :param path: The path.
+    :return: A :class:`ResourceFinder` instance for the path.
+    """
+    result = None
+    # calls any path hooks, gets importer into cache
+    pkgutil.get_importer(path)
+    loader = sys.path_importer_cache.get(path)
+    finder = _finder_registry.get(type(loader))
+    if finder:
+        module = _dummy_module
+        module.__file__ = os.path.join(path, '')
+        module.__loader__ = loader
+        result = finder(module)
+    return result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/scripts.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/scripts.py
new file mode 100644
index 00000000..cfa45d2a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/scripts.py
@@ -0,0 +1,452 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2023 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from io import BytesIO
+import logging
+import os
+import re
+import struct
+import sys
+import time
+from zipfile import ZipInfo
+
+from .compat import sysconfig, detect_encoding, ZipFile
+from .resources import finder
+from .util import (FileOperator, get_export_entry, convert_path,
+                   get_executable, get_platform, in_venv)
+
+logger = logging.getLogger(__name__)
+
+_DEFAULT_MANIFEST = '''
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+ <assemblyIdentity version="1.0.0.0"
+ processorArchitecture="X86"
+ name="%s"
+ type="win32"/>
+
+ <!-- Identify the application security requirements. -->
+ <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+ <security>
+ <requestedPrivileges>
+ <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+ </requestedPrivileges>
+ </security>
+ </trustInfo>
+</assembly>'''.strip()
+
+# check if Python is called on the first line with this expression
+FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$')
+SCRIPT_TEMPLATE = r'''# -*- coding: utf-8 -*-
+import re
+import sys
+from %(module)s import %(import_name)s
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(%(func)s())
+'''
+
+
+def enquote_executable(executable):
+    if ' ' in executable:
+        # make sure we quote only the executable in case of env
+        # for example /usr/bin/env "/dir with spaces/bin/jython"
+        # instead of "/usr/bin/env /dir with spaces/bin/jython"
+        # otherwise whole
+        if executable.startswith('/usr/bin/env '):
+            env, _executable = executable.split(' ', 1)
+            if ' ' in _executable and not _executable.startswith('"'):
+                executable = '%s "%s"' % (env, _executable)
+        else:
+            if not executable.startswith('"'):
+                executable = '"%s"' % executable
+    return executable
+
+
+# Keep the old name around (for now), as there is at least one project using it!
+_enquote_executable = enquote_executable
+
+
+class ScriptMaker(object):
+    """
+    A class to copy or create scripts from source scripts or callable
+    specifications.
+    """
+    script_template = SCRIPT_TEMPLATE
+
+    executable = None  # for shebangs
+
+    def __init__(self,
+                 source_dir,
+                 target_dir,
+                 add_launchers=True,
+                 dry_run=False,
+                 fileop=None):
+        self.source_dir = source_dir
+        self.target_dir = target_dir
+        self.add_launchers = add_launchers
+        self.force = False
+        self.clobber = False
+        # It only makes sense to set mode bits on POSIX.
+        self.set_mode = (os.name == 'posix') or (os.name == 'java'
+                                                 and os._name == 'posix')
+        self.variants = set(('', 'X.Y'))
+        self._fileop = fileop or FileOperator(dry_run)
+
+        self._is_nt = os.name == 'nt' or (os.name == 'java'
+                                          and os._name == 'nt')
+        self.version_info = sys.version_info
+
+    def _get_alternate_executable(self, executable, options):
+        if options.get('gui', False) and self._is_nt:  # pragma: no cover
+            dn, fn = os.path.split(executable)
+            fn = fn.replace('python', 'pythonw')
+            executable = os.path.join(dn, fn)
+        return executable
+
+    if sys.platform.startswith('java'):  # pragma: no cover
+
+        def _is_shell(self, executable):
+            """
+            Determine if the specified executable is a script
+            (contains a #! line)
+            """
+            try:
+                with open(executable) as fp:
+                    return fp.read(2) == '#!'
+            except (OSError, IOError):
+                logger.warning('Failed to open %s', executable)
+                return False
+
+        def _fix_jython_executable(self, executable):
+            if self._is_shell(executable):
+                # Workaround for Jython is not needed on Linux systems.
+                import java
+
+                if java.lang.System.getProperty('os.name') == 'Linux':
+                    return executable
+            elif executable.lower().endswith('jython.exe'):
+                # Use wrapper exe for Jython on Windows
+                return executable
+            return '/usr/bin/env %s' % executable
+
+    def _build_shebang(self, executable, post_interp):
+        """
+        Build a shebang line. In the simple case (on Windows, or a shebang line
+        which is not too long or contains spaces) use a simple formulation for
+        the shebang. Otherwise, use /bin/sh as the executable, with a contrived
+        shebang which allows the script to run either under Python or sh, using
+        suitable quoting. Thanks to Harald Nordgren for his input.
+
+        See also: http://www.in-ulm.de/~mascheck/various/shebang/#length
+                  https://hg.mozilla.org/mozilla-central/file/tip/mach
+        """
+        if os.name != 'posix':
+            simple_shebang = True
+        else:
+            # Add 3 for '#!' prefix and newline suffix.
+            shebang_length = len(executable) + len(post_interp) + 3
+            if sys.platform == 'darwin':
+                max_shebang_length = 512
+            else:
+                max_shebang_length = 127
+            simple_shebang = ((b' ' not in executable)
+                              and (shebang_length <= max_shebang_length))
+
+        if simple_shebang:
+            result = b'#!' + executable + post_interp + b'\n'
+        else:
+            result = b'#!/bin/sh\n'
+            result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n'
+            result += b"' '''"
+        return result
+
+    def _get_shebang(self, encoding, post_interp=b'', options=None):
+        enquote = True
+        if self.executable:
+            executable = self.executable
+            enquote = False  # assume this will be taken care of
+        elif not sysconfig.is_python_build():
+            executable = get_executable()
+        elif in_venv():  # pragma: no cover
+            executable = os.path.join(
+                sysconfig.get_path('scripts'),
+                'python%s' % sysconfig.get_config_var('EXE'))
+        else:  # pragma: no cover
+            if os.name == 'nt':
+                # for Python builds from source on Windows, no Python executables with
+                # a version suffix are created, so we use python.exe
+                executable = os.path.join(
+                    sysconfig.get_config_var('BINDIR'),
+                    'python%s' % (sysconfig.get_config_var('EXE')))
+            else:
+                executable = os.path.join(
+                    sysconfig.get_config_var('BINDIR'),
+                    'python%s%s' % (sysconfig.get_config_var('VERSION'),
+                                    sysconfig.get_config_var('EXE')))
+        if options:
+            executable = self._get_alternate_executable(executable, options)
+
+        if sys.platform.startswith('java'):  # pragma: no cover
+            executable = self._fix_jython_executable(executable)
+
+        # Normalise case for Windows - COMMENTED OUT
+        # executable = os.path.normcase(executable)
+        # N.B. The normalising operation above has been commented out: See
+        # issue #124. Although paths in Windows are generally case-insensitive,
+        # they aren't always. For example, a path containing a ẞ (which is a
+        # LATIN CAPITAL LETTER SHARP S - U+1E9E) is normcased to ß (which is a
+        # LATIN SMALL LETTER SHARP S' - U+00DF). The two are not considered by
+        # Windows as equivalent in path names.
+
+        # If the user didn't specify an executable, it may be necessary to
+        # cater for executable paths with spaces (not uncommon on Windows)
+        if enquote:
+            executable = enquote_executable(executable)
+        # Issue #51: don't use fsencode, since we later try to
+        # check that the shebang is decodable using utf-8.
+        executable = executable.encode('utf-8')
+        # in case of IronPython, play safe and enable frames support
+        if (sys.platform == 'cli' and '-X:Frames' not in post_interp
+                and '-X:FullFrames' not in post_interp):  # pragma: no cover
+            post_interp += b' -X:Frames'
+        shebang = self._build_shebang(executable, post_interp)
+        # Python parser starts to read a script using UTF-8 until
+        # it gets a #coding:xxx cookie. The shebang has to be the
+        # first line of a file, the #coding:xxx cookie cannot be
+        # written before. So the shebang has to be decodable from
+        # UTF-8.
+        try:
+            shebang.decode('utf-8')
+        except UnicodeDecodeError:  # pragma: no cover
+            raise ValueError('The shebang (%r) is not decodable from utf-8' %
+                             shebang)
+        # If the script is encoded to a custom encoding (use a
+        # #coding:xxx cookie), the shebang has to be decodable from
+        # the script encoding too.
+        if encoding != 'utf-8':
+            try:
+                shebang.decode(encoding)
+            except UnicodeDecodeError:  # pragma: no cover
+                raise ValueError('The shebang (%r) is not decodable '
+                                 'from the script encoding (%r)' %
+                                 (shebang, encoding))
+        return shebang
+
+    def _get_script_text(self, entry):
+        return self.script_template % dict(
+            module=entry.prefix,
+            import_name=entry.suffix.split('.')[0],
+            func=entry.suffix)
+
+    manifest = _DEFAULT_MANIFEST
+
+    def get_manifest(self, exename):
+        base = os.path.basename(exename)
+        return self.manifest % base
+
+    def _write_script(self, names, shebang, script_bytes, filenames, ext):
+        use_launcher = self.add_launchers and self._is_nt
+        linesep = os.linesep.encode('utf-8')
+        if not shebang.endswith(linesep):
+            shebang += linesep
+        if not use_launcher:
+            script_bytes = shebang + script_bytes
+        else:  # pragma: no cover
+            if ext == 'py':
+                launcher = self._get_launcher('t')
+            else:
+                launcher = self._get_launcher('w')
+            stream = BytesIO()
+            with ZipFile(stream, 'w') as zf:
+                source_date_epoch = os.environ.get('SOURCE_DATE_EPOCH')
+                if source_date_epoch:
+                    date_time = time.gmtime(int(source_date_epoch))[:6]
+                    zinfo = ZipInfo(filename='__main__.py',
+                                    date_time=date_time)
+                    zf.writestr(zinfo, script_bytes)
+                else:
+                    zf.writestr('__main__.py', script_bytes)
+            zip_data = stream.getvalue()
+            script_bytes = launcher + shebang + zip_data
+        for name in names:
+            outname = os.path.join(self.target_dir, name)
+            if use_launcher:  # pragma: no cover
+                n, e = os.path.splitext(outname)
+                if e.startswith('.py'):
+                    outname = n
+                outname = '%s.exe' % outname
+                try:
+                    self._fileop.write_binary_file(outname, script_bytes)
+                except Exception:
+                    # Failed writing an executable - it might be in use.
+                    logger.warning('Failed to write executable - trying to '
+                                   'use .deleteme logic')
+                    dfname = '%s.deleteme' % outname
+                    if os.path.exists(dfname):
+                        os.remove(dfname)  # Not allowed to fail here
+                    os.rename(outname, dfname)  # nor here
+                    self._fileop.write_binary_file(outname, script_bytes)
+                    logger.debug('Able to replace executable using '
+                                 '.deleteme logic')
+                    try:
+                        os.remove(dfname)
+                    except Exception:
+                        pass  # still in use - ignore error
+            else:
+                if self._is_nt and not outname.endswith(
+                        '.' + ext):  # pragma: no cover
+                    outname = '%s.%s' % (outname, ext)
+                if os.path.exists(outname) and not self.clobber:
+                    logger.warning('Skipping existing file %s', outname)
+                    continue
+                self._fileop.write_binary_file(outname, script_bytes)
+                if self.set_mode:
+                    self._fileop.set_executable_mode([outname])
+            filenames.append(outname)
+
+    variant_separator = '-'
+
+    def get_script_filenames(self, name):
+        result = set()
+        if '' in self.variants:
+            result.add(name)
+        if 'X' in self.variants:
+            result.add('%s%s' % (name, self.version_info[0]))
+        if 'X.Y' in self.variants:
+            result.add('%s%s%s.%s' %
+                       (name, self.variant_separator, self.version_info[0],
+                        self.version_info[1]))
+        return result
+
+    def _make_script(self, entry, filenames, options=None):
+        post_interp = b''
+        if options:
+            args = options.get('interpreter_args', [])
+            if args:
+                args = ' %s' % ' '.join(args)
+                post_interp = args.encode('utf-8')
+        shebang = self._get_shebang('utf-8', post_interp, options=options)
+        script = self._get_script_text(entry).encode('utf-8')
+        scriptnames = self.get_script_filenames(entry.name)
+        if options and options.get('gui', False):
+            ext = 'pyw'
+        else:
+            ext = 'py'
+        self._write_script(scriptnames, shebang, script, filenames, ext)
+
+    def _copy_script(self, script, filenames):
+        adjust = False
+        script = os.path.join(self.source_dir, convert_path(script))
+        outname = os.path.join(self.target_dir, os.path.basename(script))
+        if not self.force and not self._fileop.newer(script, outname):
+            logger.debug('not copying %s (up-to-date)', script)
+            return
+
+        # Always open the file, but ignore failures in dry-run mode --
+        # that way, we'll get accurate feedback if we can read the
+        # script.
+        try:
+            f = open(script, 'rb')
+        except IOError:  # pragma: no cover
+            if not self.dry_run:
+                raise
+            f = None
+        else:
+            first_line = f.readline()
+            if not first_line:  # pragma: no cover
+                logger.warning('%s is an empty file (skipping)', script)
+                return
+
+            match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n'))
+            if match:
+                adjust = True
+                post_interp = match.group(1) or b''
+
+        if not adjust:
+            if f:
+                f.close()
+            self._fileop.copy_file(script, outname)
+            if self.set_mode:
+                self._fileop.set_executable_mode([outname])
+            filenames.append(outname)
+        else:
+            logger.info('copying and adjusting %s -> %s', script,
+                        self.target_dir)
+            if not self._fileop.dry_run:
+                encoding, lines = detect_encoding(f.readline)
+                f.seek(0)
+                shebang = self._get_shebang(encoding, post_interp)
+                if b'pythonw' in first_line:  # pragma: no cover
+                    ext = 'pyw'
+                else:
+                    ext = 'py'
+                n = os.path.basename(outname)
+                self._write_script([n], shebang, f.read(), filenames, ext)
+            if f:
+                f.close()
+
+    @property
+    def dry_run(self):
+        return self._fileop.dry_run
+
+    @dry_run.setter
+    def dry_run(self, value):
+        self._fileop.dry_run = value
+
+    if os.name == 'nt' or (os.name == 'java'
+                           and os._name == 'nt'):  # pragma: no cover
+        # Executable launcher support.
+        # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/
+
+        def _get_launcher(self, kind):
+            if struct.calcsize('P') == 8:  # 64-bit
+                bits = '64'
+            else:
+                bits = '32'
+            platform_suffix = '-arm' if get_platform() == 'win-arm64' else ''
+            name = '%s%s%s.exe' % (kind, bits, platform_suffix)
+            # Issue 31: don't hardcode an absolute package name, but
+            # determine it relative to the current package
+            distlib_package = __name__.rsplit('.', 1)[0]
+            resource = finder(distlib_package).find(name)
+            if not resource:
+                msg = ('Unable to find resource %s in package %s' %
+                       (name, distlib_package))
+                raise ValueError(msg)
+            return resource.bytes
+
+    # Public API follows
+
+    def make(self, specification, options=None):
+        """
+        Make a script.
+
+        :param specification: The specification, which is either a valid export
+                              entry specification (to make a script from a
+                              callable) or a filename (to make a script by
+                              copying from a source location).
+        :param options: A dictionary of options controlling script generation.
+        :return: A list of all absolute pathnames written to.
+        """
+        filenames = []
+        entry = get_export_entry(specification)
+        if entry is None:
+            self._copy_script(specification, filenames)
+        else:
+            self._make_script(entry, filenames, options=options)
+        return filenames
+
+    def make_multiple(self, specifications, options=None):
+        """
+        Take a list of specifications and make scripts from them,
+        :param specifications: A list of specifications.
+        :return: A list of all absolute pathnames written to,
+        """
+        filenames = []
+        for specification in specifications:
+            filenames.extend(self.make(specification, options))
+        return filenames
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/util.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/util.py
new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/util.py
@@ -0,0 +1,2025 @@
+#
+# Copyright (C) 2012-2023 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+import codecs
+from collections import deque
+import contextlib
+import csv
+from glob import iglob as std_iglob
+import io
+import json
+import logging
+import os
+import py_compile
+import re
+import socket
+try:
+    import ssl
+except ImportError:  # pragma: no cover
+    ssl = None
+import subprocess
+import sys
+import tarfile
+import tempfile
+import textwrap
+
+try:
+    import threading
+except ImportError:  # pragma: no cover
+    import dummy_threading as threading
+import time
+
+from . import DistlibException
+from .compat import (string_types, text_type, shutil, raw_input, StringIO,
+                     cache_from_source, urlopen, urljoin, httplib, xmlrpclib,
+                     HTTPHandler, BaseConfigurator, valid_ident,
+                     Container, configparser, URLError, ZipFile, fsdecode,
+                     unquote, urlparse)
+
+logger = logging.getLogger(__name__)
+
+#
+# Requirement parsing code as per PEP 508
+#
+
+IDENTIFIER = re.compile(r'^([\w\.-]+)\s*')
+VERSION_IDENTIFIER = re.compile(r'^([\w\.*+-]+)\s*')
+COMPARE_OP = re.compile(r'^(<=?|>=?|={2,3}|[~!]=)\s*')
+MARKER_OP = re.compile(r'^((<=?)|(>=?)|={2,3}|[~!]=|in|not\s+in)\s*')
+OR = re.compile(r'^or\b\s*')
+AND = re.compile(r'^and\b\s*')
+NON_SPACE = re.compile(r'(\S+)\s*')
+STRING_CHUNK = re.compile(r'([\s\w\.{}()*+#:;,/?!~`@$%^&=|<>\[\]-]+)')
+
+
+def parse_marker(marker_string):
+    """
+    Parse a marker string and return a dictionary containing a marker expression.
+
+    The dictionary will contain keys "op", "lhs" and "rhs" for non-terminals in
+    the expression grammar, or strings. A string contained in quotes is to be
+    interpreted as a literal string, and a string not contained in quotes is a
+    variable (such as os_name).
+    """
+
+    def marker_var(remaining):
+        # either identifier, or literal string
+        m = IDENTIFIER.match(remaining)
+        if m:
+            result = m.groups()[0]
+            remaining = remaining[m.end():]
+        elif not remaining:
+            raise SyntaxError('unexpected end of input')
+        else:
+            q = remaining[0]
+            if q not in '\'"':
+                raise SyntaxError('invalid expression: %s' % remaining)
+            oq = '\'"'.replace(q, '')
+            remaining = remaining[1:]
+            parts = [q]
+            while remaining:
+                # either a string chunk, or oq, or q to terminate
+                if remaining[0] == q:
+                    break
+                elif remaining[0] == oq:
+                    parts.append(oq)
+                    remaining = remaining[1:]
+                else:
+                    m = STRING_CHUNK.match(remaining)
+                    if not m:
+                        raise SyntaxError('error in string literal: %s' %
+                                          remaining)
+                    parts.append(m.groups()[0])
+                    remaining = remaining[m.end():]
+            else:
+                s = ''.join(parts)
+                raise SyntaxError('unterminated string: %s' % s)
+            parts.append(q)
+            result = ''.join(parts)
+            remaining = remaining[1:].lstrip()  # skip past closing quote
+        return result, remaining
+
+    def marker_expr(remaining):
+        if remaining and remaining[0] == '(':
+            result, remaining = marker(remaining[1:].lstrip())
+            if remaining[0] != ')':
+                raise SyntaxError('unterminated parenthesis: %s' % remaining)
+            remaining = remaining[1:].lstrip()
+        else:
+            lhs, remaining = marker_var(remaining)
+            while remaining:
+                m = MARKER_OP.match(remaining)
+                if not m:
+                    break
+                op = m.groups()[0]
+                remaining = remaining[m.end():]
+                rhs, remaining = marker_var(remaining)
+                lhs = {'op': op, 'lhs': lhs, 'rhs': rhs}
+            result = lhs
+        return result, remaining
+
+    def marker_and(remaining):
+        lhs, remaining = marker_expr(remaining)
+        while remaining:
+            m = AND.match(remaining)
+            if not m:
+                break
+            remaining = remaining[m.end():]
+            rhs, remaining = marker_expr(remaining)
+            lhs = {'op': 'and', 'lhs': lhs, 'rhs': rhs}
+        return lhs, remaining
+
+    def marker(remaining):
+        lhs, remaining = marker_and(remaining)
+        while remaining:
+            m = OR.match(remaining)
+            if not m:
+                break
+            remaining = remaining[m.end():]
+            rhs, remaining = marker_and(remaining)
+            lhs = {'op': 'or', 'lhs': lhs, 'rhs': rhs}
+        return lhs, remaining
+
+    return marker(marker_string)
+
+
+def parse_requirement(req):
+    """
+    Parse a requirement passed in as a string. Return a Container
+    whose attributes contain the various parts of the requirement.
+    """
+    remaining = req.strip()
+    if not remaining or remaining.startswith('#'):
+        return None
+    m = IDENTIFIER.match(remaining)
+    if not m:
+        raise SyntaxError('name expected: %s' % remaining)
+    distname = m.groups()[0]
+    remaining = remaining[m.end():]
+    extras = mark_expr = versions = uri = None
+    if remaining and remaining[0] == '[':
+        i = remaining.find(']', 1)
+        if i < 0:
+            raise SyntaxError('unterminated extra: %s' % remaining)
+        s = remaining[1:i]
+        remaining = remaining[i + 1:].lstrip()
+        extras = []
+        while s:
+            m = IDENTIFIER.match(s)
+            if not m:
+                raise SyntaxError('malformed extra: %s' % s)
+            extras.append(m.groups()[0])
+            s = s[m.end():]
+            if not s:
+                break
+            if s[0] != ',':
+                raise SyntaxError('comma expected in extras: %s' % s)
+            s = s[1:].lstrip()
+        if not extras:
+            extras = None
+    if remaining:
+        if remaining[0] == '@':
+            # it's a URI
+            remaining = remaining[1:].lstrip()
+            m = NON_SPACE.match(remaining)
+            if not m:
+                raise SyntaxError('invalid URI: %s' % remaining)
+            uri = m.groups()[0]
+            t = urlparse(uri)
+            # there are issues with Python and URL parsing, so this test
+            # is a bit crude. See bpo-20271, bpo-23505. Python doesn't
+            # always parse invalid URLs correctly - it should raise
+            # exceptions for malformed URLs
+            if not (t.scheme and t.netloc):
+                raise SyntaxError('Invalid URL: %s' % uri)
+            remaining = remaining[m.end():].lstrip()
+        else:
+
+            def get_versions(ver_remaining):
+                """
+                Return a list of operator, version tuples if any are
+                specified, else None.
+                """
+                m = COMPARE_OP.match(ver_remaining)
+                versions = None
+                if m:
+                    versions = []
+                    while True:
+                        op = m.groups()[0]
+                        ver_remaining = ver_remaining[m.end():]
+                        m = VERSION_IDENTIFIER.match(ver_remaining)
+                        if not m:
+                            raise SyntaxError('invalid version: %s' %
+                                              ver_remaining)
+                        v = m.groups()[0]
+                        versions.append((op, v))
+                        ver_remaining = ver_remaining[m.end():]
+                        if not ver_remaining or ver_remaining[0] != ',':
+                            break
+                        ver_remaining = ver_remaining[1:].lstrip()
+                        # Some packages have a trailing comma which would break things
+                        # See issue #148
+                        if not ver_remaining:
+                            break
+                        m = COMPARE_OP.match(ver_remaining)
+                        if not m:
+                            raise SyntaxError('invalid constraint: %s' %
+                                              ver_remaining)
+                    if not versions:
+                        versions = None
+                return versions, ver_remaining
+
+            if remaining[0] != '(':
+                versions, remaining = get_versions(remaining)
+            else:
+                i = remaining.find(')', 1)
+                if i < 0:
+                    raise SyntaxError('unterminated parenthesis: %s' %
+                                      remaining)
+                s = remaining[1:i]
+                remaining = remaining[i + 1:].lstrip()
+                # As a special diversion from PEP 508, allow a version number
+                # a.b.c in parentheses as a synonym for ~= a.b.c (because this
+                # is allowed in earlier PEPs)
+                if COMPARE_OP.match(s):
+                    versions, _ = get_versions(s)
+                else:
+                    m = VERSION_IDENTIFIER.match(s)
+                    if not m:
+                        raise SyntaxError('invalid constraint: %s' % s)
+                    v = m.groups()[0]
+                    s = s[m.end():].lstrip()
+                    if s:
+                        raise SyntaxError('invalid constraint: %s' % s)
+                    versions = [('~=', v)]
+
+    if remaining:
+        if remaining[0] != ';':
+            raise SyntaxError('invalid requirement: %s' % remaining)
+        remaining = remaining[1:].lstrip()
+
+        mark_expr, remaining = parse_marker(remaining)
+
+    if remaining and remaining[0] != '#':
+        raise SyntaxError('unexpected trailing data: %s' % remaining)
+
+    if not versions:
+        rs = distname
+    else:
+        rs = '%s %s' % (distname, ', '.join(
+            ['%s %s' % con for con in versions]))
+    return Container(name=distname,
+                     extras=extras,
+                     constraints=versions,
+                     marker=mark_expr,
+                     url=uri,
+                     requirement=rs)
+
+
+def get_resources_dests(resources_root, rules):
+    """Find destinations for resources files"""
+
+    def get_rel_path(root, path):
+        # normalizes and returns a lstripped-/-separated path
+        root = root.replace(os.path.sep, '/')
+        path = path.replace(os.path.sep, '/')
+        assert path.startswith(root)
+        return path[len(root):].lstrip('/')
+
+    destinations = {}
+    for base, suffix, dest in rules:
+        prefix = os.path.join(resources_root, base)
+        for abs_base in iglob(prefix):
+            abs_glob = os.path.join(abs_base, suffix)
+            for abs_path in iglob(abs_glob):
+                resource_file = get_rel_path(resources_root, abs_path)
+                if dest is None:  # remove the entry if it was here
+                    destinations.pop(resource_file, None)
+                else:
+                    rel_path = get_rel_path(abs_base, abs_path)
+                    rel_dest = dest.replace(os.path.sep, '/').rstrip('/')
+                    destinations[resource_file] = rel_dest + '/' + rel_path
+    return destinations
+
+
+def in_venv():
+    if hasattr(sys, 'real_prefix'):
+        # virtualenv venvs
+        result = True
+    else:
+        # PEP 405 venvs
+        result = sys.prefix != getattr(sys, 'base_prefix', sys.prefix)
+    return result
+
+
+def get_executable():
+    # The __PYVENV_LAUNCHER__ dance is apparently no longer needed, as
+    # changes to the stub launcher mean that sys.executable always points
+    # to the stub on OS X
+    #    if sys.platform == 'darwin' and ('__PYVENV_LAUNCHER__'
+    #                                     in os.environ):
+    #        result =  os.environ['__PYVENV_LAUNCHER__']
+    #    else:
+    #        result = sys.executable
+    #    return result
+    # Avoid normcasing: see issue #143
+    # result = os.path.normcase(sys.executable)
+    result = sys.executable
+    if not isinstance(result, text_type):
+        result = fsdecode(result)
+    return result
+
+
+def proceed(prompt, allowed_chars, error_prompt=None, default=None):
+    p = prompt
+    while True:
+        s = raw_input(p)
+        p = prompt
+        if not s and default:
+            s = default
+        if s:
+            c = s[0].lower()
+            if c in allowed_chars:
+                break
+            if error_prompt:
+                p = '%c: %s\n%s' % (c, error_prompt, prompt)
+    return c
+
+
+def extract_by_key(d, keys):
+    if isinstance(keys, string_types):
+        keys = keys.split()
+    result = {}
+    for key in keys:
+        if key in d:
+            result[key] = d[key]
+    return result
+
+
+def read_exports(stream):
+    if sys.version_info[0] >= 3:
+        # needs to be a text stream
+        stream = codecs.getreader('utf-8')(stream)
+    # Try to load as JSON, falling back on legacy format
+    data = stream.read()
+    stream = StringIO(data)
+    try:
+        jdata = json.load(stream)
+        result = jdata['extensions']['python.exports']['exports']
+        for group, entries in result.items():
+            for k, v in entries.items():
+                s = '%s = %s' % (k, v)
+                entry = get_export_entry(s)
+                assert entry is not None
+                entries[k] = entry
+        return result
+    except Exception:
+        stream.seek(0, 0)
+
+    def read_stream(cp, stream):
+        if hasattr(cp, 'read_file'):
+            cp.read_file(stream)
+        else:
+            cp.readfp(stream)
+
+    cp = configparser.ConfigParser()
+    try:
+        read_stream(cp, stream)
+    except configparser.MissingSectionHeaderError:
+        stream.close()
+        data = textwrap.dedent(data)
+        stream = StringIO(data)
+        read_stream(cp, stream)
+
+    result = {}
+    for key in cp.sections():
+        result[key] = entries = {}
+        for name, value in cp.items(key):
+            s = '%s = %s' % (name, value)
+            entry = get_export_entry(s)
+            assert entry is not None
+            # entry.dist = self
+            entries[name] = entry
+    return result
+
+
+def write_exports(exports, stream):
+    if sys.version_info[0] >= 3:
+        # needs to be a text stream
+        stream = codecs.getwriter('utf-8')(stream)
+    cp = configparser.ConfigParser()
+    for k, v in exports.items():
+        # TODO check k, v for valid values
+        cp.add_section(k)
+        for entry in v.values():
+            if entry.suffix is None:
+                s = entry.prefix
+            else:
+                s = '%s:%s' % (entry.prefix, entry.suffix)
+            if entry.flags:
+                s = '%s [%s]' % (s, ', '.join(entry.flags))
+            cp.set(k, entry.name, s)
+    cp.write(stream)
+
+
+@contextlib.contextmanager
+def tempdir():
+    td = tempfile.mkdtemp()
+    try:
+        yield td
+    finally:
+        shutil.rmtree(td)
+
+
+@contextlib.contextmanager
+def chdir(d):
+    cwd = os.getcwd()
+    try:
+        os.chdir(d)
+        yield
+    finally:
+        os.chdir(cwd)
+
+
+@contextlib.contextmanager
+def socket_timeout(seconds=15):
+    cto = socket.getdefaulttimeout()
+    try:
+        socket.setdefaulttimeout(seconds)
+        yield
+    finally:
+        socket.setdefaulttimeout(cto)
+
+
+class cached_property(object):
+
+    def __init__(self, func):
+        self.func = func
+        # for attr in ('__name__', '__module__', '__doc__'):
+        #     setattr(self, attr, getattr(func, attr, None))
+
+    def __get__(self, obj, cls=None):
+        if obj is None:
+            return self
+        value = self.func(obj)
+        object.__setattr__(obj, self.func.__name__, value)
+        # obj.__dict__[self.func.__name__] = value = self.func(obj)
+        return value
+
+
+def convert_path(pathname):
+    """Return 'pathname' as a name that will work on the native filesystem.
+
+    The path is split on '/' and put back together again using the current
+    directory separator.  Needed because filenames in the setup script are
+    always supplied in Unix style, and have to be converted to the local
+    convention before we can actually use them in the filesystem.  Raises
+    ValueError on non-Unix-ish systems if 'pathname' either starts or
+    ends with a slash.
+    """
+    if os.sep == '/':
+        return pathname
+    if not pathname:
+        return pathname
+    if pathname[0] == '/':
+        raise ValueError("path '%s' cannot be absolute" % pathname)
+    if pathname[-1] == '/':
+        raise ValueError("path '%s' cannot end with '/'" % pathname)
+
+    paths = pathname.split('/')
+    while os.curdir in paths:
+        paths.remove(os.curdir)
+    if not paths:
+        return os.curdir
+    return os.path.join(*paths)
+
+
+class FileOperator(object):
+
+    def __init__(self, dry_run=False):
+        self.dry_run = dry_run
+        self.ensured = set()
+        self._init_record()
+
+    def _init_record(self):
+        self.record = False
+        self.files_written = set()
+        self.dirs_created = set()
+
+    def record_as_written(self, path):
+        if self.record:
+            self.files_written.add(path)
+
+    def newer(self, source, target):
+        """Tell if the target is newer than the source.
+
+        Returns true if 'source' exists and is more recently modified than
+        'target', or if 'source' exists and 'target' doesn't.
+
+        Returns false if both exist and 'target' is the same age or younger
+        than 'source'. Raise PackagingFileError if 'source' does not exist.
+
+        Note that this test is not very accurate: files created in the same
+        second will have the same "age".
+        """
+        if not os.path.exists(source):
+            raise DistlibException("file '%r' does not exist" %
+                                   os.path.abspath(source))
+        if not os.path.exists(target):
+            return True
+
+        return os.stat(source).st_mtime > os.stat(target).st_mtime
+
+    def copy_file(self, infile, outfile, check=True):
+        """Copy a file respecting dry-run and force flags.
+        """
+        self.ensure_dir(os.path.dirname(outfile))
+        logger.info('Copying %s to %s', infile, outfile)
+        if not self.dry_run:
+            msg = None
+            if check:
+                if os.path.islink(outfile):
+                    msg = '%s is a symlink' % outfile
+                elif os.path.exists(outfile) and not os.path.isfile(outfile):
+                    msg = '%s is a non-regular file' % outfile
+            if msg:
+                raise ValueError(msg + ' which would be overwritten')
+            shutil.copyfile(infile, outfile)
+        self.record_as_written(outfile)
+
+    def copy_stream(self, instream, outfile, encoding=None):
+        assert not os.path.isdir(outfile)
+        self.ensure_dir(os.path.dirname(outfile))
+        logger.info('Copying stream %s to %s', instream, outfile)
+        if not self.dry_run:
+            if encoding is None:
+                outstream = open(outfile, 'wb')
+            else:
+                outstream = codecs.open(outfile, 'w', encoding=encoding)
+            try:
+                shutil.copyfileobj(instream, outstream)
+            finally:
+                outstream.close()
+        self.record_as_written(outfile)
+
+    def write_binary_file(self, path, data):
+        self.ensure_dir(os.path.dirname(path))
+        if not self.dry_run:
+            if os.path.exists(path):
+                os.remove(path)
+            with open(path, 'wb') as f:
+                f.write(data)
+        self.record_as_written(path)
+
+    def write_text_file(self, path, data, encoding):
+        self.write_binary_file(path, data.encode(encoding))
+
+    def set_mode(self, bits, mask, files):
+        if os.name == 'posix' or (os.name == 'java' and os._name == 'posix'):
+            # Set the executable bits (owner, group, and world) on
+            # all the files specified.
+            for f in files:
+                if self.dry_run:
+                    logger.info("changing mode of %s", f)
+                else:
+                    mode = (os.stat(f).st_mode | bits) & mask
+                    logger.info("changing mode of %s to %o", f, mode)
+                    os.chmod(f, mode)
+
+    set_executable_mode = lambda s, f: s.set_mode(0o555, 0o7777, f)
+
+    def ensure_dir(self, path):
+        path = os.path.abspath(path)
+        if path not in self.ensured and not os.path.exists(path):
+            self.ensured.add(path)
+            d, f = os.path.split(path)
+            self.ensure_dir(d)
+            logger.info('Creating %s' % path)
+            if not self.dry_run:
+                os.mkdir(path)
+            if self.record:
+                self.dirs_created.add(path)
+
+    def byte_compile(self,
+                     path,
+                     optimize=False,
+                     force=False,
+                     prefix=None,
+                     hashed_invalidation=False):
+        dpath = cache_from_source(path, not optimize)
+        logger.info('Byte-compiling %s to %s', path, dpath)
+        if not self.dry_run:
+            if force or self.newer(path, dpath):
+                if not prefix:
+                    diagpath = None
+                else:
+                    assert path.startswith(prefix)
+                    diagpath = path[len(prefix):]
+            compile_kwargs = {}
+            if hashed_invalidation and hasattr(py_compile,
+                                               'PycInvalidationMode'):
+                compile_kwargs[
+                    'invalidation_mode'] = py_compile.PycInvalidationMode.CHECKED_HASH
+            py_compile.compile(path, dpath, diagpath, True,
+                               **compile_kwargs)  # raise error
+        self.record_as_written(dpath)
+        return dpath
+
+    def ensure_removed(self, path):
+        if os.path.exists(path):
+            if os.path.isdir(path) and not os.path.islink(path):
+                logger.debug('Removing directory tree at %s', path)
+                if not self.dry_run:
+                    shutil.rmtree(path)
+                if self.record:
+                    if path in self.dirs_created:
+                        self.dirs_created.remove(path)
+            else:
+                if os.path.islink(path):
+                    s = 'link'
+                else:
+                    s = 'file'
+                logger.debug('Removing %s %s', s, path)
+                if not self.dry_run:
+                    os.remove(path)
+                if self.record:
+                    if path in self.files_written:
+                        self.files_written.remove(path)
+
+    def is_writable(self, path):
+        result = False
+        while not result:
+            if os.path.exists(path):
+                result = os.access(path, os.W_OK)
+                break
+            parent = os.path.dirname(path)
+            if parent == path:
+                break
+            path = parent
+        return result
+
+    def commit(self):
+        """
+        Commit recorded changes, turn off recording, return
+        changes.
+        """
+        assert self.record
+        result = self.files_written, self.dirs_created
+        self._init_record()
+        return result
+
+    def rollback(self):
+        if not self.dry_run:
+            for f in list(self.files_written):
+                if os.path.exists(f):
+                    os.remove(f)
+            # dirs should all be empty now, except perhaps for
+            # __pycache__ subdirs
+            # reverse so that subdirs appear before their parents
+            dirs = sorted(self.dirs_created, reverse=True)
+            for d in dirs:
+                flist = os.listdir(d)
+                if flist:
+                    assert flist == ['__pycache__']
+                    sd = os.path.join(d, flist[0])
+                    os.rmdir(sd)
+                os.rmdir(d)  # should fail if non-empty
+        self._init_record()
+
+
+def resolve(module_name, dotted_path):
+    if module_name in sys.modules:
+        mod = sys.modules[module_name]
+    else:
+        mod = __import__(module_name)
+    if dotted_path is None:
+        result = mod
+    else:
+        parts = dotted_path.split('.')
+        result = getattr(mod, parts.pop(0))
+        for p in parts:
+            result = getattr(result, p)
+    return result
+
+
+class ExportEntry(object):
+
+    def __init__(self, name, prefix, suffix, flags):
+        self.name = name
+        self.prefix = prefix
+        self.suffix = suffix
+        self.flags = flags
+
+    @cached_property
+    def value(self):
+        return resolve(self.prefix, self.suffix)
+
+    def __repr__(self):  # pragma: no cover
+        return '<ExportEntry %s = %s:%s %s>' % (self.name, self.prefix,
+                                                self.suffix, self.flags)
+
+    def __eq__(self, other):
+        if not isinstance(other, ExportEntry):
+            result = False
+        else:
+            result = (self.name == other.name and self.prefix == other.prefix
+                      and self.suffix == other.suffix
+                      and self.flags == other.flags)
+        return result
+
+    __hash__ = object.__hash__
+
+
+ENTRY_RE = re.compile(
+    r'''(?P<name>([^\[]\S*))
+                      \s*=\s*(?P<callable>(\w+)([:\.]\w+)*)
+                      \s*(\[\s*(?P<flags>[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])?
+                      ''', re.VERBOSE)
+
+
+def get_export_entry(specification):
+    m = ENTRY_RE.search(specification)
+    if not m:
+        result = None
+        if '[' in specification or ']' in specification:
+            raise DistlibException("Invalid specification "
+                                   "'%s'" % specification)
+    else:
+        d = m.groupdict()
+        name = d['name']
+        path = d['callable']
+        colons = path.count(':')
+        if colons == 0:
+            prefix, suffix = path, None
+        else:
+            if colons != 1:
+                raise DistlibException("Invalid specification "
+                                       "'%s'" % specification)
+            prefix, suffix = path.split(':')
+        flags = d['flags']
+        if flags is None:
+            if '[' in specification or ']' in specification:
+                raise DistlibException("Invalid specification "
+                                       "'%s'" % specification)
+            flags = []
+        else:
+            flags = [f.strip() for f in flags.split(',')]
+        result = ExportEntry(name, prefix, suffix, flags)
+    return result
+
+
+def get_cache_base(suffix=None):
+    """
+    Return the default base location for distlib caches. If the directory does
+    not exist, it is created. Use the suffix provided for the base directory,
+    and default to '.distlib' if it isn't provided.
+
+    On Windows, if LOCALAPPDATA is defined in the environment, then it is
+    assumed to be a directory, and will be the parent directory of the result.
+    On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home
+    directory - using os.expanduser('~') - will be the parent directory of
+    the result.
+
+    The result is just the directory '.distlib' in the parent directory as
+    determined above, or with the name specified with ``suffix``.
+    """
+    if suffix is None:
+        suffix = '.distlib'
+    if os.name == 'nt' and 'LOCALAPPDATA' in os.environ:
+        result = os.path.expandvars('$localappdata')
+    else:
+        # Assume posix, or old Windows
+        result = os.path.expanduser('~')
+    # we use 'isdir' instead of 'exists', because we want to
+    # fail if there's a file with that name
+    if os.path.isdir(result):
+        usable = os.access(result, os.W_OK)
+        if not usable:
+            logger.warning('Directory exists but is not writable: %s', result)
+    else:
+        try:
+            os.makedirs(result)
+            usable = True
+        except OSError:
+            logger.warning('Unable to create %s', result, exc_info=True)
+            usable = False
+    if not usable:
+        result = tempfile.mkdtemp()
+        logger.warning('Default location unusable, using %s', result)
+    return os.path.join(result, suffix)
+
+
+def path_to_cache_dir(path):
+    """
+    Convert an absolute path to a directory name for use in a cache.
+
+    The algorithm used is:
+
+    #. On Windows, any ``':'`` in the drive is replaced with ``'---'``.
+    #. Any occurrence of ``os.sep`` is replaced with ``'--'``.
+    #. ``'.cache'`` is appended.
+    """
+    d, p = os.path.splitdrive(os.path.abspath(path))
+    if d:
+        d = d.replace(':', '---')
+    p = p.replace(os.sep, '--')
+    return d + p + '.cache'
+
+
+def ensure_slash(s):
+    if not s.endswith('/'):
+        return s + '/'
+    return s
+
+
+def parse_credentials(netloc):
+    username = password = None
+    if '@' in netloc:
+        prefix, netloc = netloc.rsplit('@', 1)
+        if ':' not in prefix:
+            username = prefix
+        else:
+            username, password = prefix.split(':', 1)
+    if username:
+        username = unquote(username)
+    if password:
+        password = unquote(password)
+    return username, password, netloc
+
+
+def get_process_umask():
+    result = os.umask(0o22)
+    os.umask(result)
+    return result
+
+
+def is_string_sequence(seq):
+    result = True
+    i = None
+    for i, s in enumerate(seq):
+        if not isinstance(s, string_types):
+            result = False
+            break
+    assert i is not None
+    return result
+
+
+PROJECT_NAME_AND_VERSION = re.compile(
+    '([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-'
+    '([a-z0-9_.+-]+)', re.I)
+PYTHON_VERSION = re.compile(r'-py(\d\.?\d?)')
+
+
+def split_filename(filename, project_name=None):
+    """
+    Extract name, version, python version from a filename (no extension)
+
+    Return name, version, pyver or None
+    """
+    result = None
+    pyver = None
+    filename = unquote(filename).replace(' ', '-')
+    m = PYTHON_VERSION.search(filename)
+    if m:
+        pyver = m.group(1)
+        filename = filename[:m.start()]
+    if project_name and len(filename) > len(project_name) + 1:
+        m = re.match(re.escape(project_name) + r'\b', filename)
+        if m:
+            n = m.end()
+            result = filename[:n], filename[n + 1:], pyver
+    if result is None:
+        m = PROJECT_NAME_AND_VERSION.match(filename)
+        if m:
+            result = m.group(1), m.group(3), pyver
+    return result
+
+
+# Allow spaces in name because of legacy dists like "Twisted Core"
+NAME_VERSION_RE = re.compile(r'(?P<name>[\w .-]+)\s*'
+                             r'\(\s*(?P<ver>[^\s)]+)\)$')
+
+
+def parse_name_and_version(p):
+    """
+    A utility method used to get name and version from a string.
+
+    From e.g. a Provides-Dist value.
+
+    :param p: A value in a form 'foo (1.0)'
+    :return: The name and version as a tuple.
+    """
+    m = NAME_VERSION_RE.match(p)
+    if not m:
+        raise DistlibException('Ill-formed name/version string: \'%s\'' % p)
+    d = m.groupdict()
+    return d['name'].strip().lower(), d['ver']
+
+
+def get_extras(requested, available):
+    result = set()
+    requested = set(requested or [])
+    available = set(available or [])
+    if '*' in requested:
+        requested.remove('*')
+        result |= available
+    for r in requested:
+        if r == '-':
+            result.add(r)
+        elif r.startswith('-'):
+            unwanted = r[1:]
+            if unwanted not in available:
+                logger.warning('undeclared extra: %s' % unwanted)
+            if unwanted in result:
+                result.remove(unwanted)
+        else:
+            if r not in available:
+                logger.warning('undeclared extra: %s' % r)
+            result.add(r)
+    return result
+
+
+#
+# Extended metadata functionality
+#
+
+
+def _get_external_data(url):
+    result = {}
+    try:
+        # urlopen might fail if it runs into redirections,
+        # because of Python issue #13696. Fixed in locators
+        # using a custom redirect handler.
+        resp = urlopen(url)
+        headers = resp.info()
+        ct = headers.get('Content-Type')
+        if not ct.startswith('application/json'):
+            logger.debug('Unexpected response for JSON request: %s', ct)
+        else:
+            reader = codecs.getreader('utf-8')(resp)
+            # data = reader.read().decode('utf-8')
+            # result = json.loads(data)
+            result = json.load(reader)
+    except Exception as e:
+        logger.exception('Failed to get external data for %s: %s', url, e)
+    return result
+
+
+_external_data_base_url = 'https://www.red-dove.com/pypi/projects/'
+
+
+def get_project_data(name):
+    url = '%s/%s/project.json' % (name[0].upper(), name)
+    url = urljoin(_external_data_base_url, url)
+    result = _get_external_data(url)
+    return result
+
+
+def get_package_data(name, version):
+    url = '%s/%s/package-%s.json' % (name[0].upper(), name, version)
+    url = urljoin(_external_data_base_url, url)
+    return _get_external_data(url)
+
+
+class Cache(object):
+    """
+    A class implementing a cache for resources that need to live in the file system
+    e.g. shared libraries. This class was moved from resources to here because it
+    could be used by other modules, e.g. the wheel module.
+    """
+
+    def __init__(self, base):
+        """
+        Initialise an instance.
+
+        :param base: The base directory where the cache should be located.
+        """
+        # we use 'isdir' instead of 'exists', because we want to
+        # fail if there's a file with that name
+        if not os.path.isdir(base):  # pragma: no cover
+            os.makedirs(base)
+        if (os.stat(base).st_mode & 0o77) != 0:
+            logger.warning('Directory \'%s\' is not private', base)
+        self.base = os.path.abspath(os.path.normpath(base))
+
+    def prefix_to_dir(self, prefix):
+        """
+        Converts a resource prefix to a directory name in the cache.
+        """
+        return path_to_cache_dir(prefix)
+
+    def clear(self):
+        """
+        Clear the cache.
+        """
+        not_removed = []
+        for fn in os.listdir(self.base):
+            fn = os.path.join(self.base, fn)
+            try:
+                if os.path.islink(fn) or os.path.isfile(fn):
+                    os.remove(fn)
+                elif os.path.isdir(fn):
+                    shutil.rmtree(fn)
+            except Exception:
+                not_removed.append(fn)
+        return not_removed
+
+
+class EventMixin(object):
+    """
+    A very simple publish/subscribe system.
+    """
+
+    def __init__(self):
+        self._subscribers = {}
+
+    def add(self, event, subscriber, append=True):
+        """
+        Add a subscriber for an event.
+
+        :param event: The name of an event.
+        :param subscriber: The subscriber to be added (and called when the
+                           event is published).
+        :param append: Whether to append or prepend the subscriber to an
+                       existing subscriber list for the event.
+        """
+        subs = self._subscribers
+        if event not in subs:
+            subs[event] = deque([subscriber])
+        else:
+            sq = subs[event]
+            if append:
+                sq.append(subscriber)
+            else:
+                sq.appendleft(subscriber)
+
+    def remove(self, event, subscriber):
+        """
+        Remove a subscriber for an event.
+
+        :param event: The name of an event.
+        :param subscriber: The subscriber to be removed.
+        """
+        subs = self._subscribers
+        if event not in subs:
+            raise ValueError('No subscribers: %r' % event)
+        subs[event].remove(subscriber)
+
+    def get_subscribers(self, event):
+        """
+        Return an iterator for the subscribers for an event.
+        :param event: The event to return subscribers for.
+        """
+        return iter(self._subscribers.get(event, ()))
+
+    def publish(self, event, *args, **kwargs):
+        """
+        Publish a event and return a list of values returned by its
+        subscribers.
+
+        :param event: The event to publish.
+        :param args: The positional arguments to pass to the event's
+                     subscribers.
+        :param kwargs: The keyword arguments to pass to the event's
+                       subscribers.
+        """
+        result = []
+        for subscriber in self.get_subscribers(event):
+            try:
+                value = subscriber(event, *args, **kwargs)
+            except Exception:
+                logger.exception('Exception during event publication')
+                value = None
+            result.append(value)
+        logger.debug('publish %s: args = %s, kwargs = %s, result = %s', event,
+                     args, kwargs, result)
+        return result
+
+
+#
+# Simple sequencing
+#
+class Sequencer(object):
+
+    def __init__(self):
+        self._preds = {}
+        self._succs = {}
+        self._nodes = set()  # nodes with no preds/succs
+
+    def add_node(self, node):
+        self._nodes.add(node)
+
+    def remove_node(self, node, edges=False):
+        if node in self._nodes:
+            self._nodes.remove(node)
+        if edges:
+            for p in set(self._preds.get(node, ())):
+                self.remove(p, node)
+            for s in set(self._succs.get(node, ())):
+                self.remove(node, s)
+            # Remove empties
+            for k, v in list(self._preds.items()):
+                if not v:
+                    del self._preds[k]
+            for k, v in list(self._succs.items()):
+                if not v:
+                    del self._succs[k]
+
+    def add(self, pred, succ):
+        assert pred != succ
+        self._preds.setdefault(succ, set()).add(pred)
+        self._succs.setdefault(pred, set()).add(succ)
+
+    def remove(self, pred, succ):
+        assert pred != succ
+        try:
+            preds = self._preds[succ]
+            succs = self._succs[pred]
+        except KeyError:  # pragma: no cover
+            raise ValueError('%r not a successor of anything' % succ)
+        try:
+            preds.remove(pred)
+            succs.remove(succ)
+        except KeyError:  # pragma: no cover
+            raise ValueError('%r not a successor of %r' % (succ, pred))
+
+    def is_step(self, step):
+        return (step in self._preds or step in self._succs
+                or step in self._nodes)
+
+    def get_steps(self, final):
+        if not self.is_step(final):
+            raise ValueError('Unknown: %r' % final)
+        result = []
+        todo = []
+        seen = set()
+        todo.append(final)
+        while todo:
+            step = todo.pop(0)
+            if step in seen:
+                # if a step was already seen,
+                # move it to the end (so it will appear earlier
+                # when reversed on return) ... but not for the
+                # final step, as that would be confusing for
+                # users
+                if step != final:
+                    result.remove(step)
+                    result.append(step)
+            else:
+                seen.add(step)
+                result.append(step)
+                preds = self._preds.get(step, ())
+                todo.extend(preds)
+        return reversed(result)
+
+    @property
+    def strong_connections(self):
+        # http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm
+        index_counter = [0]
+        stack = []
+        lowlinks = {}
+        index = {}
+        result = []
+
+        graph = self._succs
+
+        def strongconnect(node):
+            # set the depth index for this node to the smallest unused index
+            index[node] = index_counter[0]
+            lowlinks[node] = index_counter[0]
+            index_counter[0] += 1
+            stack.append(node)
+
+            # Consider successors
+            try:
+                successors = graph[node]
+            except Exception:
+                successors = []
+            for successor in successors:
+                if successor not in lowlinks:
+                    # Successor has not yet been visited
+                    strongconnect(successor)
+                    lowlinks[node] = min(lowlinks[node], lowlinks[successor])
+                elif successor in stack:
+                    # the successor is in the stack and hence in the current
+                    # strongly connected component (SCC)
+                    lowlinks[node] = min(lowlinks[node], index[successor])
+
+            # If `node` is a root node, pop the stack and generate an SCC
+            if lowlinks[node] == index[node]:
+                connected_component = []
+
+                while True:
+                    successor = stack.pop()
+                    connected_component.append(successor)
+                    if successor == node:
+                        break
+                component = tuple(connected_component)
+                # storing the result
+                result.append(component)
+
+        for node in graph:
+            if node not in lowlinks:
+                strongconnect(node)
+
+        return result
+
+    @property
+    def dot(self):
+        result = ['digraph G {']
+        for succ in self._preds:
+            preds = self._preds[succ]
+            for pred in preds:
+                result.append('  %s -> %s;' % (pred, succ))
+        for node in self._nodes:
+            result.append('  %s;' % node)
+        result.append('}')
+        return '\n'.join(result)
+
+
+#
+# Unarchiving functionality for zip, tar, tgz, tbz, whl
+#
+
+ARCHIVE_EXTENSIONS = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz',
+                      '.whl')
+
+
+def unarchive(archive_filename, dest_dir, format=None, check=True):
+
+    def check_path(path):
+        if not isinstance(path, text_type):
+            path = path.decode('utf-8')
+        p = os.path.abspath(os.path.join(dest_dir, path))
+        if not p.startswith(dest_dir) or p[plen] != os.sep:
+            raise ValueError('path outside destination: %r' % p)
+
+    dest_dir = os.path.abspath(dest_dir)
+    plen = len(dest_dir)
+    archive = None
+    if format is None:
+        if archive_filename.endswith(('.zip', '.whl')):
+            format = 'zip'
+        elif archive_filename.endswith(('.tar.gz', '.tgz')):
+            format = 'tgz'
+            mode = 'r:gz'
+        elif archive_filename.endswith(('.tar.bz2', '.tbz')):
+            format = 'tbz'
+            mode = 'r:bz2'
+        elif archive_filename.endswith('.tar'):
+            format = 'tar'
+            mode = 'r'
+        else:  # pragma: no cover
+            raise ValueError('Unknown format for %r' % archive_filename)
+    try:
+        if format == 'zip':
+            archive = ZipFile(archive_filename, 'r')
+            if check:
+                names = archive.namelist()
+                for name in names:
+                    check_path(name)
+        else:
+            archive = tarfile.open(archive_filename, mode)
+            if check:
+                names = archive.getnames()
+                for name in names:
+                    check_path(name)
+        if format != 'zip' and sys.version_info[0] < 3:
+            # See Python issue 17153. If the dest path contains Unicode,
+            # tarfile extraction fails on Python 2.x if a member path name
+            # contains non-ASCII characters - it leads to an implicit
+            # bytes -> unicode conversion using ASCII to decode.
+            for tarinfo in archive.getmembers():
+                if not isinstance(tarinfo.name, text_type):
+                    tarinfo.name = tarinfo.name.decode('utf-8')
+
+        # Limit extraction of dangerous items, if this Python
+        # allows it easily. If not, just trust the input.
+        # See: https://docs.python.org/3/library/tarfile.html#extraction-filters
+        def extraction_filter(member, path):
+            """Run tarfile.tar_filter, but raise the expected ValueError"""
+            # This is only called if the current Python has tarfile filters
+            try:
+                return tarfile.tar_filter(member, path)
+            except tarfile.FilterError as exc:
+                raise ValueError(str(exc))
+
+        archive.extraction_filter = extraction_filter
+
+        archive.extractall(dest_dir)
+
+    finally:
+        if archive:
+            archive.close()
+
+
+def zip_dir(directory):
+    """zip a directory tree into a BytesIO object"""
+    result = io.BytesIO()
+    dlen = len(directory)
+    with ZipFile(result, "w") as zf:
+        for root, dirs, files in os.walk(directory):
+            for name in files:
+                full = os.path.join(root, name)
+                rel = root[dlen:]
+                dest = os.path.join(rel, name)
+                zf.write(full, dest)
+    return result
+
+
+#
+# Simple progress bar
+#
+
+UNITS = ('', 'K', 'M', 'G', 'T', 'P')
+
+
+class Progress(object):
+    unknown = 'UNKNOWN'
+
+    def __init__(self, minval=0, maxval=100):
+        assert maxval is None or maxval >= minval
+        self.min = self.cur = minval
+        self.max = maxval
+        self.started = None
+        self.elapsed = 0
+        self.done = False
+
+    def update(self, curval):
+        assert self.min <= curval
+        assert self.max is None or curval <= self.max
+        self.cur = curval
+        now = time.time()
+        if self.started is None:
+            self.started = now
+        else:
+            self.elapsed = now - self.started
+
+    def increment(self, incr):
+        assert incr >= 0
+        self.update(self.cur + incr)
+
+    def start(self):
+        self.update(self.min)
+        return self
+
+    def stop(self):
+        if self.max is not None:
+            self.update(self.max)
+        self.done = True
+
+    @property
+    def maximum(self):
+        return self.unknown if self.max is None else self.max
+
+    @property
+    def percentage(self):
+        if self.done:
+            result = '100 %'
+        elif self.max is None:
+            result = ' ?? %'
+        else:
+            v = 100.0 * (self.cur - self.min) / (self.max - self.min)
+            result = '%3d %%' % v
+        return result
+
+    def format_duration(self, duration):
+        if (duration <= 0) and self.max is None or self.cur == self.min:
+            result = '??:??:??'
+        # elif duration < 1:
+        #     result = '--:--:--'
+        else:
+            result = time.strftime('%H:%M:%S', time.gmtime(duration))
+        return result
+
+    @property
+    def ETA(self):
+        if self.done:
+            prefix = 'Done'
+            t = self.elapsed
+            # import pdb; pdb.set_trace()
+        else:
+            prefix = 'ETA '
+            if self.max is None:
+                t = -1
+            elif self.elapsed == 0 or (self.cur == self.min):
+                t = 0
+            else:
+                # import pdb; pdb.set_trace()
+                t = float(self.max - self.min)
+                t /= self.cur - self.min
+                t = (t - 1) * self.elapsed
+        return '%s: %s' % (prefix, self.format_duration(t))
+
+    @property
+    def speed(self):
+        if self.elapsed == 0:
+            result = 0.0
+        else:
+            result = (self.cur - self.min) / self.elapsed
+        for unit in UNITS:
+            if result < 1000:
+                break
+            result /= 1000.0
+        return '%d %sB/s' % (result, unit)
+
+
+#
+# Glob functionality
+#
+
+RICH_GLOB = re.compile(r'\{([^}]*)\}')
+_CHECK_RECURSIVE_GLOB = re.compile(r'[^/\\,{]\*\*|\*\*[^/\\,}]')
+_CHECK_MISMATCH_SET = re.compile(r'^[^{]*\}|\{[^}]*$')
+
+
+def iglob(path_glob):
+    """Extended globbing function that supports ** and {opt1,opt2,opt3}."""
+    if _CHECK_RECURSIVE_GLOB.search(path_glob):
+        msg = """invalid glob %r: recursive glob "**" must be used alone"""
+        raise ValueError(msg % path_glob)
+    if _CHECK_MISMATCH_SET.search(path_glob):
+        msg = """invalid glob %r: mismatching set marker '{' or '}'"""
+        raise ValueError(msg % path_glob)
+    return _iglob(path_glob)
+
+
+def _iglob(path_glob):
+    rich_path_glob = RICH_GLOB.split(path_glob, 1)
+    if len(rich_path_glob) > 1:
+        assert len(rich_path_glob) == 3, rich_path_glob
+        prefix, set, suffix = rich_path_glob
+        for item in set.split(','):
+            for path in _iglob(''.join((prefix, item, suffix))):
+                yield path
+    else:
+        if '**' not in path_glob:
+            for item in std_iglob(path_glob):
+                yield item
+        else:
+            prefix, radical = path_glob.split('**', 1)
+            if prefix == '':
+                prefix = '.'
+            if radical == '':
+                radical = '*'
+            else:
+                # we support both
+                radical = radical.lstrip('/')
+                radical = radical.lstrip('\\')
+            for path, dir, files in os.walk(prefix):
+                path = os.path.normpath(path)
+                for fn in _iglob(os.path.join(path, radical)):
+                    yield fn
+
+
+if ssl:
+    from .compat import (HTTPSHandler as BaseHTTPSHandler, match_hostname,
+                         CertificateError)
+
+    #
+    # HTTPSConnection which verifies certificates/matches domains
+    #
+
+    class HTTPSConnection(httplib.HTTPSConnection):
+        ca_certs = None  # set this to the path to the certs file (.pem)
+        check_domain = True  # only used if ca_certs is not None
+
+        # noinspection PyPropertyAccess
+        def connect(self):
+            sock = socket.create_connection((self.host, self.port),
+                                            self.timeout)
+            if getattr(self, '_tunnel_host', False):
+                self.sock = sock
+                self._tunnel()
+
+            context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+            if hasattr(ssl, 'OP_NO_SSLv2'):
+                context.options |= ssl.OP_NO_SSLv2
+            if getattr(self, 'cert_file', None):
+                context.load_cert_chain(self.cert_file, self.key_file)
+            kwargs = {}
+            if self.ca_certs:
+                context.verify_mode = ssl.CERT_REQUIRED
+                context.load_verify_locations(cafile=self.ca_certs)
+                if getattr(ssl, 'HAS_SNI', False):
+                    kwargs['server_hostname'] = self.host
+
+            self.sock = context.wrap_socket(sock, **kwargs)
+            if self.ca_certs and self.check_domain:
+                try:
+                    match_hostname(self.sock.getpeercert(), self.host)
+                    logger.debug('Host verified: %s', self.host)
+                except CertificateError:  # pragma: no cover
+                    self.sock.shutdown(socket.SHUT_RDWR)
+                    self.sock.close()
+                    raise
+
+    class HTTPSHandler(BaseHTTPSHandler):
+
+        def __init__(self, ca_certs, check_domain=True):
+            BaseHTTPSHandler.__init__(self)
+            self.ca_certs = ca_certs
+            self.check_domain = check_domain
+
+        def _conn_maker(self, *args, **kwargs):
+            """
+            This is called to create a connection instance. Normally you'd
+            pass a connection class to do_open, but it doesn't actually check for
+            a class, and just expects a callable. As long as we behave just as a
+            constructor would have, we should be OK. If it ever changes so that
+            we *must* pass a class, we'll create an UnsafeHTTPSConnection class
+            which just sets check_domain to False in the class definition, and
+            choose which one to pass to do_open.
+            """
+            result = HTTPSConnection(*args, **kwargs)
+            if self.ca_certs:
+                result.ca_certs = self.ca_certs
+                result.check_domain = self.check_domain
+            return result
+
+        def https_open(self, req):
+            try:
+                return self.do_open(self._conn_maker, req)
+            except URLError as e:
+                if 'certificate verify failed' in str(e.reason):
+                    raise CertificateError(
+                        'Unable to verify server certificate '
+                        'for %s' % req.host)
+                else:
+                    raise
+
+    #
+    # To prevent against mixing HTTP traffic with HTTPS (examples: A Man-In-The-
+    # Middle proxy using HTTP listens on port 443, or an index mistakenly serves
+    # HTML containing a http://xyz link when it should be https://xyz),
+    # you can use the following handler class, which does not allow HTTP traffic.
+    #
+    # It works by inheriting from HTTPHandler - so build_opener won't add a
+    # handler for HTTP itself.
+    #
+    class HTTPSOnlyHandler(HTTPSHandler, HTTPHandler):
+
+        def http_open(self, req):
+            raise URLError(
+                'Unexpected HTTP request on what should be a secure '
+                'connection: %s' % req)
+
+
+#
+# XML-RPC with timeouts
+#
+class Transport(xmlrpclib.Transport):
+
+    def __init__(self, timeout, use_datetime=0):
+        self.timeout = timeout
+        xmlrpclib.Transport.__init__(self, use_datetime)
+
+    def make_connection(self, host):
+        h, eh, x509 = self.get_host_info(host)
+        if not self._connection or host != self._connection[0]:
+            self._extra_headers = eh
+            self._connection = host, httplib.HTTPConnection(h)
+        return self._connection[1]
+
+
+if ssl:
+
+    class SafeTransport(xmlrpclib.SafeTransport):
+
+        def __init__(self, timeout, use_datetime=0):
+            self.timeout = timeout
+            xmlrpclib.SafeTransport.__init__(self, use_datetime)
+
+        def make_connection(self, host):
+            h, eh, kwargs = self.get_host_info(host)
+            if not kwargs:
+                kwargs = {}
+            kwargs['timeout'] = self.timeout
+            if not self._connection or host != self._connection[0]:
+                self._extra_headers = eh
+                self._connection = host, httplib.HTTPSConnection(
+                    h, None, **kwargs)
+            return self._connection[1]
+
+
+class ServerProxy(xmlrpclib.ServerProxy):
+
+    def __init__(self, uri, **kwargs):
+        self.timeout = timeout = kwargs.pop('timeout', None)
+        # The above classes only come into play if a timeout
+        # is specified
+        if timeout is not None:
+            # scheme = splittype(uri)  # deprecated as of Python 3.8
+            scheme = urlparse(uri)[0]
+            use_datetime = kwargs.get('use_datetime', 0)
+            if scheme == 'https':
+                tcls = SafeTransport
+            else:
+                tcls = Transport
+            kwargs['transport'] = t = tcls(timeout, use_datetime=use_datetime)
+            self.transport = t
+        xmlrpclib.ServerProxy.__init__(self, uri, **kwargs)
+
+
+#
+# CSV functionality. This is provided because on 2.x, the csv module can't
+# handle Unicode. However, we need to deal with Unicode in e.g. RECORD files.
+#
+
+
+def _csv_open(fn, mode, **kwargs):
+    if sys.version_info[0] < 3:
+        mode += 'b'
+    else:
+        kwargs['newline'] = ''
+        # Python 3 determines encoding from locale. Force 'utf-8'
+        # file encoding to match other forced utf-8 encoding
+        kwargs['encoding'] = 'utf-8'
+    return open(fn, mode, **kwargs)
+
+
+class CSVBase(object):
+    defaults = {
+        'delimiter': str(','),  # The strs are used because we need native
+        'quotechar': str('"'),  # str in the csv API (2.x won't take
+        'lineterminator': str('\n')  # Unicode)
+    }
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *exc_info):
+        self.stream.close()
+
+
+class CSVReader(CSVBase):
+
+    def __init__(self, **kwargs):
+        if 'stream' in kwargs:
+            stream = kwargs['stream']
+            if sys.version_info[0] >= 3:
+                # needs to be a text stream
+                stream = codecs.getreader('utf-8')(stream)
+            self.stream = stream
+        else:
+            self.stream = _csv_open(kwargs['path'], 'r')
+        self.reader = csv.reader(self.stream, **self.defaults)
+
+    def __iter__(self):
+        return self
+
+    def next(self):
+        result = next(self.reader)
+        if sys.version_info[0] < 3:
+            for i, item in enumerate(result):
+                if not isinstance(item, text_type):
+                    result[i] = item.decode('utf-8')
+        return result
+
+    __next__ = next
+
+
+class CSVWriter(CSVBase):
+
+    def __init__(self, fn, **kwargs):
+        self.stream = _csv_open(fn, 'w')
+        self.writer = csv.writer(self.stream, **self.defaults)
+
+    def writerow(self, row):
+        if sys.version_info[0] < 3:
+            r = []
+            for item in row:
+                if isinstance(item, text_type):
+                    item = item.encode('utf-8')
+                r.append(item)
+            row = r
+        self.writer.writerow(row)
+
+
+#
+#   Configurator functionality
+#
+
+
+class Configurator(BaseConfigurator):
+
+    value_converters = dict(BaseConfigurator.value_converters)
+    value_converters['inc'] = 'inc_convert'
+
+    def __init__(self, config, base=None):
+        super(Configurator, self).__init__(config)
+        self.base = base or os.getcwd()
+
+    def configure_custom(self, config):
+
+        def convert(o):
+            if isinstance(o, (list, tuple)):
+                result = type(o)([convert(i) for i in o])
+            elif isinstance(o, dict):
+                if '()' in o:
+                    result = self.configure_custom(o)
+                else:
+                    result = {}
+                    for k in o:
+                        result[k] = convert(o[k])
+            else:
+                result = self.convert(o)
+            return result
+
+        c = config.pop('()')
+        if not callable(c):
+            c = self.resolve(c)
+        props = config.pop('.', None)
+        # Check for valid identifiers
+        args = config.pop('[]', ())
+        if args:
+            args = tuple([convert(o) for o in args])
+        items = [(k, convert(config[k])) for k in config if valid_ident(k)]
+        kwargs = dict(items)
+        result = c(*args, **kwargs)
+        if props:
+            for n, v in props.items():
+                setattr(result, n, convert(v))
+        return result
+
+    def __getitem__(self, key):
+        result = self.config[key]
+        if isinstance(result, dict) and '()' in result:
+            self.config[key] = result = self.configure_custom(result)
+        return result
+
+    def inc_convert(self, value):
+        """Default converter for the inc:// protocol."""
+        if not os.path.isabs(value):
+            value = os.path.join(self.base, value)
+        with codecs.open(value, 'r', encoding='utf-8') as f:
+            result = json.load(f)
+        return result
+
+
+class SubprocessMixin(object):
+    """
+    Mixin for running subprocesses and capturing their output
+    """
+
+    def __init__(self, verbose=False, progress=None):
+        self.verbose = verbose
+        self.progress = progress
+
+    def reader(self, stream, context):
+        """
+        Read lines from a subprocess' output stream and either pass to a progress
+        callable (if specified) or write progress information to sys.stderr.
+        """
+        progress = self.progress
+        verbose = self.verbose
+        while True:
+            s = stream.readline()
+            if not s:
+                break
+            if progress is not None:
+                progress(s, context)
+            else:
+                if not verbose:
+                    sys.stderr.write('.')
+                else:
+                    sys.stderr.write(s.decode('utf-8'))
+                sys.stderr.flush()
+        stream.close()
+
+    def run_command(self, cmd, **kwargs):
+        p = subprocess.Popen(cmd,
+                             stdout=subprocess.PIPE,
+                             stderr=subprocess.PIPE,
+                             **kwargs)
+        t1 = threading.Thread(target=self.reader, args=(p.stdout, 'stdout'))
+        t1.start()
+        t2 = threading.Thread(target=self.reader, args=(p.stderr, 'stderr'))
+        t2.start()
+        p.wait()
+        t1.join()
+        t2.join()
+        if self.progress is not None:
+            self.progress('done.', 'main')
+        elif self.verbose:
+            sys.stderr.write('done.\n')
+        return p
+
+
+def normalize_name(name):
+    """Normalize a python package name a la PEP 503"""
+    # https://www.python.org/dev/peps/pep-0503/#normalized-names
+    return re.sub('[-_.]+', '-', name).lower()
+
+
+# def _get_pypirc_command():
+# """
+# Get the distutils command for interacting with PyPI configurations.
+# :return: the command.
+# """
+# from distutils.core import Distribution
+# from distutils.config import PyPIRCCommand
+# d = Distribution()
+# return PyPIRCCommand(d)
+
+
+class PyPIRCFile(object):
+
+    DEFAULT_REPOSITORY = 'https://upload.pypi.org/legacy/'
+    DEFAULT_REALM = 'pypi'
+
+    def __init__(self, fn=None, url=None):
+        if fn is None:
+            fn = os.path.join(os.path.expanduser('~'), '.pypirc')
+        self.filename = fn
+        self.url = url
+
+    def read(self):
+        result = {}
+
+        if os.path.exists(self.filename):
+            repository = self.url or self.DEFAULT_REPOSITORY
+
+            config = configparser.RawConfigParser()
+            config.read(self.filename)
+            sections = config.sections()
+            if 'distutils' in sections:
+                # let's get the list of servers
+                index_servers = config.get('distutils', 'index-servers')
+                _servers = [
+                    server.strip() for server in index_servers.split('\n')
+                    if server.strip() != ''
+                ]
+                if _servers == []:
+                    # nothing set, let's try to get the default pypi
+                    if 'pypi' in sections:
+                        _servers = ['pypi']
+                else:
+                    for server in _servers:
+                        result = {'server': server}
+                        result['username'] = config.get(server, 'username')
+
+                        # optional params
+                        for key, default in (('repository',
+                                              self.DEFAULT_REPOSITORY),
+                                             ('realm', self.DEFAULT_REALM),
+                                             ('password', None)):
+                            if config.has_option(server, key):
+                                result[key] = config.get(server, key)
+                            else:
+                                result[key] = default
+
+                        # work around people having "repository" for the "pypi"
+                        # section of their config set to the HTTP (rather than
+                        # HTTPS) URL
+                        if (server == 'pypi' and repository
+                                in (self.DEFAULT_REPOSITORY, 'pypi')):
+                            result['repository'] = self.DEFAULT_REPOSITORY
+                        elif (result['server'] != repository
+                              and result['repository'] != repository):
+                            result = {}
+            elif 'server-login' in sections:
+                # old format
+                server = 'server-login'
+                if config.has_option(server, 'repository'):
+                    repository = config.get(server, 'repository')
+                else:
+                    repository = self.DEFAULT_REPOSITORY
+                result = {
+                    'username': config.get(server, 'username'),
+                    'password': config.get(server, 'password'),
+                    'repository': repository,
+                    'server': server,
+                    'realm': self.DEFAULT_REALM
+                }
+        return result
+
+    def update(self, username, password):
+        # import pdb; pdb.set_trace()
+        config = configparser.RawConfigParser()
+        fn = self.filename
+        config.read(fn)
+        if not config.has_section('pypi'):
+            config.add_section('pypi')
+        config.set('pypi', 'username', username)
+        config.set('pypi', 'password', password)
+        with open(fn, 'w') as f:
+            config.write(f)
+
+
+def _load_pypirc(index):
+    """
+    Read the PyPI access configuration as supported by distutils.
+    """
+    return PyPIRCFile(url=index.url).read()
+
+
+def _store_pypirc(index):
+    PyPIRCFile().update(index.username, index.password)
+
+
+#
+# get_platform()/get_host_platform() copied from Python 3.10.a0 source, with some minor
+# tweaks
+#
+
+
+def get_host_platform():
+    """Return a string that identifies the current platform.  This is used mainly to
+    distinguish platform-specific build directories and platform-specific built
+    distributions.  Typically includes the OS name and version and the
+    architecture (as supplied by 'os.uname()'), although the exact information
+    included depends on the OS; eg. on Linux, the kernel version isn't
+    particularly important.
+
+    Examples of returned values:
+       linux-i586
+       linux-alpha (?)
+       solaris-2.6-sun4u
+
+    Windows will return one of:
+       win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc)
+       win32 (all others - specifically, sys.platform is returned)
+
+    For other non-POSIX platforms, currently just returns 'sys.platform'.
+
+    """
+    if os.name == 'nt':
+        if 'amd64' in sys.version.lower():
+            return 'win-amd64'
+        if '(arm)' in sys.version.lower():
+            return 'win-arm32'
+        if '(arm64)' in sys.version.lower():
+            return 'win-arm64'
+        return sys.platform
+
+    # Set for cross builds explicitly
+    if "_PYTHON_HOST_PLATFORM" in os.environ:
+        return os.environ["_PYTHON_HOST_PLATFORM"]
+
+    if os.name != 'posix' or not hasattr(os, 'uname'):
+        # XXX what about the architecture? NT is Intel or Alpha,
+        # Mac OS is M68k or PPC, etc.
+        return sys.platform
+
+    # Try to distinguish various flavours of Unix
+
+    (osname, host, release, version, machine) = os.uname()
+
+    # Convert the OS name to lowercase, remove '/' characters, and translate
+    # spaces (for "Power Macintosh")
+    osname = osname.lower().replace('/', '')
+    machine = machine.replace(' ', '_').replace('/', '-')
+
+    if osname[:5] == 'linux':
+        # At least on Linux/Intel, 'machine' is the processor --
+        # i386, etc.
+        # XXX what about Alpha, SPARC, etc?
+        return "%s-%s" % (osname, machine)
+
+    elif osname[:5] == 'sunos':
+        if release[0] >= '5':  # SunOS 5 == Solaris 2
+            osname = 'solaris'
+            release = '%d.%s' % (int(release[0]) - 3, release[2:])
+            # We can't use 'platform.architecture()[0]' because a
+            # bootstrap problem. We use a dict to get an error
+            # if some suspicious happens.
+            bitness = {2147483647: '32bit', 9223372036854775807: '64bit'}
+            machine += '.%s' % bitness[sys.maxsize]
+        # fall through to standard osname-release-machine representation
+    elif osname[:3] == 'aix':
+        from _aix_support import aix_platform
+        return aix_platform()
+    elif osname[:6] == 'cygwin':
+        osname = 'cygwin'
+        rel_re = re.compile(r'[\d.]+', re.ASCII)
+        m = rel_re.match(release)
+        if m:
+            release = m.group()
+    elif osname[:6] == 'darwin':
+        import _osx_support
+        try:
+            from distutils import sysconfig
+        except ImportError:
+            import sysconfig
+        osname, release, machine = _osx_support.get_platform_osx(
+            sysconfig.get_config_vars(), osname, release, machine)
+
+    return '%s-%s-%s' % (osname, release, machine)
+
+
+_TARGET_TO_PLAT = {
+    'x86': 'win32',
+    'x64': 'win-amd64',
+    'arm': 'win-arm32',
+}
+
+
+def get_platform():
+    if os.name != 'nt':
+        return get_host_platform()
+    cross_compilation_target = os.environ.get('VSCMD_ARG_TGT_ARCH')
+    if cross_compilation_target not in _TARGET_TO_PLAT:
+        return get_host_platform()
+    return _TARGET_TO_PLAT[cross_compilation_target]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/version.py
new file mode 100644
index 00000000..14171ac9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/version.py
@@ -0,0 +1,751 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2023 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""
+Implementation of a flexible versioning scheme providing support for PEP-440,
+setuptools-compatible and semantic versioning.
+"""
+
+import logging
+import re
+
+from .compat import string_types
+from .util import parse_requirement
+
+__all__ = ['NormalizedVersion', 'NormalizedMatcher',
+           'LegacyVersion', 'LegacyMatcher',
+           'SemanticVersion', 'SemanticMatcher',
+           'UnsupportedVersionError', 'get_scheme']
+
+logger = logging.getLogger(__name__)
+
+
+class UnsupportedVersionError(ValueError):
+    """This is an unsupported version."""
+    pass
+
+
+class Version(object):
+    def __init__(self, s):
+        self._string = s = s.strip()
+        self._parts = parts = self.parse(s)
+        assert isinstance(parts, tuple)
+        assert len(parts) > 0
+
+    def parse(self, s):
+        raise NotImplementedError('please implement in a subclass')
+
+    def _check_compatible(self, other):
+        if type(self) != type(other):
+            raise TypeError('cannot compare %r and %r' % (self, other))
+
+    def __eq__(self, other):
+        self._check_compatible(other)
+        return self._parts == other._parts
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __lt__(self, other):
+        self._check_compatible(other)
+        return self._parts < other._parts
+
+    def __gt__(self, other):
+        return not (self.__lt__(other) or self.__eq__(other))
+
+    def __le__(self, other):
+        return self.__lt__(other) or self.__eq__(other)
+
+    def __ge__(self, other):
+        return self.__gt__(other) or self.__eq__(other)
+
+    # See http://docs.python.org/reference/datamodel#object.__hash__
+    def __hash__(self):
+        return hash(self._parts)
+
+    def __repr__(self):
+        return "%s('%s')" % (self.__class__.__name__, self._string)
+
+    def __str__(self):
+        return self._string
+
+    @property
+    def is_prerelease(self):
+        raise NotImplementedError('Please implement in subclasses.')
+
+
+class Matcher(object):
+    version_class = None
+
+    # value is either a callable or the name of a method
+    _operators = {
+        '<': lambda v, c, p: v < c,
+        '>': lambda v, c, p: v > c,
+        '<=': lambda v, c, p: v == c or v < c,
+        '>=': lambda v, c, p: v == c or v > c,
+        '==': lambda v, c, p: v == c,
+        '===': lambda v, c, p: v == c,
+        # by default, compatible => >=.
+        '~=': lambda v, c, p: v == c or v > c,
+        '!=': lambda v, c, p: v != c,
+    }
+
+    # this is a method only to support alternative implementations
+    # via overriding
+    def parse_requirement(self, s):
+        return parse_requirement(s)
+
+    def __init__(self, s):
+        if self.version_class is None:
+            raise ValueError('Please specify a version class')
+        self._string = s = s.strip()
+        r = self.parse_requirement(s)
+        if not r:
+            raise ValueError('Not valid: %r' % s)
+        self.name = r.name
+        self.key = self.name.lower()    # for case-insensitive comparisons
+        clist = []
+        if r.constraints:
+            # import pdb; pdb.set_trace()
+            for op, s in r.constraints:
+                if s.endswith('.*'):
+                    if op not in ('==', '!='):
+                        raise ValueError('\'.*\' not allowed for '
+                                         '%r constraints' % op)
+                    # Could be a partial version (e.g. for '2.*') which
+                    # won't parse as a version, so keep it as a string
+                    vn, prefix = s[:-2], True
+                    # Just to check that vn is a valid version
+                    self.version_class(vn)
+                else:
+                    # Should parse as a version, so we can create an
+                    # instance for the comparison
+                    vn, prefix = self.version_class(s), False
+                clist.append((op, vn, prefix))
+        self._parts = tuple(clist)
+
+    def match(self, version):
+        """
+        Check if the provided version matches the constraints.
+
+        :param version: The version to match against this instance.
+        :type version: String or :class:`Version` instance.
+        """
+        if isinstance(version, string_types):
+            version = self.version_class(version)
+        for operator, constraint, prefix in self._parts:
+            f = self._operators.get(operator)
+            if isinstance(f, string_types):
+                f = getattr(self, f)
+            if not f:
+                msg = ('%r not implemented '
+                       'for %s' % (operator, self.__class__.__name__))
+                raise NotImplementedError(msg)
+            if not f(version, constraint, prefix):
+                return False
+        return True
+
+    @property
+    def exact_version(self):
+        result = None
+        if len(self._parts) == 1 and self._parts[0][0] in ('==', '==='):
+            result = self._parts[0][1]
+        return result
+
+    def _check_compatible(self, other):
+        if type(self) != type(other) or self.name != other.name:
+            raise TypeError('cannot compare %s and %s' % (self, other))
+
+    def __eq__(self, other):
+        self._check_compatible(other)
+        return self.key == other.key and self._parts == other._parts
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    # See http://docs.python.org/reference/datamodel#object.__hash__
+    def __hash__(self):
+        return hash(self.key) + hash(self._parts)
+
+    def __repr__(self):
+        return "%s(%r)" % (self.__class__.__name__, self._string)
+
+    def __str__(self):
+        return self._string
+
+
+PEP440_VERSION_RE = re.compile(r'^v?(\d+!)?(\d+(\.\d+)*)((a|alpha|b|beta|c|rc|pre|preview)(\d+)?)?'
+                               r'(\.(post|r|rev)(\d+)?)?([._-]?(dev)(\d+)?)?'
+                               r'(\+([a-zA-Z\d]+(\.[a-zA-Z\d]+)?))?$', re.I)
+
+
+def _pep_440_key(s):
+    s = s.strip()
+    m = PEP440_VERSION_RE.match(s)
+    if not m:
+        raise UnsupportedVersionError('Not a valid version: %s' % s)
+    groups = m.groups()
+    nums = tuple(int(v) for v in groups[1].split('.'))
+    while len(nums) > 1 and nums[-1] == 0:
+        nums = nums[:-1]
+
+    if not groups[0]:
+        epoch = 0
+    else:
+        epoch = int(groups[0][:-1])
+    pre = groups[4:6]
+    post = groups[7:9]
+    dev = groups[10:12]
+    local = groups[13]
+    if pre == (None, None):
+        pre = ()
+    else:
+        if pre[1] is None:
+            pre = pre[0], 0
+        else:
+            pre = pre[0], int(pre[1])
+    if post == (None, None):
+        post = ()
+    else:
+        if post[1] is None:
+            post = post[0], 0
+        else:
+            post = post[0], int(post[1])
+    if dev == (None, None):
+        dev = ()
+    else:
+        if dev[1] is None:
+            dev = dev[0], 0
+        else:
+            dev = dev[0], int(dev[1])
+    if local is None:
+        local = ()
+    else:
+        parts = []
+        for part in local.split('.'):
+            # to ensure that numeric compares as > lexicographic, avoid
+            # comparing them directly, but encode a tuple which ensures
+            # correct sorting
+            if part.isdigit():
+                part = (1, int(part))
+            else:
+                part = (0, part)
+            parts.append(part)
+        local = tuple(parts)
+    if not pre:
+        # either before pre-release, or final release and after
+        if not post and dev:
+            # before pre-release
+            pre = ('a', -1)     # to sort before a0
+        else:
+            pre = ('z',)        # to sort after all pre-releases
+    # now look at the state of post and dev.
+    if not post:
+        post = ('_',)   # sort before 'a'
+    if not dev:
+        dev = ('final',)
+
+    return epoch, nums, pre, post, dev, local
+
+
+_normalized_key = _pep_440_key
+
+
+class NormalizedVersion(Version):
+    """A rational version.
+
+    Good:
+        1.2         # equivalent to "1.2.0"
+        1.2.0
+        1.2a1
+        1.2.3a2
+        1.2.3b1
+        1.2.3c1
+        1.2.3.4
+        TODO: fill this out
+
+    Bad:
+        1           # minimum two numbers
+        1.2a        # release level must have a release serial
+        1.2.3b
+    """
+    def parse(self, s):
+        result = _normalized_key(s)
+        # _normalized_key loses trailing zeroes in the release
+        # clause, since that's needed to ensure that X.Y == X.Y.0 == X.Y.0.0
+        # However, PEP 440 prefix matching needs it: for example,
+        # (~= 1.4.5.0) matches differently to (~= 1.4.5.0.0).
+        m = PEP440_VERSION_RE.match(s)      # must succeed
+        groups = m.groups()
+        self._release_clause = tuple(int(v) for v in groups[1].split('.'))
+        return result
+
+    PREREL_TAGS = set(['a', 'b', 'c', 'rc', 'dev'])
+
+    @property
+    def is_prerelease(self):
+        return any(t[0] in self.PREREL_TAGS for t in self._parts if t)
+
+
+def _match_prefix(x, y):
+    x = str(x)
+    y = str(y)
+    if x == y:
+        return True
+    if not x.startswith(y):
+        return False
+    n = len(y)
+    return x[n] == '.'
+
+
+class NormalizedMatcher(Matcher):
+    version_class = NormalizedVersion
+
+    # value is either a callable or the name of a method
+    _operators = {
+        '~=': '_match_compatible',
+        '<': '_match_lt',
+        '>': '_match_gt',
+        '<=': '_match_le',
+        '>=': '_match_ge',
+        '==': '_match_eq',
+        '===': '_match_arbitrary',
+        '!=': '_match_ne',
+    }
+
+    def _adjust_local(self, version, constraint, prefix):
+        if prefix:
+            strip_local = '+' not in constraint and version._parts[-1]
+        else:
+            # both constraint and version are
+            # NormalizedVersion instances.
+            # If constraint does not have a local component,
+            # ensure the version doesn't, either.
+            strip_local = not constraint._parts[-1] and version._parts[-1]
+        if strip_local:
+            s = version._string.split('+', 1)[0]
+            version = self.version_class(s)
+        return version, constraint
+
+    def _match_lt(self, version, constraint, prefix):
+        version, constraint = self._adjust_local(version, constraint, prefix)
+        if version >= constraint:
+            return False
+        release_clause = constraint._release_clause
+        pfx = '.'.join([str(i) for i in release_clause])
+        return not _match_prefix(version, pfx)
+
+    def _match_gt(self, version, constraint, prefix):
+        version, constraint = self._adjust_local(version, constraint, prefix)
+        if version <= constraint:
+            return False
+        release_clause = constraint._release_clause
+        pfx = '.'.join([str(i) for i in release_clause])
+        return not _match_prefix(version, pfx)
+
+    def _match_le(self, version, constraint, prefix):
+        version, constraint = self._adjust_local(version, constraint, prefix)
+        return version <= constraint
+
+    def _match_ge(self, version, constraint, prefix):
+        version, constraint = self._adjust_local(version, constraint, prefix)
+        return version >= constraint
+
+    def _match_eq(self, version, constraint, prefix):
+        version, constraint = self._adjust_local(version, constraint, prefix)
+        if not prefix:
+            result = (version == constraint)
+        else:
+            result = _match_prefix(version, constraint)
+        return result
+
+    def _match_arbitrary(self, version, constraint, prefix):
+        return str(version) == str(constraint)
+
+    def _match_ne(self, version, constraint, prefix):
+        version, constraint = self._adjust_local(version, constraint, prefix)
+        if not prefix:
+            result = (version != constraint)
+        else:
+            result = not _match_prefix(version, constraint)
+        return result
+
+    def _match_compatible(self, version, constraint, prefix):
+        version, constraint = self._adjust_local(version, constraint, prefix)
+        if version == constraint:
+            return True
+        if version < constraint:
+            return False
+#        if not prefix:
+#            return True
+        release_clause = constraint._release_clause
+        if len(release_clause) > 1:
+            release_clause = release_clause[:-1]
+        pfx = '.'.join([str(i) for i in release_clause])
+        return _match_prefix(version, pfx)
+
+
+_REPLACEMENTS = (
+    (re.compile('[.+-]$'), ''),                     # remove trailing puncts
+    (re.compile(r'^[.](\d)'), r'0.\1'),             # .N -> 0.N at start
+    (re.compile('^[.-]'), ''),                      # remove leading puncts
+    (re.compile(r'^\((.*)\)$'), r'\1'),             # remove parentheses
+    (re.compile(r'^v(ersion)?\s*(\d+)'), r'\2'),    # remove leading v(ersion)
+    (re.compile(r'^r(ev)?\s*(\d+)'), r'\2'),        # remove leading v(ersion)
+    (re.compile('[.]{2,}'), '.'),                   # multiple runs of '.'
+    (re.compile(r'\b(alfa|apha)\b'), 'alpha'),      # misspelt alpha
+    (re.compile(r'\b(pre-alpha|prealpha)\b'),
+        'pre.alpha'),                               # standardise
+    (re.compile(r'\(beta\)$'), 'beta'),             # remove parentheses
+)
+
+_SUFFIX_REPLACEMENTS = (
+    (re.compile('^[:~._+-]+'), ''),                   # remove leading puncts
+    (re.compile('[,*")([\\]]'), ''),                  # remove unwanted chars
+    (re.compile('[~:+_ -]'), '.'),                    # replace illegal chars
+    (re.compile('[.]{2,}'), '.'),                   # multiple runs of '.'
+    (re.compile(r'\.$'), ''),                       # trailing '.'
+)
+
+_NUMERIC_PREFIX = re.compile(r'(\d+(\.\d+)*)')
+
+
+def _suggest_semantic_version(s):
+    """
+    Try to suggest a semantic form for a version for which
+    _suggest_normalized_version couldn't come up with anything.
+    """
+    result = s.strip().lower()
+    for pat, repl in _REPLACEMENTS:
+        result = pat.sub(repl, result)
+    if not result:
+        result = '0.0.0'
+
+    # Now look for numeric prefix, and separate it out from
+    # the rest.
+    # import pdb; pdb.set_trace()
+    m = _NUMERIC_PREFIX.match(result)
+    if not m:
+        prefix = '0.0.0'
+        suffix = result
+    else:
+        prefix = m.groups()[0].split('.')
+        prefix = [int(i) for i in prefix]
+        while len(prefix) < 3:
+            prefix.append(0)
+        if len(prefix) == 3:
+            suffix = result[m.end():]
+        else:
+            suffix = '.'.join([str(i) for i in prefix[3:]]) + result[m.end():]
+            prefix = prefix[:3]
+        prefix = '.'.join([str(i) for i in prefix])
+        suffix = suffix.strip()
+    if suffix:
+        # import pdb; pdb.set_trace()
+        # massage the suffix.
+        for pat, repl in _SUFFIX_REPLACEMENTS:
+            suffix = pat.sub(repl, suffix)
+
+    if not suffix:
+        result = prefix
+    else:
+        sep = '-' if 'dev' in suffix else '+'
+        result = prefix + sep + suffix
+    if not is_semver(result):
+        result = None
+    return result
+
+
+def _suggest_normalized_version(s):
+    """Suggest a normalized version close to the given version string.
+
+    If you have a version string that isn't rational (i.e. NormalizedVersion
+    doesn't like it) then you might be able to get an equivalent (or close)
+    rational version from this function.
+
+    This does a number of simple normalizations to the given string, based
+    on observation of versions currently in use on PyPI. Given a dump of
+    those version during PyCon 2009, 4287 of them:
+    - 2312 (53.93%) match NormalizedVersion without change
+      with the automatic suggestion
+    - 3474 (81.04%) match when using this suggestion method
+
+    @param s {str} An irrational version string.
+    @returns A rational version string, or None, if couldn't determine one.
+    """
+    try:
+        _normalized_key(s)
+        return s   # already rational
+    except UnsupportedVersionError:
+        pass
+
+    rs = s.lower()
+
+    # part of this could use maketrans
+    for orig, repl in (('-alpha', 'a'), ('-beta', 'b'), ('alpha', 'a'),
+                       ('beta', 'b'), ('rc', 'c'), ('-final', ''),
+                       ('-pre', 'c'),
+                       ('-release', ''), ('.release', ''), ('-stable', ''),
+                       ('+', '.'), ('_', '.'), (' ', ''), ('.final', ''),
+                       ('final', '')):
+        rs = rs.replace(orig, repl)
+
+    # if something ends with dev or pre, we add a 0
+    rs = re.sub(r"pre$", r"pre0", rs)
+    rs = re.sub(r"dev$", r"dev0", rs)
+
+    # if we have something like "b-2" or "a.2" at the end of the
+    # version, that is probably beta, alpha, etc
+    # let's remove the dash or dot
+    rs = re.sub(r"([abc]|rc)[\-\.](\d+)$", r"\1\2", rs)
+
+    # 1.0-dev-r371 -> 1.0.dev371
+    # 0.1-dev-r79 -> 0.1.dev79
+    rs = re.sub(r"[\-\.](dev)[\-\.]?r?(\d+)$", r".\1\2", rs)
+
+    # Clean: 2.0.a.3, 2.0.b1, 0.9.0~c1
+    rs = re.sub(r"[.~]?([abc])\.?", r"\1", rs)
+
+    # Clean: v0.3, v1.0
+    if rs.startswith('v'):
+        rs = rs[1:]
+
+    # Clean leading '0's on numbers.
+    # TODO: unintended side-effect on, e.g., "2003.05.09"
+    # PyPI stats: 77 (~2%) better
+    rs = re.sub(r"\b0+(\d+)(?!\d)", r"\1", rs)
+
+    # Clean a/b/c with no version. E.g. "1.0a" -> "1.0a0". Setuptools infers
+    # zero.
+    # PyPI stats: 245 (7.56%) better
+    rs = re.sub(r"(\d+[abc])$", r"\g<1>0", rs)
+
+    # the 'dev-rNNN' tag is a dev tag
+    rs = re.sub(r"\.?(dev-r|dev\.r)\.?(\d+)$", r".dev\2", rs)
+
+    # clean the - when used as a pre delimiter
+    rs = re.sub(r"-(a|b|c)(\d+)$", r"\1\2", rs)
+
+    # a terminal "dev" or "devel" can be changed into ".dev0"
+    rs = re.sub(r"[\.\-](dev|devel)$", r".dev0", rs)
+
+    # a terminal "dev" can be changed into ".dev0"
+    rs = re.sub(r"(?![\.\-])dev$", r".dev0", rs)
+
+    # a terminal "final" or "stable" can be removed
+    rs = re.sub(r"(final|stable)$", "", rs)
+
+    # The 'r' and the '-' tags are post release tags
+    #   0.4a1.r10       ->  0.4a1.post10
+    #   0.9.33-17222    ->  0.9.33.post17222
+    #   0.9.33-r17222   ->  0.9.33.post17222
+    rs = re.sub(r"\.?(r|-|-r)\.?(\d+)$", r".post\2", rs)
+
+    # Clean 'r' instead of 'dev' usage:
+    #   0.9.33+r17222   ->  0.9.33.dev17222
+    #   1.0dev123       ->  1.0.dev123
+    #   1.0.git123      ->  1.0.dev123
+    #   1.0.bzr123      ->  1.0.dev123
+    #   0.1a0dev.123    ->  0.1a0.dev123
+    # PyPI stats:  ~150 (~4%) better
+    rs = re.sub(r"\.?(dev|git|bzr)\.?(\d+)$", r".dev\2", rs)
+
+    # Clean '.pre' (normalized from '-pre' above) instead of 'c' usage:
+    #   0.2.pre1        ->  0.2c1
+    #   0.2-c1         ->  0.2c1
+    #   1.0preview123   ->  1.0c123
+    # PyPI stats: ~21 (0.62%) better
+    rs = re.sub(r"\.?(pre|preview|-c)(\d+)$", r"c\g<2>", rs)
+
+    # Tcl/Tk uses "px" for their post release markers
+    rs = re.sub(r"p(\d+)$", r".post\1", rs)
+
+    try:
+        _normalized_key(rs)
+    except UnsupportedVersionError:
+        rs = None
+    return rs
+
+#
+#   Legacy version processing (distribute-compatible)
+#
+
+
+_VERSION_PART = re.compile(r'([a-z]+|\d+|[\.-])', re.I)
+_VERSION_REPLACE = {
+    'pre': 'c',
+    'preview': 'c',
+    '-': 'final-',
+    'rc': 'c',
+    'dev': '@',
+    '': None,
+    '.': None,
+}
+
+
+def _legacy_key(s):
+    def get_parts(s):
+        result = []
+        for p in _VERSION_PART.split(s.lower()):
+            p = _VERSION_REPLACE.get(p, p)
+            if p:
+                if '0' <= p[:1] <= '9':
+                    p = p.zfill(8)
+                else:
+                    p = '*' + p
+                result.append(p)
+        result.append('*final')
+        return result
+
+    result = []
+    for p in get_parts(s):
+        if p.startswith('*'):
+            if p < '*final':
+                while result and result[-1] == '*final-':
+                    result.pop()
+            while result and result[-1] == '00000000':
+                result.pop()
+        result.append(p)
+    return tuple(result)
+
+
+class LegacyVersion(Version):
+    def parse(self, s):
+        return _legacy_key(s)
+
+    @property
+    def is_prerelease(self):
+        result = False
+        for x in self._parts:
+            if (isinstance(x, string_types) and x.startswith('*') and
+                    x < '*final'):
+                result = True
+                break
+        return result
+
+
+class LegacyMatcher(Matcher):
+    version_class = LegacyVersion
+
+    _operators = dict(Matcher._operators)
+    _operators['~='] = '_match_compatible'
+
+    numeric_re = re.compile(r'^(\d+(\.\d+)*)')
+
+    def _match_compatible(self, version, constraint, prefix):
+        if version < constraint:
+            return False
+        m = self.numeric_re.match(str(constraint))
+        if not m:
+            logger.warning('Cannot compute compatible match for version %s '
+                           ' and constraint %s', version, constraint)
+            return True
+        s = m.groups()[0]
+        if '.' in s:
+            s = s.rsplit('.', 1)[0]
+        return _match_prefix(version, s)
+
+#
+#   Semantic versioning
+#
+
+
+_SEMVER_RE = re.compile(r'^(\d+)\.(\d+)\.(\d+)'
+                        r'(-[a-z0-9]+(\.[a-z0-9-]+)*)?'
+                        r'(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$', re.I)
+
+
+def is_semver(s):
+    return _SEMVER_RE.match(s)
+
+
+def _semantic_key(s):
+    def make_tuple(s, absent):
+        if s is None:
+            result = (absent,)
+        else:
+            parts = s[1:].split('.')
+            # We can't compare ints and strings on Python 3, so fudge it
+            # by zero-filling numeric values so simulate a numeric comparison
+            result = tuple([p.zfill(8) if p.isdigit() else p for p in parts])
+        return result
+
+    m = is_semver(s)
+    if not m:
+        raise UnsupportedVersionError(s)
+    groups = m.groups()
+    major, minor, patch = [int(i) for i in groups[:3]]
+    # choose the '|' and '*' so that versions sort correctly
+    pre, build = make_tuple(groups[3], '|'), make_tuple(groups[5], '*')
+    return (major, minor, patch), pre, build
+
+
+class SemanticVersion(Version):
+    def parse(self, s):
+        return _semantic_key(s)
+
+    @property
+    def is_prerelease(self):
+        return self._parts[1][0] != '|'
+
+
+class SemanticMatcher(Matcher):
+    version_class = SemanticVersion
+
+
+class VersionScheme(object):
+    def __init__(self, key, matcher, suggester=None):
+        self.key = key
+        self.matcher = matcher
+        self.suggester = suggester
+
+    def is_valid_version(self, s):
+        try:
+            self.matcher.version_class(s)
+            result = True
+        except UnsupportedVersionError:
+            result = False
+        return result
+
+    def is_valid_matcher(self, s):
+        try:
+            self.matcher(s)
+            result = True
+        except UnsupportedVersionError:
+            result = False
+        return result
+
+    def is_valid_constraint_list(self, s):
+        """
+        Used for processing some metadata fields
+        """
+        # See issue #140. Be tolerant of a single trailing comma.
+        if s.endswith(','):
+            s = s[:-1]
+        return self.is_valid_matcher('dummy_name (%s)' % s)
+
+    def suggest(self, s):
+        if self.suggester is None:
+            result = None
+        else:
+            result = self.suggester(s)
+        return result
+
+
+_SCHEMES = {
+    'normalized': VersionScheme(_normalized_key, NormalizedMatcher,
+                                _suggest_normalized_version),
+    'legacy': VersionScheme(_legacy_key, LegacyMatcher, lambda self, s: s),
+    'semantic': VersionScheme(_semantic_key, SemanticMatcher,
+                              _suggest_semantic_version),
+}
+
+_SCHEMES['default'] = _SCHEMES['normalized']
+
+
+def get_scheme(name):
+    if name not in _SCHEMES:
+        raise ValueError('unknown scheme name: %r' % name)
+    return _SCHEMES[name]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/wheel.py
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distlib/wheel.py
@@ -0,0 +1,1099 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2023 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import unicode_literals
+
+import base64
+import codecs
+import datetime
+from email import message_from_file
+import hashlib
+import json
+import logging
+import os
+import posixpath
+import re
+import shutil
+import sys
+import tempfile
+import zipfile
+
+from . import __version__, DistlibException
+from .compat import sysconfig, ZipFile, fsdecode, text_type, filter
+from .database import InstalledDistribution
+from .metadata import Metadata, WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME
+from .util import (FileOperator, convert_path, CSVReader, CSVWriter, Cache,
+                   cached_property, get_cache_base, read_exports, tempdir,
+                   get_platform)
+from .version import NormalizedVersion, UnsupportedVersionError
+
+logger = logging.getLogger(__name__)
+
+cache = None  # created when needed
+
+if hasattr(sys, 'pypy_version_info'):  # pragma: no cover
+    IMP_PREFIX = 'pp'
+elif sys.platform.startswith('java'):  # pragma: no cover
+    IMP_PREFIX = 'jy'
+elif sys.platform == 'cli':  # pragma: no cover
+    IMP_PREFIX = 'ip'
+else:
+    IMP_PREFIX = 'cp'
+
+VER_SUFFIX = sysconfig.get_config_var('py_version_nodot')
+if not VER_SUFFIX:  # pragma: no cover
+    VER_SUFFIX = '%s%s' % sys.version_info[:2]
+PYVER = 'py' + VER_SUFFIX
+IMPVER = IMP_PREFIX + VER_SUFFIX
+
+ARCH = get_platform().replace('-', '_').replace('.', '_')
+
+ABI = sysconfig.get_config_var('SOABI')
+if ABI and ABI.startswith('cpython-'):
+    ABI = ABI.replace('cpython-', 'cp').split('-')[0]
+else:
+
+    def _derive_abi():
+        parts = ['cp', VER_SUFFIX]
+        if sysconfig.get_config_var('Py_DEBUG'):
+            parts.append('d')
+        if IMP_PREFIX == 'cp':
+            vi = sys.version_info[:2]
+            if vi < (3, 8):
+                wpm = sysconfig.get_config_var('WITH_PYMALLOC')
+                if wpm is None:
+                    wpm = True
+                if wpm:
+                    parts.append('m')
+                if vi < (3, 3):
+                    us = sysconfig.get_config_var('Py_UNICODE_SIZE')
+                    if us == 4 or (us is None and sys.maxunicode == 0x10FFFF):
+                        parts.append('u')
+        return ''.join(parts)
+
+    ABI = _derive_abi()
+    del _derive_abi
+
+FILENAME_RE = re.compile(
+    r'''
+(?P<nm>[^-]+)
+-(?P<vn>\d+[^-]*)
+(-(?P<bn>\d+[^-]*))?
+-(?P<py>\w+\d+(\.\w+\d+)*)
+-(?P<bi>\w+)
+-(?P<ar>\w+(\.\w+)*)
+\.whl$
+''', re.IGNORECASE | re.VERBOSE)
+
+NAME_VERSION_RE = re.compile(
+    r'''
+(?P<nm>[^-]+)
+-(?P<vn>\d+[^-]*)
+(-(?P<bn>\d+[^-]*))?$
+''', re.IGNORECASE | re.VERBOSE)
+
+SHEBANG_RE = re.compile(br'\s*#![^\r\n]*')
+SHEBANG_DETAIL_RE = re.compile(br'^(\s*#!("[^"]+"|\S+))\s+(.*)$')
+SHEBANG_PYTHON = b'#!python'
+SHEBANG_PYTHONW = b'#!pythonw'
+
+if os.sep == '/':
+    to_posix = lambda o: o
+else:
+    to_posix = lambda o: o.replace(os.sep, '/')
+
+if sys.version_info[0] < 3:
+    import imp
+else:
+    imp = None
+    import importlib.machinery
+    import importlib.util
+
+
+def _get_suffixes():
+    if imp:
+        return [s[0] for s in imp.get_suffixes()]
+    else:
+        return importlib.machinery.EXTENSION_SUFFIXES
+
+
+def _load_dynamic(name, path):
+    # https://docs.python.org/3/library/importlib.html#importing-a-source-file-directly
+    if imp:
+        return imp.load_dynamic(name, path)
+    else:
+        spec = importlib.util.spec_from_file_location(name, path)
+        module = importlib.util.module_from_spec(spec)
+        sys.modules[name] = module
+        spec.loader.exec_module(module)
+        return module
+
+
+class Mounter(object):
+
+    def __init__(self):
+        self.impure_wheels = {}
+        self.libs = {}
+
+    def add(self, pathname, extensions):
+        self.impure_wheels[pathname] = extensions
+        self.libs.update(extensions)
+
+    def remove(self, pathname):
+        extensions = self.impure_wheels.pop(pathname)
+        for k, v in extensions:
+            if k in self.libs:
+                del self.libs[k]
+
+    def find_module(self, fullname, path=None):
+        if fullname in self.libs:
+            result = self
+        else:
+            result = None
+        return result
+
+    def load_module(self, fullname):
+        if fullname in sys.modules:
+            result = sys.modules[fullname]
+        else:
+            if fullname not in self.libs:
+                raise ImportError('unable to find extension for %s' % fullname)
+            result = _load_dynamic(fullname, self.libs[fullname])
+            result.__loader__ = self
+            parts = fullname.rsplit('.', 1)
+            if len(parts) > 1:
+                result.__package__ = parts[0]
+        return result
+
+
+_hook = Mounter()
+
+
+class Wheel(object):
+    """
+    Class to build and install from Wheel files (PEP 427).
+    """
+
+    wheel_version = (1, 1)
+    hash_kind = 'sha256'
+
+    def __init__(self, filename=None, sign=False, verify=False):
+        """
+        Initialise an instance using a (valid) filename.
+        """
+        self.sign = sign
+        self.should_verify = verify
+        self.buildver = ''
+        self.pyver = [PYVER]
+        self.abi = ['none']
+        self.arch = ['any']
+        self.dirname = os.getcwd()
+        if filename is None:
+            self.name = 'dummy'
+            self.version = '0.1'
+            self._filename = self.filename
+        else:
+            m = NAME_VERSION_RE.match(filename)
+            if m:
+                info = m.groupdict('')
+                self.name = info['nm']
+                # Reinstate the local version separator
+                self.version = info['vn'].replace('_', '-')
+                self.buildver = info['bn']
+                self._filename = self.filename
+            else:
+                dirname, filename = os.path.split(filename)
+                m = FILENAME_RE.match(filename)
+                if not m:
+                    raise DistlibException('Invalid name or '
+                                           'filename: %r' % filename)
+                if dirname:
+                    self.dirname = os.path.abspath(dirname)
+                self._filename = filename
+                info = m.groupdict('')
+                self.name = info['nm']
+                self.version = info['vn']
+                self.buildver = info['bn']
+                self.pyver = info['py'].split('.')
+                self.abi = info['bi'].split('.')
+                self.arch = info['ar'].split('.')
+
+    @property
+    def filename(self):
+        """
+        Build and return a filename from the various components.
+        """
+        if self.buildver:
+            buildver = '-' + self.buildver
+        else:
+            buildver = ''
+        pyver = '.'.join(self.pyver)
+        abi = '.'.join(self.abi)
+        arch = '.'.join(self.arch)
+        # replace - with _ as a local version separator
+        version = self.version.replace('-', '_')
+        return '%s-%s%s-%s-%s-%s.whl' % (self.name, version, buildver, pyver,
+                                         abi, arch)
+
+    @property
+    def exists(self):
+        path = os.path.join(self.dirname, self.filename)
+        return os.path.isfile(path)
+
+    @property
+    def tags(self):
+        for pyver in self.pyver:
+            for abi in self.abi:
+                for arch in self.arch:
+                    yield pyver, abi, arch
+
+    @cached_property
+    def metadata(self):
+        pathname = os.path.join(self.dirname, self.filename)
+        name_ver = '%s-%s' % (self.name, self.version)
+        info_dir = '%s.dist-info' % name_ver
+        wrapper = codecs.getreader('utf-8')
+        with ZipFile(pathname, 'r') as zf:
+            self.get_wheel_metadata(zf)
+            # wv = wheel_metadata['Wheel-Version'].split('.', 1)
+            # file_version = tuple([int(i) for i in wv])
+            # if file_version < (1, 1):
+            # fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME,
+            # LEGACY_METADATA_FILENAME]
+            # else:
+            # fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME]
+            fns = [WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME]
+            result = None
+            for fn in fns:
+                try:
+                    metadata_filename = posixpath.join(info_dir, fn)
+                    with zf.open(metadata_filename) as bf:
+                        wf = wrapper(bf)
+                        result = Metadata(fileobj=wf)
+                        if result:
+                            break
+                except KeyError:
+                    pass
+            if not result:
+                raise ValueError('Invalid wheel, because metadata is '
+                                 'missing: looked in %s' % ', '.join(fns))
+        return result
+
+    def get_wheel_metadata(self, zf):
+        name_ver = '%s-%s' % (self.name, self.version)
+        info_dir = '%s.dist-info' % name_ver
+        metadata_filename = posixpath.join(info_dir, 'WHEEL')
+        with zf.open(metadata_filename) as bf:
+            wf = codecs.getreader('utf-8')(bf)
+            message = message_from_file(wf)
+        return dict(message)
+
+    @cached_property
+    def info(self):
+        pathname = os.path.join(self.dirname, self.filename)
+        with ZipFile(pathname, 'r') as zf:
+            result = self.get_wheel_metadata(zf)
+        return result
+
+    def process_shebang(self, data):
+        m = SHEBANG_RE.match(data)
+        if m:
+            end = m.end()
+            shebang, data_after_shebang = data[:end], data[end:]
+            # Preserve any arguments after the interpreter
+            if b'pythonw' in shebang.lower():
+                shebang_python = SHEBANG_PYTHONW
+            else:
+                shebang_python = SHEBANG_PYTHON
+            m = SHEBANG_DETAIL_RE.match(shebang)
+            if m:
+                args = b' ' + m.groups()[-1]
+            else:
+                args = b''
+            shebang = shebang_python + args
+            data = shebang + data_after_shebang
+        else:
+            cr = data.find(b'\r')
+            lf = data.find(b'\n')
+            if cr < 0 or cr > lf:
+                term = b'\n'
+            else:
+                if data[cr:cr + 2] == b'\r\n':
+                    term = b'\r\n'
+                else:
+                    term = b'\r'
+            data = SHEBANG_PYTHON + term + data
+        return data
+
+    def get_hash(self, data, hash_kind=None):
+        if hash_kind is None:
+            hash_kind = self.hash_kind
+        try:
+            hasher = getattr(hashlib, hash_kind)
+        except AttributeError:
+            raise DistlibException('Unsupported hash algorithm: %r' %
+                                   hash_kind)
+        result = hasher(data).digest()
+        result = base64.urlsafe_b64encode(result).rstrip(b'=').decode('ascii')
+        return hash_kind, result
+
+    def write_record(self, records, record_path, archive_record_path):
+        records = list(records)  # make a copy, as mutated
+        records.append((archive_record_path, '', ''))
+        with CSVWriter(record_path) as writer:
+            for row in records:
+                writer.writerow(row)
+
+    def write_records(self, info, libdir, archive_paths):
+        records = []
+        distinfo, info_dir = info
+        # hasher = getattr(hashlib, self.hash_kind)
+        for ap, p in archive_paths:
+            with open(p, 'rb') as f:
+                data = f.read()
+            digest = '%s=%s' % self.get_hash(data)
+            size = os.path.getsize(p)
+            records.append((ap, digest, size))
+
+        p = os.path.join(distinfo, 'RECORD')
+        ap = to_posix(os.path.join(info_dir, 'RECORD'))
+        self.write_record(records, p, ap)
+        archive_paths.append((ap, p))
+
+    def build_zip(self, pathname, archive_paths):
+        with ZipFile(pathname, 'w', zipfile.ZIP_DEFLATED) as zf:
+            for ap, p in archive_paths:
+                logger.debug('Wrote %s to %s in wheel', p, ap)
+                zf.write(p, ap)
+
+    def build(self, paths, tags=None, wheel_version=None):
+        """
+        Build a wheel from files in specified paths, and use any specified tags
+        when determining the name of the wheel.
+        """
+        if tags is None:
+            tags = {}
+
+        libkey = list(filter(lambda o: o in paths, ('purelib', 'platlib')))[0]
+        if libkey == 'platlib':
+            is_pure = 'false'
+            default_pyver = [IMPVER]
+            default_abi = [ABI]
+            default_arch = [ARCH]
+        else:
+            is_pure = 'true'
+            default_pyver = [PYVER]
+            default_abi = ['none']
+            default_arch = ['any']
+
+        self.pyver = tags.get('pyver', default_pyver)
+        self.abi = tags.get('abi', default_abi)
+        self.arch = tags.get('arch', default_arch)
+
+        libdir = paths[libkey]
+
+        name_ver = '%s-%s' % (self.name, self.version)
+        data_dir = '%s.data' % name_ver
+        info_dir = '%s.dist-info' % name_ver
+
+        archive_paths = []
+
+        # First, stuff which is not in site-packages
+        for key in ('data', 'headers', 'scripts'):
+            if key not in paths:
+                continue
+            path = paths[key]
+            if os.path.isdir(path):
+                for root, dirs, files in os.walk(path):
+                    for fn in files:
+                        p = fsdecode(os.path.join(root, fn))
+                        rp = os.path.relpath(p, path)
+                        ap = to_posix(os.path.join(data_dir, key, rp))
+                        archive_paths.append((ap, p))
+                        if key == 'scripts' and not p.endswith('.exe'):
+                            with open(p, 'rb') as f:
+                                data = f.read()
+                            data = self.process_shebang(data)
+                            with open(p, 'wb') as f:
+                                f.write(data)
+
+        # Now, stuff which is in site-packages, other than the
+        # distinfo stuff.
+        path = libdir
+        distinfo = None
+        for root, dirs, files in os.walk(path):
+            if root == path:
+                # At the top level only, save distinfo for later
+                # and skip it for now
+                for i, dn in enumerate(dirs):
+                    dn = fsdecode(dn)
+                    if dn.endswith('.dist-info'):
+                        distinfo = os.path.join(root, dn)
+                        del dirs[i]
+                        break
+                assert distinfo, '.dist-info directory expected, not found'
+
+            for fn in files:
+                # comment out next suite to leave .pyc files in
+                if fsdecode(fn).endswith(('.pyc', '.pyo')):
+                    continue
+                p = os.path.join(root, fn)
+                rp = to_posix(os.path.relpath(p, path))
+                archive_paths.append((rp, p))
+
+        # Now distinfo. Assumed to be flat, i.e. os.listdir is enough.
+        files = os.listdir(distinfo)
+        for fn in files:
+            if fn not in ('RECORD', 'INSTALLER', 'SHARED', 'WHEEL'):
+                p = fsdecode(os.path.join(distinfo, fn))
+                ap = to_posix(os.path.join(info_dir, fn))
+                archive_paths.append((ap, p))
+
+        wheel_metadata = [
+            'Wheel-Version: %d.%d' % (wheel_version or self.wheel_version),
+            'Generator: distlib %s' % __version__,
+            'Root-Is-Purelib: %s' % is_pure,
+        ]
+        for pyver, abi, arch in self.tags:
+            wheel_metadata.append('Tag: %s-%s-%s' % (pyver, abi, arch))
+        p = os.path.join(distinfo, 'WHEEL')
+        with open(p, 'w') as f:
+            f.write('\n'.join(wheel_metadata))
+        ap = to_posix(os.path.join(info_dir, 'WHEEL'))
+        archive_paths.append((ap, p))
+
+        # sort the entries by archive path. Not needed by any spec, but it
+        # keeps the archive listing and RECORD tidier than they would otherwise
+        # be. Use the number of path segments to keep directory entries together,
+        # and keep the dist-info stuff at the end.
+        def sorter(t):
+            ap = t[0]
+            n = ap.count('/')
+            if '.dist-info' in ap:
+                n += 10000
+            return (n, ap)
+
+        archive_paths = sorted(archive_paths, key=sorter)
+
+        # Now, at last, RECORD.
+        # Paths in here are archive paths - nothing else makes sense.
+        self.write_records((distinfo, info_dir), libdir, archive_paths)
+        # Now, ready to build the zip file
+        pathname = os.path.join(self.dirname, self.filename)
+        self.build_zip(pathname, archive_paths)
+        return pathname
+
+    def skip_entry(self, arcname):
+        """
+        Determine whether an archive entry should be skipped when verifying
+        or installing.
+        """
+        # The signature file won't be in RECORD,
+        # and we  don't currently don't do anything with it
+        # We also skip directories, as they won't be in RECORD
+        # either. See:
+        #
+        # https://github.com/pypa/wheel/issues/294
+        # https://github.com/pypa/wheel/issues/287
+        # https://github.com/pypa/wheel/pull/289
+        #
+        return arcname.endswith(('/', '/RECORD.jws'))
+
+    def install(self, paths, maker, **kwargs):
+        """
+        Install a wheel to the specified paths. If kwarg ``warner`` is
+        specified, it should be a callable, which will be called with two
+        tuples indicating the wheel version of this software and the wheel
+        version in the file, if there is a discrepancy in the versions.
+        This can be used to issue any warnings to raise any exceptions.
+        If kwarg ``lib_only`` is True, only the purelib/platlib files are
+        installed, and the headers, scripts, data and dist-info metadata are
+        not written. If kwarg ``bytecode_hashed_invalidation`` is True, written
+        bytecode will try to use file-hash based invalidation (PEP-552) on
+        supported interpreter versions (CPython 2.7+).
+
+        The return value is a :class:`InstalledDistribution` instance unless
+        ``options.lib_only`` is True, in which case the return value is ``None``.
+        """
+
+        dry_run = maker.dry_run
+        warner = kwargs.get('warner')
+        lib_only = kwargs.get('lib_only', False)
+        bc_hashed_invalidation = kwargs.get('bytecode_hashed_invalidation',
+                                            False)
+
+        pathname = os.path.join(self.dirname, self.filename)
+        name_ver = '%s-%s' % (self.name, self.version)
+        data_dir = '%s.data' % name_ver
+        info_dir = '%s.dist-info' % name_ver
+
+        metadata_name = posixpath.join(info_dir, LEGACY_METADATA_FILENAME)
+        wheel_metadata_name = posixpath.join(info_dir, 'WHEEL')
+        record_name = posixpath.join(info_dir, 'RECORD')
+
+        wrapper = codecs.getreader('utf-8')
+
+        with ZipFile(pathname, 'r') as zf:
+            with zf.open(wheel_metadata_name) as bwf:
+                wf = wrapper(bwf)
+                message = message_from_file(wf)
+            wv = message['Wheel-Version'].split('.', 1)
+            file_version = tuple([int(i) for i in wv])
+            if (file_version != self.wheel_version) and warner:
+                warner(self.wheel_version, file_version)
+
+            if message['Root-Is-Purelib'] == 'true':
+                libdir = paths['purelib']
+            else:
+                libdir = paths['platlib']
+
+            records = {}
+            with zf.open(record_name) as bf:
+                with CSVReader(stream=bf) as reader:
+                    for row in reader:
+                        p = row[0]
+                        records[p] = row
+
+            data_pfx = posixpath.join(data_dir, '')
+            info_pfx = posixpath.join(info_dir, '')
+            script_pfx = posixpath.join(data_dir, 'scripts', '')
+
+            # make a new instance rather than a copy of maker's,
+            # as we mutate it
+            fileop = FileOperator(dry_run=dry_run)
+            fileop.record = True  # so we can rollback if needed
+
+            bc = not sys.dont_write_bytecode  # Double negatives. Lovely!
+
+            outfiles = []  # for RECORD writing
+
+            # for script copying/shebang processing
+            workdir = tempfile.mkdtemp()
+            # set target dir later
+            # we default add_launchers to False, as the
+            # Python Launcher should be used instead
+            maker.source_dir = workdir
+            maker.target_dir = None
+            try:
+                for zinfo in zf.infolist():
+                    arcname = zinfo.filename
+                    if isinstance(arcname, text_type):
+                        u_arcname = arcname
+                    else:
+                        u_arcname = arcname.decode('utf-8')
+                    if self.skip_entry(u_arcname):
+                        continue
+                    row = records[u_arcname]
+                    if row[2] and str(zinfo.file_size) != row[2]:
+                        raise DistlibException('size mismatch for '
+                                               '%s' % u_arcname)
+                    if row[1]:
+                        kind, value = row[1].split('=', 1)
+                        with zf.open(arcname) as bf:
+                            data = bf.read()
+                        _, digest = self.get_hash(data, kind)
+                        if digest != value:
+                            raise DistlibException('digest mismatch for '
+                                                   '%s' % arcname)
+
+                    if lib_only and u_arcname.startswith((info_pfx, data_pfx)):
+                        logger.debug('lib_only: skipping %s', u_arcname)
+                        continue
+                    is_script = (u_arcname.startswith(script_pfx)
+                                 and not u_arcname.endswith('.exe'))
+
+                    if u_arcname.startswith(data_pfx):
+                        _, where, rp = u_arcname.split('/', 2)
+                        outfile = os.path.join(paths[where], convert_path(rp))
+                    else:
+                        # meant for site-packages.
+                        if u_arcname in (wheel_metadata_name, record_name):
+                            continue
+                        outfile = os.path.join(libdir, convert_path(u_arcname))
+                    if not is_script:
+                        with zf.open(arcname) as bf:
+                            fileop.copy_stream(bf, outfile)
+                        # Issue #147: permission bits aren't preserved. Using
+                        # zf.extract(zinfo, libdir) should have worked, but didn't,
+                        # see https://www.thetopsites.net/article/53834422.shtml
+                        # So ... manually preserve permission bits as given in zinfo
+                        if os.name == 'posix':
+                            # just set the normal permission bits
+                            os.chmod(outfile,
+                                     (zinfo.external_attr >> 16) & 0x1FF)
+                        outfiles.append(outfile)
+                        # Double check the digest of the written file
+                        if not dry_run and row[1]:
+                            with open(outfile, 'rb') as bf:
+                                data = bf.read()
+                                _, newdigest = self.get_hash(data, kind)
+                                if newdigest != digest:
+                                    raise DistlibException('digest mismatch '
+                                                           'on write for '
+                                                           '%s' % outfile)
+                        if bc and outfile.endswith('.py'):
+                            try:
+                                pyc = fileop.byte_compile(
+                                    outfile,
+                                    hashed_invalidation=bc_hashed_invalidation)
+                                outfiles.append(pyc)
+                            except Exception:
+                                # Don't give up if byte-compilation fails,
+                                # but log it and perhaps warn the user
+                                logger.warning('Byte-compilation failed',
+                                               exc_info=True)
+                    else:
+                        fn = os.path.basename(convert_path(arcname))
+                        workname = os.path.join(workdir, fn)
+                        with zf.open(arcname) as bf:
+                            fileop.copy_stream(bf, workname)
+
+                        dn, fn = os.path.split(outfile)
+                        maker.target_dir = dn
+                        filenames = maker.make(fn)
+                        fileop.set_executable_mode(filenames)
+                        outfiles.extend(filenames)
+
+                if lib_only:
+                    logger.debug('lib_only: returning None')
+                    dist = None
+                else:
+                    # Generate scripts
+
+                    # Try to get pydist.json so we can see if there are
+                    # any commands to generate. If this fails (e.g. because
+                    # of a legacy wheel), log a warning but don't give up.
+                    commands = None
+                    file_version = self.info['Wheel-Version']
+                    if file_version == '1.0':
+                        # Use legacy info
+                        ep = posixpath.join(info_dir, 'entry_points.txt')
+                        try:
+                            with zf.open(ep) as bwf:
+                                epdata = read_exports(bwf)
+                            commands = {}
+                            for key in ('console', 'gui'):
+                                k = '%s_scripts' % key
+                                if k in epdata:
+                                    commands['wrap_%s' % key] = d = {}
+                                    for v in epdata[k].values():
+                                        s = '%s:%s' % (v.prefix, v.suffix)
+                                        if v.flags:
+                                            s += ' [%s]' % ','.join(v.flags)
+                                        d[v.name] = s
+                        except Exception:
+                            logger.warning('Unable to read legacy script '
+                                           'metadata, so cannot generate '
+                                           'scripts')
+                    else:
+                        try:
+                            with zf.open(metadata_name) as bwf:
+                                wf = wrapper(bwf)
+                                commands = json.load(wf).get('extensions')
+                                if commands:
+                                    commands = commands.get('python.commands')
+                        except Exception:
+                            logger.warning('Unable to read JSON metadata, so '
+                                           'cannot generate scripts')
+                    if commands:
+                        console_scripts = commands.get('wrap_console', {})
+                        gui_scripts = commands.get('wrap_gui', {})
+                        if console_scripts or gui_scripts:
+                            script_dir = paths.get('scripts', '')
+                            if not os.path.isdir(script_dir):
+                                raise ValueError('Valid script path not '
+                                                 'specified')
+                            maker.target_dir = script_dir
+                            for k, v in console_scripts.items():
+                                script = '%s = %s' % (k, v)
+                                filenames = maker.make(script)
+                                fileop.set_executable_mode(filenames)
+
+                            if gui_scripts:
+                                options = {'gui': True}
+                                for k, v in gui_scripts.items():
+                                    script = '%s = %s' % (k, v)
+                                    filenames = maker.make(script, options)
+                                    fileop.set_executable_mode(filenames)
+
+                    p = os.path.join(libdir, info_dir)
+                    dist = InstalledDistribution(p)
+
+                    # Write SHARED
+                    paths = dict(paths)  # don't change passed in dict
+                    del paths['purelib']
+                    del paths['platlib']
+                    paths['lib'] = libdir
+                    p = dist.write_shared_locations(paths, dry_run)
+                    if p:
+                        outfiles.append(p)
+
+                    # Write RECORD
+                    dist.write_installed_files(outfiles, paths['prefix'],
+                                               dry_run)
+                return dist
+            except Exception:  # pragma: no cover
+                logger.exception('installation failed.')
+                fileop.rollback()
+                raise
+            finally:
+                shutil.rmtree(workdir)
+
+    def _get_dylib_cache(self):
+        global cache
+        if cache is None:
+            # Use native string to avoid issues on 2.x: see Python #20140.
+            base = os.path.join(get_cache_base(), str('dylib-cache'),
+                                '%s.%s' % sys.version_info[:2])
+            cache = Cache(base)
+        return cache
+
+    def _get_extensions(self):
+        pathname = os.path.join(self.dirname, self.filename)
+        name_ver = '%s-%s' % (self.name, self.version)
+        info_dir = '%s.dist-info' % name_ver
+        arcname = posixpath.join(info_dir, 'EXTENSIONS')
+        wrapper = codecs.getreader('utf-8')
+        result = []
+        with ZipFile(pathname, 'r') as zf:
+            try:
+                with zf.open(arcname) as bf:
+                    wf = wrapper(bf)
+                    extensions = json.load(wf)
+                    cache = self._get_dylib_cache()
+                    prefix = cache.prefix_to_dir(pathname)
+                    cache_base = os.path.join(cache.base, prefix)
+                    if not os.path.isdir(cache_base):
+                        os.makedirs(cache_base)
+                    for name, relpath in extensions.items():
+                        dest = os.path.join(cache_base, convert_path(relpath))
+                        if not os.path.exists(dest):
+                            extract = True
+                        else:
+                            file_time = os.stat(dest).st_mtime
+                            file_time = datetime.datetime.fromtimestamp(
+                                file_time)
+                            info = zf.getinfo(relpath)
+                            wheel_time = datetime.datetime(*info.date_time)
+                            extract = wheel_time > file_time
+                        if extract:
+                            zf.extract(relpath, cache_base)
+                        result.append((name, dest))
+            except KeyError:
+                pass
+        return result
+
+    def is_compatible(self):
+        """
+        Determine if a wheel is compatible with the running system.
+        """
+        return is_compatible(self)
+
+    def is_mountable(self):
+        """
+        Determine if a wheel is asserted as mountable by its metadata.
+        """
+        return True  # for now - metadata details TBD
+
+    def mount(self, append=False):
+        pathname = os.path.abspath(os.path.join(self.dirname, self.filename))
+        if not self.is_compatible():
+            msg = 'Wheel %s not compatible with this Python.' % pathname
+            raise DistlibException(msg)
+        if not self.is_mountable():
+            msg = 'Wheel %s is marked as not mountable.' % pathname
+            raise DistlibException(msg)
+        if pathname in sys.path:
+            logger.debug('%s already in path', pathname)
+        else:
+            if append:
+                sys.path.append(pathname)
+            else:
+                sys.path.insert(0, pathname)
+            extensions = self._get_extensions()
+            if extensions:
+                if _hook not in sys.meta_path:
+                    sys.meta_path.append(_hook)
+                _hook.add(pathname, extensions)
+
+    def unmount(self):
+        pathname = os.path.abspath(os.path.join(self.dirname, self.filename))
+        if pathname not in sys.path:
+            logger.debug('%s not in path', pathname)
+        else:
+            sys.path.remove(pathname)
+            if pathname in _hook.impure_wheels:
+                _hook.remove(pathname)
+            if not _hook.impure_wheels:
+                if _hook in sys.meta_path:
+                    sys.meta_path.remove(_hook)
+
+    def verify(self):
+        pathname = os.path.join(self.dirname, self.filename)
+        name_ver = '%s-%s' % (self.name, self.version)
+        # data_dir = '%s.data' % name_ver
+        info_dir = '%s.dist-info' % name_ver
+
+        # metadata_name = posixpath.join(info_dir, LEGACY_METADATA_FILENAME)
+        wheel_metadata_name = posixpath.join(info_dir, 'WHEEL')
+        record_name = posixpath.join(info_dir, 'RECORD')
+
+        wrapper = codecs.getreader('utf-8')
+
+        with ZipFile(pathname, 'r') as zf:
+            with zf.open(wheel_metadata_name) as bwf:
+                wf = wrapper(bwf)
+                message_from_file(wf)
+            # wv = message['Wheel-Version'].split('.', 1)
+            # file_version = tuple([int(i) for i in wv])
+            # TODO version verification
+
+            records = {}
+            with zf.open(record_name) as bf:
+                with CSVReader(stream=bf) as reader:
+                    for row in reader:
+                        p = row[0]
+                        records[p] = row
+
+            for zinfo in zf.infolist():
+                arcname = zinfo.filename
+                if isinstance(arcname, text_type):
+                    u_arcname = arcname
+                else:
+                    u_arcname = arcname.decode('utf-8')
+                # See issue #115: some wheels have .. in their entries, but
+                # in the filename ... e.g. __main__..py ! So the check is
+                # updated to look for .. in the directory portions
+                p = u_arcname.split('/')
+                if '..' in p:
+                    raise DistlibException('invalid entry in '
+                                           'wheel: %r' % u_arcname)
+
+                if self.skip_entry(u_arcname):
+                    continue
+                row = records[u_arcname]
+                if row[2] and str(zinfo.file_size) != row[2]:
+                    raise DistlibException('size mismatch for '
+                                           '%s' % u_arcname)
+                if row[1]:
+                    kind, value = row[1].split('=', 1)
+                    with zf.open(arcname) as bf:
+                        data = bf.read()
+                    _, digest = self.get_hash(data, kind)
+                    if digest != value:
+                        raise DistlibException('digest mismatch for '
+                                               '%s' % arcname)
+
+    def update(self, modifier, dest_dir=None, **kwargs):
+        """
+        Update the contents of a wheel in a generic way. The modifier should
+        be a callable which expects a dictionary argument: its keys are
+        archive-entry paths, and its values are absolute filesystem paths
+        where the contents the corresponding archive entries can be found. The
+        modifier is free to change the contents of the files pointed to, add
+        new entries and remove entries, before returning. This method will
+        extract the entire contents of the wheel to a temporary location, call
+        the modifier, and then use the passed (and possibly updated)
+        dictionary to write a new wheel. If ``dest_dir`` is specified, the new
+        wheel is written there -- otherwise, the original wheel is overwritten.
+
+        The modifier should return True if it updated the wheel, else False.
+        This method returns the same value the modifier returns.
+        """
+
+        def get_version(path_map, info_dir):
+            version = path = None
+            key = '%s/%s' % (info_dir, LEGACY_METADATA_FILENAME)
+            if key not in path_map:
+                key = '%s/PKG-INFO' % info_dir
+            if key in path_map:
+                path = path_map[key]
+                version = Metadata(path=path).version
+            return version, path
+
+        def update_version(version, path):
+            updated = None
+            try:
+                NormalizedVersion(version)
+                i = version.find('-')
+                if i < 0:
+                    updated = '%s+1' % version
+                else:
+                    parts = [int(s) for s in version[i + 1:].split('.')]
+                    parts[-1] += 1
+                    updated = '%s+%s' % (version[:i], '.'.join(
+                        str(i) for i in parts))
+            except UnsupportedVersionError:
+                logger.debug(
+                    'Cannot update non-compliant (PEP-440) '
+                    'version %r', version)
+            if updated:
+                md = Metadata(path=path)
+                md.version = updated
+                legacy = path.endswith(LEGACY_METADATA_FILENAME)
+                md.write(path=path, legacy=legacy)
+                logger.debug('Version updated from %r to %r', version, updated)
+
+        pathname = os.path.join(self.dirname, self.filename)
+        name_ver = '%s-%s' % (self.name, self.version)
+        info_dir = '%s.dist-info' % name_ver
+        record_name = posixpath.join(info_dir, 'RECORD')
+        with tempdir() as workdir:
+            with ZipFile(pathname, 'r') as zf:
+                path_map = {}
+                for zinfo in zf.infolist():
+                    arcname = zinfo.filename
+                    if isinstance(arcname, text_type):
+                        u_arcname = arcname
+                    else:
+                        u_arcname = arcname.decode('utf-8')
+                    if u_arcname == record_name:
+                        continue
+                    if '..' in u_arcname:
+                        raise DistlibException('invalid entry in '
+                                               'wheel: %r' % u_arcname)
+                    zf.extract(zinfo, workdir)
+                    path = os.path.join(workdir, convert_path(u_arcname))
+                    path_map[u_arcname] = path
+
+            # Remember the version.
+            original_version, _ = get_version(path_map, info_dir)
+            # Files extracted. Call the modifier.
+            modified = modifier(path_map, **kwargs)
+            if modified:
+                # Something changed - need to build a new wheel.
+                current_version, path = get_version(path_map, info_dir)
+                if current_version and (current_version == original_version):
+                    # Add or update local version to signify changes.
+                    update_version(current_version, path)
+                # Decide where the new wheel goes.
+                if dest_dir is None:
+                    fd, newpath = tempfile.mkstemp(suffix='.whl',
+                                                   prefix='wheel-update-',
+                                                   dir=workdir)
+                    os.close(fd)
+                else:
+                    if not os.path.isdir(dest_dir):
+                        raise DistlibException('Not a directory: %r' %
+                                               dest_dir)
+                    newpath = os.path.join(dest_dir, self.filename)
+                archive_paths = list(path_map.items())
+                distinfo = os.path.join(workdir, info_dir)
+                info = distinfo, info_dir
+                self.write_records(info, workdir, archive_paths)
+                self.build_zip(newpath, archive_paths)
+                if dest_dir is None:
+                    shutil.copyfile(newpath, pathname)
+        return modified
+
+
+def _get_glibc_version():
+    import platform
+    ver = platform.libc_ver()
+    result = []
+    if ver[0] == 'glibc':
+        for s in ver[1].split('.'):
+            result.append(int(s) if s.isdigit() else 0)
+        result = tuple(result)
+    return result
+
+
+def compatible_tags():
+    """
+    Return (pyver, abi, arch) tuples compatible with this Python.
+    """
+    versions = [VER_SUFFIX]
+    major = VER_SUFFIX[0]
+    for minor in range(sys.version_info[1] - 1, -1, -1):
+        versions.append(''.join([major, str(minor)]))
+
+    abis = []
+    for suffix in _get_suffixes():
+        if suffix.startswith('.abi'):
+            abis.append(suffix.split('.', 2)[1])
+    abis.sort()
+    if ABI != 'none':
+        abis.insert(0, ABI)
+    abis.append('none')
+    result = []
+
+    arches = [ARCH]
+    if sys.platform == 'darwin':
+        m = re.match(r'(\w+)_(\d+)_(\d+)_(\w+)$', ARCH)
+        if m:
+            name, major, minor, arch = m.groups()
+            minor = int(minor)
+            matches = [arch]
+            if arch in ('i386', 'ppc'):
+                matches.append('fat')
+            if arch in ('i386', 'ppc', 'x86_64'):
+                matches.append('fat3')
+            if arch in ('ppc64', 'x86_64'):
+                matches.append('fat64')
+            if arch in ('i386', 'x86_64'):
+                matches.append('intel')
+            if arch in ('i386', 'x86_64', 'intel', 'ppc', 'ppc64'):
+                matches.append('universal')
+            while minor >= 0:
+                for match in matches:
+                    s = '%s_%s_%s_%s' % (name, major, minor, match)
+                    if s != ARCH:  # already there
+                        arches.append(s)
+                minor -= 1
+
+    # Most specific - our Python version, ABI and arch
+    for abi in abis:
+        for arch in arches:
+            result.append((''.join((IMP_PREFIX, versions[0])), abi, arch))
+            # manylinux
+            if abi != 'none' and sys.platform.startswith('linux'):
+                arch = arch.replace('linux_', '')
+                parts = _get_glibc_version()
+                if len(parts) == 2:
+                    if parts >= (2, 5):
+                        result.append((''.join((IMP_PREFIX, versions[0])), abi,
+                                       'manylinux1_%s' % arch))
+                    if parts >= (2, 12):
+                        result.append((''.join((IMP_PREFIX, versions[0])), abi,
+                                       'manylinux2010_%s' % arch))
+                    if parts >= (2, 17):
+                        result.append((''.join((IMP_PREFIX, versions[0])), abi,
+                                       'manylinux2014_%s' % arch))
+                    result.append(
+                        (''.join((IMP_PREFIX, versions[0])), abi,
+                         'manylinux_%s_%s_%s' % (parts[0], parts[1], arch)))
+
+    # where no ABI / arch dependency, but IMP_PREFIX dependency
+    for i, version in enumerate(versions):
+        result.append((''.join((IMP_PREFIX, version)), 'none', 'any'))
+        if i == 0:
+            result.append((''.join((IMP_PREFIX, version[0])), 'none', 'any'))
+
+    # no IMP_PREFIX, ABI or arch dependency
+    for i, version in enumerate(versions):
+        result.append((''.join(('py', version)), 'none', 'any'))
+        if i == 0:
+            result.append((''.join(('py', version[0])), 'none', 'any'))
+
+    return set(result)
+
+
+COMPATIBLE_TAGS = compatible_tags()
+
+del compatible_tags
+
+
+def is_compatible(wheel, tags=None):
+    if not isinstance(wheel, Wheel):
+        wheel = Wheel(wheel)  # assume it's a filename
+    result = False
+    if tags is None:
+        tags = COMPATIBLE_TAGS
+    for ver, abi, arch in tags:
+        if ver in wheel.pyver and abi in wheel.abi and arch in wheel.arch:
+            result = True
+            break
+    return result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__init__.py
new file mode 100644
index 00000000..7686fe85
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__init__.py
@@ -0,0 +1,54 @@
+from .distro import (
+    NORMALIZED_DISTRO_ID,
+    NORMALIZED_LSB_ID,
+    NORMALIZED_OS_ID,
+    LinuxDistribution,
+    __version__,
+    build_number,
+    codename,
+    distro_release_attr,
+    distro_release_info,
+    id,
+    info,
+    like,
+    linux_distribution,
+    lsb_release_attr,
+    lsb_release_info,
+    major_version,
+    minor_version,
+    name,
+    os_release_attr,
+    os_release_info,
+    uname_attr,
+    uname_info,
+    version,
+    version_parts,
+)
+
+__all__ = [
+    "NORMALIZED_DISTRO_ID",
+    "NORMALIZED_LSB_ID",
+    "NORMALIZED_OS_ID",
+    "LinuxDistribution",
+    "build_number",
+    "codename",
+    "distro_release_attr",
+    "distro_release_info",
+    "id",
+    "info",
+    "like",
+    "linux_distribution",
+    "lsb_release_attr",
+    "lsb_release_info",
+    "major_version",
+    "minor_version",
+    "name",
+    "os_release_attr",
+    "os_release_info",
+    "uname_attr",
+    "uname_info",
+    "version",
+    "version_parts",
+]
+
+__version__ = __version__
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__main__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__main__.py
new file mode 100644
index 00000000..0c01d5b0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__main__.py
@@ -0,0 +1,4 @@
+from .distro import main
+
+if __name__ == "__main__":
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..679fa554
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__pycache__/__main__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__pycache__/__main__.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__pycache__/distro.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__pycache__/distro.cpython-311.pyc
new file mode 100644
index 00000000..c0afd34c
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/__pycache__/distro.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/distro.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/distro.py
new file mode 100644
index 00000000..89e18680
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/distro.py
@@ -0,0 +1,1399 @@
+#!/usr/bin/env python
+# Copyright 2015,2016,2017 Nir Cohen
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+The ``distro`` package (``distro`` stands for Linux Distribution) provides
+information about the Linux distribution it runs on, such as a reliable
+machine-readable distro ID, or version information.
+
+It is the recommended replacement for Python's original
+:py:func:`platform.linux_distribution` function, but it provides much more
+functionality. An alternative implementation became necessary because Python
+3.5 deprecated this function, and Python 3.8 removed it altogether. Its
+predecessor function :py:func:`platform.dist` was already deprecated since
+Python 2.6 and removed in Python 3.8. Still, there are many cases in which
+access to OS distribution information is needed. See `Python issue 1322
+<https://bugs.python.org/issue1322>`_ for more information.
+"""
+
+import argparse
+import json
+import logging
+import os
+import re
+import shlex
+import subprocess
+import sys
+import warnings
+from typing import (
+    Any,
+    Callable,
+    Dict,
+    Iterable,
+    Optional,
+    Sequence,
+    TextIO,
+    Tuple,
+    Type,
+)
+
+try:
+    from typing import TypedDict
+except ImportError:
+    # Python 3.7
+    TypedDict = dict
+
+__version__ = "1.8.0"
+
+
+class VersionDict(TypedDict):
+    major: str
+    minor: str
+    build_number: str
+
+
+class InfoDict(TypedDict):
+    id: str
+    version: str
+    version_parts: VersionDict
+    like: str
+    codename: str
+
+
+_UNIXCONFDIR = os.environ.get("UNIXCONFDIR", "/etc")
+_UNIXUSRLIBDIR = os.environ.get("UNIXUSRLIBDIR", "/usr/lib")
+_OS_RELEASE_BASENAME = "os-release"
+
+#: Translation table for normalizing the "ID" attribute defined in os-release
+#: files, for use by the :func:`distro.id` method.
+#:
+#: * Key: Value as defined in the os-release file, translated to lower case,
+#:   with blanks translated to underscores.
+#:
+#: * Value: Normalized value.
+NORMALIZED_OS_ID = {
+    "ol": "oracle",  # Oracle Linux
+    "opensuse-leap": "opensuse",  # Newer versions of OpenSuSE report as opensuse-leap
+}
+
+#: Translation table for normalizing the "Distributor ID" attribute returned by
+#: the lsb_release command, for use by the :func:`distro.id` method.
+#:
+#: * Key: Value as returned by the lsb_release command, translated to lower
+#:   case, with blanks translated to underscores.
+#:
+#: * Value: Normalized value.
+NORMALIZED_LSB_ID = {
+    "enterpriseenterpriseas": "oracle",  # Oracle Enterprise Linux 4
+    "enterpriseenterpriseserver": "oracle",  # Oracle Linux 5
+    "redhatenterpriseworkstation": "rhel",  # RHEL 6, 7 Workstation
+    "redhatenterpriseserver": "rhel",  # RHEL 6, 7 Server
+    "redhatenterprisecomputenode": "rhel",  # RHEL 6 ComputeNode
+}
+
+#: Translation table for normalizing the distro ID derived from the file name
+#: of distro release files, for use by the :func:`distro.id` method.
+#:
+#: * Key: Value as derived from the file name of a distro release file,
+#:   translated to lower case, with blanks translated to underscores.
+#:
+#: * Value: Normalized value.
+NORMALIZED_DISTRO_ID = {
+    "redhat": "rhel",  # RHEL 6.x, 7.x
+}
+
+# Pattern for content of distro release file (reversed)
+_DISTRO_RELEASE_CONTENT_REVERSED_PATTERN = re.compile(
+    r"(?:[^)]*\)(.*)\()? *(?:STL )?([\d.+\-a-z]*\d) *(?:esaeler *)?(.+)"
+)
+
+# Pattern for base file name of distro release file
+_DISTRO_RELEASE_BASENAME_PATTERN = re.compile(r"(\w+)[-_](release|version)$")
+
+# Base file names to be looked up for if _UNIXCONFDIR is not readable.
+_DISTRO_RELEASE_BASENAMES = [
+    "SuSE-release",
+    "arch-release",
+    "base-release",
+    "centos-release",
+    "fedora-release",
+    "gentoo-release",
+    "mageia-release",
+    "mandrake-release",
+    "mandriva-release",
+    "mandrivalinux-release",
+    "manjaro-release",
+    "oracle-release",
+    "redhat-release",
+    "rocky-release",
+    "sl-release",
+    "slackware-version",
+]
+
+# Base file names to be ignored when searching for distro release file
+_DISTRO_RELEASE_IGNORE_BASENAMES = (
+    "debian_version",
+    "lsb-release",
+    "oem-release",
+    _OS_RELEASE_BASENAME,
+    "system-release",
+    "plesk-release",
+    "iredmail-release",
+)
+
+
+def linux_distribution(full_distribution_name: bool = True) -> Tuple[str, str, str]:
+    """
+    .. deprecated:: 1.6.0
+
+        :func:`distro.linux_distribution()` is deprecated. It should only be
+        used as a compatibility shim with Python's
+        :py:func:`platform.linux_distribution()`. Please use :func:`distro.id`,
+        :func:`distro.version` and :func:`distro.name` instead.
+
+    Return information about the current OS distribution as a tuple
+    ``(id_name, version, codename)`` with items as follows:
+
+    * ``id_name``:  If *full_distribution_name* is false, the result of
+      :func:`distro.id`. Otherwise, the result of :func:`distro.name`.
+
+    * ``version``:  The result of :func:`distro.version`.
+
+    * ``codename``:  The extra item (usually in parentheses) after the
+      os-release version number, or the result of :func:`distro.codename`.
+
+    The interface of this function is compatible with the original
+    :py:func:`platform.linux_distribution` function, supporting a subset of
+    its parameters.
+
+    The data it returns may not exactly be the same, because it uses more data
+    sources than the original function, and that may lead to different data if
+    the OS distribution is not consistent across multiple data sources it
+    provides (there are indeed such distributions ...).
+
+    Another reason for differences is the fact that the :func:`distro.id`
+    method normalizes the distro ID string to a reliable machine-readable value
+    for a number of popular OS distributions.
+    """
+    warnings.warn(
+        "distro.linux_distribution() is deprecated. It should only be used as a "
+        "compatibility shim with Python's platform.linux_distribution(). Please use "
+        "distro.id(), distro.version() and distro.name() instead.",
+        DeprecationWarning,
+        stacklevel=2,
+    )
+    return _distro.linux_distribution(full_distribution_name)
+
+
+def id() -> str:
+    """
+    Return the distro ID of the current distribution, as a
+    machine-readable string.
+
+    For a number of OS distributions, the returned distro ID value is
+    *reliable*, in the sense that it is documented and that it does not change
+    across releases of the distribution.
+
+    This package maintains the following reliable distro ID values:
+
+    ==============  =========================================
+    Distro ID       Distribution
+    ==============  =========================================
+    "ubuntu"        Ubuntu
+    "debian"        Debian
+    "rhel"          RedHat Enterprise Linux
+    "centos"        CentOS
+    "fedora"        Fedora
+    "sles"          SUSE Linux Enterprise Server
+    "opensuse"      openSUSE
+    "amzn"          Amazon Linux
+    "arch"          Arch Linux
+    "buildroot"     Buildroot
+    "cloudlinux"    CloudLinux OS
+    "exherbo"       Exherbo Linux
+    "gentoo"        GenToo Linux
+    "ibm_powerkvm"  IBM PowerKVM
+    "kvmibm"        KVM for IBM z Systems
+    "linuxmint"     Linux Mint
+    "mageia"        Mageia
+    "mandriva"      Mandriva Linux
+    "parallels"     Parallels
+    "pidora"        Pidora
+    "raspbian"      Raspbian
+    "oracle"        Oracle Linux (and Oracle Enterprise Linux)
+    "scientific"    Scientific Linux
+    "slackware"     Slackware
+    "xenserver"     XenServer
+    "openbsd"       OpenBSD
+    "netbsd"        NetBSD
+    "freebsd"       FreeBSD
+    "midnightbsd"   MidnightBSD
+    "rocky"         Rocky Linux
+    "aix"           AIX
+    "guix"          Guix System
+    ==============  =========================================
+
+    If you have a need to get distros for reliable IDs added into this set,
+    or if you find that the :func:`distro.id` function returns a different
+    distro ID for one of the listed distros, please create an issue in the
+    `distro issue tracker`_.
+
+    **Lookup hierarchy and transformations:**
+
+    First, the ID is obtained from the following sources, in the specified
+    order. The first available and non-empty value is used:
+
+    * the value of the "ID" attribute of the os-release file,
+
+    * the value of the "Distributor ID" attribute returned by the lsb_release
+      command,
+
+    * the first part of the file name of the distro release file,
+
+    The so determined ID value then passes the following transformations,
+    before it is returned by this method:
+
+    * it is translated to lower case,
+
+    * blanks (which should not be there anyway) are translated to underscores,
+
+    * a normalization of the ID is performed, based upon
+      `normalization tables`_. The purpose of this normalization is to ensure
+      that the ID is as reliable as possible, even across incompatible changes
+      in the OS distributions. A common reason for an incompatible change is
+      the addition of an os-release file, or the addition of the lsb_release
+      command, with ID values that differ from what was previously determined
+      from the distro release file name.
+    """
+    return _distro.id()
+
+
+def name(pretty: bool = False) -> str:
+    """
+    Return the name of the current OS distribution, as a human-readable
+    string.
+
+    If *pretty* is false, the name is returned without version or codename.
+    (e.g. "CentOS Linux")
+
+    If *pretty* is true, the version and codename are appended.
+    (e.g. "CentOS Linux 7.1.1503 (Core)")
+
+    **Lookup hierarchy:**
+
+    The name is obtained from the following sources, in the specified order.
+    The first available and non-empty value is used:
+
+    * If *pretty* is false:
+
+      - the value of the "NAME" attribute of the os-release file,
+
+      - the value of the "Distributor ID" attribute returned by the lsb_release
+        command,
+
+      - the value of the "<name>" field of the distro release file.
+
+    * If *pretty* is true:
+
+      - the value of the "PRETTY_NAME" attribute of the os-release file,
+
+      - the value of the "Description" attribute returned by the lsb_release
+        command,
+
+      - the value of the "<name>" field of the distro release file, appended
+        with the value of the pretty version ("<version_id>" and "<codename>"
+        fields) of the distro release file, if available.
+    """
+    return _distro.name(pretty)
+
+
+def version(pretty: bool = False, best: bool = False) -> str:
+    """
+    Return the version of the current OS distribution, as a human-readable
+    string.
+
+    If *pretty* is false, the version is returned without codename (e.g.
+    "7.0").
+
+    If *pretty* is true, the codename in parenthesis is appended, if the
+    codename is non-empty (e.g. "7.0 (Maipo)").
+
+    Some distributions provide version numbers with different precisions in
+    the different sources of distribution information. Examining the different
+    sources in a fixed priority order does not always yield the most precise
+    version (e.g. for Debian 8.2, or CentOS 7.1).
+
+    Some other distributions may not provide this kind of information. In these
+    cases, an empty string would be returned. This behavior can be observed
+    with rolling releases distributions (e.g. Arch Linux).
+
+    The *best* parameter can be used to control the approach for the returned
+    version:
+
+    If *best* is false, the first non-empty version number in priority order of
+    the examined sources is returned.
+
+    If *best* is true, the most precise version number out of all examined
+    sources is returned.
+
+    **Lookup hierarchy:**
+
+    In all cases, the version number is obtained from the following sources.
+    If *best* is false, this order represents the priority order:
+
+    * the value of the "VERSION_ID" attribute of the os-release file,
+    * the value of the "Release" attribute returned by the lsb_release
+      command,
+    * the version number parsed from the "<version_id>" field of the first line
+      of the distro release file,
+    * the version number parsed from the "PRETTY_NAME" attribute of the
+      os-release file, if it follows the format of the distro release files.
+    * the version number parsed from the "Description" attribute returned by
+      the lsb_release command, if it follows the format of the distro release
+      files.
+    """
+    return _distro.version(pretty, best)
+
+
+def version_parts(best: bool = False) -> Tuple[str, str, str]:
+    """
+    Return the version of the current OS distribution as a tuple
+    ``(major, minor, build_number)`` with items as follows:
+
+    * ``major``:  The result of :func:`distro.major_version`.
+
+    * ``minor``:  The result of :func:`distro.minor_version`.
+
+    * ``build_number``:  The result of :func:`distro.build_number`.
+
+    For a description of the *best* parameter, see the :func:`distro.version`
+    method.
+    """
+    return _distro.version_parts(best)
+
+
+def major_version(best: bool = False) -> str:
+    """
+    Return the major version of the current OS distribution, as a string,
+    if provided.
+    Otherwise, the empty string is returned. The major version is the first
+    part of the dot-separated version string.
+
+    For a description of the *best* parameter, see the :func:`distro.version`
+    method.
+    """
+    return _distro.major_version(best)
+
+
+def minor_version(best: bool = False) -> str:
+    """
+    Return the minor version of the current OS distribution, as a string,
+    if provided.
+    Otherwise, the empty string is returned. The minor version is the second
+    part of the dot-separated version string.
+
+    For a description of the *best* parameter, see the :func:`distro.version`
+    method.
+    """
+    return _distro.minor_version(best)
+
+
+def build_number(best: bool = False) -> str:
+    """
+    Return the build number of the current OS distribution, as a string,
+    if provided.
+    Otherwise, the empty string is returned. The build number is the third part
+    of the dot-separated version string.
+
+    For a description of the *best* parameter, see the :func:`distro.version`
+    method.
+    """
+    return _distro.build_number(best)
+
+
+def like() -> str:
+    """
+    Return a space-separated list of distro IDs of distributions that are
+    closely related to the current OS distribution in regards to packaging
+    and programming interfaces, for example distributions the current
+    distribution is a derivative from.
+
+    **Lookup hierarchy:**
+
+    This information item is only provided by the os-release file.
+    For details, see the description of the "ID_LIKE" attribute in the
+    `os-release man page
+    <http://www.freedesktop.org/software/systemd/man/os-release.html>`_.
+    """
+    return _distro.like()
+
+
+def codename() -> str:
+    """
+    Return the codename for the release of the current OS distribution,
+    as a string.
+
+    If the distribution does not have a codename, an empty string is returned.
+
+    Note that the returned codename is not always really a codename. For
+    example, openSUSE returns "x86_64". This function does not handle such
+    cases in any special way and just returns the string it finds, if any.
+
+    **Lookup hierarchy:**
+
+    * the codename within the "VERSION" attribute of the os-release file, if
+      provided,
+
+    * the value of the "Codename" attribute returned by the lsb_release
+      command,
+
+    * the value of the "<codename>" field of the distro release file.
+    """
+    return _distro.codename()
+
+
+def info(pretty: bool = False, best: bool = False) -> InfoDict:
+    """
+    Return certain machine-readable information items about the current OS
+    distribution in a dictionary, as shown in the following example:
+
+    .. sourcecode:: python
+
+        {
+            'id': 'rhel',
+            'version': '7.0',
+            'version_parts': {
+                'major': '7',
+                'minor': '0',
+                'build_number': ''
+            },
+            'like': 'fedora',
+            'codename': 'Maipo'
+        }
+
+    The dictionary structure and keys are always the same, regardless of which
+    information items are available in the underlying data sources. The values
+    for the various keys are as follows:
+
+    * ``id``:  The result of :func:`distro.id`.
+
+    * ``version``:  The result of :func:`distro.version`.
+
+    * ``version_parts -> major``:  The result of :func:`distro.major_version`.
+
+    * ``version_parts -> minor``:  The result of :func:`distro.minor_version`.
+
+    * ``version_parts -> build_number``:  The result of
+      :func:`distro.build_number`.
+
+    * ``like``:  The result of :func:`distro.like`.
+
+    * ``codename``:  The result of :func:`distro.codename`.
+
+    For a description of the *pretty* and *best* parameters, see the
+    :func:`distro.version` method.
+    """
+    return _distro.info(pretty, best)
+
+
+def os_release_info() -> Dict[str, str]:
+    """
+    Return a dictionary containing key-value pairs for the information items
+    from the os-release file data source of the current OS distribution.
+
+    See `os-release file`_ for details about these information items.
+    """
+    return _distro.os_release_info()
+
+
+def lsb_release_info() -> Dict[str, str]:
+    """
+    Return a dictionary containing key-value pairs for the information items
+    from the lsb_release command data source of the current OS distribution.
+
+    See `lsb_release command output`_ for details about these information
+    items.
+    """
+    return _distro.lsb_release_info()
+
+
+def distro_release_info() -> Dict[str, str]:
+    """
+    Return a dictionary containing key-value pairs for the information items
+    from the distro release file data source of the current OS distribution.
+
+    See `distro release file`_ for details about these information items.
+    """
+    return _distro.distro_release_info()
+
+
+def uname_info() -> Dict[str, str]:
+    """
+    Return a dictionary containing key-value pairs for the information items
+    from the distro release file data source of the current OS distribution.
+    """
+    return _distro.uname_info()
+
+
+def os_release_attr(attribute: str) -> str:
+    """
+    Return a single named information item from the os-release file data source
+    of the current OS distribution.
+
+    Parameters:
+
+    * ``attribute`` (string): Key of the information item.
+
+    Returns:
+
+    * (string): Value of the information item, if the item exists.
+      The empty string, if the item does not exist.
+
+    See `os-release file`_ for details about these information items.
+    """
+    return _distro.os_release_attr(attribute)
+
+
+def lsb_release_attr(attribute: str) -> str:
+    """
+    Return a single named information item from the lsb_release command output
+    data source of the current OS distribution.
+
+    Parameters:
+
+    * ``attribute`` (string): Key of the information item.
+
+    Returns:
+
+    * (string): Value of the information item, if the item exists.
+      The empty string, if the item does not exist.
+
+    See `lsb_release command output`_ for details about these information
+    items.
+    """
+    return _distro.lsb_release_attr(attribute)
+
+
+def distro_release_attr(attribute: str) -> str:
+    """
+    Return a single named information item from the distro release file
+    data source of the current OS distribution.
+
+    Parameters:
+
+    * ``attribute`` (string): Key of the information item.
+
+    Returns:
+
+    * (string): Value of the information item, if the item exists.
+      The empty string, if the item does not exist.
+
+    See `distro release file`_ for details about these information items.
+    """
+    return _distro.distro_release_attr(attribute)
+
+
+def uname_attr(attribute: str) -> str:
+    """
+    Return a single named information item from the distro release file
+    data source of the current OS distribution.
+
+    Parameters:
+
+    * ``attribute`` (string): Key of the information item.
+
+    Returns:
+
+    * (string): Value of the information item, if the item exists.
+                The empty string, if the item does not exist.
+    """
+    return _distro.uname_attr(attribute)
+
+
+try:
+    from functools import cached_property
+except ImportError:
+    # Python < 3.8
+    class cached_property:  # type: ignore
+        """A version of @property which caches the value.  On access, it calls the
+        underlying function and sets the value in `__dict__` so future accesses
+        will not re-call the property.
+        """
+
+        def __init__(self, f: Callable[[Any], Any]) -> None:
+            self._fname = f.__name__
+            self._f = f
+
+        def __get__(self, obj: Any, owner: Type[Any]) -> Any:
+            assert obj is not None, f"call {self._fname} on an instance"
+            ret = obj.__dict__[self._fname] = self._f(obj)
+            return ret
+
+
+class LinuxDistribution:
+    """
+    Provides information about a OS distribution.
+
+    This package creates a private module-global instance of this class with
+    default initialization arguments, that is used by the
+    `consolidated accessor functions`_ and `single source accessor functions`_.
+    By using default initialization arguments, that module-global instance
+    returns data about the current OS distribution (i.e. the distro this
+    package runs on).
+
+    Normally, it is not necessary to create additional instances of this class.
+    However, in situations where control is needed over the exact data sources
+    that are used, instances of this class can be created with a specific
+    distro release file, or a specific os-release file, or without invoking the
+    lsb_release command.
+    """
+
+    def __init__(
+        self,
+        include_lsb: Optional[bool] = None,
+        os_release_file: str = "",
+        distro_release_file: str = "",
+        include_uname: Optional[bool] = None,
+        root_dir: Optional[str] = None,
+        include_oslevel: Optional[bool] = None,
+    ) -> None:
+        """
+        The initialization method of this class gathers information from the
+        available data sources, and stores that in private instance attributes.
+        Subsequent access to the information items uses these private instance
+        attributes, so that the data sources are read only once.
+
+        Parameters:
+
+        * ``include_lsb`` (bool): Controls whether the
+          `lsb_release command output`_ is included as a data source.
+
+          If the lsb_release command is not available in the program execution
+          path, the data source for the lsb_release command will be empty.
+
+        * ``os_release_file`` (string): The path name of the
+          `os-release file`_ that is to be used as a data source.
+
+          An empty string (the default) will cause the default path name to
+          be used (see `os-release file`_ for details).
+
+          If the specified or defaulted os-release file does not exist, the
+          data source for the os-release file will be empty.
+
+        * ``distro_release_file`` (string): The path name of the
+          `distro release file`_ that is to be used as a data source.
+
+          An empty string (the default) will cause a default search algorithm
+          to be used (see `distro release file`_ for details).
+
+          If the specified distro release file does not exist, or if no default
+          distro release file can be found, the data source for the distro
+          release file will be empty.
+
+        * ``include_uname`` (bool): Controls whether uname command output is
+          included as a data source. If the uname command is not available in
+          the program execution path the data source for the uname command will
+          be empty.
+
+        * ``root_dir`` (string): The absolute path to the root directory to use
+          to find distro-related information files. Note that ``include_*``
+          parameters must not be enabled in combination with ``root_dir``.
+
+        * ``include_oslevel`` (bool): Controls whether (AIX) oslevel command
+          output is included as a data source. If the oslevel command is not
+          available in the program execution path the data source will be
+          empty.
+
+        Public instance attributes:
+
+        * ``os_release_file`` (string): The path name of the
+          `os-release file`_ that is actually used as a data source. The
+          empty string if no distro release file is used as a data source.
+
+        * ``distro_release_file`` (string): The path name of the
+          `distro release file`_ that is actually used as a data source. The
+          empty string if no distro release file is used as a data source.
+
+        * ``include_lsb`` (bool): The result of the ``include_lsb`` parameter.
+          This controls whether the lsb information will be loaded.
+
+        * ``include_uname`` (bool): The result of the ``include_uname``
+          parameter. This controls whether the uname information will
+          be loaded.
+
+        * ``include_oslevel`` (bool): The result of the ``include_oslevel``
+          parameter. This controls whether (AIX) oslevel information will be
+          loaded.
+
+        * ``root_dir`` (string): The result of the ``root_dir`` parameter.
+          The absolute path to the root directory to use to find distro-related
+          information files.
+
+        Raises:
+
+        * :py:exc:`ValueError`: Initialization parameters combination is not
+           supported.
+
+        * :py:exc:`OSError`: Some I/O issue with an os-release file or distro
+          release file.
+
+        * :py:exc:`UnicodeError`: A data source has unexpected characters or
+          uses an unexpected encoding.
+        """
+        self.root_dir = root_dir
+        self.etc_dir = os.path.join(root_dir, "etc") if root_dir else _UNIXCONFDIR
+        self.usr_lib_dir = (
+            os.path.join(root_dir, "usr/lib") if root_dir else _UNIXUSRLIBDIR
+        )
+
+        if os_release_file:
+            self.os_release_file = os_release_file
+        else:
+            etc_dir_os_release_file = os.path.join(self.etc_dir, _OS_RELEASE_BASENAME)
+            usr_lib_os_release_file = os.path.join(
+                self.usr_lib_dir, _OS_RELEASE_BASENAME
+            )
+
+            # NOTE: The idea is to respect order **and** have it set
+            #       at all times for API backwards compatibility.
+            if os.path.isfile(etc_dir_os_release_file) or not os.path.isfile(
+                usr_lib_os_release_file
+            ):
+                self.os_release_file = etc_dir_os_release_file
+            else:
+                self.os_release_file = usr_lib_os_release_file
+
+        self.distro_release_file = distro_release_file or ""  # updated later
+
+        is_root_dir_defined = root_dir is not None
+        if is_root_dir_defined and (include_lsb or include_uname or include_oslevel):
+            raise ValueError(
+                "Including subprocess data sources from specific root_dir is disallowed"
+                " to prevent false information"
+            )
+        self.include_lsb = (
+            include_lsb if include_lsb is not None else not is_root_dir_defined
+        )
+        self.include_uname = (
+            include_uname if include_uname is not None else not is_root_dir_defined
+        )
+        self.include_oslevel = (
+            include_oslevel if include_oslevel is not None else not is_root_dir_defined
+        )
+
+    def __repr__(self) -> str:
+        """Return repr of all info"""
+        return (
+            "LinuxDistribution("
+            "os_release_file={self.os_release_file!r}, "
+            "distro_release_file={self.distro_release_file!r}, "
+            "include_lsb={self.include_lsb!r}, "
+            "include_uname={self.include_uname!r}, "
+            "include_oslevel={self.include_oslevel!r}, "
+            "root_dir={self.root_dir!r}, "
+            "_os_release_info={self._os_release_info!r}, "
+            "_lsb_release_info={self._lsb_release_info!r}, "
+            "_distro_release_info={self._distro_release_info!r}, "
+            "_uname_info={self._uname_info!r}, "
+            "_oslevel_info={self._oslevel_info!r})".format(self=self)
+        )
+
+    def linux_distribution(
+        self, full_distribution_name: bool = True
+    ) -> Tuple[str, str, str]:
+        """
+        Return information about the OS distribution that is compatible
+        with Python's :func:`platform.linux_distribution`, supporting a subset
+        of its parameters.
+
+        For details, see :func:`distro.linux_distribution`.
+        """
+        return (
+            self.name() if full_distribution_name else self.id(),
+            self.version(),
+            self._os_release_info.get("release_codename") or self.codename(),
+        )
+
+    def id(self) -> str:
+        """Return the distro ID of the OS distribution, as a string.
+
+        For details, see :func:`distro.id`.
+        """
+
+        def normalize(distro_id: str, table: Dict[str, str]) -> str:
+            distro_id = distro_id.lower().replace(" ", "_")
+            return table.get(distro_id, distro_id)
+
+        distro_id = self.os_release_attr("id")
+        if distro_id:
+            return normalize(distro_id, NORMALIZED_OS_ID)
+
+        distro_id = self.lsb_release_attr("distributor_id")
+        if distro_id:
+            return normalize(distro_id, NORMALIZED_LSB_ID)
+
+        distro_id = self.distro_release_attr("id")
+        if distro_id:
+            return normalize(distro_id, NORMALIZED_DISTRO_ID)
+
+        distro_id = self.uname_attr("id")
+        if distro_id:
+            return normalize(distro_id, NORMALIZED_DISTRO_ID)
+
+        return ""
+
+    def name(self, pretty: bool = False) -> str:
+        """
+        Return the name of the OS distribution, as a string.
+
+        For details, see :func:`distro.name`.
+        """
+        name = (
+            self.os_release_attr("name")
+            or self.lsb_release_attr("distributor_id")
+            or self.distro_release_attr("name")
+            or self.uname_attr("name")
+        )
+        if pretty:
+            name = self.os_release_attr("pretty_name") or self.lsb_release_attr(
+                "description"
+            )
+            if not name:
+                name = self.distro_release_attr("name") or self.uname_attr("name")
+                version = self.version(pretty=True)
+                if version:
+                    name = f"{name} {version}"
+        return name or ""
+
+    def version(self, pretty: bool = False, best: bool = False) -> str:
+        """
+        Return the version of the OS distribution, as a string.
+
+        For details, see :func:`distro.version`.
+        """
+        versions = [
+            self.os_release_attr("version_id"),
+            self.lsb_release_attr("release"),
+            self.distro_release_attr("version_id"),
+            self._parse_distro_release_content(self.os_release_attr("pretty_name")).get(
+                "version_id", ""
+            ),
+            self._parse_distro_release_content(
+                self.lsb_release_attr("description")
+            ).get("version_id", ""),
+            self.uname_attr("release"),
+        ]
+        if self.uname_attr("id").startswith("aix"):
+            # On AIX platforms, prefer oslevel command output.
+            versions.insert(0, self.oslevel_info())
+        elif self.id() == "debian" or "debian" in self.like().split():
+            # On Debian-like, add debian_version file content to candidates list.
+            versions.append(self._debian_version)
+        version = ""
+        if best:
+            # This algorithm uses the last version in priority order that has
+            # the best precision. If the versions are not in conflict, that
+            # does not matter; otherwise, using the last one instead of the
+            # first one might be considered a surprise.
+            for v in versions:
+                if v.count(".") > version.count(".") or version == "":
+                    version = v
+        else:
+            for v in versions:
+                if v != "":
+                    version = v
+                    break
+        if pretty and version and self.codename():
+            version = f"{version} ({self.codename()})"
+        return version
+
+    def version_parts(self, best: bool = False) -> Tuple[str, str, str]:
+        """
+        Return the version of the OS distribution, as a tuple of version
+        numbers.
+
+        For details, see :func:`distro.version_parts`.
+        """
+        version_str = self.version(best=best)
+        if version_str:
+            version_regex = re.compile(r"(\d+)\.?(\d+)?\.?(\d+)?")
+            matches = version_regex.match(version_str)
+            if matches:
+                major, minor, build_number = matches.groups()
+                return major, minor or "", build_number or ""
+        return "", "", ""
+
+    def major_version(self, best: bool = False) -> str:
+        """
+        Return the major version number of the current distribution.
+
+        For details, see :func:`distro.major_version`.
+        """
+        return self.version_parts(best)[0]
+
+    def minor_version(self, best: bool = False) -> str:
+        """
+        Return the minor version number of the current distribution.
+
+        For details, see :func:`distro.minor_version`.
+        """
+        return self.version_parts(best)[1]
+
+    def build_number(self, best: bool = False) -> str:
+        """
+        Return the build number of the current distribution.
+
+        For details, see :func:`distro.build_number`.
+        """
+        return self.version_parts(best)[2]
+
+    def like(self) -> str:
+        """
+        Return the IDs of distributions that are like the OS distribution.
+
+        For details, see :func:`distro.like`.
+        """
+        return self.os_release_attr("id_like") or ""
+
+    def codename(self) -> str:
+        """
+        Return the codename of the OS distribution.
+
+        For details, see :func:`distro.codename`.
+        """
+        try:
+            # Handle os_release specially since distros might purposefully set
+            # this to empty string to have no codename
+            return self._os_release_info["codename"]
+        except KeyError:
+            return (
+                self.lsb_release_attr("codename")
+                or self.distro_release_attr("codename")
+                or ""
+            )
+
+    def info(self, pretty: bool = False, best: bool = False) -> InfoDict:
+        """
+        Return certain machine-readable information about the OS
+        distribution.
+
+        For details, see :func:`distro.info`.
+        """
+        return dict(
+            id=self.id(),
+            version=self.version(pretty, best),
+            version_parts=dict(
+                major=self.major_version(best),
+                minor=self.minor_version(best),
+                build_number=self.build_number(best),
+            ),
+            like=self.like(),
+            codename=self.codename(),
+        )
+
+    def os_release_info(self) -> Dict[str, str]:
+        """
+        Return a dictionary containing key-value pairs for the information
+        items from the os-release file data source of the OS distribution.
+
+        For details, see :func:`distro.os_release_info`.
+        """
+        return self._os_release_info
+
+    def lsb_release_info(self) -> Dict[str, str]:
+        """
+        Return a dictionary containing key-value pairs for the information
+        items from the lsb_release command data source of the OS
+        distribution.
+
+        For details, see :func:`distro.lsb_release_info`.
+        """
+        return self._lsb_release_info
+
+    def distro_release_info(self) -> Dict[str, str]:
+        """
+        Return a dictionary containing key-value pairs for the information
+        items from the distro release file data source of the OS
+        distribution.
+
+        For details, see :func:`distro.distro_release_info`.
+        """
+        return self._distro_release_info
+
+    def uname_info(self) -> Dict[str, str]:
+        """
+        Return a dictionary containing key-value pairs for the information
+        items from the uname command data source of the OS distribution.
+
+        For details, see :func:`distro.uname_info`.
+        """
+        return self._uname_info
+
+    def oslevel_info(self) -> str:
+        """
+        Return AIX' oslevel command output.
+        """
+        return self._oslevel_info
+
+    def os_release_attr(self, attribute: str) -> str:
+        """
+        Return a single named information item from the os-release file data
+        source of the OS distribution.
+
+        For details, see :func:`distro.os_release_attr`.
+        """
+        return self._os_release_info.get(attribute, "")
+
+    def lsb_release_attr(self, attribute: str) -> str:
+        """
+        Return a single named information item from the lsb_release command
+        output data source of the OS distribution.
+
+        For details, see :func:`distro.lsb_release_attr`.
+        """
+        return self._lsb_release_info.get(attribute, "")
+
+    def distro_release_attr(self, attribute: str) -> str:
+        """
+        Return a single named information item from the distro release file
+        data source of the OS distribution.
+
+        For details, see :func:`distro.distro_release_attr`.
+        """
+        return self._distro_release_info.get(attribute, "")
+
+    def uname_attr(self, attribute: str) -> str:
+        """
+        Return a single named information item from the uname command
+        output data source of the OS distribution.
+
+        For details, see :func:`distro.uname_attr`.
+        """
+        return self._uname_info.get(attribute, "")
+
+    @cached_property
+    def _os_release_info(self) -> Dict[str, str]:
+        """
+        Get the information items from the specified os-release file.
+
+        Returns:
+            A dictionary containing all information items.
+        """
+        if os.path.isfile(self.os_release_file):
+            with open(self.os_release_file, encoding="utf-8") as release_file:
+                return self._parse_os_release_content(release_file)
+        return {}
+
+    @staticmethod
+    def _parse_os_release_content(lines: TextIO) -> Dict[str, str]:
+        """
+        Parse the lines of an os-release file.
+
+        Parameters:
+
+        * lines: Iterable through the lines in the os-release file.
+                 Each line must be a unicode string or a UTF-8 encoded byte
+                 string.
+
+        Returns:
+            A dictionary containing all information items.
+        """
+        props = {}
+        lexer = shlex.shlex(lines, posix=True)
+        lexer.whitespace_split = True
+
+        tokens = list(lexer)
+        for token in tokens:
+            # At this point, all shell-like parsing has been done (i.e.
+            # comments processed, quotes and backslash escape sequences
+            # processed, multi-line values assembled, trailing newlines
+            # stripped, etc.), so the tokens are now either:
+            # * variable assignments: var=value
+            # * commands or their arguments (not allowed in os-release)
+            # Ignore any tokens that are not variable assignments
+            if "=" in token:
+                k, v = token.split("=", 1)
+                props[k.lower()] = v
+
+        if "version" in props:
+            # extract release codename (if any) from version attribute
+            match = re.search(r"\((\D+)\)|,\s*(\D+)", props["version"])
+            if match:
+                release_codename = match.group(1) or match.group(2)
+                props["codename"] = props["release_codename"] = release_codename
+
+        if "version_codename" in props:
+            # os-release added a version_codename field.  Use that in
+            # preference to anything else Note that some distros purposefully
+            # do not have code names.  They should be setting
+            # version_codename=""
+            props["codename"] = props["version_codename"]
+        elif "ubuntu_codename" in props:
+            # Same as above but a non-standard field name used on older Ubuntus
+            props["codename"] = props["ubuntu_codename"]
+
+        return props
+
+    @cached_property
+    def _lsb_release_info(self) -> Dict[str, str]:
+        """
+        Get the information items from the lsb_release command output.
+
+        Returns:
+            A dictionary containing all information items.
+        """
+        if not self.include_lsb:
+            return {}
+        try:
+            cmd = ("lsb_release", "-a")
+            stdout = subprocess.check_output(cmd, stderr=subprocess.DEVNULL)
+        # Command not found or lsb_release returned error
+        except (OSError, subprocess.CalledProcessError):
+            return {}
+        content = self._to_str(stdout).splitlines()
+        return self._parse_lsb_release_content(content)
+
+    @staticmethod
+    def _parse_lsb_release_content(lines: Iterable[str]) -> Dict[str, str]:
+        """
+        Parse the output of the lsb_release command.
+
+        Parameters:
+
+        * lines: Iterable through the lines of the lsb_release output.
+                 Each line must be a unicode string or a UTF-8 encoded byte
+                 string.
+
+        Returns:
+            A dictionary containing all information items.
+        """
+        props = {}
+        for line in lines:
+            kv = line.strip("\n").split(":", 1)
+            if len(kv) != 2:
+                # Ignore lines without colon.
+                continue
+            k, v = kv
+            props.update({k.replace(" ", "_").lower(): v.strip()})
+        return props
+
+    @cached_property
+    def _uname_info(self) -> Dict[str, str]:
+        if not self.include_uname:
+            return {}
+        try:
+            cmd = ("uname", "-rs")
+            stdout = subprocess.check_output(cmd, stderr=subprocess.DEVNULL)
+        except OSError:
+            return {}
+        content = self._to_str(stdout).splitlines()
+        return self._parse_uname_content(content)
+
+    @cached_property
+    def _oslevel_info(self) -> str:
+        if not self.include_oslevel:
+            return ""
+        try:
+            stdout = subprocess.check_output("oslevel", stderr=subprocess.DEVNULL)
+        except (OSError, subprocess.CalledProcessError):
+            return ""
+        return self._to_str(stdout).strip()
+
+    @cached_property
+    def _debian_version(self) -> str:
+        try:
+            with open(
+                os.path.join(self.etc_dir, "debian_version"), encoding="ascii"
+            ) as fp:
+                return fp.readline().rstrip()
+        except FileNotFoundError:
+            return ""
+
+    @staticmethod
+    def _parse_uname_content(lines: Sequence[str]) -> Dict[str, str]:
+        if not lines:
+            return {}
+        props = {}
+        match = re.search(r"^([^\s]+)\s+([\d\.]+)", lines[0].strip())
+        if match:
+            name, version = match.groups()
+
+            # This is to prevent the Linux kernel version from
+            # appearing as the 'best' version on otherwise
+            # identifiable distributions.
+            if name == "Linux":
+                return {}
+            props["id"] = name.lower()
+            props["name"] = name
+            props["release"] = version
+        return props
+
+    @staticmethod
+    def _to_str(bytestring: bytes) -> str:
+        encoding = sys.getfilesystemencoding()
+        return bytestring.decode(encoding)
+
+    @cached_property
+    def _distro_release_info(self) -> Dict[str, str]:
+        """
+        Get the information items from the specified distro release file.
+
+        Returns:
+            A dictionary containing all information items.
+        """
+        if self.distro_release_file:
+            # If it was specified, we use it and parse what we can, even if
+            # its file name or content does not match the expected pattern.
+            distro_info = self._parse_distro_release_file(self.distro_release_file)
+            basename = os.path.basename(self.distro_release_file)
+            # The file name pattern for user-specified distro release files
+            # is somewhat more tolerant (compared to when searching for the
+            # file), because we want to use what was specified as best as
+            # possible.
+            match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename)
+        else:
+            try:
+                basenames = [
+                    basename
+                    for basename in os.listdir(self.etc_dir)
+                    if basename not in _DISTRO_RELEASE_IGNORE_BASENAMES
+                    and os.path.isfile(os.path.join(self.etc_dir, basename))
+                ]
+                # We sort for repeatability in cases where there are multiple
+                # distro specific files; e.g. CentOS, Oracle, Enterprise all
+                # containing `redhat-release` on top of their own.
+                basenames.sort()
+            except OSError:
+                # This may occur when /etc is not readable but we can't be
+                # sure about the *-release files. Check common entries of
+                # /etc for information. If they turn out to not be there the
+                # error is handled in `_parse_distro_release_file()`.
+                basenames = _DISTRO_RELEASE_BASENAMES
+            for basename in basenames:
+                match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename)
+                if match is None:
+                    continue
+                filepath = os.path.join(self.etc_dir, basename)
+                distro_info = self._parse_distro_release_file(filepath)
+                # The name is always present if the pattern matches.
+                if "name" not in distro_info:
+                    continue
+                self.distro_release_file = filepath
+                break
+            else:  # the loop didn't "break": no candidate.
+                return {}
+
+        if match is not None:
+            distro_info["id"] = match.group(1)
+
+        # CloudLinux < 7: manually enrich info with proper id.
+        if "cloudlinux" in distro_info.get("name", "").lower():
+            distro_info["id"] = "cloudlinux"
+
+        return distro_info
+
+    def _parse_distro_release_file(self, filepath: str) -> Dict[str, str]:
+        """
+        Parse a distro release file.
+
+        Parameters:
+
+        * filepath: Path name of the distro release file.
+
+        Returns:
+            A dictionary containing all information items.
+        """
+        try:
+            with open(filepath, encoding="utf-8") as fp:
+                # Only parse the first line. For instance, on SLES there
+                # are multiple lines. We don't want them...
+                return self._parse_distro_release_content(fp.readline())
+        except OSError:
+            # Ignore not being able to read a specific, seemingly version
+            # related file.
+            # See https://github.com/python-distro/distro/issues/162
+            return {}
+
+    @staticmethod
+    def _parse_distro_release_content(line: str) -> Dict[str, str]:
+        """
+        Parse a line from a distro release file.
+
+        Parameters:
+        * line: Line from the distro release file. Must be a unicode string
+                or a UTF-8 encoded byte string.
+
+        Returns:
+            A dictionary containing all information items.
+        """
+        matches = _DISTRO_RELEASE_CONTENT_REVERSED_PATTERN.match(line.strip()[::-1])
+        distro_info = {}
+        if matches:
+            # regexp ensures non-None
+            distro_info["name"] = matches.group(3)[::-1]
+            if matches.group(2):
+                distro_info["version_id"] = matches.group(2)[::-1]
+            if matches.group(1):
+                distro_info["codename"] = matches.group(1)[::-1]
+        elif line:
+            distro_info["name"] = line.strip()
+        return distro_info
+
+
+_distro = LinuxDistribution()
+
+
+def main() -> None:
+    logger = logging.getLogger(__name__)
+    logger.setLevel(logging.DEBUG)
+    logger.addHandler(logging.StreamHandler(sys.stdout))
+
+    parser = argparse.ArgumentParser(description="OS distro info tool")
+    parser.add_argument(
+        "--json", "-j", help="Output in machine readable format", action="store_true"
+    )
+
+    parser.add_argument(
+        "--root-dir",
+        "-r",
+        type=str,
+        dest="root_dir",
+        help="Path to the root filesystem directory (defaults to /)",
+    )
+
+    args = parser.parse_args()
+
+    if args.root_dir:
+        dist = LinuxDistribution(
+            include_lsb=False,
+            include_uname=False,
+            include_oslevel=False,
+            root_dir=args.root_dir,
+        )
+    else:
+        dist = _distro
+
+    if args.json:
+        logger.info(json.dumps(dist.info(), indent=4, sort_keys=True))
+    else:
+        logger.info("Name: %s", dist.name(pretty=True))
+        distribution_version = dist.version(pretty=True)
+        logger.info("Version: %s", distribution_version)
+        distribution_codename = dist.codename()
+        logger.info("Codename: %s", distribution_codename)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/distro/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/__init__.py
new file mode 100644
index 00000000..a40eeafc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/__init__.py
@@ -0,0 +1,44 @@
+from .package_data import __version__
+from .core import (
+    IDNABidiError,
+    IDNAError,
+    InvalidCodepoint,
+    InvalidCodepointContext,
+    alabel,
+    check_bidi,
+    check_hyphen_ok,
+    check_initial_combiner,
+    check_label,
+    check_nfc,
+    decode,
+    encode,
+    ulabel,
+    uts46_remap,
+    valid_contextj,
+    valid_contexto,
+    valid_label_length,
+    valid_string_length,
+)
+from .intranges import intranges_contain
+
+__all__ = [
+    "IDNABidiError",
+    "IDNAError",
+    "InvalidCodepoint",
+    "InvalidCodepointContext",
+    "alabel",
+    "check_bidi",
+    "check_hyphen_ok",
+    "check_initial_combiner",
+    "check_label",
+    "check_nfc",
+    "decode",
+    "encode",
+    "intranges_contain",
+    "ulabel",
+    "uts46_remap",
+    "valid_contextj",
+    "valid_contexto",
+    "valid_label_length",
+    "valid_string_length",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/codec.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/codec.py
new file mode 100644
index 00000000..1ca9ba62
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/codec.py
@@ -0,0 +1,112 @@
+from .core import encode, decode, alabel, ulabel, IDNAError
+import codecs
+import re
+from typing import Tuple, Optional
+
+_unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]')
+
+class Codec(codecs.Codec):
+
+    def encode(self, data: str, errors: str = 'strict') -> Tuple[bytes, int]:
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return b"", 0
+
+        return encode(data), len(data)
+
+    def decode(self, data: bytes, errors: str = 'strict') -> Tuple[str, int]:
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return '', 0
+
+        return decode(data), len(data)
+
+class IncrementalEncoder(codecs.BufferedIncrementalEncoder):
+    def _buffer_encode(self, data: str, errors: str, final: bool) -> Tuple[str, int]:  # type: ignore
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return "", 0
+
+        labels = _unicode_dots_re.split(data)
+        trailing_dot = ''
+        if labels:
+            if not labels[-1]:
+                trailing_dot = '.'
+                del labels[-1]
+            elif not final:
+                # Keep potentially unfinished label until the next call
+                del labels[-1]
+                if labels:
+                    trailing_dot = '.'
+
+        result = []
+        size = 0
+        for label in labels:
+            result.append(alabel(label))
+            if size:
+                size += 1
+            size += len(label)
+
+        # Join with U+002E
+        result_str = '.'.join(result) + trailing_dot  # type: ignore
+        size += len(trailing_dot)
+        return result_str, size
+
+class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
+    def _buffer_decode(self, data: str, errors: str, final: bool) -> Tuple[str, int]:  # type: ignore
+        if errors != 'strict':
+            raise IDNAError('Unsupported error handling \"{}\"'.format(errors))
+
+        if not data:
+            return ('', 0)
+
+        labels = _unicode_dots_re.split(data)
+        trailing_dot = ''
+        if labels:
+            if not labels[-1]:
+                trailing_dot = '.'
+                del labels[-1]
+            elif not final:
+                # Keep potentially unfinished label until the next call
+                del labels[-1]
+                if labels:
+                    trailing_dot = '.'
+
+        result = []
+        size = 0
+        for label in labels:
+            result.append(ulabel(label))
+            if size:
+                size += 1
+            size += len(label)
+
+        result_str = '.'.join(result) + trailing_dot
+        size += len(trailing_dot)
+        return (result_str, size)
+
+
+class StreamWriter(Codec, codecs.StreamWriter):
+    pass
+
+
+class StreamReader(Codec, codecs.StreamReader):
+    pass
+
+
+def getregentry() -> codecs.CodecInfo:
+    # Compatibility as a search_function for codecs.register()
+    return codecs.CodecInfo(
+        name='idna',
+        encode=Codec().encode,  # type: ignore
+        decode=Codec().decode,  # type: ignore
+        incrementalencoder=IncrementalEncoder,
+        incrementaldecoder=IncrementalDecoder,
+        streamwriter=StreamWriter,
+        streamreader=StreamReader,
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/compat.py
new file mode 100644
index 00000000..786e6bda
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/compat.py
@@ -0,0 +1,13 @@
+from .core import *
+from .codec import *
+from typing import Any, Union
+
+def ToASCII(label: str) -> bytes:
+    return encode(label)
+
+def ToUnicode(label: Union[bytes, bytearray]) -> str:
+    return decode(label)
+
+def nameprep(s: Any) -> None:
+    raise NotImplementedError('IDNA 2008 does not utilise nameprep protocol')
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/core.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/core.py
new file mode 100644
index 00000000..4f300371
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/core.py
@@ -0,0 +1,400 @@
+from . import idnadata
+import bisect
+import unicodedata
+import re
+from typing import Union, Optional
+from .intranges import intranges_contain
+
+_virama_combining_class = 9
+_alabel_prefix = b'xn--'
+_unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]')
+
+class IDNAError(UnicodeError):
+    """ Base exception for all IDNA-encoding related problems """
+    pass
+
+
+class IDNABidiError(IDNAError):
+    """ Exception when bidirectional requirements are not satisfied """
+    pass
+
+
+class InvalidCodepoint(IDNAError):
+    """ Exception when a disallowed or unallocated codepoint is used """
+    pass
+
+
+class InvalidCodepointContext(IDNAError):
+    """ Exception when the codepoint is not valid in the context it is used """
+    pass
+
+
+def _combining_class(cp: int) -> int:
+    v = unicodedata.combining(chr(cp))
+    if v == 0:
+        if not unicodedata.name(chr(cp)):
+            raise ValueError('Unknown character in unicodedata')
+    return v
+
+def _is_script(cp: str, script: str) -> bool:
+    return intranges_contain(ord(cp), idnadata.scripts[script])
+
+def _punycode(s: str) -> bytes:
+    return s.encode('punycode')
+
+def _unot(s: int) -> str:
+    return 'U+{:04X}'.format(s)
+
+
+def valid_label_length(label: Union[bytes, str]) -> bool:
+    if len(label) > 63:
+        return False
+    return True
+
+
+def valid_string_length(label: Union[bytes, str], trailing_dot: bool) -> bool:
+    if len(label) > (254 if trailing_dot else 253):
+        return False
+    return True
+
+
+def check_bidi(label: str, check_ltr: bool = False) -> bool:
+    # Bidi rules should only be applied if string contains RTL characters
+    bidi_label = False
+    for (idx, cp) in enumerate(label, 1):
+        direction = unicodedata.bidirectional(cp)
+        if direction == '':
+            # String likely comes from a newer version of Unicode
+            raise IDNABidiError('Unknown directionality in label {} at position {}'.format(repr(label), idx))
+        if direction in ['R', 'AL', 'AN']:
+            bidi_label = True
+    if not bidi_label and not check_ltr:
+        return True
+
+    # Bidi rule 1
+    direction = unicodedata.bidirectional(label[0])
+    if direction in ['R', 'AL']:
+        rtl = True
+    elif direction == 'L':
+        rtl = False
+    else:
+        raise IDNABidiError('First codepoint in label {} must be directionality L, R or AL'.format(repr(label)))
+
+    valid_ending = False
+    number_type = None  # type: Optional[str]
+    for (idx, cp) in enumerate(label, 1):
+        direction = unicodedata.bidirectional(cp)
+
+        if rtl:
+            # Bidi rule 2
+            if not direction in ['R', 'AL', 'AN', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']:
+                raise IDNABidiError('Invalid direction for codepoint at position {} in a right-to-left label'.format(idx))
+            # Bidi rule 3
+            if direction in ['R', 'AL', 'EN', 'AN']:
+                valid_ending = True
+            elif direction != 'NSM':
+                valid_ending = False
+            # Bidi rule 4
+            if direction in ['AN', 'EN']:
+                if not number_type:
+                    number_type = direction
+                else:
+                    if number_type != direction:
+                        raise IDNABidiError('Can not mix numeral types in a right-to-left label')
+        else:
+            # Bidi rule 5
+            if not direction in ['L', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']:
+                raise IDNABidiError('Invalid direction for codepoint at position {} in a left-to-right label'.format(idx))
+            # Bidi rule 6
+            if direction in ['L', 'EN']:
+                valid_ending = True
+            elif direction != 'NSM':
+                valid_ending = False
+
+    if not valid_ending:
+        raise IDNABidiError('Label ends with illegal codepoint directionality')
+
+    return True
+
+
+def check_initial_combiner(label: str) -> bool:
+    if unicodedata.category(label[0])[0] == 'M':
+        raise IDNAError('Label begins with an illegal combining character')
+    return True
+
+
+def check_hyphen_ok(label: str) -> bool:
+    if label[2:4] == '--':
+        raise IDNAError('Label has disallowed hyphens in 3rd and 4th position')
+    if label[0] == '-' or label[-1] == '-':
+        raise IDNAError('Label must not start or end with a hyphen')
+    return True
+
+
+def check_nfc(label: str) -> None:
+    if unicodedata.normalize('NFC', label) != label:
+        raise IDNAError('Label must be in Normalization Form C')
+
+
+def valid_contextj(label: str, pos: int) -> bool:
+    cp_value = ord(label[pos])
+
+    if cp_value == 0x200c:
+
+        if pos > 0:
+            if _combining_class(ord(label[pos - 1])) == _virama_combining_class:
+                return True
+
+        ok = False
+        for i in range(pos-1, -1, -1):
+            joining_type = idnadata.joining_types.get(ord(label[i]))
+            if joining_type == ord('T'):
+                continue
+            if joining_type in [ord('L'), ord('D')]:
+                ok = True
+                break
+
+        if not ok:
+            return False
+
+        ok = False
+        for i in range(pos+1, len(label)):
+            joining_type = idnadata.joining_types.get(ord(label[i]))
+            if joining_type == ord('T'):
+                continue
+            if joining_type in [ord('R'), ord('D')]:
+                ok = True
+                break
+        return ok
+
+    if cp_value == 0x200d:
+
+        if pos > 0:
+            if _combining_class(ord(label[pos - 1])) == _virama_combining_class:
+                return True
+        return False
+
+    else:
+
+        return False
+
+
+def valid_contexto(label: str, pos: int, exception: bool = False) -> bool:
+    cp_value = ord(label[pos])
+
+    if cp_value == 0x00b7:
+        if 0 < pos < len(label)-1:
+            if ord(label[pos - 1]) == 0x006c and ord(label[pos + 1]) == 0x006c:
+                return True
+        return False
+
+    elif cp_value == 0x0375:
+        if pos < len(label)-1 and len(label) > 1:
+            return _is_script(label[pos + 1], 'Greek')
+        return False
+
+    elif cp_value == 0x05f3 or cp_value == 0x05f4:
+        if pos > 0:
+            return _is_script(label[pos - 1], 'Hebrew')
+        return False
+
+    elif cp_value == 0x30fb:
+        for cp in label:
+            if cp == '\u30fb':
+                continue
+            if _is_script(cp, 'Hiragana') or _is_script(cp, 'Katakana') or _is_script(cp, 'Han'):
+                return True
+        return False
+
+    elif 0x660 <= cp_value <= 0x669:
+        for cp in label:
+            if 0x6f0 <= ord(cp) <= 0x06f9:
+                return False
+        return True
+
+    elif 0x6f0 <= cp_value <= 0x6f9:
+        for cp in label:
+            if 0x660 <= ord(cp) <= 0x0669:
+                return False
+        return True
+
+    return False
+
+
+def check_label(label: Union[str, bytes, bytearray]) -> None:
+    if isinstance(label, (bytes, bytearray)):
+        label = label.decode('utf-8')
+    if len(label) == 0:
+        raise IDNAError('Empty Label')
+
+    check_nfc(label)
+    check_hyphen_ok(label)
+    check_initial_combiner(label)
+
+    for (pos, cp) in enumerate(label):
+        cp_value = ord(cp)
+        if intranges_contain(cp_value, idnadata.codepoint_classes['PVALID']):
+            continue
+        elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTJ']):
+            try:
+                if not valid_contextj(label, pos):
+                    raise InvalidCodepointContext('Joiner {} not allowed at position {} in {}'.format(
+                        _unot(cp_value), pos+1, repr(label)))
+            except ValueError:
+                raise IDNAError('Unknown codepoint adjacent to joiner {} at position {} in {}'.format(
+                    _unot(cp_value), pos+1, repr(label)))
+        elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTO']):
+            if not valid_contexto(label, pos):
+                raise InvalidCodepointContext('Codepoint {} not allowed at position {} in {}'.format(_unot(cp_value), pos+1, repr(label)))
+        else:
+            raise InvalidCodepoint('Codepoint {} at position {} of {} not allowed'.format(_unot(cp_value), pos+1, repr(label)))
+
+    check_bidi(label)
+
+
+def alabel(label: str) -> bytes:
+    try:
+        label_bytes = label.encode('ascii')
+        ulabel(label_bytes)
+        if not valid_label_length(label_bytes):
+            raise IDNAError('Label too long')
+        return label_bytes
+    except UnicodeEncodeError:
+        pass
+
+    if not label:
+        raise IDNAError('No Input')
+
+    label = str(label)
+    check_label(label)
+    label_bytes = _punycode(label)
+    label_bytes = _alabel_prefix + label_bytes
+
+    if not valid_label_length(label_bytes):
+        raise IDNAError('Label too long')
+
+    return label_bytes
+
+
+def ulabel(label: Union[str, bytes, bytearray]) -> str:
+    if not isinstance(label, (bytes, bytearray)):
+        try:
+            label_bytes = label.encode('ascii')
+        except UnicodeEncodeError:
+            check_label(label)
+            return label
+    else:
+        label_bytes = label
+
+    label_bytes = label_bytes.lower()
+    if label_bytes.startswith(_alabel_prefix):
+        label_bytes = label_bytes[len(_alabel_prefix):]
+        if not label_bytes:
+            raise IDNAError('Malformed A-label, no Punycode eligible content found')
+        if label_bytes.decode('ascii')[-1] == '-':
+            raise IDNAError('A-label must not end with a hyphen')
+    else:
+        check_label(label_bytes)
+        return label_bytes.decode('ascii')
+
+    try:
+        label = label_bytes.decode('punycode')
+    except UnicodeError:
+        raise IDNAError('Invalid A-label')
+    check_label(label)
+    return label
+
+
+def uts46_remap(domain: str, std3_rules: bool = True, transitional: bool = False) -> str:
+    """Re-map the characters in the string according to UTS46 processing."""
+    from .uts46data import uts46data
+    output = ''
+
+    for pos, char in enumerate(domain):
+        code_point = ord(char)
+        try:
+            uts46row = uts46data[code_point if code_point < 256 else
+                bisect.bisect_left(uts46data, (code_point, 'Z')) - 1]
+            status = uts46row[1]
+            replacement = None  # type: Optional[str]
+            if len(uts46row) == 3:
+                replacement = uts46row[2]  # type: ignore
+            if (status == 'V' or
+                    (status == 'D' and not transitional) or
+                    (status == '3' and not std3_rules and replacement is None)):
+                output += char
+            elif replacement is not None and (status == 'M' or
+                    (status == '3' and not std3_rules) or
+                    (status == 'D' and transitional)):
+                output += replacement
+            elif status != 'I':
+                raise IndexError()
+        except IndexError:
+            raise InvalidCodepoint(
+                'Codepoint {} not allowed at position {} in {}'.format(
+                _unot(code_point), pos + 1, repr(domain)))
+
+    return unicodedata.normalize('NFC', output)
+
+
+def encode(s: Union[str, bytes, bytearray], strict: bool = False, uts46: bool = False, std3_rules: bool = False, transitional: bool = False) -> bytes:
+    if isinstance(s, (bytes, bytearray)):
+        try:
+            s = s.decode('ascii')
+        except UnicodeDecodeError:
+            raise IDNAError('should pass a unicode string to the function rather than a byte string.')
+    if uts46:
+        s = uts46_remap(s, std3_rules, transitional)
+    trailing_dot = False
+    result = []
+    if strict:
+        labels = s.split('.')
+    else:
+        labels = _unicode_dots_re.split(s)
+    if not labels or labels == ['']:
+        raise IDNAError('Empty domain')
+    if labels[-1] == '':
+        del labels[-1]
+        trailing_dot = True
+    for label in labels:
+        s = alabel(label)
+        if s:
+            result.append(s)
+        else:
+            raise IDNAError('Empty label')
+    if trailing_dot:
+        result.append(b'')
+    s = b'.'.join(result)
+    if not valid_string_length(s, trailing_dot):
+        raise IDNAError('Domain too long')
+    return s
+
+
+def decode(s: Union[str, bytes, bytearray], strict: bool = False, uts46: bool = False, std3_rules: bool = False) -> str:
+    try:
+        if isinstance(s, (bytes, bytearray)):
+            s = s.decode('ascii')
+    except UnicodeDecodeError:
+        raise IDNAError('Invalid ASCII in A-label')
+    if uts46:
+        s = uts46_remap(s, std3_rules, False)
+    trailing_dot = False
+    result = []
+    if not strict:
+        labels = _unicode_dots_re.split(s)
+    else:
+        labels = s.split('.')
+    if not labels or labels == ['']:
+        raise IDNAError('Empty domain')
+    if not labels[-1]:
+        del labels[-1]
+        trailing_dot = True
+    for label in labels:
+        s = ulabel(label)
+        if s:
+            result.append(s)
+        else:
+            raise IDNAError('Empty label')
+    if trailing_dot:
+        result.append('')
+    return '.'.join(result)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/idnadata.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/idnadata.py
new file mode 100644
index 00000000..67db4625
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/idnadata.py
@@ -0,0 +1,2151 @@
+# This file is automatically generated by tools/idna-data
+
+__version__ = '15.0.0'
+scripts = {
+    'Greek': (
+        0x37000000374,
+        0x37500000378,
+        0x37a0000037e,
+        0x37f00000380,
+        0x38400000385,
+        0x38600000387,
+        0x3880000038b,
+        0x38c0000038d,
+        0x38e000003a2,
+        0x3a3000003e2,
+        0x3f000000400,
+        0x1d2600001d2b,
+        0x1d5d00001d62,
+        0x1d6600001d6b,
+        0x1dbf00001dc0,
+        0x1f0000001f16,
+        0x1f1800001f1e,
+        0x1f2000001f46,
+        0x1f4800001f4e,
+        0x1f5000001f58,
+        0x1f5900001f5a,
+        0x1f5b00001f5c,
+        0x1f5d00001f5e,
+        0x1f5f00001f7e,
+        0x1f8000001fb5,
+        0x1fb600001fc5,
+        0x1fc600001fd4,
+        0x1fd600001fdc,
+        0x1fdd00001ff0,
+        0x1ff200001ff5,
+        0x1ff600001fff,
+        0x212600002127,
+        0xab650000ab66,
+        0x101400001018f,
+        0x101a0000101a1,
+        0x1d2000001d246,
+    ),
+    'Han': (
+        0x2e8000002e9a,
+        0x2e9b00002ef4,
+        0x2f0000002fd6,
+        0x300500003006,
+        0x300700003008,
+        0x30210000302a,
+        0x30380000303c,
+        0x340000004dc0,
+        0x4e000000a000,
+        0xf9000000fa6e,
+        0xfa700000fada,
+        0x16fe200016fe4,
+        0x16ff000016ff2,
+        0x200000002a6e0,
+        0x2a7000002b73a,
+        0x2b7400002b81e,
+        0x2b8200002cea2,
+        0x2ceb00002ebe1,
+        0x2f8000002fa1e,
+        0x300000003134b,
+        0x31350000323b0,
+    ),
+    'Hebrew': (
+        0x591000005c8,
+        0x5d0000005eb,
+        0x5ef000005f5,
+        0xfb1d0000fb37,
+        0xfb380000fb3d,
+        0xfb3e0000fb3f,
+        0xfb400000fb42,
+        0xfb430000fb45,
+        0xfb460000fb50,
+    ),
+    'Hiragana': (
+        0x304100003097,
+        0x309d000030a0,
+        0x1b0010001b120,
+        0x1b1320001b133,
+        0x1b1500001b153,
+        0x1f2000001f201,
+    ),
+    'Katakana': (
+        0x30a1000030fb,
+        0x30fd00003100,
+        0x31f000003200,
+        0x32d0000032ff,
+        0x330000003358,
+        0xff660000ff70,
+        0xff710000ff9e,
+        0x1aff00001aff4,
+        0x1aff50001affc,
+        0x1affd0001afff,
+        0x1b0000001b001,
+        0x1b1200001b123,
+        0x1b1550001b156,
+        0x1b1640001b168,
+    ),
+}
+joining_types = {
+    0x600: 85,
+    0x601: 85,
+    0x602: 85,
+    0x603: 85,
+    0x604: 85,
+    0x605: 85,
+    0x608: 85,
+    0x60b: 85,
+    0x620: 68,
+    0x621: 85,
+    0x622: 82,
+    0x623: 82,
+    0x624: 82,
+    0x625: 82,
+    0x626: 68,
+    0x627: 82,
+    0x628: 68,
+    0x629: 82,
+    0x62a: 68,
+    0x62b: 68,
+    0x62c: 68,
+    0x62d: 68,
+    0x62e: 68,
+    0x62f: 82,
+    0x630: 82,
+    0x631: 82,
+    0x632: 82,
+    0x633: 68,
+    0x634: 68,
+    0x635: 68,
+    0x636: 68,
+    0x637: 68,
+    0x638: 68,
+    0x639: 68,
+    0x63a: 68,
+    0x63b: 68,
+    0x63c: 68,
+    0x63d: 68,
+    0x63e: 68,
+    0x63f: 68,
+    0x640: 67,
+    0x641: 68,
+    0x642: 68,
+    0x643: 68,
+    0x644: 68,
+    0x645: 68,
+    0x646: 68,
+    0x647: 68,
+    0x648: 82,
+    0x649: 68,
+    0x64a: 68,
+    0x66e: 68,
+    0x66f: 68,
+    0x671: 82,
+    0x672: 82,
+    0x673: 82,
+    0x674: 85,
+    0x675: 82,
+    0x676: 82,
+    0x677: 82,
+    0x678: 68,
+    0x679: 68,
+    0x67a: 68,
+    0x67b: 68,
+    0x67c: 68,
+    0x67d: 68,
+    0x67e: 68,
+    0x67f: 68,
+    0x680: 68,
+    0x681: 68,
+    0x682: 68,
+    0x683: 68,
+    0x684: 68,
+    0x685: 68,
+    0x686: 68,
+    0x687: 68,
+    0x688: 82,
+    0x689: 82,
+    0x68a: 82,
+    0x68b: 82,
+    0x68c: 82,
+    0x68d: 82,
+    0x68e: 82,
+    0x68f: 82,
+    0x690: 82,
+    0x691: 82,
+    0x692: 82,
+    0x693: 82,
+    0x694: 82,
+    0x695: 82,
+    0x696: 82,
+    0x697: 82,
+    0x698: 82,
+    0x699: 82,
+    0x69a: 68,
+    0x69b: 68,
+    0x69c: 68,
+    0x69d: 68,
+    0x69e: 68,
+    0x69f: 68,
+    0x6a0: 68,
+    0x6a1: 68,
+    0x6a2: 68,
+    0x6a3: 68,
+    0x6a4: 68,
+    0x6a5: 68,
+    0x6a6: 68,
+    0x6a7: 68,
+    0x6a8: 68,
+    0x6a9: 68,
+    0x6aa: 68,
+    0x6ab: 68,
+    0x6ac: 68,
+    0x6ad: 68,
+    0x6ae: 68,
+    0x6af: 68,
+    0x6b0: 68,
+    0x6b1: 68,
+    0x6b2: 68,
+    0x6b3: 68,
+    0x6b4: 68,
+    0x6b5: 68,
+    0x6b6: 68,
+    0x6b7: 68,
+    0x6b8: 68,
+    0x6b9: 68,
+    0x6ba: 68,
+    0x6bb: 68,
+    0x6bc: 68,
+    0x6bd: 68,
+    0x6be: 68,
+    0x6bf: 68,
+    0x6c0: 82,
+    0x6c1: 68,
+    0x6c2: 68,
+    0x6c3: 82,
+    0x6c4: 82,
+    0x6c5: 82,
+    0x6c6: 82,
+    0x6c7: 82,
+    0x6c8: 82,
+    0x6c9: 82,
+    0x6ca: 82,
+    0x6cb: 82,
+    0x6cc: 68,
+    0x6cd: 82,
+    0x6ce: 68,
+    0x6cf: 82,
+    0x6d0: 68,
+    0x6d1: 68,
+    0x6d2: 82,
+    0x6d3: 82,
+    0x6d5: 82,
+    0x6dd: 85,
+    0x6ee: 82,
+    0x6ef: 82,
+    0x6fa: 68,
+    0x6fb: 68,
+    0x6fc: 68,
+    0x6ff: 68,
+    0x70f: 84,
+    0x710: 82,
+    0x712: 68,
+    0x713: 68,
+    0x714: 68,
+    0x715: 82,
+    0x716: 82,
+    0x717: 82,
+    0x718: 82,
+    0x719: 82,
+    0x71a: 68,
+    0x71b: 68,
+    0x71c: 68,
+    0x71d: 68,
+    0x71e: 82,
+    0x71f: 68,
+    0x720: 68,
+    0x721: 68,
+    0x722: 68,
+    0x723: 68,
+    0x724: 68,
+    0x725: 68,
+    0x726: 68,
+    0x727: 68,
+    0x728: 82,
+    0x729: 68,
+    0x72a: 82,
+    0x72b: 68,
+    0x72c: 82,
+    0x72d: 68,
+    0x72e: 68,
+    0x72f: 82,
+    0x74d: 82,
+    0x74e: 68,
+    0x74f: 68,
+    0x750: 68,
+    0x751: 68,
+    0x752: 68,
+    0x753: 68,
+    0x754: 68,
+    0x755: 68,
+    0x756: 68,
+    0x757: 68,
+    0x758: 68,
+    0x759: 82,
+    0x75a: 82,
+    0x75b: 82,
+    0x75c: 68,
+    0x75d: 68,
+    0x75e: 68,
+    0x75f: 68,
+    0x760: 68,
+    0x761: 68,
+    0x762: 68,
+    0x763: 68,
+    0x764: 68,
+    0x765: 68,
+    0x766: 68,
+    0x767: 68,
+    0x768: 68,
+    0x769: 68,
+    0x76a: 68,
+    0x76b: 82,
+    0x76c: 82,
+    0x76d: 68,
+    0x76e: 68,
+    0x76f: 68,
+    0x770: 68,
+    0x771: 82,
+    0x772: 68,
+    0x773: 82,
+    0x774: 82,
+    0x775: 68,
+    0x776: 68,
+    0x777: 68,
+    0x778: 82,
+    0x779: 82,
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+}
+codepoint_classes = {
+    'PVALID': (
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+        0x20d0000020e,
+        0x20f00000210,
+        0x21100000212,
+        0x21300000214,
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+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/intranges.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/intranges.py
new file mode 100644
index 00000000..6a43b047
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/intranges.py
@@ -0,0 +1,54 @@
+"""
+Given a list of integers, made up of (hopefully) a small number of long runs
+of consecutive integers, compute a representation of the form
+((start1, end1), (start2, end2) ...). Then answer the question "was x present
+in the original list?" in time O(log(# runs)).
+"""
+
+import bisect
+from typing import List, Tuple
+
+def intranges_from_list(list_: List[int]) -> Tuple[int, ...]:
+    """Represent a list of integers as a sequence of ranges:
+    ((start_0, end_0), (start_1, end_1), ...), such that the original
+    integers are exactly those x such that start_i <= x < end_i for some i.
+
+    Ranges are encoded as single integers (start << 32 | end), not as tuples.
+    """
+
+    sorted_list = sorted(list_)
+    ranges = []
+    last_write = -1
+    for i in range(len(sorted_list)):
+        if i+1 < len(sorted_list):
+            if sorted_list[i] == sorted_list[i+1]-1:
+                continue
+        current_range = sorted_list[last_write+1:i+1]
+        ranges.append(_encode_range(current_range[0], current_range[-1] + 1))
+        last_write = i
+
+    return tuple(ranges)
+
+def _encode_range(start: int, end: int) -> int:
+    return (start << 32) | end
+
+def _decode_range(r: int) -> Tuple[int, int]:
+    return (r >> 32), (r & ((1 << 32) - 1))
+
+
+def intranges_contain(int_: int, ranges: Tuple[int, ...]) -> bool:
+    """Determine if `int_` falls into one of the ranges in `ranges`."""
+    tuple_ = _encode_range(int_, 0)
+    pos = bisect.bisect_left(ranges, tuple_)
+    # we could be immediately ahead of a tuple (start, end)
+    # with start < int_ <= end
+    if pos > 0:
+        left, right = _decode_range(ranges[pos-1])
+        if left <= int_ < right:
+            return True
+    # or we could be immediately behind a tuple (int_, end)
+    if pos < len(ranges):
+        left, _ = _decode_range(ranges[pos])
+        if left == int_:
+            return True
+    return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/package_data.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/package_data.py
new file mode 100644
index 00000000..8501893b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/package_data.py
@@ -0,0 +1,2 @@
+__version__ = '3.4'
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/uts46data.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/uts46data.py
new file mode 100644
index 00000000..186796c1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/idna/uts46data.py
@@ -0,0 +1,8600 @@
+# This file is automatically generated by tools/idna-data
+# vim: set fileencoding=utf-8 :
+
+from typing import List, Tuple, Union
+
+
+"""IDNA Mapping Table from UTS46."""
+
+
+__version__ = '15.0.0'
+def _seg_0() -> List[Union[Tuple[int, str], Tuple[int, str, str]]]:
+    return [
+    (0x0, '3'),
+    (0x1, '3'),
+    (0x2, '3'),
+    (0x3, '3'),
+    (0x4, '3'),
+    (0x5, '3'),
+    (0x6, '3'),
+    (0x7, '3'),
+    (0x8, '3'),
+    (0x9, '3'),
+    (0xA, '3'),
+    (0xB, '3'),
+    (0xC, '3'),
+    (0xD, '3'),
+    (0xE, '3'),
+    (0xF, '3'),
+    (0x10, '3'),
+    (0x11, '3'),
+    (0x12, '3'),
+    (0x13, '3'),
+    (0x14, '3'),
+    (0x15, '3'),
+    (0x16, '3'),
+    (0x17, '3'),
+    (0x18, '3'),
+    (0x19, '3'),
+    (0x1A, '3'),
+    (0x1B, '3'),
+    (0x1C, '3'),
+    (0x1D, '3'),
+    (0x1E, '3'),
+    (0x1F, '3'),
+    (0x20, '3'),
+    (0x21, '3'),
+    (0x22, '3'),
+    (0x23, '3'),
+    (0x24, '3'),
+    (0x25, '3'),
+    (0x26, '3'),
+    (0x27, '3'),
+    (0x28, '3'),
+    (0x29, '3'),
+    (0x2A, '3'),
+    (0x2B, '3'),
+    (0x2C, '3'),
+    (0x2D, 'V'),
+    (0x2E, 'V'),
+    (0x2F, '3'),
+    (0x30, 'V'),
+    (0x31, 'V'),
+    (0x32, 'V'),
+    (0x33, 'V'),
+    (0x34, 'V'),
+    (0x35, 'V'),
+    (0x36, 'V'),
+    (0x37, 'V'),
+    (0x38, 'V'),
+    (0x39, 'V'),
+    (0x3A, '3'),
+    (0x3B, '3'),
+    (0x3C, '3'),
+    (0x3D, '3'),
+    (0x3E, '3'),
+    (0x3F, '3'),
+    (0x40, '3'),
+    (0x41, 'M', 'a'),
+    (0x42, 'M', 'b'),
+    (0x43, 'M', 'c'),
+    (0x44, 'M', 'd'),
+    (0x45, 'M', 'e'),
+    (0x46, 'M', 'f'),
+    (0x47, 'M', 'g'),
+    (0x48, 'M', 'h'),
+    (0x49, 'M', 'i'),
+    (0x4A, 'M', 'j'),
+    (0x4B, 'M', 'k'),
+    (0x4C, 'M', 'l'),
+    (0x4D, 'M', 'm'),
+    (0x4E, 'M', 'n'),
+    (0x4F, 'M', 'o'),
+    (0x50, 'M', 'p'),
+    (0x51, 'M', 'q'),
+    (0x52, 'M', 'r'),
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+    (0x2FA1C, 'M', '鼻'),
+    (0x2FA1D, 'M', '𪘀'),
+    (0x2FA1E, 'X'),
+    (0x30000, 'V'),
+    (0x3134B, 'X'),
+    (0x31350, 'V'),
+    (0x323B0, 'X'),
+    (0xE0100, 'I'),
+    (0xE01F0, 'X'),
+    ]
+
+uts46data = tuple(
+    _seg_0()
+    + _seg_1()
+    + _seg_2()
+    + _seg_3()
+    + _seg_4()
+    + _seg_5()
+    + _seg_6()
+    + _seg_7()
+    + _seg_8()
+    + _seg_9()
+    + _seg_10()
+    + _seg_11()
+    + _seg_12()
+    + _seg_13()
+    + _seg_14()
+    + _seg_15()
+    + _seg_16()
+    + _seg_17()
+    + _seg_18()
+    + _seg_19()
+    + _seg_20()
+    + _seg_21()
+    + _seg_22()
+    + _seg_23()
+    + _seg_24()
+    + _seg_25()
+    + _seg_26()
+    + _seg_27()
+    + _seg_28()
+    + _seg_29()
+    + _seg_30()
+    + _seg_31()
+    + _seg_32()
+    + _seg_33()
+    + _seg_34()
+    + _seg_35()
+    + _seg_36()
+    + _seg_37()
+    + _seg_38()
+    + _seg_39()
+    + _seg_40()
+    + _seg_41()
+    + _seg_42()
+    + _seg_43()
+    + _seg_44()
+    + _seg_45()
+    + _seg_46()
+    + _seg_47()
+    + _seg_48()
+    + _seg_49()
+    + _seg_50()
+    + _seg_51()
+    + _seg_52()
+    + _seg_53()
+    + _seg_54()
+    + _seg_55()
+    + _seg_56()
+    + _seg_57()
+    + _seg_58()
+    + _seg_59()
+    + _seg_60()
+    + _seg_61()
+    + _seg_62()
+    + _seg_63()
+    + _seg_64()
+    + _seg_65()
+    + _seg_66()
+    + _seg_67()
+    + _seg_68()
+    + _seg_69()
+    + _seg_70()
+    + _seg_71()
+    + _seg_72()
+    + _seg_73()
+    + _seg_74()
+    + _seg_75()
+    + _seg_76()
+    + _seg_77()
+    + _seg_78()
+    + _seg_79()
+    + _seg_80()
+    + _seg_81()
+)  # type: Tuple[Union[Tuple[int, str], Tuple[int, str, str]], ...]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/__init__.py
new file mode 100644
index 00000000..1300b866
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/__init__.py
@@ -0,0 +1,57 @@
+# coding: utf-8
+from .exceptions import *
+from .ext import ExtType, Timestamp
+
+import os
+import sys
+
+
+version = (1, 0, 5)
+__version__ = "1.0.5"
+
+
+if os.environ.get("MSGPACK_PUREPYTHON") or sys.version_info[0] == 2:
+    from .fallback import Packer, unpackb, Unpacker
+else:
+    try:
+        from ._cmsgpack import Packer, unpackb, Unpacker
+    except ImportError:
+        from .fallback import Packer, unpackb, Unpacker
+
+
+def pack(o, stream, **kwargs):
+    """
+    Pack object `o` and write it to `stream`
+
+    See :class:`Packer` for options.
+    """
+    packer = Packer(**kwargs)
+    stream.write(packer.pack(o))
+
+
+def packb(o, **kwargs):
+    """
+    Pack object `o` and return packed bytes
+
+    See :class:`Packer` for options.
+    """
+    return Packer(**kwargs).pack(o)
+
+
+def unpack(stream, **kwargs):
+    """
+    Unpack an object from `stream`.
+
+    Raises `ExtraData` when `stream` contains extra bytes.
+    See :class:`Unpacker` for options.
+    """
+    data = stream.read()
+    return unpackb(data, **kwargs)
+
+
+# alias for compatibility to simplejson/marshal/pickle.
+load = unpack
+loads = unpackb
+
+dump = pack
+dumps = packb
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/__pycache__/fallback.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/__pycache__/fallback.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/exceptions.py
new file mode 100644
index 00000000..d6d2615c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/exceptions.py
@@ -0,0 +1,48 @@
+class UnpackException(Exception):
+    """Base class for some exceptions raised while unpacking.
+
+    NOTE: unpack may raise exception other than subclass of
+    UnpackException.  If you want to catch all error, catch
+    Exception instead.
+    """
+
+
+class BufferFull(UnpackException):
+    pass
+
+
+class OutOfData(UnpackException):
+    pass
+
+
+class FormatError(ValueError, UnpackException):
+    """Invalid msgpack format"""
+
+
+class StackError(ValueError, UnpackException):
+    """Too nested"""
+
+
+# Deprecated.  Use ValueError instead
+UnpackValueError = ValueError
+
+
+class ExtraData(UnpackValueError):
+    """ExtraData is raised when there is trailing data.
+
+    This exception is raised while only one-shot (not streaming)
+    unpack.
+    """
+
+    def __init__(self, unpacked, extra):
+        self.unpacked = unpacked
+        self.extra = extra
+
+    def __str__(self):
+        return "unpack(b) received extra data."
+
+
+# Deprecated.  Use Exception instead to catch all exception during packing.
+PackException = Exception
+PackValueError = ValueError
+PackOverflowError = OverflowError
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/ext.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/ext.py
new file mode 100644
index 00000000..23e0d6b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/ext.py
@@ -0,0 +1,193 @@
+# coding: utf-8
+from collections import namedtuple
+import datetime
+import sys
+import struct
+
+
+PY2 = sys.version_info[0] == 2
+
+if PY2:
+    int_types = (int, long)
+    _utc = None
+else:
+    int_types = int
+    try:
+        _utc = datetime.timezone.utc
+    except AttributeError:
+        _utc = datetime.timezone(datetime.timedelta(0))
+
+
+class ExtType(namedtuple("ExtType", "code data")):
+    """ExtType represents ext type in msgpack."""
+
+    def __new__(cls, code, data):
+        if not isinstance(code, int):
+            raise TypeError("code must be int")
+        if not isinstance(data, bytes):
+            raise TypeError("data must be bytes")
+        if not 0 <= code <= 127:
+            raise ValueError("code must be 0~127")
+        return super(ExtType, cls).__new__(cls, code, data)
+
+
+class Timestamp(object):
+    """Timestamp represents the Timestamp extension type in msgpack.
+
+    When built with Cython, msgpack uses C methods to pack and unpack `Timestamp`. When using pure-Python
+    msgpack, :func:`to_bytes` and :func:`from_bytes` are used to pack and unpack `Timestamp`.
+
+    This class is immutable: Do not override seconds and nanoseconds.
+    """
+
+    __slots__ = ["seconds", "nanoseconds"]
+
+    def __init__(self, seconds, nanoseconds=0):
+        """Initialize a Timestamp object.
+
+        :param int seconds:
+            Number of seconds since the UNIX epoch (00:00:00 UTC Jan 1 1970, minus leap seconds).
+            May be negative.
+
+        :param int nanoseconds:
+            Number of nanoseconds to add to `seconds` to get fractional time.
+            Maximum is 999_999_999.  Default is 0.
+
+        Note: Negative times (before the UNIX epoch) are represented as negative seconds + positive ns.
+        """
+        if not isinstance(seconds, int_types):
+            raise TypeError("seconds must be an integer")
+        if not isinstance(nanoseconds, int_types):
+            raise TypeError("nanoseconds must be an integer")
+        if not (0 <= nanoseconds < 10**9):
+            raise ValueError(
+                "nanoseconds must be a non-negative integer less than 999999999."
+            )
+        self.seconds = seconds
+        self.nanoseconds = nanoseconds
+
+    def __repr__(self):
+        """String representation of Timestamp."""
+        return "Timestamp(seconds={0}, nanoseconds={1})".format(
+            self.seconds, self.nanoseconds
+        )
+
+    def __eq__(self, other):
+        """Check for equality with another Timestamp object"""
+        if type(other) is self.__class__:
+            return (
+                self.seconds == other.seconds and self.nanoseconds == other.nanoseconds
+            )
+        return False
+
+    def __ne__(self, other):
+        """not-equals method (see :func:`__eq__()`)"""
+        return not self.__eq__(other)
+
+    def __hash__(self):
+        return hash((self.seconds, self.nanoseconds))
+
+    @staticmethod
+    def from_bytes(b):
+        """Unpack bytes into a `Timestamp` object.
+
+        Used for pure-Python msgpack unpacking.
+
+        :param b: Payload from msgpack ext message with code -1
+        :type b: bytes
+
+        :returns: Timestamp object unpacked from msgpack ext payload
+        :rtype: Timestamp
+        """
+        if len(b) == 4:
+            seconds = struct.unpack("!L", b)[0]
+            nanoseconds = 0
+        elif len(b) == 8:
+            data64 = struct.unpack("!Q", b)[0]
+            seconds = data64 & 0x00000003FFFFFFFF
+            nanoseconds = data64 >> 34
+        elif len(b) == 12:
+            nanoseconds, seconds = struct.unpack("!Iq", b)
+        else:
+            raise ValueError(
+                "Timestamp type can only be created from 32, 64, or 96-bit byte objects"
+            )
+        return Timestamp(seconds, nanoseconds)
+
+    def to_bytes(self):
+        """Pack this Timestamp object into bytes.
+
+        Used for pure-Python msgpack packing.
+
+        :returns data: Payload for EXT message with code -1 (timestamp type)
+        :rtype: bytes
+        """
+        if (self.seconds >> 34) == 0:  # seconds is non-negative and fits in 34 bits
+            data64 = self.nanoseconds << 34 | self.seconds
+            if data64 & 0xFFFFFFFF00000000 == 0:
+                # nanoseconds is zero and seconds < 2**32, so timestamp 32
+                data = struct.pack("!L", data64)
+            else:
+                # timestamp 64
+                data = struct.pack("!Q", data64)
+        else:
+            # timestamp 96
+            data = struct.pack("!Iq", self.nanoseconds, self.seconds)
+        return data
+
+    @staticmethod
+    def from_unix(unix_sec):
+        """Create a Timestamp from posix timestamp in seconds.
+
+        :param unix_float: Posix timestamp in seconds.
+        :type unix_float: int or float.
+        """
+        seconds = int(unix_sec // 1)
+        nanoseconds = int((unix_sec % 1) * 10**9)
+        return Timestamp(seconds, nanoseconds)
+
+    def to_unix(self):
+        """Get the timestamp as a floating-point value.
+
+        :returns: posix timestamp
+        :rtype: float
+        """
+        return self.seconds + self.nanoseconds / 1e9
+
+    @staticmethod
+    def from_unix_nano(unix_ns):
+        """Create a Timestamp from posix timestamp in nanoseconds.
+
+        :param int unix_ns: Posix timestamp in nanoseconds.
+        :rtype: Timestamp
+        """
+        return Timestamp(*divmod(unix_ns, 10**9))
+
+    def to_unix_nano(self):
+        """Get the timestamp as a unixtime in nanoseconds.
+
+        :returns: posix timestamp in nanoseconds
+        :rtype: int
+        """
+        return self.seconds * 10**9 + self.nanoseconds
+
+    def to_datetime(self):
+        """Get the timestamp as a UTC datetime.
+
+        Python 2 is not supported.
+
+        :rtype: datetime.
+        """
+        return datetime.datetime.fromtimestamp(0, _utc) + datetime.timedelta(
+            seconds=self.to_unix()
+        )
+
+    @staticmethod
+    def from_datetime(dt):
+        """Create a Timestamp from datetime with tzinfo.
+
+        Python 2 is not supported.
+
+        :rtype: Timestamp
+        """
+        return Timestamp.from_unix(dt.timestamp())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/fallback.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/fallback.py
new file mode 100644
index 00000000..e8cebc1b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/msgpack/fallback.py
@@ -0,0 +1,1010 @@
+"""Fallback pure Python implementation of msgpack"""
+from datetime import datetime as _DateTime
+import sys
+import struct
+
+
+PY2 = sys.version_info[0] == 2
+if PY2:
+    int_types = (int, long)
+
+    def dict_iteritems(d):
+        return d.iteritems()
+
+else:
+    int_types = int
+    unicode = str
+    xrange = range
+
+    def dict_iteritems(d):
+        return d.items()
+
+
+if sys.version_info < (3, 5):
+    # Ugly hack...
+    RecursionError = RuntimeError
+
+    def _is_recursionerror(e):
+        return (
+            len(e.args) == 1
+            and isinstance(e.args[0], str)
+            and e.args[0].startswith("maximum recursion depth exceeded")
+        )
+
+else:
+
+    def _is_recursionerror(e):
+        return True
+
+
+if hasattr(sys, "pypy_version_info"):
+    # StringIO is slow on PyPy, StringIO is faster.  However: PyPy's own
+    # StringBuilder is fastest.
+    from __pypy__ import newlist_hint
+
+    try:
+        from __pypy__.builders import BytesBuilder as StringBuilder
+    except ImportError:
+        from __pypy__.builders import StringBuilder
+    USING_STRINGBUILDER = True
+
+    class StringIO(object):
+        def __init__(self, s=b""):
+            if s:
+                self.builder = StringBuilder(len(s))
+                self.builder.append(s)
+            else:
+                self.builder = StringBuilder()
+
+        def write(self, s):
+            if isinstance(s, memoryview):
+                s = s.tobytes()
+            elif isinstance(s, bytearray):
+                s = bytes(s)
+            self.builder.append(s)
+
+        def getvalue(self):
+            return self.builder.build()
+
+else:
+    USING_STRINGBUILDER = False
+    from io import BytesIO as StringIO
+
+    newlist_hint = lambda size: []
+
+
+from .exceptions import BufferFull, OutOfData, ExtraData, FormatError, StackError
+
+from .ext import ExtType, Timestamp
+
+
+EX_SKIP = 0
+EX_CONSTRUCT = 1
+EX_READ_ARRAY_HEADER = 2
+EX_READ_MAP_HEADER = 3
+
+TYPE_IMMEDIATE = 0
+TYPE_ARRAY = 1
+TYPE_MAP = 2
+TYPE_RAW = 3
+TYPE_BIN = 4
+TYPE_EXT = 5
+
+DEFAULT_RECURSE_LIMIT = 511
+
+
+def _check_type_strict(obj, t, type=type, tuple=tuple):
+    if type(t) is tuple:
+        return type(obj) in t
+    else:
+        return type(obj) is t
+
+
+def _get_data_from_buffer(obj):
+    view = memoryview(obj)
+    if view.itemsize != 1:
+        raise ValueError("cannot unpack from multi-byte object")
+    return view
+
+
+def unpackb(packed, **kwargs):
+    """
+    Unpack an object from `packed`.
+
+    Raises ``ExtraData`` when *packed* contains extra bytes.
+    Raises ``ValueError`` when *packed* is incomplete.
+    Raises ``FormatError`` when *packed* is not valid msgpack.
+    Raises ``StackError`` when *packed* contains too nested.
+    Other exceptions can be raised during unpacking.
+
+    See :class:`Unpacker` for options.
+    """
+    unpacker = Unpacker(None, max_buffer_size=len(packed), **kwargs)
+    unpacker.feed(packed)
+    try:
+        ret = unpacker._unpack()
+    except OutOfData:
+        raise ValueError("Unpack failed: incomplete input")
+    except RecursionError as e:
+        if _is_recursionerror(e):
+            raise StackError
+        raise
+    if unpacker._got_extradata():
+        raise ExtraData(ret, unpacker._get_extradata())
+    return ret
+
+
+if sys.version_info < (2, 7, 6):
+
+    def _unpack_from(f, b, o=0):
+        """Explicit type cast for legacy struct.unpack_from"""
+        return struct.unpack_from(f, bytes(b), o)
+
+else:
+    _unpack_from = struct.unpack_from
+
+_NO_FORMAT_USED = ""
+_MSGPACK_HEADERS = {
+    0xC4: (1, _NO_FORMAT_USED, TYPE_BIN),
+    0xC5: (2, ">H", TYPE_BIN),
+    0xC6: (4, ">I", TYPE_BIN),
+    0xC7: (2, "Bb", TYPE_EXT),
+    0xC8: (3, ">Hb", TYPE_EXT),
+    0xC9: (5, ">Ib", TYPE_EXT),
+    0xCA: (4, ">f"),
+    0xCB: (8, ">d"),
+    0xCC: (1, _NO_FORMAT_USED),
+    0xCD: (2, ">H"),
+    0xCE: (4, ">I"),
+    0xCF: (8, ">Q"),
+    0xD0: (1, "b"),
+    0xD1: (2, ">h"),
+    0xD2: (4, ">i"),
+    0xD3: (8, ">q"),
+    0xD4: (1, "b1s", TYPE_EXT),
+    0xD5: (2, "b2s", TYPE_EXT),
+    0xD6: (4, "b4s", TYPE_EXT),
+    0xD7: (8, "b8s", TYPE_EXT),
+    0xD8: (16, "b16s", TYPE_EXT),
+    0xD9: (1, _NO_FORMAT_USED, TYPE_RAW),
+    0xDA: (2, ">H", TYPE_RAW),
+    0xDB: (4, ">I", TYPE_RAW),
+    0xDC: (2, ">H", TYPE_ARRAY),
+    0xDD: (4, ">I", TYPE_ARRAY),
+    0xDE: (2, ">H", TYPE_MAP),
+    0xDF: (4, ">I", TYPE_MAP),
+}
+
+
+class Unpacker(object):
+    """Streaming unpacker.
+
+    Arguments:
+
+    :param file_like:
+        File-like object having `.read(n)` method.
+        If specified, unpacker reads serialized data from it and :meth:`feed()` is not usable.
+
+    :param int read_size:
+        Used as `file_like.read(read_size)`. (default: `min(16*1024, max_buffer_size)`)
+
+    :param bool use_list:
+        If true, unpack msgpack array to Python list.
+        Otherwise, unpack to Python tuple. (default: True)
+
+    :param bool raw:
+        If true, unpack msgpack raw to Python bytes.
+        Otherwise, unpack to Python str by decoding with UTF-8 encoding (default).
+
+    :param int timestamp:
+        Control how timestamp type is unpacked:
+
+            0 - Timestamp
+            1 - float  (Seconds from the EPOCH)
+            2 - int  (Nanoseconds from the EPOCH)
+            3 - datetime.datetime  (UTC).  Python 2 is not supported.
+
+    :param bool strict_map_key:
+        If true (default), only str or bytes are accepted for map (dict) keys.
+
+    :param callable object_hook:
+        When specified, it should be callable.
+        Unpacker calls it with a dict argument after unpacking msgpack map.
+        (See also simplejson)
+
+    :param callable object_pairs_hook:
+        When specified, it should be callable.
+        Unpacker calls it with a list of key-value pairs after unpacking msgpack map.
+        (See also simplejson)
+
+    :param str unicode_errors:
+        The error handler for decoding unicode. (default: 'strict')
+        This option should be used only when you have msgpack data which
+        contains invalid UTF-8 string.
+
+    :param int max_buffer_size:
+        Limits size of data waiting unpacked.  0 means 2**32-1.
+        The default value is 100*1024*1024 (100MiB).
+        Raises `BufferFull` exception when it is insufficient.
+        You should set this parameter when unpacking data from untrusted source.
+
+    :param int max_str_len:
+        Deprecated, use *max_buffer_size* instead.
+        Limits max length of str. (default: max_buffer_size)
+
+    :param int max_bin_len:
+        Deprecated, use *max_buffer_size* instead.
+        Limits max length of bin. (default: max_buffer_size)
+
+    :param int max_array_len:
+        Limits max length of array.
+        (default: max_buffer_size)
+
+    :param int max_map_len:
+        Limits max length of map.
+        (default: max_buffer_size//2)
+
+    :param int max_ext_len:
+        Deprecated, use *max_buffer_size* instead.
+        Limits max size of ext type.  (default: max_buffer_size)
+
+    Example of streaming deserialize from file-like object::
+
+        unpacker = Unpacker(file_like)
+        for o in unpacker:
+            process(o)
+
+    Example of streaming deserialize from socket::
+
+        unpacker = Unpacker()
+        while True:
+            buf = sock.recv(1024**2)
+            if not buf:
+                break
+            unpacker.feed(buf)
+            for o in unpacker:
+                process(o)
+
+    Raises ``ExtraData`` when *packed* contains extra bytes.
+    Raises ``OutOfData`` when *packed* is incomplete.
+    Raises ``FormatError`` when *packed* is not valid msgpack.
+    Raises ``StackError`` when *packed* contains too nested.
+    Other exceptions can be raised during unpacking.
+    """
+
+    def __init__(
+        self,
+        file_like=None,
+        read_size=0,
+        use_list=True,
+        raw=False,
+        timestamp=0,
+        strict_map_key=True,
+        object_hook=None,
+        object_pairs_hook=None,
+        list_hook=None,
+        unicode_errors=None,
+        max_buffer_size=100 * 1024 * 1024,
+        ext_hook=ExtType,
+        max_str_len=-1,
+        max_bin_len=-1,
+        max_array_len=-1,
+        max_map_len=-1,
+        max_ext_len=-1,
+    ):
+        if unicode_errors is None:
+            unicode_errors = "strict"
+
+        if file_like is None:
+            self._feeding = True
+        else:
+            if not callable(file_like.read):
+                raise TypeError("`file_like.read` must be callable")
+            self.file_like = file_like
+            self._feeding = False
+
+        #: array of bytes fed.
+        self._buffer = bytearray()
+        #: Which position we currently reads
+        self._buff_i = 0
+
+        # When Unpacker is used as an iterable, between the calls to next(),
+        # the buffer is not "consumed" completely, for efficiency sake.
+        # Instead, it is done sloppily.  To make sure we raise BufferFull at
+        # the correct moments, we have to keep track of how sloppy we were.
+        # Furthermore, when the buffer is incomplete (that is: in the case
+        # we raise an OutOfData) we need to rollback the buffer to the correct
+        # state, which _buf_checkpoint records.
+        self._buf_checkpoint = 0
+
+        if not max_buffer_size:
+            max_buffer_size = 2**31 - 1
+        if max_str_len == -1:
+            max_str_len = max_buffer_size
+        if max_bin_len == -1:
+            max_bin_len = max_buffer_size
+        if max_array_len == -1:
+            max_array_len = max_buffer_size
+        if max_map_len == -1:
+            max_map_len = max_buffer_size // 2
+        if max_ext_len == -1:
+            max_ext_len = max_buffer_size
+
+        self._max_buffer_size = max_buffer_size
+        if read_size > self._max_buffer_size:
+            raise ValueError("read_size must be smaller than max_buffer_size")
+        self._read_size = read_size or min(self._max_buffer_size, 16 * 1024)
+        self._raw = bool(raw)
+        self._strict_map_key = bool(strict_map_key)
+        self._unicode_errors = unicode_errors
+        self._use_list = use_list
+        if not (0 <= timestamp <= 3):
+            raise ValueError("timestamp must be 0..3")
+        self._timestamp = timestamp
+        self._list_hook = list_hook
+        self._object_hook = object_hook
+        self._object_pairs_hook = object_pairs_hook
+        self._ext_hook = ext_hook
+        self._max_str_len = max_str_len
+        self._max_bin_len = max_bin_len
+        self._max_array_len = max_array_len
+        self._max_map_len = max_map_len
+        self._max_ext_len = max_ext_len
+        self._stream_offset = 0
+
+        if list_hook is not None and not callable(list_hook):
+            raise TypeError("`list_hook` is not callable")
+        if object_hook is not None and not callable(object_hook):
+            raise TypeError("`object_hook` is not callable")
+        if object_pairs_hook is not None and not callable(object_pairs_hook):
+            raise TypeError("`object_pairs_hook` is not callable")
+        if object_hook is not None and object_pairs_hook is not None:
+            raise TypeError(
+                "object_pairs_hook and object_hook are mutually " "exclusive"
+            )
+        if not callable(ext_hook):
+            raise TypeError("`ext_hook` is not callable")
+
+    def feed(self, next_bytes):
+        assert self._feeding
+        view = _get_data_from_buffer(next_bytes)
+        if len(self._buffer) - self._buff_i + len(view) > self._max_buffer_size:
+            raise BufferFull
+
+        # Strip buffer before checkpoint before reading file.
+        if self._buf_checkpoint > 0:
+            del self._buffer[: self._buf_checkpoint]
+            self._buff_i -= self._buf_checkpoint
+            self._buf_checkpoint = 0
+
+        # Use extend here: INPLACE_ADD += doesn't reliably typecast memoryview in jython
+        self._buffer.extend(view)
+
+    def _consume(self):
+        """Gets rid of the used parts of the buffer."""
+        self._stream_offset += self._buff_i - self._buf_checkpoint
+        self._buf_checkpoint = self._buff_i
+
+    def _got_extradata(self):
+        return self._buff_i < len(self._buffer)
+
+    def _get_extradata(self):
+        return self._buffer[self._buff_i :]
+
+    def read_bytes(self, n):
+        ret = self._read(n, raise_outofdata=False)
+        self._consume()
+        return ret
+
+    def _read(self, n, raise_outofdata=True):
+        # (int) -> bytearray
+        self._reserve(n, raise_outofdata=raise_outofdata)
+        i = self._buff_i
+        ret = self._buffer[i : i + n]
+        self._buff_i = i + len(ret)
+        return ret
+
+    def _reserve(self, n, raise_outofdata=True):
+        remain_bytes = len(self._buffer) - self._buff_i - n
+
+        # Fast path: buffer has n bytes already
+        if remain_bytes >= 0:
+            return
+
+        if self._feeding:
+            self._buff_i = self._buf_checkpoint
+            raise OutOfData
+
+        # Strip buffer before checkpoint before reading file.
+        if self._buf_checkpoint > 0:
+            del self._buffer[: self._buf_checkpoint]
+            self._buff_i -= self._buf_checkpoint
+            self._buf_checkpoint = 0
+
+        # Read from file
+        remain_bytes = -remain_bytes
+        if remain_bytes + len(self._buffer) > self._max_buffer_size:
+            raise BufferFull
+        while remain_bytes > 0:
+            to_read_bytes = max(self._read_size, remain_bytes)
+            read_data = self.file_like.read(to_read_bytes)
+            if not read_data:
+                break
+            assert isinstance(read_data, bytes)
+            self._buffer += read_data
+            remain_bytes -= len(read_data)
+
+        if len(self._buffer) < n + self._buff_i and raise_outofdata:
+            self._buff_i = 0  # rollback
+            raise OutOfData
+
+    def _read_header(self):
+        typ = TYPE_IMMEDIATE
+        n = 0
+        obj = None
+        self._reserve(1)
+        b = self._buffer[self._buff_i]
+        self._buff_i += 1
+        if b & 0b10000000 == 0:
+            obj = b
+        elif b & 0b11100000 == 0b11100000:
+            obj = -1 - (b ^ 0xFF)
+        elif b & 0b11100000 == 0b10100000:
+            n = b & 0b00011111
+            typ = TYPE_RAW
+            if n > self._max_str_len:
+                raise ValueError("%s exceeds max_str_len(%s)" % (n, self._max_str_len))
+            obj = self._read(n)
+        elif b & 0b11110000 == 0b10010000:
+            n = b & 0b00001111
+            typ = TYPE_ARRAY
+            if n > self._max_array_len:
+                raise ValueError(
+                    "%s exceeds max_array_len(%s)" % (n, self._max_array_len)
+                )
+        elif b & 0b11110000 == 0b10000000:
+            n = b & 0b00001111
+            typ = TYPE_MAP
+            if n > self._max_map_len:
+                raise ValueError("%s exceeds max_map_len(%s)" % (n, self._max_map_len))
+        elif b == 0xC0:
+            obj = None
+        elif b == 0xC2:
+            obj = False
+        elif b == 0xC3:
+            obj = True
+        elif 0xC4 <= b <= 0xC6:
+            size, fmt, typ = _MSGPACK_HEADERS[b]
+            self._reserve(size)
+            if len(fmt) > 0:
+                n = _unpack_from(fmt, self._buffer, self._buff_i)[0]
+            else:
+                n = self._buffer[self._buff_i]
+            self._buff_i += size
+            if n > self._max_bin_len:
+                raise ValueError("%s exceeds max_bin_len(%s)" % (n, self._max_bin_len))
+            obj = self._read(n)
+        elif 0xC7 <= b <= 0xC9:
+            size, fmt, typ = _MSGPACK_HEADERS[b]
+            self._reserve(size)
+            L, n = _unpack_from(fmt, self._buffer, self._buff_i)
+            self._buff_i += size
+            if L > self._max_ext_len:
+                raise ValueError("%s exceeds max_ext_len(%s)" % (L, self._max_ext_len))
+            obj = self._read(L)
+        elif 0xCA <= b <= 0xD3:
+            size, fmt = _MSGPACK_HEADERS[b]
+            self._reserve(size)
+            if len(fmt) > 0:
+                obj = _unpack_from(fmt, self._buffer, self._buff_i)[0]
+            else:
+                obj = self._buffer[self._buff_i]
+            self._buff_i += size
+        elif 0xD4 <= b <= 0xD8:
+            size, fmt, typ = _MSGPACK_HEADERS[b]
+            if self._max_ext_len < size:
+                raise ValueError(
+                    "%s exceeds max_ext_len(%s)" % (size, self._max_ext_len)
+                )
+            self._reserve(size + 1)
+            n, obj = _unpack_from(fmt, self._buffer, self._buff_i)
+            self._buff_i += size + 1
+        elif 0xD9 <= b <= 0xDB:
+            size, fmt, typ = _MSGPACK_HEADERS[b]
+            self._reserve(size)
+            if len(fmt) > 0:
+                (n,) = _unpack_from(fmt, self._buffer, self._buff_i)
+            else:
+                n = self._buffer[self._buff_i]
+            self._buff_i += size
+            if n > self._max_str_len:
+                raise ValueError("%s exceeds max_str_len(%s)" % (n, self._max_str_len))
+            obj = self._read(n)
+        elif 0xDC <= b <= 0xDD:
+            size, fmt, typ = _MSGPACK_HEADERS[b]
+            self._reserve(size)
+            (n,) = _unpack_from(fmt, self._buffer, self._buff_i)
+            self._buff_i += size
+            if n > self._max_array_len:
+                raise ValueError(
+                    "%s exceeds max_array_len(%s)" % (n, self._max_array_len)
+                )
+        elif 0xDE <= b <= 0xDF:
+            size, fmt, typ = _MSGPACK_HEADERS[b]
+            self._reserve(size)
+            (n,) = _unpack_from(fmt, self._buffer, self._buff_i)
+            self._buff_i += size
+            if n > self._max_map_len:
+                raise ValueError("%s exceeds max_map_len(%s)" % (n, self._max_map_len))
+        else:
+            raise FormatError("Unknown header: 0x%x" % b)
+        return typ, n, obj
+
+    def _unpack(self, execute=EX_CONSTRUCT):
+        typ, n, obj = self._read_header()
+
+        if execute == EX_READ_ARRAY_HEADER:
+            if typ != TYPE_ARRAY:
+                raise ValueError("Expected array")
+            return n
+        if execute == EX_READ_MAP_HEADER:
+            if typ != TYPE_MAP:
+                raise ValueError("Expected map")
+            return n
+        # TODO should we eliminate the recursion?
+        if typ == TYPE_ARRAY:
+            if execute == EX_SKIP:
+                for i in xrange(n):
+                    # TODO check whether we need to call `list_hook`
+                    self._unpack(EX_SKIP)
+                return
+            ret = newlist_hint(n)
+            for i in xrange(n):
+                ret.append(self._unpack(EX_CONSTRUCT))
+            if self._list_hook is not None:
+                ret = self._list_hook(ret)
+            # TODO is the interaction between `list_hook` and `use_list` ok?
+            return ret if self._use_list else tuple(ret)
+        if typ == TYPE_MAP:
+            if execute == EX_SKIP:
+                for i in xrange(n):
+                    # TODO check whether we need to call hooks
+                    self._unpack(EX_SKIP)
+                    self._unpack(EX_SKIP)
+                return
+            if self._object_pairs_hook is not None:
+                ret = self._object_pairs_hook(
+                    (self._unpack(EX_CONSTRUCT), self._unpack(EX_CONSTRUCT))
+                    for _ in xrange(n)
+                )
+            else:
+                ret = {}
+                for _ in xrange(n):
+                    key = self._unpack(EX_CONSTRUCT)
+                    if self._strict_map_key and type(key) not in (unicode, bytes):
+                        raise ValueError(
+                            "%s is not allowed for map key" % str(type(key))
+                        )
+                    if not PY2 and type(key) is str:
+                        key = sys.intern(key)
+                    ret[key] = self._unpack(EX_CONSTRUCT)
+                if self._object_hook is not None:
+                    ret = self._object_hook(ret)
+            return ret
+        if execute == EX_SKIP:
+            return
+        if typ == TYPE_RAW:
+            if self._raw:
+                obj = bytes(obj)
+            else:
+                obj = obj.decode("utf_8", self._unicode_errors)
+            return obj
+        if typ == TYPE_BIN:
+            return bytes(obj)
+        if typ == TYPE_EXT:
+            if n == -1:  # timestamp
+                ts = Timestamp.from_bytes(bytes(obj))
+                if self._timestamp == 1:
+                    return ts.to_unix()
+                elif self._timestamp == 2:
+                    return ts.to_unix_nano()
+                elif self._timestamp == 3:
+                    return ts.to_datetime()
+                else:
+                    return ts
+            else:
+                return self._ext_hook(n, bytes(obj))
+        assert typ == TYPE_IMMEDIATE
+        return obj
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        try:
+            ret = self._unpack(EX_CONSTRUCT)
+            self._consume()
+            return ret
+        except OutOfData:
+            self._consume()
+            raise StopIteration
+        except RecursionError:
+            raise StackError
+
+    next = __next__
+
+    def skip(self):
+        self._unpack(EX_SKIP)
+        self._consume()
+
+    def unpack(self):
+        try:
+            ret = self._unpack(EX_CONSTRUCT)
+        except RecursionError:
+            raise StackError
+        self._consume()
+        return ret
+
+    def read_array_header(self):
+        ret = self._unpack(EX_READ_ARRAY_HEADER)
+        self._consume()
+        return ret
+
+    def read_map_header(self):
+        ret = self._unpack(EX_READ_MAP_HEADER)
+        self._consume()
+        return ret
+
+    def tell(self):
+        return self._stream_offset
+
+
+class Packer(object):
+    """
+    MessagePack Packer
+
+    Usage::
+
+        packer = Packer()
+        astream.write(packer.pack(a))
+        astream.write(packer.pack(b))
+
+    Packer's constructor has some keyword arguments:
+
+    :param callable default:
+        Convert user type to builtin type that Packer supports.
+        See also simplejson's document.
+
+    :param bool use_single_float:
+        Use single precision float type for float. (default: False)
+
+    :param bool autoreset:
+        Reset buffer after each pack and return its content as `bytes`. (default: True).
+        If set this to false, use `bytes()` to get content and `.reset()` to clear buffer.
+
+    :param bool use_bin_type:
+        Use bin type introduced in msgpack spec 2.0 for bytes.
+        It also enables str8 type for unicode. (default: True)
+
+    :param bool strict_types:
+        If set to true, types will be checked to be exact. Derived classes
+        from serializable types will not be serialized and will be
+        treated as unsupported type and forwarded to default.
+        Additionally tuples will not be serialized as lists.
+        This is useful when trying to implement accurate serialization
+        for python types.
+
+    :param bool datetime:
+        If set to true, datetime with tzinfo is packed into Timestamp type.
+        Note that the tzinfo is stripped in the timestamp.
+        You can get UTC datetime with `timestamp=3` option of the Unpacker.
+        (Python 2 is not supported).
+
+    :param str unicode_errors:
+        The error handler for encoding unicode. (default: 'strict')
+        DO NOT USE THIS!!  This option is kept for very specific usage.
+
+    Example of streaming deserialize from file-like object::
+
+        unpacker = Unpacker(file_like)
+        for o in unpacker:
+            process(o)
+
+    Example of streaming deserialize from socket::
+
+        unpacker = Unpacker()
+        while True:
+            buf = sock.recv(1024**2)
+            if not buf:
+                break
+            unpacker.feed(buf)
+            for o in unpacker:
+                process(o)
+
+    Raises ``ExtraData`` when *packed* contains extra bytes.
+    Raises ``OutOfData`` when *packed* is incomplete.
+    Raises ``FormatError`` when *packed* is not valid msgpack.
+    Raises ``StackError`` when *packed* contains too nested.
+    Other exceptions can be raised during unpacking.
+    """
+
+    def __init__(
+        self,
+        default=None,
+        use_single_float=False,
+        autoreset=True,
+        use_bin_type=True,
+        strict_types=False,
+        datetime=False,
+        unicode_errors=None,
+    ):
+        self._strict_types = strict_types
+        self._use_float = use_single_float
+        self._autoreset = autoreset
+        self._use_bin_type = use_bin_type
+        self._buffer = StringIO()
+        if PY2 and datetime:
+            raise ValueError("datetime is not supported in Python 2")
+        self._datetime = bool(datetime)
+        self._unicode_errors = unicode_errors or "strict"
+        if default is not None:
+            if not callable(default):
+                raise TypeError("default must be callable")
+        self._default = default
+
+    def _pack(
+        self,
+        obj,
+        nest_limit=DEFAULT_RECURSE_LIMIT,
+        check=isinstance,
+        check_type_strict=_check_type_strict,
+    ):
+        default_used = False
+        if self._strict_types:
+            check = check_type_strict
+            list_types = list
+        else:
+            list_types = (list, tuple)
+        while True:
+            if nest_limit < 0:
+                raise ValueError("recursion limit exceeded")
+            if obj is None:
+                return self._buffer.write(b"\xc0")
+            if check(obj, bool):
+                if obj:
+                    return self._buffer.write(b"\xc3")
+                return self._buffer.write(b"\xc2")
+            if check(obj, int_types):
+                if 0 <= obj < 0x80:
+                    return self._buffer.write(struct.pack("B", obj))
+                if -0x20 <= obj < 0:
+                    return self._buffer.write(struct.pack("b", obj))
+                if 0x80 <= obj <= 0xFF:
+                    return self._buffer.write(struct.pack("BB", 0xCC, obj))
+                if -0x80 <= obj < 0:
+                    return self._buffer.write(struct.pack(">Bb", 0xD0, obj))
+                if 0xFF < obj <= 0xFFFF:
+                    return self._buffer.write(struct.pack(">BH", 0xCD, obj))
+                if -0x8000 <= obj < -0x80:
+                    return self._buffer.write(struct.pack(">Bh", 0xD1, obj))
+                if 0xFFFF < obj <= 0xFFFFFFFF:
+                    return self._buffer.write(struct.pack(">BI", 0xCE, obj))
+                if -0x80000000 <= obj < -0x8000:
+                    return self._buffer.write(struct.pack(">Bi", 0xD2, obj))
+                if 0xFFFFFFFF < obj <= 0xFFFFFFFFFFFFFFFF:
+                    return self._buffer.write(struct.pack(">BQ", 0xCF, obj))
+                if -0x8000000000000000 <= obj < -0x80000000:
+                    return self._buffer.write(struct.pack(">Bq", 0xD3, obj))
+                if not default_used and self._default is not None:
+                    obj = self._default(obj)
+                    default_used = True
+                    continue
+                raise OverflowError("Integer value out of range")
+            if check(obj, (bytes, bytearray)):
+                n = len(obj)
+                if n >= 2**32:
+                    raise ValueError("%s is too large" % type(obj).__name__)
+                self._pack_bin_header(n)
+                return self._buffer.write(obj)
+            if check(obj, unicode):
+                obj = obj.encode("utf-8", self._unicode_errors)
+                n = len(obj)
+                if n >= 2**32:
+                    raise ValueError("String is too large")
+                self._pack_raw_header(n)
+                return self._buffer.write(obj)
+            if check(obj, memoryview):
+                n = obj.nbytes
+                if n >= 2**32:
+                    raise ValueError("Memoryview is too large")
+                self._pack_bin_header(n)
+                return self._buffer.write(obj)
+            if check(obj, float):
+                if self._use_float:
+                    return self._buffer.write(struct.pack(">Bf", 0xCA, obj))
+                return self._buffer.write(struct.pack(">Bd", 0xCB, obj))
+            if check(obj, (ExtType, Timestamp)):
+                if check(obj, Timestamp):
+                    code = -1
+                    data = obj.to_bytes()
+                else:
+                    code = obj.code
+                    data = obj.data
+                assert isinstance(code, int)
+                assert isinstance(data, bytes)
+                L = len(data)
+                if L == 1:
+                    self._buffer.write(b"\xd4")
+                elif L == 2:
+                    self._buffer.write(b"\xd5")
+                elif L == 4:
+                    self._buffer.write(b"\xd6")
+                elif L == 8:
+                    self._buffer.write(b"\xd7")
+                elif L == 16:
+                    self._buffer.write(b"\xd8")
+                elif L <= 0xFF:
+                    self._buffer.write(struct.pack(">BB", 0xC7, L))
+                elif L <= 0xFFFF:
+                    self._buffer.write(struct.pack(">BH", 0xC8, L))
+                else:
+                    self._buffer.write(struct.pack(">BI", 0xC9, L))
+                self._buffer.write(struct.pack("b", code))
+                self._buffer.write(data)
+                return
+            if check(obj, list_types):
+                n = len(obj)
+                self._pack_array_header(n)
+                for i in xrange(n):
+                    self._pack(obj[i], nest_limit - 1)
+                return
+            if check(obj, dict):
+                return self._pack_map_pairs(
+                    len(obj), dict_iteritems(obj), nest_limit - 1
+                )
+
+            if self._datetime and check(obj, _DateTime) and obj.tzinfo is not None:
+                obj = Timestamp.from_datetime(obj)
+                default_used = 1
+                continue
+
+            if not default_used and self._default is not None:
+                obj = self._default(obj)
+                default_used = 1
+                continue
+
+            if self._datetime and check(obj, _DateTime):
+                raise ValueError("Cannot serialize %r where tzinfo=None" % (obj,))
+
+            raise TypeError("Cannot serialize %r" % (obj,))
+
+    def pack(self, obj):
+        try:
+            self._pack(obj)
+        except:
+            self._buffer = StringIO()  # force reset
+            raise
+        if self._autoreset:
+            ret = self._buffer.getvalue()
+            self._buffer = StringIO()
+            return ret
+
+    def pack_map_pairs(self, pairs):
+        self._pack_map_pairs(len(pairs), pairs)
+        if self._autoreset:
+            ret = self._buffer.getvalue()
+            self._buffer = StringIO()
+            return ret
+
+    def pack_array_header(self, n):
+        if n >= 2**32:
+            raise ValueError
+        self._pack_array_header(n)
+        if self._autoreset:
+            ret = self._buffer.getvalue()
+            self._buffer = StringIO()
+            return ret
+
+    def pack_map_header(self, n):
+        if n >= 2**32:
+            raise ValueError
+        self._pack_map_header(n)
+        if self._autoreset:
+            ret = self._buffer.getvalue()
+            self._buffer = StringIO()
+            return ret
+
+    def pack_ext_type(self, typecode, data):
+        if not isinstance(typecode, int):
+            raise TypeError("typecode must have int type.")
+        if not 0 <= typecode <= 127:
+            raise ValueError("typecode should be 0-127")
+        if not isinstance(data, bytes):
+            raise TypeError("data must have bytes type")
+        L = len(data)
+        if L > 0xFFFFFFFF:
+            raise ValueError("Too large data")
+        if L == 1:
+            self._buffer.write(b"\xd4")
+        elif L == 2:
+            self._buffer.write(b"\xd5")
+        elif L == 4:
+            self._buffer.write(b"\xd6")
+        elif L == 8:
+            self._buffer.write(b"\xd7")
+        elif L == 16:
+            self._buffer.write(b"\xd8")
+        elif L <= 0xFF:
+            self._buffer.write(b"\xc7" + struct.pack("B", L))
+        elif L <= 0xFFFF:
+            self._buffer.write(b"\xc8" + struct.pack(">H", L))
+        else:
+            self._buffer.write(b"\xc9" + struct.pack(">I", L))
+        self._buffer.write(struct.pack("B", typecode))
+        self._buffer.write(data)
+
+    def _pack_array_header(self, n):
+        if n <= 0x0F:
+            return self._buffer.write(struct.pack("B", 0x90 + n))
+        if n <= 0xFFFF:
+            return self._buffer.write(struct.pack(">BH", 0xDC, n))
+        if n <= 0xFFFFFFFF:
+            return self._buffer.write(struct.pack(">BI", 0xDD, n))
+        raise ValueError("Array is too large")
+
+    def _pack_map_header(self, n):
+        if n <= 0x0F:
+            return self._buffer.write(struct.pack("B", 0x80 + n))
+        if n <= 0xFFFF:
+            return self._buffer.write(struct.pack(">BH", 0xDE, n))
+        if n <= 0xFFFFFFFF:
+            return self._buffer.write(struct.pack(">BI", 0xDF, n))
+        raise ValueError("Dict is too large")
+
+    def _pack_map_pairs(self, n, pairs, nest_limit=DEFAULT_RECURSE_LIMIT):
+        self._pack_map_header(n)
+        for (k, v) in pairs:
+            self._pack(k, nest_limit - 1)
+            self._pack(v, nest_limit - 1)
+
+    def _pack_raw_header(self, n):
+        if n <= 0x1F:
+            self._buffer.write(struct.pack("B", 0xA0 + n))
+        elif self._use_bin_type and n <= 0xFF:
+            self._buffer.write(struct.pack(">BB", 0xD9, n))
+        elif n <= 0xFFFF:
+            self._buffer.write(struct.pack(">BH", 0xDA, n))
+        elif n <= 0xFFFFFFFF:
+            self._buffer.write(struct.pack(">BI", 0xDB, n))
+        else:
+            raise ValueError("Raw is too large")
+
+    def _pack_bin_header(self, n):
+        if not self._use_bin_type:
+            return self._pack_raw_header(n)
+        elif n <= 0xFF:
+            return self._buffer.write(struct.pack(">BB", 0xC4, n))
+        elif n <= 0xFFFF:
+            return self._buffer.write(struct.pack(">BH", 0xC5, n))
+        elif n <= 0xFFFFFFFF:
+            return self._buffer.write(struct.pack(">BI", 0xC6, n))
+        else:
+            raise ValueError("Bin is too large")
+
+    def bytes(self):
+        """Return internal buffer contents as bytes object"""
+        return self._buffer.getvalue()
+
+    def reset(self):
+        """Reset internal buffer.
+
+        This method is useful only when autoreset=False.
+        """
+        self._buffer = StringIO()
+
+    def getbuffer(self):
+        """Return view of internal buffer."""
+        if USING_STRINGBUILDER or PY2:
+            return memoryview(self.bytes())
+        else:
+            return self._buffer.getbuffer()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__about__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__about__.py
new file mode 100644
index 00000000..3551bc2d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__about__.py
@@ -0,0 +1,26 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
+
+__title__ = "packaging"
+__summary__ = "Core utilities for Python packages"
+__uri__ = "https://github.com/pypa/packaging"
+
+__version__ = "21.3"
+
+__author__ = "Donald Stufft and individual contributors"
+__email__ = "donald@stufft.io"
+
+__license__ = "BSD-2-Clause or Apache-2.0"
+__copyright__ = "2014-2019 %s" % __author__
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__init__.py
new file mode 100644
index 00000000..3c50c5dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__init__.py
@@ -0,0 +1,25 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from .__about__ import (
+    __author__,
+    __copyright__,
+    __email__,
+    __license__,
+    __summary__,
+    __title__,
+    __uri__,
+    __version__,
+)
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__pycache__/__about__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/__pycache__/__about__.cpython-311.pyc
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new file mode 100644
index 00000000..b909bac5
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_manylinux.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_manylinux.py
new file mode 100644
index 00000000..4c379aa6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_manylinux.py
@@ -0,0 +1,301 @@
+import collections
+import functools
+import os
+import re
+import struct
+import sys
+import warnings
+from typing import IO, Dict, Iterator, NamedTuple, Optional, Tuple
+
+
+# Python does not provide platform information at sufficient granularity to
+# identify the architecture of the running executable in some cases, so we
+# determine it dynamically by reading the information from the running
+# process. This only applies on Linux, which uses the ELF format.
+class _ELFFileHeader:
+    # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header
+    class _InvalidELFFileHeader(ValueError):
+        """
+        An invalid ELF file header was found.
+        """
+
+    ELF_MAGIC_NUMBER = 0x7F454C46
+    ELFCLASS32 = 1
+    ELFCLASS64 = 2
+    ELFDATA2LSB = 1
+    ELFDATA2MSB = 2
+    EM_386 = 3
+    EM_S390 = 22
+    EM_ARM = 40
+    EM_X86_64 = 62
+    EF_ARM_ABIMASK = 0xFF000000
+    EF_ARM_ABI_VER5 = 0x05000000
+    EF_ARM_ABI_FLOAT_HARD = 0x00000400
+
+    def __init__(self, file: IO[bytes]) -> None:
+        def unpack(fmt: str) -> int:
+            try:
+                data = file.read(struct.calcsize(fmt))
+                result: Tuple[int, ...] = struct.unpack(fmt, data)
+            except struct.error:
+                raise _ELFFileHeader._InvalidELFFileHeader()
+            return result[0]
+
+        self.e_ident_magic = unpack(">I")
+        if self.e_ident_magic != self.ELF_MAGIC_NUMBER:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_class = unpack("B")
+        if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_data = unpack("B")
+        if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_version = unpack("B")
+        self.e_ident_osabi = unpack("B")
+        self.e_ident_abiversion = unpack("B")
+        self.e_ident_pad = file.read(7)
+        format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H"
+        format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I"
+        format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q"
+        format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q
+        self.e_type = unpack(format_h)
+        self.e_machine = unpack(format_h)
+        self.e_version = unpack(format_i)
+        self.e_entry = unpack(format_p)
+        self.e_phoff = unpack(format_p)
+        self.e_shoff = unpack(format_p)
+        self.e_flags = unpack(format_i)
+        self.e_ehsize = unpack(format_h)
+        self.e_phentsize = unpack(format_h)
+        self.e_phnum = unpack(format_h)
+        self.e_shentsize = unpack(format_h)
+        self.e_shnum = unpack(format_h)
+        self.e_shstrndx = unpack(format_h)
+
+
+def _get_elf_header() -> Optional[_ELFFileHeader]:
+    try:
+        with open(sys.executable, "rb") as f:
+            elf_header = _ELFFileHeader(f)
+    except (OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader):
+        return None
+    return elf_header
+
+
+def _is_linux_armhf() -> bool:
+    # hard-float ABI can be detected from the ELF header of the running
+    # process
+    # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_ARM
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABIMASK
+    ) == elf_header.EF_ARM_ABI_VER5
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD
+    ) == elf_header.EF_ARM_ABI_FLOAT_HARD
+    return result
+
+
+def _is_linux_i686() -> bool:
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_386
+    return result
+
+
+def _have_compatible_abi(arch: str) -> bool:
+    if arch == "armv7l":
+        return _is_linux_armhf()
+    if arch == "i686":
+        return _is_linux_i686()
+    return arch in {"x86_64", "aarch64", "ppc64", "ppc64le", "s390x"}
+
+
+# If glibc ever changes its major version, we need to know what the last
+# minor version was, so we can build the complete list of all versions.
+# For now, guess what the highest minor version might be, assume it will
+# be 50 for testing. Once this actually happens, update the dictionary
+# with the actual value.
+_LAST_GLIBC_MINOR: Dict[int, int] = collections.defaultdict(lambda: 50)
+
+
+class _GLibCVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _glibc_version_string_confstr() -> Optional[str]:
+    """
+    Primary implementation of glibc_version_string using os.confstr.
+    """
+    # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
+    # to be broken or missing. This strategy is used in the standard library
+    # platform module.
+    # https://github.com/python/cpython/blob/fcf1d003bf4f0100c/Lib/platform.py#L175-L183
+    try:
+        # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17".
+        version_string = os.confstr("CS_GNU_LIBC_VERSION")
+        assert version_string is not None
+        _, version = version_string.split()
+    except (AssertionError, AttributeError, OSError, ValueError):
+        # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
+        return None
+    return version
+
+
+def _glibc_version_string_ctypes() -> Optional[str]:
+    """
+    Fallback implementation of glibc_version_string using ctypes.
+    """
+    try:
+        import ctypes
+    except ImportError:
+        return None
+
+    # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
+    # manpage says, "If filename is NULL, then the returned handle is for the
+    # main program". This way we can let the linker do the work to figure out
+    # which libc our process is actually using.
+    #
+    # We must also handle the special case where the executable is not a
+    # dynamically linked executable. This can occur when using musl libc,
+    # for example. In this situation, dlopen() will error, leading to an
+    # OSError. Interestingly, at least in the case of musl, there is no
+    # errno set on the OSError. The single string argument used to construct
+    # OSError comes from libc itself and is therefore not portable to
+    # hard code here. In any case, failure to call dlopen() means we
+    # can proceed, so we bail on our attempt.
+    try:
+        process_namespace = ctypes.CDLL(None)
+    except OSError:
+        return None
+
+    try:
+        gnu_get_libc_version = process_namespace.gnu_get_libc_version
+    except AttributeError:
+        # Symbol doesn't exist -> therefore, we are not linked to
+        # glibc.
+        return None
+
+    # Call gnu_get_libc_version, which returns a string like "2.5"
+    gnu_get_libc_version.restype = ctypes.c_char_p
+    version_str: str = gnu_get_libc_version()
+    # py2 / py3 compatibility:
+    if not isinstance(version_str, str):
+        version_str = version_str.decode("ascii")
+
+    return version_str
+
+
+def _glibc_version_string() -> Optional[str]:
+    """Returns glibc version string, or None if not using glibc."""
+    return _glibc_version_string_confstr() or _glibc_version_string_ctypes()
+
+
+def _parse_glibc_version(version_str: str) -> Tuple[int, int]:
+    """Parse glibc version.
+
+    We use a regexp instead of str.split because we want to discard any
+    random junk that might come after the minor version -- this might happen
+    in patched/forked versions of glibc (e.g. Linaro's version of glibc
+    uses version strings like "2.20-2014.11"). See gh-3588.
+    """
+    m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str)
+    if not m:
+        warnings.warn(
+            "Expected glibc version with 2 components major.minor,"
+            " got: %s" % version_str,
+            RuntimeWarning,
+        )
+        return -1, -1
+    return int(m.group("major")), int(m.group("minor"))
+
+
+@functools.lru_cache()
+def _get_glibc_version() -> Tuple[int, int]:
+    version_str = _glibc_version_string()
+    if version_str is None:
+        return (-1, -1)
+    return _parse_glibc_version(version_str)
+
+
+# From PEP 513, PEP 600
+def _is_compatible(name: str, arch: str, version: _GLibCVersion) -> bool:
+    sys_glibc = _get_glibc_version()
+    if sys_glibc < version:
+        return False
+    # Check for presence of _manylinux module.
+    try:
+        import _manylinux  # noqa
+    except ImportError:
+        return True
+    if hasattr(_manylinux, "manylinux_compatible"):
+        result = _manylinux.manylinux_compatible(version[0], version[1], arch)
+        if result is not None:
+            return bool(result)
+        return True
+    if version == _GLibCVersion(2, 5):
+        if hasattr(_manylinux, "manylinux1_compatible"):
+            return bool(_manylinux.manylinux1_compatible)
+    if version == _GLibCVersion(2, 12):
+        if hasattr(_manylinux, "manylinux2010_compatible"):
+            return bool(_manylinux.manylinux2010_compatible)
+    if version == _GLibCVersion(2, 17):
+        if hasattr(_manylinux, "manylinux2014_compatible"):
+            return bool(_manylinux.manylinux2014_compatible)
+    return True
+
+
+_LEGACY_MANYLINUX_MAP = {
+    # CentOS 7 w/ glibc 2.17 (PEP 599)
+    (2, 17): "manylinux2014",
+    # CentOS 6 w/ glibc 2.12 (PEP 571)
+    (2, 12): "manylinux2010",
+    # CentOS 5 w/ glibc 2.5 (PEP 513)
+    (2, 5): "manylinux1",
+}
+
+
+def platform_tags(linux: str, arch: str) -> Iterator[str]:
+    if not _have_compatible_abi(arch):
+        return
+    # Oldest glibc to be supported regardless of architecture is (2, 17).
+    too_old_glibc2 = _GLibCVersion(2, 16)
+    if arch in {"x86_64", "i686"}:
+        # On x86/i686 also oldest glibc to be supported is (2, 5).
+        too_old_glibc2 = _GLibCVersion(2, 4)
+    current_glibc = _GLibCVersion(*_get_glibc_version())
+    glibc_max_list = [current_glibc]
+    # We can assume compatibility across glibc major versions.
+    # https://sourceware.org/bugzilla/show_bug.cgi?id=24636
+    #
+    # Build a list of maximum glibc versions so that we can
+    # output the canonical list of all glibc from current_glibc
+    # down to too_old_glibc2, including all intermediary versions.
+    for glibc_major in range(current_glibc.major - 1, 1, -1):
+        glibc_minor = _LAST_GLIBC_MINOR[glibc_major]
+        glibc_max_list.append(_GLibCVersion(glibc_major, glibc_minor))
+    for glibc_max in glibc_max_list:
+        if glibc_max.major == too_old_glibc2.major:
+            min_minor = too_old_glibc2.minor
+        else:
+            # For other glibc major versions oldest supported is (x, 0).
+            min_minor = -1
+        for glibc_minor in range(glibc_max.minor, min_minor, -1):
+            glibc_version = _GLibCVersion(glibc_max.major, glibc_minor)
+            tag = "manylinux_{}_{}".format(*glibc_version)
+            if _is_compatible(tag, arch, glibc_version):
+                yield linux.replace("linux", tag)
+            # Handle the legacy manylinux1, manylinux2010, manylinux2014 tags.
+            if glibc_version in _LEGACY_MANYLINUX_MAP:
+                legacy_tag = _LEGACY_MANYLINUX_MAP[glibc_version]
+                if _is_compatible(legacy_tag, arch, glibc_version):
+                    yield linux.replace("linux", legacy_tag)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_musllinux.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_musllinux.py
new file mode 100644
index 00000000..8ac3059b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_musllinux.py
@@ -0,0 +1,136 @@
+"""PEP 656 support.
+
+This module implements logic to detect if the currently running Python is
+linked against musl, and what musl version is used.
+"""
+
+import contextlib
+import functools
+import operator
+import os
+import re
+import struct
+import subprocess
+import sys
+from typing import IO, Iterator, NamedTuple, Optional, Tuple
+
+
+def _read_unpacked(f: IO[bytes], fmt: str) -> Tuple[int, ...]:
+    return struct.unpack(fmt, f.read(struct.calcsize(fmt)))
+
+
+def _parse_ld_musl_from_elf(f: IO[bytes]) -> Optional[str]:
+    """Detect musl libc location by parsing the Python executable.
+
+    Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca
+    ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html
+    """
+    f.seek(0)
+    try:
+        ident = _read_unpacked(f, "16B")
+    except struct.error:
+        return None
+    if ident[:4] != tuple(b"\x7fELF"):  # Invalid magic, not ELF.
+        return None
+    f.seek(struct.calcsize("HHI"), 1)  # Skip file type, machine, and version.
+
+    try:
+        # e_fmt: Format for program header.
+        # p_fmt: Format for section header.
+        # p_idx: Indexes to find p_type, p_offset, and p_filesz.
+        e_fmt, p_fmt, p_idx = {
+            1: ("IIIIHHH", "IIIIIIII", (0, 1, 4)),  # 32-bit.
+            2: ("QQQIHHH", "IIQQQQQQ", (0, 2, 5)),  # 64-bit.
+        }[ident[4]]
+    except KeyError:
+        return None
+    else:
+        p_get = operator.itemgetter(*p_idx)
+
+    # Find the interpreter section and return its content.
+    try:
+        _, e_phoff, _, _, _, e_phentsize, e_phnum = _read_unpacked(f, e_fmt)
+    except struct.error:
+        return None
+    for i in range(e_phnum + 1):
+        f.seek(e_phoff + e_phentsize * i)
+        try:
+            p_type, p_offset, p_filesz = p_get(_read_unpacked(f, p_fmt))
+        except struct.error:
+            return None
+        if p_type != 3:  # Not PT_INTERP.
+            continue
+        f.seek(p_offset)
+        interpreter = os.fsdecode(f.read(p_filesz)).strip("\0")
+        if "musl" not in interpreter:
+            return None
+        return interpreter
+    return None
+
+
+class _MuslVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _parse_musl_version(output: str) -> Optional[_MuslVersion]:
+    lines = [n for n in (n.strip() for n in output.splitlines()) if n]
+    if len(lines) < 2 or lines[0][:4] != "musl":
+        return None
+    m = re.match(r"Version (\d+)\.(\d+)", lines[1])
+    if not m:
+        return None
+    return _MuslVersion(major=int(m.group(1)), minor=int(m.group(2)))
+
+
+@functools.lru_cache()
+def _get_musl_version(executable: str) -> Optional[_MuslVersion]:
+    """Detect currently-running musl runtime version.
+
+    This is done by checking the specified executable's dynamic linking
+    information, and invoking the loader to parse its output for a version
+    string. If the loader is musl, the output would be something like::
+
+        musl libc (x86_64)
+        Version 1.2.2
+        Dynamic Program Loader
+    """
+    with contextlib.ExitStack() as stack:
+        try:
+            f = stack.enter_context(open(executable, "rb"))
+        except OSError:
+            return None
+        ld = _parse_ld_musl_from_elf(f)
+    if not ld:
+        return None
+    proc = subprocess.run([ld], stderr=subprocess.PIPE, universal_newlines=True)
+    return _parse_musl_version(proc.stderr)
+
+
+def platform_tags(arch: str) -> Iterator[str]:
+    """Generate musllinux tags compatible to the current platform.
+
+    :param arch: Should be the part of platform tag after the ``linux_``
+        prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a
+        prerequisite for the current platform to be musllinux-compatible.
+
+    :returns: An iterator of compatible musllinux tags.
+    """
+    sys_musl = _get_musl_version(sys.executable)
+    if sys_musl is None:  # Python not dynamically linked against musl.
+        return
+    for minor in range(sys_musl.minor, -1, -1):
+        yield f"musllinux_{sys_musl.major}_{minor}_{arch}"
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sysconfig
+
+    plat = sysconfig.get_platform()
+    assert plat.startswith("linux-"), "not linux"
+
+    print("plat:", plat)
+    print("musl:", _get_musl_version(sys.executable))
+    print("tags:", end=" ")
+    for t in platform_tags(re.sub(r"[.-]", "_", plat.split("-", 1)[-1])):
+        print(t, end="\n      ")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_structures.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_structures.py
new file mode 100644
index 00000000..90a6465f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/_structures.py
@@ -0,0 +1,61 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+
+class InfinityType:
+    def __repr__(self) -> str:
+        return "Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return False
+
+    def __le__(self, other: object) -> bool:
+        return False
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return True
+
+    def __ge__(self, other: object) -> bool:
+        return True
+
+    def __neg__(self: object) -> "NegativeInfinityType":
+        return NegativeInfinity
+
+
+Infinity = InfinityType()
+
+
+class NegativeInfinityType:
+    def __repr__(self) -> str:
+        return "-Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return True
+
+    def __le__(self, other: object) -> bool:
+        return True
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return False
+
+    def __ge__(self, other: object) -> bool:
+        return False
+
+    def __neg__(self: object) -> InfinityType:
+        return Infinity
+
+
+NegativeInfinity = NegativeInfinityType()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/markers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/markers.py
new file mode 100644
index 00000000..540e7a4d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/markers.py
@@ -0,0 +1,304 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import operator
+import os
+import platform
+import sys
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
+
+from pip._vendor.pyparsing import (  # noqa: N817
+    Forward,
+    Group,
+    Literal as L,
+    ParseException,
+    ParseResults,
+    QuotedString,
+    ZeroOrMore,
+    stringEnd,
+    stringStart,
+)
+
+from .specifiers import InvalidSpecifier, Specifier
+
+__all__ = [
+    "InvalidMarker",
+    "UndefinedComparison",
+    "UndefinedEnvironmentName",
+    "Marker",
+    "default_environment",
+]
+
+Operator = Callable[[str, str], bool]
+
+
+class InvalidMarker(ValueError):
+    """
+    An invalid marker was found, users should refer to PEP 508.
+    """
+
+
+class UndefinedComparison(ValueError):
+    """
+    An invalid operation was attempted on a value that doesn't support it.
+    """
+
+
+class UndefinedEnvironmentName(ValueError):
+    """
+    A name was attempted to be used that does not exist inside of the
+    environment.
+    """
+
+
+class Node:
+    def __init__(self, value: Any) -> None:
+        self.value = value
+
+    def __str__(self) -> str:
+        return str(self.value)
+
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__}('{self}')>"
+
+    def serialize(self) -> str:
+        raise NotImplementedError
+
+
+class Variable(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+class Value(Node):
+    def serialize(self) -> str:
+        return f'"{self}"'
+
+
+class Op(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+VARIABLE = (
+    L("implementation_version")
+    | L("platform_python_implementation")
+    | L("implementation_name")
+    | L("python_full_version")
+    | L("platform_release")
+    | L("platform_version")
+    | L("platform_machine")
+    | L("platform_system")
+    | L("python_version")
+    | L("sys_platform")
+    | L("os_name")
+    | L("os.name")  # PEP-345
+    | L("sys.platform")  # PEP-345
+    | L("platform.version")  # PEP-345
+    | L("platform.machine")  # PEP-345
+    | L("platform.python_implementation")  # PEP-345
+    | L("python_implementation")  # undocumented setuptools legacy
+    | L("extra")  # PEP-508
+)
+ALIASES = {
+    "os.name": "os_name",
+    "sys.platform": "sys_platform",
+    "platform.version": "platform_version",
+    "platform.machine": "platform_machine",
+    "platform.python_implementation": "platform_python_implementation",
+    "python_implementation": "platform_python_implementation",
+}
+VARIABLE.setParseAction(lambda s, l, t: Variable(ALIASES.get(t[0], t[0])))
+
+VERSION_CMP = (
+    L("===") | L("==") | L(">=") | L("<=") | L("!=") | L("~=") | L(">") | L("<")
+)
+
+MARKER_OP = VERSION_CMP | L("not in") | L("in")
+MARKER_OP.setParseAction(lambda s, l, t: Op(t[0]))
+
+MARKER_VALUE = QuotedString("'") | QuotedString('"')
+MARKER_VALUE.setParseAction(lambda s, l, t: Value(t[0]))
+
+BOOLOP = L("and") | L("or")
+
+MARKER_VAR = VARIABLE | MARKER_VALUE
+
+MARKER_ITEM = Group(MARKER_VAR + MARKER_OP + MARKER_VAR)
+MARKER_ITEM.setParseAction(lambda s, l, t: tuple(t[0]))
+
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+
+MARKER_EXPR = Forward()
+MARKER_ATOM = MARKER_ITEM | Group(LPAREN + MARKER_EXPR + RPAREN)
+MARKER_EXPR << MARKER_ATOM + ZeroOrMore(BOOLOP + MARKER_EXPR)
+
+MARKER = stringStart + MARKER_EXPR + stringEnd
+
+
+def _coerce_parse_result(results: Union[ParseResults, List[Any]]) -> List[Any]:
+    if isinstance(results, ParseResults):
+        return [_coerce_parse_result(i) for i in results]
+    else:
+        return results
+
+
+def _format_marker(
+    marker: Union[List[str], Tuple[Node, ...], str], first: Optional[bool] = True
+) -> str:
+
+    assert isinstance(marker, (list, tuple, str))
+
+    # Sometimes we have a structure like [[...]] which is a single item list
+    # where the single item is itself it's own list. In that case we want skip
+    # the rest of this function so that we don't get extraneous () on the
+    # outside.
+    if (
+        isinstance(marker, list)
+        and len(marker) == 1
+        and isinstance(marker[0], (list, tuple))
+    ):
+        return _format_marker(marker[0])
+
+    if isinstance(marker, list):
+        inner = (_format_marker(m, first=False) for m in marker)
+        if first:
+            return " ".join(inner)
+        else:
+            return "(" + " ".join(inner) + ")"
+    elif isinstance(marker, tuple):
+        return " ".join([m.serialize() for m in marker])
+    else:
+        return marker
+
+
+_operators: Dict[str, Operator] = {
+    "in": lambda lhs, rhs: lhs in rhs,
+    "not in": lambda lhs, rhs: lhs not in rhs,
+    "<": operator.lt,
+    "<=": operator.le,
+    "==": operator.eq,
+    "!=": operator.ne,
+    ">=": operator.ge,
+    ">": operator.gt,
+}
+
+
+def _eval_op(lhs: str, op: Op, rhs: str) -> bool:
+    try:
+        spec = Specifier("".join([op.serialize(), rhs]))
+    except InvalidSpecifier:
+        pass
+    else:
+        return spec.contains(lhs)
+
+    oper: Optional[Operator] = _operators.get(op.serialize())
+    if oper is None:
+        raise UndefinedComparison(f"Undefined {op!r} on {lhs!r} and {rhs!r}.")
+
+    return oper(lhs, rhs)
+
+
+class Undefined:
+    pass
+
+
+_undefined = Undefined()
+
+
+def _get_env(environment: Dict[str, str], name: str) -> str:
+    value: Union[str, Undefined] = environment.get(name, _undefined)
+
+    if isinstance(value, Undefined):
+        raise UndefinedEnvironmentName(
+            f"{name!r} does not exist in evaluation environment."
+        )
+
+    return value
+
+
+def _evaluate_markers(markers: List[Any], environment: Dict[str, str]) -> bool:
+    groups: List[List[bool]] = [[]]
+
+    for marker in markers:
+        assert isinstance(marker, (list, tuple, str))
+
+        if isinstance(marker, list):
+            groups[-1].append(_evaluate_markers(marker, environment))
+        elif isinstance(marker, tuple):
+            lhs, op, rhs = marker
+
+            if isinstance(lhs, Variable):
+                lhs_value = _get_env(environment, lhs.value)
+                rhs_value = rhs.value
+            else:
+                lhs_value = lhs.value
+                rhs_value = _get_env(environment, rhs.value)
+
+            groups[-1].append(_eval_op(lhs_value, op, rhs_value))
+        else:
+            assert marker in ["and", "or"]
+            if marker == "or":
+                groups.append([])
+
+    return any(all(item) for item in groups)
+
+
+def format_full_version(info: "sys._version_info") -> str:
+    version = "{0.major}.{0.minor}.{0.micro}".format(info)
+    kind = info.releaselevel
+    if kind != "final":
+        version += kind[0] + str(info.serial)
+    return version
+
+
+def default_environment() -> Dict[str, str]:
+    iver = format_full_version(sys.implementation.version)
+    implementation_name = sys.implementation.name
+    return {
+        "implementation_name": implementation_name,
+        "implementation_version": iver,
+        "os_name": os.name,
+        "platform_machine": platform.machine(),
+        "platform_release": platform.release(),
+        "platform_system": platform.system(),
+        "platform_version": platform.version(),
+        "python_full_version": platform.python_version(),
+        "platform_python_implementation": platform.python_implementation(),
+        "python_version": ".".join(platform.python_version_tuple()[:2]),
+        "sys_platform": sys.platform,
+    }
+
+
+class Marker:
+    def __init__(self, marker: str) -> None:
+        try:
+            self._markers = _coerce_parse_result(MARKER.parseString(marker))
+        except ParseException as e:
+            raise InvalidMarker(
+                f"Invalid marker: {marker!r}, parse error at "
+                f"{marker[e.loc : e.loc + 8]!r}"
+            )
+
+    def __str__(self) -> str:
+        return _format_marker(self._markers)
+
+    def __repr__(self) -> str:
+        return f"<Marker('{self}')>"
+
+    def evaluate(self, environment: Optional[Dict[str, str]] = None) -> bool:
+        """Evaluate a marker.
+
+        Return the boolean from evaluating the given marker against the
+        environment. environment is an optional argument to override all or
+        part of the determined environment.
+
+        The environment is determined from the current Python process.
+        """
+        current_environment = default_environment()
+        if environment is not None:
+            current_environment.update(environment)
+
+        return _evaluate_markers(self._markers, current_environment)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/requirements.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/requirements.py
new file mode 100644
index 00000000..1eab7dd6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/requirements.py
@@ -0,0 +1,146 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+import string
+import urllib.parse
+from typing import List, Optional as TOptional, Set
+
+from pip._vendor.pyparsing import (  # noqa
+    Combine,
+    Literal as L,
+    Optional,
+    ParseException,
+    Regex,
+    Word,
+    ZeroOrMore,
+    originalTextFor,
+    stringEnd,
+    stringStart,
+)
+
+from .markers import MARKER_EXPR, Marker
+from .specifiers import LegacySpecifier, Specifier, SpecifierSet
+
+
+class InvalidRequirement(ValueError):
+    """
+    An invalid requirement was found, users should refer to PEP 508.
+    """
+
+
+ALPHANUM = Word(string.ascii_letters + string.digits)
+
+LBRACKET = L("[").suppress()
+RBRACKET = L("]").suppress()
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+COMMA = L(",").suppress()
+SEMICOLON = L(";").suppress()
+AT = L("@").suppress()
+
+PUNCTUATION = Word("-_.")
+IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM)
+IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END))
+
+NAME = IDENTIFIER("name")
+EXTRA = IDENTIFIER
+
+URI = Regex(r"[^ ]+")("url")
+URL = AT + URI
+
+EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA)
+EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras")
+
+VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE)
+VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE)
+
+VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY
+VERSION_MANY = Combine(
+    VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False
+)("_raw_spec")
+_VERSION_SPEC = Optional((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)
+_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or "")
+
+VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier")
+VERSION_SPEC.setParseAction(lambda s, l, t: t[1])
+
+MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
+MARKER_EXPR.setParseAction(
+    lambda s, l, t: Marker(s[t._original_start : t._original_end])
+)
+MARKER_SEPARATOR = SEMICOLON
+MARKER = MARKER_SEPARATOR + MARKER_EXPR
+
+VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER)
+URL_AND_MARKER = URL + Optional(MARKER)
+
+NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)
+
+REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd
+# pyparsing isn't thread safe during initialization, so we do it eagerly, see
+# issue #104
+REQUIREMENT.parseString("x[]")
+
+
+class Requirement:
+    """Parse a requirement.
+
+    Parse a given requirement string into its parts, such as name, specifier,
+    URL, and extras. Raises InvalidRequirement on a badly-formed requirement
+    string.
+    """
+
+    # TODO: Can we test whether something is contained within a requirement?
+    #       If so how do we do that? Do we need to test against the _name_ of
+    #       the thing as well as the version? What about the markers?
+    # TODO: Can we normalize the name and extra name?
+
+    def __init__(self, requirement_string: str) -> None:
+        try:
+            req = REQUIREMENT.parseString(requirement_string)
+        except ParseException as e:
+            raise InvalidRequirement(
+                f'Parse error at "{ requirement_string[e.loc : e.loc + 8]!r}": {e.msg}'
+            )
+
+        self.name: str = req.name
+        if req.url:
+            parsed_url = urllib.parse.urlparse(req.url)
+            if parsed_url.scheme == "file":
+                if urllib.parse.urlunparse(parsed_url) != req.url:
+                    raise InvalidRequirement("Invalid URL given")
+            elif not (parsed_url.scheme and parsed_url.netloc) or (
+                not parsed_url.scheme and not parsed_url.netloc
+            ):
+                raise InvalidRequirement(f"Invalid URL: {req.url}")
+            self.url: TOptional[str] = req.url
+        else:
+            self.url = None
+        self.extras: Set[str] = set(req.extras.asList() if req.extras else [])
+        self.specifier: SpecifierSet = SpecifierSet(req.specifier)
+        self.marker: TOptional[Marker] = req.marker if req.marker else None
+
+    def __str__(self) -> str:
+        parts: List[str] = [self.name]
+
+        if self.extras:
+            formatted_extras = ",".join(sorted(self.extras))
+            parts.append(f"[{formatted_extras}]")
+
+        if self.specifier:
+            parts.append(str(self.specifier))
+
+        if self.url:
+            parts.append(f"@ {self.url}")
+            if self.marker:
+                parts.append(" ")
+
+        if self.marker:
+            parts.append(f"; {self.marker}")
+
+        return "".join(parts)
+
+    def __repr__(self) -> str:
+        return f"<Requirement('{self}')>"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/specifiers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/specifiers.py
new file mode 100644
index 00000000..0e218a6f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/specifiers.py
@@ -0,0 +1,802 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import abc
+import functools
+import itertools
+import re
+import warnings
+from typing import (
+    Callable,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Pattern,
+    Set,
+    Tuple,
+    TypeVar,
+    Union,
+)
+
+from .utils import canonicalize_version
+from .version import LegacyVersion, Version, parse
+
+ParsedVersion = Union[Version, LegacyVersion]
+UnparsedVersion = Union[Version, LegacyVersion, str]
+VersionTypeVar = TypeVar("VersionTypeVar", bound=UnparsedVersion)
+CallableOperator = Callable[[ParsedVersion, str], bool]
+
+
+class InvalidSpecifier(ValueError):
+    """
+    An invalid specifier was found, users should refer to PEP 440.
+    """
+
+
+class BaseSpecifier(metaclass=abc.ABCMeta):
+    @abc.abstractmethod
+    def __str__(self) -> str:
+        """
+        Returns the str representation of this Specifier like object. This
+        should be representative of the Specifier itself.
+        """
+
+    @abc.abstractmethod
+    def __hash__(self) -> int:
+        """
+        Returns a hash value for this Specifier like object.
+        """
+
+    @abc.abstractmethod
+    def __eq__(self, other: object) -> bool:
+        """
+        Returns a boolean representing whether or not the two Specifier like
+        objects are equal.
+        """
+
+    @abc.abstractproperty
+    def prereleases(self) -> Optional[bool]:
+        """
+        Returns whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        """
+        Sets whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @abc.abstractmethod
+    def contains(self, item: str, prereleases: Optional[bool] = None) -> bool:
+        """
+        Determines if the given item is contained within this specifier.
+        """
+
+    @abc.abstractmethod
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+        """
+        Takes an iterable of items and filters them so that only items which
+        are contained within this specifier are allowed in it.
+        """
+
+
+class _IndividualSpecifier(BaseSpecifier):
+
+    _operators: Dict[str, str] = {}
+    _regex: Pattern[str]
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        match = self._regex.search(spec)
+        if not match:
+            raise InvalidSpecifier(f"Invalid specifier: '{spec}'")
+
+        self._spec: Tuple[str, str] = (
+            match.group("operator").strip(),
+            match.group("version").strip(),
+        )
+
+        # Store whether or not this Specifier should accept prereleases
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return f"<{self.__class__.__name__}({str(self)!r}{pre})>"
+
+    def __str__(self) -> str:
+        return "{}{}".format(*self._spec)
+
+    @property
+    def _canonical_spec(self) -> Tuple[str, str]:
+        return self._spec[0], canonicalize_version(self._spec[1])
+
+    def __hash__(self) -> int:
+        return hash(self._canonical_spec)
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, str):
+            try:
+                other = self.__class__(str(other))
+            except InvalidSpecifier:
+                return NotImplemented
+        elif not isinstance(other, self.__class__):
+            return NotImplemented
+
+        return self._canonical_spec == other._canonical_spec
+
+    def _get_operator(self, op: str) -> CallableOperator:
+        operator_callable: CallableOperator = getattr(
+            self, f"_compare_{self._operators[op]}"
+        )
+        return operator_callable
+
+    def _coerce_version(self, version: UnparsedVersion) -> ParsedVersion:
+        if not isinstance(version, (LegacyVersion, Version)):
+            version = parse(version)
+        return version
+
+    @property
+    def operator(self) -> str:
+        return self._spec[0]
+
+    @property
+    def version(self) -> str:
+        return self._spec[1]
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+        return self._prereleases
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: str) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Determine if prereleases are to be allowed or not.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # Normalize item to a Version or LegacyVersion, this allows us to have
+        # a shortcut for ``"2.0" in Specifier(">=2")
+        normalized_item = self._coerce_version(item)
+
+        # Determine if we should be supporting prereleases in this specifier
+        # or not, if we do not support prereleases than we can short circuit
+        # logic if this version is a prereleases.
+        if normalized_item.is_prerelease and not prereleases:
+            return False
+
+        # Actually do the comparison to determine if this item is contained
+        # within this Specifier or not.
+        operator_callable: CallableOperator = self._get_operator(self.operator)
+        return operator_callable(normalized_item, self.version)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        yielded = False
+        found_prereleases = []
+
+        kw = {"prereleases": prereleases if prereleases is not None else True}
+
+        # Attempt to iterate over all the values in the iterable and if any of
+        # them match, yield them.
+        for version in iterable:
+            parsed_version = self._coerce_version(version)
+
+            if self.contains(parsed_version, **kw):
+                # If our version is a prerelease, and we were not set to allow
+                # prereleases, then we'll store it for later in case nothing
+                # else matches this specifier.
+                if parsed_version.is_prerelease and not (
+                    prereleases or self.prereleases
+                ):
+                    found_prereleases.append(version)
+                # Either this is not a prerelease, or we should have been
+                # accepting prereleases from the beginning.
+                else:
+                    yielded = True
+                    yield version
+
+        # Now that we've iterated over everything, determine if we've yielded
+        # any values, and if we have not and we have any prereleases stored up
+        # then we will go ahead and yield the prereleases.
+        if not yielded and found_prereleases:
+            for version in found_prereleases:
+                yield version
+
+
+class LegacySpecifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(==|!=|<=|>=|<|>))
+        \s*
+        (?P<version>
+            [^,;\s)]* # Since this is a "legacy" specifier, and the version
+                      # string can be just about anything, we match everything
+                      # except for whitespace, a semi-colon for marker support,
+                      # a closing paren since versions can be enclosed in
+                      # them, and a comma since it's a version separator.
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+    }
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        super().__init__(spec, prereleases)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def _coerce_version(self, version: UnparsedVersion) -> LegacyVersion:
+        if not isinstance(version, LegacyVersion):
+            version = LegacyVersion(str(version))
+        return version
+
+    def _compare_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective == self._coerce_version(spec)
+
+    def _compare_not_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective != self._coerce_version(spec)
+
+    def _compare_less_than_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective <= self._coerce_version(spec)
+
+    def _compare_greater_than_equal(
+        self, prospective: LegacyVersion, spec: str
+    ) -> bool:
+        return prospective >= self._coerce_version(spec)
+
+    def _compare_less_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective < self._coerce_version(spec)
+
+    def _compare_greater_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective > self._coerce_version(spec)
+
+
+def _require_version_compare(
+    fn: Callable[["Specifier", ParsedVersion, str], bool]
+) -> Callable[["Specifier", ParsedVersion, str], bool]:
+    @functools.wraps(fn)
+    def wrapped(self: "Specifier", prospective: ParsedVersion, spec: str) -> bool:
+        if not isinstance(prospective, Version):
+            return False
+        return fn(self, prospective, spec)
+
+    return wrapped
+
+
+class Specifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(~=|==|!=|<=|>=|<|>|===))
+        (?P<version>
+            (?:
+                # The identity operators allow for an escape hatch that will
+                # do an exact string match of the version you wish to install.
+                # This will not be parsed by PEP 440 and we cannot determine
+                # any semantic meaning from it. This operator is discouraged
+                # but included entirely as an escape hatch.
+                (?<====)  # Only match for the identity operator
+                \s*
+                [^\s]*    # We just match everything, except for whitespace
+                          # since we are only testing for strict identity.
+            )
+            |
+            (?:
+                # The (non)equality operators allow for wild card and local
+                # versions to be specified so we have to define these two
+                # operators separately to enable that.
+                (?<===|!=)            # Only match for equals and not equals
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+
+                # You cannot use a wild card and a dev or local version
+                # together so group them with a | and make them optional.
+                (?:
+                    (?:[-_\.]?dev[-_\.]?[0-9]*)?         # dev release
+                    (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local
+                    |
+                    \.\*  # Wild card syntax of .*
+                )?
+            )
+            |
+            (?:
+                # The compatible operator requires at least two digits in the
+                # release segment.
+                (?<=~=)               # Only match for the compatible operator
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)+   # release  (We have a + instead of a *)
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+            |
+            (?:
+                # All other operators only allow a sub set of what the
+                # (non)equality operators do. Specifically they do not allow
+                # local versions to be specified nor do they allow the prefix
+                # matching wild cards.
+                (?<!==|!=|~=)         # We have special cases for these
+                                      # operators so we want to make sure they
+                                      # don't match here.
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "~=": "compatible",
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+        "===": "arbitrary",
+    }
+
+    @_require_version_compare
+    def _compare_compatible(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # Compatible releases have an equivalent combination of >= and ==. That
+        # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to
+        # implement this in terms of the other specifiers instead of
+        # implementing it ourselves. The only thing we need to do is construct
+        # the other specifiers.
+
+        # We want everything but the last item in the version, but we want to
+        # ignore suffix segments.
+        prefix = ".".join(
+            list(itertools.takewhile(_is_not_suffix, _version_split(spec)))[:-1]
+        )
+
+        # Add the prefix notation to the end of our string
+        prefix += ".*"
+
+        return self._get_operator(">=")(prospective, spec) and self._get_operator("==")(
+            prospective, prefix
+        )
+
+    @_require_version_compare
+    def _compare_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # We need special logic to handle prefix matching
+        if spec.endswith(".*"):
+            # In the case of prefix matching we want to ignore local segment.
+            prospective = Version(prospective.public)
+            # Split the spec out by dots, and pretend that there is an implicit
+            # dot in between a release segment and a pre-release segment.
+            split_spec = _version_split(spec[:-2])  # Remove the trailing .*
+
+            # Split the prospective version out by dots, and pretend that there
+            # is an implicit dot in between a release segment and a pre-release
+            # segment.
+            split_prospective = _version_split(str(prospective))
+
+            # Shorten the prospective version to be the same length as the spec
+            # so that we can determine if the specifier is a prefix of the
+            # prospective version or not.
+            shortened_prospective = split_prospective[: len(split_spec)]
+
+            # Pad out our two sides with zeros so that they both equal the same
+            # length.
+            padded_spec, padded_prospective = _pad_version(
+                split_spec, shortened_prospective
+            )
+
+            return padded_prospective == padded_spec
+        else:
+            # Convert our spec string into a Version
+            spec_version = Version(spec)
+
+            # If the specifier does not have a local segment, then we want to
+            # act as if the prospective version also does not have a local
+            # segment.
+            if not spec_version.local:
+                prospective = Version(prospective.public)
+
+            return prospective == spec_version
+
+    @_require_version_compare
+    def _compare_not_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+        return not self._compare_equal(prospective, spec)
+
+    @_require_version_compare
+    def _compare_less_than_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) <= Version(spec)
+
+    @_require_version_compare
+    def _compare_greater_than_equal(
+        self, prospective: ParsedVersion, spec: str
+    ) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) >= Version(spec)
+
+    @_require_version_compare
+    def _compare_less_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is less than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective < spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a pre-release version, that we do not accept pre-release
+        # versions for the version mentioned in the specifier (e.g. <3.1 should
+        # not match 3.1.dev0, but should match 3.0.dev0).
+        if not spec.is_prerelease and prospective.is_prerelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # less than the spec version *and* it's not a pre-release of the same
+        # version in the spec.
+        return True
+
+    @_require_version_compare
+    def _compare_greater_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is greater than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective > spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a post-release version, that we do not accept
+        # post-release versions for the version mentioned in the specifier
+        # (e.g. >3.1 should not match 3.0.post0, but should match 3.2.post0).
+        if not spec.is_postrelease and prospective.is_postrelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # Ensure that we do not allow a local version of the version mentioned
+        # in the specifier, which is technically greater than, to match.
+        if prospective.local is not None:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # greater than the spec version *and* it's not a pre-release of the
+        # same version in the spec.
+        return True
+
+    def _compare_arbitrary(self, prospective: Version, spec: str) -> bool:
+        return str(prospective).lower() == str(spec).lower()
+
+    @property
+    def prereleases(self) -> bool:
+
+        # If there is an explicit prereleases set for this, then we'll just
+        # blindly use that.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # Look at all of our specifiers and determine if they are inclusive
+        # operators, and if they are if they are including an explicit
+        # prerelease.
+        operator, version = self._spec
+        if operator in ["==", ">=", "<=", "~=", "==="]:
+            # The == specifier can include a trailing .*, if it does we
+            # want to remove before parsing.
+            if operator == "==" and version.endswith(".*"):
+                version = version[:-2]
+
+            # Parse the version, and if it is a pre-release than this
+            # specifier allows pre-releases.
+            if parse(version).is_prerelease:
+                return True
+
+        return False
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+
+_prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$")
+
+
+def _version_split(version: str) -> List[str]:
+    result: List[str] = []
+    for item in version.split("."):
+        match = _prefix_regex.search(item)
+        if match:
+            result.extend(match.groups())
+        else:
+            result.append(item)
+    return result
+
+
+def _is_not_suffix(segment: str) -> bool:
+    return not any(
+        segment.startswith(prefix) for prefix in ("dev", "a", "b", "rc", "post")
+    )
+
+
+def _pad_version(left: List[str], right: List[str]) -> Tuple[List[str], List[str]]:
+    left_split, right_split = [], []
+
+    # Get the release segment of our versions
+    left_split.append(list(itertools.takewhile(lambda x: x.isdigit(), left)))
+    right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right)))
+
+    # Get the rest of our versions
+    left_split.append(left[len(left_split[0]) :])
+    right_split.append(right[len(right_split[0]) :])
+
+    # Insert our padding
+    left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0])))
+    right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0])))
+
+    return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split)))
+
+
+class SpecifierSet(BaseSpecifier):
+    def __init__(
+        self, specifiers: str = "", prereleases: Optional[bool] = None
+    ) -> None:
+
+        # Split on , to break each individual specifier into it's own item, and
+        # strip each item to remove leading/trailing whitespace.
+        split_specifiers = [s.strip() for s in specifiers.split(",") if s.strip()]
+
+        # Parsed each individual specifier, attempting first to make it a
+        # Specifier and falling back to a LegacySpecifier.
+        parsed: Set[_IndividualSpecifier] = set()
+        for specifier in split_specifiers:
+            try:
+                parsed.add(Specifier(specifier))
+            except InvalidSpecifier:
+                parsed.add(LegacySpecifier(specifier))
+
+        # Turn our parsed specifiers into a frozen set and save them for later.
+        self._specs = frozenset(parsed)
+
+        # Store our prereleases value so we can use it later to determine if
+        # we accept prereleases or not.
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return f"<SpecifierSet({str(self)!r}{pre})>"
+
+    def __str__(self) -> str:
+        return ",".join(sorted(str(s) for s in self._specs))
+
+    def __hash__(self) -> int:
+        return hash(self._specs)
+
+    def __and__(self, other: Union["SpecifierSet", str]) -> "SpecifierSet":
+        if isinstance(other, str):
+            other = SpecifierSet(other)
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        specifier = SpecifierSet()
+        specifier._specs = frozenset(self._specs | other._specs)
+
+        if self._prereleases is None and other._prereleases is not None:
+            specifier._prereleases = other._prereleases
+        elif self._prereleases is not None and other._prereleases is None:
+            specifier._prereleases = self._prereleases
+        elif self._prereleases == other._prereleases:
+            specifier._prereleases = self._prereleases
+        else:
+            raise ValueError(
+                "Cannot combine SpecifierSets with True and False prerelease "
+                "overrides."
+            )
+
+        return specifier
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, (str, _IndividualSpecifier)):
+            other = SpecifierSet(str(other))
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        return self._specs == other._specs
+
+    def __len__(self) -> int:
+        return len(self._specs)
+
+    def __iter__(self) -> Iterator[_IndividualSpecifier]:
+        return iter(self._specs)
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+
+        # If we have been given an explicit prerelease modifier, then we'll
+        # pass that through here.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # If we don't have any specifiers, and we don't have a forced value,
+        # then we'll just return None since we don't know if this should have
+        # pre-releases or not.
+        if not self._specs:
+            return None
+
+        # Otherwise we'll see if any of the given specifiers accept
+        # prereleases, if any of them do we'll return True, otherwise False.
+        return any(s.prereleases for s in self._specs)
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: UnparsedVersion) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Ensure that our item is a Version or LegacyVersion instance.
+        if not isinstance(item, (LegacyVersion, Version)):
+            item = parse(item)
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # We can determine if we're going to allow pre-releases by looking to
+        # see if any of the underlying items supports them. If none of them do
+        # and this item is a pre-release then we do not allow it and we can
+        # short circuit that here.
+        # Note: This means that 1.0.dev1 would not be contained in something
+        #       like >=1.0.devabc however it would be in >=1.0.debabc,>0.0.dev0
+        if not prereleases and item.is_prerelease:
+            return False
+
+        # We simply dispatch to the underlying specs here to make sure that the
+        # given version is contained within all of them.
+        # Note: This use of all() here means that an empty set of specifiers
+        #       will always return True, this is an explicit design decision.
+        return all(s.contains(item, prereleases=prereleases) for s in self._specs)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # If we have any specifiers, then we want to wrap our iterable in the
+        # filter method for each one, this will act as a logical AND amongst
+        # each specifier.
+        if self._specs:
+            for spec in self._specs:
+                iterable = spec.filter(iterable, prereleases=bool(prereleases))
+            return iterable
+        # If we do not have any specifiers, then we need to have a rough filter
+        # which will filter out any pre-releases, unless there are no final
+        # releases, and which will filter out LegacyVersion in general.
+        else:
+            filtered: List[VersionTypeVar] = []
+            found_prereleases: List[VersionTypeVar] = []
+
+            item: UnparsedVersion
+            parsed_version: Union[Version, LegacyVersion]
+
+            for item in iterable:
+                # Ensure that we some kind of Version class for this item.
+                if not isinstance(item, (LegacyVersion, Version)):
+                    parsed_version = parse(item)
+                else:
+                    parsed_version = item
+
+                # Filter out any item which is parsed as a LegacyVersion
+                if isinstance(parsed_version, LegacyVersion):
+                    continue
+
+                # Store any item which is a pre-release for later unless we've
+                # already found a final version or we are accepting prereleases
+                if parsed_version.is_prerelease and not prereleases:
+                    if not filtered:
+                        found_prereleases.append(item)
+                else:
+                    filtered.append(item)
+
+            # If we've found no items except for pre-releases, then we'll go
+            # ahead and use the pre-releases
+            if not filtered and found_prereleases and prereleases is None:
+                return found_prereleases
+
+            return filtered
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/tags.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/tags.py
new file mode 100644
index 00000000..9a3d25a7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/tags.py
@@ -0,0 +1,487 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import logging
+import platform
+import sys
+import sysconfig
+from importlib.machinery import EXTENSION_SUFFIXES
+from typing import (
+    Dict,
+    FrozenSet,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+    cast,
+)
+
+from . import _manylinux, _musllinux
+
+logger = logging.getLogger(__name__)
+
+PythonVersion = Sequence[int]
+MacVersion = Tuple[int, int]
+
+INTERPRETER_SHORT_NAMES: Dict[str, str] = {
+    "python": "py",  # Generic.
+    "cpython": "cp",
+    "pypy": "pp",
+    "ironpython": "ip",
+    "jython": "jy",
+}
+
+
+_32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32
+
+
+class Tag:
+    """
+    A representation of the tag triple for a wheel.
+
+    Instances are considered immutable and thus are hashable. Equality checking
+    is also supported.
+    """
+
+    __slots__ = ["_interpreter", "_abi", "_platform", "_hash"]
+
+    def __init__(self, interpreter: str, abi: str, platform: str) -> None:
+        self._interpreter = interpreter.lower()
+        self._abi = abi.lower()
+        self._platform = platform.lower()
+        # The __hash__ of every single element in a Set[Tag] will be evaluated each time
+        # that a set calls its `.disjoint()` method, which may be called hundreds of
+        # times when scanning a page of links for packages with tags matching that
+        # Set[Tag]. Pre-computing the value here produces significant speedups for
+        # downstream consumers.
+        self._hash = hash((self._interpreter, self._abi, self._platform))
+
+    @property
+    def interpreter(self) -> str:
+        return self._interpreter
+
+    @property
+    def abi(self) -> str:
+        return self._abi
+
+    @property
+    def platform(self) -> str:
+        return self._platform
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, Tag):
+            return NotImplemented
+
+        return (
+            (self._hash == other._hash)  # Short-circuit ASAP for perf reasons.
+            and (self._platform == other._platform)
+            and (self._abi == other._abi)
+            and (self._interpreter == other._interpreter)
+        )
+
+    def __hash__(self) -> int:
+        return self._hash
+
+    def __str__(self) -> str:
+        return f"{self._interpreter}-{self._abi}-{self._platform}"
+
+    def __repr__(self) -> str:
+        return f"<{self} @ {id(self)}>"
+
+
+def parse_tag(tag: str) -> FrozenSet[Tag]:
+    """
+    Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances.
+
+    Returning a set is required due to the possibility that the tag is a
+    compressed tag set.
+    """
+    tags = set()
+    interpreters, abis, platforms = tag.split("-")
+    for interpreter in interpreters.split("."):
+        for abi in abis.split("."):
+            for platform_ in platforms.split("."):
+                tags.add(Tag(interpreter, abi, platform_))
+    return frozenset(tags)
+
+
+def _get_config_var(name: str, warn: bool = False) -> Union[int, str, None]:
+    value = sysconfig.get_config_var(name)
+    if value is None and warn:
+        logger.debug(
+            "Config variable '%s' is unset, Python ABI tag may be incorrect", name
+        )
+    return value
+
+
+def _normalize_string(string: str) -> str:
+    return string.replace(".", "_").replace("-", "_")
+
+
+def _abi3_applies(python_version: PythonVersion) -> bool:
+    """
+    Determine if the Python version supports abi3.
+
+    PEP 384 was first implemented in Python 3.2.
+    """
+    return len(python_version) > 1 and tuple(python_version) >= (3, 2)
+
+
+def _cpython_abis(py_version: PythonVersion, warn: bool = False) -> List[str]:
+    py_version = tuple(py_version)  # To allow for version comparison.
+    abis = []
+    version = _version_nodot(py_version[:2])
+    debug = pymalloc = ucs4 = ""
+    with_debug = _get_config_var("Py_DEBUG", warn)
+    has_refcount = hasattr(sys, "gettotalrefcount")
+    # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled
+    # extension modules is the best option.
+    # https://github.com/pypa/pip/issues/3383#issuecomment-173267692
+    has_ext = "_d.pyd" in EXTENSION_SUFFIXES
+    if with_debug or (with_debug is None and (has_refcount or has_ext)):
+        debug = "d"
+    if py_version < (3, 8):
+        with_pymalloc = _get_config_var("WITH_PYMALLOC", warn)
+        if with_pymalloc or with_pymalloc is None:
+            pymalloc = "m"
+        if py_version < (3, 3):
+            unicode_size = _get_config_var("Py_UNICODE_SIZE", warn)
+            if unicode_size == 4 or (
+                unicode_size is None and sys.maxunicode == 0x10FFFF
+            ):
+                ucs4 = "u"
+    elif debug:
+        # Debug builds can also load "normal" extension modules.
+        # We can also assume no UCS-4 or pymalloc requirement.
+        abis.append(f"cp{version}")
+    abis.insert(
+        0,
+        "cp{version}{debug}{pymalloc}{ucs4}".format(
+            version=version, debug=debug, pymalloc=pymalloc, ucs4=ucs4
+        ),
+    )
+    return abis
+
+
+def cpython_tags(
+    python_version: Optional[PythonVersion] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a CPython interpreter.
+
+    The tags consist of:
+    - cp<python_version>-<abi>-<platform>
+    - cp<python_version>-abi3-<platform>
+    - cp<python_version>-none-<platform>
+    - cp<less than python_version>-abi3-<platform>  # Older Python versions down to 3.2.
+
+    If python_version only specifies a major version then user-provided ABIs and
+    the 'none' ABItag will be used.
+
+    If 'abi3' or 'none' are specified in 'abis' then they will be yielded at
+    their normal position and not at the beginning.
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+
+    interpreter = f"cp{_version_nodot(python_version[:2])}"
+
+    if abis is None:
+        if len(python_version) > 1:
+            abis = _cpython_abis(python_version, warn)
+        else:
+            abis = []
+    abis = list(abis)
+    # 'abi3' and 'none' are explicitly handled later.
+    for explicit_abi in ("abi3", "none"):
+        try:
+            abis.remove(explicit_abi)
+        except ValueError:
+            pass
+
+    platforms = list(platforms or platform_tags())
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+    if _abi3_applies(python_version):
+        yield from (Tag(interpreter, "abi3", platform_) for platform_ in platforms)
+    yield from (Tag(interpreter, "none", platform_) for platform_ in platforms)
+
+    if _abi3_applies(python_version):
+        for minor_version in range(python_version[1] - 1, 1, -1):
+            for platform_ in platforms:
+                interpreter = "cp{version}".format(
+                    version=_version_nodot((python_version[0], minor_version))
+                )
+                yield Tag(interpreter, "abi3", platform_)
+
+
+def _generic_abi() -> Iterator[str]:
+    abi = sysconfig.get_config_var("SOABI")
+    if abi:
+        yield _normalize_string(abi)
+
+
+def generic_tags(
+    interpreter: Optional[str] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a generic interpreter.
+
+    The tags consist of:
+    - <interpreter>-<abi>-<platform>
+
+    The "none" ABI will be added if it was not explicitly provided.
+    """
+    if not interpreter:
+        interp_name = interpreter_name()
+        interp_version = interpreter_version(warn=warn)
+        interpreter = "".join([interp_name, interp_version])
+    if abis is None:
+        abis = _generic_abi()
+    platforms = list(platforms or platform_tags())
+    abis = list(abis)
+    if "none" not in abis:
+        abis.append("none")
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+
+
+def _py_interpreter_range(py_version: PythonVersion) -> Iterator[str]:
+    """
+    Yields Python versions in descending order.
+
+    After the latest version, the major-only version will be yielded, and then
+    all previous versions of that major version.
+    """
+    if len(py_version) > 1:
+        yield f"py{_version_nodot(py_version[:2])}"
+    yield f"py{py_version[0]}"
+    if len(py_version) > 1:
+        for minor in range(py_version[1] - 1, -1, -1):
+            yield f"py{_version_nodot((py_version[0], minor))}"
+
+
+def compatible_tags(
+    python_version: Optional[PythonVersion] = None,
+    interpreter: Optional[str] = None,
+    platforms: Optional[Iterable[str]] = None,
+) -> Iterator[Tag]:
+    """
+    Yields the sequence of tags that are compatible with a specific version of Python.
+
+    The tags consist of:
+    - py*-none-<platform>
+    - <interpreter>-none-any  # ... if `interpreter` is provided.
+    - py*-none-any
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+    platforms = list(platforms or platform_tags())
+    for version in _py_interpreter_range(python_version):
+        for platform_ in platforms:
+            yield Tag(version, "none", platform_)
+    if interpreter:
+        yield Tag(interpreter, "none", "any")
+    for version in _py_interpreter_range(python_version):
+        yield Tag(version, "none", "any")
+
+
+def _mac_arch(arch: str, is_32bit: bool = _32_BIT_INTERPRETER) -> str:
+    if not is_32bit:
+        return arch
+
+    if arch.startswith("ppc"):
+        return "ppc"
+
+    return "i386"
+
+
+def _mac_binary_formats(version: MacVersion, cpu_arch: str) -> List[str]:
+    formats = [cpu_arch]
+    if cpu_arch == "x86_64":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat64", "fat32"])
+
+    elif cpu_arch == "i386":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat32", "fat"])
+
+    elif cpu_arch == "ppc64":
+        # TODO: Need to care about 32-bit PPC for ppc64 through 10.2?
+        if version > (10, 5) or version < (10, 4):
+            return []
+        formats.append("fat64")
+
+    elif cpu_arch == "ppc":
+        if version > (10, 6):
+            return []
+        formats.extend(["fat32", "fat"])
+
+    if cpu_arch in {"arm64", "x86_64"}:
+        formats.append("universal2")
+
+    if cpu_arch in {"x86_64", "i386", "ppc64", "ppc", "intel"}:
+        formats.append("universal")
+
+    return formats
+
+
+def mac_platforms(
+    version: Optional[MacVersion] = None, arch: Optional[str] = None
+) -> Iterator[str]:
+    """
+    Yields the platform tags for a macOS system.
+
+    The `version` parameter is a two-item tuple specifying the macOS version to
+    generate platform tags for. The `arch` parameter is the CPU architecture to
+    generate platform tags for. Both parameters default to the appropriate value
+    for the current system.
+    """
+    version_str, _, cpu_arch = platform.mac_ver()
+    if version is None:
+        version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2])))
+    else:
+        version = version
+    if arch is None:
+        arch = _mac_arch(cpu_arch)
+    else:
+        arch = arch
+
+    if (10, 0) <= version and version < (11, 0):
+        # Prior to Mac OS 11, each yearly release of Mac OS bumped the
+        # "minor" version number.  The major version was always 10.
+        for minor_version in range(version[1], -1, -1):
+            compat_version = 10, minor_version
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=10, minor=minor_version, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Starting with Mac OS 11, each yearly release bumps the major version
+        # number.   The minor versions are now the midyear updates.
+        for major_version in range(version[0], 10, -1):
+            compat_version = major_version, 0
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=major_version, minor=0, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Mac OS 11 on x86_64 is compatible with binaries from previous releases.
+        # Arm64 support was introduced in 11.0, so no Arm binaries from previous
+        # releases exist.
+        #
+        # However, the "universal2" binary format can have a
+        # macOS version earlier than 11.0 when the x86_64 part of the binary supports
+        # that version of macOS.
+        if arch == "x86_64":
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_formats = _mac_binary_formats(compat_version, arch)
+                for binary_format in binary_formats:
+                    yield "macosx_{major}_{minor}_{binary_format}".format(
+                        major=compat_version[0],
+                        minor=compat_version[1],
+                        binary_format=binary_format,
+                    )
+        else:
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_format = "universal2"
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=compat_version[0],
+                    minor=compat_version[1],
+                    binary_format=binary_format,
+                )
+
+
+def _linux_platforms(is_32bit: bool = _32_BIT_INTERPRETER) -> Iterator[str]:
+    linux = _normalize_string(sysconfig.get_platform())
+    if is_32bit:
+        if linux == "linux_x86_64":
+            linux = "linux_i686"
+        elif linux == "linux_aarch64":
+            linux = "linux_armv7l"
+    _, arch = linux.split("_", 1)
+    yield from _manylinux.platform_tags(linux, arch)
+    yield from _musllinux.platform_tags(arch)
+    yield linux
+
+
+def _generic_platforms() -> Iterator[str]:
+    yield _normalize_string(sysconfig.get_platform())
+
+
+def platform_tags() -> Iterator[str]:
+    """
+    Provides the platform tags for this installation.
+    """
+    if platform.system() == "Darwin":
+        return mac_platforms()
+    elif platform.system() == "Linux":
+        return _linux_platforms()
+    else:
+        return _generic_platforms()
+
+
+def interpreter_name() -> str:
+    """
+    Returns the name of the running interpreter.
+    """
+    name = sys.implementation.name
+    return INTERPRETER_SHORT_NAMES.get(name) or name
+
+
+def interpreter_version(*, warn: bool = False) -> str:
+    """
+    Returns the version of the running interpreter.
+    """
+    version = _get_config_var("py_version_nodot", warn=warn)
+    if version:
+        version = str(version)
+    else:
+        version = _version_nodot(sys.version_info[:2])
+    return version
+
+
+def _version_nodot(version: PythonVersion) -> str:
+    return "".join(map(str, version))
+
+
+def sys_tags(*, warn: bool = False) -> Iterator[Tag]:
+    """
+    Returns the sequence of tag triples for the running interpreter.
+
+    The order of the sequence corresponds to priority order for the
+    interpreter, from most to least important.
+    """
+
+    interp_name = interpreter_name()
+    if interp_name == "cp":
+        yield from cpython_tags(warn=warn)
+    else:
+        yield from generic_tags()
+
+    if interp_name == "pp":
+        yield from compatible_tags(interpreter="pp3")
+    else:
+        yield from compatible_tags()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/utils.py
new file mode 100644
index 00000000..bab11b80
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/utils.py
@@ -0,0 +1,136 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+from typing import FrozenSet, NewType, Tuple, Union, cast
+
+from .tags import Tag, parse_tag
+from .version import InvalidVersion, Version
+
+BuildTag = Union[Tuple[()], Tuple[int, str]]
+NormalizedName = NewType("NormalizedName", str)
+
+
+class InvalidWheelFilename(ValueError):
+    """
+    An invalid wheel filename was found, users should refer to PEP 427.
+    """
+
+
+class InvalidSdistFilename(ValueError):
+    """
+    An invalid sdist filename was found, users should refer to the packaging user guide.
+    """
+
+
+_canonicalize_regex = re.compile(r"[-_.]+")
+# PEP 427: The build number must start with a digit.
+_build_tag_regex = re.compile(r"(\d+)(.*)")
+
+
+def canonicalize_name(name: str) -> NormalizedName:
+    # This is taken from PEP 503.
+    value = _canonicalize_regex.sub("-", name).lower()
+    return cast(NormalizedName, value)
+
+
+def canonicalize_version(version: Union[Version, str]) -> str:
+    """
+    This is very similar to Version.__str__, but has one subtle difference
+    with the way it handles the release segment.
+    """
+    if isinstance(version, str):
+        try:
+            parsed = Version(version)
+        except InvalidVersion:
+            # Legacy versions cannot be normalized
+            return version
+    else:
+        parsed = version
+
+    parts = []
+
+    # Epoch
+    if parsed.epoch != 0:
+        parts.append(f"{parsed.epoch}!")
+
+    # Release segment
+    # NB: This strips trailing '.0's to normalize
+    parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in parsed.release)))
+
+    # Pre-release
+    if parsed.pre is not None:
+        parts.append("".join(str(x) for x in parsed.pre))
+
+    # Post-release
+    if parsed.post is not None:
+        parts.append(f".post{parsed.post}")
+
+    # Development release
+    if parsed.dev is not None:
+        parts.append(f".dev{parsed.dev}")
+
+    # Local version segment
+    if parsed.local is not None:
+        parts.append(f"+{parsed.local}")
+
+    return "".join(parts)
+
+
+def parse_wheel_filename(
+    filename: str,
+) -> Tuple[NormalizedName, Version, BuildTag, FrozenSet[Tag]]:
+    if not filename.endswith(".whl"):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (extension must be '.whl'): {filename}"
+        )
+
+    filename = filename[:-4]
+    dashes = filename.count("-")
+    if dashes not in (4, 5):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (wrong number of parts): {filename}"
+        )
+
+    parts = filename.split("-", dashes - 2)
+    name_part = parts[0]
+    # See PEP 427 for the rules on escaping the project name
+    if "__" in name_part or re.match(r"^[\w\d._]*$", name_part, re.UNICODE) is None:
+        raise InvalidWheelFilename(f"Invalid project name: {filename}")
+    name = canonicalize_name(name_part)
+    version = Version(parts[1])
+    if dashes == 5:
+        build_part = parts[2]
+        build_match = _build_tag_regex.match(build_part)
+        if build_match is None:
+            raise InvalidWheelFilename(
+                f"Invalid build number: {build_part} in '{filename}'"
+            )
+        build = cast(BuildTag, (int(build_match.group(1)), build_match.group(2)))
+    else:
+        build = ()
+    tags = parse_tag(parts[-1])
+    return (name, version, build, tags)
+
+
+def parse_sdist_filename(filename: str) -> Tuple[NormalizedName, Version]:
+    if filename.endswith(".tar.gz"):
+        file_stem = filename[: -len(".tar.gz")]
+    elif filename.endswith(".zip"):
+        file_stem = filename[: -len(".zip")]
+    else:
+        raise InvalidSdistFilename(
+            f"Invalid sdist filename (extension must be '.tar.gz' or '.zip'):"
+            f" {filename}"
+        )
+
+    # We are requiring a PEP 440 version, which cannot contain dashes,
+    # so we split on the last dash.
+    name_part, sep, version_part = file_stem.rpartition("-")
+    if not sep:
+        raise InvalidSdistFilename(f"Invalid sdist filename: {filename}")
+
+    name = canonicalize_name(name_part)
+    version = Version(version_part)
+    return (name, version)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/version.py
new file mode 100644
index 00000000..de9a09a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/packaging/version.py
@@ -0,0 +1,504 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import collections
+import itertools
+import re
+import warnings
+from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union
+
+from ._structures import Infinity, InfinityType, NegativeInfinity, NegativeInfinityType
+
+__all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"]
+
+InfiniteTypes = Union[InfinityType, NegativeInfinityType]
+PrePostDevType = Union[InfiniteTypes, Tuple[str, int]]
+SubLocalType = Union[InfiniteTypes, int, str]
+LocalType = Union[
+    NegativeInfinityType,
+    Tuple[
+        Union[
+            SubLocalType,
+            Tuple[SubLocalType, str],
+            Tuple[NegativeInfinityType, SubLocalType],
+        ],
+        ...,
+    ],
+]
+CmpKey = Tuple[
+    int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType
+]
+LegacyCmpKey = Tuple[int, Tuple[str, ...]]
+VersionComparisonMethod = Callable[
+    [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool
+]
+
+_Version = collections.namedtuple(
+    "_Version", ["epoch", "release", "dev", "pre", "post", "local"]
+)
+
+
+def parse(version: str) -> Union["LegacyVersion", "Version"]:
+    """
+    Parse the given version string and return either a :class:`Version` object
+    or a :class:`LegacyVersion` object depending on if the given version is
+    a valid PEP 440 version or a legacy version.
+    """
+    try:
+        return Version(version)
+    except InvalidVersion:
+        return LegacyVersion(version)
+
+
+class InvalidVersion(ValueError):
+    """
+    An invalid version was found, users should refer to PEP 440.
+    """
+
+
+class _BaseVersion:
+    _key: Union[CmpKey, LegacyCmpKey]
+
+    def __hash__(self) -> int:
+        return hash(self._key)
+
+    # Please keep the duplicated `isinstance` check
+    # in the six comparisons hereunder
+    # unless you find a way to avoid adding overhead function calls.
+    def __lt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key < other._key
+
+    def __le__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key <= other._key
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key == other._key
+
+    def __ge__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key >= other._key
+
+    def __gt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key > other._key
+
+    def __ne__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key != other._key
+
+
+class LegacyVersion(_BaseVersion):
+    def __init__(self, version: str) -> None:
+        self._version = str(version)
+        self._key = _legacy_cmpkey(self._version)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def __str__(self) -> str:
+        return self._version
+
+    def __repr__(self) -> str:
+        return f"<LegacyVersion('{self}')>"
+
+    @property
+    def public(self) -> str:
+        return self._version
+
+    @property
+    def base_version(self) -> str:
+        return self._version
+
+    @property
+    def epoch(self) -> int:
+        return -1
+
+    @property
+    def release(self) -> None:
+        return None
+
+    @property
+    def pre(self) -> None:
+        return None
+
+    @property
+    def post(self) -> None:
+        return None
+
+    @property
+    def dev(self) -> None:
+        return None
+
+    @property
+    def local(self) -> None:
+        return None
+
+    @property
+    def is_prerelease(self) -> bool:
+        return False
+
+    @property
+    def is_postrelease(self) -> bool:
+        return False
+
+    @property
+    def is_devrelease(self) -> bool:
+        return False
+
+
+_legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE)
+
+_legacy_version_replacement_map = {
+    "pre": "c",
+    "preview": "c",
+    "-": "final-",
+    "rc": "c",
+    "dev": "@",
+}
+
+
+def _parse_version_parts(s: str) -> Iterator[str]:
+    for part in _legacy_version_component_re.split(s):
+        part = _legacy_version_replacement_map.get(part, part)
+
+        if not part or part == ".":
+            continue
+
+        if part[:1] in "0123456789":
+            # pad for numeric comparison
+            yield part.zfill(8)
+        else:
+            yield "*" + part
+
+    # ensure that alpha/beta/candidate are before final
+    yield "*final"
+
+
+def _legacy_cmpkey(version: str) -> LegacyCmpKey:
+
+    # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch
+    # greater than or equal to 0. This will effectively put the LegacyVersion,
+    # which uses the defacto standard originally implemented by setuptools,
+    # as before all PEP 440 versions.
+    epoch = -1
+
+    # This scheme is taken from pkg_resources.parse_version setuptools prior to
+    # it's adoption of the packaging library.
+    parts: List[str] = []
+    for part in _parse_version_parts(version.lower()):
+        if part.startswith("*"):
+            # remove "-" before a prerelease tag
+            if part < "*final":
+                while parts and parts[-1] == "*final-":
+                    parts.pop()
+
+            # remove trailing zeros from each series of numeric parts
+            while parts and parts[-1] == "00000000":
+                parts.pop()
+
+        parts.append(part)
+
+    return epoch, tuple(parts)
+
+
+# Deliberately not anchored to the start and end of the string, to make it
+# easier for 3rd party code to reuse
+VERSION_PATTERN = r"""
+    v?
+    (?:
+        (?:(?P<epoch>[0-9]+)!)?                           # epoch
+        (?P<release>[0-9]+(?:\.[0-9]+)*)                  # release segment
+        (?P<pre>                                          # pre-release
+            [-_\.]?
+            (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview))
+            [-_\.]?
+            (?P<pre_n>[0-9]+)?
+        )?
+        (?P<post>                                         # post release
+            (?:-(?P<post_n1>[0-9]+))
+            |
+            (?:
+                [-_\.]?
+                (?P<post_l>post|rev|r)
+                [-_\.]?
+                (?P<post_n2>[0-9]+)?
+            )
+        )?
+        (?P<dev>                                          # dev release
+            [-_\.]?
+            (?P<dev_l>dev)
+            [-_\.]?
+            (?P<dev_n>[0-9]+)?
+        )?
+    )
+    (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))?       # local version
+"""
+
+
+class Version(_BaseVersion):
+
+    _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    def __init__(self, version: str) -> None:
+
+        # Validate the version and parse it into pieces
+        match = self._regex.search(version)
+        if not match:
+            raise InvalidVersion(f"Invalid version: '{version}'")
+
+        # Store the parsed out pieces of the version
+        self._version = _Version(
+            epoch=int(match.group("epoch")) if match.group("epoch") else 0,
+            release=tuple(int(i) for i in match.group("release").split(".")),
+            pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")),
+            post=_parse_letter_version(
+                match.group("post_l"), match.group("post_n1") or match.group("post_n2")
+            ),
+            dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")),
+            local=_parse_local_version(match.group("local")),
+        )
+
+        # Generate a key which will be used for sorting
+        self._key = _cmpkey(
+            self._version.epoch,
+            self._version.release,
+            self._version.pre,
+            self._version.post,
+            self._version.dev,
+            self._version.local,
+        )
+
+    def __repr__(self) -> str:
+        return f"<Version('{self}')>"
+
+    def __str__(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        # Pre-release
+        if self.pre is not None:
+            parts.append("".join(str(x) for x in self.pre))
+
+        # Post-release
+        if self.post is not None:
+            parts.append(f".post{self.post}")
+
+        # Development release
+        if self.dev is not None:
+            parts.append(f".dev{self.dev}")
+
+        # Local version segment
+        if self.local is not None:
+            parts.append(f"+{self.local}")
+
+        return "".join(parts)
+
+    @property
+    def epoch(self) -> int:
+        _epoch: int = self._version.epoch
+        return _epoch
+
+    @property
+    def release(self) -> Tuple[int, ...]:
+        _release: Tuple[int, ...] = self._version.release
+        return _release
+
+    @property
+    def pre(self) -> Optional[Tuple[str, int]]:
+        _pre: Optional[Tuple[str, int]] = self._version.pre
+        return _pre
+
+    @property
+    def post(self) -> Optional[int]:
+        return self._version.post[1] if self._version.post else None
+
+    @property
+    def dev(self) -> Optional[int]:
+        return self._version.dev[1] if self._version.dev else None
+
+    @property
+    def local(self) -> Optional[str]:
+        if self._version.local:
+            return ".".join(str(x) for x in self._version.local)
+        else:
+            return None
+
+    @property
+    def public(self) -> str:
+        return str(self).split("+", 1)[0]
+
+    @property
+    def base_version(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        return "".join(parts)
+
+    @property
+    def is_prerelease(self) -> bool:
+        return self.dev is not None or self.pre is not None
+
+    @property
+    def is_postrelease(self) -> bool:
+        return self.post is not None
+
+    @property
+    def is_devrelease(self) -> bool:
+        return self.dev is not None
+
+    @property
+    def major(self) -> int:
+        return self.release[0] if len(self.release) >= 1 else 0
+
+    @property
+    def minor(self) -> int:
+        return self.release[1] if len(self.release) >= 2 else 0
+
+    @property
+    def micro(self) -> int:
+        return self.release[2] if len(self.release) >= 3 else 0
+
+
+def _parse_letter_version(
+    letter: str, number: Union[str, bytes, SupportsInt]
+) -> Optional[Tuple[str, int]]:
+
+    if letter:
+        # We consider there to be an implicit 0 in a pre-release if there is
+        # not a numeral associated with it.
+        if number is None:
+            number = 0
+
+        # We normalize any letters to their lower case form
+        letter = letter.lower()
+
+        # We consider some words to be alternate spellings of other words and
+        # in those cases we want to normalize the spellings to our preferred
+        # spelling.
+        if letter == "alpha":
+            letter = "a"
+        elif letter == "beta":
+            letter = "b"
+        elif letter in ["c", "pre", "preview"]:
+            letter = "rc"
+        elif letter in ["rev", "r"]:
+            letter = "post"
+
+        return letter, int(number)
+    if not letter and number:
+        # We assume if we are given a number, but we are not given a letter
+        # then this is using the implicit post release syntax (e.g. 1.0-1)
+        letter = "post"
+
+        return letter, int(number)
+
+    return None
+
+
+_local_version_separators = re.compile(r"[\._-]")
+
+
+def _parse_local_version(local: str) -> Optional[LocalType]:
+    """
+    Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
+    """
+    if local is not None:
+        return tuple(
+            part.lower() if not part.isdigit() else int(part)
+            for part in _local_version_separators.split(local)
+        )
+    return None
+
+
+def _cmpkey(
+    epoch: int,
+    release: Tuple[int, ...],
+    pre: Optional[Tuple[str, int]],
+    post: Optional[Tuple[str, int]],
+    dev: Optional[Tuple[str, int]],
+    local: Optional[Tuple[SubLocalType]],
+) -> CmpKey:
+
+    # When we compare a release version, we want to compare it with all of the
+    # trailing zeros removed. So we'll use a reverse the list, drop all the now
+    # leading zeros until we come to something non zero, then take the rest
+    # re-reverse it back into the correct order and make it a tuple and use
+    # that for our sorting key.
+    _release = tuple(
+        reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
+    )
+
+    # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0.
+    # We'll do this by abusing the pre segment, but we _only_ want to do this
+    # if there is not a pre or a post segment. If we have one of those then
+    # the normal sorting rules will handle this case correctly.
+    if pre is None and post is None and dev is not None:
+        _pre: PrePostDevType = NegativeInfinity
+    # Versions without a pre-release (except as noted above) should sort after
+    # those with one.
+    elif pre is None:
+        _pre = Infinity
+    else:
+        _pre = pre
+
+    # Versions without a post segment should sort before those with one.
+    if post is None:
+        _post: PrePostDevType = NegativeInfinity
+
+    else:
+        _post = post
+
+    # Versions without a development segment should sort after those with one.
+    if dev is None:
+        _dev: PrePostDevType = Infinity
+
+    else:
+        _dev = dev
+
+    if local is None:
+        # Versions without a local segment should sort before those with one.
+        _local: LocalType = NegativeInfinity
+    else:
+        # Versions with a local segment need that segment parsed to implement
+        # the sorting rules in PEP440.
+        # - Alpha numeric segments sort before numeric segments
+        # - Alpha numeric segments sort lexicographically
+        # - Numeric segments sort numerically
+        # - Shorter versions sort before longer versions when the prefixes
+        #   match exactly
+        _local = tuple(
+            (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local
+        )
+
+    return epoch, _release, _pre, _post, _dev, _local
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pkg_resources/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pkg_resources/__init__.py
new file mode 100644
index 00000000..ad279407
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pkg_resources/__init__.py
@@ -0,0 +1,3361 @@
+"""
+Package resource API
+--------------------
+
+A resource is a logical file contained within a package, or a logical
+subdirectory thereof.  The package resource API expects resource names
+to have their path parts separated with ``/``, *not* whatever the local
+path separator is.  Do not use os.path operations to manipulate resource
+names being passed into the API.
+
+The package resource API is designed to work with normal filesystem packages,
+.egg files, and unpacked .egg files.  It can also work in a limited way with
+.zip files and with custom PEP 302 loaders that support the ``get_data()``
+method.
+
+This module is deprecated. Users are directed to :mod:`importlib.resources`,
+:mod:`importlib.metadata` and :pypi:`packaging` instead.
+"""
+
+import sys
+import os
+import io
+import time
+import re
+import types
+import zipfile
+import zipimport
+import warnings
+import stat
+import functools
+import pkgutil
+import operator
+import platform
+import collections
+import plistlib
+import email.parser
+import errno
+import tempfile
+import textwrap
+import inspect
+import ntpath
+import posixpath
+import importlib
+from pkgutil import get_importer
+
+try:
+    import _imp
+except ImportError:
+    # Python 3.2 compatibility
+    import imp as _imp
+
+try:
+    FileExistsError
+except NameError:
+    FileExistsError = OSError
+
+# capture these to bypass sandboxing
+from os import utime
+
+try:
+    from os import mkdir, rename, unlink
+
+    WRITE_SUPPORT = True
+except ImportError:
+    # no write support, probably under GAE
+    WRITE_SUPPORT = False
+
+from os import open as os_open
+from os.path import isdir, split
+
+try:
+    import importlib.machinery as importlib_machinery
+
+    # access attribute to force import under delayed import mechanisms.
+    importlib_machinery.__name__
+except ImportError:
+    importlib_machinery = None
+
+from pip._internal.utils._jaraco_text import (
+    yield_lines,
+    drop_comment,
+    join_continuation,
+)
+
+from pip._vendor import platformdirs
+from pip._vendor import packaging
+
+__import__('pip._vendor.packaging.version')
+__import__('pip._vendor.packaging.specifiers')
+__import__('pip._vendor.packaging.requirements')
+__import__('pip._vendor.packaging.markers')
+__import__('pip._vendor.packaging.utils')
+
+if sys.version_info < (3, 5):
+    raise RuntimeError("Python 3.5 or later is required")
+
+# declare some globals that will be defined later to
+# satisfy the linters.
+require = None
+working_set = None
+add_activation_listener = None
+resources_stream = None
+cleanup_resources = None
+resource_dir = None
+resource_stream = None
+set_extraction_path = None
+resource_isdir = None
+resource_string = None
+iter_entry_points = None
+resource_listdir = None
+resource_filename = None
+resource_exists = None
+_distribution_finders = None
+_namespace_handlers = None
+_namespace_packages = None
+
+
+warnings.warn(
+    "pkg_resources is deprecated as an API. "
+    "See https://setuptools.pypa.io/en/latest/pkg_resources.html",
+    DeprecationWarning,
+    stacklevel=2
+)
+
+
+_PEP440_FALLBACK = re.compile(r"^v?(?P<safe>(?:[0-9]+!)?[0-9]+(?:\.[0-9]+)*)", re.I)
+
+
+class PEP440Warning(RuntimeWarning):
+    """
+    Used when there is an issue with a version or specifier not complying with
+    PEP 440.
+    """
+
+
+parse_version = packaging.version.Version
+
+
+_state_vars = {}
+
+
+def _declare_state(vartype, **kw):
+    globals().update(kw)
+    _state_vars.update(dict.fromkeys(kw, vartype))
+
+
+def __getstate__():
+    state = {}
+    g = globals()
+    for k, v in _state_vars.items():
+        state[k] = g['_sget_' + v](g[k])
+    return state
+
+
+def __setstate__(state):
+    g = globals()
+    for k, v in state.items():
+        g['_sset_' + _state_vars[k]](k, g[k], v)
+    return state
+
+
+def _sget_dict(val):
+    return val.copy()
+
+
+def _sset_dict(key, ob, state):
+    ob.clear()
+    ob.update(state)
+
+
+def _sget_object(val):
+    return val.__getstate__()
+
+
+def _sset_object(key, ob, state):
+    ob.__setstate__(state)
+
+
+_sget_none = _sset_none = lambda *args: None
+
+
+def get_supported_platform():
+    """Return this platform's maximum compatible version.
+
+    distutils.util.get_platform() normally reports the minimum version
+    of macOS that would be required to *use* extensions produced by
+    distutils.  But what we want when checking compatibility is to know the
+    version of macOS that we are *running*.  To allow usage of packages that
+    explicitly require a newer version of macOS, we must also know the
+    current version of the OS.
+
+    If this condition occurs for any other platform with a version in its
+    platform strings, this function should be extended accordingly.
+    """
+    plat = get_build_platform()
+    m = macosVersionString.match(plat)
+    if m is not None and sys.platform == "darwin":
+        try:
+            plat = 'macosx-%s-%s' % ('.'.join(_macos_vers()[:2]), m.group(3))
+        except ValueError:
+            # not macOS
+            pass
+    return plat
+
+
+__all__ = [
+    # Basic resource access and distribution/entry point discovery
+    'require',
+    'run_script',
+    'get_provider',
+    'get_distribution',
+    'load_entry_point',
+    'get_entry_map',
+    'get_entry_info',
+    'iter_entry_points',
+    'resource_string',
+    'resource_stream',
+    'resource_filename',
+    'resource_listdir',
+    'resource_exists',
+    'resource_isdir',
+    # Environmental control
+    'declare_namespace',
+    'working_set',
+    'add_activation_listener',
+    'find_distributions',
+    'set_extraction_path',
+    'cleanup_resources',
+    'get_default_cache',
+    # Primary implementation classes
+    'Environment',
+    'WorkingSet',
+    'ResourceManager',
+    'Distribution',
+    'Requirement',
+    'EntryPoint',
+    # Exceptions
+    'ResolutionError',
+    'VersionConflict',
+    'DistributionNotFound',
+    'UnknownExtra',
+    'ExtractionError',
+    # Warnings
+    'PEP440Warning',
+    # Parsing functions and string utilities
+    'parse_requirements',
+    'parse_version',
+    'safe_name',
+    'safe_version',
+    'get_platform',
+    'compatible_platforms',
+    'yield_lines',
+    'split_sections',
+    'safe_extra',
+    'to_filename',
+    'invalid_marker',
+    'evaluate_marker',
+    # filesystem utilities
+    'ensure_directory',
+    'normalize_path',
+    # Distribution "precedence" constants
+    'EGG_DIST',
+    'BINARY_DIST',
+    'SOURCE_DIST',
+    'CHECKOUT_DIST',
+    'DEVELOP_DIST',
+    # "Provider" interfaces, implementations, and registration/lookup APIs
+    'IMetadataProvider',
+    'IResourceProvider',
+    'FileMetadata',
+    'PathMetadata',
+    'EggMetadata',
+    'EmptyProvider',
+    'empty_provider',
+    'NullProvider',
+    'EggProvider',
+    'DefaultProvider',
+    'ZipProvider',
+    'register_finder',
+    'register_namespace_handler',
+    'register_loader_type',
+    'fixup_namespace_packages',
+    'get_importer',
+    # Warnings
+    'PkgResourcesDeprecationWarning',
+    # Deprecated/backward compatibility only
+    'run_main',
+    'AvailableDistributions',
+]
+
+
+class ResolutionError(Exception):
+    """Abstract base for dependency resolution errors"""
+
+    def __repr__(self):
+        return self.__class__.__name__ + repr(self.args)
+
+
+class VersionConflict(ResolutionError):
+    """
+    An already-installed version conflicts with the requested version.
+
+    Should be initialized with the installed Distribution and the requested
+    Requirement.
+    """
+
+    _template = "{self.dist} is installed but {self.req} is required"
+
+    @property
+    def dist(self):
+        return self.args[0]
+
+    @property
+    def req(self):
+        return self.args[1]
+
+    def report(self):
+        return self._template.format(**locals())
+
+    def with_context(self, required_by):
+        """
+        If required_by is non-empty, return a version of self that is a
+        ContextualVersionConflict.
+        """
+        if not required_by:
+            return self
+        args = self.args + (required_by,)
+        return ContextualVersionConflict(*args)
+
+
+class ContextualVersionConflict(VersionConflict):
+    """
+    A VersionConflict that accepts a third parameter, the set of the
+    requirements that required the installed Distribution.
+    """
+
+    _template = VersionConflict._template + ' by {self.required_by}'
+
+    @property
+    def required_by(self):
+        return self.args[2]
+
+
+class DistributionNotFound(ResolutionError):
+    """A requested distribution was not found"""
+
+    _template = (
+        "The '{self.req}' distribution was not found "
+        "and is required by {self.requirers_str}"
+    )
+
+    @property
+    def req(self):
+        return self.args[0]
+
+    @property
+    def requirers(self):
+        return self.args[1]
+
+    @property
+    def requirers_str(self):
+        if not self.requirers:
+            return 'the application'
+        return ', '.join(self.requirers)
+
+    def report(self):
+        return self._template.format(**locals())
+
+    def __str__(self):
+        return self.report()
+
+
+class UnknownExtra(ResolutionError):
+    """Distribution doesn't have an "extra feature" of the given name"""
+
+
+_provider_factories = {}
+
+PY_MAJOR = '{}.{}'.format(*sys.version_info)
+EGG_DIST = 3
+BINARY_DIST = 2
+SOURCE_DIST = 1
+CHECKOUT_DIST = 0
+DEVELOP_DIST = -1
+
+
+def register_loader_type(loader_type, provider_factory):
+    """Register `provider_factory` to make providers for `loader_type`
+
+    `loader_type` is the type or class of a PEP 302 ``module.__loader__``,
+    and `provider_factory` is a function that, passed a *module* object,
+    returns an ``IResourceProvider`` for that module.
+    """
+    _provider_factories[loader_type] = provider_factory
+
+
+def get_provider(moduleOrReq):
+    """Return an IResourceProvider for the named module or requirement"""
+    if isinstance(moduleOrReq, Requirement):
+        return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
+    try:
+        module = sys.modules[moduleOrReq]
+    except KeyError:
+        __import__(moduleOrReq)
+        module = sys.modules[moduleOrReq]
+    loader = getattr(module, '__loader__', None)
+    return _find_adapter(_provider_factories, loader)(module)
+
+
+def _macos_vers(_cache=[]):
+    if not _cache:
+        version = platform.mac_ver()[0]
+        # fallback for MacPorts
+        if version == '':
+            plist = '/System/Library/CoreServices/SystemVersion.plist'
+            if os.path.exists(plist):
+                if hasattr(plistlib, 'readPlist'):
+                    plist_content = plistlib.readPlist(plist)
+                    if 'ProductVersion' in plist_content:
+                        version = plist_content['ProductVersion']
+
+        _cache.append(version.split('.'))
+    return _cache[0]
+
+
+def _macos_arch(machine):
+    return {'PowerPC': 'ppc', 'Power_Macintosh': 'ppc'}.get(machine, machine)
+
+
+def get_build_platform():
+    """Return this platform's string for platform-specific distributions
+
+    XXX Currently this is the same as ``distutils.util.get_platform()``, but it
+    needs some hacks for Linux and macOS.
+    """
+    from sysconfig import get_platform
+
+    plat = get_platform()
+    if sys.platform == "darwin" and not plat.startswith('macosx-'):
+        try:
+            version = _macos_vers()
+            machine = os.uname()[4].replace(" ", "_")
+            return "macosx-%d.%d-%s" % (
+                int(version[0]),
+                int(version[1]),
+                _macos_arch(machine),
+            )
+        except ValueError:
+            # if someone is running a non-Mac darwin system, this will fall
+            # through to the default implementation
+            pass
+    return plat
+
+
+macosVersionString = re.compile(r"macosx-(\d+)\.(\d+)-(.*)")
+darwinVersionString = re.compile(r"darwin-(\d+)\.(\d+)\.(\d+)-(.*)")
+# XXX backward compat
+get_platform = get_build_platform
+
+
+def compatible_platforms(provided, required):
+    """Can code for the `provided` platform run on the `required` platform?
+
+    Returns true if either platform is ``None``, or the platforms are equal.
+
+    XXX Needs compatibility checks for Linux and other unixy OSes.
+    """
+    if provided is None or required is None or provided == required:
+        # easy case
+        return True
+
+    # macOS special cases
+    reqMac = macosVersionString.match(required)
+    if reqMac:
+        provMac = macosVersionString.match(provided)
+
+        # is this a Mac package?
+        if not provMac:
+            # this is backwards compatibility for packages built before
+            # setuptools 0.6. All packages built after this point will
+            # use the new macOS designation.
+            provDarwin = darwinVersionString.match(provided)
+            if provDarwin:
+                dversion = int(provDarwin.group(1))
+                macosversion = "%s.%s" % (reqMac.group(1), reqMac.group(2))
+                if (
+                    dversion == 7
+                    and macosversion >= "10.3"
+                    or dversion == 8
+                    and macosversion >= "10.4"
+                ):
+                    return True
+            # egg isn't macOS or legacy darwin
+            return False
+
+        # are they the same major version and machine type?
+        if provMac.group(1) != reqMac.group(1) or provMac.group(3) != reqMac.group(3):
+            return False
+
+        # is the required OS major update >= the provided one?
+        if int(provMac.group(2)) > int(reqMac.group(2)):
+            return False
+
+        return True
+
+    # XXX Linux and other platforms' special cases should go here
+    return False
+
+
+def run_script(dist_spec, script_name):
+    """Locate distribution `dist_spec` and run its `script_name` script"""
+    ns = sys._getframe(1).f_globals
+    name = ns['__name__']
+    ns.clear()
+    ns['__name__'] = name
+    require(dist_spec)[0].run_script(script_name, ns)
+
+
+# backward compatibility
+run_main = run_script
+
+
+def get_distribution(dist):
+    """Return a current distribution object for a Requirement or string"""
+    if isinstance(dist, str):
+        dist = Requirement.parse(dist)
+    if isinstance(dist, Requirement):
+        dist = get_provider(dist)
+    if not isinstance(dist, Distribution):
+        raise TypeError("Expected string, Requirement, or Distribution", dist)
+    return dist
+
+
+def load_entry_point(dist, group, name):
+    """Return `name` entry point of `group` for `dist` or raise ImportError"""
+    return get_distribution(dist).load_entry_point(group, name)
+
+
+def get_entry_map(dist, group=None):
+    """Return the entry point map for `group`, or the full entry map"""
+    return get_distribution(dist).get_entry_map(group)
+
+
+def get_entry_info(dist, group, name):
+    """Return the EntryPoint object for `group`+`name`, or ``None``"""
+    return get_distribution(dist).get_entry_info(group, name)
+
+
+class IMetadataProvider:
+    def has_metadata(name):
+        """Does the package's distribution contain the named metadata?"""
+
+    def get_metadata(name):
+        """The named metadata resource as a string"""
+
+    def get_metadata_lines(name):
+        """Yield named metadata resource as list of non-blank non-comment lines
+
+        Leading and trailing whitespace is stripped from each line, and lines
+        with ``#`` as the first non-blank character are omitted."""
+
+    def metadata_isdir(name):
+        """Is the named metadata a directory?  (like ``os.path.isdir()``)"""
+
+    def metadata_listdir(name):
+        """List of metadata names in the directory (like ``os.listdir()``)"""
+
+    def run_script(script_name, namespace):
+        """Execute the named script in the supplied namespace dictionary"""
+
+
+class IResourceProvider(IMetadataProvider):
+    """An object that provides access to package resources"""
+
+    def get_resource_filename(manager, resource_name):
+        """Return a true filesystem path for `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def get_resource_stream(manager, resource_name):
+        """Return a readable file-like object for `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def get_resource_string(manager, resource_name):
+        """Return a string containing the contents of `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def has_resource(resource_name):
+        """Does the package contain the named resource?"""
+
+    def resource_isdir(resource_name):
+        """Is the named resource a directory?  (like ``os.path.isdir()``)"""
+
+    def resource_listdir(resource_name):
+        """List of resource names in the directory (like ``os.listdir()``)"""
+
+
+class WorkingSet:
+    """A collection of active distributions on sys.path (or a similar list)"""
+
+    def __init__(self, entries=None):
+        """Create working set from list of path entries (default=sys.path)"""
+        self.entries = []
+        self.entry_keys = {}
+        self.by_key = {}
+        self.normalized_to_canonical_keys = {}
+        self.callbacks = []
+
+        if entries is None:
+            entries = sys.path
+
+        for entry in entries:
+            self.add_entry(entry)
+
+    @classmethod
+    def _build_master(cls):
+        """
+        Prepare the master working set.
+        """
+        ws = cls()
+        try:
+            from __main__ import __requires__
+        except ImportError:
+            # The main program does not list any requirements
+            return ws
+
+        # ensure the requirements are met
+        try:
+            ws.require(__requires__)
+        except VersionConflict:
+            return cls._build_from_requirements(__requires__)
+
+        return ws
+
+    @classmethod
+    def _build_from_requirements(cls, req_spec):
+        """
+        Build a working set from a requirement spec. Rewrites sys.path.
+        """
+        # try it without defaults already on sys.path
+        # by starting with an empty path
+        ws = cls([])
+        reqs = parse_requirements(req_spec)
+        dists = ws.resolve(reqs, Environment())
+        for dist in dists:
+            ws.add(dist)
+
+        # add any missing entries from sys.path
+        for entry in sys.path:
+            if entry not in ws.entries:
+                ws.add_entry(entry)
+
+        # then copy back to sys.path
+        sys.path[:] = ws.entries
+        return ws
+
+    def add_entry(self, entry):
+        """Add a path item to ``.entries``, finding any distributions on it
+
+        ``find_distributions(entry, True)`` is used to find distributions
+        corresponding to the path entry, and they are added.  `entry` is
+        always appended to ``.entries``, even if it is already present.
+        (This is because ``sys.path`` can contain the same value more than
+        once, and the ``.entries`` of the ``sys.path`` WorkingSet should always
+        equal ``sys.path``.)
+        """
+        self.entry_keys.setdefault(entry, [])
+        self.entries.append(entry)
+        for dist in find_distributions(entry, True):
+            self.add(dist, entry, False)
+
+    def __contains__(self, dist):
+        """True if `dist` is the active distribution for its project"""
+        return self.by_key.get(dist.key) == dist
+
+    def find(self, req):
+        """Find a distribution matching requirement `req`
+
+        If there is an active distribution for the requested project, this
+        returns it as long as it meets the version requirement specified by
+        `req`.  But, if there is an active distribution for the project and it
+        does *not* meet the `req` requirement, ``VersionConflict`` is raised.
+        If there is no active distribution for the requested project, ``None``
+        is returned.
+        """
+        dist = self.by_key.get(req.key)
+
+        if dist is None:
+            canonical_key = self.normalized_to_canonical_keys.get(req.key)
+
+            if canonical_key is not None:
+                req.key = canonical_key
+                dist = self.by_key.get(canonical_key)
+
+        if dist is not None and dist not in req:
+            # XXX add more info
+            raise VersionConflict(dist, req)
+        return dist
+
+    def iter_entry_points(self, group, name=None):
+        """Yield entry point objects from `group` matching `name`
+
+        If `name` is None, yields all entry points in `group` from all
+        distributions in the working set, otherwise only ones matching
+        both `group` and `name` are yielded (in distribution order).
+        """
+        return (
+            entry
+            for dist in self
+            for entry in dist.get_entry_map(group).values()
+            if name is None or name == entry.name
+        )
+
+    def run_script(self, requires, script_name):
+        """Locate distribution for `requires` and run `script_name` script"""
+        ns = sys._getframe(1).f_globals
+        name = ns['__name__']
+        ns.clear()
+        ns['__name__'] = name
+        self.require(requires)[0].run_script(script_name, ns)
+
+    def __iter__(self):
+        """Yield distributions for non-duplicate projects in the working set
+
+        The yield order is the order in which the items' path entries were
+        added to the working set.
+        """
+        seen = {}
+        for item in self.entries:
+            if item not in self.entry_keys:
+                # workaround a cache issue
+                continue
+
+            for key in self.entry_keys[item]:
+                if key not in seen:
+                    seen[key] = 1
+                    yield self.by_key[key]
+
+    def add(self, dist, entry=None, insert=True, replace=False):
+        """Add `dist` to working set, associated with `entry`
+
+        If `entry` is unspecified, it defaults to the ``.location`` of `dist`.
+        On exit from this routine, `entry` is added to the end of the working
+        set's ``.entries`` (if it wasn't already present).
+
+        `dist` is only added to the working set if it's for a project that
+        doesn't already have a distribution in the set, unless `replace=True`.
+        If it's added, any callbacks registered with the ``subscribe()`` method
+        will be called.
+        """
+        if insert:
+            dist.insert_on(self.entries, entry, replace=replace)
+
+        if entry is None:
+            entry = dist.location
+        keys = self.entry_keys.setdefault(entry, [])
+        keys2 = self.entry_keys.setdefault(dist.location, [])
+        if not replace and dist.key in self.by_key:
+            # ignore hidden distros
+            return
+
+        self.by_key[dist.key] = dist
+        normalized_name = packaging.utils.canonicalize_name(dist.key)
+        self.normalized_to_canonical_keys[normalized_name] = dist.key
+        if dist.key not in keys:
+            keys.append(dist.key)
+        if dist.key not in keys2:
+            keys2.append(dist.key)
+        self._added_new(dist)
+
+    def resolve(
+        self,
+        requirements,
+        env=None,
+        installer=None,
+        replace_conflicting=False,
+        extras=None,
+    ):
+        """List all distributions needed to (recursively) meet `requirements`
+
+        `requirements` must be a sequence of ``Requirement`` objects.  `env`,
+        if supplied, should be an ``Environment`` instance.  If
+        not supplied, it defaults to all distributions available within any
+        entry or distribution in the working set.  `installer`, if supplied,
+        will be invoked with each requirement that cannot be met by an
+        already-installed distribution; it should return a ``Distribution`` or
+        ``None``.
+
+        Unless `replace_conflicting=True`, raises a VersionConflict exception
+        if
+        any requirements are found on the path that have the correct name but
+        the wrong version.  Otherwise, if an `installer` is supplied it will be
+        invoked to obtain the correct version of the requirement and activate
+        it.
+
+        `extras` is a list of the extras to be used with these requirements.
+        This is important because extra requirements may look like `my_req;
+        extra = "my_extra"`, which would otherwise be interpreted as a purely
+        optional requirement.  Instead, we want to be able to assert that these
+        requirements are truly required.
+        """
+
+        # set up the stack
+        requirements = list(requirements)[::-1]
+        # set of processed requirements
+        processed = {}
+        # key -> dist
+        best = {}
+        to_activate = []
+
+        req_extras = _ReqExtras()
+
+        # Mapping of requirement to set of distributions that required it;
+        # useful for reporting info about conflicts.
+        required_by = collections.defaultdict(set)
+
+        while requirements:
+            # process dependencies breadth-first
+            req = requirements.pop(0)
+            if req in processed:
+                # Ignore cyclic or redundant dependencies
+                continue
+
+            if not req_extras.markers_pass(req, extras):
+                continue
+
+            dist = self._resolve_dist(
+                req, best, replace_conflicting, env, installer, required_by, to_activate
+            )
+
+            # push the new requirements onto the stack
+            new_requirements = dist.requires(req.extras)[::-1]
+            requirements.extend(new_requirements)
+
+            # Register the new requirements needed by req
+            for new_requirement in new_requirements:
+                required_by[new_requirement].add(req.project_name)
+                req_extras[new_requirement] = req.extras
+
+            processed[req] = True
+
+        # return list of distros to activate
+        return to_activate
+
+    def _resolve_dist(
+        self, req, best, replace_conflicting, env, installer, required_by, to_activate
+    ):
+        dist = best.get(req.key)
+        if dist is None:
+            # Find the best distribution and add it to the map
+            dist = self.by_key.get(req.key)
+            if dist is None or (dist not in req and replace_conflicting):
+                ws = self
+                if env is None:
+                    if dist is None:
+                        env = Environment(self.entries)
+                    else:
+                        # Use an empty environment and workingset to avoid
+                        # any further conflicts with the conflicting
+                        # distribution
+                        env = Environment([])
+                        ws = WorkingSet([])
+                dist = best[req.key] = env.best_match(
+                    req, ws, installer, replace_conflicting=replace_conflicting
+                )
+                if dist is None:
+                    requirers = required_by.get(req, None)
+                    raise DistributionNotFound(req, requirers)
+            to_activate.append(dist)
+        if dist not in req:
+            # Oops, the "best" so far conflicts with a dependency
+            dependent_req = required_by[req]
+            raise VersionConflict(dist, req).with_context(dependent_req)
+        return dist
+
+    def find_plugins(self, plugin_env, full_env=None, installer=None, fallback=True):
+        """Find all activatable distributions in `plugin_env`
+
+        Example usage::
+
+            distributions, errors = working_set.find_plugins(
+                Environment(plugin_dirlist)
+            )
+            # add plugins+libs to sys.path
+            map(working_set.add, distributions)
+            # display errors
+            print('Could not load', errors)
+
+        The `plugin_env` should be an ``Environment`` instance that contains
+        only distributions that are in the project's "plugin directory" or
+        directories. The `full_env`, if supplied, should be an ``Environment``
+        contains all currently-available distributions.  If `full_env` is not
+        supplied, one is created automatically from the ``WorkingSet`` this
+        method is called on, which will typically mean that every directory on
+        ``sys.path`` will be scanned for distributions.
+
+        `installer` is a standard installer callback as used by the
+        ``resolve()`` method. The `fallback` flag indicates whether we should
+        attempt to resolve older versions of a plugin if the newest version
+        cannot be resolved.
+
+        This method returns a 2-tuple: (`distributions`, `error_info`), where
+        `distributions` is a list of the distributions found in `plugin_env`
+        that were loadable, along with any other distributions that are needed
+        to resolve their dependencies.  `error_info` is a dictionary mapping
+        unloadable plugin distributions to an exception instance describing the
+        error that occurred. Usually this will be a ``DistributionNotFound`` or
+        ``VersionConflict`` instance.
+        """
+
+        plugin_projects = list(plugin_env)
+        # scan project names in alphabetic order
+        plugin_projects.sort()
+
+        error_info = {}
+        distributions = {}
+
+        if full_env is None:
+            env = Environment(self.entries)
+            env += plugin_env
+        else:
+            env = full_env + plugin_env
+
+        shadow_set = self.__class__([])
+        # put all our entries in shadow_set
+        list(map(shadow_set.add, self))
+
+        for project_name in plugin_projects:
+            for dist in plugin_env[project_name]:
+                req = [dist.as_requirement()]
+
+                try:
+                    resolvees = shadow_set.resolve(req, env, installer)
+
+                except ResolutionError as v:
+                    # save error info
+                    error_info[dist] = v
+                    if fallback:
+                        # try the next older version of project
+                        continue
+                    else:
+                        # give up on this project, keep going
+                        break
+
+                else:
+                    list(map(shadow_set.add, resolvees))
+                    distributions.update(dict.fromkeys(resolvees))
+
+                    # success, no need to try any more versions of this project
+                    break
+
+        distributions = list(distributions)
+        distributions.sort()
+
+        return distributions, error_info
+
+    def require(self, *requirements):
+        """Ensure that distributions matching `requirements` are activated
+
+        `requirements` must be a string or a (possibly-nested) sequence
+        thereof, specifying the distributions and versions required.  The
+        return value is a sequence of the distributions that needed to be
+        activated to fulfill the requirements; all relevant distributions are
+        included, even if they were already activated in this working set.
+        """
+        needed = self.resolve(parse_requirements(requirements))
+
+        for dist in needed:
+            self.add(dist)
+
+        return needed
+
+    def subscribe(self, callback, existing=True):
+        """Invoke `callback` for all distributions
+
+        If `existing=True` (default),
+        call on all existing ones, as well.
+        """
+        if callback in self.callbacks:
+            return
+        self.callbacks.append(callback)
+        if not existing:
+            return
+        for dist in self:
+            callback(dist)
+
+    def _added_new(self, dist):
+        for callback in self.callbacks:
+            callback(dist)
+
+    def __getstate__(self):
+        return (
+            self.entries[:],
+            self.entry_keys.copy(),
+            self.by_key.copy(),
+            self.normalized_to_canonical_keys.copy(),
+            self.callbacks[:],
+        )
+
+    def __setstate__(self, e_k_b_n_c):
+        entries, keys, by_key, normalized_to_canonical_keys, callbacks = e_k_b_n_c
+        self.entries = entries[:]
+        self.entry_keys = keys.copy()
+        self.by_key = by_key.copy()
+        self.normalized_to_canonical_keys = normalized_to_canonical_keys.copy()
+        self.callbacks = callbacks[:]
+
+
+class _ReqExtras(dict):
+    """
+    Map each requirement to the extras that demanded it.
+    """
+
+    def markers_pass(self, req, extras=None):
+        """
+        Evaluate markers for req against each extra that
+        demanded it.
+
+        Return False if the req has a marker and fails
+        evaluation. Otherwise, return True.
+        """
+        extra_evals = (
+            req.marker.evaluate({'extra': extra})
+            for extra in self.get(req, ()) + (extras or (None,))
+        )
+        return not req.marker or any(extra_evals)
+
+
+class Environment:
+    """Searchable snapshot of distributions on a search path"""
+
+    def __init__(
+        self, search_path=None, platform=get_supported_platform(), python=PY_MAJOR
+    ):
+        """Snapshot distributions available on a search path
+
+        Any distributions found on `search_path` are added to the environment.
+        `search_path` should be a sequence of ``sys.path`` items.  If not
+        supplied, ``sys.path`` is used.
+
+        `platform` is an optional string specifying the name of the platform
+        that platform-specific distributions must be compatible with.  If
+        unspecified, it defaults to the current platform.  `python` is an
+        optional string naming the desired version of Python (e.g. ``'3.6'``);
+        it defaults to the current version.
+
+        You may explicitly set `platform` (and/or `python`) to ``None`` if you
+        wish to map *all* distributions, not just those compatible with the
+        running platform or Python version.
+        """
+        self._distmap = {}
+        self.platform = platform
+        self.python = python
+        self.scan(search_path)
+
+    def can_add(self, dist):
+        """Is distribution `dist` acceptable for this environment?
+
+        The distribution must match the platform and python version
+        requirements specified when this environment was created, or False
+        is returned.
+        """
+        py_compat = (
+            self.python is None
+            or dist.py_version is None
+            or dist.py_version == self.python
+        )
+        return py_compat and compatible_platforms(dist.platform, self.platform)
+
+    def remove(self, dist):
+        """Remove `dist` from the environment"""
+        self._distmap[dist.key].remove(dist)
+
+    def scan(self, search_path=None):
+        """Scan `search_path` for distributions usable in this environment
+
+        Any distributions found are added to the environment.
+        `search_path` should be a sequence of ``sys.path`` items.  If not
+        supplied, ``sys.path`` is used.  Only distributions conforming to
+        the platform/python version defined at initialization are added.
+        """
+        if search_path is None:
+            search_path = sys.path
+
+        for item in search_path:
+            for dist in find_distributions(item):
+                self.add(dist)
+
+    def __getitem__(self, project_name):
+        """Return a newest-to-oldest list of distributions for `project_name`
+
+        Uses case-insensitive `project_name` comparison, assuming all the
+        project's distributions use their project's name converted to all
+        lowercase as their key.
+
+        """
+        distribution_key = project_name.lower()
+        return self._distmap.get(distribution_key, [])
+
+    def add(self, dist):
+        """Add `dist` if we ``can_add()`` it and it has not already been added"""
+        if self.can_add(dist) and dist.has_version():
+            dists = self._distmap.setdefault(dist.key, [])
+            if dist not in dists:
+                dists.append(dist)
+                dists.sort(key=operator.attrgetter('hashcmp'), reverse=True)
+
+    def best_match(self, req, working_set, installer=None, replace_conflicting=False):
+        """Find distribution best matching `req` and usable on `working_set`
+
+        This calls the ``find(req)`` method of the `working_set` to see if a
+        suitable distribution is already active.  (This may raise
+        ``VersionConflict`` if an unsuitable version of the project is already
+        active in the specified `working_set`.)  If a suitable distribution
+        isn't active, this method returns the newest distribution in the
+        environment that meets the ``Requirement`` in `req`.  If no suitable
+        distribution is found, and `installer` is supplied, then the result of
+        calling the environment's ``obtain(req, installer)`` method will be
+        returned.
+        """
+        try:
+            dist = working_set.find(req)
+        except VersionConflict:
+            if not replace_conflicting:
+                raise
+            dist = None
+        if dist is not None:
+            return dist
+        for dist in self[req.key]:
+            if dist in req:
+                return dist
+        # try to download/install
+        return self.obtain(req, installer)
+
+    def obtain(self, requirement, installer=None):
+        """Obtain a distribution matching `requirement` (e.g. via download)
+
+        Obtain a distro that matches requirement (e.g. via download).  In the
+        base ``Environment`` class, this routine just returns
+        ``installer(requirement)``, unless `installer` is None, in which case
+        None is returned instead.  This method is a hook that allows subclasses
+        to attempt other ways of obtaining a distribution before falling back
+        to the `installer` argument."""
+        if installer is not None:
+            return installer(requirement)
+
+    def __iter__(self):
+        """Yield the unique project names of the available distributions"""
+        for key in self._distmap.keys():
+            if self[key]:
+                yield key
+
+    def __iadd__(self, other):
+        """In-place addition of a distribution or environment"""
+        if isinstance(other, Distribution):
+            self.add(other)
+        elif isinstance(other, Environment):
+            for project in other:
+                for dist in other[project]:
+                    self.add(dist)
+        else:
+            raise TypeError("Can't add %r to environment" % (other,))
+        return self
+
+    def __add__(self, other):
+        """Add an environment or distribution to an environment"""
+        new = self.__class__([], platform=None, python=None)
+        for env in self, other:
+            new += env
+        return new
+
+
+# XXX backward compatibility
+AvailableDistributions = Environment
+
+
+class ExtractionError(RuntimeError):
+    """An error occurred extracting a resource
+
+    The following attributes are available from instances of this exception:
+
+    manager
+        The resource manager that raised this exception
+
+    cache_path
+        The base directory for resource extraction
+
+    original_error
+        The exception instance that caused extraction to fail
+    """
+
+
+class ResourceManager:
+    """Manage resource extraction and packages"""
+
+    extraction_path = None
+
+    def __init__(self):
+        self.cached_files = {}
+
+    def resource_exists(self, package_or_requirement, resource_name):
+        """Does the named resource exist?"""
+        return get_provider(package_or_requirement).has_resource(resource_name)
+
+    def resource_isdir(self, package_or_requirement, resource_name):
+        """Is the named resource an existing directory?"""
+        return get_provider(package_or_requirement).resource_isdir(resource_name)
+
+    def resource_filename(self, package_or_requirement, resource_name):
+        """Return a true filesystem path for specified resource"""
+        return get_provider(package_or_requirement).get_resource_filename(
+            self, resource_name
+        )
+
+    def resource_stream(self, package_or_requirement, resource_name):
+        """Return a readable file-like object for specified resource"""
+        return get_provider(package_or_requirement).get_resource_stream(
+            self, resource_name
+        )
+
+    def resource_string(self, package_or_requirement, resource_name):
+        """Return specified resource as a string"""
+        return get_provider(package_or_requirement).get_resource_string(
+            self, resource_name
+        )
+
+    def resource_listdir(self, package_or_requirement, resource_name):
+        """List the contents of the named resource directory"""
+        return get_provider(package_or_requirement).resource_listdir(resource_name)
+
+    def extraction_error(self):
+        """Give an error message for problems extracting file(s)"""
+
+        old_exc = sys.exc_info()[1]
+        cache_path = self.extraction_path or get_default_cache()
+
+        tmpl = textwrap.dedent(
+            """
+            Can't extract file(s) to egg cache
+
+            The following error occurred while trying to extract file(s)
+            to the Python egg cache:
+
+              {old_exc}
+
+            The Python egg cache directory is currently set to:
+
+              {cache_path}
+
+            Perhaps your account does not have write access to this directory?
+            You can change the cache directory by setting the PYTHON_EGG_CACHE
+            environment variable to point to an accessible directory.
+            """
+        ).lstrip()
+        err = ExtractionError(tmpl.format(**locals()))
+        err.manager = self
+        err.cache_path = cache_path
+        err.original_error = old_exc
+        raise err
+
+    def get_cache_path(self, archive_name, names=()):
+        """Return absolute location in cache for `archive_name` and `names`
+
+        The parent directory of the resulting path will be created if it does
+        not already exist.  `archive_name` should be the base filename of the
+        enclosing egg (which may not be the name of the enclosing zipfile!),
+        including its ".egg" extension.  `names`, if provided, should be a
+        sequence of path name parts "under" the egg's extraction location.
+
+        This method should only be called by resource providers that need to
+        obtain an extraction location, and only for names they intend to
+        extract, as it tracks the generated names for possible cleanup later.
+        """
+        extract_path = self.extraction_path or get_default_cache()
+        target_path = os.path.join(extract_path, archive_name + '-tmp', *names)
+        try:
+            _bypass_ensure_directory(target_path)
+        except Exception:
+            self.extraction_error()
+
+        self._warn_unsafe_extraction_path(extract_path)
+
+        self.cached_files[target_path] = 1
+        return target_path
+
+    @staticmethod
+    def _warn_unsafe_extraction_path(path):
+        """
+        If the default extraction path is overridden and set to an insecure
+        location, such as /tmp, it opens up an opportunity for an attacker to
+        replace an extracted file with an unauthorized payload. Warn the user
+        if a known insecure location is used.
+
+        See Distribute #375 for more details.
+        """
+        if os.name == 'nt' and not path.startswith(os.environ['windir']):
+            # On Windows, permissions are generally restrictive by default
+            #  and temp directories are not writable by other users, so
+            #  bypass the warning.
+            return
+        mode = os.stat(path).st_mode
+        if mode & stat.S_IWOTH or mode & stat.S_IWGRP:
+            msg = (
+                "Extraction path is writable by group/others "
+                "and vulnerable to attack when "
+                "used with get_resource_filename ({path}). "
+                "Consider a more secure "
+                "location (set with .set_extraction_path or the "
+                "PYTHON_EGG_CACHE environment variable)."
+            ).format(**locals())
+            warnings.warn(msg, UserWarning)
+
+    def postprocess(self, tempname, filename):
+        """Perform any platform-specific postprocessing of `tempname`
+
+        This is where Mac header rewrites should be done; other platforms don't
+        have anything special they should do.
+
+        Resource providers should call this method ONLY after successfully
+        extracting a compressed resource.  They must NOT call it on resources
+        that are already in the filesystem.
+
+        `tempname` is the current (temporary) name of the file, and `filename`
+        is the name it will be renamed to by the caller after this routine
+        returns.
+        """
+
+        if os.name == 'posix':
+            # Make the resource executable
+            mode = ((os.stat(tempname).st_mode) | 0o555) & 0o7777
+            os.chmod(tempname, mode)
+
+    def set_extraction_path(self, path):
+        """Set the base path where resources will be extracted to, if needed.
+
+        If you do not call this routine before any extractions take place, the
+        path defaults to the return value of ``get_default_cache()``.  (Which
+        is based on the ``PYTHON_EGG_CACHE`` environment variable, with various
+        platform-specific fallbacks.  See that routine's documentation for more
+        details.)
+
+        Resources are extracted to subdirectories of this path based upon
+        information given by the ``IResourceProvider``.  You may set this to a
+        temporary directory, but then you must call ``cleanup_resources()`` to
+        delete the extracted files when done.  There is no guarantee that
+        ``cleanup_resources()`` will be able to remove all extracted files.
+
+        (Note: you may not change the extraction path for a given resource
+        manager once resources have been extracted, unless you first call
+        ``cleanup_resources()``.)
+        """
+        if self.cached_files:
+            raise ValueError("Can't change extraction path, files already extracted")
+
+        self.extraction_path = path
+
+    def cleanup_resources(self, force=False):
+        """
+        Delete all extracted resource files and directories, returning a list
+        of the file and directory names that could not be successfully removed.
+        This function does not have any concurrency protection, so it should
+        generally only be called when the extraction path is a temporary
+        directory exclusive to a single process.  This method is not
+        automatically called; you must call it explicitly or register it as an
+        ``atexit`` function if you wish to ensure cleanup of a temporary
+        directory used for extractions.
+        """
+        # XXX
+
+
+def get_default_cache():
+    """
+    Return the ``PYTHON_EGG_CACHE`` environment variable
+    or a platform-relevant user cache dir for an app
+    named "Python-Eggs".
+    """
+    return os.environ.get('PYTHON_EGG_CACHE') or platformdirs.user_cache_dir(
+        appname='Python-Eggs'
+    )
+
+
+def safe_name(name):
+    """Convert an arbitrary string to a standard distribution name
+
+    Any runs of non-alphanumeric/. characters are replaced with a single '-'.
+    """
+    return re.sub('[^A-Za-z0-9.]+', '-', name)
+
+
+def safe_version(version):
+    """
+    Convert an arbitrary string to a standard version string
+    """
+    try:
+        # normalize the version
+        return str(packaging.version.Version(version))
+    except packaging.version.InvalidVersion:
+        version = version.replace(' ', '.')
+        return re.sub('[^A-Za-z0-9.]+', '-', version)
+
+
+def _forgiving_version(version):
+    """Fallback when ``safe_version`` is not safe enough
+    >>> parse_version(_forgiving_version('0.23ubuntu1'))
+    <Version('0.23.dev0+sanitized.ubuntu1')>
+    >>> parse_version(_forgiving_version('0.23-'))
+    <Version('0.23.dev0+sanitized')>
+    >>> parse_version(_forgiving_version('0.-_'))
+    <Version('0.dev0+sanitized')>
+    >>> parse_version(_forgiving_version('42.+?1'))
+    <Version('42.dev0+sanitized.1')>
+    >>> parse_version(_forgiving_version('hello world'))
+    <Version('0.dev0+sanitized.hello.world')>
+    """
+    version = version.replace(' ', '.')
+    match = _PEP440_FALLBACK.search(version)
+    if match:
+        safe = match["safe"]
+        rest = version[len(safe):]
+    else:
+        safe = "0"
+        rest = version
+    local = f"sanitized.{_safe_segment(rest)}".strip(".")
+    return f"{safe}.dev0+{local}"
+
+
+def _safe_segment(segment):
+    """Convert an arbitrary string into a safe segment"""
+    segment = re.sub('[^A-Za-z0-9.]+', '-', segment)
+    segment = re.sub('-[^A-Za-z0-9]+', '-', segment)
+    return re.sub(r'\.[^A-Za-z0-9]+', '.', segment).strip(".-")
+
+
+def safe_extra(extra):
+    """Convert an arbitrary string to a standard 'extra' name
+
+    Any runs of non-alphanumeric characters are replaced with a single '_',
+    and the result is always lowercased.
+    """
+    return re.sub('[^A-Za-z0-9.-]+', '_', extra).lower()
+
+
+def to_filename(name):
+    """Convert a project or version name to its filename-escaped form
+
+    Any '-' characters are currently replaced with '_'.
+    """
+    return name.replace('-', '_')
+
+
+def invalid_marker(text):
+    """
+    Validate text as a PEP 508 environment marker; return an exception
+    if invalid or False otherwise.
+    """
+    try:
+        evaluate_marker(text)
+    except SyntaxError as e:
+        e.filename = None
+        e.lineno = None
+        return e
+    return False
+
+
+def evaluate_marker(text, extra=None):
+    """
+    Evaluate a PEP 508 environment marker.
+    Return a boolean indicating the marker result in this environment.
+    Raise SyntaxError if marker is invalid.
+
+    This implementation uses the 'pyparsing' module.
+    """
+    try:
+        marker = packaging.markers.Marker(text)
+        return marker.evaluate()
+    except packaging.markers.InvalidMarker as e:
+        raise SyntaxError(e) from e
+
+
+class NullProvider:
+    """Try to implement resources and metadata for arbitrary PEP 302 loaders"""
+
+    egg_name = None
+    egg_info = None
+    loader = None
+
+    def __init__(self, module):
+        self.loader = getattr(module, '__loader__', None)
+        self.module_path = os.path.dirname(getattr(module, '__file__', ''))
+
+    def get_resource_filename(self, manager, resource_name):
+        return self._fn(self.module_path, resource_name)
+
+    def get_resource_stream(self, manager, resource_name):
+        return io.BytesIO(self.get_resource_string(manager, resource_name))
+
+    def get_resource_string(self, manager, resource_name):
+        return self._get(self._fn(self.module_path, resource_name))
+
+    def has_resource(self, resource_name):
+        return self._has(self._fn(self.module_path, resource_name))
+
+    def _get_metadata_path(self, name):
+        return self._fn(self.egg_info, name)
+
+    def has_metadata(self, name):
+        if not self.egg_info:
+            return self.egg_info
+
+        path = self._get_metadata_path(name)
+        return self._has(path)
+
+    def get_metadata(self, name):
+        if not self.egg_info:
+            return ""
+        path = self._get_metadata_path(name)
+        value = self._get(path)
+        try:
+            return value.decode('utf-8')
+        except UnicodeDecodeError as exc:
+            # Include the path in the error message to simplify
+            # troubleshooting, and without changing the exception type.
+            exc.reason += ' in {} file at path: {}'.format(name, path)
+            raise
+
+    def get_metadata_lines(self, name):
+        return yield_lines(self.get_metadata(name))
+
+    def resource_isdir(self, resource_name):
+        return self._isdir(self._fn(self.module_path, resource_name))
+
+    def metadata_isdir(self, name):
+        return self.egg_info and self._isdir(self._fn(self.egg_info, name))
+
+    def resource_listdir(self, resource_name):
+        return self._listdir(self._fn(self.module_path, resource_name))
+
+    def metadata_listdir(self, name):
+        if self.egg_info:
+            return self._listdir(self._fn(self.egg_info, name))
+        return []
+
+    def run_script(self, script_name, namespace):
+        script = 'scripts/' + script_name
+        if not self.has_metadata(script):
+            raise ResolutionError(
+                "Script {script!r} not found in metadata at {self.egg_info!r}".format(
+                    **locals()
+                ),
+            )
+        script_text = self.get_metadata(script).replace('\r\n', '\n')
+        script_text = script_text.replace('\r', '\n')
+        script_filename = self._fn(self.egg_info, script)
+        namespace['__file__'] = script_filename
+        if os.path.exists(script_filename):
+            with open(script_filename) as fid:
+                source = fid.read()
+            code = compile(source, script_filename, 'exec')
+            exec(code, namespace, namespace)
+        else:
+            from linecache import cache
+
+            cache[script_filename] = (
+                len(script_text),
+                0,
+                script_text.split('\n'),
+                script_filename,
+            )
+            script_code = compile(script_text, script_filename, 'exec')
+            exec(script_code, namespace, namespace)
+
+    def _has(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _isdir(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _listdir(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _fn(self, base, resource_name):
+        self._validate_resource_path(resource_name)
+        if resource_name:
+            return os.path.join(base, *resource_name.split('/'))
+        return base
+
+    @staticmethod
+    def _validate_resource_path(path):
+        """
+        Validate the resource paths according to the docs.
+        https://setuptools.pypa.io/en/latest/pkg_resources.html#basic-resource-access
+
+        >>> warned = getfixture('recwarn')
+        >>> warnings.simplefilter('always')
+        >>> vrp = NullProvider._validate_resource_path
+        >>> vrp('foo/bar.txt')
+        >>> bool(warned)
+        False
+        >>> vrp('../foo/bar.txt')
+        >>> bool(warned)
+        True
+        >>> warned.clear()
+        >>> vrp('/foo/bar.txt')
+        >>> bool(warned)
+        True
+        >>> vrp('foo/../../bar.txt')
+        >>> bool(warned)
+        True
+        >>> warned.clear()
+        >>> vrp('foo/f../bar.txt')
+        >>> bool(warned)
+        False
+
+        Windows path separators are straight-up disallowed.
+        >>> vrp(r'\\foo/bar.txt')
+        Traceback (most recent call last):
+        ...
+        ValueError: Use of .. or absolute path in a resource path \
+is not allowed.
+
+        >>> vrp(r'C:\\foo/bar.txt')
+        Traceback (most recent call last):
+        ...
+        ValueError: Use of .. or absolute path in a resource path \
+is not allowed.
+
+        Blank values are allowed
+
+        >>> vrp('')
+        >>> bool(warned)
+        False
+
+        Non-string values are not.
+
+        >>> vrp(None)
+        Traceback (most recent call last):
+        ...
+        AttributeError: ...
+        """
+        invalid = (
+            os.path.pardir in path.split(posixpath.sep)
+            or posixpath.isabs(path)
+            or ntpath.isabs(path)
+        )
+        if not invalid:
+            return
+
+        msg = "Use of .. or absolute path in a resource path is not allowed."
+
+        # Aggressively disallow Windows absolute paths
+        if ntpath.isabs(path) and not posixpath.isabs(path):
+            raise ValueError(msg)
+
+        # for compatibility, warn; in future
+        # raise ValueError(msg)
+        issue_warning(
+            msg[:-1] + " and will raise exceptions in a future release.",
+            DeprecationWarning,
+        )
+
+    def _get(self, path):
+        if hasattr(self.loader, 'get_data'):
+            return self.loader.get_data(path)
+        raise NotImplementedError(
+            "Can't perform this operation for loaders without 'get_data()'"
+        )
+
+
+register_loader_type(object, NullProvider)
+
+
+def _parents(path):
+    """
+    yield all parents of path including path
+    """
+    last = None
+    while path != last:
+        yield path
+        last = path
+        path, _ = os.path.split(path)
+
+
+class EggProvider(NullProvider):
+    """Provider based on a virtual filesystem"""
+
+    def __init__(self, module):
+        super().__init__(module)
+        self._setup_prefix()
+
+    def _setup_prefix(self):
+        # Assume that metadata may be nested inside a "basket"
+        # of multiple eggs and use module_path instead of .archive.
+        eggs = filter(_is_egg_path, _parents(self.module_path))
+        egg = next(eggs, None)
+        egg and self._set_egg(egg)
+
+    def _set_egg(self, path):
+        self.egg_name = os.path.basename(path)
+        self.egg_info = os.path.join(path, 'EGG-INFO')
+        self.egg_root = path
+
+
+class DefaultProvider(EggProvider):
+    """Provides access to package resources in the filesystem"""
+
+    def _has(self, path):
+        return os.path.exists(path)
+
+    def _isdir(self, path):
+        return os.path.isdir(path)
+
+    def _listdir(self, path):
+        return os.listdir(path)
+
+    def get_resource_stream(self, manager, resource_name):
+        return open(self._fn(self.module_path, resource_name), 'rb')
+
+    def _get(self, path):
+        with open(path, 'rb') as stream:
+            return stream.read()
+
+    @classmethod
+    def _register(cls):
+        loader_names = (
+            'SourceFileLoader',
+            'SourcelessFileLoader',
+        )
+        for name in loader_names:
+            loader_cls = getattr(importlib_machinery, name, type(None))
+            register_loader_type(loader_cls, cls)
+
+
+DefaultProvider._register()
+
+
+class EmptyProvider(NullProvider):
+    """Provider that returns nothing for all requests"""
+
+    module_path = None
+
+    _isdir = _has = lambda self, path: False
+
+    def _get(self, path):
+        return ''
+
+    def _listdir(self, path):
+        return []
+
+    def __init__(self):
+        pass
+
+
+empty_provider = EmptyProvider()
+
+
+class ZipManifests(dict):
+    """
+    zip manifest builder
+    """
+
+    @classmethod
+    def build(cls, path):
+        """
+        Build a dictionary similar to the zipimport directory
+        caches, except instead of tuples, store ZipInfo objects.
+
+        Use a platform-specific path separator (os.sep) for the path keys
+        for compatibility with pypy on Windows.
+        """
+        with zipfile.ZipFile(path) as zfile:
+            items = (
+                (
+                    name.replace('/', os.sep),
+                    zfile.getinfo(name),
+                )
+                for name in zfile.namelist()
+            )
+            return dict(items)
+
+    load = build
+
+
+class MemoizedZipManifests(ZipManifests):
+    """
+    Memoized zipfile manifests.
+    """
+
+    manifest_mod = collections.namedtuple('manifest_mod', 'manifest mtime')
+
+    def load(self, path):
+        """
+        Load a manifest at path or return a suitable manifest already loaded.
+        """
+        path = os.path.normpath(path)
+        mtime = os.stat(path).st_mtime
+
+        if path not in self or self[path].mtime != mtime:
+            manifest = self.build(path)
+            self[path] = self.manifest_mod(manifest, mtime)
+
+        return self[path].manifest
+
+
+class ZipProvider(EggProvider):
+    """Resource support for zips and eggs"""
+
+    eagers = None
+    _zip_manifests = MemoizedZipManifests()
+
+    def __init__(self, module):
+        super().__init__(module)
+        self.zip_pre = self.loader.archive + os.sep
+
+    def _zipinfo_name(self, fspath):
+        # Convert a virtual filename (full path to file) into a zipfile subpath
+        # usable with the zipimport directory cache for our target archive
+        fspath = fspath.rstrip(os.sep)
+        if fspath == self.loader.archive:
+            return ''
+        if fspath.startswith(self.zip_pre):
+            return fspath[len(self.zip_pre) :]
+        raise AssertionError("%s is not a subpath of %s" % (fspath, self.zip_pre))
+
+    def _parts(self, zip_path):
+        # Convert a zipfile subpath into an egg-relative path part list.
+        # pseudo-fs path
+        fspath = self.zip_pre + zip_path
+        if fspath.startswith(self.egg_root + os.sep):
+            return fspath[len(self.egg_root) + 1 :].split(os.sep)
+        raise AssertionError("%s is not a subpath of %s" % (fspath, self.egg_root))
+
+    @property
+    def zipinfo(self):
+        return self._zip_manifests.load(self.loader.archive)
+
+    def get_resource_filename(self, manager, resource_name):
+        if not self.egg_name:
+            raise NotImplementedError(
+                "resource_filename() only supported for .egg, not .zip"
+            )
+        # no need to lock for extraction, since we use temp names
+        zip_path = self._resource_to_zip(resource_name)
+        eagers = self._get_eager_resources()
+        if '/'.join(self._parts(zip_path)) in eagers:
+            for name in eagers:
+                self._extract_resource(manager, self._eager_to_zip(name))
+        return self._extract_resource(manager, zip_path)
+
+    @staticmethod
+    def _get_date_and_size(zip_stat):
+        size = zip_stat.file_size
+        # ymdhms+wday, yday, dst
+        date_time = zip_stat.date_time + (0, 0, -1)
+        # 1980 offset already done
+        timestamp = time.mktime(date_time)
+        return timestamp, size
+
+    # FIXME: 'ZipProvider._extract_resource' is too complex (12)
+    def _extract_resource(self, manager, zip_path):  # noqa: C901
+        if zip_path in self._index():
+            for name in self._index()[zip_path]:
+                last = self._extract_resource(manager, os.path.join(zip_path, name))
+            # return the extracted directory name
+            return os.path.dirname(last)
+
+        timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
+
+        if not WRITE_SUPPORT:
+            raise IOError(
+                '"os.rename" and "os.unlink" are not supported ' 'on this platform'
+            )
+        try:
+            real_path = manager.get_cache_path(self.egg_name, self._parts(zip_path))
+
+            if self._is_current(real_path, zip_path):
+                return real_path
+
+            outf, tmpnam = _mkstemp(
+                ".$extract",
+                dir=os.path.dirname(real_path),
+            )
+            os.write(outf, self.loader.get_data(zip_path))
+            os.close(outf)
+            utime(tmpnam, (timestamp, timestamp))
+            manager.postprocess(tmpnam, real_path)
+
+            try:
+                rename(tmpnam, real_path)
+
+            except os.error:
+                if os.path.isfile(real_path):
+                    if self._is_current(real_path, zip_path):
+                        # the file became current since it was checked above,
+                        #  so proceed.
+                        return real_path
+                    # Windows, del old file and retry
+                    elif os.name == 'nt':
+                        unlink(real_path)
+                        rename(tmpnam, real_path)
+                        return real_path
+                raise
+
+        except os.error:
+            # report a user-friendly error
+            manager.extraction_error()
+
+        return real_path
+
+    def _is_current(self, file_path, zip_path):
+        """
+        Return True if the file_path is current for this zip_path
+        """
+        timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
+        if not os.path.isfile(file_path):
+            return False
+        stat = os.stat(file_path)
+        if stat.st_size != size or stat.st_mtime != timestamp:
+            return False
+        # check that the contents match
+        zip_contents = self.loader.get_data(zip_path)
+        with open(file_path, 'rb') as f:
+            file_contents = f.read()
+        return zip_contents == file_contents
+
+    def _get_eager_resources(self):
+        if self.eagers is None:
+            eagers = []
+            for name in ('native_libs.txt', 'eager_resources.txt'):
+                if self.has_metadata(name):
+                    eagers.extend(self.get_metadata_lines(name))
+            self.eagers = eagers
+        return self.eagers
+
+    def _index(self):
+        try:
+            return self._dirindex
+        except AttributeError:
+            ind = {}
+            for path in self.zipinfo:
+                parts = path.split(os.sep)
+                while parts:
+                    parent = os.sep.join(parts[:-1])
+                    if parent in ind:
+                        ind[parent].append(parts[-1])
+                        break
+                    else:
+                        ind[parent] = [parts.pop()]
+            self._dirindex = ind
+            return ind
+
+    def _has(self, fspath):
+        zip_path = self._zipinfo_name(fspath)
+        return zip_path in self.zipinfo or zip_path in self._index()
+
+    def _isdir(self, fspath):
+        return self._zipinfo_name(fspath) in self._index()
+
+    def _listdir(self, fspath):
+        return list(self._index().get(self._zipinfo_name(fspath), ()))
+
+    def _eager_to_zip(self, resource_name):
+        return self._zipinfo_name(self._fn(self.egg_root, resource_name))
+
+    def _resource_to_zip(self, resource_name):
+        return self._zipinfo_name(self._fn(self.module_path, resource_name))
+
+
+register_loader_type(zipimport.zipimporter, ZipProvider)
+
+
+class FileMetadata(EmptyProvider):
+    """Metadata handler for standalone PKG-INFO files
+
+    Usage::
+
+        metadata = FileMetadata("/path/to/PKG-INFO")
+
+    This provider rejects all data and metadata requests except for PKG-INFO,
+    which is treated as existing, and will be the contents of the file at
+    the provided location.
+    """
+
+    def __init__(self, path):
+        self.path = path
+
+    def _get_metadata_path(self, name):
+        return self.path
+
+    def has_metadata(self, name):
+        return name == 'PKG-INFO' and os.path.isfile(self.path)
+
+    def get_metadata(self, name):
+        if name != 'PKG-INFO':
+            raise KeyError("No metadata except PKG-INFO is available")
+
+        with io.open(self.path, encoding='utf-8', errors="replace") as f:
+            metadata = f.read()
+        self._warn_on_replacement(metadata)
+        return metadata
+
+    def _warn_on_replacement(self, metadata):
+        replacement_char = '�'
+        if replacement_char in metadata:
+            tmpl = "{self.path} could not be properly decoded in UTF-8"
+            msg = tmpl.format(**locals())
+            warnings.warn(msg)
+
+    def get_metadata_lines(self, name):
+        return yield_lines(self.get_metadata(name))
+
+
+class PathMetadata(DefaultProvider):
+    """Metadata provider for egg directories
+
+    Usage::
+
+        # Development eggs:
+
+        egg_info = "/path/to/PackageName.egg-info"
+        base_dir = os.path.dirname(egg_info)
+        metadata = PathMetadata(base_dir, egg_info)
+        dist_name = os.path.splitext(os.path.basename(egg_info))[0]
+        dist = Distribution(basedir, project_name=dist_name, metadata=metadata)
+
+        # Unpacked egg directories:
+
+        egg_path = "/path/to/PackageName-ver-pyver-etc.egg"
+        metadata = PathMetadata(egg_path, os.path.join(egg_path,'EGG-INFO'))
+        dist = Distribution.from_filename(egg_path, metadata=metadata)
+    """
+
+    def __init__(self, path, egg_info):
+        self.module_path = path
+        self.egg_info = egg_info
+
+
+class EggMetadata(ZipProvider):
+    """Metadata provider for .egg files"""
+
+    def __init__(self, importer):
+        """Create a metadata provider from a zipimporter"""
+
+        self.zip_pre = importer.archive + os.sep
+        self.loader = importer
+        if importer.prefix:
+            self.module_path = os.path.join(importer.archive, importer.prefix)
+        else:
+            self.module_path = importer.archive
+        self._setup_prefix()
+
+
+_declare_state('dict', _distribution_finders={})
+
+
+def register_finder(importer_type, distribution_finder):
+    """Register `distribution_finder` to find distributions in sys.path items
+
+    `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item
+    handler), and `distribution_finder` is a callable that, passed a path
+    item and the importer instance, yields ``Distribution`` instances found on
+    that path item.  See ``pkg_resources.find_on_path`` for an example."""
+    _distribution_finders[importer_type] = distribution_finder
+
+
+def find_distributions(path_item, only=False):
+    """Yield distributions accessible via `path_item`"""
+    importer = get_importer(path_item)
+    finder = _find_adapter(_distribution_finders, importer)
+    return finder(importer, path_item, only)
+
+
+def find_eggs_in_zip(importer, path_item, only=False):
+    """
+    Find eggs in zip files; possibly multiple nested eggs.
+    """
+    if importer.archive.endswith('.whl'):
+        # wheels are not supported with this finder
+        # they don't have PKG-INFO metadata, and won't ever contain eggs
+        return
+    metadata = EggMetadata(importer)
+    if metadata.has_metadata('PKG-INFO'):
+        yield Distribution.from_filename(path_item, metadata=metadata)
+    if only:
+        # don't yield nested distros
+        return
+    for subitem in metadata.resource_listdir(''):
+        if _is_egg_path(subitem):
+            subpath = os.path.join(path_item, subitem)
+            dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath)
+            for dist in dists:
+                yield dist
+        elif subitem.lower().endswith(('.dist-info', '.egg-info')):
+            subpath = os.path.join(path_item, subitem)
+            submeta = EggMetadata(zipimport.zipimporter(subpath))
+            submeta.egg_info = subpath
+            yield Distribution.from_location(path_item, subitem, submeta)
+
+
+register_finder(zipimport.zipimporter, find_eggs_in_zip)
+
+
+def find_nothing(importer, path_item, only=False):
+    return ()
+
+
+register_finder(object, find_nothing)
+
+
+def find_on_path(importer, path_item, only=False):
+    """Yield distributions accessible on a sys.path directory"""
+    path_item = _normalize_cached(path_item)
+
+    if _is_unpacked_egg(path_item):
+        yield Distribution.from_filename(
+            path_item,
+            metadata=PathMetadata(path_item, os.path.join(path_item, 'EGG-INFO')),
+        )
+        return
+
+    entries = (os.path.join(path_item, child) for child in safe_listdir(path_item))
+
+    # scan for .egg and .egg-info in directory
+    for entry in sorted(entries):
+        fullpath = os.path.join(path_item, entry)
+        factory = dist_factory(path_item, entry, only)
+        for dist in factory(fullpath):
+            yield dist
+
+
+def dist_factory(path_item, entry, only):
+    """Return a dist_factory for the given entry."""
+    lower = entry.lower()
+    is_egg_info = lower.endswith('.egg-info')
+    is_dist_info = lower.endswith('.dist-info') and os.path.isdir(
+        os.path.join(path_item, entry)
+    )
+    is_meta = is_egg_info or is_dist_info
+    return (
+        distributions_from_metadata
+        if is_meta
+        else find_distributions
+        if not only and _is_egg_path(entry)
+        else resolve_egg_link
+        if not only and lower.endswith('.egg-link')
+        else NoDists()
+    )
+
+
+class NoDists:
+    """
+    >>> bool(NoDists())
+    False
+
+    >>> list(NoDists()('anything'))
+    []
+    """
+
+    def __bool__(self):
+        return False
+
+    def __call__(self, fullpath):
+        return iter(())
+
+
+def safe_listdir(path):
+    """
+    Attempt to list contents of path, but suppress some exceptions.
+    """
+    try:
+        return os.listdir(path)
+    except (PermissionError, NotADirectoryError):
+        pass
+    except OSError as e:
+        # Ignore the directory if does not exist, not a directory or
+        # permission denied
+        if e.errno not in (errno.ENOTDIR, errno.EACCES, errno.ENOENT):
+            raise
+    return ()
+
+
+def distributions_from_metadata(path):
+    root = os.path.dirname(path)
+    if os.path.isdir(path):
+        if len(os.listdir(path)) == 0:
+            # empty metadata dir; skip
+            return
+        metadata = PathMetadata(root, path)
+    else:
+        metadata = FileMetadata(path)
+    entry = os.path.basename(path)
+    yield Distribution.from_location(
+        root,
+        entry,
+        metadata,
+        precedence=DEVELOP_DIST,
+    )
+
+
+def non_empty_lines(path):
+    """
+    Yield non-empty lines from file at path
+    """
+    with open(path) as f:
+        for line in f:
+            line = line.strip()
+            if line:
+                yield line
+
+
+def resolve_egg_link(path):
+    """
+    Given a path to an .egg-link, resolve distributions
+    present in the referenced path.
+    """
+    referenced_paths = non_empty_lines(path)
+    resolved_paths = (
+        os.path.join(os.path.dirname(path), ref) for ref in referenced_paths
+    )
+    dist_groups = map(find_distributions, resolved_paths)
+    return next(dist_groups, ())
+
+
+if hasattr(pkgutil, 'ImpImporter'):
+    register_finder(pkgutil.ImpImporter, find_on_path)
+
+register_finder(importlib_machinery.FileFinder, find_on_path)
+
+_declare_state('dict', _namespace_handlers={})
+_declare_state('dict', _namespace_packages={})
+
+
+def register_namespace_handler(importer_type, namespace_handler):
+    """Register `namespace_handler` to declare namespace packages
+
+    `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item
+    handler), and `namespace_handler` is a callable like this::
+
+        def namespace_handler(importer, path_entry, moduleName, module):
+            # return a path_entry to use for child packages
+
+    Namespace handlers are only called if the importer object has already
+    agreed that it can handle the relevant path item, and they should only
+    return a subpath if the module __path__ does not already contain an
+    equivalent subpath.  For an example namespace handler, see
+    ``pkg_resources.file_ns_handler``.
+    """
+    _namespace_handlers[importer_type] = namespace_handler
+
+
+def _handle_ns(packageName, path_item):
+    """Ensure that named package includes a subpath of path_item (if needed)"""
+
+    importer = get_importer(path_item)
+    if importer is None:
+        return None
+
+    # use find_spec (PEP 451) and fall-back to find_module (PEP 302)
+    try:
+        spec = importer.find_spec(packageName)
+    except AttributeError:
+        # capture warnings due to #1111
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            loader = importer.find_module(packageName)
+    else:
+        loader = spec.loader if spec else None
+
+    if loader is None:
+        return None
+    module = sys.modules.get(packageName)
+    if module is None:
+        module = sys.modules[packageName] = types.ModuleType(packageName)
+        module.__path__ = []
+        _set_parent_ns(packageName)
+    elif not hasattr(module, '__path__'):
+        raise TypeError("Not a package:", packageName)
+    handler = _find_adapter(_namespace_handlers, importer)
+    subpath = handler(importer, path_item, packageName, module)
+    if subpath is not None:
+        path = module.__path__
+        path.append(subpath)
+        importlib.import_module(packageName)
+        _rebuild_mod_path(path, packageName, module)
+    return subpath
+
+
+def _rebuild_mod_path(orig_path, package_name, module):
+    """
+    Rebuild module.__path__ ensuring that all entries are ordered
+    corresponding to their sys.path order
+    """
+    sys_path = [_normalize_cached(p) for p in sys.path]
+
+    def safe_sys_path_index(entry):
+        """
+        Workaround for #520 and #513.
+        """
+        try:
+            return sys_path.index(entry)
+        except ValueError:
+            return float('inf')
+
+    def position_in_sys_path(path):
+        """
+        Return the ordinal of the path based on its position in sys.path
+        """
+        path_parts = path.split(os.sep)
+        module_parts = package_name.count('.') + 1
+        parts = path_parts[:-module_parts]
+        return safe_sys_path_index(_normalize_cached(os.sep.join(parts)))
+
+    new_path = sorted(orig_path, key=position_in_sys_path)
+    new_path = [_normalize_cached(p) for p in new_path]
+
+    if isinstance(module.__path__, list):
+        module.__path__[:] = new_path
+    else:
+        module.__path__ = new_path
+
+
+def declare_namespace(packageName):
+    """Declare that package 'packageName' is a namespace package"""
+
+    msg = (
+        f"Deprecated call to `pkg_resources.declare_namespace({packageName!r})`.\n"
+        "Implementing implicit namespace packages (as specified in PEP 420) "
+        "is preferred to `pkg_resources.declare_namespace`. "
+        "See https://setuptools.pypa.io/en/latest/references/"
+        "keywords.html#keyword-namespace-packages"
+    )
+    warnings.warn(msg, DeprecationWarning, stacklevel=2)
+
+    _imp.acquire_lock()
+    try:
+        if packageName in _namespace_packages:
+            return
+
+        path = sys.path
+        parent, _, _ = packageName.rpartition('.')
+
+        if parent:
+            declare_namespace(parent)
+            if parent not in _namespace_packages:
+                __import__(parent)
+            try:
+                path = sys.modules[parent].__path__
+            except AttributeError as e:
+                raise TypeError("Not a package:", parent) from e
+
+        # Track what packages are namespaces, so when new path items are added,
+        # they can be updated
+        _namespace_packages.setdefault(parent or None, []).append(packageName)
+        _namespace_packages.setdefault(packageName, [])
+
+        for path_item in path:
+            # Ensure all the parent's path items are reflected in the child,
+            # if they apply
+            _handle_ns(packageName, path_item)
+
+    finally:
+        _imp.release_lock()
+
+
+def fixup_namespace_packages(path_item, parent=None):
+    """Ensure that previously-declared namespace packages include path_item"""
+    _imp.acquire_lock()
+    try:
+        for package in _namespace_packages.get(parent, ()):
+            subpath = _handle_ns(package, path_item)
+            if subpath:
+                fixup_namespace_packages(subpath, package)
+    finally:
+        _imp.release_lock()
+
+
+def file_ns_handler(importer, path_item, packageName, module):
+    """Compute an ns-package subpath for a filesystem or zipfile importer"""
+
+    subpath = os.path.join(path_item, packageName.split('.')[-1])
+    normalized = _normalize_cached(subpath)
+    for item in module.__path__:
+        if _normalize_cached(item) == normalized:
+            break
+    else:
+        # Only return the path if it's not already there
+        return subpath
+
+
+if hasattr(pkgutil, 'ImpImporter'):
+    register_namespace_handler(pkgutil.ImpImporter, file_ns_handler)
+
+register_namespace_handler(zipimport.zipimporter, file_ns_handler)
+register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler)
+
+
+def null_ns_handler(importer, path_item, packageName, module):
+    return None
+
+
+register_namespace_handler(object, null_ns_handler)
+
+
+def normalize_path(filename):
+    """Normalize a file/dir name for comparison purposes"""
+    return os.path.normcase(os.path.realpath(os.path.normpath(_cygwin_patch(filename))))
+
+
+def _cygwin_patch(filename):  # pragma: nocover
+    """
+    Contrary to POSIX 2008, on Cygwin, getcwd (3) contains
+    symlink components. Using
+    os.path.abspath() works around this limitation. A fix in os.getcwd()
+    would probably better, in Cygwin even more so, except
+    that this seems to be by design...
+    """
+    return os.path.abspath(filename) if sys.platform == 'cygwin' else filename
+
+
+def _normalize_cached(filename, _cache={}):
+    try:
+        return _cache[filename]
+    except KeyError:
+        _cache[filename] = result = normalize_path(filename)
+        return result
+
+
+def _is_egg_path(path):
+    """
+    Determine if given path appears to be an egg.
+    """
+    return _is_zip_egg(path) or _is_unpacked_egg(path)
+
+
+def _is_zip_egg(path):
+    return (
+        path.lower().endswith('.egg')
+        and os.path.isfile(path)
+        and zipfile.is_zipfile(path)
+    )
+
+
+def _is_unpacked_egg(path):
+    """
+    Determine if given path appears to be an unpacked egg.
+    """
+    return path.lower().endswith('.egg') and os.path.isfile(
+        os.path.join(path, 'EGG-INFO', 'PKG-INFO')
+    )
+
+
+def _set_parent_ns(packageName):
+    parts = packageName.split('.')
+    name = parts.pop()
+    if parts:
+        parent = '.'.join(parts)
+        setattr(sys.modules[parent], name, sys.modules[packageName])
+
+
+MODULE = re.compile(r"\w+(\.\w+)*$").match
+EGG_NAME = re.compile(
+    r"""
+    (?P<name>[^-]+) (
+        -(?P<ver>[^-]+) (
+            -py(?P<pyver>[^-]+) (
+                -(?P<plat>.+)
+            )?
+        )?
+    )?
+    """,
+    re.VERBOSE | re.IGNORECASE,
+).match
+
+
+class EntryPoint:
+    """Object representing an advertised importable object"""
+
+    def __init__(self, name, module_name, attrs=(), extras=(), dist=None):
+        if not MODULE(module_name):
+            raise ValueError("Invalid module name", module_name)
+        self.name = name
+        self.module_name = module_name
+        self.attrs = tuple(attrs)
+        self.extras = tuple(extras)
+        self.dist = dist
+
+    def __str__(self):
+        s = "%s = %s" % (self.name, self.module_name)
+        if self.attrs:
+            s += ':' + '.'.join(self.attrs)
+        if self.extras:
+            s += ' [%s]' % ','.join(self.extras)
+        return s
+
+    def __repr__(self):
+        return "EntryPoint.parse(%r)" % str(self)
+
+    def load(self, require=True, *args, **kwargs):
+        """
+        Require packages for this EntryPoint, then resolve it.
+        """
+        if not require or args or kwargs:
+            warnings.warn(
+                "Parameters to load are deprecated.  Call .resolve and "
+                ".require separately.",
+                PkgResourcesDeprecationWarning,
+                stacklevel=2,
+            )
+        if require:
+            self.require(*args, **kwargs)
+        return self.resolve()
+
+    def resolve(self):
+        """
+        Resolve the entry point from its module and attrs.
+        """
+        module = __import__(self.module_name, fromlist=['__name__'], level=0)
+        try:
+            return functools.reduce(getattr, self.attrs, module)
+        except AttributeError as exc:
+            raise ImportError(str(exc)) from exc
+
+    def require(self, env=None, installer=None):
+        if self.extras and not self.dist:
+            raise UnknownExtra("Can't require() without a distribution", self)
+
+        # Get the requirements for this entry point with all its extras and
+        # then resolve them. We have to pass `extras` along when resolving so
+        # that the working set knows what extras we want. Otherwise, for
+        # dist-info distributions, the working set will assume that the
+        # requirements for that extra are purely optional and skip over them.
+        reqs = self.dist.requires(self.extras)
+        items = working_set.resolve(reqs, env, installer, extras=self.extras)
+        list(map(working_set.add, items))
+
+    pattern = re.compile(
+        r'\s*'
+        r'(?P<name>.+?)\s*'
+        r'=\s*'
+        r'(?P<module>[\w.]+)\s*'
+        r'(:\s*(?P<attr>[\w.]+))?\s*'
+        r'(?P<extras>\[.*\])?\s*$'
+    )
+
+    @classmethod
+    def parse(cls, src, dist=None):
+        """Parse a single entry point from string `src`
+
+        Entry point syntax follows the form::
+
+            name = some.module:some.attr [extra1, extra2]
+
+        The entry name and module name are required, but the ``:attrs`` and
+        ``[extras]`` parts are optional
+        """
+        m = cls.pattern.match(src)
+        if not m:
+            msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
+            raise ValueError(msg, src)
+        res = m.groupdict()
+        extras = cls._parse_extras(res['extras'])
+        attrs = res['attr'].split('.') if res['attr'] else ()
+        return cls(res['name'], res['module'], attrs, extras, dist)
+
+    @classmethod
+    def _parse_extras(cls, extras_spec):
+        if not extras_spec:
+            return ()
+        req = Requirement.parse('x' + extras_spec)
+        if req.specs:
+            raise ValueError()
+        return req.extras
+
+    @classmethod
+    def parse_group(cls, group, lines, dist=None):
+        """Parse an entry point group"""
+        if not MODULE(group):
+            raise ValueError("Invalid group name", group)
+        this = {}
+        for line in yield_lines(lines):
+            ep = cls.parse(line, dist)
+            if ep.name in this:
+                raise ValueError("Duplicate entry point", group, ep.name)
+            this[ep.name] = ep
+        return this
+
+    @classmethod
+    def parse_map(cls, data, dist=None):
+        """Parse a map of entry point groups"""
+        if isinstance(data, dict):
+            data = data.items()
+        else:
+            data = split_sections(data)
+        maps = {}
+        for group, lines in data:
+            if group is None:
+                if not lines:
+                    continue
+                raise ValueError("Entry points must be listed in groups")
+            group = group.strip()
+            if group in maps:
+                raise ValueError("Duplicate group name", group)
+            maps[group] = cls.parse_group(group, lines, dist)
+        return maps
+
+
+def _version_from_file(lines):
+    """
+    Given an iterable of lines from a Metadata file, return
+    the value of the Version field, if present, or None otherwise.
+    """
+
+    def is_version_line(line):
+        return line.lower().startswith('version:')
+
+    version_lines = filter(is_version_line, lines)
+    line = next(iter(version_lines), '')
+    _, _, value = line.partition(':')
+    return safe_version(value.strip()) or None
+
+
+class Distribution:
+    """Wrap an actual or potential sys.path entry w/metadata"""
+
+    PKG_INFO = 'PKG-INFO'
+
+    def __init__(
+        self,
+        location=None,
+        metadata=None,
+        project_name=None,
+        version=None,
+        py_version=PY_MAJOR,
+        platform=None,
+        precedence=EGG_DIST,
+    ):
+        self.project_name = safe_name(project_name or 'Unknown')
+        if version is not None:
+            self._version = safe_version(version)
+        self.py_version = py_version
+        self.platform = platform
+        self.location = location
+        self.precedence = precedence
+        self._provider = metadata or empty_provider
+
+    @classmethod
+    def from_location(cls, location, basename, metadata=None, **kw):
+        project_name, version, py_version, platform = [None] * 4
+        basename, ext = os.path.splitext(basename)
+        if ext.lower() in _distributionImpl:
+            cls = _distributionImpl[ext.lower()]
+
+            match = EGG_NAME(basename)
+            if match:
+                project_name, version, py_version, platform = match.group(
+                    'name', 'ver', 'pyver', 'plat'
+                )
+        return cls(
+            location,
+            metadata,
+            project_name=project_name,
+            version=version,
+            py_version=py_version,
+            platform=platform,
+            **kw,
+        )._reload_version()
+
+    def _reload_version(self):
+        return self
+
+    @property
+    def hashcmp(self):
+        return (
+            self._forgiving_parsed_version,
+            self.precedence,
+            self.key,
+            self.location,
+            self.py_version or '',
+            self.platform or '',
+        )
+
+    def __hash__(self):
+        return hash(self.hashcmp)
+
+    def __lt__(self, other):
+        return self.hashcmp < other.hashcmp
+
+    def __le__(self, other):
+        return self.hashcmp <= other.hashcmp
+
+    def __gt__(self, other):
+        return self.hashcmp > other.hashcmp
+
+    def __ge__(self, other):
+        return self.hashcmp >= other.hashcmp
+
+    def __eq__(self, other):
+        if not isinstance(other, self.__class__):
+            # It's not a Distribution, so they are not equal
+            return False
+        return self.hashcmp == other.hashcmp
+
+    def __ne__(self, other):
+        return not self == other
+
+    # These properties have to be lazy so that we don't have to load any
+    # metadata until/unless it's actually needed.  (i.e., some distributions
+    # may not know their name or version without loading PKG-INFO)
+
+    @property
+    def key(self):
+        try:
+            return self._key
+        except AttributeError:
+            self._key = key = self.project_name.lower()
+            return key
+
+    @property
+    def parsed_version(self):
+        if not hasattr(self, "_parsed_version"):
+            try:
+                self._parsed_version = parse_version(self.version)
+            except packaging.version.InvalidVersion as ex:
+                info = f"(package: {self.project_name})"
+                if hasattr(ex, "add_note"):
+                    ex.add_note(info)  # PEP 678
+                    raise
+                raise packaging.version.InvalidVersion(f"{str(ex)} {info}") from None
+
+        return self._parsed_version
+
+    @property
+    def _forgiving_parsed_version(self):
+        try:
+            return self.parsed_version
+        except packaging.version.InvalidVersion as ex:
+            self._parsed_version = parse_version(_forgiving_version(self.version))
+
+            notes = "\n".join(getattr(ex, "__notes__", []))  # PEP 678
+            msg = f"""!!\n\n
+            *************************************************************************
+            {str(ex)}\n{notes}
+
+            This is a long overdue deprecation.
+            For the time being, `pkg_resources` will use `{self._parsed_version}`
+            as a replacement to avoid breaking existing environments,
+            but no future compatibility is guaranteed.
+
+            If you maintain package {self.project_name} you should implement
+            the relevant changes to adequate the project to PEP 440 immediately.
+            *************************************************************************
+            \n\n!!
+            """
+            warnings.warn(msg, DeprecationWarning)
+
+            return self._parsed_version
+
+    @property
+    def version(self):
+        try:
+            return self._version
+        except AttributeError as e:
+            version = self._get_version()
+            if version is None:
+                path = self._get_metadata_path_for_display(self.PKG_INFO)
+                msg = ("Missing 'Version:' header and/or {} file at path: {}").format(
+                    self.PKG_INFO, path
+                )
+                raise ValueError(msg, self) from e
+
+            return version
+
+    @property
+    def _dep_map(self):
+        """
+        A map of extra to its list of (direct) requirements
+        for this distribution, including the null extra.
+        """
+        try:
+            return self.__dep_map
+        except AttributeError:
+            self.__dep_map = self._filter_extras(self._build_dep_map())
+        return self.__dep_map
+
+    @staticmethod
+    def _filter_extras(dm):
+        """
+        Given a mapping of extras to dependencies, strip off
+        environment markers and filter out any dependencies
+        not matching the markers.
+        """
+        for extra in list(filter(None, dm)):
+            new_extra = extra
+            reqs = dm.pop(extra)
+            new_extra, _, marker = extra.partition(':')
+            fails_marker = marker and (
+                invalid_marker(marker) or not evaluate_marker(marker)
+            )
+            if fails_marker:
+                reqs = []
+            new_extra = safe_extra(new_extra) or None
+
+            dm.setdefault(new_extra, []).extend(reqs)
+        return dm
+
+    def _build_dep_map(self):
+        dm = {}
+        for name in 'requires.txt', 'depends.txt':
+            for extra, reqs in split_sections(self._get_metadata(name)):
+                dm.setdefault(extra, []).extend(parse_requirements(reqs))
+        return dm
+
+    def requires(self, extras=()):
+        """List of Requirements needed for this distro if `extras` are used"""
+        dm = self._dep_map
+        deps = []
+        deps.extend(dm.get(None, ()))
+        for ext in extras:
+            try:
+                deps.extend(dm[safe_extra(ext)])
+            except KeyError as e:
+                raise UnknownExtra(
+                    "%s has no such extra feature %r" % (self, ext)
+                ) from e
+        return deps
+
+    def _get_metadata_path_for_display(self, name):
+        """
+        Return the path to the given metadata file, if available.
+        """
+        try:
+            # We need to access _get_metadata_path() on the provider object
+            # directly rather than through this class's __getattr__()
+            # since _get_metadata_path() is marked private.
+            path = self._provider._get_metadata_path(name)
+
+        # Handle exceptions e.g. in case the distribution's metadata
+        # provider doesn't support _get_metadata_path().
+        except Exception:
+            return '[could not detect]'
+
+        return path
+
+    def _get_metadata(self, name):
+        if self.has_metadata(name):
+            for line in self.get_metadata_lines(name):
+                yield line
+
+    def _get_version(self):
+        lines = self._get_metadata(self.PKG_INFO)
+        version = _version_from_file(lines)
+
+        return version
+
+    def activate(self, path=None, replace=False):
+        """Ensure distribution is importable on `path` (default=sys.path)"""
+        if path is None:
+            path = sys.path
+        self.insert_on(path, replace=replace)
+        if path is sys.path:
+            fixup_namespace_packages(self.location)
+            for pkg in self._get_metadata('namespace_packages.txt'):
+                if pkg in sys.modules:
+                    declare_namespace(pkg)
+
+    def egg_name(self):
+        """Return what this distribution's standard .egg filename should be"""
+        filename = "%s-%s-py%s" % (
+            to_filename(self.project_name),
+            to_filename(self.version),
+            self.py_version or PY_MAJOR,
+        )
+
+        if self.platform:
+            filename += '-' + self.platform
+        return filename
+
+    def __repr__(self):
+        if self.location:
+            return "%s (%s)" % (self, self.location)
+        else:
+            return str(self)
+
+    def __str__(self):
+        try:
+            version = getattr(self, 'version', None)
+        except ValueError:
+            version = None
+        version = version or "[unknown version]"
+        return "%s %s" % (self.project_name, version)
+
+    def __getattr__(self, attr):
+        """Delegate all unrecognized public attributes to .metadata provider"""
+        if attr.startswith('_'):
+            raise AttributeError(attr)
+        return getattr(self._provider, attr)
+
+    def __dir__(self):
+        return list(
+            set(super(Distribution, self).__dir__())
+            | set(attr for attr in self._provider.__dir__() if not attr.startswith('_'))
+        )
+
+    @classmethod
+    def from_filename(cls, filename, metadata=None, **kw):
+        return cls.from_location(
+            _normalize_cached(filename), os.path.basename(filename), metadata, **kw
+        )
+
+    def as_requirement(self):
+        """Return a ``Requirement`` that matches this distribution exactly"""
+        if isinstance(self.parsed_version, packaging.version.Version):
+            spec = "%s==%s" % (self.project_name, self.parsed_version)
+        else:
+            spec = "%s===%s" % (self.project_name, self.parsed_version)
+
+        return Requirement.parse(spec)
+
+    def load_entry_point(self, group, name):
+        """Return the `name` entry point of `group` or raise ImportError"""
+        ep = self.get_entry_info(group, name)
+        if ep is None:
+            raise ImportError("Entry point %r not found" % ((group, name),))
+        return ep.load()
+
+    def get_entry_map(self, group=None):
+        """Return the entry point map for `group`, or the full entry map"""
+        try:
+            ep_map = self._ep_map
+        except AttributeError:
+            ep_map = self._ep_map = EntryPoint.parse_map(
+                self._get_metadata('entry_points.txt'), self
+            )
+        if group is not None:
+            return ep_map.get(group, {})
+        return ep_map
+
+    def get_entry_info(self, group, name):
+        """Return the EntryPoint object for `group`+`name`, or ``None``"""
+        return self.get_entry_map(group).get(name)
+
+    # FIXME: 'Distribution.insert_on' is too complex (13)
+    def insert_on(self, path, loc=None, replace=False):  # noqa: C901
+        """Ensure self.location is on path
+
+        If replace=False (default):
+            - If location is already in path anywhere, do nothing.
+            - Else:
+              - If it's an egg and its parent directory is on path,
+                insert just ahead of the parent.
+              - Else: add to the end of path.
+        If replace=True:
+            - If location is already on path anywhere (not eggs)
+              or higher priority than its parent (eggs)
+              do nothing.
+            - Else:
+              - If it's an egg and its parent directory is on path,
+                insert just ahead of the parent,
+                removing any lower-priority entries.
+              - Else: add it to the front of path.
+        """
+
+        loc = loc or self.location
+        if not loc:
+            return
+
+        nloc = _normalize_cached(loc)
+        bdir = os.path.dirname(nloc)
+        npath = [(p and _normalize_cached(p) or p) for p in path]
+
+        for p, item in enumerate(npath):
+            if item == nloc:
+                if replace:
+                    break
+                else:
+                    # don't modify path (even removing duplicates) if
+                    # found and not replace
+                    return
+            elif item == bdir and self.precedence == EGG_DIST:
+                # if it's an .egg, give it precedence over its directory
+                # UNLESS it's already been added to sys.path and replace=False
+                if (not replace) and nloc in npath[p:]:
+                    return
+                if path is sys.path:
+                    self.check_version_conflict()
+                path.insert(p, loc)
+                npath.insert(p, nloc)
+                break
+        else:
+            if path is sys.path:
+                self.check_version_conflict()
+            if replace:
+                path.insert(0, loc)
+            else:
+                path.append(loc)
+            return
+
+        # p is the spot where we found or inserted loc; now remove duplicates
+        while True:
+            try:
+                np = npath.index(nloc, p + 1)
+            except ValueError:
+                break
+            else:
+                del npath[np], path[np]
+                # ha!
+                p = np
+
+        return
+
+    def check_version_conflict(self):
+        if self.key == 'setuptools':
+            # ignore the inevitable setuptools self-conflicts  :(
+            return
+
+        nsp = dict.fromkeys(self._get_metadata('namespace_packages.txt'))
+        loc = normalize_path(self.location)
+        for modname in self._get_metadata('top_level.txt'):
+            if (
+                modname not in sys.modules
+                or modname in nsp
+                or modname in _namespace_packages
+            ):
+                continue
+            if modname in ('pkg_resources', 'setuptools', 'site'):
+                continue
+            fn = getattr(sys.modules[modname], '__file__', None)
+            if fn and (
+                normalize_path(fn).startswith(loc) or fn.startswith(self.location)
+            ):
+                continue
+            issue_warning(
+                "Module %s was already imported from %s, but %s is being added"
+                " to sys.path" % (modname, fn, self.location),
+            )
+
+    def has_version(self):
+        try:
+            self.version
+        except ValueError:
+            issue_warning("Unbuilt egg for " + repr(self))
+            return False
+        except SystemError:
+            # TODO: remove this except clause when python/cpython#103632 is fixed.
+            return False
+        return True
+
+    def clone(self, **kw):
+        """Copy this distribution, substituting in any changed keyword args"""
+        names = 'project_name version py_version platform location precedence'
+        for attr in names.split():
+            kw.setdefault(attr, getattr(self, attr, None))
+        kw.setdefault('metadata', self._provider)
+        return self.__class__(**kw)
+
+    @property
+    def extras(self):
+        return [dep for dep in self._dep_map if dep]
+
+
+class EggInfoDistribution(Distribution):
+    def _reload_version(self):
+        """
+        Packages installed by distutils (e.g. numpy or scipy),
+        which uses an old safe_version, and so
+        their version numbers can get mangled when
+        converted to filenames (e.g., 1.11.0.dev0+2329eae to
+        1.11.0.dev0_2329eae). These distributions will not be
+        parsed properly
+        downstream by Distribution and safe_version, so
+        take an extra step and try to get the version number from
+        the metadata file itself instead of the filename.
+        """
+        md_version = self._get_version()
+        if md_version:
+            self._version = md_version
+        return self
+
+
+class DistInfoDistribution(Distribution):
+    """
+    Wrap an actual or potential sys.path entry
+    w/metadata, .dist-info style.
+    """
+
+    PKG_INFO = 'METADATA'
+    EQEQ = re.compile(r"([\(,])\s*(\d.*?)\s*([,\)])")
+
+    @property
+    def _parsed_pkg_info(self):
+        """Parse and cache metadata"""
+        try:
+            return self._pkg_info
+        except AttributeError:
+            metadata = self.get_metadata(self.PKG_INFO)
+            self._pkg_info = email.parser.Parser().parsestr(metadata)
+            return self._pkg_info
+
+    @property
+    def _dep_map(self):
+        try:
+            return self.__dep_map
+        except AttributeError:
+            self.__dep_map = self._compute_dependencies()
+            return self.__dep_map
+
+    def _compute_dependencies(self):
+        """Recompute this distribution's dependencies."""
+        dm = self.__dep_map = {None: []}
+
+        reqs = []
+        # Including any condition expressions
+        for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:
+            reqs.extend(parse_requirements(req))
+
+        def reqs_for_extra(extra):
+            for req in reqs:
+                if not req.marker or req.marker.evaluate({'extra': extra}):
+                    yield req
+
+        common = types.MappingProxyType(dict.fromkeys(reqs_for_extra(None)))
+        dm[None].extend(common)
+
+        for extra in self._parsed_pkg_info.get_all('Provides-Extra') or []:
+            s_extra = safe_extra(extra.strip())
+            dm[s_extra] = [r for r in reqs_for_extra(extra) if r not in common]
+
+        return dm
+
+
+_distributionImpl = {
+    '.egg': Distribution,
+    '.egg-info': EggInfoDistribution,
+    '.dist-info': DistInfoDistribution,
+}
+
+
+def issue_warning(*args, **kw):
+    level = 1
+    g = globals()
+    try:
+        # find the first stack frame that is *not* code in
+        # the pkg_resources module, to use for the warning
+        while sys._getframe(level).f_globals is g:
+            level += 1
+    except ValueError:
+        pass
+    warnings.warn(stacklevel=level + 1, *args, **kw)
+
+
+def parse_requirements(strs):
+    """
+    Yield ``Requirement`` objects for each specification in `strs`.
+
+    `strs` must be a string, or a (possibly-nested) iterable thereof.
+    """
+    return map(Requirement, join_continuation(map(drop_comment, yield_lines(strs))))
+
+
+class RequirementParseError(packaging.requirements.InvalidRequirement):
+    "Compatibility wrapper for InvalidRequirement"
+
+
+class Requirement(packaging.requirements.Requirement):
+    def __init__(self, requirement_string):
+        """DO NOT CALL THIS UNDOCUMENTED METHOD; use Requirement.parse()!"""
+        super(Requirement, self).__init__(requirement_string)
+        self.unsafe_name = self.name
+        project_name = safe_name(self.name)
+        self.project_name, self.key = project_name, project_name.lower()
+        self.specs = [(spec.operator, spec.version) for spec in self.specifier]
+        self.extras = tuple(map(safe_extra, self.extras))
+        self.hashCmp = (
+            self.key,
+            self.url,
+            self.specifier,
+            frozenset(self.extras),
+            str(self.marker) if self.marker else None,
+        )
+        self.__hash = hash(self.hashCmp)
+
+    def __eq__(self, other):
+        return isinstance(other, Requirement) and self.hashCmp == other.hashCmp
+
+    def __ne__(self, other):
+        return not self == other
+
+    def __contains__(self, item):
+        if isinstance(item, Distribution):
+            if item.key != self.key:
+                return False
+
+            item = item.version
+
+        # Allow prereleases always in order to match the previous behavior of
+        # this method. In the future this should be smarter and follow PEP 440
+        # more accurately.
+        return self.specifier.contains(item, prereleases=True)
+
+    def __hash__(self):
+        return self.__hash
+
+    def __repr__(self):
+        return "Requirement.parse(%r)" % str(self)
+
+    @staticmethod
+    def parse(s):
+        (req,) = parse_requirements(s)
+        return req
+
+
+def _always_object(classes):
+    """
+    Ensure object appears in the mro even
+    for old-style classes.
+    """
+    if object not in classes:
+        return classes + (object,)
+    return classes
+
+
+def _find_adapter(registry, ob):
+    """Return an adapter factory for `ob` from `registry`"""
+    types = _always_object(inspect.getmro(getattr(ob, '__class__', type(ob))))
+    for t in types:
+        if t in registry:
+            return registry[t]
+
+
+def ensure_directory(path):
+    """Ensure that the parent directory of `path` exists"""
+    dirname = os.path.dirname(path)
+    os.makedirs(dirname, exist_ok=True)
+
+
+def _bypass_ensure_directory(path):
+    """Sandbox-bypassing version of ensure_directory()"""
+    if not WRITE_SUPPORT:
+        raise IOError('"os.mkdir" not supported on this platform.')
+    dirname, filename = split(path)
+    if dirname and filename and not isdir(dirname):
+        _bypass_ensure_directory(dirname)
+        try:
+            mkdir(dirname, 0o755)
+        except FileExistsError:
+            pass
+
+
+def split_sections(s):
+    """Split a string or iterable thereof into (section, content) pairs
+
+    Each ``section`` is a stripped version of the section header ("[section]")
+    and each ``content`` is a list of stripped lines excluding blank lines and
+    comment-only lines.  If there are any such lines before the first section
+    header, they're returned in a first ``section`` of ``None``.
+    """
+    section = None
+    content = []
+    for line in yield_lines(s):
+        if line.startswith("["):
+            if line.endswith("]"):
+                if section or content:
+                    yield section, content
+                section = line[1:-1].strip()
+                content = []
+            else:
+                raise ValueError("Invalid section heading", line)
+        else:
+            content.append(line)
+
+    # wrap up last segment
+    yield section, content
+
+
+def _mkstemp(*args, **kw):
+    old_open = os.open
+    try:
+        # temporarily bypass sandboxing
+        os.open = os_open
+        return tempfile.mkstemp(*args, **kw)
+    finally:
+        # and then put it back
+        os.open = old_open
+
+
+# Silence the PEP440Warning by default, so that end users don't get hit by it
+# randomly just because they use pkg_resources. We want to append the rule
+# because we want earlier uses of filterwarnings to take precedence over this
+# one.
+warnings.filterwarnings("ignore", category=PEP440Warning, append=True)
+
+
+# from jaraco.functools 1.3
+def _call_aside(f, *args, **kwargs):
+    f(*args, **kwargs)
+    return f
+
+
+@_call_aside
+def _initialize(g=globals()):
+    "Set up global resource manager (deliberately not state-saved)"
+    manager = ResourceManager()
+    g['_manager'] = manager
+    g.update(
+        (name, getattr(manager, name))
+        for name in dir(manager)
+        if not name.startswith('_')
+    )
+
+
+class PkgResourcesDeprecationWarning(Warning):
+    """
+    Base class for warning about deprecations in ``pkg_resources``
+
+    This class is not derived from ``DeprecationWarning``, and as such is
+    visible by default.
+    """
+
+
+@_call_aside
+def _initialize_master_working_set():
+    """
+    Prepare the master working set and make the ``require()``
+    API available.
+
+    This function has explicit effects on the global state
+    of pkg_resources. It is intended to be invoked once at
+    the initialization of this module.
+
+    Invocation by other packages is unsupported and done
+    at their own risk.
+    """
+    working_set = WorkingSet._build_master()
+    _declare_state('object', working_set=working_set)
+
+    require = working_set.require
+    iter_entry_points = working_set.iter_entry_points
+    add_activation_listener = working_set.subscribe
+    run_script = working_set.run_script
+    # backward compatibility
+    run_main = run_script
+    # Activate all distributions already on sys.path with replace=False and
+    # ensure that all distributions added to the working set in the future
+    # (e.g. by calling ``require()``) will get activated as well,
+    # with higher priority (replace=True).
+    tuple(dist.activate(replace=False) for dist in working_set)
+    add_activation_listener(
+        lambda dist: dist.activate(replace=True),
+        existing=False,
+    )
+    working_set.entries = []
+    # match order
+    list(map(working_set.add_entry, sys.path))
+    globals().update(locals())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pkg_resources/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pkg_resources/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..e8686975
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pkg_resources/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__init__.py
new file mode 100644
index 00000000..5ebf5957
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__init__.py
@@ -0,0 +1,566 @@
+"""
+Utilities for determining application-specific dirs. See <https://github.com/platformdirs/platformdirs> for details and
+usage.
+"""
+from __future__ import annotations
+
+import os
+import sys
+from typing import TYPE_CHECKING
+
+from .api import PlatformDirsABC
+from .version import __version__
+from .version import __version_tuple__ as __version_info__
+
+if TYPE_CHECKING:
+    from pathlib import Path
+
+    if sys.version_info >= (3, 8):  # pragma: no cover (py38+)
+        from typing import Literal
+    else:  # pragma: no cover (py38+)
+        from pip._vendor.typing_extensions import Literal
+
+
+def _set_platform_dir_class() -> type[PlatformDirsABC]:
+    if sys.platform == "win32":
+        from pip._vendor.platformdirs.windows import Windows as Result
+    elif sys.platform == "darwin":
+        from pip._vendor.platformdirs.macos import MacOS as Result
+    else:
+        from pip._vendor.platformdirs.unix import Unix as Result
+
+    if os.getenv("ANDROID_DATA") == "/data" and os.getenv("ANDROID_ROOT") == "/system":
+        if os.getenv("SHELL") or os.getenv("PREFIX"):
+            return Result
+
+        from pip._vendor.platformdirs.android import _android_folder
+
+        if _android_folder() is not None:
+            from pip._vendor.platformdirs.android import Android
+
+            return Android  # return to avoid redefinition of result
+
+    return Result
+
+
+PlatformDirs = _set_platform_dir_class()  #: Currently active platform
+AppDirs = PlatformDirs  #: Backwards compatibility with appdirs
+
+
+def user_data_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    roaming: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: data directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        roaming=roaming,
+        ensure_exists=ensure_exists,
+    ).user_data_dir
+
+
+def site_data_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    multipath: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param multipath: See `roaming <platformdirs.api.PlatformDirsABC.multipath>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: data directory shared by users
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        multipath=multipath,
+        ensure_exists=ensure_exists,
+    ).site_data_dir
+
+
+def user_config_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    roaming: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: config directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        roaming=roaming,
+        ensure_exists=ensure_exists,
+    ).user_config_dir
+
+
+def site_config_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    multipath: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param multipath: See `roaming <platformdirs.api.PlatformDirsABC.multipath>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: config directory shared by the users
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        multipath=multipath,
+        ensure_exists=ensure_exists,
+    ).site_config_dir
+
+
+def user_cache_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: cache directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).user_cache_dir
+
+
+def site_cache_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: cache directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).site_cache_dir
+
+
+def user_state_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    roaming: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: state directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        roaming=roaming,
+        ensure_exists=ensure_exists,
+    ).user_state_dir
+
+
+def user_log_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: log directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).user_log_dir
+
+
+def user_documents_dir() -> str:
+    """:returns: documents directory tied to the user"""
+    return PlatformDirs().user_documents_dir
+
+
+def user_downloads_dir() -> str:
+    """:returns: downloads directory tied to the user"""
+    return PlatformDirs().user_downloads_dir
+
+
+def user_pictures_dir() -> str:
+    """:returns: pictures directory tied to the user"""
+    return PlatformDirs().user_pictures_dir
+
+
+def user_videos_dir() -> str:
+    """:returns: videos directory tied to the user"""
+    return PlatformDirs().user_videos_dir
+
+
+def user_music_dir() -> str:
+    """:returns: music directory tied to the user"""
+    return PlatformDirs().user_music_dir
+
+
+def user_runtime_dir(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> str:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: runtime directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).user_runtime_dir
+
+
+def user_data_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    roaming: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: data path tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        roaming=roaming,
+        ensure_exists=ensure_exists,
+    ).user_data_path
+
+
+def site_data_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    multipath: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param multipath: See `multipath <platformdirs.api.PlatformDirsABC.multipath>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: data path shared by users
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        multipath=multipath,
+        ensure_exists=ensure_exists,
+    ).site_data_path
+
+
+def user_config_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    roaming: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: config path tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        roaming=roaming,
+        ensure_exists=ensure_exists,
+    ).user_config_path
+
+
+def site_config_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    multipath: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param multipath: See `roaming <platformdirs.api.PlatformDirsABC.multipath>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: config path shared by the users
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        multipath=multipath,
+        ensure_exists=ensure_exists,
+    ).site_config_path
+
+
+def site_cache_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: cache directory tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).site_cache_path
+
+
+def user_cache_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: cache path tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).user_cache_path
+
+
+def user_state_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    roaming: bool = False,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: state path tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        roaming=roaming,
+        ensure_exists=ensure_exists,
+    ).user_state_path
+
+
+def user_log_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: log path tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).user_log_path
+
+
+def user_documents_path() -> Path:
+    """:returns: documents path tied to the user"""
+    return PlatformDirs().user_documents_path
+
+
+def user_downloads_path() -> Path:
+    """:returns: downloads path tied to the user"""
+    return PlatformDirs().user_downloads_path
+
+
+def user_pictures_path() -> Path:
+    """:returns: pictures path tied to the user"""
+    return PlatformDirs().user_pictures_path
+
+
+def user_videos_path() -> Path:
+    """:returns: videos path tied to the user"""
+    return PlatformDirs().user_videos_path
+
+
+def user_music_path() -> Path:
+    """:returns: music path tied to the user"""
+    return PlatformDirs().user_music_path
+
+
+def user_runtime_path(
+    appname: str | None = None,
+    appauthor: str | None | Literal[False] = None,
+    version: str | None = None,
+    opinion: bool = True,  # noqa: FBT001, FBT002
+    ensure_exists: bool = False,  # noqa: FBT001, FBT002
+) -> Path:
+    """
+    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
+    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
+    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
+    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
+    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    :returns: runtime path tied to the user
+    """
+    return PlatformDirs(
+        appname=appname,
+        appauthor=appauthor,
+        version=version,
+        opinion=opinion,
+        ensure_exists=ensure_exists,
+    ).user_runtime_path
+
+
+__all__ = [
+    "__version__",
+    "__version_info__",
+    "PlatformDirs",
+    "AppDirs",
+    "PlatformDirsABC",
+    "user_data_dir",
+    "user_config_dir",
+    "user_cache_dir",
+    "user_state_dir",
+    "user_log_dir",
+    "user_documents_dir",
+    "user_downloads_dir",
+    "user_pictures_dir",
+    "user_videos_dir",
+    "user_music_dir",
+    "user_runtime_dir",
+    "site_data_dir",
+    "site_config_dir",
+    "site_cache_dir",
+    "user_data_path",
+    "user_config_path",
+    "user_cache_path",
+    "user_state_path",
+    "user_log_path",
+    "user_documents_path",
+    "user_downloads_path",
+    "user_pictures_path",
+    "user_videos_path",
+    "user_music_path",
+    "user_runtime_path",
+    "site_data_path",
+    "site_config_path",
+    "site_cache_path",
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__main__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__main__.py
new file mode 100644
index 00000000..6a0d6dd1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__main__.py
@@ -0,0 +1,53 @@
+"""Main entry point."""
+from __future__ import annotations
+
+from pip._vendor.platformdirs import PlatformDirs, __version__
+
+PROPS = (
+    "user_data_dir",
+    "user_config_dir",
+    "user_cache_dir",
+    "user_state_dir",
+    "user_log_dir",
+    "user_documents_dir",
+    "user_downloads_dir",
+    "user_pictures_dir",
+    "user_videos_dir",
+    "user_music_dir",
+    "user_runtime_dir",
+    "site_data_dir",
+    "site_config_dir",
+    "site_cache_dir",
+)
+
+
+def main() -> None:
+    """Run main entry point."""
+    app_name = "MyApp"
+    app_author = "MyCompany"
+
+    print(f"-- platformdirs {__version__} --")  # noqa: T201
+
+    print("-- app dirs (with optional 'version')")  # noqa: T201
+    dirs = PlatformDirs(app_name, app_author, version="1.0")
+    for prop in PROPS:
+        print(f"{prop}: {getattr(dirs, prop)}")  # noqa: T201
+
+    print("\n-- app dirs (without optional 'version')")  # noqa: T201
+    dirs = PlatformDirs(app_name, app_author)
+    for prop in PROPS:
+        print(f"{prop}: {getattr(dirs, prop)}")  # noqa: T201
+
+    print("\n-- app dirs (without optional 'appauthor')")  # noqa: T201
+    dirs = PlatformDirs(app_name)
+    for prop in PROPS:
+        print(f"{prop}: {getattr(dirs, prop)}")  # noqa: T201
+
+    print("\n-- app dirs (with disabled 'appauthor')")  # noqa: T201
+    dirs = PlatformDirs(app_name, appauthor=False)
+    for prop in PROPS:
+        print(f"{prop}: {getattr(dirs, prop)}")  # noqa: T201
+
+
+if __name__ == "__main__":
+    main()
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__pycache__/windows.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/__pycache__/windows.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/android.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/android.py
new file mode 100644
index 00000000..76527dda
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/android.py
@@ -0,0 +1,210 @@
+"""Android."""
+from __future__ import annotations
+
+import os
+import re
+import sys
+from functools import lru_cache
+from typing import cast
+
+from .api import PlatformDirsABC
+
+
+class Android(PlatformDirsABC):
+    """
+    Follows the guidance `from here <https://android.stackexchange.com/a/216132>`_. Makes use of the
+    `appname <platformdirs.api.PlatformDirsABC.appname>`,
+    `version <platformdirs.api.PlatformDirsABC.version>`,
+    `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    """
+
+    @property
+    def user_data_dir(self) -> str:
+        """:return: data directory tied to the user, e.g. ``/data/user/<userid>/<packagename>/files/<AppName>``"""
+        return self._append_app_name_and_version(cast(str, _android_folder()), "files")
+
+    @property
+    def site_data_dir(self) -> str:
+        """:return: data directory shared by users, same as `user_data_dir`"""
+        return self.user_data_dir
+
+    @property
+    def user_config_dir(self) -> str:
+        """
+        :return: config directory tied to the user, e.g. \
+        ``/data/user/<userid>/<packagename>/shared_prefs/<AppName>``
+        """
+        return self._append_app_name_and_version(cast(str, _android_folder()), "shared_prefs")
+
+    @property
+    def site_config_dir(self) -> str:
+        """:return: config directory shared by the users, same as `user_config_dir`"""
+        return self.user_config_dir
+
+    @property
+    def user_cache_dir(self) -> str:
+        """:return: cache directory tied to the user, e.g. e.g. ``/data/user/<userid>/<packagename>/cache/<AppName>``"""
+        return self._append_app_name_and_version(cast(str, _android_folder()), "cache")
+
+    @property
+    def site_cache_dir(self) -> str:
+        """:return: cache directory shared by users, same as `user_cache_dir`"""
+        return self.user_cache_dir
+
+    @property
+    def user_state_dir(self) -> str:
+        """:return: state directory tied to the user, same as `user_data_dir`"""
+        return self.user_data_dir
+
+    @property
+    def user_log_dir(self) -> str:
+        """
+        :return: log directory tied to the user, same as `user_cache_dir` if not opinionated else ``log`` in it,
+          e.g. ``/data/user/<userid>/<packagename>/cache/<AppName>/log``
+        """
+        path = self.user_cache_dir
+        if self.opinion:
+            path = os.path.join(path, "log")  # noqa: PTH118
+        return path
+
+    @property
+    def user_documents_dir(self) -> str:
+        """:return: documents directory tied to the user e.g. ``/storage/emulated/0/Documents``"""
+        return _android_documents_folder()
+
+    @property
+    def user_downloads_dir(self) -> str:
+        """:return: downloads directory tied to the user e.g. ``/storage/emulated/0/Downloads``"""
+        return _android_downloads_folder()
+
+    @property
+    def user_pictures_dir(self) -> str:
+        """:return: pictures directory tied to the user e.g. ``/storage/emulated/0/Pictures``"""
+        return _android_pictures_folder()
+
+    @property
+    def user_videos_dir(self) -> str:
+        """:return: videos directory tied to the user e.g. ``/storage/emulated/0/DCIM/Camera``"""
+        return _android_videos_folder()
+
+    @property
+    def user_music_dir(self) -> str:
+        """:return: music directory tied to the user e.g. ``/storage/emulated/0/Music``"""
+        return _android_music_folder()
+
+    @property
+    def user_runtime_dir(self) -> str:
+        """
+        :return: runtime directory tied to the user, same as `user_cache_dir` if not opinionated else ``tmp`` in it,
+          e.g. ``/data/user/<userid>/<packagename>/cache/<AppName>/tmp``
+        """
+        path = self.user_cache_dir
+        if self.opinion:
+            path = os.path.join(path, "tmp")  # noqa: PTH118
+        return path
+
+
+@lru_cache(maxsize=1)
+def _android_folder() -> str | None:
+    """:return: base folder for the Android OS or None if it cannot be found"""
+    try:
+        # First try to get path to android app via pyjnius
+        from jnius import autoclass
+
+        context = autoclass("android.content.Context")
+        result: str | None = context.getFilesDir().getParentFile().getAbsolutePath()
+    except Exception:  # noqa: BLE001
+        # if fails find an android folder looking path on the sys.path
+        pattern = re.compile(r"/data/(data|user/\d+)/(.+)/files")
+        for path in sys.path:
+            if pattern.match(path):
+                result = path.split("/files")[0]
+                break
+        else:
+            result = None
+    return result
+
+
+@lru_cache(maxsize=1)
+def _android_documents_folder() -> str:
+    """:return: documents folder for the Android OS"""
+    # Get directories with pyjnius
+    try:
+        from jnius import autoclass
+
+        context = autoclass("android.content.Context")
+        environment = autoclass("android.os.Environment")
+        documents_dir: str = context.getExternalFilesDir(environment.DIRECTORY_DOCUMENTS).getAbsolutePath()
+    except Exception:  # noqa: BLE001
+        documents_dir = "/storage/emulated/0/Documents"
+
+    return documents_dir
+
+
+@lru_cache(maxsize=1)
+def _android_downloads_folder() -> str:
+    """:return: downloads folder for the Android OS"""
+    # Get directories with pyjnius
+    try:
+        from jnius import autoclass
+
+        context = autoclass("android.content.Context")
+        environment = autoclass("android.os.Environment")
+        downloads_dir: str = context.getExternalFilesDir(environment.DIRECTORY_DOWNLOADS).getAbsolutePath()
+    except Exception:  # noqa: BLE001
+        downloads_dir = "/storage/emulated/0/Downloads"
+
+    return downloads_dir
+
+
+@lru_cache(maxsize=1)
+def _android_pictures_folder() -> str:
+    """:return: pictures folder for the Android OS"""
+    # Get directories with pyjnius
+    try:
+        from jnius import autoclass
+
+        context = autoclass("android.content.Context")
+        environment = autoclass("android.os.Environment")
+        pictures_dir: str = context.getExternalFilesDir(environment.DIRECTORY_PICTURES).getAbsolutePath()
+    except Exception:  # noqa: BLE001
+        pictures_dir = "/storage/emulated/0/Pictures"
+
+    return pictures_dir
+
+
+@lru_cache(maxsize=1)
+def _android_videos_folder() -> str:
+    """:return: videos folder for the Android OS"""
+    # Get directories with pyjnius
+    try:
+        from jnius import autoclass
+
+        context = autoclass("android.content.Context")
+        environment = autoclass("android.os.Environment")
+        videos_dir: str = context.getExternalFilesDir(environment.DIRECTORY_DCIM).getAbsolutePath()
+    except Exception:  # noqa: BLE001
+        videos_dir = "/storage/emulated/0/DCIM/Camera"
+
+    return videos_dir
+
+
+@lru_cache(maxsize=1)
+def _android_music_folder() -> str:
+    """:return: music folder for the Android OS"""
+    # Get directories with pyjnius
+    try:
+        from jnius import autoclass
+
+        context = autoclass("android.content.Context")
+        environment = autoclass("android.os.Environment")
+        music_dir: str = context.getExternalFilesDir(environment.DIRECTORY_MUSIC).getAbsolutePath()
+    except Exception:  # noqa: BLE001
+        music_dir = "/storage/emulated/0/Music"
+
+    return music_dir
+
+
+__all__ = [
+    "Android",
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/api.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/api.py
new file mode 100644
index 00000000..d64ebb9d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/api.py
@@ -0,0 +1,223 @@
+"""Base API."""
+from __future__ import annotations
+
+import os
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    import sys
+
+    if sys.version_info >= (3, 8):  # pragma: no cover (py38+)
+        from typing import Literal
+    else:  # pragma: no cover (py38+)
+        from pip._vendor.typing_extensions import Literal
+
+
+class PlatformDirsABC(ABC):
+    """Abstract base class for platform directories."""
+
+    def __init__(  # noqa: PLR0913
+        self,
+        appname: str | None = None,
+        appauthor: str | None | Literal[False] = None,
+        version: str | None = None,
+        roaming: bool = False,  # noqa: FBT001, FBT002
+        multipath: bool = False,  # noqa: FBT001, FBT002
+        opinion: bool = True,  # noqa: FBT001, FBT002
+        ensure_exists: bool = False,  # noqa: FBT001, FBT002
+    ) -> None:
+        """
+        Create a new platform directory.
+
+        :param appname: See `appname`.
+        :param appauthor: See `appauthor`.
+        :param version: See `version`.
+        :param roaming: See `roaming`.
+        :param multipath: See `multipath`.
+        :param opinion: See `opinion`.
+        :param ensure_exists: See `ensure_exists`.
+        """
+        self.appname = appname  #: The name of application.
+        self.appauthor = appauthor
+        """
+        The name of the app author or distributing body for this application. Typically, it is the owning company name.
+        Defaults to `appname`. You may pass ``False`` to disable it.
+        """
+        self.version = version
+        """
+        An optional version path element to append to the path. You might want to use this if you want multiple versions
+        of your app to be able to run independently. If used, this would typically be ``<major>.<minor>``.
+        """
+        self.roaming = roaming
+        """
+        Whether to use the roaming appdata directory on Windows. That means that for users on a Windows network setup
+        for roaming profiles, this user data will be synced on login (see
+        `here <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>`_).
+        """
+        self.multipath = multipath
+        """
+        An optional parameter only applicable to Unix/Linux which indicates that the entire list of data dirs should be
+        returned. By default, the first item would only be returned.
+        """
+        self.opinion = opinion  #: A flag to indicating to use opinionated values.
+        self.ensure_exists = ensure_exists
+        """
+        Optionally create the directory (and any missing parents) upon access if it does not exist.
+        By default, no directories are created.
+        """
+
+    def _append_app_name_and_version(self, *base: str) -> str:
+        params = list(base[1:])
+        if self.appname:
+            params.append(self.appname)
+            if self.version:
+                params.append(self.version)
+        path = os.path.join(base[0], *params)  # noqa: PTH118
+        self._optionally_create_directory(path)
+        return path
+
+    def _optionally_create_directory(self, path: str) -> None:
+        if self.ensure_exists:
+            Path(path).mkdir(parents=True, exist_ok=True)
+
+    @property
+    @abstractmethod
+    def user_data_dir(self) -> str:
+        """:return: data directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def site_data_dir(self) -> str:
+        """:return: data directory shared by users"""
+
+    @property
+    @abstractmethod
+    def user_config_dir(self) -> str:
+        """:return: config directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def site_config_dir(self) -> str:
+        """:return: config directory shared by the users"""
+
+    @property
+    @abstractmethod
+    def user_cache_dir(self) -> str:
+        """:return: cache directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def site_cache_dir(self) -> str:
+        """:return: cache directory shared by users"""
+
+    @property
+    @abstractmethod
+    def user_state_dir(self) -> str:
+        """:return: state directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def user_log_dir(self) -> str:
+        """:return: log directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def user_documents_dir(self) -> str:
+        """:return: documents directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def user_downloads_dir(self) -> str:
+        """:return: downloads directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def user_pictures_dir(self) -> str:
+        """:return: pictures directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def user_videos_dir(self) -> str:
+        """:return: videos directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def user_music_dir(self) -> str:
+        """:return: music directory tied to the user"""
+
+    @property
+    @abstractmethod
+    def user_runtime_dir(self) -> str:
+        """:return: runtime directory tied to the user"""
+
+    @property
+    def user_data_path(self) -> Path:
+        """:return: data path tied to the user"""
+        return Path(self.user_data_dir)
+
+    @property
+    def site_data_path(self) -> Path:
+        """:return: data path shared by users"""
+        return Path(self.site_data_dir)
+
+    @property
+    def user_config_path(self) -> Path:
+        """:return: config path tied to the user"""
+        return Path(self.user_config_dir)
+
+    @property
+    def site_config_path(self) -> Path:
+        """:return: config path shared by the users"""
+        return Path(self.site_config_dir)
+
+    @property
+    def user_cache_path(self) -> Path:
+        """:return: cache path tied to the user"""
+        return Path(self.user_cache_dir)
+
+    @property
+    def site_cache_path(self) -> Path:
+        """:return: cache path shared by users"""
+        return Path(self.site_cache_dir)
+
+    @property
+    def user_state_path(self) -> Path:
+        """:return: state path tied to the user"""
+        return Path(self.user_state_dir)
+
+    @property
+    def user_log_path(self) -> Path:
+        """:return: log path tied to the user"""
+        return Path(self.user_log_dir)
+
+    @property
+    def user_documents_path(self) -> Path:
+        """:return: documents path tied to the user"""
+        return Path(self.user_documents_dir)
+
+    @property
+    def user_downloads_path(self) -> Path:
+        """:return: downloads path tied to the user"""
+        return Path(self.user_downloads_dir)
+
+    @property
+    def user_pictures_path(self) -> Path:
+        """:return: pictures path tied to the user"""
+        return Path(self.user_pictures_dir)
+
+    @property
+    def user_videos_path(self) -> Path:
+        """:return: videos path tied to the user"""
+        return Path(self.user_videos_dir)
+
+    @property
+    def user_music_path(self) -> Path:
+        """:return: music path tied to the user"""
+        return Path(self.user_music_dir)
+
+    @property
+    def user_runtime_path(self) -> Path:
+        """:return: runtime path tied to the user"""
+        return Path(self.user_runtime_dir)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/macos.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/macos.py
new file mode 100644
index 00000000..a753e2a3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/macos.py
@@ -0,0 +1,91 @@
+"""macOS."""
+from __future__ import annotations
+
+import os.path
+
+from .api import PlatformDirsABC
+
+
+class MacOS(PlatformDirsABC):
+    """
+    Platform directories for the macOS operating system. Follows the guidance from `Apple documentation
+    <https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/FileSystemProgrammingGuide/MacOSXDirectories/MacOSXDirectories.html>`_.
+    Makes use of the `appname <platformdirs.api.PlatformDirsABC.appname>`,
+    `version <platformdirs.api.PlatformDirsABC.version>`,
+    `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    """
+
+    @property
+    def user_data_dir(self) -> str:
+        """:return: data directory tied to the user, e.g. ``~/Library/Application Support/$appname/$version``"""
+        return self._append_app_name_and_version(os.path.expanduser("~/Library/Application Support"))  # noqa: PTH111
+
+    @property
+    def site_data_dir(self) -> str:
+        """:return: data directory shared by users, e.g. ``/Library/Application Support/$appname/$version``"""
+        return self._append_app_name_and_version("/Library/Application Support")
+
+    @property
+    def user_config_dir(self) -> str:
+        """:return: config directory tied to the user, same as `user_data_dir`"""
+        return self.user_data_dir
+
+    @property
+    def site_config_dir(self) -> str:
+        """:return: config directory shared by the users, same as `site_data_dir`"""
+        return self.site_data_dir
+
+    @property
+    def user_cache_dir(self) -> str:
+        """:return: cache directory tied to the user, e.g. ``~/Library/Caches/$appname/$version``"""
+        return self._append_app_name_and_version(os.path.expanduser("~/Library/Caches"))  # noqa: PTH111
+
+    @property
+    def site_cache_dir(self) -> str:
+        """:return: cache directory shared by users, e.g. ``/Library/Caches/$appname/$version``"""
+        return self._append_app_name_and_version("/Library/Caches")
+
+    @property
+    def user_state_dir(self) -> str:
+        """:return: state directory tied to the user, same as `user_data_dir`"""
+        return self.user_data_dir
+
+    @property
+    def user_log_dir(self) -> str:
+        """:return: log directory tied to the user, e.g. ``~/Library/Logs/$appname/$version``"""
+        return self._append_app_name_and_version(os.path.expanduser("~/Library/Logs"))  # noqa: PTH111
+
+    @property
+    def user_documents_dir(self) -> str:
+        """:return: documents directory tied to the user, e.g. ``~/Documents``"""
+        return os.path.expanduser("~/Documents")  # noqa: PTH111
+
+    @property
+    def user_downloads_dir(self) -> str:
+        """:return: downloads directory tied to the user, e.g. ``~/Downloads``"""
+        return os.path.expanduser("~/Downloads")  # noqa: PTH111
+
+    @property
+    def user_pictures_dir(self) -> str:
+        """:return: pictures directory tied to the user, e.g. ``~/Pictures``"""
+        return os.path.expanduser("~/Pictures")  # noqa: PTH111
+
+    @property
+    def user_videos_dir(self) -> str:
+        """:return: videos directory tied to the user, e.g. ``~/Movies``"""
+        return os.path.expanduser("~/Movies")  # noqa: PTH111
+
+    @property
+    def user_music_dir(self) -> str:
+        """:return: music directory tied to the user, e.g. ``~/Music``"""
+        return os.path.expanduser("~/Music")  # noqa: PTH111
+
+    @property
+    def user_runtime_dir(self) -> str:
+        """:return: runtime directory tied to the user, e.g. ``~/Library/Caches/TemporaryItems/$appname/$version``"""
+        return self._append_app_name_and_version(os.path.expanduser("~/Library/Caches/TemporaryItems"))  # noqa: PTH111
+
+
+__all__ = [
+    "MacOS",
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/unix.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/unix.py
new file mode 100644
index 00000000..468b0ab4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/unix.py
@@ -0,0 +1,223 @@
+"""Unix."""
+from __future__ import annotations
+
+import os
+import sys
+from configparser import ConfigParser
+from pathlib import Path
+
+from .api import PlatformDirsABC
+
+if sys.platform == "win32":
+
+    def getuid() -> int:
+        msg = "should only be used on Unix"
+        raise RuntimeError(msg)
+
+else:
+    from os import getuid
+
+
+class Unix(PlatformDirsABC):
+    """
+    On Unix/Linux, we follow the
+    `XDG Basedir Spec <https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html>`_. The spec allows
+    overriding directories with environment variables. The examples show are the default values, alongside the name of
+    the environment variable that overrides them. Makes use of the
+    `appname <platformdirs.api.PlatformDirsABC.appname>`,
+    `version <platformdirs.api.PlatformDirsABC.version>`,
+    `multipath <platformdirs.api.PlatformDirsABC.multipath>`,
+    `opinion <platformdirs.api.PlatformDirsABC.opinion>`,
+    `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    """
+
+    @property
+    def user_data_dir(self) -> str:
+        """
+        :return: data directory tied to the user, e.g. ``~/.local/share/$appname/$version`` or
+         ``$XDG_DATA_HOME/$appname/$version``
+        """
+        path = os.environ.get("XDG_DATA_HOME", "")
+        if not path.strip():
+            path = os.path.expanduser("~/.local/share")  # noqa: PTH111
+        return self._append_app_name_and_version(path)
+
+    @property
+    def site_data_dir(self) -> str:
+        """
+        :return: data directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is
+         enabled and ``XDG_DATA_DIR`` is set and a multi path the response is also a multi path separated by the OS
+         path separator), e.g. ``/usr/local/share/$appname/$version`` or ``/usr/share/$appname/$version``
+        """
+        # XDG default for $XDG_DATA_DIRS; only first, if multipath is False
+        path = os.environ.get("XDG_DATA_DIRS", "")
+        if not path.strip():
+            path = f"/usr/local/share{os.pathsep}/usr/share"
+        return self._with_multi_path(path)
+
+    def _with_multi_path(self, path: str) -> str:
+        path_list = path.split(os.pathsep)
+        if not self.multipath:
+            path_list = path_list[0:1]
+        path_list = [self._append_app_name_and_version(os.path.expanduser(p)) for p in path_list]  # noqa: PTH111
+        return os.pathsep.join(path_list)
+
+    @property
+    def user_config_dir(self) -> str:
+        """
+        :return: config directory tied to the user, e.g. ``~/.config/$appname/$version`` or
+         ``$XDG_CONFIG_HOME/$appname/$version``
+        """
+        path = os.environ.get("XDG_CONFIG_HOME", "")
+        if not path.strip():
+            path = os.path.expanduser("~/.config")  # noqa: PTH111
+        return self._append_app_name_and_version(path)
+
+    @property
+    def site_config_dir(self) -> str:
+        """
+        :return: config directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>`
+         is enabled and ``XDG_DATA_DIR`` is set and a multi path the response is also a multi path separated by the OS
+         path separator), e.g. ``/etc/xdg/$appname/$version``
+        """
+        # XDG default for $XDG_CONFIG_DIRS only first, if multipath is False
+        path = os.environ.get("XDG_CONFIG_DIRS", "")
+        if not path.strip():
+            path = "/etc/xdg"
+        return self._with_multi_path(path)
+
+    @property
+    def user_cache_dir(self) -> str:
+        """
+        :return: cache directory tied to the user, e.g. ``~/.cache/$appname/$version`` or
+         ``~/$XDG_CACHE_HOME/$appname/$version``
+        """
+        path = os.environ.get("XDG_CACHE_HOME", "")
+        if not path.strip():
+            path = os.path.expanduser("~/.cache")  # noqa: PTH111
+        return self._append_app_name_and_version(path)
+
+    @property
+    def site_cache_dir(self) -> str:
+        """:return: cache directory shared by users, e.g. ``/var/tmp/$appname/$version``"""
+        return self._append_app_name_and_version("/var/tmp")  # noqa: S108
+
+    @property
+    def user_state_dir(self) -> str:
+        """
+        :return: state directory tied to the user, e.g. ``~/.local/state/$appname/$version`` or
+         ``$XDG_STATE_HOME/$appname/$version``
+        """
+        path = os.environ.get("XDG_STATE_HOME", "")
+        if not path.strip():
+            path = os.path.expanduser("~/.local/state")  # noqa: PTH111
+        return self._append_app_name_and_version(path)
+
+    @property
+    def user_log_dir(self) -> str:
+        """:return: log directory tied to the user, same as `user_state_dir` if not opinionated else ``log`` in it"""
+        path = self.user_state_dir
+        if self.opinion:
+            path = os.path.join(path, "log")  # noqa: PTH118
+        return path
+
+    @property
+    def user_documents_dir(self) -> str:
+        """:return: documents directory tied to the user, e.g. ``~/Documents``"""
+        return _get_user_media_dir("XDG_DOCUMENTS_DIR", "~/Documents")
+
+    @property
+    def user_downloads_dir(self) -> str:
+        """:return: downloads directory tied to the user, e.g. ``~/Downloads``"""
+        return _get_user_media_dir("XDG_DOWNLOAD_DIR", "~/Downloads")
+
+    @property
+    def user_pictures_dir(self) -> str:
+        """:return: pictures directory tied to the user, e.g. ``~/Pictures``"""
+        return _get_user_media_dir("XDG_PICTURES_DIR", "~/Pictures")
+
+    @property
+    def user_videos_dir(self) -> str:
+        """:return: videos directory tied to the user, e.g. ``~/Videos``"""
+        return _get_user_media_dir("XDG_VIDEOS_DIR", "~/Videos")
+
+    @property
+    def user_music_dir(self) -> str:
+        """:return: music directory tied to the user, e.g. ``~/Music``"""
+        return _get_user_media_dir("XDG_MUSIC_DIR", "~/Music")
+
+    @property
+    def user_runtime_dir(self) -> str:
+        """
+        :return: runtime directory tied to the user, e.g. ``/run/user/$(id -u)/$appname/$version`` or
+         ``$XDG_RUNTIME_DIR/$appname/$version``.
+
+         For FreeBSD/OpenBSD/NetBSD, it would return ``/var/run/user/$(id -u)/$appname/$version`` if
+         exists, otherwise ``/tmp/runtime-$(id -u)/$appname/$version``, if``$XDG_RUNTIME_DIR``
+         is not set.
+        """
+        path = os.environ.get("XDG_RUNTIME_DIR", "")
+        if not path.strip():
+            if sys.platform.startswith(("freebsd", "openbsd", "netbsd")):
+                path = f"/var/run/user/{getuid()}"
+                if not Path(path).exists():
+                    path = f"/tmp/runtime-{getuid()}"  # noqa: S108
+            else:
+                path = f"/run/user/{getuid()}"
+        return self._append_app_name_and_version(path)
+
+    @property
+    def site_data_path(self) -> Path:
+        """:return: data path shared by users. Only return first item, even if ``multipath`` is set to ``True``"""
+        return self._first_item_as_path_if_multipath(self.site_data_dir)
+
+    @property
+    def site_config_path(self) -> Path:
+        """:return: config path shared by the users. Only return first item, even if ``multipath`` is set to ``True``"""
+        return self._first_item_as_path_if_multipath(self.site_config_dir)
+
+    @property
+    def site_cache_path(self) -> Path:
+        """:return: cache path shared by users. Only return first item, even if ``multipath`` is set to ``True``"""
+        return self._first_item_as_path_if_multipath(self.site_cache_dir)
+
+    def _first_item_as_path_if_multipath(self, directory: str) -> Path:
+        if self.multipath:
+            # If multipath is True, the first path is returned.
+            directory = directory.split(os.pathsep)[0]
+        return Path(directory)
+
+
+def _get_user_media_dir(env_var: str, fallback_tilde_path: str) -> str:
+    media_dir = _get_user_dirs_folder(env_var)
+    if media_dir is None:
+        media_dir = os.environ.get(env_var, "").strip()
+        if not media_dir:
+            media_dir = os.path.expanduser(fallback_tilde_path)  # noqa: PTH111
+
+    return media_dir
+
+
+def _get_user_dirs_folder(key: str) -> str | None:
+    """Return directory from user-dirs.dirs config file. See https://freedesktop.org/wiki/Software/xdg-user-dirs/."""
+    user_dirs_config_path = Path(Unix().user_config_dir) / "user-dirs.dirs"
+    if user_dirs_config_path.exists():
+        parser = ConfigParser()
+
+        with user_dirs_config_path.open() as stream:
+            # Add fake section header, so ConfigParser doesn't complain
+            parser.read_string(f"[top]\n{stream.read()}")
+
+        if key not in parser["top"]:
+            return None
+
+        path = parser["top"][key].strip('"')
+        # Handle relative home paths
+        return path.replace("$HOME", os.path.expanduser("~"))  # noqa: PTH111
+
+    return None
+
+
+__all__ = [
+    "Unix",
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/version.py
new file mode 100644
index 00000000..dc8c44cf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/version.py
@@ -0,0 +1,4 @@
+# file generated by setuptools_scm
+# don't change, don't track in version control
+__version__ = version = '3.8.1'
+__version_tuple__ = version_tuple = (3, 8, 1)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/windows.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/windows.py
new file mode 100644
index 00000000..b52c9c6e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/platformdirs/windows.py
@@ -0,0 +1,255 @@
+"""Windows."""
+from __future__ import annotations
+
+import ctypes
+import os
+import sys
+from functools import lru_cache
+from typing import TYPE_CHECKING
+
+from .api import PlatformDirsABC
+
+if TYPE_CHECKING:
+    from collections.abc import Callable
+
+
+class Windows(PlatformDirsABC):
+    """
+    `MSDN on where to store app data files
+    <http://support.microsoft.com/default.aspx?scid=kb;en-us;310294#XSLTH3194121123120121120120>`_.
+    Makes use of the
+    `appname <platformdirs.api.PlatformDirsABC.appname>`,
+    `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`,
+    `version <platformdirs.api.PlatformDirsABC.version>`,
+    `roaming <platformdirs.api.PlatformDirsABC.roaming>`,
+    `opinion <platformdirs.api.PlatformDirsABC.opinion>`,
+    `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
+    """
+
+    @property
+    def user_data_dir(self) -> str:
+        """
+        :return: data directory tied to the user, e.g.
+         ``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname`` (not roaming) or
+         ``%USERPROFILE%\\AppData\\Roaming\\$appauthor\\$appname`` (roaming)
+        """
+        const = "CSIDL_APPDATA" if self.roaming else "CSIDL_LOCAL_APPDATA"
+        path = os.path.normpath(get_win_folder(const))
+        return self._append_parts(path)
+
+    def _append_parts(self, path: str, *, opinion_value: str | None = None) -> str:
+        params = []
+        if self.appname:
+            if self.appauthor is not False:
+                author = self.appauthor or self.appname
+                params.append(author)
+            params.append(self.appname)
+            if opinion_value is not None and self.opinion:
+                params.append(opinion_value)
+            if self.version:
+                params.append(self.version)
+        path = os.path.join(path, *params)  # noqa: PTH118
+        self._optionally_create_directory(path)
+        return path
+
+    @property
+    def site_data_dir(self) -> str:
+        """:return: data directory shared by users, e.g. ``C:\\ProgramData\\$appauthor\\$appname``"""
+        path = os.path.normpath(get_win_folder("CSIDL_COMMON_APPDATA"))
+        return self._append_parts(path)
+
+    @property
+    def user_config_dir(self) -> str:
+        """:return: config directory tied to the user, same as `user_data_dir`"""
+        return self.user_data_dir
+
+    @property
+    def site_config_dir(self) -> str:
+        """:return: config directory shared by the users, same as `site_data_dir`"""
+        return self.site_data_dir
+
+    @property
+    def user_cache_dir(self) -> str:
+        """
+        :return: cache directory tied to the user (if opinionated with ``Cache`` folder within ``$appname``) e.g.
+         ``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname\\Cache\\$version``
+        """
+        path = os.path.normpath(get_win_folder("CSIDL_LOCAL_APPDATA"))
+        return self._append_parts(path, opinion_value="Cache")
+
+    @property
+    def site_cache_dir(self) -> str:
+        """:return: cache directory shared by users, e.g. ``C:\\ProgramData\\$appauthor\\$appname\\Cache\\$version``"""
+        path = os.path.normpath(get_win_folder("CSIDL_COMMON_APPDATA"))
+        return self._append_parts(path, opinion_value="Cache")
+
+    @property
+    def user_state_dir(self) -> str:
+        """:return: state directory tied to the user, same as `user_data_dir`"""
+        return self.user_data_dir
+
+    @property
+    def user_log_dir(self) -> str:
+        """:return: log directory tied to the user, same as `user_data_dir` if not opinionated else ``Logs`` in it"""
+        path = self.user_data_dir
+        if self.opinion:
+            path = os.path.join(path, "Logs")  # noqa: PTH118
+            self._optionally_create_directory(path)
+        return path
+
+    @property
+    def user_documents_dir(self) -> str:
+        """:return: documents directory tied to the user e.g. ``%USERPROFILE%\\Documents``"""
+        return os.path.normpath(get_win_folder("CSIDL_PERSONAL"))
+
+    @property
+    def user_downloads_dir(self) -> str:
+        """:return: downloads directory tied to the user e.g. ``%USERPROFILE%\\Downloads``"""
+        return os.path.normpath(get_win_folder("CSIDL_DOWNLOADS"))
+
+    @property
+    def user_pictures_dir(self) -> str:
+        """:return: pictures directory tied to the user e.g. ``%USERPROFILE%\\Pictures``"""
+        return os.path.normpath(get_win_folder("CSIDL_MYPICTURES"))
+
+    @property
+    def user_videos_dir(self) -> str:
+        """:return: videos directory tied to the user e.g. ``%USERPROFILE%\\Videos``"""
+        return os.path.normpath(get_win_folder("CSIDL_MYVIDEO"))
+
+    @property
+    def user_music_dir(self) -> str:
+        """:return: music directory tied to the user e.g. ``%USERPROFILE%\\Music``"""
+        return os.path.normpath(get_win_folder("CSIDL_MYMUSIC"))
+
+    @property
+    def user_runtime_dir(self) -> str:
+        """
+        :return: runtime directory tied to the user, e.g.
+         ``%USERPROFILE%\\AppData\\Local\\Temp\\$appauthor\\$appname``
+        """
+        path = os.path.normpath(os.path.join(get_win_folder("CSIDL_LOCAL_APPDATA"), "Temp"))  # noqa: PTH118
+        return self._append_parts(path)
+
+
+def get_win_folder_from_env_vars(csidl_name: str) -> str:
+    """Get folder from environment variables."""
+    result = get_win_folder_if_csidl_name_not_env_var(csidl_name)
+    if result is not None:
+        return result
+
+    env_var_name = {
+        "CSIDL_APPDATA": "APPDATA",
+        "CSIDL_COMMON_APPDATA": "ALLUSERSPROFILE",
+        "CSIDL_LOCAL_APPDATA": "LOCALAPPDATA",
+    }.get(csidl_name)
+    if env_var_name is None:
+        msg = f"Unknown CSIDL name: {csidl_name}"
+        raise ValueError(msg)
+    result = os.environ.get(env_var_name)
+    if result is None:
+        msg = f"Unset environment variable: {env_var_name}"
+        raise ValueError(msg)
+    return result
+
+
+def get_win_folder_if_csidl_name_not_env_var(csidl_name: str) -> str | None:
+    """Get folder for a CSIDL name that does not exist as an environment variable."""
+    if csidl_name == "CSIDL_PERSONAL":
+        return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Documents")  # noqa: PTH118
+
+    if csidl_name == "CSIDL_DOWNLOADS":
+        return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Downloads")  # noqa: PTH118
+
+    if csidl_name == "CSIDL_MYPICTURES":
+        return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Pictures")  # noqa: PTH118
+
+    if csidl_name == "CSIDL_MYVIDEO":
+        return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Videos")  # noqa: PTH118
+
+    if csidl_name == "CSIDL_MYMUSIC":
+        return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Music")  # noqa: PTH118
+    return None
+
+
+def get_win_folder_from_registry(csidl_name: str) -> str:
+    """
+    Get folder from the registry.
+
+    This is a fallback technique at best. I'm not sure if using the registry for these guarantees us the correct answer
+    for all CSIDL_* names.
+    """
+    shell_folder_name = {
+        "CSIDL_APPDATA": "AppData",
+        "CSIDL_COMMON_APPDATA": "Common AppData",
+        "CSIDL_LOCAL_APPDATA": "Local AppData",
+        "CSIDL_PERSONAL": "Personal",
+        "CSIDL_DOWNLOADS": "{374DE290-123F-4565-9164-39C4925E467B}",
+        "CSIDL_MYPICTURES": "My Pictures",
+        "CSIDL_MYVIDEO": "My Video",
+        "CSIDL_MYMUSIC": "My Music",
+    }.get(csidl_name)
+    if shell_folder_name is None:
+        msg = f"Unknown CSIDL name: {csidl_name}"
+        raise ValueError(msg)
+    if sys.platform != "win32":  # only needed for mypy type checker to know that this code runs only on Windows
+        raise NotImplementedError
+    import winreg
+
+    key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders")
+    directory, _ = winreg.QueryValueEx(key, shell_folder_name)
+    return str(directory)
+
+
+def get_win_folder_via_ctypes(csidl_name: str) -> str:
+    """Get folder with ctypes."""
+    # There is no 'CSIDL_DOWNLOADS'.
+    # Use 'CSIDL_PROFILE' (40) and append the default folder 'Downloads' instead.
+    # https://learn.microsoft.com/en-us/windows/win32/shell/knownfolderid
+
+    csidl_const = {
+        "CSIDL_APPDATA": 26,
+        "CSIDL_COMMON_APPDATA": 35,
+        "CSIDL_LOCAL_APPDATA": 28,
+        "CSIDL_PERSONAL": 5,
+        "CSIDL_MYPICTURES": 39,
+        "CSIDL_MYVIDEO": 14,
+        "CSIDL_MYMUSIC": 13,
+        "CSIDL_DOWNLOADS": 40,
+    }.get(csidl_name)
+    if csidl_const is None:
+        msg = f"Unknown CSIDL name: {csidl_name}"
+        raise ValueError(msg)
+
+    buf = ctypes.create_unicode_buffer(1024)
+    windll = getattr(ctypes, "windll")  # noqa: B009 # using getattr to avoid false positive with mypy type checker
+    windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
+
+    # Downgrade to short path name if it has highbit chars.
+    if any(ord(c) > 255 for c in buf):  # noqa: PLR2004
+        buf2 = ctypes.create_unicode_buffer(1024)
+        if windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
+            buf = buf2
+
+    if csidl_name == "CSIDL_DOWNLOADS":
+        return os.path.join(buf.value, "Downloads")  # noqa: PTH118
+
+    return buf.value
+
+
+def _pick_get_win_folder() -> Callable[[str], str]:
+    if hasattr(ctypes, "windll"):
+        return get_win_folder_via_ctypes
+    try:
+        import winreg  # noqa: F401
+    except ImportError:
+        return get_win_folder_from_env_vars
+    else:
+        return get_win_folder_from_registry
+
+
+get_win_folder = lru_cache(maxsize=None)(_pick_get_win_folder())
+
+__all__ = [
+    "Windows",
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__init__.py
new file mode 100644
index 00000000..39c84aae
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__init__.py
@@ -0,0 +1,82 @@
+"""
+    Pygments
+    ~~~~~~~~
+
+    Pygments is a syntax highlighting package written in Python.
+
+    It is a generic syntax highlighter for general use in all kinds of software
+    such as forum systems, wikis or other applications that need to prettify
+    source code. Highlights are:
+
+    * a wide range of common languages and markup formats is supported
+    * special attention is paid to details, increasing quality by a fair amount
+    * support for new languages and formats are added easily
+    * a number of output formats, presently HTML, LaTeX, RTF, SVG, all image
+      formats that PIL supports, and ANSI sequences
+    * it is usable as a command-line tool and as a library
+    * ... and it highlights even Brainfuck!
+
+    The `Pygments master branch`_ is installable with ``easy_install Pygments==dev``.
+
+    .. _Pygments master branch:
+       https://github.com/pygments/pygments/archive/master.zip#egg=Pygments-dev
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+from io import StringIO, BytesIO
+
+__version__ = '2.15.1'
+__docformat__ = 'restructuredtext'
+
+__all__ = ['lex', 'format', 'highlight']
+
+
+def lex(code, lexer):
+    """
+    Lex `code` with the `lexer` (must be a `Lexer` instance)
+    and return an iterable of tokens. Currently, this only calls
+    `lexer.get_tokens()`.
+    """
+    try:
+        return lexer.get_tokens(code)
+    except TypeError:
+        # Heuristic to catch a common mistake.
+        from pip._vendor.pygments.lexer import RegexLexer
+        if isinstance(lexer, type) and issubclass(lexer, RegexLexer):
+            raise TypeError('lex() argument must be a lexer instance, '
+                            'not a class')
+        raise
+
+
+def format(tokens, formatter, outfile=None):  # pylint: disable=redefined-builtin
+    """
+    Format ``tokens`` (an iterable of tokens) with the formatter ``formatter``
+    (a `Formatter` instance).
+
+    If ``outfile`` is given and a valid file object (an object with a
+    ``write`` method), the result will be written to it, otherwise it
+    is returned as a string.
+    """
+    try:
+        if not outfile:
+            realoutfile = getattr(formatter, 'encoding', None) and BytesIO() or StringIO()
+            formatter.format(tokens, realoutfile)
+            return realoutfile.getvalue()
+        else:
+            formatter.format(tokens, outfile)
+    except TypeError:
+        # Heuristic to catch a common mistake.
+        from pip._vendor.pygments.formatter import Formatter
+        if isinstance(formatter, type) and issubclass(formatter, Formatter):
+            raise TypeError('format() argument must be a formatter instance, '
+                            'not a class')
+        raise
+
+
+def highlight(code, lexer, formatter, outfile=None):
+    """
+    This is the most high-level highlighting function. It combines `lex` and
+    `format` in one function.
+    """
+    return format(lex(code, lexer), formatter, outfile)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__main__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__main__.py
new file mode 100644
index 00000000..2f7f8cba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__main__.py
@@ -0,0 +1,17 @@
+"""
+    pygments.__main__
+    ~~~~~~~~~~~~~~~~~
+
+    Main entry point for ``python -m pygments``.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import sys
+from pip._vendor.pygments.cmdline import main
+
+try:
+    sys.exit(main(sys.argv))
+except KeyboardInterrupt:
+    sys.exit(1)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__pycache__/util.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/__pycache__/util.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/cmdline.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/cmdline.py
new file mode 100644
index 00000000..eec1775b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/cmdline.py
@@ -0,0 +1,668 @@
+"""
+    pygments.cmdline
+    ~~~~~~~~~~~~~~~~
+
+    Command line interface.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import os
+import sys
+import shutil
+import argparse
+from textwrap import dedent
+
+from pip._vendor.pygments import __version__, highlight
+from pip._vendor.pygments.util import ClassNotFound, OptionError, docstring_headline, \
+    guess_decode, guess_decode_from_terminal, terminal_encoding, \
+    UnclosingTextIOWrapper
+from pip._vendor.pygments.lexers import get_all_lexers, get_lexer_by_name, guess_lexer, \
+    load_lexer_from_file, get_lexer_for_filename, find_lexer_class_for_filename
+from pip._vendor.pygments.lexers.special import TextLexer
+from pip._vendor.pygments.formatters.latex import LatexEmbeddedLexer, LatexFormatter
+from pip._vendor.pygments.formatters import get_all_formatters, get_formatter_by_name, \
+    load_formatter_from_file, get_formatter_for_filename, find_formatter_class
+from pip._vendor.pygments.formatters.terminal import TerminalFormatter
+from pip._vendor.pygments.formatters.terminal256 import Terminal256Formatter, TerminalTrueColorFormatter
+from pip._vendor.pygments.filters import get_all_filters, find_filter_class
+from pip._vendor.pygments.styles import get_all_styles, get_style_by_name
+
+
+def _parse_options(o_strs):
+    opts = {}
+    if not o_strs:
+        return opts
+    for o_str in o_strs:
+        if not o_str.strip():
+            continue
+        o_args = o_str.split(',')
+        for o_arg in o_args:
+            o_arg = o_arg.strip()
+            try:
+                o_key, o_val = o_arg.split('=', 1)
+                o_key = o_key.strip()
+                o_val = o_val.strip()
+            except ValueError:
+                opts[o_arg] = True
+            else:
+                opts[o_key] = o_val
+    return opts
+
+
+def _parse_filters(f_strs):
+    filters = []
+    if not f_strs:
+        return filters
+    for f_str in f_strs:
+        if ':' in f_str:
+            fname, fopts = f_str.split(':', 1)
+            filters.append((fname, _parse_options([fopts])))
+        else:
+            filters.append((f_str, {}))
+    return filters
+
+
+def _print_help(what, name):
+    try:
+        if what == 'lexer':
+            cls = get_lexer_by_name(name)
+            print("Help on the %s lexer:" % cls.name)
+            print(dedent(cls.__doc__))
+        elif what == 'formatter':
+            cls = find_formatter_class(name)
+            print("Help on the %s formatter:" % cls.name)
+            print(dedent(cls.__doc__))
+        elif what == 'filter':
+            cls = find_filter_class(name)
+            print("Help on the %s filter:" % name)
+            print(dedent(cls.__doc__))
+        return 0
+    except (AttributeError, ValueError):
+        print("%s not found!" % what, file=sys.stderr)
+        return 1
+
+
+def _print_list(what):
+    if what == 'lexer':
+        print()
+        print("Lexers:")
+        print("~~~~~~~")
+
+        info = []
+        for fullname, names, exts, _ in get_all_lexers():
+            tup = (', '.join(names)+':', fullname,
+                   exts and '(filenames ' + ', '.join(exts) + ')' or '')
+            info.append(tup)
+        info.sort()
+        for i in info:
+            print(('* %s\n    %s %s') % i)
+
+    elif what == 'formatter':
+        print()
+        print("Formatters:")
+        print("~~~~~~~~~~~")
+
+        info = []
+        for cls in get_all_formatters():
+            doc = docstring_headline(cls)
+            tup = (', '.join(cls.aliases) + ':', doc, cls.filenames and
+                   '(filenames ' + ', '.join(cls.filenames) + ')' or '')
+            info.append(tup)
+        info.sort()
+        for i in info:
+            print(('* %s\n    %s %s') % i)
+
+    elif what == 'filter':
+        print()
+        print("Filters:")
+        print("~~~~~~~~")
+
+        for name in get_all_filters():
+            cls = find_filter_class(name)
+            print("* " + name + ':')
+            print("    %s" % docstring_headline(cls))
+
+    elif what == 'style':
+        print()
+        print("Styles:")
+        print("~~~~~~~")
+
+        for name in get_all_styles():
+            cls = get_style_by_name(name)
+            print("* " + name + ':')
+            print("    %s" % docstring_headline(cls))
+
+
+def _print_list_as_json(requested_items):
+    import json
+    result = {}
+    if 'lexer' in requested_items:
+        info = {}
+        for fullname, names, filenames, mimetypes in get_all_lexers():
+            info[fullname] = {
+                'aliases': names,
+                'filenames': filenames,
+                'mimetypes': mimetypes
+            }
+        result['lexers'] = info
+
+    if 'formatter' in requested_items:
+        info = {}
+        for cls in get_all_formatters():
+            doc = docstring_headline(cls)
+            info[cls.name] = {
+                'aliases': cls.aliases,
+                'filenames': cls.filenames,
+                'doc': doc
+            }
+        result['formatters'] = info
+
+    if 'filter' in requested_items:
+        info = {}
+        for name in get_all_filters():
+            cls = find_filter_class(name)
+            info[name] = {
+                'doc': docstring_headline(cls)
+            }
+        result['filters'] = info
+
+    if 'style' in requested_items:
+        info = {}
+        for name in get_all_styles():
+            cls = get_style_by_name(name)
+            info[name] = {
+                'doc': docstring_headline(cls)
+            }
+        result['styles'] = info
+
+    json.dump(result, sys.stdout)
+
+def main_inner(parser, argns):
+    if argns.help:
+        parser.print_help()
+        return 0
+
+    if argns.V:
+        print('Pygments version %s, (c) 2006-2023 by Georg Brandl, Matthäus '
+              'Chajdas and contributors.' % __version__)
+        return 0
+
+    def is_only_option(opt):
+        return not any(v for (k, v) in vars(argns).items() if k != opt)
+
+    # handle ``pygmentize -L``
+    if argns.L is not None:
+        arg_set = set()
+        for k, v in vars(argns).items():
+            if v:
+                arg_set.add(k)
+
+        arg_set.discard('L')
+        arg_set.discard('json')
+
+        if arg_set:
+            parser.print_help(sys.stderr)
+            return 2
+
+        # print version
+        if not argns.json:
+            main(['', '-V'])
+        allowed_types = {'lexer', 'formatter', 'filter', 'style'}
+        largs = [arg.rstrip('s') for arg in argns.L]
+        if any(arg not in allowed_types for arg in largs):
+            parser.print_help(sys.stderr)
+            return 0
+        if not largs:
+            largs = allowed_types
+        if not argns.json:
+            for arg in largs:
+                _print_list(arg)
+        else:
+            _print_list_as_json(largs)
+        return 0
+
+    # handle ``pygmentize -H``
+    if argns.H:
+        if not is_only_option('H'):
+            parser.print_help(sys.stderr)
+            return 2
+        what, name = argns.H
+        if what not in ('lexer', 'formatter', 'filter'):
+            parser.print_help(sys.stderr)
+            return 2
+        return _print_help(what, name)
+
+    # parse -O options
+    parsed_opts = _parse_options(argns.O or [])
+
+    # parse -P options
+    for p_opt in argns.P or []:
+        try:
+            name, value = p_opt.split('=', 1)
+        except ValueError:
+            parsed_opts[p_opt] = True
+        else:
+            parsed_opts[name] = value
+
+    # encodings
+    inencoding = parsed_opts.get('inencoding', parsed_opts.get('encoding'))
+    outencoding = parsed_opts.get('outencoding', parsed_opts.get('encoding'))
+
+    # handle ``pygmentize -N``
+    if argns.N:
+        lexer = find_lexer_class_for_filename(argns.N)
+        if lexer is None:
+            lexer = TextLexer
+
+        print(lexer.aliases[0])
+        return 0
+
+    # handle ``pygmentize -C``
+    if argns.C:
+        inp = sys.stdin.buffer.read()
+        try:
+            lexer = guess_lexer(inp, inencoding=inencoding)
+        except ClassNotFound:
+            lexer = TextLexer
+
+        print(lexer.aliases[0])
+        return 0
+
+    # handle ``pygmentize -S``
+    S_opt = argns.S
+    a_opt = argns.a
+    if S_opt is not None:
+        f_opt = argns.f
+        if not f_opt:
+            parser.print_help(sys.stderr)
+            return 2
+        if argns.l or argns.INPUTFILE:
+            parser.print_help(sys.stderr)
+            return 2
+
+        try:
+            parsed_opts['style'] = S_opt
+            fmter = get_formatter_by_name(f_opt, **parsed_opts)
+        except ClassNotFound as err:
+            print(err, file=sys.stderr)
+            return 1
+
+        print(fmter.get_style_defs(a_opt or ''))
+        return 0
+
+    # if no -S is given, -a is not allowed
+    if argns.a is not None:
+        parser.print_help(sys.stderr)
+        return 2
+
+    # parse -F options
+    F_opts = _parse_filters(argns.F or [])
+
+    # -x: allow custom (eXternal) lexers and formatters
+    allow_custom_lexer_formatter = bool(argns.x)
+
+    # select lexer
+    lexer = None
+
+    # given by name?
+    lexername = argns.l
+    if lexername:
+        # custom lexer, located relative to user's cwd
+        if allow_custom_lexer_formatter and '.py' in lexername:
+            try:
+                filename = None
+                name = None
+                if ':' in lexername:
+                    filename, name = lexername.rsplit(':', 1)
+
+                    if '.py' in name:
+                        # This can happen on Windows: If the lexername is
+                        # C:\lexer.py -- return to normal load path in that case
+                        name = None
+
+                if filename and name:
+                    lexer = load_lexer_from_file(filename, name,
+                                                 **parsed_opts)
+                else:
+                    lexer = load_lexer_from_file(lexername, **parsed_opts)
+            except ClassNotFound as err:
+                print('Error:', err, file=sys.stderr)
+                return 1
+        else:
+            try:
+                lexer = get_lexer_by_name(lexername, **parsed_opts)
+            except (OptionError, ClassNotFound) as err:
+                print('Error:', err, file=sys.stderr)
+                return 1
+
+    # read input code
+    code = None
+
+    if argns.INPUTFILE:
+        if argns.s:
+            print('Error: -s option not usable when input file specified',
+                  file=sys.stderr)
+            return 2
+
+        infn = argns.INPUTFILE
+        try:
+            with open(infn, 'rb') as infp:
+                code = infp.read()
+        except Exception as err:
+            print('Error: cannot read infile:', err, file=sys.stderr)
+            return 1
+        if not inencoding:
+            code, inencoding = guess_decode(code)
+
+        # do we have to guess the lexer?
+        if not lexer:
+            try:
+                lexer = get_lexer_for_filename(infn, code, **parsed_opts)
+            except ClassNotFound as err:
+                if argns.g:
+                    try:
+                        lexer = guess_lexer(code, **parsed_opts)
+                    except ClassNotFound:
+                        lexer = TextLexer(**parsed_opts)
+                else:
+                    print('Error:', err, file=sys.stderr)
+                    return 1
+            except OptionError as err:
+                print('Error:', err, file=sys.stderr)
+                return 1
+
+    elif not argns.s:  # treat stdin as full file (-s support is later)
+        # read code from terminal, always in binary mode since we want to
+        # decode ourselves and be tolerant with it
+        code = sys.stdin.buffer.read()  # use .buffer to get a binary stream
+        if not inencoding:
+            code, inencoding = guess_decode_from_terminal(code, sys.stdin)
+            # else the lexer will do the decoding
+        if not lexer:
+            try:
+                lexer = guess_lexer(code, **parsed_opts)
+            except ClassNotFound:
+                lexer = TextLexer(**parsed_opts)
+
+    else:  # -s option needs a lexer with -l
+        if not lexer:
+            print('Error: when using -s a lexer has to be selected with -l',
+                  file=sys.stderr)
+            return 2
+
+    # process filters
+    for fname, fopts in F_opts:
+        try:
+            lexer.add_filter(fname, **fopts)
+        except ClassNotFound as err:
+            print('Error:', err, file=sys.stderr)
+            return 1
+
+    # select formatter
+    outfn = argns.o
+    fmter = argns.f
+    if fmter:
+        # custom formatter, located relative to user's cwd
+        if allow_custom_lexer_formatter and '.py' in fmter:
+            try:
+                filename = None
+                name = None
+                if ':' in fmter:
+                    # Same logic as above for custom lexer
+                    filename, name = fmter.rsplit(':', 1)
+
+                    if '.py' in name:
+                        name = None
+
+                if filename and name:
+                    fmter = load_formatter_from_file(filename, name,
+                                                     **parsed_opts)
+                else:
+                    fmter = load_formatter_from_file(fmter, **parsed_opts)
+            except ClassNotFound as err:
+                print('Error:', err, file=sys.stderr)
+                return 1
+        else:
+            try:
+                fmter = get_formatter_by_name(fmter, **parsed_opts)
+            except (OptionError, ClassNotFound) as err:
+                print('Error:', err, file=sys.stderr)
+                return 1
+
+    if outfn:
+        if not fmter:
+            try:
+                fmter = get_formatter_for_filename(outfn, **parsed_opts)
+            except (OptionError, ClassNotFound) as err:
+                print('Error:', err, file=sys.stderr)
+                return 1
+        try:
+            outfile = open(outfn, 'wb')
+        except Exception as err:
+            print('Error: cannot open outfile:', err, file=sys.stderr)
+            return 1
+    else:
+        if not fmter:
+            if os.environ.get('COLORTERM','') in ('truecolor', '24bit'):
+                fmter = TerminalTrueColorFormatter(**parsed_opts)
+            elif '256' in os.environ.get('TERM', ''):
+                fmter = Terminal256Formatter(**parsed_opts)
+            else:
+                fmter = TerminalFormatter(**parsed_opts)
+        outfile = sys.stdout.buffer
+
+    # determine output encoding if not explicitly selected
+    if not outencoding:
+        if outfn:
+            # output file? use lexer encoding for now (can still be None)
+            fmter.encoding = inencoding
+        else:
+            # else use terminal encoding
+            fmter.encoding = terminal_encoding(sys.stdout)
+
+    # provide coloring under Windows, if possible
+    if not outfn and sys.platform in ('win32', 'cygwin') and \
+       fmter.name in ('Terminal', 'Terminal256'):  # pragma: no cover
+        # unfortunately colorama doesn't support binary streams on Py3
+        outfile = UnclosingTextIOWrapper(outfile, encoding=fmter.encoding)
+        fmter.encoding = None
+        try:
+            import pip._vendor.colorama.initialise as colorama_initialise
+        except ImportError:
+            pass
+        else:
+            outfile = colorama_initialise.wrap_stream(
+                outfile, convert=None, strip=None, autoreset=False, wrap=True)
+
+    # When using the LaTeX formatter and the option `escapeinside` is
+    # specified, we need a special lexer which collects escaped text
+    # before running the chosen language lexer.
+    escapeinside = parsed_opts.get('escapeinside', '')
+    if len(escapeinside) == 2 and isinstance(fmter, LatexFormatter):
+        left = escapeinside[0]
+        right = escapeinside[1]
+        lexer = LatexEmbeddedLexer(left, right, lexer)
+
+    # ... and do it!
+    if not argns.s:
+        # process whole input as per normal...
+        try:
+            highlight(code, lexer, fmter, outfile)
+        finally:
+            if outfn:
+                outfile.close()
+        return 0
+    else:
+        # line by line processing of stdin (eg: for 'tail -f')...
+        try:
+            while 1:
+                line = sys.stdin.buffer.readline()
+                if not line:
+                    break
+                if not inencoding:
+                    line = guess_decode_from_terminal(line, sys.stdin)[0]
+                highlight(line, lexer, fmter, outfile)
+                if hasattr(outfile, 'flush'):
+                    outfile.flush()
+            return 0
+        except KeyboardInterrupt:  # pragma: no cover
+            return 0
+        finally:
+            if outfn:
+                outfile.close()
+
+
+class HelpFormatter(argparse.HelpFormatter):
+    def __init__(self, prog, indent_increment=2, max_help_position=16, width=None):
+        if width is None:
+            try:
+                width = shutil.get_terminal_size().columns - 2
+            except Exception:
+                pass
+        argparse.HelpFormatter.__init__(self, prog, indent_increment,
+                                        max_help_position, width)
+
+
+def main(args=sys.argv):
+    """
+    Main command line entry point.
+    """
+    desc = "Highlight an input file and write the result to an output file."
+    parser = argparse.ArgumentParser(description=desc, add_help=False,
+                                     formatter_class=HelpFormatter)
+
+    operation = parser.add_argument_group('Main operation')
+    lexersel = operation.add_mutually_exclusive_group()
+    lexersel.add_argument(
+        '-l', metavar='LEXER',
+        help='Specify the lexer to use.  (Query names with -L.)  If not '
+        'given and -g is not present, the lexer is guessed from the filename.')
+    lexersel.add_argument(
+        '-g', action='store_true',
+        help='Guess the lexer from the file contents, or pass through '
+        'as plain text if nothing can be guessed.')
+    operation.add_argument(
+        '-F', metavar='FILTER[:options]', action='append',
+        help='Add a filter to the token stream.  (Query names with -L.) '
+        'Filter options are given after a colon if necessary.')
+    operation.add_argument(
+        '-f', metavar='FORMATTER',
+        help='Specify the formatter to use.  (Query names with -L.) '
+        'If not given, the formatter is guessed from the output filename, '
+        'and defaults to the terminal formatter if the output is to the '
+        'terminal or an unknown file extension.')
+    operation.add_argument(
+        '-O', metavar='OPTION=value[,OPTION=value,...]', action='append',
+        help='Give options to the lexer and formatter as a comma-separated '
+        'list of key-value pairs. '
+        'Example: `-O bg=light,python=cool`.')
+    operation.add_argument(
+        '-P', metavar='OPTION=value', action='append',
+        help='Give a single option to the lexer and formatter - with this '
+        'you can pass options whose value contains commas and equal signs. '
+        'Example: `-P "heading=Pygments, the Python highlighter"`.')
+    operation.add_argument(
+        '-o', metavar='OUTPUTFILE',
+        help='Where to write the output.  Defaults to standard output.')
+
+    operation.add_argument(
+        'INPUTFILE', nargs='?',
+        help='Where to read the input.  Defaults to standard input.')
+
+    flags = parser.add_argument_group('Operation flags')
+    flags.add_argument(
+        '-v', action='store_true',
+        help='Print a detailed traceback on unhandled exceptions, which '
+        'is useful for debugging and bug reports.')
+    flags.add_argument(
+        '-s', action='store_true',
+        help='Process lines one at a time until EOF, rather than waiting to '
+        'process the entire file.  This only works for stdin, only for lexers '
+        'with no line-spanning constructs, and is intended for streaming '
+        'input such as you get from `tail -f`. '
+        'Example usage: `tail -f sql.log | pygmentize -s -l sql`.')
+    flags.add_argument(
+        '-x', action='store_true',
+        help='Allow custom lexers and formatters to be loaded from a .py file '
+        'relative to the current working directory. For example, '
+        '`-l ./customlexer.py -x`. By default, this option expects a file '
+        'with a class named CustomLexer or CustomFormatter; you can also '
+        'specify your own class name with a colon (`-l ./lexer.py:MyLexer`). '
+        'Users should be very careful not to use this option with untrusted '
+        'files, because it will import and run them.')
+    flags.add_argument('--json', help='Output as JSON. This can '
+        'be only used in conjunction with -L.',
+        default=False,
+        action='store_true')
+
+    special_modes_group = parser.add_argument_group(
+        'Special modes - do not do any highlighting')
+    special_modes = special_modes_group.add_mutually_exclusive_group()
+    special_modes.add_argument(
+        '-S', metavar='STYLE -f formatter',
+        help='Print style definitions for STYLE for a formatter '
+        'given with -f. The argument given by -a is formatter '
+        'dependent.')
+    special_modes.add_argument(
+        '-L', nargs='*', metavar='WHAT',
+        help='List lexers, formatters, styles or filters -- '
+        'give additional arguments for the thing(s) you want to list '
+        '(e.g. "styles"), or omit them to list everything.')
+    special_modes.add_argument(
+        '-N', metavar='FILENAME',
+        help='Guess and print out a lexer name based solely on the given '
+        'filename. Does not take input or highlight anything. If no specific '
+        'lexer can be determined, "text" is printed.')
+    special_modes.add_argument(
+        '-C', action='store_true',
+        help='Like -N, but print out a lexer name based solely on '
+        'a given content from standard input.')
+    special_modes.add_argument(
+        '-H', action='store', nargs=2, metavar=('NAME', 'TYPE'),
+        help='Print detailed help for the object <name> of type <type>, '
+        'where <type> is one of "lexer", "formatter" or "filter".')
+    special_modes.add_argument(
+        '-V', action='store_true',
+        help='Print the package version.')
+    special_modes.add_argument(
+        '-h', '--help', action='store_true',
+        help='Print this help.')
+    special_modes_group.add_argument(
+        '-a', metavar='ARG',
+        help='Formatter-specific additional argument for the -S (print '
+        'style sheet) mode.')
+
+    argns = parser.parse_args(args[1:])
+
+    try:
+        return main_inner(parser, argns)
+    except BrokenPipeError:
+        # someone closed our stdout, e.g. by quitting a pager.
+        return 0
+    except Exception:
+        if argns.v:
+            print(file=sys.stderr)
+            print('*' * 65, file=sys.stderr)
+            print('An unhandled exception occurred while highlighting.',
+                  file=sys.stderr)
+            print('Please report the whole traceback to the issue tracker at',
+                  file=sys.stderr)
+            print('<https://github.com/pygments/pygments/issues>.',
+                  file=sys.stderr)
+            print('*' * 65, file=sys.stderr)
+            print(file=sys.stderr)
+            raise
+        import traceback
+        info = traceback.format_exception(*sys.exc_info())
+        msg = info[-1].strip()
+        if len(info) >= 3:
+            # extract relevant file and position info
+            msg += '\n   (f%s)' % info[-2].split('\n')[0].strip()[1:]
+        print(file=sys.stderr)
+        print('*** Error while highlighting:', file=sys.stderr)
+        print(msg, file=sys.stderr)
+        print('*** If this is a bug you want to report, please rerun with -v.',
+              file=sys.stderr)
+        return 1
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/console.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/console.py
new file mode 100644
index 00000000..deb4937f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/console.py
@@ -0,0 +1,70 @@
+"""
+    pygments.console
+    ~~~~~~~~~~~~~~~~
+
+    Format colored console output.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+esc = "\x1b["
+
+codes = {}
+codes[""] = ""
+codes["reset"] = esc + "39;49;00m"
+
+codes["bold"] = esc + "01m"
+codes["faint"] = esc + "02m"
+codes["standout"] = esc + "03m"
+codes["underline"] = esc + "04m"
+codes["blink"] = esc + "05m"
+codes["overline"] = esc + "06m"
+
+dark_colors = ["black", "red", "green", "yellow", "blue",
+               "magenta", "cyan", "gray"]
+light_colors = ["brightblack", "brightred", "brightgreen", "brightyellow", "brightblue",
+                "brightmagenta", "brightcyan", "white"]
+
+x = 30
+for d, l in zip(dark_colors, light_colors):
+    codes[d] = esc + "%im" % x
+    codes[l] = esc + "%im" % (60 + x)
+    x += 1
+
+del d, l, x
+
+codes["white"] = codes["bold"]
+
+
+def reset_color():
+    return codes["reset"]
+
+
+def colorize(color_key, text):
+    return codes[color_key] + text + codes["reset"]
+
+
+def ansiformat(attr, text):
+    """
+    Format ``text`` with a color and/or some attributes::
+
+        color       normal color
+        *color*     bold color
+        _color_     underlined color
+        +color+     blinking color
+    """
+    result = []
+    if attr[:1] == attr[-1:] == '+':
+        result.append(codes['blink'])
+        attr = attr[1:-1]
+    if attr[:1] == attr[-1:] == '*':
+        result.append(codes['bold'])
+        attr = attr[1:-1]
+    if attr[:1] == attr[-1:] == '_':
+        result.append(codes['underline'])
+        attr = attr[1:-1]
+    result.append(codes[attr])
+    result.append(text)
+    result.append(codes['reset'])
+    return ''.join(result)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filter.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filter.py
new file mode 100644
index 00000000..dafa08d1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filter.py
@@ -0,0 +1,71 @@
+"""
+    pygments.filter
+    ~~~~~~~~~~~~~~~
+
+    Module that implements the default filter.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+
+def apply_filters(stream, filters, lexer=None):
+    """
+    Use this method to apply an iterable of filters to
+    a stream. If lexer is given it's forwarded to the
+    filter, otherwise the filter receives `None`.
+    """
+    def _apply(filter_, stream):
+        yield from filter_.filter(lexer, stream)
+    for filter_ in filters:
+        stream = _apply(filter_, stream)
+    return stream
+
+
+def simplefilter(f):
+    """
+    Decorator that converts a function into a filter::
+
+        @simplefilter
+        def lowercase(self, lexer, stream, options):
+            for ttype, value in stream:
+                yield ttype, value.lower()
+    """
+    return type(f.__name__, (FunctionFilter,), {
+        '__module__': getattr(f, '__module__'),
+        '__doc__': f.__doc__,
+        'function': f,
+    })
+
+
+class Filter:
+    """
+    Default filter. Subclass this class or use the `simplefilter`
+    decorator to create own filters.
+    """
+
+    def __init__(self, **options):
+        self.options = options
+
+    def filter(self, lexer, stream):
+        raise NotImplementedError()
+
+
+class FunctionFilter(Filter):
+    """
+    Abstract class used by `simplefilter` to create simple
+    function filters on the fly. The `simplefilter` decorator
+    automatically creates subclasses of this class for
+    functions passed to it.
+    """
+    function = None
+
+    def __init__(self, **options):
+        if not hasattr(self, 'function'):
+            raise TypeError('%r used without bound function' %
+                            self.__class__.__name__)
+        Filter.__init__(self, **options)
+
+    def filter(self, lexer, stream):
+        # pylint: disable=not-callable
+        yield from self.function(lexer, stream, self.options)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filters/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filters/__init__.py
new file mode 100644
index 00000000..5aa9ecbb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filters/__init__.py
@@ -0,0 +1,940 @@
+"""
+    pygments.filters
+    ~~~~~~~~~~~~~~~~
+
+    Module containing filter lookup functions and default
+    filters.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pip._vendor.pygments.token import String, Comment, Keyword, Name, Error, Whitespace, \
+    string_to_tokentype
+from pip._vendor.pygments.filter import Filter
+from pip._vendor.pygments.util import get_list_opt, get_int_opt, get_bool_opt, \
+    get_choice_opt, ClassNotFound, OptionError
+from pip._vendor.pygments.plugin import find_plugin_filters
+
+
+def find_filter_class(filtername):
+    """Lookup a filter by name. Return None if not found."""
+    if filtername in FILTERS:
+        return FILTERS[filtername]
+    for name, cls in find_plugin_filters():
+        if name == filtername:
+            return cls
+    return None
+
+
+def get_filter_by_name(filtername, **options):
+    """Return an instantiated filter.
+
+    Options are passed to the filter initializer if wanted.
+    Raise a ClassNotFound if not found.
+    """
+    cls = find_filter_class(filtername)
+    if cls:
+        return cls(**options)
+    else:
+        raise ClassNotFound('filter %r not found' % filtername)
+
+
+def get_all_filters():
+    """Return a generator of all filter names."""
+    yield from FILTERS
+    for name, _ in find_plugin_filters():
+        yield name
+
+
+def _replace_special(ttype, value, regex, specialttype,
+                     replacefunc=lambda x: x):
+    last = 0
+    for match in regex.finditer(value):
+        start, end = match.start(), match.end()
+        if start != last:
+            yield ttype, value[last:start]
+        yield specialttype, replacefunc(value[start:end])
+        last = end
+    if last != len(value):
+        yield ttype, value[last:]
+
+
+class CodeTagFilter(Filter):
+    """Highlight special code tags in comments and docstrings.
+
+    Options accepted:
+
+    `codetags` : list of strings
+       A list of strings that are flagged as code tags.  The default is to
+       highlight ``XXX``, ``TODO``, ``FIXME``, ``BUG`` and ``NOTE``.
+
+    .. versionchanged:: 2.13
+       Now recognizes ``FIXME`` by default.
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        tags = get_list_opt(options, 'codetags',
+                            ['XXX', 'TODO', 'FIXME', 'BUG', 'NOTE'])
+        self.tag_re = re.compile(r'\b(%s)\b' % '|'.join([
+            re.escape(tag) for tag in tags if tag
+        ]))
+
+    def filter(self, lexer, stream):
+        regex = self.tag_re
+        for ttype, value in stream:
+            if ttype in String.Doc or \
+               ttype in Comment and \
+               ttype not in Comment.Preproc:
+                yield from _replace_special(ttype, value, regex, Comment.Special)
+            else:
+                yield ttype, value
+
+
+class SymbolFilter(Filter):
+    """Convert mathematical symbols such as \\<longrightarrow> in Isabelle
+    or \\longrightarrow in LaTeX into Unicode characters.
+
+    This is mostly useful for HTML or console output when you want to
+    approximate the source rendering you'd see in an IDE.
+
+    Options accepted:
+
+    `lang` : string
+       The symbol language. Must be one of ``'isabelle'`` or
+       ``'latex'``.  The default is ``'isabelle'``.
+    """
+
+    latex_symbols = {
+        '\\alpha'                : '\U000003b1',
+        '\\beta'                 : '\U000003b2',
+        '\\gamma'                : '\U000003b3',
+        '\\delta'                : '\U000003b4',
+        '\\varepsilon'           : '\U000003b5',
+        '\\zeta'                 : '\U000003b6',
+        '\\eta'                  : '\U000003b7',
+        '\\vartheta'             : '\U000003b8',
+        '\\iota'                 : '\U000003b9',
+        '\\kappa'                : '\U000003ba',
+        '\\lambda'               : '\U000003bb',
+        '\\mu'                   : '\U000003bc',
+        '\\nu'                   : '\U000003bd',
+        '\\xi'                   : '\U000003be',
+        '\\pi'                   : '\U000003c0',
+        '\\varrho'               : '\U000003c1',
+        '\\sigma'                : '\U000003c3',
+        '\\tau'                  : '\U000003c4',
+        '\\upsilon'              : '\U000003c5',
+        '\\varphi'               : '\U000003c6',
+        '\\chi'                  : '\U000003c7',
+        '\\psi'                  : '\U000003c8',
+        '\\omega'                : '\U000003c9',
+        '\\Gamma'                : '\U00000393',
+        '\\Delta'                : '\U00000394',
+        '\\Theta'                : '\U00000398',
+        '\\Lambda'               : '\U0000039b',
+        '\\Xi'                   : '\U0000039e',
+        '\\Pi'                   : '\U000003a0',
+        '\\Sigma'                : '\U000003a3',
+        '\\Upsilon'              : '\U000003a5',
+        '\\Phi'                  : '\U000003a6',
+        '\\Psi'                  : '\U000003a8',
+        '\\Omega'                : '\U000003a9',
+        '\\leftarrow'            : '\U00002190',
+        '\\longleftarrow'        : '\U000027f5',
+        '\\rightarrow'           : '\U00002192',
+        '\\longrightarrow'       : '\U000027f6',
+        '\\Leftarrow'            : '\U000021d0',
+        '\\Longleftarrow'        : '\U000027f8',
+        '\\Rightarrow'           : '\U000021d2',
+        '\\Longrightarrow'       : '\U000027f9',
+        '\\leftrightarrow'       : '\U00002194',
+        '\\longleftrightarrow'   : '\U000027f7',
+        '\\Leftrightarrow'       : '\U000021d4',
+        '\\Longleftrightarrow'   : '\U000027fa',
+        '\\mapsto'               : '\U000021a6',
+        '\\longmapsto'           : '\U000027fc',
+        '\\relbar'               : '\U00002500',
+        '\\Relbar'               : '\U00002550',
+        '\\hookleftarrow'        : '\U000021a9',
+        '\\hookrightarrow'       : '\U000021aa',
+        '\\leftharpoondown'      : '\U000021bd',
+        '\\rightharpoondown'     : '\U000021c1',
+        '\\leftharpoonup'        : '\U000021bc',
+        '\\rightharpoonup'       : '\U000021c0',
+        '\\rightleftharpoons'    : '\U000021cc',
+        '\\leadsto'              : '\U0000219d',
+        '\\downharpoonleft'      : '\U000021c3',
+        '\\downharpoonright'     : '\U000021c2',
+        '\\upharpoonleft'        : '\U000021bf',
+        '\\upharpoonright'       : '\U000021be',
+        '\\restriction'          : '\U000021be',
+        '\\uparrow'              : '\U00002191',
+        '\\Uparrow'              : '\U000021d1',
+        '\\downarrow'            : '\U00002193',
+        '\\Downarrow'            : '\U000021d3',
+        '\\updownarrow'          : '\U00002195',
+        '\\Updownarrow'          : '\U000021d5',
+        '\\langle'               : '\U000027e8',
+        '\\rangle'               : '\U000027e9',
+        '\\lceil'                : '\U00002308',
+        '\\rceil'                : '\U00002309',
+        '\\lfloor'               : '\U0000230a',
+        '\\rfloor'               : '\U0000230b',
+        '\\flqq'                 : '\U000000ab',
+        '\\frqq'                 : '\U000000bb',
+        '\\bot'                  : '\U000022a5',
+        '\\top'                  : '\U000022a4',
+        '\\wedge'                : '\U00002227',
+        '\\bigwedge'             : '\U000022c0',
+        '\\vee'                  : '\U00002228',
+        '\\bigvee'               : '\U000022c1',
+        '\\forall'               : '\U00002200',
+        '\\exists'               : '\U00002203',
+        '\\nexists'              : '\U00002204',
+        '\\neg'                  : '\U000000ac',
+        '\\Box'                  : '\U000025a1',
+        '\\Diamond'              : '\U000025c7',
+        '\\vdash'                : '\U000022a2',
+        '\\models'               : '\U000022a8',
+        '\\dashv'                : '\U000022a3',
+        '\\surd'                 : '\U0000221a',
+        '\\le'                   : '\U00002264',
+        '\\ge'                   : '\U00002265',
+        '\\ll'                   : '\U0000226a',
+        '\\gg'                   : '\U0000226b',
+        '\\lesssim'              : '\U00002272',
+        '\\gtrsim'               : '\U00002273',
+        '\\lessapprox'           : '\U00002a85',
+        '\\gtrapprox'            : '\U00002a86',
+        '\\in'                   : '\U00002208',
+        '\\notin'                : '\U00002209',
+        '\\subset'               : '\U00002282',
+        '\\supset'               : '\U00002283',
+        '\\subseteq'             : '\U00002286',
+        '\\supseteq'             : '\U00002287',
+        '\\sqsubset'             : '\U0000228f',
+        '\\sqsupset'             : '\U00002290',
+        '\\sqsubseteq'           : '\U00002291',
+        '\\sqsupseteq'           : '\U00002292',
+        '\\cap'                  : '\U00002229',
+        '\\bigcap'               : '\U000022c2',
+        '\\cup'                  : '\U0000222a',
+        '\\bigcup'               : '\U000022c3',
+        '\\sqcup'                : '\U00002294',
+        '\\bigsqcup'             : '\U00002a06',
+        '\\sqcap'                : '\U00002293',
+        '\\Bigsqcap'             : '\U00002a05',
+        '\\setminus'             : '\U00002216',
+        '\\propto'               : '\U0000221d',
+        '\\uplus'                : '\U0000228e',
+        '\\bigplus'              : '\U00002a04',
+        '\\sim'                  : '\U0000223c',
+        '\\doteq'                : '\U00002250',
+        '\\simeq'                : '\U00002243',
+        '\\approx'               : '\U00002248',
+        '\\asymp'                : '\U0000224d',
+        '\\cong'                 : '\U00002245',
+        '\\equiv'                : '\U00002261',
+        '\\Join'                 : '\U000022c8',
+        '\\bowtie'               : '\U00002a1d',
+        '\\prec'                 : '\U0000227a',
+        '\\succ'                 : '\U0000227b',
+        '\\preceq'               : '\U0000227c',
+        '\\succeq'               : '\U0000227d',
+        '\\parallel'             : '\U00002225',
+        '\\mid'                  : '\U000000a6',
+        '\\pm'                   : '\U000000b1',
+        '\\mp'                   : '\U00002213',
+        '\\times'                : '\U000000d7',
+        '\\div'                  : '\U000000f7',
+        '\\cdot'                 : '\U000022c5',
+        '\\star'                 : '\U000022c6',
+        '\\circ'                 : '\U00002218',
+        '\\dagger'               : '\U00002020',
+        '\\ddagger'              : '\U00002021',
+        '\\lhd'                  : '\U000022b2',
+        '\\rhd'                  : '\U000022b3',
+        '\\unlhd'                : '\U000022b4',
+        '\\unrhd'                : '\U000022b5',
+        '\\triangleleft'         : '\U000025c3',
+        '\\triangleright'        : '\U000025b9',
+        '\\triangle'             : '\U000025b3',
+        '\\triangleq'            : '\U0000225c',
+        '\\oplus'                : '\U00002295',
+        '\\bigoplus'             : '\U00002a01',
+        '\\otimes'               : '\U00002297',
+        '\\bigotimes'            : '\U00002a02',
+        '\\odot'                 : '\U00002299',
+        '\\bigodot'              : '\U00002a00',
+        '\\ominus'               : '\U00002296',
+        '\\oslash'               : '\U00002298',
+        '\\dots'                 : '\U00002026',
+        '\\cdots'                : '\U000022ef',
+        '\\sum'                  : '\U00002211',
+        '\\prod'                 : '\U0000220f',
+        '\\coprod'               : '\U00002210',
+        '\\infty'                : '\U0000221e',
+        '\\int'                  : '\U0000222b',
+        '\\oint'                 : '\U0000222e',
+        '\\clubsuit'             : '\U00002663',
+        '\\diamondsuit'          : '\U00002662',
+        '\\heartsuit'            : '\U00002661',
+        '\\spadesuit'            : '\U00002660',
+        '\\aleph'                : '\U00002135',
+        '\\emptyset'             : '\U00002205',
+        '\\nabla'                : '\U00002207',
+        '\\partial'              : '\U00002202',
+        '\\flat'                 : '\U0000266d',
+        '\\natural'              : '\U0000266e',
+        '\\sharp'                : '\U0000266f',
+        '\\angle'                : '\U00002220',
+        '\\copyright'            : '\U000000a9',
+        '\\textregistered'       : '\U000000ae',
+        '\\textonequarter'       : '\U000000bc',
+        '\\textonehalf'          : '\U000000bd',
+        '\\textthreequarters'    : '\U000000be',
+        '\\textordfeminine'      : '\U000000aa',
+        '\\textordmasculine'     : '\U000000ba',
+        '\\euro'                 : '\U000020ac',
+        '\\pounds'               : '\U000000a3',
+        '\\yen'                  : '\U000000a5',
+        '\\textcent'             : '\U000000a2',
+        '\\textcurrency'         : '\U000000a4',
+        '\\textdegree'           : '\U000000b0',
+    }
+
+    isabelle_symbols = {
+        '\\<zero>'                 : '\U0001d7ec',
+        '\\<one>'                  : '\U0001d7ed',
+        '\\<two>'                  : '\U0001d7ee',
+        '\\<three>'                : '\U0001d7ef',
+        '\\<four>'                 : '\U0001d7f0',
+        '\\<five>'                 : '\U0001d7f1',
+        '\\<six>'                  : '\U0001d7f2',
+        '\\<seven>'                : '\U0001d7f3',
+        '\\<eight>'                : '\U0001d7f4',
+        '\\<nine>'                 : '\U0001d7f5',
+        '\\<A>'                    : '\U0001d49c',
+        '\\<B>'                    : '\U0000212c',
+        '\\<C>'                    : '\U0001d49e',
+        '\\<D>'                    : '\U0001d49f',
+        '\\<E>'                    : '\U00002130',
+        '\\<F>'                    : '\U00002131',
+        '\\<G>'                    : '\U0001d4a2',
+        '\\<H>'                    : '\U0000210b',
+        '\\<I>'                    : '\U00002110',
+        '\\<J>'                    : '\U0001d4a5',
+        '\\<K>'                    : '\U0001d4a6',
+        '\\<L>'                    : '\U00002112',
+        '\\<M>'                    : '\U00002133',
+        '\\<N>'                    : '\U0001d4a9',
+        '\\<O>'                    : '\U0001d4aa',
+        '\\<P>'                    : '\U0001d4ab',
+        '\\<Q>'                    : '\U0001d4ac',
+        '\\<R>'                    : '\U0000211b',
+        '\\<S>'                    : '\U0001d4ae',
+        '\\<T>'                    : '\U0001d4af',
+        '\\<U>'                    : '\U0001d4b0',
+        '\\<V>'                    : '\U0001d4b1',
+        '\\<W>'                    : '\U0001d4b2',
+        '\\<X>'                    : '\U0001d4b3',
+        '\\<Y>'                    : '\U0001d4b4',
+        '\\<Z>'                    : '\U0001d4b5',
+        '\\<a>'                    : '\U0001d5ba',
+        '\\<b>'                    : '\U0001d5bb',
+        '\\<c>'                    : '\U0001d5bc',
+        '\\<d>'                    : '\U0001d5bd',
+        '\\<e>'                    : '\U0001d5be',
+        '\\<f>'                    : '\U0001d5bf',
+        '\\<g>'                    : '\U0001d5c0',
+        '\\<h>'                    : '\U0001d5c1',
+        '\\<i>'                    : '\U0001d5c2',
+        '\\<j>'                    : '\U0001d5c3',
+        '\\<k>'                    : '\U0001d5c4',
+        '\\<l>'                    : '\U0001d5c5',
+        '\\<m>'                    : '\U0001d5c6',
+        '\\<n>'                    : '\U0001d5c7',
+        '\\<o>'                    : '\U0001d5c8',
+        '\\<p>'                    : '\U0001d5c9',
+        '\\<q>'                    : '\U0001d5ca',
+        '\\<r>'                    : '\U0001d5cb',
+        '\\<s>'                    : '\U0001d5cc',
+        '\\<t>'                    : '\U0001d5cd',
+        '\\<u>'                    : '\U0001d5ce',
+        '\\<v>'                    : '\U0001d5cf',
+        '\\<w>'                    : '\U0001d5d0',
+        '\\<x>'                    : '\U0001d5d1',
+        '\\<y>'                    : '\U0001d5d2',
+        '\\<z>'                    : '\U0001d5d3',
+        '\\<AA>'                   : '\U0001d504',
+        '\\<BB>'                   : '\U0001d505',
+        '\\<CC>'                   : '\U0000212d',
+        '\\<DD>'                   : '\U0001d507',
+        '\\<EE>'                   : '\U0001d508',
+        '\\<FF>'                   : '\U0001d509',
+        '\\<GG>'                   : '\U0001d50a',
+        '\\<HH>'                   : '\U0000210c',
+        '\\<II>'                   : '\U00002111',
+        '\\<JJ>'                   : '\U0001d50d',
+        '\\<KK>'                   : '\U0001d50e',
+        '\\<LL>'                   : '\U0001d50f',
+        '\\<MM>'                   : '\U0001d510',
+        '\\<NN>'                   : '\U0001d511',
+        '\\<OO>'                   : '\U0001d512',
+        '\\<PP>'                   : '\U0001d513',
+        '\\<QQ>'                   : '\U0001d514',
+        '\\<RR>'                   : '\U0000211c',
+        '\\<SS>'                   : '\U0001d516',
+        '\\<TT>'                   : '\U0001d517',
+        '\\<UU>'                   : '\U0001d518',
+        '\\<VV>'                   : '\U0001d519',
+        '\\<WW>'                   : '\U0001d51a',
+        '\\<XX>'                   : '\U0001d51b',
+        '\\<YY>'                   : '\U0001d51c',
+        '\\<ZZ>'                   : '\U00002128',
+        '\\<aa>'                   : '\U0001d51e',
+        '\\<bb>'                   : '\U0001d51f',
+        '\\<cc>'                   : '\U0001d520',
+        '\\<dd>'                   : '\U0001d521',
+        '\\<ee>'                   : '\U0001d522',
+        '\\<ff>'                   : '\U0001d523',
+        '\\<gg>'                   : '\U0001d524',
+        '\\<hh>'                   : '\U0001d525',
+        '\\<ii>'                   : '\U0001d526',
+        '\\<jj>'                   : '\U0001d527',
+        '\\<kk>'                   : '\U0001d528',
+        '\\<ll>'                   : '\U0001d529',
+        '\\<mm>'                   : '\U0001d52a',
+        '\\<nn>'                   : '\U0001d52b',
+        '\\<oo>'                   : '\U0001d52c',
+        '\\<pp>'                   : '\U0001d52d',
+        '\\<qq>'                   : '\U0001d52e',
+        '\\<rr>'                   : '\U0001d52f',
+        '\\<ss>'                   : '\U0001d530',
+        '\\<tt>'                   : '\U0001d531',
+        '\\<uu>'                   : '\U0001d532',
+        '\\<vv>'                   : '\U0001d533',
+        '\\<ww>'                   : '\U0001d534',
+        '\\<xx>'                   : '\U0001d535',
+        '\\<yy>'                   : '\U0001d536',
+        '\\<zz>'                   : '\U0001d537',
+        '\\<alpha>'                : '\U000003b1',
+        '\\<beta>'                 : '\U000003b2',
+        '\\<gamma>'                : '\U000003b3',
+        '\\<delta>'                : '\U000003b4',
+        '\\<epsilon>'              : '\U000003b5',
+        '\\<zeta>'                 : '\U000003b6',
+        '\\<eta>'                  : '\U000003b7',
+        '\\<theta>'                : '\U000003b8',
+        '\\<iota>'                 : '\U000003b9',
+        '\\<kappa>'                : '\U000003ba',
+        '\\<lambda>'               : '\U000003bb',
+        '\\<mu>'                   : '\U000003bc',
+        '\\<nu>'                   : '\U000003bd',
+        '\\<xi>'                   : '\U000003be',
+        '\\<pi>'                   : '\U000003c0',
+        '\\<rho>'                  : '\U000003c1',
+        '\\<sigma>'                : '\U000003c3',
+        '\\<tau>'                  : '\U000003c4',
+        '\\<upsilon>'              : '\U000003c5',
+        '\\<phi>'                  : '\U000003c6',
+        '\\<chi>'                  : '\U000003c7',
+        '\\<psi>'                  : '\U000003c8',
+        '\\<omega>'                : '\U000003c9',
+        '\\<Gamma>'                : '\U00000393',
+        '\\<Delta>'                : '\U00000394',
+        '\\<Theta>'                : '\U00000398',
+        '\\<Lambda>'               : '\U0000039b',
+        '\\<Xi>'                   : '\U0000039e',
+        '\\<Pi>'                   : '\U000003a0',
+        '\\<Sigma>'                : '\U000003a3',
+        '\\<Upsilon>'              : '\U000003a5',
+        '\\<Phi>'                  : '\U000003a6',
+        '\\<Psi>'                  : '\U000003a8',
+        '\\<Omega>'                : '\U000003a9',
+        '\\<bool>'                 : '\U0001d539',
+        '\\<complex>'              : '\U00002102',
+        '\\<nat>'                  : '\U00002115',
+        '\\<rat>'                  : '\U0000211a',
+        '\\<real>'                 : '\U0000211d',
+        '\\<int>'                  : '\U00002124',
+        '\\<leftarrow>'            : '\U00002190',
+        '\\<longleftarrow>'        : '\U000027f5',
+        '\\<rightarrow>'           : '\U00002192',
+        '\\<longrightarrow>'       : '\U000027f6',
+        '\\<Leftarrow>'            : '\U000021d0',
+        '\\<Longleftarrow>'        : '\U000027f8',
+        '\\<Rightarrow>'           : '\U000021d2',
+        '\\<Longrightarrow>'       : '\U000027f9',
+        '\\<leftrightarrow>'       : '\U00002194',
+        '\\<longleftrightarrow>'   : '\U000027f7',
+        '\\<Leftrightarrow>'       : '\U000021d4',
+        '\\<Longleftrightarrow>'   : '\U000027fa',
+        '\\<mapsto>'               : '\U000021a6',
+        '\\<longmapsto>'           : '\U000027fc',
+        '\\<midarrow>'             : '\U00002500',
+        '\\<Midarrow>'             : '\U00002550',
+        '\\<hookleftarrow>'        : '\U000021a9',
+        '\\<hookrightarrow>'       : '\U000021aa',
+        '\\<leftharpoondown>'      : '\U000021bd',
+        '\\<rightharpoondown>'     : '\U000021c1',
+        '\\<leftharpoonup>'        : '\U000021bc',
+        '\\<rightharpoonup>'       : '\U000021c0',
+        '\\<rightleftharpoons>'    : '\U000021cc',
+        '\\<leadsto>'              : '\U0000219d',
+        '\\<downharpoonleft>'      : '\U000021c3',
+        '\\<downharpoonright>'     : '\U000021c2',
+        '\\<upharpoonleft>'        : '\U000021bf',
+        '\\<upharpoonright>'       : '\U000021be',
+        '\\<restriction>'          : '\U000021be',
+        '\\<Colon>'                : '\U00002237',
+        '\\<up>'                   : '\U00002191',
+        '\\<Up>'                   : '\U000021d1',
+        '\\<down>'                 : '\U00002193',
+        '\\<Down>'                 : '\U000021d3',
+        '\\<updown>'               : '\U00002195',
+        '\\<Updown>'               : '\U000021d5',
+        '\\<langle>'               : '\U000027e8',
+        '\\<rangle>'               : '\U000027e9',
+        '\\<lceil>'                : '\U00002308',
+        '\\<rceil>'                : '\U00002309',
+        '\\<lfloor>'               : '\U0000230a',
+        '\\<rfloor>'               : '\U0000230b',
+        '\\<lparr>'                : '\U00002987',
+        '\\<rparr>'                : '\U00002988',
+        '\\<lbrakk>'               : '\U000027e6',
+        '\\<rbrakk>'               : '\U000027e7',
+        '\\<lbrace>'               : '\U00002983',
+        '\\<rbrace>'               : '\U00002984',
+        '\\<guillemotleft>'        : '\U000000ab',
+        '\\<guillemotright>'       : '\U000000bb',
+        '\\<bottom>'               : '\U000022a5',
+        '\\<top>'                  : '\U000022a4',
+        '\\<and>'                  : '\U00002227',
+        '\\<And>'                  : '\U000022c0',
+        '\\<or>'                   : '\U00002228',
+        '\\<Or>'                   : '\U000022c1',
+        '\\<forall>'               : '\U00002200',
+        '\\<exists>'               : '\U00002203',
+        '\\<nexists>'              : '\U00002204',
+        '\\<not>'                  : '\U000000ac',
+        '\\<box>'                  : '\U000025a1',
+        '\\<diamond>'              : '\U000025c7',
+        '\\<turnstile>'            : '\U000022a2',
+        '\\<Turnstile>'            : '\U000022a8',
+        '\\<tturnstile>'           : '\U000022a9',
+        '\\<TTurnstile>'           : '\U000022ab',
+        '\\<stileturn>'            : '\U000022a3',
+        '\\<surd>'                 : '\U0000221a',
+        '\\<le>'                   : '\U00002264',
+        '\\<ge>'                   : '\U00002265',
+        '\\<lless>'                : '\U0000226a',
+        '\\<ggreater>'             : '\U0000226b',
+        '\\<lesssim>'              : '\U00002272',
+        '\\<greatersim>'           : '\U00002273',
+        '\\<lessapprox>'           : '\U00002a85',
+        '\\<greaterapprox>'        : '\U00002a86',
+        '\\<in>'                   : '\U00002208',
+        '\\<notin>'                : '\U00002209',
+        '\\<subset>'               : '\U00002282',
+        '\\<supset>'               : '\U00002283',
+        '\\<subseteq>'             : '\U00002286',
+        '\\<supseteq>'             : '\U00002287',
+        '\\<sqsubset>'             : '\U0000228f',
+        '\\<sqsupset>'             : '\U00002290',
+        '\\<sqsubseteq>'           : '\U00002291',
+        '\\<sqsupseteq>'           : '\U00002292',
+        '\\<inter>'                : '\U00002229',
+        '\\<Inter>'                : '\U000022c2',
+        '\\<union>'                : '\U0000222a',
+        '\\<Union>'                : '\U000022c3',
+        '\\<squnion>'              : '\U00002294',
+        '\\<Squnion>'              : '\U00002a06',
+        '\\<sqinter>'              : '\U00002293',
+        '\\<Sqinter>'              : '\U00002a05',
+        '\\<setminus>'             : '\U00002216',
+        '\\<propto>'               : '\U0000221d',
+        '\\<uplus>'                : '\U0000228e',
+        '\\<Uplus>'                : '\U00002a04',
+        '\\<noteq>'                : '\U00002260',
+        '\\<sim>'                  : '\U0000223c',
+        '\\<doteq>'                : '\U00002250',
+        '\\<simeq>'                : '\U00002243',
+        '\\<approx>'               : '\U00002248',
+        '\\<asymp>'                : '\U0000224d',
+        '\\<cong>'                 : '\U00002245',
+        '\\<smile>'                : '\U00002323',
+        '\\<equiv>'                : '\U00002261',
+        '\\<frown>'                : '\U00002322',
+        '\\<Join>'                 : '\U000022c8',
+        '\\<bowtie>'               : '\U00002a1d',
+        '\\<prec>'                 : '\U0000227a',
+        '\\<succ>'                 : '\U0000227b',
+        '\\<preceq>'               : '\U0000227c',
+        '\\<succeq>'               : '\U0000227d',
+        '\\<parallel>'             : '\U00002225',
+        '\\<bar>'                  : '\U000000a6',
+        '\\<plusminus>'            : '\U000000b1',
+        '\\<minusplus>'            : '\U00002213',
+        '\\<times>'                : '\U000000d7',
+        '\\<div>'                  : '\U000000f7',
+        '\\<cdot>'                 : '\U000022c5',
+        '\\<star>'                 : '\U000022c6',
+        '\\<bullet>'               : '\U00002219',
+        '\\<circ>'                 : '\U00002218',
+        '\\<dagger>'               : '\U00002020',
+        '\\<ddagger>'              : '\U00002021',
+        '\\<lhd>'                  : '\U000022b2',
+        '\\<rhd>'                  : '\U000022b3',
+        '\\<unlhd>'                : '\U000022b4',
+        '\\<unrhd>'                : '\U000022b5',
+        '\\<triangleleft>'         : '\U000025c3',
+        '\\<triangleright>'        : '\U000025b9',
+        '\\<triangle>'             : '\U000025b3',
+        '\\<triangleq>'            : '\U0000225c',
+        '\\<oplus>'                : '\U00002295',
+        '\\<Oplus>'                : '\U00002a01',
+        '\\<otimes>'               : '\U00002297',
+        '\\<Otimes>'               : '\U00002a02',
+        '\\<odot>'                 : '\U00002299',
+        '\\<Odot>'                 : '\U00002a00',
+        '\\<ominus>'               : '\U00002296',
+        '\\<oslash>'               : '\U00002298',
+        '\\<dots>'                 : '\U00002026',
+        '\\<cdots>'                : '\U000022ef',
+        '\\<Sum>'                  : '\U00002211',
+        '\\<Prod>'                 : '\U0000220f',
+        '\\<Coprod>'               : '\U00002210',
+        '\\<infinity>'             : '\U0000221e',
+        '\\<integral>'             : '\U0000222b',
+        '\\<ointegral>'            : '\U0000222e',
+        '\\<clubsuit>'             : '\U00002663',
+        '\\<diamondsuit>'          : '\U00002662',
+        '\\<heartsuit>'            : '\U00002661',
+        '\\<spadesuit>'            : '\U00002660',
+        '\\<aleph>'                : '\U00002135',
+        '\\<emptyset>'             : '\U00002205',
+        '\\<nabla>'                : '\U00002207',
+        '\\<partial>'              : '\U00002202',
+        '\\<flat>'                 : '\U0000266d',
+        '\\<natural>'              : '\U0000266e',
+        '\\<sharp>'                : '\U0000266f',
+        '\\<angle>'                : '\U00002220',
+        '\\<copyright>'            : '\U000000a9',
+        '\\<registered>'           : '\U000000ae',
+        '\\<hyphen>'               : '\U000000ad',
+        '\\<inverse>'              : '\U000000af',
+        '\\<onequarter>'           : '\U000000bc',
+        '\\<onehalf>'              : '\U000000bd',
+        '\\<threequarters>'        : '\U000000be',
+        '\\<ordfeminine>'          : '\U000000aa',
+        '\\<ordmasculine>'         : '\U000000ba',
+        '\\<section>'              : '\U000000a7',
+        '\\<paragraph>'            : '\U000000b6',
+        '\\<exclamdown>'           : '\U000000a1',
+        '\\<questiondown>'         : '\U000000bf',
+        '\\<euro>'                 : '\U000020ac',
+        '\\<pounds>'               : '\U000000a3',
+        '\\<yen>'                  : '\U000000a5',
+        '\\<cent>'                 : '\U000000a2',
+        '\\<currency>'             : '\U000000a4',
+        '\\<degree>'               : '\U000000b0',
+        '\\<amalg>'                : '\U00002a3f',
+        '\\<mho>'                  : '\U00002127',
+        '\\<lozenge>'              : '\U000025ca',
+        '\\<wp>'                   : '\U00002118',
+        '\\<wrong>'                : '\U00002240',
+        '\\<struct>'               : '\U000022c4',
+        '\\<acute>'                : '\U000000b4',
+        '\\<index>'                : '\U00000131',
+        '\\<dieresis>'             : '\U000000a8',
+        '\\<cedilla>'              : '\U000000b8',
+        '\\<hungarumlaut>'         : '\U000002dd',
+        '\\<some>'                 : '\U000003f5',
+        '\\<newline>'              : '\U000023ce',
+        '\\<open>'                 : '\U00002039',
+        '\\<close>'                : '\U0000203a',
+        '\\<here>'                 : '\U00002302',
+        '\\<^sub>'                 : '\U000021e9',
+        '\\<^sup>'                 : '\U000021e7',
+        '\\<^bold>'                : '\U00002759',
+        '\\<^bsub>'                : '\U000021d8',
+        '\\<^esub>'                : '\U000021d9',
+        '\\<^bsup>'                : '\U000021d7',
+        '\\<^esup>'                : '\U000021d6',
+    }
+
+    lang_map = {'isabelle' : isabelle_symbols, 'latex' : latex_symbols}
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        lang = get_choice_opt(options, 'lang',
+                              ['isabelle', 'latex'], 'isabelle')
+        self.symbols = self.lang_map[lang]
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if value in self.symbols:
+                yield ttype, self.symbols[value]
+            else:
+                yield ttype, value
+
+
+class KeywordCaseFilter(Filter):
+    """Convert keywords to lowercase or uppercase or capitalize them, which
+    means first letter uppercase, rest lowercase.
+
+    This can be useful e.g. if you highlight Pascal code and want to adapt the
+    code to your styleguide.
+
+    Options accepted:
+
+    `case` : string
+       The casing to convert keywords to. Must be one of ``'lower'``,
+       ``'upper'`` or ``'capitalize'``.  The default is ``'lower'``.
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        case = get_choice_opt(options, 'case',
+                              ['lower', 'upper', 'capitalize'], 'lower')
+        self.convert = getattr(str, case)
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if ttype in Keyword:
+                yield ttype, self.convert(value)
+            else:
+                yield ttype, value
+
+
+class NameHighlightFilter(Filter):
+    """Highlight a normal Name (and Name.*) token with a different token type.
+
+    Example::
+
+        filter = NameHighlightFilter(
+            names=['foo', 'bar', 'baz'],
+            tokentype=Name.Function,
+        )
+
+    This would highlight the names "foo", "bar" and "baz"
+    as functions. `Name.Function` is the default token type.
+
+    Options accepted:
+
+    `names` : list of strings
+      A list of names that should be given the different token type.
+      There is no default.
+    `tokentype` : TokenType or string
+      A token type or a string containing a token type name that is
+      used for highlighting the strings in `names`.  The default is
+      `Name.Function`.
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        self.names = set(get_list_opt(options, 'names', []))
+        tokentype = options.get('tokentype')
+        if tokentype:
+            self.tokentype = string_to_tokentype(tokentype)
+        else:
+            self.tokentype = Name.Function
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if ttype in Name and value in self.names:
+                yield self.tokentype, value
+            else:
+                yield ttype, value
+
+
+class ErrorToken(Exception):
+    pass
+
+
+class RaiseOnErrorTokenFilter(Filter):
+    """Raise an exception when the lexer generates an error token.
+
+    Options accepted:
+
+    `excclass` : Exception class
+      The exception class to raise.
+      The default is `pygments.filters.ErrorToken`.
+
+    .. versionadded:: 0.8
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        self.exception = options.get('excclass', ErrorToken)
+        try:
+            # issubclass() will raise TypeError if first argument is not a class
+            if not issubclass(self.exception, Exception):
+                raise TypeError
+        except TypeError:
+            raise OptionError('excclass option is not an exception class')
+
+    def filter(self, lexer, stream):
+        for ttype, value in stream:
+            if ttype is Error:
+                raise self.exception(value)
+            yield ttype, value
+
+
+class VisibleWhitespaceFilter(Filter):
+    """Convert tabs, newlines and/or spaces to visible characters.
+
+    Options accepted:
+
+    `spaces` : string or bool
+      If this is a one-character string, spaces will be replaces by this string.
+      If it is another true value, spaces will be replaced by ``·`` (unicode
+      MIDDLE DOT).  If it is a false value, spaces will not be replaced.  The
+      default is ``False``.
+    `tabs` : string or bool
+      The same as for `spaces`, but the default replacement character is ``»``
+      (unicode RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK).  The default value
+      is ``False``.  Note: this will not work if the `tabsize` option for the
+      lexer is nonzero, as tabs will already have been expanded then.
+    `tabsize` : int
+      If tabs are to be replaced by this filter (see the `tabs` option), this
+      is the total number of characters that a tab should be expanded to.
+      The default is ``8``.
+    `newlines` : string or bool
+      The same as for `spaces`, but the default replacement character is ``¶``
+      (unicode PILCROW SIGN).  The default value is ``False``.
+    `wstokentype` : bool
+      If true, give whitespace the special `Whitespace` token type.  This allows
+      styling the visible whitespace differently (e.g. greyed out), but it can
+      disrupt background colors.  The default is ``True``.
+
+    .. versionadded:: 0.8
+    """
+
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        for name, default in [('spaces',   '·'),
+                              ('tabs',     '»'),
+                              ('newlines', '¶')]:
+            opt = options.get(name, False)
+            if isinstance(opt, str) and len(opt) == 1:
+                setattr(self, name, opt)
+            else:
+                setattr(self, name, (opt and default or ''))
+        tabsize = get_int_opt(options, 'tabsize', 8)
+        if self.tabs:
+            self.tabs += ' ' * (tabsize - 1)
+        if self.newlines:
+            self.newlines += '\n'
+        self.wstt = get_bool_opt(options, 'wstokentype', True)
+
+    def filter(self, lexer, stream):
+        if self.wstt:
+            spaces = self.spaces or ' '
+            tabs = self.tabs or '\t'
+            newlines = self.newlines or '\n'
+            regex = re.compile(r'\s')
+
+            def replacefunc(wschar):
+                if wschar == ' ':
+                    return spaces
+                elif wschar == '\t':
+                    return tabs
+                elif wschar == '\n':
+                    return newlines
+                return wschar
+
+            for ttype, value in stream:
+                yield from _replace_special(ttype, value, regex, Whitespace,
+                                            replacefunc)
+        else:
+            spaces, tabs, newlines = self.spaces, self.tabs, self.newlines
+            # simpler processing
+            for ttype, value in stream:
+                if spaces:
+                    value = value.replace(' ', spaces)
+                if tabs:
+                    value = value.replace('\t', tabs)
+                if newlines:
+                    value = value.replace('\n', newlines)
+                yield ttype, value
+
+
+class GobbleFilter(Filter):
+    """Gobbles source code lines (eats initial characters).
+
+    This filter drops the first ``n`` characters off every line of code.  This
+    may be useful when the source code fed to the lexer is indented by a fixed
+    amount of space that isn't desired in the output.
+
+    Options accepted:
+
+    `n` : int
+       The number of characters to gobble.
+
+    .. versionadded:: 1.2
+    """
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+        self.n = get_int_opt(options, 'n', 0)
+
+    def gobble(self, value, left):
+        if left < len(value):
+            return value[left:], 0
+        else:
+            return '', left - len(value)
+
+    def filter(self, lexer, stream):
+        n = self.n
+        left = n  # How many characters left to gobble.
+        for ttype, value in stream:
+            # Remove ``left`` tokens from first line, ``n`` from all others.
+            parts = value.split('\n')
+            (parts[0], left) = self.gobble(parts[0], left)
+            for i in range(1, len(parts)):
+                (parts[i], left) = self.gobble(parts[i], n)
+            value = '\n'.join(parts)
+
+            if value != '':
+                yield ttype, value
+
+
+class TokenMergeFilter(Filter):
+    """Merges consecutive tokens with the same token type in the output
+    stream of a lexer.
+
+    .. versionadded:: 1.2
+    """
+    def __init__(self, **options):
+        Filter.__init__(self, **options)
+
+    def filter(self, lexer, stream):
+        current_type = None
+        current_value = None
+        for ttype, value in stream:
+            if ttype is current_type:
+                current_value += value
+            else:
+                if current_type is not None:
+                    yield current_type, current_value
+                current_type = ttype
+                current_value = value
+        if current_type is not None:
+            yield current_type, current_value
+
+
+FILTERS = {
+    'codetagify':     CodeTagFilter,
+    'keywordcase':    KeywordCaseFilter,
+    'highlight':      NameHighlightFilter,
+    'raiseonerror':   RaiseOnErrorTokenFilter,
+    'whitespace':     VisibleWhitespaceFilter,
+    'gobble':         GobbleFilter,
+    'tokenmerge':     TokenMergeFilter,
+    'symbols':        SymbolFilter,
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filters/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filters/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..af5aef79
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/filters/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatter.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatter.py
new file mode 100644
index 00000000..3ca4892f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatter.py
@@ -0,0 +1,124 @@
+"""
+    pygments.formatter
+    ~~~~~~~~~~~~~~~~~~
+
+    Base formatter class.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import codecs
+
+from pip._vendor.pygments.util import get_bool_opt
+from pip._vendor.pygments.styles import get_style_by_name
+
+__all__ = ['Formatter']
+
+
+def _lookup_style(style):
+    if isinstance(style, str):
+        return get_style_by_name(style)
+    return style
+
+
+class Formatter:
+    """
+    Converts a token stream to text.
+
+    Formatters should have attributes to help selecting them. These
+    are similar to the corresponding :class:`~pygments.lexer.Lexer`
+    attributes.
+
+    .. autoattribute:: name
+       :no-value:
+
+    .. autoattribute:: aliases
+       :no-value:
+
+    .. autoattribute:: filenames
+       :no-value:
+
+    You can pass options as keyword arguments to the constructor.
+    All formatters accept these basic options:
+
+    ``style``
+        The style to use, can be a string or a Style subclass
+        (default: "default"). Not used by e.g. the
+        TerminalFormatter.
+    ``full``
+        Tells the formatter to output a "full" document, i.e.
+        a complete self-contained document. This doesn't have
+        any effect for some formatters (default: false).
+    ``title``
+        If ``full`` is true, the title that should be used to
+        caption the document (default: '').
+    ``encoding``
+        If given, must be an encoding name. This will be used to
+        convert the Unicode token strings to byte strings in the
+        output. If it is "" or None, Unicode strings will be written
+        to the output file, which most file-like objects do not
+        support (default: None).
+    ``outencoding``
+        Overrides ``encoding`` if given.
+
+    """
+
+    #: Full name for the formatter, in human-readable form.
+    name = None
+
+    #: A list of short, unique identifiers that can be used to lookup
+    #: the formatter from a list, e.g. using :func:`.get_formatter_by_name()`.
+    aliases = []
+
+    #: A list of fnmatch patterns that match filenames for which this
+    #: formatter can produce output. The patterns in this list should be unique
+    #: among all formatters.
+    filenames = []
+
+    #: If True, this formatter outputs Unicode strings when no encoding
+    #: option is given.
+    unicodeoutput = True
+
+    def __init__(self, **options):
+        """
+        As with lexers, this constructor takes arbitrary optional arguments,
+        and if you override it, you should first process your own options, then
+        call the base class implementation.
+        """
+        self.style = _lookup_style(options.get('style', 'default'))
+        self.full = get_bool_opt(options, 'full', False)
+        self.title = options.get('title', '')
+        self.encoding = options.get('encoding', None) or None
+        if self.encoding in ('guess', 'chardet'):
+            # can happen for e.g. pygmentize -O encoding=guess
+            self.encoding = 'utf-8'
+        self.encoding = options.get('outencoding') or self.encoding
+        self.options = options
+
+    def get_style_defs(self, arg=''):
+        """
+        This method must return statements or declarations suitable to define
+        the current style for subsequent highlighted text (e.g. CSS classes
+        in the `HTMLFormatter`).
+
+        The optional argument `arg` can be used to modify the generation and
+        is formatter dependent (it is standardized because it can be given on
+        the command line).
+
+        This method is called by the ``-S`` :doc:`command-line option <cmdline>`,
+        the `arg` is then given by the ``-a`` option.
+        """
+        return ''
+
+    def format(self, tokensource, outfile):
+        """
+        This method must format the tokens from the `tokensource` iterable and
+        write the formatted version to the file object `outfile`.
+
+        Formatter options can control how exactly the tokens are converted.
+        """
+        if self.encoding:
+            # wrap the outfile in a StreamWriter
+            outfile = codecs.lookup(self.encoding)[3](outfile)
+        return self.format_unencoded(tokensource, outfile)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/__init__.py
new file mode 100644
index 00000000..39db8426
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/__init__.py
@@ -0,0 +1,158 @@
+"""
+    pygments.formatters
+    ~~~~~~~~~~~~~~~~~~~
+
+    Pygments formatters.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+import sys
+import types
+import fnmatch
+from os.path import basename
+
+from pip._vendor.pygments.formatters._mapping import FORMATTERS
+from pip._vendor.pygments.plugin import find_plugin_formatters
+from pip._vendor.pygments.util import ClassNotFound
+
+__all__ = ['get_formatter_by_name', 'get_formatter_for_filename',
+           'get_all_formatters', 'load_formatter_from_file'] + list(FORMATTERS)
+
+_formatter_cache = {}  # classes by name
+_pattern_cache = {}
+
+
+def _fn_matches(fn, glob):
+    """Return whether the supplied file name fn matches pattern filename."""
+    if glob not in _pattern_cache:
+        pattern = _pattern_cache[glob] = re.compile(fnmatch.translate(glob))
+        return pattern.match(fn)
+    return _pattern_cache[glob].match(fn)
+
+
+def _load_formatters(module_name):
+    """Load a formatter (and all others in the module too)."""
+    mod = __import__(module_name, None, None, ['__all__'])
+    for formatter_name in mod.__all__:
+        cls = getattr(mod, formatter_name)
+        _formatter_cache[cls.name] = cls
+
+
+def get_all_formatters():
+    """Return a generator for all formatter classes."""
+    # NB: this returns formatter classes, not info like get_all_lexers().
+    for info in FORMATTERS.values():
+        if info[1] not in _formatter_cache:
+            _load_formatters(info[0])
+        yield _formatter_cache[info[1]]
+    for _, formatter in find_plugin_formatters():
+        yield formatter
+
+
+def find_formatter_class(alias):
+    """Lookup a formatter by alias.
+
+    Returns None if not found.
+    """
+    for module_name, name, aliases, _, _ in FORMATTERS.values():
+        if alias in aliases:
+            if name not in _formatter_cache:
+                _load_formatters(module_name)
+            return _formatter_cache[name]
+    for _, cls in find_plugin_formatters():
+        if alias in cls.aliases:
+            return cls
+
+
+def get_formatter_by_name(_alias, **options):
+    """
+    Return an instance of a :class:`.Formatter` subclass that has `alias` in its
+    aliases list. The formatter is given the `options` at its instantiation.
+
+    Will raise :exc:`pygments.util.ClassNotFound` if no formatter with that
+    alias is found.
+    """
+    cls = find_formatter_class(_alias)
+    if cls is None:
+        raise ClassNotFound("no formatter found for name %r" % _alias)
+    return cls(**options)
+
+
+def load_formatter_from_file(filename, formattername="CustomFormatter", **options):
+    """
+    Return a `Formatter` subclass instance loaded from the provided file, relative
+    to the current directory.
+
+    The file is expected to contain a Formatter class named ``formattername``
+    (by default, CustomFormatter). Users should be very careful with the input, because
+    this method is equivalent to running ``eval()`` on the input file. The formatter is
+    given the `options` at its instantiation.
+
+    :exc:`pygments.util.ClassNotFound` is raised if there are any errors loading
+    the formatter.
+
+    .. versionadded:: 2.2
+    """
+    try:
+        # This empty dict will contain the namespace for the exec'd file
+        custom_namespace = {}
+        with open(filename, 'rb') as f:
+            exec(f.read(), custom_namespace)
+        # Retrieve the class `formattername` from that namespace
+        if formattername not in custom_namespace:
+            raise ClassNotFound('no valid %s class found in %s' %
+                                (formattername, filename))
+        formatter_class = custom_namespace[formattername]
+        # And finally instantiate it with the options
+        return formatter_class(**options)
+    except OSError as err:
+        raise ClassNotFound('cannot read %s: %s' % (filename, err))
+    except ClassNotFound:
+        raise
+    except Exception as err:
+        raise ClassNotFound('error when loading custom formatter: %s' % err)
+
+
+def get_formatter_for_filename(fn, **options):
+    """
+    Return a :class:`.Formatter` subclass instance that has a filename pattern
+    matching `fn`. The formatter is given the `options` at its instantiation.
+
+    Will raise :exc:`pygments.util.ClassNotFound` if no formatter for that filename
+    is found.
+    """
+    fn = basename(fn)
+    for modname, name, _, filenames, _ in FORMATTERS.values():
+        for filename in filenames:
+            if _fn_matches(fn, filename):
+                if name not in _formatter_cache:
+                    _load_formatters(modname)
+                return _formatter_cache[name](**options)
+    for cls in find_plugin_formatters():
+        for filename in cls.filenames:
+            if _fn_matches(fn, filename):
+                return cls(**options)
+    raise ClassNotFound("no formatter found for file name %r" % fn)
+
+
+class _automodule(types.ModuleType):
+    """Automatically import formatters."""
+
+    def __getattr__(self, name):
+        info = FORMATTERS.get(name)
+        if info:
+            _load_formatters(info[0])
+            cls = _formatter_cache[info[1]]
+            setattr(self, name, cls)
+            return cls
+        raise AttributeError(name)
+
+
+oldmod = sys.modules[__name__]
+newmod = _automodule(__name__)
+newmod.__dict__.update(oldmod.__dict__)
+sys.modules[__name__] = newmod
+del newmod.newmod, newmod.oldmod, newmod.sys, newmod.types
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/_mapping.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/_mapping.py
new file mode 100644
index 00000000..72ca8404
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/_mapping.py
@@ -0,0 +1,23 @@
+# Automatically generated by scripts/gen_mapfiles.py.
+# DO NOT EDIT BY HAND; run `tox -e mapfiles` instead.
+
+FORMATTERS = {
+    'BBCodeFormatter': ('pygments.formatters.bbcode', 'BBCode', ('bbcode', 'bb'), (), 'Format tokens with BBcodes. These formatting codes are used by many bulletin boards, so you can highlight your sourcecode with pygments before posting it there.'),
+    'BmpImageFormatter': ('pygments.formatters.img', 'img_bmp', ('bmp', 'bitmap'), ('*.bmp',), 'Create a bitmap image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'GifImageFormatter': ('pygments.formatters.img', 'img_gif', ('gif',), ('*.gif',), 'Create a GIF image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'GroffFormatter': ('pygments.formatters.groff', 'groff', ('groff', 'troff', 'roff'), (), 'Format tokens with groff escapes to change their color and font style.'),
+    'HtmlFormatter': ('pygments.formatters.html', 'HTML', ('html',), ('*.html', '*.htm'), "Format tokens as HTML 4 ``<span>`` tags. By default, the content is enclosed in a ``<pre>`` tag, itself wrapped in a ``<div>`` tag (but see the `nowrap` option). The ``<div>``'s CSS class can be set by the `cssclass` option."),
+    'IRCFormatter': ('pygments.formatters.irc', 'IRC', ('irc', 'IRC'), (), 'Format tokens with IRC color sequences'),
+    'ImageFormatter': ('pygments.formatters.img', 'img', ('img', 'IMG', 'png'), ('*.png',), 'Create a PNG image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'JpgImageFormatter': ('pygments.formatters.img', 'img_jpg', ('jpg', 'jpeg'), ('*.jpg',), 'Create a JPEG image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
+    'LatexFormatter': ('pygments.formatters.latex', 'LaTeX', ('latex', 'tex'), ('*.tex',), 'Format tokens as LaTeX code. This needs the `fancyvrb` and `color` standard packages.'),
+    'NullFormatter': ('pygments.formatters.other', 'Text only', ('text', 'null'), ('*.txt',), 'Output the text unchanged without any formatting.'),
+    'PangoMarkupFormatter': ('pygments.formatters.pangomarkup', 'Pango Markup', ('pango', 'pangomarkup'), (), 'Format tokens as Pango Markup code. It can then be rendered to an SVG.'),
+    'RawTokenFormatter': ('pygments.formatters.other', 'Raw tokens', ('raw', 'tokens'), ('*.raw',), 'Format tokens as a raw representation for storing token streams.'),
+    'RtfFormatter': ('pygments.formatters.rtf', 'RTF', ('rtf',), ('*.rtf',), 'Format tokens as RTF markup. This formatter automatically outputs full RTF documents with color information and other useful stuff. Perfect for Copy and Paste into Microsoft(R) Word(R) documents.'),
+    'SvgFormatter': ('pygments.formatters.svg', 'SVG', ('svg',), ('*.svg',), 'Format tokens as an SVG graphics file.  This formatter is still experimental. Each line of code is a ``<text>`` element with explicit ``x`` and ``y`` coordinates containing ``<tspan>`` elements with the individual token styles.'),
+    'Terminal256Formatter': ('pygments.formatters.terminal256', 'Terminal256', ('terminal256', 'console256', '256'), (), 'Format tokens with ANSI color sequences, for output in a 256-color terminal or console.  Like in `TerminalFormatter` color sequences are terminated at newlines, so that paging the output works correctly.'),
+    'TerminalFormatter': ('pygments.formatters.terminal', 'Terminal', ('terminal', 'console'), (), 'Format tokens with ANSI color sequences, for output in a text console. Color sequences are terminated at newlines, so that paging the output works correctly.'),
+    'TerminalTrueColorFormatter': ('pygments.formatters.terminal256', 'TerminalTrueColor', ('terminal16m', 'console16m', '16m'), (), 'Format tokens with ANSI color sequences, for output in a true-color terminal or console.  Like in `TerminalFormatter` color sequences are terminated at newlines, so that paging the output works correctly.'),
+    'TestcaseFormatter': ('pygments.formatters.other', 'Testcase', ('testcase',), (), 'Format tokens as appropriate for a new testcase.'),
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/bbcode.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/bbcode.py
new file mode 100644
index 00000000..c4db8f4e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/bbcode.py
@@ -0,0 +1,108 @@
+"""
+    pygments.formatters.bbcode
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    BBcode formatter.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_bool_opt
+
+__all__ = ['BBCodeFormatter']
+
+
+class BBCodeFormatter(Formatter):
+    """
+    Format tokens with BBcodes. These formatting codes are used by many
+    bulletin boards, so you can highlight your sourcecode with pygments before
+    posting it there.
+
+    This formatter has no support for background colors and borders, as there
+    are no common BBcode tags for that.
+
+    Some board systems (e.g. phpBB) don't support colors in their [code] tag,
+    so you can't use the highlighting together with that tag.
+    Text in a [code] tag usually is shown with a monospace font (which this
+    formatter can do with the ``monofont`` option) and no spaces (which you
+    need for indentation) are removed.
+
+    Additional options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `codetag`
+        If set to true, put the output into ``[code]`` tags (default:
+        ``false``)
+
+    `monofont`
+        If set to true, add a tag to show the code with a monospace font
+        (default: ``false``).
+    """
+    name = 'BBCode'
+    aliases = ['bbcode', 'bb']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self._code = get_bool_opt(options, 'codetag', False)
+        self._mono = get_bool_opt(options, 'monofont', False)
+
+        self.styles = {}
+        self._make_styles()
+
+    def _make_styles(self):
+        for ttype, ndef in self.style:
+            start = end = ''
+            if ndef['color']:
+                start += '[color=#%s]' % ndef['color']
+                end = '[/color]' + end
+            if ndef['bold']:
+                start += '[b]'
+                end = '[/b]' + end
+            if ndef['italic']:
+                start += '[i]'
+                end = '[/i]' + end
+            if ndef['underline']:
+                start += '[u]'
+                end = '[/u]' + end
+            # there are no common BBcodes for background-color and border
+
+            self.styles[ttype] = start, end
+
+    def format_unencoded(self, tokensource, outfile):
+        if self._code:
+            outfile.write('[code]')
+        if self._mono:
+            outfile.write('[font=monospace]')
+
+        lastval = ''
+        lasttype = None
+
+        for ttype, value in tokensource:
+            while ttype not in self.styles:
+                ttype = ttype.parent
+            if ttype == lasttype:
+                lastval += value
+            else:
+                if lastval:
+                    start, end = self.styles[lasttype]
+                    outfile.write(''.join((start, lastval, end)))
+                lastval = value
+                lasttype = ttype
+
+        if lastval:
+            start, end = self.styles[lasttype]
+            outfile.write(''.join((start, lastval, end)))
+
+        if self._mono:
+            outfile.write('[/font]')
+        if self._code:
+            outfile.write('[/code]')
+        if self._code or self._mono:
+            outfile.write('\n')
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/groff.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/groff.py
new file mode 100644
index 00000000..30a528e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/groff.py
@@ -0,0 +1,170 @@
+"""
+    pygments.formatters.groff
+    ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for groff output.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import math
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt
+
+__all__ = ['GroffFormatter']
+
+
+class GroffFormatter(Formatter):
+    """
+    Format tokens with groff escapes to change their color and font style.
+
+    .. versionadded:: 2.11
+
+    Additional options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `monospaced`
+        If set to true, monospace font will be used (default: ``true``).
+
+    `linenos`
+        If set to true, print the line numbers (default: ``false``).
+
+    `wrap`
+        Wrap lines to the specified number of characters. Disabled if set to 0
+        (default: ``0``).
+    """
+
+    name = 'groff'
+    aliases = ['groff','troff','roff']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+
+        self.monospaced = get_bool_opt(options, 'monospaced', True)
+        self.linenos = get_bool_opt(options, 'linenos', False)
+        self._lineno = 0
+        self.wrap = get_int_opt(options, 'wrap', 0)
+        self._linelen = 0
+
+        self.styles = {}
+        self._make_styles()
+
+
+    def _make_styles(self):
+        regular = '\\f[CR]' if self.monospaced else '\\f[R]'
+        bold = '\\f[CB]' if self.monospaced else '\\f[B]'
+        italic = '\\f[CI]' if self.monospaced else '\\f[I]'
+
+        for ttype, ndef in self.style:
+            start = end = ''
+            if ndef['color']:
+                start += '\\m[%s]' % ndef['color']
+                end = '\\m[]' + end
+            if ndef['bold']:
+                start += bold
+                end = regular + end
+            if ndef['italic']:
+                start += italic
+                end = regular + end
+            if ndef['bgcolor']:
+                start += '\\M[%s]' % ndef['bgcolor']
+                end = '\\M[]' + end
+
+            self.styles[ttype] = start, end
+
+
+    def _define_colors(self, outfile):
+        colors = set()
+        for _, ndef in self.style:
+            if ndef['color'] is not None:
+                colors.add(ndef['color'])
+
+        for color in sorted(colors):
+            outfile.write('.defcolor ' + color + ' rgb #' + color + '\n')
+
+
+    def _write_lineno(self, outfile):
+        self._lineno += 1
+        outfile.write("%s% 4d " % (self._lineno != 1 and '\n' or '', self._lineno))
+
+
+    def _wrap_line(self, line):
+        length = len(line.rstrip('\n'))
+        space = '     ' if self.linenos else ''
+        newline = ''
+
+        if length > self.wrap:
+            for i in range(0, math.floor(length / self.wrap)):
+                chunk = line[i*self.wrap:i*self.wrap+self.wrap]
+                newline += (chunk + '\n' + space)
+            remainder = length % self.wrap
+            if remainder > 0:
+                newline += line[-remainder-1:]
+                self._linelen = remainder
+        elif self._linelen + length > self.wrap:
+            newline = ('\n' + space) + line
+            self._linelen = length
+        else:
+            newline = line
+            self._linelen += length
+
+        return newline
+
+
+    def _escape_chars(self, text):
+        text = text.replace('\\', '\\[u005C]'). \
+                    replace('.', '\\[char46]'). \
+                    replace('\'', '\\[u0027]'). \
+                    replace('`', '\\[u0060]'). \
+                    replace('~', '\\[u007E]')
+        copy = text
+
+        for char in copy:
+            if len(char) != len(char.encode()):
+                uni = char.encode('unicode_escape') \
+                    .decode()[1:] \
+                    .replace('x', 'u00') \
+                    .upper()
+                text = text.replace(char, '\\[u' + uni[1:] + ']')
+
+        return text
+
+
+    def format_unencoded(self, tokensource, outfile):
+        self._define_colors(outfile)
+
+        outfile.write('.nf\n\\f[CR]\n')
+
+        if self.linenos:
+            self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            while ttype not in self.styles:
+                ttype = ttype.parent
+            start, end = self.styles[ttype]
+
+            for line in value.splitlines(True):
+                if self.wrap > 0:
+                    line = self._wrap_line(line)
+
+                if start and end:
+                    text = self._escape_chars(line.rstrip('\n'))
+                    if text != '':
+                        outfile.write(''.join((start, text, end)))
+                else:
+                    outfile.write(self._escape_chars(line.rstrip('\n')))
+
+                if line.endswith('\n'):
+                    if self.linenos:
+                        self._write_lineno(outfile)
+                        self._linelen = 0
+                    else:
+                        outfile.write('\n')
+                        self._linelen = 0
+
+        outfile.write('\n.fi')
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/html.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/html.py
new file mode 100644
index 00000000..931d7c3f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/html.py
@@ -0,0 +1,989 @@
+"""
+    pygments.formatters.html
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for HTML output.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import functools
+import os
+import sys
+import os.path
+from io import StringIO
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Token, Text, STANDARD_TYPES
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt, get_list_opt
+
+try:
+    import ctags
+except ImportError:
+    ctags = None
+
+__all__ = ['HtmlFormatter']
+
+
+_escape_html_table = {
+    ord('&'): '&amp;',
+    ord('<'): '&lt;',
+    ord('>'): '&gt;',
+    ord('"'): '&quot;',
+    ord("'"): '&#39;',
+}
+
+
+def escape_html(text, table=_escape_html_table):
+    """Escape &, <, > as well as single and double quotes for HTML."""
+    return text.translate(table)
+
+
+def webify(color):
+    if color.startswith('calc') or color.startswith('var'):
+        return color
+    else:
+        return '#' + color
+
+
+def _get_ttype_class(ttype):
+    fname = STANDARD_TYPES.get(ttype)
+    if fname:
+        return fname
+    aname = ''
+    while fname is None:
+        aname = '-' + ttype[-1] + aname
+        ttype = ttype.parent
+        fname = STANDARD_TYPES.get(ttype)
+    return fname + aname
+
+
+CSSFILE_TEMPLATE = '''\
+/*
+generated by Pygments <https://pygments.org/>
+Copyright 2006-2023 by the Pygments team.
+Licensed under the BSD license, see LICENSE for details.
+*/
+%(styledefs)s
+'''
+
+DOC_HEADER = '''\
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
+   "http://www.w3.org/TR/html4/strict.dtd">
+<!--
+generated by Pygments <https://pygments.org/>
+Copyright 2006-2023 by the Pygments team.
+Licensed under the BSD license, see LICENSE for details.
+-->
+<html>
+<head>
+  <title>%(title)s</title>
+  <meta http-equiv="content-type" content="text/html; charset=%(encoding)s">
+  <style type="text/css">
+''' + CSSFILE_TEMPLATE + '''
+  </style>
+</head>
+<body>
+<h2>%(title)s</h2>
+
+'''
+
+DOC_HEADER_EXTERNALCSS = '''\
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
+   "http://www.w3.org/TR/html4/strict.dtd">
+
+<html>
+<head>
+  <title>%(title)s</title>
+  <meta http-equiv="content-type" content="text/html; charset=%(encoding)s">
+  <link rel="stylesheet" href="%(cssfile)s" type="text/css">
+</head>
+<body>
+<h2>%(title)s</h2>
+
+'''
+
+DOC_FOOTER = '''\
+</body>
+</html>
+'''
+
+
+class HtmlFormatter(Formatter):
+    r"""
+    Format tokens as HTML 4 ``<span>`` tags. By default, the content is enclosed
+    in a ``<pre>`` tag, itself wrapped in a ``<div>`` tag (but see the `nowrap` option).
+    The ``<div>``'s CSS class can be set by the `cssclass` option.
+
+    If the `linenos` option is set to ``"table"``, the ``<pre>`` is
+    additionally wrapped inside a ``<table>`` which has one row and two
+    cells: one containing the line numbers and one containing the code.
+    Example:
+
+    .. sourcecode:: html
+
+        <div class="highlight" >
+        <table><tr>
+          <td class="linenos" title="click to toggle"
+            onclick="with (this.firstChild.style)
+                     { display = (display == '') ? 'none' : '' }">
+            <pre>1
+            2</pre>
+          </td>
+          <td class="code">
+            <pre><span class="Ke">def </span><span class="NaFu">foo</span>(bar):
+              <span class="Ke">pass</span>
+            </pre>
+          </td>
+        </tr></table></div>
+
+    (whitespace added to improve clarity).
+
+    A list of lines can be specified using the `hl_lines` option to make these
+    lines highlighted (as of Pygments 0.11).
+
+    With the `full` option, a complete HTML 4 document is output, including
+    the style definitions inside a ``<style>`` tag, or in a separate file if
+    the `cssfile` option is given.
+
+    When `tagsfile` is set to the path of a ctags index file, it is used to
+    generate hyperlinks from names to their definition.  You must enable
+    `lineanchors` and run ctags with the `-n` option for this to work.  The
+    `python-ctags` module from PyPI must be installed to use this feature;
+    otherwise a `RuntimeError` will be raised.
+
+    The `get_style_defs(arg='')` method of a `HtmlFormatter` returns a string
+    containing CSS rules for the CSS classes used by the formatter. The
+    argument `arg` can be used to specify additional CSS selectors that
+    are prepended to the classes. A call `fmter.get_style_defs('td .code')`
+    would result in the following CSS classes:
+
+    .. sourcecode:: css
+
+        td .code .kw { font-weight: bold; color: #00FF00 }
+        td .code .cm { color: #999999 }
+        ...
+
+    If you have Pygments 0.6 or higher, you can also pass a list or tuple to the
+    `get_style_defs()` method to request multiple prefixes for the tokens:
+
+    .. sourcecode:: python
+
+        formatter.get_style_defs(['div.syntax pre', 'pre.syntax'])
+
+    The output would then look like this:
+
+    .. sourcecode:: css
+
+        div.syntax pre .kw,
+        pre.syntax .kw { font-weight: bold; color: #00FF00 }
+        div.syntax pre .cm,
+        pre.syntax .cm { color: #999999 }
+        ...
+
+    Additional options accepted:
+
+    `nowrap`
+        If set to ``True``, don't add a ``<pre>`` and a ``<div>`` tag
+        around the tokens. This disables most other options (default: ``False``).
+
+    `full`
+        Tells the formatter to output a "full" document, i.e. a complete
+        self-contained document (default: ``False``).
+
+    `title`
+        If `full` is true, the title that should be used to caption the
+        document (default: ``''``).
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``). This option has no effect if the `cssfile`
+        and `noclobber_cssfile` option are given and the file specified in
+        `cssfile` exists.
+
+    `noclasses`
+        If set to true, token ``<span>`` tags (as well as line number elements)
+        will not use CSS classes, but inline styles. This is not recommended
+        for larger pieces of code since it increases output size by quite a bit
+        (default: ``False``).
+
+    `classprefix`
+        Since the token types use relatively short class names, they may clash
+        with some of your own class names. In this case you can use the
+        `classprefix` option to give a string to prepend to all Pygments-generated
+        CSS class names for token types.
+        Note that this option also affects the output of `get_style_defs()`.
+
+    `cssclass`
+        CSS class for the wrapping ``<div>`` tag (default: ``'highlight'``).
+        If you set this option, the default selector for `get_style_defs()`
+        will be this class.
+
+        .. versionadded:: 0.9
+           If you select the ``'table'`` line numbers, the wrapping table will
+           have a CSS class of this string plus ``'table'``, the default is
+           accordingly ``'highlighttable'``.
+
+    `cssstyles`
+        Inline CSS styles for the wrapping ``<div>`` tag (default: ``''``).
+
+    `prestyles`
+        Inline CSS styles for the ``<pre>`` tag (default: ``''``).
+
+        .. versionadded:: 0.11
+
+    `cssfile`
+        If the `full` option is true and this option is given, it must be the
+        name of an external file. If the filename does not include an absolute
+        path, the file's path will be assumed to be relative to the main output
+        file's path, if the latter can be found. The stylesheet is then written
+        to this file instead of the HTML file.
+
+        .. versionadded:: 0.6
+
+    `noclobber_cssfile`
+        If `cssfile` is given and the specified file exists, the css file will
+        not be overwritten. This allows the use of the `full` option in
+        combination with a user specified css file. Default is ``False``.
+
+        .. versionadded:: 1.1
+
+    `linenos`
+        If set to ``'table'``, output line numbers as a table with two cells,
+        one containing the line numbers, the other the whole code.  This is
+        copy-and-paste-friendly, but may cause alignment problems with some
+        browsers or fonts.  If set to ``'inline'``, the line numbers will be
+        integrated in the ``<pre>`` tag that contains the code (that setting
+        is *new in Pygments 0.8*).
+
+        For compatibility with Pygments 0.7 and earlier, every true value
+        except ``'inline'`` means the same as ``'table'`` (in particular, that
+        means also ``True``).
+
+        The default value is ``False``, which means no line numbers at all.
+
+        **Note:** with the default ("table") line number mechanism, the line
+        numbers and code can have different line heights in Internet Explorer
+        unless you give the enclosing ``<pre>`` tags an explicit ``line-height``
+        CSS property (you get the default line spacing with ``line-height:
+        125%``).
+
+    `hl_lines`
+        Specify a list of lines to be highlighted. The line numbers are always
+        relative to the input (i.e. the first line is line 1) and are
+        independent of `linenostart`.
+
+        .. versionadded:: 0.11
+
+    `linenostart`
+        The line number for the first line (default: ``1``).
+
+    `linenostep`
+        If set to a number n > 1, only every nth line number is printed.
+
+    `linenospecial`
+        If set to a number n > 0, every nth line number is given the CSS
+        class ``"special"`` (default: ``0``).
+
+    `nobackground`
+        If set to ``True``, the formatter won't output the background color
+        for the wrapping element (this automatically defaults to ``False``
+        when there is no wrapping element [eg: no argument for the
+        `get_syntax_defs` method given]) (default: ``False``).
+
+        .. versionadded:: 0.6
+
+    `lineseparator`
+        This string is output between lines of code. It defaults to ``"\n"``,
+        which is enough to break a line inside ``<pre>`` tags, but you can
+        e.g. set it to ``"<br>"`` to get HTML line breaks.
+
+        .. versionadded:: 0.7
+
+    `lineanchors`
+        If set to a nonempty string, e.g. ``foo``, the formatter will wrap each
+        output line in an anchor tag with an ``id`` (and `name`) of ``foo-linenumber``.
+        This allows easy linking to certain lines.
+
+        .. versionadded:: 0.9
+
+    `linespans`
+        If set to a nonempty string, e.g. ``foo``, the formatter will wrap each
+        output line in a span tag with an ``id`` of ``foo-linenumber``.
+        This allows easy access to lines via javascript.
+
+        .. versionadded:: 1.6
+
+    `anchorlinenos`
+        If set to `True`, will wrap line numbers in <a> tags. Used in
+        combination with `linenos` and `lineanchors`.
+
+    `tagsfile`
+        If set to the path of a ctags file, wrap names in anchor tags that
+        link to their definitions. `lineanchors` should be used, and the
+        tags file should specify line numbers (see the `-n` option to ctags).
+
+        .. versionadded:: 1.6
+
+    `tagurlformat`
+        A string formatting pattern used to generate links to ctags definitions.
+        Available variables are `%(path)s`, `%(fname)s` and `%(fext)s`.
+        Defaults to an empty string, resulting in just `#prefix-number` links.
+
+        .. versionadded:: 1.6
+
+    `filename`
+        A string used to generate a filename when rendering ``<pre>`` blocks,
+        for example if displaying source code. If `linenos` is set to
+        ``'table'`` then the filename will be rendered in an initial row
+        containing a single `<th>` which spans both columns.
+
+        .. versionadded:: 2.1
+
+    `wrapcode`
+        Wrap the code inside ``<pre>`` blocks using ``<code>``, as recommended
+        by the HTML5 specification.
+
+        .. versionadded:: 2.4
+
+    `debug_token_types`
+        Add ``title`` attributes to all token ``<span>`` tags that show the
+        name of the token.
+
+        .. versionadded:: 2.10
+
+
+    **Subclassing the HTML formatter**
+
+    .. versionadded:: 0.7
+
+    The HTML formatter is now built in a way that allows easy subclassing, thus
+    customizing the output HTML code. The `format()` method calls
+    `self._format_lines()` which returns a generator that yields tuples of ``(1,
+    line)``, where the ``1`` indicates that the ``line`` is a line of the
+    formatted source code.
+
+    If the `nowrap` option is set, the generator is the iterated over and the
+    resulting HTML is output.
+
+    Otherwise, `format()` calls `self.wrap()`, which wraps the generator with
+    other generators. These may add some HTML code to the one generated by
+    `_format_lines()`, either by modifying the lines generated by the latter,
+    then yielding them again with ``(1, line)``, and/or by yielding other HTML
+    code before or after the lines, with ``(0, html)``. The distinction between
+    source lines and other code makes it possible to wrap the generator multiple
+    times.
+
+    The default `wrap()` implementation adds a ``<div>`` and a ``<pre>`` tag.
+
+    A custom `HtmlFormatter` subclass could look like this:
+
+    .. sourcecode:: python
+
+        class CodeHtmlFormatter(HtmlFormatter):
+
+            def wrap(self, source, *, include_div):
+                return self._wrap_code(source)
+
+            def _wrap_code(self, source):
+                yield 0, '<code>'
+                for i, t in source:
+                    if i == 1:
+                        # it's a line of formatted code
+                        t += '<br>'
+                    yield i, t
+                yield 0, '</code>'
+
+    This results in wrapping the formatted lines with a ``<code>`` tag, where the
+    source lines are broken using ``<br>`` tags.
+
+    After calling `wrap()`, the `format()` method also adds the "line numbers"
+    and/or "full document" wrappers if the respective options are set. Then, all
+    HTML yielded by the wrapped generator is output.
+    """
+
+    name = 'HTML'
+    aliases = ['html']
+    filenames = ['*.html', '*.htm']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.title = self._decodeifneeded(self.title)
+        self.nowrap = get_bool_opt(options, 'nowrap', False)
+        self.noclasses = get_bool_opt(options, 'noclasses', False)
+        self.classprefix = options.get('classprefix', '')
+        self.cssclass = self._decodeifneeded(options.get('cssclass', 'highlight'))
+        self.cssstyles = self._decodeifneeded(options.get('cssstyles', ''))
+        self.prestyles = self._decodeifneeded(options.get('prestyles', ''))
+        self.cssfile = self._decodeifneeded(options.get('cssfile', ''))
+        self.noclobber_cssfile = get_bool_opt(options, 'noclobber_cssfile', False)
+        self.tagsfile = self._decodeifneeded(options.get('tagsfile', ''))
+        self.tagurlformat = self._decodeifneeded(options.get('tagurlformat', ''))
+        self.filename = self._decodeifneeded(options.get('filename', ''))
+        self.wrapcode = get_bool_opt(options, 'wrapcode', False)
+        self.span_element_openers = {}
+        self.debug_token_types = get_bool_opt(options, 'debug_token_types', False)
+
+        if self.tagsfile:
+            if not ctags:
+                raise RuntimeError('The "ctags" package must to be installed '
+                                   'to be able to use the "tagsfile" feature.')
+            self._ctags = ctags.CTags(self.tagsfile)
+
+        linenos = options.get('linenos', False)
+        if linenos == 'inline':
+            self.linenos = 2
+        elif linenos:
+            # compatibility with <= 0.7
+            self.linenos = 1
+        else:
+            self.linenos = 0
+        self.linenostart = abs(get_int_opt(options, 'linenostart', 1))
+        self.linenostep = abs(get_int_opt(options, 'linenostep', 1))
+        self.linenospecial = abs(get_int_opt(options, 'linenospecial', 0))
+        self.nobackground = get_bool_opt(options, 'nobackground', False)
+        self.lineseparator = options.get('lineseparator', '\n')
+        self.lineanchors = options.get('lineanchors', '')
+        self.linespans = options.get('linespans', '')
+        self.anchorlinenos = get_bool_opt(options, 'anchorlinenos', False)
+        self.hl_lines = set()
+        for lineno in get_list_opt(options, 'hl_lines', []):
+            try:
+                self.hl_lines.add(int(lineno))
+            except ValueError:
+                pass
+
+        self._create_stylesheet()
+
+    def _get_css_class(self, ttype):
+        """Return the css class of this token type prefixed with
+        the classprefix option."""
+        ttypeclass = _get_ttype_class(ttype)
+        if ttypeclass:
+            return self.classprefix + ttypeclass
+        return ''
+
+    def _get_css_classes(self, ttype):
+        """Return the CSS classes of this token type prefixed with the classprefix option."""
+        cls = self._get_css_class(ttype)
+        while ttype not in STANDARD_TYPES:
+            ttype = ttype.parent
+            cls = self._get_css_class(ttype) + ' ' + cls
+        return cls or ''
+
+    def _get_css_inline_styles(self, ttype):
+        """Return the inline CSS styles for this token type."""
+        cclass = self.ttype2class.get(ttype)
+        while cclass is None:
+            ttype = ttype.parent
+            cclass = self.ttype2class.get(ttype)
+        return cclass or ''
+
+    def _create_stylesheet(self):
+        t2c = self.ttype2class = {Token: ''}
+        c2s = self.class2style = {}
+        for ttype, ndef in self.style:
+            name = self._get_css_class(ttype)
+            style = ''
+            if ndef['color']:
+                style += 'color: %s; ' % webify(ndef['color'])
+            if ndef['bold']:
+                style += 'font-weight: bold; '
+            if ndef['italic']:
+                style += 'font-style: italic; '
+            if ndef['underline']:
+                style += 'text-decoration: underline; '
+            if ndef['bgcolor']:
+                style += 'background-color: %s; ' % webify(ndef['bgcolor'])
+            if ndef['border']:
+                style += 'border: 1px solid %s; ' % webify(ndef['border'])
+            if style:
+                t2c[ttype] = name
+                # save len(ttype) to enable ordering the styles by
+                # hierarchy (necessary for CSS cascading rules!)
+                c2s[name] = (style[:-2], ttype, len(ttype))
+
+    def get_style_defs(self, arg=None):
+        """
+        Return CSS style definitions for the classes produced by the current
+        highlighting style. ``arg`` can be a string or list of selectors to
+        insert before the token type classes.
+        """
+        style_lines = []
+
+        style_lines.extend(self.get_linenos_style_defs())
+        style_lines.extend(self.get_background_style_defs(arg))
+        style_lines.extend(self.get_token_style_defs(arg))
+
+        return '\n'.join(style_lines)
+
+    def get_token_style_defs(self, arg=None):
+        prefix = self.get_css_prefix(arg)
+
+        styles = [
+            (level, ttype, cls, style)
+            for cls, (style, ttype, level) in self.class2style.items()
+            if cls and style
+        ]
+        styles.sort()
+
+        lines = [
+            '%s { %s } /* %s */' % (prefix(cls), style, repr(ttype)[6:])
+            for (level, ttype, cls, style) in styles
+        ]
+
+        return lines
+
+    def get_background_style_defs(self, arg=None):
+        prefix = self.get_css_prefix(arg)
+        bg_color = self.style.background_color
+        hl_color = self.style.highlight_color
+
+        lines = []
+
+        if arg and not self.nobackground and bg_color is not None:
+            text_style = ''
+            if Text in self.ttype2class:
+                text_style = ' ' + self.class2style[self.ttype2class[Text]][0]
+            lines.insert(
+                0, '%s{ background: %s;%s }' % (
+                    prefix(''), bg_color, text_style
+                )
+            )
+        if hl_color is not None:
+            lines.insert(
+                0, '%s { background-color: %s }' % (prefix('hll'), hl_color)
+            )
+
+        return lines
+
+    def get_linenos_style_defs(self):
+        lines = [
+            'pre { %s }' % self._pre_style,
+            'td.linenos .normal { %s }' % self._linenos_style,
+            'span.linenos { %s }' % self._linenos_style,
+            'td.linenos .special { %s }' % self._linenos_special_style,
+            'span.linenos.special { %s }' % self._linenos_special_style,
+        ]
+
+        return lines
+
+    def get_css_prefix(self, arg):
+        if arg is None:
+            arg = ('cssclass' in self.options and '.'+self.cssclass or '')
+        if isinstance(arg, str):
+            args = [arg]
+        else:
+            args = list(arg)
+
+        def prefix(cls):
+            if cls:
+                cls = '.' + cls
+            tmp = []
+            for arg in args:
+                tmp.append((arg and arg + ' ' or '') + cls)
+            return ', '.join(tmp)
+
+        return prefix
+
+    @property
+    def _pre_style(self):
+        return 'line-height: 125%;'
+
+    @property
+    def _linenos_style(self):
+        return 'color: %s; background-color: %s; padding-left: 5px; padding-right: 5px;' % (
+            self.style.line_number_color,
+            self.style.line_number_background_color
+        )
+
+    @property
+    def _linenos_special_style(self):
+        return 'color: %s; background-color: %s; padding-left: 5px; padding-right: 5px;' % (
+            self.style.line_number_special_color,
+            self.style.line_number_special_background_color
+        )
+
+    def _decodeifneeded(self, value):
+        if isinstance(value, bytes):
+            if self.encoding:
+                return value.decode(self.encoding)
+            return value.decode()
+        return value
+
+    def _wrap_full(self, inner, outfile):
+        if self.cssfile:
+            if os.path.isabs(self.cssfile):
+                # it's an absolute filename
+                cssfilename = self.cssfile
+            else:
+                try:
+                    filename = outfile.name
+                    if not filename or filename[0] == '<':
+                        # pseudo files, e.g. name == '<fdopen>'
+                        raise AttributeError
+                    cssfilename = os.path.join(os.path.dirname(filename),
+                                               self.cssfile)
+                except AttributeError:
+                    print('Note: Cannot determine output file name, '
+                          'using current directory as base for the CSS file name',
+                          file=sys.stderr)
+                    cssfilename = self.cssfile
+            # write CSS file only if noclobber_cssfile isn't given as an option.
+            try:
+                if not os.path.exists(cssfilename) or not self.noclobber_cssfile:
+                    with open(cssfilename, "w", encoding="utf-8") as cf:
+                        cf.write(CSSFILE_TEMPLATE %
+                                 {'styledefs': self.get_style_defs('body')})
+            except OSError as err:
+                err.strerror = 'Error writing CSS file: ' + err.strerror
+                raise
+
+            yield 0, (DOC_HEADER_EXTERNALCSS %
+                      dict(title=self.title,
+                           cssfile=self.cssfile,
+                           encoding=self.encoding))
+        else:
+            yield 0, (DOC_HEADER %
+                      dict(title=self.title,
+                           styledefs=self.get_style_defs('body'),
+                           encoding=self.encoding))
+
+        yield from inner
+        yield 0, DOC_FOOTER
+
+    def _wrap_tablelinenos(self, inner):
+        dummyoutfile = StringIO()
+        lncount = 0
+        for t, line in inner:
+            if t:
+                lncount += 1
+            dummyoutfile.write(line)
+
+        fl = self.linenostart
+        mw = len(str(lncount + fl - 1))
+        sp = self.linenospecial
+        st = self.linenostep
+        anchor_name = self.lineanchors or self.linespans
+        aln = self.anchorlinenos
+        nocls = self.noclasses
+
+        lines = []
+
+        for i in range(fl, fl+lncount):
+            print_line = i % st == 0
+            special_line = sp and i % sp == 0
+
+            if print_line:
+                line = '%*d' % (mw, i)
+                if aln:
+                    line = '<a href="#%s-%d">%s</a>' % (anchor_name, i, line)
+            else:
+                line = ' ' * mw
+
+            if nocls:
+                if special_line:
+                    style = ' style="%s"' % self._linenos_special_style
+                else:
+                    style = ' style="%s"' % self._linenos_style
+            else:
+                if special_line:
+                    style = ' class="special"'
+                else:
+                    style = ' class="normal"'
+
+            if style:
+                line = '<span%s>%s</span>' % (style, line)
+
+            lines.append(line)
+
+        ls = '\n'.join(lines)
+
+        # If a filename was specified, we can't put it into the code table as it
+        # would misalign the line numbers. Hence we emit a separate row for it.
+        filename_tr = ""
+        if self.filename:
+            filename_tr = (
+                '<tr><th colspan="2" class="filename">'
+                '<span class="filename">' + self.filename + '</span>'
+                '</th></tr>')
+
+        # in case you wonder about the seemingly redundant <div> here: since the
+        # content in the other cell also is wrapped in a div, some browsers in
+        # some configurations seem to mess up the formatting...
+        yield 0, (f'<table class="{self.cssclass}table">' + filename_tr +
+            '<tr><td class="linenos"><div class="linenodiv"><pre>' +
+            ls + '</pre></div></td><td class="code">')
+        yield 0, '<div>'
+        yield 0, dummyoutfile.getvalue()
+        yield 0, '</div>'
+        yield 0, '</td></tr></table>'
+
+
+    def _wrap_inlinelinenos(self, inner):
+        # need a list of lines since we need the width of a single number :(
+        inner_lines = list(inner)
+        sp = self.linenospecial
+        st = self.linenostep
+        num = self.linenostart
+        mw = len(str(len(inner_lines) + num - 1))
+        anchor_name = self.lineanchors or self.linespans
+        aln = self.anchorlinenos
+        nocls = self.noclasses
+
+        for _, inner_line in inner_lines:
+            print_line = num % st == 0
+            special_line = sp and num % sp == 0
+
+            if print_line:
+                line = '%*d' % (mw, num)
+            else:
+                line = ' ' * mw
+
+            if nocls:
+                if special_line:
+                    style = ' style="%s"' % self._linenos_special_style
+                else:
+                    style = ' style="%s"' % self._linenos_style
+            else:
+                if special_line:
+                    style = ' class="linenos special"'
+                else:
+                    style = ' class="linenos"'
+
+            if style:
+                linenos = '<span%s>%s</span>' % (style, line)
+            else:
+                linenos = line
+
+            if aln:
+                yield 1, ('<a href="#%s-%d">%s</a>' % (anchor_name, num, linenos) +
+                          inner_line)
+            else:
+                yield 1, linenos + inner_line
+            num += 1
+
+    def _wrap_lineanchors(self, inner):
+        s = self.lineanchors
+        # subtract 1 since we have to increment i *before* yielding
+        i = self.linenostart - 1
+        for t, line in inner:
+            if t:
+                i += 1
+                href = "" if self.linenos else ' href="#%s-%d"' % (s, i)
+                yield 1, '<a id="%s-%d" name="%s-%d"%s></a>' % (s, i, s, i, href) + line
+            else:
+                yield 0, line
+
+    def _wrap_linespans(self, inner):
+        s = self.linespans
+        i = self.linenostart - 1
+        for t, line in inner:
+            if t:
+                i += 1
+                yield 1, '<span id="%s-%d">%s</span>' % (s, i, line)
+            else:
+                yield 0, line
+
+    def _wrap_div(self, inner):
+        style = []
+        if (self.noclasses and not self.nobackground and
+                self.style.background_color is not None):
+            style.append('background: %s' % (self.style.background_color,))
+        if self.cssstyles:
+            style.append(self.cssstyles)
+        style = '; '.join(style)
+
+        yield 0, ('<div' + (self.cssclass and ' class="%s"' % self.cssclass) +
+                  (style and (' style="%s"' % style)) + '>')
+        yield from inner
+        yield 0, '</div>\n'
+
+    def _wrap_pre(self, inner):
+        style = []
+        if self.prestyles:
+            style.append(self.prestyles)
+        if self.noclasses:
+            style.append(self._pre_style)
+        style = '; '.join(style)
+
+        if self.filename and self.linenos != 1:
+            yield 0, ('<span class="filename">' + self.filename + '</span>')
+
+        # the empty span here is to keep leading empty lines from being
+        # ignored by HTML parsers
+        yield 0, ('<pre' + (style and ' style="%s"' % style) + '><span></span>')
+        yield from inner
+        yield 0, '</pre>'
+
+    def _wrap_code(self, inner):
+        yield 0, '<code>'
+        yield from inner
+        yield 0, '</code>'
+
+    @functools.lru_cache(maxsize=100)
+    def _translate_parts(self, value):
+        """HTML-escape a value and split it by newlines."""
+        return value.translate(_escape_html_table).split('\n')
+
+    def _format_lines(self, tokensource):
+        """
+        Just format the tokens, without any wrapping tags.
+        Yield individual lines.
+        """
+        nocls = self.noclasses
+        lsep = self.lineseparator
+        tagsfile = self.tagsfile
+
+        lspan = ''
+        line = []
+        for ttype, value in tokensource:
+            try:
+                cspan = self.span_element_openers[ttype]
+            except KeyError:
+                title = ' title="%s"' % '.'.join(ttype) if self.debug_token_types else ''
+                if nocls:
+                    css_style = self._get_css_inline_styles(ttype)
+                    if css_style:
+                        css_style = self.class2style[css_style][0]
+                        cspan = '<span style="%s"%s>' % (css_style, title)
+                    else:
+                        cspan = ''
+                else:
+                    css_class = self._get_css_classes(ttype)
+                    if css_class:
+                        cspan = '<span class="%s"%s>' % (css_class, title)
+                    else:
+                        cspan = ''
+                self.span_element_openers[ttype] = cspan
+
+            parts = self._translate_parts(value)
+
+            if tagsfile and ttype in Token.Name:
+                filename, linenumber = self._lookup_ctag(value)
+                if linenumber:
+                    base, filename = os.path.split(filename)
+                    if base:
+                        base += '/'
+                    filename, extension = os.path.splitext(filename)
+                    url = self.tagurlformat % {'path': base, 'fname': filename,
+                                               'fext': extension}
+                    parts[0] = "<a href=\"%s#%s-%d\">%s" % \
+                        (url, self.lineanchors, linenumber, parts[0])
+                    parts[-1] = parts[-1] + "</a>"
+
+            # for all but the last line
+            for part in parts[:-1]:
+                if line:
+                    # Also check for part being non-empty, so we avoid creating
+                    # empty <span> tags
+                    if lspan != cspan and part:
+                        line.extend(((lspan and '</span>'), cspan, part,
+                                     (cspan and '</span>'), lsep))
+                    else:  # both are the same, or the current part was empty
+                        line.extend((part, (lspan and '</span>'), lsep))
+                    yield 1, ''.join(line)
+                    line = []
+                elif part:
+                    yield 1, ''.join((cspan, part, (cspan and '</span>'), lsep))
+                else:
+                    yield 1, lsep
+            # for the last line
+            if line and parts[-1]:
+                if lspan != cspan:
+                    line.extend(((lspan and '</span>'), cspan, parts[-1]))
+                    lspan = cspan
+                else:
+                    line.append(parts[-1])
+            elif parts[-1]:
+                line = [cspan, parts[-1]]
+                lspan = cspan
+            # else we neither have to open a new span nor set lspan
+
+        if line:
+            line.extend(((lspan and '</span>'), lsep))
+            yield 1, ''.join(line)
+
+    def _lookup_ctag(self, token):
+        entry = ctags.TagEntry()
+        if self._ctags.find(entry, token.encode(), 0):
+            return entry['file'], entry['lineNumber']
+        else:
+            return None, None
+
+    def _highlight_lines(self, tokensource):
+        """
+        Highlighted the lines specified in the `hl_lines` option by
+        post-processing the token stream coming from `_format_lines`.
+        """
+        hls = self.hl_lines
+
+        for i, (t, value) in enumerate(tokensource):
+            if t != 1:
+                yield t, value
+            if i + 1 in hls:  # i + 1 because Python indexes start at 0
+                if self.noclasses:
+                    style = ''
+                    if self.style.highlight_color is not None:
+                        style = (' style="background-color: %s"' %
+                                 (self.style.highlight_color,))
+                    yield 1, '<span%s>%s</span>' % (style, value)
+                else:
+                    yield 1, '<span class="hll">%s</span>' % value
+            else:
+                yield 1, value
+
+    def wrap(self, source):
+        """
+        Wrap the ``source``, which is a generator yielding
+        individual lines, in custom generators. See docstring
+        for `format`. Can be overridden.
+        """
+
+        output = source
+        if self.wrapcode:
+            output = self._wrap_code(output)
+
+        output = self._wrap_pre(output)
+
+        return output
+
+    def format_unencoded(self, tokensource, outfile):
+        """
+        The formatting process uses several nested generators; which of
+        them are used is determined by the user's options.
+
+        Each generator should take at least one argument, ``inner``,
+        and wrap the pieces of text generated by this.
+
+        Always yield 2-tuples: (code, text). If "code" is 1, the text
+        is part of the original tokensource being highlighted, if it's
+        0, the text is some piece of wrapping. This makes it possible to
+        use several different wrappers that process the original source
+        linewise, e.g. line number generators.
+        """
+        source = self._format_lines(tokensource)
+
+        # As a special case, we wrap line numbers before line highlighting
+        # so the line numbers get wrapped in the highlighting tag.
+        if not self.nowrap and self.linenos == 2:
+            source = self._wrap_inlinelinenos(source)
+
+        if self.hl_lines:
+            source = self._highlight_lines(source)
+
+        if not self.nowrap:
+            if self.lineanchors:
+                source = self._wrap_lineanchors(source)
+            if self.linespans:
+                source = self._wrap_linespans(source)
+            source = self.wrap(source)
+            if self.linenos == 1:
+                source = self._wrap_tablelinenos(source)
+            source = self._wrap_div(source)
+            if self.full:
+                source = self._wrap_full(source, outfile)
+
+        for t, piece in source:
+            outfile.write(piece)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/img.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/img.py
new file mode 100644
index 00000000..a338c158
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/img.py
@@ -0,0 +1,645 @@
+"""
+    pygments.formatters.img
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for Pixmap output.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import os
+import sys
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt, get_list_opt, \
+    get_choice_opt
+
+import subprocess
+
+# Import this carefully
+try:
+    from PIL import Image, ImageDraw, ImageFont
+    pil_available = True
+except ImportError:
+    pil_available = False
+
+try:
+    import _winreg
+except ImportError:
+    try:
+        import winreg as _winreg
+    except ImportError:
+        _winreg = None
+
+__all__ = ['ImageFormatter', 'GifImageFormatter', 'JpgImageFormatter',
+           'BmpImageFormatter']
+
+
+# For some unknown reason every font calls it something different
+STYLES = {
+    'NORMAL':     ['', 'Roman', 'Book', 'Normal', 'Regular', 'Medium'],
+    'ITALIC':     ['Oblique', 'Italic'],
+    'BOLD':       ['Bold'],
+    'BOLDITALIC': ['Bold Oblique', 'Bold Italic'],
+}
+
+# A sane default for modern systems
+DEFAULT_FONT_NAME_NIX = 'DejaVu Sans Mono'
+DEFAULT_FONT_NAME_WIN = 'Courier New'
+DEFAULT_FONT_NAME_MAC = 'Menlo'
+
+
+class PilNotAvailable(ImportError):
+    """When Python imaging library is not available"""
+
+
+class FontNotFound(Exception):
+    """When there are no usable fonts specified"""
+
+
+class FontManager:
+    """
+    Manages a set of fonts: normal, italic, bold, etc...
+    """
+
+    def __init__(self, font_name, font_size=14):
+        self.font_name = font_name
+        self.font_size = font_size
+        self.fonts = {}
+        self.encoding = None
+        if sys.platform.startswith('win'):
+            if not font_name:
+                self.font_name = DEFAULT_FONT_NAME_WIN
+            self._create_win()
+        elif sys.platform.startswith('darwin'):
+            if not font_name:
+                self.font_name = DEFAULT_FONT_NAME_MAC
+            self._create_mac()
+        else:
+            if not font_name:
+                self.font_name = DEFAULT_FONT_NAME_NIX
+            self._create_nix()
+
+    def _get_nix_font_path(self, name, style):
+        proc = subprocess.Popen(['fc-list', "%s:style=%s" % (name, style), 'file'],
+                                stdout=subprocess.PIPE, stderr=None)
+        stdout, _ = proc.communicate()
+        if proc.returncode == 0:
+            lines = stdout.splitlines()
+            for line in lines:
+                if line.startswith(b'Fontconfig warning:'):
+                    continue
+                path = line.decode().strip().strip(':')
+                if path:
+                    return path
+            return None
+
+    def _create_nix(self):
+        for name in STYLES['NORMAL']:
+            path = self._get_nix_font_path(self.font_name, name)
+            if path is not None:
+                self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
+                break
+        else:
+            raise FontNotFound('No usable fonts named: "%s"' %
+                               self.font_name)
+        for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
+            for stylename in STYLES[style]:
+                path = self._get_nix_font_path(self.font_name, stylename)
+                if path is not None:
+                    self.fonts[style] = ImageFont.truetype(path, self.font_size)
+                    break
+            else:
+                if style == 'BOLDITALIC':
+                    self.fonts[style] = self.fonts['BOLD']
+                else:
+                    self.fonts[style] = self.fonts['NORMAL']
+
+    def _get_mac_font_path(self, font_map, name, style):
+        return font_map.get((name + ' ' + style).strip().lower())
+
+    def _create_mac(self):
+        font_map = {}
+        for font_dir in (os.path.join(os.getenv("HOME"), 'Library/Fonts/'),
+                         '/Library/Fonts/', '/System/Library/Fonts/'):
+            font_map.update(
+                (os.path.splitext(f)[0].lower(), os.path.join(font_dir, f))
+                for f in os.listdir(font_dir)
+                if f.lower().endswith(('ttf', 'ttc')))
+
+        for name in STYLES['NORMAL']:
+            path = self._get_mac_font_path(font_map, self.font_name, name)
+            if path is not None:
+                self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
+                break
+        else:
+            raise FontNotFound('No usable fonts named: "%s"' %
+                               self.font_name)
+        for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
+            for stylename in STYLES[style]:
+                path = self._get_mac_font_path(font_map, self.font_name, stylename)
+                if path is not None:
+                    self.fonts[style] = ImageFont.truetype(path, self.font_size)
+                    break
+            else:
+                if style == 'BOLDITALIC':
+                    self.fonts[style] = self.fonts['BOLD']
+                else:
+                    self.fonts[style] = self.fonts['NORMAL']
+
+    def _lookup_win(self, key, basename, styles, fail=False):
+        for suffix in ('', ' (TrueType)'):
+            for style in styles:
+                try:
+                    valname = '%s%s%s' % (basename, style and ' '+style, suffix)
+                    val, _ = _winreg.QueryValueEx(key, valname)
+                    return val
+                except OSError:
+                    continue
+        else:
+            if fail:
+                raise FontNotFound('Font %s (%s) not found in registry' %
+                                   (basename, styles[0]))
+            return None
+
+    def _create_win(self):
+        lookuperror = None
+        keynames = [ (_winreg.HKEY_CURRENT_USER, r'Software\Microsoft\Windows NT\CurrentVersion\Fonts'),
+                     (_winreg.HKEY_CURRENT_USER, r'Software\Microsoft\Windows\CurrentVersion\Fonts'),
+                     (_winreg.HKEY_LOCAL_MACHINE, r'Software\Microsoft\Windows NT\CurrentVersion\Fonts'),
+                     (_winreg.HKEY_LOCAL_MACHINE, r'Software\Microsoft\Windows\CurrentVersion\Fonts') ]
+        for keyname in keynames:
+            try:
+                key = _winreg.OpenKey(*keyname)
+                try:
+                    path = self._lookup_win(key, self.font_name, STYLES['NORMAL'], True)
+                    self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
+                    for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
+                        path = self._lookup_win(key, self.font_name, STYLES[style])
+                        if path:
+                            self.fonts[style] = ImageFont.truetype(path, self.font_size)
+                        else:
+                            if style == 'BOLDITALIC':
+                                self.fonts[style] = self.fonts['BOLD']
+                            else:
+                                self.fonts[style] = self.fonts['NORMAL']
+                    return
+                except FontNotFound as err:
+                    lookuperror = err
+                finally:
+                    _winreg.CloseKey(key)
+            except OSError:
+                pass
+        else:
+            # If we get here, we checked all registry keys and had no luck
+            # We can be in one of two situations now:
+            # * All key lookups failed. In this case lookuperror is None and we
+            #   will raise a generic error
+            # * At least one lookup failed with a FontNotFound error. In this
+            #   case, we will raise that as a more specific error
+            if lookuperror:
+                raise lookuperror
+            raise FontNotFound('Can\'t open Windows font registry key')
+
+    def get_char_size(self):
+        """
+        Get the character size.
+        """
+        return self.get_text_size('M')
+
+    def get_text_size(self, text):
+        """
+        Get the text size (width, height).
+        """
+        font = self.fonts['NORMAL']
+        if hasattr(font, 'getbbox'):  # Pillow >= 9.2.0
+            return font.getbbox(text)[2:4]
+        else:
+            return font.getsize(text)
+
+    def get_font(self, bold, oblique):
+        """
+        Get the font based on bold and italic flags.
+        """
+        if bold and oblique:
+            return self.fonts['BOLDITALIC']
+        elif bold:
+            return self.fonts['BOLD']
+        elif oblique:
+            return self.fonts['ITALIC']
+        else:
+            return self.fonts['NORMAL']
+
+
+class ImageFormatter(Formatter):
+    """
+    Create a PNG image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 0.10
+
+    Additional options accepted:
+
+    `image_format`
+        An image format to output to that is recognised by PIL, these include:
+
+        * "PNG" (default)
+        * "JPEG"
+        * "BMP"
+        * "GIF"
+
+    `line_pad`
+        The extra spacing (in pixels) between each line of text.
+
+        Default: 2
+
+    `font_name`
+        The font name to be used as the base font from which others, such as
+        bold and italic fonts will be generated.  This really should be a
+        monospace font to look sane.
+
+        Default: "Courier New" on Windows, "Menlo" on Mac OS, and
+                 "DejaVu Sans Mono" on \\*nix
+
+    `font_size`
+        The font size in points to be used.
+
+        Default: 14
+
+    `image_pad`
+        The padding, in pixels to be used at each edge of the resulting image.
+
+        Default: 10
+
+    `line_numbers`
+        Whether line numbers should be shown: True/False
+
+        Default: True
+
+    `line_number_start`
+        The line number of the first line.
+
+        Default: 1
+
+    `line_number_step`
+        The step used when printing line numbers.
+
+        Default: 1
+
+    `line_number_bg`
+        The background colour (in "#123456" format) of the line number bar, or
+        None to use the style background color.
+
+        Default: "#eed"
+
+    `line_number_fg`
+        The text color of the line numbers (in "#123456"-like format).
+
+        Default: "#886"
+
+    `line_number_chars`
+        The number of columns of line numbers allowable in the line number
+        margin.
+
+        Default: 2
+
+    `line_number_bold`
+        Whether line numbers will be bold: True/False
+
+        Default: False
+
+    `line_number_italic`
+        Whether line numbers will be italicized: True/False
+
+        Default: False
+
+    `line_number_separator`
+        Whether a line will be drawn between the line number area and the
+        source code area: True/False
+
+        Default: True
+
+    `line_number_pad`
+        The horizontal padding (in pixels) between the line number margin, and
+        the source code area.
+
+        Default: 6
+
+    `hl_lines`
+        Specify a list of lines to be highlighted.
+
+        .. versionadded:: 1.2
+
+        Default: empty list
+
+    `hl_color`
+        Specify the color for highlighting lines.
+
+        .. versionadded:: 1.2
+
+        Default: highlight color of the selected style
+    """
+
+    # Required by the pygments mapper
+    name = 'img'
+    aliases = ['img', 'IMG', 'png']
+    filenames = ['*.png']
+
+    unicodeoutput = False
+
+    default_image_format = 'png'
+
+    def __init__(self, **options):
+        """
+        See the class docstring for explanation of options.
+        """
+        if not pil_available:
+            raise PilNotAvailable(
+                'Python Imaging Library is required for this formatter')
+        Formatter.__init__(self, **options)
+        self.encoding = 'latin1'  # let pygments.format() do the right thing
+        # Read the style
+        self.styles = dict(self.style)
+        if self.style.background_color is None:
+            self.background_color = '#fff'
+        else:
+            self.background_color = self.style.background_color
+        # Image options
+        self.image_format = get_choice_opt(
+            options, 'image_format', ['png', 'jpeg', 'gif', 'bmp'],
+            self.default_image_format, normcase=True)
+        self.image_pad = get_int_opt(options, 'image_pad', 10)
+        self.line_pad = get_int_opt(options, 'line_pad', 2)
+        # The fonts
+        fontsize = get_int_opt(options, 'font_size', 14)
+        self.fonts = FontManager(options.get('font_name', ''), fontsize)
+        self.fontw, self.fonth = self.fonts.get_char_size()
+        # Line number options
+        self.line_number_fg = options.get('line_number_fg', '#886')
+        self.line_number_bg = options.get('line_number_bg', '#eed')
+        self.line_number_chars = get_int_opt(options,
+                                             'line_number_chars', 2)
+        self.line_number_bold = get_bool_opt(options,
+                                             'line_number_bold', False)
+        self.line_number_italic = get_bool_opt(options,
+                                               'line_number_italic', False)
+        self.line_number_pad = get_int_opt(options, 'line_number_pad', 6)
+        self.line_numbers = get_bool_opt(options, 'line_numbers', True)
+        self.line_number_separator = get_bool_opt(options,
+                                                  'line_number_separator', True)
+        self.line_number_step = get_int_opt(options, 'line_number_step', 1)
+        self.line_number_start = get_int_opt(options, 'line_number_start', 1)
+        if self.line_numbers:
+            self.line_number_width = (self.fontw * self.line_number_chars +
+                                      self.line_number_pad * 2)
+        else:
+            self.line_number_width = 0
+        self.hl_lines = []
+        hl_lines_str = get_list_opt(options, 'hl_lines', [])
+        for line in hl_lines_str:
+            try:
+                self.hl_lines.append(int(line))
+            except ValueError:
+                pass
+        self.hl_color = options.get('hl_color',
+                                    self.style.highlight_color) or '#f90'
+        self.drawables = []
+
+    def get_style_defs(self, arg=''):
+        raise NotImplementedError('The -S option is meaningless for the image '
+                                  'formatter. Use -O style=<stylename> instead.')
+
+    def _get_line_height(self):
+        """
+        Get the height of a line.
+        """
+        return self.fonth + self.line_pad
+
+    def _get_line_y(self, lineno):
+        """
+        Get the Y coordinate of a line number.
+        """
+        return lineno * self._get_line_height() + self.image_pad
+
+    def _get_char_width(self):
+        """
+        Get the width of a character.
+        """
+        return self.fontw
+
+    def _get_char_x(self, linelength):
+        """
+        Get the X coordinate of a character position.
+        """
+        return linelength + self.image_pad + self.line_number_width
+
+    def _get_text_pos(self, linelength, lineno):
+        """
+        Get the actual position for a character and line position.
+        """
+        return self._get_char_x(linelength), self._get_line_y(lineno)
+
+    def _get_linenumber_pos(self, lineno):
+        """
+        Get the actual position for the start of a line number.
+        """
+        return (self.image_pad, self._get_line_y(lineno))
+
+    def _get_text_color(self, style):
+        """
+        Get the correct color for the token from the style.
+        """
+        if style['color'] is not None:
+            fill = '#' + style['color']
+        else:
+            fill = '#000'
+        return fill
+
+    def _get_text_bg_color(self, style):
+        """
+        Get the correct background color for the token from the style.
+        """
+        if style['bgcolor'] is not None:
+            bg_color = '#' + style['bgcolor']
+        else:
+            bg_color = None
+        return bg_color
+
+    def _get_style_font(self, style):
+        """
+        Get the correct font for the style.
+        """
+        return self.fonts.get_font(style['bold'], style['italic'])
+
+    def _get_image_size(self, maxlinelength, maxlineno):
+        """
+        Get the required image size.
+        """
+        return (self._get_char_x(maxlinelength) + self.image_pad,
+                self._get_line_y(maxlineno + 0) + self.image_pad)
+
+    def _draw_linenumber(self, posno, lineno):
+        """
+        Remember a line number drawable to paint later.
+        """
+        self._draw_text(
+            self._get_linenumber_pos(posno),
+            str(lineno).rjust(self.line_number_chars),
+            font=self.fonts.get_font(self.line_number_bold,
+                                     self.line_number_italic),
+            text_fg=self.line_number_fg,
+            text_bg=None,
+        )
+
+    def _draw_text(self, pos, text, font, text_fg, text_bg):
+        """
+        Remember a single drawable tuple to paint later.
+        """
+        self.drawables.append((pos, text, font, text_fg, text_bg))
+
+    def _create_drawables(self, tokensource):
+        """
+        Create drawables for the token content.
+        """
+        lineno = charno = maxcharno = 0
+        maxlinelength = linelength = 0
+        for ttype, value in tokensource:
+            while ttype not in self.styles:
+                ttype = ttype.parent
+            style = self.styles[ttype]
+            # TODO: make sure tab expansion happens earlier in the chain.  It
+            # really ought to be done on the input, as to do it right here is
+            # quite complex.
+            value = value.expandtabs(4)
+            lines = value.splitlines(True)
+            # print lines
+            for i, line in enumerate(lines):
+                temp = line.rstrip('\n')
+                if temp:
+                    self._draw_text(
+                        self._get_text_pos(linelength, lineno),
+                        temp,
+                        font = self._get_style_font(style),
+                        text_fg = self._get_text_color(style),
+                        text_bg = self._get_text_bg_color(style),
+                    )
+                    temp_width, _ = self.fonts.get_text_size(temp)
+                    linelength += temp_width
+                    maxlinelength = max(maxlinelength, linelength)
+                    charno += len(temp)
+                    maxcharno = max(maxcharno, charno)
+                if line.endswith('\n'):
+                    # add a line for each extra line in the value
+                    linelength = 0
+                    charno = 0
+                    lineno += 1
+        self.maxlinelength = maxlinelength
+        self.maxcharno = maxcharno
+        self.maxlineno = lineno
+
+    def _draw_line_numbers(self):
+        """
+        Create drawables for the line numbers.
+        """
+        if not self.line_numbers:
+            return
+        for p in range(self.maxlineno):
+            n = p + self.line_number_start
+            if (n % self.line_number_step) == 0:
+                self._draw_linenumber(p, n)
+
+    def _paint_line_number_bg(self, im):
+        """
+        Paint the line number background on the image.
+        """
+        if not self.line_numbers:
+            return
+        if self.line_number_fg is None:
+            return
+        draw = ImageDraw.Draw(im)
+        recth = im.size[-1]
+        rectw = self.image_pad + self.line_number_width - self.line_number_pad
+        draw.rectangle([(0, 0), (rectw, recth)],
+                       fill=self.line_number_bg)
+        if self.line_number_separator:
+            draw.line([(rectw, 0), (rectw, recth)], fill=self.line_number_fg)
+        del draw
+
+    def format(self, tokensource, outfile):
+        """
+        Format ``tokensource``, an iterable of ``(tokentype, tokenstring)``
+        tuples and write it into ``outfile``.
+
+        This implementation calculates where it should draw each token on the
+        pixmap, then calculates the required pixmap size and draws the items.
+        """
+        self._create_drawables(tokensource)
+        self._draw_line_numbers()
+        im = Image.new(
+            'RGB',
+            self._get_image_size(self.maxlinelength, self.maxlineno),
+            self.background_color
+        )
+        self._paint_line_number_bg(im)
+        draw = ImageDraw.Draw(im)
+        # Highlight
+        if self.hl_lines:
+            x = self.image_pad + self.line_number_width - self.line_number_pad + 1
+            recth = self._get_line_height()
+            rectw = im.size[0] - x
+            for linenumber in self.hl_lines:
+                y = self._get_line_y(linenumber - 1)
+                draw.rectangle([(x, y), (x + rectw, y + recth)],
+                               fill=self.hl_color)
+        for pos, value, font, text_fg, text_bg in self.drawables:
+            if text_bg:
+                text_size = draw.textsize(text=value, font=font)
+                draw.rectangle([pos[0], pos[1], pos[0] + text_size[0], pos[1] + text_size[1]], fill=text_bg)
+            draw.text(pos, value, font=font, fill=text_fg)
+        im.save(outfile, self.image_format.upper())
+
+
+# Add one formatter per format, so that the "-f gif" option gives the correct result
+# when used in pygmentize.
+
+class GifImageFormatter(ImageFormatter):
+    """
+    Create a GIF image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 1.0
+    """
+
+    name = 'img_gif'
+    aliases = ['gif']
+    filenames = ['*.gif']
+    default_image_format = 'gif'
+
+
+class JpgImageFormatter(ImageFormatter):
+    """
+    Create a JPEG image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 1.0
+    """
+
+    name = 'img_jpg'
+    aliases = ['jpg', 'jpeg']
+    filenames = ['*.jpg']
+    default_image_format = 'jpeg'
+
+
+class BmpImageFormatter(ImageFormatter):
+    """
+    Create a bitmap image from source code. This uses the Python Imaging Library to
+    generate a pixmap from the source code.
+
+    .. versionadded:: 1.0
+    """
+
+    name = 'img_bmp'
+    aliases = ['bmp', 'bitmap']
+    filenames = ['*.bmp']
+    default_image_format = 'bmp'
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/irc.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/irc.py
new file mode 100644
index 00000000..2144d439
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/irc.py
@@ -0,0 +1,154 @@
+"""
+    pygments.formatters.irc
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for IRC output
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Keyword, Name, Comment, String, Error, \
+    Number, Operator, Generic, Token, Whitespace
+from pip._vendor.pygments.util import get_choice_opt
+
+
+__all__ = ['IRCFormatter']
+
+
+#: Map token types to a tuple of color values for light and dark
+#: backgrounds.
+IRC_COLORS = {
+    Token:              ('',            ''),
+
+    Whitespace:         ('gray',   'brightblack'),
+    Comment:            ('gray',   'brightblack'),
+    Comment.Preproc:    ('cyan',        'brightcyan'),
+    Keyword:            ('blue',    'brightblue'),
+    Keyword.Type:       ('cyan',        'brightcyan'),
+    Operator.Word:      ('magenta',      'brightcyan'),
+    Name.Builtin:       ('cyan',        'brightcyan'),
+    Name.Function:      ('green',   'brightgreen'),
+    Name.Namespace:     ('_cyan_',      '_brightcyan_'),
+    Name.Class:         ('_green_', '_brightgreen_'),
+    Name.Exception:     ('cyan',        'brightcyan'),
+    Name.Decorator:     ('brightblack',    'gray'),
+    Name.Variable:      ('red',     'brightred'),
+    Name.Constant:      ('red',     'brightred'),
+    Name.Attribute:     ('cyan',        'brightcyan'),
+    Name.Tag:           ('brightblue',        'brightblue'),
+    String:             ('yellow',       'yellow'),
+    Number:             ('blue',    'brightblue'),
+
+    Generic.Deleted:    ('brightred',        'brightred'),
+    Generic.Inserted:   ('green',  'brightgreen'),
+    Generic.Heading:    ('**',         '**'),
+    Generic.Subheading: ('*magenta*',   '*brightmagenta*'),
+    Generic.Error:      ('brightred',        'brightred'),
+
+    Error:              ('_brightred_',      '_brightred_'),
+}
+
+
+IRC_COLOR_MAP = {
+    'white': 0,
+    'black': 1,
+    'blue': 2,
+    'brightgreen': 3,
+    'brightred': 4,
+    'yellow': 5,
+    'magenta': 6,
+    'orange': 7,
+    'green': 7, #compat w/ ansi
+    'brightyellow': 8,
+    'lightgreen': 9,
+    'brightcyan': 9, # compat w/ ansi
+    'cyan': 10,
+    'lightblue': 11,
+    'red': 11, # compat w/ ansi
+    'brightblue': 12,
+    'brightmagenta': 13,
+    'brightblack': 14,
+    'gray': 15,
+}
+
+def ircformat(color, text):
+    if len(color) < 1:
+        return text
+    add = sub = ''
+    if '_' in color: # italic
+        add += '\x1D'
+        sub = '\x1D' + sub
+        color = color.strip('_')
+    if '*' in color: # bold
+        add += '\x02'
+        sub = '\x02' + sub
+        color = color.strip('*')
+    # underline (\x1F) not supported
+    # backgrounds (\x03FF,BB) not supported
+    if len(color) > 0: # actual color - may have issues with ircformat("red", "blah")+"10" type stuff
+        add += '\x03' + str(IRC_COLOR_MAP[color]).zfill(2)
+        sub = '\x03' + sub
+    return add + text + sub
+    return '<'+add+'>'+text+'</'+sub+'>'
+
+
+class IRCFormatter(Formatter):
+    r"""
+    Format tokens with IRC color sequences
+
+    The `get_style_defs()` method doesn't do anything special since there is
+    no support for common styles.
+
+    Options accepted:
+
+    `bg`
+        Set to ``"light"`` or ``"dark"`` depending on the terminal's background
+        (default: ``"light"``).
+
+    `colorscheme`
+        A dictionary mapping token types to (lightbg, darkbg) color names or
+        ``None`` (default: ``None`` = use builtin colorscheme).
+
+    `linenos`
+        Set to ``True`` to have line numbers in the output as well
+        (default: ``False`` = no line numbers).
+    """
+    name = 'IRC'
+    aliases = ['irc', 'IRC']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.darkbg = get_choice_opt(options, 'bg',
+                                     ['light', 'dark'], 'light') == 'dark'
+        self.colorscheme = options.get('colorscheme', None) or IRC_COLORS
+        self.linenos = options.get('linenos', False)
+        self._lineno = 0
+
+    def _write_lineno(self, outfile):
+        if self.linenos:
+            self._lineno += 1
+            outfile.write("%04d: " % self._lineno)
+
+    def format_unencoded(self, tokensource, outfile):
+        self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            color = self.colorscheme.get(ttype)
+            while color is None:
+                ttype = ttype[:-1]
+                color = self.colorscheme.get(ttype)
+            if color:
+                color = color[self.darkbg]
+                spl = value.split('\n')
+                for line in spl[:-1]:
+                    if line:
+                        outfile.write(ircformat(color, line))
+                    outfile.write('\n')
+                    self._write_lineno(outfile)
+                if spl[-1]:
+                    outfile.write(ircformat(color, spl[-1]))
+            else:
+                outfile.write(value)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/latex.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/latex.py
new file mode 100644
index 00000000..ca539b40
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/latex.py
@@ -0,0 +1,521 @@
+"""
+    pygments.formatters.latex
+    ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for LaTeX fancyvrb output.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from io import StringIO
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.lexer import Lexer, do_insertions
+from pip._vendor.pygments.token import Token, STANDARD_TYPES
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt
+
+
+__all__ = ['LatexFormatter']
+
+
+def escape_tex(text, commandprefix):
+    return text.replace('\\', '\x00'). \
+                replace('{', '\x01'). \
+                replace('}', '\x02'). \
+                replace('\x00', r'\%sZbs{}' % commandprefix). \
+                replace('\x01', r'\%sZob{}' % commandprefix). \
+                replace('\x02', r'\%sZcb{}' % commandprefix). \
+                replace('^', r'\%sZca{}' % commandprefix). \
+                replace('_', r'\%sZus{}' % commandprefix). \
+                replace('&', r'\%sZam{}' % commandprefix). \
+                replace('<', r'\%sZlt{}' % commandprefix). \
+                replace('>', r'\%sZgt{}' % commandprefix). \
+                replace('#', r'\%sZsh{}' % commandprefix). \
+                replace('%', r'\%sZpc{}' % commandprefix). \
+                replace('$', r'\%sZdl{}' % commandprefix). \
+                replace('-', r'\%sZhy{}' % commandprefix). \
+                replace("'", r'\%sZsq{}' % commandprefix). \
+                replace('"', r'\%sZdq{}' % commandprefix). \
+                replace('~', r'\%sZti{}' % commandprefix)
+
+
+DOC_TEMPLATE = r'''
+\documentclass{%(docclass)s}
+\usepackage{fancyvrb}
+\usepackage{color}
+\usepackage[%(encoding)s]{inputenc}
+%(preamble)s
+
+%(styledefs)s
+
+\begin{document}
+
+\section*{%(title)s}
+
+%(code)s
+\end{document}
+'''
+
+## Small explanation of the mess below :)
+#
+# The previous version of the LaTeX formatter just assigned a command to
+# each token type defined in the current style.  That obviously is
+# problematic if the highlighted code is produced for a different style
+# than the style commands themselves.
+#
+# This version works much like the HTML formatter which assigns multiple
+# CSS classes to each <span> tag, from the most specific to the least
+# specific token type, thus falling back to the parent token type if one
+# is not defined.  Here, the classes are there too and use the same short
+# forms given in token.STANDARD_TYPES.
+#
+# Highlighted code now only uses one custom command, which by default is
+# \PY and selectable by the commandprefix option (and in addition the
+# escapes \PYZat, \PYZlb and \PYZrb which haven't been renamed for
+# backwards compatibility purposes).
+#
+# \PY has two arguments: the classes, separated by +, and the text to
+# render in that style.  The classes are resolved into the respective
+# style commands by magic, which serves to ignore unknown classes.
+#
+# The magic macros are:
+# * \PY@it, \PY@bf, etc. are unconditionally wrapped around the text
+#   to render in \PY@do.  Their definition determines the style.
+# * \PY@reset resets \PY@it etc. to do nothing.
+# * \PY@toks parses the list of classes, using magic inspired by the
+#   keyval package (but modified to use plusses instead of commas
+#   because fancyvrb redefines commas inside its environments).
+# * \PY@tok processes one class, calling the \PY@tok@classname command
+#   if it exists.
+# * \PY@tok@classname sets the \PY@it etc. to reflect the chosen style
+#   for its class.
+# * \PY resets the style, parses the classnames and then calls \PY@do.
+#
+# Tip: to read this code, print it out in substituted form using e.g.
+# >>> print STYLE_TEMPLATE % {'cp': 'PY'}
+
+STYLE_TEMPLATE = r'''
+\makeatletter
+\def\%(cp)s@reset{\let\%(cp)s@it=\relax \let\%(cp)s@bf=\relax%%
+    \let\%(cp)s@ul=\relax \let\%(cp)s@tc=\relax%%
+    \let\%(cp)s@bc=\relax \let\%(cp)s@ff=\relax}
+\def\%(cp)s@tok#1{\csname %(cp)s@tok@#1\endcsname}
+\def\%(cp)s@toks#1+{\ifx\relax#1\empty\else%%
+    \%(cp)s@tok{#1}\expandafter\%(cp)s@toks\fi}
+\def\%(cp)s@do#1{\%(cp)s@bc{\%(cp)s@tc{\%(cp)s@ul{%%
+    \%(cp)s@it{\%(cp)s@bf{\%(cp)s@ff{#1}}}}}}}
+\def\%(cp)s#1#2{\%(cp)s@reset\%(cp)s@toks#1+\relax+\%(cp)s@do{#2}}
+
+%(styles)s
+
+\def\%(cp)sZbs{\char`\\}
+\def\%(cp)sZus{\char`\_}
+\def\%(cp)sZob{\char`\{}
+\def\%(cp)sZcb{\char`\}}
+\def\%(cp)sZca{\char`\^}
+\def\%(cp)sZam{\char`\&}
+\def\%(cp)sZlt{\char`\<}
+\def\%(cp)sZgt{\char`\>}
+\def\%(cp)sZsh{\char`\#}
+\def\%(cp)sZpc{\char`\%%}
+\def\%(cp)sZdl{\char`\$}
+\def\%(cp)sZhy{\char`\-}
+\def\%(cp)sZsq{\char`\'}
+\def\%(cp)sZdq{\char`\"}
+\def\%(cp)sZti{\char`\~}
+%% for compatibility with earlier versions
+\def\%(cp)sZat{@}
+\def\%(cp)sZlb{[}
+\def\%(cp)sZrb{]}
+\makeatother
+'''
+
+
+def _get_ttype_name(ttype):
+    fname = STANDARD_TYPES.get(ttype)
+    if fname:
+        return fname
+    aname = ''
+    while fname is None:
+        aname = ttype[-1] + aname
+        ttype = ttype.parent
+        fname = STANDARD_TYPES.get(ttype)
+    return fname + aname
+
+
+class LatexFormatter(Formatter):
+    r"""
+    Format tokens as LaTeX code. This needs the `fancyvrb` and `color`
+    standard packages.
+
+    Without the `full` option, code is formatted as one ``Verbatim``
+    environment, like this:
+
+    .. sourcecode:: latex
+
+        \begin{Verbatim}[commandchars=\\\{\}]
+        \PY{k}{def }\PY{n+nf}{foo}(\PY{n}{bar}):
+            \PY{k}{pass}
+        \end{Verbatim}
+
+    Wrapping can be disabled using the `nowrap` option.
+
+    The special command used here (``\PY``) and all the other macros it needs
+    are output by the `get_style_defs` method.
+
+    With the `full` option, a complete LaTeX document is output, including
+    the command definitions in the preamble.
+
+    The `get_style_defs()` method of a `LatexFormatter` returns a string
+    containing ``\def`` commands defining the macros needed inside the
+    ``Verbatim`` environments.
+
+    Additional options accepted:
+
+    `nowrap`
+        If set to ``True``, don't wrap the tokens at all, not even inside a
+        ``\begin{Verbatim}`` environment. This disables most other options
+        (default: ``False``).
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `full`
+        Tells the formatter to output a "full" document, i.e. a complete
+        self-contained document (default: ``False``).
+
+    `title`
+        If `full` is true, the title that should be used to caption the
+        document (default: ``''``).
+
+    `docclass`
+        If the `full` option is enabled, this is the document class to use
+        (default: ``'article'``).
+
+    `preamble`
+        If the `full` option is enabled, this can be further preamble commands,
+        e.g. ``\usepackage`` (default: ``''``).
+
+    `linenos`
+        If set to ``True``, output line numbers (default: ``False``).
+
+    `linenostart`
+        The line number for the first line (default: ``1``).
+
+    `linenostep`
+        If set to a number n > 1, only every nth line number is printed.
+
+    `verboptions`
+        Additional options given to the Verbatim environment (see the *fancyvrb*
+        docs for possible values) (default: ``''``).
+
+    `commandprefix`
+        The LaTeX commands used to produce colored output are constructed
+        using this prefix and some letters (default: ``'PY'``).
+
+        .. versionadded:: 0.7
+        .. versionchanged:: 0.10
+           The default is now ``'PY'`` instead of ``'C'``.
+
+    `texcomments`
+        If set to ``True``, enables LaTeX comment lines.  That is, LaTex markup
+        in comment tokens is not escaped so that LaTeX can render it (default:
+        ``False``).
+
+        .. versionadded:: 1.2
+
+    `mathescape`
+        If set to ``True``, enables LaTeX math mode escape in comments. That
+        is, ``'$...$'`` inside a comment will trigger math mode (default:
+        ``False``).
+
+        .. versionadded:: 1.2
+
+    `escapeinside`
+        If set to a string of length 2, enables escaping to LaTeX. Text
+        delimited by these 2 characters is read as LaTeX code and
+        typeset accordingly. It has no effect in string literals. It has
+        no effect in comments if `texcomments` or `mathescape` is
+        set. (default: ``''``).
+
+        .. versionadded:: 2.0
+
+    `envname`
+        Allows you to pick an alternative environment name replacing Verbatim.
+        The alternate environment still has to support Verbatim's option syntax.
+        (default: ``'Verbatim'``).
+
+        .. versionadded:: 2.0
+    """
+    name = 'LaTeX'
+    aliases = ['latex', 'tex']
+    filenames = ['*.tex']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.nowrap = get_bool_opt(options, 'nowrap', False)
+        self.docclass = options.get('docclass', 'article')
+        self.preamble = options.get('preamble', '')
+        self.linenos = get_bool_opt(options, 'linenos', False)
+        self.linenostart = abs(get_int_opt(options, 'linenostart', 1))
+        self.linenostep = abs(get_int_opt(options, 'linenostep', 1))
+        self.verboptions = options.get('verboptions', '')
+        self.nobackground = get_bool_opt(options, 'nobackground', False)
+        self.commandprefix = options.get('commandprefix', 'PY')
+        self.texcomments = get_bool_opt(options, 'texcomments', False)
+        self.mathescape = get_bool_opt(options, 'mathescape', False)
+        self.escapeinside = options.get('escapeinside', '')
+        if len(self.escapeinside) == 2:
+            self.left = self.escapeinside[0]
+            self.right = self.escapeinside[1]
+        else:
+            self.escapeinside = ''
+        self.envname = options.get('envname', 'Verbatim')
+
+        self._create_stylesheet()
+
+    def _create_stylesheet(self):
+        t2n = self.ttype2name = {Token: ''}
+        c2d = self.cmd2def = {}
+        cp = self.commandprefix
+
+        def rgbcolor(col):
+            if col:
+                return ','.join(['%.2f' % (int(col[i] + col[i + 1], 16) / 255.0)
+                                 for i in (0, 2, 4)])
+            else:
+                return '1,1,1'
+
+        for ttype, ndef in self.style:
+            name = _get_ttype_name(ttype)
+            cmndef = ''
+            if ndef['bold']:
+                cmndef += r'\let\$$@bf=\textbf'
+            if ndef['italic']:
+                cmndef += r'\let\$$@it=\textit'
+            if ndef['underline']:
+                cmndef += r'\let\$$@ul=\underline'
+            if ndef['roman']:
+                cmndef += r'\let\$$@ff=\textrm'
+            if ndef['sans']:
+                cmndef += r'\let\$$@ff=\textsf'
+            if ndef['mono']:
+                cmndef += r'\let\$$@ff=\textsf'
+            if ndef['color']:
+                cmndef += (r'\def\$$@tc##1{\textcolor[rgb]{%s}{##1}}' %
+                           rgbcolor(ndef['color']))
+            if ndef['border']:
+                cmndef += (r'\def\$$@bc##1{{\setlength{\fboxsep}{\string -\fboxrule}'
+                           r'\fcolorbox[rgb]{%s}{%s}{\strut ##1}}}' %
+                           (rgbcolor(ndef['border']),
+                            rgbcolor(ndef['bgcolor'])))
+            elif ndef['bgcolor']:
+                cmndef += (r'\def\$$@bc##1{{\setlength{\fboxsep}{0pt}'
+                           r'\colorbox[rgb]{%s}{\strut ##1}}}' %
+                           rgbcolor(ndef['bgcolor']))
+            if cmndef == '':
+                continue
+            cmndef = cmndef.replace('$$', cp)
+            t2n[ttype] = name
+            c2d[name] = cmndef
+
+    def get_style_defs(self, arg=''):
+        """
+        Return the command sequences needed to define the commands
+        used to format text in the verbatim environment. ``arg`` is ignored.
+        """
+        cp = self.commandprefix
+        styles = []
+        for name, definition in self.cmd2def.items():
+            styles.append(r'\@namedef{%s@tok@%s}{%s}' % (cp, name, definition))
+        return STYLE_TEMPLATE % {'cp': self.commandprefix,
+                                 'styles': '\n'.join(styles)}
+
+    def format_unencoded(self, tokensource, outfile):
+        # TODO: add support for background colors
+        t2n = self.ttype2name
+        cp = self.commandprefix
+
+        if self.full:
+            realoutfile = outfile
+            outfile = StringIO()
+
+        if not self.nowrap:
+            outfile.write('\\begin{' + self.envname + '}[commandchars=\\\\\\{\\}')
+            if self.linenos:
+                start, step = self.linenostart, self.linenostep
+                outfile.write(',numbers=left' +
+                              (start and ',firstnumber=%d' % start or '') +
+                              (step and ',stepnumber=%d' % step or ''))
+            if self.mathescape or self.texcomments or self.escapeinside:
+                outfile.write(',codes={\\catcode`\\$=3\\catcode`\\^=7'
+                              '\\catcode`\\_=8\\relax}')
+            if self.verboptions:
+                outfile.write(',' + self.verboptions)
+            outfile.write(']\n')
+
+        for ttype, value in tokensource:
+            if ttype in Token.Comment:
+                if self.texcomments:
+                    # Try to guess comment starting lexeme and escape it ...
+                    start = value[0:1]
+                    for i in range(1, len(value)):
+                        if start[0] != value[i]:
+                            break
+                        start += value[i]
+
+                    value = value[len(start):]
+                    start = escape_tex(start, cp)
+
+                    # ... but do not escape inside comment.
+                    value = start + value
+                elif self.mathescape:
+                    # Only escape parts not inside a math environment.
+                    parts = value.split('$')
+                    in_math = False
+                    for i, part in enumerate(parts):
+                        if not in_math:
+                            parts[i] = escape_tex(part, cp)
+                        in_math = not in_math
+                    value = '$'.join(parts)
+                elif self.escapeinside:
+                    text = value
+                    value = ''
+                    while text:
+                        a, sep1, text = text.partition(self.left)
+                        if sep1:
+                            b, sep2, text = text.partition(self.right)
+                            if sep2:
+                                value += escape_tex(a, cp) + b
+                            else:
+                                value += escape_tex(a + sep1 + b, cp)
+                        else:
+                            value += escape_tex(a, cp)
+                else:
+                    value = escape_tex(value, cp)
+            elif ttype not in Token.Escape:
+                value = escape_tex(value, cp)
+            styles = []
+            while ttype is not Token:
+                try:
+                    styles.append(t2n[ttype])
+                except KeyError:
+                    # not in current style
+                    styles.append(_get_ttype_name(ttype))
+                ttype = ttype.parent
+            styleval = '+'.join(reversed(styles))
+            if styleval:
+                spl = value.split('\n')
+                for line in spl[:-1]:
+                    if line:
+                        outfile.write("\\%s{%s}{%s}" % (cp, styleval, line))
+                    outfile.write('\n')
+                if spl[-1]:
+                    outfile.write("\\%s{%s}{%s}" % (cp, styleval, spl[-1]))
+            else:
+                outfile.write(value)
+
+        if not self.nowrap:
+            outfile.write('\\end{' + self.envname + '}\n')
+
+        if self.full:
+            encoding = self.encoding or 'utf8'
+            # map known existings encodings from LaTeX distribution
+            encoding = {
+                'utf_8': 'utf8',
+                'latin_1': 'latin1',
+                'iso_8859_1': 'latin1',
+            }.get(encoding.replace('-', '_'), encoding)
+            realoutfile.write(DOC_TEMPLATE %
+                dict(docclass  = self.docclass,
+                     preamble  = self.preamble,
+                     title     = self.title,
+                     encoding  = encoding,
+                     styledefs = self.get_style_defs(),
+                     code      = outfile.getvalue()))
+
+
+class LatexEmbeddedLexer(Lexer):
+    """
+    This lexer takes one lexer as argument, the lexer for the language
+    being formatted, and the left and right delimiters for escaped text.
+
+    First everything is scanned using the language lexer to obtain
+    strings and comments. All other consecutive tokens are merged and
+    the resulting text is scanned for escaped segments, which are given
+    the Token.Escape type. Finally text that is not escaped is scanned
+    again with the language lexer.
+    """
+    def __init__(self, left, right, lang, **options):
+        self.left = left
+        self.right = right
+        self.lang = lang
+        Lexer.__init__(self, **options)
+
+    def get_tokens_unprocessed(self, text):
+        # find and remove all the escape tokens (replace with an empty string)
+        # this is very similar to DelegatingLexer.get_tokens_unprocessed.
+        buffered = ''
+        insertions = []
+        insertion_buf = []
+        for i, t, v in self._find_safe_escape_tokens(text):
+            if t is None:
+                if insertion_buf:
+                    insertions.append((len(buffered), insertion_buf))
+                    insertion_buf = []
+                buffered += v
+            else:
+                insertion_buf.append((i, t, v))
+        if insertion_buf:
+            insertions.append((len(buffered), insertion_buf))
+        return do_insertions(insertions,
+                             self.lang.get_tokens_unprocessed(buffered))
+
+    def _find_safe_escape_tokens(self, text):
+        """ find escape tokens that are not in strings or comments """
+        for i, t, v in self._filter_to(
+            self.lang.get_tokens_unprocessed(text),
+            lambda t: t in Token.Comment or t in Token.String
+        ):
+            if t is None:
+                for i2, t2, v2 in self._find_escape_tokens(v):
+                    yield i + i2, t2, v2
+            else:
+                yield i, None, v
+
+    def _filter_to(self, it, pred):
+        """ Keep only the tokens that match `pred`, merge the others together """
+        buf = ''
+        idx = 0
+        for i, t, v in it:
+            if pred(t):
+                if buf:
+                    yield idx, None, buf
+                    buf = ''
+                yield i, t, v
+            else:
+                if not buf:
+                    idx = i
+                buf += v
+        if buf:
+            yield idx, None, buf
+
+    def _find_escape_tokens(self, text):
+        """ Find escape tokens within text, give token=None otherwise """
+        index = 0
+        while text:
+            a, sep1, text = text.partition(self.left)
+            if a:
+                yield index, None, a
+                index += len(a)
+            if sep1:
+                b, sep2, text = text.partition(self.right)
+                if sep2:
+                    yield index + len(sep1), Token.Escape, b
+                    index += len(sep1) + len(b) + len(sep2)
+                else:
+                    yield index, Token.Error, sep1
+                    index += len(sep1)
+                    text = b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/other.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/other.py
new file mode 100644
index 00000000..990ead48
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/other.py
@@ -0,0 +1,161 @@
+"""
+    pygments.formatters.other
+    ~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Other formatters: NullFormatter, RawTokenFormatter.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_choice_opt
+from pip._vendor.pygments.token import Token
+from pip._vendor.pygments.console import colorize
+
+__all__ = ['NullFormatter', 'RawTokenFormatter', 'TestcaseFormatter']
+
+
+class NullFormatter(Formatter):
+    """
+    Output the text unchanged without any formatting.
+    """
+    name = 'Text only'
+    aliases = ['text', 'null']
+    filenames = ['*.txt']
+
+    def format(self, tokensource, outfile):
+        enc = self.encoding
+        for ttype, value in tokensource:
+            if enc:
+                outfile.write(value.encode(enc))
+            else:
+                outfile.write(value)
+
+
+class RawTokenFormatter(Formatter):
+    r"""
+    Format tokens as a raw representation for storing token streams.
+
+    The format is ``tokentype<TAB>repr(tokenstring)\n``. The output can later
+    be converted to a token stream with the `RawTokenLexer`, described in the
+    :doc:`lexer list <lexers>`.
+
+    Only two options are accepted:
+
+    `compress`
+        If set to ``'gz'`` or ``'bz2'``, compress the output with the given
+        compression algorithm after encoding (default: ``''``).
+    `error_color`
+        If set to a color name, highlight error tokens using that color.  If
+        set but with no value, defaults to ``'red'``.
+
+        .. versionadded:: 0.11
+
+    """
+    name = 'Raw tokens'
+    aliases = ['raw', 'tokens']
+    filenames = ['*.raw']
+
+    unicodeoutput = False
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        # We ignore self.encoding if it is set, since it gets set for lexer
+        # and formatter if given with -Oencoding on the command line.
+        # The RawTokenFormatter outputs only ASCII. Override here.
+        self.encoding = 'ascii'  # let pygments.format() do the right thing
+        self.compress = get_choice_opt(options, 'compress',
+                                       ['', 'none', 'gz', 'bz2'], '')
+        self.error_color = options.get('error_color', None)
+        if self.error_color is True:
+            self.error_color = 'red'
+        if self.error_color is not None:
+            try:
+                colorize(self.error_color, '')
+            except KeyError:
+                raise ValueError("Invalid color %r specified" %
+                                 self.error_color)
+
+    def format(self, tokensource, outfile):
+        try:
+            outfile.write(b'')
+        except TypeError:
+            raise TypeError('The raw tokens formatter needs a binary '
+                            'output file')
+        if self.compress == 'gz':
+            import gzip
+            outfile = gzip.GzipFile('', 'wb', 9, outfile)
+
+            write = outfile.write
+            flush = outfile.close
+        elif self.compress == 'bz2':
+            import bz2
+            compressor = bz2.BZ2Compressor(9)
+
+            def write(text):
+                outfile.write(compressor.compress(text))
+
+            def flush():
+                outfile.write(compressor.flush())
+                outfile.flush()
+        else:
+            write = outfile.write
+            flush = outfile.flush
+
+        if self.error_color:
+            for ttype, value in tokensource:
+                line = b"%r\t%r\n" % (ttype, value)
+                if ttype is Token.Error:
+                    write(colorize(self.error_color, line))
+                else:
+                    write(line)
+        else:
+            for ttype, value in tokensource:
+                write(b"%r\t%r\n" % (ttype, value))
+        flush()
+
+
+TESTCASE_BEFORE = '''\
+    def testNeedsName(lexer):
+        fragment = %r
+        tokens = [
+'''
+TESTCASE_AFTER = '''\
+        ]
+        assert list(lexer.get_tokens(fragment)) == tokens
+'''
+
+
+class TestcaseFormatter(Formatter):
+    """
+    Format tokens as appropriate for a new testcase.
+
+    .. versionadded:: 2.0
+    """
+    name = 'Testcase'
+    aliases = ['testcase']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        if self.encoding is not None and self.encoding != 'utf-8':
+            raise ValueError("Only None and utf-8 are allowed encodings.")
+
+    def format(self, tokensource, outfile):
+        indentation = ' ' * 12
+        rawbuf = []
+        outbuf = []
+        for ttype, value in tokensource:
+            rawbuf.append(value)
+            outbuf.append('%s(%s, %r),\n' % (indentation, ttype, value))
+
+        before = TESTCASE_BEFORE % (''.join(rawbuf),)
+        during = ''.join(outbuf)
+        after = TESTCASE_AFTER
+        if self.encoding is None:
+            outfile.write(before + during + after)
+        else:
+            outfile.write(before.encode('utf-8'))
+            outfile.write(during.encode('utf-8'))
+            outfile.write(after.encode('utf-8'))
+        outfile.flush()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/pangomarkup.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/pangomarkup.py
new file mode 100644
index 00000000..6bb325d0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/pangomarkup.py
@@ -0,0 +1,83 @@
+"""
+    pygments.formatters.pangomarkup
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for Pango markup output.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+
+
+__all__ = ['PangoMarkupFormatter']
+
+
+_escape_table = {
+    ord('&'): '&amp;',
+    ord('<'): '&lt;',
+}
+
+
+def escape_special_chars(text, table=_escape_table):
+    """Escape & and < for Pango Markup."""
+    return text.translate(table)
+
+
+class PangoMarkupFormatter(Formatter):
+    """
+    Format tokens as Pango Markup code. It can then be rendered to an SVG.
+
+    .. versionadded:: 2.9
+    """
+
+    name = 'Pango Markup'
+    aliases = ['pango', 'pangomarkup']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+
+        self.styles = {}
+
+        for token, style in self.style:
+            start = ''
+            end = ''
+            if style['color']:
+                start += '<span fgcolor="#%s">' % style['color']
+                end = '</span>' + end
+            if style['bold']:
+                start += '<b>'
+                end = '</b>' + end
+            if style['italic']:
+                start += '<i>'
+                end = '</i>' + end
+            if style['underline']:
+                start += '<u>'
+                end = '</u>' + end
+            self.styles[token] = (start, end)
+
+    def format_unencoded(self, tokensource, outfile):
+        lastval = ''
+        lasttype = None
+
+        outfile.write('<tt>')
+
+        for ttype, value in tokensource:
+            while ttype not in self.styles:
+                ttype = ttype.parent
+            if ttype == lasttype:
+                lastval += escape_special_chars(value)
+            else:
+                if lastval:
+                    stylebegin, styleend = self.styles[lasttype]
+                    outfile.write(stylebegin + lastval + styleend)
+                lastval = escape_special_chars(value)
+                lasttype = ttype
+
+        if lastval:
+            stylebegin, styleend = self.styles[lasttype]
+            outfile.write(stylebegin + lastval + styleend)
+
+        outfile.write('</tt>')
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/rtf.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/rtf.py
new file mode 100644
index 00000000..125189c6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/rtf.py
@@ -0,0 +1,146 @@
+"""
+    pygments.formatters.rtf
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    A formatter that generates RTF files.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.util import get_int_opt, surrogatepair
+
+
+__all__ = ['RtfFormatter']
+
+
+class RtfFormatter(Formatter):
+    """
+    Format tokens as RTF markup. This formatter automatically outputs full RTF
+    documents with color information and other useful stuff. Perfect for Copy and
+    Paste into Microsoft(R) Word(R) documents.
+
+    Please note that ``encoding`` and ``outencoding`` options are ignored.
+    The RTF format is ASCII natively, but handles unicode characters correctly
+    thanks to escape sequences.
+
+    .. versionadded:: 0.6
+
+    Additional options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `fontface`
+        The used font family, for example ``Bitstream Vera Sans``. Defaults to
+        some generic font which is supposed to have fixed width.
+
+    `fontsize`
+        Size of the font used. Size is specified in half points. The
+        default is 24 half-points, giving a size 12 font.
+
+        .. versionadded:: 2.0
+    """
+    name = 'RTF'
+    aliases = ['rtf']
+    filenames = ['*.rtf']
+
+    def __init__(self, **options):
+        r"""
+        Additional options accepted:
+
+        ``fontface``
+            Name of the font used. Could for example be ``'Courier New'``
+            to further specify the default which is ``'\fmodern'``. The RTF
+            specification claims that ``\fmodern`` are "Fixed-pitch serif
+            and sans serif fonts". Hope every RTF implementation thinks
+            the same about modern...
+
+        """
+        Formatter.__init__(self, **options)
+        self.fontface = options.get('fontface') or ''
+        self.fontsize = get_int_opt(options, 'fontsize', 0)
+
+    def _escape(self, text):
+        return text.replace('\\', '\\\\') \
+                   .replace('{', '\\{') \
+                   .replace('}', '\\}')
+
+    def _escape_text(self, text):
+        # empty strings, should give a small performance improvement
+        if not text:
+            return ''
+
+        # escape text
+        text = self._escape(text)
+
+        buf = []
+        for c in text:
+            cn = ord(c)
+            if cn < (2**7):
+                # ASCII character
+                buf.append(str(c))
+            elif (2**7) <= cn < (2**16):
+                # single unicode escape sequence
+                buf.append('{\\u%d}' % cn)
+            elif (2**16) <= cn:
+                # RTF limits unicode to 16 bits.
+                # Force surrogate pairs
+                buf.append('{\\u%d}{\\u%d}' % surrogatepair(cn))
+
+        return ''.join(buf).replace('\n', '\\par\n')
+
+    def format_unencoded(self, tokensource, outfile):
+        # rtf 1.8 header
+        outfile.write('{\\rtf1\\ansi\\uc0\\deff0'
+                      '{\\fonttbl{\\f0\\fmodern\\fprq1\\fcharset0%s;}}'
+                      '{\\colortbl;' % (self.fontface and
+                                        ' ' + self._escape(self.fontface) or
+                                        ''))
+
+        # convert colors and save them in a mapping to access them later.
+        color_mapping = {}
+        offset = 1
+        for _, style in self.style:
+            for color in style['color'], style['bgcolor'], style['border']:
+                if color and color not in color_mapping:
+                    color_mapping[color] = offset
+                    outfile.write('\\red%d\\green%d\\blue%d;' % (
+                        int(color[0:2], 16),
+                        int(color[2:4], 16),
+                        int(color[4:6], 16)
+                    ))
+                    offset += 1
+        outfile.write('}\\f0 ')
+        if self.fontsize:
+            outfile.write('\\fs%d' % self.fontsize)
+
+        # highlight stream
+        for ttype, value in tokensource:
+            while not self.style.styles_token(ttype) and ttype.parent:
+                ttype = ttype.parent
+            style = self.style.style_for_token(ttype)
+            buf = []
+            if style['bgcolor']:
+                buf.append('\\cb%d' % color_mapping[style['bgcolor']])
+            if style['color']:
+                buf.append('\\cf%d' % color_mapping[style['color']])
+            if style['bold']:
+                buf.append('\\b')
+            if style['italic']:
+                buf.append('\\i')
+            if style['underline']:
+                buf.append('\\ul')
+            if style['border']:
+                buf.append('\\chbrdr\\chcfpat%d' %
+                           color_mapping[style['border']])
+            start = ''.join(buf)
+            if start:
+                outfile.write('{%s ' % start)
+            outfile.write(self._escape_text(value))
+            if start:
+                outfile.write('}')
+
+        outfile.write('}')
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/svg.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/svg.py
new file mode 100644
index 00000000..a8727ed8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/svg.py
@@ -0,0 +1,188 @@
+"""
+    pygments.formatters.svg
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for SVG output.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Comment
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt
+
+__all__ = ['SvgFormatter']
+
+
+def escape_html(text):
+    """Escape &, <, > as well as single and double quotes for HTML."""
+    return text.replace('&', '&amp;').  \
+                replace('<', '&lt;').   \
+                replace('>', '&gt;').   \
+                replace('"', '&quot;'). \
+                replace("'", '&#39;')
+
+
+class2style = {}
+
+class SvgFormatter(Formatter):
+    """
+    Format tokens as an SVG graphics file.  This formatter is still experimental.
+    Each line of code is a ``<text>`` element with explicit ``x`` and ``y``
+    coordinates containing ``<tspan>`` elements with the individual token styles.
+
+    By default, this formatter outputs a full SVG document including doctype
+    declaration and the ``<svg>`` root element.
+
+    .. versionadded:: 0.9
+
+    Additional options accepted:
+
+    `nowrap`
+        Don't wrap the SVG ``<text>`` elements in ``<svg><g>`` elements and
+        don't add a XML declaration and a doctype.  If true, the `fontfamily`
+        and `fontsize` options are ignored.  Defaults to ``False``.
+
+    `fontfamily`
+        The value to give the wrapping ``<g>`` element's ``font-family``
+        attribute, defaults to ``"monospace"``.
+
+    `fontsize`
+        The value to give the wrapping ``<g>`` element's ``font-size``
+        attribute, defaults to ``"14px"``.
+
+    `linenos`
+        If ``True``, add line numbers (default: ``False``).
+
+    `linenostart`
+        The line number for the first line (default: ``1``).
+
+    `linenostep`
+        If set to a number n > 1, only every nth line number is printed.
+        
+    `linenowidth`
+        Maximum width devoted to line numbers (default: ``3*ystep``, sufficient
+        for up to 4-digit line numbers. Increase width for longer code blocks).  
+        
+    `xoffset`
+        Starting offset in X direction, defaults to ``0``.
+
+    `yoffset`
+        Starting offset in Y direction, defaults to the font size if it is given
+        in pixels, or ``20`` else.  (This is necessary since text coordinates
+        refer to the text baseline, not the top edge.)
+
+    `ystep`
+        Offset to add to the Y coordinate for each subsequent line.  This should
+        roughly be the text size plus 5.  It defaults to that value if the text
+        size is given in pixels, or ``25`` else.
+
+    `spacehack`
+        Convert spaces in the source to ``&#160;``, which are non-breaking
+        spaces.  SVG provides the ``xml:space`` attribute to control how
+        whitespace inside tags is handled, in theory, the ``preserve`` value
+        could be used to keep all whitespace as-is.  However, many current SVG
+        viewers don't obey that rule, so this option is provided as a workaround
+        and defaults to ``True``.
+    """
+    name = 'SVG'
+    aliases = ['svg']
+    filenames = ['*.svg']
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.nowrap = get_bool_opt(options, 'nowrap', False)
+        self.fontfamily = options.get('fontfamily', 'monospace')
+        self.fontsize = options.get('fontsize', '14px')
+        self.xoffset = get_int_opt(options, 'xoffset', 0)
+        fs = self.fontsize.strip()
+        if fs.endswith('px'): fs = fs[:-2].strip()
+        try:
+            int_fs = int(fs)
+        except:
+            int_fs = 20
+        self.yoffset = get_int_opt(options, 'yoffset', int_fs)
+        self.ystep = get_int_opt(options, 'ystep', int_fs + 5)
+        self.spacehack = get_bool_opt(options, 'spacehack', True)
+        self.linenos = get_bool_opt(options,'linenos',False)
+        self.linenostart = get_int_opt(options,'linenostart',1)
+        self.linenostep = get_int_opt(options,'linenostep',1)
+        self.linenowidth = get_int_opt(options,'linenowidth', 3*self.ystep)
+        self._stylecache = {}
+
+    def format_unencoded(self, tokensource, outfile):
+        """
+        Format ``tokensource``, an iterable of ``(tokentype, tokenstring)``
+        tuples and write it into ``outfile``.
+
+        For our implementation we put all lines in their own 'line group'.
+        """
+        x = self.xoffset
+        y = self.yoffset
+        if not self.nowrap:
+            if self.encoding:
+                outfile.write('<?xml version="1.0" encoding="%s"?>\n' %
+                              self.encoding)
+            else:
+                outfile.write('<?xml version="1.0"?>\n')
+            outfile.write('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" '
+                          '"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/'
+                          'svg10.dtd">\n')
+            outfile.write('<svg xmlns="http://www.w3.org/2000/svg">\n')
+            outfile.write('<g font-family="%s" font-size="%s">\n' %
+                          (self.fontfamily, self.fontsize))
+        
+        counter = self.linenostart 
+        counter_step = self.linenostep
+        counter_style = self._get_style(Comment)
+        line_x = x
+        
+        if self.linenos:
+            if counter % counter_step == 0:
+                outfile.write('<text x="%s" y="%s" %s text-anchor="end">%s</text>' %
+                    (x+self.linenowidth,y,counter_style,counter))
+            line_x += self.linenowidth + self.ystep
+            counter += 1
+
+        outfile.write('<text x="%s" y="%s" xml:space="preserve">' % (line_x, y))
+        for ttype, value in tokensource:
+            style = self._get_style(ttype)
+            tspan = style and '<tspan' + style + '>' or ''
+            tspanend = tspan and '</tspan>' or ''
+            value = escape_html(value)
+            if self.spacehack:
+                value = value.expandtabs().replace(' ', '&#160;')
+            parts = value.split('\n')
+            for part in parts[:-1]:
+                outfile.write(tspan + part + tspanend)
+                y += self.ystep
+                outfile.write('</text>\n')
+                if self.linenos and counter % counter_step == 0:
+                    outfile.write('<text x="%s" y="%s" text-anchor="end" %s>%s</text>' %
+                        (x+self.linenowidth,y,counter_style,counter))
+                
+                counter += 1
+                outfile.write('<text x="%s" y="%s" ' 'xml:space="preserve">' % (line_x,y))
+            outfile.write(tspan + parts[-1] + tspanend)
+        outfile.write('</text>')
+
+        if not self.nowrap:
+            outfile.write('</g></svg>\n')
+
+    def _get_style(self, tokentype):
+        if tokentype in self._stylecache:
+            return self._stylecache[tokentype]
+        otokentype = tokentype
+        while not self.style.styles_token(tokentype):
+            tokentype = tokentype.parent
+        value = self.style.style_for_token(tokentype)
+        result = ''
+        if value['color']:
+            result = ' fill="#' + value['color'] + '"'
+        if value['bold']:
+            result += ' font-weight="bold"'
+        if value['italic']:
+            result += ' font-style="italic"'
+        self._stylecache[otokentype] = result
+        return result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/terminal.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/terminal.py
new file mode 100644
index 00000000..abb87708
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/terminal.py
@@ -0,0 +1,127 @@
+"""
+    pygments.formatters.terminal
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for terminal output with ANSI sequences.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.token import Keyword, Name, Comment, String, Error, \
+    Number, Operator, Generic, Token, Whitespace
+from pip._vendor.pygments.console import ansiformat
+from pip._vendor.pygments.util import get_choice_opt
+
+
+__all__ = ['TerminalFormatter']
+
+
+#: Map token types to a tuple of color values for light and dark
+#: backgrounds.
+TERMINAL_COLORS = {
+    Token:              ('',            ''),
+
+    Whitespace:         ('gray',   'brightblack'),
+    Comment:            ('gray',   'brightblack'),
+    Comment.Preproc:    ('cyan',        'brightcyan'),
+    Keyword:            ('blue',    'brightblue'),
+    Keyword.Type:       ('cyan',        'brightcyan'),
+    Operator.Word:      ('magenta',      'brightmagenta'),
+    Name.Builtin:       ('cyan',        'brightcyan'),
+    Name.Function:      ('green',   'brightgreen'),
+    Name.Namespace:     ('_cyan_',      '_brightcyan_'),
+    Name.Class:         ('_green_', '_brightgreen_'),
+    Name.Exception:     ('cyan',        'brightcyan'),
+    Name.Decorator:     ('brightblack',    'gray'),
+    Name.Variable:      ('red',     'brightred'),
+    Name.Constant:      ('red',     'brightred'),
+    Name.Attribute:     ('cyan',        'brightcyan'),
+    Name.Tag:           ('brightblue',        'brightblue'),
+    String:             ('yellow',       'yellow'),
+    Number:             ('blue',    'brightblue'),
+
+    Generic.Deleted:    ('brightred',        'brightred'),
+    Generic.Inserted:   ('green',  'brightgreen'),
+    Generic.Heading:    ('**',         '**'),
+    Generic.Subheading: ('*magenta*',   '*brightmagenta*'),
+    Generic.Prompt:     ('**',         '**'),
+    Generic.Error:      ('brightred',        'brightred'),
+
+    Error:              ('_brightred_',      '_brightred_'),
+}
+
+
+class TerminalFormatter(Formatter):
+    r"""
+    Format tokens with ANSI color sequences, for output in a text console.
+    Color sequences are terminated at newlines, so that paging the output
+    works correctly.
+
+    The `get_style_defs()` method doesn't do anything special since there is
+    no support for common styles.
+
+    Options accepted:
+
+    `bg`
+        Set to ``"light"`` or ``"dark"`` depending on the terminal's background
+        (default: ``"light"``).
+
+    `colorscheme`
+        A dictionary mapping token types to (lightbg, darkbg) color names or
+        ``None`` (default: ``None`` = use builtin colorscheme).
+
+    `linenos`
+        Set to ``True`` to have line numbers on the terminal output as well
+        (default: ``False`` = no line numbers).
+    """
+    name = 'Terminal'
+    aliases = ['terminal', 'console']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+        self.darkbg = get_choice_opt(options, 'bg',
+                                     ['light', 'dark'], 'light') == 'dark'
+        self.colorscheme = options.get('colorscheme', None) or TERMINAL_COLORS
+        self.linenos = options.get('linenos', False)
+        self._lineno = 0
+
+    def format(self, tokensource, outfile):
+        return Formatter.format(self, tokensource, outfile)
+
+    def _write_lineno(self, outfile):
+        self._lineno += 1
+        outfile.write("%s%04d: " % (self._lineno != 1 and '\n' or '', self._lineno))
+
+    def _get_color(self, ttype):
+        # self.colorscheme is a dict containing usually generic types, so we
+        # have to walk the tree of dots.  The base Token type must be a key,
+        # even if it's empty string, as in the default above.
+        colors = self.colorscheme.get(ttype)
+        while colors is None:
+            ttype = ttype.parent
+            colors = self.colorscheme.get(ttype)
+        return colors[self.darkbg]
+
+    def format_unencoded(self, tokensource, outfile):
+        if self.linenos:
+            self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            color = self._get_color(ttype)
+
+            for line in value.splitlines(True):
+                if color:
+                    outfile.write(ansiformat(color, line.rstrip('\n')))
+                else:
+                    outfile.write(line.rstrip('\n'))
+                if line.endswith('\n'):
+                    if self.linenos:
+                        self._write_lineno(outfile)
+                    else:
+                        outfile.write('\n')
+
+        if self.linenos:
+            outfile.write("\n")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/terminal256.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/terminal256.py
new file mode 100644
index 00000000..0cfe5d16
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/formatters/terminal256.py
@@ -0,0 +1,338 @@
+"""
+    pygments.formatters.terminal256
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Formatter for 256-color terminal output with ANSI sequences.
+
+    RGB-to-XTERM color conversion routines adapted from xterm256-conv
+    tool (http://frexx.de/xterm-256-notes/data/xterm256-conv2.tar.bz2)
+    by Wolfgang Frisch.
+
+    Formatter version 1.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+# TODO:
+#  - Options to map style's bold/underline/italic/border attributes
+#    to some ANSI attrbutes (something like 'italic=underline')
+#  - An option to output "style RGB to xterm RGB/index" conversion table
+#  - An option to indicate that we are running in "reverse background"
+#    xterm. This means that default colors are white-on-black, not
+#    black-on-while, so colors like "white background" need to be converted
+#    to "white background, black foreground", etc...
+
+from pip._vendor.pygments.formatter import Formatter
+from pip._vendor.pygments.console import codes
+from pip._vendor.pygments.style import ansicolors
+
+
+__all__ = ['Terminal256Formatter', 'TerminalTrueColorFormatter']
+
+
+class EscapeSequence:
+    def __init__(self, fg=None, bg=None, bold=False, underline=False, italic=False):
+        self.fg = fg
+        self.bg = bg
+        self.bold = bold
+        self.underline = underline
+        self.italic = italic
+
+    def escape(self, attrs):
+        if len(attrs):
+            return "\x1b[" + ";".join(attrs) + "m"
+        return ""
+
+    def color_string(self):
+        attrs = []
+        if self.fg is not None:
+            if self.fg in ansicolors:
+                esc = codes[self.fg.replace('ansi','')]
+                if ';01m' in esc:
+                    self.bold = True
+                # extract fg color code.
+                attrs.append(esc[2:4])
+            else:
+                attrs.extend(("38", "5", "%i" % self.fg))
+        if self.bg is not None:
+            if self.bg in ansicolors:
+                esc = codes[self.bg.replace('ansi','')]
+                # extract fg color code, add 10 for bg.
+                attrs.append(str(int(esc[2:4])+10))
+            else:
+                attrs.extend(("48", "5", "%i" % self.bg))
+        if self.bold:
+            attrs.append("01")
+        if self.underline:
+            attrs.append("04")
+        if self.italic:
+            attrs.append("03")
+        return self.escape(attrs)
+
+    def true_color_string(self):
+        attrs = []
+        if self.fg:
+            attrs.extend(("38", "2", str(self.fg[0]), str(self.fg[1]), str(self.fg[2])))
+        if self.bg:
+            attrs.extend(("48", "2", str(self.bg[0]), str(self.bg[1]), str(self.bg[2])))
+        if self.bold:
+            attrs.append("01")
+        if self.underline:
+            attrs.append("04")
+        if self.italic:
+            attrs.append("03")
+        return self.escape(attrs)
+
+    def reset_string(self):
+        attrs = []
+        if self.fg is not None:
+            attrs.append("39")
+        if self.bg is not None:
+            attrs.append("49")
+        if self.bold or self.underline or self.italic:
+            attrs.append("00")
+        return self.escape(attrs)
+
+
+class Terminal256Formatter(Formatter):
+    """
+    Format tokens with ANSI color sequences, for output in a 256-color
+    terminal or console.  Like in `TerminalFormatter` color sequences
+    are terminated at newlines, so that paging the output works correctly.
+
+    The formatter takes colors from a style defined by the `style` option
+    and converts them to nearest ANSI 256-color escape sequences. Bold and
+    underline attributes from the style are preserved (and displayed).
+
+    .. versionadded:: 0.9
+
+    .. versionchanged:: 2.2
+       If the used style defines foreground colors in the form ``#ansi*``, then
+       `Terminal256Formatter` will map these to non extended foreground color.
+       See :ref:`AnsiTerminalStyle` for more information.
+
+    .. versionchanged:: 2.4
+       The ANSI color names have been updated with names that are easier to
+       understand and align with colornames of other projects and terminals.
+       See :ref:`this table <new-ansi-color-names>` for more information.
+
+
+    Options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+
+    `linenos`
+        Set to ``True`` to have line numbers on the terminal output as well
+        (default: ``False`` = no line numbers).
+    """
+    name = 'Terminal256'
+    aliases = ['terminal256', 'console256', '256']
+    filenames = []
+
+    def __init__(self, **options):
+        Formatter.__init__(self, **options)
+
+        self.xterm_colors = []
+        self.best_match = {}
+        self.style_string = {}
+
+        self.usebold = 'nobold' not in options
+        self.useunderline = 'nounderline' not in options
+        self.useitalic = 'noitalic' not in options
+
+        self._build_color_table()  # build an RGB-to-256 color conversion table
+        self._setup_styles()  # convert selected style's colors to term. colors
+
+        self.linenos = options.get('linenos', False)
+        self._lineno = 0
+
+    def _build_color_table(self):
+        # colors 0..15: 16 basic colors
+
+        self.xterm_colors.append((0x00, 0x00, 0x00))  # 0
+        self.xterm_colors.append((0xcd, 0x00, 0x00))  # 1
+        self.xterm_colors.append((0x00, 0xcd, 0x00))  # 2
+        self.xterm_colors.append((0xcd, 0xcd, 0x00))  # 3
+        self.xterm_colors.append((0x00, 0x00, 0xee))  # 4
+        self.xterm_colors.append((0xcd, 0x00, 0xcd))  # 5
+        self.xterm_colors.append((0x00, 0xcd, 0xcd))  # 6
+        self.xterm_colors.append((0xe5, 0xe5, 0xe5))  # 7
+        self.xterm_colors.append((0x7f, 0x7f, 0x7f))  # 8
+        self.xterm_colors.append((0xff, 0x00, 0x00))  # 9
+        self.xterm_colors.append((0x00, 0xff, 0x00))  # 10
+        self.xterm_colors.append((0xff, 0xff, 0x00))  # 11
+        self.xterm_colors.append((0x5c, 0x5c, 0xff))  # 12
+        self.xterm_colors.append((0xff, 0x00, 0xff))  # 13
+        self.xterm_colors.append((0x00, 0xff, 0xff))  # 14
+        self.xterm_colors.append((0xff, 0xff, 0xff))  # 15
+
+        # colors 16..232: the 6x6x6 color cube
+
+        valuerange = (0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff)
+
+        for i in range(217):
+            r = valuerange[(i // 36) % 6]
+            g = valuerange[(i // 6) % 6]
+            b = valuerange[i % 6]
+            self.xterm_colors.append((r, g, b))
+
+        # colors 233..253: grayscale
+
+        for i in range(1, 22):
+            v = 8 + i * 10
+            self.xterm_colors.append((v, v, v))
+
+    def _closest_color(self, r, g, b):
+        distance = 257*257*3  # "infinity" (>distance from #000000 to #ffffff)
+        match = 0
+
+        for i in range(0, 254):
+            values = self.xterm_colors[i]
+
+            rd = r - values[0]
+            gd = g - values[1]
+            bd = b - values[2]
+            d = rd*rd + gd*gd + bd*bd
+
+            if d < distance:
+                match = i
+                distance = d
+        return match
+
+    def _color_index(self, color):
+        index = self.best_match.get(color, None)
+        if color in ansicolors:
+            # strip the `ansi/#ansi` part and look up code
+            index = color
+            self.best_match[color] = index
+        if index is None:
+            try:
+                rgb = int(str(color), 16)
+            except ValueError:
+                rgb = 0
+
+            r = (rgb >> 16) & 0xff
+            g = (rgb >> 8) & 0xff
+            b = rgb & 0xff
+            index = self._closest_color(r, g, b)
+            self.best_match[color] = index
+        return index
+
+    def _setup_styles(self):
+        for ttype, ndef in self.style:
+            escape = EscapeSequence()
+            # get foreground from ansicolor if set
+            if ndef['ansicolor']:
+                escape.fg = self._color_index(ndef['ansicolor'])
+            elif ndef['color']:
+                escape.fg = self._color_index(ndef['color'])
+            if ndef['bgansicolor']:
+                escape.bg = self._color_index(ndef['bgansicolor'])
+            elif ndef['bgcolor']:
+                escape.bg = self._color_index(ndef['bgcolor'])
+            if self.usebold and ndef['bold']:
+                escape.bold = True
+            if self.useunderline and ndef['underline']:
+                escape.underline = True
+            if self.useitalic and ndef['italic']:
+                escape.italic = True
+            self.style_string[str(ttype)] = (escape.color_string(),
+                                             escape.reset_string())
+
+    def _write_lineno(self, outfile):
+        self._lineno += 1
+        outfile.write("%s%04d: " % (self._lineno != 1 and '\n' or '', self._lineno))
+
+    def format(self, tokensource, outfile):
+        return Formatter.format(self, tokensource, outfile)
+
+    def format_unencoded(self, tokensource, outfile):
+        if self.linenos:
+            self._write_lineno(outfile)
+
+        for ttype, value in tokensource:
+            not_found = True
+            while ttype and not_found:
+                try:
+                    # outfile.write( "<" + str(ttype) + ">" )
+                    on, off = self.style_string[str(ttype)]
+
+                    # Like TerminalFormatter, add "reset colors" escape sequence
+                    # on newline.
+                    spl = value.split('\n')
+                    for line in spl[:-1]:
+                        if line:
+                            outfile.write(on + line + off)
+                        if self.linenos:
+                            self._write_lineno(outfile)
+                        else:
+                            outfile.write('\n')
+
+                    if spl[-1]:
+                        outfile.write(on + spl[-1] + off)
+
+                    not_found = False
+                    # outfile.write( '#' + str(ttype) + '#' )
+
+                except KeyError:
+                    # ottype = ttype
+                    ttype = ttype.parent
+                    # outfile.write( '!' + str(ottype) + '->' + str(ttype) + '!' )
+
+            if not_found:
+                outfile.write(value)
+
+        if self.linenos:
+            outfile.write("\n")
+
+
+
+class TerminalTrueColorFormatter(Terminal256Formatter):
+    r"""
+    Format tokens with ANSI color sequences, for output in a true-color
+    terminal or console.  Like in `TerminalFormatter` color sequences
+    are terminated at newlines, so that paging the output works correctly.
+
+    .. versionadded:: 2.1
+
+    Options accepted:
+
+    `style`
+        The style to use, can be a string or a Style subclass (default:
+        ``'default'``).
+    """
+    name = 'TerminalTrueColor'
+    aliases = ['terminal16m', 'console16m', '16m']
+    filenames = []
+
+    def _build_color_table(self):
+        pass
+
+    def _color_tuple(self, color):
+        try:
+            rgb = int(str(color), 16)
+        except ValueError:
+            return None
+        r = (rgb >> 16) & 0xff
+        g = (rgb >> 8) & 0xff
+        b = rgb & 0xff
+        return (r, g, b)
+
+    def _setup_styles(self):
+        for ttype, ndef in self.style:
+            escape = EscapeSequence()
+            if ndef['color']:
+                escape.fg = self._color_tuple(ndef['color'])
+            if ndef['bgcolor']:
+                escape.bg = self._color_tuple(ndef['bgcolor'])
+            if self.usebold and ndef['bold']:
+                escape.bold = True
+            if self.useunderline and ndef['underline']:
+                escape.underline = True
+            if self.useitalic and ndef['italic']:
+                escape.italic = True
+            self.style_string[str(ttype)] = (escape.true_color_string(),
+                                             escape.reset_string())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexer.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexer.py
new file mode 100644
index 00000000..eb2c1b46
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexer.py
@@ -0,0 +1,943 @@
+"""
+    pygments.lexer
+    ~~~~~~~~~~~~~~
+
+    Base lexer classes.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+import sys
+import time
+
+from pip._vendor.pygments.filter import apply_filters, Filter
+from pip._vendor.pygments.filters import get_filter_by_name
+from pip._vendor.pygments.token import Error, Text, Other, Whitespace, _TokenType
+from pip._vendor.pygments.util import get_bool_opt, get_int_opt, get_list_opt, \
+    make_analysator, Future, guess_decode
+from pip._vendor.pygments.regexopt import regex_opt
+
+__all__ = ['Lexer', 'RegexLexer', 'ExtendedRegexLexer', 'DelegatingLexer',
+           'LexerContext', 'include', 'inherit', 'bygroups', 'using', 'this',
+           'default', 'words', 'line_re']
+
+line_re = re.compile('.*?\n')
+
+_encoding_map = [(b'\xef\xbb\xbf', 'utf-8'),
+                 (b'\xff\xfe\0\0', 'utf-32'),
+                 (b'\0\0\xfe\xff', 'utf-32be'),
+                 (b'\xff\xfe', 'utf-16'),
+                 (b'\xfe\xff', 'utf-16be')]
+
+_default_analyse = staticmethod(lambda x: 0.0)
+
+
+class LexerMeta(type):
+    """
+    This metaclass automagically converts ``analyse_text`` methods into
+    static methods which always return float values.
+    """
+
+    def __new__(mcs, name, bases, d):
+        if 'analyse_text' in d:
+            d['analyse_text'] = make_analysator(d['analyse_text'])
+        return type.__new__(mcs, name, bases, d)
+
+
+class Lexer(metaclass=LexerMeta):
+    """
+    Lexer for a specific language.
+
+    See also :doc:`lexerdevelopment`, a high-level guide to writing
+    lexers.
+
+    Lexer classes have attributes used for choosing the most appropriate
+    lexer based on various criteria.
+
+    .. autoattribute:: name
+       :no-value:
+    .. autoattribute:: aliases
+       :no-value:
+    .. autoattribute:: filenames
+       :no-value:
+    .. autoattribute:: alias_filenames
+    .. autoattribute:: mimetypes
+       :no-value:
+    .. autoattribute:: priority
+
+    Lexers included in Pygments should have an additional attribute:
+
+    .. autoattribute:: url
+       :no-value:
+
+    You can pass options to the constructor. The basic options recognized
+    by all lexers and processed by the base `Lexer` class are:
+
+    ``stripnl``
+        Strip leading and trailing newlines from the input (default: True).
+    ``stripall``
+        Strip all leading and trailing whitespace from the input
+        (default: False).
+    ``ensurenl``
+        Make sure that the input ends with a newline (default: True).  This
+        is required for some lexers that consume input linewise.
+
+        .. versionadded:: 1.3
+
+    ``tabsize``
+        If given and greater than 0, expand tabs in the input (default: 0).
+    ``encoding``
+        If given, must be an encoding name. This encoding will be used to
+        convert the input string to Unicode, if it is not already a Unicode
+        string (default: ``'guess'``, which uses a simple UTF-8 / Locale /
+        Latin1 detection.  Can also be ``'chardet'`` to use the chardet
+        library, if it is installed.
+    ``inencoding``
+        Overrides the ``encoding`` if given.
+    """
+
+    #: Full name of the lexer, in human-readable form
+    name = None
+
+    #: A list of short, unique identifiers that can be used to look
+    #: up the lexer from a list, e.g., using `get_lexer_by_name()`.
+    aliases = []
+
+    #: A list of `fnmatch` patterns that match filenames which contain
+    #: content for this lexer. The patterns in this list should be unique among
+    #: all lexers.
+    filenames = []
+
+    #: A list of `fnmatch` patterns that match filenames which may or may not
+    #: contain content for this lexer. This list is used by the
+    #: :func:`.guess_lexer_for_filename()` function, to determine which lexers
+    #: are then included in guessing the correct one. That means that
+    #: e.g. every lexer for HTML and a template language should include
+    #: ``\*.html`` in this list.
+    alias_filenames = []
+
+    #: A list of MIME types for content that can be lexed with this lexer.
+    mimetypes = []
+
+    #: Priority, should multiple lexers match and no content is provided
+    priority = 0
+
+    #: URL of the language specification/definition. Used in the Pygments
+    #: documentation.
+    url = None
+
+    def __init__(self, **options):
+        """
+        This constructor takes arbitrary options as keyword arguments.
+        Every subclass must first process its own options and then call
+        the `Lexer` constructor, since it processes the basic
+        options like `stripnl`.
+
+        An example looks like this:
+
+        .. sourcecode:: python
+
+           def __init__(self, **options):
+               self.compress = options.get('compress', '')
+               Lexer.__init__(self, **options)
+
+        As these options must all be specifiable as strings (due to the
+        command line usage), there are various utility functions
+        available to help with that, see `Utilities`_.
+        """
+        self.options = options
+        self.stripnl = get_bool_opt(options, 'stripnl', True)
+        self.stripall = get_bool_opt(options, 'stripall', False)
+        self.ensurenl = get_bool_opt(options, 'ensurenl', True)
+        self.tabsize = get_int_opt(options, 'tabsize', 0)
+        self.encoding = options.get('encoding', 'guess')
+        self.encoding = options.get('inencoding') or self.encoding
+        self.filters = []
+        for filter_ in get_list_opt(options, 'filters', ()):
+            self.add_filter(filter_)
+
+    def __repr__(self):
+        if self.options:
+            return '<pygments.lexers.%s with %r>' % (self.__class__.__name__,
+                                                     self.options)
+        else:
+            return '<pygments.lexers.%s>' % self.__class__.__name__
+
+    def add_filter(self, filter_, **options):
+        """
+        Add a new stream filter to this lexer.
+        """
+        if not isinstance(filter_, Filter):
+            filter_ = get_filter_by_name(filter_, **options)
+        self.filters.append(filter_)
+
+    def analyse_text(text):
+        """
+        A static method which is called for lexer guessing.
+
+        It should analyse the text and return a float in the range
+        from ``0.0`` to ``1.0``.  If it returns ``0.0``, the lexer
+        will not be selected as the most probable one, if it returns
+        ``1.0``, it will be selected immediately.  This is used by
+        `guess_lexer`.
+
+        The `LexerMeta` metaclass automatically wraps this function so
+        that it works like a static method (no ``self`` or ``cls``
+        parameter) and the return value is automatically converted to
+        `float`. If the return value is an object that is boolean `False`
+        it's the same as if the return values was ``0.0``.
+        """
+
+    def get_tokens(self, text, unfiltered=False):
+        """
+        This method is the basic interface of a lexer. It is called by
+        the `highlight()` function. It must process the text and return an
+        iterable of ``(tokentype, value)`` pairs from `text`.
+
+        Normally, you don't need to override this method. The default
+        implementation processes the options recognized by all lexers
+        (`stripnl`, `stripall` and so on), and then yields all tokens
+        from `get_tokens_unprocessed()`, with the ``index`` dropped.
+
+        If `unfiltered` is set to `True`, the filtering mechanism is
+        bypassed even if filters are defined.
+        """
+        if not isinstance(text, str):
+            if self.encoding == 'guess':
+                text, _ = guess_decode(text)
+            elif self.encoding == 'chardet':
+                try:
+                    from pip._vendor import chardet
+                except ImportError as e:
+                    raise ImportError('To enable chardet encoding guessing, '
+                                      'please install the chardet library '
+                                      'from http://chardet.feedparser.org/') from e
+                # check for BOM first
+                decoded = None
+                for bom, encoding in _encoding_map:
+                    if text.startswith(bom):
+                        decoded = text[len(bom):].decode(encoding, 'replace')
+                        break
+                # no BOM found, so use chardet
+                if decoded is None:
+                    enc = chardet.detect(text[:1024])  # Guess using first 1KB
+                    decoded = text.decode(enc.get('encoding') or 'utf-8',
+                                          'replace')
+                text = decoded
+            else:
+                text = text.decode(self.encoding)
+                if text.startswith('\ufeff'):
+                    text = text[len('\ufeff'):]
+        else:
+            if text.startswith('\ufeff'):
+                text = text[len('\ufeff'):]
+
+        # text now *is* a unicode string
+        text = text.replace('\r\n', '\n')
+        text = text.replace('\r', '\n')
+        if self.stripall:
+            text = text.strip()
+        elif self.stripnl:
+            text = text.strip('\n')
+        if self.tabsize > 0:
+            text = text.expandtabs(self.tabsize)
+        if self.ensurenl and not text.endswith('\n'):
+            text += '\n'
+
+        def streamer():
+            for _, t, v in self.get_tokens_unprocessed(text):
+                yield t, v
+        stream = streamer()
+        if not unfiltered:
+            stream = apply_filters(stream, self.filters, self)
+        return stream
+
+    def get_tokens_unprocessed(self, text):
+        """
+        This method should process the text and return an iterable of
+        ``(index, tokentype, value)`` tuples where ``index`` is the starting
+        position of the token within the input text.
+
+        It must be overridden by subclasses. It is recommended to
+        implement it as a generator to maximize effectiveness.
+        """
+        raise NotImplementedError
+
+
+class DelegatingLexer(Lexer):
+    """
+    This lexer takes two lexer as arguments. A root lexer and
+    a language lexer. First everything is scanned using the language
+    lexer, afterwards all ``Other`` tokens are lexed using the root
+    lexer.
+
+    The lexers from the ``template`` lexer package use this base lexer.
+    """
+
+    def __init__(self, _root_lexer, _language_lexer, _needle=Other, **options):
+        self.root_lexer = _root_lexer(**options)
+        self.language_lexer = _language_lexer(**options)
+        self.needle = _needle
+        Lexer.__init__(self, **options)
+
+    def get_tokens_unprocessed(self, text):
+        buffered = ''
+        insertions = []
+        lng_buffer = []
+        for i, t, v in self.language_lexer.get_tokens_unprocessed(text):
+            if t is self.needle:
+                if lng_buffer:
+                    insertions.append((len(buffered), lng_buffer))
+                    lng_buffer = []
+                buffered += v
+            else:
+                lng_buffer.append((i, t, v))
+        if lng_buffer:
+            insertions.append((len(buffered), lng_buffer))
+        return do_insertions(insertions,
+                             self.root_lexer.get_tokens_unprocessed(buffered))
+
+
+# ------------------------------------------------------------------------------
+# RegexLexer and ExtendedRegexLexer
+#
+
+
+class include(str):  # pylint: disable=invalid-name
+    """
+    Indicates that a state should include rules from another state.
+    """
+    pass
+
+
+class _inherit:
+    """
+    Indicates the a state should inherit from its superclass.
+    """
+    def __repr__(self):
+        return 'inherit'
+
+inherit = _inherit()  # pylint: disable=invalid-name
+
+
+class combined(tuple):  # pylint: disable=invalid-name
+    """
+    Indicates a state combined from multiple states.
+    """
+
+    def __new__(cls, *args):
+        return tuple.__new__(cls, args)
+
+    def __init__(self, *args):
+        # tuple.__init__ doesn't do anything
+        pass
+
+
+class _PseudoMatch:
+    """
+    A pseudo match object constructed from a string.
+    """
+
+    def __init__(self, start, text):
+        self._text = text
+        self._start = start
+
+    def start(self, arg=None):
+        return self._start
+
+    def end(self, arg=None):
+        return self._start + len(self._text)
+
+    def group(self, arg=None):
+        if arg:
+            raise IndexError('No such group')
+        return self._text
+
+    def groups(self):
+        return (self._text,)
+
+    def groupdict(self):
+        return {}
+
+
+def bygroups(*args):
+    """
+    Callback that yields multiple actions for each group in the match.
+    """
+    def callback(lexer, match, ctx=None):
+        for i, action in enumerate(args):
+            if action is None:
+                continue
+            elif type(action) is _TokenType:
+                data = match.group(i + 1)
+                if data:
+                    yield match.start(i + 1), action, data
+            else:
+                data = match.group(i + 1)
+                if data is not None:
+                    if ctx:
+                        ctx.pos = match.start(i + 1)
+                    for item in action(lexer,
+                                       _PseudoMatch(match.start(i + 1), data), ctx):
+                        if item:
+                            yield item
+        if ctx:
+            ctx.pos = match.end()
+    return callback
+
+
+class _This:
+    """
+    Special singleton used for indicating the caller class.
+    Used by ``using``.
+    """
+
+this = _This()
+
+
+def using(_other, **kwargs):
+    """
+    Callback that processes the match with a different lexer.
+
+    The keyword arguments are forwarded to the lexer, except `state` which
+    is handled separately.
+
+    `state` specifies the state that the new lexer will start in, and can
+    be an enumerable such as ('root', 'inline', 'string') or a simple
+    string which is assumed to be on top of the root state.
+
+    Note: For that to work, `_other` must not be an `ExtendedRegexLexer`.
+    """
+    gt_kwargs = {}
+    if 'state' in kwargs:
+        s = kwargs.pop('state')
+        if isinstance(s, (list, tuple)):
+            gt_kwargs['stack'] = s
+        else:
+            gt_kwargs['stack'] = ('root', s)
+
+    if _other is this:
+        def callback(lexer, match, ctx=None):
+            # if keyword arguments are given the callback
+            # function has to create a new lexer instance
+            if kwargs:
+                # XXX: cache that somehow
+                kwargs.update(lexer.options)
+                lx = lexer.__class__(**kwargs)
+            else:
+                lx = lexer
+            s = match.start()
+            for i, t, v in lx.get_tokens_unprocessed(match.group(), **gt_kwargs):
+                yield i + s, t, v
+            if ctx:
+                ctx.pos = match.end()
+    else:
+        def callback(lexer, match, ctx=None):
+            # XXX: cache that somehow
+            kwargs.update(lexer.options)
+            lx = _other(**kwargs)
+
+            s = match.start()
+            for i, t, v in lx.get_tokens_unprocessed(match.group(), **gt_kwargs):
+                yield i + s, t, v
+            if ctx:
+                ctx.pos = match.end()
+    return callback
+
+
+class default:
+    """
+    Indicates a state or state action (e.g. #pop) to apply.
+    For example default('#pop') is equivalent to ('', Token, '#pop')
+    Note that state tuples may be used as well.
+
+    .. versionadded:: 2.0
+    """
+    def __init__(self, state):
+        self.state = state
+
+
+class words(Future):
+    """
+    Indicates a list of literal words that is transformed into an optimized
+    regex that matches any of the words.
+
+    .. versionadded:: 2.0
+    """
+    def __init__(self, words, prefix='', suffix=''):
+        self.words = words
+        self.prefix = prefix
+        self.suffix = suffix
+
+    def get(self):
+        return regex_opt(self.words, prefix=self.prefix, suffix=self.suffix)
+
+
+class RegexLexerMeta(LexerMeta):
+    """
+    Metaclass for RegexLexer, creates the self._tokens attribute from
+    self.tokens on the first instantiation.
+    """
+
+    def _process_regex(cls, regex, rflags, state):
+        """Preprocess the regular expression component of a token definition."""
+        if isinstance(regex, Future):
+            regex = regex.get()
+        return re.compile(regex, rflags).match
+
+    def _process_token(cls, token):
+        """Preprocess the token component of a token definition."""
+        assert type(token) is _TokenType or callable(token), \
+            'token type must be simple type or callable, not %r' % (token,)
+        return token
+
+    def _process_new_state(cls, new_state, unprocessed, processed):
+        """Preprocess the state transition action of a token definition."""
+        if isinstance(new_state, str):
+            # an existing state
+            if new_state == '#pop':
+                return -1
+            elif new_state in unprocessed:
+                return (new_state,)
+            elif new_state == '#push':
+                return new_state
+            elif new_state[:5] == '#pop:':
+                return -int(new_state[5:])
+            else:
+                assert False, 'unknown new state %r' % new_state
+        elif isinstance(new_state, combined):
+            # combine a new state from existing ones
+            tmp_state = '_tmp_%d' % cls._tmpname
+            cls._tmpname += 1
+            itokens = []
+            for istate in new_state:
+                assert istate != new_state, 'circular state ref %r' % istate
+                itokens.extend(cls._process_state(unprocessed,
+                                                  processed, istate))
+            processed[tmp_state] = itokens
+            return (tmp_state,)
+        elif isinstance(new_state, tuple):
+            # push more than one state
+            for istate in new_state:
+                assert (istate in unprocessed or
+                        istate in ('#pop', '#push')), \
+                    'unknown new state ' + istate
+            return new_state
+        else:
+            assert False, 'unknown new state def %r' % new_state
+
+    def _process_state(cls, unprocessed, processed, state):
+        """Preprocess a single state definition."""
+        assert type(state) is str, "wrong state name %r" % state
+        assert state[0] != '#', "invalid state name %r" % state
+        if state in processed:
+            return processed[state]
+        tokens = processed[state] = []
+        rflags = cls.flags
+        for tdef in unprocessed[state]:
+            if isinstance(tdef, include):
+                # it's a state reference
+                assert tdef != state, "circular state reference %r" % state
+                tokens.extend(cls._process_state(unprocessed, processed,
+                                                 str(tdef)))
+                continue
+            if isinstance(tdef, _inherit):
+                # should be processed already, but may not in the case of:
+                # 1. the state has no counterpart in any parent
+                # 2. the state includes more than one 'inherit'
+                continue
+            if isinstance(tdef, default):
+                new_state = cls._process_new_state(tdef.state, unprocessed, processed)
+                tokens.append((re.compile('').match, None, new_state))
+                continue
+
+            assert type(tdef) is tuple, "wrong rule def %r" % tdef
+
+            try:
+                rex = cls._process_regex(tdef[0], rflags, state)
+            except Exception as err:
+                raise ValueError("uncompilable regex %r in state %r of %r: %s" %
+                                 (tdef[0], state, cls, err)) from err
+
+            token = cls._process_token(tdef[1])
+
+            if len(tdef) == 2:
+                new_state = None
+            else:
+                new_state = cls._process_new_state(tdef[2],
+                                                   unprocessed, processed)
+
+            tokens.append((rex, token, new_state))
+        return tokens
+
+    def process_tokendef(cls, name, tokendefs=None):
+        """Preprocess a dictionary of token definitions."""
+        processed = cls._all_tokens[name] = {}
+        tokendefs = tokendefs or cls.tokens[name]
+        for state in list(tokendefs):
+            cls._process_state(tokendefs, processed, state)
+        return processed
+
+    def get_tokendefs(cls):
+        """
+        Merge tokens from superclasses in MRO order, returning a single tokendef
+        dictionary.
+
+        Any state that is not defined by a subclass will be inherited
+        automatically.  States that *are* defined by subclasses will, by
+        default, override that state in the superclass.  If a subclass wishes to
+        inherit definitions from a superclass, it can use the special value
+        "inherit", which will cause the superclass' state definition to be
+        included at that point in the state.
+        """
+        tokens = {}
+        inheritable = {}
+        for c in cls.__mro__:
+            toks = c.__dict__.get('tokens', {})
+
+            for state, items in toks.items():
+                curitems = tokens.get(state)
+                if curitems is None:
+                    # N.b. because this is assigned by reference, sufficiently
+                    # deep hierarchies are processed incrementally (e.g. for
+                    # A(B), B(C), C(RegexLexer), B will be premodified so X(B)
+                    # will not see any inherits in B).
+                    tokens[state] = items
+                    try:
+                        inherit_ndx = items.index(inherit)
+                    except ValueError:
+                        continue
+                    inheritable[state] = inherit_ndx
+                    continue
+
+                inherit_ndx = inheritable.pop(state, None)
+                if inherit_ndx is None:
+                    continue
+
+                # Replace the "inherit" value with the items
+                curitems[inherit_ndx:inherit_ndx+1] = items
+                try:
+                    # N.b. this is the index in items (that is, the superclass
+                    # copy), so offset required when storing below.
+                    new_inh_ndx = items.index(inherit)
+                except ValueError:
+                    pass
+                else:
+                    inheritable[state] = inherit_ndx + new_inh_ndx
+
+        return tokens
+
+    def __call__(cls, *args, **kwds):
+        """Instantiate cls after preprocessing its token definitions."""
+        if '_tokens' not in cls.__dict__:
+            cls._all_tokens = {}
+            cls._tmpname = 0
+            if hasattr(cls, 'token_variants') and cls.token_variants:
+                # don't process yet
+                pass
+            else:
+                cls._tokens = cls.process_tokendef('', cls.get_tokendefs())
+
+        return type.__call__(cls, *args, **kwds)
+
+
+class RegexLexer(Lexer, metaclass=RegexLexerMeta):
+    """
+    Base for simple stateful regular expression-based lexers.
+    Simplifies the lexing process so that you need only
+    provide a list of states and regular expressions.
+    """
+
+    #: Flags for compiling the regular expressions.
+    #: Defaults to MULTILINE.
+    flags = re.MULTILINE
+
+    #: At all time there is a stack of states. Initially, the stack contains
+    #: a single state 'root'. The top of the stack is called "the current state".
+    #:
+    #: Dict of ``{'state': [(regex, tokentype, new_state), ...], ...}``
+    #:
+    #: ``new_state`` can be omitted to signify no state transition.
+    #: If ``new_state`` is a string, it is pushed on the stack. This ensure
+    #: the new current state is ``new_state``.
+    #: If ``new_state`` is a tuple of strings, all of those strings are pushed
+    #: on the stack and the current state will be the last element of the list.
+    #: ``new_state`` can also be ``combined('state1', 'state2', ...)``
+    #: to signify a new, anonymous state combined from the rules of two
+    #: or more existing ones.
+    #: Furthermore, it can be '#pop' to signify going back one step in
+    #: the state stack, or '#push' to push the current state on the stack
+    #: again. Note that if you push while in a combined state, the combined
+    #: state itself is pushed, and not only the state in which the rule is
+    #: defined.
+    #:
+    #: The tuple can also be replaced with ``include('state')``, in which
+    #: case the rules from the state named by the string are included in the
+    #: current one.
+    tokens = {}
+
+    def get_tokens_unprocessed(self, text, stack=('root',)):
+        """
+        Split ``text`` into (tokentype, text) pairs.
+
+        ``stack`` is the initial stack (default: ``['root']``)
+        """
+        pos = 0
+        tokendefs = self._tokens
+        statestack = list(stack)
+        statetokens = tokendefs[statestack[-1]]
+        while 1:
+            for rexmatch, action, new_state in statetokens:
+                m = rexmatch(text, pos)
+                if m:
+                    if action is not None:
+                        if type(action) is _TokenType:
+                            yield pos, action, m.group()
+                        else:
+                            yield from action(self, m)
+                    pos = m.end()
+                    if new_state is not None:
+                        # state transition
+                        if isinstance(new_state, tuple):
+                            for state in new_state:
+                                if state == '#pop':
+                                    if len(statestack) > 1:
+                                        statestack.pop()
+                                elif state == '#push':
+                                    statestack.append(statestack[-1])
+                                else:
+                                    statestack.append(state)
+                        elif isinstance(new_state, int):
+                            # pop, but keep at least one state on the stack
+                            # (random code leading to unexpected pops should
+                            # not allow exceptions)
+                            if abs(new_state) >= len(statestack):
+                                del statestack[1:]
+                            else:
+                                del statestack[new_state:]
+                        elif new_state == '#push':
+                            statestack.append(statestack[-1])
+                        else:
+                            assert False, "wrong state def: %r" % new_state
+                        statetokens = tokendefs[statestack[-1]]
+                    break
+            else:
+                # We are here only if all state tokens have been considered
+                # and there was not a match on any of them.
+                try:
+                    if text[pos] == '\n':
+                        # at EOL, reset state to "root"
+                        statestack = ['root']
+                        statetokens = tokendefs['root']
+                        yield pos, Whitespace, '\n'
+                        pos += 1
+                        continue
+                    yield pos, Error, text[pos]
+                    pos += 1
+                except IndexError:
+                    break
+
+
+class LexerContext:
+    """
+    A helper object that holds lexer position data.
+    """
+
+    def __init__(self, text, pos, stack=None, end=None):
+        self.text = text
+        self.pos = pos
+        self.end = end or len(text)  # end=0 not supported ;-)
+        self.stack = stack or ['root']
+
+    def __repr__(self):
+        return 'LexerContext(%r, %r, %r)' % (
+            self.text, self.pos, self.stack)
+
+
+class ExtendedRegexLexer(RegexLexer):
+    """
+    A RegexLexer that uses a context object to store its state.
+    """
+
+    def get_tokens_unprocessed(self, text=None, context=None):
+        """
+        Split ``text`` into (tokentype, text) pairs.
+        If ``context`` is given, use this lexer context instead.
+        """
+        tokendefs = self._tokens
+        if not context:
+            ctx = LexerContext(text, 0)
+            statetokens = tokendefs['root']
+        else:
+            ctx = context
+            statetokens = tokendefs[ctx.stack[-1]]
+            text = ctx.text
+        while 1:
+            for rexmatch, action, new_state in statetokens:
+                m = rexmatch(text, ctx.pos, ctx.end)
+                if m:
+                    if action is not None:
+                        if type(action) is _TokenType:
+                            yield ctx.pos, action, m.group()
+                            ctx.pos = m.end()
+                        else:
+                            yield from action(self, m, ctx)
+                            if not new_state:
+                                # altered the state stack?
+                                statetokens = tokendefs[ctx.stack[-1]]
+                    # CAUTION: callback must set ctx.pos!
+                    if new_state is not None:
+                        # state transition
+                        if isinstance(new_state, tuple):
+                            for state in new_state:
+                                if state == '#pop':
+                                    if len(ctx.stack) > 1:
+                                        ctx.stack.pop()
+                                elif state == '#push':
+                                    ctx.stack.append(ctx.stack[-1])
+                                else:
+                                    ctx.stack.append(state)
+                        elif isinstance(new_state, int):
+                            # see RegexLexer for why this check is made
+                            if abs(new_state) >= len(ctx.stack):
+                                del ctx.stack[1:]
+                            else:
+                                del ctx.stack[new_state:]
+                        elif new_state == '#push':
+                            ctx.stack.append(ctx.stack[-1])
+                        else:
+                            assert False, "wrong state def: %r" % new_state
+                        statetokens = tokendefs[ctx.stack[-1]]
+                    break
+            else:
+                try:
+                    if ctx.pos >= ctx.end:
+                        break
+                    if text[ctx.pos] == '\n':
+                        # at EOL, reset state to "root"
+                        ctx.stack = ['root']
+                        statetokens = tokendefs['root']
+                        yield ctx.pos, Text, '\n'
+                        ctx.pos += 1
+                        continue
+                    yield ctx.pos, Error, text[ctx.pos]
+                    ctx.pos += 1
+                except IndexError:
+                    break
+
+
+def do_insertions(insertions, tokens):
+    """
+    Helper for lexers which must combine the results of several
+    sublexers.
+
+    ``insertions`` is a list of ``(index, itokens)`` pairs.
+    Each ``itokens`` iterable should be inserted at position
+    ``index`` into the token stream given by the ``tokens``
+    argument.
+
+    The result is a combined token stream.
+
+    TODO: clean up the code here.
+    """
+    insertions = iter(insertions)
+    try:
+        index, itokens = next(insertions)
+    except StopIteration:
+        # no insertions
+        yield from tokens
+        return
+
+    realpos = None
+    insleft = True
+
+    # iterate over the token stream where we want to insert
+    # the tokens from the insertion list.
+    for i, t, v in tokens:
+        # first iteration. store the position of first item
+        if realpos is None:
+            realpos = i
+        oldi = 0
+        while insleft and i + len(v) >= index:
+            tmpval = v[oldi:index - i]
+            if tmpval:
+                yield realpos, t, tmpval
+                realpos += len(tmpval)
+            for it_index, it_token, it_value in itokens:
+                yield realpos, it_token, it_value
+                realpos += len(it_value)
+            oldi = index - i
+            try:
+                index, itokens = next(insertions)
+            except StopIteration:
+                insleft = False
+                break  # not strictly necessary
+        if oldi < len(v):
+            yield realpos, t, v[oldi:]
+            realpos += len(v) - oldi
+
+    # leftover tokens
+    while insleft:
+        # no normal tokens, set realpos to zero
+        realpos = realpos or 0
+        for p, t, v in itokens:
+            yield realpos, t, v
+            realpos += len(v)
+        try:
+            index, itokens = next(insertions)
+        except StopIteration:
+            insleft = False
+            break  # not strictly necessary
+
+
+class ProfilingRegexLexerMeta(RegexLexerMeta):
+    """Metaclass for ProfilingRegexLexer, collects regex timing info."""
+
+    def _process_regex(cls, regex, rflags, state):
+        if isinstance(regex, words):
+            rex = regex_opt(regex.words, prefix=regex.prefix,
+                            suffix=regex.suffix)
+        else:
+            rex = regex
+        compiled = re.compile(rex, rflags)
+
+        def match_func(text, pos, endpos=sys.maxsize):
+            info = cls._prof_data[-1].setdefault((state, rex), [0, 0.0])
+            t0 = time.time()
+            res = compiled.match(text, pos, endpos)
+            t1 = time.time()
+            info[0] += 1
+            info[1] += t1 - t0
+            return res
+        return match_func
+
+
+class ProfilingRegexLexer(RegexLexer, metaclass=ProfilingRegexLexerMeta):
+    """Drop-in replacement for RegexLexer that does profiling of its regexes."""
+
+    _prof_data = []
+    _prof_sort_index = 4  # defaults to time per call
+
+    def get_tokens_unprocessed(self, text, stack=('root',)):
+        # this needs to be a stack, since using(this) will produce nested calls
+        self.__class__._prof_data.append({})
+        yield from RegexLexer.get_tokens_unprocessed(self, text, stack)
+        rawdata = self.__class__._prof_data.pop()
+        data = sorted(((s, repr(r).strip('u\'').replace('\\\\', '\\')[:65],
+                        n, 1000 * t, 1000 * t / n)
+                       for ((s, r), (n, t)) in rawdata.items()),
+                      key=lambda x: x[self._prof_sort_index],
+                      reverse=True)
+        sum_total = sum(x[3] for x in data)
+
+        print()
+        print('Profiling result for %s lexing %d chars in %.3f ms' %
+              (self.__class__.__name__, len(text), sum_total))
+        print('=' * 110)
+        print('%-20s %-64s ncalls  tottime  percall' % ('state', 'regex'))
+        print('-' * 110)
+        for d in data:
+            print('%-20s %-65s %5d %8.4f %8.4f' % d)
+        print('=' * 110)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexers/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexers/__init__.py
new file mode 100644
index 00000000..d97c3e39
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexers/__init__.py
@@ -0,0 +1,362 @@
+"""
+    pygments.lexers
+    ~~~~~~~~~~~~~~~
+
+    Pygments lexers.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+import sys
+import types
+import fnmatch
+from os.path import basename
+
+from pip._vendor.pygments.lexers._mapping import LEXERS
+from pip._vendor.pygments.modeline import get_filetype_from_buffer
+from pip._vendor.pygments.plugin import find_plugin_lexers
+from pip._vendor.pygments.util import ClassNotFound, guess_decode
+
+COMPAT = {
+    'Python3Lexer': 'PythonLexer',
+    'Python3TracebackLexer': 'PythonTracebackLexer',
+}
+
+__all__ = ['get_lexer_by_name', 'get_lexer_for_filename', 'find_lexer_class',
+           'guess_lexer', 'load_lexer_from_file'] + list(LEXERS) + list(COMPAT)
+
+_lexer_cache = {}
+_pattern_cache = {}
+
+
+def _fn_matches(fn, glob):
+    """Return whether the supplied file name fn matches pattern filename."""
+    if glob not in _pattern_cache:
+        pattern = _pattern_cache[glob] = re.compile(fnmatch.translate(glob))
+        return pattern.match(fn)
+    return _pattern_cache[glob].match(fn)
+
+
+def _load_lexers(module_name):
+    """Load a lexer (and all others in the module too)."""
+    mod = __import__(module_name, None, None, ['__all__'])
+    for lexer_name in mod.__all__:
+        cls = getattr(mod, lexer_name)
+        _lexer_cache[cls.name] = cls
+
+
+def get_all_lexers(plugins=True):
+    """Return a generator of tuples in the form ``(name, aliases,
+    filenames, mimetypes)`` of all know lexers.
+
+    If *plugins* is true (the default), plugin lexers supplied by entrypoints
+    are also returned.  Otherwise, only builtin ones are considered.
+    """
+    for item in LEXERS.values():
+        yield item[1:]
+    if plugins:
+        for lexer in find_plugin_lexers():
+            yield lexer.name, lexer.aliases, lexer.filenames, lexer.mimetypes
+
+
+def find_lexer_class(name):
+    """
+    Return the `Lexer` subclass that with the *name* attribute as given by
+    the *name* argument.
+    """
+    if name in _lexer_cache:
+        return _lexer_cache[name]
+    # lookup builtin lexers
+    for module_name, lname, aliases, _, _ in LEXERS.values():
+        if name == lname:
+            _load_lexers(module_name)
+            return _lexer_cache[name]
+    # continue with lexers from setuptools entrypoints
+    for cls in find_plugin_lexers():
+        if cls.name == name:
+            return cls
+
+
+def find_lexer_class_by_name(_alias):
+    """
+    Return the `Lexer` subclass that has `alias` in its aliases list, without
+    instantiating it.
+
+    Like `get_lexer_by_name`, but does not instantiate the class.
+
+    Will raise :exc:`pygments.util.ClassNotFound` if no lexer with that alias is
+    found.
+
+    .. versionadded:: 2.2
+    """
+    if not _alias:
+        raise ClassNotFound('no lexer for alias %r found' % _alias)
+    # lookup builtin lexers
+    for module_name, name, aliases, _, _ in LEXERS.values():
+        if _alias.lower() in aliases:
+            if name not in _lexer_cache:
+                _load_lexers(module_name)
+            return _lexer_cache[name]
+    # continue with lexers from setuptools entrypoints
+    for cls in find_plugin_lexers():
+        if _alias.lower() in cls.aliases:
+            return cls
+    raise ClassNotFound('no lexer for alias %r found' % _alias)
+
+
+def get_lexer_by_name(_alias, **options):
+    """
+    Return an instance of a `Lexer` subclass that has `alias` in its
+    aliases list. The lexer is given the `options` at its
+    instantiation.
+
+    Will raise :exc:`pygments.util.ClassNotFound` if no lexer with that alias is
+    found.
+    """
+    if not _alias:
+        raise ClassNotFound('no lexer for alias %r found' % _alias)
+
+    # lookup builtin lexers
+    for module_name, name, aliases, _, _ in LEXERS.values():
+        if _alias.lower() in aliases:
+            if name not in _lexer_cache:
+                _load_lexers(module_name)
+            return _lexer_cache[name](**options)
+    # continue with lexers from setuptools entrypoints
+    for cls in find_plugin_lexers():
+        if _alias.lower() in cls.aliases:
+            return cls(**options)
+    raise ClassNotFound('no lexer for alias %r found' % _alias)
+
+
+def load_lexer_from_file(filename, lexername="CustomLexer", **options):
+    """Load a lexer from a file.
+
+    This method expects a file located relative to the current working
+    directory, which contains a Lexer class. By default, it expects the
+    Lexer to be name CustomLexer; you can specify your own class name
+    as the second argument to this function.
+
+    Users should be very careful with the input, because this method
+    is equivalent to running eval on the input file.
+
+    Raises ClassNotFound if there are any problems importing the Lexer.
+
+    .. versionadded:: 2.2
+    """
+    try:
+        # This empty dict will contain the namespace for the exec'd file
+        custom_namespace = {}
+        with open(filename, 'rb') as f:
+            exec(f.read(), custom_namespace)
+        # Retrieve the class `lexername` from that namespace
+        if lexername not in custom_namespace:
+            raise ClassNotFound('no valid %s class found in %s' %
+                                (lexername, filename))
+        lexer_class = custom_namespace[lexername]
+        # And finally instantiate it with the options
+        return lexer_class(**options)
+    except OSError as err:
+        raise ClassNotFound('cannot read %s: %s' % (filename, err))
+    except ClassNotFound:
+        raise
+    except Exception as err:
+        raise ClassNotFound('error when loading custom lexer: %s' % err)
+
+
+def find_lexer_class_for_filename(_fn, code=None):
+    """Get a lexer for a filename.
+
+    If multiple lexers match the filename pattern, use ``analyse_text()`` to
+    figure out which one is more appropriate.
+
+    Returns None if not found.
+    """
+    matches = []
+    fn = basename(_fn)
+    for modname, name, _, filenames, _ in LEXERS.values():
+        for filename in filenames:
+            if _fn_matches(fn, filename):
+                if name not in _lexer_cache:
+                    _load_lexers(modname)
+                matches.append((_lexer_cache[name], filename))
+    for cls in find_plugin_lexers():
+        for filename in cls.filenames:
+            if _fn_matches(fn, filename):
+                matches.append((cls, filename))
+
+    if isinstance(code, bytes):
+        # decode it, since all analyse_text functions expect unicode
+        code = guess_decode(code)
+
+    def get_rating(info):
+        cls, filename = info
+        # explicit patterns get a bonus
+        bonus = '*' not in filename and 0.5 or 0
+        # The class _always_ defines analyse_text because it's included in
+        # the Lexer class.  The default implementation returns None which
+        # gets turned into 0.0.  Run scripts/detect_missing_analyse_text.py
+        # to find lexers which need it overridden.
+        if code:
+            return cls.analyse_text(code) + bonus, cls.__name__
+        return cls.priority + bonus, cls.__name__
+
+    if matches:
+        matches.sort(key=get_rating)
+        # print "Possible lexers, after sort:", matches
+        return matches[-1][0]
+
+
+def get_lexer_for_filename(_fn, code=None, **options):
+    """Get a lexer for a filename.
+
+    Return a `Lexer` subclass instance that has a filename pattern
+    matching `fn`. The lexer is given the `options` at its
+    instantiation.
+
+    Raise :exc:`pygments.util.ClassNotFound` if no lexer for that filename
+    is found.
+
+    If multiple lexers match the filename pattern, use their ``analyse_text()``
+    methods to figure out which one is more appropriate.
+    """
+    res = find_lexer_class_for_filename(_fn, code)
+    if not res:
+        raise ClassNotFound('no lexer for filename %r found' % _fn)
+    return res(**options)
+
+
+def get_lexer_for_mimetype(_mime, **options):
+    """
+    Return a `Lexer` subclass instance that has `mime` in its mimetype
+    list. The lexer is given the `options` at its instantiation.
+
+    Will raise :exc:`pygments.util.ClassNotFound` if not lexer for that mimetype
+    is found.
+    """
+    for modname, name, _, _, mimetypes in LEXERS.values():
+        if _mime in mimetypes:
+            if name not in _lexer_cache:
+                _load_lexers(modname)
+            return _lexer_cache[name](**options)
+    for cls in find_plugin_lexers():
+        if _mime in cls.mimetypes:
+            return cls(**options)
+    raise ClassNotFound('no lexer for mimetype %r found' % _mime)
+
+
+def _iter_lexerclasses(plugins=True):
+    """Return an iterator over all lexer classes."""
+    for key in sorted(LEXERS):
+        module_name, name = LEXERS[key][:2]
+        if name not in _lexer_cache:
+            _load_lexers(module_name)
+        yield _lexer_cache[name]
+    if plugins:
+        yield from find_plugin_lexers()
+
+
+def guess_lexer_for_filename(_fn, _text, **options):
+    """
+    As :func:`guess_lexer()`, but only lexers which have a pattern in `filenames`
+    or `alias_filenames` that matches `filename` are taken into consideration.
+
+    :exc:`pygments.util.ClassNotFound` is raised if no lexer thinks it can
+    handle the content.
+    """
+    fn = basename(_fn)
+    primary = {}
+    matching_lexers = set()
+    for lexer in _iter_lexerclasses():
+        for filename in lexer.filenames:
+            if _fn_matches(fn, filename):
+                matching_lexers.add(lexer)
+                primary[lexer] = True
+        for filename in lexer.alias_filenames:
+            if _fn_matches(fn, filename):
+                matching_lexers.add(lexer)
+                primary[lexer] = False
+    if not matching_lexers:
+        raise ClassNotFound('no lexer for filename %r found' % fn)
+    if len(matching_lexers) == 1:
+        return matching_lexers.pop()(**options)
+    result = []
+    for lexer in matching_lexers:
+        rv = lexer.analyse_text(_text)
+        if rv == 1.0:
+            return lexer(**options)
+        result.append((rv, lexer))
+
+    def type_sort(t):
+        # sort by:
+        # - analyse score
+        # - is primary filename pattern?
+        # - priority
+        # - last resort: class name
+        return (t[0], primary[t[1]], t[1].priority, t[1].__name__)
+    result.sort(key=type_sort)
+
+    return result[-1][1](**options)
+
+
+def guess_lexer(_text, **options):
+    """
+    Return a `Lexer` subclass instance that's guessed from the text in
+    `text`. For that, the :meth:`.analyse_text()` method of every known lexer
+    class is called with the text as argument, and the lexer which returned the
+    highest value will be instantiated and returned.
+
+    :exc:`pygments.util.ClassNotFound` is raised if no lexer thinks it can
+    handle the content.
+    """
+
+    if not isinstance(_text, str):
+        inencoding = options.get('inencoding', options.get('encoding'))
+        if inencoding:
+            _text = _text.decode(inencoding or 'utf8')
+        else:
+            _text, _ = guess_decode(_text)
+
+    # try to get a vim modeline first
+    ft = get_filetype_from_buffer(_text)
+
+    if ft is not None:
+        try:
+            return get_lexer_by_name(ft, **options)
+        except ClassNotFound:
+            pass
+
+    best_lexer = [0.0, None]
+    for lexer in _iter_lexerclasses():
+        rv = lexer.analyse_text(_text)
+        if rv == 1.0:
+            return lexer(**options)
+        if rv > best_lexer[0]:
+            best_lexer[:] = (rv, lexer)
+    if not best_lexer[0] or best_lexer[1] is None:
+        raise ClassNotFound('no lexer matching the text found')
+    return best_lexer[1](**options)
+
+
+class _automodule(types.ModuleType):
+    """Automatically import lexers."""
+
+    def __getattr__(self, name):
+        info = LEXERS.get(name)
+        if info:
+            _load_lexers(info[0])
+            cls = _lexer_cache[info[1]]
+            setattr(self, name, cls)
+            return cls
+        if name in COMPAT:
+            return getattr(self, COMPAT[name])
+        raise AttributeError(name)
+
+
+oldmod = sys.modules[__name__]
+newmod = _automodule(__name__)
+newmod.__dict__.update(oldmod.__dict__)
+sys.modules[__name__] = newmod
+del newmod.newmod, newmod.oldmod, newmod.sys, newmod.types
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+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexers/_mapping.py
@@ -0,0 +1,559 @@
+# Automatically generated by scripts/gen_mapfiles.py.
+# DO NOT EDIT BY HAND; run `tox -e mapfiles` instead.
+
+LEXERS = {
+    'ABAPLexer': ('pip._vendor.pygments.lexers.business', 'ABAP', ('abap',), ('*.abap', '*.ABAP'), ('text/x-abap',)),
+    'AMDGPULexer': ('pip._vendor.pygments.lexers.amdgpu', 'AMDGPU', ('amdgpu',), ('*.isa',), ()),
+    'APLLexer': ('pip._vendor.pygments.lexers.apl', 'APL', ('apl',), ('*.apl', '*.aplf', '*.aplo', '*.apln', '*.aplc', '*.apli', '*.dyalog'), ()),
+    'AbnfLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'ABNF', ('abnf',), ('*.abnf',), ('text/x-abnf',)),
+    'ActionScript3Lexer': ('pip._vendor.pygments.lexers.actionscript', 'ActionScript 3', ('actionscript3', 'as3'), ('*.as',), ('application/x-actionscript3', 'text/x-actionscript3', 'text/actionscript3')),
+    'ActionScriptLexer': ('pip._vendor.pygments.lexers.actionscript', 'ActionScript', ('actionscript', 'as'), ('*.as',), ('application/x-actionscript', 'text/x-actionscript', 'text/actionscript')),
+    'AdaLexer': ('pip._vendor.pygments.lexers.ada', 'Ada', ('ada', 'ada95', 'ada2005'), ('*.adb', '*.ads', '*.ada'), ('text/x-ada',)),
+    'AdlLexer': ('pip._vendor.pygments.lexers.archetype', 'ADL', ('adl',), ('*.adl', '*.adls', '*.adlf', '*.adlx'), ()),
+    'AgdaLexer': ('pip._vendor.pygments.lexers.haskell', 'Agda', ('agda',), ('*.agda',), ('text/x-agda',)),
+    'AheuiLexer': ('pip._vendor.pygments.lexers.esoteric', 'Aheui', ('aheui',), ('*.aheui',), ()),
+    'AlloyLexer': ('pip._vendor.pygments.lexers.dsls', 'Alloy', ('alloy',), ('*.als',), ('text/x-alloy',)),
+    'AmbientTalkLexer': ('pip._vendor.pygments.lexers.ambient', 'AmbientTalk', ('ambienttalk', 'ambienttalk/2', 'at'), ('*.at',), ('text/x-ambienttalk',)),
+    'AmplLexer': ('pip._vendor.pygments.lexers.ampl', 'Ampl', ('ampl',), ('*.run',), ()),
+    'Angular2HtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML + Angular2', ('html+ng2',), ('*.ng2',), ()),
+    'Angular2Lexer': ('pip._vendor.pygments.lexers.templates', 'Angular2', ('ng2',), (), ()),
+    'AntlrActionScriptLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With ActionScript Target', ('antlr-actionscript', 'antlr-as'), ('*.G', '*.g'), ()),
+    'AntlrCSharpLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With C# Target', ('antlr-csharp', 'antlr-c#'), ('*.G', '*.g'), ()),
+    'AntlrCppLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With CPP Target', ('antlr-cpp',), ('*.G', '*.g'), ()),
+    'AntlrJavaLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Java Target', ('antlr-java',), ('*.G', '*.g'), ()),
+    'AntlrLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR', ('antlr',), (), ()),
+    'AntlrObjectiveCLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With ObjectiveC Target', ('antlr-objc',), ('*.G', '*.g'), ()),
+    'AntlrPerlLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Perl Target', ('antlr-perl',), ('*.G', '*.g'), ()),
+    'AntlrPythonLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Python Target', ('antlr-python',), ('*.G', '*.g'), ()),
+    'AntlrRubyLexer': ('pip._vendor.pygments.lexers.parsers', 'ANTLR With Ruby Target', ('antlr-ruby', 'antlr-rb'), ('*.G', '*.g'), ()),
+    'ApacheConfLexer': ('pip._vendor.pygments.lexers.configs', 'ApacheConf', ('apacheconf', 'aconf', 'apache'), ('.htaccess', 'apache.conf', 'apache2.conf'), ('text/x-apacheconf',)),
+    'AppleScriptLexer': ('pip._vendor.pygments.lexers.scripting', 'AppleScript', ('applescript',), ('*.applescript',), ()),
+    'ArduinoLexer': ('pip._vendor.pygments.lexers.c_like', 'Arduino', ('arduino',), ('*.ino',), ('text/x-arduino',)),
+    'ArrowLexer': ('pip._vendor.pygments.lexers.arrow', 'Arrow', ('arrow',), ('*.arw',), ()),
+    'ArturoLexer': ('pip._vendor.pygments.lexers.arturo', 'Arturo', ('arturo', 'art'), ('*.art',), ()),
+    'AscLexer': ('pip._vendor.pygments.lexers.asc', 'ASCII armored', ('asc', 'pem'), ('*.asc', '*.pem', 'id_dsa', 'id_ecdsa', 'id_ecdsa_sk', 'id_ed25519', 'id_ed25519_sk', 'id_rsa'), ('application/pgp-keys', 'application/pgp-encrypted', 'application/pgp-signature')),
+    'AspectJLexer': ('pip._vendor.pygments.lexers.jvm', 'AspectJ', ('aspectj',), ('*.aj',), ('text/x-aspectj',)),
+    'AsymptoteLexer': ('pip._vendor.pygments.lexers.graphics', 'Asymptote', ('asymptote', 'asy'), ('*.asy',), ('text/x-asymptote',)),
+    'AugeasLexer': ('pip._vendor.pygments.lexers.configs', 'Augeas', ('augeas',), ('*.aug',), ()),
+    'AutoItLexer': ('pip._vendor.pygments.lexers.automation', 'AutoIt', ('autoit',), ('*.au3',), ('text/x-autoit',)),
+    'AutohotkeyLexer': ('pip._vendor.pygments.lexers.automation', 'autohotkey', ('autohotkey', 'ahk'), ('*.ahk', '*.ahkl'), ('text/x-autohotkey',)),
+    'AwkLexer': ('pip._vendor.pygments.lexers.textedit', 'Awk', ('awk', 'gawk', 'mawk', 'nawk'), ('*.awk',), ('application/x-awk',)),
+    'BBCBasicLexer': ('pip._vendor.pygments.lexers.basic', 'BBC Basic', ('bbcbasic',), ('*.bbc',), ()),
+    'BBCodeLexer': ('pip._vendor.pygments.lexers.markup', 'BBCode', ('bbcode',), (), ('text/x-bbcode',)),
+    'BCLexer': ('pip._vendor.pygments.lexers.algebra', 'BC', ('bc',), ('*.bc',), ()),
+    'BSTLexer': ('pip._vendor.pygments.lexers.bibtex', 'BST', ('bst', 'bst-pybtex'), ('*.bst',), ()),
+    'BareLexer': ('pip._vendor.pygments.lexers.bare', 'BARE', ('bare',), ('*.bare',), ()),
+    'BaseMakefileLexer': ('pip._vendor.pygments.lexers.make', 'Base Makefile', ('basemake',), (), ()),
+    'BashLexer': ('pip._vendor.pygments.lexers.shell', 'Bash', ('bash', 'sh', 'ksh', 'zsh', 'shell'), ('*.sh', '*.ksh', '*.bash', '*.ebuild', '*.eclass', '*.exheres-0', '*.exlib', '*.zsh', '.bashrc', 'bashrc', '.bash_*', 'bash_*', 'zshrc', '.zshrc', '.kshrc', 'kshrc', 'PKGBUILD'), ('application/x-sh', 'application/x-shellscript', 'text/x-shellscript')),
+    'BashSessionLexer': ('pip._vendor.pygments.lexers.shell', 'Bash Session', ('console', 'shell-session'), ('*.sh-session', '*.shell-session'), ('application/x-shell-session', 'application/x-sh-session')),
+    'BatchLexer': ('pip._vendor.pygments.lexers.shell', 'Batchfile', ('batch', 'bat', 'dosbatch', 'winbatch'), ('*.bat', '*.cmd'), ('application/x-dos-batch',)),
+    'BddLexer': ('pip._vendor.pygments.lexers.bdd', 'Bdd', ('bdd',), ('*.feature',), ('text/x-bdd',)),
+    'BefungeLexer': ('pip._vendor.pygments.lexers.esoteric', 'Befunge', ('befunge',), ('*.befunge',), ('application/x-befunge',)),
+    'BerryLexer': ('pip._vendor.pygments.lexers.berry', 'Berry', ('berry', 'be'), ('*.be',), ('text/x-berry', 'application/x-berry')),
+    'BibTeXLexer': ('pip._vendor.pygments.lexers.bibtex', 'BibTeX', ('bibtex', 'bib'), ('*.bib',), ('text/x-bibtex',)),
+    'BlitzBasicLexer': ('pip._vendor.pygments.lexers.basic', 'BlitzBasic', ('blitzbasic', 'b3d', 'bplus'), ('*.bb', '*.decls'), ('text/x-bb',)),
+    'BlitzMaxLexer': ('pip._vendor.pygments.lexers.basic', 'BlitzMax', ('blitzmax', 'bmax'), ('*.bmx',), ('text/x-bmx',)),
+    'BnfLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'BNF', ('bnf',), ('*.bnf',), ('text/x-bnf',)),
+    'BoaLexer': ('pip._vendor.pygments.lexers.boa', 'Boa', ('boa',), ('*.boa',), ()),
+    'BooLexer': ('pip._vendor.pygments.lexers.dotnet', 'Boo', ('boo',), ('*.boo',), ('text/x-boo',)),
+    'BoogieLexer': ('pip._vendor.pygments.lexers.verification', 'Boogie', ('boogie',), ('*.bpl',), ()),
+    'BrainfuckLexer': ('pip._vendor.pygments.lexers.esoteric', 'Brainfuck', ('brainfuck', 'bf'), ('*.bf', '*.b'), ('application/x-brainfuck',)),
+    'BugsLexer': ('pip._vendor.pygments.lexers.modeling', 'BUGS', ('bugs', 'winbugs', 'openbugs'), ('*.bug',), ()),
+    'CAmkESLexer': ('pip._vendor.pygments.lexers.esoteric', 'CAmkES', ('camkes', 'idl4'), ('*.camkes', '*.idl4'), ()),
+    'CLexer': ('pip._vendor.pygments.lexers.c_cpp', 'C', ('c',), ('*.c', '*.h', '*.idc', '*.x[bp]m'), ('text/x-chdr', 'text/x-csrc', 'image/x-xbitmap', 'image/x-xpixmap')),
+    'CMakeLexer': ('pip._vendor.pygments.lexers.make', 'CMake', ('cmake',), ('*.cmake', 'CMakeLists.txt'), ('text/x-cmake',)),
+    'CObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'c-objdump', ('c-objdump',), ('*.c-objdump',), ('text/x-c-objdump',)),
+    'CPSALexer': ('pip._vendor.pygments.lexers.lisp', 'CPSA', ('cpsa',), ('*.cpsa',), ()),
+    'CSSUL4Lexer': ('pip._vendor.pygments.lexers.ul4', 'CSS+UL4', ('css+ul4',), ('*.cssul4',), ()),
+    'CSharpAspxLexer': ('pip._vendor.pygments.lexers.dotnet', 'aspx-cs', ('aspx-cs',), ('*.aspx', '*.asax', '*.ascx', '*.ashx', '*.asmx', '*.axd'), ()),
+    'CSharpLexer': ('pip._vendor.pygments.lexers.dotnet', 'C#', ('csharp', 'c#', 'cs'), ('*.cs',), ('text/x-csharp',)),
+    'Ca65Lexer': ('pip._vendor.pygments.lexers.asm', 'ca65 assembler', ('ca65',), ('*.s',), ()),
+    'CadlLexer': ('pip._vendor.pygments.lexers.archetype', 'cADL', ('cadl',), ('*.cadl',), ()),
+    'CapDLLexer': ('pip._vendor.pygments.lexers.esoteric', 'CapDL', ('capdl',), ('*.cdl',), ()),
+    'CapnProtoLexer': ('pip._vendor.pygments.lexers.capnproto', "Cap'n Proto", ('capnp',), ('*.capnp',), ()),
+    'CarbonLexer': ('pip._vendor.pygments.lexers.carbon', 'Carbon', ('carbon',), ('*.carbon',), ('text/x-carbon',)),
+    'CbmBasicV2Lexer': ('pip._vendor.pygments.lexers.basic', 'CBM BASIC V2', ('cbmbas',), ('*.bas',), ()),
+    'CddlLexer': ('pip._vendor.pygments.lexers.cddl', 'CDDL', ('cddl',), ('*.cddl',), ('text/x-cddl',)),
+    'CeylonLexer': ('pip._vendor.pygments.lexers.jvm', 'Ceylon', ('ceylon',), ('*.ceylon',), ('text/x-ceylon',)),
+    'Cfengine3Lexer': ('pip._vendor.pygments.lexers.configs', 'CFEngine3', ('cfengine3', 'cf3'), ('*.cf',), ()),
+    'ChaiscriptLexer': ('pip._vendor.pygments.lexers.scripting', 'ChaiScript', ('chaiscript', 'chai'), ('*.chai',), ('text/x-chaiscript', 'application/x-chaiscript')),
+    'ChapelLexer': ('pip._vendor.pygments.lexers.chapel', 'Chapel', ('chapel', 'chpl'), ('*.chpl',), ()),
+    'CharmciLexer': ('pip._vendor.pygments.lexers.c_like', 'Charmci', ('charmci',), ('*.ci',), ()),
+    'CheetahHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Cheetah', ('html+cheetah', 'html+spitfire', 'htmlcheetah'), (), ('text/html+cheetah', 'text/html+spitfire')),
+    'CheetahJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Cheetah', ('javascript+cheetah', 'js+cheetah', 'javascript+spitfire', 'js+spitfire'), (), ('application/x-javascript+cheetah', 'text/x-javascript+cheetah', 'text/javascript+cheetah', 'application/x-javascript+spitfire', 'text/x-javascript+spitfire', 'text/javascript+spitfire')),
+    'CheetahLexer': ('pip._vendor.pygments.lexers.templates', 'Cheetah', ('cheetah', 'spitfire'), ('*.tmpl', '*.spt'), ('application/x-cheetah', 'application/x-spitfire')),
+    'CheetahXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Cheetah', ('xml+cheetah', 'xml+spitfire'), (), ('application/xml+cheetah', 'application/xml+spitfire')),
+    'CirruLexer': ('pip._vendor.pygments.lexers.webmisc', 'Cirru', ('cirru',), ('*.cirru',), ('text/x-cirru',)),
+    'ClayLexer': ('pip._vendor.pygments.lexers.c_like', 'Clay', ('clay',), ('*.clay',), ('text/x-clay',)),
+    'CleanLexer': ('pip._vendor.pygments.lexers.clean', 'Clean', ('clean',), ('*.icl', '*.dcl'), ()),
+    'ClojureLexer': ('pip._vendor.pygments.lexers.jvm', 'Clojure', ('clojure', 'clj'), ('*.clj', '*.cljc'), ('text/x-clojure', 'application/x-clojure')),
+    'ClojureScriptLexer': ('pip._vendor.pygments.lexers.jvm', 'ClojureScript', ('clojurescript', 'cljs'), ('*.cljs',), ('text/x-clojurescript', 'application/x-clojurescript')),
+    'CobolFreeformatLexer': ('pip._vendor.pygments.lexers.business', 'COBOLFree', ('cobolfree',), ('*.cbl', '*.CBL'), ()),
+    'CobolLexer': ('pip._vendor.pygments.lexers.business', 'COBOL', ('cobol',), ('*.cob', '*.COB', '*.cpy', '*.CPY'), ('text/x-cobol',)),
+    'CoffeeScriptLexer': ('pip._vendor.pygments.lexers.javascript', 'CoffeeScript', ('coffeescript', 'coffee-script', 'coffee'), ('*.coffee',), ('text/coffeescript',)),
+    'ColdfusionCFCLexer': ('pip._vendor.pygments.lexers.templates', 'Coldfusion CFC', ('cfc',), ('*.cfc',), ()),
+    'ColdfusionHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'Coldfusion HTML', ('cfm',), ('*.cfm', '*.cfml'), ('application/x-coldfusion',)),
+    'ColdfusionLexer': ('pip._vendor.pygments.lexers.templates', 'cfstatement', ('cfs',), (), ()),
+    'Comal80Lexer': ('pip._vendor.pygments.lexers.comal', 'COMAL-80', ('comal', 'comal80'), ('*.cml', '*.comal'), ()),
+    'CommonLispLexer': ('pip._vendor.pygments.lexers.lisp', 'Common Lisp', ('common-lisp', 'cl', 'lisp'), ('*.cl', '*.lisp'), ('text/x-common-lisp',)),
+    'ComponentPascalLexer': ('pip._vendor.pygments.lexers.oberon', 'Component Pascal', ('componentpascal', 'cp'), ('*.cp', '*.cps'), ('text/x-component-pascal',)),
+    'CoqLexer': ('pip._vendor.pygments.lexers.theorem', 'Coq', ('coq',), ('*.v',), ('text/x-coq',)),
+    'CplintLexer': ('pip._vendor.pygments.lexers.cplint', 'cplint', ('cplint',), ('*.ecl', '*.prolog', '*.pro', '*.pl', '*.P', '*.lpad', '*.cpl'), ('text/x-cplint',)),
+    'CppLexer': ('pip._vendor.pygments.lexers.c_cpp', 'C++', ('cpp', 'c++'), ('*.cpp', '*.hpp', '*.c++', '*.h++', '*.cc', '*.hh', '*.cxx', '*.hxx', '*.C', '*.H', '*.cp', '*.CPP', '*.tpp'), ('text/x-c++hdr', 'text/x-c++src')),
+    'CppObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'cpp-objdump', ('cpp-objdump', 'c++-objdumb', 'cxx-objdump'), ('*.cpp-objdump', '*.c++-objdump', '*.cxx-objdump'), ('text/x-cpp-objdump',)),
+    'CrmshLexer': ('pip._vendor.pygments.lexers.dsls', 'Crmsh', ('crmsh', 'pcmk'), ('*.crmsh', '*.pcmk'), ()),
+    'CrocLexer': ('pip._vendor.pygments.lexers.d', 'Croc', ('croc',), ('*.croc',), ('text/x-crocsrc',)),
+    'CryptolLexer': ('pip._vendor.pygments.lexers.haskell', 'Cryptol', ('cryptol', 'cry'), ('*.cry',), ('text/x-cryptol',)),
+    'CrystalLexer': ('pip._vendor.pygments.lexers.crystal', 'Crystal', ('cr', 'crystal'), ('*.cr',), ('text/x-crystal',)),
+    'CsoundDocumentLexer': ('pip._vendor.pygments.lexers.csound', 'Csound Document', ('csound-document', 'csound-csd'), ('*.csd',), ()),
+    'CsoundOrchestraLexer': ('pip._vendor.pygments.lexers.csound', 'Csound Orchestra', ('csound', 'csound-orc'), ('*.orc', '*.udo'), ()),
+    'CsoundScoreLexer': ('pip._vendor.pygments.lexers.csound', 'Csound Score', ('csound-score', 'csound-sco'), ('*.sco',), ()),
+    'CssDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Django/Jinja', ('css+django', 'css+jinja'), ('*.css.j2', '*.css.jinja2'), ('text/css+django', 'text/css+jinja')),
+    'CssErbLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Ruby', ('css+ruby', 'css+erb'), (), ('text/css+ruby',)),
+    'CssGenshiLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Genshi Text', ('css+genshitext', 'css+genshi'), (), ('text/css+genshi',)),
+    'CssLexer': ('pip._vendor.pygments.lexers.css', 'CSS', ('css',), ('*.css',), ('text/css',)),
+    'CssPhpLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+PHP', ('css+php',), (), ('text/css+php',)),
+    'CssSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Smarty', ('css+smarty',), (), ('text/css+smarty',)),
+    'CudaLexer': ('pip._vendor.pygments.lexers.c_like', 'CUDA', ('cuda', 'cu'), ('*.cu', '*.cuh'), ('text/x-cuda',)),
+    'CypherLexer': ('pip._vendor.pygments.lexers.graph', 'Cypher', ('cypher',), ('*.cyp', '*.cypher'), ()),
+    'CythonLexer': ('pip._vendor.pygments.lexers.python', 'Cython', ('cython', 'pyx', 'pyrex'), ('*.pyx', '*.pxd', '*.pxi'), ('text/x-cython', 'application/x-cython')),
+    'DLexer': ('pip._vendor.pygments.lexers.d', 'D', ('d',), ('*.d', '*.di'), ('text/x-dsrc',)),
+    'DObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'd-objdump', ('d-objdump',), ('*.d-objdump',), ('text/x-d-objdump',)),
+    'DarcsPatchLexer': ('pip._vendor.pygments.lexers.diff', 'Darcs Patch', ('dpatch',), ('*.dpatch', '*.darcspatch'), ()),
+    'DartLexer': ('pip._vendor.pygments.lexers.javascript', 'Dart', ('dart',), ('*.dart',), ('text/x-dart',)),
+    'Dasm16Lexer': ('pip._vendor.pygments.lexers.asm', 'DASM16', ('dasm16',), ('*.dasm16', '*.dasm'), ('text/x-dasm16',)),
+    'DaxLexer': ('pip._vendor.pygments.lexers.dax', 'Dax', ('dax',), ('*.dax',), ()),
+    'DebianControlLexer': ('pip._vendor.pygments.lexers.installers', 'Debian Control file', ('debcontrol', 'control'), ('control',), ()),
+    'DelphiLexer': ('pip._vendor.pygments.lexers.pascal', 'Delphi', ('delphi', 'pas', 'pascal', 'objectpascal'), ('*.pas', '*.dpr'), ('text/x-pascal',)),
+    'DevicetreeLexer': ('pip._vendor.pygments.lexers.devicetree', 'Devicetree', ('devicetree', 'dts'), ('*.dts', '*.dtsi'), ('text/x-c',)),
+    'DgLexer': ('pip._vendor.pygments.lexers.python', 'dg', ('dg',), ('*.dg',), ('text/x-dg',)),
+    'DiffLexer': ('pip._vendor.pygments.lexers.diff', 'Diff', ('diff', 'udiff'), ('*.diff', '*.patch'), ('text/x-diff', 'text/x-patch')),
+    'DjangoLexer': ('pip._vendor.pygments.lexers.templates', 'Django/Jinja', ('django', 'jinja'), (), ('application/x-django-templating', 'application/x-jinja')),
+    'DockerLexer': ('pip._vendor.pygments.lexers.configs', 'Docker', ('docker', 'dockerfile'), ('Dockerfile', '*.docker'), ('text/x-dockerfile-config',)),
+    'DtdLexer': ('pip._vendor.pygments.lexers.html', 'DTD', ('dtd',), ('*.dtd',), ('application/xml-dtd',)),
+    'DuelLexer': ('pip._vendor.pygments.lexers.webmisc', 'Duel', ('duel', 'jbst', 'jsonml+bst'), ('*.duel', '*.jbst'), ('text/x-duel', 'text/x-jbst')),
+    'DylanConsoleLexer': ('pip._vendor.pygments.lexers.dylan', 'Dylan session', ('dylan-console', 'dylan-repl'), ('*.dylan-console',), ('text/x-dylan-console',)),
+    'DylanLexer': ('pip._vendor.pygments.lexers.dylan', 'Dylan', ('dylan',), ('*.dylan', '*.dyl', '*.intr'), ('text/x-dylan',)),
+    'DylanLidLexer': ('pip._vendor.pygments.lexers.dylan', 'DylanLID', ('dylan-lid', 'lid'), ('*.lid', '*.hdp'), ('text/x-dylan-lid',)),
+    'ECLLexer': ('pip._vendor.pygments.lexers.ecl', 'ECL', ('ecl',), ('*.ecl',), ('application/x-ecl',)),
+    'ECLexer': ('pip._vendor.pygments.lexers.c_like', 'eC', ('ec',), ('*.ec', '*.eh'), ('text/x-echdr', 'text/x-ecsrc')),
+    'EarlGreyLexer': ('pip._vendor.pygments.lexers.javascript', 'Earl Grey', ('earl-grey', 'earlgrey', 'eg'), ('*.eg',), ('text/x-earl-grey',)),
+    'EasytrieveLexer': ('pip._vendor.pygments.lexers.scripting', 'Easytrieve', ('easytrieve',), ('*.ezt', '*.mac'), ('text/x-easytrieve',)),
+    'EbnfLexer': ('pip._vendor.pygments.lexers.parsers', 'EBNF', ('ebnf',), ('*.ebnf',), ('text/x-ebnf',)),
+    'EiffelLexer': ('pip._vendor.pygments.lexers.eiffel', 'Eiffel', ('eiffel',), ('*.e',), ('text/x-eiffel',)),
+    'ElixirConsoleLexer': ('pip._vendor.pygments.lexers.erlang', 'Elixir iex session', ('iex',), (), ('text/x-elixir-shellsession',)),
+    'ElixirLexer': ('pip._vendor.pygments.lexers.erlang', 'Elixir', ('elixir', 'ex', 'exs'), ('*.ex', '*.eex', '*.exs', '*.leex'), ('text/x-elixir',)),
+    'ElmLexer': ('pip._vendor.pygments.lexers.elm', 'Elm', ('elm',), ('*.elm',), ('text/x-elm',)),
+    'ElpiLexer': ('pip._vendor.pygments.lexers.elpi', 'Elpi', ('elpi',), ('*.elpi',), ('text/x-elpi',)),
+    'EmacsLispLexer': ('pip._vendor.pygments.lexers.lisp', 'EmacsLisp', ('emacs-lisp', 'elisp', 'emacs'), ('*.el',), ('text/x-elisp', 'application/x-elisp')),
+    'EmailLexer': ('pip._vendor.pygments.lexers.email', 'E-mail', ('email', 'eml'), ('*.eml',), ('message/rfc822',)),
+    'ErbLexer': ('pip._vendor.pygments.lexers.templates', 'ERB', ('erb',), (), ('application/x-ruby-templating',)),
+    'ErlangLexer': ('pip._vendor.pygments.lexers.erlang', 'Erlang', ('erlang',), ('*.erl', '*.hrl', '*.es', '*.escript'), ('text/x-erlang',)),
+    'ErlangShellLexer': ('pip._vendor.pygments.lexers.erlang', 'Erlang erl session', ('erl',), ('*.erl-sh',), ('text/x-erl-shellsession',)),
+    'EvoqueHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Evoque', ('html+evoque',), ('*.html',), ('text/html+evoque',)),
+    'EvoqueLexer': ('pip._vendor.pygments.lexers.templates', 'Evoque', ('evoque',), ('*.evoque',), ('application/x-evoque',)),
+    'EvoqueXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Evoque', ('xml+evoque',), ('*.xml',), ('application/xml+evoque',)),
+    'ExeclineLexer': ('pip._vendor.pygments.lexers.shell', 'execline', ('execline',), ('*.exec',), ()),
+    'EzhilLexer': ('pip._vendor.pygments.lexers.ezhil', 'Ezhil', ('ezhil',), ('*.n',), ('text/x-ezhil',)),
+    'FSharpLexer': ('pip._vendor.pygments.lexers.dotnet', 'F#', ('fsharp', 'f#'), ('*.fs', '*.fsi', '*.fsx'), ('text/x-fsharp',)),
+    'FStarLexer': ('pip._vendor.pygments.lexers.ml', 'FStar', ('fstar',), ('*.fst', '*.fsti'), ('text/x-fstar',)),
+    'FactorLexer': ('pip._vendor.pygments.lexers.factor', 'Factor', ('factor',), ('*.factor',), ('text/x-factor',)),
+    'FancyLexer': ('pip._vendor.pygments.lexers.ruby', 'Fancy', ('fancy', 'fy'), ('*.fy', '*.fancypack'), ('text/x-fancysrc',)),
+    'FantomLexer': ('pip._vendor.pygments.lexers.fantom', 'Fantom', ('fan',), ('*.fan',), ('application/x-fantom',)),
+    'FelixLexer': ('pip._vendor.pygments.lexers.felix', 'Felix', ('felix', 'flx'), ('*.flx', '*.flxh'), ('text/x-felix',)),
+    'FennelLexer': ('pip._vendor.pygments.lexers.lisp', 'Fennel', ('fennel', 'fnl'), ('*.fnl',), ()),
+    'FiftLexer': ('pip._vendor.pygments.lexers.fift', 'Fift', ('fift', 'fif'), ('*.fif',), ()),
+    'FishShellLexer': ('pip._vendor.pygments.lexers.shell', 'Fish', ('fish', 'fishshell'), ('*.fish', '*.load'), ('application/x-fish',)),
+    'FlatlineLexer': ('pip._vendor.pygments.lexers.dsls', 'Flatline', ('flatline',), (), ('text/x-flatline',)),
+    'FloScriptLexer': ('pip._vendor.pygments.lexers.floscript', 'FloScript', ('floscript', 'flo'), ('*.flo',), ()),
+    'ForthLexer': ('pip._vendor.pygments.lexers.forth', 'Forth', ('forth',), ('*.frt', '*.fs'), ('application/x-forth',)),
+    'FortranFixedLexer': ('pip._vendor.pygments.lexers.fortran', 'FortranFixed', ('fortranfixed',), ('*.f', '*.F'), ()),
+    'FortranLexer': ('pip._vendor.pygments.lexers.fortran', 'Fortran', ('fortran', 'f90'), ('*.f03', '*.f90', '*.F03', '*.F90'), ('text/x-fortran',)),
+    'FoxProLexer': ('pip._vendor.pygments.lexers.foxpro', 'FoxPro', ('foxpro', 'vfp', 'clipper', 'xbase'), ('*.PRG', '*.prg'), ()),
+    'FreeFemLexer': ('pip._vendor.pygments.lexers.freefem', 'Freefem', ('freefem',), ('*.edp',), ('text/x-freefem',)),
+    'FuncLexer': ('pip._vendor.pygments.lexers.func', 'FunC', ('func', 'fc'), ('*.fc', '*.func'), ()),
+    'FutharkLexer': ('pip._vendor.pygments.lexers.futhark', 'Futhark', ('futhark',), ('*.fut',), ('text/x-futhark',)),
+    'GAPConsoleLexer': ('pip._vendor.pygments.lexers.algebra', 'GAP session', ('gap-console', 'gap-repl'), ('*.tst',), ()),
+    'GAPLexer': ('pip._vendor.pygments.lexers.algebra', 'GAP', ('gap',), ('*.g', '*.gd', '*.gi', '*.gap'), ()),
+    'GDScriptLexer': ('pip._vendor.pygments.lexers.gdscript', 'GDScript', ('gdscript', 'gd'), ('*.gd',), ('text/x-gdscript', 'application/x-gdscript')),
+    'GLShaderLexer': ('pip._vendor.pygments.lexers.graphics', 'GLSL', ('glsl',), ('*.vert', '*.frag', '*.geo'), ('text/x-glslsrc',)),
+    'GSQLLexer': ('pip._vendor.pygments.lexers.gsql', 'GSQL', ('gsql',), ('*.gsql',), ()),
+    'GasLexer': ('pip._vendor.pygments.lexers.asm', 'GAS', ('gas', 'asm'), ('*.s', '*.S'), ('text/x-gas',)),
+    'GcodeLexer': ('pip._vendor.pygments.lexers.gcodelexer', 'g-code', ('gcode',), ('*.gcode',), ()),
+    'GenshiLexer': ('pip._vendor.pygments.lexers.templates', 'Genshi', ('genshi', 'kid', 'xml+genshi', 'xml+kid'), ('*.kid',), ('application/x-genshi', 'application/x-kid')),
+    'GenshiTextLexer': ('pip._vendor.pygments.lexers.templates', 'Genshi Text', ('genshitext',), (), ('application/x-genshi-text', 'text/x-genshi')),
+    'GettextLexer': ('pip._vendor.pygments.lexers.textfmts', 'Gettext Catalog', ('pot', 'po'), ('*.pot', '*.po'), ('application/x-gettext', 'text/x-gettext', 'text/gettext')),
+    'GherkinLexer': ('pip._vendor.pygments.lexers.testing', 'Gherkin', ('gherkin', 'cucumber'), ('*.feature',), ('text/x-gherkin',)),
+    'GnuplotLexer': ('pip._vendor.pygments.lexers.graphics', 'Gnuplot', ('gnuplot',), ('*.plot', '*.plt'), ('text/x-gnuplot',)),
+    'GoLexer': ('pip._vendor.pygments.lexers.go', 'Go', ('go', 'golang'), ('*.go',), ('text/x-gosrc',)),
+    'GoloLexer': ('pip._vendor.pygments.lexers.jvm', 'Golo', ('golo',), ('*.golo',), ()),
+    'GoodDataCLLexer': ('pip._vendor.pygments.lexers.business', 'GoodData-CL', ('gooddata-cl',), ('*.gdc',), ('text/x-gooddata-cl',)),
+    'GosuLexer': ('pip._vendor.pygments.lexers.jvm', 'Gosu', ('gosu',), ('*.gs', '*.gsx', '*.gsp', '*.vark'), ('text/x-gosu',)),
+    'GosuTemplateLexer': ('pip._vendor.pygments.lexers.jvm', 'Gosu Template', ('gst',), ('*.gst',), ('text/x-gosu-template',)),
+    'GraphvizLexer': ('pip._vendor.pygments.lexers.graphviz', 'Graphviz', ('graphviz', 'dot'), ('*.gv', '*.dot'), ('text/x-graphviz', 'text/vnd.graphviz')),
+    'GroffLexer': ('pip._vendor.pygments.lexers.markup', 'Groff', ('groff', 'nroff', 'man'), ('*.[1-9]', '*.man', '*.1p', '*.3pm'), ('application/x-troff', 'text/troff')),
+    'GroovyLexer': ('pip._vendor.pygments.lexers.jvm', 'Groovy', ('groovy',), ('*.groovy', '*.gradle'), ('text/x-groovy',)),
+    'HLSLShaderLexer': ('pip._vendor.pygments.lexers.graphics', 'HLSL', ('hlsl',), ('*.hlsl', '*.hlsli'), ('text/x-hlsl',)),
+    'HTMLUL4Lexer': ('pip._vendor.pygments.lexers.ul4', 'HTML+UL4', ('html+ul4',), ('*.htmlul4',), ()),
+    'HamlLexer': ('pip._vendor.pygments.lexers.html', 'Haml', ('haml',), ('*.haml',), ('text/x-haml',)),
+    'HandlebarsHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Handlebars', ('html+handlebars',), ('*.handlebars', '*.hbs'), ('text/html+handlebars', 'text/x-handlebars-template')),
+    'HandlebarsLexer': ('pip._vendor.pygments.lexers.templates', 'Handlebars', ('handlebars',), (), ()),
+    'HaskellLexer': ('pip._vendor.pygments.lexers.haskell', 'Haskell', ('haskell', 'hs'), ('*.hs',), ('text/x-haskell',)),
+    'HaxeLexer': ('pip._vendor.pygments.lexers.haxe', 'Haxe', ('haxe', 'hxsl', 'hx'), ('*.hx', '*.hxsl'), ('text/haxe', 'text/x-haxe', 'text/x-hx')),
+    'HexdumpLexer': ('pip._vendor.pygments.lexers.hexdump', 'Hexdump', ('hexdump',), (), ()),
+    'HsailLexer': ('pip._vendor.pygments.lexers.asm', 'HSAIL', ('hsail', 'hsa'), ('*.hsail',), ('text/x-hsail',)),
+    'HspecLexer': ('pip._vendor.pygments.lexers.haskell', 'Hspec', ('hspec',), ('*Spec.hs',), ()),
+    'HtmlDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Django/Jinja', ('html+django', 'html+jinja', 'htmldjango'), ('*.html.j2', '*.htm.j2', '*.xhtml.j2', '*.html.jinja2', '*.htm.jinja2', '*.xhtml.jinja2'), ('text/html+django', 'text/html+jinja')),
+    'HtmlGenshiLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Genshi', ('html+genshi', 'html+kid'), (), ('text/html+genshi',)),
+    'HtmlLexer': ('pip._vendor.pygments.lexers.html', 'HTML', ('html',), ('*.html', '*.htm', '*.xhtml', '*.xslt'), ('text/html', 'application/xhtml+xml')),
+    'HtmlPhpLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+PHP', ('html+php',), ('*.phtml',), ('application/x-php', 'application/x-httpd-php', 'application/x-httpd-php3', 'application/x-httpd-php4', 'application/x-httpd-php5')),
+    'HtmlSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Smarty', ('html+smarty',), (), ('text/html+smarty',)),
+    'HttpLexer': ('pip._vendor.pygments.lexers.textfmts', 'HTTP', ('http',), (), ()),
+    'HxmlLexer': ('pip._vendor.pygments.lexers.haxe', 'Hxml', ('haxeml', 'hxml'), ('*.hxml',), ()),
+    'HyLexer': ('pip._vendor.pygments.lexers.lisp', 'Hy', ('hylang',), ('*.hy',), ('text/x-hy', 'application/x-hy')),
+    'HybrisLexer': ('pip._vendor.pygments.lexers.scripting', 'Hybris', ('hybris', 'hy'), ('*.hy', '*.hyb'), ('text/x-hybris', 'application/x-hybris')),
+    'IDLLexer': ('pip._vendor.pygments.lexers.idl', 'IDL', ('idl',), ('*.pro',), ('text/idl',)),
+    'IconLexer': ('pip._vendor.pygments.lexers.unicon', 'Icon', ('icon',), ('*.icon', '*.ICON'), ()),
+    'IdrisLexer': ('pip._vendor.pygments.lexers.haskell', 'Idris', ('idris', 'idr'), ('*.idr',), ('text/x-idris',)),
+    'IgorLexer': ('pip._vendor.pygments.lexers.igor', 'Igor', ('igor', 'igorpro'), ('*.ipf',), ('text/ipf',)),
+    'Inform6Lexer': ('pip._vendor.pygments.lexers.int_fiction', 'Inform 6', ('inform6', 'i6'), ('*.inf',), ()),
+    'Inform6TemplateLexer': ('pip._vendor.pygments.lexers.int_fiction', 'Inform 6 template', ('i6t',), ('*.i6t',), ()),
+    'Inform7Lexer': ('pip._vendor.pygments.lexers.int_fiction', 'Inform 7', ('inform7', 'i7'), ('*.ni', '*.i7x'), ()),
+    'IniLexer': ('pip._vendor.pygments.lexers.configs', 'INI', ('ini', 'cfg', 'dosini'), ('*.ini', '*.cfg', '*.inf', '.editorconfig', '*.service', '*.socket', '*.device', '*.mount', '*.automount', '*.swap', '*.target', '*.path', '*.timer', '*.slice', '*.scope'), ('text/x-ini', 'text/inf')),
+    'IoLexer': ('pip._vendor.pygments.lexers.iolang', 'Io', ('io',), ('*.io',), ('text/x-iosrc',)),
+    'IokeLexer': ('pip._vendor.pygments.lexers.jvm', 'Ioke', ('ioke', 'ik'), ('*.ik',), ('text/x-iokesrc',)),
+    'IrcLogsLexer': ('pip._vendor.pygments.lexers.textfmts', 'IRC logs', ('irc',), ('*.weechatlog',), ('text/x-irclog',)),
+    'IsabelleLexer': ('pip._vendor.pygments.lexers.theorem', 'Isabelle', ('isabelle',), ('*.thy',), ('text/x-isabelle',)),
+    'JLexer': ('pip._vendor.pygments.lexers.j', 'J', ('j',), ('*.ijs',), ('text/x-j',)),
+    'JMESPathLexer': ('pip._vendor.pygments.lexers.jmespath', 'JMESPath', ('jmespath', 'jp'), ('*.jp',), ()),
+    'JSLTLexer': ('pip._vendor.pygments.lexers.jslt', 'JSLT', ('jslt',), ('*.jslt',), ('text/x-jslt',)),
+    'JagsLexer': ('pip._vendor.pygments.lexers.modeling', 'JAGS', ('jags',), ('*.jag', '*.bug'), ()),
+    'JasminLexer': ('pip._vendor.pygments.lexers.jvm', 'Jasmin', ('jasmin', 'jasminxt'), ('*.j',), ()),
+    'JavaLexer': ('pip._vendor.pygments.lexers.jvm', 'Java', ('java',), ('*.java',), ('text/x-java',)),
+    'JavascriptDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Django/Jinja', ('javascript+django', 'js+django', 'javascript+jinja', 'js+jinja'), ('*.js.j2', '*.js.jinja2'), ('application/x-javascript+django', 'application/x-javascript+jinja', 'text/x-javascript+django', 'text/x-javascript+jinja', 'text/javascript+django', 'text/javascript+jinja')),
+    'JavascriptErbLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Ruby', ('javascript+ruby', 'js+ruby', 'javascript+erb', 'js+erb'), (), ('application/x-javascript+ruby', 'text/x-javascript+ruby', 'text/javascript+ruby')),
+    'JavascriptGenshiLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Genshi Text', ('js+genshitext', 'js+genshi', 'javascript+genshitext', 'javascript+genshi'), (), ('application/x-javascript+genshi', 'text/x-javascript+genshi', 'text/javascript+genshi')),
+    'JavascriptLexer': ('pip._vendor.pygments.lexers.javascript', 'JavaScript', ('javascript', 'js'), ('*.js', '*.jsm', '*.mjs', '*.cjs'), ('application/javascript', 'application/x-javascript', 'text/x-javascript', 'text/javascript')),
+    'JavascriptPhpLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+PHP', ('javascript+php', 'js+php'), (), ('application/x-javascript+php', 'text/x-javascript+php', 'text/javascript+php')),
+    'JavascriptSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Smarty', ('javascript+smarty', 'js+smarty'), (), ('application/x-javascript+smarty', 'text/x-javascript+smarty', 'text/javascript+smarty')),
+    'JavascriptUL4Lexer': ('pip._vendor.pygments.lexers.ul4', 'Javascript+UL4', ('js+ul4',), ('*.jsul4',), ()),
+    'JclLexer': ('pip._vendor.pygments.lexers.scripting', 'JCL', ('jcl',), ('*.jcl',), ('text/x-jcl',)),
+    'JsgfLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'JSGF', ('jsgf',), ('*.jsgf',), ('application/jsgf', 'application/x-jsgf', 'text/jsgf')),
+    'JsonBareObjectLexer': ('pip._vendor.pygments.lexers.data', 'JSONBareObject', (), (), ()),
+    'JsonLdLexer': ('pip._vendor.pygments.lexers.data', 'JSON-LD', ('jsonld', 'json-ld'), ('*.jsonld',), ('application/ld+json',)),
+    'JsonLexer': ('pip._vendor.pygments.lexers.data', 'JSON', ('json', 'json-object'), ('*.json', 'Pipfile.lock'), ('application/json', 'application/json-object')),
+    'JsonnetLexer': ('pip._vendor.pygments.lexers.jsonnet', 'Jsonnet', ('jsonnet',), ('*.jsonnet', '*.libsonnet'), ()),
+    'JspLexer': ('pip._vendor.pygments.lexers.templates', 'Java Server Page', ('jsp',), ('*.jsp',), ('application/x-jsp',)),
+    'JuliaConsoleLexer': ('pip._vendor.pygments.lexers.julia', 'Julia console', ('jlcon', 'julia-repl'), (), ()),
+    'JuliaLexer': ('pip._vendor.pygments.lexers.julia', 'Julia', ('julia', 'jl'), ('*.jl',), ('text/x-julia', 'application/x-julia')),
+    'JuttleLexer': ('pip._vendor.pygments.lexers.javascript', 'Juttle', ('juttle',), ('*.juttle',), ('application/juttle', 'application/x-juttle', 'text/x-juttle', 'text/juttle')),
+    'KLexer': ('pip._vendor.pygments.lexers.q', 'K', ('k',), ('*.k',), ()),
+    'KalLexer': ('pip._vendor.pygments.lexers.javascript', 'Kal', ('kal',), ('*.kal',), ('text/kal', 'application/kal')),
+    'KconfigLexer': ('pip._vendor.pygments.lexers.configs', 'Kconfig', ('kconfig', 'menuconfig', 'linux-config', 'kernel-config'), ('Kconfig*', '*Config.in*', 'external.in*', 'standard-modules.in'), ('text/x-kconfig',)),
+    'KernelLogLexer': ('pip._vendor.pygments.lexers.textfmts', 'Kernel log', ('kmsg', 'dmesg'), ('*.kmsg', '*.dmesg'), ()),
+    'KokaLexer': ('pip._vendor.pygments.lexers.haskell', 'Koka', ('koka',), ('*.kk', '*.kki'), ('text/x-koka',)),
+    'KotlinLexer': ('pip._vendor.pygments.lexers.jvm', 'Kotlin', ('kotlin',), ('*.kt', '*.kts'), ('text/x-kotlin',)),
+    'KuinLexer': ('pip._vendor.pygments.lexers.kuin', 'Kuin', ('kuin',), ('*.kn',), ()),
+    'LSLLexer': ('pip._vendor.pygments.lexers.scripting', 'LSL', ('lsl',), ('*.lsl',), ('text/x-lsl',)),
+    'LassoCssLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Lasso', ('css+lasso',), (), ('text/css+lasso',)),
+    'LassoHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Lasso', ('html+lasso',), (), ('text/html+lasso', 'application/x-httpd-lasso', 'application/x-httpd-lasso[89]')),
+    'LassoJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Lasso', ('javascript+lasso', 'js+lasso'), (), ('application/x-javascript+lasso', 'text/x-javascript+lasso', 'text/javascript+lasso')),
+    'LassoLexer': ('pip._vendor.pygments.lexers.javascript', 'Lasso', ('lasso', 'lassoscript'), ('*.lasso', '*.lasso[89]'), ('text/x-lasso',)),
+    'LassoXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Lasso', ('xml+lasso',), (), ('application/xml+lasso',)),
+    'LeanLexer': ('pip._vendor.pygments.lexers.theorem', 'Lean', ('lean',), ('*.lean',), ('text/x-lean',)),
+    'LessCssLexer': ('pip._vendor.pygments.lexers.css', 'LessCss', ('less',), ('*.less',), ('text/x-less-css',)),
+    'LighttpdConfLexer': ('pip._vendor.pygments.lexers.configs', 'Lighttpd configuration file', ('lighttpd', 'lighty'), ('lighttpd.conf',), ('text/x-lighttpd-conf',)),
+    'LilyPondLexer': ('pip._vendor.pygments.lexers.lilypond', 'LilyPond', ('lilypond',), ('*.ly',), ()),
+    'LimboLexer': ('pip._vendor.pygments.lexers.inferno', 'Limbo', ('limbo',), ('*.b',), ('text/limbo',)),
+    'LiquidLexer': ('pip._vendor.pygments.lexers.templates', 'liquid', ('liquid',), ('*.liquid',), ()),
+    'LiterateAgdaLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Agda', ('literate-agda', 'lagda'), ('*.lagda',), ('text/x-literate-agda',)),
+    'LiterateCryptolLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Cryptol', ('literate-cryptol', 'lcryptol', 'lcry'), ('*.lcry',), ('text/x-literate-cryptol',)),
+    'LiterateHaskellLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Haskell', ('literate-haskell', 'lhaskell', 'lhs'), ('*.lhs',), ('text/x-literate-haskell',)),
+    'LiterateIdrisLexer': ('pip._vendor.pygments.lexers.haskell', 'Literate Idris', ('literate-idris', 'lidris', 'lidr'), ('*.lidr',), ('text/x-literate-idris',)),
+    'LiveScriptLexer': ('pip._vendor.pygments.lexers.javascript', 'LiveScript', ('livescript', 'live-script'), ('*.ls',), ('text/livescript',)),
+    'LlvmLexer': ('pip._vendor.pygments.lexers.asm', 'LLVM', ('llvm',), ('*.ll',), ('text/x-llvm',)),
+    'LlvmMirBodyLexer': ('pip._vendor.pygments.lexers.asm', 'LLVM-MIR Body', ('llvm-mir-body',), (), ()),
+    'LlvmMirLexer': ('pip._vendor.pygments.lexers.asm', 'LLVM-MIR', ('llvm-mir',), ('*.mir',), ()),
+    'LogosLexer': ('pip._vendor.pygments.lexers.objective', 'Logos', ('logos',), ('*.x', '*.xi', '*.xm', '*.xmi'), ('text/x-logos',)),
+    'LogtalkLexer': ('pip._vendor.pygments.lexers.prolog', 'Logtalk', ('logtalk',), ('*.lgt', '*.logtalk'), ('text/x-logtalk',)),
+    'LuaLexer': ('pip._vendor.pygments.lexers.scripting', 'Lua', ('lua',), ('*.lua', '*.wlua'), ('text/x-lua', 'application/x-lua')),
+    'MCFunctionLexer': ('pip._vendor.pygments.lexers.minecraft', 'MCFunction', ('mcfunction', 'mcf'), ('*.mcfunction',), ('text/mcfunction',)),
+    'MCSchemaLexer': ('pip._vendor.pygments.lexers.minecraft', 'MCSchema', ('mcschema',), ('*.mcschema',), ('text/mcschema',)),
+    'MIMELexer': ('pip._vendor.pygments.lexers.mime', 'MIME', ('mime',), (), ('multipart/mixed', 'multipart/related', 'multipart/alternative')),
+    'MIPSLexer': ('pip._vendor.pygments.lexers.mips', 'MIPS', ('mips',), ('*.mips', '*.MIPS'), ()),
+    'MOOCodeLexer': ('pip._vendor.pygments.lexers.scripting', 'MOOCode', ('moocode', 'moo'), ('*.moo',), ('text/x-moocode',)),
+    'MSDOSSessionLexer': ('pip._vendor.pygments.lexers.shell', 'MSDOS Session', ('doscon',), (), ()),
+    'Macaulay2Lexer': ('pip._vendor.pygments.lexers.macaulay2', 'Macaulay2', ('macaulay2',), ('*.m2',), ()),
+    'MakefileLexer': ('pip._vendor.pygments.lexers.make', 'Makefile', ('make', 'makefile', 'mf', 'bsdmake'), ('*.mak', '*.mk', 'Makefile', 'makefile', 'Makefile.*', 'GNUmakefile'), ('text/x-makefile',)),
+    'MakoCssLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Mako', ('css+mako',), (), ('text/css+mako',)),
+    'MakoHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Mako', ('html+mako',), (), ('text/html+mako',)),
+    'MakoJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Mako', ('javascript+mako', 'js+mako'), (), ('application/x-javascript+mako', 'text/x-javascript+mako', 'text/javascript+mako')),
+    'MakoLexer': ('pip._vendor.pygments.lexers.templates', 'Mako', ('mako',), ('*.mao',), ('application/x-mako',)),
+    'MakoXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Mako', ('xml+mako',), (), ('application/xml+mako',)),
+    'MaqlLexer': ('pip._vendor.pygments.lexers.business', 'MAQL', ('maql',), ('*.maql',), ('text/x-gooddata-maql', 'application/x-gooddata-maql')),
+    'MarkdownLexer': ('pip._vendor.pygments.lexers.markup', 'Markdown', ('markdown', 'md'), ('*.md', '*.markdown'), ('text/x-markdown',)),
+    'MaskLexer': ('pip._vendor.pygments.lexers.javascript', 'Mask', ('mask',), ('*.mask',), ('text/x-mask',)),
+    'MasonLexer': ('pip._vendor.pygments.lexers.templates', 'Mason', ('mason',), ('*.m', '*.mhtml', '*.mc', '*.mi', 'autohandler', 'dhandler'), ('application/x-mason',)),
+    'MathematicaLexer': ('pip._vendor.pygments.lexers.algebra', 'Mathematica', ('mathematica', 'mma', 'nb'), ('*.nb', '*.cdf', '*.nbp', '*.ma'), ('application/mathematica', 'application/vnd.wolfram.mathematica', 'application/vnd.wolfram.mathematica.package', 'application/vnd.wolfram.cdf')),
+    'MatlabLexer': ('pip._vendor.pygments.lexers.matlab', 'Matlab', ('matlab',), ('*.m',), ('text/matlab',)),
+    'MatlabSessionLexer': ('pip._vendor.pygments.lexers.matlab', 'Matlab session', ('matlabsession',), (), ()),
+    'MaximaLexer': ('pip._vendor.pygments.lexers.maxima', 'Maxima', ('maxima', 'macsyma'), ('*.mac', '*.max'), ()),
+    'MesonLexer': ('pip._vendor.pygments.lexers.meson', 'Meson', ('meson', 'meson.build'), ('meson.build', 'meson_options.txt'), ('text/x-meson',)),
+    'MiniDLexer': ('pip._vendor.pygments.lexers.d', 'MiniD', ('minid',), (), ('text/x-minidsrc',)),
+    'MiniScriptLexer': ('pip._vendor.pygments.lexers.scripting', 'MiniScript', ('miniscript', 'ms'), ('*.ms',), ('text/x-minicript', 'application/x-miniscript')),
+    'ModelicaLexer': ('pip._vendor.pygments.lexers.modeling', 'Modelica', ('modelica',), ('*.mo',), ('text/x-modelica',)),
+    'Modula2Lexer': ('pip._vendor.pygments.lexers.modula2', 'Modula-2', ('modula2', 'm2'), ('*.def', '*.mod'), ('text/x-modula2',)),
+    'MoinWikiLexer': ('pip._vendor.pygments.lexers.markup', 'MoinMoin/Trac Wiki markup', ('trac-wiki', 'moin'), (), ('text/x-trac-wiki',)),
+    'MonkeyLexer': ('pip._vendor.pygments.lexers.basic', 'Monkey', ('monkey',), ('*.monkey',), ('text/x-monkey',)),
+    'MonteLexer': ('pip._vendor.pygments.lexers.monte', 'Monte', ('monte',), ('*.mt',), ()),
+    'MoonScriptLexer': ('pip._vendor.pygments.lexers.scripting', 'MoonScript', ('moonscript', 'moon'), ('*.moon',), ('text/x-moonscript', 'application/x-moonscript')),
+    'MoselLexer': ('pip._vendor.pygments.lexers.mosel', 'Mosel', ('mosel',), ('*.mos',), ()),
+    'MozPreprocCssLexer': ('pip._vendor.pygments.lexers.markup', 'CSS+mozpreproc', ('css+mozpreproc',), ('*.css.in',), ()),
+    'MozPreprocHashLexer': ('pip._vendor.pygments.lexers.markup', 'mozhashpreproc', ('mozhashpreproc',), (), ()),
+    'MozPreprocJavascriptLexer': ('pip._vendor.pygments.lexers.markup', 'Javascript+mozpreproc', ('javascript+mozpreproc',), ('*.js.in',), ()),
+    'MozPreprocPercentLexer': ('pip._vendor.pygments.lexers.markup', 'mozpercentpreproc', ('mozpercentpreproc',), (), ()),
+    'MozPreprocXulLexer': ('pip._vendor.pygments.lexers.markup', 'XUL+mozpreproc', ('xul+mozpreproc',), ('*.xul.in',), ()),
+    'MqlLexer': ('pip._vendor.pygments.lexers.c_like', 'MQL', ('mql', 'mq4', 'mq5', 'mql4', 'mql5'), ('*.mq4', '*.mq5', '*.mqh'), ('text/x-mql',)),
+    'MscgenLexer': ('pip._vendor.pygments.lexers.dsls', 'Mscgen', ('mscgen', 'msc'), ('*.msc',), ()),
+    'MuPADLexer': ('pip._vendor.pygments.lexers.algebra', 'MuPAD', ('mupad',), ('*.mu',), ()),
+    'MxmlLexer': ('pip._vendor.pygments.lexers.actionscript', 'MXML', ('mxml',), ('*.mxml',), ()),
+    'MySqlLexer': ('pip._vendor.pygments.lexers.sql', 'MySQL', ('mysql',), (), ('text/x-mysql',)),
+    'MyghtyCssLexer': ('pip._vendor.pygments.lexers.templates', 'CSS+Myghty', ('css+myghty',), (), ('text/css+myghty',)),
+    'MyghtyHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Myghty', ('html+myghty',), (), ('text/html+myghty',)),
+    'MyghtyJavascriptLexer': ('pip._vendor.pygments.lexers.templates', 'JavaScript+Myghty', ('javascript+myghty', 'js+myghty'), (), ('application/x-javascript+myghty', 'text/x-javascript+myghty', 'text/javascript+mygthy')),
+    'MyghtyLexer': ('pip._vendor.pygments.lexers.templates', 'Myghty', ('myghty',), ('*.myt', 'autodelegate'), ('application/x-myghty',)),
+    'MyghtyXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Myghty', ('xml+myghty',), (), ('application/xml+myghty',)),
+    'NCLLexer': ('pip._vendor.pygments.lexers.ncl', 'NCL', ('ncl',), ('*.ncl',), ('text/ncl',)),
+    'NSISLexer': ('pip._vendor.pygments.lexers.installers', 'NSIS', ('nsis', 'nsi', 'nsh'), ('*.nsi', '*.nsh'), ('text/x-nsis',)),
+    'NasmLexer': ('pip._vendor.pygments.lexers.asm', 'NASM', ('nasm',), ('*.asm', '*.ASM', '*.nasm'), ('text/x-nasm',)),
+    'NasmObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'objdump-nasm', ('objdump-nasm',), ('*.objdump-intel',), ('text/x-nasm-objdump',)),
+    'NemerleLexer': ('pip._vendor.pygments.lexers.dotnet', 'Nemerle', ('nemerle',), ('*.n',), ('text/x-nemerle',)),
+    'NesCLexer': ('pip._vendor.pygments.lexers.c_like', 'nesC', ('nesc',), ('*.nc',), ('text/x-nescsrc',)),
+    'NestedTextLexer': ('pip._vendor.pygments.lexers.configs', 'NestedText', ('nestedtext', 'nt'), ('*.nt',), ()),
+    'NewLispLexer': ('pip._vendor.pygments.lexers.lisp', 'NewLisp', ('newlisp',), ('*.lsp', '*.nl', '*.kif'), ('text/x-newlisp', 'application/x-newlisp')),
+    'NewspeakLexer': ('pip._vendor.pygments.lexers.smalltalk', 'Newspeak', ('newspeak',), ('*.ns2',), ('text/x-newspeak',)),
+    'NginxConfLexer': ('pip._vendor.pygments.lexers.configs', 'Nginx configuration file', ('nginx',), ('nginx.conf',), ('text/x-nginx-conf',)),
+    'NimrodLexer': ('pip._vendor.pygments.lexers.nimrod', 'Nimrod', ('nimrod', 'nim'), ('*.nim', '*.nimrod'), ('text/x-nim',)),
+    'NitLexer': ('pip._vendor.pygments.lexers.nit', 'Nit', ('nit',), ('*.nit',), ()),
+    'NixLexer': ('pip._vendor.pygments.lexers.nix', 'Nix', ('nixos', 'nix'), ('*.nix',), ('text/x-nix',)),
+    'NodeConsoleLexer': ('pip._vendor.pygments.lexers.javascript', 'Node.js REPL console session', ('nodejsrepl',), (), ('text/x-nodejsrepl',)),
+    'NotmuchLexer': ('pip._vendor.pygments.lexers.textfmts', 'Notmuch', ('notmuch',), (), ()),
+    'NuSMVLexer': ('pip._vendor.pygments.lexers.smv', 'NuSMV', ('nusmv',), ('*.smv',), ()),
+    'NumPyLexer': ('pip._vendor.pygments.lexers.python', 'NumPy', ('numpy',), (), ()),
+    'ObjdumpLexer': ('pip._vendor.pygments.lexers.asm', 'objdump', ('objdump',), ('*.objdump',), ('text/x-objdump',)),
+    'ObjectiveCLexer': ('pip._vendor.pygments.lexers.objective', 'Objective-C', ('objective-c', 'objectivec', 'obj-c', 'objc'), ('*.m', '*.h'), ('text/x-objective-c',)),
+    'ObjectiveCppLexer': ('pip._vendor.pygments.lexers.objective', 'Objective-C++', ('objective-c++', 'objectivec++', 'obj-c++', 'objc++'), ('*.mm', '*.hh'), ('text/x-objective-c++',)),
+    'ObjectiveJLexer': ('pip._vendor.pygments.lexers.javascript', 'Objective-J', ('objective-j', 'objectivej', 'obj-j', 'objj'), ('*.j',), ('text/x-objective-j',)),
+    'OcamlLexer': ('pip._vendor.pygments.lexers.ml', 'OCaml', ('ocaml',), ('*.ml', '*.mli', '*.mll', '*.mly'), ('text/x-ocaml',)),
+    'OctaveLexer': ('pip._vendor.pygments.lexers.matlab', 'Octave', ('octave',), ('*.m',), ('text/octave',)),
+    'OdinLexer': ('pip._vendor.pygments.lexers.archetype', 'ODIN', ('odin',), ('*.odin',), ('text/odin',)),
+    'OmgIdlLexer': ('pip._vendor.pygments.lexers.c_like', 'OMG Interface Definition Language', ('omg-idl',), ('*.idl', '*.pidl'), ()),
+    'OocLexer': ('pip._vendor.pygments.lexers.ooc', 'Ooc', ('ooc',), ('*.ooc',), ('text/x-ooc',)),
+    'OpaLexer': ('pip._vendor.pygments.lexers.ml', 'Opa', ('opa',), ('*.opa',), ('text/x-opa',)),
+    'OpenEdgeLexer': ('pip._vendor.pygments.lexers.business', 'OpenEdge ABL', ('openedge', 'abl', 'progress'), ('*.p', '*.cls'), ('text/x-openedge', 'application/x-openedge')),
+    'OutputLexer': ('pip._vendor.pygments.lexers.special', 'Text output', ('output',), (), ()),
+    'PacmanConfLexer': ('pip._vendor.pygments.lexers.configs', 'PacmanConf', ('pacmanconf',), ('pacman.conf',), ()),
+    'PanLexer': ('pip._vendor.pygments.lexers.dsls', 'Pan', ('pan',), ('*.pan',), ()),
+    'ParaSailLexer': ('pip._vendor.pygments.lexers.parasail', 'ParaSail', ('parasail',), ('*.psi', '*.psl'), ('text/x-parasail',)),
+    'PawnLexer': ('pip._vendor.pygments.lexers.pawn', 'Pawn', ('pawn',), ('*.p', '*.pwn', '*.inc'), ('text/x-pawn',)),
+    'PegLexer': ('pip._vendor.pygments.lexers.grammar_notation', 'PEG', ('peg',), ('*.peg',), ('text/x-peg',)),
+    'Perl6Lexer': ('pip._vendor.pygments.lexers.perl', 'Perl6', ('perl6', 'pl6', 'raku'), ('*.pl', '*.pm', '*.nqp', '*.p6', '*.6pl', '*.p6l', '*.pl6', '*.6pm', '*.p6m', '*.pm6', '*.t', '*.raku', '*.rakumod', '*.rakutest', '*.rakudoc'), ('text/x-perl6', 'application/x-perl6')),
+    'PerlLexer': ('pip._vendor.pygments.lexers.perl', 'Perl', ('perl', 'pl'), ('*.pl', '*.pm', '*.t', '*.perl'), ('text/x-perl', 'application/x-perl')),
+    'PhixLexer': ('pip._vendor.pygments.lexers.phix', 'Phix', ('phix',), ('*.exw',), ('text/x-phix',)),
+    'PhpLexer': ('pip._vendor.pygments.lexers.php', 'PHP', ('php', 'php3', 'php4', 'php5'), ('*.php', '*.php[345]', '*.inc'), ('text/x-php',)),
+    'PigLexer': ('pip._vendor.pygments.lexers.jvm', 'Pig', ('pig',), ('*.pig',), ('text/x-pig',)),
+    'PikeLexer': ('pip._vendor.pygments.lexers.c_like', 'Pike', ('pike',), ('*.pike', '*.pmod'), ('text/x-pike',)),
+    'PkgConfigLexer': ('pip._vendor.pygments.lexers.configs', 'PkgConfig', ('pkgconfig',), ('*.pc',), ()),
+    'PlPgsqlLexer': ('pip._vendor.pygments.lexers.sql', 'PL/pgSQL', ('plpgsql',), (), ('text/x-plpgsql',)),
+    'PointlessLexer': ('pip._vendor.pygments.lexers.pointless', 'Pointless', ('pointless',), ('*.ptls',), ()),
+    'PonyLexer': ('pip._vendor.pygments.lexers.pony', 'Pony', ('pony',), ('*.pony',), ()),
+    'PortugolLexer': ('pip._vendor.pygments.lexers.pascal', 'Portugol', ('portugol',), ('*.alg', '*.portugol'), ()),
+    'PostScriptLexer': ('pip._vendor.pygments.lexers.graphics', 'PostScript', ('postscript', 'postscr'), ('*.ps', '*.eps'), ('application/postscript',)),
+    'PostgresConsoleLexer': ('pip._vendor.pygments.lexers.sql', 'PostgreSQL console (psql)', ('psql', 'postgresql-console', 'postgres-console'), (), ('text/x-postgresql-psql',)),
+    'PostgresExplainLexer': ('pip._vendor.pygments.lexers.sql', 'PostgreSQL EXPLAIN dialect', ('postgres-explain',), ('*.explain',), ('text/x-postgresql-explain',)),
+    'PostgresLexer': ('pip._vendor.pygments.lexers.sql', 'PostgreSQL SQL dialect', ('postgresql', 'postgres'), (), ('text/x-postgresql',)),
+    'PovrayLexer': ('pip._vendor.pygments.lexers.graphics', 'POVRay', ('pov',), ('*.pov', '*.inc'), ('text/x-povray',)),
+    'PowerShellLexer': ('pip._vendor.pygments.lexers.shell', 'PowerShell', ('powershell', 'pwsh', 'posh', 'ps1', 'psm1'), ('*.ps1', '*.psm1'), ('text/x-powershell',)),
+    'PowerShellSessionLexer': ('pip._vendor.pygments.lexers.shell', 'PowerShell Session', ('pwsh-session', 'ps1con'), (), ()),
+    'PraatLexer': ('pip._vendor.pygments.lexers.praat', 'Praat', ('praat',), ('*.praat', '*.proc', '*.psc'), ()),
+    'ProcfileLexer': ('pip._vendor.pygments.lexers.procfile', 'Procfile', ('procfile',), ('Procfile',), ()),
+    'PrologLexer': ('pip._vendor.pygments.lexers.prolog', 'Prolog', ('prolog',), ('*.ecl', '*.prolog', '*.pro', '*.pl'), ('text/x-prolog',)),
+    'PromQLLexer': ('pip._vendor.pygments.lexers.promql', 'PromQL', ('promql',), ('*.promql',), ()),
+    'PropertiesLexer': ('pip._vendor.pygments.lexers.configs', 'Properties', ('properties', 'jproperties'), ('*.properties',), ('text/x-java-properties',)),
+    'ProtoBufLexer': ('pip._vendor.pygments.lexers.dsls', 'Protocol Buffer', ('protobuf', 'proto'), ('*.proto',), ()),
+    'PsyshConsoleLexer': ('pip._vendor.pygments.lexers.php', 'PsySH console session for PHP', ('psysh',), (), ()),
+    'PugLexer': ('pip._vendor.pygments.lexers.html', 'Pug', ('pug', 'jade'), ('*.pug', '*.jade'), ('text/x-pug', 'text/x-jade')),
+    'PuppetLexer': ('pip._vendor.pygments.lexers.dsls', 'Puppet', ('puppet',), ('*.pp',), ()),
+    'PyPyLogLexer': ('pip._vendor.pygments.lexers.console', 'PyPy Log', ('pypylog', 'pypy'), ('*.pypylog',), ('application/x-pypylog',)),
+    'Python2Lexer': ('pip._vendor.pygments.lexers.python', 'Python 2.x', ('python2', 'py2'), (), ('text/x-python2', 'application/x-python2')),
+    'Python2TracebackLexer': ('pip._vendor.pygments.lexers.python', 'Python 2.x Traceback', ('py2tb',), ('*.py2tb',), ('text/x-python2-traceback',)),
+    'PythonConsoleLexer': ('pip._vendor.pygments.lexers.python', 'Python console session', ('pycon',), (), ('text/x-python-doctest',)),
+    'PythonLexer': ('pip._vendor.pygments.lexers.python', 'Python', ('python', 'py', 'sage', 'python3', 'py3'), ('*.py', '*.pyw', '*.pyi', '*.jy', '*.sage', '*.sc', 'SConstruct', 'SConscript', '*.bzl', 'BUCK', 'BUILD', 'BUILD.bazel', 'WORKSPACE', '*.tac'), ('text/x-python', 'application/x-python', 'text/x-python3', 'application/x-python3')),
+    'PythonTracebackLexer': ('pip._vendor.pygments.lexers.python', 'Python Traceback', ('pytb', 'py3tb'), ('*.pytb', '*.py3tb'), ('text/x-python-traceback', 'text/x-python3-traceback')),
+    'PythonUL4Lexer': ('pip._vendor.pygments.lexers.ul4', 'Python+UL4', ('py+ul4',), ('*.pyul4',), ()),
+    'QBasicLexer': ('pip._vendor.pygments.lexers.basic', 'QBasic', ('qbasic', 'basic'), ('*.BAS', '*.bas'), ('text/basic',)),
+    'QLexer': ('pip._vendor.pygments.lexers.q', 'Q', ('q',), ('*.q',), ()),
+    'QVToLexer': ('pip._vendor.pygments.lexers.qvt', 'QVTO', ('qvto', 'qvt'), ('*.qvto',), ()),
+    'QlikLexer': ('pip._vendor.pygments.lexers.qlik', 'Qlik', ('qlik', 'qlikview', 'qliksense', 'qlikscript'), ('*.qvs', '*.qvw'), ()),
+    'QmlLexer': ('pip._vendor.pygments.lexers.webmisc', 'QML', ('qml', 'qbs'), ('*.qml', '*.qbs'), ('application/x-qml', 'application/x-qt.qbs+qml')),
+    'RConsoleLexer': ('pip._vendor.pygments.lexers.r', 'RConsole', ('rconsole', 'rout'), ('*.Rout',), ()),
+    'RNCCompactLexer': ('pip._vendor.pygments.lexers.rnc', 'Relax-NG Compact', ('rng-compact', 'rnc'), ('*.rnc',), ()),
+    'RPMSpecLexer': ('pip._vendor.pygments.lexers.installers', 'RPMSpec', ('spec',), ('*.spec',), ('text/x-rpm-spec',)),
+    'RacketLexer': ('pip._vendor.pygments.lexers.lisp', 'Racket', ('racket', 'rkt'), ('*.rkt', '*.rktd', '*.rktl'), ('text/x-racket', 'application/x-racket')),
+    'RagelCLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in C Host', ('ragel-c',), ('*.rl',), ()),
+    'RagelCppLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in CPP Host', ('ragel-cpp',), ('*.rl',), ()),
+    'RagelDLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in D Host', ('ragel-d',), ('*.rl',), ()),
+    'RagelEmbeddedLexer': ('pip._vendor.pygments.lexers.parsers', 'Embedded Ragel', ('ragel-em',), ('*.rl',), ()),
+    'RagelJavaLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in Java Host', ('ragel-java',), ('*.rl',), ()),
+    'RagelLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel', ('ragel',), (), ()),
+    'RagelObjectiveCLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in Objective C Host', ('ragel-objc',), ('*.rl',), ()),
+    'RagelRubyLexer': ('pip._vendor.pygments.lexers.parsers', 'Ragel in Ruby Host', ('ragel-ruby', 'ragel-rb'), ('*.rl',), ()),
+    'RawTokenLexer': ('pip._vendor.pygments.lexers.special', 'Raw token data', (), (), ('application/x-pygments-tokens',)),
+    'RdLexer': ('pip._vendor.pygments.lexers.r', 'Rd', ('rd',), ('*.Rd',), ('text/x-r-doc',)),
+    'ReasonLexer': ('pip._vendor.pygments.lexers.ml', 'ReasonML', ('reasonml', 'reason'), ('*.re', '*.rei'), ('text/x-reasonml',)),
+    'RebolLexer': ('pip._vendor.pygments.lexers.rebol', 'REBOL', ('rebol',), ('*.r', '*.r3', '*.reb'), ('text/x-rebol',)),
+    'RedLexer': ('pip._vendor.pygments.lexers.rebol', 'Red', ('red', 'red/system'), ('*.red', '*.reds'), ('text/x-red', 'text/x-red-system')),
+    'RedcodeLexer': ('pip._vendor.pygments.lexers.esoteric', 'Redcode', ('redcode',), ('*.cw',), ()),
+    'RegeditLexer': ('pip._vendor.pygments.lexers.configs', 'reg', ('registry',), ('*.reg',), ('text/x-windows-registry',)),
+    'ResourceLexer': ('pip._vendor.pygments.lexers.resource', 'ResourceBundle', ('resourcebundle', 'resource'), (), ()),
+    'RexxLexer': ('pip._vendor.pygments.lexers.scripting', 'Rexx', ('rexx', 'arexx'), ('*.rexx', '*.rex', '*.rx', '*.arexx'), ('text/x-rexx',)),
+    'RhtmlLexer': ('pip._vendor.pygments.lexers.templates', 'RHTML', ('rhtml', 'html+erb', 'html+ruby'), ('*.rhtml',), ('text/html+ruby',)),
+    'RideLexer': ('pip._vendor.pygments.lexers.ride', 'Ride', ('ride',), ('*.ride',), ('text/x-ride',)),
+    'RitaLexer': ('pip._vendor.pygments.lexers.rita', 'Rita', ('rita',), ('*.rita',), ('text/rita',)),
+    'RoboconfGraphLexer': ('pip._vendor.pygments.lexers.roboconf', 'Roboconf Graph', ('roboconf-graph',), ('*.graph',), ()),
+    'RoboconfInstancesLexer': ('pip._vendor.pygments.lexers.roboconf', 'Roboconf Instances', ('roboconf-instances',), ('*.instances',), ()),
+    'RobotFrameworkLexer': ('pip._vendor.pygments.lexers.robotframework', 'RobotFramework', ('robotframework',), ('*.robot', '*.resource'), ('text/x-robotframework',)),
+    'RqlLexer': ('pip._vendor.pygments.lexers.sql', 'RQL', ('rql',), ('*.rql',), ('text/x-rql',)),
+    'RslLexer': ('pip._vendor.pygments.lexers.dsls', 'RSL', ('rsl',), ('*.rsl',), ('text/rsl',)),
+    'RstLexer': ('pip._vendor.pygments.lexers.markup', 'reStructuredText', ('restructuredtext', 'rst', 'rest'), ('*.rst', '*.rest'), ('text/x-rst', 'text/prs.fallenstein.rst')),
+    'RtsLexer': ('pip._vendor.pygments.lexers.trafficscript', 'TrafficScript', ('trafficscript', 'rts'), ('*.rts',), ()),
+    'RubyConsoleLexer': ('pip._vendor.pygments.lexers.ruby', 'Ruby irb session', ('rbcon', 'irb'), (), ('text/x-ruby-shellsession',)),
+    'RubyLexer': ('pip._vendor.pygments.lexers.ruby', 'Ruby', ('ruby', 'rb', 'duby'), ('*.rb', '*.rbw', 'Rakefile', '*.rake', '*.gemspec', '*.rbx', '*.duby', 'Gemfile', 'Vagrantfile'), ('text/x-ruby', 'application/x-ruby')),
+    'RustLexer': ('pip._vendor.pygments.lexers.rust', 'Rust', ('rust', 'rs'), ('*.rs', '*.rs.in'), ('text/rust', 'text/x-rust')),
+    'SASLexer': ('pip._vendor.pygments.lexers.sas', 'SAS', ('sas',), ('*.SAS', '*.sas'), ('text/x-sas', 'text/sas', 'application/x-sas')),
+    'SLexer': ('pip._vendor.pygments.lexers.r', 'S', ('splus', 's', 'r'), ('*.S', '*.R', '.Rhistory', '.Rprofile', '.Renviron'), ('text/S-plus', 'text/S', 'text/x-r-source', 'text/x-r', 'text/x-R', 'text/x-r-history', 'text/x-r-profile')),
+    'SMLLexer': ('pip._vendor.pygments.lexers.ml', 'Standard ML', ('sml',), ('*.sml', '*.sig', '*.fun'), ('text/x-standardml', 'application/x-standardml')),
+    'SNBTLexer': ('pip._vendor.pygments.lexers.minecraft', 'SNBT', ('snbt',), ('*.snbt',), ('text/snbt',)),
+    'SarlLexer': ('pip._vendor.pygments.lexers.jvm', 'SARL', ('sarl',), ('*.sarl',), ('text/x-sarl',)),
+    'SassLexer': ('pip._vendor.pygments.lexers.css', 'Sass', ('sass',), ('*.sass',), ('text/x-sass',)),
+    'SaviLexer': ('pip._vendor.pygments.lexers.savi', 'Savi', ('savi',), ('*.savi',), ()),
+    'ScalaLexer': ('pip._vendor.pygments.lexers.jvm', 'Scala', ('scala',), ('*.scala',), ('text/x-scala',)),
+    'ScamlLexer': ('pip._vendor.pygments.lexers.html', 'Scaml', ('scaml',), ('*.scaml',), ('text/x-scaml',)),
+    'ScdocLexer': ('pip._vendor.pygments.lexers.scdoc', 'scdoc', ('scdoc', 'scd'), ('*.scd', '*.scdoc'), ()),
+    'SchemeLexer': ('pip._vendor.pygments.lexers.lisp', 'Scheme', ('scheme', 'scm'), ('*.scm', '*.ss'), ('text/x-scheme', 'application/x-scheme')),
+    'ScilabLexer': ('pip._vendor.pygments.lexers.matlab', 'Scilab', ('scilab',), ('*.sci', '*.sce', '*.tst'), ('text/scilab',)),
+    'ScssLexer': ('pip._vendor.pygments.lexers.css', 'SCSS', ('scss',), ('*.scss',), ('text/x-scss',)),
+    'SedLexer': ('pip._vendor.pygments.lexers.textedit', 'Sed', ('sed', 'gsed', 'ssed'), ('*.sed', '*.[gs]sed'), ('text/x-sed',)),
+    'ShExCLexer': ('pip._vendor.pygments.lexers.rdf', 'ShExC', ('shexc', 'shex'), ('*.shex',), ('text/shex',)),
+    'ShenLexer': ('pip._vendor.pygments.lexers.lisp', 'Shen', ('shen',), ('*.shen',), ('text/x-shen', 'application/x-shen')),
+    'SieveLexer': ('pip._vendor.pygments.lexers.sieve', 'Sieve', ('sieve',), ('*.siv', '*.sieve'), ()),
+    'SilverLexer': ('pip._vendor.pygments.lexers.verification', 'Silver', ('silver',), ('*.sil', '*.vpr'), ()),
+    'SingularityLexer': ('pip._vendor.pygments.lexers.configs', 'Singularity', ('singularity',), ('*.def', 'Singularity'), ()),
+    'SlashLexer': ('pip._vendor.pygments.lexers.slash', 'Slash', ('slash',), ('*.sla',), ()),
+    'SlimLexer': ('pip._vendor.pygments.lexers.webmisc', 'Slim', ('slim',), ('*.slim',), ('text/x-slim',)),
+    'SlurmBashLexer': ('pip._vendor.pygments.lexers.shell', 'Slurm', ('slurm', 'sbatch'), ('*.sl',), ()),
+    'SmaliLexer': ('pip._vendor.pygments.lexers.dalvik', 'Smali', ('smali',), ('*.smali',), ('text/smali',)),
+    'SmalltalkLexer': ('pip._vendor.pygments.lexers.smalltalk', 'Smalltalk', ('smalltalk', 'squeak', 'st'), ('*.st',), ('text/x-smalltalk',)),
+    'SmartGameFormatLexer': ('pip._vendor.pygments.lexers.sgf', 'SmartGameFormat', ('sgf',), ('*.sgf',), ()),
+    'SmartyLexer': ('pip._vendor.pygments.lexers.templates', 'Smarty', ('smarty',), ('*.tpl',), ('application/x-smarty',)),
+    'SmithyLexer': ('pip._vendor.pygments.lexers.smithy', 'Smithy', ('smithy',), ('*.smithy',), ()),
+    'SnobolLexer': ('pip._vendor.pygments.lexers.snobol', 'Snobol', ('snobol',), ('*.snobol',), ('text/x-snobol',)),
+    'SnowballLexer': ('pip._vendor.pygments.lexers.dsls', 'Snowball', ('snowball',), ('*.sbl',), ()),
+    'SolidityLexer': ('pip._vendor.pygments.lexers.solidity', 'Solidity', ('solidity',), ('*.sol',), ()),
+    'SophiaLexer': ('pip._vendor.pygments.lexers.sophia', 'Sophia', ('sophia',), ('*.aes',), ()),
+    'SourcePawnLexer': ('pip._vendor.pygments.lexers.pawn', 'SourcePawn', ('sp',), ('*.sp',), ('text/x-sourcepawn',)),
+    'SourcesListLexer': ('pip._vendor.pygments.lexers.installers', 'Debian Sourcelist', ('debsources', 'sourceslist', 'sources.list'), ('sources.list',), ()),
+    'SparqlLexer': ('pip._vendor.pygments.lexers.rdf', 'SPARQL', ('sparql',), ('*.rq', '*.sparql'), ('application/sparql-query',)),
+    'SpiceLexer': ('pip._vendor.pygments.lexers.spice', 'Spice', ('spice', 'spicelang'), ('*.spice',), ('text/x-spice',)),
+    'SqlJinjaLexer': ('pip._vendor.pygments.lexers.templates', 'SQL+Jinja', ('sql+jinja',), ('*.sql', '*.sql.j2', '*.sql.jinja2'), ()),
+    'SqlLexer': ('pip._vendor.pygments.lexers.sql', 'SQL', ('sql',), ('*.sql',), ('text/x-sql',)),
+    'SqliteConsoleLexer': ('pip._vendor.pygments.lexers.sql', 'sqlite3con', ('sqlite3',), ('*.sqlite3-console',), ('text/x-sqlite3-console',)),
+    'SquidConfLexer': ('pip._vendor.pygments.lexers.configs', 'SquidConf', ('squidconf', 'squid.conf', 'squid'), ('squid.conf',), ('text/x-squidconf',)),
+    'SrcinfoLexer': ('pip._vendor.pygments.lexers.srcinfo', 'Srcinfo', ('srcinfo',), ('.SRCINFO',), ()),
+    'SspLexer': ('pip._vendor.pygments.lexers.templates', 'Scalate Server Page', ('ssp',), ('*.ssp',), ('application/x-ssp',)),
+    'StanLexer': ('pip._vendor.pygments.lexers.modeling', 'Stan', ('stan',), ('*.stan',), ()),
+    'StataLexer': ('pip._vendor.pygments.lexers.stata', 'Stata', ('stata', 'do'), ('*.do', '*.ado'), ('text/x-stata', 'text/stata', 'application/x-stata')),
+    'SuperColliderLexer': ('pip._vendor.pygments.lexers.supercollider', 'SuperCollider', ('supercollider', 'sc'), ('*.sc', '*.scd'), ('application/supercollider', 'text/supercollider')),
+    'SwiftLexer': ('pip._vendor.pygments.lexers.objective', 'Swift', ('swift',), ('*.swift',), ('text/x-swift',)),
+    'SwigLexer': ('pip._vendor.pygments.lexers.c_like', 'SWIG', ('swig',), ('*.swg', '*.i'), ('text/swig',)),
+    'SystemVerilogLexer': ('pip._vendor.pygments.lexers.hdl', 'systemverilog', ('systemverilog', 'sv'), ('*.sv', '*.svh'), ('text/x-systemverilog',)),
+    'TAPLexer': ('pip._vendor.pygments.lexers.testing', 'TAP', ('tap',), ('*.tap',), ()),
+    'TNTLexer': ('pip._vendor.pygments.lexers.tnt', 'Typographic Number Theory', ('tnt',), ('*.tnt',), ()),
+    'TOMLLexer': ('pip._vendor.pygments.lexers.configs', 'TOML', ('toml',), ('*.toml', 'Pipfile', 'poetry.lock'), ()),
+    'Tads3Lexer': ('pip._vendor.pygments.lexers.int_fiction', 'TADS 3', ('tads3',), ('*.t',), ()),
+    'TalLexer': ('pip._vendor.pygments.lexers.tal', 'Tal', ('tal', 'uxntal'), ('*.tal',), ('text/x-uxntal',)),
+    'TasmLexer': ('pip._vendor.pygments.lexers.asm', 'TASM', ('tasm',), ('*.asm', '*.ASM', '*.tasm'), ('text/x-tasm',)),
+    'TclLexer': ('pip._vendor.pygments.lexers.tcl', 'Tcl', ('tcl',), ('*.tcl', '*.rvt'), ('text/x-tcl', 'text/x-script.tcl', 'application/x-tcl')),
+    'TcshLexer': ('pip._vendor.pygments.lexers.shell', 'Tcsh', ('tcsh', 'csh'), ('*.tcsh', '*.csh'), ('application/x-csh',)),
+    'TcshSessionLexer': ('pip._vendor.pygments.lexers.shell', 'Tcsh Session', ('tcshcon',), (), ()),
+    'TeaTemplateLexer': ('pip._vendor.pygments.lexers.templates', 'Tea', ('tea',), ('*.tea',), ('text/x-tea',)),
+    'TealLexer': ('pip._vendor.pygments.lexers.teal', 'teal', ('teal',), ('*.teal',), ()),
+    'TeraTermLexer': ('pip._vendor.pygments.lexers.teraterm', 'Tera Term macro', ('teratermmacro', 'teraterm', 'ttl'), ('*.ttl',), ('text/x-teratermmacro',)),
+    'TermcapLexer': ('pip._vendor.pygments.lexers.configs', 'Termcap', ('termcap',), ('termcap', 'termcap.src'), ()),
+    'TerminfoLexer': ('pip._vendor.pygments.lexers.configs', 'Terminfo', ('terminfo',), ('terminfo', 'terminfo.src'), ()),
+    'TerraformLexer': ('pip._vendor.pygments.lexers.configs', 'Terraform', ('terraform', 'tf', 'hcl'), ('*.tf', '*.hcl'), ('application/x-tf', 'application/x-terraform')),
+    'TexLexer': ('pip._vendor.pygments.lexers.markup', 'TeX', ('tex', 'latex'), ('*.tex', '*.aux', '*.toc'), ('text/x-tex', 'text/x-latex')),
+    'TextLexer': ('pip._vendor.pygments.lexers.special', 'Text only', ('text',), ('*.txt',), ('text/plain',)),
+    'ThingsDBLexer': ('pip._vendor.pygments.lexers.thingsdb', 'ThingsDB', ('ti', 'thingsdb'), ('*.ti',), ()),
+    'ThriftLexer': ('pip._vendor.pygments.lexers.dsls', 'Thrift', ('thrift',), ('*.thrift',), ('application/x-thrift',)),
+    'TiddlyWiki5Lexer': ('pip._vendor.pygments.lexers.markup', 'tiddler', ('tid',), ('*.tid',), ('text/vnd.tiddlywiki',)),
+    'TlbLexer': ('pip._vendor.pygments.lexers.tlb', 'Tl-b', ('tlb',), ('*.tlb',), ()),
+    'TodotxtLexer': ('pip._vendor.pygments.lexers.textfmts', 'Todotxt', ('todotxt',), ('todo.txt', '*.todotxt'), ('text/x-todo',)),
+    'TransactSqlLexer': ('pip._vendor.pygments.lexers.sql', 'Transact-SQL', ('tsql', 't-sql'), ('*.sql',), ('text/x-tsql',)),
+    'TreetopLexer': ('pip._vendor.pygments.lexers.parsers', 'Treetop', ('treetop',), ('*.treetop', '*.tt'), ()),
+    'TurtleLexer': ('pip._vendor.pygments.lexers.rdf', 'Turtle', ('turtle',), ('*.ttl',), ('text/turtle', 'application/x-turtle')),
+    'TwigHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Twig', ('html+twig',), ('*.twig',), ('text/html+twig',)),
+    'TwigLexer': ('pip._vendor.pygments.lexers.templates', 'Twig', ('twig',), (), ('application/x-twig',)),
+    'TypeScriptLexer': ('pip._vendor.pygments.lexers.javascript', 'TypeScript', ('typescript', 'ts'), ('*.ts',), ('application/x-typescript', 'text/x-typescript')),
+    'TypoScriptCssDataLexer': ('pip._vendor.pygments.lexers.typoscript', 'TypoScriptCssData', ('typoscriptcssdata',), (), ()),
+    'TypoScriptHtmlDataLexer': ('pip._vendor.pygments.lexers.typoscript', 'TypoScriptHtmlData', ('typoscripthtmldata',), (), ()),
+    'TypoScriptLexer': ('pip._vendor.pygments.lexers.typoscript', 'TypoScript', ('typoscript',), ('*.typoscript',), ('text/x-typoscript',)),
+    'UL4Lexer': ('pip._vendor.pygments.lexers.ul4', 'UL4', ('ul4',), ('*.ul4',), ()),
+    'UcodeLexer': ('pip._vendor.pygments.lexers.unicon', 'ucode', ('ucode',), ('*.u', '*.u1', '*.u2'), ()),
+    'UniconLexer': ('pip._vendor.pygments.lexers.unicon', 'Unicon', ('unicon',), ('*.icn',), ('text/unicon',)),
+    'UnixConfigLexer': ('pip._vendor.pygments.lexers.configs', 'Unix/Linux config files', ('unixconfig', 'linuxconfig'), (), ()),
+    'UrbiscriptLexer': ('pip._vendor.pygments.lexers.urbi', 'UrbiScript', ('urbiscript',), ('*.u',), ('application/x-urbiscript',)),
+    'UsdLexer': ('pip._vendor.pygments.lexers.usd', 'USD', ('usd', 'usda'), ('*.usd', '*.usda'), ()),
+    'VBScriptLexer': ('pip._vendor.pygments.lexers.basic', 'VBScript', ('vbscript',), ('*.vbs', '*.VBS'), ()),
+    'VCLLexer': ('pip._vendor.pygments.lexers.varnish', 'VCL', ('vcl',), ('*.vcl',), ('text/x-vclsrc',)),
+    'VCLSnippetLexer': ('pip._vendor.pygments.lexers.varnish', 'VCLSnippets', ('vclsnippets', 'vclsnippet'), (), ('text/x-vclsnippet',)),
+    'VCTreeStatusLexer': ('pip._vendor.pygments.lexers.console', 'VCTreeStatus', ('vctreestatus',), (), ()),
+    'VGLLexer': ('pip._vendor.pygments.lexers.dsls', 'VGL', ('vgl',), ('*.rpf',), ()),
+    'ValaLexer': ('pip._vendor.pygments.lexers.c_like', 'Vala', ('vala', 'vapi'), ('*.vala', '*.vapi'), ('text/x-vala',)),
+    'VbNetAspxLexer': ('pip._vendor.pygments.lexers.dotnet', 'aspx-vb', ('aspx-vb',), ('*.aspx', '*.asax', '*.ascx', '*.ashx', '*.asmx', '*.axd'), ()),
+    'VbNetLexer': ('pip._vendor.pygments.lexers.dotnet', 'VB.net', ('vb.net', 'vbnet', 'lobas', 'oobas', 'sobas'), ('*.vb', '*.bas'), ('text/x-vbnet', 'text/x-vba')),
+    'VelocityHtmlLexer': ('pip._vendor.pygments.lexers.templates', 'HTML+Velocity', ('html+velocity',), (), ('text/html+velocity',)),
+    'VelocityLexer': ('pip._vendor.pygments.lexers.templates', 'Velocity', ('velocity',), ('*.vm', '*.fhtml'), ()),
+    'VelocityXmlLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Velocity', ('xml+velocity',), (), ('application/xml+velocity',)),
+    'VerilogLexer': ('pip._vendor.pygments.lexers.hdl', 'verilog', ('verilog', 'v'), ('*.v',), ('text/x-verilog',)),
+    'VhdlLexer': ('pip._vendor.pygments.lexers.hdl', 'vhdl', ('vhdl',), ('*.vhdl', '*.vhd'), ('text/x-vhdl',)),
+    'VimLexer': ('pip._vendor.pygments.lexers.textedit', 'VimL', ('vim',), ('*.vim', '.vimrc', '.exrc', '.gvimrc', '_vimrc', '_exrc', '_gvimrc', 'vimrc', 'gvimrc'), ('text/x-vim',)),
+    'WDiffLexer': ('pip._vendor.pygments.lexers.diff', 'WDiff', ('wdiff',), ('*.wdiff',), ()),
+    'WatLexer': ('pip._vendor.pygments.lexers.webassembly', 'WebAssembly', ('wast', 'wat'), ('*.wat', '*.wast'), ()),
+    'WebIDLLexer': ('pip._vendor.pygments.lexers.webidl', 'Web IDL', ('webidl',), ('*.webidl',), ()),
+    'WgslLexer': ('pip._vendor.pygments.lexers.wgsl', 'WebGPU Shading Language', ('wgsl',), ('*.wgsl',), ('text/wgsl',)),
+    'WhileyLexer': ('pip._vendor.pygments.lexers.whiley', 'Whiley', ('whiley',), ('*.whiley',), ('text/x-whiley',)),
+    'WikitextLexer': ('pip._vendor.pygments.lexers.markup', 'Wikitext', ('wikitext', 'mediawiki'), (), ('text/x-wiki',)),
+    'WoWTocLexer': ('pip._vendor.pygments.lexers.wowtoc', 'World of Warcraft TOC', ('wowtoc',), ('*.toc',), ()),
+    'WrenLexer': ('pip._vendor.pygments.lexers.wren', 'Wren', ('wren',), ('*.wren',), ()),
+    'X10Lexer': ('pip._vendor.pygments.lexers.x10', 'X10', ('x10', 'xten'), ('*.x10',), ('text/x-x10',)),
+    'XMLUL4Lexer': ('pip._vendor.pygments.lexers.ul4', 'XML+UL4', ('xml+ul4',), ('*.xmlul4',), ()),
+    'XQueryLexer': ('pip._vendor.pygments.lexers.webmisc', 'XQuery', ('xquery', 'xqy', 'xq', 'xql', 'xqm'), ('*.xqy', '*.xquery', '*.xq', '*.xql', '*.xqm'), ('text/xquery', 'application/xquery')),
+    'XmlDjangoLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Django/Jinja', ('xml+django', 'xml+jinja'), ('*.xml.j2', '*.xml.jinja2'), ('application/xml+django', 'application/xml+jinja')),
+    'XmlErbLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Ruby', ('xml+ruby', 'xml+erb'), (), ('application/xml+ruby',)),
+    'XmlLexer': ('pip._vendor.pygments.lexers.html', 'XML', ('xml',), ('*.xml', '*.xsl', '*.rss', '*.xslt', '*.xsd', '*.wsdl', '*.wsf'), ('text/xml', 'application/xml', 'image/svg+xml', 'application/rss+xml', 'application/atom+xml')),
+    'XmlPhpLexer': ('pip._vendor.pygments.lexers.templates', 'XML+PHP', ('xml+php',), (), ('application/xml+php',)),
+    'XmlSmartyLexer': ('pip._vendor.pygments.lexers.templates', 'XML+Smarty', ('xml+smarty',), (), ('application/xml+smarty',)),
+    'XorgLexer': ('pip._vendor.pygments.lexers.xorg', 'Xorg', ('xorg.conf',), ('xorg.conf',), ()),
+    'XppLexer': ('pip._vendor.pygments.lexers.dotnet', 'X++', ('xpp', 'x++'), ('*.xpp',), ()),
+    'XsltLexer': ('pip._vendor.pygments.lexers.html', 'XSLT', ('xslt',), ('*.xsl', '*.xslt', '*.xpl'), ('application/xsl+xml', 'application/xslt+xml')),
+    'XtendLexer': ('pip._vendor.pygments.lexers.jvm', 'Xtend', ('xtend',), ('*.xtend',), ('text/x-xtend',)),
+    'XtlangLexer': ('pip._vendor.pygments.lexers.lisp', 'xtlang', ('extempore',), ('*.xtm',), ()),
+    'YamlJinjaLexer': ('pip._vendor.pygments.lexers.templates', 'YAML+Jinja', ('yaml+jinja', 'salt', 'sls'), ('*.sls', '*.yaml.j2', '*.yml.j2', '*.yaml.jinja2', '*.yml.jinja2'), ('text/x-yaml+jinja', 'text/x-sls')),
+    'YamlLexer': ('pip._vendor.pygments.lexers.data', 'YAML', ('yaml',), ('*.yaml', '*.yml'), ('text/x-yaml',)),
+    'YangLexer': ('pip._vendor.pygments.lexers.yang', 'YANG', ('yang',), ('*.yang',), ('application/yang',)),
+    'ZeekLexer': ('pip._vendor.pygments.lexers.dsls', 'Zeek', ('zeek', 'bro'), ('*.zeek', '*.bro'), ()),
+    'ZephirLexer': ('pip._vendor.pygments.lexers.php', 'Zephir', ('zephir',), ('*.zep',), ()),
+    'ZigLexer': ('pip._vendor.pygments.lexers.zig', 'Zig', ('zig',), ('*.zig',), ('text/zig',)),
+    'apdlexer': ('pip._vendor.pygments.lexers.apdlexer', 'ANSYS parametric design language', ('ansys', 'apdl'), ('*.ans',), ()),
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexers/python.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexers/python.py
new file mode 100644
index 00000000..e9bf2d33
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/lexers/python.py
@@ -0,0 +1,1198 @@
+"""
+    pygments.lexers.python
+    ~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for Python and related languages.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+import keyword
+
+from pip._vendor.pygments.lexer import DelegatingLexer, Lexer, RegexLexer, include, \
+    bygroups, using, default, words, combined, do_insertions, this, line_re
+from pip._vendor.pygments.util import get_bool_opt, shebang_matches
+from pip._vendor.pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Generic, Other, Error, Whitespace
+from pip._vendor.pygments import unistring as uni
+
+__all__ = ['PythonLexer', 'PythonConsoleLexer', 'PythonTracebackLexer',
+           'Python2Lexer', 'Python2TracebackLexer',
+           'CythonLexer', 'DgLexer', 'NumPyLexer']
+
+
+class PythonLexer(RegexLexer):
+    """
+    For Python source code (version 3.x).
+
+    .. versionadded:: 0.10
+
+    .. versionchanged:: 2.5
+       This is now the default ``PythonLexer``.  It is still available as the
+       alias ``Python3Lexer``.
+    """
+
+    name = 'Python'
+    url = 'http://www.python.org'
+    aliases = ['python', 'py', 'sage', 'python3', 'py3']
+    filenames = [
+        '*.py',
+        '*.pyw',
+        # Type stubs
+        '*.pyi',
+        # Jython
+        '*.jy',
+        # Sage
+        '*.sage',
+        # SCons
+        '*.sc',
+        'SConstruct',
+        'SConscript',
+        # Skylark/Starlark (used by Bazel, Buck, and Pants)
+        '*.bzl',
+        'BUCK',
+        'BUILD',
+        'BUILD.bazel',
+        'WORKSPACE',
+        # Twisted Application infrastructure
+        '*.tac',
+    ]
+    mimetypes = ['text/x-python', 'application/x-python',
+                 'text/x-python3', 'application/x-python3']
+
+    uni_name = "[%s][%s]*" % (uni.xid_start, uni.xid_continue)
+
+    def innerstring_rules(ttype):
+        return [
+            # the old style '%s' % (...) string formatting (still valid in Py3)
+            (r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsaux%]', String.Interpol),
+            # the new style '{}'.format(...) string formatting
+            (r'\{'
+             r'((\w+)((\.\w+)|(\[[^\]]+\]))*)?'  # field name
+             r'(\![sra])?'                       # conversion
+             r'(\:(.?[<>=\^])?[-+ ]?#?0?(\d+)?,?(\.\d+)?[E-GXb-gnosx%]?)?'
+             r'\}', String.Interpol),
+
+            # backslashes, quotes and formatting signs must be parsed one at a time
+            (r'[^\\\'"%{\n]+', ttype),
+            (r'[\'"\\]', ttype),
+            # unhandled string formatting sign
+            (r'%|(\{{1,2})', ttype)
+            # newlines are an error (use "nl" state)
+        ]
+
+    def fstring_rules(ttype):
+        return [
+            # Assuming that a '}' is the closing brace after format specifier.
+            # Sadly, this means that we won't detect syntax error. But it's
+            # more important to parse correct syntax correctly, than to
+            # highlight invalid syntax.
+            (r'\}', String.Interpol),
+            (r'\{', String.Interpol, 'expr-inside-fstring'),
+            # backslashes, quotes and formatting signs must be parsed one at a time
+            (r'[^\\\'"{}\n]+', ttype),
+            (r'[\'"\\]', ttype),
+            # newlines are an error (use "nl" state)
+        ]
+
+    tokens = {
+        'root': [
+            (r'\n', Whitespace),
+            (r'^(\s*)([rRuUbB]{,2})("""(?:.|\n)*?""")',
+             bygroups(Whitespace, String.Affix, String.Doc)),
+            (r"^(\s*)([rRuUbB]{,2})('''(?:.|\n)*?''')",
+             bygroups(Whitespace, String.Affix, String.Doc)),
+            (r'\A#!.+$', Comment.Hashbang),
+            (r'#.*$', Comment.Single),
+            (r'\\\n', Text),
+            (r'\\', Text),
+            include('keywords'),
+            include('soft-keywords'),
+            (r'(def)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'funcname'),
+            (r'(class)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'classname'),
+            (r'(from)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'fromimport'),
+            (r'(import)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'import'),
+            include('expr'),
+        ],
+        'expr': [
+            # raw f-strings
+            ('(?i)(rf|fr)(""")',
+             bygroups(String.Affix, String.Double),
+             combined('rfstringescape', 'tdqf')),
+            ("(?i)(rf|fr)(''')",
+             bygroups(String.Affix, String.Single),
+             combined('rfstringescape', 'tsqf')),
+            ('(?i)(rf|fr)(")',
+             bygroups(String.Affix, String.Double),
+             combined('rfstringescape', 'dqf')),
+            ("(?i)(rf|fr)(')",
+             bygroups(String.Affix, String.Single),
+             combined('rfstringescape', 'sqf')),
+            # non-raw f-strings
+            ('([fF])(""")', bygroups(String.Affix, String.Double),
+             combined('fstringescape', 'tdqf')),
+            ("([fF])(''')", bygroups(String.Affix, String.Single),
+             combined('fstringescape', 'tsqf')),
+            ('([fF])(")', bygroups(String.Affix, String.Double),
+             combined('fstringescape', 'dqf')),
+            ("([fF])(')", bygroups(String.Affix, String.Single),
+             combined('fstringescape', 'sqf')),
+            # raw bytes and strings
+            ('(?i)(rb|br|r)(""")',
+             bygroups(String.Affix, String.Double), 'tdqs'),
+            ("(?i)(rb|br|r)(''')",
+             bygroups(String.Affix, String.Single), 'tsqs'),
+            ('(?i)(rb|br|r)(")',
+             bygroups(String.Affix, String.Double), 'dqs'),
+            ("(?i)(rb|br|r)(')",
+             bygroups(String.Affix, String.Single), 'sqs'),
+            # non-raw strings
+            ('([uU]?)(""")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'tdqs')),
+            ("([uU]?)(''')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'tsqs')),
+            ('([uU]?)(")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'dqs')),
+            ("([uU]?)(')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'sqs')),
+            # non-raw bytes
+            ('([bB])(""")', bygroups(String.Affix, String.Double),
+             combined('bytesescape', 'tdqs')),
+            ("([bB])(''')", bygroups(String.Affix, String.Single),
+             combined('bytesescape', 'tsqs')),
+            ('([bB])(")', bygroups(String.Affix, String.Double),
+             combined('bytesescape', 'dqs')),
+            ("([bB])(')", bygroups(String.Affix, String.Single),
+             combined('bytesescape', 'sqs')),
+
+            (r'[^\S\n]+', Text),
+            include('numbers'),
+            (r'!=|==|<<|>>|:=|[-~+/*%=<>&^|.]', Operator),
+            (r'[]{}:(),;[]', Punctuation),
+            (r'(in|is|and|or|not)\b', Operator.Word),
+            include('expr-keywords'),
+            include('builtins'),
+            include('magicfuncs'),
+            include('magicvars'),
+            include('name'),
+        ],
+        'expr-inside-fstring': [
+            (r'[{([]', Punctuation, 'expr-inside-fstring-inner'),
+            # without format specifier
+            (r'(=\s*)?'         # debug (https://bugs.python.org/issue36817)
+             r'(\![sraf])?'     # conversion
+             r'\}', String.Interpol, '#pop'),
+            # with format specifier
+            # we'll catch the remaining '}' in the outer scope
+            (r'(=\s*)?'         # debug (https://bugs.python.org/issue36817)
+             r'(\![sraf])?'     # conversion
+             r':', String.Interpol, '#pop'),
+            (r'\s+', Whitespace),  # allow new lines
+            include('expr'),
+        ],
+        'expr-inside-fstring-inner': [
+            (r'[{([]', Punctuation, 'expr-inside-fstring-inner'),
+            (r'[])}]', Punctuation, '#pop'),
+            (r'\s+', Whitespace),  # allow new lines
+            include('expr'),
+        ],
+        'expr-keywords': [
+            # Based on https://docs.python.org/3/reference/expressions.html
+            (words((
+                'async for', 'await', 'else', 'for', 'if', 'lambda',
+                'yield', 'yield from'), suffix=r'\b'),
+             Keyword),
+            (words(('True', 'False', 'None'), suffix=r'\b'), Keyword.Constant),
+        ],
+        'keywords': [
+            (words((
+                'assert', 'async', 'await', 'break', 'continue', 'del', 'elif',
+                'else', 'except', 'finally', 'for', 'global', 'if', 'lambda',
+                'pass', 'raise', 'nonlocal', 'return', 'try', 'while', 'yield',
+                'yield from', 'as', 'with'), suffix=r'\b'),
+             Keyword),
+            (words(('True', 'False', 'None'), suffix=r'\b'), Keyword.Constant),
+        ],
+        'soft-keywords': [
+            # `match`, `case` and `_` soft keywords
+            (r'(^[ \t]*)'              # at beginning of line + possible indentation
+             r'(match|case)\b'         # a possible keyword
+             r'(?![ \t]*(?:'           # not followed by...
+             r'[:,;=^&|@~)\]}]|(?:' +  # characters and keywords that mean this isn't
+             r'|'.join(keyword.kwlist) + r')\b))',                 # pattern matching
+             bygroups(Text, Keyword), 'soft-keywords-inner'),
+        ],
+        'soft-keywords-inner': [
+            # optional `_` keyword
+            (r'(\s+)([^\n_]*)(_\b)', bygroups(Whitespace, using(this), Keyword)),
+            default('#pop')
+        ],
+        'builtins': [
+            (words((
+                '__import__', 'abs', 'aiter', 'all', 'any', 'bin', 'bool', 'bytearray',
+                'breakpoint', 'bytes', 'callable', 'chr', 'classmethod', 'compile',
+                'complex', 'delattr', 'dict', 'dir', 'divmod', 'enumerate', 'eval',
+                'filter', 'float', 'format', 'frozenset', 'getattr', 'globals',
+                'hasattr', 'hash', 'hex', 'id', 'input', 'int', 'isinstance',
+                'issubclass', 'iter', 'len', 'list', 'locals', 'map', 'max',
+                'memoryview', 'min', 'next', 'object', 'oct', 'open', 'ord', 'pow',
+                'print', 'property', 'range', 'repr', 'reversed', 'round', 'set',
+                'setattr', 'slice', 'sorted', 'staticmethod', 'str', 'sum', 'super',
+                'tuple', 'type', 'vars', 'zip'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Builtin),
+            (r'(?<!\.)(self|Ellipsis|NotImplemented|cls)\b', Name.Builtin.Pseudo),
+            (words((
+                'ArithmeticError', 'AssertionError', 'AttributeError',
+                'BaseException', 'BufferError', 'BytesWarning', 'DeprecationWarning',
+                'EOFError', 'EnvironmentError', 'Exception', 'FloatingPointError',
+                'FutureWarning', 'GeneratorExit', 'IOError', 'ImportError',
+                'ImportWarning', 'IndentationError', 'IndexError', 'KeyError',
+                'KeyboardInterrupt', 'LookupError', 'MemoryError', 'NameError',
+                'NotImplementedError', 'OSError', 'OverflowError',
+                'PendingDeprecationWarning', 'ReferenceError', 'ResourceWarning',
+                'RuntimeError', 'RuntimeWarning', 'StopIteration',
+                'SyntaxError', 'SyntaxWarning', 'SystemError', 'SystemExit',
+                'TabError', 'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
+                'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
+                'UnicodeWarning', 'UserWarning', 'ValueError', 'VMSError',
+                'Warning', 'WindowsError', 'ZeroDivisionError',
+                # new builtin exceptions from PEP 3151
+                'BlockingIOError', 'ChildProcessError', 'ConnectionError',
+                'BrokenPipeError', 'ConnectionAbortedError', 'ConnectionRefusedError',
+                'ConnectionResetError', 'FileExistsError', 'FileNotFoundError',
+                'InterruptedError', 'IsADirectoryError', 'NotADirectoryError',
+                'PermissionError', 'ProcessLookupError', 'TimeoutError',
+                # others new in Python 3
+                'StopAsyncIteration', 'ModuleNotFoundError', 'RecursionError',
+                'EncodingWarning'),
+                prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Exception),
+        ],
+        'magicfuncs': [
+            (words((
+                '__abs__', '__add__', '__aenter__', '__aexit__', '__aiter__',
+                '__and__', '__anext__', '__await__', '__bool__', '__bytes__',
+                '__call__', '__complex__', '__contains__', '__del__', '__delattr__',
+                '__delete__', '__delitem__', '__dir__', '__divmod__', '__enter__',
+                '__eq__', '__exit__', '__float__', '__floordiv__', '__format__',
+                '__ge__', '__get__', '__getattr__', '__getattribute__',
+                '__getitem__', '__gt__', '__hash__', '__iadd__', '__iand__',
+                '__ifloordiv__', '__ilshift__', '__imatmul__', '__imod__',
+                '__imul__', '__index__', '__init__', '__instancecheck__',
+                '__int__', '__invert__', '__ior__', '__ipow__', '__irshift__',
+                '__isub__', '__iter__', '__itruediv__', '__ixor__', '__le__',
+                '__len__', '__length_hint__', '__lshift__', '__lt__', '__matmul__',
+                '__missing__', '__mod__', '__mul__', '__ne__', '__neg__',
+                '__new__', '__next__', '__or__', '__pos__', '__pow__',
+                '__prepare__', '__radd__', '__rand__', '__rdivmod__', '__repr__',
+                '__reversed__', '__rfloordiv__', '__rlshift__', '__rmatmul__',
+                '__rmod__', '__rmul__', '__ror__', '__round__', '__rpow__',
+                '__rrshift__', '__rshift__', '__rsub__', '__rtruediv__',
+                '__rxor__', '__set__', '__setattr__', '__setitem__', '__str__',
+                '__sub__', '__subclasscheck__', '__truediv__',
+                '__xor__'), suffix=r'\b'),
+             Name.Function.Magic),
+        ],
+        'magicvars': [
+            (words((
+                '__annotations__', '__bases__', '__class__', '__closure__',
+                '__code__', '__defaults__', '__dict__', '__doc__', '__file__',
+                '__func__', '__globals__', '__kwdefaults__', '__module__',
+                '__mro__', '__name__', '__objclass__', '__qualname__',
+                '__self__', '__slots__', '__weakref__'), suffix=r'\b'),
+             Name.Variable.Magic),
+        ],
+        'numbers': [
+            (r'(\d(?:_?\d)*\.(?:\d(?:_?\d)*)?|(?:\d(?:_?\d)*)?\.\d(?:_?\d)*)'
+             r'([eE][+-]?\d(?:_?\d)*)?', Number.Float),
+            (r'\d(?:_?\d)*[eE][+-]?\d(?:_?\d)*j?', Number.Float),
+            (r'0[oO](?:_?[0-7])+', Number.Oct),
+            (r'0[bB](?:_?[01])+', Number.Bin),
+            (r'0[xX](?:_?[a-fA-F0-9])+', Number.Hex),
+            (r'\d(?:_?\d)*', Number.Integer),
+        ],
+        'name': [
+            (r'@' + uni_name, Name.Decorator),
+            (r'@', Operator),  # new matrix multiplication operator
+            (uni_name, Name),
+        ],
+        'funcname': [
+            include('magicfuncs'),
+            (uni_name, Name.Function, '#pop'),
+            default('#pop'),
+        ],
+        'classname': [
+            (uni_name, Name.Class, '#pop'),
+        ],
+        'import': [
+            (r'(\s+)(as)(\s+)', bygroups(Text, Keyword, Text)),
+            (r'\.', Name.Namespace),
+            (uni_name, Name.Namespace),
+            (r'(\s*)(,)(\s*)', bygroups(Text, Operator, Text)),
+            default('#pop')  # all else: go back
+        ],
+        'fromimport': [
+            (r'(\s+)(import)\b', bygroups(Text, Keyword.Namespace), '#pop'),
+            (r'\.', Name.Namespace),
+            # if None occurs here, it's "raise x from None", since None can
+            # never be a module name
+            (r'None\b', Keyword.Constant, '#pop'),
+            (uni_name, Name.Namespace),
+            default('#pop'),
+        ],
+        'rfstringescape': [
+            (r'\{\{', String.Escape),
+            (r'\}\}', String.Escape),
+        ],
+        'fstringescape': [
+            include('rfstringescape'),
+            include('stringescape'),
+        ],
+        'bytesescape': [
+            (r'\\([\\abfnrtv"\']|\n|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'stringescape': [
+            (r'\\(N\{.*?\}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8})', String.Escape),
+            include('bytesescape')
+        ],
+        'fstrings-single': fstring_rules(String.Single),
+        'fstrings-double': fstring_rules(String.Double),
+        'strings-single': innerstring_rules(String.Single),
+        'strings-double': innerstring_rules(String.Double),
+        'dqf': [
+            (r'"', String.Double, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here for raw strings
+            include('fstrings-double')
+        ],
+        'sqf': [
+            (r"'", String.Single, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here for raw strings
+            include('fstrings-single')
+        ],
+        'dqs': [
+            (r'"', String.Double, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here for raw strings
+            include('strings-double')
+        ],
+        'sqs': [
+            (r"'", String.Single, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here for raw strings
+            include('strings-single')
+        ],
+        'tdqf': [
+            (r'"""', String.Double, '#pop'),
+            include('fstrings-double'),
+            (r'\n', String.Double)
+        ],
+        'tsqf': [
+            (r"'''", String.Single, '#pop'),
+            include('fstrings-single'),
+            (r'\n', String.Single)
+        ],
+        'tdqs': [
+            (r'"""', String.Double, '#pop'),
+            include('strings-double'),
+            (r'\n', String.Double)
+        ],
+        'tsqs': [
+            (r"'''", String.Single, '#pop'),
+            include('strings-single'),
+            (r'\n', String.Single)
+        ],
+    }
+
+    def analyse_text(text):
+        return shebang_matches(text, r'pythonw?(3(\.\d)?)?') or \
+            'import ' in text[:1000]
+
+
+Python3Lexer = PythonLexer
+
+
+class Python2Lexer(RegexLexer):
+    """
+    For Python 2.x source code.
+
+    .. versionchanged:: 2.5
+       This class has been renamed from ``PythonLexer``.  ``PythonLexer`` now
+       refers to the Python 3 variant.  File name patterns like ``*.py`` have
+       been moved to Python 3 as well.
+    """
+
+    name = 'Python 2.x'
+    url = 'http://www.python.org'
+    aliases = ['python2', 'py2']
+    filenames = []  # now taken over by PythonLexer (3.x)
+    mimetypes = ['text/x-python2', 'application/x-python2']
+
+    def innerstring_rules(ttype):
+        return [
+            # the old style '%s' % (...) string formatting
+            (r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsux%]', String.Interpol),
+            # backslashes, quotes and formatting signs must be parsed one at a time
+            (r'[^\\\'"%\n]+', ttype),
+            (r'[\'"\\]', ttype),
+            # unhandled string formatting sign
+            (r'%', ttype),
+            # newlines are an error (use "nl" state)
+        ]
+
+    tokens = {
+        'root': [
+            (r'\n', Whitespace),
+            (r'^(\s*)([rRuUbB]{,2})("""(?:.|\n)*?""")',
+             bygroups(Whitespace, String.Affix, String.Doc)),
+            (r"^(\s*)([rRuUbB]{,2})('''(?:.|\n)*?''')",
+             bygroups(Whitespace, String.Affix, String.Doc)),
+            (r'[^\S\n]+', Text),
+            (r'\A#!.+$', Comment.Hashbang),
+            (r'#.*$', Comment.Single),
+            (r'[]{}:(),;[]', Punctuation),
+            (r'\\\n', Text),
+            (r'\\', Text),
+            (r'(in|is|and|or|not)\b', Operator.Word),
+            (r'!=|==|<<|>>|[-~+/*%=<>&^|.]', Operator),
+            include('keywords'),
+            (r'(def)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'funcname'),
+            (r'(class)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'classname'),
+            (r'(from)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'fromimport'),
+            (r'(import)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
+             'import'),
+            include('builtins'),
+            include('magicfuncs'),
+            include('magicvars'),
+            include('backtick'),
+            ('([rR]|[uUbB][rR]|[rR][uUbB])(""")',
+             bygroups(String.Affix, String.Double), 'tdqs'),
+            ("([rR]|[uUbB][rR]|[rR][uUbB])(''')",
+             bygroups(String.Affix, String.Single), 'tsqs'),
+            ('([rR]|[uUbB][rR]|[rR][uUbB])(")',
+             bygroups(String.Affix, String.Double), 'dqs'),
+            ("([rR]|[uUbB][rR]|[rR][uUbB])(')",
+             bygroups(String.Affix, String.Single), 'sqs'),
+            ('([uUbB]?)(""")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'tdqs')),
+            ("([uUbB]?)(''')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'tsqs')),
+            ('([uUbB]?)(")', bygroups(String.Affix, String.Double),
+             combined('stringescape', 'dqs')),
+            ("([uUbB]?)(')", bygroups(String.Affix, String.Single),
+             combined('stringescape', 'sqs')),
+            include('name'),
+            include('numbers'),
+        ],
+        'keywords': [
+            (words((
+                'assert', 'break', 'continue', 'del', 'elif', 'else', 'except',
+                'exec', 'finally', 'for', 'global', 'if', 'lambda', 'pass',
+                'print', 'raise', 'return', 'try', 'while', 'yield',
+                'yield from', 'as', 'with'), suffix=r'\b'),
+             Keyword),
+        ],
+        'builtins': [
+            (words((
+                '__import__', 'abs', 'all', 'any', 'apply', 'basestring', 'bin',
+                'bool', 'buffer', 'bytearray', 'bytes', 'callable', 'chr', 'classmethod',
+                'cmp', 'coerce', 'compile', 'complex', 'delattr', 'dict', 'dir', 'divmod',
+                'enumerate', 'eval', 'execfile', 'exit', 'file', 'filter', 'float',
+                'frozenset', 'getattr', 'globals', 'hasattr', 'hash', 'hex', 'id',
+                'input', 'int', 'intern', 'isinstance', 'issubclass', 'iter', 'len',
+                'list', 'locals', 'long', 'map', 'max', 'min', 'next', 'object',
+                'oct', 'open', 'ord', 'pow', 'property', 'range', 'raw_input', 'reduce',
+                'reload', 'repr', 'reversed', 'round', 'set', 'setattr', 'slice',
+                'sorted', 'staticmethod', 'str', 'sum', 'super', 'tuple', 'type',
+                'unichr', 'unicode', 'vars', 'xrange', 'zip'),
+                prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Builtin),
+            (r'(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|cls'
+             r')\b', Name.Builtin.Pseudo),
+            (words((
+                'ArithmeticError', 'AssertionError', 'AttributeError',
+                'BaseException', 'DeprecationWarning', 'EOFError', 'EnvironmentError',
+                'Exception', 'FloatingPointError', 'FutureWarning', 'GeneratorExit',
+                'IOError', 'ImportError', 'ImportWarning', 'IndentationError',
+                'IndexError', 'KeyError', 'KeyboardInterrupt', 'LookupError',
+                'MemoryError', 'NameError',
+                'NotImplementedError', 'OSError', 'OverflowError', 'OverflowWarning',
+                'PendingDeprecationWarning', 'ReferenceError',
+                'RuntimeError', 'RuntimeWarning', 'StandardError', 'StopIteration',
+                'SyntaxError', 'SyntaxWarning', 'SystemError', 'SystemExit',
+                'TabError', 'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
+                'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
+                'UnicodeWarning', 'UserWarning', 'ValueError', 'VMSError', 'Warning',
+                'WindowsError', 'ZeroDivisionError'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Exception),
+        ],
+        'magicfuncs': [
+            (words((
+                '__abs__', '__add__', '__and__', '__call__', '__cmp__', '__coerce__',
+                '__complex__', '__contains__', '__del__', '__delattr__', '__delete__',
+                '__delitem__', '__delslice__', '__div__', '__divmod__', '__enter__',
+                '__eq__', '__exit__', '__float__', '__floordiv__', '__ge__', '__get__',
+                '__getattr__', '__getattribute__', '__getitem__', '__getslice__', '__gt__',
+                '__hash__', '__hex__', '__iadd__', '__iand__', '__idiv__', '__ifloordiv__',
+                '__ilshift__', '__imod__', '__imul__', '__index__', '__init__',
+                '__instancecheck__', '__int__', '__invert__', '__iop__', '__ior__',
+                '__ipow__', '__irshift__', '__isub__', '__iter__', '__itruediv__',
+                '__ixor__', '__le__', '__len__', '__long__', '__lshift__', '__lt__',
+                '__missing__', '__mod__', '__mul__', '__ne__', '__neg__', '__new__',
+                '__nonzero__', '__oct__', '__op__', '__or__', '__pos__', '__pow__',
+                '__radd__', '__rand__', '__rcmp__', '__rdiv__', '__rdivmod__', '__repr__',
+                '__reversed__', '__rfloordiv__', '__rlshift__', '__rmod__', '__rmul__',
+                '__rop__', '__ror__', '__rpow__', '__rrshift__', '__rshift__', '__rsub__',
+                '__rtruediv__', '__rxor__', '__set__', '__setattr__', '__setitem__',
+                '__setslice__', '__str__', '__sub__', '__subclasscheck__', '__truediv__',
+                '__unicode__', '__xor__'), suffix=r'\b'),
+             Name.Function.Magic),
+        ],
+        'magicvars': [
+            (words((
+                '__bases__', '__class__', '__closure__', '__code__', '__defaults__',
+                '__dict__', '__doc__', '__file__', '__func__', '__globals__',
+                '__metaclass__', '__module__', '__mro__', '__name__', '__self__',
+                '__slots__', '__weakref__'),
+                suffix=r'\b'),
+             Name.Variable.Magic),
+        ],
+        'numbers': [
+            (r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?j?', Number.Float),
+            (r'\d+[eE][+-]?[0-9]+j?', Number.Float),
+            (r'0[0-7]+j?', Number.Oct),
+            (r'0[bB][01]+', Number.Bin),
+            (r'0[xX][a-fA-F0-9]+', Number.Hex),
+            (r'\d+L', Number.Integer.Long),
+            (r'\d+j?', Number.Integer)
+        ],
+        'backtick': [
+            ('`.*?`', String.Backtick),
+        ],
+        'name': [
+            (r'@[\w.]+', Name.Decorator),
+            (r'[a-zA-Z_]\w*', Name),
+        ],
+        'funcname': [
+            include('magicfuncs'),
+            (r'[a-zA-Z_]\w*', Name.Function, '#pop'),
+            default('#pop'),
+        ],
+        'classname': [
+            (r'[a-zA-Z_]\w*', Name.Class, '#pop')
+        ],
+        'import': [
+            (r'(?:[ \t]|\\\n)+', Text),
+            (r'as\b', Keyword.Namespace),
+            (r',', Operator),
+            (r'[a-zA-Z_][\w.]*', Name.Namespace),
+            default('#pop')  # all else: go back
+        ],
+        'fromimport': [
+            (r'(?:[ \t]|\\\n)+', Text),
+            (r'import\b', Keyword.Namespace, '#pop'),
+            # if None occurs here, it's "raise x from None", since None can
+            # never be a module name
+            (r'None\b', Name.Builtin.Pseudo, '#pop'),
+            # sadly, in "raise x from y" y will be highlighted as namespace too
+            (r'[a-zA-Z_.][\w.]*', Name.Namespace),
+            # anything else here also means "raise x from y" and is therefore
+            # not an error
+            default('#pop'),
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'strings-single': innerstring_rules(String.Single),
+        'strings-double': innerstring_rules(String.Double),
+        'dqs': [
+            (r'"', String.Double, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here for raw strings
+            include('strings-double')
+        ],
+        'sqs': [
+            (r"'", String.Single, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here for raw strings
+            include('strings-single')
+        ],
+        'tdqs': [
+            (r'"""', String.Double, '#pop'),
+            include('strings-double'),
+            (r'\n', String.Double)
+        ],
+        'tsqs': [
+            (r"'''", String.Single, '#pop'),
+            include('strings-single'),
+            (r'\n', String.Single)
+        ],
+    }
+
+    def analyse_text(text):
+        return shebang_matches(text, r'pythonw?2(\.\d)?')
+
+class _PythonConsoleLexerBase(RegexLexer):
+    name = 'Python console session'
+    aliases = ['pycon']
+    mimetypes = ['text/x-python-doctest']
+
+    """Auxiliary lexer for `PythonConsoleLexer`.
+
+    Code tokens are output as ``Token.Other.Code``, traceback tokens as
+    ``Token.Other.Traceback``.
+    """
+    tokens = {
+        'root': [
+            (r'(>>> )(.*\n)', bygroups(Generic.Prompt, Other.Code), 'continuations'),
+            # This happens, e.g., when tracebacks are embedded in documentation;
+            # trailing whitespaces are often stripped in such contexts.
+            (r'(>>>)(\n)', bygroups(Generic.Prompt, Whitespace)),
+            (r'(\^C)?Traceback \(most recent call last\):\n', Other.Traceback, 'traceback'),
+            # SyntaxError starts with this
+            (r'  File "[^"]+", line \d+', Other.Traceback, 'traceback'),
+            (r'.*\n', Generic.Output),
+        ],
+        'continuations': [
+            (r'(\.\.\. )(.*\n)', bygroups(Generic.Prompt, Other.Code)),
+            # See above.
+            (r'(\.\.\.)(\n)', bygroups(Generic.Prompt, Whitespace)),
+            default('#pop'),
+        ],
+        'traceback': [
+            # As soon as we see a traceback, consume everything until the next
+            # >>> prompt.
+            (r'(?=>>>( |$))', Text, '#pop'),
+            (r'(KeyboardInterrupt)(\n)', bygroups(Name.Class, Whitespace)),
+            (r'.*\n', Other.Traceback),
+        ],
+    }
+
+class PythonConsoleLexer(DelegatingLexer):
+    """
+    For Python console output or doctests, such as:
+
+    .. sourcecode:: pycon
+
+        >>> a = 'foo'
+        >>> print(a)
+        foo
+        >>> 1 / 0
+        Traceback (most recent call last):
+          File "<stdin>", line 1, in <module>
+        ZeroDivisionError: integer division or modulo by zero
+
+    Additional options:
+
+    `python3`
+        Use Python 3 lexer for code.  Default is ``True``.
+
+        .. versionadded:: 1.0
+        .. versionchanged:: 2.5
+           Now defaults to ``True``.
+    """
+
+    name = 'Python console session'
+    aliases = ['pycon']
+    mimetypes = ['text/x-python-doctest']
+
+    def __init__(self, **options):
+        python3 = get_bool_opt(options, 'python3', True)
+        if python3:
+            pylexer = PythonLexer
+            tblexer = PythonTracebackLexer
+        else:
+            pylexer = Python2Lexer
+            tblexer = Python2TracebackLexer
+        # We have two auxiliary lexers. Use DelegatingLexer twice with
+        # different tokens.  TODO: DelegatingLexer should support this
+        # directly, by accepting a tuplet of auxiliary lexers and a tuple of
+        # distinguishing tokens. Then we wouldn't need this intermediary
+        # class.
+        class _ReplaceInnerCode(DelegatingLexer):
+            def __init__(self, **options):
+                super().__init__(pylexer, _PythonConsoleLexerBase, Other.Code, **options)
+        super().__init__(tblexer, _ReplaceInnerCode, Other.Traceback, **options)
+
+class PythonTracebackLexer(RegexLexer):
+    """
+    For Python 3.x tracebacks, with support for chained exceptions.
+
+    .. versionadded:: 1.0
+
+    .. versionchanged:: 2.5
+       This is now the default ``PythonTracebackLexer``.  It is still available
+       as the alias ``Python3TracebackLexer``.
+    """
+
+    name = 'Python Traceback'
+    aliases = ['pytb', 'py3tb']
+    filenames = ['*.pytb', '*.py3tb']
+    mimetypes = ['text/x-python-traceback', 'text/x-python3-traceback']
+
+    tokens = {
+        'root': [
+            (r'\n', Whitespace),
+            (r'^(\^C)?Traceback \(most recent call last\):\n', Generic.Traceback, 'intb'),
+            (r'^During handling of the above exception, another '
+             r'exception occurred:\n\n', Generic.Traceback),
+            (r'^The above exception was the direct cause of the '
+             r'following exception:\n\n', Generic.Traceback),
+            (r'^(?=  File "[^"]+", line \d+)', Generic.Traceback, 'intb'),
+            (r'^.*\n', Other),
+        ],
+        'intb': [
+            (r'^(  File )("[^"]+")(, line )(\d+)(, in )(.+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Text, Name, Whitespace)),
+            (r'^(  File )("[^"]+")(, line )(\d+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Whitespace)),
+            (r'^(    )(.+)(\n)',
+             bygroups(Whitespace, using(PythonLexer), Whitespace), 'markers'),
+            (r'^([ \t]*)(\.\.\.)(\n)',
+             bygroups(Whitespace, Comment, Whitespace)),  # for doctests...
+            (r'^([^:]+)(: )(.+)(\n)',
+             bygroups(Generic.Error, Text, Name, Whitespace), '#pop'),
+            (r'^([a-zA-Z_][\w.]*)(:?\n)',
+             bygroups(Generic.Error, Whitespace), '#pop'),
+            default('#pop'),
+        ],
+        'markers': [
+            # Either `PEP 657 <https://www.python.org/dev/peps/pep-0657/>`
+            # error locations in Python 3.11+, or single-caret markers
+            # for syntax errors before that.
+            (r'^( {4,})([~^]+)(\n)',
+             bygroups(Whitespace, Punctuation.Marker, Whitespace),
+             '#pop'),
+            default('#pop'),
+        ],
+    }
+
+
+Python3TracebackLexer = PythonTracebackLexer
+
+
+class Python2TracebackLexer(RegexLexer):
+    """
+    For Python tracebacks.
+
+    .. versionadded:: 0.7
+
+    .. versionchanged:: 2.5
+       This class has been renamed from ``PythonTracebackLexer``.
+       ``PythonTracebackLexer`` now refers to the Python 3 variant.
+    """
+
+    name = 'Python 2.x Traceback'
+    aliases = ['py2tb']
+    filenames = ['*.py2tb']
+    mimetypes = ['text/x-python2-traceback']
+
+    tokens = {
+        'root': [
+            # Cover both (most recent call last) and (innermost last)
+            # The optional ^C allows us to catch keyboard interrupt signals.
+            (r'^(\^C)?(Traceback.*\n)',
+             bygroups(Text, Generic.Traceback), 'intb'),
+            # SyntaxError starts with this.
+            (r'^(?=  File "[^"]+", line \d+)', Generic.Traceback, 'intb'),
+            (r'^.*\n', Other),
+        ],
+        'intb': [
+            (r'^(  File )("[^"]+")(, line )(\d+)(, in )(.+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Text, Name, Whitespace)),
+            (r'^(  File )("[^"]+")(, line )(\d+)(\n)',
+             bygroups(Text, Name.Builtin, Text, Number, Whitespace)),
+            (r'^(    )(.+)(\n)',
+             bygroups(Text, using(Python2Lexer), Whitespace), 'marker'),
+            (r'^([ \t]*)(\.\.\.)(\n)',
+             bygroups(Text, Comment, Whitespace)),  # for doctests...
+            (r'^([^:]+)(: )(.+)(\n)',
+             bygroups(Generic.Error, Text, Name, Whitespace), '#pop'),
+            (r'^([a-zA-Z_]\w*)(:?\n)',
+             bygroups(Generic.Error, Whitespace), '#pop')
+        ],
+        'marker': [
+            # For syntax errors.
+            (r'( {4,})(\^)', bygroups(Text, Punctuation.Marker), '#pop'),
+            default('#pop'),
+        ],
+    }
+
+
+class CythonLexer(RegexLexer):
+    """
+    For Pyrex and Cython source code.
+
+    .. versionadded:: 1.1
+    """
+
+    name = 'Cython'
+    url = 'http://cython.org'
+    aliases = ['cython', 'pyx', 'pyrex']
+    filenames = ['*.pyx', '*.pxd', '*.pxi']
+    mimetypes = ['text/x-cython', 'application/x-cython']
+
+    tokens = {
+        'root': [
+            (r'\n', Whitespace),
+            (r'^(\s*)("""(?:.|\n)*?""")', bygroups(Whitespace, String.Doc)),
+            (r"^(\s*)('''(?:.|\n)*?''')", bygroups(Whitespace, String.Doc)),
+            (r'[^\S\n]+', Text),
+            (r'#.*$', Comment),
+            (r'[]{}:(),;[]', Punctuation),
+            (r'\\\n', Whitespace),
+            (r'\\', Text),
+            (r'(in|is|and|or|not)\b', Operator.Word),
+            (r'(<)([a-zA-Z0-9.?]+)(>)',
+             bygroups(Punctuation, Keyword.Type, Punctuation)),
+            (r'!=|==|<<|>>|[-~+/*%=<>&^|.?]', Operator),
+            (r'(from)(\d+)(<=)(\s+)(<)(\d+)(:)',
+             bygroups(Keyword, Number.Integer, Operator, Name, Operator,
+                      Name, Punctuation)),
+            include('keywords'),
+            (r'(def|property)(\s+)', bygroups(Keyword, Text), 'funcname'),
+            (r'(cp?def)(\s+)', bygroups(Keyword, Text), 'cdef'),
+            # (should actually start a block with only cdefs)
+            (r'(cdef)(:)', bygroups(Keyword, Punctuation)),
+            (r'(class|struct)(\s+)', bygroups(Keyword, Text), 'classname'),
+            (r'(from)(\s+)', bygroups(Keyword, Text), 'fromimport'),
+            (r'(c?import)(\s+)', bygroups(Keyword, Text), 'import'),
+            include('builtins'),
+            include('backtick'),
+            ('(?:[rR]|[uU][rR]|[rR][uU])"""', String, 'tdqs'),
+            ("(?:[rR]|[uU][rR]|[rR][uU])'''", String, 'tsqs'),
+            ('(?:[rR]|[uU][rR]|[rR][uU])"', String, 'dqs'),
+            ("(?:[rR]|[uU][rR]|[rR][uU])'", String, 'sqs'),
+            ('[uU]?"""', String, combined('stringescape', 'tdqs')),
+            ("[uU]?'''", String, combined('stringescape', 'tsqs')),
+            ('[uU]?"', String, combined('stringescape', 'dqs')),
+            ("[uU]?'", String, combined('stringescape', 'sqs')),
+            include('name'),
+            include('numbers'),
+        ],
+        'keywords': [
+            (words((
+                'assert', 'async', 'await', 'break', 'by', 'continue', 'ctypedef', 'del', 'elif',
+                'else', 'except', 'except?', 'exec', 'finally', 'for', 'fused', 'gil',
+                'global', 'if', 'include', 'lambda', 'nogil', 'pass', 'print',
+                'raise', 'return', 'try', 'while', 'yield', 'as', 'with'), suffix=r'\b'),
+             Keyword),
+            (r'(DEF|IF|ELIF|ELSE)\b', Comment.Preproc),
+        ],
+        'builtins': [
+            (words((
+                '__import__', 'abs', 'all', 'any', 'apply', 'basestring', 'bin', 'bint',
+                'bool', 'buffer', 'bytearray', 'bytes', 'callable', 'chr',
+                'classmethod', 'cmp', 'coerce', 'compile', 'complex', 'delattr',
+                'dict', 'dir', 'divmod', 'enumerate', 'eval', 'execfile', 'exit',
+                'file', 'filter', 'float', 'frozenset', 'getattr', 'globals',
+                'hasattr', 'hash', 'hex', 'id', 'input', 'int', 'intern', 'isinstance',
+                'issubclass', 'iter', 'len', 'list', 'locals', 'long', 'map', 'max',
+                'min', 'next', 'object', 'oct', 'open', 'ord', 'pow', 'property', 'Py_ssize_t',
+                'range', 'raw_input', 'reduce', 'reload', 'repr', 'reversed',
+                'round', 'set', 'setattr', 'slice', 'sorted', 'staticmethod',
+                'str', 'sum', 'super', 'tuple', 'type', 'unichr', 'unicode', 'unsigned',
+                'vars', 'xrange', 'zip'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Builtin),
+            (r'(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|NULL'
+             r')\b', Name.Builtin.Pseudo),
+            (words((
+                'ArithmeticError', 'AssertionError', 'AttributeError',
+                'BaseException', 'DeprecationWarning', 'EOFError', 'EnvironmentError',
+                'Exception', 'FloatingPointError', 'FutureWarning', 'GeneratorExit',
+                'IOError', 'ImportError', 'ImportWarning', 'IndentationError',
+                'IndexError', 'KeyError', 'KeyboardInterrupt', 'LookupError',
+                'MemoryError', 'NameError', 'NotImplemented', 'NotImplementedError',
+                'OSError', 'OverflowError', 'OverflowWarning',
+                'PendingDeprecationWarning', 'ReferenceError', 'RuntimeError',
+                'RuntimeWarning', 'StandardError', 'StopIteration', 'SyntaxError',
+                'SyntaxWarning', 'SystemError', 'SystemExit', 'TabError',
+                'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
+                'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
+                'UnicodeWarning', 'UserWarning', 'ValueError', 'Warning',
+                'ZeroDivisionError'), prefix=r'(?<!\.)', suffix=r'\b'),
+             Name.Exception),
+        ],
+        'numbers': [
+            (r'(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number.Float),
+            (r'0\d+', Number.Oct),
+            (r'0[xX][a-fA-F0-9]+', Number.Hex),
+            (r'\d+L', Number.Integer.Long),
+            (r'\d+', Number.Integer)
+        ],
+        'backtick': [
+            ('`.*?`', String.Backtick),
+        ],
+        'name': [
+            (r'@\w+', Name.Decorator),
+            (r'[a-zA-Z_]\w*', Name),
+        ],
+        'funcname': [
+            (r'[a-zA-Z_]\w*', Name.Function, '#pop')
+        ],
+        'cdef': [
+            (r'(public|readonly|extern|api|inline)\b', Keyword.Reserved),
+            (r'(struct|enum|union|class)\b', Keyword),
+            (r'([a-zA-Z_]\w*)(\s*)(?=[(:#=]|$)',
+             bygroups(Name.Function, Text), '#pop'),
+            (r'([a-zA-Z_]\w*)(\s*)(,)',
+             bygroups(Name.Function, Text, Punctuation)),
+            (r'from\b', Keyword, '#pop'),
+            (r'as\b', Keyword),
+            (r':', Punctuation, '#pop'),
+            (r'(?=["\'])', Text, '#pop'),
+            (r'[a-zA-Z_]\w*', Keyword.Type),
+            (r'.', Text),
+        ],
+        'classname': [
+            (r'[a-zA-Z_]\w*', Name.Class, '#pop')
+        ],
+        'import': [
+            (r'(\s+)(as)(\s+)', bygroups(Text, Keyword, Text)),
+            (r'[a-zA-Z_][\w.]*', Name.Namespace),
+            (r'(\s*)(,)(\s*)', bygroups(Text, Operator, Text)),
+            default('#pop')  # all else: go back
+        ],
+        'fromimport': [
+            (r'(\s+)(c?import)\b', bygroups(Text, Keyword), '#pop'),
+            (r'[a-zA-Z_.][\w.]*', Name.Namespace),
+            # ``cdef foo from "header"``, or ``for foo from 0 < i < 10``
+            default('#pop'),
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'strings': [
+            (r'%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsux%]', String.Interpol),
+            (r'[^\\\'"%\n]+', String),
+            # quotes, percents and backslashes must be parsed one at a time
+            (r'[\'"\\]', String),
+            # unhandled string formatting sign
+            (r'%', String)
+            # newlines are an error (use "nl" state)
+        ],
+        'nl': [
+            (r'\n', String)
+        ],
+        'dqs': [
+            (r'"', String, '#pop'),
+            (r'\\\\|\\"|\\\n', String.Escape),  # included here again for raw strings
+            include('strings')
+        ],
+        'sqs': [
+            (r"'", String, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here again for raw strings
+            include('strings')
+        ],
+        'tdqs': [
+            (r'"""', String, '#pop'),
+            include('strings'),
+            include('nl')
+        ],
+        'tsqs': [
+            (r"'''", String, '#pop'),
+            include('strings'),
+            include('nl')
+        ],
+    }
+
+
+class DgLexer(RegexLexer):
+    """
+    Lexer for dg,
+    a functional and object-oriented programming language
+    running on the CPython 3 VM.
+
+    .. versionadded:: 1.6
+    """
+    name = 'dg'
+    aliases = ['dg']
+    filenames = ['*.dg']
+    mimetypes = ['text/x-dg']
+
+    tokens = {
+        'root': [
+            (r'\s+', Text),
+            (r'#.*?$', Comment.Single),
+
+            (r'(?i)0b[01]+', Number.Bin),
+            (r'(?i)0o[0-7]+', Number.Oct),
+            (r'(?i)0x[0-9a-f]+', Number.Hex),
+            (r'(?i)[+-]?[0-9]+\.[0-9]+(e[+-]?[0-9]+)?j?', Number.Float),
+            (r'(?i)[+-]?[0-9]+e[+-]?\d+j?', Number.Float),
+            (r'(?i)[+-]?[0-9]+j?', Number.Integer),
+
+            (r"(?i)(br|r?b?)'''", String, combined('stringescape', 'tsqs', 'string')),
+            (r'(?i)(br|r?b?)"""', String, combined('stringescape', 'tdqs', 'string')),
+            (r"(?i)(br|r?b?)'", String, combined('stringescape', 'sqs', 'string')),
+            (r'(?i)(br|r?b?)"', String, combined('stringescape', 'dqs', 'string')),
+
+            (r"`\w+'*`", Operator),
+            (r'\b(and|in|is|or|where)\b', Operator.Word),
+            (r'[!$%&*+\-./:<-@\\^|~;,]+', Operator),
+
+            (words((
+                'bool', 'bytearray', 'bytes', 'classmethod', 'complex', 'dict', 'dict\'',
+                'float', 'frozenset', 'int', 'list', 'list\'', 'memoryview', 'object',
+                'property', 'range', 'set', 'set\'', 'slice', 'staticmethod', 'str',
+                'super', 'tuple', 'tuple\'', 'type'),
+                   prefix=r'(?<!\.)', suffix=r'(?![\'\w])'),
+             Name.Builtin),
+            (words((
+                '__import__', 'abs', 'all', 'any', 'bin', 'bind', 'chr', 'cmp', 'compile',
+                'complex', 'delattr', 'dir', 'divmod', 'drop', 'dropwhile', 'enumerate',
+                'eval', 'exhaust', 'filter', 'flip', 'foldl1?', 'format', 'fst',
+                'getattr', 'globals', 'hasattr', 'hash', 'head', 'hex', 'id', 'init',
+                'input', 'isinstance', 'issubclass', 'iter', 'iterate', 'last', 'len',
+                'locals', 'map', 'max', 'min', 'next', 'oct', 'open', 'ord', 'pow',
+                'print', 'repr', 'reversed', 'round', 'setattr', 'scanl1?', 'snd',
+                'sorted', 'sum', 'tail', 'take', 'takewhile', 'vars', 'zip'),
+                   prefix=r'(?<!\.)', suffix=r'(?![\'\w])'),
+             Name.Builtin),
+            (r"(?<!\.)(self|Ellipsis|NotImplemented|None|True|False)(?!['\w])",
+             Name.Builtin.Pseudo),
+
+            (r"(?<!\.)[A-Z]\w*(Error|Exception|Warning)'*(?!['\w])",
+             Name.Exception),
+            (r"(?<!\.)(Exception|GeneratorExit|KeyboardInterrupt|StopIteration|"
+             r"SystemExit)(?!['\w])", Name.Exception),
+
+            (r"(?<![\w.])(except|finally|for|if|import|not|otherwise|raise|"
+             r"subclass|while|with|yield)(?!['\w])", Keyword.Reserved),
+
+            (r"[A-Z_]+'*(?!['\w])", Name),
+            (r"[A-Z]\w+'*(?!['\w])", Keyword.Type),
+            (r"\w+'*", Name),
+
+            (r'[()]', Punctuation),
+            (r'.', Error),
+        ],
+        'stringescape': [
+            (r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
+             r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
+        ],
+        'string': [
+            (r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[E-GXc-giorsux%]', String.Interpol),
+            (r'[^\\\'"%\n]+', String),
+            # quotes, percents and backslashes must be parsed one at a time
+            (r'[\'"\\]', String),
+            # unhandled string formatting sign
+            (r'%', String),
+            (r'\n', String)
+        ],
+        'dqs': [
+            (r'"', String, '#pop')
+        ],
+        'sqs': [
+            (r"'", String, '#pop')
+        ],
+        'tdqs': [
+            (r'"""', String, '#pop')
+        ],
+        'tsqs': [
+            (r"'''", String, '#pop')
+        ],
+    }
+
+
+class NumPyLexer(PythonLexer):
+    """
+    A Python lexer recognizing Numerical Python builtins.
+
+    .. versionadded:: 0.10
+    """
+
+    name = 'NumPy'
+    url = 'https://numpy.org/'
+    aliases = ['numpy']
+
+    # override the mimetypes to not inherit them from python
+    mimetypes = []
+    filenames = []
+
+    EXTRA_KEYWORDS = {
+        'abs', 'absolute', 'accumulate', 'add', 'alen', 'all', 'allclose',
+        'alltrue', 'alterdot', 'amax', 'amin', 'angle', 'any', 'append',
+        'apply_along_axis', 'apply_over_axes', 'arange', 'arccos', 'arccosh',
+        'arcsin', 'arcsinh', 'arctan', 'arctan2', 'arctanh', 'argmax', 'argmin',
+        'argsort', 'argwhere', 'around', 'array', 'array2string', 'array_equal',
+        'array_equiv', 'array_repr', 'array_split', 'array_str', 'arrayrange',
+        'asanyarray', 'asarray', 'asarray_chkfinite', 'ascontiguousarray',
+        'asfarray', 'asfortranarray', 'asmatrix', 'asscalar', 'astype',
+        'atleast_1d', 'atleast_2d', 'atleast_3d', 'average', 'bartlett',
+        'base_repr', 'beta', 'binary_repr', 'bincount', 'binomial',
+        'bitwise_and', 'bitwise_not', 'bitwise_or', 'bitwise_xor', 'blackman',
+        'bmat', 'broadcast', 'byte_bounds', 'bytes', 'byteswap', 'c_',
+        'can_cast', 'ceil', 'choose', 'clip', 'column_stack', 'common_type',
+        'compare_chararrays', 'compress', 'concatenate', 'conj', 'conjugate',
+        'convolve', 'copy', 'corrcoef', 'correlate', 'cos', 'cosh', 'cov',
+        'cross', 'cumprod', 'cumproduct', 'cumsum', 'delete', 'deprecate',
+        'diag', 'diagflat', 'diagonal', 'diff', 'digitize', 'disp', 'divide',
+        'dot', 'dsplit', 'dstack', 'dtype', 'dump', 'dumps', 'ediff1d', 'empty',
+        'empty_like', 'equal', 'exp', 'expand_dims', 'expm1', 'extract', 'eye',
+        'fabs', 'fastCopyAndTranspose', 'fft', 'fftfreq', 'fftshift', 'fill',
+        'finfo', 'fix', 'flat', 'flatnonzero', 'flatten', 'fliplr', 'flipud',
+        'floor', 'floor_divide', 'fmod', 'frexp', 'fromarrays', 'frombuffer',
+        'fromfile', 'fromfunction', 'fromiter', 'frompyfunc', 'fromstring',
+        'generic', 'get_array_wrap', 'get_include', 'get_numarray_include',
+        'get_numpy_include', 'get_printoptions', 'getbuffer', 'getbufsize',
+        'geterr', 'geterrcall', 'geterrobj', 'getfield', 'gradient', 'greater',
+        'greater_equal', 'gumbel', 'hamming', 'hanning', 'histogram',
+        'histogram2d', 'histogramdd', 'hsplit', 'hstack', 'hypot', 'i0',
+        'identity', 'ifft', 'imag', 'index_exp', 'indices', 'inf', 'info',
+        'inner', 'insert', 'int_asbuffer', 'interp', 'intersect1d',
+        'intersect1d_nu', 'inv', 'invert', 'iscomplex', 'iscomplexobj',
+        'isfinite', 'isfortran', 'isinf', 'isnan', 'isneginf', 'isposinf',
+        'isreal', 'isrealobj', 'isscalar', 'issctype', 'issubclass_',
+        'issubdtype', 'issubsctype', 'item', 'itemset', 'iterable', 'ix_',
+        'kaiser', 'kron', 'ldexp', 'left_shift', 'less', 'less_equal', 'lexsort',
+        'linspace', 'load', 'loads', 'loadtxt', 'log', 'log10', 'log1p', 'log2',
+        'logical_and', 'logical_not', 'logical_or', 'logical_xor', 'logspace',
+        'lstsq', 'mat', 'matrix', 'max', 'maximum', 'maximum_sctype',
+        'may_share_memory', 'mean', 'median', 'meshgrid', 'mgrid', 'min',
+        'minimum', 'mintypecode', 'mod', 'modf', 'msort', 'multiply', 'nan',
+        'nan_to_num', 'nanargmax', 'nanargmin', 'nanmax', 'nanmin', 'nansum',
+        'ndenumerate', 'ndim', 'ndindex', 'negative', 'newaxis', 'newbuffer',
+        'newbyteorder', 'nonzero', 'not_equal', 'obj2sctype', 'ogrid', 'ones',
+        'ones_like', 'outer', 'permutation', 'piecewise', 'pinv', 'pkgload',
+        'place', 'poisson', 'poly', 'poly1d', 'polyadd', 'polyder', 'polydiv',
+        'polyfit', 'polyint', 'polymul', 'polysub', 'polyval', 'power', 'prod',
+        'product', 'ptp', 'put', 'putmask', 'r_', 'randint', 'random_integers',
+        'random_sample', 'ranf', 'rank', 'ravel', 'real', 'real_if_close',
+        'recarray', 'reciprocal', 'reduce', 'remainder', 'repeat', 'require',
+        'reshape', 'resize', 'restoredot', 'right_shift', 'rint', 'roll',
+        'rollaxis', 'roots', 'rot90', 'round', 'round_', 'row_stack', 's_',
+        'sample', 'savetxt', 'sctype2char', 'searchsorted', 'seed', 'select',
+        'set_numeric_ops', 'set_printoptions', 'set_string_function',
+        'setbufsize', 'setdiff1d', 'seterr', 'seterrcall', 'seterrobj',
+        'setfield', 'setflags', 'setmember1d', 'setxor1d', 'shape',
+        'show_config', 'shuffle', 'sign', 'signbit', 'sin', 'sinc', 'sinh',
+        'size', 'slice', 'solve', 'sometrue', 'sort', 'sort_complex', 'source',
+        'split', 'sqrt', 'square', 'squeeze', 'standard_normal', 'std',
+        'subtract', 'sum', 'svd', 'swapaxes', 'take', 'tan', 'tanh', 'tensordot',
+        'test', 'tile', 'tofile', 'tolist', 'tostring', 'trace', 'transpose',
+        'trapz', 'tri', 'tril', 'trim_zeros', 'triu', 'true_divide', 'typeDict',
+        'typename', 'uniform', 'union1d', 'unique', 'unique1d', 'unravel_index',
+        'unwrap', 'vander', 'var', 'vdot', 'vectorize', 'view', 'vonmises',
+        'vsplit', 'vstack', 'weibull', 'where', 'who', 'zeros', 'zeros_like'
+    }
+
+    def get_tokens_unprocessed(self, text):
+        for index, token, value in \
+                PythonLexer.get_tokens_unprocessed(self, text):
+            if token is Name and value in self.EXTRA_KEYWORDS:
+                yield index, Keyword.Pseudo, value
+            else:
+                yield index, token, value
+
+    def analyse_text(text):
+        ltext = text[:1000]
+        return (shebang_matches(text, r'pythonw?(3(\.\d)?)?') or
+                'import ' in ltext) \
+            and ('import numpy' in ltext or 'from numpy import' in ltext)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/modeline.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/modeline.py
new file mode 100644
index 00000000..7b6f6a32
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/modeline.py
@@ -0,0 +1,43 @@
+"""
+    pygments.modeline
+    ~~~~~~~~~~~~~~~~~
+
+    A simple modeline parser (based on pymodeline).
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+__all__ = ['get_filetype_from_buffer']
+
+
+modeline_re = re.compile(r'''
+    (?: vi | vim | ex ) (?: [<=>]? \d* )? :
+    .* (?: ft | filetype | syn | syntax ) = ( [^:\s]+ )
+''', re.VERBOSE)
+
+
+def get_filetype_from_line(l):
+    m = modeline_re.search(l)
+    if m:
+        return m.group(1)
+
+
+def get_filetype_from_buffer(buf, max_lines=5):
+    """
+    Scan the buffer for modelines and return filetype if one is found.
+    """
+    lines = buf.splitlines()
+    for l in lines[-1:-max_lines-1:-1]:
+        ret = get_filetype_from_line(l)
+        if ret:
+            return ret
+    for i in range(max_lines, -1, -1):
+        if i < len(lines):
+            ret = get_filetype_from_line(lines[i])
+            if ret:
+                return ret
+
+    return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/plugin.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/plugin.py
new file mode 100644
index 00000000..7b722d58
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/plugin.py
@@ -0,0 +1,88 @@
+"""
+    pygments.plugin
+    ~~~~~~~~~~~~~~~
+
+    Pygments plugin interface. By default, this tries to use
+    ``importlib.metadata``, which is in the Python standard
+    library since Python 3.8, or its ``importlib_metadata``
+    backport for earlier versions of Python. It falls back on
+    ``pkg_resources`` if not found. Finally, if ``pkg_resources``
+    is not found either, no plugins are loaded at all.
+
+    lexer plugins::
+
+        [pygments.lexers]
+        yourlexer = yourmodule:YourLexer
+
+    formatter plugins::
+
+        [pygments.formatters]
+        yourformatter = yourformatter:YourFormatter
+        /.ext = yourformatter:YourFormatter
+
+    As you can see, you can define extensions for the formatter
+    with a leading slash.
+
+    syntax plugins::
+
+        [pygments.styles]
+        yourstyle = yourstyle:YourStyle
+
+    filter plugin::
+
+        [pygments.filter]
+        yourfilter = yourfilter:YourFilter
+
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+LEXER_ENTRY_POINT = 'pygments.lexers'
+FORMATTER_ENTRY_POINT = 'pygments.formatters'
+STYLE_ENTRY_POINT = 'pygments.styles'
+FILTER_ENTRY_POINT = 'pygments.filters'
+
+
+def iter_entry_points(group_name):
+    try:
+        from importlib.metadata import entry_points
+    except ImportError:
+        try:
+            from importlib_metadata import entry_points
+        except ImportError:
+            try:
+                from pip._vendor.pkg_resources import iter_entry_points
+            except (ImportError, OSError):
+                return []
+            else:
+                return iter_entry_points(group_name)
+    groups = entry_points()
+    if hasattr(groups, 'select'):
+        # New interface in Python 3.10 and newer versions of the
+        # importlib_metadata backport.
+        return groups.select(group=group_name)
+    else:
+        # Older interface, deprecated in Python 3.10 and recent
+        # importlib_metadata, but we need it in Python 3.8 and 3.9.
+        return groups.get(group_name, [])
+
+
+def find_plugin_lexers():
+    for entrypoint in iter_entry_points(LEXER_ENTRY_POINT):
+        yield entrypoint.load()
+
+
+def find_plugin_formatters():
+    for entrypoint in iter_entry_points(FORMATTER_ENTRY_POINT):
+        yield entrypoint.name, entrypoint.load()
+
+
+def find_plugin_styles():
+    for entrypoint in iter_entry_points(STYLE_ENTRY_POINT):
+        yield entrypoint.name, entrypoint.load()
+
+
+def find_plugin_filters():
+    for entrypoint in iter_entry_points(FILTER_ENTRY_POINT):
+        yield entrypoint.name, entrypoint.load()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/regexopt.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/regexopt.py
new file mode 100644
index 00000000..45223ecc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/regexopt.py
@@ -0,0 +1,91 @@
+"""
+    pygments.regexopt
+    ~~~~~~~~~~~~~~~~~
+
+    An algorithm that generates optimized regexes for matching long lists of
+    literal strings.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+from re import escape
+from os.path import commonprefix
+from itertools import groupby
+from operator import itemgetter
+
+CS_ESCAPE = re.compile(r'[\[\^\\\-\]]')
+FIRST_ELEMENT = itemgetter(0)
+
+
+def make_charset(letters):
+    return '[' + CS_ESCAPE.sub(lambda m: '\\' + m.group(), ''.join(letters)) + ']'
+
+
+def regex_opt_inner(strings, open_paren):
+    """Return a regex that matches any string in the sorted list of strings."""
+    close_paren = open_paren and ')' or ''
+    # print strings, repr(open_paren)
+    if not strings:
+        # print '-> nothing left'
+        return ''
+    first = strings[0]
+    if len(strings) == 1:
+        # print '-> only 1 string'
+        return open_paren + escape(first) + close_paren
+    if not first:
+        # print '-> first string empty'
+        return open_paren + regex_opt_inner(strings[1:], '(?:') \
+            + '?' + close_paren
+    if len(first) == 1:
+        # multiple one-char strings? make a charset
+        oneletter = []
+        rest = []
+        for s in strings:
+            if len(s) == 1:
+                oneletter.append(s)
+            else:
+                rest.append(s)
+        if len(oneletter) > 1:  # do we have more than one oneletter string?
+            if rest:
+                # print '-> 1-character + rest'
+                return open_paren + regex_opt_inner(rest, '') + '|' \
+                    + make_charset(oneletter) + close_paren
+            # print '-> only 1-character'
+            return open_paren + make_charset(oneletter) + close_paren
+    prefix = commonprefix(strings)
+    if prefix:
+        plen = len(prefix)
+        # we have a prefix for all strings
+        # print '-> prefix:', prefix
+        return open_paren + escape(prefix) \
+            + regex_opt_inner([s[plen:] for s in strings], '(?:') \
+            + close_paren
+    # is there a suffix?
+    strings_rev = [s[::-1] for s in strings]
+    suffix = commonprefix(strings_rev)
+    if suffix:
+        slen = len(suffix)
+        # print '-> suffix:', suffix[::-1]
+        return open_paren \
+            + regex_opt_inner(sorted(s[:-slen] for s in strings), '(?:') \
+            + escape(suffix[::-1]) + close_paren
+    # recurse on common 1-string prefixes
+    # print '-> last resort'
+    return open_paren + \
+        '|'.join(regex_opt_inner(list(group[1]), '')
+                 for group in groupby(strings, lambda s: s[0] == first[0])) \
+        + close_paren
+
+
+def regex_opt(strings, prefix='', suffix=''):
+    """Return a compiled regex that matches any string in the given list.
+
+    The strings to match must be literal strings, not regexes.  They will be
+    regex-escaped.
+
+    *prefix* and *suffix* are pre- and appended to the final regex.
+    """
+    strings = sorted(strings)
+    return prefix + regex_opt_inner(strings, '(') + suffix
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/scanner.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/scanner.py
new file mode 100644
index 00000000..32a2f303
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/scanner.py
@@ -0,0 +1,104 @@
+"""
+    pygments.scanner
+    ~~~~~~~~~~~~~~~~
+
+    This library implements a regex based scanner. Some languages
+    like Pascal are easy to parse but have some keywords that
+    depend on the context. Because of this it's impossible to lex
+    that just by using a regular expression lexer like the
+    `RegexLexer`.
+
+    Have a look at the `DelphiLexer` to get an idea of how to use
+    this scanner.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+import re
+
+
+class EndOfText(RuntimeError):
+    """
+    Raise if end of text is reached and the user
+    tried to call a match function.
+    """
+
+
+class Scanner:
+    """
+    Simple scanner
+
+    All method patterns are regular expression strings (not
+    compiled expressions!)
+    """
+
+    def __init__(self, text, flags=0):
+        """
+        :param text:    The text which should be scanned
+        :param flags:   default regular expression flags
+        """
+        self.data = text
+        self.data_length = len(text)
+        self.start_pos = 0
+        self.pos = 0
+        self.flags = flags
+        self.last = None
+        self.match = None
+        self._re_cache = {}
+
+    def eos(self):
+        """`True` if the scanner reached the end of text."""
+        return self.pos >= self.data_length
+    eos = property(eos, eos.__doc__)
+
+    def check(self, pattern):
+        """
+        Apply `pattern` on the current position and return
+        the match object. (Doesn't touch pos). Use this for
+        lookahead.
+        """
+        if self.eos:
+            raise EndOfText()
+        if pattern not in self._re_cache:
+            self._re_cache[pattern] = re.compile(pattern, self.flags)
+        return self._re_cache[pattern].match(self.data, self.pos)
+
+    def test(self, pattern):
+        """Apply a pattern on the current position and check
+        if it patches. Doesn't touch pos.
+        """
+        return self.check(pattern) is not None
+
+    def scan(self, pattern):
+        """
+        Scan the text for the given pattern and update pos/match
+        and related fields. The return value is a boolean that
+        indicates if the pattern matched. The matched value is
+        stored on the instance as ``match``, the last value is
+        stored as ``last``. ``start_pos`` is the position of the
+        pointer before the pattern was matched, ``pos`` is the
+        end position.
+        """
+        if self.eos:
+            raise EndOfText()
+        if pattern not in self._re_cache:
+            self._re_cache[pattern] = re.compile(pattern, self.flags)
+        self.last = self.match
+        m = self._re_cache[pattern].match(self.data, self.pos)
+        if m is None:
+            return False
+        self.start_pos = m.start()
+        self.pos = m.end()
+        self.match = m.group()
+        return True
+
+    def get_char(self):
+        """Scan exactly one char."""
+        self.scan('.')
+
+    def __repr__(self):
+        return '<%s %d/%d>' % (
+            self.__class__.__name__,
+            self.pos,
+            self.data_length
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/sphinxext.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/sphinxext.py
new file mode 100644
index 00000000..2c7facde
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/sphinxext.py
@@ -0,0 +1,217 @@
+"""
+    pygments.sphinxext
+    ~~~~~~~~~~~~~~~~~~
+
+    Sphinx extension to generate automatic documentation of lexers,
+    formatters and filters.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import sys
+
+from docutils import nodes
+from docutils.statemachine import ViewList
+from docutils.parsers.rst import Directive
+from sphinx.util.nodes import nested_parse_with_titles
+
+
+MODULEDOC = '''
+.. module:: %s
+
+%s
+%s
+'''
+
+LEXERDOC = '''
+.. class:: %s
+
+    :Short names: %s
+    :Filenames:   %s
+    :MIME types:  %s
+
+    %s
+
+'''
+
+FMTERDOC = '''
+.. class:: %s
+
+    :Short names: %s
+    :Filenames: %s
+
+    %s
+
+'''
+
+FILTERDOC = '''
+.. class:: %s
+
+    :Name: %s
+
+    %s
+
+'''
+
+
+class PygmentsDoc(Directive):
+    """
+    A directive to collect all lexers/formatters/filters and generate
+    autoclass directives for them.
+    """
+    has_content = False
+    required_arguments = 1
+    optional_arguments = 0
+    final_argument_whitespace = False
+    option_spec = {}
+
+    def run(self):
+        self.filenames = set()
+        if self.arguments[0] == 'lexers':
+            out = self.document_lexers()
+        elif self.arguments[0] == 'formatters':
+            out = self.document_formatters()
+        elif self.arguments[0] == 'filters':
+            out = self.document_filters()
+        elif self.arguments[0] == 'lexers_overview':
+            out = self.document_lexers_overview()
+        else:
+            raise Exception('invalid argument for "pygmentsdoc" directive')
+        node = nodes.compound()
+        vl = ViewList(out.split('\n'), source='')
+        nested_parse_with_titles(self.state, vl, node)
+        for fn in self.filenames:
+            self.state.document.settings.record_dependencies.add(fn)
+        return node.children
+
+    def document_lexers_overview(self):
+        """Generate a tabular overview of all lexers.
+
+        The columns are the lexer name, the extensions handled by this lexer
+        (or "None"), the aliases and a link to the lexer class."""
+        from pip._vendor.pygments.lexers._mapping import LEXERS
+        from pip._vendor.pygments.lexers import find_lexer_class
+        out = []
+
+        table = []
+
+        def format_link(name, url):
+            if url:
+                return f'`{name} <{url}>`_'
+            return name
+
+        for classname, data in sorted(LEXERS.items(), key=lambda x: x[1][1].lower()):
+            lexer_cls = find_lexer_class(data[1])
+            extensions = lexer_cls.filenames + lexer_cls.alias_filenames
+
+            table.append({
+                'name': format_link(data[1], lexer_cls.url),
+                'extensions': ', '.join(extensions).replace('*', '\\*').replace('_', '\\') or 'None',
+                'aliases': ', '.join(data[2]),
+                'class': f'{data[0]}.{classname}'
+            })
+
+        column_names = ['name', 'extensions', 'aliases', 'class']
+        column_lengths = [max([len(row[column]) for row in table if row[column]])
+                          for column in column_names]
+
+        def write_row(*columns):
+            """Format a table row"""
+            out = []
+            for l, c in zip(column_lengths, columns):
+                if c:
+                    out.append(c.ljust(l))
+                else:
+                    out.append(' '*l)
+
+            return ' '.join(out)
+
+        def write_seperator():
+            """Write a table separator row"""
+            sep = ['='*c for c in column_lengths]
+            return write_row(*sep)
+
+        out.append(write_seperator())
+        out.append(write_row('Name', 'Extension(s)', 'Short name(s)', 'Lexer class'))
+        out.append(write_seperator())
+        for row in table:
+            out.append(write_row(
+                row['name'],
+                row['extensions'],
+                row['aliases'],
+                f':class:`~{row["class"]}`'))
+        out.append(write_seperator())
+
+        return '\n'.join(out)
+
+    def document_lexers(self):
+        from pip._vendor.pygments.lexers._mapping import LEXERS
+        out = []
+        modules = {}
+        moduledocstrings = {}
+        for classname, data in sorted(LEXERS.items(), key=lambda x: x[0]):
+            module = data[0]
+            mod = __import__(module, None, None, [classname])
+            self.filenames.add(mod.__file__)
+            cls = getattr(mod, classname)
+            if not cls.__doc__:
+                print("Warning: %s does not have a docstring." % classname)
+            docstring = cls.__doc__
+            if isinstance(docstring, bytes):
+                docstring = docstring.decode('utf8')
+            modules.setdefault(module, []).append((
+                classname,
+                ', '.join(data[2]) or 'None',
+                ', '.join(data[3]).replace('*', '\\*').replace('_', '\\') or 'None',
+                ', '.join(data[4]) or 'None',
+                docstring))
+            if module not in moduledocstrings:
+                moddoc = mod.__doc__
+                if isinstance(moddoc, bytes):
+                    moddoc = moddoc.decode('utf8')
+                moduledocstrings[module] = moddoc
+
+        for module, lexers in sorted(modules.items(), key=lambda x: x[0]):
+            if moduledocstrings[module] is None:
+                raise Exception("Missing docstring for %s" % (module,))
+            heading = moduledocstrings[module].splitlines()[4].strip().rstrip('.')
+            out.append(MODULEDOC % (module, heading, '-'*len(heading)))
+            for data in lexers:
+                out.append(LEXERDOC % data)
+
+        return ''.join(out)
+
+    def document_formatters(self):
+        from pip._vendor.pygments.formatters import FORMATTERS
+
+        out = []
+        for classname, data in sorted(FORMATTERS.items(), key=lambda x: x[0]):
+            module = data[0]
+            mod = __import__(module, None, None, [classname])
+            self.filenames.add(mod.__file__)
+            cls = getattr(mod, classname)
+            docstring = cls.__doc__
+            if isinstance(docstring, bytes):
+                docstring = docstring.decode('utf8')
+            heading = cls.__name__
+            out.append(FMTERDOC % (heading, ', '.join(data[2]) or 'None',
+                                   ', '.join(data[3]).replace('*', '\\*') or 'None',
+                                   docstring))
+        return ''.join(out)
+
+    def document_filters(self):
+        from pip._vendor.pygments.filters import FILTERS
+
+        out = []
+        for name, cls in FILTERS.items():
+            self.filenames.add(sys.modules[cls.__module__].__file__)
+            docstring = cls.__doc__
+            if isinstance(docstring, bytes):
+                docstring = docstring.decode('utf8')
+            out.append(FILTERDOC % (cls.__name__, name, docstring))
+        return ''.join(out)
+
+
+def setup(app):
+    app.add_directive('pygmentsdoc', PygmentsDoc)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/style.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/style.py
new file mode 100644
index 00000000..edc19627
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/style.py
@@ -0,0 +1,197 @@
+"""
+    pygments.style
+    ~~~~~~~~~~~~~~
+
+    Basic style object.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.token import Token, STANDARD_TYPES
+
+# Default mapping of ansixxx to RGB colors.
+_ansimap = {
+    # dark
+    'ansiblack': '000000',
+    'ansired': '7f0000',
+    'ansigreen': '007f00',
+    'ansiyellow': '7f7fe0',
+    'ansiblue': '00007f',
+    'ansimagenta': '7f007f',
+    'ansicyan': '007f7f',
+    'ansigray': 'e5e5e5',
+    # normal
+    'ansibrightblack': '555555',
+    'ansibrightred': 'ff0000',
+    'ansibrightgreen': '00ff00',
+    'ansibrightyellow': 'ffff00',
+    'ansibrightblue': '0000ff',
+    'ansibrightmagenta': 'ff00ff',
+    'ansibrightcyan': '00ffff',
+    'ansiwhite': 'ffffff',
+}
+# mapping of deprecated #ansixxx colors to new color names
+_deprecated_ansicolors = {
+    # dark
+    '#ansiblack': 'ansiblack',
+    '#ansidarkred': 'ansired',
+    '#ansidarkgreen': 'ansigreen',
+    '#ansibrown': 'ansiyellow',
+    '#ansidarkblue': 'ansiblue',
+    '#ansipurple': 'ansimagenta',
+    '#ansiteal': 'ansicyan',
+    '#ansilightgray': 'ansigray',
+    # normal
+    '#ansidarkgray': 'ansibrightblack',
+    '#ansired': 'ansibrightred',
+    '#ansigreen': 'ansibrightgreen',
+    '#ansiyellow': 'ansibrightyellow',
+    '#ansiblue': 'ansibrightblue',
+    '#ansifuchsia': 'ansibrightmagenta',
+    '#ansiturquoise': 'ansibrightcyan',
+    '#ansiwhite': 'ansiwhite',
+}
+ansicolors = set(_ansimap)
+
+
+class StyleMeta(type):
+
+    def __new__(mcs, name, bases, dct):
+        obj = type.__new__(mcs, name, bases, dct)
+        for token in STANDARD_TYPES:
+            if token not in obj.styles:
+                obj.styles[token] = ''
+
+        def colorformat(text):
+            if text in ansicolors:
+                return text
+            if text[0:1] == '#':
+                col = text[1:]
+                if len(col) == 6:
+                    return col
+                elif len(col) == 3:
+                    return col[0] * 2 + col[1] * 2 + col[2] * 2
+            elif text == '':
+                return ''
+            elif text.startswith('var') or text.startswith('calc'):
+                return text
+            assert False, "wrong color format %r" % text
+
+        _styles = obj._styles = {}
+
+        for ttype in obj.styles:
+            for token in ttype.split():
+                if token in _styles:
+                    continue
+                ndef = _styles.get(token.parent, None)
+                styledefs = obj.styles.get(token, '').split()
+                if not ndef or token is None:
+                    ndef = ['', 0, 0, 0, '', '', 0, 0, 0]
+                elif 'noinherit' in styledefs and token is not Token:
+                    ndef = _styles[Token][:]
+                else:
+                    ndef = ndef[:]
+                _styles[token] = ndef
+                for styledef in obj.styles.get(token, '').split():
+                    if styledef == 'noinherit':
+                        pass
+                    elif styledef == 'bold':
+                        ndef[1] = 1
+                    elif styledef == 'nobold':
+                        ndef[1] = 0
+                    elif styledef == 'italic':
+                        ndef[2] = 1
+                    elif styledef == 'noitalic':
+                        ndef[2] = 0
+                    elif styledef == 'underline':
+                        ndef[3] = 1
+                    elif styledef == 'nounderline':
+                        ndef[3] = 0
+                    elif styledef[:3] == 'bg:':
+                        ndef[4] = colorformat(styledef[3:])
+                    elif styledef[:7] == 'border:':
+                        ndef[5] = colorformat(styledef[7:])
+                    elif styledef == 'roman':
+                        ndef[6] = 1
+                    elif styledef == 'sans':
+                        ndef[7] = 1
+                    elif styledef == 'mono':
+                        ndef[8] = 1
+                    else:
+                        ndef[0] = colorformat(styledef)
+
+        return obj
+
+    def style_for_token(cls, token):
+        t = cls._styles[token]
+        ansicolor = bgansicolor = None
+        color = t[0]
+        if color in _deprecated_ansicolors:
+            color = _deprecated_ansicolors[color]
+        if color in ansicolors:
+            ansicolor = color
+            color = _ansimap[color]
+        bgcolor = t[4]
+        if bgcolor in _deprecated_ansicolors:
+            bgcolor = _deprecated_ansicolors[bgcolor]
+        if bgcolor in ansicolors:
+            bgansicolor = bgcolor
+            bgcolor = _ansimap[bgcolor]
+
+        return {
+            'color':        color or None,
+            'bold':         bool(t[1]),
+            'italic':       bool(t[2]),
+            'underline':    bool(t[3]),
+            'bgcolor':      bgcolor or None,
+            'border':       t[5] or None,
+            'roman':        bool(t[6]) or None,
+            'sans':         bool(t[7]) or None,
+            'mono':         bool(t[8]) or None,
+            'ansicolor':    ansicolor,
+            'bgansicolor':  bgansicolor,
+        }
+
+    def list_styles(cls):
+        return list(cls)
+
+    def styles_token(cls, ttype):
+        return ttype in cls._styles
+
+    def __iter__(cls):
+        for token in cls._styles:
+            yield token, cls.style_for_token(token)
+
+    def __len__(cls):
+        return len(cls._styles)
+
+
+class Style(metaclass=StyleMeta):
+
+    #: overall background color (``None`` means transparent)
+    background_color = '#ffffff'
+
+    #: highlight background color
+    highlight_color = '#ffffcc'
+
+    #: line number font color
+    line_number_color = 'inherit'
+
+    #: line number background color
+    line_number_background_color = 'transparent'
+
+    #: special line number font color
+    line_number_special_color = '#000000'
+
+    #: special line number background color
+    line_number_special_background_color = '#ffffc0'
+
+    #: Style definitions for individual token types.
+    styles = {}
+
+    # Attribute for lexers defined within Pygments. If set
+    # to True, the style is not shown in the style gallery
+    # on the website. This is intended for language-specific
+    # styles.
+    web_style_gallery_exclude = False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/styles/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/styles/__init__.py
new file mode 100644
index 00000000..7401cf5d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/styles/__init__.py
@@ -0,0 +1,103 @@
+"""
+    pygments.styles
+    ~~~~~~~~~~~~~~~
+
+    Contains built-in styles.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pip._vendor.pygments.plugin import find_plugin_styles
+from pip._vendor.pygments.util import ClassNotFound
+
+#: A dictionary of built-in styles, mapping style names to
+#: ``'submodule::classname'`` strings.
+STYLE_MAP = {
+    'default':  'default::DefaultStyle',
+    'emacs':    'emacs::EmacsStyle',
+    'friendly': 'friendly::FriendlyStyle',
+    'friendly_grayscale': 'friendly_grayscale::FriendlyGrayscaleStyle',
+    'colorful': 'colorful::ColorfulStyle',
+    'autumn':   'autumn::AutumnStyle',
+    'murphy':   'murphy::MurphyStyle',
+    'manni':    'manni::ManniStyle',
+    'material': 'material::MaterialStyle',
+    'monokai':  'monokai::MonokaiStyle',
+    'perldoc':  'perldoc::PerldocStyle',
+    'pastie':   'pastie::PastieStyle',
+    'borland':  'borland::BorlandStyle',
+    'trac':     'trac::TracStyle',
+    'native':   'native::NativeStyle',
+    'fruity':   'fruity::FruityStyle',
+    'bw':       'bw::BlackWhiteStyle',
+    'vim':      'vim::VimStyle',
+    'vs':       'vs::VisualStudioStyle',
+    'tango':    'tango::TangoStyle',
+    'rrt':      'rrt::RrtStyle',
+    'xcode':    'xcode::XcodeStyle',
+    'igor':     'igor::IgorStyle',
+    'paraiso-light': 'paraiso_light::ParaisoLightStyle',
+    'paraiso-dark': 'paraiso_dark::ParaisoDarkStyle',
+    'lovelace': 'lovelace::LovelaceStyle',
+    'algol':    'algol::AlgolStyle',
+    'algol_nu': 'algol_nu::Algol_NuStyle',
+    'arduino':  'arduino::ArduinoStyle',
+    'rainbow_dash': 'rainbow_dash::RainbowDashStyle',
+    'abap':     'abap::AbapStyle',
+    'solarized-dark': 'solarized::SolarizedDarkStyle',
+    'solarized-light': 'solarized::SolarizedLightStyle',
+    'sas':         'sas::SasStyle',
+    'staroffice' : 'staroffice::StarofficeStyle',
+    'stata':       'stata_light::StataLightStyle',
+    'stata-light': 'stata_light::StataLightStyle',
+    'stata-dark':  'stata_dark::StataDarkStyle',
+    'inkpot':      'inkpot::InkPotStyle',
+    'zenburn': 'zenburn::ZenburnStyle',
+    'gruvbox-dark': 'gruvbox::GruvboxDarkStyle',
+    'gruvbox-light': 'gruvbox::GruvboxLightStyle',
+    'dracula': 'dracula::DraculaStyle',
+    'one-dark': 'onedark::OneDarkStyle',
+    'lilypond' : 'lilypond::LilyPondStyle',
+    'nord': 'nord::NordStyle',
+    'nord-darker': 'nord::NordDarkerStyle',
+    'github-dark': 'gh_dark::GhDarkStyle'
+}
+
+
+def get_style_by_name(name):
+    """
+    Return a style class by its short name. The names of the builtin styles
+    are listed in :data:`pygments.styles.STYLE_MAP`.
+
+    Will raise :exc:`pygments.util.ClassNotFound` if no style of that name is
+    found.
+    """
+    if name in STYLE_MAP:
+        mod, cls = STYLE_MAP[name].split('::')
+        builtin = "yes"
+    else:
+        for found_name, style in find_plugin_styles():
+            if name == found_name:
+                return style
+        # perhaps it got dropped into our styles package
+        builtin = ""
+        mod = name
+        cls = name.title() + "Style"
+
+    try:
+        mod = __import__('pygments.styles.' + mod, None, None, [cls])
+    except ImportError:
+        raise ClassNotFound("Could not find style module %r" % mod +
+                         (builtin and ", though it should be builtin") + ".")
+    try:
+        return getattr(mod, cls)
+    except AttributeError:
+        raise ClassNotFound("Could not find style class %r in style module." % cls)
+
+
+def get_all_styles():
+    """Return a generator for all styles by name, both builtin and plugin."""
+    yield from STYLE_MAP
+    for name, _ in find_plugin_styles():
+        yield name
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/styles/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/styles/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..04929a10
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/styles/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/token.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/token.py
new file mode 100644
index 00000000..7395cb6a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/token.py
@@ -0,0 +1,213 @@
+"""
+    pygments.token
+    ~~~~~~~~~~~~~~
+
+    Basic token types and the standard tokens.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+
+class _TokenType(tuple):
+    parent = None
+
+    def split(self):
+        buf = []
+        node = self
+        while node is not None:
+            buf.append(node)
+            node = node.parent
+        buf.reverse()
+        return buf
+
+    def __init__(self, *args):
+        # no need to call super.__init__
+        self.subtypes = set()
+
+    def __contains__(self, val):
+        return self is val or (
+            type(val) is self.__class__ and
+            val[:len(self)] == self
+        )
+
+    def __getattr__(self, val):
+        if not val or not val[0].isupper():
+            return tuple.__getattribute__(self, val)
+        new = _TokenType(self + (val,))
+        setattr(self, val, new)
+        self.subtypes.add(new)
+        new.parent = self
+        return new
+
+    def __repr__(self):
+        return 'Token' + (self and '.' or '') + '.'.join(self)
+
+    def __copy__(self):
+        # These instances are supposed to be singletons
+        return self
+
+    def __deepcopy__(self, memo):
+        # These instances are supposed to be singletons
+        return self
+
+
+Token = _TokenType()
+
+# Special token types
+Text = Token.Text
+Whitespace = Text.Whitespace
+Escape = Token.Escape
+Error = Token.Error
+# Text that doesn't belong to this lexer (e.g. HTML in PHP)
+Other = Token.Other
+
+# Common token types for source code
+Keyword = Token.Keyword
+Name = Token.Name
+Literal = Token.Literal
+String = Literal.String
+Number = Literal.Number
+Punctuation = Token.Punctuation
+Operator = Token.Operator
+Comment = Token.Comment
+
+# Generic types for non-source code
+Generic = Token.Generic
+
+# String and some others are not direct children of Token.
+# alias them:
+Token.Token = Token
+Token.String = String
+Token.Number = Number
+
+
+def is_token_subtype(ttype, other):
+    """
+    Return True if ``ttype`` is a subtype of ``other``.
+
+    exists for backwards compatibility. use ``ttype in other`` now.
+    """
+    return ttype in other
+
+
+def string_to_tokentype(s):
+    """
+    Convert a string into a token type::
+
+        >>> string_to_token('String.Double')
+        Token.Literal.String.Double
+        >>> string_to_token('Token.Literal.Number')
+        Token.Literal.Number
+        >>> string_to_token('')
+        Token
+
+    Tokens that are already tokens are returned unchanged:
+
+        >>> string_to_token(String)
+        Token.Literal.String
+    """
+    if isinstance(s, _TokenType):
+        return s
+    if not s:
+        return Token
+    node = Token
+    for item in s.split('.'):
+        node = getattr(node, item)
+    return node
+
+
+# Map standard token types to short names, used in CSS class naming.
+# If you add a new item, please be sure to run this file to perform
+# a consistency check for duplicate values.
+STANDARD_TYPES = {
+    Token:                         '',
+
+    Text:                          '',
+    Whitespace:                    'w',
+    Escape:                        'esc',
+    Error:                         'err',
+    Other:                         'x',
+
+    Keyword:                       'k',
+    Keyword.Constant:              'kc',
+    Keyword.Declaration:           'kd',
+    Keyword.Namespace:             'kn',
+    Keyword.Pseudo:                'kp',
+    Keyword.Reserved:              'kr',
+    Keyword.Type:                  'kt',
+
+    Name:                          'n',
+    Name.Attribute:                'na',
+    Name.Builtin:                  'nb',
+    Name.Builtin.Pseudo:           'bp',
+    Name.Class:                    'nc',
+    Name.Constant:                 'no',
+    Name.Decorator:                'nd',
+    Name.Entity:                   'ni',
+    Name.Exception:                'ne',
+    Name.Function:                 'nf',
+    Name.Function.Magic:           'fm',
+    Name.Property:                 'py',
+    Name.Label:                    'nl',
+    Name.Namespace:                'nn',
+    Name.Other:                    'nx',
+    Name.Tag:                      'nt',
+    Name.Variable:                 'nv',
+    Name.Variable.Class:           'vc',
+    Name.Variable.Global:          'vg',
+    Name.Variable.Instance:        'vi',
+    Name.Variable.Magic:           'vm',
+
+    Literal:                       'l',
+    Literal.Date:                  'ld',
+
+    String:                        's',
+    String.Affix:                  'sa',
+    String.Backtick:               'sb',
+    String.Char:                   'sc',
+    String.Delimiter:              'dl',
+    String.Doc:                    'sd',
+    String.Double:                 's2',
+    String.Escape:                 'se',
+    String.Heredoc:                'sh',
+    String.Interpol:               'si',
+    String.Other:                  'sx',
+    String.Regex:                  'sr',
+    String.Single:                 's1',
+    String.Symbol:                 'ss',
+
+    Number:                        'm',
+    Number.Bin:                    'mb',
+    Number.Float:                  'mf',
+    Number.Hex:                    'mh',
+    Number.Integer:                'mi',
+    Number.Integer.Long:           'il',
+    Number.Oct:                    'mo',
+
+    Operator:                      'o',
+    Operator.Word:                 'ow',
+
+    Punctuation:                   'p',
+    Punctuation.Marker:            'pm',
+
+    Comment:                       'c',
+    Comment.Hashbang:              'ch',
+    Comment.Multiline:             'cm',
+    Comment.Preproc:               'cp',
+    Comment.PreprocFile:           'cpf',
+    Comment.Single:                'c1',
+    Comment.Special:               'cs',
+
+    Generic:                       'g',
+    Generic.Deleted:               'gd',
+    Generic.Emph:                  'ge',
+    Generic.Error:                 'gr',
+    Generic.Heading:               'gh',
+    Generic.Inserted:              'gi',
+    Generic.Output:                'go',
+    Generic.Prompt:                'gp',
+    Generic.Strong:                'gs',
+    Generic.Subheading:            'gu',
+    Generic.Traceback:             'gt',
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/unistring.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/unistring.py
new file mode 100644
index 00000000..39f6baee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/unistring.py
@@ -0,0 +1,153 @@
+"""
+    pygments.unistring
+    ~~~~~~~~~~~~~~~~~~
+
+    Strings of all Unicode characters of a certain category.
+    Used for matching in Unicode-aware languages. Run to regenerate.
+
+    Inspired by chartypes_create.py from the MoinMoin project.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+Cc = '\x00-\x1f\x7f-\x9f'
+
+Cf = '\xad\u0600-\u0605\u061c\u06dd\u070f\u08e2\u180e\u200b-\u200f\u202a-\u202e\u2060-\u2064\u2066-\u206f\ufeff\ufff9-\ufffb\U000110bd\U000110cd\U0001bca0-\U0001bca3\U0001d173-\U0001d17a\U000e0001\U000e0020-\U000e007f'
+
+Cn = '\u0378-\u0379\u0380-\u0383\u038b\u038d\u03a2\u0530\u0557-\u0558\u058b-\u058c\u0590\u05c8-\u05cf\u05eb-\u05ee\u05f5-\u05ff\u061d\u070e\u074b-\u074c\u07b2-\u07bf\u07fb-\u07fc\u082e-\u082f\u083f\u085c-\u085d\u085f\u086b-\u089f\u08b5\u08be-\u08d2\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09bb\u09c5-\u09c6\u09c9-\u09ca\u09cf-\u09d6\u09d8-\u09db\u09de\u09e4-\u09e5\u09ff-\u0a00\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a3b\u0a3d\u0a43-\u0a46\u0a49-\u0a4a\u0a4e-\u0a50\u0a52-\u0a58\u0a5d\u0a5f-\u0a65\u0a77-\u0a80\u0a84\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abb\u0ac6\u0aca\u0ace-\u0acf\u0ad1-\u0adf\u0ae4-\u0ae5\u0af2-\u0af8\u0b00\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34\u0b3a-\u0b3b\u0b45-\u0b46\u0b49-\u0b4a\u0b4e-\u0b55\u0b58-\u0b5b\u0b5e\u0b64-\u0b65\u0b78-\u0b81\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bba-\u0bbd\u0bc3-\u0bc5\u0bc9\u0bce-\u0bcf\u0bd1-\u0bd6\u0bd8-\u0be5\u0bfb-\u0bff\u0c0d\u0c11\u0c29\u0c3a-\u0c3c\u0c45\u0c49\u0c4e-\u0c54\u0c57\u0c5b-\u0c5f\u0c64-\u0c65\u0c70-\u0c77\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cbb\u0cc5\u0cc9\u0cce-\u0cd4\u0cd7-\u0cdd\u0cdf\u0ce4-\u0ce5\u0cf0\u0cf3-\u0cff\u0d04\u0d0d\u0d11\u0d45\u0d49\u0d50-\u0d53\u0d64-\u0d65\u0d80-\u0d81\u0d84\u0d97-\u0d99\u0db2\u0dbc\u0dbe-\u0dbf\u0dc7-\u0dc9\u0dcb-\u0dce\u0dd5\u0dd7\u0de0-\u0de5\u0df0-\u0df1\u0df5-\u0e00\u0e3b-\u0e3e\u0e5c-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eba\u0ebe-\u0ebf\u0ec5\u0ec7\u0ece-\u0ecf\u0eda-\u0edb\u0ee0-\u0eff\u0f48\u0f6d-\u0f70\u0f98\u0fbd\u0fcd\u0fdb-\u0fff\u10c6\u10c8-\u10cc\u10ce-\u10cf\u1249\u124e-\u124f\u1257\u1259\u125e-\u125f\u1289\u128e-\u128f\u12b1\u12b6-\u12b7\u12bf\u12c1\u12c6-\u12c7\u12d7\u1311\u1316-\u1317\u135b-\u135c\u137d-\u137f\u139a-\u139f\u13f6-\u13f7\u13fe-\u13ff\u169d-\u169f\u16f9-\u16ff\u170d\u1715-\u171f\u1737-\u173f\u1754-\u175f\u176d\u1771\u1774-\u177f\u17de-\u17df\u17ea-\u17ef\u17fa-\u17ff\u180f\u181a-\u181f\u1879-\u187f\u18ab-\u18af\u18f6-\u18ff\u191f\u192c-\u192f\u193c-\u193f\u1941-\u1943\u196e-\u196f\u1975-\u197f\u19ac-\u19af\u19ca-\u19cf\u19db-\u19dd\u1a1c-\u1a1d\u1a5f\u1a7d-\u1a7e\u1a8a-\u1a8f\u1a9a-\u1a9f\u1aae-\u1aaf\u1abf-\u1aff\u1b4c-\u1b4f\u1b7d-\u1b7f\u1bf4-\u1bfb\u1c38-\u1c3a\u1c4a-\u1c4c\u1c89-\u1c8f\u1cbb-\u1cbc\u1cc8-\u1ccf\u1cfa-\u1cff\u1dfa\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fc5\u1fd4-\u1fd5\u1fdc\u1ff0-\u1ff1\u1ff5\u1fff\u2065\u2072-\u2073\u208f\u209d-\u209f\u20c0-\u20cf\u20f1-\u20ff\u218c-\u218f\u2427-\u243f\u244b-\u245f\u2b74-\u2b75\u2b96-\u2b97\u2bc9\u2bff\u2c2f\u2c5f\u2cf4-\u2cf8\u2d26\u2d28-\u2d2c\u2d2e-\u2d2f\u2d68-\u2d6e\u2d71-\u2d7e\u2d97-\u2d9f\u2da7\u2daf\u2db7\u2dbf\u2dc7\u2dcf\u2dd7\u2ddf\u2e4f-\u2e7f\u2e9a\u2ef4-\u2eff\u2fd6-\u2fef\u2ffc-\u2fff\u3040\u3097-\u3098\u3100-\u3104\u3130\u318f\u31bb-\u31bf\u31e4-\u31ef\u321f\u32ff\u4db6-\u4dbf\u9ff0-\u9fff\ua48d-\ua48f\ua4c7-\ua4cf\ua62c-\ua63f\ua6f8-\ua6ff\ua7ba-\ua7f6\ua82c-\ua82f\ua83a-\ua83f\ua878-\ua87f\ua8c6-\ua8cd\ua8da-\ua8df\ua954-\ua95e\ua97d-\ua97f\ua9ce\ua9da-\ua9dd\ua9ff\uaa37-\uaa3f\uaa4e-\uaa4f\uaa5a-\uaa5b\uaac3-\uaada\uaaf7-\uab00\uab07-\uab08\uab0f-\uab10\uab17-\uab1f\uab27\uab2f\uab66-\uab6f\uabee-\uabef\uabfa-\uabff\ud7a4-\ud7af\ud7c7-\ud7ca\ud7fc-\ud7ff\ufa6e-\ufa6f\ufada-\ufaff\ufb07-\ufb12\ufb18-\ufb1c\ufb37\ufb3d\ufb3f\ufb42\ufb45\ufbc2-\ufbd2\ufd40-\ufd4f\ufd90-\ufd91\ufdc8-\ufdef\ufdfe-\ufdff\ufe1a-\ufe1f\ufe53\ufe67\ufe6c-\ufe6f\ufe75\ufefd-\ufefe\uff00\uffbf-\uffc1\uffc8-\uffc9\uffd0-\uffd1\uffd8-\uffd9\uffdd-\uffdf\uffe7\uffef-\ufff8\ufffe-\uffff\U0001000c\U00010027\U0001003b\U0001003e\U0001004e-\U0001004f\U0001005e-\U0001007f\U000100fb-\U000100ff\U00010103-\U00010106\U00010134-\U00010136\U0001018f\U0001019c-\U0001019f\U000101a1-\U000101cf\U000101fe-\U0001027f\U0001029d-\U0001029f\U000102d1-\U000102df\U000102fc-\U000102ff\U00010324-\U0001032c\U0001034b-\U0001034f\U0001037b-\U0001037f\U0001039e\U000103c4-\U000103c7\U000103d6-\U000103ff\U0001049e-\U0001049f\U000104aa-\U000104af\U000104d4-\U000104d7\U000104fc-\U000104ff\U00010528-\U0001052f\U00010564-\U0001056e\U00010570-\U000105ff\U00010737-\U0001073f\U00010756-\U0001075f\U00010768-\U000107ff\U00010806-\U00010807\U00010809\U00010836\U00010839-\U0001083b\U0001083d-\U0001083e\U00010856\U0001089f-\U000108a6\U000108b0-\U000108df\U000108f3\U000108f6-\U000108fa\U0001091c-\U0001091e\U0001093a-\U0001093e\U00010940-\U0001097f\U000109b8-\U000109bb\U000109d0-\U000109d1\U00010a04\U00010a07-\U00010a0b\U00010a14\U00010a18\U00010a36-\U00010a37\U00010a3b-\U00010a3e\U00010a49-\U00010a4f\U00010a59-\U00010a5f\U00010aa0-\U00010abf\U00010ae7-\U00010aea\U00010af7-\U00010aff\U00010b36-\U00010b38\U00010b56-\U00010b57\U00010b73-\U00010b77\U00010b92-\U00010b98\U00010b9d-\U00010ba8\U00010bb0-\U00010bff\U00010c49-\U00010c7f\U00010cb3-\U00010cbf\U00010cf3-\U00010cf9\U00010d28-\U00010d2f\U00010d3a-\U00010e5f\U00010e7f-\U00010eff\U00010f28-\U00010f2f\U00010f5a-\U00010fff\U0001104e-\U00011051\U00011070-\U0001107e\U000110c2-\U000110cc\U000110ce-\U000110cf\U000110e9-\U000110ef\U000110fa-\U000110ff\U00011135\U00011147-\U0001114f\U00011177-\U0001117f\U000111ce-\U000111cf\U000111e0\U000111f5-\U000111ff\U00011212\U0001123f-\U0001127f\U00011287\U00011289\U0001128e\U0001129e\U000112aa-\U000112af\U000112eb-\U000112ef\U000112fa-\U000112ff\U00011304\U0001130d-\U0001130e\U00011311-\U00011312\U00011329\U00011331\U00011334\U0001133a\U00011345-\U00011346\U00011349-\U0001134a\U0001134e-\U0001134f\U00011351-\U00011356\U00011358-\U0001135c\U00011364-\U00011365\U0001136d-\U0001136f\U00011375-\U000113ff\U0001145a\U0001145c\U0001145f-\U0001147f\U000114c8-\U000114cf\U000114da-\U0001157f\U000115b6-\U000115b7\U000115de-\U000115ff\U00011645-\U0001164f\U0001165a-\U0001165f\U0001166d-\U0001167f\U000116b8-\U000116bf\U000116ca-\U000116ff\U0001171b-\U0001171c\U0001172c-\U0001172f\U00011740-\U000117ff\U0001183c-\U0001189f\U000118f3-\U000118fe\U00011900-\U000119ff\U00011a48-\U00011a4f\U00011a84-\U00011a85\U00011aa3-\U00011abf\U00011af9-\U00011bff\U00011c09\U00011c37\U00011c46-\U00011c4f\U00011c6d-\U00011c6f\U00011c90-\U00011c91\U00011ca8\U00011cb7-\U00011cff\U00011d07\U00011d0a\U00011d37-\U00011d39\U00011d3b\U00011d3e\U00011d48-\U00011d4f\U00011d5a-\U00011d5f\U00011d66\U00011d69\U00011d8f\U00011d92\U00011d99-\U00011d9f\U00011daa-\U00011edf\U00011ef9-\U00011fff\U0001239a-\U000123ff\U0001246f\U00012475-\U0001247f\U00012544-\U00012fff\U0001342f-\U000143ff\U00014647-\U000167ff\U00016a39-\U00016a3f\U00016a5f\U00016a6a-\U00016a6d\U00016a70-\U00016acf\U00016aee-\U00016aef\U00016af6-\U00016aff\U00016b46-\U00016b4f\U00016b5a\U00016b62\U00016b78-\U00016b7c\U00016b90-\U00016e3f\U00016e9b-\U00016eff\U00016f45-\U00016f4f\U00016f7f-\U00016f8e\U00016fa0-\U00016fdf\U00016fe2-\U00016fff\U000187f2-\U000187ff\U00018af3-\U0001afff\U0001b11f-\U0001b16f\U0001b2fc-\U0001bbff\U0001bc6b-\U0001bc6f\U0001bc7d-\U0001bc7f\U0001bc89-\U0001bc8f\U0001bc9a-\U0001bc9b\U0001bca4-\U0001cfff\U0001d0f6-\U0001d0ff\U0001d127-\U0001d128\U0001d1e9-\U0001d1ff\U0001d246-\U0001d2df\U0001d2f4-\U0001d2ff\U0001d357-\U0001d35f\U0001d379-\U0001d3ff\U0001d455\U0001d49d\U0001d4a0-\U0001d4a1\U0001d4a3-\U0001d4a4\U0001d4a7-\U0001d4a8\U0001d4ad\U0001d4ba\U0001d4bc\U0001d4c4\U0001d506\U0001d50b-\U0001d50c\U0001d515\U0001d51d\U0001d53a\U0001d53f\U0001d545\U0001d547-\U0001d549\U0001d551\U0001d6a6-\U0001d6a7\U0001d7cc-\U0001d7cd\U0001da8c-\U0001da9a\U0001daa0\U0001dab0-\U0001dfff\U0001e007\U0001e019-\U0001e01a\U0001e022\U0001e025\U0001e02b-\U0001e7ff\U0001e8c5-\U0001e8c6\U0001e8d7-\U0001e8ff\U0001e94b-\U0001e94f\U0001e95a-\U0001e95d\U0001e960-\U0001ec70\U0001ecb5-\U0001edff\U0001ee04\U0001ee20\U0001ee23\U0001ee25-\U0001ee26\U0001ee28\U0001ee33\U0001ee38\U0001ee3a\U0001ee3c-\U0001ee41\U0001ee43-\U0001ee46\U0001ee48\U0001ee4a\U0001ee4c\U0001ee50\U0001ee53\U0001ee55-\U0001ee56\U0001ee58\U0001ee5a\U0001ee5c\U0001ee5e\U0001ee60\U0001ee63\U0001ee65-\U0001ee66\U0001ee6b\U0001ee73\U0001ee78\U0001ee7d\U0001ee7f\U0001ee8a\U0001ee9c-\U0001eea0\U0001eea4\U0001eeaa\U0001eebc-\U0001eeef\U0001eef2-\U0001efff\U0001f02c-\U0001f02f\U0001f094-\U0001f09f\U0001f0af-\U0001f0b0\U0001f0c0\U0001f0d0\U0001f0f6-\U0001f0ff\U0001f10d-\U0001f10f\U0001f16c-\U0001f16f\U0001f1ad-\U0001f1e5\U0001f203-\U0001f20f\U0001f23c-\U0001f23f\U0001f249-\U0001f24f\U0001f252-\U0001f25f\U0001f266-\U0001f2ff\U0001f6d5-\U0001f6df\U0001f6ed-\U0001f6ef\U0001f6fa-\U0001f6ff\U0001f774-\U0001f77f\U0001f7d9-\U0001f7ff\U0001f80c-\U0001f80f\U0001f848-\U0001f84f\U0001f85a-\U0001f85f\U0001f888-\U0001f88f\U0001f8ae-\U0001f8ff\U0001f90c-\U0001f90f\U0001f93f\U0001f971-\U0001f972\U0001f977-\U0001f979\U0001f97b\U0001f9a3-\U0001f9af\U0001f9ba-\U0001f9bf\U0001f9c3-\U0001f9cf\U0001fa00-\U0001fa5f\U0001fa6e-\U0001ffff\U0002a6d7-\U0002a6ff\U0002b735-\U0002b73f\U0002b81e-\U0002b81f\U0002cea2-\U0002ceaf\U0002ebe1-\U0002f7ff\U0002fa1e-\U000e0000\U000e0002-\U000e001f\U000e0080-\U000e00ff\U000e01f0-\U000effff\U000ffffe-\U000fffff\U0010fffe-\U0010ffff'
+
+Co = '\ue000-\uf8ff\U000f0000-\U000ffffd\U00100000-\U0010fffd'
+
+Cs = '\ud800-\udbff\\\udc00\udc01-\udfff'
+
+Ll = 'a-z\xb5\xdf-\xf6\xf8-\xff\u0101\u0103\u0105\u0107\u0109\u010b\u010d\u010f\u0111\u0113\u0115\u0117\u0119\u011b\u011d\u011f\u0121\u0123\u0125\u0127\u0129\u012b\u012d\u012f\u0131\u0133\u0135\u0137-\u0138\u013a\u013c\u013e\u0140\u0142\u0144\u0146\u0148-\u0149\u014b\u014d\u014f\u0151\u0153\u0155\u0157\u0159\u015b\u015d\u015f\u0161\u0163\u0165\u0167\u0169\u016b\u016d\u016f\u0171\u0173\u0175\u0177\u017a\u017c\u017e-\u0180\u0183\u0185\u0188\u018c-\u018d\u0192\u0195\u0199-\u019b\u019e\u01a1\u01a3\u01a5\u01a8\u01aa-\u01ab\u01ad\u01b0\u01b4\u01b6\u01b9-\u01ba\u01bd-\u01bf\u01c6\u01c9\u01cc\u01ce\u01d0\u01d2\u01d4\u01d6\u01d8\u01da\u01dc-\u01dd\u01df\u01e1\u01e3\u01e5\u01e7\u01e9\u01eb\u01ed\u01ef-\u01f0\u01f3\u01f5\u01f9\u01fb\u01fd\u01ff\u0201\u0203\u0205\u0207\u0209\u020b\u020d\u020f\u0211\u0213\u0215\u0217\u0219\u021b\u021d\u021f\u0221\u0223\u0225\u0227\u0229\u022b\u022d\u022f\u0231\u0233-\u0239\u023c\u023f-\u0240\u0242\u0247\u0249\u024b\u024d\u024f-\u0293\u0295-\u02af\u0371\u0373\u0377\u037b-\u037d\u0390\u03ac-\u03ce\u03d0-\u03d1\u03d5-\u03d7\u03d9\u03db\u03dd\u03df\u03e1\u03e3\u03e5\u03e7\u03e9\u03eb\u03ed\u03ef-\u03f3\u03f5\u03f8\u03fb-\u03fc\u0430-\u045f\u0461\u0463\u0465\u0467\u0469\u046b\u046d\u046f\u0471\u0473\u0475\u0477\u0479\u047b\u047d\u047f\u0481\u048b\u048d\u048f\u0491\u0493\u0495\u0497\u0499\u049b\u049d\u049f\u04a1\u04a3\u04a5\u04a7\u04a9\u04ab\u04ad\u04af\u04b1\u04b3\u04b5\u04b7\u04b9\u04bb\u04bd\u04bf\u04c2\u04c4\u04c6\u04c8\u04ca\u04cc\u04ce-\u04cf\u04d1\u04d3\u04d5\u04d7\u04d9\u04db\u04dd\u04df\u04e1\u04e3\u04e5\u04e7\u04e9\u04eb\u04ed\u04ef\u04f1\u04f3\u04f5\u04f7\u04f9\u04fb\u04fd\u04ff\u0501\u0503\u0505\u0507\u0509\u050b\u050d\u050f\u0511\u0513\u0515\u0517\u0519\u051b\u051d\u051f\u0521\u0523\u0525\u0527\u0529\u052b\u052d\u052f\u0560-\u0588\u10d0-\u10fa\u10fd-\u10ff\u13f8-\u13fd\u1c80-\u1c88\u1d00-\u1d2b\u1d6b-\u1d77\u1d79-\u1d9a\u1e01\u1e03\u1e05\u1e07\u1e09\u1e0b\u1e0d\u1e0f\u1e11\u1e13\u1e15\u1e17\u1e19\u1e1b\u1e1d\u1e1f\u1e21\u1e23\u1e25\u1e27\u1e29\u1e2b\u1e2d\u1e2f\u1e31\u1e33\u1e35\u1e37\u1e39\u1e3b\u1e3d\u1e3f\u1e41\u1e43\u1e45\u1e47\u1e49\u1e4b\u1e4d\u1e4f\u1e51\u1e53\u1e55\u1e57\u1e59\u1e5b\u1e5d\u1e5f\u1e61\u1e63\u1e65\u1e67\u1e69\u1e6b\u1e6d\u1e6f\u1e71\u1e73\u1e75\u1e77\u1e79\u1e7b\u1e7d\u1e7f\u1e81\u1e83\u1e85\u1e87\u1e89\u1e8b\u1e8d\u1e8f\u1e91\u1e93\u1e95-\u1e9d\u1e9f\u1ea1\u1ea3\u1ea5\u1ea7\u1ea9\u1eab\u1ead\u1eaf\u1eb1\u1eb3\u1eb5\u1eb7\u1eb9\u1ebb\u1ebd\u1ebf\u1ec1\u1ec3\u1ec5\u1ec7\u1ec9\u1ecb\u1ecd\u1ecf\u1ed1\u1ed3\u1ed5\u1ed7\u1ed9\u1edb\u1edd\u1edf\u1ee1\u1ee3\u1ee5\u1ee7\u1ee9\u1eeb\u1eed\u1eef\u1ef1\u1ef3\u1ef5\u1ef7\u1ef9\u1efb\u1efd\u1eff-\u1f07\u1f10-\u1f15\u1f20-\u1f27\u1f30-\u1f37\u1f40-\u1f45\u1f50-\u1f57\u1f60-\u1f67\u1f70-\u1f7d\u1f80-\u1f87\u1f90-\u1f97\u1fa0-\u1fa7\u1fb0-\u1fb4\u1fb6-\u1fb7\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fc7\u1fd0-\u1fd3\u1fd6-\u1fd7\u1fe0-\u1fe7\u1ff2-\u1ff4\u1ff6-\u1ff7\u210a\u210e-\u210f\u2113\u212f\u2134\u2139\u213c-\u213d\u2146-\u2149\u214e\u2184\u2c30-\u2c5e\u2c61\u2c65-\u2c66\u2c68\u2c6a\u2c6c\u2c71\u2c73-\u2c74\u2c76-\u2c7b\u2c81\u2c83\u2c85\u2c87\u2c89\u2c8b\u2c8d\u2c8f\u2c91\u2c93\u2c95\u2c97\u2c99\u2c9b\u2c9d\u2c9f\u2ca1\u2ca3\u2ca5\u2ca7\u2ca9\u2cab\u2cad\u2caf\u2cb1\u2cb3\u2cb5\u2cb7\u2cb9\u2cbb\u2cbd\u2cbf\u2cc1\u2cc3\u2cc5\u2cc7\u2cc9\u2ccb\u2ccd\u2ccf\u2cd1\u2cd3\u2cd5\u2cd7\u2cd9\u2cdb\u2cdd\u2cdf\u2ce1\u2ce3-\u2ce4\u2cec\u2cee\u2cf3\u2d00-\u2d25\u2d27\u2d2d\ua641\ua643\ua645\ua647\ua649\ua64b\ua64d\ua64f\ua651\ua653\ua655\ua657\ua659\ua65b\ua65d\ua65f\ua661\ua663\ua665\ua667\ua669\ua66b\ua66d\ua681\ua683\ua685\ua687\ua689\ua68b\ua68d\ua68f\ua691\ua693\ua695\ua697\ua699\ua69b\ua723\ua725\ua727\ua729\ua72b\ua72d\ua72f-\ua731\ua733\ua735\ua737\ua739\ua73b\ua73d\ua73f\ua741\ua743\ua745\ua747\ua749\ua74b\ua74d\ua74f\ua751\ua753\ua755\ua757\ua759\ua75b\ua75d\ua75f\ua761\ua763\ua765\ua767\ua769\ua76b\ua76d\ua76f\ua771-\ua778\ua77a\ua77c\ua77f\ua781\ua783\ua785\ua787\ua78c\ua78e\ua791\ua793-\ua795\ua797\ua799\ua79b\ua79d\ua79f\ua7a1\ua7a3\ua7a5\ua7a7\ua7a9\ua7af\ua7b5\ua7b7\ua7b9\ua7fa\uab30-\uab5a\uab60-\uab65\uab70-\uabbf\ufb00-\ufb06\ufb13-\ufb17\uff41-\uff5a\U00010428-\U0001044f\U000104d8-\U000104fb\U00010cc0-\U00010cf2\U000118c0-\U000118df\U00016e60-\U00016e7f\U0001d41a-\U0001d433\U0001d44e-\U0001d454\U0001d456-\U0001d467\U0001d482-\U0001d49b\U0001d4b6-\U0001d4b9\U0001d4bb\U0001d4bd-\U0001d4c3\U0001d4c5-\U0001d4cf\U0001d4ea-\U0001d503\U0001d51e-\U0001d537\U0001d552-\U0001d56b\U0001d586-\U0001d59f\U0001d5ba-\U0001d5d3\U0001d5ee-\U0001d607\U0001d622-\U0001d63b\U0001d656-\U0001d66f\U0001d68a-\U0001d6a5\U0001d6c2-\U0001d6da\U0001d6dc-\U0001d6e1\U0001d6fc-\U0001d714\U0001d716-\U0001d71b\U0001d736-\U0001d74e\U0001d750-\U0001d755\U0001d770-\U0001d788\U0001d78a-\U0001d78f\U0001d7aa-\U0001d7c2\U0001d7c4-\U0001d7c9\U0001d7cb\U0001e922-\U0001e943'
+
+Lm = '\u02b0-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0374\u037a\u0559\u0640\u06e5-\u06e6\u07f4-\u07f5\u07fa\u081a\u0824\u0828\u0971\u0e46\u0ec6\u10fc\u17d7\u1843\u1aa7\u1c78-\u1c7d\u1d2c-\u1d6a\u1d78\u1d9b-\u1dbf\u2071\u207f\u2090-\u209c\u2c7c-\u2c7d\u2d6f\u2e2f\u3005\u3031-\u3035\u303b\u309d-\u309e\u30fc-\u30fe\ua015\ua4f8-\ua4fd\ua60c\ua67f\ua69c-\ua69d\ua717-\ua71f\ua770\ua788\ua7f8-\ua7f9\ua9cf\ua9e6\uaa70\uaadd\uaaf3-\uaaf4\uab5c-\uab5f\uff70\uff9e-\uff9f\U00016b40-\U00016b43\U00016f93-\U00016f9f\U00016fe0-\U00016fe1'
+
+Lo = '\xaa\xba\u01bb\u01c0-\u01c3\u0294\u05d0-\u05ea\u05ef-\u05f2\u0620-\u063f\u0641-\u064a\u066e-\u066f\u0671-\u06d3\u06d5\u06ee-\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u0800-\u0815\u0840-\u0858\u0860-\u086a\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0972-\u0980\u0985-\u098c\u098f-\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc-\u09dd\u09df-\u09e1\u09f0-\u09f1\u09fc\u0a05-\u0a0a\u0a0f-\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32-\u0a33\u0a35-\u0a36\u0a38-\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2-\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0-\u0ae1\u0af9\u0b05-\u0b0c\u0b0f-\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32-\u0b33\u0b35-\u0b39\u0b3d\u0b5c-\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99-\u0b9a\u0b9c\u0b9e-\u0b9f\u0ba3-\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60-\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0-\u0ce1\u0cf1-\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32-\u0e33\u0e40-\u0e45\u0e81-\u0e82\u0e84\u0e87-\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa-\u0eab\u0ead-\u0eb0\u0eb2-\u0eb3\u0ebd\u0ec0-\u0ec4\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065-\u1066\u106e-\u1070\u1075-\u1081\u108e\u1100-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16f1-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17dc\u1820-\u1842\u1844-\u1878\u1880-\u1884\u1887-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae-\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c77\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5-\u1cf6\u2135-\u2138\u2d30-\u2d67\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3006\u303c\u3041-\u3096\u309f\u30a1-\u30fa\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fef\ua000-\ua014\ua016-\ua48c\ua4d0-\ua4f7\ua500-\ua60b\ua610-\ua61f\ua62a-\ua62b\ua66e\ua6a0-\ua6e5\ua78f\ua7f7\ua7fb-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd-\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9e0-\ua9e4\ua9e7-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa6f\uaa71-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5-\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadc\uaae0-\uaaea\uaaf2\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff66-\uff6f\uff71-\uff9d\uffa0-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc\U00010000-\U0001000b\U0001000d-\U00010026\U00010028-\U0001003a\U0001003c-\U0001003d\U0001003f-\U0001004d\U00010050-\U0001005d\U00010080-\U000100fa\U00010280-\U0001029c\U000102a0-\U000102d0\U00010300-\U0001031f\U0001032d-\U00010340\U00010342-\U00010349\U00010350-\U00010375\U00010380-\U0001039d\U000103a0-\U000103c3\U000103c8-\U000103cf\U00010450-\U0001049d\U00010500-\U00010527\U00010530-\U00010563\U00010600-\U00010736\U00010740-\U00010755\U00010760-\U00010767\U00010800-\U00010805\U00010808\U0001080a-\U00010835\U00010837-\U00010838\U0001083c\U0001083f-\U00010855\U00010860-\U00010876\U00010880-\U0001089e\U000108e0-\U000108f2\U000108f4-\U000108f5\U00010900-\U00010915\U00010920-\U00010939\U00010980-\U000109b7\U000109be-\U000109bf\U00010a00\U00010a10-\U00010a13\U00010a15-\U00010a17\U00010a19-\U00010a35\U00010a60-\U00010a7c\U00010a80-\U00010a9c\U00010ac0-\U00010ac7\U00010ac9-\U00010ae4\U00010b00-\U00010b35\U00010b40-\U00010b55\U00010b60-\U00010b72\U00010b80-\U00010b91\U00010c00-\U00010c48\U00010d00-\U00010d23\U00010f00-\U00010f1c\U00010f27\U00010f30-\U00010f45\U00011003-\U00011037\U00011083-\U000110af\U000110d0-\U000110e8\U00011103-\U00011126\U00011144\U00011150-\U00011172\U00011176\U00011183-\U000111b2\U000111c1-\U000111c4\U000111da\U000111dc\U00011200-\U00011211\U00011213-\U0001122b\U00011280-\U00011286\U00011288\U0001128a-\U0001128d\U0001128f-\U0001129d\U0001129f-\U000112a8\U000112b0-\U000112de\U00011305-\U0001130c\U0001130f-\U00011310\U00011313-\U00011328\U0001132a-\U00011330\U00011332-\U00011333\U00011335-\U00011339\U0001133d\U00011350\U0001135d-\U00011361\U00011400-\U00011434\U00011447-\U0001144a\U00011480-\U000114af\U000114c4-\U000114c5\U000114c7\U00011580-\U000115ae\U000115d8-\U000115db\U00011600-\U0001162f\U00011644\U00011680-\U000116aa\U00011700-\U0001171a\U00011800-\U0001182b\U000118ff\U00011a00\U00011a0b-\U00011a32\U00011a3a\U00011a50\U00011a5c-\U00011a83\U00011a86-\U00011a89\U00011a9d\U00011ac0-\U00011af8\U00011c00-\U00011c08\U00011c0a-\U00011c2e\U00011c40\U00011c72-\U00011c8f\U00011d00-\U00011d06\U00011d08-\U00011d09\U00011d0b-\U00011d30\U00011d46\U00011d60-\U00011d65\U00011d67-\U00011d68\U00011d6a-\U00011d89\U00011d98\U00011ee0-\U00011ef2\U00012000-\U00012399\U00012480-\U00012543\U00013000-\U0001342e\U00014400-\U00014646\U00016800-\U00016a38\U00016a40-\U00016a5e\U00016ad0-\U00016aed\U00016b00-\U00016b2f\U00016b63-\U00016b77\U00016b7d-\U00016b8f\U00016f00-\U00016f44\U00016f50\U00017000-\U000187f1\U00018800-\U00018af2\U0001b000-\U0001b11e\U0001b170-\U0001b2fb\U0001bc00-\U0001bc6a\U0001bc70-\U0001bc7c\U0001bc80-\U0001bc88\U0001bc90-\U0001bc99\U0001e800-\U0001e8c4\U0001ee00-\U0001ee03\U0001ee05-\U0001ee1f\U0001ee21-\U0001ee22\U0001ee24\U0001ee27\U0001ee29-\U0001ee32\U0001ee34-\U0001ee37\U0001ee39\U0001ee3b\U0001ee42\U0001ee47\U0001ee49\U0001ee4b\U0001ee4d-\U0001ee4f\U0001ee51-\U0001ee52\U0001ee54\U0001ee57\U0001ee59\U0001ee5b\U0001ee5d\U0001ee5f\U0001ee61-\U0001ee62\U0001ee64\U0001ee67-\U0001ee6a\U0001ee6c-\U0001ee72\U0001ee74-\U0001ee77\U0001ee79-\U0001ee7c\U0001ee7e\U0001ee80-\U0001ee89\U0001ee8b-\U0001ee9b\U0001eea1-\U0001eea3\U0001eea5-\U0001eea9\U0001eeab-\U0001eebb\U00020000-\U0002a6d6\U0002a700-\U0002b734\U0002b740-\U0002b81d\U0002b820-\U0002cea1\U0002ceb0-\U0002ebe0\U0002f800-\U0002fa1d'
+
+Lt = '\u01c5\u01c8\u01cb\u01f2\u1f88-\u1f8f\u1f98-\u1f9f\u1fa8-\u1faf\u1fbc\u1fcc\u1ffc'
+
+Lu = 'A-Z\xc0-\xd6\xd8-\xde\u0100\u0102\u0104\u0106\u0108\u010a\u010c\u010e\u0110\u0112\u0114\u0116\u0118\u011a\u011c\u011e\u0120\u0122\u0124\u0126\u0128\u012a\u012c\u012e\u0130\u0132\u0134\u0136\u0139\u013b\u013d\u013f\u0141\u0143\u0145\u0147\u014a\u014c\u014e\u0150\u0152\u0154\u0156\u0158\u015a\u015c\u015e\u0160\u0162\u0164\u0166\u0168\u016a\u016c\u016e\u0170\u0172\u0174\u0176\u0178-\u0179\u017b\u017d\u0181-\u0182\u0184\u0186-\u0187\u0189-\u018b\u018e-\u0191\u0193-\u0194\u0196-\u0198\u019c-\u019d\u019f-\u01a0\u01a2\u01a4\u01a6-\u01a7\u01a9\u01ac\u01ae-\u01af\u01b1-\u01b3\u01b5\u01b7-\u01b8\u01bc\u01c4\u01c7\u01ca\u01cd\u01cf\u01d1\u01d3\u01d5\u01d7\u01d9\u01db\u01de\u01e0\u01e2\u01e4\u01e6\u01e8\u01ea\u01ec\u01ee\u01f1\u01f4\u01f6-\u01f8\u01fa\u01fc\u01fe\u0200\u0202\u0204\u0206\u0208\u020a\u020c\u020e\u0210\u0212\u0214\u0216\u0218\u021a\u021c\u021e\u0220\u0222\u0224\u0226\u0228\u022a\u022c\u022e\u0230\u0232\u023a-\u023b\u023d-\u023e\u0241\u0243-\u0246\u0248\u024a\u024c\u024e\u0370\u0372\u0376\u037f\u0386\u0388-\u038a\u038c\u038e-\u038f\u0391-\u03a1\u03a3-\u03ab\u03cf\u03d2-\u03d4\u03d8\u03da\u03dc\u03de\u03e0\u03e2\u03e4\u03e6\u03e8\u03ea\u03ec\u03ee\u03f4\u03f7\u03f9-\u03fa\u03fd-\u042f\u0460\u0462\u0464\u0466\u0468\u046a\u046c\u046e\u0470\u0472\u0474\u0476\u0478\u047a\u047c\u047e\u0480\u048a\u048c\u048e\u0490\u0492\u0494\u0496\u0498\u049a\u049c\u049e\u04a0\u04a2\u04a4\u04a6\u04a8\u04aa\u04ac\u04ae\u04b0\u04b2\u04b4\u04b6\u04b8\u04ba\u04bc\u04be\u04c0-\u04c1\u04c3\u04c5\u04c7\u04c9\u04cb\u04cd\u04d0\u04d2\u04d4\u04d6\u04d8\u04da\u04dc\u04de\u04e0\u04e2\u04e4\u04e6\u04e8\u04ea\u04ec\u04ee\u04f0\u04f2\u04f4\u04f6\u04f8\u04fa\u04fc\u04fe\u0500\u0502\u0504\u0506\u0508\u050a\u050c\u050e\u0510\u0512\u0514\u0516\u0518\u051a\u051c\u051e\u0520\u0522\u0524\u0526\u0528\u052a\u052c\u052e\u0531-\u0556\u10a0-\u10c5\u10c7\u10cd\u13a0-\u13f5\u1c90-\u1cba\u1cbd-\u1cbf\u1e00\u1e02\u1e04\u1e06\u1e08\u1e0a\u1e0c\u1e0e\u1e10\u1e12\u1e14\u1e16\u1e18\u1e1a\u1e1c\u1e1e\u1e20\u1e22\u1e24\u1e26\u1e28\u1e2a\u1e2c\u1e2e\u1e30\u1e32\u1e34\u1e36\u1e38\u1e3a\u1e3c\u1e3e\u1e40\u1e42\u1e44\u1e46\u1e48\u1e4a\u1e4c\u1e4e\u1e50\u1e52\u1e54\u1e56\u1e58\u1e5a\u1e5c\u1e5e\u1e60\u1e62\u1e64\u1e66\u1e68\u1e6a\u1e6c\u1e6e\u1e70\u1e72\u1e74\u1e76\u1e78\u1e7a\u1e7c\u1e7e\u1e80\u1e82\u1e84\u1e86\u1e88\u1e8a\u1e8c\u1e8e\u1e90\u1e92\u1e94\u1e9e\u1ea0\u1ea2\u1ea4\u1ea6\u1ea8\u1eaa\u1eac\u1eae\u1eb0\u1eb2\u1eb4\u1eb6\u1eb8\u1eba\u1ebc\u1ebe\u1ec0\u1ec2\u1ec4\u1ec6\u1ec8\u1eca\u1ecc\u1ece\u1ed0\u1ed2\u1ed4\u1ed6\u1ed8\u1eda\u1edc\u1ede\u1ee0\u1ee2\u1ee4\u1ee6\u1ee8\u1eea\u1eec\u1eee\u1ef0\u1ef2\u1ef4\u1ef6\u1ef8\u1efa\u1efc\u1efe\u1f08-\u1f0f\u1f18-\u1f1d\u1f28-\u1f2f\u1f38-\u1f3f\u1f48-\u1f4d\u1f59\u1f5b\u1f5d\u1f5f\u1f68-\u1f6f\u1fb8-\u1fbb\u1fc8-\u1fcb\u1fd8-\u1fdb\u1fe8-\u1fec\u1ff8-\u1ffb\u2102\u2107\u210b-\u210d\u2110-\u2112\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u2130-\u2133\u213e-\u213f\u2145\u2183\u2c00-\u2c2e\u2c60\u2c62-\u2c64\u2c67\u2c69\u2c6b\u2c6d-\u2c70\u2c72\u2c75\u2c7e-\u2c80\u2c82\u2c84\u2c86\u2c88\u2c8a\u2c8c\u2c8e\u2c90\u2c92\u2c94\u2c96\u2c98\u2c9a\u2c9c\u2c9e\u2ca0\u2ca2\u2ca4\u2ca6\u2ca8\u2caa\u2cac\u2cae\u2cb0\u2cb2\u2cb4\u2cb6\u2cb8\u2cba\u2cbc\u2cbe\u2cc0\u2cc2\u2cc4\u2cc6\u2cc8\u2cca\u2ccc\u2cce\u2cd0\u2cd2\u2cd4\u2cd6\u2cd8\u2cda\u2cdc\u2cde\u2ce0\u2ce2\u2ceb\u2ced\u2cf2\ua640\ua642\ua644\ua646\ua648\ua64a\ua64c\ua64e\ua650\ua652\ua654\ua656\ua658\ua65a\ua65c\ua65e\ua660\ua662\ua664\ua666\ua668\ua66a\ua66c\ua680\ua682\ua684\ua686\ua688\ua68a\ua68c\ua68e\ua690\ua692\ua694\ua696\ua698\ua69a\ua722\ua724\ua726\ua728\ua72a\ua72c\ua72e\ua732\ua734\ua736\ua738\ua73a\ua73c\ua73e\ua740\ua742\ua744\ua746\ua748\ua74a\ua74c\ua74e\ua750\ua752\ua754\ua756\ua758\ua75a\ua75c\ua75e\ua760\ua762\ua764\ua766\ua768\ua76a\ua76c\ua76e\ua779\ua77b\ua77d-\ua77e\ua780\ua782\ua784\ua786\ua78b\ua78d\ua790\ua792\ua796\ua798\ua79a\ua79c\ua79e\ua7a0\ua7a2\ua7a4\ua7a6\ua7a8\ua7aa-\ua7ae\ua7b0-\ua7b4\ua7b6\ua7b8\uff21-\uff3a\U00010400-\U00010427\U000104b0-\U000104d3\U00010c80-\U00010cb2\U000118a0-\U000118bf\U00016e40-\U00016e5f\U0001d400-\U0001d419\U0001d434-\U0001d44d\U0001d468-\U0001d481\U0001d49c\U0001d49e-\U0001d49f\U0001d4a2\U0001d4a5-\U0001d4a6\U0001d4a9-\U0001d4ac\U0001d4ae-\U0001d4b5\U0001d4d0-\U0001d4e9\U0001d504-\U0001d505\U0001d507-\U0001d50a\U0001d50d-\U0001d514\U0001d516-\U0001d51c\U0001d538-\U0001d539\U0001d53b-\U0001d53e\U0001d540-\U0001d544\U0001d546\U0001d54a-\U0001d550\U0001d56c-\U0001d585\U0001d5a0-\U0001d5b9\U0001d5d4-\U0001d5ed\U0001d608-\U0001d621\U0001d63c-\U0001d655\U0001d670-\U0001d689\U0001d6a8-\U0001d6c0\U0001d6e2-\U0001d6fa\U0001d71c-\U0001d734\U0001d756-\U0001d76e\U0001d790-\U0001d7a8\U0001d7ca\U0001e900-\U0001e921'
+
+Mc = '\u0903\u093b\u093e-\u0940\u0949-\u094c\u094e-\u094f\u0982-\u0983\u09be-\u09c0\u09c7-\u09c8\u09cb-\u09cc\u09d7\u0a03\u0a3e-\u0a40\u0a83\u0abe-\u0ac0\u0ac9\u0acb-\u0acc\u0b02-\u0b03\u0b3e\u0b40\u0b47-\u0b48\u0b4b-\u0b4c\u0b57\u0bbe-\u0bbf\u0bc1-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcc\u0bd7\u0c01-\u0c03\u0c41-\u0c44\u0c82-\u0c83\u0cbe\u0cc0-\u0cc4\u0cc7-\u0cc8\u0cca-\u0ccb\u0cd5-\u0cd6\u0d02-\u0d03\u0d3e-\u0d40\u0d46-\u0d48\u0d4a-\u0d4c\u0d57\u0d82-\u0d83\u0dcf-\u0dd1\u0dd8-\u0ddf\u0df2-\u0df3\u0f3e-\u0f3f\u0f7f\u102b-\u102c\u1031\u1038\u103b-\u103c\u1056-\u1057\u1062-\u1064\u1067-\u106d\u1083-\u1084\u1087-\u108c\u108f\u109a-\u109c\u17b6\u17be-\u17c5\u17c7-\u17c8\u1923-\u1926\u1929-\u192b\u1930-\u1931\u1933-\u1938\u1a19-\u1a1a\u1a55\u1a57\u1a61\u1a63-\u1a64\u1a6d-\u1a72\u1b04\u1b35\u1b3b\u1b3d-\u1b41\u1b43-\u1b44\u1b82\u1ba1\u1ba6-\u1ba7\u1baa\u1be7\u1bea-\u1bec\u1bee\u1bf2-\u1bf3\u1c24-\u1c2b\u1c34-\u1c35\u1ce1\u1cf2-\u1cf3\u1cf7\u302e-\u302f\ua823-\ua824\ua827\ua880-\ua881\ua8b4-\ua8c3\ua952-\ua953\ua983\ua9b4-\ua9b5\ua9ba-\ua9bb\ua9bd-\ua9c0\uaa2f-\uaa30\uaa33-\uaa34\uaa4d\uaa7b\uaa7d\uaaeb\uaaee-\uaaef\uaaf5\uabe3-\uabe4\uabe6-\uabe7\uabe9-\uabea\uabec\U00011000\U00011002\U00011082\U000110b0-\U000110b2\U000110b7-\U000110b8\U0001112c\U00011145-\U00011146\U00011182\U000111b3-\U000111b5\U000111bf-\U000111c0\U0001122c-\U0001122e\U00011232-\U00011233\U00011235\U000112e0-\U000112e2\U00011302-\U00011303\U0001133e-\U0001133f\U00011341-\U00011344\U00011347-\U00011348\U0001134b-\U0001134d\U00011357\U00011362-\U00011363\U00011435-\U00011437\U00011440-\U00011441\U00011445\U000114b0-\U000114b2\U000114b9\U000114bb-\U000114be\U000114c1\U000115af-\U000115b1\U000115b8-\U000115bb\U000115be\U00011630-\U00011632\U0001163b-\U0001163c\U0001163e\U000116ac\U000116ae-\U000116af\U000116b6\U00011720-\U00011721\U00011726\U0001182c-\U0001182e\U00011838\U00011a39\U00011a57-\U00011a58\U00011a97\U00011c2f\U00011c3e\U00011ca9\U00011cb1\U00011cb4\U00011d8a-\U00011d8e\U00011d93-\U00011d94\U00011d96\U00011ef5-\U00011ef6\U00016f51-\U00016f7e\U0001d165-\U0001d166\U0001d16d-\U0001d172'
+
+Me = '\u0488-\u0489\u1abe\u20dd-\u20e0\u20e2-\u20e4\ua670-\ua672'
+
+Mn = '\u0300-\u036f\u0483-\u0487\u0591-\u05bd\u05bf\u05c1-\u05c2\u05c4-\u05c5\u05c7\u0610-\u061a\u064b-\u065f\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7-\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d3-\u08e1\u08e3-\u0902\u093a\u093c\u0941-\u0948\u094d\u0951-\u0957\u0962-\u0963\u0981\u09bc\u09c1-\u09c4\u09cd\u09e2-\u09e3\u09fe\u0a01-\u0a02\u0a3c\u0a41-\u0a42\u0a47-\u0a48\u0a4b-\u0a4d\u0a51\u0a70-\u0a71\u0a75\u0a81-\u0a82\u0abc\u0ac1-\u0ac5\u0ac7-\u0ac8\u0acd\u0ae2-\u0ae3\u0afa-\u0aff\u0b01\u0b3c\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b62-\u0b63\u0b82\u0bc0\u0bcd\u0c00\u0c04\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55-\u0c56\u0c62-\u0c63\u0c81\u0cbc\u0cbf\u0cc6\u0ccc-\u0ccd\u0ce2-\u0ce3\u0d00-\u0d01\u0d3b-\u0d3c\u0d41-\u0d44\u0d4d\u0d62-\u0d63\u0dca\u0dd2-\u0dd4\u0dd6\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb-\u0ebc\u0ec8-\u0ecd\u0f18-\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86-\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039-\u103a\u103d-\u103e\u1058-\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085-\u1086\u108d\u109d\u135d-\u135f\u1712-\u1714\u1732-\u1734\u1752-\u1753\u1772-\u1773\u17b4-\u17b5\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u1885-\u1886\u18a9\u1920-\u1922\u1927-\u1928\u1932\u1939-\u193b\u1a17-\u1a18\u1a1b\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1ab0-\u1abd\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80-\u1b81\u1ba2-\u1ba5\u1ba8-\u1ba9\u1bab-\u1bad\u1be6\u1be8-\u1be9\u1bed\u1bef-\u1bf1\u1c2c-\u1c33\u1c36-\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1cf4\u1cf8-\u1cf9\u1dc0-\u1df9\u1dfb-\u1dff\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302d\u3099-\u309a\ua66f\ua674-\ua67d\ua69e-\ua69f\ua6f0-\ua6f1\ua802\ua806\ua80b\ua825-\ua826\ua8c4-\ua8c5\ua8e0-\ua8f1\ua8ff\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\ua9e5\uaa29-\uaa2e\uaa31-\uaa32\uaa35-\uaa36\uaa43\uaa4c\uaa7c\uaab0\uaab2-\uaab4\uaab7-\uaab8\uaabe-\uaabf\uaac1\uaaec-\uaaed\uaaf6\uabe5\uabe8\uabed\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\U000101fd\U000102e0\U00010376-\U0001037a\U00010a01-\U00010a03\U00010a05-\U00010a06\U00010a0c-\U00010a0f\U00010a38-\U00010a3a\U00010a3f\U00010ae5-\U00010ae6\U00010d24-\U00010d27\U00010f46-\U00010f50\U00011001\U00011038-\U00011046\U0001107f-\U00011081\U000110b3-\U000110b6\U000110b9-\U000110ba\U00011100-\U00011102\U00011127-\U0001112b\U0001112d-\U00011134\U00011173\U00011180-\U00011181\U000111b6-\U000111be\U000111c9-\U000111cc\U0001122f-\U00011231\U00011234\U00011236-\U00011237\U0001123e\U000112df\U000112e3-\U000112ea\U00011300-\U00011301\U0001133b-\U0001133c\U00011340\U00011366-\U0001136c\U00011370-\U00011374\U00011438-\U0001143f\U00011442-\U00011444\U00011446\U0001145e\U000114b3-\U000114b8\U000114ba\U000114bf-\U000114c0\U000114c2-\U000114c3\U000115b2-\U000115b5\U000115bc-\U000115bd\U000115bf-\U000115c0\U000115dc-\U000115dd\U00011633-\U0001163a\U0001163d\U0001163f-\U00011640\U000116ab\U000116ad\U000116b0-\U000116b5\U000116b7\U0001171d-\U0001171f\U00011722-\U00011725\U00011727-\U0001172b\U0001182f-\U00011837\U00011839-\U0001183a\U00011a01-\U00011a0a\U00011a33-\U00011a38\U00011a3b-\U00011a3e\U00011a47\U00011a51-\U00011a56\U00011a59-\U00011a5b\U00011a8a-\U00011a96\U00011a98-\U00011a99\U00011c30-\U00011c36\U00011c38-\U00011c3d\U00011c3f\U00011c92-\U00011ca7\U00011caa-\U00011cb0\U00011cb2-\U00011cb3\U00011cb5-\U00011cb6\U00011d31-\U00011d36\U00011d3a\U00011d3c-\U00011d3d\U00011d3f-\U00011d45\U00011d47\U00011d90-\U00011d91\U00011d95\U00011d97\U00011ef3-\U00011ef4\U00016af0-\U00016af4\U00016b30-\U00016b36\U00016f8f-\U00016f92\U0001bc9d-\U0001bc9e\U0001d167-\U0001d169\U0001d17b-\U0001d182\U0001d185-\U0001d18b\U0001d1aa-\U0001d1ad\U0001d242-\U0001d244\U0001da00-\U0001da36\U0001da3b-\U0001da6c\U0001da75\U0001da84\U0001da9b-\U0001da9f\U0001daa1-\U0001daaf\U0001e000-\U0001e006\U0001e008-\U0001e018\U0001e01b-\U0001e021\U0001e023-\U0001e024\U0001e026-\U0001e02a\U0001e8d0-\U0001e8d6\U0001e944-\U0001e94a\U000e0100-\U000e01ef'
+
+Nd = '0-9\u0660-\u0669\u06f0-\u06f9\u07c0-\u07c9\u0966-\u096f\u09e6-\u09ef\u0a66-\u0a6f\u0ae6-\u0aef\u0b66-\u0b6f\u0be6-\u0bef\u0c66-\u0c6f\u0ce6-\u0cef\u0d66-\u0d6f\u0de6-\u0def\u0e50-\u0e59\u0ed0-\u0ed9\u0f20-\u0f29\u1040-\u1049\u1090-\u1099\u17e0-\u17e9\u1810-\u1819\u1946-\u194f\u19d0-\u19d9\u1a80-\u1a89\u1a90-\u1a99\u1b50-\u1b59\u1bb0-\u1bb9\u1c40-\u1c49\u1c50-\u1c59\ua620-\ua629\ua8d0-\ua8d9\ua900-\ua909\ua9d0-\ua9d9\ua9f0-\ua9f9\uaa50-\uaa59\uabf0-\uabf9\uff10-\uff19\U000104a0-\U000104a9\U00010d30-\U00010d39\U00011066-\U0001106f\U000110f0-\U000110f9\U00011136-\U0001113f\U000111d0-\U000111d9\U000112f0-\U000112f9\U00011450-\U00011459\U000114d0-\U000114d9\U00011650-\U00011659\U000116c0-\U000116c9\U00011730-\U00011739\U000118e0-\U000118e9\U00011c50-\U00011c59\U00011d50-\U00011d59\U00011da0-\U00011da9\U00016a60-\U00016a69\U00016b50-\U00016b59\U0001d7ce-\U0001d7ff\U0001e950-\U0001e959'
+
+Nl = '\u16ee-\u16f0\u2160-\u2182\u2185-\u2188\u3007\u3021-\u3029\u3038-\u303a\ua6e6-\ua6ef\U00010140-\U00010174\U00010341\U0001034a\U000103d1-\U000103d5\U00012400-\U0001246e'
+
+No = '\xb2-\xb3\xb9\xbc-\xbe\u09f4-\u09f9\u0b72-\u0b77\u0bf0-\u0bf2\u0c78-\u0c7e\u0d58-\u0d5e\u0d70-\u0d78\u0f2a-\u0f33\u1369-\u137c\u17f0-\u17f9\u19da\u2070\u2074-\u2079\u2080-\u2089\u2150-\u215f\u2189\u2460-\u249b\u24ea-\u24ff\u2776-\u2793\u2cfd\u3192-\u3195\u3220-\u3229\u3248-\u324f\u3251-\u325f\u3280-\u3289\u32b1-\u32bf\ua830-\ua835\U00010107-\U00010133\U00010175-\U00010178\U0001018a-\U0001018b\U000102e1-\U000102fb\U00010320-\U00010323\U00010858-\U0001085f\U00010879-\U0001087f\U000108a7-\U000108af\U000108fb-\U000108ff\U00010916-\U0001091b\U000109bc-\U000109bd\U000109c0-\U000109cf\U000109d2-\U000109ff\U00010a40-\U00010a48\U00010a7d-\U00010a7e\U00010a9d-\U00010a9f\U00010aeb-\U00010aef\U00010b58-\U00010b5f\U00010b78-\U00010b7f\U00010ba9-\U00010baf\U00010cfa-\U00010cff\U00010e60-\U00010e7e\U00010f1d-\U00010f26\U00010f51-\U00010f54\U00011052-\U00011065\U000111e1-\U000111f4\U0001173a-\U0001173b\U000118ea-\U000118f2\U00011c5a-\U00011c6c\U00016b5b-\U00016b61\U00016e80-\U00016e96\U0001d2e0-\U0001d2f3\U0001d360-\U0001d378\U0001e8c7-\U0001e8cf\U0001ec71-\U0001ecab\U0001ecad-\U0001ecaf\U0001ecb1-\U0001ecb4\U0001f100-\U0001f10c'
+
+Pc = '_\u203f-\u2040\u2054\ufe33-\ufe34\ufe4d-\ufe4f\uff3f'
+
+Pd = '\\-\u058a\u05be\u1400\u1806\u2010-\u2015\u2e17\u2e1a\u2e3a-\u2e3b\u2e40\u301c\u3030\u30a0\ufe31-\ufe32\ufe58\ufe63\uff0d'
+
+Pe = ')\\]}\u0f3b\u0f3d\u169c\u2046\u207e\u208e\u2309\u230b\u232a\u2769\u276b\u276d\u276f\u2771\u2773\u2775\u27c6\u27e7\u27e9\u27eb\u27ed\u27ef\u2984\u2986\u2988\u298a\u298c\u298e\u2990\u2992\u2994\u2996\u2998\u29d9\u29db\u29fd\u2e23\u2e25\u2e27\u2e29\u3009\u300b\u300d\u300f\u3011\u3015\u3017\u3019\u301b\u301e-\u301f\ufd3e\ufe18\ufe36\ufe38\ufe3a\ufe3c\ufe3e\ufe40\ufe42\ufe44\ufe48\ufe5a\ufe5c\ufe5e\uff09\uff3d\uff5d\uff60\uff63'
+
+Pf = '\xbb\u2019\u201d\u203a\u2e03\u2e05\u2e0a\u2e0d\u2e1d\u2e21'
+
+Pi = '\xab\u2018\u201b-\u201c\u201f\u2039\u2e02\u2e04\u2e09\u2e0c\u2e1c\u2e20'
+
+Po = "!-#%-'*,.-/:-;?-@\\\\\xa1\xa7\xb6-\xb7\xbf\u037e\u0387\u055a-\u055f\u0589\u05c0\u05c3\u05c6\u05f3-\u05f4\u0609-\u060a\u060c-\u060d\u061b\u061e-\u061f\u066a-\u066d\u06d4\u0700-\u070d\u07f7-\u07f9\u0830-\u083e\u085e\u0964-\u0965\u0970\u09fd\u0a76\u0af0\u0c84\u0df4\u0e4f\u0e5a-\u0e5b\u0f04-\u0f12\u0f14\u0f85\u0fd0-\u0fd4\u0fd9-\u0fda\u104a-\u104f\u10fb\u1360-\u1368\u166d-\u166e\u16eb-\u16ed\u1735-\u1736\u17d4-\u17d6\u17d8-\u17da\u1800-\u1805\u1807-\u180a\u1944-\u1945\u1a1e-\u1a1f\u1aa0-\u1aa6\u1aa8-\u1aad\u1b5a-\u1b60\u1bfc-\u1bff\u1c3b-\u1c3f\u1c7e-\u1c7f\u1cc0-\u1cc7\u1cd3\u2016-\u2017\u2020-\u2027\u2030-\u2038\u203b-\u203e\u2041-\u2043\u2047-\u2051\u2053\u2055-\u205e\u2cf9-\u2cfc\u2cfe-\u2cff\u2d70\u2e00-\u2e01\u2e06-\u2e08\u2e0b\u2e0e-\u2e16\u2e18-\u2e19\u2e1b\u2e1e-\u2e1f\u2e2a-\u2e2e\u2e30-\u2e39\u2e3c-\u2e3f\u2e41\u2e43-\u2e4e\u3001-\u3003\u303d\u30fb\ua4fe-\ua4ff\ua60d-\ua60f\ua673\ua67e\ua6f2-\ua6f7\ua874-\ua877\ua8ce-\ua8cf\ua8f8-\ua8fa\ua8fc\ua92e-\ua92f\ua95f\ua9c1-\ua9cd\ua9de-\ua9df\uaa5c-\uaa5f\uaade-\uaadf\uaaf0-\uaaf1\uabeb\ufe10-\ufe16\ufe19\ufe30\ufe45-\ufe46\ufe49-\ufe4c\ufe50-\ufe52\ufe54-\ufe57\ufe5f-\ufe61\ufe68\ufe6a-\ufe6b\uff01-\uff03\uff05-\uff07\uff0a\uff0c\uff0e-\uff0f\uff1a-\uff1b\uff1f-\uff20\uff3c\uff61\uff64-\uff65\U00010100-\U00010102\U0001039f\U000103d0\U0001056f\U00010857\U0001091f\U0001093f\U00010a50-\U00010a58\U00010a7f\U00010af0-\U00010af6\U00010b39-\U00010b3f\U00010b99-\U00010b9c\U00010f55-\U00010f59\U00011047-\U0001104d\U000110bb-\U000110bc\U000110be-\U000110c1\U00011140-\U00011143\U00011174-\U00011175\U000111c5-\U000111c8\U000111cd\U000111db\U000111dd-\U000111df\U00011238-\U0001123d\U000112a9\U0001144b-\U0001144f\U0001145b\U0001145d\U000114c6\U000115c1-\U000115d7\U00011641-\U00011643\U00011660-\U0001166c\U0001173c-\U0001173e\U0001183b\U00011a3f-\U00011a46\U00011a9a-\U00011a9c\U00011a9e-\U00011aa2\U00011c41-\U00011c45\U00011c70-\U00011c71\U00011ef7-\U00011ef8\U00012470-\U00012474\U00016a6e-\U00016a6f\U00016af5\U00016b37-\U00016b3b\U00016b44\U00016e97-\U00016e9a\U0001bc9f\U0001da87-\U0001da8b\U0001e95e-\U0001e95f"
+
+Ps = '(\\[{\u0f3a\u0f3c\u169b\u201a\u201e\u2045\u207d\u208d\u2308\u230a\u2329\u2768\u276a\u276c\u276e\u2770\u2772\u2774\u27c5\u27e6\u27e8\u27ea\u27ec\u27ee\u2983\u2985\u2987\u2989\u298b\u298d\u298f\u2991\u2993\u2995\u2997\u29d8\u29da\u29fc\u2e22\u2e24\u2e26\u2e28\u2e42\u3008\u300a\u300c\u300e\u3010\u3014\u3016\u3018\u301a\u301d\ufd3f\ufe17\ufe35\ufe37\ufe39\ufe3b\ufe3d\ufe3f\ufe41\ufe43\ufe47\ufe59\ufe5b\ufe5d\uff08\uff3b\uff5b\uff5f\uff62'
+
+Sc = '$\xa2-\xa5\u058f\u060b\u07fe-\u07ff\u09f2-\u09f3\u09fb\u0af1\u0bf9\u0e3f\u17db\u20a0-\u20bf\ua838\ufdfc\ufe69\uff04\uffe0-\uffe1\uffe5-\uffe6\U0001ecb0'
+
+Sk = '\\^`\xa8\xaf\xb4\xb8\u02c2-\u02c5\u02d2-\u02df\u02e5-\u02eb\u02ed\u02ef-\u02ff\u0375\u0384-\u0385\u1fbd\u1fbf-\u1fc1\u1fcd-\u1fcf\u1fdd-\u1fdf\u1fed-\u1fef\u1ffd-\u1ffe\u309b-\u309c\ua700-\ua716\ua720-\ua721\ua789-\ua78a\uab5b\ufbb2-\ufbc1\uff3e\uff40\uffe3\U0001f3fb-\U0001f3ff'
+
+Sm = '+<->|~\xac\xb1\xd7\xf7\u03f6\u0606-\u0608\u2044\u2052\u207a-\u207c\u208a-\u208c\u2118\u2140-\u2144\u214b\u2190-\u2194\u219a-\u219b\u21a0\u21a3\u21a6\u21ae\u21ce-\u21cf\u21d2\u21d4\u21f4-\u22ff\u2320-\u2321\u237c\u239b-\u23b3\u23dc-\u23e1\u25b7\u25c1\u25f8-\u25ff\u266f\u27c0-\u27c4\u27c7-\u27e5\u27f0-\u27ff\u2900-\u2982\u2999-\u29d7\u29dc-\u29fb\u29fe-\u2aff\u2b30-\u2b44\u2b47-\u2b4c\ufb29\ufe62\ufe64-\ufe66\uff0b\uff1c-\uff1e\uff5c\uff5e\uffe2\uffe9-\uffec\U0001d6c1\U0001d6db\U0001d6fb\U0001d715\U0001d735\U0001d74f\U0001d76f\U0001d789\U0001d7a9\U0001d7c3\U0001eef0-\U0001eef1'
+
+So = '\xa6\xa9\xae\xb0\u0482\u058d-\u058e\u060e-\u060f\u06de\u06e9\u06fd-\u06fe\u07f6\u09fa\u0b70\u0bf3-\u0bf8\u0bfa\u0c7f\u0d4f\u0d79\u0f01-\u0f03\u0f13\u0f15-\u0f17\u0f1a-\u0f1f\u0f34\u0f36\u0f38\u0fbe-\u0fc5\u0fc7-\u0fcc\u0fce-\u0fcf\u0fd5-\u0fd8\u109e-\u109f\u1390-\u1399\u1940\u19de-\u19ff\u1b61-\u1b6a\u1b74-\u1b7c\u2100-\u2101\u2103-\u2106\u2108-\u2109\u2114\u2116-\u2117\u211e-\u2123\u2125\u2127\u2129\u212e\u213a-\u213b\u214a\u214c-\u214d\u214f\u218a-\u218b\u2195-\u2199\u219c-\u219f\u21a1-\u21a2\u21a4-\u21a5\u21a7-\u21ad\u21af-\u21cd\u21d0-\u21d1\u21d3\u21d5-\u21f3\u2300-\u2307\u230c-\u231f\u2322-\u2328\u232b-\u237b\u237d-\u239a\u23b4-\u23db\u23e2-\u2426\u2440-\u244a\u249c-\u24e9\u2500-\u25b6\u25b8-\u25c0\u25c2-\u25f7\u2600-\u266e\u2670-\u2767\u2794-\u27bf\u2800-\u28ff\u2b00-\u2b2f\u2b45-\u2b46\u2b4d-\u2b73\u2b76-\u2b95\u2b98-\u2bc8\u2bca-\u2bfe\u2ce5-\u2cea\u2e80-\u2e99\u2e9b-\u2ef3\u2f00-\u2fd5\u2ff0-\u2ffb\u3004\u3012-\u3013\u3020\u3036-\u3037\u303e-\u303f\u3190-\u3191\u3196-\u319f\u31c0-\u31e3\u3200-\u321e\u322a-\u3247\u3250\u3260-\u327f\u328a-\u32b0\u32c0-\u32fe\u3300-\u33ff\u4dc0-\u4dff\ua490-\ua4c6\ua828-\ua82b\ua836-\ua837\ua839\uaa77-\uaa79\ufdfd\uffe4\uffe8\uffed-\uffee\ufffc-\ufffd\U00010137-\U0001013f\U00010179-\U00010189\U0001018c-\U0001018e\U00010190-\U0001019b\U000101a0\U000101d0-\U000101fc\U00010877-\U00010878\U00010ac8\U0001173f\U00016b3c-\U00016b3f\U00016b45\U0001bc9c\U0001d000-\U0001d0f5\U0001d100-\U0001d126\U0001d129-\U0001d164\U0001d16a-\U0001d16c\U0001d183-\U0001d184\U0001d18c-\U0001d1a9\U0001d1ae-\U0001d1e8\U0001d200-\U0001d241\U0001d245\U0001d300-\U0001d356\U0001d800-\U0001d9ff\U0001da37-\U0001da3a\U0001da6d-\U0001da74\U0001da76-\U0001da83\U0001da85-\U0001da86\U0001ecac\U0001f000-\U0001f02b\U0001f030-\U0001f093\U0001f0a0-\U0001f0ae\U0001f0b1-\U0001f0bf\U0001f0c1-\U0001f0cf\U0001f0d1-\U0001f0f5\U0001f110-\U0001f16b\U0001f170-\U0001f1ac\U0001f1e6-\U0001f202\U0001f210-\U0001f23b\U0001f240-\U0001f248\U0001f250-\U0001f251\U0001f260-\U0001f265\U0001f300-\U0001f3fa\U0001f400-\U0001f6d4\U0001f6e0-\U0001f6ec\U0001f6f0-\U0001f6f9\U0001f700-\U0001f773\U0001f780-\U0001f7d8\U0001f800-\U0001f80b\U0001f810-\U0001f847\U0001f850-\U0001f859\U0001f860-\U0001f887\U0001f890-\U0001f8ad\U0001f900-\U0001f90b\U0001f910-\U0001f93e\U0001f940-\U0001f970\U0001f973-\U0001f976\U0001f97a\U0001f97c-\U0001f9a2\U0001f9b0-\U0001f9b9\U0001f9c0-\U0001f9c2\U0001f9d0-\U0001f9ff\U0001fa60-\U0001fa6d'
+
+Zl = '\u2028'
+
+Zp = '\u2029'
+
+Zs = ' \xa0\u1680\u2000-\u200a\u202f\u205f\u3000'
+
+xid_continue = 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+
+xid_start = 'A-Z_a-z\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376-\u0377\u037b-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e-\u066f\u0671-\u06d3\u06d5\u06e5-\u06e6\u06ee-\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4-\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f-\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc-\u09dd\u09df-\u09e1\u09f0-\u09f1\u09fc\u0a05-\u0a0a\u0a0f-\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32-\u0a33\u0a35-\u0a36\u0a38-\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2-\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0-\u0ae1\u0af9\u0b05-\u0b0c\u0b0f-\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32-\u0b33\u0b35-\u0b39\u0b3d\u0b5c-\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99-\u0b9a\u0b9c\u0b9e-\u0b9f\u0ba3-\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60-\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0-\u0ce1\u0cf1-\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e40-\u0e46\u0e81-\u0e82\u0e84\u0e87-\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa-\u0eab\u0ead-\u0eb0\u0eb2\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065-\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae-\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5-\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2-\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fef\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a-\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7b9\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd-\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5-\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab65\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufbb1\ufbd3-\ufc5d\ufc64-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdf9\ufe71\ufe73\ufe77\ufe79\ufe7b\ufe7d\ufe7f-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uff9d\uffa0-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc\U00010000-\U0001000b\U0001000d-\U00010026\U00010028-\U0001003a\U0001003c-\U0001003d\U0001003f-\U0001004d\U00010050-\U0001005d\U00010080-\U000100fa\U00010140-\U00010174\U00010280-\U0001029c\U000102a0-\U000102d0\U00010300-\U0001031f\U0001032d-\U0001034a\U00010350-\U00010375\U00010380-\U0001039d\U000103a0-\U000103c3\U000103c8-\U000103cf\U000103d1-\U000103d5\U00010400-\U0001049d\U000104b0-\U000104d3\U000104d8-\U000104fb\U00010500-\U00010527\U00010530-\U00010563\U00010600-\U00010736\U00010740-\U00010755\U00010760-\U00010767\U00010800-\U00010805\U00010808\U0001080a-\U00010835\U00010837-\U00010838\U0001083c\U0001083f-\U00010855\U00010860-\U00010876\U00010880-\U0001089e\U000108e0-\U000108f2\U000108f4-\U000108f5\U00010900-\U00010915\U00010920-\U00010939\U00010980-\U000109b7\U000109be-\U000109bf\U00010a00\U00010a10-\U00010a13\U00010a15-\U00010a17\U00010a19-\U00010a35\U00010a60-\U00010a7c\U00010a80-\U00010a9c\U00010ac0-\U00010ac7\U00010ac9-\U00010ae4\U00010b00-\U00010b35\U00010b40-\U00010b55\U00010b60-\U00010b72\U00010b80-\U00010b91\U00010c00-\U00010c48\U00010c80-\U00010cb2\U00010cc0-\U00010cf2\U00010d00-\U00010d23\U00010f00-\U00010f1c\U00010f27\U00010f30-\U00010f45\U00011003-\U00011037\U00011083-\U000110af\U000110d0-\U000110e8\U00011103-\U00011126\U00011144\U00011150-\U00011172\U00011176\U00011183-\U000111b2\U000111c1-\U000111c4\U000111da\U000111dc\U00011200-\U00011211\U00011213-\U0001122b\U00011280-\U00011286\U00011288\U0001128a-\U0001128d\U0001128f-\U0001129d\U0001129f-\U000112a8\U000112b0-\U000112de\U00011305-\U0001130c\U0001130f-\U00011310\U00011313-\U00011328\U0001132a-\U00011330\U00011332-\U00011333\U00011335-\U00011339\U0001133d\U00011350\U0001135d-\U00011361\U00011400-\U00011434\U00011447-\U0001144a\U00011480-\U000114af\U000114c4-\U000114c5\U000114c7\U00011580-\U000115ae\U000115d8-\U000115db\U00011600-\U0001162f\U00011644\U00011680-\U000116aa\U00011700-\U0001171a\U00011800-\U0001182b\U000118a0-\U000118df\U000118ff\U00011a00\U00011a0b-\U00011a32\U00011a3a\U00011a50\U00011a5c-\U00011a83\U00011a86-\U00011a89\U00011a9d\U00011ac0-\U00011af8\U00011c00-\U00011c08\U00011c0a-\U00011c2e\U00011c40\U00011c72-\U00011c8f\U00011d00-\U00011d06\U00011d08-\U00011d09\U00011d0b-\U00011d30\U00011d46\U00011d60-\U00011d65\U00011d67-\U00011d68\U00011d6a-\U00011d89\U00011d98\U00011ee0-\U00011ef2\U00012000-\U00012399\U00012400-\U0001246e\U00012480-\U00012543\U00013000-\U0001342e\U00014400-\U00014646\U00016800-\U00016a38\U00016a40-\U00016a5e\U00016ad0-\U00016aed\U00016b00-\U00016b2f\U00016b40-\U00016b43\U00016b63-\U00016b77\U00016b7d-\U00016b8f\U00016e40-\U00016e7f\U00016f00-\U00016f44\U00016f50\U00016f93-\U00016f9f\U00016fe0-\U00016fe1\U00017000-\U000187f1\U00018800-\U00018af2\U0001b000-\U0001b11e\U0001b170-\U0001b2fb\U0001bc00-\U0001bc6a\U0001bc70-\U0001bc7c\U0001bc80-\U0001bc88\U0001bc90-\U0001bc99\U0001d400-\U0001d454\U0001d456-\U0001d49c\U0001d49e-\U0001d49f\U0001d4a2\U0001d4a5-\U0001d4a6\U0001d4a9-\U0001d4ac\U0001d4ae-\U0001d4b9\U0001d4bb\U0001d4bd-\U0001d4c3\U0001d4c5-\U0001d505\U0001d507-\U0001d50a\U0001d50d-\U0001d514\U0001d516-\U0001d51c\U0001d51e-\U0001d539\U0001d53b-\U0001d53e\U0001d540-\U0001d544\U0001d546\U0001d54a-\U0001d550\U0001d552-\U0001d6a5\U0001d6a8-\U0001d6c0\U0001d6c2-\U0001d6da\U0001d6dc-\U0001d6fa\U0001d6fc-\U0001d714\U0001d716-\U0001d734\U0001d736-\U0001d74e\U0001d750-\U0001d76e\U0001d770-\U0001d788\U0001d78a-\U0001d7a8\U0001d7aa-\U0001d7c2\U0001d7c4-\U0001d7cb\U0001e800-\U0001e8c4\U0001e900-\U0001e943\U0001ee00-\U0001ee03\U0001ee05-\U0001ee1f\U0001ee21-\U0001ee22\U0001ee24\U0001ee27\U0001ee29-\U0001ee32\U0001ee34-\U0001ee37\U0001ee39\U0001ee3b\U0001ee42\U0001ee47\U0001ee49\U0001ee4b\U0001ee4d-\U0001ee4f\U0001ee51-\U0001ee52\U0001ee54\U0001ee57\U0001ee59\U0001ee5b\U0001ee5d\U0001ee5f\U0001ee61-\U0001ee62\U0001ee64\U0001ee67-\U0001ee6a\U0001ee6c-\U0001ee72\U0001ee74-\U0001ee77\U0001ee79-\U0001ee7c\U0001ee7e\U0001ee80-\U0001ee89\U0001ee8b-\U0001ee9b\U0001eea1-\U0001eea3\U0001eea5-\U0001eea9\U0001eeab-\U0001eebb\U00020000-\U0002a6d6\U0002a700-\U0002b734\U0002b740-\U0002b81d\U0002b820-\U0002cea1\U0002ceb0-\U0002ebe0\U0002f800-\U0002fa1d'
+
+cats = ['Cc', 'Cf', 'Cn', 'Co', 'Cs', 'Ll', 'Lm', 'Lo', 'Lt', 'Lu', 'Mc', 'Me', 'Mn', 'Nd', 'Nl', 'No', 'Pc', 'Pd', 'Pe', 'Pf', 'Pi', 'Po', 'Ps', 'Sc', 'Sk', 'Sm', 'So', 'Zl', 'Zp', 'Zs']
+
+# Generated from unidata 11.0.0
+
+def combine(*args):
+    return ''.join(globals()[cat] for cat in args)
+
+
+def allexcept(*args):
+    newcats = cats[:]
+    for arg in args:
+        newcats.remove(arg)
+    return ''.join(globals()[cat] for cat in newcats)
+
+
+def _handle_runs(char_list):  # pragma: no cover
+    buf = []
+    for c in char_list:
+        if len(c) == 1:
+            if buf and buf[-1][1] == chr(ord(c)-1):
+                buf[-1] = (buf[-1][0], c)
+            else:
+                buf.append((c, c))
+        else:
+            buf.append((c, c))
+    for a, b in buf:
+        if a == b:
+            yield a
+        else:
+            yield '%s-%s' % (a, b)
+
+
+if __name__ == '__main__':  # pragma: no cover
+    import unicodedata
+
+    categories = {'xid_start': [], 'xid_continue': []}
+
+    with open(__file__, encoding='utf-8') as fp:
+        content = fp.read()
+
+    header = content[:content.find('Cc =')]
+    footer = content[content.find("def combine("):]
+
+    for code in range(0x110000):
+        c = chr(code)
+        cat = unicodedata.category(c)
+        if ord(c) == 0xdc00:
+            # Hack to avoid combining this combining with the preceding high
+            # surrogate, 0xdbff, when doing a repr.
+            c = '\\' + c
+        elif ord(c) in (0x2d, 0x5b, 0x5c, 0x5d, 0x5e):
+            # Escape regex metachars.
+            c = '\\' + c
+        categories.setdefault(cat, []).append(c)
+        # XID_START and XID_CONTINUE are special categories used for matching
+        # identifiers in Python 3.
+        if c.isidentifier():
+            categories['xid_start'].append(c)
+        if ('a' + c).isidentifier():
+            categories['xid_continue'].append(c)
+
+    with open(__file__, 'w', encoding='utf-8') as fp:
+        fp.write(header)
+
+        for cat in sorted(categories):
+            val = ''.join(_handle_runs(categories[cat]))
+            fp.write('%s = %a\n\n' % (cat, val))
+
+        cats = sorted(categories)
+        cats.remove('xid_start')
+        cats.remove('xid_continue')
+        fp.write('cats = %r\n\n' % cats)
+
+        fp.write('# Generated from unidata %s\n\n' % (unicodedata.unidata_version,))
+
+        fp.write(footer)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/util.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/util.py
new file mode 100644
index 00000000..941fdb9e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pygments/util.py
@@ -0,0 +1,330 @@
+"""
+    pygments.util
+    ~~~~~~~~~~~~~
+
+    Utility functions.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+from io import TextIOWrapper
+
+
+split_path_re = re.compile(r'[/\\ ]')
+doctype_lookup_re = re.compile(r'''
+    <!DOCTYPE\s+(
+     [a-zA-Z_][a-zA-Z0-9]*
+     (?: \s+      # optional in HTML5
+     [a-zA-Z_][a-zA-Z0-9]*\s+
+     "[^"]*")?
+     )
+     [^>]*>
+''', re.DOTALL | re.MULTILINE | re.VERBOSE)
+tag_re = re.compile(r'<(.+?)(\s.*?)?>.*?</.+?>',
+                    re.IGNORECASE | re.DOTALL | re.MULTILINE)
+xml_decl_re = re.compile(r'\s*<\?xml[^>]*\?>', re.I)
+
+
+class ClassNotFound(ValueError):
+    """Raised if one of the lookup functions didn't find a matching class."""
+
+
+class OptionError(Exception):
+    """
+    This exception will be raised by all option processing functions if
+    the type or value of the argument is not correct.
+    """
+
+def get_choice_opt(options, optname, allowed, default=None, normcase=False):
+    """
+    If the key `optname` from the dictionary is not in the sequence
+    `allowed`, raise an error, otherwise return it.
+    """
+    string = options.get(optname, default)
+    if normcase:
+        string = string.lower()
+    if string not in allowed:
+        raise OptionError('Value for option %s must be one of %s' %
+                          (optname, ', '.join(map(str, allowed))))
+    return string
+
+
+def get_bool_opt(options, optname, default=None):
+    """
+    Intuitively, this is `options.get(optname, default)`, but restricted to
+    Boolean value. The Booleans can be represented as string, in order to accept
+    Boolean value from the command line arguments. If the key `optname` is
+    present in the dictionary `options` and is not associated with a Boolean,
+    raise an `OptionError`. If it is absent, `default` is returned instead.
+
+    The valid string values for ``True`` are ``1``, ``yes``, ``true`` and
+    ``on``, the ones for ``False`` are ``0``, ``no``, ``false`` and ``off``
+    (matched case-insensitively).
+    """
+    string = options.get(optname, default)
+    if isinstance(string, bool):
+        return string
+    elif isinstance(string, int):
+        return bool(string)
+    elif not isinstance(string, str):
+        raise OptionError('Invalid type %r for option %s; use '
+                          '1/0, yes/no, true/false, on/off' % (
+                              string, optname))
+    elif string.lower() in ('1', 'yes', 'true', 'on'):
+        return True
+    elif string.lower() in ('0', 'no', 'false', 'off'):
+        return False
+    else:
+        raise OptionError('Invalid value %r for option %s; use '
+                          '1/0, yes/no, true/false, on/off' % (
+                              string, optname))
+
+
+def get_int_opt(options, optname, default=None):
+    """As :func:`get_bool_opt`, but interpret the value as an integer."""
+    string = options.get(optname, default)
+    try:
+        return int(string)
+    except TypeError:
+        raise OptionError('Invalid type %r for option %s; you '
+                          'must give an integer value' % (
+                              string, optname))
+    except ValueError:
+        raise OptionError('Invalid value %r for option %s; you '
+                          'must give an integer value' % (
+                              string, optname))
+
+def get_list_opt(options, optname, default=None):
+    """
+    If the key `optname` from the dictionary `options` is a string,
+    split it at whitespace and return it. If it is already a list
+    or a tuple, it is returned as a list.
+    """
+    val = options.get(optname, default)
+    if isinstance(val, str):
+        return val.split()
+    elif isinstance(val, (list, tuple)):
+        return list(val)
+    else:
+        raise OptionError('Invalid type %r for option %s; you '
+                          'must give a list value' % (
+                              val, optname))
+
+
+def docstring_headline(obj):
+    if not obj.__doc__:
+        return ''
+    res = []
+    for line in obj.__doc__.strip().splitlines():
+        if line.strip():
+            res.append(" " + line.strip())
+        else:
+            break
+    return ''.join(res).lstrip()
+
+
+def make_analysator(f):
+    """Return a static text analyser function that returns float values."""
+    def text_analyse(text):
+        try:
+            rv = f(text)
+        except Exception:
+            return 0.0
+        if not rv:
+            return 0.0
+        try:
+            return min(1.0, max(0.0, float(rv)))
+        except (ValueError, TypeError):
+            return 0.0
+    text_analyse.__doc__ = f.__doc__
+    return staticmethod(text_analyse)
+
+
+def shebang_matches(text, regex):
+    r"""Check if the given regular expression matches the last part of the
+    shebang if one exists.
+
+        >>> from pygments.util import shebang_matches
+        >>> shebang_matches('#!/usr/bin/env python', r'python(2\.\d)?')
+        True
+        >>> shebang_matches('#!/usr/bin/python2.4', r'python(2\.\d)?')
+        True
+        >>> shebang_matches('#!/usr/bin/python-ruby', r'python(2\.\d)?')
+        False
+        >>> shebang_matches('#!/usr/bin/python/ruby', r'python(2\.\d)?')
+        False
+        >>> shebang_matches('#!/usr/bin/startsomethingwith python',
+        ...                 r'python(2\.\d)?')
+        True
+
+    It also checks for common windows executable file extensions::
+
+        >>> shebang_matches('#!C:\\Python2.4\\Python.exe', r'python(2\.\d)?')
+        True
+
+    Parameters (``'-f'`` or ``'--foo'`` are ignored so ``'perl'`` does
+    the same as ``'perl -e'``)
+
+    Note that this method automatically searches the whole string (eg:
+    the regular expression is wrapped in ``'^$'``)
+    """
+    index = text.find('\n')
+    if index >= 0:
+        first_line = text[:index].lower()
+    else:
+        first_line = text.lower()
+    if first_line.startswith('#!'):
+        try:
+            found = [x for x in split_path_re.split(first_line[2:].strip())
+                     if x and not x.startswith('-')][-1]
+        except IndexError:
+            return False
+        regex = re.compile(r'^%s(\.(exe|cmd|bat|bin))?$' % regex, re.IGNORECASE)
+        if regex.search(found) is not None:
+            return True
+    return False
+
+
+def doctype_matches(text, regex):
+    """Check if the doctype matches a regular expression (if present).
+
+    Note that this method only checks the first part of a DOCTYPE.
+    eg: 'html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"'
+    """
+    m = doctype_lookup_re.search(text)
+    if m is None:
+        return False
+    doctype = m.group(1)
+    return re.compile(regex, re.I).match(doctype.strip()) is not None
+
+
+def html_doctype_matches(text):
+    """Check if the file looks like it has a html doctype."""
+    return doctype_matches(text, r'html')
+
+
+_looks_like_xml_cache = {}
+
+
+def looks_like_xml(text):
+    """Check if a doctype exists or if we have some tags."""
+    if xml_decl_re.match(text):
+        return True
+    key = hash(text)
+    try:
+        return _looks_like_xml_cache[key]
+    except KeyError:
+        m = doctype_lookup_re.search(text)
+        if m is not None:
+            return True
+        rv = tag_re.search(text[:1000]) is not None
+        _looks_like_xml_cache[key] = rv
+        return rv
+
+
+def surrogatepair(c):
+    """Given a unicode character code with length greater than 16 bits,
+    return the two 16 bit surrogate pair.
+    """
+    # From example D28 of:
+    # http://www.unicode.org/book/ch03.pdf
+    return (0xd7c0 + (c >> 10), (0xdc00 + (c & 0x3ff)))
+
+
+def format_lines(var_name, seq, raw=False, indent_level=0):
+    """Formats a sequence of strings for output."""
+    lines = []
+    base_indent = ' ' * indent_level * 4
+    inner_indent = ' ' * (indent_level + 1) * 4
+    lines.append(base_indent + var_name + ' = (')
+    if raw:
+        # These should be preformatted reprs of, say, tuples.
+        for i in seq:
+            lines.append(inner_indent + i + ',')
+    else:
+        for i in seq:
+            # Force use of single quotes
+            r = repr(i + '"')
+            lines.append(inner_indent + r[:-2] + r[-1] + ',')
+    lines.append(base_indent + ')')
+    return '\n'.join(lines)
+
+
+def duplicates_removed(it, already_seen=()):
+    """
+    Returns a list with duplicates removed from the iterable `it`.
+
+    Order is preserved.
+    """
+    lst = []
+    seen = set()
+    for i in it:
+        if i in seen or i in already_seen:
+            continue
+        lst.append(i)
+        seen.add(i)
+    return lst
+
+
+class Future:
+    """Generic class to defer some work.
+
+    Handled specially in RegexLexerMeta, to support regex string construction at
+    first use.
+    """
+    def get(self):
+        raise NotImplementedError
+
+
+def guess_decode(text):
+    """Decode *text* with guessed encoding.
+
+    First try UTF-8; this should fail for non-UTF-8 encodings.
+    Then try the preferred locale encoding.
+    Fall back to latin-1, which always works.
+    """
+    try:
+        text = text.decode('utf-8')
+        return text, 'utf-8'
+    except UnicodeDecodeError:
+        try:
+            import locale
+            prefencoding = locale.getpreferredencoding()
+            text = text.decode()
+            return text, prefencoding
+        except (UnicodeDecodeError, LookupError):
+            text = text.decode('latin1')
+            return text, 'latin1'
+
+
+def guess_decode_from_terminal(text, term):
+    """Decode *text* coming from terminal *term*.
+
+    First try the terminal encoding, if given.
+    Then try UTF-8.  Then try the preferred locale encoding.
+    Fall back to latin-1, which always works.
+    """
+    if getattr(term, 'encoding', None):
+        try:
+            text = text.decode(term.encoding)
+        except UnicodeDecodeError:
+            pass
+        else:
+            return text, term.encoding
+    return guess_decode(text)
+
+
+def terminal_encoding(term):
+    """Return our best guess of encoding for the given *term*."""
+    if getattr(term, 'encoding', None):
+        return term.encoding
+    import locale
+    return locale.getpreferredencoding()
+
+
+class UnclosingTextIOWrapper(TextIOWrapper):
+    # Don't close underlying buffer on destruction.
+    def close(self):
+        self.flush()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/__init__.py
new file mode 100644
index 00000000..88bc10ac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/__init__.py
@@ -0,0 +1,322 @@
+# module pyparsing.py
+#
+# Copyright (c) 2003-2022  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__doc__ = """
+pyparsing module - Classes and methods to define and execute parsing grammars
+=============================================================================
+
+The pyparsing module is an alternative approach to creating and
+executing simple grammars, vs. the traditional lex/yacc approach, or the
+use of regular expressions.  With pyparsing, you don't need to learn
+a new syntax for defining grammars or matching expressions - the parsing
+module provides a library of classes that you use to construct the
+grammar directly in Python.
+
+Here is a program to parse "Hello, World!" (or any greeting of the form
+``"<salutation>, <addressee>!"``), built up using :class:`Word`,
+:class:`Literal`, and :class:`And` elements
+(the :meth:`'+'<ParserElement.__add__>` operators create :class:`And` expressions,
+and the strings are auto-converted to :class:`Literal` expressions)::
+
+    from pip._vendor.pyparsing import Word, alphas
+
+    # define grammar of a greeting
+    greet = Word(alphas) + "," + Word(alphas) + "!"
+
+    hello = "Hello, World!"
+    print(hello, "->", greet.parse_string(hello))
+
+The program outputs the following::
+
+    Hello, World! -> ['Hello', ',', 'World', '!']
+
+The Python representation of the grammar is quite readable, owing to the
+self-explanatory class names, and the use of :class:`'+'<And>`,
+:class:`'|'<MatchFirst>`, :class:`'^'<Or>` and :class:`'&'<Each>` operators.
+
+The :class:`ParseResults` object returned from
+:class:`ParserElement.parse_string` can be
+accessed as a nested list, a dictionary, or an object with named
+attributes.
+
+The pyparsing module handles some of the problems that are typically
+vexing when writing text parsers:
+
+  - extra or missing whitespace (the above program will also handle
+    "Hello,World!", "Hello  ,  World  !", etc.)
+  - quoted strings
+  - embedded comments
+
+
+Getting Started -
+-----------------
+Visit the classes :class:`ParserElement` and :class:`ParseResults` to
+see the base classes that most other pyparsing
+classes inherit from. Use the docstrings for examples of how to:
+
+ - construct literal match expressions from :class:`Literal` and
+   :class:`CaselessLiteral` classes
+ - construct character word-group expressions using the :class:`Word`
+   class
+ - see how to create repetitive expressions using :class:`ZeroOrMore`
+   and :class:`OneOrMore` classes
+ - use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`,
+   and :class:`'&'<Each>` operators to combine simple expressions into
+   more complex ones
+ - associate names with your parsed results using
+   :class:`ParserElement.set_results_name`
+ - access the parsed data, which is returned as a :class:`ParseResults`
+   object
+ - find some helpful expression short-cuts like :class:`DelimitedList`
+   and :class:`one_of`
+ - find more useful common expressions in the :class:`pyparsing_common`
+   namespace class
+"""
+from typing import NamedTuple
+
+
+class version_info(NamedTuple):
+    major: int
+    minor: int
+    micro: int
+    releaselevel: str
+    serial: int
+
+    @property
+    def __version__(self):
+        return (
+            f"{self.major}.{self.minor}.{self.micro}"
+            + (
+                f"{'r' if self.releaselevel[0] == 'c' else ''}{self.releaselevel[0]}{self.serial}",
+                "",
+            )[self.releaselevel == "final"]
+        )
+
+    def __str__(self):
+        return f"{__name__} {self.__version__} / {__version_time__}"
+
+    def __repr__(self):
+        return f"{__name__}.{type(self).__name__}({', '.join('{}={!r}'.format(*nv) for nv in zip(self._fields, self))})"
+
+
+__version_info__ = version_info(3, 1, 0, "final", 1)
+__version_time__ = "18 Jun 2023 14:05 UTC"
+__version__ = __version_info__.__version__
+__versionTime__ = __version_time__
+__author__ = "Paul McGuire <ptmcg.gm+pyparsing@gmail.com>"
+
+from .util import *
+from .exceptions import *
+from .actions import *
+from .core import __diag__, __compat__
+from .results import *
+from .core import *  # type: ignore[misc, assignment]
+from .core import _builtin_exprs as core_builtin_exprs
+from .helpers import *  # type: ignore[misc, assignment]
+from .helpers import _builtin_exprs as helper_builtin_exprs
+
+from .unicode import unicode_set, UnicodeRangeList, pyparsing_unicode as unicode
+from .testing import pyparsing_test as testing
+from .common import (
+    pyparsing_common as common,
+    _builtin_exprs as common_builtin_exprs,
+)
+
+# define backward compat synonyms
+if "pyparsing_unicode" not in globals():
+    pyparsing_unicode = unicode  # type: ignore[misc]
+if "pyparsing_common" not in globals():
+    pyparsing_common = common  # type: ignore[misc]
+if "pyparsing_test" not in globals():
+    pyparsing_test = testing  # type: ignore[misc]
+
+core_builtin_exprs += common_builtin_exprs + helper_builtin_exprs
+
+
+__all__ = [
+    "__version__",
+    "__version_time__",
+    "__author__",
+    "__compat__",
+    "__diag__",
+    "And",
+    "AtLineStart",
+    "AtStringStart",
+    "CaselessKeyword",
+    "CaselessLiteral",
+    "CharsNotIn",
+    "CloseMatch",
+    "Combine",
+    "DelimitedList",
+    "Dict",
+    "Each",
+    "Empty",
+    "FollowedBy",
+    "Forward",
+    "GoToColumn",
+    "Group",
+    "IndentedBlock",
+    "Keyword",
+    "LineEnd",
+    "LineStart",
+    "Literal",
+    "Located",
+    "PrecededBy",
+    "MatchFirst",
+    "NoMatch",
+    "NotAny",
+    "OneOrMore",
+    "OnlyOnce",
+    "OpAssoc",
+    "Opt",
+    "Optional",
+    "Or",
+    "ParseBaseException",
+    "ParseElementEnhance",
+    "ParseException",
+    "ParseExpression",
+    "ParseFatalException",
+    "ParseResults",
+    "ParseSyntaxException",
+    "ParserElement",
+    "PositionToken",
+    "QuotedString",
+    "RecursiveGrammarException",
+    "Regex",
+    "SkipTo",
+    "StringEnd",
+    "StringStart",
+    "Suppress",
+    "Token",
+    "TokenConverter",
+    "White",
+    "Word",
+    "WordEnd",
+    "WordStart",
+    "ZeroOrMore",
+    "Char",
+    "alphanums",
+    "alphas",
+    "alphas8bit",
+    "any_close_tag",
+    "any_open_tag",
+    "autoname_elements",
+    "c_style_comment",
+    "col",
+    "common_html_entity",
+    "condition_as_parse_action",
+    "counted_array",
+    "cpp_style_comment",
+    "dbl_quoted_string",
+    "dbl_slash_comment",
+    "delimited_list",
+    "dict_of",
+    "empty",
+    "hexnums",
+    "html_comment",
+    "identchars",
+    "identbodychars",
+    "infix_notation",
+    "java_style_comment",
+    "line",
+    "line_end",
+    "line_start",
+    "lineno",
+    "make_html_tags",
+    "make_xml_tags",
+    "match_only_at_col",
+    "match_previous_expr",
+    "match_previous_literal",
+    "nested_expr",
+    "null_debug_action",
+    "nums",
+    "one_of",
+    "original_text_for",
+    "printables",
+    "punc8bit",
+    "pyparsing_common",
+    "pyparsing_test",
+    "pyparsing_unicode",
+    "python_style_comment",
+    "quoted_string",
+    "remove_quotes",
+    "replace_with",
+    "replace_html_entity",
+    "rest_of_line",
+    "sgl_quoted_string",
+    "srange",
+    "string_end",
+    "string_start",
+    "token_map",
+    "trace_parse_action",
+    "ungroup",
+    "unicode_set",
+    "unicode_string",
+    "with_attribute",
+    "with_class",
+    # pre-PEP8 compatibility names
+    "__versionTime__",
+    "anyCloseTag",
+    "anyOpenTag",
+    "cStyleComment",
+    "commonHTMLEntity",
+    "conditionAsParseAction",
+    "countedArray",
+    "cppStyleComment",
+    "dblQuotedString",
+    "dblSlashComment",
+    "delimitedList",
+    "dictOf",
+    "htmlComment",
+    "indentedBlock",
+    "infixNotation",
+    "javaStyleComment",
+    "lineEnd",
+    "lineStart",
+    "locatedExpr",
+    "makeHTMLTags",
+    "makeXMLTags",
+    "matchOnlyAtCol",
+    "matchPreviousExpr",
+    "matchPreviousLiteral",
+    "nestedExpr",
+    "nullDebugAction",
+    "oneOf",
+    "opAssoc",
+    "originalTextFor",
+    "pythonStyleComment",
+    "quotedString",
+    "removeQuotes",
+    "replaceHTMLEntity",
+    "replaceWith",
+    "restOfLine",
+    "sglQuotedString",
+    "stringEnd",
+    "stringStart",
+    "tokenMap",
+    "traceParseAction",
+    "unicodeString",
+    "withAttribute",
+    "withClass",
+]
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new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/actions.py
@@ -0,0 +1,217 @@
+# actions.py
+
+from .exceptions import ParseException
+from .util import col, replaced_by_pep8
+
+
+class OnlyOnce:
+    """
+    Wrapper for parse actions, to ensure they are only called once.
+    """
+
+    def __init__(self, method_call):
+        from .core import _trim_arity
+
+        self.callable = _trim_arity(method_call)
+        self.called = False
+
+    def __call__(self, s, l, t):
+        if not self.called:
+            results = self.callable(s, l, t)
+            self.called = True
+            return results
+        raise ParseException(s, l, "OnlyOnce obj called multiple times w/out reset")
+
+    def reset(self):
+        """
+        Allow the associated parse action to be called once more.
+        """
+
+        self.called = False
+
+
+def match_only_at_col(n):
+    """
+    Helper method for defining parse actions that require matching at
+    a specific column in the input text.
+    """
+
+    def verify_col(strg, locn, toks):
+        if col(locn, strg) != n:
+            raise ParseException(strg, locn, f"matched token not at column {n}")
+
+    return verify_col
+
+
+def replace_with(repl_str):
+    """
+    Helper method for common parse actions that simply return
+    a literal value.  Especially useful when used with
+    :class:`transform_string<ParserElement.transform_string>` ().
+
+    Example::
+
+        num = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+        na = one_of("N/A NA").set_parse_action(replace_with(math.nan))
+        term = na | num
+
+        term[1, ...].parse_string("324 234 N/A 234") # -> [324, 234, nan, 234]
+    """
+    return lambda s, l, t: [repl_str]
+
+
+def remove_quotes(s, l, t):
+    """
+    Helper parse action for removing quotation marks from parsed
+    quoted strings.
+
+    Example::
+
+        # by default, quotation marks are included in parsed results
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"]
+
+        # use remove_quotes to strip quotation marks from parsed results
+        quoted_string.set_parse_action(remove_quotes)
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"]
+    """
+    return t[0][1:-1]
+
+
+def with_attribute(*args, **attr_dict):
+    """
+    Helper to create a validating parse action to be used with start
+    tags created with :class:`make_xml_tags` or
+    :class:`make_html_tags`. Use ``with_attribute`` to qualify
+    a starting tag with a required attribute value, to avoid false
+    matches on common tags such as ``<TD>`` or ``<DIV>``.
+
+    Call ``with_attribute`` with a series of attribute names and
+    values. Specify the list of filter attributes names and values as:
+
+    - keyword arguments, as in ``(align="right")``, or
+    - as an explicit dict with ``**`` operator, when an attribute
+      name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}``
+    - a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align", "right"))``
+
+    For attribute names with a namespace prefix, you must use the second
+    form.  Attribute names are matched insensitive to upper/lower case.
+
+    If just testing for ``class`` (with or without a namespace), use
+    :class:`with_class`.
+
+    To verify that the attribute exists, but without specifying a value,
+    pass ``with_attribute.ANY_VALUE`` as the value.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div type="grid">1 4 0 1 0</div>
+            <div type="graph">1,3 2,3 1,1</div>
+            <div>this has no type</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+
+        # only match div tag having a type attribute with value "grid"
+        div_grid = div().set_parse_action(with_attribute(type="grid"))
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        # construct a match with any div tag having a type attribute, regardless of the value
+        div_any_type = div().set_parse_action(with_attribute(type=with_attribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    if args:
+        attrs = args[:]
+    else:
+        attrs = attr_dict.items()
+    attrs = [(k, v) for k, v in attrs]
+
+    def pa(s, l, tokens):
+        for attrName, attrValue in attrs:
+            if attrName not in tokens:
+                raise ParseException(s, l, "no matching attribute " + attrName)
+            if attrValue != with_attribute.ANY_VALUE and tokens[attrName] != attrValue:
+                raise ParseException(
+                    s,
+                    l,
+                    f"attribute {attrName!r} has value {tokens[attrName]!r}, must be {attrValue!r}",
+                )
+
+    return pa
+
+
+with_attribute.ANY_VALUE = object()  # type: ignore [attr-defined]
+
+
+def with_class(classname, namespace=""):
+    """
+    Simplified version of :class:`with_attribute` when
+    matching on a div class - made difficult because ``class`` is
+    a reserved word in Python.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div class="grid">1 4 0 1 0</div>
+            <div class="graph">1,3 2,3 1,1</div>
+            <div>this &lt;div&gt; has no class</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+        div_grid = div().set_parse_action(with_class("grid"))
+
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        div_any_type = div().set_parse_action(with_class(withAttribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    classattr = f"{namespace}:class" if namespace else "class"
+    return with_attribute(**{classattr: classname})
+
+
+# pre-PEP8 compatibility symbols
+# fmt: off
+@replaced_by_pep8(replace_with)
+def replaceWith(): ...
+
+@replaced_by_pep8(remove_quotes)
+def removeQuotes(): ...
+
+@replaced_by_pep8(with_attribute)
+def withAttribute(): ...
+
+@replaced_by_pep8(with_class)
+def withClass(): ...
+
+@replaced_by_pep8(match_only_at_col)
+def matchOnlyAtCol(): ...
+
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/common.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/common.py
new file mode 100644
index 00000000..7a666b27
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/common.py
@@ -0,0 +1,432 @@
+# common.py
+from .core import *
+from .helpers import DelimitedList, any_open_tag, any_close_tag
+from datetime import datetime
+
+
+# some other useful expressions - using lower-case class name since we are really using this as a namespace
+class pyparsing_common:
+    """Here are some common low-level expressions that may be useful in
+    jump-starting parser development:
+
+    - numeric forms (:class:`integers<integer>`, :class:`reals<real>`,
+      :class:`scientific notation<sci_real>`)
+    - common :class:`programming identifiers<identifier>`
+    - network addresses (:class:`MAC<mac_address>`,
+      :class:`IPv4<ipv4_address>`, :class:`IPv6<ipv6_address>`)
+    - ISO8601 :class:`dates<iso8601_date>` and
+      :class:`datetime<iso8601_datetime>`
+    - :class:`UUID<uuid>`
+    - :class:`comma-separated list<comma_separated_list>`
+    - :class:`url`
+
+    Parse actions:
+
+    - :class:`convert_to_integer`
+    - :class:`convert_to_float`
+    - :class:`convert_to_date`
+    - :class:`convert_to_datetime`
+    - :class:`strip_html_tags`
+    - :class:`upcase_tokens`
+    - :class:`downcase_tokens`
+
+    Example::
+
+        pyparsing_common.number.run_tests('''
+            # any int or real number, returned as the appropriate type
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.fnumber.run_tests('''
+            # any int or real number, returned as float
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.hex_integer.run_tests('''
+            # hex numbers
+            100
+            FF
+            ''')
+
+        pyparsing_common.fraction.run_tests('''
+            # fractions
+            1/2
+            -3/4
+            ''')
+
+        pyparsing_common.mixed_integer.run_tests('''
+            # mixed fractions
+            1
+            1/2
+            -3/4
+            1-3/4
+            ''')
+
+        import uuid
+        pyparsing_common.uuid.set_parse_action(token_map(uuid.UUID))
+        pyparsing_common.uuid.run_tests('''
+            # uuid
+            12345678-1234-5678-1234-567812345678
+            ''')
+
+    prints::
+
+        # any int or real number, returned as the appropriate type
+        100
+        [100]
+
+        -100
+        [-100]
+
+        +100
+        [100]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # any int or real number, returned as float
+        100
+        [100.0]
+
+        -100
+        [-100.0]
+
+        +100
+        [100.0]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # hex numbers
+        100
+        [256]
+
+        FF
+        [255]
+
+        # fractions
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        # mixed fractions
+        1
+        [1]
+
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        1-3/4
+        [1.75]
+
+        # uuid
+        12345678-1234-5678-1234-567812345678
+        [UUID('12345678-1234-5678-1234-567812345678')]
+    """
+
+    convert_to_integer = token_map(int)
+    """
+    Parse action for converting parsed integers to Python int
+    """
+
+    convert_to_float = token_map(float)
+    """
+    Parse action for converting parsed numbers to Python float
+    """
+
+    integer = Word(nums).set_name("integer").set_parse_action(convert_to_integer)
+    """expression that parses an unsigned integer, returns an int"""
+
+    hex_integer = (
+        Word(hexnums).set_name("hex integer").set_parse_action(token_map(int, 16))
+    )
+    """expression that parses a hexadecimal integer, returns an int"""
+
+    signed_integer = (
+        Regex(r"[+-]?\d+")
+        .set_name("signed integer")
+        .set_parse_action(convert_to_integer)
+    )
+    """expression that parses an integer with optional leading sign, returns an int"""
+
+    fraction = (
+        signed_integer().set_parse_action(convert_to_float)
+        + "/"
+        + signed_integer().set_parse_action(convert_to_float)
+    ).set_name("fraction")
+    """fractional expression of an integer divided by an integer, returns a float"""
+    fraction.add_parse_action(lambda tt: tt[0] / tt[-1])
+
+    mixed_integer = (
+        fraction | signed_integer + Opt(Opt("-").suppress() + fraction)
+    ).set_name("fraction or mixed integer-fraction")
+    """mixed integer of the form 'integer - fraction', with optional leading integer, returns float"""
+    mixed_integer.add_parse_action(sum)
+
+    real = (
+        Regex(r"[+-]?(?:\d+\.\d*|\.\d+)")
+        .set_name("real number")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number and returns a float"""
+
+    sci_real = (
+        Regex(r"[+-]?(?:\d+(?:[eE][+-]?\d+)|(?:\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?)")
+        .set_name("real number with scientific notation")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number with optional
+    scientific notation and returns a float"""
+
+    # streamlining this expression makes the docs nicer-looking
+    number = (sci_real | real | signed_integer).setName("number").streamline()
+    """any numeric expression, returns the corresponding Python type"""
+
+    fnumber = (
+        Regex(r"[+-]?\d+\.?\d*([eE][+-]?\d+)?")
+        .set_name("fnumber")
+        .set_parse_action(convert_to_float)
+    )
+    """any int or real number, returned as float"""
+
+    identifier = Word(identchars, identbodychars).set_name("identifier")
+    """typical code identifier (leading alpha or '_', followed by 0 or more alphas, nums, or '_')"""
+
+    ipv4_address = Regex(
+        r"(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}"
+    ).set_name("IPv4 address")
+    "IPv4 address (``0.0.0.0 - 255.255.255.255``)"
+
+    _ipv6_part = Regex(r"[0-9a-fA-F]{1,4}").set_name("hex_integer")
+    _full_ipv6_address = (_ipv6_part + (":" + _ipv6_part) * 7).set_name(
+        "full IPv6 address"
+    )
+    _short_ipv6_address = (
+        Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+        + "::"
+        + Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+    ).set_name("short IPv6 address")
+    _short_ipv6_address.add_condition(
+        lambda t: sum(1 for tt in t if pyparsing_common._ipv6_part.matches(tt)) < 8
+    )
+    _mixed_ipv6_address = ("::ffff:" + ipv4_address).set_name("mixed IPv6 address")
+    ipv6_address = Combine(
+        (_full_ipv6_address | _mixed_ipv6_address | _short_ipv6_address).set_name(
+            "IPv6 address"
+        )
+    ).set_name("IPv6 address")
+    "IPv6 address (long, short, or mixed form)"
+
+    mac_address = Regex(
+        r"[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}"
+    ).set_name("MAC address")
+    "MAC address xx:xx:xx:xx:xx (may also have '-' or '.' delimiters)"
+
+    @staticmethod
+    def convert_to_date(fmt: str = "%Y-%m-%d"):
+        """
+        Helper to create a parse action for converting parsed date string to Python datetime.date
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%d"``)
+
+        Example::
+
+            date_expr = pyparsing_common.iso8601_date.copy()
+            date_expr.set_parse_action(pyparsing_common.convert_to_date())
+            print(date_expr.parse_string("1999-12-31"))
+
+        prints::
+
+            [datetime.date(1999, 12, 31)]
+        """
+
+        def cvt_fn(ss, ll, tt):
+            try:
+                return datetime.strptime(tt[0], fmt).date()
+            except ValueError as ve:
+                raise ParseException(ss, ll, str(ve))
+
+        return cvt_fn
+
+    @staticmethod
+    def convert_to_datetime(fmt: str = "%Y-%m-%dT%H:%M:%S.%f"):
+        """Helper to create a parse action for converting parsed
+        datetime string to Python datetime.datetime
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%dT%H:%M:%S.%f"``)
+
+        Example::
+
+            dt_expr = pyparsing_common.iso8601_datetime.copy()
+            dt_expr.set_parse_action(pyparsing_common.convert_to_datetime())
+            print(dt_expr.parse_string("1999-12-31T23:59:59.999"))
+
+        prints::
+
+            [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)]
+        """
+
+        def cvt_fn(s, l, t):
+            try:
+                return datetime.strptime(t[0], fmt)
+            except ValueError as ve:
+                raise ParseException(s, l, str(ve))
+
+        return cvt_fn
+
+    iso8601_date = Regex(
+        r"(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?"
+    ).set_name("ISO8601 date")
+    "ISO8601 date (``yyyy-mm-dd``)"
+
+    iso8601_datetime = Regex(
+        r"(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?"
+    ).set_name("ISO8601 datetime")
+    "ISO8601 datetime (``yyyy-mm-ddThh:mm:ss.s(Z|+-00:00)``) - trailing seconds, milliseconds, and timezone optional; accepts separating ``'T'`` or ``' '``"
+
+    uuid = Regex(r"[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}").set_name("UUID")
+    "UUID (``xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx``)"
+
+    _html_stripper = any_open_tag.suppress() | any_close_tag.suppress()
+
+    @staticmethod
+    def strip_html_tags(s: str, l: int, tokens: ParseResults):
+        """Parse action to remove HTML tags from web page HTML source
+
+        Example::
+
+            # strip HTML links from normal text
+            text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+            td, td_end = make_html_tags("TD")
+            table_text = td + SkipTo(td_end).set_parse_action(pyparsing_common.strip_html_tags)("body") + td_end
+            print(table_text.parse_string(text).body)
+
+        Prints::
+
+            More info at the pyparsing wiki page
+        """
+        return pyparsing_common._html_stripper.transform_string(tokens[0])
+
+    _commasepitem = (
+        Combine(
+            OneOrMore(
+                ~Literal(",")
+                + ~LineEnd()
+                + Word(printables, exclude_chars=",")
+                + Opt(White(" \t") + ~FollowedBy(LineEnd() | ","))
+            )
+        )
+        .streamline()
+        .set_name("commaItem")
+    )
+    comma_separated_list = DelimitedList(
+        Opt(quoted_string.copy() | _commasepitem, default="")
+    ).set_name("comma separated list")
+    """Predefined expression of 1 or more printable words or quoted strings, separated by commas."""
+
+    upcase_tokens = staticmethod(token_map(lambda t: t.upper()))
+    """Parse action to convert tokens to upper case."""
+
+    downcase_tokens = staticmethod(token_map(lambda t: t.lower()))
+    """Parse action to convert tokens to lower case."""
+
+    # fmt: off
+    url = Regex(
+        # https://mathiasbynens.be/demo/url-regex
+        # https://gist.github.com/dperini/729294
+        r"(?P<url>" +
+        # protocol identifier (optional)
+        # short syntax // still required
+        r"(?:(?:(?P<scheme>https?|ftp):)?\/\/)" +
+        # user:pass BasicAuth (optional)
+        r"(?:(?P<auth>\S+(?::\S*)?)@)?" +
+        r"(?P<host>" +
+        # IP address exclusion
+        # private & local networks
+        r"(?!(?:10|127)(?:\.\d{1,3}){3})" +
+        r"(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})" +
+        r"(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})" +
+        # IP address dotted notation octets
+        # excludes loopback network 0.0.0.0
+        # excludes reserved space >= 224.0.0.0
+        # excludes network & broadcast addresses
+        # (first & last IP address of each class)
+        r"(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])" +
+        r"(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}" +
+        r"(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))" +
+        r"|" +
+        # host & domain names, may end with dot
+        # can be replaced by a shortest alternative
+        # (?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.)+
+        r"(?:" +
+        r"(?:" +
+        r"[a-z0-9\u00a1-\uffff]" +
+        r"[a-z0-9\u00a1-\uffff_-]{0,62}" +
+        r")?" +
+        r"[a-z0-9\u00a1-\uffff]\." +
+        r")+" +
+        # TLD identifier name, may end with dot
+        r"(?:[a-z\u00a1-\uffff]{2,}\.?)" +
+        r")" +
+        # port number (optional)
+        r"(:(?P<port>\d{2,5}))?" +
+        # resource path (optional)
+        r"(?P<path>\/[^?# ]*)?" +
+        # query string (optional)
+        r"(\?(?P<query>[^#]*))?" +
+        # fragment (optional)
+        r"(#(?P<fragment>\S*))?" +
+        r")"
+    ).set_name("url")
+    """URL (http/https/ftp scheme)"""
+    # fmt: on
+
+    # pre-PEP8 compatibility names
+    convertToInteger = convert_to_integer
+    """Deprecated - use :class:`convert_to_integer`"""
+    convertToFloat = convert_to_float
+    """Deprecated - use :class:`convert_to_float`"""
+    convertToDate = convert_to_date
+    """Deprecated - use :class:`convert_to_date`"""
+    convertToDatetime = convert_to_datetime
+    """Deprecated - use :class:`convert_to_datetime`"""
+    stripHTMLTags = strip_html_tags
+    """Deprecated - use :class:`strip_html_tags`"""
+    upcaseTokens = upcase_tokens
+    """Deprecated - use :class:`upcase_tokens`"""
+    downcaseTokens = downcase_tokens
+    """Deprecated - use :class:`downcase_tokens`"""
+
+
+_builtin_exprs = [
+    v for v in vars(pyparsing_common).values() if isinstance(v, ParserElement)
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/core.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/core.py
new file mode 100644
index 00000000..8d5a856e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/core.py
@@ -0,0 +1,6115 @@
+#
+# core.py
+#
+
+from collections import deque
+import os
+import typing
+from typing import (
+    Any,
+    Callable,
+    Generator,
+    List,
+    NamedTuple,
+    Sequence,
+    Set,
+    TextIO,
+    Tuple,
+    Union,
+    cast,
+)
+from abc import ABC, abstractmethod
+from enum import Enum
+import string
+import copy
+import warnings
+import re
+import sys
+from collections.abc import Iterable
+import traceback
+import types
+from operator import itemgetter
+from functools import wraps
+from threading import RLock
+from pathlib import Path
+
+from .util import (
+    _FifoCache,
+    _UnboundedCache,
+    __config_flags,
+    _collapse_string_to_ranges,
+    _escape_regex_range_chars,
+    _bslash,
+    _flatten,
+    LRUMemo as _LRUMemo,
+    UnboundedMemo as _UnboundedMemo,
+    replaced_by_pep8,
+)
+from .exceptions import *
+from .actions import *
+from .results import ParseResults, _ParseResultsWithOffset
+from .unicode import pyparsing_unicode
+
+_MAX_INT = sys.maxsize
+str_type: Tuple[type, ...] = (str, bytes)
+
+#
+# Copyright (c) 2003-2022  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+
+if sys.version_info >= (3, 8):
+    from functools import cached_property
+else:
+
+    class cached_property:
+        def __init__(self, func):
+            self._func = func
+
+        def __get__(self, instance, owner=None):
+            ret = instance.__dict__[self._func.__name__] = self._func(instance)
+            return ret
+
+
+class __compat__(__config_flags):
+    """
+    A cross-version compatibility configuration for pyparsing features that will be
+    released in a future version. By setting values in this configuration to True,
+    those features can be enabled in prior versions for compatibility development
+    and testing.
+
+    - ``collect_all_And_tokens`` - flag to enable fix for Issue #63 that fixes erroneous grouping
+      of results names when an :class:`And` expression is nested within an :class:`Or` or :class:`MatchFirst`;
+      maintained for compatibility, but setting to ``False`` no longer restores pre-2.3.1
+      behavior
+    """
+
+    _type_desc = "compatibility"
+
+    collect_all_And_tokens = True
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _fixed_names = """
+        collect_all_And_tokens
+        """.split()
+
+
+class __diag__(__config_flags):
+    _type_desc = "diagnostic"
+
+    warn_multiple_tokens_in_named_alternation = False
+    warn_ungrouped_named_tokens_in_collection = False
+    warn_name_set_on_empty_Forward = False
+    warn_on_parse_using_empty_Forward = False
+    warn_on_assignment_to_Forward = False
+    warn_on_multiple_string_args_to_oneof = False
+    warn_on_match_first_with_lshift_operator = False
+    enable_debug_on_named_expressions = False
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _warning_names = [name for name in _all_names if name.startswith("warn")]
+    _debug_names = [name for name in _all_names if name.startswith("enable_debug")]
+
+    @classmethod
+    def enable_all_warnings(cls) -> None:
+        for name in cls._warning_names:
+            cls.enable(name)
+
+
+class Diagnostics(Enum):
+    """
+    Diagnostic configuration (all default to disabled)
+
+    - ``warn_multiple_tokens_in_named_alternation`` - flag to enable warnings when a results
+      name is defined on a :class:`MatchFirst` or :class:`Or` expression with one or more :class:`And` subexpressions
+    - ``warn_ungrouped_named_tokens_in_collection`` - flag to enable warnings when a results
+      name is defined on a containing expression with ungrouped subexpressions that also
+      have results names
+    - ``warn_name_set_on_empty_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      with a results name, but has no contents defined
+    - ``warn_on_parse_using_empty_Forward`` - flag to enable warnings when a :class:`Forward` is
+      defined in a grammar but has never had an expression attached to it
+    - ``warn_on_assignment_to_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      but is overwritten by assigning using ``'='`` instead of ``'<<='`` or ``'<<'``
+    - ``warn_on_multiple_string_args_to_oneof`` - flag to enable warnings when :class:`one_of` is
+      incorrectly called with multiple str arguments
+    - ``enable_debug_on_named_expressions`` - flag to auto-enable debug on all subsequent
+      calls to :class:`ParserElement.set_name`
+
+    Diagnostics are enabled/disabled by calling :class:`enable_diag` and :class:`disable_diag`.
+    All warnings can be enabled by calling :class:`enable_all_warnings`.
+    """
+
+    warn_multiple_tokens_in_named_alternation = 0
+    warn_ungrouped_named_tokens_in_collection = 1
+    warn_name_set_on_empty_Forward = 2
+    warn_on_parse_using_empty_Forward = 3
+    warn_on_assignment_to_Forward = 4
+    warn_on_multiple_string_args_to_oneof = 5
+    warn_on_match_first_with_lshift_operator = 6
+    enable_debug_on_named_expressions = 7
+
+
+def enable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Enable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.enable(diag_enum.name)
+
+
+def disable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Disable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.disable(diag_enum.name)
+
+
+def enable_all_warnings() -> None:
+    """
+    Enable all global pyparsing diagnostic warnings (see :class:`Diagnostics`).
+    """
+    __diag__.enable_all_warnings()
+
+
+# hide abstract class
+del __config_flags
+
+
+def _should_enable_warnings(
+    cmd_line_warn_options: typing.Iterable[str], warn_env_var: typing.Optional[str]
+) -> bool:
+    enable = bool(warn_env_var)
+    for warn_opt in cmd_line_warn_options:
+        w_action, w_message, w_category, w_module, w_line = (warn_opt + "::::").split(
+            ":"
+        )[:5]
+        if not w_action.lower().startswith("i") and (
+            not (w_message or w_category or w_module) or w_module == "pyparsing"
+        ):
+            enable = True
+        elif w_action.lower().startswith("i") and w_module in ("pyparsing", ""):
+            enable = False
+    return enable
+
+
+if _should_enable_warnings(
+    sys.warnoptions, os.environ.get("PYPARSINGENABLEALLWARNINGS")
+):
+    enable_all_warnings()
+
+
+# build list of single arg builtins, that can be used as parse actions
+_single_arg_builtins = {
+    sum,
+    len,
+    sorted,
+    reversed,
+    list,
+    tuple,
+    set,
+    any,
+    all,
+    min,
+    max,
+}
+
+_generatorType = types.GeneratorType
+ParseImplReturnType = Tuple[int, Any]
+PostParseReturnType = Union[ParseResults, Sequence[ParseResults]]
+ParseAction = Union[
+    Callable[[], Any],
+    Callable[[ParseResults], Any],
+    Callable[[int, ParseResults], Any],
+    Callable[[str, int, ParseResults], Any],
+]
+ParseCondition = Union[
+    Callable[[], bool],
+    Callable[[ParseResults], bool],
+    Callable[[int, ParseResults], bool],
+    Callable[[str, int, ParseResults], bool],
+]
+ParseFailAction = Callable[[str, int, "ParserElement", Exception], None]
+DebugStartAction = Callable[[str, int, "ParserElement", bool], None]
+DebugSuccessAction = Callable[
+    [str, int, int, "ParserElement", ParseResults, bool], None
+]
+DebugExceptionAction = Callable[[str, int, "ParserElement", Exception, bool], None]
+
+
+alphas = string.ascii_uppercase + string.ascii_lowercase
+identchars = pyparsing_unicode.Latin1.identchars
+identbodychars = pyparsing_unicode.Latin1.identbodychars
+nums = "0123456789"
+hexnums = nums + "ABCDEFabcdef"
+alphanums = alphas + nums
+printables = "".join([c for c in string.printable if c not in string.whitespace])
+
+_trim_arity_call_line: traceback.StackSummary = None  # type: ignore[assignment]
+
+
+def _trim_arity(func, max_limit=3):
+    """decorator to trim function calls to match the arity of the target"""
+    global _trim_arity_call_line
+
+    if func in _single_arg_builtins:
+        return lambda s, l, t: func(t)
+
+    limit = 0
+    found_arity = False
+
+    # synthesize what would be returned by traceback.extract_stack at the call to
+    # user's parse action 'func', so that we don't incur call penalty at parse time
+
+    # fmt: off
+    LINE_DIFF = 7
+    # IF ANY CODE CHANGES, EVEN JUST COMMENTS OR BLANK LINES, BETWEEN THE NEXT LINE AND
+    # THE CALL TO FUNC INSIDE WRAPPER, LINE_DIFF MUST BE MODIFIED!!!!
+    _trim_arity_call_line = (_trim_arity_call_line or traceback.extract_stack(limit=2)[-1])
+    pa_call_line_synth = (_trim_arity_call_line[0], _trim_arity_call_line[1] + LINE_DIFF)
+
+    def wrapper(*args):
+        nonlocal found_arity, limit
+        while 1:
+            try:
+                ret = func(*args[limit:])
+                found_arity = True
+                return ret
+            except TypeError as te:
+                # re-raise TypeErrors if they did not come from our arity testing
+                if found_arity:
+                    raise
+                else:
+                    tb = te.__traceback__
+                    frames = traceback.extract_tb(tb, limit=2)
+                    frame_summary = frames[-1]
+                    trim_arity_type_error = (
+                        [frame_summary[:2]][-1][:2] == pa_call_line_synth
+                    )
+                    del tb
+
+                    if trim_arity_type_error:
+                        if limit < max_limit:
+                            limit += 1
+                            continue
+
+                    raise
+    # fmt: on
+
+    # copy func name to wrapper for sensible debug output
+    # (can't use functools.wraps, since that messes with function signature)
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    wrapper.__name__ = func_name
+    wrapper.__doc__ = func.__doc__
+
+    return wrapper
+
+
+def condition_as_parse_action(
+    fn: ParseCondition, message: typing.Optional[str] = None, fatal: bool = False
+) -> ParseAction:
+    """
+    Function to convert a simple predicate function that returns ``True`` or ``False``
+    into a parse action. Can be used in places when a parse action is required
+    and :class:`ParserElement.add_condition` cannot be used (such as when adding a condition
+    to an operator level in :class:`infix_notation`).
+
+    Optional keyword arguments:
+
+    - ``message`` - define a custom message to be used in the raised exception
+    - ``fatal`` - if True, will raise :class:`ParseFatalException` to stop parsing immediately;
+      otherwise will raise :class:`ParseException`
+
+    """
+    msg = message if message is not None else "failed user-defined condition"
+    exc_type = ParseFatalException if fatal else ParseException
+    fn = _trim_arity(fn)
+
+    @wraps(fn)
+    def pa(s, l, t):
+        if not bool(fn(s, l, t)):
+            raise exc_type(s, l, msg)
+
+    return pa
+
+
+def _default_start_debug_action(
+    instring: str, loc: int, expr: "ParserElement", cache_hit: bool = False
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(
+        (
+            f"{cache_hit_str}Match {expr} at loc {loc}({lineno(loc, instring)},{col(loc, instring)})\n"
+            f"  {line(loc, instring)}\n"
+            f"  {' ' * (col(loc, instring) - 1)}^"
+        )
+    )
+
+
+def _default_success_debug_action(
+    instring: str,
+    startloc: int,
+    endloc: int,
+    expr: "ParserElement",
+    toks: ParseResults,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(f"{cache_hit_str}Matched {expr} -> {toks.as_list()}")
+
+
+def _default_exception_debug_action(
+    instring: str,
+    loc: int,
+    expr: "ParserElement",
+    exc: Exception,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(f"{cache_hit_str}Match {expr} failed, {type(exc).__name__} raised: {exc}")
+
+
+def null_debug_action(*args):
+    """'Do-nothing' debug action, to suppress debugging output during parsing."""
+
+
+class ParserElement(ABC):
+    """Abstract base level parser element class."""
+
+    DEFAULT_WHITE_CHARS: str = " \n\t\r"
+    verbose_stacktrace: bool = False
+    _literalStringClass: type = None  # type: ignore[assignment]
+
+    @staticmethod
+    def set_default_whitespace_chars(chars: str) -> None:
+        r"""
+        Overrides the default whitespace chars
+
+        Example::
+
+            # default whitespace chars are space, <TAB> and newline
+            Word(alphas)[1, ...].parse_string("abc def\nghi jkl")  # -> ['abc', 'def', 'ghi', 'jkl']
+
+            # change to just treat newline as significant
+            ParserElement.set_default_whitespace_chars(" \t")
+            Word(alphas)[1, ...].parse_string("abc def\nghi jkl")  # -> ['abc', 'def']
+        """
+        ParserElement.DEFAULT_WHITE_CHARS = chars
+
+        # update whitespace all parse expressions defined in this module
+        for expr in _builtin_exprs:
+            if expr.copyDefaultWhiteChars:
+                expr.whiteChars = set(chars)
+
+    @staticmethod
+    def inline_literals_using(cls: type) -> None:
+        """
+        Set class to be used for inclusion of string literals into a parser.
+
+        Example::
+
+            # default literal class used is Literal
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '/', '12', '/', '31']
+
+
+            # change to Suppress
+            ParserElement.inline_literals_using(Suppress)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '12', '31']
+        """
+        ParserElement._literalStringClass = cls
+
+    @classmethod
+    def using_each(cls, seq, **class_kwargs):
+        """
+        Yields a sequence of class(obj, **class_kwargs) for obj in seq.
+
+        Example::
+
+            LPAR, RPAR, LBRACE, RBRACE, SEMI = Suppress.using_each("(){};")
+
+        """
+        yield from (cls(obj, **class_kwargs) for obj in seq)
+
+    class DebugActions(NamedTuple):
+        debug_try: typing.Optional[DebugStartAction]
+        debug_match: typing.Optional[DebugSuccessAction]
+        debug_fail: typing.Optional[DebugExceptionAction]
+
+    def __init__(self, savelist: bool = False):
+        self.parseAction: List[ParseAction] = list()
+        self.failAction: typing.Optional[ParseFailAction] = None
+        self.customName: str = None  # type: ignore[assignment]
+        self._defaultName: typing.Optional[str] = None
+        self.resultsName: str = None  # type: ignore[assignment]
+        self.saveAsList = savelist
+        self.skipWhitespace = True
+        self.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        self.copyDefaultWhiteChars = True
+        # used when checking for left-recursion
+        self.mayReturnEmpty = False
+        self.keepTabs = False
+        self.ignoreExprs: List["ParserElement"] = list()
+        self.debug = False
+        self.streamlined = False
+        # optimize exception handling for subclasses that don't advance parse index
+        self.mayIndexError = True
+        self.errmsg = ""
+        # mark results names as modal (report only last) or cumulative (list all)
+        self.modalResults = True
+        # custom debug actions
+        self.debugActions = self.DebugActions(None, None, None)
+        # avoid redundant calls to preParse
+        self.callPreparse = True
+        self.callDuringTry = False
+        self.suppress_warnings_: List[Diagnostics] = []
+
+    def suppress_warning(self, warning_type: Diagnostics) -> "ParserElement":
+        """
+        Suppress warnings emitted for a particular diagnostic on this expression.
+
+        Example::
+
+            base = pp.Forward()
+            base.suppress_warning(Diagnostics.warn_on_parse_using_empty_Forward)
+
+            # statement would normally raise a warning, but is now suppressed
+            print(base.parse_string("x"))
+
+        """
+        self.suppress_warnings_.append(warning_type)
+        return self
+
+    def visit_all(self):
+        """General-purpose method to yield all expressions and sub-expressions
+        in a grammar. Typically just for internal use.
+        """
+        to_visit = deque([self])
+        seen = set()
+        while to_visit:
+            cur = to_visit.popleft()
+
+            # guard against looping forever through recursive grammars
+            if cur in seen:
+                continue
+            seen.add(cur)
+
+            to_visit.extend(cur.recurse())
+            yield cur
+
+    def copy(self) -> "ParserElement":
+        """
+        Make a copy of this :class:`ParserElement`.  Useful for defining
+        different parse actions for the same parsing pattern, using copies of
+        the original parse element.
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            integerK = integer.copy().add_parse_action(lambda toks: toks[0] * 1024) + Suppress("K")
+            integerM = integer.copy().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+
+            print((integerK | integerM | integer)[1, ...].parse_string("5K 100 640K 256M"))
+
+        prints::
+
+            [5120, 100, 655360, 268435456]
+
+        Equivalent form of ``expr.copy()`` is just ``expr()``::
+
+            integerM = integer().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+        """
+        cpy = copy.copy(self)
+        cpy.parseAction = self.parseAction[:]
+        cpy.ignoreExprs = self.ignoreExprs[:]
+        if self.copyDefaultWhiteChars:
+            cpy.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        return cpy
+
+    def set_results_name(
+        self, name: str, list_all_matches: bool = False, *, listAllMatches: bool = False
+    ) -> "ParserElement":
+        """
+        Define name for referencing matching tokens as a nested attribute
+        of the returned parse results.
+
+        Normally, results names are assigned as you would assign keys in a dict:
+        any existing value is overwritten by later values. If it is necessary to
+        keep all values captured for a particular results name, call ``set_results_name``
+        with ``list_all_matches`` = True.
+
+        NOTE: ``set_results_name`` returns a *copy* of the original :class:`ParserElement` object;
+        this is so that the client can define a basic element, such as an
+        integer, and reference it in multiple places with different names.
+
+        You can also set results names using the abbreviated syntax,
+        ``expr("name")`` in place of ``expr.set_results_name("name")``
+        - see :class:`__call__`. If ``list_all_matches`` is required, use
+        ``expr("name*")``.
+
+        Example::
+
+            date_str = (integer.set_results_name("year") + '/'
+                        + integer.set_results_name("month") + '/'
+                        + integer.set_results_name("day"))
+
+            # equivalent form:
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+        """
+        listAllMatches = listAllMatches or list_all_matches
+        return self._setResultsName(name, listAllMatches)
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if name is None:
+            return self
+        newself = self.copy()
+        if name.endswith("*"):
+            name = name[:-1]
+            listAllMatches = True
+        newself.resultsName = name
+        newself.modalResults = not listAllMatches
+        return newself
+
+    def set_break(self, break_flag: bool = True) -> "ParserElement":
+        """
+        Method to invoke the Python pdb debugger when this element is
+        about to be parsed. Set ``break_flag`` to ``True`` to enable, ``False`` to
+        disable.
+        """
+        if break_flag:
+            _parseMethod = self._parse
+
+            def breaker(instring, loc, doActions=True, callPreParse=True):
+                import pdb
+
+                # this call to pdb.set_trace() is intentional, not a checkin error
+                pdb.set_trace()
+                return _parseMethod(instring, loc, doActions, callPreParse)
+
+            breaker._originalParseMethod = _parseMethod  # type: ignore [attr-defined]
+            self._parse = breaker  # type: ignore [assignment]
+        else:
+            if hasattr(self._parse, "_originalParseMethod"):
+                self._parse = self._parse._originalParseMethod  # type: ignore [attr-defined, assignment]
+        return self
+
+    def set_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Define one or more actions to perform when successfully matching parse element definition.
+
+        Parse actions can be called to perform data conversions, do extra validation,
+        update external data structures, or enhance or replace the parsed tokens.
+        Each parse action ``fn`` is a callable method with 0-3 arguments, called as
+        ``fn(s, loc, toks)`` , ``fn(loc, toks)`` , ``fn(toks)`` , or just ``fn()`` , where:
+
+        - ``s``    = the original string being parsed (see note below)
+        - ``loc``  = the location of the matching substring
+        - ``toks`` = a list of the matched tokens, packaged as a :class:`ParseResults` object
+
+        The parsed tokens are passed to the parse action as ParseResults. They can be
+        modified in place using list-style append, extend, and pop operations to update
+        the parsed list elements; and with dictionary-style item set and del operations
+        to add, update, or remove any named results. If the tokens are modified in place,
+        it is not necessary to return them with a return statement.
+
+        Parse actions can also completely replace the given tokens, with another ``ParseResults``
+        object, or with some entirely different object (common for parse actions that perform data
+        conversions). A convenient way to build a new parse result is to define the values
+        using a dict, and then create the return value using :class:`ParseResults.from_dict`.
+
+        If None is passed as the ``fn`` parse action, all previously added parse actions for this
+        expression are cleared.
+
+        Optional keyword arguments:
+
+        - ``call_during_try`` = (default= ``False``) indicate if parse action should be run during
+          lookaheads and alternate testing. For parse actions that have side effects, it is
+          important to only call the parse action once it is determined that it is being
+          called as part of a successful parse. For parse actions that perform additional
+          validation, then call_during_try should be passed as True, so that the validation
+          code is included in the preliminary "try" parses.
+
+        Note: the default parsing behavior is to expand tabs in the input string
+        before starting the parsing process.  See :class:`parse_string` for more
+        information on parsing strings containing ``<TAB>`` s, and suggested
+        methods to maintain a consistent view of the parsed string, the parse
+        location, and line and column positions within the parsed string.
+
+        Example::
+
+            # parse dates in the form YYYY/MM/DD
+
+            # use parse action to convert toks from str to int at parse time
+            def convert_to_int(toks):
+                return int(toks[0])
+
+            # use a parse action to verify that the date is a valid date
+            def is_valid_date(instring, loc, toks):
+                from datetime import date
+                year, month, day = toks[::2]
+                try:
+                    date(year, month, day)
+                except ValueError:
+                    raise ParseException(instring, loc, "invalid date given")
+
+            integer = Word(nums)
+            date_str = integer + '/' + integer + '/' + integer
+
+            # add parse actions
+            integer.set_parse_action(convert_to_int)
+            date_str.set_parse_action(is_valid_date)
+
+            # note that integer fields are now ints, not strings
+            date_str.run_tests('''
+                # successful parse - note that integer fields were converted to ints
+                1999/12/31
+
+                # fail - invalid date
+                1999/13/31
+                ''')
+        """
+        if list(fns) == [None]:
+            self.parseAction = []
+        else:
+            if not all(callable(fn) for fn in fns):
+                raise TypeError("parse actions must be callable")
+            self.parseAction = [_trim_arity(fn) for fn in fns]
+            self.callDuringTry = kwargs.get(
+                "call_during_try", kwargs.get("callDuringTry", False)
+            )
+        return self
+
+    def add_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Add one or more parse actions to expression's list of parse actions. See :class:`set_parse_action`.
+
+        See examples in :class:`copy`.
+        """
+        self.parseAction += [_trim_arity(fn) for fn in fns]
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def add_condition(self, *fns: ParseCondition, **kwargs) -> "ParserElement":
+        """Add a boolean predicate function to expression's list of parse actions. See
+        :class:`set_parse_action` for function call signatures. Unlike ``set_parse_action``,
+        functions passed to ``add_condition`` need to return boolean success/fail of the condition.
+
+        Optional keyword arguments:
+
+        - ``message`` = define a custom message to be used in the raised exception
+        - ``fatal`` = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise
+          ParseException
+        - ``call_during_try`` = boolean to indicate if this method should be called during internal tryParse calls,
+          default=False
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            year_int = integer.copy()
+            year_int.add_condition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later")
+            date_str = year_int + '/' + integer + '/' + integer
+
+            result = date_str.parse_string("1999/12/31")  # -> Exception: Only support years 2000 and later (at char 0),
+                                                                         (line:1, col:1)
+        """
+        for fn in fns:
+            self.parseAction.append(
+                condition_as_parse_action(
+                    fn,
+                    message=str(kwargs.get("message")),
+                    fatal=bool(kwargs.get("fatal", False)),
+                )
+            )
+
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def set_fail_action(self, fn: ParseFailAction) -> "ParserElement":
+        """
+        Define action to perform if parsing fails at this expression.
+        Fail acton fn is a callable function that takes the arguments
+        ``fn(s, loc, expr, err)`` where:
+
+        - ``s`` = string being parsed
+        - ``loc`` = location where expression match was attempted and failed
+        - ``expr`` = the parse expression that failed
+        - ``err`` = the exception thrown
+
+        The function returns no value.  It may throw :class:`ParseFatalException`
+        if it is desired to stop parsing immediately."""
+        self.failAction = fn
+        return self
+
+    def _skipIgnorables(self, instring: str, loc: int) -> int:
+        if not self.ignoreExprs:
+            return loc
+        exprsFound = True
+        ignore_expr_fns = [e._parse for e in self.ignoreExprs]
+        while exprsFound:
+            exprsFound = False
+            for ignore_fn in ignore_expr_fns:
+                try:
+                    while 1:
+                        loc, dummy = ignore_fn(instring, loc)
+                        exprsFound = True
+                except ParseException:
+                    pass
+        return loc
+
+    def preParse(self, instring: str, loc: int) -> int:
+        if self.ignoreExprs:
+            loc = self._skipIgnorables(instring, loc)
+
+        if self.skipWhitespace:
+            instrlen = len(instring)
+            white_chars = self.whiteChars
+            while loc < instrlen and instring[loc] in white_chars:
+                loc += 1
+
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        return loc, []
+
+    def postParse(self, instring, loc, tokenlist):
+        return tokenlist
+
+    # @profile
+    def _parseNoCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        TRY, MATCH, FAIL = 0, 1, 2
+        debugging = self.debug  # and doActions)
+        len_instring = len(instring)
+
+        if debugging or self.failAction:
+            # print("Match {} at loc {}({}, {})".format(self, loc, lineno(loc, instring), col(loc, instring)))
+            try:
+                if callPreParse and self.callPreparse:
+                    pre_loc = self.preParse(instring, loc)
+                else:
+                    pre_loc = loc
+                tokens_start = pre_loc
+                if self.debugActions.debug_try:
+                    self.debugActions.debug_try(instring, tokens_start, self, False)
+                if self.mayIndexError or pre_loc >= len_instring:
+                    try:
+                        loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                    except IndexError:
+                        raise ParseException(instring, len_instring, self.errmsg, self)
+                else:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+            except Exception as err:
+                # print("Exception raised:", err)
+                if self.debugActions.debug_fail:
+                    self.debugActions.debug_fail(
+                        instring, tokens_start, self, err, False
+                    )
+                if self.failAction:
+                    self.failAction(instring, tokens_start, self, err)
+                raise
+        else:
+            if callPreParse and self.callPreparse:
+                pre_loc = self.preParse(instring, loc)
+            else:
+                pre_loc = loc
+            tokens_start = pre_loc
+            if self.mayIndexError or pre_loc >= len_instring:
+                try:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                except IndexError:
+                    raise ParseException(instring, len_instring, self.errmsg, self)
+            else:
+                loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+
+        tokens = self.postParse(instring, loc, tokens)
+
+        ret_tokens = ParseResults(
+            tokens, self.resultsName, asList=self.saveAsList, modal=self.modalResults
+        )
+        if self.parseAction and (doActions or self.callDuringTry):
+            if debugging:
+                try:
+                    for fn in self.parseAction:
+                        try:
+                            tokens = fn(instring, tokens_start, ret_tokens)  # type: ignore [call-arg, arg-type]
+                        except IndexError as parse_action_exc:
+                            exc = ParseException("exception raised in parse action")
+                            raise exc from parse_action_exc
+
+                        if tokens is not None and tokens is not ret_tokens:
+                            ret_tokens = ParseResults(
+                                tokens,
+                                self.resultsName,
+                                asList=self.saveAsList
+                                and isinstance(tokens, (ParseResults, list)),
+                                modal=self.modalResults,
+                            )
+                except Exception as err:
+                    # print "Exception raised in user parse action:", err
+                    if self.debugActions.debug_fail:
+                        self.debugActions.debug_fail(
+                            instring, tokens_start, self, err, False
+                        )
+                    raise
+            else:
+                for fn in self.parseAction:
+                    try:
+                        tokens = fn(instring, tokens_start, ret_tokens)  # type: ignore [call-arg, arg-type]
+                    except IndexError as parse_action_exc:
+                        exc = ParseException("exception raised in parse action")
+                        raise exc from parse_action_exc
+
+                    if tokens is not None and tokens is not ret_tokens:
+                        ret_tokens = ParseResults(
+                            tokens,
+                            self.resultsName,
+                            asList=self.saveAsList
+                            and isinstance(tokens, (ParseResults, list)),
+                            modal=self.modalResults,
+                        )
+        if debugging:
+            # print("Matched", self, "->", ret_tokens.as_list())
+            if self.debugActions.debug_match:
+                self.debugActions.debug_match(
+                    instring, tokens_start, loc, self, ret_tokens, False
+                )
+
+        return loc, ret_tokens
+
+    def try_parse(
+        self,
+        instring: str,
+        loc: int,
+        *,
+        raise_fatal: bool = False,
+        do_actions: bool = False,
+    ) -> int:
+        try:
+            return self._parse(instring, loc, doActions=do_actions)[0]
+        except ParseFatalException:
+            if raise_fatal:
+                raise
+            raise ParseException(instring, loc, self.errmsg, self)
+
+    def can_parse_next(self, instring: str, loc: int, do_actions: bool = False) -> bool:
+        try:
+            self.try_parse(instring, loc, do_actions=do_actions)
+        except (ParseException, IndexError):
+            return False
+        else:
+            return True
+
+    # cache for left-recursion in Forward references
+    recursion_lock = RLock()
+    recursion_memos: typing.Dict[
+        Tuple[int, "Forward", bool], Tuple[int, Union[ParseResults, Exception]]
+    ] = {}
+
+    class _CacheType(dict):
+        """
+        class to help type checking
+        """
+
+        not_in_cache: bool
+
+        def get(self, *args):
+            ...
+
+        def set(self, *args):
+            ...
+
+    # argument cache for optimizing repeated calls when backtracking through recursive expressions
+    packrat_cache = (
+        _CacheType()
+    )  # set later by enable_packrat(); this is here so that reset_cache() doesn't fail
+    packrat_cache_lock = RLock()
+    packrat_cache_stats = [0, 0]
+
+    # this method gets repeatedly called during backtracking with the same arguments -
+    # we can cache these arguments and save ourselves the trouble of re-parsing the contained expression
+    def _parseCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        HIT, MISS = 0, 1
+        TRY, MATCH, FAIL = 0, 1, 2
+        lookup = (self, instring, loc, callPreParse, doActions)
+        with ParserElement.packrat_cache_lock:
+            cache = ParserElement.packrat_cache
+            value = cache.get(lookup)
+            if value is cache.not_in_cache:
+                ParserElement.packrat_cache_stats[MISS] += 1
+                try:
+                    value = self._parseNoCache(instring, loc, doActions, callPreParse)
+                except ParseBaseException as pe:
+                    # cache a copy of the exception, without the traceback
+                    cache.set(lookup, pe.__class__(*pe.args))
+                    raise
+                else:
+                    cache.set(lookup, (value[0], value[1].copy(), loc))
+                    return value
+            else:
+                ParserElement.packrat_cache_stats[HIT] += 1
+                if self.debug and self.debugActions.debug_try:
+                    try:
+                        self.debugActions.debug_try(instring, loc, self, cache_hit=True)  # type: ignore [call-arg]
+                    except TypeError:
+                        pass
+                if isinstance(value, Exception):
+                    if self.debug and self.debugActions.debug_fail:
+                        try:
+                            self.debugActions.debug_fail(
+                                instring, loc, self, value, cache_hit=True  # type: ignore [call-arg]
+                            )
+                        except TypeError:
+                            pass
+                    raise value
+
+                value = cast(Tuple[int, ParseResults, int], value)
+                loc_, result, endloc = value[0], value[1].copy(), value[2]
+                if self.debug and self.debugActions.debug_match:
+                    try:
+                        self.debugActions.debug_match(
+                            instring, loc_, endloc, self, result, cache_hit=True  # type: ignore [call-arg]
+                        )
+                    except TypeError:
+                        pass
+
+                return loc_, result
+
+    _parse = _parseNoCache
+
+    @staticmethod
+    def reset_cache() -> None:
+        ParserElement.packrat_cache.clear()
+        ParserElement.packrat_cache_stats[:] = [0] * len(
+            ParserElement.packrat_cache_stats
+        )
+        ParserElement.recursion_memos.clear()
+
+    _packratEnabled = False
+    _left_recursion_enabled = False
+
+    @staticmethod
+    def disable_memoization() -> None:
+        """
+        Disables active Packrat or Left Recursion parsing and their memoization
+
+        This method also works if neither Packrat nor Left Recursion are enabled.
+        This makes it safe to call before activating Packrat nor Left Recursion
+        to clear any previous settings.
+        """
+        ParserElement.reset_cache()
+        ParserElement._left_recursion_enabled = False
+        ParserElement._packratEnabled = False
+        ParserElement._parse = ParserElement._parseNoCache
+
+    @staticmethod
+    def enable_left_recursion(
+        cache_size_limit: typing.Optional[int] = None, *, force=False
+    ) -> None:
+        """
+        Enables "bounded recursion" parsing, which allows for both direct and indirect
+        left-recursion. During parsing, left-recursive :class:`Forward` elements are
+        repeatedly matched with a fixed recursion depth that is gradually increased
+        until finding the longest match.
+
+        Example::
+
+            from pip._vendor import pyparsing as pp
+            pp.ParserElement.enable_left_recursion()
+
+            E = pp.Forward("E")
+            num = pp.Word(pp.nums)
+            # match `num`, or `num '+' num`, or `num '+' num '+' num`, ...
+            E <<= E + '+' - num | num
+
+            print(E.parse_string("1+2+3"))
+
+        Recursion search naturally memoizes matches of ``Forward`` elements and may
+        thus skip reevaluation of parse actions during backtracking. This may break
+        programs with parse actions which rely on strict ordering of side-effects.
+
+        Parameters:
+
+        - ``cache_size_limit`` - (default=``None``) - memoize at most this many
+          ``Forward`` elements during matching; if ``None`` (the default),
+          memoize all ``Forward`` elements.
+
+        Bounded Recursion parsing works similar but not identical to Packrat parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._packratEnabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if cache_size_limit is None:
+            ParserElement.recursion_memos = _UnboundedMemo()  # type: ignore[assignment]
+        elif cache_size_limit > 0:
+            ParserElement.recursion_memos = _LRUMemo(capacity=cache_size_limit)  # type: ignore[assignment]
+        else:
+            raise NotImplementedError("Memo size of %s" % cache_size_limit)
+        ParserElement._left_recursion_enabled = True
+
+    @staticmethod
+    def enable_packrat(cache_size_limit: int = 128, *, force: bool = False) -> None:
+        """
+        Enables "packrat" parsing, which adds memoizing to the parsing logic.
+        Repeated parse attempts at the same string location (which happens
+        often in many complex grammars) can immediately return a cached value,
+        instead of re-executing parsing/validating code.  Memoizing is done of
+        both valid results and parsing exceptions.
+
+        Parameters:
+
+        - ``cache_size_limit`` - (default= ``128``) - if an integer value is provided
+          will limit the size of the packrat cache; if None is passed, then
+          the cache size will be unbounded; if 0 is passed, the cache will
+          be effectively disabled.
+
+        This speedup may break existing programs that use parse actions that
+        have side-effects.  For this reason, packrat parsing is disabled when
+        you first import pyparsing.  To activate the packrat feature, your
+        program must call the class method :class:`ParserElement.enable_packrat`.
+        For best results, call ``enable_packrat()`` immediately after
+        importing pyparsing.
+
+        Example::
+
+            from pip._vendor import pyparsing
+            pyparsing.ParserElement.enable_packrat()
+
+        Packrat parsing works similar but not identical to Bounded Recursion parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._left_recursion_enabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if not ParserElement._packratEnabled:
+            ParserElement._packratEnabled = True
+            if cache_size_limit is None:
+                ParserElement.packrat_cache = _UnboundedCache()
+            else:
+                ParserElement.packrat_cache = _FifoCache(cache_size_limit)  # type: ignore[assignment]
+            ParserElement._parse = ParserElement._parseCache
+
+    def parse_string(
+        self, instring: str, parse_all: bool = False, *, parseAll: bool = False
+    ) -> ParseResults:
+        """
+        Parse a string with respect to the parser definition. This function is intended as the primary interface to the
+        client code.
+
+        :param instring: The input string to be parsed.
+        :param parse_all: If set, the entire input string must match the grammar.
+        :param parseAll: retained for pre-PEP8 compatibility, will be removed in a future release.
+        :raises ParseException: Raised if ``parse_all`` is set and the input string does not match the whole grammar.
+        :returns: the parsed data as a :class:`ParseResults` object, which may be accessed as a `list`, a `dict`, or
+          an object with attributes if the given parser includes results names.
+
+        If the input string is required to match the entire grammar, ``parse_all`` flag must be set to ``True``. This
+        is also equivalent to ending the grammar with :class:`StringEnd`\\ ().
+
+        To report proper column numbers, ``parse_string`` operates on a copy of the input string where all tabs are
+        converted to spaces (8 spaces per tab, as per the default in ``string.expandtabs``). If the input string
+        contains tabs and the grammar uses parse actions that use the ``loc`` argument to index into the string
+        being parsed, one can ensure a consistent view of the input string by doing one of the following:
+
+        - calling ``parse_with_tabs`` on your grammar before calling ``parse_string`` (see :class:`parse_with_tabs`),
+        - define your parse action using the full ``(s,loc,toks)`` signature, and reference the input string using the
+          parse action's ``s`` argument, or
+        - explicitly expand the tabs in your input string before calling ``parse_string``.
+
+        Examples:
+
+        By default, partial matches are OK.
+
+        >>> res = Word('a').parse_string('aaaaabaaa')
+        >>> print(res)
+        ['aaaaa']
+
+        The parsing behavior varies by the inheriting class of this abstract class. Please refer to the children
+        directly to see more examples.
+
+        It raises an exception if parse_all flag is set and instring does not match the whole grammar.
+
+        >>> res = Word('a').parse_string('aaaaabaaa', parse_all=True)
+        Traceback (most recent call last):
+        ...
+        pyparsing.ParseException: Expected end of text, found 'b'  (at char 5), (line:1, col:6)
+        """
+        parseAll = parse_all or parseAll
+
+        ParserElement.reset_cache()
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+        if not self.keepTabs:
+            instring = instring.expandtabs()
+        try:
+            loc, tokens = self._parse(instring, 0)
+            if parseAll:
+                loc = self.preParse(instring, loc)
+                se = Empty() + StringEnd()
+                se._parse(instring, loc)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clearing out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+        else:
+            return tokens
+
+    def scan_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        overlap: bool = False,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> Generator[Tuple[ParseResults, int, int], None, None]:
+        """
+        Scan the input string for expression matches.  Each match will return the
+        matching tokens, start location, and end location.  May be called with optional
+        ``max_matches`` argument, to clip scanning after 'n' matches are found.  If
+        ``overlap`` is specified, then overlapping matches will be reported.
+
+        Note that the start and end locations are reported relative to the string
+        being parsed.  See :class:`parse_string` for more information on parsing
+        strings with embedded tabs.
+
+        Example::
+
+            source = "sldjf123lsdjjkf345sldkjf879lkjsfd987"
+            print(source)
+            for tokens, start, end in Word(alphas).scan_string(source):
+                print(' '*start + '^'*(end-start))
+                print(' '*start + tokens[0])
+
+        prints::
+
+            sldjf123lsdjjkf345sldkjf879lkjsfd987
+            ^^^^^
+            sldjf
+                    ^^^^^^^
+                    lsdjjkf
+                              ^^^^^^
+                              sldkjf
+                                       ^^^^^^
+                                       lkjsfd
+        """
+        maxMatches = min(maxMatches, max_matches)
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+
+        if not self.keepTabs:
+            instring = str(instring).expandtabs()
+        instrlen = len(instring)
+        loc = 0
+        preparseFn = self.preParse
+        parseFn = self._parse
+        ParserElement.resetCache()
+        matches = 0
+        try:
+            while loc <= instrlen and matches < maxMatches:
+                try:
+                    preloc: int = preparseFn(instring, loc)
+                    nextLoc: int
+                    tokens: ParseResults
+                    nextLoc, tokens = parseFn(instring, preloc, callPreParse=False)
+                except ParseException:
+                    loc = preloc + 1
+                else:
+                    if nextLoc > loc:
+                        matches += 1
+                        if debug:
+                            print(
+                                {
+                                    "tokens": tokens.asList(),
+                                    "start": preloc,
+                                    "end": nextLoc,
+                                }
+                            )
+                        yield tokens, preloc, nextLoc
+                        if overlap:
+                            nextloc = preparseFn(instring, loc)
+                            if nextloc > loc:
+                                loc = nextLoc
+                            else:
+                                loc += 1
+                        else:
+                            loc = nextLoc
+                    else:
+                        loc = preloc + 1
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def transform_string(self, instring: str, *, debug: bool = False) -> str:
+        """
+        Extension to :class:`scan_string`, to modify matching text with modified tokens that may
+        be returned from a parse action.  To use ``transform_string``, define a grammar and
+        attach a parse action to it that modifies the returned token list.
+        Invoking ``transform_string()`` on a target string will then scan for matches,
+        and replace the matched text patterns according to the logic in the parse
+        action.  ``transform_string()`` returns the resulting transformed string.
+
+        Example::
+
+            wd = Word(alphas)
+            wd.set_parse_action(lambda toks: toks[0].title())
+
+            print(wd.transform_string("now is the winter of our discontent made glorious summer by this sun of york."))
+
+        prints::
+
+            Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York.
+        """
+        out: List[str] = []
+        lastE = 0
+        # force preservation of <TAB>s, to minimize unwanted transformation of string, and to
+        # keep string locs straight between transform_string and scan_string
+        self.keepTabs = True
+        try:
+            for t, s, e in self.scan_string(instring, debug=debug):
+                out.append(instring[lastE:s])
+                if t:
+                    if isinstance(t, ParseResults):
+                        out += t.as_list()
+                    elif isinstance(t, Iterable) and not isinstance(t, str_type):
+                        out.extend(t)
+                    else:
+                        out.append(t)
+                lastE = e
+            out.append(instring[lastE:])
+            out = [o for o in out if o]
+            return "".join([str(s) for s in _flatten(out)])
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def search_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> ParseResults:
+        """
+        Another extension to :class:`scan_string`, simplifying the access to the tokens found
+        to match the given parse expression.  May be called with optional
+        ``max_matches`` argument, to clip searching after 'n' matches are found.
+
+        Example::
+
+            # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters
+            cap_word = Word(alphas.upper(), alphas.lower())
+
+            print(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity"))
+
+            # the sum() builtin can be used to merge results into a single ParseResults object
+            print(sum(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity")))
+
+        prints::
+
+            [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']]
+            ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity']
+        """
+        maxMatches = min(maxMatches, max_matches)
+        try:
+            return ParseResults(
+                [t for t, s, e in self.scan_string(instring, maxMatches, debug=debug)]
+            )
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def split(
+        self,
+        instring: str,
+        maxsplit: int = _MAX_INT,
+        include_separators: bool = False,
+        *,
+        includeSeparators=False,
+    ) -> Generator[str, None, None]:
+        """
+        Generator method to split a string using the given expression as a separator.
+        May be called with optional ``maxsplit`` argument, to limit the number of splits;
+        and the optional ``include_separators`` argument (default= ``False``), if the separating
+        matching text should be included in the split results.
+
+        Example::
+
+            punc = one_of(list(".,;:/-!?"))
+            print(list(punc.split("This, this?, this sentence, is badly punctuated!")))
+
+        prints::
+
+            ['This', ' this', '', ' this sentence', ' is badly punctuated', '']
+        """
+        includeSeparators = includeSeparators or include_separators
+        last = 0
+        for t, s, e in self.scan_string(instring, max_matches=maxsplit):
+            yield instring[last:s]
+            if includeSeparators:
+                yield t[0]
+            last = e
+        yield instring[last:]
+
+    def __add__(self, other) -> "ParserElement":
+        """
+        Implementation of ``+`` operator - returns :class:`And`. Adding strings to a :class:`ParserElement`
+        converts them to :class:`Literal`\\ s by default.
+
+        Example::
+
+            greet = Word(alphas) + "," + Word(alphas) + "!"
+            hello = "Hello, World!"
+            print(hello, "->", greet.parse_string(hello))
+
+        prints::
+
+            Hello, World! -> ['Hello', ',', 'World', '!']
+
+        ``...`` may be used as a parse expression as a short form of :class:`SkipTo`::
+
+            Literal('start') + ... + Literal('end')
+
+        is equivalent to::
+
+            Literal('start') + SkipTo('end')("_skipped*") + Literal('end')
+
+        Note that the skipped text is returned with '_skipped' as a results name,
+        and to support having multiple skips in the same parser, the value returned is
+        a list of all skipped text.
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self)
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return And([self, other])
+
+    def __radd__(self, other) -> "ParserElement":
+        """
+        Implementation of ``+`` operator when left operand is not a :class:`ParserElement`
+        """
+        if other is Ellipsis:
+            return SkipTo(self)("_skipped*") + self
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return other + self
+
+    def __sub__(self, other) -> "ParserElement":
+        """
+        Implementation of ``-`` operator, returns :class:`And` with error stop
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return self + And._ErrorStop() + other
+
+    def __rsub__(self, other) -> "ParserElement":
+        """
+        Implementation of ``-`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return other - self
+
+    def __mul__(self, other) -> "ParserElement":
+        """
+        Implementation of ``*`` operator, allows use of ``expr * 3`` in place of
+        ``expr + expr + expr``.  Expressions may also be multiplied by a 2-integer
+        tuple, similar to ``{min, max}`` multipliers in regular expressions.  Tuples
+        may also include ``None`` as in:
+
+        - ``expr*(n, None)`` or ``expr*(n, )`` is equivalent
+          to ``expr*n + ZeroOrMore(expr)``
+          (read as "at least n instances of ``expr``")
+        - ``expr*(None, n)`` is equivalent to ``expr*(0, n)``
+          (read as "0 to n instances of ``expr``")
+        - ``expr*(None, None)`` is equivalent to ``ZeroOrMore(expr)``
+        - ``expr*(1, None)`` is equivalent to ``OneOrMore(expr)``
+
+        Note that ``expr*(None, n)`` does not raise an exception if
+        more than n exprs exist in the input stream; that is,
+        ``expr*(None, n)`` does not enforce a maximum number of expr
+        occurrences.  If this behavior is desired, then write
+        ``expr*(None, n) + ~expr``
+        """
+        if other is Ellipsis:
+            other = (0, None)
+        elif isinstance(other, tuple) and other[:1] == (Ellipsis,):
+            other = ((0,) + other[1:] + (None,))[:2]
+
+        if isinstance(other, int):
+            minElements, optElements = other, 0
+        elif isinstance(other, tuple):
+            other = tuple(o if o is not Ellipsis else None for o in other)
+            other = (other + (None, None))[:2]
+            if other[0] is None:
+                other = (0, other[1])
+            if isinstance(other[0], int) and other[1] is None:
+                if other[0] == 0:
+                    return ZeroOrMore(self)
+                if other[0] == 1:
+                    return OneOrMore(self)
+                else:
+                    return self * other[0] + ZeroOrMore(self)
+            elif isinstance(other[0], int) and isinstance(other[1], int):
+                minElements, optElements = other
+                optElements -= minElements
+            else:
+                return NotImplemented
+        else:
+            return NotImplemented
+
+        if minElements < 0:
+            raise ValueError("cannot multiply ParserElement by negative value")
+        if optElements < 0:
+            raise ValueError(
+                "second tuple value must be greater or equal to first tuple value"
+            )
+        if minElements == optElements == 0:
+            return And([])
+
+        if optElements:
+
+            def makeOptionalList(n):
+                if n > 1:
+                    return Opt(self + makeOptionalList(n - 1))
+                else:
+                    return Opt(self)
+
+            if minElements:
+                if minElements == 1:
+                    ret = self + makeOptionalList(optElements)
+                else:
+                    ret = And([self] * minElements) + makeOptionalList(optElements)
+            else:
+                ret = makeOptionalList(optElements)
+        else:
+            if minElements == 1:
+                ret = self
+            else:
+                ret = And([self] * minElements)
+        return ret
+
+    def __rmul__(self, other) -> "ParserElement":
+        return self.__mul__(other)
+
+    def __or__(self, other) -> "ParserElement":
+        """
+        Implementation of ``|`` operator - returns :class:`MatchFirst`
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self, must_skip=True)
+
+        if isinstance(other, str_type):
+            # `expr | ""` is equivalent to `Opt(expr)`
+            if other == "":
+                return Opt(self)
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return MatchFirst([self, other])
+
+    def __ror__(self, other) -> "ParserElement":
+        """
+        Implementation of ``|`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return other | self
+
+    def __xor__(self, other) -> "ParserElement":
+        """
+        Implementation of ``^`` operator - returns :class:`Or`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return Or([self, other])
+
+    def __rxor__(self, other) -> "ParserElement":
+        """
+        Implementation of ``^`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return other ^ self
+
+    def __and__(self, other) -> "ParserElement":
+        """
+        Implementation of ``&`` operator - returns :class:`Each`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return Each([self, other])
+
+    def __rand__(self, other) -> "ParserElement":
+        """
+        Implementation of ``&`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return other & self
+
+    def __invert__(self) -> "ParserElement":
+        """
+        Implementation of ``~`` operator - returns :class:`NotAny`
+        """
+        return NotAny(self)
+
+    # disable __iter__ to override legacy use of sequential access to __getitem__ to
+    # iterate over a sequence
+    __iter__ = None
+
+    def __getitem__(self, key):
+        """
+        use ``[]`` indexing notation as a short form for expression repetition:
+
+        - ``expr[n]`` is equivalent to ``expr*n``
+        - ``expr[m, n]`` is equivalent to ``expr*(m, n)``
+        - ``expr[n, ...]`` or ``expr[n,]`` is equivalent
+             to ``expr*n + ZeroOrMore(expr)``
+             (read as "at least n instances of ``expr``")
+        - ``expr[..., n]`` is equivalent to ``expr*(0, n)``
+             (read as "0 to n instances of ``expr``")
+        - ``expr[...]`` and ``expr[0, ...]`` are equivalent to ``ZeroOrMore(expr)``
+        - ``expr[1, ...]`` is equivalent to ``OneOrMore(expr)``
+
+        ``None`` may be used in place of ``...``.
+
+        Note that ``expr[..., n]`` and ``expr[m, n]`` do not raise an exception
+        if more than ``n`` ``expr``\\ s exist in the input stream.  If this behavior is
+        desired, then write ``expr[..., n] + ~expr``.
+
+        For repetition with a stop_on expression, use slice notation:
+
+        - ``expr[...: end_expr]`` and ``expr[0, ...: end_expr]`` are equivalent to ``ZeroOrMore(expr, stop_on=end_expr)``
+        - ``expr[1, ...: end_expr]`` is equivalent to ``OneOrMore(expr, stop_on=end_expr)``
+
+        """
+
+        stop_on_defined = False
+        stop_on = NoMatch()
+        if isinstance(key, slice):
+            key, stop_on = key.start, key.stop
+            if key is None:
+                key = ...
+            stop_on_defined = True
+        elif isinstance(key, tuple) and isinstance(key[-1], slice):
+            key, stop_on = (key[0], key[1].start), key[1].stop
+            stop_on_defined = True
+
+        # convert single arg keys to tuples
+        if isinstance(key, str_type):
+            key = (key,)
+        try:
+            iter(key)
+        except TypeError:
+            key = (key, key)
+
+        if len(key) > 2:
+            raise TypeError(
+                f"only 1 or 2 index arguments supported ({key[:5]}{f'... [{len(key)}]' if len(key) > 5 else ''})"
+            )
+
+        # clip to 2 elements
+        ret = self * tuple(key[:2])
+        ret = typing.cast(_MultipleMatch, ret)
+
+        if stop_on_defined:
+            ret.stopOn(stop_on)
+
+        return ret
+
+    def __call__(self, name: typing.Optional[str] = None) -> "ParserElement":
+        """
+        Shortcut for :class:`set_results_name`, with ``list_all_matches=False``.
+
+        If ``name`` is given with a trailing ``'*'`` character, then ``list_all_matches`` will be
+        passed as ``True``.
+
+        If ``name`` is omitted, same as calling :class:`copy`.
+
+        Example::
+
+            # these are equivalent
+            userdata = Word(alphas).set_results_name("name") + Word(nums + "-").set_results_name("socsecno")
+            userdata = Word(alphas)("name") + Word(nums + "-")("socsecno")
+        """
+        if name is not None:
+            return self._setResultsName(name)
+        else:
+            return self.copy()
+
+    def suppress(self) -> "ParserElement":
+        """
+        Suppresses the output of this :class:`ParserElement`; useful to keep punctuation from
+        cluttering up returned output.
+        """
+        return Suppress(self)
+
+    def ignore_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Enables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.
+
+        :param recursive: If ``True`` (the default), also enable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = True
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Disables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.  This is normally only used internally by
+        the pyparsing module, but may be needed in some whitespace-sensitive grammars.
+
+        :param recursive: If true (the default), also disable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = False
+        return self
+
+    def set_whitespace_chars(
+        self, chars: Union[Set[str], str], copy_defaults: bool = False
+    ) -> "ParserElement":
+        """
+        Overrides the default whitespace chars
+        """
+        self.skipWhitespace = True
+        self.whiteChars = set(chars)
+        self.copyDefaultWhiteChars = copy_defaults
+        return self
+
+    def parse_with_tabs(self) -> "ParserElement":
+        """
+        Overrides default behavior to expand ``<TAB>`` s to spaces before parsing the input string.
+        Must be called before ``parse_string`` when the input grammar contains elements that
+        match ``<TAB>`` characters.
+        """
+        self.keepTabs = True
+        return self
+
+    def ignore(self, other: "ParserElement") -> "ParserElement":
+        """
+        Define expression to be ignored (e.g., comments) while doing pattern
+        matching; may be called repeatedly, to define multiple comment or other
+        ignorable patterns.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj']
+
+            patt.ignore(c_style_comment)
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj', 'lskjd']
+        """
+        import typing
+
+        if isinstance(other, str_type):
+            other = Suppress(other)
+
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                self.ignoreExprs.append(other)
+        else:
+            self.ignoreExprs.append(Suppress(other.copy()))
+        return self
+
+    def set_debug_actions(
+        self,
+        start_action: DebugStartAction,
+        success_action: DebugSuccessAction,
+        exception_action: DebugExceptionAction,
+    ) -> "ParserElement":
+        """
+        Customize display of debugging messages while doing pattern matching:
+
+        - ``start_action`` - method to be called when an expression is about to be parsed;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, cache_hit: bool)``
+
+        - ``success_action`` - method to be called when an expression has successfully parsed;
+          should have the signature ``fn(input_string: str, start_location: int, end_location: int, expression: ParserELement, parsed_tokens: ParseResults, cache_hit: bool)``
+
+        - ``exception_action`` - method to be called when expression fails to parse;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, exception: Exception, cache_hit: bool)``
+        """
+        self.debugActions = self.DebugActions(
+            start_action or _default_start_debug_action,  # type: ignore[truthy-function]
+            success_action or _default_success_debug_action,  # type: ignore[truthy-function]
+            exception_action or _default_exception_debug_action,  # type: ignore[truthy-function]
+        )
+        self.debug = True
+        return self
+
+    def set_debug(self, flag: bool = True, recurse: bool = False) -> "ParserElement":
+        """
+        Enable display of debugging messages while doing pattern matching.
+        Set ``flag`` to ``True`` to enable, ``False`` to disable.
+        Set ``recurse`` to ``True`` to set the debug flag on this expression and all sub-expressions.
+
+        Example::
+
+            wd = Word(alphas).set_name("alphaword")
+            integer = Word(nums).set_name("numword")
+            term = wd | integer
+
+            # turn on debugging for wd
+            wd.set_debug()
+
+            term[1, ...].parse_string("abc 123 xyz 890")
+
+        prints::
+
+            Match alphaword at loc 0(1,1)
+            Matched alphaword -> ['abc']
+            Match alphaword at loc 3(1,4)
+            Exception raised:Expected alphaword (at char 4), (line:1, col:5)
+            Match alphaword at loc 7(1,8)
+            Matched alphaword -> ['xyz']
+            Match alphaword at loc 11(1,12)
+            Exception raised:Expected alphaword (at char 12), (line:1, col:13)
+            Match alphaword at loc 15(1,16)
+            Exception raised:Expected alphaword (at char 15), (line:1, col:16)
+
+        The output shown is that produced by the default debug actions - custom debug actions can be
+        specified using :class:`set_debug_actions`. Prior to attempting
+        to match the ``wd`` expression, the debugging message ``"Match <exprname> at loc <n>(<line>,<col>)"``
+        is shown. Then if the parse succeeds, a ``"Matched"`` message is shown, or an ``"Exception raised"``
+        message is shown. Also note the use of :class:`set_name` to assign a human-readable name to the expression,
+        which makes debugging and exception messages easier to understand - for instance, the default
+        name created for the :class:`Word` expression without calling ``set_name`` is ``"W:(A-Za-z)"``.
+        """
+        if recurse:
+            for expr in self.visit_all():
+                expr.set_debug(flag, recurse=False)
+            return self
+
+        if flag:
+            self.set_debug_actions(
+                _default_start_debug_action,
+                _default_success_debug_action,
+                _default_exception_debug_action,
+            )
+        else:
+            self.debug = False
+        return self
+
+    @property
+    def default_name(self) -> str:
+        if self._defaultName is None:
+            self._defaultName = self._generateDefaultName()
+        return self._defaultName
+
+    @abstractmethod
+    def _generateDefaultName(self) -> str:
+        """
+        Child classes must define this method, which defines how the ``default_name`` is set.
+        """
+
+    def set_name(self, name: str) -> "ParserElement":
+        """
+        Define name for this expression, makes debugging and exception messages clearer.
+
+        Example::
+
+            Word(nums).parse_string("ABC")  # -> Exception: Expected W:(0-9) (at char 0), (line:1, col:1)
+            Word(nums).set_name("integer").parse_string("ABC")  # -> Exception: Expected integer (at char 0), (line:1, col:1)
+        """
+        self.customName = name
+        self.errmsg = "Expected " + self.name
+        if __diag__.enable_debug_on_named_expressions:
+            self.set_debug()
+        return self
+
+    @property
+    def name(self) -> str:
+        # This will use a user-defined name if available, but otherwise defaults back to the auto-generated name
+        return self.customName if self.customName is not None else self.default_name
+
+    def __str__(self) -> str:
+        return self.name
+
+    def __repr__(self) -> str:
+        return str(self)
+
+    def streamline(self) -> "ParserElement":
+        self.streamlined = True
+        self._defaultName = None
+        return self
+
+    def recurse(self) -> List["ParserElement"]:
+        return []
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.recurse():
+            e._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        """
+        Check defined expressions for valid structure, check for infinite recursive definitions.
+        """
+        warnings.warn(
+            "ParserElement.validate() is deprecated, and should not be used to check for left recursion",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        self._checkRecursion([])
+
+    def parse_file(
+        self,
+        file_or_filename: Union[str, Path, TextIO],
+        encoding: str = "utf-8",
+        parse_all: bool = False,
+        *,
+        parseAll: bool = False,
+    ) -> ParseResults:
+        """
+        Execute the parse expression on the given file or filename.
+        If a filename is specified (instead of a file object),
+        the entire file is opened, read, and closed before parsing.
+        """
+        parseAll = parseAll or parse_all
+        try:
+            file_or_filename = typing.cast(TextIO, file_or_filename)
+            file_contents = file_or_filename.read()
+        except AttributeError:
+            file_or_filename = typing.cast(str, file_or_filename)
+            with open(file_or_filename, "r", encoding=encoding) as f:
+                file_contents = f.read()
+        try:
+            return self.parse_string(file_contents, parseAll)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def __eq__(self, other):
+        if self is other:
+            return True
+        elif isinstance(other, str_type):
+            return self.matches(other, parse_all=True)
+        elif isinstance(other, ParserElement):
+            return vars(self) == vars(other)
+        return False
+
+    def __hash__(self):
+        return id(self)
+
+    def matches(
+        self, test_string: str, parse_all: bool = True, *, parseAll: bool = True
+    ) -> bool:
+        """
+        Method for quick testing of a parser against a test string. Good for simple
+        inline microtests of sub expressions while building up larger parser.
+
+        Parameters:
+
+        - ``test_string`` - to test against this expression for a match
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+
+        Example::
+
+            expr = Word(nums)
+            assert expr.matches("100")
+        """
+        parseAll = parseAll and parse_all
+        try:
+            self.parse_string(str(test_string), parse_all=parseAll)
+            return True
+        except ParseBaseException:
+            return False
+
+    def run_tests(
+        self,
+        tests: Union[str, List[str]],
+        parse_all: bool = True,
+        comment: typing.Optional[Union["ParserElement", str]] = "#",
+        full_dump: bool = True,
+        print_results: bool = True,
+        failure_tests: bool = False,
+        post_parse: typing.Optional[Callable[[str, ParseResults], str]] = None,
+        file: typing.Optional[TextIO] = None,
+        with_line_numbers: bool = False,
+        *,
+        parseAll: bool = True,
+        fullDump: bool = True,
+        printResults: bool = True,
+        failureTests: bool = False,
+        postParse: typing.Optional[Callable[[str, ParseResults], str]] = None,
+    ) -> Tuple[bool, List[Tuple[str, Union[ParseResults, Exception]]]]:
+        """
+        Execute the parse expression on a series of test strings, showing each
+        test, the parsed results or where the parse failed. Quick and easy way to
+        run a parse expression against a list of sample strings.
+
+        Parameters:
+
+        - ``tests`` - a list of separate test strings, or a multiline string of test strings
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+        - ``comment`` - (default= ``'#'``) - expression for indicating embedded comments in the test
+          string; pass None to disable comment filtering
+        - ``full_dump`` - (default= ``True``) - dump results as list followed by results names in nested outline;
+          if False, only dump nested list
+        - ``print_results`` - (default= ``True``) prints test output to stdout
+        - ``failure_tests`` - (default= ``False``) indicates if these tests are expected to fail parsing
+        - ``post_parse`` - (default= ``None``) optional callback for successful parse results; called as
+          `fn(test_string, parse_results)` and returns a string to be added to the test output
+        - ``file`` - (default= ``None``) optional file-like object to which test output will be written;
+          if None, will default to ``sys.stdout``
+        - ``with_line_numbers`` - default= ``False``) show test strings with line and column numbers
+
+        Returns: a (success, results) tuple, where success indicates that all tests succeeded
+        (or failed if ``failure_tests`` is True), and the results contain a list of lines of each
+        test's output
+
+        Example::
+
+            number_expr = pyparsing_common.number.copy()
+
+            result = number_expr.run_tests('''
+                # unsigned integer
+                100
+                # negative integer
+                -100
+                # float with scientific notation
+                6.02e23
+                # integer with scientific notation
+                1e-12
+                ''')
+            print("Success" if result[0] else "Failed!")
+
+            result = number_expr.run_tests('''
+                # stray character
+                100Z
+                # missing leading digit before '.'
+                -.100
+                # too many '.'
+                3.14.159
+                ''', failure_tests=True)
+            print("Success" if result[0] else "Failed!")
+
+        prints::
+
+            # unsigned integer
+            100
+            [100]
+
+            # negative integer
+            -100
+            [-100]
+
+            # float with scientific notation
+            6.02e23
+            [6.02e+23]
+
+            # integer with scientific notation
+            1e-12
+            [1e-12]
+
+            Success
+
+            # stray character
+            100Z
+               ^
+            FAIL: Expected end of text (at char 3), (line:1, col:4)
+
+            # missing leading digit before '.'
+            -.100
+            ^
+            FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1)
+
+            # too many '.'
+            3.14.159
+                ^
+            FAIL: Expected end of text (at char 4), (line:1, col:5)
+
+            Success
+
+        Each test string must be on a single line. If you want to test a string that spans multiple
+        lines, create a test like this::
+
+            expr.run_tests(r"this is a test\\n of strings that spans \\n 3 lines")
+
+        (Note that this is a raw string literal, you must include the leading ``'r'``.)
+        """
+        from .testing import pyparsing_test
+
+        parseAll = parseAll and parse_all
+        fullDump = fullDump and full_dump
+        printResults = printResults and print_results
+        failureTests = failureTests or failure_tests
+        postParse = postParse or post_parse
+        if isinstance(tests, str_type):
+            tests = typing.cast(str, tests)
+            line_strip = type(tests).strip
+            tests = [line_strip(test_line) for test_line in tests.rstrip().splitlines()]
+        comment_specified = comment is not None
+        if comment_specified:
+            if isinstance(comment, str_type):
+                comment = typing.cast(str, comment)
+                comment = Literal(comment)
+        comment = typing.cast(ParserElement, comment)
+        if file is None:
+            file = sys.stdout
+        print_ = file.write
+
+        result: Union[ParseResults, Exception]
+        allResults: List[Tuple[str, Union[ParseResults, Exception]]] = []
+        comments: List[str] = []
+        success = True
+        NL = Literal(r"\n").add_parse_action(replace_with("\n")).ignore(quoted_string)
+        BOM = "\ufeff"
+        for t in tests:
+            if comment_specified and comment.matches(t, False) or comments and not t:
+                comments.append(
+                    pyparsing_test.with_line_numbers(t) if with_line_numbers else t
+                )
+                continue
+            if not t:
+                continue
+            out = [
+                "\n" + "\n".join(comments) if comments else "",
+                pyparsing_test.with_line_numbers(t) if with_line_numbers else t,
+            ]
+            comments = []
+            try:
+                # convert newline marks to actual newlines, and strip leading BOM if present
+                t = NL.transform_string(t.lstrip(BOM))
+                result = self.parse_string(t, parse_all=parseAll)
+            except ParseBaseException as pe:
+                fatal = "(FATAL)" if isinstance(pe, ParseFatalException) else ""
+                out.append(pe.explain())
+                out.append("FAIL: " + str(pe))
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(pe.__traceback__))
+                success = success and failureTests
+                result = pe
+            except Exception as exc:
+                out.append(f"FAIL-EXCEPTION: {type(exc).__name__}: {exc}")
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(exc.__traceback__))
+                success = success and failureTests
+                result = exc
+            else:
+                success = success and not failureTests
+                if postParse is not None:
+                    try:
+                        pp_value = postParse(t, result)
+                        if pp_value is not None:
+                            if isinstance(pp_value, ParseResults):
+                                out.append(pp_value.dump())
+                            else:
+                                out.append(str(pp_value))
+                        else:
+                            out.append(result.dump())
+                    except Exception as e:
+                        out.append(result.dump(full=fullDump))
+                        out.append(
+                            f"{postParse.__name__} failed: {type(e).__name__}: {e}"
+                        )
+                else:
+                    out.append(result.dump(full=fullDump))
+            out.append("")
+
+            if printResults:
+                print_("\n".join(out))
+
+            allResults.append((t, result))
+
+        return success, allResults
+
+    def create_diagram(
+        self,
+        output_html: Union[TextIO, Path, str],
+        vertical: int = 3,
+        show_results_names: bool = False,
+        show_groups: bool = False,
+        embed: bool = False,
+        **kwargs,
+    ) -> None:
+        """
+        Create a railroad diagram for the parser.
+
+        Parameters:
+
+        - ``output_html`` (str or file-like object) - output target for generated
+          diagram HTML
+        - ``vertical`` (int) - threshold for formatting multiple alternatives vertically
+          instead of horizontally (default=3)
+        - ``show_results_names`` - bool flag whether diagram should show annotations for
+          defined results names
+        - ``show_groups`` - bool flag whether groups should be highlighted with an unlabeled surrounding box
+        - ``embed`` - bool flag whether generated HTML should omit <HEAD>, <BODY>, and <DOCTYPE> tags to embed
+          the resulting HTML in an enclosing HTML source
+        - ``head`` - str containing additional HTML to insert into the <HEAD> section of the generated code;
+          can be used to insert custom CSS styling
+        - ``body`` - str containing additional HTML to insert at the beginning of the <BODY> section of the
+          generated code
+
+        Additional diagram-formatting keyword arguments can also be included;
+        see railroad.Diagram class.
+        """
+
+        try:
+            from .diagram import to_railroad, railroad_to_html
+        except ImportError as ie:
+            raise Exception(
+                "must ``pip install pyparsing[diagrams]`` to generate parser railroad diagrams"
+            ) from ie
+
+        self.streamline()
+
+        railroad = to_railroad(
+            self,
+            vertical=vertical,
+            show_results_names=show_results_names,
+            show_groups=show_groups,
+            diagram_kwargs=kwargs,
+        )
+        if isinstance(output_html, (str, Path)):
+            with open(output_html, "w", encoding="utf-8") as diag_file:
+                diag_file.write(railroad_to_html(railroad, embed=embed, **kwargs))
+        else:
+            # we were passed a file-like object, just write to it
+            output_html.write(railroad_to_html(railroad, embed=embed, **kwargs))
+
+    # Compatibility synonyms
+    # fmt: off
+    @staticmethod
+    @replaced_by_pep8(inline_literals_using)
+    def inlineLiteralsUsing(): ...
+
+    @staticmethod
+    @replaced_by_pep8(set_default_whitespace_chars)
+    def setDefaultWhitespaceChars(): ...
+
+    @replaced_by_pep8(set_results_name)
+    def setResultsName(self): ...
+
+    @replaced_by_pep8(set_break)
+    def setBreak(self): ...
+
+    @replaced_by_pep8(set_parse_action)
+    def setParseAction(self): ...
+
+    @replaced_by_pep8(add_parse_action)
+    def addParseAction(self): ...
+
+    @replaced_by_pep8(add_condition)
+    def addCondition(self): ...
+
+    @replaced_by_pep8(set_fail_action)
+    def setFailAction(self): ...
+
+    @replaced_by_pep8(try_parse)
+    def tryParse(self): ...
+
+    @staticmethod
+    @replaced_by_pep8(enable_left_recursion)
+    def enableLeftRecursion(): ...
+
+    @staticmethod
+    @replaced_by_pep8(enable_packrat)
+    def enablePackrat(): ...
+
+    @replaced_by_pep8(parse_string)
+    def parseString(self): ...
+
+    @replaced_by_pep8(scan_string)
+    def scanString(self): ...
+
+    @replaced_by_pep8(transform_string)
+    def transformString(self): ...
+
+    @replaced_by_pep8(search_string)
+    def searchString(self): ...
+
+    @replaced_by_pep8(ignore_whitespace)
+    def ignoreWhitespace(self): ...
+
+    @replaced_by_pep8(leave_whitespace)
+    def leaveWhitespace(self): ...
+
+    @replaced_by_pep8(set_whitespace_chars)
+    def setWhitespaceChars(self): ...
+
+    @replaced_by_pep8(parse_with_tabs)
+    def parseWithTabs(self): ...
+
+    @replaced_by_pep8(set_debug_actions)
+    def setDebugActions(self): ...
+
+    @replaced_by_pep8(set_debug)
+    def setDebug(self): ...
+
+    @replaced_by_pep8(set_name)
+    def setName(self): ...
+
+    @replaced_by_pep8(parse_file)
+    def parseFile(self): ...
+
+    @replaced_by_pep8(run_tests)
+    def runTests(self): ...
+
+    canParseNext = can_parse_next
+    resetCache = reset_cache
+    defaultName = default_name
+    # fmt: on
+
+
+class _PendingSkip(ParserElement):
+    # internal placeholder class to hold a place were '...' is added to a parser element,
+    # once another ParserElement is added, this placeholder will be replaced with a SkipTo
+    def __init__(self, expr: ParserElement, must_skip: bool = False):
+        super().__init__()
+        self.anchor = expr
+        self.must_skip = must_skip
+
+    def _generateDefaultName(self) -> str:
+        return str(self.anchor + Empty()).replace("Empty", "...")
+
+    def __add__(self, other) -> "ParserElement":
+        skipper = SkipTo(other).set_name("...")("_skipped*")
+        if self.must_skip:
+
+            def must_skip(t):
+                if not t._skipped or t._skipped.as_list() == [""]:
+                    del t[0]
+                    t.pop("_skipped", None)
+
+            def show_skip(t):
+                if t._skipped.as_list()[-1:] == [""]:
+                    t.pop("_skipped")
+                    t["_skipped"] = "missing <" + repr(self.anchor) + ">"
+
+            return (
+                self.anchor + skipper().add_parse_action(must_skip)
+                | skipper().add_parse_action(show_skip)
+            ) + other
+
+        return self.anchor + skipper + other
+
+    def __repr__(self):
+        return self.defaultName
+
+    def parseImpl(self, *args):
+        raise Exception(
+            "use of `...` expression without following SkipTo target expression"
+        )
+
+
+class Token(ParserElement):
+    """Abstract :class:`ParserElement` subclass, for defining atomic
+    matching patterns.
+    """
+
+    def __init__(self):
+        super().__init__(savelist=False)
+
+    def _generateDefaultName(self) -> str:
+        return type(self).__name__
+
+
+class NoMatch(Token):
+    """
+    A token that will never match.
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.errmsg = "Unmatchable token"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Literal(Token):
+    """
+    Token to exactly match a specified string.
+
+    Example::
+
+        Literal('blah').parse_string('blah')  # -> ['blah']
+        Literal('blah').parse_string('blahfooblah')  # -> ['blah']
+        Literal('blah').parse_string('bla')  # -> Exception: Expected "blah"
+
+    For case-insensitive matching, use :class:`CaselessLiteral`.
+
+    For keyword matching (force word break before and after the matched string),
+    use :class:`Keyword` or :class:`CaselessKeyword`.
+    """
+
+    def __new__(cls, match_string: str = "", *, matchString: str = ""):
+        # Performance tuning: select a subclass with optimized parseImpl
+        if cls is Literal:
+            match_string = matchString or match_string
+            if not match_string:
+                return super().__new__(Empty)
+            if len(match_string) == 1:
+                return super().__new__(_SingleCharLiteral)
+
+        # Default behavior
+        return super().__new__(cls)
+
+    # Needed to make copy.copy() work correctly if we customize __new__
+    def __getnewargs__(self):
+        return (self.match,)
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        super().__init__()
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        self.firstMatchChar = match_string[:1]
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+
+    def _generateDefaultName(self) -> str:
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar and instring.startswith(
+            self.match, loc
+        ):
+            return loc + self.matchLen, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Empty(Literal):
+    """
+    An empty token, will always match.
+    """
+
+    def __init__(self, match_string="", *, matchString=""):
+        super().__init__("")
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+    def _generateDefaultName(self) -> str:
+        return "Empty"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        return loc, []
+
+
+class _SingleCharLiteral(Literal):
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar:
+            return loc + 1, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+ParserElement._literalStringClass = Literal
+
+
+class Keyword(Token):
+    """
+    Token to exactly match a specified string as a keyword, that is,
+    it must be immediately preceded and followed by whitespace or
+    non-keyword characters. Compare with :class:`Literal`:
+
+    - ``Literal("if")`` will match the leading ``'if'`` in
+      ``'ifAndOnlyIf'``.
+    - ``Keyword("if")`` will not; it will only match the leading
+      ``'if'`` in ``'if x=1'``, or ``'if(y==2)'``
+
+    Accepts two optional constructor arguments in addition to the
+    keyword string:
+
+    - ``ident_chars`` is a string of characters that would be valid
+      identifier characters, defaulting to all alphanumerics + "_" and
+      "$"
+    - ``caseless`` allows case-insensitive matching, default is ``False``.
+
+    Example::
+
+        Keyword("start").parse_string("start")  # -> ['start']
+        Keyword("start").parse_string("starting")  # -> Exception
+
+    For case-insensitive matching, use :class:`CaselessKeyword`.
+    """
+
+    DEFAULT_KEYWORD_CHARS = alphanums + "_$"
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: typing.Optional[str] = None,
+        caseless: bool = False,
+        *,
+        matchString: str = "",
+        identChars: typing.Optional[str] = None,
+    ):
+        super().__init__()
+        identChars = identChars or ident_chars
+        if identChars is None:
+            identChars = Keyword.DEFAULT_KEYWORD_CHARS
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        try:
+            self.firstMatchChar = match_string[0]
+        except IndexError:
+            raise ValueError("null string passed to Keyword; use Empty() instead")
+        self.errmsg = f"Expected {type(self).__name__} {self.name}"
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+        self.caseless = caseless
+        if caseless:
+            self.caselessmatch = match_string.upper()
+            identChars = identChars.upper()
+        self.identChars = set(identChars)
+
+    def _generateDefaultName(self) -> str:
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        errmsg = self.errmsg
+        errloc = loc
+        if self.caseless:
+            if instring[loc : loc + self.matchLen].upper() == self.caselessmatch:
+                if loc == 0 or instring[loc - 1].upper() not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen].upper() not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += ", was immediately followed by keyword character"
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        else:
+            if (
+                instring[loc] == self.firstMatchChar
+                and self.matchLen == 1
+                or instring.startswith(self.match, loc)
+            ):
+                if loc == 0 or instring[loc - 1] not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen] not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += (
+                            ", keyword was immediately followed by keyword character"
+                        )
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        raise ParseException(instring, errloc, errmsg, self)
+
+    @staticmethod
+    def set_default_keyword_chars(chars) -> None:
+        """
+        Overrides the default characters used by :class:`Keyword` expressions.
+        """
+        Keyword.DEFAULT_KEYWORD_CHARS = chars
+
+    setDefaultKeywordChars = set_default_keyword_chars
+
+
+class CaselessLiteral(Literal):
+    """
+    Token to match a specified string, ignoring case of letters.
+    Note: the matched results will always be in the case of the given
+    match string, NOT the case of the input text.
+
+    Example::
+
+        CaselessLiteral("CMD")[1, ...].parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessKeyword`.)
+    """
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        match_string = matchString or match_string
+        super().__init__(match_string.upper())
+        # Preserve the defining literal.
+        self.returnString = match_string
+        self.errmsg = "Expected " + self.name
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc : loc + self.matchLen].upper() == self.match:
+            return loc + self.matchLen, self.returnString
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class CaselessKeyword(Keyword):
+    """
+    Caseless version of :class:`Keyword`.
+
+    Example::
+
+        CaselessKeyword("CMD")[1, ...].parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessLiteral`.)
+    """
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: typing.Optional[str] = None,
+        *,
+        matchString: str = "",
+        identChars: typing.Optional[str] = None,
+    ):
+        identChars = identChars or ident_chars
+        match_string = matchString or match_string
+        super().__init__(match_string, identChars, caseless=True)
+
+
+class CloseMatch(Token):
+    """A variation on :class:`Literal` which matches "close" matches,
+    that is, strings with at most 'n' mismatching characters.
+    :class:`CloseMatch` takes parameters:
+
+    - ``match_string`` - string to be matched
+    - ``caseless`` - a boolean indicating whether to ignore casing when comparing characters
+    - ``max_mismatches`` - (``default=1``) maximum number of
+      mismatches allowed to count as a match
+
+    The results from a successful parse will contain the matched text
+    from the input string and the following named results:
+
+    - ``mismatches`` - a list of the positions within the
+      match_string where mismatches were found
+    - ``original`` - the original match_string used to compare
+      against the input string
+
+    If ``mismatches`` is an empty list, then the match was an exact
+    match.
+
+    Example::
+
+        patt = CloseMatch("ATCATCGAATGGA")
+        patt.parse_string("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']})
+        patt.parse_string("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1)
+
+        # exact match
+        patt.parse_string("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']})
+
+        # close match allowing up to 2 mismatches
+        patt = CloseMatch("ATCATCGAATGGA", max_mismatches=2)
+        patt.parse_string("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']})
+    """
+
+    def __init__(
+        self,
+        match_string: str,
+        max_mismatches: typing.Optional[int] = None,
+        *,
+        maxMismatches: int = 1,
+        caseless=False,
+    ):
+        maxMismatches = max_mismatches if max_mismatches is not None else maxMismatches
+        super().__init__()
+        self.match_string = match_string
+        self.maxMismatches = maxMismatches
+        self.errmsg = f"Expected {self.match_string!r} (with up to {self.maxMismatches} mismatches)"
+        self.caseless = caseless
+        self.mayIndexError = False
+        self.mayReturnEmpty = False
+
+    def _generateDefaultName(self) -> str:
+        return f"{type(self).__name__}:{self.match_string!r}"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        instrlen = len(instring)
+        maxloc = start + len(self.match_string)
+
+        if maxloc <= instrlen:
+            match_string = self.match_string
+            match_stringloc = 0
+            mismatches = []
+            maxMismatches = self.maxMismatches
+
+            for match_stringloc, s_m in enumerate(
+                zip(instring[loc:maxloc], match_string)
+            ):
+                src, mat = s_m
+                if self.caseless:
+                    src, mat = src.lower(), mat.lower()
+
+                if src != mat:
+                    mismatches.append(match_stringloc)
+                    if len(mismatches) > maxMismatches:
+                        break
+            else:
+                loc = start + match_stringloc + 1
+                results = ParseResults([instring[start:loc]])
+                results["original"] = match_string
+                results["mismatches"] = mismatches
+                return loc, results
+
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Word(Token):
+    """Token for matching words composed of allowed character sets.
+
+    Parameters:
+
+    - ``init_chars`` - string of all characters that should be used to
+      match as a word; "ABC" will match "AAA", "ABAB", "CBAC", etc.;
+      if ``body_chars`` is also specified, then this is the string of
+      initial characters
+    - ``body_chars`` - string of characters that
+      can be used for matching after a matched initial character as
+      given in ``init_chars``; if omitted, same as the initial characters
+      (default=``None``)
+    - ``min`` - minimum number of characters to match (default=1)
+    - ``max`` - maximum number of characters to match (default=0)
+    - ``exact`` - exact number of characters to match (default=0)
+    - ``as_keyword`` - match as a keyword (default=``False``)
+    - ``exclude_chars`` - characters that might be
+      found in the input ``body_chars`` string but which should not be
+      accepted for matching ;useful to define a word of all
+      printables except for one or two characters, for instance
+      (default=``None``)
+
+    :class:`srange` is useful for defining custom character set strings
+    for defining :class:`Word` expressions, using range notation from
+    regular expression character sets.
+
+    A common mistake is to use :class:`Word` to match a specific literal
+    string, as in ``Word("Address")``. Remember that :class:`Word`
+    uses the string argument to define *sets* of matchable characters.
+    This expression would match "Add", "AAA", "dAred", or any other word
+    made up of the characters 'A', 'd', 'r', 'e', and 's'. To match an
+    exact literal string, use :class:`Literal` or :class:`Keyword`.
+
+    pyparsing includes helper strings for building Words:
+
+    - :class:`alphas`
+    - :class:`nums`
+    - :class:`alphanums`
+    - :class:`hexnums`
+    - :class:`alphas8bit` (alphabetic characters in ASCII range 128-255
+      - accented, tilded, umlauted, etc.)
+    - :class:`punc8bit` (non-alphabetic characters in ASCII range
+      128-255 - currency, symbols, superscripts, diacriticals, etc.)
+    - :class:`printables` (any non-whitespace character)
+
+    ``alphas``, ``nums``, and ``printables`` are also defined in several
+    Unicode sets - see :class:`pyparsing_unicode``.
+
+    Example::
+
+        # a word composed of digits
+        integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9"))
+
+        # a word with a leading capital, and zero or more lowercase
+        capital_word = Word(alphas.upper(), alphas.lower())
+
+        # hostnames are alphanumeric, with leading alpha, and '-'
+        hostname = Word(alphas, alphanums + '-')
+
+        # roman numeral (not a strict parser, accepts invalid mix of characters)
+        roman = Word("IVXLCDM")
+
+        # any string of non-whitespace characters, except for ','
+        csv_value = Word(printables, exclude_chars=",")
+    """
+
+    def __init__(
+        self,
+        init_chars: str = "",
+        body_chars: typing.Optional[str] = None,
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        as_keyword: bool = False,
+        exclude_chars: typing.Optional[str] = None,
+        *,
+        initChars: typing.Optional[str] = None,
+        bodyChars: typing.Optional[str] = None,
+        asKeyword: bool = False,
+        excludeChars: typing.Optional[str] = None,
+    ):
+        initChars = initChars or init_chars
+        bodyChars = bodyChars or body_chars
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__()
+        if not initChars:
+            raise ValueError(
+                f"invalid {type(self).__name__}, initChars cannot be empty string"
+            )
+
+        initChars_set = set(initChars)
+        if excludeChars:
+            excludeChars_set = set(excludeChars)
+            initChars_set -= excludeChars_set
+            if bodyChars:
+                bodyChars = "".join(set(bodyChars) - excludeChars_set)
+        self.initChars = initChars_set
+        self.initCharsOrig = "".join(sorted(initChars_set))
+
+        if bodyChars:
+            self.bodyChars = set(bodyChars)
+            self.bodyCharsOrig = "".join(sorted(bodyChars))
+        else:
+            self.bodyChars = initChars_set
+            self.bodyCharsOrig = self.initCharsOrig
+
+        self.maxSpecified = max > 0
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use Opt(Word()) if zero-length word is permitted"
+            )
+
+        if self.maxSpecified and min > max:
+            raise ValueError(
+                f"invalid args, if min and max both specified min must be <= max (min={min}, max={max})"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            min = max = exact
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asKeyword = asKeyword
+        if self.asKeyword:
+            self.errmsg += " as a keyword"
+
+        # see if we can make a regex for this Word
+        if " " not in (self.initChars | self.bodyChars):
+            if len(self.initChars) == 1:
+                re_leading_fragment = re.escape(self.initCharsOrig)
+            else:
+                re_leading_fragment = f"[{_collapse_string_to_ranges(self.initChars)}]"
+
+            if self.bodyChars == self.initChars:
+                if max == 0:
+                    repeat = "+"
+                elif max == 1:
+                    repeat = ""
+                else:
+                    if self.minLen != self.maxLen:
+                        repeat = f"{{{self.minLen},{'' if self.maxLen == _MAX_INT else self.maxLen}}}"
+                    else:
+                        repeat = f"{{{self.minLen}}}"
+                self.reString = f"{re_leading_fragment}{repeat}"
+            else:
+                if max == 1:
+                    re_body_fragment = ""
+                    repeat = ""
+                else:
+                    re_body_fragment = f"[{_collapse_string_to_ranges(self.bodyChars)}]"
+                    if max == 0:
+                        repeat = "*"
+                    elif max == 2:
+                        repeat = "?" if min <= 1 else ""
+                    else:
+                        if min != max:
+                            repeat = f"{{{min - 1 if min > 0 else 0},{max - 1}}}"
+                        else:
+                            repeat = f"{{{min - 1 if min > 0 else 0}}}"
+
+                self.reString = (
+                    f"{re_leading_fragment}" f"{re_body_fragment}" f"{repeat}"
+                )
+
+            if self.asKeyword:
+                self.reString = rf"\b{self.reString}\b"
+
+            try:
+                self.re = re.compile(self.reString)
+            except re.error:
+                self.re = None  # type: ignore[assignment]
+            else:
+                self.re_match = self.re.match
+                self.parseImpl = self.parseImpl_regex  # type: ignore[assignment]
+
+    def _generateDefaultName(self) -> str:
+        def charsAsStr(s):
+            max_repr_len = 16
+            s = _collapse_string_to_ranges(s, re_escape=False)
+            if len(s) > max_repr_len:
+                return s[: max_repr_len - 3] + "..."
+            else:
+                return s
+
+        if self.initChars != self.bodyChars:
+            base = f"W:({charsAsStr(self.initChars)}, {charsAsStr(self.bodyChars)})"
+        else:
+            base = f"W:({charsAsStr(self.initChars)})"
+
+        # add length specification
+        if self.minLen > 1 or self.maxLen != _MAX_INT:
+            if self.minLen == self.maxLen:
+                if self.minLen == 1:
+                    return base[2:]
+                else:
+                    return base + f"{{{self.minLen}}}"
+            elif self.maxLen == _MAX_INT:
+                return base + f"{{{self.minLen},...}}"
+            else:
+                return base + f"{{{self.minLen},{self.maxLen}}}"
+        return base
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.initChars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        instrlen = len(instring)
+        bodychars = self.bodyChars
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, instrlen)
+        while loc < maxloc and instring[loc] in bodychars:
+            loc += 1
+
+        throwException = False
+        if loc - start < self.minLen:
+            throwException = True
+        elif self.maxSpecified and loc < instrlen and instring[loc] in bodychars:
+            throwException = True
+        elif self.asKeyword:
+            if (
+                start > 0
+                and instring[start - 1] in bodychars
+                or loc < instrlen
+                and instring[loc] in bodychars
+            ):
+                throwException = True
+
+        if throwException:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+    def parseImpl_regex(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        return loc, result.group()
+
+
+class Char(Word):
+    """A short-cut class for defining :class:`Word` ``(characters, exact=1)``,
+    when defining a match of any single character in a string of
+    characters.
+    """
+
+    def __init__(
+        self,
+        charset: str,
+        as_keyword: bool = False,
+        exclude_chars: typing.Optional[str] = None,
+        *,
+        asKeyword: bool = False,
+        excludeChars: typing.Optional[str] = None,
+    ):
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__(
+            charset, exact=1, as_keyword=asKeyword, exclude_chars=excludeChars
+        )
+
+
+class Regex(Token):
+    r"""Token for matching strings that match a given regular
+    expression. Defined with string specifying the regular expression in
+    a form recognized by the stdlib Python  `re module <https://docs.python.org/3/library/re.html>`_.
+    If the given regex contains named groups (defined using ``(?P<name>...)``),
+    these will be preserved as named :class:`ParseResults`.
+
+    If instead of the Python stdlib ``re`` module you wish to use a different RE module
+    (such as the ``regex`` module), you can do so by building your ``Regex`` object with
+    a compiled RE that was compiled using ``regex``.
+
+    Example::
+
+        realnum = Regex(r"[+-]?\d+\.\d*")
+        # ref: https://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression
+        roman = Regex(r"M{0,4}(CM|CD|D?{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})")
+
+        # named fields in a regex will be returned as named results
+        date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)')
+
+        # the Regex class will accept re's compiled using the regex module
+        import regex
+        parser = pp.Regex(regex.compile(r'[0-9]'))
+    """
+
+    def __init__(
+        self,
+        pattern: Any,
+        flags: Union[re.RegexFlag, int] = 0,
+        as_group_list: bool = False,
+        as_match: bool = False,
+        *,
+        asGroupList: bool = False,
+        asMatch: bool = False,
+    ):
+        """The parameters ``pattern`` and ``flags`` are passed
+        to the ``re.compile()`` function as-is. See the Python
+        `re module <https://docs.python.org/3/library/re.html>`_ module for an
+        explanation of the acceptable patterns and flags.
+        """
+        super().__init__()
+        asGroupList = asGroupList or as_group_list
+        asMatch = asMatch or as_match
+
+        if isinstance(pattern, str_type):
+            if not pattern:
+                raise ValueError("null string passed to Regex; use Empty() instead")
+
+            self._re = None
+            self.reString = self.pattern = pattern
+            self.flags = flags
+
+        elif hasattr(pattern, "pattern") and hasattr(pattern, "match"):
+            self._re = pattern
+            self.pattern = self.reString = pattern.pattern
+            self.flags = flags
+
+        else:
+            raise TypeError(
+                "Regex may only be constructed with a string or a compiled RE object"
+            )
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asGroupList = asGroupList
+        self.asMatch = asMatch
+        if self.asGroupList:
+            self.parseImpl = self.parseImplAsGroupList  # type: ignore [assignment]
+        if self.asMatch:
+            self.parseImpl = self.parseImplAsMatch  # type: ignore [assignment]
+
+    @cached_property
+    def re(self):
+        if self._re:
+            return self._re
+        else:
+            try:
+                return re.compile(self.pattern, self.flags)
+            except re.error:
+                raise ValueError(f"invalid pattern ({self.pattern!r}) passed to Regex")
+
+    @cached_property
+    def re_match(self):
+        return self.re.match
+
+    @cached_property
+    def mayReturnEmpty(self):
+        return self.re_match("") is not None
+
+    def _generateDefaultName(self) -> str:
+        return "Re:({})".format(repr(self.pattern).replace("\\\\", "\\"))
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = ParseResults(result.group())
+        d = result.groupdict()
+        if d:
+            for k, v in d.items():
+                ret[k] = v
+        return loc, ret
+
+    def parseImplAsGroupList(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.groups()
+        return loc, ret
+
+    def parseImplAsMatch(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result
+        return loc, ret
+
+    def sub(self, repl: str) -> ParserElement:
+        r"""
+        Return :class:`Regex` with an attached parse action to transform the parsed
+        result as if called using `re.sub(expr, repl, string) <https://docs.python.org/3/library/re.html#re.sub>`_.
+
+        Example::
+
+            make_html = Regex(r"(\w+):(.*?):").sub(r"<\1>\2</\1>")
+            print(make_html.transform_string("h1:main title:"))
+            # prints "<h1>main title</h1>"
+        """
+        if self.asGroupList:
+            raise TypeError("cannot use sub() with Regex(as_group_list=True)")
+
+        if self.asMatch and callable(repl):
+            raise TypeError(
+                "cannot use sub() with a callable with Regex(as_match=True)"
+            )
+
+        if self.asMatch:
+
+            def pa(tokens):
+                return tokens[0].expand(repl)
+
+        else:
+
+            def pa(tokens):
+                return self.re.sub(repl, tokens[0])
+
+        return self.add_parse_action(pa)
+
+
+class QuotedString(Token):
+    r"""
+    Token for matching strings that are delimited by quoting characters.
+
+    Defined with the following parameters:
+
+    - ``quote_char`` - string of one or more characters defining the
+      quote delimiting string
+    - ``esc_char`` - character to re_escape quotes, typically backslash
+      (default= ``None``)
+    - ``esc_quote`` - special quote sequence to re_escape an embedded quote
+      string (such as SQL's ``""`` to re_escape an embedded ``"``)
+      (default= ``None``)
+    - ``multiline`` - boolean indicating whether quotes can span
+      multiple lines (default= ``False``)
+    - ``unquote_results`` - boolean indicating whether the matched text
+      should be unquoted (default= ``True``)
+    - ``end_quote_char`` - string of one or more characters defining the
+      end of the quote delimited string (default= ``None``  => same as
+      quote_char)
+    - ``convert_whitespace_escapes`` - convert escaped whitespace
+      (``'\t'``, ``'\n'``, etc.) to actual whitespace
+      (default= ``True``)
+
+    Example::
+
+        qs = QuotedString('"')
+        print(qs.search_string('lsjdf "This is the quote" sldjf'))
+        complex_qs = QuotedString('{{', end_quote_char='}}')
+        print(complex_qs.search_string('lsjdf {{This is the "quote"}} sldjf'))
+        sql_qs = QuotedString('"', esc_quote='""')
+        print(sql_qs.search_string('lsjdf "This is the quote with ""embedded"" quotes" sldjf'))
+
+    prints::
+
+        [['This is the quote']]
+        [['This is the "quote"']]
+        [['This is the quote with "embedded" quotes']]
+    """
+    ws_map = dict(((r"\t", "\t"), (r"\n", "\n"), (r"\f", "\f"), (r"\r", "\r")))
+
+    def __init__(
+        self,
+        quote_char: str = "",
+        esc_char: typing.Optional[str] = None,
+        esc_quote: typing.Optional[str] = None,
+        multiline: bool = False,
+        unquote_results: bool = True,
+        end_quote_char: typing.Optional[str] = None,
+        convert_whitespace_escapes: bool = True,
+        *,
+        quoteChar: str = "",
+        escChar: typing.Optional[str] = None,
+        escQuote: typing.Optional[str] = None,
+        unquoteResults: bool = True,
+        endQuoteChar: typing.Optional[str] = None,
+        convertWhitespaceEscapes: bool = True,
+    ):
+        super().__init__()
+        escChar = escChar or esc_char
+        escQuote = escQuote or esc_quote
+        unquoteResults = unquoteResults and unquote_results
+        endQuoteChar = endQuoteChar or end_quote_char
+        convertWhitespaceEscapes = (
+            convertWhitespaceEscapes and convert_whitespace_escapes
+        )
+        quote_char = quoteChar or quote_char
+
+        # remove white space from quote chars - wont work anyway
+        quote_char = quote_char.strip()
+        if not quote_char:
+            raise ValueError("quote_char cannot be the empty string")
+
+        if endQuoteChar is None:
+            endQuoteChar = quote_char
+        else:
+            endQuoteChar = endQuoteChar.strip()
+            if not endQuoteChar:
+                raise ValueError("end_quote_char cannot be the empty string")
+
+        self.quoteChar: str = quote_char
+        self.quoteCharLen: int = len(quote_char)
+        self.firstQuoteChar: str = quote_char[0]
+        self.endQuoteChar: str = endQuoteChar
+        self.endQuoteCharLen: int = len(endQuoteChar)
+        self.escChar: str = escChar or ""
+        self.escQuote: str = escQuote or ""
+        self.unquoteResults: bool = unquoteResults
+        self.convertWhitespaceEscapes: bool = convertWhitespaceEscapes
+        self.multiline = multiline
+
+        sep = ""
+        inner_pattern = ""
+
+        if escQuote:
+            inner_pattern += rf"{sep}(?:{re.escape(escQuote)})"
+            sep = "|"
+
+        if escChar:
+            inner_pattern += rf"{sep}(?:{re.escape(escChar)}.)"
+            sep = "|"
+            self.escCharReplacePattern = re.escape(escChar) + "(.)"
+
+        if len(self.endQuoteChar) > 1:
+            inner_pattern += (
+                f"{sep}(?:"
+                + "|".join(
+                    f"(?:{re.escape(self.endQuoteChar[:i])}(?!{re.escape(self.endQuoteChar[i:])}))"
+                    for i in range(len(self.endQuoteChar) - 1, 0, -1)
+                )
+                + ")"
+            )
+            sep = "|"
+
+        self.flags = re.RegexFlag(0)
+
+        if multiline:
+            self.flags = re.MULTILINE | re.DOTALL
+            inner_pattern += (
+                rf"{sep}(?:[^{_escape_regex_range_chars(self.endQuoteChar[0])}"
+                rf"{(_escape_regex_range_chars(escChar) if escChar is not None else '')}])"
+            )
+        else:
+            inner_pattern += (
+                rf"{sep}(?:[^{_escape_regex_range_chars(self.endQuoteChar[0])}\n\r"
+                rf"{(_escape_regex_range_chars(escChar) if escChar is not None else '')}])"
+            )
+
+        self.pattern = "".join(
+            [
+                re.escape(self.quoteChar),
+                "(?:",
+                inner_pattern,
+                ")*",
+                re.escape(self.endQuoteChar),
+            ]
+        )
+
+        if self.unquoteResults:
+            if self.convertWhitespaceEscapes:
+                self.unquote_scan_re = re.compile(
+                    rf"({'|'.join(re.escape(k) for k in self.ws_map)})|({re.escape(self.escChar)}.)|(\n|.)",
+                    flags=self.flags,
+                )
+            else:
+                self.unquote_scan_re = re.compile(
+                    rf"({re.escape(self.escChar)}.)|(\n|.)", flags=self.flags
+                )
+
+        try:
+            self.re = re.compile(self.pattern, self.flags)
+            self.reString = self.pattern
+            self.re_match = self.re.match
+        except re.error:
+            raise ValueError(f"invalid pattern {self.pattern!r} passed to Regex")
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.mayReturnEmpty = True
+
+    def _generateDefaultName(self) -> str:
+        if self.quoteChar == self.endQuoteChar and isinstance(self.quoteChar, str_type):
+            return f"string enclosed in {self.quoteChar!r}"
+
+        return f"quoted string, starting with {self.quoteChar} ending with {self.endQuoteChar}"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = (
+            instring[loc] == self.firstQuoteChar
+            and self.re_match(instring, loc)
+            or None
+        )
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.group()
+
+        if self.unquoteResults:
+            # strip off quotes
+            ret = ret[self.quoteCharLen : -self.endQuoteCharLen]
+
+            if isinstance(ret, str_type):
+                if self.convertWhitespaceEscapes:
+                    ret = "".join(
+                        self.ws_map[match.group(1)]
+                        if match.group(1)
+                        else match.group(2)[-1]
+                        if match.group(2)
+                        else match.group(3)
+                        for match in self.unquote_scan_re.finditer(ret)
+                    )
+                else:
+                    ret = "".join(
+                        match.group(1)[-1] if match.group(1) else match.group(2)
+                        for match in self.unquote_scan_re.finditer(ret)
+                    )
+
+                # replace escaped quotes
+                if self.escQuote:
+                    ret = ret.replace(self.escQuote, self.endQuoteChar)
+
+        return loc, ret
+
+
+class CharsNotIn(Token):
+    """Token for matching words composed of characters *not* in a given
+    set (will include whitespace in matched characters if not listed in
+    the provided exclusion set - see example). Defined with string
+    containing all disallowed characters, and an optional minimum,
+    maximum, and/or exact length.  The default value for ``min`` is
+    1 (a minimum value < 1 is not valid); the default values for
+    ``max`` and ``exact`` are 0, meaning no maximum or exact
+    length restriction.
+
+    Example::
+
+        # define a comma-separated-value as anything that is not a ','
+        csv_value = CharsNotIn(',')
+        print(DelimitedList(csv_value).parse_string("dkls,lsdkjf,s12 34,@!#,213"))
+
+    prints::
+
+        ['dkls', 'lsdkjf', 's12 34', '@!#', '213']
+    """
+
+    def __init__(
+        self,
+        not_chars: str = "",
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        *,
+        notChars: str = "",
+    ):
+        super().__init__()
+        self.skipWhitespace = False
+        self.notChars = not_chars or notChars
+        self.notCharsSet = set(self.notChars)
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use "
+                "Opt(CharsNotIn()) if zero-length char group is permitted"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = self.minLen == 0
+        self.mayIndexError = False
+
+    def _generateDefaultName(self) -> str:
+        not_chars_str = _collapse_string_to_ranges(self.notChars)
+        if len(not_chars_str) > 16:
+            return f"!W:({self.notChars[: 16 - 3]}...)"
+        else:
+            return f"!W:({self.notChars})"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        notchars = self.notCharsSet
+        if instring[loc] in notchars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        maxlen = min(start + self.maxLen, len(instring))
+        while loc < maxlen and instring[loc] not in notchars:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class White(Token):
+    """Special matching class for matching whitespace.  Normally,
+    whitespace is ignored by pyparsing grammars.  This class is included
+    when some whitespace structures are significant.  Define with
+    a string containing the whitespace characters to be matched; default
+    is ``" \\t\\r\\n"``.  Also takes optional ``min``,
+    ``max``, and ``exact`` arguments, as defined for the
+    :class:`Word` class.
+    """
+
+    whiteStrs = {
+        " ": "<SP>",
+        "\t": "<TAB>",
+        "\n": "<LF>",
+        "\r": "<CR>",
+        "\f": "<FF>",
+        "\u00A0": "<NBSP>",
+        "\u1680": "<OGHAM_SPACE_MARK>",
+        "\u180E": "<MONGOLIAN_VOWEL_SEPARATOR>",
+        "\u2000": "<EN_QUAD>",
+        "\u2001": "<EM_QUAD>",
+        "\u2002": "<EN_SPACE>",
+        "\u2003": "<EM_SPACE>",
+        "\u2004": "<THREE-PER-EM_SPACE>",
+        "\u2005": "<FOUR-PER-EM_SPACE>",
+        "\u2006": "<SIX-PER-EM_SPACE>",
+        "\u2007": "<FIGURE_SPACE>",
+        "\u2008": "<PUNCTUATION_SPACE>",
+        "\u2009": "<THIN_SPACE>",
+        "\u200A": "<HAIR_SPACE>",
+        "\u200B": "<ZERO_WIDTH_SPACE>",
+        "\u202F": "<NNBSP>",
+        "\u205F": "<MMSP>",
+        "\u3000": "<IDEOGRAPHIC_SPACE>",
+    }
+
+    def __init__(self, ws: str = " \t\r\n", min: int = 1, max: int = 0, exact: int = 0):
+        super().__init__()
+        self.matchWhite = ws
+        self.set_whitespace_chars(
+            "".join(c for c in self.whiteStrs if c not in self.matchWhite),
+            copy_defaults=True,
+        )
+        # self.leave_whitespace()
+        self.mayReturnEmpty = True
+        self.errmsg = "Expected " + self.name
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+    def _generateDefaultName(self) -> str:
+        return "".join(White.whiteStrs[c] for c in self.matchWhite)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.matchWhite:
+            raise ParseException(instring, loc, self.errmsg, self)
+        start = loc
+        loc += 1
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, len(instring))
+        while loc < maxloc and instring[loc] in self.matchWhite:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class PositionToken(Token):
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class GoToColumn(PositionToken):
+    """Token to advance to a specific column of input text; useful for
+    tabular report scraping.
+    """
+
+    def __init__(self, colno: int):
+        super().__init__()
+        self.col = colno
+
+    def preParse(self, instring: str, loc: int) -> int:
+        if col(loc, instring) != self.col:
+            instrlen = len(instring)
+            if self.ignoreExprs:
+                loc = self._skipIgnorables(instring, loc)
+            while (
+                loc < instrlen
+                and instring[loc].isspace()
+                and col(loc, instring) != self.col
+            ):
+                loc += 1
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        thiscol = col(loc, instring)
+        if thiscol > self.col:
+            raise ParseException(instring, loc, "Text not in expected column", self)
+        newloc = loc + self.col - thiscol
+        ret = instring[loc:newloc]
+        return newloc, ret
+
+
+class LineStart(PositionToken):
+    r"""Matches if current position is at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (LineStart() + 'AAA' + rest_of_line).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.leave_whitespace()
+        self.orig_whiteChars = set() | self.whiteChars
+        self.whiteChars.discard("\n")
+        self.skipper = Empty().set_whitespace_chars(self.whiteChars)
+        self.errmsg = "Expected start of line"
+
+    def preParse(self, instring: str, loc: int) -> int:
+        if loc == 0:
+            return loc
+        else:
+            ret = self.skipper.preParse(instring, loc)
+            if "\n" in self.orig_whiteChars:
+                while instring[ret : ret + 1] == "\n":
+                    ret = self.skipper.preParse(instring, ret + 1)
+            return ret
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) == 1:
+            return loc, []
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class LineEnd(PositionToken):
+    """Matches if current position is at the end of a line within the
+    parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.whiteChars.discard("\n")
+        self.set_whitespace_chars(self.whiteChars, copy_defaults=False)
+        self.errmsg = "Expected end of line"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            if instring[loc] == "\n":
+                return loc + 1, "\n"
+            else:
+                raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class StringStart(PositionToken):
+    """Matches if current position is at the beginning of the parse
+    string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected start of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            # see if entire string up to here is just whitespace and ignoreables
+            if loc != self.preParse(instring, 0):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class StringEnd(PositionToken):
+    """
+    Matches if current position is at the end of the parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected end of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        elif loc > len(instring):
+            return loc, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class WordStart(PositionToken):
+    """Matches if the current position is at the beginning of a
+    :class:`Word`, and is not preceded by any character in a given
+    set of ``word_chars`` (default= ``printables``). To emulate the
+    ``\b`` behavior of regular expressions, use
+    ``WordStart(alphanums)``. ``WordStart`` will also match at
+    the beginning of the string being parsed, or at the beginning of
+    a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.errmsg = "Not at the start of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            if (
+                instring[loc - 1] in self.wordChars
+                or instring[loc] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class WordEnd(PositionToken):
+    """Matches if the current position is at the end of a :class:`Word`,
+    and is not followed by any character in a given set of ``word_chars``
+    (default= ``printables``). To emulate the ``\b`` behavior of
+    regular expressions, use ``WordEnd(alphanums)``. ``WordEnd``
+    will also match at the end of the string being parsed, or at the end
+    of a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.skipWhitespace = False
+        self.errmsg = "Not at the end of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        instrlen = len(instring)
+        if instrlen > 0 and loc < instrlen:
+            if (
+                instring[loc] in self.wordChars
+                or instring[loc - 1] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class ParseExpression(ParserElement):
+    """Abstract subclass of ParserElement, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(savelist)
+        self.exprs: List[ParserElement]
+        if isinstance(exprs, _generatorType):
+            exprs = list(exprs)
+
+        if isinstance(exprs, str_type):
+            self.exprs = [self._literalStringClass(exprs)]
+        elif isinstance(exprs, ParserElement):
+            self.exprs = [exprs]
+        elif isinstance(exprs, Iterable):
+            exprs = list(exprs)
+            # if sequence of strings provided, wrap with Literal
+            if any(isinstance(expr, str_type) for expr in exprs):
+                exprs = (
+                    self._literalStringClass(e) if isinstance(e, str_type) else e
+                    for e in exprs
+                )
+            self.exprs = list(exprs)
+        else:
+            try:
+                self.exprs = list(exprs)
+            except TypeError:
+                self.exprs = [exprs]
+        self.callPreparse = False
+
+    def recurse(self) -> List[ParserElement]:
+        return self.exprs[:]
+
+    def append(self, other) -> ParserElement:
+        self.exprs.append(other)
+        self._defaultName = None
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``leave_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``ignore_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().ignore_whitespace(recursive)
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                for e in self.exprs:
+                    e.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            for e in self.exprs:
+                e.ignore(self.ignoreExprs[-1])
+        return self
+
+    def _generateDefaultName(self) -> str:
+        return f"{self.__class__.__name__}:({str(self.exprs)})"
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+
+        for e in self.exprs:
+            e.streamline()
+
+        # collapse nested :class:`And`'s of the form ``And(And(And(a, b), c), d)`` to ``And(a, b, c, d)``
+        # but only if there are no parse actions or resultsNames on the nested And's
+        # (likewise for :class:`Or`'s and :class:`MatchFirst`'s)
+        if len(self.exprs) == 2:
+            other = self.exprs[0]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = other.exprs[:] + [self.exprs[1]]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+            other = self.exprs[-1]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = self.exprs[:-1] + other.exprs[:]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+        self.errmsg = "Expected " + str(self)
+
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        warnings.warn(
+            "ParserElement.validate() is deprecated, and should not be used to check for left recursion",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        tmp = (validateTrace if validateTrace is not None else [])[:] + [self]
+        for e in self.exprs:
+            e.validate(tmp)
+        self._checkRecursion([])
+
+    def copy(self) -> ParserElement:
+        ret = super().copy()
+        ret = typing.cast(ParseExpression, ret)
+        ret.exprs = [e.copy() for e in self.exprs]
+        return ret
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in self.exprs:
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+    # Compatibility synonyms
+    # fmt: off
+    @replaced_by_pep8(leave_whitespace)
+    def leaveWhitespace(self): ...
+
+    @replaced_by_pep8(ignore_whitespace)
+    def ignoreWhitespace(self): ...
+    # fmt: on
+
+
+class And(ParseExpression):
+    """
+    Requires all given :class:`ParseExpression` s to be found in the given order.
+    Expressions may be separated by whitespace.
+    May be constructed using the ``'+'`` operator.
+    May also be constructed using the ``'-'`` operator, which will
+    suppress backtracking.
+
+    Example::
+
+        integer = Word(nums)
+        name_expr = Word(alphas)[1, ...]
+
+        expr = And([integer("id"), name_expr("name"), integer("age")])
+        # more easily written as:
+        expr = integer("id") + name_expr("name") + integer("age")
+    """
+
+    class _ErrorStop(Empty):
+        def __init__(self, *args, **kwargs):
+            super().__init__(*args, **kwargs)
+            self.leave_whitespace()
+
+        def _generateDefaultName(self) -> str:
+            return "-"
+
+    def __init__(
+        self, exprs_arg: typing.Iterable[ParserElement], savelist: bool = True
+    ):
+        exprs: List[ParserElement] = list(exprs_arg)
+        if exprs and Ellipsis in exprs:
+            tmp = []
+            for i, expr in enumerate(exprs):
+                if expr is Ellipsis:
+                    if i < len(exprs) - 1:
+                        skipto_arg: ParserElement = typing.cast(
+                            ParseExpression, (Empty() + exprs[i + 1])
+                        ).exprs[-1]
+                        tmp.append(SkipTo(skipto_arg)("_skipped*"))
+                    else:
+                        raise Exception(
+                            "cannot construct And with sequence ending in ..."
+                        )
+                else:
+                    tmp.append(expr)
+            exprs[:] = tmp
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+            if not isinstance(self.exprs[0], White):
+                self.set_whitespace_chars(
+                    self.exprs[0].whiteChars,
+                    copy_defaults=self.exprs[0].copyDefaultWhiteChars,
+                )
+                self.skipWhitespace = self.exprs[0].skipWhitespace
+            else:
+                self.skipWhitespace = False
+        else:
+            self.mayReturnEmpty = True
+        self.callPreparse = True
+
+    def streamline(self) -> ParserElement:
+        # collapse any _PendingSkip's
+        if self.exprs:
+            if any(
+                isinstance(e, ParseExpression)
+                and e.exprs
+                and isinstance(e.exprs[-1], _PendingSkip)
+                for e in self.exprs[:-1]
+            ):
+                deleted_expr_marker = NoMatch()
+                for i, e in enumerate(self.exprs[:-1]):
+                    if e is deleted_expr_marker:
+                        continue
+                    if (
+                        isinstance(e, ParseExpression)
+                        and e.exprs
+                        and isinstance(e.exprs[-1], _PendingSkip)
+                    ):
+                        e.exprs[-1] = e.exprs[-1] + self.exprs[i + 1]
+                        self.exprs[i + 1] = deleted_expr_marker
+                self.exprs = [e for e in self.exprs if e is not deleted_expr_marker]
+
+        super().streamline()
+
+        # link any IndentedBlocks to the prior expression
+        prev: ParserElement
+        cur: ParserElement
+        for prev, cur in zip(self.exprs, self.exprs[1:]):
+            # traverse cur or any first embedded expr of cur looking for an IndentedBlock
+            # (but watch out for recursive grammar)
+            seen = set()
+            while True:
+                if id(cur) in seen:
+                    break
+                seen.add(id(cur))
+                if isinstance(cur, IndentedBlock):
+                    prev.add_parse_action(
+                        lambda s, l, t, cur_=cur: setattr(
+                            cur_, "parent_anchor", col(l, s)
+                        )
+                    )
+                    break
+                subs = cur.recurse()
+                next_first = next(iter(subs), None)
+                if next_first is None:
+                    break
+                cur = typing.cast(ParserElement, next_first)
+
+        self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # pass False as callPreParse arg to _parse for first element, since we already
+        # pre-parsed the string as part of our And pre-parsing
+        loc, resultlist = self.exprs[0]._parse(
+            instring, loc, doActions, callPreParse=False
+        )
+        errorStop = False
+        for e in self.exprs[1:]:
+            # if isinstance(e, And._ErrorStop):
+            if type(e) is And._ErrorStop:
+                errorStop = True
+                continue
+            if errorStop:
+                try:
+                    loc, exprtokens = e._parse(instring, loc, doActions)
+                except ParseSyntaxException:
+                    raise
+                except ParseBaseException as pe:
+                    pe.__traceback__ = None
+                    raise ParseSyntaxException._from_exception(pe)
+                except IndexError:
+                    raise ParseSyntaxException(
+                        instring, len(instring), self.errmsg, self
+                    )
+            else:
+                loc, exprtokens = e._parse(instring, loc, doActions)
+            resultlist += exprtokens
+        return loc, resultlist
+
+    def __iadd__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return self.append(other)  # And([self, other])
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.exprs:
+            e._checkRecursion(subRecCheckList)
+            if not e.mayReturnEmpty:
+                break
+
+    def _generateDefaultName(self) -> str:
+        inner = " ".join(str(e) for e in self.exprs)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "{" + inner + "}"
+
+
+class Or(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    two expressions match, the expression that matches the longest
+    string will be used. May be constructed using the ``'^'``
+    operator.
+
+    Example::
+
+        # construct Or using '^' operator
+
+        number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789"))
+
+    prints::
+
+        [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+        matches = []
+        fatals = []
+        if all(e.callPreparse for e in self.exprs):
+            loc = self.preParse(instring, loc)
+        for e in self.exprs:
+            try:
+                loc2 = e.try_parse(instring, loc, raise_fatal=True)
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parser_element = e
+                fatals.append(pfe)
+                maxException = None
+                maxExcLoc = -1
+            except ParseException as err:
+                if not fatals:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+            else:
+                # save match among all matches, to retry longest to shortest
+                matches.append((loc2, e))
+
+        if matches:
+            # re-evaluate all matches in descending order of length of match, in case attached actions
+            # might change whether or how much they match of the input.
+            matches.sort(key=itemgetter(0), reverse=True)
+
+            if not doActions:
+                # no further conditions or parse actions to change the selection of
+                # alternative, so the first match will be the best match
+                best_expr = matches[0][1]
+                return best_expr._parse(instring, loc, doActions)
+
+            longest = -1, None
+            for loc1, expr1 in matches:
+                if loc1 <= longest[0]:
+                    # already have a longer match than this one will deliver, we are done
+                    return longest
+
+                try:
+                    loc2, toks = expr1._parse(instring, loc, doActions)
+                except ParseException as err:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+                else:
+                    if loc2 >= loc1:
+                        return loc2, toks
+                    # didn't match as much as before
+                    elif loc2 > longest[0]:
+                        longest = loc2, toks
+
+            if longest != (-1, None):
+                return longest
+
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parser_element))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if maxException is not None:
+            # infer from this check that all alternatives failed at the current position
+            # so emit this collective error message instead of any single error message
+            if maxExcLoc == loc:
+                maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ixor__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return self.append(other)  # Or([self, other])
+
+    def _generateDefaultName(self) -> str:
+        return "{" + " ^ ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class MatchFirst(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    more than one expression matches, the first one listed is the one that will
+    match. May be constructed using the ``'|'`` operator.
+
+    Example::
+
+        # construct MatchFirst using '|' operator
+
+        # watch the order of expressions to match
+        number = Word(nums) | Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789")) #  Fail! -> [['123'], ['3'], ['1416'], ['789']]
+
+        # put more selective expression first
+        number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums)
+        print(number.search_string("123 3.1416 789")) #  Better -> [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+        if self.exprs:
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+
+        for e in self.exprs:
+            try:
+                return e._parse(
+                    instring,
+                    loc,
+                    doActions,
+                )
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parser_element = e
+                raise
+            except ParseException as err:
+                if err.loc > maxExcLoc:
+                    maxException = err
+                    maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+
+        if maxException is not None:
+            # infer from this check that all alternatives failed at the current position
+            # so emit this collective error message instead of any individual error message
+            if maxExcLoc == loc:
+                maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ior__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return self.append(other)  # MatchFirst([self, other])
+
+    def _generateDefaultName(self) -> str:
+        return "{" + " | ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class Each(ParseExpression):
+    """Requires all given :class:`ParseExpression` s to be found, but in
+    any order. Expressions may be separated by whitespace.
+
+    May be constructed using the ``'&'`` operator.
+
+    Example::
+
+        color = one_of("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN")
+        shape_type = one_of("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON")
+        integer = Word(nums)
+        shape_attr = "shape:" + shape_type("shape")
+        posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn")
+        color_attr = "color:" + color("color")
+        size_attr = "size:" + integer("size")
+
+        # use Each (using operator '&') to accept attributes in any order
+        # (shape and posn are required, color and size are optional)
+        shape_spec = shape_attr & posn_attr & Opt(color_attr) & Opt(size_attr)
+
+        shape_spec.run_tests('''
+            shape: SQUARE color: BLACK posn: 100, 120
+            shape: CIRCLE size: 50 color: BLUE posn: 50,80
+            color:GREEN size:20 shape:TRIANGLE posn:20,40
+            '''
+            )
+
+    prints::
+
+        shape: SQUARE color: BLACK posn: 100, 120
+        ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']]
+        - color: BLACK
+        - posn: ['100', ',', '120']
+          - x: 100
+          - y: 120
+        - shape: SQUARE
+
+
+        shape: CIRCLE size: 50 color: BLUE posn: 50,80
+        ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']]
+        - color: BLUE
+        - posn: ['50', ',', '80']
+          - x: 50
+          - y: 80
+        - shape: CIRCLE
+        - size: 50
+
+
+        color: GREEN size: 20 shape: TRIANGLE posn: 20,40
+        ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']]
+        - color: GREEN
+        - posn: ['20', ',', '40']
+          - x: 20
+          - y: 40
+        - shape: TRIANGLE
+        - size: 20
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = True):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        self.skipWhitespace = True
+        self.initExprGroups = True
+        self.saveAsList = True
+
+    def __iand__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+        return self.append(other)  # Each([self, other])
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.initExprGroups:
+            self.opt1map = dict(
+                (id(e.expr), e) for e in self.exprs if isinstance(e, Opt)
+            )
+            opt1 = [e.expr for e in self.exprs if isinstance(e, Opt)]
+            opt2 = [
+                e
+                for e in self.exprs
+                if e.mayReturnEmpty and not isinstance(e, (Opt, Regex, ZeroOrMore))
+            ]
+            self.optionals = opt1 + opt2
+            self.multioptionals = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, _MultipleMatch)
+            ]
+            self.multirequired = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, OneOrMore)
+            ]
+            self.required = [
+                e for e in self.exprs if not isinstance(e, (Opt, ZeroOrMore, OneOrMore))
+            ]
+            self.required += self.multirequired
+            self.initExprGroups = False
+
+        tmpLoc = loc
+        tmpReqd = self.required[:]
+        tmpOpt = self.optionals[:]
+        multis = self.multioptionals[:]
+        matchOrder = []
+
+        keepMatching = True
+        failed = []
+        fatals = []
+        while keepMatching:
+            tmpExprs = tmpReqd + tmpOpt + multis
+            failed.clear()
+            fatals.clear()
+            for e in tmpExprs:
+                try:
+                    tmpLoc = e.try_parse(instring, tmpLoc, raise_fatal=True)
+                except ParseFatalException as pfe:
+                    pfe.__traceback__ = None
+                    pfe.parser_element = e
+                    fatals.append(pfe)
+                    failed.append(e)
+                except ParseException:
+                    failed.append(e)
+                else:
+                    matchOrder.append(self.opt1map.get(id(e), e))
+                    if e in tmpReqd:
+                        tmpReqd.remove(e)
+                    elif e in tmpOpt:
+                        tmpOpt.remove(e)
+            if len(failed) == len(tmpExprs):
+                keepMatching = False
+
+        # look for any ParseFatalExceptions
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parser_element))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if tmpReqd:
+            missing = ", ".join([str(e) for e in tmpReqd])
+            raise ParseException(
+                instring,
+                loc,
+                f"Missing one or more required elements ({missing})",
+            )
+
+        # add any unmatched Opts, in case they have default values defined
+        matchOrder += [e for e in self.exprs if isinstance(e, Opt) and e.expr in tmpOpt]
+
+        total_results = ParseResults([])
+        for e in matchOrder:
+            loc, results = e._parse(instring, loc, doActions)
+            total_results += results
+
+        return loc, total_results
+
+    def _generateDefaultName(self) -> str:
+        return "{" + " & ".join(str(e) for e in self.exprs) + "}"
+
+
+class ParseElementEnhance(ParserElement):
+    """Abstract subclass of :class:`ParserElement`, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        super().__init__(savelist)
+        if isinstance(expr, str_type):
+            expr_str = typing.cast(str, expr)
+            if issubclass(self._literalStringClass, Token):
+                expr = self._literalStringClass(expr_str)  # type: ignore[call-arg]
+            elif issubclass(type(self), self._literalStringClass):
+                expr = Literal(expr_str)
+            else:
+                expr = self._literalStringClass(Literal(expr_str))  # type: ignore[assignment, call-arg]
+        expr = typing.cast(ParserElement, expr)
+        self.expr = expr
+        if expr is not None:
+            self.mayIndexError = expr.mayIndexError
+            self.mayReturnEmpty = expr.mayReturnEmpty
+            self.set_whitespace_chars(
+                expr.whiteChars, copy_defaults=expr.copyDefaultWhiteChars
+            )
+            self.skipWhitespace = expr.skipWhitespace
+            self.saveAsList = expr.saveAsList
+            self.callPreparse = expr.callPreparse
+            self.ignoreExprs.extend(expr.ignoreExprs)
+
+    def recurse(self) -> List[ParserElement]:
+        return [self.expr] if self.expr is not None else []
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr is not None:
+            try:
+                return self.expr._parse(instring, loc, doActions, callPreParse=False)
+            except ParseBaseException as pbe:
+                pbe.msg = self.errmsg
+                raise
+        else:
+            raise ParseException(instring, loc, "No expression defined", self)
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            if self.expr is not None:
+                self.expr = self.expr.copy()
+                self.expr.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().ignore_whitespace(recursive)
+
+        if recursive:
+            if self.expr is not None:
+                self.expr = self.expr.copy()
+                self.expr.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                if self.expr is not None:
+                    self.expr.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            if self.expr is not None:
+                self.expr.ignore(self.ignoreExprs[-1])
+        return self
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.expr is not None:
+            self.expr.streamline()
+        return self
+
+    def _checkRecursion(self, parseElementList):
+        if self in parseElementList:
+            raise RecursiveGrammarException(parseElementList + [self])
+        subRecCheckList = parseElementList[:] + [self]
+        if self.expr is not None:
+            self.expr._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        warnings.warn(
+            "ParserElement.validate() is deprecated, and should not be used to check for left recursion",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        if validateTrace is None:
+            validateTrace = []
+        tmp = validateTrace[:] + [self]
+        if self.expr is not None:
+            self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self) -> str:
+        return f"{self.__class__.__name__}:({str(self.expr)})"
+
+    # Compatibility synonyms
+    # fmt: off
+    @replaced_by_pep8(leave_whitespace)
+    def leaveWhitespace(self): ...
+
+    @replaced_by_pep8(ignore_whitespace)
+    def ignoreWhitespace(self): ...
+    # fmt: on
+
+
+class IndentedBlock(ParseElementEnhance):
+    """
+    Expression to match one or more expressions at a given indentation level.
+    Useful for parsing text where structure is implied by indentation (like Python source code).
+    """
+
+    class _Indent(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = f"expected indent at column {ref_col}"
+            self.add_condition(lambda s, l, t: col(l, s) == ref_col)
+
+    class _IndentGreater(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = f"expected indent at column greater than {ref_col}"
+            self.add_condition(lambda s, l, t: col(l, s) > ref_col)
+
+    def __init__(
+        self, expr: ParserElement, *, recursive: bool = False, grouped: bool = True
+    ):
+        super().__init__(expr, savelist=True)
+        # if recursive:
+        #     raise NotImplementedError("IndentedBlock with recursive is not implemented")
+        self._recursive = recursive
+        self._grouped = grouped
+        self.parent_anchor = 1
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # advance parse position to non-whitespace by using an Empty()
+        # this should be the column to be used for all subsequent indented lines
+        anchor_loc = Empty().preParse(instring, loc)
+
+        # see if self.expr matches at the current location - if not it will raise an exception
+        # and no further work is necessary
+        self.expr.try_parse(instring, anchor_loc, do_actions=doActions)
+
+        indent_col = col(anchor_loc, instring)
+        peer_detect_expr = self._Indent(indent_col)
+
+        inner_expr = Empty() + peer_detect_expr + self.expr
+        if self._recursive:
+            sub_indent = self._IndentGreater(indent_col)
+            nested_block = IndentedBlock(
+                self.expr, recursive=self._recursive, grouped=self._grouped
+            )
+            nested_block.set_debug(self.debug)
+            nested_block.parent_anchor = indent_col
+            inner_expr += Opt(sub_indent + nested_block)
+
+        inner_expr.set_name(f"inner {hex(id(inner_expr))[-4:].upper()}@{indent_col}")
+        block = OneOrMore(inner_expr)
+
+        trailing_undent = self._Indent(self.parent_anchor) | StringEnd()
+
+        if self._grouped:
+            wrapper = Group
+        else:
+            wrapper = lambda expr: expr
+        return (wrapper(block) + Optional(trailing_undent)).parseImpl(
+            instring, anchor_loc, doActions
+        )
+
+
+class AtStringStart(ParseElementEnhance):
+    """Matches if expression matches at the beginning of the parse
+    string::
+
+        AtStringStart(Word(nums)).parse_string("123")
+        # prints ["123"]
+
+        AtStringStart(Word(nums)).parse_string("    123")
+        # raises ParseException
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            raise ParseException(instring, loc, "not found at string start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class AtLineStart(ParseElementEnhance):
+    r"""Matches if an expression matches at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (AtLineStart('AAA') + rest_of_line).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) != 1:
+            raise ParseException(instring, loc, "not found at line start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class FollowedBy(ParseElementEnhance):
+    """Lookahead matching of the given parse expression.
+    ``FollowedBy`` does *not* advance the parsing position within
+    the input string, it only verifies that the specified parse
+    expression matches at the current position.  ``FollowedBy``
+    always returns a null token list. If any results names are defined
+    in the lookahead expression, those *will* be returned for access by
+    name.
+
+    Example::
+
+        # use FollowedBy to match a label only if it is followed by a ':'
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        attr_expr[1, ...].parse_string("shape: SQUARE color: BLACK posn: upper left").pprint()
+
+    prints::
+
+        [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']]
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # by using self._expr.parse and deleting the contents of the returned ParseResults list
+        # we keep any named results that were defined in the FollowedBy expression
+        _, ret = self.expr._parse(instring, loc, doActions=doActions)
+        del ret[:]
+
+        return loc, ret
+
+
+class PrecededBy(ParseElementEnhance):
+    """Lookbehind matching of the given parse expression.
+    ``PrecededBy`` does not advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    matches prior to the current position.  ``PrecededBy`` always
+    returns a null token list, but if a results name is defined on the
+    given expression, it is returned.
+
+    Parameters:
+
+    - ``expr`` - expression that must match prior to the current parse
+      location
+    - ``retreat`` - (default= ``None``) - (int) maximum number of characters
+      to lookbehind prior to the current parse location
+
+    If the lookbehind expression is a string, :class:`Literal`,
+    :class:`Keyword`, or a :class:`Word` or :class:`CharsNotIn`
+    with a specified exact or maximum length, then the retreat
+    parameter is not required. Otherwise, retreat must be specified to
+    give a maximum number of characters to look back from
+    the current parse position for a lookbehind match.
+
+    Example::
+
+        # VB-style variable names with type prefixes
+        int_var = PrecededBy("#") + pyparsing_common.identifier
+        str_var = PrecededBy("$") + pyparsing_common.identifier
+
+    """
+
+    def __init__(
+        self, expr: Union[ParserElement, str], retreat: typing.Optional[int] = None
+    ):
+        super().__init__(expr)
+        self.expr = self.expr().leave_whitespace()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.exact = False
+        if isinstance(expr, str_type):
+            expr = typing.cast(str, expr)
+            retreat = len(expr)
+            self.exact = True
+        elif isinstance(expr, (Literal, Keyword)):
+            retreat = expr.matchLen
+            self.exact = True
+        elif isinstance(expr, (Word, CharsNotIn)) and expr.maxLen != _MAX_INT:
+            retreat = expr.maxLen
+            self.exact = True
+        elif isinstance(expr, PositionToken):
+            retreat = 0
+            self.exact = True
+        self.retreat = retreat
+        self.errmsg = "not preceded by " + str(expr)
+        self.skipWhitespace = False
+        self.parseAction.append(lambda s, l, t: t.__delitem__(slice(None, None)))
+
+    def parseImpl(self, instring, loc=0, doActions=True):
+        if self.exact:
+            if loc < self.retreat:
+                raise ParseException(instring, loc, self.errmsg)
+            start = loc - self.retreat
+            _, ret = self.expr._parse(instring, start)
+        else:
+            # retreat specified a maximum lookbehind window, iterate
+            test_expr = self.expr + StringEnd()
+            instring_slice = instring[max(0, loc - self.retreat) : loc]
+            last_expr = ParseException(instring, loc, self.errmsg)
+            for offset in range(1, min(loc, self.retreat + 1) + 1):
+                try:
+                    # print('trying', offset, instring_slice, repr(instring_slice[loc - offset:]))
+                    _, ret = test_expr._parse(
+                        instring_slice, len(instring_slice) - offset
+                    )
+                except ParseBaseException as pbe:
+                    last_expr = pbe
+                else:
+                    break
+            else:
+                raise last_expr
+        return loc, ret
+
+
+class Located(ParseElementEnhance):
+    """
+    Decorates a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parse_with_tabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in Located(wd).search_string("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [0, ['ljsdf'], 5]
+        [8, ['lksdjjf'], 15]
+        [18, ['lkkjj'], 23]
+
+    """
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        loc, tokens = self.expr._parse(instring, start, doActions, callPreParse=False)
+        ret_tokens = ParseResults([start, tokens, loc])
+        ret_tokens["locn_start"] = start
+        ret_tokens["value"] = tokens
+        ret_tokens["locn_end"] = loc
+        if self.resultsName:
+            # must return as a list, so that the name will be attached to the complete group
+            return loc, [ret_tokens]
+        else:
+            return loc, ret_tokens
+
+
+class NotAny(ParseElementEnhance):
+    """
+    Lookahead to disallow matching with the given parse expression.
+    ``NotAny`` does *not* advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    does *not* match at the current position.  Also, ``NotAny`` does
+    *not* skip over leading whitespace. ``NotAny`` always returns
+    a null token list.  May be constructed using the ``'~'`` operator.
+
+    Example::
+
+        AND, OR, NOT = map(CaselessKeyword, "AND OR NOT".split())
+
+        # take care not to mistake keywords for identifiers
+        ident = ~(AND | OR | NOT) + Word(alphas)
+        boolean_term = Opt(NOT) + ident
+
+        # very crude boolean expression - to support parenthesis groups and
+        # operation hierarchy, use infix_notation
+        boolean_expr = boolean_term + ((AND | OR) + boolean_term)[...]
+
+        # integers that are followed by "." are actually floats
+        integer = Word(nums) + ~Char(".")
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        # do NOT use self.leave_whitespace(), don't want to propagate to exprs
+        # self.leave_whitespace()
+        self.skipWhitespace = False
+
+        self.mayReturnEmpty = True
+        self.errmsg = "Found unwanted token, " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr.can_parse_next(instring, loc, do_actions=doActions):
+            raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+    def _generateDefaultName(self) -> str:
+        return "~{" + str(self.expr) + "}"
+
+
+class _MultipleMatch(ParseElementEnhance):
+    def __init__(
+        self,
+        expr: Union[str, ParserElement],
+        stop_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        stopOn: typing.Optional[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr)
+        stopOn = stopOn or stop_on
+        self.saveAsList = True
+        ender = stopOn
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.stopOn(ender)
+
+    def stopOn(self, ender) -> ParserElement:
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.not_ender = ~ender if ender is not None else None
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr_parse = self.expr._parse
+        self_skip_ignorables = self._skipIgnorables
+        check_ender = self.not_ender is not None
+        if check_ender:
+            try_not_ender = self.not_ender.try_parse
+
+        # must be at least one (but first see if we are the stopOn sentinel;
+        # if so, fail)
+        if check_ender:
+            try_not_ender(instring, loc)
+        loc, tokens = self_expr_parse(instring, loc, doActions)
+        try:
+            hasIgnoreExprs = not not self.ignoreExprs
+            while 1:
+                if check_ender:
+                    try_not_ender(instring, loc)
+                if hasIgnoreExprs:
+                    preloc = self_skip_ignorables(instring, loc)
+                else:
+                    preloc = loc
+                loc, tmptokens = self_expr_parse(instring, preloc, doActions)
+                tokens += tmptokens
+        except (ParseException, IndexError):
+            pass
+
+        return loc, tokens
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in [self.expr] + self.expr.recurse():
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class OneOrMore(_MultipleMatch):
+    """
+    Repetition of one or more of the given expression.
+
+    Parameters:
+
+    - ``expr`` - expression that must match one or more times
+    - ``stop_on`` - (default= ``None``) - expression for a terminating sentinel
+      (only required if the sentinel would ordinarily match the repetition
+      expression)
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).set_parse_action(' '.join))
+
+        text = "shape: SQUARE posn: upper left color: BLACK"
+        attr_expr[1, ...].parse_string(text).pprint()  # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']]
+
+        # use stop_on attribute for OneOrMore to avoid reading label string as part of the data
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        OneOrMore(attr_expr).parse_string(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']]
+
+        # could also be written as
+        (attr_expr * (1,)).parse_string(text).pprint()
+    """
+
+    def _generateDefaultName(self) -> str:
+        return "{" + str(self.expr) + "}..."
+
+
+class ZeroOrMore(_MultipleMatch):
+    """
+    Optional repetition of zero or more of the given expression.
+
+    Parameters:
+
+    - ``expr`` - expression that must match zero or more times
+    - ``stop_on`` - expression for a terminating sentinel
+      (only required if the sentinel would ordinarily match the repetition
+      expression) - (default= ``None``)
+
+    Example: similar to :class:`OneOrMore`
+    """
+
+    def __init__(
+        self,
+        expr: Union[str, ParserElement],
+        stop_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        stopOn: typing.Optional[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr, stopOn=stopOn or stop_on)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        try:
+            return super().parseImpl(instring, loc, doActions)
+        except (ParseException, IndexError):
+            return loc, ParseResults([], name=self.resultsName)
+
+    def _generateDefaultName(self) -> str:
+        return "[" + str(self.expr) + "]..."
+
+
+class DelimitedList(ParseElementEnhance):
+    def __init__(
+        self,
+        expr: Union[str, ParserElement],
+        delim: Union[str, ParserElement] = ",",
+        combine: bool = False,
+        min: typing.Optional[int] = None,
+        max: typing.Optional[int] = None,
+        *,
+        allow_trailing_delim: bool = False,
+    ):
+        """Helper to define a delimited list of expressions - the delimiter
+        defaults to ','. By default, the list elements and delimiters can
+        have intervening whitespace, and comments, but this can be
+        overridden by passing ``combine=True`` in the constructor. If
+        ``combine`` is set to ``True``, the matching tokens are
+        returned as a single token string, with the delimiters included;
+        otherwise, the matching tokens are returned as a list of tokens,
+        with the delimiters suppressed.
+
+        If ``allow_trailing_delim`` is set to True, then the list may end with
+        a delimiter.
+
+        Example::
+
+            DelimitedList(Word(alphas)).parse_string("aa,bb,cc") # -> ['aa', 'bb', 'cc']
+            DelimitedList(Word(hexnums), delim=':', combine=True).parse_string("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE']
+        """
+        if isinstance(expr, str_type):
+            expr = ParserElement._literalStringClass(expr)
+        expr = typing.cast(ParserElement, expr)
+
+        if min is not None:
+            if min < 1:
+                raise ValueError("min must be greater than 0")
+        if max is not None:
+            if min is not None and max < min:
+                raise ValueError("max must be greater than, or equal to min")
+
+        self.content = expr
+        self.raw_delim = str(delim)
+        self.delim = delim
+        self.combine = combine
+        if not combine:
+            self.delim = Suppress(delim)
+        self.min = min or 1
+        self.max = max
+        self.allow_trailing_delim = allow_trailing_delim
+
+        delim_list_expr = self.content + (self.delim + self.content) * (
+            self.min - 1,
+            None if self.max is None else self.max - 1,
+        )
+        if self.allow_trailing_delim:
+            delim_list_expr += Opt(self.delim)
+
+        if self.combine:
+            delim_list_expr = Combine(delim_list_expr)
+
+        super().__init__(delim_list_expr, savelist=True)
+
+    def _generateDefaultName(self) -> str:
+        return "{0} [{1} {0}]...".format(self.content.streamline(), self.raw_delim)
+
+
+class _NullToken:
+    def __bool__(self):
+        return False
+
+    def __str__(self):
+        return ""
+
+
+class Opt(ParseElementEnhance):
+    """
+    Optional matching of the given expression.
+
+    Parameters:
+
+    - ``expr`` - expression that must match zero or more times
+    - ``default`` (optional) - value to be returned if the optional expression is not found.
+
+    Example::
+
+        # US postal code can be a 5-digit zip, plus optional 4-digit qualifier
+        zip = Combine(Word(nums, exact=5) + Opt('-' + Word(nums, exact=4)))
+        zip.run_tests('''
+            # traditional ZIP code
+            12345
+
+            # ZIP+4 form
+            12101-0001
+
+            # invalid ZIP
+            98765-
+            ''')
+
+    prints::
+
+        # traditional ZIP code
+        12345
+        ['12345']
+
+        # ZIP+4 form
+        12101-0001
+        ['12101-0001']
+
+        # invalid ZIP
+        98765-
+             ^
+        FAIL: Expected end of text (at char 5), (line:1, col:6)
+    """
+
+    __optionalNotMatched = _NullToken()
+
+    def __init__(
+        self, expr: Union[ParserElement, str], default: Any = __optionalNotMatched
+    ):
+        super().__init__(expr, savelist=False)
+        self.saveAsList = self.expr.saveAsList
+        self.defaultValue = default
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr = self.expr
+        try:
+            loc, tokens = self_expr._parse(instring, loc, doActions, callPreParse=False)
+        except (ParseException, IndexError):
+            default_value = self.defaultValue
+            if default_value is not self.__optionalNotMatched:
+                if self_expr.resultsName:
+                    tokens = ParseResults([default_value])
+                    tokens[self_expr.resultsName] = default_value
+                else:
+                    tokens = [default_value]
+            else:
+                tokens = []
+        return loc, tokens
+
+    def _generateDefaultName(self) -> str:
+        inner = str(self.expr)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "[" + inner + "]"
+
+
+Optional = Opt
+
+
+class SkipTo(ParseElementEnhance):
+    """
+    Token for skipping over all undefined text until the matched
+    expression is found.
+
+    Parameters:
+
+    - ``expr`` - target expression marking the end of the data to be skipped
+    - ``include`` - if ``True``, the target expression is also parsed
+      (the skipped text and target expression are returned as a 2-element
+      list) (default= ``False``).
+    - ``ignore`` - (default= ``None``) used to define grammars (typically quoted strings and
+      comments) that might contain false matches to the target expression
+    - ``fail_on`` - (default= ``None``) define expressions that are not allowed to be
+      included in the skipped test; if found before the target expression is found,
+      the :class:`SkipTo` is not a match
+
+    Example::
+
+        report = '''
+            Outstanding Issues Report - 1 Jan 2000
+
+               # | Severity | Description                               |  Days Open
+            -----+----------+-------------------------------------------+-----------
+             101 | Critical | Intermittent system crash                 |          6
+              94 | Cosmetic | Spelling error on Login ('log|n')         |         14
+              79 | Minor    | System slow when running too many reports |         47
+            '''
+        integer = Word(nums)
+        SEP = Suppress('|')
+        # use SkipTo to simply match everything up until the next SEP
+        # - ignore quoted strings, so that a '|' character inside a quoted string does not match
+        # - parse action will call token.strip() for each matched token, i.e., the description body
+        string_data = SkipTo(SEP, ignore=quoted_string)
+        string_data.set_parse_action(token_map(str.strip))
+        ticket_expr = (integer("issue_num") + SEP
+                      + string_data("sev") + SEP
+                      + string_data("desc") + SEP
+                      + integer("days_open"))
+
+        for tkt in ticket_expr.search_string(report):
+            print tkt.dump()
+
+    prints::
+
+        ['101', 'Critical', 'Intermittent system crash', '6']
+        - days_open: '6'
+        - desc: 'Intermittent system crash'
+        - issue_num: '101'
+        - sev: 'Critical'
+        ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14']
+        - days_open: '14'
+        - desc: "Spelling error on Login ('log|n')"
+        - issue_num: '94'
+        - sev: 'Cosmetic'
+        ['79', 'Minor', 'System slow when running too many reports', '47']
+        - days_open: '47'
+        - desc: 'System slow when running too many reports'
+        - issue_num: '79'
+        - sev: 'Minor'
+    """
+
+    def __init__(
+        self,
+        other: Union[ParserElement, str],
+        include: bool = False,
+        ignore: typing.Optional[Union[ParserElement, str]] = None,
+        fail_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        failOn: typing.Optional[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(other)
+        failOn = failOn or fail_on
+        if ignore is not None:
+            self.ignore(ignore)
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.includeMatch = include
+        self.saveAsList = False
+        if isinstance(failOn, str_type):
+            self.failOn = self._literalStringClass(failOn)
+        else:
+            self.failOn = failOn
+        self.errmsg = "No match found for " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        startloc = loc
+        instrlen = len(instring)
+        self_expr_parse = self.expr._parse
+        self_failOn_canParseNext = (
+            self.failOn.canParseNext if self.failOn is not None else None
+        )
+        self_preParse = self.preParse if self.callPreparse else None
+
+        tmploc = loc
+        while tmploc <= instrlen:
+            if self_failOn_canParseNext is not None:
+                # break if failOn expression matches
+                if self_failOn_canParseNext(instring, tmploc):
+                    break
+
+            if self_preParse is not None:
+                # skip grammar-ignored expressions
+                tmploc = self_preParse(instring, tmploc)
+
+            try:
+                self_expr_parse(instring, tmploc, doActions=False, callPreParse=False)
+            except (ParseException, IndexError):
+                # no match, advance loc in string
+                tmploc += 1
+            else:
+                # matched skipto expr, done
+                break
+
+        else:
+            # ran off the end of the input string without matching skipto expr, fail
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        # build up return values
+        loc = tmploc
+        skiptext = instring[startloc:loc]
+        skipresult = ParseResults(skiptext)
+
+        if self.includeMatch:
+            loc, mat = self_expr_parse(instring, loc, doActions, callPreParse=False)
+            skipresult += mat
+
+        return loc, skipresult
+
+
+class Forward(ParseElementEnhance):
+    """
+    Forward declaration of an expression to be defined later -
+    used for recursive grammars, such as algebraic infix notation.
+    When the expression is known, it is assigned to the ``Forward``
+    variable using the ``'<<'`` operator.
+
+    Note: take care when assigning to ``Forward`` not to overlook
+    precedence of operators.
+
+    Specifically, ``'|'`` has a lower precedence than ``'<<'``, so that::
+
+        fwd_expr << a | b | c
+
+    will actually be evaluated as::
+
+        (fwd_expr << a) | b | c
+
+    thereby leaving b and c out as parseable alternatives.  It is recommended that you
+    explicitly group the values inserted into the ``Forward``::
+
+        fwd_expr << (a | b | c)
+
+    Converting to use the ``'<<='`` operator instead will avoid this problem.
+
+    See :class:`ParseResults.pprint` for an example of a recursive
+    parser created using ``Forward``.
+    """
+
+    def __init__(self, other: typing.Optional[Union[ParserElement, str]] = None):
+        self.caller_frame = traceback.extract_stack(limit=2)[0]
+        super().__init__(other, savelist=False)  # type: ignore[arg-type]
+        self.lshift_line = None
+
+    def __lshift__(self, other) -> "Forward":
+        if hasattr(self, "caller_frame"):
+            del self.caller_frame
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+
+        self.expr = other
+        self.streamlined = other.streamlined
+        self.mayIndexError = self.expr.mayIndexError
+        self.mayReturnEmpty = self.expr.mayReturnEmpty
+        self.set_whitespace_chars(
+            self.expr.whiteChars, copy_defaults=self.expr.copyDefaultWhiteChars
+        )
+        self.skipWhitespace = self.expr.skipWhitespace
+        self.saveAsList = self.expr.saveAsList
+        self.ignoreExprs.extend(self.expr.ignoreExprs)
+        self.lshift_line = traceback.extract_stack(limit=2)[-2]  # type: ignore[assignment]
+        return self
+
+    def __ilshift__(self, other) -> "Forward":
+        if not isinstance(other, ParserElement):
+            return NotImplemented
+
+        return self << other
+
+    def __or__(self, other) -> "ParserElement":
+        caller_line = traceback.extract_stack(limit=2)[-2]
+        if (
+            __diag__.warn_on_match_first_with_lshift_operator
+            and caller_line == self.lshift_line
+            and Diagnostics.warn_on_match_first_with_lshift_operator
+            not in self.suppress_warnings_
+        ):
+            warnings.warn(
+                "using '<<' operator with '|' is probably an error, use '<<='",
+                stacklevel=2,
+            )
+        ret = super().__or__(other)
+        return ret
+
+    def __del__(self):
+        # see if we are getting dropped because of '=' reassignment of var instead of '<<=' or '<<'
+        if (
+            self.expr is None
+            and __diag__.warn_on_assignment_to_Forward
+            and Diagnostics.warn_on_assignment_to_Forward not in self.suppress_warnings_
+        ):
+            warnings.warn_explicit(
+                "Forward defined here but no expression attached later using '<<=' or '<<'",
+                UserWarning,
+                filename=self.caller_frame.filename,
+                lineno=self.caller_frame.lineno,
+            )
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if (
+            self.expr is None
+            and __diag__.warn_on_parse_using_empty_Forward
+            and Diagnostics.warn_on_parse_using_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            # walk stack until parse_string, scan_string, search_string, or transform_string is found
+            parse_fns = (
+                "parse_string",
+                "scan_string",
+                "search_string",
+                "transform_string",
+            )
+            tb = traceback.extract_stack(limit=200)
+            for i, frm in enumerate(reversed(tb), start=1):
+                if frm.name in parse_fns:
+                    stacklevel = i + 1
+                    break
+            else:
+                stacklevel = 2
+            warnings.warn(
+                "Forward expression was never assigned a value, will not parse any input",
+                stacklevel=stacklevel,
+            )
+        if not ParserElement._left_recursion_enabled:
+            return super().parseImpl(instring, loc, doActions)
+        # ## Bounded Recursion algorithm ##
+        # Recursion only needs to be processed at ``Forward`` elements, since they are
+        # the only ones that can actually refer to themselves. The general idea is
+        # to handle recursion stepwise: We start at no recursion, then recurse once,
+        # recurse twice, ..., until more recursion offers no benefit (we hit the bound).
+        #
+        # The "trick" here is that each ``Forward`` gets evaluated in two contexts
+        # - to *match* a specific recursion level, and
+        # - to *search* the bounded recursion level
+        # and the two run concurrently. The *search* must *match* each recursion level
+        # to find the best possible match. This is handled by a memo table, which
+        # provides the previous match to the next level match attempt.
+        #
+        # See also "Left Recursion in Parsing Expression Grammars", Medeiros et al.
+        #
+        # There is a complication since we not only *parse* but also *transform* via
+        # actions: We do not want to run the actions too often while expanding. Thus,
+        # we expand using `doActions=False` and only run `doActions=True` if the next
+        # recursion level is acceptable.
+        with ParserElement.recursion_lock:
+            memo = ParserElement.recursion_memos
+            try:
+                # we are parsing at a specific recursion expansion - use it as-is
+                prev_loc, prev_result = memo[loc, self, doActions]
+                if isinstance(prev_result, Exception):
+                    raise prev_result
+                return prev_loc, prev_result.copy()
+            except KeyError:
+                act_key = (loc, self, True)
+                peek_key = (loc, self, False)
+                # we are searching for the best recursion expansion - keep on improving
+                # both `doActions` cases must be tracked separately here!
+                prev_loc, prev_peek = memo[peek_key] = (
+                    loc - 1,
+                    ParseException(
+                        instring, loc, "Forward recursion without base case", self
+                    ),
+                )
+                if doActions:
+                    memo[act_key] = memo[peek_key]
+                while True:
+                    try:
+                        new_loc, new_peek = super().parseImpl(instring, loc, False)
+                    except ParseException:
+                        # we failed before getting any match – do not hide the error
+                        if isinstance(prev_peek, Exception):
+                            raise
+                        new_loc, new_peek = prev_loc, prev_peek
+                    # the match did not get better: we are done
+                    if new_loc <= prev_loc:
+                        if doActions:
+                            # replace the match for doActions=False as well,
+                            # in case the action did backtrack
+                            prev_loc, prev_result = memo[peek_key] = memo[act_key]
+                            del memo[peek_key], memo[act_key]
+                            return prev_loc, prev_result.copy()
+                        del memo[peek_key]
+                        return prev_loc, prev_peek.copy()
+                    # the match did get better: see if we can improve further
+                    else:
+                        if doActions:
+                            try:
+                                memo[act_key] = super().parseImpl(instring, loc, True)
+                            except ParseException as e:
+                                memo[peek_key] = memo[act_key] = (new_loc, e)
+                                raise
+                        prev_loc, prev_peek = memo[peek_key] = new_loc, new_peek
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = False
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = True
+        return self
+
+    def streamline(self) -> ParserElement:
+        if not self.streamlined:
+            self.streamlined = True
+            if self.expr is not None:
+                self.expr.streamline()
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        warnings.warn(
+            "ParserElement.validate() is deprecated, and should not be used to check for left recursion",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        if validateTrace is None:
+            validateTrace = []
+
+        if self not in validateTrace:
+            tmp = validateTrace[:] + [self]
+            if self.expr is not None:
+                self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self) -> str:
+        # Avoid infinite recursion by setting a temporary _defaultName
+        self._defaultName = ": ..."
+
+        # Use the string representation of main expression.
+        retString = "..."
+        try:
+            if self.expr is not None:
+                retString = str(self.expr)[:1000]
+            else:
+                retString = "None"
+        finally:
+            return self.__class__.__name__ + ": " + retString
+
+    def copy(self) -> ParserElement:
+        if self.expr is not None:
+            return super().copy()
+        else:
+            ret = Forward()
+            ret <<= self
+            return ret
+
+    def _setResultsName(self, name, list_all_matches=False):
+        if (
+            __diag__.warn_name_set_on_empty_Forward
+            and Diagnostics.warn_name_set_on_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            if self.expr is None:
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "that has no contained expression".format(
+                        "warn_name_set_on_empty_Forward", name, type(self).__name__
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, list_all_matches)
+
+    # Compatibility synonyms
+    # fmt: off
+    @replaced_by_pep8(leave_whitespace)
+    def leaveWhitespace(self): ...
+
+    @replaced_by_pep8(ignore_whitespace)
+    def ignoreWhitespace(self): ...
+    # fmt: on
+
+
+class TokenConverter(ParseElementEnhance):
+    """
+    Abstract subclass of :class:`ParseExpression`, for converting parsed results.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist=False):
+        super().__init__(expr)  # , savelist)
+        self.saveAsList = False
+
+
+class Combine(TokenConverter):
+    """Converter to concatenate all matching tokens to a single string.
+    By default, the matching patterns must also be contiguous in the
+    input string; this can be disabled by specifying
+    ``'adjacent=False'`` in the constructor.
+
+    Example::
+
+        real = Word(nums) + '.' + Word(nums)
+        print(real.parse_string('3.1416')) # -> ['3', '.', '1416']
+        # will also erroneously match the following
+        print(real.parse_string('3. 1416')) # -> ['3', '.', '1416']
+
+        real = Combine(Word(nums) + '.' + Word(nums))
+        print(real.parse_string('3.1416')) # -> ['3.1416']
+        # no match when there are internal spaces
+        print(real.parse_string('3. 1416')) # -> Exception: Expected W:(0123...)
+    """
+
+    def __init__(
+        self,
+        expr: ParserElement,
+        join_string: str = "",
+        adjacent: bool = True,
+        *,
+        joinString: typing.Optional[str] = None,
+    ):
+        super().__init__(expr)
+        joinString = joinString if joinString is not None else join_string
+        # suppress whitespace-stripping in contained parse expressions, but re-enable it on the Combine itself
+        if adjacent:
+            self.leave_whitespace()
+        self.adjacent = adjacent
+        self.skipWhitespace = True
+        self.joinString = joinString
+        self.callPreparse = True
+
+    def ignore(self, other) -> ParserElement:
+        if self.adjacent:
+            ParserElement.ignore(self, other)
+        else:
+            super().ignore(other)
+        return self
+
+    def postParse(self, instring, loc, tokenlist):
+        retToks = tokenlist.copy()
+        del retToks[:]
+        retToks += ParseResults(
+            ["".join(tokenlist._asStringList(self.joinString))], modal=self.modalResults
+        )
+
+        if self.resultsName and retToks.haskeys():
+            return [retToks]
+        else:
+            return retToks
+
+
+class Group(TokenConverter):
+    """Converter to return the matched tokens as a list - useful for
+    returning tokens of :class:`ZeroOrMore` and :class:`OneOrMore` expressions.
+
+    The optional ``aslist`` argument when set to True will return the
+    parsed tokens as a Python list instead of a pyparsing ParseResults.
+
+    Example::
+
+        ident = Word(alphas)
+        num = Word(nums)
+        term = ident | num
+        func = ident + Opt(DelimitedList(term))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', 'a', 'b', '100']
+
+        func = ident + Group(Opt(DelimitedList(term)))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', ['a', 'b', '100']]
+    """
+
+    def __init__(self, expr: ParserElement, aslist: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonList = aslist
+
+    def postParse(self, instring, loc, tokenlist):
+        if self._asPythonList:
+            return ParseResults.List(
+                tokenlist.asList()
+                if isinstance(tokenlist, ParseResults)
+                else list(tokenlist)
+            )
+        else:
+            return [tokenlist]
+
+
+class Dict(TokenConverter):
+    """Converter to return a repetitive expression as a list, but also
+    as a dictionary. Each element can also be referenced using the first
+    token in the expression as its key. Useful for tabular report
+    scraping when the first column can be used as a item key.
+
+    The optional ``asdict`` argument when set to True will return the
+    parsed tokens as a Python dict instead of a pyparsing ParseResults.
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        # print attributes as plain groups
+        print(attr_expr[1, ...].parse_string(text).dump())
+
+        # instead of OneOrMore(expr), parse using Dict(Group(expr)[1, ...]) - Dict will auto-assign names
+        result = Dict(Group(attr_expr)[1, ...]).parse_string(text)
+        print(result.dump())
+
+        # access named fields as dict entries, or output as dict
+        print(result['shape'])
+        print(result.as_dict())
+
+    prints::
+
+        ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap']
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: 'light blue'
+        - posn: 'upper left'
+        - shape: 'SQUARE'
+        - texture: 'burlap'
+        SQUARE
+        {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'}
+
+    See more examples at :class:`ParseResults` of accessing fields by results name.
+    """
+
+    def __init__(self, expr: ParserElement, asdict: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonDict = asdict
+
+    def postParse(self, instring, loc, tokenlist):
+        for i, tok in enumerate(tokenlist):
+            if len(tok) == 0:
+                continue
+
+            ikey = tok[0]
+            if isinstance(ikey, int):
+                ikey = str(ikey).strip()
+
+            if len(tok) == 1:
+                tokenlist[ikey] = _ParseResultsWithOffset("", i)
+
+            elif len(tok) == 2 and not isinstance(tok[1], ParseResults):
+                tokenlist[ikey] = _ParseResultsWithOffset(tok[1], i)
+
+            else:
+                try:
+                    dictvalue = tok.copy()  # ParseResults(i)
+                except Exception:
+                    exc = TypeError(
+                        "could not extract dict values from parsed results"
+                        " - Dict expression must contain Grouped expressions"
+                    )
+                    raise exc from None
+
+                del dictvalue[0]
+
+                if len(dictvalue) != 1 or (
+                    isinstance(dictvalue, ParseResults) and dictvalue.haskeys()
+                ):
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue, i)
+                else:
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue[0], i)
+
+        if self._asPythonDict:
+            return [tokenlist.as_dict()] if self.resultsName else tokenlist.as_dict()
+        else:
+            return [tokenlist] if self.resultsName else tokenlist
+
+
+class Suppress(TokenConverter):
+    """Converter for ignoring the results of a parsed expression.
+
+    Example::
+
+        source = "a, b, c,d"
+        wd = Word(alphas)
+        wd_list1 = wd + (',' + wd)[...]
+        print(wd_list1.parse_string(source))
+
+        # often, delimiters that are useful during parsing are just in the
+        # way afterward - use Suppress to keep them out of the parsed output
+        wd_list2 = wd + (Suppress(',') + wd)[...]
+        print(wd_list2.parse_string(source))
+
+        # Skipped text (using '...') can be suppressed as well
+        source = "lead in START relevant text END trailing text"
+        start_marker = Keyword("START")
+        end_marker = Keyword("END")
+        find_body = Suppress(...) + start_marker + ... + end_marker
+        print(find_body.parse_string(source)
+
+    prints::
+
+        ['a', ',', 'b', ',', 'c', ',', 'd']
+        ['a', 'b', 'c', 'd']
+        ['START', 'relevant text ', 'END']
+
+    (See also :class:`DelimitedList`.)
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        if expr is ...:
+            expr = _PendingSkip(NoMatch())
+        super().__init__(expr)
+
+    def __add__(self, other) -> "ParserElement":
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) + other
+        else:
+            return super().__add__(other)
+
+    def __sub__(self, other) -> "ParserElement":
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) - other
+        else:
+            return super().__sub__(other)
+
+    def postParse(self, instring, loc, tokenlist):
+        return []
+
+    def suppress(self) -> ParserElement:
+        return self
+
+
+def trace_parse_action(f: ParseAction) -> ParseAction:
+    """Decorator for debugging parse actions.
+
+    When the parse action is called, this decorator will print
+    ``">> entering method-name(line:<current_source_line>, <parse_location>, <matched_tokens>)"``.
+    When the parse action completes, the decorator will print
+    ``"<<"`` followed by the returned value, or any exception that the parse action raised.
+
+    Example::
+
+        wd = Word(alphas)
+
+        @trace_parse_action
+        def remove_duplicate_chars(tokens):
+            return ''.join(sorted(set(''.join(tokens))))
+
+        wds = wd[1, ...].set_parse_action(remove_duplicate_chars)
+        print(wds.parse_string("slkdjs sld sldd sdlf sdljf"))
+
+    prints::
+
+        >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {}))
+        <<leaving remove_duplicate_chars (ret: 'dfjkls')
+        ['dfjkls']
+    """
+    f = _trim_arity(f)
+
+    def z(*paArgs):
+        thisFunc = f.__name__
+        s, l, t = paArgs[-3:]
+        if len(paArgs) > 3:
+            thisFunc = paArgs[0].__class__.__name__ + "." + thisFunc
+        sys.stderr.write(f">>entering {thisFunc}(line: {line(l, s)!r}, {l}, {t!r})\n")
+        try:
+            ret = f(*paArgs)
+        except Exception as exc:
+            sys.stderr.write(f"<<leaving {thisFunc} (exception: {exc})\n")
+            raise
+        sys.stderr.write(f"<<leaving {thisFunc} (ret: {ret!r})\n")
+        return ret
+
+    z.__name__ = f.__name__
+    return z
+
+
+# convenience constants for positional expressions
+empty = Empty().set_name("empty")
+line_start = LineStart().set_name("line_start")
+line_end = LineEnd().set_name("line_end")
+string_start = StringStart().set_name("string_start")
+string_end = StringEnd().set_name("string_end")
+
+_escapedPunc = Regex(r"\\[\\[\]\/\-\*\.\$\+\^\?()~ ]").set_parse_action(
+    lambda s, l, t: t[0][1]
+)
+_escapedHexChar = Regex(r"\\0?[xX][0-9a-fA-F]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0].lstrip(r"\0x"), 16))
+)
+_escapedOctChar = Regex(r"\\0[0-7]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0][1:], 8))
+)
+_singleChar = (
+    _escapedPunc | _escapedHexChar | _escapedOctChar | CharsNotIn(r"\]", exact=1)
+)
+_charRange = Group(_singleChar + Suppress("-") + _singleChar)
+_reBracketExpr = (
+    Literal("[")
+    + Opt("^").set_results_name("negate")
+    + Group(OneOrMore(_charRange | _singleChar)).set_results_name("body")
+    + Literal("]")
+)
+
+
+def srange(s: str) -> str:
+    r"""Helper to easily define string ranges for use in :class:`Word`
+    construction. Borrows syntax from regexp ``'[]'`` string range
+    definitions::
+
+        srange("[0-9]")   -> "0123456789"
+        srange("[a-z]")   -> "abcdefghijklmnopqrstuvwxyz"
+        srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_"
+
+    The input string must be enclosed in []'s, and the returned string
+    is the expanded character set joined into a single string. The
+    values enclosed in the []'s may be:
+
+    - a single character
+    - an escaped character with a leading backslash (such as ``\-``
+      or ``\]``)
+    - an escaped hex character with a leading ``'\x'``
+      (``\x21``, which is a ``'!'`` character) (``\0x##``
+      is also supported for backwards compatibility)
+    - an escaped octal character with a leading ``'\0'``
+      (``\041``, which is a ``'!'`` character)
+    - a range of any of the above, separated by a dash (``'a-z'``,
+      etc.)
+    - any combination of the above (``'aeiouy'``,
+      ``'a-zA-Z0-9_$'``, etc.)
+    """
+    _expanded = (
+        lambda p: p
+        if not isinstance(p, ParseResults)
+        else "".join(chr(c) for c in range(ord(p[0]), ord(p[1]) + 1))
+    )
+    try:
+        return "".join(_expanded(part) for part in _reBracketExpr.parse_string(s).body)
+    except Exception as e:
+        return ""
+
+
+def token_map(func, *args) -> ParseAction:
+    """Helper to define a parse action by mapping a function to all
+    elements of a :class:`ParseResults` list. If any additional args are passed,
+    they are forwarded to the given function as additional arguments
+    after the token, as in
+    ``hex_integer = Word(hexnums).set_parse_action(token_map(int, 16))``,
+    which will convert the parsed data to an integer using base 16.
+
+    Example (compare the last to example in :class:`ParserElement.transform_string`::
+
+        hex_ints = Word(hexnums)[1, ...].set_parse_action(token_map(int, 16))
+        hex_ints.run_tests('''
+            00 11 22 aa FF 0a 0d 1a
+            ''')
+
+        upperword = Word(alphas).set_parse_action(token_map(str.upper))
+        upperword[1, ...].run_tests('''
+            my kingdom for a horse
+            ''')
+
+        wd = Word(alphas).set_parse_action(token_map(str.title))
+        wd[1, ...].set_parse_action(' '.join).run_tests('''
+            now is the winter of our discontent made glorious summer by this sun of york
+            ''')
+
+    prints::
+
+        00 11 22 aa FF 0a 0d 1a
+        [0, 17, 34, 170, 255, 10, 13, 26]
+
+        my kingdom for a horse
+        ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE']
+
+        now is the winter of our discontent made glorious summer by this sun of york
+        ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York']
+    """
+
+    def pa(s, l, t):
+        return [func(tokn, *args) for tokn in t]
+
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    pa.__name__ = func_name
+
+    return pa
+
+
+def autoname_elements() -> None:
+    """
+    Utility to simplify mass-naming of parser elements, for
+    generating railroad diagram with named subdiagrams.
+    """
+    calling_frame = sys._getframe().f_back
+    if calling_frame is None:
+        return
+    calling_frame = typing.cast(types.FrameType, calling_frame)
+    for name, var in calling_frame.f_locals.items():
+        if isinstance(var, ParserElement) and not var.customName:
+            var.set_name(name)
+
+
+dbl_quoted_string = Combine(
+    Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"'
+).set_name("string enclosed in double quotes")
+
+sgl_quoted_string = Combine(
+    Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'"
+).set_name("string enclosed in single quotes")
+
+quoted_string = Combine(
+    (Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"').set_name(
+        "double quoted string"
+    )
+    | (Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'").set_name(
+        "single quoted string"
+    )
+).set_name("quoted string using single or double quotes")
+
+python_quoted_string = Combine(
+    (Regex(r'"""(?:[^"\\]|""(?!")|"(?!"")|\\.)*', flags=re.MULTILINE) + '"""').set_name(
+        "multiline double quoted string"
+    )
+    ^ (
+        Regex(r"'''(?:[^'\\]|''(?!')|'(?!'')|\\.)*", flags=re.MULTILINE) + "'''"
+    ).set_name("multiline single quoted string")
+    ^ (Regex(r'"(?:[^"\n\r\\]|(?:\\")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"').set_name(
+        "double quoted string"
+    )
+    ^ (Regex(r"'(?:[^'\n\r\\]|(?:\\')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'").set_name(
+        "single quoted string"
+    )
+).set_name("Python quoted string")
+
+unicode_string = Combine("u" + quoted_string.copy()).set_name("unicode string literal")
+
+
+alphas8bit = srange(r"[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]")
+punc8bit = srange(r"[\0xa1-\0xbf\0xd7\0xf7]")
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs: List[ParserElement] = [
+    v for v in vars().values() if isinstance(v, ParserElement)
+]
+
+# backward compatibility names
+# fmt: off
+sglQuotedString = sgl_quoted_string
+dblQuotedString = dbl_quoted_string
+quotedString = quoted_string
+unicodeString = unicode_string
+lineStart = line_start
+lineEnd = line_end
+stringStart = string_start
+stringEnd = string_end
+
+@replaced_by_pep8(null_debug_action)
+def nullDebugAction(): ...
+
+@replaced_by_pep8(trace_parse_action)
+def traceParseAction(): ...
+
+@replaced_by_pep8(condition_as_parse_action)
+def conditionAsParseAction(): ...
+
+@replaced_by_pep8(token_map)
+def tokenMap(): ...
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/diagram/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/diagram/__init__.py
new file mode 100644
index 00000000..83f9018e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/diagram/__init__.py
@@ -0,0 +1,656 @@
+# mypy: ignore-errors
+import railroad
+from pip._vendor import pyparsing
+import typing
+from typing import (
+    List,
+    NamedTuple,
+    Generic,
+    TypeVar,
+    Dict,
+    Callable,
+    Set,
+    Iterable,
+)
+from jinja2 import Template
+from io import StringIO
+import inspect
+
+
+jinja2_template_source = """\
+{% if not embed %}
+<!DOCTYPE html>
+<html>
+<head>
+{% endif %}
+    {% if not head %}
+        <style>
+            .railroad-heading {
+                font-family: monospace;
+            }
+        </style>
+    {% else %}
+        {{ head | safe }}
+    {% endif %}
+{% if not embed %}
+</head>
+<body>
+{% endif %}
+{{ body | safe }}
+{% for diagram in diagrams %}
+    <div class="railroad-group">
+        <h1 class="railroad-heading">{{ diagram.title }}</h1>
+        <div class="railroad-description">{{ diagram.text }}</div>
+        <div class="railroad-svg">
+            {{ diagram.svg }}
+        </div>
+    </div>
+{% endfor %}
+{% if not embed %}
+</body>
+</html>
+{% endif %}
+"""
+
+template = Template(jinja2_template_source)
+
+# Note: ideally this would be a dataclass, but we're supporting Python 3.5+ so we can't do this yet
+NamedDiagram = NamedTuple(
+    "NamedDiagram",
+    [("name", str), ("diagram", typing.Optional[railroad.DiagramItem]), ("index", int)],
+)
+"""
+A simple structure for associating a name with a railroad diagram
+"""
+
+T = TypeVar("T")
+
+
+class EachItem(railroad.Group):
+    """
+    Custom railroad item to compose a:
+    - Group containing a
+      - OneOrMore containing a
+        - Choice of the elements in the Each
+    with the group label indicating that all must be matched
+    """
+
+    all_label = "[ALL]"
+
+    def __init__(self, *items):
+        choice_item = railroad.Choice(len(items) - 1, *items)
+        one_or_more_item = railroad.OneOrMore(item=choice_item)
+        super().__init__(one_or_more_item, label=self.all_label)
+
+
+class AnnotatedItem(railroad.Group):
+    """
+    Simple subclass of Group that creates an annotation label
+    """
+
+    def __init__(self, label: str, item):
+        super().__init__(item=item, label="[{}]".format(label) if label else label)
+
+
+class EditablePartial(Generic[T]):
+    """
+    Acts like a functools.partial, but can be edited. In other words, it represents a type that hasn't yet been
+    constructed.
+    """
+
+    # We need this here because the railroad constructors actually transform the data, so can't be called until the
+    # entire tree is assembled
+
+    def __init__(self, func: Callable[..., T], args: list, kwargs: dict):
+        self.func = func
+        self.args = args
+        self.kwargs = kwargs
+
+    @classmethod
+    def from_call(cls, func: Callable[..., T], *args, **kwargs) -> "EditablePartial[T]":
+        """
+        If you call this function in the same way that you would call the constructor, it will store the arguments
+        as you expect. For example EditablePartial.from_call(Fraction, 1, 3)() == Fraction(1, 3)
+        """
+        return EditablePartial(func=func, args=list(args), kwargs=kwargs)
+
+    @property
+    def name(self):
+        return self.kwargs["name"]
+
+    def __call__(self) -> T:
+        """
+        Evaluate the partial and return the result
+        """
+        args = self.args.copy()
+        kwargs = self.kwargs.copy()
+
+        # This is a helpful hack to allow you to specify varargs parameters (e.g. *args) as keyword args (e.g.
+        # args=['list', 'of', 'things'])
+        arg_spec = inspect.getfullargspec(self.func)
+        if arg_spec.varargs in self.kwargs:
+            args += kwargs.pop(arg_spec.varargs)
+
+        return self.func(*args, **kwargs)
+
+
+def railroad_to_html(diagrams: List[NamedDiagram], embed=False, **kwargs) -> str:
+    """
+    Given a list of NamedDiagram, produce a single HTML string that visualises those diagrams
+    :params kwargs: kwargs to be passed in to the template
+    """
+    data = []
+    for diagram in diagrams:
+        if diagram.diagram is None:
+            continue
+        io = StringIO()
+        try:
+            css = kwargs.get('css')
+            diagram.diagram.writeStandalone(io.write, css=css)
+        except AttributeError:
+            diagram.diagram.writeSvg(io.write)
+        title = diagram.name
+        if diagram.index == 0:
+            title += " (root)"
+        data.append({"title": title, "text": "", "svg": io.getvalue()})
+
+    return template.render(diagrams=data, embed=embed, **kwargs)
+
+
+def resolve_partial(partial: "EditablePartial[T]") -> T:
+    """
+    Recursively resolves a collection of Partials into whatever type they are
+    """
+    if isinstance(partial, EditablePartial):
+        partial.args = resolve_partial(partial.args)
+        partial.kwargs = resolve_partial(partial.kwargs)
+        return partial()
+    elif isinstance(partial, list):
+        return [resolve_partial(x) for x in partial]
+    elif isinstance(partial, dict):
+        return {key: resolve_partial(x) for key, x in partial.items()}
+    else:
+        return partial
+
+
+def to_railroad(
+    element: pyparsing.ParserElement,
+    diagram_kwargs: typing.Optional[dict] = None,
+    vertical: int = 3,
+    show_results_names: bool = False,
+    show_groups: bool = False,
+) -> List[NamedDiagram]:
+    """
+    Convert a pyparsing element tree into a list of diagrams. This is the recommended entrypoint to diagram
+    creation if you want to access the Railroad tree before it is converted to HTML
+    :param element: base element of the parser being diagrammed
+    :param diagram_kwargs: kwargs to pass to the Diagram() constructor
+    :param vertical: (optional) - int - limit at which number of alternatives should be
+       shown vertically instead of horizontally
+    :param show_results_names - bool to indicate whether results name annotations should be
+       included in the diagram
+    :param show_groups - bool to indicate whether groups should be highlighted with an unlabeled
+       surrounding box
+    """
+    # Convert the whole tree underneath the root
+    lookup = ConverterState(diagram_kwargs=diagram_kwargs or {})
+    _to_diagram_element(
+        element,
+        lookup=lookup,
+        parent=None,
+        vertical=vertical,
+        show_results_names=show_results_names,
+        show_groups=show_groups,
+    )
+
+    root_id = id(element)
+    # Convert the root if it hasn't been already
+    if root_id in lookup:
+        if not element.customName:
+            lookup[root_id].name = ""
+        lookup[root_id].mark_for_extraction(root_id, lookup, force=True)
+
+    # Now that we're finished, we can convert from intermediate structures into Railroad elements
+    diags = list(lookup.diagrams.values())
+    if len(diags) > 1:
+        # collapse out duplicate diags with the same name
+        seen = set()
+        deduped_diags = []
+        for d in diags:
+            # don't extract SkipTo elements, they are uninformative as subdiagrams
+            if d.name == "...":
+                continue
+            if d.name is not None and d.name not in seen:
+                seen.add(d.name)
+                deduped_diags.append(d)
+        resolved = [resolve_partial(partial) for partial in deduped_diags]
+    else:
+        # special case - if just one diagram, always display it, even if
+        # it has no name
+        resolved = [resolve_partial(partial) for partial in diags]
+    return sorted(resolved, key=lambda diag: diag.index)
+
+
+def _should_vertical(
+    specification: int, exprs: Iterable[pyparsing.ParserElement]
+) -> bool:
+    """
+    Returns true if we should return a vertical list of elements
+    """
+    if specification is None:
+        return False
+    else:
+        return len(_visible_exprs(exprs)) >= specification
+
+
+class ElementState:
+    """
+    State recorded for an individual pyparsing Element
+    """
+
+    # Note: this should be a dataclass, but we have to support Python 3.5
+    def __init__(
+        self,
+        element: pyparsing.ParserElement,
+        converted: EditablePartial,
+        parent: EditablePartial,
+        number: int,
+        name: str = None,
+        parent_index: typing.Optional[int] = None,
+    ):
+        #: The pyparsing element that this represents
+        self.element: pyparsing.ParserElement = element
+        #: The name of the element
+        self.name: typing.Optional[str] = name
+        #: The output Railroad element in an unconverted state
+        self.converted: EditablePartial = converted
+        #: The parent Railroad element, which we store so that we can extract this if it's duplicated
+        self.parent: EditablePartial = parent
+        #: The order in which we found this element, used for sorting diagrams if this is extracted into a diagram
+        self.number: int = number
+        #: The index of this inside its parent
+        self.parent_index: typing.Optional[int] = parent_index
+        #: If true, we should extract this out into a subdiagram
+        self.extract: bool = False
+        #: If true, all of this element's children have been filled out
+        self.complete: bool = False
+
+    def mark_for_extraction(
+        self, el_id: int, state: "ConverterState", name: str = None, force: bool = False
+    ):
+        """
+        Called when this instance has been seen twice, and thus should eventually be extracted into a sub-diagram
+        :param el_id: id of the element
+        :param state: element/diagram state tracker
+        :param name: name to use for this element's text
+        :param force: If true, force extraction now, regardless of the state of this. Only useful for extracting the
+        root element when we know we're finished
+        """
+        self.extract = True
+
+        # Set the name
+        if not self.name:
+            if name:
+                # Allow forcing a custom name
+                self.name = name
+            elif self.element.customName:
+                self.name = self.element.customName
+            else:
+                self.name = ""
+
+        # Just because this is marked for extraction doesn't mean we can do it yet. We may have to wait for children
+        # to be added
+        # Also, if this is just a string literal etc, don't bother extracting it
+        if force or (self.complete and _worth_extracting(self.element)):
+            state.extract_into_diagram(el_id)
+
+
+class ConverterState:
+    """
+    Stores some state that persists between recursions into the element tree
+    """
+
+    def __init__(self, diagram_kwargs: typing.Optional[dict] = None):
+        #: A dictionary mapping ParserElements to state relating to them
+        self._element_diagram_states: Dict[int, ElementState] = {}
+        #: A dictionary mapping ParserElement IDs to subdiagrams generated from them
+        self.diagrams: Dict[int, EditablePartial[NamedDiagram]] = {}
+        #: The index of the next unnamed element
+        self.unnamed_index: int = 1
+        #: The index of the next element. This is used for sorting
+        self.index: int = 0
+        #: Shared kwargs that are used to customize the construction of diagrams
+        self.diagram_kwargs: dict = diagram_kwargs or {}
+        self.extracted_diagram_names: Set[str] = set()
+
+    def __setitem__(self, key: int, value: ElementState):
+        self._element_diagram_states[key] = value
+
+    def __getitem__(self, key: int) -> ElementState:
+        return self._element_diagram_states[key]
+
+    def __delitem__(self, key: int):
+        del self._element_diagram_states[key]
+
+    def __contains__(self, key: int):
+        return key in self._element_diagram_states
+
+    def generate_unnamed(self) -> int:
+        """
+        Generate a number used in the name of an otherwise unnamed diagram
+        """
+        self.unnamed_index += 1
+        return self.unnamed_index
+
+    def generate_index(self) -> int:
+        """
+        Generate a number used to index a diagram
+        """
+        self.index += 1
+        return self.index
+
+    def extract_into_diagram(self, el_id: int):
+        """
+        Used when we encounter the same token twice in the same tree. When this
+        happens, we replace all instances of that token with a terminal, and
+        create a new subdiagram for the token
+        """
+        position = self[el_id]
+
+        # Replace the original definition of this element with a regular block
+        if position.parent:
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=position.name)
+            if "item" in position.parent.kwargs:
+                position.parent.kwargs["item"] = ret
+            elif "items" in position.parent.kwargs:
+                position.parent.kwargs["items"][position.parent_index] = ret
+
+        # If the element we're extracting is a group, skip to its content but keep the title
+        if position.converted.func == railroad.Group:
+            content = position.converted.kwargs["item"]
+        else:
+            content = position.converted
+
+        self.diagrams[el_id] = EditablePartial.from_call(
+            NamedDiagram,
+            name=position.name,
+            diagram=EditablePartial.from_call(
+                railroad.Diagram, content, **self.diagram_kwargs
+            ),
+            index=position.number,
+        )
+
+        del self[el_id]
+
+
+def _worth_extracting(element: pyparsing.ParserElement) -> bool:
+    """
+    Returns true if this element is worth having its own sub-diagram. Simply, if any of its children
+    themselves have children, then its complex enough to extract
+    """
+    children = element.recurse()
+    return any(child.recurse() for child in children)
+
+
+def _apply_diagram_item_enhancements(fn):
+    """
+    decorator to ensure enhancements to a diagram item (such as results name annotations)
+    get applied on return from _to_diagram_element (we do this since there are several
+    returns in _to_diagram_element)
+    """
+
+    def _inner(
+        element: pyparsing.ParserElement,
+        parent: typing.Optional[EditablePartial],
+        lookup: ConverterState = None,
+        vertical: int = None,
+        index: int = 0,
+        name_hint: str = None,
+        show_results_names: bool = False,
+        show_groups: bool = False,
+    ) -> typing.Optional[EditablePartial]:
+        ret = fn(
+            element,
+            parent,
+            lookup,
+            vertical,
+            index,
+            name_hint,
+            show_results_names,
+            show_groups,
+        )
+
+        # apply annotation for results name, if present
+        if show_results_names and ret is not None:
+            element_results_name = element.resultsName
+            if element_results_name:
+                # add "*" to indicate if this is a "list all results" name
+                element_results_name += "" if element.modalResults else "*"
+                ret = EditablePartial.from_call(
+                    railroad.Group, item=ret, label=element_results_name
+                )
+
+        return ret
+
+    return _inner
+
+
+def _visible_exprs(exprs: Iterable[pyparsing.ParserElement]):
+    non_diagramming_exprs = (
+        pyparsing.ParseElementEnhance,
+        pyparsing.PositionToken,
+        pyparsing.And._ErrorStop,
+    )
+    return [
+        e
+        for e in exprs
+        if not (e.customName or e.resultsName or isinstance(e, non_diagramming_exprs))
+    ]
+
+
+@_apply_diagram_item_enhancements
+def _to_diagram_element(
+    element: pyparsing.ParserElement,
+    parent: typing.Optional[EditablePartial],
+    lookup: ConverterState = None,
+    vertical: int = None,
+    index: int = 0,
+    name_hint: str = None,
+    show_results_names: bool = False,
+    show_groups: bool = False,
+) -> typing.Optional[EditablePartial]:
+    """
+    Recursively converts a PyParsing Element to a railroad Element
+    :param lookup: The shared converter state that keeps track of useful things
+    :param index: The index of this element within the parent
+    :param parent: The parent of this element in the output tree
+    :param vertical: Controls at what point we make a list of elements vertical. If this is an integer (the default),
+    it sets the threshold of the number of items before we go vertical. If True, always go vertical, if False, never
+    do so
+    :param name_hint: If provided, this will override the generated name
+    :param show_results_names: bool flag indicating whether to add annotations for results names
+    :returns: The converted version of the input element, but as a Partial that hasn't yet been constructed
+    :param show_groups: bool flag indicating whether to show groups using bounding box
+    """
+    exprs = element.recurse()
+    name = name_hint or element.customName or element.__class__.__name__
+
+    # Python's id() is used to provide a unique identifier for elements
+    el_id = id(element)
+
+    element_results_name = element.resultsName
+
+    # Here we basically bypass processing certain wrapper elements if they contribute nothing to the diagram
+    if not element.customName:
+        if isinstance(
+            element,
+            (
+                # pyparsing.TokenConverter,
+                # pyparsing.Forward,
+                pyparsing.Located,
+            ),
+        ):
+            # However, if this element has a useful custom name, and its child does not, we can pass it on to the child
+            if exprs:
+                if not exprs[0].customName:
+                    propagated_name = name
+                else:
+                    propagated_name = None
+
+                return _to_diagram_element(
+                    element.expr,
+                    parent=parent,
+                    lookup=lookup,
+                    vertical=vertical,
+                    index=index,
+                    name_hint=propagated_name,
+                    show_results_names=show_results_names,
+                    show_groups=show_groups,
+                )
+
+    # If the element isn't worth extracting, we always treat it as the first time we say it
+    if _worth_extracting(element):
+        if el_id in lookup:
+            # If we've seen this element exactly once before, we are only just now finding out that it's a duplicate,
+            # so we have to extract it into a new diagram.
+            looked_up = lookup[el_id]
+            looked_up.mark_for_extraction(el_id, lookup, name=name_hint)
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=looked_up.name)
+            return ret
+
+        elif el_id in lookup.diagrams:
+            # If we have seen the element at least twice before, and have already extracted it into a subdiagram, we
+            # just put in a marker element that refers to the sub-diagram
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+            return ret
+
+    # Recursively convert child elements
+    # Here we find the most relevant Railroad element for matching pyparsing Element
+    # We use ``items=[]`` here to hold the place for where the child elements will go once created
+    if isinstance(element, pyparsing.And):
+        # detect And's created with ``expr*N`` notation - for these use a OneOrMore with a repeat
+        # (all will have the same name, and resultsName)
+        if not exprs:
+            return None
+        if len(set((e.name, e.resultsName) for e in exprs)) == 1:
+            ret = EditablePartial.from_call(
+                railroad.OneOrMore, item="", repeat=str(len(exprs))
+            )
+        elif _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Stack, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif isinstance(element, (pyparsing.Or, pyparsing.MatchFirst)):
+        if not exprs:
+            return None
+        if _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Choice, 0, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.HorizontalChoice, items=[])
+    elif isinstance(element, pyparsing.Each):
+        if not exprs:
+            return None
+        ret = EditablePartial.from_call(EachItem, items=[])
+    elif isinstance(element, pyparsing.NotAny):
+        ret = EditablePartial.from_call(AnnotatedItem, label="NOT", item="")
+    elif isinstance(element, pyparsing.FollowedBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKAHEAD", item="")
+    elif isinstance(element, pyparsing.PrecededBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKBEHIND", item="")
+    elif isinstance(element, pyparsing.Group):
+        if show_groups:
+            ret = EditablePartial.from_call(AnnotatedItem, label="", item="")
+        else:
+            ret = EditablePartial.from_call(railroad.Group, label="", item="")
+    elif isinstance(element, pyparsing.TokenConverter):
+        label = type(element).__name__.lower()
+        if label == "tokenconverter":
+            ret = EditablePartial.from_call(railroad.Sequence, items=[])
+        else:
+            ret = EditablePartial.from_call(AnnotatedItem, label=label, item="")
+    elif isinstance(element, pyparsing.Opt):
+        ret = EditablePartial.from_call(railroad.Optional, item="")
+    elif isinstance(element, pyparsing.OneOrMore):
+        ret = EditablePartial.from_call(railroad.OneOrMore, item="")
+    elif isinstance(element, pyparsing.ZeroOrMore):
+        ret = EditablePartial.from_call(railroad.ZeroOrMore, item="")
+    elif isinstance(element, pyparsing.Group):
+        ret = EditablePartial.from_call(
+            railroad.Group, item=None, label=element_results_name
+        )
+    elif isinstance(element, pyparsing.Empty) and not element.customName:
+        # Skip unnamed "Empty" elements
+        ret = None
+    elif isinstance(element, pyparsing.ParseElementEnhance):
+        ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif len(exprs) > 0 and not element_results_name:
+        ret = EditablePartial.from_call(railroad.Group, item="", label=name)
+    elif len(exprs) > 0:
+        ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    else:
+        terminal = EditablePartial.from_call(railroad.Terminal, element.defaultName)
+        ret = terminal
+
+    if ret is None:
+        return
+
+    # Indicate this element's position in the tree so we can extract it if necessary
+    lookup[el_id] = ElementState(
+        element=element,
+        converted=ret,
+        parent=parent,
+        parent_index=index,
+        number=lookup.generate_index(),
+    )
+    if element.customName:
+        lookup[el_id].mark_for_extraction(el_id, lookup, element.customName)
+
+    i = 0
+    for expr in exprs:
+        # Add a placeholder index in case we have to extract the child before we even add it to the parent
+        if "items" in ret.kwargs:
+            ret.kwargs["items"].insert(i, None)
+
+        item = _to_diagram_element(
+            expr,
+            parent=ret,
+            lookup=lookup,
+            vertical=vertical,
+            index=i,
+            show_results_names=show_results_names,
+            show_groups=show_groups,
+        )
+
+        # Some elements don't need to be shown in the diagram
+        if item is not None:
+            if "item" in ret.kwargs:
+                ret.kwargs["item"] = item
+            elif "items" in ret.kwargs:
+                # If we've already extracted the child, don't touch this index, since it's occupied by a nonterminal
+                ret.kwargs["items"][i] = item
+                i += 1
+        elif "items" in ret.kwargs:
+            # If we're supposed to skip this element, remove it from the parent
+            del ret.kwargs["items"][i]
+
+    # If all this items children are none, skip this item
+    if ret and (
+        ("items" in ret.kwargs and len(ret.kwargs["items"]) == 0)
+        or ("item" in ret.kwargs and ret.kwargs["item"] is None)
+    ):
+        ret = EditablePartial.from_call(railroad.Terminal, name)
+
+    # Mark this element as "complete", ie it has all of its children
+    if el_id in lookup:
+        lookup[el_id].complete = True
+
+    if el_id in lookup and lookup[el_id].extract and lookup[el_id].complete:
+        lookup.extract_into_diagram(el_id)
+        if ret is not None:
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+
+    return ret
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/exceptions.py
new file mode 100644
index 00000000..12219f12
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/exceptions.py
@@ -0,0 +1,299 @@
+# exceptions.py
+
+import re
+import sys
+import typing
+
+from .util import (
+    col,
+    line,
+    lineno,
+    _collapse_string_to_ranges,
+    replaced_by_pep8,
+)
+from .unicode import pyparsing_unicode as ppu
+
+
+class ExceptionWordUnicode(ppu.Latin1, ppu.LatinA, ppu.LatinB, ppu.Greek, ppu.Cyrillic):
+    pass
+
+
+_extract_alphanums = _collapse_string_to_ranges(ExceptionWordUnicode.alphanums)
+_exception_word_extractor = re.compile("([" + _extract_alphanums + "]{1,16})|.")
+
+
+class ParseBaseException(Exception):
+    """base exception class for all parsing runtime exceptions"""
+
+    loc: int
+    msg: str
+    pstr: str
+    parser_element: typing.Any  # "ParserElement"
+    args: typing.Tuple[str, int, typing.Optional[str]]
+
+    __slots__ = (
+        "loc",
+        "msg",
+        "pstr",
+        "parser_element",
+        "args",
+    )
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self,
+        pstr: str,
+        loc: int = 0,
+        msg: typing.Optional[str] = None,
+        elem=None,
+    ):
+        self.loc = loc
+        if msg is None:
+            self.msg = pstr
+            self.pstr = ""
+        else:
+            self.msg = msg
+            self.pstr = pstr
+        self.parser_element = elem
+        self.args = (pstr, loc, msg)
+
+    @staticmethod
+    def explain_exception(exc, depth=16):
+        """
+        Method to take an exception and translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - exc - exception raised during parsing (need not be a ParseException, in support
+          of Python exceptions that might be raised in a parse action)
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+        """
+        import inspect
+        from .core import ParserElement
+
+        if depth is None:
+            depth = sys.getrecursionlimit()
+        ret = []
+        if isinstance(exc, ParseBaseException):
+            ret.append(exc.line)
+            ret.append(" " * (exc.column - 1) + "^")
+        ret.append(f"{type(exc).__name__}: {exc}")
+
+        if depth > 0:
+            callers = inspect.getinnerframes(exc.__traceback__, context=depth)
+            seen = set()
+            for i, ff in enumerate(callers[-depth:]):
+                frm = ff[0]
+
+                f_self = frm.f_locals.get("self", None)
+                if isinstance(f_self, ParserElement):
+                    if not frm.f_code.co_name.startswith(
+                        ("parseImpl", "_parseNoCache")
+                    ):
+                        continue
+                    if id(f_self) in seen:
+                        continue
+                    seen.add(id(f_self))
+
+                    self_type = type(f_self)
+                    ret.append(
+                        f"{self_type.__module__}.{self_type.__name__} - {f_self}"
+                    )
+
+                elif f_self is not None:
+                    self_type = type(f_self)
+                    ret.append(f"{self_type.__module__}.{self_type.__name__}")
+
+                else:
+                    code = frm.f_code
+                    if code.co_name in ("wrapper", "<module>"):
+                        continue
+
+                    ret.append(code.co_name)
+
+                depth -= 1
+                if not depth:
+                    break
+
+        return "\n".join(ret)
+
+    @classmethod
+    def _from_exception(cls, pe):
+        """
+        internal factory method to simplify creating one type of ParseException
+        from another - avoids having __init__ signature conflicts among subclasses
+        """
+        return cls(pe.pstr, pe.loc, pe.msg, pe.parser_element)
+
+    @property
+    def line(self) -> str:
+        """
+        Return the line of text where the exception occurred.
+        """
+        return line(self.loc, self.pstr)
+
+    @property
+    def lineno(self) -> int:
+        """
+        Return the 1-based line number of text where the exception occurred.
+        """
+        return lineno(self.loc, self.pstr)
+
+    @property
+    def col(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    @property
+    def column(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    # pre-PEP8 compatibility
+    @property
+    def parserElement(self):
+        return self.parser_element
+
+    @parserElement.setter
+    def parserElement(self, elem):
+        self.parser_element = elem
+
+    def __str__(self) -> str:
+        if self.pstr:
+            if self.loc >= len(self.pstr):
+                foundstr = ", found end of text"
+            else:
+                # pull out next word at error location
+                found_match = _exception_word_extractor.match(self.pstr, self.loc)
+                if found_match is not None:
+                    found = found_match.group(0)
+                else:
+                    found = self.pstr[self.loc : self.loc + 1]
+                foundstr = (", found %r" % found).replace(r"\\", "\\")
+        else:
+            foundstr = ""
+        return f"{self.msg}{foundstr}  (at char {self.loc}), (line:{self.lineno}, col:{self.column})"
+
+    def __repr__(self):
+        return str(self)
+
+    def mark_input_line(
+        self, marker_string: typing.Optional[str] = None, *, markerString: str = ">!<"
+    ) -> str:
+        """
+        Extracts the exception line from the input string, and marks
+        the location of the exception with a special symbol.
+        """
+        markerString = marker_string if marker_string is not None else markerString
+        line_str = self.line
+        line_column = self.column - 1
+        if markerString:
+            line_str = "".join(
+                (line_str[:line_column], markerString, line_str[line_column:])
+            )
+        return line_str.strip()
+
+    def explain(self, depth=16) -> str:
+        """
+        Method to translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+
+        Example::
+
+            expr = pp.Word(pp.nums) * 3
+            try:
+                expr.parse_string("123 456 A789")
+            except pp.ParseException as pe:
+                print(pe.explain(depth=0))
+
+        prints::
+
+            123 456 A789
+                    ^
+            ParseException: Expected W:(0-9), found 'A'  (at char 8), (line:1, col:9)
+
+        Note: the diagnostic output will include string representations of the expressions
+        that failed to parse. These representations will be more helpful if you use `set_name` to
+        give identifiable names to your expressions. Otherwise they will use the default string
+        forms, which may be cryptic to read.
+
+        Note: pyparsing's default truncation of exception tracebacks may also truncate the
+        stack of expressions that are displayed in the ``explain`` output. To get the full listing
+        of parser expressions, you may have to set ``ParserElement.verbose_stacktrace = True``
+        """
+        return self.explain_exception(self, depth)
+
+    # fmt: off
+    @replaced_by_pep8(mark_input_line)
+    def markInputline(self): ...
+    # fmt: on
+
+
+class ParseException(ParseBaseException):
+    """
+    Exception thrown when a parse expression doesn't match the input string
+
+    Example::
+
+        try:
+            Word(nums).set_name("integer").parse_string("ABC")
+        except ParseException as pe:
+            print(pe)
+            print("column: {}".format(pe.column))
+
+    prints::
+
+       Expected integer (at char 0), (line:1, col:1)
+        column: 1
+
+    """
+
+
+class ParseFatalException(ParseBaseException):
+    """
+    User-throwable exception thrown when inconsistent parse content
+    is found; stops all parsing immediately
+    """
+
+
+class ParseSyntaxException(ParseFatalException):
+    """
+    Just like :class:`ParseFatalException`, but thrown internally
+    when an :class:`ErrorStop<And._ErrorStop>` ('-' operator) indicates
+    that parsing is to stop immediately because an unbacktrackable
+    syntax error has been found.
+    """
+
+
+class RecursiveGrammarException(Exception):
+    """
+    Exception thrown by :class:`ParserElement.validate` if the
+    grammar could be left-recursive; parser may need to enable
+    left recursion using :class:`ParserElement.enable_left_recursion<ParserElement.enable_left_recursion>`
+    """
+
+    def __init__(self, parseElementList):
+        self.parseElementTrace = parseElementList
+
+    def __str__(self) -> str:
+        return f"RecursiveGrammarException: {self.parseElementTrace}"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/helpers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/helpers.py
new file mode 100644
index 00000000..018f0d6a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/helpers.py
@@ -0,0 +1,1100 @@
+# helpers.py
+import html.entities
+import re
+import sys
+import typing
+
+from . import __diag__
+from .core import *
+from .util import (
+    _bslash,
+    _flatten,
+    _escape_regex_range_chars,
+    replaced_by_pep8,
+)
+
+
+#
+# global helpers
+#
+def counted_array(
+    expr: ParserElement,
+    int_expr: typing.Optional[ParserElement] = None,
+    *,
+    intExpr: typing.Optional[ParserElement] = None,
+) -> ParserElement:
+    """Helper to define a counted list of expressions.
+
+    This helper defines a pattern of the form::
+
+        integer expr expr expr...
+
+    where the leading integer tells how many expr expressions follow.
+    The matched tokens returns the array of expr tokens as a list - the
+    leading count token is suppressed.
+
+    If ``int_expr`` is specified, it should be a pyparsing expression
+    that produces an integer value.
+
+    Example::
+
+        counted_array(Word(alphas)).parse_string('2 ab cd ef')  # -> ['ab', 'cd']
+
+        # in this parser, the leading integer value is given in binary,
+        # '10' indicating that 2 values are in the array
+        binary_constant = Word('01').set_parse_action(lambda t: int(t[0], 2))
+        counted_array(Word(alphas), int_expr=binary_constant).parse_string('10 ab cd ef')  # -> ['ab', 'cd']
+
+        # if other fields must be parsed after the count but before the
+        # list items, give the fields results names and they will
+        # be preserved in the returned ParseResults:
+        count_with_metadata = integer + Word(alphas)("type")
+        typed_array = counted_array(Word(alphanums), int_expr=count_with_metadata)("items")
+        result = typed_array.parse_string("3 bool True True False")
+        print(result.dump())
+
+        # prints
+        # ['True', 'True', 'False']
+        # - items: ['True', 'True', 'False']
+        # - type: 'bool'
+    """
+    intExpr = intExpr or int_expr
+    array_expr = Forward()
+
+    def count_field_parse_action(s, l, t):
+        nonlocal array_expr
+        n = t[0]
+        array_expr <<= (expr * n) if n else Empty()
+        # clear list contents, but keep any named results
+        del t[:]
+
+    if intExpr is None:
+        intExpr = Word(nums).set_parse_action(lambda t: int(t[0]))
+    else:
+        intExpr = intExpr.copy()
+    intExpr.set_name("arrayLen")
+    intExpr.add_parse_action(count_field_parse_action, call_during_try=True)
+    return (intExpr + array_expr).set_name("(len) " + str(expr) + "...")
+
+
+def match_previous_literal(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_literal(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches a previous literal, will also match the leading
+    ``"1:1"`` in ``"1:10"``. If this is not desired, use
+    :class:`match_previous_expr`. Do *not* use with packrat parsing
+    enabled.
+    """
+    rep = Forward()
+
+    def copy_token_to_repeater(s, l, t):
+        if t:
+            if len(t) == 1:
+                rep << t[0]
+            else:
+                # flatten t tokens
+                tflat = _flatten(t.as_list())
+                rep << And(Literal(tt) for tt in tflat)
+        else:
+            rep << Empty()
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def match_previous_expr(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_expr(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches by expressions, will *not* match the leading ``"1:1"``
+    in ``"1:10"``; the expressions are evaluated first, and then
+    compared, so ``"1"`` is compared with ``"10"``. Do *not* use
+    with packrat parsing enabled.
+    """
+    rep = Forward()
+    e2 = expr.copy()
+    rep <<= e2
+
+    def copy_token_to_repeater(s, l, t):
+        matchTokens = _flatten(t.as_list())
+
+        def must_match_these_tokens(s, l, t):
+            theseTokens = _flatten(t.as_list())
+            if theseTokens != matchTokens:
+                raise ParseException(
+                    s, l, f"Expected {matchTokens}, found{theseTokens}"
+                )
+
+        rep.set_parse_action(must_match_these_tokens, callDuringTry=True)
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def one_of(
+    strs: Union[typing.Iterable[str], str],
+    caseless: bool = False,
+    use_regex: bool = True,
+    as_keyword: bool = False,
+    *,
+    useRegex: bool = True,
+    asKeyword: bool = False,
+) -> ParserElement:
+    """Helper to quickly define a set of alternative :class:`Literal` s,
+    and makes sure to do longest-first testing when there is a conflict,
+    regardless of the input order, but returns
+    a :class:`MatchFirst` for best performance.
+
+    Parameters:
+
+    - ``strs`` - a string of space-delimited literals, or a collection of
+      string literals
+    - ``caseless`` - treat all literals as caseless - (default= ``False``)
+    - ``use_regex`` - as an optimization, will
+      generate a :class:`Regex` object; otherwise, will generate
+      a :class:`MatchFirst` object (if ``caseless=True`` or ``as_keyword=True``, or if
+      creating a :class:`Regex` raises an exception) - (default= ``True``)
+    - ``as_keyword`` - enforce :class:`Keyword`-style matching on the
+      generated expressions - (default= ``False``)
+    - ``asKeyword`` and ``useRegex`` are retained for pre-PEP8 compatibility,
+      but will be removed in a future release
+
+    Example::
+
+        comp_oper = one_of("< = > <= >= !=")
+        var = Word(alphas)
+        number = Word(nums)
+        term = var | number
+        comparison_expr = term + comp_oper + term
+        print(comparison_expr.search_string("B = 12  AA=23 B<=AA AA>12"))
+
+    prints::
+
+        [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']]
+    """
+    asKeyword = asKeyword or as_keyword
+    useRegex = useRegex and use_regex
+
+    if (
+        isinstance(caseless, str_type)
+        and __diag__.warn_on_multiple_string_args_to_oneof
+    ):
+        warnings.warn(
+            "More than one string argument passed to one_of, pass"
+            " choices as a list or space-delimited string",
+            stacklevel=2,
+        )
+
+    if caseless:
+        isequal = lambda a, b: a.upper() == b.upper()
+        masks = lambda a, b: b.upper().startswith(a.upper())
+        parseElementClass = CaselessKeyword if asKeyword else CaselessLiteral
+    else:
+        isequal = lambda a, b: a == b
+        masks = lambda a, b: b.startswith(a)
+        parseElementClass = Keyword if asKeyword else Literal
+
+    symbols: List[str] = []
+    if isinstance(strs, str_type):
+        strs = typing.cast(str, strs)
+        symbols = strs.split()
+    elif isinstance(strs, Iterable):
+        symbols = list(strs)
+    else:
+        raise TypeError("Invalid argument to one_of, expected string or iterable")
+    if not symbols:
+        return NoMatch()
+
+    # reorder given symbols to take care to avoid masking longer choices with shorter ones
+    # (but only if the given symbols are not just single characters)
+    if any(len(sym) > 1 for sym in symbols):
+        i = 0
+        while i < len(symbols) - 1:
+            cur = symbols[i]
+            for j, other in enumerate(symbols[i + 1 :]):
+                if isequal(other, cur):
+                    del symbols[i + j + 1]
+                    break
+                elif masks(cur, other):
+                    del symbols[i + j + 1]
+                    symbols.insert(i, other)
+                    break
+            else:
+                i += 1
+
+    if useRegex:
+        re_flags: int = re.IGNORECASE if caseless else 0
+
+        try:
+            if all(len(sym) == 1 for sym in symbols):
+                # symbols are just single characters, create range regex pattern
+                patt = f"[{''.join(_escape_regex_range_chars(sym) for sym in symbols)}]"
+            else:
+                patt = "|".join(re.escape(sym) for sym in symbols)
+
+            # wrap with \b word break markers if defining as keywords
+            if asKeyword:
+                patt = rf"\b(?:{patt})\b"
+
+            ret = Regex(patt, flags=re_flags).set_name(" | ".join(symbols))
+
+            if caseless:
+                # add parse action to return symbols as specified, not in random
+                # casing as found in input string
+                symbol_map = {sym.lower(): sym for sym in symbols}
+                ret.add_parse_action(lambda s, l, t: symbol_map[t[0].lower()])
+
+            return ret
+
+        except re.error:
+            warnings.warn(
+                "Exception creating Regex for one_of, building MatchFirst", stacklevel=2
+            )
+
+    # last resort, just use MatchFirst
+    return MatchFirst(parseElementClass(sym) for sym in symbols).set_name(
+        " | ".join(symbols)
+    )
+
+
+def dict_of(key: ParserElement, value: ParserElement) -> ParserElement:
+    """Helper to easily and clearly define a dictionary by specifying
+    the respective patterns for the key and value.  Takes care of
+    defining the :class:`Dict`, :class:`ZeroOrMore`, and
+    :class:`Group` tokens in the proper order.  The key pattern
+    can include delimiting markers or punctuation, as long as they are
+    suppressed, thereby leaving the significant key text.  The value
+    pattern can include named results, so that the :class:`Dict` results
+    can include named token fields.
+
+    Example::
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        print(attr_expr[1, ...].parse_string(text).dump())
+
+        attr_label = label
+        attr_value = Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join)
+
+        # similar to Dict, but simpler call format
+        result = dict_of(attr_label, attr_value).parse_string(text)
+        print(result.dump())
+        print(result['shape'])
+        print(result.shape)  # object attribute access works too
+        print(result.as_dict())
+
+    prints::
+
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: 'light blue'
+        - posn: 'upper left'
+        - shape: 'SQUARE'
+        - texture: 'burlap'
+        SQUARE
+        SQUARE
+        {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'}
+    """
+    return Dict(OneOrMore(Group(key + value)))
+
+
+def original_text_for(
+    expr: ParserElement, as_string: bool = True, *, asString: bool = True
+) -> ParserElement:
+    """Helper to return the original, untokenized text for a given
+    expression.  Useful to restore the parsed fields of an HTML start
+    tag into the raw tag text itself, or to revert separate tokens with
+    intervening whitespace back to the original matching input text. By
+    default, returns a string containing the original parsed text.
+
+    If the optional ``as_string`` argument is passed as
+    ``False``, then the return value is
+    a :class:`ParseResults` containing any results names that
+    were originally matched, and a single token containing the original
+    matched text from the input string.  So if the expression passed to
+    :class:`original_text_for` contains expressions with defined
+    results names, you must set ``as_string`` to ``False`` if you
+    want to preserve those results name values.
+
+    The ``asString`` pre-PEP8 argument is retained for compatibility,
+    but will be removed in a future release.
+
+    Example::
+
+        src = "this is test <b> bold <i>text</i> </b> normal text "
+        for tag in ("b", "i"):
+            opener, closer = make_html_tags(tag)
+            patt = original_text_for(opener + ... + closer)
+            print(patt.search_string(src)[0])
+
+    prints::
+
+        ['<b> bold <i>text</i> </b>']
+        ['<i>text</i>']
+    """
+    asString = asString and as_string
+
+    locMarker = Empty().set_parse_action(lambda s, loc, t: loc)
+    endlocMarker = locMarker.copy()
+    endlocMarker.callPreparse = False
+    matchExpr = locMarker("_original_start") + expr + endlocMarker("_original_end")
+    if asString:
+        extractText = lambda s, l, t: s[t._original_start : t._original_end]
+    else:
+
+        def extractText(s, l, t):
+            t[:] = [s[t.pop("_original_start") : t.pop("_original_end")]]
+
+    matchExpr.set_parse_action(extractText)
+    matchExpr.ignoreExprs = expr.ignoreExprs
+    matchExpr.suppress_warning(Diagnostics.warn_ungrouped_named_tokens_in_collection)
+    return matchExpr
+
+
+def ungroup(expr: ParserElement) -> ParserElement:
+    """Helper to undo pyparsing's default grouping of And expressions,
+    even if all but one are non-empty.
+    """
+    return TokenConverter(expr).add_parse_action(lambda t: t[0])
+
+
+def locatedExpr(expr: ParserElement) -> ParserElement:
+    """
+    (DEPRECATED - future code should use the :class:`Located` class)
+    Helper to decorate a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parse_with_tabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in locatedExpr(wd).search_string("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [[0, 'ljsdf', 5]]
+        [[8, 'lksdjjf', 15]]
+        [[18, 'lkkjj', 23]]
+    """
+    locator = Empty().set_parse_action(lambda ss, ll, tt: ll)
+    return Group(
+        locator("locn_start")
+        + expr("value")
+        + locator.copy().leaveWhitespace()("locn_end")
+    )
+
+
+def nested_expr(
+    opener: Union[str, ParserElement] = "(",
+    closer: Union[str, ParserElement] = ")",
+    content: typing.Optional[ParserElement] = None,
+    ignore_expr: ParserElement = quoted_string(),
+    *,
+    ignoreExpr: ParserElement = quoted_string(),
+) -> ParserElement:
+    """Helper method for defining nested lists enclosed in opening and
+    closing delimiters (``"("`` and ``")"`` are the default).
+
+    Parameters:
+
+    - ``opener`` - opening character for a nested list
+      (default= ``"("``); can also be a pyparsing expression
+    - ``closer`` - closing character for a nested list
+      (default= ``")"``); can also be a pyparsing expression
+    - ``content`` - expression for items within the nested lists
+      (default= ``None``)
+    - ``ignore_expr`` - expression for ignoring opening and closing delimiters
+      (default= :class:`quoted_string`)
+    - ``ignoreExpr`` - this pre-PEP8 argument is retained for compatibility
+      but will be removed in a future release
+
+    If an expression is not provided for the content argument, the
+    nested expression will capture all whitespace-delimited content
+    between delimiters as a list of separate values.
+
+    Use the ``ignore_expr`` argument to define expressions that may
+    contain opening or closing characters that should not be treated as
+    opening or closing characters for nesting, such as quoted_string or
+    a comment expression.  Specify multiple expressions using an
+    :class:`Or` or :class:`MatchFirst`. The default is
+    :class:`quoted_string`, but if no expressions are to be ignored, then
+    pass ``None`` for this argument.
+
+    Example::
+
+        data_type = one_of("void int short long char float double")
+        decl_data_type = Combine(data_type + Opt(Word('*')))
+        ident = Word(alphas+'_', alphanums+'_')
+        number = pyparsing_common.number
+        arg = Group(decl_data_type + ident)
+        LPAR, RPAR = map(Suppress, "()")
+
+        code_body = nested_expr('{', '}', ignore_expr=(quoted_string | c_style_comment))
+
+        c_function = (decl_data_type("type")
+                      + ident("name")
+                      + LPAR + Opt(DelimitedList(arg), [])("args") + RPAR
+                      + code_body("body"))
+        c_function.ignore(c_style_comment)
+
+        source_code = '''
+            int is_odd(int x) {
+                return (x%2);
+            }
+
+            int dec_to_hex(char hchar) {
+                if (hchar >= '0' && hchar <= '9') {
+                    return (ord(hchar)-ord('0'));
+                } else {
+                    return (10+ord(hchar)-ord('A'));
+                }
+            }
+        '''
+        for func in c_function.search_string(source_code):
+            print("%(name)s (%(type)s) args: %(args)s" % func)
+
+
+    prints::
+
+        is_odd (int) args: [['int', 'x']]
+        dec_to_hex (int) args: [['char', 'hchar']]
+    """
+    if ignoreExpr != ignore_expr:
+        ignoreExpr = ignore_expr if ignoreExpr == quoted_string() else ignoreExpr
+    if opener == closer:
+        raise ValueError("opening and closing strings cannot be the same")
+    if content is None:
+        if isinstance(opener, str_type) and isinstance(closer, str_type):
+            opener = typing.cast(str, opener)
+            closer = typing.cast(str, closer)
+            if len(opener) == 1 and len(closer) == 1:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + CharsNotIn(
+                                opener + closer + ParserElement.DEFAULT_WHITE_CHARS,
+                                exact=1,
+                            )
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = empty.copy() + CharsNotIn(
+                        opener + closer + ParserElement.DEFAULT_WHITE_CHARS
+                    ).set_parse_action(lambda t: t[0].strip())
+            else:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = Combine(
+                        OneOrMore(
+                            ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+        else:
+            raise ValueError(
+                "opening and closing arguments must be strings if no content expression is given"
+            )
+    ret = Forward()
+    if ignoreExpr is not None:
+        ret <<= Group(
+            Suppress(opener) + ZeroOrMore(ignoreExpr | ret | content) + Suppress(closer)
+        )
+    else:
+        ret <<= Group(Suppress(opener) + ZeroOrMore(ret | content) + Suppress(closer))
+    ret.set_name("nested %s%s expression" % (opener, closer))
+    return ret
+
+
+def _makeTags(tagStr, xml, suppress_LT=Suppress("<"), suppress_GT=Suppress(">")):
+    """Internal helper to construct opening and closing tag expressions, given a tag name"""
+    if isinstance(tagStr, str_type):
+        resname = tagStr
+        tagStr = Keyword(tagStr, caseless=not xml)
+    else:
+        resname = tagStr.name
+
+    tagAttrName = Word(alphas, alphanums + "_-:")
+    if xml:
+        tagAttrValue = dbl_quoted_string.copy().set_parse_action(remove_quotes)
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(ZeroOrMore(Group(tagAttrName + Suppress("=") + tagAttrValue)))
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    else:
+        tagAttrValue = quoted_string.copy().set_parse_action(remove_quotes) | Word(
+            printables, exclude_chars=">"
+        )
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(
+                ZeroOrMore(
+                    Group(
+                        tagAttrName.set_parse_action(lambda t: t[0].lower())
+                        + Opt(Suppress("=") + tagAttrValue)
+                    )
+                )
+            )
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    closeTag = Combine(Literal("</") + tagStr + ">", adjacent=False)
+
+    openTag.set_name("<%s>" % resname)
+    # add start<tagname> results name in parse action now that ungrouped names are not reported at two levels
+    openTag.add_parse_action(
+        lambda t: t.__setitem__(
+            "start" + "".join(resname.replace(":", " ").title().split()), t.copy()
+        )
+    )
+    closeTag = closeTag(
+        "end" + "".join(resname.replace(":", " ").title().split())
+    ).set_name("</%s>" % resname)
+    openTag.tag = resname
+    closeTag.tag = resname
+    openTag.tag_body = SkipTo(closeTag())
+    return openTag, closeTag
+
+
+def make_html_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for HTML,
+    given a tag name. Matches tags in either upper or lower case,
+    attributes with namespaces and with quoted or unquoted values.
+
+    Example::
+
+        text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+        # make_html_tags returns pyparsing expressions for the opening and
+        # closing tags as a 2-tuple
+        a, a_end = make_html_tags("A")
+        link_expr = a + SkipTo(a_end)("link_text") + a_end
+
+        for link in link_expr.search_string(text):
+            # attributes in the <A> tag (like "href" shown here) are
+            # also accessible as named results
+            print(link.link_text, '->', link.href)
+
+    prints::
+
+        pyparsing -> https://github.com/pyparsing/pyparsing/wiki
+    """
+    return _makeTags(tag_str, False)
+
+
+def make_xml_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for XML,
+    given a tag name. Matches tags only in the given upper/lower case.
+
+    Example: similar to :class:`make_html_tags`
+    """
+    return _makeTags(tag_str, True)
+
+
+any_open_tag: ParserElement
+any_close_tag: ParserElement
+any_open_tag, any_close_tag = make_html_tags(
+    Word(alphas, alphanums + "_:").set_name("any tag")
+)
+
+_htmlEntityMap = {k.rstrip(";"): v for k, v in html.entities.html5.items()}
+common_html_entity = Regex("&(?P<entity>" + "|".join(_htmlEntityMap) + ");").set_name(
+    "common HTML entity"
+)
+
+
+def replace_html_entity(s, l, t):
+    """Helper parser action to replace common HTML entities with their special characters"""
+    return _htmlEntityMap.get(t.entity)
+
+
+class OpAssoc(Enum):
+    """Enumeration of operator associativity
+    - used in constructing InfixNotationOperatorSpec for :class:`infix_notation`"""
+
+    LEFT = 1
+    RIGHT = 2
+
+
+InfixNotationOperatorArgType = Union[
+    ParserElement, str, Tuple[Union[ParserElement, str], Union[ParserElement, str]]
+]
+InfixNotationOperatorSpec = Union[
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+        typing.Optional[ParseAction],
+    ],
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+    ],
+]
+
+
+def infix_notation(
+    base_expr: ParserElement,
+    op_list: List[InfixNotationOperatorSpec],
+    lpar: Union[str, ParserElement] = Suppress("("),
+    rpar: Union[str, ParserElement] = Suppress(")"),
+) -> ParserElement:
+    """Helper method for constructing grammars of expressions made up of
+    operators working in a precedence hierarchy.  Operators may be unary
+    or binary, left- or right-associative.  Parse actions can also be
+    attached to operator expressions. The generated parser will also
+    recognize the use of parentheses to override operator precedences
+    (see example below).
+
+    Note: if you define a deep operator list, you may see performance
+    issues when using infix_notation. See
+    :class:`ParserElement.enable_packrat` for a mechanism to potentially
+    improve your parser performance.
+
+    Parameters:
+
+    - ``base_expr`` - expression representing the most basic operand to
+      be used in the expression
+    - ``op_list`` - list of tuples, one for each operator precedence level
+      in the expression grammar; each tuple is of the form ``(op_expr,
+      num_operands, right_left_assoc, (optional)parse_action)``, where:
+
+      - ``op_expr`` is the pyparsing expression for the operator; may also
+        be a string, which will be converted to a Literal; if ``num_operands``
+        is 3, ``op_expr`` is a tuple of two expressions, for the two
+        operators separating the 3 terms
+      - ``num_operands`` is the number of terms for this operator (must be 1,
+        2, or 3)
+      - ``right_left_assoc`` is the indicator whether the operator is right
+        or left associative, using the pyparsing-defined constants
+        ``OpAssoc.RIGHT`` and ``OpAssoc.LEFT``.
+      - ``parse_action`` is the parse action to be associated with
+        expressions matching this operator expression (the parse action
+        tuple member may be omitted); if the parse action is passed
+        a tuple or list of functions, this is equivalent to calling
+        ``set_parse_action(*fn)``
+        (:class:`ParserElement.set_parse_action`)
+    - ``lpar`` - expression for matching left-parentheses; if passed as a
+      str, then will be parsed as ``Suppress(lpar)``. If lpar is passed as
+      an expression (such as ``Literal('(')``), then it will be kept in
+      the parsed results, and grouped with them. (default= ``Suppress('(')``)
+    - ``rpar`` - expression for matching right-parentheses; if passed as a
+      str, then will be parsed as ``Suppress(rpar)``. If rpar is passed as
+      an expression (such as ``Literal(')')``), then it will be kept in
+      the parsed results, and grouped with them. (default= ``Suppress(')')``)
+
+    Example::
+
+        # simple example of four-function arithmetic with ints and
+        # variable names
+        integer = pyparsing_common.signed_integer
+        varname = pyparsing_common.identifier
+
+        arith_expr = infix_notation(integer | varname,
+            [
+            ('-', 1, OpAssoc.RIGHT),
+            (one_of('* /'), 2, OpAssoc.LEFT),
+            (one_of('+ -'), 2, OpAssoc.LEFT),
+            ])
+
+        arith_expr.run_tests('''
+            5+3*6
+            (5+3)*6
+            -2--11
+            ''', full_dump=False)
+
+    prints::
+
+        5+3*6
+        [[5, '+', [3, '*', 6]]]
+
+        (5+3)*6
+        [[[5, '+', 3], '*', 6]]
+
+        (5+x)*y
+        [[[5, '+', 'x'], '*', 'y']]
+
+        -2--11
+        [[['-', 2], '-', ['-', 11]]]
+    """
+
+    # captive version of FollowedBy that does not do parse actions or capture results names
+    class _FB(FollowedBy):
+        def parseImpl(self, instring, loc, doActions=True):
+            self.expr.try_parse(instring, loc)
+            return loc, []
+
+    _FB.__name__ = "FollowedBy>"
+
+    ret = Forward()
+    if isinstance(lpar, str):
+        lpar = Suppress(lpar)
+    if isinstance(rpar, str):
+        rpar = Suppress(rpar)
+
+    # if lpar and rpar are not suppressed, wrap in group
+    if not (isinstance(rpar, Suppress) and isinstance(rpar, Suppress)):
+        lastExpr = base_expr | Group(lpar + ret + rpar)
+    else:
+        lastExpr = base_expr | (lpar + ret + rpar)
+
+    arity: int
+    rightLeftAssoc: opAssoc
+    pa: typing.Optional[ParseAction]
+    opExpr1: ParserElement
+    opExpr2: ParserElement
+    for i, operDef in enumerate(op_list):
+        opExpr, arity, rightLeftAssoc, pa = (operDef + (None,))[:4]  # type: ignore[assignment]
+        if isinstance(opExpr, str_type):
+            opExpr = ParserElement._literalStringClass(opExpr)
+        opExpr = typing.cast(ParserElement, opExpr)
+        if arity == 3:
+            if not isinstance(opExpr, (tuple, list)) or len(opExpr) != 2:
+                raise ValueError(
+                    "if numterms=3, opExpr must be a tuple or list of two expressions"
+                )
+            opExpr1, opExpr2 = opExpr
+            term_name = f"{opExpr1}{opExpr2} term"
+        else:
+            term_name = f"{opExpr} term"
+
+        if not 1 <= arity <= 3:
+            raise ValueError("operator must be unary (1), binary (2), or ternary (3)")
+
+        if rightLeftAssoc not in (OpAssoc.LEFT, OpAssoc.RIGHT):
+            raise ValueError("operator must indicate right or left associativity")
+
+        thisExpr: ParserElement = Forward().set_name(term_name)
+        thisExpr = typing.cast(Forward, thisExpr)
+        if rightLeftAssoc is OpAssoc.LEFT:
+            if arity == 1:
+                matchExpr = _FB(lastExpr + opExpr) + Group(lastExpr + opExpr[1, ...])
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + lastExpr) + Group(
+                        lastExpr + (opExpr + lastExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + lastExpr) + Group(lastExpr[2, ...])
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr
+                ) + Group(lastExpr + OneOrMore(opExpr1 + lastExpr + opExpr2 + lastExpr))
+        elif rightLeftAssoc is OpAssoc.RIGHT:
+            if arity == 1:
+                # try to avoid LR with this extra test
+                if not isinstance(opExpr, Opt):
+                    opExpr = Opt(opExpr)
+                matchExpr = _FB(opExpr.expr + thisExpr) + Group(opExpr + thisExpr)
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + thisExpr) + Group(
+                        lastExpr + (opExpr + thisExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + thisExpr) + Group(
+                        lastExpr + thisExpr[1, ...]
+                    )
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr
+                ) + Group(lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr)
+        if pa:
+            if isinstance(pa, (tuple, list)):
+                matchExpr.set_parse_action(*pa)
+            else:
+                matchExpr.set_parse_action(pa)
+        thisExpr <<= (matchExpr | lastExpr).setName(term_name)
+        lastExpr = thisExpr
+    ret <<= lastExpr
+    return ret
+
+
+def indentedBlock(blockStatementExpr, indentStack, indent=True, backup_stacks=[]):
+    """
+    (DEPRECATED - use :class:`IndentedBlock` class instead)
+    Helper method for defining space-delimited indentation blocks,
+    such as those used to define block statements in Python source code.
+
+    Parameters:
+
+    - ``blockStatementExpr`` - expression defining syntax of statement that
+      is repeated within the indented block
+    - ``indentStack`` - list created by caller to manage indentation stack
+      (multiple ``statementWithIndentedBlock`` expressions within a single
+      grammar should share a common ``indentStack``)
+    - ``indent`` - boolean indicating whether block must be indented beyond
+      the current level; set to ``False`` for block of left-most statements
+      (default= ``True``)
+
+    A valid block must contain at least one ``blockStatement``.
+
+    (Note that indentedBlock uses internal parse actions which make it
+    incompatible with packrat parsing.)
+
+    Example::
+
+        data = '''
+        def A(z):
+          A1
+          B = 100
+          G = A2
+          A2
+          A3
+        B
+        def BB(a,b,c):
+          BB1
+          def BBA():
+            bba1
+            bba2
+            bba3
+        C
+        D
+        def spam(x,y):
+             def eggs(z):
+                 pass
+        '''
+
+
+        indentStack = [1]
+        stmt = Forward()
+
+        identifier = Word(alphas, alphanums)
+        funcDecl = ("def" + identifier + Group("(" + Opt(delimitedList(identifier)) + ")") + ":")
+        func_body = indentedBlock(stmt, indentStack)
+        funcDef = Group(funcDecl + func_body)
+
+        rvalue = Forward()
+        funcCall = Group(identifier + "(" + Opt(delimitedList(rvalue)) + ")")
+        rvalue << (funcCall | identifier | Word(nums))
+        assignment = Group(identifier + "=" + rvalue)
+        stmt << (funcDef | assignment | identifier)
+
+        module_body = stmt[1, ...]
+
+        parseTree = module_body.parseString(data)
+        parseTree.pprint()
+
+    prints::
+
+        [['def',
+          'A',
+          ['(', 'z', ')'],
+          ':',
+          [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]],
+         'B',
+         ['def',
+          'BB',
+          ['(', 'a', 'b', 'c', ')'],
+          ':',
+          [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]],
+         'C',
+         'D',
+         ['def',
+          'spam',
+          ['(', 'x', 'y', ')'],
+          ':',
+          [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]]
+    """
+    backup_stacks.append(indentStack[:])
+
+    def reset_stack():
+        indentStack[:] = backup_stacks[-1]
+
+    def checkPeerIndent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if curCol != indentStack[-1]:
+            if curCol > indentStack[-1]:
+                raise ParseException(s, l, "illegal nesting")
+            raise ParseException(s, l, "not a peer entry")
+
+    def checkSubIndent(s, l, t):
+        curCol = col(l, s)
+        if curCol > indentStack[-1]:
+            indentStack.append(curCol)
+        else:
+            raise ParseException(s, l, "not a subentry")
+
+    def checkUnindent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if not (indentStack and curCol in indentStack):
+            raise ParseException(s, l, "not an unindent")
+        if curCol < indentStack[-1]:
+            indentStack.pop()
+
+    NL = OneOrMore(LineEnd().set_whitespace_chars("\t ").suppress())
+    INDENT = (Empty() + Empty().set_parse_action(checkSubIndent)).set_name("INDENT")
+    PEER = Empty().set_parse_action(checkPeerIndent).set_name("")
+    UNDENT = Empty().set_parse_action(checkUnindent).set_name("UNINDENT")
+    if indent:
+        smExpr = Group(
+            Opt(NL)
+            + INDENT
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + UNDENT
+        )
+    else:
+        smExpr = Group(
+            Opt(NL)
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + Opt(UNDENT)
+        )
+
+    # add a parse action to remove backup_stack from list of backups
+    smExpr.add_parse_action(
+        lambda: backup_stacks.pop(-1) and None if backup_stacks else None
+    )
+    smExpr.set_fail_action(lambda a, b, c, d: reset_stack())
+    blockStatementExpr.ignore(_bslash + LineEnd())
+    return smExpr.set_name("indented block")
+
+
+# it's easy to get these comment structures wrong - they're very common, so may as well make them available
+c_style_comment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/").set_name(
+    "C style comment"
+)
+"Comment of the form ``/* ... */``"
+
+html_comment = Regex(r"<!--[\s\S]*?-->").set_name("HTML comment")
+"Comment of the form ``<!-- ... -->``"
+
+rest_of_line = Regex(r".*").leave_whitespace().set_name("rest of line")
+dbl_slash_comment = Regex(r"//(?:\\\n|[^\n])*").set_name("// comment")
+"Comment of the form ``// ... (to end of line)``"
+
+cpp_style_comment = Combine(
+    Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/" | dbl_slash_comment
+).set_name("C++ style comment")
+"Comment of either form :class:`c_style_comment` or :class:`dbl_slash_comment`"
+
+java_style_comment = cpp_style_comment
+"Same as :class:`cpp_style_comment`"
+
+python_style_comment = Regex(r"#.*").set_name("Python style comment")
+"Comment of the form ``# ... (to end of line)``"
+
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs: List[ParserElement] = [
+    v for v in vars().values() if isinstance(v, ParserElement)
+]
+
+
+# compatibility function, superseded by DelimitedList class
+def delimited_list(
+    expr: Union[str, ParserElement],
+    delim: Union[str, ParserElement] = ",",
+    combine: bool = False,
+    min: typing.Optional[int] = None,
+    max: typing.Optional[int] = None,
+    *,
+    allow_trailing_delim: bool = False,
+) -> ParserElement:
+    """(DEPRECATED - use :class:`DelimitedList` class)"""
+    return DelimitedList(
+        expr, delim, combine, min, max, allow_trailing_delim=allow_trailing_delim
+    )
+
+
+# pre-PEP8 compatible names
+# fmt: off
+opAssoc = OpAssoc
+anyOpenTag = any_open_tag
+anyCloseTag = any_close_tag
+commonHTMLEntity = common_html_entity
+cStyleComment = c_style_comment
+htmlComment = html_comment
+restOfLine = rest_of_line
+dblSlashComment = dbl_slash_comment
+cppStyleComment = cpp_style_comment
+javaStyleComment = java_style_comment
+pythonStyleComment = python_style_comment
+
+@replaced_by_pep8(DelimitedList)
+def delimitedList(): ...
+
+@replaced_by_pep8(DelimitedList)
+def delimited_list(): ...
+
+@replaced_by_pep8(counted_array)
+def countedArray(): ...
+
+@replaced_by_pep8(match_previous_literal)
+def matchPreviousLiteral(): ...
+
+@replaced_by_pep8(match_previous_expr)
+def matchPreviousExpr(): ...
+
+@replaced_by_pep8(one_of)
+def oneOf(): ...
+
+@replaced_by_pep8(dict_of)
+def dictOf(): ...
+
+@replaced_by_pep8(original_text_for)
+def originalTextFor(): ...
+
+@replaced_by_pep8(nested_expr)
+def nestedExpr(): ...
+
+@replaced_by_pep8(make_html_tags)
+def makeHTMLTags(): ...
+
+@replaced_by_pep8(make_xml_tags)
+def makeXMLTags(): ...
+
+@replaced_by_pep8(replace_html_entity)
+def replaceHTMLEntity(): ...
+
+@replaced_by_pep8(infix_notation)
+def infixNotation(): ...
+# fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/results.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/results.py
new file mode 100644
index 00000000..03130497
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/results.py
@@ -0,0 +1,796 @@
+# results.py
+from collections.abc import (
+    MutableMapping,
+    Mapping,
+    MutableSequence,
+    Iterator,
+    Sequence,
+    Container,
+)
+import pprint
+from typing import Tuple, Any, Dict, Set, List
+
+str_type: Tuple[type, ...] = (str, bytes)
+_generator_type = type((_ for _ in ()))
+
+
+class _ParseResultsWithOffset:
+    tup: Tuple["ParseResults", int]
+    __slots__ = ["tup"]
+
+    def __init__(self, p1: "ParseResults", p2: int):
+        self.tup: Tuple[ParseResults, int] = (p1, p2)
+
+    def __getitem__(self, i):
+        return self.tup[i]
+
+    def __getstate__(self):
+        return self.tup
+
+    def __setstate__(self, *args):
+        self.tup = args[0]
+
+
+class ParseResults:
+    """Structured parse results, to provide multiple means of access to
+    the parsed data:
+
+    - as a list (``len(results)``)
+    - by list index (``results[0], results[1]``, etc.)
+    - by attribute (``results.<results_name>`` - see :class:`ParserElement.set_results_name`)
+
+    Example::
+
+        integer = Word(nums)
+        date_str = (integer.set_results_name("year") + '/'
+                    + integer.set_results_name("month") + '/'
+                    + integer.set_results_name("day"))
+        # equivalent form:
+        # date_str = (integer("year") + '/'
+        #             + integer("month") + '/'
+        #             + integer("day"))
+
+        # parse_string returns a ParseResults object
+        result = date_str.parse_string("1999/12/31")
+
+        def test(s, fn=repr):
+            print(f"{s} -> {fn(eval(s))}")
+        test("list(result)")
+        test("result[0]")
+        test("result['month']")
+        test("result.day")
+        test("'month' in result")
+        test("'minutes' in result")
+        test("result.dump()", str)
+
+    prints::
+
+        list(result) -> ['1999', '/', '12', '/', '31']
+        result[0] -> '1999'
+        result['month'] -> '12'
+        result.day -> '31'
+        'month' in result -> True
+        'minutes' in result -> False
+        result.dump() -> ['1999', '/', '12', '/', '31']
+        - day: '31'
+        - month: '12'
+        - year: '1999'
+    """
+
+    _null_values: Tuple[Any, ...] = (None, [], ())
+
+    _name: str
+    _parent: "ParseResults"
+    _all_names: Set[str]
+    _modal: bool
+    _toklist: List[Any]
+    _tokdict: Dict[str, Any]
+
+    __slots__ = (
+        "_name",
+        "_parent",
+        "_all_names",
+        "_modal",
+        "_toklist",
+        "_tokdict",
+    )
+
+    class List(list):
+        """
+        Simple wrapper class to distinguish parsed list results that should be preserved
+        as actual Python lists, instead of being converted to :class:`ParseResults`::
+
+            LBRACK, RBRACK = map(pp.Suppress, "[]")
+            element = pp.Forward()
+            item = ppc.integer
+            element_list = LBRACK + pp.DelimitedList(element) + RBRACK
+
+            # add parse actions to convert from ParseResults to actual Python collection types
+            def as_python_list(t):
+                return pp.ParseResults.List(t.as_list())
+            element_list.add_parse_action(as_python_list)
+
+            element <<= item | element_list
+
+            element.run_tests('''
+                100
+                [2,3,4]
+                [[2, 1],3,4]
+                [(2, 1),3,4]
+                (2,3,4)
+                ''', post_parse=lambda s, r: (r[0], type(r[0])))
+
+        prints::
+
+            100
+            (100, <class 'int'>)
+
+            [2,3,4]
+            ([2, 3, 4], <class 'list'>)
+
+            [[2, 1],3,4]
+            ([[2, 1], 3, 4], <class 'list'>)
+
+        (Used internally by :class:`Group` when `aslist=True`.)
+        """
+
+        def __new__(cls, contained=None):
+            if contained is None:
+                contained = []
+
+            if not isinstance(contained, list):
+                raise TypeError(
+                    f"{cls.__name__} may only be constructed with a list, not {type(contained).__name__}"
+                )
+
+            return list.__new__(cls)
+
+    def __new__(cls, toklist=None, name=None, **kwargs):
+        if isinstance(toklist, ParseResults):
+            return toklist
+        self = object.__new__(cls)
+        self._name = None
+        self._parent = None
+        self._all_names = set()
+
+        if toklist is None:
+            self._toklist = []
+        elif isinstance(toklist, (list, _generator_type)):
+            self._toklist = (
+                [toklist[:]]
+                if isinstance(toklist, ParseResults.List)
+                else list(toklist)
+            )
+        else:
+            self._toklist = [toklist]
+        self._tokdict = dict()
+        return self
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self, toklist=None, name=None, asList=True, modal=True, isinstance=isinstance
+    ):
+        self._tokdict: Dict[str, _ParseResultsWithOffset]
+        self._modal = modal
+        if name is not None and name != "":
+            if isinstance(name, int):
+                name = str(name)
+            if not modal:
+                self._all_names = {name}
+            self._name = name
+            if toklist not in self._null_values:
+                if isinstance(toklist, (str_type, type)):
+                    toklist = [toklist]
+                if asList:
+                    if isinstance(toklist, ParseResults):
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist._toklist), 0
+                        )
+                    else:
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist[0]), 0
+                        )
+                    self[name]._name = name
+                else:
+                    try:
+                        self[name] = toklist[0]
+                    except (KeyError, TypeError, IndexError):
+                        if toklist is not self:
+                            self[name] = toklist
+                        else:
+                            self._name = name
+
+    def __getitem__(self, i):
+        if isinstance(i, (int, slice)):
+            return self._toklist[i]
+        else:
+            if i not in self._all_names:
+                return self._tokdict[i][-1][0]
+            else:
+                return ParseResults([v[0] for v in self._tokdict[i]])
+
+    def __setitem__(self, k, v, isinstance=isinstance):
+        if isinstance(v, _ParseResultsWithOffset):
+            self._tokdict[k] = self._tokdict.get(k, list()) + [v]
+            sub = v[0]
+        elif isinstance(k, (int, slice)):
+            self._toklist[k] = v
+            sub = v
+        else:
+            self._tokdict[k] = self._tokdict.get(k, list()) + [
+                _ParseResultsWithOffset(v, 0)
+            ]
+            sub = v
+        if isinstance(sub, ParseResults):
+            sub._parent = self
+
+    def __delitem__(self, i):
+        if isinstance(i, (int, slice)):
+            mylen = len(self._toklist)
+            del self._toklist[i]
+
+            # convert int to slice
+            if isinstance(i, int):
+                if i < 0:
+                    i += mylen
+                i = slice(i, i + 1)
+            # get removed indices
+            removed = list(range(*i.indices(mylen)))
+            removed.reverse()
+            # fixup indices in token dictionary
+            for name, occurrences in self._tokdict.items():
+                for j in removed:
+                    for k, (value, position) in enumerate(occurrences):
+                        occurrences[k] = _ParseResultsWithOffset(
+                            value, position - (position > j)
+                        )
+        else:
+            del self._tokdict[i]
+
+    def __contains__(self, k) -> bool:
+        return k in self._tokdict
+
+    def __len__(self) -> int:
+        return len(self._toklist)
+
+    def __bool__(self) -> bool:
+        return not not (self._toklist or self._tokdict)
+
+    def __iter__(self) -> Iterator:
+        return iter(self._toklist)
+
+    def __reversed__(self) -> Iterator:
+        return iter(self._toklist[::-1])
+
+    def keys(self):
+        return iter(self._tokdict)
+
+    def values(self):
+        return (self[k] for k in self.keys())
+
+    def items(self):
+        return ((k, self[k]) for k in self.keys())
+
+    def haskeys(self) -> bool:
+        """
+        Since ``keys()`` returns an iterator, this method is helpful in bypassing
+        code that looks for the existence of any defined results names."""
+        return not not self._tokdict
+
+    def pop(self, *args, **kwargs):
+        """
+        Removes and returns item at specified index (default= ``last``).
+        Supports both ``list`` and ``dict`` semantics for ``pop()``. If
+        passed no argument or an integer argument, it will use ``list``
+        semantics and pop tokens from the list of parsed tokens. If passed
+        a non-integer argument (most likely a string), it will use ``dict``
+        semantics and pop the corresponding value from any defined results
+        names. A second default return value argument is supported, just as in
+        ``dict.pop()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            def remove_first(tokens):
+                tokens.pop(0)
+            numlist.add_parse_action(remove_first)
+            print(numlist.parse_string("0 123 321")) # -> ['123', '321']
+
+            label = Word(alphas)
+            patt = label("LABEL") + Word(nums)[1, ...]
+            print(patt.parse_string("AAB 123 321").dump())
+
+            # Use pop() in a parse action to remove named result (note that corresponding value is not
+            # removed from list form of results)
+            def remove_LABEL(tokens):
+                tokens.pop("LABEL")
+                return tokens
+            patt.add_parse_action(remove_LABEL)
+            print(patt.parse_string("AAB 123 321").dump())
+
+        prints::
+
+            ['AAB', '123', '321']
+            - LABEL: 'AAB'
+
+            ['AAB', '123', '321']
+        """
+        if not args:
+            args = [-1]
+        for k, v in kwargs.items():
+            if k == "default":
+                args = (args[0], v)
+            else:
+                raise TypeError(f"pop() got an unexpected keyword argument {k!r}")
+        if isinstance(args[0], int) or len(args) == 1 or args[0] in self:
+            index = args[0]
+            ret = self[index]
+            del self[index]
+            return ret
+        else:
+            defaultvalue = args[1]
+            return defaultvalue
+
+    def get(self, key, default_value=None):
+        """
+        Returns named result matching the given key, or if there is no
+        such name, then returns the given ``default_value`` or ``None`` if no
+        ``default_value`` is specified.
+
+        Similar to ``dict.get()``.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string("1999/12/31")
+            print(result.get("year")) # -> '1999'
+            print(result.get("hour", "not specified")) # -> 'not specified'
+            print(result.get("hour")) # -> None
+        """
+        if key in self:
+            return self[key]
+        else:
+            return default_value
+
+    def insert(self, index, ins_string):
+        """
+        Inserts new element at location index in the list of parsed tokens.
+
+        Similar to ``list.insert()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to insert the parse location in the front of the parsed results
+            def insert_locn(locn, tokens):
+                tokens.insert(0, locn)
+            numlist.add_parse_action(insert_locn)
+            print(numlist.parse_string("0 123 321")) # -> [0, '0', '123', '321']
+        """
+        self._toklist.insert(index, ins_string)
+        # fixup indices in token dictionary
+        for name, occurrences in self._tokdict.items():
+            for k, (value, position) in enumerate(occurrences):
+                occurrences[k] = _ParseResultsWithOffset(
+                    value, position + (position > index)
+                )
+
+    def append(self, item):
+        """
+        Add single element to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to compute the sum of the parsed integers, and add it to the end
+            def append_sum(tokens):
+                tokens.append(sum(map(int, tokens)))
+            numlist.add_parse_action(append_sum)
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321', 444]
+        """
+        self._toklist.append(item)
+
+    def extend(self, itemseq):
+        """
+        Add sequence of elements to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+
+            # use a parse action to append the reverse of the matched strings, to make a palindrome
+            def make_palindrome(tokens):
+                tokens.extend(reversed([t[::-1] for t in tokens]))
+                return ''.join(tokens)
+            patt.add_parse_action(make_palindrome)
+            print(patt.parse_string("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl'
+        """
+        if isinstance(itemseq, ParseResults):
+            self.__iadd__(itemseq)
+        else:
+            self._toklist.extend(itemseq)
+
+    def clear(self):
+        """
+        Clear all elements and results names.
+        """
+        del self._toklist[:]
+        self._tokdict.clear()
+
+    def __getattr__(self, name):
+        try:
+            return self[name]
+        except KeyError:
+            if name.startswith("__"):
+                raise AttributeError(name)
+            return ""
+
+    def __add__(self, other: "ParseResults") -> "ParseResults":
+        ret = self.copy()
+        ret += other
+        return ret
+
+    def __iadd__(self, other: "ParseResults") -> "ParseResults":
+        if not other:
+            return self
+
+        if other._tokdict:
+            offset = len(self._toklist)
+            addoffset = lambda a: offset if a < 0 else a + offset
+            otheritems = other._tokdict.items()
+            otherdictitems = [
+                (k, _ParseResultsWithOffset(v[0], addoffset(v[1])))
+                for k, vlist in otheritems
+                for v in vlist
+            ]
+            for k, v in otherdictitems:
+                self[k] = v
+                if isinstance(v[0], ParseResults):
+                    v[0]._parent = self
+
+        self._toklist += other._toklist
+        self._all_names |= other._all_names
+        return self
+
+    def __radd__(self, other) -> "ParseResults":
+        if isinstance(other, int) and other == 0:
+            # useful for merging many ParseResults using sum() builtin
+            return self.copy()
+        else:
+            # this may raise a TypeError - so be it
+            return other + self
+
+    def __repr__(self) -> str:
+        return f"{type(self).__name__}({self._toklist!r}, {self.as_dict()})"
+
+    def __str__(self) -> str:
+        return (
+            "["
+            + ", ".join(
+                [
+                    str(i) if isinstance(i, ParseResults) else repr(i)
+                    for i in self._toklist
+                ]
+            )
+            + "]"
+        )
+
+    def _asStringList(self, sep=""):
+        out = []
+        for item in self._toklist:
+            if out and sep:
+                out.append(sep)
+            if isinstance(item, ParseResults):
+                out += item._asStringList()
+            else:
+                out.append(str(item))
+        return out
+
+    def as_list(self) -> list:
+        """
+        Returns the parse results as a nested list of matching tokens, all converted to strings.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+            result = patt.parse_string("sldkj lsdkj sldkj")
+            # even though the result prints in string-like form, it is actually a pyparsing ParseResults
+            print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj']
+
+            # Use as_list() to create an actual list
+            result_list = result.as_list()
+            print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj']
+        """
+        return [
+            res.as_list() if isinstance(res, ParseResults) else res
+            for res in self._toklist
+        ]
+
+    def as_dict(self) -> dict:
+        """
+        Returns the named parse results as a nested dictionary.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('12/31/1999')
+            print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]})
+
+            result_dict = result.as_dict()
+            print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'}
+
+            # even though a ParseResults supports dict-like access, sometime you just need to have a dict
+            import json
+            print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable
+            print(json.dumps(result.as_dict())) # -> {"month": "31", "day": "1999", "year": "12"}
+        """
+
+        def to_item(obj):
+            if isinstance(obj, ParseResults):
+                return obj.as_dict() if obj.haskeys() else [to_item(v) for v in obj]
+            else:
+                return obj
+
+        return dict((k, to_item(v)) for k, v in self.items())
+
+    def copy(self) -> "ParseResults":
+        """
+        Returns a new shallow copy of a :class:`ParseResults` object. `ParseResults`
+        items contained within the source are shared with the copy. Use
+        :class:`ParseResults.deepcopy()` to create a copy with its own separate
+        content values.
+        """
+        ret = ParseResults(self._toklist)
+        ret._tokdict = self._tokdict.copy()
+        ret._parent = self._parent
+        ret._all_names |= self._all_names
+        ret._name = self._name
+        return ret
+
+    def deepcopy(self) -> "ParseResults":
+        """
+        Returns a new deep copy of a :class:`ParseResults` object.
+        """
+        ret = self.copy()
+        # replace values with copies if they are of known mutable types
+        for i, obj in enumerate(self._toklist):
+            if isinstance(obj, ParseResults):
+                self._toklist[i] = obj.deepcopy()
+            elif isinstance(obj, (str, bytes)):
+                pass
+            elif isinstance(obj, MutableMapping):
+                self._toklist[i] = dest = type(obj)()
+                for k, v in obj.items():
+                    dest[k] = v.deepcopy() if isinstance(v, ParseResults) else v
+            elif isinstance(obj, Container):
+                self._toklist[i] = type(obj)(
+                    v.deepcopy() if isinstance(v, ParseResults) else v for v in obj
+                )
+        return ret
+
+    def get_name(self):
+        r"""
+        Returns the results name for this token expression. Useful when several
+        different expressions might match at a particular location.
+
+        Example::
+
+            integer = Word(nums)
+            ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d")
+            house_number_expr = Suppress('#') + Word(nums, alphanums)
+            user_data = (Group(house_number_expr)("house_number")
+                        | Group(ssn_expr)("ssn")
+                        | Group(integer)("age"))
+            user_info = user_data[1, ...]
+
+            result = user_info.parse_string("22 111-22-3333 #221B")
+            for item in result:
+                print(item.get_name(), ':', item[0])
+
+        prints::
+
+            age : 22
+            ssn : 111-22-3333
+            house_number : 221B
+        """
+        if self._name:
+            return self._name
+        elif self._parent:
+            par: "ParseResults" = self._parent
+            parent_tokdict_items = par._tokdict.items()
+            return next(
+                (
+                    k
+                    for k, vlist in parent_tokdict_items
+                    for v, loc in vlist
+                    if v is self
+                ),
+                None,
+            )
+        elif (
+            len(self) == 1
+            and len(self._tokdict) == 1
+            and next(iter(self._tokdict.values()))[0][1] in (0, -1)
+        ):
+            return next(iter(self._tokdict.keys()))
+        else:
+            return None
+
+    def dump(self, indent="", full=True, include_list=True, _depth=0) -> str:
+        """
+        Diagnostic method for listing out the contents of
+        a :class:`ParseResults`. Accepts an optional ``indent`` argument so
+        that this string can be embedded in a nested display of other data.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('1999/12/31')
+            print(result.dump())
+
+        prints::
+
+            ['1999', '/', '12', '/', '31']
+            - day: '31'
+            - month: '12'
+            - year: '1999'
+        """
+        out = []
+        NL = "\n"
+        out.append(indent + str(self.as_list()) if include_list else "")
+
+        if full:
+            if self.haskeys():
+                items = sorted((str(k), v) for k, v in self.items())
+                for k, v in items:
+                    if out:
+                        out.append(NL)
+                    out.append(f"{indent}{('  ' * _depth)}- {k}: ")
+                    if isinstance(v, ParseResults):
+                        if v:
+                            out.append(
+                                v.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                )
+                            )
+                        else:
+                            out.append(str(v))
+                    else:
+                        out.append(repr(v))
+            if any(isinstance(vv, ParseResults) for vv in self):
+                v = self
+                for i, vv in enumerate(v):
+                    if isinstance(vv, ParseResults):
+                        out.append(
+                            "\n{}{}[{}]:\n{}{}{}".format(
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                vv.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                ),
+                            )
+                        )
+                    else:
+                        out.append(
+                            "\n%s%s[%d]:\n%s%s%s"
+                            % (
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                str(vv),
+                            )
+                        )
+
+        return "".join(out)
+
+    def pprint(self, *args, **kwargs):
+        """
+        Pretty-printer for parsed results as a list, using the
+        `pprint <https://docs.python.org/3/library/pprint.html>`_ module.
+        Accepts additional positional or keyword args as defined for
+        `pprint.pprint <https://docs.python.org/3/library/pprint.html#pprint.pprint>`_ .
+
+        Example::
+
+            ident = Word(alphas, alphanums)
+            num = Word(nums)
+            func = Forward()
+            term = ident | num | Group('(' + func + ')')
+            func <<= ident + Group(Optional(DelimitedList(term)))
+            result = func.parse_string("fna a,b,(fnb c,d,200),100")
+            result.pprint(width=40)
+
+        prints::
+
+            ['fna',
+             ['a',
+              'b',
+              ['(', 'fnb', ['c', 'd', '200'], ')'],
+              '100']]
+        """
+        pprint.pprint(self.as_list(), *args, **kwargs)
+
+    # add support for pickle protocol
+    def __getstate__(self):
+        return (
+            self._toklist,
+            (
+                self._tokdict.copy(),
+                None,
+                self._all_names,
+                self._name,
+            ),
+        )
+
+    def __setstate__(self, state):
+        self._toklist, (self._tokdict, par, inAccumNames, self._name) = state
+        self._all_names = set(inAccumNames)
+        self._parent = None
+
+    def __getnewargs__(self):
+        return self._toklist, self._name
+
+    def __dir__(self):
+        return dir(type(self)) + list(self.keys())
+
+    @classmethod
+    def from_dict(cls, other, name=None) -> "ParseResults":
+        """
+        Helper classmethod to construct a ``ParseResults`` from a ``dict``, preserving the
+        name-value relations as results names. If an optional ``name`` argument is
+        given, a nested ``ParseResults`` will be returned.
+        """
+
+        def is_iterable(obj):
+            try:
+                iter(obj)
+            except Exception:
+                return False
+            # str's are iterable, but in pyparsing, we don't want to iterate over them
+            else:
+                return not isinstance(obj, str_type)
+
+        ret = cls([])
+        for k, v in other.items():
+            if isinstance(v, Mapping):
+                ret += cls.from_dict(v, name=k)
+            else:
+                ret += cls([v], name=k, asList=is_iterable(v))
+        if name is not None:
+            ret = cls([ret], name=name)
+        return ret
+
+    asList = as_list
+    """Deprecated - use :class:`as_list`"""
+    asDict = as_dict
+    """Deprecated - use :class:`as_dict`"""
+    getName = get_name
+    """Deprecated - use :class:`get_name`"""
+
+
+MutableMapping.register(ParseResults)
+MutableSequence.register(ParseResults)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/testing.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/testing.py
new file mode 100644
index 00000000..6a254c1c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/testing.py
@@ -0,0 +1,331 @@
+# testing.py
+
+from contextlib import contextmanager
+import typing
+
+from .core import (
+    ParserElement,
+    ParseException,
+    Keyword,
+    __diag__,
+    __compat__,
+)
+
+
+class pyparsing_test:
+    """
+    namespace class for classes useful in writing unit tests
+    """
+
+    class reset_pyparsing_context:
+        """
+        Context manager to be used when writing unit tests that modify pyparsing config values:
+        - packrat parsing
+        - bounded recursion parsing
+        - default whitespace characters.
+        - default keyword characters
+        - literal string auto-conversion class
+        - __diag__ settings
+
+        Example::
+
+            with reset_pyparsing_context():
+                # test that literals used to construct a grammar are automatically suppressed
+                ParserElement.inlineLiteralsUsing(Suppress)
+
+                term = Word(alphas) | Word(nums)
+                group = Group('(' + term[...] + ')')
+
+                # assert that the '()' characters are not included in the parsed tokens
+                self.assertParseAndCheckList(group, "(abc 123 def)", ['abc', '123', 'def'])
+
+            # after exiting context manager, literals are converted to Literal expressions again
+        """
+
+        def __init__(self):
+            self._save_context = {}
+
+        def save(self):
+            self._save_context["default_whitespace"] = ParserElement.DEFAULT_WHITE_CHARS
+            self._save_context["default_keyword_chars"] = Keyword.DEFAULT_KEYWORD_CHARS
+
+            self._save_context[
+                "literal_string_class"
+            ] = ParserElement._literalStringClass
+
+            self._save_context["verbose_stacktrace"] = ParserElement.verbose_stacktrace
+
+            self._save_context["packrat_enabled"] = ParserElement._packratEnabled
+            if ParserElement._packratEnabled:
+                self._save_context[
+                    "packrat_cache_size"
+                ] = ParserElement.packrat_cache.size
+            else:
+                self._save_context["packrat_cache_size"] = None
+            self._save_context["packrat_parse"] = ParserElement._parse
+            self._save_context[
+                "recursion_enabled"
+            ] = ParserElement._left_recursion_enabled
+
+            self._save_context["__diag__"] = {
+                name: getattr(__diag__, name) for name in __diag__._all_names
+            }
+
+            self._save_context["__compat__"] = {
+                "collect_all_And_tokens": __compat__.collect_all_And_tokens
+            }
+
+            return self
+
+        def restore(self):
+            # reset pyparsing global state
+            if (
+                ParserElement.DEFAULT_WHITE_CHARS
+                != self._save_context["default_whitespace"]
+            ):
+                ParserElement.set_default_whitespace_chars(
+                    self._save_context["default_whitespace"]
+                )
+
+            ParserElement.verbose_stacktrace = self._save_context["verbose_stacktrace"]
+
+            Keyword.DEFAULT_KEYWORD_CHARS = self._save_context["default_keyword_chars"]
+            ParserElement.inlineLiteralsUsing(
+                self._save_context["literal_string_class"]
+            )
+
+            for name, value in self._save_context["__diag__"].items():
+                (__diag__.enable if value else __diag__.disable)(name)
+
+            ParserElement._packratEnabled = False
+            if self._save_context["packrat_enabled"]:
+                ParserElement.enable_packrat(self._save_context["packrat_cache_size"])
+            else:
+                ParserElement._parse = self._save_context["packrat_parse"]
+            ParserElement._left_recursion_enabled = self._save_context[
+                "recursion_enabled"
+            ]
+
+            __compat__.collect_all_And_tokens = self._save_context["__compat__"]
+
+            return self
+
+        def copy(self):
+            ret = type(self)()
+            ret._save_context.update(self._save_context)
+            return ret
+
+        def __enter__(self):
+            return self.save()
+
+        def __exit__(self, *args):
+            self.restore()
+
+    class TestParseResultsAsserts:
+        """
+        A mixin class to add parse results assertion methods to normal unittest.TestCase classes.
+        """
+
+        def assertParseResultsEquals(
+            self, result, expected_list=None, expected_dict=None, msg=None
+        ):
+            """
+            Unit test assertion to compare a :class:`ParseResults` object with an optional ``expected_list``,
+            and compare any defined results names with an optional ``expected_dict``.
+            """
+            if expected_list is not None:
+                self.assertEqual(expected_list, result.as_list(), msg=msg)
+            if expected_dict is not None:
+                self.assertEqual(expected_dict, result.as_dict(), msg=msg)
+
+        def assertParseAndCheckList(
+            self, expr, test_string, expected_list, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asList()`` is equal to the ``expected_list``.
+            """
+            result = expr.parse_string(test_string, parse_all=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_list=expected_list, msg=msg)
+
+        def assertParseAndCheckDict(
+            self, expr, test_string, expected_dict, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asDict()`` is equal to the ``expected_dict``.
+            """
+            result = expr.parse_string(test_string, parseAll=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_dict=expected_dict, msg=msg)
+
+        def assertRunTestResults(
+            self, run_tests_report, expected_parse_results=None, msg=None
+        ):
+            """
+            Unit test assertion to evaluate output of ``ParserElement.runTests()``. If a list of
+            list-dict tuples is given as the ``expected_parse_results`` argument, then these are zipped
+            with the report tuples returned by ``runTests`` and evaluated using ``assertParseResultsEquals``.
+            Finally, asserts that the overall ``runTests()`` success value is ``True``.
+
+            :param run_tests_report: tuple(bool, [tuple(str, ParseResults or Exception)]) returned from runTests
+            :param expected_parse_results (optional): [tuple(str, list, dict, Exception)]
+            """
+            run_test_success, run_test_results = run_tests_report
+
+            if expected_parse_results is not None:
+                merged = [
+                    (*rpt, expected)
+                    for rpt, expected in zip(run_test_results, expected_parse_results)
+                ]
+                for test_string, result, expected in merged:
+                    # expected should be a tuple containing a list and/or a dict or an exception,
+                    # and optional failure message string
+                    # an empty tuple will skip any result validation
+                    fail_msg = next(
+                        (exp for exp in expected if isinstance(exp, str)), None
+                    )
+                    expected_exception = next(
+                        (
+                            exp
+                            for exp in expected
+                            if isinstance(exp, type) and issubclass(exp, Exception)
+                        ),
+                        None,
+                    )
+                    if expected_exception is not None:
+                        with self.assertRaises(
+                            expected_exception=expected_exception, msg=fail_msg or msg
+                        ):
+                            if isinstance(result, Exception):
+                                raise result
+                    else:
+                        expected_list = next(
+                            (exp for exp in expected if isinstance(exp, list)), None
+                        )
+                        expected_dict = next(
+                            (exp for exp in expected if isinstance(exp, dict)), None
+                        )
+                        if (expected_list, expected_dict) != (None, None):
+                            self.assertParseResultsEquals(
+                                result,
+                                expected_list=expected_list,
+                                expected_dict=expected_dict,
+                                msg=fail_msg or msg,
+                            )
+                        else:
+                            # warning here maybe?
+                            print(f"no validation for {test_string!r}")
+
+            # do this last, in case some specific test results can be reported instead
+            self.assertTrue(
+                run_test_success, msg=msg if msg is not None else "failed runTests"
+            )
+
+        @contextmanager
+        def assertRaisesParseException(self, exc_type=ParseException, msg=None):
+            with self.assertRaises(exc_type, msg=msg):
+                yield
+
+    @staticmethod
+    def with_line_numbers(
+        s: str,
+        start_line: typing.Optional[int] = None,
+        end_line: typing.Optional[int] = None,
+        expand_tabs: bool = True,
+        eol_mark: str = "|",
+        mark_spaces: typing.Optional[str] = None,
+        mark_control: typing.Optional[str] = None,
+    ) -> str:
+        """
+        Helpful method for debugging a parser - prints a string with line and column numbers.
+        (Line and column numbers are 1-based.)
+
+        :param s: tuple(bool, str - string to be printed with line and column numbers
+        :param start_line: int - (optional) starting line number in s to print (default=1)
+        :param end_line: int - (optional) ending line number in s to print (default=len(s))
+        :param expand_tabs: bool - (optional) expand tabs to spaces, to match the pyparsing default
+        :param eol_mark: str - (optional) string to mark the end of lines, helps visualize trailing spaces (default="|")
+        :param mark_spaces: str - (optional) special character to display in place of spaces
+        :param mark_control: str - (optional) convert non-printing control characters to a placeholding
+                                 character; valid values:
+                                 - "unicode" - replaces control chars with Unicode symbols, such as "␍" and "␊"
+                                 - any single character string - replace control characters with given string
+                                 - None (default) - string is displayed as-is
+
+        :return: str - input string with leading line numbers and column number headers
+        """
+        if expand_tabs:
+            s = s.expandtabs()
+        if mark_control is not None:
+            mark_control = typing.cast(str, mark_control)
+            if mark_control == "unicode":
+                transtable_map = {
+                    c: u for c, u in zip(range(0, 33), range(0x2400, 0x2433))
+                }
+                transtable_map[127] = 0x2421
+                tbl = str.maketrans(transtable_map)
+                eol_mark = ""
+            else:
+                ord_mark_control = ord(mark_control)
+                tbl = str.maketrans(
+                    {c: ord_mark_control for c in list(range(0, 32)) + [127]}
+                )
+            s = s.translate(tbl)
+        if mark_spaces is not None and mark_spaces != " ":
+            if mark_spaces == "unicode":
+                tbl = str.maketrans({9: 0x2409, 32: 0x2423})
+                s = s.translate(tbl)
+            else:
+                s = s.replace(" ", mark_spaces)
+        if start_line is None:
+            start_line = 1
+        if end_line is None:
+            end_line = len(s)
+        end_line = min(end_line, len(s))
+        start_line = min(max(1, start_line), end_line)
+
+        if mark_control != "unicode":
+            s_lines = s.splitlines()[start_line - 1 : end_line]
+        else:
+            s_lines = [line + "␊" for line in s.split("␊")[start_line - 1 : end_line]]
+        if not s_lines:
+            return ""
+
+        lineno_width = len(str(end_line))
+        max_line_len = max(len(line) for line in s_lines)
+        lead = " " * (lineno_width + 1)
+        if max_line_len >= 99:
+            header0 = (
+                lead
+                + "".join(
+                    f"{' ' * 99}{(i + 1) % 100}"
+                    for i in range(max(max_line_len // 100, 1))
+                )
+                + "\n"
+            )
+        else:
+            header0 = ""
+        header1 = (
+            header0
+            + lead
+            + "".join(f"         {(i + 1) % 10}" for i in range(-(-max_line_len // 10)))
+            + "\n"
+        )
+        header2 = lead + "1234567890" * (-(-max_line_len // 10)) + "\n"
+        return (
+            header1
+            + header2
+            + "\n".join(
+                f"{i:{lineno_width}d}:{line}{eol_mark}"
+                for i, line in enumerate(s_lines, start=start_line)
+            )
+            + "\n"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/unicode.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/unicode.py
new file mode 100644
index 00000000..ec0b3a4f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/unicode.py
@@ -0,0 +1,361 @@
+# unicode.py
+
+import sys
+from itertools import filterfalse
+from typing import List, Tuple, Union
+
+
+class _lazyclassproperty:
+    def __init__(self, fn):
+        self.fn = fn
+        self.__doc__ = fn.__doc__
+        self.__name__ = fn.__name__
+
+    def __get__(self, obj, cls):
+        if cls is None:
+            cls = type(obj)
+        if not hasattr(cls, "_intern") or any(
+            cls._intern is getattr(superclass, "_intern", [])
+            for superclass in cls.__mro__[1:]
+        ):
+            cls._intern = {}
+        attrname = self.fn.__name__
+        if attrname not in cls._intern:
+            cls._intern[attrname] = self.fn(cls)
+        return cls._intern[attrname]
+
+
+UnicodeRangeList = List[Union[Tuple[int, int], Tuple[int]]]
+
+
+class unicode_set:
+    """
+    A set of Unicode characters, for language-specific strings for
+    ``alphas``, ``nums``, ``alphanums``, and ``printables``.
+    A unicode_set is defined by a list of ranges in the Unicode character
+    set, in a class attribute ``_ranges``. Ranges can be specified using
+    2-tuples or a 1-tuple, such as::
+
+        _ranges = [
+            (0x0020, 0x007e),
+            (0x00a0, 0x00ff),
+            (0x0100,),
+            ]
+
+    Ranges are left- and right-inclusive. A 1-tuple of (x,) is treated as (x, x).
+
+    A unicode set can also be defined using multiple inheritance of other unicode sets::
+
+        class CJK(Chinese, Japanese, Korean):
+            pass
+    """
+
+    _ranges: UnicodeRangeList = []
+
+    @_lazyclassproperty
+    def _chars_for_ranges(cls):
+        ret = []
+        for cc in cls.__mro__:
+            if cc is unicode_set:
+                break
+            for rr in getattr(cc, "_ranges", ()):
+                ret.extend(range(rr[0], rr[-1] + 1))
+        return [chr(c) for c in sorted(set(ret))]
+
+    @_lazyclassproperty
+    def printables(cls):
+        """all non-whitespace characters in this range"""
+        return "".join(filterfalse(str.isspace, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphas(cls):
+        """all alphabetic characters in this range"""
+        return "".join(filter(str.isalpha, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def nums(cls):
+        """all numeric digit characters in this range"""
+        return "".join(filter(str.isdigit, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphanums(cls):
+        """all alphanumeric characters in this range"""
+        return cls.alphas + cls.nums
+
+    @_lazyclassproperty
+    def identchars(cls):
+        """all characters in this range that are valid identifier characters, plus underscore '_'"""
+        return "".join(
+            sorted(
+                set(
+                    "".join(filter(str.isidentifier, cls._chars_for_ranges))
+                    + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzªµº"
+                    + "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ"
+                    + "_"
+                )
+            )
+        )
+
+    @_lazyclassproperty
+    def identbodychars(cls):
+        """
+        all characters in this range that are valid identifier body characters,
+        plus the digits 0-9, and · (Unicode MIDDLE DOT)
+        """
+        return "".join(
+            sorted(
+                set(
+                    cls.identchars
+                    + "0123456789·"
+                    + "".join(
+                        [c for c in cls._chars_for_ranges if ("_" + c).isidentifier()]
+                    )
+                )
+            )
+        )
+
+    @_lazyclassproperty
+    def identifier(cls):
+        """
+        a pyparsing Word expression for an identifier using this range's definitions for
+        identchars and identbodychars
+        """
+        from pip._vendor.pyparsing import Word
+
+        return Word(cls.identchars, cls.identbodychars)
+
+
+class pyparsing_unicode(unicode_set):
+    """
+    A namespace class for defining common language unicode_sets.
+    """
+
+    # fmt: off
+
+    # define ranges in language character sets
+    _ranges: UnicodeRangeList = [
+        (0x0020, sys.maxunicode),
+    ]
+
+    class BasicMultilingualPlane(unicode_set):
+        """Unicode set for the Basic Multilingual Plane"""
+        _ranges: UnicodeRangeList = [
+            (0x0020, 0xFFFF),
+        ]
+
+    class Latin1(unicode_set):
+        """Unicode set for Latin-1 Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0020, 0x007E),
+            (0x00A0, 0x00FF),
+        ]
+
+    class LatinA(unicode_set):
+        """Unicode set for Latin-A Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0100, 0x017F),
+        ]
+
+    class LatinB(unicode_set):
+        """Unicode set for Latin-B Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0180, 0x024F),
+        ]
+
+    class Greek(unicode_set):
+        """Unicode set for Greek Unicode Character Ranges"""
+        _ranges: UnicodeRangeList = [
+            (0x0342, 0x0345),
+            (0x0370, 0x0377),
+            (0x037A, 0x037F),
+            (0x0384, 0x038A),
+            (0x038C,),
+            (0x038E, 0x03A1),
+            (0x03A3, 0x03E1),
+            (0x03F0, 0x03FF),
+            (0x1D26, 0x1D2A),
+            (0x1D5E,),
+            (0x1D60,),
+            (0x1D66, 0x1D6A),
+            (0x1F00, 0x1F15),
+            (0x1F18, 0x1F1D),
+            (0x1F20, 0x1F45),
+            (0x1F48, 0x1F4D),
+            (0x1F50, 0x1F57),
+            (0x1F59,),
+            (0x1F5B,),
+            (0x1F5D,),
+            (0x1F5F, 0x1F7D),
+            (0x1F80, 0x1FB4),
+            (0x1FB6, 0x1FC4),
+            (0x1FC6, 0x1FD3),
+            (0x1FD6, 0x1FDB),
+            (0x1FDD, 0x1FEF),
+            (0x1FF2, 0x1FF4),
+            (0x1FF6, 0x1FFE),
+            (0x2129,),
+            (0x2719, 0x271A),
+            (0xAB65,),
+            (0x10140, 0x1018D),
+            (0x101A0,),
+            (0x1D200, 0x1D245),
+            (0x1F7A1, 0x1F7A7),
+        ]
+
+    class Cyrillic(unicode_set):
+        """Unicode set for Cyrillic Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0400, 0x052F),
+            (0x1C80, 0x1C88),
+            (0x1D2B,),
+            (0x1D78,),
+            (0x2DE0, 0x2DFF),
+            (0xA640, 0xA672),
+            (0xA674, 0xA69F),
+            (0xFE2E, 0xFE2F),
+        ]
+
+    class Chinese(unicode_set):
+        """Unicode set for Chinese Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x2E80, 0x2E99),
+            (0x2E9B, 0x2EF3),
+            (0x31C0, 0x31E3),
+            (0x3400, 0x4DB5),
+            (0x4E00, 0x9FEF),
+            (0xA700, 0xA707),
+            (0xF900, 0xFA6D),
+            (0xFA70, 0xFAD9),
+            (0x16FE2, 0x16FE3),
+            (0x1F210, 0x1F212),
+            (0x1F214, 0x1F23B),
+            (0x1F240, 0x1F248),
+            (0x20000, 0x2A6D6),
+            (0x2A700, 0x2B734),
+            (0x2B740, 0x2B81D),
+            (0x2B820, 0x2CEA1),
+            (0x2CEB0, 0x2EBE0),
+            (0x2F800, 0x2FA1D),
+        ]
+
+    class Japanese(unicode_set):
+        """Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana ranges"""
+
+        class Kanji(unicode_set):
+            "Unicode set for Kanji Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x4E00, 0x9FBF),
+                (0x3000, 0x303F),
+            ]
+
+        class Hiragana(unicode_set):
+            """Unicode set for Hiragana Unicode Character Range"""
+            _ranges: UnicodeRangeList = [
+                (0x3041, 0x3096),
+                (0x3099, 0x30A0),
+                (0x30FC,),
+                (0xFF70,),
+                (0x1B001,),
+                (0x1B150, 0x1B152),
+                (0x1F200,),
+            ]
+
+        class Katakana(unicode_set):
+            """Unicode set for Katakana  Unicode Character Range"""
+            _ranges: UnicodeRangeList = [
+                (0x3099, 0x309C),
+                (0x30A0, 0x30FF),
+                (0x31F0, 0x31FF),
+                (0x32D0, 0x32FE),
+                (0xFF65, 0xFF9F),
+                (0x1B000,),
+                (0x1B164, 0x1B167),
+                (0x1F201, 0x1F202),
+                (0x1F213,),
+            ]
+
+        漢字 = Kanji
+        カタカナ = Katakana
+        ひらがな = Hiragana
+
+        _ranges = (
+            Kanji._ranges
+            + Hiragana._ranges
+            + Katakana._ranges
+        )
+
+    class Hangul(unicode_set):
+        """Unicode set for Hangul (Korean) Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x1100, 0x11FF),
+            (0x302E, 0x302F),
+            (0x3131, 0x318E),
+            (0x3200, 0x321C),
+            (0x3260, 0x327B),
+            (0x327E,),
+            (0xA960, 0xA97C),
+            (0xAC00, 0xD7A3),
+            (0xD7B0, 0xD7C6),
+            (0xD7CB, 0xD7FB),
+            (0xFFA0, 0xFFBE),
+            (0xFFC2, 0xFFC7),
+            (0xFFCA, 0xFFCF),
+            (0xFFD2, 0xFFD7),
+            (0xFFDA, 0xFFDC),
+        ]
+
+    Korean = Hangul
+
+    class CJK(Chinese, Japanese, Hangul):
+        """Unicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character Range"""
+
+    class Thai(unicode_set):
+        """Unicode set for Thai Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0E01, 0x0E3A),
+            (0x0E3F, 0x0E5B)
+        ]
+
+    class Arabic(unicode_set):
+        """Unicode set for Arabic Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0600, 0x061B),
+            (0x061E, 0x06FF),
+            (0x0700, 0x077F),
+        ]
+
+    class Hebrew(unicode_set):
+        """Unicode set for Hebrew Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0591, 0x05C7),
+            (0x05D0, 0x05EA),
+            (0x05EF, 0x05F4),
+            (0xFB1D, 0xFB36),
+            (0xFB38, 0xFB3C),
+            (0xFB3E,),
+            (0xFB40, 0xFB41),
+            (0xFB43, 0xFB44),
+            (0xFB46, 0xFB4F),
+        ]
+
+    class Devanagari(unicode_set):
+        """Unicode set for Devanagari Unicode Character Range"""
+        _ranges: UnicodeRangeList = [
+            (0x0900, 0x097F),
+            (0xA8E0, 0xA8FF)
+        ]
+
+    BMP = BasicMultilingualPlane
+
+    # add language identifiers using language Unicode
+    العربية = Arabic
+    中文 = Chinese
+    кириллица = Cyrillic
+    Ελληνικά = Greek
+    עִברִית = Hebrew
+    日本語 = Japanese
+    한국어 = Korean
+    ไทย = Thai
+    देवनागरी = Devanagari
+
+    # fmt: on
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/util.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/util.py
new file mode 100644
index 00000000..d8d3f414
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyparsing/util.py
@@ -0,0 +1,284 @@
+# util.py
+import inspect
+import warnings
+import types
+import collections
+import itertools
+from functools import lru_cache, wraps
+from typing import Callable, List, Union, Iterable, TypeVar, cast
+
+_bslash = chr(92)
+C = TypeVar("C", bound=Callable)
+
+
+class __config_flags:
+    """Internal class for defining compatibility and debugging flags"""
+
+    _all_names: List[str] = []
+    _fixed_names: List[str] = []
+    _type_desc = "configuration"
+
+    @classmethod
+    def _set(cls, dname, value):
+        if dname in cls._fixed_names:
+            warnings.warn(
+                f"{cls.__name__}.{dname} {cls._type_desc} is {str(getattr(cls, dname)).upper()}"
+                f" and cannot be overridden",
+                stacklevel=3,
+            )
+            return
+        if dname in cls._all_names:
+            setattr(cls, dname, value)
+        else:
+            raise ValueError(f"no such {cls._type_desc} {dname!r}")
+
+    enable = classmethod(lambda cls, name: cls._set(name, True))
+    disable = classmethod(lambda cls, name: cls._set(name, False))
+
+
+@lru_cache(maxsize=128)
+def col(loc: int, strg: str) -> int:
+    """
+    Returns current column within a string, counting newlines as line separators.
+    The first column is number 1.
+
+    Note: the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See
+    :class:`ParserElement.parse_string` for more
+    information on parsing strings containing ``<TAB>`` s, and suggested
+    methods to maintain a consistent view of the parsed string, the parse
+    location, and line and column positions within the parsed string.
+    """
+    s = strg
+    return 1 if 0 < loc < len(s) and s[loc - 1] == "\n" else loc - s.rfind("\n", 0, loc)
+
+
+@lru_cache(maxsize=128)
+def lineno(loc: int, strg: str) -> int:
+    """Returns current line number within a string, counting newlines as line separators.
+    The first line is number 1.
+
+    Note - the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See :class:`ParserElement.parse_string`
+    for more information on parsing strings containing ``<TAB>`` s, and
+    suggested methods to maintain a consistent view of the parsed string, the
+    parse location, and line and column positions within the parsed string.
+    """
+    return strg.count("\n", 0, loc) + 1
+
+
+@lru_cache(maxsize=128)
+def line(loc: int, strg: str) -> str:
+    """
+    Returns the line of text containing loc within a string, counting newlines as line separators.
+    """
+    last_cr = strg.rfind("\n", 0, loc)
+    next_cr = strg.find("\n", loc)
+    return strg[last_cr + 1 : next_cr] if next_cr >= 0 else strg[last_cr + 1 :]
+
+
+class _UnboundedCache:
+    def __init__(self):
+        cache = {}
+        cache_get = cache.get
+        self.not_in_cache = not_in_cache = object()
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+
+        def clear(_):
+            cache.clear()
+
+        self.size = None
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class _FifoCache:
+    def __init__(self, size):
+        self.not_in_cache = not_in_cache = object()
+        cache = {}
+        keyring = [object()] * size
+        cache_get = cache.get
+        cache_pop = cache.pop
+        keyiter = itertools.cycle(range(size))
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+            i = next(keyiter)
+            cache_pop(keyring[i], None)
+            keyring[i] = key
+
+        def clear(_):
+            cache.clear()
+            keyring[:] = [object()] * size
+
+        self.size = size
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class LRUMemo:
+    """
+    A memoizing mapping that retains `capacity` deleted items
+
+    The memo tracks retained items by their access order; once `capacity` items
+    are retained, the least recently used item is discarded.
+    """
+
+    def __init__(self, capacity):
+        self._capacity = capacity
+        self._active = {}
+        self._memory = collections.OrderedDict()
+
+    def __getitem__(self, key):
+        try:
+            return self._active[key]
+        except KeyError:
+            self._memory.move_to_end(key)
+            return self._memory[key]
+
+    def __setitem__(self, key, value):
+        self._memory.pop(key, None)
+        self._active[key] = value
+
+    def __delitem__(self, key):
+        try:
+            value = self._active.pop(key)
+        except KeyError:
+            pass
+        else:
+            while len(self._memory) >= self._capacity:
+                self._memory.popitem(last=False)
+            self._memory[key] = value
+
+    def clear(self):
+        self._active.clear()
+        self._memory.clear()
+
+
+class UnboundedMemo(dict):
+    """
+    A memoizing mapping that retains all deleted items
+    """
+
+    def __delitem__(self, key):
+        pass
+
+
+def _escape_regex_range_chars(s: str) -> str:
+    # escape these chars: ^-[]
+    for c in r"\^-[]":
+        s = s.replace(c, _bslash + c)
+    s = s.replace("\n", r"\n")
+    s = s.replace("\t", r"\t")
+    return str(s)
+
+
+def _collapse_string_to_ranges(
+    s: Union[str, Iterable[str]], re_escape: bool = True
+) -> str:
+    def is_consecutive(c):
+        c_int = ord(c)
+        is_consecutive.prev, prev = c_int, is_consecutive.prev
+        if c_int - prev > 1:
+            is_consecutive.value = next(is_consecutive.counter)
+        return is_consecutive.value
+
+    is_consecutive.prev = 0  # type: ignore [attr-defined]
+    is_consecutive.counter = itertools.count()  # type: ignore [attr-defined]
+    is_consecutive.value = -1  # type: ignore [attr-defined]
+
+    def escape_re_range_char(c):
+        return "\\" + c if c in r"\^-][" else c
+
+    def no_escape_re_range_char(c):
+        return c
+
+    if not re_escape:
+        escape_re_range_char = no_escape_re_range_char
+
+    ret = []
+    s = "".join(sorted(set(s)))
+    if len(s) > 3:
+        for _, chars in itertools.groupby(s, key=is_consecutive):
+            first = last = next(chars)
+            last = collections.deque(
+                itertools.chain(iter([last]), chars), maxlen=1
+            ).pop()
+            if first == last:
+                ret.append(escape_re_range_char(first))
+            else:
+                sep = "" if ord(last) == ord(first) + 1 else "-"
+                ret.append(
+                    f"{escape_re_range_char(first)}{sep}{escape_re_range_char(last)}"
+                )
+    else:
+        ret = [escape_re_range_char(c) for c in s]
+
+    return "".join(ret)
+
+
+def _flatten(ll: list) -> list:
+    ret = []
+    for i in ll:
+        if isinstance(i, list):
+            ret.extend(_flatten(i))
+        else:
+            ret.append(i)
+    return ret
+
+
+def _make_synonym_function(compat_name: str, fn: C) -> C:
+    # In a future version, uncomment the code in the internal _inner() functions
+    # to begin emitting DeprecationWarnings.
+
+    # Unwrap staticmethod/classmethod
+    fn = getattr(fn, "__func__", fn)
+
+    # (Presence of 'self' arg in signature is used by explain_exception() methods, so we take
+    # some extra steps to add it if present in decorated function.)
+    if "self" == list(inspect.signature(fn).parameters)[0]:
+
+        @wraps(fn)
+        def _inner(self, *args, **kwargs):
+            # warnings.warn(
+            #     f"Deprecated - use {fn.__name__}", DeprecationWarning, stacklevel=3
+            # )
+            return fn(self, *args, **kwargs)
+
+    else:
+
+        @wraps(fn)
+        def _inner(*args, **kwargs):
+            # warnings.warn(
+            #     f"Deprecated - use {fn.__name__}", DeprecationWarning, stacklevel=3
+            # )
+            return fn(*args, **kwargs)
+
+    _inner.__doc__ = f"""Deprecated - use :class:`{fn.__name__}`"""
+    _inner.__name__ = compat_name
+    _inner.__annotations__ = fn.__annotations__
+    if isinstance(fn, types.FunctionType):
+        _inner.__kwdefaults__ = fn.__kwdefaults__
+    elif isinstance(fn, type) and hasattr(fn, "__init__"):
+        _inner.__kwdefaults__ = fn.__init__.__kwdefaults__
+    else:
+        _inner.__kwdefaults__ = None
+    _inner.__qualname__ = fn.__qualname__
+    return cast(C, _inner)
+
+
+def replaced_by_pep8(fn: C) -> Callable[[Callable], C]:
+    """
+    Decorator for pre-PEP8 compatibility synonyms, to link them to the new function.
+    """
+    return lambda other: _make_synonym_function(other.__name__, fn)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__init__.py
new file mode 100644
index 00000000..ddfcf7f7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__init__.py
@@ -0,0 +1,23 @@
+"""Wrappers to call pyproject.toml-based build backend hooks.
+"""
+
+from ._impl import (
+    BackendInvalid,
+    BackendUnavailable,
+    BuildBackendHookCaller,
+    HookMissing,
+    UnsupportedOperation,
+    default_subprocess_runner,
+    quiet_subprocess_runner,
+)
+
+__version__ = '1.0.0'
+__all__ = [
+    'BackendUnavailable',
+    'BackendInvalid',
+    'HookMissing',
+    'UnsupportedOperation',
+    'default_subprocess_runner',
+    'quiet_subprocess_runner',
+    'BuildBackendHookCaller',
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..11ec6a05
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__pycache__/_compat.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__pycache__/_compat.cpython-311.pyc
new file mode 100644
index 00000000..9c88931a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__pycache__/_impl.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__pycache__/_impl.cpython-311.pyc
new file mode 100644
index 00000000..d5ef38e3
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/__pycache__/_impl.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_compat.py
new file mode 100644
index 00000000..95e509c0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_compat.py
@@ -0,0 +1,8 @@
+__all__ = ("tomllib",)
+
+import sys
+
+if sys.version_info >= (3, 11):
+    import tomllib
+else:
+    from pip._vendor import tomli as tomllib
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_impl.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_impl.py
new file mode 100644
index 00000000..37b0e653
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_impl.py
@@ -0,0 +1,330 @@
+import json
+import os
+import sys
+import tempfile
+from contextlib import contextmanager
+from os.path import abspath
+from os.path import join as pjoin
+from subprocess import STDOUT, check_call, check_output
+
+from ._in_process import _in_proc_script_path
+
+
+def write_json(obj, path, **kwargs):
+    with open(path, 'w', encoding='utf-8') as f:
+        json.dump(obj, f, **kwargs)
+
+
+def read_json(path):
+    with open(path, encoding='utf-8') as f:
+        return json.load(f)
+
+
+class BackendUnavailable(Exception):
+    """Will be raised if the backend cannot be imported in the hook process."""
+    def __init__(self, traceback):
+        self.traceback = traceback
+
+
+class BackendInvalid(Exception):
+    """Will be raised if the backend is invalid."""
+    def __init__(self, backend_name, backend_path, message):
+        super().__init__(message)
+        self.backend_name = backend_name
+        self.backend_path = backend_path
+
+
+class HookMissing(Exception):
+    """Will be raised on missing hooks (if a fallback can't be used)."""
+    def __init__(self, hook_name):
+        super().__init__(hook_name)
+        self.hook_name = hook_name
+
+
+class UnsupportedOperation(Exception):
+    """May be raised by build_sdist if the backend indicates that it can't."""
+    def __init__(self, traceback):
+        self.traceback = traceback
+
+
+def default_subprocess_runner(cmd, cwd=None, extra_environ=None):
+    """The default method of calling the wrapper subprocess.
+
+    This uses :func:`subprocess.check_call` under the hood.
+    """
+    env = os.environ.copy()
+    if extra_environ:
+        env.update(extra_environ)
+
+    check_call(cmd, cwd=cwd, env=env)
+
+
+def quiet_subprocess_runner(cmd, cwd=None, extra_environ=None):
+    """Call the subprocess while suppressing output.
+
+    This uses :func:`subprocess.check_output` under the hood.
+    """
+    env = os.environ.copy()
+    if extra_environ:
+        env.update(extra_environ)
+
+    check_output(cmd, cwd=cwd, env=env, stderr=STDOUT)
+
+
+def norm_and_check(source_tree, requested):
+    """Normalise and check a backend path.
+
+    Ensure that the requested backend path is specified as a relative path,
+    and resolves to a location under the given source tree.
+
+    Return an absolute version of the requested path.
+    """
+    if os.path.isabs(requested):
+        raise ValueError("paths must be relative")
+
+    abs_source = os.path.abspath(source_tree)
+    abs_requested = os.path.normpath(os.path.join(abs_source, requested))
+    # We have to use commonprefix for Python 2.7 compatibility. So we
+    # normalise case to avoid problems because commonprefix is a character
+    # based comparison :-(
+    norm_source = os.path.normcase(abs_source)
+    norm_requested = os.path.normcase(abs_requested)
+    if os.path.commonprefix([norm_source, norm_requested]) != norm_source:
+        raise ValueError("paths must be inside source tree")
+
+    return abs_requested
+
+
+class BuildBackendHookCaller:
+    """A wrapper to call the build backend hooks for a source directory.
+    """
+
+    def __init__(
+            self,
+            source_dir,
+            build_backend,
+            backend_path=None,
+            runner=None,
+            python_executable=None,
+    ):
+        """
+        :param source_dir: The source directory to invoke the build backend for
+        :param build_backend: The build backend spec
+        :param backend_path: Additional path entries for the build backend spec
+        :param runner: The :ref:`subprocess runner <Subprocess Runners>` to use
+        :param python_executable:
+            The Python executable used to invoke the build backend
+        """
+        if runner is None:
+            runner = default_subprocess_runner
+
+        self.source_dir = abspath(source_dir)
+        self.build_backend = build_backend
+        if backend_path:
+            backend_path = [
+                norm_and_check(self.source_dir, p) for p in backend_path
+            ]
+        self.backend_path = backend_path
+        self._subprocess_runner = runner
+        if not python_executable:
+            python_executable = sys.executable
+        self.python_executable = python_executable
+
+    @contextmanager
+    def subprocess_runner(self, runner):
+        """A context manager for temporarily overriding the default
+        :ref:`subprocess runner <Subprocess Runners>`.
+
+        .. code-block:: python
+
+            hook_caller = BuildBackendHookCaller(...)
+            with hook_caller.subprocess_runner(quiet_subprocess_runner):
+                ...
+        """
+        prev = self._subprocess_runner
+        self._subprocess_runner = runner
+        try:
+            yield
+        finally:
+            self._subprocess_runner = prev
+
+    def _supported_features(self):
+        """Return the list of optional features supported by the backend."""
+        return self._call_hook('_supported_features', {})
+
+    def get_requires_for_build_wheel(self, config_settings=None):
+        """Get additional dependencies required for building a wheel.
+
+        :returns: A list of :pep:`dependency specifiers <508>`.
+        :rtype: list[str]
+
+        .. admonition:: Fallback
+
+            If the build backend does not defined a hook with this name, an
+            empty list will be returned.
+        """
+        return self._call_hook('get_requires_for_build_wheel', {
+            'config_settings': config_settings
+        })
+
+    def prepare_metadata_for_build_wheel(
+            self, metadata_directory, config_settings=None,
+            _allow_fallback=True):
+        """Prepare a ``*.dist-info`` folder with metadata for this project.
+
+        :returns: Name of the newly created subfolder within
+                  ``metadata_directory``, containing the metadata.
+        :rtype: str
+
+        .. admonition:: Fallback
+
+            If the build backend does not define a hook with this name and
+            ``_allow_fallback`` is truthy, the backend will be asked to build a
+            wheel via the ``build_wheel`` hook and the dist-info extracted from
+            that will be returned.
+        """
+        return self._call_hook('prepare_metadata_for_build_wheel', {
+            'metadata_directory': abspath(metadata_directory),
+            'config_settings': config_settings,
+            '_allow_fallback': _allow_fallback,
+        })
+
+    def build_wheel(
+            self, wheel_directory, config_settings=None,
+            metadata_directory=None):
+        """Build a wheel from this project.
+
+        :returns:
+            The name of the newly created wheel within ``wheel_directory``.
+
+        .. admonition:: Interaction with fallback
+
+            If the ``build_wheel`` hook was called in the fallback for
+            :meth:`prepare_metadata_for_build_wheel`, the build backend would
+            not be invoked. Instead, the previously built wheel will be copied
+            to ``wheel_directory`` and the name of that file will be returned.
+        """
+        if metadata_directory is not None:
+            metadata_directory = abspath(metadata_directory)
+        return self._call_hook('build_wheel', {
+            'wheel_directory': abspath(wheel_directory),
+            'config_settings': config_settings,
+            'metadata_directory': metadata_directory,
+        })
+
+    def get_requires_for_build_editable(self, config_settings=None):
+        """Get additional dependencies required for building an editable wheel.
+
+        :returns: A list of :pep:`dependency specifiers <508>`.
+        :rtype: list[str]
+
+        .. admonition:: Fallback
+
+            If the build backend does not defined a hook with this name, an
+            empty list will be returned.
+        """
+        return self._call_hook('get_requires_for_build_editable', {
+            'config_settings': config_settings
+        })
+
+    def prepare_metadata_for_build_editable(
+            self, metadata_directory, config_settings=None,
+            _allow_fallback=True):
+        """Prepare a ``*.dist-info`` folder with metadata for this project.
+
+        :returns: Name of the newly created subfolder within
+                  ``metadata_directory``, containing the metadata.
+        :rtype: str
+
+        .. admonition:: Fallback
+
+            If the build backend does not define a hook with this name and
+            ``_allow_fallback`` is truthy, the backend will be asked to build a
+            wheel via the ``build_editable`` hook and the dist-info
+            extracted from that will be returned.
+        """
+        return self._call_hook('prepare_metadata_for_build_editable', {
+            'metadata_directory': abspath(metadata_directory),
+            'config_settings': config_settings,
+            '_allow_fallback': _allow_fallback,
+        })
+
+    def build_editable(
+            self, wheel_directory, config_settings=None,
+            metadata_directory=None):
+        """Build an editable wheel from this project.
+
+        :returns:
+            The name of the newly created wheel within ``wheel_directory``.
+
+        .. admonition:: Interaction with fallback
+
+            If the ``build_editable`` hook was called in the fallback for
+            :meth:`prepare_metadata_for_build_editable`, the build backend
+            would not be invoked. Instead, the previously built wheel will be
+            copied to ``wheel_directory`` and the name of that file will be
+            returned.
+        """
+        if metadata_directory is not None:
+            metadata_directory = abspath(metadata_directory)
+        return self._call_hook('build_editable', {
+            'wheel_directory': abspath(wheel_directory),
+            'config_settings': config_settings,
+            'metadata_directory': metadata_directory,
+        })
+
+    def get_requires_for_build_sdist(self, config_settings=None):
+        """Get additional dependencies required for building an sdist.
+
+        :returns: A list of :pep:`dependency specifiers <508>`.
+        :rtype: list[str]
+        """
+        return self._call_hook('get_requires_for_build_sdist', {
+            'config_settings': config_settings
+        })
+
+    def build_sdist(self, sdist_directory, config_settings=None):
+        """Build an sdist from this project.
+
+        :returns:
+            The name of the newly created sdist within ``wheel_directory``.
+        """
+        return self._call_hook('build_sdist', {
+            'sdist_directory': abspath(sdist_directory),
+            'config_settings': config_settings,
+        })
+
+    def _call_hook(self, hook_name, kwargs):
+        extra_environ = {'PEP517_BUILD_BACKEND': self.build_backend}
+
+        if self.backend_path:
+            backend_path = os.pathsep.join(self.backend_path)
+            extra_environ['PEP517_BACKEND_PATH'] = backend_path
+
+        with tempfile.TemporaryDirectory() as td:
+            hook_input = {'kwargs': kwargs}
+            write_json(hook_input, pjoin(td, 'input.json'), indent=2)
+
+            # Run the hook in a subprocess
+            with _in_proc_script_path() as script:
+                python = self.python_executable
+                self._subprocess_runner(
+                    [python, abspath(str(script)), hook_name, td],
+                    cwd=self.source_dir,
+                    extra_environ=extra_environ
+                )
+
+            data = read_json(pjoin(td, 'output.json'))
+            if data.get('unsupported'):
+                raise UnsupportedOperation(data.get('traceback', ''))
+            if data.get('no_backend'):
+                raise BackendUnavailable(data.get('traceback', ''))
+            if data.get('backend_invalid'):
+                raise BackendInvalid(
+                    backend_name=self.build_backend,
+                    backend_path=self.backend_path,
+                    message=data.get('backend_error', '')
+                )
+            if data.get('hook_missing'):
+                raise HookMissing(data.get('missing_hook_name') or hook_name)
+            return data['return_val']
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__init__.py
new file mode 100644
index 00000000..917fa065
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__init__.py
@@ -0,0 +1,18 @@
+"""This is a subpackage because the directory is on sys.path for _in_process.py
+
+The subpackage should stay as empty as possible to avoid shadowing modules that
+the backend might import.
+"""
+
+import importlib.resources as resources
+
+try:
+    resources.files
+except AttributeError:
+    # Python 3.8 compatibility
+    def _in_proc_script_path():
+        return resources.path(__package__, '_in_process.py')
+else:
+    def _in_proc_script_path():
+        return resources.as_file(
+            resources.files(__package__).joinpath('_in_process.py'))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..279684fa
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__pycache__/_in_process.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__pycache__/_in_process.cpython-311.pyc
new file mode 100644
index 00000000..07e3fe12
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/__pycache__/_in_process.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py
new file mode 100644
index 00000000..ee511ff2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py
@@ -0,0 +1,353 @@
+"""This is invoked in a subprocess to call the build backend hooks.
+
+It expects:
+- Command line args: hook_name, control_dir
+- Environment variables:
+      PEP517_BUILD_BACKEND=entry.point:spec
+      PEP517_BACKEND_PATH=paths (separated with os.pathsep)
+- control_dir/input.json:
+  - {"kwargs": {...}}
+
+Results:
+- control_dir/output.json
+  - {"return_val": ...}
+"""
+import json
+import os
+import os.path
+import re
+import shutil
+import sys
+import traceback
+from glob import glob
+from importlib import import_module
+from os.path import join as pjoin
+
+# This file is run as a script, and `import wrappers` is not zip-safe, so we
+# include write_json() and read_json() from wrappers.py.
+
+
+def write_json(obj, path, **kwargs):
+    with open(path, 'w', encoding='utf-8') as f:
+        json.dump(obj, f, **kwargs)
+
+
+def read_json(path):
+    with open(path, encoding='utf-8') as f:
+        return json.load(f)
+
+
+class BackendUnavailable(Exception):
+    """Raised if we cannot import the backend"""
+    def __init__(self, traceback):
+        self.traceback = traceback
+
+
+class BackendInvalid(Exception):
+    """Raised if the backend is invalid"""
+    def __init__(self, message):
+        self.message = message
+
+
+class HookMissing(Exception):
+    """Raised if a hook is missing and we are not executing the fallback"""
+    def __init__(self, hook_name=None):
+        super().__init__(hook_name)
+        self.hook_name = hook_name
+
+
+def contained_in(filename, directory):
+    """Test if a file is located within the given directory."""
+    filename = os.path.normcase(os.path.abspath(filename))
+    directory = os.path.normcase(os.path.abspath(directory))
+    return os.path.commonprefix([filename, directory]) == directory
+
+
+def _build_backend():
+    """Find and load the build backend"""
+    # Add in-tree backend directories to the front of sys.path.
+    backend_path = os.environ.get('PEP517_BACKEND_PATH')
+    if backend_path:
+        extra_pathitems = backend_path.split(os.pathsep)
+        sys.path[:0] = extra_pathitems
+
+    ep = os.environ['PEP517_BUILD_BACKEND']
+    mod_path, _, obj_path = ep.partition(':')
+    try:
+        obj = import_module(mod_path)
+    except ImportError:
+        raise BackendUnavailable(traceback.format_exc())
+
+    if backend_path:
+        if not any(
+            contained_in(obj.__file__, path)
+            for path in extra_pathitems
+        ):
+            raise BackendInvalid("Backend was not loaded from backend-path")
+
+    if obj_path:
+        for path_part in obj_path.split('.'):
+            obj = getattr(obj, path_part)
+    return obj
+
+
+def _supported_features():
+    """Return the list of options features supported by the backend.
+
+    Returns a list of strings.
+    The only possible value is 'build_editable'.
+    """
+    backend = _build_backend()
+    features = []
+    if hasattr(backend, "build_editable"):
+        features.append("build_editable")
+    return features
+
+
+def get_requires_for_build_wheel(config_settings):
+    """Invoke the optional get_requires_for_build_wheel hook
+
+    Returns [] if the hook is not defined.
+    """
+    backend = _build_backend()
+    try:
+        hook = backend.get_requires_for_build_wheel
+    except AttributeError:
+        return []
+    else:
+        return hook(config_settings)
+
+
+def get_requires_for_build_editable(config_settings):
+    """Invoke the optional get_requires_for_build_editable hook
+
+    Returns [] if the hook is not defined.
+    """
+    backend = _build_backend()
+    try:
+        hook = backend.get_requires_for_build_editable
+    except AttributeError:
+        return []
+    else:
+        return hook(config_settings)
+
+
+def prepare_metadata_for_build_wheel(
+        metadata_directory, config_settings, _allow_fallback):
+    """Invoke optional prepare_metadata_for_build_wheel
+
+    Implements a fallback by building a wheel if the hook isn't defined,
+    unless _allow_fallback is False in which case HookMissing is raised.
+    """
+    backend = _build_backend()
+    try:
+        hook = backend.prepare_metadata_for_build_wheel
+    except AttributeError:
+        if not _allow_fallback:
+            raise HookMissing()
+    else:
+        return hook(metadata_directory, config_settings)
+    # fallback to build_wheel outside the try block to avoid exception chaining
+    # which can be confusing to users and is not relevant
+    whl_basename = backend.build_wheel(metadata_directory, config_settings)
+    return _get_wheel_metadata_from_wheel(whl_basename, metadata_directory,
+                                          config_settings)
+
+
+def prepare_metadata_for_build_editable(
+        metadata_directory, config_settings, _allow_fallback):
+    """Invoke optional prepare_metadata_for_build_editable
+
+    Implements a fallback by building an editable wheel if the hook isn't
+    defined, unless _allow_fallback is False in which case HookMissing is
+    raised.
+    """
+    backend = _build_backend()
+    try:
+        hook = backend.prepare_metadata_for_build_editable
+    except AttributeError:
+        if not _allow_fallback:
+            raise HookMissing()
+        try:
+            build_hook = backend.build_editable
+        except AttributeError:
+            raise HookMissing(hook_name='build_editable')
+        else:
+            whl_basename = build_hook(metadata_directory, config_settings)
+            return _get_wheel_metadata_from_wheel(whl_basename,
+                                                  metadata_directory,
+                                                  config_settings)
+    else:
+        return hook(metadata_directory, config_settings)
+
+
+WHEEL_BUILT_MARKER = 'PEP517_ALREADY_BUILT_WHEEL'
+
+
+def _dist_info_files(whl_zip):
+    """Identify the .dist-info folder inside a wheel ZipFile."""
+    res = []
+    for path in whl_zip.namelist():
+        m = re.match(r'[^/\\]+-[^/\\]+\.dist-info/', path)
+        if m:
+            res.append(path)
+    if res:
+        return res
+    raise Exception("No .dist-info folder found in wheel")
+
+
+def _get_wheel_metadata_from_wheel(
+        whl_basename, metadata_directory, config_settings):
+    """Extract the metadata from a wheel.
+
+    Fallback for when the build backend does not
+    define the 'get_wheel_metadata' hook.
+    """
+    from zipfile import ZipFile
+    with open(os.path.join(metadata_directory, WHEEL_BUILT_MARKER), 'wb'):
+        pass  # Touch marker file
+
+    whl_file = os.path.join(metadata_directory, whl_basename)
+    with ZipFile(whl_file) as zipf:
+        dist_info = _dist_info_files(zipf)
+        zipf.extractall(path=metadata_directory, members=dist_info)
+    return dist_info[0].split('/')[0]
+
+
+def _find_already_built_wheel(metadata_directory):
+    """Check for a wheel already built during the get_wheel_metadata hook.
+    """
+    if not metadata_directory:
+        return None
+    metadata_parent = os.path.dirname(metadata_directory)
+    if not os.path.isfile(pjoin(metadata_parent, WHEEL_BUILT_MARKER)):
+        return None
+
+    whl_files = glob(os.path.join(metadata_parent, '*.whl'))
+    if not whl_files:
+        print('Found wheel built marker, but no .whl files')
+        return None
+    if len(whl_files) > 1:
+        print('Found multiple .whl files; unspecified behaviour. '
+              'Will call build_wheel.')
+        return None
+
+    # Exactly one .whl file
+    return whl_files[0]
+
+
+def build_wheel(wheel_directory, config_settings, metadata_directory=None):
+    """Invoke the mandatory build_wheel hook.
+
+    If a wheel was already built in the
+    prepare_metadata_for_build_wheel fallback, this
+    will copy it rather than rebuilding the wheel.
+    """
+    prebuilt_whl = _find_already_built_wheel(metadata_directory)
+    if prebuilt_whl:
+        shutil.copy2(prebuilt_whl, wheel_directory)
+        return os.path.basename(prebuilt_whl)
+
+    return _build_backend().build_wheel(wheel_directory, config_settings,
+                                        metadata_directory)
+
+
+def build_editable(wheel_directory, config_settings, metadata_directory=None):
+    """Invoke the optional build_editable hook.
+
+    If a wheel was already built in the
+    prepare_metadata_for_build_editable fallback, this
+    will copy it rather than rebuilding the wheel.
+    """
+    backend = _build_backend()
+    try:
+        hook = backend.build_editable
+    except AttributeError:
+        raise HookMissing()
+    else:
+        prebuilt_whl = _find_already_built_wheel(metadata_directory)
+        if prebuilt_whl:
+            shutil.copy2(prebuilt_whl, wheel_directory)
+            return os.path.basename(prebuilt_whl)
+
+        return hook(wheel_directory, config_settings, metadata_directory)
+
+
+def get_requires_for_build_sdist(config_settings):
+    """Invoke the optional get_requires_for_build_wheel hook
+
+    Returns [] if the hook is not defined.
+    """
+    backend = _build_backend()
+    try:
+        hook = backend.get_requires_for_build_sdist
+    except AttributeError:
+        return []
+    else:
+        return hook(config_settings)
+
+
+class _DummyException(Exception):
+    """Nothing should ever raise this exception"""
+
+
+class GotUnsupportedOperation(Exception):
+    """For internal use when backend raises UnsupportedOperation"""
+    def __init__(self, traceback):
+        self.traceback = traceback
+
+
+def build_sdist(sdist_directory, config_settings):
+    """Invoke the mandatory build_sdist hook."""
+    backend = _build_backend()
+    try:
+        return backend.build_sdist(sdist_directory, config_settings)
+    except getattr(backend, 'UnsupportedOperation', _DummyException):
+        raise GotUnsupportedOperation(traceback.format_exc())
+
+
+HOOK_NAMES = {
+    'get_requires_for_build_wheel',
+    'prepare_metadata_for_build_wheel',
+    'build_wheel',
+    'get_requires_for_build_editable',
+    'prepare_metadata_for_build_editable',
+    'build_editable',
+    'get_requires_for_build_sdist',
+    'build_sdist',
+    '_supported_features',
+}
+
+
+def main():
+    if len(sys.argv) < 3:
+        sys.exit("Needs args: hook_name, control_dir")
+    hook_name = sys.argv[1]
+    control_dir = sys.argv[2]
+    if hook_name not in HOOK_NAMES:
+        sys.exit("Unknown hook: %s" % hook_name)
+    hook = globals()[hook_name]
+
+    hook_input = read_json(pjoin(control_dir, 'input.json'))
+
+    json_out = {'unsupported': False, 'return_val': None}
+    try:
+        json_out['return_val'] = hook(**hook_input['kwargs'])
+    except BackendUnavailable as e:
+        json_out['no_backend'] = True
+        json_out['traceback'] = e.traceback
+    except BackendInvalid as e:
+        json_out['backend_invalid'] = True
+        json_out['backend_error'] = e.message
+    except GotUnsupportedOperation as e:
+        json_out['unsupported'] = True
+        json_out['traceback'] = e.traceback
+    except HookMissing as e:
+        json_out['hook_missing'] = True
+        json_out['missing_hook_name'] = e.hook_name or hook_name
+
+    write_json(json_out, pjoin(control_dir, 'output.json'), indent=2)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/__init__.py
new file mode 100644
index 00000000..10ff67ff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/__init__.py
@@ -0,0 +1,182 @@
+#   __
+#  /__)  _  _     _   _ _/   _
+# / (   (- (/ (/ (- _)  /  _)
+#          /
+
+"""
+Requests HTTP Library
+~~~~~~~~~~~~~~~~~~~~~
+
+Requests is an HTTP library, written in Python, for human beings.
+Basic GET usage:
+
+   >>> import requests
+   >>> r = requests.get('https://www.python.org')
+   >>> r.status_code
+   200
+   >>> b'Python is a programming language' in r.content
+   True
+
+... or POST:
+
+   >>> payload = dict(key1='value1', key2='value2')
+   >>> r = requests.post('https://httpbin.org/post', data=payload)
+   >>> print(r.text)
+   {
+     ...
+     "form": {
+       "key1": "value1",
+       "key2": "value2"
+     },
+     ...
+   }
+
+The other HTTP methods are supported - see `requests.api`. Full documentation
+is at <https://requests.readthedocs.io>.
+
+:copyright: (c) 2017 by Kenneth Reitz.
+:license: Apache 2.0, see LICENSE for more details.
+"""
+
+import warnings
+
+from pip._vendor import urllib3
+
+from .exceptions import RequestsDependencyWarning
+
+charset_normalizer_version = None
+
+try:
+    from pip._vendor.chardet import __version__ as chardet_version
+except ImportError:
+    chardet_version = None
+
+
+def check_compatibility(urllib3_version, chardet_version, charset_normalizer_version):
+    urllib3_version = urllib3_version.split(".")
+    assert urllib3_version != ["dev"]  # Verify urllib3 isn't installed from git.
+
+    # Sometimes, urllib3 only reports its version as 16.1.
+    if len(urllib3_version) == 2:
+        urllib3_version.append("0")
+
+    # Check urllib3 for compatibility.
+    major, minor, patch = urllib3_version  # noqa: F811
+    major, minor, patch = int(major), int(minor), int(patch)
+    # urllib3 >= 1.21.1
+    assert major >= 1
+    if major == 1:
+        assert minor >= 21
+
+    # Check charset_normalizer for compatibility.
+    if chardet_version:
+        major, minor, patch = chardet_version.split(".")[:3]
+        major, minor, patch = int(major), int(minor), int(patch)
+        # chardet_version >= 3.0.2, < 6.0.0
+        assert (3, 0, 2) <= (major, minor, patch) < (6, 0, 0)
+    elif charset_normalizer_version:
+        major, minor, patch = charset_normalizer_version.split(".")[:3]
+        major, minor, patch = int(major), int(minor), int(patch)
+        # charset_normalizer >= 2.0.0 < 4.0.0
+        assert (2, 0, 0) <= (major, minor, patch) < (4, 0, 0)
+    else:
+        raise Exception("You need either charset_normalizer or chardet installed")
+
+
+def _check_cryptography(cryptography_version):
+    # cryptography < 1.3.4
+    try:
+        cryptography_version = list(map(int, cryptography_version.split(".")))
+    except ValueError:
+        return
+
+    if cryptography_version < [1, 3, 4]:
+        warning = "Old version of cryptography ({}) may cause slowdown.".format(
+            cryptography_version
+        )
+        warnings.warn(warning, RequestsDependencyWarning)
+
+
+# Check imported dependencies for compatibility.
+try:
+    check_compatibility(
+        urllib3.__version__, chardet_version, charset_normalizer_version
+    )
+except (AssertionError, ValueError):
+    warnings.warn(
+        "urllib3 ({}) or chardet ({})/charset_normalizer ({}) doesn't match a supported "
+        "version!".format(
+            urllib3.__version__, chardet_version, charset_normalizer_version
+        ),
+        RequestsDependencyWarning,
+    )
+
+# Attempt to enable urllib3's fallback for SNI support
+# if the standard library doesn't support SNI or the
+# 'ssl' library isn't available.
+try:
+    # Note: This logic prevents upgrading cryptography on Windows, if imported
+    #       as part of pip.
+    from pip._internal.utils.compat import WINDOWS
+    if not WINDOWS:
+        raise ImportError("pip internals: don't import cryptography on Windows")
+    try:
+        import ssl
+    except ImportError:
+        ssl = None
+
+    if not getattr(ssl, "HAS_SNI", False):
+        from pip._vendor.urllib3.contrib import pyopenssl
+
+        pyopenssl.inject_into_urllib3()
+
+        # Check cryptography version
+        from cryptography import __version__ as cryptography_version
+
+        _check_cryptography(cryptography_version)
+except ImportError:
+    pass
+
+# urllib3's DependencyWarnings should be silenced.
+from pip._vendor.urllib3.exceptions import DependencyWarning
+
+warnings.simplefilter("ignore", DependencyWarning)
+
+# Set default logging handler to avoid "No handler found" warnings.
+import logging
+from logging import NullHandler
+
+from . import packages, utils
+from .__version__ import (
+    __author__,
+    __author_email__,
+    __build__,
+    __cake__,
+    __copyright__,
+    __description__,
+    __license__,
+    __title__,
+    __url__,
+    __version__,
+)
+from .api import delete, get, head, options, patch, post, put, request
+from .exceptions import (
+    ConnectionError,
+    ConnectTimeout,
+    FileModeWarning,
+    HTTPError,
+    JSONDecodeError,
+    ReadTimeout,
+    RequestException,
+    Timeout,
+    TooManyRedirects,
+    URLRequired,
+)
+from .models import PreparedRequest, Request, Response
+from .sessions import Session, session
+from .status_codes import codes
+
+logging.getLogger(__name__).addHandler(NullHandler())
+
+# FileModeWarnings go off per the default.
+warnings.simplefilter("default", FileModeWarning, append=True)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/__version__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/__version__.py
new file mode 100644
index 00000000..5063c3f8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/__version__.py
@@ -0,0 +1,14 @@
+# .-. .-. .-. . . .-. .-. .-. .-.
+# |(  |-  |.| | | |-  `-.  |  `-.
+# ' ' `-' `-`.`-' `-' `-'  '  `-'
+
+__title__ = "requests"
+__description__ = "Python HTTP for Humans."
+__url__ = "https://requests.readthedocs.io"
+__version__ = "2.31.0"
+__build__ = 0x023100
+__author__ = "Kenneth Reitz"
+__author_email__ = "me@kennethreitz.org"
+__license__ = "Apache 2.0"
+__copyright__ = "Copyright Kenneth Reitz"
+__cake__ = "\u2728 \U0001f370 \u2728"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/_internal_utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/_internal_utils.py
new file mode 100644
index 00000000..f2cf635e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/_internal_utils.py
@@ -0,0 +1,50 @@
+"""
+requests._internal_utils
+~~~~~~~~~~~~~~
+
+Provides utility functions that are consumed internally by Requests
+which depend on extremely few external helpers (such as compat)
+"""
+import re
+
+from .compat import builtin_str
+
+_VALID_HEADER_NAME_RE_BYTE = re.compile(rb"^[^:\s][^:\r\n]*$")
+_VALID_HEADER_NAME_RE_STR = re.compile(r"^[^:\s][^:\r\n]*$")
+_VALID_HEADER_VALUE_RE_BYTE = re.compile(rb"^\S[^\r\n]*$|^$")
+_VALID_HEADER_VALUE_RE_STR = re.compile(r"^\S[^\r\n]*$|^$")
+
+_HEADER_VALIDATORS_STR = (_VALID_HEADER_NAME_RE_STR, _VALID_HEADER_VALUE_RE_STR)
+_HEADER_VALIDATORS_BYTE = (_VALID_HEADER_NAME_RE_BYTE, _VALID_HEADER_VALUE_RE_BYTE)
+HEADER_VALIDATORS = {
+    bytes: _HEADER_VALIDATORS_BYTE,
+    str: _HEADER_VALIDATORS_STR,
+}
+
+
+def to_native_string(string, encoding="ascii"):
+    """Given a string object, regardless of type, returns a representation of
+    that string in the native string type, encoding and decoding where
+    necessary. This assumes ASCII unless told otherwise.
+    """
+    if isinstance(string, builtin_str):
+        out = string
+    else:
+        out = string.decode(encoding)
+
+    return out
+
+
+def unicode_is_ascii(u_string):
+    """Determine if unicode string only contains ASCII characters.
+
+    :param str u_string: unicode string to check. Must be unicode
+        and not Python 2 `str`.
+    :rtype: bool
+    """
+    assert isinstance(u_string, str)
+    try:
+        u_string.encode("ascii")
+        return True
+    except UnicodeEncodeError:
+        return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/adapters.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/adapters.py
new file mode 100644
index 00000000..10c17679
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/adapters.py
@@ -0,0 +1,538 @@
+"""
+requests.adapters
+~~~~~~~~~~~~~~~~~
+
+This module contains the transport adapters that Requests uses to define
+and maintain connections.
+"""
+
+import os.path
+import socket  # noqa: F401
+
+from pip._vendor.urllib3.exceptions import ClosedPoolError, ConnectTimeoutError
+from pip._vendor.urllib3.exceptions import HTTPError as _HTTPError
+from pip._vendor.urllib3.exceptions import InvalidHeader as _InvalidHeader
+from pip._vendor.urllib3.exceptions import (
+    LocationValueError,
+    MaxRetryError,
+    NewConnectionError,
+    ProtocolError,
+)
+from pip._vendor.urllib3.exceptions import ProxyError as _ProxyError
+from pip._vendor.urllib3.exceptions import ReadTimeoutError, ResponseError
+from pip._vendor.urllib3.exceptions import SSLError as _SSLError
+from pip._vendor.urllib3.poolmanager import PoolManager, proxy_from_url
+from pip._vendor.urllib3.util import Timeout as TimeoutSauce
+from pip._vendor.urllib3.util import parse_url
+from pip._vendor.urllib3.util.retry import Retry
+
+from .auth import _basic_auth_str
+from .compat import basestring, urlparse
+from .cookies import extract_cookies_to_jar
+from .exceptions import (
+    ConnectionError,
+    ConnectTimeout,
+    InvalidHeader,
+    InvalidProxyURL,
+    InvalidSchema,
+    InvalidURL,
+    ProxyError,
+    ReadTimeout,
+    RetryError,
+    SSLError,
+)
+from .models import Response
+from .structures import CaseInsensitiveDict
+from .utils import (
+    DEFAULT_CA_BUNDLE_PATH,
+    extract_zipped_paths,
+    get_auth_from_url,
+    get_encoding_from_headers,
+    prepend_scheme_if_needed,
+    select_proxy,
+    urldefragauth,
+)
+
+try:
+    from pip._vendor.urllib3.contrib.socks import SOCKSProxyManager
+except ImportError:
+
+    def SOCKSProxyManager(*args, **kwargs):
+        raise InvalidSchema("Missing dependencies for SOCKS support.")
+
+
+DEFAULT_POOLBLOCK = False
+DEFAULT_POOLSIZE = 10
+DEFAULT_RETRIES = 0
+DEFAULT_POOL_TIMEOUT = None
+
+
+class BaseAdapter:
+    """The Base Transport Adapter"""
+
+    def __init__(self):
+        super().__init__()
+
+    def send(
+        self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None
+    ):
+        """Sends PreparedRequest object. Returns Response object.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
+        :param stream: (optional) Whether to stream the request content.
+        :param timeout: (optional) How long to wait for the server to send
+            data before giving up, as a float, or a :ref:`(connect timeout,
+            read timeout) <timeouts>` tuple.
+        :type timeout: float or tuple
+        :param verify: (optional) Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use
+        :param cert: (optional) Any user-provided SSL certificate to be trusted.
+        :param proxies: (optional) The proxies dictionary to apply to the request.
+        """
+        raise NotImplementedError
+
+    def close(self):
+        """Cleans up adapter specific items."""
+        raise NotImplementedError
+
+
+class HTTPAdapter(BaseAdapter):
+    """The built-in HTTP Adapter for urllib3.
+
+    Provides a general-case interface for Requests sessions to contact HTTP and
+    HTTPS urls by implementing the Transport Adapter interface. This class will
+    usually be created by the :class:`Session <Session>` class under the
+    covers.
+
+    :param pool_connections: The number of urllib3 connection pools to cache.
+    :param pool_maxsize: The maximum number of connections to save in the pool.
+    :param max_retries: The maximum number of retries each connection
+        should attempt. Note, this applies only to failed DNS lookups, socket
+        connections and connection timeouts, never to requests where data has
+        made it to the server. By default, Requests does not retry failed
+        connections. If you need granular control over the conditions under
+        which we retry a request, import urllib3's ``Retry`` class and pass
+        that instead.
+    :param pool_block: Whether the connection pool should block for connections.
+
+    Usage::
+
+      >>> import requests
+      >>> s = requests.Session()
+      >>> a = requests.adapters.HTTPAdapter(max_retries=3)
+      >>> s.mount('http://', a)
+    """
+
+    __attrs__ = [
+        "max_retries",
+        "config",
+        "_pool_connections",
+        "_pool_maxsize",
+        "_pool_block",
+    ]
+
+    def __init__(
+        self,
+        pool_connections=DEFAULT_POOLSIZE,
+        pool_maxsize=DEFAULT_POOLSIZE,
+        max_retries=DEFAULT_RETRIES,
+        pool_block=DEFAULT_POOLBLOCK,
+    ):
+        if max_retries == DEFAULT_RETRIES:
+            self.max_retries = Retry(0, read=False)
+        else:
+            self.max_retries = Retry.from_int(max_retries)
+        self.config = {}
+        self.proxy_manager = {}
+
+        super().__init__()
+
+        self._pool_connections = pool_connections
+        self._pool_maxsize = pool_maxsize
+        self._pool_block = pool_block
+
+        self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block)
+
+    def __getstate__(self):
+        return {attr: getattr(self, attr, None) for attr in self.__attrs__}
+
+    def __setstate__(self, state):
+        # Can't handle by adding 'proxy_manager' to self.__attrs__ because
+        # self.poolmanager uses a lambda function, which isn't pickleable.
+        self.proxy_manager = {}
+        self.config = {}
+
+        for attr, value in state.items():
+            setattr(self, attr, value)
+
+        self.init_poolmanager(
+            self._pool_connections, self._pool_maxsize, block=self._pool_block
+        )
+
+    def init_poolmanager(
+        self, connections, maxsize, block=DEFAULT_POOLBLOCK, **pool_kwargs
+    ):
+        """Initializes a urllib3 PoolManager.
+
+        This method should not be called from user code, and is only
+        exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param connections: The number of urllib3 connection pools to cache.
+        :param maxsize: The maximum number of connections to save in the pool.
+        :param block: Block when no free connections are available.
+        :param pool_kwargs: Extra keyword arguments used to initialize the Pool Manager.
+        """
+        # save these values for pickling
+        self._pool_connections = connections
+        self._pool_maxsize = maxsize
+        self._pool_block = block
+
+        self.poolmanager = PoolManager(
+            num_pools=connections,
+            maxsize=maxsize,
+            block=block,
+            **pool_kwargs,
+        )
+
+    def proxy_manager_for(self, proxy, **proxy_kwargs):
+        """Return urllib3 ProxyManager for the given proxy.
+
+        This method should not be called from user code, and is only
+        exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param proxy: The proxy to return a urllib3 ProxyManager for.
+        :param proxy_kwargs: Extra keyword arguments used to configure the Proxy Manager.
+        :returns: ProxyManager
+        :rtype: urllib3.ProxyManager
+        """
+        if proxy in self.proxy_manager:
+            manager = self.proxy_manager[proxy]
+        elif proxy.lower().startswith("socks"):
+            username, password = get_auth_from_url(proxy)
+            manager = self.proxy_manager[proxy] = SOCKSProxyManager(
+                proxy,
+                username=username,
+                password=password,
+                num_pools=self._pool_connections,
+                maxsize=self._pool_maxsize,
+                block=self._pool_block,
+                **proxy_kwargs,
+            )
+        else:
+            proxy_headers = self.proxy_headers(proxy)
+            manager = self.proxy_manager[proxy] = proxy_from_url(
+                proxy,
+                proxy_headers=proxy_headers,
+                num_pools=self._pool_connections,
+                maxsize=self._pool_maxsize,
+                block=self._pool_block,
+                **proxy_kwargs,
+            )
+
+        return manager
+
+    def cert_verify(self, conn, url, verify, cert):
+        """Verify a SSL certificate. This method should not be called from user
+        code, and is only exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param conn: The urllib3 connection object associated with the cert.
+        :param url: The requested URL.
+        :param verify: Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use
+        :param cert: The SSL certificate to verify.
+        """
+        if url.lower().startswith("https") and verify:
+
+            cert_loc = None
+
+            # Allow self-specified cert location.
+            if verify is not True:
+                cert_loc = verify
+
+            if not cert_loc:
+                cert_loc = extract_zipped_paths(DEFAULT_CA_BUNDLE_PATH)
+
+            if not cert_loc or not os.path.exists(cert_loc):
+                raise OSError(
+                    f"Could not find a suitable TLS CA certificate bundle, "
+                    f"invalid path: {cert_loc}"
+                )
+
+            conn.cert_reqs = "CERT_REQUIRED"
+
+            if not os.path.isdir(cert_loc):
+                conn.ca_certs = cert_loc
+            else:
+                conn.ca_cert_dir = cert_loc
+        else:
+            conn.cert_reqs = "CERT_NONE"
+            conn.ca_certs = None
+            conn.ca_cert_dir = None
+
+        if cert:
+            if not isinstance(cert, basestring):
+                conn.cert_file = cert[0]
+                conn.key_file = cert[1]
+            else:
+                conn.cert_file = cert
+                conn.key_file = None
+            if conn.cert_file and not os.path.exists(conn.cert_file):
+                raise OSError(
+                    f"Could not find the TLS certificate file, "
+                    f"invalid path: {conn.cert_file}"
+                )
+            if conn.key_file and not os.path.exists(conn.key_file):
+                raise OSError(
+                    f"Could not find the TLS key file, invalid path: {conn.key_file}"
+                )
+
+    def build_response(self, req, resp):
+        """Builds a :class:`Response <requests.Response>` object from a urllib3
+        response. This should not be called from user code, and is only exposed
+        for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`
+
+        :param req: The :class:`PreparedRequest <PreparedRequest>` used to generate the response.
+        :param resp: The urllib3 response object.
+        :rtype: requests.Response
+        """
+        response = Response()
+
+        # Fallback to None if there's no status_code, for whatever reason.
+        response.status_code = getattr(resp, "status", None)
+
+        # Make headers case-insensitive.
+        response.headers = CaseInsensitiveDict(getattr(resp, "headers", {}))
+
+        # Set encoding.
+        response.encoding = get_encoding_from_headers(response.headers)
+        response.raw = resp
+        response.reason = response.raw.reason
+
+        if isinstance(req.url, bytes):
+            response.url = req.url.decode("utf-8")
+        else:
+            response.url = req.url
+
+        # Add new cookies from the server.
+        extract_cookies_to_jar(response.cookies, req, resp)
+
+        # Give the Response some context.
+        response.request = req
+        response.connection = self
+
+        return response
+
+    def get_connection(self, url, proxies=None):
+        """Returns a urllib3 connection for the given URL. This should not be
+        called from user code, and is only exposed for use when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param url: The URL to connect to.
+        :param proxies: (optional) A Requests-style dictionary of proxies used on this request.
+        :rtype: urllib3.ConnectionPool
+        """
+        proxy = select_proxy(url, proxies)
+
+        if proxy:
+            proxy = prepend_scheme_if_needed(proxy, "http")
+            proxy_url = parse_url(proxy)
+            if not proxy_url.host:
+                raise InvalidProxyURL(
+                    "Please check proxy URL. It is malformed "
+                    "and could be missing the host."
+                )
+            proxy_manager = self.proxy_manager_for(proxy)
+            conn = proxy_manager.connection_from_url(url)
+        else:
+            # Only scheme should be lower case
+            parsed = urlparse(url)
+            url = parsed.geturl()
+            conn = self.poolmanager.connection_from_url(url)
+
+        return conn
+
+    def close(self):
+        """Disposes of any internal state.
+
+        Currently, this closes the PoolManager and any active ProxyManager,
+        which closes any pooled connections.
+        """
+        self.poolmanager.clear()
+        for proxy in self.proxy_manager.values():
+            proxy.clear()
+
+    def request_url(self, request, proxies):
+        """Obtain the url to use when making the final request.
+
+        If the message is being sent through a HTTP proxy, the full URL has to
+        be used. Otherwise, we should only use the path portion of the URL.
+
+        This should not be called from user code, and is only exposed for use
+        when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
+        :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs.
+        :rtype: str
+        """
+        proxy = select_proxy(request.url, proxies)
+        scheme = urlparse(request.url).scheme
+
+        is_proxied_http_request = proxy and scheme != "https"
+        using_socks_proxy = False
+        if proxy:
+            proxy_scheme = urlparse(proxy).scheme.lower()
+            using_socks_proxy = proxy_scheme.startswith("socks")
+
+        url = request.path_url
+        if is_proxied_http_request and not using_socks_proxy:
+            url = urldefragauth(request.url)
+
+        return url
+
+    def add_headers(self, request, **kwargs):
+        """Add any headers needed by the connection. As of v2.0 this does
+        nothing by default, but is left for overriding by users that subclass
+        the :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        This should not be called from user code, and is only exposed for use
+        when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` to add headers to.
+        :param kwargs: The keyword arguments from the call to send().
+        """
+        pass
+
+    def proxy_headers(self, proxy):
+        """Returns a dictionary of the headers to add to any request sent
+        through a proxy. This works with urllib3 magic to ensure that they are
+        correctly sent to the proxy, rather than in a tunnelled request if
+        CONNECT is being used.
+
+        This should not be called from user code, and is only exposed for use
+        when subclassing the
+        :class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
+
+        :param proxy: The url of the proxy being used for this request.
+        :rtype: dict
+        """
+        headers = {}
+        username, password = get_auth_from_url(proxy)
+
+        if username:
+            headers["Proxy-Authorization"] = _basic_auth_str(username, password)
+
+        return headers
+
+    def send(
+        self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None
+    ):
+        """Sends PreparedRequest object. Returns Response object.
+
+        :param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
+        :param stream: (optional) Whether to stream the request content.
+        :param timeout: (optional) How long to wait for the server to send
+            data before giving up, as a float, or a :ref:`(connect timeout,
+            read timeout) <timeouts>` tuple.
+        :type timeout: float or tuple or urllib3 Timeout object
+        :param verify: (optional) Either a boolean, in which case it controls whether
+            we verify the server's TLS certificate, or a string, in which case it
+            must be a path to a CA bundle to use
+        :param cert: (optional) Any user-provided SSL certificate to be trusted.
+        :param proxies: (optional) The proxies dictionary to apply to the request.
+        :rtype: requests.Response
+        """
+
+        try:
+            conn = self.get_connection(request.url, proxies)
+        except LocationValueError as e:
+            raise InvalidURL(e, request=request)
+
+        self.cert_verify(conn, request.url, verify, cert)
+        url = self.request_url(request, proxies)
+        self.add_headers(
+            request,
+            stream=stream,
+            timeout=timeout,
+            verify=verify,
+            cert=cert,
+            proxies=proxies,
+        )
+
+        chunked = not (request.body is None or "Content-Length" in request.headers)
+
+        if isinstance(timeout, tuple):
+            try:
+                connect, read = timeout
+                timeout = TimeoutSauce(connect=connect, read=read)
+            except ValueError:
+                raise ValueError(
+                    f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, "
+                    f"or a single float to set both timeouts to the same value."
+                )
+        elif isinstance(timeout, TimeoutSauce):
+            pass
+        else:
+            timeout = TimeoutSauce(connect=timeout, read=timeout)
+
+        try:
+            resp = conn.urlopen(
+                method=request.method,
+                url=url,
+                body=request.body,
+                headers=request.headers,
+                redirect=False,
+                assert_same_host=False,
+                preload_content=False,
+                decode_content=False,
+                retries=self.max_retries,
+                timeout=timeout,
+                chunked=chunked,
+            )
+
+        except (ProtocolError, OSError) as err:
+            raise ConnectionError(err, request=request)
+
+        except MaxRetryError as e:
+            if isinstance(e.reason, ConnectTimeoutError):
+                # TODO: Remove this in 3.0.0: see #2811
+                if not isinstance(e.reason, NewConnectionError):
+                    raise ConnectTimeout(e, request=request)
+
+            if isinstance(e.reason, ResponseError):
+                raise RetryError(e, request=request)
+
+            if isinstance(e.reason, _ProxyError):
+                raise ProxyError(e, request=request)
+
+            if isinstance(e.reason, _SSLError):
+                # This branch is for urllib3 v1.22 and later.
+                raise SSLError(e, request=request)
+
+            raise ConnectionError(e, request=request)
+
+        except ClosedPoolError as e:
+            raise ConnectionError(e, request=request)
+
+        except _ProxyError as e:
+            raise ProxyError(e)
+
+        except (_SSLError, _HTTPError) as e:
+            if isinstance(e, _SSLError):
+                # This branch is for urllib3 versions earlier than v1.22
+                raise SSLError(e, request=request)
+            elif isinstance(e, ReadTimeoutError):
+                raise ReadTimeout(e, request=request)
+            elif isinstance(e, _InvalidHeader):
+                raise InvalidHeader(e, request=request)
+            else:
+                raise
+
+        return self.build_response(request, resp)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/api.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/api.py
new file mode 100644
index 00000000..cd0b3eea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/api.py
@@ -0,0 +1,157 @@
+"""
+requests.api
+~~~~~~~~~~~~
+
+This module implements the Requests API.
+
+:copyright: (c) 2012 by Kenneth Reitz.
+:license: Apache2, see LICENSE for more details.
+"""
+
+from . import sessions
+
+
+def request(method, url, **kwargs):
+    """Constructs and sends a :class:`Request <Request>`.
+
+    :param method: method for the new :class:`Request` object: ``GET``, ``OPTIONS``, ``HEAD``, ``POST``, ``PUT``, ``PATCH``, or ``DELETE``.
+    :param url: URL for the new :class:`Request` object.
+    :param params: (optional) Dictionary, list of tuples or bytes to send
+        in the query string for the :class:`Request`.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`.
+    :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`.
+    :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`.
+    :param files: (optional) Dictionary of ``'name': file-like-objects`` (or ``{'name': file-tuple}``) for multipart encoding upload.
+        ``file-tuple`` can be a 2-tuple ``('filename', fileobj)``, 3-tuple ``('filename', fileobj, 'content_type')``
+        or a 4-tuple ``('filename', fileobj, 'content_type', custom_headers)``, where ``'content-type'`` is a string
+        defining the content type of the given file and ``custom_headers`` a dict-like object containing additional headers
+        to add for the file.
+    :param auth: (optional) Auth tuple to enable Basic/Digest/Custom HTTP Auth.
+    :param timeout: (optional) How many seconds to wait for the server to send data
+        before giving up, as a float, or a :ref:`(connect timeout, read
+        timeout) <timeouts>` tuple.
+    :type timeout: float or tuple
+    :param allow_redirects: (optional) Boolean. Enable/disable GET/OPTIONS/POST/PUT/PATCH/DELETE/HEAD redirection. Defaults to ``True``.
+    :type allow_redirects: bool
+    :param proxies: (optional) Dictionary mapping protocol to the URL of the proxy.
+    :param verify: (optional) Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use. Defaults to ``True``.
+    :param stream: (optional) if ``False``, the response content will be immediately downloaded.
+    :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+
+    Usage::
+
+      >>> import requests
+      >>> req = requests.request('GET', 'https://httpbin.org/get')
+      >>> req
+      <Response [200]>
+    """
+
+    # By using the 'with' statement we are sure the session is closed, thus we
+    # avoid leaving sockets open which can trigger a ResourceWarning in some
+    # cases, and look like a memory leak in others.
+    with sessions.Session() as session:
+        return session.request(method=method, url=url, **kwargs)
+
+
+def get(url, params=None, **kwargs):
+    r"""Sends a GET request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param params: (optional) Dictionary, list of tuples or bytes to send
+        in the query string for the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request("get", url, params=params, **kwargs)
+
+
+def options(url, **kwargs):
+    r"""Sends an OPTIONS request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request("options", url, **kwargs)
+
+
+def head(url, **kwargs):
+    r"""Sends a HEAD request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param \*\*kwargs: Optional arguments that ``request`` takes. If
+        `allow_redirects` is not provided, it will be set to `False` (as
+        opposed to the default :meth:`request` behavior).
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    kwargs.setdefault("allow_redirects", False)
+    return request("head", url, **kwargs)
+
+
+def post(url, data=None, json=None, **kwargs):
+    r"""Sends a POST request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request("post", url, data=data, json=json, **kwargs)
+
+
+def put(url, data=None, **kwargs):
+    r"""Sends a PUT request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request("put", url, data=data, **kwargs)
+
+
+def patch(url, data=None, **kwargs):
+    r"""Sends a PATCH request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+        object to send in the body of the :class:`Request`.
+    :param json: (optional) A JSON serializable Python object to send in the body of the :class:`Request`.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request("patch", url, data=data, **kwargs)
+
+
+def delete(url, **kwargs):
+    r"""Sends a DELETE request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    return request("delete", url, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/auth.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/auth.py
new file mode 100644
index 00000000..9733686d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/auth.py
@@ -0,0 +1,315 @@
+"""
+requests.auth
+~~~~~~~~~~~~~
+
+This module contains the authentication handlers for Requests.
+"""
+
+import hashlib
+import os
+import re
+import threading
+import time
+import warnings
+from base64 import b64encode
+
+from ._internal_utils import to_native_string
+from .compat import basestring, str, urlparse
+from .cookies import extract_cookies_to_jar
+from .utils import parse_dict_header
+
+CONTENT_TYPE_FORM_URLENCODED = "application/x-www-form-urlencoded"
+CONTENT_TYPE_MULTI_PART = "multipart/form-data"
+
+
+def _basic_auth_str(username, password):
+    """Returns a Basic Auth string."""
+
+    # "I want us to put a big-ol' comment on top of it that
+    # says that this behaviour is dumb but we need to preserve
+    # it because people are relying on it."
+    #    - Lukasa
+    #
+    # These are here solely to maintain backwards compatibility
+    # for things like ints. This will be removed in 3.0.0.
+    if not isinstance(username, basestring):
+        warnings.warn(
+            "Non-string usernames will no longer be supported in Requests "
+            "3.0.0. Please convert the object you've passed in ({!r}) to "
+            "a string or bytes object in the near future to avoid "
+            "problems.".format(username),
+            category=DeprecationWarning,
+        )
+        username = str(username)
+
+    if not isinstance(password, basestring):
+        warnings.warn(
+            "Non-string passwords will no longer be supported in Requests "
+            "3.0.0. Please convert the object you've passed in ({!r}) to "
+            "a string or bytes object in the near future to avoid "
+            "problems.".format(type(password)),
+            category=DeprecationWarning,
+        )
+        password = str(password)
+    # -- End Removal --
+
+    if isinstance(username, str):
+        username = username.encode("latin1")
+
+    if isinstance(password, str):
+        password = password.encode("latin1")
+
+    authstr = "Basic " + to_native_string(
+        b64encode(b":".join((username, password))).strip()
+    )
+
+    return authstr
+
+
+class AuthBase:
+    """Base class that all auth implementations derive from"""
+
+    def __call__(self, r):
+        raise NotImplementedError("Auth hooks must be callable.")
+
+
+class HTTPBasicAuth(AuthBase):
+    """Attaches HTTP Basic Authentication to the given Request object."""
+
+    def __init__(self, username, password):
+        self.username = username
+        self.password = password
+
+    def __eq__(self, other):
+        return all(
+            [
+                self.username == getattr(other, "username", None),
+                self.password == getattr(other, "password", None),
+            ]
+        )
+
+    def __ne__(self, other):
+        return not self == other
+
+    def __call__(self, r):
+        r.headers["Authorization"] = _basic_auth_str(self.username, self.password)
+        return r
+
+
+class HTTPProxyAuth(HTTPBasicAuth):
+    """Attaches HTTP Proxy Authentication to a given Request object."""
+
+    def __call__(self, r):
+        r.headers["Proxy-Authorization"] = _basic_auth_str(self.username, self.password)
+        return r
+
+
+class HTTPDigestAuth(AuthBase):
+    """Attaches HTTP Digest Authentication to the given Request object."""
+
+    def __init__(self, username, password):
+        self.username = username
+        self.password = password
+        # Keep state in per-thread local storage
+        self._thread_local = threading.local()
+
+    def init_per_thread_state(self):
+        # Ensure state is initialized just once per-thread
+        if not hasattr(self._thread_local, "init"):
+            self._thread_local.init = True
+            self._thread_local.last_nonce = ""
+            self._thread_local.nonce_count = 0
+            self._thread_local.chal = {}
+            self._thread_local.pos = None
+            self._thread_local.num_401_calls = None
+
+    def build_digest_header(self, method, url):
+        """
+        :rtype: str
+        """
+
+        realm = self._thread_local.chal["realm"]
+        nonce = self._thread_local.chal["nonce"]
+        qop = self._thread_local.chal.get("qop")
+        algorithm = self._thread_local.chal.get("algorithm")
+        opaque = self._thread_local.chal.get("opaque")
+        hash_utf8 = None
+
+        if algorithm is None:
+            _algorithm = "MD5"
+        else:
+            _algorithm = algorithm.upper()
+        # lambdas assume digest modules are imported at the top level
+        if _algorithm == "MD5" or _algorithm == "MD5-SESS":
+
+            def md5_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode("utf-8")
+                return hashlib.md5(x).hexdigest()
+
+            hash_utf8 = md5_utf8
+        elif _algorithm == "SHA":
+
+            def sha_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode("utf-8")
+                return hashlib.sha1(x).hexdigest()
+
+            hash_utf8 = sha_utf8
+        elif _algorithm == "SHA-256":
+
+            def sha256_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode("utf-8")
+                return hashlib.sha256(x).hexdigest()
+
+            hash_utf8 = sha256_utf8
+        elif _algorithm == "SHA-512":
+
+            def sha512_utf8(x):
+                if isinstance(x, str):
+                    x = x.encode("utf-8")
+                return hashlib.sha512(x).hexdigest()
+
+            hash_utf8 = sha512_utf8
+
+        KD = lambda s, d: hash_utf8(f"{s}:{d}")  # noqa:E731
+
+        if hash_utf8 is None:
+            return None
+
+        # XXX not implemented yet
+        entdig = None
+        p_parsed = urlparse(url)
+        #: path is request-uri defined in RFC 2616 which should not be empty
+        path = p_parsed.path or "/"
+        if p_parsed.query:
+            path += f"?{p_parsed.query}"
+
+        A1 = f"{self.username}:{realm}:{self.password}"
+        A2 = f"{method}:{path}"
+
+        HA1 = hash_utf8(A1)
+        HA2 = hash_utf8(A2)
+
+        if nonce == self._thread_local.last_nonce:
+            self._thread_local.nonce_count += 1
+        else:
+            self._thread_local.nonce_count = 1
+        ncvalue = f"{self._thread_local.nonce_count:08x}"
+        s = str(self._thread_local.nonce_count).encode("utf-8")
+        s += nonce.encode("utf-8")
+        s += time.ctime().encode("utf-8")
+        s += os.urandom(8)
+
+        cnonce = hashlib.sha1(s).hexdigest()[:16]
+        if _algorithm == "MD5-SESS":
+            HA1 = hash_utf8(f"{HA1}:{nonce}:{cnonce}")
+
+        if not qop:
+            respdig = KD(HA1, f"{nonce}:{HA2}")
+        elif qop == "auth" or "auth" in qop.split(","):
+            noncebit = f"{nonce}:{ncvalue}:{cnonce}:auth:{HA2}"
+            respdig = KD(HA1, noncebit)
+        else:
+            # XXX handle auth-int.
+            return None
+
+        self._thread_local.last_nonce = nonce
+
+        # XXX should the partial digests be encoded too?
+        base = (
+            f'username="{self.username}", realm="{realm}", nonce="{nonce}", '
+            f'uri="{path}", response="{respdig}"'
+        )
+        if opaque:
+            base += f', opaque="{opaque}"'
+        if algorithm:
+            base += f', algorithm="{algorithm}"'
+        if entdig:
+            base += f', digest="{entdig}"'
+        if qop:
+            base += f', qop="auth", nc={ncvalue}, cnonce="{cnonce}"'
+
+        return f"Digest {base}"
+
+    def handle_redirect(self, r, **kwargs):
+        """Reset num_401_calls counter on redirects."""
+        if r.is_redirect:
+            self._thread_local.num_401_calls = 1
+
+    def handle_401(self, r, **kwargs):
+        """
+        Takes the given response and tries digest-auth, if needed.
+
+        :rtype: requests.Response
+        """
+
+        # If response is not 4xx, do not auth
+        # See https://github.com/psf/requests/issues/3772
+        if not 400 <= r.status_code < 500:
+            self._thread_local.num_401_calls = 1
+            return r
+
+        if self._thread_local.pos is not None:
+            # Rewind the file position indicator of the body to where
+            # it was to resend the request.
+            r.request.body.seek(self._thread_local.pos)
+        s_auth = r.headers.get("www-authenticate", "")
+
+        if "digest" in s_auth.lower() and self._thread_local.num_401_calls < 2:
+
+            self._thread_local.num_401_calls += 1
+            pat = re.compile(r"digest ", flags=re.IGNORECASE)
+            self._thread_local.chal = parse_dict_header(pat.sub("", s_auth, count=1))
+
+            # Consume content and release the original connection
+            # to allow our new request to reuse the same one.
+            r.content
+            r.close()
+            prep = r.request.copy()
+            extract_cookies_to_jar(prep._cookies, r.request, r.raw)
+            prep.prepare_cookies(prep._cookies)
+
+            prep.headers["Authorization"] = self.build_digest_header(
+                prep.method, prep.url
+            )
+            _r = r.connection.send(prep, **kwargs)
+            _r.history.append(r)
+            _r.request = prep
+
+            return _r
+
+        self._thread_local.num_401_calls = 1
+        return r
+
+    def __call__(self, r):
+        # Initialize per-thread state, if needed
+        self.init_per_thread_state()
+        # If we have a saved nonce, skip the 401
+        if self._thread_local.last_nonce:
+            r.headers["Authorization"] = self.build_digest_header(r.method, r.url)
+        try:
+            self._thread_local.pos = r.body.tell()
+        except AttributeError:
+            # In the case of HTTPDigestAuth being reused and the body of
+            # the previous request was a file-like object, pos has the
+            # file position of the previous body. Ensure it's set to
+            # None.
+            self._thread_local.pos = None
+        r.register_hook("response", self.handle_401)
+        r.register_hook("response", self.handle_redirect)
+        self._thread_local.num_401_calls = 1
+
+        return r
+
+    def __eq__(self, other):
+        return all(
+            [
+                self.username == getattr(other, "username", None),
+                self.password == getattr(other, "password", None),
+            ]
+        )
+
+    def __ne__(self, other):
+        return not self == other
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/certs.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/certs.py
new file mode 100644
index 00000000..38696a1f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/certs.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+
+"""
+requests.certs
+~~~~~~~~~~~~~~
+
+This module returns the preferred default CA certificate bundle. There is
+only one — the one from the certifi package.
+
+If you are packaging Requests, e.g., for a Linux distribution or a managed
+environment, you can change the definition of where() to return a separately
+packaged CA bundle.
+"""
+
+import os
+
+if "_PIP_STANDALONE_CERT" not in os.environ:
+    from pip._vendor.certifi import where
+else:
+    def where():
+        return os.environ["_PIP_STANDALONE_CERT"]
+
+if __name__ == "__main__":
+    print(where())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/compat.py
new file mode 100644
index 00000000..9ab2bb48
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/compat.py
@@ -0,0 +1,67 @@
+"""
+requests.compat
+~~~~~~~~~~~~~~~
+
+This module previously handled import compatibility issues
+between Python 2 and Python 3. It remains for backwards
+compatibility until the next major version.
+"""
+
+from pip._vendor import chardet
+
+import sys
+
+# -------
+# Pythons
+# -------
+
+# Syntax sugar.
+_ver = sys.version_info
+
+#: Python 2.x?
+is_py2 = _ver[0] == 2
+
+#: Python 3.x?
+is_py3 = _ver[0] == 3
+
+# Note: We've patched out simplejson support in pip because it prevents
+#       upgrading simplejson on Windows.
+import json
+from json import JSONDecodeError
+
+# Keep OrderedDict for backwards compatibility.
+from collections import OrderedDict
+from collections.abc import Callable, Mapping, MutableMapping
+from http import cookiejar as cookielib
+from http.cookies import Morsel
+from io import StringIO
+
+# --------------
+# Legacy Imports
+# --------------
+from urllib.parse import (
+    quote,
+    quote_plus,
+    unquote,
+    unquote_plus,
+    urldefrag,
+    urlencode,
+    urljoin,
+    urlparse,
+    urlsplit,
+    urlunparse,
+)
+from urllib.request import (
+    getproxies,
+    getproxies_environment,
+    parse_http_list,
+    proxy_bypass,
+    proxy_bypass_environment,
+)
+
+builtin_str = str
+str = str
+bytes = bytes
+basestring = (str, bytes)
+numeric_types = (int, float)
+integer_types = (int,)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/cookies.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/cookies.py
new file mode 100644
index 00000000..bf54ab23
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/cookies.py
@@ -0,0 +1,561 @@
+"""
+requests.cookies
+~~~~~~~~~~~~~~~~
+
+Compatibility code to be able to use `cookielib.CookieJar` with requests.
+
+requests.utils imports from here, so be careful with imports.
+"""
+
+import calendar
+import copy
+import time
+
+from ._internal_utils import to_native_string
+from .compat import Morsel, MutableMapping, cookielib, urlparse, urlunparse
+
+try:
+    import threading
+except ImportError:
+    import dummy_threading as threading
+
+
+class MockRequest:
+    """Wraps a `requests.Request` to mimic a `urllib2.Request`.
+
+    The code in `cookielib.CookieJar` expects this interface in order to correctly
+    manage cookie policies, i.e., determine whether a cookie can be set, given the
+    domains of the request and the cookie.
+
+    The original request object is read-only. The client is responsible for collecting
+    the new headers via `get_new_headers()` and interpreting them appropriately. You
+    probably want `get_cookie_header`, defined below.
+    """
+
+    def __init__(self, request):
+        self._r = request
+        self._new_headers = {}
+        self.type = urlparse(self._r.url).scheme
+
+    def get_type(self):
+        return self.type
+
+    def get_host(self):
+        return urlparse(self._r.url).netloc
+
+    def get_origin_req_host(self):
+        return self.get_host()
+
+    def get_full_url(self):
+        # Only return the response's URL if the user hadn't set the Host
+        # header
+        if not self._r.headers.get("Host"):
+            return self._r.url
+        # If they did set it, retrieve it and reconstruct the expected domain
+        host = to_native_string(self._r.headers["Host"], encoding="utf-8")
+        parsed = urlparse(self._r.url)
+        # Reconstruct the URL as we expect it
+        return urlunparse(
+            [
+                parsed.scheme,
+                host,
+                parsed.path,
+                parsed.params,
+                parsed.query,
+                parsed.fragment,
+            ]
+        )
+
+    def is_unverifiable(self):
+        return True
+
+    def has_header(self, name):
+        return name in self._r.headers or name in self._new_headers
+
+    def get_header(self, name, default=None):
+        return self._r.headers.get(name, self._new_headers.get(name, default))
+
+    def add_header(self, key, val):
+        """cookielib has no legitimate use for this method; add it back if you find one."""
+        raise NotImplementedError(
+            "Cookie headers should be added with add_unredirected_header()"
+        )
+
+    def add_unredirected_header(self, name, value):
+        self._new_headers[name] = value
+
+    def get_new_headers(self):
+        return self._new_headers
+
+    @property
+    def unverifiable(self):
+        return self.is_unverifiable()
+
+    @property
+    def origin_req_host(self):
+        return self.get_origin_req_host()
+
+    @property
+    def host(self):
+        return self.get_host()
+
+
+class MockResponse:
+    """Wraps a `httplib.HTTPMessage` to mimic a `urllib.addinfourl`.
+
+    ...what? Basically, expose the parsed HTTP headers from the server response
+    the way `cookielib` expects to see them.
+    """
+
+    def __init__(self, headers):
+        """Make a MockResponse for `cookielib` to read.
+
+        :param headers: a httplib.HTTPMessage or analogous carrying the headers
+        """
+        self._headers = headers
+
+    def info(self):
+        return self._headers
+
+    def getheaders(self, name):
+        self._headers.getheaders(name)
+
+
+def extract_cookies_to_jar(jar, request, response):
+    """Extract the cookies from the response into a CookieJar.
+
+    :param jar: cookielib.CookieJar (not necessarily a RequestsCookieJar)
+    :param request: our own requests.Request object
+    :param response: urllib3.HTTPResponse object
+    """
+    if not (hasattr(response, "_original_response") and response._original_response):
+        return
+    # the _original_response field is the wrapped httplib.HTTPResponse object,
+    req = MockRequest(request)
+    # pull out the HTTPMessage with the headers and put it in the mock:
+    res = MockResponse(response._original_response.msg)
+    jar.extract_cookies(res, req)
+
+
+def get_cookie_header(jar, request):
+    """
+    Produce an appropriate Cookie header string to be sent with `request`, or None.
+
+    :rtype: str
+    """
+    r = MockRequest(request)
+    jar.add_cookie_header(r)
+    return r.get_new_headers().get("Cookie")
+
+
+def remove_cookie_by_name(cookiejar, name, domain=None, path=None):
+    """Unsets a cookie by name, by default over all domains and paths.
+
+    Wraps CookieJar.clear(), is O(n).
+    """
+    clearables = []
+    for cookie in cookiejar:
+        if cookie.name != name:
+            continue
+        if domain is not None and domain != cookie.domain:
+            continue
+        if path is not None and path != cookie.path:
+            continue
+        clearables.append((cookie.domain, cookie.path, cookie.name))
+
+    for domain, path, name in clearables:
+        cookiejar.clear(domain, path, name)
+
+
+class CookieConflictError(RuntimeError):
+    """There are two cookies that meet the criteria specified in the cookie jar.
+    Use .get and .set and include domain and path args in order to be more specific.
+    """
+
+
+class RequestsCookieJar(cookielib.CookieJar, MutableMapping):
+    """Compatibility class; is a cookielib.CookieJar, but exposes a dict
+    interface.
+
+    This is the CookieJar we create by default for requests and sessions that
+    don't specify one, since some clients may expect response.cookies and
+    session.cookies to support dict operations.
+
+    Requests does not use the dict interface internally; it's just for
+    compatibility with external client code. All requests code should work
+    out of the box with externally provided instances of ``CookieJar``, e.g.
+    ``LWPCookieJar`` and ``FileCookieJar``.
+
+    Unlike a regular CookieJar, this class is pickleable.
+
+    .. warning:: dictionary operations that are normally O(1) may be O(n).
+    """
+
+    def get(self, name, default=None, domain=None, path=None):
+        """Dict-like get() that also supports optional domain and path args in
+        order to resolve naming collisions from using one cookie jar over
+        multiple domains.
+
+        .. warning:: operation is O(n), not O(1).
+        """
+        try:
+            return self._find_no_duplicates(name, domain, path)
+        except KeyError:
+            return default
+
+    def set(self, name, value, **kwargs):
+        """Dict-like set() that also supports optional domain and path args in
+        order to resolve naming collisions from using one cookie jar over
+        multiple domains.
+        """
+        # support client code that unsets cookies by assignment of a None value:
+        if value is None:
+            remove_cookie_by_name(
+                self, name, domain=kwargs.get("domain"), path=kwargs.get("path")
+            )
+            return
+
+        if isinstance(value, Morsel):
+            c = morsel_to_cookie(value)
+        else:
+            c = create_cookie(name, value, **kwargs)
+        self.set_cookie(c)
+        return c
+
+    def iterkeys(self):
+        """Dict-like iterkeys() that returns an iterator of names of cookies
+        from the jar.
+
+        .. seealso:: itervalues() and iteritems().
+        """
+        for cookie in iter(self):
+            yield cookie.name
+
+    def keys(self):
+        """Dict-like keys() that returns a list of names of cookies from the
+        jar.
+
+        .. seealso:: values() and items().
+        """
+        return list(self.iterkeys())
+
+    def itervalues(self):
+        """Dict-like itervalues() that returns an iterator of values of cookies
+        from the jar.
+
+        .. seealso:: iterkeys() and iteritems().
+        """
+        for cookie in iter(self):
+            yield cookie.value
+
+    def values(self):
+        """Dict-like values() that returns a list of values of cookies from the
+        jar.
+
+        .. seealso:: keys() and items().
+        """
+        return list(self.itervalues())
+
+    def iteritems(self):
+        """Dict-like iteritems() that returns an iterator of name-value tuples
+        from the jar.
+
+        .. seealso:: iterkeys() and itervalues().
+        """
+        for cookie in iter(self):
+            yield cookie.name, cookie.value
+
+    def items(self):
+        """Dict-like items() that returns a list of name-value tuples from the
+        jar. Allows client-code to call ``dict(RequestsCookieJar)`` and get a
+        vanilla python dict of key value pairs.
+
+        .. seealso:: keys() and values().
+        """
+        return list(self.iteritems())
+
+    def list_domains(self):
+        """Utility method to list all the domains in the jar."""
+        domains = []
+        for cookie in iter(self):
+            if cookie.domain not in domains:
+                domains.append(cookie.domain)
+        return domains
+
+    def list_paths(self):
+        """Utility method to list all the paths in the jar."""
+        paths = []
+        for cookie in iter(self):
+            if cookie.path not in paths:
+                paths.append(cookie.path)
+        return paths
+
+    def multiple_domains(self):
+        """Returns True if there are multiple domains in the jar.
+        Returns False otherwise.
+
+        :rtype: bool
+        """
+        domains = []
+        for cookie in iter(self):
+            if cookie.domain is not None and cookie.domain in domains:
+                return True
+            domains.append(cookie.domain)
+        return False  # there is only one domain in jar
+
+    def get_dict(self, domain=None, path=None):
+        """Takes as an argument an optional domain and path and returns a plain
+        old Python dict of name-value pairs of cookies that meet the
+        requirements.
+
+        :rtype: dict
+        """
+        dictionary = {}
+        for cookie in iter(self):
+            if (domain is None or cookie.domain == domain) and (
+                path is None or cookie.path == path
+            ):
+                dictionary[cookie.name] = cookie.value
+        return dictionary
+
+    def __contains__(self, name):
+        try:
+            return super().__contains__(name)
+        except CookieConflictError:
+            return True
+
+    def __getitem__(self, name):
+        """Dict-like __getitem__() for compatibility with client code. Throws
+        exception if there are more than one cookie with name. In that case,
+        use the more explicit get() method instead.
+
+        .. warning:: operation is O(n), not O(1).
+        """
+        return self._find_no_duplicates(name)
+
+    def __setitem__(self, name, value):
+        """Dict-like __setitem__ for compatibility with client code. Throws
+        exception if there is already a cookie of that name in the jar. In that
+        case, use the more explicit set() method instead.
+        """
+        self.set(name, value)
+
+    def __delitem__(self, name):
+        """Deletes a cookie given a name. Wraps ``cookielib.CookieJar``'s
+        ``remove_cookie_by_name()``.
+        """
+        remove_cookie_by_name(self, name)
+
+    def set_cookie(self, cookie, *args, **kwargs):
+        if (
+            hasattr(cookie.value, "startswith")
+            and cookie.value.startswith('"')
+            and cookie.value.endswith('"')
+        ):
+            cookie.value = cookie.value.replace('\\"', "")
+        return super().set_cookie(cookie, *args, **kwargs)
+
+    def update(self, other):
+        """Updates this jar with cookies from another CookieJar or dict-like"""
+        if isinstance(other, cookielib.CookieJar):
+            for cookie in other:
+                self.set_cookie(copy.copy(cookie))
+        else:
+            super().update(other)
+
+    def _find(self, name, domain=None, path=None):
+        """Requests uses this method internally to get cookie values.
+
+        If there are conflicting cookies, _find arbitrarily chooses one.
+        See _find_no_duplicates if you want an exception thrown if there are
+        conflicting cookies.
+
+        :param name: a string containing name of cookie
+        :param domain: (optional) string containing domain of cookie
+        :param path: (optional) string containing path of cookie
+        :return: cookie.value
+        """
+        for cookie in iter(self):
+            if cookie.name == name:
+                if domain is None or cookie.domain == domain:
+                    if path is None or cookie.path == path:
+                        return cookie.value
+
+        raise KeyError(f"name={name!r}, domain={domain!r}, path={path!r}")
+
+    def _find_no_duplicates(self, name, domain=None, path=None):
+        """Both ``__get_item__`` and ``get`` call this function: it's never
+        used elsewhere in Requests.
+
+        :param name: a string containing name of cookie
+        :param domain: (optional) string containing domain of cookie
+        :param path: (optional) string containing path of cookie
+        :raises KeyError: if cookie is not found
+        :raises CookieConflictError: if there are multiple cookies
+            that match name and optionally domain and path
+        :return: cookie.value
+        """
+        toReturn = None
+        for cookie in iter(self):
+            if cookie.name == name:
+                if domain is None or cookie.domain == domain:
+                    if path is None or cookie.path == path:
+                        if toReturn is not None:
+                            # if there are multiple cookies that meet passed in criteria
+                            raise CookieConflictError(
+                                f"There are multiple cookies with name, {name!r}"
+                            )
+                        # we will eventually return this as long as no cookie conflict
+                        toReturn = cookie.value
+
+        if toReturn:
+            return toReturn
+        raise KeyError(f"name={name!r}, domain={domain!r}, path={path!r}")
+
+    def __getstate__(self):
+        """Unlike a normal CookieJar, this class is pickleable."""
+        state = self.__dict__.copy()
+        # remove the unpickleable RLock object
+        state.pop("_cookies_lock")
+        return state
+
+    def __setstate__(self, state):
+        """Unlike a normal CookieJar, this class is pickleable."""
+        self.__dict__.update(state)
+        if "_cookies_lock" not in self.__dict__:
+            self._cookies_lock = threading.RLock()
+
+    def copy(self):
+        """Return a copy of this RequestsCookieJar."""
+        new_cj = RequestsCookieJar()
+        new_cj.set_policy(self.get_policy())
+        new_cj.update(self)
+        return new_cj
+
+    def get_policy(self):
+        """Return the CookiePolicy instance used."""
+        return self._policy
+
+
+def _copy_cookie_jar(jar):
+    if jar is None:
+        return None
+
+    if hasattr(jar, "copy"):
+        # We're dealing with an instance of RequestsCookieJar
+        return jar.copy()
+    # We're dealing with a generic CookieJar instance
+    new_jar = copy.copy(jar)
+    new_jar.clear()
+    for cookie in jar:
+        new_jar.set_cookie(copy.copy(cookie))
+    return new_jar
+
+
+def create_cookie(name, value, **kwargs):
+    """Make a cookie from underspecified parameters.
+
+    By default, the pair of `name` and `value` will be set for the domain ''
+    and sent on every request (this is sometimes called a "supercookie").
+    """
+    result = {
+        "version": 0,
+        "name": name,
+        "value": value,
+        "port": None,
+        "domain": "",
+        "path": "/",
+        "secure": False,
+        "expires": None,
+        "discard": True,
+        "comment": None,
+        "comment_url": None,
+        "rest": {"HttpOnly": None},
+        "rfc2109": False,
+    }
+
+    badargs = set(kwargs) - set(result)
+    if badargs:
+        raise TypeError(
+            f"create_cookie() got unexpected keyword arguments: {list(badargs)}"
+        )
+
+    result.update(kwargs)
+    result["port_specified"] = bool(result["port"])
+    result["domain_specified"] = bool(result["domain"])
+    result["domain_initial_dot"] = result["domain"].startswith(".")
+    result["path_specified"] = bool(result["path"])
+
+    return cookielib.Cookie(**result)
+
+
+def morsel_to_cookie(morsel):
+    """Convert a Morsel object into a Cookie containing the one k/v pair."""
+
+    expires = None
+    if morsel["max-age"]:
+        try:
+            expires = int(time.time() + int(morsel["max-age"]))
+        except ValueError:
+            raise TypeError(f"max-age: {morsel['max-age']} must be integer")
+    elif morsel["expires"]:
+        time_template = "%a, %d-%b-%Y %H:%M:%S GMT"
+        expires = calendar.timegm(time.strptime(morsel["expires"], time_template))
+    return create_cookie(
+        comment=morsel["comment"],
+        comment_url=bool(morsel["comment"]),
+        discard=False,
+        domain=morsel["domain"],
+        expires=expires,
+        name=morsel.key,
+        path=morsel["path"],
+        port=None,
+        rest={"HttpOnly": morsel["httponly"]},
+        rfc2109=False,
+        secure=bool(morsel["secure"]),
+        value=morsel.value,
+        version=morsel["version"] or 0,
+    )
+
+
+def cookiejar_from_dict(cookie_dict, cookiejar=None, overwrite=True):
+    """Returns a CookieJar from a key/value dictionary.
+
+    :param cookie_dict: Dict of key/values to insert into CookieJar.
+    :param cookiejar: (optional) A cookiejar to add the cookies to.
+    :param overwrite: (optional) If False, will not replace cookies
+        already in the jar with new ones.
+    :rtype: CookieJar
+    """
+    if cookiejar is None:
+        cookiejar = RequestsCookieJar()
+
+    if cookie_dict is not None:
+        names_from_jar = [cookie.name for cookie in cookiejar]
+        for name in cookie_dict:
+            if overwrite or (name not in names_from_jar):
+                cookiejar.set_cookie(create_cookie(name, cookie_dict[name]))
+
+    return cookiejar
+
+
+def merge_cookies(cookiejar, cookies):
+    """Add cookies to cookiejar and returns a merged CookieJar.
+
+    :param cookiejar: CookieJar object to add the cookies to.
+    :param cookies: Dictionary or CookieJar object to be added.
+    :rtype: CookieJar
+    """
+    if not isinstance(cookiejar, cookielib.CookieJar):
+        raise ValueError("You can only merge into CookieJar")
+
+    if isinstance(cookies, dict):
+        cookiejar = cookiejar_from_dict(cookies, cookiejar=cookiejar, overwrite=False)
+    elif isinstance(cookies, cookielib.CookieJar):
+        try:
+            cookiejar.update(cookies)
+        except AttributeError:
+            for cookie_in_jar in cookies:
+                cookiejar.set_cookie(cookie_in_jar)
+
+    return cookiejar
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/exceptions.py
new file mode 100644
index 00000000..168d0739
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/exceptions.py
@@ -0,0 +1,141 @@
+"""
+requests.exceptions
+~~~~~~~~~~~~~~~~~~~
+
+This module contains the set of Requests' exceptions.
+"""
+from pip._vendor.urllib3.exceptions import HTTPError as BaseHTTPError
+
+from .compat import JSONDecodeError as CompatJSONDecodeError
+
+
+class RequestException(IOError):
+    """There was an ambiguous exception that occurred while handling your
+    request.
+    """
+
+    def __init__(self, *args, **kwargs):
+        """Initialize RequestException with `request` and `response` objects."""
+        response = kwargs.pop("response", None)
+        self.response = response
+        self.request = kwargs.pop("request", None)
+        if response is not None and not self.request and hasattr(response, "request"):
+            self.request = self.response.request
+        super().__init__(*args, **kwargs)
+
+
+class InvalidJSONError(RequestException):
+    """A JSON error occurred."""
+
+
+class JSONDecodeError(InvalidJSONError, CompatJSONDecodeError):
+    """Couldn't decode the text into json"""
+
+    def __init__(self, *args, **kwargs):
+        """
+        Construct the JSONDecodeError instance first with all
+        args. Then use it's args to construct the IOError so that
+        the json specific args aren't used as IOError specific args
+        and the error message from JSONDecodeError is preserved.
+        """
+        CompatJSONDecodeError.__init__(self, *args)
+        InvalidJSONError.__init__(self, *self.args, **kwargs)
+
+
+class HTTPError(RequestException):
+    """An HTTP error occurred."""
+
+
+class ConnectionError(RequestException):
+    """A Connection error occurred."""
+
+
+class ProxyError(ConnectionError):
+    """A proxy error occurred."""
+
+
+class SSLError(ConnectionError):
+    """An SSL error occurred."""
+
+
+class Timeout(RequestException):
+    """The request timed out.
+
+    Catching this error will catch both
+    :exc:`~requests.exceptions.ConnectTimeout` and
+    :exc:`~requests.exceptions.ReadTimeout` errors.
+    """
+
+
+class ConnectTimeout(ConnectionError, Timeout):
+    """The request timed out while trying to connect to the remote server.
+
+    Requests that produced this error are safe to retry.
+    """
+
+
+class ReadTimeout(Timeout):
+    """The server did not send any data in the allotted amount of time."""
+
+
+class URLRequired(RequestException):
+    """A valid URL is required to make a request."""
+
+
+class TooManyRedirects(RequestException):
+    """Too many redirects."""
+
+
+class MissingSchema(RequestException, ValueError):
+    """The URL scheme (e.g. http or https) is missing."""
+
+
+class InvalidSchema(RequestException, ValueError):
+    """The URL scheme provided is either invalid or unsupported."""
+
+
+class InvalidURL(RequestException, ValueError):
+    """The URL provided was somehow invalid."""
+
+
+class InvalidHeader(RequestException, ValueError):
+    """The header value provided was somehow invalid."""
+
+
+class InvalidProxyURL(InvalidURL):
+    """The proxy URL provided is invalid."""
+
+
+class ChunkedEncodingError(RequestException):
+    """The server declared chunked encoding but sent an invalid chunk."""
+
+
+class ContentDecodingError(RequestException, BaseHTTPError):
+    """Failed to decode response content."""
+
+
+class StreamConsumedError(RequestException, TypeError):
+    """The content for this response was already consumed."""
+
+
+class RetryError(RequestException):
+    """Custom retries logic failed"""
+
+
+class UnrewindableBodyError(RequestException):
+    """Requests encountered an error when trying to rewind a body."""
+
+
+# Warnings
+
+
+class RequestsWarning(Warning):
+    """Base warning for Requests."""
+
+
+class FileModeWarning(RequestsWarning, DeprecationWarning):
+    """A file was opened in text mode, but Requests determined its binary length."""
+
+
+class RequestsDependencyWarning(RequestsWarning):
+    """An imported dependency doesn't match the expected version range."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/help.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/help.py
new file mode 100644
index 00000000..2d292c2f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/help.py
@@ -0,0 +1,131 @@
+"""Module containing bug report helper(s)."""
+
+import json
+import platform
+import ssl
+import sys
+
+from pip._vendor import idna
+from pip._vendor import urllib3
+
+from . import __version__ as requests_version
+
+charset_normalizer = None
+
+try:
+    from pip._vendor import chardet
+except ImportError:
+    chardet = None
+
+try:
+    from pip._vendor.urllib3.contrib import pyopenssl
+except ImportError:
+    pyopenssl = None
+    OpenSSL = None
+    cryptography = None
+else:
+    import cryptography
+    import OpenSSL
+
+
+def _implementation():
+    """Return a dict with the Python implementation and version.
+
+    Provide both the name and the version of the Python implementation
+    currently running. For example, on CPython 3.10.3 it will return
+    {'name': 'CPython', 'version': '3.10.3'}.
+
+    This function works best on CPython and PyPy: in particular, it probably
+    doesn't work for Jython or IronPython. Future investigation should be done
+    to work out the correct shape of the code for those platforms.
+    """
+    implementation = platform.python_implementation()
+
+    if implementation == "CPython":
+        implementation_version = platform.python_version()
+    elif implementation == "PyPy":
+        implementation_version = "{}.{}.{}".format(
+            sys.pypy_version_info.major,
+            sys.pypy_version_info.minor,
+            sys.pypy_version_info.micro,
+        )
+        if sys.pypy_version_info.releaselevel != "final":
+            implementation_version = "".join(
+                [implementation_version, sys.pypy_version_info.releaselevel]
+            )
+    elif implementation == "Jython":
+        implementation_version = platform.python_version()  # Complete Guess
+    elif implementation == "IronPython":
+        implementation_version = platform.python_version()  # Complete Guess
+    else:
+        implementation_version = "Unknown"
+
+    return {"name": implementation, "version": implementation_version}
+
+
+def info():
+    """Generate information for a bug report."""
+    try:
+        platform_info = {
+            "system": platform.system(),
+            "release": platform.release(),
+        }
+    except OSError:
+        platform_info = {
+            "system": "Unknown",
+            "release": "Unknown",
+        }
+
+    implementation_info = _implementation()
+    urllib3_info = {"version": urllib3.__version__}
+    charset_normalizer_info = {"version": None}
+    chardet_info = {"version": None}
+    if charset_normalizer:
+        charset_normalizer_info = {"version": charset_normalizer.__version__}
+    if chardet:
+        chardet_info = {"version": chardet.__version__}
+
+    pyopenssl_info = {
+        "version": None,
+        "openssl_version": "",
+    }
+    if OpenSSL:
+        pyopenssl_info = {
+            "version": OpenSSL.__version__,
+            "openssl_version": f"{OpenSSL.SSL.OPENSSL_VERSION_NUMBER:x}",
+        }
+    cryptography_info = {
+        "version": getattr(cryptography, "__version__", ""),
+    }
+    idna_info = {
+        "version": getattr(idna, "__version__", ""),
+    }
+
+    system_ssl = ssl.OPENSSL_VERSION_NUMBER
+    system_ssl_info = {"version": f"{system_ssl:x}" if system_ssl is not None else ""}
+
+    return {
+        "platform": platform_info,
+        "implementation": implementation_info,
+        "system_ssl": system_ssl_info,
+        "using_pyopenssl": pyopenssl is not None,
+        "using_charset_normalizer": chardet is None,
+        "pyOpenSSL": pyopenssl_info,
+        "urllib3": urllib3_info,
+        "chardet": chardet_info,
+        "charset_normalizer": charset_normalizer_info,
+        "cryptography": cryptography_info,
+        "idna": idna_info,
+        "requests": {
+            "version": requests_version,
+        },
+    }
+
+
+def main():
+    """Pretty-print the bug information as JSON."""
+    print(json.dumps(info(), sort_keys=True, indent=2))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/hooks.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/hooks.py
new file mode 100644
index 00000000..d181ba2e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/hooks.py
@@ -0,0 +1,33 @@
+"""
+requests.hooks
+~~~~~~~~~~~~~~
+
+This module provides the capabilities for the Requests hooks system.
+
+Available hooks:
+
+``response``:
+    The response generated from a Request.
+"""
+HOOKS = ["response"]
+
+
+def default_hooks():
+    return {event: [] for event in HOOKS}
+
+
+# TODO: response is the only one
+
+
+def dispatch_hook(key, hooks, hook_data, **kwargs):
+    """Dispatches a hook dictionary on a given piece of data."""
+    hooks = hooks or {}
+    hooks = hooks.get(key)
+    if hooks:
+        if hasattr(hooks, "__call__"):
+            hooks = [hooks]
+        for hook in hooks:
+            _hook_data = hook(hook_data, **kwargs)
+            if _hook_data is not None:
+                hook_data = _hook_data
+    return hook_data
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/models.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/models.py
new file mode 100644
index 00000000..76e6f199
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/models.py
@@ -0,0 +1,1034 @@
+"""
+requests.models
+~~~~~~~~~~~~~~~
+
+This module contains the primary objects that power Requests.
+"""
+
+import datetime
+
+# Import encoding now, to avoid implicit import later.
+# Implicit import within threads may cause LookupError when standard library is in a ZIP,
+# such as in Embedded Python. See https://github.com/psf/requests/issues/3578.
+import encodings.idna  # noqa: F401
+from io import UnsupportedOperation
+
+from pip._vendor.urllib3.exceptions import (
+    DecodeError,
+    LocationParseError,
+    ProtocolError,
+    ReadTimeoutError,
+    SSLError,
+)
+from pip._vendor.urllib3.fields import RequestField
+from pip._vendor.urllib3.filepost import encode_multipart_formdata
+from pip._vendor.urllib3.util import parse_url
+
+from ._internal_utils import to_native_string, unicode_is_ascii
+from .auth import HTTPBasicAuth
+from .compat import (
+    Callable,
+    JSONDecodeError,
+    Mapping,
+    basestring,
+    builtin_str,
+    chardet,
+    cookielib,
+)
+from .compat import json as complexjson
+from .compat import urlencode, urlsplit, urlunparse
+from .cookies import _copy_cookie_jar, cookiejar_from_dict, get_cookie_header
+from .exceptions import (
+    ChunkedEncodingError,
+    ConnectionError,
+    ContentDecodingError,
+    HTTPError,
+    InvalidJSONError,
+    InvalidURL,
+)
+from .exceptions import JSONDecodeError as RequestsJSONDecodeError
+from .exceptions import MissingSchema
+from .exceptions import SSLError as RequestsSSLError
+from .exceptions import StreamConsumedError
+from .hooks import default_hooks
+from .status_codes import codes
+from .structures import CaseInsensitiveDict
+from .utils import (
+    check_header_validity,
+    get_auth_from_url,
+    guess_filename,
+    guess_json_utf,
+    iter_slices,
+    parse_header_links,
+    requote_uri,
+    stream_decode_response_unicode,
+    super_len,
+    to_key_val_list,
+)
+
+#: The set of HTTP status codes that indicate an automatically
+#: processable redirect.
+REDIRECT_STATI = (
+    codes.moved,  # 301
+    codes.found,  # 302
+    codes.other,  # 303
+    codes.temporary_redirect,  # 307
+    codes.permanent_redirect,  # 308
+)
+
+DEFAULT_REDIRECT_LIMIT = 30
+CONTENT_CHUNK_SIZE = 10 * 1024
+ITER_CHUNK_SIZE = 512
+
+
+class RequestEncodingMixin:
+    @property
+    def path_url(self):
+        """Build the path URL to use."""
+
+        url = []
+
+        p = urlsplit(self.url)
+
+        path = p.path
+        if not path:
+            path = "/"
+
+        url.append(path)
+
+        query = p.query
+        if query:
+            url.append("?")
+            url.append(query)
+
+        return "".join(url)
+
+    @staticmethod
+    def _encode_params(data):
+        """Encode parameters in a piece of data.
+
+        Will successfully encode parameters when passed as a dict or a list of
+        2-tuples. Order is retained if data is a list of 2-tuples but arbitrary
+        if parameters are supplied as a dict.
+        """
+
+        if isinstance(data, (str, bytes)):
+            return data
+        elif hasattr(data, "read"):
+            return data
+        elif hasattr(data, "__iter__"):
+            result = []
+            for k, vs in to_key_val_list(data):
+                if isinstance(vs, basestring) or not hasattr(vs, "__iter__"):
+                    vs = [vs]
+                for v in vs:
+                    if v is not None:
+                        result.append(
+                            (
+                                k.encode("utf-8") if isinstance(k, str) else k,
+                                v.encode("utf-8") if isinstance(v, str) else v,
+                            )
+                        )
+            return urlencode(result, doseq=True)
+        else:
+            return data
+
+    @staticmethod
+    def _encode_files(files, data):
+        """Build the body for a multipart/form-data request.
+
+        Will successfully encode files when passed as a dict or a list of
+        tuples. Order is retained if data is a list of tuples but arbitrary
+        if parameters are supplied as a dict.
+        The tuples may be 2-tuples (filename, fileobj), 3-tuples (filename, fileobj, contentype)
+        or 4-tuples (filename, fileobj, contentype, custom_headers).
+        """
+        if not files:
+            raise ValueError("Files must be provided.")
+        elif isinstance(data, basestring):
+            raise ValueError("Data must not be a string.")
+
+        new_fields = []
+        fields = to_key_val_list(data or {})
+        files = to_key_val_list(files or {})
+
+        for field, val in fields:
+            if isinstance(val, basestring) or not hasattr(val, "__iter__"):
+                val = [val]
+            for v in val:
+                if v is not None:
+                    # Don't call str() on bytestrings: in Py3 it all goes wrong.
+                    if not isinstance(v, bytes):
+                        v = str(v)
+
+                    new_fields.append(
+                        (
+                            field.decode("utf-8")
+                            if isinstance(field, bytes)
+                            else field,
+                            v.encode("utf-8") if isinstance(v, str) else v,
+                        )
+                    )
+
+        for (k, v) in files:
+            # support for explicit filename
+            ft = None
+            fh = None
+            if isinstance(v, (tuple, list)):
+                if len(v) == 2:
+                    fn, fp = v
+                elif len(v) == 3:
+                    fn, fp, ft = v
+                else:
+                    fn, fp, ft, fh = v
+            else:
+                fn = guess_filename(v) or k
+                fp = v
+
+            if isinstance(fp, (str, bytes, bytearray)):
+                fdata = fp
+            elif hasattr(fp, "read"):
+                fdata = fp.read()
+            elif fp is None:
+                continue
+            else:
+                fdata = fp
+
+            rf = RequestField(name=k, data=fdata, filename=fn, headers=fh)
+            rf.make_multipart(content_type=ft)
+            new_fields.append(rf)
+
+        body, content_type = encode_multipart_formdata(new_fields)
+
+        return body, content_type
+
+
+class RequestHooksMixin:
+    def register_hook(self, event, hook):
+        """Properly register a hook."""
+
+        if event not in self.hooks:
+            raise ValueError(f'Unsupported event specified, with event name "{event}"')
+
+        if isinstance(hook, Callable):
+            self.hooks[event].append(hook)
+        elif hasattr(hook, "__iter__"):
+            self.hooks[event].extend(h for h in hook if isinstance(h, Callable))
+
+    def deregister_hook(self, event, hook):
+        """Deregister a previously registered hook.
+        Returns True if the hook existed, False if not.
+        """
+
+        try:
+            self.hooks[event].remove(hook)
+            return True
+        except ValueError:
+            return False
+
+
+class Request(RequestHooksMixin):
+    """A user-created :class:`Request <Request>` object.
+
+    Used to prepare a :class:`PreparedRequest <PreparedRequest>`, which is sent to the server.
+
+    :param method: HTTP method to use.
+    :param url: URL to send.
+    :param headers: dictionary of headers to send.
+    :param files: dictionary of {filename: fileobject} files to multipart upload.
+    :param data: the body to attach to the request. If a dictionary or
+        list of tuples ``[(key, value)]`` is provided, form-encoding will
+        take place.
+    :param json: json for the body to attach to the request (if files or data is not specified).
+    :param params: URL parameters to append to the URL. If a dictionary or
+        list of tuples ``[(key, value)]`` is provided, form-encoding will
+        take place.
+    :param auth: Auth handler or (user, pass) tuple.
+    :param cookies: dictionary or CookieJar of cookies to attach to this request.
+    :param hooks: dictionary of callback hooks, for internal usage.
+
+    Usage::
+
+      >>> import requests
+      >>> req = requests.Request('GET', 'https://httpbin.org/get')
+      >>> req.prepare()
+      <PreparedRequest [GET]>
+    """
+
+    def __init__(
+        self,
+        method=None,
+        url=None,
+        headers=None,
+        files=None,
+        data=None,
+        params=None,
+        auth=None,
+        cookies=None,
+        hooks=None,
+        json=None,
+    ):
+
+        # Default empty dicts for dict params.
+        data = [] if data is None else data
+        files = [] if files is None else files
+        headers = {} if headers is None else headers
+        params = {} if params is None else params
+        hooks = {} if hooks is None else hooks
+
+        self.hooks = default_hooks()
+        for (k, v) in list(hooks.items()):
+            self.register_hook(event=k, hook=v)
+
+        self.method = method
+        self.url = url
+        self.headers = headers
+        self.files = files
+        self.data = data
+        self.json = json
+        self.params = params
+        self.auth = auth
+        self.cookies = cookies
+
+    def __repr__(self):
+        return f"<Request [{self.method}]>"
+
+    def prepare(self):
+        """Constructs a :class:`PreparedRequest <PreparedRequest>` for transmission and returns it."""
+        p = PreparedRequest()
+        p.prepare(
+            method=self.method,
+            url=self.url,
+            headers=self.headers,
+            files=self.files,
+            data=self.data,
+            json=self.json,
+            params=self.params,
+            auth=self.auth,
+            cookies=self.cookies,
+            hooks=self.hooks,
+        )
+        return p
+
+
+class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
+    """The fully mutable :class:`PreparedRequest <PreparedRequest>` object,
+    containing the exact bytes that will be sent to the server.
+
+    Instances are generated from a :class:`Request <Request>` object, and
+    should not be instantiated manually; doing so may produce undesirable
+    effects.
+
+    Usage::
+
+      >>> import requests
+      >>> req = requests.Request('GET', 'https://httpbin.org/get')
+      >>> r = req.prepare()
+      >>> r
+      <PreparedRequest [GET]>
+
+      >>> s = requests.Session()
+      >>> s.send(r)
+      <Response [200]>
+    """
+
+    def __init__(self):
+        #: HTTP verb to send to the server.
+        self.method = None
+        #: HTTP URL to send the request to.
+        self.url = None
+        #: dictionary of HTTP headers.
+        self.headers = None
+        # The `CookieJar` used to create the Cookie header will be stored here
+        # after prepare_cookies is called
+        self._cookies = None
+        #: request body to send to the server.
+        self.body = None
+        #: dictionary of callback hooks, for internal usage.
+        self.hooks = default_hooks()
+        #: integer denoting starting position of a readable file-like body.
+        self._body_position = None
+
+    def prepare(
+        self,
+        method=None,
+        url=None,
+        headers=None,
+        files=None,
+        data=None,
+        params=None,
+        auth=None,
+        cookies=None,
+        hooks=None,
+        json=None,
+    ):
+        """Prepares the entire request with the given parameters."""
+
+        self.prepare_method(method)
+        self.prepare_url(url, params)
+        self.prepare_headers(headers)
+        self.prepare_cookies(cookies)
+        self.prepare_body(data, files, json)
+        self.prepare_auth(auth, url)
+
+        # Note that prepare_auth must be last to enable authentication schemes
+        # such as OAuth to work on a fully prepared request.
+
+        # This MUST go after prepare_auth. Authenticators could add a hook
+        self.prepare_hooks(hooks)
+
+    def __repr__(self):
+        return f"<PreparedRequest [{self.method}]>"
+
+    def copy(self):
+        p = PreparedRequest()
+        p.method = self.method
+        p.url = self.url
+        p.headers = self.headers.copy() if self.headers is not None else None
+        p._cookies = _copy_cookie_jar(self._cookies)
+        p.body = self.body
+        p.hooks = self.hooks
+        p._body_position = self._body_position
+        return p
+
+    def prepare_method(self, method):
+        """Prepares the given HTTP method."""
+        self.method = method
+        if self.method is not None:
+            self.method = to_native_string(self.method.upper())
+
+    @staticmethod
+    def _get_idna_encoded_host(host):
+        from pip._vendor import idna
+
+        try:
+            host = idna.encode(host, uts46=True).decode("utf-8")
+        except idna.IDNAError:
+            raise UnicodeError
+        return host
+
+    def prepare_url(self, url, params):
+        """Prepares the given HTTP URL."""
+        #: Accept objects that have string representations.
+        #: We're unable to blindly call unicode/str functions
+        #: as this will include the bytestring indicator (b'')
+        #: on python 3.x.
+        #: https://github.com/psf/requests/pull/2238
+        if isinstance(url, bytes):
+            url = url.decode("utf8")
+        else:
+            url = str(url)
+
+        # Remove leading whitespaces from url
+        url = url.lstrip()
+
+        # Don't do any URL preparation for non-HTTP schemes like `mailto`,
+        # `data` etc to work around exceptions from `url_parse`, which
+        # handles RFC 3986 only.
+        if ":" in url and not url.lower().startswith("http"):
+            self.url = url
+            return
+
+        # Support for unicode domain names and paths.
+        try:
+            scheme, auth, host, port, path, query, fragment = parse_url(url)
+        except LocationParseError as e:
+            raise InvalidURL(*e.args)
+
+        if not scheme:
+            raise MissingSchema(
+                f"Invalid URL {url!r}: No scheme supplied. "
+                f"Perhaps you meant https://{url}?"
+            )
+
+        if not host:
+            raise InvalidURL(f"Invalid URL {url!r}: No host supplied")
+
+        # In general, we want to try IDNA encoding the hostname if the string contains
+        # non-ASCII characters. This allows users to automatically get the correct IDNA
+        # behaviour. For strings containing only ASCII characters, we need to also verify
+        # it doesn't start with a wildcard (*), before allowing the unencoded hostname.
+        if not unicode_is_ascii(host):
+            try:
+                host = self._get_idna_encoded_host(host)
+            except UnicodeError:
+                raise InvalidURL("URL has an invalid label.")
+        elif host.startswith(("*", ".")):
+            raise InvalidURL("URL has an invalid label.")
+
+        # Carefully reconstruct the network location
+        netloc = auth or ""
+        if netloc:
+            netloc += "@"
+        netloc += host
+        if port:
+            netloc += f":{port}"
+
+        # Bare domains aren't valid URLs.
+        if not path:
+            path = "/"
+
+        if isinstance(params, (str, bytes)):
+            params = to_native_string(params)
+
+        enc_params = self._encode_params(params)
+        if enc_params:
+            if query:
+                query = f"{query}&{enc_params}"
+            else:
+                query = enc_params
+
+        url = requote_uri(urlunparse([scheme, netloc, path, None, query, fragment]))
+        self.url = url
+
+    def prepare_headers(self, headers):
+        """Prepares the given HTTP headers."""
+
+        self.headers = CaseInsensitiveDict()
+        if headers:
+            for header in headers.items():
+                # Raise exception on invalid header value.
+                check_header_validity(header)
+                name, value = header
+                self.headers[to_native_string(name)] = value
+
+    def prepare_body(self, data, files, json=None):
+        """Prepares the given HTTP body data."""
+
+        # Check if file, fo, generator, iterator.
+        # If not, run through normal process.
+
+        # Nottin' on you.
+        body = None
+        content_type = None
+
+        if not data and json is not None:
+            # urllib3 requires a bytes-like body. Python 2's json.dumps
+            # provides this natively, but Python 3 gives a Unicode string.
+            content_type = "application/json"
+
+            try:
+                body = complexjson.dumps(json, allow_nan=False)
+            except ValueError as ve:
+                raise InvalidJSONError(ve, request=self)
+
+            if not isinstance(body, bytes):
+                body = body.encode("utf-8")
+
+        is_stream = all(
+            [
+                hasattr(data, "__iter__"),
+                not isinstance(data, (basestring, list, tuple, Mapping)),
+            ]
+        )
+
+        if is_stream:
+            try:
+                length = super_len(data)
+            except (TypeError, AttributeError, UnsupportedOperation):
+                length = None
+
+            body = data
+
+            if getattr(body, "tell", None) is not None:
+                # Record the current file position before reading.
+                # This will allow us to rewind a file in the event
+                # of a redirect.
+                try:
+                    self._body_position = body.tell()
+                except OSError:
+                    # This differentiates from None, allowing us to catch
+                    # a failed `tell()` later when trying to rewind the body
+                    self._body_position = object()
+
+            if files:
+                raise NotImplementedError(
+                    "Streamed bodies and files are mutually exclusive."
+                )
+
+            if length:
+                self.headers["Content-Length"] = builtin_str(length)
+            else:
+                self.headers["Transfer-Encoding"] = "chunked"
+        else:
+            # Multi-part file uploads.
+            if files:
+                (body, content_type) = self._encode_files(files, data)
+            else:
+                if data:
+                    body = self._encode_params(data)
+                    if isinstance(data, basestring) or hasattr(data, "read"):
+                        content_type = None
+                    else:
+                        content_type = "application/x-www-form-urlencoded"
+
+            self.prepare_content_length(body)
+
+            # Add content-type if it wasn't explicitly provided.
+            if content_type and ("content-type" not in self.headers):
+                self.headers["Content-Type"] = content_type
+
+        self.body = body
+
+    def prepare_content_length(self, body):
+        """Prepare Content-Length header based on request method and body"""
+        if body is not None:
+            length = super_len(body)
+            if length:
+                # If length exists, set it. Otherwise, we fallback
+                # to Transfer-Encoding: chunked.
+                self.headers["Content-Length"] = builtin_str(length)
+        elif (
+            self.method not in ("GET", "HEAD")
+            and self.headers.get("Content-Length") is None
+        ):
+            # Set Content-Length to 0 for methods that can have a body
+            # but don't provide one. (i.e. not GET or HEAD)
+            self.headers["Content-Length"] = "0"
+
+    def prepare_auth(self, auth, url=""):
+        """Prepares the given HTTP auth data."""
+
+        # If no Auth is explicitly provided, extract it from the URL first.
+        if auth is None:
+            url_auth = get_auth_from_url(self.url)
+            auth = url_auth if any(url_auth) else None
+
+        if auth:
+            if isinstance(auth, tuple) and len(auth) == 2:
+                # special-case basic HTTP auth
+                auth = HTTPBasicAuth(*auth)
+
+            # Allow auth to make its changes.
+            r = auth(self)
+
+            # Update self to reflect the auth changes.
+            self.__dict__.update(r.__dict__)
+
+            # Recompute Content-Length
+            self.prepare_content_length(self.body)
+
+    def prepare_cookies(self, cookies):
+        """Prepares the given HTTP cookie data.
+
+        This function eventually generates a ``Cookie`` header from the
+        given cookies using cookielib. Due to cookielib's design, the header
+        will not be regenerated if it already exists, meaning this function
+        can only be called once for the life of the
+        :class:`PreparedRequest <PreparedRequest>` object. Any subsequent calls
+        to ``prepare_cookies`` will have no actual effect, unless the "Cookie"
+        header is removed beforehand.
+        """
+        if isinstance(cookies, cookielib.CookieJar):
+            self._cookies = cookies
+        else:
+            self._cookies = cookiejar_from_dict(cookies)
+
+        cookie_header = get_cookie_header(self._cookies, self)
+        if cookie_header is not None:
+            self.headers["Cookie"] = cookie_header
+
+    def prepare_hooks(self, hooks):
+        """Prepares the given hooks."""
+        # hooks can be passed as None to the prepare method and to this
+        # method. To prevent iterating over None, simply use an empty list
+        # if hooks is False-y
+        hooks = hooks or []
+        for event in hooks:
+            self.register_hook(event, hooks[event])
+
+
+class Response:
+    """The :class:`Response <Response>` object, which contains a
+    server's response to an HTTP request.
+    """
+
+    __attrs__ = [
+        "_content",
+        "status_code",
+        "headers",
+        "url",
+        "history",
+        "encoding",
+        "reason",
+        "cookies",
+        "elapsed",
+        "request",
+    ]
+
+    def __init__(self):
+        self._content = False
+        self._content_consumed = False
+        self._next = None
+
+        #: Integer Code of responded HTTP Status, e.g. 404 or 200.
+        self.status_code = None
+
+        #: Case-insensitive Dictionary of Response Headers.
+        #: For example, ``headers['content-encoding']`` will return the
+        #: value of a ``'Content-Encoding'`` response header.
+        self.headers = CaseInsensitiveDict()
+
+        #: File-like object representation of response (for advanced usage).
+        #: Use of ``raw`` requires that ``stream=True`` be set on the request.
+        #: This requirement does not apply for use internally to Requests.
+        self.raw = None
+
+        #: Final URL location of Response.
+        self.url = None
+
+        #: Encoding to decode with when accessing r.text.
+        self.encoding = None
+
+        #: A list of :class:`Response <Response>` objects from
+        #: the history of the Request. Any redirect responses will end
+        #: up here. The list is sorted from the oldest to the most recent request.
+        self.history = []
+
+        #: Textual reason of responded HTTP Status, e.g. "Not Found" or "OK".
+        self.reason = None
+
+        #: A CookieJar of Cookies the server sent back.
+        self.cookies = cookiejar_from_dict({})
+
+        #: The amount of time elapsed between sending the request
+        #: and the arrival of the response (as a timedelta).
+        #: This property specifically measures the time taken between sending
+        #: the first byte of the request and finishing parsing the headers. It
+        #: is therefore unaffected by consuming the response content or the
+        #: value of the ``stream`` keyword argument.
+        self.elapsed = datetime.timedelta(0)
+
+        #: The :class:`PreparedRequest <PreparedRequest>` object to which this
+        #: is a response.
+        self.request = None
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.close()
+
+    def __getstate__(self):
+        # Consume everything; accessing the content attribute makes
+        # sure the content has been fully read.
+        if not self._content_consumed:
+            self.content
+
+        return {attr: getattr(self, attr, None) for attr in self.__attrs__}
+
+    def __setstate__(self, state):
+        for name, value in state.items():
+            setattr(self, name, value)
+
+        # pickled objects do not have .raw
+        setattr(self, "_content_consumed", True)
+        setattr(self, "raw", None)
+
+    def __repr__(self):
+        return f"<Response [{self.status_code}]>"
+
+    def __bool__(self):
+        """Returns True if :attr:`status_code` is less than 400.
+
+        This attribute checks if the status code of the response is between
+        400 and 600 to see if there was a client error or a server error. If
+        the status code, is between 200 and 400, this will return True. This
+        is **not** a check to see if the response code is ``200 OK``.
+        """
+        return self.ok
+
+    def __nonzero__(self):
+        """Returns True if :attr:`status_code` is less than 400.
+
+        This attribute checks if the status code of the response is between
+        400 and 600 to see if there was a client error or a server error. If
+        the status code, is between 200 and 400, this will return True. This
+        is **not** a check to see if the response code is ``200 OK``.
+        """
+        return self.ok
+
+    def __iter__(self):
+        """Allows you to use a response as an iterator."""
+        return self.iter_content(128)
+
+    @property
+    def ok(self):
+        """Returns True if :attr:`status_code` is less than 400, False if not.
+
+        This attribute checks if the status code of the response is between
+        400 and 600 to see if there was a client error or a server error. If
+        the status code is between 200 and 400, this will return True. This
+        is **not** a check to see if the response code is ``200 OK``.
+        """
+        try:
+            self.raise_for_status()
+        except HTTPError:
+            return False
+        return True
+
+    @property
+    def is_redirect(self):
+        """True if this Response is a well-formed HTTP redirect that could have
+        been processed automatically (by :meth:`Session.resolve_redirects`).
+        """
+        return "location" in self.headers and self.status_code in REDIRECT_STATI
+
+    @property
+    def is_permanent_redirect(self):
+        """True if this Response one of the permanent versions of redirect."""
+        return "location" in self.headers and self.status_code in (
+            codes.moved_permanently,
+            codes.permanent_redirect,
+        )
+
+    @property
+    def next(self):
+        """Returns a PreparedRequest for the next request in a redirect chain, if there is one."""
+        return self._next
+
+    @property
+    def apparent_encoding(self):
+        """The apparent encoding, provided by the charset_normalizer or chardet libraries."""
+        return chardet.detect(self.content)["encoding"]
+
+    def iter_content(self, chunk_size=1, decode_unicode=False):
+        """Iterates over the response data.  When stream=True is set on the
+        request, this avoids reading the content at once into memory for
+        large responses.  The chunk size is the number of bytes it should
+        read into memory.  This is not necessarily the length of each item
+        returned as decoding can take place.
+
+        chunk_size must be of type int or None. A value of None will
+        function differently depending on the value of `stream`.
+        stream=True will read data as it arrives in whatever size the
+        chunks are received. If stream=False, data is returned as
+        a single chunk.
+
+        If decode_unicode is True, content will be decoded using the best
+        available encoding based on the response.
+        """
+
+        def generate():
+            # Special case for urllib3.
+            if hasattr(self.raw, "stream"):
+                try:
+                    yield from self.raw.stream(chunk_size, decode_content=True)
+                except ProtocolError as e:
+                    raise ChunkedEncodingError(e)
+                except DecodeError as e:
+                    raise ContentDecodingError(e)
+                except ReadTimeoutError as e:
+                    raise ConnectionError(e)
+                except SSLError as e:
+                    raise RequestsSSLError(e)
+            else:
+                # Standard file-like object.
+                while True:
+                    chunk = self.raw.read(chunk_size)
+                    if not chunk:
+                        break
+                    yield chunk
+
+            self._content_consumed = True
+
+        if self._content_consumed and isinstance(self._content, bool):
+            raise StreamConsumedError()
+        elif chunk_size is not None and not isinstance(chunk_size, int):
+            raise TypeError(
+                f"chunk_size must be an int, it is instead a {type(chunk_size)}."
+            )
+        # simulate reading small chunks of the content
+        reused_chunks = iter_slices(self._content, chunk_size)
+
+        stream_chunks = generate()
+
+        chunks = reused_chunks if self._content_consumed else stream_chunks
+
+        if decode_unicode:
+            chunks = stream_decode_response_unicode(chunks, self)
+
+        return chunks
+
+    def iter_lines(
+        self, chunk_size=ITER_CHUNK_SIZE, decode_unicode=False, delimiter=None
+    ):
+        """Iterates over the response data, one line at a time.  When
+        stream=True is set on the request, this avoids reading the
+        content at once into memory for large responses.
+
+        .. note:: This method is not reentrant safe.
+        """
+
+        pending = None
+
+        for chunk in self.iter_content(
+            chunk_size=chunk_size, decode_unicode=decode_unicode
+        ):
+
+            if pending is not None:
+                chunk = pending + chunk
+
+            if delimiter:
+                lines = chunk.split(delimiter)
+            else:
+                lines = chunk.splitlines()
+
+            if lines and lines[-1] and chunk and lines[-1][-1] == chunk[-1]:
+                pending = lines.pop()
+            else:
+                pending = None
+
+            yield from lines
+
+        if pending is not None:
+            yield pending
+
+    @property
+    def content(self):
+        """Content of the response, in bytes."""
+
+        if self._content is False:
+            # Read the contents.
+            if self._content_consumed:
+                raise RuntimeError("The content for this response was already consumed")
+
+            if self.status_code == 0 or self.raw is None:
+                self._content = None
+            else:
+                self._content = b"".join(self.iter_content(CONTENT_CHUNK_SIZE)) or b""
+
+        self._content_consumed = True
+        # don't need to release the connection; that's been handled by urllib3
+        # since we exhausted the data.
+        return self._content
+
+    @property
+    def text(self):
+        """Content of the response, in unicode.
+
+        If Response.encoding is None, encoding will be guessed using
+        ``charset_normalizer`` or ``chardet``.
+
+        The encoding of the response content is determined based solely on HTTP
+        headers, following RFC 2616 to the letter. If you can take advantage of
+        non-HTTP knowledge to make a better guess at the encoding, you should
+        set ``r.encoding`` appropriately before accessing this property.
+        """
+
+        # Try charset from content-type
+        content = None
+        encoding = self.encoding
+
+        if not self.content:
+            return ""
+
+        # Fallback to auto-detected encoding.
+        if self.encoding is None:
+            encoding = self.apparent_encoding
+
+        # Decode unicode from given encoding.
+        try:
+            content = str(self.content, encoding, errors="replace")
+        except (LookupError, TypeError):
+            # A LookupError is raised if the encoding was not found which could
+            # indicate a misspelling or similar mistake.
+            #
+            # A TypeError can be raised if encoding is None
+            #
+            # So we try blindly encoding.
+            content = str(self.content, errors="replace")
+
+        return content
+
+    def json(self, **kwargs):
+        r"""Returns the json-encoded content of a response, if any.
+
+        :param \*\*kwargs: Optional arguments that ``json.loads`` takes.
+        :raises requests.exceptions.JSONDecodeError: If the response body does not
+            contain valid json.
+        """
+
+        if not self.encoding and self.content and len(self.content) > 3:
+            # No encoding set. JSON RFC 4627 section 3 states we should expect
+            # UTF-8, -16 or -32. Detect which one to use; If the detection or
+            # decoding fails, fall back to `self.text` (using charset_normalizer to make
+            # a best guess).
+            encoding = guess_json_utf(self.content)
+            if encoding is not None:
+                try:
+                    return complexjson.loads(self.content.decode(encoding), **kwargs)
+                except UnicodeDecodeError:
+                    # Wrong UTF codec detected; usually because it's not UTF-8
+                    # but some other 8-bit codec.  This is an RFC violation,
+                    # and the server didn't bother to tell us what codec *was*
+                    # used.
+                    pass
+                except JSONDecodeError as e:
+                    raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
+
+        try:
+            return complexjson.loads(self.text, **kwargs)
+        except JSONDecodeError as e:
+            # Catch JSON-related errors and raise as requests.JSONDecodeError
+            # This aliases json.JSONDecodeError and simplejson.JSONDecodeError
+            raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
+
+    @property
+    def links(self):
+        """Returns the parsed header links of the response, if any."""
+
+        header = self.headers.get("link")
+
+        resolved_links = {}
+
+        if header:
+            links = parse_header_links(header)
+
+            for link in links:
+                key = link.get("rel") or link.get("url")
+                resolved_links[key] = link
+
+        return resolved_links
+
+    def raise_for_status(self):
+        """Raises :class:`HTTPError`, if one occurred."""
+
+        http_error_msg = ""
+        if isinstance(self.reason, bytes):
+            # We attempt to decode utf-8 first because some servers
+            # choose to localize their reason strings. If the string
+            # isn't utf-8, we fall back to iso-8859-1 for all other
+            # encodings. (See PR #3538)
+            try:
+                reason = self.reason.decode("utf-8")
+            except UnicodeDecodeError:
+                reason = self.reason.decode("iso-8859-1")
+        else:
+            reason = self.reason
+
+        if 400 <= self.status_code < 500:
+            http_error_msg = (
+                f"{self.status_code} Client Error: {reason} for url: {self.url}"
+            )
+
+        elif 500 <= self.status_code < 600:
+            http_error_msg = (
+                f"{self.status_code} Server Error: {reason} for url: {self.url}"
+            )
+
+        if http_error_msg:
+            raise HTTPError(http_error_msg, response=self)
+
+    def close(self):
+        """Releases the connection back to the pool. Once this method has been
+        called the underlying ``raw`` object must not be accessed again.
+
+        *Note: Should not normally need to be called explicitly.*
+        """
+        if not self._content_consumed:
+            self.raw.close()
+
+        release_conn = getattr(self.raw, "release_conn", None)
+        if release_conn is not None:
+            release_conn()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/packages.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/packages.py
new file mode 100644
index 00000000..9582fa73
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/packages.py
@@ -0,0 +1,16 @@
+import sys
+
+# This code exists for backwards compatibility reasons.
+# I don't like it either. Just look the other way. :)
+
+for package in ('urllib3', 'idna', 'chardet'):
+    vendored_package = "pip._vendor." + package
+    locals()[package] = __import__(vendored_package)
+    # This traversal is apparently necessary such that the identities are
+    # preserved (requests.packages.urllib3.* is urllib3.*)
+    for mod in list(sys.modules):
+        if mod == vendored_package or mod.startswith(vendored_package + '.'):
+            unprefixed_mod = mod[len("pip._vendor."):]
+            sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
+
+# Kinda cool, though, right?
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/sessions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/sessions.py
new file mode 100644
index 00000000..dbcf2a7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/sessions.py
@@ -0,0 +1,833 @@
+"""
+requests.sessions
+~~~~~~~~~~~~~~~~~
+
+This module provides a Session object to manage and persist settings across
+requests (cookies, auth, proxies).
+"""
+import os
+import sys
+import time
+from collections import OrderedDict
+from datetime import timedelta
+
+from ._internal_utils import to_native_string
+from .adapters import HTTPAdapter
+from .auth import _basic_auth_str
+from .compat import Mapping, cookielib, urljoin, urlparse
+from .cookies import (
+    RequestsCookieJar,
+    cookiejar_from_dict,
+    extract_cookies_to_jar,
+    merge_cookies,
+)
+from .exceptions import (
+    ChunkedEncodingError,
+    ContentDecodingError,
+    InvalidSchema,
+    TooManyRedirects,
+)
+from .hooks import default_hooks, dispatch_hook
+
+# formerly defined here, reexposed here for backward compatibility
+from .models import (  # noqa: F401
+    DEFAULT_REDIRECT_LIMIT,
+    REDIRECT_STATI,
+    PreparedRequest,
+    Request,
+)
+from .status_codes import codes
+from .structures import CaseInsensitiveDict
+from .utils import (  # noqa: F401
+    DEFAULT_PORTS,
+    default_headers,
+    get_auth_from_url,
+    get_environ_proxies,
+    get_netrc_auth,
+    requote_uri,
+    resolve_proxies,
+    rewind_body,
+    should_bypass_proxies,
+    to_key_val_list,
+)
+
+# Preferred clock, based on which one is more accurate on a given system.
+if sys.platform == "win32":
+    preferred_clock = time.perf_counter
+else:
+    preferred_clock = time.time
+
+
+def merge_setting(request_setting, session_setting, dict_class=OrderedDict):
+    """Determines appropriate setting for a given request, taking into account
+    the explicit setting on that request, and the setting in the session. If a
+    setting is a dictionary, they will be merged together using `dict_class`
+    """
+
+    if session_setting is None:
+        return request_setting
+
+    if request_setting is None:
+        return session_setting
+
+    # Bypass if not a dictionary (e.g. verify)
+    if not (
+        isinstance(session_setting, Mapping) and isinstance(request_setting, Mapping)
+    ):
+        return request_setting
+
+    merged_setting = dict_class(to_key_val_list(session_setting))
+    merged_setting.update(to_key_val_list(request_setting))
+
+    # Remove keys that are set to None. Extract keys first to avoid altering
+    # the dictionary during iteration.
+    none_keys = [k for (k, v) in merged_setting.items() if v is None]
+    for key in none_keys:
+        del merged_setting[key]
+
+    return merged_setting
+
+
+def merge_hooks(request_hooks, session_hooks, dict_class=OrderedDict):
+    """Properly merges both requests and session hooks.
+
+    This is necessary because when request_hooks == {'response': []}, the
+    merge breaks Session hooks entirely.
+    """
+    if session_hooks is None or session_hooks.get("response") == []:
+        return request_hooks
+
+    if request_hooks is None or request_hooks.get("response") == []:
+        return session_hooks
+
+    return merge_setting(request_hooks, session_hooks, dict_class)
+
+
+class SessionRedirectMixin:
+    def get_redirect_target(self, resp):
+        """Receives a Response. Returns a redirect URI or ``None``"""
+        # Due to the nature of how requests processes redirects this method will
+        # be called at least once upon the original response and at least twice
+        # on each subsequent redirect response (if any).
+        # If a custom mixin is used to handle this logic, it may be advantageous
+        # to cache the redirect location onto the response object as a private
+        # attribute.
+        if resp.is_redirect:
+            location = resp.headers["location"]
+            # Currently the underlying http module on py3 decode headers
+            # in latin1, but empirical evidence suggests that latin1 is very
+            # rarely used with non-ASCII characters in HTTP headers.
+            # It is more likely to get UTF8 header rather than latin1.
+            # This causes incorrect handling of UTF8 encoded location headers.
+            # To solve this, we re-encode the location in latin1.
+            location = location.encode("latin1")
+            return to_native_string(location, "utf8")
+        return None
+
+    def should_strip_auth(self, old_url, new_url):
+        """Decide whether Authorization header should be removed when redirecting"""
+        old_parsed = urlparse(old_url)
+        new_parsed = urlparse(new_url)
+        if old_parsed.hostname != new_parsed.hostname:
+            return True
+        # Special case: allow http -> https redirect when using the standard
+        # ports. This isn't specified by RFC 7235, but is kept to avoid
+        # breaking backwards compatibility with older versions of requests
+        # that allowed any redirects on the same host.
+        if (
+            old_parsed.scheme == "http"
+            and old_parsed.port in (80, None)
+            and new_parsed.scheme == "https"
+            and new_parsed.port in (443, None)
+        ):
+            return False
+
+        # Handle default port usage corresponding to scheme.
+        changed_port = old_parsed.port != new_parsed.port
+        changed_scheme = old_parsed.scheme != new_parsed.scheme
+        default_port = (DEFAULT_PORTS.get(old_parsed.scheme, None), None)
+        if (
+            not changed_scheme
+            and old_parsed.port in default_port
+            and new_parsed.port in default_port
+        ):
+            return False
+
+        # Standard case: root URI must match
+        return changed_port or changed_scheme
+
+    def resolve_redirects(
+        self,
+        resp,
+        req,
+        stream=False,
+        timeout=None,
+        verify=True,
+        cert=None,
+        proxies=None,
+        yield_requests=False,
+        **adapter_kwargs,
+    ):
+        """Receives a Response. Returns a generator of Responses or Requests."""
+
+        hist = []  # keep track of history
+
+        url = self.get_redirect_target(resp)
+        previous_fragment = urlparse(req.url).fragment
+        while url:
+            prepared_request = req.copy()
+
+            # Update history and keep track of redirects.
+            # resp.history must ignore the original request in this loop
+            hist.append(resp)
+            resp.history = hist[1:]
+
+            try:
+                resp.content  # Consume socket so it can be released
+            except (ChunkedEncodingError, ContentDecodingError, RuntimeError):
+                resp.raw.read(decode_content=False)
+
+            if len(resp.history) >= self.max_redirects:
+                raise TooManyRedirects(
+                    f"Exceeded {self.max_redirects} redirects.", response=resp
+                )
+
+            # Release the connection back into the pool.
+            resp.close()
+
+            # Handle redirection without scheme (see: RFC 1808 Section 4)
+            if url.startswith("//"):
+                parsed_rurl = urlparse(resp.url)
+                url = ":".join([to_native_string(parsed_rurl.scheme), url])
+
+            # Normalize url case and attach previous fragment if needed (RFC 7231 7.1.2)
+            parsed = urlparse(url)
+            if parsed.fragment == "" and previous_fragment:
+                parsed = parsed._replace(fragment=previous_fragment)
+            elif parsed.fragment:
+                previous_fragment = parsed.fragment
+            url = parsed.geturl()
+
+            # Facilitate relative 'location' headers, as allowed by RFC 7231.
+            # (e.g. '/path/to/resource' instead of 'http://domain.tld/path/to/resource')
+            # Compliant with RFC3986, we percent encode the url.
+            if not parsed.netloc:
+                url = urljoin(resp.url, requote_uri(url))
+            else:
+                url = requote_uri(url)
+
+            prepared_request.url = to_native_string(url)
+
+            self.rebuild_method(prepared_request, resp)
+
+            # https://github.com/psf/requests/issues/1084
+            if resp.status_code not in (
+                codes.temporary_redirect,
+                codes.permanent_redirect,
+            ):
+                # https://github.com/psf/requests/issues/3490
+                purged_headers = ("Content-Length", "Content-Type", "Transfer-Encoding")
+                for header in purged_headers:
+                    prepared_request.headers.pop(header, None)
+                prepared_request.body = None
+
+            headers = prepared_request.headers
+            headers.pop("Cookie", None)
+
+            # Extract any cookies sent on the response to the cookiejar
+            # in the new request. Because we've mutated our copied prepared
+            # request, use the old one that we haven't yet touched.
+            extract_cookies_to_jar(prepared_request._cookies, req, resp.raw)
+            merge_cookies(prepared_request._cookies, self.cookies)
+            prepared_request.prepare_cookies(prepared_request._cookies)
+
+            # Rebuild auth and proxy information.
+            proxies = self.rebuild_proxies(prepared_request, proxies)
+            self.rebuild_auth(prepared_request, resp)
+
+            # A failed tell() sets `_body_position` to `object()`. This non-None
+            # value ensures `rewindable` will be True, allowing us to raise an
+            # UnrewindableBodyError, instead of hanging the connection.
+            rewindable = prepared_request._body_position is not None and (
+                "Content-Length" in headers or "Transfer-Encoding" in headers
+            )
+
+            # Attempt to rewind consumed file-like object.
+            if rewindable:
+                rewind_body(prepared_request)
+
+            # Override the original request.
+            req = prepared_request
+
+            if yield_requests:
+                yield req
+            else:
+
+                resp = self.send(
+                    req,
+                    stream=stream,
+                    timeout=timeout,
+                    verify=verify,
+                    cert=cert,
+                    proxies=proxies,
+                    allow_redirects=False,
+                    **adapter_kwargs,
+                )
+
+                extract_cookies_to_jar(self.cookies, prepared_request, resp.raw)
+
+                # extract redirect url, if any, for the next loop
+                url = self.get_redirect_target(resp)
+                yield resp
+
+    def rebuild_auth(self, prepared_request, response):
+        """When being redirected we may want to strip authentication from the
+        request to avoid leaking credentials. This method intelligently removes
+        and reapplies authentication where possible to avoid credential loss.
+        """
+        headers = prepared_request.headers
+        url = prepared_request.url
+
+        if "Authorization" in headers and self.should_strip_auth(
+            response.request.url, url
+        ):
+            # If we get redirected to a new host, we should strip out any
+            # authentication headers.
+            del headers["Authorization"]
+
+        # .netrc might have more auth for us on our new host.
+        new_auth = get_netrc_auth(url) if self.trust_env else None
+        if new_auth is not None:
+            prepared_request.prepare_auth(new_auth)
+
+    def rebuild_proxies(self, prepared_request, proxies):
+        """This method re-evaluates the proxy configuration by considering the
+        environment variables. If we are redirected to a URL covered by
+        NO_PROXY, we strip the proxy configuration. Otherwise, we set missing
+        proxy keys for this URL (in case they were stripped by a previous
+        redirect).
+
+        This method also replaces the Proxy-Authorization header where
+        necessary.
+
+        :rtype: dict
+        """
+        headers = prepared_request.headers
+        scheme = urlparse(prepared_request.url).scheme
+        new_proxies = resolve_proxies(prepared_request, proxies, self.trust_env)
+
+        if "Proxy-Authorization" in headers:
+            del headers["Proxy-Authorization"]
+
+        try:
+            username, password = get_auth_from_url(new_proxies[scheme])
+        except KeyError:
+            username, password = None, None
+
+        # urllib3 handles proxy authorization for us in the standard adapter.
+        # Avoid appending this to TLS tunneled requests where it may be leaked.
+        if not scheme.startswith('https') and username and password:
+            headers["Proxy-Authorization"] = _basic_auth_str(username, password)
+
+        return new_proxies
+
+    def rebuild_method(self, prepared_request, response):
+        """When being redirected we may want to change the method of the request
+        based on certain specs or browser behavior.
+        """
+        method = prepared_request.method
+
+        # https://tools.ietf.org/html/rfc7231#section-6.4.4
+        if response.status_code == codes.see_other and method != "HEAD":
+            method = "GET"
+
+        # Do what the browsers do, despite standards...
+        # First, turn 302s into GETs.
+        if response.status_code == codes.found and method != "HEAD":
+            method = "GET"
+
+        # Second, if a POST is responded to with a 301, turn it into a GET.
+        # This bizarre behaviour is explained in Issue 1704.
+        if response.status_code == codes.moved and method == "POST":
+            method = "GET"
+
+        prepared_request.method = method
+
+
+class Session(SessionRedirectMixin):
+    """A Requests session.
+
+    Provides cookie persistence, connection-pooling, and configuration.
+
+    Basic Usage::
+
+      >>> import requests
+      >>> s = requests.Session()
+      >>> s.get('https://httpbin.org/get')
+      <Response [200]>
+
+    Or as a context manager::
+
+      >>> with requests.Session() as s:
+      ...     s.get('https://httpbin.org/get')
+      <Response [200]>
+    """
+
+    __attrs__ = [
+        "headers",
+        "cookies",
+        "auth",
+        "proxies",
+        "hooks",
+        "params",
+        "verify",
+        "cert",
+        "adapters",
+        "stream",
+        "trust_env",
+        "max_redirects",
+    ]
+
+    def __init__(self):
+
+        #: A case-insensitive dictionary of headers to be sent on each
+        #: :class:`Request <Request>` sent from this
+        #: :class:`Session <Session>`.
+        self.headers = default_headers()
+
+        #: Default Authentication tuple or object to attach to
+        #: :class:`Request <Request>`.
+        self.auth = None
+
+        #: Dictionary mapping protocol or protocol and host to the URL of the proxy
+        #: (e.g. {'http': 'foo.bar:3128', 'http://host.name': 'foo.bar:4012'}) to
+        #: be used on each :class:`Request <Request>`.
+        self.proxies = {}
+
+        #: Event-handling hooks.
+        self.hooks = default_hooks()
+
+        #: Dictionary of querystring data to attach to each
+        #: :class:`Request <Request>`. The dictionary values may be lists for
+        #: representing multivalued query parameters.
+        self.params = {}
+
+        #: Stream response content default.
+        self.stream = False
+
+        #: SSL Verification default.
+        #: Defaults to `True`, requiring requests to verify the TLS certificate at the
+        #: remote end.
+        #: If verify is set to `False`, requests will accept any TLS certificate
+        #: presented by the server, and will ignore hostname mismatches and/or
+        #: expired certificates, which will make your application vulnerable to
+        #: man-in-the-middle (MitM) attacks.
+        #: Only set this to `False` for testing.
+        self.verify = True
+
+        #: SSL client certificate default, if String, path to ssl client
+        #: cert file (.pem). If Tuple, ('cert', 'key') pair.
+        self.cert = None
+
+        #: Maximum number of redirects allowed. If the request exceeds this
+        #: limit, a :class:`TooManyRedirects` exception is raised.
+        #: This defaults to requests.models.DEFAULT_REDIRECT_LIMIT, which is
+        #: 30.
+        self.max_redirects = DEFAULT_REDIRECT_LIMIT
+
+        #: Trust environment settings for proxy configuration, default
+        #: authentication and similar.
+        self.trust_env = True
+
+        #: A CookieJar containing all currently outstanding cookies set on this
+        #: session. By default it is a
+        #: :class:`RequestsCookieJar <requests.cookies.RequestsCookieJar>`, but
+        #: may be any other ``cookielib.CookieJar`` compatible object.
+        self.cookies = cookiejar_from_dict({})
+
+        # Default connection adapters.
+        self.adapters = OrderedDict()
+        self.mount("https://", HTTPAdapter())
+        self.mount("http://", HTTPAdapter())
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.close()
+
+    def prepare_request(self, request):
+        """Constructs a :class:`PreparedRequest <PreparedRequest>` for
+        transmission and returns it. The :class:`PreparedRequest` has settings
+        merged from the :class:`Request <Request>` instance and those of the
+        :class:`Session`.
+
+        :param request: :class:`Request` instance to prepare with this
+            session's settings.
+        :rtype: requests.PreparedRequest
+        """
+        cookies = request.cookies or {}
+
+        # Bootstrap CookieJar.
+        if not isinstance(cookies, cookielib.CookieJar):
+            cookies = cookiejar_from_dict(cookies)
+
+        # Merge with session cookies
+        merged_cookies = merge_cookies(
+            merge_cookies(RequestsCookieJar(), self.cookies), cookies
+        )
+
+        # Set environment's basic authentication if not explicitly set.
+        auth = request.auth
+        if self.trust_env and not auth and not self.auth:
+            auth = get_netrc_auth(request.url)
+
+        p = PreparedRequest()
+        p.prepare(
+            method=request.method.upper(),
+            url=request.url,
+            files=request.files,
+            data=request.data,
+            json=request.json,
+            headers=merge_setting(
+                request.headers, self.headers, dict_class=CaseInsensitiveDict
+            ),
+            params=merge_setting(request.params, self.params),
+            auth=merge_setting(auth, self.auth),
+            cookies=merged_cookies,
+            hooks=merge_hooks(request.hooks, self.hooks),
+        )
+        return p
+
+    def request(
+        self,
+        method,
+        url,
+        params=None,
+        data=None,
+        headers=None,
+        cookies=None,
+        files=None,
+        auth=None,
+        timeout=None,
+        allow_redirects=True,
+        proxies=None,
+        hooks=None,
+        stream=None,
+        verify=None,
+        cert=None,
+        json=None,
+    ):
+        """Constructs a :class:`Request <Request>`, prepares it and sends it.
+        Returns :class:`Response <Response>` object.
+
+        :param method: method for the new :class:`Request` object.
+        :param url: URL for the new :class:`Request` object.
+        :param params: (optional) Dictionary or bytes to be sent in the query
+            string for the :class:`Request`.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param json: (optional) json to send in the body of the
+            :class:`Request`.
+        :param headers: (optional) Dictionary of HTTP Headers to send with the
+            :class:`Request`.
+        :param cookies: (optional) Dict or CookieJar object to send with the
+            :class:`Request`.
+        :param files: (optional) Dictionary of ``'filename': file-like-objects``
+            for multipart encoding upload.
+        :param auth: (optional) Auth tuple or callable to enable
+            Basic/Digest/Custom HTTP Auth.
+        :param timeout: (optional) How long to wait for the server to send
+            data before giving up, as a float, or a :ref:`(connect timeout,
+            read timeout) <timeouts>` tuple.
+        :type timeout: float or tuple
+        :param allow_redirects: (optional) Set to True by default.
+        :type allow_redirects: bool
+        :param proxies: (optional) Dictionary mapping protocol or protocol and
+            hostname to the URL of the proxy.
+        :param stream: (optional) whether to immediately download the response
+            content. Defaults to ``False``.
+        :param verify: (optional) Either a boolean, in which case it controls whether we verify
+            the server's TLS certificate, or a string, in which case it must be a path
+            to a CA bundle to use. Defaults to ``True``. When set to
+            ``False``, requests will accept any TLS certificate presented by
+            the server, and will ignore hostname mismatches and/or expired
+            certificates, which will make your application vulnerable to
+            man-in-the-middle (MitM) attacks. Setting verify to ``False``
+            may be useful during local development or testing.
+        :param cert: (optional) if String, path to ssl client cert file (.pem).
+            If Tuple, ('cert', 'key') pair.
+        :rtype: requests.Response
+        """
+        # Create the Request.
+        req = Request(
+            method=method.upper(),
+            url=url,
+            headers=headers,
+            files=files,
+            data=data or {},
+            json=json,
+            params=params or {},
+            auth=auth,
+            cookies=cookies,
+            hooks=hooks,
+        )
+        prep = self.prepare_request(req)
+
+        proxies = proxies or {}
+
+        settings = self.merge_environment_settings(
+            prep.url, proxies, stream, verify, cert
+        )
+
+        # Send the request.
+        send_kwargs = {
+            "timeout": timeout,
+            "allow_redirects": allow_redirects,
+        }
+        send_kwargs.update(settings)
+        resp = self.send(prep, **send_kwargs)
+
+        return resp
+
+    def get(self, url, **kwargs):
+        r"""Sends a GET request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        kwargs.setdefault("allow_redirects", True)
+        return self.request("GET", url, **kwargs)
+
+    def options(self, url, **kwargs):
+        r"""Sends a OPTIONS request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        kwargs.setdefault("allow_redirects", True)
+        return self.request("OPTIONS", url, **kwargs)
+
+    def head(self, url, **kwargs):
+        r"""Sends a HEAD request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        kwargs.setdefault("allow_redirects", False)
+        return self.request("HEAD", url, **kwargs)
+
+    def post(self, url, data=None, json=None, **kwargs):
+        r"""Sends a POST request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param json: (optional) json to send in the body of the :class:`Request`.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request("POST", url, data=data, json=json, **kwargs)
+
+    def put(self, url, data=None, **kwargs):
+        r"""Sends a PUT request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request("PUT", url, data=data, **kwargs)
+
+    def patch(self, url, data=None, **kwargs):
+        r"""Sends a PATCH request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param data: (optional) Dictionary, list of tuples, bytes, or file-like
+            object to send in the body of the :class:`Request`.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request("PATCH", url, data=data, **kwargs)
+
+    def delete(self, url, **kwargs):
+        r"""Sends a DELETE request. Returns :class:`Response` object.
+
+        :param url: URL for the new :class:`Request` object.
+        :param \*\*kwargs: Optional arguments that ``request`` takes.
+        :rtype: requests.Response
+        """
+
+        return self.request("DELETE", url, **kwargs)
+
+    def send(self, request, **kwargs):
+        """Send a given PreparedRequest.
+
+        :rtype: requests.Response
+        """
+        # Set defaults that the hooks can utilize to ensure they always have
+        # the correct parameters to reproduce the previous request.
+        kwargs.setdefault("stream", self.stream)
+        kwargs.setdefault("verify", self.verify)
+        kwargs.setdefault("cert", self.cert)
+        if "proxies" not in kwargs:
+            kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env)
+
+        # It's possible that users might accidentally send a Request object.
+        # Guard against that specific failure case.
+        if isinstance(request, Request):
+            raise ValueError("You can only send PreparedRequests.")
+
+        # Set up variables needed for resolve_redirects and dispatching of hooks
+        allow_redirects = kwargs.pop("allow_redirects", True)
+        stream = kwargs.get("stream")
+        hooks = request.hooks
+
+        # Get the appropriate adapter to use
+        adapter = self.get_adapter(url=request.url)
+
+        # Start time (approximately) of the request
+        start = preferred_clock()
+
+        # Send the request
+        r = adapter.send(request, **kwargs)
+
+        # Total elapsed time of the request (approximately)
+        elapsed = preferred_clock() - start
+        r.elapsed = timedelta(seconds=elapsed)
+
+        # Response manipulation hooks
+        r = dispatch_hook("response", hooks, r, **kwargs)
+
+        # Persist cookies
+        if r.history:
+
+            # If the hooks create history then we want those cookies too
+            for resp in r.history:
+                extract_cookies_to_jar(self.cookies, resp.request, resp.raw)
+
+        extract_cookies_to_jar(self.cookies, request, r.raw)
+
+        # Resolve redirects if allowed.
+        if allow_redirects:
+            # Redirect resolving generator.
+            gen = self.resolve_redirects(r, request, **kwargs)
+            history = [resp for resp in gen]
+        else:
+            history = []
+
+        # Shuffle things around if there's history.
+        if history:
+            # Insert the first (original) request at the start
+            history.insert(0, r)
+            # Get the last request made
+            r = history.pop()
+            r.history = history
+
+        # If redirects aren't being followed, store the response on the Request for Response.next().
+        if not allow_redirects:
+            try:
+                r._next = next(
+                    self.resolve_redirects(r, request, yield_requests=True, **kwargs)
+                )
+            except StopIteration:
+                pass
+
+        if not stream:
+            r.content
+
+        return r
+
+    def merge_environment_settings(self, url, proxies, stream, verify, cert):
+        """
+        Check the environment and merge it with some settings.
+
+        :rtype: dict
+        """
+        # Gather clues from the surrounding environment.
+        if self.trust_env:
+            # Set environment's proxies.
+            no_proxy = proxies.get("no_proxy") if proxies is not None else None
+            env_proxies = get_environ_proxies(url, no_proxy=no_proxy)
+            for (k, v) in env_proxies.items():
+                proxies.setdefault(k, v)
+
+            # Look for requests environment configuration
+            # and be compatible with cURL.
+            if verify is True or verify is None:
+                verify = (
+                    os.environ.get("REQUESTS_CA_BUNDLE")
+                    or os.environ.get("CURL_CA_BUNDLE")
+                    or verify
+                )
+
+        # Merge all the kwargs.
+        proxies = merge_setting(proxies, self.proxies)
+        stream = merge_setting(stream, self.stream)
+        verify = merge_setting(verify, self.verify)
+        cert = merge_setting(cert, self.cert)
+
+        return {"proxies": proxies, "stream": stream, "verify": verify, "cert": cert}
+
+    def get_adapter(self, url):
+        """
+        Returns the appropriate connection adapter for the given URL.
+
+        :rtype: requests.adapters.BaseAdapter
+        """
+        for (prefix, adapter) in self.adapters.items():
+
+            if url.lower().startswith(prefix.lower()):
+                return adapter
+
+        # Nothing matches :-/
+        raise InvalidSchema(f"No connection adapters were found for {url!r}")
+
+    def close(self):
+        """Closes all adapters and as such the session"""
+        for v in self.adapters.values():
+            v.close()
+
+    def mount(self, prefix, adapter):
+        """Registers a connection adapter to a prefix.
+
+        Adapters are sorted in descending order by prefix length.
+        """
+        self.adapters[prefix] = adapter
+        keys_to_move = [k for k in self.adapters if len(k) < len(prefix)]
+
+        for key in keys_to_move:
+            self.adapters[key] = self.adapters.pop(key)
+
+    def __getstate__(self):
+        state = {attr: getattr(self, attr, None) for attr in self.__attrs__}
+        return state
+
+    def __setstate__(self, state):
+        for attr, value in state.items():
+            setattr(self, attr, value)
+
+
+def session():
+    """
+    Returns a :class:`Session` for context-management.
+
+    .. deprecated:: 1.0.0
+
+        This method has been deprecated since version 1.0.0 and is only kept for
+        backwards compatibility. New code should use :class:`~requests.sessions.Session`
+        to create a session. This may be removed at a future date.
+
+    :rtype: Session
+    """
+    return Session()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/status_codes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/status_codes.py
new file mode 100644
index 00000000..4bd072be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/status_codes.py
@@ -0,0 +1,128 @@
+r"""
+The ``codes`` object defines a mapping from common names for HTTP statuses
+to their numerical codes, accessible either as attributes or as dictionary
+items.
+
+Example::
+
+    >>> import requests
+    >>> requests.codes['temporary_redirect']
+    307
+    >>> requests.codes.teapot
+    418
+    >>> requests.codes['\o/']
+    200
+
+Some codes have multiple names, and both upper- and lower-case versions of
+the names are allowed. For example, ``codes.ok``, ``codes.OK``, and
+``codes.okay`` all correspond to the HTTP status code 200.
+"""
+
+from .structures import LookupDict
+
+_codes = {
+    # Informational.
+    100: ("continue",),
+    101: ("switching_protocols",),
+    102: ("processing",),
+    103: ("checkpoint",),
+    122: ("uri_too_long", "request_uri_too_long"),
+    200: ("ok", "okay", "all_ok", "all_okay", "all_good", "\\o/", "✓"),
+    201: ("created",),
+    202: ("accepted",),
+    203: ("non_authoritative_info", "non_authoritative_information"),
+    204: ("no_content",),
+    205: ("reset_content", "reset"),
+    206: ("partial_content", "partial"),
+    207: ("multi_status", "multiple_status", "multi_stati", "multiple_stati"),
+    208: ("already_reported",),
+    226: ("im_used",),
+    # Redirection.
+    300: ("multiple_choices",),
+    301: ("moved_permanently", "moved", "\\o-"),
+    302: ("found",),
+    303: ("see_other", "other"),
+    304: ("not_modified",),
+    305: ("use_proxy",),
+    306: ("switch_proxy",),
+    307: ("temporary_redirect", "temporary_moved", "temporary"),
+    308: (
+        "permanent_redirect",
+        "resume_incomplete",
+        "resume",
+    ),  # "resume" and "resume_incomplete" to be removed in 3.0
+    # Client Error.
+    400: ("bad_request", "bad"),
+    401: ("unauthorized",),
+    402: ("payment_required", "payment"),
+    403: ("forbidden",),
+    404: ("not_found", "-o-"),
+    405: ("method_not_allowed", "not_allowed"),
+    406: ("not_acceptable",),
+    407: ("proxy_authentication_required", "proxy_auth", "proxy_authentication"),
+    408: ("request_timeout", "timeout"),
+    409: ("conflict",),
+    410: ("gone",),
+    411: ("length_required",),
+    412: ("precondition_failed", "precondition"),
+    413: ("request_entity_too_large",),
+    414: ("request_uri_too_large",),
+    415: ("unsupported_media_type", "unsupported_media", "media_type"),
+    416: (
+        "requested_range_not_satisfiable",
+        "requested_range",
+        "range_not_satisfiable",
+    ),
+    417: ("expectation_failed",),
+    418: ("im_a_teapot", "teapot", "i_am_a_teapot"),
+    421: ("misdirected_request",),
+    422: ("unprocessable_entity", "unprocessable"),
+    423: ("locked",),
+    424: ("failed_dependency", "dependency"),
+    425: ("unordered_collection", "unordered"),
+    426: ("upgrade_required", "upgrade"),
+    428: ("precondition_required", "precondition"),
+    429: ("too_many_requests", "too_many"),
+    431: ("header_fields_too_large", "fields_too_large"),
+    444: ("no_response", "none"),
+    449: ("retry_with", "retry"),
+    450: ("blocked_by_windows_parental_controls", "parental_controls"),
+    451: ("unavailable_for_legal_reasons", "legal_reasons"),
+    499: ("client_closed_request",),
+    # Server Error.
+    500: ("internal_server_error", "server_error", "/o\\", "✗"),
+    501: ("not_implemented",),
+    502: ("bad_gateway",),
+    503: ("service_unavailable", "unavailable"),
+    504: ("gateway_timeout",),
+    505: ("http_version_not_supported", "http_version"),
+    506: ("variant_also_negotiates",),
+    507: ("insufficient_storage",),
+    509: ("bandwidth_limit_exceeded", "bandwidth"),
+    510: ("not_extended",),
+    511: ("network_authentication_required", "network_auth", "network_authentication"),
+}
+
+codes = LookupDict(name="status_codes")
+
+
+def _init():
+    for code, titles in _codes.items():
+        for title in titles:
+            setattr(codes, title, code)
+            if not title.startswith(("\\", "/")):
+                setattr(codes, title.upper(), code)
+
+    def doc(code):
+        names = ", ".join(f"``{n}``" for n in _codes[code])
+        return "* %d: %s" % (code, names)
+
+    global __doc__
+    __doc__ = (
+        __doc__ + "\n" + "\n".join(doc(code) for code in sorted(_codes))
+        if __doc__ is not None
+        else None
+    )
+
+
+_init()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/structures.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/structures.py
new file mode 100644
index 00000000..188e13e4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/structures.py
@@ -0,0 +1,99 @@
+"""
+requests.structures
+~~~~~~~~~~~~~~~~~~~
+
+Data structures that power Requests.
+"""
+
+from collections import OrderedDict
+
+from .compat import Mapping, MutableMapping
+
+
+class CaseInsensitiveDict(MutableMapping):
+    """A case-insensitive ``dict``-like object.
+
+    Implements all methods and operations of
+    ``MutableMapping`` as well as dict's ``copy``. Also
+    provides ``lower_items``.
+
+    All keys are expected to be strings. The structure remembers the
+    case of the last key to be set, and ``iter(instance)``,
+    ``keys()``, ``items()``, ``iterkeys()``, and ``iteritems()``
+    will contain case-sensitive keys. However, querying and contains
+    testing is case insensitive::
+
+        cid = CaseInsensitiveDict()
+        cid['Accept'] = 'application/json'
+        cid['aCCEPT'] == 'application/json'  # True
+        list(cid) == ['Accept']  # True
+
+    For example, ``headers['content-encoding']`` will return the
+    value of a ``'Content-Encoding'`` response header, regardless
+    of how the header name was originally stored.
+
+    If the constructor, ``.update``, or equality comparison
+    operations are given keys that have equal ``.lower()``s, the
+    behavior is undefined.
+    """
+
+    def __init__(self, data=None, **kwargs):
+        self._store = OrderedDict()
+        if data is None:
+            data = {}
+        self.update(data, **kwargs)
+
+    def __setitem__(self, key, value):
+        # Use the lowercased key for lookups, but store the actual
+        # key alongside the value.
+        self._store[key.lower()] = (key, value)
+
+    def __getitem__(self, key):
+        return self._store[key.lower()][1]
+
+    def __delitem__(self, key):
+        del self._store[key.lower()]
+
+    def __iter__(self):
+        return (casedkey for casedkey, mappedvalue in self._store.values())
+
+    def __len__(self):
+        return len(self._store)
+
+    def lower_items(self):
+        """Like iteritems(), but with all lowercase keys."""
+        return ((lowerkey, keyval[1]) for (lowerkey, keyval) in self._store.items())
+
+    def __eq__(self, other):
+        if isinstance(other, Mapping):
+            other = CaseInsensitiveDict(other)
+        else:
+            return NotImplemented
+        # Compare insensitively
+        return dict(self.lower_items()) == dict(other.lower_items())
+
+    # Copy is required
+    def copy(self):
+        return CaseInsensitiveDict(self._store.values())
+
+    def __repr__(self):
+        return str(dict(self.items()))
+
+
+class LookupDict(dict):
+    """Dictionary lookup object."""
+
+    def __init__(self, name=None):
+        self.name = name
+        super().__init__()
+
+    def __repr__(self):
+        return f"<lookup '{self.name}'>"
+
+    def __getitem__(self, key):
+        # We allow fall-through here, so values default to None
+
+        return self.__dict__.get(key, None)
+
+    def get(self, key, default=None):
+        return self.__dict__.get(key, default)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/utils.py
new file mode 100644
index 00000000..36607eda
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/requests/utils.py
@@ -0,0 +1,1094 @@
+"""
+requests.utils
+~~~~~~~~~~~~~~
+
+This module provides utility functions that are used within Requests
+that are also useful for external consumption.
+"""
+
+import codecs
+import contextlib
+import io
+import os
+import re
+import socket
+import struct
+import sys
+import tempfile
+import warnings
+import zipfile
+from collections import OrderedDict
+
+from pip._vendor.urllib3.util import make_headers, parse_url
+
+from . import certs
+from .__version__ import __version__
+
+# to_native_string is unused here, but imported here for backwards compatibility
+from ._internal_utils import (  # noqa: F401
+    _HEADER_VALIDATORS_BYTE,
+    _HEADER_VALIDATORS_STR,
+    HEADER_VALIDATORS,
+    to_native_string,
+)
+from .compat import (
+    Mapping,
+    basestring,
+    bytes,
+    getproxies,
+    getproxies_environment,
+    integer_types,
+)
+from .compat import parse_http_list as _parse_list_header
+from .compat import (
+    proxy_bypass,
+    proxy_bypass_environment,
+    quote,
+    str,
+    unquote,
+    urlparse,
+    urlunparse,
+)
+from .cookies import cookiejar_from_dict
+from .exceptions import (
+    FileModeWarning,
+    InvalidHeader,
+    InvalidURL,
+    UnrewindableBodyError,
+)
+from .structures import CaseInsensitiveDict
+
+NETRC_FILES = (".netrc", "_netrc")
+
+DEFAULT_CA_BUNDLE_PATH = certs.where()
+
+DEFAULT_PORTS = {"http": 80, "https": 443}
+
+# Ensure that ', ' is used to preserve previous delimiter behavior.
+DEFAULT_ACCEPT_ENCODING = ", ".join(
+    re.split(r",\s*", make_headers(accept_encoding=True)["accept-encoding"])
+)
+
+
+if sys.platform == "win32":
+    # provide a proxy_bypass version on Windows without DNS lookups
+
+    def proxy_bypass_registry(host):
+        try:
+            import winreg
+        except ImportError:
+            return False
+
+        try:
+            internetSettings = winreg.OpenKey(
+                winreg.HKEY_CURRENT_USER,
+                r"Software\Microsoft\Windows\CurrentVersion\Internet Settings",
+            )
+            # ProxyEnable could be REG_SZ or REG_DWORD, normalizing it
+            proxyEnable = int(winreg.QueryValueEx(internetSettings, "ProxyEnable")[0])
+            # ProxyOverride is almost always a string
+            proxyOverride = winreg.QueryValueEx(internetSettings, "ProxyOverride")[0]
+        except (OSError, ValueError):
+            return False
+        if not proxyEnable or not proxyOverride:
+            return False
+
+        # make a check value list from the registry entry: replace the
+        # '<local>' string by the localhost entry and the corresponding
+        # canonical entry.
+        proxyOverride = proxyOverride.split(";")
+        # now check if we match one of the registry values.
+        for test in proxyOverride:
+            if test == "<local>":
+                if "." not in host:
+                    return True
+            test = test.replace(".", r"\.")  # mask dots
+            test = test.replace("*", r".*")  # change glob sequence
+            test = test.replace("?", r".")  # change glob char
+            if re.match(test, host, re.I):
+                return True
+        return False
+
+    def proxy_bypass(host):  # noqa
+        """Return True, if the host should be bypassed.
+
+        Checks proxy settings gathered from the environment, if specified,
+        or the registry.
+        """
+        if getproxies_environment():
+            return proxy_bypass_environment(host)
+        else:
+            return proxy_bypass_registry(host)
+
+
+def dict_to_sequence(d):
+    """Returns an internal sequence dictionary update."""
+
+    if hasattr(d, "items"):
+        d = d.items()
+
+    return d
+
+
+def super_len(o):
+    total_length = None
+    current_position = 0
+
+    if hasattr(o, "__len__"):
+        total_length = len(o)
+
+    elif hasattr(o, "len"):
+        total_length = o.len
+
+    elif hasattr(o, "fileno"):
+        try:
+            fileno = o.fileno()
+        except (io.UnsupportedOperation, AttributeError):
+            # AttributeError is a surprising exception, seeing as how we've just checked
+            # that `hasattr(o, 'fileno')`.  It happens for objects obtained via
+            # `Tarfile.extractfile()`, per issue 5229.
+            pass
+        else:
+            total_length = os.fstat(fileno).st_size
+
+            # Having used fstat to determine the file length, we need to
+            # confirm that this file was opened up in binary mode.
+            if "b" not in o.mode:
+                warnings.warn(
+                    (
+                        "Requests has determined the content-length for this "
+                        "request using the binary size of the file: however, the "
+                        "file has been opened in text mode (i.e. without the 'b' "
+                        "flag in the mode). This may lead to an incorrect "
+                        "content-length. In Requests 3.0, support will be removed "
+                        "for files in text mode."
+                    ),
+                    FileModeWarning,
+                )
+
+    if hasattr(o, "tell"):
+        try:
+            current_position = o.tell()
+        except OSError:
+            # This can happen in some weird situations, such as when the file
+            # is actually a special file descriptor like stdin. In this
+            # instance, we don't know what the length is, so set it to zero and
+            # let requests chunk it instead.
+            if total_length is not None:
+                current_position = total_length
+        else:
+            if hasattr(o, "seek") and total_length is None:
+                # StringIO and BytesIO have seek but no usable fileno
+                try:
+                    # seek to end of file
+                    o.seek(0, 2)
+                    total_length = o.tell()
+
+                    # seek back to current position to support
+                    # partially read file-like objects
+                    o.seek(current_position or 0)
+                except OSError:
+                    total_length = 0
+
+    if total_length is None:
+        total_length = 0
+
+    return max(0, total_length - current_position)
+
+
+def get_netrc_auth(url, raise_errors=False):
+    """Returns the Requests tuple auth for a given url from netrc."""
+
+    netrc_file = os.environ.get("NETRC")
+    if netrc_file is not None:
+        netrc_locations = (netrc_file,)
+    else:
+        netrc_locations = (f"~/{f}" for f in NETRC_FILES)
+
+    try:
+        from netrc import NetrcParseError, netrc
+
+        netrc_path = None
+
+        for f in netrc_locations:
+            try:
+                loc = os.path.expanduser(f)
+            except KeyError:
+                # os.path.expanduser can fail when $HOME is undefined and
+                # getpwuid fails. See https://bugs.python.org/issue20164 &
+                # https://github.com/psf/requests/issues/1846
+                return
+
+            if os.path.exists(loc):
+                netrc_path = loc
+                break
+
+        # Abort early if there isn't one.
+        if netrc_path is None:
+            return
+
+        ri = urlparse(url)
+
+        # Strip port numbers from netloc. This weird `if...encode`` dance is
+        # used for Python 3.2, which doesn't support unicode literals.
+        splitstr = b":"
+        if isinstance(url, str):
+            splitstr = splitstr.decode("ascii")
+        host = ri.netloc.split(splitstr)[0]
+
+        try:
+            _netrc = netrc(netrc_path).authenticators(host)
+            if _netrc:
+                # Return with login / password
+                login_i = 0 if _netrc[0] else 1
+                return (_netrc[login_i], _netrc[2])
+        except (NetrcParseError, OSError):
+            # If there was a parsing error or a permissions issue reading the file,
+            # we'll just skip netrc auth unless explicitly asked to raise errors.
+            if raise_errors:
+                raise
+
+    # App Engine hackiness.
+    except (ImportError, AttributeError):
+        pass
+
+
+def guess_filename(obj):
+    """Tries to guess the filename of the given object."""
+    name = getattr(obj, "name", None)
+    if name and isinstance(name, basestring) and name[0] != "<" and name[-1] != ">":
+        return os.path.basename(name)
+
+
+def extract_zipped_paths(path):
+    """Replace nonexistent paths that look like they refer to a member of a zip
+    archive with the location of an extracted copy of the target, or else
+    just return the provided path unchanged.
+    """
+    if os.path.exists(path):
+        # this is already a valid path, no need to do anything further
+        return path
+
+    # find the first valid part of the provided path and treat that as a zip archive
+    # assume the rest of the path is the name of a member in the archive
+    archive, member = os.path.split(path)
+    while archive and not os.path.exists(archive):
+        archive, prefix = os.path.split(archive)
+        if not prefix:
+            # If we don't check for an empty prefix after the split (in other words, archive remains unchanged after the split),
+            # we _can_ end up in an infinite loop on a rare corner case affecting a small number of users
+            break
+        member = "/".join([prefix, member])
+
+    if not zipfile.is_zipfile(archive):
+        return path
+
+    zip_file = zipfile.ZipFile(archive)
+    if member not in zip_file.namelist():
+        return path
+
+    # we have a valid zip archive and a valid member of that archive
+    tmp = tempfile.gettempdir()
+    extracted_path = os.path.join(tmp, member.split("/")[-1])
+    if not os.path.exists(extracted_path):
+        # use read + write to avoid the creating nested folders, we only want the file, avoids mkdir racing condition
+        with atomic_open(extracted_path) as file_handler:
+            file_handler.write(zip_file.read(member))
+    return extracted_path
+
+
+@contextlib.contextmanager
+def atomic_open(filename):
+    """Write a file to the disk in an atomic fashion"""
+    tmp_descriptor, tmp_name = tempfile.mkstemp(dir=os.path.dirname(filename))
+    try:
+        with os.fdopen(tmp_descriptor, "wb") as tmp_handler:
+            yield tmp_handler
+        os.replace(tmp_name, filename)
+    except BaseException:
+        os.remove(tmp_name)
+        raise
+
+
+def from_key_val_list(value):
+    """Take an object and test to see if it can be represented as a
+    dictionary. Unless it can not be represented as such, return an
+    OrderedDict, e.g.,
+
+    ::
+
+        >>> from_key_val_list([('key', 'val')])
+        OrderedDict([('key', 'val')])
+        >>> from_key_val_list('string')
+        Traceback (most recent call last):
+        ...
+        ValueError: cannot encode objects that are not 2-tuples
+        >>> from_key_val_list({'key': 'val'})
+        OrderedDict([('key', 'val')])
+
+    :rtype: OrderedDict
+    """
+    if value is None:
+        return None
+
+    if isinstance(value, (str, bytes, bool, int)):
+        raise ValueError("cannot encode objects that are not 2-tuples")
+
+    return OrderedDict(value)
+
+
+def to_key_val_list(value):
+    """Take an object and test to see if it can be represented as a
+    dictionary. If it can be, return a list of tuples, e.g.,
+
+    ::
+
+        >>> to_key_val_list([('key', 'val')])
+        [('key', 'val')]
+        >>> to_key_val_list({'key': 'val'})
+        [('key', 'val')]
+        >>> to_key_val_list('string')
+        Traceback (most recent call last):
+        ...
+        ValueError: cannot encode objects that are not 2-tuples
+
+    :rtype: list
+    """
+    if value is None:
+        return None
+
+    if isinstance(value, (str, bytes, bool, int)):
+        raise ValueError("cannot encode objects that are not 2-tuples")
+
+    if isinstance(value, Mapping):
+        value = value.items()
+
+    return list(value)
+
+
+# From mitsuhiko/werkzeug (used with permission).
+def parse_list_header(value):
+    """Parse lists as described by RFC 2068 Section 2.
+
+    In particular, parse comma-separated lists where the elements of
+    the list may include quoted-strings.  A quoted-string could
+    contain a comma.  A non-quoted string could have quotes in the
+    middle.  Quotes are removed automatically after parsing.
+
+    It basically works like :func:`parse_set_header` just that items
+    may appear multiple times and case sensitivity is preserved.
+
+    The return value is a standard :class:`list`:
+
+    >>> parse_list_header('token, "quoted value"')
+    ['token', 'quoted value']
+
+    To create a header from the :class:`list` again, use the
+    :func:`dump_header` function.
+
+    :param value: a string with a list header.
+    :return: :class:`list`
+    :rtype: list
+    """
+    result = []
+    for item in _parse_list_header(value):
+        if item[:1] == item[-1:] == '"':
+            item = unquote_header_value(item[1:-1])
+        result.append(item)
+    return result
+
+
+# From mitsuhiko/werkzeug (used with permission).
+def parse_dict_header(value):
+    """Parse lists of key, value pairs as described by RFC 2068 Section 2 and
+    convert them into a python dict:
+
+    >>> d = parse_dict_header('foo="is a fish", bar="as well"')
+    >>> type(d) is dict
+    True
+    >>> sorted(d.items())
+    [('bar', 'as well'), ('foo', 'is a fish')]
+
+    If there is no value for a key it will be `None`:
+
+    >>> parse_dict_header('key_without_value')
+    {'key_without_value': None}
+
+    To create a header from the :class:`dict` again, use the
+    :func:`dump_header` function.
+
+    :param value: a string with a dict header.
+    :return: :class:`dict`
+    :rtype: dict
+    """
+    result = {}
+    for item in _parse_list_header(value):
+        if "=" not in item:
+            result[item] = None
+            continue
+        name, value = item.split("=", 1)
+        if value[:1] == value[-1:] == '"':
+            value = unquote_header_value(value[1:-1])
+        result[name] = value
+    return result
+
+
+# From mitsuhiko/werkzeug (used with permission).
+def unquote_header_value(value, is_filename=False):
+    r"""Unquotes a header value.  (Reversal of :func:`quote_header_value`).
+    This does not use the real unquoting but what browsers are actually
+    using for quoting.
+
+    :param value: the header value to unquote.
+    :rtype: str
+    """
+    if value and value[0] == value[-1] == '"':
+        # this is not the real unquoting, but fixing this so that the
+        # RFC is met will result in bugs with internet explorer and
+        # probably some other browsers as well.  IE for example is
+        # uploading files with "C:\foo\bar.txt" as filename
+        value = value[1:-1]
+
+        # if this is a filename and the starting characters look like
+        # a UNC path, then just return the value without quotes.  Using the
+        # replace sequence below on a UNC path has the effect of turning
+        # the leading double slash into a single slash and then
+        # _fix_ie_filename() doesn't work correctly.  See #458.
+        if not is_filename or value[:2] != "\\\\":
+            return value.replace("\\\\", "\\").replace('\\"', '"')
+    return value
+
+
+def dict_from_cookiejar(cj):
+    """Returns a key/value dictionary from a CookieJar.
+
+    :param cj: CookieJar object to extract cookies from.
+    :rtype: dict
+    """
+
+    cookie_dict = {}
+
+    for cookie in cj:
+        cookie_dict[cookie.name] = cookie.value
+
+    return cookie_dict
+
+
+def add_dict_to_cookiejar(cj, cookie_dict):
+    """Returns a CookieJar from a key/value dictionary.
+
+    :param cj: CookieJar to insert cookies into.
+    :param cookie_dict: Dict of key/values to insert into CookieJar.
+    :rtype: CookieJar
+    """
+
+    return cookiejar_from_dict(cookie_dict, cj)
+
+
+def get_encodings_from_content(content):
+    """Returns encodings from given content string.
+
+    :param content: bytestring to extract encodings from.
+    """
+    warnings.warn(
+        (
+            "In requests 3.0, get_encodings_from_content will be removed. For "
+            "more information, please see the discussion on issue #2266. (This"
+            " warning should only appear once.)"
+        ),
+        DeprecationWarning,
+    )
+
+    charset_re = re.compile(r'<meta.*?charset=["\']*(.+?)["\'>]', flags=re.I)
+    pragma_re = re.compile(r'<meta.*?content=["\']*;?charset=(.+?)["\'>]', flags=re.I)
+    xml_re = re.compile(r'^<\?xml.*?encoding=["\']*(.+?)["\'>]')
+
+    return (
+        charset_re.findall(content)
+        + pragma_re.findall(content)
+        + xml_re.findall(content)
+    )
+
+
+def _parse_content_type_header(header):
+    """Returns content type and parameters from given header
+
+    :param header: string
+    :return: tuple containing content type and dictionary of
+         parameters
+    """
+
+    tokens = header.split(";")
+    content_type, params = tokens[0].strip(), tokens[1:]
+    params_dict = {}
+    items_to_strip = "\"' "
+
+    for param in params:
+        param = param.strip()
+        if param:
+            key, value = param, True
+            index_of_equals = param.find("=")
+            if index_of_equals != -1:
+                key = param[:index_of_equals].strip(items_to_strip)
+                value = param[index_of_equals + 1 :].strip(items_to_strip)
+            params_dict[key.lower()] = value
+    return content_type, params_dict
+
+
+def get_encoding_from_headers(headers):
+    """Returns encodings from given HTTP Header Dict.
+
+    :param headers: dictionary to extract encoding from.
+    :rtype: str
+    """
+
+    content_type = headers.get("content-type")
+
+    if not content_type:
+        return None
+
+    content_type, params = _parse_content_type_header(content_type)
+
+    if "charset" in params:
+        return params["charset"].strip("'\"")
+
+    if "text" in content_type:
+        return "ISO-8859-1"
+
+    if "application/json" in content_type:
+        # Assume UTF-8 based on RFC 4627: https://www.ietf.org/rfc/rfc4627.txt since the charset was unset
+        return "utf-8"
+
+
+def stream_decode_response_unicode(iterator, r):
+    """Stream decodes an iterator."""
+
+    if r.encoding is None:
+        yield from iterator
+        return
+
+    decoder = codecs.getincrementaldecoder(r.encoding)(errors="replace")
+    for chunk in iterator:
+        rv = decoder.decode(chunk)
+        if rv:
+            yield rv
+    rv = decoder.decode(b"", final=True)
+    if rv:
+        yield rv
+
+
+def iter_slices(string, slice_length):
+    """Iterate over slices of a string."""
+    pos = 0
+    if slice_length is None or slice_length <= 0:
+        slice_length = len(string)
+    while pos < len(string):
+        yield string[pos : pos + slice_length]
+        pos += slice_length
+
+
+def get_unicode_from_response(r):
+    """Returns the requested content back in unicode.
+
+    :param r: Response object to get unicode content from.
+
+    Tried:
+
+    1. charset from content-type
+    2. fall back and replace all unicode characters
+
+    :rtype: str
+    """
+    warnings.warn(
+        (
+            "In requests 3.0, get_unicode_from_response will be removed. For "
+            "more information, please see the discussion on issue #2266. (This"
+            " warning should only appear once.)"
+        ),
+        DeprecationWarning,
+    )
+
+    tried_encodings = []
+
+    # Try charset from content-type
+    encoding = get_encoding_from_headers(r.headers)
+
+    if encoding:
+        try:
+            return str(r.content, encoding)
+        except UnicodeError:
+            tried_encodings.append(encoding)
+
+    # Fall back:
+    try:
+        return str(r.content, encoding, errors="replace")
+    except TypeError:
+        return r.content
+
+
+# The unreserved URI characters (RFC 3986)
+UNRESERVED_SET = frozenset(
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" + "0123456789-._~"
+)
+
+
+def unquote_unreserved(uri):
+    """Un-escape any percent-escape sequences in a URI that are unreserved
+    characters. This leaves all reserved, illegal and non-ASCII bytes encoded.
+
+    :rtype: str
+    """
+    parts = uri.split("%")
+    for i in range(1, len(parts)):
+        h = parts[i][0:2]
+        if len(h) == 2 and h.isalnum():
+            try:
+                c = chr(int(h, 16))
+            except ValueError:
+                raise InvalidURL(f"Invalid percent-escape sequence: '{h}'")
+
+            if c in UNRESERVED_SET:
+                parts[i] = c + parts[i][2:]
+            else:
+                parts[i] = f"%{parts[i]}"
+        else:
+            parts[i] = f"%{parts[i]}"
+    return "".join(parts)
+
+
+def requote_uri(uri):
+    """Re-quote the given URI.
+
+    This function passes the given URI through an unquote/quote cycle to
+    ensure that it is fully and consistently quoted.
+
+    :rtype: str
+    """
+    safe_with_percent = "!#$%&'()*+,/:;=?@[]~"
+    safe_without_percent = "!#$&'()*+,/:;=?@[]~"
+    try:
+        # Unquote only the unreserved characters
+        # Then quote only illegal characters (do not quote reserved,
+        # unreserved, or '%')
+        return quote(unquote_unreserved(uri), safe=safe_with_percent)
+    except InvalidURL:
+        # We couldn't unquote the given URI, so let's try quoting it, but
+        # there may be unquoted '%'s in the URI. We need to make sure they're
+        # properly quoted so they do not cause issues elsewhere.
+        return quote(uri, safe=safe_without_percent)
+
+
+def address_in_network(ip, net):
+    """This function allows you to check if an IP belongs to a network subnet
+
+    Example: returns True if ip = 192.168.1.1 and net = 192.168.1.0/24
+             returns False if ip = 192.168.1.1 and net = 192.168.100.0/24
+
+    :rtype: bool
+    """
+    ipaddr = struct.unpack("=L", socket.inet_aton(ip))[0]
+    netaddr, bits = net.split("/")
+    netmask = struct.unpack("=L", socket.inet_aton(dotted_netmask(int(bits))))[0]
+    network = struct.unpack("=L", socket.inet_aton(netaddr))[0] & netmask
+    return (ipaddr & netmask) == (network & netmask)
+
+
+def dotted_netmask(mask):
+    """Converts mask from /xx format to xxx.xxx.xxx.xxx
+
+    Example: if mask is 24 function returns 255.255.255.0
+
+    :rtype: str
+    """
+    bits = 0xFFFFFFFF ^ (1 << 32 - mask) - 1
+    return socket.inet_ntoa(struct.pack(">I", bits))
+
+
+def is_ipv4_address(string_ip):
+    """
+    :rtype: bool
+    """
+    try:
+        socket.inet_aton(string_ip)
+    except OSError:
+        return False
+    return True
+
+
+def is_valid_cidr(string_network):
+    """
+    Very simple check of the cidr format in no_proxy variable.
+
+    :rtype: bool
+    """
+    if string_network.count("/") == 1:
+        try:
+            mask = int(string_network.split("/")[1])
+        except ValueError:
+            return False
+
+        if mask < 1 or mask > 32:
+            return False
+
+        try:
+            socket.inet_aton(string_network.split("/")[0])
+        except OSError:
+            return False
+    else:
+        return False
+    return True
+
+
+@contextlib.contextmanager
+def set_environ(env_name, value):
+    """Set the environment variable 'env_name' to 'value'
+
+    Save previous value, yield, and then restore the previous value stored in
+    the environment variable 'env_name'.
+
+    If 'value' is None, do nothing"""
+    value_changed = value is not None
+    if value_changed:
+        old_value = os.environ.get(env_name)
+        os.environ[env_name] = value
+    try:
+        yield
+    finally:
+        if value_changed:
+            if old_value is None:
+                del os.environ[env_name]
+            else:
+                os.environ[env_name] = old_value
+
+
+def should_bypass_proxies(url, no_proxy):
+    """
+    Returns whether we should bypass proxies or not.
+
+    :rtype: bool
+    """
+    # Prioritize lowercase environment variables over uppercase
+    # to keep a consistent behaviour with other http projects (curl, wget).
+    def get_proxy(key):
+        return os.environ.get(key) or os.environ.get(key.upper())
+
+    # First check whether no_proxy is defined. If it is, check that the URL
+    # we're getting isn't in the no_proxy list.
+    no_proxy_arg = no_proxy
+    if no_proxy is None:
+        no_proxy = get_proxy("no_proxy")
+    parsed = urlparse(url)
+
+    if parsed.hostname is None:
+        # URLs don't always have hostnames, e.g. file:/// urls.
+        return True
+
+    if no_proxy:
+        # We need to check whether we match here. We need to see if we match
+        # the end of the hostname, both with and without the port.
+        no_proxy = (host for host in no_proxy.replace(" ", "").split(",") if host)
+
+        if is_ipv4_address(parsed.hostname):
+            for proxy_ip in no_proxy:
+                if is_valid_cidr(proxy_ip):
+                    if address_in_network(parsed.hostname, proxy_ip):
+                        return True
+                elif parsed.hostname == proxy_ip:
+                    # If no_proxy ip was defined in plain IP notation instead of cidr notation &
+                    # matches the IP of the index
+                    return True
+        else:
+            host_with_port = parsed.hostname
+            if parsed.port:
+                host_with_port += f":{parsed.port}"
+
+            for host in no_proxy:
+                if parsed.hostname.endswith(host) or host_with_port.endswith(host):
+                    # The URL does match something in no_proxy, so we don't want
+                    # to apply the proxies on this URL.
+                    return True
+
+    with set_environ("no_proxy", no_proxy_arg):
+        # parsed.hostname can be `None` in cases such as a file URI.
+        try:
+            bypass = proxy_bypass(parsed.hostname)
+        except (TypeError, socket.gaierror):
+            bypass = False
+
+    if bypass:
+        return True
+
+    return False
+
+
+def get_environ_proxies(url, no_proxy=None):
+    """
+    Return a dict of environment proxies.
+
+    :rtype: dict
+    """
+    if should_bypass_proxies(url, no_proxy=no_proxy):
+        return {}
+    else:
+        return getproxies()
+
+
+def select_proxy(url, proxies):
+    """Select a proxy for the url, if applicable.
+
+    :param url: The url being for the request
+    :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs
+    """
+    proxies = proxies or {}
+    urlparts = urlparse(url)
+    if urlparts.hostname is None:
+        return proxies.get(urlparts.scheme, proxies.get("all"))
+
+    proxy_keys = [
+        urlparts.scheme + "://" + urlparts.hostname,
+        urlparts.scheme,
+        "all://" + urlparts.hostname,
+        "all",
+    ]
+    proxy = None
+    for proxy_key in proxy_keys:
+        if proxy_key in proxies:
+            proxy = proxies[proxy_key]
+            break
+
+    return proxy
+
+
+def resolve_proxies(request, proxies, trust_env=True):
+    """This method takes proxy information from a request and configuration
+    input to resolve a mapping of target proxies. This will consider settings
+    such a NO_PROXY to strip proxy configurations.
+
+    :param request: Request or PreparedRequest
+    :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs
+    :param trust_env: Boolean declaring whether to trust environment configs
+
+    :rtype: dict
+    """
+    proxies = proxies if proxies is not None else {}
+    url = request.url
+    scheme = urlparse(url).scheme
+    no_proxy = proxies.get("no_proxy")
+    new_proxies = proxies.copy()
+
+    if trust_env and not should_bypass_proxies(url, no_proxy=no_proxy):
+        environ_proxies = get_environ_proxies(url, no_proxy=no_proxy)
+
+        proxy = environ_proxies.get(scheme, environ_proxies.get("all"))
+
+        if proxy:
+            new_proxies.setdefault(scheme, proxy)
+    return new_proxies
+
+
+def default_user_agent(name="python-requests"):
+    """
+    Return a string representing the default user agent.
+
+    :rtype: str
+    """
+    return f"{name}/{__version__}"
+
+
+def default_headers():
+    """
+    :rtype: requests.structures.CaseInsensitiveDict
+    """
+    return CaseInsensitiveDict(
+        {
+            "User-Agent": default_user_agent(),
+            "Accept-Encoding": DEFAULT_ACCEPT_ENCODING,
+            "Accept": "*/*",
+            "Connection": "keep-alive",
+        }
+    )
+
+
+def parse_header_links(value):
+    """Return a list of parsed link headers proxies.
+
+    i.e. Link: <http:/.../front.jpeg>; rel=front; type="image/jpeg",<http://.../back.jpeg>; rel=back;type="image/jpeg"
+
+    :rtype: list
+    """
+
+    links = []
+
+    replace_chars = " '\""
+
+    value = value.strip(replace_chars)
+    if not value:
+        return links
+
+    for val in re.split(", *<", value):
+        try:
+            url, params = val.split(";", 1)
+        except ValueError:
+            url, params = val, ""
+
+        link = {"url": url.strip("<> '\"")}
+
+        for param in params.split(";"):
+            try:
+                key, value = param.split("=")
+            except ValueError:
+                break
+
+            link[key.strip(replace_chars)] = value.strip(replace_chars)
+
+        links.append(link)
+
+    return links
+
+
+# Null bytes; no need to recreate these on each call to guess_json_utf
+_null = "\x00".encode("ascii")  # encoding to ASCII for Python 3
+_null2 = _null * 2
+_null3 = _null * 3
+
+
+def guess_json_utf(data):
+    """
+    :rtype: str
+    """
+    # JSON always starts with two ASCII characters, so detection is as
+    # easy as counting the nulls and from their location and count
+    # determine the encoding. Also detect a BOM, if present.
+    sample = data[:4]
+    if sample in (codecs.BOM_UTF32_LE, codecs.BOM_UTF32_BE):
+        return "utf-32"  # BOM included
+    if sample[:3] == codecs.BOM_UTF8:
+        return "utf-8-sig"  # BOM included, MS style (discouraged)
+    if sample[:2] in (codecs.BOM_UTF16_LE, codecs.BOM_UTF16_BE):
+        return "utf-16"  # BOM included
+    nullcount = sample.count(_null)
+    if nullcount == 0:
+        return "utf-8"
+    if nullcount == 2:
+        if sample[::2] == _null2:  # 1st and 3rd are null
+            return "utf-16-be"
+        if sample[1::2] == _null2:  # 2nd and 4th are null
+            return "utf-16-le"
+        # Did not detect 2 valid UTF-16 ascii-range characters
+    if nullcount == 3:
+        if sample[:3] == _null3:
+            return "utf-32-be"
+        if sample[1:] == _null3:
+            return "utf-32-le"
+        # Did not detect a valid UTF-32 ascii-range character
+    return None
+
+
+def prepend_scheme_if_needed(url, new_scheme):
+    """Given a URL that may or may not have a scheme, prepend the given scheme.
+    Does not replace a present scheme with the one provided as an argument.
+
+    :rtype: str
+    """
+    parsed = parse_url(url)
+    scheme, auth, host, port, path, query, fragment = parsed
+
+    # A defect in urlparse determines that there isn't a netloc present in some
+    # urls. We previously assumed parsing was overly cautious, and swapped the
+    # netloc and path. Due to a lack of tests on the original defect, this is
+    # maintained with parse_url for backwards compatibility.
+    netloc = parsed.netloc
+    if not netloc:
+        netloc, path = path, netloc
+
+    if auth:
+        # parse_url doesn't provide the netloc with auth
+        # so we'll add it ourselves.
+        netloc = "@".join([auth, netloc])
+    if scheme is None:
+        scheme = new_scheme
+    if path is None:
+        path = ""
+
+    return urlunparse((scheme, netloc, path, "", query, fragment))
+
+
+def get_auth_from_url(url):
+    """Given a url with authentication components, extract them into a tuple of
+    username,password.
+
+    :rtype: (str,str)
+    """
+    parsed = urlparse(url)
+
+    try:
+        auth = (unquote(parsed.username), unquote(parsed.password))
+    except (AttributeError, TypeError):
+        auth = ("", "")
+
+    return auth
+
+
+def check_header_validity(header):
+    """Verifies that header parts don't contain leading whitespace
+    reserved characters, or return characters.
+
+    :param header: tuple, in the format (name, value).
+    """
+    name, value = header
+    _validate_header_part(header, name, 0)
+    _validate_header_part(header, value, 1)
+
+
+def _validate_header_part(header, header_part, header_validator_index):
+    if isinstance(header_part, str):
+        validator = _HEADER_VALIDATORS_STR[header_validator_index]
+    elif isinstance(header_part, bytes):
+        validator = _HEADER_VALIDATORS_BYTE[header_validator_index]
+    else:
+        raise InvalidHeader(
+            f"Header part ({header_part!r}) from {header} "
+            f"must be of type str or bytes, not {type(header_part)}"
+        )
+
+    if not validator.match(header_part):
+        header_kind = "name" if header_validator_index == 0 else "value"
+        raise InvalidHeader(
+            f"Invalid leading whitespace, reserved character(s), or return"
+            f"character(s) in header {header_kind}: {header_part!r}"
+        )
+
+
+def urldefragauth(url):
+    """
+    Given a url remove the fragment and the authentication part.
+
+    :rtype: str
+    """
+    scheme, netloc, path, params, query, fragment = urlparse(url)
+
+    # see func:`prepend_scheme_if_needed`
+    if not netloc:
+        netloc, path = path, netloc
+
+    netloc = netloc.rsplit("@", 1)[-1]
+
+    return urlunparse((scheme, netloc, path, params, query, ""))
+
+
+def rewind_body(prepared_request):
+    """Move file pointer back to its recorded starting position
+    so it can be read again on redirect.
+    """
+    body_seek = getattr(prepared_request.body, "seek", None)
+    if body_seek is not None and isinstance(
+        prepared_request._body_position, integer_types
+    ):
+        try:
+            body_seek(prepared_request._body_position)
+        except OSError:
+            raise UnrewindableBodyError(
+                "An error occurred when rewinding request body for redirect."
+            )
+    else:
+        raise UnrewindableBodyError("Unable to rewind request body for redirect.")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/__init__.py
new file mode 100644
index 00000000..d92acc7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/__init__.py
@@ -0,0 +1,26 @@
+__all__ = [
+    "__version__",
+    "AbstractProvider",
+    "AbstractResolver",
+    "BaseReporter",
+    "InconsistentCandidate",
+    "Resolver",
+    "RequirementsConflicted",
+    "ResolutionError",
+    "ResolutionImpossible",
+    "ResolutionTooDeep",
+]
+
+__version__ = "1.0.1"
+
+
+from .providers import AbstractProvider, AbstractResolver
+from .reporters import BaseReporter
+from .resolvers import (
+    InconsistentCandidate,
+    RequirementsConflicted,
+    ResolutionError,
+    ResolutionImpossible,
+    ResolutionTooDeep,
+    Resolver,
+)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/compat/collections_abc.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/compat/collections_abc.py
new file mode 100644
index 00000000..1becc509
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/compat/collections_abc.py
@@ -0,0 +1,6 @@
+__all__ = ["Mapping", "Sequence"]
+
+try:
+    from collections.abc import Mapping, Sequence
+except ImportError:
+    from collections import Mapping, Sequence
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/providers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/providers.py
new file mode 100644
index 00000000..e99d87ee
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/providers.py
@@ -0,0 +1,133 @@
+class AbstractProvider(object):
+    """Delegate class to provide the required interface for the resolver."""
+
+    def identify(self, requirement_or_candidate):
+        """Given a requirement, return an identifier for it.
+
+        This is used to identify a requirement, e.g. whether two requirements
+        should have their specifier parts merged.
+        """
+        raise NotImplementedError
+
+    def get_preference(
+        self,
+        identifier,
+        resolutions,
+        candidates,
+        information,
+        backtrack_causes,
+    ):
+        """Produce a sort key for given requirement based on preference.
+
+        The preference is defined as "I think this requirement should be
+        resolved first". The lower the return value is, the more preferred
+        this group of arguments is.
+
+        :param identifier: An identifier as returned by ``identify()``. This
+            identifies the dependency matches which should be returned.
+        :param resolutions: Mapping of candidates currently pinned by the
+            resolver. Each key is an identifier, and the value is a candidate.
+            The candidate may conflict with requirements from ``information``.
+        :param candidates: Mapping of each dependency's possible candidates.
+            Each value is an iterator of candidates.
+        :param information: Mapping of requirement information of each package.
+            Each value is an iterator of *requirement information*.
+        :param backtrack_causes: Sequence of requirement information that were
+            the requirements that caused the resolver to most recently backtrack.
+
+        A *requirement information* instance is a named tuple with two members:
+
+        * ``requirement`` specifies a requirement contributing to the current
+          list of candidates.
+        * ``parent`` specifies the candidate that provides (depended on) the
+          requirement, or ``None`` to indicate a root requirement.
+
+        The preference could depend on various issues, including (not
+        necessarily in this order):
+
+        * Is this package pinned in the current resolution result?
+        * How relaxed is the requirement? Stricter ones should probably be
+          worked on first? (I don't know, actually.)
+        * How many possibilities are there to satisfy this requirement? Those
+          with few left should likely be worked on first, I guess?
+        * Are there any known conflicts for this requirement? We should
+          probably work on those with the most known conflicts.
+
+        A sortable value should be returned (this will be used as the ``key``
+        parameter of the built-in sorting function). The smaller the value is,
+        the more preferred this requirement is (i.e. the sorting function
+        is called with ``reverse=False``).
+        """
+        raise NotImplementedError
+
+    def find_matches(self, identifier, requirements, incompatibilities):
+        """Find all possible candidates that satisfy the given constraints.
+
+        :param identifier: An identifier as returned by ``identify()``. This
+            identifies the dependency matches of which should be returned.
+        :param requirements: A mapping of requirements that all returned
+            candidates must satisfy. Each key is an identifier, and the value
+            an iterator of requirements for that dependency.
+        :param incompatibilities: A mapping of known incompatibilities of
+            each dependency. Each key is an identifier, and the value an
+            iterator of incompatibilities known to the resolver. All
+            incompatibilities *must* be excluded from the return value.
+
+        This should try to get candidates based on the requirements' types.
+        For VCS, local, and archive requirements, the one-and-only match is
+        returned, and for a "named" requirement, the index(es) should be
+        consulted to find concrete candidates for this requirement.
+
+        The return value should produce candidates ordered by preference; the
+        most preferred candidate should come first. The return type may be one
+        of the following:
+
+        * A callable that returns an iterator that yields candidates.
+        * An collection of candidates.
+        * An iterable of candidates. This will be consumed immediately into a
+          list of candidates.
+        """
+        raise NotImplementedError
+
+    def is_satisfied_by(self, requirement, candidate):
+        """Whether the given requirement can be satisfied by a candidate.
+
+        The candidate is guaranteed to have been generated from the
+        requirement.
+
+        A boolean should be returned to indicate whether ``candidate`` is a
+        viable solution to the requirement.
+        """
+        raise NotImplementedError
+
+    def get_dependencies(self, candidate):
+        """Get dependencies of a candidate.
+
+        This should return a collection of requirements that `candidate`
+        specifies as its dependencies.
+        """
+        raise NotImplementedError
+
+
+class AbstractResolver(object):
+    """The thing that performs the actual resolution work."""
+
+    base_exception = Exception
+
+    def __init__(self, provider, reporter):
+        self.provider = provider
+        self.reporter = reporter
+
+    def resolve(self, requirements, **kwargs):
+        """Take a collection of constraints, spit out the resolution result.
+
+        This returns a representation of the final resolution state, with one
+        guarenteed attribute ``mapping`` that contains resolved candidates as
+        values. The keys are their respective identifiers.
+
+        :param requirements: A collection of constraints.
+        :param kwargs: Additional keyword arguments that subclasses may accept.
+
+        :raises: ``self.base_exception`` or its subclass.
+        """
+        raise NotImplementedError
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/reporters.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/reporters.py
new file mode 100644
index 00000000..688b5e10
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/reporters.py
@@ -0,0 +1,43 @@
+class BaseReporter(object):
+    """Delegate class to provider progress reporting for the resolver."""
+
+    def starting(self):
+        """Called before the resolution actually starts."""
+
+    def starting_round(self, index):
+        """Called before each round of resolution starts.
+
+        The index is zero-based.
+        """
+
+    def ending_round(self, index, state):
+        """Called before each round of resolution ends.
+
+        This is NOT called if the resolution ends at this round. Use `ending`
+        if you want to report finalization. The index is zero-based.
+        """
+
+    def ending(self, state):
+        """Called before the resolution ends successfully."""
+
+    def adding_requirement(self, requirement, parent):
+        """Called when adding a new requirement into the resolve criteria.
+
+        :param requirement: The additional requirement to be applied to filter
+            the available candidaites.
+        :param parent: The candidate that requires ``requirement`` as a
+            dependency, or None if ``requirement`` is one of the root
+            requirements passed in from ``Resolver.resolve()``.
+        """
+
+    def resolving_conflicts(self, causes):
+        """Called when starting to attempt requirement conflict resolution.
+
+        :param causes: The information on the collision that caused the backtracking.
+        """
+
+    def rejecting_candidate(self, criterion, candidate):
+        """Called when rejecting a candidate during backtracking."""
+
+    def pinning(self, candidate):
+        """Called when adding a candidate to the potential solution."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/resolvers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/resolvers.py
new file mode 100644
index 00000000..2c3d0e30
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/resolvers.py
@@ -0,0 +1,547 @@
+import collections
+import itertools
+import operator
+
+from .providers import AbstractResolver
+from .structs import DirectedGraph, IteratorMapping, build_iter_view
+
+RequirementInformation = collections.namedtuple(
+    "RequirementInformation", ["requirement", "parent"]
+)
+
+
+class ResolverException(Exception):
+    """A base class for all exceptions raised by this module.
+
+    Exceptions derived by this class should all be handled in this module. Any
+    bubbling pass the resolver should be treated as a bug.
+    """
+
+
+class RequirementsConflicted(ResolverException):
+    def __init__(self, criterion):
+        super(RequirementsConflicted, self).__init__(criterion)
+        self.criterion = criterion
+
+    def __str__(self):
+        return "Requirements conflict: {}".format(
+            ", ".join(repr(r) for r in self.criterion.iter_requirement()),
+        )
+
+
+class InconsistentCandidate(ResolverException):
+    def __init__(self, candidate, criterion):
+        super(InconsistentCandidate, self).__init__(candidate, criterion)
+        self.candidate = candidate
+        self.criterion = criterion
+
+    def __str__(self):
+        return "Provided candidate {!r} does not satisfy {}".format(
+            self.candidate,
+            ", ".join(repr(r) for r in self.criterion.iter_requirement()),
+        )
+
+
+class Criterion(object):
+    """Representation of possible resolution results of a package.
+
+    This holds three attributes:
+
+    * `information` is a collection of `RequirementInformation` pairs.
+      Each pair is a requirement contributing to this criterion, and the
+      candidate that provides the requirement.
+    * `incompatibilities` is a collection of all known not-to-work candidates
+      to exclude from consideration.
+    * `candidates` is a collection containing all possible candidates deducted
+      from the union of contributing requirements and known incompatibilities.
+      It should never be empty, except when the criterion is an attribute of a
+      raised `RequirementsConflicted` (in which case it is always empty).
+
+    .. note::
+        This class is intended to be externally immutable. **Do not** mutate
+        any of its attribute containers.
+    """
+
+    def __init__(self, candidates, information, incompatibilities):
+        self.candidates = candidates
+        self.information = information
+        self.incompatibilities = incompatibilities
+
+    def __repr__(self):
+        requirements = ", ".join(
+            "({!r}, via={!r})".format(req, parent)
+            for req, parent in self.information
+        )
+        return "Criterion({})".format(requirements)
+
+    def iter_requirement(self):
+        return (i.requirement for i in self.information)
+
+    def iter_parent(self):
+        return (i.parent for i in self.information)
+
+
+class ResolutionError(ResolverException):
+    pass
+
+
+class ResolutionImpossible(ResolutionError):
+    def __init__(self, causes):
+        super(ResolutionImpossible, self).__init__(causes)
+        # causes is a list of RequirementInformation objects
+        self.causes = causes
+
+
+class ResolutionTooDeep(ResolutionError):
+    def __init__(self, round_count):
+        super(ResolutionTooDeep, self).__init__(round_count)
+        self.round_count = round_count
+
+
+# Resolution state in a round.
+State = collections.namedtuple("State", "mapping criteria backtrack_causes")
+
+
+class Resolution(object):
+    """Stateful resolution object.
+
+    This is designed as a one-off object that holds information to kick start
+    the resolution process, and holds the results afterwards.
+    """
+
+    def __init__(self, provider, reporter):
+        self._p = provider
+        self._r = reporter
+        self._states = []
+
+    @property
+    def state(self):
+        try:
+            return self._states[-1]
+        except IndexError:
+            raise AttributeError("state")
+
+    def _push_new_state(self):
+        """Push a new state into history.
+
+        This new state will be used to hold resolution results of the next
+        coming round.
+        """
+        base = self._states[-1]
+        state = State(
+            mapping=base.mapping.copy(),
+            criteria=base.criteria.copy(),
+            backtrack_causes=base.backtrack_causes[:],
+        )
+        self._states.append(state)
+
+    def _add_to_criteria(self, criteria, requirement, parent):
+        self._r.adding_requirement(requirement=requirement, parent=parent)
+
+        identifier = self._p.identify(requirement_or_candidate=requirement)
+        criterion = criteria.get(identifier)
+        if criterion:
+            incompatibilities = list(criterion.incompatibilities)
+        else:
+            incompatibilities = []
+
+        matches = self._p.find_matches(
+            identifier=identifier,
+            requirements=IteratorMapping(
+                criteria,
+                operator.methodcaller("iter_requirement"),
+                {identifier: [requirement]},
+            ),
+            incompatibilities=IteratorMapping(
+                criteria,
+                operator.attrgetter("incompatibilities"),
+                {identifier: incompatibilities},
+            ),
+        )
+
+        if criterion:
+            information = list(criterion.information)
+            information.append(RequirementInformation(requirement, parent))
+        else:
+            information = [RequirementInformation(requirement, parent)]
+
+        criterion = Criterion(
+            candidates=build_iter_view(matches),
+            information=information,
+            incompatibilities=incompatibilities,
+        )
+        if not criterion.candidates:
+            raise RequirementsConflicted(criterion)
+        criteria[identifier] = criterion
+
+    def _remove_information_from_criteria(self, criteria, parents):
+        """Remove information from parents of criteria.
+
+        Concretely, removes all values from each criterion's ``information``
+        field that have one of ``parents`` as provider of the requirement.
+
+        :param criteria: The criteria to update.
+        :param parents: Identifiers for which to remove information from all criteria.
+        """
+        if not parents:
+            return
+        for key, criterion in criteria.items():
+            criteria[key] = Criterion(
+                criterion.candidates,
+                [
+                    information
+                    for information in criterion.information
+                    if (
+                        information.parent is None
+                        or self._p.identify(information.parent) not in parents
+                    )
+                ],
+                criterion.incompatibilities,
+            )
+
+    def _get_preference(self, name):
+        return self._p.get_preference(
+            identifier=name,
+            resolutions=self.state.mapping,
+            candidates=IteratorMapping(
+                self.state.criteria,
+                operator.attrgetter("candidates"),
+            ),
+            information=IteratorMapping(
+                self.state.criteria,
+                operator.attrgetter("information"),
+            ),
+            backtrack_causes=self.state.backtrack_causes,
+        )
+
+    def _is_current_pin_satisfying(self, name, criterion):
+        try:
+            current_pin = self.state.mapping[name]
+        except KeyError:
+            return False
+        return all(
+            self._p.is_satisfied_by(requirement=r, candidate=current_pin)
+            for r in criterion.iter_requirement()
+        )
+
+    def _get_updated_criteria(self, candidate):
+        criteria = self.state.criteria.copy()
+        for requirement in self._p.get_dependencies(candidate=candidate):
+            self._add_to_criteria(criteria, requirement, parent=candidate)
+        return criteria
+
+    def _attempt_to_pin_criterion(self, name):
+        criterion = self.state.criteria[name]
+
+        causes = []
+        for candidate in criterion.candidates:
+            try:
+                criteria = self._get_updated_criteria(candidate)
+            except RequirementsConflicted as e:
+                self._r.rejecting_candidate(e.criterion, candidate)
+                causes.append(e.criterion)
+                continue
+
+            # Check the newly-pinned candidate actually works. This should
+            # always pass under normal circumstances, but in the case of a
+            # faulty provider, we will raise an error to notify the implementer
+            # to fix find_matches() and/or is_satisfied_by().
+            satisfied = all(
+                self._p.is_satisfied_by(requirement=r, candidate=candidate)
+                for r in criterion.iter_requirement()
+            )
+            if not satisfied:
+                raise InconsistentCandidate(candidate, criterion)
+
+            self._r.pinning(candidate=candidate)
+            self.state.criteria.update(criteria)
+
+            # Put newly-pinned candidate at the end. This is essential because
+            # backtracking looks at this mapping to get the last pin.
+            self.state.mapping.pop(name, None)
+            self.state.mapping[name] = candidate
+
+            return []
+
+        # All candidates tried, nothing works. This criterion is a dead
+        # end, signal for backtracking.
+        return causes
+
+    def _backjump(self, causes):
+        """Perform backjumping.
+
+        When we enter here, the stack is like this::
+
+            [ state Z ]
+            [ state Y ]
+            [ state X ]
+            .... earlier states are irrelevant.
+
+        1. No pins worked for Z, so it does not have a pin.
+        2. We want to reset state Y to unpinned, and pin another candidate.
+        3. State X holds what state Y was before the pin, but does not
+           have the incompatibility information gathered in state Y.
+
+        Each iteration of the loop will:
+
+        1.  Identify Z. The incompatibility is not always caused by the latest
+            state. For example, given three requirements A, B and C, with
+            dependencies A1, B1 and C1, where A1 and B1 are incompatible: the
+            last state might be related to C, so we want to discard the
+            previous state.
+        2.  Discard Z.
+        3.  Discard Y but remember its incompatibility information gathered
+            previously, and the failure we're dealing with right now.
+        4.  Push a new state Y' based on X, and apply the incompatibility
+            information from Y to Y'.
+        5a. If this causes Y' to conflict, we need to backtrack again. Make Y'
+            the new Z and go back to step 2.
+        5b. If the incompatibilities apply cleanly, end backtracking.
+        """
+        incompatible_reqs = itertools.chain(
+            (c.parent for c in causes if c.parent is not None),
+            (c.requirement for c in causes),
+        )
+        incompatible_deps = {self._p.identify(r) for r in incompatible_reqs}
+        while len(self._states) >= 3:
+            # Remove the state that triggered backtracking.
+            del self._states[-1]
+
+            # Ensure to backtrack to a state that caused the incompatibility
+            incompatible_state = False
+            while not incompatible_state:
+                # Retrieve the last candidate pin and known incompatibilities.
+                try:
+                    broken_state = self._states.pop()
+                    name, candidate = broken_state.mapping.popitem()
+                except (IndexError, KeyError):
+                    raise ResolutionImpossible(causes)
+                current_dependencies = {
+                    self._p.identify(d)
+                    for d in self._p.get_dependencies(candidate)
+                }
+                incompatible_state = not current_dependencies.isdisjoint(
+                    incompatible_deps
+                )
+
+            incompatibilities_from_broken = [
+                (k, list(v.incompatibilities))
+                for k, v in broken_state.criteria.items()
+            ]
+
+            # Also mark the newly known incompatibility.
+            incompatibilities_from_broken.append((name, [candidate]))
+
+            # Create a new state from the last known-to-work one, and apply
+            # the previously gathered incompatibility information.
+            def _patch_criteria():
+                for k, incompatibilities in incompatibilities_from_broken:
+                    if not incompatibilities:
+                        continue
+                    try:
+                        criterion = self.state.criteria[k]
+                    except KeyError:
+                        continue
+                    matches = self._p.find_matches(
+                        identifier=k,
+                        requirements=IteratorMapping(
+                            self.state.criteria,
+                            operator.methodcaller("iter_requirement"),
+                        ),
+                        incompatibilities=IteratorMapping(
+                            self.state.criteria,
+                            operator.attrgetter("incompatibilities"),
+                            {k: incompatibilities},
+                        ),
+                    )
+                    candidates = build_iter_view(matches)
+                    if not candidates:
+                        return False
+                    incompatibilities.extend(criterion.incompatibilities)
+                    self.state.criteria[k] = Criterion(
+                        candidates=candidates,
+                        information=list(criterion.information),
+                        incompatibilities=incompatibilities,
+                    )
+                return True
+
+            self._push_new_state()
+            success = _patch_criteria()
+
+            # It works! Let's work on this new state.
+            if success:
+                return True
+
+            # State does not work after applying known incompatibilities.
+            # Try the still previous state.
+
+        # No way to backtrack anymore.
+        return False
+
+    def resolve(self, requirements, max_rounds):
+        if self._states:
+            raise RuntimeError("already resolved")
+
+        self._r.starting()
+
+        # Initialize the root state.
+        self._states = [
+            State(
+                mapping=collections.OrderedDict(),
+                criteria={},
+                backtrack_causes=[],
+            )
+        ]
+        for r in requirements:
+            try:
+                self._add_to_criteria(self.state.criteria, r, parent=None)
+            except RequirementsConflicted as e:
+                raise ResolutionImpossible(e.criterion.information)
+
+        # The root state is saved as a sentinel so the first ever pin can have
+        # something to backtrack to if it fails. The root state is basically
+        # pinning the virtual "root" package in the graph.
+        self._push_new_state()
+
+        for round_index in range(max_rounds):
+            self._r.starting_round(index=round_index)
+
+            unsatisfied_names = [
+                key
+                for key, criterion in self.state.criteria.items()
+                if not self._is_current_pin_satisfying(key, criterion)
+            ]
+
+            # All criteria are accounted for. Nothing more to pin, we are done!
+            if not unsatisfied_names:
+                self._r.ending(state=self.state)
+                return self.state
+
+            # keep track of satisfied names to calculate diff after pinning
+            satisfied_names = set(self.state.criteria.keys()) - set(
+                unsatisfied_names
+            )
+
+            # Choose the most preferred unpinned criterion to try.
+            name = min(unsatisfied_names, key=self._get_preference)
+            failure_causes = self._attempt_to_pin_criterion(name)
+
+            if failure_causes:
+                causes = [i for c in failure_causes for i in c.information]
+                # Backjump if pinning fails. The backjump process puts us in
+                # an unpinned state, so we can work on it in the next round.
+                self._r.resolving_conflicts(causes=causes)
+                success = self._backjump(causes)
+                self.state.backtrack_causes[:] = causes
+
+                # Dead ends everywhere. Give up.
+                if not success:
+                    raise ResolutionImpossible(self.state.backtrack_causes)
+            else:
+                # discard as information sources any invalidated names
+                # (unsatisfied names that were previously satisfied)
+                newly_unsatisfied_names = {
+                    key
+                    for key, criterion in self.state.criteria.items()
+                    if key in satisfied_names
+                    and not self._is_current_pin_satisfying(key, criterion)
+                }
+                self._remove_information_from_criteria(
+                    self.state.criteria, newly_unsatisfied_names
+                )
+                # Pinning was successful. Push a new state to do another pin.
+                self._push_new_state()
+
+            self._r.ending_round(index=round_index, state=self.state)
+
+        raise ResolutionTooDeep(max_rounds)
+
+
+def _has_route_to_root(criteria, key, all_keys, connected):
+    if key in connected:
+        return True
+    if key not in criteria:
+        return False
+    for p in criteria[key].iter_parent():
+        try:
+            pkey = all_keys[id(p)]
+        except KeyError:
+            continue
+        if pkey in connected:
+            connected.add(key)
+            return True
+        if _has_route_to_root(criteria, pkey, all_keys, connected):
+            connected.add(key)
+            return True
+    return False
+
+
+Result = collections.namedtuple("Result", "mapping graph criteria")
+
+
+def _build_result(state):
+    mapping = state.mapping
+    all_keys = {id(v): k for k, v in mapping.items()}
+    all_keys[id(None)] = None
+
+    graph = DirectedGraph()
+    graph.add(None)  # Sentinel as root dependencies' parent.
+
+    connected = {None}
+    for key, criterion in state.criteria.items():
+        if not _has_route_to_root(state.criteria, key, all_keys, connected):
+            continue
+        if key not in graph:
+            graph.add(key)
+        for p in criterion.iter_parent():
+            try:
+                pkey = all_keys[id(p)]
+            except KeyError:
+                continue
+            if pkey not in graph:
+                graph.add(pkey)
+            graph.connect(pkey, key)
+
+    return Result(
+        mapping={k: v for k, v in mapping.items() if k in connected},
+        graph=graph,
+        criteria=state.criteria,
+    )
+
+
+class Resolver(AbstractResolver):
+    """The thing that performs the actual resolution work."""
+
+    base_exception = ResolverException
+
+    def resolve(self, requirements, max_rounds=100):
+        """Take a collection of constraints, spit out the resolution result.
+
+        The return value is a representation to the final resolution result. It
+        is a tuple subclass with three public members:
+
+        * `mapping`: A dict of resolved candidates. Each key is an identifier
+            of a requirement (as returned by the provider's `identify` method),
+            and the value is the resolved candidate.
+        * `graph`: A `DirectedGraph` instance representing the dependency tree.
+            The vertices are keys of `mapping`, and each edge represents *why*
+            a particular package is included. A special vertex `None` is
+            included to represent parents of user-supplied requirements.
+        * `criteria`: A dict of "criteria" that hold detailed information on
+            how edges in the graph are derived. Each key is an identifier of a
+            requirement, and the value is a `Criterion` instance.
+
+        The following exceptions may be raised if a resolution cannot be found:
+
+        * `ResolutionImpossible`: A resolution cannot be found for the given
+            combination of requirements. The `causes` attribute of the
+            exception is a list of (requirement, parent), giving the
+            requirements that could not be satisfied.
+        * `ResolutionTooDeep`: The dependency tree is too deeply nested and
+            the resolver gave up. This is usually caused by a circular
+            dependency, but you can try to resolve this by increasing the
+            `max_rounds` argument.
+        """
+        resolution = Resolution(self.provider, self.reporter)
+        state = resolution.resolve(requirements, max_rounds=max_rounds)
+        return _build_result(state)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/structs.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/structs.py
new file mode 100644
index 00000000..359a34f6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/resolvelib/structs.py
@@ -0,0 +1,170 @@
+import itertools
+
+from .compat import collections_abc
+
+
+class DirectedGraph(object):
+    """A graph structure with directed edges."""
+
+    def __init__(self):
+        self._vertices = set()
+        self._forwards = {}  # <key> -> Set[<key>]
+        self._backwards = {}  # <key> -> Set[<key>]
+
+    def __iter__(self):
+        return iter(self._vertices)
+
+    def __len__(self):
+        return len(self._vertices)
+
+    def __contains__(self, key):
+        return key in self._vertices
+
+    def copy(self):
+        """Return a shallow copy of this graph."""
+        other = DirectedGraph()
+        other._vertices = set(self._vertices)
+        other._forwards = {k: set(v) for k, v in self._forwards.items()}
+        other._backwards = {k: set(v) for k, v in self._backwards.items()}
+        return other
+
+    def add(self, key):
+        """Add a new vertex to the graph."""
+        if key in self._vertices:
+            raise ValueError("vertex exists")
+        self._vertices.add(key)
+        self._forwards[key] = set()
+        self._backwards[key] = set()
+
+    def remove(self, key):
+        """Remove a vertex from the graph, disconnecting all edges from/to it."""
+        self._vertices.remove(key)
+        for f in self._forwards.pop(key):
+            self._backwards[f].remove(key)
+        for t in self._backwards.pop(key):
+            self._forwards[t].remove(key)
+
+    def connected(self, f, t):
+        return f in self._backwards[t] and t in self._forwards[f]
+
+    def connect(self, f, t):
+        """Connect two existing vertices.
+
+        Nothing happens if the vertices are already connected.
+        """
+        if t not in self._vertices:
+            raise KeyError(t)
+        self._forwards[f].add(t)
+        self._backwards[t].add(f)
+
+    def iter_edges(self):
+        for f, children in self._forwards.items():
+            for t in children:
+                yield f, t
+
+    def iter_children(self, key):
+        return iter(self._forwards[key])
+
+    def iter_parents(self, key):
+        return iter(self._backwards[key])
+
+
+class IteratorMapping(collections_abc.Mapping):
+    def __init__(self, mapping, accessor, appends=None):
+        self._mapping = mapping
+        self._accessor = accessor
+        self._appends = appends or {}
+
+    def __repr__(self):
+        return "IteratorMapping({!r}, {!r}, {!r})".format(
+            self._mapping,
+            self._accessor,
+            self._appends,
+        )
+
+    def __bool__(self):
+        return bool(self._mapping or self._appends)
+
+    __nonzero__ = __bool__  # XXX: Python 2.
+
+    def __contains__(self, key):
+        return key in self._mapping or key in self._appends
+
+    def __getitem__(self, k):
+        try:
+            v = self._mapping[k]
+        except KeyError:
+            return iter(self._appends[k])
+        return itertools.chain(self._accessor(v), self._appends.get(k, ()))
+
+    def __iter__(self):
+        more = (k for k in self._appends if k not in self._mapping)
+        return itertools.chain(self._mapping, more)
+
+    def __len__(self):
+        more = sum(1 for k in self._appends if k not in self._mapping)
+        return len(self._mapping) + more
+
+
+class _FactoryIterableView(object):
+    """Wrap an iterator factory returned by `find_matches()`.
+
+    Calling `iter()` on this class would invoke the underlying iterator
+    factory, making it a "collection with ordering" that can be iterated
+    through multiple times, but lacks random access methods presented in
+    built-in Python sequence types.
+    """
+
+    def __init__(self, factory):
+        self._factory = factory
+        self._iterable = None
+
+    def __repr__(self):
+        return "{}({})".format(type(self).__name__, list(self))
+
+    def __bool__(self):
+        try:
+            next(iter(self))
+        except StopIteration:
+            return False
+        return True
+
+    __nonzero__ = __bool__  # XXX: Python 2.
+
+    def __iter__(self):
+        iterable = (
+            self._factory() if self._iterable is None else self._iterable
+        )
+        self._iterable, current = itertools.tee(iterable)
+        return current
+
+
+class _SequenceIterableView(object):
+    """Wrap an iterable returned by find_matches().
+
+    This is essentially just a proxy to the underlying sequence that provides
+    the same interface as `_FactoryIterableView`.
+    """
+
+    def __init__(self, sequence):
+        self._sequence = sequence
+
+    def __repr__(self):
+        return "{}({})".format(type(self).__name__, self._sequence)
+
+    def __bool__(self):
+        return bool(self._sequence)
+
+    __nonzero__ = __bool__  # XXX: Python 2.
+
+    def __iter__(self):
+        return iter(self._sequence)
+
+
+def build_iter_view(matches):
+    """Build an iterable view from the value returned by `find_matches()`."""
+    if callable(matches):
+        return _FactoryIterableView(matches)
+    if not isinstance(matches, collections_abc.Sequence):
+        matches = list(matches)
+    return _SequenceIterableView(matches)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/__init__.py
new file mode 100644
index 00000000..73f58d77
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/__init__.py
@@ -0,0 +1,177 @@
+"""Rich text and beautiful formatting in the terminal."""
+
+import os
+from typing import IO, TYPE_CHECKING, Any, Callable, Optional, Union
+
+from ._extension import load_ipython_extension  # noqa: F401
+
+__all__ = ["get_console", "reconfigure", "print", "inspect", "print_json"]
+
+if TYPE_CHECKING:
+    from .console import Console
+
+# Global console used by alternative print
+_console: Optional["Console"] = None
+
+try:
+    _IMPORT_CWD = os.path.abspath(os.getcwd())
+except FileNotFoundError:
+    # Can happen if the cwd has been deleted
+    _IMPORT_CWD = ""
+
+
+def get_console() -> "Console":
+    """Get a global :class:`~rich.console.Console` instance. This function is used when Rich requires a Console,
+    and hasn't been explicitly given one.
+
+    Returns:
+        Console: A console instance.
+    """
+    global _console
+    if _console is None:
+        from .console import Console
+
+        _console = Console()
+
+    return _console
+
+
+def reconfigure(*args: Any, **kwargs: Any) -> None:
+    """Reconfigures the global console by replacing it with another.
+
+    Args:
+        *args (Any): Positional arguments for the replacement :class:`~rich.console.Console`.
+        **kwargs (Any): Keyword arguments for the replacement :class:`~rich.console.Console`.
+    """
+    from pip._vendor.rich.console import Console
+
+    new_console = Console(*args, **kwargs)
+    _console = get_console()
+    _console.__dict__ = new_console.__dict__
+
+
+def print(
+    *objects: Any,
+    sep: str = " ",
+    end: str = "\n",
+    file: Optional[IO[str]] = None,
+    flush: bool = False,
+) -> None:
+    r"""Print object(s) supplied via positional arguments.
+    This function has an identical signature to the built-in print.
+    For more advanced features, see the :class:`~rich.console.Console` class.
+
+    Args:
+        sep (str, optional): Separator between printed objects. Defaults to " ".
+        end (str, optional): Character to write at end of output. Defaults to "\\n".
+        file (IO[str], optional): File to write to, or None for stdout. Defaults to None.
+        flush (bool, optional): Has no effect as Rich always flushes output. Defaults to False.
+
+    """
+    from .console import Console
+
+    write_console = get_console() if file is None else Console(file=file)
+    return write_console.print(*objects, sep=sep, end=end)
+
+
+def print_json(
+    json: Optional[str] = None,
+    *,
+    data: Any = None,
+    indent: Union[None, int, str] = 2,
+    highlight: bool = True,
+    skip_keys: bool = False,
+    ensure_ascii: bool = False,
+    check_circular: bool = True,
+    allow_nan: bool = True,
+    default: Optional[Callable[[Any], Any]] = None,
+    sort_keys: bool = False,
+) -> None:
+    """Pretty prints JSON. Output will be valid JSON.
+
+    Args:
+        json (str): A string containing JSON.
+        data (Any): If json is not supplied, then encode this data.
+        indent (int, optional): Number of spaces to indent. Defaults to 2.
+        highlight (bool, optional): Enable highlighting of output: Defaults to True.
+        skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+        ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+        check_circular (bool, optional): Check for circular references. Defaults to True.
+        allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+        default (Callable, optional): A callable that converts values that can not be encoded
+            in to something that can be JSON encoded. Defaults to None.
+        sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+    """
+
+    get_console().print_json(
+        json,
+        data=data,
+        indent=indent,
+        highlight=highlight,
+        skip_keys=skip_keys,
+        ensure_ascii=ensure_ascii,
+        check_circular=check_circular,
+        allow_nan=allow_nan,
+        default=default,
+        sort_keys=sort_keys,
+    )
+
+
+def inspect(
+    obj: Any,
+    *,
+    console: Optional["Console"] = None,
+    title: Optional[str] = None,
+    help: bool = False,
+    methods: bool = False,
+    docs: bool = True,
+    private: bool = False,
+    dunder: bool = False,
+    sort: bool = True,
+    all: bool = False,
+    value: bool = True,
+) -> None:
+    """Inspect any Python object.
+
+    * inspect(<OBJECT>) to see summarized info.
+    * inspect(<OBJECT>, methods=True) to see methods.
+    * inspect(<OBJECT>, help=True) to see full (non-abbreviated) help.
+    * inspect(<OBJECT>, private=True) to see private attributes (single underscore).
+    * inspect(<OBJECT>, dunder=True) to see attributes beginning with double underscore.
+    * inspect(<OBJECT>, all=True) to see all attributes.
+
+    Args:
+        obj (Any): An object to inspect.
+        title (str, optional): Title to display over inspect result, or None use type. Defaults to None.
+        help (bool, optional): Show full help text rather than just first paragraph. Defaults to False.
+        methods (bool, optional): Enable inspection of callables. Defaults to False.
+        docs (bool, optional): Also render doc strings. Defaults to True.
+        private (bool, optional): Show private attributes (beginning with underscore). Defaults to False.
+        dunder (bool, optional): Show attributes starting with double underscore. Defaults to False.
+        sort (bool, optional): Sort attributes alphabetically. Defaults to True.
+        all (bool, optional): Show all attributes. Defaults to False.
+        value (bool, optional): Pretty print value. Defaults to True.
+    """
+    _console = console or get_console()
+    from pip._vendor.rich._inspect import Inspect
+
+    # Special case for inspect(inspect)
+    is_inspect = obj is inspect
+
+    _inspect = Inspect(
+        obj,
+        title=title,
+        help=is_inspect or help,
+        methods=is_inspect or methods,
+        docs=is_inspect or docs,
+        private=private,
+        dunder=dunder,
+        sort=sort,
+        all=all,
+        value=value,
+    )
+    _console.print(_inspect)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    print("Hello, **World**")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/__main__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/__main__.py
new file mode 100644
index 00000000..270629fd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/__main__.py
@@ -0,0 +1,274 @@
+import colorsys
+import io
+from time import process_time
+
+from pip._vendor.rich import box
+from pip._vendor.rich.color import Color
+from pip._vendor.rich.console import Console, ConsoleOptions, Group, RenderableType, RenderResult
+from pip._vendor.rich.markdown import Markdown
+from pip._vendor.rich.measure import Measurement
+from pip._vendor.rich.pretty import Pretty
+from pip._vendor.rich.segment import Segment
+from pip._vendor.rich.style import Style
+from pip._vendor.rich.syntax import Syntax
+from pip._vendor.rich.table import Table
+from pip._vendor.rich.text import Text
+
+
+class ColorBox:
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        for y in range(0, 5):
+            for x in range(options.max_width):
+                h = x / options.max_width
+                l = 0.1 + ((y / 5) * 0.7)
+                r1, g1, b1 = colorsys.hls_to_rgb(h, l, 1.0)
+                r2, g2, b2 = colorsys.hls_to_rgb(h, l + 0.7 / 10, 1.0)
+                bgcolor = Color.from_rgb(r1 * 255, g1 * 255, b1 * 255)
+                color = Color.from_rgb(r2 * 255, g2 * 255, b2 * 255)
+                yield Segment("▄", Style(color=color, bgcolor=bgcolor))
+            yield Segment.line()
+
+    def __rich_measure__(
+        self, console: "Console", options: ConsoleOptions
+    ) -> Measurement:
+        return Measurement(1, options.max_width)
+
+
+def make_test_card() -> Table:
+    """Get a renderable that demonstrates a number of features."""
+    table = Table.grid(padding=1, pad_edge=True)
+    table.title = "Rich features"
+    table.add_column("Feature", no_wrap=True, justify="center", style="bold red")
+    table.add_column("Demonstration")
+
+    color_table = Table(
+        box=None,
+        expand=False,
+        show_header=False,
+        show_edge=False,
+        pad_edge=False,
+    )
+    color_table.add_row(
+        (
+            "✓ [bold green]4-bit color[/]\n"
+            "✓ [bold blue]8-bit color[/]\n"
+            "✓ [bold magenta]Truecolor (16.7 million)[/]\n"
+            "✓ [bold yellow]Dumb terminals[/]\n"
+            "✓ [bold cyan]Automatic color conversion"
+        ),
+        ColorBox(),
+    )
+
+    table.add_row("Colors", color_table)
+
+    table.add_row(
+        "Styles",
+        "All ansi styles: [bold]bold[/], [dim]dim[/], [italic]italic[/italic], [underline]underline[/], [strike]strikethrough[/], [reverse]reverse[/], and even [blink]blink[/].",
+    )
+
+    lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque in metus sed sapien ultricies pretium a at justo. Maecenas luctus velit et auctor maximus."
+    lorem_table = Table.grid(padding=1, collapse_padding=True)
+    lorem_table.pad_edge = False
+    lorem_table.add_row(
+        Text(lorem, justify="left", style="green"),
+        Text(lorem, justify="center", style="yellow"),
+        Text(lorem, justify="right", style="blue"),
+        Text(lorem, justify="full", style="red"),
+    )
+    table.add_row(
+        "Text",
+        Group(
+            Text.from_markup(
+                """Word wrap text. Justify [green]left[/], [yellow]center[/], [blue]right[/] or [red]full[/].\n"""
+            ),
+            lorem_table,
+        ),
+    )
+
+    def comparison(renderable1: RenderableType, renderable2: RenderableType) -> Table:
+        table = Table(show_header=False, pad_edge=False, box=None, expand=True)
+        table.add_column("1", ratio=1)
+        table.add_column("2", ratio=1)
+        table.add_row(renderable1, renderable2)
+        return table
+
+    table.add_row(
+        "Asian\nlanguage\nsupport",
+        ":flag_for_china:  该库支持中文，日文和韩文文本！\n:flag_for_japan:  ライブラリは中国語、日本語、韓国語のテキストをサポートしています\n:flag_for_south_korea:  이 라이브러리는 중국어, 일본어 및 한국어 텍스트를 지원합니다",
+    )
+
+    markup_example = (
+        "[bold magenta]Rich[/] supports a simple [i]bbcode[/i]-like [b]markup[/b] for [yellow]color[/], [underline]style[/], and emoji! "
+        ":+1: :apple: :ant: :bear: :baguette_bread: :bus: "
+    )
+    table.add_row("Markup", markup_example)
+
+    example_table = Table(
+        show_edge=False,
+        show_header=True,
+        expand=False,
+        row_styles=["none", "dim"],
+        box=box.SIMPLE,
+    )
+    example_table.add_column("[green]Date", style="green", no_wrap=True)
+    example_table.add_column("[blue]Title", style="blue")
+    example_table.add_column(
+        "[cyan]Production Budget",
+        style="cyan",
+        justify="right",
+        no_wrap=True,
+    )
+    example_table.add_column(
+        "[magenta]Box Office",
+        style="magenta",
+        justify="right",
+        no_wrap=True,
+    )
+    example_table.add_row(
+        "Dec 20, 2019",
+        "Star Wars: The Rise of Skywalker",
+        "$275,000,000",
+        "$375,126,118",
+    )
+    example_table.add_row(
+        "May 25, 2018",
+        "[b]Solo[/]: A Star Wars Story",
+        "$275,000,000",
+        "$393,151,347",
+    )
+    example_table.add_row(
+        "Dec 15, 2017",
+        "Star Wars Ep. VIII: The Last Jedi",
+        "$262,000,000",
+        "[bold]$1,332,539,889[/bold]",
+    )
+    example_table.add_row(
+        "May 19, 1999",
+        "Star Wars Ep. [b]I[/b]: [i]The phantom Menace",
+        "$115,000,000",
+        "$1,027,044,677",
+    )
+
+    table.add_row("Tables", example_table)
+
+    code = '''\
+def iter_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value'''
+
+    pretty_data = {
+        "foo": [
+            3.1427,
+            (
+                "Paul Atreides",
+                "Vladimir Harkonnen",
+                "Thufir Hawat",
+            ),
+        ],
+        "atomic": (False, True, None),
+    }
+    table.add_row(
+        "Syntax\nhighlighting\n&\npretty\nprinting",
+        comparison(
+            Syntax(code, "python3", line_numbers=True, indent_guides=True),
+            Pretty(pretty_data, indent_guides=True),
+        ),
+    )
+
+    markdown_example = """\
+# Markdown
+
+Supports much of the *markdown* __syntax__!
+
+- Headers
+- Basic formatting: **bold**, *italic*, `code`
+- Block quotes
+- Lists, and more...
+    """
+    table.add_row(
+        "Markdown", comparison("[cyan]" + markdown_example, Markdown(markdown_example))
+    )
+
+    table.add_row(
+        "+more!",
+        """Progress bars, columns, styled logging handler, tracebacks, etc...""",
+    )
+    return table
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    console = Console(
+        file=io.StringIO(),
+        force_terminal=True,
+    )
+    test_card = make_test_card()
+
+    # Print once to warm cache
+    start = process_time()
+    console.print(test_card)
+    pre_cache_taken = round((process_time() - start) * 1000.0, 1)
+
+    console.file = io.StringIO()
+
+    start = process_time()
+    console.print(test_card)
+    taken = round((process_time() - start) * 1000.0, 1)
+
+    c = Console(record=True)
+    c.print(test_card)
+
+    print(f"rendered in {pre_cache_taken}ms (cold cache)")
+    print(f"rendered in {taken}ms (warm cache)")
+
+    from pip._vendor.rich.panel import Panel
+
+    console = Console()
+
+    sponsor_message = Table.grid(padding=1)
+    sponsor_message.add_column(style="green", justify="right")
+    sponsor_message.add_column(no_wrap=True)
+
+    sponsor_message.add_row(
+        "Textualize",
+        "[u blue link=https://github.com/textualize]https://github.com/textualize",
+    )
+    sponsor_message.add_row(
+        "Twitter",
+        "[u blue link=https://twitter.com/willmcgugan]https://twitter.com/willmcgugan",
+    )
+
+    intro_message = Text.from_markup(
+        """\
+We hope you enjoy using Rich!
+
+Rich is maintained with [red]:heart:[/] by [link=https://www.textualize.io]Textualize.io[/]
+
+- Will McGugan"""
+    )
+
+    message = Table.grid(padding=2)
+    message.add_column()
+    message.add_column(no_wrap=True)
+    message.add_row(intro_message, sponsor_message)
+
+    console.print(
+        Panel.fit(
+            message,
+            box=box.ROUNDED,
+            padding=(1, 2),
+            title="[b red]Thanks for trying out Rich!",
+            border_style="bright_blue",
+        ),
+        justify="center",
+    )
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_emoji_codes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_emoji_codes.py
new file mode 100644
index 00000000..1f2877bb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_emoji_codes.py
@@ -0,0 +1,3610 @@
+EMOJI = {
+    "1st_place_medal": "🥇",
+    "2nd_place_medal": "🥈",
+    "3rd_place_medal": "🥉",
+    "ab_button_(blood_type)": "🆎",
+    "atm_sign": "🏧",
+    "a_button_(blood_type)": "🅰",
+    "afghanistan": "🇦🇫",
+    "albania": "🇦🇱",
+    "algeria": "🇩🇿",
+    "american_samoa": "🇦🇸",
+    "andorra": "🇦🇩",
+    "angola": "🇦🇴",
+    "anguilla": "🇦🇮",
+    "antarctica": "🇦🇶",
+    "antigua_&_barbuda": "🇦🇬",
+    "aquarius": "♒",
+    "argentina": "🇦🇷",
+    "aries": "♈",
+    "armenia": "🇦🇲",
+    "aruba": "🇦🇼",
+    "ascension_island": "🇦🇨",
+    "australia": "🇦🇺",
+    "austria": "🇦🇹",
+    "azerbaijan": "🇦🇿",
+    "back_arrow": "🔙",
+    "b_button_(blood_type)": "🅱",
+    "bahamas": "🇧🇸",
+    "bahrain": "🇧🇭",
+    "bangladesh": "🇧🇩",
+    "barbados": "🇧🇧",
+    "belarus": "🇧🇾",
+    "belgium": "🇧🇪",
+    "belize": "🇧🇿",
+    "benin": "🇧🇯",
+    "bermuda": "🇧🇲",
+    "bhutan": "🇧🇹",
+    "bolivia": "🇧🇴",
+    "bosnia_&_herzegovina": "🇧🇦",
+    "botswana": "🇧🇼",
+    "bouvet_island": "🇧🇻",
+    "brazil": "🇧🇷",
+    "british_indian_ocean_territory": "🇮🇴",
+    "british_virgin_islands": "🇻🇬",
+    "brunei": "🇧🇳",
+    "bulgaria": "🇧🇬",
+    "burkina_faso": "🇧🇫",
+    "burundi": "🇧🇮",
+    "cl_button": "🆑",
+    "cool_button": "🆒",
+    "cambodia": "🇰🇭",
+    "cameroon": "🇨🇲",
+    "canada": "🇨🇦",
+    "canary_islands": "🇮🇨",
+    "cancer": "♋",
+    "cape_verde": "🇨🇻",
+    "capricorn": "♑",
+    "caribbean_netherlands": "🇧🇶",
+    "cayman_islands": "🇰🇾",
+    "central_african_republic": "🇨🇫",
+    "ceuta_&_melilla": "🇪🇦",
+    "chad": "🇹🇩",
+    "chile": "🇨🇱",
+    "china": "🇨🇳",
+    "christmas_island": "🇨🇽",
+    "christmas_tree": "🎄",
+    "clipperton_island": "🇨🇵",
+    "cocos_(keeling)_islands": "🇨🇨",
+    "colombia": "🇨🇴",
+    "comoros": "🇰🇲",
+    "congo_-_brazzaville": "🇨🇬",
+    "congo_-_kinshasa": "🇨🇩",
+    "cook_islands": "🇨🇰",
+    "costa_rica": "🇨🇷",
+    "croatia": "🇭🇷",
+    "cuba": "🇨🇺",
+    "curaçao": "🇨🇼",
+    "cyprus": "🇨🇾",
+    "czechia": "🇨🇿",
+    "côte_d’ivoire": "🇨🇮",
+    "denmark": "🇩🇰",
+    "diego_garcia": "🇩🇬",
+    "djibouti": "🇩🇯",
+    "dominica": "🇩🇲",
+    "dominican_republic": "🇩🇴",
+    "end_arrow": "🔚",
+    "ecuador": "🇪🇨",
+    "egypt": "🇪🇬",
+    "el_salvador": "🇸🇻",
+    "england": "🏴\U000e0067\U000e0062\U000e0065\U000e006e\U000e0067\U000e007f",
+    "equatorial_guinea": "🇬🇶",
+    "eritrea": "🇪🇷",
+    "estonia": "🇪🇪",
+    "ethiopia": "🇪🇹",
+    "european_union": "🇪🇺",
+    "free_button": "🆓",
+    "falkland_islands": "🇫🇰",
+    "faroe_islands": "🇫🇴",
+    "fiji": "🇫🇯",
+    "finland": "🇫🇮",
+    "france": "🇫🇷",
+    "french_guiana": "🇬🇫",
+    "french_polynesia": "🇵🇫",
+    "french_southern_territories": "🇹🇫",
+    "gabon": "🇬🇦",
+    "gambia": "🇬🇲",
+    "gemini": "♊",
+    "georgia": "🇬🇪",
+    "germany": "🇩🇪",
+    "ghana": "🇬🇭",
+    "gibraltar": "🇬🇮",
+    "greece": "🇬🇷",
+    "greenland": "🇬🇱",
+    "grenada": "🇬🇩",
+    "guadeloupe": "🇬🇵",
+    "guam": "🇬🇺",
+    "guatemala": "🇬🇹",
+    "guernsey": "🇬🇬",
+    "guinea": "🇬🇳",
+    "guinea-bissau": "🇬🇼",
+    "guyana": "🇬🇾",
+    "haiti": "🇭🇹",
+    "heard_&_mcdonald_islands": "🇭🇲",
+    "honduras": "🇭🇳",
+    "hong_kong_sar_china": "🇭🇰",
+    "hungary": "🇭🇺",
+    "id_button": "🆔",
+    "iceland": "🇮🇸",
+    "india": "🇮🇳",
+    "indonesia": "🇮🇩",
+    "iran": "🇮🇷",
+    "iraq": "🇮🇶",
+    "ireland": "🇮🇪",
+    "isle_of_man": "🇮🇲",
+    "israel": "🇮🇱",
+    "italy": "🇮🇹",
+    "jamaica": "🇯🇲",
+    "japan": "🗾",
+    "japanese_acceptable_button": "🉑",
+    "japanese_application_button": "🈸",
+    "japanese_bargain_button": "🉐",
+    "japanese_castle": "🏯",
+    "japanese_congratulations_button": "㊗",
+    "japanese_discount_button": "🈹",
+    "japanese_dolls": "🎎",
+    "japanese_free_of_charge_button": "🈚",
+    "japanese_here_button": "🈁",
+    "japanese_monthly_amount_button": "🈷",
+    "japanese_no_vacancy_button": "🈵",
+    "japanese_not_free_of_charge_button": "🈶",
+    "japanese_open_for_business_button": "🈺",
+    "japanese_passing_grade_button": "🈴",
+    "japanese_post_office": "🏣",
+    "japanese_prohibited_button": "🈲",
+    "japanese_reserved_button": "🈯",
+    "japanese_secret_button": "㊙",
+    "japanese_service_charge_button": "🈂",
+    "japanese_symbol_for_beginner": "🔰",
+    "japanese_vacancy_button": "🈳",
+    "jersey": "🇯🇪",
+    "jordan": "🇯🇴",
+    "kazakhstan": "🇰🇿",
+    "kenya": "🇰🇪",
+    "kiribati": "🇰🇮",
+    "kosovo": "🇽🇰",
+    "kuwait": "🇰🇼",
+    "kyrgyzstan": "🇰🇬",
+    "laos": "🇱🇦",
+    "latvia": "🇱🇻",
+    "lebanon": "🇱🇧",
+    "leo": "♌",
+    "lesotho": "🇱🇸",
+    "liberia": "🇱🇷",
+    "libra": "♎",
+    "libya": "🇱🇾",
+    "liechtenstein": "🇱🇮",
+    "lithuania": "🇱🇹",
+    "luxembourg": "🇱🇺",
+    "macau_sar_china": "🇲🇴",
+    "macedonia": "🇲🇰",
+    "madagascar": "🇲🇬",
+    "malawi": "🇲🇼",
+    "malaysia": "🇲🇾",
+    "maldives": "🇲🇻",
+    "mali": "🇲🇱",
+    "malta": "🇲🇹",
+    "marshall_islands": "🇲🇭",
+    "martinique": "🇲🇶",
+    "mauritania": "🇲🇷",
+    "mauritius": "🇲🇺",
+    "mayotte": "🇾🇹",
+    "mexico": "🇲🇽",
+    "micronesia": "🇫🇲",
+    "moldova": "🇲🇩",
+    "monaco": "🇲🇨",
+    "mongolia": "🇲🇳",
+    "montenegro": "🇲🇪",
+    "montserrat": "🇲🇸",
+    "morocco": "🇲🇦",
+    "mozambique": "🇲🇿",
+    "mrs._claus": "🤶",
+    "mrs._claus_dark_skin_tone": "🤶🏿",
+    "mrs._claus_light_skin_tone": "🤶🏻",
+    "mrs._claus_medium-dark_skin_tone": "🤶🏾",
+    "mrs._claus_medium-light_skin_tone": "🤶🏼",
+    "mrs._claus_medium_skin_tone": "🤶🏽",
+    "myanmar_(burma)": "🇲🇲",
+    "new_button": "🆕",
+    "ng_button": "🆖",
+    "namibia": "🇳🇦",
+    "nauru": "🇳🇷",
+    "nepal": "🇳🇵",
+    "netherlands": "🇳🇱",
+    "new_caledonia": "🇳🇨",
+    "new_zealand": "🇳🇿",
+    "nicaragua": "🇳🇮",
+    "niger": "🇳🇪",
+    "nigeria": "🇳🇬",
+    "niue": "🇳🇺",
+    "norfolk_island": "🇳🇫",
+    "north_korea": "🇰🇵",
+    "northern_mariana_islands": "🇲🇵",
+    "norway": "🇳🇴",
+    "ok_button": "🆗",
+    "ok_hand": "👌",
+    "ok_hand_dark_skin_tone": "👌🏿",
+    "ok_hand_light_skin_tone": "👌🏻",
+    "ok_hand_medium-dark_skin_tone": "👌🏾",
+    "ok_hand_medium-light_skin_tone": "👌🏼",
+    "ok_hand_medium_skin_tone": "👌🏽",
+    "on!_arrow": "🔛",
+    "o_button_(blood_type)": "🅾",
+    "oman": "🇴🇲",
+    "ophiuchus": "⛎",
+    "p_button": "🅿",
+    "pakistan": "🇵🇰",
+    "palau": "🇵🇼",
+    "palestinian_territories": "🇵🇸",
+    "panama": "🇵🇦",
+    "papua_new_guinea": "🇵🇬",
+    "paraguay": "🇵🇾",
+    "peru": "🇵🇪",
+    "philippines": "🇵🇭",
+    "pisces": "♓",
+    "pitcairn_islands": "🇵🇳",
+    "poland": "🇵🇱",
+    "portugal": "🇵🇹",
+    "puerto_rico": "🇵🇷",
+    "qatar": "🇶🇦",
+    "romania": "🇷🇴",
+    "russia": "🇷🇺",
+    "rwanda": "🇷🇼",
+    "réunion": "🇷🇪",
+    "soon_arrow": "🔜",
+    "sos_button": "🆘",
+    "sagittarius": "♐",
+    "samoa": "🇼🇸",
+    "san_marino": "🇸🇲",
+    "santa_claus": "🎅",
+    "santa_claus_dark_skin_tone": "🎅🏿",
+    "santa_claus_light_skin_tone": "🎅🏻",
+    "santa_claus_medium-dark_skin_tone": "🎅🏾",
+    "santa_claus_medium-light_skin_tone": "🎅🏼",
+    "santa_claus_medium_skin_tone": "🎅🏽",
+    "saudi_arabia": "🇸🇦",
+    "scorpio": "♏",
+    "scotland": "🏴\U000e0067\U000e0062\U000e0073\U000e0063\U000e0074\U000e007f",
+    "senegal": "🇸🇳",
+    "serbia": "🇷🇸",
+    "seychelles": "🇸🇨",
+    "sierra_leone": "🇸🇱",
+    "singapore": "🇸🇬",
+    "sint_maarten": "🇸🇽",
+    "slovakia": "🇸🇰",
+    "slovenia": "🇸🇮",
+    "solomon_islands": "🇸🇧",
+    "somalia": "🇸🇴",
+    "south_africa": "🇿🇦",
+    "south_georgia_&_south_sandwich_islands": "🇬🇸",
+    "south_korea": "🇰🇷",
+    "south_sudan": "🇸🇸",
+    "spain": "🇪🇸",
+    "sri_lanka": "🇱🇰",
+    "st._barthélemy": "🇧🇱",
+    "st._helena": "🇸🇭",
+    "st._kitts_&_nevis": "🇰🇳",
+    "st._lucia": "🇱🇨",
+    "st._martin": "🇲🇫",
+    "st._pierre_&_miquelon": "🇵🇲",
+    "st._vincent_&_grenadines": "🇻🇨",
+    "statue_of_liberty": "🗽",
+    "sudan": "🇸🇩",
+    "suriname": "🇸🇷",
+    "svalbard_&_jan_mayen": "🇸🇯",
+    "swaziland": "🇸🇿",
+    "sweden": "🇸🇪",
+    "switzerland": "🇨🇭",
+    "syria": "🇸🇾",
+    "são_tomé_&_príncipe": "🇸🇹",
+    "t-rex": "🦖",
+    "top_arrow": "🔝",
+    "taiwan": "🇹🇼",
+    "tajikistan": "🇹🇯",
+    "tanzania": "🇹🇿",
+    "taurus": "♉",
+    "thailand": "🇹🇭",
+    "timor-leste": "🇹🇱",
+    "togo": "🇹🇬",
+    "tokelau": "🇹🇰",
+    "tokyo_tower": "🗼",
+    "tonga": "🇹🇴",
+    "trinidad_&_tobago": "🇹🇹",
+    "tristan_da_cunha": "🇹🇦",
+    "tunisia": "🇹🇳",
+    "turkey": "🦃",
+    "turkmenistan": "🇹🇲",
+    "turks_&_caicos_islands": "🇹🇨",
+    "tuvalu": "🇹🇻",
+    "u.s._outlying_islands": "🇺🇲",
+    "u.s._virgin_islands": "🇻🇮",
+    "up!_button": "🆙",
+    "uganda": "🇺🇬",
+    "ukraine": "🇺🇦",
+    "united_arab_emirates": "🇦🇪",
+    "united_kingdom": "🇬🇧",
+    "united_nations": "🇺🇳",
+    "united_states": "🇺🇸",
+    "uruguay": "🇺🇾",
+    "uzbekistan": "🇺🇿",
+    "vs_button": "🆚",
+    "vanuatu": "🇻🇺",
+    "vatican_city": "🇻🇦",
+    "venezuela": "🇻🇪",
+    "vietnam": "🇻🇳",
+    "virgo": "♍",
+    "wales": "🏴\U000e0067\U000e0062\U000e0077\U000e006c\U000e0073\U000e007f",
+    "wallis_&_futuna": "🇼🇫",
+    "western_sahara": "🇪🇭",
+    "yemen": "🇾🇪",
+    "zambia": "🇿🇲",
+    "zimbabwe": "🇿🇼",
+    "abacus": "🧮",
+    "adhesive_bandage": "🩹",
+    "admission_tickets": "🎟",
+    "adult": "🧑",
+    "adult_dark_skin_tone": "🧑🏿",
+    "adult_light_skin_tone": "🧑🏻",
+    "adult_medium-dark_skin_tone": "🧑🏾",
+    "adult_medium-light_skin_tone": "🧑🏼",
+    "adult_medium_skin_tone": "🧑🏽",
+    "aerial_tramway": "🚡",
+    "airplane": "✈",
+    "airplane_arrival": "🛬",
+    "airplane_departure": "🛫",
+    "alarm_clock": "⏰",
+    "alembic": "⚗",
+    "alien": "👽",
+    "alien_monster": "👾",
+    "ambulance": "🚑",
+    "american_football": "🏈",
+    "amphora": "🏺",
+    "anchor": "⚓",
+    "anger_symbol": "💢",
+    "angry_face": "😠",
+    "angry_face_with_horns": "👿",
+    "anguished_face": "😧",
+    "ant": "🐜",
+    "antenna_bars": "📶",
+    "anxious_face_with_sweat": "😰",
+    "articulated_lorry": "🚛",
+    "artist_palette": "🎨",
+    "astonished_face": "😲",
+    "atom_symbol": "⚛",
+    "auto_rickshaw": "🛺",
+    "automobile": "🚗",
+    "avocado": "🥑",
+    "axe": "🪓",
+    "baby": "👶",
+    "baby_angel": "👼",
+    "baby_angel_dark_skin_tone": "👼🏿",
+    "baby_angel_light_skin_tone": "👼🏻",
+    "baby_angel_medium-dark_skin_tone": "👼🏾",
+    "baby_angel_medium-light_skin_tone": "👼🏼",
+    "baby_angel_medium_skin_tone": "👼🏽",
+    "baby_bottle": "🍼",
+    "baby_chick": "🐤",
+    "baby_dark_skin_tone": "👶🏿",
+    "baby_light_skin_tone": "👶🏻",
+    "baby_medium-dark_skin_tone": "👶🏾",
+    "baby_medium-light_skin_tone": "👶🏼",
+    "baby_medium_skin_tone": "👶🏽",
+    "baby_symbol": "🚼",
+    "backhand_index_pointing_down": "👇",
+    "backhand_index_pointing_down_dark_skin_tone": "👇🏿",
+    "backhand_index_pointing_down_light_skin_tone": "👇🏻",
+    "backhand_index_pointing_down_medium-dark_skin_tone": "👇🏾",
+    "backhand_index_pointing_down_medium-light_skin_tone": "👇🏼",
+    "backhand_index_pointing_down_medium_skin_tone": "👇🏽",
+    "backhand_index_pointing_left": "👈",
+    "backhand_index_pointing_left_dark_skin_tone": "👈🏿",
+    "backhand_index_pointing_left_light_skin_tone": "👈🏻",
+    "backhand_index_pointing_left_medium-dark_skin_tone": "👈🏾",
+    "backhand_index_pointing_left_medium-light_skin_tone": "👈🏼",
+    "backhand_index_pointing_left_medium_skin_tone": "👈🏽",
+    "backhand_index_pointing_right": "👉",
+    "backhand_index_pointing_right_dark_skin_tone": "👉🏿",
+    "backhand_index_pointing_right_light_skin_tone": "👉🏻",
+    "backhand_index_pointing_right_medium-dark_skin_tone": "👉🏾",
+    "backhand_index_pointing_right_medium-light_skin_tone": "👉🏼",
+    "backhand_index_pointing_right_medium_skin_tone": "👉🏽",
+    "backhand_index_pointing_up": "👆",
+    "backhand_index_pointing_up_dark_skin_tone": "👆🏿",
+    "backhand_index_pointing_up_light_skin_tone": "👆🏻",
+    "backhand_index_pointing_up_medium-dark_skin_tone": "👆🏾",
+    "backhand_index_pointing_up_medium-light_skin_tone": "👆🏼",
+    "backhand_index_pointing_up_medium_skin_tone": "👆🏽",
+    "bacon": "🥓",
+    "badger": "🦡",
+    "badminton": "🏸",
+    "bagel": "🥯",
+    "baggage_claim": "🛄",
+    "baguette_bread": "🥖",
+    "balance_scale": "⚖",
+    "bald": "🦲",
+    "bald_man": "👨\u200d🦲",
+    "bald_woman": "👩\u200d🦲",
+    "ballet_shoes": "🩰",
+    "balloon": "🎈",
+    "ballot_box_with_ballot": "🗳",
+    "ballot_box_with_check": "☑",
+    "banana": "🍌",
+    "banjo": "🪕",
+    "bank": "🏦",
+    "bar_chart": "📊",
+    "barber_pole": "💈",
+    "baseball": "⚾",
+    "basket": "🧺",
+    "basketball": "🏀",
+    "bat": "🦇",
+    "bathtub": "🛁",
+    "battery": "🔋",
+    "beach_with_umbrella": "🏖",
+    "beaming_face_with_smiling_eyes": "😁",
+    "bear_face": "🐻",
+    "bearded_person": "🧔",
+    "bearded_person_dark_skin_tone": "🧔🏿",
+    "bearded_person_light_skin_tone": "🧔🏻",
+    "bearded_person_medium-dark_skin_tone": "🧔🏾",
+    "bearded_person_medium-light_skin_tone": "🧔🏼",
+    "bearded_person_medium_skin_tone": "🧔🏽",
+    "beating_heart": "💓",
+    "bed": "🛏",
+    "beer_mug": "🍺",
+    "bell": "🔔",
+    "bell_with_slash": "🔕",
+    "bellhop_bell": "🛎",
+    "bento_box": "🍱",
+    "beverage_box": "🧃",
+    "bicycle": "🚲",
+    "bikini": "👙",
+    "billed_cap": "🧢",
+    "biohazard": "☣",
+    "bird": "🐦",
+    "birthday_cake": "🎂",
+    "black_circle": "⚫",
+    "black_flag": "🏴",
+    "black_heart": "🖤",
+    "black_large_square": "⬛",
+    "black_medium-small_square": "◾",
+    "black_medium_square": "◼",
+    "black_nib": "✒",
+    "black_small_square": "▪",
+    "black_square_button": "🔲",
+    "blond-haired_man": "👱\u200d♂️",
+    "blond-haired_man_dark_skin_tone": "👱🏿\u200d♂️",
+    "blond-haired_man_light_skin_tone": "👱🏻\u200d♂️",
+    "blond-haired_man_medium-dark_skin_tone": "👱🏾\u200d♂️",
+    "blond-haired_man_medium-light_skin_tone": "👱🏼\u200d♂️",
+    "blond-haired_man_medium_skin_tone": "👱🏽\u200d♂️",
+    "blond-haired_person": "👱",
+    "blond-haired_person_dark_skin_tone": "👱🏿",
+    "blond-haired_person_light_skin_tone": "👱🏻",
+    "blond-haired_person_medium-dark_skin_tone": "👱🏾",
+    "blond-haired_person_medium-light_skin_tone": "👱🏼",
+    "blond-haired_person_medium_skin_tone": "👱🏽",
+    "blond-haired_woman": "👱\u200d♀️",
+    "blond-haired_woman_dark_skin_tone": "👱🏿\u200d♀️",
+    "blond-haired_woman_light_skin_tone": "👱🏻\u200d♀️",
+    "blond-haired_woman_medium-dark_skin_tone": "👱🏾\u200d♀️",
+    "blond-haired_woman_medium-light_skin_tone": "👱🏼\u200d♀️",
+    "blond-haired_woman_medium_skin_tone": "👱🏽\u200d♀️",
+    "blossom": "🌼",
+    "blowfish": "🐡",
+    "blue_book": "📘",
+    "blue_circle": "🔵",
+    "blue_heart": "💙",
+    "blue_square": "🟦",
+    "boar": "🐗",
+    "bomb": "💣",
+    "bone": "🦴",
+    "bookmark": "🔖",
+    "bookmark_tabs": "📑",
+    "books": "📚",
+    "bottle_with_popping_cork": "🍾",
+    "bouquet": "💐",
+    "bow_and_arrow": "🏹",
+    "bowl_with_spoon": "🥣",
+    "bowling": "🎳",
+    "boxing_glove": "🥊",
+    "boy": "👦",
+    "boy_dark_skin_tone": "👦🏿",
+    "boy_light_skin_tone": "👦🏻",
+    "boy_medium-dark_skin_tone": "👦🏾",
+    "boy_medium-light_skin_tone": "👦🏼",
+    "boy_medium_skin_tone": "👦🏽",
+    "brain": "🧠",
+    "bread": "🍞",
+    "breast-feeding": "🤱",
+    "breast-feeding_dark_skin_tone": "🤱🏿",
+    "breast-feeding_light_skin_tone": "🤱🏻",
+    "breast-feeding_medium-dark_skin_tone": "🤱🏾",
+    "breast-feeding_medium-light_skin_tone": "🤱🏼",
+    "breast-feeding_medium_skin_tone": "🤱🏽",
+    "brick": "🧱",
+    "bride_with_veil": "👰",
+    "bride_with_veil_dark_skin_tone": "👰🏿",
+    "bride_with_veil_light_skin_tone": "👰🏻",
+    "bride_with_veil_medium-dark_skin_tone": "👰🏾",
+    "bride_with_veil_medium-light_skin_tone": "👰🏼",
+    "bride_with_veil_medium_skin_tone": "👰🏽",
+    "bridge_at_night": "🌉",
+    "briefcase": "💼",
+    "briefs": "🩲",
+    "bright_button": "🔆",
+    "broccoli": "🥦",
+    "broken_heart": "💔",
+    "broom": "🧹",
+    "brown_circle": "🟤",
+    "brown_heart": "🤎",
+    "brown_square": "🟫",
+    "bug": "🐛",
+    "building_construction": "🏗",
+    "bullet_train": "🚅",
+    "burrito": "🌯",
+    "bus": "🚌",
+    "bus_stop": "🚏",
+    "bust_in_silhouette": "👤",
+    "busts_in_silhouette": "👥",
+    "butter": "🧈",
+    "butterfly": "🦋",
+    "cactus": "🌵",
+    "calendar": "📆",
+    "call_me_hand": "🤙",
+    "call_me_hand_dark_skin_tone": "🤙🏿",
+    "call_me_hand_light_skin_tone": "🤙🏻",
+    "call_me_hand_medium-dark_skin_tone": "🤙🏾",
+    "call_me_hand_medium-light_skin_tone": "🤙🏼",
+    "call_me_hand_medium_skin_tone": "🤙🏽",
+    "camel": "🐫",
+    "camera": "📷",
+    "camera_with_flash": "📸",
+    "camping": "🏕",
+    "candle": "🕯",
+    "candy": "🍬",
+    "canned_food": "🥫",
+    "canoe": "🛶",
+    "card_file_box": "🗃",
+    "card_index": "📇",
+    "card_index_dividers": "🗂",
+    "carousel_horse": "🎠",
+    "carp_streamer": "🎏",
+    "carrot": "🥕",
+    "castle": "🏰",
+    "cat": "🐱",
+    "cat_face": "🐱",
+    "cat_face_with_tears_of_joy": "😹",
+    "cat_face_with_wry_smile": "😼",
+    "chains": "⛓",
+    "chair": "🪑",
+    "chart_decreasing": "📉",
+    "chart_increasing": "📈",
+    "chart_increasing_with_yen": "💹",
+    "cheese_wedge": "🧀",
+    "chequered_flag": "🏁",
+    "cherries": "🍒",
+    "cherry_blossom": "🌸",
+    "chess_pawn": "♟",
+    "chestnut": "🌰",
+    "chicken": "🐔",
+    "child": "🧒",
+    "child_dark_skin_tone": "🧒🏿",
+    "child_light_skin_tone": "🧒🏻",
+    "child_medium-dark_skin_tone": "🧒🏾",
+    "child_medium-light_skin_tone": "🧒🏼",
+    "child_medium_skin_tone": "🧒🏽",
+    "children_crossing": "🚸",
+    "chipmunk": "🐿",
+    "chocolate_bar": "🍫",
+    "chopsticks": "🥢",
+    "church": "⛪",
+    "cigarette": "🚬",
+    "cinema": "🎦",
+    "circled_m": "Ⓜ",
+    "circus_tent": "🎪",
+    "cityscape": "🏙",
+    "cityscape_at_dusk": "🌆",
+    "clamp": "🗜",
+    "clapper_board": "🎬",
+    "clapping_hands": "👏",
+    "clapping_hands_dark_skin_tone": "👏🏿",
+    "clapping_hands_light_skin_tone": "👏🏻",
+    "clapping_hands_medium-dark_skin_tone": "👏🏾",
+    "clapping_hands_medium-light_skin_tone": "👏🏼",
+    "clapping_hands_medium_skin_tone": "👏🏽",
+    "classical_building": "🏛",
+    "clinking_beer_mugs": "🍻",
+    "clinking_glasses": "🥂",
+    "clipboard": "📋",
+    "clockwise_vertical_arrows": "🔃",
+    "closed_book": "📕",
+    "closed_mailbox_with_lowered_flag": "📪",
+    "closed_mailbox_with_raised_flag": "📫",
+    "closed_umbrella": "🌂",
+    "cloud": "☁",
+    "cloud_with_lightning": "🌩",
+    "cloud_with_lightning_and_rain": "⛈",
+    "cloud_with_rain": "🌧",
+    "cloud_with_snow": "🌨",
+    "clown_face": "🤡",
+    "club_suit": "♣",
+    "clutch_bag": "👝",
+    "coat": "🧥",
+    "cocktail_glass": "🍸",
+    "coconut": "🥥",
+    "coffin": "⚰",
+    "cold_face": "🥶",
+    "collision": "💥",
+    "comet": "☄",
+    "compass": "🧭",
+    "computer_disk": "💽",
+    "computer_mouse": "🖱",
+    "confetti_ball": "🎊",
+    "confounded_face": "😖",
+    "confused_face": "😕",
+    "construction": "🚧",
+    "construction_worker": "👷",
+    "construction_worker_dark_skin_tone": "👷🏿",
+    "construction_worker_light_skin_tone": "👷🏻",
+    "construction_worker_medium-dark_skin_tone": "👷🏾",
+    "construction_worker_medium-light_skin_tone": "👷🏼",
+    "construction_worker_medium_skin_tone": "👷🏽",
+    "control_knobs": "🎛",
+    "convenience_store": "🏪",
+    "cooked_rice": "🍚",
+    "cookie": "🍪",
+    "cooking": "🍳",
+    "copyright": "©",
+    "couch_and_lamp": "🛋",
+    "counterclockwise_arrows_button": "🔄",
+    "couple_with_heart": "💑",
+    "couple_with_heart_man_man": "👨\u200d❤️\u200d👨",
+    "couple_with_heart_woman_man": "👩\u200d❤️\u200d👨",
+    "couple_with_heart_woman_woman": "👩\u200d❤️\u200d👩",
+    "cow": "🐮",
+    "cow_face": "🐮",
+    "cowboy_hat_face": "🤠",
+    "crab": "🦀",
+    "crayon": "🖍",
+    "credit_card": "💳",
+    "crescent_moon": "🌙",
+    "cricket": "🦗",
+    "cricket_game": "🏏",
+    "crocodile": "🐊",
+    "croissant": "🥐",
+    "cross_mark": "❌",
+    "cross_mark_button": "❎",
+    "crossed_fingers": "🤞",
+    "crossed_fingers_dark_skin_tone": "🤞🏿",
+    "crossed_fingers_light_skin_tone": "🤞🏻",
+    "crossed_fingers_medium-dark_skin_tone": "🤞🏾",
+    "crossed_fingers_medium-light_skin_tone": "🤞🏼",
+    "crossed_fingers_medium_skin_tone": "🤞🏽",
+    "crossed_flags": "🎌",
+    "crossed_swords": "⚔",
+    "crown": "👑",
+    "crying_cat_face": "😿",
+    "crying_face": "😢",
+    "crystal_ball": "🔮",
+    "cucumber": "🥒",
+    "cupcake": "🧁",
+    "cup_with_straw": "🥤",
+    "curling_stone": "🥌",
+    "curly_hair": "🦱",
+    "curly-haired_man": "👨\u200d🦱",
+    "curly-haired_woman": "👩\u200d🦱",
+    "curly_loop": "➰",
+    "currency_exchange": "💱",
+    "curry_rice": "🍛",
+    "custard": "🍮",
+    "customs": "🛃",
+    "cut_of_meat": "🥩",
+    "cyclone": "🌀",
+    "dagger": "🗡",
+    "dango": "🍡",
+    "dashing_away": "💨",
+    "deaf_person": "🧏",
+    "deciduous_tree": "🌳",
+    "deer": "🦌",
+    "delivery_truck": "🚚",
+    "department_store": "🏬",
+    "derelict_house": "🏚",
+    "desert": "🏜",
+    "desert_island": "🏝",
+    "desktop_computer": "🖥",
+    "detective": "🕵",
+    "detective_dark_skin_tone": "🕵🏿",
+    "detective_light_skin_tone": "🕵🏻",
+    "detective_medium-dark_skin_tone": "🕵🏾",
+    "detective_medium-light_skin_tone": "🕵🏼",
+    "detective_medium_skin_tone": "🕵🏽",
+    "diamond_suit": "♦",
+    "diamond_with_a_dot": "💠",
+    "dim_button": "🔅",
+    "direct_hit": "🎯",
+    "disappointed_face": "😞",
+    "diving_mask": "🤿",
+    "diya_lamp": "🪔",
+    "dizzy": "💫",
+    "dizzy_face": "😵",
+    "dna": "🧬",
+    "dog": "🐶",
+    "dog_face": "🐶",
+    "dollar_banknote": "💵",
+    "dolphin": "🐬",
+    "door": "🚪",
+    "dotted_six-pointed_star": "🔯",
+    "double_curly_loop": "➿",
+    "double_exclamation_mark": "‼",
+    "doughnut": "🍩",
+    "dove": "🕊",
+    "down-left_arrow": "↙",
+    "down-right_arrow": "↘",
+    "down_arrow": "⬇",
+    "downcast_face_with_sweat": "😓",
+    "downwards_button": "🔽",
+    "dragon": "🐉",
+    "dragon_face": "🐲",
+    "dress": "👗",
+    "drooling_face": "🤤",
+    "drop_of_blood": "🩸",
+    "droplet": "💧",
+    "drum": "🥁",
+    "duck": "🦆",
+    "dumpling": "🥟",
+    "dvd": "📀",
+    "e-mail": "📧",
+    "eagle": "🦅",
+    "ear": "👂",
+    "ear_dark_skin_tone": "👂🏿",
+    "ear_light_skin_tone": "👂🏻",
+    "ear_medium-dark_skin_tone": "👂🏾",
+    "ear_medium-light_skin_tone": "👂🏼",
+    "ear_medium_skin_tone": "👂🏽",
+    "ear_of_corn": "🌽",
+    "ear_with_hearing_aid": "🦻",
+    "egg": "🍳",
+    "eggplant": "🍆",
+    "eight-pointed_star": "✴",
+    "eight-spoked_asterisk": "✳",
+    "eight-thirty": "🕣",
+    "eight_o’clock": "🕗",
+    "eject_button": "⏏",
+    "electric_plug": "🔌",
+    "elephant": "🐘",
+    "eleven-thirty": "🕦",
+    "eleven_o’clock": "🕚",
+    "elf": "🧝",
+    "elf_dark_skin_tone": "🧝🏿",
+    "elf_light_skin_tone": "🧝🏻",
+    "elf_medium-dark_skin_tone": "🧝🏾",
+    "elf_medium-light_skin_tone": "🧝🏼",
+    "elf_medium_skin_tone": "🧝🏽",
+    "envelope": "✉",
+    "envelope_with_arrow": "📩",
+    "euro_banknote": "💶",
+    "evergreen_tree": "🌲",
+    "ewe": "🐑",
+    "exclamation_mark": "❗",
+    "exclamation_question_mark": "⁉",
+    "exploding_head": "🤯",
+    "expressionless_face": "😑",
+    "eye": "👁",
+    "eye_in_speech_bubble": "👁️\u200d🗨️",
+    "eyes": "👀",
+    "face_blowing_a_kiss": "😘",
+    "face_savoring_food": "😋",
+    "face_screaming_in_fear": "😱",
+    "face_vomiting": "🤮",
+    "face_with_hand_over_mouth": "🤭",
+    "face_with_head-bandage": "🤕",
+    "face_with_medical_mask": "😷",
+    "face_with_monocle": "🧐",
+    "face_with_open_mouth": "😮",
+    "face_with_raised_eyebrow": "🤨",
+    "face_with_rolling_eyes": "🙄",
+    "face_with_steam_from_nose": "😤",
+    "face_with_symbols_on_mouth": "🤬",
+    "face_with_tears_of_joy": "😂",
+    "face_with_thermometer": "🤒",
+    "face_with_tongue": "😛",
+    "face_without_mouth": "😶",
+    "factory": "🏭",
+    "fairy": "🧚",
+    "fairy_dark_skin_tone": "🧚🏿",
+    "fairy_light_skin_tone": "🧚🏻",
+    "fairy_medium-dark_skin_tone": "🧚🏾",
+    "fairy_medium-light_skin_tone": "🧚🏼",
+    "fairy_medium_skin_tone": "🧚🏽",
+    "falafel": "🧆",
+    "fallen_leaf": "🍂",
+    "family": "👪",
+    "family_man_boy": "👨\u200d👦",
+    "family_man_boy_boy": "👨\u200d👦\u200d👦",
+    "family_man_girl": "👨\u200d👧",
+    "family_man_girl_boy": "👨\u200d👧\u200d👦",
+    "family_man_girl_girl": "👨\u200d👧\u200d👧",
+    "family_man_man_boy": "👨\u200d👨\u200d👦",
+    "family_man_man_boy_boy": "👨\u200d👨\u200d👦\u200d👦",
+    "family_man_man_girl": "👨\u200d👨\u200d👧",
+    "family_man_man_girl_boy": "👨\u200d👨\u200d👧\u200d👦",
+    "family_man_man_girl_girl": "👨\u200d👨\u200d👧\u200d👧",
+    "family_man_woman_boy": "👨\u200d👩\u200d👦",
+    "family_man_woman_boy_boy": "👨\u200d👩\u200d👦\u200d👦",
+    "family_man_woman_girl": "👨\u200d👩\u200d👧",
+    "family_man_woman_girl_boy": "👨\u200d👩\u200d👧\u200d👦",
+    "family_man_woman_girl_girl": "👨\u200d👩\u200d👧\u200d👧",
+    "family_woman_boy": "👩\u200d👦",
+    "family_woman_boy_boy": "👩\u200d👦\u200d👦",
+    "family_woman_girl": "👩\u200d👧",
+    "family_woman_girl_boy": "👩\u200d👧\u200d👦",
+    "family_woman_girl_girl": "👩\u200d👧\u200d👧",
+    "family_woman_woman_boy": "👩\u200d👩\u200d👦",
+    "family_woman_woman_boy_boy": "👩\u200d👩\u200d👦\u200d👦",
+    "family_woman_woman_girl": "👩\u200d👩\u200d👧",
+    "family_woman_woman_girl_boy": "👩\u200d👩\u200d👧\u200d👦",
+    "family_woman_woman_girl_girl": "👩\u200d👩\u200d👧\u200d👧",
+    "fast-forward_button": "⏩",
+    "fast_down_button": "⏬",
+    "fast_reverse_button": "⏪",
+    "fast_up_button": "⏫",
+    "fax_machine": "📠",
+    "fearful_face": "😨",
+    "female_sign": "♀",
+    "ferris_wheel": "🎡",
+    "ferry": "⛴",
+    "field_hockey": "🏑",
+    "file_cabinet": "🗄",
+    "file_folder": "📁",
+    "film_frames": "🎞",
+    "film_projector": "📽",
+    "fire": "🔥",
+    "fire_extinguisher": "🧯",
+    "firecracker": "🧨",
+    "fire_engine": "🚒",
+    "fireworks": "🎆",
+    "first_quarter_moon": "🌓",
+    "first_quarter_moon_face": "🌛",
+    "fish": "🐟",
+    "fish_cake_with_swirl": "🍥",
+    "fishing_pole": "🎣",
+    "five-thirty": "🕠",
+    "five_o’clock": "🕔",
+    "flag_in_hole": "⛳",
+    "flamingo": "🦩",
+    "flashlight": "🔦",
+    "flat_shoe": "🥿",
+    "fleur-de-lis": "⚜",
+    "flexed_biceps": "💪",
+    "flexed_biceps_dark_skin_tone": "💪🏿",
+    "flexed_biceps_light_skin_tone": "💪🏻",
+    "flexed_biceps_medium-dark_skin_tone": "💪🏾",
+    "flexed_biceps_medium-light_skin_tone": "💪🏼",
+    "flexed_biceps_medium_skin_tone": "💪🏽",
+    "floppy_disk": "💾",
+    "flower_playing_cards": "🎴",
+    "flushed_face": "😳",
+    "flying_disc": "🥏",
+    "flying_saucer": "🛸",
+    "fog": "🌫",
+    "foggy": "🌁",
+    "folded_hands": "🙏",
+    "folded_hands_dark_skin_tone": "🙏🏿",
+    "folded_hands_light_skin_tone": "🙏🏻",
+    "folded_hands_medium-dark_skin_tone": "🙏🏾",
+    "folded_hands_medium-light_skin_tone": "🙏🏼",
+    "folded_hands_medium_skin_tone": "🙏🏽",
+    "foot": "🦶",
+    "footprints": "👣",
+    "fork_and_knife": "🍴",
+    "fork_and_knife_with_plate": "🍽",
+    "fortune_cookie": "🥠",
+    "fountain": "⛲",
+    "fountain_pen": "🖋",
+    "four-thirty": "🕟",
+    "four_leaf_clover": "🍀",
+    "four_o’clock": "🕓",
+    "fox_face": "🦊",
+    "framed_picture": "🖼",
+    "french_fries": "🍟",
+    "fried_shrimp": "🍤",
+    "frog_face": "🐸",
+    "front-facing_baby_chick": "🐥",
+    "frowning_face": "☹",
+    "frowning_face_with_open_mouth": "😦",
+    "fuel_pump": "⛽",
+    "full_moon": "🌕",
+    "full_moon_face": "🌝",
+    "funeral_urn": "⚱",
+    "game_die": "🎲",
+    "garlic": "🧄",
+    "gear": "⚙",
+    "gem_stone": "💎",
+    "genie": "🧞",
+    "ghost": "👻",
+    "giraffe": "🦒",
+    "girl": "👧",
+    "girl_dark_skin_tone": "👧🏿",
+    "girl_light_skin_tone": "👧🏻",
+    "girl_medium-dark_skin_tone": "👧🏾",
+    "girl_medium-light_skin_tone": "👧🏼",
+    "girl_medium_skin_tone": "👧🏽",
+    "glass_of_milk": "🥛",
+    "glasses": "👓",
+    "globe_showing_americas": "🌎",
+    "globe_showing_asia-australia": "🌏",
+    "globe_showing_europe-africa": "🌍",
+    "globe_with_meridians": "🌐",
+    "gloves": "🧤",
+    "glowing_star": "🌟",
+    "goal_net": "🥅",
+    "goat": "🐐",
+    "goblin": "👺",
+    "goggles": "🥽",
+    "gorilla": "🦍",
+    "graduation_cap": "🎓",
+    "grapes": "🍇",
+    "green_apple": "🍏",
+    "green_book": "📗",
+    "green_circle": "🟢",
+    "green_heart": "💚",
+    "green_salad": "🥗",
+    "green_square": "🟩",
+    "grimacing_face": "😬",
+    "grinning_cat_face": "😺",
+    "grinning_cat_face_with_smiling_eyes": "😸",
+    "grinning_face": "😀",
+    "grinning_face_with_big_eyes": "😃",
+    "grinning_face_with_smiling_eyes": "😄",
+    "grinning_face_with_sweat": "😅",
+    "grinning_squinting_face": "😆",
+    "growing_heart": "💗",
+    "guard": "💂",
+    "guard_dark_skin_tone": "💂🏿",
+    "guard_light_skin_tone": "💂🏻",
+    "guard_medium-dark_skin_tone": "💂🏾",
+    "guard_medium-light_skin_tone": "💂🏼",
+    "guard_medium_skin_tone": "💂🏽",
+    "guide_dog": "🦮",
+    "guitar": "🎸",
+    "hamburger": "🍔",
+    "hammer": "🔨",
+    "hammer_and_pick": "⚒",
+    "hammer_and_wrench": "🛠",
+    "hamster_face": "🐹",
+    "hand_with_fingers_splayed": "🖐",
+    "hand_with_fingers_splayed_dark_skin_tone": "🖐🏿",
+    "hand_with_fingers_splayed_light_skin_tone": "🖐🏻",
+    "hand_with_fingers_splayed_medium-dark_skin_tone": "🖐🏾",
+    "hand_with_fingers_splayed_medium-light_skin_tone": "🖐🏼",
+    "hand_with_fingers_splayed_medium_skin_tone": "🖐🏽",
+    "handbag": "👜",
+    "handshake": "🤝",
+    "hatching_chick": "🐣",
+    "headphone": "🎧",
+    "hear-no-evil_monkey": "🙉",
+    "heart_decoration": "💟",
+    "heart_suit": "♥",
+    "heart_with_arrow": "💘",
+    "heart_with_ribbon": "💝",
+    "heavy_check_mark": "✔",
+    "heavy_division_sign": "➗",
+    "heavy_dollar_sign": "💲",
+    "heavy_heart_exclamation": "❣",
+    "heavy_large_circle": "⭕",
+    "heavy_minus_sign": "➖",
+    "heavy_multiplication_x": "✖",
+    "heavy_plus_sign": "➕",
+    "hedgehog": "🦔",
+    "helicopter": "🚁",
+    "herb": "🌿",
+    "hibiscus": "🌺",
+    "high-heeled_shoe": "👠",
+    "high-speed_train": "🚄",
+    "high_voltage": "⚡",
+    "hiking_boot": "🥾",
+    "hindu_temple": "🛕",
+    "hippopotamus": "🦛",
+    "hole": "🕳",
+    "honey_pot": "🍯",
+    "honeybee": "🐝",
+    "horizontal_traffic_light": "🚥",
+    "horse": "🐴",
+    "horse_face": "🐴",
+    "horse_racing": "🏇",
+    "horse_racing_dark_skin_tone": "🏇🏿",
+    "horse_racing_light_skin_tone": "🏇🏻",
+    "horse_racing_medium-dark_skin_tone": "🏇🏾",
+    "horse_racing_medium-light_skin_tone": "🏇🏼",
+    "horse_racing_medium_skin_tone": "🏇🏽",
+    "hospital": "🏥",
+    "hot_beverage": "☕",
+    "hot_dog": "🌭",
+    "hot_face": "🥵",
+    "hot_pepper": "🌶",
+    "hot_springs": "♨",
+    "hotel": "🏨",
+    "hourglass_done": "⌛",
+    "hourglass_not_done": "⏳",
+    "house": "🏠",
+    "house_with_garden": "🏡",
+    "houses": "🏘",
+    "hugging_face": "🤗",
+    "hundred_points": "💯",
+    "hushed_face": "😯",
+    "ice": "🧊",
+    "ice_cream": "🍨",
+    "ice_hockey": "🏒",
+    "ice_skate": "⛸",
+    "inbox_tray": "📥",
+    "incoming_envelope": "📨",
+    "index_pointing_up": "☝",
+    "index_pointing_up_dark_skin_tone": "☝🏿",
+    "index_pointing_up_light_skin_tone": "☝🏻",
+    "index_pointing_up_medium-dark_skin_tone": "☝🏾",
+    "index_pointing_up_medium-light_skin_tone": "☝🏼",
+    "index_pointing_up_medium_skin_tone": "☝🏽",
+    "infinity": "♾",
+    "information": "ℹ",
+    "input_latin_letters": "🔤",
+    "input_latin_lowercase": "🔡",
+    "input_latin_uppercase": "🔠",
+    "input_numbers": "🔢",
+    "input_symbols": "🔣",
+    "jack-o-lantern": "🎃",
+    "jeans": "👖",
+    "jigsaw": "🧩",
+    "joker": "🃏",
+    "joystick": "🕹",
+    "kaaba": "🕋",
+    "kangaroo": "🦘",
+    "key": "🔑",
+    "keyboard": "⌨",
+    "keycap_#": "#️⃣",
+    "keycap_*": "*️⃣",
+    "keycap_0": "0️⃣",
+    "keycap_1": "1️⃣",
+    "keycap_10": "🔟",
+    "keycap_2": "2️⃣",
+    "keycap_3": "3️⃣",
+    "keycap_4": "4️⃣",
+    "keycap_5": "5️⃣",
+    "keycap_6": "6️⃣",
+    "keycap_7": "7️⃣",
+    "keycap_8": "8️⃣",
+    "keycap_9": "9️⃣",
+    "kick_scooter": "🛴",
+    "kimono": "👘",
+    "kiss": "💋",
+    "kiss_man_man": "👨\u200d❤️\u200d💋\u200d👨",
+    "kiss_mark": "💋",
+    "kiss_woman_man": "👩\u200d❤️\u200d💋\u200d👨",
+    "kiss_woman_woman": "👩\u200d❤️\u200d💋\u200d👩",
+    "kissing_cat_face": "😽",
+    "kissing_face": "😗",
+    "kissing_face_with_closed_eyes": "😚",
+    "kissing_face_with_smiling_eyes": "😙",
+    "kitchen_knife": "🔪",
+    "kite": "🪁",
+    "kiwi_fruit": "🥝",
+    "koala": "🐨",
+    "lab_coat": "🥼",
+    "label": "🏷",
+    "lacrosse": "🥍",
+    "lady_beetle": "🐞",
+    "laptop_computer": "💻",
+    "large_blue_diamond": "🔷",
+    "large_orange_diamond": "🔶",
+    "last_quarter_moon": "🌗",
+    "last_quarter_moon_face": "🌜",
+    "last_track_button": "⏮",
+    "latin_cross": "✝",
+    "leaf_fluttering_in_wind": "🍃",
+    "leafy_green": "🥬",
+    "ledger": "📒",
+    "left-facing_fist": "🤛",
+    "left-facing_fist_dark_skin_tone": "🤛🏿",
+    "left-facing_fist_light_skin_tone": "🤛🏻",
+    "left-facing_fist_medium-dark_skin_tone": "🤛🏾",
+    "left-facing_fist_medium-light_skin_tone": "🤛🏼",
+    "left-facing_fist_medium_skin_tone": "🤛🏽",
+    "left-right_arrow": "↔",
+    "left_arrow": "⬅",
+    "left_arrow_curving_right": "↪",
+    "left_luggage": "🛅",
+    "left_speech_bubble": "🗨",
+    "leg": "🦵",
+    "lemon": "🍋",
+    "leopard": "🐆",
+    "level_slider": "🎚",
+    "light_bulb": "💡",
+    "light_rail": "🚈",
+    "link": "🔗",
+    "linked_paperclips": "🖇",
+    "lion_face": "🦁",
+    "lipstick": "💄",
+    "litter_in_bin_sign": "🚮",
+    "lizard": "🦎",
+    "llama": "🦙",
+    "lobster": "🦞",
+    "locked": "🔒",
+    "locked_with_key": "🔐",
+    "locked_with_pen": "🔏",
+    "locomotive": "🚂",
+    "lollipop": "🍭",
+    "lotion_bottle": "🧴",
+    "loudly_crying_face": "😭",
+    "loudspeaker": "📢",
+    "love-you_gesture": "🤟",
+    "love-you_gesture_dark_skin_tone": "🤟🏿",
+    "love-you_gesture_light_skin_tone": "🤟🏻",
+    "love-you_gesture_medium-dark_skin_tone": "🤟🏾",
+    "love-you_gesture_medium-light_skin_tone": "🤟🏼",
+    "love-you_gesture_medium_skin_tone": "🤟🏽",
+    "love_hotel": "🏩",
+    "love_letter": "💌",
+    "luggage": "🧳",
+    "lying_face": "🤥",
+    "mage": "🧙",
+    "mage_dark_skin_tone": "🧙🏿",
+    "mage_light_skin_tone": "🧙🏻",
+    "mage_medium-dark_skin_tone": "🧙🏾",
+    "mage_medium-light_skin_tone": "🧙🏼",
+    "mage_medium_skin_tone": "🧙🏽",
+    "magnet": "🧲",
+    "magnifying_glass_tilted_left": "🔍",
+    "magnifying_glass_tilted_right": "🔎",
+    "mahjong_red_dragon": "🀄",
+    "male_sign": "♂",
+    "man": "👨",
+    "man_and_woman_holding_hands": "👫",
+    "man_artist": "👨\u200d🎨",
+    "man_artist_dark_skin_tone": "👨🏿\u200d🎨",
+    "man_artist_light_skin_tone": "👨🏻\u200d🎨",
+    "man_artist_medium-dark_skin_tone": "👨🏾\u200d🎨",
+    "man_artist_medium-light_skin_tone": "👨🏼\u200d🎨",
+    "man_artist_medium_skin_tone": "👨🏽\u200d🎨",
+    "man_astronaut": "👨\u200d🚀",
+    "man_astronaut_dark_skin_tone": "👨🏿\u200d🚀",
+    "man_astronaut_light_skin_tone": "👨🏻\u200d🚀",
+    "man_astronaut_medium-dark_skin_tone": "👨🏾\u200d🚀",
+    "man_astronaut_medium-light_skin_tone": "👨🏼\u200d🚀",
+    "man_astronaut_medium_skin_tone": "👨🏽\u200d🚀",
+    "man_biking": "🚴\u200d♂️",
+    "man_biking_dark_skin_tone": "🚴🏿\u200d♂️",
+    "man_biking_light_skin_tone": "🚴🏻\u200d♂️",
+    "man_biking_medium-dark_skin_tone": "🚴🏾\u200d♂️",
+    "man_biking_medium-light_skin_tone": "🚴🏼\u200d♂️",
+    "man_biking_medium_skin_tone": "🚴🏽\u200d♂️",
+    "man_bouncing_ball": "⛹️\u200d♂️",
+    "man_bouncing_ball_dark_skin_tone": "⛹🏿\u200d♂️",
+    "man_bouncing_ball_light_skin_tone": "⛹🏻\u200d♂️",
+    "man_bouncing_ball_medium-dark_skin_tone": "⛹🏾\u200d♂️",
+    "man_bouncing_ball_medium-light_skin_tone": "⛹🏼\u200d♂️",
+    "man_bouncing_ball_medium_skin_tone": "⛹🏽\u200d♂️",
+    "man_bowing": "🙇\u200d♂️",
+    "man_bowing_dark_skin_tone": "🙇🏿\u200d♂️",
+    "man_bowing_light_skin_tone": "🙇🏻\u200d♂️",
+    "man_bowing_medium-dark_skin_tone": "🙇🏾\u200d♂️",
+    "man_bowing_medium-light_skin_tone": "🙇🏼\u200d♂️",
+    "man_bowing_medium_skin_tone": "🙇🏽\u200d♂️",
+    "man_cartwheeling": "🤸\u200d♂️",
+    "man_cartwheeling_dark_skin_tone": "🤸🏿\u200d♂️",
+    "man_cartwheeling_light_skin_tone": "🤸🏻\u200d♂️",
+    "man_cartwheeling_medium-dark_skin_tone": "🤸🏾\u200d♂️",
+    "man_cartwheeling_medium-light_skin_tone": "🤸🏼\u200d♂️",
+    "man_cartwheeling_medium_skin_tone": "🤸🏽\u200d♂️",
+    "man_climbing": "🧗\u200d♂️",
+    "man_climbing_dark_skin_tone": "🧗🏿\u200d♂️",
+    "man_climbing_light_skin_tone": "🧗🏻\u200d♂️",
+    "man_climbing_medium-dark_skin_tone": "🧗🏾\u200d♂️",
+    "man_climbing_medium-light_skin_tone": "🧗🏼\u200d♂️",
+    "man_climbing_medium_skin_tone": "🧗🏽\u200d♂️",
+    "man_construction_worker": "👷\u200d♂️",
+    "man_construction_worker_dark_skin_tone": "👷🏿\u200d♂️",
+    "man_construction_worker_light_skin_tone": "👷🏻\u200d♂️",
+    "man_construction_worker_medium-dark_skin_tone": "👷🏾\u200d♂️",
+    "man_construction_worker_medium-light_skin_tone": "👷🏼\u200d♂️",
+    "man_construction_worker_medium_skin_tone": "👷🏽\u200d♂️",
+    "man_cook": "👨\u200d🍳",
+    "man_cook_dark_skin_tone": "👨🏿\u200d🍳",
+    "man_cook_light_skin_tone": "👨🏻\u200d🍳",
+    "man_cook_medium-dark_skin_tone": "👨🏾\u200d🍳",
+    "man_cook_medium-light_skin_tone": "👨🏼\u200d🍳",
+    "man_cook_medium_skin_tone": "👨🏽\u200d🍳",
+    "man_dancing": "🕺",
+    "man_dancing_dark_skin_tone": "🕺🏿",
+    "man_dancing_light_skin_tone": "🕺🏻",
+    "man_dancing_medium-dark_skin_tone": "🕺🏾",
+    "man_dancing_medium-light_skin_tone": "🕺🏼",
+    "man_dancing_medium_skin_tone": "🕺🏽",
+    "man_dark_skin_tone": "👨🏿",
+    "man_detective": "🕵️\u200d♂️",
+    "man_detective_dark_skin_tone": "🕵🏿\u200d♂️",
+    "man_detective_light_skin_tone": "🕵🏻\u200d♂️",
+    "man_detective_medium-dark_skin_tone": "🕵🏾\u200d♂️",
+    "man_detective_medium-light_skin_tone": "🕵🏼\u200d♂️",
+    "man_detective_medium_skin_tone": "🕵🏽\u200d♂️",
+    "man_elf": "🧝\u200d♂️",
+    "man_elf_dark_skin_tone": "🧝🏿\u200d♂️",
+    "man_elf_light_skin_tone": "🧝🏻\u200d♂️",
+    "man_elf_medium-dark_skin_tone": "🧝🏾\u200d♂️",
+    "man_elf_medium-light_skin_tone": "🧝🏼\u200d♂️",
+    "man_elf_medium_skin_tone": "🧝🏽\u200d♂️",
+    "man_facepalming": "🤦\u200d♂️",
+    "man_facepalming_dark_skin_tone": "🤦🏿\u200d♂️",
+    "man_facepalming_light_skin_tone": "🤦🏻\u200d♂️",
+    "man_facepalming_medium-dark_skin_tone": "🤦🏾\u200d♂️",
+    "man_facepalming_medium-light_skin_tone": "🤦🏼\u200d♂️",
+    "man_facepalming_medium_skin_tone": "🤦🏽\u200d♂️",
+    "man_factory_worker": "👨\u200d🏭",
+    "man_factory_worker_dark_skin_tone": "👨🏿\u200d🏭",
+    "man_factory_worker_light_skin_tone": "👨🏻\u200d🏭",
+    "man_factory_worker_medium-dark_skin_tone": "👨🏾\u200d🏭",
+    "man_factory_worker_medium-light_skin_tone": "👨🏼\u200d🏭",
+    "man_factory_worker_medium_skin_tone": "👨🏽\u200d🏭",
+    "man_fairy": "🧚\u200d♂️",
+    "man_fairy_dark_skin_tone": "🧚🏿\u200d♂️",
+    "man_fairy_light_skin_tone": "🧚🏻\u200d♂️",
+    "man_fairy_medium-dark_skin_tone": "🧚🏾\u200d♂️",
+    "man_fairy_medium-light_skin_tone": "🧚🏼\u200d♂️",
+    "man_fairy_medium_skin_tone": "🧚🏽\u200d♂️",
+    "man_farmer": "👨\u200d🌾",
+    "man_farmer_dark_skin_tone": "👨🏿\u200d🌾",
+    "man_farmer_light_skin_tone": "👨🏻\u200d🌾",
+    "man_farmer_medium-dark_skin_tone": "👨🏾\u200d🌾",
+    "man_farmer_medium-light_skin_tone": "👨🏼\u200d🌾",
+    "man_farmer_medium_skin_tone": "👨🏽\u200d🌾",
+    "man_firefighter": "👨\u200d🚒",
+    "man_firefighter_dark_skin_tone": "👨🏿\u200d🚒",
+    "man_firefighter_light_skin_tone": "👨🏻\u200d🚒",
+    "man_firefighter_medium-dark_skin_tone": "👨🏾\u200d🚒",
+    "man_firefighter_medium-light_skin_tone": "👨🏼\u200d🚒",
+    "man_firefighter_medium_skin_tone": "👨🏽\u200d🚒",
+    "man_frowning": "🙍\u200d♂️",
+    "man_frowning_dark_skin_tone": "🙍🏿\u200d♂️",
+    "man_frowning_light_skin_tone": "🙍🏻\u200d♂️",
+    "man_frowning_medium-dark_skin_tone": "🙍🏾\u200d♂️",
+    "man_frowning_medium-light_skin_tone": "🙍🏼\u200d♂️",
+    "man_frowning_medium_skin_tone": "🙍🏽\u200d♂️",
+    "man_genie": "🧞\u200d♂️",
+    "man_gesturing_no": "🙅\u200d♂️",
+    "man_gesturing_no_dark_skin_tone": "🙅🏿\u200d♂️",
+    "man_gesturing_no_light_skin_tone": "🙅🏻\u200d♂️",
+    "man_gesturing_no_medium-dark_skin_tone": "🙅🏾\u200d♂️",
+    "man_gesturing_no_medium-light_skin_tone": "🙅🏼\u200d♂️",
+    "man_gesturing_no_medium_skin_tone": "🙅🏽\u200d♂️",
+    "man_gesturing_ok": "🙆\u200d♂️",
+    "man_gesturing_ok_dark_skin_tone": "🙆🏿\u200d♂️",
+    "man_gesturing_ok_light_skin_tone": "🙆🏻\u200d♂️",
+    "man_gesturing_ok_medium-dark_skin_tone": "🙆🏾\u200d♂️",
+    "man_gesturing_ok_medium-light_skin_tone": "🙆🏼\u200d♂️",
+    "man_gesturing_ok_medium_skin_tone": "🙆🏽\u200d♂️",
+    "man_getting_haircut": "💇\u200d♂️",
+    "man_getting_haircut_dark_skin_tone": "💇🏿\u200d♂️",
+    "man_getting_haircut_light_skin_tone": "💇🏻\u200d♂️",
+    "man_getting_haircut_medium-dark_skin_tone": "💇🏾\u200d♂️",
+    "man_getting_haircut_medium-light_skin_tone": "💇🏼\u200d♂️",
+    "man_getting_haircut_medium_skin_tone": "💇🏽\u200d♂️",
+    "man_getting_massage": "💆\u200d♂️",
+    "man_getting_massage_dark_skin_tone": "💆🏿\u200d♂️",
+    "man_getting_massage_light_skin_tone": "💆🏻\u200d♂️",
+    "man_getting_massage_medium-dark_skin_tone": "💆🏾\u200d♂️",
+    "man_getting_massage_medium-light_skin_tone": "💆🏼\u200d♂️",
+    "man_getting_massage_medium_skin_tone": "💆🏽\u200d♂️",
+    "man_golfing": "🏌️\u200d♂️",
+    "man_golfing_dark_skin_tone": "🏌🏿\u200d♂️",
+    "man_golfing_light_skin_tone": "🏌🏻\u200d♂️",
+    "man_golfing_medium-dark_skin_tone": "🏌🏾\u200d♂️",
+    "man_golfing_medium-light_skin_tone": "🏌🏼\u200d♂️",
+    "man_golfing_medium_skin_tone": "🏌🏽\u200d♂️",
+    "man_guard": "💂\u200d♂️",
+    "man_guard_dark_skin_tone": "💂🏿\u200d♂️",
+    "man_guard_light_skin_tone": "💂🏻\u200d♂️",
+    "man_guard_medium-dark_skin_tone": "💂🏾\u200d♂️",
+    "man_guard_medium-light_skin_tone": "💂🏼\u200d♂️",
+    "man_guard_medium_skin_tone": "💂🏽\u200d♂️",
+    "man_health_worker": "👨\u200d⚕️",
+    "man_health_worker_dark_skin_tone": "👨🏿\u200d⚕️",
+    "man_health_worker_light_skin_tone": "👨🏻\u200d⚕️",
+    "man_health_worker_medium-dark_skin_tone": "👨🏾\u200d⚕️",
+    "man_health_worker_medium-light_skin_tone": "👨🏼\u200d⚕️",
+    "man_health_worker_medium_skin_tone": "👨🏽\u200d⚕️",
+    "man_in_lotus_position": "🧘\u200d♂️",
+    "man_in_lotus_position_dark_skin_tone": "🧘🏿\u200d♂️",
+    "man_in_lotus_position_light_skin_tone": "🧘🏻\u200d♂️",
+    "man_in_lotus_position_medium-dark_skin_tone": "🧘🏾\u200d♂️",
+    "man_in_lotus_position_medium-light_skin_tone": "🧘🏼\u200d♂️",
+    "man_in_lotus_position_medium_skin_tone": "🧘🏽\u200d♂️",
+    "man_in_manual_wheelchair": "👨\u200d🦽",
+    "man_in_motorized_wheelchair": "👨\u200d🦼",
+    "man_in_steamy_room": "🧖\u200d♂️",
+    "man_in_steamy_room_dark_skin_tone": "🧖🏿\u200d♂️",
+    "man_in_steamy_room_light_skin_tone": "🧖🏻\u200d♂️",
+    "man_in_steamy_room_medium-dark_skin_tone": "🧖🏾\u200d♂️",
+    "man_in_steamy_room_medium-light_skin_tone": "🧖🏼\u200d♂️",
+    "man_in_steamy_room_medium_skin_tone": "🧖🏽\u200d♂️",
+    "man_in_suit_levitating": "🕴",
+    "man_in_suit_levitating_dark_skin_tone": "🕴🏿",
+    "man_in_suit_levitating_light_skin_tone": "🕴🏻",
+    "man_in_suit_levitating_medium-dark_skin_tone": "🕴🏾",
+    "man_in_suit_levitating_medium-light_skin_tone": "🕴🏼",
+    "man_in_suit_levitating_medium_skin_tone": "🕴🏽",
+    "man_in_tuxedo": "🤵",
+    "man_in_tuxedo_dark_skin_tone": "🤵🏿",
+    "man_in_tuxedo_light_skin_tone": "🤵🏻",
+    "man_in_tuxedo_medium-dark_skin_tone": "🤵🏾",
+    "man_in_tuxedo_medium-light_skin_tone": "🤵🏼",
+    "man_in_tuxedo_medium_skin_tone": "🤵🏽",
+    "man_judge": "👨\u200d⚖️",
+    "man_judge_dark_skin_tone": "👨🏿\u200d⚖️",
+    "man_judge_light_skin_tone": "👨🏻\u200d⚖️",
+    "man_judge_medium-dark_skin_tone": "👨🏾\u200d⚖️",
+    "man_judge_medium-light_skin_tone": "👨🏼\u200d⚖️",
+    "man_judge_medium_skin_tone": "👨🏽\u200d⚖️",
+    "man_juggling": "🤹\u200d♂️",
+    "man_juggling_dark_skin_tone": "🤹🏿\u200d♂️",
+    "man_juggling_light_skin_tone": "🤹🏻\u200d♂️",
+    "man_juggling_medium-dark_skin_tone": "🤹🏾\u200d♂️",
+    "man_juggling_medium-light_skin_tone": "🤹🏼\u200d♂️",
+    "man_juggling_medium_skin_tone": "🤹🏽\u200d♂️",
+    "man_lifting_weights": "🏋️\u200d♂️",
+    "man_lifting_weights_dark_skin_tone": "🏋🏿\u200d♂️",
+    "man_lifting_weights_light_skin_tone": "🏋🏻\u200d♂️",
+    "man_lifting_weights_medium-dark_skin_tone": "🏋🏾\u200d♂️",
+    "man_lifting_weights_medium-light_skin_tone": "🏋🏼\u200d♂️",
+    "man_lifting_weights_medium_skin_tone": "🏋🏽\u200d♂️",
+    "man_light_skin_tone": "👨🏻",
+    "man_mage": "🧙\u200d♂️",
+    "man_mage_dark_skin_tone": "🧙🏿\u200d♂️",
+    "man_mage_light_skin_tone": "🧙🏻\u200d♂️",
+    "man_mage_medium-dark_skin_tone": "🧙🏾\u200d♂️",
+    "man_mage_medium-light_skin_tone": "🧙🏼\u200d♂️",
+    "man_mage_medium_skin_tone": "🧙🏽\u200d♂️",
+    "man_mechanic": "👨\u200d🔧",
+    "man_mechanic_dark_skin_tone": "👨🏿\u200d🔧",
+    "man_mechanic_light_skin_tone": "👨🏻\u200d🔧",
+    "man_mechanic_medium-dark_skin_tone": "👨🏾\u200d🔧",
+    "man_mechanic_medium-light_skin_tone": "👨🏼\u200d🔧",
+    "man_mechanic_medium_skin_tone": "👨🏽\u200d🔧",
+    "man_medium-dark_skin_tone": "👨🏾",
+    "man_medium-light_skin_tone": "👨🏼",
+    "man_medium_skin_tone": "👨🏽",
+    "man_mountain_biking": "🚵\u200d♂️",
+    "man_mountain_biking_dark_skin_tone": "🚵🏿\u200d♂️",
+    "man_mountain_biking_light_skin_tone": "🚵🏻\u200d♂️",
+    "man_mountain_biking_medium-dark_skin_tone": "🚵🏾\u200d♂️",
+    "man_mountain_biking_medium-light_skin_tone": "🚵🏼\u200d♂️",
+    "man_mountain_biking_medium_skin_tone": "🚵🏽\u200d♂️",
+    "man_office_worker": "👨\u200d💼",
+    "man_office_worker_dark_skin_tone": "👨🏿\u200d💼",
+    "man_office_worker_light_skin_tone": "👨🏻\u200d💼",
+    "man_office_worker_medium-dark_skin_tone": "👨🏾\u200d💼",
+    "man_office_worker_medium-light_skin_tone": "👨🏼\u200d💼",
+    "man_office_worker_medium_skin_tone": "👨🏽\u200d💼",
+    "man_pilot": "👨\u200d✈️",
+    "man_pilot_dark_skin_tone": "👨🏿\u200d✈️",
+    "man_pilot_light_skin_tone": "👨🏻\u200d✈️",
+    "man_pilot_medium-dark_skin_tone": "👨🏾\u200d✈️",
+    "man_pilot_medium-light_skin_tone": "👨🏼\u200d✈️",
+    "man_pilot_medium_skin_tone": "👨🏽\u200d✈️",
+    "man_playing_handball": "🤾\u200d♂️",
+    "man_playing_handball_dark_skin_tone": "🤾🏿\u200d♂️",
+    "man_playing_handball_light_skin_tone": "🤾🏻\u200d♂️",
+    "man_playing_handball_medium-dark_skin_tone": "🤾🏾\u200d♂️",
+    "man_playing_handball_medium-light_skin_tone": "🤾🏼\u200d♂️",
+    "man_playing_handball_medium_skin_tone": "🤾🏽\u200d♂️",
+    "man_playing_water_polo": "🤽\u200d♂️",
+    "man_playing_water_polo_dark_skin_tone": "🤽🏿\u200d♂️",
+    "man_playing_water_polo_light_skin_tone": "🤽🏻\u200d♂️",
+    "man_playing_water_polo_medium-dark_skin_tone": "🤽🏾\u200d♂️",
+    "man_playing_water_polo_medium-light_skin_tone": "🤽🏼\u200d♂️",
+    "man_playing_water_polo_medium_skin_tone": "🤽🏽\u200d♂️",
+    "man_police_officer": "👮\u200d♂️",
+    "man_police_officer_dark_skin_tone": "👮🏿\u200d♂️",
+    "man_police_officer_light_skin_tone": "👮🏻\u200d♂️",
+    "man_police_officer_medium-dark_skin_tone": "👮🏾\u200d♂️",
+    "man_police_officer_medium-light_skin_tone": "👮🏼\u200d♂️",
+    "man_police_officer_medium_skin_tone": "👮🏽\u200d♂️",
+    "man_pouting": "🙎\u200d♂️",
+    "man_pouting_dark_skin_tone": "🙎🏿\u200d♂️",
+    "man_pouting_light_skin_tone": "🙎🏻\u200d♂️",
+    "man_pouting_medium-dark_skin_tone": "🙎🏾\u200d♂️",
+    "man_pouting_medium-light_skin_tone": "🙎🏼\u200d♂️",
+    "man_pouting_medium_skin_tone": "🙎🏽\u200d♂️",
+    "man_raising_hand": "🙋\u200d♂️",
+    "man_raising_hand_dark_skin_tone": "🙋🏿\u200d♂️",
+    "man_raising_hand_light_skin_tone": "🙋🏻\u200d♂️",
+    "man_raising_hand_medium-dark_skin_tone": "🙋🏾\u200d♂️",
+    "man_raising_hand_medium-light_skin_tone": "🙋🏼\u200d♂️",
+    "man_raising_hand_medium_skin_tone": "🙋🏽\u200d♂️",
+    "man_rowing_boat": "🚣\u200d♂️",
+    "man_rowing_boat_dark_skin_tone": "🚣🏿\u200d♂️",
+    "man_rowing_boat_light_skin_tone": "🚣🏻\u200d♂️",
+    "man_rowing_boat_medium-dark_skin_tone": "🚣🏾\u200d♂️",
+    "man_rowing_boat_medium-light_skin_tone": "🚣🏼\u200d♂️",
+    "man_rowing_boat_medium_skin_tone": "🚣🏽\u200d♂️",
+    "man_running": "🏃\u200d♂️",
+    "man_running_dark_skin_tone": "🏃🏿\u200d♂️",
+    "man_running_light_skin_tone": "🏃🏻\u200d♂️",
+    "man_running_medium-dark_skin_tone": "🏃🏾\u200d♂️",
+    "man_running_medium-light_skin_tone": "🏃🏼\u200d♂️",
+    "man_running_medium_skin_tone": "🏃🏽\u200d♂️",
+    "man_scientist": "👨\u200d🔬",
+    "man_scientist_dark_skin_tone": "👨🏿\u200d🔬",
+    "man_scientist_light_skin_tone": "👨🏻\u200d🔬",
+    "man_scientist_medium-dark_skin_tone": "👨🏾\u200d🔬",
+    "man_scientist_medium-light_skin_tone": "👨🏼\u200d🔬",
+    "man_scientist_medium_skin_tone": "👨🏽\u200d🔬",
+    "man_shrugging": "🤷\u200d♂️",
+    "man_shrugging_dark_skin_tone": "🤷🏿\u200d♂️",
+    "man_shrugging_light_skin_tone": "🤷🏻\u200d♂️",
+    "man_shrugging_medium-dark_skin_tone": "🤷🏾\u200d♂️",
+    "man_shrugging_medium-light_skin_tone": "🤷🏼\u200d♂️",
+    "man_shrugging_medium_skin_tone": "🤷🏽\u200d♂️",
+    "man_singer": "👨\u200d🎤",
+    "man_singer_dark_skin_tone": "👨🏿\u200d🎤",
+    "man_singer_light_skin_tone": "👨🏻\u200d🎤",
+    "man_singer_medium-dark_skin_tone": "👨🏾\u200d🎤",
+    "man_singer_medium-light_skin_tone": "👨🏼\u200d🎤",
+    "man_singer_medium_skin_tone": "👨🏽\u200d🎤",
+    "man_student": "👨\u200d🎓",
+    "man_student_dark_skin_tone": "👨🏿\u200d🎓",
+    "man_student_light_skin_tone": "👨🏻\u200d🎓",
+    "man_student_medium-dark_skin_tone": "👨🏾\u200d🎓",
+    "man_student_medium-light_skin_tone": "👨🏼\u200d🎓",
+    "man_student_medium_skin_tone": "👨🏽\u200d🎓",
+    "man_surfing": "🏄\u200d♂️",
+    "man_surfing_dark_skin_tone": "🏄🏿\u200d♂️",
+    "man_surfing_light_skin_tone": "🏄🏻\u200d♂️",
+    "man_surfing_medium-dark_skin_tone": "🏄🏾\u200d♂️",
+    "man_surfing_medium-light_skin_tone": "🏄🏼\u200d♂️",
+    "man_surfing_medium_skin_tone": "🏄🏽\u200d♂️",
+    "man_swimming": "🏊\u200d♂️",
+    "man_swimming_dark_skin_tone": "🏊🏿\u200d♂️",
+    "man_swimming_light_skin_tone": "🏊🏻\u200d♂️",
+    "man_swimming_medium-dark_skin_tone": "🏊🏾\u200d♂️",
+    "man_swimming_medium-light_skin_tone": "🏊🏼\u200d♂️",
+    "man_swimming_medium_skin_tone": "🏊🏽\u200d♂️",
+    "man_teacher": "👨\u200d🏫",
+    "man_teacher_dark_skin_tone": "👨🏿\u200d🏫",
+    "man_teacher_light_skin_tone": "👨🏻\u200d🏫",
+    "man_teacher_medium-dark_skin_tone": "👨🏾\u200d🏫",
+    "man_teacher_medium-light_skin_tone": "👨🏼\u200d🏫",
+    "man_teacher_medium_skin_tone": "👨🏽\u200d🏫",
+    "man_technologist": "👨\u200d💻",
+    "man_technologist_dark_skin_tone": "👨🏿\u200d💻",
+    "man_technologist_light_skin_tone": "👨🏻\u200d💻",
+    "man_technologist_medium-dark_skin_tone": "👨🏾\u200d💻",
+    "man_technologist_medium-light_skin_tone": "👨🏼\u200d💻",
+    "man_technologist_medium_skin_tone": "👨🏽\u200d💻",
+    "man_tipping_hand": "💁\u200d♂️",
+    "man_tipping_hand_dark_skin_tone": "💁🏿\u200d♂️",
+    "man_tipping_hand_light_skin_tone": "💁🏻\u200d♂️",
+    "man_tipping_hand_medium-dark_skin_tone": "💁🏾\u200d♂️",
+    "man_tipping_hand_medium-light_skin_tone": "💁🏼\u200d♂️",
+    "man_tipping_hand_medium_skin_tone": "💁🏽\u200d♂️",
+    "man_vampire": "🧛\u200d♂️",
+    "man_vampire_dark_skin_tone": "🧛🏿\u200d♂️",
+    "man_vampire_light_skin_tone": "🧛🏻\u200d♂️",
+    "man_vampire_medium-dark_skin_tone": "🧛🏾\u200d♂️",
+    "man_vampire_medium-light_skin_tone": "🧛🏼\u200d♂️",
+    "man_vampire_medium_skin_tone": "🧛🏽\u200d♂️",
+    "man_walking": "🚶\u200d♂️",
+    "man_walking_dark_skin_tone": "🚶🏿\u200d♂️",
+    "man_walking_light_skin_tone": "🚶🏻\u200d♂️",
+    "man_walking_medium-dark_skin_tone": "🚶🏾\u200d♂️",
+    "man_walking_medium-light_skin_tone": "🚶🏼\u200d♂️",
+    "man_walking_medium_skin_tone": "🚶🏽\u200d♂️",
+    "man_wearing_turban": "👳\u200d♂️",
+    "man_wearing_turban_dark_skin_tone": "👳🏿\u200d♂️",
+    "man_wearing_turban_light_skin_tone": "👳🏻\u200d♂️",
+    "man_wearing_turban_medium-dark_skin_tone": "👳🏾\u200d♂️",
+    "man_wearing_turban_medium-light_skin_tone": "👳🏼\u200d♂️",
+    "man_wearing_turban_medium_skin_tone": "👳🏽\u200d♂️",
+    "man_with_probing_cane": "👨\u200d🦯",
+    "man_with_chinese_cap": "👲",
+    "man_with_chinese_cap_dark_skin_tone": "👲🏿",
+    "man_with_chinese_cap_light_skin_tone": "👲🏻",
+    "man_with_chinese_cap_medium-dark_skin_tone": "👲🏾",
+    "man_with_chinese_cap_medium-light_skin_tone": "👲🏼",
+    "man_with_chinese_cap_medium_skin_tone": "👲🏽",
+    "man_zombie": "🧟\u200d♂️",
+    "mango": "🥭",
+    "mantelpiece_clock": "🕰",
+    "manual_wheelchair": "🦽",
+    "man’s_shoe": "👞",
+    "map_of_japan": "🗾",
+    "maple_leaf": "🍁",
+    "martial_arts_uniform": "🥋",
+    "mate": "🧉",
+    "meat_on_bone": "🍖",
+    "mechanical_arm": "🦾",
+    "mechanical_leg": "🦿",
+    "medical_symbol": "⚕",
+    "megaphone": "📣",
+    "melon": "🍈",
+    "memo": "📝",
+    "men_with_bunny_ears": "👯\u200d♂️",
+    "men_wrestling": "🤼\u200d♂️",
+    "menorah": "🕎",
+    "men’s_room": "🚹",
+    "mermaid": "🧜\u200d♀️",
+    "mermaid_dark_skin_tone": "🧜🏿\u200d♀️",
+    "mermaid_light_skin_tone": "🧜🏻\u200d♀️",
+    "mermaid_medium-dark_skin_tone": "🧜🏾\u200d♀️",
+    "mermaid_medium-light_skin_tone": "🧜🏼\u200d♀️",
+    "mermaid_medium_skin_tone": "🧜🏽\u200d♀️",
+    "merman": "🧜\u200d♂️",
+    "merman_dark_skin_tone": "🧜🏿\u200d♂️",
+    "merman_light_skin_tone": "🧜🏻\u200d♂️",
+    "merman_medium-dark_skin_tone": "🧜🏾\u200d♂️",
+    "merman_medium-light_skin_tone": "🧜🏼\u200d♂️",
+    "merman_medium_skin_tone": "🧜🏽\u200d♂️",
+    "merperson": "🧜",
+    "merperson_dark_skin_tone": "🧜🏿",
+    "merperson_light_skin_tone": "🧜🏻",
+    "merperson_medium-dark_skin_tone": "🧜🏾",
+    "merperson_medium-light_skin_tone": "🧜🏼",
+    "merperson_medium_skin_tone": "🧜🏽",
+    "metro": "🚇",
+    "microbe": "🦠",
+    "microphone": "🎤",
+    "microscope": "🔬",
+    "middle_finger": "🖕",
+    "middle_finger_dark_skin_tone": "🖕🏿",
+    "middle_finger_light_skin_tone": "🖕🏻",
+    "middle_finger_medium-dark_skin_tone": "🖕🏾",
+    "middle_finger_medium-light_skin_tone": "🖕🏼",
+    "middle_finger_medium_skin_tone": "🖕🏽",
+    "military_medal": "🎖",
+    "milky_way": "🌌",
+    "minibus": "🚐",
+    "moai": "🗿",
+    "mobile_phone": "📱",
+    "mobile_phone_off": "📴",
+    "mobile_phone_with_arrow": "📲",
+    "money-mouth_face": "🤑",
+    "money_bag": "💰",
+    "money_with_wings": "💸",
+    "monkey": "🐒",
+    "monkey_face": "🐵",
+    "monorail": "🚝",
+    "moon_cake": "🥮",
+    "moon_viewing_ceremony": "🎑",
+    "mosque": "🕌",
+    "mosquito": "🦟",
+    "motor_boat": "🛥",
+    "motor_scooter": "🛵",
+    "motorcycle": "🏍",
+    "motorized_wheelchair": "🦼",
+    "motorway": "🛣",
+    "mount_fuji": "🗻",
+    "mountain": "⛰",
+    "mountain_cableway": "🚠",
+    "mountain_railway": "🚞",
+    "mouse": "🐭",
+    "mouse_face": "🐭",
+    "mouth": "👄",
+    "movie_camera": "🎥",
+    "mushroom": "🍄",
+    "musical_keyboard": "🎹",
+    "musical_note": "🎵",
+    "musical_notes": "🎶",
+    "musical_score": "🎼",
+    "muted_speaker": "🔇",
+    "nail_polish": "💅",
+    "nail_polish_dark_skin_tone": "💅🏿",
+    "nail_polish_light_skin_tone": "💅🏻",
+    "nail_polish_medium-dark_skin_tone": "💅🏾",
+    "nail_polish_medium-light_skin_tone": "💅🏼",
+    "nail_polish_medium_skin_tone": "💅🏽",
+    "name_badge": "📛",
+    "national_park": "🏞",
+    "nauseated_face": "🤢",
+    "nazar_amulet": "🧿",
+    "necktie": "👔",
+    "nerd_face": "🤓",
+    "neutral_face": "😐",
+    "new_moon": "🌑",
+    "new_moon_face": "🌚",
+    "newspaper": "📰",
+    "next_track_button": "⏭",
+    "night_with_stars": "🌃",
+    "nine-thirty": "🕤",
+    "nine_o’clock": "🕘",
+    "no_bicycles": "🚳",
+    "no_entry": "⛔",
+    "no_littering": "🚯",
+    "no_mobile_phones": "📵",
+    "no_one_under_eighteen": "🔞",
+    "no_pedestrians": "🚷",
+    "no_smoking": "🚭",
+    "non-potable_water": "🚱",
+    "nose": "👃",
+    "nose_dark_skin_tone": "👃🏿",
+    "nose_light_skin_tone": "👃🏻",
+    "nose_medium-dark_skin_tone": "👃🏾",
+    "nose_medium-light_skin_tone": "👃🏼",
+    "nose_medium_skin_tone": "👃🏽",
+    "notebook": "📓",
+    "notebook_with_decorative_cover": "📔",
+    "nut_and_bolt": "🔩",
+    "octopus": "🐙",
+    "oden": "🍢",
+    "office_building": "🏢",
+    "ogre": "👹",
+    "oil_drum": "🛢",
+    "old_key": "🗝",
+    "old_man": "👴",
+    "old_man_dark_skin_tone": "👴🏿",
+    "old_man_light_skin_tone": "👴🏻",
+    "old_man_medium-dark_skin_tone": "👴🏾",
+    "old_man_medium-light_skin_tone": "👴🏼",
+    "old_man_medium_skin_tone": "👴🏽",
+    "old_woman": "👵",
+    "old_woman_dark_skin_tone": "👵🏿",
+    "old_woman_light_skin_tone": "👵🏻",
+    "old_woman_medium-dark_skin_tone": "👵🏾",
+    "old_woman_medium-light_skin_tone": "👵🏼",
+    "old_woman_medium_skin_tone": "👵🏽",
+    "older_adult": "🧓",
+    "older_adult_dark_skin_tone": "🧓🏿",
+    "older_adult_light_skin_tone": "🧓🏻",
+    "older_adult_medium-dark_skin_tone": "🧓🏾",
+    "older_adult_medium-light_skin_tone": "🧓🏼",
+    "older_adult_medium_skin_tone": "🧓🏽",
+    "om": "🕉",
+    "oncoming_automobile": "🚘",
+    "oncoming_bus": "🚍",
+    "oncoming_fist": "👊",
+    "oncoming_fist_dark_skin_tone": "👊🏿",
+    "oncoming_fist_light_skin_tone": "👊🏻",
+    "oncoming_fist_medium-dark_skin_tone": "👊🏾",
+    "oncoming_fist_medium-light_skin_tone": "👊🏼",
+    "oncoming_fist_medium_skin_tone": "👊🏽",
+    "oncoming_police_car": "🚔",
+    "oncoming_taxi": "🚖",
+    "one-piece_swimsuit": "🩱",
+    "one-thirty": "🕜",
+    "one_o’clock": "🕐",
+    "onion": "🧅",
+    "open_book": "📖",
+    "open_file_folder": "📂",
+    "open_hands": "👐",
+    "open_hands_dark_skin_tone": "👐🏿",
+    "open_hands_light_skin_tone": "👐🏻",
+    "open_hands_medium-dark_skin_tone": "👐🏾",
+    "open_hands_medium-light_skin_tone": "👐🏼",
+    "open_hands_medium_skin_tone": "👐🏽",
+    "open_mailbox_with_lowered_flag": "📭",
+    "open_mailbox_with_raised_flag": "📬",
+    "optical_disk": "💿",
+    "orange_book": "📙",
+    "orange_circle": "🟠",
+    "orange_heart": "🧡",
+    "orange_square": "🟧",
+    "orangutan": "🦧",
+    "orthodox_cross": "☦",
+    "otter": "🦦",
+    "outbox_tray": "📤",
+    "owl": "🦉",
+    "ox": "🐂",
+    "oyster": "🦪",
+    "package": "📦",
+    "page_facing_up": "📄",
+    "page_with_curl": "📃",
+    "pager": "📟",
+    "paintbrush": "🖌",
+    "palm_tree": "🌴",
+    "palms_up_together": "🤲",
+    "palms_up_together_dark_skin_tone": "🤲🏿",
+    "palms_up_together_light_skin_tone": "🤲🏻",
+    "palms_up_together_medium-dark_skin_tone": "🤲🏾",
+    "palms_up_together_medium-light_skin_tone": "🤲🏼",
+    "palms_up_together_medium_skin_tone": "🤲🏽",
+    "pancakes": "🥞",
+    "panda_face": "🐼",
+    "paperclip": "📎",
+    "parrot": "🦜",
+    "part_alternation_mark": "〽",
+    "party_popper": "🎉",
+    "partying_face": "🥳",
+    "passenger_ship": "🛳",
+    "passport_control": "🛂",
+    "pause_button": "⏸",
+    "paw_prints": "🐾",
+    "peace_symbol": "☮",
+    "peach": "🍑",
+    "peacock": "🦚",
+    "peanuts": "🥜",
+    "pear": "🍐",
+    "pen": "🖊",
+    "pencil": "📝",
+    "penguin": "🐧",
+    "pensive_face": "😔",
+    "people_holding_hands": "🧑\u200d🤝\u200d🧑",
+    "people_with_bunny_ears": "👯",
+    "people_wrestling": "🤼",
+    "performing_arts": "🎭",
+    "persevering_face": "😣",
+    "person_biking": "🚴",
+    "person_biking_dark_skin_tone": "🚴🏿",
+    "person_biking_light_skin_tone": "🚴🏻",
+    "person_biking_medium-dark_skin_tone": "🚴🏾",
+    "person_biking_medium-light_skin_tone": "🚴🏼",
+    "person_biking_medium_skin_tone": "🚴🏽",
+    "person_bouncing_ball": "⛹",
+    "person_bouncing_ball_dark_skin_tone": "⛹🏿",
+    "person_bouncing_ball_light_skin_tone": "⛹🏻",
+    "person_bouncing_ball_medium-dark_skin_tone": "⛹🏾",
+    "person_bouncing_ball_medium-light_skin_tone": "⛹🏼",
+    "person_bouncing_ball_medium_skin_tone": "⛹🏽",
+    "person_bowing": "🙇",
+    "person_bowing_dark_skin_tone": "🙇🏿",
+    "person_bowing_light_skin_tone": "🙇🏻",
+    "person_bowing_medium-dark_skin_tone": "🙇🏾",
+    "person_bowing_medium-light_skin_tone": "🙇🏼",
+    "person_bowing_medium_skin_tone": "🙇🏽",
+    "person_cartwheeling": "🤸",
+    "person_cartwheeling_dark_skin_tone": "🤸🏿",
+    "person_cartwheeling_light_skin_tone": "🤸🏻",
+    "person_cartwheeling_medium-dark_skin_tone": "🤸🏾",
+    "person_cartwheeling_medium-light_skin_tone": "🤸🏼",
+    "person_cartwheeling_medium_skin_tone": "🤸🏽",
+    "person_climbing": "🧗",
+    "person_climbing_dark_skin_tone": "🧗🏿",
+    "person_climbing_light_skin_tone": "🧗🏻",
+    "person_climbing_medium-dark_skin_tone": "🧗🏾",
+    "person_climbing_medium-light_skin_tone": "🧗🏼",
+    "person_climbing_medium_skin_tone": "🧗🏽",
+    "person_facepalming": "🤦",
+    "person_facepalming_dark_skin_tone": "🤦🏿",
+    "person_facepalming_light_skin_tone": "🤦🏻",
+    "person_facepalming_medium-dark_skin_tone": "🤦🏾",
+    "person_facepalming_medium-light_skin_tone": "🤦🏼",
+    "person_facepalming_medium_skin_tone": "🤦🏽",
+    "person_fencing": "🤺",
+    "person_frowning": "🙍",
+    "person_frowning_dark_skin_tone": "🙍🏿",
+    "person_frowning_light_skin_tone": "🙍🏻",
+    "person_frowning_medium-dark_skin_tone": "🙍🏾",
+    "person_frowning_medium-light_skin_tone": "🙍🏼",
+    "person_frowning_medium_skin_tone": "🙍🏽",
+    "person_gesturing_no": "🙅",
+    "person_gesturing_no_dark_skin_tone": "🙅🏿",
+    "person_gesturing_no_light_skin_tone": "🙅🏻",
+    "person_gesturing_no_medium-dark_skin_tone": "🙅🏾",
+    "person_gesturing_no_medium-light_skin_tone": "🙅🏼",
+    "person_gesturing_no_medium_skin_tone": "🙅🏽",
+    "person_gesturing_ok": "🙆",
+    "person_gesturing_ok_dark_skin_tone": "🙆🏿",
+    "person_gesturing_ok_light_skin_tone": "🙆🏻",
+    "person_gesturing_ok_medium-dark_skin_tone": "🙆🏾",
+    "person_gesturing_ok_medium-light_skin_tone": "🙆🏼",
+    "person_gesturing_ok_medium_skin_tone": "🙆🏽",
+    "person_getting_haircut": "💇",
+    "person_getting_haircut_dark_skin_tone": "💇🏿",
+    "person_getting_haircut_light_skin_tone": "💇🏻",
+    "person_getting_haircut_medium-dark_skin_tone": "💇🏾",
+    "person_getting_haircut_medium-light_skin_tone": "💇🏼",
+    "person_getting_haircut_medium_skin_tone": "💇🏽",
+    "person_getting_massage": "💆",
+    "person_getting_massage_dark_skin_tone": "💆🏿",
+    "person_getting_massage_light_skin_tone": "💆🏻",
+    "person_getting_massage_medium-dark_skin_tone": "💆🏾",
+    "person_getting_massage_medium-light_skin_tone": "💆🏼",
+    "person_getting_massage_medium_skin_tone": "💆🏽",
+    "person_golfing": "🏌",
+    "person_golfing_dark_skin_tone": "🏌🏿",
+    "person_golfing_light_skin_tone": "🏌🏻",
+    "person_golfing_medium-dark_skin_tone": "🏌🏾",
+    "person_golfing_medium-light_skin_tone": "🏌🏼",
+    "person_golfing_medium_skin_tone": "🏌🏽",
+    "person_in_bed": "🛌",
+    "person_in_bed_dark_skin_tone": "🛌🏿",
+    "person_in_bed_light_skin_tone": "🛌🏻",
+    "person_in_bed_medium-dark_skin_tone": "🛌🏾",
+    "person_in_bed_medium-light_skin_tone": "🛌🏼",
+    "person_in_bed_medium_skin_tone": "🛌🏽",
+    "person_in_lotus_position": "🧘",
+    "person_in_lotus_position_dark_skin_tone": "🧘🏿",
+    "person_in_lotus_position_light_skin_tone": "🧘🏻",
+    "person_in_lotus_position_medium-dark_skin_tone": "🧘🏾",
+    "person_in_lotus_position_medium-light_skin_tone": "🧘🏼",
+    "person_in_lotus_position_medium_skin_tone": "🧘🏽",
+    "person_in_steamy_room": "🧖",
+    "person_in_steamy_room_dark_skin_tone": "🧖🏿",
+    "person_in_steamy_room_light_skin_tone": "🧖🏻",
+    "person_in_steamy_room_medium-dark_skin_tone": "🧖🏾",
+    "person_in_steamy_room_medium-light_skin_tone": "🧖🏼",
+    "person_in_steamy_room_medium_skin_tone": "🧖🏽",
+    "person_juggling": "🤹",
+    "person_juggling_dark_skin_tone": "🤹🏿",
+    "person_juggling_light_skin_tone": "🤹🏻",
+    "person_juggling_medium-dark_skin_tone": "🤹🏾",
+    "person_juggling_medium-light_skin_tone": "🤹🏼",
+    "person_juggling_medium_skin_tone": "🤹🏽",
+    "person_kneeling": "🧎",
+    "person_lifting_weights": "🏋",
+    "person_lifting_weights_dark_skin_tone": "🏋🏿",
+    "person_lifting_weights_light_skin_tone": "🏋🏻",
+    "person_lifting_weights_medium-dark_skin_tone": "🏋🏾",
+    "person_lifting_weights_medium-light_skin_tone": "🏋🏼",
+    "person_lifting_weights_medium_skin_tone": "🏋🏽",
+    "person_mountain_biking": "🚵",
+    "person_mountain_biking_dark_skin_tone": "🚵🏿",
+    "person_mountain_biking_light_skin_tone": "🚵🏻",
+    "person_mountain_biking_medium-dark_skin_tone": "🚵🏾",
+    "person_mountain_biking_medium-light_skin_tone": "🚵🏼",
+    "person_mountain_biking_medium_skin_tone": "🚵🏽",
+    "person_playing_handball": "🤾",
+    "person_playing_handball_dark_skin_tone": "🤾🏿",
+    "person_playing_handball_light_skin_tone": "🤾🏻",
+    "person_playing_handball_medium-dark_skin_tone": "🤾🏾",
+    "person_playing_handball_medium-light_skin_tone": "🤾🏼",
+    "person_playing_handball_medium_skin_tone": "🤾🏽",
+    "person_playing_water_polo": "🤽",
+    "person_playing_water_polo_dark_skin_tone": "🤽🏿",
+    "person_playing_water_polo_light_skin_tone": "🤽🏻",
+    "person_playing_water_polo_medium-dark_skin_tone": "🤽🏾",
+    "person_playing_water_polo_medium-light_skin_tone": "🤽🏼",
+    "person_playing_water_polo_medium_skin_tone": "🤽🏽",
+    "person_pouting": "🙎",
+    "person_pouting_dark_skin_tone": "🙎🏿",
+    "person_pouting_light_skin_tone": "🙎🏻",
+    "person_pouting_medium-dark_skin_tone": "🙎🏾",
+    "person_pouting_medium-light_skin_tone": "🙎🏼",
+    "person_pouting_medium_skin_tone": "🙎🏽",
+    "person_raising_hand": "🙋",
+    "person_raising_hand_dark_skin_tone": "🙋🏿",
+    "person_raising_hand_light_skin_tone": "🙋🏻",
+    "person_raising_hand_medium-dark_skin_tone": "🙋🏾",
+    "person_raising_hand_medium-light_skin_tone": "🙋🏼",
+    "person_raising_hand_medium_skin_tone": "🙋🏽",
+    "person_rowing_boat": "🚣",
+    "person_rowing_boat_dark_skin_tone": "🚣🏿",
+    "person_rowing_boat_light_skin_tone": "🚣🏻",
+    "person_rowing_boat_medium-dark_skin_tone": "🚣🏾",
+    "person_rowing_boat_medium-light_skin_tone": "🚣🏼",
+    "person_rowing_boat_medium_skin_tone": "🚣🏽",
+    "person_running": "🏃",
+    "person_running_dark_skin_tone": "🏃🏿",
+    "person_running_light_skin_tone": "🏃🏻",
+    "person_running_medium-dark_skin_tone": "🏃🏾",
+    "person_running_medium-light_skin_tone": "🏃🏼",
+    "person_running_medium_skin_tone": "🏃🏽",
+    "person_shrugging": "🤷",
+    "person_shrugging_dark_skin_tone": "🤷🏿",
+    "person_shrugging_light_skin_tone": "🤷🏻",
+    "person_shrugging_medium-dark_skin_tone": "🤷🏾",
+    "person_shrugging_medium-light_skin_tone": "🤷🏼",
+    "person_shrugging_medium_skin_tone": "🤷🏽",
+    "person_standing": "🧍",
+    "person_surfing": "🏄",
+    "person_surfing_dark_skin_tone": "🏄🏿",
+    "person_surfing_light_skin_tone": "🏄🏻",
+    "person_surfing_medium-dark_skin_tone": "🏄🏾",
+    "person_surfing_medium-light_skin_tone": "🏄🏼",
+    "person_surfing_medium_skin_tone": "🏄🏽",
+    "person_swimming": "🏊",
+    "person_swimming_dark_skin_tone": "🏊🏿",
+    "person_swimming_light_skin_tone": "🏊🏻",
+    "person_swimming_medium-dark_skin_tone": "🏊🏾",
+    "person_swimming_medium-light_skin_tone": "🏊🏼",
+    "person_swimming_medium_skin_tone": "🏊🏽",
+    "person_taking_bath": "🛀",
+    "person_taking_bath_dark_skin_tone": "🛀🏿",
+    "person_taking_bath_light_skin_tone": "🛀🏻",
+    "person_taking_bath_medium-dark_skin_tone": "🛀🏾",
+    "person_taking_bath_medium-light_skin_tone": "🛀🏼",
+    "person_taking_bath_medium_skin_tone": "🛀🏽",
+    "person_tipping_hand": "💁",
+    "person_tipping_hand_dark_skin_tone": "💁🏿",
+    "person_tipping_hand_light_skin_tone": "💁🏻",
+    "person_tipping_hand_medium-dark_skin_tone": "💁🏾",
+    "person_tipping_hand_medium-light_skin_tone": "💁🏼",
+    "person_tipping_hand_medium_skin_tone": "💁🏽",
+    "person_walking": "🚶",
+    "person_walking_dark_skin_tone": "🚶🏿",
+    "person_walking_light_skin_tone": "🚶🏻",
+    "person_walking_medium-dark_skin_tone": "🚶🏾",
+    "person_walking_medium-light_skin_tone": "🚶🏼",
+    "person_walking_medium_skin_tone": "🚶🏽",
+    "person_wearing_turban": "👳",
+    "person_wearing_turban_dark_skin_tone": "👳🏿",
+    "person_wearing_turban_light_skin_tone": "👳🏻",
+    "person_wearing_turban_medium-dark_skin_tone": "👳🏾",
+    "person_wearing_turban_medium-light_skin_tone": "👳🏼",
+    "person_wearing_turban_medium_skin_tone": "👳🏽",
+    "petri_dish": "🧫",
+    "pick": "⛏",
+    "pie": "🥧",
+    "pig": "🐷",
+    "pig_face": "🐷",
+    "pig_nose": "🐽",
+    "pile_of_poo": "💩",
+    "pill": "💊",
+    "pinching_hand": "🤏",
+    "pine_decoration": "🎍",
+    "pineapple": "🍍",
+    "ping_pong": "🏓",
+    "pirate_flag": "🏴\u200d☠️",
+    "pistol": "🔫",
+    "pizza": "🍕",
+    "place_of_worship": "🛐",
+    "play_button": "▶",
+    "play_or_pause_button": "⏯",
+    "pleading_face": "🥺",
+    "police_car": "🚓",
+    "police_car_light": "🚨",
+    "police_officer": "👮",
+    "police_officer_dark_skin_tone": "👮🏿",
+    "police_officer_light_skin_tone": "👮🏻",
+    "police_officer_medium-dark_skin_tone": "👮🏾",
+    "police_officer_medium-light_skin_tone": "👮🏼",
+    "police_officer_medium_skin_tone": "👮🏽",
+    "poodle": "🐩",
+    "pool_8_ball": "🎱",
+    "popcorn": "🍿",
+    "post_office": "🏣",
+    "postal_horn": "📯",
+    "postbox": "📮",
+    "pot_of_food": "🍲",
+    "potable_water": "🚰",
+    "potato": "🥔",
+    "poultry_leg": "🍗",
+    "pound_banknote": "💷",
+    "pouting_cat_face": "😾",
+    "pouting_face": "😡",
+    "prayer_beads": "📿",
+    "pregnant_woman": "🤰",
+    "pregnant_woman_dark_skin_tone": "🤰🏿",
+    "pregnant_woman_light_skin_tone": "🤰🏻",
+    "pregnant_woman_medium-dark_skin_tone": "🤰🏾",
+    "pregnant_woman_medium-light_skin_tone": "🤰🏼",
+    "pregnant_woman_medium_skin_tone": "🤰🏽",
+    "pretzel": "🥨",
+    "probing_cane": "🦯",
+    "prince": "🤴",
+    "prince_dark_skin_tone": "🤴🏿",
+    "prince_light_skin_tone": "🤴🏻",
+    "prince_medium-dark_skin_tone": "🤴🏾",
+    "prince_medium-light_skin_tone": "🤴🏼",
+    "prince_medium_skin_tone": "🤴🏽",
+    "princess": "👸",
+    "princess_dark_skin_tone": "👸🏿",
+    "princess_light_skin_tone": "👸🏻",
+    "princess_medium-dark_skin_tone": "👸🏾",
+    "princess_medium-light_skin_tone": "👸🏼",
+    "princess_medium_skin_tone": "👸🏽",
+    "printer": "🖨",
+    "prohibited": "🚫",
+    "purple_circle": "🟣",
+    "purple_heart": "💜",
+    "purple_square": "🟪",
+    "purse": "👛",
+    "pushpin": "📌",
+    "question_mark": "❓",
+    "rabbit": "🐰",
+    "rabbit_face": "🐰",
+    "raccoon": "🦝",
+    "racing_car": "🏎",
+    "radio": "📻",
+    "radio_button": "🔘",
+    "radioactive": "☢",
+    "railway_car": "🚃",
+    "railway_track": "🛤",
+    "rainbow": "🌈",
+    "rainbow_flag": "🏳️\u200d🌈",
+    "raised_back_of_hand": "🤚",
+    "raised_back_of_hand_dark_skin_tone": "🤚🏿",
+    "raised_back_of_hand_light_skin_tone": "🤚🏻",
+    "raised_back_of_hand_medium-dark_skin_tone": "🤚🏾",
+    "raised_back_of_hand_medium-light_skin_tone": "🤚🏼",
+    "raised_back_of_hand_medium_skin_tone": "🤚🏽",
+    "raised_fist": "✊",
+    "raised_fist_dark_skin_tone": "✊🏿",
+    "raised_fist_light_skin_tone": "✊🏻",
+    "raised_fist_medium-dark_skin_tone": "✊🏾",
+    "raised_fist_medium-light_skin_tone": "✊🏼",
+    "raised_fist_medium_skin_tone": "✊🏽",
+    "raised_hand": "✋",
+    "raised_hand_dark_skin_tone": "✋🏿",
+    "raised_hand_light_skin_tone": "✋🏻",
+    "raised_hand_medium-dark_skin_tone": "✋🏾",
+    "raised_hand_medium-light_skin_tone": "✋🏼",
+    "raised_hand_medium_skin_tone": "✋🏽",
+    "raising_hands": "🙌",
+    "raising_hands_dark_skin_tone": "🙌🏿",
+    "raising_hands_light_skin_tone": "🙌🏻",
+    "raising_hands_medium-dark_skin_tone": "🙌🏾",
+    "raising_hands_medium-light_skin_tone": "🙌🏼",
+    "raising_hands_medium_skin_tone": "🙌🏽",
+    "ram": "🐏",
+    "rat": "🐀",
+    "razor": "🪒",
+    "ringed_planet": "🪐",
+    "receipt": "🧾",
+    "record_button": "⏺",
+    "recycling_symbol": "♻",
+    "red_apple": "🍎",
+    "red_circle": "🔴",
+    "red_envelope": "🧧",
+    "red_hair": "🦰",
+    "red-haired_man": "👨\u200d🦰",
+    "red-haired_woman": "👩\u200d🦰",
+    "red_heart": "❤",
+    "red_paper_lantern": "🏮",
+    "red_square": "🟥",
+    "red_triangle_pointed_down": "🔻",
+    "red_triangle_pointed_up": "🔺",
+    "registered": "®",
+    "relieved_face": "😌",
+    "reminder_ribbon": "🎗",
+    "repeat_button": "🔁",
+    "repeat_single_button": "🔂",
+    "rescue_worker’s_helmet": "⛑",
+    "restroom": "🚻",
+    "reverse_button": "◀",
+    "revolving_hearts": "💞",
+    "rhinoceros": "🦏",
+    "ribbon": "🎀",
+    "rice_ball": "🍙",
+    "rice_cracker": "🍘",
+    "right-facing_fist": "🤜",
+    "right-facing_fist_dark_skin_tone": "🤜🏿",
+    "right-facing_fist_light_skin_tone": "🤜🏻",
+    "right-facing_fist_medium-dark_skin_tone": "🤜🏾",
+    "right-facing_fist_medium-light_skin_tone": "🤜🏼",
+    "right-facing_fist_medium_skin_tone": "🤜🏽",
+    "right_anger_bubble": "🗯",
+    "right_arrow": "➡",
+    "right_arrow_curving_down": "⤵",
+    "right_arrow_curving_left": "↩",
+    "right_arrow_curving_up": "⤴",
+    "ring": "💍",
+    "roasted_sweet_potato": "🍠",
+    "robot_face": "🤖",
+    "rocket": "🚀",
+    "roll_of_paper": "🧻",
+    "rolled-up_newspaper": "🗞",
+    "roller_coaster": "🎢",
+    "rolling_on_the_floor_laughing": "🤣",
+    "rooster": "🐓",
+    "rose": "🌹",
+    "rosette": "🏵",
+    "round_pushpin": "📍",
+    "rugby_football": "🏉",
+    "running_shirt": "🎽",
+    "running_shoe": "👟",
+    "sad_but_relieved_face": "😥",
+    "safety_pin": "🧷",
+    "safety_vest": "🦺",
+    "salt": "🧂",
+    "sailboat": "⛵",
+    "sake": "🍶",
+    "sandwich": "🥪",
+    "sari": "🥻",
+    "satellite": "📡",
+    "satellite_antenna": "📡",
+    "sauropod": "🦕",
+    "saxophone": "🎷",
+    "scarf": "🧣",
+    "school": "🏫",
+    "school_backpack": "🎒",
+    "scissors": "✂",
+    "scorpion": "🦂",
+    "scroll": "📜",
+    "seat": "💺",
+    "see-no-evil_monkey": "🙈",
+    "seedling": "🌱",
+    "selfie": "🤳",
+    "selfie_dark_skin_tone": "🤳🏿",
+    "selfie_light_skin_tone": "🤳🏻",
+    "selfie_medium-dark_skin_tone": "🤳🏾",
+    "selfie_medium-light_skin_tone": "🤳🏼",
+    "selfie_medium_skin_tone": "🤳🏽",
+    "service_dog": "🐕\u200d🦺",
+    "seven-thirty": "🕢",
+    "seven_o’clock": "🕖",
+    "shallow_pan_of_food": "🥘",
+    "shamrock": "☘",
+    "shark": "🦈",
+    "shaved_ice": "🍧",
+    "sheaf_of_rice": "🌾",
+    "shield": "🛡",
+    "shinto_shrine": "⛩",
+    "ship": "🚢",
+    "shooting_star": "🌠",
+    "shopping_bags": "🛍",
+    "shopping_cart": "🛒",
+    "shortcake": "🍰",
+    "shorts": "🩳",
+    "shower": "🚿",
+    "shrimp": "🦐",
+    "shuffle_tracks_button": "🔀",
+    "shushing_face": "🤫",
+    "sign_of_the_horns": "🤘",
+    "sign_of_the_horns_dark_skin_tone": "🤘🏿",
+    "sign_of_the_horns_light_skin_tone": "🤘🏻",
+    "sign_of_the_horns_medium-dark_skin_tone": "🤘🏾",
+    "sign_of_the_horns_medium-light_skin_tone": "🤘🏼",
+    "sign_of_the_horns_medium_skin_tone": "🤘🏽",
+    "six-thirty": "🕡",
+    "six_o’clock": "🕕",
+    "skateboard": "🛹",
+    "skier": "⛷",
+    "skis": "🎿",
+    "skull": "💀",
+    "skull_and_crossbones": "☠",
+    "skunk": "🦨",
+    "sled": "🛷",
+    "sleeping_face": "😴",
+    "sleepy_face": "😪",
+    "slightly_frowning_face": "🙁",
+    "slightly_smiling_face": "🙂",
+    "slot_machine": "🎰",
+    "sloth": "🦥",
+    "small_airplane": "🛩",
+    "small_blue_diamond": "🔹",
+    "small_orange_diamond": "🔸",
+    "smiling_cat_face_with_heart-eyes": "😻",
+    "smiling_face": "☺",
+    "smiling_face_with_halo": "😇",
+    "smiling_face_with_3_hearts": "🥰",
+    "smiling_face_with_heart-eyes": "😍",
+    "smiling_face_with_horns": "😈",
+    "smiling_face_with_smiling_eyes": "😊",
+    "smiling_face_with_sunglasses": "😎",
+    "smirking_face": "😏",
+    "snail": "🐌",
+    "snake": "🐍",
+    "sneezing_face": "🤧",
+    "snow-capped_mountain": "🏔",
+    "snowboarder": "🏂",
+    "snowboarder_dark_skin_tone": "🏂🏿",
+    "snowboarder_light_skin_tone": "🏂🏻",
+    "snowboarder_medium-dark_skin_tone": "🏂🏾",
+    "snowboarder_medium-light_skin_tone": "🏂🏼",
+    "snowboarder_medium_skin_tone": "🏂🏽",
+    "snowflake": "❄",
+    "snowman": "☃",
+    "snowman_without_snow": "⛄",
+    "soap": "🧼",
+    "soccer_ball": "⚽",
+    "socks": "🧦",
+    "softball": "🥎",
+    "soft_ice_cream": "🍦",
+    "spade_suit": "♠",
+    "spaghetti": "🍝",
+    "sparkle": "❇",
+    "sparkler": "🎇",
+    "sparkles": "✨",
+    "sparkling_heart": "💖",
+    "speak-no-evil_monkey": "🙊",
+    "speaker_high_volume": "🔊",
+    "speaker_low_volume": "🔈",
+    "speaker_medium_volume": "🔉",
+    "speaking_head": "🗣",
+    "speech_balloon": "💬",
+    "speedboat": "🚤",
+    "spider": "🕷",
+    "spider_web": "🕸",
+    "spiral_calendar": "🗓",
+    "spiral_notepad": "🗒",
+    "spiral_shell": "🐚",
+    "spoon": "🥄",
+    "sponge": "🧽",
+    "sport_utility_vehicle": "🚙",
+    "sports_medal": "🏅",
+    "spouting_whale": "🐳",
+    "squid": "🦑",
+    "squinting_face_with_tongue": "😝",
+    "stadium": "🏟",
+    "star-struck": "🤩",
+    "star_and_crescent": "☪",
+    "star_of_david": "✡",
+    "station": "🚉",
+    "steaming_bowl": "🍜",
+    "stethoscope": "🩺",
+    "stop_button": "⏹",
+    "stop_sign": "🛑",
+    "stopwatch": "⏱",
+    "straight_ruler": "📏",
+    "strawberry": "🍓",
+    "studio_microphone": "🎙",
+    "stuffed_flatbread": "🥙",
+    "sun": "☀",
+    "sun_behind_cloud": "⛅",
+    "sun_behind_large_cloud": "🌥",
+    "sun_behind_rain_cloud": "🌦",
+    "sun_behind_small_cloud": "🌤",
+    "sun_with_face": "🌞",
+    "sunflower": "🌻",
+    "sunglasses": "😎",
+    "sunrise": "🌅",
+    "sunrise_over_mountains": "🌄",
+    "sunset": "🌇",
+    "superhero": "🦸",
+    "supervillain": "🦹",
+    "sushi": "🍣",
+    "suspension_railway": "🚟",
+    "swan": "🦢",
+    "sweat_droplets": "💦",
+    "synagogue": "🕍",
+    "syringe": "💉",
+    "t-shirt": "👕",
+    "taco": "🌮",
+    "takeout_box": "🥡",
+    "tanabata_tree": "🎋",
+    "tangerine": "🍊",
+    "taxi": "🚕",
+    "teacup_without_handle": "🍵",
+    "tear-off_calendar": "📆",
+    "teddy_bear": "🧸",
+    "telephone": "☎",
+    "telephone_receiver": "📞",
+    "telescope": "🔭",
+    "television": "📺",
+    "ten-thirty": "🕥",
+    "ten_o’clock": "🕙",
+    "tennis": "🎾",
+    "tent": "⛺",
+    "test_tube": "🧪",
+    "thermometer": "🌡",
+    "thinking_face": "🤔",
+    "thought_balloon": "💭",
+    "thread": "🧵",
+    "three-thirty": "🕞",
+    "three_o’clock": "🕒",
+    "thumbs_down": "👎",
+    "thumbs_down_dark_skin_tone": "👎🏿",
+    "thumbs_down_light_skin_tone": "👎🏻",
+    "thumbs_down_medium-dark_skin_tone": "👎🏾",
+    "thumbs_down_medium-light_skin_tone": "👎🏼",
+    "thumbs_down_medium_skin_tone": "👎🏽",
+    "thumbs_up": "👍",
+    "thumbs_up_dark_skin_tone": "👍🏿",
+    "thumbs_up_light_skin_tone": "👍🏻",
+    "thumbs_up_medium-dark_skin_tone": "👍🏾",
+    "thumbs_up_medium-light_skin_tone": "👍🏼",
+    "thumbs_up_medium_skin_tone": "👍🏽",
+    "ticket": "🎫",
+    "tiger": "🐯",
+    "tiger_face": "🐯",
+    "timer_clock": "⏲",
+    "tired_face": "😫",
+    "toolbox": "🧰",
+    "toilet": "🚽",
+    "tomato": "🍅",
+    "tongue": "👅",
+    "tooth": "🦷",
+    "top_hat": "🎩",
+    "tornado": "🌪",
+    "trackball": "🖲",
+    "tractor": "🚜",
+    "trade_mark": "™",
+    "train": "🚋",
+    "tram": "🚊",
+    "tram_car": "🚋",
+    "triangular_flag": "🚩",
+    "triangular_ruler": "📐",
+    "trident_emblem": "🔱",
+    "trolleybus": "🚎",
+    "trophy": "🏆",
+    "tropical_drink": "🍹",
+    "tropical_fish": "🐠",
+    "trumpet": "🎺",
+    "tulip": "🌷",
+    "tumbler_glass": "🥃",
+    "turtle": "🐢",
+    "twelve-thirty": "🕧",
+    "twelve_o’clock": "🕛",
+    "two-hump_camel": "🐫",
+    "two-thirty": "🕝",
+    "two_hearts": "💕",
+    "two_men_holding_hands": "👬",
+    "two_o’clock": "🕑",
+    "two_women_holding_hands": "👭",
+    "umbrella": "☂",
+    "umbrella_on_ground": "⛱",
+    "umbrella_with_rain_drops": "☔",
+    "unamused_face": "😒",
+    "unicorn_face": "🦄",
+    "unlocked": "🔓",
+    "up-down_arrow": "↕",
+    "up-left_arrow": "↖",
+    "up-right_arrow": "↗",
+    "up_arrow": "⬆",
+    "upside-down_face": "🙃",
+    "upwards_button": "🔼",
+    "vampire": "🧛",
+    "vampire_dark_skin_tone": "🧛🏿",
+    "vampire_light_skin_tone": "🧛🏻",
+    "vampire_medium-dark_skin_tone": "🧛🏾",
+    "vampire_medium-light_skin_tone": "🧛🏼",
+    "vampire_medium_skin_tone": "🧛🏽",
+    "vertical_traffic_light": "🚦",
+    "vibration_mode": "📳",
+    "victory_hand": "✌",
+    "victory_hand_dark_skin_tone": "✌🏿",
+    "victory_hand_light_skin_tone": "✌🏻",
+    "victory_hand_medium-dark_skin_tone": "✌🏾",
+    "victory_hand_medium-light_skin_tone": "✌🏼",
+    "victory_hand_medium_skin_tone": "✌🏽",
+    "video_camera": "📹",
+    "video_game": "🎮",
+    "videocassette": "📼",
+    "violin": "🎻",
+    "volcano": "🌋",
+    "volleyball": "🏐",
+    "vulcan_salute": "🖖",
+    "vulcan_salute_dark_skin_tone": "🖖🏿",
+    "vulcan_salute_light_skin_tone": "🖖🏻",
+    "vulcan_salute_medium-dark_skin_tone": "🖖🏾",
+    "vulcan_salute_medium-light_skin_tone": "🖖🏼",
+    "vulcan_salute_medium_skin_tone": "🖖🏽",
+    "waffle": "🧇",
+    "waning_crescent_moon": "🌘",
+    "waning_gibbous_moon": "🌖",
+    "warning": "⚠",
+    "wastebasket": "🗑",
+    "watch": "⌚",
+    "water_buffalo": "🐃",
+    "water_closet": "🚾",
+    "water_wave": "🌊",
+    "watermelon": "🍉",
+    "waving_hand": "👋",
+    "waving_hand_dark_skin_tone": "👋🏿",
+    "waving_hand_light_skin_tone": "👋🏻",
+    "waving_hand_medium-dark_skin_tone": "👋🏾",
+    "waving_hand_medium-light_skin_tone": "👋🏼",
+    "waving_hand_medium_skin_tone": "👋🏽",
+    "wavy_dash": "〰",
+    "waxing_crescent_moon": "🌒",
+    "waxing_gibbous_moon": "🌔",
+    "weary_cat_face": "🙀",
+    "weary_face": "😩",
+    "wedding": "💒",
+    "whale": "🐳",
+    "wheel_of_dharma": "☸",
+    "wheelchair_symbol": "♿",
+    "white_circle": "⚪",
+    "white_exclamation_mark": "❕",
+    "white_flag": "🏳",
+    "white_flower": "💮",
+    "white_hair": "🦳",
+    "white-haired_man": "👨\u200d🦳",
+    "white-haired_woman": "👩\u200d🦳",
+    "white_heart": "🤍",
+    "white_heavy_check_mark": "✅",
+    "white_large_square": "⬜",
+    "white_medium-small_square": "◽",
+    "white_medium_square": "◻",
+    "white_medium_star": "⭐",
+    "white_question_mark": "❔",
+    "white_small_square": "▫",
+    "white_square_button": "🔳",
+    "wilted_flower": "🥀",
+    "wind_chime": "🎐",
+    "wind_face": "🌬",
+    "wine_glass": "🍷",
+    "winking_face": "😉",
+    "winking_face_with_tongue": "😜",
+    "wolf_face": "🐺",
+    "woman": "👩",
+    "woman_artist": "👩\u200d🎨",
+    "woman_artist_dark_skin_tone": "👩🏿\u200d🎨",
+    "woman_artist_light_skin_tone": "👩🏻\u200d🎨",
+    "woman_artist_medium-dark_skin_tone": "👩🏾\u200d🎨",
+    "woman_artist_medium-light_skin_tone": "👩🏼\u200d🎨",
+    "woman_artist_medium_skin_tone": "👩🏽\u200d🎨",
+    "woman_astronaut": "👩\u200d🚀",
+    "woman_astronaut_dark_skin_tone": "👩🏿\u200d🚀",
+    "woman_astronaut_light_skin_tone": "👩🏻\u200d🚀",
+    "woman_astronaut_medium-dark_skin_tone": "👩🏾\u200d🚀",
+    "woman_astronaut_medium-light_skin_tone": "👩🏼\u200d🚀",
+    "woman_astronaut_medium_skin_tone": "👩🏽\u200d🚀",
+    "woman_biking": "🚴\u200d♀️",
+    "woman_biking_dark_skin_tone": "🚴🏿\u200d♀️",
+    "woman_biking_light_skin_tone": "🚴🏻\u200d♀️",
+    "woman_biking_medium-dark_skin_tone": "🚴🏾\u200d♀️",
+    "woman_biking_medium-light_skin_tone": "🚴🏼\u200d♀️",
+    "woman_biking_medium_skin_tone": "🚴🏽\u200d♀️",
+    "woman_bouncing_ball": "⛹️\u200d♀️",
+    "woman_bouncing_ball_dark_skin_tone": "⛹🏿\u200d♀️",
+    "woman_bouncing_ball_light_skin_tone": "⛹🏻\u200d♀️",
+    "woman_bouncing_ball_medium-dark_skin_tone": "⛹🏾\u200d♀️",
+    "woman_bouncing_ball_medium-light_skin_tone": "⛹🏼\u200d♀️",
+    "woman_bouncing_ball_medium_skin_tone": "⛹🏽\u200d♀️",
+    "woman_bowing": "🙇\u200d♀️",
+    "woman_bowing_dark_skin_tone": "🙇🏿\u200d♀️",
+    "woman_bowing_light_skin_tone": "🙇🏻\u200d♀️",
+    "woman_bowing_medium-dark_skin_tone": "🙇🏾\u200d♀️",
+    "woman_bowing_medium-light_skin_tone": "🙇🏼\u200d♀️",
+    "woman_bowing_medium_skin_tone": "🙇🏽\u200d♀️",
+    "woman_cartwheeling": "🤸\u200d♀️",
+    "woman_cartwheeling_dark_skin_tone": "🤸🏿\u200d♀️",
+    "woman_cartwheeling_light_skin_tone": "🤸🏻\u200d♀️",
+    "woman_cartwheeling_medium-dark_skin_tone": "🤸🏾\u200d♀️",
+    "woman_cartwheeling_medium-light_skin_tone": "🤸🏼\u200d♀️",
+    "woman_cartwheeling_medium_skin_tone": "🤸🏽\u200d♀️",
+    "woman_climbing": "🧗\u200d♀️",
+    "woman_climbing_dark_skin_tone": "🧗🏿\u200d♀️",
+    "woman_climbing_light_skin_tone": "🧗🏻\u200d♀️",
+    "woman_climbing_medium-dark_skin_tone": "🧗🏾\u200d♀️",
+    "woman_climbing_medium-light_skin_tone": "🧗🏼\u200d♀️",
+    "woman_climbing_medium_skin_tone": "🧗🏽\u200d♀️",
+    "woman_construction_worker": "👷\u200d♀️",
+    "woman_construction_worker_dark_skin_tone": "👷🏿\u200d♀️",
+    "woman_construction_worker_light_skin_tone": "👷🏻\u200d♀️",
+    "woman_construction_worker_medium-dark_skin_tone": "👷🏾\u200d♀️",
+    "woman_construction_worker_medium-light_skin_tone": "👷🏼\u200d♀️",
+    "woman_construction_worker_medium_skin_tone": "👷🏽\u200d♀️",
+    "woman_cook": "👩\u200d🍳",
+    "woman_cook_dark_skin_tone": "👩🏿\u200d🍳",
+    "woman_cook_light_skin_tone": "👩🏻\u200d🍳",
+    "woman_cook_medium-dark_skin_tone": "👩🏾\u200d🍳",
+    "woman_cook_medium-light_skin_tone": "👩🏼\u200d🍳",
+    "woman_cook_medium_skin_tone": "👩🏽\u200d🍳",
+    "woman_dancing": "💃",
+    "woman_dancing_dark_skin_tone": "💃🏿",
+    "woman_dancing_light_skin_tone": "💃🏻",
+    "woman_dancing_medium-dark_skin_tone": "💃🏾",
+    "woman_dancing_medium-light_skin_tone": "💃🏼",
+    "woman_dancing_medium_skin_tone": "💃🏽",
+    "woman_dark_skin_tone": "👩🏿",
+    "woman_detective": "🕵️\u200d♀️",
+    "woman_detective_dark_skin_tone": "🕵🏿\u200d♀️",
+    "woman_detective_light_skin_tone": "🕵🏻\u200d♀️",
+    "woman_detective_medium-dark_skin_tone": "🕵🏾\u200d♀️",
+    "woman_detective_medium-light_skin_tone": "🕵🏼\u200d♀️",
+    "woman_detective_medium_skin_tone": "🕵🏽\u200d♀️",
+    "woman_elf": "🧝\u200d♀️",
+    "woman_elf_dark_skin_tone": "🧝🏿\u200d♀️",
+    "woman_elf_light_skin_tone": "🧝🏻\u200d♀️",
+    "woman_elf_medium-dark_skin_tone": "🧝🏾\u200d♀️",
+    "woman_elf_medium-light_skin_tone": "🧝🏼\u200d♀️",
+    "woman_elf_medium_skin_tone": "🧝🏽\u200d♀️",
+    "woman_facepalming": "🤦\u200d♀️",
+    "woman_facepalming_dark_skin_tone": "🤦🏿\u200d♀️",
+    "woman_facepalming_light_skin_tone": "🤦🏻\u200d♀️",
+    "woman_facepalming_medium-dark_skin_tone": "🤦🏾\u200d♀️",
+    "woman_facepalming_medium-light_skin_tone": "🤦🏼\u200d♀️",
+    "woman_facepalming_medium_skin_tone": "🤦🏽\u200d♀️",
+    "woman_factory_worker": "👩\u200d🏭",
+    "woman_factory_worker_dark_skin_tone": "👩🏿\u200d🏭",
+    "woman_factory_worker_light_skin_tone": "👩🏻\u200d🏭",
+    "woman_factory_worker_medium-dark_skin_tone": "👩🏾\u200d🏭",
+    "woman_factory_worker_medium-light_skin_tone": "👩🏼\u200d🏭",
+    "woman_factory_worker_medium_skin_tone": "👩🏽\u200d🏭",
+    "woman_fairy": "🧚\u200d♀️",
+    "woman_fairy_dark_skin_tone": "🧚🏿\u200d♀️",
+    "woman_fairy_light_skin_tone": "🧚🏻\u200d♀️",
+    "woman_fairy_medium-dark_skin_tone": "🧚🏾\u200d♀️",
+    "woman_fairy_medium-light_skin_tone": "🧚🏼\u200d♀️",
+    "woman_fairy_medium_skin_tone": "🧚🏽\u200d♀️",
+    "woman_farmer": "👩\u200d🌾",
+    "woman_farmer_dark_skin_tone": "👩🏿\u200d🌾",
+    "woman_farmer_light_skin_tone": "👩🏻\u200d🌾",
+    "woman_farmer_medium-dark_skin_tone": "👩🏾\u200d🌾",
+    "woman_farmer_medium-light_skin_tone": "👩🏼\u200d🌾",
+    "woman_farmer_medium_skin_tone": "👩🏽\u200d🌾",
+    "woman_firefighter": "👩\u200d🚒",
+    "woman_firefighter_dark_skin_tone": "👩🏿\u200d🚒",
+    "woman_firefighter_light_skin_tone": "👩🏻\u200d🚒",
+    "woman_firefighter_medium-dark_skin_tone": "👩🏾\u200d🚒",
+    "woman_firefighter_medium-light_skin_tone": "👩🏼\u200d🚒",
+    "woman_firefighter_medium_skin_tone": "👩🏽\u200d🚒",
+    "woman_frowning": "🙍\u200d♀️",
+    "woman_frowning_dark_skin_tone": "🙍🏿\u200d♀️",
+    "woman_frowning_light_skin_tone": "🙍🏻\u200d♀️",
+    "woman_frowning_medium-dark_skin_tone": "🙍🏾\u200d♀️",
+    "woman_frowning_medium-light_skin_tone": "🙍🏼\u200d♀️",
+    "woman_frowning_medium_skin_tone": "🙍🏽\u200d♀️",
+    "woman_genie": "🧞\u200d♀️",
+    "woman_gesturing_no": "🙅\u200d♀️",
+    "woman_gesturing_no_dark_skin_tone": "🙅🏿\u200d♀️",
+    "woman_gesturing_no_light_skin_tone": "🙅🏻\u200d♀️",
+    "woman_gesturing_no_medium-dark_skin_tone": "🙅🏾\u200d♀️",
+    "woman_gesturing_no_medium-light_skin_tone": "🙅🏼\u200d♀️",
+    "woman_gesturing_no_medium_skin_tone": "🙅🏽\u200d♀️",
+    "woman_gesturing_ok": "🙆\u200d♀️",
+    "woman_gesturing_ok_dark_skin_tone": "🙆🏿\u200d♀️",
+    "woman_gesturing_ok_light_skin_tone": "🙆🏻\u200d♀️",
+    "woman_gesturing_ok_medium-dark_skin_tone": "🙆🏾\u200d♀️",
+    "woman_gesturing_ok_medium-light_skin_tone": "🙆🏼\u200d♀️",
+    "woman_gesturing_ok_medium_skin_tone": "🙆🏽\u200d♀️",
+    "woman_getting_haircut": "💇\u200d♀️",
+    "woman_getting_haircut_dark_skin_tone": "💇🏿\u200d♀️",
+    "woman_getting_haircut_light_skin_tone": "💇🏻\u200d♀️",
+    "woman_getting_haircut_medium-dark_skin_tone": "💇🏾\u200d♀️",
+    "woman_getting_haircut_medium-light_skin_tone": "💇🏼\u200d♀️",
+    "woman_getting_haircut_medium_skin_tone": "💇🏽\u200d♀️",
+    "woman_getting_massage": "💆\u200d♀️",
+    "woman_getting_massage_dark_skin_tone": "💆🏿\u200d♀️",
+    "woman_getting_massage_light_skin_tone": "💆🏻\u200d♀️",
+    "woman_getting_massage_medium-dark_skin_tone": "💆🏾\u200d♀️",
+    "woman_getting_massage_medium-light_skin_tone": "💆🏼\u200d♀️",
+    "woman_getting_massage_medium_skin_tone": "💆🏽\u200d♀️",
+    "woman_golfing": "🏌️\u200d♀️",
+    "woman_golfing_dark_skin_tone": "🏌🏿\u200d♀️",
+    "woman_golfing_light_skin_tone": "🏌🏻\u200d♀️",
+    "woman_golfing_medium-dark_skin_tone": "🏌🏾\u200d♀️",
+    "woman_golfing_medium-light_skin_tone": "🏌🏼\u200d♀️",
+    "woman_golfing_medium_skin_tone": "🏌🏽\u200d♀️",
+    "woman_guard": "💂\u200d♀️",
+    "woman_guard_dark_skin_tone": "💂🏿\u200d♀️",
+    "woman_guard_light_skin_tone": "💂🏻\u200d♀️",
+    "woman_guard_medium-dark_skin_tone": "💂🏾\u200d♀️",
+    "woman_guard_medium-light_skin_tone": "💂🏼\u200d♀️",
+    "woman_guard_medium_skin_tone": "💂🏽\u200d♀️",
+    "woman_health_worker": "👩\u200d⚕️",
+    "woman_health_worker_dark_skin_tone": "👩🏿\u200d⚕️",
+    "woman_health_worker_light_skin_tone": "👩🏻\u200d⚕️",
+    "woman_health_worker_medium-dark_skin_tone": "👩🏾\u200d⚕️",
+    "woman_health_worker_medium-light_skin_tone": "👩🏼\u200d⚕️",
+    "woman_health_worker_medium_skin_tone": "👩🏽\u200d⚕️",
+    "woman_in_lotus_position": "🧘\u200d♀️",
+    "woman_in_lotus_position_dark_skin_tone": "🧘🏿\u200d♀️",
+    "woman_in_lotus_position_light_skin_tone": "🧘🏻\u200d♀️",
+    "woman_in_lotus_position_medium-dark_skin_tone": "🧘🏾\u200d♀️",
+    "woman_in_lotus_position_medium-light_skin_tone": "🧘🏼\u200d♀️",
+    "woman_in_lotus_position_medium_skin_tone": "🧘🏽\u200d♀️",
+    "woman_in_manual_wheelchair": "👩\u200d🦽",
+    "woman_in_motorized_wheelchair": "👩\u200d🦼",
+    "woman_in_steamy_room": "🧖\u200d♀️",
+    "woman_in_steamy_room_dark_skin_tone": "🧖🏿\u200d♀️",
+    "woman_in_steamy_room_light_skin_tone": "🧖🏻\u200d♀️",
+    "woman_in_steamy_room_medium-dark_skin_tone": "🧖🏾\u200d♀️",
+    "woman_in_steamy_room_medium-light_skin_tone": "🧖🏼\u200d♀️",
+    "woman_in_steamy_room_medium_skin_tone": "🧖🏽\u200d♀️",
+    "woman_judge": "👩\u200d⚖️",
+    "woman_judge_dark_skin_tone": "👩🏿\u200d⚖️",
+    "woman_judge_light_skin_tone": "👩🏻\u200d⚖️",
+    "woman_judge_medium-dark_skin_tone": "👩🏾\u200d⚖️",
+    "woman_judge_medium-light_skin_tone": "👩🏼\u200d⚖️",
+    "woman_judge_medium_skin_tone": "👩🏽\u200d⚖️",
+    "woman_juggling": "🤹\u200d♀️",
+    "woman_juggling_dark_skin_tone": "🤹🏿\u200d♀️",
+    "woman_juggling_light_skin_tone": "🤹🏻\u200d♀️",
+    "woman_juggling_medium-dark_skin_tone": "🤹🏾\u200d♀️",
+    "woman_juggling_medium-light_skin_tone": "🤹🏼\u200d♀️",
+    "woman_juggling_medium_skin_tone": "🤹🏽\u200d♀️",
+    "woman_lifting_weights": "🏋️\u200d♀️",
+    "woman_lifting_weights_dark_skin_tone": "🏋🏿\u200d♀️",
+    "woman_lifting_weights_light_skin_tone": "🏋🏻\u200d♀️",
+    "woman_lifting_weights_medium-dark_skin_tone": "🏋🏾\u200d♀️",
+    "woman_lifting_weights_medium-light_skin_tone": "🏋🏼\u200d♀️",
+    "woman_lifting_weights_medium_skin_tone": "🏋🏽\u200d♀️",
+    "woman_light_skin_tone": "👩🏻",
+    "woman_mage": "🧙\u200d♀️",
+    "woman_mage_dark_skin_tone": "🧙🏿\u200d♀️",
+    "woman_mage_light_skin_tone": "🧙🏻\u200d♀️",
+    "woman_mage_medium-dark_skin_tone": "🧙🏾\u200d♀️",
+    "woman_mage_medium-light_skin_tone": "🧙🏼\u200d♀️",
+    "woman_mage_medium_skin_tone": "🧙🏽\u200d♀️",
+    "woman_mechanic": "👩\u200d🔧",
+    "woman_mechanic_dark_skin_tone": "👩🏿\u200d🔧",
+    "woman_mechanic_light_skin_tone": "👩🏻\u200d🔧",
+    "woman_mechanic_medium-dark_skin_tone": "👩🏾\u200d🔧",
+    "woman_mechanic_medium-light_skin_tone": "👩🏼\u200d🔧",
+    "woman_mechanic_medium_skin_tone": "👩🏽\u200d🔧",
+    "woman_medium-dark_skin_tone": "👩🏾",
+    "woman_medium-light_skin_tone": "👩🏼",
+    "woman_medium_skin_tone": "👩🏽",
+    "woman_mountain_biking": "🚵\u200d♀️",
+    "woman_mountain_biking_dark_skin_tone": "🚵🏿\u200d♀️",
+    "woman_mountain_biking_light_skin_tone": "🚵🏻\u200d♀️",
+    "woman_mountain_biking_medium-dark_skin_tone": "🚵🏾\u200d♀️",
+    "woman_mountain_biking_medium-light_skin_tone": "🚵🏼\u200d♀️",
+    "woman_mountain_biking_medium_skin_tone": "🚵🏽\u200d♀️",
+    "woman_office_worker": "👩\u200d💼",
+    "woman_office_worker_dark_skin_tone": "👩🏿\u200d💼",
+    "woman_office_worker_light_skin_tone": "👩🏻\u200d💼",
+    "woman_office_worker_medium-dark_skin_tone": "👩🏾\u200d💼",
+    "woman_office_worker_medium-light_skin_tone": "👩🏼\u200d💼",
+    "woman_office_worker_medium_skin_tone": "👩🏽\u200d💼",
+    "woman_pilot": "👩\u200d✈️",
+    "woman_pilot_dark_skin_tone": "👩🏿\u200d✈️",
+    "woman_pilot_light_skin_tone": "👩🏻\u200d✈️",
+    "woman_pilot_medium-dark_skin_tone": "👩🏾\u200d✈️",
+    "woman_pilot_medium-light_skin_tone": "👩🏼\u200d✈️",
+    "woman_pilot_medium_skin_tone": "👩🏽\u200d✈️",
+    "woman_playing_handball": "🤾\u200d♀️",
+    "woman_playing_handball_dark_skin_tone": "🤾🏿\u200d♀️",
+    "woman_playing_handball_light_skin_tone": "🤾🏻\u200d♀️",
+    "woman_playing_handball_medium-dark_skin_tone": "🤾🏾\u200d♀️",
+    "woman_playing_handball_medium-light_skin_tone": "🤾🏼\u200d♀️",
+    "woman_playing_handball_medium_skin_tone": "🤾🏽\u200d♀️",
+    "woman_playing_water_polo": "🤽\u200d♀️",
+    "woman_playing_water_polo_dark_skin_tone": "🤽🏿\u200d♀️",
+    "woman_playing_water_polo_light_skin_tone": "🤽🏻\u200d♀️",
+    "woman_playing_water_polo_medium-dark_skin_tone": "🤽🏾\u200d♀️",
+    "woman_playing_water_polo_medium-light_skin_tone": "🤽🏼\u200d♀️",
+    "woman_playing_water_polo_medium_skin_tone": "🤽🏽\u200d♀️",
+    "woman_police_officer": "👮\u200d♀️",
+    "woman_police_officer_dark_skin_tone": "👮🏿\u200d♀️",
+    "woman_police_officer_light_skin_tone": "👮🏻\u200d♀️",
+    "woman_police_officer_medium-dark_skin_tone": "👮🏾\u200d♀️",
+    "woman_police_officer_medium-light_skin_tone": "👮🏼\u200d♀️",
+    "woman_police_officer_medium_skin_tone": "👮🏽\u200d♀️",
+    "woman_pouting": "🙎\u200d♀️",
+    "woman_pouting_dark_skin_tone": "🙎🏿\u200d♀️",
+    "woman_pouting_light_skin_tone": "🙎🏻\u200d♀️",
+    "woman_pouting_medium-dark_skin_tone": "🙎🏾\u200d♀️",
+    "woman_pouting_medium-light_skin_tone": "🙎🏼\u200d♀️",
+    "woman_pouting_medium_skin_tone": "🙎🏽\u200d♀️",
+    "woman_raising_hand": "🙋\u200d♀️",
+    "woman_raising_hand_dark_skin_tone": "🙋🏿\u200d♀️",
+    "woman_raising_hand_light_skin_tone": "🙋🏻\u200d♀️",
+    "woman_raising_hand_medium-dark_skin_tone": "🙋🏾\u200d♀️",
+    "woman_raising_hand_medium-light_skin_tone": "🙋🏼\u200d♀️",
+    "woman_raising_hand_medium_skin_tone": "🙋🏽\u200d♀️",
+    "woman_rowing_boat": "🚣\u200d♀️",
+    "woman_rowing_boat_dark_skin_tone": "🚣🏿\u200d♀️",
+    "woman_rowing_boat_light_skin_tone": "🚣🏻\u200d♀️",
+    "woman_rowing_boat_medium-dark_skin_tone": "🚣🏾\u200d♀️",
+    "woman_rowing_boat_medium-light_skin_tone": "🚣🏼\u200d♀️",
+    "woman_rowing_boat_medium_skin_tone": "🚣🏽\u200d♀️",
+    "woman_running": "🏃\u200d♀️",
+    "woman_running_dark_skin_tone": "🏃🏿\u200d♀️",
+    "woman_running_light_skin_tone": "🏃🏻\u200d♀️",
+    "woman_running_medium-dark_skin_tone": "🏃🏾\u200d♀️",
+    "woman_running_medium-light_skin_tone": "🏃🏼\u200d♀️",
+    "woman_running_medium_skin_tone": "🏃🏽\u200d♀️",
+    "woman_scientist": "👩\u200d🔬",
+    "woman_scientist_dark_skin_tone": "👩🏿\u200d🔬",
+    "woman_scientist_light_skin_tone": "👩🏻\u200d🔬",
+    "woman_scientist_medium-dark_skin_tone": "👩🏾\u200d🔬",
+    "woman_scientist_medium-light_skin_tone": "👩🏼\u200d🔬",
+    "woman_scientist_medium_skin_tone": "👩🏽\u200d🔬",
+    "woman_shrugging": "🤷\u200d♀️",
+    "woman_shrugging_dark_skin_tone": "🤷🏿\u200d♀️",
+    "woman_shrugging_light_skin_tone": "🤷🏻\u200d♀️",
+    "woman_shrugging_medium-dark_skin_tone": "🤷🏾\u200d♀️",
+    "woman_shrugging_medium-light_skin_tone": "🤷🏼\u200d♀️",
+    "woman_shrugging_medium_skin_tone": "🤷🏽\u200d♀️",
+    "woman_singer": "👩\u200d🎤",
+    "woman_singer_dark_skin_tone": "👩🏿\u200d🎤",
+    "woman_singer_light_skin_tone": "👩🏻\u200d🎤",
+    "woman_singer_medium-dark_skin_tone": "👩🏾\u200d🎤",
+    "woman_singer_medium-light_skin_tone": "👩🏼\u200d🎤",
+    "woman_singer_medium_skin_tone": "👩🏽\u200d🎤",
+    "woman_student": "👩\u200d🎓",
+    "woman_student_dark_skin_tone": "👩🏿\u200d🎓",
+    "woman_student_light_skin_tone": "👩🏻\u200d🎓",
+    "woman_student_medium-dark_skin_tone": "👩🏾\u200d🎓",
+    "woman_student_medium-light_skin_tone": "👩🏼\u200d🎓",
+    "woman_student_medium_skin_tone": "👩🏽\u200d🎓",
+    "woman_surfing": "🏄\u200d♀️",
+    "woman_surfing_dark_skin_tone": "🏄🏿\u200d♀️",
+    "woman_surfing_light_skin_tone": "🏄🏻\u200d♀️",
+    "woman_surfing_medium-dark_skin_tone": "🏄🏾\u200d♀️",
+    "woman_surfing_medium-light_skin_tone": "🏄🏼\u200d♀️",
+    "woman_surfing_medium_skin_tone": "🏄🏽\u200d♀️",
+    "woman_swimming": "🏊\u200d♀️",
+    "woman_swimming_dark_skin_tone": "🏊🏿\u200d♀️",
+    "woman_swimming_light_skin_tone": "🏊🏻\u200d♀️",
+    "woman_swimming_medium-dark_skin_tone": "🏊🏾\u200d♀️",
+    "woman_swimming_medium-light_skin_tone": "🏊🏼\u200d♀️",
+    "woman_swimming_medium_skin_tone": "🏊🏽\u200d♀️",
+    "woman_teacher": "👩\u200d🏫",
+    "woman_teacher_dark_skin_tone": "👩🏿\u200d🏫",
+    "woman_teacher_light_skin_tone": "👩🏻\u200d🏫",
+    "woman_teacher_medium-dark_skin_tone": "👩🏾\u200d🏫",
+    "woman_teacher_medium-light_skin_tone": "👩🏼\u200d🏫",
+    "woman_teacher_medium_skin_tone": "👩🏽\u200d🏫",
+    "woman_technologist": "👩\u200d💻",
+    "woman_technologist_dark_skin_tone": "👩🏿\u200d💻",
+    "woman_technologist_light_skin_tone": "👩🏻\u200d💻",
+    "woman_technologist_medium-dark_skin_tone": "👩🏾\u200d💻",
+    "woman_technologist_medium-light_skin_tone": "👩🏼\u200d💻",
+    "woman_technologist_medium_skin_tone": "👩🏽\u200d💻",
+    "woman_tipping_hand": "💁\u200d♀️",
+    "woman_tipping_hand_dark_skin_tone": "💁🏿\u200d♀️",
+    "woman_tipping_hand_light_skin_tone": "💁🏻\u200d♀️",
+    "woman_tipping_hand_medium-dark_skin_tone": "💁🏾\u200d♀️",
+    "woman_tipping_hand_medium-light_skin_tone": "💁🏼\u200d♀️",
+    "woman_tipping_hand_medium_skin_tone": "💁🏽\u200d♀️",
+    "woman_vampire": "🧛\u200d♀️",
+    "woman_vampire_dark_skin_tone": "🧛🏿\u200d♀️",
+    "woman_vampire_light_skin_tone": "🧛🏻\u200d♀️",
+    "woman_vampire_medium-dark_skin_tone": "🧛🏾\u200d♀️",
+    "woman_vampire_medium-light_skin_tone": "🧛🏼\u200d♀️",
+    "woman_vampire_medium_skin_tone": "🧛🏽\u200d♀️",
+    "woman_walking": "🚶\u200d♀️",
+    "woman_walking_dark_skin_tone": "🚶🏿\u200d♀️",
+    "woman_walking_light_skin_tone": "🚶🏻\u200d♀️",
+    "woman_walking_medium-dark_skin_tone": "🚶🏾\u200d♀️",
+    "woman_walking_medium-light_skin_tone": "🚶🏼\u200d♀️",
+    "woman_walking_medium_skin_tone": "🚶🏽\u200d♀️",
+    "woman_wearing_turban": "👳\u200d♀️",
+    "woman_wearing_turban_dark_skin_tone": "👳🏿\u200d♀️",
+    "woman_wearing_turban_light_skin_tone": "👳🏻\u200d♀️",
+    "woman_wearing_turban_medium-dark_skin_tone": "👳🏾\u200d♀️",
+    "woman_wearing_turban_medium-light_skin_tone": "👳🏼\u200d♀️",
+    "woman_wearing_turban_medium_skin_tone": "👳🏽\u200d♀️",
+    "woman_with_headscarf": "🧕",
+    "woman_with_headscarf_dark_skin_tone": "🧕🏿",
+    "woman_with_headscarf_light_skin_tone": "🧕🏻",
+    "woman_with_headscarf_medium-dark_skin_tone": "🧕🏾",
+    "woman_with_headscarf_medium-light_skin_tone": "🧕🏼",
+    "woman_with_headscarf_medium_skin_tone": "🧕🏽",
+    "woman_with_probing_cane": "👩\u200d🦯",
+    "woman_zombie": "🧟\u200d♀️",
+    "woman’s_boot": "👢",
+    "woman’s_clothes": "👚",
+    "woman’s_hat": "👒",
+    "woman’s_sandal": "👡",
+    "women_with_bunny_ears": "👯\u200d♀️",
+    "women_wrestling": "🤼\u200d♀️",
+    "women’s_room": "🚺",
+    "woozy_face": "🥴",
+    "world_map": "🗺",
+    "worried_face": "😟",
+    "wrapped_gift": "🎁",
+    "wrench": "🔧",
+    "writing_hand": "✍",
+    "writing_hand_dark_skin_tone": "✍🏿",
+    "writing_hand_light_skin_tone": "✍🏻",
+    "writing_hand_medium-dark_skin_tone": "✍🏾",
+    "writing_hand_medium-light_skin_tone": "✍🏼",
+    "writing_hand_medium_skin_tone": "✍🏽",
+    "yarn": "🧶",
+    "yawning_face": "🥱",
+    "yellow_circle": "🟡",
+    "yellow_heart": "💛",
+    "yellow_square": "🟨",
+    "yen_banknote": "💴",
+    "yo-yo": "🪀",
+    "yin_yang": "☯",
+    "zany_face": "🤪",
+    "zebra": "🦓",
+    "zipper-mouth_face": "🤐",
+    "zombie": "🧟",
+    "zzz": "💤",
+    "åland_islands": "🇦🇽",
+    "keycap_asterisk": "*⃣",
+    "keycap_digit_eight": "8⃣",
+    "keycap_digit_five": "5⃣",
+    "keycap_digit_four": "4⃣",
+    "keycap_digit_nine": "9⃣",
+    "keycap_digit_one": "1⃣",
+    "keycap_digit_seven": "7⃣",
+    "keycap_digit_six": "6⃣",
+    "keycap_digit_three": "3⃣",
+    "keycap_digit_two": "2⃣",
+    "keycap_digit_zero": "0⃣",
+    "keycap_number_sign": "#⃣",
+    "light_skin_tone": "🏻",
+    "medium_light_skin_tone": "🏼",
+    "medium_skin_tone": "🏽",
+    "medium_dark_skin_tone": "🏾",
+    "dark_skin_tone": "🏿",
+    "regional_indicator_symbol_letter_a": "🇦",
+    "regional_indicator_symbol_letter_b": "🇧",
+    "regional_indicator_symbol_letter_c": "🇨",
+    "regional_indicator_symbol_letter_d": "🇩",
+    "regional_indicator_symbol_letter_e": "🇪",
+    "regional_indicator_symbol_letter_f": "🇫",
+    "regional_indicator_symbol_letter_g": "🇬",
+    "regional_indicator_symbol_letter_h": "🇭",
+    "regional_indicator_symbol_letter_i": "🇮",
+    "regional_indicator_symbol_letter_j": "🇯",
+    "regional_indicator_symbol_letter_k": "🇰",
+    "regional_indicator_symbol_letter_l": "🇱",
+    "regional_indicator_symbol_letter_m": "🇲",
+    "regional_indicator_symbol_letter_n": "🇳",
+    "regional_indicator_symbol_letter_o": "🇴",
+    "regional_indicator_symbol_letter_p": "🇵",
+    "regional_indicator_symbol_letter_q": "🇶",
+    "regional_indicator_symbol_letter_r": "🇷",
+    "regional_indicator_symbol_letter_s": "🇸",
+    "regional_indicator_symbol_letter_t": "🇹",
+    "regional_indicator_symbol_letter_u": "🇺",
+    "regional_indicator_symbol_letter_v": "🇻",
+    "regional_indicator_symbol_letter_w": "🇼",
+    "regional_indicator_symbol_letter_x": "🇽",
+    "regional_indicator_symbol_letter_y": "🇾",
+    "regional_indicator_symbol_letter_z": "🇿",
+    "airplane_arriving": "🛬",
+    "space_invader": "👾",
+    "football": "🏈",
+    "anger": "💢",
+    "angry": "😠",
+    "anguished": "😧",
+    "signal_strength": "📶",
+    "arrows_counterclockwise": "🔄",
+    "arrow_heading_down": "⤵",
+    "arrow_heading_up": "⤴",
+    "art": "🎨",
+    "astonished": "😲",
+    "athletic_shoe": "👟",
+    "atm": "🏧",
+    "car": "🚗",
+    "red_car": "🚗",
+    "angel": "👼",
+    "back": "🔙",
+    "badminton_racquet_and_shuttlecock": "🏸",
+    "dollar": "💵",
+    "euro": "💶",
+    "pound": "💷",
+    "yen": "💴",
+    "barber": "💈",
+    "bath": "🛀",
+    "bear": "🐻",
+    "heartbeat": "💓",
+    "beer": "🍺",
+    "no_bell": "🔕",
+    "bento": "🍱",
+    "bike": "🚲",
+    "bicyclist": "🚴",
+    "8ball": "🎱",
+    "biohazard_sign": "☣",
+    "birthday": "🎂",
+    "black_circle_for_record": "⏺",
+    "clubs": "♣",
+    "diamonds": "♦",
+    "arrow_double_down": "⏬",
+    "hearts": "♥",
+    "rewind": "⏪",
+    "black_left__pointing_double_triangle_with_vertical_bar": "⏮",
+    "arrow_backward": "◀",
+    "black_medium_small_square": "◾",
+    "question": "❓",
+    "fast_forward": "⏩",
+    "black_right__pointing_double_triangle_with_vertical_bar": "⏭",
+    "arrow_forward": "▶",
+    "black_right__pointing_triangle_with_double_vertical_bar": "⏯",
+    "arrow_right": "➡",
+    "spades": "♠",
+    "black_square_for_stop": "⏹",
+    "sunny": "☀",
+    "phone": "☎",
+    "recycle": "♻",
+    "arrow_double_up": "⏫",
+    "busstop": "🚏",
+    "date": "📅",
+    "flags": "🎏",
+    "cat2": "🐈",
+    "joy_cat": "😹",
+    "smirk_cat": "😼",
+    "chart_with_downwards_trend": "📉",
+    "chart_with_upwards_trend": "📈",
+    "chart": "💹",
+    "mega": "📣",
+    "checkered_flag": "🏁",
+    "accept": "🉑",
+    "ideograph_advantage": "🉐",
+    "congratulations": "㊗",
+    "secret": "㊙",
+    "m": "Ⓜ",
+    "city_sunset": "🌆",
+    "clapper": "🎬",
+    "clap": "👏",
+    "beers": "🍻",
+    "clock830": "🕣",
+    "clock8": "🕗",
+    "clock1130": "🕦",
+    "clock11": "🕚",
+    "clock530": "🕠",
+    "clock5": "🕔",
+    "clock430": "🕟",
+    "clock4": "🕓",
+    "clock930": "🕤",
+    "clock9": "🕘",
+    "clock130": "🕜",
+    "clock1": "🕐",
+    "clock730": "🕢",
+    "clock7": "🕖",
+    "clock630": "🕡",
+    "clock6": "🕕",
+    "clock1030": "🕥",
+    "clock10": "🕙",
+    "clock330": "🕞",
+    "clock3": "🕒",
+    "clock1230": "🕧",
+    "clock12": "🕛",
+    "clock230": "🕝",
+    "clock2": "🕑",
+    "arrows_clockwise": "🔃",
+    "repeat": "🔁",
+    "repeat_one": "🔂",
+    "closed_lock_with_key": "🔐",
+    "mailbox_closed": "📪",
+    "mailbox": "📫",
+    "cloud_with_tornado": "🌪",
+    "cocktail": "🍸",
+    "boom": "💥",
+    "compression": "🗜",
+    "confounded": "😖",
+    "confused": "😕",
+    "rice": "🍚",
+    "cow2": "🐄",
+    "cricket_bat_and_ball": "🏏",
+    "x": "❌",
+    "cry": "😢",
+    "curry": "🍛",
+    "dagger_knife": "🗡",
+    "dancer": "💃",
+    "dark_sunglasses": "🕶",
+    "dash": "💨",
+    "truck": "🚚",
+    "derelict_house_building": "🏚",
+    "diamond_shape_with_a_dot_inside": "💠",
+    "dart": "🎯",
+    "disappointed_relieved": "😥",
+    "disappointed": "😞",
+    "do_not_litter": "🚯",
+    "dog2": "🐕",
+    "flipper": "🐬",
+    "loop": "➿",
+    "bangbang": "‼",
+    "double_vertical_bar": "⏸",
+    "dove_of_peace": "🕊",
+    "small_red_triangle_down": "🔻",
+    "arrow_down_small": "🔽",
+    "arrow_down": "⬇",
+    "dromedary_camel": "🐪",
+    "e__mail": "📧",
+    "corn": "🌽",
+    "ear_of_rice": "🌾",
+    "earth_americas": "🌎",
+    "earth_asia": "🌏",
+    "earth_africa": "🌍",
+    "eight_pointed_black_star": "✴",
+    "eight_spoked_asterisk": "✳",
+    "eject_symbol": "⏏",
+    "bulb": "💡",
+    "emoji_modifier_fitzpatrick_type__1__2": "🏻",
+    "emoji_modifier_fitzpatrick_type__3": "🏼",
+    "emoji_modifier_fitzpatrick_type__4": "🏽",
+    "emoji_modifier_fitzpatrick_type__5": "🏾",
+    "emoji_modifier_fitzpatrick_type__6": "🏿",
+    "end": "🔚",
+    "email": "✉",
+    "european_castle": "🏰",
+    "european_post_office": "🏤",
+    "interrobang": "⁉",
+    "expressionless": "😑",
+    "eyeglasses": "👓",
+    "massage": "💆",
+    "yum": "😋",
+    "scream": "😱",
+    "kissing_heart": "😘",
+    "sweat": "😓",
+    "face_with_head__bandage": "🤕",
+    "triumph": "😤",
+    "mask": "😷",
+    "no_good": "🙅",
+    "ok_woman": "🙆",
+    "open_mouth": "😮",
+    "cold_sweat": "😰",
+    "stuck_out_tongue": "😛",
+    "stuck_out_tongue_closed_eyes": "😝",
+    "stuck_out_tongue_winking_eye": "😜",
+    "joy": "😂",
+    "no_mouth": "😶",
+    "santa": "🎅",
+    "fax": "📠",
+    "fearful": "😨",
+    "field_hockey_stick_and_ball": "🏑",
+    "first_quarter_moon_with_face": "🌛",
+    "fish_cake": "🍥",
+    "fishing_pole_and_fish": "🎣",
+    "facepunch": "👊",
+    "punch": "👊",
+    "flag_for_afghanistan": "🇦🇫",
+    "flag_for_albania": "🇦🇱",
+    "flag_for_algeria": "🇩🇿",
+    "flag_for_american_samoa": "🇦🇸",
+    "flag_for_andorra": "🇦🇩",
+    "flag_for_angola": "🇦🇴",
+    "flag_for_anguilla": "🇦🇮",
+    "flag_for_antarctica": "🇦🇶",
+    "flag_for_antigua_&_barbuda": "🇦🇬",
+    "flag_for_argentina": "🇦🇷",
+    "flag_for_armenia": "🇦🇲",
+    "flag_for_aruba": "🇦🇼",
+    "flag_for_ascension_island": "🇦🇨",
+    "flag_for_australia": "🇦🇺",
+    "flag_for_austria": "🇦🇹",
+    "flag_for_azerbaijan": "🇦🇿",
+    "flag_for_bahamas": "🇧🇸",
+    "flag_for_bahrain": "🇧🇭",
+    "flag_for_bangladesh": "🇧🇩",
+    "flag_for_barbados": "🇧🇧",
+    "flag_for_belarus": "🇧🇾",
+    "flag_for_belgium": "🇧🇪",
+    "flag_for_belize": "🇧🇿",
+    "flag_for_benin": "🇧🇯",
+    "flag_for_bermuda": "🇧🇲",
+    "flag_for_bhutan": "🇧🇹",
+    "flag_for_bolivia": "🇧🇴",
+    "flag_for_bosnia_&_herzegovina": "🇧🇦",
+    "flag_for_botswana": "🇧🇼",
+    "flag_for_bouvet_island": "🇧🇻",
+    "flag_for_brazil": "🇧🇷",
+    "flag_for_british_indian_ocean_territory": "🇮🇴",
+    "flag_for_british_virgin_islands": "🇻🇬",
+    "flag_for_brunei": "🇧🇳",
+    "flag_for_bulgaria": "🇧🇬",
+    "flag_for_burkina_faso": "🇧🇫",
+    "flag_for_burundi": "🇧🇮",
+    "flag_for_cambodia": "🇰🇭",
+    "flag_for_cameroon": "🇨🇲",
+    "flag_for_canada": "🇨🇦",
+    "flag_for_canary_islands": "🇮🇨",
+    "flag_for_cape_verde": "🇨🇻",
+    "flag_for_caribbean_netherlands": "🇧🇶",
+    "flag_for_cayman_islands": "🇰🇾",
+    "flag_for_central_african_republic": "🇨🇫",
+    "flag_for_ceuta_&_melilla": "🇪🇦",
+    "flag_for_chad": "🇹🇩",
+    "flag_for_chile": "🇨🇱",
+    "flag_for_china": "🇨🇳",
+    "flag_for_christmas_island": "🇨🇽",
+    "flag_for_clipperton_island": "🇨🇵",
+    "flag_for_cocos__islands": "🇨🇨",
+    "flag_for_colombia": "🇨🇴",
+    "flag_for_comoros": "🇰🇲",
+    "flag_for_congo____brazzaville": "🇨🇬",
+    "flag_for_congo____kinshasa": "🇨🇩",
+    "flag_for_cook_islands": "🇨🇰",
+    "flag_for_costa_rica": "🇨🇷",
+    "flag_for_croatia": "🇭🇷",
+    "flag_for_cuba": "🇨🇺",
+    "flag_for_curaçao": "🇨🇼",
+    "flag_for_cyprus": "🇨🇾",
+    "flag_for_czech_republic": "🇨🇿",
+    "flag_for_côte_d’ivoire": "🇨🇮",
+    "flag_for_denmark": "🇩🇰",
+    "flag_for_diego_garcia": "🇩🇬",
+    "flag_for_djibouti": "🇩🇯",
+    "flag_for_dominica": "🇩🇲",
+    "flag_for_dominican_republic": "🇩🇴",
+    "flag_for_ecuador": "🇪🇨",
+    "flag_for_egypt": "🇪🇬",
+    "flag_for_el_salvador": "🇸🇻",
+    "flag_for_equatorial_guinea": "🇬🇶",
+    "flag_for_eritrea": "🇪🇷",
+    "flag_for_estonia": "🇪🇪",
+    "flag_for_ethiopia": "🇪🇹",
+    "flag_for_european_union": "🇪🇺",
+    "flag_for_falkland_islands": "🇫🇰",
+    "flag_for_faroe_islands": "🇫🇴",
+    "flag_for_fiji": "🇫🇯",
+    "flag_for_finland": "🇫🇮",
+    "flag_for_france": "🇫🇷",
+    "flag_for_french_guiana": "🇬🇫",
+    "flag_for_french_polynesia": "🇵🇫",
+    "flag_for_french_southern_territories": "🇹🇫",
+    "flag_for_gabon": "🇬🇦",
+    "flag_for_gambia": "🇬🇲",
+    "flag_for_georgia": "🇬🇪",
+    "flag_for_germany": "🇩🇪",
+    "flag_for_ghana": "🇬🇭",
+    "flag_for_gibraltar": "🇬🇮",
+    "flag_for_greece": "🇬🇷",
+    "flag_for_greenland": "🇬🇱",
+    "flag_for_grenada": "🇬🇩",
+    "flag_for_guadeloupe": "🇬🇵",
+    "flag_for_guam": "🇬🇺",
+    "flag_for_guatemala": "🇬🇹",
+    "flag_for_guernsey": "🇬🇬",
+    "flag_for_guinea": "🇬🇳",
+    "flag_for_guinea__bissau": "🇬🇼",
+    "flag_for_guyana": "🇬🇾",
+    "flag_for_haiti": "🇭🇹",
+    "flag_for_heard_&_mcdonald_islands": "🇭🇲",
+    "flag_for_honduras": "🇭🇳",
+    "flag_for_hong_kong": "🇭🇰",
+    "flag_for_hungary": "🇭🇺",
+    "flag_for_iceland": "🇮🇸",
+    "flag_for_india": "🇮🇳",
+    "flag_for_indonesia": "🇮🇩",
+    "flag_for_iran": "🇮🇷",
+    "flag_for_iraq": "🇮🇶",
+    "flag_for_ireland": "🇮🇪",
+    "flag_for_isle_of_man": "🇮🇲",
+    "flag_for_israel": "🇮🇱",
+    "flag_for_italy": "🇮🇹",
+    "flag_for_jamaica": "🇯🇲",
+    "flag_for_japan": "🇯🇵",
+    "flag_for_jersey": "🇯🇪",
+    "flag_for_jordan": "🇯🇴",
+    "flag_for_kazakhstan": "🇰🇿",
+    "flag_for_kenya": "🇰🇪",
+    "flag_for_kiribati": "🇰🇮",
+    "flag_for_kosovo": "🇽🇰",
+    "flag_for_kuwait": "🇰🇼",
+    "flag_for_kyrgyzstan": "🇰🇬",
+    "flag_for_laos": "🇱🇦",
+    "flag_for_latvia": "🇱🇻",
+    "flag_for_lebanon": "🇱🇧",
+    "flag_for_lesotho": "🇱🇸",
+    "flag_for_liberia": "🇱🇷",
+    "flag_for_libya": "🇱🇾",
+    "flag_for_liechtenstein": "🇱🇮",
+    "flag_for_lithuania": "🇱🇹",
+    "flag_for_luxembourg": "🇱🇺",
+    "flag_for_macau": "🇲🇴",
+    "flag_for_macedonia": "🇲🇰",
+    "flag_for_madagascar": "🇲🇬",
+    "flag_for_malawi": "🇲🇼",
+    "flag_for_malaysia": "🇲🇾",
+    "flag_for_maldives": "🇲🇻",
+    "flag_for_mali": "🇲🇱",
+    "flag_for_malta": "🇲🇹",
+    "flag_for_marshall_islands": "🇲🇭",
+    "flag_for_martinique": "🇲🇶",
+    "flag_for_mauritania": "🇲🇷",
+    "flag_for_mauritius": "🇲🇺",
+    "flag_for_mayotte": "🇾🇹",
+    "flag_for_mexico": "🇲🇽",
+    "flag_for_micronesia": "🇫🇲",
+    "flag_for_moldova": "🇲🇩",
+    "flag_for_monaco": "🇲🇨",
+    "flag_for_mongolia": "🇲🇳",
+    "flag_for_montenegro": "🇲🇪",
+    "flag_for_montserrat": "🇲🇸",
+    "flag_for_morocco": "🇲🇦",
+    "flag_for_mozambique": "🇲🇿",
+    "flag_for_myanmar": "🇲🇲",
+    "flag_for_namibia": "🇳🇦",
+    "flag_for_nauru": "🇳🇷",
+    "flag_for_nepal": "🇳🇵",
+    "flag_for_netherlands": "🇳🇱",
+    "flag_for_new_caledonia": "🇳🇨",
+    "flag_for_new_zealand": "🇳🇿",
+    "flag_for_nicaragua": "🇳🇮",
+    "flag_for_niger": "🇳🇪",
+    "flag_for_nigeria": "🇳🇬",
+    "flag_for_niue": "🇳🇺",
+    "flag_for_norfolk_island": "🇳🇫",
+    "flag_for_north_korea": "🇰🇵",
+    "flag_for_northern_mariana_islands": "🇲🇵",
+    "flag_for_norway": "🇳🇴",
+    "flag_for_oman": "🇴🇲",
+    "flag_for_pakistan": "🇵🇰",
+    "flag_for_palau": "🇵🇼",
+    "flag_for_palestinian_territories": "🇵🇸",
+    "flag_for_panama": "🇵🇦",
+    "flag_for_papua_new_guinea": "🇵🇬",
+    "flag_for_paraguay": "🇵🇾",
+    "flag_for_peru": "🇵🇪",
+    "flag_for_philippines": "🇵🇭",
+    "flag_for_pitcairn_islands": "🇵🇳",
+    "flag_for_poland": "🇵🇱",
+    "flag_for_portugal": "🇵🇹",
+    "flag_for_puerto_rico": "🇵🇷",
+    "flag_for_qatar": "🇶🇦",
+    "flag_for_romania": "🇷🇴",
+    "flag_for_russia": "🇷🇺",
+    "flag_for_rwanda": "🇷🇼",
+    "flag_for_réunion": "🇷🇪",
+    "flag_for_samoa": "🇼🇸",
+    "flag_for_san_marino": "🇸🇲",
+    "flag_for_saudi_arabia": "🇸🇦",
+    "flag_for_senegal": "🇸🇳",
+    "flag_for_serbia": "🇷🇸",
+    "flag_for_seychelles": "🇸🇨",
+    "flag_for_sierra_leone": "🇸🇱",
+    "flag_for_singapore": "🇸🇬",
+    "flag_for_sint_maarten": "🇸🇽",
+    "flag_for_slovakia": "🇸🇰",
+    "flag_for_slovenia": "🇸🇮",
+    "flag_for_solomon_islands": "🇸🇧",
+    "flag_for_somalia": "🇸🇴",
+    "flag_for_south_africa": "🇿🇦",
+    "flag_for_south_georgia_&_south_sandwich_islands": "🇬🇸",
+    "flag_for_south_korea": "🇰🇷",
+    "flag_for_south_sudan": "🇸🇸",
+    "flag_for_spain": "🇪🇸",
+    "flag_for_sri_lanka": "🇱🇰",
+    "flag_for_st._barthélemy": "🇧🇱",
+    "flag_for_st._helena": "🇸🇭",
+    "flag_for_st._kitts_&_nevis": "🇰🇳",
+    "flag_for_st._lucia": "🇱🇨",
+    "flag_for_st._martin": "🇲🇫",
+    "flag_for_st._pierre_&_miquelon": "🇵🇲",
+    "flag_for_st._vincent_&_grenadines": "🇻🇨",
+    "flag_for_sudan": "🇸🇩",
+    "flag_for_suriname": "🇸🇷",
+    "flag_for_svalbard_&_jan_mayen": "🇸🇯",
+    "flag_for_swaziland": "🇸🇿",
+    "flag_for_sweden": "🇸🇪",
+    "flag_for_switzerland": "🇨🇭",
+    "flag_for_syria": "🇸🇾",
+    "flag_for_são_tomé_&_príncipe": "🇸🇹",
+    "flag_for_taiwan": "🇹🇼",
+    "flag_for_tajikistan": "🇹🇯",
+    "flag_for_tanzania": "🇹🇿",
+    "flag_for_thailand": "🇹🇭",
+    "flag_for_timor__leste": "🇹🇱",
+    "flag_for_togo": "🇹🇬",
+    "flag_for_tokelau": "🇹🇰",
+    "flag_for_tonga": "🇹🇴",
+    "flag_for_trinidad_&_tobago": "🇹🇹",
+    "flag_for_tristan_da_cunha": "🇹🇦",
+    "flag_for_tunisia": "🇹🇳",
+    "flag_for_turkey": "🇹🇷",
+    "flag_for_turkmenistan": "🇹🇲",
+    "flag_for_turks_&_caicos_islands": "🇹🇨",
+    "flag_for_tuvalu": "🇹🇻",
+    "flag_for_u.s._outlying_islands": "🇺🇲",
+    "flag_for_u.s._virgin_islands": "🇻🇮",
+    "flag_for_uganda": "🇺🇬",
+    "flag_for_ukraine": "🇺🇦",
+    "flag_for_united_arab_emirates": "🇦🇪",
+    "flag_for_united_kingdom": "🇬🇧",
+    "flag_for_united_states": "🇺🇸",
+    "flag_for_uruguay": "🇺🇾",
+    "flag_for_uzbekistan": "🇺🇿",
+    "flag_for_vanuatu": "🇻🇺",
+    "flag_for_vatican_city": "🇻🇦",
+    "flag_for_venezuela": "🇻🇪",
+    "flag_for_vietnam": "🇻🇳",
+    "flag_for_wallis_&_futuna": "🇼🇫",
+    "flag_for_western_sahara": "🇪🇭",
+    "flag_for_yemen": "🇾🇪",
+    "flag_for_zambia": "🇿🇲",
+    "flag_for_zimbabwe": "🇿🇼",
+    "flag_for_åland_islands": "🇦🇽",
+    "golf": "⛳",
+    "fleur__de__lis": "⚜",
+    "muscle": "💪",
+    "flushed": "😳",
+    "frame_with_picture": "🖼",
+    "fries": "🍟",
+    "frog": "🐸",
+    "hatched_chick": "🐥",
+    "frowning": "😦",
+    "fuelpump": "⛽",
+    "full_moon_with_face": "🌝",
+    "gem": "💎",
+    "star2": "🌟",
+    "golfer": "🏌",
+    "mortar_board": "🎓",
+    "grimacing": "😬",
+    "smile_cat": "😸",
+    "grinning": "😀",
+    "grin": "😁",
+    "heartpulse": "💗",
+    "guardsman": "💂",
+    "haircut": "💇",
+    "hamster": "🐹",
+    "raising_hand": "🙋",
+    "headphones": "🎧",
+    "hear_no_evil": "🙉",
+    "cupid": "💘",
+    "gift_heart": "💝",
+    "heart": "❤",
+    "exclamation": "❗",
+    "heavy_exclamation_mark": "❗",
+    "heavy_heart_exclamation_mark_ornament": "❣",
+    "o": "⭕",
+    "helm_symbol": "⎈",
+    "helmet_with_white_cross": "⛑",
+    "high_heel": "👠",
+    "bullettrain_side": "🚄",
+    "bullettrain_front": "🚅",
+    "high_brightness": "🔆",
+    "zap": "⚡",
+    "hocho": "🔪",
+    "knife": "🔪",
+    "bee": "🐝",
+    "traffic_light": "🚥",
+    "racehorse": "🐎",
+    "coffee": "☕",
+    "hotsprings": "♨",
+    "hourglass": "⌛",
+    "hourglass_flowing_sand": "⏳",
+    "house_buildings": "🏘",
+    "100": "💯",
+    "hushed": "😯",
+    "ice_hockey_stick_and_puck": "🏒",
+    "imp": "👿",
+    "information_desk_person": "💁",
+    "information_source": "ℹ",
+    "capital_abcd": "🔠",
+    "abc": "🔤",
+    "abcd": "🔡",
+    "1234": "🔢",
+    "symbols": "🔣",
+    "izakaya_lantern": "🏮",
+    "lantern": "🏮",
+    "jack_o_lantern": "🎃",
+    "dolls": "🎎",
+    "japanese_goblin": "👺",
+    "japanese_ogre": "👹",
+    "beginner": "🔰",
+    "zero": "0️⃣",
+    "one": "1️⃣",
+    "ten": "🔟",
+    "two": "2️⃣",
+    "three": "3️⃣",
+    "four": "4️⃣",
+    "five": "5️⃣",
+    "six": "6️⃣",
+    "seven": "7️⃣",
+    "eight": "8️⃣",
+    "nine": "9️⃣",
+    "couplekiss": "💏",
+    "kissing_cat": "😽",
+    "kissing": "😗",
+    "kissing_closed_eyes": "😚",
+    "kissing_smiling_eyes": "😙",
+    "beetle": "🐞",
+    "large_blue_circle": "🔵",
+    "last_quarter_moon_with_face": "🌜",
+    "leaves": "🍃",
+    "mag": "🔍",
+    "left_right_arrow": "↔",
+    "leftwards_arrow_with_hook": "↩",
+    "arrow_left": "⬅",
+    "lock": "🔒",
+    "lock_with_ink_pen": "🔏",
+    "sob": "😭",
+    "low_brightness": "🔅",
+    "lower_left_ballpoint_pen": "🖊",
+    "lower_left_crayon": "🖍",
+    "lower_left_fountain_pen": "🖋",
+    "lower_left_paintbrush": "🖌",
+    "mahjong": "🀄",
+    "couple": "👫",
+    "man_in_business_suit_levitating": "🕴",
+    "man_with_gua_pi_mao": "👲",
+    "man_with_turban": "👳",
+    "mans_shoe": "👞",
+    "shoe": "👞",
+    "menorah_with_nine_branches": "🕎",
+    "mens": "🚹",
+    "minidisc": "💽",
+    "iphone": "📱",
+    "calling": "📲",
+    "money__mouth_face": "🤑",
+    "moneybag": "💰",
+    "rice_scene": "🎑",
+    "mountain_bicyclist": "🚵",
+    "mouse2": "🐁",
+    "lips": "👄",
+    "moyai": "🗿",
+    "notes": "🎶",
+    "nail_care": "💅",
+    "ab": "🆎",
+    "negative_squared_cross_mark": "❎",
+    "a": "🅰",
+    "b": "🅱",
+    "o2": "🅾",
+    "parking": "🅿",
+    "new_moon_with_face": "🌚",
+    "no_entry_sign": "🚫",
+    "underage": "🔞",
+    "non__potable_water": "🚱",
+    "arrow_upper_right": "↗",
+    "arrow_upper_left": "↖",
+    "office": "🏢",
+    "older_man": "👴",
+    "older_woman": "👵",
+    "om_symbol": "🕉",
+    "on": "🔛",
+    "book": "📖",
+    "unlock": "🔓",
+    "mailbox_with_no_mail": "📭",
+    "mailbox_with_mail": "📬",
+    "cd": "💿",
+    "tada": "🎉",
+    "feet": "🐾",
+    "walking": "🚶",
+    "pencil2": "✏",
+    "pensive": "😔",
+    "persevere": "😣",
+    "bow": "🙇",
+    "raised_hands": "🙌",
+    "person_with_ball": "⛹",
+    "person_with_blond_hair": "👱",
+    "pray": "🙏",
+    "person_with_pouting_face": "🙎",
+    "computer": "💻",
+    "pig2": "🐖",
+    "hankey": "💩",
+    "poop": "💩",
+    "shit": "💩",
+    "bamboo": "🎍",
+    "gun": "🔫",
+    "black_joker": "🃏",
+    "rotating_light": "🚨",
+    "cop": "👮",
+    "stew": "🍲",
+    "pouch": "👝",
+    "pouting_cat": "😾",
+    "rage": "😡",
+    "put_litter_in_its_place": "🚮",
+    "rabbit2": "🐇",
+    "racing_motorcycle": "🏍",
+    "radioactive_sign": "☢",
+    "fist": "✊",
+    "hand": "✋",
+    "raised_hand_with_fingers_splayed": "🖐",
+    "raised_hand_with_part_between_middle_and_ring_fingers": "🖖",
+    "blue_car": "🚙",
+    "apple": "🍎",
+    "relieved": "😌",
+    "reversed_hand_with_middle_finger_extended": "🖕",
+    "mag_right": "🔎",
+    "arrow_right_hook": "↪",
+    "sweet_potato": "🍠",
+    "robot": "🤖",
+    "rolled__up_newspaper": "🗞",
+    "rowboat": "🚣",
+    "runner": "🏃",
+    "running": "🏃",
+    "running_shirt_with_sash": "🎽",
+    "boat": "⛵",
+    "scales": "⚖",
+    "school_satchel": "🎒",
+    "scorpius": "♏",
+    "see_no_evil": "🙈",
+    "sheep": "🐑",
+    "stars": "🌠",
+    "cake": "🍰",
+    "six_pointed_star": "🔯",
+    "ski": "🎿",
+    "sleeping_accommodation": "🛌",
+    "sleeping": "😴",
+    "sleepy": "😪",
+    "sleuth_or_spy": "🕵",
+    "heart_eyes_cat": "😻",
+    "smiley_cat": "😺",
+    "innocent": "😇",
+    "heart_eyes": "😍",
+    "smiling_imp": "😈",
+    "smiley": "😃",
+    "sweat_smile": "😅",
+    "smile": "😄",
+    "laughing": "😆",
+    "satisfied": "😆",
+    "blush": "😊",
+    "smirk": "😏",
+    "smoking": "🚬",
+    "snow_capped_mountain": "🏔",
+    "soccer": "⚽",
+    "icecream": "🍦",
+    "soon": "🔜",
+    "arrow_lower_right": "↘",
+    "arrow_lower_left": "↙",
+    "speak_no_evil": "🙊",
+    "speaker": "🔈",
+    "mute": "🔇",
+    "sound": "🔉",
+    "loud_sound": "🔊",
+    "speaking_head_in_silhouette": "🗣",
+    "spiral_calendar_pad": "🗓",
+    "spiral_note_pad": "🗒",
+    "shell": "🐚",
+    "sweat_drops": "💦",
+    "u5272": "🈹",
+    "u5408": "🈴",
+    "u55b6": "🈺",
+    "u6307": "🈯",
+    "u6708": "🈷",
+    "u6709": "🈶",
+    "u6e80": "🈵",
+    "u7121": "🈚",
+    "u7533": "🈸",
+    "u7981": "🈲",
+    "u7a7a": "🈳",
+    "cl": "🆑",
+    "cool": "🆒",
+    "free": "🆓",
+    "id": "🆔",
+    "koko": "🈁",
+    "sa": "🈂",
+    "new": "🆕",
+    "ng": "🆖",
+    "ok": "🆗",
+    "sos": "🆘",
+    "up": "🆙",
+    "vs": "🆚",
+    "steam_locomotive": "🚂",
+    "ramen": "🍜",
+    "partly_sunny": "⛅",
+    "city_sunrise": "🌇",
+    "surfer": "🏄",
+    "swimmer": "🏊",
+    "shirt": "👕",
+    "tshirt": "👕",
+    "table_tennis_paddle_and_ball": "🏓",
+    "tea": "🍵",
+    "tv": "📺",
+    "three_button_mouse": "🖱",
+    "+1": "👍",
+    "thumbsup": "👍",
+    "__1": "👎",
+    "-1": "👎",
+    "thumbsdown": "👎",
+    "thunder_cloud_and_rain": "⛈",
+    "tiger2": "🐅",
+    "tophat": "🎩",
+    "top": "🔝",
+    "tm": "™",
+    "train2": "🚆",
+    "triangular_flag_on_post": "🚩",
+    "trident": "🔱",
+    "twisted_rightwards_arrows": "🔀",
+    "unamused": "😒",
+    "small_red_triangle": "🔺",
+    "arrow_up_small": "🔼",
+    "arrow_up_down": "↕",
+    "upside__down_face": "🙃",
+    "arrow_up": "⬆",
+    "v": "✌",
+    "vhs": "📼",
+    "wc": "🚾",
+    "ocean": "🌊",
+    "waving_black_flag": "🏴",
+    "wave": "👋",
+    "waving_white_flag": "🏳",
+    "moon": "🌔",
+    "scream_cat": "🙀",
+    "weary": "😩",
+    "weight_lifter": "🏋",
+    "whale2": "🐋",
+    "wheelchair": "♿",
+    "point_down": "👇",
+    "grey_exclamation": "❕",
+    "white_frowning_face": "☹",
+    "white_check_mark": "✅",
+    "point_left": "👈",
+    "white_medium_small_square": "◽",
+    "star": "⭐",
+    "grey_question": "❔",
+    "point_right": "👉",
+    "relaxed": "☺",
+    "white_sun_behind_cloud": "🌥",
+    "white_sun_behind_cloud_with_rain": "🌦",
+    "white_sun_with_small_cloud": "🌤",
+    "point_up_2": "👆",
+    "point_up": "☝",
+    "wind_blowing_face": "🌬",
+    "wink": "😉",
+    "wolf": "🐺",
+    "dancers": "👯",
+    "boot": "👢",
+    "womans_clothes": "👚",
+    "womans_hat": "👒",
+    "sandal": "👡",
+    "womens": "🚺",
+    "worried": "😟",
+    "gift": "🎁",
+    "zipper__mouth_face": "🤐",
+    "regional_indicator_a": "🇦",
+    "regional_indicator_b": "🇧",
+    "regional_indicator_c": "🇨",
+    "regional_indicator_d": "🇩",
+    "regional_indicator_e": "🇪",
+    "regional_indicator_f": "🇫",
+    "regional_indicator_g": "🇬",
+    "regional_indicator_h": "🇭",
+    "regional_indicator_i": "🇮",
+    "regional_indicator_j": "🇯",
+    "regional_indicator_k": "🇰",
+    "regional_indicator_l": "🇱",
+    "regional_indicator_m": "🇲",
+    "regional_indicator_n": "🇳",
+    "regional_indicator_o": "🇴",
+    "regional_indicator_p": "🇵",
+    "regional_indicator_q": "🇶",
+    "regional_indicator_r": "🇷",
+    "regional_indicator_s": "🇸",
+    "regional_indicator_t": "🇹",
+    "regional_indicator_u": "🇺",
+    "regional_indicator_v": "🇻",
+    "regional_indicator_w": "🇼",
+    "regional_indicator_x": "🇽",
+    "regional_indicator_y": "🇾",
+    "regional_indicator_z": "🇿",
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_emoji_replace.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_emoji_replace.py
new file mode 100644
index 00000000..bb2cafa1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_emoji_replace.py
@@ -0,0 +1,32 @@
+from typing import Callable, Match, Optional
+import re
+
+from ._emoji_codes import EMOJI
+
+
+_ReStringMatch = Match[str]  # regex match object
+_ReSubCallable = Callable[[_ReStringMatch], str]  # Callable invoked by re.sub
+_EmojiSubMethod = Callable[[_ReSubCallable, str], str]  # Sub method of a compiled re
+
+
+def _emoji_replace(
+    text: str,
+    default_variant: Optional[str] = None,
+    _emoji_sub: _EmojiSubMethod = re.compile(r"(:(\S*?)(?:(?:\-)(emoji|text))?:)").sub,
+) -> str:
+    """Replace emoji code in text."""
+    get_emoji = EMOJI.__getitem__
+    variants = {"text": "\uFE0E", "emoji": "\uFE0F"}
+    get_variant = variants.get
+    default_variant_code = variants.get(default_variant, "") if default_variant else ""
+
+    def do_replace(match: Match[str]) -> str:
+        emoji_code, emoji_name, variant = match.groups()
+        try:
+            return get_emoji(emoji_name.lower()) + get_variant(
+                variant, default_variant_code
+            )
+        except KeyError:
+            return emoji_code
+
+    return _emoji_sub(do_replace, text)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_export_format.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_export_format.py
new file mode 100644
index 00000000..094d2dc2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_export_format.py
@@ -0,0 +1,76 @@
+CONSOLE_HTML_FORMAT = """\
+<!DOCTYPE html>
+<head>
+<meta charset="UTF-8">
+<style>
+{stylesheet}
+body {{
+    color: {foreground};
+    background-color: {background};
+}}
+</style>
+</head>
+<html>
+<body>
+    <pre style="font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace"><code>{code}</code></pre>
+</body>
+</html>
+"""
+
+CONSOLE_SVG_FORMAT = """\
+<svg class="rich-terminal" viewBox="0 0 {width} {height}" xmlns="http://www.w3.org/2000/svg">
+    <!-- Generated with Rich https://www.textualize.io -->
+    <style>
+
+    @font-face {{
+        font-family: "Fira Code";
+        src: local("FiraCode-Regular"),
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff2/FiraCode-Regular.woff2") format("woff2"),
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff/FiraCode-Regular.woff") format("woff");
+        font-style: normal;
+        font-weight: 400;
+    }}
+    @font-face {{
+        font-family: "Fira Code";
+        src: local("FiraCode-Bold"),
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff2/FiraCode-Bold.woff2") format("woff2"),
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff/FiraCode-Bold.woff") format("woff");
+        font-style: bold;
+        font-weight: 700;
+    }}
+
+    .{unique_id}-matrix {{
+        font-family: Fira Code, monospace;
+        font-size: {char_height}px;
+        line-height: {line_height}px;
+        font-variant-east-asian: full-width;
+    }}
+
+    .{unique_id}-title {{
+        font-size: 18px;
+        font-weight: bold;
+        font-family: arial;
+    }}
+
+    {styles}
+    </style>
+
+    <defs>
+    <clipPath id="{unique_id}-clip-terminal">
+      <rect x="0" y="0" width="{terminal_width}" height="{terminal_height}" />
+    </clipPath>
+    {lines}
+    </defs>
+
+    {chrome}
+    <g transform="translate({terminal_x}, {terminal_y})" clip-path="url(#{unique_id}-clip-terminal)">
+    {backgrounds}
+    <g class="{unique_id}-matrix">
+    {matrix}
+    </g>
+    </g>
+</svg>
+"""
+
+_SVG_FONT_FAMILY = "Rich Fira Code"
+_SVG_CLASSES_PREFIX = "rich-svg"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_extension.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_extension.py
new file mode 100644
index 00000000..cbd6da9b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_extension.py
@@ -0,0 +1,10 @@
+from typing import Any
+
+
+def load_ipython_extension(ip: Any) -> None:  # pragma: no cover
+    # prevent circular import
+    from pip._vendor.rich.pretty import install
+    from pip._vendor.rich.traceback import install as tr_install
+
+    install()
+    tr_install()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_fileno.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_fileno.py
new file mode 100644
index 00000000..b17ee651
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_fileno.py
@@ -0,0 +1,24 @@
+from __future__ import annotations
+
+from typing import IO, Callable
+
+
+def get_fileno(file_like: IO[str]) -> int | None:
+    """Get fileno() from a file, accounting for poorly implemented file-like objects.
+
+    Args:
+        file_like (IO): A file-like object.
+
+    Returns:
+        int | None: The result of fileno if available, or None if operation failed.
+    """
+    fileno: Callable[[], int] | None = getattr(file_like, "fileno", None)
+    if fileno is not None:
+        try:
+            return fileno()
+        except Exception:
+            # `fileno` is documented as potentially raising a OSError
+            # Alas, from the issues, there are so many poorly implemented file-like objects,
+            # that `fileno()` can raise just about anything.
+            return None
+    return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_inspect.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_inspect.py
new file mode 100644
index 00000000..30446ceb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_inspect.py
@@ -0,0 +1,270 @@
+from __future__ import absolute_import
+
+import inspect
+from inspect import cleandoc, getdoc, getfile, isclass, ismodule, signature
+from typing import Any, Collection, Iterable, Optional, Tuple, Type, Union
+
+from .console import Group, RenderableType
+from .control import escape_control_codes
+from .highlighter import ReprHighlighter
+from .jupyter import JupyterMixin
+from .panel import Panel
+from .pretty import Pretty
+from .table import Table
+from .text import Text, TextType
+
+
+def _first_paragraph(doc: str) -> str:
+    """Get the first paragraph from a docstring."""
+    paragraph, _, _ = doc.partition("\n\n")
+    return paragraph
+
+
+class Inspect(JupyterMixin):
+    """A renderable to inspect any Python Object.
+
+    Args:
+        obj (Any): An object to inspect.
+        title (str, optional): Title to display over inspect result, or None use type. Defaults to None.
+        help (bool, optional): Show full help text rather than just first paragraph. Defaults to False.
+        methods (bool, optional): Enable inspection of callables. Defaults to False.
+        docs (bool, optional): Also render doc strings. Defaults to True.
+        private (bool, optional): Show private attributes (beginning with underscore). Defaults to False.
+        dunder (bool, optional): Show attributes starting with double underscore. Defaults to False.
+        sort (bool, optional): Sort attributes alphabetically. Defaults to True.
+        all (bool, optional): Show all attributes. Defaults to False.
+        value (bool, optional): Pretty print value of object. Defaults to True.
+    """
+
+    def __init__(
+        self,
+        obj: Any,
+        *,
+        title: Optional[TextType] = None,
+        help: bool = False,
+        methods: bool = False,
+        docs: bool = True,
+        private: bool = False,
+        dunder: bool = False,
+        sort: bool = True,
+        all: bool = True,
+        value: bool = True,
+    ) -> None:
+        self.highlighter = ReprHighlighter()
+        self.obj = obj
+        self.title = title or self._make_title(obj)
+        if all:
+            methods = private = dunder = True
+        self.help = help
+        self.methods = methods
+        self.docs = docs or help
+        self.private = private or dunder
+        self.dunder = dunder
+        self.sort = sort
+        self.value = value
+
+    def _make_title(self, obj: Any) -> Text:
+        """Make a default title."""
+        title_str = (
+            str(obj)
+            if (isclass(obj) or callable(obj) or ismodule(obj))
+            else str(type(obj))
+        )
+        title_text = self.highlighter(title_str)
+        return title_text
+
+    def __rich__(self) -> Panel:
+        return Panel.fit(
+            Group(*self._render()),
+            title=self.title,
+            border_style="scope.border",
+            padding=(0, 1),
+        )
+
+    def _get_signature(self, name: str, obj: Any) -> Optional[Text]:
+        """Get a signature for a callable."""
+        try:
+            _signature = str(signature(obj)) + ":"
+        except ValueError:
+            _signature = "(...)"
+        except TypeError:
+            return None
+
+        source_filename: Optional[str] = None
+        try:
+            source_filename = getfile(obj)
+        except (OSError, TypeError):
+            # OSError is raised if obj has no source file, e.g. when defined in REPL.
+            pass
+
+        callable_name = Text(name, style="inspect.callable")
+        if source_filename:
+            callable_name.stylize(f"link file://{source_filename}")
+        signature_text = self.highlighter(_signature)
+
+        qualname = name or getattr(obj, "__qualname__", name)
+
+        # If obj is a module, there may be classes (which are callable) to display
+        if inspect.isclass(obj):
+            prefix = "class"
+        elif inspect.iscoroutinefunction(obj):
+            prefix = "async def"
+        else:
+            prefix = "def"
+
+        qual_signature = Text.assemble(
+            (f"{prefix} ", f"inspect.{prefix.replace(' ', '_')}"),
+            (qualname, "inspect.callable"),
+            signature_text,
+        )
+
+        return qual_signature
+
+    def _render(self) -> Iterable[RenderableType]:
+        """Render object."""
+
+        def sort_items(item: Tuple[str, Any]) -> Tuple[bool, str]:
+            key, (_error, value) = item
+            return (callable(value), key.strip("_").lower())
+
+        def safe_getattr(attr_name: str) -> Tuple[Any, Any]:
+            """Get attribute or any exception."""
+            try:
+                return (None, getattr(obj, attr_name))
+            except Exception as error:
+                return (error, None)
+
+        obj = self.obj
+        keys = dir(obj)
+        total_items = len(keys)
+        if not self.dunder:
+            keys = [key for key in keys if not key.startswith("__")]
+        if not self.private:
+            keys = [key for key in keys if not key.startswith("_")]
+        not_shown_count = total_items - len(keys)
+        items = [(key, safe_getattr(key)) for key in keys]
+        if self.sort:
+            items.sort(key=sort_items)
+
+        items_table = Table.grid(padding=(0, 1), expand=False)
+        items_table.add_column(justify="right")
+        add_row = items_table.add_row
+        highlighter = self.highlighter
+
+        if callable(obj):
+            signature = self._get_signature("", obj)
+            if signature is not None:
+                yield signature
+                yield ""
+
+        if self.docs:
+            _doc = self._get_formatted_doc(obj)
+            if _doc is not None:
+                doc_text = Text(_doc, style="inspect.help")
+                doc_text = highlighter(doc_text)
+                yield doc_text
+                yield ""
+
+        if self.value and not (isclass(obj) or callable(obj) or ismodule(obj)):
+            yield Panel(
+                Pretty(obj, indent_guides=True, max_length=10, max_string=60),
+                border_style="inspect.value.border",
+            )
+            yield ""
+
+        for key, (error, value) in items:
+            key_text = Text.assemble(
+                (
+                    key,
+                    "inspect.attr.dunder" if key.startswith("__") else "inspect.attr",
+                ),
+                (" =", "inspect.equals"),
+            )
+            if error is not None:
+                warning = key_text.copy()
+                warning.stylize("inspect.error")
+                add_row(warning, highlighter(repr(error)))
+                continue
+
+            if callable(value):
+                if not self.methods:
+                    continue
+
+                _signature_text = self._get_signature(key, value)
+                if _signature_text is None:
+                    add_row(key_text, Pretty(value, highlighter=highlighter))
+                else:
+                    if self.docs:
+                        docs = self._get_formatted_doc(value)
+                        if docs is not None:
+                            _signature_text.append("\n" if "\n" in docs else " ")
+                            doc = highlighter(docs)
+                            doc.stylize("inspect.doc")
+                            _signature_text.append(doc)
+
+                    add_row(key_text, _signature_text)
+            else:
+                add_row(key_text, Pretty(value, highlighter=highlighter))
+        if items_table.row_count:
+            yield items_table
+        elif not_shown_count:
+            yield Text.from_markup(
+                f"[b cyan]{not_shown_count}[/][i] attribute(s) not shown.[/i] "
+                f"Run [b][magenta]inspect[/]([not b]inspect[/])[/b] for options."
+            )
+
+    def _get_formatted_doc(self, object_: Any) -> Optional[str]:
+        """
+        Extract the docstring of an object, process it and returns it.
+        The processing consists in cleaning up the doctring's indentation,
+        taking only its 1st paragraph if `self.help` is not True,
+        and escape its control codes.
+
+        Args:
+            object_ (Any): the object to get the docstring from.
+
+        Returns:
+            Optional[str]: the processed docstring, or None if no docstring was found.
+        """
+        docs = getdoc(object_)
+        if docs is None:
+            return None
+        docs = cleandoc(docs).strip()
+        if not self.help:
+            docs = _first_paragraph(docs)
+        return escape_control_codes(docs)
+
+
+def get_object_types_mro(obj: Union[object, Type[Any]]) -> Tuple[type, ...]:
+    """Returns the MRO of an object's class, or of the object itself if it's a class."""
+    if not hasattr(obj, "__mro__"):
+        # N.B. we cannot use `if type(obj) is type` here because it doesn't work with
+        # some types of classes, such as the ones that use abc.ABCMeta.
+        obj = type(obj)
+    return getattr(obj, "__mro__", ())
+
+
+def get_object_types_mro_as_strings(obj: object) -> Collection[str]:
+    """
+    Returns the MRO of an object's class as full qualified names, or of the object itself if it's a class.
+
+    Examples:
+        `object_types_mro_as_strings(JSONDecoder)` will return `['json.decoder.JSONDecoder', 'builtins.object']`
+    """
+    return [
+        f'{getattr(type_, "__module__", "")}.{getattr(type_, "__qualname__", "")}'
+        for type_ in get_object_types_mro(obj)
+    ]
+
+
+def is_object_one_of_types(
+    obj: object, fully_qualified_types_names: Collection[str]
+) -> bool:
+    """
+    Returns `True` if the given object's class (or the object itself, if it's a class) has one of the
+    fully qualified names in its MRO.
+    """
+    for type_name in get_object_types_mro_as_strings(obj):
+        if type_name in fully_qualified_types_names:
+            return True
+    return False
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_log_render.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_log_render.py
new file mode 100644
index 00000000..fc16c844
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_log_render.py
@@ -0,0 +1,94 @@
+from datetime import datetime
+from typing import Iterable, List, Optional, TYPE_CHECKING, Union, Callable
+
+
+from .text import Text, TextType
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleRenderable, RenderableType
+    from .table import Table
+
+FormatTimeCallable = Callable[[datetime], Text]
+
+
+class LogRender:
+    def __init__(
+        self,
+        show_time: bool = True,
+        show_level: bool = False,
+        show_path: bool = True,
+        time_format: Union[str, FormatTimeCallable] = "[%x %X]",
+        omit_repeated_times: bool = True,
+        level_width: Optional[int] = 8,
+    ) -> None:
+        self.show_time = show_time
+        self.show_level = show_level
+        self.show_path = show_path
+        self.time_format = time_format
+        self.omit_repeated_times = omit_repeated_times
+        self.level_width = level_width
+        self._last_time: Optional[Text] = None
+
+    def __call__(
+        self,
+        console: "Console",
+        renderables: Iterable["ConsoleRenderable"],
+        log_time: Optional[datetime] = None,
+        time_format: Optional[Union[str, FormatTimeCallable]] = None,
+        level: TextType = "",
+        path: Optional[str] = None,
+        line_no: Optional[int] = None,
+        link_path: Optional[str] = None,
+    ) -> "Table":
+        from .containers import Renderables
+        from .table import Table
+
+        output = Table.grid(padding=(0, 1))
+        output.expand = True
+        if self.show_time:
+            output.add_column(style="log.time")
+        if self.show_level:
+            output.add_column(style="log.level", width=self.level_width)
+        output.add_column(ratio=1, style="log.message", overflow="fold")
+        if self.show_path and path:
+            output.add_column(style="log.path")
+        row: List["RenderableType"] = []
+        if self.show_time:
+            log_time = log_time or console.get_datetime()
+            time_format = time_format or self.time_format
+            if callable(time_format):
+                log_time_display = time_format(log_time)
+            else:
+                log_time_display = Text(log_time.strftime(time_format))
+            if log_time_display == self._last_time and self.omit_repeated_times:
+                row.append(Text(" " * len(log_time_display)))
+            else:
+                row.append(log_time_display)
+                self._last_time = log_time_display
+        if self.show_level:
+            row.append(level)
+
+        row.append(Renderables(renderables))
+        if self.show_path and path:
+            path_text = Text()
+            path_text.append(
+                path, style=f"link file://{link_path}" if link_path else ""
+            )
+            if line_no:
+                path_text.append(":")
+                path_text.append(
+                    f"{line_no}",
+                    style=f"link file://{link_path}#{line_no}" if link_path else "",
+                )
+            row.append(path_text)
+
+        output.add_row(*row)
+        return output
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+
+    c = Console()
+    c.print("[on blue]Hello", justify="right")
+    c.log("[on blue]hello", justify="right")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_loop.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_loop.py
new file mode 100644
index 00000000..01c6cafb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_loop.py
@@ -0,0 +1,43 @@
+from typing import Iterable, Tuple, TypeVar
+
+T = TypeVar("T")
+
+
+def loop_first(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for first value."""
+    iter_values = iter(values)
+    try:
+        value = next(iter_values)
+    except StopIteration:
+        return
+    yield True, value
+    for value in iter_values:
+        yield False, value
+
+
+def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value
+
+
+def loop_first_last(values: Iterable[T]) -> Iterable[Tuple[bool, bool, T]]:
+    """Iterate and generate a tuple with a flag for first and last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    first = True
+    for value in iter_values:
+        yield first, False, previous_value
+        first = False
+        previous_value = value
+    yield first, True, previous_value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_null_file.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_null_file.py
new file mode 100644
index 00000000..b659673e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_null_file.py
@@ -0,0 +1,69 @@
+from types import TracebackType
+from typing import IO, Iterable, Iterator, List, Optional, Type
+
+
+class NullFile(IO[str]):
+    def close(self) -> None:
+        pass
+
+    def isatty(self) -> bool:
+        return False
+
+    def read(self, __n: int = 1) -> str:
+        return ""
+
+    def readable(self) -> bool:
+        return False
+
+    def readline(self, __limit: int = 1) -> str:
+        return ""
+
+    def readlines(self, __hint: int = 1) -> List[str]:
+        return []
+
+    def seek(self, __offset: int, __whence: int = 1) -> int:
+        return 0
+
+    def seekable(self) -> bool:
+        return False
+
+    def tell(self) -> int:
+        return 0
+
+    def truncate(self, __size: Optional[int] = 1) -> int:
+        return 0
+
+    def writable(self) -> bool:
+        return False
+
+    def writelines(self, __lines: Iterable[str]) -> None:
+        pass
+
+    def __next__(self) -> str:
+        return ""
+
+    def __iter__(self) -> Iterator[str]:
+        return iter([""])
+
+    def __enter__(self) -> IO[str]:
+        pass
+
+    def __exit__(
+        self,
+        __t: Optional[Type[BaseException]],
+        __value: Optional[BaseException],
+        __traceback: Optional[TracebackType],
+    ) -> None:
+        pass
+
+    def write(self, text: str) -> int:
+        return 0
+
+    def flush(self) -> None:
+        pass
+
+    def fileno(self) -> int:
+        return -1
+
+
+NULL_FILE = NullFile()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_palettes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_palettes.py
new file mode 100644
index 00000000..3c748d33
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_palettes.py
@@ -0,0 +1,309 @@
+from .palette import Palette
+
+
+# Taken from https://en.wikipedia.org/wiki/ANSI_escape_code (Windows 10 column)
+WINDOWS_PALETTE = Palette(
+    [
+        (12, 12, 12),
+        (197, 15, 31),
+        (19, 161, 14),
+        (193, 156, 0),
+        (0, 55, 218),
+        (136, 23, 152),
+        (58, 150, 221),
+        (204, 204, 204),
+        (118, 118, 118),
+        (231, 72, 86),
+        (22, 198, 12),
+        (249, 241, 165),
+        (59, 120, 255),
+        (180, 0, 158),
+        (97, 214, 214),
+        (242, 242, 242),
+    ]
+)
+
+# # The standard ansi colors (including bright variants)
+STANDARD_PALETTE = Palette(
+    [
+        (0, 0, 0),
+        (170, 0, 0),
+        (0, 170, 0),
+        (170, 85, 0),
+        (0, 0, 170),
+        (170, 0, 170),
+        (0, 170, 170),
+        (170, 170, 170),
+        (85, 85, 85),
+        (255, 85, 85),
+        (85, 255, 85),
+        (255, 255, 85),
+        (85, 85, 255),
+        (255, 85, 255),
+        (85, 255, 255),
+        (255, 255, 255),
+    ]
+)
+
+
+# The 256 color palette
+EIGHT_BIT_PALETTE = Palette(
+    [
+        (0, 0, 0),
+        (128, 0, 0),
+        (0, 128, 0),
+        (128, 128, 0),
+        (0, 0, 128),
+        (128, 0, 128),
+        (0, 128, 128),
+        (192, 192, 192),
+        (128, 128, 128),
+        (255, 0, 0),
+        (0, 255, 0),
+        (255, 255, 0),
+        (0, 0, 255),
+        (255, 0, 255),
+        (0, 255, 255),
+        (255, 255, 255),
+        (0, 0, 0),
+        (0, 0, 95),
+        (0, 0, 135),
+        (0, 0, 175),
+        (0, 0, 215),
+        (0, 0, 255),
+        (0, 95, 0),
+        (0, 95, 95),
+        (0, 95, 135),
+        (0, 95, 175),
+        (0, 95, 215),
+        (0, 95, 255),
+        (0, 135, 0),
+        (0, 135, 95),
+        (0, 135, 135),
+        (0, 135, 175),
+        (0, 135, 215),
+        (0, 135, 255),
+        (0, 175, 0),
+        (0, 175, 95),
+        (0, 175, 135),
+        (0, 175, 175),
+        (0, 175, 215),
+        (0, 175, 255),
+        (0, 215, 0),
+        (0, 215, 95),
+        (0, 215, 135),
+        (0, 215, 175),
+        (0, 215, 215),
+        (0, 215, 255),
+        (0, 255, 0),
+        (0, 255, 95),
+        (0, 255, 135),
+        (0, 255, 175),
+        (0, 255, 215),
+        (0, 255, 255),
+        (95, 0, 0),
+        (95, 0, 95),
+        (95, 0, 135),
+        (95, 0, 175),
+        (95, 0, 215),
+        (95, 0, 255),
+        (95, 95, 0),
+        (95, 95, 95),
+        (95, 95, 135),
+        (95, 95, 175),
+        (95, 95, 215),
+        (95, 95, 255),
+        (95, 135, 0),
+        (95, 135, 95),
+        (95, 135, 135),
+        (95, 135, 175),
+        (95, 135, 215),
+        (95, 135, 255),
+        (95, 175, 0),
+        (95, 175, 95),
+        (95, 175, 135),
+        (95, 175, 175),
+        (95, 175, 215),
+        (95, 175, 255),
+        (95, 215, 0),
+        (95, 215, 95),
+        (95, 215, 135),
+        (95, 215, 175),
+        (95, 215, 215),
+        (95, 215, 255),
+        (95, 255, 0),
+        (95, 255, 95),
+        (95, 255, 135),
+        (95, 255, 175),
+        (95, 255, 215),
+        (95, 255, 255),
+        (135, 0, 0),
+        (135, 0, 95),
+        (135, 0, 135),
+        (135, 0, 175),
+        (135, 0, 215),
+        (135, 0, 255),
+        (135, 95, 0),
+        (135, 95, 95),
+        (135, 95, 135),
+        (135, 95, 175),
+        (135, 95, 215),
+        (135, 95, 255),
+        (135, 135, 0),
+        (135, 135, 95),
+        (135, 135, 135),
+        (135, 135, 175),
+        (135, 135, 215),
+        (135, 135, 255),
+        (135, 175, 0),
+        (135, 175, 95),
+        (135, 175, 135),
+        (135, 175, 175),
+        (135, 175, 215),
+        (135, 175, 255),
+        (135, 215, 0),
+        (135, 215, 95),
+        (135, 215, 135),
+        (135, 215, 175),
+        (135, 215, 215),
+        (135, 215, 255),
+        (135, 255, 0),
+        (135, 255, 95),
+        (135, 255, 135),
+        (135, 255, 175),
+        (135, 255, 215),
+        (135, 255, 255),
+        (175, 0, 0),
+        (175, 0, 95),
+        (175, 0, 135),
+        (175, 0, 175),
+        (175, 0, 215),
+        (175, 0, 255),
+        (175, 95, 0),
+        (175, 95, 95),
+        (175, 95, 135),
+        (175, 95, 175),
+        (175, 95, 215),
+        (175, 95, 255),
+        (175, 135, 0),
+        (175, 135, 95),
+        (175, 135, 135),
+        (175, 135, 175),
+        (175, 135, 215),
+        (175, 135, 255),
+        (175, 175, 0),
+        (175, 175, 95),
+        (175, 175, 135),
+        (175, 175, 175),
+        (175, 175, 215),
+        (175, 175, 255),
+        (175, 215, 0),
+        (175, 215, 95),
+        (175, 215, 135),
+        (175, 215, 175),
+        (175, 215, 215),
+        (175, 215, 255),
+        (175, 255, 0),
+        (175, 255, 95),
+        (175, 255, 135),
+        (175, 255, 175),
+        (175, 255, 215),
+        (175, 255, 255),
+        (215, 0, 0),
+        (215, 0, 95),
+        (215, 0, 135),
+        (215, 0, 175),
+        (215, 0, 215),
+        (215, 0, 255),
+        (215, 95, 0),
+        (215, 95, 95),
+        (215, 95, 135),
+        (215, 95, 175),
+        (215, 95, 215),
+        (215, 95, 255),
+        (215, 135, 0),
+        (215, 135, 95),
+        (215, 135, 135),
+        (215, 135, 175),
+        (215, 135, 215),
+        (215, 135, 255),
+        (215, 175, 0),
+        (215, 175, 95),
+        (215, 175, 135),
+        (215, 175, 175),
+        (215, 175, 215),
+        (215, 175, 255),
+        (215, 215, 0),
+        (215, 215, 95),
+        (215, 215, 135),
+        (215, 215, 175),
+        (215, 215, 215),
+        (215, 215, 255),
+        (215, 255, 0),
+        (215, 255, 95),
+        (215, 255, 135),
+        (215, 255, 175),
+        (215, 255, 215),
+        (215, 255, 255),
+        (255, 0, 0),
+        (255, 0, 95),
+        (255, 0, 135),
+        (255, 0, 175),
+        (255, 0, 215),
+        (255, 0, 255),
+        (255, 95, 0),
+        (255, 95, 95),
+        (255, 95, 135),
+        (255, 95, 175),
+        (255, 95, 215),
+        (255, 95, 255),
+        (255, 135, 0),
+        (255, 135, 95),
+        (255, 135, 135),
+        (255, 135, 175),
+        (255, 135, 215),
+        (255, 135, 255),
+        (255, 175, 0),
+        (255, 175, 95),
+        (255, 175, 135),
+        (255, 175, 175),
+        (255, 175, 215),
+        (255, 175, 255),
+        (255, 215, 0),
+        (255, 215, 95),
+        (255, 215, 135),
+        (255, 215, 175),
+        (255, 215, 215),
+        (255, 215, 255),
+        (255, 255, 0),
+        (255, 255, 95),
+        (255, 255, 135),
+        (255, 255, 175),
+        (255, 255, 215),
+        (255, 255, 255),
+        (8, 8, 8),
+        (18, 18, 18),
+        (28, 28, 28),
+        (38, 38, 38),
+        (48, 48, 48),
+        (58, 58, 58),
+        (68, 68, 68),
+        (78, 78, 78),
+        (88, 88, 88),
+        (98, 98, 98),
+        (108, 108, 108),
+        (118, 118, 118),
+        (128, 128, 128),
+        (138, 138, 138),
+        (148, 148, 148),
+        (158, 158, 158),
+        (168, 168, 168),
+        (178, 178, 178),
+        (188, 188, 188),
+        (198, 198, 198),
+        (208, 208, 208),
+        (218, 218, 218),
+        (228, 228, 228),
+        (238, 238, 238),
+    ]
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_pick.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_pick.py
new file mode 100644
index 00000000..4f6d8b2d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_pick.py
@@ -0,0 +1,17 @@
+from typing import Optional
+
+
+def pick_bool(*values: Optional[bool]) -> bool:
+    """Pick the first non-none bool or return the last value.
+
+    Args:
+        *values (bool): Any number of boolean or None values.
+
+    Returns:
+        bool: First non-none boolean.
+    """
+    assert values, "1 or more values required"
+    for value in values:
+        if value is not None:
+            return value
+    return bool(value)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_ratio.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_ratio.py
new file mode 100644
index 00000000..e8a3a674
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_ratio.py
@@ -0,0 +1,160 @@
+import sys
+from fractions import Fraction
+from math import ceil
+from typing import cast, List, Optional, Sequence
+
+if sys.version_info >= (3, 8):
+    from typing import Protocol
+else:
+    from pip._vendor.typing_extensions import Protocol  # pragma: no cover
+
+
+class Edge(Protocol):
+    """Any object that defines an edge (such as Layout)."""
+
+    size: Optional[int] = None
+    ratio: int = 1
+    minimum_size: int = 1
+
+
+def ratio_resolve(total: int, edges: Sequence[Edge]) -> List[int]:
+    """Divide total space to satisfy size, ratio, and minimum_size, constraints.
+
+    The returned list of integers should add up to total in most cases, unless it is
+    impossible to satisfy all the constraints. For instance, if there are two edges
+    with a minimum size of 20 each and `total` is 30 then the returned list will be
+    greater than total. In practice, this would mean that a Layout object would
+    clip the rows that would overflow the screen height.
+
+    Args:
+        total (int): Total number of characters.
+        edges (List[Edge]): Edges within total space.
+
+    Returns:
+        List[int]: Number of characters for each edge.
+    """
+    # Size of edge or None for yet to be determined
+    sizes = [(edge.size or None) for edge in edges]
+
+    _Fraction = Fraction
+
+    # While any edges haven't been calculated
+    while None in sizes:
+        # Get flexible edges and index to map these back on to sizes list
+        flexible_edges = [
+            (index, edge)
+            for index, (size, edge) in enumerate(zip(sizes, edges))
+            if size is None
+        ]
+        # Remaining space in total
+        remaining = total - sum(size or 0 for size in sizes)
+        if remaining <= 0:
+            # No room for flexible edges
+            return [
+                ((edge.minimum_size or 1) if size is None else size)
+                for size, edge in zip(sizes, edges)
+            ]
+        # Calculate number of characters in a ratio portion
+        portion = _Fraction(
+            remaining, sum((edge.ratio or 1) for _, edge in flexible_edges)
+        )
+
+        # If any edges will be less than their minimum, replace size with the minimum
+        for index, edge in flexible_edges:
+            if portion * edge.ratio <= edge.minimum_size:
+                sizes[index] = edge.minimum_size
+                # New fixed size will invalidate calculations, so we need to repeat the process
+                break
+        else:
+            # Distribute flexible space and compensate for rounding error
+            # Since edge sizes can only be integers we need to add the remainder
+            # to the following line
+            remainder = _Fraction(0)
+            for index, edge in flexible_edges:
+                size, remainder = divmod(portion * edge.ratio + remainder, 1)
+                sizes[index] = size
+            break
+    # Sizes now contains integers only
+    return cast(List[int], sizes)
+
+
+def ratio_reduce(
+    total: int, ratios: List[int], maximums: List[int], values: List[int]
+) -> List[int]:
+    """Divide an integer total in to parts based on ratios.
+
+    Args:
+        total (int): The total to divide.
+        ratios (List[int]): A list of integer ratios.
+        maximums (List[int]): List of maximums values for each slot.
+        values (List[int]): List of values
+
+    Returns:
+        List[int]: A list of integers guaranteed to sum to total.
+    """
+    ratios = [ratio if _max else 0 for ratio, _max in zip(ratios, maximums)]
+    total_ratio = sum(ratios)
+    if not total_ratio:
+        return values[:]
+    total_remaining = total
+    result: List[int] = []
+    append = result.append
+    for ratio, maximum, value in zip(ratios, maximums, values):
+        if ratio and total_ratio > 0:
+            distributed = min(maximum, round(ratio * total_remaining / total_ratio))
+            append(value - distributed)
+            total_remaining -= distributed
+            total_ratio -= ratio
+        else:
+            append(value)
+    return result
+
+
+def ratio_distribute(
+    total: int, ratios: List[int], minimums: Optional[List[int]] = None
+) -> List[int]:
+    """Distribute an integer total in to parts based on ratios.
+
+    Args:
+        total (int): The total to divide.
+        ratios (List[int]): A list of integer ratios.
+        minimums (List[int]): List of minimum values for each slot.
+
+    Returns:
+        List[int]: A list of integers guaranteed to sum to total.
+    """
+    if minimums:
+        ratios = [ratio if _min else 0 for ratio, _min in zip(ratios, minimums)]
+    total_ratio = sum(ratios)
+    assert total_ratio > 0, "Sum of ratios must be > 0"
+
+    total_remaining = total
+    distributed_total: List[int] = []
+    append = distributed_total.append
+    if minimums is None:
+        _minimums = [0] * len(ratios)
+    else:
+        _minimums = minimums
+    for ratio, minimum in zip(ratios, _minimums):
+        if total_ratio > 0:
+            distributed = max(minimum, ceil(ratio * total_remaining / total_ratio))
+        else:
+            distributed = total_remaining
+        append(distributed)
+        total_ratio -= ratio
+        total_remaining -= distributed
+    return distributed_total
+
+
+if __name__ == "__main__":
+    from dataclasses import dataclass
+
+    @dataclass
+    class E:
+
+        size: Optional[int] = None
+        ratio: int = 1
+        minimum_size: int = 1
+
+    resolved = ratio_resolve(110, [E(None, 1, 1), E(None, 1, 1), E(None, 1, 1)])
+    print(sum(resolved))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_spinners.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_spinners.py
new file mode 100644
index 00000000..d0bb1fe7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_spinners.py
@@ -0,0 +1,482 @@
+"""
+Spinners are from:
+* cli-spinners:
+    MIT License
+    Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights to
+    use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+    the Software, and to permit persons to whom the Software is furnished to do so,
+    subject to the following conditions:
+    The above copyright notice and this permission notice shall be included
+    in all copies or substantial portions of the Software.
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+    INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+    PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+    FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+    ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+    IN THE SOFTWARE.
+"""
+
+SPINNERS = {
+    "dots": {
+        "interval": 80,
+        "frames": "⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏",
+    },
+    "dots2": {"interval": 80, "frames": "⣾⣽⣻⢿⡿⣟⣯⣷"},
+    "dots3": {
+        "interval": 80,
+        "frames": "⠋⠙⠚⠞⠖⠦⠴⠲⠳⠓",
+    },
+    "dots4": {
+        "interval": 80,
+        "frames": "⠄⠆⠇⠋⠙⠸⠰⠠⠰⠸⠙⠋⠇⠆",
+    },
+    "dots5": {
+        "interval": 80,
+        "frames": "⠋⠙⠚⠒⠂⠂⠒⠲⠴⠦⠖⠒⠐⠐⠒⠓⠋",
+    },
+    "dots6": {
+        "interval": 80,
+        "frames": "⠁⠉⠙⠚⠒⠂⠂⠒⠲⠴⠤⠄⠄⠤⠴⠲⠒⠂⠂⠒⠚⠙⠉⠁",
+    },
+    "dots7": {
+        "interval": 80,
+        "frames": "⠈⠉⠋⠓⠒⠐⠐⠒⠖⠦⠤⠠⠠⠤⠦⠖⠒⠐⠐⠒⠓⠋⠉⠈",
+    },
+    "dots8": {
+        "interval": 80,
+        "frames": "⠁⠁⠉⠙⠚⠒⠂⠂⠒⠲⠴⠤⠄⠄⠤⠠⠠⠤⠦⠖⠒⠐⠐⠒⠓⠋⠉⠈⠈",
+    },
+    "dots9": {"interval": 80, "frames": "⢹⢺⢼⣸⣇⡧⡗⡏"},
+    "dots10": {"interval": 80, "frames": "⢄⢂⢁⡁⡈⡐⡠"},
+    "dots11": {"interval": 100, "frames": "⠁⠂⠄⡀⢀⠠⠐⠈"},
+    "dots12": {
+        "interval": 80,
+        "frames": [
+            "⢀⠀",
+            "⡀⠀",
+            "⠄⠀",
+            "⢂⠀",
+            "⡂⠀",
+            "⠅⠀",
+            "⢃⠀",
+            "⡃⠀",
+            "⠍⠀",
+            "⢋⠀",
+            "⡋⠀",
+            "⠍⠁",
+            "⢋⠁",
+            "⡋⠁",
+            "⠍⠉",
+            "⠋⠉",
+            "⠋⠉",
+            "⠉⠙",
+            "⠉⠙",
+            "⠉⠩",
+            "⠈⢙",
+            "⠈⡙",
+            "⢈⠩",
+            "⡀⢙",
+            "⠄⡙",
+            "⢂⠩",
+            "⡂⢘",
+            "⠅⡘",
+            "⢃⠨",
+            "⡃⢐",
+            "⠍⡐",
+            "⢋⠠",
+            "⡋⢀",
+            "⠍⡁",
+            "⢋⠁",
+            "⡋⠁",
+            "⠍⠉",
+            "⠋⠉",
+            "⠋⠉",
+            "⠉⠙",
+            "⠉⠙",
+            "⠉⠩",
+            "⠈⢙",
+            "⠈⡙",
+            "⠈⠩",
+            "⠀⢙",
+            "⠀⡙",
+            "⠀⠩",
+            "⠀⢘",
+            "⠀⡘",
+            "⠀⠨",
+            "⠀⢐",
+            "⠀⡐",
+            "⠀⠠",
+            "⠀⢀",
+            "⠀⡀",
+        ],
+    },
+    "dots8Bit": {
+        "interval": 80,
+        "frames": "⠀⠁⠂⠃⠄⠅⠆⠇⡀⡁⡂⡃⡄⡅⡆⡇⠈⠉⠊⠋⠌⠍⠎⠏⡈⡉⡊⡋⡌⡍⡎⡏⠐⠑⠒⠓⠔⠕⠖⠗⡐⡑⡒⡓⡔⡕⡖⡗⠘⠙⠚⠛⠜⠝⠞⠟⡘⡙"
+        "⡚⡛⡜⡝⡞⡟⠠⠡⠢⠣⠤⠥⠦⠧⡠⡡⡢⡣⡤⡥⡦⡧⠨⠩⠪⠫⠬⠭⠮⠯⡨⡩⡪⡫⡬⡭⡮⡯⠰⠱⠲⠳⠴⠵⠶⠷⡰⡱⡲⡳⡴⡵⡶⡷⠸⠹⠺⠻"
+        "⠼⠽⠾⠿⡸⡹⡺⡻⡼⡽⡾⡿⢀⢁⢂⢃⢄⢅⢆⢇⣀⣁⣂⣃⣄⣅⣆⣇⢈⢉⢊⢋⢌⢍⢎⢏⣈⣉⣊⣋⣌⣍⣎⣏⢐⢑⢒⢓⢔⢕⢖⢗⣐⣑⣒⣓⣔⣕"
+        "⣖⣗⢘⢙⢚⢛⢜⢝⢞⢟⣘⣙⣚⣛⣜⣝⣞⣟⢠⢡⢢⢣⢤⢥⢦⢧⣠⣡⣢⣣⣤⣥⣦⣧⢨⢩⢪⢫⢬⢭⢮⢯⣨⣩⣪⣫⣬⣭⣮⣯⢰⢱⢲⢳⢴⢵⢶⢷"
+        "⣰⣱⣲⣳⣴⣵⣶⣷⢸⢹⢺⢻⢼⢽⢾⢿⣸⣹⣺⣻⣼⣽⣾⣿",
+    },
+    "line": {"interval": 130, "frames": ["-", "\\", "|", "/"]},
+    "line2": {"interval": 100, "frames": "⠂-–—–-"},
+    "pipe": {"interval": 100, "frames": "┤┘┴└├┌┬┐"},
+    "simpleDots": {"interval": 400, "frames": [".  ", ".. ", "...", "   "]},
+    "simpleDotsScrolling": {
+        "interval": 200,
+        "frames": [".  ", ".. ", "...", " ..", "  .", "   "],
+    },
+    "star": {"interval": 70, "frames": "✶✸✹✺✹✷"},
+    "star2": {"interval": 80, "frames": "+x*"},
+    "flip": {
+        "interval": 70,
+        "frames": "___-``'´-___",
+    },
+    "hamburger": {"interval": 100, "frames": "☱☲☴"},
+    "growVertical": {
+        "interval": 120,
+        "frames": "▁▃▄▅▆▇▆▅▄▃",
+    },
+    "growHorizontal": {
+        "interval": 120,
+        "frames": "▏▎▍▌▋▊▉▊▋▌▍▎",
+    },
+    "balloon": {"interval": 140, "frames": " .oO@* "},
+    "balloon2": {"interval": 120, "frames": ".oO°Oo."},
+    "noise": {"interval": 100, "frames": "▓▒░"},
+    "bounce": {"interval": 120, "frames": "⠁⠂⠄⠂"},
+    "boxBounce": {"interval": 120, "frames": "▖▘▝▗"},
+    "boxBounce2": {"interval": 100, "frames": "▌▀▐▄"},
+    "triangle": {"interval": 50, "frames": "◢◣◤◥"},
+    "arc": {"interval": 100, "frames": "◜◠◝◞◡◟"},
+    "circle": {"interval": 120, "frames": "◡⊙◠"},
+    "squareCorners": {"interval": 180, "frames": "◰◳◲◱"},
+    "circleQuarters": {"interval": 120, "frames": "◴◷◶◵"},
+    "circleHalves": {"interval": 50, "frames": "◐◓◑◒"},
+    "squish": {"interval": 100, "frames": "╫╪"},
+    "toggle": {"interval": 250, "frames": "⊶⊷"},
+    "toggle2": {"interval": 80, "frames": "▫▪"},
+    "toggle3": {"interval": 120, "frames": "□■"},
+    "toggle4": {"interval": 100, "frames": "■□▪▫"},
+    "toggle5": {"interval": 100, "frames": "▮▯"},
+    "toggle6": {"interval": 300, "frames": "ဝ၀"},
+    "toggle7": {"interval": 80, "frames": "⦾⦿"},
+    "toggle8": {"interval": 100, "frames": "◍◌"},
+    "toggle9": {"interval": 100, "frames": "◉◎"},
+    "toggle10": {"interval": 100, "frames": "㊂㊀㊁"},
+    "toggle11": {"interval": 50, "frames": "⧇⧆"},
+    "toggle12": {"interval": 120, "frames": "☗☖"},
+    "toggle13": {"interval": 80, "frames": "=*-"},
+    "arrow": {"interval": 100, "frames": "←↖↑↗→↘↓↙"},
+    "arrow2": {
+        "interval": 80,
+        "frames": ["⬆️ ", "↗️ ", "➡️ ", "↘️ ", "⬇️ ", "↙️ ", "⬅️ ", "↖️ "],
+    },
+    "arrow3": {
+        "interval": 120,
+        "frames": ["▹▹▹▹▹", "▸▹▹▹▹", "▹▸▹▹▹", "▹▹▸▹▹", "▹▹▹▸▹", "▹▹▹▹▸"],
+    },
+    "bouncingBar": {
+        "interval": 80,
+        "frames": [
+            "[    ]",
+            "[=   ]",
+            "[==  ]",
+            "[=== ]",
+            "[ ===]",
+            "[  ==]",
+            "[   =]",
+            "[    ]",
+            "[   =]",
+            "[  ==]",
+            "[ ===]",
+            "[====]",
+            "[=== ]",
+            "[==  ]",
+            "[=   ]",
+        ],
+    },
+    "bouncingBall": {
+        "interval": 80,
+        "frames": [
+            "( ●    )",
+            "(  ●   )",
+            "(   ●  )",
+            "(    ● )",
+            "(     ●)",
+            "(    ● )",
+            "(   ●  )",
+            "(  ●   )",
+            "( ●    )",
+            "(●     )",
+        ],
+    },
+    "smiley": {"interval": 200, "frames": ["😄 ", "😝 "]},
+    "monkey": {"interval": 300, "frames": ["🙈 ", "🙈 ", "🙉 ", "🙊 "]},
+    "hearts": {"interval": 100, "frames": ["💛 ", "💙 ", "💜 ", "💚 ", "❤️ "]},
+    "clock": {
+        "interval": 100,
+        "frames": [
+            "🕛 ",
+            "🕐 ",
+            "🕑 ",
+            "🕒 ",
+            "🕓 ",
+            "🕔 ",
+            "🕕 ",
+            "🕖 ",
+            "🕗 ",
+            "🕘 ",
+            "🕙 ",
+            "🕚 ",
+        ],
+    },
+    "earth": {"interval": 180, "frames": ["🌍 ", "🌎 ", "🌏 "]},
+    "material": {
+        "interval": 17,
+        "frames": [
+            "█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "██████▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "██████▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "███████▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "████████▁▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "██████████▁▁▁▁▁▁▁▁▁▁",
+            "███████████▁▁▁▁▁▁▁▁▁",
+            "█████████████▁▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁▁██████████████▁▁▁▁",
+            "▁▁▁██████████████▁▁▁",
+            "▁▁▁▁█████████████▁▁▁",
+            "▁▁▁▁██████████████▁▁",
+            "▁▁▁▁██████████████▁▁",
+            "▁▁▁▁▁██████████████▁",
+            "▁▁▁▁▁██████████████▁",
+            "▁▁▁▁▁██████████████▁",
+            "▁▁▁▁▁▁██████████████",
+            "▁▁▁▁▁▁██████████████",
+            "▁▁▁▁▁▁▁█████████████",
+            "▁▁▁▁▁▁▁█████████████",
+            "▁▁▁▁▁▁▁▁████████████",
+            "▁▁▁▁▁▁▁▁████████████",
+            "▁▁▁▁▁▁▁▁▁███████████",
+            "▁▁▁▁▁▁▁▁▁███████████",
+            "▁▁▁▁▁▁▁▁▁▁██████████",
+            "▁▁▁▁▁▁▁▁▁▁██████████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁████████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
+            "█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "███▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "████▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "██████▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "████████▁▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "█████████▁▁▁▁▁▁▁▁▁▁▁",
+            "███████████▁▁▁▁▁▁▁▁▁",
+            "████████████▁▁▁▁▁▁▁▁",
+            "████████████▁▁▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "██████████████▁▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁██████████████▁▁▁▁▁",
+            "▁▁▁█████████████▁▁▁▁",
+            "▁▁▁▁▁████████████▁▁▁",
+            "▁▁▁▁▁████████████▁▁▁",
+            "▁▁▁▁▁▁███████████▁▁▁",
+            "▁▁▁▁▁▁▁▁█████████▁▁▁",
+            "▁▁▁▁▁▁▁▁█████████▁▁▁",
+            "▁▁▁▁▁▁▁▁▁█████████▁▁",
+            "▁▁▁▁▁▁▁▁▁█████████▁▁",
+            "▁▁▁▁▁▁▁▁▁▁█████████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁████████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁████████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁███████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁███████▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+            "▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
+        ],
+    },
+    "moon": {
+        "interval": 80,
+        "frames": ["🌑 ", "🌒 ", "🌓 ", "🌔 ", "🌕 ", "🌖 ", "🌗 ", "🌘 "],
+    },
+    "runner": {"interval": 140, "frames": ["🚶 ", "🏃 "]},
+    "pong": {
+        "interval": 80,
+        "frames": [
+            "▐⠂       ▌",
+            "▐⠈       ▌",
+            "▐ ⠂      ▌",
+            "▐ ⠠      ▌",
+            "▐  ⡀     ▌",
+            "▐  ⠠     ▌",
+            "▐   ⠂    ▌",
+            "▐   ⠈    ▌",
+            "▐    ⠂   ▌",
+            "▐    ⠠   ▌",
+            "▐     ⡀  ▌",
+            "▐     ⠠  ▌",
+            "▐      ⠂ ▌",
+            "▐      ⠈ ▌",
+            "▐       ⠂▌",
+            "▐       ⠠▌",
+            "▐       ⡀▌",
+            "▐      ⠠ ▌",
+            "▐      ⠂ ▌",
+            "▐     ⠈  ▌",
+            "▐     ⠂  ▌",
+            "▐    ⠠   ▌",
+            "▐    ⡀   ▌",
+            "▐   ⠠    ▌",
+            "▐   ⠂    ▌",
+            "▐  ⠈     ▌",
+            "▐  ⠂     ▌",
+            "▐ ⠠      ▌",
+            "▐ ⡀      ▌",
+            "▐⠠       ▌",
+        ],
+    },
+    "shark": {
+        "interval": 120,
+        "frames": [
+            "▐|\\____________▌",
+            "▐_|\\___________▌",
+            "▐__|\\__________▌",
+            "▐___|\\_________▌",
+            "▐____|\\________▌",
+            "▐_____|\\_______▌",
+            "▐______|\\______▌",
+            "▐_______|\\_____▌",
+            "▐________|\\____▌",
+            "▐_________|\\___▌",
+            "▐__________|\\__▌",
+            "▐___________|\\_▌",
+            "▐____________|\\▌",
+            "▐____________/|▌",
+            "▐___________/|_▌",
+            "▐__________/|__▌",
+            "▐_________/|___▌",
+            "▐________/|____▌",
+            "▐_______/|_____▌",
+            "▐______/|______▌",
+            "▐_____/|_______▌",
+            "▐____/|________▌",
+            "▐___/|_________▌",
+            "▐__/|__________▌",
+            "▐_/|___________▌",
+            "▐/|____________▌",
+        ],
+    },
+    "dqpb": {"interval": 100, "frames": "dqpb"},
+    "weather": {
+        "interval": 100,
+        "frames": [
+            "☀️ ",
+            "☀️ ",
+            "☀️ ",
+            "🌤 ",
+            "⛅️ ",
+            "🌥 ",
+            "☁️ ",
+            "🌧 ",
+            "🌨 ",
+            "🌧 ",
+            "🌨 ",
+            "🌧 ",
+            "🌨 ",
+            "⛈ ",
+            "🌨 ",
+            "🌧 ",
+            "🌨 ",
+            "☁️ ",
+            "🌥 ",
+            "⛅️ ",
+            "🌤 ",
+            "☀️ ",
+            "☀️ ",
+        ],
+    },
+    "christmas": {"interval": 400, "frames": "🌲🎄"},
+    "grenade": {
+        "interval": 80,
+        "frames": [
+            "،   ",
+            "′   ",
+            " ´ ",
+            " ‾ ",
+            "  ⸌",
+            "  ⸊",
+            "  |",
+            "  ⁎",
+            "  ⁕",
+            " ෴ ",
+            "  ⁓",
+            "   ",
+            "   ",
+            "   ",
+        ],
+    },
+    "point": {"interval": 125, "frames": ["∙∙∙", "●∙∙", "∙●∙", "∙∙●", "∙∙∙"]},
+    "layer": {"interval": 150, "frames": "-=≡"},
+    "betaWave": {
+        "interval": 80,
+        "frames": [
+            "ρββββββ",
+            "βρβββββ",
+            "ββρββββ",
+            "βββρβββ",
+            "ββββρββ",
+            "βββββρβ",
+            "ββββββρ",
+        ],
+    },
+    "aesthetic": {
+        "interval": 80,
+        "frames": [
+            "▰▱▱▱▱▱▱",
+            "▰▰▱▱▱▱▱",
+            "▰▰▰▱▱▱▱",
+            "▰▰▰▰▱▱▱",
+            "▰▰▰▰▰▱▱",
+            "▰▰▰▰▰▰▱",
+            "▰▰▰▰▰▰▰",
+            "▰▱▱▱▱▱▱",
+        ],
+    },
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_stack.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_stack.py
new file mode 100644
index 00000000..194564e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_stack.py
@@ -0,0 +1,16 @@
+from typing import List, TypeVar
+
+T = TypeVar("T")
+
+
+class Stack(List[T]):
+    """A small shim over builtin list."""
+
+    @property
+    def top(self) -> T:
+        """Get top of stack."""
+        return self[-1]
+
+    def push(self, item: T) -> None:
+        """Push an item on to the stack (append in stack nomenclature)."""
+        self.append(item)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_timer.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_timer.py
new file mode 100644
index 00000000..a2ca6be0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_timer.py
@@ -0,0 +1,19 @@
+"""
+Timer context manager, only used in debug.
+
+"""
+
+from time import time
+
+import contextlib
+from typing import Generator
+
+
+@contextlib.contextmanager
+def timer(subject: str = "time") -> Generator[None, None, None]:
+    """print the elapsed time. (only used in debugging)"""
+    start = time()
+    yield
+    elapsed = time() - start
+    elapsed_ms = elapsed * 1000
+    print(f"{subject} elapsed {elapsed_ms:.1f}ms")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_win32_console.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_win32_console.py
new file mode 100644
index 00000000..81b10829
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_win32_console.py
@@ -0,0 +1,662 @@
+"""Light wrapper around the Win32 Console API - this module should only be imported on Windows
+
+The API that this module wraps is documented at https://docs.microsoft.com/en-us/windows/console/console-functions
+"""
+import ctypes
+import sys
+from typing import Any
+
+windll: Any = None
+if sys.platform == "win32":
+    windll = ctypes.LibraryLoader(ctypes.WinDLL)
+else:
+    raise ImportError(f"{__name__} can only be imported on Windows")
+
+import time
+from ctypes import Structure, byref, wintypes
+from typing import IO, NamedTuple, Type, cast
+
+from pip._vendor.rich.color import ColorSystem
+from pip._vendor.rich.style import Style
+
+STDOUT = -11
+ENABLE_VIRTUAL_TERMINAL_PROCESSING = 4
+
+COORD = wintypes._COORD
+
+
+class LegacyWindowsError(Exception):
+    pass
+
+
+class WindowsCoordinates(NamedTuple):
+    """Coordinates in the Windows Console API are (y, x), not (x, y).
+    This class is intended to prevent that confusion.
+    Rows and columns are indexed from 0.
+    This class can be used in place of wintypes._COORD in arguments and argtypes.
+    """
+
+    row: int
+    col: int
+
+    @classmethod
+    def from_param(cls, value: "WindowsCoordinates") -> COORD:
+        """Converts a WindowsCoordinates into a wintypes _COORD structure.
+        This classmethod is internally called by ctypes to perform the conversion.
+
+        Args:
+            value (WindowsCoordinates): The input coordinates to convert.
+
+        Returns:
+            wintypes._COORD: The converted coordinates struct.
+        """
+        return COORD(value.col, value.row)
+
+
+class CONSOLE_SCREEN_BUFFER_INFO(Structure):
+    _fields_ = [
+        ("dwSize", COORD),
+        ("dwCursorPosition", COORD),
+        ("wAttributes", wintypes.WORD),
+        ("srWindow", wintypes.SMALL_RECT),
+        ("dwMaximumWindowSize", COORD),
+    ]
+
+
+class CONSOLE_CURSOR_INFO(ctypes.Structure):
+    _fields_ = [("dwSize", wintypes.DWORD), ("bVisible", wintypes.BOOL)]
+
+
+_GetStdHandle = windll.kernel32.GetStdHandle
+_GetStdHandle.argtypes = [
+    wintypes.DWORD,
+]
+_GetStdHandle.restype = wintypes.HANDLE
+
+
+def GetStdHandle(handle: int = STDOUT) -> wintypes.HANDLE:
+    """Retrieves a handle to the specified standard device (standard input, standard output, or standard error).
+
+    Args:
+        handle (int): Integer identifier for the handle. Defaults to -11 (stdout).
+
+    Returns:
+        wintypes.HANDLE: The handle
+    """
+    return cast(wintypes.HANDLE, _GetStdHandle(handle))
+
+
+_GetConsoleMode = windll.kernel32.GetConsoleMode
+_GetConsoleMode.argtypes = [wintypes.HANDLE, wintypes.LPDWORD]
+_GetConsoleMode.restype = wintypes.BOOL
+
+
+def GetConsoleMode(std_handle: wintypes.HANDLE) -> int:
+    """Retrieves the current input mode of a console's input buffer
+    or the current output mode of a console screen buffer.
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+
+    Raises:
+        LegacyWindowsError: If any error occurs while calling the Windows console API.
+
+    Returns:
+        int: Value representing the current console mode as documented at
+            https://docs.microsoft.com/en-us/windows/console/getconsolemode#parameters
+    """
+
+    console_mode = wintypes.DWORD()
+    success = bool(_GetConsoleMode(std_handle, console_mode))
+    if not success:
+        raise LegacyWindowsError("Unable to get legacy Windows Console Mode")
+    return console_mode.value
+
+
+_FillConsoleOutputCharacterW = windll.kernel32.FillConsoleOutputCharacterW
+_FillConsoleOutputCharacterW.argtypes = [
+    wintypes.HANDLE,
+    ctypes.c_char,
+    wintypes.DWORD,
+    cast(Type[COORD], WindowsCoordinates),
+    ctypes.POINTER(wintypes.DWORD),
+]
+_FillConsoleOutputCharacterW.restype = wintypes.BOOL
+
+
+def FillConsoleOutputCharacter(
+    std_handle: wintypes.HANDLE,
+    char: str,
+    length: int,
+    start: WindowsCoordinates,
+) -> int:
+    """Writes a character to the console screen buffer a specified number of times, beginning at the specified coordinates.
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+        char (str): The character to write. Must be a string of length 1.
+        length (int): The number of times to write the character.
+        start (WindowsCoordinates): The coordinates to start writing at.
+
+    Returns:
+        int: The number of characters written.
+    """
+    character = ctypes.c_char(char.encode())
+    num_characters = wintypes.DWORD(length)
+    num_written = wintypes.DWORD(0)
+    _FillConsoleOutputCharacterW(
+        std_handle,
+        character,
+        num_characters,
+        start,
+        byref(num_written),
+    )
+    return num_written.value
+
+
+_FillConsoleOutputAttribute = windll.kernel32.FillConsoleOutputAttribute
+_FillConsoleOutputAttribute.argtypes = [
+    wintypes.HANDLE,
+    wintypes.WORD,
+    wintypes.DWORD,
+    cast(Type[COORD], WindowsCoordinates),
+    ctypes.POINTER(wintypes.DWORD),
+]
+_FillConsoleOutputAttribute.restype = wintypes.BOOL
+
+
+def FillConsoleOutputAttribute(
+    std_handle: wintypes.HANDLE,
+    attributes: int,
+    length: int,
+    start: WindowsCoordinates,
+) -> int:
+    """Sets the character attributes for a specified number of character cells,
+    beginning at the specified coordinates in a screen buffer.
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+        attributes (int): Integer value representing the foreground and background colours of the cells.
+        length (int): The number of cells to set the output attribute of.
+        start (WindowsCoordinates): The coordinates of the first cell whose attributes are to be set.
+
+    Returns:
+        int: The number of cells whose attributes were actually set.
+    """
+    num_cells = wintypes.DWORD(length)
+    style_attrs = wintypes.WORD(attributes)
+    num_written = wintypes.DWORD(0)
+    _FillConsoleOutputAttribute(
+        std_handle, style_attrs, num_cells, start, byref(num_written)
+    )
+    return num_written.value
+
+
+_SetConsoleTextAttribute = windll.kernel32.SetConsoleTextAttribute
+_SetConsoleTextAttribute.argtypes = [
+    wintypes.HANDLE,
+    wintypes.WORD,
+]
+_SetConsoleTextAttribute.restype = wintypes.BOOL
+
+
+def SetConsoleTextAttribute(
+    std_handle: wintypes.HANDLE, attributes: wintypes.WORD
+) -> bool:
+    """Set the colour attributes for all text written after this function is called.
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+        attributes (int): Integer value representing the foreground and background colours.
+
+
+    Returns:
+        bool: True if the attribute was set successfully, otherwise False.
+    """
+    return bool(_SetConsoleTextAttribute(std_handle, attributes))
+
+
+_GetConsoleScreenBufferInfo = windll.kernel32.GetConsoleScreenBufferInfo
+_GetConsoleScreenBufferInfo.argtypes = [
+    wintypes.HANDLE,
+    ctypes.POINTER(CONSOLE_SCREEN_BUFFER_INFO),
+]
+_GetConsoleScreenBufferInfo.restype = wintypes.BOOL
+
+
+def GetConsoleScreenBufferInfo(
+    std_handle: wintypes.HANDLE,
+) -> CONSOLE_SCREEN_BUFFER_INFO:
+    """Retrieves information about the specified console screen buffer.
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+
+    Returns:
+        CONSOLE_SCREEN_BUFFER_INFO: A CONSOLE_SCREEN_BUFFER_INFO ctype struct contain information about
+            screen size, cursor position, colour attributes, and more."""
+    console_screen_buffer_info = CONSOLE_SCREEN_BUFFER_INFO()
+    _GetConsoleScreenBufferInfo(std_handle, byref(console_screen_buffer_info))
+    return console_screen_buffer_info
+
+
+_SetConsoleCursorPosition = windll.kernel32.SetConsoleCursorPosition
+_SetConsoleCursorPosition.argtypes = [
+    wintypes.HANDLE,
+    cast(Type[COORD], WindowsCoordinates),
+]
+_SetConsoleCursorPosition.restype = wintypes.BOOL
+
+
+def SetConsoleCursorPosition(
+    std_handle: wintypes.HANDLE, coords: WindowsCoordinates
+) -> bool:
+    """Set the position of the cursor in the console screen
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+        coords (WindowsCoordinates): The coordinates to move the cursor to.
+
+    Returns:
+        bool: True if the function succeeds, otherwise False.
+    """
+    return bool(_SetConsoleCursorPosition(std_handle, coords))
+
+
+_GetConsoleCursorInfo = windll.kernel32.GetConsoleCursorInfo
+_GetConsoleCursorInfo.argtypes = [
+    wintypes.HANDLE,
+    ctypes.POINTER(CONSOLE_CURSOR_INFO),
+]
+_GetConsoleCursorInfo.restype = wintypes.BOOL
+
+
+def GetConsoleCursorInfo(
+    std_handle: wintypes.HANDLE, cursor_info: CONSOLE_CURSOR_INFO
+) -> bool:
+    """Get the cursor info - used to get cursor visibility and width
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+        cursor_info (CONSOLE_CURSOR_INFO): CONSOLE_CURSOR_INFO ctype struct that receives information
+            about the console's cursor.
+
+    Returns:
+          bool: True if the function succeeds, otherwise False.
+    """
+    return bool(_GetConsoleCursorInfo(std_handle, byref(cursor_info)))
+
+
+_SetConsoleCursorInfo = windll.kernel32.SetConsoleCursorInfo
+_SetConsoleCursorInfo.argtypes = [
+    wintypes.HANDLE,
+    ctypes.POINTER(CONSOLE_CURSOR_INFO),
+]
+_SetConsoleCursorInfo.restype = wintypes.BOOL
+
+
+def SetConsoleCursorInfo(
+    std_handle: wintypes.HANDLE, cursor_info: CONSOLE_CURSOR_INFO
+) -> bool:
+    """Set the cursor info - used for adjusting cursor visibility and width
+
+    Args:
+        std_handle (wintypes.HANDLE): A handle to the console input buffer or the console screen buffer.
+        cursor_info (CONSOLE_CURSOR_INFO): CONSOLE_CURSOR_INFO ctype struct containing the new cursor info.
+
+    Returns:
+          bool: True if the function succeeds, otherwise False.
+    """
+    return bool(_SetConsoleCursorInfo(std_handle, byref(cursor_info)))
+
+
+_SetConsoleTitle = windll.kernel32.SetConsoleTitleW
+_SetConsoleTitle.argtypes = [wintypes.LPCWSTR]
+_SetConsoleTitle.restype = wintypes.BOOL
+
+
+def SetConsoleTitle(title: str) -> bool:
+    """Sets the title of the current console window
+
+    Args:
+        title (str): The new title of the console window.
+
+    Returns:
+        bool: True if the function succeeds, otherwise False.
+    """
+    return bool(_SetConsoleTitle(title))
+
+
+class LegacyWindowsTerm:
+    """This class allows interaction with the legacy Windows Console API. It should only be used in the context
+    of environments where virtual terminal processing is not available. However, if it is used in a Windows environment,
+    the entire API should work.
+
+    Args:
+        file (IO[str]): The file which the Windows Console API HANDLE is retrieved from, defaults to sys.stdout.
+    """
+
+    BRIGHT_BIT = 8
+
+    # Indices are ANSI color numbers, values are the corresponding Windows Console API color numbers
+    ANSI_TO_WINDOWS = [
+        0,  # black                      The Windows colours are defined in wincon.h as follows:
+        4,  # red                         define FOREGROUND_BLUE            0x0001 -- 0000 0001
+        2,  # green                       define FOREGROUND_GREEN           0x0002 -- 0000 0010
+        6,  # yellow                      define FOREGROUND_RED             0x0004 -- 0000 0100
+        1,  # blue                        define FOREGROUND_INTENSITY       0x0008 -- 0000 1000
+        5,  # magenta                     define BACKGROUND_BLUE            0x0010 -- 0001 0000
+        3,  # cyan                        define BACKGROUND_GREEN           0x0020 -- 0010 0000
+        7,  # white                       define BACKGROUND_RED             0x0040 -- 0100 0000
+        8,  # bright black (grey)         define BACKGROUND_INTENSITY       0x0080 -- 1000 0000
+        12,  # bright red
+        10,  # bright green
+        14,  # bright yellow
+        9,  # bright blue
+        13,  # bright magenta
+        11,  # bright cyan
+        15,  # bright white
+    ]
+
+    def __init__(self, file: "IO[str]") -> None:
+        handle = GetStdHandle(STDOUT)
+        self._handle = handle
+        default_text = GetConsoleScreenBufferInfo(handle).wAttributes
+        self._default_text = default_text
+
+        self._default_fore = default_text & 7
+        self._default_back = (default_text >> 4) & 7
+        self._default_attrs = self._default_fore | (self._default_back << 4)
+
+        self._file = file
+        self.write = file.write
+        self.flush = file.flush
+
+    @property
+    def cursor_position(self) -> WindowsCoordinates:
+        """Returns the current position of the cursor (0-based)
+
+        Returns:
+            WindowsCoordinates: The current cursor position.
+        """
+        coord: COORD = GetConsoleScreenBufferInfo(self._handle).dwCursorPosition
+        return WindowsCoordinates(row=cast(int, coord.Y), col=cast(int, coord.X))
+
+    @property
+    def screen_size(self) -> WindowsCoordinates:
+        """Returns the current size of the console screen buffer, in character columns and rows
+
+        Returns:
+            WindowsCoordinates: The width and height of the screen as WindowsCoordinates.
+        """
+        screen_size: COORD = GetConsoleScreenBufferInfo(self._handle).dwSize
+        return WindowsCoordinates(
+            row=cast(int, screen_size.Y), col=cast(int, screen_size.X)
+        )
+
+    def write_text(self, text: str) -> None:
+        """Write text directly to the terminal without any modification of styles
+
+        Args:
+            text (str): The text to write to the console
+        """
+        self.write(text)
+        self.flush()
+
+    def write_styled(self, text: str, style: Style) -> None:
+        """Write styled text to the terminal.
+
+        Args:
+            text (str): The text to write
+            style (Style): The style of the text
+        """
+        color = style.color
+        bgcolor = style.bgcolor
+        if style.reverse:
+            color, bgcolor = bgcolor, color
+
+        if color:
+            fore = color.downgrade(ColorSystem.WINDOWS).number
+            fore = fore if fore is not None else 7  # Default to ANSI 7: White
+            if style.bold:
+                fore = fore | self.BRIGHT_BIT
+            if style.dim:
+                fore = fore & ~self.BRIGHT_BIT
+            fore = self.ANSI_TO_WINDOWS[fore]
+        else:
+            fore = self._default_fore
+
+        if bgcolor:
+            back = bgcolor.downgrade(ColorSystem.WINDOWS).number
+            back = back if back is not None else 0  # Default to ANSI 0: Black
+            back = self.ANSI_TO_WINDOWS[back]
+        else:
+            back = self._default_back
+
+        assert fore is not None
+        assert back is not None
+
+        SetConsoleTextAttribute(
+            self._handle, attributes=ctypes.c_ushort(fore | (back << 4))
+        )
+        self.write_text(text)
+        SetConsoleTextAttribute(self._handle, attributes=self._default_text)
+
+    def move_cursor_to(self, new_position: WindowsCoordinates) -> None:
+        """Set the position of the cursor
+
+        Args:
+            new_position (WindowsCoordinates): The WindowsCoordinates representing the new position of the cursor.
+        """
+        if new_position.col < 0 or new_position.row < 0:
+            return
+        SetConsoleCursorPosition(self._handle, coords=new_position)
+
+    def erase_line(self) -> None:
+        """Erase all content on the line the cursor is currently located at"""
+        screen_size = self.screen_size
+        cursor_position = self.cursor_position
+        cells_to_erase = screen_size.col
+        start_coordinates = WindowsCoordinates(row=cursor_position.row, col=0)
+        FillConsoleOutputCharacter(
+            self._handle, " ", length=cells_to_erase, start=start_coordinates
+        )
+        FillConsoleOutputAttribute(
+            self._handle,
+            self._default_attrs,
+            length=cells_to_erase,
+            start=start_coordinates,
+        )
+
+    def erase_end_of_line(self) -> None:
+        """Erase all content from the cursor position to the end of that line"""
+        cursor_position = self.cursor_position
+        cells_to_erase = self.screen_size.col - cursor_position.col
+        FillConsoleOutputCharacter(
+            self._handle, " ", length=cells_to_erase, start=cursor_position
+        )
+        FillConsoleOutputAttribute(
+            self._handle,
+            self._default_attrs,
+            length=cells_to_erase,
+            start=cursor_position,
+        )
+
+    def erase_start_of_line(self) -> None:
+        """Erase all content from the cursor position to the start of that line"""
+        row, col = self.cursor_position
+        start = WindowsCoordinates(row, 0)
+        FillConsoleOutputCharacter(self._handle, " ", length=col, start=start)
+        FillConsoleOutputAttribute(
+            self._handle, self._default_attrs, length=col, start=start
+        )
+
+    def move_cursor_up(self) -> None:
+        """Move the cursor up a single cell"""
+        cursor_position = self.cursor_position
+        SetConsoleCursorPosition(
+            self._handle,
+            coords=WindowsCoordinates(
+                row=cursor_position.row - 1, col=cursor_position.col
+            ),
+        )
+
+    def move_cursor_down(self) -> None:
+        """Move the cursor down a single cell"""
+        cursor_position = self.cursor_position
+        SetConsoleCursorPosition(
+            self._handle,
+            coords=WindowsCoordinates(
+                row=cursor_position.row + 1,
+                col=cursor_position.col,
+            ),
+        )
+
+    def move_cursor_forward(self) -> None:
+        """Move the cursor forward a single cell. Wrap to the next line if required."""
+        row, col = self.cursor_position
+        if col == self.screen_size.col - 1:
+            row += 1
+            col = 0
+        else:
+            col += 1
+        SetConsoleCursorPosition(
+            self._handle, coords=WindowsCoordinates(row=row, col=col)
+        )
+
+    def move_cursor_to_column(self, column: int) -> None:
+        """Move cursor to the column specified by the zero-based column index, staying on the same row
+
+        Args:
+            column (int): The zero-based column index to move the cursor to.
+        """
+        row, _ = self.cursor_position
+        SetConsoleCursorPosition(self._handle, coords=WindowsCoordinates(row, column))
+
+    def move_cursor_backward(self) -> None:
+        """Move the cursor backward a single cell. Wrap to the previous line if required."""
+        row, col = self.cursor_position
+        if col == 0:
+            row -= 1
+            col = self.screen_size.col - 1
+        else:
+            col -= 1
+        SetConsoleCursorPosition(
+            self._handle, coords=WindowsCoordinates(row=row, col=col)
+        )
+
+    def hide_cursor(self) -> None:
+        """Hide the cursor"""
+        current_cursor_size = self._get_cursor_size()
+        invisible_cursor = CONSOLE_CURSOR_INFO(dwSize=current_cursor_size, bVisible=0)
+        SetConsoleCursorInfo(self._handle, cursor_info=invisible_cursor)
+
+    def show_cursor(self) -> None:
+        """Show the cursor"""
+        current_cursor_size = self._get_cursor_size()
+        visible_cursor = CONSOLE_CURSOR_INFO(dwSize=current_cursor_size, bVisible=1)
+        SetConsoleCursorInfo(self._handle, cursor_info=visible_cursor)
+
+    def set_title(self, title: str) -> None:
+        """Set the title of the terminal window
+
+        Args:
+            title (str): The new title of the console window
+        """
+        assert len(title) < 255, "Console title must be less than 255 characters"
+        SetConsoleTitle(title)
+
+    def _get_cursor_size(self) -> int:
+        """Get the percentage of the character cell that is filled by the cursor"""
+        cursor_info = CONSOLE_CURSOR_INFO()
+        GetConsoleCursorInfo(self._handle, cursor_info=cursor_info)
+        return int(cursor_info.dwSize)
+
+
+if __name__ == "__main__":
+    handle = GetStdHandle()
+
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+
+    term = LegacyWindowsTerm(sys.stdout)
+    term.set_title("Win32 Console Examples")
+
+    style = Style(color="black", bgcolor="red")
+
+    heading = Style.parse("black on green")
+
+    # Check colour output
+    console.rule("Checking colour output")
+    console.print("[on red]on red!")
+    console.print("[blue]blue!")
+    console.print("[yellow]yellow!")
+    console.print("[bold yellow]bold yellow!")
+    console.print("[bright_yellow]bright_yellow!")
+    console.print("[dim bright_yellow]dim bright_yellow!")
+    console.print("[italic cyan]italic cyan!")
+    console.print("[bold white on blue]bold white on blue!")
+    console.print("[reverse bold white on blue]reverse bold white on blue!")
+    console.print("[bold black on cyan]bold black on cyan!")
+    console.print("[black on green]black on green!")
+    console.print("[blue on green]blue on green!")
+    console.print("[white on black]white on black!")
+    console.print("[black on white]black on white!")
+    console.print("[#1BB152 on #DA812D]#1BB152 on #DA812D!")
+
+    # Check cursor movement
+    console.rule("Checking cursor movement")
+    console.print()
+    term.move_cursor_backward()
+    term.move_cursor_backward()
+    term.write_text("went back and wrapped to prev line")
+    time.sleep(1)
+    term.move_cursor_up()
+    term.write_text("we go up")
+    time.sleep(1)
+    term.move_cursor_down()
+    term.write_text("and down")
+    time.sleep(1)
+    term.move_cursor_up()
+    term.move_cursor_backward()
+    term.move_cursor_backward()
+    term.write_text("we went up and back 2")
+    time.sleep(1)
+    term.move_cursor_down()
+    term.move_cursor_backward()
+    term.move_cursor_backward()
+    term.write_text("we went down and back 2")
+    time.sleep(1)
+
+    # Check erasing of lines
+    term.hide_cursor()
+    console.print()
+    console.rule("Checking line erasing")
+    console.print("\n...Deleting to the start of the line...")
+    term.write_text("The red arrow shows the cursor location, and direction of erase")
+    time.sleep(1)
+    term.move_cursor_to_column(16)
+    term.write_styled("<", Style.parse("black on red"))
+    term.move_cursor_backward()
+    time.sleep(1)
+    term.erase_start_of_line()
+    time.sleep(1)
+
+    console.print("\n\n...And to the end of the line...")
+    term.write_text("The red arrow shows the cursor location, and direction of erase")
+    time.sleep(1)
+
+    term.move_cursor_to_column(16)
+    term.write_styled(">", Style.parse("black on red"))
+    time.sleep(1)
+    term.erase_end_of_line()
+    time.sleep(1)
+
+    console.print("\n\n...Now the whole line will be erased...")
+    term.write_styled("I'm going to disappear!", style=Style.parse("black on cyan"))
+    time.sleep(1)
+    term.erase_line()
+
+    term.show_cursor()
+    print("\n")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_windows.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_windows.py
new file mode 100644
index 00000000..10fc0d7e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_windows.py
@@ -0,0 +1,72 @@
+import sys
+from dataclasses import dataclass
+
+
+@dataclass
+class WindowsConsoleFeatures:
+    """Windows features available."""
+
+    vt: bool = False
+    """The console supports VT codes."""
+    truecolor: bool = False
+    """The console supports truecolor."""
+
+
+try:
+    import ctypes
+    from ctypes import LibraryLoader
+
+    if sys.platform == "win32":
+        windll = LibraryLoader(ctypes.WinDLL)
+    else:
+        windll = None
+        raise ImportError("Not windows")
+
+    from pip._vendor.rich._win32_console import (
+        ENABLE_VIRTUAL_TERMINAL_PROCESSING,
+        GetConsoleMode,
+        GetStdHandle,
+        LegacyWindowsError,
+    )
+
+except (AttributeError, ImportError, ValueError):
+
+    # Fallback if we can't load the Windows DLL
+    def get_windows_console_features() -> WindowsConsoleFeatures:
+        features = WindowsConsoleFeatures()
+        return features
+
+else:
+
+    def get_windows_console_features() -> WindowsConsoleFeatures:
+        """Get windows console features.
+
+        Returns:
+            WindowsConsoleFeatures: An instance of WindowsConsoleFeatures.
+        """
+        handle = GetStdHandle()
+        try:
+            console_mode = GetConsoleMode(handle)
+            success = True
+        except LegacyWindowsError:
+            console_mode = 0
+            success = False
+        vt = bool(success and console_mode & ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+        truecolor = False
+        if vt:
+            win_version = sys.getwindowsversion()
+            truecolor = win_version.major > 10 or (
+                win_version.major == 10 and win_version.build >= 15063
+            )
+        features = WindowsConsoleFeatures(vt=vt, truecolor=truecolor)
+        return features
+
+
+if __name__ == "__main__":
+    import platform
+
+    features = get_windows_console_features()
+    from pip._vendor.rich import print
+
+    print(f'platform="{platform.system()}"')
+    print(repr(features))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_windows_renderer.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_windows_renderer.py
new file mode 100644
index 00000000..5ece0564
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_windows_renderer.py
@@ -0,0 +1,56 @@
+from typing import Iterable, Sequence, Tuple, cast
+
+from pip._vendor.rich._win32_console import LegacyWindowsTerm, WindowsCoordinates
+from pip._vendor.rich.segment import ControlCode, ControlType, Segment
+
+
+def legacy_windows_render(buffer: Iterable[Segment], term: LegacyWindowsTerm) -> None:
+    """Makes appropriate Windows Console API calls based on the segments in the buffer.
+
+    Args:
+        buffer (Iterable[Segment]): Iterable of Segments to convert to Win32 API calls.
+        term (LegacyWindowsTerm): Used to call the Windows Console API.
+    """
+    for text, style, control in buffer:
+        if not control:
+            if style:
+                term.write_styled(text, style)
+            else:
+                term.write_text(text)
+        else:
+            control_codes: Sequence[ControlCode] = control
+            for control_code in control_codes:
+                control_type = control_code[0]
+                if control_type == ControlType.CURSOR_MOVE_TO:
+                    _, x, y = cast(Tuple[ControlType, int, int], control_code)
+                    term.move_cursor_to(WindowsCoordinates(row=y - 1, col=x - 1))
+                elif control_type == ControlType.CARRIAGE_RETURN:
+                    term.write_text("\r")
+                elif control_type == ControlType.HOME:
+                    term.move_cursor_to(WindowsCoordinates(0, 0))
+                elif control_type == ControlType.CURSOR_UP:
+                    term.move_cursor_up()
+                elif control_type == ControlType.CURSOR_DOWN:
+                    term.move_cursor_down()
+                elif control_type == ControlType.CURSOR_FORWARD:
+                    term.move_cursor_forward()
+                elif control_type == ControlType.CURSOR_BACKWARD:
+                    term.move_cursor_backward()
+                elif control_type == ControlType.CURSOR_MOVE_TO_COLUMN:
+                    _, column = cast(Tuple[ControlType, int], control_code)
+                    term.move_cursor_to_column(column - 1)
+                elif control_type == ControlType.HIDE_CURSOR:
+                    term.hide_cursor()
+                elif control_type == ControlType.SHOW_CURSOR:
+                    term.show_cursor()
+                elif control_type == ControlType.ERASE_IN_LINE:
+                    _, mode = cast(Tuple[ControlType, int], control_code)
+                    if mode == 0:
+                        term.erase_end_of_line()
+                    elif mode == 1:
+                        term.erase_start_of_line()
+                    elif mode == 2:
+                        term.erase_line()
+                elif control_type == ControlType.SET_WINDOW_TITLE:
+                    _, title = cast(Tuple[ControlType, str], control_code)
+                    term.set_title(title)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_wrap.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_wrap.py
new file mode 100644
index 00000000..c45f193f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/_wrap.py
@@ -0,0 +1,56 @@
+import re
+from typing import Iterable, List, Tuple
+
+from ._loop import loop_last
+from .cells import cell_len, chop_cells
+
+re_word = re.compile(r"\s*\S+\s*")
+
+
+def words(text: str) -> Iterable[Tuple[int, int, str]]:
+    position = 0
+    word_match = re_word.match(text, position)
+    while word_match is not None:
+        start, end = word_match.span()
+        word = word_match.group(0)
+        yield start, end, word
+        word_match = re_word.match(text, end)
+
+
+def divide_line(text: str, width: int, fold: bool = True) -> List[int]:
+    divides: List[int] = []
+    append = divides.append
+    line_position = 0
+    _cell_len = cell_len
+    for start, _end, word in words(text):
+        word_length = _cell_len(word.rstrip())
+        if line_position + word_length > width:
+            if word_length > width:
+                if fold:
+                    chopped_words = chop_cells(word, max_size=width, position=0)
+                    for last, line in loop_last(chopped_words):
+                        if start:
+                            append(start)
+
+                        if last:
+                            line_position = _cell_len(line)
+                        else:
+                            start += len(line)
+                else:
+                    if start:
+                        append(start)
+                    line_position = _cell_len(word)
+            elif line_position and start:
+                append(start)
+                line_position = _cell_len(word)
+        else:
+            line_position += _cell_len(word)
+    return divides
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .console import Console
+
+    console = Console(width=10)
+    console.print("12345 abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ 12345")
+    print(chop_cells("abcdefghijklmnopqrstuvwxyz", 10, position=2))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/abc.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/abc.py
new file mode 100644
index 00000000..e6e498ef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/abc.py
@@ -0,0 +1,33 @@
+from abc import ABC
+
+
+class RichRenderable(ABC):
+    """An abstract base class for Rich renderables.
+
+    Note that there is no need to extend this class, the intended use is to check if an
+    object supports the Rich renderable protocol. For example::
+
+        if isinstance(my_object, RichRenderable):
+            console.print(my_object)
+
+    """
+
+    @classmethod
+    def __subclasshook__(cls, other: type) -> bool:
+        """Check if this class supports the rich render protocol."""
+        return hasattr(other, "__rich_console__") or hasattr(other, "__rich__")
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.text import Text
+
+    t = Text()
+    print(isinstance(Text, RichRenderable))
+    print(isinstance(t, RichRenderable))
+
+    class Foo:
+        pass
+
+    f = Foo()
+    print(isinstance(f, RichRenderable))
+    print(isinstance("", RichRenderable))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/align.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/align.py
new file mode 100644
index 00000000..c310b66e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/align.py
@@ -0,0 +1,311 @@
+import sys
+from itertools import chain
+from typing import TYPE_CHECKING, Iterable, Optional
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+from .constrain import Constrain
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import StyleType
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType, RenderResult
+
+AlignMethod = Literal["left", "center", "right"]
+VerticalAlignMethod = Literal["top", "middle", "bottom"]
+
+
+class Align(JupyterMixin):
+    """Align a renderable by adding spaces if necessary.
+
+    Args:
+        renderable (RenderableType): A console renderable.
+        align (AlignMethod): One of "left", "center", or "right""
+        style (StyleType, optional): An optional style to apply to the background.
+        vertical (Optional[VerticalAlginMethod], optional): Optional vertical align, one of "top", "middle", or "bottom". Defaults to None.
+        pad (bool, optional): Pad the right with spaces. Defaults to True.
+        width (int, optional): Restrict contents to given width, or None to use default width. Defaults to None.
+        height (int, optional): Set height of align renderable, or None to fit to contents. Defaults to None.
+
+    Raises:
+        ValueError: if ``align`` is not one of the expected values.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        align: AlignMethod = "left",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> None:
+        if align not in ("left", "center", "right"):
+            raise ValueError(
+                f'invalid value for align, expected "left", "center", or "right" (not {align!r})'
+            )
+        if vertical is not None and vertical not in ("top", "middle", "bottom"):
+            raise ValueError(
+                f'invalid value for vertical, expected "top", "middle", or "bottom" (not {vertical!r})'
+            )
+        self.renderable = renderable
+        self.align = align
+        self.style = style
+        self.vertical = vertical
+        self.pad = pad
+        self.width = width
+        self.height = height
+
+    def __repr__(self) -> str:
+        return f"Align({self.renderable!r}, {self.align!r})"
+
+    @classmethod
+    def left(
+        cls,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> "Align":
+        """Align a renderable to the left."""
+        return cls(
+            renderable,
+            "left",
+            style=style,
+            vertical=vertical,
+            pad=pad,
+            width=width,
+            height=height,
+        )
+
+    @classmethod
+    def center(
+        cls,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> "Align":
+        """Align a renderable to the center."""
+        return cls(
+            renderable,
+            "center",
+            style=style,
+            vertical=vertical,
+            pad=pad,
+            width=width,
+            height=height,
+        )
+
+    @classmethod
+    def right(
+        cls,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+        *,
+        vertical: Optional[VerticalAlignMethod] = None,
+        pad: bool = True,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+    ) -> "Align":
+        """Align a renderable to the right."""
+        return cls(
+            renderable,
+            "right",
+            style=style,
+            vertical=vertical,
+            pad=pad,
+            width=width,
+            height=height,
+        )
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        align = self.align
+        width = console.measure(self.renderable, options=options).maximum
+        rendered = console.render(
+            Constrain(
+                self.renderable, width if self.width is None else min(width, self.width)
+            ),
+            options.update(height=None),
+        )
+        lines = list(Segment.split_lines(rendered))
+        width, height = Segment.get_shape(lines)
+        lines = Segment.set_shape(lines, width, height)
+        new_line = Segment.line()
+        excess_space = options.max_width - width
+        style = console.get_style(self.style) if self.style is not None else None
+
+        def generate_segments() -> Iterable[Segment]:
+            if excess_space <= 0:
+                # Exact fit
+                for line in lines:
+                    yield from line
+                    yield new_line
+
+            elif align == "left":
+                # Pad on the right
+                pad = Segment(" " * excess_space, style) if self.pad else None
+                for line in lines:
+                    yield from line
+                    if pad:
+                        yield pad
+                    yield new_line
+
+            elif align == "center":
+                # Pad left and right
+                left = excess_space // 2
+                pad = Segment(" " * left, style)
+                pad_right = (
+                    Segment(" " * (excess_space - left), style) if self.pad else None
+                )
+                for line in lines:
+                    if left:
+                        yield pad
+                    yield from line
+                    if pad_right:
+                        yield pad_right
+                    yield new_line
+
+            elif align == "right":
+                # Padding on left
+                pad = Segment(" " * excess_space, style)
+                for line in lines:
+                    yield pad
+                    yield from line
+                    yield new_line
+
+        blank_line = (
+            Segment(f"{' ' * (self.width or options.max_width)}\n", style)
+            if self.pad
+            else Segment("\n")
+        )
+
+        def blank_lines(count: int) -> Iterable[Segment]:
+            if count > 0:
+                for _ in range(count):
+                    yield blank_line
+
+        vertical_height = self.height or options.height
+        iter_segments: Iterable[Segment]
+        if self.vertical and vertical_height is not None:
+            if self.vertical == "top":
+                bottom_space = vertical_height - height
+                iter_segments = chain(generate_segments(), blank_lines(bottom_space))
+            elif self.vertical == "middle":
+                top_space = (vertical_height - height) // 2
+                bottom_space = vertical_height - top_space - height
+                iter_segments = chain(
+                    blank_lines(top_space),
+                    generate_segments(),
+                    blank_lines(bottom_space),
+                )
+            else:  #  self.vertical == "bottom":
+                top_space = vertical_height - height
+                iter_segments = chain(blank_lines(top_space), generate_segments())
+        else:
+            iter_segments = generate_segments()
+        if self.style:
+            style = console.get_style(self.style)
+            iter_segments = Segment.apply_style(iter_segments, style)
+        yield from iter_segments
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        measurement = Measurement.get(console, options, self.renderable)
+        return measurement
+
+
+class VerticalCenter(JupyterMixin):
+    """Vertically aligns a renderable.
+
+    Warn:
+        This class is deprecated and may be removed in a future version. Use Align class with
+        `vertical="middle"`.
+
+    Args:
+        renderable (RenderableType): A renderable object.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        style: Optional[StyleType] = None,
+    ) -> None:
+        self.renderable = renderable
+        self.style = style
+
+    def __repr__(self) -> str:
+        return f"VerticalCenter({self.renderable!r})"
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        style = console.get_style(self.style) if self.style is not None else None
+        lines = console.render_lines(
+            self.renderable, options.update(height=None), pad=False
+        )
+        width, _height = Segment.get_shape(lines)
+        new_line = Segment.line()
+        height = options.height or options.size.height
+        top_space = (height - len(lines)) // 2
+        bottom_space = height - top_space - len(lines)
+        blank_line = Segment(f"{' ' * width}", style)
+
+        def blank_lines(count: int) -> Iterable[Segment]:
+            for _ in range(count):
+                yield blank_line
+                yield new_line
+
+        if top_space > 0:
+            yield from blank_lines(top_space)
+        for line in lines:
+            yield from line
+            yield new_line
+        if bottom_space > 0:
+            yield from blank_lines(bottom_space)
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        measurement = Measurement.get(console, options, self.renderable)
+        return measurement
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console, Group
+    from pip._vendor.rich.highlighter import ReprHighlighter
+    from pip._vendor.rich.panel import Panel
+
+    highlighter = ReprHighlighter()
+    console = Console()
+
+    panel = Panel(
+        Group(
+            Align.left(highlighter("align='left'")),
+            Align.center(highlighter("align='center'")),
+            Align.right(highlighter("align='right'")),
+        ),
+        width=60,
+        style="on dark_blue",
+        title="Align",
+    )
+
+    console.print(
+        Align.center(panel, vertical="middle", style="on red", height=console.height)
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/ansi.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/ansi.py
new file mode 100644
index 00000000..66365e65
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/ansi.py
@@ -0,0 +1,240 @@
+import re
+import sys
+from contextlib import suppress
+from typing import Iterable, NamedTuple, Optional
+
+from .color import Color
+from .style import Style
+from .text import Text
+
+re_ansi = re.compile(
+    r"""
+(?:\x1b\](.*?)\x1b\\)|
+(?:\x1b([(@-Z\\-_]|\[[0-?]*[ -/]*[@-~]))
+""",
+    re.VERBOSE,
+)
+
+
+class _AnsiToken(NamedTuple):
+    """Result of ansi tokenized string."""
+
+    plain: str = ""
+    sgr: Optional[str] = ""
+    osc: Optional[str] = ""
+
+
+def _ansi_tokenize(ansi_text: str) -> Iterable[_AnsiToken]:
+    """Tokenize a string in to plain text and ANSI codes.
+
+    Args:
+        ansi_text (str): A String containing ANSI codes.
+
+    Yields:
+        AnsiToken: A named tuple of (plain, sgr, osc)
+    """
+
+    position = 0
+    sgr: Optional[str]
+    osc: Optional[str]
+    for match in re_ansi.finditer(ansi_text):
+        start, end = match.span(0)
+        osc, sgr = match.groups()
+        if start > position:
+            yield _AnsiToken(ansi_text[position:start])
+        if sgr:
+            if sgr == "(":
+                position = end + 1
+                continue
+            if sgr.endswith("m"):
+                yield _AnsiToken("", sgr[1:-1], osc)
+        else:
+            yield _AnsiToken("", sgr, osc)
+        position = end
+    if position < len(ansi_text):
+        yield _AnsiToken(ansi_text[position:])
+
+
+SGR_STYLE_MAP = {
+    1: "bold",
+    2: "dim",
+    3: "italic",
+    4: "underline",
+    5: "blink",
+    6: "blink2",
+    7: "reverse",
+    8: "conceal",
+    9: "strike",
+    21: "underline2",
+    22: "not dim not bold",
+    23: "not italic",
+    24: "not underline",
+    25: "not blink",
+    26: "not blink2",
+    27: "not reverse",
+    28: "not conceal",
+    29: "not strike",
+    30: "color(0)",
+    31: "color(1)",
+    32: "color(2)",
+    33: "color(3)",
+    34: "color(4)",
+    35: "color(5)",
+    36: "color(6)",
+    37: "color(7)",
+    39: "default",
+    40: "on color(0)",
+    41: "on color(1)",
+    42: "on color(2)",
+    43: "on color(3)",
+    44: "on color(4)",
+    45: "on color(5)",
+    46: "on color(6)",
+    47: "on color(7)",
+    49: "on default",
+    51: "frame",
+    52: "encircle",
+    53: "overline",
+    54: "not frame not encircle",
+    55: "not overline",
+    90: "color(8)",
+    91: "color(9)",
+    92: "color(10)",
+    93: "color(11)",
+    94: "color(12)",
+    95: "color(13)",
+    96: "color(14)",
+    97: "color(15)",
+    100: "on color(8)",
+    101: "on color(9)",
+    102: "on color(10)",
+    103: "on color(11)",
+    104: "on color(12)",
+    105: "on color(13)",
+    106: "on color(14)",
+    107: "on color(15)",
+}
+
+
+class AnsiDecoder:
+    """Translate ANSI code in to styled Text."""
+
+    def __init__(self) -> None:
+        self.style = Style.null()
+
+    def decode(self, terminal_text: str) -> Iterable[Text]:
+        """Decode ANSI codes in an iterable of lines.
+
+        Args:
+            lines (Iterable[str]): An iterable of lines of terminal output.
+
+        Yields:
+            Text: Marked up Text.
+        """
+        for line in terminal_text.splitlines():
+            yield self.decode_line(line)
+
+    def decode_line(self, line: str) -> Text:
+        """Decode a line containing ansi codes.
+
+        Args:
+            line (str): A line of terminal output.
+
+        Returns:
+            Text: A Text instance marked up according to ansi codes.
+        """
+        from_ansi = Color.from_ansi
+        from_rgb = Color.from_rgb
+        _Style = Style
+        text = Text()
+        append = text.append
+        line = line.rsplit("\r", 1)[-1]
+        for plain_text, sgr, osc in _ansi_tokenize(line):
+            if plain_text:
+                append(plain_text, self.style or None)
+            elif osc is not None:
+                if osc.startswith("8;"):
+                    _params, semicolon, link = osc[2:].partition(";")
+                    if semicolon:
+                        self.style = self.style.update_link(link or None)
+            elif sgr is not None:
+                # Translate in to semi-colon separated codes
+                # Ignore invalid codes, because we want to be lenient
+                codes = [
+                    min(255, int(_code) if _code else 0)
+                    for _code in sgr.split(";")
+                    if _code.isdigit() or _code == ""
+                ]
+                iter_codes = iter(codes)
+                for code in iter_codes:
+                    if code == 0:
+                        # reset
+                        self.style = _Style.null()
+                    elif code in SGR_STYLE_MAP:
+                        # styles
+                        self.style += _Style.parse(SGR_STYLE_MAP[code])
+                    elif code == 38:
+                        #  Foreground
+                        with suppress(StopIteration):
+                            color_type = next(iter_codes)
+                            if color_type == 5:
+                                self.style += _Style.from_color(
+                                    from_ansi(next(iter_codes))
+                                )
+                            elif color_type == 2:
+                                self.style += _Style.from_color(
+                                    from_rgb(
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                    )
+                                )
+                    elif code == 48:
+                        # Background
+                        with suppress(StopIteration):
+                            color_type = next(iter_codes)
+                            if color_type == 5:
+                                self.style += _Style.from_color(
+                                    None, from_ansi(next(iter_codes))
+                                )
+                            elif color_type == 2:
+                                self.style += _Style.from_color(
+                                    None,
+                                    from_rgb(
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                        next(iter_codes),
+                                    ),
+                                )
+
+        return text
+
+
+if sys.platform != "win32" and __name__ == "__main__":  # pragma: no cover
+    import io
+    import os
+    import pty
+    import sys
+
+    decoder = AnsiDecoder()
+
+    stdout = io.BytesIO()
+
+    def read(fd: int) -> bytes:
+        data = os.read(fd, 1024)
+        stdout.write(data)
+        return data
+
+    pty.spawn(sys.argv[1:], read)
+
+    from .console import Console
+
+    console = Console(record=True)
+
+    stdout_result = stdout.getvalue().decode("utf-8")
+    print(stdout_result)
+
+    for line in decoder.decode(stdout_result):
+        console.print(line)
+
+    console.save_html("stdout.html")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/bar.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/bar.py
new file mode 100644
index 00000000..ed86a552
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/bar.py
@@ -0,0 +1,94 @@
+from typing import Optional, Union
+
+from .color import Color
+from .console import Console, ConsoleOptions, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style
+
+# There are left-aligned characters for 1/8 to 7/8, but
+# the right-aligned characters exist only for 1/8 and 4/8.
+BEGIN_BLOCK_ELEMENTS = ["█", "█", "█", "▐", "▐", "▐", "▕", "▕"]
+END_BLOCK_ELEMENTS = [" ", "▏", "▎", "▍", "▌", "▋", "▊", "▉"]
+FULL_BLOCK = "█"
+
+
+class Bar(JupyterMixin):
+    """Renders a solid block bar.
+
+    Args:
+        size (float): Value for the end of the bar.
+        begin (float): Begin point (between 0 and size, inclusive).
+        end (float): End point (between 0 and size, inclusive).
+        width (int, optional): Width of the bar, or ``None`` for maximum width. Defaults to None.
+        color (Union[Color, str], optional): Color of the bar. Defaults to "default".
+        bgcolor (Union[Color, str], optional): Color of bar background. Defaults to "default".
+    """
+
+    def __init__(
+        self,
+        size: float,
+        begin: float,
+        end: float,
+        *,
+        width: Optional[int] = None,
+        color: Union[Color, str] = "default",
+        bgcolor: Union[Color, str] = "default",
+    ):
+        self.size = size
+        self.begin = max(begin, 0)
+        self.end = min(end, size)
+        self.width = width
+        self.style = Style(color=color, bgcolor=bgcolor)
+
+    def __repr__(self) -> str:
+        return f"Bar({self.size}, {self.begin}, {self.end})"
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+
+        width = min(
+            self.width if self.width is not None else options.max_width,
+            options.max_width,
+        )
+
+        if self.begin >= self.end:
+            yield Segment(" " * width, self.style)
+            yield Segment.line()
+            return
+
+        prefix_complete_eights = int(width * 8 * self.begin / self.size)
+        prefix_bar_count = prefix_complete_eights // 8
+        prefix_eights_count = prefix_complete_eights % 8
+
+        body_complete_eights = int(width * 8 * self.end / self.size)
+        body_bar_count = body_complete_eights // 8
+        body_eights_count = body_complete_eights % 8
+
+        # When start and end fall into the same cell, we ideally should render
+        # a symbol that's "center-aligned", but there is no good symbol in Unicode.
+        # In this case, we fall back to right-aligned block symbol for simplicity.
+
+        prefix = " " * prefix_bar_count
+        if prefix_eights_count:
+            prefix += BEGIN_BLOCK_ELEMENTS[prefix_eights_count]
+
+        body = FULL_BLOCK * body_bar_count
+        if body_eights_count:
+            body += END_BLOCK_ELEMENTS[body_eights_count]
+
+        suffix = " " * (width - len(body))
+
+        yield Segment(prefix + body[len(prefix) :] + suffix, self.style)
+        yield Segment.line()
+
+    def __rich_measure__(
+        self, console: Console, options: ConsoleOptions
+    ) -> Measurement:
+        return (
+            Measurement(self.width, self.width)
+            if self.width is not None
+            else Measurement(4, options.max_width)
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/box.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/box.py
new file mode 100644
index 00000000..97d2a944
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/box.py
@@ -0,0 +1,517 @@
+import sys
+from typing import TYPE_CHECKING, Iterable, List
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+
+from ._loop import loop_last
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.console import ConsoleOptions
+
+
+class Box:
+    """Defines characters to render boxes.
+
+    ┌─┬┐ top
+    │ ││ head
+    ├─┼┤ head_row
+    │ ││ mid
+    ├─┼┤ row
+    ├─┼┤ foot_row
+    │ ││ foot
+    └─┴┘ bottom
+
+    Args:
+        box (str): Characters making up box.
+        ascii (bool, optional): True if this box uses ascii characters only. Default is False.
+    """
+
+    def __init__(self, box: str, *, ascii: bool = False) -> None:
+        self._box = box
+        self.ascii = ascii
+        line1, line2, line3, line4, line5, line6, line7, line8 = box.splitlines()
+        # top
+        self.top_left, self.top, self.top_divider, self.top_right = iter(line1)
+        # head
+        self.head_left, _, self.head_vertical, self.head_right = iter(line2)
+        # head_row
+        (
+            self.head_row_left,
+            self.head_row_horizontal,
+            self.head_row_cross,
+            self.head_row_right,
+        ) = iter(line3)
+
+        # mid
+        self.mid_left, _, self.mid_vertical, self.mid_right = iter(line4)
+        # row
+        self.row_left, self.row_horizontal, self.row_cross, self.row_right = iter(line5)
+        # foot_row
+        (
+            self.foot_row_left,
+            self.foot_row_horizontal,
+            self.foot_row_cross,
+            self.foot_row_right,
+        ) = iter(line6)
+        # foot
+        self.foot_left, _, self.foot_vertical, self.foot_right = iter(line7)
+        # bottom
+        self.bottom_left, self.bottom, self.bottom_divider, self.bottom_right = iter(
+            line8
+        )
+
+    def __repr__(self) -> str:
+        return "Box(...)"
+
+    def __str__(self) -> str:
+        return self._box
+
+    def substitute(self, options: "ConsoleOptions", safe: bool = True) -> "Box":
+        """Substitute this box for another if it won't render due to platform issues.
+
+        Args:
+            options (ConsoleOptions): Console options used in rendering.
+            safe (bool, optional): Substitute this for another Box if there are known problems
+                displaying on the platform (currently only relevant on Windows). Default is True.
+
+        Returns:
+            Box: A different Box or the same Box.
+        """
+        box = self
+        if options.legacy_windows and safe:
+            box = LEGACY_WINDOWS_SUBSTITUTIONS.get(box, box)
+        if options.ascii_only and not box.ascii:
+            box = ASCII
+        return box
+
+    def get_plain_headed_box(self) -> "Box":
+        """If this box uses special characters for the borders of the header, then
+        return the equivalent box that does not.
+
+        Returns:
+            Box: The most similar Box that doesn't use header-specific box characters.
+                If the current Box already satisfies this criterion, then it's returned.
+        """
+        return PLAIN_HEADED_SUBSTITUTIONS.get(self, self)
+
+    def get_top(self, widths: Iterable[int]) -> str:
+        """Get the top of a simple box.
+
+        Args:
+            widths (List[int]): Widths of columns.
+
+        Returns:
+            str: A string of box characters.
+        """
+
+        parts: List[str] = []
+        append = parts.append
+        append(self.top_left)
+        for last, width in loop_last(widths):
+            append(self.top * width)
+            if not last:
+                append(self.top_divider)
+        append(self.top_right)
+        return "".join(parts)
+
+    def get_row(
+        self,
+        widths: Iterable[int],
+        level: Literal["head", "row", "foot", "mid"] = "row",
+        edge: bool = True,
+    ) -> str:
+        """Get the top of a simple box.
+
+        Args:
+            width (List[int]): Widths of columns.
+
+        Returns:
+            str: A string of box characters.
+        """
+        if level == "head":
+            left = self.head_row_left
+            horizontal = self.head_row_horizontal
+            cross = self.head_row_cross
+            right = self.head_row_right
+        elif level == "row":
+            left = self.row_left
+            horizontal = self.row_horizontal
+            cross = self.row_cross
+            right = self.row_right
+        elif level == "mid":
+            left = self.mid_left
+            horizontal = " "
+            cross = self.mid_vertical
+            right = self.mid_right
+        elif level == "foot":
+            left = self.foot_row_left
+            horizontal = self.foot_row_horizontal
+            cross = self.foot_row_cross
+            right = self.foot_row_right
+        else:
+            raise ValueError("level must be 'head', 'row' or 'foot'")
+
+        parts: List[str] = []
+        append = parts.append
+        if edge:
+            append(left)
+        for last, width in loop_last(widths):
+            append(horizontal * width)
+            if not last:
+                append(cross)
+        if edge:
+            append(right)
+        return "".join(parts)
+
+    def get_bottom(self, widths: Iterable[int]) -> str:
+        """Get the bottom of a simple box.
+
+        Args:
+            widths (List[int]): Widths of columns.
+
+        Returns:
+            str: A string of box characters.
+        """
+
+        parts: List[str] = []
+        append = parts.append
+        append(self.bottom_left)
+        for last, width in loop_last(widths):
+            append(self.bottom * width)
+            if not last:
+                append(self.bottom_divider)
+        append(self.bottom_right)
+        return "".join(parts)
+
+
+ASCII: Box = Box(
+    """\
++--+
+| ||
+|-+|
+| ||
+|-+|
+|-+|
+| ||
++--+
+""",
+    ascii=True,
+)
+
+ASCII2: Box = Box(
+    """\
++-++
+| ||
++-++
+| ||
++-++
++-++
+| ||
++-++
+""",
+    ascii=True,
+)
+
+ASCII_DOUBLE_HEAD: Box = Box(
+    """\
++-++
+| ||
++=++
+| ||
++-++
++-++
+| ||
++-++
+""",
+    ascii=True,
+)
+
+SQUARE: Box = Box(
+    """\
+┌─┬┐
+│ ││
+├─┼┤
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+└─┴┘
+"""
+)
+
+SQUARE_DOUBLE_HEAD: Box = Box(
+    """\
+┌─┬┐
+│ ││
+╞═╪╡
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+└─┴┘
+"""
+)
+
+MINIMAL: Box = Box(
+    """\
+  ╷ 
+  │ 
+╶─┼╴
+  │ 
+╶─┼╴
+╶─┼╴
+  │ 
+  ╵ 
+"""
+)
+
+
+MINIMAL_HEAVY_HEAD: Box = Box(
+    """\
+  ╷ 
+  │ 
+╺━┿╸
+  │ 
+╶─┼╴
+╶─┼╴
+  │ 
+  ╵ 
+"""
+)
+
+MINIMAL_DOUBLE_HEAD: Box = Box(
+    """\
+  ╷ 
+  │ 
+ ═╪ 
+  │ 
+ ─┼ 
+ ─┼ 
+  │ 
+  ╵ 
+"""
+)
+
+
+SIMPLE: Box = Box(
+    """\
+    
+    
+ ── 
+    
+    
+ ── 
+    
+    
+"""
+)
+
+SIMPLE_HEAD: Box = Box(
+    """\
+    
+    
+ ── 
+    
+    
+    
+    
+    
+"""
+)
+
+
+SIMPLE_HEAVY: Box = Box(
+    """\
+    
+    
+ ━━ 
+    
+    
+ ━━ 
+    
+    
+"""
+)
+
+
+HORIZONTALS: Box = Box(
+    """\
+ ── 
+    
+ ── 
+    
+ ── 
+ ── 
+    
+ ── 
+"""
+)
+
+ROUNDED: Box = Box(
+    """\
+╭─┬╮
+│ ││
+├─┼┤
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+╰─┴╯
+"""
+)
+
+HEAVY: Box = Box(
+    """\
+┏━┳┓
+┃ ┃┃
+┣━╋┫
+┃ ┃┃
+┣━╋┫
+┣━╋┫
+┃ ┃┃
+┗━┻┛
+"""
+)
+
+HEAVY_EDGE: Box = Box(
+    """\
+┏━┯┓
+┃ │┃
+┠─┼┨
+┃ │┃
+┠─┼┨
+┠─┼┨
+┃ │┃
+┗━┷┛
+"""
+)
+
+HEAVY_HEAD: Box = Box(
+    """\
+┏━┳┓
+┃ ┃┃
+┡━╇┩
+│ ││
+├─┼┤
+├─┼┤
+│ ││
+└─┴┘
+"""
+)
+
+DOUBLE: Box = Box(
+    """\
+╔═╦╗
+║ ║║
+╠═╬╣
+║ ║║
+╠═╬╣
+╠═╬╣
+║ ║║
+╚═╩╝
+"""
+)
+
+DOUBLE_EDGE: Box = Box(
+    """\
+╔═╤╗
+║ │║
+╟─┼╢
+║ │║
+╟─┼╢
+╟─┼╢
+║ │║
+╚═╧╝
+"""
+)
+
+MARKDOWN: Box = Box(
+    """\
+    
+| ||
+|-||
+| ||
+|-||
+|-||
+| ||
+    
+""",
+    ascii=True,
+)
+
+# Map Boxes that don't render with raster fonts on to equivalent that do
+LEGACY_WINDOWS_SUBSTITUTIONS = {
+    ROUNDED: SQUARE,
+    MINIMAL_HEAVY_HEAD: MINIMAL,
+    SIMPLE_HEAVY: SIMPLE,
+    HEAVY: SQUARE,
+    HEAVY_EDGE: SQUARE,
+    HEAVY_HEAD: SQUARE,
+}
+
+# Map headed boxes to their headerless equivalents
+PLAIN_HEADED_SUBSTITUTIONS = {
+    HEAVY_HEAD: SQUARE,
+    SQUARE_DOUBLE_HEAD: SQUARE,
+    MINIMAL_DOUBLE_HEAD: MINIMAL,
+    MINIMAL_HEAVY_HEAD: MINIMAL,
+    ASCII_DOUBLE_HEAD: ASCII2,
+}
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from pip._vendor.rich.columns import Columns
+    from pip._vendor.rich.panel import Panel
+
+    from . import box as box
+    from .console import Console
+    from .table import Table
+    from .text import Text
+
+    console = Console(record=True)
+
+    BOXES = [
+        "ASCII",
+        "ASCII2",
+        "ASCII_DOUBLE_HEAD",
+        "SQUARE",
+        "SQUARE_DOUBLE_HEAD",
+        "MINIMAL",
+        "MINIMAL_HEAVY_HEAD",
+        "MINIMAL_DOUBLE_HEAD",
+        "SIMPLE",
+        "SIMPLE_HEAD",
+        "SIMPLE_HEAVY",
+        "HORIZONTALS",
+        "ROUNDED",
+        "HEAVY",
+        "HEAVY_EDGE",
+        "HEAVY_HEAD",
+        "DOUBLE",
+        "DOUBLE_EDGE",
+        "MARKDOWN",
+    ]
+
+    console.print(Panel("[bold green]Box Constants", style="green"), justify="center")
+    console.print()
+
+    columns = Columns(expand=True, padding=2)
+    for box_name in sorted(BOXES):
+        table = Table(
+            show_footer=True, style="dim", border_style="not dim", expand=True
+        )
+        table.add_column("Header 1", "Footer 1")
+        table.add_column("Header 2", "Footer 2")
+        table.add_row("Cell", "Cell")
+        table.add_row("Cell", "Cell")
+        table.box = getattr(box, box_name)
+        table.title = Text(f"box.{box_name}", style="magenta")
+        columns.add_renderable(table)
+    console.print(columns)
+
+    # console.save_svg("box.svg")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/cells.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/cells.py
new file mode 100644
index 00000000..9354f9e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/cells.py
@@ -0,0 +1,154 @@
+import re
+from functools import lru_cache
+from typing import Callable, List
+
+from ._cell_widths import CELL_WIDTHS
+
+# Regex to match sequence of the most common character ranges
+_is_single_cell_widths = re.compile("^[\u0020-\u006f\u00a0\u02ff\u0370-\u0482]*$").match
+
+
+@lru_cache(4096)
+def cached_cell_len(text: str) -> int:
+    """Get the number of cells required to display text.
+
+    This method always caches, which may use up a lot of memory. It is recommended to use
+    `cell_len` over this method.
+
+    Args:
+        text (str): Text to display.
+
+    Returns:
+        int: Get the number of cells required to display text.
+    """
+    _get_size = get_character_cell_size
+    total_size = sum(_get_size(character) for character in text)
+    return total_size
+
+
+def cell_len(text: str, _cell_len: Callable[[str], int] = cached_cell_len) -> int:
+    """Get the number of cells required to display text.
+
+    Args:
+        text (str): Text to display.
+
+    Returns:
+        int: Get the number of cells required to display text.
+    """
+    if len(text) < 512:
+        return _cell_len(text)
+    _get_size = get_character_cell_size
+    total_size = sum(_get_size(character) for character in text)
+    return total_size
+
+
+@lru_cache(maxsize=4096)
+def get_character_cell_size(character: str) -> int:
+    """Get the cell size of a character.
+
+    Args:
+        character (str): A single character.
+
+    Returns:
+        int: Number of cells (0, 1 or 2) occupied by that character.
+    """
+    return _get_codepoint_cell_size(ord(character))
+
+
+@lru_cache(maxsize=4096)
+def _get_codepoint_cell_size(codepoint: int) -> int:
+    """Get the cell size of a character.
+
+    Args:
+        codepoint (int): Codepoint of a character.
+
+    Returns:
+        int: Number of cells (0, 1 or 2) occupied by that character.
+    """
+
+    _table = CELL_WIDTHS
+    lower_bound = 0
+    upper_bound = len(_table) - 1
+    index = (lower_bound + upper_bound) // 2
+    while True:
+        start, end, width = _table[index]
+        if codepoint < start:
+            upper_bound = index - 1
+        elif codepoint > end:
+            lower_bound = index + 1
+        else:
+            return 0 if width == -1 else width
+        if upper_bound < lower_bound:
+            break
+        index = (lower_bound + upper_bound) // 2
+    return 1
+
+
+def set_cell_size(text: str, total: int) -> str:
+    """Set the length of a string to fit within given number of cells."""
+
+    if _is_single_cell_widths(text):
+        size = len(text)
+        if size < total:
+            return text + " " * (total - size)
+        return text[:total]
+
+    if total <= 0:
+        return ""
+    cell_size = cell_len(text)
+    if cell_size == total:
+        return text
+    if cell_size < total:
+        return text + " " * (total - cell_size)
+
+    start = 0
+    end = len(text)
+
+    # Binary search until we find the right size
+    while True:
+        pos = (start + end) // 2
+        before = text[: pos + 1]
+        before_len = cell_len(before)
+        if before_len == total + 1 and cell_len(before[-1]) == 2:
+            return before[:-1] + " "
+        if before_len == total:
+            return before
+        if before_len > total:
+            end = pos
+        else:
+            start = pos
+
+
+# TODO: This is inefficient
+# TODO: This might not work with CWJ type characters
+def chop_cells(text: str, max_size: int, position: int = 0) -> List[str]:
+    """Break text in to equal (cell) length strings, returning the characters in reverse
+    order"""
+    _get_character_cell_size = get_character_cell_size
+    characters = [
+        (character, _get_character_cell_size(character)) for character in text
+    ]
+    total_size = position
+    lines: List[List[str]] = [[]]
+    append = lines[-1].append
+
+    for character, size in reversed(characters):
+        if total_size + size > max_size:
+            lines.append([character])
+            append = lines[-1].append
+            total_size = size
+        else:
+            total_size += size
+            append(character)
+
+    return ["".join(line) for line in lines]
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    print(get_character_cell_size("😽"))
+    for line in chop_cells("""这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑。""", 8):
+        print(line)
+    for n in range(80, 1, -1):
+        print(set_cell_size("""这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑。""", n) + "|")
+        print("x" * n)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/color.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/color.py
new file mode 100644
index 00000000..dfe45593
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/color.py
@@ -0,0 +1,622 @@
+import platform
+import re
+from colorsys import rgb_to_hls
+from enum import IntEnum
+from functools import lru_cache
+from typing import TYPE_CHECKING, NamedTuple, Optional, Tuple
+
+from ._palettes import EIGHT_BIT_PALETTE, STANDARD_PALETTE, WINDOWS_PALETTE
+from .color_triplet import ColorTriplet
+from .repr import Result, rich_repr
+from .terminal_theme import DEFAULT_TERMINAL_THEME
+
+if TYPE_CHECKING:  # pragma: no cover
+    from .terminal_theme import TerminalTheme
+    from .text import Text
+
+
+WINDOWS = platform.system() == "Windows"
+
+
+class ColorSystem(IntEnum):
+    """One of the 3 color system supported by terminals."""
+
+    STANDARD = 1
+    EIGHT_BIT = 2
+    TRUECOLOR = 3
+    WINDOWS = 4
+
+    def __repr__(self) -> str:
+        return f"ColorSystem.{self.name}"
+
+    def __str__(self) -> str:
+        return repr(self)
+
+
+class ColorType(IntEnum):
+    """Type of color stored in Color class."""
+
+    DEFAULT = 0
+    STANDARD = 1
+    EIGHT_BIT = 2
+    TRUECOLOR = 3
+    WINDOWS = 4
+
+    def __repr__(self) -> str:
+        return f"ColorType.{self.name}"
+
+
+ANSI_COLOR_NAMES = {
+    "black": 0,
+    "red": 1,
+    "green": 2,
+    "yellow": 3,
+    "blue": 4,
+    "magenta": 5,
+    "cyan": 6,
+    "white": 7,
+    "bright_black": 8,
+    "bright_red": 9,
+    "bright_green": 10,
+    "bright_yellow": 11,
+    "bright_blue": 12,
+    "bright_magenta": 13,
+    "bright_cyan": 14,
+    "bright_white": 15,
+    "grey0": 16,
+    "gray0": 16,
+    "navy_blue": 17,
+    "dark_blue": 18,
+    "blue3": 20,
+    "blue1": 21,
+    "dark_green": 22,
+    "deep_sky_blue4": 25,
+    "dodger_blue3": 26,
+    "dodger_blue2": 27,
+    "green4": 28,
+    "spring_green4": 29,
+    "turquoise4": 30,
+    "deep_sky_blue3": 32,
+    "dodger_blue1": 33,
+    "green3": 40,
+    "spring_green3": 41,
+    "dark_cyan": 36,
+    "light_sea_green": 37,
+    "deep_sky_blue2": 38,
+    "deep_sky_blue1": 39,
+    "spring_green2": 47,
+    "cyan3": 43,
+    "dark_turquoise": 44,
+    "turquoise2": 45,
+    "green1": 46,
+    "spring_green1": 48,
+    "medium_spring_green": 49,
+    "cyan2": 50,
+    "cyan1": 51,
+    "dark_red": 88,
+    "deep_pink4": 125,
+    "purple4": 55,
+    "purple3": 56,
+    "blue_violet": 57,
+    "orange4": 94,
+    "grey37": 59,
+    "gray37": 59,
+    "medium_purple4": 60,
+    "slate_blue3": 62,
+    "royal_blue1": 63,
+    "chartreuse4": 64,
+    "dark_sea_green4": 71,
+    "pale_turquoise4": 66,
+    "steel_blue": 67,
+    "steel_blue3": 68,
+    "cornflower_blue": 69,
+    "chartreuse3": 76,
+    "cadet_blue": 73,
+    "sky_blue3": 74,
+    "steel_blue1": 81,
+    "pale_green3": 114,
+    "sea_green3": 78,
+    "aquamarine3": 79,
+    "medium_turquoise": 80,
+    "chartreuse2": 112,
+    "sea_green2": 83,
+    "sea_green1": 85,
+    "aquamarine1": 122,
+    "dark_slate_gray2": 87,
+    "dark_magenta": 91,
+    "dark_violet": 128,
+    "purple": 129,
+    "light_pink4": 95,
+    "plum4": 96,
+    "medium_purple3": 98,
+    "slate_blue1": 99,
+    "yellow4": 106,
+    "wheat4": 101,
+    "grey53": 102,
+    "gray53": 102,
+    "light_slate_grey": 103,
+    "light_slate_gray": 103,
+    "medium_purple": 104,
+    "light_slate_blue": 105,
+    "dark_olive_green3": 149,
+    "dark_sea_green": 108,
+    "light_sky_blue3": 110,
+    "sky_blue2": 111,
+    "dark_sea_green3": 150,
+    "dark_slate_gray3": 116,
+    "sky_blue1": 117,
+    "chartreuse1": 118,
+    "light_green": 120,
+    "pale_green1": 156,
+    "dark_slate_gray1": 123,
+    "red3": 160,
+    "medium_violet_red": 126,
+    "magenta3": 164,
+    "dark_orange3": 166,
+    "indian_red": 167,
+    "hot_pink3": 168,
+    "medium_orchid3": 133,
+    "medium_orchid": 134,
+    "medium_purple2": 140,
+    "dark_goldenrod": 136,
+    "light_salmon3": 173,
+    "rosy_brown": 138,
+    "grey63": 139,
+    "gray63": 139,
+    "medium_purple1": 141,
+    "gold3": 178,
+    "dark_khaki": 143,
+    "navajo_white3": 144,
+    "grey69": 145,
+    "gray69": 145,
+    "light_steel_blue3": 146,
+    "light_steel_blue": 147,
+    "yellow3": 184,
+    "dark_sea_green2": 157,
+    "light_cyan3": 152,
+    "light_sky_blue1": 153,
+    "green_yellow": 154,
+    "dark_olive_green2": 155,
+    "dark_sea_green1": 193,
+    "pale_turquoise1": 159,
+    "deep_pink3": 162,
+    "magenta2": 200,
+    "hot_pink2": 169,
+    "orchid": 170,
+    "medium_orchid1": 207,
+    "orange3": 172,
+    "light_pink3": 174,
+    "pink3": 175,
+    "plum3": 176,
+    "violet": 177,
+    "light_goldenrod3": 179,
+    "tan": 180,
+    "misty_rose3": 181,
+    "thistle3": 182,
+    "plum2": 183,
+    "khaki3": 185,
+    "light_goldenrod2": 222,
+    "light_yellow3": 187,
+    "grey84": 188,
+    "gray84": 188,
+    "light_steel_blue1": 189,
+    "yellow2": 190,
+    "dark_olive_green1": 192,
+    "honeydew2": 194,
+    "light_cyan1": 195,
+    "red1": 196,
+    "deep_pink2": 197,
+    "deep_pink1": 199,
+    "magenta1": 201,
+    "orange_red1": 202,
+    "indian_red1": 204,
+    "hot_pink": 206,
+    "dark_orange": 208,
+    "salmon1": 209,
+    "light_coral": 210,
+    "pale_violet_red1": 211,
+    "orchid2": 212,
+    "orchid1": 213,
+    "orange1": 214,
+    "sandy_brown": 215,
+    "light_salmon1": 216,
+    "light_pink1": 217,
+    "pink1": 218,
+    "plum1": 219,
+    "gold1": 220,
+    "navajo_white1": 223,
+    "misty_rose1": 224,
+    "thistle1": 225,
+    "yellow1": 226,
+    "light_goldenrod1": 227,
+    "khaki1": 228,
+    "wheat1": 229,
+    "cornsilk1": 230,
+    "grey100": 231,
+    "gray100": 231,
+    "grey3": 232,
+    "gray3": 232,
+    "grey7": 233,
+    "gray7": 233,
+    "grey11": 234,
+    "gray11": 234,
+    "grey15": 235,
+    "gray15": 235,
+    "grey19": 236,
+    "gray19": 236,
+    "grey23": 237,
+    "gray23": 237,
+    "grey27": 238,
+    "gray27": 238,
+    "grey30": 239,
+    "gray30": 239,
+    "grey35": 240,
+    "gray35": 240,
+    "grey39": 241,
+    "gray39": 241,
+    "grey42": 242,
+    "gray42": 242,
+    "grey46": 243,
+    "gray46": 243,
+    "grey50": 244,
+    "gray50": 244,
+    "grey54": 245,
+    "gray54": 245,
+    "grey58": 246,
+    "gray58": 246,
+    "grey62": 247,
+    "gray62": 247,
+    "grey66": 248,
+    "gray66": 248,
+    "grey70": 249,
+    "gray70": 249,
+    "grey74": 250,
+    "gray74": 250,
+    "grey78": 251,
+    "gray78": 251,
+    "grey82": 252,
+    "gray82": 252,
+    "grey85": 253,
+    "gray85": 253,
+    "grey89": 254,
+    "gray89": 254,
+    "grey93": 255,
+    "gray93": 255,
+}
+
+
+class ColorParseError(Exception):
+    """The color could not be parsed."""
+
+
+RE_COLOR = re.compile(
+    r"""^
+\#([0-9a-f]{6})$|
+color\(([0-9]{1,3})\)$|
+rgb\(([\d\s,]+)\)$
+""",
+    re.VERBOSE,
+)
+
+
+@rich_repr
+class Color(NamedTuple):
+    """Terminal color definition."""
+
+    name: str
+    """The name of the color (typically the input to Color.parse)."""
+    type: ColorType
+    """The type of the color."""
+    number: Optional[int] = None
+    """The color number, if a standard color, or None."""
+    triplet: Optional[ColorTriplet] = None
+    """A triplet of color components, if an RGB color."""
+
+    def __rich__(self) -> "Text":
+        """Displays the actual color if Rich printed."""
+        from .style import Style
+        from .text import Text
+
+        return Text.assemble(
+            f"<color {self.name!r} ({self.type.name.lower()})",
+            ("⬤", Style(color=self)),
+            " >",
+        )
+
+    def __rich_repr__(self) -> Result:
+        yield self.name
+        yield self.type
+        yield "number", self.number, None
+        yield "triplet", self.triplet, None
+
+    @property
+    def system(self) -> ColorSystem:
+        """Get the native color system for this color."""
+        if self.type == ColorType.DEFAULT:
+            return ColorSystem.STANDARD
+        return ColorSystem(int(self.type))
+
+    @property
+    def is_system_defined(self) -> bool:
+        """Check if the color is ultimately defined by the system."""
+        return self.system not in (ColorSystem.EIGHT_BIT, ColorSystem.TRUECOLOR)
+
+    @property
+    def is_default(self) -> bool:
+        """Check if the color is a default color."""
+        return self.type == ColorType.DEFAULT
+
+    def get_truecolor(
+        self, theme: Optional["TerminalTheme"] = None, foreground: bool = True
+    ) -> ColorTriplet:
+        """Get an equivalent color triplet for this color.
+
+        Args:
+            theme (TerminalTheme, optional): Optional terminal theme, or None to use default. Defaults to None.
+            foreground (bool, optional): True for a foreground color, or False for background. Defaults to True.
+
+        Returns:
+            ColorTriplet: A color triplet containing RGB components.
+        """
+
+        if theme is None:
+            theme = DEFAULT_TERMINAL_THEME
+        if self.type == ColorType.TRUECOLOR:
+            assert self.triplet is not None
+            return self.triplet
+        elif self.type == ColorType.EIGHT_BIT:
+            assert self.number is not None
+            return EIGHT_BIT_PALETTE[self.number]
+        elif self.type == ColorType.STANDARD:
+            assert self.number is not None
+            return theme.ansi_colors[self.number]
+        elif self.type == ColorType.WINDOWS:
+            assert self.number is not None
+            return WINDOWS_PALETTE[self.number]
+        else:  # self.type == ColorType.DEFAULT:
+            assert self.number is None
+            return theme.foreground_color if foreground else theme.background_color
+
+    @classmethod
+    def from_ansi(cls, number: int) -> "Color":
+        """Create a Color number from it's 8-bit ansi number.
+
+        Args:
+            number (int): A number between 0-255 inclusive.
+
+        Returns:
+            Color: A new Color instance.
+        """
+        return cls(
+            name=f"color({number})",
+            type=(ColorType.STANDARD if number < 16 else ColorType.EIGHT_BIT),
+            number=number,
+        )
+
+    @classmethod
+    def from_triplet(cls, triplet: "ColorTriplet") -> "Color":
+        """Create a truecolor RGB color from a triplet of values.
+
+        Args:
+            triplet (ColorTriplet): A color triplet containing red, green and blue components.
+
+        Returns:
+            Color: A new color object.
+        """
+        return cls(name=triplet.hex, type=ColorType.TRUECOLOR, triplet=triplet)
+
+    @classmethod
+    def from_rgb(cls, red: float, green: float, blue: float) -> "Color":
+        """Create a truecolor from three color components in the range(0->255).
+
+        Args:
+            red (float): Red component in range 0-255.
+            green (float): Green component in range 0-255.
+            blue (float): Blue component in range 0-255.
+
+        Returns:
+            Color: A new color object.
+        """
+        return cls.from_triplet(ColorTriplet(int(red), int(green), int(blue)))
+
+    @classmethod
+    def default(cls) -> "Color":
+        """Get a Color instance representing the default color.
+
+        Returns:
+            Color: Default color.
+        """
+        return cls(name="default", type=ColorType.DEFAULT)
+
+    @classmethod
+    @lru_cache(maxsize=1024)
+    def parse(cls, color: str) -> "Color":
+        """Parse a color definition."""
+        original_color = color
+        color = color.lower().strip()
+
+        if color == "default":
+            return cls(color, type=ColorType.DEFAULT)
+
+        color_number = ANSI_COLOR_NAMES.get(color)
+        if color_number is not None:
+            return cls(
+                color,
+                type=(ColorType.STANDARD if color_number < 16 else ColorType.EIGHT_BIT),
+                number=color_number,
+            )
+
+        color_match = RE_COLOR.match(color)
+        if color_match is None:
+            raise ColorParseError(f"{original_color!r} is not a valid color")
+
+        color_24, color_8, color_rgb = color_match.groups()
+        if color_24:
+            triplet = ColorTriplet(
+                int(color_24[0:2], 16), int(color_24[2:4], 16), int(color_24[4:6], 16)
+            )
+            return cls(color, ColorType.TRUECOLOR, triplet=triplet)
+
+        elif color_8:
+            number = int(color_8)
+            if number > 255:
+                raise ColorParseError(f"color number must be <= 255 in {color!r}")
+            return cls(
+                color,
+                type=(ColorType.STANDARD if number < 16 else ColorType.EIGHT_BIT),
+                number=number,
+            )
+
+        else:  #  color_rgb:
+            components = color_rgb.split(",")
+            if len(components) != 3:
+                raise ColorParseError(
+                    f"expected three components in {original_color!r}"
+                )
+            red, green, blue = components
+            triplet = ColorTriplet(int(red), int(green), int(blue))
+            if not all(component <= 255 for component in triplet):
+                raise ColorParseError(
+                    f"color components must be <= 255 in {original_color!r}"
+                )
+            return cls(color, ColorType.TRUECOLOR, triplet=triplet)
+
+    @lru_cache(maxsize=1024)
+    def get_ansi_codes(self, foreground: bool = True) -> Tuple[str, ...]:
+        """Get the ANSI escape codes for this color."""
+        _type = self.type
+        if _type == ColorType.DEFAULT:
+            return ("39" if foreground else "49",)
+
+        elif _type == ColorType.WINDOWS:
+            number = self.number
+            assert number is not None
+            fore, back = (30, 40) if number < 8 else (82, 92)
+            return (str(fore + number if foreground else back + number),)
+
+        elif _type == ColorType.STANDARD:
+            number = self.number
+            assert number is not None
+            fore, back = (30, 40) if number < 8 else (82, 92)
+            return (str(fore + number if foreground else back + number),)
+
+        elif _type == ColorType.EIGHT_BIT:
+            assert self.number is not None
+            return ("38" if foreground else "48", "5", str(self.number))
+
+        else:  # self.standard == ColorStandard.TRUECOLOR:
+            assert self.triplet is not None
+            red, green, blue = self.triplet
+            return ("38" if foreground else "48", "2", str(red), str(green), str(blue))
+
+    @lru_cache(maxsize=1024)
+    def downgrade(self, system: ColorSystem) -> "Color":
+        """Downgrade a color system to a system with fewer colors."""
+
+        if self.type in (ColorType.DEFAULT, system):
+            return self
+        # Convert to 8-bit color from truecolor color
+        if system == ColorSystem.EIGHT_BIT and self.system == ColorSystem.TRUECOLOR:
+            assert self.triplet is not None
+            _h, l, s = rgb_to_hls(*self.triplet.normalized)
+            # If saturation is under 15% assume it is grayscale
+            if s < 0.15:
+                gray = round(l * 25.0)
+                if gray == 0:
+                    color_number = 16
+                elif gray == 25:
+                    color_number = 231
+                else:
+                    color_number = 231 + gray
+                return Color(self.name, ColorType.EIGHT_BIT, number=color_number)
+
+            red, green, blue = self.triplet
+            six_red = red / 95 if red < 95 else 1 + (red - 95) / 40
+            six_green = green / 95 if green < 95 else 1 + (green - 95) / 40
+            six_blue = blue / 95 if blue < 95 else 1 + (blue - 95) / 40
+
+            color_number = (
+                16 + 36 * round(six_red) + 6 * round(six_green) + round(six_blue)
+            )
+            return Color(self.name, ColorType.EIGHT_BIT, number=color_number)
+
+        # Convert to standard from truecolor or 8-bit
+        elif system == ColorSystem.STANDARD:
+            if self.system == ColorSystem.TRUECOLOR:
+                assert self.triplet is not None
+                triplet = self.triplet
+            else:  # self.system == ColorSystem.EIGHT_BIT
+                assert self.number is not None
+                triplet = ColorTriplet(*EIGHT_BIT_PALETTE[self.number])
+
+            color_number = STANDARD_PALETTE.match(triplet)
+            return Color(self.name, ColorType.STANDARD, number=color_number)
+
+        elif system == ColorSystem.WINDOWS:
+            if self.system == ColorSystem.TRUECOLOR:
+                assert self.triplet is not None
+                triplet = self.triplet
+            else:  # self.system == ColorSystem.EIGHT_BIT
+                assert self.number is not None
+                if self.number < 16:
+                    return Color(self.name, ColorType.WINDOWS, number=self.number)
+                triplet = ColorTriplet(*EIGHT_BIT_PALETTE[self.number])
+
+            color_number = WINDOWS_PALETTE.match(triplet)
+            return Color(self.name, ColorType.WINDOWS, number=color_number)
+
+        return self
+
+
+def parse_rgb_hex(hex_color: str) -> ColorTriplet:
+    """Parse six hex characters in to RGB triplet."""
+    assert len(hex_color) == 6, "must be 6 characters"
+    color = ColorTriplet(
+        int(hex_color[0:2], 16), int(hex_color[2:4], 16), int(hex_color[4:6], 16)
+    )
+    return color
+
+
+def blend_rgb(
+    color1: ColorTriplet, color2: ColorTriplet, cross_fade: float = 0.5
+) -> ColorTriplet:
+    """Blend one RGB color in to another."""
+    r1, g1, b1 = color1
+    r2, g2, b2 = color2
+    new_color = ColorTriplet(
+        int(r1 + (r2 - r1) * cross_fade),
+        int(g1 + (g2 - g1) * cross_fade),
+        int(b1 + (b2 - b1) * cross_fade),
+    )
+    return new_color
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from .console import Console
+    from .table import Table
+    from .text import Text
+
+    console = Console()
+
+    table = Table(show_footer=False, show_edge=True)
+    table.add_column("Color", width=10, overflow="ellipsis")
+    table.add_column("Number", justify="right", style="yellow")
+    table.add_column("Name", style="green")
+    table.add_column("Hex", style="blue")
+    table.add_column("RGB", style="magenta")
+
+    colors = sorted((v, k) for k, v in ANSI_COLOR_NAMES.items())
+    for color_number, name in colors:
+        if "grey" in name:
+            continue
+        color_cell = Text(" " * 10, style=f"on {name}")
+        if color_number < 16:
+            table.add_row(color_cell, f"{color_number}", Text(f'"{name}"'))
+        else:
+            color = EIGHT_BIT_PALETTE[color_number]  # type: ignore[has-type]
+            table.add_row(
+                color_cell, str(color_number), Text(f'"{name}"'), color.hex, color.rgb
+            )
+
+    console.print(table)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/color_triplet.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/color_triplet.py
new file mode 100644
index 00000000..02cab328
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/color_triplet.py
@@ -0,0 +1,38 @@
+from typing import NamedTuple, Tuple
+
+
+class ColorTriplet(NamedTuple):
+    """The red, green, and blue components of a color."""
+
+    red: int
+    """Red component in 0 to 255 range."""
+    green: int
+    """Green component in 0 to 255 range."""
+    blue: int
+    """Blue component in 0 to 255 range."""
+
+    @property
+    def hex(self) -> str:
+        """get the color triplet in CSS style."""
+        red, green, blue = self
+        return f"#{red:02x}{green:02x}{blue:02x}"
+
+    @property
+    def rgb(self) -> str:
+        """The color in RGB format.
+
+        Returns:
+            str: An rgb color, e.g. ``"rgb(100,23,255)"``.
+        """
+        red, green, blue = self
+        return f"rgb({red},{green},{blue})"
+
+    @property
+    def normalized(self) -> Tuple[float, float, float]:
+        """Convert components into floats between 0 and 1.
+
+        Returns:
+            Tuple[float, float, float]: A tuple of three normalized colour components.
+        """
+        red, green, blue = self
+        return red / 255.0, green / 255.0, blue / 255.0
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/columns.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/columns.py
new file mode 100644
index 00000000..669a3a70
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/columns.py
@@ -0,0 +1,187 @@
+from collections import defaultdict
+from itertools import chain
+from operator import itemgetter
+from typing import Dict, Iterable, List, Optional, Tuple
+
+from .align import Align, AlignMethod
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .constrain import Constrain
+from .measure import Measurement
+from .padding import Padding, PaddingDimensions
+from .table import Table
+from .text import TextType
+from .jupyter import JupyterMixin
+
+
+class Columns(JupyterMixin):
+    """Display renderables in neat columns.
+
+    Args:
+        renderables (Iterable[RenderableType]): Any number of Rich renderables (including str).
+        width (int, optional): The desired width of the columns, or None to auto detect. Defaults to None.
+        padding (PaddingDimensions, optional): Optional padding around cells. Defaults to (0, 1).
+        expand (bool, optional): Expand columns to full width. Defaults to False.
+        equal (bool, optional): Arrange in to equal sized columns. Defaults to False.
+        column_first (bool, optional): Align items from top to bottom (rather than left to right). Defaults to False.
+        right_to_left (bool, optional): Start column from right hand side. Defaults to False.
+        align (str, optional): Align value ("left", "right", or "center") or None for default. Defaults to None.
+        title (TextType, optional): Optional title for Columns.
+    """
+
+    def __init__(
+        self,
+        renderables: Optional[Iterable[RenderableType]] = None,
+        padding: PaddingDimensions = (0, 1),
+        *,
+        width: Optional[int] = None,
+        expand: bool = False,
+        equal: bool = False,
+        column_first: bool = False,
+        right_to_left: bool = False,
+        align: Optional[AlignMethod] = None,
+        title: Optional[TextType] = None,
+    ) -> None:
+        self.renderables = list(renderables or [])
+        self.width = width
+        self.padding = padding
+        self.expand = expand
+        self.equal = equal
+        self.column_first = column_first
+        self.right_to_left = right_to_left
+        self.align: Optional[AlignMethod] = align
+        self.title = title
+
+    def add_renderable(self, renderable: RenderableType) -> None:
+        """Add a renderable to the columns.
+
+        Args:
+            renderable (RenderableType): Any renderable object.
+        """
+        self.renderables.append(renderable)
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        render_str = console.render_str
+        renderables = [
+            render_str(renderable) if isinstance(renderable, str) else renderable
+            for renderable in self.renderables
+        ]
+        if not renderables:
+            return
+        _top, right, _bottom, left = Padding.unpack(self.padding)
+        width_padding = max(left, right)
+        max_width = options.max_width
+        widths: Dict[int, int] = defaultdict(int)
+        column_count = len(renderables)
+
+        get_measurement = Measurement.get
+        renderable_widths = [
+            get_measurement(console, options, renderable).maximum
+            for renderable in renderables
+        ]
+        if self.equal:
+            renderable_widths = [max(renderable_widths)] * len(renderable_widths)
+
+        def iter_renderables(
+            column_count: int,
+        ) -> Iterable[Tuple[int, Optional[RenderableType]]]:
+            item_count = len(renderables)
+            if self.column_first:
+                width_renderables = list(zip(renderable_widths, renderables))
+
+                column_lengths: List[int] = [item_count // column_count] * column_count
+                for col_no in range(item_count % column_count):
+                    column_lengths[col_no] += 1
+
+                row_count = (item_count + column_count - 1) // column_count
+                cells = [[-1] * column_count for _ in range(row_count)]
+                row = col = 0
+                for index in range(item_count):
+                    cells[row][col] = index
+                    column_lengths[col] -= 1
+                    if column_lengths[col]:
+                        row += 1
+                    else:
+                        col += 1
+                        row = 0
+                for index in chain.from_iterable(cells):
+                    if index == -1:
+                        break
+                    yield width_renderables[index]
+            else:
+                yield from zip(renderable_widths, renderables)
+            # Pad odd elements with spaces
+            if item_count % column_count:
+                for _ in range(column_count - (item_count % column_count)):
+                    yield 0, None
+
+        table = Table.grid(padding=self.padding, collapse_padding=True, pad_edge=False)
+        table.expand = self.expand
+        table.title = self.title
+
+        if self.width is not None:
+            column_count = (max_width) // (self.width + width_padding)
+            for _ in range(column_count):
+                table.add_column(width=self.width)
+        else:
+            while column_count > 1:
+                widths.clear()
+                column_no = 0
+                for renderable_width, _ in iter_renderables(column_count):
+                    widths[column_no] = max(widths[column_no], renderable_width)
+                    total_width = sum(widths.values()) + width_padding * (
+                        len(widths) - 1
+                    )
+                    if total_width > max_width:
+                        column_count = len(widths) - 1
+                        break
+                    else:
+                        column_no = (column_no + 1) % column_count
+                else:
+                    break
+
+        get_renderable = itemgetter(1)
+        _renderables = [
+            get_renderable(_renderable)
+            for _renderable in iter_renderables(column_count)
+        ]
+        if self.equal:
+            _renderables = [
+                None
+                if renderable is None
+                else Constrain(renderable, renderable_widths[0])
+                for renderable in _renderables
+            ]
+        if self.align:
+            align = self.align
+            _Align = Align
+            _renderables = [
+                None if renderable is None else _Align(renderable, align)
+                for renderable in _renderables
+            ]
+
+        right_to_left = self.right_to_left
+        add_row = table.add_row
+        for start in range(0, len(_renderables), column_count):
+            row = _renderables[start : start + column_count]
+            if right_to_left:
+                row = row[::-1]
+            add_row(*row)
+        yield table
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import os
+
+    console = Console()
+
+    files = [f"{i} {s}" for i, s in enumerate(sorted(os.listdir()))]
+    columns = Columns(files, padding=(0, 1), expand=False, equal=False)
+    console.print(columns)
+    console.rule()
+    columns.column_first = True
+    console.print(columns)
+    columns.right_to_left = True
+    console.rule()
+    console.print(columns)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/console.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/console.py
new file mode 100644
index 00000000..e559cbb4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/console.py
@@ -0,0 +1,2633 @@
+import inspect
+import os
+import platform
+import sys
+import threading
+import zlib
+from abc import ABC, abstractmethod
+from dataclasses import dataclass, field
+from datetime import datetime
+from functools import wraps
+from getpass import getpass
+from html import escape
+from inspect import isclass
+from itertools import islice
+from math import ceil
+from time import monotonic
+from types import FrameType, ModuleType, TracebackType
+from typing import (
+    IO,
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    Mapping,
+    NamedTuple,
+    Optional,
+    TextIO,
+    Tuple,
+    Type,
+    Union,
+    cast,
+)
+
+from pip._vendor.rich._null_file import NULL_FILE
+
+if sys.version_info >= (3, 8):
+    from typing import Literal, Protocol, runtime_checkable
+else:
+    from pip._vendor.typing_extensions import (
+        Literal,
+        Protocol,
+        runtime_checkable,
+    )  # pragma: no cover
+
+from . import errors, themes
+from ._emoji_replace import _emoji_replace
+from ._export_format import CONSOLE_HTML_FORMAT, CONSOLE_SVG_FORMAT
+from ._fileno import get_fileno
+from ._log_render import FormatTimeCallable, LogRender
+from .align import Align, AlignMethod
+from .color import ColorSystem, blend_rgb
+from .control import Control
+from .emoji import EmojiVariant
+from .highlighter import NullHighlighter, ReprHighlighter
+from .markup import render as render_markup
+from .measure import Measurement, measure_renderables
+from .pager import Pager, SystemPager
+from .pretty import Pretty, is_expandable
+from .protocol import rich_cast
+from .region import Region
+from .scope import render_scope
+from .screen import Screen
+from .segment import Segment
+from .style import Style, StyleType
+from .styled import Styled
+from .terminal_theme import DEFAULT_TERMINAL_THEME, SVG_EXPORT_THEME, TerminalTheme
+from .text import Text, TextType
+from .theme import Theme, ThemeStack
+
+if TYPE_CHECKING:
+    from ._windows import WindowsConsoleFeatures
+    from .live import Live
+    from .status import Status
+
+JUPYTER_DEFAULT_COLUMNS = 115
+JUPYTER_DEFAULT_LINES = 100
+WINDOWS = platform.system() == "Windows"
+
+HighlighterType = Callable[[Union[str, "Text"]], "Text"]
+JustifyMethod = Literal["default", "left", "center", "right", "full"]
+OverflowMethod = Literal["fold", "crop", "ellipsis", "ignore"]
+
+
+class NoChange:
+    pass
+
+
+NO_CHANGE = NoChange()
+
+try:
+    _STDIN_FILENO = sys.__stdin__.fileno()
+except Exception:
+    _STDIN_FILENO = 0
+try:
+    _STDOUT_FILENO = sys.__stdout__.fileno()
+except Exception:
+    _STDOUT_FILENO = 1
+try:
+    _STDERR_FILENO = sys.__stderr__.fileno()
+except Exception:
+    _STDERR_FILENO = 2
+
+_STD_STREAMS = (_STDIN_FILENO, _STDOUT_FILENO, _STDERR_FILENO)
+_STD_STREAMS_OUTPUT = (_STDOUT_FILENO, _STDERR_FILENO)
+
+
+_TERM_COLORS = {
+    "kitty": ColorSystem.EIGHT_BIT,
+    "256color": ColorSystem.EIGHT_BIT,
+    "16color": ColorSystem.STANDARD,
+}
+
+
+class ConsoleDimensions(NamedTuple):
+    """Size of the terminal."""
+
+    width: int
+    """The width of the console in 'cells'."""
+    height: int
+    """The height of the console in lines."""
+
+
+@dataclass
+class ConsoleOptions:
+    """Options for __rich_console__ method."""
+
+    size: ConsoleDimensions
+    """Size of console."""
+    legacy_windows: bool
+    """legacy_windows: flag for legacy windows."""
+    min_width: int
+    """Minimum width of renderable."""
+    max_width: int
+    """Maximum width of renderable."""
+    is_terminal: bool
+    """True if the target is a terminal, otherwise False."""
+    encoding: str
+    """Encoding of terminal."""
+    max_height: int
+    """Height of container (starts as terminal)"""
+    justify: Optional[JustifyMethod] = None
+    """Justify value override for renderable."""
+    overflow: Optional[OverflowMethod] = None
+    """Overflow value override for renderable."""
+    no_wrap: Optional[bool] = False
+    """Disable wrapping for text."""
+    highlight: Optional[bool] = None
+    """Highlight override for render_str."""
+    markup: Optional[bool] = None
+    """Enable markup when rendering strings."""
+    height: Optional[int] = None
+
+    @property
+    def ascii_only(self) -> bool:
+        """Check if renderables should use ascii only."""
+        return not self.encoding.startswith("utf")
+
+    def copy(self) -> "ConsoleOptions":
+        """Return a copy of the options.
+
+        Returns:
+            ConsoleOptions: a copy of self.
+        """
+        options: ConsoleOptions = ConsoleOptions.__new__(ConsoleOptions)
+        options.__dict__ = self.__dict__.copy()
+        return options
+
+    def update(
+        self,
+        *,
+        width: Union[int, NoChange] = NO_CHANGE,
+        min_width: Union[int, NoChange] = NO_CHANGE,
+        max_width: Union[int, NoChange] = NO_CHANGE,
+        justify: Union[Optional[JustifyMethod], NoChange] = NO_CHANGE,
+        overflow: Union[Optional[OverflowMethod], NoChange] = NO_CHANGE,
+        no_wrap: Union[Optional[bool], NoChange] = NO_CHANGE,
+        highlight: Union[Optional[bool], NoChange] = NO_CHANGE,
+        markup: Union[Optional[bool], NoChange] = NO_CHANGE,
+        height: Union[Optional[int], NoChange] = NO_CHANGE,
+    ) -> "ConsoleOptions":
+        """Update values, return a copy."""
+        options = self.copy()
+        if not isinstance(width, NoChange):
+            options.min_width = options.max_width = max(0, width)
+        if not isinstance(min_width, NoChange):
+            options.min_width = min_width
+        if not isinstance(max_width, NoChange):
+            options.max_width = max_width
+        if not isinstance(justify, NoChange):
+            options.justify = justify
+        if not isinstance(overflow, NoChange):
+            options.overflow = overflow
+        if not isinstance(no_wrap, NoChange):
+            options.no_wrap = no_wrap
+        if not isinstance(highlight, NoChange):
+            options.highlight = highlight
+        if not isinstance(markup, NoChange):
+            options.markup = markup
+        if not isinstance(height, NoChange):
+            if height is not None:
+                options.max_height = height
+            options.height = None if height is None else max(0, height)
+        return options
+
+    def update_width(self, width: int) -> "ConsoleOptions":
+        """Update just the width, return a copy.
+
+        Args:
+            width (int): New width (sets both min_width and max_width)
+
+        Returns:
+            ~ConsoleOptions: New console options instance.
+        """
+        options = self.copy()
+        options.min_width = options.max_width = max(0, width)
+        return options
+
+    def update_height(self, height: int) -> "ConsoleOptions":
+        """Update the height, and return a copy.
+
+        Args:
+            height (int): New height
+
+        Returns:
+            ~ConsoleOptions: New Console options instance.
+        """
+        options = self.copy()
+        options.max_height = options.height = height
+        return options
+
+    def reset_height(self) -> "ConsoleOptions":
+        """Return a copy of the options with height set to ``None``.
+
+        Returns:
+            ~ConsoleOptions: New console options instance.
+        """
+        options = self.copy()
+        options.height = None
+        return options
+
+    def update_dimensions(self, width: int, height: int) -> "ConsoleOptions":
+        """Update the width and height, and return a copy.
+
+        Args:
+            width (int): New width (sets both min_width and max_width).
+            height (int): New height.
+
+        Returns:
+            ~ConsoleOptions: New console options instance.
+        """
+        options = self.copy()
+        options.min_width = options.max_width = max(0, width)
+        options.height = options.max_height = height
+        return options
+
+
+@runtime_checkable
+class RichCast(Protocol):
+    """An object that may be 'cast' to a console renderable."""
+
+    def __rich__(
+        self,
+    ) -> Union["ConsoleRenderable", "RichCast", str]:  # pragma: no cover
+        ...
+
+
+@runtime_checkable
+class ConsoleRenderable(Protocol):
+    """An object that supports the console protocol."""
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":  # pragma: no cover
+        ...
+
+
+# A type that may be rendered by Console.
+RenderableType = Union[ConsoleRenderable, RichCast, str]
+
+# The result of calling a __rich_console__ method.
+RenderResult = Iterable[Union[RenderableType, Segment]]
+
+_null_highlighter = NullHighlighter()
+
+
+class CaptureError(Exception):
+    """An error in the Capture context manager."""
+
+
+class NewLine:
+    """A renderable to generate new line(s)"""
+
+    def __init__(self, count: int = 1) -> None:
+        self.count = count
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Iterable[Segment]:
+        yield Segment("\n" * self.count)
+
+
+class ScreenUpdate:
+    """Render a list of lines at a given offset."""
+
+    def __init__(self, lines: List[List[Segment]], x: int, y: int) -> None:
+        self._lines = lines
+        self.x = x
+        self.y = y
+
+    def __rich_console__(
+        self, console: "Console", options: ConsoleOptions
+    ) -> RenderResult:
+        x = self.x
+        move_to = Control.move_to
+        for offset, line in enumerate(self._lines, self.y):
+            yield move_to(x, offset)
+            yield from line
+
+
+class Capture:
+    """Context manager to capture the result of printing to the console.
+    See :meth:`~rich.console.Console.capture` for how to use.
+
+    Args:
+        console (Console): A console instance to capture output.
+    """
+
+    def __init__(self, console: "Console") -> None:
+        self._console = console
+        self._result: Optional[str] = None
+
+    def __enter__(self) -> "Capture":
+        self._console.begin_capture()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self._result = self._console.end_capture()
+
+    def get(self) -> str:
+        """Get the result of the capture."""
+        if self._result is None:
+            raise CaptureError(
+                "Capture result is not available until context manager exits."
+            )
+        return self._result
+
+
+class ThemeContext:
+    """A context manager to use a temporary theme. See :meth:`~rich.console.Console.use_theme` for usage."""
+
+    def __init__(self, console: "Console", theme: Theme, inherit: bool = True) -> None:
+        self.console = console
+        self.theme = theme
+        self.inherit = inherit
+
+    def __enter__(self) -> "ThemeContext":
+        self.console.push_theme(self.theme)
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.console.pop_theme()
+
+
+class PagerContext:
+    """A context manager that 'pages' content. See :meth:`~rich.console.Console.pager` for usage."""
+
+    def __init__(
+        self,
+        console: "Console",
+        pager: Optional[Pager] = None,
+        styles: bool = False,
+        links: bool = False,
+    ) -> None:
+        self._console = console
+        self.pager = SystemPager() if pager is None else pager
+        self.styles = styles
+        self.links = links
+
+    def __enter__(self) -> "PagerContext":
+        self._console._enter_buffer()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        if exc_type is None:
+            with self._console._lock:
+                buffer: List[Segment] = self._console._buffer[:]
+                del self._console._buffer[:]
+                segments: Iterable[Segment] = buffer
+                if not self.styles:
+                    segments = Segment.strip_styles(segments)
+                elif not self.links:
+                    segments = Segment.strip_links(segments)
+                content = self._console._render_buffer(segments)
+            self.pager.show(content)
+        self._console._exit_buffer()
+
+
+class ScreenContext:
+    """A context manager that enables an alternative screen. See :meth:`~rich.console.Console.screen` for usage."""
+
+    def __init__(
+        self, console: "Console", hide_cursor: bool, style: StyleType = ""
+    ) -> None:
+        self.console = console
+        self.hide_cursor = hide_cursor
+        self.screen = Screen(style=style)
+        self._changed = False
+
+    def update(
+        self, *renderables: RenderableType, style: Optional[StyleType] = None
+    ) -> None:
+        """Update the screen.
+
+        Args:
+            renderable (RenderableType, optional): Optional renderable to replace current renderable,
+                or None for no change. Defaults to None.
+            style: (Style, optional): Replacement style, or None for no change. Defaults to None.
+        """
+        if renderables:
+            self.screen.renderable = (
+                Group(*renderables) if len(renderables) > 1 else renderables[0]
+            )
+        if style is not None:
+            self.screen.style = style
+        self.console.print(self.screen, end="")
+
+    def __enter__(self) -> "ScreenContext":
+        self._changed = self.console.set_alt_screen(True)
+        if self._changed and self.hide_cursor:
+            self.console.show_cursor(False)
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        if self._changed:
+            self.console.set_alt_screen(False)
+            if self.hide_cursor:
+                self.console.show_cursor(True)
+
+
+class Group:
+    """Takes a group of renderables and returns a renderable object that renders the group.
+
+    Args:
+        renderables (Iterable[RenderableType]): An iterable of renderable objects.
+        fit (bool, optional): Fit dimension of group to contents, or fill available space. Defaults to True.
+    """
+
+    def __init__(self, *renderables: "RenderableType", fit: bool = True) -> None:
+        self._renderables = renderables
+        self.fit = fit
+        self._render: Optional[List[RenderableType]] = None
+
+    @property
+    def renderables(self) -> List["RenderableType"]:
+        if self._render is None:
+            self._render = list(self._renderables)
+        return self._render
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        if self.fit:
+            return measure_renderables(console, options, self.renderables)
+        else:
+            return Measurement(options.max_width, options.max_width)
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> RenderResult:
+        yield from self.renderables
+
+
+def group(fit: bool = True) -> Callable[..., Callable[..., Group]]:
+    """A decorator that turns an iterable of renderables in to a group.
+
+    Args:
+        fit (bool, optional): Fit dimension of group to contents, or fill available space. Defaults to True.
+    """
+
+    def decorator(
+        method: Callable[..., Iterable[RenderableType]]
+    ) -> Callable[..., Group]:
+        """Convert a method that returns an iterable of renderables in to a Group."""
+
+        @wraps(method)
+        def _replace(*args: Any, **kwargs: Any) -> Group:
+            renderables = method(*args, **kwargs)
+            return Group(*renderables, fit=fit)
+
+        return _replace
+
+    return decorator
+
+
+def _is_jupyter() -> bool:  # pragma: no cover
+    """Check if we're running in a Jupyter notebook."""
+    try:
+        get_ipython  # type: ignore[name-defined]
+    except NameError:
+        return False
+    ipython = get_ipython()  # type: ignore[name-defined]
+    shell = ipython.__class__.__name__
+    if (
+        "google.colab" in str(ipython.__class__)
+        or os.getenv("DATABRICKS_RUNTIME_VERSION")
+        or shell == "ZMQInteractiveShell"
+    ):
+        return True  # Jupyter notebook or qtconsole
+    elif shell == "TerminalInteractiveShell":
+        return False  # Terminal running IPython
+    else:
+        return False  # Other type (?)
+
+
+COLOR_SYSTEMS = {
+    "standard": ColorSystem.STANDARD,
+    "256": ColorSystem.EIGHT_BIT,
+    "truecolor": ColorSystem.TRUECOLOR,
+    "windows": ColorSystem.WINDOWS,
+}
+
+_COLOR_SYSTEMS_NAMES = {system: name for name, system in COLOR_SYSTEMS.items()}
+
+
+@dataclass
+class ConsoleThreadLocals(threading.local):
+    """Thread local values for Console context."""
+
+    theme_stack: ThemeStack
+    buffer: List[Segment] = field(default_factory=list)
+    buffer_index: int = 0
+
+
+class RenderHook(ABC):
+    """Provides hooks in to the render process."""
+
+    @abstractmethod
+    def process_renderables(
+        self, renderables: List[ConsoleRenderable]
+    ) -> List[ConsoleRenderable]:
+        """Called with a list of objects to render.
+
+        This method can return a new list of renderables, or modify and return the same list.
+
+        Args:
+            renderables (List[ConsoleRenderable]): A number of renderable objects.
+
+        Returns:
+            List[ConsoleRenderable]: A replacement list of renderables.
+        """
+
+
+_windows_console_features: Optional["WindowsConsoleFeatures"] = None
+
+
+def get_windows_console_features() -> "WindowsConsoleFeatures":  # pragma: no cover
+    global _windows_console_features
+    if _windows_console_features is not None:
+        return _windows_console_features
+    from ._windows import get_windows_console_features
+
+    _windows_console_features = get_windows_console_features()
+    return _windows_console_features
+
+
+def detect_legacy_windows() -> bool:
+    """Detect legacy Windows."""
+    return WINDOWS and not get_windows_console_features().vt
+
+
+class Console:
+    """A high level console interface.
+
+    Args:
+        color_system (str, optional): The color system supported by your terminal,
+            either ``"standard"``, ``"256"`` or ``"truecolor"``. Leave as ``"auto"`` to autodetect.
+        force_terminal (Optional[bool], optional): Enable/disable terminal control codes, or None to auto-detect terminal. Defaults to None.
+        force_jupyter (Optional[bool], optional): Enable/disable Jupyter rendering, or None to auto-detect Jupyter. Defaults to None.
+        force_interactive (Optional[bool], optional): Enable/disable interactive mode, or None to auto detect. Defaults to None.
+        soft_wrap (Optional[bool], optional): Set soft wrap default on print method. Defaults to False.
+        theme (Theme, optional): An optional style theme object, or ``None`` for default theme.
+        stderr (bool, optional): Use stderr rather than stdout if ``file`` is not specified. Defaults to False.
+        file (IO, optional): A file object where the console should write to. Defaults to stdout.
+        quiet (bool, Optional): Boolean to suppress all output. Defaults to False.
+        width (int, optional): The width of the terminal. Leave as default to auto-detect width.
+        height (int, optional): The height of the terminal. Leave as default to auto-detect height.
+        style (StyleType, optional): Style to apply to all output, or None for no style. Defaults to None.
+        no_color (Optional[bool], optional): Enabled no color mode, or None to auto detect. Defaults to None.
+        tab_size (int, optional): Number of spaces used to replace a tab character. Defaults to 8.
+        record (bool, optional): Boolean to enable recording of terminal output,
+            required to call :meth:`export_html`, :meth:`export_svg`, and :meth:`export_text`. Defaults to False.
+        markup (bool, optional): Boolean to enable :ref:`console_markup`. Defaults to True.
+        emoji (bool, optional): Enable emoji code. Defaults to True.
+        emoji_variant (str, optional): Optional emoji variant, either "text" or "emoji". Defaults to None.
+        highlight (bool, optional): Enable automatic highlighting. Defaults to True.
+        log_time (bool, optional): Boolean to enable logging of time by :meth:`log` methods. Defaults to True.
+        log_path (bool, optional): Boolean to enable the logging of the caller by :meth:`log`. Defaults to True.
+        log_time_format (Union[str, TimeFormatterCallable], optional): If ``log_time`` is enabled, either string for strftime or callable that formats the time. Defaults to "[%X] ".
+        highlighter (HighlighterType, optional): Default highlighter.
+        legacy_windows (bool, optional): Enable legacy Windows mode, or ``None`` to auto detect. Defaults to ``None``.
+        safe_box (bool, optional): Restrict box options that don't render on legacy Windows.
+        get_datetime (Callable[[], datetime], optional): Callable that gets the current time as a datetime.datetime object (used by Console.log),
+            or None for datetime.now.
+        get_time (Callable[[], time], optional): Callable that gets the current time in seconds, default uses time.monotonic.
+    """
+
+    _environ: Mapping[str, str] = os.environ
+
+    def __init__(
+        self,
+        *,
+        color_system: Optional[
+            Literal["auto", "standard", "256", "truecolor", "windows"]
+        ] = "auto",
+        force_terminal: Optional[bool] = None,
+        force_jupyter: Optional[bool] = None,
+        force_interactive: Optional[bool] = None,
+        soft_wrap: bool = False,
+        theme: Optional[Theme] = None,
+        stderr: bool = False,
+        file: Optional[IO[str]] = None,
+        quiet: bool = False,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+        style: Optional[StyleType] = None,
+        no_color: Optional[bool] = None,
+        tab_size: int = 8,
+        record: bool = False,
+        markup: bool = True,
+        emoji: bool = True,
+        emoji_variant: Optional[EmojiVariant] = None,
+        highlight: bool = True,
+        log_time: bool = True,
+        log_path: bool = True,
+        log_time_format: Union[str, FormatTimeCallable] = "[%X]",
+        highlighter: Optional["HighlighterType"] = ReprHighlighter(),
+        legacy_windows: Optional[bool] = None,
+        safe_box: bool = True,
+        get_datetime: Optional[Callable[[], datetime]] = None,
+        get_time: Optional[Callable[[], float]] = None,
+        _environ: Optional[Mapping[str, str]] = None,
+    ):
+        # Copy of os.environ allows us to replace it for testing
+        if _environ is not None:
+            self._environ = _environ
+
+        self.is_jupyter = _is_jupyter() if force_jupyter is None else force_jupyter
+        if self.is_jupyter:
+            if width is None:
+                jupyter_columns = self._environ.get("JUPYTER_COLUMNS")
+                if jupyter_columns is not None and jupyter_columns.isdigit():
+                    width = int(jupyter_columns)
+                else:
+                    width = JUPYTER_DEFAULT_COLUMNS
+            if height is None:
+                jupyter_lines = self._environ.get("JUPYTER_LINES")
+                if jupyter_lines is not None and jupyter_lines.isdigit():
+                    height = int(jupyter_lines)
+                else:
+                    height = JUPYTER_DEFAULT_LINES
+
+        self.tab_size = tab_size
+        self.record = record
+        self._markup = markup
+        self._emoji = emoji
+        self._emoji_variant: Optional[EmojiVariant] = emoji_variant
+        self._highlight = highlight
+        self.legacy_windows: bool = (
+            (detect_legacy_windows() and not self.is_jupyter)
+            if legacy_windows is None
+            else legacy_windows
+        )
+
+        if width is None:
+            columns = self._environ.get("COLUMNS")
+            if columns is not None and columns.isdigit():
+                width = int(columns) - self.legacy_windows
+        if height is None:
+            lines = self._environ.get("LINES")
+            if lines is not None and lines.isdigit():
+                height = int(lines)
+
+        self.soft_wrap = soft_wrap
+        self._width = width
+        self._height = height
+
+        self._color_system: Optional[ColorSystem]
+
+        self._force_terminal = None
+        if force_terminal is not None:
+            self._force_terminal = force_terminal
+
+        self._file = file
+        self.quiet = quiet
+        self.stderr = stderr
+
+        if color_system is None:
+            self._color_system = None
+        elif color_system == "auto":
+            self._color_system = self._detect_color_system()
+        else:
+            self._color_system = COLOR_SYSTEMS[color_system]
+
+        self._lock = threading.RLock()
+        self._log_render = LogRender(
+            show_time=log_time,
+            show_path=log_path,
+            time_format=log_time_format,
+        )
+        self.highlighter: HighlighterType = highlighter or _null_highlighter
+        self.safe_box = safe_box
+        self.get_datetime = get_datetime or datetime.now
+        self.get_time = get_time or monotonic
+        self.style = style
+        self.no_color = (
+            no_color if no_color is not None else "NO_COLOR" in self._environ
+        )
+        self.is_interactive = (
+            (self.is_terminal and not self.is_dumb_terminal)
+            if force_interactive is None
+            else force_interactive
+        )
+
+        self._record_buffer_lock = threading.RLock()
+        self._thread_locals = ConsoleThreadLocals(
+            theme_stack=ThemeStack(themes.DEFAULT if theme is None else theme)
+        )
+        self._record_buffer: List[Segment] = []
+        self._render_hooks: List[RenderHook] = []
+        self._live: Optional["Live"] = None
+        self._is_alt_screen = False
+
+    def __repr__(self) -> str:
+        return f"<console width={self.width} {self._color_system!s}>"
+
+    @property
+    def file(self) -> IO[str]:
+        """Get the file object to write to."""
+        file = self._file or (sys.stderr if self.stderr else sys.stdout)
+        file = getattr(file, "rich_proxied_file", file)
+        if file is None:
+            file = NULL_FILE
+        return file
+
+    @file.setter
+    def file(self, new_file: IO[str]) -> None:
+        """Set a new file object."""
+        self._file = new_file
+
+    @property
+    def _buffer(self) -> List[Segment]:
+        """Get a thread local buffer."""
+        return self._thread_locals.buffer
+
+    @property
+    def _buffer_index(self) -> int:
+        """Get a thread local buffer."""
+        return self._thread_locals.buffer_index
+
+    @_buffer_index.setter
+    def _buffer_index(self, value: int) -> None:
+        self._thread_locals.buffer_index = value
+
+    @property
+    def _theme_stack(self) -> ThemeStack:
+        """Get the thread local theme stack."""
+        return self._thread_locals.theme_stack
+
+    def _detect_color_system(self) -> Optional[ColorSystem]:
+        """Detect color system from env vars."""
+        if self.is_jupyter:
+            return ColorSystem.TRUECOLOR
+        if not self.is_terminal or self.is_dumb_terminal:
+            return None
+        if WINDOWS:  # pragma: no cover
+            if self.legacy_windows:  # pragma: no cover
+                return ColorSystem.WINDOWS
+            windows_console_features = get_windows_console_features()
+            return (
+                ColorSystem.TRUECOLOR
+                if windows_console_features.truecolor
+                else ColorSystem.EIGHT_BIT
+            )
+        else:
+            color_term = self._environ.get("COLORTERM", "").strip().lower()
+            if color_term in ("truecolor", "24bit"):
+                return ColorSystem.TRUECOLOR
+            term = self._environ.get("TERM", "").strip().lower()
+            _term_name, _hyphen, colors = term.rpartition("-")
+            color_system = _TERM_COLORS.get(colors, ColorSystem.STANDARD)
+            return color_system
+
+    def _enter_buffer(self) -> None:
+        """Enter in to a buffer context, and buffer all output."""
+        self._buffer_index += 1
+
+    def _exit_buffer(self) -> None:
+        """Leave buffer context, and render content if required."""
+        self._buffer_index -= 1
+        self._check_buffer()
+
+    def set_live(self, live: "Live") -> None:
+        """Set Live instance. Used by Live context manager.
+
+        Args:
+            live (Live): Live instance using this Console.
+
+        Raises:
+            errors.LiveError: If this Console has a Live context currently active.
+        """
+        with self._lock:
+            if self._live is not None:
+                raise errors.LiveError("Only one live display may be active at once")
+            self._live = live
+
+    def clear_live(self) -> None:
+        """Clear the Live instance."""
+        with self._lock:
+            self._live = None
+
+    def push_render_hook(self, hook: RenderHook) -> None:
+        """Add a new render hook to the stack.
+
+        Args:
+            hook (RenderHook): Render hook instance.
+        """
+        with self._lock:
+            self._render_hooks.append(hook)
+
+    def pop_render_hook(self) -> None:
+        """Pop the last renderhook from the stack."""
+        with self._lock:
+            self._render_hooks.pop()
+
+    def __enter__(self) -> "Console":
+        """Own context manager to enter buffer context."""
+        self._enter_buffer()
+        return self
+
+    def __exit__(self, exc_type: Any, exc_value: Any, traceback: Any) -> None:
+        """Exit buffer context."""
+        self._exit_buffer()
+
+    def begin_capture(self) -> None:
+        """Begin capturing console output. Call :meth:`end_capture` to exit capture mode and return output."""
+        self._enter_buffer()
+
+    def end_capture(self) -> str:
+        """End capture mode and return captured string.
+
+        Returns:
+            str: Console output.
+        """
+        render_result = self._render_buffer(self._buffer)
+        del self._buffer[:]
+        self._exit_buffer()
+        return render_result
+
+    def push_theme(self, theme: Theme, *, inherit: bool = True) -> None:
+        """Push a new theme on to the top of the stack, replacing the styles from the previous theme.
+        Generally speaking, you should call :meth:`~rich.console.Console.use_theme` to get a context manager, rather
+        than calling this method directly.
+
+        Args:
+            theme (Theme): A theme instance.
+            inherit (bool, optional): Inherit existing styles. Defaults to True.
+        """
+        self._theme_stack.push_theme(theme, inherit=inherit)
+
+    def pop_theme(self) -> None:
+        """Remove theme from top of stack, restoring previous theme."""
+        self._theme_stack.pop_theme()
+
+    def use_theme(self, theme: Theme, *, inherit: bool = True) -> ThemeContext:
+        """Use a different theme for the duration of the context manager.
+
+        Args:
+            theme (Theme): Theme instance to user.
+            inherit (bool, optional): Inherit existing console styles. Defaults to True.
+
+        Returns:
+            ThemeContext: [description]
+        """
+        return ThemeContext(self, theme, inherit)
+
+    @property
+    def color_system(self) -> Optional[str]:
+        """Get color system string.
+
+        Returns:
+            Optional[str]: "standard", "256" or "truecolor".
+        """
+
+        if self._color_system is not None:
+            return _COLOR_SYSTEMS_NAMES[self._color_system]
+        else:
+            return None
+
+    @property
+    def encoding(self) -> str:
+        """Get the encoding of the console file, e.g. ``"utf-8"``.
+
+        Returns:
+            str: A standard encoding string.
+        """
+        return (getattr(self.file, "encoding", "utf-8") or "utf-8").lower()
+
+    @property
+    def is_terminal(self) -> bool:
+        """Check if the console is writing to a terminal.
+
+        Returns:
+            bool: True if the console writing to a device capable of
+            understanding terminal codes, otherwise False.
+        """
+        if self._force_terminal is not None:
+            return self._force_terminal
+
+        if hasattr(sys.stdin, "__module__") and sys.stdin.__module__.startswith(
+            "idlelib"
+        ):
+            # Return False for Idle which claims to be a tty but can't handle ansi codes
+            return False
+
+        if self.is_jupyter:
+            # return False for Jupyter, which may have FORCE_COLOR set
+            return False
+
+        # If FORCE_COLOR env var has any value at all, we assume a terminal.
+        force_color = self._environ.get("FORCE_COLOR")
+        if force_color is not None:
+            self._force_terminal = True
+            return True
+
+        isatty: Optional[Callable[[], bool]] = getattr(self.file, "isatty", None)
+        try:
+            return False if isatty is None else isatty()
+        except ValueError:
+            # in some situation (at the end of a pytest run for example) isatty() can raise
+            # ValueError: I/O operation on closed file
+            # return False because we aren't in a terminal anymore
+            return False
+
+    @property
+    def is_dumb_terminal(self) -> bool:
+        """Detect dumb terminal.
+
+        Returns:
+            bool: True if writing to a dumb terminal, otherwise False.
+
+        """
+        _term = self._environ.get("TERM", "")
+        is_dumb = _term.lower() in ("dumb", "unknown")
+        return self.is_terminal and is_dumb
+
+    @property
+    def options(self) -> ConsoleOptions:
+        """Get default console options."""
+        return ConsoleOptions(
+            max_height=self.size.height,
+            size=self.size,
+            legacy_windows=self.legacy_windows,
+            min_width=1,
+            max_width=self.width,
+            encoding=self.encoding,
+            is_terminal=self.is_terminal,
+        )
+
+    @property
+    def size(self) -> ConsoleDimensions:
+        """Get the size of the console.
+
+        Returns:
+            ConsoleDimensions: A named tuple containing the dimensions.
+        """
+
+        if self._width is not None and self._height is not None:
+            return ConsoleDimensions(self._width - self.legacy_windows, self._height)
+
+        if self.is_dumb_terminal:
+            return ConsoleDimensions(80, 25)
+
+        width: Optional[int] = None
+        height: Optional[int] = None
+
+        if WINDOWS:  # pragma: no cover
+            try:
+                width, height = os.get_terminal_size()
+            except (AttributeError, ValueError, OSError):  # Probably not a terminal
+                pass
+        else:
+            for file_descriptor in _STD_STREAMS:
+                try:
+                    width, height = os.get_terminal_size(file_descriptor)
+                except (AttributeError, ValueError, OSError):
+                    pass
+                else:
+                    break
+
+        columns = self._environ.get("COLUMNS")
+        if columns is not None and columns.isdigit():
+            width = int(columns)
+        lines = self._environ.get("LINES")
+        if lines is not None and lines.isdigit():
+            height = int(lines)
+
+        # get_terminal_size can report 0, 0 if run from pseudo-terminal
+        width = width or 80
+        height = height or 25
+        return ConsoleDimensions(
+            width - self.legacy_windows if self._width is None else self._width,
+            height if self._height is None else self._height,
+        )
+
+    @size.setter
+    def size(self, new_size: Tuple[int, int]) -> None:
+        """Set a new size for the terminal.
+
+        Args:
+            new_size (Tuple[int, int]): New width and height.
+        """
+        width, height = new_size
+        self._width = width
+        self._height = height
+
+    @property
+    def width(self) -> int:
+        """Get the width of the console.
+
+        Returns:
+            int: The width (in characters) of the console.
+        """
+        return self.size.width
+
+    @width.setter
+    def width(self, width: int) -> None:
+        """Set width.
+
+        Args:
+            width (int): New width.
+        """
+        self._width = width
+
+    @property
+    def height(self) -> int:
+        """Get the height of the console.
+
+        Returns:
+            int: The height (in lines) of the console.
+        """
+        return self.size.height
+
+    @height.setter
+    def height(self, height: int) -> None:
+        """Set height.
+
+        Args:
+            height (int): new height.
+        """
+        self._height = height
+
+    def bell(self) -> None:
+        """Play a 'bell' sound (if supported by the terminal)."""
+        self.control(Control.bell())
+
+    def capture(self) -> Capture:
+        """A context manager to *capture* the result of print() or log() in a string,
+        rather than writing it to the console.
+
+        Example:
+            >>> from rich.console import Console
+            >>> console = Console()
+            >>> with console.capture() as capture:
+            ...     console.print("[bold magenta]Hello World[/]")
+            >>> print(capture.get())
+
+        Returns:
+            Capture: Context manager with disables writing to the terminal.
+        """
+        capture = Capture(self)
+        return capture
+
+    def pager(
+        self, pager: Optional[Pager] = None, styles: bool = False, links: bool = False
+    ) -> PagerContext:
+        """A context manager to display anything printed within a "pager". The pager application
+        is defined by the system and will typically support at least pressing a key to scroll.
+
+        Args:
+            pager (Pager, optional): A pager object, or None to use :class:`~rich.pager.SystemPager`. Defaults to None.
+            styles (bool, optional): Show styles in pager. Defaults to False.
+            links (bool, optional): Show links in pager. Defaults to False.
+
+        Example:
+            >>> from rich.console import Console
+            >>> from rich.__main__ import make_test_card
+            >>> console = Console()
+            >>> with console.pager():
+                    console.print(make_test_card())
+
+        Returns:
+            PagerContext: A context manager.
+        """
+        return PagerContext(self, pager=pager, styles=styles, links=links)
+
+    def line(self, count: int = 1) -> None:
+        """Write new line(s).
+
+        Args:
+            count (int, optional): Number of new lines. Defaults to 1.
+        """
+
+        assert count >= 0, "count must be >= 0"
+        self.print(NewLine(count))
+
+    def clear(self, home: bool = True) -> None:
+        """Clear the screen.
+
+        Args:
+            home (bool, optional): Also move the cursor to 'home' position. Defaults to True.
+        """
+        if home:
+            self.control(Control.clear(), Control.home())
+        else:
+            self.control(Control.clear())
+
+    def status(
+        self,
+        status: RenderableType,
+        *,
+        spinner: str = "dots",
+        spinner_style: StyleType = "status.spinner",
+        speed: float = 1.0,
+        refresh_per_second: float = 12.5,
+    ) -> "Status":
+        """Display a status and spinner.
+
+        Args:
+            status (RenderableType): A status renderable (str or Text typically).
+            spinner (str, optional): Name of spinner animation (see python -m rich.spinner). Defaults to "dots".
+            spinner_style (StyleType, optional): Style of spinner. Defaults to "status.spinner".
+            speed (float, optional): Speed factor for spinner animation. Defaults to 1.0.
+            refresh_per_second (float, optional): Number of refreshes per second. Defaults to 12.5.
+
+        Returns:
+            Status: A Status object that may be used as a context manager.
+        """
+        from .status import Status
+
+        status_renderable = Status(
+            status,
+            console=self,
+            spinner=spinner,
+            spinner_style=spinner_style,
+            speed=speed,
+            refresh_per_second=refresh_per_second,
+        )
+        return status_renderable
+
+    def show_cursor(self, show: bool = True) -> bool:
+        """Show or hide the cursor.
+
+        Args:
+            show (bool, optional): Set visibility of the cursor.
+        """
+        if self.is_terminal:
+            self.control(Control.show_cursor(show))
+            return True
+        return False
+
+    def set_alt_screen(self, enable: bool = True) -> bool:
+        """Enables alternative screen mode.
+
+        Note, if you enable this mode, you should ensure that is disabled before
+        the application exits. See :meth:`~rich.Console.screen` for a context manager
+        that handles this for you.
+
+        Args:
+            enable (bool, optional): Enable (True) or disable (False) alternate screen. Defaults to True.
+
+        Returns:
+            bool: True if the control codes were written.
+
+        """
+        changed = False
+        if self.is_terminal and not self.legacy_windows:
+            self.control(Control.alt_screen(enable))
+            changed = True
+            self._is_alt_screen = enable
+        return changed
+
+    @property
+    def is_alt_screen(self) -> bool:
+        """Check if the alt screen was enabled.
+
+        Returns:
+            bool: True if the alt screen was enabled, otherwise False.
+        """
+        return self._is_alt_screen
+
+    def set_window_title(self, title: str) -> bool:
+        """Set the title of the console terminal window.
+
+        Warning: There is no means within Rich of "resetting" the window title to its
+        previous value, meaning the title you set will persist even after your application
+        exits.
+
+        ``fish`` shell resets the window title before and after each command by default,
+        negating this issue. Windows Terminal and command prompt will also reset the title for you.
+        Most other shells and terminals, however, do not do this.
+
+        Some terminals may require configuration changes before you can set the title.
+        Some terminals may not support setting the title at all.
+
+        Other software (including the terminal itself, the shell, custom prompts, plugins, etc.)
+        may also set the terminal window title. This could result in whatever value you write
+        using this method being overwritten.
+
+        Args:
+            title (str): The new title of the terminal window.
+
+        Returns:
+            bool: True if the control code to change the terminal title was
+                written, otherwise False. Note that a return value of True
+                does not guarantee that the window title has actually changed,
+                since the feature may be unsupported/disabled in some terminals.
+        """
+        if self.is_terminal:
+            self.control(Control.title(title))
+            return True
+        return False
+
+    def screen(
+        self, hide_cursor: bool = True, style: Optional[StyleType] = None
+    ) -> "ScreenContext":
+        """Context manager to enable and disable 'alternative screen' mode.
+
+        Args:
+            hide_cursor (bool, optional): Also hide the cursor. Defaults to False.
+            style (Style, optional): Optional style for screen. Defaults to None.
+
+        Returns:
+            ~ScreenContext: Context which enables alternate screen on enter, and disables it on exit.
+        """
+        return ScreenContext(self, hide_cursor=hide_cursor, style=style or "")
+
+    def measure(
+        self, renderable: RenderableType, *, options: Optional[ConsoleOptions] = None
+    ) -> Measurement:
+        """Measure a renderable. Returns a :class:`~rich.measure.Measurement` object which contains
+        information regarding the number of characters required to print the renderable.
+
+        Args:
+            renderable (RenderableType): Any renderable or string.
+            options (Optional[ConsoleOptions], optional): Options to use when measuring, or None
+                to use default options. Defaults to None.
+
+        Returns:
+            Measurement: A measurement of the renderable.
+        """
+        measurement = Measurement.get(self, options or self.options, renderable)
+        return measurement
+
+    def render(
+        self, renderable: RenderableType, options: Optional[ConsoleOptions] = None
+    ) -> Iterable[Segment]:
+        """Render an object in to an iterable of `Segment` instances.
+
+        This method contains the logic for rendering objects with the console protocol.
+        You are unlikely to need to use it directly, unless you are extending the library.
+
+        Args:
+            renderable (RenderableType): An object supporting the console protocol, or
+                an object that may be converted to a string.
+            options (ConsoleOptions, optional): An options object, or None to use self.options. Defaults to None.
+
+        Returns:
+            Iterable[Segment]: An iterable of segments that may be rendered.
+        """
+
+        _options = options or self.options
+        if _options.max_width < 1:
+            # No space to render anything. This prevents potential recursion errors.
+            return
+        render_iterable: RenderResult
+
+        renderable = rich_cast(renderable)
+        if hasattr(renderable, "__rich_console__") and not isclass(renderable):
+            render_iterable = renderable.__rich_console__(self, _options)  # type: ignore[union-attr]
+        elif isinstance(renderable, str):
+            text_renderable = self.render_str(
+                renderable, highlight=_options.highlight, markup=_options.markup
+            )
+            render_iterable = text_renderable.__rich_console__(self, _options)
+        else:
+            raise errors.NotRenderableError(
+                f"Unable to render {renderable!r}; "
+                "A str, Segment or object with __rich_console__ method is required"
+            )
+
+        try:
+            iter_render = iter(render_iterable)
+        except TypeError:
+            raise errors.NotRenderableError(
+                f"object {render_iterable!r} is not renderable"
+            )
+        _Segment = Segment
+        _options = _options.reset_height()
+        for render_output in iter_render:
+            if isinstance(render_output, _Segment):
+                yield render_output
+            else:
+                yield from self.render(render_output, _options)
+
+    def render_lines(
+        self,
+        renderable: RenderableType,
+        options: Optional[ConsoleOptions] = None,
+        *,
+        style: Optional[Style] = None,
+        pad: bool = True,
+        new_lines: bool = False,
+    ) -> List[List[Segment]]:
+        """Render objects in to a list of lines.
+
+        The output of render_lines is useful when further formatting of rendered console text
+        is required, such as the Panel class which draws a border around any renderable object.
+
+        Args:
+            renderable (RenderableType): Any object renderable in the console.
+            options (Optional[ConsoleOptions], optional): Console options, or None to use self.options. Default to ``None``.
+            style (Style, optional): Optional style to apply to renderables. Defaults to ``None``.
+            pad (bool, optional): Pad lines shorter than render width. Defaults to ``True``.
+            new_lines (bool, optional): Include "\n" characters at end of lines.
+
+        Returns:
+            List[List[Segment]]: A list of lines, where a line is a list of Segment objects.
+        """
+        with self._lock:
+            render_options = options or self.options
+            _rendered = self.render(renderable, render_options)
+            if style:
+                _rendered = Segment.apply_style(_rendered, style)
+
+            render_height = render_options.height
+            if render_height is not None:
+                render_height = max(0, render_height)
+
+            lines = list(
+                islice(
+                    Segment.split_and_crop_lines(
+                        _rendered,
+                        render_options.max_width,
+                        include_new_lines=new_lines,
+                        pad=pad,
+                        style=style,
+                    ),
+                    None,
+                    render_height,
+                )
+            )
+            if render_options.height is not None:
+                extra_lines = render_options.height - len(lines)
+                if extra_lines > 0:
+                    pad_line = [
+                        [Segment(" " * render_options.max_width, style), Segment("\n")]
+                        if new_lines
+                        else [Segment(" " * render_options.max_width, style)]
+                    ]
+                    lines.extend(pad_line * extra_lines)
+
+            return lines
+
+    def render_str(
+        self,
+        text: str,
+        *,
+        style: Union[str, Style] = "",
+        justify: Optional[JustifyMethod] = None,
+        overflow: Optional[OverflowMethod] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+        highlighter: Optional[HighlighterType] = None,
+    ) -> "Text":
+        """Convert a string to a Text instance. This is called automatically if
+        you print or log a string.
+
+        Args:
+            text (str): Text to render.
+            style (Union[str, Style], optional): Style to apply to rendered text.
+            justify (str, optional): Justify method: "default", "left", "center", "full", or "right". Defaults to ``None``.
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to ``None``.
+            emoji (Optional[bool], optional): Enable emoji, or ``None`` to use Console default.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use Console default.
+            highlight (Optional[bool], optional): Enable highlighting, or ``None`` to use Console default.
+            highlighter (HighlighterType, optional): Optional highlighter to apply.
+        Returns:
+            ConsoleRenderable: Renderable object.
+
+        """
+        emoji_enabled = emoji or (emoji is None and self._emoji)
+        markup_enabled = markup or (markup is None and self._markup)
+        highlight_enabled = highlight or (highlight is None and self._highlight)
+
+        if markup_enabled:
+            rich_text = render_markup(
+                text,
+                style=style,
+                emoji=emoji_enabled,
+                emoji_variant=self._emoji_variant,
+            )
+            rich_text.justify = justify
+            rich_text.overflow = overflow
+        else:
+            rich_text = Text(
+                _emoji_replace(text, default_variant=self._emoji_variant)
+                if emoji_enabled
+                else text,
+                justify=justify,
+                overflow=overflow,
+                style=style,
+            )
+
+        _highlighter = (highlighter or self.highlighter) if highlight_enabled else None
+        if _highlighter is not None:
+            highlight_text = _highlighter(str(rich_text))
+            highlight_text.copy_styles(rich_text)
+            return highlight_text
+
+        return rich_text
+
+    def get_style(
+        self, name: Union[str, Style], *, default: Optional[Union[Style, str]] = None
+    ) -> Style:
+        """Get a Style instance by its theme name or parse a definition.
+
+        Args:
+            name (str): The name of a style or a style definition.
+
+        Returns:
+            Style: A Style object.
+
+        Raises:
+            MissingStyle: If no style could be parsed from name.
+
+        """
+        if isinstance(name, Style):
+            return name
+
+        try:
+            style = self._theme_stack.get(name)
+            if style is None:
+                style = Style.parse(name)
+            return style.copy() if style.link else style
+        except errors.StyleSyntaxError as error:
+            if default is not None:
+                return self.get_style(default)
+            raise errors.MissingStyle(
+                f"Failed to get style {name!r}; {error}"
+            ) from None
+
+    def _collect_renderables(
+        self,
+        objects: Iterable[Any],
+        sep: str,
+        end: str,
+        *,
+        justify: Optional[JustifyMethod] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+    ) -> List[ConsoleRenderable]:
+        """Combine a number of renderables and text into one renderable.
+
+        Args:
+            objects (Iterable[Any]): Anything that Rich can render.
+            sep (str): String to write between print data.
+            end (str): String to write at end of print data.
+            justify (str, optional): One of "left", "right", "center", or "full". Defaults to ``None``.
+            emoji (Optional[bool], optional): Enable emoji code, or ``None`` to use console default.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use console default.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use console default.
+
+        Returns:
+            List[ConsoleRenderable]: A list of things to render.
+        """
+        renderables: List[ConsoleRenderable] = []
+        _append = renderables.append
+        text: List[Text] = []
+        append_text = text.append
+
+        append = _append
+        if justify in ("left", "center", "right"):
+
+            def align_append(renderable: RenderableType) -> None:
+                _append(Align(renderable, cast(AlignMethod, justify)))
+
+            append = align_append
+
+        _highlighter: HighlighterType = _null_highlighter
+        if highlight or (highlight is None and self._highlight):
+            _highlighter = self.highlighter
+
+        def check_text() -> None:
+            if text:
+                sep_text = Text(sep, justify=justify, end=end)
+                append(sep_text.join(text))
+                text.clear()
+
+        for renderable in objects:
+            renderable = rich_cast(renderable)
+            if isinstance(renderable, str):
+                append_text(
+                    self.render_str(
+                        renderable, emoji=emoji, markup=markup, highlighter=_highlighter
+                    )
+                )
+            elif isinstance(renderable, Text):
+                append_text(renderable)
+            elif isinstance(renderable, ConsoleRenderable):
+                check_text()
+                append(renderable)
+            elif is_expandable(renderable):
+                check_text()
+                append(Pretty(renderable, highlighter=_highlighter))
+            else:
+                append_text(_highlighter(str(renderable)))
+
+        check_text()
+
+        if self.style is not None:
+            style = self.get_style(self.style)
+            renderables = [Styled(renderable, style) for renderable in renderables]
+
+        return renderables
+
+    def rule(
+        self,
+        title: TextType = "",
+        *,
+        characters: str = "─",
+        style: Union[str, Style] = "rule.line",
+        align: AlignMethod = "center",
+    ) -> None:
+        """Draw a line with optional centered title.
+
+        Args:
+            title (str, optional): Text to render over the rule. Defaults to "".
+            characters (str, optional): Character(s) to form the line. Defaults to "─".
+            style (str, optional): Style of line. Defaults to "rule.line".
+            align (str, optional): How to align the title, one of "left", "center", or "right". Defaults to "center".
+        """
+        from .rule import Rule
+
+        rule = Rule(title=title, characters=characters, style=style, align=align)
+        self.print(rule)
+
+    def control(self, *control: Control) -> None:
+        """Insert non-printing control codes.
+
+        Args:
+            control_codes (str): Control codes, such as those that may move the cursor.
+        """
+        if not self.is_dumb_terminal:
+            with self:
+                self._buffer.extend(_control.segment for _control in control)
+
+    def out(
+        self,
+        *objects: Any,
+        sep: str = " ",
+        end: str = "\n",
+        style: Optional[Union[str, Style]] = None,
+        highlight: Optional[bool] = None,
+    ) -> None:
+        """Output to the terminal. This is a low-level way of writing to the terminal which unlike
+        :meth:`~rich.console.Console.print` won't pretty print, wrap text, or apply markup, but will
+        optionally apply highlighting and a basic style.
+
+        Args:
+            sep (str, optional): String to write between print data. Defaults to " ".
+            end (str, optional): String to write at end of print data. Defaults to "\\\\n".
+            style (Union[str, Style], optional): A style to apply to output. Defaults to None.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use
+                console default. Defaults to ``None``.
+        """
+        raw_output: str = sep.join(str(_object) for _object in objects)
+        self.print(
+            raw_output,
+            style=style,
+            highlight=highlight,
+            emoji=False,
+            markup=False,
+            no_wrap=True,
+            overflow="ignore",
+            crop=False,
+            end=end,
+        )
+
+    def print(
+        self,
+        *objects: Any,
+        sep: str = " ",
+        end: str = "\n",
+        style: Optional[Union[str, Style]] = None,
+        justify: Optional[JustifyMethod] = None,
+        overflow: Optional[OverflowMethod] = None,
+        no_wrap: Optional[bool] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+        crop: bool = True,
+        soft_wrap: Optional[bool] = None,
+        new_line_start: bool = False,
+    ) -> None:
+        """Print to the console.
+
+        Args:
+            objects (positional args): Objects to log to the terminal.
+            sep (str, optional): String to write between print data. Defaults to " ".
+            end (str, optional): String to write at end of print data. Defaults to "\\\\n".
+            style (Union[str, Style], optional): A style to apply to output. Defaults to None.
+            justify (str, optional): Justify method: "default", "left", "right", "center", or "full". Defaults to ``None``.
+            overflow (str, optional): Overflow method: "ignore", "crop", "fold", or "ellipsis". Defaults to None.
+            no_wrap (Optional[bool], optional): Disable word wrapping. Defaults to None.
+            emoji (Optional[bool], optional): Enable emoji code, or ``None`` to use console default. Defaults to ``None``.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use console default. Defaults to ``None``.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use console default. Defaults to ``None``.
+            width (Optional[int], optional): Width of output, or ``None`` to auto-detect. Defaults to ``None``.
+            crop (Optional[bool], optional): Crop output to width of terminal. Defaults to True.
+            soft_wrap (bool, optional): Enable soft wrap mode which disables word wrapping and cropping of text or ``None`` for
+                Console default. Defaults to ``None``.
+            new_line_start (bool, False): Insert a new line at the start if the output contains more than one line. Defaults to ``False``.
+        """
+        if not objects:
+            objects = (NewLine(),)
+
+        if soft_wrap is None:
+            soft_wrap = self.soft_wrap
+        if soft_wrap:
+            if no_wrap is None:
+                no_wrap = True
+            if overflow is None:
+                overflow = "ignore"
+            crop = False
+        render_hooks = self._render_hooks[:]
+        with self:
+            renderables = self._collect_renderables(
+                objects,
+                sep,
+                end,
+                justify=justify,
+                emoji=emoji,
+                markup=markup,
+                highlight=highlight,
+            )
+            for hook in render_hooks:
+                renderables = hook.process_renderables(renderables)
+            render_options = self.options.update(
+                justify=justify,
+                overflow=overflow,
+                width=min(width, self.width) if width is not None else NO_CHANGE,
+                height=height,
+                no_wrap=no_wrap,
+                markup=markup,
+                highlight=highlight,
+            )
+
+            new_segments: List[Segment] = []
+            extend = new_segments.extend
+            render = self.render
+            if style is None:
+                for renderable in renderables:
+                    extend(render(renderable, render_options))
+            else:
+                for renderable in renderables:
+                    extend(
+                        Segment.apply_style(
+                            render(renderable, render_options), self.get_style(style)
+                        )
+                    )
+            if new_line_start:
+                if (
+                    len("".join(segment.text for segment in new_segments).splitlines())
+                    > 1
+                ):
+                    new_segments.insert(0, Segment.line())
+            if crop:
+                buffer_extend = self._buffer.extend
+                for line in Segment.split_and_crop_lines(
+                    new_segments, self.width, pad=False
+                ):
+                    buffer_extend(line)
+            else:
+                self._buffer.extend(new_segments)
+
+    def print_json(
+        self,
+        json: Optional[str] = None,
+        *,
+        data: Any = None,
+        indent: Union[None, int, str] = 2,
+        highlight: bool = True,
+        skip_keys: bool = False,
+        ensure_ascii: bool = False,
+        check_circular: bool = True,
+        allow_nan: bool = True,
+        default: Optional[Callable[[Any], Any]] = None,
+        sort_keys: bool = False,
+    ) -> None:
+        """Pretty prints JSON. Output will be valid JSON.
+
+        Args:
+            json (Optional[str]): A string containing JSON.
+            data (Any): If json is not supplied, then encode this data.
+            indent (Union[None, int, str], optional): Number of spaces to indent. Defaults to 2.
+            highlight (bool, optional): Enable highlighting of output: Defaults to True.
+            skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+            ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+            check_circular (bool, optional): Check for circular references. Defaults to True.
+            allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+            default (Callable, optional): A callable that converts values that can not be encoded
+                in to something that can be JSON encoded. Defaults to None.
+            sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+        """
+        from pip._vendor.rich.json import JSON
+
+        if json is None:
+            json_renderable = JSON.from_data(
+                data,
+                indent=indent,
+                highlight=highlight,
+                skip_keys=skip_keys,
+                ensure_ascii=ensure_ascii,
+                check_circular=check_circular,
+                allow_nan=allow_nan,
+                default=default,
+                sort_keys=sort_keys,
+            )
+        else:
+            if not isinstance(json, str):
+                raise TypeError(
+                    f"json must be str. Did you mean print_json(data={json!r}) ?"
+                )
+            json_renderable = JSON(
+                json,
+                indent=indent,
+                highlight=highlight,
+                skip_keys=skip_keys,
+                ensure_ascii=ensure_ascii,
+                check_circular=check_circular,
+                allow_nan=allow_nan,
+                default=default,
+                sort_keys=sort_keys,
+            )
+        self.print(json_renderable, soft_wrap=True)
+
+    def update_screen(
+        self,
+        renderable: RenderableType,
+        *,
+        region: Optional[Region] = None,
+        options: Optional[ConsoleOptions] = None,
+    ) -> None:
+        """Update the screen at a given offset.
+
+        Args:
+            renderable (RenderableType): A Rich renderable.
+            region (Region, optional): Region of screen to update, or None for entire screen. Defaults to None.
+            x (int, optional): x offset. Defaults to 0.
+            y (int, optional): y offset. Defaults to 0.
+
+        Raises:
+            errors.NoAltScreen: If the Console isn't in alt screen mode.
+
+        """
+        if not self.is_alt_screen:
+            raise errors.NoAltScreen("Alt screen must be enabled to call update_screen")
+        render_options = options or self.options
+        if region is None:
+            x = y = 0
+            render_options = render_options.update_dimensions(
+                render_options.max_width, render_options.height or self.height
+            )
+        else:
+            x, y, width, height = region
+            render_options = render_options.update_dimensions(width, height)
+
+        lines = self.render_lines(renderable, options=render_options)
+        self.update_screen_lines(lines, x, y)
+
+    def update_screen_lines(
+        self, lines: List[List[Segment]], x: int = 0, y: int = 0
+    ) -> None:
+        """Update lines of the screen at a given offset.
+
+        Args:
+            lines (List[List[Segment]]): Rendered lines (as produced by :meth:`~rich.Console.render_lines`).
+            x (int, optional): x offset (column no). Defaults to 0.
+            y (int, optional): y offset (column no). Defaults to 0.
+
+        Raises:
+            errors.NoAltScreen: If the Console isn't in alt screen mode.
+        """
+        if not self.is_alt_screen:
+            raise errors.NoAltScreen("Alt screen must be enabled to call update_screen")
+        screen_update = ScreenUpdate(lines, x, y)
+        segments = self.render(screen_update)
+        self._buffer.extend(segments)
+        self._check_buffer()
+
+    def print_exception(
+        self,
+        *,
+        width: Optional[int] = 100,
+        extra_lines: int = 3,
+        theme: Optional[str] = None,
+        word_wrap: bool = False,
+        show_locals: bool = False,
+        suppress: Iterable[Union[str, ModuleType]] = (),
+        max_frames: int = 100,
+    ) -> None:
+        """Prints a rich render of the last exception and traceback.
+
+        Args:
+            width (Optional[int], optional): Number of characters used to render code. Defaults to 100.
+            extra_lines (int, optional): Additional lines of code to render. Defaults to 3.
+            theme (str, optional): Override pygments theme used in traceback
+            word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+            show_locals (bool, optional): Enable display of local variables. Defaults to False.
+            suppress (Iterable[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+            max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+        """
+        from .traceback import Traceback
+
+        traceback = Traceback(
+            width=width,
+            extra_lines=extra_lines,
+            theme=theme,
+            word_wrap=word_wrap,
+            show_locals=show_locals,
+            suppress=suppress,
+            max_frames=max_frames,
+        )
+        self.print(traceback)
+
+    @staticmethod
+    def _caller_frame_info(
+        offset: int,
+        currentframe: Callable[[], Optional[FrameType]] = inspect.currentframe,
+    ) -> Tuple[str, int, Dict[str, Any]]:
+        """Get caller frame information.
+
+        Args:
+            offset (int): the caller offset within the current frame stack.
+            currentframe (Callable[[], Optional[FrameType]], optional): the callable to use to
+                retrieve the current frame. Defaults to ``inspect.currentframe``.
+
+        Returns:
+            Tuple[str, int, Dict[str, Any]]: A tuple containing the filename, the line number and
+                the dictionary of local variables associated with the caller frame.
+
+        Raises:
+            RuntimeError: If the stack offset is invalid.
+        """
+        # Ignore the frame of this local helper
+        offset += 1
+
+        frame = currentframe()
+        if frame is not None:
+            # Use the faster currentframe where implemented
+            while offset and frame is not None:
+                frame = frame.f_back
+                offset -= 1
+            assert frame is not None
+            return frame.f_code.co_filename, frame.f_lineno, frame.f_locals
+        else:
+            # Fallback to the slower stack
+            frame_info = inspect.stack()[offset]
+            return frame_info.filename, frame_info.lineno, frame_info.frame.f_locals
+
+    def log(
+        self,
+        *objects: Any,
+        sep: str = " ",
+        end: str = "\n",
+        style: Optional[Union[str, Style]] = None,
+        justify: Optional[JustifyMethod] = None,
+        emoji: Optional[bool] = None,
+        markup: Optional[bool] = None,
+        highlight: Optional[bool] = None,
+        log_locals: bool = False,
+        _stack_offset: int = 1,
+    ) -> None:
+        """Log rich content to the terminal.
+
+        Args:
+            objects (positional args): Objects to log to the terminal.
+            sep (str, optional): String to write between print data. Defaults to " ".
+            end (str, optional): String to write at end of print data. Defaults to "\\\\n".
+            style (Union[str, Style], optional): A style to apply to output. Defaults to None.
+            justify (str, optional): One of "left", "right", "center", or "full". Defaults to ``None``.
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to None.
+            emoji (Optional[bool], optional): Enable emoji code, or ``None`` to use console default. Defaults to None.
+            markup (Optional[bool], optional): Enable markup, or ``None`` to use console default. Defaults to None.
+            highlight (Optional[bool], optional): Enable automatic highlighting, or ``None`` to use console default. Defaults to None.
+            log_locals (bool, optional): Boolean to enable logging of locals where ``log()``
+                was called. Defaults to False.
+            _stack_offset (int, optional): Offset of caller from end of call stack. Defaults to 1.
+        """
+        if not objects:
+            objects = (NewLine(),)
+
+        render_hooks = self._render_hooks[:]
+
+        with self:
+            renderables = self._collect_renderables(
+                objects,
+                sep,
+                end,
+                justify=justify,
+                emoji=emoji,
+                markup=markup,
+                highlight=highlight,
+            )
+            if style is not None:
+                renderables = [Styled(renderable, style) for renderable in renderables]
+
+            filename, line_no, locals = self._caller_frame_info(_stack_offset)
+            link_path = None if filename.startswith("<") else os.path.abspath(filename)
+            path = filename.rpartition(os.sep)[-1]
+            if log_locals:
+                locals_map = {
+                    key: value
+                    for key, value in locals.items()
+                    if not key.startswith("__")
+                }
+                renderables.append(render_scope(locals_map, title="[i]locals"))
+
+            renderables = [
+                self._log_render(
+                    self,
+                    renderables,
+                    log_time=self.get_datetime(),
+                    path=path,
+                    line_no=line_no,
+                    link_path=link_path,
+                )
+            ]
+            for hook in render_hooks:
+                renderables = hook.process_renderables(renderables)
+            new_segments: List[Segment] = []
+            extend = new_segments.extend
+            render = self.render
+            render_options = self.options
+            for renderable in renderables:
+                extend(render(renderable, render_options))
+            buffer_extend = self._buffer.extend
+            for line in Segment.split_and_crop_lines(
+                new_segments, self.width, pad=False
+            ):
+                buffer_extend(line)
+
+    def _check_buffer(self) -> None:
+        """Check if the buffer may be rendered. Render it if it can (e.g. Console.quiet is False)
+        Rendering is supported on Windows, Unix and Jupyter environments. For
+        legacy Windows consoles, the win32 API is called directly.
+        This method will also record what it renders if recording is enabled via Console.record.
+        """
+        if self.quiet:
+            del self._buffer[:]
+            return
+        with self._lock:
+            if self.record:
+                with self._record_buffer_lock:
+                    self._record_buffer.extend(self._buffer[:])
+
+            if self._buffer_index == 0:
+                if self.is_jupyter:  # pragma: no cover
+                    from .jupyter import display
+
+                    display(self._buffer, self._render_buffer(self._buffer[:]))
+                    del self._buffer[:]
+                else:
+                    if WINDOWS:
+                        use_legacy_windows_render = False
+                        if self.legacy_windows:
+                            fileno = get_fileno(self.file)
+                            if fileno is not None:
+                                use_legacy_windows_render = (
+                                    fileno in _STD_STREAMS_OUTPUT
+                                )
+
+                        if use_legacy_windows_render:
+                            from pip._vendor.rich._win32_console import LegacyWindowsTerm
+                            from pip._vendor.rich._windows_renderer import legacy_windows_render
+
+                            buffer = self._buffer[:]
+                            if self.no_color and self._color_system:
+                                buffer = list(Segment.remove_color(buffer))
+
+                            legacy_windows_render(buffer, LegacyWindowsTerm(self.file))
+                        else:
+                            # Either a non-std stream on legacy Windows, or modern Windows.
+                            text = self._render_buffer(self._buffer[:])
+                            # https://bugs.python.org/issue37871
+                            # https://github.com/python/cpython/issues/82052
+                            # We need to avoid writing more than 32Kb in a single write, due to the above bug
+                            write = self.file.write
+                            # Worse case scenario, every character is 4 bytes of utf-8
+                            MAX_WRITE = 32 * 1024 // 4
+                            try:
+                                if len(text) <= MAX_WRITE:
+                                    write(text)
+                                else:
+                                    batch: List[str] = []
+                                    batch_append = batch.append
+                                    size = 0
+                                    for line in text.splitlines(True):
+                                        if size + len(line) > MAX_WRITE and batch:
+                                            write("".join(batch))
+                                            batch.clear()
+                                            size = 0
+                                        batch_append(line)
+                                        size += len(line)
+                                    if batch:
+                                        write("".join(batch))
+                                        batch.clear()
+                            except UnicodeEncodeError as error:
+                                error.reason = f"{error.reason}\n*** You may need to add PYTHONIOENCODING=utf-8 to your environment ***"
+                                raise
+                    else:
+                        text = self._render_buffer(self._buffer[:])
+                        try:
+                            self.file.write(text)
+                        except UnicodeEncodeError as error:
+                            error.reason = f"{error.reason}\n*** You may need to add PYTHONIOENCODING=utf-8 to your environment ***"
+                            raise
+
+                    self.file.flush()
+                    del self._buffer[:]
+
+    def _render_buffer(self, buffer: Iterable[Segment]) -> str:
+        """Render buffered output, and clear buffer."""
+        output: List[str] = []
+        append = output.append
+        color_system = self._color_system
+        legacy_windows = self.legacy_windows
+        not_terminal = not self.is_terminal
+        if self.no_color and color_system:
+            buffer = Segment.remove_color(buffer)
+        for text, style, control in buffer:
+            if style:
+                append(
+                    style.render(
+                        text,
+                        color_system=color_system,
+                        legacy_windows=legacy_windows,
+                    )
+                )
+            elif not (not_terminal and control):
+                append(text)
+
+        rendered = "".join(output)
+        return rendered
+
+    def input(
+        self,
+        prompt: TextType = "",
+        *,
+        markup: bool = True,
+        emoji: bool = True,
+        password: bool = False,
+        stream: Optional[TextIO] = None,
+    ) -> str:
+        """Displays a prompt and waits for input from the user. The prompt may contain color / style.
+
+        It works in the same way as Python's builtin :func:`input` function and provides elaborate line editing and history features if Python's builtin :mod:`readline` module is previously loaded.
+
+        Args:
+            prompt (Union[str, Text]): Text to render in the prompt.
+            markup (bool, optional): Enable console markup (requires a str prompt). Defaults to True.
+            emoji (bool, optional): Enable emoji (requires a str prompt). Defaults to True.
+            password: (bool, optional): Hide typed text. Defaults to False.
+            stream: (TextIO, optional): Optional file to read input from (rather than stdin). Defaults to None.
+
+        Returns:
+            str: Text read from stdin.
+        """
+        if prompt:
+            self.print(prompt, markup=markup, emoji=emoji, end="")
+        if password:
+            result = getpass("", stream=stream)
+        else:
+            if stream:
+                result = stream.readline()
+            else:
+                result = input()
+        return result
+
+    def export_text(self, *, clear: bool = True, styles: bool = False) -> str:
+        """Generate text from console contents (requires record=True argument in constructor).
+
+        Args:
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            styles (bool, optional): If ``True``, ansi escape codes will be included. ``False`` for plain text.
+                Defaults to ``False``.
+
+        Returns:
+            str: String containing console contents.
+
+        """
+        assert (
+            self.record
+        ), "To export console contents set record=True in the constructor or instance"
+
+        with self._record_buffer_lock:
+            if styles:
+                text = "".join(
+                    (style.render(text) if style else text)
+                    for text, style, _ in self._record_buffer
+                )
+            else:
+                text = "".join(
+                    segment.text
+                    for segment in self._record_buffer
+                    if not segment.control
+                )
+            if clear:
+                del self._record_buffer[:]
+        return text
+
+    def save_text(self, path: str, *, clear: bool = True, styles: bool = False) -> None:
+        """Generate text from console and save to a given location (requires record=True argument in constructor).
+
+        Args:
+            path (str): Path to write text files.
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            styles (bool, optional): If ``True``, ansi style codes will be included. ``False`` for plain text.
+                Defaults to ``False``.
+
+        """
+        text = self.export_text(clear=clear, styles=styles)
+        with open(path, "wt", encoding="utf-8") as write_file:
+            write_file.write(text)
+
+    def export_html(
+        self,
+        *,
+        theme: Optional[TerminalTheme] = None,
+        clear: bool = True,
+        code_format: Optional[str] = None,
+        inline_styles: bool = False,
+    ) -> str:
+        """Generate HTML from console contents (requires record=True argument in constructor).
+
+        Args:
+            theme (TerminalTheme, optional): TerminalTheme object containing console colors.
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            code_format (str, optional): Format string to render HTML. In addition to '{foreground}',
+                '{background}', and '{code}', should contain '{stylesheet}' if inline_styles is ``False``.
+            inline_styles (bool, optional): If ``True`` styles will be inlined in to spans, which makes files
+                larger but easier to cut and paste markup. If ``False``, styles will be embedded in a style tag.
+                Defaults to False.
+
+        Returns:
+            str: String containing console contents as HTML.
+        """
+        assert (
+            self.record
+        ), "To export console contents set record=True in the constructor or instance"
+        fragments: List[str] = []
+        append = fragments.append
+        _theme = theme or DEFAULT_TERMINAL_THEME
+        stylesheet = ""
+
+        render_code_format = CONSOLE_HTML_FORMAT if code_format is None else code_format
+
+        with self._record_buffer_lock:
+            if inline_styles:
+                for text, style, _ in Segment.filter_control(
+                    Segment.simplify(self._record_buffer)
+                ):
+                    text = escape(text)
+                    if style:
+                        rule = style.get_html_style(_theme)
+                        if style.link:
+                            text = f'<a href="{style.link}">{text}</a>'
+                        text = f'<span style="{rule}">{text}</span>' if rule else text
+                    append(text)
+            else:
+                styles: Dict[str, int] = {}
+                for text, style, _ in Segment.filter_control(
+                    Segment.simplify(self._record_buffer)
+                ):
+                    text = escape(text)
+                    if style:
+                        rule = style.get_html_style(_theme)
+                        style_number = styles.setdefault(rule, len(styles) + 1)
+                        if style.link:
+                            text = f'<a class="r{style_number}" href="{style.link}">{text}</a>'
+                        else:
+                            text = f'<span class="r{style_number}">{text}</span>'
+                    append(text)
+                stylesheet_rules: List[str] = []
+                stylesheet_append = stylesheet_rules.append
+                for style_rule, style_number in styles.items():
+                    if style_rule:
+                        stylesheet_append(f".r{style_number} {{{style_rule}}}")
+                stylesheet = "\n".join(stylesheet_rules)
+
+            rendered_code = render_code_format.format(
+                code="".join(fragments),
+                stylesheet=stylesheet,
+                foreground=_theme.foreground_color.hex,
+                background=_theme.background_color.hex,
+            )
+            if clear:
+                del self._record_buffer[:]
+        return rendered_code
+
+    def save_html(
+        self,
+        path: str,
+        *,
+        theme: Optional[TerminalTheme] = None,
+        clear: bool = True,
+        code_format: str = CONSOLE_HTML_FORMAT,
+        inline_styles: bool = False,
+    ) -> None:
+        """Generate HTML from console contents and write to a file (requires record=True argument in constructor).
+
+        Args:
+            path (str): Path to write html file.
+            theme (TerminalTheme, optional): TerminalTheme object containing console colors.
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``.
+            code_format (str, optional): Format string to render HTML. In addition to '{foreground}',
+                '{background}', and '{code}', should contain '{stylesheet}' if inline_styles is ``False``.
+            inline_styles (bool, optional): If ``True`` styles will be inlined in to spans, which makes files
+                larger but easier to cut and paste markup. If ``False``, styles will be embedded in a style tag.
+                Defaults to False.
+
+        """
+        html = self.export_html(
+            theme=theme,
+            clear=clear,
+            code_format=code_format,
+            inline_styles=inline_styles,
+        )
+        with open(path, "wt", encoding="utf-8") as write_file:
+            write_file.write(html)
+
+    def export_svg(
+        self,
+        *,
+        title: str = "Rich",
+        theme: Optional[TerminalTheme] = None,
+        clear: bool = True,
+        code_format: str = CONSOLE_SVG_FORMAT,
+        font_aspect_ratio: float = 0.61,
+        unique_id: Optional[str] = None,
+    ) -> str:
+        """
+        Generate an SVG from the console contents (requires record=True in Console constructor).
+
+        Args:
+            title (str, optional): The title of the tab in the output image
+            theme (TerminalTheme, optional): The ``TerminalTheme`` object to use to style the terminal
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``
+            code_format (str, optional): Format string used to generate the SVG. Rich will inject a number of variables
+                into the string in order to form the final SVG output. The default template used and the variables
+                injected by Rich can be found by inspecting the ``console.CONSOLE_SVG_FORMAT`` variable.
+            font_aspect_ratio (float, optional): The width to height ratio of the font used in the ``code_format``
+                string. Defaults to 0.61, which is the width to height ratio of Fira Code (the default font).
+                If you aren't specifying a different font inside ``code_format``, you probably don't need this.
+            unique_id (str, optional): unique id that is used as the prefix for various elements (CSS styles, node
+                ids). If not set, this defaults to a computed value based on the recorded content.
+        """
+
+        from pip._vendor.rich.cells import cell_len
+
+        style_cache: Dict[Style, str] = {}
+
+        def get_svg_style(style: Style) -> str:
+            """Convert a Style to CSS rules for SVG."""
+            if style in style_cache:
+                return style_cache[style]
+            css_rules = []
+            color = (
+                _theme.foreground_color
+                if (style.color is None or style.color.is_default)
+                else style.color.get_truecolor(_theme)
+            )
+            bgcolor = (
+                _theme.background_color
+                if (style.bgcolor is None or style.bgcolor.is_default)
+                else style.bgcolor.get_truecolor(_theme)
+            )
+            if style.reverse:
+                color, bgcolor = bgcolor, color
+            if style.dim:
+                color = blend_rgb(color, bgcolor, 0.4)
+            css_rules.append(f"fill: {color.hex}")
+            if style.bold:
+                css_rules.append("font-weight: bold")
+            if style.italic:
+                css_rules.append("font-style: italic;")
+            if style.underline:
+                css_rules.append("text-decoration: underline;")
+            if style.strike:
+                css_rules.append("text-decoration: line-through;")
+
+            css = ";".join(css_rules)
+            style_cache[style] = css
+            return css
+
+        _theme = theme or SVG_EXPORT_THEME
+
+        width = self.width
+        char_height = 20
+        char_width = char_height * font_aspect_ratio
+        line_height = char_height * 1.22
+
+        margin_top = 1
+        margin_right = 1
+        margin_bottom = 1
+        margin_left = 1
+
+        padding_top = 40
+        padding_right = 8
+        padding_bottom = 8
+        padding_left = 8
+
+        padding_width = padding_left + padding_right
+        padding_height = padding_top + padding_bottom
+        margin_width = margin_left + margin_right
+        margin_height = margin_top + margin_bottom
+
+        text_backgrounds: List[str] = []
+        text_group: List[str] = []
+        classes: Dict[str, int] = {}
+        style_no = 1
+
+        def escape_text(text: str) -> str:
+            """HTML escape text and replace spaces with nbsp."""
+            return escape(text).replace(" ", "&#160;")
+
+        def make_tag(
+            name: str, content: Optional[str] = None, **attribs: object
+        ) -> str:
+            """Make a tag from name, content, and attributes."""
+
+            def stringify(value: object) -> str:
+                if isinstance(value, (float)):
+                    return format(value, "g")
+                return str(value)
+
+            tag_attribs = " ".join(
+                f'{k.lstrip("_").replace("_", "-")}="{stringify(v)}"'
+                for k, v in attribs.items()
+            )
+            return (
+                f"<{name} {tag_attribs}>{content}</{name}>"
+                if content
+                else f"<{name} {tag_attribs}/>"
+            )
+
+        with self._record_buffer_lock:
+            segments = list(Segment.filter_control(self._record_buffer))
+            if clear:
+                self._record_buffer.clear()
+
+        if unique_id is None:
+            unique_id = "terminal-" + str(
+                zlib.adler32(
+                    ("".join(repr(segment) for segment in segments)).encode(
+                        "utf-8",
+                        "ignore",
+                    )
+                    + title.encode("utf-8", "ignore")
+                )
+            )
+        y = 0
+        for y, line in enumerate(Segment.split_and_crop_lines(segments, length=width)):
+            x = 0
+            for text, style, _control in line:
+                style = style or Style()
+                rules = get_svg_style(style)
+                if rules not in classes:
+                    classes[rules] = style_no
+                    style_no += 1
+                class_name = f"r{classes[rules]}"
+
+                if style.reverse:
+                    has_background = True
+                    background = (
+                        _theme.foreground_color.hex
+                        if style.color is None
+                        else style.color.get_truecolor(_theme).hex
+                    )
+                else:
+                    bgcolor = style.bgcolor
+                    has_background = bgcolor is not None and not bgcolor.is_default
+                    background = (
+                        _theme.background_color.hex
+                        if style.bgcolor is None
+                        else style.bgcolor.get_truecolor(_theme).hex
+                    )
+
+                text_length = cell_len(text)
+                if has_background:
+                    text_backgrounds.append(
+                        make_tag(
+                            "rect",
+                            fill=background,
+                            x=x * char_width,
+                            y=y * line_height + 1.5,
+                            width=char_width * text_length,
+                            height=line_height + 0.25,
+                            shape_rendering="crispEdges",
+                        )
+                    )
+
+                if text != " " * len(text):
+                    text_group.append(
+                        make_tag(
+                            "text",
+                            escape_text(text),
+                            _class=f"{unique_id}-{class_name}",
+                            x=x * char_width,
+                            y=y * line_height + char_height,
+                            textLength=char_width * len(text),
+                            clip_path=f"url(#{unique_id}-line-{y})",
+                        )
+                    )
+                x += cell_len(text)
+
+        line_offsets = [line_no * line_height + 1.5 for line_no in range(y)]
+        lines = "\n".join(
+            f"""<clipPath id="{unique_id}-line-{line_no}">
+    {make_tag("rect", x=0, y=offset, width=char_width * width, height=line_height + 0.25)}
+            </clipPath>"""
+            for line_no, offset in enumerate(line_offsets)
+        )
+
+        styles = "\n".join(
+            f".{unique_id}-r{rule_no} {{ {css} }}" for css, rule_no in classes.items()
+        )
+        backgrounds = "".join(text_backgrounds)
+        matrix = "".join(text_group)
+
+        terminal_width = ceil(width * char_width + padding_width)
+        terminal_height = (y + 1) * line_height + padding_height
+        chrome = make_tag(
+            "rect",
+            fill=_theme.background_color.hex,
+            stroke="rgba(255,255,255,0.35)",
+            stroke_width="1",
+            x=margin_left,
+            y=margin_top,
+            width=terminal_width,
+            height=terminal_height,
+            rx=8,
+        )
+
+        title_color = _theme.foreground_color.hex
+        if title:
+            chrome += make_tag(
+                "text",
+                escape_text(title),
+                _class=f"{unique_id}-title",
+                fill=title_color,
+                text_anchor="middle",
+                x=terminal_width // 2,
+                y=margin_top + char_height + 6,
+            )
+        chrome += f"""
+            <g transform="translate(26,22)">
+            <circle cx="0" cy="0" r="7" fill="#ff5f57"/>
+            <circle cx="22" cy="0" r="7" fill="#febc2e"/>
+            <circle cx="44" cy="0" r="7" fill="#28c840"/>
+            </g>
+        """
+
+        svg = code_format.format(
+            unique_id=unique_id,
+            char_width=char_width,
+            char_height=char_height,
+            line_height=line_height,
+            terminal_width=char_width * width - 1,
+            terminal_height=(y + 1) * line_height - 1,
+            width=terminal_width + margin_width,
+            height=terminal_height + margin_height,
+            terminal_x=margin_left + padding_left,
+            terminal_y=margin_top + padding_top,
+            styles=styles,
+            chrome=chrome,
+            backgrounds=backgrounds,
+            matrix=matrix,
+            lines=lines,
+        )
+        return svg
+
+    def save_svg(
+        self,
+        path: str,
+        *,
+        title: str = "Rich",
+        theme: Optional[TerminalTheme] = None,
+        clear: bool = True,
+        code_format: str = CONSOLE_SVG_FORMAT,
+        font_aspect_ratio: float = 0.61,
+        unique_id: Optional[str] = None,
+    ) -> None:
+        """Generate an SVG file from the console contents (requires record=True in Console constructor).
+
+        Args:
+            path (str): The path to write the SVG to.
+            title (str, optional): The title of the tab in the output image
+            theme (TerminalTheme, optional): The ``TerminalTheme`` object to use to style the terminal
+            clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``
+            code_format (str, optional): Format string used to generate the SVG. Rich will inject a number of variables
+                into the string in order to form the final SVG output. The default template used and the variables
+                injected by Rich can be found by inspecting the ``console.CONSOLE_SVG_FORMAT`` variable.
+            font_aspect_ratio (float, optional): The width to height ratio of the font used in the ``code_format``
+                string. Defaults to 0.61, which is the width to height ratio of Fira Code (the default font).
+                If you aren't specifying a different font inside ``code_format``, you probably don't need this.
+            unique_id (str, optional): unique id that is used as the prefix for various elements (CSS styles, node
+                ids). If not set, this defaults to a computed value based on the recorded content.
+        """
+        svg = self.export_svg(
+            title=title,
+            theme=theme,
+            clear=clear,
+            code_format=code_format,
+            font_aspect_ratio=font_aspect_ratio,
+            unique_id=unique_id,
+        )
+        with open(path, "wt", encoding="utf-8") as write_file:
+            write_file.write(svg)
+
+
+def _svg_hash(svg_main_code: str) -> str:
+    """Returns a unique hash for the given SVG main code.
+
+    Args:
+        svg_main_code (str): The content we're going to inject in the SVG envelope.
+
+    Returns:
+        str: a hash of the given content
+    """
+    return str(zlib.adler32(svg_main_code.encode()))
+
+
+if __name__ == "__main__":  # pragma: no cover
+    console = Console(record=True)
+
+    console.log(
+        "JSONRPC [i]request[/i]",
+        5,
+        1.3,
+        True,
+        False,
+        None,
+        {
+            "jsonrpc": "2.0",
+            "method": "subtract",
+            "params": {"minuend": 42, "subtrahend": 23},
+            "id": 3,
+        },
+    )
+
+    console.log("Hello, World!", "{'a': 1}", repr(console))
+
+    console.print(
+        {
+            "name": None,
+            "empty": [],
+            "quiz": {
+                "sport": {
+                    "answered": True,
+                    "q1": {
+                        "question": "Which one is correct team name in NBA?",
+                        "options": [
+                            "New York Bulls",
+                            "Los Angeles Kings",
+                            "Golden State Warriors",
+                            "Huston Rocket",
+                        ],
+                        "answer": "Huston Rocket",
+                    },
+                },
+                "maths": {
+                    "answered": False,
+                    "q1": {
+                        "question": "5 + 7 = ?",
+                        "options": [10, 11, 12, 13],
+                        "answer": 12,
+                    },
+                    "q2": {
+                        "question": "12 - 8 = ?",
+                        "options": [1, 2, 3, 4],
+                        "answer": 4,
+                    },
+                },
+            },
+        }
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/constrain.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/constrain.py
new file mode 100644
index 00000000..65fdf563
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/constrain.py
@@ -0,0 +1,37 @@
+from typing import Optional, TYPE_CHECKING
+
+from .jupyter import JupyterMixin
+from .measure import Measurement
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType, RenderResult
+
+
+class Constrain(JupyterMixin):
+    """Constrain the width of a renderable to a given number of characters.
+
+    Args:
+        renderable (RenderableType): A renderable object.
+        width (int, optional): The maximum width (in characters) to render. Defaults to 80.
+    """
+
+    def __init__(self, renderable: "RenderableType", width: Optional[int] = 80) -> None:
+        self.renderable = renderable
+        self.width = width
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.width is None:
+            yield self.renderable
+        else:
+            child_options = options.update_width(min(self.width, options.max_width))
+            yield from console.render(self.renderable, child_options)
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        if self.width is not None:
+            options = options.update_width(self.width)
+        measurement = Measurement.get(console, options, self.renderable)
+        return measurement
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/containers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/containers.py
new file mode 100644
index 00000000..e29cf368
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/containers.py
@@ -0,0 +1,167 @@
+from itertools import zip_longest
+from typing import (
+    Iterator,
+    Iterable,
+    List,
+    Optional,
+    Union,
+    overload,
+    TypeVar,
+    TYPE_CHECKING,
+)
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        JustifyMethod,
+        OverflowMethod,
+        RenderResult,
+        RenderableType,
+    )
+    from .text import Text
+
+from .cells import cell_len
+from .measure import Measurement
+
+T = TypeVar("T")
+
+
+class Renderables:
+    """A list subclass which renders its contents to the console."""
+
+    def __init__(
+        self, renderables: Optional[Iterable["RenderableType"]] = None
+    ) -> None:
+        self._renderables: List["RenderableType"] = (
+            list(renderables) if renderables is not None else []
+        )
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        """Console render method to insert line-breaks."""
+        yield from self._renderables
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        dimensions = [
+            Measurement.get(console, options, renderable)
+            for renderable in self._renderables
+        ]
+        if not dimensions:
+            return Measurement(1, 1)
+        _min = max(dimension.minimum for dimension in dimensions)
+        _max = max(dimension.maximum for dimension in dimensions)
+        return Measurement(_min, _max)
+
+    def append(self, renderable: "RenderableType") -> None:
+        self._renderables.append(renderable)
+
+    def __iter__(self) -> Iterable["RenderableType"]:
+        return iter(self._renderables)
+
+
+class Lines:
+    """A list subclass which can render to the console."""
+
+    def __init__(self, lines: Iterable["Text"] = ()) -> None:
+        self._lines: List["Text"] = list(lines)
+
+    def __repr__(self) -> str:
+        return f"Lines({self._lines!r})"
+
+    def __iter__(self) -> Iterator["Text"]:
+        return iter(self._lines)
+
+    @overload
+    def __getitem__(self, index: int) -> "Text":
+        ...
+
+    @overload
+    def __getitem__(self, index: slice) -> List["Text"]:
+        ...
+
+    def __getitem__(self, index: Union[slice, int]) -> Union["Text", List["Text"]]:
+        return self._lines[index]
+
+    def __setitem__(self, index: int, value: "Text") -> "Lines":
+        self._lines[index] = value
+        return self
+
+    def __len__(self) -> int:
+        return self._lines.__len__()
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        """Console render method to insert line-breaks."""
+        yield from self._lines
+
+    def append(self, line: "Text") -> None:
+        self._lines.append(line)
+
+    def extend(self, lines: Iterable["Text"]) -> None:
+        self._lines.extend(lines)
+
+    def pop(self, index: int = -1) -> "Text":
+        return self._lines.pop(index)
+
+    def justify(
+        self,
+        console: "Console",
+        width: int,
+        justify: "JustifyMethod" = "left",
+        overflow: "OverflowMethod" = "fold",
+    ) -> None:
+        """Justify and overflow text to a given width.
+
+        Args:
+            console (Console): Console instance.
+            width (int): Number of characters per line.
+            justify (str, optional): Default justify method for text: "left", "center", "full" or "right". Defaults to "left".
+            overflow (str, optional): Default overflow for text: "crop", "fold", or "ellipsis". Defaults to "fold".
+
+        """
+        from .text import Text
+
+        if justify == "left":
+            for line in self._lines:
+                line.truncate(width, overflow=overflow, pad=True)
+        elif justify == "center":
+            for line in self._lines:
+                line.rstrip()
+                line.truncate(width, overflow=overflow)
+                line.pad_left((width - cell_len(line.plain)) // 2)
+                line.pad_right(width - cell_len(line.plain))
+        elif justify == "right":
+            for line in self._lines:
+                line.rstrip()
+                line.truncate(width, overflow=overflow)
+                line.pad_left(width - cell_len(line.plain))
+        elif justify == "full":
+            for line_index, line in enumerate(self._lines):
+                if line_index == len(self._lines) - 1:
+                    break
+                words = line.split(" ")
+                words_size = sum(cell_len(word.plain) for word in words)
+                num_spaces = len(words) - 1
+                spaces = [1 for _ in range(num_spaces)]
+                index = 0
+                if spaces:
+                    while words_size + num_spaces < width:
+                        spaces[len(spaces) - index - 1] += 1
+                        num_spaces += 1
+                        index = (index + 1) % len(spaces)
+                tokens: List[Text] = []
+                for index, (word, next_word) in enumerate(
+                    zip_longest(words, words[1:])
+                ):
+                    tokens.append(word)
+                    if index < len(spaces):
+                        style = word.get_style_at_offset(console, -1)
+                        next_style = next_word.get_style_at_offset(console, 0)
+                        space_style = style if style == next_style else line.style
+                        tokens.append(Text(" " * spaces[index], style=space_style))
+                self[line_index] = Text("").join(tokens)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/control.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/control.py
new file mode 100644
index 00000000..88fcb929
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/control.py
@@ -0,0 +1,225 @@
+import sys
+import time
+from typing import TYPE_CHECKING, Callable, Dict, Iterable, List, Union
+
+if sys.version_info >= (3, 8):
+    from typing import Final
+else:
+    from pip._vendor.typing_extensions import Final  # pragma: no cover
+
+from .segment import ControlCode, ControlType, Segment
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult
+
+STRIP_CONTROL_CODES: Final = [
+    7,  # Bell
+    8,  # Backspace
+    11,  # Vertical tab
+    12,  # Form feed
+    13,  # Carriage return
+]
+_CONTROL_STRIP_TRANSLATE: Final = {
+    _codepoint: None for _codepoint in STRIP_CONTROL_CODES
+}
+
+CONTROL_ESCAPE: Final = {
+    7: "\\a",
+    8: "\\b",
+    11: "\\v",
+    12: "\\f",
+    13: "\\r",
+}
+
+CONTROL_CODES_FORMAT: Dict[int, Callable[..., str]] = {
+    ControlType.BELL: lambda: "\x07",
+    ControlType.CARRIAGE_RETURN: lambda: "\r",
+    ControlType.HOME: lambda: "\x1b[H",
+    ControlType.CLEAR: lambda: "\x1b[2J",
+    ControlType.ENABLE_ALT_SCREEN: lambda: "\x1b[?1049h",
+    ControlType.DISABLE_ALT_SCREEN: lambda: "\x1b[?1049l",
+    ControlType.SHOW_CURSOR: lambda: "\x1b[?25h",
+    ControlType.HIDE_CURSOR: lambda: "\x1b[?25l",
+    ControlType.CURSOR_UP: lambda param: f"\x1b[{param}A",
+    ControlType.CURSOR_DOWN: lambda param: f"\x1b[{param}B",
+    ControlType.CURSOR_FORWARD: lambda param: f"\x1b[{param}C",
+    ControlType.CURSOR_BACKWARD: lambda param: f"\x1b[{param}D",
+    ControlType.CURSOR_MOVE_TO_COLUMN: lambda param: f"\x1b[{param+1}G",
+    ControlType.ERASE_IN_LINE: lambda param: f"\x1b[{param}K",
+    ControlType.CURSOR_MOVE_TO: lambda x, y: f"\x1b[{y+1};{x+1}H",
+    ControlType.SET_WINDOW_TITLE: lambda title: f"\x1b]0;{title}\x07",
+}
+
+
+class Control:
+    """A renderable that inserts a control code (non printable but may move cursor).
+
+    Args:
+        *codes (str): Positional arguments are either a :class:`~rich.segment.ControlType` enum or a
+            tuple of ControlType and an integer parameter
+    """
+
+    __slots__ = ["segment"]
+
+    def __init__(self, *codes: Union[ControlType, ControlCode]) -> None:
+        control_codes: List[ControlCode] = [
+            (code,) if isinstance(code, ControlType) else code for code in codes
+        ]
+        _format_map = CONTROL_CODES_FORMAT
+        rendered_codes = "".join(
+            _format_map[code](*parameters) for code, *parameters in control_codes
+        )
+        self.segment = Segment(rendered_codes, None, control_codes)
+
+    @classmethod
+    def bell(cls) -> "Control":
+        """Ring the 'bell'."""
+        return cls(ControlType.BELL)
+
+    @classmethod
+    def home(cls) -> "Control":
+        """Move cursor to 'home' position."""
+        return cls(ControlType.HOME)
+
+    @classmethod
+    def move(cls, x: int = 0, y: int = 0) -> "Control":
+        """Move cursor relative to current position.
+
+        Args:
+            x (int): X offset.
+            y (int): Y offset.
+
+        Returns:
+            ~Control: Control object.
+
+        """
+
+        def get_codes() -> Iterable[ControlCode]:
+            control = ControlType
+            if x:
+                yield (
+                    control.CURSOR_FORWARD if x > 0 else control.CURSOR_BACKWARD,
+                    abs(x),
+                )
+            if y:
+                yield (
+                    control.CURSOR_DOWN if y > 0 else control.CURSOR_UP,
+                    abs(y),
+                )
+
+        control = cls(*get_codes())
+        return control
+
+    @classmethod
+    def move_to_column(cls, x: int, y: int = 0) -> "Control":
+        """Move to the given column, optionally add offset to row.
+
+        Returns:
+            x (int): absolute x (column)
+            y (int): optional y offset (row)
+
+        Returns:
+            ~Control: Control object.
+        """
+
+        return (
+            cls(
+                (ControlType.CURSOR_MOVE_TO_COLUMN, x),
+                (
+                    ControlType.CURSOR_DOWN if y > 0 else ControlType.CURSOR_UP,
+                    abs(y),
+                ),
+            )
+            if y
+            else cls((ControlType.CURSOR_MOVE_TO_COLUMN, x))
+        )
+
+    @classmethod
+    def move_to(cls, x: int, y: int) -> "Control":
+        """Move cursor to absolute position.
+
+        Args:
+            x (int): x offset (column)
+            y (int): y offset (row)
+
+        Returns:
+            ~Control: Control object.
+        """
+        return cls((ControlType.CURSOR_MOVE_TO, x, y))
+
+    @classmethod
+    def clear(cls) -> "Control":
+        """Clear the screen."""
+        return cls(ControlType.CLEAR)
+
+    @classmethod
+    def show_cursor(cls, show: bool) -> "Control":
+        """Show or hide the cursor."""
+        return cls(ControlType.SHOW_CURSOR if show else ControlType.HIDE_CURSOR)
+
+    @classmethod
+    def alt_screen(cls, enable: bool) -> "Control":
+        """Enable or disable alt screen."""
+        if enable:
+            return cls(ControlType.ENABLE_ALT_SCREEN, ControlType.HOME)
+        else:
+            return cls(ControlType.DISABLE_ALT_SCREEN)
+
+    @classmethod
+    def title(cls, title: str) -> "Control":
+        """Set the terminal window title
+
+        Args:
+            title (str): The new terminal window title
+        """
+        return cls((ControlType.SET_WINDOW_TITLE, title))
+
+    def __str__(self) -> str:
+        return self.segment.text
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.segment.text:
+            yield self.segment
+
+
+def strip_control_codes(
+    text: str, _translate_table: Dict[int, None] = _CONTROL_STRIP_TRANSLATE
+) -> str:
+    """Remove control codes from text.
+
+    Args:
+        text (str): A string possibly contain control codes.
+
+    Returns:
+        str: String with control codes removed.
+    """
+    return text.translate(_translate_table)
+
+
+def escape_control_codes(
+    text: str,
+    _translate_table: Dict[int, str] = CONTROL_ESCAPE,
+) -> str:
+    """Replace control codes with their "escaped" equivalent in the given text.
+    (e.g. "\b" becomes "\\b")
+
+    Args:
+        text (str): A string possibly containing control codes.
+
+    Returns:
+        str: String with control codes replaced with their escaped version.
+    """
+    return text.translate(_translate_table)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+    console.print("Look at the title of your terminal window ^")
+    # console.print(Control((ControlType.SET_WINDOW_TITLE, "Hello, world!")))
+    for i in range(10):
+        console.set_window_title("🚀 Loading" + "." * i)
+        time.sleep(0.5)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/default_styles.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/default_styles.py
new file mode 100644
index 00000000..dca37193
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/default_styles.py
@@ -0,0 +1,190 @@
+from typing import Dict
+
+from .style import Style
+
+DEFAULT_STYLES: Dict[str, Style] = {
+    "none": Style.null(),
+    "reset": Style(
+        color="default",
+        bgcolor="default",
+        dim=False,
+        bold=False,
+        italic=False,
+        underline=False,
+        blink=False,
+        blink2=False,
+        reverse=False,
+        conceal=False,
+        strike=False,
+    ),
+    "dim": Style(dim=True),
+    "bright": Style(dim=False),
+    "bold": Style(bold=True),
+    "strong": Style(bold=True),
+    "code": Style(reverse=True, bold=True),
+    "italic": Style(italic=True),
+    "emphasize": Style(italic=True),
+    "underline": Style(underline=True),
+    "blink": Style(blink=True),
+    "blink2": Style(blink2=True),
+    "reverse": Style(reverse=True),
+    "strike": Style(strike=True),
+    "black": Style(color="black"),
+    "red": Style(color="red"),
+    "green": Style(color="green"),
+    "yellow": Style(color="yellow"),
+    "magenta": Style(color="magenta"),
+    "cyan": Style(color="cyan"),
+    "white": Style(color="white"),
+    "inspect.attr": Style(color="yellow", italic=True),
+    "inspect.attr.dunder": Style(color="yellow", italic=True, dim=True),
+    "inspect.callable": Style(bold=True, color="red"),
+    "inspect.async_def": Style(italic=True, color="bright_cyan"),
+    "inspect.def": Style(italic=True, color="bright_cyan"),
+    "inspect.class": Style(italic=True, color="bright_cyan"),
+    "inspect.error": Style(bold=True, color="red"),
+    "inspect.equals": Style(),
+    "inspect.help": Style(color="cyan"),
+    "inspect.doc": Style(dim=True),
+    "inspect.value.border": Style(color="green"),
+    "live.ellipsis": Style(bold=True, color="red"),
+    "layout.tree.row": Style(dim=False, color="red"),
+    "layout.tree.column": Style(dim=False, color="blue"),
+    "logging.keyword": Style(bold=True, color="yellow"),
+    "logging.level.notset": Style(dim=True),
+    "logging.level.debug": Style(color="green"),
+    "logging.level.info": Style(color="blue"),
+    "logging.level.warning": Style(color="red"),
+    "logging.level.error": Style(color="red", bold=True),
+    "logging.level.critical": Style(color="red", bold=True, reverse=True),
+    "log.level": Style.null(),
+    "log.time": Style(color="cyan", dim=True),
+    "log.message": Style.null(),
+    "log.path": Style(dim=True),
+    "repr.ellipsis": Style(color="yellow"),
+    "repr.indent": Style(color="green", dim=True),
+    "repr.error": Style(color="red", bold=True),
+    "repr.str": Style(color="green", italic=False, bold=False),
+    "repr.brace": Style(bold=True),
+    "repr.comma": Style(bold=True),
+    "repr.ipv4": Style(bold=True, color="bright_green"),
+    "repr.ipv6": Style(bold=True, color="bright_green"),
+    "repr.eui48": Style(bold=True, color="bright_green"),
+    "repr.eui64": Style(bold=True, color="bright_green"),
+    "repr.tag_start": Style(bold=True),
+    "repr.tag_name": Style(color="bright_magenta", bold=True),
+    "repr.tag_contents": Style(color="default"),
+    "repr.tag_end": Style(bold=True),
+    "repr.attrib_name": Style(color="yellow", italic=False),
+    "repr.attrib_equal": Style(bold=True),
+    "repr.attrib_value": Style(color="magenta", italic=False),
+    "repr.number": Style(color="cyan", bold=True, italic=False),
+    "repr.number_complex": Style(color="cyan", bold=True, italic=False),  # same
+    "repr.bool_true": Style(color="bright_green", italic=True),
+    "repr.bool_false": Style(color="bright_red", italic=True),
+    "repr.none": Style(color="magenta", italic=True),
+    "repr.url": Style(underline=True, color="bright_blue", italic=False, bold=False),
+    "repr.uuid": Style(color="bright_yellow", bold=False),
+    "repr.call": Style(color="magenta", bold=True),
+    "repr.path": Style(color="magenta"),
+    "repr.filename": Style(color="bright_magenta"),
+    "rule.line": Style(color="bright_green"),
+    "rule.text": Style.null(),
+    "json.brace": Style(bold=True),
+    "json.bool_true": Style(color="bright_green", italic=True),
+    "json.bool_false": Style(color="bright_red", italic=True),
+    "json.null": Style(color="magenta", italic=True),
+    "json.number": Style(color="cyan", bold=True, italic=False),
+    "json.str": Style(color="green", italic=False, bold=False),
+    "json.key": Style(color="blue", bold=True),
+    "prompt": Style.null(),
+    "prompt.choices": Style(color="magenta", bold=True),
+    "prompt.default": Style(color="cyan", bold=True),
+    "prompt.invalid": Style(color="red"),
+    "prompt.invalid.choice": Style(color="red"),
+    "pretty": Style.null(),
+    "scope.border": Style(color="blue"),
+    "scope.key": Style(color="yellow", italic=True),
+    "scope.key.special": Style(color="yellow", italic=True, dim=True),
+    "scope.equals": Style(color="red"),
+    "table.header": Style(bold=True),
+    "table.footer": Style(bold=True),
+    "table.cell": Style.null(),
+    "table.title": Style(italic=True),
+    "table.caption": Style(italic=True, dim=True),
+    "traceback.error": Style(color="red", italic=True),
+    "traceback.border.syntax_error": Style(color="bright_red"),
+    "traceback.border": Style(color="red"),
+    "traceback.text": Style.null(),
+    "traceback.title": Style(color="red", bold=True),
+    "traceback.exc_type": Style(color="bright_red", bold=True),
+    "traceback.exc_value": Style.null(),
+    "traceback.offset": Style(color="bright_red", bold=True),
+    "bar.back": Style(color="grey23"),
+    "bar.complete": Style(color="rgb(249,38,114)"),
+    "bar.finished": Style(color="rgb(114,156,31)"),
+    "bar.pulse": Style(color="rgb(249,38,114)"),
+    "progress.description": Style.null(),
+    "progress.filesize": Style(color="green"),
+    "progress.filesize.total": Style(color="green"),
+    "progress.download": Style(color="green"),
+    "progress.elapsed": Style(color="yellow"),
+    "progress.percentage": Style(color="magenta"),
+    "progress.remaining": Style(color="cyan"),
+    "progress.data.speed": Style(color="red"),
+    "progress.spinner": Style(color="green"),
+    "status.spinner": Style(color="green"),
+    "tree": Style(),
+    "tree.line": Style(),
+    "markdown.paragraph": Style(),
+    "markdown.text": Style(),
+    "markdown.em": Style(italic=True),
+    "markdown.emph": Style(italic=True),  # For commonmark backwards compatibility
+    "markdown.strong": Style(bold=True),
+    "markdown.code": Style(bold=True, color="cyan", bgcolor="black"),
+    "markdown.code_block": Style(color="cyan", bgcolor="black"),
+    "markdown.block_quote": Style(color="magenta"),
+    "markdown.list": Style(color="cyan"),
+    "markdown.item": Style(),
+    "markdown.item.bullet": Style(color="yellow", bold=True),
+    "markdown.item.number": Style(color="yellow", bold=True),
+    "markdown.hr": Style(color="yellow"),
+    "markdown.h1.border": Style(),
+    "markdown.h1": Style(bold=True),
+    "markdown.h2": Style(bold=True, underline=True),
+    "markdown.h3": Style(bold=True),
+    "markdown.h4": Style(bold=True, dim=True),
+    "markdown.h5": Style(underline=True),
+    "markdown.h6": Style(italic=True),
+    "markdown.h7": Style(italic=True, dim=True),
+    "markdown.link": Style(color="bright_blue"),
+    "markdown.link_url": Style(color="blue", underline=True),
+    "markdown.s": Style(strike=True),
+    "iso8601.date": Style(color="blue"),
+    "iso8601.time": Style(color="magenta"),
+    "iso8601.timezone": Style(color="yellow"),
+}
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import argparse
+    import io
+
+    from pip._vendor.rich.console import Console
+    from pip._vendor.rich.table import Table
+    from pip._vendor.rich.text import Text
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--html", action="store_true", help="Export as HTML table")
+    args = parser.parse_args()
+    html: bool = args.html
+    console = Console(record=True, width=70, file=io.StringIO()) if html else Console()
+
+    table = Table("Name", "Styling")
+
+    for style_name, style in DEFAULT_STYLES.items():
+        table.add_row(Text(style_name, style=style), str(style))
+
+    console.print(table)
+    if html:
+        print(console.export_html(inline_styles=True))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/diagnose.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/diagnose.py
new file mode 100644
index 00000000..ad361838
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/diagnose.py
@@ -0,0 +1,37 @@
+import os
+import platform
+
+from pip._vendor.rich import inspect
+from pip._vendor.rich.console import Console, get_windows_console_features
+from pip._vendor.rich.panel import Panel
+from pip._vendor.rich.pretty import Pretty
+
+
+def report() -> None:  # pragma: no cover
+    """Print a report to the terminal with debugging information"""
+    console = Console()
+    inspect(console)
+    features = get_windows_console_features()
+    inspect(features)
+
+    env_names = (
+        "TERM",
+        "COLORTERM",
+        "CLICOLOR",
+        "NO_COLOR",
+        "TERM_PROGRAM",
+        "COLUMNS",
+        "LINES",
+        "JUPYTER_COLUMNS",
+        "JUPYTER_LINES",
+        "JPY_PARENT_PID",
+        "VSCODE_VERBOSE_LOGGING",
+    )
+    env = {name: os.getenv(name) for name in env_names}
+    console.print(Panel.fit((Pretty(env)), title="[b]Environment Variables"))
+
+    console.print(f'platform="{platform.system()}"')
+
+
+if __name__ == "__main__":  # pragma: no cover
+    report()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/emoji.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/emoji.py
new file mode 100644
index 00000000..791f0465
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/emoji.py
@@ -0,0 +1,96 @@
+import sys
+from typing import TYPE_CHECKING, Optional, Union
+
+from .jupyter import JupyterMixin
+from .segment import Segment
+from .style import Style
+from ._emoji_codes import EMOJI
+from ._emoji_replace import _emoji_replace
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult
+
+
+EmojiVariant = Literal["emoji", "text"]
+
+
+class NoEmoji(Exception):
+    """No emoji by that name."""
+
+
+class Emoji(JupyterMixin):
+    __slots__ = ["name", "style", "_char", "variant"]
+
+    VARIANTS = {"text": "\uFE0E", "emoji": "\uFE0F"}
+
+    def __init__(
+        self,
+        name: str,
+        style: Union[str, Style] = "none",
+        variant: Optional[EmojiVariant] = None,
+    ) -> None:
+        """A single emoji character.
+
+        Args:
+            name (str): Name of emoji.
+            style (Union[str, Style], optional): Optional style. Defaults to None.
+
+        Raises:
+            NoEmoji: If the emoji doesn't exist.
+        """
+        self.name = name
+        self.style = style
+        self.variant = variant
+        try:
+            self._char = EMOJI[name]
+        except KeyError:
+            raise NoEmoji(f"No emoji called {name!r}")
+        if variant is not None:
+            self._char += self.VARIANTS.get(variant, "")
+
+    @classmethod
+    def replace(cls, text: str) -> str:
+        """Replace emoji markup with corresponding unicode characters.
+
+        Args:
+            text (str): A string with emojis codes, e.g. "Hello :smiley:!"
+
+        Returns:
+            str: A string with emoji codes replaces with actual emoji.
+        """
+        return _emoji_replace(text)
+
+    def __repr__(self) -> str:
+        return f"<emoji {self.name!r}>"
+
+    def __str__(self) -> str:
+        return self._char
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        yield Segment(self._char, console.get_style(self.style))
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sys
+
+    from pip._vendor.rich.columns import Columns
+    from pip._vendor.rich.console import Console
+
+    console = Console(record=True)
+
+    columns = Columns(
+        (f":{name}: {name}" for name in sorted(EMOJI.keys()) if "\u200D" not in name),
+        column_first=True,
+    )
+
+    console.print(columns)
+    if len(sys.argv) > 1:
+        console.save_html(sys.argv[1])
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/errors.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/errors.py
new file mode 100644
index 00000000..0bcbe53e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/errors.py
@@ -0,0 +1,34 @@
+class ConsoleError(Exception):
+    """An error in console operation."""
+
+
+class StyleError(Exception):
+    """An error in styles."""
+
+
+class StyleSyntaxError(ConsoleError):
+    """Style was badly formatted."""
+
+
+class MissingStyle(StyleError):
+    """No such style."""
+
+
+class StyleStackError(ConsoleError):
+    """Style stack is invalid."""
+
+
+class NotRenderableError(ConsoleError):
+    """Object is not renderable."""
+
+
+class MarkupError(ConsoleError):
+    """Markup was badly formatted."""
+
+
+class LiveError(ConsoleError):
+    """Error related to Live display."""
+
+
+class NoAltScreen(ConsoleError):
+    """Alt screen mode was required."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/file_proxy.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/file_proxy.py
new file mode 100644
index 00000000..4b0b0da6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/file_proxy.py
@@ -0,0 +1,57 @@
+import io
+from typing import IO, TYPE_CHECKING, Any, List
+
+from .ansi import AnsiDecoder
+from .text import Text
+
+if TYPE_CHECKING:
+    from .console import Console
+
+
+class FileProxy(io.TextIOBase):
+    """Wraps a file (e.g. sys.stdout) and redirects writes to a console."""
+
+    def __init__(self, console: "Console", file: IO[str]) -> None:
+        self.__console = console
+        self.__file = file
+        self.__buffer: List[str] = []
+        self.__ansi_decoder = AnsiDecoder()
+
+    @property
+    def rich_proxied_file(self) -> IO[str]:
+        """Get proxied file."""
+        return self.__file
+
+    def __getattr__(self, name: str) -> Any:
+        return getattr(self.__file, name)
+
+    def write(self, text: str) -> int:
+        if not isinstance(text, str):
+            raise TypeError(f"write() argument must be str, not {type(text).__name__}")
+        buffer = self.__buffer
+        lines: List[str] = []
+        while text:
+            line, new_line, text = text.partition("\n")
+            if new_line:
+                lines.append("".join(buffer) + line)
+                buffer.clear()
+            else:
+                buffer.append(line)
+                break
+        if lines:
+            console = self.__console
+            with console:
+                output = Text("\n").join(
+                    self.__ansi_decoder.decode_line(line) for line in lines
+                )
+                console.print(output)
+        return len(text)
+
+    def flush(self) -> None:
+        output = "".join(self.__buffer)
+        if output:
+            self.__console.print(output)
+        del self.__buffer[:]
+
+    def fileno(self) -> int:
+        return self.__file.fileno()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/filesize.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/filesize.py
new file mode 100644
index 00000000..99f118e2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/filesize.py
@@ -0,0 +1,89 @@
+# coding: utf-8
+"""Functions for reporting filesizes. Borrowed from https://github.com/PyFilesystem/pyfilesystem2
+
+The functions declared in this module should cover the different
+use cases needed to generate a string representation of a file size
+using several different units. Since there are many standards regarding
+file size units, three different functions have been implemented.
+
+See Also:
+    * `Wikipedia: Binary prefix <https://en.wikipedia.org/wiki/Binary_prefix>`_
+
+"""
+
+__all__ = ["decimal"]
+
+from typing import Iterable, List, Optional, Tuple
+
+
+def _to_str(
+    size: int,
+    suffixes: Iterable[str],
+    base: int,
+    *,
+    precision: Optional[int] = 1,
+    separator: Optional[str] = " ",
+) -> str:
+    if size == 1:
+        return "1 byte"
+    elif size < base:
+        return "{:,} bytes".format(size)
+
+    for i, suffix in enumerate(suffixes, 2):  # noqa: B007
+        unit = base**i
+        if size < unit:
+            break
+    return "{:,.{precision}f}{separator}{}".format(
+        (base * size / unit),
+        suffix,
+        precision=precision,
+        separator=separator,
+    )
+
+
+def pick_unit_and_suffix(size: int, suffixes: List[str], base: int) -> Tuple[int, str]:
+    """Pick a suffix and base for the given size."""
+    for i, suffix in enumerate(suffixes):
+        unit = base**i
+        if size < unit * base:
+            break
+    return unit, suffix
+
+
+def decimal(
+    size: int,
+    *,
+    precision: Optional[int] = 1,
+    separator: Optional[str] = " ",
+) -> str:
+    """Convert a filesize in to a string (powers of 1000, SI prefixes).
+
+    In this convention, ``1000 B = 1 kB``.
+
+    This is typically the format used to advertise the storage
+    capacity of USB flash drives and the like (*256 MB* meaning
+    actually a storage capacity of more than *256 000 000 B*),
+    or used by **Mac OS X** since v10.6 to report file sizes.
+
+    Arguments:
+        int (size): A file size.
+        int (precision): The number of decimal places to include (default = 1).
+        str (separator): The string to separate the value from the units (default = " ").
+
+    Returns:
+        `str`: A string containing a abbreviated file size and units.
+
+    Example:
+        >>> filesize.decimal(30000)
+        '30.0 kB'
+        >>> filesize.decimal(30000, precision=2, separator="")
+        '30.00kB'
+
+    """
+    return _to_str(
+        size,
+        ("kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"),
+        1000,
+        precision=precision,
+        separator=separator,
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/highlighter.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/highlighter.py
new file mode 100644
index 00000000..c2646794
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/highlighter.py
@@ -0,0 +1,232 @@
+import re
+from abc import ABC, abstractmethod
+from typing import List, Union
+
+from .text import Span, Text
+
+
+def _combine_regex(*regexes: str) -> str:
+    """Combine a number of regexes in to a single regex.
+
+    Returns:
+        str: New regex with all regexes ORed together.
+    """
+    return "|".join(regexes)
+
+
+class Highlighter(ABC):
+    """Abstract base class for highlighters."""
+
+    def __call__(self, text: Union[str, Text]) -> Text:
+        """Highlight a str or Text instance.
+
+        Args:
+            text (Union[str, ~Text]): Text to highlight.
+
+        Raises:
+            TypeError: If not called with text or str.
+
+        Returns:
+            Text: A test instance with highlighting applied.
+        """
+        if isinstance(text, str):
+            highlight_text = Text(text)
+        elif isinstance(text, Text):
+            highlight_text = text.copy()
+        else:
+            raise TypeError(f"str or Text instance required, not {text!r}")
+        self.highlight(highlight_text)
+        return highlight_text
+
+    @abstractmethod
+    def highlight(self, text: Text) -> None:
+        """Apply highlighting in place to text.
+
+        Args:
+            text (~Text): A text object highlight.
+        """
+
+
+class NullHighlighter(Highlighter):
+    """A highlighter object that doesn't highlight.
+
+    May be used to disable highlighting entirely.
+
+    """
+
+    def highlight(self, text: Text) -> None:
+        """Nothing to do"""
+
+
+class RegexHighlighter(Highlighter):
+    """Applies highlighting from a list of regular expressions."""
+
+    highlights: List[str] = []
+    base_style: str = ""
+
+    def highlight(self, text: Text) -> None:
+        """Highlight :class:`rich.text.Text` using regular expressions.
+
+        Args:
+            text (~Text): Text to highlighted.
+
+        """
+
+        highlight_regex = text.highlight_regex
+        for re_highlight in self.highlights:
+            highlight_regex(re_highlight, style_prefix=self.base_style)
+
+
+class ReprHighlighter(RegexHighlighter):
+    """Highlights the text typically produced from ``__repr__`` methods."""
+
+    base_style = "repr."
+    highlights = [
+        r"(?P<tag_start><)(?P<tag_name>[-\w.:|]*)(?P<tag_contents>[\w\W]*)(?P<tag_end>>)",
+        r'(?P<attrib_name>[\w_]{1,50})=(?P<attrib_value>"?[\w_]+"?)?',
+        r"(?P<brace>[][{}()])",
+        _combine_regex(
+            r"(?P<ipv4>[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})",
+            r"(?P<ipv6>([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4})",
+            r"(?P<eui64>(?:[0-9A-Fa-f]{1,2}-){7}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{1,2}:){7}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{4}\.){3}[0-9A-Fa-f]{4})",
+            r"(?P<eui48>(?:[0-9A-Fa-f]{1,2}-){5}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{1,2}:){5}[0-9A-Fa-f]{1,2}|(?:[0-9A-Fa-f]{4}\.){2}[0-9A-Fa-f]{4})",
+            r"(?P<uuid>[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12})",
+            r"(?P<call>[\w.]*?)\(",
+            r"\b(?P<bool_true>True)\b|\b(?P<bool_false>False)\b|\b(?P<none>None)\b",
+            r"(?P<ellipsis>\.\.\.)",
+            r"(?P<number_complex>(?<!\w)(?:\-?[0-9]+\.?[0-9]*(?:e[-+]?\d+?)?)(?:[-+](?:[0-9]+\.?[0-9]*(?:e[-+]?\d+)?))?j)",
+            r"(?P<number>(?<!\w)\-?[0-9]+\.?[0-9]*(e[-+]?\d+?)?\b|0x[0-9a-fA-F]*)",
+            r"(?P<path>\B(/[-\w._+]+)*\/)(?P<filename>[-\w._+]*)?",
+            r"(?<![\\\w])(?P<str>b?'''.*?(?<!\\)'''|b?'.*?(?<!\\)'|b?\"\"\".*?(?<!\\)\"\"\"|b?\".*?(?<!\\)\")",
+            r"(?P<url>(file|https|http|ws|wss)://[-0-9a-zA-Z$_+!`(),.?/;:&=%#]*)",
+        ),
+    ]
+
+
+class JSONHighlighter(RegexHighlighter):
+    """Highlights JSON"""
+
+    # Captures the start and end of JSON strings, handling escaped quotes
+    JSON_STR = r"(?<![\\\w])(?P<str>b?\".*?(?<!\\)\")"
+    JSON_WHITESPACE = {" ", "\n", "\r", "\t"}
+
+    base_style = "json."
+    highlights = [
+        _combine_regex(
+            r"(?P<brace>[\{\[\(\)\]\}])",
+            r"\b(?P<bool_true>true)\b|\b(?P<bool_false>false)\b|\b(?P<null>null)\b",
+            r"(?P<number>(?<!\w)\-?[0-9]+\.?[0-9]*(e[\-\+]?\d+?)?\b|0x[0-9a-fA-F]*)",
+            JSON_STR,
+        ),
+    ]
+
+    def highlight(self, text: Text) -> None:
+        super().highlight(text)
+
+        # Additional work to handle highlighting JSON keys
+        plain = text.plain
+        append = text.spans.append
+        whitespace = self.JSON_WHITESPACE
+        for match in re.finditer(self.JSON_STR, plain):
+            start, end = match.span()
+            cursor = end
+            while cursor < len(plain):
+                char = plain[cursor]
+                cursor += 1
+                if char == ":":
+                    append(Span(start, end, "json.key"))
+                elif char in whitespace:
+                    continue
+                break
+
+
+class ISO8601Highlighter(RegexHighlighter):
+    """Highlights the ISO8601 date time strings.
+    Regex reference: https://www.oreilly.com/library/view/regular-expressions-cookbook/9781449327453/ch04s07.html
+    """
+
+    base_style = "iso8601."
+    highlights = [
+        #
+        # Dates
+        #
+        # Calendar month (e.g. 2008-08). The hyphen is required
+        r"^(?P<year>[0-9]{4})-(?P<month>1[0-2]|0[1-9])$",
+        # Calendar date w/o hyphens (e.g. 20080830)
+        r"^(?P<date>(?P<year>[0-9]{4})(?P<month>1[0-2]|0[1-9])(?P<day>3[01]|0[1-9]|[12][0-9]))$",
+        # Ordinal date (e.g. 2008-243). The hyphen is optional
+        r"^(?P<date>(?P<year>[0-9]{4})-?(?P<day>36[0-6]|3[0-5][0-9]|[12][0-9]{2}|0[1-9][0-9]|00[1-9]))$",
+        #
+        # Weeks
+        #
+        # Week of the year (e.g., 2008-W35). The hyphen is optional
+        r"^(?P<date>(?P<year>[0-9]{4})-?W(?P<week>5[0-3]|[1-4][0-9]|0[1-9]))$",
+        # Week date (e.g., 2008-W35-6). The hyphens are optional
+        r"^(?P<date>(?P<year>[0-9]{4})-?W(?P<week>5[0-3]|[1-4][0-9]|0[1-9])-?(?P<day>[1-7]))$",
+        #
+        # Times
+        #
+        # Hours and minutes (e.g., 17:21). The colon is optional
+        r"^(?P<time>(?P<hour>2[0-3]|[01][0-9]):?(?P<minute>[0-5][0-9]))$",
+        # Hours, minutes, and seconds w/o colons (e.g., 172159)
+        r"^(?P<time>(?P<hour>2[0-3]|[01][0-9])(?P<minute>[0-5][0-9])(?P<second>[0-5][0-9]))$",
+        # Time zone designator (e.g., Z, +07 or +07:00). The colons and the minutes are optional
+        r"^(?P<timezone>(Z|[+-](?:2[0-3]|[01][0-9])(?::?(?:[0-5][0-9]))?))$",
+        # Hours, minutes, and seconds with time zone designator (e.g., 17:21:59+07:00).
+        # All the colons are optional. The minutes in the time zone designator are also optional
+        r"^(?P<time>(?P<hour>2[0-3]|[01][0-9])(?P<minute>[0-5][0-9])(?P<second>[0-5][0-9]))(?P<timezone>Z|[+-](?:2[0-3]|[01][0-9])(?::?(?:[0-5][0-9]))?)$",
+        #
+        # Date and Time
+        #
+        # Calendar date with hours, minutes, and seconds (e.g., 2008-08-30 17:21:59 or 20080830 172159).
+        # A space is required between the date and the time. The hyphens and colons are optional.
+        # This regex matches dates and times that specify some hyphens or colons but omit others.
+        # This does not follow ISO 8601
+        r"^(?P<date>(?P<year>[0-9]{4})(?P<hyphen>-)?(?P<month>1[0-2]|0[1-9])(?(hyphen)-)(?P<day>3[01]|0[1-9]|[12][0-9])) (?P<time>(?P<hour>2[0-3]|[01][0-9])(?(hyphen):)(?P<minute>[0-5][0-9])(?(hyphen):)(?P<second>[0-5][0-9]))$",
+        #
+        # XML Schema dates and times
+        #
+        # Date, with optional time zone (e.g., 2008-08-30 or 2008-08-30+07:00).
+        # Hyphens are required. This is the XML Schema 'date' type
+        r"^(?P<date>(?P<year>-?(?:[1-9][0-9]*)?[0-9]{4})-(?P<month>1[0-2]|0[1-9])-(?P<day>3[01]|0[1-9]|[12][0-9]))(?P<timezone>Z|[+-](?:2[0-3]|[01][0-9]):[0-5][0-9])?$",
+        # Time, with optional fractional seconds and time zone (e.g., 01:45:36 or 01:45:36.123+07:00).
+        # There is no limit on the number of digits for the fractional seconds. This is the XML Schema 'time' type
+        r"^(?P<time>(?P<hour>2[0-3]|[01][0-9]):(?P<minute>[0-5][0-9]):(?P<second>[0-5][0-9])(?P<frac>\.[0-9]+)?)(?P<timezone>Z|[+-](?:2[0-3]|[01][0-9]):[0-5][0-9])?$",
+        # Date and time, with optional fractional seconds and time zone (e.g., 2008-08-30T01:45:36 or 2008-08-30T01:45:36.123Z).
+        # This is the XML Schema 'dateTime' type
+        r"^(?P<date>(?P<year>-?(?:[1-9][0-9]*)?[0-9]{4})-(?P<month>1[0-2]|0[1-9])-(?P<day>3[01]|0[1-9]|[12][0-9]))T(?P<time>(?P<hour>2[0-3]|[01][0-9]):(?P<minute>[0-5][0-9]):(?P<second>[0-5][0-9])(?P<ms>\.[0-9]+)?)(?P<timezone>Z|[+-](?:2[0-3]|[01][0-9]):[0-5][0-9])?$",
+    ]
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .console import Console
+
+    console = Console()
+    console.print("[bold green]hello world![/bold green]")
+    console.print("'[bold green]hello world![/bold green]'")
+
+    console.print(" /foo")
+    console.print("/foo/")
+    console.print("/foo/bar")
+    console.print("foo/bar/baz")
+
+    console.print("/foo/bar/baz?foo=bar+egg&egg=baz")
+    console.print("/foo/bar/baz/")
+    console.print("/foo/bar/baz/egg")
+    console.print("/foo/bar/baz/egg.py")
+    console.print("/foo/bar/baz/egg.py word")
+    console.print(" /foo/bar/baz/egg.py word")
+    console.print("foo /foo/bar/baz/egg.py word")
+    console.print("foo /foo/bar/ba._++z/egg+.py word")
+    console.print("https://example.org?foo=bar#header")
+
+    console.print(1234567.34)
+    console.print(1 / 2)
+    console.print(-1 / 123123123123)
+
+    console.print(
+        "127.0.1.1 bar 192.168.1.4 2001:0db8:85a3:0000:0000:8a2e:0370:7334 foo"
+    )
+    import json
+
+    console.print_json(json.dumps(obj={"name": "apple", "count": 1}), indent=None)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/json.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/json.py
new file mode 100644
index 00000000..ea94493f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/json.py
@@ -0,0 +1,140 @@
+from pathlib import Path
+from json import loads, dumps
+from typing import Any, Callable, Optional, Union
+
+from .text import Text
+from .highlighter import JSONHighlighter, NullHighlighter
+
+
+class JSON:
+    """A renderable which pretty prints JSON.
+
+    Args:
+        json (str): JSON encoded data.
+        indent (Union[None, int, str], optional): Number of characters to indent by. Defaults to 2.
+        highlight (bool, optional): Enable highlighting. Defaults to True.
+        skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+        ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+        check_circular (bool, optional): Check for circular references. Defaults to True.
+        allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+        default (Callable, optional): A callable that converts values that can not be encoded
+            in to something that can be JSON encoded. Defaults to None.
+        sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+    """
+
+    def __init__(
+        self,
+        json: str,
+        indent: Union[None, int, str] = 2,
+        highlight: bool = True,
+        skip_keys: bool = False,
+        ensure_ascii: bool = False,
+        check_circular: bool = True,
+        allow_nan: bool = True,
+        default: Optional[Callable[[Any], Any]] = None,
+        sort_keys: bool = False,
+    ) -> None:
+        data = loads(json)
+        json = dumps(
+            data,
+            indent=indent,
+            skipkeys=skip_keys,
+            ensure_ascii=ensure_ascii,
+            check_circular=check_circular,
+            allow_nan=allow_nan,
+            default=default,
+            sort_keys=sort_keys,
+        )
+        highlighter = JSONHighlighter() if highlight else NullHighlighter()
+        self.text = highlighter(json)
+        self.text.no_wrap = True
+        self.text.overflow = None
+
+    @classmethod
+    def from_data(
+        cls,
+        data: Any,
+        indent: Union[None, int, str] = 2,
+        highlight: bool = True,
+        skip_keys: bool = False,
+        ensure_ascii: bool = False,
+        check_circular: bool = True,
+        allow_nan: bool = True,
+        default: Optional[Callable[[Any], Any]] = None,
+        sort_keys: bool = False,
+    ) -> "JSON":
+        """Encodes a JSON object from arbitrary data.
+
+        Args:
+            data (Any): An object that may be encoded in to JSON
+            indent (Union[None, int, str], optional): Number of characters to indent by. Defaults to 2.
+            highlight (bool, optional): Enable highlighting. Defaults to True.
+            default (Callable, optional): Optional callable which will be called for objects that cannot be serialized. Defaults to None.
+            skip_keys (bool, optional): Skip keys not of a basic type. Defaults to False.
+            ensure_ascii (bool, optional): Escape all non-ascii characters. Defaults to False.
+            check_circular (bool, optional): Check for circular references. Defaults to True.
+            allow_nan (bool, optional): Allow NaN and Infinity values. Defaults to True.
+            default (Callable, optional): A callable that converts values that can not be encoded
+                in to something that can be JSON encoded. Defaults to None.
+            sort_keys (bool, optional): Sort dictionary keys. Defaults to False.
+
+        Returns:
+            JSON: New JSON object from the given data.
+        """
+        json_instance: "JSON" = cls.__new__(cls)
+        json = dumps(
+            data,
+            indent=indent,
+            skipkeys=skip_keys,
+            ensure_ascii=ensure_ascii,
+            check_circular=check_circular,
+            allow_nan=allow_nan,
+            default=default,
+            sort_keys=sort_keys,
+        )
+        highlighter = JSONHighlighter() if highlight else NullHighlighter()
+        json_instance.text = highlighter(json)
+        json_instance.text.no_wrap = True
+        json_instance.text.overflow = None
+        return json_instance
+
+    def __rich__(self) -> Text:
+        return self.text
+
+
+if __name__ == "__main__":
+
+    import argparse
+    import sys
+
+    parser = argparse.ArgumentParser(description="Pretty print json")
+    parser.add_argument(
+        "path",
+        metavar="PATH",
+        help="path to file, or - for stdin",
+    )
+    parser.add_argument(
+        "-i",
+        "--indent",
+        metavar="SPACES",
+        type=int,
+        help="Number of spaces in an indent",
+        default=2,
+    )
+    args = parser.parse_args()
+
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+    error_console = Console(stderr=True)
+
+    try:
+        if args.path == "-":
+            json_data = sys.stdin.read()
+        else:
+            json_data = Path(args.path).read_text()
+    except Exception as error:
+        error_console.print(f"Unable to read {args.path!r}; {error}")
+        sys.exit(-1)
+
+    console.print(JSON(json_data, indent=args.indent), soft_wrap=True)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/jupyter.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/jupyter.py
new file mode 100644
index 00000000..22f4d716
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/jupyter.py
@@ -0,0 +1,101 @@
+from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Sequence
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.console import ConsoleRenderable
+
+from . import get_console
+from .segment import Segment
+from .terminal_theme import DEFAULT_TERMINAL_THEME
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.console import ConsoleRenderable
+
+JUPYTER_HTML_FORMAT = """\
+<pre style="white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace">{code}</pre>
+"""
+
+
+class JupyterRenderable:
+    """A shim to write html to Jupyter notebook."""
+
+    def __init__(self, html: str, text: str) -> None:
+        self.html = html
+        self.text = text
+
+    def _repr_mimebundle_(
+        self, include: Sequence[str], exclude: Sequence[str], **kwargs: Any
+    ) -> Dict[str, str]:
+        data = {"text/plain": self.text, "text/html": self.html}
+        if include:
+            data = {k: v for (k, v) in data.items() if k in include}
+        if exclude:
+            data = {k: v for (k, v) in data.items() if k not in exclude}
+        return data
+
+
+class JupyterMixin:
+    """Add to an Rich renderable to make it render in Jupyter notebook."""
+
+    __slots__ = ()
+
+    def _repr_mimebundle_(
+        self: "ConsoleRenderable",
+        include: Sequence[str],
+        exclude: Sequence[str],
+        **kwargs: Any,
+    ) -> Dict[str, str]:
+        console = get_console()
+        segments = list(console.render(self, console.options))
+        html = _render_segments(segments)
+        text = console._render_buffer(segments)
+        data = {"text/plain": text, "text/html": html}
+        if include:
+            data = {k: v for (k, v) in data.items() if k in include}
+        if exclude:
+            data = {k: v for (k, v) in data.items() if k not in exclude}
+        return data
+
+
+def _render_segments(segments: Iterable[Segment]) -> str:
+    def escape(text: str) -> str:
+        """Escape html."""
+        return text.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
+
+    fragments: List[str] = []
+    append_fragment = fragments.append
+    theme = DEFAULT_TERMINAL_THEME
+    for text, style, control in Segment.simplify(segments):
+        if control:
+            continue
+        text = escape(text)
+        if style:
+            rule = style.get_html_style(theme)
+            text = f'<span style="{rule}">{text}</span>' if rule else text
+            if style.link:
+                text = f'<a href="{style.link}" target="_blank">{text}</a>'
+        append_fragment(text)
+
+    code = "".join(fragments)
+    html = JUPYTER_HTML_FORMAT.format(code=code)
+
+    return html
+
+
+def display(segments: Iterable[Segment], text: str) -> None:
+    """Render segments to Jupyter."""
+    html = _render_segments(segments)
+    jupyter_renderable = JupyterRenderable(html, text)
+    try:
+        from IPython.display import display as ipython_display
+
+        ipython_display(jupyter_renderable)
+    except ModuleNotFoundError:
+        # Handle the case where the Console has force_jupyter=True,
+        # but IPython is not installed.
+        pass
+
+
+def print(*args: Any, **kwargs: Any) -> None:
+    """Proxy for Console print."""
+    console = get_console()
+    return console.print(*args, **kwargs)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/layout.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/layout.py
new file mode 100644
index 00000000..849356ea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/layout.py
@@ -0,0 +1,443 @@
+from abc import ABC, abstractmethod
+from itertools import islice
+from operator import itemgetter
+from threading import RLock
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+)
+
+from ._ratio import ratio_resolve
+from .align import Align
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .highlighter import ReprHighlighter
+from .panel import Panel
+from .pretty import Pretty
+from .region import Region
+from .repr import Result, rich_repr
+from .segment import Segment
+from .style import StyleType
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.tree import Tree
+
+
+class LayoutRender(NamedTuple):
+    """An individual layout render."""
+
+    region: Region
+    render: List[List[Segment]]
+
+
+RegionMap = Dict["Layout", Region]
+RenderMap = Dict["Layout", LayoutRender]
+
+
+class LayoutError(Exception):
+    """Layout related error."""
+
+
+class NoSplitter(LayoutError):
+    """Requested splitter does not exist."""
+
+
+class _Placeholder:
+    """An internal renderable used as a Layout placeholder."""
+
+    highlighter = ReprHighlighter()
+
+    def __init__(self, layout: "Layout", style: StyleType = "") -> None:
+        self.layout = layout
+        self.style = style
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        width = options.max_width
+        height = options.height or options.size.height
+        layout = self.layout
+        title = (
+            f"{layout.name!r} ({width} x {height})"
+            if layout.name
+            else f"({width} x {height})"
+        )
+        yield Panel(
+            Align.center(Pretty(layout), vertical="middle"),
+            style=self.style,
+            title=self.highlighter(title),
+            border_style="blue",
+            height=height,
+        )
+
+
+class Splitter(ABC):
+    """Base class for a splitter."""
+
+    name: str = ""
+
+    @abstractmethod
+    def get_tree_icon(self) -> str:
+        """Get the icon (emoji) used in layout.tree"""
+
+    @abstractmethod
+    def divide(
+        self, children: Sequence["Layout"], region: Region
+    ) -> Iterable[Tuple["Layout", Region]]:
+        """Divide a region amongst several child layouts.
+
+        Args:
+            children (Sequence(Layout)): A number of child layouts.
+            region (Region): A rectangular region to divide.
+        """
+
+
+class RowSplitter(Splitter):
+    """Split a layout region in to rows."""
+
+    name = "row"
+
+    def get_tree_icon(self) -> str:
+        return "[layout.tree.row]⬌"
+
+    def divide(
+        self, children: Sequence["Layout"], region: Region
+    ) -> Iterable[Tuple["Layout", Region]]:
+        x, y, width, height = region
+        render_widths = ratio_resolve(width, children)
+        offset = 0
+        _Region = Region
+        for child, child_width in zip(children, render_widths):
+            yield child, _Region(x + offset, y, child_width, height)
+            offset += child_width
+
+
+class ColumnSplitter(Splitter):
+    """Split a layout region in to columns."""
+
+    name = "column"
+
+    def get_tree_icon(self) -> str:
+        return "[layout.tree.column]⬍"
+
+    def divide(
+        self, children: Sequence["Layout"], region: Region
+    ) -> Iterable[Tuple["Layout", Region]]:
+        x, y, width, height = region
+        render_heights = ratio_resolve(height, children)
+        offset = 0
+        _Region = Region
+        for child, child_height in zip(children, render_heights):
+            yield child, _Region(x, y + offset, width, child_height)
+            offset += child_height
+
+
+@rich_repr
+class Layout:
+    """A renderable to divide a fixed height in to rows or columns.
+
+    Args:
+        renderable (RenderableType, optional): Renderable content, or None for placeholder. Defaults to None.
+        name (str, optional): Optional identifier for Layout. Defaults to None.
+        size (int, optional): Optional fixed size of layout. Defaults to None.
+        minimum_size (int, optional): Minimum size of layout. Defaults to 1.
+        ratio (int, optional): Optional ratio for flexible layout. Defaults to 1.
+        visible (bool, optional): Visibility of layout. Defaults to True.
+    """
+
+    splitters = {"row": RowSplitter, "column": ColumnSplitter}
+
+    def __init__(
+        self,
+        renderable: Optional[RenderableType] = None,
+        *,
+        name: Optional[str] = None,
+        size: Optional[int] = None,
+        minimum_size: int = 1,
+        ratio: int = 1,
+        visible: bool = True,
+    ) -> None:
+        self._renderable = renderable or _Placeholder(self)
+        self.size = size
+        self.minimum_size = minimum_size
+        self.ratio = ratio
+        self.name = name
+        self.visible = visible
+        self.splitter: Splitter = self.splitters["column"]()
+        self._children: List[Layout] = []
+        self._render_map: RenderMap = {}
+        self._lock = RLock()
+
+    def __rich_repr__(self) -> Result:
+        yield "name", self.name, None
+        yield "size", self.size, None
+        yield "minimum_size", self.minimum_size, 1
+        yield "ratio", self.ratio, 1
+
+    @property
+    def renderable(self) -> RenderableType:
+        """Layout renderable."""
+        return self if self._children else self._renderable
+
+    @property
+    def children(self) -> List["Layout"]:
+        """Gets (visible) layout children."""
+        return [child for child in self._children if child.visible]
+
+    @property
+    def map(self) -> RenderMap:
+        """Get a map of the last render."""
+        return self._render_map
+
+    def get(self, name: str) -> Optional["Layout"]:
+        """Get a named layout, or None if it doesn't exist.
+
+        Args:
+            name (str): Name of layout.
+
+        Returns:
+            Optional[Layout]: Layout instance or None if no layout was found.
+        """
+        if self.name == name:
+            return self
+        else:
+            for child in self._children:
+                named_layout = child.get(name)
+                if named_layout is not None:
+                    return named_layout
+        return None
+
+    def __getitem__(self, name: str) -> "Layout":
+        layout = self.get(name)
+        if layout is None:
+            raise KeyError(f"No layout with name {name!r}")
+        return layout
+
+    @property
+    def tree(self) -> "Tree":
+        """Get a tree renderable to show layout structure."""
+        from pip._vendor.rich.styled import Styled
+        from pip._vendor.rich.table import Table
+        from pip._vendor.rich.tree import Tree
+
+        def summary(layout: "Layout") -> Table:
+
+            icon = layout.splitter.get_tree_icon()
+
+            table = Table.grid(padding=(0, 1, 0, 0))
+
+            text: RenderableType = (
+                Pretty(layout) if layout.visible else Styled(Pretty(layout), "dim")
+            )
+            table.add_row(icon, text)
+            _summary = table
+            return _summary
+
+        layout = self
+        tree = Tree(
+            summary(layout),
+            guide_style=f"layout.tree.{layout.splitter.name}",
+            highlight=True,
+        )
+
+        def recurse(tree: "Tree", layout: "Layout") -> None:
+            for child in layout._children:
+                recurse(
+                    tree.add(
+                        summary(child),
+                        guide_style=f"layout.tree.{child.splitter.name}",
+                    ),
+                    child,
+                )
+
+        recurse(tree, self)
+        return tree
+
+    def split(
+        self,
+        *layouts: Union["Layout", RenderableType],
+        splitter: Union[Splitter, str] = "column",
+    ) -> None:
+        """Split the layout in to multiple sub-layouts.
+
+        Args:
+            *layouts (Layout): Positional arguments should be (sub) Layout instances.
+            splitter (Union[Splitter, str]): Splitter instance or name of splitter.
+        """
+        _layouts = [
+            layout if isinstance(layout, Layout) else Layout(layout)
+            for layout in layouts
+        ]
+        try:
+            self.splitter = (
+                splitter
+                if isinstance(splitter, Splitter)
+                else self.splitters[splitter]()
+            )
+        except KeyError:
+            raise NoSplitter(f"No splitter called {splitter!r}")
+        self._children[:] = _layouts
+
+    def add_split(self, *layouts: Union["Layout", RenderableType]) -> None:
+        """Add a new layout(s) to existing split.
+
+        Args:
+            *layouts (Union[Layout, RenderableType]): Positional arguments should be renderables or (sub) Layout instances.
+
+        """
+        _layouts = (
+            layout if isinstance(layout, Layout) else Layout(layout)
+            for layout in layouts
+        )
+        self._children.extend(_layouts)
+
+    def split_row(self, *layouts: Union["Layout", RenderableType]) -> None:
+        """Split the layout in to a row (layouts side by side).
+
+        Args:
+            *layouts (Layout): Positional arguments should be (sub) Layout instances.
+        """
+        self.split(*layouts, splitter="row")
+
+    def split_column(self, *layouts: Union["Layout", RenderableType]) -> None:
+        """Split the layout in to a column (layouts stacked on top of each other).
+
+        Args:
+            *layouts (Layout): Positional arguments should be (sub) Layout instances.
+        """
+        self.split(*layouts, splitter="column")
+
+    def unsplit(self) -> None:
+        """Reset splits to initial state."""
+        del self._children[:]
+
+    def update(self, renderable: RenderableType) -> None:
+        """Update renderable.
+
+        Args:
+            renderable (RenderableType): New renderable object.
+        """
+        with self._lock:
+            self._renderable = renderable
+
+    def refresh_screen(self, console: "Console", layout_name: str) -> None:
+        """Refresh a sub-layout.
+
+        Args:
+            console (Console): Console instance where Layout is to be rendered.
+            layout_name (str): Name of layout.
+        """
+        with self._lock:
+            layout = self[layout_name]
+            region, _lines = self._render_map[layout]
+            (x, y, width, height) = region
+            lines = console.render_lines(
+                layout, console.options.update_dimensions(width, height)
+            )
+            self._render_map[layout] = LayoutRender(region, lines)
+            console.update_screen_lines(lines, x, y)
+
+    def _make_region_map(self, width: int, height: int) -> RegionMap:
+        """Create a dict that maps layout on to Region."""
+        stack: List[Tuple[Layout, Region]] = [(self, Region(0, 0, width, height))]
+        push = stack.append
+        pop = stack.pop
+        layout_regions: List[Tuple[Layout, Region]] = []
+        append_layout_region = layout_regions.append
+        while stack:
+            append_layout_region(pop())
+            layout, region = layout_regions[-1]
+            children = layout.children
+            if children:
+                for child_and_region in layout.splitter.divide(children, region):
+                    push(child_and_region)
+
+        region_map = {
+            layout: region
+            for layout, region in sorted(layout_regions, key=itemgetter(1))
+        }
+        return region_map
+
+    def render(self, console: Console, options: ConsoleOptions) -> RenderMap:
+        """Render the sub_layouts.
+
+        Args:
+            console (Console): Console instance.
+            options (ConsoleOptions): Console options.
+
+        Returns:
+            RenderMap: A dict that maps Layout on to a tuple of Region, lines
+        """
+        render_width = options.max_width
+        render_height = options.height or console.height
+        region_map = self._make_region_map(render_width, render_height)
+        layout_regions = [
+            (layout, region)
+            for layout, region in region_map.items()
+            if not layout.children
+        ]
+        render_map: Dict["Layout", "LayoutRender"] = {}
+        render_lines = console.render_lines
+        update_dimensions = options.update_dimensions
+
+        for layout, region in layout_regions:
+            lines = render_lines(
+                layout.renderable, update_dimensions(region.width, region.height)
+            )
+            render_map[layout] = LayoutRender(region, lines)
+        return render_map
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        with self._lock:
+            width = options.max_width or console.width
+            height = options.height or console.height
+            render_map = self.render(console, options.update_dimensions(width, height))
+            self._render_map = render_map
+            layout_lines: List[List[Segment]] = [[] for _ in range(height)]
+            _islice = islice
+            for (region, lines) in render_map.values():
+                _x, y, _layout_width, layout_height = region
+                for row, line in zip(
+                    _islice(layout_lines, y, y + layout_height), lines
+                ):
+                    row.extend(line)
+
+            new_line = Segment.line()
+            for layout_row in layout_lines:
+                yield from layout_row
+                yield new_line
+
+
+if __name__ == "__main__":
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+    layout = Layout()
+
+    layout.split_column(
+        Layout(name="header", size=3),
+        Layout(ratio=1, name="main"),
+        Layout(size=10, name="footer"),
+    )
+
+    layout["main"].split_row(Layout(name="side"), Layout(name="body", ratio=2))
+
+    layout["body"].split_row(Layout(name="content", ratio=2), Layout(name="s2"))
+
+    layout["s2"].split_column(
+        Layout(name="top"), Layout(name="middle"), Layout(name="bottom")
+    )
+
+    layout["side"].split_column(Layout(layout.tree, name="left1"), Layout(name="left2"))
+
+    layout["content"].update("foo")
+
+    console.print(layout)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/live.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/live.py
new file mode 100644
index 00000000..3ebbbc4c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/live.py
@@ -0,0 +1,375 @@
+import sys
+from threading import Event, RLock, Thread
+from types import TracebackType
+from typing import IO, Any, Callable, List, Optional, TextIO, Type, cast
+
+from . import get_console
+from .console import Console, ConsoleRenderable, RenderableType, RenderHook
+from .control import Control
+from .file_proxy import FileProxy
+from .jupyter import JupyterMixin
+from .live_render import LiveRender, VerticalOverflowMethod
+from .screen import Screen
+from .text import Text
+
+
+class _RefreshThread(Thread):
+    """A thread that calls refresh() at regular intervals."""
+
+    def __init__(self, live: "Live", refresh_per_second: float) -> None:
+        self.live = live
+        self.refresh_per_second = refresh_per_second
+        self.done = Event()
+        super().__init__(daemon=True)
+
+    def stop(self) -> None:
+        self.done.set()
+
+    def run(self) -> None:
+        while not self.done.wait(1 / self.refresh_per_second):
+            with self.live._lock:
+                if not self.done.is_set():
+                    self.live.refresh()
+
+
+class Live(JupyterMixin, RenderHook):
+    """Renders an auto-updating live display of any given renderable.
+
+    Args:
+        renderable (RenderableType, optional): The renderable to live display. Defaults to displaying nothing.
+        console (Console, optional): Optional Console instance. Default will an internal Console instance writing to stdout.
+        screen (bool, optional): Enable alternate screen mode. Defaults to False.
+        auto_refresh (bool, optional): Enable auto refresh. If disabled, you will need to call `refresh()` or `update()` with refresh flag. Defaults to True
+        refresh_per_second (float, optional): Number of times per second to refresh the live display. Defaults to 4.
+        transient (bool, optional): Clear the renderable on exit (has no effect when screen=True). Defaults to False.
+        redirect_stdout (bool, optional): Enable redirection of stdout, so ``print`` may be used. Defaults to True.
+        redirect_stderr (bool, optional): Enable redirection of stderr. Defaults to True.
+        vertical_overflow (VerticalOverflowMethod, optional): How to handle renderable when it is too tall for the console. Defaults to "ellipsis".
+        get_renderable (Callable[[], RenderableType], optional): Optional callable to get renderable. Defaults to None.
+    """
+
+    def __init__(
+        self,
+        renderable: Optional[RenderableType] = None,
+        *,
+        console: Optional[Console] = None,
+        screen: bool = False,
+        auto_refresh: bool = True,
+        refresh_per_second: float = 4,
+        transient: bool = False,
+        redirect_stdout: bool = True,
+        redirect_stderr: bool = True,
+        vertical_overflow: VerticalOverflowMethod = "ellipsis",
+        get_renderable: Optional[Callable[[], RenderableType]] = None,
+    ) -> None:
+        assert refresh_per_second > 0, "refresh_per_second must be > 0"
+        self._renderable = renderable
+        self.console = console if console is not None else get_console()
+        self._screen = screen
+        self._alt_screen = False
+
+        self._redirect_stdout = redirect_stdout
+        self._redirect_stderr = redirect_stderr
+        self._restore_stdout: Optional[IO[str]] = None
+        self._restore_stderr: Optional[IO[str]] = None
+
+        self._lock = RLock()
+        self.ipy_widget: Optional[Any] = None
+        self.auto_refresh = auto_refresh
+        self._started: bool = False
+        self.transient = True if screen else transient
+
+        self._refresh_thread: Optional[_RefreshThread] = None
+        self.refresh_per_second = refresh_per_second
+
+        self.vertical_overflow = vertical_overflow
+        self._get_renderable = get_renderable
+        self._live_render = LiveRender(
+            self.get_renderable(), vertical_overflow=vertical_overflow
+        )
+
+    @property
+    def is_started(self) -> bool:
+        """Check if live display has been started."""
+        return self._started
+
+    def get_renderable(self) -> RenderableType:
+        renderable = (
+            self._get_renderable()
+            if self._get_renderable is not None
+            else self._renderable
+        )
+        return renderable or ""
+
+    def start(self, refresh: bool = False) -> None:
+        """Start live rendering display.
+
+        Args:
+            refresh (bool, optional): Also refresh. Defaults to False.
+        """
+        with self._lock:
+            if self._started:
+                return
+            self.console.set_live(self)
+            self._started = True
+            if self._screen:
+                self._alt_screen = self.console.set_alt_screen(True)
+            self.console.show_cursor(False)
+            self._enable_redirect_io()
+            self.console.push_render_hook(self)
+            if refresh:
+                try:
+                    self.refresh()
+                except Exception:
+                    # If refresh fails, we want to stop the redirection of sys.stderr,
+                    # so the error stacktrace is properly displayed in the terminal.
+                    # (or, if the code that calls Rich captures the exception and wants to display something,
+                    # let this be displayed in the terminal).
+                    self.stop()
+                    raise
+            if self.auto_refresh:
+                self._refresh_thread = _RefreshThread(self, self.refresh_per_second)
+                self._refresh_thread.start()
+
+    def stop(self) -> None:
+        """Stop live rendering display."""
+        with self._lock:
+            if not self._started:
+                return
+            self.console.clear_live()
+            self._started = False
+
+            if self.auto_refresh and self._refresh_thread is not None:
+                self._refresh_thread.stop()
+                self._refresh_thread = None
+            # allow it to fully render on the last even if overflow
+            self.vertical_overflow = "visible"
+            with self.console:
+                try:
+                    if not self._alt_screen and not self.console.is_jupyter:
+                        self.refresh()
+                finally:
+                    self._disable_redirect_io()
+                    self.console.pop_render_hook()
+                    if not self._alt_screen and self.console.is_terminal:
+                        self.console.line()
+                    self.console.show_cursor(True)
+                    if self._alt_screen:
+                        self.console.set_alt_screen(False)
+
+                    if self.transient and not self._alt_screen:
+                        self.console.control(self._live_render.restore_cursor())
+                    if self.ipy_widget is not None and self.transient:
+                        self.ipy_widget.close()  # pragma: no cover
+
+    def __enter__(self) -> "Live":
+        self.start(refresh=self._renderable is not None)
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.stop()
+
+    def _enable_redirect_io(self) -> None:
+        """Enable redirecting of stdout / stderr."""
+        if self.console.is_terminal or self.console.is_jupyter:
+            if self._redirect_stdout and not isinstance(sys.stdout, FileProxy):
+                self._restore_stdout = sys.stdout
+                sys.stdout = cast("TextIO", FileProxy(self.console, sys.stdout))
+            if self._redirect_stderr and not isinstance(sys.stderr, FileProxy):
+                self._restore_stderr = sys.stderr
+                sys.stderr = cast("TextIO", FileProxy(self.console, sys.stderr))
+
+    def _disable_redirect_io(self) -> None:
+        """Disable redirecting of stdout / stderr."""
+        if self._restore_stdout:
+            sys.stdout = cast("TextIO", self._restore_stdout)
+            self._restore_stdout = None
+        if self._restore_stderr:
+            sys.stderr = cast("TextIO", self._restore_stderr)
+            self._restore_stderr = None
+
+    @property
+    def renderable(self) -> RenderableType:
+        """Get the renderable that is being displayed
+
+        Returns:
+            RenderableType: Displayed renderable.
+        """
+        renderable = self.get_renderable()
+        return Screen(renderable) if self._alt_screen else renderable
+
+    def update(self, renderable: RenderableType, *, refresh: bool = False) -> None:
+        """Update the renderable that is being displayed
+
+        Args:
+            renderable (RenderableType): New renderable to use.
+            refresh (bool, optional): Refresh the display. Defaults to False.
+        """
+        if isinstance(renderable, str):
+            renderable = self.console.render_str(renderable)
+        with self._lock:
+            self._renderable = renderable
+            if refresh:
+                self.refresh()
+
+    def refresh(self) -> None:
+        """Update the display of the Live Render."""
+        with self._lock:
+            self._live_render.set_renderable(self.renderable)
+            if self.console.is_jupyter:  # pragma: no cover
+                try:
+                    from IPython.display import display
+                    from ipywidgets import Output
+                except ImportError:
+                    import warnings
+
+                    warnings.warn('install "ipywidgets" for Jupyter support')
+                else:
+                    if self.ipy_widget is None:
+                        self.ipy_widget = Output()
+                        display(self.ipy_widget)
+
+                    with self.ipy_widget:
+                        self.ipy_widget.clear_output(wait=True)
+                        self.console.print(self._live_render.renderable)
+            elif self.console.is_terminal and not self.console.is_dumb_terminal:
+                with self.console:
+                    self.console.print(Control())
+            elif (
+                not self._started and not self.transient
+            ):  # if it is finished allow files or dumb-terminals to see final result
+                with self.console:
+                    self.console.print(Control())
+
+    def process_renderables(
+        self, renderables: List[ConsoleRenderable]
+    ) -> List[ConsoleRenderable]:
+        """Process renderables to restore cursor and display progress."""
+        self._live_render.vertical_overflow = self.vertical_overflow
+        if self.console.is_interactive:
+            # lock needs acquiring as user can modify live_render renderable at any time unlike in Progress.
+            with self._lock:
+                reset = (
+                    Control.home()
+                    if self._alt_screen
+                    else self._live_render.position_cursor()
+                )
+                renderables = [reset, *renderables, self._live_render]
+        elif (
+            not self._started and not self.transient
+        ):  # if it is finished render the final output for files or dumb_terminals
+            renderables = [*renderables, self._live_render]
+
+        return renderables
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import random
+    import time
+    from itertools import cycle
+    from typing import Dict, List, Tuple
+
+    from .align import Align
+    from .console import Console
+    from .live import Live as Live
+    from .panel import Panel
+    from .rule import Rule
+    from .syntax import Syntax
+    from .table import Table
+
+    console = Console()
+
+    syntax = Syntax(
+        '''def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value''',
+        "python",
+        line_numbers=True,
+    )
+
+    table = Table("foo", "bar", "baz")
+    table.add_row("1", "2", "3")
+
+    progress_renderables = [
+        "You can make the terminal shorter and taller to see the live table hide"
+        "Text may be printed while the progress bars are rendering.",
+        Panel("In fact, [i]any[/i] renderable will work"),
+        "Such as [magenta]tables[/]...",
+        table,
+        "Pretty printed structures...",
+        {"type": "example", "text": "Pretty printed"},
+        "Syntax...",
+        syntax,
+        Rule("Give it a try!"),
+    ]
+
+    examples = cycle(progress_renderables)
+
+    exchanges = [
+        "SGD",
+        "MYR",
+        "EUR",
+        "USD",
+        "AUD",
+        "JPY",
+        "CNH",
+        "HKD",
+        "CAD",
+        "INR",
+        "DKK",
+        "GBP",
+        "RUB",
+        "NZD",
+        "MXN",
+        "IDR",
+        "TWD",
+        "THB",
+        "VND",
+    ]
+    with Live(console=console) as live_table:
+        exchange_rate_dict: Dict[Tuple[str, str], float] = {}
+
+        for index in range(100):
+            select_exchange = exchanges[index % len(exchanges)]
+
+            for exchange in exchanges:
+                if exchange == select_exchange:
+                    continue
+                time.sleep(0.4)
+                if random.randint(0, 10) < 1:
+                    console.log(next(examples))
+                exchange_rate_dict[(select_exchange, exchange)] = 200 / (
+                    (random.random() * 320) + 1
+                )
+                if len(exchange_rate_dict) > len(exchanges) - 1:
+                    exchange_rate_dict.pop(list(exchange_rate_dict.keys())[0])
+                table = Table(title="Exchange Rates")
+
+                table.add_column("Source Currency")
+                table.add_column("Destination Currency")
+                table.add_column("Exchange Rate")
+
+                for ((source, dest), exchange_rate) in exchange_rate_dict.items():
+                    table.add_row(
+                        source,
+                        dest,
+                        Text(
+                            f"{exchange_rate:.4f}",
+                            style="red" if exchange_rate < 1.0 else "green",
+                        ),
+                    )
+
+                live_table.update(Align.center(table))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/live_render.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/live_render.py
new file mode 100644
index 00000000..b90fbf7f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/live_render.py
@@ -0,0 +1,113 @@
+import sys
+from typing import Optional, Tuple
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+
+from ._loop import loop_last
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .control import Control
+from .segment import ControlType, Segment
+from .style import StyleType
+from .text import Text
+
+VerticalOverflowMethod = Literal["crop", "ellipsis", "visible"]
+
+
+class LiveRender:
+    """Creates a renderable that may be updated.
+
+    Args:
+        renderable (RenderableType): Any renderable object.
+        style (StyleType, optional): An optional style to apply to the renderable. Defaults to "".
+    """
+
+    def __init__(
+        self,
+        renderable: RenderableType,
+        style: StyleType = "",
+        vertical_overflow: VerticalOverflowMethod = "ellipsis",
+    ) -> None:
+        self.renderable = renderable
+        self.style = style
+        self.vertical_overflow = vertical_overflow
+        self._shape: Optional[Tuple[int, int]] = None
+
+    def set_renderable(self, renderable: RenderableType) -> None:
+        """Set a new renderable.
+
+        Args:
+            renderable (RenderableType): Any renderable object, including str.
+        """
+        self.renderable = renderable
+
+    def position_cursor(self) -> Control:
+        """Get control codes to move cursor to beginning of live render.
+
+        Returns:
+            Control: A control instance that may be printed.
+        """
+        if self._shape is not None:
+            _, height = self._shape
+            return Control(
+                ControlType.CARRIAGE_RETURN,
+                (ControlType.ERASE_IN_LINE, 2),
+                *(
+                    (
+                        (ControlType.CURSOR_UP, 1),
+                        (ControlType.ERASE_IN_LINE, 2),
+                    )
+                    * (height - 1)
+                )
+            )
+        return Control()
+
+    def restore_cursor(self) -> Control:
+        """Get control codes to clear the render and restore the cursor to its previous position.
+
+        Returns:
+            Control: A Control instance that may be printed.
+        """
+        if self._shape is not None:
+            _, height = self._shape
+            return Control(
+                ControlType.CARRIAGE_RETURN,
+                *((ControlType.CURSOR_UP, 1), (ControlType.ERASE_IN_LINE, 2)) * height
+            )
+        return Control()
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+
+        renderable = self.renderable
+        style = console.get_style(self.style)
+        lines = console.render_lines(renderable, options, style=style, pad=False)
+        shape = Segment.get_shape(lines)
+
+        _, height = shape
+        if height > options.size.height:
+            if self.vertical_overflow == "crop":
+                lines = lines[: options.size.height]
+                shape = Segment.get_shape(lines)
+            elif self.vertical_overflow == "ellipsis":
+                lines = lines[: (options.size.height - 1)]
+                overflow_text = Text(
+                    "...",
+                    overflow="crop",
+                    justify="center",
+                    end="",
+                    style="live.ellipsis",
+                )
+                lines.append(list(console.render(overflow_text)))
+                shape = Segment.get_shape(lines)
+        self._shape = shape
+
+        new_line = Segment.line()
+        for last, line in loop_last(lines):
+            yield from line
+            if not last:
+                yield new_line
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/logging.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/logging.py
new file mode 100644
index 00000000..91368dda
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/logging.py
@@ -0,0 +1,289 @@
+import logging
+from datetime import datetime
+from logging import Handler, LogRecord
+from pathlib import Path
+from types import ModuleType
+from typing import ClassVar, Iterable, List, Optional, Type, Union
+
+from pip._vendor.rich._null_file import NullFile
+
+from . import get_console
+from ._log_render import FormatTimeCallable, LogRender
+from .console import Console, ConsoleRenderable
+from .highlighter import Highlighter, ReprHighlighter
+from .text import Text
+from .traceback import Traceback
+
+
+class RichHandler(Handler):
+    """A logging handler that renders output with Rich. The time / level / message and file are displayed in columns.
+    The level is color coded, and the message is syntax highlighted.
+
+    Note:
+        Be careful when enabling console markup in log messages if you have configured logging for libraries not
+        under your control. If a dependency writes messages containing square brackets, it may not produce the intended output.
+
+    Args:
+        level (Union[int, str], optional): Log level. Defaults to logging.NOTSET.
+        console (:class:`~rich.console.Console`, optional): Optional console instance to write logs.
+            Default will use a global console instance writing to stdout.
+        show_time (bool, optional): Show a column for the time. Defaults to True.
+        omit_repeated_times (bool, optional): Omit repetition of the same time. Defaults to True.
+        show_level (bool, optional): Show a column for the level. Defaults to True.
+        show_path (bool, optional): Show the path to the original log call. Defaults to True.
+        enable_link_path (bool, optional): Enable terminal link of path column to file. Defaults to True.
+        highlighter (Highlighter, optional): Highlighter to style log messages, or None to use ReprHighlighter. Defaults to None.
+        markup (bool, optional): Enable console markup in log messages. Defaults to False.
+        rich_tracebacks (bool, optional): Enable rich tracebacks with syntax highlighting and formatting. Defaults to False.
+        tracebacks_width (Optional[int], optional): Number of characters used to render tracebacks, or None for full width. Defaults to None.
+        tracebacks_extra_lines (int, optional): Additional lines of code to render tracebacks, or None for full width. Defaults to None.
+        tracebacks_theme (str, optional): Override pygments theme used in traceback.
+        tracebacks_word_wrap (bool, optional): Enable word wrapping of long tracebacks lines. Defaults to True.
+        tracebacks_show_locals (bool, optional): Enable display of locals in tracebacks. Defaults to False.
+        tracebacks_suppress (Sequence[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+        locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to 10.
+        locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+        log_time_format (Union[str, TimeFormatterCallable], optional): If ``log_time`` is enabled, either string for strftime or callable that formats the time. Defaults to "[%x %X] ".
+        keywords (List[str], optional): List of words to highlight instead of ``RichHandler.KEYWORDS``.
+    """
+
+    KEYWORDS: ClassVar[Optional[List[str]]] = [
+        "GET",
+        "POST",
+        "HEAD",
+        "PUT",
+        "DELETE",
+        "OPTIONS",
+        "TRACE",
+        "PATCH",
+    ]
+    HIGHLIGHTER_CLASS: ClassVar[Type[Highlighter]] = ReprHighlighter
+
+    def __init__(
+        self,
+        level: Union[int, str] = logging.NOTSET,
+        console: Optional[Console] = None,
+        *,
+        show_time: bool = True,
+        omit_repeated_times: bool = True,
+        show_level: bool = True,
+        show_path: bool = True,
+        enable_link_path: bool = True,
+        highlighter: Optional[Highlighter] = None,
+        markup: bool = False,
+        rich_tracebacks: bool = False,
+        tracebacks_width: Optional[int] = None,
+        tracebacks_extra_lines: int = 3,
+        tracebacks_theme: Optional[str] = None,
+        tracebacks_word_wrap: bool = True,
+        tracebacks_show_locals: bool = False,
+        tracebacks_suppress: Iterable[Union[str, ModuleType]] = (),
+        locals_max_length: int = 10,
+        locals_max_string: int = 80,
+        log_time_format: Union[str, FormatTimeCallable] = "[%x %X]",
+        keywords: Optional[List[str]] = None,
+    ) -> None:
+        super().__init__(level=level)
+        self.console = console or get_console()
+        self.highlighter = highlighter or self.HIGHLIGHTER_CLASS()
+        self._log_render = LogRender(
+            show_time=show_time,
+            show_level=show_level,
+            show_path=show_path,
+            time_format=log_time_format,
+            omit_repeated_times=omit_repeated_times,
+            level_width=None,
+        )
+        self.enable_link_path = enable_link_path
+        self.markup = markup
+        self.rich_tracebacks = rich_tracebacks
+        self.tracebacks_width = tracebacks_width
+        self.tracebacks_extra_lines = tracebacks_extra_lines
+        self.tracebacks_theme = tracebacks_theme
+        self.tracebacks_word_wrap = tracebacks_word_wrap
+        self.tracebacks_show_locals = tracebacks_show_locals
+        self.tracebacks_suppress = tracebacks_suppress
+        self.locals_max_length = locals_max_length
+        self.locals_max_string = locals_max_string
+        self.keywords = keywords
+
+    def get_level_text(self, record: LogRecord) -> Text:
+        """Get the level name from the record.
+
+        Args:
+            record (LogRecord): LogRecord instance.
+
+        Returns:
+            Text: A tuple of the style and level name.
+        """
+        level_name = record.levelname
+        level_text = Text.styled(
+            level_name.ljust(8), f"logging.level.{level_name.lower()}"
+        )
+        return level_text
+
+    def emit(self, record: LogRecord) -> None:
+        """Invoked by logging."""
+        message = self.format(record)
+        traceback = None
+        if (
+            self.rich_tracebacks
+            and record.exc_info
+            and record.exc_info != (None, None, None)
+        ):
+            exc_type, exc_value, exc_traceback = record.exc_info
+            assert exc_type is not None
+            assert exc_value is not None
+            traceback = Traceback.from_exception(
+                exc_type,
+                exc_value,
+                exc_traceback,
+                width=self.tracebacks_width,
+                extra_lines=self.tracebacks_extra_lines,
+                theme=self.tracebacks_theme,
+                word_wrap=self.tracebacks_word_wrap,
+                show_locals=self.tracebacks_show_locals,
+                locals_max_length=self.locals_max_length,
+                locals_max_string=self.locals_max_string,
+                suppress=self.tracebacks_suppress,
+            )
+            message = record.getMessage()
+            if self.formatter:
+                record.message = record.getMessage()
+                formatter = self.formatter
+                if hasattr(formatter, "usesTime") and formatter.usesTime():
+                    record.asctime = formatter.formatTime(record, formatter.datefmt)
+                message = formatter.formatMessage(record)
+
+        message_renderable = self.render_message(record, message)
+        log_renderable = self.render(
+            record=record, traceback=traceback, message_renderable=message_renderable
+        )
+        if isinstance(self.console.file, NullFile):
+            # Handles pythonw, where stdout/stderr are null, and we return NullFile
+            # instance from Console.file. In this case, we still want to make a log record
+            # even though we won't be writing anything to a file.
+            self.handleError(record)
+        else:
+            try:
+                self.console.print(log_renderable)
+            except Exception:
+                self.handleError(record)
+
+    def render_message(self, record: LogRecord, message: str) -> "ConsoleRenderable":
+        """Render message text in to Text.
+
+        Args:
+            record (LogRecord): logging Record.
+            message (str): String containing log message.
+
+        Returns:
+            ConsoleRenderable: Renderable to display log message.
+        """
+        use_markup = getattr(record, "markup", self.markup)
+        message_text = Text.from_markup(message) if use_markup else Text(message)
+
+        highlighter = getattr(record, "highlighter", self.highlighter)
+        if highlighter:
+            message_text = highlighter(message_text)
+
+        if self.keywords is None:
+            self.keywords = self.KEYWORDS
+
+        if self.keywords:
+            message_text.highlight_words(self.keywords, "logging.keyword")
+
+        return message_text
+
+    def render(
+        self,
+        *,
+        record: LogRecord,
+        traceback: Optional[Traceback],
+        message_renderable: "ConsoleRenderable",
+    ) -> "ConsoleRenderable":
+        """Render log for display.
+
+        Args:
+            record (LogRecord): logging Record.
+            traceback (Optional[Traceback]): Traceback instance or None for no Traceback.
+            message_renderable (ConsoleRenderable): Renderable (typically Text) containing log message contents.
+
+        Returns:
+            ConsoleRenderable: Renderable to display log.
+        """
+        path = Path(record.pathname).name
+        level = self.get_level_text(record)
+        time_format = None if self.formatter is None else self.formatter.datefmt
+        log_time = datetime.fromtimestamp(record.created)
+
+        log_renderable = self._log_render(
+            self.console,
+            [message_renderable] if not traceback else [message_renderable, traceback],
+            log_time=log_time,
+            time_format=time_format,
+            level=level,
+            path=path,
+            line_no=record.lineno,
+            link_path=record.pathname if self.enable_link_path else None,
+        )
+        return log_renderable
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from time import sleep
+
+    FORMAT = "%(message)s"
+    # FORMAT = "%(asctime)-15s - %(levelname)s - %(message)s"
+    logging.basicConfig(
+        level="NOTSET",
+        format=FORMAT,
+        datefmt="[%X]",
+        handlers=[RichHandler(rich_tracebacks=True, tracebacks_show_locals=True)],
+    )
+    log = logging.getLogger("rich")
+
+    log.info("Server starting...")
+    log.info("Listening on http://127.0.0.1:8080")
+    sleep(1)
+
+    log.info("GET /index.html 200 1298")
+    log.info("GET /imgs/backgrounds/back1.jpg 200 54386")
+    log.info("GET /css/styles.css 200 54386")
+    log.warning("GET /favicon.ico 404 242")
+    sleep(1)
+
+    log.debug(
+        "JSONRPC request\n--> %r\n<-- %r",
+        {
+            "version": "1.1",
+            "method": "confirmFruitPurchase",
+            "params": [["apple", "orange", "mangoes", "pomelo"], 1.123],
+            "id": "194521489",
+        },
+        {"version": "1.1", "result": True, "error": None, "id": "194521489"},
+    )
+    log.debug(
+        "Loading configuration file /adasd/asdasd/qeqwe/qwrqwrqwr/sdgsdgsdg/werwerwer/dfgerert/ertertert/ertetert/werwerwer"
+    )
+    log.error("Unable to find 'pomelo' in database!")
+    log.info("POST /jsonrpc/ 200 65532")
+    log.info("POST /admin/ 401 42234")
+    log.warning("password was rejected for admin site.")
+
+    def divide() -> None:
+        number = 1
+        divisor = 0
+        foos = ["foo"] * 100
+        log.debug("in divide")
+        try:
+            number / divisor
+        except:
+            log.exception("An error of some kind occurred!")
+
+    divide()
+    sleep(1)
+    log.critical("Out of memory!")
+    log.info("Server exited with code=-1")
+    log.info("[bold]EXITING...[/bold]", extra=dict(markup=True))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/markup.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/markup.py
new file mode 100644
index 00000000..fd80d8c1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/markup.py
@@ -0,0 +1,246 @@
+import re
+from ast import literal_eval
+from operator import attrgetter
+from typing import Callable, Iterable, List, Match, NamedTuple, Optional, Tuple, Union
+
+from ._emoji_replace import _emoji_replace
+from .emoji import EmojiVariant
+from .errors import MarkupError
+from .style import Style
+from .text import Span, Text
+
+RE_TAGS = re.compile(
+    r"""((\\*)\[([a-z#/@][^[]*?)])""",
+    re.VERBOSE,
+)
+
+RE_HANDLER = re.compile(r"^([\w.]*?)(\(.*?\))?$")
+
+
+class Tag(NamedTuple):
+    """A tag in console markup."""
+
+    name: str
+    """The tag name. e.g. 'bold'."""
+    parameters: Optional[str]
+    """Any additional parameters after the name."""
+
+    def __str__(self) -> str:
+        return (
+            self.name if self.parameters is None else f"{self.name} {self.parameters}"
+        )
+
+    @property
+    def markup(self) -> str:
+        """Get the string representation of this tag."""
+        return (
+            f"[{self.name}]"
+            if self.parameters is None
+            else f"[{self.name}={self.parameters}]"
+        )
+
+
+_ReStringMatch = Match[str]  # regex match object
+_ReSubCallable = Callable[[_ReStringMatch], str]  # Callable invoked by re.sub
+_EscapeSubMethod = Callable[[_ReSubCallable, str], str]  # Sub method of a compiled re
+
+
+def escape(
+    markup: str,
+    _escape: _EscapeSubMethod = re.compile(r"(\\*)(\[[a-z#/@][^[]*?])").sub,
+) -> str:
+    """Escapes text so that it won't be interpreted as markup.
+
+    Args:
+        markup (str): Content to be inserted in to markup.
+
+    Returns:
+        str: Markup with square brackets escaped.
+    """
+
+    def escape_backslashes(match: Match[str]) -> str:
+        """Called by re.sub replace matches."""
+        backslashes, text = match.groups()
+        return f"{backslashes}{backslashes}\\{text}"
+
+    markup = _escape(escape_backslashes, markup)
+    return markup
+
+
+def _parse(markup: str) -> Iterable[Tuple[int, Optional[str], Optional[Tag]]]:
+    """Parse markup in to an iterable of tuples of (position, text, tag).
+
+    Args:
+        markup (str): A string containing console markup
+
+    """
+    position = 0
+    _divmod = divmod
+    _Tag = Tag
+    for match in RE_TAGS.finditer(markup):
+        full_text, escapes, tag_text = match.groups()
+        start, end = match.span()
+        if start > position:
+            yield start, markup[position:start], None
+        if escapes:
+            backslashes, escaped = _divmod(len(escapes), 2)
+            if backslashes:
+                # Literal backslashes
+                yield start, "\\" * backslashes, None
+                start += backslashes * 2
+            if escaped:
+                # Escape of tag
+                yield start, full_text[len(escapes) :], None
+                position = end
+                continue
+        text, equals, parameters = tag_text.partition("=")
+        yield start, None, _Tag(text, parameters if equals else None)
+        position = end
+    if position < len(markup):
+        yield position, markup[position:], None
+
+
+def render(
+    markup: str,
+    style: Union[str, Style] = "",
+    emoji: bool = True,
+    emoji_variant: Optional[EmojiVariant] = None,
+) -> Text:
+    """Render console markup in to a Text instance.
+
+    Args:
+        markup (str): A string containing console markup.
+        emoji (bool, optional): Also render emoji code. Defaults to True.
+
+    Raises:
+        MarkupError: If there is a syntax error in the markup.
+
+    Returns:
+        Text: A test instance.
+    """
+    emoji_replace = _emoji_replace
+    if "[" not in markup:
+        return Text(
+            emoji_replace(markup, default_variant=emoji_variant) if emoji else markup,
+            style=style,
+        )
+    text = Text(style=style)
+    append = text.append
+    normalize = Style.normalize
+
+    style_stack: List[Tuple[int, Tag]] = []
+    pop = style_stack.pop
+
+    spans: List[Span] = []
+    append_span = spans.append
+
+    _Span = Span
+    _Tag = Tag
+
+    def pop_style(style_name: str) -> Tuple[int, Tag]:
+        """Pop tag matching given style name."""
+        for index, (_, tag) in enumerate(reversed(style_stack), 1):
+            if tag.name == style_name:
+                return pop(-index)
+        raise KeyError(style_name)
+
+    for position, plain_text, tag in _parse(markup):
+        if plain_text is not None:
+            # Handle open brace escapes, where the brace is not part of a tag.
+            plain_text = plain_text.replace("\\[", "[")
+            append(emoji_replace(plain_text) if emoji else plain_text)
+        elif tag is not None:
+            if tag.name.startswith("/"):  # Closing tag
+                style_name = tag.name[1:].strip()
+
+                if style_name:  # explicit close
+                    style_name = normalize(style_name)
+                    try:
+                        start, open_tag = pop_style(style_name)
+                    except KeyError:
+                        raise MarkupError(
+                            f"closing tag '{tag.markup}' at position {position} doesn't match any open tag"
+                        ) from None
+                else:  # implicit close
+                    try:
+                        start, open_tag = pop()
+                    except IndexError:
+                        raise MarkupError(
+                            f"closing tag '[/]' at position {position} has nothing to close"
+                        ) from None
+
+                if open_tag.name.startswith("@"):
+                    if open_tag.parameters:
+                        handler_name = ""
+                        parameters = open_tag.parameters.strip()
+                        handler_match = RE_HANDLER.match(parameters)
+                        if handler_match is not None:
+                            handler_name, match_parameters = handler_match.groups()
+                            parameters = (
+                                "()" if match_parameters is None else match_parameters
+                            )
+
+                        try:
+                            meta_params = literal_eval(parameters)
+                        except SyntaxError as error:
+                            raise MarkupError(
+                                f"error parsing {parameters!r} in {open_tag.parameters!r}; {error.msg}"
+                            )
+                        except Exception as error:
+                            raise MarkupError(
+                                f"error parsing {open_tag.parameters!r}; {error}"
+                            ) from None
+
+                        if handler_name:
+                            meta_params = (
+                                handler_name,
+                                meta_params
+                                if isinstance(meta_params, tuple)
+                                else (meta_params,),
+                            )
+
+                    else:
+                        meta_params = ()
+
+                    append_span(
+                        _Span(
+                            start, len(text), Style(meta={open_tag.name: meta_params})
+                        )
+                    )
+                else:
+                    append_span(_Span(start, len(text), str(open_tag)))
+
+            else:  # Opening tag
+                normalized_tag = _Tag(normalize(tag.name), tag.parameters)
+                style_stack.append((len(text), normalized_tag))
+
+    text_length = len(text)
+    while style_stack:
+        start, tag = style_stack.pop()
+        style = str(tag)
+        if style:
+            append_span(_Span(start, text_length, style))
+
+    text.spans = sorted(spans[::-1], key=attrgetter("start"))
+    return text
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    MARKUP = [
+        "[red]Hello World[/red]",
+        "[magenta]Hello [b]World[/b]",
+        "[bold]Bold[italic] bold and italic [/bold]italic[/italic]",
+        "Click [link=https://www.willmcgugan.com]here[/link] to visit my Blog",
+        ":warning-emoji: [bold red blink] DANGER![/]",
+    ]
+
+    from pip._vendor.rich import print
+    from pip._vendor.rich.table import Table
+
+    grid = Table("Markup", "Result", padding=(0, 1))
+
+    for markup in MARKUP:
+        grid.add_row(Text(markup), markup)
+
+    print(grid)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/measure.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/measure.py
new file mode 100644
index 00000000..a508ffa8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/measure.py
@@ -0,0 +1,151 @@
+from operator import itemgetter
+from typing import TYPE_CHECKING, Callable, NamedTuple, Optional, Sequence
+
+from . import errors
+from .protocol import is_renderable, rich_cast
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType
+
+
+class Measurement(NamedTuple):
+    """Stores the minimum and maximum widths (in characters) required to render an object."""
+
+    minimum: int
+    """Minimum number of cells required to render."""
+    maximum: int
+    """Maximum number of cells required to render."""
+
+    @property
+    def span(self) -> int:
+        """Get difference between maximum and minimum."""
+        return self.maximum - self.minimum
+
+    def normalize(self) -> "Measurement":
+        """Get measurement that ensures that minimum <= maximum and minimum >= 0
+
+        Returns:
+            Measurement: A normalized measurement.
+        """
+        minimum, maximum = self
+        minimum = min(max(0, minimum), maximum)
+        return Measurement(max(0, minimum), max(0, max(minimum, maximum)))
+
+    def with_maximum(self, width: int) -> "Measurement":
+        """Get a RenderableWith where the widths are <= width.
+
+        Args:
+            width (int): Maximum desired width.
+
+        Returns:
+            Measurement: New Measurement object.
+        """
+        minimum, maximum = self
+        return Measurement(min(minimum, width), min(maximum, width))
+
+    def with_minimum(self, width: int) -> "Measurement":
+        """Get a RenderableWith where the widths are >= width.
+
+        Args:
+            width (int): Minimum desired width.
+
+        Returns:
+            Measurement: New Measurement object.
+        """
+        minimum, maximum = self
+        width = max(0, width)
+        return Measurement(max(minimum, width), max(maximum, width))
+
+    def clamp(
+        self, min_width: Optional[int] = None, max_width: Optional[int] = None
+    ) -> "Measurement":
+        """Clamp a measurement within the specified range.
+
+        Args:
+            min_width (int): Minimum desired width, or ``None`` for no minimum. Defaults to None.
+            max_width (int): Maximum desired width, or ``None`` for no maximum. Defaults to None.
+
+        Returns:
+            Measurement: New Measurement object.
+        """
+        measurement = self
+        if min_width is not None:
+            measurement = measurement.with_minimum(min_width)
+        if max_width is not None:
+            measurement = measurement.with_maximum(max_width)
+        return measurement
+
+    @classmethod
+    def get(
+        cls, console: "Console", options: "ConsoleOptions", renderable: "RenderableType"
+    ) -> "Measurement":
+        """Get a measurement for a renderable.
+
+        Args:
+            console (~rich.console.Console): Console instance.
+            options (~rich.console.ConsoleOptions): Console options.
+            renderable (RenderableType): An object that may be rendered with Rich.
+
+        Raises:
+            errors.NotRenderableError: If the object is not renderable.
+
+        Returns:
+            Measurement: Measurement object containing range of character widths required to render the object.
+        """
+        _max_width = options.max_width
+        if _max_width < 1:
+            return Measurement(0, 0)
+        if isinstance(renderable, str):
+            renderable = console.render_str(
+                renderable, markup=options.markup, highlight=False
+            )
+        renderable = rich_cast(renderable)
+        if is_renderable(renderable):
+            get_console_width: Optional[
+                Callable[["Console", "ConsoleOptions"], "Measurement"]
+            ] = getattr(renderable, "__rich_measure__", None)
+            if get_console_width is not None:
+                render_width = (
+                    get_console_width(console, options)
+                    .normalize()
+                    .with_maximum(_max_width)
+                )
+                if render_width.maximum < 1:
+                    return Measurement(0, 0)
+                return render_width.normalize()
+            else:
+                return Measurement(0, _max_width)
+        else:
+            raise errors.NotRenderableError(
+                f"Unable to get render width for {renderable!r}; "
+                "a str, Segment, or object with __rich_console__ method is required"
+            )
+
+
+def measure_renderables(
+    console: "Console",
+    options: "ConsoleOptions",
+    renderables: Sequence["RenderableType"],
+) -> "Measurement":
+    """Get a measurement that would fit a number of renderables.
+
+    Args:
+        console (~rich.console.Console): Console instance.
+        options (~rich.console.ConsoleOptions): Console options.
+        renderables (Iterable[RenderableType]): One or more renderable objects.
+
+    Returns:
+        Measurement: Measurement object containing range of character widths required to
+            contain all given renderables.
+    """
+    if not renderables:
+        return Measurement(0, 0)
+    get_measurement = Measurement.get
+    measurements = [
+        get_measurement(console, options, renderable) for renderable in renderables
+    ]
+    measured_width = Measurement(
+        max(measurements, key=itemgetter(0)).minimum,
+        max(measurements, key=itemgetter(1)).maximum,
+    )
+    return measured_width
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/padding.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/padding.py
new file mode 100644
index 00000000..1b2204f5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/padding.py
@@ -0,0 +1,141 @@
+from typing import cast, List, Optional, Tuple, TYPE_CHECKING, Union
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        RenderableType,
+        RenderResult,
+    )
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .style import Style
+from .segment import Segment
+
+
+PaddingDimensions = Union[int, Tuple[int], Tuple[int, int], Tuple[int, int, int, int]]
+
+
+class Padding(JupyterMixin):
+    """Draw space around content.
+
+    Example:
+        >>> print(Padding("Hello", (2, 4), style="on blue"))
+
+    Args:
+        renderable (RenderableType): String or other renderable.
+        pad (Union[int, Tuple[int]]): Padding for top, right, bottom, and left borders.
+            May be specified with 1, 2, or 4 integers (CSS style).
+        style (Union[str, Style], optional): Style for padding characters. Defaults to "none".
+        expand (bool, optional): Expand padding to fit available width. Defaults to True.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        pad: "PaddingDimensions" = (0, 0, 0, 0),
+        *,
+        style: Union[str, Style] = "none",
+        expand: bool = True,
+    ):
+        self.renderable = renderable
+        self.top, self.right, self.bottom, self.left = self.unpack(pad)
+        self.style = style
+        self.expand = expand
+
+    @classmethod
+    def indent(cls, renderable: "RenderableType", level: int) -> "Padding":
+        """Make padding instance to render an indent.
+
+        Args:
+            renderable (RenderableType): String or other renderable.
+            level (int): Number of characters to indent.
+
+        Returns:
+            Padding: A Padding instance.
+        """
+
+        return Padding(renderable, pad=(0, 0, 0, level), expand=False)
+
+    @staticmethod
+    def unpack(pad: "PaddingDimensions") -> Tuple[int, int, int, int]:
+        """Unpack padding specified in CSS style."""
+        if isinstance(pad, int):
+            return (pad, pad, pad, pad)
+        if len(pad) == 1:
+            _pad = pad[0]
+            return (_pad, _pad, _pad, _pad)
+        if len(pad) == 2:
+            pad_top, pad_right = cast(Tuple[int, int], pad)
+            return (pad_top, pad_right, pad_top, pad_right)
+        if len(pad) == 4:
+            top, right, bottom, left = cast(Tuple[int, int, int, int], pad)
+            return (top, right, bottom, left)
+        raise ValueError(f"1, 2 or 4 integers required for padding; {len(pad)} given")
+
+    def __repr__(self) -> str:
+        return f"Padding({self.renderable!r}, ({self.top},{self.right},{self.bottom},{self.left}))"
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        style = console.get_style(self.style)
+        if self.expand:
+            width = options.max_width
+        else:
+            width = min(
+                Measurement.get(console, options, self.renderable).maximum
+                + self.left
+                + self.right,
+                options.max_width,
+            )
+        render_options = options.update_width(width - self.left - self.right)
+        if render_options.height is not None:
+            render_options = render_options.update_height(
+                height=render_options.height - self.top - self.bottom
+            )
+        lines = console.render_lines(
+            self.renderable, render_options, style=style, pad=True
+        )
+        _Segment = Segment
+
+        left = _Segment(" " * self.left, style) if self.left else None
+        right = (
+            [_Segment(f'{" " * self.right}', style), _Segment.line()]
+            if self.right
+            else [_Segment.line()]
+        )
+        blank_line: Optional[List[Segment]] = None
+        if self.top:
+            blank_line = [_Segment(f'{" " * width}\n', style)]
+            yield from blank_line * self.top
+        if left:
+            for line in lines:
+                yield left
+                yield from line
+                yield from right
+        else:
+            for line in lines:
+                yield from line
+                yield from right
+        if self.bottom:
+            blank_line = blank_line or [_Segment(f'{" " * width}\n', style)]
+            yield from blank_line * self.bottom
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        max_width = options.max_width
+        extra_width = self.left + self.right
+        if max_width - extra_width < 1:
+            return Measurement(max_width, max_width)
+        measure_min, measure_max = Measurement.get(console, options, self.renderable)
+        measurement = Measurement(measure_min + extra_width, measure_max + extra_width)
+        measurement = measurement.with_maximum(max_width)
+        return measurement
+
+
+if __name__ == "__main__":  #  pragma: no cover
+    from pip._vendor.rich import print
+
+    print(Padding("Hello, World", (2, 4), style="on blue"))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/pager.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/pager.py
new file mode 100644
index 00000000..a3f7aa62
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/pager.py
@@ -0,0 +1,34 @@
+from abc import ABC, abstractmethod
+from typing import Any
+
+
+class Pager(ABC):
+    """Base class for a pager."""
+
+    @abstractmethod
+    def show(self, content: str) -> None:
+        """Show content in pager.
+
+        Args:
+            content (str): Content to be displayed.
+        """
+
+
+class SystemPager(Pager):
+    """Uses the pager installed on the system."""
+
+    def _pager(self, content: str) -> Any:  #  pragma: no cover
+        return __import__("pydoc").pager(content)
+
+    def show(self, content: str) -> None:
+        """Use the same pager used by pydoc."""
+        self._pager(content)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .__main__ import make_test_card
+    from .console import Console
+
+    console = Console()
+    with console.pager(styles=True):
+        console.print(make_test_card())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/palette.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/palette.py
new file mode 100644
index 00000000..fa0c4dd4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/palette.py
@@ -0,0 +1,100 @@
+from math import sqrt
+from functools import lru_cache
+from typing import Sequence, Tuple, TYPE_CHECKING
+
+from .color_triplet import ColorTriplet
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.table import Table
+
+
+class Palette:
+    """A palette of available colors."""
+
+    def __init__(self, colors: Sequence[Tuple[int, int, int]]):
+        self._colors = colors
+
+    def __getitem__(self, number: int) -> ColorTriplet:
+        return ColorTriplet(*self._colors[number])
+
+    def __rich__(self) -> "Table":
+        from pip._vendor.rich.color import Color
+        from pip._vendor.rich.style import Style
+        from pip._vendor.rich.text import Text
+        from pip._vendor.rich.table import Table
+
+        table = Table(
+            "index",
+            "RGB",
+            "Color",
+            title="Palette",
+            caption=f"{len(self._colors)} colors",
+            highlight=True,
+            caption_justify="right",
+        )
+        for index, color in enumerate(self._colors):
+            table.add_row(
+                str(index),
+                repr(color),
+                Text(" " * 16, style=Style(bgcolor=Color.from_rgb(*color))),
+            )
+        return table
+
+    # This is somewhat inefficient and needs caching
+    @lru_cache(maxsize=1024)
+    def match(self, color: Tuple[int, int, int]) -> int:
+        """Find a color from a palette that most closely matches a given color.
+
+        Args:
+            color (Tuple[int, int, int]): RGB components in range 0 > 255.
+
+        Returns:
+            int: Index of closes matching color.
+        """
+        red1, green1, blue1 = color
+        _sqrt = sqrt
+        get_color = self._colors.__getitem__
+
+        def get_color_distance(index: int) -> float:
+            """Get the distance to a color."""
+            red2, green2, blue2 = get_color(index)
+            red_mean = (red1 + red2) // 2
+            red = red1 - red2
+            green = green1 - green2
+            blue = blue1 - blue2
+            return _sqrt(
+                (((512 + red_mean) * red * red) >> 8)
+                + 4 * green * green
+                + (((767 - red_mean) * blue * blue) >> 8)
+            )
+
+        min_index = min(range(len(self._colors)), key=get_color_distance)
+        return min_index
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import colorsys
+    from typing import Iterable
+    from pip._vendor.rich.color import Color
+    from pip._vendor.rich.console import Console, ConsoleOptions
+    from pip._vendor.rich.segment import Segment
+    from pip._vendor.rich.style import Style
+
+    class ColorBox:
+        def __rich_console__(
+            self, console: Console, options: ConsoleOptions
+        ) -> Iterable[Segment]:
+            height = console.size.height - 3
+            for y in range(0, height):
+                for x in range(options.max_width):
+                    h = x / options.max_width
+                    l = y / (height + 1)
+                    r1, g1, b1 = colorsys.hls_to_rgb(h, l, 1.0)
+                    r2, g2, b2 = colorsys.hls_to_rgb(h, l + (1 / height / 2), 1.0)
+                    bgcolor = Color.from_rgb(r1 * 255, g1 * 255, b1 * 255)
+                    color = Color.from_rgb(r2 * 255, g2 * 255, b2 * 255)
+                    yield Segment("▄", Style(color=color, bgcolor=bgcolor))
+                yield Segment.line()
+
+    console = Console()
+    console.print(ColorBox())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/panel.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/panel.py
new file mode 100644
index 00000000..d522d80b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/panel.py
@@ -0,0 +1,308 @@
+from typing import TYPE_CHECKING, Optional
+
+from .align import AlignMethod
+from .box import ROUNDED, Box
+from .cells import cell_len
+from .jupyter import JupyterMixin
+from .measure import Measurement, measure_renderables
+from .padding import Padding, PaddingDimensions
+from .segment import Segment
+from .style import Style, StyleType
+from .text import Text, TextType
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderableType, RenderResult
+
+
+class Panel(JupyterMixin):
+    """A console renderable that draws a border around its contents.
+
+    Example:
+        >>> console.print(Panel("Hello, World!"))
+
+    Args:
+        renderable (RenderableType): A console renderable object.
+        box (Box, optional): A Box instance that defines the look of the border (see :ref:`appendix_box`.
+            Defaults to box.ROUNDED.
+        safe_box (bool, optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
+        expand (bool, optional): If True the panel will stretch to fill the console
+            width, otherwise it will be sized to fit the contents. Defaults to True.
+        style (str, optional): The style of the panel (border and contents). Defaults to "none".
+        border_style (str, optional): The style of the border. Defaults to "none".
+        width (Optional[int], optional): Optional width of panel. Defaults to None to auto-detect.
+        height (Optional[int], optional): Optional height of panel. Defaults to None to auto-detect.
+        padding (Optional[PaddingDimensions]): Optional padding around renderable. Defaults to 0.
+        highlight (bool, optional): Enable automatic highlighting of panel title (if str). Defaults to False.
+    """
+
+    def __init__(
+        self,
+        renderable: "RenderableType",
+        box: Box = ROUNDED,
+        *,
+        title: Optional[TextType] = None,
+        title_align: AlignMethod = "center",
+        subtitle: Optional[TextType] = None,
+        subtitle_align: AlignMethod = "center",
+        safe_box: Optional[bool] = None,
+        expand: bool = True,
+        style: StyleType = "none",
+        border_style: StyleType = "none",
+        width: Optional[int] = None,
+        height: Optional[int] = None,
+        padding: PaddingDimensions = (0, 1),
+        highlight: bool = False,
+    ) -> None:
+        self.renderable = renderable
+        self.box = box
+        self.title = title
+        self.title_align: AlignMethod = title_align
+        self.subtitle = subtitle
+        self.subtitle_align = subtitle_align
+        self.safe_box = safe_box
+        self.expand = expand
+        self.style = style
+        self.border_style = border_style
+        self.width = width
+        self.height = height
+        self.padding = padding
+        self.highlight = highlight
+
+    @classmethod
+    def fit(
+        cls,
+        renderable: "RenderableType",
+        box: Box = ROUNDED,
+        *,
+        title: Optional[TextType] = None,
+        title_align: AlignMethod = "center",
+        subtitle: Optional[TextType] = None,
+        subtitle_align: AlignMethod = "center",
+        safe_box: Optional[bool] = None,
+        style: StyleType = "none",
+        border_style: StyleType = "none",
+        width: Optional[int] = None,
+        padding: PaddingDimensions = (0, 1),
+    ) -> "Panel":
+        """An alternative constructor that sets expand=False."""
+        return cls(
+            renderable,
+            box,
+            title=title,
+            title_align=title_align,
+            subtitle=subtitle,
+            subtitle_align=subtitle_align,
+            safe_box=safe_box,
+            style=style,
+            border_style=border_style,
+            width=width,
+            padding=padding,
+            expand=False,
+        )
+
+    @property
+    def _title(self) -> Optional[Text]:
+        if self.title:
+            title_text = (
+                Text.from_markup(self.title)
+                if isinstance(self.title, str)
+                else self.title.copy()
+            )
+            title_text.end = ""
+            title_text.plain = title_text.plain.replace("\n", " ")
+            title_text.no_wrap = True
+            title_text.expand_tabs()
+            title_text.pad(1)
+            return title_text
+        return None
+
+    @property
+    def _subtitle(self) -> Optional[Text]:
+        if self.subtitle:
+            subtitle_text = (
+                Text.from_markup(self.subtitle)
+                if isinstance(self.subtitle, str)
+                else self.subtitle.copy()
+            )
+            subtitle_text.end = ""
+            subtitle_text.plain = subtitle_text.plain.replace("\n", " ")
+            subtitle_text.no_wrap = True
+            subtitle_text.expand_tabs()
+            subtitle_text.pad(1)
+            return subtitle_text
+        return None
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        _padding = Padding.unpack(self.padding)
+        renderable = (
+            Padding(self.renderable, _padding) if any(_padding) else self.renderable
+        )
+        style = console.get_style(self.style)
+        border_style = style + console.get_style(self.border_style)
+        width = (
+            options.max_width
+            if self.width is None
+            else min(options.max_width, self.width)
+        )
+
+        safe_box: bool = console.safe_box if self.safe_box is None else self.safe_box
+        box = self.box.substitute(options, safe=safe_box)
+
+        def align_text(
+            text: Text, width: int, align: str, character: str, style: Style
+        ) -> Text:
+            """Gets new aligned text.
+
+            Args:
+                text (Text): Title or subtitle text.
+                width (int): Desired width.
+                align (str): Alignment.
+                character (str): Character for alignment.
+                style (Style): Border style
+
+            Returns:
+                Text: New text instance
+            """
+            text = text.copy()
+            text.truncate(width)
+            excess_space = width - cell_len(text.plain)
+            if excess_space:
+                if align == "left":
+                    return Text.assemble(
+                        text,
+                        (character * excess_space, style),
+                        no_wrap=True,
+                        end="",
+                    )
+                elif align == "center":
+                    left = excess_space // 2
+                    return Text.assemble(
+                        (character * left, style),
+                        text,
+                        (character * (excess_space - left), style),
+                        no_wrap=True,
+                        end="",
+                    )
+                else:
+                    return Text.assemble(
+                        (character * excess_space, style),
+                        text,
+                        no_wrap=True,
+                        end="",
+                    )
+            return text
+
+        title_text = self._title
+        if title_text is not None:
+            title_text.stylize_before(border_style)
+
+        child_width = (
+            width - 2
+            if self.expand
+            else console.measure(
+                renderable, options=options.update_width(width - 2)
+            ).maximum
+        )
+        child_height = self.height or options.height or None
+        if child_height:
+            child_height -= 2
+        if title_text is not None:
+            child_width = min(
+                options.max_width - 2, max(child_width, title_text.cell_len + 2)
+            )
+
+        width = child_width + 2
+        child_options = options.update(
+            width=child_width, height=child_height, highlight=self.highlight
+        )
+        lines = console.render_lines(renderable, child_options, style=style)
+
+        line_start = Segment(box.mid_left, border_style)
+        line_end = Segment(f"{box.mid_right}", border_style)
+        new_line = Segment.line()
+        if title_text is None or width <= 4:
+            yield Segment(box.get_top([width - 2]), border_style)
+        else:
+            title_text = align_text(
+                title_text,
+                width - 4,
+                self.title_align,
+                box.top,
+                border_style,
+            )
+            yield Segment(box.top_left + box.top, border_style)
+            yield from console.render(title_text, child_options.update_width(width - 4))
+            yield Segment(box.top + box.top_right, border_style)
+
+        yield new_line
+        for line in lines:
+            yield line_start
+            yield from line
+            yield line_end
+            yield new_line
+
+        subtitle_text = self._subtitle
+        if subtitle_text is not None:
+            subtitle_text.stylize_before(border_style)
+
+        if subtitle_text is None or width <= 4:
+            yield Segment(box.get_bottom([width - 2]), border_style)
+        else:
+            subtitle_text = align_text(
+                subtitle_text,
+                width - 4,
+                self.subtitle_align,
+                box.bottom,
+                border_style,
+            )
+            yield Segment(box.bottom_left + box.bottom, border_style)
+            yield from console.render(
+                subtitle_text, child_options.update_width(width - 4)
+            )
+            yield Segment(box.bottom + box.bottom_right, border_style)
+
+        yield new_line
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        _title = self._title
+        _, right, _, left = Padding.unpack(self.padding)
+        padding = left + right
+        renderables = [self.renderable, _title] if _title else [self.renderable]
+
+        if self.width is None:
+            width = (
+                measure_renderables(
+                    console,
+                    options.update_width(options.max_width - padding - 2),
+                    renderables,
+                ).maximum
+                + padding
+                + 2
+            )
+        else:
+            width = self.width
+        return Measurement(width, width)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .console import Console
+
+    c = Console()
+
+    from .box import DOUBLE, ROUNDED
+    from .padding import Padding
+
+    p = Panel(
+        "Hello, World!",
+        title="rich.Panel",
+        style="white on blue",
+        box=DOUBLE,
+        padding=1,
+    )
+
+    c.print()
+    c.print(p)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/pretty.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/pretty.py
new file mode 100644
index 00000000..2bd9eb00
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/pretty.py
@@ -0,0 +1,994 @@
+import builtins
+import collections
+import dataclasses
+import inspect
+import os
+import sys
+from array import array
+from collections import Counter, UserDict, UserList, defaultdict, deque
+from dataclasses import dataclass, fields, is_dataclass
+from inspect import isclass
+from itertools import islice
+from types import MappingProxyType
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    DefaultDict,
+    Dict,
+    Iterable,
+    List,
+    Optional,
+    Sequence,
+    Set,
+    Tuple,
+    Union,
+)
+
+from pip._vendor.rich.repr import RichReprResult
+
+try:
+    import attr as _attr_module
+
+    _has_attrs = hasattr(_attr_module, "ib")
+except ImportError:  # pragma: no cover
+    _has_attrs = False
+
+from . import get_console
+from ._loop import loop_last
+from ._pick import pick_bool
+from .abc import RichRenderable
+from .cells import cell_len
+from .highlighter import ReprHighlighter
+from .jupyter import JupyterMixin, JupyterRenderable
+from .measure import Measurement
+from .text import Text
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        HighlighterType,
+        JustifyMethod,
+        OverflowMethod,
+        RenderResult,
+    )
+
+
+def _is_attr_object(obj: Any) -> bool:
+    """Check if an object was created with attrs module."""
+    return _has_attrs and _attr_module.has(type(obj))
+
+
+def _get_attr_fields(obj: Any) -> Sequence["_attr_module.Attribute[Any]"]:
+    """Get fields for an attrs object."""
+    return _attr_module.fields(type(obj)) if _has_attrs else []
+
+
+def _is_dataclass_repr(obj: object) -> bool:
+    """Check if an instance of a dataclass contains the default repr.
+
+    Args:
+        obj (object): A dataclass instance.
+
+    Returns:
+        bool: True if the default repr is used, False if there is a custom repr.
+    """
+    # Digging in to a lot of internals here
+    # Catching all exceptions in case something is missing on a non CPython implementation
+    try:
+        return obj.__repr__.__code__.co_filename == dataclasses.__file__
+    except Exception:  # pragma: no coverage
+        return False
+
+
+_dummy_namedtuple = collections.namedtuple("_dummy_namedtuple", [])
+
+
+def _has_default_namedtuple_repr(obj: object) -> bool:
+    """Check if an instance of namedtuple contains the default repr
+
+    Args:
+        obj (object): A namedtuple
+
+    Returns:
+        bool: True if the default repr is used, False if there's a custom repr.
+    """
+    obj_file = None
+    try:
+        obj_file = inspect.getfile(obj.__repr__)
+    except (OSError, TypeError):
+        # OSError handles case where object is defined in __main__ scope, e.g. REPL - no filename available.
+        # TypeError trapped defensively, in case of object without filename slips through.
+        pass
+    default_repr_file = inspect.getfile(_dummy_namedtuple.__repr__)
+    return obj_file == default_repr_file
+
+
+def _ipy_display_hook(
+    value: Any,
+    console: Optional["Console"] = None,
+    overflow: "OverflowMethod" = "ignore",
+    crop: bool = False,
+    indent_guides: bool = False,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+    expand_all: bool = False,
+) -> Union[str, None]:
+    # needed here to prevent circular import:
+    from .console import ConsoleRenderable
+
+    # always skip rich generated jupyter renderables or None values
+    if _safe_isinstance(value, JupyterRenderable) or value is None:
+        return None
+
+    console = console or get_console()
+
+    with console.capture() as capture:
+        # certain renderables should start on a new line
+        if _safe_isinstance(value, ConsoleRenderable):
+            console.line()
+        console.print(
+            value
+            if _safe_isinstance(value, RichRenderable)
+            else Pretty(
+                value,
+                overflow=overflow,
+                indent_guides=indent_guides,
+                max_length=max_length,
+                max_string=max_string,
+                max_depth=max_depth,
+                expand_all=expand_all,
+                margin=12,
+            ),
+            crop=crop,
+            new_line_start=True,
+            end="",
+        )
+    # strip trailing newline, not usually part of a text repr
+    # I'm not sure if this should be prevented at a lower level
+    return capture.get().rstrip("\n")
+
+
+def _safe_isinstance(
+    obj: object, class_or_tuple: Union[type, Tuple[type, ...]]
+) -> bool:
+    """isinstance can fail in rare cases, for example types with no __class__"""
+    try:
+        return isinstance(obj, class_or_tuple)
+    except Exception:
+        return False
+
+
+def install(
+    console: Optional["Console"] = None,
+    overflow: "OverflowMethod" = "ignore",
+    crop: bool = False,
+    indent_guides: bool = False,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+    expand_all: bool = False,
+) -> None:
+    """Install automatic pretty printing in the Python REPL.
+
+    Args:
+        console (Console, optional): Console instance or ``None`` to use global console. Defaults to None.
+        overflow (Optional[OverflowMethod], optional): Overflow method. Defaults to "ignore".
+        crop (Optional[bool], optional): Enable cropping of long lines. Defaults to False.
+        indent_guides (bool, optional): Enable indentation guides. Defaults to False.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to None.
+        max_depth (int, optional): Maximum depth of nested data structures, or None for no maximum. Defaults to None.
+        expand_all (bool, optional): Expand all containers. Defaults to False.
+        max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+    """
+    from pip._vendor.rich import get_console
+
+    console = console or get_console()
+    assert console is not None
+
+    def display_hook(value: Any) -> None:
+        """Replacement sys.displayhook which prettifies objects with Rich."""
+        if value is not None:
+            assert console is not None
+            builtins._ = None  # type: ignore[attr-defined]
+            console.print(
+                value
+                if _safe_isinstance(value, RichRenderable)
+                else Pretty(
+                    value,
+                    overflow=overflow,
+                    indent_guides=indent_guides,
+                    max_length=max_length,
+                    max_string=max_string,
+                    max_depth=max_depth,
+                    expand_all=expand_all,
+                ),
+                crop=crop,
+            )
+            builtins._ = value  # type: ignore[attr-defined]
+
+    if "get_ipython" in globals():
+        ip = get_ipython()  # type: ignore[name-defined]
+        from IPython.core.formatters import BaseFormatter
+
+        class RichFormatter(BaseFormatter):  # type: ignore[misc]
+            pprint: bool = True
+
+            def __call__(self, value: Any) -> Any:
+                if self.pprint:
+                    return _ipy_display_hook(
+                        value,
+                        console=get_console(),
+                        overflow=overflow,
+                        indent_guides=indent_guides,
+                        max_length=max_length,
+                        max_string=max_string,
+                        max_depth=max_depth,
+                        expand_all=expand_all,
+                    )
+                else:
+                    return repr(value)
+
+        # replace plain text formatter with rich formatter
+        rich_formatter = RichFormatter()
+        ip.display_formatter.formatters["text/plain"] = rich_formatter
+    else:
+        sys.displayhook = display_hook
+
+
+class Pretty(JupyterMixin):
+    """A rich renderable that pretty prints an object.
+
+    Args:
+        _object (Any): An object to pretty print.
+        highlighter (HighlighterType, optional): Highlighter object to apply to result, or None for ReprHighlighter. Defaults to None.
+        indent_size (int, optional): Number of spaces in indent. Defaults to 4.
+        justify (JustifyMethod, optional): Justify method, or None for default. Defaults to None.
+        overflow (OverflowMethod, optional): Overflow method, or None for default. Defaults to None.
+        no_wrap (Optional[bool], optional): Disable word wrapping. Defaults to False.
+        indent_guides (bool, optional): Enable indentation guides. Defaults to False.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to None.
+        max_depth (int, optional): Maximum depth of nested data structures, or None for no maximum. Defaults to None.
+        expand_all (bool, optional): Expand all containers. Defaults to False.
+        margin (int, optional): Subtrace a margin from width to force containers to expand earlier. Defaults to 0.
+        insert_line (bool, optional): Insert a new line if the output has multiple new lines. Defaults to False.
+    """
+
+    def __init__(
+        self,
+        _object: Any,
+        highlighter: Optional["HighlighterType"] = None,
+        *,
+        indent_size: int = 4,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = False,
+        indent_guides: bool = False,
+        max_length: Optional[int] = None,
+        max_string: Optional[int] = None,
+        max_depth: Optional[int] = None,
+        expand_all: bool = False,
+        margin: int = 0,
+        insert_line: bool = False,
+    ) -> None:
+        self._object = _object
+        self.highlighter = highlighter or ReprHighlighter()
+        self.indent_size = indent_size
+        self.justify: Optional["JustifyMethod"] = justify
+        self.overflow: Optional["OverflowMethod"] = overflow
+        self.no_wrap = no_wrap
+        self.indent_guides = indent_guides
+        self.max_length = max_length
+        self.max_string = max_string
+        self.max_depth = max_depth
+        self.expand_all = expand_all
+        self.margin = margin
+        self.insert_line = insert_line
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        pretty_str = pretty_repr(
+            self._object,
+            max_width=options.max_width - self.margin,
+            indent_size=self.indent_size,
+            max_length=self.max_length,
+            max_string=self.max_string,
+            max_depth=self.max_depth,
+            expand_all=self.expand_all,
+        )
+        pretty_text = Text.from_ansi(
+            pretty_str,
+            justify=self.justify or options.justify,
+            overflow=self.overflow or options.overflow,
+            no_wrap=pick_bool(self.no_wrap, options.no_wrap),
+            style="pretty",
+        )
+        pretty_text = (
+            self.highlighter(pretty_text)
+            if pretty_text
+            else Text(
+                f"{type(self._object)}.__repr__ returned empty string",
+                style="dim italic",
+            )
+        )
+        if self.indent_guides and not options.ascii_only:
+            pretty_text = pretty_text.with_indent_guides(
+                self.indent_size, style="repr.indent"
+            )
+        if self.insert_line and "\n" in pretty_text:
+            yield ""
+        yield pretty_text
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        pretty_str = pretty_repr(
+            self._object,
+            max_width=options.max_width,
+            indent_size=self.indent_size,
+            max_length=self.max_length,
+            max_string=self.max_string,
+            max_depth=self.max_depth,
+            expand_all=self.expand_all,
+        )
+        text_width = (
+            max(cell_len(line) for line in pretty_str.splitlines()) if pretty_str else 0
+        )
+        return Measurement(text_width, text_width)
+
+
+def _get_braces_for_defaultdict(_object: DefaultDict[Any, Any]) -> Tuple[str, str, str]:
+    return (
+        f"defaultdict({_object.default_factory!r}, {{",
+        "})",
+        f"defaultdict({_object.default_factory!r}, {{}})",
+    )
+
+
+def _get_braces_for_array(_object: "array[Any]") -> Tuple[str, str, str]:
+    return (f"array({_object.typecode!r}, [", "])", f"array({_object.typecode!r})")
+
+
+_BRACES: Dict[type, Callable[[Any], Tuple[str, str, str]]] = {
+    os._Environ: lambda _object: ("environ({", "})", "environ({})"),
+    array: _get_braces_for_array,
+    defaultdict: _get_braces_for_defaultdict,
+    Counter: lambda _object: ("Counter({", "})", "Counter()"),
+    deque: lambda _object: ("deque([", "])", "deque()"),
+    dict: lambda _object: ("{", "}", "{}"),
+    UserDict: lambda _object: ("{", "}", "{}"),
+    frozenset: lambda _object: ("frozenset({", "})", "frozenset()"),
+    list: lambda _object: ("[", "]", "[]"),
+    UserList: lambda _object: ("[", "]", "[]"),
+    set: lambda _object: ("{", "}", "set()"),
+    tuple: lambda _object: ("(", ")", "()"),
+    MappingProxyType: lambda _object: ("mappingproxy({", "})", "mappingproxy({})"),
+}
+_CONTAINERS = tuple(_BRACES.keys())
+_MAPPING_CONTAINERS = (dict, os._Environ, MappingProxyType, UserDict)
+
+
+def is_expandable(obj: Any) -> bool:
+    """Check if an object may be expanded by pretty print."""
+    return (
+        _safe_isinstance(obj, _CONTAINERS)
+        or (is_dataclass(obj))
+        or (hasattr(obj, "__rich_repr__"))
+        or _is_attr_object(obj)
+    ) and not isclass(obj)
+
+
+@dataclass
+class Node:
+    """A node in a repr tree. May be atomic or a container."""
+
+    key_repr: str = ""
+    value_repr: str = ""
+    open_brace: str = ""
+    close_brace: str = ""
+    empty: str = ""
+    last: bool = False
+    is_tuple: bool = False
+    is_namedtuple: bool = False
+    children: Optional[List["Node"]] = None
+    key_separator: str = ": "
+    separator: str = ", "
+
+    def iter_tokens(self) -> Iterable[str]:
+        """Generate tokens for this node."""
+        if self.key_repr:
+            yield self.key_repr
+            yield self.key_separator
+        if self.value_repr:
+            yield self.value_repr
+        elif self.children is not None:
+            if self.children:
+                yield self.open_brace
+                if self.is_tuple and not self.is_namedtuple and len(self.children) == 1:
+                    yield from self.children[0].iter_tokens()
+                    yield ","
+                else:
+                    for child in self.children:
+                        yield from child.iter_tokens()
+                        if not child.last:
+                            yield self.separator
+                yield self.close_brace
+            else:
+                yield self.empty
+
+    def check_length(self, start_length: int, max_length: int) -> bool:
+        """Check the length fits within a limit.
+
+        Args:
+            start_length (int): Starting length of the line (indent, prefix, suffix).
+            max_length (int): Maximum length.
+
+        Returns:
+            bool: True if the node can be rendered within max length, otherwise False.
+        """
+        total_length = start_length
+        for token in self.iter_tokens():
+            total_length += cell_len(token)
+            if total_length > max_length:
+                return False
+        return True
+
+    def __str__(self) -> str:
+        repr_text = "".join(self.iter_tokens())
+        return repr_text
+
+    def render(
+        self, max_width: int = 80, indent_size: int = 4, expand_all: bool = False
+    ) -> str:
+        """Render the node to a pretty repr.
+
+        Args:
+            max_width (int, optional): Maximum width of the repr. Defaults to 80.
+            indent_size (int, optional): Size of indents. Defaults to 4.
+            expand_all (bool, optional): Expand all levels. Defaults to False.
+
+        Returns:
+            str: A repr string of the original object.
+        """
+        lines = [_Line(node=self, is_root=True)]
+        line_no = 0
+        while line_no < len(lines):
+            line = lines[line_no]
+            if line.expandable and not line.expanded:
+                if expand_all or not line.check_length(max_width):
+                    lines[line_no : line_no + 1] = line.expand(indent_size)
+            line_no += 1
+
+        repr_str = "\n".join(str(line) for line in lines)
+        return repr_str
+
+
+@dataclass
+class _Line:
+    """A line in repr output."""
+
+    parent: Optional["_Line"] = None
+    is_root: bool = False
+    node: Optional[Node] = None
+    text: str = ""
+    suffix: str = ""
+    whitespace: str = ""
+    expanded: bool = False
+    last: bool = False
+
+    @property
+    def expandable(self) -> bool:
+        """Check if the line may be expanded."""
+        return bool(self.node is not None and self.node.children)
+
+    def check_length(self, max_length: int) -> bool:
+        """Check this line fits within a given number of cells."""
+        start_length = (
+            len(self.whitespace) + cell_len(self.text) + cell_len(self.suffix)
+        )
+        assert self.node is not None
+        return self.node.check_length(start_length, max_length)
+
+    def expand(self, indent_size: int) -> Iterable["_Line"]:
+        """Expand this line by adding children on their own line."""
+        node = self.node
+        assert node is not None
+        whitespace = self.whitespace
+        assert node.children
+        if node.key_repr:
+            new_line = yield _Line(
+                text=f"{node.key_repr}{node.key_separator}{node.open_brace}",
+                whitespace=whitespace,
+            )
+        else:
+            new_line = yield _Line(text=node.open_brace, whitespace=whitespace)
+        child_whitespace = self.whitespace + " " * indent_size
+        tuple_of_one = node.is_tuple and len(node.children) == 1
+        for last, child in loop_last(node.children):
+            separator = "," if tuple_of_one else node.separator
+            line = _Line(
+                parent=new_line,
+                node=child,
+                whitespace=child_whitespace,
+                suffix=separator,
+                last=last and not tuple_of_one,
+            )
+            yield line
+
+        yield _Line(
+            text=node.close_brace,
+            whitespace=whitespace,
+            suffix=self.suffix,
+            last=self.last,
+        )
+
+    def __str__(self) -> str:
+        if self.last:
+            return f"{self.whitespace}{self.text}{self.node or ''}"
+        else:
+            return (
+                f"{self.whitespace}{self.text}{self.node or ''}{self.suffix.rstrip()}"
+            )
+
+
+def _is_namedtuple(obj: Any) -> bool:
+    """Checks if an object is most likely a namedtuple. It is possible
+    to craft an object that passes this check and isn't a namedtuple, but
+    there is only a minuscule chance of this happening unintentionally.
+
+    Args:
+        obj (Any): The object to test
+
+    Returns:
+        bool: True if the object is a namedtuple. False otherwise.
+    """
+    try:
+        fields = getattr(obj, "_fields", None)
+    except Exception:
+        # Being very defensive - if we cannot get the attr then its not a namedtuple
+        return False
+    return isinstance(obj, tuple) and isinstance(fields, tuple)
+
+
+def traverse(
+    _object: Any,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+) -> Node:
+    """Traverse object and generate a tree.
+
+    Args:
+        _object (Any): Object to be traversed.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable truncating.
+            Defaults to None.
+        max_depth (int, optional): Maximum depth of data structures, or None for no maximum.
+            Defaults to None.
+
+    Returns:
+        Node: The root of a tree structure which can be used to render a pretty repr.
+    """
+
+    def to_repr(obj: Any) -> str:
+        """Get repr string for an object, but catch errors."""
+        if (
+            max_string is not None
+            and _safe_isinstance(obj, (bytes, str))
+            and len(obj) > max_string
+        ):
+            truncated = len(obj) - max_string
+            obj_repr = f"{obj[:max_string]!r}+{truncated}"
+        else:
+            try:
+                obj_repr = repr(obj)
+            except Exception as error:
+                obj_repr = f"<repr-error {str(error)!r}>"
+        return obj_repr
+
+    visited_ids: Set[int] = set()
+    push_visited = visited_ids.add
+    pop_visited = visited_ids.remove
+
+    def _traverse(obj: Any, root: bool = False, depth: int = 0) -> Node:
+        """Walk the object depth first."""
+
+        obj_id = id(obj)
+        if obj_id in visited_ids:
+            # Recursion detected
+            return Node(value_repr="...")
+
+        obj_type = type(obj)
+        children: List[Node]
+        reached_max_depth = max_depth is not None and depth >= max_depth
+
+        def iter_rich_args(rich_args: Any) -> Iterable[Union[Any, Tuple[str, Any]]]:
+            for arg in rich_args:
+                if _safe_isinstance(arg, tuple):
+                    if len(arg) == 3:
+                        key, child, default = arg
+                        if default == child:
+                            continue
+                        yield key, child
+                    elif len(arg) == 2:
+                        key, child = arg
+                        yield key, child
+                    elif len(arg) == 1:
+                        yield arg[0]
+                else:
+                    yield arg
+
+        try:
+            fake_attributes = hasattr(
+                obj, "awehoi234_wdfjwljet234_234wdfoijsdfmmnxpi492"
+            )
+        except Exception:
+            fake_attributes = False
+
+        rich_repr_result: Optional[RichReprResult] = None
+        if not fake_attributes:
+            try:
+                if hasattr(obj, "__rich_repr__") and not isclass(obj):
+                    rich_repr_result = obj.__rich_repr__()
+            except Exception:
+                pass
+
+        if rich_repr_result is not None:
+            push_visited(obj_id)
+            angular = getattr(obj.__rich_repr__, "angular", False)
+            args = list(iter_rich_args(rich_repr_result))
+            class_name = obj.__class__.__name__
+
+            if args:
+                children = []
+                append = children.append
+
+                if reached_max_depth:
+                    if angular:
+                        node = Node(value_repr=f"<{class_name}...>")
+                    else:
+                        node = Node(value_repr=f"{class_name}(...)")
+                else:
+                    if angular:
+                        node = Node(
+                            open_brace=f"<{class_name} ",
+                            close_brace=">",
+                            children=children,
+                            last=root,
+                            separator=" ",
+                        )
+                    else:
+                        node = Node(
+                            open_brace=f"{class_name}(",
+                            close_brace=")",
+                            children=children,
+                            last=root,
+                        )
+                    for last, arg in loop_last(args):
+                        if _safe_isinstance(arg, tuple):
+                            key, child = arg
+                            child_node = _traverse(child, depth=depth + 1)
+                            child_node.last = last
+                            child_node.key_repr = key
+                            child_node.key_separator = "="
+                            append(child_node)
+                        else:
+                            child_node = _traverse(arg, depth=depth + 1)
+                            child_node.last = last
+                            append(child_node)
+            else:
+                node = Node(
+                    value_repr=f"<{class_name}>" if angular else f"{class_name}()",
+                    children=[],
+                    last=root,
+                )
+            pop_visited(obj_id)
+        elif _is_attr_object(obj) and not fake_attributes:
+            push_visited(obj_id)
+            children = []
+            append = children.append
+
+            attr_fields = _get_attr_fields(obj)
+            if attr_fields:
+                if reached_max_depth:
+                    node = Node(value_repr=f"{obj.__class__.__name__}(...)")
+                else:
+                    node = Node(
+                        open_brace=f"{obj.__class__.__name__}(",
+                        close_brace=")",
+                        children=children,
+                        last=root,
+                    )
+
+                    def iter_attrs() -> Iterable[
+                        Tuple[str, Any, Optional[Callable[[Any], str]]]
+                    ]:
+                        """Iterate over attr fields and values."""
+                        for attr in attr_fields:
+                            if attr.repr:
+                                try:
+                                    value = getattr(obj, attr.name)
+                                except Exception as error:
+                                    # Can happen, albeit rarely
+                                    yield (attr.name, error, None)
+                                else:
+                                    yield (
+                                        attr.name,
+                                        value,
+                                        attr.repr if callable(attr.repr) else None,
+                                    )
+
+                    for last, (name, value, repr_callable) in loop_last(iter_attrs()):
+                        if repr_callable:
+                            child_node = Node(value_repr=str(repr_callable(value)))
+                        else:
+                            child_node = _traverse(value, depth=depth + 1)
+                        child_node.last = last
+                        child_node.key_repr = name
+                        child_node.key_separator = "="
+                        append(child_node)
+            else:
+                node = Node(
+                    value_repr=f"{obj.__class__.__name__}()", children=[], last=root
+                )
+            pop_visited(obj_id)
+        elif (
+            is_dataclass(obj)
+            and not _safe_isinstance(obj, type)
+            and not fake_attributes
+            and _is_dataclass_repr(obj)
+        ):
+            push_visited(obj_id)
+            children = []
+            append = children.append
+            if reached_max_depth:
+                node = Node(value_repr=f"{obj.__class__.__name__}(...)")
+            else:
+                node = Node(
+                    open_brace=f"{obj.__class__.__name__}(",
+                    close_brace=")",
+                    children=children,
+                    last=root,
+                    empty=f"{obj.__class__.__name__}()",
+                )
+
+                for last, field in loop_last(
+                    field for field in fields(obj) if field.repr
+                ):
+                    child_node = _traverse(getattr(obj, field.name), depth=depth + 1)
+                    child_node.key_repr = field.name
+                    child_node.last = last
+                    child_node.key_separator = "="
+                    append(child_node)
+
+            pop_visited(obj_id)
+        elif _is_namedtuple(obj) and _has_default_namedtuple_repr(obj):
+            push_visited(obj_id)
+            class_name = obj.__class__.__name__
+            if reached_max_depth:
+                # If we've reached the max depth, we still show the class name, but not its contents
+                node = Node(
+                    value_repr=f"{class_name}(...)",
+                )
+            else:
+                children = []
+                append = children.append
+                node = Node(
+                    open_brace=f"{class_name}(",
+                    close_brace=")",
+                    children=children,
+                    empty=f"{class_name}()",
+                )
+                for last, (key, value) in loop_last(obj._asdict().items()):
+                    child_node = _traverse(value, depth=depth + 1)
+                    child_node.key_repr = key
+                    child_node.last = last
+                    child_node.key_separator = "="
+                    append(child_node)
+            pop_visited(obj_id)
+        elif _safe_isinstance(obj, _CONTAINERS):
+            for container_type in _CONTAINERS:
+                if _safe_isinstance(obj, container_type):
+                    obj_type = container_type
+                    break
+
+            push_visited(obj_id)
+
+            open_brace, close_brace, empty = _BRACES[obj_type](obj)
+
+            if reached_max_depth:
+                node = Node(value_repr=f"{open_brace}...{close_brace}")
+            elif obj_type.__repr__ != type(obj).__repr__:
+                node = Node(value_repr=to_repr(obj), last=root)
+            elif obj:
+                children = []
+                node = Node(
+                    open_brace=open_brace,
+                    close_brace=close_brace,
+                    children=children,
+                    last=root,
+                )
+                append = children.append
+                num_items = len(obj)
+                last_item_index = num_items - 1
+
+                if _safe_isinstance(obj, _MAPPING_CONTAINERS):
+                    iter_items = iter(obj.items())
+                    if max_length is not None:
+                        iter_items = islice(iter_items, max_length)
+                    for index, (key, child) in enumerate(iter_items):
+                        child_node = _traverse(child, depth=depth + 1)
+                        child_node.key_repr = to_repr(key)
+                        child_node.last = index == last_item_index
+                        append(child_node)
+                else:
+                    iter_values = iter(obj)
+                    if max_length is not None:
+                        iter_values = islice(iter_values, max_length)
+                    for index, child in enumerate(iter_values):
+                        child_node = _traverse(child, depth=depth + 1)
+                        child_node.last = index == last_item_index
+                        append(child_node)
+                if max_length is not None and num_items > max_length:
+                    append(Node(value_repr=f"... +{num_items - max_length}", last=True))
+            else:
+                node = Node(empty=empty, children=[], last=root)
+
+            pop_visited(obj_id)
+        else:
+            node = Node(value_repr=to_repr(obj), last=root)
+        node.is_tuple = _safe_isinstance(obj, tuple)
+        node.is_namedtuple = _is_namedtuple(obj)
+        return node
+
+    node = _traverse(_object, root=True)
+    return node
+
+
+def pretty_repr(
+    _object: Any,
+    *,
+    max_width: int = 80,
+    indent_size: int = 4,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+    expand_all: bool = False,
+) -> str:
+    """Prettify repr string by expanding on to new lines to fit within a given width.
+
+    Args:
+        _object (Any): Object to repr.
+        max_width (int, optional): Desired maximum width of repr string. Defaults to 80.
+        indent_size (int, optional): Number of spaces to indent. Defaults to 4.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable truncating.
+            Defaults to None.
+        max_depth (int, optional): Maximum depth of nested data structure, or None for no depth.
+            Defaults to None.
+        expand_all (bool, optional): Expand all containers regardless of available width. Defaults to False.
+
+    Returns:
+        str: A possibly multi-line representation of the object.
+    """
+
+    if _safe_isinstance(_object, Node):
+        node = _object
+    else:
+        node = traverse(
+            _object, max_length=max_length, max_string=max_string, max_depth=max_depth
+        )
+    repr_str: str = node.render(
+        max_width=max_width, indent_size=indent_size, expand_all=expand_all
+    )
+    return repr_str
+
+
+def pprint(
+    _object: Any,
+    *,
+    console: Optional["Console"] = None,
+    indent_guides: bool = True,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+    max_depth: Optional[int] = None,
+    expand_all: bool = False,
+) -> None:
+    """A convenience function for pretty printing.
+
+    Args:
+        _object (Any): Object to pretty print.
+        console (Console, optional): Console instance, or None to use default. Defaults to None.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of strings before truncating, or None to disable. Defaults to None.
+        max_depth (int, optional): Maximum depth for nested data structures, or None for unlimited depth. Defaults to None.
+        indent_guides (bool, optional): Enable indentation guides. Defaults to True.
+        expand_all (bool, optional): Expand all containers. Defaults to False.
+    """
+    _console = get_console() if console is None else console
+    _console.print(
+        Pretty(
+            _object,
+            max_length=max_length,
+            max_string=max_string,
+            max_depth=max_depth,
+            indent_guides=indent_guides,
+            expand_all=expand_all,
+            overflow="ignore",
+        ),
+        soft_wrap=True,
+    )
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    class BrokenRepr:
+        def __repr__(self) -> str:
+            1 / 0
+            return "this will fail"
+
+    from typing import NamedTuple
+
+    class StockKeepingUnit(NamedTuple):
+        name: str
+        description: str
+        price: float
+        category: str
+        reviews: List[str]
+
+    d = defaultdict(int)
+    d["foo"] = 5
+    data = {
+        "foo": [
+            1,
+            "Hello World!",
+            100.123,
+            323.232,
+            432324.0,
+            {5, 6, 7, (1, 2, 3, 4), 8},
+        ],
+        "bar": frozenset({1, 2, 3}),
+        "defaultdict": defaultdict(
+            list, {"crumble": ["apple", "rhubarb", "butter", "sugar", "flour"]}
+        ),
+        "counter": Counter(
+            [
+                "apple",
+                "orange",
+                "pear",
+                "kumquat",
+                "kumquat",
+                "durian" * 100,
+            ]
+        ),
+        "atomic": (False, True, None),
+        "namedtuple": StockKeepingUnit(
+            "Sparkling British Spring Water",
+            "Carbonated spring water",
+            0.9,
+            "water",
+            ["its amazing!", "its terrible!"],
+        ),
+        "Broken": BrokenRepr(),
+    }
+    data["foo"].append(data)  # type: ignore[attr-defined]
+
+    from pip._vendor.rich import print
+
+    # print(Pretty(data, indent_guides=True, max_string=20))
+
+    class Thing:
+        def __repr__(self) -> str:
+            return "Hello\x1b[38;5;239m World!"
+
+    print(Pretty(Thing()))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/progress.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/progress.py
new file mode 100644
index 00000000..8b0a315f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/progress.py
@@ -0,0 +1,1702 @@
+import io
+import sys
+import typing
+import warnings
+from abc import ABC, abstractmethod
+from collections import deque
+from dataclasses import dataclass, field
+from datetime import timedelta
+from io import RawIOBase, UnsupportedOperation
+from math import ceil
+from mmap import mmap
+from operator import length_hint
+from os import PathLike, stat
+from threading import Event, RLock, Thread
+from types import TracebackType
+from typing import (
+    Any,
+    BinaryIO,
+    Callable,
+    ContextManager,
+    Deque,
+    Dict,
+    Generic,
+    Iterable,
+    List,
+    NamedTuple,
+    NewType,
+    Optional,
+    Sequence,
+    TextIO,
+    Tuple,
+    Type,
+    TypeVar,
+    Union,
+)
+
+if sys.version_info >= (3, 8):
+    from typing import Literal
+else:
+    from pip._vendor.typing_extensions import Literal  # pragma: no cover
+
+from . import filesize, get_console
+from .console import Console, Group, JustifyMethod, RenderableType
+from .highlighter import Highlighter
+from .jupyter import JupyterMixin
+from .live import Live
+from .progress_bar import ProgressBar
+from .spinner import Spinner
+from .style import StyleType
+from .table import Column, Table
+from .text import Text, TextType
+
+TaskID = NewType("TaskID", int)
+
+ProgressType = TypeVar("ProgressType")
+
+GetTimeCallable = Callable[[], float]
+
+
+_I = typing.TypeVar("_I", TextIO, BinaryIO)
+
+
+class _TrackThread(Thread):
+    """A thread to periodically update progress."""
+
+    def __init__(self, progress: "Progress", task_id: "TaskID", update_period: float):
+        self.progress = progress
+        self.task_id = task_id
+        self.update_period = update_period
+        self.done = Event()
+
+        self.completed = 0
+        super().__init__()
+
+    def run(self) -> None:
+        task_id = self.task_id
+        advance = self.progress.advance
+        update_period = self.update_period
+        last_completed = 0
+        wait = self.done.wait
+        while not wait(update_period):
+            completed = self.completed
+            if last_completed != completed:
+                advance(task_id, completed - last_completed)
+                last_completed = completed
+
+        self.progress.update(self.task_id, completed=self.completed, refresh=True)
+
+    def __enter__(self) -> "_TrackThread":
+        self.start()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.done.set()
+        self.join()
+
+
+def track(
+    sequence: Union[Sequence[ProgressType], Iterable[ProgressType]],
+    description: str = "Working...",
+    total: Optional[float] = None,
+    auto_refresh: bool = True,
+    console: Optional[Console] = None,
+    transient: bool = False,
+    get_time: Optional[Callable[[], float]] = None,
+    refresh_per_second: float = 10,
+    style: StyleType = "bar.back",
+    complete_style: StyleType = "bar.complete",
+    finished_style: StyleType = "bar.finished",
+    pulse_style: StyleType = "bar.pulse",
+    update_period: float = 0.1,
+    disable: bool = False,
+    show_speed: bool = True,
+) -> Iterable[ProgressType]:
+    """Track progress by iterating over a sequence.
+
+    Args:
+        sequence (Iterable[ProgressType]): A sequence (must support "len") you wish to iterate over.
+        description (str, optional): Description of task show next to progress bar. Defaults to "Working".
+        total: (float, optional): Total number of steps. Default is len(sequence).
+        auto_refresh (bool, optional): Automatic refresh, disable to force a refresh after each iteration. Default is True.
+        transient: (bool, optional): Clear the progress on exit. Defaults to False.
+        console (Console, optional): Console to write to. Default creates internal Console instance.
+        refresh_per_second (float): Number of times per second to refresh the progress information. Defaults to 10.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.finished".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+        update_period (float, optional): Minimum time (in seconds) between calls to update(). Defaults to 0.1.
+        disable (bool, optional): Disable display of progress.
+        show_speed (bool, optional): Show speed if total isn't known. Defaults to True.
+    Returns:
+        Iterable[ProgressType]: An iterable of the values in the sequence.
+
+    """
+
+    columns: List["ProgressColumn"] = (
+        [TextColumn("[progress.description]{task.description}")] if description else []
+    )
+    columns.extend(
+        (
+            BarColumn(
+                style=style,
+                complete_style=complete_style,
+                finished_style=finished_style,
+                pulse_style=pulse_style,
+            ),
+            TaskProgressColumn(show_speed=show_speed),
+            TimeRemainingColumn(elapsed_when_finished=True),
+        )
+    )
+    progress = Progress(
+        *columns,
+        auto_refresh=auto_refresh,
+        console=console,
+        transient=transient,
+        get_time=get_time,
+        refresh_per_second=refresh_per_second or 10,
+        disable=disable,
+    )
+
+    with progress:
+        yield from progress.track(
+            sequence, total=total, description=description, update_period=update_period
+        )
+
+
+class _Reader(RawIOBase, BinaryIO):
+    """A reader that tracks progress while it's being read from."""
+
+    def __init__(
+        self,
+        handle: BinaryIO,
+        progress: "Progress",
+        task: TaskID,
+        close_handle: bool = True,
+    ) -> None:
+        self.handle = handle
+        self.progress = progress
+        self.task = task
+        self.close_handle = close_handle
+        self._closed = False
+
+    def __enter__(self) -> "_Reader":
+        self.handle.__enter__()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.close()
+
+    def __iter__(self) -> BinaryIO:
+        return self
+
+    def __next__(self) -> bytes:
+        line = next(self.handle)
+        self.progress.advance(self.task, advance=len(line))
+        return line
+
+    @property
+    def closed(self) -> bool:
+        return self._closed
+
+    def fileno(self) -> int:
+        return self.handle.fileno()
+
+    def isatty(self) -> bool:
+        return self.handle.isatty()
+
+    @property
+    def mode(self) -> str:
+        return self.handle.mode
+
+    @property
+    def name(self) -> str:
+        return self.handle.name
+
+    def readable(self) -> bool:
+        return self.handle.readable()
+
+    def seekable(self) -> bool:
+        return self.handle.seekable()
+
+    def writable(self) -> bool:
+        return False
+
+    def read(self, size: int = -1) -> bytes:
+        block = self.handle.read(size)
+        self.progress.advance(self.task, advance=len(block))
+        return block
+
+    def readinto(self, b: Union[bytearray, memoryview, mmap]):  # type: ignore[no-untyped-def, override]
+        n = self.handle.readinto(b)  # type: ignore[attr-defined]
+        self.progress.advance(self.task, advance=n)
+        return n
+
+    def readline(self, size: int = -1) -> bytes:  # type: ignore[override]
+        line = self.handle.readline(size)
+        self.progress.advance(self.task, advance=len(line))
+        return line
+
+    def readlines(self, hint: int = -1) -> List[bytes]:
+        lines = self.handle.readlines(hint)
+        self.progress.advance(self.task, advance=sum(map(len, lines)))
+        return lines
+
+    def close(self) -> None:
+        if self.close_handle:
+            self.handle.close()
+        self._closed = True
+
+    def seek(self, offset: int, whence: int = 0) -> int:
+        pos = self.handle.seek(offset, whence)
+        self.progress.update(self.task, completed=pos)
+        return pos
+
+    def tell(self) -> int:
+        return self.handle.tell()
+
+    def write(self, s: Any) -> int:
+        raise UnsupportedOperation("write")
+
+
+class _ReadContext(ContextManager[_I], Generic[_I]):
+    """A utility class to handle a context for both a reader and a progress."""
+
+    def __init__(self, progress: "Progress", reader: _I) -> None:
+        self.progress = progress
+        self.reader: _I = reader
+
+    def __enter__(self) -> _I:
+        self.progress.start()
+        return self.reader.__enter__()
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.progress.stop()
+        self.reader.__exit__(exc_type, exc_val, exc_tb)
+
+
+def wrap_file(
+    file: BinaryIO,
+    total: int,
+    *,
+    description: str = "Reading...",
+    auto_refresh: bool = True,
+    console: Optional[Console] = None,
+    transient: bool = False,
+    get_time: Optional[Callable[[], float]] = None,
+    refresh_per_second: float = 10,
+    style: StyleType = "bar.back",
+    complete_style: StyleType = "bar.complete",
+    finished_style: StyleType = "bar.finished",
+    pulse_style: StyleType = "bar.pulse",
+    disable: bool = False,
+) -> ContextManager[BinaryIO]:
+    """Read bytes from a file while tracking progress.
+
+    Args:
+        file (Union[str, PathLike[str], BinaryIO]): The path to the file to read, or a file-like object in binary mode.
+        total (int): Total number of bytes to read.
+        description (str, optional): Description of task show next to progress bar. Defaults to "Reading".
+        auto_refresh (bool, optional): Automatic refresh, disable to force a refresh after each iteration. Default is True.
+        transient: (bool, optional): Clear the progress on exit. Defaults to False.
+        console (Console, optional): Console to write to. Default creates internal Console instance.
+        refresh_per_second (float): Number of times per second to refresh the progress information. Defaults to 10.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.finished".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+        disable (bool, optional): Disable display of progress.
+    Returns:
+        ContextManager[BinaryIO]: A context manager yielding a progress reader.
+
+    """
+
+    columns: List["ProgressColumn"] = (
+        [TextColumn("[progress.description]{task.description}")] if description else []
+    )
+    columns.extend(
+        (
+            BarColumn(
+                style=style,
+                complete_style=complete_style,
+                finished_style=finished_style,
+                pulse_style=pulse_style,
+            ),
+            DownloadColumn(),
+            TimeRemainingColumn(),
+        )
+    )
+    progress = Progress(
+        *columns,
+        auto_refresh=auto_refresh,
+        console=console,
+        transient=transient,
+        get_time=get_time,
+        refresh_per_second=refresh_per_second or 10,
+        disable=disable,
+    )
+
+    reader = progress.wrap_file(file, total=total, description=description)
+    return _ReadContext(progress, reader)
+
+
+@typing.overload
+def open(
+    file: Union[str, "PathLike[str]", bytes],
+    mode: Union[Literal["rt"], Literal["r"]],
+    buffering: int = -1,
+    encoding: Optional[str] = None,
+    errors: Optional[str] = None,
+    newline: Optional[str] = None,
+    *,
+    total: Optional[int] = None,
+    description: str = "Reading...",
+    auto_refresh: bool = True,
+    console: Optional[Console] = None,
+    transient: bool = False,
+    get_time: Optional[Callable[[], float]] = None,
+    refresh_per_second: float = 10,
+    style: StyleType = "bar.back",
+    complete_style: StyleType = "bar.complete",
+    finished_style: StyleType = "bar.finished",
+    pulse_style: StyleType = "bar.pulse",
+    disable: bool = False,
+) -> ContextManager[TextIO]:
+    pass
+
+
+@typing.overload
+def open(
+    file: Union[str, "PathLike[str]", bytes],
+    mode: Literal["rb"],
+    buffering: int = -1,
+    encoding: Optional[str] = None,
+    errors: Optional[str] = None,
+    newline: Optional[str] = None,
+    *,
+    total: Optional[int] = None,
+    description: str = "Reading...",
+    auto_refresh: bool = True,
+    console: Optional[Console] = None,
+    transient: bool = False,
+    get_time: Optional[Callable[[], float]] = None,
+    refresh_per_second: float = 10,
+    style: StyleType = "bar.back",
+    complete_style: StyleType = "bar.complete",
+    finished_style: StyleType = "bar.finished",
+    pulse_style: StyleType = "bar.pulse",
+    disable: bool = False,
+) -> ContextManager[BinaryIO]:
+    pass
+
+
+def open(
+    file: Union[str, "PathLike[str]", bytes],
+    mode: Union[Literal["rb"], Literal["rt"], Literal["r"]] = "r",
+    buffering: int = -1,
+    encoding: Optional[str] = None,
+    errors: Optional[str] = None,
+    newline: Optional[str] = None,
+    *,
+    total: Optional[int] = None,
+    description: str = "Reading...",
+    auto_refresh: bool = True,
+    console: Optional[Console] = None,
+    transient: bool = False,
+    get_time: Optional[Callable[[], float]] = None,
+    refresh_per_second: float = 10,
+    style: StyleType = "bar.back",
+    complete_style: StyleType = "bar.complete",
+    finished_style: StyleType = "bar.finished",
+    pulse_style: StyleType = "bar.pulse",
+    disable: bool = False,
+) -> Union[ContextManager[BinaryIO], ContextManager[TextIO]]:
+    """Read bytes from a file while tracking progress.
+
+    Args:
+        path (Union[str, PathLike[str], BinaryIO]): The path to the file to read, or a file-like object in binary mode.
+        mode (str): The mode to use to open the file. Only supports "r", "rb" or "rt".
+        buffering (int): The buffering strategy to use, see :func:`io.open`.
+        encoding (str, optional): The encoding to use when reading in text mode, see :func:`io.open`.
+        errors (str, optional): The error handling strategy for decoding errors, see :func:`io.open`.
+        newline (str, optional): The strategy for handling newlines in text mode, see :func:`io.open`
+        total: (int, optional): Total number of bytes to read. Must be provided if reading from a file handle. Default for a path is os.stat(file).st_size.
+        description (str, optional): Description of task show next to progress bar. Defaults to "Reading".
+        auto_refresh (bool, optional): Automatic refresh, disable to force a refresh after each iteration. Default is True.
+        transient: (bool, optional): Clear the progress on exit. Defaults to False.
+        console (Console, optional): Console to write to. Default creates internal Console instance.
+        refresh_per_second (float): Number of times per second to refresh the progress information. Defaults to 10.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.finished".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+        disable (bool, optional): Disable display of progress.
+        encoding (str, optional): The encoding to use when reading in text mode.
+
+    Returns:
+        ContextManager[BinaryIO]: A context manager yielding a progress reader.
+
+    """
+
+    columns: List["ProgressColumn"] = (
+        [TextColumn("[progress.description]{task.description}")] if description else []
+    )
+    columns.extend(
+        (
+            BarColumn(
+                style=style,
+                complete_style=complete_style,
+                finished_style=finished_style,
+                pulse_style=pulse_style,
+            ),
+            DownloadColumn(),
+            TimeRemainingColumn(),
+        )
+    )
+    progress = Progress(
+        *columns,
+        auto_refresh=auto_refresh,
+        console=console,
+        transient=transient,
+        get_time=get_time,
+        refresh_per_second=refresh_per_second or 10,
+        disable=disable,
+    )
+
+    reader = progress.open(
+        file,
+        mode=mode,
+        buffering=buffering,
+        encoding=encoding,
+        errors=errors,
+        newline=newline,
+        total=total,
+        description=description,
+    )
+    return _ReadContext(progress, reader)  # type: ignore[return-value, type-var]
+
+
+class ProgressColumn(ABC):
+    """Base class for a widget to use in progress display."""
+
+    max_refresh: Optional[float] = None
+
+    def __init__(self, table_column: Optional[Column] = None) -> None:
+        self._table_column = table_column
+        self._renderable_cache: Dict[TaskID, Tuple[float, RenderableType]] = {}
+        self._update_time: Optional[float] = None
+
+    def get_table_column(self) -> Column:
+        """Get a table column, used to build tasks table."""
+        return self._table_column or Column()
+
+    def __call__(self, task: "Task") -> RenderableType:
+        """Called by the Progress object to return a renderable for the given task.
+
+        Args:
+            task (Task): An object containing information regarding the task.
+
+        Returns:
+            RenderableType: Anything renderable (including str).
+        """
+        current_time = task.get_time()
+        if self.max_refresh is not None and not task.completed:
+            try:
+                timestamp, renderable = self._renderable_cache[task.id]
+            except KeyError:
+                pass
+            else:
+                if timestamp + self.max_refresh > current_time:
+                    return renderable
+
+        renderable = self.render(task)
+        self._renderable_cache[task.id] = (current_time, renderable)
+        return renderable
+
+    @abstractmethod
+    def render(self, task: "Task") -> RenderableType:
+        """Should return a renderable object."""
+
+
+class RenderableColumn(ProgressColumn):
+    """A column to insert an arbitrary column.
+
+    Args:
+        renderable (RenderableType, optional): Any renderable. Defaults to empty string.
+    """
+
+    def __init__(
+        self, renderable: RenderableType = "", *, table_column: Optional[Column] = None
+    ):
+        self.renderable = renderable
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> RenderableType:
+        return self.renderable
+
+
+class SpinnerColumn(ProgressColumn):
+    """A column with a 'spinner' animation.
+
+    Args:
+        spinner_name (str, optional): Name of spinner animation. Defaults to "dots".
+        style (StyleType, optional): Style of spinner. Defaults to "progress.spinner".
+        speed (float, optional): Speed factor of spinner. Defaults to 1.0.
+        finished_text (TextType, optional): Text used when task is finished. Defaults to " ".
+    """
+
+    def __init__(
+        self,
+        spinner_name: str = "dots",
+        style: Optional[StyleType] = "progress.spinner",
+        speed: float = 1.0,
+        finished_text: TextType = " ",
+        table_column: Optional[Column] = None,
+    ):
+        self.spinner = Spinner(spinner_name, style=style, speed=speed)
+        self.finished_text = (
+            Text.from_markup(finished_text)
+            if isinstance(finished_text, str)
+            else finished_text
+        )
+        super().__init__(table_column=table_column)
+
+    def set_spinner(
+        self,
+        spinner_name: str,
+        spinner_style: Optional[StyleType] = "progress.spinner",
+        speed: float = 1.0,
+    ) -> None:
+        """Set a new spinner.
+
+        Args:
+            spinner_name (str): Spinner name, see python -m rich.spinner.
+            spinner_style (Optional[StyleType], optional): Spinner style. Defaults to "progress.spinner".
+            speed (float, optional): Speed factor of spinner. Defaults to 1.0.
+        """
+        self.spinner = Spinner(spinner_name, style=spinner_style, speed=speed)
+
+    def render(self, task: "Task") -> RenderableType:
+        text = (
+            self.finished_text
+            if task.finished
+            else self.spinner.render(task.get_time())
+        )
+        return text
+
+
+class TextColumn(ProgressColumn):
+    """A column containing text."""
+
+    def __init__(
+        self,
+        text_format: str,
+        style: StyleType = "none",
+        justify: JustifyMethod = "left",
+        markup: bool = True,
+        highlighter: Optional[Highlighter] = None,
+        table_column: Optional[Column] = None,
+    ) -> None:
+        self.text_format = text_format
+        self.justify: JustifyMethod = justify
+        self.style = style
+        self.markup = markup
+        self.highlighter = highlighter
+        super().__init__(table_column=table_column or Column(no_wrap=True))
+
+    def render(self, task: "Task") -> Text:
+        _text = self.text_format.format(task=task)
+        if self.markup:
+            text = Text.from_markup(_text, style=self.style, justify=self.justify)
+        else:
+            text = Text(_text, style=self.style, justify=self.justify)
+        if self.highlighter:
+            self.highlighter.highlight(text)
+        return text
+
+
+class BarColumn(ProgressColumn):
+    """Renders a visual progress bar.
+
+    Args:
+        bar_width (Optional[int], optional): Width of bar or None for full width. Defaults to 40.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.finished".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+    """
+
+    def __init__(
+        self,
+        bar_width: Optional[int] = 40,
+        style: StyleType = "bar.back",
+        complete_style: StyleType = "bar.complete",
+        finished_style: StyleType = "bar.finished",
+        pulse_style: StyleType = "bar.pulse",
+        table_column: Optional[Column] = None,
+    ) -> None:
+        self.bar_width = bar_width
+        self.style = style
+        self.complete_style = complete_style
+        self.finished_style = finished_style
+        self.pulse_style = pulse_style
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> ProgressBar:
+        """Gets a progress bar widget for a task."""
+        return ProgressBar(
+            total=max(0, task.total) if task.total is not None else None,
+            completed=max(0, task.completed),
+            width=None if self.bar_width is None else max(1, self.bar_width),
+            pulse=not task.started,
+            animation_time=task.get_time(),
+            style=self.style,
+            complete_style=self.complete_style,
+            finished_style=self.finished_style,
+            pulse_style=self.pulse_style,
+        )
+
+
+class TimeElapsedColumn(ProgressColumn):
+    """Renders time elapsed."""
+
+    def render(self, task: "Task") -> Text:
+        """Show time elapsed."""
+        elapsed = task.finished_time if task.finished else task.elapsed
+        if elapsed is None:
+            return Text("-:--:--", style="progress.elapsed")
+        delta = timedelta(seconds=int(elapsed))
+        return Text(str(delta), style="progress.elapsed")
+
+
+class TaskProgressColumn(TextColumn):
+    """Show task progress as a percentage.
+
+    Args:
+        text_format (str, optional): Format for percentage display. Defaults to "[progress.percentage]{task.percentage:>3.0f}%".
+        text_format_no_percentage (str, optional): Format if percentage is unknown. Defaults to "".
+        style (StyleType, optional): Style of output. Defaults to "none".
+        justify (JustifyMethod, optional): Text justification. Defaults to "left".
+        markup (bool, optional): Enable markup. Defaults to True.
+        highlighter (Optional[Highlighter], optional): Highlighter to apply to output. Defaults to None.
+        table_column (Optional[Column], optional): Table Column to use. Defaults to None.
+        show_speed (bool, optional): Show speed if total is unknown. Defaults to False.
+    """
+
+    def __init__(
+        self,
+        text_format: str = "[progress.percentage]{task.percentage:>3.0f}%",
+        text_format_no_percentage: str = "",
+        style: StyleType = "none",
+        justify: JustifyMethod = "left",
+        markup: bool = True,
+        highlighter: Optional[Highlighter] = None,
+        table_column: Optional[Column] = None,
+        show_speed: bool = False,
+    ) -> None:
+
+        self.text_format_no_percentage = text_format_no_percentage
+        self.show_speed = show_speed
+        super().__init__(
+            text_format=text_format,
+            style=style,
+            justify=justify,
+            markup=markup,
+            highlighter=highlighter,
+            table_column=table_column,
+        )
+
+    @classmethod
+    def render_speed(cls, speed: Optional[float]) -> Text:
+        """Render the speed in iterations per second.
+
+        Args:
+            task (Task): A Task object.
+
+        Returns:
+            Text: Text object containing the task speed.
+        """
+        if speed is None:
+            return Text("", style="progress.percentage")
+        unit, suffix = filesize.pick_unit_and_suffix(
+            int(speed),
+            ["", "×10³", "×10⁶", "×10⁹", "×10¹²"],
+            1000,
+        )
+        data_speed = speed / unit
+        return Text(f"{data_speed:.1f}{suffix} it/s", style="progress.percentage")
+
+    def render(self, task: "Task") -> Text:
+        if task.total is None and self.show_speed:
+            return self.render_speed(task.finished_speed or task.speed)
+        text_format = (
+            self.text_format_no_percentage if task.total is None else self.text_format
+        )
+        _text = text_format.format(task=task)
+        if self.markup:
+            text = Text.from_markup(_text, style=self.style, justify=self.justify)
+        else:
+            text = Text(_text, style=self.style, justify=self.justify)
+        if self.highlighter:
+            self.highlighter.highlight(text)
+        return text
+
+
+class TimeRemainingColumn(ProgressColumn):
+    """Renders estimated time remaining.
+
+    Args:
+        compact (bool, optional): Render MM:SS when time remaining is less than an hour. Defaults to False.
+        elapsed_when_finished (bool, optional): Render time elapsed when the task is finished. Defaults to False.
+    """
+
+    # Only refresh twice a second to prevent jitter
+    max_refresh = 0.5
+
+    def __init__(
+        self,
+        compact: bool = False,
+        elapsed_when_finished: bool = False,
+        table_column: Optional[Column] = None,
+    ):
+        self.compact = compact
+        self.elapsed_when_finished = elapsed_when_finished
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> Text:
+        """Show time remaining."""
+        if self.elapsed_when_finished and task.finished:
+            task_time = task.finished_time
+            style = "progress.elapsed"
+        else:
+            task_time = task.time_remaining
+            style = "progress.remaining"
+
+        if task.total is None:
+            return Text("", style=style)
+
+        if task_time is None:
+            return Text("--:--" if self.compact else "-:--:--", style=style)
+
+        # Based on https://github.com/tqdm/tqdm/blob/master/tqdm/std.py
+        minutes, seconds = divmod(int(task_time), 60)
+        hours, minutes = divmod(minutes, 60)
+
+        if self.compact and not hours:
+            formatted = f"{minutes:02d}:{seconds:02d}"
+        else:
+            formatted = f"{hours:d}:{minutes:02d}:{seconds:02d}"
+
+        return Text(formatted, style=style)
+
+
+class FileSizeColumn(ProgressColumn):
+    """Renders completed filesize."""
+
+    def render(self, task: "Task") -> Text:
+        """Show data completed."""
+        data_size = filesize.decimal(int(task.completed))
+        return Text(data_size, style="progress.filesize")
+
+
+class TotalFileSizeColumn(ProgressColumn):
+    """Renders total filesize."""
+
+    def render(self, task: "Task") -> Text:
+        """Show data completed."""
+        data_size = filesize.decimal(int(task.total)) if task.total is not None else ""
+        return Text(data_size, style="progress.filesize.total")
+
+
+class MofNCompleteColumn(ProgressColumn):
+    """Renders completed count/total, e.g. '  10/1000'.
+
+    Best for bounded tasks with int quantities.
+
+    Space pads the completed count so that progress length does not change as task progresses
+    past powers of 10.
+
+    Args:
+        separator (str, optional): Text to separate completed and total values. Defaults to "/".
+    """
+
+    def __init__(self, separator: str = "/", table_column: Optional[Column] = None):
+        self.separator = separator
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> Text:
+        """Show completed/total."""
+        completed = int(task.completed)
+        total = int(task.total) if task.total is not None else "?"
+        total_width = len(str(total))
+        return Text(
+            f"{completed:{total_width}d}{self.separator}{total}",
+            style="progress.download",
+        )
+
+
+class DownloadColumn(ProgressColumn):
+    """Renders file size downloaded and total, e.g. '0.5/2.3 GB'.
+
+    Args:
+        binary_units (bool, optional): Use binary units, KiB, MiB etc. Defaults to False.
+    """
+
+    def __init__(
+        self, binary_units: bool = False, table_column: Optional[Column] = None
+    ) -> None:
+        self.binary_units = binary_units
+        super().__init__(table_column=table_column)
+
+    def render(self, task: "Task") -> Text:
+        """Calculate common unit for completed and total."""
+        completed = int(task.completed)
+
+        unit_and_suffix_calculation_base = (
+            int(task.total) if task.total is not None else completed
+        )
+        if self.binary_units:
+            unit, suffix = filesize.pick_unit_and_suffix(
+                unit_and_suffix_calculation_base,
+                ["bytes", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"],
+                1024,
+            )
+        else:
+            unit, suffix = filesize.pick_unit_and_suffix(
+                unit_and_suffix_calculation_base,
+                ["bytes", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"],
+                1000,
+            )
+        precision = 0 if unit == 1 else 1
+
+        completed_ratio = completed / unit
+        completed_str = f"{completed_ratio:,.{precision}f}"
+
+        if task.total is not None:
+            total = int(task.total)
+            total_ratio = total / unit
+            total_str = f"{total_ratio:,.{precision}f}"
+        else:
+            total_str = "?"
+
+        download_status = f"{completed_str}/{total_str} {suffix}"
+        download_text = Text(download_status, style="progress.download")
+        return download_text
+
+
+class TransferSpeedColumn(ProgressColumn):
+    """Renders human readable transfer speed."""
+
+    def render(self, task: "Task") -> Text:
+        """Show data transfer speed."""
+        speed = task.finished_speed or task.speed
+        if speed is None:
+            return Text("?", style="progress.data.speed")
+        data_speed = filesize.decimal(int(speed))
+        return Text(f"{data_speed}/s", style="progress.data.speed")
+
+
+class ProgressSample(NamedTuple):
+    """Sample of progress for a given time."""
+
+    timestamp: float
+    """Timestamp of sample."""
+    completed: float
+    """Number of steps completed."""
+
+
+@dataclass
+class Task:
+    """Information regarding a progress task.
+
+    This object should be considered read-only outside of the :class:`~Progress` class.
+
+    """
+
+    id: TaskID
+    """Task ID associated with this task (used in Progress methods)."""
+
+    description: str
+    """str: Description of the task."""
+
+    total: Optional[float]
+    """Optional[float]: Total number of steps in this task."""
+
+    completed: float
+    """float: Number of steps completed"""
+
+    _get_time: GetTimeCallable
+    """Callable to get the current time."""
+
+    finished_time: Optional[float] = None
+    """float: Time task was finished."""
+
+    visible: bool = True
+    """bool: Indicates if this task is visible in the progress display."""
+
+    fields: Dict[str, Any] = field(default_factory=dict)
+    """dict: Arbitrary fields passed in via Progress.update."""
+
+    start_time: Optional[float] = field(default=None, init=False, repr=False)
+    """Optional[float]: Time this task was started, or None if not started."""
+
+    stop_time: Optional[float] = field(default=None, init=False, repr=False)
+    """Optional[float]: Time this task was stopped, or None if not stopped."""
+
+    finished_speed: Optional[float] = None
+    """Optional[float]: The last speed for a finished task."""
+
+    _progress: Deque[ProgressSample] = field(
+        default_factory=lambda: deque(maxlen=1000), init=False, repr=False
+    )
+
+    _lock: RLock = field(repr=False, default_factory=RLock)
+    """Thread lock."""
+
+    def get_time(self) -> float:
+        """float: Get the current time, in seconds."""
+        return self._get_time()
+
+    @property
+    def started(self) -> bool:
+        """bool: Check if the task as started."""
+        return self.start_time is not None
+
+    @property
+    def remaining(self) -> Optional[float]:
+        """Optional[float]: Get the number of steps remaining, if a non-None total was set."""
+        if self.total is None:
+            return None
+        return self.total - self.completed
+
+    @property
+    def elapsed(self) -> Optional[float]:
+        """Optional[float]: Time elapsed since task was started, or ``None`` if the task hasn't started."""
+        if self.start_time is None:
+            return None
+        if self.stop_time is not None:
+            return self.stop_time - self.start_time
+        return self.get_time() - self.start_time
+
+    @property
+    def finished(self) -> bool:
+        """Check if the task has finished."""
+        return self.finished_time is not None
+
+    @property
+    def percentage(self) -> float:
+        """float: Get progress of task as a percentage. If a None total was set, returns 0"""
+        if not self.total:
+            return 0.0
+        completed = (self.completed / self.total) * 100.0
+        completed = min(100.0, max(0.0, completed))
+        return completed
+
+    @property
+    def speed(self) -> Optional[float]:
+        """Optional[float]: Get the estimated speed in steps per second."""
+        if self.start_time is None:
+            return None
+        with self._lock:
+            progress = self._progress
+            if not progress:
+                return None
+            total_time = progress[-1].timestamp - progress[0].timestamp
+            if total_time == 0:
+                return None
+            iter_progress = iter(progress)
+            next(iter_progress)
+            total_completed = sum(sample.completed for sample in iter_progress)
+            speed = total_completed / total_time
+            return speed
+
+    @property
+    def time_remaining(self) -> Optional[float]:
+        """Optional[float]: Get estimated time to completion, or ``None`` if no data."""
+        if self.finished:
+            return 0.0
+        speed = self.speed
+        if not speed:
+            return None
+        remaining = self.remaining
+        if remaining is None:
+            return None
+        estimate = ceil(remaining / speed)
+        return estimate
+
+    def _reset(self) -> None:
+        """Reset progress."""
+        self._progress.clear()
+        self.finished_time = None
+        self.finished_speed = None
+
+
+class Progress(JupyterMixin):
+    """Renders an auto-updating progress bar(s).
+
+    Args:
+        console (Console, optional): Optional Console instance. Default will an internal Console instance writing to stdout.
+        auto_refresh (bool, optional): Enable auto refresh. If disabled, you will need to call `refresh()`.
+        refresh_per_second (Optional[float], optional): Number of times per second to refresh the progress information or None to use default (10). Defaults to None.
+        speed_estimate_period: (float, optional): Period (in seconds) used to calculate the speed estimate. Defaults to 30.
+        transient: (bool, optional): Clear the progress on exit. Defaults to False.
+        redirect_stdout: (bool, optional): Enable redirection of stdout, so ``print`` may be used. Defaults to True.
+        redirect_stderr: (bool, optional): Enable redirection of stderr. Defaults to True.
+        get_time: (Callable, optional): A callable that gets the current time, or None to use Console.get_time. Defaults to None.
+        disable (bool, optional): Disable progress display. Defaults to False
+        expand (bool, optional): Expand tasks table to fit width. Defaults to False.
+    """
+
+    def __init__(
+        self,
+        *columns: Union[str, ProgressColumn],
+        console: Optional[Console] = None,
+        auto_refresh: bool = True,
+        refresh_per_second: float = 10,
+        speed_estimate_period: float = 30.0,
+        transient: bool = False,
+        redirect_stdout: bool = True,
+        redirect_stderr: bool = True,
+        get_time: Optional[GetTimeCallable] = None,
+        disable: bool = False,
+        expand: bool = False,
+    ) -> None:
+        assert refresh_per_second > 0, "refresh_per_second must be > 0"
+        self._lock = RLock()
+        self.columns = columns or self.get_default_columns()
+        self.speed_estimate_period = speed_estimate_period
+
+        self.disable = disable
+        self.expand = expand
+        self._tasks: Dict[TaskID, Task] = {}
+        self._task_index: TaskID = TaskID(0)
+        self.live = Live(
+            console=console or get_console(),
+            auto_refresh=auto_refresh,
+            refresh_per_second=refresh_per_second,
+            transient=transient,
+            redirect_stdout=redirect_stdout,
+            redirect_stderr=redirect_stderr,
+            get_renderable=self.get_renderable,
+        )
+        self.get_time = get_time or self.console.get_time
+        self.print = self.console.print
+        self.log = self.console.log
+
+    @classmethod
+    def get_default_columns(cls) -> Tuple[ProgressColumn, ...]:
+        """Get the default columns used for a new Progress instance:
+           - a text column for the description (TextColumn)
+           - the bar itself (BarColumn)
+           - a text column showing completion percentage (TextColumn)
+           - an estimated-time-remaining column (TimeRemainingColumn)
+        If the Progress instance is created without passing a columns argument,
+        the default columns defined here will be used.
+
+        You can also create a Progress instance using custom columns before
+        and/or after the defaults, as in this example:
+
+            progress = Progress(
+                SpinnerColumn(),
+                *Progress.default_columns(),
+                "Elapsed:",
+                TimeElapsedColumn(),
+            )
+
+        This code shows the creation of a Progress display, containing
+        a spinner to the left, the default columns, and a labeled elapsed
+        time column.
+        """
+        return (
+            TextColumn("[progress.description]{task.description}"),
+            BarColumn(),
+            TaskProgressColumn(),
+            TimeRemainingColumn(),
+        )
+
+    @property
+    def console(self) -> Console:
+        return self.live.console
+
+    @property
+    def tasks(self) -> List[Task]:
+        """Get a list of Task instances."""
+        with self._lock:
+            return list(self._tasks.values())
+
+    @property
+    def task_ids(self) -> List[TaskID]:
+        """A list of task IDs."""
+        with self._lock:
+            return list(self._tasks.keys())
+
+    @property
+    def finished(self) -> bool:
+        """Check if all tasks have been completed."""
+        with self._lock:
+            if not self._tasks:
+                return True
+            return all(task.finished for task in self._tasks.values())
+
+    def start(self) -> None:
+        """Start the progress display."""
+        if not self.disable:
+            self.live.start(refresh=True)
+
+    def stop(self) -> None:
+        """Stop the progress display."""
+        self.live.stop()
+        if not self.console.is_interactive:
+            self.console.print()
+
+    def __enter__(self) -> "Progress":
+        self.start()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.stop()
+
+    def track(
+        self,
+        sequence: Union[Iterable[ProgressType], Sequence[ProgressType]],
+        total: Optional[float] = None,
+        task_id: Optional[TaskID] = None,
+        description: str = "Working...",
+        update_period: float = 0.1,
+    ) -> Iterable[ProgressType]:
+        """Track progress by iterating over a sequence.
+
+        Args:
+            sequence (Sequence[ProgressType]): A sequence of values you want to iterate over and track progress.
+            total: (float, optional): Total number of steps. Default is len(sequence).
+            task_id: (TaskID): Task to track. Default is new task.
+            description: (str, optional): Description of task, if new task is created.
+            update_period (float, optional): Minimum time (in seconds) between calls to update(). Defaults to 0.1.
+
+        Returns:
+            Iterable[ProgressType]: An iterable of values taken from the provided sequence.
+        """
+        if total is None:
+            total = float(length_hint(sequence)) or None
+
+        if task_id is None:
+            task_id = self.add_task(description, total=total)
+        else:
+            self.update(task_id, total=total)
+
+        if self.live.auto_refresh:
+            with _TrackThread(self, task_id, update_period) as track_thread:
+                for value in sequence:
+                    yield value
+                    track_thread.completed += 1
+        else:
+            advance = self.advance
+            refresh = self.refresh
+            for value in sequence:
+                yield value
+                advance(task_id, 1)
+                refresh()
+
+    def wrap_file(
+        self,
+        file: BinaryIO,
+        total: Optional[int] = None,
+        *,
+        task_id: Optional[TaskID] = None,
+        description: str = "Reading...",
+    ) -> BinaryIO:
+        """Track progress file reading from a binary file.
+
+        Args:
+            file (BinaryIO): A file-like object opened in binary mode.
+            total (int, optional): Total number of bytes to read. This must be provided unless a task with a total is also given.
+            task_id (TaskID): Task to track. Default is new task.
+            description (str, optional): Description of task, if new task is created.
+
+        Returns:
+            BinaryIO: A readable file-like object in binary mode.
+
+        Raises:
+            ValueError: When no total value can be extracted from the arguments or the task.
+        """
+        # attempt to recover the total from the task
+        total_bytes: Optional[float] = None
+        if total is not None:
+            total_bytes = total
+        elif task_id is not None:
+            with self._lock:
+                total_bytes = self._tasks[task_id].total
+        if total_bytes is None:
+            raise ValueError(
+                f"unable to get the total number of bytes, please specify 'total'"
+            )
+
+        # update total of task or create new task
+        if task_id is None:
+            task_id = self.add_task(description, total=total_bytes)
+        else:
+            self.update(task_id, total=total_bytes)
+
+        return _Reader(file, self, task_id, close_handle=False)
+
+    @typing.overload
+    def open(
+        self,
+        file: Union[str, "PathLike[str]", bytes],
+        mode: Literal["rb"],
+        buffering: int = -1,
+        encoding: Optional[str] = None,
+        errors: Optional[str] = None,
+        newline: Optional[str] = None,
+        *,
+        total: Optional[int] = None,
+        task_id: Optional[TaskID] = None,
+        description: str = "Reading...",
+    ) -> BinaryIO:
+        pass
+
+    @typing.overload
+    def open(
+        self,
+        file: Union[str, "PathLike[str]", bytes],
+        mode: Union[Literal["r"], Literal["rt"]],
+        buffering: int = -1,
+        encoding: Optional[str] = None,
+        errors: Optional[str] = None,
+        newline: Optional[str] = None,
+        *,
+        total: Optional[int] = None,
+        task_id: Optional[TaskID] = None,
+        description: str = "Reading...",
+    ) -> TextIO:
+        pass
+
+    def open(
+        self,
+        file: Union[str, "PathLike[str]", bytes],
+        mode: Union[Literal["rb"], Literal["rt"], Literal["r"]] = "r",
+        buffering: int = -1,
+        encoding: Optional[str] = None,
+        errors: Optional[str] = None,
+        newline: Optional[str] = None,
+        *,
+        total: Optional[int] = None,
+        task_id: Optional[TaskID] = None,
+        description: str = "Reading...",
+    ) -> Union[BinaryIO, TextIO]:
+        """Track progress while reading from a binary file.
+
+        Args:
+            path (Union[str, PathLike[str]]): The path to the file to read.
+            mode (str): The mode to use to open the file. Only supports "r", "rb" or "rt".
+            buffering (int): The buffering strategy to use, see :func:`io.open`.
+            encoding (str, optional): The encoding to use when reading in text mode, see :func:`io.open`.
+            errors (str, optional): The error handling strategy for decoding errors, see :func:`io.open`.
+            newline (str, optional): The strategy for handling newlines in text mode, see :func:`io.open`.
+            total (int, optional): Total number of bytes to read. If none given, os.stat(path).st_size is used.
+            task_id (TaskID): Task to track. Default is new task.
+            description (str, optional): Description of task, if new task is created.
+
+        Returns:
+            BinaryIO: A readable file-like object in binary mode.
+
+        Raises:
+            ValueError: When an invalid mode is given.
+        """
+        # normalize the mode (always rb, rt)
+        _mode = "".join(sorted(mode, reverse=False))
+        if _mode not in ("br", "rt", "r"):
+            raise ValueError("invalid mode {!r}".format(mode))
+
+        # patch buffering to provide the same behaviour as the builtin `open`
+        line_buffering = buffering == 1
+        if _mode == "br" and buffering == 1:
+            warnings.warn(
+                "line buffering (buffering=1) isn't supported in binary mode, the default buffer size will be used",
+                RuntimeWarning,
+            )
+            buffering = -1
+        elif _mode in ("rt", "r"):
+            if buffering == 0:
+                raise ValueError("can't have unbuffered text I/O")
+            elif buffering == 1:
+                buffering = -1
+
+        # attempt to get the total with `os.stat`
+        if total is None:
+            total = stat(file).st_size
+
+        # update total of task or create new task
+        if task_id is None:
+            task_id = self.add_task(description, total=total)
+        else:
+            self.update(task_id, total=total)
+
+        # open the file in binary mode,
+        handle = io.open(file, "rb", buffering=buffering)
+        reader = _Reader(handle, self, task_id, close_handle=True)
+
+        # wrap the reader in a `TextIOWrapper` if text mode
+        if mode in ("r", "rt"):
+            return io.TextIOWrapper(
+                reader,
+                encoding=encoding,
+                errors=errors,
+                newline=newline,
+                line_buffering=line_buffering,
+            )
+
+        return reader
+
+    def start_task(self, task_id: TaskID) -> None:
+        """Start a task.
+
+        Starts a task (used when calculating elapsed time). You may need to call this manually,
+        if you called ``add_task`` with ``start=False``.
+
+        Args:
+            task_id (TaskID): ID of task.
+        """
+        with self._lock:
+            task = self._tasks[task_id]
+            if task.start_time is None:
+                task.start_time = self.get_time()
+
+    def stop_task(self, task_id: TaskID) -> None:
+        """Stop a task.
+
+        This will freeze the elapsed time on the task.
+
+        Args:
+            task_id (TaskID): ID of task.
+        """
+        with self._lock:
+            task = self._tasks[task_id]
+            current_time = self.get_time()
+            if task.start_time is None:
+                task.start_time = current_time
+            task.stop_time = current_time
+
+    def update(
+        self,
+        task_id: TaskID,
+        *,
+        total: Optional[float] = None,
+        completed: Optional[float] = None,
+        advance: Optional[float] = None,
+        description: Optional[str] = None,
+        visible: Optional[bool] = None,
+        refresh: bool = False,
+        **fields: Any,
+    ) -> None:
+        """Update information associated with a task.
+
+        Args:
+            task_id (TaskID): Task id (returned by add_task).
+            total (float, optional): Updates task.total if not None.
+            completed (float, optional): Updates task.completed if not None.
+            advance (float, optional): Add a value to task.completed if not None.
+            description (str, optional): Change task description if not None.
+            visible (bool, optional): Set visible flag if not None.
+            refresh (bool): Force a refresh of progress information. Default is False.
+            **fields (Any): Additional data fields required for rendering.
+        """
+        with self._lock:
+            task = self._tasks[task_id]
+            completed_start = task.completed
+
+            if total is not None and total != task.total:
+                task.total = total
+                task._reset()
+            if advance is not None:
+                task.completed += advance
+            if completed is not None:
+                task.completed = completed
+            if description is not None:
+                task.description = description
+            if visible is not None:
+                task.visible = visible
+            task.fields.update(fields)
+            update_completed = task.completed - completed_start
+
+            current_time = self.get_time()
+            old_sample_time = current_time - self.speed_estimate_period
+            _progress = task._progress
+
+            popleft = _progress.popleft
+            while _progress and _progress[0].timestamp < old_sample_time:
+                popleft()
+            if update_completed > 0:
+                _progress.append(ProgressSample(current_time, update_completed))
+            if (
+                task.total is not None
+                and task.completed >= task.total
+                and task.finished_time is None
+            ):
+                task.finished_time = task.elapsed
+
+        if refresh:
+            self.refresh()
+
+    def reset(
+        self,
+        task_id: TaskID,
+        *,
+        start: bool = True,
+        total: Optional[float] = None,
+        completed: int = 0,
+        visible: Optional[bool] = None,
+        description: Optional[str] = None,
+        **fields: Any,
+    ) -> None:
+        """Reset a task so completed is 0 and the clock is reset.
+
+        Args:
+            task_id (TaskID): ID of task.
+            start (bool, optional): Start the task after reset. Defaults to True.
+            total (float, optional): New total steps in task, or None to use current total. Defaults to None.
+            completed (int, optional): Number of steps completed. Defaults to 0.
+            visible (bool, optional): Enable display of the task. Defaults to True.
+            description (str, optional): Change task description if not None. Defaults to None.
+            **fields (str): Additional data fields required for rendering.
+        """
+        current_time = self.get_time()
+        with self._lock:
+            task = self._tasks[task_id]
+            task._reset()
+            task.start_time = current_time if start else None
+            if total is not None:
+                task.total = total
+            task.completed = completed
+            if visible is not None:
+                task.visible = visible
+            if fields:
+                task.fields = fields
+            if description is not None:
+                task.description = description
+            task.finished_time = None
+        self.refresh()
+
+    def advance(self, task_id: TaskID, advance: float = 1) -> None:
+        """Advance task by a number of steps.
+
+        Args:
+            task_id (TaskID): ID of task.
+            advance (float): Number of steps to advance. Default is 1.
+        """
+        current_time = self.get_time()
+        with self._lock:
+            task = self._tasks[task_id]
+            completed_start = task.completed
+            task.completed += advance
+            update_completed = task.completed - completed_start
+            old_sample_time = current_time - self.speed_estimate_period
+            _progress = task._progress
+
+            popleft = _progress.popleft
+            while _progress and _progress[0].timestamp < old_sample_time:
+                popleft()
+            while len(_progress) > 1000:
+                popleft()
+            _progress.append(ProgressSample(current_time, update_completed))
+            if (
+                task.total is not None
+                and task.completed >= task.total
+                and task.finished_time is None
+            ):
+                task.finished_time = task.elapsed
+                task.finished_speed = task.speed
+
+    def refresh(self) -> None:
+        """Refresh (render) the progress information."""
+        if not self.disable and self.live.is_started:
+            self.live.refresh()
+
+    def get_renderable(self) -> RenderableType:
+        """Get a renderable for the progress display."""
+        renderable = Group(*self.get_renderables())
+        return renderable
+
+    def get_renderables(self) -> Iterable[RenderableType]:
+        """Get a number of renderables for the progress display."""
+        table = self.make_tasks_table(self.tasks)
+        yield table
+
+    def make_tasks_table(self, tasks: Iterable[Task]) -> Table:
+        """Get a table to render the Progress display.
+
+        Args:
+            tasks (Iterable[Task]): An iterable of Task instances, one per row of the table.
+
+        Returns:
+            Table: A table instance.
+        """
+        table_columns = (
+            (
+                Column(no_wrap=True)
+                if isinstance(_column, str)
+                else _column.get_table_column().copy()
+            )
+            for _column in self.columns
+        )
+        table = Table.grid(*table_columns, padding=(0, 1), expand=self.expand)
+
+        for task in tasks:
+            if task.visible:
+                table.add_row(
+                    *(
+                        (
+                            column.format(task=task)
+                            if isinstance(column, str)
+                            else column(task)
+                        )
+                        for column in self.columns
+                    )
+                )
+        return table
+
+    def __rich__(self) -> RenderableType:
+        """Makes the Progress class itself renderable."""
+        with self._lock:
+            return self.get_renderable()
+
+    def add_task(
+        self,
+        description: str,
+        start: bool = True,
+        total: Optional[float] = 100.0,
+        completed: int = 0,
+        visible: bool = True,
+        **fields: Any,
+    ) -> TaskID:
+        """Add a new 'task' to the Progress display.
+
+        Args:
+            description (str): A description of the task.
+            start (bool, optional): Start the task immediately (to calculate elapsed time). If set to False,
+                you will need to call `start` manually. Defaults to True.
+            total (float, optional): Number of total steps in the progress if known.
+                Set to None to render a pulsing animation. Defaults to 100.
+            completed (int, optional): Number of steps completed so far. Defaults to 0.
+            visible (bool, optional): Enable display of the task. Defaults to True.
+            **fields (str): Additional data fields required for rendering.
+
+        Returns:
+            TaskID: An ID you can use when calling `update`.
+        """
+        with self._lock:
+            task = Task(
+                self._task_index,
+                description,
+                total,
+                completed,
+                visible=visible,
+                fields=fields,
+                _get_time=self.get_time,
+                _lock=self._lock,
+            )
+            self._tasks[self._task_index] = task
+            if start:
+                self.start_task(self._task_index)
+            new_task_index = self._task_index
+            self._task_index = TaskID(int(self._task_index) + 1)
+        self.refresh()
+        return new_task_index
+
+    def remove_task(self, task_id: TaskID) -> None:
+        """Delete a task if it exists.
+
+        Args:
+            task_id (TaskID): A task ID.
+
+        """
+        with self._lock:
+            del self._tasks[task_id]
+
+
+if __name__ == "__main__":  # pragma: no coverage
+
+    import random
+    import time
+
+    from .panel import Panel
+    from .rule import Rule
+    from .syntax import Syntax
+    from .table import Table
+
+    syntax = Syntax(
+        '''def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
+    """Iterate and generate a tuple with a flag for last value."""
+    iter_values = iter(values)
+    try:
+        previous_value = next(iter_values)
+    except StopIteration:
+        return
+    for value in iter_values:
+        yield False, previous_value
+        previous_value = value
+    yield True, previous_value''',
+        "python",
+        line_numbers=True,
+    )
+
+    table = Table("foo", "bar", "baz")
+    table.add_row("1", "2", "3")
+
+    progress_renderables = [
+        "Text may be printed while the progress bars are rendering.",
+        Panel("In fact, [i]any[/i] renderable will work"),
+        "Such as [magenta]tables[/]...",
+        table,
+        "Pretty printed structures...",
+        {"type": "example", "text": "Pretty printed"},
+        "Syntax...",
+        syntax,
+        Rule("Give it a try!"),
+    ]
+
+    from itertools import cycle
+
+    examples = cycle(progress_renderables)
+
+    console = Console(record=True)
+
+    with Progress(
+        SpinnerColumn(),
+        *Progress.get_default_columns(),
+        TimeElapsedColumn(),
+        console=console,
+        transient=False,
+    ) as progress:
+
+        task1 = progress.add_task("[red]Downloading", total=1000)
+        task2 = progress.add_task("[green]Processing", total=1000)
+        task3 = progress.add_task("[yellow]Thinking", total=None)
+
+        while not progress.finished:
+            progress.update(task1, advance=0.5)
+            progress.update(task2, advance=0.3)
+            time.sleep(0.01)
+            if random.randint(0, 100) < 1:
+                progress.log(next(examples))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/progress_bar.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/progress_bar.py
new file mode 100644
index 00000000..67361df2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/progress_bar.py
@@ -0,0 +1,224 @@
+import math
+from functools import lru_cache
+from time import monotonic
+from typing import Iterable, List, Optional
+
+from .color import Color, blend_rgb
+from .color_triplet import ColorTriplet
+from .console import Console, ConsoleOptions, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style, StyleType
+
+# Number of characters before 'pulse' animation repeats
+PULSE_SIZE = 20
+
+
+class ProgressBar(JupyterMixin):
+    """Renders a (progress) bar. Used by rich.progress.
+
+    Args:
+        total (float, optional): Number of steps in the bar. Defaults to 100. Set to None to render a pulsing animation.
+        completed (float, optional): Number of steps completed. Defaults to 0.
+        width (int, optional): Width of the bar, or ``None`` for maximum width. Defaults to None.
+        pulse (bool, optional): Enable pulse effect. Defaults to False. Will pulse if a None total was passed.
+        style (StyleType, optional): Style for the bar background. Defaults to "bar.back".
+        complete_style (StyleType, optional): Style for the completed bar. Defaults to "bar.complete".
+        finished_style (StyleType, optional): Style for a finished bar. Defaults to "bar.finished".
+        pulse_style (StyleType, optional): Style for pulsing bars. Defaults to "bar.pulse".
+        animation_time (Optional[float], optional): Time in seconds to use for animation, or None to use system time.
+    """
+
+    def __init__(
+        self,
+        total: Optional[float] = 100.0,
+        completed: float = 0,
+        width: Optional[int] = None,
+        pulse: bool = False,
+        style: StyleType = "bar.back",
+        complete_style: StyleType = "bar.complete",
+        finished_style: StyleType = "bar.finished",
+        pulse_style: StyleType = "bar.pulse",
+        animation_time: Optional[float] = None,
+    ):
+        self.total = total
+        self.completed = completed
+        self.width = width
+        self.pulse = pulse
+        self.style = style
+        self.complete_style = complete_style
+        self.finished_style = finished_style
+        self.pulse_style = pulse_style
+        self.animation_time = animation_time
+
+        self._pulse_segments: Optional[List[Segment]] = None
+
+    def __repr__(self) -> str:
+        return f"<Bar {self.completed!r} of {self.total!r}>"
+
+    @property
+    def percentage_completed(self) -> Optional[float]:
+        """Calculate percentage complete."""
+        if self.total is None:
+            return None
+        completed = (self.completed / self.total) * 100.0
+        completed = min(100, max(0.0, completed))
+        return completed
+
+    @lru_cache(maxsize=16)
+    def _get_pulse_segments(
+        self,
+        fore_style: Style,
+        back_style: Style,
+        color_system: str,
+        no_color: bool,
+        ascii: bool = False,
+    ) -> List[Segment]:
+        """Get a list of segments to render a pulse animation.
+
+        Returns:
+            List[Segment]: A list of segments, one segment per character.
+        """
+        bar = "-" if ascii else "━"
+        segments: List[Segment] = []
+        if color_system not in ("standard", "eight_bit", "truecolor") or no_color:
+            segments += [Segment(bar, fore_style)] * (PULSE_SIZE // 2)
+            segments += [Segment(" " if no_color else bar, back_style)] * (
+                PULSE_SIZE - (PULSE_SIZE // 2)
+            )
+            return segments
+
+        append = segments.append
+        fore_color = (
+            fore_style.color.get_truecolor()
+            if fore_style.color
+            else ColorTriplet(255, 0, 255)
+        )
+        back_color = (
+            back_style.color.get_truecolor()
+            if back_style.color
+            else ColorTriplet(0, 0, 0)
+        )
+        cos = math.cos
+        pi = math.pi
+        _Segment = Segment
+        _Style = Style
+        from_triplet = Color.from_triplet
+
+        for index in range(PULSE_SIZE):
+            position = index / PULSE_SIZE
+            fade = 0.5 + cos((position * pi * 2)) / 2.0
+            color = blend_rgb(fore_color, back_color, cross_fade=fade)
+            append(_Segment(bar, _Style(color=from_triplet(color))))
+        return segments
+
+    def update(self, completed: float, total: Optional[float] = None) -> None:
+        """Update progress with new values.
+
+        Args:
+            completed (float): Number of steps completed.
+            total (float, optional): Total number of steps, or ``None`` to not change. Defaults to None.
+        """
+        self.completed = completed
+        self.total = total if total is not None else self.total
+
+    def _render_pulse(
+        self, console: Console, width: int, ascii: bool = False
+    ) -> Iterable[Segment]:
+        """Renders the pulse animation.
+
+        Args:
+            console (Console): Console instance.
+            width (int): Width in characters of pulse animation.
+
+        Returns:
+            RenderResult: [description]
+
+        Yields:
+            Iterator[Segment]: Segments to render pulse
+        """
+        fore_style = console.get_style(self.pulse_style, default="white")
+        back_style = console.get_style(self.style, default="black")
+
+        pulse_segments = self._get_pulse_segments(
+            fore_style, back_style, console.color_system, console.no_color, ascii=ascii
+        )
+        segment_count = len(pulse_segments)
+        current_time = (
+            monotonic() if self.animation_time is None else self.animation_time
+        )
+        segments = pulse_segments * (int(width / segment_count) + 2)
+        offset = int(-current_time * 15) % segment_count
+        segments = segments[offset : offset + width]
+        yield from segments
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+
+        width = min(self.width or options.max_width, options.max_width)
+        ascii = options.legacy_windows or options.ascii_only
+        should_pulse = self.pulse or self.total is None
+        if should_pulse:
+            yield from self._render_pulse(console, width, ascii=ascii)
+            return
+
+        completed: Optional[float] = (
+            min(self.total, max(0, self.completed)) if self.total is not None else None
+        )
+
+        bar = "-" if ascii else "━"
+        half_bar_right = " " if ascii else "╸"
+        half_bar_left = " " if ascii else "╺"
+        complete_halves = (
+            int(width * 2 * completed / self.total)
+            if self.total and completed is not None
+            else width * 2
+        )
+        bar_count = complete_halves // 2
+        half_bar_count = complete_halves % 2
+        style = console.get_style(self.style)
+        is_finished = self.total is None or self.completed >= self.total
+        complete_style = console.get_style(
+            self.finished_style if is_finished else self.complete_style
+        )
+        _Segment = Segment
+        if bar_count:
+            yield _Segment(bar * bar_count, complete_style)
+        if half_bar_count:
+            yield _Segment(half_bar_right * half_bar_count, complete_style)
+
+        if not console.no_color:
+            remaining_bars = width - bar_count - half_bar_count
+            if remaining_bars and console.color_system is not None:
+                if not half_bar_count and bar_count:
+                    yield _Segment(half_bar_left, style)
+                    remaining_bars -= 1
+                if remaining_bars:
+                    yield _Segment(bar * remaining_bars, style)
+
+    def __rich_measure__(
+        self, console: Console, options: ConsoleOptions
+    ) -> Measurement:
+        return (
+            Measurement(self.width, self.width)
+            if self.width is not None
+            else Measurement(4, options.max_width)
+        )
+
+
+if __name__ == "__main__":  # pragma: no cover
+    console = Console()
+    bar = ProgressBar(width=50, total=100)
+
+    import time
+
+    console.show_cursor(False)
+    for n in range(0, 101, 1):
+        bar.update(n)
+        console.print(bar)
+        console.file.write("\r")
+        time.sleep(0.05)
+    console.show_cursor(True)
+    console.print()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/prompt.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/prompt.py
new file mode 100644
index 00000000..2bd0a772
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/prompt.py
@@ -0,0 +1,376 @@
+from typing import Any, Generic, List, Optional, TextIO, TypeVar, Union, overload
+
+from . import get_console
+from .console import Console
+from .text import Text, TextType
+
+PromptType = TypeVar("PromptType")
+DefaultType = TypeVar("DefaultType")
+
+
+class PromptError(Exception):
+    """Exception base class for prompt related errors."""
+
+
+class InvalidResponse(PromptError):
+    """Exception to indicate a response was invalid. Raise this within process_response() to indicate an error
+    and provide an error message.
+
+    Args:
+        message (Union[str, Text]): Error message.
+    """
+
+    def __init__(self, message: TextType) -> None:
+        self.message = message
+
+    def __rich__(self) -> TextType:
+        return self.message
+
+
+class PromptBase(Generic[PromptType]):
+    """Ask the user for input until a valid response is received. This is the base class, see one of
+    the concrete classes for examples.
+
+    Args:
+        prompt (TextType, optional): Prompt text. Defaults to "".
+        console (Console, optional): A Console instance or None to use global console. Defaults to None.
+        password (bool, optional): Enable password input. Defaults to False.
+        choices (List[str], optional): A list of valid choices. Defaults to None.
+        show_default (bool, optional): Show default in prompt. Defaults to True.
+        show_choices (bool, optional): Show choices in prompt. Defaults to True.
+    """
+
+    response_type: type = str
+
+    validate_error_message = "[prompt.invalid]Please enter a valid value"
+    illegal_choice_message = (
+        "[prompt.invalid.choice]Please select one of the available options"
+    )
+    prompt_suffix = ": "
+
+    choices: Optional[List[str]] = None
+
+    def __init__(
+        self,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+    ) -> None:
+        self.console = console or get_console()
+        self.prompt = (
+            Text.from_markup(prompt, style="prompt")
+            if isinstance(prompt, str)
+            else prompt
+        )
+        self.password = password
+        if choices is not None:
+            self.choices = choices
+        self.show_default = show_default
+        self.show_choices = show_choices
+
+    @classmethod
+    @overload
+    def ask(
+        cls,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+        default: DefaultType,
+        stream: Optional[TextIO] = None,
+    ) -> Union[DefaultType, PromptType]:
+        ...
+
+    @classmethod
+    @overload
+    def ask(
+        cls,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+        stream: Optional[TextIO] = None,
+    ) -> PromptType:
+        ...
+
+    @classmethod
+    def ask(
+        cls,
+        prompt: TextType = "",
+        *,
+        console: Optional[Console] = None,
+        password: bool = False,
+        choices: Optional[List[str]] = None,
+        show_default: bool = True,
+        show_choices: bool = True,
+        default: Any = ...,
+        stream: Optional[TextIO] = None,
+    ) -> Any:
+        """Shortcut to construct and run a prompt loop and return the result.
+
+        Example:
+            >>> filename = Prompt.ask("Enter a filename")
+
+        Args:
+            prompt (TextType, optional): Prompt text. Defaults to "".
+            console (Console, optional): A Console instance or None to use global console. Defaults to None.
+            password (bool, optional): Enable password input. Defaults to False.
+            choices (List[str], optional): A list of valid choices. Defaults to None.
+            show_default (bool, optional): Show default in prompt. Defaults to True.
+            show_choices (bool, optional): Show choices in prompt. Defaults to True.
+            stream (TextIO, optional): Optional text file open for reading to get input. Defaults to None.
+        """
+        _prompt = cls(
+            prompt,
+            console=console,
+            password=password,
+            choices=choices,
+            show_default=show_default,
+            show_choices=show_choices,
+        )
+        return _prompt(default=default, stream=stream)
+
+    def render_default(self, default: DefaultType) -> Text:
+        """Turn the supplied default in to a Text instance.
+
+        Args:
+            default (DefaultType): Default value.
+
+        Returns:
+            Text: Text containing rendering of default value.
+        """
+        return Text(f"({default})", "prompt.default")
+
+    def make_prompt(self, default: DefaultType) -> Text:
+        """Make prompt text.
+
+        Args:
+            default (DefaultType): Default value.
+
+        Returns:
+            Text: Text to display in prompt.
+        """
+        prompt = self.prompt.copy()
+        prompt.end = ""
+
+        if self.show_choices and self.choices:
+            _choices = "/".join(self.choices)
+            choices = f"[{_choices}]"
+            prompt.append(" ")
+            prompt.append(choices, "prompt.choices")
+
+        if (
+            default != ...
+            and self.show_default
+            and isinstance(default, (str, self.response_type))
+        ):
+            prompt.append(" ")
+            _default = self.render_default(default)
+            prompt.append(_default)
+
+        prompt.append(self.prompt_suffix)
+
+        return prompt
+
+    @classmethod
+    def get_input(
+        cls,
+        console: Console,
+        prompt: TextType,
+        password: bool,
+        stream: Optional[TextIO] = None,
+    ) -> str:
+        """Get input from user.
+
+        Args:
+            console (Console): Console instance.
+            prompt (TextType): Prompt text.
+            password (bool): Enable password entry.
+
+        Returns:
+            str: String from user.
+        """
+        return console.input(prompt, password=password, stream=stream)
+
+    def check_choice(self, value: str) -> bool:
+        """Check value is in the list of valid choices.
+
+        Args:
+            value (str): Value entered by user.
+
+        Returns:
+            bool: True if choice was valid, otherwise False.
+        """
+        assert self.choices is not None
+        return value.strip() in self.choices
+
+    def process_response(self, value: str) -> PromptType:
+        """Process response from user, convert to prompt type.
+
+        Args:
+            value (str): String typed by user.
+
+        Raises:
+            InvalidResponse: If ``value`` is invalid.
+
+        Returns:
+            PromptType: The value to be returned from ask method.
+        """
+        value = value.strip()
+        try:
+            return_value: PromptType = self.response_type(value)
+        except ValueError:
+            raise InvalidResponse(self.validate_error_message)
+
+        if self.choices is not None and not self.check_choice(value):
+            raise InvalidResponse(self.illegal_choice_message)
+
+        return return_value
+
+    def on_validate_error(self, value: str, error: InvalidResponse) -> None:
+        """Called to handle validation error.
+
+        Args:
+            value (str): String entered by user.
+            error (InvalidResponse): Exception instance the initiated the error.
+        """
+        self.console.print(error)
+
+    def pre_prompt(self) -> None:
+        """Hook to display something before the prompt."""
+
+    @overload
+    def __call__(self, *, stream: Optional[TextIO] = None) -> PromptType:
+        ...
+
+    @overload
+    def __call__(
+        self, *, default: DefaultType, stream: Optional[TextIO] = None
+    ) -> Union[PromptType, DefaultType]:
+        ...
+
+    def __call__(self, *, default: Any = ..., stream: Optional[TextIO] = None) -> Any:
+        """Run the prompt loop.
+
+        Args:
+            default (Any, optional): Optional default value.
+
+        Returns:
+            PromptType: Processed value.
+        """
+        while True:
+            self.pre_prompt()
+            prompt = self.make_prompt(default)
+            value = self.get_input(self.console, prompt, self.password, stream=stream)
+            if value == "" and default != ...:
+                return default
+            try:
+                return_value = self.process_response(value)
+            except InvalidResponse as error:
+                self.on_validate_error(value, error)
+                continue
+            else:
+                return return_value
+
+
+class Prompt(PromptBase[str]):
+    """A prompt that returns a str.
+
+    Example:
+        >>> name = Prompt.ask("Enter your name")
+
+
+    """
+
+    response_type = str
+
+
+class IntPrompt(PromptBase[int]):
+    """A prompt that returns an integer.
+
+    Example:
+        >>> burrito_count = IntPrompt.ask("How many burritos do you want to order")
+
+    """
+
+    response_type = int
+    validate_error_message = "[prompt.invalid]Please enter a valid integer number"
+
+
+class FloatPrompt(PromptBase[int]):
+    """A prompt that returns a float.
+
+    Example:
+        >>> temperature = FloatPrompt.ask("Enter desired temperature")
+
+    """
+
+    response_type = float
+    validate_error_message = "[prompt.invalid]Please enter a number"
+
+
+class Confirm(PromptBase[bool]):
+    """A yes / no confirmation prompt.
+
+    Example:
+        >>> if Confirm.ask("Continue"):
+                run_job()
+
+    """
+
+    response_type = bool
+    validate_error_message = "[prompt.invalid]Please enter Y or N"
+    choices: List[str] = ["y", "n"]
+
+    def render_default(self, default: DefaultType) -> Text:
+        """Render the default as (y) or (n) rather than True/False."""
+        yes, no = self.choices
+        return Text(f"({yes})" if default else f"({no})", style="prompt.default")
+
+    def process_response(self, value: str) -> bool:
+        """Convert choices to a bool."""
+        value = value.strip().lower()
+        if value not in self.choices:
+            raise InvalidResponse(self.validate_error_message)
+        return value == self.choices[0]
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from pip._vendor.rich import print
+
+    if Confirm.ask("Run [i]prompt[/i] tests?", default=True):
+        while True:
+            result = IntPrompt.ask(
+                ":rocket: Enter a number between [b]1[/b] and [b]10[/b]", default=5
+            )
+            if result >= 1 and result <= 10:
+                break
+            print(":pile_of_poo: [prompt.invalid]Number must be between 1 and 10")
+        print(f"number={result}")
+
+        while True:
+            password = Prompt.ask(
+                "Please enter a password [cyan](must be at least 5 characters)",
+                password=True,
+            )
+            if len(password) >= 5:
+                break
+            print("[prompt.invalid]password too short")
+        print(f"password={password!r}")
+
+        fruit = Prompt.ask("Enter a fruit", choices=["apple", "orange", "pear"])
+        print(f"fruit={fruit!r}")
+
+    else:
+        print("[b]OK :loudly_crying_face:")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/protocol.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/protocol.py
new file mode 100644
index 00000000..12ab2371
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/protocol.py
@@ -0,0 +1,42 @@
+from typing import Any, cast, Set, TYPE_CHECKING
+from inspect import isclass
+
+if TYPE_CHECKING:
+    from pip._vendor.rich.console import RenderableType
+
+_GIBBERISH = """aihwerij235234ljsdnp34ksodfipwoe234234jlskjdf"""
+
+
+def is_renderable(check_object: Any) -> bool:
+    """Check if an object may be rendered by Rich."""
+    return (
+        isinstance(check_object, str)
+        or hasattr(check_object, "__rich__")
+        or hasattr(check_object, "__rich_console__")
+    )
+
+
+def rich_cast(renderable: object) -> "RenderableType":
+    """Cast an object to a renderable by calling __rich__ if present.
+
+    Args:
+        renderable (object): A potentially renderable object
+
+    Returns:
+        object: The result of recursively calling __rich__.
+    """
+    from pip._vendor.rich.console import RenderableType
+
+    rich_visited_set: Set[type] = set()  # Prevent potential infinite loop
+    while hasattr(renderable, "__rich__") and not isclass(renderable):
+        # Detect object which claim to have all the attributes
+        if hasattr(renderable, _GIBBERISH):
+            return repr(renderable)
+        cast_method = getattr(renderable, "__rich__")
+        renderable = cast_method()
+        renderable_type = type(renderable)
+        if renderable_type in rich_visited_set:
+            break
+        rich_visited_set.add(renderable_type)
+
+    return cast(RenderableType, renderable)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/region.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/region.py
new file mode 100644
index 00000000..75b3631c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/region.py
@@ -0,0 +1,10 @@
+from typing import NamedTuple
+
+
+class Region(NamedTuple):
+    """Defines a rectangular region of the screen."""
+
+    x: int
+    y: int
+    width: int
+    height: int
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/repr.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/repr.py
new file mode 100644
index 00000000..f284bcaf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/repr.py
@@ -0,0 +1,149 @@
+import inspect
+from functools import partial
+from typing import (
+    Any,
+    Callable,
+    Iterable,
+    List,
+    Optional,
+    Tuple,
+    Type,
+    TypeVar,
+    Union,
+    overload,
+)
+
+T = TypeVar("T")
+
+
+Result = Iterable[Union[Any, Tuple[Any], Tuple[str, Any], Tuple[str, Any, Any]]]
+RichReprResult = Result
+
+
+class ReprError(Exception):
+    """An error occurred when attempting to build a repr."""
+
+
+@overload
+def auto(cls: Optional[Type[T]]) -> Type[T]:
+    ...
+
+
+@overload
+def auto(*, angular: bool = False) -> Callable[[Type[T]], Type[T]]:
+    ...
+
+
+def auto(
+    cls: Optional[Type[T]] = None, *, angular: Optional[bool] = None
+) -> Union[Type[T], Callable[[Type[T]], Type[T]]]:
+    """Class decorator to create __repr__ from __rich_repr__"""
+
+    def do_replace(cls: Type[T], angular: Optional[bool] = None) -> Type[T]:
+        def auto_repr(self: T) -> str:
+            """Create repr string from __rich_repr__"""
+            repr_str: List[str] = []
+            append = repr_str.append
+
+            angular: bool = getattr(self.__rich_repr__, "angular", False)  # type: ignore[attr-defined]
+            for arg in self.__rich_repr__():  # type: ignore[attr-defined]
+                if isinstance(arg, tuple):
+                    if len(arg) == 1:
+                        append(repr(arg[0]))
+                    else:
+                        key, value, *default = arg
+                        if key is None:
+                            append(repr(value))
+                        else:
+                            if default and default[0] == value:
+                                continue
+                            append(f"{key}={value!r}")
+                else:
+                    append(repr(arg))
+            if angular:
+                return f"<{self.__class__.__name__} {' '.join(repr_str)}>"
+            else:
+                return f"{self.__class__.__name__}({', '.join(repr_str)})"
+
+        def auto_rich_repr(self: Type[T]) -> Result:
+            """Auto generate __rich_rep__ from signature of __init__"""
+            try:
+                signature = inspect.signature(self.__init__)
+                for name, param in signature.parameters.items():
+                    if param.kind == param.POSITIONAL_ONLY:
+                        yield getattr(self, name)
+                    elif param.kind in (
+                        param.POSITIONAL_OR_KEYWORD,
+                        param.KEYWORD_ONLY,
+                    ):
+                        if param.default == param.empty:
+                            yield getattr(self, param.name)
+                        else:
+                            yield param.name, getattr(self, param.name), param.default
+            except Exception as error:
+                raise ReprError(
+                    f"Failed to auto generate __rich_repr__; {error}"
+                ) from None
+
+        if not hasattr(cls, "__rich_repr__"):
+            auto_rich_repr.__doc__ = "Build a rich repr"
+            cls.__rich_repr__ = auto_rich_repr  # type: ignore[attr-defined]
+
+        auto_repr.__doc__ = "Return repr(self)"
+        cls.__repr__ = auto_repr  # type: ignore[assignment]
+        if angular is not None:
+            cls.__rich_repr__.angular = angular  # type: ignore[attr-defined]
+        return cls
+
+    if cls is None:
+        return partial(do_replace, angular=angular)
+    else:
+        return do_replace(cls, angular=angular)
+
+
+@overload
+def rich_repr(cls: Optional[Type[T]]) -> Type[T]:
+    ...
+
+
+@overload
+def rich_repr(*, angular: bool = False) -> Callable[[Type[T]], Type[T]]:
+    ...
+
+
+def rich_repr(
+    cls: Optional[Type[T]] = None, *, angular: bool = False
+) -> Union[Type[T], Callable[[Type[T]], Type[T]]]:
+    if cls is None:
+        return auto(angular=angular)
+    else:
+        return auto(cls)
+
+
+if __name__ == "__main__":
+
+    @auto
+    class Foo:
+        def __rich_repr__(self) -> Result:
+            yield "foo"
+            yield "bar", {"shopping": ["eggs", "ham", "pineapple"]}
+            yield "buy", "hand sanitizer"
+
+    foo = Foo()
+    from pip._vendor.rich.console import Console
+
+    console = Console()
+
+    console.rule("Standard repr")
+    console.print(foo)
+
+    console.print(foo, width=60)
+    console.print(foo, width=30)
+
+    console.rule("Angular repr")
+    Foo.__rich_repr__.angular = True  # type: ignore[attr-defined]
+
+    console.print(foo)
+
+    console.print(foo, width=60)
+    console.print(foo, width=30)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/rule.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/rule.py
new file mode 100644
index 00000000..fd00ce6e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/rule.py
@@ -0,0 +1,130 @@
+from typing import Union
+
+from .align import AlignMethod
+from .cells import cell_len, set_cell_size
+from .console import Console, ConsoleOptions, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .style import Style
+from .text import Text
+
+
+class Rule(JupyterMixin):
+    """A console renderable to draw a horizontal rule (line).
+
+    Args:
+        title (Union[str, Text], optional): Text to render in the rule. Defaults to "".
+        characters (str, optional): Character(s) used to draw the line. Defaults to "─".
+        style (StyleType, optional): Style of Rule. Defaults to "rule.line".
+        end (str, optional): Character at end of Rule. defaults to "\\\\n"
+        align (str, optional): How to align the title, one of "left", "center", or "right". Defaults to "center".
+    """
+
+    def __init__(
+        self,
+        title: Union[str, Text] = "",
+        *,
+        characters: str = "─",
+        style: Union[str, Style] = "rule.line",
+        end: str = "\n",
+        align: AlignMethod = "center",
+    ) -> None:
+        if cell_len(characters) < 1:
+            raise ValueError(
+                "'characters' argument must have a cell width of at least 1"
+            )
+        if align not in ("left", "center", "right"):
+            raise ValueError(
+                f'invalid value for align, expected "left", "center", "right" (not {align!r})'
+            )
+        self.title = title
+        self.characters = characters
+        self.style = style
+        self.end = end
+        self.align = align
+
+    def __repr__(self) -> str:
+        return f"Rule({self.title!r}, {self.characters!r})"
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        width = options.max_width
+
+        characters = (
+            "-"
+            if (options.ascii_only and not self.characters.isascii())
+            else self.characters
+        )
+
+        chars_len = cell_len(characters)
+        if not self.title:
+            yield self._rule_line(chars_len, width)
+            return
+
+        if isinstance(self.title, Text):
+            title_text = self.title
+        else:
+            title_text = console.render_str(self.title, style="rule.text")
+
+        title_text.plain = title_text.plain.replace("\n", " ")
+        title_text.expand_tabs()
+
+        required_space = 4 if self.align == "center" else 2
+        truncate_width = max(0, width - required_space)
+        if not truncate_width:
+            yield self._rule_line(chars_len, width)
+            return
+
+        rule_text = Text(end=self.end)
+        if self.align == "center":
+            title_text.truncate(truncate_width, overflow="ellipsis")
+            side_width = (width - cell_len(title_text.plain)) // 2
+            left = Text(characters * (side_width // chars_len + 1))
+            left.truncate(side_width - 1)
+            right_length = width - cell_len(left.plain) - cell_len(title_text.plain)
+            right = Text(characters * (side_width // chars_len + 1))
+            right.truncate(right_length)
+            rule_text.append(left.plain + " ", self.style)
+            rule_text.append(title_text)
+            rule_text.append(" " + right.plain, self.style)
+        elif self.align == "left":
+            title_text.truncate(truncate_width, overflow="ellipsis")
+            rule_text.append(title_text)
+            rule_text.append(" ")
+            rule_text.append(characters * (width - rule_text.cell_len), self.style)
+        elif self.align == "right":
+            title_text.truncate(truncate_width, overflow="ellipsis")
+            rule_text.append(characters * (width - title_text.cell_len - 1), self.style)
+            rule_text.append(" ")
+            rule_text.append(title_text)
+
+        rule_text.plain = set_cell_size(rule_text.plain, width)
+        yield rule_text
+
+    def _rule_line(self, chars_len: int, width: int) -> Text:
+        rule_text = Text(self.characters * ((width // chars_len) + 1), self.style)
+        rule_text.truncate(width)
+        rule_text.plain = set_cell_size(rule_text.plain, width)
+        return rule_text
+
+    def __rich_measure__(
+        self, console: Console, options: ConsoleOptions
+    ) -> Measurement:
+        return Measurement(1, 1)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sys
+
+    from pip._vendor.rich.console import Console
+
+    try:
+        text = sys.argv[1]
+    except IndexError:
+        text = "Hello, World"
+    console = Console()
+    console.print(Rule(title=text))
+
+    console = Console()
+    console.print(Rule("foo"), width=4)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/scope.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/scope.py
new file mode 100644
index 00000000..c9d134cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/scope.py
@@ -0,0 +1,86 @@
+from collections.abc import Mapping
+from typing import TYPE_CHECKING, Any, Optional, Tuple
+
+from .highlighter import ReprHighlighter
+from .panel import Panel
+from .pretty import Pretty
+from .table import Table
+from .text import Text, TextType
+
+if TYPE_CHECKING:
+    from .console import ConsoleRenderable
+
+
+def render_scope(
+    scope: "Mapping[str, Any]",
+    *,
+    title: Optional[TextType] = None,
+    sort_keys: bool = True,
+    indent_guides: bool = False,
+    max_length: Optional[int] = None,
+    max_string: Optional[int] = None,
+) -> "ConsoleRenderable":
+    """Render python variables in a given scope.
+
+    Args:
+        scope (Mapping): A mapping containing variable names and values.
+        title (str, optional): Optional title. Defaults to None.
+        sort_keys (bool, optional): Enable sorting of items. Defaults to True.
+        indent_guides (bool, optional): Enable indentation guides. Defaults to False.
+        max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to None.
+        max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to None.
+
+    Returns:
+        ConsoleRenderable: A renderable object.
+    """
+    highlighter = ReprHighlighter()
+    items_table = Table.grid(padding=(0, 1), expand=False)
+    items_table.add_column(justify="right")
+
+    def sort_items(item: Tuple[str, Any]) -> Tuple[bool, str]:
+        """Sort special variables first, then alphabetically."""
+        key, _ = item
+        return (not key.startswith("__"), key.lower())
+
+    items = sorted(scope.items(), key=sort_items) if sort_keys else scope.items()
+    for key, value in items:
+        key_text = Text.assemble(
+            (key, "scope.key.special" if key.startswith("__") else "scope.key"),
+            (" =", "scope.equals"),
+        )
+        items_table.add_row(
+            key_text,
+            Pretty(
+                value,
+                highlighter=highlighter,
+                indent_guides=indent_guides,
+                max_length=max_length,
+                max_string=max_string,
+            ),
+        )
+    return Panel.fit(
+        items_table,
+        title=title,
+        border_style="scope.border",
+        padding=(0, 1),
+    )
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich import print
+
+    print()
+
+    def test(foo: float, bar: float) -> None:
+        list_of_things = [1, 2, 3, None, 4, True, False, "Hello World"]
+        dict_of_things = {
+            "version": "1.1",
+            "method": "confirmFruitPurchase",
+            "params": [["apple", "orange", "mangoes", "pomelo"], 1.123],
+            "id": "194521489",
+        }
+        print(render_scope(locals(), title="[i]locals", sort_keys=False))
+
+    test(20.3423, 3.1427)
+    print()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/screen.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/screen.py
new file mode 100644
index 00000000..7f416e1e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/screen.py
@@ -0,0 +1,54 @@
+from typing import Optional, TYPE_CHECKING
+
+from .segment import Segment
+from .style import StyleType
+from ._loop import loop_last
+
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        RenderResult,
+        RenderableType,
+        Group,
+    )
+
+
+class Screen:
+    """A renderable that fills the terminal screen and crops excess.
+
+    Args:
+        renderable (RenderableType): Child renderable.
+        style (StyleType, optional): Optional background style. Defaults to None.
+    """
+
+    renderable: "RenderableType"
+
+    def __init__(
+        self,
+        *renderables: "RenderableType",
+        style: Optional[StyleType] = None,
+        application_mode: bool = False,
+    ) -> None:
+        from pip._vendor.rich.console import Group
+
+        self.renderable = Group(*renderables)
+        self.style = style
+        self.application_mode = application_mode
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        width, height = options.size
+        style = console.get_style(self.style) if self.style else None
+        render_options = options.update(width=width, height=height)
+        lines = console.render_lines(
+            self.renderable or "", render_options, style=style, pad=True
+        )
+        lines = Segment.set_shape(lines, width, height, style=style)
+        new_line = Segment("\n\r") if self.application_mode else Segment.line()
+        for last, line in loop_last(lines):
+            yield from line
+            if not last:
+                yield new_line
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/segment.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/segment.py
new file mode 100644
index 00000000..e1257984
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/segment.py
@@ -0,0 +1,739 @@
+from enum import IntEnum
+from functools import lru_cache
+from itertools import filterfalse
+from logging import getLogger
+from operator import attrgetter
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    Type,
+    Union,
+)
+
+from .cells import (
+    _is_single_cell_widths,
+    cached_cell_len,
+    cell_len,
+    get_character_cell_size,
+    set_cell_size,
+)
+from .repr import Result, rich_repr
+from .style import Style
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult
+
+log = getLogger("rich")
+
+
+class ControlType(IntEnum):
+    """Non-printable control codes which typically translate to ANSI codes."""
+
+    BELL = 1
+    CARRIAGE_RETURN = 2
+    HOME = 3
+    CLEAR = 4
+    SHOW_CURSOR = 5
+    HIDE_CURSOR = 6
+    ENABLE_ALT_SCREEN = 7
+    DISABLE_ALT_SCREEN = 8
+    CURSOR_UP = 9
+    CURSOR_DOWN = 10
+    CURSOR_FORWARD = 11
+    CURSOR_BACKWARD = 12
+    CURSOR_MOVE_TO_COLUMN = 13
+    CURSOR_MOVE_TO = 14
+    ERASE_IN_LINE = 15
+    SET_WINDOW_TITLE = 16
+
+
+ControlCode = Union[
+    Tuple[ControlType],
+    Tuple[ControlType, Union[int, str]],
+    Tuple[ControlType, int, int],
+]
+
+
+@rich_repr()
+class Segment(NamedTuple):
+    """A piece of text with associated style. Segments are produced by the Console render process and
+    are ultimately converted in to strings to be written to the terminal.
+
+    Args:
+        text (str): A piece of text.
+        style (:class:`~rich.style.Style`, optional): An optional style to apply to the text.
+        control (Tuple[ControlCode], optional): Optional sequence of control codes.
+
+    Attributes:
+        cell_length (int): The cell length of this Segment.
+    """
+
+    text: str
+    style: Optional[Style] = None
+    control: Optional[Sequence[ControlCode]] = None
+
+    @property
+    def cell_length(self) -> int:
+        """The number of terminal cells required to display self.text.
+
+        Returns:
+            int: A number of cells.
+        """
+        text, _style, control = self
+        return 0 if control else cell_len(text)
+
+    def __rich_repr__(self) -> Result:
+        yield self.text
+        if self.control is None:
+            if self.style is not None:
+                yield self.style
+        else:
+            yield self.style
+            yield self.control
+
+    def __bool__(self) -> bool:
+        """Check if the segment contains text."""
+        return bool(self.text)
+
+    @property
+    def is_control(self) -> bool:
+        """Check if the segment contains control codes."""
+        return self.control is not None
+
+    @classmethod
+    @lru_cache(1024 * 16)
+    def _split_cells(cls, segment: "Segment", cut: int) -> Tuple["Segment", "Segment"]:
+
+        text, style, control = segment
+        _Segment = Segment
+
+        cell_length = segment.cell_length
+        if cut >= cell_length:
+            return segment, _Segment("", style, control)
+
+        cell_size = get_character_cell_size
+
+        pos = int((cut / cell_length) * (len(text) - 1))
+
+        before = text[:pos]
+        cell_pos = cell_len(before)
+        if cell_pos == cut:
+            return (
+                _Segment(before, style, control),
+                _Segment(text[pos:], style, control),
+            )
+        while pos < len(text):
+            char = text[pos]
+            pos += 1
+            cell_pos += cell_size(char)
+            before = text[:pos]
+            if cell_pos == cut:
+                return (
+                    _Segment(before, style, control),
+                    _Segment(text[pos:], style, control),
+                )
+            if cell_pos > cut:
+                return (
+                    _Segment(before[: pos - 1] + " ", style, control),
+                    _Segment(" " + text[pos:], style, control),
+                )
+
+        raise AssertionError("Will never reach here")
+
+    def split_cells(self, cut: int) -> Tuple["Segment", "Segment"]:
+        """Split segment in to two segments at the specified column.
+
+        If the cut point falls in the middle of a 2-cell wide character then it is replaced
+        by two spaces, to preserve the display width of the parent segment.
+
+        Returns:
+            Tuple[Segment, Segment]: Two segments.
+        """
+        text, style, control = self
+
+        if _is_single_cell_widths(text):
+            # Fast path with all 1 cell characters
+            if cut >= len(text):
+                return self, Segment("", style, control)
+            return (
+                Segment(text[:cut], style, control),
+                Segment(text[cut:], style, control),
+            )
+
+        return self._split_cells(self, cut)
+
+    @classmethod
+    def line(cls) -> "Segment":
+        """Make a new line segment."""
+        return cls("\n")
+
+    @classmethod
+    def apply_style(
+        cls,
+        segments: Iterable["Segment"],
+        style: Optional[Style] = None,
+        post_style: Optional[Style] = None,
+    ) -> Iterable["Segment"]:
+        """Apply style(s) to an iterable of segments.
+
+        Returns an iterable of segments where the style is replaced by ``style + segment.style + post_style``.
+
+        Args:
+            segments (Iterable[Segment]): Segments to process.
+            style (Style, optional): Base style. Defaults to None.
+            post_style (Style, optional): Style to apply on top of segment style. Defaults to None.
+
+        Returns:
+            Iterable[Segments]: A new iterable of segments (possibly the same iterable).
+        """
+        result_segments = segments
+        if style:
+            apply = style.__add__
+            result_segments = (
+                cls(text, None if control else apply(_style), control)
+                for text, _style, control in result_segments
+            )
+        if post_style:
+            result_segments = (
+                cls(
+                    text,
+                    (
+                        None
+                        if control
+                        else (_style + post_style if _style else post_style)
+                    ),
+                    control,
+                )
+                for text, _style, control in result_segments
+            )
+        return result_segments
+
+    @classmethod
+    def filter_control(
+        cls, segments: Iterable["Segment"], is_control: bool = False
+    ) -> Iterable["Segment"]:
+        """Filter segments by ``is_control`` attribute.
+
+        Args:
+            segments (Iterable[Segment]): An iterable of Segment instances.
+            is_control (bool, optional): is_control flag to match in search.
+
+        Returns:
+            Iterable[Segment]: And iterable of Segment instances.
+
+        """
+        if is_control:
+            return filter(attrgetter("control"), segments)
+        else:
+            return filterfalse(attrgetter("control"), segments)
+
+    @classmethod
+    def split_lines(cls, segments: Iterable["Segment"]) -> Iterable[List["Segment"]]:
+        """Split a sequence of segments in to a list of lines.
+
+        Args:
+            segments (Iterable[Segment]): Segments potentially containing line feeds.
+
+        Yields:
+            Iterable[List[Segment]]: Iterable of segment lists, one per line.
+        """
+        line: List[Segment] = []
+        append = line.append
+
+        for segment in segments:
+            if "\n" in segment.text and not segment.control:
+                text, style, _ = segment
+                while text:
+                    _text, new_line, text = text.partition("\n")
+                    if _text:
+                        append(cls(_text, style))
+                    if new_line:
+                        yield line
+                        line = []
+                        append = line.append
+            else:
+                append(segment)
+        if line:
+            yield line
+
+    @classmethod
+    def split_and_crop_lines(
+        cls,
+        segments: Iterable["Segment"],
+        length: int,
+        style: Optional[Style] = None,
+        pad: bool = True,
+        include_new_lines: bool = True,
+    ) -> Iterable[List["Segment"]]:
+        """Split segments in to lines, and crop lines greater than a given length.
+
+        Args:
+            segments (Iterable[Segment]): An iterable of segments, probably
+                generated from console.render.
+            length (int): Desired line length.
+            style (Style, optional): Style to use for any padding.
+            pad (bool): Enable padding of lines that are less than `length`.
+
+        Returns:
+            Iterable[List[Segment]]: An iterable of lines of segments.
+        """
+        line: List[Segment] = []
+        append = line.append
+
+        adjust_line_length = cls.adjust_line_length
+        new_line_segment = cls("\n")
+
+        for segment in segments:
+            if "\n" in segment.text and not segment.control:
+                text, segment_style, _ = segment
+                while text:
+                    _text, new_line, text = text.partition("\n")
+                    if _text:
+                        append(cls(_text, segment_style))
+                    if new_line:
+                        cropped_line = adjust_line_length(
+                            line, length, style=style, pad=pad
+                        )
+                        if include_new_lines:
+                            cropped_line.append(new_line_segment)
+                        yield cropped_line
+                        line.clear()
+            else:
+                append(segment)
+        if line:
+            yield adjust_line_length(line, length, style=style, pad=pad)
+
+    @classmethod
+    def adjust_line_length(
+        cls,
+        line: List["Segment"],
+        length: int,
+        style: Optional[Style] = None,
+        pad: bool = True,
+    ) -> List["Segment"]:
+        """Adjust a line to a given width (cropping or padding as required).
+
+        Args:
+            segments (Iterable[Segment]): A list of segments in a single line.
+            length (int): The desired width of the line.
+            style (Style, optional): The style of padding if used (space on the end). Defaults to None.
+            pad (bool, optional): Pad lines with spaces if they are shorter than `length`. Defaults to True.
+
+        Returns:
+            List[Segment]: A line of segments with the desired length.
+        """
+        line_length = sum(segment.cell_length for segment in line)
+        new_line: List[Segment]
+
+        if line_length < length:
+            if pad:
+                new_line = line + [cls(" " * (length - line_length), style)]
+            else:
+                new_line = line[:]
+        elif line_length > length:
+            new_line = []
+            append = new_line.append
+            line_length = 0
+            for segment in line:
+                segment_length = segment.cell_length
+                if line_length + segment_length < length or segment.control:
+                    append(segment)
+                    line_length += segment_length
+                else:
+                    text, segment_style, _ = segment
+                    text = set_cell_size(text, length - line_length)
+                    append(cls(text, segment_style))
+                    break
+        else:
+            new_line = line[:]
+        return new_line
+
+    @classmethod
+    def get_line_length(cls, line: List["Segment"]) -> int:
+        """Get the length of list of segments.
+
+        Args:
+            line (List[Segment]): A line encoded as a list of Segments (assumes no '\\\\n' characters),
+
+        Returns:
+            int: The length of the line.
+        """
+        _cell_len = cell_len
+        return sum(_cell_len(text) for text, style, control in line if not control)
+
+    @classmethod
+    def get_shape(cls, lines: List[List["Segment"]]) -> Tuple[int, int]:
+        """Get the shape (enclosing rectangle) of a list of lines.
+
+        Args:
+            lines (List[List[Segment]]): A list of lines (no '\\\\n' characters).
+
+        Returns:
+            Tuple[int, int]: Width and height in characters.
+        """
+        get_line_length = cls.get_line_length
+        max_width = max(get_line_length(line) for line in lines) if lines else 0
+        return (max_width, len(lines))
+
+    @classmethod
+    def set_shape(
+        cls,
+        lines: List[List["Segment"]],
+        width: int,
+        height: Optional[int] = None,
+        style: Optional[Style] = None,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Set the shape of a list of lines (enclosing rectangle).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style, optional): Style of any padding added.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        _height = height or len(lines)
+
+        blank = (
+            [cls(" " * width + "\n", style)] if new_lines else [cls(" " * width, style)]
+        )
+
+        adjust_line_length = cls.adjust_line_length
+        shaped_lines = lines[:_height]
+        shaped_lines[:] = [
+            adjust_line_length(line, width, style=style) for line in lines
+        ]
+        if len(shaped_lines) < _height:
+            shaped_lines.extend([blank] * (_height - len(shaped_lines)))
+        return shaped_lines
+
+    @classmethod
+    def align_top(
+        cls: Type["Segment"],
+        lines: List[List["Segment"]],
+        width: int,
+        height: int,
+        style: Style,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Aligns lines to top (adds extra lines to bottom as required).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style): Style of any padding added.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        extra_lines = height - len(lines)
+        if not extra_lines:
+            return lines[:]
+        lines = lines[:height]
+        blank = cls(" " * width + "\n", style) if new_lines else cls(" " * width, style)
+        lines = lines + [[blank]] * extra_lines
+        return lines
+
+    @classmethod
+    def align_bottom(
+        cls: Type["Segment"],
+        lines: List[List["Segment"]],
+        width: int,
+        height: int,
+        style: Style,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Aligns render to bottom (adds extra lines above as required).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style): Style of any padding added. Defaults to None.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        extra_lines = height - len(lines)
+        if not extra_lines:
+            return lines[:]
+        lines = lines[:height]
+        blank = cls(" " * width + "\n", style) if new_lines else cls(" " * width, style)
+        lines = [[blank]] * extra_lines + lines
+        return lines
+
+    @classmethod
+    def align_middle(
+        cls: Type["Segment"],
+        lines: List[List["Segment"]],
+        width: int,
+        height: int,
+        style: Style,
+        new_lines: bool = False,
+    ) -> List[List["Segment"]]:
+        """Aligns lines to middle (adds extra lines to above and below as required).
+
+        Args:
+            lines (List[List[Segment]]): A list of lines.
+            width (int): Desired width.
+            height (int, optional): Desired height or None for no change.
+            style (Style): Style of any padding added.
+            new_lines (bool, optional): Padded lines should include "\n". Defaults to False.
+
+        Returns:
+            List[List[Segment]]: New list of lines.
+        """
+        extra_lines = height - len(lines)
+        if not extra_lines:
+            return lines[:]
+        lines = lines[:height]
+        blank = cls(" " * width + "\n", style) if new_lines else cls(" " * width, style)
+        top_lines = extra_lines // 2
+        bottom_lines = extra_lines - top_lines
+        lines = [[blank]] * top_lines + lines + [[blank]] * bottom_lines
+        return lines
+
+    @classmethod
+    def simplify(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Simplify an iterable of segments by combining contiguous segments with the same style.
+
+        Args:
+            segments (Iterable[Segment]): An iterable of segments.
+
+        Returns:
+            Iterable[Segment]: A possibly smaller iterable of segments that will render the same way.
+        """
+        iter_segments = iter(segments)
+        try:
+            last_segment = next(iter_segments)
+        except StopIteration:
+            return
+
+        _Segment = Segment
+        for segment in iter_segments:
+            if last_segment.style == segment.style and not segment.control:
+                last_segment = _Segment(
+                    last_segment.text + segment.text, last_segment.style
+                )
+            else:
+                yield last_segment
+                last_segment = segment
+        yield last_segment
+
+    @classmethod
+    def strip_links(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Remove all links from an iterable of styles.
+
+        Args:
+            segments (Iterable[Segment]): An iterable segments.
+
+        Yields:
+            Segment: Segments with link removed.
+        """
+        for segment in segments:
+            if segment.control or segment.style is None:
+                yield segment
+            else:
+                text, style, _control = segment
+                yield cls(text, style.update_link(None) if style else None)
+
+    @classmethod
+    def strip_styles(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Remove all styles from an iterable of segments.
+
+        Args:
+            segments (Iterable[Segment]): An iterable segments.
+
+        Yields:
+            Segment: Segments with styles replace with None
+        """
+        for text, _style, control in segments:
+            yield cls(text, None, control)
+
+    @classmethod
+    def remove_color(cls, segments: Iterable["Segment"]) -> Iterable["Segment"]:
+        """Remove all color from an iterable of segments.
+
+        Args:
+            segments (Iterable[Segment]): An iterable segments.
+
+        Yields:
+            Segment: Segments with colorless style.
+        """
+
+        cache: Dict[Style, Style] = {}
+        for text, style, control in segments:
+            if style:
+                colorless_style = cache.get(style)
+                if colorless_style is None:
+                    colorless_style = style.without_color
+                    cache[style] = colorless_style
+                yield cls(text, colorless_style, control)
+            else:
+                yield cls(text, None, control)
+
+    @classmethod
+    def divide(
+        cls, segments: Iterable["Segment"], cuts: Iterable[int]
+    ) -> Iterable[List["Segment"]]:
+        """Divides an iterable of segments in to portions.
+
+        Args:
+            cuts (Iterable[int]): Cell positions where to divide.
+
+        Yields:
+            [Iterable[List[Segment]]]: An iterable of Segments in List.
+        """
+        split_segments: List["Segment"] = []
+        add_segment = split_segments.append
+
+        iter_cuts = iter(cuts)
+
+        while True:
+            cut = next(iter_cuts, -1)
+            if cut == -1:
+                return []
+            if cut != 0:
+                break
+            yield []
+        pos = 0
+
+        segments_clear = split_segments.clear
+        segments_copy = split_segments.copy
+
+        _cell_len = cached_cell_len
+        for segment in segments:
+            text, _style, control = segment
+            while text:
+                end_pos = pos if control else pos + _cell_len(text)
+                if end_pos < cut:
+                    add_segment(segment)
+                    pos = end_pos
+                    break
+
+                if end_pos == cut:
+                    add_segment(segment)
+                    yield segments_copy()
+                    segments_clear()
+                    pos = end_pos
+
+                    cut = next(iter_cuts, -1)
+                    if cut == -1:
+                        if split_segments:
+                            yield segments_copy()
+                        return
+
+                    break
+
+                else:
+                    before, segment = segment.split_cells(cut - pos)
+                    text, _style, control = segment
+                    add_segment(before)
+                    yield segments_copy()
+                    segments_clear()
+                    pos = cut
+
+                cut = next(iter_cuts, -1)
+                if cut == -1:
+                    if split_segments:
+                        yield segments_copy()
+                    return
+
+        yield segments_copy()
+
+
+class Segments:
+    """A simple renderable to render an iterable of segments. This class may be useful if
+    you want to print segments outside of a __rich_console__ method.
+
+    Args:
+        segments (Iterable[Segment]): An iterable of segments.
+        new_lines (bool, optional): Add new lines between segments. Defaults to False.
+    """
+
+    def __init__(self, segments: Iterable[Segment], new_lines: bool = False) -> None:
+        self.segments = list(segments)
+        self.new_lines = new_lines
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.new_lines:
+            line = Segment.line()
+            for segment in self.segments:
+                yield segment
+                yield line
+        else:
+            yield from self.segments
+
+
+class SegmentLines:
+    def __init__(self, lines: Iterable[List[Segment]], new_lines: bool = False) -> None:
+        """A simple renderable containing a number of lines of segments. May be used as an intermediate
+        in rendering process.
+
+        Args:
+            lines (Iterable[List[Segment]]): Lists of segments forming lines.
+            new_lines (bool, optional): Insert new lines after each line. Defaults to False.
+        """
+        self.lines = list(lines)
+        self.new_lines = new_lines
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        if self.new_lines:
+            new_line = Segment.line()
+            for line in self.lines:
+                yield from line
+                yield new_line
+        else:
+            for line in self.lines:
+                yield from line
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+    from pip._vendor.rich.syntax import Syntax
+    from pip._vendor.rich.text import Text
+
+    code = """from rich.console import Console
+console = Console()
+text = Text.from_markup("Hello, [bold magenta]World[/]!")
+console.print(text)"""
+
+    text = Text.from_markup("Hello, [bold magenta]World[/]!")
+
+    console = Console()
+
+    console.rule("rich.Segment")
+    console.print(
+        "A Segment is the last step in the Rich render process before generating text with ANSI codes."
+    )
+    console.print("\nConsider the following code:\n")
+    console.print(Syntax(code, "python", line_numbers=True))
+    console.print()
+    console.print(
+        "When you call [b]print()[/b], Rich [i]renders[/i] the object in to the following:\n"
+    )
+    fragments = list(console.render(text))
+    console.print(fragments)
+    console.print()
+    console.print("The Segments are then processed to produce the following output:\n")
+    console.print(text)
+    console.print(
+        "\nYou will only need to know this if you are implementing your own Rich renderables."
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/spinner.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/spinner.py
new file mode 100644
index 00000000..91ea630e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/spinner.py
@@ -0,0 +1,137 @@
+from typing import cast, List, Optional, TYPE_CHECKING, Union
+
+from ._spinners import SPINNERS
+from .measure import Measurement
+from .table import Table
+from .text import Text
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult, RenderableType
+    from .style import StyleType
+
+
+class Spinner:
+    """A spinner animation.
+
+    Args:
+        name (str): Name of spinner (run python -m rich.spinner).
+        text (RenderableType, optional): A renderable to display at the right of the spinner (str or Text typically). Defaults to "".
+        style (StyleType, optional): Style for spinner animation. Defaults to None.
+        speed (float, optional): Speed factor for animation. Defaults to 1.0.
+
+    Raises:
+        KeyError: If name isn't one of the supported spinner animations.
+    """
+
+    def __init__(
+        self,
+        name: str,
+        text: "RenderableType" = "",
+        *,
+        style: Optional["StyleType"] = None,
+        speed: float = 1.0,
+    ) -> None:
+        try:
+            spinner = SPINNERS[name]
+        except KeyError:
+            raise KeyError(f"no spinner called {name!r}")
+        self.text: "Union[RenderableType, Text]" = (
+            Text.from_markup(text) if isinstance(text, str) else text
+        )
+        self.frames = cast(List[str], spinner["frames"])[:]
+        self.interval = cast(float, spinner["interval"])
+        self.start_time: Optional[float] = None
+        self.style = style
+        self.speed = speed
+        self.frame_no_offset: float = 0.0
+        self._update_speed = 0.0
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        yield self.render(console.get_time())
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        text = self.render(0)
+        return Measurement.get(console, options, text)
+
+    def render(self, time: float) -> "RenderableType":
+        """Render the spinner for a given time.
+
+        Args:
+            time (float): Time in seconds.
+
+        Returns:
+            RenderableType: A renderable containing animation frame.
+        """
+        if self.start_time is None:
+            self.start_time = time
+
+        frame_no = ((time - self.start_time) * self.speed) / (
+            self.interval / 1000.0
+        ) + self.frame_no_offset
+        frame = Text(
+            self.frames[int(frame_no) % len(self.frames)], style=self.style or ""
+        )
+
+        if self._update_speed:
+            self.frame_no_offset = frame_no
+            self.start_time = time
+            self.speed = self._update_speed
+            self._update_speed = 0.0
+
+        if not self.text:
+            return frame
+        elif isinstance(self.text, (str, Text)):
+            return Text.assemble(frame, " ", self.text)
+        else:
+            table = Table.grid(padding=1)
+            table.add_row(frame, self.text)
+            return table
+
+    def update(
+        self,
+        *,
+        text: "RenderableType" = "",
+        style: Optional["StyleType"] = None,
+        speed: Optional[float] = None,
+    ) -> None:
+        """Updates attributes of a spinner after it has been started.
+
+        Args:
+            text (RenderableType, optional): A renderable to display at the right of the spinner (str or Text typically). Defaults to "".
+            style (StyleType, optional): Style for spinner animation. Defaults to None.
+            speed (float, optional): Speed factor for animation. Defaults to None.
+        """
+        if text:
+            self.text = Text.from_markup(text) if isinstance(text, str) else text
+        if style:
+            self.style = style
+        if speed:
+            self._update_speed = speed
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from time import sleep
+
+    from .columns import Columns
+    from .panel import Panel
+    from .live import Live
+
+    all_spinners = Columns(
+        [
+            Spinner(spinner_name, text=Text(repr(spinner_name), style="green"))
+            for spinner_name in sorted(SPINNERS.keys())
+        ],
+        column_first=True,
+        expand=True,
+    )
+
+    with Live(
+        Panel(all_spinners, title="Spinners", border_style="blue"),
+        refresh_per_second=20,
+    ) as live:
+        while True:
+            sleep(0.1)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/status.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/status.py
new file mode 100644
index 00000000..09eff405
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/status.py
@@ -0,0 +1,132 @@
+from types import TracebackType
+from typing import Optional, Type
+
+from .console import Console, RenderableType
+from .jupyter import JupyterMixin
+from .live import Live
+from .spinner import Spinner
+from .style import StyleType
+
+
+class Status(JupyterMixin):
+    """Displays a status indicator with a 'spinner' animation.
+
+    Args:
+        status (RenderableType): A status renderable (str or Text typically).
+        console (Console, optional): Console instance to use, or None for global console. Defaults to None.
+        spinner (str, optional): Name of spinner animation (see python -m rich.spinner). Defaults to "dots".
+        spinner_style (StyleType, optional): Style of spinner. Defaults to "status.spinner".
+        speed (float, optional): Speed factor for spinner animation. Defaults to 1.0.
+        refresh_per_second (float, optional): Number of refreshes per second. Defaults to 12.5.
+    """
+
+    def __init__(
+        self,
+        status: RenderableType,
+        *,
+        console: Optional[Console] = None,
+        spinner: str = "dots",
+        spinner_style: StyleType = "status.spinner",
+        speed: float = 1.0,
+        refresh_per_second: float = 12.5,
+    ):
+        self.status = status
+        self.spinner_style = spinner_style
+        self.speed = speed
+        self._spinner = Spinner(spinner, text=status, style=spinner_style, speed=speed)
+        self._live = Live(
+            self.renderable,
+            console=console,
+            refresh_per_second=refresh_per_second,
+            transient=True,
+        )
+
+    @property
+    def renderable(self) -> Spinner:
+        return self._spinner
+
+    @property
+    def console(self) -> "Console":
+        """Get the Console used by the Status objects."""
+        return self._live.console
+
+    def update(
+        self,
+        status: Optional[RenderableType] = None,
+        *,
+        spinner: Optional[str] = None,
+        spinner_style: Optional[StyleType] = None,
+        speed: Optional[float] = None,
+    ) -> None:
+        """Update status.
+
+        Args:
+            status (Optional[RenderableType], optional): New status renderable or None for no change. Defaults to None.
+            spinner (Optional[str], optional): New spinner or None for no change. Defaults to None.
+            spinner_style (Optional[StyleType], optional): New spinner style or None for no change. Defaults to None.
+            speed (Optional[float], optional): Speed factor for spinner animation or None for no change. Defaults to None.
+        """
+        if status is not None:
+            self.status = status
+        if spinner_style is not None:
+            self.spinner_style = spinner_style
+        if speed is not None:
+            self.speed = speed
+        if spinner is not None:
+            self._spinner = Spinner(
+                spinner, text=self.status, style=self.spinner_style, speed=self.speed
+            )
+            self._live.update(self.renderable, refresh=True)
+        else:
+            self._spinner.update(
+                text=self.status, style=self.spinner_style, speed=self.speed
+            )
+
+    def start(self) -> None:
+        """Start the status animation."""
+        self._live.start()
+
+    def stop(self) -> None:
+        """Stop the spinner animation."""
+        self._live.stop()
+
+    def __rich__(self) -> RenderableType:
+        return self.renderable
+
+    def __enter__(self) -> "Status":
+        self.start()
+        return self
+
+    def __exit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self.stop()
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from time import sleep
+
+    from .console import Console
+
+    console = Console()
+    with console.status("[magenta]Covid detector booting up") as status:
+        sleep(3)
+        console.log("Importing advanced AI")
+        sleep(3)
+        console.log("Advanced Covid AI Ready")
+        sleep(3)
+        status.update(status="[bold blue] Scanning for Covid", spinner="earth")
+        sleep(3)
+        console.log("Found 10,000,000,000 copies of Covid32.exe")
+        sleep(3)
+        status.update(
+            status="[bold red]Moving Covid32.exe to Trash",
+            spinner="bouncingBall",
+            spinner_style="yellow",
+        )
+        sleep(5)
+    console.print("[bold green]Covid deleted successfully")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/style.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/style.py
new file mode 100644
index 00000000..313c8894
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/style.py
@@ -0,0 +1,796 @@
+import sys
+from functools import lru_cache
+from marshal import dumps, loads
+from random import randint
+from typing import Any, Dict, Iterable, List, Optional, Type, Union, cast
+
+from . import errors
+from .color import Color, ColorParseError, ColorSystem, blend_rgb
+from .repr import Result, rich_repr
+from .terminal_theme import DEFAULT_TERMINAL_THEME, TerminalTheme
+
+# Style instances and style definitions are often interchangeable
+StyleType = Union[str, "Style"]
+
+
+class _Bit:
+    """A descriptor to get/set a style attribute bit."""
+
+    __slots__ = ["bit"]
+
+    def __init__(self, bit_no: int) -> None:
+        self.bit = 1 << bit_no
+
+    def __get__(self, obj: "Style", objtype: Type["Style"]) -> Optional[bool]:
+        if obj._set_attributes & self.bit:
+            return obj._attributes & self.bit != 0
+        return None
+
+
+@rich_repr
+class Style:
+    """A terminal style.
+
+    A terminal style consists of a color (`color`), a background color (`bgcolor`), and a number of attributes, such
+    as bold, italic etc. The attributes have 3 states: they can either be on
+    (``True``), off (``False``), or not set (``None``).
+
+    Args:
+        color (Union[Color, str], optional): Color of terminal text. Defaults to None.
+        bgcolor (Union[Color, str], optional): Color of terminal background. Defaults to None.
+        bold (bool, optional): Enable bold text. Defaults to None.
+        dim (bool, optional): Enable dim text. Defaults to None.
+        italic (bool, optional): Enable italic text. Defaults to None.
+        underline (bool, optional): Enable underlined text. Defaults to None.
+        blink (bool, optional): Enabled blinking text. Defaults to None.
+        blink2 (bool, optional): Enable fast blinking text. Defaults to None.
+        reverse (bool, optional): Enabled reverse text. Defaults to None.
+        conceal (bool, optional): Enable concealed text. Defaults to None.
+        strike (bool, optional): Enable strikethrough text. Defaults to None.
+        underline2 (bool, optional): Enable doubly underlined text. Defaults to None.
+        frame (bool, optional): Enable framed text. Defaults to None.
+        encircle (bool, optional): Enable encircled text. Defaults to None.
+        overline (bool, optional): Enable overlined text. Defaults to None.
+        link (str, link): Link URL. Defaults to None.
+
+    """
+
+    _color: Optional[Color]
+    _bgcolor: Optional[Color]
+    _attributes: int
+    _set_attributes: int
+    _hash: Optional[int]
+    _null: bool
+    _meta: Optional[bytes]
+
+    __slots__ = [
+        "_color",
+        "_bgcolor",
+        "_attributes",
+        "_set_attributes",
+        "_link",
+        "_link_id",
+        "_ansi",
+        "_style_definition",
+        "_hash",
+        "_null",
+        "_meta",
+    ]
+
+    # maps bits on to SGR parameter
+    _style_map = {
+        0: "1",
+        1: "2",
+        2: "3",
+        3: "4",
+        4: "5",
+        5: "6",
+        6: "7",
+        7: "8",
+        8: "9",
+        9: "21",
+        10: "51",
+        11: "52",
+        12: "53",
+    }
+
+    STYLE_ATTRIBUTES = {
+        "dim": "dim",
+        "d": "dim",
+        "bold": "bold",
+        "b": "bold",
+        "italic": "italic",
+        "i": "italic",
+        "underline": "underline",
+        "u": "underline",
+        "blink": "blink",
+        "blink2": "blink2",
+        "reverse": "reverse",
+        "r": "reverse",
+        "conceal": "conceal",
+        "c": "conceal",
+        "strike": "strike",
+        "s": "strike",
+        "underline2": "underline2",
+        "uu": "underline2",
+        "frame": "frame",
+        "encircle": "encircle",
+        "overline": "overline",
+        "o": "overline",
+    }
+
+    def __init__(
+        self,
+        *,
+        color: Optional[Union[Color, str]] = None,
+        bgcolor: Optional[Union[Color, str]] = None,
+        bold: Optional[bool] = None,
+        dim: Optional[bool] = None,
+        italic: Optional[bool] = None,
+        underline: Optional[bool] = None,
+        blink: Optional[bool] = None,
+        blink2: Optional[bool] = None,
+        reverse: Optional[bool] = None,
+        conceal: Optional[bool] = None,
+        strike: Optional[bool] = None,
+        underline2: Optional[bool] = None,
+        frame: Optional[bool] = None,
+        encircle: Optional[bool] = None,
+        overline: Optional[bool] = None,
+        link: Optional[str] = None,
+        meta: Optional[Dict[str, Any]] = None,
+    ):
+        self._ansi: Optional[str] = None
+        self._style_definition: Optional[str] = None
+
+        def _make_color(color: Union[Color, str]) -> Color:
+            return color if isinstance(color, Color) else Color.parse(color)
+
+        self._color = None if color is None else _make_color(color)
+        self._bgcolor = None if bgcolor is None else _make_color(bgcolor)
+        self._set_attributes = sum(
+            (
+                bold is not None,
+                dim is not None and 2,
+                italic is not None and 4,
+                underline is not None and 8,
+                blink is not None and 16,
+                blink2 is not None and 32,
+                reverse is not None and 64,
+                conceal is not None and 128,
+                strike is not None and 256,
+                underline2 is not None and 512,
+                frame is not None and 1024,
+                encircle is not None and 2048,
+                overline is not None and 4096,
+            )
+        )
+        self._attributes = (
+            sum(
+                (
+                    bold and 1 or 0,
+                    dim and 2 or 0,
+                    italic and 4 or 0,
+                    underline and 8 or 0,
+                    blink and 16 or 0,
+                    blink2 and 32 or 0,
+                    reverse and 64 or 0,
+                    conceal and 128 or 0,
+                    strike and 256 or 0,
+                    underline2 and 512 or 0,
+                    frame and 1024 or 0,
+                    encircle and 2048 or 0,
+                    overline and 4096 or 0,
+                )
+            )
+            if self._set_attributes
+            else 0
+        )
+
+        self._link = link
+        self._meta = None if meta is None else dumps(meta)
+        self._link_id = (
+            f"{randint(0, 999999)}{hash(self._meta)}" if (link or meta) else ""
+        )
+        self._hash: Optional[int] = None
+        self._null = not (self._set_attributes or color or bgcolor or link or meta)
+
+    @classmethod
+    def null(cls) -> "Style":
+        """Create an 'null' style, equivalent to Style(), but more performant."""
+        return NULL_STYLE
+
+    @classmethod
+    def from_color(
+        cls, color: Optional[Color] = None, bgcolor: Optional[Color] = None
+    ) -> "Style":
+        """Create a new style with colors and no attributes.
+
+        Returns:
+            color (Optional[Color]): A (foreground) color, or None for no color. Defaults to None.
+            bgcolor (Optional[Color]): A (background) color, or None for no color. Defaults to None.
+        """
+        style: Style = cls.__new__(Style)
+        style._ansi = None
+        style._style_definition = None
+        style._color = color
+        style._bgcolor = bgcolor
+        style._set_attributes = 0
+        style._attributes = 0
+        style._link = None
+        style._link_id = ""
+        style._meta = None
+        style._null = not (color or bgcolor)
+        style._hash = None
+        return style
+
+    @classmethod
+    def from_meta(cls, meta: Optional[Dict[str, Any]]) -> "Style":
+        """Create a new style with meta data.
+
+        Returns:
+            meta (Optional[Dict[str, Any]]): A dictionary of meta data. Defaults to None.
+        """
+        style: Style = cls.__new__(Style)
+        style._ansi = None
+        style._style_definition = None
+        style._color = None
+        style._bgcolor = None
+        style._set_attributes = 0
+        style._attributes = 0
+        style._link = None
+        style._meta = dumps(meta)
+        style._link_id = f"{randint(0, 999999)}{hash(style._meta)}"
+        style._hash = None
+        style._null = not (meta)
+        return style
+
+    @classmethod
+    def on(cls, meta: Optional[Dict[str, Any]] = None, **handlers: Any) -> "Style":
+        """Create a blank style with meta information.
+
+        Example:
+            style = Style.on(click=self.on_click)
+
+        Args:
+            meta (Optional[Dict[str, Any]], optional): An optional dict of meta information.
+            **handlers (Any): Keyword arguments are translated in to handlers.
+
+        Returns:
+            Style: A Style with meta information attached.
+        """
+        meta = {} if meta is None else meta
+        meta.update({f"@{key}": value for key, value in handlers.items()})
+        return cls.from_meta(meta)
+
+    bold = _Bit(0)
+    dim = _Bit(1)
+    italic = _Bit(2)
+    underline = _Bit(3)
+    blink = _Bit(4)
+    blink2 = _Bit(5)
+    reverse = _Bit(6)
+    conceal = _Bit(7)
+    strike = _Bit(8)
+    underline2 = _Bit(9)
+    frame = _Bit(10)
+    encircle = _Bit(11)
+    overline = _Bit(12)
+
+    @property
+    def link_id(self) -> str:
+        """Get a link id, used in ansi code for links."""
+        return self._link_id
+
+    def __str__(self) -> str:
+        """Re-generate style definition from attributes."""
+        if self._style_definition is None:
+            attributes: List[str] = []
+            append = attributes.append
+            bits = self._set_attributes
+            if bits & 0b0000000001111:
+                if bits & 1:
+                    append("bold" if self.bold else "not bold")
+                if bits & (1 << 1):
+                    append("dim" if self.dim else "not dim")
+                if bits & (1 << 2):
+                    append("italic" if self.italic else "not italic")
+                if bits & (1 << 3):
+                    append("underline" if self.underline else "not underline")
+            if bits & 0b0000111110000:
+                if bits & (1 << 4):
+                    append("blink" if self.blink else "not blink")
+                if bits & (1 << 5):
+                    append("blink2" if self.blink2 else "not blink2")
+                if bits & (1 << 6):
+                    append("reverse" if self.reverse else "not reverse")
+                if bits & (1 << 7):
+                    append("conceal" if self.conceal else "not conceal")
+                if bits & (1 << 8):
+                    append("strike" if self.strike else "not strike")
+            if bits & 0b1111000000000:
+                if bits & (1 << 9):
+                    append("underline2" if self.underline2 else "not underline2")
+                if bits & (1 << 10):
+                    append("frame" if self.frame else "not frame")
+                if bits & (1 << 11):
+                    append("encircle" if self.encircle else "not encircle")
+                if bits & (1 << 12):
+                    append("overline" if self.overline else "not overline")
+            if self._color is not None:
+                append(self._color.name)
+            if self._bgcolor is not None:
+                append("on")
+                append(self._bgcolor.name)
+            if self._link:
+                append("link")
+                append(self._link)
+            self._style_definition = " ".join(attributes) or "none"
+        return self._style_definition
+
+    def __bool__(self) -> bool:
+        """A Style is false if it has no attributes, colors, or links."""
+        return not self._null
+
+    def _make_ansi_codes(self, color_system: ColorSystem) -> str:
+        """Generate ANSI codes for this style.
+
+        Args:
+            color_system (ColorSystem): Color system.
+
+        Returns:
+            str: String containing codes.
+        """
+
+        if self._ansi is None:
+            sgr: List[str] = []
+            append = sgr.append
+            _style_map = self._style_map
+            attributes = self._attributes & self._set_attributes
+            if attributes:
+                if attributes & 1:
+                    append(_style_map[0])
+                if attributes & 2:
+                    append(_style_map[1])
+                if attributes & 4:
+                    append(_style_map[2])
+                if attributes & 8:
+                    append(_style_map[3])
+                if attributes & 0b0000111110000:
+                    for bit in range(4, 9):
+                        if attributes & (1 << bit):
+                            append(_style_map[bit])
+                if attributes & 0b1111000000000:
+                    for bit in range(9, 13):
+                        if attributes & (1 << bit):
+                            append(_style_map[bit])
+            if self._color is not None:
+                sgr.extend(self._color.downgrade(color_system).get_ansi_codes())
+            if self._bgcolor is not None:
+                sgr.extend(
+                    self._bgcolor.downgrade(color_system).get_ansi_codes(
+                        foreground=False
+                    )
+                )
+            self._ansi = ";".join(sgr)
+        return self._ansi
+
+    @classmethod
+    @lru_cache(maxsize=1024)
+    def normalize(cls, style: str) -> str:
+        """Normalize a style definition so that styles with the same effect have the same string
+        representation.
+
+        Args:
+            style (str): A style definition.
+
+        Returns:
+            str: Normal form of style definition.
+        """
+        try:
+            return str(cls.parse(style))
+        except errors.StyleSyntaxError:
+            return style.strip().lower()
+
+    @classmethod
+    def pick_first(cls, *values: Optional[StyleType]) -> StyleType:
+        """Pick first non-None style."""
+        for value in values:
+            if value is not None:
+                return value
+        raise ValueError("expected at least one non-None style")
+
+    def __rich_repr__(self) -> Result:
+        yield "color", self.color, None
+        yield "bgcolor", self.bgcolor, None
+        yield "bold", self.bold, None,
+        yield "dim", self.dim, None,
+        yield "italic", self.italic, None
+        yield "underline", self.underline, None,
+        yield "blink", self.blink, None
+        yield "blink2", self.blink2, None
+        yield "reverse", self.reverse, None
+        yield "conceal", self.conceal, None
+        yield "strike", self.strike, None
+        yield "underline2", self.underline2, None
+        yield "frame", self.frame, None
+        yield "encircle", self.encircle, None
+        yield "link", self.link, None
+        if self._meta:
+            yield "meta", self.meta
+
+    def __eq__(self, other: Any) -> bool:
+        if not isinstance(other, Style):
+            return NotImplemented
+        return self.__hash__() == other.__hash__()
+
+    def __ne__(self, other: Any) -> bool:
+        if not isinstance(other, Style):
+            return NotImplemented
+        return self.__hash__() != other.__hash__()
+
+    def __hash__(self) -> int:
+        if self._hash is not None:
+            return self._hash
+        self._hash = hash(
+            (
+                self._color,
+                self._bgcolor,
+                self._attributes,
+                self._set_attributes,
+                self._link,
+                self._meta,
+            )
+        )
+        return self._hash
+
+    @property
+    def color(self) -> Optional[Color]:
+        """The foreground color or None if it is not set."""
+        return self._color
+
+    @property
+    def bgcolor(self) -> Optional[Color]:
+        """The background color or None if it is not set."""
+        return self._bgcolor
+
+    @property
+    def link(self) -> Optional[str]:
+        """Link text, if set."""
+        return self._link
+
+    @property
+    def transparent_background(self) -> bool:
+        """Check if the style specified a transparent background."""
+        return self.bgcolor is None or self.bgcolor.is_default
+
+    @property
+    def background_style(self) -> "Style":
+        """A Style with background only."""
+        return Style(bgcolor=self.bgcolor)
+
+    @property
+    def meta(self) -> Dict[str, Any]:
+        """Get meta information (can not be changed after construction)."""
+        return {} if self._meta is None else cast(Dict[str, Any], loads(self._meta))
+
+    @property
+    def without_color(self) -> "Style":
+        """Get a copy of the style with color removed."""
+        if self._null:
+            return NULL_STYLE
+        style: Style = self.__new__(Style)
+        style._ansi = None
+        style._style_definition = None
+        style._color = None
+        style._bgcolor = None
+        style._attributes = self._attributes
+        style._set_attributes = self._set_attributes
+        style._link = self._link
+        style._link_id = f"{randint(0, 999999)}" if self._link else ""
+        style._null = False
+        style._meta = None
+        style._hash = None
+        return style
+
+    @classmethod
+    @lru_cache(maxsize=4096)
+    def parse(cls, style_definition: str) -> "Style":
+        """Parse a style definition.
+
+        Args:
+            style_definition (str): A string containing a style.
+
+        Raises:
+            errors.StyleSyntaxError: If the style definition syntax is invalid.
+
+        Returns:
+            `Style`: A Style instance.
+        """
+        if style_definition.strip() == "none" or not style_definition:
+            return cls.null()
+
+        STYLE_ATTRIBUTES = cls.STYLE_ATTRIBUTES
+        color: Optional[str] = None
+        bgcolor: Optional[str] = None
+        attributes: Dict[str, Optional[Any]] = {}
+        link: Optional[str] = None
+
+        words = iter(style_definition.split())
+        for original_word in words:
+            word = original_word.lower()
+            if word == "on":
+                word = next(words, "")
+                if not word:
+                    raise errors.StyleSyntaxError("color expected after 'on'")
+                try:
+                    Color.parse(word) is None
+                except ColorParseError as error:
+                    raise errors.StyleSyntaxError(
+                        f"unable to parse {word!r} as background color; {error}"
+                    ) from None
+                bgcolor = word
+
+            elif word == "not":
+                word = next(words, "")
+                attribute = STYLE_ATTRIBUTES.get(word)
+                if attribute is None:
+                    raise errors.StyleSyntaxError(
+                        f"expected style attribute after 'not', found {word!r}"
+                    )
+                attributes[attribute] = False
+
+            elif word == "link":
+                word = next(words, "")
+                if not word:
+                    raise errors.StyleSyntaxError("URL expected after 'link'")
+                link = word
+
+            elif word in STYLE_ATTRIBUTES:
+                attributes[STYLE_ATTRIBUTES[word]] = True
+
+            else:
+                try:
+                    Color.parse(word)
+                except ColorParseError as error:
+                    raise errors.StyleSyntaxError(
+                        f"unable to parse {word!r} as color; {error}"
+                    ) from None
+                color = word
+        style = Style(color=color, bgcolor=bgcolor, link=link, **attributes)
+        return style
+
+    @lru_cache(maxsize=1024)
+    def get_html_style(self, theme: Optional[TerminalTheme] = None) -> str:
+        """Get a CSS style rule."""
+        theme = theme or DEFAULT_TERMINAL_THEME
+        css: List[str] = []
+        append = css.append
+
+        color = self.color
+        bgcolor = self.bgcolor
+        if self.reverse:
+            color, bgcolor = bgcolor, color
+        if self.dim:
+            foreground_color = (
+                theme.foreground_color if color is None else color.get_truecolor(theme)
+            )
+            color = Color.from_triplet(
+                blend_rgb(foreground_color, theme.background_color, 0.5)
+            )
+        if color is not None:
+            theme_color = color.get_truecolor(theme)
+            append(f"color: {theme_color.hex}")
+            append(f"text-decoration-color: {theme_color.hex}")
+        if bgcolor is not None:
+            theme_color = bgcolor.get_truecolor(theme, foreground=False)
+            append(f"background-color: {theme_color.hex}")
+        if self.bold:
+            append("font-weight: bold")
+        if self.italic:
+            append("font-style: italic")
+        if self.underline:
+            append("text-decoration: underline")
+        if self.strike:
+            append("text-decoration: line-through")
+        if self.overline:
+            append("text-decoration: overline")
+        return "; ".join(css)
+
+    @classmethod
+    def combine(cls, styles: Iterable["Style"]) -> "Style":
+        """Combine styles and get result.
+
+        Args:
+            styles (Iterable[Style]): Styles to combine.
+
+        Returns:
+            Style: A new style instance.
+        """
+        iter_styles = iter(styles)
+        return sum(iter_styles, next(iter_styles))
+
+    @classmethod
+    def chain(cls, *styles: "Style") -> "Style":
+        """Combine styles from positional argument in to a single style.
+
+        Args:
+            *styles (Iterable[Style]): Styles to combine.
+
+        Returns:
+            Style: A new style instance.
+        """
+        iter_styles = iter(styles)
+        return sum(iter_styles, next(iter_styles))
+
+    def copy(self) -> "Style":
+        """Get a copy of this style.
+
+        Returns:
+            Style: A new Style instance with identical attributes.
+        """
+        if self._null:
+            return NULL_STYLE
+        style: Style = self.__new__(Style)
+        style._ansi = self._ansi
+        style._style_definition = self._style_definition
+        style._color = self._color
+        style._bgcolor = self._bgcolor
+        style._attributes = self._attributes
+        style._set_attributes = self._set_attributes
+        style._link = self._link
+        style._link_id = f"{randint(0, 999999)}" if self._link else ""
+        style._hash = self._hash
+        style._null = False
+        style._meta = self._meta
+        return style
+
+    @lru_cache(maxsize=128)
+    def clear_meta_and_links(self) -> "Style":
+        """Get a copy of this style with link and meta information removed.
+
+        Returns:
+            Style: New style object.
+        """
+        if self._null:
+            return NULL_STYLE
+        style: Style = self.__new__(Style)
+        style._ansi = self._ansi
+        style._style_definition = self._style_definition
+        style._color = self._color
+        style._bgcolor = self._bgcolor
+        style._attributes = self._attributes
+        style._set_attributes = self._set_attributes
+        style._link = None
+        style._link_id = ""
+        style._hash = self._hash
+        style._null = False
+        style._meta = None
+        return style
+
+    def update_link(self, link: Optional[str] = None) -> "Style":
+        """Get a copy with a different value for link.
+
+        Args:
+            link (str, optional): New value for link. Defaults to None.
+
+        Returns:
+            Style: A new Style instance.
+        """
+        style: Style = self.__new__(Style)
+        style._ansi = self._ansi
+        style._style_definition = self._style_definition
+        style._color = self._color
+        style._bgcolor = self._bgcolor
+        style._attributes = self._attributes
+        style._set_attributes = self._set_attributes
+        style._link = link
+        style._link_id = f"{randint(0, 999999)}" if link else ""
+        style._hash = None
+        style._null = False
+        style._meta = self._meta
+        return style
+
+    def render(
+        self,
+        text: str = "",
+        *,
+        color_system: Optional[ColorSystem] = ColorSystem.TRUECOLOR,
+        legacy_windows: bool = False,
+    ) -> str:
+        """Render the ANSI codes for the style.
+
+        Args:
+            text (str, optional): A string to style. Defaults to "".
+            color_system (Optional[ColorSystem], optional): Color system to render to. Defaults to ColorSystem.TRUECOLOR.
+
+        Returns:
+            str: A string containing ANSI style codes.
+        """
+        if not text or color_system is None:
+            return text
+        attrs = self._ansi or self._make_ansi_codes(color_system)
+        rendered = f"\x1b[{attrs}m{text}\x1b[0m" if attrs else text
+        if self._link and not legacy_windows:
+            rendered = (
+                f"\x1b]8;id={self._link_id};{self._link}\x1b\\{rendered}\x1b]8;;\x1b\\"
+            )
+        return rendered
+
+    def test(self, text: Optional[str] = None) -> None:
+        """Write text with style directly to terminal.
+
+        This method is for testing purposes only.
+
+        Args:
+            text (Optional[str], optional): Text to style or None for style name.
+
+        """
+        text = text or str(self)
+        sys.stdout.write(f"{self.render(text)}\n")
+
+    @lru_cache(maxsize=1024)
+    def _add(self, style: Optional["Style"]) -> "Style":
+        if style is None or style._null:
+            return self
+        if self._null:
+            return style
+        new_style: Style = self.__new__(Style)
+        new_style._ansi = None
+        new_style._style_definition = None
+        new_style._color = style._color or self._color
+        new_style._bgcolor = style._bgcolor or self._bgcolor
+        new_style._attributes = (self._attributes & ~style._set_attributes) | (
+            style._attributes & style._set_attributes
+        )
+        new_style._set_attributes = self._set_attributes | style._set_attributes
+        new_style._link = style._link or self._link
+        new_style._link_id = style._link_id or self._link_id
+        new_style._null = style._null
+        if self._meta and style._meta:
+            new_style._meta = dumps({**self.meta, **style.meta})
+        else:
+            new_style._meta = self._meta or style._meta
+        new_style._hash = None
+        return new_style
+
+    def __add__(self, style: Optional["Style"]) -> "Style":
+        combined_style = self._add(style)
+        return combined_style.copy() if combined_style.link else combined_style
+
+
+NULL_STYLE = Style()
+
+
+class StyleStack:
+    """A stack of styles."""
+
+    __slots__ = ["_stack"]
+
+    def __init__(self, default_style: "Style") -> None:
+        self._stack: List[Style] = [default_style]
+
+    def __repr__(self) -> str:
+        return f"<stylestack {self._stack!r}>"
+
+    @property
+    def current(self) -> Style:
+        """Get the Style at the top of the stack."""
+        return self._stack[-1]
+
+    def push(self, style: Style) -> None:
+        """Push a new style on to the stack.
+
+        Args:
+            style (Style): New style to combine with current style.
+        """
+        self._stack.append(self._stack[-1] + style)
+
+    def pop(self) -> Style:
+        """Pop last style and discard.
+
+        Returns:
+            Style: New current style (also available as stack.current)
+        """
+        self._stack.pop()
+        return self._stack[-1]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/styled.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/styled.py
new file mode 100644
index 00000000..91cd0db3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/styled.py
@@ -0,0 +1,42 @@
+from typing import TYPE_CHECKING
+
+from .measure import Measurement
+from .segment import Segment
+from .style import StyleType
+
+if TYPE_CHECKING:
+    from .console import Console, ConsoleOptions, RenderResult, RenderableType
+
+
+class Styled:
+    """Apply a style to a renderable.
+
+    Args:
+        renderable (RenderableType): Any renderable.
+        style (StyleType): A style to apply across the entire renderable.
+    """
+
+    def __init__(self, renderable: "RenderableType", style: "StyleType") -> None:
+        self.renderable = renderable
+        self.style = style
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        style = console.get_style(self.style)
+        rendered_segments = console.render(self.renderable, options)
+        segments = Segment.apply_style(rendered_segments, style)
+        return segments
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        return Measurement.get(console, options, self.renderable)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich import print
+    from pip._vendor.rich.panel import Panel
+
+    panel = Styled(Panel("hello"), "on blue")
+    print(panel)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/syntax.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/syntax.py
new file mode 100644
index 00000000..57033766
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/syntax.py
@@ -0,0 +1,948 @@
+import os.path
+import platform
+import re
+import sys
+import textwrap
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import (
+    Any,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Set,
+    Tuple,
+    Type,
+    Union,
+)
+
+from pip._vendor.pygments.lexer import Lexer
+from pip._vendor.pygments.lexers import get_lexer_by_name, guess_lexer_for_filename
+from pip._vendor.pygments.style import Style as PygmentsStyle
+from pip._vendor.pygments.styles import get_style_by_name
+from pip._vendor.pygments.token import (
+    Comment,
+    Error,
+    Generic,
+    Keyword,
+    Name,
+    Number,
+    Operator,
+    String,
+    Token,
+    Whitespace,
+)
+from pip._vendor.pygments.util import ClassNotFound
+
+from pip._vendor.rich.containers import Lines
+from pip._vendor.rich.padding import Padding, PaddingDimensions
+
+from ._loop import loop_first
+from .cells import cell_len
+from .color import Color, blend_rgb
+from .console import Console, ConsoleOptions, JustifyMethod, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment, Segments
+from .style import Style, StyleType
+from .text import Text
+
+TokenType = Tuple[str, ...]
+
+WINDOWS = platform.system() == "Windows"
+DEFAULT_THEME = "monokai"
+
+# The following styles are based on https://github.com/pygments/pygments/blob/master/pygments/formatters/terminal.py
+# A few modifications were made
+
+ANSI_LIGHT: Dict[TokenType, Style] = {
+    Token: Style(),
+    Whitespace: Style(color="white"),
+    Comment: Style(dim=True),
+    Comment.Preproc: Style(color="cyan"),
+    Keyword: Style(color="blue"),
+    Keyword.Type: Style(color="cyan"),
+    Operator.Word: Style(color="magenta"),
+    Name.Builtin: Style(color="cyan"),
+    Name.Function: Style(color="green"),
+    Name.Namespace: Style(color="cyan", underline=True),
+    Name.Class: Style(color="green", underline=True),
+    Name.Exception: Style(color="cyan"),
+    Name.Decorator: Style(color="magenta", bold=True),
+    Name.Variable: Style(color="red"),
+    Name.Constant: Style(color="red"),
+    Name.Attribute: Style(color="cyan"),
+    Name.Tag: Style(color="bright_blue"),
+    String: Style(color="yellow"),
+    Number: Style(color="blue"),
+    Generic.Deleted: Style(color="bright_red"),
+    Generic.Inserted: Style(color="green"),
+    Generic.Heading: Style(bold=True),
+    Generic.Subheading: Style(color="magenta", bold=True),
+    Generic.Prompt: Style(bold=True),
+    Generic.Error: Style(color="bright_red"),
+    Error: Style(color="red", underline=True),
+}
+
+ANSI_DARK: Dict[TokenType, Style] = {
+    Token: Style(),
+    Whitespace: Style(color="bright_black"),
+    Comment: Style(dim=True),
+    Comment.Preproc: Style(color="bright_cyan"),
+    Keyword: Style(color="bright_blue"),
+    Keyword.Type: Style(color="bright_cyan"),
+    Operator.Word: Style(color="bright_magenta"),
+    Name.Builtin: Style(color="bright_cyan"),
+    Name.Function: Style(color="bright_green"),
+    Name.Namespace: Style(color="bright_cyan", underline=True),
+    Name.Class: Style(color="bright_green", underline=True),
+    Name.Exception: Style(color="bright_cyan"),
+    Name.Decorator: Style(color="bright_magenta", bold=True),
+    Name.Variable: Style(color="bright_red"),
+    Name.Constant: Style(color="bright_red"),
+    Name.Attribute: Style(color="bright_cyan"),
+    Name.Tag: Style(color="bright_blue"),
+    String: Style(color="yellow"),
+    Number: Style(color="bright_blue"),
+    Generic.Deleted: Style(color="bright_red"),
+    Generic.Inserted: Style(color="bright_green"),
+    Generic.Heading: Style(bold=True),
+    Generic.Subheading: Style(color="bright_magenta", bold=True),
+    Generic.Prompt: Style(bold=True),
+    Generic.Error: Style(color="bright_red"),
+    Error: Style(color="red", underline=True),
+}
+
+RICH_SYNTAX_THEMES = {"ansi_light": ANSI_LIGHT, "ansi_dark": ANSI_DARK}
+NUMBERS_COLUMN_DEFAULT_PADDING = 2
+
+
+class SyntaxTheme(ABC):
+    """Base class for a syntax theme."""
+
+    @abstractmethod
+    def get_style_for_token(self, token_type: TokenType) -> Style:
+        """Get a style for a given Pygments token."""
+        raise NotImplementedError  # pragma: no cover
+
+    @abstractmethod
+    def get_background_style(self) -> Style:
+        """Get the background color."""
+        raise NotImplementedError  # pragma: no cover
+
+
+class PygmentsSyntaxTheme(SyntaxTheme):
+    """Syntax theme that delegates to Pygments theme."""
+
+    def __init__(self, theme: Union[str, Type[PygmentsStyle]]) -> None:
+        self._style_cache: Dict[TokenType, Style] = {}
+        if isinstance(theme, str):
+            try:
+                self._pygments_style_class = get_style_by_name(theme)
+            except ClassNotFound:
+                self._pygments_style_class = get_style_by_name("default")
+        else:
+            self._pygments_style_class = theme
+
+        self._background_color = self._pygments_style_class.background_color
+        self._background_style = Style(bgcolor=self._background_color)
+
+    def get_style_for_token(self, token_type: TokenType) -> Style:
+        """Get a style from a Pygments class."""
+        try:
+            return self._style_cache[token_type]
+        except KeyError:
+            try:
+                pygments_style = self._pygments_style_class.style_for_token(token_type)
+            except KeyError:
+                style = Style.null()
+            else:
+                color = pygments_style["color"]
+                bgcolor = pygments_style["bgcolor"]
+                style = Style(
+                    color="#" + color if color else "#000000",
+                    bgcolor="#" + bgcolor if bgcolor else self._background_color,
+                    bold=pygments_style["bold"],
+                    italic=pygments_style["italic"],
+                    underline=pygments_style["underline"],
+                )
+            self._style_cache[token_type] = style
+        return style
+
+    def get_background_style(self) -> Style:
+        return self._background_style
+
+
+class ANSISyntaxTheme(SyntaxTheme):
+    """Syntax theme to use standard colors."""
+
+    def __init__(self, style_map: Dict[TokenType, Style]) -> None:
+        self.style_map = style_map
+        self._missing_style = Style.null()
+        self._background_style = Style.null()
+        self._style_cache: Dict[TokenType, Style] = {}
+
+    def get_style_for_token(self, token_type: TokenType) -> Style:
+        """Look up style in the style map."""
+        try:
+            return self._style_cache[token_type]
+        except KeyError:
+            # Styles form a hierarchy
+            # We need to go from most to least specific
+            # e.g. ("foo", "bar", "baz") to ("foo", "bar")  to ("foo",)
+            get_style = self.style_map.get
+            token = tuple(token_type)
+            style = self._missing_style
+            while token:
+                _style = get_style(token)
+                if _style is not None:
+                    style = _style
+                    break
+                token = token[:-1]
+            self._style_cache[token_type] = style
+            return style
+
+    def get_background_style(self) -> Style:
+        return self._background_style
+
+
+SyntaxPosition = Tuple[int, int]
+
+
+class _SyntaxHighlightRange(NamedTuple):
+    """
+    A range to highlight in a Syntax object.
+    `start` and `end` are 2-integers tuples, where the first integer is the line number
+    (starting from 1) and the second integer is the column index (starting from 0).
+    """
+
+    style: StyleType
+    start: SyntaxPosition
+    end: SyntaxPosition
+
+
+class Syntax(JupyterMixin):
+    """Construct a Syntax object to render syntax highlighted code.
+
+    Args:
+        code (str): Code to highlight.
+        lexer (Lexer | str): Lexer to use (see https://pygments.org/docs/lexers/)
+        theme (str, optional): Color theme, aka Pygments style (see https://pygments.org/docs/styles/#getting-a-list-of-available-styles). Defaults to "monokai".
+        dedent (bool, optional): Enable stripping of initial whitespace. Defaults to False.
+        line_numbers (bool, optional): Enable rendering of line numbers. Defaults to False.
+        start_line (int, optional): Starting number for line numbers. Defaults to 1.
+        line_range (Tuple[int | None, int | None], optional): If given should be a tuple of the start and end line to render.
+            A value of None in the tuple indicates the range is open in that direction.
+        highlight_lines (Set[int]): A set of line numbers to highlight.
+        code_width: Width of code to render (not including line numbers), or ``None`` to use all available width.
+        tab_size (int, optional): Size of tabs. Defaults to 4.
+        word_wrap (bool, optional): Enable word wrapping.
+        background_color (str, optional): Optional background color, or None to use theme color. Defaults to None.
+        indent_guides (bool, optional): Show indent guides. Defaults to False.
+        padding (PaddingDimensions): Padding to apply around the syntax. Defaults to 0 (no padding).
+    """
+
+    _pygments_style_class: Type[PygmentsStyle]
+    _theme: SyntaxTheme
+
+    @classmethod
+    def get_theme(cls, name: Union[str, SyntaxTheme]) -> SyntaxTheme:
+        """Get a syntax theme instance."""
+        if isinstance(name, SyntaxTheme):
+            return name
+        theme: SyntaxTheme
+        if name in RICH_SYNTAX_THEMES:
+            theme = ANSISyntaxTheme(RICH_SYNTAX_THEMES[name])
+        else:
+            theme = PygmentsSyntaxTheme(name)
+        return theme
+
+    def __init__(
+        self,
+        code: str,
+        lexer: Union[Lexer, str],
+        *,
+        theme: Union[str, SyntaxTheme] = DEFAULT_THEME,
+        dedent: bool = False,
+        line_numbers: bool = False,
+        start_line: int = 1,
+        line_range: Optional[Tuple[Optional[int], Optional[int]]] = None,
+        highlight_lines: Optional[Set[int]] = None,
+        code_width: Optional[int] = None,
+        tab_size: int = 4,
+        word_wrap: bool = False,
+        background_color: Optional[str] = None,
+        indent_guides: bool = False,
+        padding: PaddingDimensions = 0,
+    ) -> None:
+        self.code = code
+        self._lexer = lexer
+        self.dedent = dedent
+        self.line_numbers = line_numbers
+        self.start_line = start_line
+        self.line_range = line_range
+        self.highlight_lines = highlight_lines or set()
+        self.code_width = code_width
+        self.tab_size = tab_size
+        self.word_wrap = word_wrap
+        self.background_color = background_color
+        self.background_style = (
+            Style(bgcolor=background_color) if background_color else Style()
+        )
+        self.indent_guides = indent_guides
+        self.padding = padding
+
+        self._theme = self.get_theme(theme)
+        self._stylized_ranges: List[_SyntaxHighlightRange] = []
+
+    @classmethod
+    def from_path(
+        cls,
+        path: str,
+        encoding: str = "utf-8",
+        lexer: Optional[Union[Lexer, str]] = None,
+        theme: Union[str, SyntaxTheme] = DEFAULT_THEME,
+        dedent: bool = False,
+        line_numbers: bool = False,
+        line_range: Optional[Tuple[int, int]] = None,
+        start_line: int = 1,
+        highlight_lines: Optional[Set[int]] = None,
+        code_width: Optional[int] = None,
+        tab_size: int = 4,
+        word_wrap: bool = False,
+        background_color: Optional[str] = None,
+        indent_guides: bool = False,
+        padding: PaddingDimensions = 0,
+    ) -> "Syntax":
+        """Construct a Syntax object from a file.
+
+        Args:
+            path (str): Path to file to highlight.
+            encoding (str): Encoding of file.
+            lexer (str | Lexer, optional): Lexer to use. If None, lexer will be auto-detected from path/file content.
+            theme (str, optional): Color theme, aka Pygments style (see https://pygments.org/docs/styles/#getting-a-list-of-available-styles). Defaults to "emacs".
+            dedent (bool, optional): Enable stripping of initial whitespace. Defaults to True.
+            line_numbers (bool, optional): Enable rendering of line numbers. Defaults to False.
+            start_line (int, optional): Starting number for line numbers. Defaults to 1.
+            line_range (Tuple[int, int], optional): If given should be a tuple of the start and end line to render.
+            highlight_lines (Set[int]): A set of line numbers to highlight.
+            code_width: Width of code to render (not including line numbers), or ``None`` to use all available width.
+            tab_size (int, optional): Size of tabs. Defaults to 4.
+            word_wrap (bool, optional): Enable word wrapping of code.
+            background_color (str, optional): Optional background color, or None to use theme color. Defaults to None.
+            indent_guides (bool, optional): Show indent guides. Defaults to False.
+            padding (PaddingDimensions): Padding to apply around the syntax. Defaults to 0 (no padding).
+
+        Returns:
+            [Syntax]: A Syntax object that may be printed to the console
+        """
+        code = Path(path).read_text(encoding=encoding)
+
+        if not lexer:
+            lexer = cls.guess_lexer(path, code=code)
+
+        return cls(
+            code,
+            lexer,
+            theme=theme,
+            dedent=dedent,
+            line_numbers=line_numbers,
+            line_range=line_range,
+            start_line=start_line,
+            highlight_lines=highlight_lines,
+            code_width=code_width,
+            tab_size=tab_size,
+            word_wrap=word_wrap,
+            background_color=background_color,
+            indent_guides=indent_guides,
+            padding=padding,
+        )
+
+    @classmethod
+    def guess_lexer(cls, path: str, code: Optional[str] = None) -> str:
+        """Guess the alias of the Pygments lexer to use based on a path and an optional string of code.
+        If code is supplied, it will use a combination of the code and the filename to determine the
+        best lexer to use. For example, if the file is ``index.html`` and the file contains Django
+        templating syntax, then "html+django" will be returned. If the file is ``index.html``, and no
+        templating language is used, the "html" lexer will be used. If no string of code
+        is supplied, the lexer will be chosen based on the file extension..
+
+        Args:
+             path (AnyStr): The path to the file containing the code you wish to know the lexer for.
+             code (str, optional): Optional string of code that will be used as a fallback if no lexer
+                is found for the supplied path.
+
+        Returns:
+            str: The name of the Pygments lexer that best matches the supplied path/code.
+        """
+        lexer: Optional[Lexer] = None
+        lexer_name = "default"
+        if code:
+            try:
+                lexer = guess_lexer_for_filename(path, code)
+            except ClassNotFound:
+                pass
+
+        if not lexer:
+            try:
+                _, ext = os.path.splitext(path)
+                if ext:
+                    extension = ext.lstrip(".").lower()
+                    lexer = get_lexer_by_name(extension)
+            except ClassNotFound:
+                pass
+
+        if lexer:
+            if lexer.aliases:
+                lexer_name = lexer.aliases[0]
+            else:
+                lexer_name = lexer.name
+
+        return lexer_name
+
+    def _get_base_style(self) -> Style:
+        """Get the base style."""
+        default_style = self._theme.get_background_style() + self.background_style
+        return default_style
+
+    def _get_token_color(self, token_type: TokenType) -> Optional[Color]:
+        """Get a color (if any) for the given token.
+
+        Args:
+            token_type (TokenType): A token type tuple from Pygments.
+
+        Returns:
+            Optional[Color]: Color from theme, or None for no color.
+        """
+        style = self._theme.get_style_for_token(token_type)
+        return style.color
+
+    @property
+    def lexer(self) -> Optional[Lexer]:
+        """The lexer for this syntax, or None if no lexer was found.
+
+        Tries to find the lexer by name if a string was passed to the constructor.
+        """
+
+        if isinstance(self._lexer, Lexer):
+            return self._lexer
+        try:
+            return get_lexer_by_name(
+                self._lexer,
+                stripnl=False,
+                ensurenl=True,
+                tabsize=self.tab_size,
+            )
+        except ClassNotFound:
+            return None
+
+    def highlight(
+        self,
+        code: str,
+        line_range: Optional[Tuple[Optional[int], Optional[int]]] = None,
+    ) -> Text:
+        """Highlight code and return a Text instance.
+
+        Args:
+            code (str): Code to highlight.
+            line_range(Tuple[int, int], optional): Optional line range to highlight.
+
+        Returns:
+            Text: A text instance containing highlighted syntax.
+        """
+
+        base_style = self._get_base_style()
+        justify: JustifyMethod = (
+            "default" if base_style.transparent_background else "left"
+        )
+
+        text = Text(
+            justify=justify,
+            style=base_style,
+            tab_size=self.tab_size,
+            no_wrap=not self.word_wrap,
+        )
+        _get_theme_style = self._theme.get_style_for_token
+
+        lexer = self.lexer
+
+        if lexer is None:
+            text.append(code)
+        else:
+            if line_range:
+                # More complicated path to only stylize a portion of the code
+                # This speeds up further operations as there are less spans to process
+                line_start, line_end = line_range
+
+                def line_tokenize() -> Iterable[Tuple[Any, str]]:
+                    """Split tokens to one per line."""
+                    assert lexer  # required to make MyPy happy - we know lexer is not None at this point
+
+                    for token_type, token in lexer.get_tokens(code):
+                        while token:
+                            line_token, new_line, token = token.partition("\n")
+                            yield token_type, line_token + new_line
+
+                def tokens_to_spans() -> Iterable[Tuple[str, Optional[Style]]]:
+                    """Convert tokens to spans."""
+                    tokens = iter(line_tokenize())
+                    line_no = 0
+                    _line_start = line_start - 1 if line_start else 0
+
+                    # Skip over tokens until line start
+                    while line_no < _line_start:
+                        try:
+                            _token_type, token = next(tokens)
+                        except StopIteration:
+                            break
+                        yield (token, None)
+                        if token.endswith("\n"):
+                            line_no += 1
+                    # Generate spans until line end
+                    for token_type, token in tokens:
+                        yield (token, _get_theme_style(token_type))
+                        if token.endswith("\n"):
+                            line_no += 1
+                            if line_end and line_no >= line_end:
+                                break
+
+                text.append_tokens(tokens_to_spans())
+
+            else:
+                text.append_tokens(
+                    (token, _get_theme_style(token_type))
+                    for token_type, token in lexer.get_tokens(code)
+                )
+            if self.background_color is not None:
+                text.stylize(f"on {self.background_color}")
+
+        if self._stylized_ranges:
+            self._apply_stylized_ranges(text)
+
+        return text
+
+    def stylize_range(
+        self, style: StyleType, start: SyntaxPosition, end: SyntaxPosition
+    ) -> None:
+        """
+        Adds a custom style on a part of the code, that will be applied to the syntax display when it's rendered.
+        Line numbers are 1-based, while column indexes are 0-based.
+
+        Args:
+            style (StyleType): The style to apply.
+            start (Tuple[int, int]): The start of the range, in the form `[line number, column index]`.
+            end (Tuple[int, int]): The end of the range, in the form `[line number, column index]`.
+        """
+        self._stylized_ranges.append(_SyntaxHighlightRange(style, start, end))
+
+    def _get_line_numbers_color(self, blend: float = 0.3) -> Color:
+        background_style = self._theme.get_background_style() + self.background_style
+        background_color = background_style.bgcolor
+        if background_color is None or background_color.is_system_defined:
+            return Color.default()
+        foreground_color = self._get_token_color(Token.Text)
+        if foreground_color is None or foreground_color.is_system_defined:
+            return foreground_color or Color.default()
+        new_color = blend_rgb(
+            background_color.get_truecolor(),
+            foreground_color.get_truecolor(),
+            cross_fade=blend,
+        )
+        return Color.from_triplet(new_color)
+
+    @property
+    def _numbers_column_width(self) -> int:
+        """Get the number of characters used to render the numbers column."""
+        column_width = 0
+        if self.line_numbers:
+            column_width = (
+                len(str(self.start_line + self.code.count("\n")))
+                + NUMBERS_COLUMN_DEFAULT_PADDING
+            )
+        return column_width
+
+    def _get_number_styles(self, console: Console) -> Tuple[Style, Style, Style]:
+        """Get background, number, and highlight styles for line numbers."""
+        background_style = self._get_base_style()
+        if background_style.transparent_background:
+            return Style.null(), Style(dim=True), Style.null()
+        if console.color_system in ("256", "truecolor"):
+            number_style = Style.chain(
+                background_style,
+                self._theme.get_style_for_token(Token.Text),
+                Style(color=self._get_line_numbers_color()),
+                self.background_style,
+            )
+            highlight_number_style = Style.chain(
+                background_style,
+                self._theme.get_style_for_token(Token.Text),
+                Style(bold=True, color=self._get_line_numbers_color(0.9)),
+                self.background_style,
+            )
+        else:
+            number_style = background_style + Style(dim=True)
+            highlight_number_style = background_style + Style(dim=False)
+        return background_style, number_style, highlight_number_style
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        _, right, _, left = Padding.unpack(self.padding)
+        padding = left + right
+        if self.code_width is not None:
+            width = self.code_width + self._numbers_column_width + padding + 1
+            return Measurement(self._numbers_column_width, width)
+        lines = self.code.splitlines()
+        width = (
+            self._numbers_column_width
+            + padding
+            + (max(cell_len(line) for line in lines) if lines else 0)
+        )
+        if self.line_numbers:
+            width += 1
+        return Measurement(self._numbers_column_width, width)
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        segments = Segments(self._get_syntax(console, options))
+        if self.padding:
+            yield Padding(
+                segments, style=self._theme.get_background_style(), pad=self.padding
+            )
+        else:
+            yield segments
+
+    def _get_syntax(
+        self,
+        console: Console,
+        options: ConsoleOptions,
+    ) -> Iterable[Segment]:
+        """
+        Get the Segments for the Syntax object, excluding any vertical/horizontal padding
+        """
+        transparent_background = self._get_base_style().transparent_background
+        code_width = (
+            (
+                (options.max_width - self._numbers_column_width - 1)
+                if self.line_numbers
+                else options.max_width
+            )
+            if self.code_width is None
+            else self.code_width
+        )
+
+        ends_on_nl, processed_code = self._process_code(self.code)
+        text = self.highlight(processed_code, self.line_range)
+
+        if not self.line_numbers and not self.word_wrap and not self.line_range:
+            if not ends_on_nl:
+                text.remove_suffix("\n")
+            # Simple case of just rendering text
+            style = (
+                self._get_base_style()
+                + self._theme.get_style_for_token(Comment)
+                + Style(dim=True)
+                + self.background_style
+            )
+            if self.indent_guides and not options.ascii_only:
+                text = text.with_indent_guides(self.tab_size, style=style)
+                text.overflow = "crop"
+            if style.transparent_background:
+                yield from console.render(
+                    text, options=options.update(width=code_width)
+                )
+            else:
+                syntax_lines = console.render_lines(
+                    text,
+                    options.update(width=code_width, height=None, justify="left"),
+                    style=self.background_style,
+                    pad=True,
+                    new_lines=True,
+                )
+                for syntax_line in syntax_lines:
+                    yield from syntax_line
+            return
+
+        start_line, end_line = self.line_range or (None, None)
+        line_offset = 0
+        if start_line:
+            line_offset = max(0, start_line - 1)
+        lines: Union[List[Text], Lines] = text.split("\n", allow_blank=ends_on_nl)
+        if self.line_range:
+            if line_offset > len(lines):
+                return
+            lines = lines[line_offset:end_line]
+
+        if self.indent_guides and not options.ascii_only:
+            style = (
+                self._get_base_style()
+                + self._theme.get_style_for_token(Comment)
+                + Style(dim=True)
+                + self.background_style
+            )
+            lines = (
+                Text("\n")
+                .join(lines)
+                .with_indent_guides(self.tab_size, style=style + Style(italic=False))
+                .split("\n", allow_blank=True)
+            )
+
+        numbers_column_width = self._numbers_column_width
+        render_options = options.update(width=code_width)
+
+        highlight_line = self.highlight_lines.__contains__
+        _Segment = Segment
+        new_line = _Segment("\n")
+
+        line_pointer = "> " if options.legacy_windows else "❱ "
+
+        (
+            background_style,
+            number_style,
+            highlight_number_style,
+        ) = self._get_number_styles(console)
+
+        for line_no, line in enumerate(lines, self.start_line + line_offset):
+            if self.word_wrap:
+                wrapped_lines = console.render_lines(
+                    line,
+                    render_options.update(height=None, justify="left"),
+                    style=background_style,
+                    pad=not transparent_background,
+                )
+            else:
+                segments = list(line.render(console, end=""))
+                if options.no_wrap:
+                    wrapped_lines = [segments]
+                else:
+                    wrapped_lines = [
+                        _Segment.adjust_line_length(
+                            segments,
+                            render_options.max_width,
+                            style=background_style,
+                            pad=not transparent_background,
+                        )
+                    ]
+
+            if self.line_numbers:
+                wrapped_line_left_pad = _Segment(
+                    " " * numbers_column_width + " ", background_style
+                )
+                for first, wrapped_line in loop_first(wrapped_lines):
+                    if first:
+                        line_column = str(line_no).rjust(numbers_column_width - 2) + " "
+                        if highlight_line(line_no):
+                            yield _Segment(line_pointer, Style(color="red"))
+                            yield _Segment(line_column, highlight_number_style)
+                        else:
+                            yield _Segment("  ", highlight_number_style)
+                            yield _Segment(line_column, number_style)
+                    else:
+                        yield wrapped_line_left_pad
+                    yield from wrapped_line
+                    yield new_line
+            else:
+                for wrapped_line in wrapped_lines:
+                    yield from wrapped_line
+                    yield new_line
+
+    def _apply_stylized_ranges(self, text: Text) -> None:
+        """
+        Apply stylized ranges to a text instance,
+        using the given code to determine the right portion to apply the style to.
+
+        Args:
+            text (Text): Text instance to apply the style to.
+        """
+        code = text.plain
+        newlines_offsets = [
+            # Let's add outer boundaries at each side of the list:
+            0,
+            # N.B. using "\n" here is much faster than using metacharacters such as "^" or "\Z":
+            *[
+                match.start() + 1
+                for match in re.finditer("\n", code, flags=re.MULTILINE)
+            ],
+            len(code) + 1,
+        ]
+
+        for stylized_range in self._stylized_ranges:
+            start = _get_code_index_for_syntax_position(
+                newlines_offsets, stylized_range.start
+            )
+            end = _get_code_index_for_syntax_position(
+                newlines_offsets, stylized_range.end
+            )
+            if start is not None and end is not None:
+                text.stylize(stylized_range.style, start, end)
+
+    def _process_code(self, code: str) -> Tuple[bool, str]:
+        """
+        Applies various processing to a raw code string
+        (normalises it so it always ends with a line return, dedents it if necessary, etc.)
+
+        Args:
+            code (str): The raw code string to process
+
+        Returns:
+            Tuple[bool, str]: the boolean indicates whether the raw code ends with a line return,
+                while the string is the processed code.
+        """
+        ends_on_nl = code.endswith("\n")
+        processed_code = code if ends_on_nl else code + "\n"
+        processed_code = (
+            textwrap.dedent(processed_code) if self.dedent else processed_code
+        )
+        processed_code = processed_code.expandtabs(self.tab_size)
+        return ends_on_nl, processed_code
+
+
+def _get_code_index_for_syntax_position(
+    newlines_offsets: Sequence[int], position: SyntaxPosition
+) -> Optional[int]:
+    """
+    Returns the index of the code string for the given positions.
+
+    Args:
+        newlines_offsets (Sequence[int]): The offset of each newline character found in the code snippet.
+        position (SyntaxPosition): The position to search for.
+
+    Returns:
+        Optional[int]: The index of the code string for this position, or `None`
+            if the given position's line number is out of range (if it's the column that is out of range
+            we silently clamp its value so that it reaches the end of the line)
+    """
+    lines_count = len(newlines_offsets)
+
+    line_number, column_index = position
+    if line_number > lines_count or len(newlines_offsets) < (line_number + 1):
+        return None  # `line_number` is out of range
+    line_index = line_number - 1
+    line_length = newlines_offsets[line_index + 1] - newlines_offsets[line_index] - 1
+    # If `column_index` is out of range: let's silently clamp it:
+    column_index = min(line_length, column_index)
+    return newlines_offsets[line_index] + column_index
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import argparse
+    import sys
+
+    parser = argparse.ArgumentParser(
+        description="Render syntax to the console with Rich"
+    )
+    parser.add_argument(
+        "path",
+        metavar="PATH",
+        help="path to file, or - for stdin",
+    )
+    parser.add_argument(
+        "-c",
+        "--force-color",
+        dest="force_color",
+        action="store_true",
+        default=None,
+        help="force color for non-terminals",
+    )
+    parser.add_argument(
+        "-i",
+        "--indent-guides",
+        dest="indent_guides",
+        action="store_true",
+        default=False,
+        help="display indent guides",
+    )
+    parser.add_argument(
+        "-l",
+        "--line-numbers",
+        dest="line_numbers",
+        action="store_true",
+        help="render line numbers",
+    )
+    parser.add_argument(
+        "-w",
+        "--width",
+        type=int,
+        dest="width",
+        default=None,
+        help="width of output (default will auto-detect)",
+    )
+    parser.add_argument(
+        "-r",
+        "--wrap",
+        dest="word_wrap",
+        action="store_true",
+        default=False,
+        help="word wrap long lines",
+    )
+    parser.add_argument(
+        "-s",
+        "--soft-wrap",
+        action="store_true",
+        dest="soft_wrap",
+        default=False,
+        help="enable soft wrapping mode",
+    )
+    parser.add_argument(
+        "-t", "--theme", dest="theme", default="monokai", help="pygments theme"
+    )
+    parser.add_argument(
+        "-b",
+        "--background-color",
+        dest="background_color",
+        default=None,
+        help="Override background color",
+    )
+    parser.add_argument(
+        "-x",
+        "--lexer",
+        default=None,
+        dest="lexer_name",
+        help="Lexer name",
+    )
+    parser.add_argument(
+        "-p", "--padding", type=int, default=0, dest="padding", help="Padding"
+    )
+    parser.add_argument(
+        "--highlight-line",
+        type=int,
+        default=None,
+        dest="highlight_line",
+        help="The line number (not index!) to highlight",
+    )
+    args = parser.parse_args()
+
+    from pip._vendor.rich.console import Console
+
+    console = Console(force_terminal=args.force_color, width=args.width)
+
+    if args.path == "-":
+        code = sys.stdin.read()
+        syntax = Syntax(
+            code=code,
+            lexer=args.lexer_name,
+            line_numbers=args.line_numbers,
+            word_wrap=args.word_wrap,
+            theme=args.theme,
+            background_color=args.background_color,
+            indent_guides=args.indent_guides,
+            padding=args.padding,
+            highlight_lines={args.highlight_line},
+        )
+    else:
+        syntax = Syntax.from_path(
+            args.path,
+            lexer=args.lexer_name,
+            line_numbers=args.line_numbers,
+            word_wrap=args.word_wrap,
+            theme=args.theme,
+            background_color=args.background_color,
+            indent_guides=args.indent_guides,
+            padding=args.padding,
+            highlight_lines={args.highlight_line},
+        )
+    console.print(syntax, soft_wrap=args.soft_wrap)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/table.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/table.py
new file mode 100644
index 00000000..17409f2e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/table.py
@@ -0,0 +1,1002 @@
+from dataclasses import dataclass, field, replace
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+)
+
+from . import box, errors
+from ._loop import loop_first_last, loop_last
+from ._pick import pick_bool
+from ._ratio import ratio_distribute, ratio_reduce
+from .align import VerticalAlignMethod
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .padding import Padding, PaddingDimensions
+from .protocol import is_renderable
+from .segment import Segment
+from .style import Style, StyleType
+from .text import Text, TextType
+
+if TYPE_CHECKING:
+    from .console import (
+        Console,
+        ConsoleOptions,
+        JustifyMethod,
+        OverflowMethod,
+        RenderableType,
+        RenderResult,
+    )
+
+
+@dataclass
+class Column:
+    """Defines a column within a ~Table.
+
+    Args:
+        title (Union[str, Text], optional): The title of the table rendered at the top. Defaults to None.
+        caption (Union[str, Text], optional): The table caption rendered below. Defaults to None.
+        width (int, optional): The width in characters of the table, or ``None`` to automatically fit. Defaults to None.
+        min_width (Optional[int], optional): The minimum width of the table, or ``None`` for no minimum. Defaults to None.
+        box (box.Box, optional): One of the constants in box.py used to draw the edges (see :ref:`appendix_box`), or ``None`` for no box lines. Defaults to box.HEAVY_HEAD.
+        safe_box (Optional[bool], optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
+        padding (PaddingDimensions, optional): Padding for cells (top, right, bottom, left). Defaults to (0, 1).
+        collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to False.
+        pad_edge (bool, optional): Enable padding of edge cells. Defaults to True.
+        expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
+        show_header (bool, optional): Show a header row. Defaults to True.
+        show_footer (bool, optional): Show a footer row. Defaults to False.
+        show_edge (bool, optional): Draw a box around the outside of the table. Defaults to True.
+        show_lines (bool, optional): Draw lines between every row. Defaults to False.
+        leading (bool, optional): Number of blank lines between rows (precludes ``show_lines``). Defaults to 0.
+        style (Union[str, Style], optional): Default style for the table. Defaults to "none".
+        row_styles (List[Union, str], optional): Optional list of row styles, if more than one style is given then the styles will alternate. Defaults to None.
+        header_style (Union[str, Style], optional): Style of the header. Defaults to "table.header".
+        footer_style (Union[str, Style], optional): Style of the footer. Defaults to "table.footer".
+        border_style (Union[str, Style], optional): Style of the border. Defaults to None.
+        title_style (Union[str, Style], optional): Style of the title. Defaults to None.
+        caption_style (Union[str, Style], optional): Style of the caption. Defaults to None.
+        title_justify (str, optional): Justify method for title. Defaults to "center".
+        caption_justify (str, optional): Justify method for caption. Defaults to "center".
+        highlight (bool, optional): Highlight cell contents (if str). Defaults to False.
+    """
+
+    header: "RenderableType" = ""
+    """RenderableType: Renderable for the header (typically a string)"""
+
+    footer: "RenderableType" = ""
+    """RenderableType: Renderable for the footer (typically a string)"""
+
+    header_style: StyleType = ""
+    """StyleType: The style of the header."""
+
+    footer_style: StyleType = ""
+    """StyleType: The style of the footer."""
+
+    style: StyleType = ""
+    """StyleType: The style of the column."""
+
+    justify: "JustifyMethod" = "left"
+    """str: How to justify text within the column ("left", "center", "right", or "full")"""
+
+    vertical: "VerticalAlignMethod" = "top"
+    """str: How to vertically align content ("top", "middle", or "bottom")"""
+
+    overflow: "OverflowMethod" = "ellipsis"
+    """str: Overflow method."""
+
+    width: Optional[int] = None
+    """Optional[int]: Width of the column, or ``None`` (default) to auto calculate width."""
+
+    min_width: Optional[int] = None
+    """Optional[int]: Minimum width of column, or ``None`` for no minimum. Defaults to None."""
+
+    max_width: Optional[int] = None
+    """Optional[int]: Maximum width of column, or ``None`` for no maximum. Defaults to None."""
+
+    ratio: Optional[int] = None
+    """Optional[int]: Ratio to use when calculating column width, or ``None`` (default) to adapt to column contents."""
+
+    no_wrap: bool = False
+    """bool: Prevent wrapping of text within the column. Defaults to ``False``."""
+
+    _index: int = 0
+    """Index of column."""
+
+    _cells: List["RenderableType"] = field(default_factory=list)
+
+    def copy(self) -> "Column":
+        """Return a copy of this Column."""
+        return replace(self, _cells=[])
+
+    @property
+    def cells(self) -> Iterable["RenderableType"]:
+        """Get all cells in the column, not including header."""
+        yield from self._cells
+
+    @property
+    def flexible(self) -> bool:
+        """Check if this column is flexible."""
+        return self.ratio is not None
+
+
+@dataclass
+class Row:
+    """Information regarding a row."""
+
+    style: Optional[StyleType] = None
+    """Style to apply to row."""
+
+    end_section: bool = False
+    """Indicated end of section, which will force a line beneath the row."""
+
+
+class _Cell(NamedTuple):
+    """A single cell in a table."""
+
+    style: StyleType
+    """Style to apply to cell."""
+    renderable: "RenderableType"
+    """Cell renderable."""
+    vertical: VerticalAlignMethod
+    """Cell vertical alignment."""
+
+
+class Table(JupyterMixin):
+    """A console renderable to draw a table.
+
+    Args:
+        *headers (Union[Column, str]): Column headers, either as a string, or :class:`~rich.table.Column` instance.
+        title (Union[str, Text], optional): The title of the table rendered at the top. Defaults to None.
+        caption (Union[str, Text], optional): The table caption rendered below. Defaults to None.
+        width (int, optional): The width in characters of the table, or ``None`` to automatically fit. Defaults to None.
+        min_width (Optional[int], optional): The minimum width of the table, or ``None`` for no minimum. Defaults to None.
+        box (box.Box, optional): One of the constants in box.py used to draw the edges (see :ref:`appendix_box`), or ``None`` for no box lines. Defaults to box.HEAVY_HEAD.
+        safe_box (Optional[bool], optional): Disable box characters that don't display on windows legacy terminal with *raster* fonts. Defaults to True.
+        padding (PaddingDimensions, optional): Padding for cells (top, right, bottom, left). Defaults to (0, 1).
+        collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to False.
+        pad_edge (bool, optional): Enable padding of edge cells. Defaults to True.
+        expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
+        show_header (bool, optional): Show a header row. Defaults to True.
+        show_footer (bool, optional): Show a footer row. Defaults to False.
+        show_edge (bool, optional): Draw a box around the outside of the table. Defaults to True.
+        show_lines (bool, optional): Draw lines between every row. Defaults to False.
+        leading (bool, optional): Number of blank lines between rows (precludes ``show_lines``). Defaults to 0.
+        style (Union[str, Style], optional): Default style for the table. Defaults to "none".
+        row_styles (List[Union, str], optional): Optional list of row styles, if more than one style is given then the styles will alternate. Defaults to None.
+        header_style (Union[str, Style], optional): Style of the header. Defaults to "table.header".
+        footer_style (Union[str, Style], optional): Style of the footer. Defaults to "table.footer".
+        border_style (Union[str, Style], optional): Style of the border. Defaults to None.
+        title_style (Union[str, Style], optional): Style of the title. Defaults to None.
+        caption_style (Union[str, Style], optional): Style of the caption. Defaults to None.
+        title_justify (str, optional): Justify method for title. Defaults to "center".
+        caption_justify (str, optional): Justify method for caption. Defaults to "center".
+        highlight (bool, optional): Highlight cell contents (if str). Defaults to False.
+    """
+
+    columns: List[Column]
+    rows: List[Row]
+
+    def __init__(
+        self,
+        *headers: Union[Column, str],
+        title: Optional[TextType] = None,
+        caption: Optional[TextType] = None,
+        width: Optional[int] = None,
+        min_width: Optional[int] = None,
+        box: Optional[box.Box] = box.HEAVY_HEAD,
+        safe_box: Optional[bool] = None,
+        padding: PaddingDimensions = (0, 1),
+        collapse_padding: bool = False,
+        pad_edge: bool = True,
+        expand: bool = False,
+        show_header: bool = True,
+        show_footer: bool = False,
+        show_edge: bool = True,
+        show_lines: bool = False,
+        leading: int = 0,
+        style: StyleType = "none",
+        row_styles: Optional[Iterable[StyleType]] = None,
+        header_style: Optional[StyleType] = "table.header",
+        footer_style: Optional[StyleType] = "table.footer",
+        border_style: Optional[StyleType] = None,
+        title_style: Optional[StyleType] = None,
+        caption_style: Optional[StyleType] = None,
+        title_justify: "JustifyMethod" = "center",
+        caption_justify: "JustifyMethod" = "center",
+        highlight: bool = False,
+    ) -> None:
+
+        self.columns: List[Column] = []
+        self.rows: List[Row] = []
+        self.title = title
+        self.caption = caption
+        self.width = width
+        self.min_width = min_width
+        self.box = box
+        self.safe_box = safe_box
+        self._padding = Padding.unpack(padding)
+        self.pad_edge = pad_edge
+        self._expand = expand
+        self.show_header = show_header
+        self.show_footer = show_footer
+        self.show_edge = show_edge
+        self.show_lines = show_lines
+        self.leading = leading
+        self.collapse_padding = collapse_padding
+        self.style = style
+        self.header_style = header_style or ""
+        self.footer_style = footer_style or ""
+        self.border_style = border_style
+        self.title_style = title_style
+        self.caption_style = caption_style
+        self.title_justify: "JustifyMethod" = title_justify
+        self.caption_justify: "JustifyMethod" = caption_justify
+        self.highlight = highlight
+        self.row_styles: Sequence[StyleType] = list(row_styles or [])
+        append_column = self.columns.append
+        for header in headers:
+            if isinstance(header, str):
+                self.add_column(header=header)
+            else:
+                header._index = len(self.columns)
+                append_column(header)
+
+    @classmethod
+    def grid(
+        cls,
+        *headers: Union[Column, str],
+        padding: PaddingDimensions = 0,
+        collapse_padding: bool = True,
+        pad_edge: bool = False,
+        expand: bool = False,
+    ) -> "Table":
+        """Get a table with no lines, headers, or footer.
+
+        Args:
+            *headers (Union[Column, str]): Column headers, either as a string, or :class:`~rich.table.Column` instance.
+            padding (PaddingDimensions, optional): Get padding around cells. Defaults to 0.
+            collapse_padding (bool, optional): Enable collapsing of padding around cells. Defaults to True.
+            pad_edge (bool, optional): Enable padding around edges of table. Defaults to False.
+            expand (bool, optional): Expand the table to fit the available space if ``True``, otherwise the table width will be auto-calculated. Defaults to False.
+
+        Returns:
+            Table: A table instance.
+        """
+        return cls(
+            *headers,
+            box=None,
+            padding=padding,
+            collapse_padding=collapse_padding,
+            show_header=False,
+            show_footer=False,
+            show_edge=False,
+            pad_edge=pad_edge,
+            expand=expand,
+        )
+
+    @property
+    def expand(self) -> bool:
+        """Setting a non-None self.width implies expand."""
+        return self._expand or self.width is not None
+
+    @expand.setter
+    def expand(self, expand: bool) -> None:
+        """Set expand."""
+        self._expand = expand
+
+    @property
+    def _extra_width(self) -> int:
+        """Get extra width to add to cell content."""
+        width = 0
+        if self.box and self.show_edge:
+            width += 2
+        if self.box:
+            width += len(self.columns) - 1
+        return width
+
+    @property
+    def row_count(self) -> int:
+        """Get the current number of rows."""
+        return len(self.rows)
+
+    def get_row_style(self, console: "Console", index: int) -> StyleType:
+        """Get the current row style."""
+        style = Style.null()
+        if self.row_styles:
+            style += console.get_style(self.row_styles[index % len(self.row_styles)])
+        row_style = self.rows[index].style
+        if row_style is not None:
+            style += console.get_style(row_style)
+        return style
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        max_width = options.max_width
+        if self.width is not None:
+            max_width = self.width
+        if max_width < 0:
+            return Measurement(0, 0)
+
+        extra_width = self._extra_width
+        max_width = sum(
+            self._calculate_column_widths(
+                console, options.update_width(max_width - extra_width)
+            )
+        )
+        _measure_column = self._measure_column
+
+        measurements = [
+            _measure_column(console, options.update_width(max_width), column)
+            for column in self.columns
+        ]
+        minimum_width = (
+            sum(measurement.minimum for measurement in measurements) + extra_width
+        )
+        maximum_width = (
+            sum(measurement.maximum for measurement in measurements) + extra_width
+            if (self.width is None)
+            else self.width
+        )
+        measurement = Measurement(minimum_width, maximum_width)
+        measurement = measurement.clamp(self.min_width)
+        return measurement
+
+    @property
+    def padding(self) -> Tuple[int, int, int, int]:
+        """Get cell padding."""
+        return self._padding
+
+    @padding.setter
+    def padding(self, padding: PaddingDimensions) -> "Table":
+        """Set cell padding."""
+        self._padding = Padding.unpack(padding)
+        return self
+
+    def add_column(
+        self,
+        header: "RenderableType" = "",
+        footer: "RenderableType" = "",
+        *,
+        header_style: Optional[StyleType] = None,
+        footer_style: Optional[StyleType] = None,
+        style: Optional[StyleType] = None,
+        justify: "JustifyMethod" = "left",
+        vertical: "VerticalAlignMethod" = "top",
+        overflow: "OverflowMethod" = "ellipsis",
+        width: Optional[int] = None,
+        min_width: Optional[int] = None,
+        max_width: Optional[int] = None,
+        ratio: Optional[int] = None,
+        no_wrap: bool = False,
+    ) -> None:
+        """Add a column to the table.
+
+        Args:
+            header (RenderableType, optional): Text or renderable for the header.
+                Defaults to "".
+            footer (RenderableType, optional): Text or renderable for the footer.
+                Defaults to "".
+            header_style (Union[str, Style], optional): Style for the header, or None for default. Defaults to None.
+            footer_style (Union[str, Style], optional): Style for the footer, or None for default. Defaults to None.
+            style (Union[str, Style], optional): Style for the column cells, or None for default. Defaults to None.
+            justify (JustifyMethod, optional): Alignment for cells. Defaults to "left".
+            vertical (VerticalAlignMethod, optional): Vertical alignment, one of "top", "middle", or "bottom". Defaults to "top".
+            overflow (OverflowMethod): Overflow method: "crop", "fold", "ellipsis". Defaults to "ellipsis".
+            width (int, optional): Desired width of column in characters, or None to fit to contents. Defaults to None.
+            min_width (Optional[int], optional): Minimum width of column, or ``None`` for no minimum. Defaults to None.
+            max_width (Optional[int], optional): Maximum width of column, or ``None`` for no maximum. Defaults to None.
+            ratio (int, optional): Flexible ratio for the column (requires ``Table.expand`` or ``Table.width``). Defaults to None.
+            no_wrap (bool, optional): Set to ``True`` to disable wrapping of this column.
+        """
+
+        column = Column(
+            _index=len(self.columns),
+            header=header,
+            footer=footer,
+            header_style=header_style or "",
+            footer_style=footer_style or "",
+            style=style or "",
+            justify=justify,
+            vertical=vertical,
+            overflow=overflow,
+            width=width,
+            min_width=min_width,
+            max_width=max_width,
+            ratio=ratio,
+            no_wrap=no_wrap,
+        )
+        self.columns.append(column)
+
+    def add_row(
+        self,
+        *renderables: Optional["RenderableType"],
+        style: Optional[StyleType] = None,
+        end_section: bool = False,
+    ) -> None:
+        """Add a row of renderables.
+
+        Args:
+            *renderables (None or renderable): Each cell in a row must be a renderable object (including str),
+                or ``None`` for a blank cell.
+            style (StyleType, optional): An optional style to apply to the entire row. Defaults to None.
+            end_section (bool, optional): End a section and draw a line. Defaults to False.
+
+        Raises:
+            errors.NotRenderableError: If you add something that can't be rendered.
+        """
+
+        def add_cell(column: Column, renderable: "RenderableType") -> None:
+            column._cells.append(renderable)
+
+        cell_renderables: List[Optional["RenderableType"]] = list(renderables)
+
+        columns = self.columns
+        if len(cell_renderables) < len(columns):
+            cell_renderables = [
+                *cell_renderables,
+                *[None] * (len(columns) - len(cell_renderables)),
+            ]
+        for index, renderable in enumerate(cell_renderables):
+            if index == len(columns):
+                column = Column(_index=index)
+                for _ in self.rows:
+                    add_cell(column, Text(""))
+                self.columns.append(column)
+            else:
+                column = columns[index]
+            if renderable is None:
+                add_cell(column, "")
+            elif is_renderable(renderable):
+                add_cell(column, renderable)
+            else:
+                raise errors.NotRenderableError(
+                    f"unable to render {type(renderable).__name__}; a string or other renderable object is required"
+                )
+        self.rows.append(Row(style=style, end_section=end_section))
+
+    def add_section(self) -> None:
+        """Add a new section (draw a line after current row)."""
+
+        if self.rows:
+            self.rows[-1].end_section = True
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+
+        if not self.columns:
+            yield Segment("\n")
+            return
+
+        max_width = options.max_width
+        if self.width is not None:
+            max_width = self.width
+
+        extra_width = self._extra_width
+        widths = self._calculate_column_widths(
+            console, options.update_width(max_width - extra_width)
+        )
+        table_width = sum(widths) + extra_width
+
+        render_options = options.update(
+            width=table_width, highlight=self.highlight, height=None
+        )
+
+        def render_annotation(
+            text: TextType, style: StyleType, justify: "JustifyMethod" = "center"
+        ) -> "RenderResult":
+            render_text = (
+                console.render_str(text, style=style, highlight=False)
+                if isinstance(text, str)
+                else text
+            )
+            return console.render(
+                render_text, options=render_options.update(justify=justify)
+            )
+
+        if self.title:
+            yield from render_annotation(
+                self.title,
+                style=Style.pick_first(self.title_style, "table.title"),
+                justify=self.title_justify,
+            )
+        yield from self._render(console, render_options, widths)
+        if self.caption:
+            yield from render_annotation(
+                self.caption,
+                style=Style.pick_first(self.caption_style, "table.caption"),
+                justify=self.caption_justify,
+            )
+
+    def _calculate_column_widths(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> List[int]:
+        """Calculate the widths of each column, including padding, not including borders."""
+        max_width = options.max_width
+        columns = self.columns
+        width_ranges = [
+            self._measure_column(console, options, column) for column in columns
+        ]
+        widths = [_range.maximum or 1 for _range in width_ranges]
+        get_padding_width = self._get_padding_width
+        extra_width = self._extra_width
+        if self.expand:
+            ratios = [col.ratio or 0 for col in columns if col.flexible]
+            if any(ratios):
+                fixed_widths = [
+                    0 if column.flexible else _range.maximum
+                    for _range, column in zip(width_ranges, columns)
+                ]
+                flex_minimum = [
+                    (column.width or 1) + get_padding_width(column._index)
+                    for column in columns
+                    if column.flexible
+                ]
+                flexible_width = max_width - sum(fixed_widths)
+                flex_widths = ratio_distribute(flexible_width, ratios, flex_minimum)
+                iter_flex_widths = iter(flex_widths)
+                for index, column in enumerate(columns):
+                    if column.flexible:
+                        widths[index] = fixed_widths[index] + next(iter_flex_widths)
+        table_width = sum(widths)
+
+        if table_width > max_width:
+            widths = self._collapse_widths(
+                widths,
+                [(column.width is None and not column.no_wrap) for column in columns],
+                max_width,
+            )
+            table_width = sum(widths)
+            # last resort, reduce columns evenly
+            if table_width > max_width:
+                excess_width = table_width - max_width
+                widths = ratio_reduce(excess_width, [1] * len(widths), widths, widths)
+                table_width = sum(widths)
+
+            width_ranges = [
+                self._measure_column(console, options.update_width(width), column)
+                for width, column in zip(widths, columns)
+            ]
+            widths = [_range.maximum or 0 for _range in width_ranges]
+
+        if (table_width < max_width and self.expand) or (
+            self.min_width is not None and table_width < (self.min_width - extra_width)
+        ):
+            _max_width = (
+                max_width
+                if self.min_width is None
+                else min(self.min_width - extra_width, max_width)
+            )
+            pad_widths = ratio_distribute(_max_width - table_width, widths)
+            widths = [_width + pad for _width, pad in zip(widths, pad_widths)]
+
+        return widths
+
+    @classmethod
+    def _collapse_widths(
+        cls, widths: List[int], wrapable: List[bool], max_width: int
+    ) -> List[int]:
+        """Reduce widths so that the total is under max_width.
+
+        Args:
+            widths (List[int]): List of widths.
+            wrapable (List[bool]): List of booleans that indicate if a column may shrink.
+            max_width (int): Maximum width to reduce to.
+
+        Returns:
+            List[int]: A new list of widths.
+        """
+        total_width = sum(widths)
+        excess_width = total_width - max_width
+        if any(wrapable):
+            while total_width and excess_width > 0:
+                max_column = max(
+                    width for width, allow_wrap in zip(widths, wrapable) if allow_wrap
+                )
+                second_max_column = max(
+                    width if allow_wrap and width != max_column else 0
+                    for width, allow_wrap in zip(widths, wrapable)
+                )
+                column_difference = max_column - second_max_column
+                ratios = [
+                    (1 if (width == max_column and allow_wrap) else 0)
+                    for width, allow_wrap in zip(widths, wrapable)
+                ]
+                if not any(ratios) or not column_difference:
+                    break
+                max_reduce = [min(excess_width, column_difference)] * len(widths)
+                widths = ratio_reduce(excess_width, ratios, max_reduce, widths)
+
+                total_width = sum(widths)
+                excess_width = total_width - max_width
+        return widths
+
+    def _get_cells(
+        self, console: "Console", column_index: int, column: Column
+    ) -> Iterable[_Cell]:
+        """Get all the cells with padding and optional header."""
+
+        collapse_padding = self.collapse_padding
+        pad_edge = self.pad_edge
+        padding = self.padding
+        any_padding = any(padding)
+
+        first_column = column_index == 0
+        last_column = column_index == len(self.columns) - 1
+
+        _padding_cache: Dict[Tuple[bool, bool], Tuple[int, int, int, int]] = {}
+
+        def get_padding(first_row: bool, last_row: bool) -> Tuple[int, int, int, int]:
+            cached = _padding_cache.get((first_row, last_row))
+            if cached:
+                return cached
+            top, right, bottom, left = padding
+
+            if collapse_padding:
+                if not first_column:
+                    left = max(0, left - right)
+                if not last_row:
+                    bottom = max(0, top - bottom)
+
+            if not pad_edge:
+                if first_column:
+                    left = 0
+                if last_column:
+                    right = 0
+                if first_row:
+                    top = 0
+                if last_row:
+                    bottom = 0
+            _padding = (top, right, bottom, left)
+            _padding_cache[(first_row, last_row)] = _padding
+            return _padding
+
+        raw_cells: List[Tuple[StyleType, "RenderableType"]] = []
+        _append = raw_cells.append
+        get_style = console.get_style
+        if self.show_header:
+            header_style = get_style(self.header_style or "") + get_style(
+                column.header_style
+            )
+            _append((header_style, column.header))
+        cell_style = get_style(column.style or "")
+        for cell in column.cells:
+            _append((cell_style, cell))
+        if self.show_footer:
+            footer_style = get_style(self.footer_style or "") + get_style(
+                column.footer_style
+            )
+            _append((footer_style, column.footer))
+
+        if any_padding:
+            _Padding = Padding
+            for first, last, (style, renderable) in loop_first_last(raw_cells):
+                yield _Cell(
+                    style,
+                    _Padding(renderable, get_padding(first, last)),
+                    getattr(renderable, "vertical", None) or column.vertical,
+                )
+        else:
+            for (style, renderable) in raw_cells:
+                yield _Cell(
+                    style,
+                    renderable,
+                    getattr(renderable, "vertical", None) or column.vertical,
+                )
+
+    def _get_padding_width(self, column_index: int) -> int:
+        """Get extra width from padding."""
+        _, pad_right, _, pad_left = self.padding
+        if self.collapse_padding:
+            if column_index > 0:
+                pad_left = max(0, pad_left - pad_right)
+        return pad_left + pad_right
+
+    def _measure_column(
+        self,
+        console: "Console",
+        options: "ConsoleOptions",
+        column: Column,
+    ) -> Measurement:
+        """Get the minimum and maximum width of the column."""
+
+        max_width = options.max_width
+        if max_width < 1:
+            return Measurement(0, 0)
+
+        padding_width = self._get_padding_width(column._index)
+
+        if column.width is not None:
+            # Fixed width column
+            return Measurement(
+                column.width + padding_width, column.width + padding_width
+            ).with_maximum(max_width)
+        # Flexible column, we need to measure contents
+        min_widths: List[int] = []
+        max_widths: List[int] = []
+        append_min = min_widths.append
+        append_max = max_widths.append
+        get_render_width = Measurement.get
+        for cell in self._get_cells(console, column._index, column):
+            _min, _max = get_render_width(console, options, cell.renderable)
+            append_min(_min)
+            append_max(_max)
+
+        measurement = Measurement(
+            max(min_widths) if min_widths else 1,
+            max(max_widths) if max_widths else max_width,
+        ).with_maximum(max_width)
+        measurement = measurement.clamp(
+            None if column.min_width is None else column.min_width + padding_width,
+            None if column.max_width is None else column.max_width + padding_width,
+        )
+        return measurement
+
+    def _render(
+        self, console: "Console", options: "ConsoleOptions", widths: List[int]
+    ) -> "RenderResult":
+        table_style = console.get_style(self.style or "")
+
+        border_style = table_style + console.get_style(self.border_style or "")
+        _column_cells = (
+            self._get_cells(console, column_index, column)
+            for column_index, column in enumerate(self.columns)
+        )
+        row_cells: List[Tuple[_Cell, ...]] = list(zip(*_column_cells))
+        _box = (
+            self.box.substitute(
+                options, safe=pick_bool(self.safe_box, console.safe_box)
+            )
+            if self.box
+            else None
+        )
+        _box = _box.get_plain_headed_box() if _box and not self.show_header else _box
+
+        new_line = Segment.line()
+
+        columns = self.columns
+        show_header = self.show_header
+        show_footer = self.show_footer
+        show_edge = self.show_edge
+        show_lines = self.show_lines
+        leading = self.leading
+
+        _Segment = Segment
+        if _box:
+            box_segments = [
+                (
+                    _Segment(_box.head_left, border_style),
+                    _Segment(_box.head_right, border_style),
+                    _Segment(_box.head_vertical, border_style),
+                ),
+                (
+                    _Segment(_box.foot_left, border_style),
+                    _Segment(_box.foot_right, border_style),
+                    _Segment(_box.foot_vertical, border_style),
+                ),
+                (
+                    _Segment(_box.mid_left, border_style),
+                    _Segment(_box.mid_right, border_style),
+                    _Segment(_box.mid_vertical, border_style),
+                ),
+            ]
+            if show_edge:
+                yield _Segment(_box.get_top(widths), border_style)
+                yield new_line
+        else:
+            box_segments = []
+
+        get_row_style = self.get_row_style
+        get_style = console.get_style
+
+        for index, (first, last, row_cell) in enumerate(loop_first_last(row_cells)):
+            header_row = first and show_header
+            footer_row = last and show_footer
+            row = (
+                self.rows[index - show_header]
+                if (not header_row and not footer_row)
+                else None
+            )
+            max_height = 1
+            cells: List[List[List[Segment]]] = []
+            if header_row or footer_row:
+                row_style = Style.null()
+            else:
+                row_style = get_style(
+                    get_row_style(console, index - 1 if show_header else index)
+                )
+            for width, cell, column in zip(widths, row_cell, columns):
+                render_options = options.update(
+                    width=width,
+                    justify=column.justify,
+                    no_wrap=column.no_wrap,
+                    overflow=column.overflow,
+                    height=None,
+                )
+                lines = console.render_lines(
+                    cell.renderable,
+                    render_options,
+                    style=get_style(cell.style) + row_style,
+                )
+                max_height = max(max_height, len(lines))
+                cells.append(lines)
+
+            row_height = max(len(cell) for cell in cells)
+
+            def align_cell(
+                cell: List[List[Segment]],
+                vertical: "VerticalAlignMethod",
+                width: int,
+                style: Style,
+            ) -> List[List[Segment]]:
+                if header_row:
+                    vertical = "bottom"
+                elif footer_row:
+                    vertical = "top"
+
+                if vertical == "top":
+                    return _Segment.align_top(cell, width, row_height, style)
+                elif vertical == "middle":
+                    return _Segment.align_middle(cell, width, row_height, style)
+                return _Segment.align_bottom(cell, width, row_height, style)
+
+            cells[:] = [
+                _Segment.set_shape(
+                    align_cell(
+                        cell,
+                        _cell.vertical,
+                        width,
+                        get_style(_cell.style) + row_style,
+                    ),
+                    width,
+                    max_height,
+                )
+                for width, _cell, cell, column in zip(widths, row_cell, cells, columns)
+            ]
+
+            if _box:
+                if last and show_footer:
+                    yield _Segment(
+                        _box.get_row(widths, "foot", edge=show_edge), border_style
+                    )
+                    yield new_line
+                left, right, _divider = box_segments[0 if first else (2 if last else 1)]
+
+                # If the column divider is whitespace also style it with the row background
+                divider = (
+                    _divider
+                    if _divider.text.strip()
+                    else _Segment(
+                        _divider.text, row_style.background_style + _divider.style
+                    )
+                )
+                for line_no in range(max_height):
+                    if show_edge:
+                        yield left
+                    for last_cell, rendered_cell in loop_last(cells):
+                        yield from rendered_cell[line_no]
+                        if not last_cell:
+                            yield divider
+                    if show_edge:
+                        yield right
+                    yield new_line
+            else:
+                for line_no in range(max_height):
+                    for rendered_cell in cells:
+                        yield from rendered_cell[line_no]
+                    yield new_line
+            if _box and first and show_header:
+                yield _Segment(
+                    _box.get_row(widths, "head", edge=show_edge), border_style
+                )
+                yield new_line
+            end_section = row and row.end_section
+            if _box and (show_lines or leading or end_section):
+                if (
+                    not last
+                    and not (show_footer and index >= len(row_cells) - 2)
+                    and not (show_header and header_row)
+                ):
+                    if leading:
+                        yield _Segment(
+                            _box.get_row(widths, "mid", edge=show_edge) * leading,
+                            border_style,
+                        )
+                    else:
+                        yield _Segment(
+                            _box.get_row(widths, "row", edge=show_edge), border_style
+                        )
+                    yield new_line
+
+        if _box and show_edge:
+            yield _Segment(_box.get_bottom(widths), border_style)
+            yield new_line
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+    from pip._vendor.rich.highlighter import ReprHighlighter
+    from pip._vendor.rich.table import Table as Table
+
+    from ._timer import timer
+
+    with timer("Table render"):
+        table = Table(
+            title="Star Wars Movies",
+            caption="Rich example table",
+            caption_justify="right",
+        )
+
+        table.add_column(
+            "Released", header_style="bright_cyan", style="cyan", no_wrap=True
+        )
+        table.add_column("Title", style="magenta")
+        table.add_column("Box Office", justify="right", style="green")
+
+        table.add_row(
+            "Dec 20, 2019",
+            "Star Wars: The Rise of Skywalker",
+            "$952,110,690",
+        )
+        table.add_row("May 25, 2018", "Solo: A Star Wars Story", "$393,151,347")
+        table.add_row(
+            "Dec 15, 2017",
+            "Star Wars Ep. V111: The Last Jedi",
+            "$1,332,539,889",
+            style="on black",
+            end_section=True,
+        )
+        table.add_row(
+            "Dec 16, 2016",
+            "Rogue One: A Star Wars Story",
+            "$1,332,439,889",
+        )
+
+        def header(text: str) -> None:
+            console.print()
+            console.rule(highlight(text))
+            console.print()
+
+        console = Console()
+        highlight = ReprHighlighter()
+        header("Example Table")
+        console.print(table, justify="center")
+
+        table.expand = True
+        header("expand=True")
+        console.print(table)
+
+        table.width = 50
+        header("width=50")
+
+        console.print(table, justify="center")
+
+        table.width = None
+        table.expand = False
+        table.row_styles = ["dim", "none"]
+        header("row_styles=['dim', 'none']")
+
+        console.print(table, justify="center")
+
+        table.width = None
+        table.expand = False
+        table.row_styles = ["dim", "none"]
+        table.leading = 1
+        header("leading=1, row_styles=['dim', 'none']")
+        console.print(table, justify="center")
+
+        table.width = None
+        table.expand = False
+        table.row_styles = ["dim", "none"]
+        table.show_lines = True
+        table.leading = 0
+        header("show_lines=True, row_styles=['dim', 'none']")
+        console.print(table, justify="center")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/terminal_theme.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/terminal_theme.py
new file mode 100644
index 00000000..565e9d96
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/terminal_theme.py
@@ -0,0 +1,153 @@
+from typing import List, Optional, Tuple
+
+from .color_triplet import ColorTriplet
+from .palette import Palette
+
+_ColorTuple = Tuple[int, int, int]
+
+
+class TerminalTheme:
+    """A color theme used when exporting console content.
+
+    Args:
+        background (Tuple[int, int, int]): The background color.
+        foreground (Tuple[int, int, int]): The foreground (text) color.
+        normal (List[Tuple[int, int, int]]): A list of 8 normal intensity colors.
+        bright (List[Tuple[int, int, int]], optional): A list of 8 bright colors, or None
+            to repeat normal intensity. Defaults to None.
+    """
+
+    def __init__(
+        self,
+        background: _ColorTuple,
+        foreground: _ColorTuple,
+        normal: List[_ColorTuple],
+        bright: Optional[List[_ColorTuple]] = None,
+    ) -> None:
+        self.background_color = ColorTriplet(*background)
+        self.foreground_color = ColorTriplet(*foreground)
+        self.ansi_colors = Palette(normal + (bright or normal))
+
+
+DEFAULT_TERMINAL_THEME = TerminalTheme(
+    (255, 255, 255),
+    (0, 0, 0),
+    [
+        (0, 0, 0),
+        (128, 0, 0),
+        (0, 128, 0),
+        (128, 128, 0),
+        (0, 0, 128),
+        (128, 0, 128),
+        (0, 128, 128),
+        (192, 192, 192),
+    ],
+    [
+        (128, 128, 128),
+        (255, 0, 0),
+        (0, 255, 0),
+        (255, 255, 0),
+        (0, 0, 255),
+        (255, 0, 255),
+        (0, 255, 255),
+        (255, 255, 255),
+    ],
+)
+
+MONOKAI = TerminalTheme(
+    (12, 12, 12),
+    (217, 217, 217),
+    [
+        (26, 26, 26),
+        (244, 0, 95),
+        (152, 224, 36),
+        (253, 151, 31),
+        (157, 101, 255),
+        (244, 0, 95),
+        (88, 209, 235),
+        (196, 197, 181),
+        (98, 94, 76),
+    ],
+    [
+        (244, 0, 95),
+        (152, 224, 36),
+        (224, 213, 97),
+        (157, 101, 255),
+        (244, 0, 95),
+        (88, 209, 235),
+        (246, 246, 239),
+    ],
+)
+DIMMED_MONOKAI = TerminalTheme(
+    (25, 25, 25),
+    (185, 188, 186),
+    [
+        (58, 61, 67),
+        (190, 63, 72),
+        (135, 154, 59),
+        (197, 166, 53),
+        (79, 118, 161),
+        (133, 92, 141),
+        (87, 143, 164),
+        (185, 188, 186),
+        (136, 137, 135),
+    ],
+    [
+        (251, 0, 31),
+        (15, 114, 47),
+        (196, 112, 51),
+        (24, 109, 227),
+        (251, 0, 103),
+        (46, 112, 109),
+        (253, 255, 185),
+    ],
+)
+NIGHT_OWLISH = TerminalTheme(
+    (255, 255, 255),
+    (64, 63, 83),
+    [
+        (1, 22, 39),
+        (211, 66, 62),
+        (42, 162, 152),
+        (218, 170, 1),
+        (72, 118, 214),
+        (64, 63, 83),
+        (8, 145, 106),
+        (122, 129, 129),
+        (122, 129, 129),
+    ],
+    [
+        (247, 110, 110),
+        (73, 208, 197),
+        (218, 194, 107),
+        (92, 167, 228),
+        (105, 112, 152),
+        (0, 201, 144),
+        (152, 159, 177),
+    ],
+)
+
+SVG_EXPORT_THEME = TerminalTheme(
+    (41, 41, 41),
+    (197, 200, 198),
+    [
+        (75, 78, 85),
+        (204, 85, 90),
+        (152, 168, 75),
+        (208, 179, 68),
+        (96, 138, 177),
+        (152, 114, 159),
+        (104, 160, 179),
+        (197, 200, 198),
+        (154, 155, 153),
+    ],
+    [
+        (255, 38, 39),
+        (0, 130, 61),
+        (208, 132, 66),
+        (25, 132, 233),
+        (255, 44, 122),
+        (57, 130, 128),
+        (253, 253, 197),
+    ],
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/text.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/text.py
new file mode 100644
index 00000000..998cb87d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/text.py
@@ -0,0 +1,1307 @@
+import re
+from functools import partial, reduce
+from math import gcd
+from operator import itemgetter
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    NamedTuple,
+    Optional,
+    Tuple,
+    Union,
+)
+
+from ._loop import loop_last
+from ._pick import pick_bool
+from ._wrap import divide_line
+from .align import AlignMethod
+from .cells import cell_len, set_cell_size
+from .containers import Lines
+from .control import strip_control_codes
+from .emoji import EmojiVariant
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style, StyleType
+
+if TYPE_CHECKING:  # pragma: no cover
+    from .console import Console, ConsoleOptions, JustifyMethod, OverflowMethod
+
+DEFAULT_JUSTIFY: "JustifyMethod" = "default"
+DEFAULT_OVERFLOW: "OverflowMethod" = "fold"
+
+
+_re_whitespace = re.compile(r"\s+$")
+
+TextType = Union[str, "Text"]
+
+GetStyleCallable = Callable[[str], Optional[StyleType]]
+
+
+class Span(NamedTuple):
+    """A marked up region in some text."""
+
+    start: int
+    """Span start index."""
+    end: int
+    """Span end index."""
+    style: Union[str, Style]
+    """Style associated with the span."""
+
+    def __repr__(self) -> str:
+        return f"Span({self.start}, {self.end}, {self.style!r})"
+
+    def __bool__(self) -> bool:
+        return self.end > self.start
+
+    def split(self, offset: int) -> Tuple["Span", Optional["Span"]]:
+        """Split a span in to 2 from a given offset."""
+
+        if offset < self.start:
+            return self, None
+        if offset >= self.end:
+            return self, None
+
+        start, end, style = self
+        span1 = Span(start, min(end, offset), style)
+        span2 = Span(span1.end, end, style)
+        return span1, span2
+
+    def move(self, offset: int) -> "Span":
+        """Move start and end by a given offset.
+
+        Args:
+            offset (int): Number of characters to add to start and end.
+
+        Returns:
+            TextSpan: A new TextSpan with adjusted position.
+        """
+        start, end, style = self
+        return Span(start + offset, end + offset, style)
+
+    def right_crop(self, offset: int) -> "Span":
+        """Crop the span at the given offset.
+
+        Args:
+            offset (int): A value between start and end.
+
+        Returns:
+            Span: A new (possibly smaller) span.
+        """
+        start, end, style = self
+        if offset >= end:
+            return self
+        return Span(start, min(offset, end), style)
+
+
+class Text(JupyterMixin):
+    """Text with color / style.
+
+    Args:
+        text (str, optional): Default unstyled text. Defaults to "".
+        style (Union[str, Style], optional): Base style for text. Defaults to "".
+        justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+        overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+        no_wrap (bool, optional): Disable text wrapping, or None for default. Defaults to None.
+        end (str, optional): Character to end text with. Defaults to "\\\\n".
+        tab_size (int): Number of spaces per tab, or ``None`` to use ``console.tab_size``. Defaults to 8.
+        spans (List[Span], optional). A list of predefined style spans. Defaults to None.
+    """
+
+    __slots__ = [
+        "_text",
+        "style",
+        "justify",
+        "overflow",
+        "no_wrap",
+        "end",
+        "tab_size",
+        "_spans",
+        "_length",
+    ]
+
+    def __init__(
+        self,
+        text: str = "",
+        style: Union[str, Style] = "",
+        *,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = None,
+        end: str = "\n",
+        tab_size: Optional[int] = 8,
+        spans: Optional[List[Span]] = None,
+    ) -> None:
+        sanitized_text = strip_control_codes(text)
+        self._text = [sanitized_text]
+        self.style = style
+        self.justify: Optional["JustifyMethod"] = justify
+        self.overflow: Optional["OverflowMethod"] = overflow
+        self.no_wrap = no_wrap
+        self.end = end
+        self.tab_size = tab_size
+        self._spans: List[Span] = spans or []
+        self._length: int = len(sanitized_text)
+
+    def __len__(self) -> int:
+        return self._length
+
+    def __bool__(self) -> bool:
+        return bool(self._length)
+
+    def __str__(self) -> str:
+        return self.plain
+
+    def __repr__(self) -> str:
+        return f"<text {self.plain!r} {self._spans!r}>"
+
+    def __add__(self, other: Any) -> "Text":
+        if isinstance(other, (str, Text)):
+            result = self.copy()
+            result.append(other)
+            return result
+        return NotImplemented
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, Text):
+            return NotImplemented
+        return self.plain == other.plain and self._spans == other._spans
+
+    def __contains__(self, other: object) -> bool:
+        if isinstance(other, str):
+            return other in self.plain
+        elif isinstance(other, Text):
+            return other.plain in self.plain
+        return False
+
+    def __getitem__(self, slice: Union[int, slice]) -> "Text":
+        def get_text_at(offset: int) -> "Text":
+            _Span = Span
+            text = Text(
+                self.plain[offset],
+                spans=[
+                    _Span(0, 1, style)
+                    for start, end, style in self._spans
+                    if end > offset >= start
+                ],
+                end="",
+            )
+            return text
+
+        if isinstance(slice, int):
+            return get_text_at(slice)
+        else:
+            start, stop, step = slice.indices(len(self.plain))
+            if step == 1:
+                lines = self.divide([start, stop])
+                return lines[1]
+            else:
+                # This would be a bit of work to implement efficiently
+                # For now, its not required
+                raise TypeError("slices with step!=1 are not supported")
+
+    @property
+    def cell_len(self) -> int:
+        """Get the number of cells required to render this text."""
+        return cell_len(self.plain)
+
+    @property
+    def markup(self) -> str:
+        """Get console markup to render this Text.
+
+        Returns:
+            str: A string potentially creating markup tags.
+        """
+        from .markup import escape
+
+        output: List[str] = []
+
+        plain = self.plain
+        markup_spans = [
+            (0, False, self.style),
+            *((span.start, False, span.style) for span in self._spans),
+            *((span.end, True, span.style) for span in self._spans),
+            (len(plain), True, self.style),
+        ]
+        markup_spans.sort(key=itemgetter(0, 1))
+        position = 0
+        append = output.append
+        for offset, closing, style in markup_spans:
+            if offset > position:
+                append(escape(plain[position:offset]))
+                position = offset
+            if style:
+                append(f"[/{style}]" if closing else f"[{style}]")
+        markup = "".join(output)
+        return markup
+
+    @classmethod
+    def from_markup(
+        cls,
+        text: str,
+        *,
+        style: Union[str, Style] = "",
+        emoji: bool = True,
+        emoji_variant: Optional[EmojiVariant] = None,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        end: str = "\n",
+    ) -> "Text":
+        """Create Text instance from markup.
+
+        Args:
+            text (str): A string containing console markup.
+            emoji (bool, optional): Also render emoji code. Defaults to True.
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+            end (str, optional): Character to end text with. Defaults to "\\\\n".
+
+        Returns:
+            Text: A Text instance with markup rendered.
+        """
+        from .markup import render
+
+        rendered_text = render(text, style, emoji=emoji, emoji_variant=emoji_variant)
+        rendered_text.justify = justify
+        rendered_text.overflow = overflow
+        rendered_text.end = end
+        return rendered_text
+
+    @classmethod
+    def from_ansi(
+        cls,
+        text: str,
+        *,
+        style: Union[str, Style] = "",
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = None,
+        end: str = "\n",
+        tab_size: Optional[int] = 8,
+    ) -> "Text":
+        """Create a Text object from a string containing ANSI escape codes.
+
+        Args:
+            text (str): A string containing escape codes.
+            style (Union[str, Style], optional): Base style for text. Defaults to "".
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+            no_wrap (bool, optional): Disable text wrapping, or None for default. Defaults to None.
+            end (str, optional): Character to end text with. Defaults to "\\\\n".
+            tab_size (int): Number of spaces per tab, or ``None`` to use ``console.tab_size``. Defaults to 8.
+        """
+        from .ansi import AnsiDecoder
+
+        joiner = Text(
+            "\n",
+            justify=justify,
+            overflow=overflow,
+            no_wrap=no_wrap,
+            end=end,
+            tab_size=tab_size,
+            style=style,
+        )
+        decoder = AnsiDecoder()
+        result = joiner.join(line for line in decoder.decode(text))
+        return result
+
+    @classmethod
+    def styled(
+        cls,
+        text: str,
+        style: StyleType = "",
+        *,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+    ) -> "Text":
+        """Construct a Text instance with a pre-applied styled. A style applied in this way won't be used
+        to pad the text when it is justified.
+
+        Args:
+            text (str): A string containing console markup.
+            style (Union[str, Style]): Style to apply to the text. Defaults to "".
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+
+        Returns:
+            Text: A text instance with a style applied to the entire string.
+        """
+        styled_text = cls(text, justify=justify, overflow=overflow)
+        styled_text.stylize(style)
+        return styled_text
+
+    @classmethod
+    def assemble(
+        cls,
+        *parts: Union[str, "Text", Tuple[str, StyleType]],
+        style: Union[str, Style] = "",
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        no_wrap: Optional[bool] = None,
+        end: str = "\n",
+        tab_size: int = 8,
+        meta: Optional[Dict[str, Any]] = None,
+    ) -> "Text":
+        """Construct a text instance by combining a sequence of strings with optional styles.
+        The positional arguments should be either strings, or a tuple of string + style.
+
+        Args:
+            style (Union[str, Style], optional): Base style for text. Defaults to "".
+            justify (str, optional): Justify method: "left", "center", "full", "right". Defaults to None.
+            overflow (str, optional): Overflow method: "crop", "fold", "ellipsis". Defaults to None.
+            end (str, optional): Character to end text with. Defaults to "\\\\n".
+            tab_size (int): Number of spaces per tab, or ``None`` to use ``console.tab_size``. Defaults to 8.
+            meta (Dict[str, Any], optional). Meta data to apply to text, or None for no meta data. Default to None
+
+        Returns:
+            Text: A new text instance.
+        """
+        text = cls(
+            style=style,
+            justify=justify,
+            overflow=overflow,
+            no_wrap=no_wrap,
+            end=end,
+            tab_size=tab_size,
+        )
+        append = text.append
+        _Text = Text
+        for part in parts:
+            if isinstance(part, (_Text, str)):
+                append(part)
+            else:
+                append(*part)
+        if meta:
+            text.apply_meta(meta)
+        return text
+
+    @property
+    def plain(self) -> str:
+        """Get the text as a single string."""
+        if len(self._text) != 1:
+            self._text[:] = ["".join(self._text)]
+        return self._text[0]
+
+    @plain.setter
+    def plain(self, new_text: str) -> None:
+        """Set the text to a new value."""
+        if new_text != self.plain:
+            sanitized_text = strip_control_codes(new_text)
+            self._text[:] = [sanitized_text]
+            old_length = self._length
+            self._length = len(sanitized_text)
+            if old_length > self._length:
+                self._trim_spans()
+
+    @property
+    def spans(self) -> List[Span]:
+        """Get a reference to the internal list of spans."""
+        return self._spans
+
+    @spans.setter
+    def spans(self, spans: List[Span]) -> None:
+        """Set spans."""
+        self._spans = spans[:]
+
+    def blank_copy(self, plain: str = "") -> "Text":
+        """Return a new Text instance with copied meta data (but not the string or spans)."""
+        copy_self = Text(
+            plain,
+            style=self.style,
+            justify=self.justify,
+            overflow=self.overflow,
+            no_wrap=self.no_wrap,
+            end=self.end,
+            tab_size=self.tab_size,
+        )
+        return copy_self
+
+    def copy(self) -> "Text":
+        """Return a copy of this instance."""
+        copy_self = Text(
+            self.plain,
+            style=self.style,
+            justify=self.justify,
+            overflow=self.overflow,
+            no_wrap=self.no_wrap,
+            end=self.end,
+            tab_size=self.tab_size,
+        )
+        copy_self._spans[:] = self._spans
+        return copy_self
+
+    def stylize(
+        self,
+        style: Union[str, Style],
+        start: int = 0,
+        end: Optional[int] = None,
+    ) -> None:
+        """Apply a style to the text, or a portion of the text.
+
+        Args:
+            style (Union[str, Style]): Style instance or style definition to apply.
+            start (int): Start offset (negative indexing is supported). Defaults to 0.
+            end (Optional[int], optional): End offset (negative indexing is supported), or None for end of text. Defaults to None.
+        """
+        if style:
+            length = len(self)
+            if start < 0:
+                start = length + start
+            if end is None:
+                end = length
+            if end < 0:
+                end = length + end
+            if start >= length or end <= start:
+                # Span not in text or not valid
+                return
+            self._spans.append(Span(start, min(length, end), style))
+
+    def stylize_before(
+        self,
+        style: Union[str, Style],
+        start: int = 0,
+        end: Optional[int] = None,
+    ) -> None:
+        """Apply a style to the text, or a portion of the text. Styles will be applied before other styles already present.
+
+        Args:
+            style (Union[str, Style]): Style instance or style definition to apply.
+            start (int): Start offset (negative indexing is supported). Defaults to 0.
+            end (Optional[int], optional): End offset (negative indexing is supported), or None for end of text. Defaults to None.
+        """
+        if style:
+            length = len(self)
+            if start < 0:
+                start = length + start
+            if end is None:
+                end = length
+            if end < 0:
+                end = length + end
+            if start >= length or end <= start:
+                # Span not in text or not valid
+                return
+            self._spans.insert(0, Span(start, min(length, end), style))
+
+    def apply_meta(
+        self, meta: Dict[str, Any], start: int = 0, end: Optional[int] = None
+    ) -> None:
+        """Apply meta data to the text, or a portion of the text.
+
+        Args:
+            meta (Dict[str, Any]): A dict of meta information.
+            start (int): Start offset (negative indexing is supported). Defaults to 0.
+            end (Optional[int], optional): End offset (negative indexing is supported), or None for end of text. Defaults to None.
+
+        """
+        style = Style.from_meta(meta)
+        self.stylize(style, start=start, end=end)
+
+    def on(self, meta: Optional[Dict[str, Any]] = None, **handlers: Any) -> "Text":
+        """Apply event handlers (used by Textual project).
+
+        Example:
+            >>> from rich.text import Text
+            >>> text = Text("hello world")
+            >>> text.on(click="view.toggle('world')")
+
+        Args:
+            meta (Dict[str, Any]): Mapping of meta information.
+            **handlers: Keyword args are prefixed with "@" to defined handlers.
+
+        Returns:
+            Text: Self is returned to method may be chained.
+        """
+        meta = {} if meta is None else meta
+        meta.update({f"@{key}": value for key, value in handlers.items()})
+        self.stylize(Style.from_meta(meta))
+        return self
+
+    def remove_suffix(self, suffix: str) -> None:
+        """Remove a suffix if it exists.
+
+        Args:
+            suffix (str): Suffix to remove.
+        """
+        if self.plain.endswith(suffix):
+            self.right_crop(len(suffix))
+
+    def get_style_at_offset(self, console: "Console", offset: int) -> Style:
+        """Get the style of a character at give offset.
+
+        Args:
+            console (~Console): Console where text will be rendered.
+            offset (int): Offset in to text (negative indexing supported)
+
+        Returns:
+            Style: A Style instance.
+        """
+        # TODO: This is a little inefficient, it is only used by full justify
+        if offset < 0:
+            offset = len(self) + offset
+        get_style = console.get_style
+        style = get_style(self.style).copy()
+        for start, end, span_style in self._spans:
+            if end > offset >= start:
+                style += get_style(span_style, default="")
+        return style
+
+    def highlight_regex(
+        self,
+        re_highlight: str,
+        style: Optional[Union[GetStyleCallable, StyleType]] = None,
+        *,
+        style_prefix: str = "",
+    ) -> int:
+        """Highlight text with a regular expression, where group names are
+        translated to styles.
+
+        Args:
+            re_highlight (str): A regular expression.
+            style (Union[GetStyleCallable, StyleType]): Optional style to apply to whole match, or a callable
+                which accepts the matched text and returns a style. Defaults to None.
+            style_prefix (str, optional): Optional prefix to add to style group names.
+
+        Returns:
+            int: Number of regex matches
+        """
+        count = 0
+        append_span = self._spans.append
+        _Span = Span
+        plain = self.plain
+        for match in re.finditer(re_highlight, plain):
+            get_span = match.span
+            if style:
+                start, end = get_span()
+                match_style = style(plain[start:end]) if callable(style) else style
+                if match_style is not None and end > start:
+                    append_span(_Span(start, end, match_style))
+
+            count += 1
+            for name in match.groupdict().keys():
+                start, end = get_span(name)
+                if start != -1 and end > start:
+                    append_span(_Span(start, end, f"{style_prefix}{name}"))
+        return count
+
+    def highlight_words(
+        self,
+        words: Iterable[str],
+        style: Union[str, Style],
+        *,
+        case_sensitive: bool = True,
+    ) -> int:
+        """Highlight words with a style.
+
+        Args:
+            words (Iterable[str]): Worlds to highlight.
+            style (Union[str, Style]): Style to apply.
+            case_sensitive (bool, optional): Enable case sensitive matchings. Defaults to True.
+
+        Returns:
+            int: Number of words highlighted.
+        """
+        re_words = "|".join(re.escape(word) for word in words)
+        add_span = self._spans.append
+        count = 0
+        _Span = Span
+        for match in re.finditer(
+            re_words, self.plain, flags=0 if case_sensitive else re.IGNORECASE
+        ):
+            start, end = match.span(0)
+            add_span(_Span(start, end, style))
+            count += 1
+        return count
+
+    def rstrip(self) -> None:
+        """Strip whitespace from end of text."""
+        self.plain = self.plain.rstrip()
+
+    def rstrip_end(self, size: int) -> None:
+        """Remove whitespace beyond a certain width at the end of the text.
+
+        Args:
+            size (int): The desired size of the text.
+        """
+        text_length = len(self)
+        if text_length > size:
+            excess = text_length - size
+            whitespace_match = _re_whitespace.search(self.plain)
+            if whitespace_match is not None:
+                whitespace_count = len(whitespace_match.group(0))
+                self.right_crop(min(whitespace_count, excess))
+
+    def set_length(self, new_length: int) -> None:
+        """Set new length of the text, clipping or padding is required."""
+        length = len(self)
+        if length != new_length:
+            if length < new_length:
+                self.pad_right(new_length - length)
+            else:
+                self.right_crop(length - new_length)
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Iterable[Segment]:
+        tab_size: int = console.tab_size or self.tab_size or 8
+        justify = self.justify or options.justify or DEFAULT_JUSTIFY
+
+        overflow = self.overflow or options.overflow or DEFAULT_OVERFLOW
+
+        lines = self.wrap(
+            console,
+            options.max_width,
+            justify=justify,
+            overflow=overflow,
+            tab_size=tab_size or 8,
+            no_wrap=pick_bool(self.no_wrap, options.no_wrap, False),
+        )
+        all_lines = Text("\n").join(lines)
+        yield from all_lines.render(console, end=self.end)
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> Measurement:
+        text = self.plain
+        lines = text.splitlines()
+        max_text_width = max(cell_len(line) for line in lines) if lines else 0
+        words = text.split()
+        min_text_width = (
+            max(cell_len(word) for word in words) if words else max_text_width
+        )
+        return Measurement(min_text_width, max_text_width)
+
+    def render(self, console: "Console", end: str = "") -> Iterable["Segment"]:
+        """Render the text as Segments.
+
+        Args:
+            console (Console): Console instance.
+            end (Optional[str], optional): Optional end character.
+
+        Returns:
+            Iterable[Segment]: Result of render that may be written to the console.
+        """
+        _Segment = Segment
+        text = self.plain
+        if not self._spans:
+            yield Segment(text)
+            if end:
+                yield _Segment(end)
+            return
+        get_style = partial(console.get_style, default=Style.null())
+
+        enumerated_spans = list(enumerate(self._spans, 1))
+        style_map = {index: get_style(span.style) for index, span in enumerated_spans}
+        style_map[0] = get_style(self.style)
+
+        spans = [
+            (0, False, 0),
+            *((span.start, False, index) for index, span in enumerated_spans),
+            *((span.end, True, index) for index, span in enumerated_spans),
+            (len(text), True, 0),
+        ]
+        spans.sort(key=itemgetter(0, 1))
+
+        stack: List[int] = []
+        stack_append = stack.append
+        stack_pop = stack.remove
+
+        style_cache: Dict[Tuple[Style, ...], Style] = {}
+        style_cache_get = style_cache.get
+        combine = Style.combine
+
+        def get_current_style() -> Style:
+            """Construct current style from stack."""
+            styles = tuple(style_map[_style_id] for _style_id in sorted(stack))
+            cached_style = style_cache_get(styles)
+            if cached_style is not None:
+                return cached_style
+            current_style = combine(styles)
+            style_cache[styles] = current_style
+            return current_style
+
+        for (offset, leaving, style_id), (next_offset, _, _) in zip(spans, spans[1:]):
+            if leaving:
+                stack_pop(style_id)
+            else:
+                stack_append(style_id)
+            if next_offset > offset:
+                yield _Segment(text[offset:next_offset], get_current_style())
+        if end:
+            yield _Segment(end)
+
+    def join(self, lines: Iterable["Text"]) -> "Text":
+        """Join text together with this instance as the separator.
+
+        Args:
+            lines (Iterable[Text]): An iterable of Text instances to join.
+
+        Returns:
+            Text: A new text instance containing join text.
+        """
+
+        new_text = self.blank_copy()
+
+        def iter_text() -> Iterable["Text"]:
+            if self.plain:
+                for last, line in loop_last(lines):
+                    yield line
+                    if not last:
+                        yield self
+            else:
+                yield from lines
+
+        extend_text = new_text._text.extend
+        append_span = new_text._spans.append
+        extend_spans = new_text._spans.extend
+        offset = 0
+        _Span = Span
+
+        for text in iter_text():
+            extend_text(text._text)
+            if text.style:
+                append_span(_Span(offset, offset + len(text), text.style))
+            extend_spans(
+                _Span(offset + start, offset + end, style)
+                for start, end, style in text._spans
+            )
+            offset += len(text)
+        new_text._length = offset
+        return new_text
+
+    def expand_tabs(self, tab_size: Optional[int] = None) -> None:
+        """Converts tabs to spaces.
+
+        Args:
+            tab_size (int, optional): Size of tabs. Defaults to 8.
+
+        """
+        if "\t" not in self.plain:
+            return
+        pos = 0
+        if tab_size is None:
+            tab_size = self.tab_size
+        assert tab_size is not None
+        result = self.blank_copy()
+        append = result.append
+
+        _style = self.style
+        for line in self.split("\n", include_separator=True):
+            parts = line.split("\t", include_separator=True)
+            for part in parts:
+                if part.plain.endswith("\t"):
+                    part._text = [part.plain[:-1] + " "]
+                    append(part)
+                    pos += len(part)
+                    spaces = tab_size - ((pos - 1) % tab_size) - 1
+                    if spaces:
+                        append(" " * spaces, _style)
+                        pos += spaces
+                else:
+                    append(part)
+        self._text = [result.plain]
+        self._length = len(self.plain)
+        self._spans[:] = result._spans
+
+    def truncate(
+        self,
+        max_width: int,
+        *,
+        overflow: Optional["OverflowMethod"] = None,
+        pad: bool = False,
+    ) -> None:
+        """Truncate text if it is longer that a given width.
+
+        Args:
+            max_width (int): Maximum number of characters in text.
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to None, to use self.overflow.
+            pad (bool, optional): Pad with spaces if the length is less than max_width. Defaults to False.
+        """
+        _overflow = overflow or self.overflow or DEFAULT_OVERFLOW
+        if _overflow != "ignore":
+            length = cell_len(self.plain)
+            if length > max_width:
+                if _overflow == "ellipsis":
+                    self.plain = set_cell_size(self.plain, max_width - 1) + "…"
+                else:
+                    self.plain = set_cell_size(self.plain, max_width)
+            if pad and length < max_width:
+                spaces = max_width - length
+                self._text = [f"{self.plain}{' ' * spaces}"]
+                self._length = len(self.plain)
+
+    def _trim_spans(self) -> None:
+        """Remove or modify any spans that are over the end of the text."""
+        max_offset = len(self.plain)
+        _Span = Span
+        self._spans[:] = [
+            (
+                span
+                if span.end < max_offset
+                else _Span(span.start, min(max_offset, span.end), span.style)
+            )
+            for span in self._spans
+            if span.start < max_offset
+        ]
+
+    def pad(self, count: int, character: str = " ") -> None:
+        """Pad left and right with a given number of characters.
+
+        Args:
+            count (int): Width of padding.
+        """
+        assert len(character) == 1, "Character must be a string of length 1"
+        if count:
+            pad_characters = character * count
+            self.plain = f"{pad_characters}{self.plain}{pad_characters}"
+            _Span = Span
+            self._spans[:] = [
+                _Span(start + count, end + count, style)
+                for start, end, style in self._spans
+            ]
+
+    def pad_left(self, count: int, character: str = " ") -> None:
+        """Pad the left with a given character.
+
+        Args:
+            count (int): Number of characters to pad.
+            character (str, optional): Character to pad with. Defaults to " ".
+        """
+        assert len(character) == 1, "Character must be a string of length 1"
+        if count:
+            self.plain = f"{character * count}{self.plain}"
+            _Span = Span
+            self._spans[:] = [
+                _Span(start + count, end + count, style)
+                for start, end, style in self._spans
+            ]
+
+    def pad_right(self, count: int, character: str = " ") -> None:
+        """Pad the right with a given character.
+
+        Args:
+            count (int): Number of characters to pad.
+            character (str, optional): Character to pad with. Defaults to " ".
+        """
+        assert len(character) == 1, "Character must be a string of length 1"
+        if count:
+            self.plain = f"{self.plain}{character * count}"
+
+    def align(self, align: AlignMethod, width: int, character: str = " ") -> None:
+        """Align text to a given width.
+
+        Args:
+            align (AlignMethod): One of "left", "center", or "right".
+            width (int): Desired width.
+            character (str, optional): Character to pad with. Defaults to " ".
+        """
+        self.truncate(width)
+        excess_space = width - cell_len(self.plain)
+        if excess_space:
+            if align == "left":
+                self.pad_right(excess_space, character)
+            elif align == "center":
+                left = excess_space // 2
+                self.pad_left(left, character)
+                self.pad_right(excess_space - left, character)
+            else:
+                self.pad_left(excess_space, character)
+
+    def append(
+        self, text: Union["Text", str], style: Optional[Union[str, "Style"]] = None
+    ) -> "Text":
+        """Add text with an optional style.
+
+        Args:
+            text (Union[Text, str]): A str or Text to append.
+            style (str, optional): A style name. Defaults to None.
+
+        Returns:
+            Text: Returns self for chaining.
+        """
+
+        if not isinstance(text, (str, Text)):
+            raise TypeError("Only str or Text can be appended to Text")
+
+        if len(text):
+            if isinstance(text, str):
+                sanitized_text = strip_control_codes(text)
+                self._text.append(sanitized_text)
+                offset = len(self)
+                text_length = len(sanitized_text)
+                if style is not None:
+                    self._spans.append(Span(offset, offset + text_length, style))
+                self._length += text_length
+            elif isinstance(text, Text):
+                _Span = Span
+                if style is not None:
+                    raise ValueError(
+                        "style must not be set when appending Text instance"
+                    )
+                text_length = self._length
+                if text.style is not None:
+                    self._spans.append(
+                        _Span(text_length, text_length + len(text), text.style)
+                    )
+                self._text.append(text.plain)
+                self._spans.extend(
+                    _Span(start + text_length, end + text_length, style)
+                    for start, end, style in text._spans
+                )
+                self._length += len(text)
+        return self
+
+    def append_text(self, text: "Text") -> "Text":
+        """Append another Text instance. This method is more performant that Text.append, but
+        only works for Text.
+
+        Returns:
+            Text: Returns self for chaining.
+        """
+        _Span = Span
+        text_length = self._length
+        if text.style is not None:
+            self._spans.append(_Span(text_length, text_length + len(text), text.style))
+        self._text.append(text.plain)
+        self._spans.extend(
+            _Span(start + text_length, end + text_length, style)
+            for start, end, style in text._spans
+        )
+        self._length += len(text)
+        return self
+
+    def append_tokens(
+        self, tokens: Iterable[Tuple[str, Optional[StyleType]]]
+    ) -> "Text":
+        """Append iterable of str and style. Style may be a Style instance or a str style definition.
+
+        Args:
+            pairs (Iterable[Tuple[str, Optional[StyleType]]]): An iterable of tuples containing str content and style.
+
+        Returns:
+            Text: Returns self for chaining.
+        """
+        append_text = self._text.append
+        append_span = self._spans.append
+        _Span = Span
+        offset = len(self)
+        for content, style in tokens:
+            append_text(content)
+            if style is not None:
+                append_span(_Span(offset, offset + len(content), style))
+            offset += len(content)
+        self._length = offset
+        return self
+
+    def copy_styles(self, text: "Text") -> None:
+        """Copy styles from another Text instance.
+
+        Args:
+            text (Text): A Text instance to copy styles from, must be the same length.
+        """
+        self._spans.extend(text._spans)
+
+    def split(
+        self,
+        separator: str = "\n",
+        *,
+        include_separator: bool = False,
+        allow_blank: bool = False,
+    ) -> Lines:
+        """Split rich text in to lines, preserving styles.
+
+        Args:
+            separator (str, optional): String to split on. Defaults to "\\\\n".
+            include_separator (bool, optional): Include the separator in the lines. Defaults to False.
+            allow_blank (bool, optional): Return a blank line if the text ends with a separator. Defaults to False.
+
+        Returns:
+            List[RichText]: A list of rich text, one per line of the original.
+        """
+        assert separator, "separator must not be empty"
+
+        text = self.plain
+        if separator not in text:
+            return Lines([self.copy()])
+
+        if include_separator:
+            lines = self.divide(
+                match.end() for match in re.finditer(re.escape(separator), text)
+            )
+        else:
+
+            def flatten_spans() -> Iterable[int]:
+                for match in re.finditer(re.escape(separator), text):
+                    start, end = match.span()
+                    yield start
+                    yield end
+
+            lines = Lines(
+                line for line in self.divide(flatten_spans()) if line.plain != separator
+            )
+
+        if not allow_blank and text.endswith(separator):
+            lines.pop()
+
+        return lines
+
+    def divide(self, offsets: Iterable[int]) -> Lines:
+        """Divide text in to a number of lines at given offsets.
+
+        Args:
+            offsets (Iterable[int]): Offsets used to divide text.
+
+        Returns:
+            Lines: New RichText instances between offsets.
+        """
+        _offsets = list(offsets)
+
+        if not _offsets:
+            return Lines([self.copy()])
+
+        text = self.plain
+        text_length = len(text)
+        divide_offsets = [0, *_offsets, text_length]
+        line_ranges = list(zip(divide_offsets, divide_offsets[1:]))
+
+        style = self.style
+        justify = self.justify
+        overflow = self.overflow
+        _Text = Text
+        new_lines = Lines(
+            _Text(
+                text[start:end],
+                style=style,
+                justify=justify,
+                overflow=overflow,
+            )
+            for start, end in line_ranges
+        )
+        if not self._spans:
+            return new_lines
+
+        _line_appends = [line._spans.append for line in new_lines._lines]
+        line_count = len(line_ranges)
+        _Span = Span
+
+        for span_start, span_end, style in self._spans:
+
+            lower_bound = 0
+            upper_bound = line_count
+            start_line_no = (lower_bound + upper_bound) // 2
+
+            while True:
+                line_start, line_end = line_ranges[start_line_no]
+                if span_start < line_start:
+                    upper_bound = start_line_no - 1
+                elif span_start > line_end:
+                    lower_bound = start_line_no + 1
+                else:
+                    break
+                start_line_no = (lower_bound + upper_bound) // 2
+
+            if span_end < line_end:
+                end_line_no = start_line_no
+            else:
+                end_line_no = lower_bound = start_line_no
+                upper_bound = line_count
+
+                while True:
+                    line_start, line_end = line_ranges[end_line_no]
+                    if span_end < line_start:
+                        upper_bound = end_line_no - 1
+                    elif span_end > line_end:
+                        lower_bound = end_line_no + 1
+                    else:
+                        break
+                    end_line_no = (lower_bound + upper_bound) // 2
+
+            for line_no in range(start_line_no, end_line_no + 1):
+                line_start, line_end = line_ranges[line_no]
+                new_start = max(0, span_start - line_start)
+                new_end = min(span_end - line_start, line_end - line_start)
+                if new_end > new_start:
+                    _line_appends[line_no](_Span(new_start, new_end, style))
+
+        return new_lines
+
+    def right_crop(self, amount: int = 1) -> None:
+        """Remove a number of characters from the end of the text."""
+        max_offset = len(self.plain) - amount
+        _Span = Span
+        self._spans[:] = [
+            (
+                span
+                if span.end < max_offset
+                else _Span(span.start, min(max_offset, span.end), span.style)
+            )
+            for span in self._spans
+            if span.start < max_offset
+        ]
+        self._text = [self.plain[:-amount]]
+        self._length -= amount
+
+    def wrap(
+        self,
+        console: "Console",
+        width: int,
+        *,
+        justify: Optional["JustifyMethod"] = None,
+        overflow: Optional["OverflowMethod"] = None,
+        tab_size: int = 8,
+        no_wrap: Optional[bool] = None,
+    ) -> Lines:
+        """Word wrap the text.
+
+        Args:
+            console (Console): Console instance.
+            width (int): Number of characters per line.
+            emoji (bool, optional): Also render emoji code. Defaults to True.
+            justify (str, optional): Justify method: "default", "left", "center", "full", "right". Defaults to "default".
+            overflow (str, optional): Overflow method: "crop", "fold", or "ellipsis". Defaults to None.
+            tab_size (int, optional): Default tab size. Defaults to 8.
+            no_wrap (bool, optional): Disable wrapping, Defaults to False.
+
+        Returns:
+            Lines: Number of lines.
+        """
+        wrap_justify = justify or self.justify or DEFAULT_JUSTIFY
+        wrap_overflow = overflow or self.overflow or DEFAULT_OVERFLOW
+
+        no_wrap = pick_bool(no_wrap, self.no_wrap, False) or overflow == "ignore"
+
+        lines = Lines()
+        for line in self.split(allow_blank=True):
+            if "\t" in line:
+                line.expand_tabs(tab_size)
+            if no_wrap:
+                new_lines = Lines([line])
+            else:
+                offsets = divide_line(str(line), width, fold=wrap_overflow == "fold")
+                new_lines = line.divide(offsets)
+            for line in new_lines:
+                line.rstrip_end(width)
+            if wrap_justify:
+                new_lines.justify(
+                    console, width, justify=wrap_justify, overflow=wrap_overflow
+                )
+            for line in new_lines:
+                line.truncate(width, overflow=wrap_overflow)
+            lines.extend(new_lines)
+        return lines
+
+    def fit(self, width: int) -> Lines:
+        """Fit the text in to given width by chopping in to lines.
+
+        Args:
+            width (int): Maximum characters in a line.
+
+        Returns:
+            Lines: Lines container.
+        """
+        lines: Lines = Lines()
+        append = lines.append
+        for line in self.split():
+            line.set_length(width)
+            append(line)
+        return lines
+
+    def detect_indentation(self) -> int:
+        """Auto-detect indentation of code.
+
+        Returns:
+            int: Number of spaces used to indent code.
+        """
+
+        _indentations = {
+            len(match.group(1))
+            for match in re.finditer(r"^( *)(.*)$", self.plain, flags=re.MULTILINE)
+        }
+
+        try:
+            indentation = (
+                reduce(gcd, [indent for indent in _indentations if not indent % 2]) or 1
+            )
+        except TypeError:
+            indentation = 1
+
+        return indentation
+
+    def with_indent_guides(
+        self,
+        indent_size: Optional[int] = None,
+        *,
+        character: str = "│",
+        style: StyleType = "dim green",
+    ) -> "Text":
+        """Adds indent guide lines to text.
+
+        Args:
+            indent_size (Optional[int]): Size of indentation, or None to auto detect. Defaults to None.
+            character (str, optional): Character to use for indentation. Defaults to "│".
+            style (Union[Style, str], optional): Style of indent guides.
+
+        Returns:
+            Text: New text with indentation guides.
+        """
+
+        _indent_size = self.detect_indentation() if indent_size is None else indent_size
+
+        text = self.copy()
+        text.expand_tabs()
+        indent_line = f"{character}{' ' * (_indent_size - 1)}"
+
+        re_indent = re.compile(r"^( *)(.*)$")
+        new_lines: List[Text] = []
+        add_line = new_lines.append
+        blank_lines = 0
+        for line in text.split(allow_blank=True):
+            match = re_indent.match(line.plain)
+            if not match or not match.group(2):
+                blank_lines += 1
+                continue
+            indent = match.group(1)
+            full_indents, remaining_space = divmod(len(indent), _indent_size)
+            new_indent = f"{indent_line * full_indents}{' ' * remaining_space}"
+            line.plain = new_indent + line.plain[len(new_indent) :]
+            line.stylize(style, 0, len(new_indent))
+            if blank_lines:
+                new_lines.extend([Text(new_indent, style=style)] * blank_lines)
+                blank_lines = 0
+            add_line(line)
+        if blank_lines:
+            new_lines.extend([Text("", style=style)] * blank_lines)
+
+        new_text = text.blank_copy("\n").join(new_lines)
+        return new_text
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from pip._vendor.rich.console import Console
+
+    text = Text(
+        """\nLorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.\n"""
+    )
+    text.highlight_words(["Lorem"], "bold")
+    text.highlight_words(["ipsum"], "italic")
+
+    console = Console()
+
+    console.rule("justify='left'")
+    console.print(text, style="red")
+    console.print()
+
+    console.rule("justify='center'")
+    console.print(text, style="green", justify="center")
+    console.print()
+
+    console.rule("justify='right'")
+    console.print(text, style="blue", justify="right")
+    console.print()
+
+    console.rule("justify='full'")
+    console.print(text, style="magenta", justify="full")
+    console.print()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/theme.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/theme.py
new file mode 100644
index 00000000..471dfb2f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/theme.py
@@ -0,0 +1,115 @@
+import configparser
+from typing import Dict, List, IO, Mapping, Optional
+
+from .default_styles import DEFAULT_STYLES
+from .style import Style, StyleType
+
+
+class Theme:
+    """A container for style information, used by :class:`~rich.console.Console`.
+
+    Args:
+        styles (Dict[str, Style], optional): A mapping of style names on to styles. Defaults to None for a theme with no styles.
+        inherit (bool, optional): Inherit default styles. Defaults to True.
+    """
+
+    styles: Dict[str, Style]
+
+    def __init__(
+        self, styles: Optional[Mapping[str, StyleType]] = None, inherit: bool = True
+    ):
+        self.styles = DEFAULT_STYLES.copy() if inherit else {}
+        if styles is not None:
+            self.styles.update(
+                {
+                    name: style if isinstance(style, Style) else Style.parse(style)
+                    for name, style in styles.items()
+                }
+            )
+
+    @property
+    def config(self) -> str:
+        """Get contents of a config file for this theme."""
+        config = "[styles]\n" + "\n".join(
+            f"{name} = {style}" for name, style in sorted(self.styles.items())
+        )
+        return config
+
+    @classmethod
+    def from_file(
+        cls, config_file: IO[str], source: Optional[str] = None, inherit: bool = True
+    ) -> "Theme":
+        """Load a theme from a text mode file.
+
+        Args:
+            config_file (IO[str]): An open conf file.
+            source (str, optional): The filename of the open file. Defaults to None.
+            inherit (bool, optional): Inherit default styles. Defaults to True.
+
+        Returns:
+            Theme: A New theme instance.
+        """
+        config = configparser.ConfigParser()
+        config.read_file(config_file, source=source)
+        styles = {name: Style.parse(value) for name, value in config.items("styles")}
+        theme = Theme(styles, inherit=inherit)
+        return theme
+
+    @classmethod
+    def read(
+        cls, path: str, inherit: bool = True, encoding: Optional[str] = None
+    ) -> "Theme":
+        """Read a theme from a path.
+
+        Args:
+            path (str): Path to a config file readable by Python configparser module.
+            inherit (bool, optional): Inherit default styles. Defaults to True.
+            encoding (str, optional): Encoding of the config file. Defaults to None.
+
+        Returns:
+            Theme: A new theme instance.
+        """
+        with open(path, "rt", encoding=encoding) as config_file:
+            return cls.from_file(config_file, source=path, inherit=inherit)
+
+
+class ThemeStackError(Exception):
+    """Base exception for errors related to the theme stack."""
+
+
+class ThemeStack:
+    """A stack of themes.
+
+    Args:
+        theme (Theme): A theme instance
+    """
+
+    def __init__(self, theme: Theme) -> None:
+        self._entries: List[Dict[str, Style]] = [theme.styles]
+        self.get = self._entries[-1].get
+
+    def push_theme(self, theme: Theme, inherit: bool = True) -> None:
+        """Push a theme on the top of the stack.
+
+        Args:
+            theme (Theme): A Theme instance.
+            inherit (boolean, optional): Inherit styles from current top of stack.
+        """
+        styles: Dict[str, Style]
+        styles = (
+            {**self._entries[-1], **theme.styles} if inherit else theme.styles.copy()
+        )
+        self._entries.append(styles)
+        self.get = self._entries[-1].get
+
+    def pop_theme(self) -> None:
+        """Pop (and discard) the top-most theme."""
+        if len(self._entries) == 1:
+            raise ThemeStackError("Unable to pop base theme")
+        self._entries.pop()
+        self.get = self._entries[-1].get
+
+
+if __name__ == "__main__":  # pragma: no cover
+    theme = Theme()
+    print(theme.config)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/themes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/themes.py
new file mode 100644
index 00000000..bf6db104
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/themes.py
@@ -0,0 +1,5 @@
+from .default_styles import DEFAULT_STYLES
+from .theme import Theme
+
+
+DEFAULT = Theme(DEFAULT_STYLES)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/traceback.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/traceback.py
new file mode 100644
index 00000000..c4ffe1f9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/traceback.py
@@ -0,0 +1,756 @@
+from __future__ import absolute_import
+
+import linecache
+import os
+import platform
+import sys
+from dataclasses import dataclass, field
+from traceback import walk_tb
+from types import ModuleType, TracebackType
+from typing import (
+    Any,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    Optional,
+    Sequence,
+    Tuple,
+    Type,
+    Union,
+)
+
+from pip._vendor.pygments.lexers import guess_lexer_for_filename
+from pip._vendor.pygments.token import Comment, Keyword, Name, Number, Operator, String
+from pip._vendor.pygments.token import Text as TextToken
+from pip._vendor.pygments.token import Token
+from pip._vendor.pygments.util import ClassNotFound
+
+from . import pretty
+from ._loop import loop_last
+from .columns import Columns
+from .console import Console, ConsoleOptions, ConsoleRenderable, RenderResult, group
+from .constrain import Constrain
+from .highlighter import RegexHighlighter, ReprHighlighter
+from .panel import Panel
+from .scope import render_scope
+from .style import Style
+from .syntax import Syntax
+from .text import Text
+from .theme import Theme
+
+WINDOWS = platform.system() == "Windows"
+
+LOCALS_MAX_LENGTH = 10
+LOCALS_MAX_STRING = 80
+
+
+def install(
+    *,
+    console: Optional[Console] = None,
+    width: Optional[int] = 100,
+    extra_lines: int = 3,
+    theme: Optional[str] = None,
+    word_wrap: bool = False,
+    show_locals: bool = False,
+    locals_max_length: int = LOCALS_MAX_LENGTH,
+    locals_max_string: int = LOCALS_MAX_STRING,
+    locals_hide_dunder: bool = True,
+    locals_hide_sunder: Optional[bool] = None,
+    indent_guides: bool = True,
+    suppress: Iterable[Union[str, ModuleType]] = (),
+    max_frames: int = 100,
+) -> Callable[[Type[BaseException], BaseException, Optional[TracebackType]], Any]:
+    """Install a rich traceback handler.
+
+    Once installed, any tracebacks will be printed with syntax highlighting and rich formatting.
+
+
+    Args:
+        console (Optional[Console], optional): Console to write exception to. Default uses internal Console instance.
+        width (Optional[int], optional): Width (in characters) of traceback. Defaults to 100.
+        extra_lines (int, optional): Extra lines of code. Defaults to 3.
+        theme (Optional[str], optional): Pygments theme to use in traceback. Defaults to ``None`` which will pick
+            a theme appropriate for the platform.
+        word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+        show_locals (bool, optional): Enable display of local variables. Defaults to False.
+        locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to 10.
+        locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+        locals_hide_dunder (bool, optional): Hide locals prefixed with double underscore. Defaults to True.
+        locals_hide_sunder (bool, optional): Hide locals prefixed with single underscore. Defaults to False.
+        indent_guides (bool, optional): Enable indent guides in code and locals. Defaults to True.
+        suppress (Sequence[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+
+    Returns:
+        Callable: The previous exception handler that was replaced.
+
+    """
+    traceback_console = Console(stderr=True) if console is None else console
+
+    locals_hide_sunder = (
+        True
+        if (traceback_console.is_jupyter and locals_hide_sunder is None)
+        else locals_hide_sunder
+    )
+
+    def excepthook(
+        type_: Type[BaseException],
+        value: BaseException,
+        traceback: Optional[TracebackType],
+    ) -> None:
+        traceback_console.print(
+            Traceback.from_exception(
+                type_,
+                value,
+                traceback,
+                width=width,
+                extra_lines=extra_lines,
+                theme=theme,
+                word_wrap=word_wrap,
+                show_locals=show_locals,
+                locals_max_length=locals_max_length,
+                locals_max_string=locals_max_string,
+                locals_hide_dunder=locals_hide_dunder,
+                locals_hide_sunder=bool(locals_hide_sunder),
+                indent_guides=indent_guides,
+                suppress=suppress,
+                max_frames=max_frames,
+            )
+        )
+
+    def ipy_excepthook_closure(ip: Any) -> None:  # pragma: no cover
+        tb_data = {}  # store information about showtraceback call
+        default_showtraceback = ip.showtraceback  # keep reference of default traceback
+
+        def ipy_show_traceback(*args: Any, **kwargs: Any) -> None:
+            """wrap the default ip.showtraceback to store info for ip._showtraceback"""
+            nonlocal tb_data
+            tb_data = kwargs
+            default_showtraceback(*args, **kwargs)
+
+        def ipy_display_traceback(
+            *args: Any, is_syntax: bool = False, **kwargs: Any
+        ) -> None:
+            """Internally called traceback from ip._showtraceback"""
+            nonlocal tb_data
+            exc_tuple = ip._get_exc_info()
+
+            # do not display trace on syntax error
+            tb: Optional[TracebackType] = None if is_syntax else exc_tuple[2]
+
+            # determine correct tb_offset
+            compiled = tb_data.get("running_compiled_code", False)
+            tb_offset = tb_data.get("tb_offset", 1 if compiled else 0)
+            # remove ipython internal frames from trace with tb_offset
+            for _ in range(tb_offset):
+                if tb is None:
+                    break
+                tb = tb.tb_next
+
+            excepthook(exc_tuple[0], exc_tuple[1], tb)
+            tb_data = {}  # clear data upon usage
+
+        # replace _showtraceback instead of showtraceback to allow ipython features such as debugging to work
+        # this is also what the ipython docs recommends to modify when subclassing InteractiveShell
+        ip._showtraceback = ipy_display_traceback
+        # add wrapper to capture tb_data
+        ip.showtraceback = ipy_show_traceback
+        ip.showsyntaxerror = lambda *args, **kwargs: ipy_display_traceback(
+            *args, is_syntax=True, **kwargs
+        )
+
+    try:  # pragma: no cover
+        # if within ipython, use customized traceback
+        ip = get_ipython()  # type: ignore[name-defined]
+        ipy_excepthook_closure(ip)
+        return sys.excepthook
+    except Exception:
+        # otherwise use default system hook
+        old_excepthook = sys.excepthook
+        sys.excepthook = excepthook
+        return old_excepthook
+
+
+@dataclass
+class Frame:
+    filename: str
+    lineno: int
+    name: str
+    line: str = ""
+    locals: Optional[Dict[str, pretty.Node]] = None
+
+
+@dataclass
+class _SyntaxError:
+    offset: int
+    filename: str
+    line: str
+    lineno: int
+    msg: str
+
+
+@dataclass
+class Stack:
+    exc_type: str
+    exc_value: str
+    syntax_error: Optional[_SyntaxError] = None
+    is_cause: bool = False
+    frames: List[Frame] = field(default_factory=list)
+
+
+@dataclass
+class Trace:
+    stacks: List[Stack]
+
+
+class PathHighlighter(RegexHighlighter):
+    highlights = [r"(?P<dim>.*/)(?P<bold>.+)"]
+
+
+class Traceback:
+    """A Console renderable that renders a traceback.
+
+    Args:
+        trace (Trace, optional): A `Trace` object produced from `extract`. Defaults to None, which uses
+            the last exception.
+        width (Optional[int], optional): Number of characters used to traceback. Defaults to 100.
+        extra_lines (int, optional): Additional lines of code to render. Defaults to 3.
+        theme (str, optional): Override pygments theme used in traceback.
+        word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+        show_locals (bool, optional): Enable display of local variables. Defaults to False.
+        indent_guides (bool, optional): Enable indent guides in code and locals. Defaults to True.
+        locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+            Defaults to 10.
+        locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+        locals_hide_dunder (bool, optional): Hide locals prefixed with double underscore. Defaults to True.
+        locals_hide_sunder (bool, optional): Hide locals prefixed with single underscore. Defaults to False.
+        suppress (Sequence[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+        max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+
+    """
+
+    LEXERS = {
+        "": "text",
+        ".py": "python",
+        ".pxd": "cython",
+        ".pyx": "cython",
+        ".pxi": "pyrex",
+    }
+
+    def __init__(
+        self,
+        trace: Optional[Trace] = None,
+        *,
+        width: Optional[int] = 100,
+        extra_lines: int = 3,
+        theme: Optional[str] = None,
+        word_wrap: bool = False,
+        show_locals: bool = False,
+        locals_max_length: int = LOCALS_MAX_LENGTH,
+        locals_max_string: int = LOCALS_MAX_STRING,
+        locals_hide_dunder: bool = True,
+        locals_hide_sunder: bool = False,
+        indent_guides: bool = True,
+        suppress: Iterable[Union[str, ModuleType]] = (),
+        max_frames: int = 100,
+    ):
+        if trace is None:
+            exc_type, exc_value, traceback = sys.exc_info()
+            if exc_type is None or exc_value is None or traceback is None:
+                raise ValueError(
+                    "Value for 'trace' required if not called in except: block"
+                )
+            trace = self.extract(
+                exc_type, exc_value, traceback, show_locals=show_locals
+            )
+        self.trace = trace
+        self.width = width
+        self.extra_lines = extra_lines
+        self.theme = Syntax.get_theme(theme or "ansi_dark")
+        self.word_wrap = word_wrap
+        self.show_locals = show_locals
+        self.indent_guides = indent_guides
+        self.locals_max_length = locals_max_length
+        self.locals_max_string = locals_max_string
+        self.locals_hide_dunder = locals_hide_dunder
+        self.locals_hide_sunder = locals_hide_sunder
+
+        self.suppress: Sequence[str] = []
+        for suppress_entity in suppress:
+            if not isinstance(suppress_entity, str):
+                assert (
+                    suppress_entity.__file__ is not None
+                ), f"{suppress_entity!r} must be a module with '__file__' attribute"
+                path = os.path.dirname(suppress_entity.__file__)
+            else:
+                path = suppress_entity
+            path = os.path.normpath(os.path.abspath(path))
+            self.suppress.append(path)
+        self.max_frames = max(4, max_frames) if max_frames > 0 else 0
+
+    @classmethod
+    def from_exception(
+        cls,
+        exc_type: Type[Any],
+        exc_value: BaseException,
+        traceback: Optional[TracebackType],
+        *,
+        width: Optional[int] = 100,
+        extra_lines: int = 3,
+        theme: Optional[str] = None,
+        word_wrap: bool = False,
+        show_locals: bool = False,
+        locals_max_length: int = LOCALS_MAX_LENGTH,
+        locals_max_string: int = LOCALS_MAX_STRING,
+        locals_hide_dunder: bool = True,
+        locals_hide_sunder: bool = False,
+        indent_guides: bool = True,
+        suppress: Iterable[Union[str, ModuleType]] = (),
+        max_frames: int = 100,
+    ) -> "Traceback":
+        """Create a traceback from exception info
+
+        Args:
+            exc_type (Type[BaseException]): Exception type.
+            exc_value (BaseException): Exception value.
+            traceback (TracebackType): Python Traceback object.
+            width (Optional[int], optional): Number of characters used to traceback. Defaults to 100.
+            extra_lines (int, optional): Additional lines of code to render. Defaults to 3.
+            theme (str, optional): Override pygments theme used in traceback.
+            word_wrap (bool, optional): Enable word wrapping of long lines. Defaults to False.
+            show_locals (bool, optional): Enable display of local variables. Defaults to False.
+            indent_guides (bool, optional): Enable indent guides in code and locals. Defaults to True.
+            locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+                Defaults to 10.
+            locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+            locals_hide_dunder (bool, optional): Hide locals prefixed with double underscore. Defaults to True.
+            locals_hide_sunder (bool, optional): Hide locals prefixed with single underscore. Defaults to False.
+            suppress (Iterable[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
+            max_frames (int): Maximum number of frames to show in a traceback, 0 for no maximum. Defaults to 100.
+
+        Returns:
+            Traceback: A Traceback instance that may be printed.
+        """
+        rich_traceback = cls.extract(
+            exc_type,
+            exc_value,
+            traceback,
+            show_locals=show_locals,
+            locals_max_length=locals_max_length,
+            locals_max_string=locals_max_string,
+            locals_hide_dunder=locals_hide_dunder,
+            locals_hide_sunder=locals_hide_sunder,
+        )
+
+        return cls(
+            rich_traceback,
+            width=width,
+            extra_lines=extra_lines,
+            theme=theme,
+            word_wrap=word_wrap,
+            show_locals=show_locals,
+            indent_guides=indent_guides,
+            locals_max_length=locals_max_length,
+            locals_max_string=locals_max_string,
+            locals_hide_dunder=locals_hide_dunder,
+            locals_hide_sunder=locals_hide_sunder,
+            suppress=suppress,
+            max_frames=max_frames,
+        )
+
+    @classmethod
+    def extract(
+        cls,
+        exc_type: Type[BaseException],
+        exc_value: BaseException,
+        traceback: Optional[TracebackType],
+        *,
+        show_locals: bool = False,
+        locals_max_length: int = LOCALS_MAX_LENGTH,
+        locals_max_string: int = LOCALS_MAX_STRING,
+        locals_hide_dunder: bool = True,
+        locals_hide_sunder: bool = False,
+    ) -> Trace:
+        """Extract traceback information.
+
+        Args:
+            exc_type (Type[BaseException]): Exception type.
+            exc_value (BaseException): Exception value.
+            traceback (TracebackType): Python Traceback object.
+            show_locals (bool, optional): Enable display of local variables. Defaults to False.
+            locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
+                Defaults to 10.
+            locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
+            locals_hide_dunder (bool, optional): Hide locals prefixed with double underscore. Defaults to True.
+            locals_hide_sunder (bool, optional): Hide locals prefixed with single underscore. Defaults to False.
+
+        Returns:
+            Trace: A Trace instance which you can use to construct a `Traceback`.
+        """
+
+        stacks: List[Stack] = []
+        is_cause = False
+
+        from pip._vendor.rich import _IMPORT_CWD
+
+        def safe_str(_object: Any) -> str:
+            """Don't allow exceptions from __str__ to propagate."""
+            try:
+                return str(_object)
+            except Exception:
+                return "<exception str() failed>"
+
+        while True:
+            stack = Stack(
+                exc_type=safe_str(exc_type.__name__),
+                exc_value=safe_str(exc_value),
+                is_cause=is_cause,
+            )
+
+            if isinstance(exc_value, SyntaxError):
+                stack.syntax_error = _SyntaxError(
+                    offset=exc_value.offset or 0,
+                    filename=exc_value.filename or "?",
+                    lineno=exc_value.lineno or 0,
+                    line=exc_value.text or "",
+                    msg=exc_value.msg,
+                )
+
+            stacks.append(stack)
+            append = stack.frames.append
+
+            def get_locals(
+                iter_locals: Iterable[Tuple[str, object]]
+            ) -> Iterable[Tuple[str, object]]:
+                """Extract locals from an iterator of key pairs."""
+                if not (locals_hide_dunder or locals_hide_sunder):
+                    yield from iter_locals
+                    return
+                for key, value in iter_locals:
+                    if locals_hide_dunder and key.startswith("__"):
+                        continue
+                    if locals_hide_sunder and key.startswith("_"):
+                        continue
+                    yield key, value
+
+            for frame_summary, line_no in walk_tb(traceback):
+                filename = frame_summary.f_code.co_filename
+                if filename and not filename.startswith("<"):
+                    if not os.path.isabs(filename):
+                        filename = os.path.join(_IMPORT_CWD, filename)
+                if frame_summary.f_locals.get("_rich_traceback_omit", False):
+                    continue
+
+                frame = Frame(
+                    filename=filename or "?",
+                    lineno=line_no,
+                    name=frame_summary.f_code.co_name,
+                    locals={
+                        key: pretty.traverse(
+                            value,
+                            max_length=locals_max_length,
+                            max_string=locals_max_string,
+                        )
+                        for key, value in get_locals(frame_summary.f_locals.items())
+                    }
+                    if show_locals
+                    else None,
+                )
+                append(frame)
+                if frame_summary.f_locals.get("_rich_traceback_guard", False):
+                    del stack.frames[:]
+
+            cause = getattr(exc_value, "__cause__", None)
+            if cause:
+                exc_type = cause.__class__
+                exc_value = cause
+                # __traceback__ can be None, e.g. for exceptions raised by the
+                # 'multiprocessing' module
+                traceback = cause.__traceback__
+                is_cause = True
+                continue
+
+            cause = exc_value.__context__
+            if cause and not getattr(exc_value, "__suppress_context__", False):
+                exc_type = cause.__class__
+                exc_value = cause
+                traceback = cause.__traceback__
+                is_cause = False
+                continue
+            # No cover, code is reached but coverage doesn't recognize it.
+            break  # pragma: no cover
+
+        trace = Trace(stacks=stacks)
+        return trace
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        theme = self.theme
+        background_style = theme.get_background_style()
+        token_style = theme.get_style_for_token
+
+        traceback_theme = Theme(
+            {
+                "pretty": token_style(TextToken),
+                "pygments.text": token_style(Token),
+                "pygments.string": token_style(String),
+                "pygments.function": token_style(Name.Function),
+                "pygments.number": token_style(Number),
+                "repr.indent": token_style(Comment) + Style(dim=True),
+                "repr.str": token_style(String),
+                "repr.brace": token_style(TextToken) + Style(bold=True),
+                "repr.number": token_style(Number),
+                "repr.bool_true": token_style(Keyword.Constant),
+                "repr.bool_false": token_style(Keyword.Constant),
+                "repr.none": token_style(Keyword.Constant),
+                "scope.border": token_style(String.Delimiter),
+                "scope.equals": token_style(Operator),
+                "scope.key": token_style(Name),
+                "scope.key.special": token_style(Name.Constant) + Style(dim=True),
+            },
+            inherit=False,
+        )
+
+        highlighter = ReprHighlighter()
+        for last, stack in loop_last(reversed(self.trace.stacks)):
+            if stack.frames:
+                stack_renderable: ConsoleRenderable = Panel(
+                    self._render_stack(stack),
+                    title="[traceback.title]Traceback [dim](most recent call last)",
+                    style=background_style,
+                    border_style="traceback.border",
+                    expand=True,
+                    padding=(0, 1),
+                )
+                stack_renderable = Constrain(stack_renderable, self.width)
+                with console.use_theme(traceback_theme):
+                    yield stack_renderable
+            if stack.syntax_error is not None:
+                with console.use_theme(traceback_theme):
+                    yield Constrain(
+                        Panel(
+                            self._render_syntax_error(stack.syntax_error),
+                            style=background_style,
+                            border_style="traceback.border.syntax_error",
+                            expand=True,
+                            padding=(0, 1),
+                            width=self.width,
+                        ),
+                        self.width,
+                    )
+                yield Text.assemble(
+                    (f"{stack.exc_type}: ", "traceback.exc_type"),
+                    highlighter(stack.syntax_error.msg),
+                )
+            elif stack.exc_value:
+                yield Text.assemble(
+                    (f"{stack.exc_type}: ", "traceback.exc_type"),
+                    highlighter(stack.exc_value),
+                )
+            else:
+                yield Text.assemble((f"{stack.exc_type}", "traceback.exc_type"))
+
+            if not last:
+                if stack.is_cause:
+                    yield Text.from_markup(
+                        "\n[i]The above exception was the direct cause of the following exception:\n",
+                    )
+                else:
+                    yield Text.from_markup(
+                        "\n[i]During handling of the above exception, another exception occurred:\n",
+                    )
+
+    @group()
+    def _render_syntax_error(self, syntax_error: _SyntaxError) -> RenderResult:
+        highlighter = ReprHighlighter()
+        path_highlighter = PathHighlighter()
+        if syntax_error.filename != "<stdin>":
+            if os.path.exists(syntax_error.filename):
+                text = Text.assemble(
+                    (f" {syntax_error.filename}", "pygments.string"),
+                    (":", "pygments.text"),
+                    (str(syntax_error.lineno), "pygments.number"),
+                    style="pygments.text",
+                )
+                yield path_highlighter(text)
+        syntax_error_text = highlighter(syntax_error.line.rstrip())
+        syntax_error_text.no_wrap = True
+        offset = min(syntax_error.offset - 1, len(syntax_error_text))
+        syntax_error_text.stylize("bold underline", offset, offset)
+        syntax_error_text += Text.from_markup(
+            "\n" + " " * offset + "[traceback.offset]▲[/]",
+            style="pygments.text",
+        )
+        yield syntax_error_text
+
+    @classmethod
+    def _guess_lexer(cls, filename: str, code: str) -> str:
+        ext = os.path.splitext(filename)[-1]
+        if not ext:
+            # No extension, look at first line to see if it is a hashbang
+            # Note, this is an educated guess and not a guarantee
+            # If it fails, the only downside is that the code is highlighted strangely
+            new_line_index = code.index("\n")
+            first_line = code[:new_line_index] if new_line_index != -1 else code
+            if first_line.startswith("#!") and "python" in first_line.lower():
+                return "python"
+        try:
+            return cls.LEXERS.get(ext) or guess_lexer_for_filename(filename, code).name
+        except ClassNotFound:
+            return "text"
+
+    @group()
+    def _render_stack(self, stack: Stack) -> RenderResult:
+        path_highlighter = PathHighlighter()
+        theme = self.theme
+
+        def read_code(filename: str) -> str:
+            """Read files, and cache results on filename.
+
+            Args:
+                filename (str): Filename to read
+
+            Returns:
+                str: Contents of file
+            """
+            return "".join(linecache.getlines(filename))
+
+        def render_locals(frame: Frame) -> Iterable[ConsoleRenderable]:
+            if frame.locals:
+                yield render_scope(
+                    frame.locals,
+                    title="locals",
+                    indent_guides=self.indent_guides,
+                    max_length=self.locals_max_length,
+                    max_string=self.locals_max_string,
+                )
+
+        exclude_frames: Optional[range] = None
+        if self.max_frames != 0:
+            exclude_frames = range(
+                self.max_frames // 2,
+                len(stack.frames) - self.max_frames // 2,
+            )
+
+        excluded = False
+        for frame_index, frame in enumerate(stack.frames):
+
+            if exclude_frames and frame_index in exclude_frames:
+                excluded = True
+                continue
+
+            if excluded:
+                assert exclude_frames is not None
+                yield Text(
+                    f"\n... {len(exclude_frames)} frames hidden ...",
+                    justify="center",
+                    style="traceback.error",
+                )
+                excluded = False
+
+            first = frame_index == 0
+            frame_filename = frame.filename
+            suppressed = any(frame_filename.startswith(path) for path in self.suppress)
+
+            if os.path.exists(frame.filename):
+                text = Text.assemble(
+                    path_highlighter(Text(frame.filename, style="pygments.string")),
+                    (":", "pygments.text"),
+                    (str(frame.lineno), "pygments.number"),
+                    " in ",
+                    (frame.name, "pygments.function"),
+                    style="pygments.text",
+                )
+            else:
+                text = Text.assemble(
+                    "in ",
+                    (frame.name, "pygments.function"),
+                    (":", "pygments.text"),
+                    (str(frame.lineno), "pygments.number"),
+                    style="pygments.text",
+                )
+            if not frame.filename.startswith("<") and not first:
+                yield ""
+            yield text
+            if frame.filename.startswith("<"):
+                yield from render_locals(frame)
+                continue
+            if not suppressed:
+                try:
+                    code = read_code(frame.filename)
+                    if not code:
+                        # code may be an empty string if the file doesn't exist, OR
+                        # if the traceback filename is generated dynamically
+                        continue
+                    lexer_name = self._guess_lexer(frame.filename, code)
+                    syntax = Syntax(
+                        code,
+                        lexer_name,
+                        theme=theme,
+                        line_numbers=True,
+                        line_range=(
+                            frame.lineno - self.extra_lines,
+                            frame.lineno + self.extra_lines,
+                        ),
+                        highlight_lines={frame.lineno},
+                        word_wrap=self.word_wrap,
+                        code_width=88,
+                        indent_guides=self.indent_guides,
+                        dedent=False,
+                    )
+                    yield ""
+                except Exception as error:
+                    yield Text.assemble(
+                        (f"\n{error}", "traceback.error"),
+                    )
+                else:
+                    yield (
+                        Columns(
+                            [
+                                syntax,
+                                *render_locals(frame),
+                            ],
+                            padding=1,
+                        )
+                        if frame.locals
+                        else syntax
+                    )
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from .console import Console
+
+    console = Console()
+    import sys
+
+    def bar(a: Any) -> None:  # 这是对亚洲语言支持的测试。面对模棱两可的想法，拒绝猜测的诱惑
+        one = 1
+        print(one / a)
+
+    def foo(a: Any) -> None:
+        _rich_traceback_guard = True
+        zed = {
+            "characters": {
+                "Paul Atreides",
+                "Vladimir Harkonnen",
+                "Thufir Hawat",
+                "Duncan Idaho",
+            },
+            "atomic_types": (None, False, True),
+        }
+        bar(a)
+
+    def error() -> None:
+
+        try:
+            try:
+                foo(0)
+            except:
+                slfkjsldkfj  # type: ignore[name-defined]
+        except:
+            console.print_exception(show_locals=True)
+
+    error()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/tree.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/tree.py
new file mode 100644
index 00000000..afe8da1a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/rich/tree.py
@@ -0,0 +1,251 @@
+from typing import Iterator, List, Optional, Tuple
+
+from ._loop import loop_first, loop_last
+from .console import Console, ConsoleOptions, RenderableType, RenderResult
+from .jupyter import JupyterMixin
+from .measure import Measurement
+from .segment import Segment
+from .style import Style, StyleStack, StyleType
+from .styled import Styled
+
+
+class Tree(JupyterMixin):
+    """A renderable for a tree structure.
+
+    Args:
+        label (RenderableType): The renderable or str for the tree label.
+        style (StyleType, optional): Style of this tree. Defaults to "tree".
+        guide_style (StyleType, optional): Style of the guide lines. Defaults to "tree.line".
+        expanded (bool, optional): Also display children. Defaults to True.
+        highlight (bool, optional): Highlight renderable (if str). Defaults to False.
+    """
+
+    def __init__(
+        self,
+        label: RenderableType,
+        *,
+        style: StyleType = "tree",
+        guide_style: StyleType = "tree.line",
+        expanded: bool = True,
+        highlight: bool = False,
+        hide_root: bool = False,
+    ) -> None:
+        self.label = label
+        self.style = style
+        self.guide_style = guide_style
+        self.children: List[Tree] = []
+        self.expanded = expanded
+        self.highlight = highlight
+        self.hide_root = hide_root
+
+    def add(
+        self,
+        label: RenderableType,
+        *,
+        style: Optional[StyleType] = None,
+        guide_style: Optional[StyleType] = None,
+        expanded: bool = True,
+        highlight: Optional[bool] = False,
+    ) -> "Tree":
+        """Add a child tree.
+
+        Args:
+            label (RenderableType): The renderable or str for the tree label.
+            style (StyleType, optional): Style of this tree. Defaults to "tree".
+            guide_style (StyleType, optional): Style of the guide lines. Defaults to "tree.line".
+            expanded (bool, optional): Also display children. Defaults to True.
+            highlight (Optional[bool], optional): Highlight renderable (if str). Defaults to False.
+
+        Returns:
+            Tree: A new child Tree, which may be further modified.
+        """
+        node = Tree(
+            label,
+            style=self.style if style is None else style,
+            guide_style=self.guide_style if guide_style is None else guide_style,
+            expanded=expanded,
+            highlight=self.highlight if highlight is None else highlight,
+        )
+        self.children.append(node)
+        return node
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+
+        stack: List[Iterator[Tuple[bool, Tree]]] = []
+        pop = stack.pop
+        push = stack.append
+        new_line = Segment.line()
+
+        get_style = console.get_style
+        null_style = Style.null()
+        guide_style = get_style(self.guide_style, default="") or null_style
+        SPACE, CONTINUE, FORK, END = range(4)
+
+        ASCII_GUIDES = ("    ", "|   ", "+-- ", "`-- ")
+        TREE_GUIDES = [
+            ("    ", "│   ", "├── ", "└── "),
+            ("    ", "┃   ", "┣━━ ", "┗━━ "),
+            ("    ", "║   ", "╠══ ", "╚══ "),
+        ]
+        _Segment = Segment
+
+        def make_guide(index: int, style: Style) -> Segment:
+            """Make a Segment for a level of the guide lines."""
+            if options.ascii_only:
+                line = ASCII_GUIDES[index]
+            else:
+                guide = 1 if style.bold else (2 if style.underline2 else 0)
+                line = TREE_GUIDES[0 if options.legacy_windows else guide][index]
+            return _Segment(line, style)
+
+        levels: List[Segment] = [make_guide(CONTINUE, guide_style)]
+        push(iter(loop_last([self])))
+
+        guide_style_stack = StyleStack(get_style(self.guide_style))
+        style_stack = StyleStack(get_style(self.style))
+        remove_guide_styles = Style(bold=False, underline2=False)
+
+        depth = 0
+
+        while stack:
+            stack_node = pop()
+            try:
+                last, node = next(stack_node)
+            except StopIteration:
+                levels.pop()
+                if levels:
+                    guide_style = levels[-1].style or null_style
+                    levels[-1] = make_guide(FORK, guide_style)
+                    guide_style_stack.pop()
+                    style_stack.pop()
+                continue
+            push(stack_node)
+            if last:
+                levels[-1] = make_guide(END, levels[-1].style or null_style)
+
+            guide_style = guide_style_stack.current + get_style(node.guide_style)
+            style = style_stack.current + get_style(node.style)
+            prefix = levels[(2 if self.hide_root else 1) :]
+            renderable_lines = console.render_lines(
+                Styled(node.label, style),
+                options.update(
+                    width=options.max_width
+                    - sum(level.cell_length for level in prefix),
+                    highlight=self.highlight,
+                    height=None,
+                ),
+                pad=options.justify is not None,
+            )
+
+            if not (depth == 0 and self.hide_root):
+                for first, line in loop_first(renderable_lines):
+                    if prefix:
+                        yield from _Segment.apply_style(
+                            prefix,
+                            style.background_style,
+                            post_style=remove_guide_styles,
+                        )
+                    yield from line
+                    yield new_line
+                    if first and prefix:
+                        prefix[-1] = make_guide(
+                            SPACE if last else CONTINUE, prefix[-1].style or null_style
+                        )
+
+            if node.expanded and node.children:
+                levels[-1] = make_guide(
+                    SPACE if last else CONTINUE, levels[-1].style or null_style
+                )
+                levels.append(
+                    make_guide(END if len(node.children) == 1 else FORK, guide_style)
+                )
+                style_stack.push(get_style(node.style))
+                guide_style_stack.push(get_style(node.guide_style))
+                push(iter(loop_last(node.children)))
+                depth += 1
+
+    def __rich_measure__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "Measurement":
+        stack: List[Iterator[Tree]] = [iter([self])]
+        pop = stack.pop
+        push = stack.append
+        minimum = 0
+        maximum = 0
+        measure = Measurement.get
+        level = 0
+        while stack:
+            iter_tree = pop()
+            try:
+                tree = next(iter_tree)
+            except StopIteration:
+                level -= 1
+                continue
+            push(iter_tree)
+            min_measure, max_measure = measure(console, options, tree.label)
+            indent = level * 4
+            minimum = max(min_measure + indent, minimum)
+            maximum = max(max_measure + indent, maximum)
+            if tree.expanded and tree.children:
+                push(iter(tree.children))
+                level += 1
+        return Measurement(minimum, maximum)
+
+
+if __name__ == "__main__":  # pragma: no cover
+
+    from pip._vendor.rich.console import Group
+    from pip._vendor.rich.markdown import Markdown
+    from pip._vendor.rich.panel import Panel
+    from pip._vendor.rich.syntax import Syntax
+    from pip._vendor.rich.table import Table
+
+    table = Table(row_styles=["", "dim"])
+
+    table.add_column("Released", style="cyan", no_wrap=True)
+    table.add_column("Title", style="magenta")
+    table.add_column("Box Office", justify="right", style="green")
+
+    table.add_row("Dec 20, 2019", "Star Wars: The Rise of Skywalker", "$952,110,690")
+    table.add_row("May 25, 2018", "Solo: A Star Wars Story", "$393,151,347")
+    table.add_row("Dec 15, 2017", "Star Wars Ep. V111: The Last Jedi", "$1,332,539,889")
+    table.add_row("Dec 16, 2016", "Rogue One: A Star Wars Story", "$1,332,439,889")
+
+    code = """\
+class Segment(NamedTuple):
+    text: str = ""
+    style: Optional[Style] = None
+    is_control: bool = False
+"""
+    syntax = Syntax(code, "python", theme="monokai", line_numbers=True)
+
+    markdown = Markdown(
+        """\
+### example.md
+> Hello, World!
+>
+> Markdown _all_ the things
+"""
+    )
+
+    root = Tree("🌲 [b green]Rich Tree", highlight=True, hide_root=True)
+
+    node = root.add(":file_folder: Renderables", guide_style="red")
+    simple_node = node.add(":file_folder: [bold yellow]Atomic", guide_style="uu green")
+    simple_node.add(Group("📄 Syntax", syntax))
+    simple_node.add(Group("📄 Markdown", Panel(markdown, border_style="green")))
+
+    containers_node = node.add(
+        ":file_folder: [bold magenta]Containers", guide_style="bold magenta"
+    )
+    containers_node.expanded = True
+    panel = Panel.fit("Just a panel", border_style="red")
+    containers_node.add(Group("📄 Panels", panel))
+
+    containers_node.add(Group("📄 [b magenta]Table", table))
+
+    console = Console()
+
+    console.print(root)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/six.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/six.py
new file mode 100644
index 00000000..4e15675d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/six.py
@@ -0,0 +1,998 @@
+# Copyright (c) 2010-2020 Benjamin Peterson
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""Utilities for writing code that runs on Python 2 and 3"""
+
+from __future__ import absolute_import
+
+import functools
+import itertools
+import operator
+import sys
+import types
+
+__author__ = "Benjamin Peterson <benjamin@python.org>"
+__version__ = "1.16.0"
+
+
+# Useful for very coarse version differentiation.
+PY2 = sys.version_info[0] == 2
+PY3 = sys.version_info[0] == 3
+PY34 = sys.version_info[0:2] >= (3, 4)
+
+if PY3:
+    string_types = str,
+    integer_types = int,
+    class_types = type,
+    text_type = str
+    binary_type = bytes
+
+    MAXSIZE = sys.maxsize
+else:
+    string_types = basestring,
+    integer_types = (int, long)
+    class_types = (type, types.ClassType)
+    text_type = unicode
+    binary_type = str
+
+    if sys.platform.startswith("java"):
+        # Jython always uses 32 bits.
+        MAXSIZE = int((1 << 31) - 1)
+    else:
+        # It's possible to have sizeof(long) != sizeof(Py_ssize_t).
+        class X(object):
+
+            def __len__(self):
+                return 1 << 31
+        try:
+            len(X())
+        except OverflowError:
+            # 32-bit
+            MAXSIZE = int((1 << 31) - 1)
+        else:
+            # 64-bit
+            MAXSIZE = int((1 << 63) - 1)
+        del X
+
+if PY34:
+    from importlib.util import spec_from_loader
+else:
+    spec_from_loader = None
+
+
+def _add_doc(func, doc):
+    """Add documentation to a function."""
+    func.__doc__ = doc
+
+
+def _import_module(name):
+    """Import module, returning the module after the last dot."""
+    __import__(name)
+    return sys.modules[name]
+
+
+class _LazyDescr(object):
+
+    def __init__(self, name):
+        self.name = name
+
+    def __get__(self, obj, tp):
+        result = self._resolve()
+        setattr(obj, self.name, result)  # Invokes __set__.
+        try:
+            # This is a bit ugly, but it avoids running this again by
+            # removing this descriptor.
+            delattr(obj.__class__, self.name)
+        except AttributeError:
+            pass
+        return result
+
+
+class MovedModule(_LazyDescr):
+
+    def __init__(self, name, old, new=None):
+        super(MovedModule, self).__init__(name)
+        if PY3:
+            if new is None:
+                new = name
+            self.mod = new
+        else:
+            self.mod = old
+
+    def _resolve(self):
+        return _import_module(self.mod)
+
+    def __getattr__(self, attr):
+        _module = self._resolve()
+        value = getattr(_module, attr)
+        setattr(self, attr, value)
+        return value
+
+
+class _LazyModule(types.ModuleType):
+
+    def __init__(self, name):
+        super(_LazyModule, self).__init__(name)
+        self.__doc__ = self.__class__.__doc__
+
+    def __dir__(self):
+        attrs = ["__doc__", "__name__"]
+        attrs += [attr.name for attr in self._moved_attributes]
+        return attrs
+
+    # Subclasses should override this
+    _moved_attributes = []
+
+
+class MovedAttribute(_LazyDescr):
+
+    def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
+        super(MovedAttribute, self).__init__(name)
+        if PY3:
+            if new_mod is None:
+                new_mod = name
+            self.mod = new_mod
+            if new_attr is None:
+                if old_attr is None:
+                    new_attr = name
+                else:
+                    new_attr = old_attr
+            self.attr = new_attr
+        else:
+            self.mod = old_mod
+            if old_attr is None:
+                old_attr = name
+            self.attr = old_attr
+
+    def _resolve(self):
+        module = _import_module(self.mod)
+        return getattr(module, self.attr)
+
+
+class _SixMetaPathImporter(object):
+
+    """
+    A meta path importer to import six.moves and its submodules.
+
+    This class implements a PEP302 finder and loader. It should be compatible
+    with Python 2.5 and all existing versions of Python3
+    """
+
+    def __init__(self, six_module_name):
+        self.name = six_module_name
+        self.known_modules = {}
+
+    def _add_module(self, mod, *fullnames):
+        for fullname in fullnames:
+            self.known_modules[self.name + "." + fullname] = mod
+
+    def _get_module(self, fullname):
+        return self.known_modules[self.name + "." + fullname]
+
+    def find_module(self, fullname, path=None):
+        if fullname in self.known_modules:
+            return self
+        return None
+
+    def find_spec(self, fullname, path, target=None):
+        if fullname in self.known_modules:
+            return spec_from_loader(fullname, self)
+        return None
+
+    def __get_module(self, fullname):
+        try:
+            return self.known_modules[fullname]
+        except KeyError:
+            raise ImportError("This loader does not know module " + fullname)
+
+    def load_module(self, fullname):
+        try:
+            # in case of a reload
+            return sys.modules[fullname]
+        except KeyError:
+            pass
+        mod = self.__get_module(fullname)
+        if isinstance(mod, MovedModule):
+            mod = mod._resolve()
+        else:
+            mod.__loader__ = self
+        sys.modules[fullname] = mod
+        return mod
+
+    def is_package(self, fullname):
+        """
+        Return true, if the named module is a package.
+
+        We need this method to get correct spec objects with
+        Python 3.4 (see PEP451)
+        """
+        return hasattr(self.__get_module(fullname), "__path__")
+
+    def get_code(self, fullname):
+        """Return None
+
+        Required, if is_package is implemented"""
+        self.__get_module(fullname)  # eventually raises ImportError
+        return None
+    get_source = get_code  # same as get_code
+
+    def create_module(self, spec):
+        return self.load_module(spec.name)
+
+    def exec_module(self, module):
+        pass
+
+_importer = _SixMetaPathImporter(__name__)
+
+
+class _MovedItems(_LazyModule):
+
+    """Lazy loading of moved objects"""
+    __path__ = []  # mark as package
+
+
+_moved_attributes = [
+    MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
+    MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
+    MovedAttribute("filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"),
+    MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"),
+    MovedAttribute("intern", "__builtin__", "sys"),
+    MovedAttribute("map", "itertools", "builtins", "imap", "map"),
+    MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"),
+    MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"),
+    MovedAttribute("getoutput", "commands", "subprocess"),
+    MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute("reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"),
+    MovedAttribute("reduce", "__builtin__", "functools"),
+    MovedAttribute("shlex_quote", "pipes", "shlex", "quote"),
+    MovedAttribute("StringIO", "StringIO", "io"),
+    MovedAttribute("UserDict", "UserDict", "collections"),
+    MovedAttribute("UserList", "UserList", "collections"),
+    MovedAttribute("UserString", "UserString", "collections"),
+    MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
+    MovedAttribute("zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"),
+    MovedModule("builtins", "__builtin__"),
+    MovedModule("configparser", "ConfigParser"),
+    MovedModule("collections_abc", "collections", "collections.abc" if sys.version_info >= (3, 3) else "collections"),
+    MovedModule("copyreg", "copy_reg"),
+    MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
+    MovedModule("dbm_ndbm", "dbm", "dbm.ndbm"),
+    MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread" if sys.version_info < (3, 9) else "_thread"),
+    MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
+    MovedModule("http_cookies", "Cookie", "http.cookies"),
+    MovedModule("html_entities", "htmlentitydefs", "html.entities"),
+    MovedModule("html_parser", "HTMLParser", "html.parser"),
+    MovedModule("http_client", "httplib", "http.client"),
+    MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"),
+    MovedModule("email_mime_image", "email.MIMEImage", "email.mime.image"),
+    MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"),
+    MovedModule("email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"),
+    MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"),
+    MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
+    MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
+    MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
+    MovedModule("cPickle", "cPickle", "pickle"),
+    MovedModule("queue", "Queue"),
+    MovedModule("reprlib", "repr"),
+    MovedModule("socketserver", "SocketServer"),
+    MovedModule("_thread", "thread", "_thread"),
+    MovedModule("tkinter", "Tkinter"),
+    MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
+    MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
+    MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
+    MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
+    MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"),
+    MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
+    MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
+    MovedModule("tkinter_colorchooser", "tkColorChooser",
+                "tkinter.colorchooser"),
+    MovedModule("tkinter_commondialog", "tkCommonDialog",
+                "tkinter.commondialog"),
+    MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_font", "tkFont", "tkinter.font"),
+    MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
+    MovedModule("tkinter_tksimpledialog", "tkSimpleDialog",
+                "tkinter.simpledialog"),
+    MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"),
+    MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"),
+    MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"),
+    MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
+    MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"),
+    MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"),
+]
+# Add windows specific modules.
+if sys.platform == "win32":
+    _moved_attributes += [
+        MovedModule("winreg", "_winreg"),
+    ]
+
+for attr in _moved_attributes:
+    setattr(_MovedItems, attr.name, attr)
+    if isinstance(attr, MovedModule):
+        _importer._add_module(attr, "moves." + attr.name)
+del attr
+
+_MovedItems._moved_attributes = _moved_attributes
+
+moves = _MovedItems(__name__ + ".moves")
+_importer._add_module(moves, "moves")
+
+
+class Module_six_moves_urllib_parse(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_parse"""
+
+
+_urllib_parse_moved_attributes = [
+    MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
+    MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
+    MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
+    MovedAttribute("urljoin", "urlparse", "urllib.parse"),
+    MovedAttribute("urlparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("quote", "urllib", "urllib.parse"),
+    MovedAttribute("quote_plus", "urllib", "urllib.parse"),
+    MovedAttribute("unquote", "urllib", "urllib.parse"),
+    MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
+    MovedAttribute("unquote_to_bytes", "urllib", "urllib.parse", "unquote", "unquote_to_bytes"),
+    MovedAttribute("urlencode", "urllib", "urllib.parse"),
+    MovedAttribute("splitquery", "urllib", "urllib.parse"),
+    MovedAttribute("splittag", "urllib", "urllib.parse"),
+    MovedAttribute("splituser", "urllib", "urllib.parse"),
+    MovedAttribute("splitvalue", "urllib", "urllib.parse"),
+    MovedAttribute("uses_fragment", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_netloc", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_params", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_query", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_relative", "urlparse", "urllib.parse"),
+]
+for attr in _urllib_parse_moved_attributes:
+    setattr(Module_six_moves_urllib_parse, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
+
+_importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
+                      "moves.urllib_parse", "moves.urllib.parse")
+
+
+class Module_six_moves_urllib_error(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_error"""
+
+
+_urllib_error_moved_attributes = [
+    MovedAttribute("URLError", "urllib2", "urllib.error"),
+    MovedAttribute("HTTPError", "urllib2", "urllib.error"),
+    MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
+]
+for attr in _urllib_error_moved_attributes:
+    setattr(Module_six_moves_urllib_error, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
+
+_importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
+                      "moves.urllib_error", "moves.urllib.error")
+
+
+class Module_six_moves_urllib_request(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_request"""
+
+
+_urllib_request_moved_attributes = [
+    MovedAttribute("urlopen", "urllib2", "urllib.request"),
+    MovedAttribute("install_opener", "urllib2", "urllib.request"),
+    MovedAttribute("build_opener", "urllib2", "urllib.request"),
+    MovedAttribute("pathname2url", "urllib", "urllib.request"),
+    MovedAttribute("url2pathname", "urllib", "urllib.request"),
+    MovedAttribute("getproxies", "urllib", "urllib.request"),
+    MovedAttribute("Request", "urllib2", "urllib.request"),
+    MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
+    MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FileHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("urlretrieve", "urllib", "urllib.request"),
+    MovedAttribute("urlcleanup", "urllib", "urllib.request"),
+    MovedAttribute("URLopener", "urllib", "urllib.request"),
+    MovedAttribute("FancyURLopener", "urllib", "urllib.request"),
+    MovedAttribute("proxy_bypass", "urllib", "urllib.request"),
+    MovedAttribute("parse_http_list", "urllib2", "urllib.request"),
+    MovedAttribute("parse_keqv_list", "urllib2", "urllib.request"),
+]
+for attr in _urllib_request_moved_attributes:
+    setattr(Module_six_moves_urllib_request, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes
+
+_importer._add_module(Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"),
+                      "moves.urllib_request", "moves.urllib.request")
+
+
+class Module_six_moves_urllib_response(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_response"""
+
+
+_urllib_response_moved_attributes = [
+    MovedAttribute("addbase", "urllib", "urllib.response"),
+    MovedAttribute("addclosehook", "urllib", "urllib.response"),
+    MovedAttribute("addinfo", "urllib", "urllib.response"),
+    MovedAttribute("addinfourl", "urllib", "urllib.response"),
+]
+for attr in _urllib_response_moved_attributes:
+    setattr(Module_six_moves_urllib_response, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes
+
+_importer._add_module(Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"),
+                      "moves.urllib_response", "moves.urllib.response")
+
+
+class Module_six_moves_urllib_robotparser(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_robotparser"""
+
+
+_urllib_robotparser_moved_attributes = [
+    MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"),
+]
+for attr in _urllib_robotparser_moved_attributes:
+    setattr(Module_six_moves_urllib_robotparser, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_robotparser._moved_attributes = _urllib_robotparser_moved_attributes
+
+_importer._add_module(Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"),
+                      "moves.urllib_robotparser", "moves.urllib.robotparser")
+
+
+class Module_six_moves_urllib(types.ModuleType):
+
+    """Create a six.moves.urllib namespace that resembles the Python 3 namespace"""
+    __path__ = []  # mark as package
+    parse = _importer._get_module("moves.urllib_parse")
+    error = _importer._get_module("moves.urllib_error")
+    request = _importer._get_module("moves.urllib_request")
+    response = _importer._get_module("moves.urllib_response")
+    robotparser = _importer._get_module("moves.urllib_robotparser")
+
+    def __dir__(self):
+        return ['parse', 'error', 'request', 'response', 'robotparser']
+
+_importer._add_module(Module_six_moves_urllib(__name__ + ".moves.urllib"),
+                      "moves.urllib")
+
+
+def add_move(move):
+    """Add an item to six.moves."""
+    setattr(_MovedItems, move.name, move)
+
+
+def remove_move(name):
+    """Remove item from six.moves."""
+    try:
+        delattr(_MovedItems, name)
+    except AttributeError:
+        try:
+            del moves.__dict__[name]
+        except KeyError:
+            raise AttributeError("no such move, %r" % (name,))
+
+
+if PY3:
+    _meth_func = "__func__"
+    _meth_self = "__self__"
+
+    _func_closure = "__closure__"
+    _func_code = "__code__"
+    _func_defaults = "__defaults__"
+    _func_globals = "__globals__"
+else:
+    _meth_func = "im_func"
+    _meth_self = "im_self"
+
+    _func_closure = "func_closure"
+    _func_code = "func_code"
+    _func_defaults = "func_defaults"
+    _func_globals = "func_globals"
+
+
+try:
+    advance_iterator = next
+except NameError:
+    def advance_iterator(it):
+        return it.next()
+next = advance_iterator
+
+
+try:
+    callable = callable
+except NameError:
+    def callable(obj):
+        return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
+
+
+if PY3:
+    def get_unbound_function(unbound):
+        return unbound
+
+    create_bound_method = types.MethodType
+
+    def create_unbound_method(func, cls):
+        return func
+
+    Iterator = object
+else:
+    def get_unbound_function(unbound):
+        return unbound.im_func
+
+    def create_bound_method(func, obj):
+        return types.MethodType(func, obj, obj.__class__)
+
+    def create_unbound_method(func, cls):
+        return types.MethodType(func, None, cls)
+
+    class Iterator(object):
+
+        def next(self):
+            return type(self).__next__(self)
+
+    callable = callable
+_add_doc(get_unbound_function,
+         """Get the function out of a possibly unbound function""")
+
+
+get_method_function = operator.attrgetter(_meth_func)
+get_method_self = operator.attrgetter(_meth_self)
+get_function_closure = operator.attrgetter(_func_closure)
+get_function_code = operator.attrgetter(_func_code)
+get_function_defaults = operator.attrgetter(_func_defaults)
+get_function_globals = operator.attrgetter(_func_globals)
+
+
+if PY3:
+    def iterkeys(d, **kw):
+        return iter(d.keys(**kw))
+
+    def itervalues(d, **kw):
+        return iter(d.values(**kw))
+
+    def iteritems(d, **kw):
+        return iter(d.items(**kw))
+
+    def iterlists(d, **kw):
+        return iter(d.lists(**kw))
+
+    viewkeys = operator.methodcaller("keys")
+
+    viewvalues = operator.methodcaller("values")
+
+    viewitems = operator.methodcaller("items")
+else:
+    def iterkeys(d, **kw):
+        return d.iterkeys(**kw)
+
+    def itervalues(d, **kw):
+        return d.itervalues(**kw)
+
+    def iteritems(d, **kw):
+        return d.iteritems(**kw)
+
+    def iterlists(d, **kw):
+        return d.iterlists(**kw)
+
+    viewkeys = operator.methodcaller("viewkeys")
+
+    viewvalues = operator.methodcaller("viewvalues")
+
+    viewitems = operator.methodcaller("viewitems")
+
+_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.")
+_add_doc(itervalues, "Return an iterator over the values of a dictionary.")
+_add_doc(iteritems,
+         "Return an iterator over the (key, value) pairs of a dictionary.")
+_add_doc(iterlists,
+         "Return an iterator over the (key, [values]) pairs of a dictionary.")
+
+
+if PY3:
+    def b(s):
+        return s.encode("latin-1")
+
+    def u(s):
+        return s
+    unichr = chr
+    import struct
+    int2byte = struct.Struct(">B").pack
+    del struct
+    byte2int = operator.itemgetter(0)
+    indexbytes = operator.getitem
+    iterbytes = iter
+    import io
+    StringIO = io.StringIO
+    BytesIO = io.BytesIO
+    del io
+    _assertCountEqual = "assertCountEqual"
+    if sys.version_info[1] <= 1:
+        _assertRaisesRegex = "assertRaisesRegexp"
+        _assertRegex = "assertRegexpMatches"
+        _assertNotRegex = "assertNotRegexpMatches"
+    else:
+        _assertRaisesRegex = "assertRaisesRegex"
+        _assertRegex = "assertRegex"
+        _assertNotRegex = "assertNotRegex"
+else:
+    def b(s):
+        return s
+    # Workaround for standalone backslash
+
+    def u(s):
+        return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape")
+    unichr = unichr
+    int2byte = chr
+
+    def byte2int(bs):
+        return ord(bs[0])
+
+    def indexbytes(buf, i):
+        return ord(buf[i])
+    iterbytes = functools.partial(itertools.imap, ord)
+    import StringIO
+    StringIO = BytesIO = StringIO.StringIO
+    _assertCountEqual = "assertItemsEqual"
+    _assertRaisesRegex = "assertRaisesRegexp"
+    _assertRegex = "assertRegexpMatches"
+    _assertNotRegex = "assertNotRegexpMatches"
+_add_doc(b, """Byte literal""")
+_add_doc(u, """Text literal""")
+
+
+def assertCountEqual(self, *args, **kwargs):
+    return getattr(self, _assertCountEqual)(*args, **kwargs)
+
+
+def assertRaisesRegex(self, *args, **kwargs):
+    return getattr(self, _assertRaisesRegex)(*args, **kwargs)
+
+
+def assertRegex(self, *args, **kwargs):
+    return getattr(self, _assertRegex)(*args, **kwargs)
+
+
+def assertNotRegex(self, *args, **kwargs):
+    return getattr(self, _assertNotRegex)(*args, **kwargs)
+
+
+if PY3:
+    exec_ = getattr(moves.builtins, "exec")
+
+    def reraise(tp, value, tb=None):
+        try:
+            if value is None:
+                value = tp()
+            if value.__traceback__ is not tb:
+                raise value.with_traceback(tb)
+            raise value
+        finally:
+            value = None
+            tb = None
+
+else:
+    def exec_(_code_, _globs_=None, _locs_=None):
+        """Execute code in a namespace."""
+        if _globs_ is None:
+            frame = sys._getframe(1)
+            _globs_ = frame.f_globals
+            if _locs_ is None:
+                _locs_ = frame.f_locals
+            del frame
+        elif _locs_ is None:
+            _locs_ = _globs_
+        exec("""exec _code_ in _globs_, _locs_""")
+
+    exec_("""def reraise(tp, value, tb=None):
+    try:
+        raise tp, value, tb
+    finally:
+        tb = None
+""")
+
+
+if sys.version_info[:2] > (3,):
+    exec_("""def raise_from(value, from_value):
+    try:
+        raise value from from_value
+    finally:
+        value = None
+""")
+else:
+    def raise_from(value, from_value):
+        raise value
+
+
+print_ = getattr(moves.builtins, "print", None)
+if print_ is None:
+    def print_(*args, **kwargs):
+        """The new-style print function for Python 2.4 and 2.5."""
+        fp = kwargs.pop("file", sys.stdout)
+        if fp is None:
+            return
+
+        def write(data):
+            if not isinstance(data, basestring):
+                data = str(data)
+            # If the file has an encoding, encode unicode with it.
+            if (isinstance(fp, file) and
+                    isinstance(data, unicode) and
+                    fp.encoding is not None):
+                errors = getattr(fp, "errors", None)
+                if errors is None:
+                    errors = "strict"
+                data = data.encode(fp.encoding, errors)
+            fp.write(data)
+        want_unicode = False
+        sep = kwargs.pop("sep", None)
+        if sep is not None:
+            if isinstance(sep, unicode):
+                want_unicode = True
+            elif not isinstance(sep, str):
+                raise TypeError("sep must be None or a string")
+        end = kwargs.pop("end", None)
+        if end is not None:
+            if isinstance(end, unicode):
+                want_unicode = True
+            elif not isinstance(end, str):
+                raise TypeError("end must be None or a string")
+        if kwargs:
+            raise TypeError("invalid keyword arguments to print()")
+        if not want_unicode:
+            for arg in args:
+                if isinstance(arg, unicode):
+                    want_unicode = True
+                    break
+        if want_unicode:
+            newline = unicode("\n")
+            space = unicode(" ")
+        else:
+            newline = "\n"
+            space = " "
+        if sep is None:
+            sep = space
+        if end is None:
+            end = newline
+        for i, arg in enumerate(args):
+            if i:
+                write(sep)
+            write(arg)
+        write(end)
+if sys.version_info[:2] < (3, 3):
+    _print = print_
+
+    def print_(*args, **kwargs):
+        fp = kwargs.get("file", sys.stdout)
+        flush = kwargs.pop("flush", False)
+        _print(*args, **kwargs)
+        if flush and fp is not None:
+            fp.flush()
+
+_add_doc(reraise, """Reraise an exception.""")
+
+if sys.version_info[0:2] < (3, 4):
+    # This does exactly the same what the :func:`py3:functools.update_wrapper`
+    # function does on Python versions after 3.2. It sets the ``__wrapped__``
+    # attribute on ``wrapper`` object and it doesn't raise an error if any of
+    # the attributes mentioned in ``assigned`` and ``updated`` are missing on
+    # ``wrapped`` object.
+    def _update_wrapper(wrapper, wrapped,
+                        assigned=functools.WRAPPER_ASSIGNMENTS,
+                        updated=functools.WRAPPER_UPDATES):
+        for attr in assigned:
+            try:
+                value = getattr(wrapped, attr)
+            except AttributeError:
+                continue
+            else:
+                setattr(wrapper, attr, value)
+        for attr in updated:
+            getattr(wrapper, attr).update(getattr(wrapped, attr, {}))
+        wrapper.__wrapped__ = wrapped
+        return wrapper
+    _update_wrapper.__doc__ = functools.update_wrapper.__doc__
+
+    def wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS,
+              updated=functools.WRAPPER_UPDATES):
+        return functools.partial(_update_wrapper, wrapped=wrapped,
+                                 assigned=assigned, updated=updated)
+    wraps.__doc__ = functools.wraps.__doc__
+
+else:
+    wraps = functools.wraps
+
+
+def with_metaclass(meta, *bases):
+    """Create a base class with a metaclass."""
+    # This requires a bit of explanation: the basic idea is to make a dummy
+    # metaclass for one level of class instantiation that replaces itself with
+    # the actual metaclass.
+    class metaclass(type):
+
+        def __new__(cls, name, this_bases, d):
+            if sys.version_info[:2] >= (3, 7):
+                # This version introduced PEP 560 that requires a bit
+                # of extra care (we mimic what is done by __build_class__).
+                resolved_bases = types.resolve_bases(bases)
+                if resolved_bases is not bases:
+                    d['__orig_bases__'] = bases
+            else:
+                resolved_bases = bases
+            return meta(name, resolved_bases, d)
+
+        @classmethod
+        def __prepare__(cls, name, this_bases):
+            return meta.__prepare__(name, bases)
+    return type.__new__(metaclass, 'temporary_class', (), {})
+
+
+def add_metaclass(metaclass):
+    """Class decorator for creating a class with a metaclass."""
+    def wrapper(cls):
+        orig_vars = cls.__dict__.copy()
+        slots = orig_vars.get('__slots__')
+        if slots is not None:
+            if isinstance(slots, str):
+                slots = [slots]
+            for slots_var in slots:
+                orig_vars.pop(slots_var)
+        orig_vars.pop('__dict__', None)
+        orig_vars.pop('__weakref__', None)
+        if hasattr(cls, '__qualname__'):
+            orig_vars['__qualname__'] = cls.__qualname__
+        return metaclass(cls.__name__, cls.__bases__, orig_vars)
+    return wrapper
+
+
+def ensure_binary(s, encoding='utf-8', errors='strict'):
+    """Coerce **s** to six.binary_type.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> encoded to `bytes`
+      - `bytes` -> `bytes`
+    """
+    if isinstance(s, binary_type):
+        return s
+    if isinstance(s, text_type):
+        return s.encode(encoding, errors)
+    raise TypeError("not expecting type '%s'" % type(s))
+
+
+def ensure_str(s, encoding='utf-8', errors='strict'):
+    """Coerce *s* to `str`.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    # Optimization: Fast return for the common case.
+    if type(s) is str:
+        return s
+    if PY2 and isinstance(s, text_type):
+        return s.encode(encoding, errors)
+    elif PY3 and isinstance(s, binary_type):
+        return s.decode(encoding, errors)
+    elif not isinstance(s, (text_type, binary_type)):
+        raise TypeError("not expecting type '%s'" % type(s))
+    return s
+
+
+def ensure_text(s, encoding='utf-8', errors='strict'):
+    """Coerce *s* to six.text_type.
+
+    For Python 2:
+      - `unicode` -> `unicode`
+      - `str` -> `unicode`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    if isinstance(s, binary_type):
+        return s.decode(encoding, errors)
+    elif isinstance(s, text_type):
+        return s
+    else:
+        raise TypeError("not expecting type '%s'" % type(s))
+
+
+def python_2_unicode_compatible(klass):
+    """
+    A class decorator that defines __unicode__ and __str__ methods under Python 2.
+    Under Python 3 it does nothing.
+
+    To support Python 2 and 3 with a single code base, define a __str__ method
+    returning text and apply this decorator to the class.
+    """
+    if PY2:
+        if '__str__' not in klass.__dict__:
+            raise ValueError("@python_2_unicode_compatible cannot be applied "
+                             "to %s because it doesn't define __str__()." %
+                             klass.__name__)
+        klass.__unicode__ = klass.__str__
+        klass.__str__ = lambda self: self.__unicode__().encode('utf-8')
+    return klass
+
+
+# Complete the moves implementation.
+# This code is at the end of this module to speed up module loading.
+# Turn this module into a package.
+__path__ = []  # required for PEP 302 and PEP 451
+__package__ = __name__  # see PEP 366 @ReservedAssignment
+if globals().get("__spec__") is not None:
+    __spec__.submodule_search_locations = []  # PEP 451 @UndefinedVariable
+# Remove other six meta path importers, since they cause problems. This can
+# happen if six is removed from sys.modules and then reloaded. (Setuptools does
+# this for some reason.)
+if sys.meta_path:
+    for i, importer in enumerate(sys.meta_path):
+        # Here's some real nastiness: Another "instance" of the six module might
+        # be floating around. Therefore, we can't use isinstance() to check for
+        # the six meta path importer, since the other six instance will have
+        # inserted an importer with different class.
+        if (type(importer).__name__ == "_SixMetaPathImporter" and
+                importer.name == __name__):
+            del sys.meta_path[i]
+            break
+    del i, importer
+# Finally, add the importer to the meta path import hook.
+sys.meta_path.append(_importer)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/__init__.py
new file mode 100644
index 00000000..4f1603ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/__init__.py
@@ -0,0 +1,608 @@
+# Copyright 2016-2018 Julien Danjou
+# Copyright 2017 Elisey Zanko
+# Copyright 2016 Étienne Bersac
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import functools
+import sys
+import threading
+import time
+import typing as t
+import warnings
+from abc import ABC, abstractmethod
+from concurrent import futures
+from inspect import iscoroutinefunction
+
+# Import all built-in retry strategies for easier usage.
+from .retry import retry_base  # noqa
+from .retry import retry_all  # noqa
+from .retry import retry_always  # noqa
+from .retry import retry_any  # noqa
+from .retry import retry_if_exception  # noqa
+from .retry import retry_if_exception_type  # noqa
+from .retry import retry_if_exception_cause_type  # noqa
+from .retry import retry_if_not_exception_type  # noqa
+from .retry import retry_if_not_result  # noqa
+from .retry import retry_if_result  # noqa
+from .retry import retry_never  # noqa
+from .retry import retry_unless_exception_type  # noqa
+from .retry import retry_if_exception_message  # noqa
+from .retry import retry_if_not_exception_message  # noqa
+
+# Import all nap strategies for easier usage.
+from .nap import sleep  # noqa
+from .nap import sleep_using_event  # noqa
+
+# Import all built-in stop strategies for easier usage.
+from .stop import stop_after_attempt  # noqa
+from .stop import stop_after_delay  # noqa
+from .stop import stop_all  # noqa
+from .stop import stop_any  # noqa
+from .stop import stop_never  # noqa
+from .stop import stop_when_event_set  # noqa
+
+# Import all built-in wait strategies for easier usage.
+from .wait import wait_chain  # noqa
+from .wait import wait_combine  # noqa
+from .wait import wait_exponential  # noqa
+from .wait import wait_fixed  # noqa
+from .wait import wait_incrementing  # noqa
+from .wait import wait_none  # noqa
+from .wait import wait_random  # noqa
+from .wait import wait_random_exponential  # noqa
+from .wait import wait_random_exponential as wait_full_jitter  # noqa
+from .wait import wait_exponential_jitter  # noqa
+
+# Import all built-in before strategies for easier usage.
+from .before import before_log  # noqa
+from .before import before_nothing  # noqa
+
+# Import all built-in after strategies for easier usage.
+from .after import after_log  # noqa
+from .after import after_nothing  # noqa
+
+# Import all built-in after strategies for easier usage.
+from .before_sleep import before_sleep_log  # noqa
+from .before_sleep import before_sleep_nothing  # noqa
+
+# Replace a conditional import with a hard-coded None so that pip does
+# not attempt to use tornado even if it is present in the environment.
+# If tornado is non-None, tenacity will attempt to execute some code
+# that is sensitive to the version of tornado, which could break pip
+# if an old version is found.
+tornado = None  # type: ignore
+
+if t.TYPE_CHECKING:
+    import types
+
+    from .retry import RetryBaseT
+    from .stop import StopBaseT
+    from .wait import WaitBaseT
+
+
+WrappedFnReturnT = t.TypeVar("WrappedFnReturnT")
+WrappedFn = t.TypeVar("WrappedFn", bound=t.Callable[..., t.Any])
+
+
+class TryAgain(Exception):
+    """Always retry the executed function when raised."""
+
+
+NO_RESULT = object()
+
+
+class DoAttempt:
+    pass
+
+
+class DoSleep(float):
+    pass
+
+
+class BaseAction:
+    """Base class for representing actions to take by retry object.
+
+    Concrete implementations must define:
+    - __init__: to initialize all necessary fields
+    - REPR_FIELDS: class variable specifying attributes to include in repr(self)
+    - NAME: for identification in retry object methods and callbacks
+    """
+
+    REPR_FIELDS: t.Sequence[str] = ()
+    NAME: t.Optional[str] = None
+
+    def __repr__(self) -> str:
+        state_str = ", ".join(f"{field}={getattr(self, field)!r}" for field in self.REPR_FIELDS)
+        return f"{self.__class__.__name__}({state_str})"
+
+    def __str__(self) -> str:
+        return repr(self)
+
+
+class RetryAction(BaseAction):
+    REPR_FIELDS = ("sleep",)
+    NAME = "retry"
+
+    def __init__(self, sleep: t.SupportsFloat) -> None:
+        self.sleep = float(sleep)
+
+
+_unset = object()
+
+
+def _first_set(first: t.Union[t.Any, object], second: t.Any) -> t.Any:
+    return second if first is _unset else first
+
+
+class RetryError(Exception):
+    """Encapsulates the last attempt instance right before giving up."""
+
+    def __init__(self, last_attempt: "Future") -> None:
+        self.last_attempt = last_attempt
+        super().__init__(last_attempt)
+
+    def reraise(self) -> "t.NoReturn":
+        if self.last_attempt.failed:
+            raise self.last_attempt.result()
+        raise self
+
+    def __str__(self) -> str:
+        return f"{self.__class__.__name__}[{self.last_attempt}]"
+
+
+class AttemptManager:
+    """Manage attempt context."""
+
+    def __init__(self, retry_state: "RetryCallState"):
+        self.retry_state = retry_state
+
+    def __enter__(self) -> None:
+        pass
+
+    def __exit__(
+        self,
+        exc_type: t.Optional[t.Type[BaseException]],
+        exc_value: t.Optional[BaseException],
+        traceback: t.Optional["types.TracebackType"],
+    ) -> t.Optional[bool]:
+        if exc_type is not None and exc_value is not None:
+            self.retry_state.set_exception((exc_type, exc_value, traceback))
+            return True  # Swallow exception.
+        else:
+            # We don't have the result, actually.
+            self.retry_state.set_result(None)
+            return None
+
+
+class BaseRetrying(ABC):
+    def __init__(
+        self,
+        sleep: t.Callable[[t.Union[int, float]], None] = sleep,
+        stop: "StopBaseT" = stop_never,
+        wait: "WaitBaseT" = wait_none(),
+        retry: "RetryBaseT" = retry_if_exception_type(),
+        before: t.Callable[["RetryCallState"], None] = before_nothing,
+        after: t.Callable[["RetryCallState"], None] = after_nothing,
+        before_sleep: t.Optional[t.Callable[["RetryCallState"], None]] = None,
+        reraise: bool = False,
+        retry_error_cls: t.Type[RetryError] = RetryError,
+        retry_error_callback: t.Optional[t.Callable[["RetryCallState"], t.Any]] = None,
+    ):
+        self.sleep = sleep
+        self.stop = stop
+        self.wait = wait
+        self.retry = retry
+        self.before = before
+        self.after = after
+        self.before_sleep = before_sleep
+        self.reraise = reraise
+        self._local = threading.local()
+        self.retry_error_cls = retry_error_cls
+        self.retry_error_callback = retry_error_callback
+
+    def copy(
+        self,
+        sleep: t.Union[t.Callable[[t.Union[int, float]], None], object] = _unset,
+        stop: t.Union["StopBaseT", object] = _unset,
+        wait: t.Union["WaitBaseT", object] = _unset,
+        retry: t.Union[retry_base, object] = _unset,
+        before: t.Union[t.Callable[["RetryCallState"], None], object] = _unset,
+        after: t.Union[t.Callable[["RetryCallState"], None], object] = _unset,
+        before_sleep: t.Union[t.Optional[t.Callable[["RetryCallState"], None]], object] = _unset,
+        reraise: t.Union[bool, object] = _unset,
+        retry_error_cls: t.Union[t.Type[RetryError], object] = _unset,
+        retry_error_callback: t.Union[t.Optional[t.Callable[["RetryCallState"], t.Any]], object] = _unset,
+    ) -> "BaseRetrying":
+        """Copy this object with some parameters changed if needed."""
+        return self.__class__(
+            sleep=_first_set(sleep, self.sleep),
+            stop=_first_set(stop, self.stop),
+            wait=_first_set(wait, self.wait),
+            retry=_first_set(retry, self.retry),
+            before=_first_set(before, self.before),
+            after=_first_set(after, self.after),
+            before_sleep=_first_set(before_sleep, self.before_sleep),
+            reraise=_first_set(reraise, self.reraise),
+            retry_error_cls=_first_set(retry_error_cls, self.retry_error_cls),
+            retry_error_callback=_first_set(retry_error_callback, self.retry_error_callback),
+        )
+
+    def __repr__(self) -> str:
+        return (
+            f"<{self.__class__.__name__} object at 0x{id(self):x} ("
+            f"stop={self.stop}, "
+            f"wait={self.wait}, "
+            f"sleep={self.sleep}, "
+            f"retry={self.retry}, "
+            f"before={self.before}, "
+            f"after={self.after})>"
+        )
+
+    @property
+    def statistics(self) -> t.Dict[str, t.Any]:
+        """Return a dictionary of runtime statistics.
+
+        This dictionary will be empty when the controller has never been
+        ran. When it is running or has ran previously it should have (but
+        may not) have useful and/or informational keys and values when
+        running is underway and/or completed.
+
+        .. warning:: The keys in this dictionary **should** be some what
+                     stable (not changing), but there existence **may**
+                     change between major releases as new statistics are
+                     gathered or removed so before accessing keys ensure that
+                     they actually exist and handle when they do not.
+
+        .. note:: The values in this dictionary are local to the thread
+                  running call (so if multiple threads share the same retrying
+                  object - either directly or indirectly) they will each have
+                  there own view of statistics they have collected (in the
+                  future we may provide a way to aggregate the various
+                  statistics from each thread).
+        """
+        try:
+            return self._local.statistics  # type: ignore[no-any-return]
+        except AttributeError:
+            self._local.statistics = t.cast(t.Dict[str, t.Any], {})
+            return self._local.statistics
+
+    def wraps(self, f: WrappedFn) -> WrappedFn:
+        """Wrap a function for retrying.
+
+        :param f: A function to wraps for retrying.
+        """
+
+        @functools.wraps(f)
+        def wrapped_f(*args: t.Any, **kw: t.Any) -> t.Any:
+            return self(f, *args, **kw)
+
+        def retry_with(*args: t.Any, **kwargs: t.Any) -> WrappedFn:
+            return self.copy(*args, **kwargs).wraps(f)
+
+        wrapped_f.retry = self  # type: ignore[attr-defined]
+        wrapped_f.retry_with = retry_with  # type: ignore[attr-defined]
+
+        return wrapped_f  # type: ignore[return-value]
+
+    def begin(self) -> None:
+        self.statistics.clear()
+        self.statistics["start_time"] = time.monotonic()
+        self.statistics["attempt_number"] = 1
+        self.statistics["idle_for"] = 0
+
+    def iter(self, retry_state: "RetryCallState") -> t.Union[DoAttempt, DoSleep, t.Any]:  # noqa
+        fut = retry_state.outcome
+        if fut is None:
+            if self.before is not None:
+                self.before(retry_state)
+            return DoAttempt()
+
+        is_explicit_retry = fut.failed and isinstance(fut.exception(), TryAgain)
+        if not (is_explicit_retry or self.retry(retry_state)):
+            return fut.result()
+
+        if self.after is not None:
+            self.after(retry_state)
+
+        self.statistics["delay_since_first_attempt"] = retry_state.seconds_since_start
+        if self.stop(retry_state):
+            if self.retry_error_callback:
+                return self.retry_error_callback(retry_state)
+            retry_exc = self.retry_error_cls(fut)
+            if self.reraise:
+                raise retry_exc.reraise()
+            raise retry_exc from fut.exception()
+
+        if self.wait:
+            sleep = self.wait(retry_state)
+        else:
+            sleep = 0.0
+        retry_state.next_action = RetryAction(sleep)
+        retry_state.idle_for += sleep
+        self.statistics["idle_for"] += sleep
+        self.statistics["attempt_number"] += 1
+
+        if self.before_sleep is not None:
+            self.before_sleep(retry_state)
+
+        return DoSleep(sleep)
+
+    def __iter__(self) -> t.Generator[AttemptManager, None, None]:
+        self.begin()
+
+        retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                yield AttemptManager(retry_state=retry_state)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                self.sleep(do)
+            else:
+                break
+
+    @abstractmethod
+    def __call__(
+        self,
+        fn: t.Callable[..., WrappedFnReturnT],
+        *args: t.Any,
+        **kwargs: t.Any,
+    ) -> WrappedFnReturnT:
+        pass
+
+
+class Retrying(BaseRetrying):
+    """Retrying controller."""
+
+    def __call__(
+        self,
+        fn: t.Callable[..., WrappedFnReturnT],
+        *args: t.Any,
+        **kwargs: t.Any,
+    ) -> WrappedFnReturnT:
+        self.begin()
+
+        retry_state = RetryCallState(retry_object=self, fn=fn, args=args, kwargs=kwargs)
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                try:
+                    result = fn(*args, **kwargs)
+                except BaseException:  # noqa: B902
+                    retry_state.set_exception(sys.exc_info())  # type: ignore[arg-type]
+                else:
+                    retry_state.set_result(result)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                self.sleep(do)
+            else:
+                return do  # type: ignore[no-any-return]
+
+
+if sys.version_info[1] >= 9:
+    FutureGenericT = futures.Future[t.Any]
+else:
+    FutureGenericT = futures.Future
+
+
+class Future(FutureGenericT):
+    """Encapsulates a (future or past) attempted call to a target function."""
+
+    def __init__(self, attempt_number: int) -> None:
+        super().__init__()
+        self.attempt_number = attempt_number
+
+    @property
+    def failed(self) -> bool:
+        """Return whether a exception is being held in this future."""
+        return self.exception() is not None
+
+    @classmethod
+    def construct(cls, attempt_number: int, value: t.Any, has_exception: bool) -> "Future":
+        """Construct a new Future object."""
+        fut = cls(attempt_number)
+        if has_exception:
+            fut.set_exception(value)
+        else:
+            fut.set_result(value)
+        return fut
+
+
+class RetryCallState:
+    """State related to a single call wrapped with Retrying."""
+
+    def __init__(
+        self,
+        retry_object: BaseRetrying,
+        fn: t.Optional[WrappedFn],
+        args: t.Any,
+        kwargs: t.Any,
+    ) -> None:
+        #: Retry call start timestamp
+        self.start_time = time.monotonic()
+        #: Retry manager object
+        self.retry_object = retry_object
+        #: Function wrapped by this retry call
+        self.fn = fn
+        #: Arguments of the function wrapped by this retry call
+        self.args = args
+        #: Keyword arguments of the function wrapped by this retry call
+        self.kwargs = kwargs
+
+        #: The number of the current attempt
+        self.attempt_number: int = 1
+        #: Last outcome (result or exception) produced by the function
+        self.outcome: t.Optional[Future] = None
+        #: Timestamp of the last outcome
+        self.outcome_timestamp: t.Optional[float] = None
+        #: Time spent sleeping in retries
+        self.idle_for: float = 0.0
+        #: Next action as decided by the retry manager
+        self.next_action: t.Optional[RetryAction] = None
+
+    @property
+    def seconds_since_start(self) -> t.Optional[float]:
+        if self.outcome_timestamp is None:
+            return None
+        return self.outcome_timestamp - self.start_time
+
+    def prepare_for_next_attempt(self) -> None:
+        self.outcome = None
+        self.outcome_timestamp = None
+        self.attempt_number += 1
+        self.next_action = None
+
+    def set_result(self, val: t.Any) -> None:
+        ts = time.monotonic()
+        fut = Future(self.attempt_number)
+        fut.set_result(val)
+        self.outcome, self.outcome_timestamp = fut, ts
+
+    def set_exception(
+        self, exc_info: t.Tuple[t.Type[BaseException], BaseException, "types.TracebackType| None"]
+    ) -> None:
+        ts = time.monotonic()
+        fut = Future(self.attempt_number)
+        fut.set_exception(exc_info[1])
+        self.outcome, self.outcome_timestamp = fut, ts
+
+    def __repr__(self) -> str:
+        if self.outcome is None:
+            result = "none yet"
+        elif self.outcome.failed:
+            exception = self.outcome.exception()
+            result = f"failed ({exception.__class__.__name__} {exception})"
+        else:
+            result = f"returned {self.outcome.result()}"
+
+        slept = float(round(self.idle_for, 2))
+        clsname = self.__class__.__name__
+        return f"<{clsname} {id(self)}: attempt #{self.attempt_number}; slept for {slept}; last result: {result}>"
+
+
+@t.overload
+def retry(func: WrappedFn) -> WrappedFn:
+    ...
+
+
+@t.overload
+def retry(
+    sleep: t.Callable[[t.Union[int, float]], None] = sleep,
+    stop: "StopBaseT" = stop_never,
+    wait: "WaitBaseT" = wait_none(),
+    retry: "RetryBaseT" = retry_if_exception_type(),
+    before: t.Callable[["RetryCallState"], None] = before_nothing,
+    after: t.Callable[["RetryCallState"], None] = after_nothing,
+    before_sleep: t.Optional[t.Callable[["RetryCallState"], None]] = None,
+    reraise: bool = False,
+    retry_error_cls: t.Type["RetryError"] = RetryError,
+    retry_error_callback: t.Optional[t.Callable[["RetryCallState"], t.Any]] = None,
+) -> t.Callable[[WrappedFn], WrappedFn]:
+    ...
+
+
+def retry(*dargs: t.Any, **dkw: t.Any) -> t.Any:
+    """Wrap a function with a new `Retrying` object.
+
+    :param dargs: positional arguments passed to Retrying object
+    :param dkw: keyword arguments passed to the Retrying object
+    """
+    # support both @retry and @retry() as valid syntax
+    if len(dargs) == 1 and callable(dargs[0]):
+        return retry()(dargs[0])
+    else:
+
+        def wrap(f: WrappedFn) -> WrappedFn:
+            if isinstance(f, retry_base):
+                warnings.warn(
+                    f"Got retry_base instance ({f.__class__.__name__}) as callable argument, "
+                    f"this will probably hang indefinitely (did you mean retry={f.__class__.__name__}(...)?)"
+                )
+            r: "BaseRetrying"
+            if iscoroutinefunction(f):
+                r = AsyncRetrying(*dargs, **dkw)
+            elif tornado and hasattr(tornado.gen, "is_coroutine_function") and tornado.gen.is_coroutine_function(f):
+                r = TornadoRetrying(*dargs, **dkw)
+            else:
+                r = Retrying(*dargs, **dkw)
+
+            return r.wraps(f)
+
+        return wrap
+
+
+from pip._vendor.tenacity._asyncio import AsyncRetrying  # noqa:E402,I100
+
+if tornado:
+    from pip._vendor.tenacity.tornadoweb import TornadoRetrying
+
+
+__all__ = [
+    "retry_base",
+    "retry_all",
+    "retry_always",
+    "retry_any",
+    "retry_if_exception",
+    "retry_if_exception_type",
+    "retry_if_exception_cause_type",
+    "retry_if_not_exception_type",
+    "retry_if_not_result",
+    "retry_if_result",
+    "retry_never",
+    "retry_unless_exception_type",
+    "retry_if_exception_message",
+    "retry_if_not_exception_message",
+    "sleep",
+    "sleep_using_event",
+    "stop_after_attempt",
+    "stop_after_delay",
+    "stop_all",
+    "stop_any",
+    "stop_never",
+    "stop_when_event_set",
+    "wait_chain",
+    "wait_combine",
+    "wait_exponential",
+    "wait_fixed",
+    "wait_incrementing",
+    "wait_none",
+    "wait_random",
+    "wait_random_exponential",
+    "wait_full_jitter",
+    "wait_exponential_jitter",
+    "before_log",
+    "before_nothing",
+    "after_log",
+    "after_nothing",
+    "before_sleep_log",
+    "before_sleep_nothing",
+    "retry",
+    "WrappedFn",
+    "TryAgain",
+    "NO_RESULT",
+    "DoAttempt",
+    "DoSleep",
+    "BaseAction",
+    "RetryAction",
+    "RetryError",
+    "AttemptManager",
+    "BaseRetrying",
+    "Retrying",
+    "Future",
+    "RetryCallState",
+    "AsyncRetrying",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/_asyncio.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/_asyncio.py
new file mode 100644
index 00000000..2e50cd7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/_asyncio.py
@@ -0,0 +1,94 @@
+# Copyright 2016 Étienne Bersac
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import functools
+import sys
+import typing as t
+from asyncio import sleep
+
+from pip._vendor.tenacity import AttemptManager
+from pip._vendor.tenacity import BaseRetrying
+from pip._vendor.tenacity import DoAttempt
+from pip._vendor.tenacity import DoSleep
+from pip._vendor.tenacity import RetryCallState
+
+WrappedFnReturnT = t.TypeVar("WrappedFnReturnT")
+WrappedFn = t.TypeVar("WrappedFn", bound=t.Callable[..., t.Awaitable[t.Any]])
+
+
+class AsyncRetrying(BaseRetrying):
+    sleep: t.Callable[[float], t.Awaitable[t.Any]]
+
+    def __init__(self, sleep: t.Callable[[float], t.Awaitable[t.Any]] = sleep, **kwargs: t.Any) -> None:
+        super().__init__(**kwargs)
+        self.sleep = sleep
+
+    async def __call__(  # type: ignore[override]
+        self, fn: WrappedFn, *args: t.Any, **kwargs: t.Any
+    ) -> WrappedFnReturnT:
+        self.begin()
+
+        retry_state = RetryCallState(retry_object=self, fn=fn, args=args, kwargs=kwargs)
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                try:
+                    result = await fn(*args, **kwargs)
+                except BaseException:  # noqa: B902
+                    retry_state.set_exception(sys.exc_info())  # type: ignore[arg-type]
+                else:
+                    retry_state.set_result(result)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                await self.sleep(do)
+            else:
+                return do  # type: ignore[no-any-return]
+
+    def __iter__(self) -> t.Generator[AttemptManager, None, None]:
+        raise TypeError("AsyncRetrying object is not iterable")
+
+    def __aiter__(self) -> "AsyncRetrying":
+        self.begin()
+        self._retry_state = RetryCallState(self, fn=None, args=(), kwargs={})
+        return self
+
+    async def __anext__(self) -> AttemptManager:
+        while True:
+            do = self.iter(retry_state=self._retry_state)
+            if do is None:
+                raise StopAsyncIteration
+            elif isinstance(do, DoAttempt):
+                return AttemptManager(retry_state=self._retry_state)
+            elif isinstance(do, DoSleep):
+                self._retry_state.prepare_for_next_attempt()
+                await self.sleep(do)
+            else:
+                raise StopAsyncIteration
+
+    def wraps(self, fn: WrappedFn) -> WrappedFn:
+        fn = super().wraps(fn)
+        # Ensure wrapper is recognized as a coroutine function.
+
+        @functools.wraps(fn)
+        async def async_wrapped(*args: t.Any, **kwargs: t.Any) -> t.Any:
+            return await fn(*args, **kwargs)
+
+        # Preserve attributes
+        async_wrapped.retry = fn.retry  # type: ignore[attr-defined]
+        async_wrapped.retry_with = fn.retry_with  # type: ignore[attr-defined]
+
+        return async_wrapped  # type: ignore[return-value]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/_utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/_utils.py
new file mode 100644
index 00000000..f14ff320
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/_utils.py
@@ -0,0 +1,76 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+import typing
+from datetime import timedelta
+
+
+# sys.maxsize:
+# An integer giving the maximum value a variable of type Py_ssize_t can take.
+MAX_WAIT = sys.maxsize / 2
+
+
+def find_ordinal(pos_num: int) -> str:
+    # See: https://en.wikipedia.org/wiki/English_numerals#Ordinal_numbers
+    if pos_num == 0:
+        return "th"
+    elif pos_num == 1:
+        return "st"
+    elif pos_num == 2:
+        return "nd"
+    elif pos_num == 3:
+        return "rd"
+    elif 4 <= pos_num <= 20:
+        return "th"
+    else:
+        return find_ordinal(pos_num % 10)
+
+
+def to_ordinal(pos_num: int) -> str:
+    return f"{pos_num}{find_ordinal(pos_num)}"
+
+
+def get_callback_name(cb: typing.Callable[..., typing.Any]) -> str:
+    """Get a callback fully-qualified name.
+
+    If no name can be produced ``repr(cb)`` is called and returned.
+    """
+    segments = []
+    try:
+        segments.append(cb.__qualname__)
+    except AttributeError:
+        try:
+            segments.append(cb.__name__)
+        except AttributeError:
+            pass
+    if not segments:
+        return repr(cb)
+    else:
+        try:
+            # When running under sphinx it appears this can be none?
+            if cb.__module__:
+                segments.insert(0, cb.__module__)
+        except AttributeError:
+            pass
+        return ".".join(segments)
+
+
+time_unit_type = typing.Union[int, float, timedelta]
+
+
+def to_seconds(time_unit: time_unit_type) -> float:
+    return float(time_unit.total_seconds() if isinstance(time_unit, timedelta) else time_unit)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/after.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/after.py
new file mode 100644
index 00000000..574c9bce
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/after.py
@@ -0,0 +1,51 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    import logging
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+def after_nothing(retry_state: "RetryCallState") -> None:
+    """After call strategy that does nothing."""
+
+
+def after_log(
+    logger: "logging.Logger",
+    log_level: int,
+    sec_format: str = "%0.3f",
+) -> typing.Callable[["RetryCallState"], None]:
+    """After call strategy that logs to some logger the finished attempt."""
+
+    def log_it(retry_state: "RetryCallState") -> None:
+        if retry_state.fn is None:
+            # NOTE(sileht): can't really happen, but we must please mypy
+            fn_name = "<unknown>"
+        else:
+            fn_name = _utils.get_callback_name(retry_state.fn)
+        logger.log(
+            log_level,
+            f"Finished call to '{fn_name}' "
+            f"after {sec_format % retry_state.seconds_since_start}(s), "
+            f"this was the {_utils.to_ordinal(retry_state.attempt_number)} time calling it.",
+        )
+
+    return log_it
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/before.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/before.py
new file mode 100644
index 00000000..cfd7dc72
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/before.py
@@ -0,0 +1,46 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    import logging
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+def before_nothing(retry_state: "RetryCallState") -> None:
+    """Before call strategy that does nothing."""
+
+
+def before_log(logger: "logging.Logger", log_level: int) -> typing.Callable[["RetryCallState"], None]:
+    """Before call strategy that logs to some logger the attempt."""
+
+    def log_it(retry_state: "RetryCallState") -> None:
+        if retry_state.fn is None:
+            # NOTE(sileht): can't really happen, but we must please mypy
+            fn_name = "<unknown>"
+        else:
+            fn_name = _utils.get_callback_name(retry_state.fn)
+        logger.log(
+            log_level,
+            f"Starting call to '{fn_name}', "
+            f"this is the {_utils.to_ordinal(retry_state.attempt_number)} time calling it.",
+        )
+
+    return log_it
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/before_sleep.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/before_sleep.py
new file mode 100644
index 00000000..8c6167fb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/before_sleep.py
@@ -0,0 +1,71 @@
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    import logging
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+def before_sleep_nothing(retry_state: "RetryCallState") -> None:
+    """Before call strategy that does nothing."""
+
+
+def before_sleep_log(
+    logger: "logging.Logger",
+    log_level: int,
+    exc_info: bool = False,
+) -> typing.Callable[["RetryCallState"], None]:
+    """Before call strategy that logs to some logger the attempt."""
+
+    def log_it(retry_state: "RetryCallState") -> None:
+        local_exc_info: BaseException | bool | None
+
+        if retry_state.outcome is None:
+            raise RuntimeError("log_it() called before outcome was set")
+
+        if retry_state.next_action is None:
+            raise RuntimeError("log_it() called before next_action was set")
+
+        if retry_state.outcome.failed:
+            ex = retry_state.outcome.exception()
+            verb, value = "raised", f"{ex.__class__.__name__}: {ex}"
+
+            if exc_info:
+                local_exc_info = retry_state.outcome.exception()
+            else:
+                local_exc_info = False
+        else:
+            verb, value = "returned", retry_state.outcome.result()
+            local_exc_info = False  # exc_info does not apply when no exception
+
+        if retry_state.fn is None:
+            # NOTE(sileht): can't really happen, but we must please mypy
+            fn_name = "<unknown>"
+        else:
+            fn_name = _utils.get_callback_name(retry_state.fn)
+
+        logger.log(
+            log_level,
+            f"Retrying {fn_name} " f"in {retry_state.next_action.sleep} seconds as it {verb} {value}.",
+            exc_info=local_exc_info,
+        )
+
+    return log_it
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/nap.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/nap.py
new file mode 100644
index 00000000..72aa5bfd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/nap.py
@@ -0,0 +1,43 @@
+# Copyright 2016 Étienne Bersac
+# Copyright 2016 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import time
+import typing
+
+if typing.TYPE_CHECKING:
+    import threading
+
+
+def sleep(seconds: float) -> None:
+    """
+    Sleep strategy that delays execution for a given number of seconds.
+
+    This is the default strategy, and may be mocked out for unit testing.
+    """
+    time.sleep(seconds)
+
+
+class sleep_using_event:
+    """Sleep strategy that waits on an event to be set."""
+
+    def __init__(self, event: "threading.Event") -> None:
+        self.event = event
+
+    def __call__(self, timeout: typing.Optional[float]) -> None:
+        # NOTE(harlowja): this may *not* actually wait for timeout
+        # seconds if the event is set (ie this may eject out early).
+        self.event.wait(timeout=timeout)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/retry.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/retry.py
new file mode 100644
index 00000000..38988739
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/retry.py
@@ -0,0 +1,272 @@
+# Copyright 2016–2021 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import abc
+import re
+import typing
+
+if typing.TYPE_CHECKING:
+    from pip._vendor.tenacity import RetryCallState
+
+
+class retry_base(abc.ABC):
+    """Abstract base class for retry strategies."""
+
+    @abc.abstractmethod
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        pass
+
+    def __and__(self, other: "retry_base") -> "retry_all":
+        return retry_all(self, other)
+
+    def __or__(self, other: "retry_base") -> "retry_any":
+        return retry_any(self, other)
+
+
+RetryBaseT = typing.Union[retry_base, typing.Callable[["RetryCallState"], bool]]
+
+
+class _retry_never(retry_base):
+    """Retry strategy that never rejects any result."""
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return False
+
+
+retry_never = _retry_never()
+
+
+class _retry_always(retry_base):
+    """Retry strategy that always rejects any result."""
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return True
+
+
+retry_always = _retry_always()
+
+
+class retry_if_exception(retry_base):
+    """Retry strategy that retries if an exception verifies a predicate."""
+
+    def __init__(self, predicate: typing.Callable[[BaseException], bool]) -> None:
+        self.predicate = predicate
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.outcome is None:
+            raise RuntimeError("__call__() called before outcome was set")
+
+        if retry_state.outcome.failed:
+            exception = retry_state.outcome.exception()
+            if exception is None:
+                raise RuntimeError("outcome failed but the exception is None")
+            return self.predicate(exception)
+        else:
+            return False
+
+
+class retry_if_exception_type(retry_if_exception):
+    """Retries if an exception has been raised of one or more types."""
+
+    def __init__(
+        self,
+        exception_types: typing.Union[
+            typing.Type[BaseException],
+            typing.Tuple[typing.Type[BaseException], ...],
+        ] = Exception,
+    ) -> None:
+        self.exception_types = exception_types
+        super().__init__(lambda e: isinstance(e, exception_types))
+
+
+class retry_if_not_exception_type(retry_if_exception):
+    """Retries except an exception has been raised of one or more types."""
+
+    def __init__(
+        self,
+        exception_types: typing.Union[
+            typing.Type[BaseException],
+            typing.Tuple[typing.Type[BaseException], ...],
+        ] = Exception,
+    ) -> None:
+        self.exception_types = exception_types
+        super().__init__(lambda e: not isinstance(e, exception_types))
+
+
+class retry_unless_exception_type(retry_if_exception):
+    """Retries until an exception is raised of one or more types."""
+
+    def __init__(
+        self,
+        exception_types: typing.Union[
+            typing.Type[BaseException],
+            typing.Tuple[typing.Type[BaseException], ...],
+        ] = Exception,
+    ) -> None:
+        self.exception_types = exception_types
+        super().__init__(lambda e: not isinstance(e, exception_types))
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.outcome is None:
+            raise RuntimeError("__call__() called before outcome was set")
+
+        # always retry if no exception was raised
+        if not retry_state.outcome.failed:
+            return True
+
+        exception = retry_state.outcome.exception()
+        if exception is None:
+            raise RuntimeError("outcome failed but the exception is None")
+        return self.predicate(exception)
+
+
+class retry_if_exception_cause_type(retry_base):
+    """Retries if any of the causes of the raised exception is of one or more types.
+
+    The check on the type of the cause of the exception is done recursively (until finding
+    an exception in the chain that has no `__cause__`)
+    """
+
+    def __init__(
+        self,
+        exception_types: typing.Union[
+            typing.Type[BaseException],
+            typing.Tuple[typing.Type[BaseException], ...],
+        ] = Exception,
+    ) -> None:
+        self.exception_cause_types = exception_types
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.outcome is None:
+            raise RuntimeError("__call__ called before outcome was set")
+
+        if retry_state.outcome.failed:
+            exc = retry_state.outcome.exception()
+            while exc is not None:
+                if isinstance(exc.__cause__, self.exception_cause_types):
+                    return True
+                exc = exc.__cause__
+
+        return False
+
+
+class retry_if_result(retry_base):
+    """Retries if the result verifies a predicate."""
+
+    def __init__(self, predicate: typing.Callable[[typing.Any], bool]) -> None:
+        self.predicate = predicate
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.outcome is None:
+            raise RuntimeError("__call__() called before outcome was set")
+
+        if not retry_state.outcome.failed:
+            return self.predicate(retry_state.outcome.result())
+        else:
+            return False
+
+
+class retry_if_not_result(retry_base):
+    """Retries if the result refutes a predicate."""
+
+    def __init__(self, predicate: typing.Callable[[typing.Any], bool]) -> None:
+        self.predicate = predicate
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.outcome is None:
+            raise RuntimeError("__call__() called before outcome was set")
+
+        if not retry_state.outcome.failed:
+            return not self.predicate(retry_state.outcome.result())
+        else:
+            return False
+
+
+class retry_if_exception_message(retry_if_exception):
+    """Retries if an exception message equals or matches."""
+
+    def __init__(
+        self,
+        message: typing.Optional[str] = None,
+        match: typing.Optional[str] = None,
+    ) -> None:
+        if message and match:
+            raise TypeError(f"{self.__class__.__name__}() takes either 'message' or 'match', not both")
+
+        # set predicate
+        if message:
+
+            def message_fnc(exception: BaseException) -> bool:
+                return message == str(exception)
+
+            predicate = message_fnc
+        elif match:
+            prog = re.compile(match)
+
+            def match_fnc(exception: BaseException) -> bool:
+                return bool(prog.match(str(exception)))
+
+            predicate = match_fnc
+        else:
+            raise TypeError(f"{self.__class__.__name__}() missing 1 required argument 'message' or 'match'")
+
+        super().__init__(predicate)
+
+
+class retry_if_not_exception_message(retry_if_exception_message):
+    """Retries until an exception message equals or matches."""
+
+    def __init__(
+        self,
+        message: typing.Optional[str] = None,
+        match: typing.Optional[str] = None,
+    ) -> None:
+        super().__init__(message, match)
+        # invert predicate
+        if_predicate = self.predicate
+        self.predicate = lambda *args_, **kwargs_: not if_predicate(*args_, **kwargs_)
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.outcome is None:
+            raise RuntimeError("__call__() called before outcome was set")
+
+        if not retry_state.outcome.failed:
+            return True
+
+        exception = retry_state.outcome.exception()
+        if exception is None:
+            raise RuntimeError("outcome failed but the exception is None")
+        return self.predicate(exception)
+
+
+class retry_any(retry_base):
+    """Retries if any of the retries condition is valid."""
+
+    def __init__(self, *retries: retry_base) -> None:
+        self.retries = retries
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return any(r(retry_state) for r in self.retries)
+
+
+class retry_all(retry_base):
+    """Retries if all the retries condition are valid."""
+
+    def __init__(self, *retries: retry_base) -> None:
+        self.retries = retries
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return all(r(retry_state) for r in self.retries)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/stop.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/stop.py
new file mode 100644
index 00000000..bb23effd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/stop.py
@@ -0,0 +1,103 @@
+# Copyright 2016–2021 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import abc
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    import threading
+
+    from pip._vendor.tenacity import RetryCallState
+
+
+class stop_base(abc.ABC):
+    """Abstract base class for stop strategies."""
+
+    @abc.abstractmethod
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        pass
+
+    def __and__(self, other: "stop_base") -> "stop_all":
+        return stop_all(self, other)
+
+    def __or__(self, other: "stop_base") -> "stop_any":
+        return stop_any(self, other)
+
+
+StopBaseT = typing.Union[stop_base, typing.Callable[["RetryCallState"], bool]]
+
+
+class stop_any(stop_base):
+    """Stop if any of the stop condition is valid."""
+
+    def __init__(self, *stops: stop_base) -> None:
+        self.stops = stops
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return any(x(retry_state) for x in self.stops)
+
+
+class stop_all(stop_base):
+    """Stop if all the stop conditions are valid."""
+
+    def __init__(self, *stops: stop_base) -> None:
+        self.stops = stops
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return all(x(retry_state) for x in self.stops)
+
+
+class _stop_never(stop_base):
+    """Never stop."""
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return False
+
+
+stop_never = _stop_never()
+
+
+class stop_when_event_set(stop_base):
+    """Stop when the given event is set."""
+
+    def __init__(self, event: "threading.Event") -> None:
+        self.event = event
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return self.event.is_set()
+
+
+class stop_after_attempt(stop_base):
+    """Stop when the previous attempt >= max_attempt."""
+
+    def __init__(self, max_attempt_number: int) -> None:
+        self.max_attempt_number = max_attempt_number
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        return retry_state.attempt_number >= self.max_attempt_number
+
+
+class stop_after_delay(stop_base):
+    """Stop when the time from the first attempt >= limit."""
+
+    def __init__(self, max_delay: _utils.time_unit_type) -> None:
+        self.max_delay = _utils.to_seconds(max_delay)
+
+    def __call__(self, retry_state: "RetryCallState") -> bool:
+        if retry_state.seconds_since_start is None:
+            raise RuntimeError("__call__() called but seconds_since_start is not set")
+        return retry_state.seconds_since_start >= self.max_delay
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/tornadoweb.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/tornadoweb.py
new file mode 100644
index 00000000..e19c30b1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/tornadoweb.py
@@ -0,0 +1,59 @@
+# Copyright 2017 Elisey Zanko
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+import typing
+
+from pip._vendor.tenacity import BaseRetrying
+from pip._vendor.tenacity import DoAttempt
+from pip._vendor.tenacity import DoSleep
+from pip._vendor.tenacity import RetryCallState
+
+from tornado import gen
+
+if typing.TYPE_CHECKING:
+    from tornado.concurrent import Future
+
+_RetValT = typing.TypeVar("_RetValT")
+
+
+class TornadoRetrying(BaseRetrying):
+    def __init__(self, sleep: "typing.Callable[[float], Future[None]]" = gen.sleep, **kwargs: typing.Any) -> None:
+        super().__init__(**kwargs)
+        self.sleep = sleep
+
+    @gen.coroutine  # type: ignore[misc]
+    def __call__(
+        self,
+        fn: "typing.Callable[..., typing.Union[typing.Generator[typing.Any, typing.Any, _RetValT], Future[_RetValT]]]",
+        *args: typing.Any,
+        **kwargs: typing.Any,
+    ) -> "typing.Generator[typing.Any, typing.Any, _RetValT]":
+        self.begin()
+
+        retry_state = RetryCallState(retry_object=self, fn=fn, args=args, kwargs=kwargs)
+        while True:
+            do = self.iter(retry_state=retry_state)
+            if isinstance(do, DoAttempt):
+                try:
+                    result = yield fn(*args, **kwargs)
+                except BaseException:  # noqa: B902
+                    retry_state.set_exception(sys.exc_info())  # type: ignore[arg-type]
+                else:
+                    retry_state.set_result(result)
+            elif isinstance(do, DoSleep):
+                retry_state.prepare_for_next_attempt()
+                yield self.sleep(do)
+            else:
+                raise gen.Return(do)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/wait.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/wait.py
new file mode 100644
index 00000000..f9349c02
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tenacity/wait.py
@@ -0,0 +1,228 @@
+# Copyright 2016–2021 Julien Danjou
+# Copyright 2016 Joshua Harlow
+# Copyright 2013-2014 Ray Holder
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import abc
+import random
+import typing
+
+from pip._vendor.tenacity import _utils
+
+if typing.TYPE_CHECKING:
+    from pip._vendor.tenacity import RetryCallState
+
+
+class wait_base(abc.ABC):
+    """Abstract base class for wait strategies."""
+
+    @abc.abstractmethod
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        pass
+
+    def __add__(self, other: "wait_base") -> "wait_combine":
+        return wait_combine(self, other)
+
+    def __radd__(self, other: "wait_base") -> typing.Union["wait_combine", "wait_base"]:
+        # make it possible to use multiple waits with the built-in sum function
+        if other == 0:  # type: ignore[comparison-overlap]
+            return self
+        return self.__add__(other)
+
+
+WaitBaseT = typing.Union[wait_base, typing.Callable[["RetryCallState"], typing.Union[float, int]]]
+
+
+class wait_fixed(wait_base):
+    """Wait strategy that waits a fixed amount of time between each retry."""
+
+    def __init__(self, wait: _utils.time_unit_type) -> None:
+        self.wait_fixed = _utils.to_seconds(wait)
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        return self.wait_fixed
+
+
+class wait_none(wait_fixed):
+    """Wait strategy that doesn't wait at all before retrying."""
+
+    def __init__(self) -> None:
+        super().__init__(0)
+
+
+class wait_random(wait_base):
+    """Wait strategy that waits a random amount of time between min/max."""
+
+    def __init__(self, min: _utils.time_unit_type = 0, max: _utils.time_unit_type = 1) -> None:  # noqa
+        self.wait_random_min = _utils.to_seconds(min)
+        self.wait_random_max = _utils.to_seconds(max)
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        return self.wait_random_min + (random.random() * (self.wait_random_max - self.wait_random_min))
+
+
+class wait_combine(wait_base):
+    """Combine several waiting strategies."""
+
+    def __init__(self, *strategies: wait_base) -> None:
+        self.wait_funcs = strategies
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        return sum(x(retry_state=retry_state) for x in self.wait_funcs)
+
+
+class wait_chain(wait_base):
+    """Chain two or more waiting strategies.
+
+    If all strategies are exhausted, the very last strategy is used
+    thereafter.
+
+    For example::
+
+        @retry(wait=wait_chain(*[wait_fixed(1) for i in range(3)] +
+                               [wait_fixed(2) for j in range(5)] +
+                               [wait_fixed(5) for k in range(4)))
+        def wait_chained():
+            print("Wait 1s for 3 attempts, 2s for 5 attempts and 5s
+                   thereafter.")
+    """
+
+    def __init__(self, *strategies: wait_base) -> None:
+        self.strategies = strategies
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        wait_func_no = min(max(retry_state.attempt_number, 1), len(self.strategies))
+        wait_func = self.strategies[wait_func_no - 1]
+        return wait_func(retry_state=retry_state)
+
+
+class wait_incrementing(wait_base):
+    """Wait an incremental amount of time after each attempt.
+
+    Starting at a starting value and incrementing by a value for each attempt
+    (and restricting the upper limit to some maximum value).
+    """
+
+    def __init__(
+        self,
+        start: _utils.time_unit_type = 0,
+        increment: _utils.time_unit_type = 100,
+        max: _utils.time_unit_type = _utils.MAX_WAIT,  # noqa
+    ) -> None:
+        self.start = _utils.to_seconds(start)
+        self.increment = _utils.to_seconds(increment)
+        self.max = _utils.to_seconds(max)
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        result = self.start + (self.increment * (retry_state.attempt_number - 1))
+        return max(0, min(result, self.max))
+
+
+class wait_exponential(wait_base):
+    """Wait strategy that applies exponential backoff.
+
+    It allows for a customized multiplier and an ability to restrict the
+    upper and lower limits to some maximum and minimum value.
+
+    The intervals are fixed (i.e. there is no jitter), so this strategy is
+    suitable for balancing retries against latency when a required resource is
+    unavailable for an unknown duration, but *not* suitable for resolving
+    contention between multiple processes for a shared resource. Use
+    wait_random_exponential for the latter case.
+    """
+
+    def __init__(
+        self,
+        multiplier: typing.Union[int, float] = 1,
+        max: _utils.time_unit_type = _utils.MAX_WAIT,  # noqa
+        exp_base: typing.Union[int, float] = 2,
+        min: _utils.time_unit_type = 0,  # noqa
+    ) -> None:
+        self.multiplier = multiplier
+        self.min = _utils.to_seconds(min)
+        self.max = _utils.to_seconds(max)
+        self.exp_base = exp_base
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        try:
+            exp = self.exp_base ** (retry_state.attempt_number - 1)
+            result = self.multiplier * exp
+        except OverflowError:
+            return self.max
+        return max(max(0, self.min), min(result, self.max))
+
+
+class wait_random_exponential(wait_exponential):
+    """Random wait with exponentially widening window.
+
+    An exponential backoff strategy used to mediate contention between multiple
+    uncoordinated processes for a shared resource in distributed systems. This
+    is the sense in which "exponential backoff" is meant in e.g. Ethernet
+    networking, and corresponds to the "Full Jitter" algorithm described in
+    this blog post:
+
+    https://aws.amazon.com/blogs/architecture/exponential-backoff-and-jitter/
+
+    Each retry occurs at a random time in a geometrically expanding interval.
+    It allows for a custom multiplier and an ability to restrict the upper
+    limit of the random interval to some maximum value.
+
+    Example::
+
+        wait_random_exponential(multiplier=0.5,  # initial window 0.5s
+                                max=60)          # max 60s timeout
+
+    When waiting for an unavailable resource to become available again, as
+    opposed to trying to resolve contention for a shared resource, the
+    wait_exponential strategy (which uses a fixed interval) may be preferable.
+
+    """
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        high = super().__call__(retry_state=retry_state)
+        return random.uniform(0, high)
+
+
+class wait_exponential_jitter(wait_base):
+    """Wait strategy that applies exponential backoff and jitter.
+
+    It allows for a customized initial wait, maximum wait and jitter.
+
+    This implements the strategy described here:
+    https://cloud.google.com/storage/docs/retry-strategy
+
+    The wait time is min(initial * 2**n + random.uniform(0, jitter), maximum)
+    where n is the retry count.
+    """
+
+    def __init__(
+        self,
+        initial: float = 1,
+        max: float = _utils.MAX_WAIT,  # noqa
+        exp_base: float = 2,
+        jitter: float = 1,
+    ) -> None:
+        self.initial = initial
+        self.max = max
+        self.exp_base = exp_base
+        self.jitter = jitter
+
+    def __call__(self, retry_state: "RetryCallState") -> float:
+        jitter = random.uniform(0, self.jitter)
+        try:
+            exp = self.exp_base ** (retry_state.attempt_number - 1)
+            result = self.initial * exp + jitter
+        except OverflowError:
+            result = self.max
+        return max(0, min(result, self.max))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/__init__.py
new file mode 100644
index 00000000..4c6ec97e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/__init__.py
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+__all__ = ("loads", "load", "TOMLDecodeError")
+__version__ = "2.0.1"  # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
+
+from ._parser import TOMLDecodeError, load, loads
+
+# Pretend this exception was created here.
+TOMLDecodeError.__module__ = __name__
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_parser.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_parser.py
new file mode 100644
index 00000000..f1bb0aa1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_parser.py
@@ -0,0 +1,691 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+from __future__ import annotations
+
+from collections.abc import Iterable
+import string
+from types import MappingProxyType
+from typing import Any, BinaryIO, NamedTuple
+
+from ._re import (
+    RE_DATETIME,
+    RE_LOCALTIME,
+    RE_NUMBER,
+    match_to_datetime,
+    match_to_localtime,
+    match_to_number,
+)
+from ._types import Key, ParseFloat, Pos
+
+ASCII_CTRL = frozenset(chr(i) for i in range(32)) | frozenset(chr(127))
+
+# Neither of these sets include quotation mark or backslash. They are
+# currently handled as separate cases in the parser functions.
+ILLEGAL_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t")
+ILLEGAL_MULTILINE_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t\n")
+
+ILLEGAL_LITERAL_STR_CHARS = ILLEGAL_BASIC_STR_CHARS
+ILLEGAL_MULTILINE_LITERAL_STR_CHARS = ILLEGAL_MULTILINE_BASIC_STR_CHARS
+
+ILLEGAL_COMMENT_CHARS = ILLEGAL_BASIC_STR_CHARS
+
+TOML_WS = frozenset(" \t")
+TOML_WS_AND_NEWLINE = TOML_WS | frozenset("\n")
+BARE_KEY_CHARS = frozenset(string.ascii_letters + string.digits + "-_")
+KEY_INITIAL_CHARS = BARE_KEY_CHARS | frozenset("\"'")
+HEXDIGIT_CHARS = frozenset(string.hexdigits)
+
+BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
+    {
+        "\\b": "\u0008",  # backspace
+        "\\t": "\u0009",  # tab
+        "\\n": "\u000A",  # linefeed
+        "\\f": "\u000C",  # form feed
+        "\\r": "\u000D",  # carriage return
+        '\\"': "\u0022",  # quote
+        "\\\\": "\u005C",  # backslash
+    }
+)
+
+
+class TOMLDecodeError(ValueError):
+    """An error raised if a document is not valid TOML."""
+
+
+def load(__fp: BinaryIO, *, parse_float: ParseFloat = float) -> dict[str, Any]:
+    """Parse TOML from a binary file object."""
+    b = __fp.read()
+    try:
+        s = b.decode()
+    except AttributeError:
+        raise TypeError(
+            "File must be opened in binary mode, e.g. use `open('foo.toml', 'rb')`"
+        ) from None
+    return loads(s, parse_float=parse_float)
+
+
+def loads(__s: str, *, parse_float: ParseFloat = float) -> dict[str, Any]:  # noqa: C901
+    """Parse TOML from a string."""
+
+    # The spec allows converting "\r\n" to "\n", even in string
+    # literals. Let's do so to simplify parsing.
+    src = __s.replace("\r\n", "\n")
+    pos = 0
+    out = Output(NestedDict(), Flags())
+    header: Key = ()
+    parse_float = make_safe_parse_float(parse_float)
+
+    # Parse one statement at a time
+    # (typically means one line in TOML source)
+    while True:
+        # 1. Skip line leading whitespace
+        pos = skip_chars(src, pos, TOML_WS)
+
+        # 2. Parse rules. Expect one of the following:
+        #    - end of file
+        #    - end of line
+        #    - comment
+        #    - key/value pair
+        #    - append dict to list (and move to its namespace)
+        #    - create dict (and move to its namespace)
+        # Skip trailing whitespace when applicable.
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char == "\n":
+            pos += 1
+            continue
+        if char in KEY_INITIAL_CHARS:
+            pos = key_value_rule(src, pos, out, header, parse_float)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char == "[":
+            try:
+                second_char: str | None = src[pos + 1]
+            except IndexError:
+                second_char = None
+            out.flags.finalize_pending()
+            if second_char == "[":
+                pos, header = create_list_rule(src, pos, out)
+            else:
+                pos, header = create_dict_rule(src, pos, out)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char != "#":
+            raise suffixed_err(src, pos, "Invalid statement")
+
+        # 3. Skip comment
+        pos = skip_comment(src, pos)
+
+        # 4. Expect end of line or end of file
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char != "\n":
+            raise suffixed_err(
+                src, pos, "Expected newline or end of document after a statement"
+            )
+        pos += 1
+
+    return out.data.dict
+
+
+class Flags:
+    """Flags that map to parsed keys/namespaces."""
+
+    # Marks an immutable namespace (inline array or inline table).
+    FROZEN = 0
+    # Marks a nest that has been explicitly created and can no longer
+    # be opened using the "[table]" syntax.
+    EXPLICIT_NEST = 1
+
+    def __init__(self) -> None:
+        self._flags: dict[str, dict] = {}
+        self._pending_flags: set[tuple[Key, int]] = set()
+
+    def add_pending(self, key: Key, flag: int) -> None:
+        self._pending_flags.add((key, flag))
+
+    def finalize_pending(self) -> None:
+        for key, flag in self._pending_flags:
+            self.set(key, flag, recursive=False)
+        self._pending_flags.clear()
+
+    def unset_all(self, key: Key) -> None:
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return
+            cont = cont[k]["nested"]
+        cont.pop(key[-1], None)
+
+    def set(self, key: Key, flag: int, *, recursive: bool) -> None:  # noqa: A003
+        cont = self._flags
+        key_parent, key_stem = key[:-1], key[-1]
+        for k in key_parent:
+            if k not in cont:
+                cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+        if key_stem not in cont:
+            cont[key_stem] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+        cont[key_stem]["recursive_flags" if recursive else "flags"].add(flag)
+
+    def is_(self, key: Key, flag: int) -> bool:
+        if not key:
+            return False  # document root has no flags
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return False
+            inner_cont = cont[k]
+            if flag in inner_cont["recursive_flags"]:
+                return True
+            cont = inner_cont["nested"]
+        key_stem = key[-1]
+        if key_stem in cont:
+            cont = cont[key_stem]
+            return flag in cont["flags"] or flag in cont["recursive_flags"]
+        return False
+
+
+class NestedDict:
+    def __init__(self) -> None:
+        # The parsed content of the TOML document
+        self.dict: dict[str, Any] = {}
+
+    def get_or_create_nest(
+        self,
+        key: Key,
+        *,
+        access_lists: bool = True,
+    ) -> dict:
+        cont: Any = self.dict
+        for k in key:
+            if k not in cont:
+                cont[k] = {}
+            cont = cont[k]
+            if access_lists and isinstance(cont, list):
+                cont = cont[-1]
+            if not isinstance(cont, dict):
+                raise KeyError("There is no nest behind this key")
+        return cont
+
+    def append_nest_to_list(self, key: Key) -> None:
+        cont = self.get_or_create_nest(key[:-1])
+        last_key = key[-1]
+        if last_key in cont:
+            list_ = cont[last_key]
+            if not isinstance(list_, list):
+                raise KeyError("An object other than list found behind this key")
+            list_.append({})
+        else:
+            cont[last_key] = [{}]
+
+
+class Output(NamedTuple):
+    data: NestedDict
+    flags: Flags
+
+
+def skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
+    try:
+        while src[pos] in chars:
+            pos += 1
+    except IndexError:
+        pass
+    return pos
+
+
+def skip_until(
+    src: str,
+    pos: Pos,
+    expect: str,
+    *,
+    error_on: frozenset[str],
+    error_on_eof: bool,
+) -> Pos:
+    try:
+        new_pos = src.index(expect, pos)
+    except ValueError:
+        new_pos = len(src)
+        if error_on_eof:
+            raise suffixed_err(src, new_pos, f"Expected {expect!r}") from None
+
+    if not error_on.isdisjoint(src[pos:new_pos]):
+        while src[pos] not in error_on:
+            pos += 1
+        raise suffixed_err(src, pos, f"Found invalid character {src[pos]!r}")
+    return new_pos
+
+
+def skip_comment(src: str, pos: Pos) -> Pos:
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+    if char == "#":
+        return skip_until(
+            src, pos + 1, "\n", error_on=ILLEGAL_COMMENT_CHARS, error_on_eof=False
+        )
+    return pos
+
+
+def skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
+    while True:
+        pos_before_skip = pos
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        pos = skip_comment(src, pos)
+        if pos == pos_before_skip:
+            return pos
+
+
+def create_dict_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
+    pos += 1  # Skip "["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if out.flags.is_(key, Flags.EXPLICIT_NEST) or out.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Cannot declare {key} twice")
+    out.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        out.data.get_or_create_nest(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+
+    if not src.startswith("]", pos):
+        raise suffixed_err(src, pos, "Expected ']' at the end of a table declaration")
+    return pos + 1, key
+
+
+def create_list_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
+    pos += 2  # Skip "[["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if out.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Cannot mutate immutable namespace {key}")
+    # Free the namespace now that it points to another empty list item...
+    out.flags.unset_all(key)
+    # ...but this key precisely is still prohibited from table declaration
+    out.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        out.data.append_nest_to_list(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+
+    if not src.startswith("]]", pos):
+        raise suffixed_err(src, pos, "Expected ']]' at the end of an array declaration")
+    return pos + 2, key
+
+
+def key_value_rule(
+    src: str, pos: Pos, out: Output, header: Key, parse_float: ParseFloat
+) -> Pos:
+    pos, key, value = parse_key_value_pair(src, pos, parse_float)
+    key_parent, key_stem = key[:-1], key[-1]
+    abs_key_parent = header + key_parent
+
+    relative_path_cont_keys = (header + key[:i] for i in range(1, len(key)))
+    for cont_key in relative_path_cont_keys:
+        # Check that dotted key syntax does not redefine an existing table
+        if out.flags.is_(cont_key, Flags.EXPLICIT_NEST):
+            raise suffixed_err(src, pos, f"Cannot redefine namespace {cont_key}")
+        # Containers in the relative path can't be opened with the table syntax or
+        # dotted key/value syntax in following table sections.
+        out.flags.add_pending(cont_key, Flags.EXPLICIT_NEST)
+
+    if out.flags.is_(abs_key_parent, Flags.FROZEN):
+        raise suffixed_err(
+            src, pos, f"Cannot mutate immutable namespace {abs_key_parent}"
+        )
+
+    try:
+        nest = out.data.get_or_create_nest(abs_key_parent)
+    except KeyError:
+        raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+    if key_stem in nest:
+        raise suffixed_err(src, pos, "Cannot overwrite a value")
+    # Mark inline table and array namespaces recursively immutable
+    if isinstance(value, (dict, list)):
+        out.flags.set(header + key, Flags.FROZEN, recursive=True)
+    nest[key_stem] = value
+    return pos
+
+
+def parse_key_value_pair(
+    src: str, pos: Pos, parse_float: ParseFloat
+) -> tuple[Pos, Key, Any]:
+    pos, key = parse_key(src, pos)
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+    if char != "=":
+        raise suffixed_err(src, pos, "Expected '=' after a key in a key/value pair")
+    pos += 1
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, value = parse_value(src, pos, parse_float)
+    return pos, key, value
+
+
+def parse_key(src: str, pos: Pos) -> tuple[Pos, Key]:
+    pos, key_part = parse_key_part(src, pos)
+    key: Key = (key_part,)
+    pos = skip_chars(src, pos, TOML_WS)
+    while True:
+        try:
+            char: str | None = src[pos]
+        except IndexError:
+            char = None
+        if char != ".":
+            return pos, key
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+        pos, key_part = parse_key_part(src, pos)
+        key += (key_part,)
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_key_part(src: str, pos: Pos) -> tuple[Pos, str]:
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+    if char in BARE_KEY_CHARS:
+        start_pos = pos
+        pos = skip_chars(src, pos, BARE_KEY_CHARS)
+        return pos, src[start_pos:pos]
+    if char == "'":
+        return parse_literal_str(src, pos)
+    if char == '"':
+        return parse_one_line_basic_str(src, pos)
+    raise suffixed_err(src, pos, "Invalid initial character for a key part")
+
+
+def parse_one_line_basic_str(src: str, pos: Pos) -> tuple[Pos, str]:
+    pos += 1
+    return parse_basic_str(src, pos, multiline=False)
+
+
+def parse_array(src: str, pos: Pos, parse_float: ParseFloat) -> tuple[Pos, list]:
+    pos += 1
+    array: list = []
+
+    pos = skip_comments_and_array_ws(src, pos)
+    if src.startswith("]", pos):
+        return pos + 1, array
+    while True:
+        pos, val = parse_value(src, pos, parse_float)
+        array.append(val)
+        pos = skip_comments_and_array_ws(src, pos)
+
+        c = src[pos : pos + 1]
+        if c == "]":
+            return pos + 1, array
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed array")
+        pos += 1
+
+        pos = skip_comments_and_array_ws(src, pos)
+        if src.startswith("]", pos):
+            return pos + 1, array
+
+
+def parse_inline_table(src: str, pos: Pos, parse_float: ParseFloat) -> tuple[Pos, dict]:
+    pos += 1
+    nested_dict = NestedDict()
+    flags = Flags()
+
+    pos = skip_chars(src, pos, TOML_WS)
+    if src.startswith("}", pos):
+        return pos + 1, nested_dict.dict
+    while True:
+        pos, key, value = parse_key_value_pair(src, pos, parse_float)
+        key_parent, key_stem = key[:-1], key[-1]
+        if flags.is_(key, Flags.FROZEN):
+            raise suffixed_err(src, pos, f"Cannot mutate immutable namespace {key}")
+        try:
+            nest = nested_dict.get_or_create_nest(key_parent, access_lists=False)
+        except KeyError:
+            raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+        if key_stem in nest:
+            raise suffixed_err(src, pos, f"Duplicate inline table key {key_stem!r}")
+        nest[key_stem] = value
+        pos = skip_chars(src, pos, TOML_WS)
+        c = src[pos : pos + 1]
+        if c == "}":
+            return pos + 1, nested_dict.dict
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed inline table")
+        if isinstance(value, (dict, list)):
+            flags.set(key, Flags.FROZEN, recursive=True)
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_basic_str_escape(
+    src: str, pos: Pos, *, multiline: bool = False
+) -> tuple[Pos, str]:
+    escape_id = src[pos : pos + 2]
+    pos += 2
+    if multiline and escape_id in {"\\ ", "\\\t", "\\\n"}:
+        # Skip whitespace until next non-whitespace character or end of
+        # the doc. Error if non-whitespace is found before newline.
+        if escape_id != "\\\n":
+            pos = skip_chars(src, pos, TOML_WS)
+            try:
+                char = src[pos]
+            except IndexError:
+                return pos, ""
+            if char != "\n":
+                raise suffixed_err(src, pos, "Unescaped '\\' in a string")
+            pos += 1
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        return pos, ""
+    if escape_id == "\\u":
+        return parse_hex_char(src, pos, 4)
+    if escape_id == "\\U":
+        return parse_hex_char(src, pos, 8)
+    try:
+        return pos, BASIC_STR_ESCAPE_REPLACEMENTS[escape_id]
+    except KeyError:
+        raise suffixed_err(src, pos, "Unescaped '\\' in a string") from None
+
+
+def parse_basic_str_escape_multiline(src: str, pos: Pos) -> tuple[Pos, str]:
+    return parse_basic_str_escape(src, pos, multiline=True)
+
+
+def parse_hex_char(src: str, pos: Pos, hex_len: int) -> tuple[Pos, str]:
+    hex_str = src[pos : pos + hex_len]
+    if len(hex_str) != hex_len or not HEXDIGIT_CHARS.issuperset(hex_str):
+        raise suffixed_err(src, pos, "Invalid hex value")
+    pos += hex_len
+    hex_int = int(hex_str, 16)
+    if not is_unicode_scalar_value(hex_int):
+        raise suffixed_err(src, pos, "Escaped character is not a Unicode scalar value")
+    return pos, chr(hex_int)
+
+
+def parse_literal_str(src: str, pos: Pos) -> tuple[Pos, str]:
+    pos += 1  # Skip starting apostrophe
+    start_pos = pos
+    pos = skip_until(
+        src, pos, "'", error_on=ILLEGAL_LITERAL_STR_CHARS, error_on_eof=True
+    )
+    return pos + 1, src[start_pos:pos]  # Skip ending apostrophe
+
+
+def parse_multiline_str(src: str, pos: Pos, *, literal: bool) -> tuple[Pos, str]:
+    pos += 3
+    if src.startswith("\n", pos):
+        pos += 1
+
+    if literal:
+        delim = "'"
+        end_pos = skip_until(
+            src,
+            pos,
+            "'''",
+            error_on=ILLEGAL_MULTILINE_LITERAL_STR_CHARS,
+            error_on_eof=True,
+        )
+        result = src[pos:end_pos]
+        pos = end_pos + 3
+    else:
+        delim = '"'
+        pos, result = parse_basic_str(src, pos, multiline=True)
+
+    # Add at maximum two extra apostrophes/quotes if the end sequence
+    # is 4 or 5 chars long instead of just 3.
+    if not src.startswith(delim, pos):
+        return pos, result
+    pos += 1
+    if not src.startswith(delim, pos):
+        return pos, result + delim
+    pos += 1
+    return pos, result + (delim * 2)
+
+
+def parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> tuple[Pos, str]:
+    if multiline:
+        error_on = ILLEGAL_MULTILINE_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape_multiline
+    else:
+        error_on = ILLEGAL_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape
+    result = ""
+    start_pos = pos
+    while True:
+        try:
+            char = src[pos]
+        except IndexError:
+            raise suffixed_err(src, pos, "Unterminated string") from None
+        if char == '"':
+            if not multiline:
+                return pos + 1, result + src[start_pos:pos]
+            if src.startswith('"""', pos):
+                return pos + 3, result + src[start_pos:pos]
+            pos += 1
+            continue
+        if char == "\\":
+            result += src[start_pos:pos]
+            pos, parsed_escape = parse_escapes(src, pos)
+            result += parsed_escape
+            start_pos = pos
+            continue
+        if char in error_on:
+            raise suffixed_err(src, pos, f"Illegal character {char!r}")
+        pos += 1
+
+
+def parse_value(  # noqa: C901
+    src: str, pos: Pos, parse_float: ParseFloat
+) -> tuple[Pos, Any]:
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+
+    # IMPORTANT: order conditions based on speed of checking and likelihood
+
+    # Basic strings
+    if char == '"':
+        if src.startswith('"""', pos):
+            return parse_multiline_str(src, pos, literal=False)
+        return parse_one_line_basic_str(src, pos)
+
+    # Literal strings
+    if char == "'":
+        if src.startswith("'''", pos):
+            return parse_multiline_str(src, pos, literal=True)
+        return parse_literal_str(src, pos)
+
+    # Booleans
+    if char == "t":
+        if src.startswith("true", pos):
+            return pos + 4, True
+    if char == "f":
+        if src.startswith("false", pos):
+            return pos + 5, False
+
+    # Arrays
+    if char == "[":
+        return parse_array(src, pos, parse_float)
+
+    # Inline tables
+    if char == "{":
+        return parse_inline_table(src, pos, parse_float)
+
+    # Dates and times
+    datetime_match = RE_DATETIME.match(src, pos)
+    if datetime_match:
+        try:
+            datetime_obj = match_to_datetime(datetime_match)
+        except ValueError as e:
+            raise suffixed_err(src, pos, "Invalid date or datetime") from e
+        return datetime_match.end(), datetime_obj
+    localtime_match = RE_LOCALTIME.match(src, pos)
+    if localtime_match:
+        return localtime_match.end(), match_to_localtime(localtime_match)
+
+    # Integers and "normal" floats.
+    # The regex will greedily match any type starting with a decimal
+    # char, so needs to be located after handling of dates and times.
+    number_match = RE_NUMBER.match(src, pos)
+    if number_match:
+        return number_match.end(), match_to_number(number_match, parse_float)
+
+    # Special floats
+    first_three = src[pos : pos + 3]
+    if first_three in {"inf", "nan"}:
+        return pos + 3, parse_float(first_three)
+    first_four = src[pos : pos + 4]
+    if first_four in {"-inf", "+inf", "-nan", "+nan"}:
+        return pos + 4, parse_float(first_four)
+
+    raise suffixed_err(src, pos, "Invalid value")
+
+
+def suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
+    """Return a `TOMLDecodeError` where error message is suffixed with
+    coordinates in source."""
+
+    def coord_repr(src: str, pos: Pos) -> str:
+        if pos >= len(src):
+            return "end of document"
+        line = src.count("\n", 0, pos) + 1
+        if line == 1:
+            column = pos + 1
+        else:
+            column = pos - src.rindex("\n", 0, pos)
+        return f"line {line}, column {column}"
+
+    return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})")
+
+
+def is_unicode_scalar_value(codepoint: int) -> bool:
+    return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111)
+
+
+def make_safe_parse_float(parse_float: ParseFloat) -> ParseFloat:
+    """A decorator to make `parse_float` safe.
+
+    `parse_float` must not return dicts or lists, because these types
+    would be mixed with parsed TOML tables and arrays, thus confusing
+    the parser. The returned decorated callable raises `ValueError`
+    instead of returning illegal types.
+    """
+    # The default `float` callable never returns illegal types. Optimize it.
+    if parse_float is float:  # type: ignore[comparison-overlap]
+        return float
+
+    def safe_parse_float(float_str: str) -> Any:
+        float_value = parse_float(float_str)
+        if isinstance(float_value, (dict, list)):
+            raise ValueError("parse_float must not return dicts or lists")
+        return float_value
+
+    return safe_parse_float
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_re.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_re.py
new file mode 100644
index 00000000..994bb749
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_re.py
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+from __future__ import annotations
+
+from datetime import date, datetime, time, timedelta, timezone, tzinfo
+from functools import lru_cache
+import re
+from typing import Any
+
+from ._types import ParseFloat
+
+# E.g.
+# - 00:32:00.999999
+# - 00:32:00
+_TIME_RE_STR = r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(?:\.([0-9]{1,6})[0-9]*)?"
+
+RE_NUMBER = re.compile(
+    r"""
+0
+(?:
+    x[0-9A-Fa-f](?:_?[0-9A-Fa-f])*   # hex
+    |
+    b[01](?:_?[01])*                 # bin
+    |
+    o[0-7](?:_?[0-7])*               # oct
+)
+|
+[+-]?(?:0|[1-9](?:_?[0-9])*)         # dec, integer part
+(?P<floatpart>
+    (?:\.[0-9](?:_?[0-9])*)?         # optional fractional part
+    (?:[eE][+-]?[0-9](?:_?[0-9])*)?  # optional exponent part
+)
+""",
+    flags=re.VERBOSE,
+)
+RE_LOCALTIME = re.compile(_TIME_RE_STR)
+RE_DATETIME = re.compile(
+    rf"""
+([0-9]{{4}})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])  # date, e.g. 1988-10-27
+(?:
+    [Tt ]
+    {_TIME_RE_STR}
+    (?:([Zz])|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))?  # optional time offset
+)?
+""",
+    flags=re.VERBOSE,
+)
+
+
+def match_to_datetime(match: re.Match) -> datetime | date:
+    """Convert a `RE_DATETIME` match to `datetime.datetime` or `datetime.date`.
+
+    Raises ValueError if the match does not correspond to a valid date
+    or datetime.
+    """
+    (
+        year_str,
+        month_str,
+        day_str,
+        hour_str,
+        minute_str,
+        sec_str,
+        micros_str,
+        zulu_time,
+        offset_sign_str,
+        offset_hour_str,
+        offset_minute_str,
+    ) = match.groups()
+    year, month, day = int(year_str), int(month_str), int(day_str)
+    if hour_str is None:
+        return date(year, month, day)
+    hour, minute, sec = int(hour_str), int(minute_str), int(sec_str)
+    micros = int(micros_str.ljust(6, "0")) if micros_str else 0
+    if offset_sign_str:
+        tz: tzinfo | None = cached_tz(
+            offset_hour_str, offset_minute_str, offset_sign_str
+        )
+    elif zulu_time:
+        tz = timezone.utc
+    else:  # local date-time
+        tz = None
+    return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
+
+
+@lru_cache(maxsize=None)
+def cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone:
+    sign = 1 if sign_str == "+" else -1
+    return timezone(
+        timedelta(
+            hours=sign * int(hour_str),
+            minutes=sign * int(minute_str),
+        )
+    )
+
+
+def match_to_localtime(match: re.Match) -> time:
+    hour_str, minute_str, sec_str, micros_str = match.groups()
+    micros = int(micros_str.ljust(6, "0")) if micros_str else 0
+    return time(int(hour_str), int(minute_str), int(sec_str), micros)
+
+
+def match_to_number(match: re.Match, parse_float: ParseFloat) -> Any:
+    if match.group("floatpart"):
+        return parse_float(match.group())
+    return int(match.group(), 0)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_types.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_types.py
new file mode 100644
index 00000000..d949412e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/_types.py
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+from typing import Any, Callable, Tuple
+
+# Type annotations
+ParseFloat = Callable[[str], Any]
+Key = Tuple[str, ...]
+Pos = int
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/py.typed
new file mode 100644
index 00000000..7632ecf7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/tomli/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__init__.py
new file mode 100644
index 00000000..59930f45
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__init__.py
@@ -0,0 +1,13 @@
+"""Verify certificates using native system trust stores"""
+
+import sys as _sys
+
+if _sys.version_info < (3, 10):
+    raise ImportError("truststore requires Python 3.10 or later")
+
+from ._api import SSLContext, extract_from_ssl, inject_into_ssl  # noqa: E402
+
+del _api, _sys  # type: ignore[name-defined] # noqa: F821
+
+__all__ = ["SSLContext", "inject_into_ssl", "extract_from_ssl"]
+__version__ = "0.8.0"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/__init__.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_macos.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_macos.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_openssl.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_openssl.cpython-311.pyc
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index 00000000..f4ef060a
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_ssl_constants.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_ssl_constants.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_windows.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/__pycache__/_windows.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_api.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_api.py
new file mode 100644
index 00000000..829aff72
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_api.py
@@ -0,0 +1,302 @@
+import os
+import platform
+import socket
+import ssl
+import typing
+
+import _ssl  # type: ignore[import]
+
+from ._ssl_constants import (
+    _original_SSLContext,
+    _original_super_SSLContext,
+    _truststore_SSLContext_dunder_class,
+    _truststore_SSLContext_super_class,
+)
+
+if platform.system() == "Windows":
+    from ._windows import _configure_context, _verify_peercerts_impl
+elif platform.system() == "Darwin":
+    from ._macos import _configure_context, _verify_peercerts_impl
+else:
+    from ._openssl import _configure_context, _verify_peercerts_impl
+
+if typing.TYPE_CHECKING:
+    from pip._vendor.typing_extensions import Buffer
+
+# From typeshed/stdlib/ssl.pyi
+_StrOrBytesPath: typing.TypeAlias = str | bytes | os.PathLike[str] | os.PathLike[bytes]
+_PasswordType: typing.TypeAlias = str | bytes | typing.Callable[[], str | bytes]
+
+
+def inject_into_ssl() -> None:
+    """Injects the :class:`truststore.SSLContext` into the ``ssl``
+    module by replacing :class:`ssl.SSLContext`.
+    """
+    setattr(ssl, "SSLContext", SSLContext)
+    # urllib3 holds on to its own reference of ssl.SSLContext
+    # so we need to replace that reference too.
+    try:
+        import pip._vendor.urllib3.util.ssl_ as urllib3_ssl
+
+        setattr(urllib3_ssl, "SSLContext", SSLContext)
+    except ImportError:
+        pass
+
+
+def extract_from_ssl() -> None:
+    """Restores the :class:`ssl.SSLContext` class to its original state"""
+    setattr(ssl, "SSLContext", _original_SSLContext)
+    try:
+        import pip._vendor.urllib3.util.ssl_ as urllib3_ssl
+
+        urllib3_ssl.SSLContext = _original_SSLContext
+    except ImportError:
+        pass
+
+
+class SSLContext(_truststore_SSLContext_super_class):  # type: ignore[misc]
+    """SSLContext API that uses system certificates on all platforms"""
+
+    @property  # type: ignore[misc]
+    def __class__(self) -> type:
+        # Dirty hack to get around isinstance() checks
+        # for ssl.SSLContext instances in aiohttp/trustme
+        # when using non-CPython implementations.
+        return _truststore_SSLContext_dunder_class or SSLContext
+
+    def __init__(self, protocol: int = None) -> None:  # type: ignore[assignment]
+        self._ctx = _original_SSLContext(protocol)
+
+        class TruststoreSSLObject(ssl.SSLObject):
+            # This object exists because wrap_bio() doesn't
+            # immediately do the handshake so we need to do
+            # certificate verifications after SSLObject.do_handshake()
+
+            def do_handshake(self) -> None:
+                ret = super().do_handshake()
+                _verify_peercerts(self, server_hostname=self.server_hostname)
+                return ret
+
+        self._ctx.sslobject_class = TruststoreSSLObject
+
+    def wrap_socket(
+        self,
+        sock: socket.socket,
+        server_side: bool = False,
+        do_handshake_on_connect: bool = True,
+        suppress_ragged_eofs: bool = True,
+        server_hostname: str | None = None,
+        session: ssl.SSLSession | None = None,
+    ) -> ssl.SSLSocket:
+        # Use a context manager here because the
+        # inner SSLContext holds on to our state
+        # but also does the actual handshake.
+        with _configure_context(self._ctx):
+            ssl_sock = self._ctx.wrap_socket(
+                sock,
+                server_side=server_side,
+                server_hostname=server_hostname,
+                do_handshake_on_connect=do_handshake_on_connect,
+                suppress_ragged_eofs=suppress_ragged_eofs,
+                session=session,
+            )
+        try:
+            _verify_peercerts(ssl_sock, server_hostname=server_hostname)
+        except Exception:
+            ssl_sock.close()
+            raise
+        return ssl_sock
+
+    def wrap_bio(
+        self,
+        incoming: ssl.MemoryBIO,
+        outgoing: ssl.MemoryBIO,
+        server_side: bool = False,
+        server_hostname: str | None = None,
+        session: ssl.SSLSession | None = None,
+    ) -> ssl.SSLObject:
+        with _configure_context(self._ctx):
+            ssl_obj = self._ctx.wrap_bio(
+                incoming,
+                outgoing,
+                server_hostname=server_hostname,
+                server_side=server_side,
+                session=session,
+            )
+        return ssl_obj
+
+    def load_verify_locations(
+        self,
+        cafile: str | bytes | os.PathLike[str] | os.PathLike[bytes] | None = None,
+        capath: str | bytes | os.PathLike[str] | os.PathLike[bytes] | None = None,
+        cadata: typing.Union[str, "Buffer", None] = None,
+    ) -> None:
+        return self._ctx.load_verify_locations(
+            cafile=cafile, capath=capath, cadata=cadata
+        )
+
+    def load_cert_chain(
+        self,
+        certfile: _StrOrBytesPath,
+        keyfile: _StrOrBytesPath | None = None,
+        password: _PasswordType | None = None,
+    ) -> None:
+        return self._ctx.load_cert_chain(
+            certfile=certfile, keyfile=keyfile, password=password
+        )
+
+    def load_default_certs(
+        self, purpose: ssl.Purpose = ssl.Purpose.SERVER_AUTH
+    ) -> None:
+        return self._ctx.load_default_certs(purpose)
+
+    def set_alpn_protocols(self, alpn_protocols: typing.Iterable[str]) -> None:
+        return self._ctx.set_alpn_protocols(alpn_protocols)
+
+    def set_npn_protocols(self, npn_protocols: typing.Iterable[str]) -> None:
+        return self._ctx.set_npn_protocols(npn_protocols)
+
+    def set_ciphers(self, __cipherlist: str) -> None:
+        return self._ctx.set_ciphers(__cipherlist)
+
+    def get_ciphers(self) -> typing.Any:
+        return self._ctx.get_ciphers()
+
+    def session_stats(self) -> dict[str, int]:
+        return self._ctx.session_stats()
+
+    def cert_store_stats(self) -> dict[str, int]:
+        raise NotImplementedError()
+
+    @typing.overload
+    def get_ca_certs(
+        self, binary_form: typing.Literal[False] = ...
+    ) -> list[typing.Any]:
+        ...
+
+    @typing.overload
+    def get_ca_certs(self, binary_form: typing.Literal[True] = ...) -> list[bytes]:
+        ...
+
+    @typing.overload
+    def get_ca_certs(self, binary_form: bool = ...) -> typing.Any:
+        ...
+
+    def get_ca_certs(self, binary_form: bool = False) -> list[typing.Any] | list[bytes]:
+        raise NotImplementedError()
+
+    @property
+    def check_hostname(self) -> bool:
+        return self._ctx.check_hostname
+
+    @check_hostname.setter
+    def check_hostname(self, value: bool) -> None:
+        self._ctx.check_hostname = value
+
+    @property
+    def hostname_checks_common_name(self) -> bool:
+        return self._ctx.hostname_checks_common_name
+
+    @hostname_checks_common_name.setter
+    def hostname_checks_common_name(self, value: bool) -> None:
+        self._ctx.hostname_checks_common_name = value
+
+    @property
+    def keylog_filename(self) -> str:
+        return self._ctx.keylog_filename
+
+    @keylog_filename.setter
+    def keylog_filename(self, value: str) -> None:
+        self._ctx.keylog_filename = value
+
+    @property
+    def maximum_version(self) -> ssl.TLSVersion:
+        return self._ctx.maximum_version
+
+    @maximum_version.setter
+    def maximum_version(self, value: ssl.TLSVersion) -> None:
+        _original_super_SSLContext.maximum_version.__set__(  # type: ignore[attr-defined]
+            self._ctx, value
+        )
+
+    @property
+    def minimum_version(self) -> ssl.TLSVersion:
+        return self._ctx.minimum_version
+
+    @minimum_version.setter
+    def minimum_version(self, value: ssl.TLSVersion) -> None:
+        _original_super_SSLContext.minimum_version.__set__(  # type: ignore[attr-defined]
+            self._ctx, value
+        )
+
+    @property
+    def options(self) -> ssl.Options:
+        return self._ctx.options
+
+    @options.setter
+    def options(self, value: ssl.Options) -> None:
+        _original_super_SSLContext.options.__set__(  # type: ignore[attr-defined]
+            self._ctx, value
+        )
+
+    @property
+    def post_handshake_auth(self) -> bool:
+        return self._ctx.post_handshake_auth
+
+    @post_handshake_auth.setter
+    def post_handshake_auth(self, value: bool) -> None:
+        self._ctx.post_handshake_auth = value
+
+    @property
+    def protocol(self) -> ssl._SSLMethod:
+        return self._ctx.protocol
+
+    @property
+    def security_level(self) -> int:
+        return self._ctx.security_level
+
+    @property
+    def verify_flags(self) -> ssl.VerifyFlags:
+        return self._ctx.verify_flags
+
+    @verify_flags.setter
+    def verify_flags(self, value: ssl.VerifyFlags) -> None:
+        _original_super_SSLContext.verify_flags.__set__(  # type: ignore[attr-defined]
+            self._ctx, value
+        )
+
+    @property
+    def verify_mode(self) -> ssl.VerifyMode:
+        return self._ctx.verify_mode
+
+    @verify_mode.setter
+    def verify_mode(self, value: ssl.VerifyMode) -> None:
+        _original_super_SSLContext.verify_mode.__set__(  # type: ignore[attr-defined]
+            self._ctx, value
+        )
+
+
+def _verify_peercerts(
+    sock_or_sslobj: ssl.SSLSocket | ssl.SSLObject, server_hostname: str | None
+) -> None:
+    """
+    Verifies the peer certificates from an SSLSocket or SSLObject
+    against the certificates in the OS trust store.
+    """
+    sslobj: ssl.SSLObject = sock_or_sslobj  # type: ignore[assignment]
+    try:
+        while not hasattr(sslobj, "get_unverified_chain"):
+            sslobj = sslobj._sslobj  # type: ignore[attr-defined]
+    except AttributeError:
+        pass
+
+    # SSLObject.get_unverified_chain() returns 'None'
+    # if the peer sends no certificates. This is common
+    # for the server-side scenario.
+    unverified_chain: typing.Sequence[_ssl.Certificate] = (
+        sslobj.get_unverified_chain() or ()  # type: ignore[attr-defined]
+    )
+    cert_bytes = [cert.public_bytes(_ssl.ENCODING_DER) for cert in unverified_chain]
+    _verify_peercerts_impl(
+        sock_or_sslobj.context, cert_bytes, server_hostname=server_hostname
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_macos.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_macos.py
new file mode 100644
index 00000000..7dc440bf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_macos.py
@@ -0,0 +1,501 @@
+import contextlib
+import ctypes
+import platform
+import ssl
+import typing
+from ctypes import (
+    CDLL,
+    POINTER,
+    c_bool,
+    c_char_p,
+    c_int32,
+    c_long,
+    c_uint32,
+    c_ulong,
+    c_void_p,
+)
+from ctypes.util import find_library
+
+from ._ssl_constants import _set_ssl_context_verify_mode
+
+_mac_version = platform.mac_ver()[0]
+_mac_version_info = tuple(map(int, _mac_version.split(".")))
+if _mac_version_info < (10, 8):
+    raise ImportError(
+        f"Only OS X 10.8 and newer are supported, not {_mac_version_info[0]}.{_mac_version_info[1]}"
+    )
+
+
+def _load_cdll(name: str, macos10_16_path: str) -> CDLL:
+    """Loads a CDLL by name, falling back to known path on 10.16+"""
+    try:
+        # Big Sur is technically 11 but we use 10.16 due to the Big Sur
+        # beta being labeled as 10.16.
+        path: str | None
+        if _mac_version_info >= (10, 16):
+            path = macos10_16_path
+        else:
+            path = find_library(name)
+        if not path:
+            raise OSError  # Caught and reraised as 'ImportError'
+        return CDLL(path, use_errno=True)
+    except OSError:
+        raise ImportError(f"The library {name} failed to load") from None
+
+
+Security = _load_cdll(
+    "Security", "/System/Library/Frameworks/Security.framework/Security"
+)
+CoreFoundation = _load_cdll(
+    "CoreFoundation",
+    "/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation",
+)
+
+Boolean = c_bool
+CFIndex = c_long
+CFStringEncoding = c_uint32
+CFData = c_void_p
+CFString = c_void_p
+CFArray = c_void_p
+CFMutableArray = c_void_p
+CFError = c_void_p
+CFType = c_void_p
+CFTypeID = c_ulong
+CFTypeRef = POINTER(CFType)
+CFAllocatorRef = c_void_p
+
+OSStatus = c_int32
+
+CFErrorRef = POINTER(CFError)
+CFDataRef = POINTER(CFData)
+CFStringRef = POINTER(CFString)
+CFArrayRef = POINTER(CFArray)
+CFMutableArrayRef = POINTER(CFMutableArray)
+CFArrayCallBacks = c_void_p
+CFOptionFlags = c_uint32
+
+SecCertificateRef = POINTER(c_void_p)
+SecPolicyRef = POINTER(c_void_p)
+SecTrustRef = POINTER(c_void_p)
+SecTrustResultType = c_uint32
+SecTrustOptionFlags = c_uint32
+
+try:
+    Security.SecCertificateCreateWithData.argtypes = [CFAllocatorRef, CFDataRef]
+    Security.SecCertificateCreateWithData.restype = SecCertificateRef
+
+    Security.SecCertificateCopyData.argtypes = [SecCertificateRef]
+    Security.SecCertificateCopyData.restype = CFDataRef
+
+    Security.SecCopyErrorMessageString.argtypes = [OSStatus, c_void_p]
+    Security.SecCopyErrorMessageString.restype = CFStringRef
+
+    Security.SecTrustSetAnchorCertificates.argtypes = [SecTrustRef, CFArrayRef]
+    Security.SecTrustSetAnchorCertificates.restype = OSStatus
+
+    Security.SecTrustSetAnchorCertificatesOnly.argtypes = [SecTrustRef, Boolean]
+    Security.SecTrustSetAnchorCertificatesOnly.restype = OSStatus
+
+    Security.SecTrustEvaluate.argtypes = [SecTrustRef, POINTER(SecTrustResultType)]
+    Security.SecTrustEvaluate.restype = OSStatus
+
+    Security.SecPolicyCreateRevocation.argtypes = [CFOptionFlags]
+    Security.SecPolicyCreateRevocation.restype = SecPolicyRef
+
+    Security.SecPolicyCreateSSL.argtypes = [Boolean, CFStringRef]
+    Security.SecPolicyCreateSSL.restype = SecPolicyRef
+
+    Security.SecTrustCreateWithCertificates.argtypes = [
+        CFTypeRef,
+        CFTypeRef,
+        POINTER(SecTrustRef),
+    ]
+    Security.SecTrustCreateWithCertificates.restype = OSStatus
+
+    Security.SecTrustGetTrustResult.argtypes = [
+        SecTrustRef,
+        POINTER(SecTrustResultType),
+    ]
+    Security.SecTrustGetTrustResult.restype = OSStatus
+
+    Security.SecTrustRef = SecTrustRef  # type: ignore[attr-defined]
+    Security.SecTrustResultType = SecTrustResultType  # type: ignore[attr-defined]
+    Security.OSStatus = OSStatus  # type: ignore[attr-defined]
+
+    kSecRevocationUseAnyAvailableMethod = 3
+    kSecRevocationRequirePositiveResponse = 8
+
+    CoreFoundation.CFRelease.argtypes = [CFTypeRef]
+    CoreFoundation.CFRelease.restype = None
+
+    CoreFoundation.CFGetTypeID.argtypes = [CFTypeRef]
+    CoreFoundation.CFGetTypeID.restype = CFTypeID
+
+    CoreFoundation.CFStringCreateWithCString.argtypes = [
+        CFAllocatorRef,
+        c_char_p,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringCreateWithCString.restype = CFStringRef
+
+    CoreFoundation.CFStringGetCStringPtr.argtypes = [CFStringRef, CFStringEncoding]
+    CoreFoundation.CFStringGetCStringPtr.restype = c_char_p
+
+    CoreFoundation.CFStringGetCString.argtypes = [
+        CFStringRef,
+        c_char_p,
+        CFIndex,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringGetCString.restype = c_bool
+
+    CoreFoundation.CFDataCreate.argtypes = [CFAllocatorRef, c_char_p, CFIndex]
+    CoreFoundation.CFDataCreate.restype = CFDataRef
+
+    CoreFoundation.CFDataGetLength.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetLength.restype = CFIndex
+
+    CoreFoundation.CFDataGetBytePtr.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetBytePtr.restype = c_void_p
+
+    CoreFoundation.CFArrayCreate.argtypes = [
+        CFAllocatorRef,
+        POINTER(CFTypeRef),
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreate.restype = CFArrayRef
+
+    CoreFoundation.CFArrayCreateMutable.argtypes = [
+        CFAllocatorRef,
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreateMutable.restype = CFMutableArrayRef
+
+    CoreFoundation.CFArrayAppendValue.argtypes = [CFMutableArrayRef, c_void_p]
+    CoreFoundation.CFArrayAppendValue.restype = None
+
+    CoreFoundation.CFArrayGetCount.argtypes = [CFArrayRef]
+    CoreFoundation.CFArrayGetCount.restype = CFIndex
+
+    CoreFoundation.CFArrayGetValueAtIndex.argtypes = [CFArrayRef, CFIndex]
+    CoreFoundation.CFArrayGetValueAtIndex.restype = c_void_p
+
+    CoreFoundation.CFErrorGetCode.argtypes = [CFErrorRef]
+    CoreFoundation.CFErrorGetCode.restype = CFIndex
+
+    CoreFoundation.CFErrorCopyDescription.argtypes = [CFErrorRef]
+    CoreFoundation.CFErrorCopyDescription.restype = CFStringRef
+
+    CoreFoundation.kCFAllocatorDefault = CFAllocatorRef.in_dll(  # type: ignore[attr-defined]
+        CoreFoundation, "kCFAllocatorDefault"
+    )
+    CoreFoundation.kCFTypeArrayCallBacks = c_void_p.in_dll(  # type: ignore[attr-defined]
+        CoreFoundation, "kCFTypeArrayCallBacks"
+    )
+
+    CoreFoundation.CFTypeRef = CFTypeRef  # type: ignore[attr-defined]
+    CoreFoundation.CFArrayRef = CFArrayRef  # type: ignore[attr-defined]
+    CoreFoundation.CFStringRef = CFStringRef  # type: ignore[attr-defined]
+    CoreFoundation.CFErrorRef = CFErrorRef  # type: ignore[attr-defined]
+
+except AttributeError:
+    raise ImportError("Error initializing ctypes") from None
+
+
+def _handle_osstatus(result: OSStatus, _: typing.Any, args: typing.Any) -> typing.Any:
+    """
+    Raises an error if the OSStatus value is non-zero.
+    """
+    if int(result) == 0:
+        return args
+
+    # Returns a CFString which we need to transform
+    # into a UTF-8 Python string.
+    error_message_cfstring = None
+    try:
+        error_message_cfstring = Security.SecCopyErrorMessageString(result, None)
+
+        # First step is convert the CFString into a C string pointer.
+        # We try the fast no-copy way first.
+        error_message_cfstring_c_void_p = ctypes.cast(
+            error_message_cfstring, ctypes.POINTER(ctypes.c_void_p)
+        )
+        message = CoreFoundation.CFStringGetCStringPtr(
+            error_message_cfstring_c_void_p, CFConst.kCFStringEncodingUTF8
+        )
+
+        # Quoting the Apple dev docs:
+        #
+        # "A pointer to a C string or NULL if the internal
+        # storage of theString does not allow this to be
+        # returned efficiently."
+        #
+        # So we need to get our hands dirty.
+        if message is None:
+            buffer = ctypes.create_string_buffer(1024)
+            result = CoreFoundation.CFStringGetCString(
+                error_message_cfstring_c_void_p,
+                buffer,
+                1024,
+                CFConst.kCFStringEncodingUTF8,
+            )
+            if not result:
+                raise OSError("Error copying C string from CFStringRef")
+            message = buffer.value
+
+    finally:
+        if error_message_cfstring is not None:
+            CoreFoundation.CFRelease(error_message_cfstring)
+
+    # If no message can be found for this status we come
+    # up with a generic one that forwards the status code.
+    if message is None or message == "":
+        message = f"SecureTransport operation returned a non-zero OSStatus: {result}"
+
+    raise ssl.SSLError(message)
+
+
+Security.SecTrustCreateWithCertificates.errcheck = _handle_osstatus  # type: ignore[assignment]
+Security.SecTrustSetAnchorCertificates.errcheck = _handle_osstatus  # type: ignore[assignment]
+Security.SecTrustGetTrustResult.errcheck = _handle_osstatus  # type: ignore[assignment]
+
+
+class CFConst:
+    """CoreFoundation constants"""
+
+    kCFStringEncodingUTF8 = CFStringEncoding(0x08000100)
+
+    errSecIncompleteCertRevocationCheck = -67635
+    errSecHostNameMismatch = -67602
+    errSecCertificateExpired = -67818
+    errSecNotTrusted = -67843
+
+
+def _bytes_to_cf_data_ref(value: bytes) -> CFDataRef:  # type: ignore[valid-type]
+    return CoreFoundation.CFDataCreate(  # type: ignore[no-any-return]
+        CoreFoundation.kCFAllocatorDefault, value, len(value)
+    )
+
+
+def _bytes_to_cf_string(value: bytes) -> CFString:
+    """
+    Given a Python binary data, create a CFString.
+    The string must be CFReleased by the caller.
+    """
+    c_str = ctypes.c_char_p(value)
+    cf_str = CoreFoundation.CFStringCreateWithCString(
+        CoreFoundation.kCFAllocatorDefault,
+        c_str,
+        CFConst.kCFStringEncodingUTF8,
+    )
+    return cf_str  # type: ignore[no-any-return]
+
+
+def _cf_string_ref_to_str(cf_string_ref: CFStringRef) -> str | None:  # type: ignore[valid-type]
+    """
+    Creates a Unicode string from a CFString object. Used entirely for error
+    reporting.
+    Yes, it annoys me quite a lot that this function is this complex.
+    """
+
+    string = CoreFoundation.CFStringGetCStringPtr(
+        cf_string_ref, CFConst.kCFStringEncodingUTF8
+    )
+    if string is None:
+        buffer = ctypes.create_string_buffer(1024)
+        result = CoreFoundation.CFStringGetCString(
+            cf_string_ref, buffer, 1024, CFConst.kCFStringEncodingUTF8
+        )
+        if not result:
+            raise OSError("Error copying C string from CFStringRef")
+        string = buffer.value
+    if string is not None:
+        string = string.decode("utf-8")
+    return string  # type: ignore[no-any-return]
+
+
+def _der_certs_to_cf_cert_array(certs: list[bytes]) -> CFMutableArrayRef:  # type: ignore[valid-type]
+    """Builds a CFArray of SecCertificateRefs from a list of DER-encoded certificates.
+    Responsibility of the caller to call CoreFoundation.CFRelease on the CFArray.
+    """
+    cf_array = CoreFoundation.CFArrayCreateMutable(
+        CoreFoundation.kCFAllocatorDefault,
+        0,
+        ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+    )
+    if not cf_array:
+        raise MemoryError("Unable to allocate memory!")
+
+    for cert_data in certs:
+        cf_data = None
+        sec_cert_ref = None
+        try:
+            cf_data = _bytes_to_cf_data_ref(cert_data)
+            sec_cert_ref = Security.SecCertificateCreateWithData(
+                CoreFoundation.kCFAllocatorDefault, cf_data
+            )
+            CoreFoundation.CFArrayAppendValue(cf_array, sec_cert_ref)
+        finally:
+            if cf_data:
+                CoreFoundation.CFRelease(cf_data)
+            if sec_cert_ref:
+                CoreFoundation.CFRelease(sec_cert_ref)
+
+    return cf_array  # type: ignore[no-any-return]
+
+
+@contextlib.contextmanager
+def _configure_context(ctx: ssl.SSLContext) -> typing.Iterator[None]:
+    check_hostname = ctx.check_hostname
+    verify_mode = ctx.verify_mode
+    ctx.check_hostname = False
+    _set_ssl_context_verify_mode(ctx, ssl.CERT_NONE)
+    try:
+        yield
+    finally:
+        ctx.check_hostname = check_hostname
+        _set_ssl_context_verify_mode(ctx, verify_mode)
+
+
+def _verify_peercerts_impl(
+    ssl_context: ssl.SSLContext,
+    cert_chain: list[bytes],
+    server_hostname: str | None = None,
+) -> None:
+    certs = None
+    policies = None
+    trust = None
+    cf_error = None
+    try:
+        if server_hostname is not None:
+            cf_str_hostname = None
+            try:
+                cf_str_hostname = _bytes_to_cf_string(server_hostname.encode("ascii"))
+                ssl_policy = Security.SecPolicyCreateSSL(True, cf_str_hostname)
+            finally:
+                if cf_str_hostname:
+                    CoreFoundation.CFRelease(cf_str_hostname)
+        else:
+            ssl_policy = Security.SecPolicyCreateSSL(True, None)
+
+        policies = ssl_policy
+        if ssl_context.verify_flags & ssl.VERIFY_CRL_CHECK_CHAIN:
+            # Add explicit policy requiring positive revocation checks
+            policies = CoreFoundation.CFArrayCreateMutable(
+                CoreFoundation.kCFAllocatorDefault,
+                0,
+                ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+            )
+            CoreFoundation.CFArrayAppendValue(policies, ssl_policy)
+            CoreFoundation.CFRelease(ssl_policy)
+            revocation_policy = Security.SecPolicyCreateRevocation(
+                kSecRevocationUseAnyAvailableMethod
+                | kSecRevocationRequirePositiveResponse
+            )
+            CoreFoundation.CFArrayAppendValue(policies, revocation_policy)
+            CoreFoundation.CFRelease(revocation_policy)
+        elif ssl_context.verify_flags & ssl.VERIFY_CRL_CHECK_LEAF:
+            raise NotImplementedError("VERIFY_CRL_CHECK_LEAF not implemented for macOS")
+
+        certs = None
+        try:
+            certs = _der_certs_to_cf_cert_array(cert_chain)
+
+            # Now that we have certificates loaded and a SecPolicy
+            # we can finally create a SecTrust object!
+            trust = Security.SecTrustRef()
+            Security.SecTrustCreateWithCertificates(
+                certs, policies, ctypes.byref(trust)
+            )
+
+        finally:
+            # The certs are now being held by SecTrust so we can
+            # release our handles for the array.
+            if certs:
+                CoreFoundation.CFRelease(certs)
+
+        # If there are additional trust anchors to load we need to transform
+        # the list of DER-encoded certificates into a CFArray. Otherwise
+        # pass 'None' to signal that we only want system / fetched certificates.
+        ctx_ca_certs_der: list[bytes] | None = ssl_context.get_ca_certs(
+            binary_form=True
+        )
+        if ctx_ca_certs_der:
+            ctx_ca_certs = None
+            try:
+                ctx_ca_certs = _der_certs_to_cf_cert_array(cert_chain)
+                Security.SecTrustSetAnchorCertificates(trust, ctx_ca_certs)
+            finally:
+                if ctx_ca_certs:
+                    CoreFoundation.CFRelease(ctx_ca_certs)
+        else:
+            Security.SecTrustSetAnchorCertificates(trust, None)
+
+        cf_error = CoreFoundation.CFErrorRef()
+        sec_trust_eval_result = Security.SecTrustEvaluateWithError(
+            trust, ctypes.byref(cf_error)
+        )
+        # sec_trust_eval_result is a bool (0 or 1)
+        # where 1 means that the certs are trusted.
+        if sec_trust_eval_result == 1:
+            is_trusted = True
+        elif sec_trust_eval_result == 0:
+            is_trusted = False
+        else:
+            raise ssl.SSLError(
+                f"Unknown result from Security.SecTrustEvaluateWithError: {sec_trust_eval_result!r}"
+            )
+
+        cf_error_code = 0
+        if not is_trusted:
+            cf_error_code = CoreFoundation.CFErrorGetCode(cf_error)
+
+            # If the error is a known failure that we're
+            # explicitly okay with from SSLContext configuration
+            # we can set is_trusted accordingly.
+            if ssl_context.verify_mode != ssl.CERT_REQUIRED and (
+                cf_error_code == CFConst.errSecNotTrusted
+                or cf_error_code == CFConst.errSecCertificateExpired
+            ):
+                is_trusted = True
+            elif (
+                not ssl_context.check_hostname
+                and cf_error_code == CFConst.errSecHostNameMismatch
+            ):
+                is_trusted = True
+
+        # If we're still not trusted then we start to
+        # construct and raise the SSLCertVerificationError.
+        if not is_trusted:
+            cf_error_string_ref = None
+            try:
+                cf_error_string_ref = CoreFoundation.CFErrorCopyDescription(cf_error)
+
+                # Can this ever return 'None' if there's a CFError?
+                cf_error_message = (
+                    _cf_string_ref_to_str(cf_error_string_ref)
+                    or "Certificate verification failed"
+                )
+
+                # TODO: Not sure if we need the SecTrustResultType for anything?
+                # We only care whether or not it's a success or failure for now.
+                sec_trust_result_type = Security.SecTrustResultType()
+                Security.SecTrustGetTrustResult(
+                    trust, ctypes.byref(sec_trust_result_type)
+                )
+
+                err = ssl.SSLCertVerificationError(cf_error_message)
+                err.verify_message = cf_error_message
+                err.verify_code = cf_error_code
+                raise err
+            finally:
+                if cf_error_string_ref:
+                    CoreFoundation.CFRelease(cf_error_string_ref)
+
+    finally:
+        if policies:
+            CoreFoundation.CFRelease(policies)
+        if trust:
+            CoreFoundation.CFRelease(trust)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_openssl.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_openssl.py
new file mode 100644
index 00000000..9951cf75
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_openssl.py
@@ -0,0 +1,66 @@
+import contextlib
+import os
+import re
+import ssl
+import typing
+
+# candidates based on https://github.com/tiran/certifi-system-store by Christian Heimes
+_CA_FILE_CANDIDATES = [
+    # Alpine, Arch, Fedora 34+, OpenWRT, RHEL 9+, BSD
+    "/etc/ssl/cert.pem",
+    # Fedora <= 34, RHEL <= 9, CentOS <= 9
+    "/etc/pki/tls/cert.pem",
+    # Debian, Ubuntu (requires ca-certificates)
+    "/etc/ssl/certs/ca-certificates.crt",
+    # SUSE
+    "/etc/ssl/ca-bundle.pem",
+]
+
+_HASHED_CERT_FILENAME_RE = re.compile(r"^[0-9a-fA-F]{8}\.[0-9]$")
+
+
+@contextlib.contextmanager
+def _configure_context(ctx: ssl.SSLContext) -> typing.Iterator[None]:
+    # First, check whether the default locations from OpenSSL
+    # seem like they will give us a usable set of CA certs.
+    # ssl.get_default_verify_paths already takes care of:
+    # - getting cafile from either the SSL_CERT_FILE env var
+    #   or the path configured when OpenSSL was compiled,
+    #   and verifying that that path exists
+    # - getting capath from either the SSL_CERT_DIR env var
+    #   or the path configured when OpenSSL was compiled,
+    #   and verifying that that path exists
+    # In addition we'll check whether capath appears to contain certs.
+    defaults = ssl.get_default_verify_paths()
+    if defaults.cafile or (defaults.capath and _capath_contains_certs(defaults.capath)):
+        ctx.set_default_verify_paths()
+    else:
+        # cafile from OpenSSL doesn't exist
+        # and capath from OpenSSL doesn't contain certs.
+        # Let's search other common locations instead.
+        for cafile in _CA_FILE_CANDIDATES:
+            if os.path.isfile(cafile):
+                ctx.load_verify_locations(cafile=cafile)
+                break
+
+    yield
+
+
+def _capath_contains_certs(capath: str) -> bool:
+    """Check whether capath exists and contains certs in the expected format."""
+    if not os.path.isdir(capath):
+        return False
+    for name in os.listdir(capath):
+        if _HASHED_CERT_FILENAME_RE.match(name):
+            return True
+    return False
+
+
+def _verify_peercerts_impl(
+    ssl_context: ssl.SSLContext,
+    cert_chain: list[bytes],
+    server_hostname: str | None = None,
+) -> None:
+    # This is a no-op because we've enabled SSLContext's built-in
+    # verification via verify_mode=CERT_REQUIRED, and don't need to repeat it.
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_ssl_constants.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_ssl_constants.py
new file mode 100644
index 00000000..b1ee7a3c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_ssl_constants.py
@@ -0,0 +1,31 @@
+import ssl
+import sys
+import typing
+
+# Hold on to the original class so we can create it consistently
+# even if we inject our own SSLContext into the ssl module.
+_original_SSLContext = ssl.SSLContext
+_original_super_SSLContext = super(_original_SSLContext, _original_SSLContext)
+
+# CPython is known to be good, but non-CPython implementations
+# may implement SSLContext differently so to be safe we don't
+# subclass the SSLContext.
+
+# This is returned by truststore.SSLContext.__class__()
+_truststore_SSLContext_dunder_class: typing.Optional[type]
+
+# This value is the superclass of truststore.SSLContext.
+_truststore_SSLContext_super_class: type
+
+if sys.implementation.name == "cpython":
+    _truststore_SSLContext_super_class = _original_SSLContext
+    _truststore_SSLContext_dunder_class = None
+else:
+    _truststore_SSLContext_super_class = object
+    _truststore_SSLContext_dunder_class = _original_SSLContext
+
+
+def _set_ssl_context_verify_mode(
+    ssl_context: ssl.SSLContext, verify_mode: ssl.VerifyMode
+) -> None:
+    _original_super_SSLContext.verify_mode.__set__(ssl_context, verify_mode)  # type: ignore[attr-defined]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_windows.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_windows.py
new file mode 100644
index 00000000..3de4960a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/_windows.py
@@ -0,0 +1,554 @@
+import contextlib
+import ssl
+import typing
+from ctypes import WinDLL  # type: ignore
+from ctypes import WinError  # type: ignore
+from ctypes import (
+    POINTER,
+    Structure,
+    c_char_p,
+    c_ulong,
+    c_void_p,
+    c_wchar_p,
+    cast,
+    create_unicode_buffer,
+    pointer,
+    sizeof,
+)
+from ctypes.wintypes import (
+    BOOL,
+    DWORD,
+    HANDLE,
+    LONG,
+    LPCSTR,
+    LPCVOID,
+    LPCWSTR,
+    LPFILETIME,
+    LPSTR,
+    LPWSTR,
+)
+from typing import TYPE_CHECKING, Any
+
+from ._ssl_constants import _set_ssl_context_verify_mode
+
+HCERTCHAINENGINE = HANDLE
+HCERTSTORE = HANDLE
+HCRYPTPROV_LEGACY = HANDLE
+
+
+class CERT_CONTEXT(Structure):
+    _fields_ = (
+        ("dwCertEncodingType", DWORD),
+        ("pbCertEncoded", c_void_p),
+        ("cbCertEncoded", DWORD),
+        ("pCertInfo", c_void_p),
+        ("hCertStore", HCERTSTORE),
+    )
+
+
+PCERT_CONTEXT = POINTER(CERT_CONTEXT)
+PCCERT_CONTEXT = POINTER(PCERT_CONTEXT)
+
+
+class CERT_ENHKEY_USAGE(Structure):
+    _fields_ = (
+        ("cUsageIdentifier", DWORD),
+        ("rgpszUsageIdentifier", POINTER(LPSTR)),
+    )
+
+
+PCERT_ENHKEY_USAGE = POINTER(CERT_ENHKEY_USAGE)
+
+
+class CERT_USAGE_MATCH(Structure):
+    _fields_ = (
+        ("dwType", DWORD),
+        ("Usage", CERT_ENHKEY_USAGE),
+    )
+
+
+class CERT_CHAIN_PARA(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("RequestedUsage", CERT_USAGE_MATCH),
+        ("RequestedIssuancePolicy", CERT_USAGE_MATCH),
+        ("dwUrlRetrievalTimeout", DWORD),
+        ("fCheckRevocationFreshnessTime", BOOL),
+        ("dwRevocationFreshnessTime", DWORD),
+        ("pftCacheResync", LPFILETIME),
+        ("pStrongSignPara", c_void_p),
+        ("dwStrongSignFlags", DWORD),
+    )
+
+
+if TYPE_CHECKING:
+    PCERT_CHAIN_PARA = pointer[CERT_CHAIN_PARA]  # type: ignore[misc]
+else:
+    PCERT_CHAIN_PARA = POINTER(CERT_CHAIN_PARA)
+
+
+class CERT_TRUST_STATUS(Structure):
+    _fields_ = (
+        ("dwErrorStatus", DWORD),
+        ("dwInfoStatus", DWORD),
+    )
+
+
+class CERT_CHAIN_ELEMENT(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("pCertContext", PCERT_CONTEXT),
+        ("TrustStatus", CERT_TRUST_STATUS),
+        ("pRevocationInfo", c_void_p),
+        ("pIssuanceUsage", PCERT_ENHKEY_USAGE),
+        ("pApplicationUsage", PCERT_ENHKEY_USAGE),
+        ("pwszExtendedErrorInfo", LPCWSTR),
+    )
+
+
+PCERT_CHAIN_ELEMENT = POINTER(CERT_CHAIN_ELEMENT)
+
+
+class CERT_SIMPLE_CHAIN(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("TrustStatus", CERT_TRUST_STATUS),
+        ("cElement", DWORD),
+        ("rgpElement", POINTER(PCERT_CHAIN_ELEMENT)),
+        ("pTrustListInfo", c_void_p),
+        ("fHasRevocationFreshnessTime", BOOL),
+        ("dwRevocationFreshnessTime", DWORD),
+    )
+
+
+PCERT_SIMPLE_CHAIN = POINTER(CERT_SIMPLE_CHAIN)
+
+
+class CERT_CHAIN_CONTEXT(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("TrustStatus", CERT_TRUST_STATUS),
+        ("cChain", DWORD),
+        ("rgpChain", POINTER(PCERT_SIMPLE_CHAIN)),
+        ("cLowerQualityChainContext", DWORD),
+        ("rgpLowerQualityChainContext", c_void_p),
+        ("fHasRevocationFreshnessTime", BOOL),
+        ("dwRevocationFreshnessTime", DWORD),
+    )
+
+
+PCERT_CHAIN_CONTEXT = POINTER(CERT_CHAIN_CONTEXT)
+PCCERT_CHAIN_CONTEXT = POINTER(PCERT_CHAIN_CONTEXT)
+
+
+class SSL_EXTRA_CERT_CHAIN_POLICY_PARA(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("dwAuthType", DWORD),
+        ("fdwChecks", DWORD),
+        ("pwszServerName", LPCWSTR),
+    )
+
+
+class CERT_CHAIN_POLICY_PARA(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("dwFlags", DWORD),
+        ("pvExtraPolicyPara", c_void_p),
+    )
+
+
+PCERT_CHAIN_POLICY_PARA = POINTER(CERT_CHAIN_POLICY_PARA)
+
+
+class CERT_CHAIN_POLICY_STATUS(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("dwError", DWORD),
+        ("lChainIndex", LONG),
+        ("lElementIndex", LONG),
+        ("pvExtraPolicyStatus", c_void_p),
+    )
+
+
+PCERT_CHAIN_POLICY_STATUS = POINTER(CERT_CHAIN_POLICY_STATUS)
+
+
+class CERT_CHAIN_ENGINE_CONFIG(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("hRestrictedRoot", HCERTSTORE),
+        ("hRestrictedTrust", HCERTSTORE),
+        ("hRestrictedOther", HCERTSTORE),
+        ("cAdditionalStore", DWORD),
+        ("rghAdditionalStore", c_void_p),
+        ("dwFlags", DWORD),
+        ("dwUrlRetrievalTimeout", DWORD),
+        ("MaximumCachedCertificates", DWORD),
+        ("CycleDetectionModulus", DWORD),
+        ("hExclusiveRoot", HCERTSTORE),
+        ("hExclusiveTrustedPeople", HCERTSTORE),
+        ("dwExclusiveFlags", DWORD),
+    )
+
+
+PCERT_CHAIN_ENGINE_CONFIG = POINTER(CERT_CHAIN_ENGINE_CONFIG)
+PHCERTCHAINENGINE = POINTER(HCERTCHAINENGINE)
+
+X509_ASN_ENCODING = 0x00000001
+PKCS_7_ASN_ENCODING = 0x00010000
+CERT_STORE_PROV_MEMORY = b"Memory"
+CERT_STORE_ADD_USE_EXISTING = 2
+USAGE_MATCH_TYPE_OR = 1
+OID_PKIX_KP_SERVER_AUTH = c_char_p(b"1.3.6.1.5.5.7.3.1")
+CERT_CHAIN_REVOCATION_CHECK_END_CERT = 0x10000000
+CERT_CHAIN_REVOCATION_CHECK_CHAIN = 0x20000000
+CERT_CHAIN_POLICY_IGNORE_ALL_NOT_TIME_VALID_FLAGS = 0x00000007
+CERT_CHAIN_POLICY_IGNORE_INVALID_BASIC_CONSTRAINTS_FLAG = 0x00000008
+CERT_CHAIN_POLICY_ALLOW_UNKNOWN_CA_FLAG = 0x00000010
+CERT_CHAIN_POLICY_IGNORE_INVALID_NAME_FLAG = 0x00000040
+CERT_CHAIN_POLICY_IGNORE_WRONG_USAGE_FLAG = 0x00000020
+CERT_CHAIN_POLICY_IGNORE_INVALID_POLICY_FLAG = 0x00000080
+CERT_CHAIN_POLICY_IGNORE_ALL_REV_UNKNOWN_FLAGS = 0x00000F00
+CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG = 0x00008000
+CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG = 0x00004000
+AUTHTYPE_SERVER = 2
+CERT_CHAIN_POLICY_SSL = 4
+FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000
+FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200
+
+# Flags to set for SSLContext.verify_mode=CERT_NONE
+CERT_CHAIN_POLICY_VERIFY_MODE_NONE_FLAGS = (
+    CERT_CHAIN_POLICY_IGNORE_ALL_NOT_TIME_VALID_FLAGS
+    | CERT_CHAIN_POLICY_IGNORE_INVALID_BASIC_CONSTRAINTS_FLAG
+    | CERT_CHAIN_POLICY_ALLOW_UNKNOWN_CA_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_INVALID_NAME_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_WRONG_USAGE_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_INVALID_POLICY_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_ALL_REV_UNKNOWN_FLAGS
+    | CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG
+    | CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG
+)
+
+wincrypt = WinDLL("crypt32.dll")
+kernel32 = WinDLL("kernel32.dll")
+
+
+def _handle_win_error(result: bool, _: Any, args: Any) -> Any:
+    if not result:
+        # Note, actually raises OSError after calling GetLastError and FormatMessage
+        raise WinError()
+    return args
+
+
+CertCreateCertificateChainEngine = wincrypt.CertCreateCertificateChainEngine
+CertCreateCertificateChainEngine.argtypes = (
+    PCERT_CHAIN_ENGINE_CONFIG,
+    PHCERTCHAINENGINE,
+)
+CertCreateCertificateChainEngine.errcheck = _handle_win_error
+
+CertOpenStore = wincrypt.CertOpenStore
+CertOpenStore.argtypes = (LPCSTR, DWORD, HCRYPTPROV_LEGACY, DWORD, c_void_p)
+CertOpenStore.restype = HCERTSTORE
+CertOpenStore.errcheck = _handle_win_error
+
+CertAddEncodedCertificateToStore = wincrypt.CertAddEncodedCertificateToStore
+CertAddEncodedCertificateToStore.argtypes = (
+    HCERTSTORE,
+    DWORD,
+    c_char_p,
+    DWORD,
+    DWORD,
+    PCCERT_CONTEXT,
+)
+CertAddEncodedCertificateToStore.restype = BOOL
+
+CertCreateCertificateContext = wincrypt.CertCreateCertificateContext
+CertCreateCertificateContext.argtypes = (DWORD, c_char_p, DWORD)
+CertCreateCertificateContext.restype = PCERT_CONTEXT
+CertCreateCertificateContext.errcheck = _handle_win_error
+
+CertGetCertificateChain = wincrypt.CertGetCertificateChain
+CertGetCertificateChain.argtypes = (
+    HCERTCHAINENGINE,
+    PCERT_CONTEXT,
+    LPFILETIME,
+    HCERTSTORE,
+    PCERT_CHAIN_PARA,
+    DWORD,
+    c_void_p,
+    PCCERT_CHAIN_CONTEXT,
+)
+CertGetCertificateChain.restype = BOOL
+CertGetCertificateChain.errcheck = _handle_win_error
+
+CertVerifyCertificateChainPolicy = wincrypt.CertVerifyCertificateChainPolicy
+CertVerifyCertificateChainPolicy.argtypes = (
+    c_ulong,
+    PCERT_CHAIN_CONTEXT,
+    PCERT_CHAIN_POLICY_PARA,
+    PCERT_CHAIN_POLICY_STATUS,
+)
+CertVerifyCertificateChainPolicy.restype = BOOL
+
+CertCloseStore = wincrypt.CertCloseStore
+CertCloseStore.argtypes = (HCERTSTORE, DWORD)
+CertCloseStore.restype = BOOL
+CertCloseStore.errcheck = _handle_win_error
+
+CertFreeCertificateChain = wincrypt.CertFreeCertificateChain
+CertFreeCertificateChain.argtypes = (PCERT_CHAIN_CONTEXT,)
+
+CertFreeCertificateContext = wincrypt.CertFreeCertificateContext
+CertFreeCertificateContext.argtypes = (PCERT_CONTEXT,)
+
+CertFreeCertificateChainEngine = wincrypt.CertFreeCertificateChainEngine
+CertFreeCertificateChainEngine.argtypes = (HCERTCHAINENGINE,)
+
+FormatMessageW = kernel32.FormatMessageW
+FormatMessageW.argtypes = (
+    DWORD,
+    LPCVOID,
+    DWORD,
+    DWORD,
+    LPWSTR,
+    DWORD,
+    c_void_p,
+)
+FormatMessageW.restype = DWORD
+
+
+def _verify_peercerts_impl(
+    ssl_context: ssl.SSLContext,
+    cert_chain: list[bytes],
+    server_hostname: str | None = None,
+) -> None:
+    """Verify the cert_chain from the server using Windows APIs."""
+    pCertContext = None
+    hIntermediateCertStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, None, 0, None)
+    try:
+        # Add intermediate certs to an in-memory cert store
+        for cert_bytes in cert_chain[1:]:
+            CertAddEncodedCertificateToStore(
+                hIntermediateCertStore,
+                X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
+                cert_bytes,
+                len(cert_bytes),
+                CERT_STORE_ADD_USE_EXISTING,
+                None,
+            )
+
+        # Cert context for leaf cert
+        leaf_cert = cert_chain[0]
+        pCertContext = CertCreateCertificateContext(
+            X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, leaf_cert, len(leaf_cert)
+        )
+
+        # Chain params to match certs for serverAuth extended usage
+        cert_enhkey_usage = CERT_ENHKEY_USAGE()
+        cert_enhkey_usage.cUsageIdentifier = 1
+        cert_enhkey_usage.rgpszUsageIdentifier = (c_char_p * 1)(OID_PKIX_KP_SERVER_AUTH)
+        cert_usage_match = CERT_USAGE_MATCH()
+        cert_usage_match.Usage = cert_enhkey_usage
+        chain_params = CERT_CHAIN_PARA()
+        chain_params.RequestedUsage = cert_usage_match
+        chain_params.cbSize = sizeof(chain_params)
+        pChainPara = pointer(chain_params)
+
+        if ssl_context.verify_flags & ssl.VERIFY_CRL_CHECK_CHAIN:
+            chain_flags = CERT_CHAIN_REVOCATION_CHECK_CHAIN
+        elif ssl_context.verify_flags & ssl.VERIFY_CRL_CHECK_LEAF:
+            chain_flags = CERT_CHAIN_REVOCATION_CHECK_END_CERT
+        else:
+            chain_flags = 0
+
+        try:
+            # First attempt to verify using the default Windows system trust roots
+            # (default chain engine).
+            _get_and_verify_cert_chain(
+                ssl_context,
+                None,
+                hIntermediateCertStore,
+                pCertContext,
+                pChainPara,
+                server_hostname,
+                chain_flags=chain_flags,
+            )
+        except ssl.SSLCertVerificationError:
+            # If that fails but custom CA certs have been added
+            # to the SSLContext using load_verify_locations,
+            # try verifying using a custom chain engine
+            # that trusts the custom CA certs.
+            custom_ca_certs: list[bytes] | None = ssl_context.get_ca_certs(
+                binary_form=True
+            )
+            if custom_ca_certs:
+                _verify_using_custom_ca_certs(
+                    ssl_context,
+                    custom_ca_certs,
+                    hIntermediateCertStore,
+                    pCertContext,
+                    pChainPara,
+                    server_hostname,
+                    chain_flags=chain_flags,
+                )
+            else:
+                raise
+    finally:
+        CertCloseStore(hIntermediateCertStore, 0)
+        if pCertContext:
+            CertFreeCertificateContext(pCertContext)
+
+
+def _get_and_verify_cert_chain(
+    ssl_context: ssl.SSLContext,
+    hChainEngine: HCERTCHAINENGINE | None,
+    hIntermediateCertStore: HCERTSTORE,
+    pPeerCertContext: c_void_p,
+    pChainPara: PCERT_CHAIN_PARA,  # type: ignore[valid-type]
+    server_hostname: str | None,
+    chain_flags: int,
+) -> None:
+    ppChainContext = None
+    try:
+        # Get cert chain
+        ppChainContext = pointer(PCERT_CHAIN_CONTEXT())
+        CertGetCertificateChain(
+            hChainEngine,  # chain engine
+            pPeerCertContext,  # leaf cert context
+            None,  # current system time
+            hIntermediateCertStore,  # additional in-memory cert store
+            pChainPara,  # chain-building parameters
+            chain_flags,
+            None,  # reserved
+            ppChainContext,  # the resulting chain context
+        )
+        pChainContext = ppChainContext.contents
+
+        # Verify cert chain
+        ssl_extra_cert_chain_policy_para = SSL_EXTRA_CERT_CHAIN_POLICY_PARA()
+        ssl_extra_cert_chain_policy_para.cbSize = sizeof(
+            ssl_extra_cert_chain_policy_para
+        )
+        ssl_extra_cert_chain_policy_para.dwAuthType = AUTHTYPE_SERVER
+        ssl_extra_cert_chain_policy_para.fdwChecks = 0
+        if server_hostname:
+            ssl_extra_cert_chain_policy_para.pwszServerName = c_wchar_p(server_hostname)
+
+        chain_policy = CERT_CHAIN_POLICY_PARA()
+        chain_policy.pvExtraPolicyPara = cast(
+            pointer(ssl_extra_cert_chain_policy_para), c_void_p
+        )
+        if ssl_context.verify_mode == ssl.CERT_NONE:
+            chain_policy.dwFlags |= CERT_CHAIN_POLICY_VERIFY_MODE_NONE_FLAGS
+        if not ssl_context.check_hostname:
+            chain_policy.dwFlags |= CERT_CHAIN_POLICY_IGNORE_INVALID_NAME_FLAG
+        chain_policy.cbSize = sizeof(chain_policy)
+
+        pPolicyPara = pointer(chain_policy)
+        policy_status = CERT_CHAIN_POLICY_STATUS()
+        policy_status.cbSize = sizeof(policy_status)
+        pPolicyStatus = pointer(policy_status)
+        CertVerifyCertificateChainPolicy(
+            CERT_CHAIN_POLICY_SSL,
+            pChainContext,
+            pPolicyPara,
+            pPolicyStatus,
+        )
+
+        # Check status
+        error_code = policy_status.dwError
+        if error_code:
+            # Try getting a human readable message for an error code.
+            error_message_buf = create_unicode_buffer(1024)
+            error_message_chars = FormatMessageW(
+                FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+                None,
+                error_code,
+                0,
+                error_message_buf,
+                sizeof(error_message_buf),
+                None,
+            )
+
+            # See if we received a message for the error,
+            # otherwise we use a generic error with the
+            # error code and hope that it's search-able.
+            if error_message_chars <= 0:
+                error_message = f"Certificate chain policy error {error_code:#x} [{policy_status.lElementIndex}]"
+            else:
+                error_message = error_message_buf.value.strip()
+
+            err = ssl.SSLCertVerificationError(error_message)
+            err.verify_message = error_message
+            err.verify_code = error_code
+            raise err from None
+    finally:
+        if ppChainContext:
+            CertFreeCertificateChain(ppChainContext.contents)
+
+
+def _verify_using_custom_ca_certs(
+    ssl_context: ssl.SSLContext,
+    custom_ca_certs: list[bytes],
+    hIntermediateCertStore: HCERTSTORE,
+    pPeerCertContext: c_void_p,
+    pChainPara: PCERT_CHAIN_PARA,  # type: ignore[valid-type]
+    server_hostname: str | None,
+    chain_flags: int,
+) -> None:
+    hChainEngine = None
+    hRootCertStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, None, 0, None)
+    try:
+        # Add custom CA certs to an in-memory cert store
+        for cert_bytes in custom_ca_certs:
+            CertAddEncodedCertificateToStore(
+                hRootCertStore,
+                X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
+                cert_bytes,
+                len(cert_bytes),
+                CERT_STORE_ADD_USE_EXISTING,
+                None,
+            )
+
+        # Create a custom cert chain engine which exclusively trusts
+        # certs from our hRootCertStore
+        cert_chain_engine_config = CERT_CHAIN_ENGINE_CONFIG()
+        cert_chain_engine_config.cbSize = sizeof(cert_chain_engine_config)
+        cert_chain_engine_config.hExclusiveRoot = hRootCertStore
+        pConfig = pointer(cert_chain_engine_config)
+        phChainEngine = pointer(HCERTCHAINENGINE())
+        CertCreateCertificateChainEngine(
+            pConfig,
+            phChainEngine,
+        )
+        hChainEngine = phChainEngine.contents
+
+        # Get and verify a cert chain using the custom chain engine
+        _get_and_verify_cert_chain(
+            ssl_context,
+            hChainEngine,
+            hIntermediateCertStore,
+            pPeerCertContext,
+            pChainPara,
+            server_hostname,
+            chain_flags,
+        )
+    finally:
+        if hChainEngine:
+            CertFreeCertificateChainEngine(hChainEngine)
+        CertCloseStore(hRootCertStore, 0)
+
+
+@contextlib.contextmanager
+def _configure_context(ctx: ssl.SSLContext) -> typing.Iterator[None]:
+    check_hostname = ctx.check_hostname
+    verify_mode = ctx.verify_mode
+    ctx.check_hostname = False
+    _set_ssl_context_verify_mode(ctx, ssl.CERT_NONE)
+    try:
+        yield
+    finally:
+        ctx.check_hostname = check_hostname
+        _set_ssl_context_verify_mode(ctx, verify_mode)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/truststore/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/typing_extensions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/typing_extensions.py
new file mode 100644
index 00000000..4f93acff
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/typing_extensions.py
@@ -0,0 +1,3072 @@
+import abc
+import collections
+import collections.abc
+import functools
+import inspect
+import operator
+import sys
+import types as _types
+import typing
+import warnings
+
+__all__ = [
+    # Super-special typing primitives.
+    'Any',
+    'ClassVar',
+    'Concatenate',
+    'Final',
+    'LiteralString',
+    'ParamSpec',
+    'ParamSpecArgs',
+    'ParamSpecKwargs',
+    'Self',
+    'Type',
+    'TypeVar',
+    'TypeVarTuple',
+    'Unpack',
+
+    # ABCs (from collections.abc).
+    'Awaitable',
+    'AsyncIterator',
+    'AsyncIterable',
+    'Coroutine',
+    'AsyncGenerator',
+    'AsyncContextManager',
+    'Buffer',
+    'ChainMap',
+
+    # Concrete collection types.
+    'ContextManager',
+    'Counter',
+    'Deque',
+    'DefaultDict',
+    'NamedTuple',
+    'OrderedDict',
+    'TypedDict',
+
+    # Structural checks, a.k.a. protocols.
+    'SupportsAbs',
+    'SupportsBytes',
+    'SupportsComplex',
+    'SupportsFloat',
+    'SupportsIndex',
+    'SupportsInt',
+    'SupportsRound',
+
+    # One-off things.
+    'Annotated',
+    'assert_never',
+    'assert_type',
+    'clear_overloads',
+    'dataclass_transform',
+    'deprecated',
+    'get_overloads',
+    'final',
+    'get_args',
+    'get_origin',
+    'get_original_bases',
+    'get_protocol_members',
+    'get_type_hints',
+    'IntVar',
+    'is_protocol',
+    'is_typeddict',
+    'Literal',
+    'NewType',
+    'overload',
+    'override',
+    'Protocol',
+    'reveal_type',
+    'runtime',
+    'runtime_checkable',
+    'Text',
+    'TypeAlias',
+    'TypeAliasType',
+    'TypeGuard',
+    'TYPE_CHECKING',
+    'Never',
+    'NoReturn',
+    'Required',
+    'NotRequired',
+
+    # Pure aliases, have always been in typing
+    'AbstractSet',
+    'AnyStr',
+    'BinaryIO',
+    'Callable',
+    'Collection',
+    'Container',
+    'Dict',
+    'ForwardRef',
+    'FrozenSet',
+    'Generator',
+    'Generic',
+    'Hashable',
+    'IO',
+    'ItemsView',
+    'Iterable',
+    'Iterator',
+    'KeysView',
+    'List',
+    'Mapping',
+    'MappingView',
+    'Match',
+    'MutableMapping',
+    'MutableSequence',
+    'MutableSet',
+    'Optional',
+    'Pattern',
+    'Reversible',
+    'Sequence',
+    'Set',
+    'Sized',
+    'TextIO',
+    'Tuple',
+    'Union',
+    'ValuesView',
+    'cast',
+    'no_type_check',
+    'no_type_check_decorator',
+]
+
+# for backward compatibility
+PEP_560 = True
+GenericMeta = type
+
+# The functions below are modified copies of typing internal helpers.
+# They are needed by _ProtocolMeta and they provide support for PEP 646.
+
+
+class _Sentinel:
+    def __repr__(self):
+        return "<sentinel>"
+
+
+_marker = _Sentinel()
+
+
+def _check_generic(cls, parameters, elen=_marker):
+    """Check correct count for parameters of a generic cls (internal helper).
+    This gives a nice error message in case of count mismatch.
+    """
+    if not elen:
+        raise TypeError(f"{cls} is not a generic class")
+    if elen is _marker:
+        if not hasattr(cls, "__parameters__") or not cls.__parameters__:
+            raise TypeError(f"{cls} is not a generic class")
+        elen = len(cls.__parameters__)
+    alen = len(parameters)
+    if alen != elen:
+        if hasattr(cls, "__parameters__"):
+            parameters = [p for p in cls.__parameters__ if not _is_unpack(p)]
+            num_tv_tuples = sum(isinstance(p, TypeVarTuple) for p in parameters)
+            if (num_tv_tuples > 0) and (alen >= elen - num_tv_tuples):
+                return
+        raise TypeError(f"Too {'many' if alen > elen else 'few'} parameters for {cls};"
+                        f" actual {alen}, expected {elen}")
+
+
+if sys.version_info >= (3, 10):
+    def _should_collect_from_parameters(t):
+        return isinstance(
+            t, (typing._GenericAlias, _types.GenericAlias, _types.UnionType)
+        )
+elif sys.version_info >= (3, 9):
+    def _should_collect_from_parameters(t):
+        return isinstance(t, (typing._GenericAlias, _types.GenericAlias))
+else:
+    def _should_collect_from_parameters(t):
+        return isinstance(t, typing._GenericAlias) and not t._special
+
+
+def _collect_type_vars(types, typevar_types=None):
+    """Collect all type variable contained in types in order of
+    first appearance (lexicographic order). For example::
+
+        _collect_type_vars((T, List[S, T])) == (T, S)
+    """
+    if typevar_types is None:
+        typevar_types = typing.TypeVar
+    tvars = []
+    for t in types:
+        if (
+            isinstance(t, typevar_types) and
+            t not in tvars and
+            not _is_unpack(t)
+        ):
+            tvars.append(t)
+        if _should_collect_from_parameters(t):
+            tvars.extend([t for t in t.__parameters__ if t not in tvars])
+    return tuple(tvars)
+
+
+NoReturn = typing.NoReturn
+
+# Some unconstrained type variables.  These are used by the container types.
+# (These are not for export.)
+T = typing.TypeVar('T')  # Any type.
+KT = typing.TypeVar('KT')  # Key type.
+VT = typing.TypeVar('VT')  # Value type.
+T_co = typing.TypeVar('T_co', covariant=True)  # Any type covariant containers.
+T_contra = typing.TypeVar('T_contra', contravariant=True)  # Ditto contravariant.
+
+
+if sys.version_info >= (3, 11):
+    from typing import Any
+else:
+
+    class _AnyMeta(type):
+        def __instancecheck__(self, obj):
+            if self is Any:
+                raise TypeError("typing_extensions.Any cannot be used with isinstance()")
+            return super().__instancecheck__(obj)
+
+        def __repr__(self):
+            if self is Any:
+                return "typing_extensions.Any"
+            return super().__repr__()
+
+    class Any(metaclass=_AnyMeta):
+        """Special type indicating an unconstrained type.
+        - Any is compatible with every type.
+        - Any assumed to have all methods.
+        - All values assumed to be instances of Any.
+        Note that all the above statements are true from the point of view of
+        static type checkers. At runtime, Any should not be used with instance
+        checks.
+        """
+        def __new__(cls, *args, **kwargs):
+            if cls is Any:
+                raise TypeError("Any cannot be instantiated")
+            return super().__new__(cls, *args, **kwargs)
+
+
+ClassVar = typing.ClassVar
+
+
+class _ExtensionsSpecialForm(typing._SpecialForm, _root=True):
+    def __repr__(self):
+        return 'typing_extensions.' + self._name
+
+
+# On older versions of typing there is an internal class named "Final".
+# 3.8+
+if hasattr(typing, 'Final') and sys.version_info[:2] >= (3, 7):
+    Final = typing.Final
+# 3.7
+else:
+    class _FinalForm(_ExtensionsSpecialForm, _root=True):
+        def __getitem__(self, parameters):
+            item = typing._type_check(parameters,
+                                      f'{self._name} accepts only a single type.')
+            return typing._GenericAlias(self, (item,))
+
+    Final = _FinalForm('Final',
+                       doc="""A special typing construct to indicate that a name
+                       cannot be re-assigned or overridden in a subclass.
+                       For example:
+
+                           MAX_SIZE: Final = 9000
+                           MAX_SIZE += 1  # Error reported by type checker
+
+                           class Connection:
+                               TIMEOUT: Final[int] = 10
+                           class FastConnector(Connection):
+                               TIMEOUT = 1  # Error reported by type checker
+
+                       There is no runtime checking of these properties.""")
+
+if sys.version_info >= (3, 11):
+    final = typing.final
+else:
+    # @final exists in 3.8+, but we backport it for all versions
+    # before 3.11 to keep support for the __final__ attribute.
+    # See https://bugs.python.org/issue46342
+    def final(f):
+        """This decorator can be used to indicate to type checkers that
+        the decorated method cannot be overridden, and decorated class
+        cannot be subclassed. For example:
+
+            class Base:
+                @final
+                def done(self) -> None:
+                    ...
+            class Sub(Base):
+                def done(self) -> None:  # Error reported by type checker
+                    ...
+            @final
+            class Leaf:
+                ...
+            class Other(Leaf):  # Error reported by type checker
+                ...
+
+        There is no runtime checking of these properties. The decorator
+        sets the ``__final__`` attribute to ``True`` on the decorated object
+        to allow runtime introspection.
+        """
+        try:
+            f.__final__ = True
+        except (AttributeError, TypeError):
+            # Skip the attribute silently if it is not writable.
+            # AttributeError happens if the object has __slots__ or a
+            # read-only property, TypeError if it's a builtin class.
+            pass
+        return f
+
+
+def IntVar(name):
+    return typing.TypeVar(name)
+
+
+# A Literal bug was fixed in 3.11.0, 3.10.1 and 3.9.8
+if sys.version_info >= (3, 10, 1):
+    Literal = typing.Literal
+else:
+    def _flatten_literal_params(parameters):
+        """An internal helper for Literal creation: flatten Literals among parameters"""
+        params = []
+        for p in parameters:
+            if isinstance(p, _LiteralGenericAlias):
+                params.extend(p.__args__)
+            else:
+                params.append(p)
+        return tuple(params)
+
+    def _value_and_type_iter(params):
+        for p in params:
+            yield p, type(p)
+
+    class _LiteralGenericAlias(typing._GenericAlias, _root=True):
+        def __eq__(self, other):
+            if not isinstance(other, _LiteralGenericAlias):
+                return NotImplemented
+            these_args_deduped = set(_value_and_type_iter(self.__args__))
+            other_args_deduped = set(_value_and_type_iter(other.__args__))
+            return these_args_deduped == other_args_deduped
+
+        def __hash__(self):
+            return hash(frozenset(_value_and_type_iter(self.__args__)))
+
+    class _LiteralForm(_ExtensionsSpecialForm, _root=True):
+        def __init__(self, doc: str):
+            self._name = 'Literal'
+            self._doc = self.__doc__ = doc
+
+        def __getitem__(self, parameters):
+            if not isinstance(parameters, tuple):
+                parameters = (parameters,)
+
+            parameters = _flatten_literal_params(parameters)
+
+            val_type_pairs = list(_value_and_type_iter(parameters))
+            try:
+                deduped_pairs = set(val_type_pairs)
+            except TypeError:
+                # unhashable parameters
+                pass
+            else:
+                # similar logic to typing._deduplicate on Python 3.9+
+                if len(deduped_pairs) < len(val_type_pairs):
+                    new_parameters = []
+                    for pair in val_type_pairs:
+                        if pair in deduped_pairs:
+                            new_parameters.append(pair[0])
+                            deduped_pairs.remove(pair)
+                    assert not deduped_pairs, deduped_pairs
+                    parameters = tuple(new_parameters)
+
+            return _LiteralGenericAlias(self, parameters)
+
+    Literal = _LiteralForm(doc="""\
+                           A type that can be used to indicate to type checkers
+                           that the corresponding value has a value literally equivalent
+                           to the provided parameter. For example:
+
+                               var: Literal[4] = 4
+
+                           The type checker understands that 'var' is literally equal to
+                           the value 4 and no other value.
+
+                           Literal[...] cannot be subclassed. There is no runtime
+                           checking verifying that the parameter is actually a value
+                           instead of a type.""")
+
+
+_overload_dummy = typing._overload_dummy
+
+
+if hasattr(typing, "get_overloads"):  # 3.11+
+    overload = typing.overload
+    get_overloads = typing.get_overloads
+    clear_overloads = typing.clear_overloads
+else:
+    # {module: {qualname: {firstlineno: func}}}
+    _overload_registry = collections.defaultdict(
+        functools.partial(collections.defaultdict, dict)
+    )
+
+    def overload(func):
+        """Decorator for overloaded functions/methods.
+
+        In a stub file, place two or more stub definitions for the same
+        function in a row, each decorated with @overload.  For example:
+
+        @overload
+        def utf8(value: None) -> None: ...
+        @overload
+        def utf8(value: bytes) -> bytes: ...
+        @overload
+        def utf8(value: str) -> bytes: ...
+
+        In a non-stub file (i.e. a regular .py file), do the same but
+        follow it with an implementation.  The implementation should *not*
+        be decorated with @overload.  For example:
+
+        @overload
+        def utf8(value: None) -> None: ...
+        @overload
+        def utf8(value: bytes) -> bytes: ...
+        @overload
+        def utf8(value: str) -> bytes: ...
+        def utf8(value):
+            # implementation goes here
+
+        The overloads for a function can be retrieved at runtime using the
+        get_overloads() function.
+        """
+        # classmethod and staticmethod
+        f = getattr(func, "__func__", func)
+        try:
+            _overload_registry[f.__module__][f.__qualname__][
+                f.__code__.co_firstlineno
+            ] = func
+        except AttributeError:
+            # Not a normal function; ignore.
+            pass
+        return _overload_dummy
+
+    def get_overloads(func):
+        """Return all defined overloads for *func* as a sequence."""
+        # classmethod and staticmethod
+        f = getattr(func, "__func__", func)
+        if f.__module__ not in _overload_registry:
+            return []
+        mod_dict = _overload_registry[f.__module__]
+        if f.__qualname__ not in mod_dict:
+            return []
+        return list(mod_dict[f.__qualname__].values())
+
+    def clear_overloads():
+        """Clear all overloads in the registry."""
+        _overload_registry.clear()
+
+
+# This is not a real generic class.  Don't use outside annotations.
+Type = typing.Type
+
+# Various ABCs mimicking those in collections.abc.
+# A few are simply re-exported for completeness.
+
+
+Awaitable = typing.Awaitable
+Coroutine = typing.Coroutine
+AsyncIterable = typing.AsyncIterable
+AsyncIterator = typing.AsyncIterator
+Deque = typing.Deque
+ContextManager = typing.ContextManager
+AsyncContextManager = typing.AsyncContextManager
+DefaultDict = typing.DefaultDict
+
+# 3.7.2+
+if hasattr(typing, 'OrderedDict'):
+    OrderedDict = typing.OrderedDict
+# 3.7.0-3.7.2
+else:
+    OrderedDict = typing._alias(collections.OrderedDict, (KT, VT))
+
+Counter = typing.Counter
+ChainMap = typing.ChainMap
+AsyncGenerator = typing.AsyncGenerator
+Text = typing.Text
+TYPE_CHECKING = typing.TYPE_CHECKING
+
+
+_PROTO_ALLOWLIST = {
+    'collections.abc': [
+        'Callable', 'Awaitable', 'Iterable', 'Iterator', 'AsyncIterable',
+        'Hashable', 'Sized', 'Container', 'Collection', 'Reversible', 'Buffer',
+    ],
+    'contextlib': ['AbstractContextManager', 'AbstractAsyncContextManager'],
+    'typing_extensions': ['Buffer'],
+}
+
+
+_EXCLUDED_ATTRS = {
+    "__abstractmethods__", "__annotations__", "__weakref__", "_is_protocol",
+    "_is_runtime_protocol", "__dict__", "__slots__", "__parameters__",
+    "__orig_bases__", "__module__", "_MutableMapping__marker", "__doc__",
+    "__subclasshook__", "__orig_class__", "__init__", "__new__",
+    "__protocol_attrs__", "__callable_proto_members_only__",
+}
+
+if sys.version_info < (3, 8):
+    _EXCLUDED_ATTRS |= {
+        "_gorg", "__next_in_mro__", "__extra__", "__tree_hash__", "__args__",
+        "__origin__"
+    }
+
+if sys.version_info >= (3, 9):
+    _EXCLUDED_ATTRS.add("__class_getitem__")
+
+if sys.version_info >= (3, 12):
+    _EXCLUDED_ATTRS.add("__type_params__")
+
+_EXCLUDED_ATTRS = frozenset(_EXCLUDED_ATTRS)
+
+
+def _get_protocol_attrs(cls):
+    attrs = set()
+    for base in cls.__mro__[:-1]:  # without object
+        if base.__name__ in {'Protocol', 'Generic'}:
+            continue
+        annotations = getattr(base, '__annotations__', {})
+        for attr in (*base.__dict__, *annotations):
+            if (not attr.startswith('_abc_') and attr not in _EXCLUDED_ATTRS):
+                attrs.add(attr)
+    return attrs
+
+
+def _maybe_adjust_parameters(cls):
+    """Helper function used in Protocol.__init_subclass__ and _TypedDictMeta.__new__.
+
+    The contents of this function are very similar
+    to logic found in typing.Generic.__init_subclass__
+    on the CPython main branch.
+    """
+    tvars = []
+    if '__orig_bases__' in cls.__dict__:
+        tvars = _collect_type_vars(cls.__orig_bases__)
+        # Look for Generic[T1, ..., Tn] or Protocol[T1, ..., Tn].
+        # If found, tvars must be a subset of it.
+        # If not found, tvars is it.
+        # Also check for and reject plain Generic,
+        # and reject multiple Generic[...] and/or Protocol[...].
+        gvars = None
+        for base in cls.__orig_bases__:
+            if (isinstance(base, typing._GenericAlias) and
+                    base.__origin__ in (typing.Generic, Protocol)):
+                # for error messages
+                the_base = base.__origin__.__name__
+                if gvars is not None:
+                    raise TypeError(
+                        "Cannot inherit from Generic[...]"
+                        " and/or Protocol[...] multiple types.")
+                gvars = base.__parameters__
+        if gvars is None:
+            gvars = tvars
+        else:
+            tvarset = set(tvars)
+            gvarset = set(gvars)
+            if not tvarset <= gvarset:
+                s_vars = ', '.join(str(t) for t in tvars if t not in gvarset)
+                s_args = ', '.join(str(g) for g in gvars)
+                raise TypeError(f"Some type variables ({s_vars}) are"
+                                f" not listed in {the_base}[{s_args}]")
+            tvars = gvars
+    cls.__parameters__ = tuple(tvars)
+
+
+def _caller(depth=2):
+    try:
+        return sys._getframe(depth).f_globals.get('__name__', '__main__')
+    except (AttributeError, ValueError):  # For platforms without _getframe()
+        return None
+
+
+# The performance of runtime-checkable protocols is significantly improved on Python 3.12,
+# so we backport the 3.12 version of Protocol to Python <=3.11
+if sys.version_info >= (3, 12):
+    Protocol = typing.Protocol
+else:
+    def _allow_reckless_class_checks(depth=3):
+        """Allow instance and class checks for special stdlib modules.
+        The abc and functools modules indiscriminately call isinstance() and
+        issubclass() on the whole MRO of a user class, which may contain protocols.
+        """
+        return _caller(depth) in {'abc', 'functools', None}
+
+    def _no_init(self, *args, **kwargs):
+        if type(self)._is_protocol:
+            raise TypeError('Protocols cannot be instantiated')
+
+    if sys.version_info >= (3, 8):
+        # Inheriting from typing._ProtocolMeta isn't actually desirable,
+        # but is necessary to allow typing.Protocol and typing_extensions.Protocol
+        # to mix without getting TypeErrors about "metaclass conflict"
+        _typing_Protocol = typing.Protocol
+        _ProtocolMetaBase = type(_typing_Protocol)
+    else:
+        _typing_Protocol = _marker
+        _ProtocolMetaBase = abc.ABCMeta
+
+    class _ProtocolMeta(_ProtocolMetaBase):
+        # This metaclass is somewhat unfortunate,
+        # but is necessary for several reasons...
+        #
+        # NOTE: DO NOT call super() in any methods in this class
+        # That would call the methods on typing._ProtocolMeta on Python 3.8-3.11
+        # and those are slow
+        def __new__(mcls, name, bases, namespace, **kwargs):
+            if name == "Protocol" and len(bases) < 2:
+                pass
+            elif {Protocol, _typing_Protocol} & set(bases):
+                for base in bases:
+                    if not (
+                        base in {object, typing.Generic, Protocol, _typing_Protocol}
+                        or base.__name__ in _PROTO_ALLOWLIST.get(base.__module__, [])
+                        or is_protocol(base)
+                    ):
+                        raise TypeError(
+                            f"Protocols can only inherit from other protocols, "
+                            f"got {base!r}"
+                        )
+            return abc.ABCMeta.__new__(mcls, name, bases, namespace, **kwargs)
+
+        def __init__(cls, *args, **kwargs):
+            abc.ABCMeta.__init__(cls, *args, **kwargs)
+            if getattr(cls, "_is_protocol", False):
+                cls.__protocol_attrs__ = _get_protocol_attrs(cls)
+                # PEP 544 prohibits using issubclass()
+                # with protocols that have non-method members.
+                cls.__callable_proto_members_only__ = all(
+                    callable(getattr(cls, attr, None)) for attr in cls.__protocol_attrs__
+                )
+
+        def __subclasscheck__(cls, other):
+            if cls is Protocol:
+                return type.__subclasscheck__(cls, other)
+            if (
+                getattr(cls, '_is_protocol', False)
+                and not _allow_reckless_class_checks()
+            ):
+                if not isinstance(other, type):
+                    # Same error message as for issubclass(1, int).
+                    raise TypeError('issubclass() arg 1 must be a class')
+                if (
+                    not cls.__callable_proto_members_only__
+                    and cls.__dict__.get("__subclasshook__") is _proto_hook
+                ):
+                    raise TypeError(
+                        "Protocols with non-method members don't support issubclass()"
+                    )
+                if not getattr(cls, '_is_runtime_protocol', False):
+                    raise TypeError(
+                        "Instance and class checks can only be used with "
+                        "@runtime_checkable protocols"
+                    )
+            return abc.ABCMeta.__subclasscheck__(cls, other)
+
+        def __instancecheck__(cls, instance):
+            # We need this method for situations where attributes are
+            # assigned in __init__.
+            if cls is Protocol:
+                return type.__instancecheck__(cls, instance)
+            if not getattr(cls, "_is_protocol", False):
+                # i.e., it's a concrete subclass of a protocol
+                return abc.ABCMeta.__instancecheck__(cls, instance)
+
+            if (
+                not getattr(cls, '_is_runtime_protocol', False) and
+                not _allow_reckless_class_checks()
+            ):
+                raise TypeError("Instance and class checks can only be used with"
+                                " @runtime_checkable protocols")
+
+            if abc.ABCMeta.__instancecheck__(cls, instance):
+                return True
+
+            for attr in cls.__protocol_attrs__:
+                try:
+                    val = inspect.getattr_static(instance, attr)
+                except AttributeError:
+                    break
+                if val is None and callable(getattr(cls, attr, None)):
+                    break
+            else:
+                return True
+
+            return False
+
+        def __eq__(cls, other):
+            # Hack so that typing.Generic.__class_getitem__
+            # treats typing_extensions.Protocol
+            # as equivalent to typing.Protocol on Python 3.8+
+            if abc.ABCMeta.__eq__(cls, other) is True:
+                return True
+            return (
+                cls is Protocol and other is getattr(typing, "Protocol", object())
+            )
+
+        # This has to be defined, or the abc-module cache
+        # complains about classes with this metaclass being unhashable,
+        # if we define only __eq__!
+        def __hash__(cls) -> int:
+            return type.__hash__(cls)
+
+    @classmethod
+    def _proto_hook(cls, other):
+        if not cls.__dict__.get('_is_protocol', False):
+            return NotImplemented
+
+        for attr in cls.__protocol_attrs__:
+            for base in other.__mro__:
+                # Check if the members appears in the class dictionary...
+                if attr in base.__dict__:
+                    if base.__dict__[attr] is None:
+                        return NotImplemented
+                    break
+
+                # ...or in annotations, if it is a sub-protocol.
+                annotations = getattr(base, '__annotations__', {})
+                if (
+                    isinstance(annotations, collections.abc.Mapping)
+                    and attr in annotations
+                    and is_protocol(other)
+                ):
+                    break
+            else:
+                return NotImplemented
+        return True
+
+    if sys.version_info >= (3, 8):
+        class Protocol(typing.Generic, metaclass=_ProtocolMeta):
+            __doc__ = typing.Protocol.__doc__
+            __slots__ = ()
+            _is_protocol = True
+            _is_runtime_protocol = False
+
+            def __init_subclass__(cls, *args, **kwargs):
+                super().__init_subclass__(*args, **kwargs)
+
+                # Determine if this is a protocol or a concrete subclass.
+                if not cls.__dict__.get('_is_protocol', False):
+                    cls._is_protocol = any(b is Protocol for b in cls.__bases__)
+
+                # Set (or override) the protocol subclass hook.
+                if '__subclasshook__' not in cls.__dict__:
+                    cls.__subclasshook__ = _proto_hook
+
+                # Prohibit instantiation for protocol classes
+                if cls._is_protocol and cls.__init__ is Protocol.__init__:
+                    cls.__init__ = _no_init
+
+    else:
+        class Protocol(metaclass=_ProtocolMeta):
+            # There is quite a lot of overlapping code with typing.Generic.
+            # Unfortunately it is hard to avoid this on Python <3.8,
+            # as the typing module on Python 3.7 doesn't let us subclass typing.Generic!
+            """Base class for protocol classes. Protocol classes are defined as::
+
+                class Proto(Protocol):
+                    def meth(self) -> int:
+                        ...
+
+            Such classes are primarily used with static type checkers that recognize
+            structural subtyping (static duck-typing), for example::
+
+                class C:
+                    def meth(self) -> int:
+                        return 0
+
+                def func(x: Proto) -> int:
+                    return x.meth()
+
+                func(C())  # Passes static type check
+
+            See PEP 544 for details. Protocol classes decorated with
+            @typing_extensions.runtime_checkable act
+            as simple-minded runtime-checkable protocols that check
+            only the presence of given attributes, ignoring their type signatures.
+
+            Protocol classes can be generic, they are defined as::
+
+                class GenProto(Protocol[T]):
+                    def meth(self) -> T:
+                        ...
+            """
+            __slots__ = ()
+            _is_protocol = True
+            _is_runtime_protocol = False
+
+            def __new__(cls, *args, **kwds):
+                if cls is Protocol:
+                    raise TypeError("Type Protocol cannot be instantiated; "
+                                    "it can only be used as a base class")
+                return super().__new__(cls)
+
+            @typing._tp_cache
+            def __class_getitem__(cls, params):
+                if not isinstance(params, tuple):
+                    params = (params,)
+                if not params and cls is not typing.Tuple:
+                    raise TypeError(
+                        f"Parameter list to {cls.__qualname__}[...] cannot be empty")
+                msg = "Parameters to generic types must be types."
+                params = tuple(typing._type_check(p, msg) for p in params)
+                if cls is Protocol:
+                    # Generic can only be subscripted with unique type variables.
+                    if not all(isinstance(p, typing.TypeVar) for p in params):
+                        i = 0
+                        while isinstance(params[i], typing.TypeVar):
+                            i += 1
+                        raise TypeError(
+                            "Parameters to Protocol[...] must all be type variables."
+                            f" Parameter {i + 1} is {params[i]}")
+                    if len(set(params)) != len(params):
+                        raise TypeError(
+                            "Parameters to Protocol[...] must all be unique")
+                else:
+                    # Subscripting a regular Generic subclass.
+                    _check_generic(cls, params, len(cls.__parameters__))
+                return typing._GenericAlias(cls, params)
+
+            def __init_subclass__(cls, *args, **kwargs):
+                if '__orig_bases__' in cls.__dict__:
+                    error = typing.Generic in cls.__orig_bases__
+                else:
+                    error = typing.Generic in cls.__bases__
+                if error:
+                    raise TypeError("Cannot inherit from plain Generic")
+                _maybe_adjust_parameters(cls)
+
+                # Determine if this is a protocol or a concrete subclass.
+                if not cls.__dict__.get('_is_protocol', None):
+                    cls._is_protocol = any(b is Protocol for b in cls.__bases__)
+
+                # Set (or override) the protocol subclass hook.
+                if '__subclasshook__' not in cls.__dict__:
+                    cls.__subclasshook__ = _proto_hook
+
+                # Prohibit instantiation for protocol classes
+                if cls._is_protocol and cls.__init__ is Protocol.__init__:
+                    cls.__init__ = _no_init
+
+
+if sys.version_info >= (3, 8):
+    runtime_checkable = typing.runtime_checkable
+else:
+    def runtime_checkable(cls):
+        """Mark a protocol class as a runtime protocol, so that it
+        can be used with isinstance() and issubclass(). Raise TypeError
+        if applied to a non-protocol class.
+
+        This allows a simple-minded structural check very similar to the
+        one-offs in collections.abc such as Hashable.
+        """
+        if not (
+            (isinstance(cls, _ProtocolMeta) or issubclass(cls, typing.Generic))
+            and getattr(cls, "_is_protocol", False)
+        ):
+            raise TypeError('@runtime_checkable can be only applied to protocol classes,'
+                            f' got {cls!r}')
+        cls._is_runtime_protocol = True
+        return cls
+
+
+# Exists for backwards compatibility.
+runtime = runtime_checkable
+
+
+# Our version of runtime-checkable protocols is faster on Python 3.7-3.11
+if sys.version_info >= (3, 12):
+    SupportsInt = typing.SupportsInt
+    SupportsFloat = typing.SupportsFloat
+    SupportsComplex = typing.SupportsComplex
+    SupportsBytes = typing.SupportsBytes
+    SupportsIndex = typing.SupportsIndex
+    SupportsAbs = typing.SupportsAbs
+    SupportsRound = typing.SupportsRound
+else:
+    @runtime_checkable
+    class SupportsInt(Protocol):
+        """An ABC with one abstract method __int__."""
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __int__(self) -> int:
+            pass
+
+    @runtime_checkable
+    class SupportsFloat(Protocol):
+        """An ABC with one abstract method __float__."""
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __float__(self) -> float:
+            pass
+
+    @runtime_checkable
+    class SupportsComplex(Protocol):
+        """An ABC with one abstract method __complex__."""
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __complex__(self) -> complex:
+            pass
+
+    @runtime_checkable
+    class SupportsBytes(Protocol):
+        """An ABC with one abstract method __bytes__."""
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __bytes__(self) -> bytes:
+            pass
+
+    @runtime_checkable
+    class SupportsIndex(Protocol):
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __index__(self) -> int:
+            pass
+
+    @runtime_checkable
+    class SupportsAbs(Protocol[T_co]):
+        """
+        An ABC with one abstract method __abs__ that is covariant in its return type.
+        """
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __abs__(self) -> T_co:
+            pass
+
+    @runtime_checkable
+    class SupportsRound(Protocol[T_co]):
+        """
+        An ABC with one abstract method __round__ that is covariant in its return type.
+        """
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __round__(self, ndigits: int = 0) -> T_co:
+            pass
+
+
+def _ensure_subclassable(mro_entries):
+    def inner(func):
+        if sys.implementation.name == "pypy" and sys.version_info < (3, 9):
+            cls_dict = {
+                "__call__": staticmethod(func),
+                "__mro_entries__": staticmethod(mro_entries)
+            }
+            t = type(func.__name__, (), cls_dict)
+            return functools.update_wrapper(t(), func)
+        else:
+            func.__mro_entries__ = mro_entries
+            return func
+    return inner
+
+
+if sys.version_info >= (3, 13):
+    # The standard library TypedDict in Python 3.8 does not store runtime information
+    # about which (if any) keys are optional.  See https://bugs.python.org/issue38834
+    # The standard library TypedDict in Python 3.9.0/1 does not honour the "total"
+    # keyword with old-style TypedDict().  See https://bugs.python.org/issue42059
+    # The standard library TypedDict below Python 3.11 does not store runtime
+    # information about optional and required keys when using Required or NotRequired.
+    # Generic TypedDicts are also impossible using typing.TypedDict on Python <3.11.
+    # Aaaand on 3.12 we add __orig_bases__ to TypedDict
+    # to enable better runtime introspection.
+    # On 3.13 we deprecate some odd ways of creating TypedDicts.
+    TypedDict = typing.TypedDict
+    _TypedDictMeta = typing._TypedDictMeta
+    is_typeddict = typing.is_typeddict
+else:
+    # 3.10.0 and later
+    _TAKES_MODULE = "module" in inspect.signature(typing._type_check).parameters
+
+    if sys.version_info >= (3, 8):
+        _fake_name = "Protocol"
+    else:
+        _fake_name = "_Protocol"
+
+    class _TypedDictMeta(type):
+        def __new__(cls, name, bases, ns, total=True):
+            """Create new typed dict class object.
+
+            This method is called when TypedDict is subclassed,
+            or when TypedDict is instantiated. This way
+            TypedDict supports all three syntax forms described in its docstring.
+            Subclasses and instances of TypedDict return actual dictionaries.
+            """
+            for base in bases:
+                if type(base) is not _TypedDictMeta and base is not typing.Generic:
+                    raise TypeError('cannot inherit from both a TypedDict type '
+                                    'and a non-TypedDict base class')
+
+            if any(issubclass(b, typing.Generic) for b in bases):
+                generic_base = (typing.Generic,)
+            else:
+                generic_base = ()
+
+            # typing.py generally doesn't let you inherit from plain Generic, unless
+            # the name of the class happens to be "Protocol" (or "_Protocol" on 3.7).
+            tp_dict = type.__new__(_TypedDictMeta, _fake_name, (*generic_base, dict), ns)
+            tp_dict.__name__ = name
+            if tp_dict.__qualname__ == _fake_name:
+                tp_dict.__qualname__ = name
+
+            if not hasattr(tp_dict, '__orig_bases__'):
+                tp_dict.__orig_bases__ = bases
+
+            annotations = {}
+            own_annotations = ns.get('__annotations__', {})
+            msg = "TypedDict('Name', {f0: t0, f1: t1, ...}); each t must be a type"
+            if _TAKES_MODULE:
+                own_annotations = {
+                    n: typing._type_check(tp, msg, module=tp_dict.__module__)
+                    for n, tp in own_annotations.items()
+                }
+            else:
+                own_annotations = {
+                    n: typing._type_check(tp, msg)
+                    for n, tp in own_annotations.items()
+                }
+            required_keys = set()
+            optional_keys = set()
+
+            for base in bases:
+                annotations.update(base.__dict__.get('__annotations__', {}))
+                required_keys.update(base.__dict__.get('__required_keys__', ()))
+                optional_keys.update(base.__dict__.get('__optional_keys__', ()))
+
+            annotations.update(own_annotations)
+            for annotation_key, annotation_type in own_annotations.items():
+                annotation_origin = get_origin(annotation_type)
+                if annotation_origin is Annotated:
+                    annotation_args = get_args(annotation_type)
+                    if annotation_args:
+                        annotation_type = annotation_args[0]
+                        annotation_origin = get_origin(annotation_type)
+
+                if annotation_origin is Required:
+                    required_keys.add(annotation_key)
+                elif annotation_origin is NotRequired:
+                    optional_keys.add(annotation_key)
+                elif total:
+                    required_keys.add(annotation_key)
+                else:
+                    optional_keys.add(annotation_key)
+
+            tp_dict.__annotations__ = annotations
+            tp_dict.__required_keys__ = frozenset(required_keys)
+            tp_dict.__optional_keys__ = frozenset(optional_keys)
+            if not hasattr(tp_dict, '__total__'):
+                tp_dict.__total__ = total
+            return tp_dict
+
+        __call__ = dict  # static method
+
+        def __subclasscheck__(cls, other):
+            # Typed dicts are only for static structural subtyping.
+            raise TypeError('TypedDict does not support instance and class checks')
+
+        __instancecheck__ = __subclasscheck__
+
+    _TypedDict = type.__new__(_TypedDictMeta, 'TypedDict', (), {})
+
+    @_ensure_subclassable(lambda bases: (_TypedDict,))
+    def TypedDict(__typename, __fields=_marker, *, total=True, **kwargs):
+        """A simple typed namespace. At runtime it is equivalent to a plain dict.
+
+        TypedDict creates a dictionary type such that a type checker will expect all
+        instances to have a certain set of keys, where each key is
+        associated with a value of a consistent type. This expectation
+        is not checked at runtime.
+
+        Usage::
+
+            class Point2D(TypedDict):
+                x: int
+                y: int
+                label: str
+
+            a: Point2D = {'x': 1, 'y': 2, 'label': 'good'}  # OK
+            b: Point2D = {'z': 3, 'label': 'bad'}           # Fails type check
+
+            assert Point2D(x=1, y=2, label='first') == dict(x=1, y=2, label='first')
+
+        The type info can be accessed via the Point2D.__annotations__ dict, and
+        the Point2D.__required_keys__ and Point2D.__optional_keys__ frozensets.
+        TypedDict supports an additional equivalent form::
+
+            Point2D = TypedDict('Point2D', {'x': int, 'y': int, 'label': str})
+
+        By default, all keys must be present in a TypedDict. It is possible
+        to override this by specifying totality::
+
+            class Point2D(TypedDict, total=False):
+                x: int
+                y: int
+
+        This means that a Point2D TypedDict can have any of the keys omitted. A type
+        checker is only expected to support a literal False or True as the value of
+        the total argument. True is the default, and makes all items defined in the
+        class body be required.
+
+        The Required and NotRequired special forms can also be used to mark
+        individual keys as being required or not required::
+
+            class Point2D(TypedDict):
+                x: int  # the "x" key must always be present (Required is the default)
+                y: NotRequired[int]  # the "y" key can be omitted
+
+        See PEP 655 for more details on Required and NotRequired.
+        """
+        if __fields is _marker or __fields is None:
+            if __fields is _marker:
+                deprecated_thing = "Failing to pass a value for the 'fields' parameter"
+            else:
+                deprecated_thing = "Passing `None` as the 'fields' parameter"
+
+            example = f"`{__typename} = TypedDict({__typename!r}, {{}})`"
+            deprecation_msg = (
+                f"{deprecated_thing} is deprecated and will be disallowed in "
+                "Python 3.15. To create a TypedDict class with 0 fields "
+                "using the functional syntax, pass an empty dictionary, e.g. "
+            ) + example + "."
+            warnings.warn(deprecation_msg, DeprecationWarning, stacklevel=2)
+            __fields = kwargs
+        elif kwargs:
+            raise TypeError("TypedDict takes either a dict or keyword arguments,"
+                            " but not both")
+        if kwargs:
+            warnings.warn(
+                "The kwargs-based syntax for TypedDict definitions is deprecated "
+                "in Python 3.11, will be removed in Python 3.13, and may not be "
+                "understood by third-party type checkers.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
+        ns = {'__annotations__': dict(__fields)}
+        module = _caller()
+        if module is not None:
+            # Setting correct module is necessary to make typed dict classes pickleable.
+            ns['__module__'] = module
+
+        td = _TypedDictMeta(__typename, (), ns, total=total)
+        td.__orig_bases__ = (TypedDict,)
+        return td
+
+    if hasattr(typing, "_TypedDictMeta"):
+        _TYPEDDICT_TYPES = (typing._TypedDictMeta, _TypedDictMeta)
+    else:
+        _TYPEDDICT_TYPES = (_TypedDictMeta,)
+
+    def is_typeddict(tp):
+        """Check if an annotation is a TypedDict class
+
+        For example::
+            class Film(TypedDict):
+                title: str
+                year: int
+
+            is_typeddict(Film)  # => True
+            is_typeddict(Union[list, str])  # => False
+        """
+        # On 3.8, this would otherwise return True
+        if hasattr(typing, "TypedDict") and tp is typing.TypedDict:
+            return False
+        return isinstance(tp, _TYPEDDICT_TYPES)
+
+
+if hasattr(typing, "assert_type"):
+    assert_type = typing.assert_type
+
+else:
+    def assert_type(__val, __typ):
+        """Assert (to the type checker) that the value is of the given type.
+
+        When the type checker encounters a call to assert_type(), it
+        emits an error if the value is not of the specified type::
+
+            def greet(name: str) -> None:
+                assert_type(name, str)  # ok
+                assert_type(name, int)  # type checker error
+
+        At runtime this returns the first argument unchanged and otherwise
+        does nothing.
+        """
+        return __val
+
+
+if hasattr(typing, "Required"):
+    get_type_hints = typing.get_type_hints
+else:
+    # replaces _strip_annotations()
+    def _strip_extras(t):
+        """Strips Annotated, Required and NotRequired from a given type."""
+        if isinstance(t, _AnnotatedAlias):
+            return _strip_extras(t.__origin__)
+        if hasattr(t, "__origin__") and t.__origin__ in (Required, NotRequired):
+            return _strip_extras(t.__args__[0])
+        if isinstance(t, typing._GenericAlias):
+            stripped_args = tuple(_strip_extras(a) for a in t.__args__)
+            if stripped_args == t.__args__:
+                return t
+            return t.copy_with(stripped_args)
+        if hasattr(_types, "GenericAlias") and isinstance(t, _types.GenericAlias):
+            stripped_args = tuple(_strip_extras(a) for a in t.__args__)
+            if stripped_args == t.__args__:
+                return t
+            return _types.GenericAlias(t.__origin__, stripped_args)
+        if hasattr(_types, "UnionType") and isinstance(t, _types.UnionType):
+            stripped_args = tuple(_strip_extras(a) for a in t.__args__)
+            if stripped_args == t.__args__:
+                return t
+            return functools.reduce(operator.or_, stripped_args)
+
+        return t
+
+    def get_type_hints(obj, globalns=None, localns=None, include_extras=False):
+        """Return type hints for an object.
+
+        This is often the same as obj.__annotations__, but it handles
+        forward references encoded as string literals, adds Optional[t] if a
+        default value equal to None is set and recursively replaces all
+        'Annotated[T, ...]', 'Required[T]' or 'NotRequired[T]' with 'T'
+        (unless 'include_extras=True').
+
+        The argument may be a module, class, method, or function. The annotations
+        are returned as a dictionary. For classes, annotations include also
+        inherited members.
+
+        TypeError is raised if the argument is not of a type that can contain
+        annotations, and an empty dictionary is returned if no annotations are
+        present.
+
+        BEWARE -- the behavior of globalns and localns is counterintuitive
+        (unless you are familiar with how eval() and exec() work).  The
+        search order is locals first, then globals.
+
+        - If no dict arguments are passed, an attempt is made to use the
+          globals from obj (or the respective module's globals for classes),
+          and these are also used as the locals.  If the object does not appear
+          to have globals, an empty dictionary is used.
+
+        - If one dict argument is passed, it is used for both globals and
+          locals.
+
+        - If two dict arguments are passed, they specify globals and
+          locals, respectively.
+        """
+        if hasattr(typing, "Annotated"):
+            hint = typing.get_type_hints(
+                obj, globalns=globalns, localns=localns, include_extras=True
+            )
+        else:
+            hint = typing.get_type_hints(obj, globalns=globalns, localns=localns)
+        if include_extras:
+            return hint
+        return {k: _strip_extras(t) for k, t in hint.items()}
+
+
+# Python 3.9+ has PEP 593 (Annotated)
+if hasattr(typing, 'Annotated'):
+    Annotated = typing.Annotated
+    # Not exported and not a public API, but needed for get_origin() and get_args()
+    # to work.
+    _AnnotatedAlias = typing._AnnotatedAlias
+# 3.7-3.8
+else:
+    class _AnnotatedAlias(typing._GenericAlias, _root=True):
+        """Runtime representation of an annotated type.
+
+        At its core 'Annotated[t, dec1, dec2, ...]' is an alias for the type 't'
+        with extra annotations. The alias behaves like a normal typing alias,
+        instantiating is the same as instantiating the underlying type, binding
+        it to types is also the same.
+        """
+        def __init__(self, origin, metadata):
+            if isinstance(origin, _AnnotatedAlias):
+                metadata = origin.__metadata__ + metadata
+                origin = origin.__origin__
+            super().__init__(origin, origin)
+            self.__metadata__ = metadata
+
+        def copy_with(self, params):
+            assert len(params) == 1
+            new_type = params[0]
+            return _AnnotatedAlias(new_type, self.__metadata__)
+
+        def __repr__(self):
+            return (f"typing_extensions.Annotated[{typing._type_repr(self.__origin__)}, "
+                    f"{', '.join(repr(a) for a in self.__metadata__)}]")
+
+        def __reduce__(self):
+            return operator.getitem, (
+                Annotated, (self.__origin__,) + self.__metadata__
+            )
+
+        def __eq__(self, other):
+            if not isinstance(other, _AnnotatedAlias):
+                return NotImplemented
+            if self.__origin__ != other.__origin__:
+                return False
+            return self.__metadata__ == other.__metadata__
+
+        def __hash__(self):
+            return hash((self.__origin__, self.__metadata__))
+
+    class Annotated:
+        """Add context specific metadata to a type.
+
+        Example: Annotated[int, runtime_check.Unsigned] indicates to the
+        hypothetical runtime_check module that this type is an unsigned int.
+        Every other consumer of this type can ignore this metadata and treat
+        this type as int.
+
+        The first argument to Annotated must be a valid type (and will be in
+        the __origin__ field), the remaining arguments are kept as a tuple in
+        the __extra__ field.
+
+        Details:
+
+        - It's an error to call `Annotated` with less than two arguments.
+        - Nested Annotated are flattened::
+
+            Annotated[Annotated[T, Ann1, Ann2], Ann3] == Annotated[T, Ann1, Ann2, Ann3]
+
+        - Instantiating an annotated type is equivalent to instantiating the
+        underlying type::
+
+            Annotated[C, Ann1](5) == C(5)
+
+        - Annotated can be used as a generic type alias::
+
+            Optimized = Annotated[T, runtime.Optimize()]
+            Optimized[int] == Annotated[int, runtime.Optimize()]
+
+            OptimizedList = Annotated[List[T], runtime.Optimize()]
+            OptimizedList[int] == Annotated[List[int], runtime.Optimize()]
+        """
+
+        __slots__ = ()
+
+        def __new__(cls, *args, **kwargs):
+            raise TypeError("Type Annotated cannot be instantiated.")
+
+        @typing._tp_cache
+        def __class_getitem__(cls, params):
+            if not isinstance(params, tuple) or len(params) < 2:
+                raise TypeError("Annotated[...] should be used "
+                                "with at least two arguments (a type and an "
+                                "annotation).")
+            allowed_special_forms = (ClassVar, Final)
+            if get_origin(params[0]) in allowed_special_forms:
+                origin = params[0]
+            else:
+                msg = "Annotated[t, ...]: t must be a type."
+                origin = typing._type_check(params[0], msg)
+            metadata = tuple(params[1:])
+            return _AnnotatedAlias(origin, metadata)
+
+        def __init_subclass__(cls, *args, **kwargs):
+            raise TypeError(
+                f"Cannot subclass {cls.__module__}.Annotated"
+            )
+
+# Python 3.8 has get_origin() and get_args() but those implementations aren't
+# Annotated-aware, so we can't use those. Python 3.9's versions don't support
+# ParamSpecArgs and ParamSpecKwargs, so only Python 3.10's versions will do.
+if sys.version_info[:2] >= (3, 10):
+    get_origin = typing.get_origin
+    get_args = typing.get_args
+# 3.7-3.9
+else:
+    try:
+        # 3.9+
+        from typing import _BaseGenericAlias
+    except ImportError:
+        _BaseGenericAlias = typing._GenericAlias
+    try:
+        # 3.9+
+        from typing import GenericAlias as _typing_GenericAlias
+    except ImportError:
+        _typing_GenericAlias = typing._GenericAlias
+
+    def get_origin(tp):
+        """Get the unsubscripted version of a type.
+
+        This supports generic types, Callable, Tuple, Union, Literal, Final, ClassVar
+        and Annotated. Return None for unsupported types. Examples::
+
+            get_origin(Literal[42]) is Literal
+            get_origin(int) is None
+            get_origin(ClassVar[int]) is ClassVar
+            get_origin(Generic) is Generic
+            get_origin(Generic[T]) is Generic
+            get_origin(Union[T, int]) is Union
+            get_origin(List[Tuple[T, T]][int]) == list
+            get_origin(P.args) is P
+        """
+        if isinstance(tp, _AnnotatedAlias):
+            return Annotated
+        if isinstance(tp, (typing._GenericAlias, _typing_GenericAlias, _BaseGenericAlias,
+                           ParamSpecArgs, ParamSpecKwargs)):
+            return tp.__origin__
+        if tp is typing.Generic:
+            return typing.Generic
+        return None
+
+    def get_args(tp):
+        """Get type arguments with all substitutions performed.
+
+        For unions, basic simplifications used by Union constructor are performed.
+        Examples::
+            get_args(Dict[str, int]) == (str, int)
+            get_args(int) == ()
+            get_args(Union[int, Union[T, int], str][int]) == (int, str)
+            get_args(Union[int, Tuple[T, int]][str]) == (int, Tuple[str, int])
+            get_args(Callable[[], T][int]) == ([], int)
+        """
+        if isinstance(tp, _AnnotatedAlias):
+            return (tp.__origin__,) + tp.__metadata__
+        if isinstance(tp, (typing._GenericAlias, _typing_GenericAlias)):
+            if getattr(tp, "_special", False):
+                return ()
+            res = tp.__args__
+            if get_origin(tp) is collections.abc.Callable and res[0] is not Ellipsis:
+                res = (list(res[:-1]), res[-1])
+            return res
+        return ()
+
+
+# 3.10+
+if hasattr(typing, 'TypeAlias'):
+    TypeAlias = typing.TypeAlias
+# 3.9
+elif sys.version_info[:2] >= (3, 9):
+    @_ExtensionsSpecialForm
+    def TypeAlias(self, parameters):
+        """Special marker indicating that an assignment should
+        be recognized as a proper type alias definition by type
+        checkers.
+
+        For example::
+
+            Predicate: TypeAlias = Callable[..., bool]
+
+        It's invalid when used anywhere except as in the example above.
+        """
+        raise TypeError(f"{self} is not subscriptable")
+# 3.7-3.8
+else:
+    TypeAlias = _ExtensionsSpecialForm(
+        'TypeAlias',
+        doc="""Special marker indicating that an assignment should
+        be recognized as a proper type alias definition by type
+        checkers.
+
+        For example::
+
+            Predicate: TypeAlias = Callable[..., bool]
+
+        It's invalid when used anywhere except as in the example
+        above."""
+    )
+
+
+def _set_default(type_param, default):
+    if isinstance(default, (tuple, list)):
+        type_param.__default__ = tuple((typing._type_check(d, "Default must be a type")
+                                        for d in default))
+    elif default != _marker:
+        type_param.__default__ = typing._type_check(default, "Default must be a type")
+    else:
+        type_param.__default__ = None
+
+
+def _set_module(typevarlike):
+    # for pickling:
+    def_mod = _caller(depth=3)
+    if def_mod != 'typing_extensions':
+        typevarlike.__module__ = def_mod
+
+
+class _DefaultMixin:
+    """Mixin for TypeVarLike defaults."""
+
+    __slots__ = ()
+    __init__ = _set_default
+
+
+# Classes using this metaclass must provide a _backported_typevarlike ClassVar
+class _TypeVarLikeMeta(type):
+    def __instancecheck__(cls, __instance: Any) -> bool:
+        return isinstance(__instance, cls._backported_typevarlike)
+
+
+# Add default and infer_variance parameters from PEP 696 and 695
+class TypeVar(metaclass=_TypeVarLikeMeta):
+    """Type variable."""
+
+    _backported_typevarlike = typing.TypeVar
+
+    def __new__(cls, name, *constraints, bound=None,
+                covariant=False, contravariant=False,
+                default=_marker, infer_variance=False):
+        if hasattr(typing, "TypeAliasType"):
+            # PEP 695 implemented, can pass infer_variance to typing.TypeVar
+            typevar = typing.TypeVar(name, *constraints, bound=bound,
+                                     covariant=covariant, contravariant=contravariant,
+                                     infer_variance=infer_variance)
+        else:
+            typevar = typing.TypeVar(name, *constraints, bound=bound,
+                                     covariant=covariant, contravariant=contravariant)
+            if infer_variance and (covariant or contravariant):
+                raise ValueError("Variance cannot be specified with infer_variance.")
+            typevar.__infer_variance__ = infer_variance
+        _set_default(typevar, default)
+        _set_module(typevar)
+        return typevar
+
+    def __init_subclass__(cls) -> None:
+        raise TypeError(f"type '{__name__}.TypeVar' is not an acceptable base type")
+
+
+# Python 3.10+ has PEP 612
+if hasattr(typing, 'ParamSpecArgs'):
+    ParamSpecArgs = typing.ParamSpecArgs
+    ParamSpecKwargs = typing.ParamSpecKwargs
+# 3.7-3.9
+else:
+    class _Immutable:
+        """Mixin to indicate that object should not be copied."""
+        __slots__ = ()
+
+        def __copy__(self):
+            return self
+
+        def __deepcopy__(self, memo):
+            return self
+
+    class ParamSpecArgs(_Immutable):
+        """The args for a ParamSpec object.
+
+        Given a ParamSpec object P, P.args is an instance of ParamSpecArgs.
+
+        ParamSpecArgs objects have a reference back to their ParamSpec:
+
+        P.args.__origin__ is P
+
+        This type is meant for runtime introspection and has no special meaning to
+        static type checkers.
+        """
+        def __init__(self, origin):
+            self.__origin__ = origin
+
+        def __repr__(self):
+            return f"{self.__origin__.__name__}.args"
+
+        def __eq__(self, other):
+            if not isinstance(other, ParamSpecArgs):
+                return NotImplemented
+            return self.__origin__ == other.__origin__
+
+    class ParamSpecKwargs(_Immutable):
+        """The kwargs for a ParamSpec object.
+
+        Given a ParamSpec object P, P.kwargs is an instance of ParamSpecKwargs.
+
+        ParamSpecKwargs objects have a reference back to their ParamSpec:
+
+        P.kwargs.__origin__ is P
+
+        This type is meant for runtime introspection and has no special meaning to
+        static type checkers.
+        """
+        def __init__(self, origin):
+            self.__origin__ = origin
+
+        def __repr__(self):
+            return f"{self.__origin__.__name__}.kwargs"
+
+        def __eq__(self, other):
+            if not isinstance(other, ParamSpecKwargs):
+                return NotImplemented
+            return self.__origin__ == other.__origin__
+
+# 3.10+
+if hasattr(typing, 'ParamSpec'):
+
+    # Add default parameter - PEP 696
+    class ParamSpec(metaclass=_TypeVarLikeMeta):
+        """Parameter specification."""
+
+        _backported_typevarlike = typing.ParamSpec
+
+        def __new__(cls, name, *, bound=None,
+                    covariant=False, contravariant=False,
+                    infer_variance=False, default=_marker):
+            if hasattr(typing, "TypeAliasType"):
+                # PEP 695 implemented, can pass infer_variance to typing.TypeVar
+                paramspec = typing.ParamSpec(name, bound=bound,
+                                             covariant=covariant,
+                                             contravariant=contravariant,
+                                             infer_variance=infer_variance)
+            else:
+                paramspec = typing.ParamSpec(name, bound=bound,
+                                             covariant=covariant,
+                                             contravariant=contravariant)
+                paramspec.__infer_variance__ = infer_variance
+
+            _set_default(paramspec, default)
+            _set_module(paramspec)
+            return paramspec
+
+        def __init_subclass__(cls) -> None:
+            raise TypeError(f"type '{__name__}.ParamSpec' is not an acceptable base type")
+
+# 3.7-3.9
+else:
+
+    # Inherits from list as a workaround for Callable checks in Python < 3.9.2.
+    class ParamSpec(list, _DefaultMixin):
+        """Parameter specification variable.
+
+        Usage::
+
+           P = ParamSpec('P')
+
+        Parameter specification variables exist primarily for the benefit of static
+        type checkers.  They are used to forward the parameter types of one
+        callable to another callable, a pattern commonly found in higher order
+        functions and decorators.  They are only valid when used in ``Concatenate``,
+        or s the first argument to ``Callable``. In Python 3.10 and higher,
+        they are also supported in user-defined Generics at runtime.
+        See class Generic for more information on generic types.  An
+        example for annotating a decorator::
+
+           T = TypeVar('T')
+           P = ParamSpec('P')
+
+           def add_logging(f: Callable[P, T]) -> Callable[P, T]:
+               '''A type-safe decorator to add logging to a function.'''
+               def inner(*args: P.args, **kwargs: P.kwargs) -> T:
+                   logging.info(f'{f.__name__} was called')
+                   return f(*args, **kwargs)
+               return inner
+
+           @add_logging
+           def add_two(x: float, y: float) -> float:
+               '''Add two numbers together.'''
+               return x + y
+
+        Parameter specification variables defined with covariant=True or
+        contravariant=True can be used to declare covariant or contravariant
+        generic types.  These keyword arguments are valid, but their actual semantics
+        are yet to be decided.  See PEP 612 for details.
+
+        Parameter specification variables can be introspected. e.g.:
+
+           P.__name__ == 'T'
+           P.__bound__ == None
+           P.__covariant__ == False
+           P.__contravariant__ == False
+
+        Note that only parameter specification variables defined in global scope can
+        be pickled.
+        """
+
+        # Trick Generic __parameters__.
+        __class__ = typing.TypeVar
+
+        @property
+        def args(self):
+            return ParamSpecArgs(self)
+
+        @property
+        def kwargs(self):
+            return ParamSpecKwargs(self)
+
+        def __init__(self, name, *, bound=None, covariant=False, contravariant=False,
+                     infer_variance=False, default=_marker):
+            super().__init__([self])
+            self.__name__ = name
+            self.__covariant__ = bool(covariant)
+            self.__contravariant__ = bool(contravariant)
+            self.__infer_variance__ = bool(infer_variance)
+            if bound:
+                self.__bound__ = typing._type_check(bound, 'Bound must be a type.')
+            else:
+                self.__bound__ = None
+            _DefaultMixin.__init__(self, default)
+
+            # for pickling:
+            def_mod = _caller()
+            if def_mod != 'typing_extensions':
+                self.__module__ = def_mod
+
+        def __repr__(self):
+            if self.__infer_variance__:
+                prefix = ''
+            elif self.__covariant__:
+                prefix = '+'
+            elif self.__contravariant__:
+                prefix = '-'
+            else:
+                prefix = '~'
+            return prefix + self.__name__
+
+        def __hash__(self):
+            return object.__hash__(self)
+
+        def __eq__(self, other):
+            return self is other
+
+        def __reduce__(self):
+            return self.__name__
+
+        # Hack to get typing._type_check to pass.
+        def __call__(self, *args, **kwargs):
+            pass
+
+
+# 3.7-3.9
+if not hasattr(typing, 'Concatenate'):
+    # Inherits from list as a workaround for Callable checks in Python < 3.9.2.
+    class _ConcatenateGenericAlias(list):
+
+        # Trick Generic into looking into this for __parameters__.
+        __class__ = typing._GenericAlias
+
+        # Flag in 3.8.
+        _special = False
+
+        def __init__(self, origin, args):
+            super().__init__(args)
+            self.__origin__ = origin
+            self.__args__ = args
+
+        def __repr__(self):
+            _type_repr = typing._type_repr
+            return (f'{_type_repr(self.__origin__)}'
+                    f'[{", ".join(_type_repr(arg) for arg in self.__args__)}]')
+
+        def __hash__(self):
+            return hash((self.__origin__, self.__args__))
+
+        # Hack to get typing._type_check to pass in Generic.
+        def __call__(self, *args, **kwargs):
+            pass
+
+        @property
+        def __parameters__(self):
+            return tuple(
+                tp for tp in self.__args__ if isinstance(tp, (typing.TypeVar, ParamSpec))
+            )
+
+
+# 3.7-3.9
+@typing._tp_cache
+def _concatenate_getitem(self, parameters):
+    if parameters == ():
+        raise TypeError("Cannot take a Concatenate of no types.")
+    if not isinstance(parameters, tuple):
+        parameters = (parameters,)
+    if not isinstance(parameters[-1], ParamSpec):
+        raise TypeError("The last parameter to Concatenate should be a "
+                        "ParamSpec variable.")
+    msg = "Concatenate[arg, ...]: each arg must be a type."
+    parameters = tuple(typing._type_check(p, msg) for p in parameters)
+    return _ConcatenateGenericAlias(self, parameters)
+
+
+# 3.10+
+if hasattr(typing, 'Concatenate'):
+    Concatenate = typing.Concatenate
+    _ConcatenateGenericAlias = typing._ConcatenateGenericAlias  # noqa: F811
+# 3.9
+elif sys.version_info[:2] >= (3, 9):
+    @_ExtensionsSpecialForm
+    def Concatenate(self, parameters):
+        """Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a
+        higher order function which adds, removes or transforms parameters of a
+        callable.
+
+        For example::
+
+           Callable[Concatenate[int, P], int]
+
+        See PEP 612 for detailed information.
+        """
+        return _concatenate_getitem(self, parameters)
+# 3.7-8
+else:
+    class _ConcatenateForm(_ExtensionsSpecialForm, _root=True):
+        def __getitem__(self, parameters):
+            return _concatenate_getitem(self, parameters)
+
+    Concatenate = _ConcatenateForm(
+        'Concatenate',
+        doc="""Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a
+        higher order function which adds, removes or transforms parameters of a
+        callable.
+
+        For example::
+
+           Callable[Concatenate[int, P], int]
+
+        See PEP 612 for detailed information.
+        """)
+
+# 3.10+
+if hasattr(typing, 'TypeGuard'):
+    TypeGuard = typing.TypeGuard
+# 3.9
+elif sys.version_info[:2] >= (3, 9):
+    @_ExtensionsSpecialForm
+    def TypeGuard(self, parameters):
+        """Special typing form used to annotate the return type of a user-defined
+        type guard function.  ``TypeGuard`` only accepts a single type argument.
+        At runtime, functions marked this way should return a boolean.
+
+        ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static
+        type checkers to determine a more precise type of an expression within a
+        program's code flow.  Usually type narrowing is done by analyzing
+        conditional code flow and applying the narrowing to a block of code.  The
+        conditional expression here is sometimes referred to as a "type guard".
+
+        Sometimes it would be convenient to use a user-defined boolean function
+        as a type guard.  Such a function should use ``TypeGuard[...]`` as its
+        return type to alert static type checkers to this intention.
+
+        Using  ``-> TypeGuard`` tells the static type checker that for a given
+        function:
+
+        1. The return value is a boolean.
+        2. If the return value is ``True``, the type of its argument
+        is the type inside ``TypeGuard``.
+
+        For example::
+
+            def is_str(val: Union[str, float]):
+                # "isinstance" type guard
+                if isinstance(val, str):
+                    # Type of ``val`` is narrowed to ``str``
+                    ...
+                else:
+                    # Else, type of ``val`` is narrowed to ``float``.
+                    ...
+
+        Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower
+        form of ``TypeA`` (it can even be a wider form) and this may lead to
+        type-unsafe results.  The main reason is to allow for things like
+        narrowing ``List[object]`` to ``List[str]`` even though the latter is not
+        a subtype of the former, since ``List`` is invariant.  The responsibility of
+        writing type-safe type guards is left to the user.
+
+        ``TypeGuard`` also works with type variables.  For more information, see
+        PEP 647 (User-Defined Type Guards).
+        """
+        item = typing._type_check(parameters, f'{self} accepts only a single type.')
+        return typing._GenericAlias(self, (item,))
+# 3.7-3.8
+else:
+    class _TypeGuardForm(_ExtensionsSpecialForm, _root=True):
+        def __getitem__(self, parameters):
+            item = typing._type_check(parameters,
+                                      f'{self._name} accepts only a single type')
+            return typing._GenericAlias(self, (item,))
+
+    TypeGuard = _TypeGuardForm(
+        'TypeGuard',
+        doc="""Special typing form used to annotate the return type of a user-defined
+        type guard function.  ``TypeGuard`` only accepts a single type argument.
+        At runtime, functions marked this way should return a boolean.
+
+        ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static
+        type checkers to determine a more precise type of an expression within a
+        program's code flow.  Usually type narrowing is done by analyzing
+        conditional code flow and applying the narrowing to a block of code.  The
+        conditional expression here is sometimes referred to as a "type guard".
+
+        Sometimes it would be convenient to use a user-defined boolean function
+        as a type guard.  Such a function should use ``TypeGuard[...]`` as its
+        return type to alert static type checkers to this intention.
+
+        Using  ``-> TypeGuard`` tells the static type checker that for a given
+        function:
+
+        1. The return value is a boolean.
+        2. If the return value is ``True``, the type of its argument
+        is the type inside ``TypeGuard``.
+
+        For example::
+
+            def is_str(val: Union[str, float]):
+                # "isinstance" type guard
+                if isinstance(val, str):
+                    # Type of ``val`` is narrowed to ``str``
+                    ...
+                else:
+                    # Else, type of ``val`` is narrowed to ``float``.
+                    ...
+
+        Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower
+        form of ``TypeA`` (it can even be a wider form) and this may lead to
+        type-unsafe results.  The main reason is to allow for things like
+        narrowing ``List[object]`` to ``List[str]`` even though the latter is not
+        a subtype of the former, since ``List`` is invariant.  The responsibility of
+        writing type-safe type guards is left to the user.
+
+        ``TypeGuard`` also works with type variables.  For more information, see
+        PEP 647 (User-Defined Type Guards).
+        """)
+
+
+# Vendored from cpython typing._SpecialFrom
+class _SpecialForm(typing._Final, _root=True):
+    __slots__ = ('_name', '__doc__', '_getitem')
+
+    def __init__(self, getitem):
+        self._getitem = getitem
+        self._name = getitem.__name__
+        self.__doc__ = getitem.__doc__
+
+    def __getattr__(self, item):
+        if item in {'__name__', '__qualname__'}:
+            return self._name
+
+        raise AttributeError(item)
+
+    def __mro_entries__(self, bases):
+        raise TypeError(f"Cannot subclass {self!r}")
+
+    def __repr__(self):
+        return f'typing_extensions.{self._name}'
+
+    def __reduce__(self):
+        return self._name
+
+    def __call__(self, *args, **kwds):
+        raise TypeError(f"Cannot instantiate {self!r}")
+
+    def __or__(self, other):
+        return typing.Union[self, other]
+
+    def __ror__(self, other):
+        return typing.Union[other, self]
+
+    def __instancecheck__(self, obj):
+        raise TypeError(f"{self} cannot be used with isinstance()")
+
+    def __subclasscheck__(self, cls):
+        raise TypeError(f"{self} cannot be used with issubclass()")
+
+    @typing._tp_cache
+    def __getitem__(self, parameters):
+        return self._getitem(self, parameters)
+
+
+if hasattr(typing, "LiteralString"):
+    LiteralString = typing.LiteralString
+else:
+    @_SpecialForm
+    def LiteralString(self, params):
+        """Represents an arbitrary literal string.
+
+        Example::
+
+          from pip._vendor.typing_extensions import LiteralString
+
+          def query(sql: LiteralString) -> ...:
+              ...
+
+          query("SELECT * FROM table")  # ok
+          query(f"SELECT * FROM {input()}")  # not ok
+
+        See PEP 675 for details.
+
+        """
+        raise TypeError(f"{self} is not subscriptable")
+
+
+if hasattr(typing, "Self"):
+    Self = typing.Self
+else:
+    @_SpecialForm
+    def Self(self, params):
+        """Used to spell the type of "self" in classes.
+
+        Example::
+
+          from typing import Self
+
+          class ReturnsSelf:
+              def parse(self, data: bytes) -> Self:
+                  ...
+                  return self
+
+        """
+
+        raise TypeError(f"{self} is not subscriptable")
+
+
+if hasattr(typing, "Never"):
+    Never = typing.Never
+else:
+    @_SpecialForm
+    def Never(self, params):
+        """The bottom type, a type that has no members.
+
+        This can be used to define a function that should never be
+        called, or a function that never returns::
+
+            from pip._vendor.typing_extensions import Never
+
+            def never_call_me(arg: Never) -> None:
+                pass
+
+            def int_or_str(arg: int | str) -> None:
+                never_call_me(arg)  # type checker error
+                match arg:
+                    case int():
+                        print("It's an int")
+                    case str():
+                        print("It's a str")
+                    case _:
+                        never_call_me(arg)  # ok, arg is of type Never
+
+        """
+
+        raise TypeError(f"{self} is not subscriptable")
+
+
+if hasattr(typing, 'Required'):
+    Required = typing.Required
+    NotRequired = typing.NotRequired
+elif sys.version_info[:2] >= (3, 9):
+    @_ExtensionsSpecialForm
+    def Required(self, parameters):
+        """A special typing construct to mark a key of a total=False TypedDict
+        as required. For example:
+
+            class Movie(TypedDict, total=False):
+                title: Required[str]
+                year: int
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+
+        There is no runtime checking that a required key is actually provided
+        when instantiating a related TypedDict.
+        """
+        item = typing._type_check(parameters, f'{self._name} accepts only a single type.')
+        return typing._GenericAlias(self, (item,))
+
+    @_ExtensionsSpecialForm
+    def NotRequired(self, parameters):
+        """A special typing construct to mark a key of a TypedDict as
+        potentially missing. For example:
+
+            class Movie(TypedDict):
+                title: str
+                year: NotRequired[int]
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+        """
+        item = typing._type_check(parameters, f'{self._name} accepts only a single type.')
+        return typing._GenericAlias(self, (item,))
+
+else:
+    class _RequiredForm(_ExtensionsSpecialForm, _root=True):
+        def __getitem__(self, parameters):
+            item = typing._type_check(parameters,
+                                      f'{self._name} accepts only a single type.')
+            return typing._GenericAlias(self, (item,))
+
+    Required = _RequiredForm(
+        'Required',
+        doc="""A special typing construct to mark a key of a total=False TypedDict
+        as required. For example:
+
+            class Movie(TypedDict, total=False):
+                title: Required[str]
+                year: int
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+
+        There is no runtime checking that a required key is actually provided
+        when instantiating a related TypedDict.
+        """)
+    NotRequired = _RequiredForm(
+        'NotRequired',
+        doc="""A special typing construct to mark a key of a TypedDict as
+        potentially missing. For example:
+
+            class Movie(TypedDict):
+                title: str
+                year: NotRequired[int]
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+        """)
+
+
+_UNPACK_DOC = """\
+Type unpack operator.
+
+The type unpack operator takes the child types from some container type,
+such as `tuple[int, str]` or a `TypeVarTuple`, and 'pulls them out'. For
+example:
+
+  # For some generic class `Foo`:
+  Foo[Unpack[tuple[int, str]]]  # Equivalent to Foo[int, str]
+
+  Ts = TypeVarTuple('Ts')
+  # Specifies that `Bar` is generic in an arbitrary number of types.
+  # (Think of `Ts` as a tuple of an arbitrary number of individual
+  #  `TypeVar`s, which the `Unpack` is 'pulling out' directly into the
+  #  `Generic[]`.)
+  class Bar(Generic[Unpack[Ts]]): ...
+  Bar[int]  # Valid
+  Bar[int, str]  # Also valid
+
+From Python 3.11, this can also be done using the `*` operator:
+
+    Foo[*tuple[int, str]]
+    class Bar(Generic[*Ts]): ...
+
+The operator can also be used along with a `TypedDict` to annotate
+`**kwargs` in a function signature. For instance:
+
+  class Movie(TypedDict):
+    name: str
+    year: int
+
+  # This function expects two keyword arguments - *name* of type `str` and
+  # *year* of type `int`.
+  def foo(**kwargs: Unpack[Movie]): ...
+
+Note that there is only some runtime checking of this operator. Not
+everything the runtime allows may be accepted by static type checkers.
+
+For more information, see PEP 646 and PEP 692.
+"""
+
+
+if sys.version_info >= (3, 12):  # PEP 692 changed the repr of Unpack[]
+    Unpack = typing.Unpack
+
+    def _is_unpack(obj):
+        return get_origin(obj) is Unpack
+
+elif sys.version_info[:2] >= (3, 9):
+    class _UnpackSpecialForm(_ExtensionsSpecialForm, _root=True):
+        def __init__(self, getitem):
+            super().__init__(getitem)
+            self.__doc__ = _UNPACK_DOC
+
+    class _UnpackAlias(typing._GenericAlias, _root=True):
+        __class__ = typing.TypeVar
+
+    @_UnpackSpecialForm
+    def Unpack(self, parameters):
+        item = typing._type_check(parameters, f'{self._name} accepts only a single type.')
+        return _UnpackAlias(self, (item,))
+
+    def _is_unpack(obj):
+        return isinstance(obj, _UnpackAlias)
+
+else:
+    class _UnpackAlias(typing._GenericAlias, _root=True):
+        __class__ = typing.TypeVar
+
+    class _UnpackForm(_ExtensionsSpecialForm, _root=True):
+        def __getitem__(self, parameters):
+            item = typing._type_check(parameters,
+                                      f'{self._name} accepts only a single type.')
+            return _UnpackAlias(self, (item,))
+
+    Unpack = _UnpackForm('Unpack', doc=_UNPACK_DOC)
+
+    def _is_unpack(obj):
+        return isinstance(obj, _UnpackAlias)
+
+
+if hasattr(typing, "TypeVarTuple"):  # 3.11+
+
+    # Add default parameter - PEP 696
+    class TypeVarTuple(metaclass=_TypeVarLikeMeta):
+        """Type variable tuple."""
+
+        _backported_typevarlike = typing.TypeVarTuple
+
+        def __new__(cls, name, *, default=_marker):
+            tvt = typing.TypeVarTuple(name)
+            _set_default(tvt, default)
+            _set_module(tvt)
+            return tvt
+
+        def __init_subclass__(self, *args, **kwds):
+            raise TypeError("Cannot subclass special typing classes")
+
+else:
+    class TypeVarTuple(_DefaultMixin):
+        """Type variable tuple.
+
+        Usage::
+
+            Ts = TypeVarTuple('Ts')
+
+        In the same way that a normal type variable is a stand-in for a single
+        type such as ``int``, a type variable *tuple* is a stand-in for a *tuple*
+        type such as ``Tuple[int, str]``.
+
+        Type variable tuples can be used in ``Generic`` declarations.
+        Consider the following example::
+
+            class Array(Generic[*Ts]): ...
+
+        The ``Ts`` type variable tuple here behaves like ``tuple[T1, T2]``,
+        where ``T1`` and ``T2`` are type variables. To use these type variables
+        as type parameters of ``Array``, we must *unpack* the type variable tuple using
+        the star operator: ``*Ts``. The signature of ``Array`` then behaves
+        as if we had simply written ``class Array(Generic[T1, T2]): ...``.
+        In contrast to ``Generic[T1, T2]``, however, ``Generic[*Shape]`` allows
+        us to parameterise the class with an *arbitrary* number of type parameters.
+
+        Type variable tuples can be used anywhere a normal ``TypeVar`` can.
+        This includes class definitions, as shown above, as well as function
+        signatures and variable annotations::
+
+            class Array(Generic[*Ts]):
+
+                def __init__(self, shape: Tuple[*Ts]):
+                    self._shape: Tuple[*Ts] = shape
+
+                def get_shape(self) -> Tuple[*Ts]:
+                    return self._shape
+
+            shape = (Height(480), Width(640))
+            x: Array[Height, Width] = Array(shape)
+            y = abs(x)  # Inferred type is Array[Height, Width]
+            z = x + x   #        ...    is Array[Height, Width]
+            x.get_shape()  #     ...    is tuple[Height, Width]
+
+        """
+
+        # Trick Generic __parameters__.
+        __class__ = typing.TypeVar
+
+        def __iter__(self):
+            yield self.__unpacked__
+
+        def __init__(self, name, *, default=_marker):
+            self.__name__ = name
+            _DefaultMixin.__init__(self, default)
+
+            # for pickling:
+            def_mod = _caller()
+            if def_mod != 'typing_extensions':
+                self.__module__ = def_mod
+
+            self.__unpacked__ = Unpack[self]
+
+        def __repr__(self):
+            return self.__name__
+
+        def __hash__(self):
+            return object.__hash__(self)
+
+        def __eq__(self, other):
+            return self is other
+
+        def __reduce__(self):
+            return self.__name__
+
+        def __init_subclass__(self, *args, **kwds):
+            if '_root' not in kwds:
+                raise TypeError("Cannot subclass special typing classes")
+
+
+if hasattr(typing, "reveal_type"):
+    reveal_type = typing.reveal_type
+else:
+    def reveal_type(__obj: T) -> T:
+        """Reveal the inferred type of a variable.
+
+        When a static type checker encounters a call to ``reveal_type()``,
+        it will emit the inferred type of the argument::
+
+            x: int = 1
+            reveal_type(x)
+
+        Running a static type checker (e.g., ``mypy``) on this example
+        will produce output similar to 'Revealed type is "builtins.int"'.
+
+        At runtime, the function prints the runtime type of the
+        argument and returns it unchanged.
+
+        """
+        print(f"Runtime type is {type(__obj).__name__!r}", file=sys.stderr)
+        return __obj
+
+
+if hasattr(typing, "assert_never"):
+    assert_never = typing.assert_never
+else:
+    def assert_never(__arg: Never) -> Never:
+        """Assert to the type checker that a line of code is unreachable.
+
+        Example::
+
+            def int_or_str(arg: int | str) -> None:
+                match arg:
+                    case int():
+                        print("It's an int")
+                    case str():
+                        print("It's a str")
+                    case _:
+                        assert_never(arg)
+
+        If a type checker finds that a call to assert_never() is
+        reachable, it will emit an error.
+
+        At runtime, this throws an exception when called.
+
+        """
+        raise AssertionError("Expected code to be unreachable")
+
+
+if sys.version_info >= (3, 12):
+    # dataclass_transform exists in 3.11 but lacks the frozen_default parameter
+    dataclass_transform = typing.dataclass_transform
+else:
+    def dataclass_transform(
+        *,
+        eq_default: bool = True,
+        order_default: bool = False,
+        kw_only_default: bool = False,
+        frozen_default: bool = False,
+        field_specifiers: typing.Tuple[
+            typing.Union[typing.Type[typing.Any], typing.Callable[..., typing.Any]],
+            ...
+        ] = (),
+        **kwargs: typing.Any,
+    ) -> typing.Callable[[T], T]:
+        """Decorator that marks a function, class, or metaclass as providing
+        dataclass-like behavior.
+
+        Example:
+
+            from pip._vendor.typing_extensions import dataclass_transform
+
+            _T = TypeVar("_T")
+
+            # Used on a decorator function
+            @dataclass_transform()
+            def create_model(cls: type[_T]) -> type[_T]:
+                ...
+                return cls
+
+            @create_model
+            class CustomerModel:
+                id: int
+                name: str
+
+            # Used on a base class
+            @dataclass_transform()
+            class ModelBase: ...
+
+            class CustomerModel(ModelBase):
+                id: int
+                name: str
+
+            # Used on a metaclass
+            @dataclass_transform()
+            class ModelMeta(type): ...
+
+            class ModelBase(metaclass=ModelMeta): ...
+
+            class CustomerModel(ModelBase):
+                id: int
+                name: str
+
+        Each of the ``CustomerModel`` classes defined in this example will now
+        behave similarly to a dataclass created with the ``@dataclasses.dataclass``
+        decorator. For example, the type checker will synthesize an ``__init__``
+        method.
+
+        The arguments to this decorator can be used to customize this behavior:
+        - ``eq_default`` indicates whether the ``eq`` parameter is assumed to be
+          True or False if it is omitted by the caller.
+        - ``order_default`` indicates whether the ``order`` parameter is
+          assumed to be True or False if it is omitted by the caller.
+        - ``kw_only_default`` indicates whether the ``kw_only`` parameter is
+          assumed to be True or False if it is omitted by the caller.
+        - ``frozen_default`` indicates whether the ``frozen`` parameter is
+          assumed to be True or False if it is omitted by the caller.
+        - ``field_specifiers`` specifies a static list of supported classes
+          or functions that describe fields, similar to ``dataclasses.field()``.
+
+        At runtime, this decorator records its arguments in the
+        ``__dataclass_transform__`` attribute on the decorated object.
+
+        See PEP 681 for details.
+
+        """
+        def decorator(cls_or_fn):
+            cls_or_fn.__dataclass_transform__ = {
+                "eq_default": eq_default,
+                "order_default": order_default,
+                "kw_only_default": kw_only_default,
+                "frozen_default": frozen_default,
+                "field_specifiers": field_specifiers,
+                "kwargs": kwargs,
+            }
+            return cls_or_fn
+        return decorator
+
+
+if hasattr(typing, "override"):
+    override = typing.override
+else:
+    _F = typing.TypeVar("_F", bound=typing.Callable[..., typing.Any])
+
+    def override(__arg: _F) -> _F:
+        """Indicate that a method is intended to override a method in a base class.
+
+        Usage:
+
+            class Base:
+                def method(self) -> None: ...
+                    pass
+
+            class Child(Base):
+                @override
+                def method(self) -> None:
+                    super().method()
+
+        When this decorator is applied to a method, the type checker will
+        validate that it overrides a method with the same name on a base class.
+        This helps prevent bugs that may occur when a base class is changed
+        without an equivalent change to a child class.
+
+        There is no runtime checking of these properties. The decorator
+        sets the ``__override__`` attribute to ``True`` on the decorated object
+        to allow runtime introspection.
+
+        See PEP 698 for details.
+
+        """
+        try:
+            __arg.__override__ = True
+        except (AttributeError, TypeError):
+            # Skip the attribute silently if it is not writable.
+            # AttributeError happens if the object has __slots__ or a
+            # read-only property, TypeError if it's a builtin class.
+            pass
+        return __arg
+
+
+if hasattr(typing, "deprecated"):
+    deprecated = typing.deprecated
+else:
+    _T = typing.TypeVar("_T")
+
+    def deprecated(
+        __msg: str,
+        *,
+        category: typing.Optional[typing.Type[Warning]] = DeprecationWarning,
+        stacklevel: int = 1,
+    ) -> typing.Callable[[_T], _T]:
+        """Indicate that a class, function or overload is deprecated.
+
+        Usage:
+
+            @deprecated("Use B instead")
+            class A:
+                pass
+
+            @deprecated("Use g instead")
+            def f():
+                pass
+
+            @overload
+            @deprecated("int support is deprecated")
+            def g(x: int) -> int: ...
+            @overload
+            def g(x: str) -> int: ...
+
+        When this decorator is applied to an object, the type checker
+        will generate a diagnostic on usage of the deprecated object.
+
+        The warning specified by ``category`` will be emitted on use
+        of deprecated objects. For functions, that happens on calls;
+        for classes, on instantiation. If the ``category`` is ``None``,
+        no warning is emitted. The ``stacklevel`` determines where the
+        warning is emitted. If it is ``1`` (the default), the warning
+        is emitted at the direct caller of the deprecated object; if it
+        is higher, it is emitted further up the stack.
+
+        The decorator sets the ``__deprecated__``
+        attribute on the decorated object to the deprecation message
+        passed to the decorator. If applied to an overload, the decorator
+        must be after the ``@overload`` decorator for the attribute to
+        exist on the overload as returned by ``get_overloads()``.
+
+        See PEP 702 for details.
+
+        """
+        def decorator(__arg: _T) -> _T:
+            if category is None:
+                __arg.__deprecated__ = __msg
+                return __arg
+            elif isinstance(__arg, type):
+                original_new = __arg.__new__
+                has_init = __arg.__init__ is not object.__init__
+
+                @functools.wraps(original_new)
+                def __new__(cls, *args, **kwargs):
+                    warnings.warn(__msg, category=category, stacklevel=stacklevel + 1)
+                    if original_new is not object.__new__:
+                        return original_new(cls, *args, **kwargs)
+                    # Mirrors a similar check in object.__new__.
+                    elif not has_init and (args or kwargs):
+                        raise TypeError(f"{cls.__name__}() takes no arguments")
+                    else:
+                        return original_new(cls)
+
+                __arg.__new__ = staticmethod(__new__)
+                __arg.__deprecated__ = __new__.__deprecated__ = __msg
+                return __arg
+            elif callable(__arg):
+                @functools.wraps(__arg)
+                def wrapper(*args, **kwargs):
+                    warnings.warn(__msg, category=category, stacklevel=stacklevel + 1)
+                    return __arg(*args, **kwargs)
+
+                __arg.__deprecated__ = wrapper.__deprecated__ = __msg
+                return wrapper
+            else:
+                raise TypeError(
+                    "@deprecated decorator with non-None category must be applied to "
+                    f"a class or callable, not {__arg!r}"
+                )
+
+        return decorator
+
+
+# We have to do some monkey patching to deal with the dual nature of
+# Unpack/TypeVarTuple:
+# - We want Unpack to be a kind of TypeVar so it gets accepted in
+#   Generic[Unpack[Ts]]
+# - We want it to *not* be treated as a TypeVar for the purposes of
+#   counting generic parameters, so that when we subscript a generic,
+#   the runtime doesn't try to substitute the Unpack with the subscripted type.
+if not hasattr(typing, "TypeVarTuple"):
+    typing._collect_type_vars = _collect_type_vars
+    typing._check_generic = _check_generic
+
+
+# Backport typing.NamedTuple as it exists in Python 3.12.
+# In 3.11, the ability to define generic `NamedTuple`s was supported.
+# This was explicitly disallowed in 3.9-3.10, and only half-worked in <=3.8.
+# On 3.12, we added __orig_bases__ to call-based NamedTuples
+# On 3.13, we deprecated kwargs-based NamedTuples
+if sys.version_info >= (3, 13):
+    NamedTuple = typing.NamedTuple
+else:
+    def _make_nmtuple(name, types, module, defaults=()):
+        fields = [n for n, t in types]
+        annotations = {n: typing._type_check(t, f"field {n} annotation must be a type")
+                       for n, t in types}
+        nm_tpl = collections.namedtuple(name, fields,
+                                        defaults=defaults, module=module)
+        nm_tpl.__annotations__ = nm_tpl.__new__.__annotations__ = annotations
+        # The `_field_types` attribute was removed in 3.9;
+        # in earlier versions, it is the same as the `__annotations__` attribute
+        if sys.version_info < (3, 9):
+            nm_tpl._field_types = annotations
+        return nm_tpl
+
+    _prohibited_namedtuple_fields = typing._prohibited
+    _special_namedtuple_fields = frozenset({'__module__', '__name__', '__annotations__'})
+
+    class _NamedTupleMeta(type):
+        def __new__(cls, typename, bases, ns):
+            assert _NamedTuple in bases
+            for base in bases:
+                if base is not _NamedTuple and base is not typing.Generic:
+                    raise TypeError(
+                        'can only inherit from a NamedTuple type and Generic')
+            bases = tuple(tuple if base is _NamedTuple else base for base in bases)
+            types = ns.get('__annotations__', {})
+            default_names = []
+            for field_name in types:
+                if field_name in ns:
+                    default_names.append(field_name)
+                elif default_names:
+                    raise TypeError(f"Non-default namedtuple field {field_name} "
+                                    f"cannot follow default field"
+                                    f"{'s' if len(default_names) > 1 else ''} "
+                                    f"{', '.join(default_names)}")
+            nm_tpl = _make_nmtuple(
+                typename, types.items(),
+                defaults=[ns[n] for n in default_names],
+                module=ns['__module__']
+            )
+            nm_tpl.__bases__ = bases
+            if typing.Generic in bases:
+                if hasattr(typing, '_generic_class_getitem'):  # 3.12+
+                    nm_tpl.__class_getitem__ = classmethod(typing._generic_class_getitem)
+                else:
+                    class_getitem = typing.Generic.__class_getitem__.__func__
+                    nm_tpl.__class_getitem__ = classmethod(class_getitem)
+            # update from user namespace without overriding special namedtuple attributes
+            for key in ns:
+                if key in _prohibited_namedtuple_fields:
+                    raise AttributeError("Cannot overwrite NamedTuple attribute " + key)
+                elif key not in _special_namedtuple_fields and key not in nm_tpl._fields:
+                    setattr(nm_tpl, key, ns[key])
+            if typing.Generic in bases:
+                nm_tpl.__init_subclass__()
+            return nm_tpl
+
+    _NamedTuple = type.__new__(_NamedTupleMeta, 'NamedTuple', (), {})
+
+    def _namedtuple_mro_entries(bases):
+        assert NamedTuple in bases
+        return (_NamedTuple,)
+
+    @_ensure_subclassable(_namedtuple_mro_entries)
+    def NamedTuple(__typename, __fields=_marker, **kwargs):
+        """Typed version of namedtuple.
+
+        Usage::
+
+            class Employee(NamedTuple):
+                name: str
+                id: int
+
+        This is equivalent to::
+
+            Employee = collections.namedtuple('Employee', ['name', 'id'])
+
+        The resulting class has an extra __annotations__ attribute, giving a
+        dict that maps field names to types.  (The field names are also in
+        the _fields attribute, which is part of the namedtuple API.)
+        An alternative equivalent functional syntax is also accepted::
+
+            Employee = NamedTuple('Employee', [('name', str), ('id', int)])
+        """
+        if __fields is _marker:
+            if kwargs:
+                deprecated_thing = "Creating NamedTuple classes using keyword arguments"
+                deprecation_msg = (
+                    "{name} is deprecated and will be disallowed in Python {remove}. "
+                    "Use the class-based or functional syntax instead."
+                )
+            else:
+                deprecated_thing = "Failing to pass a value for the 'fields' parameter"
+                example = f"`{__typename} = NamedTuple({__typename!r}, [])`"
+                deprecation_msg = (
+                    "{name} is deprecated and will be disallowed in Python {remove}. "
+                    "To create a NamedTuple class with 0 fields "
+                    "using the functional syntax, "
+                    "pass an empty list, e.g. "
+                ) + example + "."
+        elif __fields is None:
+            if kwargs:
+                raise TypeError(
+                    "Cannot pass `None` as the 'fields' parameter "
+                    "and also specify fields using keyword arguments"
+                )
+            else:
+                deprecated_thing = "Passing `None` as the 'fields' parameter"
+                example = f"`{__typename} = NamedTuple({__typename!r}, [])`"
+                deprecation_msg = (
+                    "{name} is deprecated and will be disallowed in Python {remove}. "
+                    "To create a NamedTuple class with 0 fields "
+                    "using the functional syntax, "
+                    "pass an empty list, e.g. "
+                ) + example + "."
+        elif kwargs:
+            raise TypeError("Either list of fields or keywords"
+                            " can be provided to NamedTuple, not both")
+        if __fields is _marker or __fields is None:
+            warnings.warn(
+                deprecation_msg.format(name=deprecated_thing, remove="3.15"),
+                DeprecationWarning,
+                stacklevel=2,
+            )
+            __fields = kwargs.items()
+        nt = _make_nmtuple(__typename, __fields, module=_caller())
+        nt.__orig_bases__ = (NamedTuple,)
+        return nt
+
+    # On 3.8+, alter the signature so that it matches typing.NamedTuple.
+    # The signature of typing.NamedTuple on >=3.8 is invalid syntax in Python 3.7,
+    # so just leave the signature as it is on 3.7.
+    if sys.version_info >= (3, 8):
+        _new_signature = '(typename, fields=None, /, **kwargs)'
+        if isinstance(NamedTuple, _types.FunctionType):
+            NamedTuple.__text_signature__ = _new_signature
+        else:
+            NamedTuple.__call__.__text_signature__ = _new_signature
+
+
+if hasattr(collections.abc, "Buffer"):
+    Buffer = collections.abc.Buffer
+else:
+    class Buffer(abc.ABC):
+        """Base class for classes that implement the buffer protocol.
+
+        The buffer protocol allows Python objects to expose a low-level
+        memory buffer interface. Before Python 3.12, it is not possible
+        to implement the buffer protocol in pure Python code, or even
+        to check whether a class implements the buffer protocol. In
+        Python 3.12 and higher, the ``__buffer__`` method allows access
+        to the buffer protocol from Python code, and the
+        ``collections.abc.Buffer`` ABC allows checking whether a class
+        implements the buffer protocol.
+
+        To indicate support for the buffer protocol in earlier versions,
+        inherit from this ABC, either in a stub file or at runtime,
+        or use ABC registration. This ABC provides no methods, because
+        there is no Python-accessible methods shared by pre-3.12 buffer
+        classes. It is useful primarily for static checks.
+
+        """
+
+    # As a courtesy, register the most common stdlib buffer classes.
+    Buffer.register(memoryview)
+    Buffer.register(bytearray)
+    Buffer.register(bytes)
+
+
+# Backport of types.get_original_bases, available on 3.12+ in CPython
+if hasattr(_types, "get_original_bases"):
+    get_original_bases = _types.get_original_bases
+else:
+    def get_original_bases(__cls):
+        """Return the class's "original" bases prior to modification by `__mro_entries__`.
+
+        Examples::
+
+            from typing import TypeVar, Generic
+            from pip._vendor.typing_extensions import NamedTuple, TypedDict
+
+            T = TypeVar("T")
+            class Foo(Generic[T]): ...
+            class Bar(Foo[int], float): ...
+            class Baz(list[str]): ...
+            Eggs = NamedTuple("Eggs", [("a", int), ("b", str)])
+            Spam = TypedDict("Spam", {"a": int, "b": str})
+
+            assert get_original_bases(Bar) == (Foo[int], float)
+            assert get_original_bases(Baz) == (list[str],)
+            assert get_original_bases(Eggs) == (NamedTuple,)
+            assert get_original_bases(Spam) == (TypedDict,)
+            assert get_original_bases(int) == (object,)
+        """
+        try:
+            return __cls.__orig_bases__
+        except AttributeError:
+            try:
+                return __cls.__bases__
+            except AttributeError:
+                raise TypeError(
+                    f'Expected an instance of type, not {type(__cls).__name__!r}'
+                ) from None
+
+
+# NewType is a class on Python 3.10+, making it pickleable
+# The error message for subclassing instances of NewType was improved on 3.11+
+if sys.version_info >= (3, 11):
+    NewType = typing.NewType
+else:
+    class NewType:
+        """NewType creates simple unique types with almost zero
+        runtime overhead. NewType(name, tp) is considered a subtype of tp
+        by static type checkers. At runtime, NewType(name, tp) returns
+        a dummy callable that simply returns its argument. Usage::
+            UserId = NewType('UserId', int)
+            def name_by_id(user_id: UserId) -> str:
+                ...
+            UserId('user')          # Fails type check
+            name_by_id(42)          # Fails type check
+            name_by_id(UserId(42))  # OK
+            num = UserId(5) + 1     # type: int
+        """
+
+        def __call__(self, obj):
+            return obj
+
+        def __init__(self, name, tp):
+            self.__qualname__ = name
+            if '.' in name:
+                name = name.rpartition('.')[-1]
+            self.__name__ = name
+            self.__supertype__ = tp
+            def_mod = _caller()
+            if def_mod != 'typing_extensions':
+                self.__module__ = def_mod
+
+        def __mro_entries__(self, bases):
+            # We defined __mro_entries__ to get a better error message
+            # if a user attempts to subclass a NewType instance. bpo-46170
+            supercls_name = self.__name__
+
+            class Dummy:
+                def __init_subclass__(cls):
+                    subcls_name = cls.__name__
+                    raise TypeError(
+                        f"Cannot subclass an instance of NewType. "
+                        f"Perhaps you were looking for: "
+                        f"`{subcls_name} = NewType({subcls_name!r}, {supercls_name})`"
+                    )
+
+            return (Dummy,)
+
+        def __repr__(self):
+            return f'{self.__module__}.{self.__qualname__}'
+
+        def __reduce__(self):
+            return self.__qualname__
+
+        if sys.version_info >= (3, 10):
+            # PEP 604 methods
+            # It doesn't make sense to have these methods on Python <3.10
+
+            def __or__(self, other):
+                return typing.Union[self, other]
+
+            def __ror__(self, other):
+                return typing.Union[other, self]
+
+
+if hasattr(typing, "TypeAliasType"):
+    TypeAliasType = typing.TypeAliasType
+else:
+    def _is_unionable(obj):
+        """Corresponds to is_unionable() in unionobject.c in CPython."""
+        return obj is None or isinstance(obj, (
+            type,
+            _types.GenericAlias,
+            _types.UnionType,
+            TypeAliasType,
+        ))
+
+    class TypeAliasType:
+        """Create named, parameterized type aliases.
+
+        This provides a backport of the new `type` statement in Python 3.12:
+
+            type ListOrSet[T] = list[T] | set[T]
+
+        is equivalent to:
+
+            T = TypeVar("T")
+            ListOrSet = TypeAliasType("ListOrSet", list[T] | set[T], type_params=(T,))
+
+        The name ListOrSet can then be used as an alias for the type it refers to.
+
+        The type_params argument should contain all the type parameters used
+        in the value of the type alias. If the alias is not generic, this
+        argument is omitted.
+
+        Static type checkers should only support type aliases declared using
+        TypeAliasType that follow these rules:
+
+        - The first argument (the name) must be a string literal.
+        - The TypeAliasType instance must be immediately assigned to a variable
+          of the same name. (For example, 'X = TypeAliasType("Y", int)' is invalid,
+          as is 'X, Y = TypeAliasType("X", int), TypeAliasType("Y", int)').
+
+        """
+
+        def __init__(self, name: str, value, *, type_params=()):
+            if not isinstance(name, str):
+                raise TypeError("TypeAliasType name must be a string")
+            self.__value__ = value
+            self.__type_params__ = type_params
+
+            parameters = []
+            for type_param in type_params:
+                if isinstance(type_param, TypeVarTuple):
+                    parameters.extend(type_param)
+                else:
+                    parameters.append(type_param)
+            self.__parameters__ = tuple(parameters)
+            def_mod = _caller()
+            if def_mod != 'typing_extensions':
+                self.__module__ = def_mod
+            # Setting this attribute closes the TypeAliasType from further modification
+            self.__name__ = name
+
+        def __setattr__(self, __name: str, __value: object) -> None:
+            if hasattr(self, "__name__"):
+                self._raise_attribute_error(__name)
+            super().__setattr__(__name, __value)
+
+        def __delattr__(self, __name: str) -> Never:
+            self._raise_attribute_error(__name)
+
+        def _raise_attribute_error(self, name: str) -> Never:
+            # Match the Python 3.12 error messages exactly
+            if name == "__name__":
+                raise AttributeError("readonly attribute")
+            elif name in {"__value__", "__type_params__", "__parameters__", "__module__"}:
+                raise AttributeError(
+                    f"attribute '{name}' of 'typing.TypeAliasType' objects "
+                    "is not writable"
+                )
+            else:
+                raise AttributeError(
+                    f"'typing.TypeAliasType' object has no attribute '{name}'"
+                )
+
+        def __repr__(self) -> str:
+            return self.__name__
+
+        def __getitem__(self, parameters):
+            if not isinstance(parameters, tuple):
+                parameters = (parameters,)
+            parameters = [
+                typing._type_check(
+                    item, f'Subscripting {self.__name__} requires a type.'
+                )
+                for item in parameters
+            ]
+            return typing._GenericAlias(self, tuple(parameters))
+
+        def __reduce__(self):
+            return self.__name__
+
+        def __init_subclass__(cls, *args, **kwargs):
+            raise TypeError(
+                "type 'typing_extensions.TypeAliasType' is not an acceptable base type"
+            )
+
+        # The presence of this method convinces typing._type_check
+        # that TypeAliasTypes are types.
+        def __call__(self):
+            raise TypeError("Type alias is not callable")
+
+        if sys.version_info >= (3, 10):
+            def __or__(self, right):
+                # For forward compatibility with 3.12, reject Unions
+                # that are not accepted by the built-in Union.
+                if not _is_unionable(right):
+                    return NotImplemented
+                return typing.Union[self, right]
+
+            def __ror__(self, left):
+                if not _is_unionable(left):
+                    return NotImplemented
+                return typing.Union[left, self]
+
+
+if hasattr(typing, "is_protocol"):
+    is_protocol = typing.is_protocol
+    get_protocol_members = typing.get_protocol_members
+else:
+    def is_protocol(__tp: type) -> bool:
+        """Return True if the given type is a Protocol.
+
+        Example::
+
+            >>> from typing_extensions import Protocol, is_protocol
+            >>> class P(Protocol):
+            ...     def a(self) -> str: ...
+            ...     b: int
+            >>> is_protocol(P)
+            True
+            >>> is_protocol(int)
+            False
+        """
+        return (
+            isinstance(__tp, type)
+            and getattr(__tp, '_is_protocol', False)
+            and __tp is not Protocol
+            and __tp is not getattr(typing, "Protocol", object())
+        )
+
+    def get_protocol_members(__tp: type) -> typing.FrozenSet[str]:
+        """Return the set of members defined in a Protocol.
+
+        Example::
+
+            >>> from typing_extensions import Protocol, get_protocol_members
+            >>> class P(Protocol):
+            ...     def a(self) -> str: ...
+            ...     b: int
+            >>> get_protocol_members(P)
+            frozenset({'a', 'b'})
+
+        Raise a TypeError for arguments that are not Protocols.
+        """
+        if not is_protocol(__tp):
+            raise TypeError(f'{__tp!r} is not a Protocol')
+        if hasattr(__tp, '__protocol_attrs__'):
+            return frozenset(__tp.__protocol_attrs__)
+        return frozenset(_get_protocol_attrs(__tp))
+
+
+# Aliases for items that have always been in typing.
+# Explicitly assign these (rather than using `from typing import *` at the top),
+# so that we get a CI error if one of these is deleted from typing.py
+# in a future version of Python
+AbstractSet = typing.AbstractSet
+AnyStr = typing.AnyStr
+BinaryIO = typing.BinaryIO
+Callable = typing.Callable
+Collection = typing.Collection
+Container = typing.Container
+Dict = typing.Dict
+ForwardRef = typing.ForwardRef
+FrozenSet = typing.FrozenSet
+Generator = typing.Generator
+Generic = typing.Generic
+Hashable = typing.Hashable
+IO = typing.IO
+ItemsView = typing.ItemsView
+Iterable = typing.Iterable
+Iterator = typing.Iterator
+KeysView = typing.KeysView
+List = typing.List
+Mapping = typing.Mapping
+MappingView = typing.MappingView
+Match = typing.Match
+MutableMapping = typing.MutableMapping
+MutableSequence = typing.MutableSequence
+MutableSet = typing.MutableSet
+Optional = typing.Optional
+Pattern = typing.Pattern
+Reversible = typing.Reversible
+Sequence = typing.Sequence
+Set = typing.Set
+Sized = typing.Sized
+TextIO = typing.TextIO
+Tuple = typing.Tuple
+Union = typing.Union
+ValuesView = typing.ValuesView
+cast = typing.cast
+no_type_check = typing.no_type_check
+no_type_check_decorator = typing.no_type_check_decorator
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/__init__.py
new file mode 100644
index 00000000..c6fa3821
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/__init__.py
@@ -0,0 +1,102 @@
+"""
+Python HTTP library with thread-safe connection pooling, file post support, user friendly, and more
+"""
+from __future__ import absolute_import
+
+# Set default logging handler to avoid "No handler found" warnings.
+import logging
+import warnings
+from logging import NullHandler
+
+from . import exceptions
+from ._version import __version__
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool, connection_from_url
+from .filepost import encode_multipart_formdata
+from .poolmanager import PoolManager, ProxyManager, proxy_from_url
+from .response import HTTPResponse
+from .util.request import make_headers
+from .util.retry import Retry
+from .util.timeout import Timeout
+from .util.url import get_host
+
+# === NOTE TO REPACKAGERS AND VENDORS ===
+# Please delete this block, this logic is only
+# for urllib3 being distributed via PyPI.
+# See: https://github.com/urllib3/urllib3/issues/2680
+try:
+    import urllib3_secure_extra  # type: ignore # noqa: F401
+except ImportError:
+    pass
+else:
+    warnings.warn(
+        "'urllib3[secure]' extra is deprecated and will be removed "
+        "in a future release of urllib3 2.x. Read more in this issue: "
+        "https://github.com/urllib3/urllib3/issues/2680",
+        category=DeprecationWarning,
+        stacklevel=2,
+    )
+
+__author__ = "Andrey Petrov (andrey.petrov@shazow.net)"
+__license__ = "MIT"
+__version__ = __version__
+
+__all__ = (
+    "HTTPConnectionPool",
+    "HTTPSConnectionPool",
+    "PoolManager",
+    "ProxyManager",
+    "HTTPResponse",
+    "Retry",
+    "Timeout",
+    "add_stderr_logger",
+    "connection_from_url",
+    "disable_warnings",
+    "encode_multipart_formdata",
+    "get_host",
+    "make_headers",
+    "proxy_from_url",
+)
+
+logging.getLogger(__name__).addHandler(NullHandler())
+
+
+def add_stderr_logger(level=logging.DEBUG):
+    """
+    Helper for quickly adding a StreamHandler to the logger. Useful for
+    debugging.
+
+    Returns the handler after adding it.
+    """
+    # This method needs to be in this __init__.py to get the __name__ correct
+    # even if urllib3 is vendored within another package.
+    logger = logging.getLogger(__name__)
+    handler = logging.StreamHandler()
+    handler.setFormatter(logging.Formatter("%(asctime)s %(levelname)s %(message)s"))
+    logger.addHandler(handler)
+    logger.setLevel(level)
+    logger.debug("Added a stderr logging handler to logger: %s", __name__)
+    return handler
+
+
+# ... Clean up.
+del NullHandler
+
+
+# All warning filters *must* be appended unless you're really certain that they
+# shouldn't be: otherwise, it's very hard for users to use most Python
+# mechanisms to silence them.
+# SecurityWarning's always go off by default.
+warnings.simplefilter("always", exceptions.SecurityWarning, append=True)
+# SubjectAltNameWarning's should go off once per host
+warnings.simplefilter("default", exceptions.SubjectAltNameWarning, append=True)
+# InsecurePlatformWarning's don't vary between requests, so we keep it default.
+warnings.simplefilter("default", exceptions.InsecurePlatformWarning, append=True)
+# SNIMissingWarnings should go off only once.
+warnings.simplefilter("default", exceptions.SNIMissingWarning, append=True)
+
+
+def disable_warnings(category=exceptions.HTTPWarning):
+    """
+    Helper for quickly disabling all urllib3 warnings.
+    """
+    warnings.simplefilter("ignore", category)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/_collections.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/_collections.py
new file mode 100644
index 00000000..da9857e9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/_collections.py
@@ -0,0 +1,337 @@
+from __future__ import absolute_import
+
+try:
+    from collections.abc import Mapping, MutableMapping
+except ImportError:
+    from collections import Mapping, MutableMapping
+try:
+    from threading import RLock
+except ImportError:  # Platform-specific: No threads available
+
+    class RLock:
+        def __enter__(self):
+            pass
+
+        def __exit__(self, exc_type, exc_value, traceback):
+            pass
+
+
+from collections import OrderedDict
+
+from .exceptions import InvalidHeader
+from .packages import six
+from .packages.six import iterkeys, itervalues
+
+__all__ = ["RecentlyUsedContainer", "HTTPHeaderDict"]
+
+
+_Null = object()
+
+
+class RecentlyUsedContainer(MutableMapping):
+    """
+    Provides a thread-safe dict-like container which maintains up to
+    ``maxsize`` keys while throwing away the least-recently-used keys beyond
+    ``maxsize``.
+
+    :param maxsize:
+        Maximum number of recent elements to retain.
+
+    :param dispose_func:
+        Every time an item is evicted from the container,
+        ``dispose_func(value)`` is called.  Callback which will get called
+    """
+
+    ContainerCls = OrderedDict
+
+    def __init__(self, maxsize=10, dispose_func=None):
+        self._maxsize = maxsize
+        self.dispose_func = dispose_func
+
+        self._container = self.ContainerCls()
+        self.lock = RLock()
+
+    def __getitem__(self, key):
+        # Re-insert the item, moving it to the end of the eviction line.
+        with self.lock:
+            item = self._container.pop(key)
+            self._container[key] = item
+            return item
+
+    def __setitem__(self, key, value):
+        evicted_value = _Null
+        with self.lock:
+            # Possibly evict the existing value of 'key'
+            evicted_value = self._container.get(key, _Null)
+            self._container[key] = value
+
+            # If we didn't evict an existing value, we might have to evict the
+            # least recently used item from the beginning of the container.
+            if len(self._container) > self._maxsize:
+                _key, evicted_value = self._container.popitem(last=False)
+
+        if self.dispose_func and evicted_value is not _Null:
+            self.dispose_func(evicted_value)
+
+    def __delitem__(self, key):
+        with self.lock:
+            value = self._container.pop(key)
+
+        if self.dispose_func:
+            self.dispose_func(value)
+
+    def __len__(self):
+        with self.lock:
+            return len(self._container)
+
+    def __iter__(self):
+        raise NotImplementedError(
+            "Iteration over this class is unlikely to be threadsafe."
+        )
+
+    def clear(self):
+        with self.lock:
+            # Copy pointers to all values, then wipe the mapping
+            values = list(itervalues(self._container))
+            self._container.clear()
+
+        if self.dispose_func:
+            for value in values:
+                self.dispose_func(value)
+
+    def keys(self):
+        with self.lock:
+            return list(iterkeys(self._container))
+
+
+class HTTPHeaderDict(MutableMapping):
+    """
+    :param headers:
+        An iterable of field-value pairs. Must not contain multiple field names
+        when compared case-insensitively.
+
+    :param kwargs:
+        Additional field-value pairs to pass in to ``dict.update``.
+
+    A ``dict`` like container for storing HTTP Headers.
+
+    Field names are stored and compared case-insensitively in compliance with
+    RFC 7230. Iteration provides the first case-sensitive key seen for each
+    case-insensitive pair.
+
+    Using ``__setitem__`` syntax overwrites fields that compare equal
+    case-insensitively in order to maintain ``dict``'s api. For fields that
+    compare equal, instead create a new ``HTTPHeaderDict`` and use ``.add``
+    in a loop.
+
+    If multiple fields that are equal case-insensitively are passed to the
+    constructor or ``.update``, the behavior is undefined and some will be
+    lost.
+
+    >>> headers = HTTPHeaderDict()
+    >>> headers.add('Set-Cookie', 'foo=bar')
+    >>> headers.add('set-cookie', 'baz=quxx')
+    >>> headers['content-length'] = '7'
+    >>> headers['SET-cookie']
+    'foo=bar, baz=quxx'
+    >>> headers['Content-Length']
+    '7'
+    """
+
+    def __init__(self, headers=None, **kwargs):
+        super(HTTPHeaderDict, self).__init__()
+        self._container = OrderedDict()
+        if headers is not None:
+            if isinstance(headers, HTTPHeaderDict):
+                self._copy_from(headers)
+            else:
+                self.extend(headers)
+        if kwargs:
+            self.extend(kwargs)
+
+    def __setitem__(self, key, val):
+        self._container[key.lower()] = [key, val]
+        return self._container[key.lower()]
+
+    def __getitem__(self, key):
+        val = self._container[key.lower()]
+        return ", ".join(val[1:])
+
+    def __delitem__(self, key):
+        del self._container[key.lower()]
+
+    def __contains__(self, key):
+        return key.lower() in self._container
+
+    def __eq__(self, other):
+        if not isinstance(other, Mapping) and not hasattr(other, "keys"):
+            return False
+        if not isinstance(other, type(self)):
+            other = type(self)(other)
+        return dict((k.lower(), v) for k, v in self.itermerged()) == dict(
+            (k.lower(), v) for k, v in other.itermerged()
+        )
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    if six.PY2:  # Python 2
+        iterkeys = MutableMapping.iterkeys
+        itervalues = MutableMapping.itervalues
+
+    __marker = object()
+
+    def __len__(self):
+        return len(self._container)
+
+    def __iter__(self):
+        # Only provide the originally cased names
+        for vals in self._container.values():
+            yield vals[0]
+
+    def pop(self, key, default=__marker):
+        """D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
+        If key is not found, d is returned if given, otherwise KeyError is raised.
+        """
+        # Using the MutableMapping function directly fails due to the private marker.
+        # Using ordinary dict.pop would expose the internal structures.
+        # So let's reinvent the wheel.
+        try:
+            value = self[key]
+        except KeyError:
+            if default is self.__marker:
+                raise
+            return default
+        else:
+            del self[key]
+            return value
+
+    def discard(self, key):
+        try:
+            del self[key]
+        except KeyError:
+            pass
+
+    def add(self, key, val):
+        """Adds a (name, value) pair, doesn't overwrite the value if it already
+        exists.
+
+        >>> headers = HTTPHeaderDict(foo='bar')
+        >>> headers.add('Foo', 'baz')
+        >>> headers['foo']
+        'bar, baz'
+        """
+        key_lower = key.lower()
+        new_vals = [key, val]
+        # Keep the common case aka no item present as fast as possible
+        vals = self._container.setdefault(key_lower, new_vals)
+        if new_vals is not vals:
+            vals.append(val)
+
+    def extend(self, *args, **kwargs):
+        """Generic import function for any type of header-like object.
+        Adapted version of MutableMapping.update in order to insert items
+        with self.add instead of self.__setitem__
+        """
+        if len(args) > 1:
+            raise TypeError(
+                "extend() takes at most 1 positional "
+                "arguments ({0} given)".format(len(args))
+            )
+        other = args[0] if len(args) >= 1 else ()
+
+        if isinstance(other, HTTPHeaderDict):
+            for key, val in other.iteritems():
+                self.add(key, val)
+        elif isinstance(other, Mapping):
+            for key in other:
+                self.add(key, other[key])
+        elif hasattr(other, "keys"):
+            for key in other.keys():
+                self.add(key, other[key])
+        else:
+            for key, value in other:
+                self.add(key, value)
+
+        for key, value in kwargs.items():
+            self.add(key, value)
+
+    def getlist(self, key, default=__marker):
+        """Returns a list of all the values for the named field. Returns an
+        empty list if the key doesn't exist."""
+        try:
+            vals = self._container[key.lower()]
+        except KeyError:
+            if default is self.__marker:
+                return []
+            return default
+        else:
+            return vals[1:]
+
+    # Backwards compatibility for httplib
+    getheaders = getlist
+    getallmatchingheaders = getlist
+    iget = getlist
+
+    # Backwards compatibility for http.cookiejar
+    get_all = getlist
+
+    def __repr__(self):
+        return "%s(%s)" % (type(self).__name__, dict(self.itermerged()))
+
+    def _copy_from(self, other):
+        for key in other:
+            val = other.getlist(key)
+            if isinstance(val, list):
+                # Don't need to convert tuples
+                val = list(val)
+            self._container[key.lower()] = [key] + val
+
+    def copy(self):
+        clone = type(self)()
+        clone._copy_from(self)
+        return clone
+
+    def iteritems(self):
+        """Iterate over all header lines, including duplicate ones."""
+        for key in self:
+            vals = self._container[key.lower()]
+            for val in vals[1:]:
+                yield vals[0], val
+
+    def itermerged(self):
+        """Iterate over all headers, merging duplicate ones together."""
+        for key in self:
+            val = self._container[key.lower()]
+            yield val[0], ", ".join(val[1:])
+
+    def items(self):
+        return list(self.iteritems())
+
+    @classmethod
+    def from_httplib(cls, message):  # Python 2
+        """Read headers from a Python 2 httplib message object."""
+        # python2.7 does not expose a proper API for exporting multiheaders
+        # efficiently. This function re-reads raw lines from the message
+        # object and extracts the multiheaders properly.
+        obs_fold_continued_leaders = (" ", "\t")
+        headers = []
+
+        for line in message.headers:
+            if line.startswith(obs_fold_continued_leaders):
+                if not headers:
+                    # We received a header line that starts with OWS as described
+                    # in RFC-7230 S3.2.4. This indicates a multiline header, but
+                    # there exists no previous header to which we can attach it.
+                    raise InvalidHeader(
+                        "Header continuation with no previous header: %s" % line
+                    )
+                else:
+                    key, value = headers[-1]
+                    headers[-1] = (key, value + " " + line.strip())
+                    continue
+
+            key, value = line.split(":", 1)
+            headers.append((key, value.strip()))
+
+        return cls(headers)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/_version.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/_version.py
new file mode 100644
index 00000000..cad75fb5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/_version.py
@@ -0,0 +1,2 @@
+# This file is protected via CODEOWNERS
+__version__ = "1.26.17"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/connection.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/connection.py
new file mode 100644
index 00000000..54b96b19
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/connection.py
@@ -0,0 +1,572 @@
+from __future__ import absolute_import
+
+import datetime
+import logging
+import os
+import re
+import socket
+import warnings
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+from .packages import six
+from .packages.six.moves.http_client import HTTPConnection as _HTTPConnection
+from .packages.six.moves.http_client import HTTPException  # noqa: F401
+from .util.proxy import create_proxy_ssl_context
+
+try:  # Compiled with SSL?
+    import ssl
+
+    BaseSSLError = ssl.SSLError
+except (ImportError, AttributeError):  # Platform-specific: No SSL.
+    ssl = None
+
+    class BaseSSLError(BaseException):
+        pass
+
+
+try:
+    # Python 3: not a no-op, we're adding this to the namespace so it can be imported.
+    ConnectionError = ConnectionError
+except NameError:
+    # Python 2
+    class ConnectionError(Exception):
+        pass
+
+
+try:  # Python 3:
+    # Not a no-op, we're adding this to the namespace so it can be imported.
+    BrokenPipeError = BrokenPipeError
+except NameError:  # Python 2:
+
+    class BrokenPipeError(Exception):
+        pass
+
+
+from ._collections import HTTPHeaderDict  # noqa (historical, removed in v2)
+from ._version import __version__
+from .exceptions import (
+    ConnectTimeoutError,
+    NewConnectionError,
+    SubjectAltNameWarning,
+    SystemTimeWarning,
+)
+from .util import SKIP_HEADER, SKIPPABLE_HEADERS, connection
+from .util.ssl_ import (
+    assert_fingerprint,
+    create_urllib3_context,
+    is_ipaddress,
+    resolve_cert_reqs,
+    resolve_ssl_version,
+    ssl_wrap_socket,
+)
+from .util.ssl_match_hostname import CertificateError, match_hostname
+
+log = logging.getLogger(__name__)
+
+port_by_scheme = {"http": 80, "https": 443}
+
+# When it comes time to update this value as a part of regular maintenance
+# (ie test_recent_date is failing) update it to ~6 months before the current date.
+RECENT_DATE = datetime.date(2022, 1, 1)
+
+_CONTAINS_CONTROL_CHAR_RE = re.compile(r"[^-!#$%&'*+.^_`|~0-9a-zA-Z]")
+
+
+class HTTPConnection(_HTTPConnection, object):
+    """
+    Based on :class:`http.client.HTTPConnection` but provides an extra constructor
+    backwards-compatibility layer between older and newer Pythons.
+
+    Additional keyword parameters are used to configure attributes of the connection.
+    Accepted parameters include:
+
+    - ``strict``: See the documentation on :class:`urllib3.connectionpool.HTTPConnectionPool`
+    - ``source_address``: Set the source address for the current connection.
+    - ``socket_options``: Set specific options on the underlying socket. If not specified, then
+      defaults are loaded from ``HTTPConnection.default_socket_options`` which includes disabling
+      Nagle's algorithm (sets TCP_NODELAY to 1) unless the connection is behind a proxy.
+
+      For example, if you wish to enable TCP Keep Alive in addition to the defaults,
+      you might pass:
+
+      .. code-block:: python
+
+         HTTPConnection.default_socket_options + [
+             (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),
+         ]
+
+      Or you may want to disable the defaults by passing an empty list (e.g., ``[]``).
+    """
+
+    default_port = port_by_scheme["http"]
+
+    #: Disable Nagle's algorithm by default.
+    #: ``[(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]``
+    default_socket_options = [(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]
+
+    #: Whether this connection verifies the host's certificate.
+    is_verified = False
+
+    #: Whether this proxy connection (if used) verifies the proxy host's
+    #: certificate.
+    proxy_is_verified = None
+
+    def __init__(self, *args, **kw):
+        if not six.PY2:
+            kw.pop("strict", None)
+
+        # Pre-set source_address.
+        self.source_address = kw.get("source_address")
+
+        #: The socket options provided by the user. If no options are
+        #: provided, we use the default options.
+        self.socket_options = kw.pop("socket_options", self.default_socket_options)
+
+        # Proxy options provided by the user.
+        self.proxy = kw.pop("proxy", None)
+        self.proxy_config = kw.pop("proxy_config", None)
+
+        _HTTPConnection.__init__(self, *args, **kw)
+
+    @property
+    def host(self):
+        """
+        Getter method to remove any trailing dots that indicate the hostname is an FQDN.
+
+        In general, SSL certificates don't include the trailing dot indicating a
+        fully-qualified domain name, and thus, they don't validate properly when
+        checked against a domain name that includes the dot. In addition, some
+        servers may not expect to receive the trailing dot when provided.
+
+        However, the hostname with trailing dot is critical to DNS resolution; doing a
+        lookup with the trailing dot will properly only resolve the appropriate FQDN,
+        whereas a lookup without a trailing dot will search the system's search domain
+        list. Thus, it's important to keep the original host around for use only in
+        those cases where it's appropriate (i.e., when doing DNS lookup to establish the
+        actual TCP connection across which we're going to send HTTP requests).
+        """
+        return self._dns_host.rstrip(".")
+
+    @host.setter
+    def host(self, value):
+        """
+        Setter for the `host` property.
+
+        We assume that only urllib3 uses the _dns_host attribute; httplib itself
+        only uses `host`, and it seems reasonable that other libraries follow suit.
+        """
+        self._dns_host = value
+
+    def _new_conn(self):
+        """Establish a socket connection and set nodelay settings on it.
+
+        :return: New socket connection.
+        """
+        extra_kw = {}
+        if self.source_address:
+            extra_kw["source_address"] = self.source_address
+
+        if self.socket_options:
+            extra_kw["socket_options"] = self.socket_options
+
+        try:
+            conn = connection.create_connection(
+                (self._dns_host, self.port), self.timeout, **extra_kw
+            )
+
+        except SocketTimeout:
+            raise ConnectTimeoutError(
+                self,
+                "Connection to %s timed out. (connect timeout=%s)"
+                % (self.host, self.timeout),
+            )
+
+        except SocketError as e:
+            raise NewConnectionError(
+                self, "Failed to establish a new connection: %s" % e
+            )
+
+        return conn
+
+    def _is_using_tunnel(self):
+        # Google App Engine's httplib does not define _tunnel_host
+        return getattr(self, "_tunnel_host", None)
+
+    def _prepare_conn(self, conn):
+        self.sock = conn
+        if self._is_using_tunnel():
+            # TODO: Fix tunnel so it doesn't depend on self.sock state.
+            self._tunnel()
+            # Mark this connection as not reusable
+            self.auto_open = 0
+
+    def connect(self):
+        conn = self._new_conn()
+        self._prepare_conn(conn)
+
+    def putrequest(self, method, url, *args, **kwargs):
+        """ """
+        # Empty docstring because the indentation of CPython's implementation
+        # is broken but we don't want this method in our documentation.
+        match = _CONTAINS_CONTROL_CHAR_RE.search(method)
+        if match:
+            raise ValueError(
+                "Method cannot contain non-token characters %r (found at least %r)"
+                % (method, match.group())
+            )
+
+        return _HTTPConnection.putrequest(self, method, url, *args, **kwargs)
+
+    def putheader(self, header, *values):
+        """ """
+        if not any(isinstance(v, str) and v == SKIP_HEADER for v in values):
+            _HTTPConnection.putheader(self, header, *values)
+        elif six.ensure_str(header.lower()) not in SKIPPABLE_HEADERS:
+            raise ValueError(
+                "urllib3.util.SKIP_HEADER only supports '%s'"
+                % ("', '".join(map(str.title, sorted(SKIPPABLE_HEADERS))),)
+            )
+
+    def request(self, method, url, body=None, headers=None):
+        # Update the inner socket's timeout value to send the request.
+        # This only triggers if the connection is re-used.
+        if getattr(self, "sock", None) is not None:
+            self.sock.settimeout(self.timeout)
+
+        if headers is None:
+            headers = {}
+        else:
+            # Avoid modifying the headers passed into .request()
+            headers = headers.copy()
+        if "user-agent" not in (six.ensure_str(k.lower()) for k in headers):
+            headers["User-Agent"] = _get_default_user_agent()
+        super(HTTPConnection, self).request(method, url, body=body, headers=headers)
+
+    def request_chunked(self, method, url, body=None, headers=None):
+        """
+        Alternative to the common request method, which sends the
+        body with chunked encoding and not as one block
+        """
+        headers = headers or {}
+        header_keys = set([six.ensure_str(k.lower()) for k in headers])
+        skip_accept_encoding = "accept-encoding" in header_keys
+        skip_host = "host" in header_keys
+        self.putrequest(
+            method, url, skip_accept_encoding=skip_accept_encoding, skip_host=skip_host
+        )
+        if "user-agent" not in header_keys:
+            self.putheader("User-Agent", _get_default_user_agent())
+        for header, value in headers.items():
+            self.putheader(header, value)
+        if "transfer-encoding" not in header_keys:
+            self.putheader("Transfer-Encoding", "chunked")
+        self.endheaders()
+
+        if body is not None:
+            stringish_types = six.string_types + (bytes,)
+            if isinstance(body, stringish_types):
+                body = (body,)
+            for chunk in body:
+                if not chunk:
+                    continue
+                if not isinstance(chunk, bytes):
+                    chunk = chunk.encode("utf8")
+                len_str = hex(len(chunk))[2:]
+                to_send = bytearray(len_str.encode())
+                to_send += b"\r\n"
+                to_send += chunk
+                to_send += b"\r\n"
+                self.send(to_send)
+
+        # After the if clause, to always have a closed body
+        self.send(b"0\r\n\r\n")
+
+
+class HTTPSConnection(HTTPConnection):
+    """
+    Many of the parameters to this constructor are passed to the underlying SSL
+    socket by means of :py:func:`urllib3.util.ssl_wrap_socket`.
+    """
+
+    default_port = port_by_scheme["https"]
+
+    cert_reqs = None
+    ca_certs = None
+    ca_cert_dir = None
+    ca_cert_data = None
+    ssl_version = None
+    assert_fingerprint = None
+    tls_in_tls_required = False
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        key_file=None,
+        cert_file=None,
+        key_password=None,
+        strict=None,
+        timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
+        ssl_context=None,
+        server_hostname=None,
+        **kw
+    ):
+
+        HTTPConnection.__init__(self, host, port, strict=strict, timeout=timeout, **kw)
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.key_password = key_password
+        self.ssl_context = ssl_context
+        self.server_hostname = server_hostname
+
+        # Required property for Google AppEngine 1.9.0 which otherwise causes
+        # HTTPS requests to go out as HTTP. (See Issue #356)
+        self._protocol = "https"
+
+    def set_cert(
+        self,
+        key_file=None,
+        cert_file=None,
+        cert_reqs=None,
+        key_password=None,
+        ca_certs=None,
+        assert_hostname=None,
+        assert_fingerprint=None,
+        ca_cert_dir=None,
+        ca_cert_data=None,
+    ):
+        """
+        This method should only be called once, before the connection is used.
+        """
+        # If cert_reqs is not provided we'll assume CERT_REQUIRED unless we also
+        # have an SSLContext object in which case we'll use its verify_mode.
+        if cert_reqs is None:
+            if self.ssl_context is not None:
+                cert_reqs = self.ssl_context.verify_mode
+            else:
+                cert_reqs = resolve_cert_reqs(None)
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.cert_reqs = cert_reqs
+        self.key_password = key_password
+        self.assert_hostname = assert_hostname
+        self.assert_fingerprint = assert_fingerprint
+        self.ca_certs = ca_certs and os.path.expanduser(ca_certs)
+        self.ca_cert_dir = ca_cert_dir and os.path.expanduser(ca_cert_dir)
+        self.ca_cert_data = ca_cert_data
+
+    def connect(self):
+        # Add certificate verification
+        self.sock = conn = self._new_conn()
+        hostname = self.host
+        tls_in_tls = False
+
+        if self._is_using_tunnel():
+            if self.tls_in_tls_required:
+                self.sock = conn = self._connect_tls_proxy(hostname, conn)
+                tls_in_tls = True
+
+            # Calls self._set_hostport(), so self.host is
+            # self._tunnel_host below.
+            self._tunnel()
+            # Mark this connection as not reusable
+            self.auto_open = 0
+
+            # Override the host with the one we're requesting data from.
+            hostname = self._tunnel_host
+
+        server_hostname = hostname
+        if self.server_hostname is not None:
+            server_hostname = self.server_hostname
+
+        is_time_off = datetime.date.today() < RECENT_DATE
+        if is_time_off:
+            warnings.warn(
+                (
+                    "System time is way off (before {0}). This will probably "
+                    "lead to SSL verification errors"
+                ).format(RECENT_DATE),
+                SystemTimeWarning,
+            )
+
+        # Wrap socket using verification with the root certs in
+        # trusted_root_certs
+        default_ssl_context = False
+        if self.ssl_context is None:
+            default_ssl_context = True
+            self.ssl_context = create_urllib3_context(
+                ssl_version=resolve_ssl_version(self.ssl_version),
+                cert_reqs=resolve_cert_reqs(self.cert_reqs),
+            )
+
+        context = self.ssl_context
+        context.verify_mode = resolve_cert_reqs(self.cert_reqs)
+
+        # Try to load OS default certs if none are given.
+        # Works well on Windows (requires Python3.4+)
+        if (
+            not self.ca_certs
+            and not self.ca_cert_dir
+            and not self.ca_cert_data
+            and default_ssl_context
+            and hasattr(context, "load_default_certs")
+        ):
+            context.load_default_certs()
+
+        self.sock = ssl_wrap_socket(
+            sock=conn,
+            keyfile=self.key_file,
+            certfile=self.cert_file,
+            key_password=self.key_password,
+            ca_certs=self.ca_certs,
+            ca_cert_dir=self.ca_cert_dir,
+            ca_cert_data=self.ca_cert_data,
+            server_hostname=server_hostname,
+            ssl_context=context,
+            tls_in_tls=tls_in_tls,
+        )
+
+        # If we're using all defaults and the connection
+        # is TLSv1 or TLSv1.1 we throw a DeprecationWarning
+        # for the host.
+        if (
+            default_ssl_context
+            and self.ssl_version is None
+            and hasattr(self.sock, "version")
+            and self.sock.version() in {"TLSv1", "TLSv1.1"}
+        ):
+            warnings.warn(
+                "Negotiating TLSv1/TLSv1.1 by default is deprecated "
+                "and will be disabled in urllib3 v2.0.0. Connecting to "
+                "'%s' with '%s' can be enabled by explicitly opting-in "
+                "with 'ssl_version'" % (self.host, self.sock.version()),
+                DeprecationWarning,
+            )
+
+        if self.assert_fingerprint:
+            assert_fingerprint(
+                self.sock.getpeercert(binary_form=True), self.assert_fingerprint
+            )
+        elif (
+            context.verify_mode != ssl.CERT_NONE
+            and not getattr(context, "check_hostname", False)
+            and self.assert_hostname is not False
+        ):
+            # While urllib3 attempts to always turn off hostname matching from
+            # the TLS library, this cannot always be done. So we check whether
+            # the TLS Library still thinks it's matching hostnames.
+            cert = self.sock.getpeercert()
+            if not cert.get("subjectAltName", ()):
+                warnings.warn(
+                    (
+                        "Certificate for {0} has no `subjectAltName`, falling back to check for a "
+                        "`commonName` for now. This feature is being removed by major browsers and "
+                        "deprecated by RFC 2818. (See https://github.com/urllib3/urllib3/issues/497 "
+                        "for details.)".format(hostname)
+                    ),
+                    SubjectAltNameWarning,
+                )
+            _match_hostname(cert, self.assert_hostname or server_hostname)
+
+        self.is_verified = (
+            context.verify_mode == ssl.CERT_REQUIRED
+            or self.assert_fingerprint is not None
+        )
+
+    def _connect_tls_proxy(self, hostname, conn):
+        """
+        Establish a TLS connection to the proxy using the provided SSL context.
+        """
+        proxy_config = self.proxy_config
+        ssl_context = proxy_config.ssl_context
+        if ssl_context:
+            # If the user provided a proxy context, we assume CA and client
+            # certificates have already been set
+            return ssl_wrap_socket(
+                sock=conn,
+                server_hostname=hostname,
+                ssl_context=ssl_context,
+            )
+
+        ssl_context = create_proxy_ssl_context(
+            self.ssl_version,
+            self.cert_reqs,
+            self.ca_certs,
+            self.ca_cert_dir,
+            self.ca_cert_data,
+        )
+
+        # If no cert was provided, use only the default options for server
+        # certificate validation
+        socket = ssl_wrap_socket(
+            sock=conn,
+            ca_certs=self.ca_certs,
+            ca_cert_dir=self.ca_cert_dir,
+            ca_cert_data=self.ca_cert_data,
+            server_hostname=hostname,
+            ssl_context=ssl_context,
+        )
+
+        if ssl_context.verify_mode != ssl.CERT_NONE and not getattr(
+            ssl_context, "check_hostname", False
+        ):
+            # While urllib3 attempts to always turn off hostname matching from
+            # the TLS library, this cannot always be done. So we check whether
+            # the TLS Library still thinks it's matching hostnames.
+            cert = socket.getpeercert()
+            if not cert.get("subjectAltName", ()):
+                warnings.warn(
+                    (
+                        "Certificate for {0} has no `subjectAltName`, falling back to check for a "
+                        "`commonName` for now. This feature is being removed by major browsers and "
+                        "deprecated by RFC 2818. (See https://github.com/urllib3/urllib3/issues/497 "
+                        "for details.)".format(hostname)
+                    ),
+                    SubjectAltNameWarning,
+                )
+            _match_hostname(cert, hostname)
+
+        self.proxy_is_verified = ssl_context.verify_mode == ssl.CERT_REQUIRED
+        return socket
+
+
+def _match_hostname(cert, asserted_hostname):
+    # Our upstream implementation of ssl.match_hostname()
+    # only applies this normalization to IP addresses so it doesn't
+    # match DNS SANs so we do the same thing!
+    stripped_hostname = asserted_hostname.strip("u[]")
+    if is_ipaddress(stripped_hostname):
+        asserted_hostname = stripped_hostname
+
+    try:
+        match_hostname(cert, asserted_hostname)
+    except CertificateError as e:
+        log.warning(
+            "Certificate did not match expected hostname: %s. Certificate: %s",
+            asserted_hostname,
+            cert,
+        )
+        # Add cert to exception and reraise so client code can inspect
+        # the cert when catching the exception, if they want to
+        e._peer_cert = cert
+        raise
+
+
+def _get_default_user_agent():
+    return "python-urllib3/%s" % __version__
+
+
+class DummyConnection(object):
+    """Used to detect a failed ConnectionCls import."""
+
+    pass
+
+
+if not ssl:
+    HTTPSConnection = DummyConnection  # noqa: F811
+
+
+VerifiedHTTPSConnection = HTTPSConnection
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/connectionpool.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/connectionpool.py
new file mode 100644
index 00000000..96844d93
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/connectionpool.py
@@ -0,0 +1,1132 @@
+from __future__ import absolute_import
+
+import errno
+import logging
+import re
+import socket
+import sys
+import warnings
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+from .connection import (
+    BaseSSLError,
+    BrokenPipeError,
+    DummyConnection,
+    HTTPConnection,
+    HTTPException,
+    HTTPSConnection,
+    VerifiedHTTPSConnection,
+    port_by_scheme,
+)
+from .exceptions import (
+    ClosedPoolError,
+    EmptyPoolError,
+    HeaderParsingError,
+    HostChangedError,
+    InsecureRequestWarning,
+    LocationValueError,
+    MaxRetryError,
+    NewConnectionError,
+    ProtocolError,
+    ProxyError,
+    ReadTimeoutError,
+    SSLError,
+    TimeoutError,
+)
+from .packages import six
+from .packages.six.moves import queue
+from .request import RequestMethods
+from .response import HTTPResponse
+from .util.connection import is_connection_dropped
+from .util.proxy import connection_requires_http_tunnel
+from .util.queue import LifoQueue
+from .util.request import set_file_position
+from .util.response import assert_header_parsing
+from .util.retry import Retry
+from .util.ssl_match_hostname import CertificateError
+from .util.timeout import Timeout
+from .util.url import Url, _encode_target
+from .util.url import _normalize_host as normalize_host
+from .util.url import get_host, parse_url
+
+try:  # Platform-specific: Python 3
+    import weakref
+
+    weakref_finalize = weakref.finalize
+except AttributeError:  # Platform-specific: Python 2
+    from .packages.backports.weakref_finalize import weakref_finalize
+
+xrange = six.moves.xrange
+
+log = logging.getLogger(__name__)
+
+_Default = object()
+
+
+# Pool objects
+class ConnectionPool(object):
+    """
+    Base class for all connection pools, such as
+    :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`.
+
+    .. note::
+       ConnectionPool.urlopen() does not normalize or percent-encode target URIs
+       which is useful if your target server doesn't support percent-encoded
+       target URIs.
+    """
+
+    scheme = None
+    QueueCls = LifoQueue
+
+    def __init__(self, host, port=None):
+        if not host:
+            raise LocationValueError("No host specified.")
+
+        self.host = _normalize_host(host, scheme=self.scheme)
+        self._proxy_host = host.lower()
+        self.port = port
+
+    def __str__(self):
+        return "%s(host=%r, port=%r)" % (type(self).__name__, self.host, self.port)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.close()
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def close(self):
+        """
+        Close all pooled connections and disable the pool.
+        """
+        pass
+
+
+# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252
+_blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK}
+
+
+class HTTPConnectionPool(ConnectionPool, RequestMethods):
+    """
+    Thread-safe connection pool for one host.
+
+    :param host:
+        Host used for this HTTP Connection (e.g. "localhost"), passed into
+        :class:`http.client.HTTPConnection`.
+
+    :param port:
+        Port used for this HTTP Connection (None is equivalent to 80), passed
+        into :class:`http.client.HTTPConnection`.
+
+    :param strict:
+        Causes BadStatusLine to be raised if the status line can't be parsed
+        as a valid HTTP/1.0 or 1.1 status line, passed into
+        :class:`http.client.HTTPConnection`.
+
+        .. note::
+           Only works in Python 2. This parameter is ignored in Python 3.
+
+    :param timeout:
+        Socket timeout in seconds for each individual connection. This can
+        be a float or integer, which sets the timeout for the HTTP request,
+        or an instance of :class:`urllib3.util.Timeout` which gives you more
+        fine-grained control over request timeouts. After the constructor has
+        been parsed, this is always a `urllib3.util.Timeout` object.
+
+    :param maxsize:
+        Number of connections to save that can be reused. More than 1 is useful
+        in multithreaded situations. If ``block`` is set to False, more
+        connections will be created but they will not be saved once they've
+        been used.
+
+    :param block:
+        If set to True, no more than ``maxsize`` connections will be used at
+        a time. When no free connections are available, the call will block
+        until a connection has been released. This is a useful side effect for
+        particular multithreaded situations where one does not want to use more
+        than maxsize connections per host to prevent flooding.
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+
+    :param retries:
+        Retry configuration to use by default with requests in this pool.
+
+    :param _proxy:
+        Parsed proxy URL, should not be used directly, instead, see
+        :class:`urllib3.ProxyManager`
+
+    :param _proxy_headers:
+        A dictionary with proxy headers, should not be used directly,
+        instead, see :class:`urllib3.ProxyManager`
+
+    :param \\**conn_kw:
+        Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`,
+        :class:`urllib3.connection.HTTPSConnection` instances.
+    """
+
+    scheme = "http"
+    ConnectionCls = HTTPConnection
+    ResponseCls = HTTPResponse
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        strict=False,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        maxsize=1,
+        block=False,
+        headers=None,
+        retries=None,
+        _proxy=None,
+        _proxy_headers=None,
+        _proxy_config=None,
+        **conn_kw
+    ):
+        ConnectionPool.__init__(self, host, port)
+        RequestMethods.__init__(self, headers)
+
+        self.strict = strict
+
+        if not isinstance(timeout, Timeout):
+            timeout = Timeout.from_float(timeout)
+
+        if retries is None:
+            retries = Retry.DEFAULT
+
+        self.timeout = timeout
+        self.retries = retries
+
+        self.pool = self.QueueCls(maxsize)
+        self.block = block
+
+        self.proxy = _proxy
+        self.proxy_headers = _proxy_headers or {}
+        self.proxy_config = _proxy_config
+
+        # Fill the queue up so that doing get() on it will block properly
+        for _ in xrange(maxsize):
+            self.pool.put(None)
+
+        # These are mostly for testing and debugging purposes.
+        self.num_connections = 0
+        self.num_requests = 0
+        self.conn_kw = conn_kw
+
+        if self.proxy:
+            # Enable Nagle's algorithm for proxies, to avoid packet fragmentation.
+            # We cannot know if the user has added default socket options, so we cannot replace the
+            # list.
+            self.conn_kw.setdefault("socket_options", [])
+
+            self.conn_kw["proxy"] = self.proxy
+            self.conn_kw["proxy_config"] = self.proxy_config
+
+        # Do not pass 'self' as callback to 'finalize'.
+        # Then the 'finalize' would keep an endless living (leak) to self.
+        # By just passing a reference to the pool allows the garbage collector
+        # to free self if nobody else has a reference to it.
+        pool = self.pool
+
+        # Close all the HTTPConnections in the pool before the
+        # HTTPConnectionPool object is garbage collected.
+        weakref_finalize(self, _close_pool_connections, pool)
+
+    def _new_conn(self):
+        """
+        Return a fresh :class:`HTTPConnection`.
+        """
+        self.num_connections += 1
+        log.debug(
+            "Starting new HTTP connection (%d): %s:%s",
+            self.num_connections,
+            self.host,
+            self.port or "80",
+        )
+
+        conn = self.ConnectionCls(
+            host=self.host,
+            port=self.port,
+            timeout=self.timeout.connect_timeout,
+            strict=self.strict,
+            **self.conn_kw
+        )
+        return conn
+
+    def _get_conn(self, timeout=None):
+        """
+        Get a connection. Will return a pooled connection if one is available.
+
+        If no connections are available and :prop:`.block` is ``False``, then a
+        fresh connection is returned.
+
+        :param timeout:
+            Seconds to wait before giving up and raising
+            :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and
+            :prop:`.block` is ``True``.
+        """
+        conn = None
+        try:
+            conn = self.pool.get(block=self.block, timeout=timeout)
+
+        except AttributeError:  # self.pool is None
+            raise ClosedPoolError(self, "Pool is closed.")
+
+        except queue.Empty:
+            if self.block:
+                raise EmptyPoolError(
+                    self,
+                    "Pool reached maximum size and no more connections are allowed.",
+                )
+            pass  # Oh well, we'll create a new connection then
+
+        # If this is a persistent connection, check if it got disconnected
+        if conn and is_connection_dropped(conn):
+            log.debug("Resetting dropped connection: %s", self.host)
+            conn.close()
+            if getattr(conn, "auto_open", 1) == 0:
+                # This is a proxied connection that has been mutated by
+                # http.client._tunnel() and cannot be reused (since it would
+                # attempt to bypass the proxy)
+                conn = None
+
+        return conn or self._new_conn()
+
+    def _put_conn(self, conn):
+        """
+        Put a connection back into the pool.
+
+        :param conn:
+            Connection object for the current host and port as returned by
+            :meth:`._new_conn` or :meth:`._get_conn`.
+
+        If the pool is already full, the connection is closed and discarded
+        because we exceeded maxsize. If connections are discarded frequently,
+        then maxsize should be increased.
+
+        If the pool is closed, then the connection will be closed and discarded.
+        """
+        try:
+            self.pool.put(conn, block=False)
+            return  # Everything is dandy, done.
+        except AttributeError:
+            # self.pool is None.
+            pass
+        except queue.Full:
+            # This should never happen if self.block == True
+            log.warning(
+                "Connection pool is full, discarding connection: %s. Connection pool size: %s",
+                self.host,
+                self.pool.qsize(),
+            )
+        # Connection never got put back into the pool, close it.
+        if conn:
+            conn.close()
+
+    def _validate_conn(self, conn):
+        """
+        Called right before a request is made, after the socket is created.
+        """
+        pass
+
+    def _prepare_proxy(self, conn):
+        # Nothing to do for HTTP connections.
+        pass
+
+    def _get_timeout(self, timeout):
+        """Helper that always returns a :class:`urllib3.util.Timeout`"""
+        if timeout is _Default:
+            return self.timeout.clone()
+
+        if isinstance(timeout, Timeout):
+            return timeout.clone()
+        else:
+            # User passed us an int/float. This is for backwards compatibility,
+            # can be removed later
+            return Timeout.from_float(timeout)
+
+    def _raise_timeout(self, err, url, timeout_value):
+        """Is the error actually a timeout? Will raise a ReadTimeout or pass"""
+
+        if isinstance(err, SocketTimeout):
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+        # See the above comment about EAGAIN in Python 3. In Python 2 we have
+        # to specifically catch it and throw the timeout error
+        if hasattr(err, "errno") and err.errno in _blocking_errnos:
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+        # Catch possible read timeouts thrown as SSL errors. If not the
+        # case, rethrow the original. We need to do this because of:
+        # http://bugs.python.org/issue10272
+        if "timed out" in str(err) or "did not complete (read)" in str(
+            err
+        ):  # Python < 2.7.4
+            raise ReadTimeoutError(
+                self, url, "Read timed out. (read timeout=%s)" % timeout_value
+            )
+
+    def _make_request(
+        self, conn, method, url, timeout=_Default, chunked=False, **httplib_request_kw
+    ):
+        """
+        Perform a request on a given urllib connection object taken from our
+        pool.
+
+        :param conn:
+            a connection from one of our connection pools
+
+        :param timeout:
+            Socket timeout in seconds for the request. This can be a
+            float or integer, which will set the same timeout value for
+            the socket connect and the socket read, or an instance of
+            :class:`urllib3.util.Timeout`, which gives you more fine-grained
+            control over your timeouts.
+        """
+        self.num_requests += 1
+
+        timeout_obj = self._get_timeout(timeout)
+        timeout_obj.start_connect()
+        conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout)
+
+        # Trigger any extra validation we need to do.
+        try:
+            self._validate_conn(conn)
+        except (SocketTimeout, BaseSSLError) as e:
+            # Py2 raises this as a BaseSSLError, Py3 raises it as socket timeout.
+            self._raise_timeout(err=e, url=url, timeout_value=conn.timeout)
+            raise
+
+        # conn.request() calls http.client.*.request, not the method in
+        # urllib3.request. It also calls makefile (recv) on the socket.
+        try:
+            if chunked:
+                conn.request_chunked(method, url, **httplib_request_kw)
+            else:
+                conn.request(method, url, **httplib_request_kw)
+
+        # We are swallowing BrokenPipeError (errno.EPIPE) since the server is
+        # legitimately able to close the connection after sending a valid response.
+        # With this behaviour, the received response is still readable.
+        except BrokenPipeError:
+            # Python 3
+            pass
+        except IOError as e:
+            # Python 2 and macOS/Linux
+            # EPIPE and ESHUTDOWN are BrokenPipeError on Python 2, and EPROTOTYPE is needed on macOS
+            # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/
+            if e.errno not in {
+                errno.EPIPE,
+                errno.ESHUTDOWN,
+                errno.EPROTOTYPE,
+            }:
+                raise
+
+        # Reset the timeout for the recv() on the socket
+        read_timeout = timeout_obj.read_timeout
+
+        # App Engine doesn't have a sock attr
+        if getattr(conn, "sock", None):
+            # In Python 3 socket.py will catch EAGAIN and return None when you
+            # try and read into the file pointer created by http.client, which
+            # instead raises a BadStatusLine exception. Instead of catching
+            # the exception and assuming all BadStatusLine exceptions are read
+            # timeouts, check for a zero timeout before making the request.
+            if read_timeout == 0:
+                raise ReadTimeoutError(
+                    self, url, "Read timed out. (read timeout=%s)" % read_timeout
+                )
+            if read_timeout is Timeout.DEFAULT_TIMEOUT:
+                conn.sock.settimeout(socket.getdefaulttimeout())
+            else:  # None or a value
+                conn.sock.settimeout(read_timeout)
+
+        # Receive the response from the server
+        try:
+            try:
+                # Python 2.7, use buffering of HTTP responses
+                httplib_response = conn.getresponse(buffering=True)
+            except TypeError:
+                # Python 3
+                try:
+                    httplib_response = conn.getresponse()
+                except BaseException as e:
+                    # Remove the TypeError from the exception chain in
+                    # Python 3 (including for exceptions like SystemExit).
+                    # Otherwise it looks like a bug in the code.
+                    six.raise_from(e, None)
+        except (SocketTimeout, BaseSSLError, SocketError) as e:
+            self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
+            raise
+
+        # AppEngine doesn't have a version attr.
+        http_version = getattr(conn, "_http_vsn_str", "HTTP/?")
+        log.debug(
+            '%s://%s:%s "%s %s %s" %s %s',
+            self.scheme,
+            self.host,
+            self.port,
+            method,
+            url,
+            http_version,
+            httplib_response.status,
+            httplib_response.length,
+        )
+
+        try:
+            assert_header_parsing(httplib_response.msg)
+        except (HeaderParsingError, TypeError) as hpe:  # Platform-specific: Python 3
+            log.warning(
+                "Failed to parse headers (url=%s): %s",
+                self._absolute_url(url),
+                hpe,
+                exc_info=True,
+            )
+
+        return httplib_response
+
+    def _absolute_url(self, path):
+        return Url(scheme=self.scheme, host=self.host, port=self.port, path=path).url
+
+    def close(self):
+        """
+        Close all pooled connections and disable the pool.
+        """
+        if self.pool is None:
+            return
+        # Disable access to the pool
+        old_pool, self.pool = self.pool, None
+
+        # Close all the HTTPConnections in the pool.
+        _close_pool_connections(old_pool)
+
+    def is_same_host(self, url):
+        """
+        Check if the given ``url`` is a member of the same host as this
+        connection pool.
+        """
+        if url.startswith("/"):
+            return True
+
+        # TODO: Add optional support for socket.gethostbyname checking.
+        scheme, host, port = get_host(url)
+        if host is not None:
+            host = _normalize_host(host, scheme=scheme)
+
+        # Use explicit default port for comparison when none is given
+        if self.port and not port:
+            port = port_by_scheme.get(scheme)
+        elif not self.port and port == port_by_scheme.get(scheme):
+            port = None
+
+        return (scheme, host, port) == (self.scheme, self.host, self.port)
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=None,
+        redirect=True,
+        assert_same_host=True,
+        timeout=_Default,
+        pool_timeout=None,
+        release_conn=None,
+        chunked=False,
+        body_pos=None,
+        **response_kw
+    ):
+        """
+        Get a connection from the pool and perform an HTTP request. This is the
+        lowest level call for making a request, so you'll need to specify all
+        the raw details.
+
+        .. note::
+
+           More commonly, it's appropriate to use a convenience method provided
+           by :class:`.RequestMethods`, such as :meth:`request`.
+
+        .. note::
+
+           `release_conn` will only behave as expected if
+           `preload_content=False` because we want to make
+           `preload_content=False` the default behaviour someday soon without
+           breaking backwards compatibility.
+
+        :param method:
+            HTTP request method (such as GET, POST, PUT, etc.)
+
+        :param url:
+            The URL to perform the request on.
+
+        :param body:
+            Data to send in the request body, either :class:`str`, :class:`bytes`,
+            an iterable of :class:`str`/:class:`bytes`, or a file-like object.
+
+        :param headers:
+            Dictionary of custom headers to send, such as User-Agent,
+            If-None-Match, etc. If None, pool headers are used. If provided,
+            these headers completely replace any pool-specific headers.
+
+        :param retries:
+            Configure the number of retries to allow before raising a
+            :class:`~urllib3.exceptions.MaxRetryError` exception.
+
+            Pass ``None`` to retry until you receive a response. Pass a
+            :class:`~urllib3.util.retry.Retry` object for fine-grained control
+            over different types of retries.
+            Pass an integer number to retry connection errors that many times,
+            but no other types of errors. Pass zero to never retry.
+
+            If ``False``, then retries are disabled and any exception is raised
+            immediately. Also, instead of raising a MaxRetryError on redirects,
+            the redirect response will be returned.
+
+        :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int.
+
+        :param redirect:
+            If True, automatically handle redirects (status codes 301, 302,
+            303, 307, 308). Each redirect counts as a retry. Disabling retries
+            will disable redirect, too.
+
+        :param assert_same_host:
+            If ``True``, will make sure that the host of the pool requests is
+            consistent else will raise HostChangedError. When ``False``, you can
+            use the pool on an HTTP proxy and request foreign hosts.
+
+        :param timeout:
+            If specified, overrides the default timeout for this one
+            request. It may be a float (in seconds) or an instance of
+            :class:`urllib3.util.Timeout`.
+
+        :param pool_timeout:
+            If set and the pool is set to block=True, then this method will
+            block for ``pool_timeout`` seconds and raise EmptyPoolError if no
+            connection is available within the time period.
+
+        :param release_conn:
+            If False, then the urlopen call will not release the connection
+            back into the pool once a response is received (but will release if
+            you read the entire contents of the response such as when
+            `preload_content=True`). This is useful if you're not preloading
+            the response's content immediately. You will need to call
+            ``r.release_conn()`` on the response ``r`` to return the connection
+            back into the pool. If None, it takes the value of
+            ``response_kw.get('preload_content', True)``.
+
+        :param chunked:
+            If True, urllib3 will send the body using chunked transfer
+            encoding. Otherwise, urllib3 will send the body using the standard
+            content-length form. Defaults to False.
+
+        :param int body_pos:
+            Position to seek to in file-like body in the event of a retry or
+            redirect. Typically this won't need to be set because urllib3 will
+            auto-populate the value when needed.
+
+        :param \\**response_kw:
+            Additional parameters are passed to
+            :meth:`urllib3.response.HTTPResponse.from_httplib`
+        """
+
+        parsed_url = parse_url(url)
+        destination_scheme = parsed_url.scheme
+
+        if headers is None:
+            headers = self.headers
+
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
+
+        if release_conn is None:
+            release_conn = response_kw.get("preload_content", True)
+
+        # Check host
+        if assert_same_host and not self.is_same_host(url):
+            raise HostChangedError(self, url, retries)
+
+        # Ensure that the URL we're connecting to is properly encoded
+        if url.startswith("/"):
+            url = six.ensure_str(_encode_target(url))
+        else:
+            url = six.ensure_str(parsed_url.url)
+
+        conn = None
+
+        # Track whether `conn` needs to be released before
+        # returning/raising/recursing. Update this variable if necessary, and
+        # leave `release_conn` constant throughout the function. That way, if
+        # the function recurses, the original value of `release_conn` will be
+        # passed down into the recursive call, and its value will be respected.
+        #
+        # See issue #651 [1] for details.
+        #
+        # [1] <https://github.com/urllib3/urllib3/issues/651>
+        release_this_conn = release_conn
+
+        http_tunnel_required = connection_requires_http_tunnel(
+            self.proxy, self.proxy_config, destination_scheme
+        )
+
+        # Merge the proxy headers. Only done when not using HTTP CONNECT. We
+        # have to copy the headers dict so we can safely change it without those
+        # changes being reflected in anyone else's copy.
+        if not http_tunnel_required:
+            headers = headers.copy()
+            headers.update(self.proxy_headers)
+
+        # Must keep the exception bound to a separate variable or else Python 3
+        # complains about UnboundLocalError.
+        err = None
+
+        # Keep track of whether we cleanly exited the except block. This
+        # ensures we do proper cleanup in finally.
+        clean_exit = False
+
+        # Rewind body position, if needed. Record current position
+        # for future rewinds in the event of a redirect/retry.
+        body_pos = set_file_position(body, body_pos)
+
+        try:
+            # Request a connection from the queue.
+            timeout_obj = self._get_timeout(timeout)
+            conn = self._get_conn(timeout=pool_timeout)
+
+            conn.timeout = timeout_obj.connect_timeout
+
+            is_new_proxy_conn = self.proxy is not None and not getattr(
+                conn, "sock", None
+            )
+            if is_new_proxy_conn and http_tunnel_required:
+                self._prepare_proxy(conn)
+
+            # Make the request on the httplib connection object.
+            httplib_response = self._make_request(
+                conn,
+                method,
+                url,
+                timeout=timeout_obj,
+                body=body,
+                headers=headers,
+                chunked=chunked,
+            )
+
+            # If we're going to release the connection in ``finally:``, then
+            # the response doesn't need to know about the connection. Otherwise
+            # it will also try to release it and we'll have a double-release
+            # mess.
+            response_conn = conn if not release_conn else None
+
+            # Pass method to Response for length checking
+            response_kw["request_method"] = method
+
+            # Import httplib's response into our own wrapper object
+            response = self.ResponseCls.from_httplib(
+                httplib_response,
+                pool=self,
+                connection=response_conn,
+                retries=retries,
+                **response_kw
+            )
+
+            # Everything went great!
+            clean_exit = True
+
+        except EmptyPoolError:
+            # Didn't get a connection from the pool, no need to clean up
+            clean_exit = True
+            release_this_conn = False
+            raise
+
+        except (
+            TimeoutError,
+            HTTPException,
+            SocketError,
+            ProtocolError,
+            BaseSSLError,
+            SSLError,
+            CertificateError,
+        ) as e:
+            # Discard the connection for these exceptions. It will be
+            # replaced during the next _get_conn() call.
+            clean_exit = False
+
+            def _is_ssl_error_message_from_http_proxy(ssl_error):
+                # We're trying to detect the message 'WRONG_VERSION_NUMBER' but
+                # SSLErrors are kinda all over the place when it comes to the message,
+                # so we try to cover our bases here!
+                message = " ".join(re.split("[^a-z]", str(ssl_error).lower()))
+                return (
+                    "wrong version number" in message or "unknown protocol" in message
+                )
+
+            # Try to detect a common user error with proxies which is to
+            # set an HTTP proxy to be HTTPS when it should be 'http://'
+            # (ie {'http': 'http://proxy', 'https': 'https://proxy'})
+            # Instead we add a nice error message and point to a URL.
+            if (
+                isinstance(e, BaseSSLError)
+                and self.proxy
+                and _is_ssl_error_message_from_http_proxy(e)
+                and conn.proxy
+                and conn.proxy.scheme == "https"
+            ):
+                e = ProxyError(
+                    "Your proxy appears to only use HTTP and not HTTPS, "
+                    "try changing your proxy URL to be HTTP. See: "
+                    "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                    "#https-proxy-error-http-proxy",
+                    SSLError(e),
+                )
+            elif isinstance(e, (BaseSSLError, CertificateError)):
+                e = SSLError(e)
+            elif isinstance(e, (SocketError, NewConnectionError)) and self.proxy:
+                e = ProxyError("Cannot connect to proxy.", e)
+            elif isinstance(e, (SocketError, HTTPException)):
+                e = ProtocolError("Connection aborted.", e)
+
+            retries = retries.increment(
+                method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
+            )
+            retries.sleep()
+
+            # Keep track of the error for the retry warning.
+            err = e
+
+        finally:
+            if not clean_exit:
+                # We hit some kind of exception, handled or otherwise. We need
+                # to throw the connection away unless explicitly told not to.
+                # Close the connection, set the variable to None, and make sure
+                # we put the None back in the pool to avoid leaking it.
+                conn = conn and conn.close()
+                release_this_conn = True
+
+            if release_this_conn:
+                # Put the connection back to be reused. If the connection is
+                # expired then it will be None, which will get replaced with a
+                # fresh connection during _get_conn.
+                self._put_conn(conn)
+
+        if not conn:
+            # Try again
+            log.warning(
+                "Retrying (%r) after connection broken by '%r': %s", retries, err, url
+            )
+            return self.urlopen(
+                method,
+                url,
+                body,
+                headers,
+                retries,
+                redirect,
+                assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        # Handle redirect?
+        redirect_location = redirect and response.get_redirect_location()
+        if redirect_location:
+            if response.status == 303:
+                method = "GET"
+
+            try:
+                retries = retries.increment(method, url, response=response, _pool=self)
+            except MaxRetryError:
+                if retries.raise_on_redirect:
+                    response.drain_conn()
+                    raise
+                return response
+
+            response.drain_conn()
+            retries.sleep_for_retry(response)
+            log.debug("Redirecting %s -> %s", url, redirect_location)
+            return self.urlopen(
+                method,
+                redirect_location,
+                body,
+                headers,
+                retries=retries,
+                redirect=redirect,
+                assert_same_host=assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        # Check if we should retry the HTTP response.
+        has_retry_after = bool(response.headers.get("Retry-After"))
+        if retries.is_retry(method, response.status, has_retry_after):
+            try:
+                retries = retries.increment(method, url, response=response, _pool=self)
+            except MaxRetryError:
+                if retries.raise_on_status:
+                    response.drain_conn()
+                    raise
+                return response
+
+            response.drain_conn()
+            retries.sleep(response)
+            log.debug("Retry: %s", url)
+            return self.urlopen(
+                method,
+                url,
+                body,
+                headers,
+                retries=retries,
+                redirect=redirect,
+                assert_same_host=assert_same_host,
+                timeout=timeout,
+                pool_timeout=pool_timeout,
+                release_conn=release_conn,
+                chunked=chunked,
+                body_pos=body_pos,
+                **response_kw
+            )
+
+        return response
+
+
+class HTTPSConnectionPool(HTTPConnectionPool):
+    """
+    Same as :class:`.HTTPConnectionPool`, but HTTPS.
+
+    :class:`.HTTPSConnection` uses one of ``assert_fingerprint``,
+    ``assert_hostname`` and ``host`` in this order to verify connections.
+    If ``assert_hostname`` is False, no verification is done.
+
+    The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``,
+    ``ca_cert_dir``, ``ssl_version``, ``key_password`` are only used if :mod:`ssl`
+    is available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade
+    the connection socket into an SSL socket.
+    """
+
+    scheme = "https"
+    ConnectionCls = HTTPSConnection
+
+    def __init__(
+        self,
+        host,
+        port=None,
+        strict=False,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        maxsize=1,
+        block=False,
+        headers=None,
+        retries=None,
+        _proxy=None,
+        _proxy_headers=None,
+        key_file=None,
+        cert_file=None,
+        cert_reqs=None,
+        key_password=None,
+        ca_certs=None,
+        ssl_version=None,
+        assert_hostname=None,
+        assert_fingerprint=None,
+        ca_cert_dir=None,
+        **conn_kw
+    ):
+
+        HTTPConnectionPool.__init__(
+            self,
+            host,
+            port,
+            strict,
+            timeout,
+            maxsize,
+            block,
+            headers,
+            retries,
+            _proxy,
+            _proxy_headers,
+            **conn_kw
+        )
+
+        self.key_file = key_file
+        self.cert_file = cert_file
+        self.cert_reqs = cert_reqs
+        self.key_password = key_password
+        self.ca_certs = ca_certs
+        self.ca_cert_dir = ca_cert_dir
+        self.ssl_version = ssl_version
+        self.assert_hostname = assert_hostname
+        self.assert_fingerprint = assert_fingerprint
+
+    def _prepare_conn(self, conn):
+        """
+        Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket`
+        and establish the tunnel if proxy is used.
+        """
+
+        if isinstance(conn, VerifiedHTTPSConnection):
+            conn.set_cert(
+                key_file=self.key_file,
+                key_password=self.key_password,
+                cert_file=self.cert_file,
+                cert_reqs=self.cert_reqs,
+                ca_certs=self.ca_certs,
+                ca_cert_dir=self.ca_cert_dir,
+                assert_hostname=self.assert_hostname,
+                assert_fingerprint=self.assert_fingerprint,
+            )
+            conn.ssl_version = self.ssl_version
+        return conn
+
+    def _prepare_proxy(self, conn):
+        """
+        Establishes a tunnel connection through HTTP CONNECT.
+
+        Tunnel connection is established early because otherwise httplib would
+        improperly set Host: header to proxy's IP:port.
+        """
+
+        conn.set_tunnel(self._proxy_host, self.port, self.proxy_headers)
+
+        if self.proxy.scheme == "https":
+            conn.tls_in_tls_required = True
+
+        conn.connect()
+
+    def _new_conn(self):
+        """
+        Return a fresh :class:`http.client.HTTPSConnection`.
+        """
+        self.num_connections += 1
+        log.debug(
+            "Starting new HTTPS connection (%d): %s:%s",
+            self.num_connections,
+            self.host,
+            self.port or "443",
+        )
+
+        if not self.ConnectionCls or self.ConnectionCls is DummyConnection:
+            raise SSLError(
+                "Can't connect to HTTPS URL because the SSL module is not available."
+            )
+
+        actual_host = self.host
+        actual_port = self.port
+        if self.proxy is not None:
+            actual_host = self.proxy.host
+            actual_port = self.proxy.port
+
+        conn = self.ConnectionCls(
+            host=actual_host,
+            port=actual_port,
+            timeout=self.timeout.connect_timeout,
+            strict=self.strict,
+            cert_file=self.cert_file,
+            key_file=self.key_file,
+            key_password=self.key_password,
+            **self.conn_kw
+        )
+
+        return self._prepare_conn(conn)
+
+    def _validate_conn(self, conn):
+        """
+        Called right before a request is made, after the socket is created.
+        """
+        super(HTTPSConnectionPool, self)._validate_conn(conn)
+
+        # Force connect early to allow us to validate the connection.
+        if not getattr(conn, "sock", None):  # AppEngine might not have  `.sock`
+            conn.connect()
+
+        if not conn.is_verified:
+            warnings.warn(
+                (
+                    "Unverified HTTPS request is being made to host '%s'. "
+                    "Adding certificate verification is strongly advised. See: "
+                    "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                    "#ssl-warnings" % conn.host
+                ),
+                InsecureRequestWarning,
+            )
+
+        if getattr(conn, "proxy_is_verified", None) is False:
+            warnings.warn(
+                (
+                    "Unverified HTTPS connection done to an HTTPS proxy. "
+                    "Adding certificate verification is strongly advised. See: "
+                    "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                    "#ssl-warnings"
+                ),
+                InsecureRequestWarning,
+            )
+
+
+def connection_from_url(url, **kw):
+    """
+    Given a url, return an :class:`.ConnectionPool` instance of its host.
+
+    This is a shortcut for not having to parse out the scheme, host, and port
+    of the url before creating an :class:`.ConnectionPool` instance.
+
+    :param url:
+        Absolute URL string that must include the scheme. Port is optional.
+
+    :param \\**kw:
+        Passes additional parameters to the constructor of the appropriate
+        :class:`.ConnectionPool`. Useful for specifying things like
+        timeout, maxsize, headers, etc.
+
+    Example::
+
+        >>> conn = connection_from_url('http://google.com/')
+        >>> r = conn.request('GET', '/')
+    """
+    scheme, host, port = get_host(url)
+    port = port or port_by_scheme.get(scheme, 80)
+    if scheme == "https":
+        return HTTPSConnectionPool(host, port=port, **kw)
+    else:
+        return HTTPConnectionPool(host, port=port, **kw)
+
+
+def _normalize_host(host, scheme):
+    """
+    Normalize hosts for comparisons and use with sockets.
+    """
+
+    host = normalize_host(host, scheme)
+
+    # httplib doesn't like it when we include brackets in IPv6 addresses
+    # Specifically, if we include brackets but also pass the port then
+    # httplib crazily doubles up the square brackets on the Host header.
+    # Instead, we need to make sure we never pass ``None`` as the port.
+    # However, for backward compatibility reasons we can't actually
+    # *assert* that.  See http://bugs.python.org/issue28539
+    if host.startswith("[") and host.endswith("]"):
+        host = host[1:-1]
+    return host
+
+
+def _close_pool_connections(pool):
+    """Drains a queue of connections and closes each one."""
+    try:
+        while True:
+            conn = pool.get(block=False)
+            if conn:
+                conn.close()
+    except queue.Empty:
+        pass  # Done.
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/_appengine_environ.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/_appengine_environ.py
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/_appengine_environ.py
@@ -0,0 +1,36 @@
+"""
+This module provides means to detect the App Engine environment.
+"""
+
+import os
+
+
+def is_appengine():
+    return is_local_appengine() or is_prod_appengine()
+
+
+def is_appengine_sandbox():
+    """Reports if the app is running in the first generation sandbox.
+
+    The second generation runtimes are technically still in a sandbox, but it
+    is much less restrictive, so generally you shouldn't need to check for it.
+    see https://cloud.google.com/appengine/docs/standard/runtimes
+    """
+    return is_appengine() and os.environ["APPENGINE_RUNTIME"] == "python27"
+
+
+def is_local_appengine():
+    return "APPENGINE_RUNTIME" in os.environ and os.environ.get(
+        "SERVER_SOFTWARE", ""
+    ).startswith("Development/")
+
+
+def is_prod_appengine():
+    return "APPENGINE_RUNTIME" in os.environ and os.environ.get(
+        "SERVER_SOFTWARE", ""
+    ).startswith("Google App Engine/")
+
+
+def is_prod_appengine_mvms():
+    """Deprecated."""
+    return False
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+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/_securetransport/bindings.py
@@ -0,0 +1,519 @@
+"""
+This module uses ctypes to bind a whole bunch of functions and constants from
+SecureTransport. The goal here is to provide the low-level API to
+SecureTransport. These are essentially the C-level functions and constants, and
+they're pretty gross to work with.
+
+This code is a bastardised version of the code found in Will Bond's oscrypto
+library. An enormous debt is owed to him for blazing this trail for us. For
+that reason, this code should be considered to be covered both by urllib3's
+license and by oscrypto's:
+
+    Copyright (c) 2015-2016 Will Bond <will@wbond.net>
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+"""
+from __future__ import absolute_import
+
+import platform
+from ctypes import (
+    CDLL,
+    CFUNCTYPE,
+    POINTER,
+    c_bool,
+    c_byte,
+    c_char_p,
+    c_int32,
+    c_long,
+    c_size_t,
+    c_uint32,
+    c_ulong,
+    c_void_p,
+)
+from ctypes.util import find_library
+
+from ...packages.six import raise_from
+
+if platform.system() != "Darwin":
+    raise ImportError("Only macOS is supported")
+
+version = platform.mac_ver()[0]
+version_info = tuple(map(int, version.split(".")))
+if version_info < (10, 8):
+    raise OSError(
+        "Only OS X 10.8 and newer are supported, not %s.%s"
+        % (version_info[0], version_info[1])
+    )
+
+
+def load_cdll(name, macos10_16_path):
+    """Loads a CDLL by name, falling back to known path on 10.16+"""
+    try:
+        # Big Sur is technically 11 but we use 10.16 due to the Big Sur
+        # beta being labeled as 10.16.
+        if version_info >= (10, 16):
+            path = macos10_16_path
+        else:
+            path = find_library(name)
+        if not path:
+            raise OSError  # Caught and reraised as 'ImportError'
+        return CDLL(path, use_errno=True)
+    except OSError:
+        raise_from(ImportError("The library %s failed to load" % name), None)
+
+
+Security = load_cdll(
+    "Security", "/System/Library/Frameworks/Security.framework/Security"
+)
+CoreFoundation = load_cdll(
+    "CoreFoundation",
+    "/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation",
+)
+
+
+Boolean = c_bool
+CFIndex = c_long
+CFStringEncoding = c_uint32
+CFData = c_void_p
+CFString = c_void_p
+CFArray = c_void_p
+CFMutableArray = c_void_p
+CFDictionary = c_void_p
+CFError = c_void_p
+CFType = c_void_p
+CFTypeID = c_ulong
+
+CFTypeRef = POINTER(CFType)
+CFAllocatorRef = c_void_p
+
+OSStatus = c_int32
+
+CFDataRef = POINTER(CFData)
+CFStringRef = POINTER(CFString)
+CFArrayRef = POINTER(CFArray)
+CFMutableArrayRef = POINTER(CFMutableArray)
+CFDictionaryRef = POINTER(CFDictionary)
+CFArrayCallBacks = c_void_p
+CFDictionaryKeyCallBacks = c_void_p
+CFDictionaryValueCallBacks = c_void_p
+
+SecCertificateRef = POINTER(c_void_p)
+SecExternalFormat = c_uint32
+SecExternalItemType = c_uint32
+SecIdentityRef = POINTER(c_void_p)
+SecItemImportExportFlags = c_uint32
+SecItemImportExportKeyParameters = c_void_p
+SecKeychainRef = POINTER(c_void_p)
+SSLProtocol = c_uint32
+SSLCipherSuite = c_uint32
+SSLContextRef = POINTER(c_void_p)
+SecTrustRef = POINTER(c_void_p)
+SSLConnectionRef = c_uint32
+SecTrustResultType = c_uint32
+SecTrustOptionFlags = c_uint32
+SSLProtocolSide = c_uint32
+SSLConnectionType = c_uint32
+SSLSessionOption = c_uint32
+
+
+try:
+    Security.SecItemImport.argtypes = [
+        CFDataRef,
+        CFStringRef,
+        POINTER(SecExternalFormat),
+        POINTER(SecExternalItemType),
+        SecItemImportExportFlags,
+        POINTER(SecItemImportExportKeyParameters),
+        SecKeychainRef,
+        POINTER(CFArrayRef),
+    ]
+    Security.SecItemImport.restype = OSStatus
+
+    Security.SecCertificateGetTypeID.argtypes = []
+    Security.SecCertificateGetTypeID.restype = CFTypeID
+
+    Security.SecIdentityGetTypeID.argtypes = []
+    Security.SecIdentityGetTypeID.restype = CFTypeID
+
+    Security.SecKeyGetTypeID.argtypes = []
+    Security.SecKeyGetTypeID.restype = CFTypeID
+
+    Security.SecCertificateCreateWithData.argtypes = [CFAllocatorRef, CFDataRef]
+    Security.SecCertificateCreateWithData.restype = SecCertificateRef
+
+    Security.SecCertificateCopyData.argtypes = [SecCertificateRef]
+    Security.SecCertificateCopyData.restype = CFDataRef
+
+    Security.SecCopyErrorMessageString.argtypes = [OSStatus, c_void_p]
+    Security.SecCopyErrorMessageString.restype = CFStringRef
+
+    Security.SecIdentityCreateWithCertificate.argtypes = [
+        CFTypeRef,
+        SecCertificateRef,
+        POINTER(SecIdentityRef),
+    ]
+    Security.SecIdentityCreateWithCertificate.restype = OSStatus
+
+    Security.SecKeychainCreate.argtypes = [
+        c_char_p,
+        c_uint32,
+        c_void_p,
+        Boolean,
+        c_void_p,
+        POINTER(SecKeychainRef),
+    ]
+    Security.SecKeychainCreate.restype = OSStatus
+
+    Security.SecKeychainDelete.argtypes = [SecKeychainRef]
+    Security.SecKeychainDelete.restype = OSStatus
+
+    Security.SecPKCS12Import.argtypes = [
+        CFDataRef,
+        CFDictionaryRef,
+        POINTER(CFArrayRef),
+    ]
+    Security.SecPKCS12Import.restype = OSStatus
+
+    SSLReadFunc = CFUNCTYPE(OSStatus, SSLConnectionRef, c_void_p, POINTER(c_size_t))
+    SSLWriteFunc = CFUNCTYPE(
+        OSStatus, SSLConnectionRef, POINTER(c_byte), POINTER(c_size_t)
+    )
+
+    Security.SSLSetIOFuncs.argtypes = [SSLContextRef, SSLReadFunc, SSLWriteFunc]
+    Security.SSLSetIOFuncs.restype = OSStatus
+
+    Security.SSLSetPeerID.argtypes = [SSLContextRef, c_char_p, c_size_t]
+    Security.SSLSetPeerID.restype = OSStatus
+
+    Security.SSLSetCertificate.argtypes = [SSLContextRef, CFArrayRef]
+    Security.SSLSetCertificate.restype = OSStatus
+
+    Security.SSLSetCertificateAuthorities.argtypes = [SSLContextRef, CFTypeRef, Boolean]
+    Security.SSLSetCertificateAuthorities.restype = OSStatus
+
+    Security.SSLSetConnection.argtypes = [SSLContextRef, SSLConnectionRef]
+    Security.SSLSetConnection.restype = OSStatus
+
+    Security.SSLSetPeerDomainName.argtypes = [SSLContextRef, c_char_p, c_size_t]
+    Security.SSLSetPeerDomainName.restype = OSStatus
+
+    Security.SSLHandshake.argtypes = [SSLContextRef]
+    Security.SSLHandshake.restype = OSStatus
+
+    Security.SSLRead.argtypes = [SSLContextRef, c_char_p, c_size_t, POINTER(c_size_t)]
+    Security.SSLRead.restype = OSStatus
+
+    Security.SSLWrite.argtypes = [SSLContextRef, c_char_p, c_size_t, POINTER(c_size_t)]
+    Security.SSLWrite.restype = OSStatus
+
+    Security.SSLClose.argtypes = [SSLContextRef]
+    Security.SSLClose.restype = OSStatus
+
+    Security.SSLGetNumberSupportedCiphers.argtypes = [SSLContextRef, POINTER(c_size_t)]
+    Security.SSLGetNumberSupportedCiphers.restype = OSStatus
+
+    Security.SSLGetSupportedCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        POINTER(c_size_t),
+    ]
+    Security.SSLGetSupportedCiphers.restype = OSStatus
+
+    Security.SSLSetEnabledCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        c_size_t,
+    ]
+    Security.SSLSetEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetNumberEnabledCiphers.argtype = [SSLContextRef, POINTER(c_size_t)]
+    Security.SSLGetNumberEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetEnabledCiphers.argtypes = [
+        SSLContextRef,
+        POINTER(SSLCipherSuite),
+        POINTER(c_size_t),
+    ]
+    Security.SSLGetEnabledCiphers.restype = OSStatus
+
+    Security.SSLGetNegotiatedCipher.argtypes = [SSLContextRef, POINTER(SSLCipherSuite)]
+    Security.SSLGetNegotiatedCipher.restype = OSStatus
+
+    Security.SSLGetNegotiatedProtocolVersion.argtypes = [
+        SSLContextRef,
+        POINTER(SSLProtocol),
+    ]
+    Security.SSLGetNegotiatedProtocolVersion.restype = OSStatus
+
+    Security.SSLCopyPeerTrust.argtypes = [SSLContextRef, POINTER(SecTrustRef)]
+    Security.SSLCopyPeerTrust.restype = OSStatus
+
+    Security.SecTrustSetAnchorCertificates.argtypes = [SecTrustRef, CFArrayRef]
+    Security.SecTrustSetAnchorCertificates.restype = OSStatus
+
+    Security.SecTrustSetAnchorCertificatesOnly.argstypes = [SecTrustRef, Boolean]
+    Security.SecTrustSetAnchorCertificatesOnly.restype = OSStatus
+
+    Security.SecTrustEvaluate.argtypes = [SecTrustRef, POINTER(SecTrustResultType)]
+    Security.SecTrustEvaluate.restype = OSStatus
+
+    Security.SecTrustGetCertificateCount.argtypes = [SecTrustRef]
+    Security.SecTrustGetCertificateCount.restype = CFIndex
+
+    Security.SecTrustGetCertificateAtIndex.argtypes = [SecTrustRef, CFIndex]
+    Security.SecTrustGetCertificateAtIndex.restype = SecCertificateRef
+
+    Security.SSLCreateContext.argtypes = [
+        CFAllocatorRef,
+        SSLProtocolSide,
+        SSLConnectionType,
+    ]
+    Security.SSLCreateContext.restype = SSLContextRef
+
+    Security.SSLSetSessionOption.argtypes = [SSLContextRef, SSLSessionOption, Boolean]
+    Security.SSLSetSessionOption.restype = OSStatus
+
+    Security.SSLSetProtocolVersionMin.argtypes = [SSLContextRef, SSLProtocol]
+    Security.SSLSetProtocolVersionMin.restype = OSStatus
+
+    Security.SSLSetProtocolVersionMax.argtypes = [SSLContextRef, SSLProtocol]
+    Security.SSLSetProtocolVersionMax.restype = OSStatus
+
+    try:
+        Security.SSLSetALPNProtocols.argtypes = [SSLContextRef, CFArrayRef]
+        Security.SSLSetALPNProtocols.restype = OSStatus
+    except AttributeError:
+        # Supported only in 10.12+
+        pass
+
+    Security.SecCopyErrorMessageString.argtypes = [OSStatus, c_void_p]
+    Security.SecCopyErrorMessageString.restype = CFStringRef
+
+    Security.SSLReadFunc = SSLReadFunc
+    Security.SSLWriteFunc = SSLWriteFunc
+    Security.SSLContextRef = SSLContextRef
+    Security.SSLProtocol = SSLProtocol
+    Security.SSLCipherSuite = SSLCipherSuite
+    Security.SecIdentityRef = SecIdentityRef
+    Security.SecKeychainRef = SecKeychainRef
+    Security.SecTrustRef = SecTrustRef
+    Security.SecTrustResultType = SecTrustResultType
+    Security.SecExternalFormat = SecExternalFormat
+    Security.OSStatus = OSStatus
+
+    Security.kSecImportExportPassphrase = CFStringRef.in_dll(
+        Security, "kSecImportExportPassphrase"
+    )
+    Security.kSecImportItemIdentity = CFStringRef.in_dll(
+        Security, "kSecImportItemIdentity"
+    )
+
+    # CoreFoundation time!
+    CoreFoundation.CFRetain.argtypes = [CFTypeRef]
+    CoreFoundation.CFRetain.restype = CFTypeRef
+
+    CoreFoundation.CFRelease.argtypes = [CFTypeRef]
+    CoreFoundation.CFRelease.restype = None
+
+    CoreFoundation.CFGetTypeID.argtypes = [CFTypeRef]
+    CoreFoundation.CFGetTypeID.restype = CFTypeID
+
+    CoreFoundation.CFStringCreateWithCString.argtypes = [
+        CFAllocatorRef,
+        c_char_p,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringCreateWithCString.restype = CFStringRef
+
+    CoreFoundation.CFStringGetCStringPtr.argtypes = [CFStringRef, CFStringEncoding]
+    CoreFoundation.CFStringGetCStringPtr.restype = c_char_p
+
+    CoreFoundation.CFStringGetCString.argtypes = [
+        CFStringRef,
+        c_char_p,
+        CFIndex,
+        CFStringEncoding,
+    ]
+    CoreFoundation.CFStringGetCString.restype = c_bool
+
+    CoreFoundation.CFDataCreate.argtypes = [CFAllocatorRef, c_char_p, CFIndex]
+    CoreFoundation.CFDataCreate.restype = CFDataRef
+
+    CoreFoundation.CFDataGetLength.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetLength.restype = CFIndex
+
+    CoreFoundation.CFDataGetBytePtr.argtypes = [CFDataRef]
+    CoreFoundation.CFDataGetBytePtr.restype = c_void_p
+
+    CoreFoundation.CFDictionaryCreate.argtypes = [
+        CFAllocatorRef,
+        POINTER(CFTypeRef),
+        POINTER(CFTypeRef),
+        CFIndex,
+        CFDictionaryKeyCallBacks,
+        CFDictionaryValueCallBacks,
+    ]
+    CoreFoundation.CFDictionaryCreate.restype = CFDictionaryRef
+
+    CoreFoundation.CFDictionaryGetValue.argtypes = [CFDictionaryRef, CFTypeRef]
+    CoreFoundation.CFDictionaryGetValue.restype = CFTypeRef
+
+    CoreFoundation.CFArrayCreate.argtypes = [
+        CFAllocatorRef,
+        POINTER(CFTypeRef),
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreate.restype = CFArrayRef
+
+    CoreFoundation.CFArrayCreateMutable.argtypes = [
+        CFAllocatorRef,
+        CFIndex,
+        CFArrayCallBacks,
+    ]
+    CoreFoundation.CFArrayCreateMutable.restype = CFMutableArrayRef
+
+    CoreFoundation.CFArrayAppendValue.argtypes = [CFMutableArrayRef, c_void_p]
+    CoreFoundation.CFArrayAppendValue.restype = None
+
+    CoreFoundation.CFArrayGetCount.argtypes = [CFArrayRef]
+    CoreFoundation.CFArrayGetCount.restype = CFIndex
+
+    CoreFoundation.CFArrayGetValueAtIndex.argtypes = [CFArrayRef, CFIndex]
+    CoreFoundation.CFArrayGetValueAtIndex.restype = c_void_p
+
+    CoreFoundation.kCFAllocatorDefault = CFAllocatorRef.in_dll(
+        CoreFoundation, "kCFAllocatorDefault"
+    )
+    CoreFoundation.kCFTypeArrayCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeArrayCallBacks"
+    )
+    CoreFoundation.kCFTypeDictionaryKeyCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeDictionaryKeyCallBacks"
+    )
+    CoreFoundation.kCFTypeDictionaryValueCallBacks = c_void_p.in_dll(
+        CoreFoundation, "kCFTypeDictionaryValueCallBacks"
+    )
+
+    CoreFoundation.CFTypeRef = CFTypeRef
+    CoreFoundation.CFArrayRef = CFArrayRef
+    CoreFoundation.CFStringRef = CFStringRef
+    CoreFoundation.CFDictionaryRef = CFDictionaryRef
+
+except (AttributeError):
+    raise ImportError("Error initializing ctypes")
+
+
+class CFConst(object):
+    """
+    A class object that acts as essentially a namespace for CoreFoundation
+    constants.
+    """
+
+    kCFStringEncodingUTF8 = CFStringEncoding(0x08000100)
+
+
+class SecurityConst(object):
+    """
+    A class object that acts as essentially a namespace for Security constants.
+    """
+
+    kSSLSessionOptionBreakOnServerAuth = 0
+
+    kSSLProtocol2 = 1
+    kSSLProtocol3 = 2
+    kTLSProtocol1 = 4
+    kTLSProtocol11 = 7
+    kTLSProtocol12 = 8
+    # SecureTransport does not support TLS 1.3 even if there's a constant for it
+    kTLSProtocol13 = 10
+    kTLSProtocolMaxSupported = 999
+
+    kSSLClientSide = 1
+    kSSLStreamType = 0
+
+    kSecFormatPEMSequence = 10
+
+    kSecTrustResultInvalid = 0
+    kSecTrustResultProceed = 1
+    # This gap is present on purpose: this was kSecTrustResultConfirm, which
+    # is deprecated.
+    kSecTrustResultDeny = 3
+    kSecTrustResultUnspecified = 4
+    kSecTrustResultRecoverableTrustFailure = 5
+    kSecTrustResultFatalTrustFailure = 6
+    kSecTrustResultOtherError = 7
+
+    errSSLProtocol = -9800
+    errSSLWouldBlock = -9803
+    errSSLClosedGraceful = -9805
+    errSSLClosedNoNotify = -9816
+    errSSLClosedAbort = -9806
+
+    errSSLXCertChainInvalid = -9807
+    errSSLCrypto = -9809
+    errSSLInternal = -9810
+    errSSLCertExpired = -9814
+    errSSLCertNotYetValid = -9815
+    errSSLUnknownRootCert = -9812
+    errSSLNoRootCert = -9813
+    errSSLHostNameMismatch = -9843
+    errSSLPeerHandshakeFail = -9824
+    errSSLPeerUserCancelled = -9839
+    errSSLWeakPeerEphemeralDHKey = -9850
+    errSSLServerAuthCompleted = -9841
+    errSSLRecordOverflow = -9847
+
+    errSecVerifyFailed = -67808
+    errSecNoTrustSettings = -25263
+    errSecItemNotFound = -25300
+    errSecInvalidTrustSettings = -25262
+
+    # Cipher suites. We only pick the ones our default cipher string allows.
+    # Source: https://developer.apple.com/documentation/security/1550981-ssl_cipher_suite_values
+    TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02C
+    TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0xC030
+    TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B
+    TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F
+    TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA9
+    TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xCCA8
+    TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F
+    TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0xC024
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0xC028
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0xC00A
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x006B
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x0039
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0xC009
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x0067
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x0033
+    TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D
+    TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C
+    TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x003D
+    TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x003C
+    TLS_RSA_WITH_AES_256_CBC_SHA = 0x0035
+    TLS_RSA_WITH_AES_128_CBC_SHA = 0x002F
+    TLS_AES_128_GCM_SHA256 = 0x1301
+    TLS_AES_256_GCM_SHA384 = 0x1302
+    TLS_AES_128_CCM_8_SHA256 = 0x1305
+    TLS_AES_128_CCM_SHA256 = 0x1304
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/_securetransport/low_level.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/_securetransport/low_level.py
new file mode 100644
index 00000000..fa0b245d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/_securetransport/low_level.py
@@ -0,0 +1,397 @@
+"""
+Low-level helpers for the SecureTransport bindings.
+
+These are Python functions that are not directly related to the high-level APIs
+but are necessary to get them to work. They include a whole bunch of low-level
+CoreFoundation messing about and memory management. The concerns in this module
+are almost entirely about trying to avoid memory leaks and providing
+appropriate and useful assistance to the higher-level code.
+"""
+import base64
+import ctypes
+import itertools
+import os
+import re
+import ssl
+import struct
+import tempfile
+
+from .bindings import CFConst, CoreFoundation, Security
+
+# This regular expression is used to grab PEM data out of a PEM bundle.
+_PEM_CERTS_RE = re.compile(
+    b"-----BEGIN CERTIFICATE-----\n(.*?)\n-----END CERTIFICATE-----", re.DOTALL
+)
+
+
+def _cf_data_from_bytes(bytestring):
+    """
+    Given a bytestring, create a CFData object from it. This CFData object must
+    be CFReleased by the caller.
+    """
+    return CoreFoundation.CFDataCreate(
+        CoreFoundation.kCFAllocatorDefault, bytestring, len(bytestring)
+    )
+
+
+def _cf_dictionary_from_tuples(tuples):
+    """
+    Given a list of Python tuples, create an associated CFDictionary.
+    """
+    dictionary_size = len(tuples)
+
+    # We need to get the dictionary keys and values out in the same order.
+    keys = (t[0] for t in tuples)
+    values = (t[1] for t in tuples)
+    cf_keys = (CoreFoundation.CFTypeRef * dictionary_size)(*keys)
+    cf_values = (CoreFoundation.CFTypeRef * dictionary_size)(*values)
+
+    return CoreFoundation.CFDictionaryCreate(
+        CoreFoundation.kCFAllocatorDefault,
+        cf_keys,
+        cf_values,
+        dictionary_size,
+        CoreFoundation.kCFTypeDictionaryKeyCallBacks,
+        CoreFoundation.kCFTypeDictionaryValueCallBacks,
+    )
+
+
+def _cfstr(py_bstr):
+    """
+    Given a Python binary data, create a CFString.
+    The string must be CFReleased by the caller.
+    """
+    c_str = ctypes.c_char_p(py_bstr)
+    cf_str = CoreFoundation.CFStringCreateWithCString(
+        CoreFoundation.kCFAllocatorDefault,
+        c_str,
+        CFConst.kCFStringEncodingUTF8,
+    )
+    return cf_str
+
+
+def _create_cfstring_array(lst):
+    """
+    Given a list of Python binary data, create an associated CFMutableArray.
+    The array must be CFReleased by the caller.
+
+    Raises an ssl.SSLError on failure.
+    """
+    cf_arr = None
+    try:
+        cf_arr = CoreFoundation.CFArrayCreateMutable(
+            CoreFoundation.kCFAllocatorDefault,
+            0,
+            ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+        )
+        if not cf_arr:
+            raise MemoryError("Unable to allocate memory!")
+        for item in lst:
+            cf_str = _cfstr(item)
+            if not cf_str:
+                raise MemoryError("Unable to allocate memory!")
+            try:
+                CoreFoundation.CFArrayAppendValue(cf_arr, cf_str)
+            finally:
+                CoreFoundation.CFRelease(cf_str)
+    except BaseException as e:
+        if cf_arr:
+            CoreFoundation.CFRelease(cf_arr)
+        raise ssl.SSLError("Unable to allocate array: %s" % (e,))
+    return cf_arr
+
+
+def _cf_string_to_unicode(value):
+    """
+    Creates a Unicode string from a CFString object. Used entirely for error
+    reporting.
+
+    Yes, it annoys me quite a lot that this function is this complex.
+    """
+    value_as_void_p = ctypes.cast(value, ctypes.POINTER(ctypes.c_void_p))
+
+    string = CoreFoundation.CFStringGetCStringPtr(
+        value_as_void_p, CFConst.kCFStringEncodingUTF8
+    )
+    if string is None:
+        buffer = ctypes.create_string_buffer(1024)
+        result = CoreFoundation.CFStringGetCString(
+            value_as_void_p, buffer, 1024, CFConst.kCFStringEncodingUTF8
+        )
+        if not result:
+            raise OSError("Error copying C string from CFStringRef")
+        string = buffer.value
+    if string is not None:
+        string = string.decode("utf-8")
+    return string
+
+
+def _assert_no_error(error, exception_class=None):
+    """
+    Checks the return code and throws an exception if there is an error to
+    report
+    """
+    if error == 0:
+        return
+
+    cf_error_string = Security.SecCopyErrorMessageString(error, None)
+    output = _cf_string_to_unicode(cf_error_string)
+    CoreFoundation.CFRelease(cf_error_string)
+
+    if output is None or output == u"":
+        output = u"OSStatus %s" % error
+
+    if exception_class is None:
+        exception_class = ssl.SSLError
+
+    raise exception_class(output)
+
+
+def _cert_array_from_pem(pem_bundle):
+    """
+    Given a bundle of certs in PEM format, turns them into a CFArray of certs
+    that can be used to validate a cert chain.
+    """
+    # Normalize the PEM bundle's line endings.
+    pem_bundle = pem_bundle.replace(b"\r\n", b"\n")
+
+    der_certs = [
+        base64.b64decode(match.group(1)) for match in _PEM_CERTS_RE.finditer(pem_bundle)
+    ]
+    if not der_certs:
+        raise ssl.SSLError("No root certificates specified")
+
+    cert_array = CoreFoundation.CFArrayCreateMutable(
+        CoreFoundation.kCFAllocatorDefault,
+        0,
+        ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+    )
+    if not cert_array:
+        raise ssl.SSLError("Unable to allocate memory!")
+
+    try:
+        for der_bytes in der_certs:
+            certdata = _cf_data_from_bytes(der_bytes)
+            if not certdata:
+                raise ssl.SSLError("Unable to allocate memory!")
+            cert = Security.SecCertificateCreateWithData(
+                CoreFoundation.kCFAllocatorDefault, certdata
+            )
+            CoreFoundation.CFRelease(certdata)
+            if not cert:
+                raise ssl.SSLError("Unable to build cert object!")
+
+            CoreFoundation.CFArrayAppendValue(cert_array, cert)
+            CoreFoundation.CFRelease(cert)
+    except Exception:
+        # We need to free the array before the exception bubbles further.
+        # We only want to do that if an error occurs: otherwise, the caller
+        # should free.
+        CoreFoundation.CFRelease(cert_array)
+        raise
+
+    return cert_array
+
+
+def _is_cert(item):
+    """
+    Returns True if a given CFTypeRef is a certificate.
+    """
+    expected = Security.SecCertificateGetTypeID()
+    return CoreFoundation.CFGetTypeID(item) == expected
+
+
+def _is_identity(item):
+    """
+    Returns True if a given CFTypeRef is an identity.
+    """
+    expected = Security.SecIdentityGetTypeID()
+    return CoreFoundation.CFGetTypeID(item) == expected
+
+
+def _temporary_keychain():
+    """
+    This function creates a temporary Mac keychain that we can use to work with
+    credentials. This keychain uses a one-time password and a temporary file to
+    store the data. We expect to have one keychain per socket. The returned
+    SecKeychainRef must be freed by the caller, including calling
+    SecKeychainDelete.
+
+    Returns a tuple of the SecKeychainRef and the path to the temporary
+    directory that contains it.
+    """
+    # Unfortunately, SecKeychainCreate requires a path to a keychain. This
+    # means we cannot use mkstemp to use a generic temporary file. Instead,
+    # we're going to create a temporary directory and a filename to use there.
+    # This filename will be 8 random bytes expanded into base64. We also need
+    # some random bytes to password-protect the keychain we're creating, so we
+    # ask for 40 random bytes.
+    random_bytes = os.urandom(40)
+    filename = base64.b16encode(random_bytes[:8]).decode("utf-8")
+    password = base64.b16encode(random_bytes[8:])  # Must be valid UTF-8
+    tempdirectory = tempfile.mkdtemp()
+
+    keychain_path = os.path.join(tempdirectory, filename).encode("utf-8")
+
+    # We now want to create the keychain itself.
+    keychain = Security.SecKeychainRef()
+    status = Security.SecKeychainCreate(
+        keychain_path, len(password), password, False, None, ctypes.byref(keychain)
+    )
+    _assert_no_error(status)
+
+    # Having created the keychain, we want to pass it off to the caller.
+    return keychain, tempdirectory
+
+
+def _load_items_from_file(keychain, path):
+    """
+    Given a single file, loads all the trust objects from it into arrays and
+    the keychain.
+    Returns a tuple of lists: the first list is a list of identities, the
+    second a list of certs.
+    """
+    certificates = []
+    identities = []
+    result_array = None
+
+    with open(path, "rb") as f:
+        raw_filedata = f.read()
+
+    try:
+        filedata = CoreFoundation.CFDataCreate(
+            CoreFoundation.kCFAllocatorDefault, raw_filedata, len(raw_filedata)
+        )
+        result_array = CoreFoundation.CFArrayRef()
+        result = Security.SecItemImport(
+            filedata,  # cert data
+            None,  # Filename, leaving it out for now
+            None,  # What the type of the file is, we don't care
+            None,  # what's in the file, we don't care
+            0,  # import flags
+            None,  # key params, can include passphrase in the future
+            keychain,  # The keychain to insert into
+            ctypes.byref(result_array),  # Results
+        )
+        _assert_no_error(result)
+
+        # A CFArray is not very useful to us as an intermediary
+        # representation, so we are going to extract the objects we want
+        # and then free the array. We don't need to keep hold of keys: the
+        # keychain already has them!
+        result_count = CoreFoundation.CFArrayGetCount(result_array)
+        for index in range(result_count):
+            item = CoreFoundation.CFArrayGetValueAtIndex(result_array, index)
+            item = ctypes.cast(item, CoreFoundation.CFTypeRef)
+
+            if _is_cert(item):
+                CoreFoundation.CFRetain(item)
+                certificates.append(item)
+            elif _is_identity(item):
+                CoreFoundation.CFRetain(item)
+                identities.append(item)
+    finally:
+        if result_array:
+            CoreFoundation.CFRelease(result_array)
+
+        CoreFoundation.CFRelease(filedata)
+
+    return (identities, certificates)
+
+
+def _load_client_cert_chain(keychain, *paths):
+    """
+    Load certificates and maybe keys from a number of files. Has the end goal
+    of returning a CFArray containing one SecIdentityRef, and then zero or more
+    SecCertificateRef objects, suitable for use as a client certificate trust
+    chain.
+    """
+    # Ok, the strategy.
+    #
+    # This relies on knowing that macOS will not give you a SecIdentityRef
+    # unless you have imported a key into a keychain. This is a somewhat
+    # artificial limitation of macOS (for example, it doesn't necessarily
+    # affect iOS), but there is nothing inside Security.framework that lets you
+    # get a SecIdentityRef without having a key in a keychain.
+    #
+    # So the policy here is we take all the files and iterate them in order.
+    # Each one will use SecItemImport to have one or more objects loaded from
+    # it. We will also point at a keychain that macOS can use to work with the
+    # private key.
+    #
+    # Once we have all the objects, we'll check what we actually have. If we
+    # already have a SecIdentityRef in hand, fab: we'll use that. Otherwise,
+    # we'll take the first certificate (which we assume to be our leaf) and
+    # ask the keychain to give us a SecIdentityRef with that cert's associated
+    # key.
+    #
+    # We'll then return a CFArray containing the trust chain: one
+    # SecIdentityRef and then zero-or-more SecCertificateRef objects. The
+    # responsibility for freeing this CFArray will be with the caller. This
+    # CFArray must remain alive for the entire connection, so in practice it
+    # will be stored with a single SSLSocket, along with the reference to the
+    # keychain.
+    certificates = []
+    identities = []
+
+    # Filter out bad paths.
+    paths = (path for path in paths if path)
+
+    try:
+        for file_path in paths:
+            new_identities, new_certs = _load_items_from_file(keychain, file_path)
+            identities.extend(new_identities)
+            certificates.extend(new_certs)
+
+        # Ok, we have everything. The question is: do we have an identity? If
+        # not, we want to grab one from the first cert we have.
+        if not identities:
+            new_identity = Security.SecIdentityRef()
+            status = Security.SecIdentityCreateWithCertificate(
+                keychain, certificates[0], ctypes.byref(new_identity)
+            )
+            _assert_no_error(status)
+            identities.append(new_identity)
+
+            # We now want to release the original certificate, as we no longer
+            # need it.
+            CoreFoundation.CFRelease(certificates.pop(0))
+
+        # We now need to build a new CFArray that holds the trust chain.
+        trust_chain = CoreFoundation.CFArrayCreateMutable(
+            CoreFoundation.kCFAllocatorDefault,
+            0,
+            ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks),
+        )
+        for item in itertools.chain(identities, certificates):
+            # ArrayAppendValue does a CFRetain on the item. That's fine,
+            # because the finally block will release our other refs to them.
+            CoreFoundation.CFArrayAppendValue(trust_chain, item)
+
+        return trust_chain
+    finally:
+        for obj in itertools.chain(identities, certificates):
+            CoreFoundation.CFRelease(obj)
+
+
+TLS_PROTOCOL_VERSIONS = {
+    "SSLv2": (0, 2),
+    "SSLv3": (3, 0),
+    "TLSv1": (3, 1),
+    "TLSv1.1": (3, 2),
+    "TLSv1.2": (3, 3),
+}
+
+
+def _build_tls_unknown_ca_alert(version):
+    """
+    Builds a TLS alert record for an unknown CA.
+    """
+    ver_maj, ver_min = TLS_PROTOCOL_VERSIONS[version]
+    severity_fatal = 0x02
+    description_unknown_ca = 0x30
+    msg = struct.pack(">BB", severity_fatal, description_unknown_ca)
+    msg_len = len(msg)
+    record_type_alert = 0x15
+    record = struct.pack(">BBBH", record_type_alert, ver_maj, ver_min, msg_len) + msg
+    return record
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/appengine.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/appengine.py
new file mode 100644
index 00000000..1717ee22
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/appengine.py
@@ -0,0 +1,314 @@
+"""
+This module provides a pool manager that uses Google App Engine's
+`URLFetch Service <https://cloud.google.com/appengine/docs/python/urlfetch>`_.
+
+Example usage::
+
+    from pip._vendor.urllib3 import PoolManager
+    from pip._vendor.urllib3.contrib.appengine import AppEngineManager, is_appengine_sandbox
+
+    if is_appengine_sandbox():
+        # AppEngineManager uses AppEngine's URLFetch API behind the scenes
+        http = AppEngineManager()
+    else:
+        # PoolManager uses a socket-level API behind the scenes
+        http = PoolManager()
+
+    r = http.request('GET', 'https://google.com/')
+
+There are `limitations <https://cloud.google.com/appengine/docs/python/\
+urlfetch/#Python_Quotas_and_limits>`_ to the URLFetch service and it may not be
+the best choice for your application. There are three options for using
+urllib3 on Google App Engine:
+
+1. You can use :class:`AppEngineManager` with URLFetch. URLFetch is
+   cost-effective in many circumstances as long as your usage is within the
+   limitations.
+2. You can use a normal :class:`~urllib3.PoolManager` by enabling sockets.
+   Sockets also have `limitations and restrictions
+   <https://cloud.google.com/appengine/docs/python/sockets/\
+   #limitations-and-restrictions>`_ and have a lower free quota than URLFetch.
+   To use sockets, be sure to specify the following in your ``app.yaml``::
+
+        env_variables:
+            GAE_USE_SOCKETS_HTTPLIB : 'true'
+
+3. If you are using `App Engine Flexible
+<https://cloud.google.com/appengine/docs/flexible/>`_, you can use the standard
+:class:`PoolManager` without any configuration or special environment variables.
+"""
+
+from __future__ import absolute_import
+
+import io
+import logging
+import warnings
+
+from ..exceptions import (
+    HTTPError,
+    HTTPWarning,
+    MaxRetryError,
+    ProtocolError,
+    SSLError,
+    TimeoutError,
+)
+from ..packages.six.moves.urllib.parse import urljoin
+from ..request import RequestMethods
+from ..response import HTTPResponse
+from ..util.retry import Retry
+from ..util.timeout import Timeout
+from . import _appengine_environ
+
+try:
+    from google.appengine.api import urlfetch
+except ImportError:
+    urlfetch = None
+
+
+log = logging.getLogger(__name__)
+
+
+class AppEnginePlatformWarning(HTTPWarning):
+    pass
+
+
+class AppEnginePlatformError(HTTPError):
+    pass
+
+
+class AppEngineManager(RequestMethods):
+    """
+    Connection manager for Google App Engine sandbox applications.
+
+    This manager uses the URLFetch service directly instead of using the
+    emulated httplib, and is subject to URLFetch limitations as described in
+    the App Engine documentation `here
+    <https://cloud.google.com/appengine/docs/python/urlfetch>`_.
+
+    Notably it will raise an :class:`AppEnginePlatformError` if:
+        * URLFetch is not available.
+        * If you attempt to use this on App Engine Flexible, as full socket
+          support is available.
+        * If a request size is more than 10 megabytes.
+        * If a response size is more than 32 megabytes.
+        * If you use an unsupported request method such as OPTIONS.
+
+    Beyond those cases, it will raise normal urllib3 errors.
+    """
+
+    def __init__(
+        self,
+        headers=None,
+        retries=None,
+        validate_certificate=True,
+        urlfetch_retries=True,
+    ):
+        if not urlfetch:
+            raise AppEnginePlatformError(
+                "URLFetch is not available in this environment."
+            )
+
+        warnings.warn(
+            "urllib3 is using URLFetch on Google App Engine sandbox instead "
+            "of sockets. To use sockets directly instead of URLFetch see "
+            "https://urllib3.readthedocs.io/en/1.26.x/reference/urllib3.contrib.html.",
+            AppEnginePlatformWarning,
+        )
+
+        RequestMethods.__init__(self, headers)
+        self.validate_certificate = validate_certificate
+        self.urlfetch_retries = urlfetch_retries
+
+        self.retries = retries or Retry.DEFAULT
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=None,
+        redirect=True,
+        timeout=Timeout.DEFAULT_TIMEOUT,
+        **response_kw
+    ):
+
+        retries = self._get_retries(retries, redirect)
+
+        try:
+            follow_redirects = redirect and retries.redirect != 0 and retries.total
+            response = urlfetch.fetch(
+                url,
+                payload=body,
+                method=method,
+                headers=headers or {},
+                allow_truncated=False,
+                follow_redirects=self.urlfetch_retries and follow_redirects,
+                deadline=self._get_absolute_timeout(timeout),
+                validate_certificate=self.validate_certificate,
+            )
+        except urlfetch.DeadlineExceededError as e:
+            raise TimeoutError(self, e)
+
+        except urlfetch.InvalidURLError as e:
+            if "too large" in str(e):
+                raise AppEnginePlatformError(
+                    "URLFetch request too large, URLFetch only "
+                    "supports requests up to 10mb in size.",
+                    e,
+                )
+            raise ProtocolError(e)
+
+        except urlfetch.DownloadError as e:
+            if "Too many redirects" in str(e):
+                raise MaxRetryError(self, url, reason=e)
+            raise ProtocolError(e)
+
+        except urlfetch.ResponseTooLargeError as e:
+            raise AppEnginePlatformError(
+                "URLFetch response too large, URLFetch only supports"
+                "responses up to 32mb in size.",
+                e,
+            )
+
+        except urlfetch.SSLCertificateError as e:
+            raise SSLError(e)
+
+        except urlfetch.InvalidMethodError as e:
+            raise AppEnginePlatformError(
+                "URLFetch does not support method: %s" % method, e
+            )
+
+        http_response = self._urlfetch_response_to_http_response(
+            response, retries=retries, **response_kw
+        )
+
+        # Handle redirect?
+        redirect_location = redirect and http_response.get_redirect_location()
+        if redirect_location:
+            # Check for redirect response
+            if self.urlfetch_retries and retries.raise_on_redirect:
+                raise MaxRetryError(self, url, "too many redirects")
+            else:
+                if http_response.status == 303:
+                    method = "GET"
+
+                try:
+                    retries = retries.increment(
+                        method, url, response=http_response, _pool=self
+                    )
+                except MaxRetryError:
+                    if retries.raise_on_redirect:
+                        raise MaxRetryError(self, url, "too many redirects")
+                    return http_response
+
+                retries.sleep_for_retry(http_response)
+                log.debug("Redirecting %s -> %s", url, redirect_location)
+                redirect_url = urljoin(url, redirect_location)
+                return self.urlopen(
+                    method,
+                    redirect_url,
+                    body,
+                    headers,
+                    retries=retries,
+                    redirect=redirect,
+                    timeout=timeout,
+                    **response_kw
+                )
+
+        # Check if we should retry the HTTP response.
+        has_retry_after = bool(http_response.headers.get("Retry-After"))
+        if retries.is_retry(method, http_response.status, has_retry_after):
+            retries = retries.increment(method, url, response=http_response, _pool=self)
+            log.debug("Retry: %s", url)
+            retries.sleep(http_response)
+            return self.urlopen(
+                method,
+                url,
+                body=body,
+                headers=headers,
+                retries=retries,
+                redirect=redirect,
+                timeout=timeout,
+                **response_kw
+            )
+
+        return http_response
+
+    def _urlfetch_response_to_http_response(self, urlfetch_resp, **response_kw):
+
+        if is_prod_appengine():
+            # Production GAE handles deflate encoding automatically, but does
+            # not remove the encoding header.
+            content_encoding = urlfetch_resp.headers.get("content-encoding")
+
+            if content_encoding == "deflate":
+                del urlfetch_resp.headers["content-encoding"]
+
+        transfer_encoding = urlfetch_resp.headers.get("transfer-encoding")
+        # We have a full response's content,
+        # so let's make sure we don't report ourselves as chunked data.
+        if transfer_encoding == "chunked":
+            encodings = transfer_encoding.split(",")
+            encodings.remove("chunked")
+            urlfetch_resp.headers["transfer-encoding"] = ",".join(encodings)
+
+        original_response = HTTPResponse(
+            # In order for decoding to work, we must present the content as
+            # a file-like object.
+            body=io.BytesIO(urlfetch_resp.content),
+            msg=urlfetch_resp.header_msg,
+            headers=urlfetch_resp.headers,
+            status=urlfetch_resp.status_code,
+            **response_kw
+        )
+
+        return HTTPResponse(
+            body=io.BytesIO(urlfetch_resp.content),
+            headers=urlfetch_resp.headers,
+            status=urlfetch_resp.status_code,
+            original_response=original_response,
+            **response_kw
+        )
+
+    def _get_absolute_timeout(self, timeout):
+        if timeout is Timeout.DEFAULT_TIMEOUT:
+            return None  # Defer to URLFetch's default.
+        if isinstance(timeout, Timeout):
+            if timeout._read is not None or timeout._connect is not None:
+                warnings.warn(
+                    "URLFetch does not support granular timeout settings, "
+                    "reverting to total or default URLFetch timeout.",
+                    AppEnginePlatformWarning,
+                )
+            return timeout.total
+        return timeout
+
+    def _get_retries(self, retries, redirect):
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
+
+        if retries.connect or retries.read or retries.redirect:
+            warnings.warn(
+                "URLFetch only supports total retries and does not "
+                "recognize connect, read, or redirect retry parameters.",
+                AppEnginePlatformWarning,
+            )
+
+        return retries
+
+
+# Alias methods from _appengine_environ to maintain public API interface.
+
+is_appengine = _appengine_environ.is_appengine
+is_appengine_sandbox = _appengine_environ.is_appengine_sandbox
+is_local_appengine = _appengine_environ.is_local_appengine
+is_prod_appengine = _appengine_environ.is_prod_appengine
+is_prod_appengine_mvms = _appengine_environ.is_prod_appengine_mvms
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/ntlmpool.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/ntlmpool.py
new file mode 100644
index 00000000..47166575
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/ntlmpool.py
@@ -0,0 +1,130 @@
+"""
+NTLM authenticating pool, contributed by erikcederstran
+
+Issue #10, see: http://code.google.com/p/urllib3/issues/detail?id=10
+"""
+from __future__ import absolute_import
+
+import warnings
+from logging import getLogger
+
+from ntlm import ntlm
+
+from .. import HTTPSConnectionPool
+from ..packages.six.moves.http_client import HTTPSConnection
+
+warnings.warn(
+    "The 'urllib3.contrib.ntlmpool' module is deprecated and will be removed "
+    "in urllib3 v2.0 release, urllib3 is not able to support it properly due "
+    "to reasons listed in issue: https://github.com/urllib3/urllib3/issues/2282. "
+    "If you are a user of this module please comment in the mentioned issue.",
+    DeprecationWarning,
+)
+
+log = getLogger(__name__)
+
+
+class NTLMConnectionPool(HTTPSConnectionPool):
+    """
+    Implements an NTLM authentication version of an urllib3 connection pool
+    """
+
+    scheme = "https"
+
+    def __init__(self, user, pw, authurl, *args, **kwargs):
+        """
+        authurl is a random URL on the server that is protected by NTLM.
+        user is the Windows user, probably in the DOMAIN\\username format.
+        pw is the password for the user.
+        """
+        super(NTLMConnectionPool, self).__init__(*args, **kwargs)
+        self.authurl = authurl
+        self.rawuser = user
+        user_parts = user.split("\\", 1)
+        self.domain = user_parts[0].upper()
+        self.user = user_parts[1]
+        self.pw = pw
+
+    def _new_conn(self):
+        # Performs the NTLM handshake that secures the connection. The socket
+        # must be kept open while requests are performed.
+        self.num_connections += 1
+        log.debug(
+            "Starting NTLM HTTPS connection no. %d: https://%s%s",
+            self.num_connections,
+            self.host,
+            self.authurl,
+        )
+
+        headers = {"Connection": "Keep-Alive"}
+        req_header = "Authorization"
+        resp_header = "www-authenticate"
+
+        conn = HTTPSConnection(host=self.host, port=self.port)
+
+        # Send negotiation message
+        headers[req_header] = "NTLM %s" % ntlm.create_NTLM_NEGOTIATE_MESSAGE(
+            self.rawuser
+        )
+        log.debug("Request headers: %s", headers)
+        conn.request("GET", self.authurl, None, headers)
+        res = conn.getresponse()
+        reshdr = dict(res.headers)
+        log.debug("Response status: %s %s", res.status, res.reason)
+        log.debug("Response headers: %s", reshdr)
+        log.debug("Response data: %s [...]", res.read(100))
+
+        # Remove the reference to the socket, so that it can not be closed by
+        # the response object (we want to keep the socket open)
+        res.fp = None
+
+        # Server should respond with a challenge message
+        auth_header_values = reshdr[resp_header].split(", ")
+        auth_header_value = None
+        for s in auth_header_values:
+            if s[:5] == "NTLM ":
+                auth_header_value = s[5:]
+        if auth_header_value is None:
+            raise Exception(
+                "Unexpected %s response header: %s" % (resp_header, reshdr[resp_header])
+            )
+
+        # Send authentication message
+        ServerChallenge, NegotiateFlags = ntlm.parse_NTLM_CHALLENGE_MESSAGE(
+            auth_header_value
+        )
+        auth_msg = ntlm.create_NTLM_AUTHENTICATE_MESSAGE(
+            ServerChallenge, self.user, self.domain, self.pw, NegotiateFlags
+        )
+        headers[req_header] = "NTLM %s" % auth_msg
+        log.debug("Request headers: %s", headers)
+        conn.request("GET", self.authurl, None, headers)
+        res = conn.getresponse()
+        log.debug("Response status: %s %s", res.status, res.reason)
+        log.debug("Response headers: %s", dict(res.headers))
+        log.debug("Response data: %s [...]", res.read()[:100])
+        if res.status != 200:
+            if res.status == 401:
+                raise Exception("Server rejected request: wrong username or password")
+            raise Exception("Wrong server response: %s %s" % (res.status, res.reason))
+
+        res.fp = None
+        log.debug("Connection established")
+        return conn
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        retries=3,
+        redirect=True,
+        assert_same_host=True,
+    ):
+        if headers is None:
+            headers = {}
+        headers["Connection"] = "Keep-Alive"
+        return super(NTLMConnectionPool, self).urlopen(
+            method, url, body, headers, retries, redirect, assert_same_host
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/pyopenssl.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/pyopenssl.py
new file mode 100644
index 00000000..19e4aa97
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/pyopenssl.py
@@ -0,0 +1,518 @@
+"""
+TLS with SNI_-support for Python 2. Follow these instructions if you would
+like to verify TLS certificates in Python 2. Note, the default libraries do
+*not* do certificate checking; you need to do additional work to validate
+certificates yourself.
+
+This needs the following packages installed:
+
+* `pyOpenSSL`_ (tested with 16.0.0)
+* `cryptography`_ (minimum 1.3.4, from pyopenssl)
+* `idna`_ (minimum 2.0, from cryptography)
+
+However, pyopenssl depends on cryptography, which depends on idna, so while we
+use all three directly here we end up having relatively few packages required.
+
+You can install them with the following command:
+
+.. code-block:: bash
+
+    $ python -m pip install pyopenssl cryptography idna
+
+To activate certificate checking, call
+:func:`~urllib3.contrib.pyopenssl.inject_into_urllib3` from your Python code
+before you begin making HTTP requests. This can be done in a ``sitecustomize``
+module, or at any other time before your application begins using ``urllib3``,
+like this:
+
+.. code-block:: python
+
+    try:
+        import pip._vendor.urllib3.contrib.pyopenssl as pyopenssl
+        pyopenssl.inject_into_urllib3()
+    except ImportError:
+        pass
+
+Now you can use :mod:`urllib3` as you normally would, and it will support SNI
+when the required modules are installed.
+
+Activating this module also has the positive side effect of disabling SSL/TLS
+compression in Python 2 (see `CRIME attack`_).
+
+.. _sni: https://en.wikipedia.org/wiki/Server_Name_Indication
+.. _crime attack: https://en.wikipedia.org/wiki/CRIME_(security_exploit)
+.. _pyopenssl: https://www.pyopenssl.org
+.. _cryptography: https://cryptography.io
+.. _idna: https://github.com/kjd/idna
+"""
+from __future__ import absolute_import
+
+import OpenSSL.crypto
+import OpenSSL.SSL
+from cryptography import x509
+from cryptography.hazmat.backends.openssl import backend as openssl_backend
+
+try:
+    from cryptography.x509 import UnsupportedExtension
+except ImportError:
+    # UnsupportedExtension is gone in cryptography >= 2.1.0
+    class UnsupportedExtension(Exception):
+        pass
+
+
+from io import BytesIO
+from socket import error as SocketError
+from socket import timeout
+
+try:  # Platform-specific: Python 2
+    from socket import _fileobject
+except ImportError:  # Platform-specific: Python 3
+    _fileobject = None
+    from ..packages.backports.makefile import backport_makefile
+
+import logging
+import ssl
+import sys
+import warnings
+
+from .. import util
+from ..packages import six
+from ..util.ssl_ import PROTOCOL_TLS_CLIENT
+
+warnings.warn(
+    "'urllib3.contrib.pyopenssl' module is deprecated and will be removed "
+    "in a future release of urllib3 2.x. Read more in this issue: "
+    "https://github.com/urllib3/urllib3/issues/2680",
+    category=DeprecationWarning,
+    stacklevel=2,
+)
+
+__all__ = ["inject_into_urllib3", "extract_from_urllib3"]
+
+# SNI always works.
+HAS_SNI = True
+
+# Map from urllib3 to PyOpenSSL compatible parameter-values.
+_openssl_versions = {
+    util.PROTOCOL_TLS: OpenSSL.SSL.SSLv23_METHOD,
+    PROTOCOL_TLS_CLIENT: OpenSSL.SSL.SSLv23_METHOD,
+    ssl.PROTOCOL_TLSv1: OpenSSL.SSL.TLSv1_METHOD,
+}
+
+if hasattr(ssl, "PROTOCOL_SSLv3") and hasattr(OpenSSL.SSL, "SSLv3_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_SSLv3] = OpenSSL.SSL.SSLv3_METHOD
+
+if hasattr(ssl, "PROTOCOL_TLSv1_1") and hasattr(OpenSSL.SSL, "TLSv1_1_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_TLSv1_1] = OpenSSL.SSL.TLSv1_1_METHOD
+
+if hasattr(ssl, "PROTOCOL_TLSv1_2") and hasattr(OpenSSL.SSL, "TLSv1_2_METHOD"):
+    _openssl_versions[ssl.PROTOCOL_TLSv1_2] = OpenSSL.SSL.TLSv1_2_METHOD
+
+
+_stdlib_to_openssl_verify = {
+    ssl.CERT_NONE: OpenSSL.SSL.VERIFY_NONE,
+    ssl.CERT_OPTIONAL: OpenSSL.SSL.VERIFY_PEER,
+    ssl.CERT_REQUIRED: OpenSSL.SSL.VERIFY_PEER
+    + OpenSSL.SSL.VERIFY_FAIL_IF_NO_PEER_CERT,
+}
+_openssl_to_stdlib_verify = dict((v, k) for k, v in _stdlib_to_openssl_verify.items())
+
+# OpenSSL will only write 16K at a time
+SSL_WRITE_BLOCKSIZE = 16384
+
+orig_util_HAS_SNI = util.HAS_SNI
+orig_util_SSLContext = util.ssl_.SSLContext
+
+
+log = logging.getLogger(__name__)
+
+
+def inject_into_urllib3():
+    "Monkey-patch urllib3 with PyOpenSSL-backed SSL-support."
+
+    _validate_dependencies_met()
+
+    util.SSLContext = PyOpenSSLContext
+    util.ssl_.SSLContext = PyOpenSSLContext
+    util.HAS_SNI = HAS_SNI
+    util.ssl_.HAS_SNI = HAS_SNI
+    util.IS_PYOPENSSL = True
+    util.ssl_.IS_PYOPENSSL = True
+
+
+def extract_from_urllib3():
+    "Undo monkey-patching by :func:`inject_into_urllib3`."
+
+    util.SSLContext = orig_util_SSLContext
+    util.ssl_.SSLContext = orig_util_SSLContext
+    util.HAS_SNI = orig_util_HAS_SNI
+    util.ssl_.HAS_SNI = orig_util_HAS_SNI
+    util.IS_PYOPENSSL = False
+    util.ssl_.IS_PYOPENSSL = False
+
+
+def _validate_dependencies_met():
+    """
+    Verifies that PyOpenSSL's package-level dependencies have been met.
+    Throws `ImportError` if they are not met.
+    """
+    # Method added in `cryptography==1.1`; not available in older versions
+    from cryptography.x509.extensions import Extensions
+
+    if getattr(Extensions, "get_extension_for_class", None) is None:
+        raise ImportError(
+            "'cryptography' module missing required functionality.  "
+            "Try upgrading to v1.3.4 or newer."
+        )
+
+    # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509
+    # attribute is only present on those versions.
+    from OpenSSL.crypto import X509
+
+    x509 = X509()
+    if getattr(x509, "_x509", None) is None:
+        raise ImportError(
+            "'pyOpenSSL' module missing required functionality. "
+            "Try upgrading to v0.14 or newer."
+        )
+
+
+def _dnsname_to_stdlib(name):
+    """
+    Converts a dNSName SubjectAlternativeName field to the form used by the
+    standard library on the given Python version.
+
+    Cryptography produces a dNSName as a unicode string that was idna-decoded
+    from ASCII bytes. We need to idna-encode that string to get it back, and
+    then on Python 3 we also need to convert to unicode via UTF-8 (the stdlib
+    uses PyUnicode_FromStringAndSize on it, which decodes via UTF-8).
+
+    If the name cannot be idna-encoded then we return None signalling that
+    the name given should be skipped.
+    """
+
+    def idna_encode(name):
+        """
+        Borrowed wholesale from the Python Cryptography Project. It turns out
+        that we can't just safely call `idna.encode`: it can explode for
+        wildcard names. This avoids that problem.
+        """
+        from pip._vendor import idna
+
+        try:
+            for prefix in [u"*.", u"."]:
+                if name.startswith(prefix):
+                    name = name[len(prefix) :]
+                    return prefix.encode("ascii") + idna.encode(name)
+            return idna.encode(name)
+        except idna.core.IDNAError:
+            return None
+
+    # Don't send IPv6 addresses through the IDNA encoder.
+    if ":" in name:
+        return name
+
+    name = idna_encode(name)
+    if name is None:
+        return None
+    elif sys.version_info >= (3, 0):
+        name = name.decode("utf-8")
+    return name
+
+
+def get_subj_alt_name(peer_cert):
+    """
+    Given an PyOpenSSL certificate, provides all the subject alternative names.
+    """
+    # Pass the cert to cryptography, which has much better APIs for this.
+    if hasattr(peer_cert, "to_cryptography"):
+        cert = peer_cert.to_cryptography()
+    else:
+        der = OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_ASN1, peer_cert)
+        cert = x509.load_der_x509_certificate(der, openssl_backend)
+
+    # We want to find the SAN extension. Ask Cryptography to locate it (it's
+    # faster than looping in Python)
+    try:
+        ext = cert.extensions.get_extension_for_class(x509.SubjectAlternativeName).value
+    except x509.ExtensionNotFound:
+        # No such extension, return the empty list.
+        return []
+    except (
+        x509.DuplicateExtension,
+        UnsupportedExtension,
+        x509.UnsupportedGeneralNameType,
+        UnicodeError,
+    ) as e:
+        # A problem has been found with the quality of the certificate. Assume
+        # no SAN field is present.
+        log.warning(
+            "A problem was encountered with the certificate that prevented "
+            "urllib3 from finding the SubjectAlternativeName field. This can "
+            "affect certificate validation. The error was %s",
+            e,
+        )
+        return []
+
+    # We want to return dNSName and iPAddress fields. We need to cast the IPs
+    # back to strings because the match_hostname function wants them as
+    # strings.
+    # Sadly the DNS names need to be idna encoded and then, on Python 3, UTF-8
+    # decoded. This is pretty frustrating, but that's what the standard library
+    # does with certificates, and so we need to attempt to do the same.
+    # We also want to skip over names which cannot be idna encoded.
+    names = [
+        ("DNS", name)
+        for name in map(_dnsname_to_stdlib, ext.get_values_for_type(x509.DNSName))
+        if name is not None
+    ]
+    names.extend(
+        ("IP Address", str(name)) for name in ext.get_values_for_type(x509.IPAddress)
+    )
+
+    return names
+
+
+class WrappedSocket(object):
+    """API-compatibility wrapper for Python OpenSSL's Connection-class.
+
+    Note: _makefile_refs, _drop() and _reuse() are needed for the garbage
+    collector of pypy.
+    """
+
+    def __init__(self, connection, socket, suppress_ragged_eofs=True):
+        self.connection = connection
+        self.socket = socket
+        self.suppress_ragged_eofs = suppress_ragged_eofs
+        self._makefile_refs = 0
+        self._closed = False
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    # Copy-pasted from Python 3.5 source code
+    def _decref_socketios(self):
+        if self._makefile_refs > 0:
+            self._makefile_refs -= 1
+        if self._closed:
+            self.close()
+
+    def recv(self, *args, **kwargs):
+        try:
+            data = self.connection.recv(*args, **kwargs)
+        except OpenSSL.SSL.SysCallError as e:
+            if self.suppress_ragged_eofs and e.args == (-1, "Unexpected EOF"):
+                return b""
+            else:
+                raise SocketError(str(e))
+        except OpenSSL.SSL.ZeroReturnError:
+            if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN:
+                return b""
+            else:
+                raise
+        except OpenSSL.SSL.WantReadError:
+            if not util.wait_for_read(self.socket, self.socket.gettimeout()):
+                raise timeout("The read operation timed out")
+            else:
+                return self.recv(*args, **kwargs)
+
+        # TLS 1.3 post-handshake authentication
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("read error: %r" % e)
+        else:
+            return data
+
+    def recv_into(self, *args, **kwargs):
+        try:
+            return self.connection.recv_into(*args, **kwargs)
+        except OpenSSL.SSL.SysCallError as e:
+            if self.suppress_ragged_eofs and e.args == (-1, "Unexpected EOF"):
+                return 0
+            else:
+                raise SocketError(str(e))
+        except OpenSSL.SSL.ZeroReturnError:
+            if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN:
+                return 0
+            else:
+                raise
+        except OpenSSL.SSL.WantReadError:
+            if not util.wait_for_read(self.socket, self.socket.gettimeout()):
+                raise timeout("The read operation timed out")
+            else:
+                return self.recv_into(*args, **kwargs)
+
+        # TLS 1.3 post-handshake authentication
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("read error: %r" % e)
+
+    def settimeout(self, timeout):
+        return self.socket.settimeout(timeout)
+
+    def _send_until_done(self, data):
+        while True:
+            try:
+                return self.connection.send(data)
+            except OpenSSL.SSL.WantWriteError:
+                if not util.wait_for_write(self.socket, self.socket.gettimeout()):
+                    raise timeout()
+                continue
+            except OpenSSL.SSL.SysCallError as e:
+                raise SocketError(str(e))
+
+    def sendall(self, data):
+        total_sent = 0
+        while total_sent < len(data):
+            sent = self._send_until_done(
+                data[total_sent : total_sent + SSL_WRITE_BLOCKSIZE]
+            )
+            total_sent += sent
+
+    def shutdown(self):
+        # FIXME rethrow compatible exceptions should we ever use this
+        self.connection.shutdown()
+
+    def close(self):
+        if self._makefile_refs < 1:
+            try:
+                self._closed = True
+                return self.connection.close()
+            except OpenSSL.SSL.Error:
+                return
+        else:
+            self._makefile_refs -= 1
+
+    def getpeercert(self, binary_form=False):
+        x509 = self.connection.get_peer_certificate()
+
+        if not x509:
+            return x509
+
+        if binary_form:
+            return OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_ASN1, x509)
+
+        return {
+            "subject": ((("commonName", x509.get_subject().CN),),),
+            "subjectAltName": get_subj_alt_name(x509),
+        }
+
+    def version(self):
+        return self.connection.get_protocol_version_name()
+
+    def _reuse(self):
+        self._makefile_refs += 1
+
+    def _drop(self):
+        if self._makefile_refs < 1:
+            self.close()
+        else:
+            self._makefile_refs -= 1
+
+
+if _fileobject:  # Platform-specific: Python 2
+
+    def makefile(self, mode, bufsize=-1):
+        self._makefile_refs += 1
+        return _fileobject(self, mode, bufsize, close=True)
+
+else:  # Platform-specific: Python 3
+    makefile = backport_makefile
+
+WrappedSocket.makefile = makefile
+
+
+class PyOpenSSLContext(object):
+    """
+    I am a wrapper class for the PyOpenSSL ``Context`` object. I am responsible
+    for translating the interface of the standard library ``SSLContext`` object
+    to calls into PyOpenSSL.
+    """
+
+    def __init__(self, protocol):
+        self.protocol = _openssl_versions[protocol]
+        self._ctx = OpenSSL.SSL.Context(self.protocol)
+        self._options = 0
+        self.check_hostname = False
+
+    @property
+    def options(self):
+        return self._options
+
+    @options.setter
+    def options(self, value):
+        self._options = value
+        self._ctx.set_options(value)
+
+    @property
+    def verify_mode(self):
+        return _openssl_to_stdlib_verify[self._ctx.get_verify_mode()]
+
+    @verify_mode.setter
+    def verify_mode(self, value):
+        self._ctx.set_verify(_stdlib_to_openssl_verify[value], _verify_callback)
+
+    def set_default_verify_paths(self):
+        self._ctx.set_default_verify_paths()
+
+    def set_ciphers(self, ciphers):
+        if isinstance(ciphers, six.text_type):
+            ciphers = ciphers.encode("utf-8")
+        self._ctx.set_cipher_list(ciphers)
+
+    def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+        if cafile is not None:
+            cafile = cafile.encode("utf-8")
+        if capath is not None:
+            capath = capath.encode("utf-8")
+        try:
+            self._ctx.load_verify_locations(cafile, capath)
+            if cadata is not None:
+                self._ctx.load_verify_locations(BytesIO(cadata))
+        except OpenSSL.SSL.Error as e:
+            raise ssl.SSLError("unable to load trusted certificates: %r" % e)
+
+    def load_cert_chain(self, certfile, keyfile=None, password=None):
+        self._ctx.use_certificate_chain_file(certfile)
+        if password is not None:
+            if not isinstance(password, six.binary_type):
+                password = password.encode("utf-8")
+            self._ctx.set_passwd_cb(lambda *_: password)
+        self._ctx.use_privatekey_file(keyfile or certfile)
+
+    def set_alpn_protocols(self, protocols):
+        protocols = [six.ensure_binary(p) for p in protocols]
+        return self._ctx.set_alpn_protos(protocols)
+
+    def wrap_socket(
+        self,
+        sock,
+        server_side=False,
+        do_handshake_on_connect=True,
+        suppress_ragged_eofs=True,
+        server_hostname=None,
+    ):
+        cnx = OpenSSL.SSL.Connection(self._ctx, sock)
+
+        if isinstance(server_hostname, six.text_type):  # Platform-specific: Python 3
+            server_hostname = server_hostname.encode("utf-8")
+
+        if server_hostname is not None:
+            cnx.set_tlsext_host_name(server_hostname)
+
+        cnx.set_connect_state()
+
+        while True:
+            try:
+                cnx.do_handshake()
+            except OpenSSL.SSL.WantReadError:
+                if not util.wait_for_read(sock, sock.gettimeout()):
+                    raise timeout("select timed out")
+                continue
+            except OpenSSL.SSL.Error as e:
+                raise ssl.SSLError("bad handshake: %r" % e)
+            break
+
+        return WrappedSocket(cnx, sock)
+
+
+def _verify_callback(cnx, x509, err_no, err_depth, return_code):
+    return err_no == 0
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/securetransport.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/securetransport.py
new file mode 100644
index 00000000..4a06bc69
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/securetransport.py
@@ -0,0 +1,921 @@
+"""
+SecureTranport support for urllib3 via ctypes.
+
+This makes platform-native TLS available to urllib3 users on macOS without the
+use of a compiler. This is an important feature because the Python Package
+Index is moving to become a TLSv1.2-or-higher server, and the default OpenSSL
+that ships with macOS is not capable of doing TLSv1.2. The only way to resolve
+this is to give macOS users an alternative solution to the problem, and that
+solution is to use SecureTransport.
+
+We use ctypes here because this solution must not require a compiler. That's
+because pip is not allowed to require a compiler either.
+
+This is not intended to be a seriously long-term solution to this problem.
+The hope is that PEP 543 will eventually solve this issue for us, at which
+point we can retire this contrib module. But in the short term, we need to
+solve the impending tire fire that is Python on Mac without this kind of
+contrib module. So...here we are.
+
+To use this module, simply import and inject it::
+
+    import pip._vendor.urllib3.contrib.securetransport as securetransport
+    securetransport.inject_into_urllib3()
+
+Happy TLSing!
+
+This code is a bastardised version of the code found in Will Bond's oscrypto
+library. An enormous debt is owed to him for blazing this trail for us. For
+that reason, this code should be considered to be covered both by urllib3's
+license and by oscrypto's:
+
+.. code-block::
+
+    Copyright (c) 2015-2016 Will Bond <will@wbond.net>
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+"""
+from __future__ import absolute_import
+
+import contextlib
+import ctypes
+import errno
+import os.path
+import shutil
+import socket
+import ssl
+import struct
+import threading
+import weakref
+
+from pip._vendor import six
+
+from .. import util
+from ..util.ssl_ import PROTOCOL_TLS_CLIENT
+from ._securetransport.bindings import CoreFoundation, Security, SecurityConst
+from ._securetransport.low_level import (
+    _assert_no_error,
+    _build_tls_unknown_ca_alert,
+    _cert_array_from_pem,
+    _create_cfstring_array,
+    _load_client_cert_chain,
+    _temporary_keychain,
+)
+
+try:  # Platform-specific: Python 2
+    from socket import _fileobject
+except ImportError:  # Platform-specific: Python 3
+    _fileobject = None
+    from ..packages.backports.makefile import backport_makefile
+
+__all__ = ["inject_into_urllib3", "extract_from_urllib3"]
+
+# SNI always works
+HAS_SNI = True
+
+orig_util_HAS_SNI = util.HAS_SNI
+orig_util_SSLContext = util.ssl_.SSLContext
+
+# This dictionary is used by the read callback to obtain a handle to the
+# calling wrapped socket. This is a pretty silly approach, but for now it'll
+# do. I feel like I should be able to smuggle a handle to the wrapped socket
+# directly in the SSLConnectionRef, but for now this approach will work I
+# guess.
+#
+# We need to lock around this structure for inserts, but we don't do it for
+# reads/writes in the callbacks. The reasoning here goes as follows:
+#
+#    1. It is not possible to call into the callbacks before the dictionary is
+#       populated, so once in the callback the id must be in the dictionary.
+#    2. The callbacks don't mutate the dictionary, they only read from it, and
+#       so cannot conflict with any of the insertions.
+#
+# This is good: if we had to lock in the callbacks we'd drastically slow down
+# the performance of this code.
+_connection_refs = weakref.WeakValueDictionary()
+_connection_ref_lock = threading.Lock()
+
+# Limit writes to 16kB. This is OpenSSL's limit, but we'll cargo-cult it over
+# for no better reason than we need *a* limit, and this one is right there.
+SSL_WRITE_BLOCKSIZE = 16384
+
+# This is our equivalent of util.ssl_.DEFAULT_CIPHERS, but expanded out to
+# individual cipher suites. We need to do this because this is how
+# SecureTransport wants them.
+CIPHER_SUITES = [
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
+    SecurityConst.TLS_AES_256_GCM_SHA384,
+    SecurityConst.TLS_AES_128_GCM_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_GCM_SHA384,
+    SecurityConst.TLS_RSA_WITH_AES_128_GCM_SHA256,
+    SecurityConst.TLS_AES_128_CCM_8_SHA256,
+    SecurityConst.TLS_AES_128_CCM_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA256,
+    SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA,
+    SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA,
+]
+
+# Basically this is simple: for PROTOCOL_SSLv23 we turn it into a low of
+# TLSv1 and a high of TLSv1.2. For everything else, we pin to that version.
+# TLSv1 to 1.2 are supported on macOS 10.8+
+_protocol_to_min_max = {
+    util.PROTOCOL_TLS: (SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol12),
+    PROTOCOL_TLS_CLIENT: (SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol12),
+}
+
+if hasattr(ssl, "PROTOCOL_SSLv2"):
+    _protocol_to_min_max[ssl.PROTOCOL_SSLv2] = (
+        SecurityConst.kSSLProtocol2,
+        SecurityConst.kSSLProtocol2,
+    )
+if hasattr(ssl, "PROTOCOL_SSLv3"):
+    _protocol_to_min_max[ssl.PROTOCOL_SSLv3] = (
+        SecurityConst.kSSLProtocol3,
+        SecurityConst.kSSLProtocol3,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1] = (
+        SecurityConst.kTLSProtocol1,
+        SecurityConst.kTLSProtocol1,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1_1"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1_1] = (
+        SecurityConst.kTLSProtocol11,
+        SecurityConst.kTLSProtocol11,
+    )
+if hasattr(ssl, "PROTOCOL_TLSv1_2"):
+    _protocol_to_min_max[ssl.PROTOCOL_TLSv1_2] = (
+        SecurityConst.kTLSProtocol12,
+        SecurityConst.kTLSProtocol12,
+    )
+
+
+def inject_into_urllib3():
+    """
+    Monkey-patch urllib3 with SecureTransport-backed SSL-support.
+    """
+    util.SSLContext = SecureTransportContext
+    util.ssl_.SSLContext = SecureTransportContext
+    util.HAS_SNI = HAS_SNI
+    util.ssl_.HAS_SNI = HAS_SNI
+    util.IS_SECURETRANSPORT = True
+    util.ssl_.IS_SECURETRANSPORT = True
+
+
+def extract_from_urllib3():
+    """
+    Undo monkey-patching by :func:`inject_into_urllib3`.
+    """
+    util.SSLContext = orig_util_SSLContext
+    util.ssl_.SSLContext = orig_util_SSLContext
+    util.HAS_SNI = orig_util_HAS_SNI
+    util.ssl_.HAS_SNI = orig_util_HAS_SNI
+    util.IS_SECURETRANSPORT = False
+    util.ssl_.IS_SECURETRANSPORT = False
+
+
+def _read_callback(connection_id, data_buffer, data_length_pointer):
+    """
+    SecureTransport read callback. This is called by ST to request that data
+    be returned from the socket.
+    """
+    wrapped_socket = None
+    try:
+        wrapped_socket = _connection_refs.get(connection_id)
+        if wrapped_socket is None:
+            return SecurityConst.errSSLInternal
+        base_socket = wrapped_socket.socket
+
+        requested_length = data_length_pointer[0]
+
+        timeout = wrapped_socket.gettimeout()
+        error = None
+        read_count = 0
+
+        try:
+            while read_count < requested_length:
+                if timeout is None or timeout >= 0:
+                    if not util.wait_for_read(base_socket, timeout):
+                        raise socket.error(errno.EAGAIN, "timed out")
+
+                remaining = requested_length - read_count
+                buffer = (ctypes.c_char * remaining).from_address(
+                    data_buffer + read_count
+                )
+                chunk_size = base_socket.recv_into(buffer, remaining)
+                read_count += chunk_size
+                if not chunk_size:
+                    if not read_count:
+                        return SecurityConst.errSSLClosedGraceful
+                    break
+        except (socket.error) as e:
+            error = e.errno
+
+            if error is not None and error != errno.EAGAIN:
+                data_length_pointer[0] = read_count
+                if error == errno.ECONNRESET or error == errno.EPIPE:
+                    return SecurityConst.errSSLClosedAbort
+                raise
+
+        data_length_pointer[0] = read_count
+
+        if read_count != requested_length:
+            return SecurityConst.errSSLWouldBlock
+
+        return 0
+    except Exception as e:
+        if wrapped_socket is not None:
+            wrapped_socket._exception = e
+        return SecurityConst.errSSLInternal
+
+
+def _write_callback(connection_id, data_buffer, data_length_pointer):
+    """
+    SecureTransport write callback. This is called by ST to request that data
+    actually be sent on the network.
+    """
+    wrapped_socket = None
+    try:
+        wrapped_socket = _connection_refs.get(connection_id)
+        if wrapped_socket is None:
+            return SecurityConst.errSSLInternal
+        base_socket = wrapped_socket.socket
+
+        bytes_to_write = data_length_pointer[0]
+        data = ctypes.string_at(data_buffer, bytes_to_write)
+
+        timeout = wrapped_socket.gettimeout()
+        error = None
+        sent = 0
+
+        try:
+            while sent < bytes_to_write:
+                if timeout is None or timeout >= 0:
+                    if not util.wait_for_write(base_socket, timeout):
+                        raise socket.error(errno.EAGAIN, "timed out")
+                chunk_sent = base_socket.send(data)
+                sent += chunk_sent
+
+                # This has some needless copying here, but I'm not sure there's
+                # much value in optimising this data path.
+                data = data[chunk_sent:]
+        except (socket.error) as e:
+            error = e.errno
+
+            if error is not None and error != errno.EAGAIN:
+                data_length_pointer[0] = sent
+                if error == errno.ECONNRESET or error == errno.EPIPE:
+                    return SecurityConst.errSSLClosedAbort
+                raise
+
+        data_length_pointer[0] = sent
+
+        if sent != bytes_to_write:
+            return SecurityConst.errSSLWouldBlock
+
+        return 0
+    except Exception as e:
+        if wrapped_socket is not None:
+            wrapped_socket._exception = e
+        return SecurityConst.errSSLInternal
+
+
+# We need to keep these two objects references alive: if they get GC'd while
+# in use then SecureTransport could attempt to call a function that is in freed
+# memory. That would be...uh...bad. Yeah, that's the word. Bad.
+_read_callback_pointer = Security.SSLReadFunc(_read_callback)
+_write_callback_pointer = Security.SSLWriteFunc(_write_callback)
+
+
+class WrappedSocket(object):
+    """
+    API-compatibility wrapper for Python's OpenSSL wrapped socket object.
+
+    Note: _makefile_refs, _drop(), and _reuse() are needed for the garbage
+    collector of PyPy.
+    """
+
+    def __init__(self, socket):
+        self.socket = socket
+        self.context = None
+        self._makefile_refs = 0
+        self._closed = False
+        self._exception = None
+        self._keychain = None
+        self._keychain_dir = None
+        self._client_cert_chain = None
+
+        # We save off the previously-configured timeout and then set it to
+        # zero. This is done because we use select and friends to handle the
+        # timeouts, but if we leave the timeout set on the lower socket then
+        # Python will "kindly" call select on that socket again for us. Avoid
+        # that by forcing the timeout to zero.
+        self._timeout = self.socket.gettimeout()
+        self.socket.settimeout(0)
+
+    @contextlib.contextmanager
+    def _raise_on_error(self):
+        """
+        A context manager that can be used to wrap calls that do I/O from
+        SecureTransport. If any of the I/O callbacks hit an exception, this
+        context manager will correctly propagate the exception after the fact.
+        This avoids silently swallowing those exceptions.
+
+        It also correctly forces the socket closed.
+        """
+        self._exception = None
+
+        # We explicitly don't catch around this yield because in the unlikely
+        # event that an exception was hit in the block we don't want to swallow
+        # it.
+        yield
+        if self._exception is not None:
+            exception, self._exception = self._exception, None
+            self.close()
+            raise exception
+
+    def _set_ciphers(self):
+        """
+        Sets up the allowed ciphers. By default this matches the set in
+        util.ssl_.DEFAULT_CIPHERS, at least as supported by macOS. This is done
+        custom and doesn't allow changing at this time, mostly because parsing
+        OpenSSL cipher strings is going to be a freaking nightmare.
+        """
+        ciphers = (Security.SSLCipherSuite * len(CIPHER_SUITES))(*CIPHER_SUITES)
+        result = Security.SSLSetEnabledCiphers(
+            self.context, ciphers, len(CIPHER_SUITES)
+        )
+        _assert_no_error(result)
+
+    def _set_alpn_protocols(self, protocols):
+        """
+        Sets up the ALPN protocols on the context.
+        """
+        if not protocols:
+            return
+        protocols_arr = _create_cfstring_array(protocols)
+        try:
+            result = Security.SSLSetALPNProtocols(self.context, protocols_arr)
+            _assert_no_error(result)
+        finally:
+            CoreFoundation.CFRelease(protocols_arr)
+
+    def _custom_validate(self, verify, trust_bundle):
+        """
+        Called when we have set custom validation. We do this in two cases:
+        first, when cert validation is entirely disabled; and second, when
+        using a custom trust DB.
+        Raises an SSLError if the connection is not trusted.
+        """
+        # If we disabled cert validation, just say: cool.
+        if not verify:
+            return
+
+        successes = (
+            SecurityConst.kSecTrustResultUnspecified,
+            SecurityConst.kSecTrustResultProceed,
+        )
+        try:
+            trust_result = self._evaluate_trust(trust_bundle)
+            if trust_result in successes:
+                return
+            reason = "error code: %d" % (trust_result,)
+        except Exception as e:
+            # Do not trust on error
+            reason = "exception: %r" % (e,)
+
+        # SecureTransport does not send an alert nor shuts down the connection.
+        rec = _build_tls_unknown_ca_alert(self.version())
+        self.socket.sendall(rec)
+        # close the connection immediately
+        # l_onoff = 1, activate linger
+        # l_linger = 0, linger for 0 seoncds
+        opts = struct.pack("ii", 1, 0)
+        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, opts)
+        self.close()
+        raise ssl.SSLError("certificate verify failed, %s" % reason)
+
+    def _evaluate_trust(self, trust_bundle):
+        # We want data in memory, so load it up.
+        if os.path.isfile(trust_bundle):
+            with open(trust_bundle, "rb") as f:
+                trust_bundle = f.read()
+
+        cert_array = None
+        trust = Security.SecTrustRef()
+
+        try:
+            # Get a CFArray that contains the certs we want.
+            cert_array = _cert_array_from_pem(trust_bundle)
+
+            # Ok, now the hard part. We want to get the SecTrustRef that ST has
+            # created for this connection, shove our CAs into it, tell ST to
+            # ignore everything else it knows, and then ask if it can build a
+            # chain. This is a buuuunch of code.
+            result = Security.SSLCopyPeerTrust(self.context, ctypes.byref(trust))
+            _assert_no_error(result)
+            if not trust:
+                raise ssl.SSLError("Failed to copy trust reference")
+
+            result = Security.SecTrustSetAnchorCertificates(trust, cert_array)
+            _assert_no_error(result)
+
+            result = Security.SecTrustSetAnchorCertificatesOnly(trust, True)
+            _assert_no_error(result)
+
+            trust_result = Security.SecTrustResultType()
+            result = Security.SecTrustEvaluate(trust, ctypes.byref(trust_result))
+            _assert_no_error(result)
+        finally:
+            if trust:
+                CoreFoundation.CFRelease(trust)
+
+            if cert_array is not None:
+                CoreFoundation.CFRelease(cert_array)
+
+        return trust_result.value
+
+    def handshake(
+        self,
+        server_hostname,
+        verify,
+        trust_bundle,
+        min_version,
+        max_version,
+        client_cert,
+        client_key,
+        client_key_passphrase,
+        alpn_protocols,
+    ):
+        """
+        Actually performs the TLS handshake. This is run automatically by
+        wrapped socket, and shouldn't be needed in user code.
+        """
+        # First, we do the initial bits of connection setup. We need to create
+        # a context, set its I/O funcs, and set the connection reference.
+        self.context = Security.SSLCreateContext(
+            None, SecurityConst.kSSLClientSide, SecurityConst.kSSLStreamType
+        )
+        result = Security.SSLSetIOFuncs(
+            self.context, _read_callback_pointer, _write_callback_pointer
+        )
+        _assert_no_error(result)
+
+        # Here we need to compute the handle to use. We do this by taking the
+        # id of self modulo 2**31 - 1. If this is already in the dictionary, we
+        # just keep incrementing by one until we find a free space.
+        with _connection_ref_lock:
+            handle = id(self) % 2147483647
+            while handle in _connection_refs:
+                handle = (handle + 1) % 2147483647
+            _connection_refs[handle] = self
+
+        result = Security.SSLSetConnection(self.context, handle)
+        _assert_no_error(result)
+
+        # If we have a server hostname, we should set that too.
+        if server_hostname:
+            if not isinstance(server_hostname, bytes):
+                server_hostname = server_hostname.encode("utf-8")
+
+            result = Security.SSLSetPeerDomainName(
+                self.context, server_hostname, len(server_hostname)
+            )
+            _assert_no_error(result)
+
+        # Setup the ciphers.
+        self._set_ciphers()
+
+        # Setup the ALPN protocols.
+        self._set_alpn_protocols(alpn_protocols)
+
+        # Set the minimum and maximum TLS versions.
+        result = Security.SSLSetProtocolVersionMin(self.context, min_version)
+        _assert_no_error(result)
+
+        result = Security.SSLSetProtocolVersionMax(self.context, max_version)
+        _assert_no_error(result)
+
+        # If there's a trust DB, we need to use it. We do that by telling
+        # SecureTransport to break on server auth. We also do that if we don't
+        # want to validate the certs at all: we just won't actually do any
+        # authing in that case.
+        if not verify or trust_bundle is not None:
+            result = Security.SSLSetSessionOption(
+                self.context, SecurityConst.kSSLSessionOptionBreakOnServerAuth, True
+            )
+            _assert_no_error(result)
+
+        # If there's a client cert, we need to use it.
+        if client_cert:
+            self._keychain, self._keychain_dir = _temporary_keychain()
+            self._client_cert_chain = _load_client_cert_chain(
+                self._keychain, client_cert, client_key
+            )
+            result = Security.SSLSetCertificate(self.context, self._client_cert_chain)
+            _assert_no_error(result)
+
+        while True:
+            with self._raise_on_error():
+                result = Security.SSLHandshake(self.context)
+
+                if result == SecurityConst.errSSLWouldBlock:
+                    raise socket.timeout("handshake timed out")
+                elif result == SecurityConst.errSSLServerAuthCompleted:
+                    self._custom_validate(verify, trust_bundle)
+                    continue
+                else:
+                    _assert_no_error(result)
+                    break
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    # Copy-pasted from Python 3.5 source code
+    def _decref_socketios(self):
+        if self._makefile_refs > 0:
+            self._makefile_refs -= 1
+        if self._closed:
+            self.close()
+
+    def recv(self, bufsiz):
+        buffer = ctypes.create_string_buffer(bufsiz)
+        bytes_read = self.recv_into(buffer, bufsiz)
+        data = buffer[:bytes_read]
+        return data
+
+    def recv_into(self, buffer, nbytes=None):
+        # Read short on EOF.
+        if self._closed:
+            return 0
+
+        if nbytes is None:
+            nbytes = len(buffer)
+
+        buffer = (ctypes.c_char * nbytes).from_buffer(buffer)
+        processed_bytes = ctypes.c_size_t(0)
+
+        with self._raise_on_error():
+            result = Security.SSLRead(
+                self.context, buffer, nbytes, ctypes.byref(processed_bytes)
+            )
+
+        # There are some result codes that we want to treat as "not always
+        # errors". Specifically, those are errSSLWouldBlock,
+        # errSSLClosedGraceful, and errSSLClosedNoNotify.
+        if result == SecurityConst.errSSLWouldBlock:
+            # If we didn't process any bytes, then this was just a time out.
+            # However, we can get errSSLWouldBlock in situations when we *did*
+            # read some data, and in those cases we should just read "short"
+            # and return.
+            if processed_bytes.value == 0:
+                # Timed out, no data read.
+                raise socket.timeout("recv timed out")
+        elif result in (
+            SecurityConst.errSSLClosedGraceful,
+            SecurityConst.errSSLClosedNoNotify,
+        ):
+            # The remote peer has closed this connection. We should do so as
+            # well. Note that we don't actually return here because in
+            # principle this could actually be fired along with return data.
+            # It's unlikely though.
+            self.close()
+        else:
+            _assert_no_error(result)
+
+        # Ok, we read and probably succeeded. We should return whatever data
+        # was actually read.
+        return processed_bytes.value
+
+    def settimeout(self, timeout):
+        self._timeout = timeout
+
+    def gettimeout(self):
+        return self._timeout
+
+    def send(self, data):
+        processed_bytes = ctypes.c_size_t(0)
+
+        with self._raise_on_error():
+            result = Security.SSLWrite(
+                self.context, data, len(data), ctypes.byref(processed_bytes)
+            )
+
+        if result == SecurityConst.errSSLWouldBlock and processed_bytes.value == 0:
+            # Timed out
+            raise socket.timeout("send timed out")
+        else:
+            _assert_no_error(result)
+
+        # We sent, and probably succeeded. Tell them how much we sent.
+        return processed_bytes.value
+
+    def sendall(self, data):
+        total_sent = 0
+        while total_sent < len(data):
+            sent = self.send(data[total_sent : total_sent + SSL_WRITE_BLOCKSIZE])
+            total_sent += sent
+
+    def shutdown(self):
+        with self._raise_on_error():
+            Security.SSLClose(self.context)
+
+    def close(self):
+        # TODO: should I do clean shutdown here? Do I have to?
+        if self._makefile_refs < 1:
+            self._closed = True
+            if self.context:
+                CoreFoundation.CFRelease(self.context)
+                self.context = None
+            if self._client_cert_chain:
+                CoreFoundation.CFRelease(self._client_cert_chain)
+                self._client_cert_chain = None
+            if self._keychain:
+                Security.SecKeychainDelete(self._keychain)
+                CoreFoundation.CFRelease(self._keychain)
+                shutil.rmtree(self._keychain_dir)
+                self._keychain = self._keychain_dir = None
+            return self.socket.close()
+        else:
+            self._makefile_refs -= 1
+
+    def getpeercert(self, binary_form=False):
+        # Urgh, annoying.
+        #
+        # Here's how we do this:
+        #
+        # 1. Call SSLCopyPeerTrust to get hold of the trust object for this
+        #    connection.
+        # 2. Call SecTrustGetCertificateAtIndex for index 0 to get the leaf.
+        # 3. To get the CN, call SecCertificateCopyCommonName and process that
+        #    string so that it's of the appropriate type.
+        # 4. To get the SAN, we need to do something a bit more complex:
+        #    a. Call SecCertificateCopyValues to get the data, requesting
+        #       kSecOIDSubjectAltName.
+        #    b. Mess about with this dictionary to try to get the SANs out.
+        #
+        # This is gross. Really gross. It's going to be a few hundred LoC extra
+        # just to repeat something that SecureTransport can *already do*. So my
+        # operating assumption at this time is that what we want to do is
+        # instead to just flag to urllib3 that it shouldn't do its own hostname
+        # validation when using SecureTransport.
+        if not binary_form:
+            raise ValueError("SecureTransport only supports dumping binary certs")
+        trust = Security.SecTrustRef()
+        certdata = None
+        der_bytes = None
+
+        try:
+            # Grab the trust store.
+            result = Security.SSLCopyPeerTrust(self.context, ctypes.byref(trust))
+            _assert_no_error(result)
+            if not trust:
+                # Probably we haven't done the handshake yet. No biggie.
+                return None
+
+            cert_count = Security.SecTrustGetCertificateCount(trust)
+            if not cert_count:
+                # Also a case that might happen if we haven't handshaked.
+                # Handshook? Handshaken?
+                return None
+
+            leaf = Security.SecTrustGetCertificateAtIndex(trust, 0)
+            assert leaf
+
+            # Ok, now we want the DER bytes.
+            certdata = Security.SecCertificateCopyData(leaf)
+            assert certdata
+
+            data_length = CoreFoundation.CFDataGetLength(certdata)
+            data_buffer = CoreFoundation.CFDataGetBytePtr(certdata)
+            der_bytes = ctypes.string_at(data_buffer, data_length)
+        finally:
+            if certdata:
+                CoreFoundation.CFRelease(certdata)
+            if trust:
+                CoreFoundation.CFRelease(trust)
+
+        return der_bytes
+
+    def version(self):
+        protocol = Security.SSLProtocol()
+        result = Security.SSLGetNegotiatedProtocolVersion(
+            self.context, ctypes.byref(protocol)
+        )
+        _assert_no_error(result)
+        if protocol.value == SecurityConst.kTLSProtocol13:
+            raise ssl.SSLError("SecureTransport does not support TLS 1.3")
+        elif protocol.value == SecurityConst.kTLSProtocol12:
+            return "TLSv1.2"
+        elif protocol.value == SecurityConst.kTLSProtocol11:
+            return "TLSv1.1"
+        elif protocol.value == SecurityConst.kTLSProtocol1:
+            return "TLSv1"
+        elif protocol.value == SecurityConst.kSSLProtocol3:
+            return "SSLv3"
+        elif protocol.value == SecurityConst.kSSLProtocol2:
+            return "SSLv2"
+        else:
+            raise ssl.SSLError("Unknown TLS version: %r" % protocol)
+
+    def _reuse(self):
+        self._makefile_refs += 1
+
+    def _drop(self):
+        if self._makefile_refs < 1:
+            self.close()
+        else:
+            self._makefile_refs -= 1
+
+
+if _fileobject:  # Platform-specific: Python 2
+
+    def makefile(self, mode, bufsize=-1):
+        self._makefile_refs += 1
+        return _fileobject(self, mode, bufsize, close=True)
+
+else:  # Platform-specific: Python 3
+
+    def makefile(self, mode="r", buffering=None, *args, **kwargs):
+        # We disable buffering with SecureTransport because it conflicts with
+        # the buffering that ST does internally (see issue #1153 for more).
+        buffering = 0
+        return backport_makefile(self, mode, buffering, *args, **kwargs)
+
+
+WrappedSocket.makefile = makefile
+
+
+class SecureTransportContext(object):
+    """
+    I am a wrapper class for the SecureTransport library, to translate the
+    interface of the standard library ``SSLContext`` object to calls into
+    SecureTransport.
+    """
+
+    def __init__(self, protocol):
+        self._min_version, self._max_version = _protocol_to_min_max[protocol]
+        self._options = 0
+        self._verify = False
+        self._trust_bundle = None
+        self._client_cert = None
+        self._client_key = None
+        self._client_key_passphrase = None
+        self._alpn_protocols = None
+
+    @property
+    def check_hostname(self):
+        """
+        SecureTransport cannot have its hostname checking disabled. For more,
+        see the comment on getpeercert() in this file.
+        """
+        return True
+
+    @check_hostname.setter
+    def check_hostname(self, value):
+        """
+        SecureTransport cannot have its hostname checking disabled. For more,
+        see the comment on getpeercert() in this file.
+        """
+        pass
+
+    @property
+    def options(self):
+        # TODO: Well, crap.
+        #
+        # So this is the bit of the code that is the most likely to cause us
+        # trouble. Essentially we need to enumerate all of the SSL options that
+        # users might want to use and try to see if we can sensibly translate
+        # them, or whether we should just ignore them.
+        return self._options
+
+    @options.setter
+    def options(self, value):
+        # TODO: Update in line with above.
+        self._options = value
+
+    @property
+    def verify_mode(self):
+        return ssl.CERT_REQUIRED if self._verify else ssl.CERT_NONE
+
+    @verify_mode.setter
+    def verify_mode(self, value):
+        self._verify = True if value == ssl.CERT_REQUIRED else False
+
+    def set_default_verify_paths(self):
+        # So, this has to do something a bit weird. Specifically, what it does
+        # is nothing.
+        #
+        # This means that, if we had previously had load_verify_locations
+        # called, this does not undo that. We need to do that because it turns
+        # out that the rest of the urllib3 code will attempt to load the
+        # default verify paths if it hasn't been told about any paths, even if
+        # the context itself was sometime earlier. We resolve that by just
+        # ignoring it.
+        pass
+
+    def load_default_certs(self):
+        return self.set_default_verify_paths()
+
+    def set_ciphers(self, ciphers):
+        # For now, we just require the default cipher string.
+        if ciphers != util.ssl_.DEFAULT_CIPHERS:
+            raise ValueError("SecureTransport doesn't support custom cipher strings")
+
+    def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+        # OK, we only really support cadata and cafile.
+        if capath is not None:
+            raise ValueError("SecureTransport does not support cert directories")
+
+        # Raise if cafile does not exist.
+        if cafile is not None:
+            with open(cafile):
+                pass
+
+        self._trust_bundle = cafile or cadata
+
+    def load_cert_chain(self, certfile, keyfile=None, password=None):
+        self._client_cert = certfile
+        self._client_key = keyfile
+        self._client_cert_passphrase = password
+
+    def set_alpn_protocols(self, protocols):
+        """
+        Sets the ALPN protocols that will later be set on the context.
+
+        Raises a NotImplementedError if ALPN is not supported.
+        """
+        if not hasattr(Security, "SSLSetALPNProtocols"):
+            raise NotImplementedError(
+                "SecureTransport supports ALPN only in macOS 10.12+"
+            )
+        self._alpn_protocols = [six.ensure_binary(p) for p in protocols]
+
+    def wrap_socket(
+        self,
+        sock,
+        server_side=False,
+        do_handshake_on_connect=True,
+        suppress_ragged_eofs=True,
+        server_hostname=None,
+    ):
+        # So, what do we do here? Firstly, we assert some properties. This is a
+        # stripped down shim, so there is some functionality we don't support.
+        # See PEP 543 for the real deal.
+        assert not server_side
+        assert do_handshake_on_connect
+        assert suppress_ragged_eofs
+
+        # Ok, we're good to go. Now we want to create the wrapped socket object
+        # and store it in the appropriate place.
+        wrapped_socket = WrappedSocket(sock)
+
+        # Now we can handshake
+        wrapped_socket.handshake(
+            server_hostname,
+            self._verify,
+            self._trust_bundle,
+            self._min_version,
+            self._max_version,
+            self._client_cert,
+            self._client_key,
+            self._client_key_passphrase,
+            self._alpn_protocols,
+        )
+        return wrapped_socket
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/socks.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/socks.py
new file mode 100644
index 00000000..c326e80d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/contrib/socks.py
@@ -0,0 +1,216 @@
+# -*- coding: utf-8 -*-
+"""
+This module contains provisional support for SOCKS proxies from within
+urllib3. This module supports SOCKS4, SOCKS4A (an extension of SOCKS4), and
+SOCKS5. To enable its functionality, either install PySocks or install this
+module with the ``socks`` extra.
+
+The SOCKS implementation supports the full range of urllib3 features. It also
+supports the following SOCKS features:
+
+- SOCKS4A (``proxy_url='socks4a://...``)
+- SOCKS4 (``proxy_url='socks4://...``)
+- SOCKS5 with remote DNS (``proxy_url='socks5h://...``)
+- SOCKS5 with local DNS (``proxy_url='socks5://...``)
+- Usernames and passwords for the SOCKS proxy
+
+.. note::
+   It is recommended to use ``socks5h://`` or ``socks4a://`` schemes in
+   your ``proxy_url`` to ensure that DNS resolution is done from the remote
+   server instead of client-side when connecting to a domain name.
+
+SOCKS4 supports IPv4 and domain names with the SOCKS4A extension. SOCKS5
+supports IPv4, IPv6, and domain names.
+
+When connecting to a SOCKS4 proxy the ``username`` portion of the ``proxy_url``
+will be sent as the ``userid`` section of the SOCKS request:
+
+.. code-block:: python
+
+    proxy_url="socks4a://<userid>@proxy-host"
+
+When connecting to a SOCKS5 proxy the ``username`` and ``password`` portion
+of the ``proxy_url`` will be sent as the username/password to authenticate
+with the proxy:
+
+.. code-block:: python
+
+    proxy_url="socks5h://<username>:<password>@proxy-host"
+
+"""
+from __future__ import absolute_import
+
+try:
+    import socks
+except ImportError:
+    import warnings
+
+    from ..exceptions import DependencyWarning
+
+    warnings.warn(
+        (
+            "SOCKS support in urllib3 requires the installation of optional "
+            "dependencies: specifically, PySocks.  For more information, see "
+            "https://urllib3.readthedocs.io/en/1.26.x/contrib.html#socks-proxies"
+        ),
+        DependencyWarning,
+    )
+    raise
+
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+from ..connection import HTTPConnection, HTTPSConnection
+from ..connectionpool import HTTPConnectionPool, HTTPSConnectionPool
+from ..exceptions import ConnectTimeoutError, NewConnectionError
+from ..poolmanager import PoolManager
+from ..util.url import parse_url
+
+try:
+    import ssl
+except ImportError:
+    ssl = None
+
+
+class SOCKSConnection(HTTPConnection):
+    """
+    A plain-text HTTP connection that connects via a SOCKS proxy.
+    """
+
+    def __init__(self, *args, **kwargs):
+        self._socks_options = kwargs.pop("_socks_options")
+        super(SOCKSConnection, self).__init__(*args, **kwargs)
+
+    def _new_conn(self):
+        """
+        Establish a new connection via the SOCKS proxy.
+        """
+        extra_kw = {}
+        if self.source_address:
+            extra_kw["source_address"] = self.source_address
+
+        if self.socket_options:
+            extra_kw["socket_options"] = self.socket_options
+
+        try:
+            conn = socks.create_connection(
+                (self.host, self.port),
+                proxy_type=self._socks_options["socks_version"],
+                proxy_addr=self._socks_options["proxy_host"],
+                proxy_port=self._socks_options["proxy_port"],
+                proxy_username=self._socks_options["username"],
+                proxy_password=self._socks_options["password"],
+                proxy_rdns=self._socks_options["rdns"],
+                timeout=self.timeout,
+                **extra_kw
+            )
+
+        except SocketTimeout:
+            raise ConnectTimeoutError(
+                self,
+                "Connection to %s timed out. (connect timeout=%s)"
+                % (self.host, self.timeout),
+            )
+
+        except socks.ProxyError as e:
+            # This is fragile as hell, but it seems to be the only way to raise
+            # useful errors here.
+            if e.socket_err:
+                error = e.socket_err
+                if isinstance(error, SocketTimeout):
+                    raise ConnectTimeoutError(
+                        self,
+                        "Connection to %s timed out. (connect timeout=%s)"
+                        % (self.host, self.timeout),
+                    )
+                else:
+                    raise NewConnectionError(
+                        self, "Failed to establish a new connection: %s" % error
+                    )
+            else:
+                raise NewConnectionError(
+                    self, "Failed to establish a new connection: %s" % e
+                )
+
+        except SocketError as e:  # Defensive: PySocks should catch all these.
+            raise NewConnectionError(
+                self, "Failed to establish a new connection: %s" % e
+            )
+
+        return conn
+
+
+# We don't need to duplicate the Verified/Unverified distinction from
+# urllib3/connection.py here because the HTTPSConnection will already have been
+# correctly set to either the Verified or Unverified form by that module. This
+# means the SOCKSHTTPSConnection will automatically be the correct type.
+class SOCKSHTTPSConnection(SOCKSConnection, HTTPSConnection):
+    pass
+
+
+class SOCKSHTTPConnectionPool(HTTPConnectionPool):
+    ConnectionCls = SOCKSConnection
+
+
+class SOCKSHTTPSConnectionPool(HTTPSConnectionPool):
+    ConnectionCls = SOCKSHTTPSConnection
+
+
+class SOCKSProxyManager(PoolManager):
+    """
+    A version of the urllib3 ProxyManager that routes connections via the
+    defined SOCKS proxy.
+    """
+
+    pool_classes_by_scheme = {
+        "http": SOCKSHTTPConnectionPool,
+        "https": SOCKSHTTPSConnectionPool,
+    }
+
+    def __init__(
+        self,
+        proxy_url,
+        username=None,
+        password=None,
+        num_pools=10,
+        headers=None,
+        **connection_pool_kw
+    ):
+        parsed = parse_url(proxy_url)
+
+        if username is None and password is None and parsed.auth is not None:
+            split = parsed.auth.split(":")
+            if len(split) == 2:
+                username, password = split
+        if parsed.scheme == "socks5":
+            socks_version = socks.PROXY_TYPE_SOCKS5
+            rdns = False
+        elif parsed.scheme == "socks5h":
+            socks_version = socks.PROXY_TYPE_SOCKS5
+            rdns = True
+        elif parsed.scheme == "socks4":
+            socks_version = socks.PROXY_TYPE_SOCKS4
+            rdns = False
+        elif parsed.scheme == "socks4a":
+            socks_version = socks.PROXY_TYPE_SOCKS4
+            rdns = True
+        else:
+            raise ValueError("Unable to determine SOCKS version from %s" % proxy_url)
+
+        self.proxy_url = proxy_url
+
+        socks_options = {
+            "socks_version": socks_version,
+            "proxy_host": parsed.host,
+            "proxy_port": parsed.port,
+            "username": username,
+            "password": password,
+            "rdns": rdns,
+        }
+        connection_pool_kw["_socks_options"] = socks_options
+
+        super(SOCKSProxyManager, self).__init__(
+            num_pools, headers, **connection_pool_kw
+        )
+
+        self.pool_classes_by_scheme = SOCKSProxyManager.pool_classes_by_scheme
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/exceptions.py
new file mode 100644
index 00000000..cba6f3f5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/exceptions.py
@@ -0,0 +1,323 @@
+from __future__ import absolute_import
+
+from .packages.six.moves.http_client import IncompleteRead as httplib_IncompleteRead
+
+# Base Exceptions
+
+
+class HTTPError(Exception):
+    """Base exception used by this module."""
+
+    pass
+
+
+class HTTPWarning(Warning):
+    """Base warning used by this module."""
+
+    pass
+
+
+class PoolError(HTTPError):
+    """Base exception for errors caused within a pool."""
+
+    def __init__(self, pool, message):
+        self.pool = pool
+        HTTPError.__init__(self, "%s: %s" % (pool, message))
+
+    def __reduce__(self):
+        # For pickling purposes.
+        return self.__class__, (None, None)
+
+
+class RequestError(PoolError):
+    """Base exception for PoolErrors that have associated URLs."""
+
+    def __init__(self, pool, url, message):
+        self.url = url
+        PoolError.__init__(self, pool, message)
+
+    def __reduce__(self):
+        # For pickling purposes.
+        return self.__class__, (None, self.url, None)
+
+
+class SSLError(HTTPError):
+    """Raised when SSL certificate fails in an HTTPS connection."""
+
+    pass
+
+
+class ProxyError(HTTPError):
+    """Raised when the connection to a proxy fails."""
+
+    def __init__(self, message, error, *args):
+        super(ProxyError, self).__init__(message, error, *args)
+        self.original_error = error
+
+
+class DecodeError(HTTPError):
+    """Raised when automatic decoding based on Content-Type fails."""
+
+    pass
+
+
+class ProtocolError(HTTPError):
+    """Raised when something unexpected happens mid-request/response."""
+
+    pass
+
+
+#: Renamed to ProtocolError but aliased for backwards compatibility.
+ConnectionError = ProtocolError
+
+
+# Leaf Exceptions
+
+
+class MaxRetryError(RequestError):
+    """Raised when the maximum number of retries is exceeded.
+
+    :param pool: The connection pool
+    :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool`
+    :param string url: The requested Url
+    :param exceptions.Exception reason: The underlying error
+
+    """
+
+    def __init__(self, pool, url, reason=None):
+        self.reason = reason
+
+        message = "Max retries exceeded with url: %s (Caused by %r)" % (url, reason)
+
+        RequestError.__init__(self, pool, url, message)
+
+
+class HostChangedError(RequestError):
+    """Raised when an existing pool gets a request for a foreign host."""
+
+    def __init__(self, pool, url, retries=3):
+        message = "Tried to open a foreign host with url: %s" % url
+        RequestError.__init__(self, pool, url, message)
+        self.retries = retries
+
+
+class TimeoutStateError(HTTPError):
+    """Raised when passing an invalid state to a timeout"""
+
+    pass
+
+
+class TimeoutError(HTTPError):
+    """Raised when a socket timeout error occurs.
+
+    Catching this error will catch both :exc:`ReadTimeoutErrors
+    <ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`.
+    """
+
+    pass
+
+
+class ReadTimeoutError(TimeoutError, RequestError):
+    """Raised when a socket timeout occurs while receiving data from a server"""
+
+    pass
+
+
+# This timeout error does not have a URL attached and needs to inherit from the
+# base HTTPError
+class ConnectTimeoutError(TimeoutError):
+    """Raised when a socket timeout occurs while connecting to a server"""
+
+    pass
+
+
+class NewConnectionError(ConnectTimeoutError, PoolError):
+    """Raised when we fail to establish a new connection. Usually ECONNREFUSED."""
+
+    pass
+
+
+class EmptyPoolError(PoolError):
+    """Raised when a pool runs out of connections and no more are allowed."""
+
+    pass
+
+
+class ClosedPoolError(PoolError):
+    """Raised when a request enters a pool after the pool has been closed."""
+
+    pass
+
+
+class LocationValueError(ValueError, HTTPError):
+    """Raised when there is something wrong with a given URL input."""
+
+    pass
+
+
+class LocationParseError(LocationValueError):
+    """Raised when get_host or similar fails to parse the URL input."""
+
+    def __init__(self, location):
+        message = "Failed to parse: %s" % location
+        HTTPError.__init__(self, message)
+
+        self.location = location
+
+
+class URLSchemeUnknown(LocationValueError):
+    """Raised when a URL input has an unsupported scheme."""
+
+    def __init__(self, scheme):
+        message = "Not supported URL scheme %s" % scheme
+        super(URLSchemeUnknown, self).__init__(message)
+
+        self.scheme = scheme
+
+
+class ResponseError(HTTPError):
+    """Used as a container for an error reason supplied in a MaxRetryError."""
+
+    GENERIC_ERROR = "too many error responses"
+    SPECIFIC_ERROR = "too many {status_code} error responses"
+
+
+class SecurityWarning(HTTPWarning):
+    """Warned when performing security reducing actions"""
+
+    pass
+
+
+class SubjectAltNameWarning(SecurityWarning):
+    """Warned when connecting to a host with a certificate missing a SAN."""
+
+    pass
+
+
+class InsecureRequestWarning(SecurityWarning):
+    """Warned when making an unverified HTTPS request."""
+
+    pass
+
+
+class SystemTimeWarning(SecurityWarning):
+    """Warned when system time is suspected to be wrong"""
+
+    pass
+
+
+class InsecurePlatformWarning(SecurityWarning):
+    """Warned when certain TLS/SSL configuration is not available on a platform."""
+
+    pass
+
+
+class SNIMissingWarning(HTTPWarning):
+    """Warned when making a HTTPS request without SNI available."""
+
+    pass
+
+
+class DependencyWarning(HTTPWarning):
+    """
+    Warned when an attempt is made to import a module with missing optional
+    dependencies.
+    """
+
+    pass
+
+
+class ResponseNotChunked(ProtocolError, ValueError):
+    """Response needs to be chunked in order to read it as chunks."""
+
+    pass
+
+
+class BodyNotHttplibCompatible(HTTPError):
+    """
+    Body should be :class:`http.client.HTTPResponse` like
+    (have an fp attribute which returns raw chunks) for read_chunked().
+    """
+
+    pass
+
+
+class IncompleteRead(HTTPError, httplib_IncompleteRead):
+    """
+    Response length doesn't match expected Content-Length
+
+    Subclass of :class:`http.client.IncompleteRead` to allow int value
+    for ``partial`` to avoid creating large objects on streamed reads.
+    """
+
+    def __init__(self, partial, expected):
+        super(IncompleteRead, self).__init__(partial, expected)
+
+    def __repr__(self):
+        return "IncompleteRead(%i bytes read, %i more expected)" % (
+            self.partial,
+            self.expected,
+        )
+
+
+class InvalidChunkLength(HTTPError, httplib_IncompleteRead):
+    """Invalid chunk length in a chunked response."""
+
+    def __init__(self, response, length):
+        super(InvalidChunkLength, self).__init__(
+            response.tell(), response.length_remaining
+        )
+        self.response = response
+        self.length = length
+
+    def __repr__(self):
+        return "InvalidChunkLength(got length %r, %i bytes read)" % (
+            self.length,
+            self.partial,
+        )
+
+
+class InvalidHeader(HTTPError):
+    """The header provided was somehow invalid."""
+
+    pass
+
+
+class ProxySchemeUnknown(AssertionError, URLSchemeUnknown):
+    """ProxyManager does not support the supplied scheme"""
+
+    # TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
+
+    def __init__(self, scheme):
+        # 'localhost' is here because our URL parser parses
+        # localhost:8080 -> scheme=localhost, remove if we fix this.
+        if scheme == "localhost":
+            scheme = None
+        if scheme is None:
+            message = "Proxy URL had no scheme, should start with http:// or https://"
+        else:
+            message = (
+                "Proxy URL had unsupported scheme %s, should use http:// or https://"
+                % scheme
+            )
+        super(ProxySchemeUnknown, self).__init__(message)
+
+
+class ProxySchemeUnsupported(ValueError):
+    """Fetching HTTPS resources through HTTPS proxies is unsupported"""
+
+    pass
+
+
+class HeaderParsingError(HTTPError):
+    """Raised by assert_header_parsing, but we convert it to a log.warning statement."""
+
+    def __init__(self, defects, unparsed_data):
+        message = "%s, unparsed data: %r" % (defects or "Unknown", unparsed_data)
+        super(HeaderParsingError, self).__init__(message)
+
+
+class UnrewindableBodyError(HTTPError):
+    """urllib3 encountered an error when trying to rewind a body"""
+
+    pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/fields.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/fields.py
new file mode 100644
index 00000000..9d630f49
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/fields.py
@@ -0,0 +1,274 @@
+from __future__ import absolute_import
+
+import email.utils
+import mimetypes
+import re
+
+from .packages import six
+
+
+def guess_content_type(filename, default="application/octet-stream"):
+    """
+    Guess the "Content-Type" of a file.
+
+    :param filename:
+        The filename to guess the "Content-Type" of using :mod:`mimetypes`.
+    :param default:
+        If no "Content-Type" can be guessed, default to `default`.
+    """
+    if filename:
+        return mimetypes.guess_type(filename)[0] or default
+    return default
+
+
+def format_header_param_rfc2231(name, value):
+    """
+    Helper function to format and quote a single header parameter using the
+    strategy defined in RFC 2231.
+
+    Particularly useful for header parameters which might contain
+    non-ASCII values, like file names. This follows
+    `RFC 2388 Section 4.4 <https://tools.ietf.org/html/rfc2388#section-4.4>`_.
+
+    :param name:
+        The name of the parameter, a string expected to be ASCII only.
+    :param value:
+        The value of the parameter, provided as ``bytes`` or `str``.
+    :ret:
+        An RFC-2231-formatted unicode string.
+    """
+    if isinstance(value, six.binary_type):
+        value = value.decode("utf-8")
+
+    if not any(ch in value for ch in '"\\\r\n'):
+        result = u'%s="%s"' % (name, value)
+        try:
+            result.encode("ascii")
+        except (UnicodeEncodeError, UnicodeDecodeError):
+            pass
+        else:
+            return result
+
+    if six.PY2:  # Python 2:
+        value = value.encode("utf-8")
+
+    # encode_rfc2231 accepts an encoded string and returns an ascii-encoded
+    # string in Python 2 but accepts and returns unicode strings in Python 3
+    value = email.utils.encode_rfc2231(value, "utf-8")
+    value = "%s*=%s" % (name, value)
+
+    if six.PY2:  # Python 2:
+        value = value.decode("utf-8")
+
+    return value
+
+
+_HTML5_REPLACEMENTS = {
+    u"\u0022": u"%22",
+    # Replace "\" with "\\".
+    u"\u005C": u"\u005C\u005C",
+}
+
+# All control characters from 0x00 to 0x1F *except* 0x1B.
+_HTML5_REPLACEMENTS.update(
+    {
+        six.unichr(cc): u"%{:02X}".format(cc)
+        for cc in range(0x00, 0x1F + 1)
+        if cc not in (0x1B,)
+    }
+)
+
+
+def _replace_multiple(value, needles_and_replacements):
+    def replacer(match):
+        return needles_and_replacements[match.group(0)]
+
+    pattern = re.compile(
+        r"|".join([re.escape(needle) for needle in needles_and_replacements.keys()])
+    )
+
+    result = pattern.sub(replacer, value)
+
+    return result
+
+
+def format_header_param_html5(name, value):
+    """
+    Helper function to format and quote a single header parameter using the
+    HTML5 strategy.
+
+    Particularly useful for header parameters which might contain
+    non-ASCII values, like file names. This follows the `HTML5 Working Draft
+    Section 4.10.22.7`_ and matches the behavior of curl and modern browsers.
+
+    .. _HTML5 Working Draft Section 4.10.22.7:
+        https://w3c.github.io/html/sec-forms.html#multipart-form-data
+
+    :param name:
+        The name of the parameter, a string expected to be ASCII only.
+    :param value:
+        The value of the parameter, provided as ``bytes`` or `str``.
+    :ret:
+        A unicode string, stripped of troublesome characters.
+    """
+    if isinstance(value, six.binary_type):
+        value = value.decode("utf-8")
+
+    value = _replace_multiple(value, _HTML5_REPLACEMENTS)
+
+    return u'%s="%s"' % (name, value)
+
+
+# For backwards-compatibility.
+format_header_param = format_header_param_html5
+
+
+class RequestField(object):
+    """
+    A data container for request body parameters.
+
+    :param name:
+        The name of this request field. Must be unicode.
+    :param data:
+        The data/value body.
+    :param filename:
+        An optional filename of the request field. Must be unicode.
+    :param headers:
+        An optional dict-like object of headers to initially use for the field.
+    :param header_formatter:
+        An optional callable that is used to encode and format the headers. By
+        default, this is :func:`format_header_param_html5`.
+    """
+
+    def __init__(
+        self,
+        name,
+        data,
+        filename=None,
+        headers=None,
+        header_formatter=format_header_param_html5,
+    ):
+        self._name = name
+        self._filename = filename
+        self.data = data
+        self.headers = {}
+        if headers:
+            self.headers = dict(headers)
+        self.header_formatter = header_formatter
+
+    @classmethod
+    def from_tuples(cls, fieldname, value, header_formatter=format_header_param_html5):
+        """
+        A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters.
+
+        Supports constructing :class:`~urllib3.fields.RequestField` from
+        parameter of key/value strings AND key/filetuple. A filetuple is a
+        (filename, data, MIME type) tuple where the MIME type is optional.
+        For example::
+
+            'foo': 'bar',
+            'fakefile': ('foofile.txt', 'contents of foofile'),
+            'realfile': ('barfile.txt', open('realfile').read()),
+            'typedfile': ('bazfile.bin', open('bazfile').read(), 'image/jpeg'),
+            'nonamefile': 'contents of nonamefile field',
+
+        Field names and filenames must be unicode.
+        """
+        if isinstance(value, tuple):
+            if len(value) == 3:
+                filename, data, content_type = value
+            else:
+                filename, data = value
+                content_type = guess_content_type(filename)
+        else:
+            filename = None
+            content_type = None
+            data = value
+
+        request_param = cls(
+            fieldname, data, filename=filename, header_formatter=header_formatter
+        )
+        request_param.make_multipart(content_type=content_type)
+
+        return request_param
+
+    def _render_part(self, name, value):
+        """
+        Overridable helper function to format a single header parameter. By
+        default, this calls ``self.header_formatter``.
+
+        :param name:
+            The name of the parameter, a string expected to be ASCII only.
+        :param value:
+            The value of the parameter, provided as a unicode string.
+        """
+
+        return self.header_formatter(name, value)
+
+    def _render_parts(self, header_parts):
+        """
+        Helper function to format and quote a single header.
+
+        Useful for single headers that are composed of multiple items. E.g.,
+        'Content-Disposition' fields.
+
+        :param header_parts:
+            A sequence of (k, v) tuples or a :class:`dict` of (k, v) to format
+            as `k1="v1"; k2="v2"; ...`.
+        """
+        parts = []
+        iterable = header_parts
+        if isinstance(header_parts, dict):
+            iterable = header_parts.items()
+
+        for name, value in iterable:
+            if value is not None:
+                parts.append(self._render_part(name, value))
+
+        return u"; ".join(parts)
+
+    def render_headers(self):
+        """
+        Renders the headers for this request field.
+        """
+        lines = []
+
+        sort_keys = ["Content-Disposition", "Content-Type", "Content-Location"]
+        for sort_key in sort_keys:
+            if self.headers.get(sort_key, False):
+                lines.append(u"%s: %s" % (sort_key, self.headers[sort_key]))
+
+        for header_name, header_value in self.headers.items():
+            if header_name not in sort_keys:
+                if header_value:
+                    lines.append(u"%s: %s" % (header_name, header_value))
+
+        lines.append(u"\r\n")
+        return u"\r\n".join(lines)
+
+    def make_multipart(
+        self, content_disposition=None, content_type=None, content_location=None
+    ):
+        """
+        Makes this request field into a multipart request field.
+
+        This method overrides "Content-Disposition", "Content-Type" and
+        "Content-Location" headers to the request parameter.
+
+        :param content_type:
+            The 'Content-Type' of the request body.
+        :param content_location:
+            The 'Content-Location' of the request body.
+
+        """
+        self.headers["Content-Disposition"] = content_disposition or u"form-data"
+        self.headers["Content-Disposition"] += u"; ".join(
+            [
+                u"",
+                self._render_parts(
+                    ((u"name", self._name), (u"filename", self._filename))
+                ),
+            ]
+        )
+        self.headers["Content-Type"] = content_type
+        self.headers["Content-Location"] = content_location
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/filepost.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/filepost.py
new file mode 100644
index 00000000..36c9252c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/filepost.py
@@ -0,0 +1,98 @@
+from __future__ import absolute_import
+
+import binascii
+import codecs
+import os
+from io import BytesIO
+
+from .fields import RequestField
+from .packages import six
+from .packages.six import b
+
+writer = codecs.lookup("utf-8")[3]
+
+
+def choose_boundary():
+    """
+    Our embarrassingly-simple replacement for mimetools.choose_boundary.
+    """
+    boundary = binascii.hexlify(os.urandom(16))
+    if not six.PY2:
+        boundary = boundary.decode("ascii")
+    return boundary
+
+
+def iter_field_objects(fields):
+    """
+    Iterate over fields.
+
+    Supports list of (k, v) tuples and dicts, and lists of
+    :class:`~urllib3.fields.RequestField`.
+
+    """
+    if isinstance(fields, dict):
+        i = six.iteritems(fields)
+    else:
+        i = iter(fields)
+
+    for field in i:
+        if isinstance(field, RequestField):
+            yield field
+        else:
+            yield RequestField.from_tuples(*field)
+
+
+def iter_fields(fields):
+    """
+    .. deprecated:: 1.6
+
+    Iterate over fields.
+
+    The addition of :class:`~urllib3.fields.RequestField` makes this function
+    obsolete. Instead, use :func:`iter_field_objects`, which returns
+    :class:`~urllib3.fields.RequestField` objects.
+
+    Supports list of (k, v) tuples and dicts.
+    """
+    if isinstance(fields, dict):
+        return ((k, v) for k, v in six.iteritems(fields))
+
+    return ((k, v) for k, v in fields)
+
+
+def encode_multipart_formdata(fields, boundary=None):
+    """
+    Encode a dictionary of ``fields`` using the multipart/form-data MIME format.
+
+    :param fields:
+        Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`).
+
+    :param boundary:
+        If not specified, then a random boundary will be generated using
+        :func:`urllib3.filepost.choose_boundary`.
+    """
+    body = BytesIO()
+    if boundary is None:
+        boundary = choose_boundary()
+
+    for field in iter_field_objects(fields):
+        body.write(b("--%s\r\n" % (boundary)))
+
+        writer(body).write(field.render_headers())
+        data = field.data
+
+        if isinstance(data, int):
+            data = str(data)  # Backwards compatibility
+
+        if isinstance(data, six.text_type):
+            writer(body).write(data)
+        else:
+            body.write(data)
+
+        body.write(b"\r\n")
+
+    body.write(b("--%s--\r\n" % (boundary)))
+
+    content_type = str("multipart/form-data; boundary=%s" % boundary)
+
+    return body.getvalue(), content_type
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/__pycache__/weakref_finalize.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/__pycache__/weakref_finalize.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/makefile.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/makefile.py
new file mode 100644
index 00000000..b8fb2154
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/makefile.py
@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+"""
+backports.makefile
+~~~~~~~~~~~~~~~~~~
+
+Backports the Python 3 ``socket.makefile`` method for use with anything that
+wants to create a "fake" socket object.
+"""
+import io
+from socket import SocketIO
+
+
+def backport_makefile(
+    self, mode="r", buffering=None, encoding=None, errors=None, newline=None
+):
+    """
+    Backport of ``socket.makefile`` from Python 3.5.
+    """
+    if not set(mode) <= {"r", "w", "b"}:
+        raise ValueError("invalid mode %r (only r, w, b allowed)" % (mode,))
+    writing = "w" in mode
+    reading = "r" in mode or not writing
+    assert reading or writing
+    binary = "b" in mode
+    rawmode = ""
+    if reading:
+        rawmode += "r"
+    if writing:
+        rawmode += "w"
+    raw = SocketIO(self, rawmode)
+    self._makefile_refs += 1
+    if buffering is None:
+        buffering = -1
+    if buffering < 0:
+        buffering = io.DEFAULT_BUFFER_SIZE
+    if buffering == 0:
+        if not binary:
+            raise ValueError("unbuffered streams must be binary")
+        return raw
+    if reading and writing:
+        buffer = io.BufferedRWPair(raw, raw, buffering)
+    elif reading:
+        buffer = io.BufferedReader(raw, buffering)
+    else:
+        assert writing
+        buffer = io.BufferedWriter(raw, buffering)
+    if binary:
+        return buffer
+    text = io.TextIOWrapper(buffer, encoding, errors, newline)
+    text.mode = mode
+    return text
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/weakref_finalize.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/weakref_finalize.py
new file mode 100644
index 00000000..a2f2966e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/backports/weakref_finalize.py
@@ -0,0 +1,155 @@
+# -*- coding: utf-8 -*-
+"""
+backports.weakref_finalize
+~~~~~~~~~~~~~~~~~~
+
+Backports the Python 3 ``weakref.finalize`` method.
+"""
+from __future__ import absolute_import
+
+import itertools
+import sys
+from weakref import ref
+
+__all__ = ["weakref_finalize"]
+
+
+class weakref_finalize(object):
+    """Class for finalization of weakrefable objects
+    finalize(obj, func, *args, **kwargs) returns a callable finalizer
+    object which will be called when obj is garbage collected. The
+    first time the finalizer is called it evaluates func(*arg, **kwargs)
+    and returns the result. After this the finalizer is dead, and
+    calling it just returns None.
+    When the program exits any remaining finalizers for which the
+    atexit attribute is true will be run in reverse order of creation.
+    By default atexit is true.
+    """
+
+    # Finalizer objects don't have any state of their own.  They are
+    # just used as keys to lookup _Info objects in the registry.  This
+    # ensures that they cannot be part of a ref-cycle.
+
+    __slots__ = ()
+    _registry = {}
+    _shutdown = False
+    _index_iter = itertools.count()
+    _dirty = False
+    _registered_with_atexit = False
+
+    class _Info(object):
+        __slots__ = ("weakref", "func", "args", "kwargs", "atexit", "index")
+
+    def __init__(self, obj, func, *args, **kwargs):
+        if not self._registered_with_atexit:
+            # We may register the exit function more than once because
+            # of a thread race, but that is harmless
+            import atexit
+
+            atexit.register(self._exitfunc)
+            weakref_finalize._registered_with_atexit = True
+        info = self._Info()
+        info.weakref = ref(obj, self)
+        info.func = func
+        info.args = args
+        info.kwargs = kwargs or None
+        info.atexit = True
+        info.index = next(self._index_iter)
+        self._registry[self] = info
+        weakref_finalize._dirty = True
+
+    def __call__(self, _=None):
+        """If alive then mark as dead and return func(*args, **kwargs);
+        otherwise return None"""
+        info = self._registry.pop(self, None)
+        if info and not self._shutdown:
+            return info.func(*info.args, **(info.kwargs or {}))
+
+    def detach(self):
+        """If alive then mark as dead and return (obj, func, args, kwargs);
+        otherwise return None"""
+        info = self._registry.get(self)
+        obj = info and info.weakref()
+        if obj is not None and self._registry.pop(self, None):
+            return (obj, info.func, info.args, info.kwargs or {})
+
+    def peek(self):
+        """If alive then return (obj, func, args, kwargs);
+        otherwise return None"""
+        info = self._registry.get(self)
+        obj = info and info.weakref()
+        if obj is not None:
+            return (obj, info.func, info.args, info.kwargs or {})
+
+    @property
+    def alive(self):
+        """Whether finalizer is alive"""
+        return self in self._registry
+
+    @property
+    def atexit(self):
+        """Whether finalizer should be called at exit"""
+        info = self._registry.get(self)
+        return bool(info) and info.atexit
+
+    @atexit.setter
+    def atexit(self, value):
+        info = self._registry.get(self)
+        if info:
+            info.atexit = bool(value)
+
+    def __repr__(self):
+        info = self._registry.get(self)
+        obj = info and info.weakref()
+        if obj is None:
+            return "<%s object at %#x; dead>" % (type(self).__name__, id(self))
+        else:
+            return "<%s object at %#x; for %r at %#x>" % (
+                type(self).__name__,
+                id(self),
+                type(obj).__name__,
+                id(obj),
+            )
+
+    @classmethod
+    def _select_for_exit(cls):
+        # Return live finalizers marked for exit, oldest first
+        L = [(f, i) for (f, i) in cls._registry.items() if i.atexit]
+        L.sort(key=lambda item: item[1].index)
+        return [f for (f, i) in L]
+
+    @classmethod
+    def _exitfunc(cls):
+        # At shutdown invoke finalizers for which atexit is true.
+        # This is called once all other non-daemonic threads have been
+        # joined.
+        reenable_gc = False
+        try:
+            if cls._registry:
+                import gc
+
+                if gc.isenabled():
+                    reenable_gc = True
+                    gc.disable()
+                pending = None
+                while True:
+                    if pending is None or weakref_finalize._dirty:
+                        pending = cls._select_for_exit()
+                        weakref_finalize._dirty = False
+                    if not pending:
+                        break
+                    f = pending.pop()
+                    try:
+                        # gc is disabled, so (assuming no daemonic
+                        # threads) the following is the only line in
+                        # this function which might trigger creation
+                        # of a new finalizer
+                        f()
+                    except Exception:
+                        sys.excepthook(*sys.exc_info())
+                    assert f not in cls._registry
+        finally:
+            # prevent any more finalizers from executing during shutdown
+            weakref_finalize._shutdown = True
+            if reenable_gc:
+                gc.enable()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/six.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/six.py
new file mode 100644
index 00000000..f099a3dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/packages/six.py
@@ -0,0 +1,1076 @@
+# Copyright (c) 2010-2020 Benjamin Peterson
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""Utilities for writing code that runs on Python 2 and 3"""
+
+from __future__ import absolute_import
+
+import functools
+import itertools
+import operator
+import sys
+import types
+
+__author__ = "Benjamin Peterson <benjamin@python.org>"
+__version__ = "1.16.0"
+
+
+# Useful for very coarse version differentiation.
+PY2 = sys.version_info[0] == 2
+PY3 = sys.version_info[0] == 3
+PY34 = sys.version_info[0:2] >= (3, 4)
+
+if PY3:
+    string_types = (str,)
+    integer_types = (int,)
+    class_types = (type,)
+    text_type = str
+    binary_type = bytes
+
+    MAXSIZE = sys.maxsize
+else:
+    string_types = (basestring,)
+    integer_types = (int, long)
+    class_types = (type, types.ClassType)
+    text_type = unicode
+    binary_type = str
+
+    if sys.platform.startswith("java"):
+        # Jython always uses 32 bits.
+        MAXSIZE = int((1 << 31) - 1)
+    else:
+        # It's possible to have sizeof(long) != sizeof(Py_ssize_t).
+        class X(object):
+            def __len__(self):
+                return 1 << 31
+
+        try:
+            len(X())
+        except OverflowError:
+            # 32-bit
+            MAXSIZE = int((1 << 31) - 1)
+        else:
+            # 64-bit
+            MAXSIZE = int((1 << 63) - 1)
+        del X
+
+if PY34:
+    from importlib.util import spec_from_loader
+else:
+    spec_from_loader = None
+
+
+def _add_doc(func, doc):
+    """Add documentation to a function."""
+    func.__doc__ = doc
+
+
+def _import_module(name):
+    """Import module, returning the module after the last dot."""
+    __import__(name)
+    return sys.modules[name]
+
+
+class _LazyDescr(object):
+    def __init__(self, name):
+        self.name = name
+
+    def __get__(self, obj, tp):
+        result = self._resolve()
+        setattr(obj, self.name, result)  # Invokes __set__.
+        try:
+            # This is a bit ugly, but it avoids running this again by
+            # removing this descriptor.
+            delattr(obj.__class__, self.name)
+        except AttributeError:
+            pass
+        return result
+
+
+class MovedModule(_LazyDescr):
+    def __init__(self, name, old, new=None):
+        super(MovedModule, self).__init__(name)
+        if PY3:
+            if new is None:
+                new = name
+            self.mod = new
+        else:
+            self.mod = old
+
+    def _resolve(self):
+        return _import_module(self.mod)
+
+    def __getattr__(self, attr):
+        _module = self._resolve()
+        value = getattr(_module, attr)
+        setattr(self, attr, value)
+        return value
+
+
+class _LazyModule(types.ModuleType):
+    def __init__(self, name):
+        super(_LazyModule, self).__init__(name)
+        self.__doc__ = self.__class__.__doc__
+
+    def __dir__(self):
+        attrs = ["__doc__", "__name__"]
+        attrs += [attr.name for attr in self._moved_attributes]
+        return attrs
+
+    # Subclasses should override this
+    _moved_attributes = []
+
+
+class MovedAttribute(_LazyDescr):
+    def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
+        super(MovedAttribute, self).__init__(name)
+        if PY3:
+            if new_mod is None:
+                new_mod = name
+            self.mod = new_mod
+            if new_attr is None:
+                if old_attr is None:
+                    new_attr = name
+                else:
+                    new_attr = old_attr
+            self.attr = new_attr
+        else:
+            self.mod = old_mod
+            if old_attr is None:
+                old_attr = name
+            self.attr = old_attr
+
+    def _resolve(self):
+        module = _import_module(self.mod)
+        return getattr(module, self.attr)
+
+
+class _SixMetaPathImporter(object):
+
+    """
+    A meta path importer to import six.moves and its submodules.
+
+    This class implements a PEP302 finder and loader. It should be compatible
+    with Python 2.5 and all existing versions of Python3
+    """
+
+    def __init__(self, six_module_name):
+        self.name = six_module_name
+        self.known_modules = {}
+
+    def _add_module(self, mod, *fullnames):
+        for fullname in fullnames:
+            self.known_modules[self.name + "." + fullname] = mod
+
+    def _get_module(self, fullname):
+        return self.known_modules[self.name + "." + fullname]
+
+    def find_module(self, fullname, path=None):
+        if fullname in self.known_modules:
+            return self
+        return None
+
+    def find_spec(self, fullname, path, target=None):
+        if fullname in self.known_modules:
+            return spec_from_loader(fullname, self)
+        return None
+
+    def __get_module(self, fullname):
+        try:
+            return self.known_modules[fullname]
+        except KeyError:
+            raise ImportError("This loader does not know module " + fullname)
+
+    def load_module(self, fullname):
+        try:
+            # in case of a reload
+            return sys.modules[fullname]
+        except KeyError:
+            pass
+        mod = self.__get_module(fullname)
+        if isinstance(mod, MovedModule):
+            mod = mod._resolve()
+        else:
+            mod.__loader__ = self
+        sys.modules[fullname] = mod
+        return mod
+
+    def is_package(self, fullname):
+        """
+        Return true, if the named module is a package.
+
+        We need this method to get correct spec objects with
+        Python 3.4 (see PEP451)
+        """
+        return hasattr(self.__get_module(fullname), "__path__")
+
+    def get_code(self, fullname):
+        """Return None
+
+        Required, if is_package is implemented"""
+        self.__get_module(fullname)  # eventually raises ImportError
+        return None
+
+    get_source = get_code  # same as get_code
+
+    def create_module(self, spec):
+        return self.load_module(spec.name)
+
+    def exec_module(self, module):
+        pass
+
+
+_importer = _SixMetaPathImporter(__name__)
+
+
+class _MovedItems(_LazyModule):
+
+    """Lazy loading of moved objects"""
+
+    __path__ = []  # mark as package
+
+
+_moved_attributes = [
+    MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
+    MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
+    MovedAttribute(
+        "filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"
+    ),
+    MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"),
+    MovedAttribute("intern", "__builtin__", "sys"),
+    MovedAttribute("map", "itertools", "builtins", "imap", "map"),
+    MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"),
+    MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"),
+    MovedAttribute("getoutput", "commands", "subprocess"),
+    MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute(
+        "reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"
+    ),
+    MovedAttribute("reduce", "__builtin__", "functools"),
+    MovedAttribute("shlex_quote", "pipes", "shlex", "quote"),
+    MovedAttribute("StringIO", "StringIO", "io"),
+    MovedAttribute("UserDict", "UserDict", "collections"),
+    MovedAttribute("UserList", "UserList", "collections"),
+    MovedAttribute("UserString", "UserString", "collections"),
+    MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
+    MovedAttribute(
+        "zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"
+    ),
+    MovedModule("builtins", "__builtin__"),
+    MovedModule("configparser", "ConfigParser"),
+    MovedModule(
+        "collections_abc",
+        "collections",
+        "collections.abc" if sys.version_info >= (3, 3) else "collections",
+    ),
+    MovedModule("copyreg", "copy_reg"),
+    MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
+    MovedModule("dbm_ndbm", "dbm", "dbm.ndbm"),
+    MovedModule(
+        "_dummy_thread",
+        "dummy_thread",
+        "_dummy_thread" if sys.version_info < (3, 9) else "_thread",
+    ),
+    MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
+    MovedModule("http_cookies", "Cookie", "http.cookies"),
+    MovedModule("html_entities", "htmlentitydefs", "html.entities"),
+    MovedModule("html_parser", "HTMLParser", "html.parser"),
+    MovedModule("http_client", "httplib", "http.client"),
+    MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"),
+    MovedModule("email_mime_image", "email.MIMEImage", "email.mime.image"),
+    MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"),
+    MovedModule(
+        "email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"
+    ),
+    MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"),
+    MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
+    MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
+    MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
+    MovedModule("cPickle", "cPickle", "pickle"),
+    MovedModule("queue", "Queue"),
+    MovedModule("reprlib", "repr"),
+    MovedModule("socketserver", "SocketServer"),
+    MovedModule("_thread", "thread", "_thread"),
+    MovedModule("tkinter", "Tkinter"),
+    MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
+    MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
+    MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
+    MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
+    MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"),
+    MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
+    MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
+    MovedModule("tkinter_colorchooser", "tkColorChooser", "tkinter.colorchooser"),
+    MovedModule("tkinter_commondialog", "tkCommonDialog", "tkinter.commondialog"),
+    MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_font", "tkFont", "tkinter.font"),
+    MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
+    MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", "tkinter.simpledialog"),
+    MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"),
+    MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"),
+    MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"),
+    MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
+    MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"),
+    MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"),
+]
+# Add windows specific modules.
+if sys.platform == "win32":
+    _moved_attributes += [
+        MovedModule("winreg", "_winreg"),
+    ]
+
+for attr in _moved_attributes:
+    setattr(_MovedItems, attr.name, attr)
+    if isinstance(attr, MovedModule):
+        _importer._add_module(attr, "moves." + attr.name)
+del attr
+
+_MovedItems._moved_attributes = _moved_attributes
+
+moves = _MovedItems(__name__ + ".moves")
+_importer._add_module(moves, "moves")
+
+
+class Module_six_moves_urllib_parse(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_parse"""
+
+
+_urllib_parse_moved_attributes = [
+    MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
+    MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
+    MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
+    MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
+    MovedAttribute("urljoin", "urlparse", "urllib.parse"),
+    MovedAttribute("urlparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
+    MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
+    MovedAttribute("quote", "urllib", "urllib.parse"),
+    MovedAttribute("quote_plus", "urllib", "urllib.parse"),
+    MovedAttribute("unquote", "urllib", "urllib.parse"),
+    MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
+    MovedAttribute(
+        "unquote_to_bytes", "urllib", "urllib.parse", "unquote", "unquote_to_bytes"
+    ),
+    MovedAttribute("urlencode", "urllib", "urllib.parse"),
+    MovedAttribute("splitquery", "urllib", "urllib.parse"),
+    MovedAttribute("splittag", "urllib", "urllib.parse"),
+    MovedAttribute("splituser", "urllib", "urllib.parse"),
+    MovedAttribute("splitvalue", "urllib", "urllib.parse"),
+    MovedAttribute("uses_fragment", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_netloc", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_params", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_query", "urlparse", "urllib.parse"),
+    MovedAttribute("uses_relative", "urlparse", "urllib.parse"),
+]
+for attr in _urllib_parse_moved_attributes:
+    setattr(Module_six_moves_urllib_parse, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
+    "moves.urllib_parse",
+    "moves.urllib.parse",
+)
+
+
+class Module_six_moves_urllib_error(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_error"""
+
+
+_urllib_error_moved_attributes = [
+    MovedAttribute("URLError", "urllib2", "urllib.error"),
+    MovedAttribute("HTTPError", "urllib2", "urllib.error"),
+    MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
+]
+for attr in _urllib_error_moved_attributes:
+    setattr(Module_six_moves_urllib_error, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
+    "moves.urllib_error",
+    "moves.urllib.error",
+)
+
+
+class Module_six_moves_urllib_request(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_request"""
+
+
+_urllib_request_moved_attributes = [
+    MovedAttribute("urlopen", "urllib2", "urllib.request"),
+    MovedAttribute("install_opener", "urllib2", "urllib.request"),
+    MovedAttribute("build_opener", "urllib2", "urllib.request"),
+    MovedAttribute("pathname2url", "urllib", "urllib.request"),
+    MovedAttribute("url2pathname", "urllib", "urllib.request"),
+    MovedAttribute("getproxies", "urllib", "urllib.request"),
+    MovedAttribute("Request", "urllib2", "urllib.request"),
+    MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
+    MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FileHandler", "urllib2", "urllib.request"),
+    MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
+    MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
+    MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
+    MovedAttribute("urlretrieve", "urllib", "urllib.request"),
+    MovedAttribute("urlcleanup", "urllib", "urllib.request"),
+    MovedAttribute("URLopener", "urllib", "urllib.request"),
+    MovedAttribute("FancyURLopener", "urllib", "urllib.request"),
+    MovedAttribute("proxy_bypass", "urllib", "urllib.request"),
+    MovedAttribute("parse_http_list", "urllib2", "urllib.request"),
+    MovedAttribute("parse_keqv_list", "urllib2", "urllib.request"),
+]
+for attr in _urllib_request_moved_attributes:
+    setattr(Module_six_moves_urllib_request, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"),
+    "moves.urllib_request",
+    "moves.urllib.request",
+)
+
+
+class Module_six_moves_urllib_response(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_response"""
+
+
+_urllib_response_moved_attributes = [
+    MovedAttribute("addbase", "urllib", "urllib.response"),
+    MovedAttribute("addclosehook", "urllib", "urllib.response"),
+    MovedAttribute("addinfo", "urllib", "urllib.response"),
+    MovedAttribute("addinfourl", "urllib", "urllib.response"),
+]
+for attr in _urllib_response_moved_attributes:
+    setattr(Module_six_moves_urllib_response, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes
+
+_importer._add_module(
+    Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"),
+    "moves.urllib_response",
+    "moves.urllib.response",
+)
+
+
+class Module_six_moves_urllib_robotparser(_LazyModule):
+
+    """Lazy loading of moved objects in six.moves.urllib_robotparser"""
+
+
+_urllib_robotparser_moved_attributes = [
+    MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"),
+]
+for attr in _urllib_robotparser_moved_attributes:
+    setattr(Module_six_moves_urllib_robotparser, attr.name, attr)
+del attr
+
+Module_six_moves_urllib_robotparser._moved_attributes = (
+    _urllib_robotparser_moved_attributes
+)
+
+_importer._add_module(
+    Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"),
+    "moves.urllib_robotparser",
+    "moves.urllib.robotparser",
+)
+
+
+class Module_six_moves_urllib(types.ModuleType):
+
+    """Create a six.moves.urllib namespace that resembles the Python 3 namespace"""
+
+    __path__ = []  # mark as package
+    parse = _importer._get_module("moves.urllib_parse")
+    error = _importer._get_module("moves.urllib_error")
+    request = _importer._get_module("moves.urllib_request")
+    response = _importer._get_module("moves.urllib_response")
+    robotparser = _importer._get_module("moves.urllib_robotparser")
+
+    def __dir__(self):
+        return ["parse", "error", "request", "response", "robotparser"]
+
+
+_importer._add_module(
+    Module_six_moves_urllib(__name__ + ".moves.urllib"), "moves.urllib"
+)
+
+
+def add_move(move):
+    """Add an item to six.moves."""
+    setattr(_MovedItems, move.name, move)
+
+
+def remove_move(name):
+    """Remove item from six.moves."""
+    try:
+        delattr(_MovedItems, name)
+    except AttributeError:
+        try:
+            del moves.__dict__[name]
+        except KeyError:
+            raise AttributeError("no such move, %r" % (name,))
+
+
+if PY3:
+    _meth_func = "__func__"
+    _meth_self = "__self__"
+
+    _func_closure = "__closure__"
+    _func_code = "__code__"
+    _func_defaults = "__defaults__"
+    _func_globals = "__globals__"
+else:
+    _meth_func = "im_func"
+    _meth_self = "im_self"
+
+    _func_closure = "func_closure"
+    _func_code = "func_code"
+    _func_defaults = "func_defaults"
+    _func_globals = "func_globals"
+
+
+try:
+    advance_iterator = next
+except NameError:
+
+    def advance_iterator(it):
+        return it.next()
+
+
+next = advance_iterator
+
+
+try:
+    callable = callable
+except NameError:
+
+    def callable(obj):
+        return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
+
+
+if PY3:
+
+    def get_unbound_function(unbound):
+        return unbound
+
+    create_bound_method = types.MethodType
+
+    def create_unbound_method(func, cls):
+        return func
+
+    Iterator = object
+else:
+
+    def get_unbound_function(unbound):
+        return unbound.im_func
+
+    def create_bound_method(func, obj):
+        return types.MethodType(func, obj, obj.__class__)
+
+    def create_unbound_method(func, cls):
+        return types.MethodType(func, None, cls)
+
+    class Iterator(object):
+        def next(self):
+            return type(self).__next__(self)
+
+    callable = callable
+_add_doc(
+    get_unbound_function, """Get the function out of a possibly unbound function"""
+)
+
+
+get_method_function = operator.attrgetter(_meth_func)
+get_method_self = operator.attrgetter(_meth_self)
+get_function_closure = operator.attrgetter(_func_closure)
+get_function_code = operator.attrgetter(_func_code)
+get_function_defaults = operator.attrgetter(_func_defaults)
+get_function_globals = operator.attrgetter(_func_globals)
+
+
+if PY3:
+
+    def iterkeys(d, **kw):
+        return iter(d.keys(**kw))
+
+    def itervalues(d, **kw):
+        return iter(d.values(**kw))
+
+    def iteritems(d, **kw):
+        return iter(d.items(**kw))
+
+    def iterlists(d, **kw):
+        return iter(d.lists(**kw))
+
+    viewkeys = operator.methodcaller("keys")
+
+    viewvalues = operator.methodcaller("values")
+
+    viewitems = operator.methodcaller("items")
+else:
+
+    def iterkeys(d, **kw):
+        return d.iterkeys(**kw)
+
+    def itervalues(d, **kw):
+        return d.itervalues(**kw)
+
+    def iteritems(d, **kw):
+        return d.iteritems(**kw)
+
+    def iterlists(d, **kw):
+        return d.iterlists(**kw)
+
+    viewkeys = operator.methodcaller("viewkeys")
+
+    viewvalues = operator.methodcaller("viewvalues")
+
+    viewitems = operator.methodcaller("viewitems")
+
+_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.")
+_add_doc(itervalues, "Return an iterator over the values of a dictionary.")
+_add_doc(iteritems, "Return an iterator over the (key, value) pairs of a dictionary.")
+_add_doc(
+    iterlists, "Return an iterator over the (key, [values]) pairs of a dictionary."
+)
+
+
+if PY3:
+
+    def b(s):
+        return s.encode("latin-1")
+
+    def u(s):
+        return s
+
+    unichr = chr
+    import struct
+
+    int2byte = struct.Struct(">B").pack
+    del struct
+    byte2int = operator.itemgetter(0)
+    indexbytes = operator.getitem
+    iterbytes = iter
+    import io
+
+    StringIO = io.StringIO
+    BytesIO = io.BytesIO
+    del io
+    _assertCountEqual = "assertCountEqual"
+    if sys.version_info[1] <= 1:
+        _assertRaisesRegex = "assertRaisesRegexp"
+        _assertRegex = "assertRegexpMatches"
+        _assertNotRegex = "assertNotRegexpMatches"
+    else:
+        _assertRaisesRegex = "assertRaisesRegex"
+        _assertRegex = "assertRegex"
+        _assertNotRegex = "assertNotRegex"
+else:
+
+    def b(s):
+        return s
+
+    # Workaround for standalone backslash
+
+    def u(s):
+        return unicode(s.replace(r"\\", r"\\\\"), "unicode_escape")
+
+    unichr = unichr
+    int2byte = chr
+
+    def byte2int(bs):
+        return ord(bs[0])
+
+    def indexbytes(buf, i):
+        return ord(buf[i])
+
+    iterbytes = functools.partial(itertools.imap, ord)
+    import StringIO
+
+    StringIO = BytesIO = StringIO.StringIO
+    _assertCountEqual = "assertItemsEqual"
+    _assertRaisesRegex = "assertRaisesRegexp"
+    _assertRegex = "assertRegexpMatches"
+    _assertNotRegex = "assertNotRegexpMatches"
+_add_doc(b, """Byte literal""")
+_add_doc(u, """Text literal""")
+
+
+def assertCountEqual(self, *args, **kwargs):
+    return getattr(self, _assertCountEqual)(*args, **kwargs)
+
+
+def assertRaisesRegex(self, *args, **kwargs):
+    return getattr(self, _assertRaisesRegex)(*args, **kwargs)
+
+
+def assertRegex(self, *args, **kwargs):
+    return getattr(self, _assertRegex)(*args, **kwargs)
+
+
+def assertNotRegex(self, *args, **kwargs):
+    return getattr(self, _assertNotRegex)(*args, **kwargs)
+
+
+if PY3:
+    exec_ = getattr(moves.builtins, "exec")
+
+    def reraise(tp, value, tb=None):
+        try:
+            if value is None:
+                value = tp()
+            if value.__traceback__ is not tb:
+                raise value.with_traceback(tb)
+            raise value
+        finally:
+            value = None
+            tb = None
+
+else:
+
+    def exec_(_code_, _globs_=None, _locs_=None):
+        """Execute code in a namespace."""
+        if _globs_ is None:
+            frame = sys._getframe(1)
+            _globs_ = frame.f_globals
+            if _locs_ is None:
+                _locs_ = frame.f_locals
+            del frame
+        elif _locs_ is None:
+            _locs_ = _globs_
+        exec ("""exec _code_ in _globs_, _locs_""")
+
+    exec_(
+        """def reraise(tp, value, tb=None):
+    try:
+        raise tp, value, tb
+    finally:
+        tb = None
+"""
+    )
+
+
+if sys.version_info[:2] > (3,):
+    exec_(
+        """def raise_from(value, from_value):
+    try:
+        raise value from from_value
+    finally:
+        value = None
+"""
+    )
+else:
+
+    def raise_from(value, from_value):
+        raise value
+
+
+print_ = getattr(moves.builtins, "print", None)
+if print_ is None:
+
+    def print_(*args, **kwargs):
+        """The new-style print function for Python 2.4 and 2.5."""
+        fp = kwargs.pop("file", sys.stdout)
+        if fp is None:
+            return
+
+        def write(data):
+            if not isinstance(data, basestring):
+                data = str(data)
+            # If the file has an encoding, encode unicode with it.
+            if (
+                isinstance(fp, file)
+                and isinstance(data, unicode)
+                and fp.encoding is not None
+            ):
+                errors = getattr(fp, "errors", None)
+                if errors is None:
+                    errors = "strict"
+                data = data.encode(fp.encoding, errors)
+            fp.write(data)
+
+        want_unicode = False
+        sep = kwargs.pop("sep", None)
+        if sep is not None:
+            if isinstance(sep, unicode):
+                want_unicode = True
+            elif not isinstance(sep, str):
+                raise TypeError("sep must be None or a string")
+        end = kwargs.pop("end", None)
+        if end is not None:
+            if isinstance(end, unicode):
+                want_unicode = True
+            elif not isinstance(end, str):
+                raise TypeError("end must be None or a string")
+        if kwargs:
+            raise TypeError("invalid keyword arguments to print()")
+        if not want_unicode:
+            for arg in args:
+                if isinstance(arg, unicode):
+                    want_unicode = True
+                    break
+        if want_unicode:
+            newline = unicode("\n")
+            space = unicode(" ")
+        else:
+            newline = "\n"
+            space = " "
+        if sep is None:
+            sep = space
+        if end is None:
+            end = newline
+        for i, arg in enumerate(args):
+            if i:
+                write(sep)
+            write(arg)
+        write(end)
+
+
+if sys.version_info[:2] < (3, 3):
+    _print = print_
+
+    def print_(*args, **kwargs):
+        fp = kwargs.get("file", sys.stdout)
+        flush = kwargs.pop("flush", False)
+        _print(*args, **kwargs)
+        if flush and fp is not None:
+            fp.flush()
+
+
+_add_doc(reraise, """Reraise an exception.""")
+
+if sys.version_info[0:2] < (3, 4):
+    # This does exactly the same what the :func:`py3:functools.update_wrapper`
+    # function does on Python versions after 3.2. It sets the ``__wrapped__``
+    # attribute on ``wrapper`` object and it doesn't raise an error if any of
+    # the attributes mentioned in ``assigned`` and ``updated`` are missing on
+    # ``wrapped`` object.
+    def _update_wrapper(
+        wrapper,
+        wrapped,
+        assigned=functools.WRAPPER_ASSIGNMENTS,
+        updated=functools.WRAPPER_UPDATES,
+    ):
+        for attr in assigned:
+            try:
+                value = getattr(wrapped, attr)
+            except AttributeError:
+                continue
+            else:
+                setattr(wrapper, attr, value)
+        for attr in updated:
+            getattr(wrapper, attr).update(getattr(wrapped, attr, {}))
+        wrapper.__wrapped__ = wrapped
+        return wrapper
+
+    _update_wrapper.__doc__ = functools.update_wrapper.__doc__
+
+    def wraps(
+        wrapped,
+        assigned=functools.WRAPPER_ASSIGNMENTS,
+        updated=functools.WRAPPER_UPDATES,
+    ):
+        return functools.partial(
+            _update_wrapper, wrapped=wrapped, assigned=assigned, updated=updated
+        )
+
+    wraps.__doc__ = functools.wraps.__doc__
+
+else:
+    wraps = functools.wraps
+
+
+def with_metaclass(meta, *bases):
+    """Create a base class with a metaclass."""
+    # This requires a bit of explanation: the basic idea is to make a dummy
+    # metaclass for one level of class instantiation that replaces itself with
+    # the actual metaclass.
+    class metaclass(type):
+        def __new__(cls, name, this_bases, d):
+            if sys.version_info[:2] >= (3, 7):
+                # This version introduced PEP 560 that requires a bit
+                # of extra care (we mimic what is done by __build_class__).
+                resolved_bases = types.resolve_bases(bases)
+                if resolved_bases is not bases:
+                    d["__orig_bases__"] = bases
+            else:
+                resolved_bases = bases
+            return meta(name, resolved_bases, d)
+
+        @classmethod
+        def __prepare__(cls, name, this_bases):
+            return meta.__prepare__(name, bases)
+
+    return type.__new__(metaclass, "temporary_class", (), {})
+
+
+def add_metaclass(metaclass):
+    """Class decorator for creating a class with a metaclass."""
+
+    def wrapper(cls):
+        orig_vars = cls.__dict__.copy()
+        slots = orig_vars.get("__slots__")
+        if slots is not None:
+            if isinstance(slots, str):
+                slots = [slots]
+            for slots_var in slots:
+                orig_vars.pop(slots_var)
+        orig_vars.pop("__dict__", None)
+        orig_vars.pop("__weakref__", None)
+        if hasattr(cls, "__qualname__"):
+            orig_vars["__qualname__"] = cls.__qualname__
+        return metaclass(cls.__name__, cls.__bases__, orig_vars)
+
+    return wrapper
+
+
+def ensure_binary(s, encoding="utf-8", errors="strict"):
+    """Coerce **s** to six.binary_type.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> encoded to `bytes`
+      - `bytes` -> `bytes`
+    """
+    if isinstance(s, binary_type):
+        return s
+    if isinstance(s, text_type):
+        return s.encode(encoding, errors)
+    raise TypeError("not expecting type '%s'" % type(s))
+
+
+def ensure_str(s, encoding="utf-8", errors="strict"):
+    """Coerce *s* to `str`.
+
+    For Python 2:
+      - `unicode` -> encoded to `str`
+      - `str` -> `str`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    # Optimization: Fast return for the common case.
+    if type(s) is str:
+        return s
+    if PY2 and isinstance(s, text_type):
+        return s.encode(encoding, errors)
+    elif PY3 and isinstance(s, binary_type):
+        return s.decode(encoding, errors)
+    elif not isinstance(s, (text_type, binary_type)):
+        raise TypeError("not expecting type '%s'" % type(s))
+    return s
+
+
+def ensure_text(s, encoding="utf-8", errors="strict"):
+    """Coerce *s* to six.text_type.
+
+    For Python 2:
+      - `unicode` -> `unicode`
+      - `str` -> `unicode`
+
+    For Python 3:
+      - `str` -> `str`
+      - `bytes` -> decoded to `str`
+    """
+    if isinstance(s, binary_type):
+        return s.decode(encoding, errors)
+    elif isinstance(s, text_type):
+        return s
+    else:
+        raise TypeError("not expecting type '%s'" % type(s))
+
+
+def python_2_unicode_compatible(klass):
+    """
+    A class decorator that defines __unicode__ and __str__ methods under Python 2.
+    Under Python 3 it does nothing.
+
+    To support Python 2 and 3 with a single code base, define a __str__ method
+    returning text and apply this decorator to the class.
+    """
+    if PY2:
+        if "__str__" not in klass.__dict__:
+            raise ValueError(
+                "@python_2_unicode_compatible cannot be applied "
+                "to %s because it doesn't define __str__()." % klass.__name__
+            )
+        klass.__unicode__ = klass.__str__
+        klass.__str__ = lambda self: self.__unicode__().encode("utf-8")
+    return klass
+
+
+# Complete the moves implementation.
+# This code is at the end of this module to speed up module loading.
+# Turn this module into a package.
+__path__ = []  # required for PEP 302 and PEP 451
+__package__ = __name__  # see PEP 366 @ReservedAssignment
+if globals().get("__spec__") is not None:
+    __spec__.submodule_search_locations = []  # PEP 451 @UndefinedVariable
+# Remove other six meta path importers, since they cause problems. This can
+# happen if six is removed from sys.modules and then reloaded. (Setuptools does
+# this for some reason.)
+if sys.meta_path:
+    for i, importer in enumerate(sys.meta_path):
+        # Here's some real nastiness: Another "instance" of the six module might
+        # be floating around. Therefore, we can't use isinstance() to check for
+        # the six meta path importer, since the other six instance will have
+        # inserted an importer with different class.
+        if (
+            type(importer).__name__ == "_SixMetaPathImporter"
+            and importer.name == __name__
+        ):
+            del sys.meta_path[i]
+            break
+    del i, importer
+# Finally, add the importer to the meta path import hook.
+sys.meta_path.append(_importer)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/poolmanager.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/poolmanager.py
new file mode 100644
index 00000000..14b10daf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/poolmanager.py
@@ -0,0 +1,537 @@
+from __future__ import absolute_import
+
+import collections
+import functools
+import logging
+
+from ._collections import RecentlyUsedContainer
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool, port_by_scheme
+from .exceptions import (
+    LocationValueError,
+    MaxRetryError,
+    ProxySchemeUnknown,
+    ProxySchemeUnsupported,
+    URLSchemeUnknown,
+)
+from .packages import six
+from .packages.six.moves.urllib.parse import urljoin
+from .request import RequestMethods
+from .util.proxy import connection_requires_http_tunnel
+from .util.retry import Retry
+from .util.url import parse_url
+
+__all__ = ["PoolManager", "ProxyManager", "proxy_from_url"]
+
+
+log = logging.getLogger(__name__)
+
+SSL_KEYWORDS = (
+    "key_file",
+    "cert_file",
+    "cert_reqs",
+    "ca_certs",
+    "ssl_version",
+    "ca_cert_dir",
+    "ssl_context",
+    "key_password",
+    "server_hostname",
+)
+
+# All known keyword arguments that could be provided to the pool manager, its
+# pools, or the underlying connections. This is used to construct a pool key.
+_key_fields = (
+    "key_scheme",  # str
+    "key_host",  # str
+    "key_port",  # int
+    "key_timeout",  # int or float or Timeout
+    "key_retries",  # int or Retry
+    "key_strict",  # bool
+    "key_block",  # bool
+    "key_source_address",  # str
+    "key_key_file",  # str
+    "key_key_password",  # str
+    "key_cert_file",  # str
+    "key_cert_reqs",  # str
+    "key_ca_certs",  # str
+    "key_ssl_version",  # str
+    "key_ca_cert_dir",  # str
+    "key_ssl_context",  # instance of ssl.SSLContext or urllib3.util.ssl_.SSLContext
+    "key_maxsize",  # int
+    "key_headers",  # dict
+    "key__proxy",  # parsed proxy url
+    "key__proxy_headers",  # dict
+    "key__proxy_config",  # class
+    "key_socket_options",  # list of (level (int), optname (int), value (int or str)) tuples
+    "key__socks_options",  # dict
+    "key_assert_hostname",  # bool or string
+    "key_assert_fingerprint",  # str
+    "key_server_hostname",  # str
+)
+
+#: The namedtuple class used to construct keys for the connection pool.
+#: All custom key schemes should include the fields in this key at a minimum.
+PoolKey = collections.namedtuple("PoolKey", _key_fields)
+
+_proxy_config_fields = ("ssl_context", "use_forwarding_for_https")
+ProxyConfig = collections.namedtuple("ProxyConfig", _proxy_config_fields)
+
+
+def _default_key_normalizer(key_class, request_context):
+    """
+    Create a pool key out of a request context dictionary.
+
+    According to RFC 3986, both the scheme and host are case-insensitive.
+    Therefore, this function normalizes both before constructing the pool
+    key for an HTTPS request. If you wish to change this behaviour, provide
+    alternate callables to ``key_fn_by_scheme``.
+
+    :param key_class:
+        The class to use when constructing the key. This should be a namedtuple
+        with the ``scheme`` and ``host`` keys at a minimum.
+    :type  key_class: namedtuple
+    :param request_context:
+        A dictionary-like object that contain the context for a request.
+    :type  request_context: dict
+
+    :return: A namedtuple that can be used as a connection pool key.
+    :rtype:  PoolKey
+    """
+    # Since we mutate the dictionary, make a copy first
+    context = request_context.copy()
+    context["scheme"] = context["scheme"].lower()
+    context["host"] = context["host"].lower()
+
+    # These are both dictionaries and need to be transformed into frozensets
+    for key in ("headers", "_proxy_headers", "_socks_options"):
+        if key in context and context[key] is not None:
+            context[key] = frozenset(context[key].items())
+
+    # The socket_options key may be a list and needs to be transformed into a
+    # tuple.
+    socket_opts = context.get("socket_options")
+    if socket_opts is not None:
+        context["socket_options"] = tuple(socket_opts)
+
+    # Map the kwargs to the names in the namedtuple - this is necessary since
+    # namedtuples can't have fields starting with '_'.
+    for key in list(context.keys()):
+        context["key_" + key] = context.pop(key)
+
+    # Default to ``None`` for keys missing from the context
+    for field in key_class._fields:
+        if field not in context:
+            context[field] = None
+
+    return key_class(**context)
+
+
+#: A dictionary that maps a scheme to a callable that creates a pool key.
+#: This can be used to alter the way pool keys are constructed, if desired.
+#: Each PoolManager makes a copy of this dictionary so they can be configured
+#: globally here, or individually on the instance.
+key_fn_by_scheme = {
+    "http": functools.partial(_default_key_normalizer, PoolKey),
+    "https": functools.partial(_default_key_normalizer, PoolKey),
+}
+
+pool_classes_by_scheme = {"http": HTTPConnectionPool, "https": HTTPSConnectionPool}
+
+
+class PoolManager(RequestMethods):
+    """
+    Allows for arbitrary requests while transparently keeping track of
+    necessary connection pools for you.
+
+    :param num_pools:
+        Number of connection pools to cache before discarding the least
+        recently used pool.
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+
+    :param \\**connection_pool_kw:
+        Additional parameters are used to create fresh
+        :class:`urllib3.connectionpool.ConnectionPool` instances.
+
+    Example::
+
+        >>> manager = PoolManager(num_pools=2)
+        >>> r = manager.request('GET', 'http://google.com/')
+        >>> r = manager.request('GET', 'http://google.com/mail')
+        >>> r = manager.request('GET', 'http://yahoo.com/')
+        >>> len(manager.pools)
+        2
+
+    """
+
+    proxy = None
+    proxy_config = None
+
+    def __init__(self, num_pools=10, headers=None, **connection_pool_kw):
+        RequestMethods.__init__(self, headers)
+        self.connection_pool_kw = connection_pool_kw
+        self.pools = RecentlyUsedContainer(num_pools)
+
+        # Locally set the pool classes and keys so other PoolManagers can
+        # override them.
+        self.pool_classes_by_scheme = pool_classes_by_scheme
+        self.key_fn_by_scheme = key_fn_by_scheme.copy()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.clear()
+        # Return False to re-raise any potential exceptions
+        return False
+
+    def _new_pool(self, scheme, host, port, request_context=None):
+        """
+        Create a new :class:`urllib3.connectionpool.ConnectionPool` based on host, port, scheme, and
+        any additional pool keyword arguments.
+
+        If ``request_context`` is provided, it is provided as keyword arguments
+        to the pool class used. This method is used to actually create the
+        connection pools handed out by :meth:`connection_from_url` and
+        companion methods. It is intended to be overridden for customization.
+        """
+        pool_cls = self.pool_classes_by_scheme[scheme]
+        if request_context is None:
+            request_context = self.connection_pool_kw.copy()
+
+        # Although the context has everything necessary to create the pool,
+        # this function has historically only used the scheme, host, and port
+        # in the positional args. When an API change is acceptable these can
+        # be removed.
+        for key in ("scheme", "host", "port"):
+            request_context.pop(key, None)
+
+        if scheme == "http":
+            for kw in SSL_KEYWORDS:
+                request_context.pop(kw, None)
+
+        return pool_cls(host, port, **request_context)
+
+    def clear(self):
+        """
+        Empty our store of pools and direct them all to close.
+
+        This will not affect in-flight connections, but they will not be
+        re-used after completion.
+        """
+        self.pools.clear()
+
+    def connection_from_host(self, host, port=None, scheme="http", pool_kwargs=None):
+        """
+        Get a :class:`urllib3.connectionpool.ConnectionPool` based on the host, port, and scheme.
+
+        If ``port`` isn't given, it will be derived from the ``scheme`` using
+        ``urllib3.connectionpool.port_by_scheme``. If ``pool_kwargs`` is
+        provided, it is merged with the instance's ``connection_pool_kw``
+        variable and used to create the new connection pool, if one is
+        needed.
+        """
+
+        if not host:
+            raise LocationValueError("No host specified.")
+
+        request_context = self._merge_pool_kwargs(pool_kwargs)
+        request_context["scheme"] = scheme or "http"
+        if not port:
+            port = port_by_scheme.get(request_context["scheme"].lower(), 80)
+        request_context["port"] = port
+        request_context["host"] = host
+
+        return self.connection_from_context(request_context)
+
+    def connection_from_context(self, request_context):
+        """
+        Get a :class:`urllib3.connectionpool.ConnectionPool` based on the request context.
+
+        ``request_context`` must at least contain the ``scheme`` key and its
+        value must be a key in ``key_fn_by_scheme`` instance variable.
+        """
+        scheme = request_context["scheme"].lower()
+        pool_key_constructor = self.key_fn_by_scheme.get(scheme)
+        if not pool_key_constructor:
+            raise URLSchemeUnknown(scheme)
+        pool_key = pool_key_constructor(request_context)
+
+        return self.connection_from_pool_key(pool_key, request_context=request_context)
+
+    def connection_from_pool_key(self, pool_key, request_context=None):
+        """
+        Get a :class:`urllib3.connectionpool.ConnectionPool` based on the provided pool key.
+
+        ``pool_key`` should be a namedtuple that only contains immutable
+        objects. At a minimum it must have the ``scheme``, ``host``, and
+        ``port`` fields.
+        """
+        with self.pools.lock:
+            # If the scheme, host, or port doesn't match existing open
+            # connections, open a new ConnectionPool.
+            pool = self.pools.get(pool_key)
+            if pool:
+                return pool
+
+            # Make a fresh ConnectionPool of the desired type
+            scheme = request_context["scheme"]
+            host = request_context["host"]
+            port = request_context["port"]
+            pool = self._new_pool(scheme, host, port, request_context=request_context)
+            self.pools[pool_key] = pool
+
+        return pool
+
+    def connection_from_url(self, url, pool_kwargs=None):
+        """
+        Similar to :func:`urllib3.connectionpool.connection_from_url`.
+
+        If ``pool_kwargs`` is not provided and a new pool needs to be
+        constructed, ``self.connection_pool_kw`` is used to initialize
+        the :class:`urllib3.connectionpool.ConnectionPool`. If ``pool_kwargs``
+        is provided, it is used instead. Note that if a new pool does not
+        need to be created for the request, the provided ``pool_kwargs`` are
+        not used.
+        """
+        u = parse_url(url)
+        return self.connection_from_host(
+            u.host, port=u.port, scheme=u.scheme, pool_kwargs=pool_kwargs
+        )
+
+    def _merge_pool_kwargs(self, override):
+        """
+        Merge a dictionary of override values for self.connection_pool_kw.
+
+        This does not modify self.connection_pool_kw and returns a new dict.
+        Any keys in the override dictionary with a value of ``None`` are
+        removed from the merged dictionary.
+        """
+        base_pool_kwargs = self.connection_pool_kw.copy()
+        if override:
+            for key, value in override.items():
+                if value is None:
+                    try:
+                        del base_pool_kwargs[key]
+                    except KeyError:
+                        pass
+                else:
+                    base_pool_kwargs[key] = value
+        return base_pool_kwargs
+
+    def _proxy_requires_url_absolute_form(self, parsed_url):
+        """
+        Indicates if the proxy requires the complete destination URL in the
+        request.  Normally this is only needed when not using an HTTP CONNECT
+        tunnel.
+        """
+        if self.proxy is None:
+            return False
+
+        return not connection_requires_http_tunnel(
+            self.proxy, self.proxy_config, parsed_url.scheme
+        )
+
+    def _validate_proxy_scheme_url_selection(self, url_scheme):
+        """
+        Validates that were not attempting to do TLS in TLS connections on
+        Python2 or with unsupported SSL implementations.
+        """
+        if self.proxy is None or url_scheme != "https":
+            return
+
+        if self.proxy.scheme != "https":
+            return
+
+        if six.PY2 and not self.proxy_config.use_forwarding_for_https:
+            raise ProxySchemeUnsupported(
+                "Contacting HTTPS destinations through HTTPS proxies "
+                "'via CONNECT tunnels' is not supported in Python 2"
+            )
+
+    def urlopen(self, method, url, redirect=True, **kw):
+        """
+        Same as :meth:`urllib3.HTTPConnectionPool.urlopen`
+        with custom cross-host redirect logic and only sends the request-uri
+        portion of the ``url``.
+
+        The given ``url`` parameter must be absolute, such that an appropriate
+        :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it.
+        """
+        u = parse_url(url)
+        self._validate_proxy_scheme_url_selection(u.scheme)
+
+        conn = self.connection_from_host(u.host, port=u.port, scheme=u.scheme)
+
+        kw["assert_same_host"] = False
+        kw["redirect"] = False
+
+        if "headers" not in kw:
+            kw["headers"] = self.headers.copy()
+
+        if self._proxy_requires_url_absolute_form(u):
+            response = conn.urlopen(method, url, **kw)
+        else:
+            response = conn.urlopen(method, u.request_uri, **kw)
+
+        redirect_location = redirect and response.get_redirect_location()
+        if not redirect_location:
+            return response
+
+        # Support relative URLs for redirecting.
+        redirect_location = urljoin(url, redirect_location)
+
+        # RFC 7231, Section 6.4.4
+        if response.status == 303:
+            method = "GET"
+
+        retries = kw.get("retries")
+        if not isinstance(retries, Retry):
+            retries = Retry.from_int(retries, redirect=redirect)
+
+        # Strip headers marked as unsafe to forward to the redirected location.
+        # Check remove_headers_on_redirect to avoid a potential network call within
+        # conn.is_same_host() which may use socket.gethostbyname() in the future.
+        if retries.remove_headers_on_redirect and not conn.is_same_host(
+            redirect_location
+        ):
+            headers = list(six.iterkeys(kw["headers"]))
+            for header in headers:
+                if header.lower() in retries.remove_headers_on_redirect:
+                    kw["headers"].pop(header, None)
+
+        try:
+            retries = retries.increment(method, url, response=response, _pool=conn)
+        except MaxRetryError:
+            if retries.raise_on_redirect:
+                response.drain_conn()
+                raise
+            return response
+
+        kw["retries"] = retries
+        kw["redirect"] = redirect
+
+        log.info("Redirecting %s -> %s", url, redirect_location)
+
+        response.drain_conn()
+        return self.urlopen(method, redirect_location, **kw)
+
+
+class ProxyManager(PoolManager):
+    """
+    Behaves just like :class:`PoolManager`, but sends all requests through
+    the defined proxy, using the CONNECT method for HTTPS URLs.
+
+    :param proxy_url:
+        The URL of the proxy to be used.
+
+    :param proxy_headers:
+        A dictionary containing headers that will be sent to the proxy. In case
+        of HTTP they are being sent with each request, while in the
+        HTTPS/CONNECT case they are sent only once. Could be used for proxy
+        authentication.
+
+    :param proxy_ssl_context:
+        The proxy SSL context is used to establish the TLS connection to the
+        proxy when using HTTPS proxies.
+
+    :param use_forwarding_for_https:
+        (Defaults to False) If set to True will forward requests to the HTTPS
+        proxy to be made on behalf of the client instead of creating a TLS
+        tunnel via the CONNECT method. **Enabling this flag means that request
+        and response headers and content will be visible from the HTTPS proxy**
+        whereas tunneling keeps request and response headers and content
+        private.  IP address, target hostname, SNI, and port are always visible
+        to an HTTPS proxy even when this flag is disabled.
+
+    Example:
+        >>> proxy = urllib3.ProxyManager('http://localhost:3128/')
+        >>> r1 = proxy.request('GET', 'http://google.com/')
+        >>> r2 = proxy.request('GET', 'http://httpbin.org/')
+        >>> len(proxy.pools)
+        1
+        >>> r3 = proxy.request('GET', 'https://httpbin.org/')
+        >>> r4 = proxy.request('GET', 'https://twitter.com/')
+        >>> len(proxy.pools)
+        3
+
+    """
+
+    def __init__(
+        self,
+        proxy_url,
+        num_pools=10,
+        headers=None,
+        proxy_headers=None,
+        proxy_ssl_context=None,
+        use_forwarding_for_https=False,
+        **connection_pool_kw
+    ):
+
+        if isinstance(proxy_url, HTTPConnectionPool):
+            proxy_url = "%s://%s:%i" % (
+                proxy_url.scheme,
+                proxy_url.host,
+                proxy_url.port,
+            )
+        proxy = parse_url(proxy_url)
+
+        if proxy.scheme not in ("http", "https"):
+            raise ProxySchemeUnknown(proxy.scheme)
+
+        if not proxy.port:
+            port = port_by_scheme.get(proxy.scheme, 80)
+            proxy = proxy._replace(port=port)
+
+        self.proxy = proxy
+        self.proxy_headers = proxy_headers or {}
+        self.proxy_ssl_context = proxy_ssl_context
+        self.proxy_config = ProxyConfig(proxy_ssl_context, use_forwarding_for_https)
+
+        connection_pool_kw["_proxy"] = self.proxy
+        connection_pool_kw["_proxy_headers"] = self.proxy_headers
+        connection_pool_kw["_proxy_config"] = self.proxy_config
+
+        super(ProxyManager, self).__init__(num_pools, headers, **connection_pool_kw)
+
+    def connection_from_host(self, host, port=None, scheme="http", pool_kwargs=None):
+        if scheme == "https":
+            return super(ProxyManager, self).connection_from_host(
+                host, port, scheme, pool_kwargs=pool_kwargs
+            )
+
+        return super(ProxyManager, self).connection_from_host(
+            self.proxy.host, self.proxy.port, self.proxy.scheme, pool_kwargs=pool_kwargs
+        )
+
+    def _set_proxy_headers(self, url, headers=None):
+        """
+        Sets headers needed by proxies: specifically, the Accept and Host
+        headers. Only sets headers not provided by the user.
+        """
+        headers_ = {"Accept": "*/*"}
+
+        netloc = parse_url(url).netloc
+        if netloc:
+            headers_["Host"] = netloc
+
+        if headers:
+            headers_.update(headers)
+        return headers_
+
+    def urlopen(self, method, url, redirect=True, **kw):
+        "Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute."
+        u = parse_url(url)
+        if not connection_requires_http_tunnel(self.proxy, self.proxy_config, u.scheme):
+            # For connections using HTTP CONNECT, httplib sets the necessary
+            # headers on the CONNECT to the proxy. If we're not using CONNECT,
+            # we'll definitely need to set 'Host' at the very least.
+            headers = kw.get("headers", self.headers)
+            kw["headers"] = self._set_proxy_headers(url, headers)
+
+        return super(ProxyManager, self).urlopen(method, url, redirect=redirect, **kw)
+
+
+def proxy_from_url(url, **kw):
+    return ProxyManager(proxy_url=url, **kw)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/request.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/request.py
new file mode 100644
index 00000000..3b4cf999
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/request.py
@@ -0,0 +1,191 @@
+from __future__ import absolute_import
+
+import sys
+
+from .filepost import encode_multipart_formdata
+from .packages import six
+from .packages.six.moves.urllib.parse import urlencode
+
+__all__ = ["RequestMethods"]
+
+
+class RequestMethods(object):
+    """
+    Convenience mixin for classes who implement a :meth:`urlopen` method, such
+    as :class:`urllib3.HTTPConnectionPool` and
+    :class:`urllib3.PoolManager`.
+
+    Provides behavior for making common types of HTTP request methods and
+    decides which type of request field encoding to use.
+
+    Specifically,
+
+    :meth:`.request_encode_url` is for sending requests whose fields are
+    encoded in the URL (such as GET, HEAD, DELETE).
+
+    :meth:`.request_encode_body` is for sending requests whose fields are
+    encoded in the *body* of the request using multipart or www-form-urlencoded
+    (such as for POST, PUT, PATCH).
+
+    :meth:`.request` is for making any kind of request, it will look up the
+    appropriate encoding format and use one of the above two methods to make
+    the request.
+
+    Initializer parameters:
+
+    :param headers:
+        Headers to include with all requests, unless other headers are given
+        explicitly.
+    """
+
+    _encode_url_methods = {"DELETE", "GET", "HEAD", "OPTIONS"}
+
+    def __init__(self, headers=None):
+        self.headers = headers or {}
+
+    def urlopen(
+        self,
+        method,
+        url,
+        body=None,
+        headers=None,
+        encode_multipart=True,
+        multipart_boundary=None,
+        **kw
+    ):  # Abstract
+        raise NotImplementedError(
+            "Classes extending RequestMethods must implement "
+            "their own ``urlopen`` method."
+        )
+
+    def request(self, method, url, fields=None, headers=None, **urlopen_kw):
+        """
+        Make a request using :meth:`urlopen` with the appropriate encoding of
+        ``fields`` based on the ``method`` used.
+
+        This is a convenience method that requires the least amount of manual
+        effort. It can be used in most situations, while still having the
+        option to drop down to more specific methods when necessary, such as
+        :meth:`request_encode_url`, :meth:`request_encode_body`,
+        or even the lowest level :meth:`urlopen`.
+        """
+        method = method.upper()
+
+        urlopen_kw["request_url"] = url
+
+        if method in self._encode_url_methods:
+            return self.request_encode_url(
+                method, url, fields=fields, headers=headers, **urlopen_kw
+            )
+        else:
+            return self.request_encode_body(
+                method, url, fields=fields, headers=headers, **urlopen_kw
+            )
+
+    def request_encode_url(self, method, url, fields=None, headers=None, **urlopen_kw):
+        """
+        Make a request using :meth:`urlopen` with the ``fields`` encoded in
+        the url. This is useful for request methods like GET, HEAD, DELETE, etc.
+        """
+        if headers is None:
+            headers = self.headers
+
+        extra_kw = {"headers": headers}
+        extra_kw.update(urlopen_kw)
+
+        if fields:
+            url += "?" + urlencode(fields)
+
+        return self.urlopen(method, url, **extra_kw)
+
+    def request_encode_body(
+        self,
+        method,
+        url,
+        fields=None,
+        headers=None,
+        encode_multipart=True,
+        multipart_boundary=None,
+        **urlopen_kw
+    ):
+        """
+        Make a request using :meth:`urlopen` with the ``fields`` encoded in
+        the body. This is useful for request methods like POST, PUT, PATCH, etc.
+
+        When ``encode_multipart=True`` (default), then
+        :func:`urllib3.encode_multipart_formdata` is used to encode
+        the payload with the appropriate content type. Otherwise
+        :func:`urllib.parse.urlencode` is used with the
+        'application/x-www-form-urlencoded' content type.
+
+        Multipart encoding must be used when posting files, and it's reasonably
+        safe to use it in other times too. However, it may break request
+        signing, such as with OAuth.
+
+        Supports an optional ``fields`` parameter of key/value strings AND
+        key/filetuple. A filetuple is a (filename, data, MIME type) tuple where
+        the MIME type is optional. For example::
+
+            fields = {
+                'foo': 'bar',
+                'fakefile': ('foofile.txt', 'contents of foofile'),
+                'realfile': ('barfile.txt', open('realfile').read()),
+                'typedfile': ('bazfile.bin', open('bazfile').read(),
+                              'image/jpeg'),
+                'nonamefile': 'contents of nonamefile field',
+            }
+
+        When uploading a file, providing a filename (the first parameter of the
+        tuple) is optional but recommended to best mimic behavior of browsers.
+
+        Note that if ``headers`` are supplied, the 'Content-Type' header will
+        be overwritten because it depends on the dynamic random boundary string
+        which is used to compose the body of the request. The random boundary
+        string can be explicitly set with the ``multipart_boundary`` parameter.
+        """
+        if headers is None:
+            headers = self.headers
+
+        extra_kw = {"headers": {}}
+
+        if fields:
+            if "body" in urlopen_kw:
+                raise TypeError(
+                    "request got values for both 'fields' and 'body', can only specify one."
+                )
+
+            if encode_multipart:
+                body, content_type = encode_multipart_formdata(
+                    fields, boundary=multipart_boundary
+                )
+            else:
+                body, content_type = (
+                    urlencode(fields),
+                    "application/x-www-form-urlencoded",
+                )
+
+            extra_kw["body"] = body
+            extra_kw["headers"] = {"Content-Type": content_type}
+
+        extra_kw["headers"].update(headers)
+        extra_kw.update(urlopen_kw)
+
+        return self.urlopen(method, url, **extra_kw)
+
+
+if not six.PY2:
+
+    class RequestModule(sys.modules[__name__].__class__):
+        def __call__(self, *args, **kwargs):
+            """
+            If user tries to call this module directly urllib3 v2.x style raise an error to the user
+            suggesting they may need urllib3 v2
+            """
+            raise TypeError(
+                "'module' object is not callable\n"
+                "urllib3.request() method is not supported in this release, "
+                "upgrade to urllib3 v2 to use it\n"
+                "see https://urllib3.readthedocs.io/en/stable/v2-migration-guide.html"
+            )
+
+    sys.modules[__name__].__class__ = RequestModule
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/response.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/response.py
new file mode 100644
index 00000000..8909f845
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/response.py
@@ -0,0 +1,879 @@
+from __future__ import absolute_import
+
+import io
+import logging
+import sys
+import warnings
+import zlib
+from contextlib import contextmanager
+from socket import error as SocketError
+from socket import timeout as SocketTimeout
+
+brotli = None
+
+from . import util
+from ._collections import HTTPHeaderDict
+from .connection import BaseSSLError, HTTPException
+from .exceptions import (
+    BodyNotHttplibCompatible,
+    DecodeError,
+    HTTPError,
+    IncompleteRead,
+    InvalidChunkLength,
+    InvalidHeader,
+    ProtocolError,
+    ReadTimeoutError,
+    ResponseNotChunked,
+    SSLError,
+)
+from .packages import six
+from .util.response import is_fp_closed, is_response_to_head
+
+log = logging.getLogger(__name__)
+
+
+class DeflateDecoder(object):
+    def __init__(self):
+        self._first_try = True
+        self._data = b""
+        self._obj = zlib.decompressobj()
+
+    def __getattr__(self, name):
+        return getattr(self._obj, name)
+
+    def decompress(self, data):
+        if not data:
+            return data
+
+        if not self._first_try:
+            return self._obj.decompress(data)
+
+        self._data += data
+        try:
+            decompressed = self._obj.decompress(data)
+            if decompressed:
+                self._first_try = False
+                self._data = None
+            return decompressed
+        except zlib.error:
+            self._first_try = False
+            self._obj = zlib.decompressobj(-zlib.MAX_WBITS)
+            try:
+                return self.decompress(self._data)
+            finally:
+                self._data = None
+
+
+class GzipDecoderState(object):
+
+    FIRST_MEMBER = 0
+    OTHER_MEMBERS = 1
+    SWALLOW_DATA = 2
+
+
+class GzipDecoder(object):
+    def __init__(self):
+        self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS)
+        self._state = GzipDecoderState.FIRST_MEMBER
+
+    def __getattr__(self, name):
+        return getattr(self._obj, name)
+
+    def decompress(self, data):
+        ret = bytearray()
+        if self._state == GzipDecoderState.SWALLOW_DATA or not data:
+            return bytes(ret)
+        while True:
+            try:
+                ret += self._obj.decompress(data)
+            except zlib.error:
+                previous_state = self._state
+                # Ignore data after the first error
+                self._state = GzipDecoderState.SWALLOW_DATA
+                if previous_state == GzipDecoderState.OTHER_MEMBERS:
+                    # Allow trailing garbage acceptable in other gzip clients
+                    return bytes(ret)
+                raise
+            data = self._obj.unused_data
+            if not data:
+                return bytes(ret)
+            self._state = GzipDecoderState.OTHER_MEMBERS
+            self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS)
+
+
+if brotli is not None:
+
+    class BrotliDecoder(object):
+        # Supports both 'brotlipy' and 'Brotli' packages
+        # since they share an import name. The top branches
+        # are for 'brotlipy' and bottom branches for 'Brotli'
+        def __init__(self):
+            self._obj = brotli.Decompressor()
+            if hasattr(self._obj, "decompress"):
+                self.decompress = self._obj.decompress
+            else:
+                self.decompress = self._obj.process
+
+        def flush(self):
+            if hasattr(self._obj, "flush"):
+                return self._obj.flush()
+            return b""
+
+
+class MultiDecoder(object):
+    """
+    From RFC7231:
+        If one or more encodings have been applied to a representation, the
+        sender that applied the encodings MUST generate a Content-Encoding
+        header field that lists the content codings in the order in which
+        they were applied.
+    """
+
+    def __init__(self, modes):
+        self._decoders = [_get_decoder(m.strip()) for m in modes.split(",")]
+
+    def flush(self):
+        return self._decoders[0].flush()
+
+    def decompress(self, data):
+        for d in reversed(self._decoders):
+            data = d.decompress(data)
+        return data
+
+
+def _get_decoder(mode):
+    if "," in mode:
+        return MultiDecoder(mode)
+
+    if mode == "gzip":
+        return GzipDecoder()
+
+    if brotli is not None and mode == "br":
+        return BrotliDecoder()
+
+    return DeflateDecoder()
+
+
+class HTTPResponse(io.IOBase):
+    """
+    HTTP Response container.
+
+    Backwards-compatible with :class:`http.client.HTTPResponse` but the response ``body`` is
+    loaded and decoded on-demand when the ``data`` property is accessed.  This
+    class is also compatible with the Python standard library's :mod:`io`
+    module, and can hence be treated as a readable object in the context of that
+    framework.
+
+    Extra parameters for behaviour not present in :class:`http.client.HTTPResponse`:
+
+    :param preload_content:
+        If True, the response's body will be preloaded during construction.
+
+    :param decode_content:
+        If True, will attempt to decode the body based on the
+        'content-encoding' header.
+
+    :param original_response:
+        When this HTTPResponse wrapper is generated from an :class:`http.client.HTTPResponse`
+        object, it's convenient to include the original for debug purposes. It's
+        otherwise unused.
+
+    :param retries:
+        The retries contains the last :class:`~urllib3.util.retry.Retry` that
+        was used during the request.
+
+    :param enforce_content_length:
+        Enforce content length checking. Body returned by server must match
+        value of Content-Length header, if present. Otherwise, raise error.
+    """
+
+    CONTENT_DECODERS = ["gzip", "deflate"]
+    if brotli is not None:
+        CONTENT_DECODERS += ["br"]
+    REDIRECT_STATUSES = [301, 302, 303, 307, 308]
+
+    def __init__(
+        self,
+        body="",
+        headers=None,
+        status=0,
+        version=0,
+        reason=None,
+        strict=0,
+        preload_content=True,
+        decode_content=True,
+        original_response=None,
+        pool=None,
+        connection=None,
+        msg=None,
+        retries=None,
+        enforce_content_length=False,
+        request_method=None,
+        request_url=None,
+        auto_close=True,
+    ):
+
+        if isinstance(headers, HTTPHeaderDict):
+            self.headers = headers
+        else:
+            self.headers = HTTPHeaderDict(headers)
+        self.status = status
+        self.version = version
+        self.reason = reason
+        self.strict = strict
+        self.decode_content = decode_content
+        self.retries = retries
+        self.enforce_content_length = enforce_content_length
+        self.auto_close = auto_close
+
+        self._decoder = None
+        self._body = None
+        self._fp = None
+        self._original_response = original_response
+        self._fp_bytes_read = 0
+        self.msg = msg
+        self._request_url = request_url
+
+        if body and isinstance(body, (six.string_types, bytes)):
+            self._body = body
+
+        self._pool = pool
+        self._connection = connection
+
+        if hasattr(body, "read"):
+            self._fp = body
+
+        # Are we using the chunked-style of transfer encoding?
+        self.chunked = False
+        self.chunk_left = None
+        tr_enc = self.headers.get("transfer-encoding", "").lower()
+        # Don't incur the penalty of creating a list and then discarding it
+        encodings = (enc.strip() for enc in tr_enc.split(","))
+        if "chunked" in encodings:
+            self.chunked = True
+
+        # Determine length of response
+        self.length_remaining = self._init_length(request_method)
+
+        # If requested, preload the body.
+        if preload_content and not self._body:
+            self._body = self.read(decode_content=decode_content)
+
+    def get_redirect_location(self):
+        """
+        Should we redirect and where to?
+
+        :returns: Truthy redirect location string if we got a redirect status
+            code and valid location. ``None`` if redirect status and no
+            location. ``False`` if not a redirect status code.
+        """
+        if self.status in self.REDIRECT_STATUSES:
+            return self.headers.get("location")
+
+        return False
+
+    def release_conn(self):
+        if not self._pool or not self._connection:
+            return
+
+        self._pool._put_conn(self._connection)
+        self._connection = None
+
+    def drain_conn(self):
+        """
+        Read and discard any remaining HTTP response data in the response connection.
+
+        Unread data in the HTTPResponse connection blocks the connection from being released back to the pool.
+        """
+        try:
+            self.read()
+        except (HTTPError, SocketError, BaseSSLError, HTTPException):
+            pass
+
+    @property
+    def data(self):
+        # For backwards-compat with earlier urllib3 0.4 and earlier.
+        if self._body:
+            return self._body
+
+        if self._fp:
+            return self.read(cache_content=True)
+
+    @property
+    def connection(self):
+        return self._connection
+
+    def isclosed(self):
+        return is_fp_closed(self._fp)
+
+    def tell(self):
+        """
+        Obtain the number of bytes pulled over the wire so far. May differ from
+        the amount of content returned by :meth:``urllib3.response.HTTPResponse.read``
+        if bytes are encoded on the wire (e.g, compressed).
+        """
+        return self._fp_bytes_read
+
+    def _init_length(self, request_method):
+        """
+        Set initial length value for Response content if available.
+        """
+        length = self.headers.get("content-length")
+
+        if length is not None:
+            if self.chunked:
+                # This Response will fail with an IncompleteRead if it can't be
+                # received as chunked. This method falls back to attempt reading
+                # the response before raising an exception.
+                log.warning(
+                    "Received response with both Content-Length and "
+                    "Transfer-Encoding set. This is expressly forbidden "
+                    "by RFC 7230 sec 3.3.2. Ignoring Content-Length and "
+                    "attempting to process response as Transfer-Encoding: "
+                    "chunked."
+                )
+                return None
+
+            try:
+                # RFC 7230 section 3.3.2 specifies multiple content lengths can
+                # be sent in a single Content-Length header
+                # (e.g. Content-Length: 42, 42). This line ensures the values
+                # are all valid ints and that as long as the `set` length is 1,
+                # all values are the same. Otherwise, the header is invalid.
+                lengths = set([int(val) for val in length.split(",")])
+                if len(lengths) > 1:
+                    raise InvalidHeader(
+                        "Content-Length contained multiple "
+                        "unmatching values (%s)" % length
+                    )
+                length = lengths.pop()
+            except ValueError:
+                length = None
+            else:
+                if length < 0:
+                    length = None
+
+        # Convert status to int for comparison
+        # In some cases, httplib returns a status of "_UNKNOWN"
+        try:
+            status = int(self.status)
+        except ValueError:
+            status = 0
+
+        # Check for responses that shouldn't include a body
+        if status in (204, 304) or 100 <= status < 200 or request_method == "HEAD":
+            length = 0
+
+        return length
+
+    def _init_decoder(self):
+        """
+        Set-up the _decoder attribute if necessary.
+        """
+        # Note: content-encoding value should be case-insensitive, per RFC 7230
+        # Section 3.2
+        content_encoding = self.headers.get("content-encoding", "").lower()
+        if self._decoder is None:
+            if content_encoding in self.CONTENT_DECODERS:
+                self._decoder = _get_decoder(content_encoding)
+            elif "," in content_encoding:
+                encodings = [
+                    e.strip()
+                    for e in content_encoding.split(",")
+                    if e.strip() in self.CONTENT_DECODERS
+                ]
+                if len(encodings):
+                    self._decoder = _get_decoder(content_encoding)
+
+    DECODER_ERROR_CLASSES = (IOError, zlib.error)
+    if brotli is not None:
+        DECODER_ERROR_CLASSES += (brotli.error,)
+
+    def _decode(self, data, decode_content, flush_decoder):
+        """
+        Decode the data passed in and potentially flush the decoder.
+        """
+        if not decode_content:
+            return data
+
+        try:
+            if self._decoder:
+                data = self._decoder.decompress(data)
+        except self.DECODER_ERROR_CLASSES as e:
+            content_encoding = self.headers.get("content-encoding", "").lower()
+            raise DecodeError(
+                "Received response with content-encoding: %s, but "
+                "failed to decode it." % content_encoding,
+                e,
+            )
+        if flush_decoder:
+            data += self._flush_decoder()
+
+        return data
+
+    def _flush_decoder(self):
+        """
+        Flushes the decoder. Should only be called if the decoder is actually
+        being used.
+        """
+        if self._decoder:
+            buf = self._decoder.decompress(b"")
+            return buf + self._decoder.flush()
+
+        return b""
+
+    @contextmanager
+    def _error_catcher(self):
+        """
+        Catch low-level python exceptions, instead re-raising urllib3
+        variants, so that low-level exceptions are not leaked in the
+        high-level api.
+
+        On exit, release the connection back to the pool.
+        """
+        clean_exit = False
+
+        try:
+            try:
+                yield
+
+            except SocketTimeout:
+                # FIXME: Ideally we'd like to include the url in the ReadTimeoutError but
+                # there is yet no clean way to get at it from this context.
+                raise ReadTimeoutError(self._pool, None, "Read timed out.")
+
+            except BaseSSLError as e:
+                # FIXME: Is there a better way to differentiate between SSLErrors?
+                if "read operation timed out" not in str(e):
+                    # SSL errors related to framing/MAC get wrapped and reraised here
+                    raise SSLError(e)
+
+                raise ReadTimeoutError(self._pool, None, "Read timed out.")
+
+            except (HTTPException, SocketError) as e:
+                # This includes IncompleteRead.
+                raise ProtocolError("Connection broken: %r" % e, e)
+
+            # If no exception is thrown, we should avoid cleaning up
+            # unnecessarily.
+            clean_exit = True
+        finally:
+            # If we didn't terminate cleanly, we need to throw away our
+            # connection.
+            if not clean_exit:
+                # The response may not be closed but we're not going to use it
+                # anymore so close it now to ensure that the connection is
+                # released back to the pool.
+                if self._original_response:
+                    self._original_response.close()
+
+                # Closing the response may not actually be sufficient to close
+                # everything, so if we have a hold of the connection close that
+                # too.
+                if self._connection:
+                    self._connection.close()
+
+            # If we hold the original response but it's closed now, we should
+            # return the connection back to the pool.
+            if self._original_response and self._original_response.isclosed():
+                self.release_conn()
+
+    def _fp_read(self, amt):
+        """
+        Read a response with the thought that reading the number of bytes
+        larger than can fit in a 32-bit int at a time via SSL in some
+        known cases leads to an overflow error that has to be prevented
+        if `amt` or `self.length_remaining` indicate that a problem may
+        happen.
+
+        The known cases:
+          * 3.8 <= CPython < 3.9.7 because of a bug
+            https://github.com/urllib3/urllib3/issues/2513#issuecomment-1152559900.
+          * urllib3 injected with pyOpenSSL-backed SSL-support.
+          * CPython < 3.10 only when `amt` does not fit 32-bit int.
+        """
+        assert self._fp
+        c_int_max = 2 ** 31 - 1
+        if (
+            (
+                (amt and amt > c_int_max)
+                or (self.length_remaining and self.length_remaining > c_int_max)
+            )
+            and not util.IS_SECURETRANSPORT
+            and (util.IS_PYOPENSSL or sys.version_info < (3, 10))
+        ):
+            buffer = io.BytesIO()
+            # Besides `max_chunk_amt` being a maximum chunk size, it
+            # affects memory overhead of reading a response by this
+            # method in CPython.
+            # `c_int_max` equal to 2 GiB - 1 byte is the actual maximum
+            # chunk size that does not lead to an overflow error, but
+            # 256 MiB is a compromise.
+            max_chunk_amt = 2 ** 28
+            while amt is None or amt != 0:
+                if amt is not None:
+                    chunk_amt = min(amt, max_chunk_amt)
+                    amt -= chunk_amt
+                else:
+                    chunk_amt = max_chunk_amt
+                data = self._fp.read(chunk_amt)
+                if not data:
+                    break
+                buffer.write(data)
+                del data  # to reduce peak memory usage by `max_chunk_amt`.
+            return buffer.getvalue()
+        else:
+            # StringIO doesn't like amt=None
+            return self._fp.read(amt) if amt is not None else self._fp.read()
+
+    def read(self, amt=None, decode_content=None, cache_content=False):
+        """
+        Similar to :meth:`http.client.HTTPResponse.read`, but with two additional
+        parameters: ``decode_content`` and ``cache_content``.
+
+        :param amt:
+            How much of the content to read. If specified, caching is skipped
+            because it doesn't make sense to cache partial content as the full
+            response.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+
+        :param cache_content:
+            If True, will save the returned data such that the same result is
+            returned despite of the state of the underlying file object. This
+            is useful if you want the ``.data`` property to continue working
+            after having ``.read()`` the file object. (Overridden if ``amt`` is
+            set.)
+        """
+        self._init_decoder()
+        if decode_content is None:
+            decode_content = self.decode_content
+
+        if self._fp is None:
+            return
+
+        flush_decoder = False
+        fp_closed = getattr(self._fp, "closed", False)
+
+        with self._error_catcher():
+            data = self._fp_read(amt) if not fp_closed else b""
+            if amt is None:
+                flush_decoder = True
+            else:
+                cache_content = False
+                if (
+                    amt != 0 and not data
+                ):  # Platform-specific: Buggy versions of Python.
+                    # Close the connection when no data is returned
+                    #
+                    # This is redundant to what httplib/http.client _should_
+                    # already do.  However, versions of python released before
+                    # December 15, 2012 (http://bugs.python.org/issue16298) do
+                    # not properly close the connection in all cases. There is
+                    # no harm in redundantly calling close.
+                    self._fp.close()
+                    flush_decoder = True
+                    if self.enforce_content_length and self.length_remaining not in (
+                        0,
+                        None,
+                    ):
+                        # This is an edge case that httplib failed to cover due
+                        # to concerns of backward compatibility. We're
+                        # addressing it here to make sure IncompleteRead is
+                        # raised during streaming, so all calls with incorrect
+                        # Content-Length are caught.
+                        raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
+
+        if data:
+            self._fp_bytes_read += len(data)
+            if self.length_remaining is not None:
+                self.length_remaining -= len(data)
+
+            data = self._decode(data, decode_content, flush_decoder)
+
+            if cache_content:
+                self._body = data
+
+        return data
+
+    def stream(self, amt=2 ** 16, decode_content=None):
+        """
+        A generator wrapper for the read() method. A call will block until
+        ``amt`` bytes have been read from the connection or until the
+        connection is closed.
+
+        :param amt:
+            How much of the content to read. The generator will return up to
+            much data per iteration, but may return less. This is particularly
+            likely when using compressed data. However, the empty string will
+            never be returned.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+        """
+        if self.chunked and self.supports_chunked_reads():
+            for line in self.read_chunked(amt, decode_content=decode_content):
+                yield line
+        else:
+            while not is_fp_closed(self._fp):
+                data = self.read(amt=amt, decode_content=decode_content)
+
+                if data:
+                    yield data
+
+    @classmethod
+    def from_httplib(ResponseCls, r, **response_kw):
+        """
+        Given an :class:`http.client.HTTPResponse` instance ``r``, return a
+        corresponding :class:`urllib3.response.HTTPResponse` object.
+
+        Remaining parameters are passed to the HTTPResponse constructor, along
+        with ``original_response=r``.
+        """
+        headers = r.msg
+
+        if not isinstance(headers, HTTPHeaderDict):
+            if six.PY2:
+                # Python 2.7
+                headers = HTTPHeaderDict.from_httplib(headers)
+            else:
+                headers = HTTPHeaderDict(headers.items())
+
+        # HTTPResponse objects in Python 3 don't have a .strict attribute
+        strict = getattr(r, "strict", 0)
+        resp = ResponseCls(
+            body=r,
+            headers=headers,
+            status=r.status,
+            version=r.version,
+            reason=r.reason,
+            strict=strict,
+            original_response=r,
+            **response_kw
+        )
+        return resp
+
+    # Backwards-compatibility methods for http.client.HTTPResponse
+    def getheaders(self):
+        warnings.warn(
+            "HTTPResponse.getheaders() is deprecated and will be removed "
+            "in urllib3 v2.1.0. Instead access HTTPResponse.headers directly.",
+            category=DeprecationWarning,
+            stacklevel=2,
+        )
+        return self.headers
+
+    def getheader(self, name, default=None):
+        warnings.warn(
+            "HTTPResponse.getheader() is deprecated and will be removed "
+            "in urllib3 v2.1.0. Instead use HTTPResponse.headers.get(name, default).",
+            category=DeprecationWarning,
+            stacklevel=2,
+        )
+        return self.headers.get(name, default)
+
+    # Backwards compatibility for http.cookiejar
+    def info(self):
+        return self.headers
+
+    # Overrides from io.IOBase
+    def close(self):
+        if not self.closed:
+            self._fp.close()
+
+        if self._connection:
+            self._connection.close()
+
+        if not self.auto_close:
+            io.IOBase.close(self)
+
+    @property
+    def closed(self):
+        if not self.auto_close:
+            return io.IOBase.closed.__get__(self)
+        elif self._fp is None:
+            return True
+        elif hasattr(self._fp, "isclosed"):
+            return self._fp.isclosed()
+        elif hasattr(self._fp, "closed"):
+            return self._fp.closed
+        else:
+            return True
+
+    def fileno(self):
+        if self._fp is None:
+            raise IOError("HTTPResponse has no file to get a fileno from")
+        elif hasattr(self._fp, "fileno"):
+            return self._fp.fileno()
+        else:
+            raise IOError(
+                "The file-like object this HTTPResponse is wrapped "
+                "around has no file descriptor"
+            )
+
+    def flush(self):
+        if (
+            self._fp is not None
+            and hasattr(self._fp, "flush")
+            and not getattr(self._fp, "closed", False)
+        ):
+            return self._fp.flush()
+
+    def readable(self):
+        # This method is required for `io` module compatibility.
+        return True
+
+    def readinto(self, b):
+        # This method is required for `io` module compatibility.
+        temp = self.read(len(b))
+        if len(temp) == 0:
+            return 0
+        else:
+            b[: len(temp)] = temp
+            return len(temp)
+
+    def supports_chunked_reads(self):
+        """
+        Checks if the underlying file-like object looks like a
+        :class:`http.client.HTTPResponse` object. We do this by testing for
+        the fp attribute. If it is present we assume it returns raw chunks as
+        processed by read_chunked().
+        """
+        return hasattr(self._fp, "fp")
+
+    def _update_chunk_length(self):
+        # First, we'll figure out length of a chunk and then
+        # we'll try to read it from socket.
+        if self.chunk_left is not None:
+            return
+        line = self._fp.fp.readline()
+        line = line.split(b";", 1)[0]
+        try:
+            self.chunk_left = int(line, 16)
+        except ValueError:
+            # Invalid chunked protocol response, abort.
+            self.close()
+            raise InvalidChunkLength(self, line)
+
+    def _handle_chunk(self, amt):
+        returned_chunk = None
+        if amt is None:
+            chunk = self._fp._safe_read(self.chunk_left)
+            returned_chunk = chunk
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+        elif amt < self.chunk_left:
+            value = self._fp._safe_read(amt)
+            self.chunk_left = self.chunk_left - amt
+            returned_chunk = value
+        elif amt == self.chunk_left:
+            value = self._fp._safe_read(amt)
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+            returned_chunk = value
+        else:  # amt > self.chunk_left
+            returned_chunk = self._fp._safe_read(self.chunk_left)
+            self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
+            self.chunk_left = None
+        return returned_chunk
+
+    def read_chunked(self, amt=None, decode_content=None):
+        """
+        Similar to :meth:`HTTPResponse.read`, but with an additional
+        parameter: ``decode_content``.
+
+        :param amt:
+            How much of the content to read. If specified, caching is skipped
+            because it doesn't make sense to cache partial content as the full
+            response.
+
+        :param decode_content:
+            If True, will attempt to decode the body based on the
+            'content-encoding' header.
+        """
+        self._init_decoder()
+        # FIXME: Rewrite this method and make it a class with a better structured logic.
+        if not self.chunked:
+            raise ResponseNotChunked(
+                "Response is not chunked. "
+                "Header 'transfer-encoding: chunked' is missing."
+            )
+        if not self.supports_chunked_reads():
+            raise BodyNotHttplibCompatible(
+                "Body should be http.client.HTTPResponse like. "
+                "It should have have an fp attribute which returns raw chunks."
+            )
+
+        with self._error_catcher():
+            # Don't bother reading the body of a HEAD request.
+            if self._original_response and is_response_to_head(self._original_response):
+                self._original_response.close()
+                return
+
+            # If a response is already read and closed
+            # then return immediately.
+            if self._fp.fp is None:
+                return
+
+            while True:
+                self._update_chunk_length()
+                if self.chunk_left == 0:
+                    break
+                chunk = self._handle_chunk(amt)
+                decoded = self._decode(
+                    chunk, decode_content=decode_content, flush_decoder=False
+                )
+                if decoded:
+                    yield decoded
+
+            if decode_content:
+                # On CPython and PyPy, we should never need to flush the
+                # decoder. However, on Jython we *might* need to, so
+                # lets defensively do it anyway.
+                decoded = self._flush_decoder()
+                if decoded:  # Platform-specific: Jython.
+                    yield decoded
+
+            # Chunk content ends with \r\n: discard it.
+            while True:
+                line = self._fp.fp.readline()
+                if not line:
+                    # Some sites may not end with '\r\n'.
+                    break
+                if line == b"\r\n":
+                    break
+
+            # We read everything; close the "file".
+            if self._original_response:
+                self._original_response.close()
+
+    def geturl(self):
+        """
+        Returns the URL that was the source of this response.
+        If the request that generated this response redirected, this method
+        will return the final redirect location.
+        """
+        if self.retries is not None and len(self.retries.history):
+            return self.retries.history[-1].redirect_location
+        else:
+            return self._request_url
+
+    def __iter__(self):
+        buffer = []
+        for chunk in self.stream(decode_content=True):
+            if b"\n" in chunk:
+                chunk = chunk.split(b"\n")
+                yield b"".join(buffer) + chunk[0] + b"\n"
+                for x in chunk[1:-1]:
+                    yield x + b"\n"
+                if chunk[-1]:
+                    buffer = [chunk[-1]]
+                else:
+                    buffer = []
+            else:
+                buffer.append(chunk)
+        if buffer:
+            yield b"".join(buffer)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/__init__.py
new file mode 100644
index 00000000..4547fc52
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/__init__.py
@@ -0,0 +1,49 @@
+from __future__ import absolute_import
+
+# For backwards compatibility, provide imports that used to be here.
+from .connection import is_connection_dropped
+from .request import SKIP_HEADER, SKIPPABLE_HEADERS, make_headers
+from .response import is_fp_closed
+from .retry import Retry
+from .ssl_ import (
+    ALPN_PROTOCOLS,
+    HAS_SNI,
+    IS_PYOPENSSL,
+    IS_SECURETRANSPORT,
+    PROTOCOL_TLS,
+    SSLContext,
+    assert_fingerprint,
+    resolve_cert_reqs,
+    resolve_ssl_version,
+    ssl_wrap_socket,
+)
+from .timeout import Timeout, current_time
+from .url import Url, get_host, parse_url, split_first
+from .wait import wait_for_read, wait_for_write
+
+__all__ = (
+    "HAS_SNI",
+    "IS_PYOPENSSL",
+    "IS_SECURETRANSPORT",
+    "SSLContext",
+    "PROTOCOL_TLS",
+    "ALPN_PROTOCOLS",
+    "Retry",
+    "Timeout",
+    "Url",
+    "assert_fingerprint",
+    "current_time",
+    "is_connection_dropped",
+    "is_fp_closed",
+    "get_host",
+    "parse_url",
+    "make_headers",
+    "resolve_cert_reqs",
+    "resolve_ssl_version",
+    "split_first",
+    "ssl_wrap_socket",
+    "wait_for_read",
+    "wait_for_write",
+    "SKIP_HEADER",
+    "SKIPPABLE_HEADERS",
+)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/connection.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/connection.py
new file mode 100644
index 00000000..6af1138f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/connection.py
@@ -0,0 +1,149 @@
+from __future__ import absolute_import
+
+import socket
+
+from ..contrib import _appengine_environ
+from ..exceptions import LocationParseError
+from ..packages import six
+from .wait import NoWayToWaitForSocketError, wait_for_read
+
+
+def is_connection_dropped(conn):  # Platform-specific
+    """
+    Returns True if the connection is dropped and should be closed.
+
+    :param conn:
+        :class:`http.client.HTTPConnection` object.
+
+    Note: For platforms like AppEngine, this will always return ``False`` to
+    let the platform handle connection recycling transparently for us.
+    """
+    sock = getattr(conn, "sock", False)
+    if sock is False:  # Platform-specific: AppEngine
+        return False
+    if sock is None:  # Connection already closed (such as by httplib).
+        return True
+    try:
+        # Returns True if readable, which here means it's been dropped
+        return wait_for_read(sock, timeout=0.0)
+    except NoWayToWaitForSocketError:  # Platform-specific: AppEngine
+        return False
+
+
+# This function is copied from socket.py in the Python 2.7 standard
+# library test suite. Added to its signature is only `socket_options`.
+# One additional modification is that we avoid binding to IPv6 servers
+# discovered in DNS if the system doesn't have IPv6 functionality.
+def create_connection(
+    address,
+    timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
+    source_address=None,
+    socket_options=None,
+):
+    """Connect to *address* and return the socket object.
+
+    Convenience function.  Connect to *address* (a 2-tuple ``(host,
+    port)``) and return the socket object.  Passing the optional
+    *timeout* parameter will set the timeout on the socket instance
+    before attempting to connect.  If no *timeout* is supplied, the
+    global default timeout setting returned by :func:`socket.getdefaulttimeout`
+    is used.  If *source_address* is set it must be a tuple of (host, port)
+    for the socket to bind as a source address before making the connection.
+    An host of '' or port 0 tells the OS to use the default.
+    """
+
+    host, port = address
+    if host.startswith("["):
+        host = host.strip("[]")
+    err = None
+
+    # Using the value from allowed_gai_family() in the context of getaddrinfo lets
+    # us select whether to work with IPv4 DNS records, IPv6 records, or both.
+    # The original create_connection function always returns all records.
+    family = allowed_gai_family()
+
+    try:
+        host.encode("idna")
+    except UnicodeError:
+        return six.raise_from(
+            LocationParseError(u"'%s', label empty or too long" % host), None
+        )
+
+    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
+        af, socktype, proto, canonname, sa = res
+        sock = None
+        try:
+            sock = socket.socket(af, socktype, proto)
+
+            # If provided, set socket level options before connecting.
+            _set_socket_options(sock, socket_options)
+
+            if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
+                sock.settimeout(timeout)
+            if source_address:
+                sock.bind(source_address)
+            sock.connect(sa)
+            return sock
+
+        except socket.error as e:
+            err = e
+            if sock is not None:
+                sock.close()
+                sock = None
+
+    if err is not None:
+        raise err
+
+    raise socket.error("getaddrinfo returns an empty list")
+
+
+def _set_socket_options(sock, options):
+    if options is None:
+        return
+
+    for opt in options:
+        sock.setsockopt(*opt)
+
+
+def allowed_gai_family():
+    """This function is designed to work in the context of
+    getaddrinfo, where family=socket.AF_UNSPEC is the default and
+    will perform a DNS search for both IPv6 and IPv4 records."""
+
+    family = socket.AF_INET
+    if HAS_IPV6:
+        family = socket.AF_UNSPEC
+    return family
+
+
+def _has_ipv6(host):
+    """Returns True if the system can bind an IPv6 address."""
+    sock = None
+    has_ipv6 = False
+
+    # App Engine doesn't support IPV6 sockets and actually has a quota on the
+    # number of sockets that can be used, so just early out here instead of
+    # creating a socket needlessly.
+    # See https://github.com/urllib3/urllib3/issues/1446
+    if _appengine_environ.is_appengine_sandbox():
+        return False
+
+    if socket.has_ipv6:
+        # has_ipv6 returns true if cPython was compiled with IPv6 support.
+        # It does not tell us if the system has IPv6 support enabled. To
+        # determine that we must bind to an IPv6 address.
+        # https://github.com/urllib3/urllib3/pull/611
+        # https://bugs.python.org/issue658327
+        try:
+            sock = socket.socket(socket.AF_INET6)
+            sock.bind((host, 0))
+            has_ipv6 = True
+        except Exception:
+            pass
+
+    if sock:
+        sock.close()
+    return has_ipv6
+
+
+HAS_IPV6 = _has_ipv6("::1")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/proxy.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/proxy.py
new file mode 100644
index 00000000..2199cc7b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/proxy.py
@@ -0,0 +1,57 @@
+from .ssl_ import create_urllib3_context, resolve_cert_reqs, resolve_ssl_version
+
+
+def connection_requires_http_tunnel(
+    proxy_url=None, proxy_config=None, destination_scheme=None
+):
+    """
+    Returns True if the connection requires an HTTP CONNECT through the proxy.
+
+    :param URL proxy_url:
+        URL of the proxy.
+    :param ProxyConfig proxy_config:
+        Proxy configuration from poolmanager.py
+    :param str destination_scheme:
+        The scheme of the destination. (i.e https, http, etc)
+    """
+    # If we're not using a proxy, no way to use a tunnel.
+    if proxy_url is None:
+        return False
+
+    # HTTP destinations never require tunneling, we always forward.
+    if destination_scheme == "http":
+        return False
+
+    # Support for forwarding with HTTPS proxies and HTTPS destinations.
+    if (
+        proxy_url.scheme == "https"
+        and proxy_config
+        and proxy_config.use_forwarding_for_https
+    ):
+        return False
+
+    # Otherwise always use a tunnel.
+    return True
+
+
+def create_proxy_ssl_context(
+    ssl_version, cert_reqs, ca_certs=None, ca_cert_dir=None, ca_cert_data=None
+):
+    """
+    Generates a default proxy ssl context if one hasn't been provided by the
+    user.
+    """
+    ssl_context = create_urllib3_context(
+        ssl_version=resolve_ssl_version(ssl_version),
+        cert_reqs=resolve_cert_reqs(cert_reqs),
+    )
+
+    if (
+        not ca_certs
+        and not ca_cert_dir
+        and not ca_cert_data
+        and hasattr(ssl_context, "load_default_certs")
+    ):
+        ssl_context.load_default_certs()
+
+    return ssl_context
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/queue.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/queue.py
new file mode 100644
index 00000000..41784104
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/queue.py
@@ -0,0 +1,22 @@
+import collections
+
+from ..packages import six
+from ..packages.six.moves import queue
+
+if six.PY2:
+    # Queue is imported for side effects on MS Windows. See issue #229.
+    import Queue as _unused_module_Queue  # noqa: F401
+
+
+class LifoQueue(queue.Queue):
+    def _init(self, _):
+        self.queue = collections.deque()
+
+    def _qsize(self, len=len):
+        return len(self.queue)
+
+    def _put(self, item):
+        self.queue.append(item)
+
+    def _get(self):
+        return self.queue.pop()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/request.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/request.py
new file mode 100644
index 00000000..330766ef
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/request.py
@@ -0,0 +1,137 @@
+from __future__ import absolute_import
+
+from base64 import b64encode
+
+from ..exceptions import UnrewindableBodyError
+from ..packages.six import b, integer_types
+
+# Pass as a value within ``headers`` to skip
+# emitting some HTTP headers that are added automatically.
+# The only headers that are supported are ``Accept-Encoding``,
+# ``Host``, and ``User-Agent``.
+SKIP_HEADER = "@@@SKIP_HEADER@@@"
+SKIPPABLE_HEADERS = frozenset(["accept-encoding", "host", "user-agent"])
+
+ACCEPT_ENCODING = "gzip,deflate"
+
+_FAILEDTELL = object()
+
+
+def make_headers(
+    keep_alive=None,
+    accept_encoding=None,
+    user_agent=None,
+    basic_auth=None,
+    proxy_basic_auth=None,
+    disable_cache=None,
+):
+    """
+    Shortcuts for generating request headers.
+
+    :param keep_alive:
+        If ``True``, adds 'connection: keep-alive' header.
+
+    :param accept_encoding:
+        Can be a boolean, list, or string.
+        ``True`` translates to 'gzip,deflate'.
+        List will get joined by comma.
+        String will be used as provided.
+
+    :param user_agent:
+        String representing the user-agent you want, such as
+        "python-urllib3/0.6"
+
+    :param basic_auth:
+        Colon-separated username:password string for 'authorization: basic ...'
+        auth header.
+
+    :param proxy_basic_auth:
+        Colon-separated username:password string for 'proxy-authorization: basic ...'
+        auth header.
+
+    :param disable_cache:
+        If ``True``, adds 'cache-control: no-cache' header.
+
+    Example::
+
+        >>> make_headers(keep_alive=True, user_agent="Batman/1.0")
+        {'connection': 'keep-alive', 'user-agent': 'Batman/1.0'}
+        >>> make_headers(accept_encoding=True)
+        {'accept-encoding': 'gzip,deflate'}
+    """
+    headers = {}
+    if accept_encoding:
+        if isinstance(accept_encoding, str):
+            pass
+        elif isinstance(accept_encoding, list):
+            accept_encoding = ",".join(accept_encoding)
+        else:
+            accept_encoding = ACCEPT_ENCODING
+        headers["accept-encoding"] = accept_encoding
+
+    if user_agent:
+        headers["user-agent"] = user_agent
+
+    if keep_alive:
+        headers["connection"] = "keep-alive"
+
+    if basic_auth:
+        headers["authorization"] = "Basic " + b64encode(b(basic_auth)).decode("utf-8")
+
+    if proxy_basic_auth:
+        headers["proxy-authorization"] = "Basic " + b64encode(
+            b(proxy_basic_auth)
+        ).decode("utf-8")
+
+    if disable_cache:
+        headers["cache-control"] = "no-cache"
+
+    return headers
+
+
+def set_file_position(body, pos):
+    """
+    If a position is provided, move file to that point.
+    Otherwise, we'll attempt to record a position for future use.
+    """
+    if pos is not None:
+        rewind_body(body, pos)
+    elif getattr(body, "tell", None) is not None:
+        try:
+            pos = body.tell()
+        except (IOError, OSError):
+            # This differentiates from None, allowing us to catch
+            # a failed `tell()` later when trying to rewind the body.
+            pos = _FAILEDTELL
+
+    return pos
+
+
+def rewind_body(body, body_pos):
+    """
+    Attempt to rewind body to a certain position.
+    Primarily used for request redirects and retries.
+
+    :param body:
+        File-like object that supports seek.
+
+    :param int pos:
+        Position to seek to in file.
+    """
+    body_seek = getattr(body, "seek", None)
+    if body_seek is not None and isinstance(body_pos, integer_types):
+        try:
+            body_seek(body_pos)
+        except (IOError, OSError):
+            raise UnrewindableBodyError(
+                "An error occurred when rewinding request body for redirect/retry."
+            )
+    elif body_pos is _FAILEDTELL:
+        raise UnrewindableBodyError(
+            "Unable to record file position for rewinding "
+            "request body during a redirect/retry."
+        )
+    else:
+        raise ValueError(
+            "body_pos must be of type integer, instead it was %s." % type(body_pos)
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/response.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/response.py
new file mode 100644
index 00000000..5ea609cc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/response.py
@@ -0,0 +1,107 @@
+from __future__ import absolute_import
+
+from email.errors import MultipartInvariantViolationDefect, StartBoundaryNotFoundDefect
+
+from ..exceptions import HeaderParsingError
+from ..packages.six.moves import http_client as httplib
+
+
+def is_fp_closed(obj):
+    """
+    Checks whether a given file-like object is closed.
+
+    :param obj:
+        The file-like object to check.
+    """
+
+    try:
+        # Check `isclosed()` first, in case Python3 doesn't set `closed`.
+        # GH Issue #928
+        return obj.isclosed()
+    except AttributeError:
+        pass
+
+    try:
+        # Check via the official file-like-object way.
+        return obj.closed
+    except AttributeError:
+        pass
+
+    try:
+        # Check if the object is a container for another file-like object that
+        # gets released on exhaustion (e.g. HTTPResponse).
+        return obj.fp is None
+    except AttributeError:
+        pass
+
+    raise ValueError("Unable to determine whether fp is closed.")
+
+
+def assert_header_parsing(headers):
+    """
+    Asserts whether all headers have been successfully parsed.
+    Extracts encountered errors from the result of parsing headers.
+
+    Only works on Python 3.
+
+    :param http.client.HTTPMessage headers: Headers to verify.
+
+    :raises urllib3.exceptions.HeaderParsingError:
+        If parsing errors are found.
+    """
+
+    # This will fail silently if we pass in the wrong kind of parameter.
+    # To make debugging easier add an explicit check.
+    if not isinstance(headers, httplib.HTTPMessage):
+        raise TypeError("expected httplib.Message, got {0}.".format(type(headers)))
+
+    defects = getattr(headers, "defects", None)
+    get_payload = getattr(headers, "get_payload", None)
+
+    unparsed_data = None
+    if get_payload:
+        # get_payload is actually email.message.Message.get_payload;
+        # we're only interested in the result if it's not a multipart message
+        if not headers.is_multipart():
+            payload = get_payload()
+
+            if isinstance(payload, (bytes, str)):
+                unparsed_data = payload
+    if defects:
+        # httplib is assuming a response body is available
+        # when parsing headers even when httplib only sends
+        # header data to parse_headers() This results in
+        # defects on multipart responses in particular.
+        # See: https://github.com/urllib3/urllib3/issues/800
+
+        # So we ignore the following defects:
+        # - StartBoundaryNotFoundDefect:
+        #     The claimed start boundary was never found.
+        # - MultipartInvariantViolationDefect:
+        #     A message claimed to be a multipart but no subparts were found.
+        defects = [
+            defect
+            for defect in defects
+            if not isinstance(
+                defect, (StartBoundaryNotFoundDefect, MultipartInvariantViolationDefect)
+            )
+        ]
+
+    if defects or unparsed_data:
+        raise HeaderParsingError(defects=defects, unparsed_data=unparsed_data)
+
+
+def is_response_to_head(response):
+    """
+    Checks whether the request of a response has been a HEAD-request.
+    Handles the quirks of AppEngine.
+
+    :param http.client.HTTPResponse response:
+        Response to check if the originating request
+        used 'HEAD' as a method.
+    """
+    # FIXME: Can we do this somehow without accessing private httplib _method?
+    method = response._method
+    if isinstance(method, int):  # Platform-specific: Appengine
+        return method == 3
+    return method.upper() == "HEAD"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/retry.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/retry.py
new file mode 100644
index 00000000..60ef6c4f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/retry.py
@@ -0,0 +1,620 @@
+from __future__ import absolute_import
+
+import email
+import logging
+import re
+import time
+import warnings
+from collections import namedtuple
+from itertools import takewhile
+
+from ..exceptions import (
+    ConnectTimeoutError,
+    InvalidHeader,
+    MaxRetryError,
+    ProtocolError,
+    ProxyError,
+    ReadTimeoutError,
+    ResponseError,
+)
+from ..packages import six
+
+log = logging.getLogger(__name__)
+
+
+# Data structure for representing the metadata of requests that result in a retry.
+RequestHistory = namedtuple(
+    "RequestHistory", ["method", "url", "error", "status", "redirect_location"]
+)
+
+
+# TODO: In v2 we can remove this sentinel and metaclass with deprecated options.
+_Default = object()
+
+
+class _RetryMeta(type):
+    @property
+    def DEFAULT_METHOD_WHITELIST(cls):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_METHOD_WHITELIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_ALLOWED_METHODS' instead",
+            DeprecationWarning,
+        )
+        return cls.DEFAULT_ALLOWED_METHODS
+
+    @DEFAULT_METHOD_WHITELIST.setter
+    def DEFAULT_METHOD_WHITELIST(cls, value):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_METHOD_WHITELIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_ALLOWED_METHODS' instead",
+            DeprecationWarning,
+        )
+        cls.DEFAULT_ALLOWED_METHODS = value
+
+    @property
+    def DEFAULT_REDIRECT_HEADERS_BLACKLIST(cls):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_REDIRECT_HEADERS_BLACKLIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_REMOVE_HEADERS_ON_REDIRECT' instead",
+            DeprecationWarning,
+        )
+        return cls.DEFAULT_REMOVE_HEADERS_ON_REDIRECT
+
+    @DEFAULT_REDIRECT_HEADERS_BLACKLIST.setter
+    def DEFAULT_REDIRECT_HEADERS_BLACKLIST(cls, value):
+        warnings.warn(
+            "Using 'Retry.DEFAULT_REDIRECT_HEADERS_BLACKLIST' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_REMOVE_HEADERS_ON_REDIRECT' instead",
+            DeprecationWarning,
+        )
+        cls.DEFAULT_REMOVE_HEADERS_ON_REDIRECT = value
+
+    @property
+    def BACKOFF_MAX(cls):
+        warnings.warn(
+            "Using 'Retry.BACKOFF_MAX' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_BACKOFF_MAX' instead",
+            DeprecationWarning,
+        )
+        return cls.DEFAULT_BACKOFF_MAX
+
+    @BACKOFF_MAX.setter
+    def BACKOFF_MAX(cls, value):
+        warnings.warn(
+            "Using 'Retry.BACKOFF_MAX' is deprecated and "
+            "will be removed in v2.0. Use 'Retry.DEFAULT_BACKOFF_MAX' instead",
+            DeprecationWarning,
+        )
+        cls.DEFAULT_BACKOFF_MAX = value
+
+
+@six.add_metaclass(_RetryMeta)
+class Retry(object):
+    """Retry configuration.
+
+    Each retry attempt will create a new Retry object with updated values, so
+    they can be safely reused.
+
+    Retries can be defined as a default for a pool::
+
+        retries = Retry(connect=5, read=2, redirect=5)
+        http = PoolManager(retries=retries)
+        response = http.request('GET', 'http://example.com/')
+
+    Or per-request (which overrides the default for the pool)::
+
+        response = http.request('GET', 'http://example.com/', retries=Retry(10))
+
+    Retries can be disabled by passing ``False``::
+
+        response = http.request('GET', 'http://example.com/', retries=False)
+
+    Errors will be wrapped in :class:`~urllib3.exceptions.MaxRetryError` unless
+    retries are disabled, in which case the causing exception will be raised.
+
+    :param int total:
+        Total number of retries to allow. Takes precedence over other counts.
+
+        Set to ``None`` to remove this constraint and fall back on other
+        counts.
+
+        Set to ``0`` to fail on the first retry.
+
+        Set to ``False`` to disable and imply ``raise_on_redirect=False``.
+
+    :param int connect:
+        How many connection-related errors to retry on.
+
+        These are errors raised before the request is sent to the remote server,
+        which we assume has not triggered the server to process the request.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int read:
+        How many times to retry on read errors.
+
+        These errors are raised after the request was sent to the server, so the
+        request may have side-effects.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int redirect:
+        How many redirects to perform. Limit this to avoid infinite redirect
+        loops.
+
+        A redirect is a HTTP response with a status code 301, 302, 303, 307 or
+        308.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+        Set to ``False`` to disable and imply ``raise_on_redirect=False``.
+
+    :param int status:
+        How many times to retry on bad status codes.
+
+        These are retries made on responses, where status code matches
+        ``status_forcelist``.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+    :param int other:
+        How many times to retry on other errors.
+
+        Other errors are errors that are not connect, read, redirect or status errors.
+        These errors might be raised after the request was sent to the server, so the
+        request might have side-effects.
+
+        Set to ``0`` to fail on the first retry of this type.
+
+        If ``total`` is not set, it's a good idea to set this to 0 to account
+        for unexpected edge cases and avoid infinite retry loops.
+
+    :param iterable allowed_methods:
+        Set of uppercased HTTP method verbs that we should retry on.
+
+        By default, we only retry on methods which are considered to be
+        idempotent (multiple requests with the same parameters end with the
+        same state). See :attr:`Retry.DEFAULT_ALLOWED_METHODS`.
+
+        Set to a ``False`` value to retry on any verb.
+
+        .. warning::
+
+            Previously this parameter was named ``method_whitelist``, that
+            usage is deprecated in v1.26.0 and will be removed in v2.0.
+
+    :param iterable status_forcelist:
+        A set of integer HTTP status codes that we should force a retry on.
+        A retry is initiated if the request method is in ``allowed_methods``
+        and the response status code is in ``status_forcelist``.
+
+        By default, this is disabled with ``None``.
+
+    :param float backoff_factor:
+        A backoff factor to apply between attempts after the second try
+        (most errors are resolved immediately by a second try without a
+        delay). urllib3 will sleep for::
+
+            {backoff factor} * (2 ** ({number of total retries} - 1))
+
+        seconds. If the backoff_factor is 0.1, then :func:`.sleep` will sleep
+        for [0.0s, 0.2s, 0.4s, ...] between retries. It will never be longer
+        than :attr:`Retry.DEFAULT_BACKOFF_MAX`.
+
+        By default, backoff is disabled (set to 0).
+
+    :param bool raise_on_redirect: Whether, if the number of redirects is
+        exhausted, to raise a MaxRetryError, or to return a response with a
+        response code in the 3xx range.
+
+    :param bool raise_on_status: Similar meaning to ``raise_on_redirect``:
+        whether we should raise an exception, or return a response,
+        if status falls in ``status_forcelist`` range and retries have
+        been exhausted.
+
+    :param tuple history: The history of the request encountered during
+        each call to :meth:`~Retry.increment`. The list is in the order
+        the requests occurred. Each list item is of class :class:`RequestHistory`.
+
+    :param bool respect_retry_after_header:
+        Whether to respect Retry-After header on status codes defined as
+        :attr:`Retry.RETRY_AFTER_STATUS_CODES` or not.
+
+    :param iterable remove_headers_on_redirect:
+        Sequence of headers to remove from the request when a response
+        indicating a redirect is returned before firing off the redirected
+        request.
+    """
+
+    #: Default methods to be used for ``allowed_methods``
+    DEFAULT_ALLOWED_METHODS = frozenset(
+        ["HEAD", "GET", "PUT", "DELETE", "OPTIONS", "TRACE"]
+    )
+
+    #: Default status codes to be used for ``status_forcelist``
+    RETRY_AFTER_STATUS_CODES = frozenset([413, 429, 503])
+
+    #: Default headers to be used for ``remove_headers_on_redirect``
+    DEFAULT_REMOVE_HEADERS_ON_REDIRECT = frozenset(["Cookie", "Authorization"])
+
+    #: Maximum backoff time.
+    DEFAULT_BACKOFF_MAX = 120
+
+    def __init__(
+        self,
+        total=10,
+        connect=None,
+        read=None,
+        redirect=None,
+        status=None,
+        other=None,
+        allowed_methods=_Default,
+        status_forcelist=None,
+        backoff_factor=0,
+        raise_on_redirect=True,
+        raise_on_status=True,
+        history=None,
+        respect_retry_after_header=True,
+        remove_headers_on_redirect=_Default,
+        # TODO: Deprecated, remove in v2.0
+        method_whitelist=_Default,
+    ):
+
+        if method_whitelist is not _Default:
+            if allowed_methods is not _Default:
+                raise ValueError(
+                    "Using both 'allowed_methods' and "
+                    "'method_whitelist' together is not allowed. "
+                    "Instead only use 'allowed_methods'"
+                )
+            warnings.warn(
+                "Using 'method_whitelist' with Retry is deprecated and "
+                "will be removed in v2.0. Use 'allowed_methods' instead",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+            allowed_methods = method_whitelist
+        if allowed_methods is _Default:
+            allowed_methods = self.DEFAULT_ALLOWED_METHODS
+        if remove_headers_on_redirect is _Default:
+            remove_headers_on_redirect = self.DEFAULT_REMOVE_HEADERS_ON_REDIRECT
+
+        self.total = total
+        self.connect = connect
+        self.read = read
+        self.status = status
+        self.other = other
+
+        if redirect is False or total is False:
+            redirect = 0
+            raise_on_redirect = False
+
+        self.redirect = redirect
+        self.status_forcelist = status_forcelist or set()
+        self.allowed_methods = allowed_methods
+        self.backoff_factor = backoff_factor
+        self.raise_on_redirect = raise_on_redirect
+        self.raise_on_status = raise_on_status
+        self.history = history or tuple()
+        self.respect_retry_after_header = respect_retry_after_header
+        self.remove_headers_on_redirect = frozenset(
+            [h.lower() for h in remove_headers_on_redirect]
+        )
+
+    def new(self, **kw):
+        params = dict(
+            total=self.total,
+            connect=self.connect,
+            read=self.read,
+            redirect=self.redirect,
+            status=self.status,
+            other=self.other,
+            status_forcelist=self.status_forcelist,
+            backoff_factor=self.backoff_factor,
+            raise_on_redirect=self.raise_on_redirect,
+            raise_on_status=self.raise_on_status,
+            history=self.history,
+            remove_headers_on_redirect=self.remove_headers_on_redirect,
+            respect_retry_after_header=self.respect_retry_after_header,
+        )
+
+        # TODO: If already given in **kw we use what's given to us
+        # If not given we need to figure out what to pass. We decide
+        # based on whether our class has the 'method_whitelist' property
+        # and if so we pass the deprecated 'method_whitelist' otherwise
+        # we use 'allowed_methods'. Remove in v2.0
+        if "method_whitelist" not in kw and "allowed_methods" not in kw:
+            if "method_whitelist" in self.__dict__:
+                warnings.warn(
+                    "Using 'method_whitelist' with Retry is deprecated and "
+                    "will be removed in v2.0. Use 'allowed_methods' instead",
+                    DeprecationWarning,
+                )
+                params["method_whitelist"] = self.allowed_methods
+            else:
+                params["allowed_methods"] = self.allowed_methods
+
+        params.update(kw)
+        return type(self)(**params)
+
+    @classmethod
+    def from_int(cls, retries, redirect=True, default=None):
+        """Backwards-compatibility for the old retries format."""
+        if retries is None:
+            retries = default if default is not None else cls.DEFAULT
+
+        if isinstance(retries, Retry):
+            return retries
+
+        redirect = bool(redirect) and None
+        new_retries = cls(retries, redirect=redirect)
+        log.debug("Converted retries value: %r -> %r", retries, new_retries)
+        return new_retries
+
+    def get_backoff_time(self):
+        """Formula for computing the current backoff
+
+        :rtype: float
+        """
+        # We want to consider only the last consecutive errors sequence (Ignore redirects).
+        consecutive_errors_len = len(
+            list(
+                takewhile(lambda x: x.redirect_location is None, reversed(self.history))
+            )
+        )
+        if consecutive_errors_len <= 1:
+            return 0
+
+        backoff_value = self.backoff_factor * (2 ** (consecutive_errors_len - 1))
+        return min(self.DEFAULT_BACKOFF_MAX, backoff_value)
+
+    def parse_retry_after(self, retry_after):
+        # Whitespace: https://tools.ietf.org/html/rfc7230#section-3.2.4
+        if re.match(r"^\s*[0-9]+\s*$", retry_after):
+            seconds = int(retry_after)
+        else:
+            retry_date_tuple = email.utils.parsedate_tz(retry_after)
+            if retry_date_tuple is None:
+                raise InvalidHeader("Invalid Retry-After header: %s" % retry_after)
+            if retry_date_tuple[9] is None:  # Python 2
+                # Assume UTC if no timezone was specified
+                # On Python2.7, parsedate_tz returns None for a timezone offset
+                # instead of 0 if no timezone is given, where mktime_tz treats
+                # a None timezone offset as local time.
+                retry_date_tuple = retry_date_tuple[:9] + (0,) + retry_date_tuple[10:]
+
+            retry_date = email.utils.mktime_tz(retry_date_tuple)
+            seconds = retry_date - time.time()
+
+        if seconds < 0:
+            seconds = 0
+
+        return seconds
+
+    def get_retry_after(self, response):
+        """Get the value of Retry-After in seconds."""
+
+        retry_after = response.headers.get("Retry-After")
+
+        if retry_after is None:
+            return None
+
+        return self.parse_retry_after(retry_after)
+
+    def sleep_for_retry(self, response=None):
+        retry_after = self.get_retry_after(response)
+        if retry_after:
+            time.sleep(retry_after)
+            return True
+
+        return False
+
+    def _sleep_backoff(self):
+        backoff = self.get_backoff_time()
+        if backoff <= 0:
+            return
+        time.sleep(backoff)
+
+    def sleep(self, response=None):
+        """Sleep between retry attempts.
+
+        This method will respect a server's ``Retry-After`` response header
+        and sleep the duration of the time requested. If that is not present, it
+        will use an exponential backoff. By default, the backoff factor is 0 and
+        this method will return immediately.
+        """
+
+        if self.respect_retry_after_header and response:
+            slept = self.sleep_for_retry(response)
+            if slept:
+                return
+
+        self._sleep_backoff()
+
+    def _is_connection_error(self, err):
+        """Errors when we're fairly sure that the server did not receive the
+        request, so it should be safe to retry.
+        """
+        if isinstance(err, ProxyError):
+            err = err.original_error
+        return isinstance(err, ConnectTimeoutError)
+
+    def _is_read_error(self, err):
+        """Errors that occur after the request has been started, so we should
+        assume that the server began processing it.
+        """
+        return isinstance(err, (ReadTimeoutError, ProtocolError))
+
+    def _is_method_retryable(self, method):
+        """Checks if a given HTTP method should be retried upon, depending if
+        it is included in the allowed_methods
+        """
+        # TODO: For now favor if the Retry implementation sets its own method_whitelist
+        # property outside of our constructor to avoid breaking custom implementations.
+        if "method_whitelist" in self.__dict__:
+            warnings.warn(
+                "Using 'method_whitelist' with Retry is deprecated and "
+                "will be removed in v2.0. Use 'allowed_methods' instead",
+                DeprecationWarning,
+            )
+            allowed_methods = self.method_whitelist
+        else:
+            allowed_methods = self.allowed_methods
+
+        if allowed_methods and method.upper() not in allowed_methods:
+            return False
+        return True
+
+    def is_retry(self, method, status_code, has_retry_after=False):
+        """Is this method/status code retryable? (Based on allowlists and control
+        variables such as the number of total retries to allow, whether to
+        respect the Retry-After header, whether this header is present, and
+        whether the returned status code is on the list of status codes to
+        be retried upon on the presence of the aforementioned header)
+        """
+        if not self._is_method_retryable(method):
+            return False
+
+        if self.status_forcelist and status_code in self.status_forcelist:
+            return True
+
+        return (
+            self.total
+            and self.respect_retry_after_header
+            and has_retry_after
+            and (status_code in self.RETRY_AFTER_STATUS_CODES)
+        )
+
+    def is_exhausted(self):
+        """Are we out of retries?"""
+        retry_counts = (
+            self.total,
+            self.connect,
+            self.read,
+            self.redirect,
+            self.status,
+            self.other,
+        )
+        retry_counts = list(filter(None, retry_counts))
+        if not retry_counts:
+            return False
+
+        return min(retry_counts) < 0
+
+    def increment(
+        self,
+        method=None,
+        url=None,
+        response=None,
+        error=None,
+        _pool=None,
+        _stacktrace=None,
+    ):
+        """Return a new Retry object with incremented retry counters.
+
+        :param response: A response object, or None, if the server did not
+            return a response.
+        :type response: :class:`~urllib3.response.HTTPResponse`
+        :param Exception error: An error encountered during the request, or
+            None if the response was received successfully.
+
+        :return: A new ``Retry`` object.
+        """
+        if self.total is False and error:
+            # Disabled, indicate to re-raise the error.
+            raise six.reraise(type(error), error, _stacktrace)
+
+        total = self.total
+        if total is not None:
+            total -= 1
+
+        connect = self.connect
+        read = self.read
+        redirect = self.redirect
+        status_count = self.status
+        other = self.other
+        cause = "unknown"
+        status = None
+        redirect_location = None
+
+        if error and self._is_connection_error(error):
+            # Connect retry?
+            if connect is False:
+                raise six.reraise(type(error), error, _stacktrace)
+            elif connect is not None:
+                connect -= 1
+
+        elif error and self._is_read_error(error):
+            # Read retry?
+            if read is False or not self._is_method_retryable(method):
+                raise six.reraise(type(error), error, _stacktrace)
+            elif read is not None:
+                read -= 1
+
+        elif error:
+            # Other retry?
+            if other is not None:
+                other -= 1
+
+        elif response and response.get_redirect_location():
+            # Redirect retry?
+            if redirect is not None:
+                redirect -= 1
+            cause = "too many redirects"
+            redirect_location = response.get_redirect_location()
+            status = response.status
+
+        else:
+            # Incrementing because of a server error like a 500 in
+            # status_forcelist and the given method is in the allowed_methods
+            cause = ResponseError.GENERIC_ERROR
+            if response and response.status:
+                if status_count is not None:
+                    status_count -= 1
+                cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status)
+                status = response.status
+
+        history = self.history + (
+            RequestHistory(method, url, error, status, redirect_location),
+        )
+
+        new_retry = self.new(
+            total=total,
+            connect=connect,
+            read=read,
+            redirect=redirect,
+            status=status_count,
+            other=other,
+            history=history,
+        )
+
+        if new_retry.is_exhausted():
+            raise MaxRetryError(_pool, url, error or ResponseError(cause))
+
+        log.debug("Incremented Retry for (url='%s'): %r", url, new_retry)
+
+        return new_retry
+
+    def __repr__(self):
+        return (
+            "{cls.__name__}(total={self.total}, connect={self.connect}, "
+            "read={self.read}, redirect={self.redirect}, status={self.status})"
+        ).format(cls=type(self), self=self)
+
+    def __getattr__(self, item):
+        if item == "method_whitelist":
+            # TODO: Remove this deprecated alias in v2.0
+            warnings.warn(
+                "Using 'method_whitelist' with Retry is deprecated and "
+                "will be removed in v2.0. Use 'allowed_methods' instead",
+                DeprecationWarning,
+            )
+            return self.allowed_methods
+        try:
+            return getattr(super(Retry, self), item)
+        except AttributeError:
+            return getattr(Retry, item)
+
+
+# For backwards compatibility (equivalent to pre-v1.9):
+Retry.DEFAULT = Retry(3)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssl_.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssl_.py
new file mode 100644
index 00000000..2b45d391
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssl_.py
@@ -0,0 +1,495 @@
+from __future__ import absolute_import
+
+import hmac
+import os
+import sys
+import warnings
+from binascii import hexlify, unhexlify
+from hashlib import md5, sha1, sha256
+
+from ..exceptions import (
+    InsecurePlatformWarning,
+    ProxySchemeUnsupported,
+    SNIMissingWarning,
+    SSLError,
+)
+from ..packages import six
+from .url import BRACELESS_IPV6_ADDRZ_RE, IPV4_RE
+
+SSLContext = None
+SSLTransport = None
+HAS_SNI = False
+IS_PYOPENSSL = False
+IS_SECURETRANSPORT = False
+ALPN_PROTOCOLS = ["http/1.1"]
+
+# Maps the length of a digest to a possible hash function producing this digest
+HASHFUNC_MAP = {32: md5, 40: sha1, 64: sha256}
+
+
+def _const_compare_digest_backport(a, b):
+    """
+    Compare two digests of equal length in constant time.
+
+    The digests must be of type str/bytes.
+    Returns True if the digests match, and False otherwise.
+    """
+    result = abs(len(a) - len(b))
+    for left, right in zip(bytearray(a), bytearray(b)):
+        result |= left ^ right
+    return result == 0
+
+
+_const_compare_digest = getattr(hmac, "compare_digest", _const_compare_digest_backport)
+
+try:  # Test for SSL features
+    import ssl
+    from ssl import CERT_REQUIRED, wrap_socket
+except ImportError:
+    pass
+
+try:
+    from ssl import HAS_SNI  # Has SNI?
+except ImportError:
+    pass
+
+try:
+    from .ssltransport import SSLTransport
+except ImportError:
+    pass
+
+
+try:  # Platform-specific: Python 3.6
+    from ssl import PROTOCOL_TLS
+
+    PROTOCOL_SSLv23 = PROTOCOL_TLS
+except ImportError:
+    try:
+        from ssl import PROTOCOL_SSLv23 as PROTOCOL_TLS
+
+        PROTOCOL_SSLv23 = PROTOCOL_TLS
+    except ImportError:
+        PROTOCOL_SSLv23 = PROTOCOL_TLS = 2
+
+try:
+    from ssl import PROTOCOL_TLS_CLIENT
+except ImportError:
+    PROTOCOL_TLS_CLIENT = PROTOCOL_TLS
+
+
+try:
+    from ssl import OP_NO_COMPRESSION, OP_NO_SSLv2, OP_NO_SSLv3
+except ImportError:
+    OP_NO_SSLv2, OP_NO_SSLv3 = 0x1000000, 0x2000000
+    OP_NO_COMPRESSION = 0x20000
+
+
+try:  # OP_NO_TICKET was added in Python 3.6
+    from ssl import OP_NO_TICKET
+except ImportError:
+    OP_NO_TICKET = 0x4000
+
+
+# A secure default.
+# Sources for more information on TLS ciphers:
+#
+# - https://wiki.mozilla.org/Security/Server_Side_TLS
+# - https://www.ssllabs.com/projects/best-practices/index.html
+# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
+#
+# The general intent is:
+# - prefer cipher suites that offer perfect forward secrecy (DHE/ECDHE),
+# - prefer ECDHE over DHE for better performance,
+# - prefer any AES-GCM and ChaCha20 over any AES-CBC for better performance and
+#   security,
+# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common,
+# - disable NULL authentication, MD5 MACs, DSS, and other
+#   insecure ciphers for security reasons.
+# - NOTE: TLS 1.3 cipher suites are managed through a different interface
+#   not exposed by CPython (yet!) and are enabled by default if they're available.
+DEFAULT_CIPHERS = ":".join(
+    [
+        "ECDHE+AESGCM",
+        "ECDHE+CHACHA20",
+        "DHE+AESGCM",
+        "DHE+CHACHA20",
+        "ECDH+AESGCM",
+        "DH+AESGCM",
+        "ECDH+AES",
+        "DH+AES",
+        "RSA+AESGCM",
+        "RSA+AES",
+        "!aNULL",
+        "!eNULL",
+        "!MD5",
+        "!DSS",
+    ]
+)
+
+try:
+    from ssl import SSLContext  # Modern SSL?
+except ImportError:
+
+    class SSLContext(object):  # Platform-specific: Python 2
+        def __init__(self, protocol_version):
+            self.protocol = protocol_version
+            # Use default values from a real SSLContext
+            self.check_hostname = False
+            self.verify_mode = ssl.CERT_NONE
+            self.ca_certs = None
+            self.options = 0
+            self.certfile = None
+            self.keyfile = None
+            self.ciphers = None
+
+        def load_cert_chain(self, certfile, keyfile):
+            self.certfile = certfile
+            self.keyfile = keyfile
+
+        def load_verify_locations(self, cafile=None, capath=None, cadata=None):
+            self.ca_certs = cafile
+
+            if capath is not None:
+                raise SSLError("CA directories not supported in older Pythons")
+
+            if cadata is not None:
+                raise SSLError("CA data not supported in older Pythons")
+
+        def set_ciphers(self, cipher_suite):
+            self.ciphers = cipher_suite
+
+        def wrap_socket(self, socket, server_hostname=None, server_side=False):
+            warnings.warn(
+                "A true SSLContext object is not available. This prevents "
+                "urllib3 from configuring SSL appropriately and may cause "
+                "certain SSL connections to fail. You can upgrade to a newer "
+                "version of Python to solve this. For more information, see "
+                "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+                "#ssl-warnings",
+                InsecurePlatformWarning,
+            )
+            kwargs = {
+                "keyfile": self.keyfile,
+                "certfile": self.certfile,
+                "ca_certs": self.ca_certs,
+                "cert_reqs": self.verify_mode,
+                "ssl_version": self.protocol,
+                "server_side": server_side,
+            }
+            return wrap_socket(socket, ciphers=self.ciphers, **kwargs)
+
+
+def assert_fingerprint(cert, fingerprint):
+    """
+    Checks if given fingerprint matches the supplied certificate.
+
+    :param cert:
+        Certificate as bytes object.
+    :param fingerprint:
+        Fingerprint as string of hexdigits, can be interspersed by colons.
+    """
+
+    fingerprint = fingerprint.replace(":", "").lower()
+    digest_length = len(fingerprint)
+    hashfunc = HASHFUNC_MAP.get(digest_length)
+    if not hashfunc:
+        raise SSLError("Fingerprint of invalid length: {0}".format(fingerprint))
+
+    # We need encode() here for py32; works on py2 and p33.
+    fingerprint_bytes = unhexlify(fingerprint.encode())
+
+    cert_digest = hashfunc(cert).digest()
+
+    if not _const_compare_digest(cert_digest, fingerprint_bytes):
+        raise SSLError(
+            'Fingerprints did not match. Expected "{0}", got "{1}".'.format(
+                fingerprint, hexlify(cert_digest)
+            )
+        )
+
+
+def resolve_cert_reqs(candidate):
+    """
+    Resolves the argument to a numeric constant, which can be passed to
+    the wrap_socket function/method from the ssl module.
+    Defaults to :data:`ssl.CERT_REQUIRED`.
+    If given a string it is assumed to be the name of the constant in the
+    :mod:`ssl` module or its abbreviation.
+    (So you can specify `REQUIRED` instead of `CERT_REQUIRED`.
+    If it's neither `None` nor a string we assume it is already the numeric
+    constant which can directly be passed to wrap_socket.
+    """
+    if candidate is None:
+        return CERT_REQUIRED
+
+    if isinstance(candidate, str):
+        res = getattr(ssl, candidate, None)
+        if res is None:
+            res = getattr(ssl, "CERT_" + candidate)
+        return res
+
+    return candidate
+
+
+def resolve_ssl_version(candidate):
+    """
+    like resolve_cert_reqs
+    """
+    if candidate is None:
+        return PROTOCOL_TLS
+
+    if isinstance(candidate, str):
+        res = getattr(ssl, candidate, None)
+        if res is None:
+            res = getattr(ssl, "PROTOCOL_" + candidate)
+        return res
+
+    return candidate
+
+
+def create_urllib3_context(
+    ssl_version=None, cert_reqs=None, options=None, ciphers=None
+):
+    """All arguments have the same meaning as ``ssl_wrap_socket``.
+
+    By default, this function does a lot of the same work that
+    ``ssl.create_default_context`` does on Python 3.4+. It:
+
+    - Disables SSLv2, SSLv3, and compression
+    - Sets a restricted set of server ciphers
+
+    If you wish to enable SSLv3, you can do::
+
+        from pip._vendor.urllib3.util import ssl_
+        context = ssl_.create_urllib3_context()
+        context.options &= ~ssl_.OP_NO_SSLv3
+
+    You can do the same to enable compression (substituting ``COMPRESSION``
+    for ``SSLv3`` in the last line above).
+
+    :param ssl_version:
+        The desired protocol version to use. This will default to
+        PROTOCOL_SSLv23 which will negotiate the highest protocol that both
+        the server and your installation of OpenSSL support.
+    :param cert_reqs:
+        Whether to require the certificate verification. This defaults to
+        ``ssl.CERT_REQUIRED``.
+    :param options:
+        Specific OpenSSL options. These default to ``ssl.OP_NO_SSLv2``,
+        ``ssl.OP_NO_SSLv3``, ``ssl.OP_NO_COMPRESSION``, and ``ssl.OP_NO_TICKET``.
+    :param ciphers:
+        Which cipher suites to allow the server to select.
+    :returns:
+        Constructed SSLContext object with specified options
+    :rtype: SSLContext
+    """
+    # PROTOCOL_TLS is deprecated in Python 3.10
+    if not ssl_version or ssl_version == PROTOCOL_TLS:
+        ssl_version = PROTOCOL_TLS_CLIENT
+
+    context = SSLContext(ssl_version)
+
+    context.set_ciphers(ciphers or DEFAULT_CIPHERS)
+
+    # Setting the default here, as we may have no ssl module on import
+    cert_reqs = ssl.CERT_REQUIRED if cert_reqs is None else cert_reqs
+
+    if options is None:
+        options = 0
+        # SSLv2 is easily broken and is considered harmful and dangerous
+        options |= OP_NO_SSLv2
+        # SSLv3 has several problems and is now dangerous
+        options |= OP_NO_SSLv3
+        # Disable compression to prevent CRIME attacks for OpenSSL 1.0+
+        # (issue #309)
+        options |= OP_NO_COMPRESSION
+        # TLSv1.2 only. Unless set explicitly, do not request tickets.
+        # This may save some bandwidth on wire, and although the ticket is encrypted,
+        # there is a risk associated with it being on wire,
+        # if the server is not rotating its ticketing keys properly.
+        options |= OP_NO_TICKET
+
+    context.options |= options
+
+    # Enable post-handshake authentication for TLS 1.3, see GH #1634. PHA is
+    # necessary for conditional client cert authentication with TLS 1.3.
+    # The attribute is None for OpenSSL <= 1.1.0 or does not exist in older
+    # versions of Python.  We only enable on Python 3.7.4+ or if certificate
+    # verification is enabled to work around Python issue #37428
+    # See: https://bugs.python.org/issue37428
+    if (cert_reqs == ssl.CERT_REQUIRED or sys.version_info >= (3, 7, 4)) and getattr(
+        context, "post_handshake_auth", None
+    ) is not None:
+        context.post_handshake_auth = True
+
+    def disable_check_hostname():
+        if (
+            getattr(context, "check_hostname", None) is not None
+        ):  # Platform-specific: Python 3.2
+            # We do our own verification, including fingerprints and alternative
+            # hostnames. So disable it here
+            context.check_hostname = False
+
+    # The order of the below lines setting verify_mode and check_hostname
+    # matter due to safe-guards SSLContext has to prevent an SSLContext with
+    # check_hostname=True, verify_mode=NONE/OPTIONAL. This is made even more
+    # complex because we don't know whether PROTOCOL_TLS_CLIENT will be used
+    # or not so we don't know the initial state of the freshly created SSLContext.
+    if cert_reqs == ssl.CERT_REQUIRED:
+        context.verify_mode = cert_reqs
+        disable_check_hostname()
+    else:
+        disable_check_hostname()
+        context.verify_mode = cert_reqs
+
+    # Enable logging of TLS session keys via defacto standard environment variable
+    # 'SSLKEYLOGFILE', if the feature is available (Python 3.8+). Skip empty values.
+    if hasattr(context, "keylog_filename"):
+        sslkeylogfile = os.environ.get("SSLKEYLOGFILE")
+        if sslkeylogfile:
+            context.keylog_filename = sslkeylogfile
+
+    return context
+
+
+def ssl_wrap_socket(
+    sock,
+    keyfile=None,
+    certfile=None,
+    cert_reqs=None,
+    ca_certs=None,
+    server_hostname=None,
+    ssl_version=None,
+    ciphers=None,
+    ssl_context=None,
+    ca_cert_dir=None,
+    key_password=None,
+    ca_cert_data=None,
+    tls_in_tls=False,
+):
+    """
+    All arguments except for server_hostname, ssl_context, and ca_cert_dir have
+    the same meaning as they do when using :func:`ssl.wrap_socket`.
+
+    :param server_hostname:
+        When SNI is supported, the expected hostname of the certificate
+    :param ssl_context:
+        A pre-made :class:`SSLContext` object. If none is provided, one will
+        be created using :func:`create_urllib3_context`.
+    :param ciphers:
+        A string of ciphers we wish the client to support.
+    :param ca_cert_dir:
+        A directory containing CA certificates in multiple separate files, as
+        supported by OpenSSL's -CApath flag or the capath argument to
+        SSLContext.load_verify_locations().
+    :param key_password:
+        Optional password if the keyfile is encrypted.
+    :param ca_cert_data:
+        Optional string containing CA certificates in PEM format suitable for
+        passing as the cadata parameter to SSLContext.load_verify_locations()
+    :param tls_in_tls:
+        Use SSLTransport to wrap the existing socket.
+    """
+    context = ssl_context
+    if context is None:
+        # Note: This branch of code and all the variables in it are no longer
+        # used by urllib3 itself. We should consider deprecating and removing
+        # this code.
+        context = create_urllib3_context(ssl_version, cert_reqs, ciphers=ciphers)
+
+    if ca_certs or ca_cert_dir or ca_cert_data:
+        try:
+            context.load_verify_locations(ca_certs, ca_cert_dir, ca_cert_data)
+        except (IOError, OSError) as e:
+            raise SSLError(e)
+
+    elif ssl_context is None and hasattr(context, "load_default_certs"):
+        # try to load OS default certs; works well on Windows (require Python3.4+)
+        context.load_default_certs()
+
+    # Attempt to detect if we get the goofy behavior of the
+    # keyfile being encrypted and OpenSSL asking for the
+    # passphrase via the terminal and instead error out.
+    if keyfile and key_password is None and _is_key_file_encrypted(keyfile):
+        raise SSLError("Client private key is encrypted, password is required")
+
+    if certfile:
+        if key_password is None:
+            context.load_cert_chain(certfile, keyfile)
+        else:
+            context.load_cert_chain(certfile, keyfile, key_password)
+
+    try:
+        if hasattr(context, "set_alpn_protocols"):
+            context.set_alpn_protocols(ALPN_PROTOCOLS)
+    except NotImplementedError:  # Defensive: in CI, we always have set_alpn_protocols
+        pass
+
+    # If we detect server_hostname is an IP address then the SNI
+    # extension should not be used according to RFC3546 Section 3.1
+    use_sni_hostname = server_hostname and not is_ipaddress(server_hostname)
+    # SecureTransport uses server_hostname in certificate verification.
+    send_sni = (use_sni_hostname and HAS_SNI) or (
+        IS_SECURETRANSPORT and server_hostname
+    )
+    # Do not warn the user if server_hostname is an invalid SNI hostname.
+    if not HAS_SNI and use_sni_hostname:
+        warnings.warn(
+            "An HTTPS request has been made, but the SNI (Server Name "
+            "Indication) extension to TLS is not available on this platform. "
+            "This may cause the server to present an incorrect TLS "
+            "certificate, which can cause validation failures. You can upgrade to "
+            "a newer version of Python to solve this. For more information, see "
+            "https://urllib3.readthedocs.io/en/1.26.x/advanced-usage.html"
+            "#ssl-warnings",
+            SNIMissingWarning,
+        )
+
+    if send_sni:
+        ssl_sock = _ssl_wrap_socket_impl(
+            sock, context, tls_in_tls, server_hostname=server_hostname
+        )
+    else:
+        ssl_sock = _ssl_wrap_socket_impl(sock, context, tls_in_tls)
+    return ssl_sock
+
+
+def is_ipaddress(hostname):
+    """Detects whether the hostname given is an IPv4 or IPv6 address.
+    Also detects IPv6 addresses with Zone IDs.
+
+    :param str hostname: Hostname to examine.
+    :return: True if the hostname is an IP address, False otherwise.
+    """
+    if not six.PY2 and isinstance(hostname, bytes):
+        # IDN A-label bytes are ASCII compatible.
+        hostname = hostname.decode("ascii")
+    return bool(IPV4_RE.match(hostname) or BRACELESS_IPV6_ADDRZ_RE.match(hostname))
+
+
+def _is_key_file_encrypted(key_file):
+    """Detects if a key file is encrypted or not."""
+    with open(key_file, "r") as f:
+        for line in f:
+            # Look for Proc-Type: 4,ENCRYPTED
+            if "ENCRYPTED" in line:
+                return True
+
+    return False
+
+
+def _ssl_wrap_socket_impl(sock, ssl_context, tls_in_tls, server_hostname=None):
+    if tls_in_tls:
+        if not SSLTransport:
+            # Import error, ssl is not available.
+            raise ProxySchemeUnsupported(
+                "TLS in TLS requires support for the 'ssl' module"
+            )
+
+        SSLTransport._validate_ssl_context_for_tls_in_tls(ssl_context)
+        return SSLTransport(sock, ssl_context, server_hostname)
+
+    if server_hostname:
+        return ssl_context.wrap_socket(sock, server_hostname=server_hostname)
+    else:
+        return ssl_context.wrap_socket(sock)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssl_match_hostname.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssl_match_hostname.py
new file mode 100644
index 00000000..1dd950c4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssl_match_hostname.py
@@ -0,0 +1,159 @@
+"""The match_hostname() function from Python 3.3.3, essential when using SSL."""
+
+# Note: This file is under the PSF license as the code comes from the python
+# stdlib.   http://docs.python.org/3/license.html
+
+import re
+import sys
+
+# ipaddress has been backported to 2.6+ in pypi.  If it is installed on the
+# system, use it to handle IPAddress ServerAltnames (this was added in
+# python-3.5) otherwise only do DNS matching.  This allows
+# util.ssl_match_hostname to continue to be used in Python 2.7.
+try:
+    import ipaddress
+except ImportError:
+    ipaddress = None
+
+__version__ = "3.5.0.1"
+
+
+class CertificateError(ValueError):
+    pass
+
+
+def _dnsname_match(dn, hostname, max_wildcards=1):
+    """Matching according to RFC 6125, section 6.4.3
+
+    http://tools.ietf.org/html/rfc6125#section-6.4.3
+    """
+    pats = []
+    if not dn:
+        return False
+
+    # Ported from python3-syntax:
+    # leftmost, *remainder = dn.split(r'.')
+    parts = dn.split(r".")
+    leftmost = parts[0]
+    remainder = parts[1:]
+
+    wildcards = leftmost.count("*")
+    if wildcards > max_wildcards:
+        # Issue #17980: avoid denials of service by refusing more
+        # than one wildcard per fragment.  A survey of established
+        # policy among SSL implementations showed it to be a
+        # reasonable choice.
+        raise CertificateError(
+            "too many wildcards in certificate DNS name: " + repr(dn)
+        )
+
+    # speed up common case w/o wildcards
+    if not wildcards:
+        return dn.lower() == hostname.lower()
+
+    # RFC 6125, section 6.4.3, subitem 1.
+    # The client SHOULD NOT attempt to match a presented identifier in which
+    # the wildcard character comprises a label other than the left-most label.
+    if leftmost == "*":
+        # When '*' is a fragment by itself, it matches a non-empty dotless
+        # fragment.
+        pats.append("[^.]+")
+    elif leftmost.startswith("xn--") or hostname.startswith("xn--"):
+        # RFC 6125, section 6.4.3, subitem 3.
+        # The client SHOULD NOT attempt to match a presented identifier
+        # where the wildcard character is embedded within an A-label or
+        # U-label of an internationalized domain name.
+        pats.append(re.escape(leftmost))
+    else:
+        # Otherwise, '*' matches any dotless string, e.g. www*
+        pats.append(re.escape(leftmost).replace(r"\*", "[^.]*"))
+
+    # add the remaining fragments, ignore any wildcards
+    for frag in remainder:
+        pats.append(re.escape(frag))
+
+    pat = re.compile(r"\A" + r"\.".join(pats) + r"\Z", re.IGNORECASE)
+    return pat.match(hostname)
+
+
+def _to_unicode(obj):
+    if isinstance(obj, str) and sys.version_info < (3,):
+        # ignored flake8 # F821 to support python 2.7 function
+        obj = unicode(obj, encoding="ascii", errors="strict")  # noqa: F821
+    return obj
+
+
+def _ipaddress_match(ipname, host_ip):
+    """Exact matching of IP addresses.
+
+    RFC 6125 explicitly doesn't define an algorithm for this
+    (section 1.7.2 - "Out of Scope").
+    """
+    # OpenSSL may add a trailing newline to a subjectAltName's IP address
+    # Divergence from upstream: ipaddress can't handle byte str
+    ip = ipaddress.ip_address(_to_unicode(ipname).rstrip())
+    return ip == host_ip
+
+
+def match_hostname(cert, hostname):
+    """Verify that *cert* (in decoded format as returned by
+    SSLSocket.getpeercert()) matches the *hostname*.  RFC 2818 and RFC 6125
+    rules are followed, but IP addresses are not accepted for *hostname*.
+
+    CertificateError is raised on failure. On success, the function
+    returns nothing.
+    """
+    if not cert:
+        raise ValueError(
+            "empty or no certificate, match_hostname needs a "
+            "SSL socket or SSL context with either "
+            "CERT_OPTIONAL or CERT_REQUIRED"
+        )
+    try:
+        # Divergence from upstream: ipaddress can't handle byte str
+        host_ip = ipaddress.ip_address(_to_unicode(hostname))
+    except (UnicodeError, ValueError):
+        # ValueError: Not an IP address (common case)
+        # UnicodeError: Divergence from upstream: Have to deal with ipaddress not taking
+        # byte strings.  addresses should be all ascii, so we consider it not
+        # an ipaddress in this case
+        host_ip = None
+    except AttributeError:
+        # Divergence from upstream: Make ipaddress library optional
+        if ipaddress is None:
+            host_ip = None
+        else:  # Defensive
+            raise
+    dnsnames = []
+    san = cert.get("subjectAltName", ())
+    for key, value in san:
+        if key == "DNS":
+            if host_ip is None and _dnsname_match(value, hostname):
+                return
+            dnsnames.append(value)
+        elif key == "IP Address":
+            if host_ip is not None and _ipaddress_match(value, host_ip):
+                return
+            dnsnames.append(value)
+    if not dnsnames:
+        # The subject is only checked when there is no dNSName entry
+        # in subjectAltName
+        for sub in cert.get("subject", ()):
+            for key, value in sub:
+                # XXX according to RFC 2818, the most specific Common Name
+                # must be used.
+                if key == "commonName":
+                    if _dnsname_match(value, hostname):
+                        return
+                    dnsnames.append(value)
+    if len(dnsnames) > 1:
+        raise CertificateError(
+            "hostname %r "
+            "doesn't match either of %s" % (hostname, ", ".join(map(repr, dnsnames)))
+        )
+    elif len(dnsnames) == 1:
+        raise CertificateError("hostname %r doesn't match %r" % (hostname, dnsnames[0]))
+    else:
+        raise CertificateError(
+            "no appropriate commonName or subjectAltName fields were found"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssltransport.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssltransport.py
new file mode 100644
index 00000000..4a7105d1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/ssltransport.py
@@ -0,0 +1,221 @@
+import io
+import socket
+import ssl
+
+from ..exceptions import ProxySchemeUnsupported
+from ..packages import six
+
+SSL_BLOCKSIZE = 16384
+
+
+class SSLTransport:
+    """
+    The SSLTransport wraps an existing socket and establishes an SSL connection.
+
+    Contrary to Python's implementation of SSLSocket, it allows you to chain
+    multiple TLS connections together. It's particularly useful if you need to
+    implement TLS within TLS.
+
+    The class supports most of the socket API operations.
+    """
+
+    @staticmethod
+    def _validate_ssl_context_for_tls_in_tls(ssl_context):
+        """
+        Raises a ProxySchemeUnsupported if the provided ssl_context can't be used
+        for TLS in TLS.
+
+        The only requirement is that the ssl_context provides the 'wrap_bio'
+        methods.
+        """
+
+        if not hasattr(ssl_context, "wrap_bio"):
+            if six.PY2:
+                raise ProxySchemeUnsupported(
+                    "TLS in TLS requires SSLContext.wrap_bio() which isn't "
+                    "supported on Python 2"
+                )
+            else:
+                raise ProxySchemeUnsupported(
+                    "TLS in TLS requires SSLContext.wrap_bio() which isn't "
+                    "available on non-native SSLContext"
+                )
+
+    def __init__(
+        self, socket, ssl_context, server_hostname=None, suppress_ragged_eofs=True
+    ):
+        """
+        Create an SSLTransport around socket using the provided ssl_context.
+        """
+        self.incoming = ssl.MemoryBIO()
+        self.outgoing = ssl.MemoryBIO()
+
+        self.suppress_ragged_eofs = suppress_ragged_eofs
+        self.socket = socket
+
+        self.sslobj = ssl_context.wrap_bio(
+            self.incoming, self.outgoing, server_hostname=server_hostname
+        )
+
+        # Perform initial handshake.
+        self._ssl_io_loop(self.sslobj.do_handshake)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *_):
+        self.close()
+
+    def fileno(self):
+        return self.socket.fileno()
+
+    def read(self, len=1024, buffer=None):
+        return self._wrap_ssl_read(len, buffer)
+
+    def recv(self, len=1024, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to recv")
+        return self._wrap_ssl_read(len)
+
+    def recv_into(self, buffer, nbytes=None, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to recv_into")
+        if buffer and (nbytes is None):
+            nbytes = len(buffer)
+        elif nbytes is None:
+            nbytes = 1024
+        return self.read(nbytes, buffer)
+
+    def sendall(self, data, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to sendall")
+        count = 0
+        with memoryview(data) as view, view.cast("B") as byte_view:
+            amount = len(byte_view)
+            while count < amount:
+                v = self.send(byte_view[count:])
+                count += v
+
+    def send(self, data, flags=0):
+        if flags != 0:
+            raise ValueError("non-zero flags not allowed in calls to send")
+        response = self._ssl_io_loop(self.sslobj.write, data)
+        return response
+
+    def makefile(
+        self, mode="r", buffering=None, encoding=None, errors=None, newline=None
+    ):
+        """
+        Python's httpclient uses makefile and buffered io when reading HTTP
+        messages and we need to support it.
+
+        This is unfortunately a copy and paste of socket.py makefile with small
+        changes to point to the socket directly.
+        """
+        if not set(mode) <= {"r", "w", "b"}:
+            raise ValueError("invalid mode %r (only r, w, b allowed)" % (mode,))
+
+        writing = "w" in mode
+        reading = "r" in mode or not writing
+        assert reading or writing
+        binary = "b" in mode
+        rawmode = ""
+        if reading:
+            rawmode += "r"
+        if writing:
+            rawmode += "w"
+        raw = socket.SocketIO(self, rawmode)
+        self.socket._io_refs += 1
+        if buffering is None:
+            buffering = -1
+        if buffering < 0:
+            buffering = io.DEFAULT_BUFFER_SIZE
+        if buffering == 0:
+            if not binary:
+                raise ValueError("unbuffered streams must be binary")
+            return raw
+        if reading and writing:
+            buffer = io.BufferedRWPair(raw, raw, buffering)
+        elif reading:
+            buffer = io.BufferedReader(raw, buffering)
+        else:
+            assert writing
+            buffer = io.BufferedWriter(raw, buffering)
+        if binary:
+            return buffer
+        text = io.TextIOWrapper(buffer, encoding, errors, newline)
+        text.mode = mode
+        return text
+
+    def unwrap(self):
+        self._ssl_io_loop(self.sslobj.unwrap)
+
+    def close(self):
+        self.socket.close()
+
+    def getpeercert(self, binary_form=False):
+        return self.sslobj.getpeercert(binary_form)
+
+    def version(self):
+        return self.sslobj.version()
+
+    def cipher(self):
+        return self.sslobj.cipher()
+
+    def selected_alpn_protocol(self):
+        return self.sslobj.selected_alpn_protocol()
+
+    def selected_npn_protocol(self):
+        return self.sslobj.selected_npn_protocol()
+
+    def shared_ciphers(self):
+        return self.sslobj.shared_ciphers()
+
+    def compression(self):
+        return self.sslobj.compression()
+
+    def settimeout(self, value):
+        self.socket.settimeout(value)
+
+    def gettimeout(self):
+        return self.socket.gettimeout()
+
+    def _decref_socketios(self):
+        self.socket._decref_socketios()
+
+    def _wrap_ssl_read(self, len, buffer=None):
+        try:
+            return self._ssl_io_loop(self.sslobj.read, len, buffer)
+        except ssl.SSLError as e:
+            if e.errno == ssl.SSL_ERROR_EOF and self.suppress_ragged_eofs:
+                return 0  # eof, return 0.
+            else:
+                raise
+
+    def _ssl_io_loop(self, func, *args):
+        """Performs an I/O loop between incoming/outgoing and the socket."""
+        should_loop = True
+        ret = None
+
+        while should_loop:
+            errno = None
+            try:
+                ret = func(*args)
+            except ssl.SSLError as e:
+                if e.errno not in (ssl.SSL_ERROR_WANT_READ, ssl.SSL_ERROR_WANT_WRITE):
+                    # WANT_READ, and WANT_WRITE are expected, others are not.
+                    raise e
+                errno = e.errno
+
+            buf = self.outgoing.read()
+            self.socket.sendall(buf)
+
+            if errno is None:
+                should_loop = False
+            elif errno == ssl.SSL_ERROR_WANT_READ:
+                buf = self.socket.recv(SSL_BLOCKSIZE)
+                if buf:
+                    self.incoming.write(buf)
+                else:
+                    self.incoming.write_eof()
+        return ret
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/timeout.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/timeout.py
new file mode 100644
index 00000000..78e18a62
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/timeout.py
@@ -0,0 +1,271 @@
+from __future__ import absolute_import
+
+import time
+
+# The default socket timeout, used by httplib to indicate that no timeout was; specified by the user
+from socket import _GLOBAL_DEFAULT_TIMEOUT, getdefaulttimeout
+
+from ..exceptions import TimeoutStateError
+
+# A sentinel value to indicate that no timeout was specified by the user in
+# urllib3
+_Default = object()
+
+
+# Use time.monotonic if available.
+current_time = getattr(time, "monotonic", time.time)
+
+
+class Timeout(object):
+    """Timeout configuration.
+
+    Timeouts can be defined as a default for a pool:
+
+    .. code-block:: python
+
+       timeout = Timeout(connect=2.0, read=7.0)
+       http = PoolManager(timeout=timeout)
+       response = http.request('GET', 'http://example.com/')
+
+    Or per-request (which overrides the default for the pool):
+
+    .. code-block:: python
+
+       response = http.request('GET', 'http://example.com/', timeout=Timeout(10))
+
+    Timeouts can be disabled by setting all the parameters to ``None``:
+
+    .. code-block:: python
+
+       no_timeout = Timeout(connect=None, read=None)
+       response = http.request('GET', 'http://example.com/, timeout=no_timeout)
+
+
+    :param total:
+        This combines the connect and read timeouts into one; the read timeout
+        will be set to the time leftover from the connect attempt. In the
+        event that both a connect timeout and a total are specified, or a read
+        timeout and a total are specified, the shorter timeout will be applied.
+
+        Defaults to None.
+
+    :type total: int, float, or None
+
+    :param connect:
+        The maximum amount of time (in seconds) to wait for a connection
+        attempt to a server to succeed. Omitting the parameter will default the
+        connect timeout to the system default, probably `the global default
+        timeout in socket.py
+        <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_.
+        None will set an infinite timeout for connection attempts.
+
+    :type connect: int, float, or None
+
+    :param read:
+        The maximum amount of time (in seconds) to wait between consecutive
+        read operations for a response from the server. Omitting the parameter
+        will default the read timeout to the system default, probably `the
+        global default timeout in socket.py
+        <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_.
+        None will set an infinite timeout.
+
+    :type read: int, float, or None
+
+    .. note::
+
+        Many factors can affect the total amount of time for urllib3 to return
+        an HTTP response.
+
+        For example, Python's DNS resolver does not obey the timeout specified
+        on the socket. Other factors that can affect total request time include
+        high CPU load, high swap, the program running at a low priority level,
+        or other behaviors.
+
+        In addition, the read and total timeouts only measure the time between
+        read operations on the socket connecting the client and the server,
+        not the total amount of time for the request to return a complete
+        response. For most requests, the timeout is raised because the server
+        has not sent the first byte in the specified time. This is not always
+        the case; if a server streams one byte every fifteen seconds, a timeout
+        of 20 seconds will not trigger, even though the request will take
+        several minutes to complete.
+
+        If your goal is to cut off any request after a set amount of wall clock
+        time, consider having a second "watcher" thread to cut off a slow
+        request.
+    """
+
+    #: A sentinel object representing the default timeout value
+    DEFAULT_TIMEOUT = _GLOBAL_DEFAULT_TIMEOUT
+
+    def __init__(self, total=None, connect=_Default, read=_Default):
+        self._connect = self._validate_timeout(connect, "connect")
+        self._read = self._validate_timeout(read, "read")
+        self.total = self._validate_timeout(total, "total")
+        self._start_connect = None
+
+    def __repr__(self):
+        return "%s(connect=%r, read=%r, total=%r)" % (
+            type(self).__name__,
+            self._connect,
+            self._read,
+            self.total,
+        )
+
+    # __str__ provided for backwards compatibility
+    __str__ = __repr__
+
+    @classmethod
+    def resolve_default_timeout(cls, timeout):
+        return getdefaulttimeout() if timeout is cls.DEFAULT_TIMEOUT else timeout
+
+    @classmethod
+    def _validate_timeout(cls, value, name):
+        """Check that a timeout attribute is valid.
+
+        :param value: The timeout value to validate
+        :param name: The name of the timeout attribute to validate. This is
+            used to specify in error messages.
+        :return: The validated and casted version of the given value.
+        :raises ValueError: If it is a numeric value less than or equal to
+            zero, or the type is not an integer, float, or None.
+        """
+        if value is _Default:
+            return cls.DEFAULT_TIMEOUT
+
+        if value is None or value is cls.DEFAULT_TIMEOUT:
+            return value
+
+        if isinstance(value, bool):
+            raise ValueError(
+                "Timeout cannot be a boolean value. It must "
+                "be an int, float or None."
+            )
+        try:
+            float(value)
+        except (TypeError, ValueError):
+            raise ValueError(
+                "Timeout value %s was %s, but it must be an "
+                "int, float or None." % (name, value)
+            )
+
+        try:
+            if value <= 0:
+                raise ValueError(
+                    "Attempted to set %s timeout to %s, but the "
+                    "timeout cannot be set to a value less "
+                    "than or equal to 0." % (name, value)
+                )
+        except TypeError:
+            # Python 3
+            raise ValueError(
+                "Timeout value %s was %s, but it must be an "
+                "int, float or None." % (name, value)
+            )
+
+        return value
+
+    @classmethod
+    def from_float(cls, timeout):
+        """Create a new Timeout from a legacy timeout value.
+
+        The timeout value used by httplib.py sets the same timeout on the
+        connect(), and recv() socket requests. This creates a :class:`Timeout`
+        object that sets the individual timeouts to the ``timeout`` value
+        passed to this function.
+
+        :param timeout: The legacy timeout value.
+        :type timeout: integer, float, sentinel default object, or None
+        :return: Timeout object
+        :rtype: :class:`Timeout`
+        """
+        return Timeout(read=timeout, connect=timeout)
+
+    def clone(self):
+        """Create a copy of the timeout object
+
+        Timeout properties are stored per-pool but each request needs a fresh
+        Timeout object to ensure each one has its own start/stop configured.
+
+        :return: a copy of the timeout object
+        :rtype: :class:`Timeout`
+        """
+        # We can't use copy.deepcopy because that will also create a new object
+        # for _GLOBAL_DEFAULT_TIMEOUT, which socket.py uses as a sentinel to
+        # detect the user default.
+        return Timeout(connect=self._connect, read=self._read, total=self.total)
+
+    def start_connect(self):
+        """Start the timeout clock, used during a connect() attempt
+
+        :raises urllib3.exceptions.TimeoutStateError: if you attempt
+            to start a timer that has been started already.
+        """
+        if self._start_connect is not None:
+            raise TimeoutStateError("Timeout timer has already been started.")
+        self._start_connect = current_time()
+        return self._start_connect
+
+    def get_connect_duration(self):
+        """Gets the time elapsed since the call to :meth:`start_connect`.
+
+        :return: Elapsed time in seconds.
+        :rtype: float
+        :raises urllib3.exceptions.TimeoutStateError: if you attempt
+            to get duration for a timer that hasn't been started.
+        """
+        if self._start_connect is None:
+            raise TimeoutStateError(
+                "Can't get connect duration for timer that has not started."
+            )
+        return current_time() - self._start_connect
+
+    @property
+    def connect_timeout(self):
+        """Get the value to use when setting a connection timeout.
+
+        This will be a positive float or integer, the value None
+        (never timeout), or the default system timeout.
+
+        :return: Connect timeout.
+        :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None
+        """
+        if self.total is None:
+            return self._connect
+
+        if self._connect is None or self._connect is self.DEFAULT_TIMEOUT:
+            return self.total
+
+        return min(self._connect, self.total)
+
+    @property
+    def read_timeout(self):
+        """Get the value for the read timeout.
+
+        This assumes some time has elapsed in the connection timeout and
+        computes the read timeout appropriately.
+
+        If self.total is set, the read timeout is dependent on the amount of
+        time taken by the connect timeout. If the connection time has not been
+        established, a :exc:`~urllib3.exceptions.TimeoutStateError` will be
+        raised.
+
+        :return: Value to use for the read timeout.
+        :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None
+        :raises urllib3.exceptions.TimeoutStateError: If :meth:`start_connect`
+            has not yet been called on this object.
+        """
+        if (
+            self.total is not None
+            and self.total is not self.DEFAULT_TIMEOUT
+            and self._read is not None
+            and self._read is not self.DEFAULT_TIMEOUT
+        ):
+            # In case the connect timeout has not yet been established.
+            if self._start_connect is None:
+                return self._read
+            return max(0, min(self.total - self.get_connect_duration(), self._read))
+        elif self.total is not None and self.total is not self.DEFAULT_TIMEOUT:
+            return max(0, self.total - self.get_connect_duration())
+        else:
+            return self._read
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/url.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/url.py
new file mode 100644
index 00000000..a960b2f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/url.py
@@ -0,0 +1,435 @@
+from __future__ import absolute_import
+
+import re
+from collections import namedtuple
+
+from ..exceptions import LocationParseError
+from ..packages import six
+
+url_attrs = ["scheme", "auth", "host", "port", "path", "query", "fragment"]
+
+# We only want to normalize urls with an HTTP(S) scheme.
+# urllib3 infers URLs without a scheme (None) to be http.
+NORMALIZABLE_SCHEMES = ("http", "https", None)
+
+# Almost all of these patterns were derived from the
+# 'rfc3986' module: https://github.com/python-hyper/rfc3986
+PERCENT_RE = re.compile(r"%[a-fA-F0-9]{2}")
+SCHEME_RE = re.compile(r"^(?:[a-zA-Z][a-zA-Z0-9+-]*:|/)")
+URI_RE = re.compile(
+    r"^(?:([a-zA-Z][a-zA-Z0-9+.-]*):)?"
+    r"(?://([^\\/?#]*))?"
+    r"([^?#]*)"
+    r"(?:\?([^#]*))?"
+    r"(?:#(.*))?$",
+    re.UNICODE | re.DOTALL,
+)
+
+IPV4_PAT = r"(?:[0-9]{1,3}\.){3}[0-9]{1,3}"
+HEX_PAT = "[0-9A-Fa-f]{1,4}"
+LS32_PAT = "(?:{hex}:{hex}|{ipv4})".format(hex=HEX_PAT, ipv4=IPV4_PAT)
+_subs = {"hex": HEX_PAT, "ls32": LS32_PAT}
+_variations = [
+    #                            6( h16 ":" ) ls32
+    "(?:%(hex)s:){6}%(ls32)s",
+    #                       "::" 5( h16 ":" ) ls32
+    "::(?:%(hex)s:){5}%(ls32)s",
+    # [               h16 ] "::" 4( h16 ":" ) ls32
+    "(?:%(hex)s)?::(?:%(hex)s:){4}%(ls32)s",
+    # [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
+    "(?:(?:%(hex)s:)?%(hex)s)?::(?:%(hex)s:){3}%(ls32)s",
+    # [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
+    "(?:(?:%(hex)s:){0,2}%(hex)s)?::(?:%(hex)s:){2}%(ls32)s",
+    # [ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
+    "(?:(?:%(hex)s:){0,3}%(hex)s)?::%(hex)s:%(ls32)s",
+    # [ *4( h16 ":" ) h16 ] "::"              ls32
+    "(?:(?:%(hex)s:){0,4}%(hex)s)?::%(ls32)s",
+    # [ *5( h16 ":" ) h16 ] "::"              h16
+    "(?:(?:%(hex)s:){0,5}%(hex)s)?::%(hex)s",
+    # [ *6( h16 ":" ) h16 ] "::"
+    "(?:(?:%(hex)s:){0,6}%(hex)s)?::",
+]
+
+UNRESERVED_PAT = r"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._\-~"
+IPV6_PAT = "(?:" + "|".join([x % _subs for x in _variations]) + ")"
+ZONE_ID_PAT = "(?:%25|%)(?:[" + UNRESERVED_PAT + "]|%[a-fA-F0-9]{2})+"
+IPV6_ADDRZ_PAT = r"\[" + IPV6_PAT + r"(?:" + ZONE_ID_PAT + r")?\]"
+REG_NAME_PAT = r"(?:[^\[\]%:/?#]|%[a-fA-F0-9]{2})*"
+TARGET_RE = re.compile(r"^(/[^?#]*)(?:\?([^#]*))?(?:#.*)?$")
+
+IPV4_RE = re.compile("^" + IPV4_PAT + "$")
+IPV6_RE = re.compile("^" + IPV6_PAT + "$")
+IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT + "$")
+BRACELESS_IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT[2:-2] + "$")
+ZONE_ID_RE = re.compile("(" + ZONE_ID_PAT + r")\]$")
+
+_HOST_PORT_PAT = ("^(%s|%s|%s)(?::0*?(|0|[1-9][0-9]{0,4}))?$") % (
+    REG_NAME_PAT,
+    IPV4_PAT,
+    IPV6_ADDRZ_PAT,
+)
+_HOST_PORT_RE = re.compile(_HOST_PORT_PAT, re.UNICODE | re.DOTALL)
+
+UNRESERVED_CHARS = set(
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-~"
+)
+SUB_DELIM_CHARS = set("!$&'()*+,;=")
+USERINFO_CHARS = UNRESERVED_CHARS | SUB_DELIM_CHARS | {":"}
+PATH_CHARS = USERINFO_CHARS | {"@", "/"}
+QUERY_CHARS = FRAGMENT_CHARS = PATH_CHARS | {"?"}
+
+
+class Url(namedtuple("Url", url_attrs)):
+    """
+    Data structure for representing an HTTP URL. Used as a return value for
+    :func:`parse_url`. Both the scheme and host are normalized as they are
+    both case-insensitive according to RFC 3986.
+    """
+
+    __slots__ = ()
+
+    def __new__(
+        cls,
+        scheme=None,
+        auth=None,
+        host=None,
+        port=None,
+        path=None,
+        query=None,
+        fragment=None,
+    ):
+        if path and not path.startswith("/"):
+            path = "/" + path
+        if scheme is not None:
+            scheme = scheme.lower()
+        return super(Url, cls).__new__(
+            cls, scheme, auth, host, port, path, query, fragment
+        )
+
+    @property
+    def hostname(self):
+        """For backwards-compatibility with urlparse. We're nice like that."""
+        return self.host
+
+    @property
+    def request_uri(self):
+        """Absolute path including the query string."""
+        uri = self.path or "/"
+
+        if self.query is not None:
+            uri += "?" + self.query
+
+        return uri
+
+    @property
+    def netloc(self):
+        """Network location including host and port"""
+        if self.port:
+            return "%s:%d" % (self.host, self.port)
+        return self.host
+
+    @property
+    def url(self):
+        """
+        Convert self into a url
+
+        This function should more or less round-trip with :func:`.parse_url`. The
+        returned url may not be exactly the same as the url inputted to
+        :func:`.parse_url`, but it should be equivalent by the RFC (e.g., urls
+        with a blank port will have : removed).
+
+        Example: ::
+
+            >>> U = parse_url('http://google.com/mail/')
+            >>> U.url
+            'http://google.com/mail/'
+            >>> Url('http', 'username:password', 'host.com', 80,
+            ... '/path', 'query', 'fragment').url
+            'http://username:password@host.com:80/path?query#fragment'
+        """
+        scheme, auth, host, port, path, query, fragment = self
+        url = u""
+
+        # We use "is not None" we want things to happen with empty strings (or 0 port)
+        if scheme is not None:
+            url += scheme + u"://"
+        if auth is not None:
+            url += auth + u"@"
+        if host is not None:
+            url += host
+        if port is not None:
+            url += u":" + str(port)
+        if path is not None:
+            url += path
+        if query is not None:
+            url += u"?" + query
+        if fragment is not None:
+            url += u"#" + fragment
+
+        return url
+
+    def __str__(self):
+        return self.url
+
+
+def split_first(s, delims):
+    """
+    .. deprecated:: 1.25
+
+    Given a string and an iterable of delimiters, split on the first found
+    delimiter. Return two split parts and the matched delimiter.
+
+    If not found, then the first part is the full input string.
+
+    Example::
+
+        >>> split_first('foo/bar?baz', '?/=')
+        ('foo', 'bar?baz', '/')
+        >>> split_first('foo/bar?baz', '123')
+        ('foo/bar?baz', '', None)
+
+    Scales linearly with number of delims. Not ideal for large number of delims.
+    """
+    min_idx = None
+    min_delim = None
+    for d in delims:
+        idx = s.find(d)
+        if idx < 0:
+            continue
+
+        if min_idx is None or idx < min_idx:
+            min_idx = idx
+            min_delim = d
+
+    if min_idx is None or min_idx < 0:
+        return s, "", None
+
+    return s[:min_idx], s[min_idx + 1 :], min_delim
+
+
+def _encode_invalid_chars(component, allowed_chars, encoding="utf-8"):
+    """Percent-encodes a URI component without reapplying
+    onto an already percent-encoded component.
+    """
+    if component is None:
+        return component
+
+    component = six.ensure_text(component)
+
+    # Normalize existing percent-encoded bytes.
+    # Try to see if the component we're encoding is already percent-encoded
+    # so we can skip all '%' characters but still encode all others.
+    component, percent_encodings = PERCENT_RE.subn(
+        lambda match: match.group(0).upper(), component
+    )
+
+    uri_bytes = component.encode("utf-8", "surrogatepass")
+    is_percent_encoded = percent_encodings == uri_bytes.count(b"%")
+    encoded_component = bytearray()
+
+    for i in range(0, len(uri_bytes)):
+        # Will return a single character bytestring on both Python 2 & 3
+        byte = uri_bytes[i : i + 1]
+        byte_ord = ord(byte)
+        if (is_percent_encoded and byte == b"%") or (
+            byte_ord < 128 and byte.decode() in allowed_chars
+        ):
+            encoded_component += byte
+            continue
+        encoded_component.extend(b"%" + (hex(byte_ord)[2:].encode().zfill(2).upper()))
+
+    return encoded_component.decode(encoding)
+
+
+def _remove_path_dot_segments(path):
+    # See http://tools.ietf.org/html/rfc3986#section-5.2.4 for pseudo-code
+    segments = path.split("/")  # Turn the path into a list of segments
+    output = []  # Initialize the variable to use to store output
+
+    for segment in segments:
+        # '.' is the current directory, so ignore it, it is superfluous
+        if segment == ".":
+            continue
+        # Anything other than '..', should be appended to the output
+        elif segment != "..":
+            output.append(segment)
+        # In this case segment == '..', if we can, we should pop the last
+        # element
+        elif output:
+            output.pop()
+
+    # If the path starts with '/' and the output is empty or the first string
+    # is non-empty
+    if path.startswith("/") and (not output or output[0]):
+        output.insert(0, "")
+
+    # If the path starts with '/.' or '/..' ensure we add one more empty
+    # string to add a trailing '/'
+    if path.endswith(("/.", "/..")):
+        output.append("")
+
+    return "/".join(output)
+
+
+def _normalize_host(host, scheme):
+    if host:
+        if isinstance(host, six.binary_type):
+            host = six.ensure_str(host)
+
+        if scheme in NORMALIZABLE_SCHEMES:
+            is_ipv6 = IPV6_ADDRZ_RE.match(host)
+            if is_ipv6:
+                # IPv6 hosts of the form 'a::b%zone' are encoded in a URL as
+                # such per RFC 6874: 'a::b%25zone'. Unquote the ZoneID
+                # separator as necessary to return a valid RFC 4007 scoped IP.
+                match = ZONE_ID_RE.search(host)
+                if match:
+                    start, end = match.span(1)
+                    zone_id = host[start:end]
+
+                    if zone_id.startswith("%25") and zone_id != "%25":
+                        zone_id = zone_id[3:]
+                    else:
+                        zone_id = zone_id[1:]
+                    zone_id = "%" + _encode_invalid_chars(zone_id, UNRESERVED_CHARS)
+                    return host[:start].lower() + zone_id + host[end:]
+                else:
+                    return host.lower()
+            elif not IPV4_RE.match(host):
+                return six.ensure_str(
+                    b".".join([_idna_encode(label) for label in host.split(".")])
+                )
+    return host
+
+
+def _idna_encode(name):
+    if name and any(ord(x) >= 128 for x in name):
+        try:
+            from pip._vendor import idna
+        except ImportError:
+            six.raise_from(
+                LocationParseError("Unable to parse URL without the 'idna' module"),
+                None,
+            )
+        try:
+            return idna.encode(name.lower(), strict=True, std3_rules=True)
+        except idna.IDNAError:
+            six.raise_from(
+                LocationParseError(u"Name '%s' is not a valid IDNA label" % name), None
+            )
+    return name.lower().encode("ascii")
+
+
+def _encode_target(target):
+    """Percent-encodes a request target so that there are no invalid characters"""
+    path, query = TARGET_RE.match(target).groups()
+    target = _encode_invalid_chars(path, PATH_CHARS)
+    query = _encode_invalid_chars(query, QUERY_CHARS)
+    if query is not None:
+        target += "?" + query
+    return target
+
+
+def parse_url(url):
+    """
+    Given a url, return a parsed :class:`.Url` namedtuple. Best-effort is
+    performed to parse incomplete urls. Fields not provided will be None.
+    This parser is RFC 3986 and RFC 6874 compliant.
+
+    The parser logic and helper functions are based heavily on
+    work done in the ``rfc3986`` module.
+
+    :param str url: URL to parse into a :class:`.Url` namedtuple.
+
+    Partly backwards-compatible with :mod:`urlparse`.
+
+    Example::
+
+        >>> parse_url('http://google.com/mail/')
+        Url(scheme='http', host='google.com', port=None, path='/mail/', ...)
+        >>> parse_url('google.com:80')
+        Url(scheme=None, host='google.com', port=80, path=None, ...)
+        >>> parse_url('/foo?bar')
+        Url(scheme=None, host=None, port=None, path='/foo', query='bar', ...)
+    """
+    if not url:
+        # Empty
+        return Url()
+
+    source_url = url
+    if not SCHEME_RE.search(url):
+        url = "//" + url
+
+    try:
+        scheme, authority, path, query, fragment = URI_RE.match(url).groups()
+        normalize_uri = scheme is None or scheme.lower() in NORMALIZABLE_SCHEMES
+
+        if scheme:
+            scheme = scheme.lower()
+
+        if authority:
+            auth, _, host_port = authority.rpartition("@")
+            auth = auth or None
+            host, port = _HOST_PORT_RE.match(host_port).groups()
+            if auth and normalize_uri:
+                auth = _encode_invalid_chars(auth, USERINFO_CHARS)
+            if port == "":
+                port = None
+        else:
+            auth, host, port = None, None, None
+
+        if port is not None:
+            port = int(port)
+            if not (0 <= port <= 65535):
+                raise LocationParseError(url)
+
+        host = _normalize_host(host, scheme)
+
+        if normalize_uri and path:
+            path = _remove_path_dot_segments(path)
+            path = _encode_invalid_chars(path, PATH_CHARS)
+        if normalize_uri and query:
+            query = _encode_invalid_chars(query, QUERY_CHARS)
+        if normalize_uri and fragment:
+            fragment = _encode_invalid_chars(fragment, FRAGMENT_CHARS)
+
+    except (ValueError, AttributeError):
+        return six.raise_from(LocationParseError(source_url), None)
+
+    # For the sake of backwards compatibility we put empty
+    # string values for path if there are any defined values
+    # beyond the path in the URL.
+    # TODO: Remove this when we break backwards compatibility.
+    if not path:
+        if query is not None or fragment is not None:
+            path = ""
+        else:
+            path = None
+
+    # Ensure that each part of the URL is a `str` for
+    # backwards compatibility.
+    if isinstance(url, six.text_type):
+        ensure_func = six.ensure_text
+    else:
+        ensure_func = six.ensure_str
+
+    def ensure_type(x):
+        return x if x is None else ensure_func(x)
+
+    return Url(
+        scheme=ensure_type(scheme),
+        auth=ensure_type(auth),
+        host=ensure_type(host),
+        port=port,
+        path=ensure_type(path),
+        query=ensure_type(query),
+        fragment=ensure_type(fragment),
+    )
+
+
+def get_host(url):
+    """
+    Deprecated. Use :func:`parse_url` instead.
+    """
+    p = parse_url(url)
+    return p.scheme or "http", p.hostname, p.port
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/wait.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/wait.py
new file mode 100644
index 00000000..21b4590b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/urllib3/util/wait.py
@@ -0,0 +1,152 @@
+import errno
+import select
+import sys
+from functools import partial
+
+try:
+    from time import monotonic
+except ImportError:
+    from time import time as monotonic
+
+__all__ = ["NoWayToWaitForSocketError", "wait_for_read", "wait_for_write"]
+
+
+class NoWayToWaitForSocketError(Exception):
+    pass
+
+
+# How should we wait on sockets?
+#
+# There are two types of APIs you can use for waiting on sockets: the fancy
+# modern stateful APIs like epoll/kqueue, and the older stateless APIs like
+# select/poll. The stateful APIs are more efficient when you have a lots of
+# sockets to keep track of, because you can set them up once and then use them
+# lots of times. But we only ever want to wait on a single socket at a time
+# and don't want to keep track of state, so the stateless APIs are actually
+# more efficient. So we want to use select() or poll().
+#
+# Now, how do we choose between select() and poll()? On traditional Unixes,
+# select() has a strange calling convention that makes it slow, or fail
+# altogether, for high-numbered file descriptors. The point of poll() is to fix
+# that, so on Unixes, we prefer poll().
+#
+# On Windows, there is no poll() (or at least Python doesn't provide a wrapper
+# for it), but that's OK, because on Windows, select() doesn't have this
+# strange calling convention; plain select() works fine.
+#
+# So: on Windows we use select(), and everywhere else we use poll(). We also
+# fall back to select() in case poll() is somehow broken or missing.
+
+if sys.version_info >= (3, 5):
+    # Modern Python, that retries syscalls by default
+    def _retry_on_intr(fn, timeout):
+        return fn(timeout)
+
+else:
+    # Old and broken Pythons.
+    def _retry_on_intr(fn, timeout):
+        if timeout is None:
+            deadline = float("inf")
+        else:
+            deadline = monotonic() + timeout
+
+        while True:
+            try:
+                return fn(timeout)
+            # OSError for 3 <= pyver < 3.5, select.error for pyver <= 2.7
+            except (OSError, select.error) as e:
+                # 'e.args[0]' incantation works for both OSError and select.error
+                if e.args[0] != errno.EINTR:
+                    raise
+                else:
+                    timeout = deadline - monotonic()
+                    if timeout < 0:
+                        timeout = 0
+                    if timeout == float("inf"):
+                        timeout = None
+                    continue
+
+
+def select_wait_for_socket(sock, read=False, write=False, timeout=None):
+    if not read and not write:
+        raise RuntimeError("must specify at least one of read=True, write=True")
+    rcheck = []
+    wcheck = []
+    if read:
+        rcheck.append(sock)
+    if write:
+        wcheck.append(sock)
+    # When doing a non-blocking connect, most systems signal success by
+    # marking the socket writable. Windows, though, signals success by marked
+    # it as "exceptional". We paper over the difference by checking the write
+    # sockets for both conditions. (The stdlib selectors module does the same
+    # thing.)
+    fn = partial(select.select, rcheck, wcheck, wcheck)
+    rready, wready, xready = _retry_on_intr(fn, timeout)
+    return bool(rready or wready or xready)
+
+
+def poll_wait_for_socket(sock, read=False, write=False, timeout=None):
+    if not read and not write:
+        raise RuntimeError("must specify at least one of read=True, write=True")
+    mask = 0
+    if read:
+        mask |= select.POLLIN
+    if write:
+        mask |= select.POLLOUT
+    poll_obj = select.poll()
+    poll_obj.register(sock, mask)
+
+    # For some reason, poll() takes timeout in milliseconds
+    def do_poll(t):
+        if t is not None:
+            t *= 1000
+        return poll_obj.poll(t)
+
+    return bool(_retry_on_intr(do_poll, timeout))
+
+
+def null_wait_for_socket(*args, **kwargs):
+    raise NoWayToWaitForSocketError("no select-equivalent available")
+
+
+def _have_working_poll():
+    # Apparently some systems have a select.poll that fails as soon as you try
+    # to use it, either due to strange configuration or broken monkeypatching
+    # from libraries like eventlet/greenlet.
+    try:
+        poll_obj = select.poll()
+        _retry_on_intr(poll_obj.poll, 0)
+    except (AttributeError, OSError):
+        return False
+    else:
+        return True
+
+
+def wait_for_socket(*args, **kwargs):
+    # We delay choosing which implementation to use until the first time we're
+    # called. We could do it at import time, but then we might make the wrong
+    # decision if someone goes wild with monkeypatching select.poll after
+    # we're imported.
+    global wait_for_socket
+    if _have_working_poll():
+        wait_for_socket = poll_wait_for_socket
+    elif hasattr(select, "select"):
+        wait_for_socket = select_wait_for_socket
+    else:  # Platform-specific: Appengine.
+        wait_for_socket = null_wait_for_socket
+    return wait_for_socket(*args, **kwargs)
+
+
+def wait_for_read(sock, timeout=None):
+    """Waits for reading to be available on a given socket.
+    Returns True if the socket is readable, or False if the timeout expired.
+    """
+    return wait_for_socket(sock, read=True, timeout=timeout)
+
+
+def wait_for_write(sock, timeout=None):
+    """Waits for writing to be available on a given socket.
+    Returns True if the socket is readable, or False if the timeout expired.
+    """
+    return wait_for_socket(sock, write=True, timeout=timeout)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/vendor.txt b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/vendor.txt
new file mode 100644
index 00000000..5554c38e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/vendor.txt
@@ -0,0 +1,24 @@
+CacheControl==0.13.1  # Make sure to update the license in pyproject.toml for this.
+colorama==0.4.6
+distlib==0.3.8
+distro==1.8.0
+msgpack==1.0.5
+packaging==21.3
+platformdirs==3.8.1
+pyparsing==3.1.0
+pyproject-hooks==1.0.0
+requests==2.31.0
+    certifi==2023.7.22
+    chardet==5.1.0
+    idna==3.4
+    urllib3==1.26.17
+rich==13.4.2
+    pygments==2.15.1
+    typing_extensions==4.7.1
+resolvelib==1.0.1
+setuptools==68.0.0
+six==1.16.0
+tenacity==8.2.2
+tomli==2.0.1
+truststore==0.8.0
+webencodings==0.5.1
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/__init__.py
new file mode 100644
index 00000000..d21d697c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/__init__.py
@@ -0,0 +1,342 @@
+# coding: utf-8
+"""
+
+    webencodings
+    ~~~~~~~~~~~~
+
+    This is a Python implementation of the `WHATWG Encoding standard
+    <http://encoding.spec.whatwg.org/>`. See README for details.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+from __future__ import unicode_literals
+
+import codecs
+
+from .labels import LABELS
+
+
+VERSION = '0.5.1'
+
+
+# Some names in Encoding are not valid Python aliases. Remap these.
+PYTHON_NAMES = {
+    'iso-8859-8-i': 'iso-8859-8',
+    'x-mac-cyrillic': 'mac-cyrillic',
+    'macintosh': 'mac-roman',
+    'windows-874': 'cp874'}
+
+CACHE = {}
+
+
+def ascii_lower(string):
+    r"""Transform (only) ASCII letters to lower case: A-Z is mapped to a-z.
+
+    :param string: An Unicode string.
+    :returns: A new Unicode string.
+
+    This is used for `ASCII case-insensitive
+    <http://encoding.spec.whatwg.org/#ascii-case-insensitive>`_
+    matching of encoding labels.
+    The same matching is also used, among other things,
+    for `CSS keywords <http://dev.w3.org/csswg/css-values/#keywords>`_.
+
+    This is different from the :meth:`~py:str.lower` method of Unicode strings
+    which also affect non-ASCII characters,
+    sometimes mapping them into the ASCII range:
+
+        >>> keyword = u'Bac\N{KELVIN SIGN}ground'
+        >>> assert keyword.lower() == u'background'
+        >>> assert ascii_lower(keyword) != keyword.lower()
+        >>> assert ascii_lower(keyword) == u'bac\N{KELVIN SIGN}ground'
+
+    """
+    # This turns out to be faster than unicode.translate()
+    return string.encode('utf8').lower().decode('utf8')
+
+
+def lookup(label):
+    """
+    Look for an encoding by its label.
+    This is the spec’s `get an encoding
+    <http://encoding.spec.whatwg.org/#concept-encoding-get>`_ algorithm.
+    Supported labels are listed there.
+
+    :param label: A string.
+    :returns:
+        An :class:`Encoding` object, or :obj:`None` for an unknown label.
+
+    """
+    # Only strip ASCII whitespace: U+0009, U+000A, U+000C, U+000D, and U+0020.
+    label = ascii_lower(label.strip('\t\n\f\r '))
+    name = LABELS.get(label)
+    if name is None:
+        return None
+    encoding = CACHE.get(name)
+    if encoding is None:
+        if name == 'x-user-defined':
+            from .x_user_defined import codec_info
+        else:
+            python_name = PYTHON_NAMES.get(name, name)
+            # Any python_name value that gets to here should be valid.
+            codec_info = codecs.lookup(python_name)
+        encoding = Encoding(name, codec_info)
+        CACHE[name] = encoding
+    return encoding
+
+
+def _get_encoding(encoding_or_label):
+    """
+    Accept either an encoding object or label.
+
+    :param encoding: An :class:`Encoding` object or a label string.
+    :returns: An :class:`Encoding` object.
+    :raises: :exc:`~exceptions.LookupError` for an unknown label.
+
+    """
+    if hasattr(encoding_or_label, 'codec_info'):
+        return encoding_or_label
+
+    encoding = lookup(encoding_or_label)
+    if encoding is None:
+        raise LookupError('Unknown encoding label: %r' % encoding_or_label)
+    return encoding
+
+
+class Encoding(object):
+    """Reresents a character encoding such as UTF-8,
+    that can be used for decoding or encoding.
+
+    .. attribute:: name
+
+        Canonical name of the encoding
+
+    .. attribute:: codec_info
+
+        The actual implementation of the encoding,
+        a stdlib :class:`~codecs.CodecInfo` object.
+        See :func:`codecs.register`.
+
+    """
+    def __init__(self, name, codec_info):
+        self.name = name
+        self.codec_info = codec_info
+
+    def __repr__(self):
+        return '<Encoding %s>' % self.name
+
+
+#: The UTF-8 encoding. Should be used for new content and formats.
+UTF8 = lookup('utf-8')
+
+_UTF16LE = lookup('utf-16le')
+_UTF16BE = lookup('utf-16be')
+
+
+def decode(input, fallback_encoding, errors='replace'):
+    """
+    Decode a single string.
+
+    :param input: A byte string
+    :param fallback_encoding:
+        An :class:`Encoding` object or a label string.
+        The encoding to use if :obj:`input` does note have a BOM.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :return:
+        A ``(output, encoding)`` tuple of an Unicode string
+        and an :obj:`Encoding`.
+
+    """
+    # Fail early if `encoding` is an invalid label.
+    fallback_encoding = _get_encoding(fallback_encoding)
+    bom_encoding, input = _detect_bom(input)
+    encoding = bom_encoding or fallback_encoding
+    return encoding.codec_info.decode(input, errors)[0], encoding
+
+
+def _detect_bom(input):
+    """Return (bom_encoding, input), with any BOM removed from the input."""
+    if input.startswith(b'\xFF\xFE'):
+        return _UTF16LE, input[2:]
+    if input.startswith(b'\xFE\xFF'):
+        return _UTF16BE, input[2:]
+    if input.startswith(b'\xEF\xBB\xBF'):
+        return UTF8, input[3:]
+    return None, input
+
+
+def encode(input, encoding=UTF8, errors='strict'):
+    """
+    Encode a single string.
+
+    :param input: An Unicode string.
+    :param encoding: An :class:`Encoding` object or a label string.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :return: A byte string.
+
+    """
+    return _get_encoding(encoding).codec_info.encode(input, errors)[0]
+
+
+def iter_decode(input, fallback_encoding, errors='replace'):
+    """
+    "Pull"-based decoder.
+
+    :param input:
+        An iterable of byte strings.
+
+        The input is first consumed just enough to determine the encoding
+        based on the precense of a BOM,
+        then consumed on demand when the return value is.
+    :param fallback_encoding:
+        An :class:`Encoding` object or a label string.
+        The encoding to use if :obj:`input` does note have a BOM.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :returns:
+        An ``(output, encoding)`` tuple.
+        :obj:`output` is an iterable of Unicode strings,
+        :obj:`encoding` is the :obj:`Encoding` that is being used.
+
+    """
+
+    decoder = IncrementalDecoder(fallback_encoding, errors)
+    generator = _iter_decode_generator(input, decoder)
+    encoding = next(generator)
+    return generator, encoding
+
+
+def _iter_decode_generator(input, decoder):
+    """Return a generator that first yields the :obj:`Encoding`,
+    then yields output chukns as Unicode strings.
+
+    """
+    decode = decoder.decode
+    input = iter(input)
+    for chunck in input:
+        output = decode(chunck)
+        if output:
+            assert decoder.encoding is not None
+            yield decoder.encoding
+            yield output
+            break
+    else:
+        # Input exhausted without determining the encoding
+        output = decode(b'', final=True)
+        assert decoder.encoding is not None
+        yield decoder.encoding
+        if output:
+            yield output
+        return
+
+    for chunck in input:
+        output = decode(chunck)
+        if output:
+            yield output
+    output = decode(b'', final=True)
+    if output:
+        yield output
+
+
+def iter_encode(input, encoding=UTF8, errors='strict'):
+    """
+    “Pull”-based encoder.
+
+    :param input: An iterable of Unicode strings.
+    :param encoding: An :class:`Encoding` object or a label string.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+    :returns: An iterable of byte strings.
+
+    """
+    # Fail early if `encoding` is an invalid label.
+    encode = IncrementalEncoder(encoding, errors).encode
+    return _iter_encode_generator(input, encode)
+
+
+def _iter_encode_generator(input, encode):
+    for chunck in input:
+        output = encode(chunck)
+        if output:
+            yield output
+    output = encode('', final=True)
+    if output:
+        yield output
+
+
+class IncrementalDecoder(object):
+    """
+    “Push”-based decoder.
+
+    :param fallback_encoding:
+        An :class:`Encoding` object or a label string.
+        The encoding to use if :obj:`input` does note have a BOM.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+
+    """
+    def __init__(self, fallback_encoding, errors='replace'):
+        # Fail early if `encoding` is an invalid label.
+        self._fallback_encoding = _get_encoding(fallback_encoding)
+        self._errors = errors
+        self._buffer = b''
+        self._decoder = None
+        #: The actual :class:`Encoding` that is being used,
+        #: or :obj:`None` if that is not determined yet.
+        #: (Ie. if there is not enough input yet to determine
+        #: if there is a BOM.)
+        self.encoding = None  # Not known yet.
+
+    def decode(self, input, final=False):
+        """Decode one chunk of the input.
+
+        :param input: A byte string.
+        :param final:
+            Indicate that no more input is available.
+            Must be :obj:`True` if this is the last call.
+        :returns: An Unicode string.
+
+        """
+        decoder = self._decoder
+        if decoder is not None:
+            return decoder(input, final)
+
+        input = self._buffer + input
+        encoding, input = _detect_bom(input)
+        if encoding is None:
+            if len(input) < 3 and not final:  # Not enough data yet.
+                self._buffer = input
+                return ''
+            else:  # No BOM
+                encoding = self._fallback_encoding
+        decoder = encoding.codec_info.incrementaldecoder(self._errors).decode
+        self._decoder = decoder
+        self.encoding = encoding
+        return decoder(input, final)
+
+
+class IncrementalEncoder(object):
+    """
+    “Push”-based encoder.
+
+    :param encoding: An :class:`Encoding` object or a label string.
+    :param errors: Type of error handling. See :func:`codecs.register`.
+    :raises: :exc:`~exceptions.LookupError` for an unknown encoding label.
+
+    .. method:: encode(input, final=False)
+
+        :param input: An Unicode string.
+        :param final:
+            Indicate that no more input is available.
+            Must be :obj:`True` if this is the last call.
+        :returns: A byte string.
+
+    """
+    def __init__(self, encoding=UTF8, errors='strict'):
+        encoding = _get_encoding(encoding)
+        self.encode = encoding.codec_info.incrementalencoder(errors).encode
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/labels.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/labels.py
new file mode 100644
index 00000000..29cbf91e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/labels.py
@@ -0,0 +1,231 @@
+"""
+
+    webencodings.labels
+    ~~~~~~~~~~~~~~~~~~~
+
+    Map encoding labels to their name.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+# XXX Do not edit!
+# This file is automatically generated by mklabels.py
+
+LABELS = {
+    'unicode-1-1-utf-8':   'utf-8',
+    'utf-8':               'utf-8',
+    'utf8':                'utf-8',
+    '866':                 'ibm866',
+    'cp866':               'ibm866',
+    'csibm866':            'ibm866',
+    'ibm866':              'ibm866',
+    'csisolatin2':         'iso-8859-2',
+    'iso-8859-2':          'iso-8859-2',
+    'iso-ir-101':          'iso-8859-2',
+    'iso8859-2':           'iso-8859-2',
+    'iso88592':            'iso-8859-2',
+    'iso_8859-2':          'iso-8859-2',
+    'iso_8859-2:1987':     'iso-8859-2',
+    'l2':                  'iso-8859-2',
+    'latin2':              'iso-8859-2',
+    'csisolatin3':         'iso-8859-3',
+    'iso-8859-3':          'iso-8859-3',
+    'iso-ir-109':          'iso-8859-3',
+    'iso8859-3':           'iso-8859-3',
+    'iso88593':            'iso-8859-3',
+    'iso_8859-3':          'iso-8859-3',
+    'iso_8859-3:1988':     'iso-8859-3',
+    'l3':                  'iso-8859-3',
+    'latin3':              'iso-8859-3',
+    'csisolatin4':         'iso-8859-4',
+    'iso-8859-4':          'iso-8859-4',
+    'iso-ir-110':          'iso-8859-4',
+    'iso8859-4':           'iso-8859-4',
+    'iso88594':            'iso-8859-4',
+    'iso_8859-4':          'iso-8859-4',
+    'iso_8859-4:1988':     'iso-8859-4',
+    'l4':                  'iso-8859-4',
+    'latin4':              'iso-8859-4',
+    'csisolatincyrillic':  'iso-8859-5',
+    'cyrillic':            'iso-8859-5',
+    'iso-8859-5':          'iso-8859-5',
+    'iso-ir-144':          'iso-8859-5',
+    'iso8859-5':           'iso-8859-5',
+    'iso88595':            'iso-8859-5',
+    'iso_8859-5':          'iso-8859-5',
+    'iso_8859-5:1988':     'iso-8859-5',
+    'arabic':              'iso-8859-6',
+    'asmo-708':            'iso-8859-6',
+    'csiso88596e':         'iso-8859-6',
+    'csiso88596i':         'iso-8859-6',
+    'csisolatinarabic':    'iso-8859-6',
+    'ecma-114':            'iso-8859-6',
+    'iso-8859-6':          'iso-8859-6',
+    'iso-8859-6-e':        'iso-8859-6',
+    'iso-8859-6-i':        'iso-8859-6',
+    'iso-ir-127':          'iso-8859-6',
+    'iso8859-6':           'iso-8859-6',
+    'iso88596':            'iso-8859-6',
+    'iso_8859-6':          'iso-8859-6',
+    'iso_8859-6:1987':     'iso-8859-6',
+    'csisolatingreek':     'iso-8859-7',
+    'ecma-118':            'iso-8859-7',
+    'elot_928':            'iso-8859-7',
+    'greek':               'iso-8859-7',
+    'greek8':              'iso-8859-7',
+    'iso-8859-7':          'iso-8859-7',
+    'iso-ir-126':          'iso-8859-7',
+    'iso8859-7':           'iso-8859-7',
+    'iso88597':            'iso-8859-7',
+    'iso_8859-7':          'iso-8859-7',
+    'iso_8859-7:1987':     'iso-8859-7',
+    'sun_eu_greek':        'iso-8859-7',
+    'csiso88598e':         'iso-8859-8',
+    'csisolatinhebrew':    'iso-8859-8',
+    'hebrew':              'iso-8859-8',
+    'iso-8859-8':          'iso-8859-8',
+    'iso-8859-8-e':        'iso-8859-8',
+    'iso-ir-138':          'iso-8859-8',
+    'iso8859-8':           'iso-8859-8',
+    'iso88598':            'iso-8859-8',
+    'iso_8859-8':          'iso-8859-8',
+    'iso_8859-8:1988':     'iso-8859-8',
+    'visual':              'iso-8859-8',
+    'csiso88598i':         'iso-8859-8-i',
+    'iso-8859-8-i':        'iso-8859-8-i',
+    'logical':             'iso-8859-8-i',
+    'csisolatin6':         'iso-8859-10',
+    'iso-8859-10':         'iso-8859-10',
+    'iso-ir-157':          'iso-8859-10',
+    'iso8859-10':          'iso-8859-10',
+    'iso885910':           'iso-8859-10',
+    'l6':                  'iso-8859-10',
+    'latin6':              'iso-8859-10',
+    'iso-8859-13':         'iso-8859-13',
+    'iso8859-13':          'iso-8859-13',
+    'iso885913':           'iso-8859-13',
+    'iso-8859-14':         'iso-8859-14',
+    'iso8859-14':          'iso-8859-14',
+    'iso885914':           'iso-8859-14',
+    'csisolatin9':         'iso-8859-15',
+    'iso-8859-15':         'iso-8859-15',
+    'iso8859-15':          'iso-8859-15',
+    'iso885915':           'iso-8859-15',
+    'iso_8859-15':         'iso-8859-15',
+    'l9':                  'iso-8859-15',
+    'iso-8859-16':         'iso-8859-16',
+    'cskoi8r':             'koi8-r',
+    'koi':                 'koi8-r',
+    'koi8':                'koi8-r',
+    'koi8-r':              'koi8-r',
+    'koi8_r':              'koi8-r',
+    'koi8-u':              'koi8-u',
+    'csmacintosh':         'macintosh',
+    'mac':                 'macintosh',
+    'macintosh':           'macintosh',
+    'x-mac-roman':         'macintosh',
+    'dos-874':             'windows-874',
+    'iso-8859-11':         'windows-874',
+    'iso8859-11':          'windows-874',
+    'iso885911':           'windows-874',
+    'tis-620':             'windows-874',
+    'windows-874':         'windows-874',
+    'cp1250':              'windows-1250',
+    'windows-1250':        'windows-1250',
+    'x-cp1250':            'windows-1250',
+    'cp1251':              'windows-1251',
+    'windows-1251':        'windows-1251',
+    'x-cp1251':            'windows-1251',
+    'ansi_x3.4-1968':      'windows-1252',
+    'ascii':               'windows-1252',
+    'cp1252':              'windows-1252',
+    'cp819':               'windows-1252',
+    'csisolatin1':         'windows-1252',
+    'ibm819':              'windows-1252',
+    'iso-8859-1':          'windows-1252',
+    'iso-ir-100':          'windows-1252',
+    'iso8859-1':           'windows-1252',
+    'iso88591':            'windows-1252',
+    'iso_8859-1':          'windows-1252',
+    'iso_8859-1:1987':     'windows-1252',
+    'l1':                  'windows-1252',
+    'latin1':              'windows-1252',
+    'us-ascii':            'windows-1252',
+    'windows-1252':        'windows-1252',
+    'x-cp1252':            'windows-1252',
+    'cp1253':              'windows-1253',
+    'windows-1253':        'windows-1253',
+    'x-cp1253':            'windows-1253',
+    'cp1254':              'windows-1254',
+    'csisolatin5':         'windows-1254',
+    'iso-8859-9':          'windows-1254',
+    'iso-ir-148':          'windows-1254',
+    'iso8859-9':           'windows-1254',
+    'iso88599':            'windows-1254',
+    'iso_8859-9':          'windows-1254',
+    'iso_8859-9:1989':     'windows-1254',
+    'l5':                  'windows-1254',
+    'latin5':              'windows-1254',
+    'windows-1254':        'windows-1254',
+    'x-cp1254':            'windows-1254',
+    'cp1255':              'windows-1255',
+    'windows-1255':        'windows-1255',
+    'x-cp1255':            'windows-1255',
+    'cp1256':              'windows-1256',
+    'windows-1256':        'windows-1256',
+    'x-cp1256':            'windows-1256',
+    'cp1257':              'windows-1257',
+    'windows-1257':        'windows-1257',
+    'x-cp1257':            'windows-1257',
+    'cp1258':              'windows-1258',
+    'windows-1258':        'windows-1258',
+    'x-cp1258':            'windows-1258',
+    'x-mac-cyrillic':      'x-mac-cyrillic',
+    'x-mac-ukrainian':     'x-mac-cyrillic',
+    'chinese':             'gbk',
+    'csgb2312':            'gbk',
+    'csiso58gb231280':     'gbk',
+    'gb2312':              'gbk',
+    'gb_2312':             'gbk',
+    'gb_2312-80':          'gbk',
+    'gbk':                 'gbk',
+    'iso-ir-58':           'gbk',
+    'x-gbk':               'gbk',
+    'gb18030':             'gb18030',
+    'hz-gb-2312':          'hz-gb-2312',
+    'big5':                'big5',
+    'big5-hkscs':          'big5',
+    'cn-big5':             'big5',
+    'csbig5':              'big5',
+    'x-x-big5':            'big5',
+    'cseucpkdfmtjapanese': 'euc-jp',
+    'euc-jp':              'euc-jp',
+    'x-euc-jp':            'euc-jp',
+    'csiso2022jp':         'iso-2022-jp',
+    'iso-2022-jp':         'iso-2022-jp',
+    'csshiftjis':          'shift_jis',
+    'ms_kanji':            'shift_jis',
+    'shift-jis':           'shift_jis',
+    'shift_jis':           'shift_jis',
+    'sjis':                'shift_jis',
+    'windows-31j':         'shift_jis',
+    'x-sjis':              'shift_jis',
+    'cseuckr':             'euc-kr',
+    'csksc56011987':       'euc-kr',
+    'euc-kr':              'euc-kr',
+    'iso-ir-149':          'euc-kr',
+    'korean':              'euc-kr',
+    'ks_c_5601-1987':      'euc-kr',
+    'ks_c_5601-1989':      'euc-kr',
+    'ksc5601':             'euc-kr',
+    'ksc_5601':            'euc-kr',
+    'windows-949':         'euc-kr',
+    'csiso2022kr':         'iso-2022-kr',
+    'iso-2022-kr':         'iso-2022-kr',
+    'utf-16be':            'utf-16be',
+    'utf-16':              'utf-16le',
+    'utf-16le':            'utf-16le',
+    'x-user-defined':      'x-user-defined',
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/mklabels.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/mklabels.py
new file mode 100644
index 00000000..295dc928
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/mklabels.py
@@ -0,0 +1,59 @@
+"""
+
+    webencodings.mklabels
+    ~~~~~~~~~~~~~~~~~~~~~
+
+    Regenarate the webencodings.labels module.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+import json
+try:
+    from urllib import urlopen
+except ImportError:
+    from urllib.request import urlopen
+
+
+def assert_lower(string):
+    assert string == string.lower()
+    return string
+
+
+def generate(url):
+    parts = ['''\
+"""
+
+    webencodings.labels
+    ~~~~~~~~~~~~~~~~~~~
+
+    Map encoding labels to their name.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+# XXX Do not edit!
+# This file is automatically generated by mklabels.py
+
+LABELS = {
+''']
+    labels = [
+        (repr(assert_lower(label)).lstrip('u'),
+         repr(encoding['name']).lstrip('u'))
+        for category in json.loads(urlopen(url).read().decode('ascii'))
+        for encoding in category['encodings']
+        for label in encoding['labels']]
+    max_len = max(len(label) for label, name in labels)
+    parts.extend(
+        '    %s:%s %s,\n' % (label, ' ' * (max_len - len(label)), name)
+        for label, name in labels)
+    parts.append('}')
+    return ''.join(parts)
+
+
+if __name__ == '__main__':
+    print(generate('http://encoding.spec.whatwg.org/encodings.json'))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/tests.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/tests.py
new file mode 100644
index 00000000..e12c10d0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/tests.py
@@ -0,0 +1,153 @@
+# coding: utf-8
+"""
+
+    webencodings.tests
+    ~~~~~~~~~~~~~~~~~~
+
+    A basic test suite for Encoding.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+from __future__ import unicode_literals
+
+from . import (lookup, LABELS, decode, encode, iter_decode, iter_encode,
+               IncrementalDecoder, IncrementalEncoder, UTF8)
+
+
+def assert_raises(exception, function, *args, **kwargs):
+    try:
+        function(*args, **kwargs)
+    except exception:
+        return
+    else:  # pragma: no cover
+        raise AssertionError('Did not raise %s.' % exception)
+
+
+def test_labels():
+    assert lookup('utf-8').name == 'utf-8'
+    assert lookup('Utf-8').name == 'utf-8'
+    assert lookup('UTF-8').name == 'utf-8'
+    assert lookup('utf8').name == 'utf-8'
+    assert lookup('utf8').name == 'utf-8'
+    assert lookup('utf8 ').name == 'utf-8'
+    assert lookup(' \r\nutf8\t').name == 'utf-8'
+    assert lookup('u8') is None  # Python label.
+    assert lookup('utf-8 ') is None  # Non-ASCII white space.
+
+    assert lookup('US-ASCII').name == 'windows-1252'
+    assert lookup('iso-8859-1').name == 'windows-1252'
+    assert lookup('latin1').name == 'windows-1252'
+    assert lookup('LATIN1').name == 'windows-1252'
+    assert lookup('latin-1') is None
+    assert lookup('LATİN1') is None  # ASCII-only case insensitivity.
+
+
+def test_all_labels():
+    for label in LABELS:
+        assert decode(b'', label) == ('', lookup(label))
+        assert encode('', label) == b''
+        for repeat in [0, 1, 12]:
+            output, _ = iter_decode([b''] * repeat, label)
+            assert list(output) == []
+            assert list(iter_encode([''] * repeat, label)) == []
+        decoder = IncrementalDecoder(label)
+        assert decoder.decode(b'') == ''
+        assert decoder.decode(b'', final=True) == ''
+        encoder = IncrementalEncoder(label)
+        assert encoder.encode('') == b''
+        assert encoder.encode('', final=True) == b''
+    # All encoding names are valid labels too:
+    for name in set(LABELS.values()):
+        assert lookup(name).name == name
+
+
+def test_invalid_label():
+    assert_raises(LookupError, decode, b'\xEF\xBB\xBF\xc3\xa9', 'invalid')
+    assert_raises(LookupError, encode, 'é', 'invalid')
+    assert_raises(LookupError, iter_decode, [], 'invalid')
+    assert_raises(LookupError, iter_encode, [], 'invalid')
+    assert_raises(LookupError, IncrementalDecoder, 'invalid')
+    assert_raises(LookupError, IncrementalEncoder, 'invalid')
+
+
+def test_decode():
+    assert decode(b'\x80', 'latin1') == ('€', lookup('latin1'))
+    assert decode(b'\x80', lookup('latin1')) == ('€', lookup('latin1'))
+    assert decode(b'\xc3\xa9', 'utf8') == ('é', lookup('utf8'))
+    assert decode(b'\xc3\xa9', UTF8) == ('é', lookup('utf8'))
+    assert decode(b'\xc3\xa9', 'ascii') == ('é', lookup('ascii'))
+    assert decode(b'\xEF\xBB\xBF\xc3\xa9', 'ascii') == ('é', lookup('utf8'))  # UTF-8 with BOM
+
+    assert decode(b'\xFE\xFF\x00\xe9', 'ascii') == ('é', lookup('utf-16be'))  # UTF-16-BE with BOM
+    assert decode(b'\xFF\xFE\xe9\x00', 'ascii') == ('é', lookup('utf-16le'))  # UTF-16-LE with BOM
+    assert decode(b'\xFE\xFF\xe9\x00', 'ascii') == ('\ue900', lookup('utf-16be'))
+    assert decode(b'\xFF\xFE\x00\xe9', 'ascii') == ('\ue900', lookup('utf-16le'))
+
+    assert decode(b'\x00\xe9', 'UTF-16BE') == ('é', lookup('utf-16be'))
+    assert decode(b'\xe9\x00', 'UTF-16LE') == ('é', lookup('utf-16le'))
+    assert decode(b'\xe9\x00', 'UTF-16') == ('é', lookup('utf-16le'))
+
+    assert decode(b'\xe9\x00', 'UTF-16BE') == ('\ue900', lookup('utf-16be'))
+    assert decode(b'\x00\xe9', 'UTF-16LE') == ('\ue900', lookup('utf-16le'))
+    assert decode(b'\x00\xe9', 'UTF-16') == ('\ue900', lookup('utf-16le'))
+
+
+def test_encode():
+    assert encode('é', 'latin1') == b'\xe9'
+    assert encode('é', 'utf8') == b'\xc3\xa9'
+    assert encode('é', 'utf8') == b'\xc3\xa9'
+    assert encode('é', 'utf-16') == b'\xe9\x00'
+    assert encode('é', 'utf-16le') == b'\xe9\x00'
+    assert encode('é', 'utf-16be') == b'\x00\xe9'
+
+
+def test_iter_decode():
+    def iter_decode_to_string(input, fallback_encoding):
+        output, _encoding = iter_decode(input, fallback_encoding)
+        return ''.join(output)
+    assert iter_decode_to_string([], 'latin1') == ''
+    assert iter_decode_to_string([b''], 'latin1') == ''
+    assert iter_decode_to_string([b'\xe9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'hello'], 'latin1') == 'hello'
+    assert iter_decode_to_string([b'he', b'llo'], 'latin1') == 'hello'
+    assert iter_decode_to_string([b'hell', b'o'], 'latin1') == 'hello'
+    assert iter_decode_to_string([b'\xc3\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'\xEF\xBB\xBF\xc3\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'\xEF\xBB\xBF', b'\xc3', b'\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'\xEF\xBB\xBF', b'a', b'\xc3'], 'latin1') == 'a\uFFFD'
+    assert iter_decode_to_string([
+        b'', b'\xEF', b'', b'', b'\xBB\xBF\xc3', b'\xa9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'\xEF\xBB\xBF'], 'latin1') == ''
+    assert iter_decode_to_string([b'\xEF\xBB'], 'latin1') == 'ï»'
+    assert iter_decode_to_string([b'\xFE\xFF\x00\xe9'], 'latin1') == 'é'
+    assert iter_decode_to_string([b'\xFF\xFE\xe9\x00'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'', b'\xFF', b'', b'', b'\xFE\xe9', b'\x00'], 'latin1') == 'é'
+    assert iter_decode_to_string([
+        b'', b'h\xe9', b'llo'], 'x-user-defined') == 'h\uF7E9llo'
+
+
+def test_iter_encode():
+    assert b''.join(iter_encode([], 'latin1')) == b''
+    assert b''.join(iter_encode([''], 'latin1')) == b''
+    assert b''.join(iter_encode(['é'], 'latin1')) == b'\xe9'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'latin1')) == b'\xe9'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16')) == b'\xe9\x00'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16le')) == b'\xe9\x00'
+    assert b''.join(iter_encode(['', 'é', '', ''], 'utf-16be')) == b'\x00\xe9'
+    assert b''.join(iter_encode([
+        '', 'h\uF7E9', '', 'llo'], 'x-user-defined')) == b'h\xe9llo'
+
+
+def test_x_user_defined():
+    encoded = b'2,\x0c\x0b\x1aO\xd9#\xcb\x0f\xc9\xbbt\xcf\xa8\xca'
+    decoded = '2,\x0c\x0b\x1aO\uf7d9#\uf7cb\x0f\uf7c9\uf7bbt\uf7cf\uf7a8\uf7ca'
+    encoded = b'aa'
+    decoded = 'aa'
+    assert decode(encoded, 'x-user-defined') == (decoded, lookup('x-user-defined'))
+    assert encode(decoded, 'x-user-defined') == encoded
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/x_user_defined.py b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/x_user_defined.py
new file mode 100644
index 00000000..d16e3260
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/_vendor/webencodings/x_user_defined.py
@@ -0,0 +1,325 @@
+# coding: utf-8
+"""
+
+    webencodings.x_user_defined
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    An implementation of the x-user-defined encoding.
+
+    :copyright: Copyright 2012 by Simon Sapin
+    :license: BSD, see LICENSE for details.
+
+"""
+
+from __future__ import unicode_literals
+
+import codecs
+
+
+### Codec APIs
+
+class Codec(codecs.Codec):
+
+    def encode(self, input, errors='strict'):
+        return codecs.charmap_encode(input, errors, encoding_table)
+
+    def decode(self, input, errors='strict'):
+        return codecs.charmap_decode(input, errors, decoding_table)
+
+
+class IncrementalEncoder(codecs.IncrementalEncoder):
+    def encode(self, input, final=False):
+        return codecs.charmap_encode(input, self.errors, encoding_table)[0]
+
+
+class IncrementalDecoder(codecs.IncrementalDecoder):
+    def decode(self, input, final=False):
+        return codecs.charmap_decode(input, self.errors, decoding_table)[0]
+
+
+class StreamWriter(Codec, codecs.StreamWriter):
+    pass
+
+
+class StreamReader(Codec, codecs.StreamReader):
+    pass
+
+
+### encodings module API
+
+codec_info = codecs.CodecInfo(
+    name='x-user-defined',
+    encode=Codec().encode,
+    decode=Codec().decode,
+    incrementalencoder=IncrementalEncoder,
+    incrementaldecoder=IncrementalDecoder,
+    streamreader=StreamReader,
+    streamwriter=StreamWriter,
+)
+
+
+### Decoding Table
+
+# Python 3:
+# for c in range(256): print('    %r' % chr(c if c < 128 else c + 0xF700))
+decoding_table = (
+    '\x00'
+    '\x01'
+    '\x02'
+    '\x03'
+    '\x04'
+    '\x05'
+    '\x06'
+    '\x07'
+    '\x08'
+    '\t'
+    '\n'
+    '\x0b'
+    '\x0c'
+    '\r'
+    '\x0e'
+    '\x0f'
+    '\x10'
+    '\x11'
+    '\x12'
+    '\x13'
+    '\x14'
+    '\x15'
+    '\x16'
+    '\x17'
+    '\x18'
+    '\x19'
+    '\x1a'
+    '\x1b'
+    '\x1c'
+    '\x1d'
+    '\x1e'
+    '\x1f'
+    ' '
+    '!'
+    '"'
+    '#'
+    '$'
+    '%'
+    '&'
+    "'"
+    '('
+    ')'
+    '*'
+    '+'
+    ','
+    '-'
+    '.'
+    '/'
+    '0'
+    '1'
+    '2'
+    '3'
+    '4'
+    '5'
+    '6'
+    '7'
+    '8'
+    '9'
+    ':'
+    ';'
+    '<'
+    '='
+    '>'
+    '?'
+    '@'
+    'A'
+    'B'
+    'C'
+    'D'
+    'E'
+    'F'
+    'G'
+    'H'
+    'I'
+    'J'
+    'K'
+    'L'
+    'M'
+    'N'
+    'O'
+    'P'
+    'Q'
+    'R'
+    'S'
+    'T'
+    'U'
+    'V'
+    'W'
+    'X'
+    'Y'
+    'Z'
+    '['
+    '\\'
+    ']'
+    '^'
+    '_'
+    '`'
+    'a'
+    'b'
+    'c'
+    'd'
+    'e'
+    'f'
+    'g'
+    'h'
+    'i'
+    'j'
+    'k'
+    'l'
+    'm'
+    'n'
+    'o'
+    'p'
+    'q'
+    'r'
+    's'
+    't'
+    'u'
+    'v'
+    'w'
+    'x'
+    'y'
+    'z'
+    '{'
+    '|'
+    '}'
+    '~'
+    '\x7f'
+    '\uf780'
+    '\uf781'
+    '\uf782'
+    '\uf783'
+    '\uf784'
+    '\uf785'
+    '\uf786'
+    '\uf787'
+    '\uf788'
+    '\uf789'
+    '\uf78a'
+    '\uf78b'
+    '\uf78c'
+    '\uf78d'
+    '\uf78e'
+    '\uf78f'
+    '\uf790'
+    '\uf791'
+    '\uf792'
+    '\uf793'
+    '\uf794'
+    '\uf795'
+    '\uf796'
+    '\uf797'
+    '\uf798'
+    '\uf799'
+    '\uf79a'
+    '\uf79b'
+    '\uf79c'
+    '\uf79d'
+    '\uf79e'
+    '\uf79f'
+    '\uf7a0'
+    '\uf7a1'
+    '\uf7a2'
+    '\uf7a3'
+    '\uf7a4'
+    '\uf7a5'
+    '\uf7a6'
+    '\uf7a7'
+    '\uf7a8'
+    '\uf7a9'
+    '\uf7aa'
+    '\uf7ab'
+    '\uf7ac'
+    '\uf7ad'
+    '\uf7ae'
+    '\uf7af'
+    '\uf7b0'
+    '\uf7b1'
+    '\uf7b2'
+    '\uf7b3'
+    '\uf7b4'
+    '\uf7b5'
+    '\uf7b6'
+    '\uf7b7'
+    '\uf7b8'
+    '\uf7b9'
+    '\uf7ba'
+    '\uf7bb'
+    '\uf7bc'
+    '\uf7bd'
+    '\uf7be'
+    '\uf7bf'
+    '\uf7c0'
+    '\uf7c1'
+    '\uf7c2'
+    '\uf7c3'
+    '\uf7c4'
+    '\uf7c5'
+    '\uf7c6'
+    '\uf7c7'
+    '\uf7c8'
+    '\uf7c9'
+    '\uf7ca'
+    '\uf7cb'
+    '\uf7cc'
+    '\uf7cd'
+    '\uf7ce'
+    '\uf7cf'
+    '\uf7d0'
+    '\uf7d1'
+    '\uf7d2'
+    '\uf7d3'
+    '\uf7d4'
+    '\uf7d5'
+    '\uf7d6'
+    '\uf7d7'
+    '\uf7d8'
+    '\uf7d9'
+    '\uf7da'
+    '\uf7db'
+    '\uf7dc'
+    '\uf7dd'
+    '\uf7de'
+    '\uf7df'
+    '\uf7e0'
+    '\uf7e1'
+    '\uf7e2'
+    '\uf7e3'
+    '\uf7e4'
+    '\uf7e5'
+    '\uf7e6'
+    '\uf7e7'
+    '\uf7e8'
+    '\uf7e9'
+    '\uf7ea'
+    '\uf7eb'
+    '\uf7ec'
+    '\uf7ed'
+    '\uf7ee'
+    '\uf7ef'
+    '\uf7f0'
+    '\uf7f1'
+    '\uf7f2'
+    '\uf7f3'
+    '\uf7f4'
+    '\uf7f5'
+    '\uf7f6'
+    '\uf7f7'
+    '\uf7f8'
+    '\uf7f9'
+    '\uf7fa'
+    '\uf7fb'
+    '\uf7fc'
+    '\uf7fd'
+    '\uf7fe'
+    '\uf7ff'
+)
+
+### Encoding table
+encoding_table = codecs.charmap_build(decoding_table)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pip/py.typed b/src/Mini-12306后端开发/env/Lib/site-packages/pip/py.typed
new file mode 100644
index 00000000..493b53e4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pip/py.typed
@@ -0,0 +1,4 @@
+pip is a command line program. While it is implemented in Python, and so is
+available for import, you must not use pip's internal APIs in this way. Typing
+information is provided as a convenience only and is not a guarantee. Expect
+unannounced changes to the API and types in releases.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/__init__.py
new file mode 100644
index 00000000..d59226af
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/__init__.py
@@ -0,0 +1,3296 @@
+"""
+Package resource API
+--------------------
+
+A resource is a logical file contained within a package, or a logical
+subdirectory thereof.  The package resource API expects resource names
+to have their path parts separated with ``/``, *not* whatever the local
+path separator is.  Do not use os.path operations to manipulate resource
+names being passed into the API.
+
+The package resource API is designed to work with normal filesystem packages,
+.egg files, and unpacked .egg files.  It can also work in a limited way with
+.zip files and with custom PEP 302 loaders that support the ``get_data()``
+method.
+"""
+
+import sys
+import os
+import io
+import time
+import re
+import types
+import zipfile
+import zipimport
+import warnings
+import stat
+import functools
+import pkgutil
+import operator
+import platform
+import collections
+import plistlib
+import email.parser
+import errno
+import tempfile
+import textwrap
+import itertools
+import inspect
+import ntpath
+import posixpath
+import importlib
+from pkgutil import get_importer
+
+try:
+    import _imp
+except ImportError:
+    # Python 3.2 compatibility
+    import imp as _imp
+
+try:
+    FileExistsError
+except NameError:
+    FileExistsError = OSError
+
+# capture these to bypass sandboxing
+from os import utime
+try:
+    from os import mkdir, rename, unlink
+    WRITE_SUPPORT = True
+except ImportError:
+    # no write support, probably under GAE
+    WRITE_SUPPORT = False
+
+from os import open as os_open
+from os.path import isdir, split
+
+try:
+    import importlib.machinery as importlib_machinery
+    # access attribute to force import under delayed import mechanisms.
+    importlib_machinery.__name__
+except ImportError:
+    importlib_machinery = None
+
+from pkg_resources.extern.jaraco.text import (
+    yield_lines,
+    drop_comment,
+    join_continuation,
+)
+
+from pkg_resources.extern import appdirs
+from pkg_resources.extern import packaging
+__import__('pkg_resources.extern.packaging.version')
+__import__('pkg_resources.extern.packaging.specifiers')
+__import__('pkg_resources.extern.packaging.requirements')
+__import__('pkg_resources.extern.packaging.markers')
+__import__('pkg_resources.extern.packaging.utils')
+
+if sys.version_info < (3, 5):
+    raise RuntimeError("Python 3.5 or later is required")
+
+# declare some globals that will be defined later to
+# satisfy the linters.
+require = None
+working_set = None
+add_activation_listener = None
+resources_stream = None
+cleanup_resources = None
+resource_dir = None
+resource_stream = None
+set_extraction_path = None
+resource_isdir = None
+resource_string = None
+iter_entry_points = None
+resource_listdir = None
+resource_filename = None
+resource_exists = None
+_distribution_finders = None
+_namespace_handlers = None
+_namespace_packages = None
+
+
+class PEP440Warning(RuntimeWarning):
+    """
+    Used when there is an issue with a version or specifier not complying with
+    PEP 440.
+    """
+
+
+def parse_version(v):
+    try:
+        return packaging.version.Version(v)
+    except packaging.version.InvalidVersion:
+        warnings.warn(
+            f"{v} is an invalid version and will not be supported in "
+            "a future release",
+            PkgResourcesDeprecationWarning,
+        )
+        return packaging.version.LegacyVersion(v)
+
+
+_state_vars = {}
+
+
+def _declare_state(vartype, **kw):
+    globals().update(kw)
+    _state_vars.update(dict.fromkeys(kw, vartype))
+
+
+def __getstate__():
+    state = {}
+    g = globals()
+    for k, v in _state_vars.items():
+        state[k] = g['_sget_' + v](g[k])
+    return state
+
+
+def __setstate__(state):
+    g = globals()
+    for k, v in state.items():
+        g['_sset_' + _state_vars[k]](k, g[k], v)
+    return state
+
+
+def _sget_dict(val):
+    return val.copy()
+
+
+def _sset_dict(key, ob, state):
+    ob.clear()
+    ob.update(state)
+
+
+def _sget_object(val):
+    return val.__getstate__()
+
+
+def _sset_object(key, ob, state):
+    ob.__setstate__(state)
+
+
+_sget_none = _sset_none = lambda *args: None
+
+
+def get_supported_platform():
+    """Return this platform's maximum compatible version.
+
+    distutils.util.get_platform() normally reports the minimum version
+    of macOS that would be required to *use* extensions produced by
+    distutils.  But what we want when checking compatibility is to know the
+    version of macOS that we are *running*.  To allow usage of packages that
+    explicitly require a newer version of macOS, we must also know the
+    current version of the OS.
+
+    If this condition occurs for any other platform with a version in its
+    platform strings, this function should be extended accordingly.
+    """
+    plat = get_build_platform()
+    m = macosVersionString.match(plat)
+    if m is not None and sys.platform == "darwin":
+        try:
+            plat = 'macosx-%s-%s' % ('.'.join(_macos_vers()[:2]), m.group(3))
+        except ValueError:
+            # not macOS
+            pass
+    return plat
+
+
+__all__ = [
+    # Basic resource access and distribution/entry point discovery
+    'require', 'run_script', 'get_provider', 'get_distribution',
+    'load_entry_point', 'get_entry_map', 'get_entry_info',
+    'iter_entry_points',
+    'resource_string', 'resource_stream', 'resource_filename',
+    'resource_listdir', 'resource_exists', 'resource_isdir',
+
+    # Environmental control
+    'declare_namespace', 'working_set', 'add_activation_listener',
+    'find_distributions', 'set_extraction_path', 'cleanup_resources',
+    'get_default_cache',
+
+    # Primary implementation classes
+    'Environment', 'WorkingSet', 'ResourceManager',
+    'Distribution', 'Requirement', 'EntryPoint',
+
+    # Exceptions
+    'ResolutionError', 'VersionConflict', 'DistributionNotFound',
+    'UnknownExtra', 'ExtractionError',
+
+    # Warnings
+    'PEP440Warning',
+
+    # Parsing functions and string utilities
+    'parse_requirements', 'parse_version', 'safe_name', 'safe_version',
+    'get_platform', 'compatible_platforms', 'yield_lines', 'split_sections',
+    'safe_extra', 'to_filename', 'invalid_marker', 'evaluate_marker',
+
+    # filesystem utilities
+    'ensure_directory', 'normalize_path',
+
+    # Distribution "precedence" constants
+    'EGG_DIST', 'BINARY_DIST', 'SOURCE_DIST', 'CHECKOUT_DIST', 'DEVELOP_DIST',
+
+    # "Provider" interfaces, implementations, and registration/lookup APIs
+    'IMetadataProvider', 'IResourceProvider', 'FileMetadata',
+    'PathMetadata', 'EggMetadata', 'EmptyProvider', 'empty_provider',
+    'NullProvider', 'EggProvider', 'DefaultProvider', 'ZipProvider',
+    'register_finder', 'register_namespace_handler', 'register_loader_type',
+    'fixup_namespace_packages', 'get_importer',
+
+    # Warnings
+    'PkgResourcesDeprecationWarning',
+
+    # Deprecated/backward compatibility only
+    'run_main', 'AvailableDistributions',
+]
+
+
+class ResolutionError(Exception):
+    """Abstract base for dependency resolution errors"""
+
+    def __repr__(self):
+        return self.__class__.__name__ + repr(self.args)
+
+
+class VersionConflict(ResolutionError):
+    """
+    An already-installed version conflicts with the requested version.
+
+    Should be initialized with the installed Distribution and the requested
+    Requirement.
+    """
+
+    _template = "{self.dist} is installed but {self.req} is required"
+
+    @property
+    def dist(self):
+        return self.args[0]
+
+    @property
+    def req(self):
+        return self.args[1]
+
+    def report(self):
+        return self._template.format(**locals())
+
+    def with_context(self, required_by):
+        """
+        If required_by is non-empty, return a version of self that is a
+        ContextualVersionConflict.
+        """
+        if not required_by:
+            return self
+        args = self.args + (required_by,)
+        return ContextualVersionConflict(*args)
+
+
+class ContextualVersionConflict(VersionConflict):
+    """
+    A VersionConflict that accepts a third parameter, the set of the
+    requirements that required the installed Distribution.
+    """
+
+    _template = VersionConflict._template + ' by {self.required_by}'
+
+    @property
+    def required_by(self):
+        return self.args[2]
+
+
+class DistributionNotFound(ResolutionError):
+    """A requested distribution was not found"""
+
+    _template = ("The '{self.req}' distribution was not found "
+                 "and is required by {self.requirers_str}")
+
+    @property
+    def req(self):
+        return self.args[0]
+
+    @property
+    def requirers(self):
+        return self.args[1]
+
+    @property
+    def requirers_str(self):
+        if not self.requirers:
+            return 'the application'
+        return ', '.join(self.requirers)
+
+    def report(self):
+        return self._template.format(**locals())
+
+    def __str__(self):
+        return self.report()
+
+
+class UnknownExtra(ResolutionError):
+    """Distribution doesn't have an "extra feature" of the given name"""
+
+
+_provider_factories = {}
+
+PY_MAJOR = '{}.{}'.format(*sys.version_info)
+EGG_DIST = 3
+BINARY_DIST = 2
+SOURCE_DIST = 1
+CHECKOUT_DIST = 0
+DEVELOP_DIST = -1
+
+
+def register_loader_type(loader_type, provider_factory):
+    """Register `provider_factory` to make providers for `loader_type`
+
+    `loader_type` is the type or class of a PEP 302 ``module.__loader__``,
+    and `provider_factory` is a function that, passed a *module* object,
+    returns an ``IResourceProvider`` for that module.
+    """
+    _provider_factories[loader_type] = provider_factory
+
+
+def get_provider(moduleOrReq):
+    """Return an IResourceProvider for the named module or requirement"""
+    if isinstance(moduleOrReq, Requirement):
+        return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
+    try:
+        module = sys.modules[moduleOrReq]
+    except KeyError:
+        __import__(moduleOrReq)
+        module = sys.modules[moduleOrReq]
+    loader = getattr(module, '__loader__', None)
+    return _find_adapter(_provider_factories, loader)(module)
+
+
+def _macos_vers(_cache=[]):
+    if not _cache:
+        version = platform.mac_ver()[0]
+        # fallback for MacPorts
+        if version == '':
+            plist = '/System/Library/CoreServices/SystemVersion.plist'
+            if os.path.exists(plist):
+                if hasattr(plistlib, 'readPlist'):
+                    plist_content = plistlib.readPlist(plist)
+                    if 'ProductVersion' in plist_content:
+                        version = plist_content['ProductVersion']
+
+        _cache.append(version.split('.'))
+    return _cache[0]
+
+
+def _macos_arch(machine):
+    return {'PowerPC': 'ppc', 'Power_Macintosh': 'ppc'}.get(machine, machine)
+
+
+def get_build_platform():
+    """Return this platform's string for platform-specific distributions
+
+    XXX Currently this is the same as ``distutils.util.get_platform()``, but it
+    needs some hacks for Linux and macOS.
+    """
+    from sysconfig import get_platform
+
+    plat = get_platform()
+    if sys.platform == "darwin" and not plat.startswith('macosx-'):
+        try:
+            version = _macos_vers()
+            machine = os.uname()[4].replace(" ", "_")
+            return "macosx-%d.%d-%s" % (
+                int(version[0]), int(version[1]),
+                _macos_arch(machine),
+            )
+        except ValueError:
+            # if someone is running a non-Mac darwin system, this will fall
+            # through to the default implementation
+            pass
+    return plat
+
+
+macosVersionString = re.compile(r"macosx-(\d+)\.(\d+)-(.*)")
+darwinVersionString = re.compile(r"darwin-(\d+)\.(\d+)\.(\d+)-(.*)")
+# XXX backward compat
+get_platform = get_build_platform
+
+
+def compatible_platforms(provided, required):
+    """Can code for the `provided` platform run on the `required` platform?
+
+    Returns true if either platform is ``None``, or the platforms are equal.
+
+    XXX Needs compatibility checks for Linux and other unixy OSes.
+    """
+    if provided is None or required is None or provided == required:
+        # easy case
+        return True
+
+    # macOS special cases
+    reqMac = macosVersionString.match(required)
+    if reqMac:
+        provMac = macosVersionString.match(provided)
+
+        # is this a Mac package?
+        if not provMac:
+            # this is backwards compatibility for packages built before
+            # setuptools 0.6. All packages built after this point will
+            # use the new macOS designation.
+            provDarwin = darwinVersionString.match(provided)
+            if provDarwin:
+                dversion = int(provDarwin.group(1))
+                macosversion = "%s.%s" % (reqMac.group(1), reqMac.group(2))
+                if dversion == 7 and macosversion >= "10.3" or \
+                        dversion == 8 and macosversion >= "10.4":
+                    return True
+            # egg isn't macOS or legacy darwin
+            return False
+
+        # are they the same major version and machine type?
+        if provMac.group(1) != reqMac.group(1) or \
+                provMac.group(3) != reqMac.group(3):
+            return False
+
+        # is the required OS major update >= the provided one?
+        if int(provMac.group(2)) > int(reqMac.group(2)):
+            return False
+
+        return True
+
+    # XXX Linux and other platforms' special cases should go here
+    return False
+
+
+def run_script(dist_spec, script_name):
+    """Locate distribution `dist_spec` and run its `script_name` script"""
+    ns = sys._getframe(1).f_globals
+    name = ns['__name__']
+    ns.clear()
+    ns['__name__'] = name
+    require(dist_spec)[0].run_script(script_name, ns)
+
+
+# backward compatibility
+run_main = run_script
+
+
+def get_distribution(dist):
+    """Return a current distribution object for a Requirement or string"""
+    if isinstance(dist, str):
+        dist = Requirement.parse(dist)
+    if isinstance(dist, Requirement):
+        dist = get_provider(dist)
+    if not isinstance(dist, Distribution):
+        raise TypeError("Expected string, Requirement, or Distribution", dist)
+    return dist
+
+
+def load_entry_point(dist, group, name):
+    """Return `name` entry point of `group` for `dist` or raise ImportError"""
+    return get_distribution(dist).load_entry_point(group, name)
+
+
+def get_entry_map(dist, group=None):
+    """Return the entry point map for `group`, or the full entry map"""
+    return get_distribution(dist).get_entry_map(group)
+
+
+def get_entry_info(dist, group, name):
+    """Return the EntryPoint object for `group`+`name`, or ``None``"""
+    return get_distribution(dist).get_entry_info(group, name)
+
+
+class IMetadataProvider:
+    def has_metadata(name):
+        """Does the package's distribution contain the named metadata?"""
+
+    def get_metadata(name):
+        """The named metadata resource as a string"""
+
+    def get_metadata_lines(name):
+        """Yield named metadata resource as list of non-blank non-comment lines
+
+       Leading and trailing whitespace is stripped from each line, and lines
+       with ``#`` as the first non-blank character are omitted."""
+
+    def metadata_isdir(name):
+        """Is the named metadata a directory?  (like ``os.path.isdir()``)"""
+
+    def metadata_listdir(name):
+        """List of metadata names in the directory (like ``os.listdir()``)"""
+
+    def run_script(script_name, namespace):
+        """Execute the named script in the supplied namespace dictionary"""
+
+
+class IResourceProvider(IMetadataProvider):
+    """An object that provides access to package resources"""
+
+    def get_resource_filename(manager, resource_name):
+        """Return a true filesystem path for `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def get_resource_stream(manager, resource_name):
+        """Return a readable file-like object for `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def get_resource_string(manager, resource_name):
+        """Return a string containing the contents of `resource_name`
+
+        `manager` must be an ``IResourceManager``"""
+
+    def has_resource(resource_name):
+        """Does the package contain the named resource?"""
+
+    def resource_isdir(resource_name):
+        """Is the named resource a directory?  (like ``os.path.isdir()``)"""
+
+    def resource_listdir(resource_name):
+        """List of resource names in the directory (like ``os.listdir()``)"""
+
+
+class WorkingSet:
+    """A collection of active distributions on sys.path (or a similar list)"""
+
+    def __init__(self, entries=None):
+        """Create working set from list of path entries (default=sys.path)"""
+        self.entries = []
+        self.entry_keys = {}
+        self.by_key = {}
+        self.normalized_to_canonical_keys = {}
+        self.callbacks = []
+
+        if entries is None:
+            entries = sys.path
+
+        for entry in entries:
+            self.add_entry(entry)
+
+    @classmethod
+    def _build_master(cls):
+        """
+        Prepare the master working set.
+        """
+        ws = cls()
+        try:
+            from __main__ import __requires__
+        except ImportError:
+            # The main program does not list any requirements
+            return ws
+
+        # ensure the requirements are met
+        try:
+            ws.require(__requires__)
+        except VersionConflict:
+            return cls._build_from_requirements(__requires__)
+
+        return ws
+
+    @classmethod
+    def _build_from_requirements(cls, req_spec):
+        """
+        Build a working set from a requirement spec. Rewrites sys.path.
+        """
+        # try it without defaults already on sys.path
+        # by starting with an empty path
+        ws = cls([])
+        reqs = parse_requirements(req_spec)
+        dists = ws.resolve(reqs, Environment())
+        for dist in dists:
+            ws.add(dist)
+
+        # add any missing entries from sys.path
+        for entry in sys.path:
+            if entry not in ws.entries:
+                ws.add_entry(entry)
+
+        # then copy back to sys.path
+        sys.path[:] = ws.entries
+        return ws
+
+    def add_entry(self, entry):
+        """Add a path item to ``.entries``, finding any distributions on it
+
+        ``find_distributions(entry, True)`` is used to find distributions
+        corresponding to the path entry, and they are added.  `entry` is
+        always appended to ``.entries``, even if it is already present.
+        (This is because ``sys.path`` can contain the same value more than
+        once, and the ``.entries`` of the ``sys.path`` WorkingSet should always
+        equal ``sys.path``.)
+        """
+        self.entry_keys.setdefault(entry, [])
+        self.entries.append(entry)
+        for dist in find_distributions(entry, True):
+            self.add(dist, entry, False)
+
+    def __contains__(self, dist):
+        """True if `dist` is the active distribution for its project"""
+        return self.by_key.get(dist.key) == dist
+
+    def find(self, req):
+        """Find a distribution matching requirement `req`
+
+        If there is an active distribution for the requested project, this
+        returns it as long as it meets the version requirement specified by
+        `req`.  But, if there is an active distribution for the project and it
+        does *not* meet the `req` requirement, ``VersionConflict`` is raised.
+        If there is no active distribution for the requested project, ``None``
+        is returned.
+        """
+        dist = self.by_key.get(req.key)
+
+        if dist is None:
+            canonical_key = self.normalized_to_canonical_keys.get(req.key)
+
+            if canonical_key is not None:
+                req.key = canonical_key
+                dist = self.by_key.get(canonical_key)
+
+        if dist is not None and dist not in req:
+            # XXX add more info
+            raise VersionConflict(dist, req)
+        return dist
+
+    def iter_entry_points(self, group, name=None):
+        """Yield entry point objects from `group` matching `name`
+
+        If `name` is None, yields all entry points in `group` from all
+        distributions in the working set, otherwise only ones matching
+        both `group` and `name` are yielded (in distribution order).
+        """
+        return (
+            entry
+            for dist in self
+            for entry in dist.get_entry_map(group).values()
+            if name is None or name == entry.name
+        )
+
+    def run_script(self, requires, script_name):
+        """Locate distribution for `requires` and run `script_name` script"""
+        ns = sys._getframe(1).f_globals
+        name = ns['__name__']
+        ns.clear()
+        ns['__name__'] = name
+        self.require(requires)[0].run_script(script_name, ns)
+
+    def __iter__(self):
+        """Yield distributions for non-duplicate projects in the working set
+
+        The yield order is the order in which the items' path entries were
+        added to the working set.
+        """
+        seen = {}
+        for item in self.entries:
+            if item not in self.entry_keys:
+                # workaround a cache issue
+                continue
+
+            for key in self.entry_keys[item]:
+                if key not in seen:
+                    seen[key] = 1
+                    yield self.by_key[key]
+
+    def add(self, dist, entry=None, insert=True, replace=False):
+        """Add `dist` to working set, associated with `entry`
+
+        If `entry` is unspecified, it defaults to the ``.location`` of `dist`.
+        On exit from this routine, `entry` is added to the end of the working
+        set's ``.entries`` (if it wasn't already present).
+
+        `dist` is only added to the working set if it's for a project that
+        doesn't already have a distribution in the set, unless `replace=True`.
+        If it's added, any callbacks registered with the ``subscribe()`` method
+        will be called.
+        """
+        if insert:
+            dist.insert_on(self.entries, entry, replace=replace)
+
+        if entry is None:
+            entry = dist.location
+        keys = self.entry_keys.setdefault(entry, [])
+        keys2 = self.entry_keys.setdefault(dist.location, [])
+        if not replace and dist.key in self.by_key:
+            # ignore hidden distros
+            return
+
+        self.by_key[dist.key] = dist
+        normalized_name = packaging.utils.canonicalize_name(dist.key)
+        self.normalized_to_canonical_keys[normalized_name] = dist.key
+        if dist.key not in keys:
+            keys.append(dist.key)
+        if dist.key not in keys2:
+            keys2.append(dist.key)
+        self._added_new(dist)
+
+    # FIXME: 'WorkingSet.resolve' is too complex (11)
+    def resolve(self, requirements, env=None, installer=None,  # noqa: C901
+                replace_conflicting=False, extras=None):
+        """List all distributions needed to (recursively) meet `requirements`
+
+        `requirements` must be a sequence of ``Requirement`` objects.  `env`,
+        if supplied, should be an ``Environment`` instance.  If
+        not supplied, it defaults to all distributions available within any
+        entry or distribution in the working set.  `installer`, if supplied,
+        will be invoked with each requirement that cannot be met by an
+        already-installed distribution; it should return a ``Distribution`` or
+        ``None``.
+
+        Unless `replace_conflicting=True`, raises a VersionConflict exception
+        if
+        any requirements are found on the path that have the correct name but
+        the wrong version.  Otherwise, if an `installer` is supplied it will be
+        invoked to obtain the correct version of the requirement and activate
+        it.
+
+        `extras` is a list of the extras to be used with these requirements.
+        This is important because extra requirements may look like `my_req;
+        extra = "my_extra"`, which would otherwise be interpreted as a purely
+        optional requirement.  Instead, we want to be able to assert that these
+        requirements are truly required.
+        """
+
+        # set up the stack
+        requirements = list(requirements)[::-1]
+        # set of processed requirements
+        processed = {}
+        # key -> dist
+        best = {}
+        to_activate = []
+
+        req_extras = _ReqExtras()
+
+        # Mapping of requirement to set of distributions that required it;
+        # useful for reporting info about conflicts.
+        required_by = collections.defaultdict(set)
+
+        while requirements:
+            # process dependencies breadth-first
+            req = requirements.pop(0)
+            if req in processed:
+                # Ignore cyclic or redundant dependencies
+                continue
+
+            if not req_extras.markers_pass(req, extras):
+                continue
+
+            dist = best.get(req.key)
+            if dist is None:
+                # Find the best distribution and add it to the map
+                dist = self.by_key.get(req.key)
+                if dist is None or (dist not in req and replace_conflicting):
+                    ws = self
+                    if env is None:
+                        if dist is None:
+                            env = Environment(self.entries)
+                        else:
+                            # Use an empty environment and workingset to avoid
+                            # any further conflicts with the conflicting
+                            # distribution
+                            env = Environment([])
+                            ws = WorkingSet([])
+                    dist = best[req.key] = env.best_match(
+                        req, ws, installer,
+                        replace_conflicting=replace_conflicting
+                    )
+                    if dist is None:
+                        requirers = required_by.get(req, None)
+                        raise DistributionNotFound(req, requirers)
+                to_activate.append(dist)
+            if dist not in req:
+                # Oops, the "best" so far conflicts with a dependency
+                dependent_req = required_by[req]
+                raise VersionConflict(dist, req).with_context(dependent_req)
+
+            # push the new requirements onto the stack
+            new_requirements = dist.requires(req.extras)[::-1]
+            requirements.extend(new_requirements)
+
+            # Register the new requirements needed by req
+            for new_requirement in new_requirements:
+                required_by[new_requirement].add(req.project_name)
+                req_extras[new_requirement] = req.extras
+
+            processed[req] = True
+
+        # return list of distros to activate
+        return to_activate
+
+    def find_plugins(
+            self, plugin_env, full_env=None, installer=None, fallback=True):
+        """Find all activatable distributions in `plugin_env`
+
+        Example usage::
+
+            distributions, errors = working_set.find_plugins(
+                Environment(plugin_dirlist)
+            )
+            # add plugins+libs to sys.path
+            map(working_set.add, distributions)
+            # display errors
+            print('Could not load', errors)
+
+        The `plugin_env` should be an ``Environment`` instance that contains
+        only distributions that are in the project's "plugin directory" or
+        directories. The `full_env`, if supplied, should be an ``Environment``
+        contains all currently-available distributions.  If `full_env` is not
+        supplied, one is created automatically from the ``WorkingSet`` this
+        method is called on, which will typically mean that every directory on
+        ``sys.path`` will be scanned for distributions.
+
+        `installer` is a standard installer callback as used by the
+        ``resolve()`` method. The `fallback` flag indicates whether we should
+        attempt to resolve older versions of a plugin if the newest version
+        cannot be resolved.
+
+        This method returns a 2-tuple: (`distributions`, `error_info`), where
+        `distributions` is a list of the distributions found in `plugin_env`
+        that were loadable, along with any other distributions that are needed
+        to resolve their dependencies.  `error_info` is a dictionary mapping
+        unloadable plugin distributions to an exception instance describing the
+        error that occurred. Usually this will be a ``DistributionNotFound`` or
+        ``VersionConflict`` instance.
+        """
+
+        plugin_projects = list(plugin_env)
+        # scan project names in alphabetic order
+        plugin_projects.sort()
+
+        error_info = {}
+        distributions = {}
+
+        if full_env is None:
+            env = Environment(self.entries)
+            env += plugin_env
+        else:
+            env = full_env + plugin_env
+
+        shadow_set = self.__class__([])
+        # put all our entries in shadow_set
+        list(map(shadow_set.add, self))
+
+        for project_name in plugin_projects:
+
+            for dist in plugin_env[project_name]:
+
+                req = [dist.as_requirement()]
+
+                try:
+                    resolvees = shadow_set.resolve(req, env, installer)
+
+                except ResolutionError as v:
+                    # save error info
+                    error_info[dist] = v
+                    if fallback:
+                        # try the next older version of project
+                        continue
+                    else:
+                        # give up on this project, keep going
+                        break
+
+                else:
+                    list(map(shadow_set.add, resolvees))
+                    distributions.update(dict.fromkeys(resolvees))
+
+                    # success, no need to try any more versions of this project
+                    break
+
+        distributions = list(distributions)
+        distributions.sort()
+
+        return distributions, error_info
+
+    def require(self, *requirements):
+        """Ensure that distributions matching `requirements` are activated
+
+        `requirements` must be a string or a (possibly-nested) sequence
+        thereof, specifying the distributions and versions required.  The
+        return value is a sequence of the distributions that needed to be
+        activated to fulfill the requirements; all relevant distributions are
+        included, even if they were already activated in this working set.
+        """
+        needed = self.resolve(parse_requirements(requirements))
+
+        for dist in needed:
+            self.add(dist)
+
+        return needed
+
+    def subscribe(self, callback, existing=True):
+        """Invoke `callback` for all distributions
+
+        If `existing=True` (default),
+        call on all existing ones, as well.
+        """
+        if callback in self.callbacks:
+            return
+        self.callbacks.append(callback)
+        if not existing:
+            return
+        for dist in self:
+            callback(dist)
+
+    def _added_new(self, dist):
+        for callback in self.callbacks:
+            callback(dist)
+
+    def __getstate__(self):
+        return (
+            self.entries[:], self.entry_keys.copy(), self.by_key.copy(),
+            self.normalized_to_canonical_keys.copy(), self.callbacks[:]
+        )
+
+    def __setstate__(self, e_k_b_n_c):
+        entries, keys, by_key, normalized_to_canonical_keys, callbacks = e_k_b_n_c
+        self.entries = entries[:]
+        self.entry_keys = keys.copy()
+        self.by_key = by_key.copy()
+        self.normalized_to_canonical_keys = normalized_to_canonical_keys.copy()
+        self.callbacks = callbacks[:]
+
+
+class _ReqExtras(dict):
+    """
+    Map each requirement to the extras that demanded it.
+    """
+
+    def markers_pass(self, req, extras=None):
+        """
+        Evaluate markers for req against each extra that
+        demanded it.
+
+        Return False if the req has a marker and fails
+        evaluation. Otherwise, return True.
+        """
+        extra_evals = (
+            req.marker.evaluate({'extra': extra})
+            for extra in self.get(req, ()) + (extras or (None,))
+        )
+        return not req.marker or any(extra_evals)
+
+
+class Environment:
+    """Searchable snapshot of distributions on a search path"""
+
+    def __init__(
+            self, search_path=None, platform=get_supported_platform(),
+            python=PY_MAJOR):
+        """Snapshot distributions available on a search path
+
+        Any distributions found on `search_path` are added to the environment.
+        `search_path` should be a sequence of ``sys.path`` items.  If not
+        supplied, ``sys.path`` is used.
+
+        `platform` is an optional string specifying the name of the platform
+        that platform-specific distributions must be compatible with.  If
+        unspecified, it defaults to the current platform.  `python` is an
+        optional string naming the desired version of Python (e.g. ``'3.6'``);
+        it defaults to the current version.
+
+        You may explicitly set `platform` (and/or `python`) to ``None`` if you
+        wish to map *all* distributions, not just those compatible with the
+        running platform or Python version.
+        """
+        self._distmap = {}
+        self.platform = platform
+        self.python = python
+        self.scan(search_path)
+
+    def can_add(self, dist):
+        """Is distribution `dist` acceptable for this environment?
+
+        The distribution must match the platform and python version
+        requirements specified when this environment was created, or False
+        is returned.
+        """
+        py_compat = (
+            self.python is None
+            or dist.py_version is None
+            or dist.py_version == self.python
+        )
+        return py_compat and compatible_platforms(dist.platform, self.platform)
+
+    def remove(self, dist):
+        """Remove `dist` from the environment"""
+        self._distmap[dist.key].remove(dist)
+
+    def scan(self, search_path=None):
+        """Scan `search_path` for distributions usable in this environment
+
+        Any distributions found are added to the environment.
+        `search_path` should be a sequence of ``sys.path`` items.  If not
+        supplied, ``sys.path`` is used.  Only distributions conforming to
+        the platform/python version defined at initialization are added.
+        """
+        if search_path is None:
+            search_path = sys.path
+
+        for item in search_path:
+            for dist in find_distributions(item):
+                self.add(dist)
+
+    def __getitem__(self, project_name):
+        """Return a newest-to-oldest list of distributions for `project_name`
+
+        Uses case-insensitive `project_name` comparison, assuming all the
+        project's distributions use their project's name converted to all
+        lowercase as their key.
+
+        """
+        distribution_key = project_name.lower()
+        return self._distmap.get(distribution_key, [])
+
+    def add(self, dist):
+        """Add `dist` if we ``can_add()`` it and it has not already been added
+        """
+        if self.can_add(dist) and dist.has_version():
+            dists = self._distmap.setdefault(dist.key, [])
+            if dist not in dists:
+                dists.append(dist)
+                dists.sort(key=operator.attrgetter('hashcmp'), reverse=True)
+
+    def best_match(
+            self, req, working_set, installer=None, replace_conflicting=False):
+        """Find distribution best matching `req` and usable on `working_set`
+
+        This calls the ``find(req)`` method of the `working_set` to see if a
+        suitable distribution is already active.  (This may raise
+        ``VersionConflict`` if an unsuitable version of the project is already
+        active in the specified `working_set`.)  If a suitable distribution
+        isn't active, this method returns the newest distribution in the
+        environment that meets the ``Requirement`` in `req`.  If no suitable
+        distribution is found, and `installer` is supplied, then the result of
+        calling the environment's ``obtain(req, installer)`` method will be
+        returned.
+        """
+        try:
+            dist = working_set.find(req)
+        except VersionConflict:
+            if not replace_conflicting:
+                raise
+            dist = None
+        if dist is not None:
+            return dist
+        for dist in self[req.key]:
+            if dist in req:
+                return dist
+        # try to download/install
+        return self.obtain(req, installer)
+
+    def obtain(self, requirement, installer=None):
+        """Obtain a distribution matching `requirement` (e.g. via download)
+
+        Obtain a distro that matches requirement (e.g. via download).  In the
+        base ``Environment`` class, this routine just returns
+        ``installer(requirement)``, unless `installer` is None, in which case
+        None is returned instead.  This method is a hook that allows subclasses
+        to attempt other ways of obtaining a distribution before falling back
+        to the `installer` argument."""
+        if installer is not None:
+            return installer(requirement)
+
+    def __iter__(self):
+        """Yield the unique project names of the available distributions"""
+        for key in self._distmap.keys():
+            if self[key]:
+                yield key
+
+    def __iadd__(self, other):
+        """In-place addition of a distribution or environment"""
+        if isinstance(other, Distribution):
+            self.add(other)
+        elif isinstance(other, Environment):
+            for project in other:
+                for dist in other[project]:
+                    self.add(dist)
+        else:
+            raise TypeError("Can't add %r to environment" % (other,))
+        return self
+
+    def __add__(self, other):
+        """Add an environment or distribution to an environment"""
+        new = self.__class__([], platform=None, python=None)
+        for env in self, other:
+            new += env
+        return new
+
+
+# XXX backward compatibility
+AvailableDistributions = Environment
+
+
+class ExtractionError(RuntimeError):
+    """An error occurred extracting a resource
+
+    The following attributes are available from instances of this exception:
+
+    manager
+        The resource manager that raised this exception
+
+    cache_path
+        The base directory for resource extraction
+
+    original_error
+        The exception instance that caused extraction to fail
+    """
+
+
+class ResourceManager:
+    """Manage resource extraction and packages"""
+    extraction_path = None
+
+    def __init__(self):
+        self.cached_files = {}
+
+    def resource_exists(self, package_or_requirement, resource_name):
+        """Does the named resource exist?"""
+        return get_provider(package_or_requirement).has_resource(resource_name)
+
+    def resource_isdir(self, package_or_requirement, resource_name):
+        """Is the named resource an existing directory?"""
+        return get_provider(package_or_requirement).resource_isdir(
+            resource_name
+        )
+
+    def resource_filename(self, package_or_requirement, resource_name):
+        """Return a true filesystem path for specified resource"""
+        return get_provider(package_or_requirement).get_resource_filename(
+            self, resource_name
+        )
+
+    def resource_stream(self, package_or_requirement, resource_name):
+        """Return a readable file-like object for specified resource"""
+        return get_provider(package_or_requirement).get_resource_stream(
+            self, resource_name
+        )
+
+    def resource_string(self, package_or_requirement, resource_name):
+        """Return specified resource as a string"""
+        return get_provider(package_or_requirement).get_resource_string(
+            self, resource_name
+        )
+
+    def resource_listdir(self, package_or_requirement, resource_name):
+        """List the contents of the named resource directory"""
+        return get_provider(package_or_requirement).resource_listdir(
+            resource_name
+        )
+
+    def extraction_error(self):
+        """Give an error message for problems extracting file(s)"""
+
+        old_exc = sys.exc_info()[1]
+        cache_path = self.extraction_path or get_default_cache()
+
+        tmpl = textwrap.dedent("""
+            Can't extract file(s) to egg cache
+
+            The following error occurred while trying to extract file(s)
+            to the Python egg cache:
+
+              {old_exc}
+
+            The Python egg cache directory is currently set to:
+
+              {cache_path}
+
+            Perhaps your account does not have write access to this directory?
+            You can change the cache directory by setting the PYTHON_EGG_CACHE
+            environment variable to point to an accessible directory.
+            """).lstrip()
+        err = ExtractionError(tmpl.format(**locals()))
+        err.manager = self
+        err.cache_path = cache_path
+        err.original_error = old_exc
+        raise err
+
+    def get_cache_path(self, archive_name, names=()):
+        """Return absolute location in cache for `archive_name` and `names`
+
+        The parent directory of the resulting path will be created if it does
+        not already exist.  `archive_name` should be the base filename of the
+        enclosing egg (which may not be the name of the enclosing zipfile!),
+        including its ".egg" extension.  `names`, if provided, should be a
+        sequence of path name parts "under" the egg's extraction location.
+
+        This method should only be called by resource providers that need to
+        obtain an extraction location, and only for names they intend to
+        extract, as it tracks the generated names for possible cleanup later.
+        """
+        extract_path = self.extraction_path or get_default_cache()
+        target_path = os.path.join(extract_path, archive_name + '-tmp', *names)
+        try:
+            _bypass_ensure_directory(target_path)
+        except Exception:
+            self.extraction_error()
+
+        self._warn_unsafe_extraction_path(extract_path)
+
+        self.cached_files[target_path] = 1
+        return target_path
+
+    @staticmethod
+    def _warn_unsafe_extraction_path(path):
+        """
+        If the default extraction path is overridden and set to an insecure
+        location, such as /tmp, it opens up an opportunity for an attacker to
+        replace an extracted file with an unauthorized payload. Warn the user
+        if a known insecure location is used.
+
+        See Distribute #375 for more details.
+        """
+        if os.name == 'nt' and not path.startswith(os.environ['windir']):
+            # On Windows, permissions are generally restrictive by default
+            #  and temp directories are not writable by other users, so
+            #  bypass the warning.
+            return
+        mode = os.stat(path).st_mode
+        if mode & stat.S_IWOTH or mode & stat.S_IWGRP:
+            msg = (
+                "Extraction path is writable by group/others "
+                "and vulnerable to attack when "
+                "used with get_resource_filename ({path}). "
+                "Consider a more secure "
+                "location (set with .set_extraction_path or the "
+                "PYTHON_EGG_CACHE environment variable)."
+            ).format(**locals())
+            warnings.warn(msg, UserWarning)
+
+    def postprocess(self, tempname, filename):
+        """Perform any platform-specific postprocessing of `tempname`
+
+        This is where Mac header rewrites should be done; other platforms don't
+        have anything special they should do.
+
+        Resource providers should call this method ONLY after successfully
+        extracting a compressed resource.  They must NOT call it on resources
+        that are already in the filesystem.
+
+        `tempname` is the current (temporary) name of the file, and `filename`
+        is the name it will be renamed to by the caller after this routine
+        returns.
+        """
+
+        if os.name == 'posix':
+            # Make the resource executable
+            mode = ((os.stat(tempname).st_mode) | 0o555) & 0o7777
+            os.chmod(tempname, mode)
+
+    def set_extraction_path(self, path):
+        """Set the base path where resources will be extracted to, if needed.
+
+        If you do not call this routine before any extractions take place, the
+        path defaults to the return value of ``get_default_cache()``.  (Which
+        is based on the ``PYTHON_EGG_CACHE`` environment variable, with various
+        platform-specific fallbacks.  See that routine's documentation for more
+        details.)
+
+        Resources are extracted to subdirectories of this path based upon
+        information given by the ``IResourceProvider``.  You may set this to a
+        temporary directory, but then you must call ``cleanup_resources()`` to
+        delete the extracted files when done.  There is no guarantee that
+        ``cleanup_resources()`` will be able to remove all extracted files.
+
+        (Note: you may not change the extraction path for a given resource
+        manager once resources have been extracted, unless you first call
+        ``cleanup_resources()``.)
+        """
+        if self.cached_files:
+            raise ValueError(
+                "Can't change extraction path, files already extracted"
+            )
+
+        self.extraction_path = path
+
+    def cleanup_resources(self, force=False):
+        """
+        Delete all extracted resource files and directories, returning a list
+        of the file and directory names that could not be successfully removed.
+        This function does not have any concurrency protection, so it should
+        generally only be called when the extraction path is a temporary
+        directory exclusive to a single process.  This method is not
+        automatically called; you must call it explicitly or register it as an
+        ``atexit`` function if you wish to ensure cleanup of a temporary
+        directory used for extractions.
+        """
+        # XXX
+
+
+def get_default_cache():
+    """
+    Return the ``PYTHON_EGG_CACHE`` environment variable
+    or a platform-relevant user cache dir for an app
+    named "Python-Eggs".
+    """
+    return (
+        os.environ.get('PYTHON_EGG_CACHE')
+        or appdirs.user_cache_dir(appname='Python-Eggs')
+    )
+
+
+def safe_name(name):
+    """Convert an arbitrary string to a standard distribution name
+
+    Any runs of non-alphanumeric/. characters are replaced with a single '-'.
+    """
+    return re.sub('[^A-Za-z0-9.]+', '-', name)
+
+
+def safe_version(version):
+    """
+    Convert an arbitrary string to a standard version string
+    """
+    try:
+        # normalize the version
+        return str(packaging.version.Version(version))
+    except packaging.version.InvalidVersion:
+        version = version.replace(' ', '.')
+        return re.sub('[^A-Za-z0-9.]+', '-', version)
+
+
+def safe_extra(extra):
+    """Convert an arbitrary string to a standard 'extra' name
+
+    Any runs of non-alphanumeric characters are replaced with a single '_',
+    and the result is always lowercased.
+    """
+    return re.sub('[^A-Za-z0-9.-]+', '_', extra).lower()
+
+
+def to_filename(name):
+    """Convert a project or version name to its filename-escaped form
+
+    Any '-' characters are currently replaced with '_'.
+    """
+    return name.replace('-', '_')
+
+
+def invalid_marker(text):
+    """
+    Validate text as a PEP 508 environment marker; return an exception
+    if invalid or False otherwise.
+    """
+    try:
+        evaluate_marker(text)
+    except SyntaxError as e:
+        e.filename = None
+        e.lineno = None
+        return e
+    return False
+
+
+def evaluate_marker(text, extra=None):
+    """
+    Evaluate a PEP 508 environment marker.
+    Return a boolean indicating the marker result in this environment.
+    Raise SyntaxError if marker is invalid.
+
+    This implementation uses the 'pyparsing' module.
+    """
+    try:
+        marker = packaging.markers.Marker(text)
+        return marker.evaluate()
+    except packaging.markers.InvalidMarker as e:
+        raise SyntaxError(e) from e
+
+
+class NullProvider:
+    """Try to implement resources and metadata for arbitrary PEP 302 loaders"""
+
+    egg_name = None
+    egg_info = None
+    loader = None
+
+    def __init__(self, module):
+        self.loader = getattr(module, '__loader__', None)
+        self.module_path = os.path.dirname(getattr(module, '__file__', ''))
+
+    def get_resource_filename(self, manager, resource_name):
+        return self._fn(self.module_path, resource_name)
+
+    def get_resource_stream(self, manager, resource_name):
+        return io.BytesIO(self.get_resource_string(manager, resource_name))
+
+    def get_resource_string(self, manager, resource_name):
+        return self._get(self._fn(self.module_path, resource_name))
+
+    def has_resource(self, resource_name):
+        return self._has(self._fn(self.module_path, resource_name))
+
+    def _get_metadata_path(self, name):
+        return self._fn(self.egg_info, name)
+
+    def has_metadata(self, name):
+        if not self.egg_info:
+            return self.egg_info
+
+        path = self._get_metadata_path(name)
+        return self._has(path)
+
+    def get_metadata(self, name):
+        if not self.egg_info:
+            return ""
+        path = self._get_metadata_path(name)
+        value = self._get(path)
+        try:
+            return value.decode('utf-8')
+        except UnicodeDecodeError as exc:
+            # Include the path in the error message to simplify
+            # troubleshooting, and without changing the exception type.
+            exc.reason += ' in {} file at path: {}'.format(name, path)
+            raise
+
+    def get_metadata_lines(self, name):
+        return yield_lines(self.get_metadata(name))
+
+    def resource_isdir(self, resource_name):
+        return self._isdir(self._fn(self.module_path, resource_name))
+
+    def metadata_isdir(self, name):
+        return self.egg_info and self._isdir(self._fn(self.egg_info, name))
+
+    def resource_listdir(self, resource_name):
+        return self._listdir(self._fn(self.module_path, resource_name))
+
+    def metadata_listdir(self, name):
+        if self.egg_info:
+            return self._listdir(self._fn(self.egg_info, name))
+        return []
+
+    def run_script(self, script_name, namespace):
+        script = 'scripts/' + script_name
+        if not self.has_metadata(script):
+            raise ResolutionError(
+                "Script {script!r} not found in metadata at {self.egg_info!r}"
+                .format(**locals()),
+            )
+        script_text = self.get_metadata(script).replace('\r\n', '\n')
+        script_text = script_text.replace('\r', '\n')
+        script_filename = self._fn(self.egg_info, script)
+        namespace['__file__'] = script_filename
+        if os.path.exists(script_filename):
+            with open(script_filename) as fid:
+                source = fid.read()
+            code = compile(source, script_filename, 'exec')
+            exec(code, namespace, namespace)
+        else:
+            from linecache import cache
+            cache[script_filename] = (
+                len(script_text), 0, script_text.split('\n'), script_filename
+            )
+            script_code = compile(script_text, script_filename, 'exec')
+            exec(script_code, namespace, namespace)
+
+    def _has(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _isdir(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _listdir(self, path):
+        raise NotImplementedError(
+            "Can't perform this operation for unregistered loader type"
+        )
+
+    def _fn(self, base, resource_name):
+        self._validate_resource_path(resource_name)
+        if resource_name:
+            return os.path.join(base, *resource_name.split('/'))
+        return base
+
+    @staticmethod
+    def _validate_resource_path(path):
+        """
+        Validate the resource paths according to the docs.
+        https://setuptools.pypa.io/en/latest/pkg_resources.html#basic-resource-access
+
+        >>> warned = getfixture('recwarn')
+        >>> warnings.simplefilter('always')
+        >>> vrp = NullProvider._validate_resource_path
+        >>> vrp('foo/bar.txt')
+        >>> bool(warned)
+        False
+        >>> vrp('../foo/bar.txt')
+        >>> bool(warned)
+        True
+        >>> warned.clear()
+        >>> vrp('/foo/bar.txt')
+        >>> bool(warned)
+        True
+        >>> vrp('foo/../../bar.txt')
+        >>> bool(warned)
+        True
+        >>> warned.clear()
+        >>> vrp('foo/f../bar.txt')
+        >>> bool(warned)
+        False
+
+        Windows path separators are straight-up disallowed.
+        >>> vrp(r'\\foo/bar.txt')
+        Traceback (most recent call last):
+        ...
+        ValueError: Use of .. or absolute path in a resource path \
+is not allowed.
+
+        >>> vrp(r'C:\\foo/bar.txt')
+        Traceback (most recent call last):
+        ...
+        ValueError: Use of .. or absolute path in a resource path \
+is not allowed.
+
+        Blank values are allowed
+
+        >>> vrp('')
+        >>> bool(warned)
+        False
+
+        Non-string values are not.
+
+        >>> vrp(None)
+        Traceback (most recent call last):
+        ...
+        AttributeError: ...
+        """
+        invalid = (
+            os.path.pardir in path.split(posixpath.sep) or
+            posixpath.isabs(path) or
+            ntpath.isabs(path)
+        )
+        if not invalid:
+            return
+
+        msg = "Use of .. or absolute path in a resource path is not allowed."
+
+        # Aggressively disallow Windows absolute paths
+        if ntpath.isabs(path) and not posixpath.isabs(path):
+            raise ValueError(msg)
+
+        # for compatibility, warn; in future
+        # raise ValueError(msg)
+        warnings.warn(
+            msg[:-1] + " and will raise exceptions in a future release.",
+            DeprecationWarning,
+            stacklevel=4,
+        )
+
+    def _get(self, path):
+        if hasattr(self.loader, 'get_data'):
+            return self.loader.get_data(path)
+        raise NotImplementedError(
+            "Can't perform this operation for loaders without 'get_data()'"
+        )
+
+
+register_loader_type(object, NullProvider)
+
+
+def _parents(path):
+    """
+    yield all parents of path including path
+    """
+    last = None
+    while path != last:
+        yield path
+        last = path
+        path, _ = os.path.split(path)
+
+
+class EggProvider(NullProvider):
+    """Provider based on a virtual filesystem"""
+
+    def __init__(self, module):
+        super().__init__(module)
+        self._setup_prefix()
+
+    def _setup_prefix(self):
+        # Assume that metadata may be nested inside a "basket"
+        # of multiple eggs and use module_path instead of .archive.
+        eggs = filter(_is_egg_path, _parents(self.module_path))
+        egg = next(eggs, None)
+        egg and self._set_egg(egg)
+
+    def _set_egg(self, path):
+        self.egg_name = os.path.basename(path)
+        self.egg_info = os.path.join(path, 'EGG-INFO')
+        self.egg_root = path
+
+
+class DefaultProvider(EggProvider):
+    """Provides access to package resources in the filesystem"""
+
+    def _has(self, path):
+        return os.path.exists(path)
+
+    def _isdir(self, path):
+        return os.path.isdir(path)
+
+    def _listdir(self, path):
+        return os.listdir(path)
+
+    def get_resource_stream(self, manager, resource_name):
+        return open(self._fn(self.module_path, resource_name), 'rb')
+
+    def _get(self, path):
+        with open(path, 'rb') as stream:
+            return stream.read()
+
+    @classmethod
+    def _register(cls):
+        loader_names = 'SourceFileLoader', 'SourcelessFileLoader',
+        for name in loader_names:
+            loader_cls = getattr(importlib_machinery, name, type(None))
+            register_loader_type(loader_cls, cls)
+
+
+DefaultProvider._register()
+
+
+class EmptyProvider(NullProvider):
+    """Provider that returns nothing for all requests"""
+
+    module_path = None
+
+    _isdir = _has = lambda self, path: False
+
+    def _get(self, path):
+        return ''
+
+    def _listdir(self, path):
+        return []
+
+    def __init__(self):
+        pass
+
+
+empty_provider = EmptyProvider()
+
+
+class ZipManifests(dict):
+    """
+    zip manifest builder
+    """
+
+    @classmethod
+    def build(cls, path):
+        """
+        Build a dictionary similar to the zipimport directory
+        caches, except instead of tuples, store ZipInfo objects.
+
+        Use a platform-specific path separator (os.sep) for the path keys
+        for compatibility with pypy on Windows.
+        """
+        with zipfile.ZipFile(path) as zfile:
+            items = (
+                (
+                    name.replace('/', os.sep),
+                    zfile.getinfo(name),
+                )
+                for name in zfile.namelist()
+            )
+            return dict(items)
+
+    load = build
+
+
+class MemoizedZipManifests(ZipManifests):
+    """
+    Memoized zipfile manifests.
+    """
+    manifest_mod = collections.namedtuple('manifest_mod', 'manifest mtime')
+
+    def load(self, path):
+        """
+        Load a manifest at path or return a suitable manifest already loaded.
+        """
+        path = os.path.normpath(path)
+        mtime = os.stat(path).st_mtime
+
+        if path not in self or self[path].mtime != mtime:
+            manifest = self.build(path)
+            self[path] = self.manifest_mod(manifest, mtime)
+
+        return self[path].manifest
+
+
+class ZipProvider(EggProvider):
+    """Resource support for zips and eggs"""
+
+    eagers = None
+    _zip_manifests = MemoizedZipManifests()
+
+    def __init__(self, module):
+        super().__init__(module)
+        self.zip_pre = self.loader.archive + os.sep
+
+    def _zipinfo_name(self, fspath):
+        # Convert a virtual filename (full path to file) into a zipfile subpath
+        # usable with the zipimport directory cache for our target archive
+        fspath = fspath.rstrip(os.sep)
+        if fspath == self.loader.archive:
+            return ''
+        if fspath.startswith(self.zip_pre):
+            return fspath[len(self.zip_pre):]
+        raise AssertionError(
+            "%s is not a subpath of %s" % (fspath, self.zip_pre)
+        )
+
+    def _parts(self, zip_path):
+        # Convert a zipfile subpath into an egg-relative path part list.
+        # pseudo-fs path
+        fspath = self.zip_pre + zip_path
+        if fspath.startswith(self.egg_root + os.sep):
+            return fspath[len(self.egg_root) + 1:].split(os.sep)
+        raise AssertionError(
+            "%s is not a subpath of %s" % (fspath, self.egg_root)
+        )
+
+    @property
+    def zipinfo(self):
+        return self._zip_manifests.load(self.loader.archive)
+
+    def get_resource_filename(self, manager, resource_name):
+        if not self.egg_name:
+            raise NotImplementedError(
+                "resource_filename() only supported for .egg, not .zip"
+            )
+        # no need to lock for extraction, since we use temp names
+        zip_path = self._resource_to_zip(resource_name)
+        eagers = self._get_eager_resources()
+        if '/'.join(self._parts(zip_path)) in eagers:
+            for name in eagers:
+                self._extract_resource(manager, self._eager_to_zip(name))
+        return self._extract_resource(manager, zip_path)
+
+    @staticmethod
+    def _get_date_and_size(zip_stat):
+        size = zip_stat.file_size
+        # ymdhms+wday, yday, dst
+        date_time = zip_stat.date_time + (0, 0, -1)
+        # 1980 offset already done
+        timestamp = time.mktime(date_time)
+        return timestamp, size
+
+    # FIXME: 'ZipProvider._extract_resource' is too complex (12)
+    def _extract_resource(self, manager, zip_path):  # noqa: C901
+
+        if zip_path in self._index():
+            for name in self._index()[zip_path]:
+                last = self._extract_resource(
+                    manager, os.path.join(zip_path, name)
+                )
+            # return the extracted directory name
+            return os.path.dirname(last)
+
+        timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
+
+        if not WRITE_SUPPORT:
+            raise IOError('"os.rename" and "os.unlink" are not supported '
+                          'on this platform')
+        try:
+
+            real_path = manager.get_cache_path(
+                self.egg_name, self._parts(zip_path)
+            )
+
+            if self._is_current(real_path, zip_path):
+                return real_path
+
+            outf, tmpnam = _mkstemp(
+                ".$extract",
+                dir=os.path.dirname(real_path),
+            )
+            os.write(outf, self.loader.get_data(zip_path))
+            os.close(outf)
+            utime(tmpnam, (timestamp, timestamp))
+            manager.postprocess(tmpnam, real_path)
+
+            try:
+                rename(tmpnam, real_path)
+
+            except os.error:
+                if os.path.isfile(real_path):
+                    if self._is_current(real_path, zip_path):
+                        # the file became current since it was checked above,
+                        #  so proceed.
+                        return real_path
+                    # Windows, del old file and retry
+                    elif os.name == 'nt':
+                        unlink(real_path)
+                        rename(tmpnam, real_path)
+                        return real_path
+                raise
+
+        except os.error:
+            # report a user-friendly error
+            manager.extraction_error()
+
+        return real_path
+
+    def _is_current(self, file_path, zip_path):
+        """
+        Return True if the file_path is current for this zip_path
+        """
+        timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
+        if not os.path.isfile(file_path):
+            return False
+        stat = os.stat(file_path)
+        if stat.st_size != size or stat.st_mtime != timestamp:
+            return False
+        # check that the contents match
+        zip_contents = self.loader.get_data(zip_path)
+        with open(file_path, 'rb') as f:
+            file_contents = f.read()
+        return zip_contents == file_contents
+
+    def _get_eager_resources(self):
+        if self.eagers is None:
+            eagers = []
+            for name in ('native_libs.txt', 'eager_resources.txt'):
+                if self.has_metadata(name):
+                    eagers.extend(self.get_metadata_lines(name))
+            self.eagers = eagers
+        return self.eagers
+
+    def _index(self):
+        try:
+            return self._dirindex
+        except AttributeError:
+            ind = {}
+            for path in self.zipinfo:
+                parts = path.split(os.sep)
+                while parts:
+                    parent = os.sep.join(parts[:-1])
+                    if parent in ind:
+                        ind[parent].append(parts[-1])
+                        break
+                    else:
+                        ind[parent] = [parts.pop()]
+            self._dirindex = ind
+            return ind
+
+    def _has(self, fspath):
+        zip_path = self._zipinfo_name(fspath)
+        return zip_path in self.zipinfo or zip_path in self._index()
+
+    def _isdir(self, fspath):
+        return self._zipinfo_name(fspath) in self._index()
+
+    def _listdir(self, fspath):
+        return list(self._index().get(self._zipinfo_name(fspath), ()))
+
+    def _eager_to_zip(self, resource_name):
+        return self._zipinfo_name(self._fn(self.egg_root, resource_name))
+
+    def _resource_to_zip(self, resource_name):
+        return self._zipinfo_name(self._fn(self.module_path, resource_name))
+
+
+register_loader_type(zipimport.zipimporter, ZipProvider)
+
+
+class FileMetadata(EmptyProvider):
+    """Metadata handler for standalone PKG-INFO files
+
+    Usage::
+
+        metadata = FileMetadata("/path/to/PKG-INFO")
+
+    This provider rejects all data and metadata requests except for PKG-INFO,
+    which is treated as existing, and will be the contents of the file at
+    the provided location.
+    """
+
+    def __init__(self, path):
+        self.path = path
+
+    def _get_metadata_path(self, name):
+        return self.path
+
+    def has_metadata(self, name):
+        return name == 'PKG-INFO' and os.path.isfile(self.path)
+
+    def get_metadata(self, name):
+        if name != 'PKG-INFO':
+            raise KeyError("No metadata except PKG-INFO is available")
+
+        with io.open(self.path, encoding='utf-8', errors="replace") as f:
+            metadata = f.read()
+        self._warn_on_replacement(metadata)
+        return metadata
+
+    def _warn_on_replacement(self, metadata):
+        replacement_char = '�'
+        if replacement_char in metadata:
+            tmpl = "{self.path} could not be properly decoded in UTF-8"
+            msg = tmpl.format(**locals())
+            warnings.warn(msg)
+
+    def get_metadata_lines(self, name):
+        return yield_lines(self.get_metadata(name))
+
+
+class PathMetadata(DefaultProvider):
+    """Metadata provider for egg directories
+
+    Usage::
+
+        # Development eggs:
+
+        egg_info = "/path/to/PackageName.egg-info"
+        base_dir = os.path.dirname(egg_info)
+        metadata = PathMetadata(base_dir, egg_info)
+        dist_name = os.path.splitext(os.path.basename(egg_info))[0]
+        dist = Distribution(basedir, project_name=dist_name, metadata=metadata)
+
+        # Unpacked egg directories:
+
+        egg_path = "/path/to/PackageName-ver-pyver-etc.egg"
+        metadata = PathMetadata(egg_path, os.path.join(egg_path,'EGG-INFO'))
+        dist = Distribution.from_filename(egg_path, metadata=metadata)
+    """
+
+    def __init__(self, path, egg_info):
+        self.module_path = path
+        self.egg_info = egg_info
+
+
+class EggMetadata(ZipProvider):
+    """Metadata provider for .egg files"""
+
+    def __init__(self, importer):
+        """Create a metadata provider from a zipimporter"""
+
+        self.zip_pre = importer.archive + os.sep
+        self.loader = importer
+        if importer.prefix:
+            self.module_path = os.path.join(importer.archive, importer.prefix)
+        else:
+            self.module_path = importer.archive
+        self._setup_prefix()
+
+
+_declare_state('dict', _distribution_finders={})
+
+
+def register_finder(importer_type, distribution_finder):
+    """Register `distribution_finder` to find distributions in sys.path items
+
+    `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item
+    handler), and `distribution_finder` is a callable that, passed a path
+    item and the importer instance, yields ``Distribution`` instances found on
+    that path item.  See ``pkg_resources.find_on_path`` for an example."""
+    _distribution_finders[importer_type] = distribution_finder
+
+
+def find_distributions(path_item, only=False):
+    """Yield distributions accessible via `path_item`"""
+    importer = get_importer(path_item)
+    finder = _find_adapter(_distribution_finders, importer)
+    return finder(importer, path_item, only)
+
+
+def find_eggs_in_zip(importer, path_item, only=False):
+    """
+    Find eggs in zip files; possibly multiple nested eggs.
+    """
+    if importer.archive.endswith('.whl'):
+        # wheels are not supported with this finder
+        # they don't have PKG-INFO metadata, and won't ever contain eggs
+        return
+    metadata = EggMetadata(importer)
+    if metadata.has_metadata('PKG-INFO'):
+        yield Distribution.from_filename(path_item, metadata=metadata)
+    if only:
+        # don't yield nested distros
+        return
+    for subitem in metadata.resource_listdir(''):
+        if _is_egg_path(subitem):
+            subpath = os.path.join(path_item, subitem)
+            dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath)
+            for dist in dists:
+                yield dist
+        elif subitem.lower().endswith(('.dist-info', '.egg-info')):
+            subpath = os.path.join(path_item, subitem)
+            submeta = EggMetadata(zipimport.zipimporter(subpath))
+            submeta.egg_info = subpath
+            yield Distribution.from_location(path_item, subitem, submeta)
+
+
+register_finder(zipimport.zipimporter, find_eggs_in_zip)
+
+
+def find_nothing(importer, path_item, only=False):
+    return ()
+
+
+register_finder(object, find_nothing)
+
+
+def _by_version_descending(names):
+    """
+    Given a list of filenames, return them in descending order
+    by version number.
+
+    >>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg'
+    >>> _by_version_descending(names)
+    ['Python-2.7.10.egg', 'Python-2.7.2.egg', 'bar', 'foo']
+    >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg'
+    >>> _by_version_descending(names)
+    ['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg']
+    >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg'
+    >>> _by_version_descending(names)
+    ['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg']
+    """
+    def try_parse(name):
+        """
+        Attempt to parse as a version or return a null version.
+        """
+        try:
+            return packaging.version.Version(name)
+        except Exception:
+            return packaging.version.Version('0')
+
+    def _by_version(name):
+        """
+        Parse each component of the filename
+        """
+        name, ext = os.path.splitext(name)
+        parts = itertools.chain(name.split('-'), [ext])
+        return [try_parse(part) for part in parts]
+
+    return sorted(names, key=_by_version, reverse=True)
+
+
+def find_on_path(importer, path_item, only=False):
+    """Yield distributions accessible on a sys.path directory"""
+    path_item = _normalize_cached(path_item)
+
+    if _is_unpacked_egg(path_item):
+        yield Distribution.from_filename(
+            path_item, metadata=PathMetadata(
+                path_item, os.path.join(path_item, 'EGG-INFO')
+            )
+        )
+        return
+
+    entries = (
+        os.path.join(path_item, child)
+        for child in safe_listdir(path_item)
+    )
+
+    # for performance, before sorting by version,
+    # screen entries for only those that will yield
+    # distributions
+    filtered = (
+        entry
+        for entry in entries
+        if dist_factory(path_item, entry, only)
+    )
+
+    # scan for .egg and .egg-info in directory
+    path_item_entries = _by_version_descending(filtered)
+    for entry in path_item_entries:
+        fullpath = os.path.join(path_item, entry)
+        factory = dist_factory(path_item, entry, only)
+        for dist in factory(fullpath):
+            yield dist
+
+
+def dist_factory(path_item, entry, only):
+    """Return a dist_factory for the given entry."""
+    lower = entry.lower()
+    is_egg_info = lower.endswith('.egg-info')
+    is_dist_info = (
+        lower.endswith('.dist-info') and
+        os.path.isdir(os.path.join(path_item, entry))
+    )
+    is_meta = is_egg_info or is_dist_info
+    return (
+        distributions_from_metadata
+        if is_meta else
+        find_distributions
+        if not only and _is_egg_path(entry) else
+        resolve_egg_link
+        if not only and lower.endswith('.egg-link') else
+        NoDists()
+    )
+
+
+class NoDists:
+    """
+    >>> bool(NoDists())
+    False
+
+    >>> list(NoDists()('anything'))
+    []
+    """
+    def __bool__(self):
+        return False
+
+    def __call__(self, fullpath):
+        return iter(())
+
+
+def safe_listdir(path):
+    """
+    Attempt to list contents of path, but suppress some exceptions.
+    """
+    try:
+        return os.listdir(path)
+    except (PermissionError, NotADirectoryError):
+        pass
+    except OSError as e:
+        # Ignore the directory if does not exist, not a directory or
+        # permission denied
+        if e.errno not in (errno.ENOTDIR, errno.EACCES, errno.ENOENT):
+            raise
+    return ()
+
+
+def distributions_from_metadata(path):
+    root = os.path.dirname(path)
+    if os.path.isdir(path):
+        if len(os.listdir(path)) == 0:
+            # empty metadata dir; skip
+            return
+        metadata = PathMetadata(root, path)
+    else:
+        metadata = FileMetadata(path)
+    entry = os.path.basename(path)
+    yield Distribution.from_location(
+        root, entry, metadata, precedence=DEVELOP_DIST,
+    )
+
+
+def non_empty_lines(path):
+    """
+    Yield non-empty lines from file at path
+    """
+    with open(path) as f:
+        for line in f:
+            line = line.strip()
+            if line:
+                yield line
+
+
+def resolve_egg_link(path):
+    """
+    Given a path to an .egg-link, resolve distributions
+    present in the referenced path.
+    """
+    referenced_paths = non_empty_lines(path)
+    resolved_paths = (
+        os.path.join(os.path.dirname(path), ref)
+        for ref in referenced_paths
+    )
+    dist_groups = map(find_distributions, resolved_paths)
+    return next(dist_groups, ())
+
+
+register_finder(pkgutil.ImpImporter, find_on_path)
+
+if hasattr(importlib_machinery, 'FileFinder'):
+    register_finder(importlib_machinery.FileFinder, find_on_path)
+
+_declare_state('dict', _namespace_handlers={})
+_declare_state('dict', _namespace_packages={})
+
+
+def register_namespace_handler(importer_type, namespace_handler):
+    """Register `namespace_handler` to declare namespace packages
+
+    `importer_type` is the type or class of a PEP 302 "Importer" (sys.path item
+    handler), and `namespace_handler` is a callable like this::
+
+        def namespace_handler(importer, path_entry, moduleName, module):
+            # return a path_entry to use for child packages
+
+    Namespace handlers are only called if the importer object has already
+    agreed that it can handle the relevant path item, and they should only
+    return a subpath if the module __path__ does not already contain an
+    equivalent subpath.  For an example namespace handler, see
+    ``pkg_resources.file_ns_handler``.
+    """
+    _namespace_handlers[importer_type] = namespace_handler
+
+
+def _handle_ns(packageName, path_item):
+    """Ensure that named package includes a subpath of path_item (if needed)"""
+
+    importer = get_importer(path_item)
+    if importer is None:
+        return None
+
+    # use find_spec (PEP 451) and fall-back to find_module (PEP 302)
+    try:
+        spec = importer.find_spec(packageName)
+    except AttributeError:
+        # capture warnings due to #1111
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            loader = importer.find_module(packageName)
+    else:
+        loader = spec.loader if spec else None
+
+    if loader is None:
+        return None
+    module = sys.modules.get(packageName)
+    if module is None:
+        module = sys.modules[packageName] = types.ModuleType(packageName)
+        module.__path__ = []
+        _set_parent_ns(packageName)
+    elif not hasattr(module, '__path__'):
+        raise TypeError("Not a package:", packageName)
+    handler = _find_adapter(_namespace_handlers, importer)
+    subpath = handler(importer, path_item, packageName, module)
+    if subpath is not None:
+        path = module.__path__
+        path.append(subpath)
+        importlib.import_module(packageName)
+        _rebuild_mod_path(path, packageName, module)
+    return subpath
+
+
+def _rebuild_mod_path(orig_path, package_name, module):
+    """
+    Rebuild module.__path__ ensuring that all entries are ordered
+    corresponding to their sys.path order
+    """
+    sys_path = [_normalize_cached(p) for p in sys.path]
+
+    def safe_sys_path_index(entry):
+        """
+        Workaround for #520 and #513.
+        """
+        try:
+            return sys_path.index(entry)
+        except ValueError:
+            return float('inf')
+
+    def position_in_sys_path(path):
+        """
+        Return the ordinal of the path based on its position in sys.path
+        """
+        path_parts = path.split(os.sep)
+        module_parts = package_name.count('.') + 1
+        parts = path_parts[:-module_parts]
+        return safe_sys_path_index(_normalize_cached(os.sep.join(parts)))
+
+    new_path = sorted(orig_path, key=position_in_sys_path)
+    new_path = [_normalize_cached(p) for p in new_path]
+
+    if isinstance(module.__path__, list):
+        module.__path__[:] = new_path
+    else:
+        module.__path__ = new_path
+
+
+def declare_namespace(packageName):
+    """Declare that package 'packageName' is a namespace package"""
+
+    _imp.acquire_lock()
+    try:
+        if packageName in _namespace_packages:
+            return
+
+        path = sys.path
+        parent, _, _ = packageName.rpartition('.')
+
+        if parent:
+            declare_namespace(parent)
+            if parent not in _namespace_packages:
+                __import__(parent)
+            try:
+                path = sys.modules[parent].__path__
+            except AttributeError as e:
+                raise TypeError("Not a package:", parent) from e
+
+        # Track what packages are namespaces, so when new path items are added,
+        # they can be updated
+        _namespace_packages.setdefault(parent or None, []).append(packageName)
+        _namespace_packages.setdefault(packageName, [])
+
+        for path_item in path:
+            # Ensure all the parent's path items are reflected in the child,
+            # if they apply
+            _handle_ns(packageName, path_item)
+
+    finally:
+        _imp.release_lock()
+
+
+def fixup_namespace_packages(path_item, parent=None):
+    """Ensure that previously-declared namespace packages include path_item"""
+    _imp.acquire_lock()
+    try:
+        for package in _namespace_packages.get(parent, ()):
+            subpath = _handle_ns(package, path_item)
+            if subpath:
+                fixup_namespace_packages(subpath, package)
+    finally:
+        _imp.release_lock()
+
+
+def file_ns_handler(importer, path_item, packageName, module):
+    """Compute an ns-package subpath for a filesystem or zipfile importer"""
+
+    subpath = os.path.join(path_item, packageName.split('.')[-1])
+    normalized = _normalize_cached(subpath)
+    for item in module.__path__:
+        if _normalize_cached(item) == normalized:
+            break
+    else:
+        # Only return the path if it's not already there
+        return subpath
+
+
+register_namespace_handler(pkgutil.ImpImporter, file_ns_handler)
+register_namespace_handler(zipimport.zipimporter, file_ns_handler)
+
+if hasattr(importlib_machinery, 'FileFinder'):
+    register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler)
+
+
+def null_ns_handler(importer, path_item, packageName, module):
+    return None
+
+
+register_namespace_handler(object, null_ns_handler)
+
+
+def normalize_path(filename):
+    """Normalize a file/dir name for comparison purposes"""
+    return os.path.normcase(os.path.realpath(os.path.normpath(
+        _cygwin_patch(filename))))
+
+
+def _cygwin_patch(filename):  # pragma: nocover
+    """
+    Contrary to POSIX 2008, on Cygwin, getcwd (3) contains
+    symlink components. Using
+    os.path.abspath() works around this limitation. A fix in os.getcwd()
+    would probably better, in Cygwin even more so, except
+    that this seems to be by design...
+    """
+    return os.path.abspath(filename) if sys.platform == 'cygwin' else filename
+
+
+def _normalize_cached(filename, _cache={}):
+    try:
+        return _cache[filename]
+    except KeyError:
+        _cache[filename] = result = normalize_path(filename)
+        return result
+
+
+def _is_egg_path(path):
+    """
+    Determine if given path appears to be an egg.
+    """
+    return _is_zip_egg(path) or _is_unpacked_egg(path)
+
+
+def _is_zip_egg(path):
+    return (
+        path.lower().endswith('.egg') and
+        os.path.isfile(path) and
+        zipfile.is_zipfile(path)
+    )
+
+
+def _is_unpacked_egg(path):
+    """
+    Determine if given path appears to be an unpacked egg.
+    """
+    return (
+        path.lower().endswith('.egg') and
+        os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO'))
+    )
+
+
+def _set_parent_ns(packageName):
+    parts = packageName.split('.')
+    name = parts.pop()
+    if parts:
+        parent = '.'.join(parts)
+        setattr(sys.modules[parent], name, sys.modules[packageName])
+
+
+MODULE = re.compile(r"\w+(\.\w+)*$").match
+EGG_NAME = re.compile(
+    r"""
+    (?P<name>[^-]+) (
+        -(?P<ver>[^-]+) (
+            -py(?P<pyver>[^-]+) (
+                -(?P<plat>.+)
+            )?
+        )?
+    )?
+    """,
+    re.VERBOSE | re.IGNORECASE,
+).match
+
+
+class EntryPoint:
+    """Object representing an advertised importable object"""
+
+    def __init__(self, name, module_name, attrs=(), extras=(), dist=None):
+        if not MODULE(module_name):
+            raise ValueError("Invalid module name", module_name)
+        self.name = name
+        self.module_name = module_name
+        self.attrs = tuple(attrs)
+        self.extras = tuple(extras)
+        self.dist = dist
+
+    def __str__(self):
+        s = "%s = %s" % (self.name, self.module_name)
+        if self.attrs:
+            s += ':' + '.'.join(self.attrs)
+        if self.extras:
+            s += ' [%s]' % ','.join(self.extras)
+        return s
+
+    def __repr__(self):
+        return "EntryPoint.parse(%r)" % str(self)
+
+    def load(self, require=True, *args, **kwargs):
+        """
+        Require packages for this EntryPoint, then resolve it.
+        """
+        if not require or args or kwargs:
+            warnings.warn(
+                "Parameters to load are deprecated.  Call .resolve and "
+                ".require separately.",
+                PkgResourcesDeprecationWarning,
+                stacklevel=2,
+            )
+        if require:
+            self.require(*args, **kwargs)
+        return self.resolve()
+
+    def resolve(self):
+        """
+        Resolve the entry point from its module and attrs.
+        """
+        module = __import__(self.module_name, fromlist=['__name__'], level=0)
+        try:
+            return functools.reduce(getattr, self.attrs, module)
+        except AttributeError as exc:
+            raise ImportError(str(exc)) from exc
+
+    def require(self, env=None, installer=None):
+        if self.extras and not self.dist:
+            raise UnknownExtra("Can't require() without a distribution", self)
+
+        # Get the requirements for this entry point with all its extras and
+        # then resolve them. We have to pass `extras` along when resolving so
+        # that the working set knows what extras we want. Otherwise, for
+        # dist-info distributions, the working set will assume that the
+        # requirements for that extra are purely optional and skip over them.
+        reqs = self.dist.requires(self.extras)
+        items = working_set.resolve(reqs, env, installer, extras=self.extras)
+        list(map(working_set.add, items))
+
+    pattern = re.compile(
+        r'\s*'
+        r'(?P<name>.+?)\s*'
+        r'=\s*'
+        r'(?P<module>[\w.]+)\s*'
+        r'(:\s*(?P<attr>[\w.]+))?\s*'
+        r'(?P<extras>\[.*\])?\s*$'
+    )
+
+    @classmethod
+    def parse(cls, src, dist=None):
+        """Parse a single entry point from string `src`
+
+        Entry point syntax follows the form::
+
+            name = some.module:some.attr [extra1, extra2]
+
+        The entry name and module name are required, but the ``:attrs`` and
+        ``[extras]`` parts are optional
+        """
+        m = cls.pattern.match(src)
+        if not m:
+            msg = "EntryPoint must be in 'name=module:attrs [extras]' format"
+            raise ValueError(msg, src)
+        res = m.groupdict()
+        extras = cls._parse_extras(res['extras'])
+        attrs = res['attr'].split('.') if res['attr'] else ()
+        return cls(res['name'], res['module'], attrs, extras, dist)
+
+    @classmethod
+    def _parse_extras(cls, extras_spec):
+        if not extras_spec:
+            return ()
+        req = Requirement.parse('x' + extras_spec)
+        if req.specs:
+            raise ValueError()
+        return req.extras
+
+    @classmethod
+    def parse_group(cls, group, lines, dist=None):
+        """Parse an entry point group"""
+        if not MODULE(group):
+            raise ValueError("Invalid group name", group)
+        this = {}
+        for line in yield_lines(lines):
+            ep = cls.parse(line, dist)
+            if ep.name in this:
+                raise ValueError("Duplicate entry point", group, ep.name)
+            this[ep.name] = ep
+        return this
+
+    @classmethod
+    def parse_map(cls, data, dist=None):
+        """Parse a map of entry point groups"""
+        if isinstance(data, dict):
+            data = data.items()
+        else:
+            data = split_sections(data)
+        maps = {}
+        for group, lines in data:
+            if group is None:
+                if not lines:
+                    continue
+                raise ValueError("Entry points must be listed in groups")
+            group = group.strip()
+            if group in maps:
+                raise ValueError("Duplicate group name", group)
+            maps[group] = cls.parse_group(group, lines, dist)
+        return maps
+
+
+def _version_from_file(lines):
+    """
+    Given an iterable of lines from a Metadata file, return
+    the value of the Version field, if present, or None otherwise.
+    """
+    def is_version_line(line):
+        return line.lower().startswith('version:')
+    version_lines = filter(is_version_line, lines)
+    line = next(iter(version_lines), '')
+    _, _, value = line.partition(':')
+    return safe_version(value.strip()) or None
+
+
+class Distribution:
+    """Wrap an actual or potential sys.path entry w/metadata"""
+    PKG_INFO = 'PKG-INFO'
+
+    def __init__(
+            self, location=None, metadata=None, project_name=None,
+            version=None, py_version=PY_MAJOR, platform=None,
+            precedence=EGG_DIST):
+        self.project_name = safe_name(project_name or 'Unknown')
+        if version is not None:
+            self._version = safe_version(version)
+        self.py_version = py_version
+        self.platform = platform
+        self.location = location
+        self.precedence = precedence
+        self._provider = metadata or empty_provider
+
+    @classmethod
+    def from_location(cls, location, basename, metadata=None, **kw):
+        project_name, version, py_version, platform = [None] * 4
+        basename, ext = os.path.splitext(basename)
+        if ext.lower() in _distributionImpl:
+            cls = _distributionImpl[ext.lower()]
+
+            match = EGG_NAME(basename)
+            if match:
+                project_name, version, py_version, platform = match.group(
+                    'name', 'ver', 'pyver', 'plat'
+                )
+        return cls(
+            location, metadata, project_name=project_name, version=version,
+            py_version=py_version, platform=platform, **kw
+        )._reload_version()
+
+    def _reload_version(self):
+        return self
+
+    @property
+    def hashcmp(self):
+        return (
+            self.parsed_version,
+            self.precedence,
+            self.key,
+            self.location,
+            self.py_version or '',
+            self.platform or '',
+        )
+
+    def __hash__(self):
+        return hash(self.hashcmp)
+
+    def __lt__(self, other):
+        return self.hashcmp < other.hashcmp
+
+    def __le__(self, other):
+        return self.hashcmp <= other.hashcmp
+
+    def __gt__(self, other):
+        return self.hashcmp > other.hashcmp
+
+    def __ge__(self, other):
+        return self.hashcmp >= other.hashcmp
+
+    def __eq__(self, other):
+        if not isinstance(other, self.__class__):
+            # It's not a Distribution, so they are not equal
+            return False
+        return self.hashcmp == other.hashcmp
+
+    def __ne__(self, other):
+        return not self == other
+
+    # These properties have to be lazy so that we don't have to load any
+    # metadata until/unless it's actually needed.  (i.e., some distributions
+    # may not know their name or version without loading PKG-INFO)
+
+    @property
+    def key(self):
+        try:
+            return self._key
+        except AttributeError:
+            self._key = key = self.project_name.lower()
+            return key
+
+    @property
+    def parsed_version(self):
+        if not hasattr(self, "_parsed_version"):
+            self._parsed_version = parse_version(self.version)
+
+        return self._parsed_version
+
+    def _warn_legacy_version(self):
+        LV = packaging.version.LegacyVersion
+        is_legacy = isinstance(self._parsed_version, LV)
+        if not is_legacy:
+            return
+
+        # While an empty version is technically a legacy version and
+        # is not a valid PEP 440 version, it's also unlikely to
+        # actually come from someone and instead it is more likely that
+        # it comes from setuptools attempting to parse a filename and
+        # including it in the list. So for that we'll gate this warning
+        # on if the version is anything at all or not.
+        if not self.version:
+            return
+
+        tmpl = textwrap.dedent("""
+            '{project_name} ({version})' is being parsed as a legacy,
+            non PEP 440,
+            version. You may find odd behavior and sort order.
+            In particular it will be sorted as less than 0.0. It
+            is recommended to migrate to PEP 440 compatible
+            versions.
+            """).strip().replace('\n', ' ')
+
+        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)
+
+    @property
+    def version(self):
+        try:
+            return self._version
+        except AttributeError as e:
+            version = self._get_version()
+            if version is None:
+                path = self._get_metadata_path_for_display(self.PKG_INFO)
+                msg = (
+                    "Missing 'Version:' header and/or {} file at path: {}"
+                ).format(self.PKG_INFO, path)
+                raise ValueError(msg, self) from e
+
+            return version
+
+    @property
+    def _dep_map(self):
+        """
+        A map of extra to its list of (direct) requirements
+        for this distribution, including the null extra.
+        """
+        try:
+            return self.__dep_map
+        except AttributeError:
+            self.__dep_map = self._filter_extras(self._build_dep_map())
+        return self.__dep_map
+
+    @staticmethod
+    def _filter_extras(dm):
+        """
+        Given a mapping of extras to dependencies, strip off
+        environment markers and filter out any dependencies
+        not matching the markers.
+        """
+        for extra in list(filter(None, dm)):
+            new_extra = extra
+            reqs = dm.pop(extra)
+            new_extra, _, marker = extra.partition(':')
+            fails_marker = marker and (
+                invalid_marker(marker)
+                or not evaluate_marker(marker)
+            )
+            if fails_marker:
+                reqs = []
+            new_extra = safe_extra(new_extra) or None
+
+            dm.setdefault(new_extra, []).extend(reqs)
+        return dm
+
+    def _build_dep_map(self):
+        dm = {}
+        for name in 'requires.txt', 'depends.txt':
+            for extra, reqs in split_sections(self._get_metadata(name)):
+                dm.setdefault(extra, []).extend(parse_requirements(reqs))
+        return dm
+
+    def requires(self, extras=()):
+        """List of Requirements needed for this distro if `extras` are used"""
+        dm = self._dep_map
+        deps = []
+        deps.extend(dm.get(None, ()))
+        for ext in extras:
+            try:
+                deps.extend(dm[safe_extra(ext)])
+            except KeyError as e:
+                raise UnknownExtra(
+                    "%s has no such extra feature %r" % (self, ext)
+                ) from e
+        return deps
+
+    def _get_metadata_path_for_display(self, name):
+        """
+        Return the path to the given metadata file, if available.
+        """
+        try:
+            # We need to access _get_metadata_path() on the provider object
+            # directly rather than through this class's __getattr__()
+            # since _get_metadata_path() is marked private.
+            path = self._provider._get_metadata_path(name)
+
+        # Handle exceptions e.g. in case the distribution's metadata
+        # provider doesn't support _get_metadata_path().
+        except Exception:
+            return '[could not detect]'
+
+        return path
+
+    def _get_metadata(self, name):
+        if self.has_metadata(name):
+            for line in self.get_metadata_lines(name):
+                yield line
+
+    def _get_version(self):
+        lines = self._get_metadata(self.PKG_INFO)
+        version = _version_from_file(lines)
+
+        return version
+
+    def activate(self, path=None, replace=False):
+        """Ensure distribution is importable on `path` (default=sys.path)"""
+        if path is None:
+            path = sys.path
+        self.insert_on(path, replace=replace)
+        if path is sys.path:
+            fixup_namespace_packages(self.location)
+            for pkg in self._get_metadata('namespace_packages.txt'):
+                if pkg in sys.modules:
+                    declare_namespace(pkg)
+
+    def egg_name(self):
+        """Return what this distribution's standard .egg filename should be"""
+        filename = "%s-%s-py%s" % (
+            to_filename(self.project_name), to_filename(self.version),
+            self.py_version or PY_MAJOR
+        )
+
+        if self.platform:
+            filename += '-' + self.platform
+        return filename
+
+    def __repr__(self):
+        if self.location:
+            return "%s (%s)" % (self, self.location)
+        else:
+            return str(self)
+
+    def __str__(self):
+        try:
+            version = getattr(self, 'version', None)
+        except ValueError:
+            version = None
+        version = version or "[unknown version]"
+        return "%s %s" % (self.project_name, version)
+
+    def __getattr__(self, attr):
+        """Delegate all unrecognized public attributes to .metadata provider"""
+        if attr.startswith('_'):
+            raise AttributeError(attr)
+        return getattr(self._provider, attr)
+
+    def __dir__(self):
+        return list(
+            set(super(Distribution, self).__dir__())
+            | set(
+                attr for attr in self._provider.__dir__()
+                if not attr.startswith('_')
+            )
+        )
+
+    @classmethod
+    def from_filename(cls, filename, metadata=None, **kw):
+        return cls.from_location(
+            _normalize_cached(filename), os.path.basename(filename), metadata,
+            **kw
+        )
+
+    def as_requirement(self):
+        """Return a ``Requirement`` that matches this distribution exactly"""
+        if isinstance(self.parsed_version, packaging.version.Version):
+            spec = "%s==%s" % (self.project_name, self.parsed_version)
+        else:
+            spec = "%s===%s" % (self.project_name, self.parsed_version)
+
+        return Requirement.parse(spec)
+
+    def load_entry_point(self, group, name):
+        """Return the `name` entry point of `group` or raise ImportError"""
+        ep = self.get_entry_info(group, name)
+        if ep is None:
+            raise ImportError("Entry point %r not found" % ((group, name),))
+        return ep.load()
+
+    def get_entry_map(self, group=None):
+        """Return the entry point map for `group`, or the full entry map"""
+        try:
+            ep_map = self._ep_map
+        except AttributeError:
+            ep_map = self._ep_map = EntryPoint.parse_map(
+                self._get_metadata('entry_points.txt'), self
+            )
+        if group is not None:
+            return ep_map.get(group, {})
+        return ep_map
+
+    def get_entry_info(self, group, name):
+        """Return the EntryPoint object for `group`+`name`, or ``None``"""
+        return self.get_entry_map(group).get(name)
+
+    # FIXME: 'Distribution.insert_on' is too complex (13)
+    def insert_on(self, path, loc=None, replace=False):  # noqa: C901
+        """Ensure self.location is on path
+
+        If replace=False (default):
+            - If location is already in path anywhere, do nothing.
+            - Else:
+              - If it's an egg and its parent directory is on path,
+                insert just ahead of the parent.
+              - Else: add to the end of path.
+        If replace=True:
+            - If location is already on path anywhere (not eggs)
+              or higher priority than its parent (eggs)
+              do nothing.
+            - Else:
+              - If it's an egg and its parent directory is on path,
+                insert just ahead of the parent,
+                removing any lower-priority entries.
+              - Else: add it to the front of path.
+        """
+
+        loc = loc or self.location
+        if not loc:
+            return
+
+        nloc = _normalize_cached(loc)
+        bdir = os.path.dirname(nloc)
+        npath = [(p and _normalize_cached(p) or p) for p in path]
+
+        for p, item in enumerate(npath):
+            if item == nloc:
+                if replace:
+                    break
+                else:
+                    # don't modify path (even removing duplicates) if
+                    # found and not replace
+                    return
+            elif item == bdir and self.precedence == EGG_DIST:
+                # if it's an .egg, give it precedence over its directory
+                # UNLESS it's already been added to sys.path and replace=False
+                if (not replace) and nloc in npath[p:]:
+                    return
+                if path is sys.path:
+                    self.check_version_conflict()
+                path.insert(p, loc)
+                npath.insert(p, nloc)
+                break
+        else:
+            if path is sys.path:
+                self.check_version_conflict()
+            if replace:
+                path.insert(0, loc)
+            else:
+                path.append(loc)
+            return
+
+        # p is the spot where we found or inserted loc; now remove duplicates
+        while True:
+            try:
+                np = npath.index(nloc, p + 1)
+            except ValueError:
+                break
+            else:
+                del npath[np], path[np]
+                # ha!
+                p = np
+
+        return
+
+    def check_version_conflict(self):
+        if self.key == 'setuptools':
+            # ignore the inevitable setuptools self-conflicts  :(
+            return
+
+        nsp = dict.fromkeys(self._get_metadata('namespace_packages.txt'))
+        loc = normalize_path(self.location)
+        for modname in self._get_metadata('top_level.txt'):
+            if (modname not in sys.modules or modname in nsp
+                    or modname in _namespace_packages):
+                continue
+            if modname in ('pkg_resources', 'setuptools', 'site'):
+                continue
+            fn = getattr(sys.modules[modname], '__file__', None)
+            if fn and (normalize_path(fn).startswith(loc) or
+                       fn.startswith(self.location)):
+                continue
+            issue_warning(
+                "Module %s was already imported from %s, but %s is being added"
+                " to sys.path" % (modname, fn, self.location),
+            )
+
+    def has_version(self):
+        try:
+            self.version
+        except ValueError:
+            issue_warning("Unbuilt egg for " + repr(self))
+            return False
+        return True
+
+    def clone(self, **kw):
+        """Copy this distribution, substituting in any changed keyword args"""
+        names = 'project_name version py_version platform location precedence'
+        for attr in names.split():
+            kw.setdefault(attr, getattr(self, attr, None))
+        kw.setdefault('metadata', self._provider)
+        return self.__class__(**kw)
+
+    @property
+    def extras(self):
+        return [dep for dep in self._dep_map if dep]
+
+
+class EggInfoDistribution(Distribution):
+    def _reload_version(self):
+        """
+        Packages installed by distutils (e.g. numpy or scipy),
+        which uses an old safe_version, and so
+        their version numbers can get mangled when
+        converted to filenames (e.g., 1.11.0.dev0+2329eae to
+        1.11.0.dev0_2329eae). These distributions will not be
+        parsed properly
+        downstream by Distribution and safe_version, so
+        take an extra step and try to get the version number from
+        the metadata file itself instead of the filename.
+        """
+        md_version = self._get_version()
+        if md_version:
+            self._version = md_version
+        return self
+
+
+class DistInfoDistribution(Distribution):
+    """
+    Wrap an actual or potential sys.path entry
+    w/metadata, .dist-info style.
+    """
+    PKG_INFO = 'METADATA'
+    EQEQ = re.compile(r"([\(,])\s*(\d.*?)\s*([,\)])")
+
+    @property
+    def _parsed_pkg_info(self):
+        """Parse and cache metadata"""
+        try:
+            return self._pkg_info
+        except AttributeError:
+            metadata = self.get_metadata(self.PKG_INFO)
+            self._pkg_info = email.parser.Parser().parsestr(metadata)
+            return self._pkg_info
+
+    @property
+    def _dep_map(self):
+        try:
+            return self.__dep_map
+        except AttributeError:
+            self.__dep_map = self._compute_dependencies()
+            return self.__dep_map
+
+    def _compute_dependencies(self):
+        """Recompute this distribution's dependencies."""
+        dm = self.__dep_map = {None: []}
+
+        reqs = []
+        # Including any condition expressions
+        for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:
+            reqs.extend(parse_requirements(req))
+
+        def reqs_for_extra(extra):
+            for req in reqs:
+                if not req.marker or req.marker.evaluate({'extra': extra}):
+                    yield req
+
+        common = types.MappingProxyType(dict.fromkeys(reqs_for_extra(None)))
+        dm[None].extend(common)
+
+        for extra in self._parsed_pkg_info.get_all('Provides-Extra') or []:
+            s_extra = safe_extra(extra.strip())
+            dm[s_extra] = [r for r in reqs_for_extra(extra) if r not in common]
+
+        return dm
+
+
+_distributionImpl = {
+    '.egg': Distribution,
+    '.egg-info': EggInfoDistribution,
+    '.dist-info': DistInfoDistribution,
+}
+
+
+def issue_warning(*args, **kw):
+    level = 1
+    g = globals()
+    try:
+        # find the first stack frame that is *not* code in
+        # the pkg_resources module, to use for the warning
+        while sys._getframe(level).f_globals is g:
+            level += 1
+    except ValueError:
+        pass
+    warnings.warn(stacklevel=level + 1, *args, **kw)
+
+
+def parse_requirements(strs):
+    """
+    Yield ``Requirement`` objects for each specification in `strs`.
+
+    `strs` must be a string, or a (possibly-nested) iterable thereof.
+    """
+    return map(Requirement, join_continuation(map(drop_comment, yield_lines(strs))))
+
+
+class RequirementParseError(packaging.requirements.InvalidRequirement):
+    "Compatibility wrapper for InvalidRequirement"
+
+
+class Requirement(packaging.requirements.Requirement):
+    def __init__(self, requirement_string):
+        """DO NOT CALL THIS UNDOCUMENTED METHOD; use Requirement.parse()!"""
+        super(Requirement, self).__init__(requirement_string)
+        self.unsafe_name = self.name
+        project_name = safe_name(self.name)
+        self.project_name, self.key = project_name, project_name.lower()
+        self.specs = [
+            (spec.operator, spec.version) for spec in self.specifier]
+        self.extras = tuple(map(safe_extra, self.extras))
+        self.hashCmp = (
+            self.key,
+            self.url,
+            self.specifier,
+            frozenset(self.extras),
+            str(self.marker) if self.marker else None,
+        )
+        self.__hash = hash(self.hashCmp)
+
+    def __eq__(self, other):
+        return (
+            isinstance(other, Requirement) and
+            self.hashCmp == other.hashCmp
+        )
+
+    def __ne__(self, other):
+        return not self == other
+
+    def __contains__(self, item):
+        if isinstance(item, Distribution):
+            if item.key != self.key:
+                return False
+
+            item = item.version
+
+        # Allow prereleases always in order to match the previous behavior of
+        # this method. In the future this should be smarter and follow PEP 440
+        # more accurately.
+        return self.specifier.contains(item, prereleases=True)
+
+    def __hash__(self):
+        return self.__hash
+
+    def __repr__(self):
+        return "Requirement.parse(%r)" % str(self)
+
+    @staticmethod
+    def parse(s):
+        req, = parse_requirements(s)
+        return req
+
+
+def _always_object(classes):
+    """
+    Ensure object appears in the mro even
+    for old-style classes.
+    """
+    if object not in classes:
+        return classes + (object,)
+    return classes
+
+
+def _find_adapter(registry, ob):
+    """Return an adapter factory for `ob` from `registry`"""
+    types = _always_object(inspect.getmro(getattr(ob, '__class__', type(ob))))
+    for t in types:
+        if t in registry:
+            return registry[t]
+
+
+def ensure_directory(path):
+    """Ensure that the parent directory of `path` exists"""
+    dirname = os.path.dirname(path)
+    os.makedirs(dirname, exist_ok=True)
+
+
+def _bypass_ensure_directory(path):
+    """Sandbox-bypassing version of ensure_directory()"""
+    if not WRITE_SUPPORT:
+        raise IOError('"os.mkdir" not supported on this platform.')
+    dirname, filename = split(path)
+    if dirname and filename and not isdir(dirname):
+        _bypass_ensure_directory(dirname)
+        try:
+            mkdir(dirname, 0o755)
+        except FileExistsError:
+            pass
+
+
+def split_sections(s):
+    """Split a string or iterable thereof into (section, content) pairs
+
+    Each ``section`` is a stripped version of the section header ("[section]")
+    and each ``content`` is a list of stripped lines excluding blank lines and
+    comment-only lines.  If there are any such lines before the first section
+    header, they're returned in a first ``section`` of ``None``.
+    """
+    section = None
+    content = []
+    for line in yield_lines(s):
+        if line.startswith("["):
+            if line.endswith("]"):
+                if section or content:
+                    yield section, content
+                section = line[1:-1].strip()
+                content = []
+            else:
+                raise ValueError("Invalid section heading", line)
+        else:
+            content.append(line)
+
+    # wrap up last segment
+    yield section, content
+
+
+def _mkstemp(*args, **kw):
+    old_open = os.open
+    try:
+        # temporarily bypass sandboxing
+        os.open = os_open
+        return tempfile.mkstemp(*args, **kw)
+    finally:
+        # and then put it back
+        os.open = old_open
+
+
+# Silence the PEP440Warning by default, so that end users don't get hit by it
+# randomly just because they use pkg_resources. We want to append the rule
+# because we want earlier uses of filterwarnings to take precedence over this
+# one.
+warnings.filterwarnings("ignore", category=PEP440Warning, append=True)
+
+
+# from jaraco.functools 1.3
+def _call_aside(f, *args, **kwargs):
+    f(*args, **kwargs)
+    return f
+
+
+@_call_aside
+def _initialize(g=globals()):
+    "Set up global resource manager (deliberately not state-saved)"
+    manager = ResourceManager()
+    g['_manager'] = manager
+    g.update(
+        (name, getattr(manager, name))
+        for name in dir(manager)
+        if not name.startswith('_')
+    )
+
+
+class PkgResourcesDeprecationWarning(Warning):
+    """
+    Base class for warning about deprecations in ``pkg_resources``
+
+    This class is not derived from ``DeprecationWarning``, and as such is
+    visible by default.
+    """
+
+
+@_call_aside
+def _initialize_master_working_set():
+    """
+    Prepare the master working set and make the ``require()``
+    API available.
+
+    This function has explicit effects on the global state
+    of pkg_resources. It is intended to be invoked once at
+    the initialization of this module.
+
+    Invocation by other packages is unsupported and done
+    at their own risk.
+    """
+    working_set = WorkingSet._build_master()
+    _declare_state('object', working_set=working_set)
+
+    require = working_set.require
+    iter_entry_points = working_set.iter_entry_points
+    add_activation_listener = working_set.subscribe
+    run_script = working_set.run_script
+    # backward compatibility
+    run_main = run_script
+    # Activate all distributions already on sys.path with replace=False and
+    # ensure that all distributions added to the working set in the future
+    # (e.g. by calling ``require()``) will get activated as well,
+    # with higher priority (replace=True).
+    tuple(
+        dist.activate(replace=False)
+        for dist in working_set
+    )
+    add_activation_listener(
+        lambda dist: dist.activate(replace=True),
+        existing=False,
+    )
+    working_set.entries = []
+    # match order
+    list(map(working_set.add_entry, sys.path))
+    globals().update(locals())
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new file mode 100644
index 00000000..ae67001a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/appdirs.py
@@ -0,0 +1,608 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (c) 2005-2010 ActiveState Software Inc.
+# Copyright (c) 2013 Eddy Petrișor
+
+"""Utilities for determining application-specific dirs.
+
+See <http://github.com/ActiveState/appdirs> for details and usage.
+"""
+# Dev Notes:
+# - MSDN on where to store app data files:
+#   http://support.microsoft.com/default.aspx?scid=kb;en-us;310294#XSLTH3194121123120121120120
+# - Mac OS X: http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/index.html
+# - XDG spec for Un*x: http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+
+__version_info__ = (1, 4, 3)
+__version__ = '.'.join(map(str, __version_info__))
+
+
+import sys
+import os
+
+PY3 = sys.version_info[0] == 3
+
+if PY3:
+    unicode = str
+
+if sys.platform.startswith('java'):
+    import platform
+    os_name = platform.java_ver()[3][0]
+    if os_name.startswith('Windows'): # "Windows XP", "Windows 7", etc.
+        system = 'win32'
+    elif os_name.startswith('Mac'): # "Mac OS X", etc.
+        system = 'darwin'
+    else: # "Linux", "SunOS", "FreeBSD", etc.
+        # Setting this to "linux2" is not ideal, but only Windows or Mac
+        # are actually checked for and the rest of the module expects
+        # *sys.platform* style strings.
+        system = 'linux2'
+else:
+    system = sys.platform
+
+
+
+def user_data_dir(appname=None, appauthor=None, version=None, roaming=False):
+    r"""Return full path to the user-specific data dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "roaming" (boolean, default False) can be set True to use the Windows
+            roaming appdata directory. That means that for users on a Windows
+            network setup for roaming profiles, this user data will be
+            sync'd on login. See
+            <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
+            for a discussion of issues.
+
+    Typical user data directories are:
+        Mac OS X:               ~/Library/Application Support/<AppName>
+        Unix:                   ~/.local/share/<AppName>    # or in $XDG_DATA_HOME, if defined
+        Win XP (not roaming):   C:\Documents and Settings\<username>\Application Data\<AppAuthor>\<AppName>
+        Win XP (roaming):       C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>
+        Win 7  (not roaming):   C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>
+        Win 7  (roaming):       C:\Users\<username>\AppData\Roaming\<AppAuthor>\<AppName>
+
+    For Unix, we follow the XDG spec and support $XDG_DATA_HOME.
+    That means, by default "~/.local/share/<AppName>".
+    """
+    if system == "win32":
+        if appauthor is None:
+            appauthor = appname
+        const = roaming and "CSIDL_APPDATA" or "CSIDL_LOCAL_APPDATA"
+        path = os.path.normpath(_get_win_folder(const))
+        if appname:
+            if appauthor is not False:
+                path = os.path.join(path, appauthor, appname)
+            else:
+                path = os.path.join(path, appname)
+    elif system == 'darwin':
+        path = os.path.expanduser('~/Library/Application Support/')
+        if appname:
+            path = os.path.join(path, appname)
+    else:
+        path = os.getenv('XDG_DATA_HOME', os.path.expanduser("~/.local/share"))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def site_data_dir(appname=None, appauthor=None, version=None, multipath=False):
+    r"""Return full path to the user-shared data dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "multipath" is an optional parameter only applicable to *nix
+            which indicates that the entire list of data dirs should be
+            returned. By default, the first item from XDG_DATA_DIRS is
+            returned, or '/usr/local/share/<AppName>',
+            if XDG_DATA_DIRS is not set
+
+    Typical site data directories are:
+        Mac OS X:   /Library/Application Support/<AppName>
+        Unix:       /usr/local/share/<AppName> or /usr/share/<AppName>
+        Win XP:     C:\Documents and Settings\All Users\Application Data\<AppAuthor>\<AppName>
+        Vista:      (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.)
+        Win 7:      C:\ProgramData\<AppAuthor>\<AppName>   # Hidden, but writeable on Win 7.
+
+    For Unix, this is using the $XDG_DATA_DIRS[0] default.
+
+    WARNING: Do not use this on Windows. See the Vista-Fail note above for why.
+    """
+    if system == "win32":
+        if appauthor is None:
+            appauthor = appname
+        path = os.path.normpath(_get_win_folder("CSIDL_COMMON_APPDATA"))
+        if appname:
+            if appauthor is not False:
+                path = os.path.join(path, appauthor, appname)
+            else:
+                path = os.path.join(path, appname)
+    elif system == 'darwin':
+        path = os.path.expanduser('/Library/Application Support')
+        if appname:
+            path = os.path.join(path, appname)
+    else:
+        # XDG default for $XDG_DATA_DIRS
+        # only first, if multipath is False
+        path = os.getenv('XDG_DATA_DIRS',
+                         os.pathsep.join(['/usr/local/share', '/usr/share']))
+        pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)]
+        if appname:
+            if version:
+                appname = os.path.join(appname, version)
+            pathlist = [os.sep.join([x, appname]) for x in pathlist]
+
+        if multipath:
+            path = os.pathsep.join(pathlist)
+        else:
+            path = pathlist[0]
+        return path
+
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def user_config_dir(appname=None, appauthor=None, version=None, roaming=False):
+    r"""Return full path to the user-specific config dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "roaming" (boolean, default False) can be set True to use the Windows
+            roaming appdata directory. That means that for users on a Windows
+            network setup for roaming profiles, this user data will be
+            sync'd on login. See
+            <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
+            for a discussion of issues.
+
+    Typical user config directories are:
+        Mac OS X:               same as user_data_dir
+        Unix:                   ~/.config/<AppName>     # or in $XDG_CONFIG_HOME, if defined
+        Win *:                  same as user_data_dir
+
+    For Unix, we follow the XDG spec and support $XDG_CONFIG_HOME.
+    That means, by default "~/.config/<AppName>".
+    """
+    if system in ["win32", "darwin"]:
+        path = user_data_dir(appname, appauthor, None, roaming)
+    else:
+        path = os.getenv('XDG_CONFIG_HOME', os.path.expanduser("~/.config"))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def site_config_dir(appname=None, appauthor=None, version=None, multipath=False):
+    r"""Return full path to the user-shared data dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "multipath" is an optional parameter only applicable to *nix
+            which indicates that the entire list of config dirs should be
+            returned. By default, the first item from XDG_CONFIG_DIRS is
+            returned, or '/etc/xdg/<AppName>', if XDG_CONFIG_DIRS is not set
+
+    Typical site config directories are:
+        Mac OS X:   same as site_data_dir
+        Unix:       /etc/xdg/<AppName> or $XDG_CONFIG_DIRS[i]/<AppName> for each value in
+                    $XDG_CONFIG_DIRS
+        Win *:      same as site_data_dir
+        Vista:      (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.)
+
+    For Unix, this is using the $XDG_CONFIG_DIRS[0] default, if multipath=False
+
+    WARNING: Do not use this on Windows. See the Vista-Fail note above for why.
+    """
+    if system in ["win32", "darwin"]:
+        path = site_data_dir(appname, appauthor)
+        if appname and version:
+            path = os.path.join(path, version)
+    else:
+        # XDG default for $XDG_CONFIG_DIRS
+        # only first, if multipath is False
+        path = os.getenv('XDG_CONFIG_DIRS', '/etc/xdg')
+        pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)]
+        if appname:
+            if version:
+                appname = os.path.join(appname, version)
+            pathlist = [os.sep.join([x, appname]) for x in pathlist]
+
+        if multipath:
+            path = os.pathsep.join(pathlist)
+        else:
+            path = pathlist[0]
+    return path
+
+
+def user_cache_dir(appname=None, appauthor=None, version=None, opinion=True):
+    r"""Return full path to the user-specific cache dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "opinion" (boolean) can be False to disable the appending of
+            "Cache" to the base app data dir for Windows. See
+            discussion below.
+
+    Typical user cache directories are:
+        Mac OS X:   ~/Library/Caches/<AppName>
+        Unix:       ~/.cache/<AppName> (XDG default)
+        Win XP:     C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>\Cache
+        Vista:      C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>\Cache
+
+    On Windows the only suggestion in the MSDN docs is that local settings go in
+    the `CSIDL_LOCAL_APPDATA` directory. This is identical to the non-roaming
+    app data dir (the default returned by `user_data_dir` above). Apps typically
+    put cache data somewhere *under* the given dir here. Some examples:
+        ...\Mozilla\Firefox\Profiles\<ProfileName>\Cache
+        ...\Acme\SuperApp\Cache\1.0
+    OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value.
+    This can be disabled with the `opinion=False` option.
+    """
+    if system == "win32":
+        if appauthor is None:
+            appauthor = appname
+        path = os.path.normpath(_get_win_folder("CSIDL_LOCAL_APPDATA"))
+        if appname:
+            if appauthor is not False:
+                path = os.path.join(path, appauthor, appname)
+            else:
+                path = os.path.join(path, appname)
+            if opinion:
+                path = os.path.join(path, "Cache")
+    elif system == 'darwin':
+        path = os.path.expanduser('~/Library/Caches')
+        if appname:
+            path = os.path.join(path, appname)
+    else:
+        path = os.getenv('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def user_state_dir(appname=None, appauthor=None, version=None, roaming=False):
+    r"""Return full path to the user-specific state dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "roaming" (boolean, default False) can be set True to use the Windows
+            roaming appdata directory. That means that for users on a Windows
+            network setup for roaming profiles, this user data will be
+            sync'd on login. See
+            <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
+            for a discussion of issues.
+
+    Typical user state directories are:
+        Mac OS X:  same as user_data_dir
+        Unix:      ~/.local/state/<AppName>   # or in $XDG_STATE_HOME, if defined
+        Win *:     same as user_data_dir
+
+    For Unix, we follow this Debian proposal <https://wiki.debian.org/XDGBaseDirectorySpecification#state>
+    to extend the XDG spec and support $XDG_STATE_HOME.
+
+    That means, by default "~/.local/state/<AppName>".
+    """
+    if system in ["win32", "darwin"]:
+        path = user_data_dir(appname, appauthor, None, roaming)
+    else:
+        path = os.getenv('XDG_STATE_HOME', os.path.expanduser("~/.local/state"))
+        if appname:
+            path = os.path.join(path, appname)
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+def user_log_dir(appname=None, appauthor=None, version=None, opinion=True):
+    r"""Return full path to the user-specific log dir for this application.
+
+        "appname" is the name of application.
+            If None, just the system directory is returned.
+        "appauthor" (only used on Windows) is the name of the
+            appauthor or distributing body for this application. Typically
+            it is the owning company name. This falls back to appname. You may
+            pass False to disable it.
+        "version" is an optional version path element to append to the
+            path. You might want to use this if you want multiple versions
+            of your app to be able to run independently. If used, this
+            would typically be "<major>.<minor>".
+            Only applied when appname is present.
+        "opinion" (boolean) can be False to disable the appending of
+            "Logs" to the base app data dir for Windows, and "log" to the
+            base cache dir for Unix. See discussion below.
+
+    Typical user log directories are:
+        Mac OS X:   ~/Library/Logs/<AppName>
+        Unix:       ~/.cache/<AppName>/log  # or under $XDG_CACHE_HOME if defined
+        Win XP:     C:\Documents and Settings\<username>\Local Settings\Application Data\<AppAuthor>\<AppName>\Logs
+        Vista:      C:\Users\<username>\AppData\Local\<AppAuthor>\<AppName>\Logs
+
+    On Windows the only suggestion in the MSDN docs is that local settings
+    go in the `CSIDL_LOCAL_APPDATA` directory. (Note: I'm interested in
+    examples of what some windows apps use for a logs dir.)
+
+    OPINION: This function appends "Logs" to the `CSIDL_LOCAL_APPDATA`
+    value for Windows and appends "log" to the user cache dir for Unix.
+    This can be disabled with the `opinion=False` option.
+    """
+    if system == "darwin":
+        path = os.path.join(
+            os.path.expanduser('~/Library/Logs'),
+            appname)
+    elif system == "win32":
+        path = user_data_dir(appname, appauthor, version)
+        version = False
+        if opinion:
+            path = os.path.join(path, "Logs")
+    else:
+        path = user_cache_dir(appname, appauthor, version)
+        version = False
+        if opinion:
+            path = os.path.join(path, "log")
+    if appname and version:
+        path = os.path.join(path, version)
+    return path
+
+
+class AppDirs(object):
+    """Convenience wrapper for getting application dirs."""
+    def __init__(self, appname=None, appauthor=None, version=None,
+            roaming=False, multipath=False):
+        self.appname = appname
+        self.appauthor = appauthor
+        self.version = version
+        self.roaming = roaming
+        self.multipath = multipath
+
+    @property
+    def user_data_dir(self):
+        return user_data_dir(self.appname, self.appauthor,
+                             version=self.version, roaming=self.roaming)
+
+    @property
+    def site_data_dir(self):
+        return site_data_dir(self.appname, self.appauthor,
+                             version=self.version, multipath=self.multipath)
+
+    @property
+    def user_config_dir(self):
+        return user_config_dir(self.appname, self.appauthor,
+                               version=self.version, roaming=self.roaming)
+
+    @property
+    def site_config_dir(self):
+        return site_config_dir(self.appname, self.appauthor,
+                             version=self.version, multipath=self.multipath)
+
+    @property
+    def user_cache_dir(self):
+        return user_cache_dir(self.appname, self.appauthor,
+                              version=self.version)
+
+    @property
+    def user_state_dir(self):
+        return user_state_dir(self.appname, self.appauthor,
+                              version=self.version)
+
+    @property
+    def user_log_dir(self):
+        return user_log_dir(self.appname, self.appauthor,
+                            version=self.version)
+
+
+#---- internal support stuff
+
+def _get_win_folder_from_registry(csidl_name):
+    """This is a fallback technique at best. I'm not sure if using the
+    registry for this guarantees us the correct answer for all CSIDL_*
+    names.
+    """
+    if PY3:
+      import winreg as _winreg
+    else:
+      import _winreg
+
+    shell_folder_name = {
+        "CSIDL_APPDATA": "AppData",
+        "CSIDL_COMMON_APPDATA": "Common AppData",
+        "CSIDL_LOCAL_APPDATA": "Local AppData",
+    }[csidl_name]
+
+    key = _winreg.OpenKey(
+        _winreg.HKEY_CURRENT_USER,
+        r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders"
+    )
+    dir, type = _winreg.QueryValueEx(key, shell_folder_name)
+    return dir
+
+
+def _get_win_folder_with_pywin32(csidl_name):
+    from win32com.shell import shellcon, shell
+    dir = shell.SHGetFolderPath(0, getattr(shellcon, csidl_name), 0, 0)
+    # Try to make this a unicode path because SHGetFolderPath does
+    # not return unicode strings when there is unicode data in the
+    # path.
+    try:
+        dir = unicode(dir)
+
+        # Downgrade to short path name if have highbit chars. See
+        # <http://bugs.activestate.com/show_bug.cgi?id=85099>.
+        has_high_char = False
+        for c in dir:
+            if ord(c) > 255:
+                has_high_char = True
+                break
+        if has_high_char:
+            try:
+                import win32api
+                dir = win32api.GetShortPathName(dir)
+            except ImportError:
+                pass
+    except UnicodeError:
+        pass
+    return dir
+
+
+def _get_win_folder_with_ctypes(csidl_name):
+    import ctypes
+
+    csidl_const = {
+        "CSIDL_APPDATA": 26,
+        "CSIDL_COMMON_APPDATA": 35,
+        "CSIDL_LOCAL_APPDATA": 28,
+    }[csidl_name]
+
+    buf = ctypes.create_unicode_buffer(1024)
+    ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
+
+    # Downgrade to short path name if have highbit chars. See
+    # <http://bugs.activestate.com/show_bug.cgi?id=85099>.
+    has_high_char = False
+    for c in buf:
+        if ord(c) > 255:
+            has_high_char = True
+            break
+    if has_high_char:
+        buf2 = ctypes.create_unicode_buffer(1024)
+        if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
+            buf = buf2
+
+    return buf.value
+
+def _get_win_folder_with_jna(csidl_name):
+    import array
+    from com.sun import jna
+    from com.sun.jna.platform import win32
+
+    buf_size = win32.WinDef.MAX_PATH * 2
+    buf = array.zeros('c', buf_size)
+    shell = win32.Shell32.INSTANCE
+    shell.SHGetFolderPath(None, getattr(win32.ShlObj, csidl_name), None, win32.ShlObj.SHGFP_TYPE_CURRENT, buf)
+    dir = jna.Native.toString(buf.tostring()).rstrip("\0")
+
+    # Downgrade to short path name if have highbit chars. See
+    # <http://bugs.activestate.com/show_bug.cgi?id=85099>.
+    has_high_char = False
+    for c in dir:
+        if ord(c) > 255:
+            has_high_char = True
+            break
+    if has_high_char:
+        buf = array.zeros('c', buf_size)
+        kernel = win32.Kernel32.INSTANCE
+        if kernel.GetShortPathName(dir, buf, buf_size):
+            dir = jna.Native.toString(buf.tostring()).rstrip("\0")
+
+    return dir
+
+if system == "win32":
+    try:
+        import win32com.shell
+        _get_win_folder = _get_win_folder_with_pywin32
+    except ImportError:
+        try:
+            from ctypes import windll
+            _get_win_folder = _get_win_folder_with_ctypes
+        except ImportError:
+            try:
+                import com.sun.jna
+                _get_win_folder = _get_win_folder_with_jna
+            except ImportError:
+                _get_win_folder = _get_win_folder_from_registry
+
+
+#---- self test code
+
+if __name__ == "__main__":
+    appname = "MyApp"
+    appauthor = "MyCompany"
+
+    props = ("user_data_dir",
+             "user_config_dir",
+             "user_cache_dir",
+             "user_state_dir",
+             "user_log_dir",
+             "site_data_dir",
+             "site_config_dir")
+
+    print("-- app dirs %s --" % __version__)
+
+    print("-- app dirs (with optional 'version')")
+    dirs = AppDirs(appname, appauthor, version="1.0")
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
+
+    print("\n-- app dirs (without optional 'version')")
+    dirs = AppDirs(appname, appauthor)
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
+
+    print("\n-- app dirs (without optional 'appauthor')")
+    dirs = AppDirs(appname)
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
+
+    print("\n-- app dirs (with disabled 'appauthor')")
+    dirs = AppDirs(appname, appauthor=False)
+    for prop in props:
+        print("%s: %s" % (prop, getattr(dirs, prop)))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/__init__.py
new file mode 100644
index 00000000..34e3a995
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/__init__.py
@@ -0,0 +1,36 @@
+"""Read resources contained within a package."""
+
+from ._common import (
+    as_file,
+    files,
+    Package,
+)
+
+from ._legacy import (
+    contents,
+    open_binary,
+    read_binary,
+    open_text,
+    read_text,
+    is_resource,
+    path,
+    Resource,
+)
+
+from .abc import ResourceReader
+
+
+__all__ = [
+    'Package',
+    'Resource',
+    'ResourceReader',
+    'as_file',
+    'contents',
+    'files',
+    'is_resource',
+    'open_binary',
+    'open_text',
+    'path',
+    'read_binary',
+    'read_text',
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_adapters.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_adapters.py
new file mode 100644
index 00000000..ea363d86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_adapters.py
@@ -0,0 +1,170 @@
+from contextlib import suppress
+from io import TextIOWrapper
+
+from . import abc
+
+
+class SpecLoaderAdapter:
+    """
+    Adapt a package spec to adapt the underlying loader.
+    """
+
+    def __init__(self, spec, adapter=lambda spec: spec.loader):
+        self.spec = spec
+        self.loader = adapter(spec)
+
+    def __getattr__(self, name):
+        return getattr(self.spec, name)
+
+
+class TraversableResourcesLoader:
+    """
+    Adapt a loader to provide TraversableResources.
+    """
+
+    def __init__(self, spec):
+        self.spec = spec
+
+    def get_resource_reader(self, name):
+        return CompatibilityFiles(self.spec)._native()
+
+
+def _io_wrapper(file, mode='r', *args, **kwargs):
+    if mode == 'r':
+        return TextIOWrapper(file, *args, **kwargs)
+    elif mode == 'rb':
+        return file
+    raise ValueError(
+        "Invalid mode value '{}', only 'r' and 'rb' are supported".format(mode)
+    )
+
+
+class CompatibilityFiles:
+    """
+    Adapter for an existing or non-existent resource reader
+    to provide a compatibility .files().
+    """
+
+    class SpecPath(abc.Traversable):
+        """
+        Path tied to a module spec.
+        Can be read and exposes the resource reader children.
+        """
+
+        def __init__(self, spec, reader):
+            self._spec = spec
+            self._reader = reader
+
+        def iterdir(self):
+            if not self._reader:
+                return iter(())
+            return iter(
+                CompatibilityFiles.ChildPath(self._reader, path)
+                for path in self._reader.contents()
+            )
+
+        def is_file(self):
+            return False
+
+        is_dir = is_file
+
+        def joinpath(self, other):
+            if not self._reader:
+                return CompatibilityFiles.OrphanPath(other)
+            return CompatibilityFiles.ChildPath(self._reader, other)
+
+        @property
+        def name(self):
+            return self._spec.name
+
+        def open(self, mode='r', *args, **kwargs):
+            return _io_wrapper(self._reader.open_resource(None), mode, *args, **kwargs)
+
+    class ChildPath(abc.Traversable):
+        """
+        Path tied to a resource reader child.
+        Can be read but doesn't expose any meaningful children.
+        """
+
+        def __init__(self, reader, name):
+            self._reader = reader
+            self._name = name
+
+        def iterdir(self):
+            return iter(())
+
+        def is_file(self):
+            return self._reader.is_resource(self.name)
+
+        def is_dir(self):
+            return not self.is_file()
+
+        def joinpath(self, other):
+            return CompatibilityFiles.OrphanPath(self.name, other)
+
+        @property
+        def name(self):
+            return self._name
+
+        def open(self, mode='r', *args, **kwargs):
+            return _io_wrapper(
+                self._reader.open_resource(self.name), mode, *args, **kwargs
+            )
+
+    class OrphanPath(abc.Traversable):
+        """
+        Orphan path, not tied to a module spec or resource reader.
+        Can't be read and doesn't expose any meaningful children.
+        """
+
+        def __init__(self, *path_parts):
+            if len(path_parts) < 1:
+                raise ValueError('Need at least one path part to construct a path')
+            self._path = path_parts
+
+        def iterdir(self):
+            return iter(())
+
+        def is_file(self):
+            return False
+
+        is_dir = is_file
+
+        def joinpath(self, other):
+            return CompatibilityFiles.OrphanPath(*self._path, other)
+
+        @property
+        def name(self):
+            return self._path[-1]
+
+        def open(self, mode='r', *args, **kwargs):
+            raise FileNotFoundError("Can't open orphan path")
+
+    def __init__(self, spec):
+        self.spec = spec
+
+    @property
+    def _reader(self):
+        with suppress(AttributeError):
+            return self.spec.loader.get_resource_reader(self.spec.name)
+
+    def _native(self):
+        """
+        Return the native reader if it supports files().
+        """
+        reader = self._reader
+        return reader if hasattr(reader, 'files') else self
+
+    def __getattr__(self, attr):
+        return getattr(self._reader, attr)
+
+    def files(self):
+        return CompatibilityFiles.SpecPath(self.spec, self._reader)
+
+
+def wrap_spec(package):
+    """
+    Construct a package spec with traversable compatibility
+    on the spec/loader/reader.
+    """
+    return SpecLoaderAdapter(package.__spec__, TraversableResourcesLoader)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_common.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_common.py
new file mode 100644
index 00000000..a12e2c75
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_common.py
@@ -0,0 +1,104 @@
+import os
+import pathlib
+import tempfile
+import functools
+import contextlib
+import types
+import importlib
+
+from typing import Union, Optional
+from .abc import ResourceReader, Traversable
+
+from ._compat import wrap_spec
+
+Package = Union[types.ModuleType, str]
+
+
+def files(package):
+    # type: (Package) -> Traversable
+    """
+    Get a Traversable resource from a package
+    """
+    return from_package(get_package(package))
+
+
+def get_resource_reader(package):
+    # type: (types.ModuleType) -> Optional[ResourceReader]
+    """
+    Return the package's loader if it's a ResourceReader.
+    """
+    # We can't use
+    # a issubclass() check here because apparently abc.'s __subclasscheck__()
+    # hook wants to create a weak reference to the object, but
+    # zipimport.zipimporter does not support weak references, resulting in a
+    # TypeError.  That seems terrible.
+    spec = package.__spec__
+    reader = getattr(spec.loader, 'get_resource_reader', None)  # type: ignore
+    if reader is None:
+        return None
+    return reader(spec.name)  # type: ignore
+
+
+def resolve(cand):
+    # type: (Package) -> types.ModuleType
+    return cand if isinstance(cand, types.ModuleType) else importlib.import_module(cand)
+
+
+def get_package(package):
+    # type: (Package) -> types.ModuleType
+    """Take a package name or module object and return the module.
+
+    Raise an exception if the resolved module is not a package.
+    """
+    resolved = resolve(package)
+    if wrap_spec(resolved).submodule_search_locations is None:
+        raise TypeError(f'{package!r} is not a package')
+    return resolved
+
+
+def from_package(package):
+    """
+    Return a Traversable object for the given package.
+
+    """
+    spec = wrap_spec(package)
+    reader = spec.loader.get_resource_reader(spec.name)
+    return reader.files()
+
+
+@contextlib.contextmanager
+def _tempfile(reader, suffix=''):
+    # Not using tempfile.NamedTemporaryFile as it leads to deeper 'try'
+    # blocks due to the need to close the temporary file to work on Windows
+    # properly.
+    fd, raw_path = tempfile.mkstemp(suffix=suffix)
+    try:
+        try:
+            os.write(fd, reader())
+        finally:
+            os.close(fd)
+        del reader
+        yield pathlib.Path(raw_path)
+    finally:
+        try:
+            os.remove(raw_path)
+        except FileNotFoundError:
+            pass
+
+
+@functools.singledispatch
+def as_file(path):
+    """
+    Given a Traversable object, return that object as a
+    path on the local file system in a context manager.
+    """
+    return _tempfile(path.read_bytes, suffix=path.name)
+
+
+@as_file.register(pathlib.Path)
+@contextlib.contextmanager
+def _(path):
+    """
+    Degenerate behavior for pathlib.Path objects.
+    """
+    yield path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_compat.py
new file mode 100644
index 00000000..cb9fc820
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_compat.py
@@ -0,0 +1,98 @@
+# flake8: noqa
+
+import abc
+import sys
+import pathlib
+from contextlib import suppress
+
+if sys.version_info >= (3, 10):
+    from zipfile import Path as ZipPath  # type: ignore
+else:
+    from ..zipp import Path as ZipPath  # type: ignore
+
+
+try:
+    from typing import runtime_checkable  # type: ignore
+except ImportError:
+
+    def runtime_checkable(cls):  # type: ignore
+        return cls
+
+
+try:
+    from typing import Protocol  # type: ignore
+except ImportError:
+    Protocol = abc.ABC  # type: ignore
+
+
+class TraversableResourcesLoader:
+    """
+    Adapt loaders to provide TraversableResources and other
+    compatibility.
+
+    Used primarily for Python 3.9 and earlier where the native
+    loaders do not yet implement TraversableResources.
+    """
+
+    def __init__(self, spec):
+        self.spec = spec
+
+    @property
+    def path(self):
+        return self.spec.origin
+
+    def get_resource_reader(self, name):
+        from . import readers, _adapters
+
+        def _zip_reader(spec):
+            with suppress(AttributeError):
+                return readers.ZipReader(spec.loader, spec.name)
+
+        def _namespace_reader(spec):
+            with suppress(AttributeError, ValueError):
+                return readers.NamespaceReader(spec.submodule_search_locations)
+
+        def _available_reader(spec):
+            with suppress(AttributeError):
+                return spec.loader.get_resource_reader(spec.name)
+
+        def _native_reader(spec):
+            reader = _available_reader(spec)
+            return reader if hasattr(reader, 'files') else None
+
+        def _file_reader(spec):
+            try:
+                path = pathlib.Path(self.path)
+            except TypeError:
+                return None
+            if path.exists():
+                return readers.FileReader(self)
+
+        return (
+            # native reader if it supplies 'files'
+            _native_reader(self.spec)
+            or
+            # local ZipReader if a zip module
+            _zip_reader(self.spec)
+            or
+            # local NamespaceReader if a namespace module
+            _namespace_reader(self.spec)
+            or
+            # local FileReader
+            _file_reader(self.spec)
+            # fallback - adapt the spec ResourceReader to TraversableReader
+            or _adapters.CompatibilityFiles(self.spec)
+        )
+
+
+def wrap_spec(package):
+    """
+    Construct a package spec with traversable compatibility
+    on the spec/loader/reader.
+
+    Supersedes _adapters.wrap_spec to use TraversableResourcesLoader
+    from above for older Python compatibility (<3.10).
+    """
+    from . import _adapters
+
+    return _adapters.SpecLoaderAdapter(package.__spec__, TraversableResourcesLoader)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_itertools.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_itertools.py
new file mode 100644
index 00000000..cce05582
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_itertools.py
@@ -0,0 +1,35 @@
+from itertools import filterfalse
+
+from typing import (
+    Callable,
+    Iterable,
+    Iterator,
+    Optional,
+    Set,
+    TypeVar,
+    Union,
+)
+
+# Type and type variable definitions
+_T = TypeVar('_T')
+_U = TypeVar('_U')
+
+
+def unique_everseen(
+    iterable: Iterable[_T], key: Optional[Callable[[_T], _U]] = None
+) -> Iterator[_T]:
+    "List unique elements, preserving order. Remember all elements ever seen."
+    # unique_everseen('AAAABBBCCDAABBB') --> A B C D
+    # unique_everseen('ABBCcAD', str.lower) --> A B C D
+    seen: Set[Union[_T, _U]] = set()
+    seen_add = seen.add
+    if key is None:
+        for element in filterfalse(seen.__contains__, iterable):
+            seen_add(element)
+            yield element
+    else:
+        for element in iterable:
+            k = key(element)
+            if k not in seen:
+                seen_add(k)
+                yield element
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_legacy.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_legacy.py
new file mode 100644
index 00000000..1d5d3f1f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/_legacy.py
@@ -0,0 +1,121 @@
+import functools
+import os
+import pathlib
+import types
+import warnings
+
+from typing import Union, Iterable, ContextManager, BinaryIO, TextIO, Any
+
+from . import _common
+
+Package = Union[types.ModuleType, str]
+Resource = str
+
+
+def deprecated(func):
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        warnings.warn(
+            f"{func.__name__} is deprecated. Use files() instead. "
+            "Refer to https://importlib-resources.readthedocs.io"
+            "/en/latest/using.html#migrating-from-legacy for migration advice.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return func(*args, **kwargs)
+
+    return wrapper
+
+
+def normalize_path(path):
+    # type: (Any) -> str
+    """Normalize a path by ensuring it is a string.
+
+    If the resulting string contains path separators, an exception is raised.
+    """
+    str_path = str(path)
+    parent, file_name = os.path.split(str_path)
+    if parent:
+        raise ValueError(f'{path!r} must be only a file name')
+    return file_name
+
+
+@deprecated
+def open_binary(package: Package, resource: Resource) -> BinaryIO:
+    """Return a file-like object opened for binary reading of the resource."""
+    return (_common.files(package) / normalize_path(resource)).open('rb')
+
+
+@deprecated
+def read_binary(package: Package, resource: Resource) -> bytes:
+    """Return the binary contents of the resource."""
+    return (_common.files(package) / normalize_path(resource)).read_bytes()
+
+
+@deprecated
+def open_text(
+    package: Package,
+    resource: Resource,
+    encoding: str = 'utf-8',
+    errors: str = 'strict',
+) -> TextIO:
+    """Return a file-like object opened for text reading of the resource."""
+    return (_common.files(package) / normalize_path(resource)).open(
+        'r', encoding=encoding, errors=errors
+    )
+
+
+@deprecated
+def read_text(
+    package: Package,
+    resource: Resource,
+    encoding: str = 'utf-8',
+    errors: str = 'strict',
+) -> str:
+    """Return the decoded string of the resource.
+
+    The decoding-related arguments have the same semantics as those of
+    bytes.decode().
+    """
+    with open_text(package, resource, encoding, errors) as fp:
+        return fp.read()
+
+
+@deprecated
+def contents(package: Package) -> Iterable[str]:
+    """Return an iterable of entries in `package`.
+
+    Note that not all entries are resources.  Specifically, directories are
+    not considered resources.  Use `is_resource()` on each entry returned here
+    to check if it is a resource or not.
+    """
+    return [path.name for path in _common.files(package).iterdir()]
+
+
+@deprecated
+def is_resource(package: Package, name: str) -> bool:
+    """True if `name` is a resource inside `package`.
+
+    Directories are *not* resources.
+    """
+    resource = normalize_path(name)
+    return any(
+        traversable.name == resource and traversable.is_file()
+        for traversable in _common.files(package).iterdir()
+    )
+
+
+@deprecated
+def path(
+    package: Package,
+    resource: Resource,
+) -> ContextManager[pathlib.Path]:
+    """A context manager providing a file path object to the resource.
+
+    If the resource does not already exist on its own on the file system,
+    a temporary file will be created. If the file was created, the file
+    will be deleted upon exiting the context manager (no exception is
+    raised if the file was deleted prior to the context manager
+    exiting).
+    """
+    return _common.as_file(_common.files(package) / normalize_path(resource))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/abc.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/abc.py
new file mode 100644
index 00000000..d39dc1ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/abc.py
@@ -0,0 +1,137 @@
+import abc
+from typing import BinaryIO, Iterable, Text
+
+from ._compat import runtime_checkable, Protocol
+
+
+class ResourceReader(metaclass=abc.ABCMeta):
+    """Abstract base class for loaders to provide resource reading support."""
+
+    @abc.abstractmethod
+    def open_resource(self, resource: Text) -> BinaryIO:
+        """Return an opened, file-like object for binary reading.
+
+        The 'resource' argument is expected to represent only a file name.
+        If the resource cannot be found, FileNotFoundError is raised.
+        """
+        # This deliberately raises FileNotFoundError instead of
+        # NotImplementedError so that if this method is accidentally called,
+        # it'll still do the right thing.
+        raise FileNotFoundError
+
+    @abc.abstractmethod
+    def resource_path(self, resource: Text) -> Text:
+        """Return the file system path to the specified resource.
+
+        The 'resource' argument is expected to represent only a file name.
+        If the resource does not exist on the file system, raise
+        FileNotFoundError.
+        """
+        # This deliberately raises FileNotFoundError instead of
+        # NotImplementedError so that if this method is accidentally called,
+        # it'll still do the right thing.
+        raise FileNotFoundError
+
+    @abc.abstractmethod
+    def is_resource(self, path: Text) -> bool:
+        """Return True if the named 'path' is a resource.
+
+        Files are resources, directories are not.
+        """
+        raise FileNotFoundError
+
+    @abc.abstractmethod
+    def contents(self) -> Iterable[str]:
+        """Return an iterable of entries in `package`."""
+        raise FileNotFoundError
+
+
+@runtime_checkable
+class Traversable(Protocol):
+    """
+    An object with a subset of pathlib.Path methods suitable for
+    traversing directories and opening files.
+    """
+
+    @abc.abstractmethod
+    def iterdir(self):
+        """
+        Yield Traversable objects in self
+        """
+
+    def read_bytes(self):
+        """
+        Read contents of self as bytes
+        """
+        with self.open('rb') as strm:
+            return strm.read()
+
+    def read_text(self, encoding=None):
+        """
+        Read contents of self as text
+        """
+        with self.open(encoding=encoding) as strm:
+            return strm.read()
+
+    @abc.abstractmethod
+    def is_dir(self) -> bool:
+        """
+        Return True if self is a directory
+        """
+
+    @abc.abstractmethod
+    def is_file(self) -> bool:
+        """
+        Return True if self is a file
+        """
+
+    @abc.abstractmethod
+    def joinpath(self, child):
+        """
+        Return Traversable child in self
+        """
+
+    def __truediv__(self, child):
+        """
+        Return Traversable child in self
+        """
+        return self.joinpath(child)
+
+    @abc.abstractmethod
+    def open(self, mode='r', *args, **kwargs):
+        """
+        mode may be 'r' or 'rb' to open as text or binary. Return a handle
+        suitable for reading (same as pathlib.Path.open).
+
+        When opening as text, accepts encoding parameters such as those
+        accepted by io.TextIOWrapper.
+        """
+
+    @abc.abstractproperty
+    def name(self) -> str:
+        """
+        The base name of this object without any parent references.
+        """
+
+
+class TraversableResources(ResourceReader):
+    """
+    The required interface for providing traversable
+    resources.
+    """
+
+    @abc.abstractmethod
+    def files(self):
+        """Return a Traversable object for the loaded package."""
+
+    def open_resource(self, resource):
+        return self.files().joinpath(resource).open('rb')
+
+    def resource_path(self, resource):
+        raise FileNotFoundError(resource)
+
+    def is_resource(self, path):
+        return self.files().joinpath(path).is_file()
+
+    def contents(self):
+        return (item.name for item in self.files().iterdir())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/readers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/readers.py
new file mode 100644
index 00000000..f1190ca4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/readers.py
@@ -0,0 +1,122 @@
+import collections
+import pathlib
+import operator
+
+from . import abc
+
+from ._itertools import unique_everseen
+from ._compat import ZipPath
+
+
+def remove_duplicates(items):
+    return iter(collections.OrderedDict.fromkeys(items))
+
+
+class FileReader(abc.TraversableResources):
+    def __init__(self, loader):
+        self.path = pathlib.Path(loader.path).parent
+
+    def resource_path(self, resource):
+        """
+        Return the file system path to prevent
+        `resources.path()` from creating a temporary
+        copy.
+        """
+        return str(self.path.joinpath(resource))
+
+    def files(self):
+        return self.path
+
+
+class ZipReader(abc.TraversableResources):
+    def __init__(self, loader, module):
+        _, _, name = module.rpartition('.')
+        self.prefix = loader.prefix.replace('\\', '/') + name + '/'
+        self.archive = loader.archive
+
+    def open_resource(self, resource):
+        try:
+            return super().open_resource(resource)
+        except KeyError as exc:
+            raise FileNotFoundError(exc.args[0])
+
+    def is_resource(self, path):
+        # workaround for `zipfile.Path.is_file` returning true
+        # for non-existent paths.
+        target = self.files().joinpath(path)
+        return target.is_file() and target.exists()
+
+    def files(self):
+        return ZipPath(self.archive, self.prefix)
+
+
+class MultiplexedPath(abc.Traversable):
+    """
+    Given a series of Traversable objects, implement a merged
+    version of the interface across all objects. Useful for
+    namespace packages which may be multihomed at a single
+    name.
+    """
+
+    def __init__(self, *paths):
+        self._paths = list(map(pathlib.Path, remove_duplicates(paths)))
+        if not self._paths:
+            message = 'MultiplexedPath must contain at least one path'
+            raise FileNotFoundError(message)
+        if not all(path.is_dir() for path in self._paths):
+            raise NotADirectoryError('MultiplexedPath only supports directories')
+
+    def iterdir(self):
+        files = (file for path in self._paths for file in path.iterdir())
+        return unique_everseen(files, key=operator.attrgetter('name'))
+
+    def read_bytes(self):
+        raise FileNotFoundError(f'{self} is not a file')
+
+    def read_text(self, *args, **kwargs):
+        raise FileNotFoundError(f'{self} is not a file')
+
+    def is_dir(self):
+        return True
+
+    def is_file(self):
+        return False
+
+    def joinpath(self, child):
+        # first try to find child in current paths
+        for file in self.iterdir():
+            if file.name == child:
+                return file
+        # if it does not exist, construct it with the first path
+        return self._paths[0] / child
+
+    __truediv__ = joinpath
+
+    def open(self, *args, **kwargs):
+        raise FileNotFoundError(f'{self} is not a file')
+
+    @property
+    def name(self):
+        return self._paths[0].name
+
+    def __repr__(self):
+        paths = ', '.join(f"'{path}'" for path in self._paths)
+        return f'MultiplexedPath({paths})'
+
+
+class NamespaceReader(abc.TraversableResources):
+    def __init__(self, namespace_path):
+        if 'NamespacePath' not in str(namespace_path):
+            raise ValueError('Invalid path')
+        self.path = MultiplexedPath(*list(namespace_path))
+
+    def resource_path(self, resource):
+        """
+        Return the file system path to prevent
+        `resources.path()` from creating a temporary
+        copy.
+        """
+        return str(self.path.joinpath(resource))
+
+    def files(self):
+        return self.path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/simple.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/simple.py
new file mode 100644
index 00000000..da073cbd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/importlib_resources/simple.py
@@ -0,0 +1,116 @@
+"""
+Interface adapters for low-level readers.
+"""
+
+import abc
+import io
+import itertools
+from typing import BinaryIO, List
+
+from .abc import Traversable, TraversableResources
+
+
+class SimpleReader(abc.ABC):
+    """
+    The minimum, low-level interface required from a resource
+    provider.
+    """
+
+    @abc.abstractproperty
+    def package(self):
+        # type: () -> str
+        """
+        The name of the package for which this reader loads resources.
+        """
+
+    @abc.abstractmethod
+    def children(self):
+        # type: () -> List['SimpleReader']
+        """
+        Obtain an iterable of SimpleReader for available
+        child containers (e.g. directories).
+        """
+
+    @abc.abstractmethod
+    def resources(self):
+        # type: () -> List[str]
+        """
+        Obtain available named resources for this virtual package.
+        """
+
+    @abc.abstractmethod
+    def open_binary(self, resource):
+        # type: (str) -> BinaryIO
+        """
+        Obtain a File-like for a named resource.
+        """
+
+    @property
+    def name(self):
+        return self.package.split('.')[-1]
+
+
+class ResourceHandle(Traversable):
+    """
+    Handle to a named resource in a ResourceReader.
+    """
+
+    def __init__(self, parent, name):
+        # type: (ResourceContainer, str) -> None
+        self.parent = parent
+        self.name = name  # type: ignore
+
+    def is_file(self):
+        return True
+
+    def is_dir(self):
+        return False
+
+    def open(self, mode='r', *args, **kwargs):
+        stream = self.parent.reader.open_binary(self.name)
+        if 'b' not in mode:
+            stream = io.TextIOWrapper(*args, **kwargs)
+        return stream
+
+    def joinpath(self, name):
+        raise RuntimeError("Cannot traverse into a resource")
+
+
+class ResourceContainer(Traversable):
+    """
+    Traversable container for a package's resources via its reader.
+    """
+
+    def __init__(self, reader):
+        # type: (SimpleReader) -> None
+        self.reader = reader
+
+    def is_dir(self):
+        return True
+
+    def is_file(self):
+        return False
+
+    def iterdir(self):
+        files = (ResourceHandle(self, name) for name in self.reader.resources)
+        dirs = map(ResourceContainer, self.reader.children())
+        return itertools.chain(files, dirs)
+
+    def open(self, *args, **kwargs):
+        raise IsADirectoryError()
+
+    def joinpath(self, name):
+        return next(
+            traversable for traversable in self.iterdir() if traversable.name == name
+        )
+
+
+class TraversableReader(TraversableResources, SimpleReader):
+    """
+    A TraversableResources based on SimpleReader. Resource providers
+    may derive from this class to provide the TraversableResources
+    interface by supplying the SimpleReader interface.
+    """
+
+    def files(self):
+        return ResourceContainer(self)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/__pycache__/functools.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/__pycache__/functools.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/context.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/context.py
new file mode 100644
index 00000000..87a4e3dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/context.py
@@ -0,0 +1,213 @@
+import os
+import subprocess
+import contextlib
+import functools
+import tempfile
+import shutil
+import operator
+
+
+@contextlib.contextmanager
+def pushd(dir):
+    orig = os.getcwd()
+    os.chdir(dir)
+    try:
+        yield dir
+    finally:
+        os.chdir(orig)
+
+
+@contextlib.contextmanager
+def tarball_context(url, target_dir=None, runner=None, pushd=pushd):
+    """
+    Get a tarball, extract it, change to that directory, yield, then
+    clean up.
+    `runner` is the function to invoke commands.
+    `pushd` is a context manager for changing the directory.
+    """
+    if target_dir is None:
+        target_dir = os.path.basename(url).replace('.tar.gz', '').replace('.tgz', '')
+    if runner is None:
+        runner = functools.partial(subprocess.check_call, shell=True)
+    # In the tar command, use --strip-components=1 to strip the first path and
+    #  then
+    #  use -C to cause the files to be extracted to {target_dir}. This ensures
+    #  that we always know where the files were extracted.
+    runner('mkdir {target_dir}'.format(**vars()))
+    try:
+        getter = 'wget {url} -O -'
+        extract = 'tar x{compression} --strip-components=1 -C {target_dir}'
+        cmd = ' | '.join((getter, extract))
+        runner(cmd.format(compression=infer_compression(url), **vars()))
+        with pushd(target_dir):
+            yield target_dir
+    finally:
+        runner('rm -Rf {target_dir}'.format(**vars()))
+
+
+def infer_compression(url):
+    """
+    Given a URL or filename, infer the compression code for tar.
+    """
+    # cheat and just assume it's the last two characters
+    compression_indicator = url[-2:]
+    mapping = dict(gz='z', bz='j', xz='J')
+    # Assume 'z' (gzip) if no match
+    return mapping.get(compression_indicator, 'z')
+
+
+@contextlib.contextmanager
+def temp_dir(remover=shutil.rmtree):
+    """
+    Create a temporary directory context. Pass a custom remover
+    to override the removal behavior.
+    """
+    temp_dir = tempfile.mkdtemp()
+    try:
+        yield temp_dir
+    finally:
+        remover(temp_dir)
+
+
+@contextlib.contextmanager
+def repo_context(url, branch=None, quiet=True, dest_ctx=temp_dir):
+    """
+    Check out the repo indicated by url.
+
+    If dest_ctx is supplied, it should be a context manager
+    to yield the target directory for the check out.
+    """
+    exe = 'git' if 'git' in url else 'hg'
+    with dest_ctx() as repo_dir:
+        cmd = [exe, 'clone', url, repo_dir]
+        if branch:
+            cmd.extend(['--branch', branch])
+        devnull = open(os.path.devnull, 'w')
+        stdout = devnull if quiet else None
+        subprocess.check_call(cmd, stdout=stdout)
+        yield repo_dir
+
+
+@contextlib.contextmanager
+def null():
+    yield
+
+
+class ExceptionTrap:
+    """
+    A context manager that will catch certain exceptions and provide an
+    indication they occurred.
+
+    >>> with ExceptionTrap() as trap:
+    ...     raise Exception()
+    >>> bool(trap)
+    True
+
+    >>> with ExceptionTrap() as trap:
+    ...     pass
+    >>> bool(trap)
+    False
+
+    >>> with ExceptionTrap(ValueError) as trap:
+    ...     raise ValueError("1 + 1 is not 3")
+    >>> bool(trap)
+    True
+
+    >>> with ExceptionTrap(ValueError) as trap:
+    ...     raise Exception()
+    Traceback (most recent call last):
+    ...
+    Exception
+
+    >>> bool(trap)
+    False
+    """
+
+    exc_info = None, None, None
+
+    def __init__(self, exceptions=(Exception,)):
+        self.exceptions = exceptions
+
+    def __enter__(self):
+        return self
+
+    @property
+    def type(self):
+        return self.exc_info[0]
+
+    @property
+    def value(self):
+        return self.exc_info[1]
+
+    @property
+    def tb(self):
+        return self.exc_info[2]
+
+    def __exit__(self, *exc_info):
+        type = exc_info[0]
+        matches = type and issubclass(type, self.exceptions)
+        if matches:
+            self.exc_info = exc_info
+        return matches
+
+    def __bool__(self):
+        return bool(self.type)
+
+    def raises(self, func, *, _test=bool):
+        """
+        Wrap func and replace the result with the truth
+        value of the trap (True if an exception occurred).
+
+        First, give the decorator an alias to support Python 3.8
+        Syntax.
+
+        >>> raises = ExceptionTrap(ValueError).raises
+
+        Now decorate a function that always fails.
+
+        >>> @raises
+        ... def fail():
+        ...     raise ValueError('failed')
+        >>> fail()
+        True
+        """
+
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            with ExceptionTrap(self.exceptions) as trap:
+                func(*args, **kwargs)
+            return _test(trap)
+
+        return wrapper
+
+    def passes(self, func):
+        """
+        Wrap func and replace the result with the truth
+        value of the trap (True if no exception).
+
+        First, give the decorator an alias to support Python 3.8
+        Syntax.
+
+        >>> passes = ExceptionTrap(ValueError).passes
+
+        Now decorate a function that always fails.
+
+        >>> @passes
+        ... def fail():
+        ...     raise ValueError('failed')
+
+        >>> fail()
+        False
+        """
+        return self.raises(func, _test=operator.not_)
+
+
+class suppress(contextlib.suppress, contextlib.ContextDecorator):
+    """
+    A version of contextlib.suppress with decorator support.
+
+    >>> @suppress(KeyError)
+    ... def key_error():
+    ...     {}['']
+    >>> key_error()
+    """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/functools.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/functools.py
new file mode 100644
index 00000000..a3fea3a1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/functools.py
@@ -0,0 +1,525 @@
+import functools
+import time
+import inspect
+import collections
+import types
+import itertools
+
+import pkg_resources.extern.more_itertools
+
+from typing import Callable, TypeVar
+
+
+CallableT = TypeVar("CallableT", bound=Callable[..., object])
+
+
+def compose(*funcs):
+    """
+    Compose any number of unary functions into a single unary function.
+
+    >>> import textwrap
+    >>> expected = str.strip(textwrap.dedent(compose.__doc__))
+    >>> strip_and_dedent = compose(str.strip, textwrap.dedent)
+    >>> strip_and_dedent(compose.__doc__) == expected
+    True
+
+    Compose also allows the innermost function to take arbitrary arguments.
+
+    >>> round_three = lambda x: round(x, ndigits=3)
+    >>> f = compose(round_three, int.__truediv__)
+    >>> [f(3*x, x+1) for x in range(1,10)]
+    [1.5, 2.0, 2.25, 2.4, 2.5, 2.571, 2.625, 2.667, 2.7]
+    """
+
+    def compose_two(f1, f2):
+        return lambda *args, **kwargs: f1(f2(*args, **kwargs))
+
+    return functools.reduce(compose_two, funcs)
+
+
+def method_caller(method_name, *args, **kwargs):
+    """
+    Return a function that will call a named method on the
+    target object with optional positional and keyword
+    arguments.
+
+    >>> lower = method_caller('lower')
+    >>> lower('MyString')
+    'mystring'
+    """
+
+    def call_method(target):
+        func = getattr(target, method_name)
+        return func(*args, **kwargs)
+
+    return call_method
+
+
+def once(func):
+    """
+    Decorate func so it's only ever called the first time.
+
+    This decorator can ensure that an expensive or non-idempotent function
+    will not be expensive on subsequent calls and is idempotent.
+
+    >>> add_three = once(lambda a: a+3)
+    >>> add_three(3)
+    6
+    >>> add_three(9)
+    6
+    >>> add_three('12')
+    6
+
+    To reset the stored value, simply clear the property ``saved_result``.
+
+    >>> del add_three.saved_result
+    >>> add_three(9)
+    12
+    >>> add_three(8)
+    12
+
+    Or invoke 'reset()' on it.
+
+    >>> add_three.reset()
+    >>> add_three(-3)
+    0
+    >>> add_three(0)
+    0
+    """
+
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        if not hasattr(wrapper, 'saved_result'):
+            wrapper.saved_result = func(*args, **kwargs)
+        return wrapper.saved_result
+
+    wrapper.reset = lambda: vars(wrapper).__delitem__('saved_result')
+    return wrapper
+
+
+def method_cache(
+    method: CallableT,
+    cache_wrapper: Callable[
+        [CallableT], CallableT
+    ] = functools.lru_cache(),  # type: ignore[assignment]
+) -> CallableT:
+    """
+    Wrap lru_cache to support storing the cache data in the object instances.
+
+    Abstracts the common paradigm where the method explicitly saves an
+    underscore-prefixed protected property on first call and returns that
+    subsequently.
+
+    >>> class MyClass:
+    ...     calls = 0
+    ...
+    ...     @method_cache
+    ...     def method(self, value):
+    ...         self.calls += 1
+    ...         return value
+
+    >>> a = MyClass()
+    >>> a.method(3)
+    3
+    >>> for x in range(75):
+    ...     res = a.method(x)
+    >>> a.calls
+    75
+
+    Note that the apparent behavior will be exactly like that of lru_cache
+    except that the cache is stored on each instance, so values in one
+    instance will not flush values from another, and when an instance is
+    deleted, so are the cached values for that instance.
+
+    >>> b = MyClass()
+    >>> for x in range(35):
+    ...     res = b.method(x)
+    >>> b.calls
+    35
+    >>> a.method(0)
+    0
+    >>> a.calls
+    75
+
+    Note that if method had been decorated with ``functools.lru_cache()``,
+    a.calls would have been 76 (due to the cached value of 0 having been
+    flushed by the 'b' instance).
+
+    Clear the cache with ``.cache_clear()``
+
+    >>> a.method.cache_clear()
+
+    Same for a method that hasn't yet been called.
+
+    >>> c = MyClass()
+    >>> c.method.cache_clear()
+
+    Another cache wrapper may be supplied:
+
+    >>> cache = functools.lru_cache(maxsize=2)
+    >>> MyClass.method2 = method_cache(lambda self: 3, cache_wrapper=cache)
+    >>> a = MyClass()
+    >>> a.method2()
+    3
+
+    Caution - do not subsequently wrap the method with another decorator, such
+    as ``@property``, which changes the semantics of the function.
+
+    See also
+    http://code.activestate.com/recipes/577452-a-memoize-decorator-for-instance-methods/
+    for another implementation and additional justification.
+    """
+
+    def wrapper(self: object, *args: object, **kwargs: object) -> object:
+        # it's the first call, replace the method with a cached, bound method
+        bound_method: CallableT = types.MethodType(  # type: ignore[assignment]
+            method, self
+        )
+        cached_method = cache_wrapper(bound_method)
+        setattr(self, method.__name__, cached_method)
+        return cached_method(*args, **kwargs)
+
+    # Support cache clear even before cache has been created.
+    wrapper.cache_clear = lambda: None  # type: ignore[attr-defined]
+
+    return (  # type: ignore[return-value]
+        _special_method_cache(method, cache_wrapper) or wrapper
+    )
+
+
+def _special_method_cache(method, cache_wrapper):
+    """
+    Because Python treats special methods differently, it's not
+    possible to use instance attributes to implement the cached
+    methods.
+
+    Instead, install the wrapper method under a different name
+    and return a simple proxy to that wrapper.
+
+    https://github.com/jaraco/jaraco.functools/issues/5
+    """
+    name = method.__name__
+    special_names = '__getattr__', '__getitem__'
+    if name not in special_names:
+        return
+
+    wrapper_name = '__cached' + name
+
+    def proxy(self, *args, **kwargs):
+        if wrapper_name not in vars(self):
+            bound = types.MethodType(method, self)
+            cache = cache_wrapper(bound)
+            setattr(self, wrapper_name, cache)
+        else:
+            cache = getattr(self, wrapper_name)
+        return cache(*args, **kwargs)
+
+    return proxy
+
+
+def apply(transform):
+    """
+    Decorate a function with a transform function that is
+    invoked on results returned from the decorated function.
+
+    >>> @apply(reversed)
+    ... def get_numbers(start):
+    ...     "doc for get_numbers"
+    ...     return range(start, start+3)
+    >>> list(get_numbers(4))
+    [6, 5, 4]
+    >>> get_numbers.__doc__
+    'doc for get_numbers'
+    """
+
+    def wrap(func):
+        return functools.wraps(func)(compose(transform, func))
+
+    return wrap
+
+
+def result_invoke(action):
+    r"""
+    Decorate a function with an action function that is
+    invoked on the results returned from the decorated
+    function (for its side-effect), then return the original
+    result.
+
+    >>> @result_invoke(print)
+    ... def add_two(a, b):
+    ...     return a + b
+    >>> x = add_two(2, 3)
+    5
+    >>> x
+    5
+    """
+
+    def wrap(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            result = func(*args, **kwargs)
+            action(result)
+            return result
+
+        return wrapper
+
+    return wrap
+
+
+def call_aside(f, *args, **kwargs):
+    """
+    Call a function for its side effect after initialization.
+
+    >>> @call_aside
+    ... def func(): print("called")
+    called
+    >>> func()
+    called
+
+    Use functools.partial to pass parameters to the initial call
+
+    >>> @functools.partial(call_aside, name='bingo')
+    ... def func(name): print("called with", name)
+    called with bingo
+    """
+    f(*args, **kwargs)
+    return f
+
+
+class Throttler:
+    """
+    Rate-limit a function (or other callable)
+    """
+
+    def __init__(self, func, max_rate=float('Inf')):
+        if isinstance(func, Throttler):
+            func = func.func
+        self.func = func
+        self.max_rate = max_rate
+        self.reset()
+
+    def reset(self):
+        self.last_called = 0
+
+    def __call__(self, *args, **kwargs):
+        self._wait()
+        return self.func(*args, **kwargs)
+
+    def _wait(self):
+        "ensure at least 1/max_rate seconds from last call"
+        elapsed = time.time() - self.last_called
+        must_wait = 1 / self.max_rate - elapsed
+        time.sleep(max(0, must_wait))
+        self.last_called = time.time()
+
+    def __get__(self, obj, type=None):
+        return first_invoke(self._wait, functools.partial(self.func, obj))
+
+
+def first_invoke(func1, func2):
+    """
+    Return a function that when invoked will invoke func1 without
+    any parameters (for its side-effect) and then invoke func2
+    with whatever parameters were passed, returning its result.
+    """
+
+    def wrapper(*args, **kwargs):
+        func1()
+        return func2(*args, **kwargs)
+
+    return wrapper
+
+
+def retry_call(func, cleanup=lambda: None, retries=0, trap=()):
+    """
+    Given a callable func, trap the indicated exceptions
+    for up to 'retries' times, invoking cleanup on the
+    exception. On the final attempt, allow any exceptions
+    to propagate.
+    """
+    attempts = itertools.count() if retries == float('inf') else range(retries)
+    for attempt in attempts:
+        try:
+            return func()
+        except trap:
+            cleanup()
+
+    return func()
+
+
+def retry(*r_args, **r_kwargs):
+    """
+    Decorator wrapper for retry_call. Accepts arguments to retry_call
+    except func and then returns a decorator for the decorated function.
+
+    Ex:
+
+    >>> @retry(retries=3)
+    ... def my_func(a, b):
+    ...     "this is my funk"
+    ...     print(a, b)
+    >>> my_func.__doc__
+    'this is my funk'
+    """
+
+    def decorate(func):
+        @functools.wraps(func)
+        def wrapper(*f_args, **f_kwargs):
+            bound = functools.partial(func, *f_args, **f_kwargs)
+            return retry_call(bound, *r_args, **r_kwargs)
+
+        return wrapper
+
+    return decorate
+
+
+def print_yielded(func):
+    """
+    Convert a generator into a function that prints all yielded elements
+
+    >>> @print_yielded
+    ... def x():
+    ...     yield 3; yield None
+    >>> x()
+    3
+    None
+    """
+    print_all = functools.partial(map, print)
+    print_results = compose(more_itertools.consume, print_all, func)
+    return functools.wraps(func)(print_results)
+
+
+def pass_none(func):
+    """
+    Wrap func so it's not called if its first param is None
+
+    >>> print_text = pass_none(print)
+    >>> print_text('text')
+    text
+    >>> print_text(None)
+    """
+
+    @functools.wraps(func)
+    def wrapper(param, *args, **kwargs):
+        if param is not None:
+            return func(param, *args, **kwargs)
+
+    return wrapper
+
+
+def assign_params(func, namespace):
+    """
+    Assign parameters from namespace where func solicits.
+
+    >>> def func(x, y=3):
+    ...     print(x, y)
+    >>> assigned = assign_params(func, dict(x=2, z=4))
+    >>> assigned()
+    2 3
+
+    The usual errors are raised if a function doesn't receive
+    its required parameters:
+
+    >>> assigned = assign_params(func, dict(y=3, z=4))
+    >>> assigned()
+    Traceback (most recent call last):
+    TypeError: func() ...argument...
+
+    It even works on methods:
+
+    >>> class Handler:
+    ...     def meth(self, arg):
+    ...         print(arg)
+    >>> assign_params(Handler().meth, dict(arg='crystal', foo='clear'))()
+    crystal
+    """
+    sig = inspect.signature(func)
+    params = sig.parameters.keys()
+    call_ns = {k: namespace[k] for k in params if k in namespace}
+    return functools.partial(func, **call_ns)
+
+
+def save_method_args(method):
+    """
+    Wrap a method such that when it is called, the args and kwargs are
+    saved on the method.
+
+    >>> class MyClass:
+    ...     @save_method_args
+    ...     def method(self, a, b):
+    ...         print(a, b)
+    >>> my_ob = MyClass()
+    >>> my_ob.method(1, 2)
+    1 2
+    >>> my_ob._saved_method.args
+    (1, 2)
+    >>> my_ob._saved_method.kwargs
+    {}
+    >>> my_ob.method(a=3, b='foo')
+    3 foo
+    >>> my_ob._saved_method.args
+    ()
+    >>> my_ob._saved_method.kwargs == dict(a=3, b='foo')
+    True
+
+    The arguments are stored on the instance, allowing for
+    different instance to save different args.
+
+    >>> your_ob = MyClass()
+    >>> your_ob.method({str('x'): 3}, b=[4])
+    {'x': 3} [4]
+    >>> your_ob._saved_method.args
+    ({'x': 3},)
+    >>> my_ob._saved_method.args
+    ()
+    """
+    args_and_kwargs = collections.namedtuple('args_and_kwargs', 'args kwargs')
+
+    @functools.wraps(method)
+    def wrapper(self, *args, **kwargs):
+        attr_name = '_saved_' + method.__name__
+        attr = args_and_kwargs(args, kwargs)
+        setattr(self, attr_name, attr)
+        return method(self, *args, **kwargs)
+
+    return wrapper
+
+
+def except_(*exceptions, replace=None, use=None):
+    """
+    Replace the indicated exceptions, if raised, with the indicated
+    literal replacement or evaluated expression (if present).
+
+    >>> safe_int = except_(ValueError)(int)
+    >>> safe_int('five')
+    >>> safe_int('5')
+    5
+
+    Specify a literal replacement with ``replace``.
+
+    >>> safe_int_r = except_(ValueError, replace=0)(int)
+    >>> safe_int_r('five')
+    0
+
+    Provide an expression to ``use`` to pass through particular parameters.
+
+    >>> safe_int_pt = except_(ValueError, use='args[0]')(int)
+    >>> safe_int_pt('five')
+    'five'
+
+    """
+
+    def decorate(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            try:
+                return func(*args, **kwargs)
+            except exceptions:
+                try:
+                    return eval(use)
+                except TypeError:
+                    return replace
+
+        return wrapper
+
+    return decorate
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/text/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/text/__init__.py
new file mode 100644
index 00000000..c466378c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/text/__init__.py
@@ -0,0 +1,599 @@
+import re
+import itertools
+import textwrap
+import functools
+
+try:
+    from importlib.resources import files  # type: ignore
+except ImportError:  # pragma: nocover
+    from pkg_resources.extern.importlib_resources import files  # type: ignore
+
+from pkg_resources.extern.jaraco.functools import compose, method_cache
+from pkg_resources.extern.jaraco.context import ExceptionTrap
+
+
+def substitution(old, new):
+    """
+    Return a function that will perform a substitution on a string
+    """
+    return lambda s: s.replace(old, new)
+
+
+def multi_substitution(*substitutions):
+    """
+    Take a sequence of pairs specifying substitutions, and create
+    a function that performs those substitutions.
+
+    >>> multi_substitution(('foo', 'bar'), ('bar', 'baz'))('foo')
+    'baz'
+    """
+    substitutions = itertools.starmap(substitution, substitutions)
+    # compose function applies last function first, so reverse the
+    #  substitutions to get the expected order.
+    substitutions = reversed(tuple(substitutions))
+    return compose(*substitutions)
+
+
+class FoldedCase(str):
+    """
+    A case insensitive string class; behaves just like str
+    except compares equal when the only variation is case.
+
+    >>> s = FoldedCase('hello world')
+
+    >>> s == 'Hello World'
+    True
+
+    >>> 'Hello World' == s
+    True
+
+    >>> s != 'Hello World'
+    False
+
+    >>> s.index('O')
+    4
+
+    >>> s.split('O')
+    ['hell', ' w', 'rld']
+
+    >>> sorted(map(FoldedCase, ['GAMMA', 'alpha', 'Beta']))
+    ['alpha', 'Beta', 'GAMMA']
+
+    Sequence membership is straightforward.
+
+    >>> "Hello World" in [s]
+    True
+    >>> s in ["Hello World"]
+    True
+
+    You may test for set inclusion, but candidate and elements
+    must both be folded.
+
+    >>> FoldedCase("Hello World") in {s}
+    True
+    >>> s in {FoldedCase("Hello World")}
+    True
+
+    String inclusion works as long as the FoldedCase object
+    is on the right.
+
+    >>> "hello" in FoldedCase("Hello World")
+    True
+
+    But not if the FoldedCase object is on the left:
+
+    >>> FoldedCase('hello') in 'Hello World'
+    False
+
+    In that case, use ``in_``:
+
+    >>> FoldedCase('hello').in_('Hello World')
+    True
+
+    >>> FoldedCase('hello') > FoldedCase('Hello')
+    False
+    """
+
+    def __lt__(self, other):
+        return self.lower() < other.lower()
+
+    def __gt__(self, other):
+        return self.lower() > other.lower()
+
+    def __eq__(self, other):
+        return self.lower() == other.lower()
+
+    def __ne__(self, other):
+        return self.lower() != other.lower()
+
+    def __hash__(self):
+        return hash(self.lower())
+
+    def __contains__(self, other):
+        return super().lower().__contains__(other.lower())
+
+    def in_(self, other):
+        "Does self appear in other?"
+        return self in FoldedCase(other)
+
+    # cache lower since it's likely to be called frequently.
+    @method_cache
+    def lower(self):
+        return super().lower()
+
+    def index(self, sub):
+        return self.lower().index(sub.lower())
+
+    def split(self, splitter=' ', maxsplit=0):
+        pattern = re.compile(re.escape(splitter), re.I)
+        return pattern.split(self, maxsplit)
+
+
+# Python 3.8 compatibility
+_unicode_trap = ExceptionTrap(UnicodeDecodeError)
+
+
+@_unicode_trap.passes
+def is_decodable(value):
+    r"""
+    Return True if the supplied value is decodable (using the default
+    encoding).
+
+    >>> is_decodable(b'\xff')
+    False
+    >>> is_decodable(b'\x32')
+    True
+    """
+    value.decode()
+
+
+def is_binary(value):
+    r"""
+    Return True if the value appears to be binary (that is, it's a byte
+    string and isn't decodable).
+
+    >>> is_binary(b'\xff')
+    True
+    >>> is_binary('\xff')
+    False
+    """
+    return isinstance(value, bytes) and not is_decodable(value)
+
+
+def trim(s):
+    r"""
+    Trim something like a docstring to remove the whitespace that
+    is common due to indentation and formatting.
+
+    >>> trim("\n\tfoo = bar\n\t\tbar = baz\n")
+    'foo = bar\n\tbar = baz'
+    """
+    return textwrap.dedent(s).strip()
+
+
+def wrap(s):
+    """
+    Wrap lines of text, retaining existing newlines as
+    paragraph markers.
+
+    >>> print(wrap(lorem_ipsum))
+    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do
+    eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad
+    minim veniam, quis nostrud exercitation ullamco laboris nisi ut
+    aliquip ex ea commodo consequat. Duis aute irure dolor in
+    reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
+    pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
+    culpa qui officia deserunt mollit anim id est laborum.
+    <BLANKLINE>
+    Curabitur pretium tincidunt lacus. Nulla gravida orci a odio. Nullam
+    varius, turpis et commodo pharetra, est eros bibendum elit, nec luctus
+    magna felis sollicitudin mauris. Integer in mauris eu nibh euismod
+    gravida. Duis ac tellus et risus vulputate vehicula. Donec lobortis
+    risus a elit. Etiam tempor. Ut ullamcorper, ligula eu tempor congue,
+    eros est euismod turpis, id tincidunt sapien risus a quam. Maecenas
+    fermentum consequat mi. Donec fermentum. Pellentesque malesuada nulla
+    a mi. Duis sapien sem, aliquet nec, commodo eget, consequat quis,
+    neque. Aliquam faucibus, elit ut dictum aliquet, felis nisl adipiscing
+    sapien, sed malesuada diam lacus eget erat. Cras mollis scelerisque
+    nunc. Nullam arcu. Aliquam consequat. Curabitur augue lorem, dapibus
+    quis, laoreet et, pretium ac, nisi. Aenean magna nisl, mollis quis,
+    molestie eu, feugiat in, orci. In hac habitasse platea dictumst.
+    """
+    paragraphs = s.splitlines()
+    wrapped = ('\n'.join(textwrap.wrap(para)) for para in paragraphs)
+    return '\n\n'.join(wrapped)
+
+
+def unwrap(s):
+    r"""
+    Given a multi-line string, return an unwrapped version.
+
+    >>> wrapped = wrap(lorem_ipsum)
+    >>> wrapped.count('\n')
+    20
+    >>> unwrapped = unwrap(wrapped)
+    >>> unwrapped.count('\n')
+    1
+    >>> print(unwrapped)
+    Lorem ipsum dolor sit amet, consectetur adipiscing ...
+    Curabitur pretium tincidunt lacus. Nulla gravida orci ...
+
+    """
+    paragraphs = re.split(r'\n\n+', s)
+    cleaned = (para.replace('\n', ' ') for para in paragraphs)
+    return '\n'.join(cleaned)
+
+
+
+
+class Splitter(object):
+    """object that will split a string with the given arguments for each call
+
+    >>> s = Splitter(',')
+    >>> s('hello, world, this is your, master calling')
+    ['hello', ' world', ' this is your', ' master calling']
+    """
+
+    def __init__(self, *args):
+        self.args = args
+
+    def __call__(self, s):
+        return s.split(*self.args)
+
+
+def indent(string, prefix=' ' * 4):
+    """
+    >>> indent('foo')
+    '    foo'
+    """
+    return prefix + string
+
+
+class WordSet(tuple):
+    """
+    Given an identifier, return the words that identifier represents,
+    whether in camel case, underscore-separated, etc.
+
+    >>> WordSet.parse("camelCase")
+    ('camel', 'Case')
+
+    >>> WordSet.parse("under_sep")
+    ('under', 'sep')
+
+    Acronyms should be retained
+
+    >>> WordSet.parse("firstSNL")
+    ('first', 'SNL')
+
+    >>> WordSet.parse("you_and_I")
+    ('you', 'and', 'I')
+
+    >>> WordSet.parse("A simple test")
+    ('A', 'simple', 'test')
+
+    Multiple caps should not interfere with the first cap of another word.
+
+    >>> WordSet.parse("myABCClass")
+    ('my', 'ABC', 'Class')
+
+    The result is a WordSet, so you can get the form you need.
+
+    >>> WordSet.parse("myABCClass").underscore_separated()
+    'my_ABC_Class'
+
+    >>> WordSet.parse('a-command').camel_case()
+    'ACommand'
+
+    >>> WordSet.parse('someIdentifier').lowered().space_separated()
+    'some identifier'
+
+    Slices of the result should return another WordSet.
+
+    >>> WordSet.parse('taken-out-of-context')[1:].underscore_separated()
+    'out_of_context'
+
+    >>> WordSet.from_class_name(WordSet()).lowered().space_separated()
+    'word set'
+
+    >>> example = WordSet.parse('figured it out')
+    >>> example.headless_camel_case()
+    'figuredItOut'
+    >>> example.dash_separated()
+    'figured-it-out'
+
+    """
+
+    _pattern = re.compile('([A-Z]?[a-z]+)|([A-Z]+(?![a-z]))')
+
+    def capitalized(self):
+        return WordSet(word.capitalize() for word in self)
+
+    def lowered(self):
+        return WordSet(word.lower() for word in self)
+
+    def camel_case(self):
+        return ''.join(self.capitalized())
+
+    def headless_camel_case(self):
+        words = iter(self)
+        first = next(words).lower()
+        new_words = itertools.chain((first,), WordSet(words).camel_case())
+        return ''.join(new_words)
+
+    def underscore_separated(self):
+        return '_'.join(self)
+
+    def dash_separated(self):
+        return '-'.join(self)
+
+    def space_separated(self):
+        return ' '.join(self)
+
+    def trim_right(self, item):
+        """
+        Remove the item from the end of the set.
+
+        >>> WordSet.parse('foo bar').trim_right('foo')
+        ('foo', 'bar')
+        >>> WordSet.parse('foo bar').trim_right('bar')
+        ('foo',)
+        >>> WordSet.parse('').trim_right('bar')
+        ()
+        """
+        return self[:-1] if self and self[-1] == item else self
+
+    def trim_left(self, item):
+        """
+        Remove the item from the beginning of the set.
+
+        >>> WordSet.parse('foo bar').trim_left('foo')
+        ('bar',)
+        >>> WordSet.parse('foo bar').trim_left('bar')
+        ('foo', 'bar')
+        >>> WordSet.parse('').trim_left('bar')
+        ()
+        """
+        return self[1:] if self and self[0] == item else self
+
+    def trim(self, item):
+        """
+        >>> WordSet.parse('foo bar').trim('foo')
+        ('bar',)
+        """
+        return self.trim_left(item).trim_right(item)
+
+    def __getitem__(self, item):
+        result = super(WordSet, self).__getitem__(item)
+        if isinstance(item, slice):
+            result = WordSet(result)
+        return result
+
+    @classmethod
+    def parse(cls, identifier):
+        matches = cls._pattern.finditer(identifier)
+        return WordSet(match.group(0) for match in matches)
+
+    @classmethod
+    def from_class_name(cls, subject):
+        return cls.parse(subject.__class__.__name__)
+
+
+# for backward compatibility
+words = WordSet.parse
+
+
+def simple_html_strip(s):
+    r"""
+    Remove HTML from the string `s`.
+
+    >>> str(simple_html_strip(''))
+    ''
+
+    >>> print(simple_html_strip('A <bold>stormy</bold> day in paradise'))
+    A stormy day in paradise
+
+    >>> print(simple_html_strip('Somebody <!-- do not --> tell the truth.'))
+    Somebody  tell the truth.
+
+    >>> print(simple_html_strip('What about<br/>\nmultiple lines?'))
+    What about
+    multiple lines?
+    """
+    html_stripper = re.compile('(<!--.*?-->)|(<[^>]*>)|([^<]+)', re.DOTALL)
+    texts = (match.group(3) or '' for match in html_stripper.finditer(s))
+    return ''.join(texts)
+
+
+class SeparatedValues(str):
+    """
+    A string separated by a separator. Overrides __iter__ for getting
+    the values.
+
+    >>> list(SeparatedValues('a,b,c'))
+    ['a', 'b', 'c']
+
+    Whitespace is stripped and empty values are discarded.
+
+    >>> list(SeparatedValues(' a,   b   , c,  '))
+    ['a', 'b', 'c']
+    """
+
+    separator = ','
+
+    def __iter__(self):
+        parts = self.split(self.separator)
+        return filter(None, (part.strip() for part in parts))
+
+
+class Stripper:
+    r"""
+    Given a series of lines, find the common prefix and strip it from them.
+
+    >>> lines = [
+    ...     'abcdefg\n',
+    ...     'abc\n',
+    ...     'abcde\n',
+    ... ]
+    >>> res = Stripper.strip_prefix(lines)
+    >>> res.prefix
+    'abc'
+    >>> list(res.lines)
+    ['defg\n', '\n', 'de\n']
+
+    If no prefix is common, nothing should be stripped.
+
+    >>> lines = [
+    ...     'abcd\n',
+    ...     '1234\n',
+    ... ]
+    >>> res = Stripper.strip_prefix(lines)
+    >>> res.prefix = ''
+    >>> list(res.lines)
+    ['abcd\n', '1234\n']
+    """
+
+    def __init__(self, prefix, lines):
+        self.prefix = prefix
+        self.lines = map(self, lines)
+
+    @classmethod
+    def strip_prefix(cls, lines):
+        prefix_lines, lines = itertools.tee(lines)
+        prefix = functools.reduce(cls.common_prefix, prefix_lines)
+        return cls(prefix, lines)
+
+    def __call__(self, line):
+        if not self.prefix:
+            return line
+        null, prefix, rest = line.partition(self.prefix)
+        return rest
+
+    @staticmethod
+    def common_prefix(s1, s2):
+        """
+        Return the common prefix of two lines.
+        """
+        index = min(len(s1), len(s2))
+        while s1[:index] != s2[:index]:
+            index -= 1
+        return s1[:index]
+
+
+def remove_prefix(text, prefix):
+    """
+    Remove the prefix from the text if it exists.
+
+    >>> remove_prefix('underwhelming performance', 'underwhelming ')
+    'performance'
+
+    >>> remove_prefix('something special', 'sample')
+    'something special'
+    """
+    null, prefix, rest = text.rpartition(prefix)
+    return rest
+
+
+def remove_suffix(text, suffix):
+    """
+    Remove the suffix from the text if it exists.
+
+    >>> remove_suffix('name.git', '.git')
+    'name'
+
+    >>> remove_suffix('something special', 'sample')
+    'something special'
+    """
+    rest, suffix, null = text.partition(suffix)
+    return rest
+
+
+def normalize_newlines(text):
+    r"""
+    Replace alternate newlines with the canonical newline.
+
+    >>> normalize_newlines('Lorem Ipsum\u2029')
+    'Lorem Ipsum\n'
+    >>> normalize_newlines('Lorem Ipsum\r\n')
+    'Lorem Ipsum\n'
+    >>> normalize_newlines('Lorem Ipsum\x85')
+    'Lorem Ipsum\n'
+    """
+    newlines = ['\r\n', '\r', '\n', '\u0085', '\u2028', '\u2029']
+    pattern = '|'.join(newlines)
+    return re.sub(pattern, '\n', text)
+
+
+def _nonblank(str):
+    return str and not str.startswith('#')
+
+
+@functools.singledispatch
+def yield_lines(iterable):
+    r"""
+    Yield valid lines of a string or iterable.
+
+    >>> list(yield_lines(''))
+    []
+    >>> list(yield_lines(['foo', 'bar']))
+    ['foo', 'bar']
+    >>> list(yield_lines('foo\nbar'))
+    ['foo', 'bar']
+    >>> list(yield_lines('\nfoo\n#bar\nbaz #comment'))
+    ['foo', 'baz #comment']
+    >>> list(yield_lines(['foo\nbar', 'baz', 'bing\n\n\n']))
+    ['foo', 'bar', 'baz', 'bing']
+    """
+    return itertools.chain.from_iterable(map(yield_lines, iterable))
+
+
+@yield_lines.register(str)
+def _(text):
+    return filter(_nonblank, map(str.strip, text.splitlines()))
+
+
+def drop_comment(line):
+    """
+    Drop comments.
+
+    >>> drop_comment('foo # bar')
+    'foo'
+
+    A hash without a space may be in a URL.
+
+    >>> drop_comment('http://example.com/foo#bar')
+    'http://example.com/foo#bar'
+    """
+    return line.partition(' #')[0]
+
+
+def join_continuation(lines):
+    r"""
+    Join lines continued by a trailing backslash.
+
+    >>> list(join_continuation(['foo \\', 'bar', 'baz']))
+    ['foobar', 'baz']
+    >>> list(join_continuation(['foo \\', 'bar', 'baz']))
+    ['foobar', 'baz']
+    >>> list(join_continuation(['foo \\', 'bar \\', 'baz']))
+    ['foobarbaz']
+
+    Not sure why, but...
+    The character preceeding the backslash is also elided.
+
+    >>> list(join_continuation(['goo\\', 'dly']))
+    ['godly']
+
+    A terrible idea, but...
+    If no line is available to continue, suppress the lines.
+
+    >>> list(join_continuation(['foo', 'bar\\', 'baz\\']))
+    ['foo']
+    """
+    lines = iter(lines)
+    for item in lines:
+        while item.endswith('\\'):
+            try:
+                item = item[:-2].strip() + next(lines)
+            except StopIteration:
+                return
+        yield item
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/text/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/jaraco/text/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/__init__.py
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/__init__.py
@@ -0,0 +1,4 @@
+from .more import *  # noqa
+from .recipes import *  # noqa
+
+__version__ = '8.12.0'
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/more.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/more.py
new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/more.py
@@ -0,0 +1,4316 @@
+import warnings
+
+from collections import Counter, defaultdict, deque, abc
+from collections.abc import Sequence
+from functools import partial, reduce, wraps
+from heapq import merge, heapify, heapreplace, heappop
+from itertools import (
+    chain,
+    compress,
+    count,
+    cycle,
+    dropwhile,
+    groupby,
+    islice,
+    repeat,
+    starmap,
+    takewhile,
+    tee,
+    zip_longest,
+)
+from math import exp, factorial, floor, log
+from queue import Empty, Queue
+from random import random, randrange, uniform
+from operator import itemgetter, mul, sub, gt, lt, ge, le
+from sys import hexversion, maxsize
+from time import monotonic
+
+from .recipes import (
+    consume,
+    flatten,
+    pairwise,
+    powerset,
+    take,
+    unique_everseen,
+)
+
+__all__ = [
+    'AbortThread',
+    'SequenceView',
+    'UnequalIterablesError',
+    'adjacent',
+    'all_unique',
+    'always_iterable',
+    'always_reversible',
+    'bucket',
+    'callback_iter',
+    'chunked',
+    'chunked_even',
+    'circular_shifts',
+    'collapse',
+    'collate',
+    'combination_index',
+    'consecutive_groups',
+    'consumer',
+    'count_cycle',
+    'countable',
+    'difference',
+    'distinct_combinations',
+    'distinct_permutations',
+    'distribute',
+    'divide',
+    'duplicates_everseen',
+    'duplicates_justseen',
+    'exactly_n',
+    'filter_except',
+    'first',
+    'groupby_transform',
+    'ichunked',
+    'ilen',
+    'interleave',
+    'interleave_evenly',
+    'interleave_longest',
+    'intersperse',
+    'is_sorted',
+    'islice_extended',
+    'iterate',
+    'last',
+    'locate',
+    'lstrip',
+    'make_decorator',
+    'map_except',
+    'map_if',
+    'map_reduce',
+    'mark_ends',
+    'minmax',
+    'nth_or_last',
+    'nth_permutation',
+    'nth_product',
+    'numeric_range',
+    'one',
+    'only',
+    'padded',
+    'partitions',
+    'peekable',
+    'permutation_index',
+    'product_index',
+    'raise_',
+    'repeat_each',
+    'repeat_last',
+    'replace',
+    'rlocate',
+    'rstrip',
+    'run_length',
+    'sample',
+    'seekable',
+    'set_partitions',
+    'side_effect',
+    'sliced',
+    'sort_together',
+    'split_after',
+    'split_at',
+    'split_before',
+    'split_into',
+    'split_when',
+    'spy',
+    'stagger',
+    'strip',
+    'strictly_n',
+    'substrings',
+    'substrings_indexes',
+    'time_limited',
+    'unique_in_window',
+    'unique_to_each',
+    'unzip',
+    'value_chain',
+    'windowed',
+    'windowed_complete',
+    'with_iter',
+    'zip_broadcast',
+    'zip_equal',
+    'zip_offset',
+]
+
+
+_marker = object()
+
+
+def chunked(iterable, n, strict=False):
+    """Break *iterable* into lists of length *n*:
+
+        >>> list(chunked([1, 2, 3, 4, 5, 6], 3))
+        [[1, 2, 3], [4, 5, 6]]
+
+    By the default, the last yielded list will have fewer than *n* elements
+    if the length of *iterable* is not divisible by *n*:
+
+        >>> list(chunked([1, 2, 3, 4, 5, 6, 7, 8], 3))
+        [[1, 2, 3], [4, 5, 6], [7, 8]]
+
+    To use a fill-in value instead, see the :func:`grouper` recipe.
+
+    If the length of *iterable* is not divisible by *n* and *strict* is
+    ``True``, then ``ValueError`` will be raised before the last
+    list is yielded.
+
+    """
+    iterator = iter(partial(take, n, iter(iterable)), [])
+    if strict:
+        if n is None:
+            raise ValueError('n must not be None when using strict mode.')
+
+        def ret():
+            for chunk in iterator:
+                if len(chunk) != n:
+                    raise ValueError('iterable is not divisible by n.')
+                yield chunk
+
+        return iter(ret())
+    else:
+        return iterator
+
+
+def first(iterable, default=_marker):
+    """Return the first item of *iterable*, or *default* if *iterable* is
+    empty.
+
+        >>> first([0, 1, 2, 3])
+        0
+        >>> first([], 'some default')
+        'some default'
+
+    If *default* is not provided and there are no items in the iterable,
+    raise ``ValueError``.
+
+    :func:`first` is useful when you have a generator of expensive-to-retrieve
+    values and want any arbitrary one. It is marginally shorter than
+    ``next(iter(iterable), default)``.
+
+    """
+    try:
+        return next(iter(iterable))
+    except StopIteration as e:
+        if default is _marker:
+            raise ValueError(
+                'first() was called on an empty iterable, and no '
+                'default value was provided.'
+            ) from e
+        return default
+
+
+def last(iterable, default=_marker):
+    """Return the last item of *iterable*, or *default* if *iterable* is
+    empty.
+
+        >>> last([0, 1, 2, 3])
+        3
+        >>> last([], 'some default')
+        'some default'
+
+    If *default* is not provided and there are no items in the iterable,
+    raise ``ValueError``.
+    """
+    try:
+        if isinstance(iterable, Sequence):
+            return iterable[-1]
+        # Work around https://bugs.python.org/issue38525
+        elif hasattr(iterable, '__reversed__') and (hexversion != 0x030800F0):
+            return next(reversed(iterable))
+        else:
+            return deque(iterable, maxlen=1)[-1]
+    except (IndexError, TypeError, StopIteration):
+        if default is _marker:
+            raise ValueError(
+                'last() was called on an empty iterable, and no default was '
+                'provided.'
+            )
+        return default
+
+
+def nth_or_last(iterable, n, default=_marker):
+    """Return the nth or the last item of *iterable*,
+    or *default* if *iterable* is empty.
+
+        >>> nth_or_last([0, 1, 2, 3], 2)
+        2
+        >>> nth_or_last([0, 1], 2)
+        1
+        >>> nth_or_last([], 0, 'some default')
+        'some default'
+
+    If *default* is not provided and there are no items in the iterable,
+    raise ``ValueError``.
+    """
+    return last(islice(iterable, n + 1), default=default)
+
+
+class peekable:
+    """Wrap an iterator to allow lookahead and prepending elements.
+
+    Call :meth:`peek` on the result to get the value that will be returned
+    by :func:`next`. This won't advance the iterator:
+
+        >>> p = peekable(['a', 'b'])
+        >>> p.peek()
+        'a'
+        >>> next(p)
+        'a'
+
+    Pass :meth:`peek` a default value to return that instead of raising
+    ``StopIteration`` when the iterator is exhausted.
+
+        >>> p = peekable([])
+        >>> p.peek('hi')
+        'hi'
+
+    peekables also offer a :meth:`prepend` method, which "inserts" items
+    at the head of the iterable:
+
+        >>> p = peekable([1, 2, 3])
+        >>> p.prepend(10, 11, 12)
+        >>> next(p)
+        10
+        >>> p.peek()
+        11
+        >>> list(p)
+        [11, 12, 1, 2, 3]
+
+    peekables can be indexed. Index 0 is the item that will be returned by
+    :func:`next`, index 1 is the item after that, and so on:
+    The values up to the given index will be cached.
+
+        >>> p = peekable(['a', 'b', 'c', 'd'])
+        >>> p[0]
+        'a'
+        >>> p[1]
+        'b'
+        >>> next(p)
+        'a'
+
+    Negative indexes are supported, but be aware that they will cache the
+    remaining items in the source iterator, which may require significant
+    storage.
+
+    To check whether a peekable is exhausted, check its truth value:
+
+        >>> p = peekable(['a', 'b'])
+        >>> if p:  # peekable has items
+        ...     list(p)
+        ['a', 'b']
+        >>> if not p:  # peekable is exhausted
+        ...     list(p)
+        []
+
+    """
+
+    def __init__(self, iterable):
+        self._it = iter(iterable)
+        self._cache = deque()
+
+    def __iter__(self):
+        return self
+
+    def __bool__(self):
+        try:
+            self.peek()
+        except StopIteration:
+            return False
+        return True
+
+    def peek(self, default=_marker):
+        """Return the item that will be next returned from ``next()``.
+
+        Return ``default`` if there are no items left. If ``default`` is not
+        provided, raise ``StopIteration``.
+
+        """
+        if not self._cache:
+            try:
+                self._cache.append(next(self._it))
+            except StopIteration:
+                if default is _marker:
+                    raise
+                return default
+        return self._cache[0]
+
+    def prepend(self, *items):
+        """Stack up items to be the next ones returned from ``next()`` or
+        ``self.peek()``. The items will be returned in
+        first in, first out order::
+
+            >>> p = peekable([1, 2, 3])
+            >>> p.prepend(10, 11, 12)
+            >>> next(p)
+            10
+            >>> list(p)
+            [11, 12, 1, 2, 3]
+
+        It is possible, by prepending items, to "resurrect" a peekable that
+        previously raised ``StopIteration``.
+
+            >>> p = peekable([])
+            >>> next(p)
+            Traceback (most recent call last):
+              ...
+            StopIteration
+            >>> p.prepend(1)
+            >>> next(p)
+            1
+            >>> next(p)
+            Traceback (most recent call last):
+              ...
+            StopIteration
+
+        """
+        self._cache.extendleft(reversed(items))
+
+    def __next__(self):
+        if self._cache:
+            return self._cache.popleft()
+
+        return next(self._it)
+
+    def _get_slice(self, index):
+        # Normalize the slice's arguments
+        step = 1 if (index.step is None) else index.step
+        if step > 0:
+            start = 0 if (index.start is None) else index.start
+            stop = maxsize if (index.stop is None) else index.stop
+        elif step < 0:
+            start = -1 if (index.start is None) else index.start
+            stop = (-maxsize - 1) if (index.stop is None) else index.stop
+        else:
+            raise ValueError('slice step cannot be zero')
+
+        # If either the start or stop index is negative, we'll need to cache
+        # the rest of the iterable in order to slice from the right side.
+        if (start < 0) or (stop < 0):
+            self._cache.extend(self._it)
+        # Otherwise we'll need to find the rightmost index and cache to that
+        # point.
+        else:
+            n = min(max(start, stop) + 1, maxsize)
+            cache_len = len(self._cache)
+            if n >= cache_len:
+                self._cache.extend(islice(self._it, n - cache_len))
+
+        return list(self._cache)[index]
+
+    def __getitem__(self, index):
+        if isinstance(index, slice):
+            return self._get_slice(index)
+
+        cache_len = len(self._cache)
+        if index < 0:
+            self._cache.extend(self._it)
+        elif index >= cache_len:
+            self._cache.extend(islice(self._it, index + 1 - cache_len))
+
+        return self._cache[index]
+
+
+def collate(*iterables, **kwargs):
+    """Return a sorted merge of the items from each of several already-sorted
+    *iterables*.
+
+        >>> list(collate('ACDZ', 'AZ', 'JKL'))
+        ['A', 'A', 'C', 'D', 'J', 'K', 'L', 'Z', 'Z']
+
+    Works lazily, keeping only the next value from each iterable in memory. Use
+    :func:`collate` to, for example, perform a n-way mergesort of items that
+    don't fit in memory.
+
+    If a *key* function is specified, the iterables will be sorted according
+    to its result:
+
+        >>> key = lambda s: int(s)  # Sort by numeric value, not by string
+        >>> list(collate(['1', '10'], ['2', '11'], key=key))
+        ['1', '2', '10', '11']
+
+
+    If the *iterables* are sorted in descending order, set *reverse* to
+    ``True``:
+
+        >>> list(collate([5, 3, 1], [4, 2, 0], reverse=True))
+        [5, 4, 3, 2, 1, 0]
+
+    If the elements of the passed-in iterables are out of order, you might get
+    unexpected results.
+
+    On Python 3.5+, this function is an alias for :func:`heapq.merge`.
+
+    """
+    warnings.warn(
+        "collate is no longer part of more_itertools, use heapq.merge",
+        DeprecationWarning,
+    )
+    return merge(*iterables, **kwargs)
+
+
+def consumer(func):
+    """Decorator that automatically advances a PEP-342-style "reverse iterator"
+    to its first yield point so you don't have to call ``next()`` on it
+    manually.
+
+        >>> @consumer
+        ... def tally():
+        ...     i = 0
+        ...     while True:
+        ...         print('Thing number %s is %s.' % (i, (yield)))
+        ...         i += 1
+        ...
+        >>> t = tally()
+        >>> t.send('red')
+        Thing number 0 is red.
+        >>> t.send('fish')
+        Thing number 1 is fish.
+
+    Without the decorator, you would have to call ``next(t)`` before
+    ``t.send()`` could be used.
+
+    """
+
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        gen = func(*args, **kwargs)
+        next(gen)
+        return gen
+
+    return wrapper
+
+
+def ilen(iterable):
+    """Return the number of items in *iterable*.
+
+        >>> ilen(x for x in range(1000000) if x % 3 == 0)
+        333334
+
+    This consumes the iterable, so handle with care.
+
+    """
+    # This approach was selected because benchmarks showed it's likely the
+    # fastest of the known implementations at the time of writing.
+    # See GitHub tracker: #236, #230.
+    counter = count()
+    deque(zip(iterable, counter), maxlen=0)
+    return next(counter)
+
+
+def iterate(func, start):
+    """Return ``start``, ``func(start)``, ``func(func(start))``, ...
+
+    >>> from itertools import islice
+    >>> list(islice(iterate(lambda x: 2*x, 1), 10))
+    [1, 2, 4, 8, 16, 32, 64, 128, 256, 512]
+
+    """
+    while True:
+        yield start
+        start = func(start)
+
+
+def with_iter(context_manager):
+    """Wrap an iterable in a ``with`` statement, so it closes once exhausted.
+
+    For example, this will close the file when the iterator is exhausted::
+
+        upper_lines = (line.upper() for line in with_iter(open('foo')))
+
+    Any context manager which returns an iterable is a candidate for
+    ``with_iter``.
+
+    """
+    with context_manager as iterable:
+        yield from iterable
+
+
+def one(iterable, too_short=None, too_long=None):
+    """Return the first item from *iterable*, which is expected to contain only
+    that item. Raise an exception if *iterable* is empty or has more than one
+    item.
+
+    :func:`one` is useful for ensuring that an iterable contains only one item.
+    For example, it can be used to retrieve the result of a database query
+    that is expected to return a single row.
+
+    If *iterable* is empty, ``ValueError`` will be raised. You may specify a
+    different exception with the *too_short* keyword:
+
+        >>> it = []
+        >>> one(it)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        ValueError: too many items in iterable (expected 1)'
+        >>> too_short = IndexError('too few items')
+        >>> one(it, too_short=too_short)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        IndexError: too few items
+
+    Similarly, if *iterable* contains more than one item, ``ValueError`` will
+    be raised. You may specify a different exception with the *too_long*
+    keyword:
+
+        >>> it = ['too', 'many']
+        >>> one(it)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        ValueError: Expected exactly one item in iterable, but got 'too',
+        'many', and perhaps more.
+        >>> too_long = RuntimeError
+        >>> one(it, too_long=too_long)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        RuntimeError
+
+    Note that :func:`one` attempts to advance *iterable* twice to ensure there
+    is only one item. See :func:`spy` or :func:`peekable` to check iterable
+    contents less destructively.
+
+    """
+    it = iter(iterable)
+
+    try:
+        first_value = next(it)
+    except StopIteration as e:
+        raise (
+            too_short or ValueError('too few items in iterable (expected 1)')
+        ) from e
+
+    try:
+        second_value = next(it)
+    except StopIteration:
+        pass
+    else:
+        msg = (
+            'Expected exactly one item in iterable, but got {!r}, {!r}, '
+            'and perhaps more.'.format(first_value, second_value)
+        )
+        raise too_long or ValueError(msg)
+
+    return first_value
+
+
+def raise_(exception, *args):
+    raise exception(*args)
+
+
+def strictly_n(iterable, n, too_short=None, too_long=None):
+    """Validate that *iterable* has exactly *n* items and return them if
+    it does. If it has fewer than *n* items, call function *too_short*
+    with those items. If it has more than *n* items, call function
+    *too_long* with the first ``n + 1`` items.
+
+        >>> iterable = ['a', 'b', 'c', 'd']
+        >>> n = 4
+        >>> list(strictly_n(iterable, n))
+        ['a', 'b', 'c', 'd']
+
+    By default, *too_short* and *too_long* are functions that raise
+    ``ValueError``.
+
+        >>> list(strictly_n('ab', 3))  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        ValueError: too few items in iterable (got 2)
+
+        >>> list(strictly_n('abc', 2))  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        ValueError: too many items in iterable (got at least 3)
+
+    You can instead supply functions that do something else.
+    *too_short* will be called with the number of items in *iterable*.
+    *too_long* will be called with `n + 1`.
+
+        >>> def too_short(item_count):
+        ...     raise RuntimeError
+        >>> it = strictly_n('abcd', 6, too_short=too_short)
+        >>> list(it)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        RuntimeError
+
+        >>> def too_long(item_count):
+        ...     print('The boss is going to hear about this')
+        >>> it = strictly_n('abcdef', 4, too_long=too_long)
+        >>> list(it)
+        The boss is going to hear about this
+        ['a', 'b', 'c', 'd']
+
+    """
+    if too_short is None:
+        too_short = lambda item_count: raise_(
+            ValueError,
+            'Too few items in iterable (got {})'.format(item_count),
+        )
+
+    if too_long is None:
+        too_long = lambda item_count: raise_(
+            ValueError,
+            'Too many items in iterable (got at least {})'.format(item_count),
+        )
+
+    it = iter(iterable)
+    for i in range(n):
+        try:
+            item = next(it)
+        except StopIteration:
+            too_short(i)
+            return
+        else:
+            yield item
+
+    try:
+        next(it)
+    except StopIteration:
+        pass
+    else:
+        too_long(n + 1)
+
+
+def distinct_permutations(iterable, r=None):
+    """Yield successive distinct permutations of the elements in *iterable*.
+
+        >>> sorted(distinct_permutations([1, 0, 1]))
+        [(0, 1, 1), (1, 0, 1), (1, 1, 0)]
+
+    Equivalent to ``set(permutations(iterable))``, except duplicates are not
+    generated and thrown away. For larger input sequences this is much more
+    efficient.
+
+    Duplicate permutations arise when there are duplicated elements in the
+    input iterable. The number of items returned is
+    `n! / (x_1! * x_2! * ... * x_n!)`, where `n` is the total number of
+    items input, and each `x_i` is the count of a distinct item in the input
+    sequence.
+
+    If *r* is given, only the *r*-length permutations are yielded.
+
+        >>> sorted(distinct_permutations([1, 0, 1], r=2))
+        [(0, 1), (1, 0), (1, 1)]
+        >>> sorted(distinct_permutations(range(3), r=2))
+        [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)]
+
+    """
+    # Algorithm: https://w.wiki/Qai
+    def _full(A):
+        while True:
+            # Yield the permutation we have
+            yield tuple(A)
+
+            # Find the largest index i such that A[i] < A[i + 1]
+            for i in range(size - 2, -1, -1):
+                if A[i] < A[i + 1]:
+                    break
+            #  If no such index exists, this permutation is the last one
+            else:
+                return
+
+            # Find the largest index j greater than j such that A[i] < A[j]
+            for j in range(size - 1, i, -1):
+                if A[i] < A[j]:
+                    break
+
+            # Swap the value of A[i] with that of A[j], then reverse the
+            # sequence from A[i + 1] to form the new permutation
+            A[i], A[j] = A[j], A[i]
+            A[i + 1 :] = A[: i - size : -1]  # A[i + 1:][::-1]
+
+    # Algorithm: modified from the above
+    def _partial(A, r):
+        # Split A into the first r items and the last r items
+        head, tail = A[:r], A[r:]
+        right_head_indexes = range(r - 1, -1, -1)
+        left_tail_indexes = range(len(tail))
+
+        while True:
+            # Yield the permutation we have
+            yield tuple(head)
+
+            # Starting from the right, find the first index of the head with
+            # value smaller than the maximum value of the tail - call it i.
+            pivot = tail[-1]
+            for i in right_head_indexes:
+                if head[i] < pivot:
+                    break
+                pivot = head[i]
+            else:
+                return
+
+            # Starting from the left, find the first value of the tail
+            # with a value greater than head[i] and swap.
+            for j in left_tail_indexes:
+                if tail[j] > head[i]:
+                    head[i], tail[j] = tail[j], head[i]
+                    break
+            # If we didn't find one, start from the right and find the first
+            # index of the head with a value greater than head[i] and swap.
+            else:
+                for j in right_head_indexes:
+                    if head[j] > head[i]:
+                        head[i], head[j] = head[j], head[i]
+                        break
+
+            # Reverse head[i + 1:] and swap it with tail[:r - (i + 1)]
+            tail += head[: i - r : -1]  # head[i + 1:][::-1]
+            i += 1
+            head[i:], tail[:] = tail[: r - i], tail[r - i :]
+
+    items = sorted(iterable)
+
+    size = len(items)
+    if r is None:
+        r = size
+
+    if 0 < r <= size:
+        return _full(items) if (r == size) else _partial(items, r)
+
+    return iter(() if r else ((),))
+
+
+def intersperse(e, iterable, n=1):
+    """Intersperse filler element *e* among the items in *iterable*, leaving
+    *n* items between each filler element.
+
+        >>> list(intersperse('!', [1, 2, 3, 4, 5]))
+        [1, '!', 2, '!', 3, '!', 4, '!', 5]
+
+        >>> list(intersperse(None, [1, 2, 3, 4, 5], n=2))
+        [1, 2, None, 3, 4, None, 5]
+
+    """
+    if n == 0:
+        raise ValueError('n must be > 0')
+    elif n == 1:
+        # interleave(repeat(e), iterable) -> e, x_0, e, x_1, e, x_2...
+        # islice(..., 1, None) -> x_0, e, x_1, e, x_2...
+        return islice(interleave(repeat(e), iterable), 1, None)
+    else:
+        # interleave(filler, chunks) -> [e], [x_0, x_1], [e], [x_2, x_3]...
+        # islice(..., 1, None) -> [x_0, x_1], [e], [x_2, x_3]...
+        # flatten(...) -> x_0, x_1, e, x_2, x_3...
+        filler = repeat([e])
+        chunks = chunked(iterable, n)
+        return flatten(islice(interleave(filler, chunks), 1, None))
+
+
+def unique_to_each(*iterables):
+    """Return the elements from each of the input iterables that aren't in the
+    other input iterables.
+
+    For example, suppose you have a set of packages, each with a set of
+    dependencies::
+
+        {'pkg_1': {'A', 'B'}, 'pkg_2': {'B', 'C'}, 'pkg_3': {'B', 'D'}}
+
+    If you remove one package, which dependencies can also be removed?
+
+    If ``pkg_1`` is removed, then ``A`` is no longer necessary - it is not
+    associated with ``pkg_2`` or ``pkg_3``. Similarly, ``C`` is only needed for
+    ``pkg_2``, and ``D`` is only needed for ``pkg_3``::
+
+        >>> unique_to_each({'A', 'B'}, {'B', 'C'}, {'B', 'D'})
+        [['A'], ['C'], ['D']]
+
+    If there are duplicates in one input iterable that aren't in the others
+    they will be duplicated in the output. Input order is preserved::
+
+        >>> unique_to_each("mississippi", "missouri")
+        [['p', 'p'], ['o', 'u', 'r']]
+
+    It is assumed that the elements of each iterable are hashable.
+
+    """
+    pool = [list(it) for it in iterables]
+    counts = Counter(chain.from_iterable(map(set, pool)))
+    uniques = {element for element in counts if counts[element] == 1}
+    return [list(filter(uniques.__contains__, it)) for it in pool]
+
+
+def windowed(seq, n, fillvalue=None, step=1):
+    """Return a sliding window of width *n* over the given iterable.
+
+        >>> all_windows = windowed([1, 2, 3, 4, 5], 3)
+        >>> list(all_windows)
+        [(1, 2, 3), (2, 3, 4), (3, 4, 5)]
+
+    When the window is larger than the iterable, *fillvalue* is used in place
+    of missing values:
+
+        >>> list(windowed([1, 2, 3], 4))
+        [(1, 2, 3, None)]
+
+    Each window will advance in increments of *step*:
+
+        >>> list(windowed([1, 2, 3, 4, 5, 6], 3, fillvalue='!', step=2))
+        [(1, 2, 3), (3, 4, 5), (5, 6, '!')]
+
+    To slide into the iterable's items, use :func:`chain` to add filler items
+    to the left:
+
+        >>> iterable = [1, 2, 3, 4]
+        >>> n = 3
+        >>> padding = [None] * (n - 1)
+        >>> list(windowed(chain(padding, iterable), 3))
+        [(None, None, 1), (None, 1, 2), (1, 2, 3), (2, 3, 4)]
+    """
+    if n < 0:
+        raise ValueError('n must be >= 0')
+    if n == 0:
+        yield tuple()
+        return
+    if step < 1:
+        raise ValueError('step must be >= 1')
+
+    window = deque(maxlen=n)
+    i = n
+    for _ in map(window.append, seq):
+        i -= 1
+        if not i:
+            i = step
+            yield tuple(window)
+
+    size = len(window)
+    if size < n:
+        yield tuple(chain(window, repeat(fillvalue, n - size)))
+    elif 0 < i < min(step, n):
+        window += (fillvalue,) * i
+        yield tuple(window)
+
+
+def substrings(iterable):
+    """Yield all of the substrings of *iterable*.
+
+        >>> [''.join(s) for s in substrings('more')]
+        ['m', 'o', 'r', 'e', 'mo', 'or', 're', 'mor', 'ore', 'more']
+
+    Note that non-string iterables can also be subdivided.
+
+        >>> list(substrings([0, 1, 2]))
+        [(0,), (1,), (2,), (0, 1), (1, 2), (0, 1, 2)]
+
+    """
+    # The length-1 substrings
+    seq = []
+    for item in iter(iterable):
+        seq.append(item)
+        yield (item,)
+    seq = tuple(seq)
+    item_count = len(seq)
+
+    # And the rest
+    for n in range(2, item_count + 1):
+        for i in range(item_count - n + 1):
+            yield seq[i : i + n]
+
+
+def substrings_indexes(seq, reverse=False):
+    """Yield all substrings and their positions in *seq*
+
+    The items yielded will be a tuple of the form ``(substr, i, j)``, where
+    ``substr == seq[i:j]``.
+
+    This function only works for iterables that support slicing, such as
+    ``str`` objects.
+
+    >>> for item in substrings_indexes('more'):
+    ...    print(item)
+    ('m', 0, 1)
+    ('o', 1, 2)
+    ('r', 2, 3)
+    ('e', 3, 4)
+    ('mo', 0, 2)
+    ('or', 1, 3)
+    ('re', 2, 4)
+    ('mor', 0, 3)
+    ('ore', 1, 4)
+    ('more', 0, 4)
+
+    Set *reverse* to ``True`` to yield the same items in the opposite order.
+
+
+    """
+    r = range(1, len(seq) + 1)
+    if reverse:
+        r = reversed(r)
+    return (
+        (seq[i : i + L], i, i + L) for L in r for i in range(len(seq) - L + 1)
+    )
+
+
+class bucket:
+    """Wrap *iterable* and return an object that buckets it iterable into
+    child iterables based on a *key* function.
+
+        >>> iterable = ['a1', 'b1', 'c1', 'a2', 'b2', 'c2', 'b3']
+        >>> s = bucket(iterable, key=lambda x: x[0])  # Bucket by 1st character
+        >>> sorted(list(s))  # Get the keys
+        ['a', 'b', 'c']
+        >>> a_iterable = s['a']
+        >>> next(a_iterable)
+        'a1'
+        >>> next(a_iterable)
+        'a2'
+        >>> list(s['b'])
+        ['b1', 'b2', 'b3']
+
+    The original iterable will be advanced and its items will be cached until
+    they are used by the child iterables. This may require significant storage.
+
+    By default, attempting to select a bucket to which no items belong  will
+    exhaust the iterable and cache all values.
+    If you specify a *validator* function, selected buckets will instead be
+    checked against it.
+
+        >>> from itertools import count
+        >>> it = count(1, 2)  # Infinite sequence of odd numbers
+        >>> key = lambda x: x % 10  # Bucket by last digit
+        >>> validator = lambda x: x in {1, 3, 5, 7, 9}  # Odd digits only
+        >>> s = bucket(it, key=key, validator=validator)
+        >>> 2 in s
+        False
+        >>> list(s[2])
+        []
+
+    """
+
+    def __init__(self, iterable, key, validator=None):
+        self._it = iter(iterable)
+        self._key = key
+        self._cache = defaultdict(deque)
+        self._validator = validator or (lambda x: True)
+
+    def __contains__(self, value):
+        if not self._validator(value):
+            return False
+
+        try:
+            item = next(self[value])
+        except StopIteration:
+            return False
+        else:
+            self._cache[value].appendleft(item)
+
+        return True
+
+    def _get_values(self, value):
+        """
+        Helper to yield items from the parent iterator that match *value*.
+        Items that don't match are stored in the local cache as they
+        are encountered.
+        """
+        while True:
+            # If we've cached some items that match the target value, emit
+            # the first one and evict it from the cache.
+            if self._cache[value]:
+                yield self._cache[value].popleft()
+            # Otherwise we need to advance the parent iterator to search for
+            # a matching item, caching the rest.
+            else:
+                while True:
+                    try:
+                        item = next(self._it)
+                    except StopIteration:
+                        return
+                    item_value = self._key(item)
+                    if item_value == value:
+                        yield item
+                        break
+                    elif self._validator(item_value):
+                        self._cache[item_value].append(item)
+
+    def __iter__(self):
+        for item in self._it:
+            item_value = self._key(item)
+            if self._validator(item_value):
+                self._cache[item_value].append(item)
+
+        yield from self._cache.keys()
+
+    def __getitem__(self, value):
+        if not self._validator(value):
+            return iter(())
+
+        return self._get_values(value)
+
+
+def spy(iterable, n=1):
+    """Return a 2-tuple with a list containing the first *n* elements of
+    *iterable*, and an iterator with the same items as *iterable*.
+    This allows you to "look ahead" at the items in the iterable without
+    advancing it.
+
+    There is one item in the list by default:
+
+        >>> iterable = 'abcdefg'
+        >>> head, iterable = spy(iterable)
+        >>> head
+        ['a']
+        >>> list(iterable)
+        ['a', 'b', 'c', 'd', 'e', 'f', 'g']
+
+    You may use unpacking to retrieve items instead of lists:
+
+        >>> (head,), iterable = spy('abcdefg')
+        >>> head
+        'a'
+        >>> (first, second), iterable = spy('abcdefg', 2)
+        >>> first
+        'a'
+        >>> second
+        'b'
+
+    The number of items requested can be larger than the number of items in
+    the iterable:
+
+        >>> iterable = [1, 2, 3, 4, 5]
+        >>> head, iterable = spy(iterable, 10)
+        >>> head
+        [1, 2, 3, 4, 5]
+        >>> list(iterable)
+        [1, 2, 3, 4, 5]
+
+    """
+    it = iter(iterable)
+    head = take(n, it)
+
+    return head.copy(), chain(head, it)
+
+
+def interleave(*iterables):
+    """Return a new iterable yielding from each iterable in turn,
+    until the shortest is exhausted.
+
+        >>> list(interleave([1, 2, 3], [4, 5], [6, 7, 8]))
+        [1, 4, 6, 2, 5, 7]
+
+    For a version that doesn't terminate after the shortest iterable is
+    exhausted, see :func:`interleave_longest`.
+
+    """
+    return chain.from_iterable(zip(*iterables))
+
+
+def interleave_longest(*iterables):
+    """Return a new iterable yielding from each iterable in turn,
+    skipping any that are exhausted.
+
+        >>> list(interleave_longest([1, 2, 3], [4, 5], [6, 7, 8]))
+        [1, 4, 6, 2, 5, 7, 3, 8]
+
+    This function produces the same output as :func:`roundrobin`, but may
+    perform better for some inputs (in particular when the number of iterables
+    is large).
+
+    """
+    i = chain.from_iterable(zip_longest(*iterables, fillvalue=_marker))
+    return (x for x in i if x is not _marker)
+
+
+def interleave_evenly(iterables, lengths=None):
+    """
+    Interleave multiple iterables so that their elements are evenly distributed
+    throughout the output sequence.
+
+    >>> iterables = [1, 2, 3, 4, 5], ['a', 'b']
+    >>> list(interleave_evenly(iterables))
+    [1, 2, 'a', 3, 4, 'b', 5]
+
+    >>> iterables = [[1, 2, 3], [4, 5], [6, 7, 8]]
+    >>> list(interleave_evenly(iterables))
+    [1, 6, 4, 2, 7, 3, 8, 5]
+
+    This function requires iterables of known length. Iterables without
+    ``__len__()`` can be used by manually specifying lengths with *lengths*:
+
+    >>> from itertools import combinations, repeat
+    >>> iterables = [combinations(range(4), 2), ['a', 'b', 'c']]
+    >>> lengths = [4 * (4 - 1) // 2, 3]
+    >>> list(interleave_evenly(iterables, lengths=lengths))
+    [(0, 1), (0, 2), 'a', (0, 3), (1, 2), 'b', (1, 3), (2, 3), 'c']
+
+    Based on Bresenham's algorithm.
+    """
+    if lengths is None:
+        try:
+            lengths = [len(it) for it in iterables]
+        except TypeError:
+            raise ValueError(
+                'Iterable lengths could not be determined automatically. '
+                'Specify them with the lengths keyword.'
+            )
+    elif len(iterables) != len(lengths):
+        raise ValueError('Mismatching number of iterables and lengths.')
+
+    dims = len(lengths)
+
+    # sort iterables by length, descending
+    lengths_permute = sorted(
+        range(dims), key=lambda i: lengths[i], reverse=True
+    )
+    lengths_desc = [lengths[i] for i in lengths_permute]
+    iters_desc = [iter(iterables[i]) for i in lengths_permute]
+
+    # the longest iterable is the primary one (Bresenham: the longest
+    # distance along an axis)
+    delta_primary, deltas_secondary = lengths_desc[0], lengths_desc[1:]
+    iter_primary, iters_secondary = iters_desc[0], iters_desc[1:]
+    errors = [delta_primary // dims] * len(deltas_secondary)
+
+    to_yield = sum(lengths)
+    while to_yield:
+        yield next(iter_primary)
+        to_yield -= 1
+        # update errors for each secondary iterable
+        errors = [e - delta for e, delta in zip(errors, deltas_secondary)]
+
+        # those iterables for which the error is negative are yielded
+        # ("diagonal step" in Bresenham)
+        for i, e in enumerate(errors):
+            if e < 0:
+                yield next(iters_secondary[i])
+                to_yield -= 1
+                errors[i] += delta_primary
+
+
+def collapse(iterable, base_type=None, levels=None):
+    """Flatten an iterable with multiple levels of nesting (e.g., a list of
+    lists of tuples) into non-iterable types.
+
+        >>> iterable = [(1, 2), ([3, 4], [[5], [6]])]
+        >>> list(collapse(iterable))
+        [1, 2, 3, 4, 5, 6]
+
+    Binary and text strings are not considered iterable and
+    will not be collapsed.
+
+    To avoid collapsing other types, specify *base_type*:
+
+        >>> iterable = ['ab', ('cd', 'ef'), ['gh', 'ij']]
+        >>> list(collapse(iterable, base_type=tuple))
+        ['ab', ('cd', 'ef'), 'gh', 'ij']
+
+    Specify *levels* to stop flattening after a certain level:
+
+    >>> iterable = [('a', ['b']), ('c', ['d'])]
+    >>> list(collapse(iterable))  # Fully flattened
+    ['a', 'b', 'c', 'd']
+    >>> list(collapse(iterable, levels=1))  # Only one level flattened
+    ['a', ['b'], 'c', ['d']]
+
+    """
+
+    def walk(node, level):
+        if (
+            ((levels is not None) and (level > levels))
+            or isinstance(node, (str, bytes))
+            or ((base_type is not None) and isinstance(node, base_type))
+        ):
+            yield node
+            return
+
+        try:
+            tree = iter(node)
+        except TypeError:
+            yield node
+            return
+        else:
+            for child in tree:
+                yield from walk(child, level + 1)
+
+    yield from walk(iterable, 0)
+
+
+def side_effect(func, iterable, chunk_size=None, before=None, after=None):
+    """Invoke *func* on each item in *iterable* (or on each *chunk_size* group
+    of items) before yielding the item.
+
+    `func` must be a function that takes a single argument. Its return value
+    will be discarded.
+
+    *before* and *after* are optional functions that take no arguments. They
+    will be executed before iteration starts and after it ends, respectively.
+
+    `side_effect` can be used for logging, updating progress bars, or anything
+    that is not functionally "pure."
+
+    Emitting a status message:
+
+        >>> from more_itertools import consume
+        >>> func = lambda item: print('Received {}'.format(item))
+        >>> consume(side_effect(func, range(2)))
+        Received 0
+        Received 1
+
+    Operating on chunks of items:
+
+        >>> pair_sums = []
+        >>> func = lambda chunk: pair_sums.append(sum(chunk))
+        >>> list(side_effect(func, [0, 1, 2, 3, 4, 5], 2))
+        [0, 1, 2, 3, 4, 5]
+        >>> list(pair_sums)
+        [1, 5, 9]
+
+    Writing to a file-like object:
+
+        >>> from io import StringIO
+        >>> from more_itertools import consume
+        >>> f = StringIO()
+        >>> func = lambda x: print(x, file=f)
+        >>> before = lambda: print(u'HEADER', file=f)
+        >>> after = f.close
+        >>> it = [u'a', u'b', u'c']
+        >>> consume(side_effect(func, it, before=before, after=after))
+        >>> f.closed
+        True
+
+    """
+    try:
+        if before is not None:
+            before()
+
+        if chunk_size is None:
+            for item in iterable:
+                func(item)
+                yield item
+        else:
+            for chunk in chunked(iterable, chunk_size):
+                func(chunk)
+                yield from chunk
+    finally:
+        if after is not None:
+            after()
+
+
+def sliced(seq, n, strict=False):
+    """Yield slices of length *n* from the sequence *seq*.
+
+    >>> list(sliced((1, 2, 3, 4, 5, 6), 3))
+    [(1, 2, 3), (4, 5, 6)]
+
+    By the default, the last yielded slice will have fewer than *n* elements
+    if the length of *seq* is not divisible by *n*:
+
+    >>> list(sliced((1, 2, 3, 4, 5, 6, 7, 8), 3))
+    [(1, 2, 3), (4, 5, 6), (7, 8)]
+
+    If the length of *seq* is not divisible by *n* and *strict* is
+    ``True``, then ``ValueError`` will be raised before the last
+    slice is yielded.
+
+    This function will only work for iterables that support slicing.
+    For non-sliceable iterables, see :func:`chunked`.
+
+    """
+    iterator = takewhile(len, (seq[i : i + n] for i in count(0, n)))
+    if strict:
+
+        def ret():
+            for _slice in iterator:
+                if len(_slice) != n:
+                    raise ValueError("seq is not divisible by n.")
+                yield _slice
+
+        return iter(ret())
+    else:
+        return iterator
+
+
+def split_at(iterable, pred, maxsplit=-1, keep_separator=False):
+    """Yield lists of items from *iterable*, where each list is delimited by
+    an item where callable *pred* returns ``True``.
+
+        >>> list(split_at('abcdcba', lambda x: x == 'b'))
+        [['a'], ['c', 'd', 'c'], ['a']]
+
+        >>> list(split_at(range(10), lambda n: n % 2 == 1))
+        [[0], [2], [4], [6], [8], []]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_at(range(10), lambda n: n % 2 == 1, maxsplit=2))
+        [[0], [2], [4, 5, 6, 7, 8, 9]]
+
+    By default, the delimiting items are not included in the output.
+    The include them, set *keep_separator* to ``True``.
+
+        >>> list(split_at('abcdcba', lambda x: x == 'b', keep_separator=True))
+        [['a'], ['b'], ['c', 'd', 'c'], ['b'], ['a']]
+
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    buf = []
+    it = iter(iterable)
+    for item in it:
+        if pred(item):
+            yield buf
+            if keep_separator:
+                yield [item]
+            if maxsplit == 1:
+                yield list(it)
+                return
+            buf = []
+            maxsplit -= 1
+        else:
+            buf.append(item)
+    yield buf
+
+
+def split_before(iterable, pred, maxsplit=-1):
+    """Yield lists of items from *iterable*, where each list ends just before
+    an item for which callable *pred* returns ``True``:
+
+        >>> list(split_before('OneTwo', lambda s: s.isupper()))
+        [['O', 'n', 'e'], ['T', 'w', 'o']]
+
+        >>> list(split_before(range(10), lambda n: n % 3 == 0))
+        [[0, 1, 2], [3, 4, 5], [6, 7, 8], [9]]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_before(range(10), lambda n: n % 3 == 0, maxsplit=2))
+        [[0, 1, 2], [3, 4, 5], [6, 7, 8, 9]]
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    buf = []
+    it = iter(iterable)
+    for item in it:
+        if pred(item) and buf:
+            yield buf
+            if maxsplit == 1:
+                yield [item] + list(it)
+                return
+            buf = []
+            maxsplit -= 1
+        buf.append(item)
+    if buf:
+        yield buf
+
+
+def split_after(iterable, pred, maxsplit=-1):
+    """Yield lists of items from *iterable*, where each list ends with an
+    item where callable *pred* returns ``True``:
+
+        >>> list(split_after('one1two2', lambda s: s.isdigit()))
+        [['o', 'n', 'e', '1'], ['t', 'w', 'o', '2']]
+
+        >>> list(split_after(range(10), lambda n: n % 3 == 0))
+        [[0], [1, 2, 3], [4, 5, 6], [7, 8, 9]]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_after(range(10), lambda n: n % 3 == 0, maxsplit=2))
+        [[0], [1, 2, 3], [4, 5, 6, 7, 8, 9]]
+
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    buf = []
+    it = iter(iterable)
+    for item in it:
+        buf.append(item)
+        if pred(item) and buf:
+            yield buf
+            if maxsplit == 1:
+                yield list(it)
+                return
+            buf = []
+            maxsplit -= 1
+    if buf:
+        yield buf
+
+
+def split_when(iterable, pred, maxsplit=-1):
+    """Split *iterable* into pieces based on the output of *pred*.
+    *pred* should be a function that takes successive pairs of items and
+    returns ``True`` if the iterable should be split in between them.
+
+    For example, to find runs of increasing numbers, split the iterable when
+    element ``i`` is larger than element ``i + 1``:
+
+        >>> list(split_when([1, 2, 3, 3, 2, 5, 2, 4, 2], lambda x, y: x > y))
+        [[1, 2, 3, 3], [2, 5], [2, 4], [2]]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_when([1, 2, 3, 3, 2, 5, 2, 4, 2],
+        ...                 lambda x, y: x > y, maxsplit=2))
+        [[1, 2, 3, 3], [2, 5], [2, 4, 2]]
+
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    it = iter(iterable)
+    try:
+        cur_item = next(it)
+    except StopIteration:
+        return
+
+    buf = [cur_item]
+    for next_item in it:
+        if pred(cur_item, next_item):
+            yield buf
+            if maxsplit == 1:
+                yield [next_item] + list(it)
+                return
+            buf = []
+            maxsplit -= 1
+
+        buf.append(next_item)
+        cur_item = next_item
+
+    yield buf
+
+
+def split_into(iterable, sizes):
+    """Yield a list of sequential items from *iterable* of length 'n' for each
+    integer 'n' in *sizes*.
+
+        >>> list(split_into([1,2,3,4,5,6], [1,2,3]))
+        [[1], [2, 3], [4, 5, 6]]
+
+    If the sum of *sizes* is smaller than the length of *iterable*, then the
+    remaining items of *iterable* will not be returned.
+
+        >>> list(split_into([1,2,3,4,5,6], [2,3]))
+        [[1, 2], [3, 4, 5]]
+
+    If the sum of *sizes* is larger than the length of *iterable*, fewer items
+    will be returned in the iteration that overruns *iterable* and further
+    lists will be empty:
+
+        >>> list(split_into([1,2,3,4], [1,2,3,4]))
+        [[1], [2, 3], [4], []]
+
+    When a ``None`` object is encountered in *sizes*, the returned list will
+    contain items up to the end of *iterable* the same way that itertools.slice
+    does:
+
+        >>> list(split_into([1,2,3,4,5,6,7,8,9,0], [2,3,None]))
+        [[1, 2], [3, 4, 5], [6, 7, 8, 9, 0]]
+
+    :func:`split_into` can be useful for grouping a series of items where the
+    sizes of the groups are not uniform. An example would be where in a row
+    from a table, multiple columns represent elements of the same feature
+    (e.g. a point represented by x,y,z) but, the format is not the same for
+    all columns.
+    """
+    # convert the iterable argument into an iterator so its contents can
+    # be consumed by islice in case it is a generator
+    it = iter(iterable)
+
+    for size in sizes:
+        if size is None:
+            yield list(it)
+            return
+        else:
+            yield list(islice(it, size))
+
+
+def padded(iterable, fillvalue=None, n=None, next_multiple=False):
+    """Yield the elements from *iterable*, followed by *fillvalue*, such that
+    at least *n* items are emitted.
+
+        >>> list(padded([1, 2, 3], '?', 5))
+        [1, 2, 3, '?', '?']
+
+    If *next_multiple* is ``True``, *fillvalue* will be emitted until the
+    number of items emitted is a multiple of *n*::
+
+        >>> list(padded([1, 2, 3, 4], n=3, next_multiple=True))
+        [1, 2, 3, 4, None, None]
+
+    If *n* is ``None``, *fillvalue* will be emitted indefinitely.
+
+    """
+    it = iter(iterable)
+    if n is None:
+        yield from chain(it, repeat(fillvalue))
+    elif n < 1:
+        raise ValueError('n must be at least 1')
+    else:
+        item_count = 0
+        for item in it:
+            yield item
+            item_count += 1
+
+        remaining = (n - item_count) % n if next_multiple else n - item_count
+        for _ in range(remaining):
+            yield fillvalue
+
+
+def repeat_each(iterable, n=2):
+    """Repeat each element in *iterable* *n* times.
+
+    >>> list(repeat_each('ABC', 3))
+    ['A', 'A', 'A', 'B', 'B', 'B', 'C', 'C', 'C']
+    """
+    return chain.from_iterable(map(repeat, iterable, repeat(n)))
+
+
+def repeat_last(iterable, default=None):
+    """After the *iterable* is exhausted, keep yielding its last element.
+
+        >>> list(islice(repeat_last(range(3)), 5))
+        [0, 1, 2, 2, 2]
+
+    If the iterable is empty, yield *default* forever::
+
+        >>> list(islice(repeat_last(range(0), 42), 5))
+        [42, 42, 42, 42, 42]
+
+    """
+    item = _marker
+    for item in iterable:
+        yield item
+    final = default if item is _marker else item
+    yield from repeat(final)
+
+
+def distribute(n, iterable):
+    """Distribute the items from *iterable* among *n* smaller iterables.
+
+        >>> group_1, group_2 = distribute(2, [1, 2, 3, 4, 5, 6])
+        >>> list(group_1)
+        [1, 3, 5]
+        >>> list(group_2)
+        [2, 4, 6]
+
+    If the length of *iterable* is not evenly divisible by *n*, then the
+    length of the returned iterables will not be identical:
+
+        >>> children = distribute(3, [1, 2, 3, 4, 5, 6, 7])
+        >>> [list(c) for c in children]
+        [[1, 4, 7], [2, 5], [3, 6]]
+
+    If the length of *iterable* is smaller than *n*, then the last returned
+    iterables will be empty:
+
+        >>> children = distribute(5, [1, 2, 3])
+        >>> [list(c) for c in children]
+        [[1], [2], [3], [], []]
+
+    This function uses :func:`itertools.tee` and may require significant
+    storage. If you need the order items in the smaller iterables to match the
+    original iterable, see :func:`divide`.
+
+    """
+    if n < 1:
+        raise ValueError('n must be at least 1')
+
+    children = tee(iterable, n)
+    return [islice(it, index, None, n) for index, it in enumerate(children)]
+
+
+def stagger(iterable, offsets=(-1, 0, 1), longest=False, fillvalue=None):
+    """Yield tuples whose elements are offset from *iterable*.
+    The amount by which the `i`-th item in each tuple is offset is given by
+    the `i`-th item in *offsets*.
+
+        >>> list(stagger([0, 1, 2, 3]))
+        [(None, 0, 1), (0, 1, 2), (1, 2, 3)]
+        >>> list(stagger(range(8), offsets=(0, 2, 4)))
+        [(0, 2, 4), (1, 3, 5), (2, 4, 6), (3, 5, 7)]
+
+    By default, the sequence will end when the final element of a tuple is the
+    last item in the iterable. To continue until the first element of a tuple
+    is the last item in the iterable, set *longest* to ``True``::
+
+        >>> list(stagger([0, 1, 2, 3], longest=True))
+        [(None, 0, 1), (0, 1, 2), (1, 2, 3), (2, 3, None), (3, None, None)]
+
+    By default, ``None`` will be used to replace offsets beyond the end of the
+    sequence. Specify *fillvalue* to use some other value.
+
+    """
+    children = tee(iterable, len(offsets))
+
+    return zip_offset(
+        *children, offsets=offsets, longest=longest, fillvalue=fillvalue
+    )
+
+
+class UnequalIterablesError(ValueError):
+    def __init__(self, details=None):
+        msg = 'Iterables have different lengths'
+        if details is not None:
+            msg += (': index 0 has length {}; index {} has length {}').format(
+                *details
+            )
+
+        super().__init__(msg)
+
+
+def _zip_equal_generator(iterables):
+    for combo in zip_longest(*iterables, fillvalue=_marker):
+        for val in combo:
+            if val is _marker:
+                raise UnequalIterablesError()
+        yield combo
+
+
+def _zip_equal(*iterables):
+    # Check whether the iterables are all the same size.
+    try:
+        first_size = len(iterables[0])
+        for i, it in enumerate(iterables[1:], 1):
+            size = len(it)
+            if size != first_size:
+                break
+        else:
+            # If we didn't break out, we can use the built-in zip.
+            return zip(*iterables)
+
+        # If we did break out, there was a mismatch.
+        raise UnequalIterablesError(details=(first_size, i, size))
+    # If any one of the iterables didn't have a length, start reading
+    # them until one runs out.
+    except TypeError:
+        return _zip_equal_generator(iterables)
+
+
+def zip_equal(*iterables):
+    """``zip`` the input *iterables* together, but raise
+    ``UnequalIterablesError`` if they aren't all the same length.
+
+        >>> it_1 = range(3)
+        >>> it_2 = iter('abc')
+        >>> list(zip_equal(it_1, it_2))
+        [(0, 'a'), (1, 'b'), (2, 'c')]
+
+        >>> it_1 = range(3)
+        >>> it_2 = iter('abcd')
+        >>> list(zip_equal(it_1, it_2)) # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        more_itertools.more.UnequalIterablesError: Iterables have different
+        lengths
+
+    """
+    if hexversion >= 0x30A00A6:
+        warnings.warn(
+            (
+                'zip_equal will be removed in a future version of '
+                'more-itertools. Use the builtin zip function with '
+                'strict=True instead.'
+            ),
+            DeprecationWarning,
+        )
+
+    return _zip_equal(*iterables)
+
+
+def zip_offset(*iterables, offsets, longest=False, fillvalue=None):
+    """``zip`` the input *iterables* together, but offset the `i`-th iterable
+    by the `i`-th item in *offsets*.
+
+        >>> list(zip_offset('0123', 'abcdef', offsets=(0, 1)))
+        [('0', 'b'), ('1', 'c'), ('2', 'd'), ('3', 'e')]
+
+    This can be used as a lightweight alternative to SciPy or pandas to analyze
+    data sets in which some series have a lead or lag relationship.
+
+    By default, the sequence will end when the shortest iterable is exhausted.
+    To continue until the longest iterable is exhausted, set *longest* to
+    ``True``.
+
+        >>> list(zip_offset('0123', 'abcdef', offsets=(0, 1), longest=True))
+        [('0', 'b'), ('1', 'c'), ('2', 'd'), ('3', 'e'), (None, 'f')]
+
+    By default, ``None`` will be used to replace offsets beyond the end of the
+    sequence. Specify *fillvalue* to use some other value.
+
+    """
+    if len(iterables) != len(offsets):
+        raise ValueError("Number of iterables and offsets didn't match")
+
+    staggered = []
+    for it, n in zip(iterables, offsets):
+        if n < 0:
+            staggered.append(chain(repeat(fillvalue, -n), it))
+        elif n > 0:
+            staggered.append(islice(it, n, None))
+        else:
+            staggered.append(it)
+
+    if longest:
+        return zip_longest(*staggered, fillvalue=fillvalue)
+
+    return zip(*staggered)
+
+
+def sort_together(iterables, key_list=(0,), key=None, reverse=False):
+    """Return the input iterables sorted together, with *key_list* as the
+    priority for sorting. All iterables are trimmed to the length of the
+    shortest one.
+
+    This can be used like the sorting function in a spreadsheet. If each
+    iterable represents a column of data, the key list determines which
+    columns are used for sorting.
+
+    By default, all iterables are sorted using the ``0``-th iterable::
+
+        >>> iterables = [(4, 3, 2, 1), ('a', 'b', 'c', 'd')]
+        >>> sort_together(iterables)
+        [(1, 2, 3, 4), ('d', 'c', 'b', 'a')]
+
+    Set a different key list to sort according to another iterable.
+    Specifying multiple keys dictates how ties are broken::
+
+        >>> iterables = [(3, 1, 2), (0, 1, 0), ('c', 'b', 'a')]
+        >>> sort_together(iterables, key_list=(1, 2))
+        [(2, 3, 1), (0, 0, 1), ('a', 'c', 'b')]
+
+    To sort by a function of the elements of the iterable, pass a *key*
+    function. Its arguments are the elements of the iterables corresponding to
+    the key list::
+
+        >>> names = ('a', 'b', 'c')
+        >>> lengths = (1, 2, 3)
+        >>> widths = (5, 2, 1)
+        >>> def area(length, width):
+        ...     return length * width
+        >>> sort_together([names, lengths, widths], key_list=(1, 2), key=area)
+        [('c', 'b', 'a'), (3, 2, 1), (1, 2, 5)]
+
+    Set *reverse* to ``True`` to sort in descending order.
+
+        >>> sort_together([(1, 2, 3), ('c', 'b', 'a')], reverse=True)
+        [(3, 2, 1), ('a', 'b', 'c')]
+
+    """
+    if key is None:
+        # if there is no key function, the key argument to sorted is an
+        # itemgetter
+        key_argument = itemgetter(*key_list)
+    else:
+        # if there is a key function, call it with the items at the offsets
+        # specified by the key function as arguments
+        key_list = list(key_list)
+        if len(key_list) == 1:
+            # if key_list contains a single item, pass the item at that offset
+            # as the only argument to the key function
+            key_offset = key_list[0]
+            key_argument = lambda zipped_items: key(zipped_items[key_offset])
+        else:
+            # if key_list contains multiple items, use itemgetter to return a
+            # tuple of items, which we pass as *args to the key function
+            get_key_items = itemgetter(*key_list)
+            key_argument = lambda zipped_items: key(
+                *get_key_items(zipped_items)
+            )
+
+    return list(
+        zip(*sorted(zip(*iterables), key=key_argument, reverse=reverse))
+    )
+
+
+def unzip(iterable):
+    """The inverse of :func:`zip`, this function disaggregates the elements
+    of the zipped *iterable*.
+
+    The ``i``-th iterable contains the ``i``-th element from each element
+    of the zipped iterable. The first element is used to to determine the
+    length of the remaining elements.
+
+        >>> iterable = [('a', 1), ('b', 2), ('c', 3), ('d', 4)]
+        >>> letters, numbers = unzip(iterable)
+        >>> list(letters)
+        ['a', 'b', 'c', 'd']
+        >>> list(numbers)
+        [1, 2, 3, 4]
+
+    This is similar to using ``zip(*iterable)``, but it avoids reading
+    *iterable* into memory. Note, however, that this function uses
+    :func:`itertools.tee` and thus may require significant storage.
+
+    """
+    head, iterable = spy(iter(iterable))
+    if not head:
+        # empty iterable, e.g. zip([], [], [])
+        return ()
+    # spy returns a one-length iterable as head
+    head = head[0]
+    iterables = tee(iterable, len(head))
+
+    def itemgetter(i):
+        def getter(obj):
+            try:
+                return obj[i]
+            except IndexError:
+                # basically if we have an iterable like
+                # iter([(1, 2, 3), (4, 5), (6,)])
+                # the second unzipped iterable would fail at the third tuple
+                # since it would try to access tup[1]
+                # same with the third unzipped iterable and the second tuple
+                # to support these "improperly zipped" iterables,
+                # we create a custom itemgetter
+                # which just stops the unzipped iterables
+                # at first length mismatch
+                raise StopIteration
+
+        return getter
+
+    return tuple(map(itemgetter(i), it) for i, it in enumerate(iterables))
+
+
+def divide(n, iterable):
+    """Divide the elements from *iterable* into *n* parts, maintaining
+    order.
+
+        >>> group_1, group_2 = divide(2, [1, 2, 3, 4, 5, 6])
+        >>> list(group_1)
+        [1, 2, 3]
+        >>> list(group_2)
+        [4, 5, 6]
+
+    If the length of *iterable* is not evenly divisible by *n*, then the
+    length of the returned iterables will not be identical:
+
+        >>> children = divide(3, [1, 2, 3, 4, 5, 6, 7])
+        >>> [list(c) for c in children]
+        [[1, 2, 3], [4, 5], [6, 7]]
+
+    If the length of the iterable is smaller than n, then the last returned
+    iterables will be empty:
+
+        >>> children = divide(5, [1, 2, 3])
+        >>> [list(c) for c in children]
+        [[1], [2], [3], [], []]
+
+    This function will exhaust the iterable before returning and may require
+    significant storage. If order is not important, see :func:`distribute`,
+    which does not first pull the iterable into memory.
+
+    """
+    if n < 1:
+        raise ValueError('n must be at least 1')
+
+    try:
+        iterable[:0]
+    except TypeError:
+        seq = tuple(iterable)
+    else:
+        seq = iterable
+
+    q, r = divmod(len(seq), n)
+
+    ret = []
+    stop = 0
+    for i in range(1, n + 1):
+        start = stop
+        stop += q + 1 if i <= r else q
+        ret.append(iter(seq[start:stop]))
+
+    return ret
+
+
+def always_iterable(obj, base_type=(str, bytes)):
+    """If *obj* is iterable, return an iterator over its items::
+
+        >>> obj = (1, 2, 3)
+        >>> list(always_iterable(obj))
+        [1, 2, 3]
+
+    If *obj* is not iterable, return a one-item iterable containing *obj*::
+
+        >>> obj = 1
+        >>> list(always_iterable(obj))
+        [1]
+
+    If *obj* is ``None``, return an empty iterable:
+
+        >>> obj = None
+        >>> list(always_iterable(None))
+        []
+
+    By default, binary and text strings are not considered iterable::
+
+        >>> obj = 'foo'
+        >>> list(always_iterable(obj))
+        ['foo']
+
+    If *base_type* is set, objects for which ``isinstance(obj, base_type)``
+    returns ``True`` won't be considered iterable.
+
+        >>> obj = {'a': 1}
+        >>> list(always_iterable(obj))  # Iterate over the dict's keys
+        ['a']
+        >>> list(always_iterable(obj, base_type=dict))  # Treat dicts as a unit
+        [{'a': 1}]
+
+    Set *base_type* to ``None`` to avoid any special handling and treat objects
+    Python considers iterable as iterable:
+
+        >>> obj = 'foo'
+        >>> list(always_iterable(obj, base_type=None))
+        ['f', 'o', 'o']
+    """
+    if obj is None:
+        return iter(())
+
+    if (base_type is not None) and isinstance(obj, base_type):
+        return iter((obj,))
+
+    try:
+        return iter(obj)
+    except TypeError:
+        return iter((obj,))
+
+
+def adjacent(predicate, iterable, distance=1):
+    """Return an iterable over `(bool, item)` tuples where the `item` is
+    drawn from *iterable* and the `bool` indicates whether
+    that item satisfies the *predicate* or is adjacent to an item that does.
+
+    For example, to find whether items are adjacent to a ``3``::
+
+        >>> list(adjacent(lambda x: x == 3, range(6)))
+        [(False, 0), (False, 1), (True, 2), (True, 3), (True, 4), (False, 5)]
+
+    Set *distance* to change what counts as adjacent. For example, to find
+    whether items are two places away from a ``3``:
+
+        >>> list(adjacent(lambda x: x == 3, range(6), distance=2))
+        [(False, 0), (True, 1), (True, 2), (True, 3), (True, 4), (True, 5)]
+
+    This is useful for contextualizing the results of a search function.
+    For example, a code comparison tool might want to identify lines that
+    have changed, but also surrounding lines to give the viewer of the diff
+    context.
+
+    The predicate function will only be called once for each item in the
+    iterable.
+
+    See also :func:`groupby_transform`, which can be used with this function
+    to group ranges of items with the same `bool` value.
+
+    """
+    # Allow distance=0 mainly for testing that it reproduces results with map()
+    if distance < 0:
+        raise ValueError('distance must be at least 0')
+
+    i1, i2 = tee(iterable)
+    padding = [False] * distance
+    selected = chain(padding, map(predicate, i1), padding)
+    adjacent_to_selected = map(any, windowed(selected, 2 * distance + 1))
+    return zip(adjacent_to_selected, i2)
+
+
+def groupby_transform(iterable, keyfunc=None, valuefunc=None, reducefunc=None):
+    """An extension of :func:`itertools.groupby` that can apply transformations
+    to the grouped data.
+
+    * *keyfunc* is a function computing a key value for each item in *iterable*
+    * *valuefunc* is a function that transforms the individual items from
+      *iterable* after grouping
+    * *reducefunc* is a function that transforms each group of items
+
+    >>> iterable = 'aAAbBBcCC'
+    >>> keyfunc = lambda k: k.upper()
+    >>> valuefunc = lambda v: v.lower()
+    >>> reducefunc = lambda g: ''.join(g)
+    >>> list(groupby_transform(iterable, keyfunc, valuefunc, reducefunc))
+    [('A', 'aaa'), ('B', 'bbb'), ('C', 'ccc')]
+
+    Each optional argument defaults to an identity function if not specified.
+
+    :func:`groupby_transform` is useful when grouping elements of an iterable
+    using a separate iterable as the key. To do this, :func:`zip` the iterables
+    and pass a *keyfunc* that extracts the first element and a *valuefunc*
+    that extracts the second element::
+
+        >>> from operator import itemgetter
+        >>> keys = [0, 0, 1, 1, 1, 2, 2, 2, 3]
+        >>> values = 'abcdefghi'
+        >>> iterable = zip(keys, values)
+        >>> grouper = groupby_transform(iterable, itemgetter(0), itemgetter(1))
+        >>> [(k, ''.join(g)) for k, g in grouper]
+        [(0, 'ab'), (1, 'cde'), (2, 'fgh'), (3, 'i')]
+
+    Note that the order of items in the iterable is significant.
+    Only adjacent items are grouped together, so if you don't want any
+    duplicate groups, you should sort the iterable by the key function.
+
+    """
+    ret = groupby(iterable, keyfunc)
+    if valuefunc:
+        ret = ((k, map(valuefunc, g)) for k, g in ret)
+    if reducefunc:
+        ret = ((k, reducefunc(g)) for k, g in ret)
+
+    return ret
+
+
+class numeric_range(abc.Sequence, abc.Hashable):
+    """An extension of the built-in ``range()`` function whose arguments can
+    be any orderable numeric type.
+
+    With only *stop* specified, *start* defaults to ``0`` and *step*
+    defaults to ``1``. The output items will match the type of *stop*:
+
+        >>> list(numeric_range(3.5))
+        [0.0, 1.0, 2.0, 3.0]
+
+    With only *start* and *stop* specified, *step* defaults to ``1``. The
+    output items will match the type of *start*:
+
+        >>> from decimal import Decimal
+        >>> start = Decimal('2.1')
+        >>> stop = Decimal('5.1')
+        >>> list(numeric_range(start, stop))
+        [Decimal('2.1'), Decimal('3.1'), Decimal('4.1')]
+
+    With *start*, *stop*, and *step*  specified the output items will match
+    the type of ``start + step``:
+
+        >>> from fractions import Fraction
+        >>> start = Fraction(1, 2)  # Start at 1/2
+        >>> stop = Fraction(5, 2)  # End at 5/2
+        >>> step = Fraction(1, 2)  # Count by 1/2
+        >>> list(numeric_range(start, stop, step))
+        [Fraction(1, 2), Fraction(1, 1), Fraction(3, 2), Fraction(2, 1)]
+
+    If *step* is zero, ``ValueError`` is raised. Negative steps are supported:
+
+        >>> list(numeric_range(3, -1, -1.0))
+        [3.0, 2.0, 1.0, 0.0]
+
+    Be aware of the limitations of floating point numbers; the representation
+    of the yielded numbers may be surprising.
+
+    ``datetime.datetime`` objects can be used for *start* and *stop*, if *step*
+    is a ``datetime.timedelta`` object:
+
+        >>> import datetime
+        >>> start = datetime.datetime(2019, 1, 1)
+        >>> stop = datetime.datetime(2019, 1, 3)
+        >>> step = datetime.timedelta(days=1)
+        >>> items = iter(numeric_range(start, stop, step))
+        >>> next(items)
+        datetime.datetime(2019, 1, 1, 0, 0)
+        >>> next(items)
+        datetime.datetime(2019, 1, 2, 0, 0)
+
+    """
+
+    _EMPTY_HASH = hash(range(0, 0))
+
+    def __init__(self, *args):
+        argc = len(args)
+        if argc == 1:
+            (self._stop,) = args
+            self._start = type(self._stop)(0)
+            self._step = type(self._stop - self._start)(1)
+        elif argc == 2:
+            self._start, self._stop = args
+            self._step = type(self._stop - self._start)(1)
+        elif argc == 3:
+            self._start, self._stop, self._step = args
+        elif argc == 0:
+            raise TypeError(
+                'numeric_range expected at least '
+                '1 argument, got {}'.format(argc)
+            )
+        else:
+            raise TypeError(
+                'numeric_range expected at most '
+                '3 arguments, got {}'.format(argc)
+            )
+
+        self._zero = type(self._step)(0)
+        if self._step == self._zero:
+            raise ValueError('numeric_range() arg 3 must not be zero')
+        self._growing = self._step > self._zero
+        self._init_len()
+
+    def __bool__(self):
+        if self._growing:
+            return self._start < self._stop
+        else:
+            return self._start > self._stop
+
+    def __contains__(self, elem):
+        if self._growing:
+            if self._start <= elem < self._stop:
+                return (elem - self._start) % self._step == self._zero
+        else:
+            if self._start >= elem > self._stop:
+                return (self._start - elem) % (-self._step) == self._zero
+
+        return False
+
+    def __eq__(self, other):
+        if isinstance(other, numeric_range):
+            empty_self = not bool(self)
+            empty_other = not bool(other)
+            if empty_self or empty_other:
+                return empty_self and empty_other  # True if both empty
+            else:
+                return (
+                    self._start == other._start
+                    and self._step == other._step
+                    and self._get_by_index(-1) == other._get_by_index(-1)
+                )
+        else:
+            return False
+
+    def __getitem__(self, key):
+        if isinstance(key, int):
+            return self._get_by_index(key)
+        elif isinstance(key, slice):
+            step = self._step if key.step is None else key.step * self._step
+
+            if key.start is None or key.start <= -self._len:
+                start = self._start
+            elif key.start >= self._len:
+                start = self._stop
+            else:  # -self._len < key.start < self._len
+                start = self._get_by_index(key.start)
+
+            if key.stop is None or key.stop >= self._len:
+                stop = self._stop
+            elif key.stop <= -self._len:
+                stop = self._start
+            else:  # -self._len < key.stop < self._len
+                stop = self._get_by_index(key.stop)
+
+            return numeric_range(start, stop, step)
+        else:
+            raise TypeError(
+                'numeric range indices must be '
+                'integers or slices, not {}'.format(type(key).__name__)
+            )
+
+    def __hash__(self):
+        if self:
+            return hash((self._start, self._get_by_index(-1), self._step))
+        else:
+            return self._EMPTY_HASH
+
+    def __iter__(self):
+        values = (self._start + (n * self._step) for n in count())
+        if self._growing:
+            return takewhile(partial(gt, self._stop), values)
+        else:
+            return takewhile(partial(lt, self._stop), values)
+
+    def __len__(self):
+        return self._len
+
+    def _init_len(self):
+        if self._growing:
+            start = self._start
+            stop = self._stop
+            step = self._step
+        else:
+            start = self._stop
+            stop = self._start
+            step = -self._step
+        distance = stop - start
+        if distance <= self._zero:
+            self._len = 0
+        else:  # distance > 0 and step > 0: regular euclidean division
+            q, r = divmod(distance, step)
+            self._len = int(q) + int(r != self._zero)
+
+    def __reduce__(self):
+        return numeric_range, (self._start, self._stop, self._step)
+
+    def __repr__(self):
+        if self._step == 1:
+            return "numeric_range({}, {})".format(
+                repr(self._start), repr(self._stop)
+            )
+        else:
+            return "numeric_range({}, {}, {})".format(
+                repr(self._start), repr(self._stop), repr(self._step)
+            )
+
+    def __reversed__(self):
+        return iter(
+            numeric_range(
+                self._get_by_index(-1), self._start - self._step, -self._step
+            )
+        )
+
+    def count(self, value):
+        return int(value in self)
+
+    def index(self, value):
+        if self._growing:
+            if self._start <= value < self._stop:
+                q, r = divmod(value - self._start, self._step)
+                if r == self._zero:
+                    return int(q)
+        else:
+            if self._start >= value > self._stop:
+                q, r = divmod(self._start - value, -self._step)
+                if r == self._zero:
+                    return int(q)
+
+        raise ValueError("{} is not in numeric range".format(value))
+
+    def _get_by_index(self, i):
+        if i < 0:
+            i += self._len
+        if i < 0 or i >= self._len:
+            raise IndexError("numeric range object index out of range")
+        return self._start + i * self._step
+
+
+def count_cycle(iterable, n=None):
+    """Cycle through the items from *iterable* up to *n* times, yielding
+    the number of completed cycles along with each item. If *n* is omitted the
+    process repeats indefinitely.
+
+    >>> list(count_cycle('AB', 3))
+    [(0, 'A'), (0, 'B'), (1, 'A'), (1, 'B'), (2, 'A'), (2, 'B')]
+
+    """
+    iterable = tuple(iterable)
+    if not iterable:
+        return iter(())
+    counter = count() if n is None else range(n)
+    return ((i, item) for i in counter for item in iterable)
+
+
+def mark_ends(iterable):
+    """Yield 3-tuples of the form ``(is_first, is_last, item)``.
+
+    >>> list(mark_ends('ABC'))
+    [(True, False, 'A'), (False, False, 'B'), (False, True, 'C')]
+
+    Use this when looping over an iterable to take special action on its first
+    and/or last items:
+
+    >>> iterable = ['Header', 100, 200, 'Footer']
+    >>> total = 0
+    >>> for is_first, is_last, item in mark_ends(iterable):
+    ...     if is_first:
+    ...         continue  # Skip the header
+    ...     if is_last:
+    ...         continue  # Skip the footer
+    ...     total += item
+    >>> print(total)
+    300
+    """
+    it = iter(iterable)
+
+    try:
+        b = next(it)
+    except StopIteration:
+        return
+
+    try:
+        for i in count():
+            a = b
+            b = next(it)
+            yield i == 0, False, a
+
+    except StopIteration:
+        yield i == 0, True, a
+
+
+def locate(iterable, pred=bool, window_size=None):
+    """Yield the index of each item in *iterable* for which *pred* returns
+    ``True``.
+
+    *pred* defaults to :func:`bool`, which will select truthy items:
+
+        >>> list(locate([0, 1, 1, 0, 1, 0, 0]))
+        [1, 2, 4]
+
+    Set *pred* to a custom function to, e.g., find the indexes for a particular
+    item.
+
+        >>> list(locate(['a', 'b', 'c', 'b'], lambda x: x == 'b'))
+        [1, 3]
+
+    If *window_size* is given, then the *pred* function will be called with
+    that many items. This enables searching for sub-sequences:
+
+        >>> iterable = [0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3]
+        >>> pred = lambda *args: args == (1, 2, 3)
+        >>> list(locate(iterable, pred=pred, window_size=3))
+        [1, 5, 9]
+
+    Use with :func:`seekable` to find indexes and then retrieve the associated
+    items:
+
+        >>> from itertools import count
+        >>> from more_itertools import seekable
+        >>> source = (3 * n + 1 if (n % 2) else n // 2 for n in count())
+        >>> it = seekable(source)
+        >>> pred = lambda x: x > 100
+        >>> indexes = locate(it, pred=pred)
+        >>> i = next(indexes)
+        >>> it.seek(i)
+        >>> next(it)
+        106
+
+    """
+    if window_size is None:
+        return compress(count(), map(pred, iterable))
+
+    if window_size < 1:
+        raise ValueError('window size must be at least 1')
+
+    it = windowed(iterable, window_size, fillvalue=_marker)
+    return compress(count(), starmap(pred, it))
+
+
+def lstrip(iterable, pred):
+    """Yield the items from *iterable*, but strip any from the beginning
+    for which *pred* returns ``True``.
+
+    For example, to remove a set of items from the start of an iterable:
+
+        >>> iterable = (None, False, None, 1, 2, None, 3, False, None)
+        >>> pred = lambda x: x in {None, False, ''}
+        >>> list(lstrip(iterable, pred))
+        [1, 2, None, 3, False, None]
+
+    This function is analogous to to :func:`str.lstrip`, and is essentially
+    an wrapper for :func:`itertools.dropwhile`.
+
+    """
+    return dropwhile(pred, iterable)
+
+
+def rstrip(iterable, pred):
+    """Yield the items from *iterable*, but strip any from the end
+    for which *pred* returns ``True``.
+
+    For example, to remove a set of items from the end of an iterable:
+
+        >>> iterable = (None, False, None, 1, 2, None, 3, False, None)
+        >>> pred = lambda x: x in {None, False, ''}
+        >>> list(rstrip(iterable, pred))
+        [None, False, None, 1, 2, None, 3]
+
+    This function is analogous to :func:`str.rstrip`.
+
+    """
+    cache = []
+    cache_append = cache.append
+    cache_clear = cache.clear
+    for x in iterable:
+        if pred(x):
+            cache_append(x)
+        else:
+            yield from cache
+            cache_clear()
+            yield x
+
+
+def strip(iterable, pred):
+    """Yield the items from *iterable*, but strip any from the
+    beginning and end for which *pred* returns ``True``.
+
+    For example, to remove a set of items from both ends of an iterable:
+
+        >>> iterable = (None, False, None, 1, 2, None, 3, False, None)
+        >>> pred = lambda x: x in {None, False, ''}
+        >>> list(strip(iterable, pred))
+        [1, 2, None, 3]
+
+    This function is analogous to :func:`str.strip`.
+
+    """
+    return rstrip(lstrip(iterable, pred), pred)
+
+
+class islice_extended:
+    """An extension of :func:`itertools.islice` that supports negative values
+    for *stop*, *start*, and *step*.
+
+        >>> iterable = iter('abcdefgh')
+        >>> list(islice_extended(iterable, -4, -1))
+        ['e', 'f', 'g']
+
+    Slices with negative values require some caching of *iterable*, but this
+    function takes care to minimize the amount of memory required.
+
+    For example, you can use a negative step with an infinite iterator:
+
+        >>> from itertools import count
+        >>> list(islice_extended(count(), 110, 99, -2))
+        [110, 108, 106, 104, 102, 100]
+
+    You can also use slice notation directly:
+
+        >>> iterable = map(str, count())
+        >>> it = islice_extended(iterable)[10:20:2]
+        >>> list(it)
+        ['10', '12', '14', '16', '18']
+
+    """
+
+    def __init__(self, iterable, *args):
+        it = iter(iterable)
+        if args:
+            self._iterable = _islice_helper(it, slice(*args))
+        else:
+            self._iterable = it
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        return next(self._iterable)
+
+    def __getitem__(self, key):
+        if isinstance(key, slice):
+            return islice_extended(_islice_helper(self._iterable, key))
+
+        raise TypeError('islice_extended.__getitem__ argument must be a slice')
+
+
+def _islice_helper(it, s):
+    start = s.start
+    stop = s.stop
+    if s.step == 0:
+        raise ValueError('step argument must be a non-zero integer or None.')
+    step = s.step or 1
+
+    if step > 0:
+        start = 0 if (start is None) else start
+
+        if start < 0:
+            # Consume all but the last -start items
+            cache = deque(enumerate(it, 1), maxlen=-start)
+            len_iter = cache[-1][0] if cache else 0
+
+            # Adjust start to be positive
+            i = max(len_iter + start, 0)
+
+            # Adjust stop to be positive
+            if stop is None:
+                j = len_iter
+            elif stop >= 0:
+                j = min(stop, len_iter)
+            else:
+                j = max(len_iter + stop, 0)
+
+            # Slice the cache
+            n = j - i
+            if n <= 0:
+                return
+
+            for index, item in islice(cache, 0, n, step):
+                yield item
+        elif (stop is not None) and (stop < 0):
+            # Advance to the start position
+            next(islice(it, start, start), None)
+
+            # When stop is negative, we have to carry -stop items while
+            # iterating
+            cache = deque(islice(it, -stop), maxlen=-stop)
+
+            for index, item in enumerate(it):
+                cached_item = cache.popleft()
+                if index % step == 0:
+                    yield cached_item
+                cache.append(item)
+        else:
+            # When both start and stop are positive we have the normal case
+            yield from islice(it, start, stop, step)
+    else:
+        start = -1 if (start is None) else start
+
+        if (stop is not None) and (stop < 0):
+            # Consume all but the last items
+            n = -stop - 1
+            cache = deque(enumerate(it, 1), maxlen=n)
+            len_iter = cache[-1][0] if cache else 0
+
+            # If start and stop are both negative they are comparable and
+            # we can just slice. Otherwise we can adjust start to be negative
+            # and then slice.
+            if start < 0:
+                i, j = start, stop
+            else:
+                i, j = min(start - len_iter, -1), None
+
+            for index, item in list(cache)[i:j:step]:
+                yield item
+        else:
+            # Advance to the stop position
+            if stop is not None:
+                m = stop + 1
+                next(islice(it, m, m), None)
+
+            # stop is positive, so if start is negative they are not comparable
+            # and we need the rest of the items.
+            if start < 0:
+                i = start
+                n = None
+            # stop is None and start is positive, so we just need items up to
+            # the start index.
+            elif stop is None:
+                i = None
+                n = start + 1
+            # Both stop and start are positive, so they are comparable.
+            else:
+                i = None
+                n = start - stop
+                if n <= 0:
+                    return
+
+            cache = list(islice(it, n))
+
+            yield from cache[i::step]
+
+
+def always_reversible(iterable):
+    """An extension of :func:`reversed` that supports all iterables, not
+    just those which implement the ``Reversible`` or ``Sequence`` protocols.
+
+        >>> print(*always_reversible(x for x in range(3)))
+        2 1 0
+
+    If the iterable is already reversible, this function returns the
+    result of :func:`reversed()`. If the iterable is not reversible,
+    this function will cache the remaining items in the iterable and
+    yield them in reverse order, which may require significant storage.
+    """
+    try:
+        return reversed(iterable)
+    except TypeError:
+        return reversed(list(iterable))
+
+
+def consecutive_groups(iterable, ordering=lambda x: x):
+    """Yield groups of consecutive items using :func:`itertools.groupby`.
+    The *ordering* function determines whether two items are adjacent by
+    returning their position.
+
+    By default, the ordering function is the identity function. This is
+    suitable for finding runs of numbers:
+
+        >>> iterable = [1, 10, 11, 12, 20, 30, 31, 32, 33, 40]
+        >>> for group in consecutive_groups(iterable):
+        ...     print(list(group))
+        [1]
+        [10, 11, 12]
+        [20]
+        [30, 31, 32, 33]
+        [40]
+
+    For finding runs of adjacent letters, try using the :meth:`index` method
+    of a string of letters:
+
+        >>> from string import ascii_lowercase
+        >>> iterable = 'abcdfgilmnop'
+        >>> ordering = ascii_lowercase.index
+        >>> for group in consecutive_groups(iterable, ordering):
+        ...     print(list(group))
+        ['a', 'b', 'c', 'd']
+        ['f', 'g']
+        ['i']
+        ['l', 'm', 'n', 'o', 'p']
+
+    Each group of consecutive items is an iterator that shares it source with
+    *iterable*. When an an output group is advanced, the previous group is
+    no longer available unless its elements are copied (e.g., into a ``list``).
+
+        >>> iterable = [1, 2, 11, 12, 21, 22]
+        >>> saved_groups = []
+        >>> for group in consecutive_groups(iterable):
+        ...     saved_groups.append(list(group))  # Copy group elements
+        >>> saved_groups
+        [[1, 2], [11, 12], [21, 22]]
+
+    """
+    for k, g in groupby(
+        enumerate(iterable), key=lambda x: x[0] - ordering(x[1])
+    ):
+        yield map(itemgetter(1), g)
+
+
+def difference(iterable, func=sub, *, initial=None):
+    """This function is the inverse of :func:`itertools.accumulate`. By default
+    it will compute the first difference of *iterable* using
+    :func:`operator.sub`:
+
+        >>> from itertools import accumulate
+        >>> iterable = accumulate([0, 1, 2, 3, 4])  # produces 0, 1, 3, 6, 10
+        >>> list(difference(iterable))
+        [0, 1, 2, 3, 4]
+
+    *func* defaults to :func:`operator.sub`, but other functions can be
+    specified. They will be applied as follows::
+
+        A, B, C, D, ... --> A, func(B, A), func(C, B), func(D, C), ...
+
+    For example, to do progressive division:
+
+        >>> iterable = [1, 2, 6, 24, 120]
+        >>> func = lambda x, y: x // y
+        >>> list(difference(iterable, func))
+        [1, 2, 3, 4, 5]
+
+    If the *initial* keyword is set, the first element will be skipped when
+    computing successive differences.
+
+        >>> it = [10, 11, 13, 16]  # from accumulate([1, 2, 3], initial=10)
+        >>> list(difference(it, initial=10))
+        [1, 2, 3]
+
+    """
+    a, b = tee(iterable)
+    try:
+        first = [next(b)]
+    except StopIteration:
+        return iter([])
+
+    if initial is not None:
+        first = []
+
+    return chain(first, starmap(func, zip(b, a)))
+
+
+class SequenceView(Sequence):
+    """Return a read-only view of the sequence object *target*.
+
+    :class:`SequenceView` objects are analogous to Python's built-in
+    "dictionary view" types. They provide a dynamic view of a sequence's items,
+    meaning that when the sequence updates, so does the view.
+
+        >>> seq = ['0', '1', '2']
+        >>> view = SequenceView(seq)
+        >>> view
+        SequenceView(['0', '1', '2'])
+        >>> seq.append('3')
+        >>> view
+        SequenceView(['0', '1', '2', '3'])
+
+    Sequence views support indexing, slicing, and length queries. They act
+    like the underlying sequence, except they don't allow assignment:
+
+        >>> view[1]
+        '1'
+        >>> view[1:-1]
+        ['1', '2']
+        >>> len(view)
+        4
+
+    Sequence views are useful as an alternative to copying, as they don't
+    require (much) extra storage.
+
+    """
+
+    def __init__(self, target):
+        if not isinstance(target, Sequence):
+            raise TypeError
+        self._target = target
+
+    def __getitem__(self, index):
+        return self._target[index]
+
+    def __len__(self):
+        return len(self._target)
+
+    def __repr__(self):
+        return '{}({})'.format(self.__class__.__name__, repr(self._target))
+
+
+class seekable:
+    """Wrap an iterator to allow for seeking backward and forward. This
+    progressively caches the items in the source iterable so they can be
+    re-visited.
+
+    Call :meth:`seek` with an index to seek to that position in the source
+    iterable.
+
+    To "reset" an iterator, seek to ``0``:
+
+        >>> from itertools import count
+        >>> it = seekable((str(n) for n in count()))
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+        >>> it.seek(0)
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+        >>> next(it)
+        '3'
+
+    You can also seek forward:
+
+        >>> it = seekable((str(n) for n in range(20)))
+        >>> it.seek(10)
+        >>> next(it)
+        '10'
+        >>> it.seek(20)  # Seeking past the end of the source isn't a problem
+        >>> list(it)
+        []
+        >>> it.seek(0)  # Resetting works even after hitting the end
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+
+    Call :meth:`peek` to look ahead one item without advancing the iterator:
+
+        >>> it = seekable('1234')
+        >>> it.peek()
+        '1'
+        >>> list(it)
+        ['1', '2', '3', '4']
+        >>> it.peek(default='empty')
+        'empty'
+
+    Before the iterator is at its end, calling :func:`bool` on it will return
+    ``True``. After it will return ``False``:
+
+        >>> it = seekable('5678')
+        >>> bool(it)
+        True
+        >>> list(it)
+        ['5', '6', '7', '8']
+        >>> bool(it)
+        False
+
+    You may view the contents of the cache with the :meth:`elements` method.
+    That returns a :class:`SequenceView`, a view that updates automatically:
+
+        >>> it = seekable((str(n) for n in range(10)))
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+        >>> elements = it.elements()
+        >>> elements
+        SequenceView(['0', '1', '2'])
+        >>> next(it)
+        '3'
+        >>> elements
+        SequenceView(['0', '1', '2', '3'])
+
+    By default, the cache grows as the source iterable progresses, so beware of
+    wrapping very large or infinite iterables. Supply *maxlen* to limit the
+    size of the cache (this of course limits how far back you can seek).
+
+        >>> from itertools import count
+        >>> it = seekable((str(n) for n in count()), maxlen=2)
+        >>> next(it), next(it), next(it), next(it)
+        ('0', '1', '2', '3')
+        >>> list(it.elements())
+        ['2', '3']
+        >>> it.seek(0)
+        >>> next(it), next(it), next(it), next(it)
+        ('2', '3', '4', '5')
+        >>> next(it)
+        '6'
+
+    """
+
+    def __init__(self, iterable, maxlen=None):
+        self._source = iter(iterable)
+        if maxlen is None:
+            self._cache = []
+        else:
+            self._cache = deque([], maxlen)
+        self._index = None
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self._index is not None:
+            try:
+                item = self._cache[self._index]
+            except IndexError:
+                self._index = None
+            else:
+                self._index += 1
+                return item
+
+        item = next(self._source)
+        self._cache.append(item)
+        return item
+
+    def __bool__(self):
+        try:
+            self.peek()
+        except StopIteration:
+            return False
+        return True
+
+    def peek(self, default=_marker):
+        try:
+            peeked = next(self)
+        except StopIteration:
+            if default is _marker:
+                raise
+            return default
+        if self._index is None:
+            self._index = len(self._cache)
+        self._index -= 1
+        return peeked
+
+    def elements(self):
+        return SequenceView(self._cache)
+
+    def seek(self, index):
+        self._index = index
+        remainder = index - len(self._cache)
+        if remainder > 0:
+            consume(self, remainder)
+
+
+class run_length:
+    """
+    :func:`run_length.encode` compresses an iterable with run-length encoding.
+    It yields groups of repeated items with the count of how many times they
+    were repeated:
+
+        >>> uncompressed = 'abbcccdddd'
+        >>> list(run_length.encode(uncompressed))
+        [('a', 1), ('b', 2), ('c', 3), ('d', 4)]
+
+    :func:`run_length.decode` decompresses an iterable that was previously
+    compressed with run-length encoding. It yields the items of the
+    decompressed iterable:
+
+        >>> compressed = [('a', 1), ('b', 2), ('c', 3), ('d', 4)]
+        >>> list(run_length.decode(compressed))
+        ['a', 'b', 'b', 'c', 'c', 'c', 'd', 'd', 'd', 'd']
+
+    """
+
+    @staticmethod
+    def encode(iterable):
+        return ((k, ilen(g)) for k, g in groupby(iterable))
+
+    @staticmethod
+    def decode(iterable):
+        return chain.from_iterable(repeat(k, n) for k, n in iterable)
+
+
+def exactly_n(iterable, n, predicate=bool):
+    """Return ``True`` if exactly ``n`` items in the iterable are ``True``
+    according to the *predicate* function.
+
+        >>> exactly_n([True, True, False], 2)
+        True
+        >>> exactly_n([True, True, False], 1)
+        False
+        >>> exactly_n([0, 1, 2, 3, 4, 5], 3, lambda x: x < 3)
+        True
+
+    The iterable will be advanced until ``n + 1`` truthy items are encountered,
+    so avoid calling it on infinite iterables.
+
+    """
+    return len(take(n + 1, filter(predicate, iterable))) == n
+
+
+def circular_shifts(iterable):
+    """Return a list of circular shifts of *iterable*.
+
+    >>> circular_shifts(range(4))
+    [(0, 1, 2, 3), (1, 2, 3, 0), (2, 3, 0, 1), (3, 0, 1, 2)]
+    """
+    lst = list(iterable)
+    return take(len(lst), windowed(cycle(lst), len(lst)))
+
+
+def make_decorator(wrapping_func, result_index=0):
+    """Return a decorator version of *wrapping_func*, which is a function that
+    modifies an iterable. *result_index* is the position in that function's
+    signature where the iterable goes.
+
+    This lets you use itertools on the "production end," i.e. at function
+    definition. This can augment what the function returns without changing the
+    function's code.
+
+    For example, to produce a decorator version of :func:`chunked`:
+
+        >>> from more_itertools import chunked
+        >>> chunker = make_decorator(chunked, result_index=0)
+        >>> @chunker(3)
+        ... def iter_range(n):
+        ...     return iter(range(n))
+        ...
+        >>> list(iter_range(9))
+        [[0, 1, 2], [3, 4, 5], [6, 7, 8]]
+
+    To only allow truthy items to be returned:
+
+        >>> truth_serum = make_decorator(filter, result_index=1)
+        >>> @truth_serum(bool)
+        ... def boolean_test():
+        ...     return [0, 1, '', ' ', False, True]
+        ...
+        >>> list(boolean_test())
+        [1, ' ', True]
+
+    The :func:`peekable` and :func:`seekable` wrappers make for practical
+    decorators:
+
+        >>> from more_itertools import peekable
+        >>> peekable_function = make_decorator(peekable)
+        >>> @peekable_function()
+        ... def str_range(*args):
+        ...     return (str(x) for x in range(*args))
+        ...
+        >>> it = str_range(1, 20, 2)
+        >>> next(it), next(it), next(it)
+        ('1', '3', '5')
+        >>> it.peek()
+        '7'
+        >>> next(it)
+        '7'
+
+    """
+    # See https://sites.google.com/site/bbayles/index/decorator_factory for
+    # notes on how this works.
+    def decorator(*wrapping_args, **wrapping_kwargs):
+        def outer_wrapper(f):
+            def inner_wrapper(*args, **kwargs):
+                result = f(*args, **kwargs)
+                wrapping_args_ = list(wrapping_args)
+                wrapping_args_.insert(result_index, result)
+                return wrapping_func(*wrapping_args_, **wrapping_kwargs)
+
+            return inner_wrapper
+
+        return outer_wrapper
+
+    return decorator
+
+
+def map_reduce(iterable, keyfunc, valuefunc=None, reducefunc=None):
+    """Return a dictionary that maps the items in *iterable* to categories
+    defined by *keyfunc*, transforms them with *valuefunc*, and
+    then summarizes them by category with *reducefunc*.
+
+    *valuefunc* defaults to the identity function if it is unspecified.
+    If *reducefunc* is unspecified, no summarization takes place:
+
+        >>> keyfunc = lambda x: x.upper()
+        >>> result = map_reduce('abbccc', keyfunc)
+        >>> sorted(result.items())
+        [('A', ['a']), ('B', ['b', 'b']), ('C', ['c', 'c', 'c'])]
+
+    Specifying *valuefunc* transforms the categorized items:
+
+        >>> keyfunc = lambda x: x.upper()
+        >>> valuefunc = lambda x: 1
+        >>> result = map_reduce('abbccc', keyfunc, valuefunc)
+        >>> sorted(result.items())
+        [('A', [1]), ('B', [1, 1]), ('C', [1, 1, 1])]
+
+    Specifying *reducefunc* summarizes the categorized items:
+
+        >>> keyfunc = lambda x: x.upper()
+        >>> valuefunc = lambda x: 1
+        >>> reducefunc = sum
+        >>> result = map_reduce('abbccc', keyfunc, valuefunc, reducefunc)
+        >>> sorted(result.items())
+        [('A', 1), ('B', 2), ('C', 3)]
+
+    You may want to filter the input iterable before applying the map/reduce
+    procedure:
+
+        >>> all_items = range(30)
+        >>> items = [x for x in all_items if 10 <= x <= 20]  # Filter
+        >>> keyfunc = lambda x: x % 2  # Evens map to 0; odds to 1
+        >>> categories = map_reduce(items, keyfunc=keyfunc)
+        >>> sorted(categories.items())
+        [(0, [10, 12, 14, 16, 18, 20]), (1, [11, 13, 15, 17, 19])]
+        >>> summaries = map_reduce(items, keyfunc=keyfunc, reducefunc=sum)
+        >>> sorted(summaries.items())
+        [(0, 90), (1, 75)]
+
+    Note that all items in the iterable are gathered into a list before the
+    summarization step, which may require significant storage.
+
+    The returned object is a :obj:`collections.defaultdict` with the
+    ``default_factory`` set to ``None``, such that it behaves like a normal
+    dictionary.
+
+    """
+    valuefunc = (lambda x: x) if (valuefunc is None) else valuefunc
+
+    ret = defaultdict(list)
+    for item in iterable:
+        key = keyfunc(item)
+        value = valuefunc(item)
+        ret[key].append(value)
+
+    if reducefunc is not None:
+        for key, value_list in ret.items():
+            ret[key] = reducefunc(value_list)
+
+    ret.default_factory = None
+    return ret
+
+
+def rlocate(iterable, pred=bool, window_size=None):
+    """Yield the index of each item in *iterable* for which *pred* returns
+    ``True``, starting from the right and moving left.
+
+    *pred* defaults to :func:`bool`, which will select truthy items:
+
+        >>> list(rlocate([0, 1, 1, 0, 1, 0, 0]))  # Truthy at 1, 2, and 4
+        [4, 2, 1]
+
+    Set *pred* to a custom function to, e.g., find the indexes for a particular
+    item:
+
+        >>> iterable = iter('abcb')
+        >>> pred = lambda x: x == 'b'
+        >>> list(rlocate(iterable, pred))
+        [3, 1]
+
+    If *window_size* is given, then the *pred* function will be called with
+    that many items. This enables searching for sub-sequences:
+
+        >>> iterable = [0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3]
+        >>> pred = lambda *args: args == (1, 2, 3)
+        >>> list(rlocate(iterable, pred=pred, window_size=3))
+        [9, 5, 1]
+
+    Beware, this function won't return anything for infinite iterables.
+    If *iterable* is reversible, ``rlocate`` will reverse it and search from
+    the right. Otherwise, it will search from the left and return the results
+    in reverse order.
+
+    See :func:`locate` to for other example applications.
+
+    """
+    if window_size is None:
+        try:
+            len_iter = len(iterable)
+            return (len_iter - i - 1 for i in locate(reversed(iterable), pred))
+        except TypeError:
+            pass
+
+    return reversed(list(locate(iterable, pred, window_size)))
+
+
+def replace(iterable, pred, substitutes, count=None, window_size=1):
+    """Yield the items from *iterable*, replacing the items for which *pred*
+    returns ``True`` with the items from the iterable *substitutes*.
+
+        >>> iterable = [1, 1, 0, 1, 1, 0, 1, 1]
+        >>> pred = lambda x: x == 0
+        >>> substitutes = (2, 3)
+        >>> list(replace(iterable, pred, substitutes))
+        [1, 1, 2, 3, 1, 1, 2, 3, 1, 1]
+
+    If *count* is given, the number of replacements will be limited:
+
+        >>> iterable = [1, 1, 0, 1, 1, 0, 1, 1, 0]
+        >>> pred = lambda x: x == 0
+        >>> substitutes = [None]
+        >>> list(replace(iterable, pred, substitutes, count=2))
+        [1, 1, None, 1, 1, None, 1, 1, 0]
+
+    Use *window_size* to control the number of items passed as arguments to
+    *pred*. This allows for locating and replacing subsequences.
+
+        >>> iterable = [0, 1, 2, 5, 0, 1, 2, 5]
+        >>> window_size = 3
+        >>> pred = lambda *args: args == (0, 1, 2)  # 3 items passed to pred
+        >>> substitutes = [3, 4] # Splice in these items
+        >>> list(replace(iterable, pred, substitutes, window_size=window_size))
+        [3, 4, 5, 3, 4, 5]
+
+    """
+    if window_size < 1:
+        raise ValueError('window_size must be at least 1')
+
+    # Save the substitutes iterable, since it's used more than once
+    substitutes = tuple(substitutes)
+
+    # Add padding such that the number of windows matches the length of the
+    # iterable
+    it = chain(iterable, [_marker] * (window_size - 1))
+    windows = windowed(it, window_size)
+
+    n = 0
+    for w in windows:
+        # If the current window matches our predicate (and we haven't hit
+        # our maximum number of replacements), splice in the substitutes
+        # and then consume the following windows that overlap with this one.
+        # For example, if the iterable is (0, 1, 2, 3, 4...)
+        # and the window size is 2, we have (0, 1), (1, 2), (2, 3)...
+        # If the predicate matches on (0, 1), we need to zap (0, 1) and (1, 2)
+        if pred(*w):
+            if (count is None) or (n < count):
+                n += 1
+                yield from substitutes
+                consume(windows, window_size - 1)
+                continue
+
+        # If there was no match (or we've reached the replacement limit),
+        # yield the first item from the window.
+        if w and (w[0] is not _marker):
+            yield w[0]
+
+
+def partitions(iterable):
+    """Yield all possible order-preserving partitions of *iterable*.
+
+    >>> iterable = 'abc'
+    >>> for part in partitions(iterable):
+    ...     print([''.join(p) for p in part])
+    ['abc']
+    ['a', 'bc']
+    ['ab', 'c']
+    ['a', 'b', 'c']
+
+    This is unrelated to :func:`partition`.
+
+    """
+    sequence = list(iterable)
+    n = len(sequence)
+    for i in powerset(range(1, n)):
+        yield [sequence[i:j] for i, j in zip((0,) + i, i + (n,))]
+
+
+def set_partitions(iterable, k=None):
+    """
+    Yield the set partitions of *iterable* into *k* parts. Set partitions are
+    not order-preserving.
+
+    >>> iterable = 'abc'
+    >>> for part in set_partitions(iterable, 2):
+    ...     print([''.join(p) for p in part])
+    ['a', 'bc']
+    ['ab', 'c']
+    ['b', 'ac']
+
+
+    If *k* is not given, every set partition is generated.
+
+    >>> iterable = 'abc'
+    >>> for part in set_partitions(iterable):
+    ...     print([''.join(p) for p in part])
+    ['abc']
+    ['a', 'bc']
+    ['ab', 'c']
+    ['b', 'ac']
+    ['a', 'b', 'c']
+
+    """
+    L = list(iterable)
+    n = len(L)
+    if k is not None:
+        if k < 1:
+            raise ValueError(
+                "Can't partition in a negative or zero number of groups"
+            )
+        elif k > n:
+            return
+
+    def set_partitions_helper(L, k):
+        n = len(L)
+        if k == 1:
+            yield [L]
+        elif n == k:
+            yield [[s] for s in L]
+        else:
+            e, *M = L
+            for p in set_partitions_helper(M, k - 1):
+                yield [[e], *p]
+            for p in set_partitions_helper(M, k):
+                for i in range(len(p)):
+                    yield p[:i] + [[e] + p[i]] + p[i + 1 :]
+
+    if k is None:
+        for k in range(1, n + 1):
+            yield from set_partitions_helper(L, k)
+    else:
+        yield from set_partitions_helper(L, k)
+
+
+class time_limited:
+    """
+    Yield items from *iterable* until *limit_seconds* have passed.
+    If the time limit expires before all items have been yielded, the
+    ``timed_out`` parameter will be set to ``True``.
+
+    >>> from time import sleep
+    >>> def generator():
+    ...     yield 1
+    ...     yield 2
+    ...     sleep(0.2)
+    ...     yield 3
+    >>> iterable = time_limited(0.1, generator())
+    >>> list(iterable)
+    [1, 2]
+    >>> iterable.timed_out
+    True
+
+    Note that the time is checked before each item is yielded, and iteration
+    stops if  the time elapsed is greater than *limit_seconds*. If your time
+    limit is 1 second, but it takes 2 seconds to generate the first item from
+    the iterable, the function will run for 2 seconds and not yield anything.
+
+    """
+
+    def __init__(self, limit_seconds, iterable):
+        if limit_seconds < 0:
+            raise ValueError('limit_seconds must be positive')
+        self.limit_seconds = limit_seconds
+        self._iterable = iter(iterable)
+        self._start_time = monotonic()
+        self.timed_out = False
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        item = next(self._iterable)
+        if monotonic() - self._start_time > self.limit_seconds:
+            self.timed_out = True
+            raise StopIteration
+
+        return item
+
+
+def only(iterable, default=None, too_long=None):
+    """If *iterable* has only one item, return it.
+    If it has zero items, return *default*.
+    If it has more than one item, raise the exception given by *too_long*,
+    which is ``ValueError`` by default.
+
+    >>> only([], default='missing')
+    'missing'
+    >>> only([1])
+    1
+    >>> only([1, 2])  # doctest: +IGNORE_EXCEPTION_DETAIL
+    Traceback (most recent call last):
+    ...
+    ValueError: Expected exactly one item in iterable, but got 1, 2,
+     and perhaps more.'
+    >>> only([1, 2], too_long=TypeError)  # doctest: +IGNORE_EXCEPTION_DETAIL
+    Traceback (most recent call last):
+    ...
+    TypeError
+
+    Note that :func:`only` attempts to advance *iterable* twice to ensure there
+    is only one item.  See :func:`spy` or :func:`peekable` to check
+    iterable contents less destructively.
+    """
+    it = iter(iterable)
+    first_value = next(it, default)
+
+    try:
+        second_value = next(it)
+    except StopIteration:
+        pass
+    else:
+        msg = (
+            'Expected exactly one item in iterable, but got {!r}, {!r}, '
+            'and perhaps more.'.format(first_value, second_value)
+        )
+        raise too_long or ValueError(msg)
+
+    return first_value
+
+
+def ichunked(iterable, n):
+    """Break *iterable* into sub-iterables with *n* elements each.
+    :func:`ichunked` is like :func:`chunked`, but it yields iterables
+    instead of lists.
+
+    If the sub-iterables are read in order, the elements of *iterable*
+    won't be stored in memory.
+    If they are read out of order, :func:`itertools.tee` is used to cache
+    elements as necessary.
+
+    >>> from itertools import count
+    >>> all_chunks = ichunked(count(), 4)
+    >>> c_1, c_2, c_3 = next(all_chunks), next(all_chunks), next(all_chunks)
+    >>> list(c_2)  # c_1's elements have been cached; c_3's haven't been
+    [4, 5, 6, 7]
+    >>> list(c_1)
+    [0, 1, 2, 3]
+    >>> list(c_3)
+    [8, 9, 10, 11]
+
+    """
+    source = iter(iterable)
+
+    while True:
+        # Check to see whether we're at the end of the source iterable
+        item = next(source, _marker)
+        if item is _marker:
+            return
+
+        # Clone the source and yield an n-length slice
+        source, it = tee(chain([item], source))
+        yield islice(it, n)
+
+        # Advance the source iterable
+        consume(source, n)
+
+
+def distinct_combinations(iterable, r):
+    """Yield the distinct combinations of *r* items taken from *iterable*.
+
+        >>> list(distinct_combinations([0, 0, 1], 2))
+        [(0, 0), (0, 1)]
+
+    Equivalent to ``set(combinations(iterable))``, except duplicates are not
+    generated and thrown away. For larger input sequences this is much more
+    efficient.
+
+    """
+    if r < 0:
+        raise ValueError('r must be non-negative')
+    elif r == 0:
+        yield ()
+        return
+    pool = tuple(iterable)
+    generators = [unique_everseen(enumerate(pool), key=itemgetter(1))]
+    current_combo = [None] * r
+    level = 0
+    while generators:
+        try:
+            cur_idx, p = next(generators[-1])
+        except StopIteration:
+            generators.pop()
+            level -= 1
+            continue
+        current_combo[level] = p
+        if level + 1 == r:
+            yield tuple(current_combo)
+        else:
+            generators.append(
+                unique_everseen(
+                    enumerate(pool[cur_idx + 1 :], cur_idx + 1),
+                    key=itemgetter(1),
+                )
+            )
+            level += 1
+
+
+def filter_except(validator, iterable, *exceptions):
+    """Yield the items from *iterable* for which the *validator* function does
+    not raise one of the specified *exceptions*.
+
+    *validator* is called for each item in *iterable*.
+    It should be a function that accepts one argument and raises an exception
+    if that item is not valid.
+
+    >>> iterable = ['1', '2', 'three', '4', None]
+    >>> list(filter_except(int, iterable, ValueError, TypeError))
+    ['1', '2', '4']
+
+    If an exception other than one given by *exceptions* is raised by
+    *validator*, it is raised like normal.
+    """
+    for item in iterable:
+        try:
+            validator(item)
+        except exceptions:
+            pass
+        else:
+            yield item
+
+
+def map_except(function, iterable, *exceptions):
+    """Transform each item from *iterable* with *function* and yield the
+    result, unless *function* raises one of the specified *exceptions*.
+
+    *function* is called to transform each item in *iterable*.
+    It should accept one argument.
+
+    >>> iterable = ['1', '2', 'three', '4', None]
+    >>> list(map_except(int, iterable, ValueError, TypeError))
+    [1, 2, 4]
+
+    If an exception other than one given by *exceptions* is raised by
+    *function*, it is raised like normal.
+    """
+    for item in iterable:
+        try:
+            yield function(item)
+        except exceptions:
+            pass
+
+
+def map_if(iterable, pred, func, func_else=lambda x: x):
+    """Evaluate each item from *iterable* using *pred*. If the result is
+    equivalent to ``True``, transform the item with *func* and yield it.
+    Otherwise, transform the item with *func_else* and yield it.
+
+    *pred*, *func*, and *func_else* should each be functions that accept
+    one argument. By default, *func_else* is the identity function.
+
+    >>> from math import sqrt
+    >>> iterable = list(range(-5, 5))
+    >>> iterable
+    [-5, -4, -3, -2, -1, 0, 1, 2, 3, 4]
+    >>> list(map_if(iterable, lambda x: x > 3, lambda x: 'toobig'))
+    [-5, -4, -3, -2, -1, 0, 1, 2, 3, 'toobig']
+    >>> list(map_if(iterable, lambda x: x >= 0,
+    ... lambda x: f'{sqrt(x):.2f}', lambda x: None))
+    [None, None, None, None, None, '0.00', '1.00', '1.41', '1.73', '2.00']
+    """
+    for item in iterable:
+        yield func(item) if pred(item) else func_else(item)
+
+
+def _sample_unweighted(iterable, k):
+    # Implementation of "Algorithm L" from the 1994 paper by Kim-Hung Li:
+    # "Reservoir-Sampling Algorithms of Time Complexity O(n(1+log(N/n)))".
+
+    # Fill up the reservoir (collection of samples) with the first `k` samples
+    reservoir = take(k, iterable)
+
+    # Generate random number that's the largest in a sample of k U(0,1) numbers
+    # Largest order statistic: https://en.wikipedia.org/wiki/Order_statistic
+    W = exp(log(random()) / k)
+
+    # The number of elements to skip before changing the reservoir is a random
+    # number with a geometric distribution. Sample it using random() and logs.
+    next_index = k + floor(log(random()) / log(1 - W))
+
+    for index, element in enumerate(iterable, k):
+
+        if index == next_index:
+            reservoir[randrange(k)] = element
+            # The new W is the largest in a sample of k U(0, `old_W`) numbers
+            W *= exp(log(random()) / k)
+            next_index += floor(log(random()) / log(1 - W)) + 1
+
+    return reservoir
+
+
+def _sample_weighted(iterable, k, weights):
+    # Implementation of "A-ExpJ" from the 2006 paper by Efraimidis et al. :
+    # "Weighted random sampling with a reservoir".
+
+    # Log-transform for numerical stability for weights that are small/large
+    weight_keys = (log(random()) / weight for weight in weights)
+
+    # Fill up the reservoir (collection of samples) with the first `k`
+    # weight-keys and elements, then heapify the list.
+    reservoir = take(k, zip(weight_keys, iterable))
+    heapify(reservoir)
+
+    # The number of jumps before changing the reservoir is a random variable
+    # with an exponential distribution. Sample it using random() and logs.
+    smallest_weight_key, _ = reservoir[0]
+    weights_to_skip = log(random()) / smallest_weight_key
+
+    for weight, element in zip(weights, iterable):
+        if weight >= weights_to_skip:
+            # The notation here is consistent with the paper, but we store
+            # the weight-keys in log-space for better numerical stability.
+            smallest_weight_key, _ = reservoir[0]
+            t_w = exp(weight * smallest_weight_key)
+            r_2 = uniform(t_w, 1)  # generate U(t_w, 1)
+            weight_key = log(r_2) / weight
+            heapreplace(reservoir, (weight_key, element))
+            smallest_weight_key, _ = reservoir[0]
+            weights_to_skip = log(random()) / smallest_weight_key
+        else:
+            weights_to_skip -= weight
+
+    # Equivalent to [element for weight_key, element in sorted(reservoir)]
+    return [heappop(reservoir)[1] for _ in range(k)]
+
+
+def sample(iterable, k, weights=None):
+    """Return a *k*-length list of elements chosen (without replacement)
+    from the *iterable*. Like :func:`random.sample`, but works on iterables
+    of unknown length.
+
+    >>> iterable = range(100)
+    >>> sample(iterable, 5)  # doctest: +SKIP
+    [81, 60, 96, 16, 4]
+
+    An iterable with *weights* may also be given:
+
+    >>> iterable = range(100)
+    >>> weights = (i * i + 1 for i in range(100))
+    >>> sampled = sample(iterable, 5, weights=weights)  # doctest: +SKIP
+    [79, 67, 74, 66, 78]
+
+    The algorithm can also be used to generate weighted random permutations.
+    The relative weight of each item determines the probability that it
+    appears late in the permutation.
+
+    >>> data = "abcdefgh"
+    >>> weights = range(1, len(data) + 1)
+    >>> sample(data, k=len(data), weights=weights)  # doctest: +SKIP
+    ['c', 'a', 'b', 'e', 'g', 'd', 'h', 'f']
+    """
+    if k == 0:
+        return []
+
+    iterable = iter(iterable)
+    if weights is None:
+        return _sample_unweighted(iterable, k)
+    else:
+        weights = iter(weights)
+        return _sample_weighted(iterable, k, weights)
+
+
+def is_sorted(iterable, key=None, reverse=False, strict=False):
+    """Returns ``True`` if the items of iterable are in sorted order, and
+    ``False`` otherwise. *key* and *reverse* have the same meaning that they do
+    in the built-in :func:`sorted` function.
+
+    >>> is_sorted(['1', '2', '3', '4', '5'], key=int)
+    True
+    >>> is_sorted([5, 4, 3, 1, 2], reverse=True)
+    False
+
+    If *strict*, tests for strict sorting, that is, returns ``False`` if equal
+    elements are found:
+
+    >>> is_sorted([1, 2, 2])
+    True
+    >>> is_sorted([1, 2, 2], strict=True)
+    False
+
+    The function returns ``False`` after encountering the first out-of-order
+    item. If there are no out-of-order items, the iterable is exhausted.
+    """
+
+    compare = (le if reverse else ge) if strict else (lt if reverse else gt)
+    it = iterable if key is None else map(key, iterable)
+    return not any(starmap(compare, pairwise(it)))
+
+
+class AbortThread(BaseException):
+    pass
+
+
+class callback_iter:
+    """Convert a function that uses callbacks to an iterator.
+
+    Let *func* be a function that takes a `callback` keyword argument.
+    For example:
+
+    >>> def func(callback=None):
+    ...     for i, c in [(1, 'a'), (2, 'b'), (3, 'c')]:
+    ...         if callback:
+    ...             callback(i, c)
+    ...     return 4
+
+
+    Use ``with callback_iter(func)`` to get an iterator over the parameters
+    that are delivered to the callback.
+
+    >>> with callback_iter(func) as it:
+    ...     for args, kwargs in it:
+    ...         print(args)
+    (1, 'a')
+    (2, 'b')
+    (3, 'c')
+
+    The function will be called in a background thread. The ``done`` property
+    indicates whether it has completed execution.
+
+    >>> it.done
+    True
+
+    If it completes successfully, its return value will be available
+    in the ``result`` property.
+
+    >>> it.result
+    4
+
+    Notes:
+
+    * If the function uses some keyword argument besides ``callback``, supply
+      *callback_kwd*.
+    * If it finished executing, but raised an exception, accessing the
+      ``result`` property will raise the same exception.
+    * If it hasn't finished executing, accessing the ``result``
+      property from within the ``with`` block will raise ``RuntimeError``.
+    * If it hasn't finished executing, accessing the ``result`` property from
+      outside the ``with`` block will raise a
+      ``more_itertools.AbortThread`` exception.
+    * Provide *wait_seconds* to adjust how frequently the it is polled for
+      output.
+
+    """
+
+    def __init__(self, func, callback_kwd='callback', wait_seconds=0.1):
+        self._func = func
+        self._callback_kwd = callback_kwd
+        self._aborted = False
+        self._future = None
+        self._wait_seconds = wait_seconds
+        self._executor = __import__("concurrent.futures").futures.ThreadPoolExecutor(max_workers=1)
+        self._iterator = self._reader()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self._aborted = True
+        self._executor.shutdown()
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        return next(self._iterator)
+
+    @property
+    def done(self):
+        if self._future is None:
+            return False
+        return self._future.done()
+
+    @property
+    def result(self):
+        if not self.done:
+            raise RuntimeError('Function has not yet completed')
+
+        return self._future.result()
+
+    def _reader(self):
+        q = Queue()
+
+        def callback(*args, **kwargs):
+            if self._aborted:
+                raise AbortThread('canceled by user')
+
+            q.put((args, kwargs))
+
+        self._future = self._executor.submit(
+            self._func, **{self._callback_kwd: callback}
+        )
+
+        while True:
+            try:
+                item = q.get(timeout=self._wait_seconds)
+            except Empty:
+                pass
+            else:
+                q.task_done()
+                yield item
+
+            if self._future.done():
+                break
+
+        remaining = []
+        while True:
+            try:
+                item = q.get_nowait()
+            except Empty:
+                break
+            else:
+                q.task_done()
+                remaining.append(item)
+        q.join()
+        yield from remaining
+
+
+def windowed_complete(iterable, n):
+    """
+    Yield ``(beginning, middle, end)`` tuples, where:
+
+    * Each ``middle`` has *n* items from *iterable*
+    * Each ``beginning`` has the items before the ones in ``middle``
+    * Each ``end`` has the items after the ones in ``middle``
+
+    >>> iterable = range(7)
+    >>> n = 3
+    >>> for beginning, middle, end in windowed_complete(iterable, n):
+    ...     print(beginning, middle, end)
+    () (0, 1, 2) (3, 4, 5, 6)
+    (0,) (1, 2, 3) (4, 5, 6)
+    (0, 1) (2, 3, 4) (5, 6)
+    (0, 1, 2) (3, 4, 5) (6,)
+    (0, 1, 2, 3) (4, 5, 6) ()
+
+    Note that *n* must be at least 0 and most equal to the length of
+    *iterable*.
+
+    This function will exhaust the iterable and may require significant
+    storage.
+    """
+    if n < 0:
+        raise ValueError('n must be >= 0')
+
+    seq = tuple(iterable)
+    size = len(seq)
+
+    if n > size:
+        raise ValueError('n must be <= len(seq)')
+
+    for i in range(size - n + 1):
+        beginning = seq[:i]
+        middle = seq[i : i + n]
+        end = seq[i + n :]
+        yield beginning, middle, end
+
+
+def all_unique(iterable, key=None):
+    """
+    Returns ``True`` if all the elements of *iterable* are unique (no two
+    elements are equal).
+
+        >>> all_unique('ABCB')
+        False
+
+    If a *key* function is specified, it will be used to make comparisons.
+
+        >>> all_unique('ABCb')
+        True
+        >>> all_unique('ABCb', str.lower)
+        False
+
+    The function returns as soon as the first non-unique element is
+    encountered. Iterables with a mix of hashable and unhashable items can
+    be used, but the function will be slower for unhashable items.
+    """
+    seenset = set()
+    seenset_add = seenset.add
+    seenlist = []
+    seenlist_add = seenlist.append
+    for element in map(key, iterable) if key else iterable:
+        try:
+            if element in seenset:
+                return False
+            seenset_add(element)
+        except TypeError:
+            if element in seenlist:
+                return False
+            seenlist_add(element)
+    return True
+
+
+def nth_product(index, *args):
+    """Equivalent to ``list(product(*args))[index]``.
+
+    The products of *args* can be ordered lexicographically.
+    :func:`nth_product` computes the product at sort position *index* without
+    computing the previous products.
+
+        >>> nth_product(8, range(2), range(2), range(2), range(2))
+        (1, 0, 0, 0)
+
+    ``IndexError`` will be raised if the given *index* is invalid.
+    """
+    pools = list(map(tuple, reversed(args)))
+    ns = list(map(len, pools))
+
+    c = reduce(mul, ns)
+
+    if index < 0:
+        index += c
+
+    if not 0 <= index < c:
+        raise IndexError
+
+    result = []
+    for pool, n in zip(pools, ns):
+        result.append(pool[index % n])
+        index //= n
+
+    return tuple(reversed(result))
+
+
+def nth_permutation(iterable, r, index):
+    """Equivalent to ``list(permutations(iterable, r))[index]```
+
+    The subsequences of *iterable* that are of length *r* where order is
+    important can be ordered lexicographically. :func:`nth_permutation`
+    computes the subsequence at sort position *index* directly, without
+    computing the previous subsequences.
+
+        >>> nth_permutation('ghijk', 2, 5)
+        ('h', 'i')
+
+    ``ValueError`` will be raised If *r* is negative or greater than the length
+    of *iterable*.
+    ``IndexError`` will be raised if the given *index* is invalid.
+    """
+    pool = list(iterable)
+    n = len(pool)
+
+    if r is None or r == n:
+        r, c = n, factorial(n)
+    elif not 0 <= r < n:
+        raise ValueError
+    else:
+        c = factorial(n) // factorial(n - r)
+
+    if index < 0:
+        index += c
+
+    if not 0 <= index < c:
+        raise IndexError
+
+    if c == 0:
+        return tuple()
+
+    result = [0] * r
+    q = index * factorial(n) // c if r < n else index
+    for d in range(1, n + 1):
+        q, i = divmod(q, d)
+        if 0 <= n - d < r:
+            result[n - d] = i
+        if q == 0:
+            break
+
+    return tuple(map(pool.pop, result))
+
+
+def value_chain(*args):
+    """Yield all arguments passed to the function in the same order in which
+    they were passed. If an argument itself is iterable then iterate over its
+    values.
+
+        >>> list(value_chain(1, 2, 3, [4, 5, 6]))
+        [1, 2, 3, 4, 5, 6]
+
+    Binary and text strings are not considered iterable and are emitted
+    as-is:
+
+        >>> list(value_chain('12', '34', ['56', '78']))
+        ['12', '34', '56', '78']
+
+
+    Multiple levels of nesting are not flattened.
+
+    """
+    for value in args:
+        if isinstance(value, (str, bytes)):
+            yield value
+            continue
+        try:
+            yield from value
+        except TypeError:
+            yield value
+
+
+def product_index(element, *args):
+    """Equivalent to ``list(product(*args)).index(element)``
+
+    The products of *args* can be ordered lexicographically.
+    :func:`product_index` computes the first index of *element* without
+    computing the previous products.
+
+        >>> product_index([8, 2], range(10), range(5))
+        42
+
+    ``ValueError`` will be raised if the given *element* isn't in the product
+    of *args*.
+    """
+    index = 0
+
+    for x, pool in zip_longest(element, args, fillvalue=_marker):
+        if x is _marker or pool is _marker:
+            raise ValueError('element is not a product of args')
+
+        pool = tuple(pool)
+        index = index * len(pool) + pool.index(x)
+
+    return index
+
+
+def combination_index(element, iterable):
+    """Equivalent to ``list(combinations(iterable, r)).index(element)``
+
+    The subsequences of *iterable* that are of length *r* can be ordered
+    lexicographically. :func:`combination_index` computes the index of the
+    first *element*, without computing the previous combinations.
+
+        >>> combination_index('adf', 'abcdefg')
+        10
+
+    ``ValueError`` will be raised if the given *element* isn't one of the
+    combinations of *iterable*.
+    """
+    element = enumerate(element)
+    k, y = next(element, (None, None))
+    if k is None:
+        return 0
+
+    indexes = []
+    pool = enumerate(iterable)
+    for n, x in pool:
+        if x == y:
+            indexes.append(n)
+            tmp, y = next(element, (None, None))
+            if tmp is None:
+                break
+            else:
+                k = tmp
+    else:
+        raise ValueError('element is not a combination of iterable')
+
+    n, _ = last(pool, default=(n, None))
+
+    # Python versiosn below 3.8 don't have math.comb
+    index = 1
+    for i, j in enumerate(reversed(indexes), start=1):
+        j = n - j
+        if i <= j:
+            index += factorial(j) // (factorial(i) * factorial(j - i))
+
+    return factorial(n + 1) // (factorial(k + 1) * factorial(n - k)) - index
+
+
+def permutation_index(element, iterable):
+    """Equivalent to ``list(permutations(iterable, r)).index(element)```
+
+    The subsequences of *iterable* that are of length *r* where order is
+    important can be ordered lexicographically. :func:`permutation_index`
+    computes the index of the first *element* directly, without computing
+    the previous permutations.
+
+        >>> permutation_index([1, 3, 2], range(5))
+        19
+
+    ``ValueError`` will be raised if the given *element* isn't one of the
+    permutations of *iterable*.
+    """
+    index = 0
+    pool = list(iterable)
+    for i, x in zip(range(len(pool), -1, -1), element):
+        r = pool.index(x)
+        index = index * i + r
+        del pool[r]
+
+    return index
+
+
+class countable:
+    """Wrap *iterable* and keep a count of how many items have been consumed.
+
+    The ``items_seen`` attribute starts at ``0`` and increments as the iterable
+    is consumed:
+
+        >>> iterable = map(str, range(10))
+        >>> it = countable(iterable)
+        >>> it.items_seen
+        0
+        >>> next(it), next(it)
+        ('0', '1')
+        >>> list(it)
+        ['2', '3', '4', '5', '6', '7', '8', '9']
+        >>> it.items_seen
+        10
+    """
+
+    def __init__(self, iterable):
+        self._it = iter(iterable)
+        self.items_seen = 0
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        item = next(self._it)
+        self.items_seen += 1
+
+        return item
+
+
+def chunked_even(iterable, n):
+    """Break *iterable* into lists of approximately length *n*.
+    Items are distributed such the lengths of the lists differ by at most
+    1 item.
+
+    >>> iterable = [1, 2, 3, 4, 5, 6, 7]
+    >>> n = 3
+    >>> list(chunked_even(iterable, n))  # List lengths: 3, 2, 2
+    [[1, 2, 3], [4, 5], [6, 7]]
+    >>> list(chunked(iterable, n))  # List lengths: 3, 3, 1
+    [[1, 2, 3], [4, 5, 6], [7]]
+
+    """
+
+    len_method = getattr(iterable, '__len__', None)
+
+    if len_method is None:
+        return _chunked_even_online(iterable, n)
+    else:
+        return _chunked_even_finite(iterable, len_method(), n)
+
+
+def _chunked_even_online(iterable, n):
+    buffer = []
+    maxbuf = n + (n - 2) * (n - 1)
+    for x in iterable:
+        buffer.append(x)
+        if len(buffer) == maxbuf:
+            yield buffer[:n]
+            buffer = buffer[n:]
+    yield from _chunked_even_finite(buffer, len(buffer), n)
+
+
+def _chunked_even_finite(iterable, N, n):
+    if N < 1:
+        return
+
+    # Lists are either size `full_size <= n` or `partial_size = full_size - 1`
+    q, r = divmod(N, n)
+    num_lists = q + (1 if r > 0 else 0)
+    q, r = divmod(N, num_lists)
+    full_size = q + (1 if r > 0 else 0)
+    partial_size = full_size - 1
+    num_full = N - partial_size * num_lists
+    num_partial = num_lists - num_full
+
+    buffer = []
+    iterator = iter(iterable)
+
+    # Yield num_full lists of full_size
+    for x in iterator:
+        buffer.append(x)
+        if len(buffer) == full_size:
+            yield buffer
+            buffer = []
+            num_full -= 1
+            if num_full <= 0:
+                break
+
+    # Yield num_partial lists of partial_size
+    for x in iterator:
+        buffer.append(x)
+        if len(buffer) == partial_size:
+            yield buffer
+            buffer = []
+            num_partial -= 1
+
+
+def zip_broadcast(*objects, scalar_types=(str, bytes), strict=False):
+    """A version of :func:`zip` that "broadcasts" any scalar
+    (i.e., non-iterable) items into output tuples.
+
+    >>> iterable_1 = [1, 2, 3]
+    >>> iterable_2 = ['a', 'b', 'c']
+    >>> scalar = '_'
+    >>> list(zip_broadcast(iterable_1, iterable_2, scalar))
+    [(1, 'a', '_'), (2, 'b', '_'), (3, 'c', '_')]
+
+    The *scalar_types* keyword argument determines what types are considered
+    scalar. It is set to ``(str, bytes)`` by default. Set it to ``None`` to
+    treat strings and byte strings as iterable:
+
+    >>> list(zip_broadcast('abc', 0, 'xyz', scalar_types=None))
+    [('a', 0, 'x'), ('b', 0, 'y'), ('c', 0, 'z')]
+
+    If the *strict* keyword argument is ``True``, then
+    ``UnequalIterablesError`` will be raised if any of the iterables have
+    different lengthss.
+    """
+
+    def is_scalar(obj):
+        if scalar_types and isinstance(obj, scalar_types):
+            return True
+        try:
+            iter(obj)
+        except TypeError:
+            return True
+        else:
+            return False
+
+    size = len(objects)
+    if not size:
+        return
+
+    iterables, iterable_positions = [], []
+    scalars, scalar_positions = [], []
+    for i, obj in enumerate(objects):
+        if is_scalar(obj):
+            scalars.append(obj)
+            scalar_positions.append(i)
+        else:
+            iterables.append(iter(obj))
+            iterable_positions.append(i)
+
+    if len(scalars) == size:
+        yield tuple(objects)
+        return
+
+    zipper = _zip_equal if strict else zip
+    for item in zipper(*iterables):
+        new_item = [None] * size
+
+        for i, elem in zip(iterable_positions, item):
+            new_item[i] = elem
+
+        for i, elem in zip(scalar_positions, scalars):
+            new_item[i] = elem
+
+        yield tuple(new_item)
+
+
+def unique_in_window(iterable, n, key=None):
+    """Yield the items from *iterable* that haven't been seen recently.
+    *n* is the size of the lookback window.
+
+        >>> iterable = [0, 1, 0, 2, 3, 0]
+        >>> n = 3
+        >>> list(unique_in_window(iterable, n))
+        [0, 1, 2, 3, 0]
+
+    The *key* function, if provided, will be used to determine uniqueness:
+
+        >>> list(unique_in_window('abAcda', 3, key=lambda x: x.lower()))
+        ['a', 'b', 'c', 'd', 'a']
+
+    The items in *iterable* must be hashable.
+
+    """
+    if n <= 0:
+        raise ValueError('n must be greater than 0')
+
+    window = deque(maxlen=n)
+    uniques = set()
+    use_key = key is not None
+
+    for item in iterable:
+        k = key(item) if use_key else item
+        if k in uniques:
+            continue
+
+        if len(uniques) == n:
+            uniques.discard(window[0])
+
+        uniques.add(k)
+        window.append(k)
+
+        yield item
+
+
+def duplicates_everseen(iterable, key=None):
+    """Yield duplicate elements after their first appearance.
+
+    >>> list(duplicates_everseen('mississippi'))
+    ['s', 'i', 's', 's', 'i', 'p', 'i']
+    >>> list(duplicates_everseen('AaaBbbCccAaa', str.lower))
+    ['a', 'a', 'b', 'b', 'c', 'c', 'A', 'a', 'a']
+
+    This function is analagous to :func:`unique_everseen` and is subject to
+    the same performance considerations.
+
+    """
+    seen_set = set()
+    seen_list = []
+    use_key = key is not None
+
+    for element in iterable:
+        k = key(element) if use_key else element
+        try:
+            if k not in seen_set:
+                seen_set.add(k)
+            else:
+                yield element
+        except TypeError:
+            if k not in seen_list:
+                seen_list.append(k)
+            else:
+                yield element
+
+
+def duplicates_justseen(iterable, key=None):
+    """Yields serially-duplicate elements after their first appearance.
+
+    >>> list(duplicates_justseen('mississippi'))
+    ['s', 's', 'p']
+    >>> list(duplicates_justseen('AaaBbbCccAaa', str.lower))
+    ['a', 'a', 'b', 'b', 'c', 'c', 'a', 'a']
+
+    This function is analagous to :func:`unique_justseen`.
+
+    """
+    return flatten(
+        map(
+            lambda group_tuple: islice_extended(group_tuple[1])[1:],
+            groupby(iterable, key),
+        )
+    )
+
+
+def minmax(iterable_or_value, *others, key=None, default=_marker):
+    """Returns both the smallest and largest items in an iterable
+    or the largest of two or more arguments.
+
+        >>> minmax([3, 1, 5])
+        (1, 5)
+
+        >>> minmax(4, 2, 6)
+        (2, 6)
+
+    If a *key* function is provided, it will be used to transform the input
+    items for comparison.
+
+        >>> minmax([5, 30], key=str)  # '30' sorts before '5'
+        (30, 5)
+
+    If a *default* value is provided, it will be returned if there are no
+    input items.
+
+        >>> minmax([], default=(0, 0))
+        (0, 0)
+
+    Otherwise ``ValueError`` is raised.
+
+    This function is based on the
+    `recipe <http://code.activestate.com/recipes/577916/>`__ by
+    Raymond Hettinger and takes care to minimize the number of comparisons
+    performed.
+    """
+    iterable = (iterable_or_value, *others) if others else iterable_or_value
+
+    it = iter(iterable)
+
+    try:
+        lo = hi = next(it)
+    except StopIteration as e:
+        if default is _marker:
+            raise ValueError(
+                '`minmax()` argument is an empty iterable. '
+                'Provide a `default` value to suppress this error.'
+            ) from e
+        return default
+
+    # Different branches depending on the presence of key. This saves a lot
+    # of unimportant copies which would slow the "key=None" branch
+    # significantly down.
+    if key is None:
+        for x, y in zip_longest(it, it, fillvalue=lo):
+            if y < x:
+                x, y = y, x
+            if x < lo:
+                lo = x
+            if hi < y:
+                hi = y
+
+    else:
+        lo_key = hi_key = key(lo)
+
+        for x, y in zip_longest(it, it, fillvalue=lo):
+
+            x_key, y_key = key(x), key(y)
+
+            if y_key < x_key:
+                x, y, x_key, y_key = y, x, y_key, x_key
+            if x_key < lo_key:
+                lo, lo_key = x, x_key
+            if hi_key < y_key:
+                hi, hi_key = y, y_key
+
+    return lo, hi
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/recipes.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/recipes.py
new file mode 100644
index 00000000..a2596423
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/more_itertools/recipes.py
@@ -0,0 +1,698 @@
+"""Imported from the recipes section of the itertools documentation.
+
+All functions taken from the recipes section of the itertools library docs
+[1]_.
+Some backward-compatible usability improvements have been made.
+
+.. [1] http://docs.python.org/library/itertools.html#recipes
+
+"""
+import warnings
+from collections import deque
+from itertools import (
+    chain,
+    combinations,
+    count,
+    cycle,
+    groupby,
+    islice,
+    repeat,
+    starmap,
+    tee,
+    zip_longest,
+)
+import operator
+from random import randrange, sample, choice
+
+__all__ = [
+    'all_equal',
+    'before_and_after',
+    'consume',
+    'convolve',
+    'dotproduct',
+    'first_true',
+    'flatten',
+    'grouper',
+    'iter_except',
+    'ncycles',
+    'nth',
+    'nth_combination',
+    'padnone',
+    'pad_none',
+    'pairwise',
+    'partition',
+    'powerset',
+    'prepend',
+    'quantify',
+    'random_combination_with_replacement',
+    'random_combination',
+    'random_permutation',
+    'random_product',
+    'repeatfunc',
+    'roundrobin',
+    'sliding_window',
+    'tabulate',
+    'tail',
+    'take',
+    'triplewise',
+    'unique_everseen',
+    'unique_justseen',
+]
+
+
+def take(n, iterable):
+    """Return first *n* items of the iterable as a list.
+
+        >>> take(3, range(10))
+        [0, 1, 2]
+
+    If there are fewer than *n* items in the iterable, all of them are
+    returned.
+
+        >>> take(10, range(3))
+        [0, 1, 2]
+
+    """
+    return list(islice(iterable, n))
+
+
+def tabulate(function, start=0):
+    """Return an iterator over the results of ``func(start)``,
+    ``func(start + 1)``, ``func(start + 2)``...
+
+    *func* should be a function that accepts one integer argument.
+
+    If *start* is not specified it defaults to 0. It will be incremented each
+    time the iterator is advanced.
+
+        >>> square = lambda x: x ** 2
+        >>> iterator = tabulate(square, -3)
+        >>> take(4, iterator)
+        [9, 4, 1, 0]
+
+    """
+    return map(function, count(start))
+
+
+def tail(n, iterable):
+    """Return an iterator over the last *n* items of *iterable*.
+
+    >>> t = tail(3, 'ABCDEFG')
+    >>> list(t)
+    ['E', 'F', 'G']
+
+    """
+    return iter(deque(iterable, maxlen=n))
+
+
+def consume(iterator, n=None):
+    """Advance *iterable* by *n* steps. If *n* is ``None``, consume it
+    entirely.
+
+    Efficiently exhausts an iterator without returning values. Defaults to
+    consuming the whole iterator, but an optional second argument may be
+    provided to limit consumption.
+
+        >>> i = (x for x in range(10))
+        >>> next(i)
+        0
+        >>> consume(i, 3)
+        >>> next(i)
+        4
+        >>> consume(i)
+        >>> next(i)
+        Traceback (most recent call last):
+          File "<stdin>", line 1, in <module>
+        StopIteration
+
+    If the iterator has fewer items remaining than the provided limit, the
+    whole iterator will be consumed.
+
+        >>> i = (x for x in range(3))
+        >>> consume(i, 5)
+        >>> next(i)
+        Traceback (most recent call last):
+          File "<stdin>", line 1, in <module>
+        StopIteration
+
+    """
+    # Use functions that consume iterators at C speed.
+    if n is None:
+        # feed the entire iterator into a zero-length deque
+        deque(iterator, maxlen=0)
+    else:
+        # advance to the empty slice starting at position n
+        next(islice(iterator, n, n), None)
+
+
+def nth(iterable, n, default=None):
+    """Returns the nth item or a default value.
+
+    >>> l = range(10)
+    >>> nth(l, 3)
+    3
+    >>> nth(l, 20, "zebra")
+    'zebra'
+
+    """
+    return next(islice(iterable, n, None), default)
+
+
+def all_equal(iterable):
+    """
+    Returns ``True`` if all the elements are equal to each other.
+
+        >>> all_equal('aaaa')
+        True
+        >>> all_equal('aaab')
+        False
+
+    """
+    g = groupby(iterable)
+    return next(g, True) and not next(g, False)
+
+
+def quantify(iterable, pred=bool):
+    """Return the how many times the predicate is true.
+
+    >>> quantify([True, False, True])
+    2
+
+    """
+    return sum(map(pred, iterable))
+
+
+def pad_none(iterable):
+    """Returns the sequence of elements and then returns ``None`` indefinitely.
+
+        >>> take(5, pad_none(range(3)))
+        [0, 1, 2, None, None]
+
+    Useful for emulating the behavior of the built-in :func:`map` function.
+
+    See also :func:`padded`.
+
+    """
+    return chain(iterable, repeat(None))
+
+
+padnone = pad_none
+
+
+def ncycles(iterable, n):
+    """Returns the sequence elements *n* times
+
+    >>> list(ncycles(["a", "b"], 3))
+    ['a', 'b', 'a', 'b', 'a', 'b']
+
+    """
+    return chain.from_iterable(repeat(tuple(iterable), n))
+
+
+def dotproduct(vec1, vec2):
+    """Returns the dot product of the two iterables.
+
+    >>> dotproduct([10, 10], [20, 20])
+    400
+
+    """
+    return sum(map(operator.mul, vec1, vec2))
+
+
+def flatten(listOfLists):
+    """Return an iterator flattening one level of nesting in a list of lists.
+
+        >>> list(flatten([[0, 1], [2, 3]]))
+        [0, 1, 2, 3]
+
+    See also :func:`collapse`, which can flatten multiple levels of nesting.
+
+    """
+    return chain.from_iterable(listOfLists)
+
+
+def repeatfunc(func, times=None, *args):
+    """Call *func* with *args* repeatedly, returning an iterable over the
+    results.
+
+    If *times* is specified, the iterable will terminate after that many
+    repetitions:
+
+        >>> from operator import add
+        >>> times = 4
+        >>> args = 3, 5
+        >>> list(repeatfunc(add, times, *args))
+        [8, 8, 8, 8]
+
+    If *times* is ``None`` the iterable will not terminate:
+
+        >>> from random import randrange
+        >>> times = None
+        >>> args = 1, 11
+        >>> take(6, repeatfunc(randrange, times, *args))  # doctest:+SKIP
+        [2, 4, 8, 1, 8, 4]
+
+    """
+    if times is None:
+        return starmap(func, repeat(args))
+    return starmap(func, repeat(args, times))
+
+
+def _pairwise(iterable):
+    """Returns an iterator of paired items, overlapping, from the original
+
+    >>> take(4, pairwise(count()))
+    [(0, 1), (1, 2), (2, 3), (3, 4)]
+
+    On Python 3.10 and above, this is an alias for :func:`itertools.pairwise`.
+
+    """
+    a, b = tee(iterable)
+    next(b, None)
+    yield from zip(a, b)
+
+
+try:
+    from itertools import pairwise as itertools_pairwise
+except ImportError:
+    pairwise = _pairwise
+else:
+
+    def pairwise(iterable):
+        yield from itertools_pairwise(iterable)
+
+    pairwise.__doc__ = _pairwise.__doc__
+
+
+def grouper(iterable, n, fillvalue=None):
+    """Collect data into fixed-length chunks or blocks.
+
+    >>> list(grouper('ABCDEFG', 3, 'x'))
+    [('A', 'B', 'C'), ('D', 'E', 'F'), ('G', 'x', 'x')]
+
+    """
+    if isinstance(iterable, int):
+        warnings.warn(
+            "grouper expects iterable as first parameter", DeprecationWarning
+        )
+        n, iterable = iterable, n
+    args = [iter(iterable)] * n
+    return zip_longest(fillvalue=fillvalue, *args)
+
+
+def roundrobin(*iterables):
+    """Yields an item from each iterable, alternating between them.
+
+        >>> list(roundrobin('ABC', 'D', 'EF'))
+        ['A', 'D', 'E', 'B', 'F', 'C']
+
+    This function produces the same output as :func:`interleave_longest`, but
+    may perform better for some inputs (in particular when the number of
+    iterables is small).
+
+    """
+    # Recipe credited to George Sakkis
+    pending = len(iterables)
+    nexts = cycle(iter(it).__next__ for it in iterables)
+    while pending:
+        try:
+            for next in nexts:
+                yield next()
+        except StopIteration:
+            pending -= 1
+            nexts = cycle(islice(nexts, pending))
+
+
+def partition(pred, iterable):
+    """
+    Returns a 2-tuple of iterables derived from the input iterable.
+    The first yields the items that have ``pred(item) == False``.
+    The second yields the items that have ``pred(item) == True``.
+
+        >>> is_odd = lambda x: x % 2 != 0
+        >>> iterable = range(10)
+        >>> even_items, odd_items = partition(is_odd, iterable)
+        >>> list(even_items), list(odd_items)
+        ([0, 2, 4, 6, 8], [1, 3, 5, 7, 9])
+
+    If *pred* is None, :func:`bool` is used.
+
+        >>> iterable = [0, 1, False, True, '', ' ']
+        >>> false_items, true_items = partition(None, iterable)
+        >>> list(false_items), list(true_items)
+        ([0, False, ''], [1, True, ' '])
+
+    """
+    if pred is None:
+        pred = bool
+
+    evaluations = ((pred(x), x) for x in iterable)
+    t1, t2 = tee(evaluations)
+    return (
+        (x for (cond, x) in t1 if not cond),
+        (x for (cond, x) in t2 if cond),
+    )
+
+
+def powerset(iterable):
+    """Yields all possible subsets of the iterable.
+
+        >>> list(powerset([1, 2, 3]))
+        [(), (1,), (2,), (3,), (1, 2), (1, 3), (2, 3), (1, 2, 3)]
+
+    :func:`powerset` will operate on iterables that aren't :class:`set`
+    instances, so repeated elements in the input will produce repeated elements
+    in the output. Use :func:`unique_everseen` on the input to avoid generating
+    duplicates:
+
+        >>> seq = [1, 1, 0]
+        >>> list(powerset(seq))
+        [(), (1,), (1,), (0,), (1, 1), (1, 0), (1, 0), (1, 1, 0)]
+        >>> from more_itertools import unique_everseen
+        >>> list(powerset(unique_everseen(seq)))
+        [(), (1,), (0,), (1, 0)]
+
+    """
+    s = list(iterable)
+    return chain.from_iterable(combinations(s, r) for r in range(len(s) + 1))
+
+
+def unique_everseen(iterable, key=None):
+    """
+    Yield unique elements, preserving order.
+
+        >>> list(unique_everseen('AAAABBBCCDAABBB'))
+        ['A', 'B', 'C', 'D']
+        >>> list(unique_everseen('ABBCcAD', str.lower))
+        ['A', 'B', 'C', 'D']
+
+    Sequences with a mix of hashable and unhashable items can be used.
+    The function will be slower (i.e., `O(n^2)`) for unhashable items.
+
+    Remember that ``list`` objects are unhashable - you can use the *key*
+    parameter to transform the list to a tuple (which is hashable) to
+    avoid a slowdown.
+
+        >>> iterable = ([1, 2], [2, 3], [1, 2])
+        >>> list(unique_everseen(iterable))  # Slow
+        [[1, 2], [2, 3]]
+        >>> list(unique_everseen(iterable, key=tuple))  # Faster
+        [[1, 2], [2, 3]]
+
+    Similary, you may want to convert unhashable ``set`` objects with
+    ``key=frozenset``. For ``dict`` objects,
+    ``key=lambda x: frozenset(x.items())`` can be used.
+
+    """
+    seenset = set()
+    seenset_add = seenset.add
+    seenlist = []
+    seenlist_add = seenlist.append
+    use_key = key is not None
+
+    for element in iterable:
+        k = key(element) if use_key else element
+        try:
+            if k not in seenset:
+                seenset_add(k)
+                yield element
+        except TypeError:
+            if k not in seenlist:
+                seenlist_add(k)
+                yield element
+
+
+def unique_justseen(iterable, key=None):
+    """Yields elements in order, ignoring serial duplicates
+
+    >>> list(unique_justseen('AAAABBBCCDAABBB'))
+    ['A', 'B', 'C', 'D', 'A', 'B']
+    >>> list(unique_justseen('ABBCcAD', str.lower))
+    ['A', 'B', 'C', 'A', 'D']
+
+    """
+    return map(next, map(operator.itemgetter(1), groupby(iterable, key)))
+
+
+def iter_except(func, exception, first=None):
+    """Yields results from a function repeatedly until an exception is raised.
+
+    Converts a call-until-exception interface to an iterator interface.
+    Like ``iter(func, sentinel)``, but uses an exception instead of a sentinel
+    to end the loop.
+
+        >>> l = [0, 1, 2]
+        >>> list(iter_except(l.pop, IndexError))
+        [2, 1, 0]
+
+    Multiple exceptions can be specified as a stopping condition:
+
+        >>> l = [1, 2, 3, '...', 4, 5, 6]
+        >>> list(iter_except(lambda: 1 + l.pop(), (IndexError, TypeError)))
+        [7, 6, 5]
+        >>> list(iter_except(lambda: 1 + l.pop(), (IndexError, TypeError)))
+        [4, 3, 2]
+        >>> list(iter_except(lambda: 1 + l.pop(), (IndexError, TypeError)))
+        []
+
+    """
+    try:
+        if first is not None:
+            yield first()
+        while 1:
+            yield func()
+    except exception:
+        pass
+
+
+def first_true(iterable, default=None, pred=None):
+    """
+    Returns the first true value in the iterable.
+
+    If no true value is found, returns *default*
+
+    If *pred* is not None, returns the first item for which
+    ``pred(item) == True`` .
+
+        >>> first_true(range(10))
+        1
+        >>> first_true(range(10), pred=lambda x: x > 5)
+        6
+        >>> first_true(range(10), default='missing', pred=lambda x: x > 9)
+        'missing'
+
+    """
+    return next(filter(pred, iterable), default)
+
+
+def random_product(*args, repeat=1):
+    """Draw an item at random from each of the input iterables.
+
+        >>> random_product('abc', range(4), 'XYZ')  # doctest:+SKIP
+        ('c', 3, 'Z')
+
+    If *repeat* is provided as a keyword argument, that many items will be
+    drawn from each iterable.
+
+        >>> random_product('abcd', range(4), repeat=2)  # doctest:+SKIP
+        ('a', 2, 'd', 3)
+
+    This equivalent to taking a random selection from
+    ``itertools.product(*args, **kwarg)``.
+
+    """
+    pools = [tuple(pool) for pool in args] * repeat
+    return tuple(choice(pool) for pool in pools)
+
+
+def random_permutation(iterable, r=None):
+    """Return a random *r* length permutation of the elements in *iterable*.
+
+    If *r* is not specified or is ``None``, then *r* defaults to the length of
+    *iterable*.
+
+        >>> random_permutation(range(5))  # doctest:+SKIP
+        (3, 4, 0, 1, 2)
+
+    This equivalent to taking a random selection from
+    ``itertools.permutations(iterable, r)``.
+
+    """
+    pool = tuple(iterable)
+    r = len(pool) if r is None else r
+    return tuple(sample(pool, r))
+
+
+def random_combination(iterable, r):
+    """Return a random *r* length subsequence of the elements in *iterable*.
+
+        >>> random_combination(range(5), 3)  # doctest:+SKIP
+        (2, 3, 4)
+
+    This equivalent to taking a random selection from
+    ``itertools.combinations(iterable, r)``.
+
+    """
+    pool = tuple(iterable)
+    n = len(pool)
+    indices = sorted(sample(range(n), r))
+    return tuple(pool[i] for i in indices)
+
+
+def random_combination_with_replacement(iterable, r):
+    """Return a random *r* length subsequence of elements in *iterable*,
+    allowing individual elements to be repeated.
+
+        >>> random_combination_with_replacement(range(3), 5) # doctest:+SKIP
+        (0, 0, 1, 2, 2)
+
+    This equivalent to taking a random selection from
+    ``itertools.combinations_with_replacement(iterable, r)``.
+
+    """
+    pool = tuple(iterable)
+    n = len(pool)
+    indices = sorted(randrange(n) for i in range(r))
+    return tuple(pool[i] for i in indices)
+
+
+def nth_combination(iterable, r, index):
+    """Equivalent to ``list(combinations(iterable, r))[index]``.
+
+    The subsequences of *iterable* that are of length *r* can be ordered
+    lexicographically. :func:`nth_combination` computes the subsequence at
+    sort position *index* directly, without computing the previous
+    subsequences.
+
+        >>> nth_combination(range(5), 3, 5)
+        (0, 3, 4)
+
+    ``ValueError`` will be raised If *r* is negative or greater than the length
+    of *iterable*.
+    ``IndexError`` will be raised if the given *index* is invalid.
+    """
+    pool = tuple(iterable)
+    n = len(pool)
+    if (r < 0) or (r > n):
+        raise ValueError
+
+    c = 1
+    k = min(r, n - r)
+    for i in range(1, k + 1):
+        c = c * (n - k + i) // i
+
+    if index < 0:
+        index += c
+
+    if (index < 0) or (index >= c):
+        raise IndexError
+
+    result = []
+    while r:
+        c, n, r = c * r // n, n - 1, r - 1
+        while index >= c:
+            index -= c
+            c, n = c * (n - r) // n, n - 1
+        result.append(pool[-1 - n])
+
+    return tuple(result)
+
+
+def prepend(value, iterator):
+    """Yield *value*, followed by the elements in *iterator*.
+
+        >>> value = '0'
+        >>> iterator = ['1', '2', '3']
+        >>> list(prepend(value, iterator))
+        ['0', '1', '2', '3']
+
+    To prepend multiple values, see :func:`itertools.chain`
+    or :func:`value_chain`.
+
+    """
+    return chain([value], iterator)
+
+
+def convolve(signal, kernel):
+    """Convolve the iterable *signal* with the iterable *kernel*.
+
+        >>> signal = (1, 2, 3, 4, 5)
+        >>> kernel = [3, 2, 1]
+        >>> list(convolve(signal, kernel))
+        [3, 8, 14, 20, 26, 14, 5]
+
+    Note: the input arguments are not interchangeable, as the *kernel*
+    is immediately consumed and stored.
+
+    """
+    kernel = tuple(kernel)[::-1]
+    n = len(kernel)
+    window = deque([0], maxlen=n) * n
+    for x in chain(signal, repeat(0, n - 1)):
+        window.append(x)
+        yield sum(map(operator.mul, kernel, window))
+
+
+def before_and_after(predicate, it):
+    """A variant of :func:`takewhile` that allows complete access to the
+    remainder of the iterator.
+
+         >>> it = iter('ABCdEfGhI')
+         >>> all_upper, remainder = before_and_after(str.isupper, it)
+         >>> ''.join(all_upper)
+         'ABC'
+         >>> ''.join(remainder) # takewhile() would lose the 'd'
+         'dEfGhI'
+
+    Note that the first iterator must be fully consumed before the second
+    iterator can generate valid results.
+    """
+    it = iter(it)
+    transition = []
+
+    def true_iterator():
+        for elem in it:
+            if predicate(elem):
+                yield elem
+            else:
+                transition.append(elem)
+                return
+
+    def remainder_iterator():
+        yield from transition
+        yield from it
+
+    return true_iterator(), remainder_iterator()
+
+
+def triplewise(iterable):
+    """Return overlapping triplets from *iterable*.
+
+    >>> list(triplewise('ABCDE'))
+    [('A', 'B', 'C'), ('B', 'C', 'D'), ('C', 'D', 'E')]
+
+    """
+    for (a, _), (b, c) in pairwise(pairwise(iterable)):
+        yield a, b, c
+
+
+def sliding_window(iterable, n):
+    """Return a sliding window of width *n* over *iterable*.
+
+        >>> list(sliding_window(range(6), 4))
+        [(0, 1, 2, 3), (1, 2, 3, 4), (2, 3, 4, 5)]
+
+    If *iterable* has fewer than *n* items, then nothing is yielded:
+
+        >>> list(sliding_window(range(3), 4))
+        []
+
+    For a variant with more features, see :func:`windowed`.
+    """
+    it = iter(iterable)
+    window = deque(islice(it, n), maxlen=n)
+    if len(window) == n:
+        yield tuple(window)
+    for x in it:
+        window.append(x)
+        yield tuple(window)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/__about__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/__about__.py
new file mode 100644
index 00000000..3551bc2d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/__about__.py
@@ -0,0 +1,26 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
+
+__title__ = "packaging"
+__summary__ = "Core utilities for Python packages"
+__uri__ = "https://github.com/pypa/packaging"
+
+__version__ = "21.3"
+
+__author__ = "Donald Stufft and individual contributors"
+__email__ = "donald@stufft.io"
+
+__license__ = "BSD-2-Clause or Apache-2.0"
+__copyright__ = "2014-2019 %s" % __author__
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/__init__.py
new file mode 100644
index 00000000..3c50c5dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/__init__.py
@@ -0,0 +1,25 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from .__about__ import (
+    __author__,
+    __copyright__,
+    __email__,
+    __license__,
+    __summary__,
+    __title__,
+    __uri__,
+    __version__,
+)
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_manylinux.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_manylinux.py
new file mode 100644
index 00000000..4c379aa6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_manylinux.py
@@ -0,0 +1,301 @@
+import collections
+import functools
+import os
+import re
+import struct
+import sys
+import warnings
+from typing import IO, Dict, Iterator, NamedTuple, Optional, Tuple
+
+
+# Python does not provide platform information at sufficient granularity to
+# identify the architecture of the running executable in some cases, so we
+# determine it dynamically by reading the information from the running
+# process. This only applies on Linux, which uses the ELF format.
+class _ELFFileHeader:
+    # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header
+    class _InvalidELFFileHeader(ValueError):
+        """
+        An invalid ELF file header was found.
+        """
+
+    ELF_MAGIC_NUMBER = 0x7F454C46
+    ELFCLASS32 = 1
+    ELFCLASS64 = 2
+    ELFDATA2LSB = 1
+    ELFDATA2MSB = 2
+    EM_386 = 3
+    EM_S390 = 22
+    EM_ARM = 40
+    EM_X86_64 = 62
+    EF_ARM_ABIMASK = 0xFF000000
+    EF_ARM_ABI_VER5 = 0x05000000
+    EF_ARM_ABI_FLOAT_HARD = 0x00000400
+
+    def __init__(self, file: IO[bytes]) -> None:
+        def unpack(fmt: str) -> int:
+            try:
+                data = file.read(struct.calcsize(fmt))
+                result: Tuple[int, ...] = struct.unpack(fmt, data)
+            except struct.error:
+                raise _ELFFileHeader._InvalidELFFileHeader()
+            return result[0]
+
+        self.e_ident_magic = unpack(">I")
+        if self.e_ident_magic != self.ELF_MAGIC_NUMBER:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_class = unpack("B")
+        if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_data = unpack("B")
+        if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_version = unpack("B")
+        self.e_ident_osabi = unpack("B")
+        self.e_ident_abiversion = unpack("B")
+        self.e_ident_pad = file.read(7)
+        format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H"
+        format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I"
+        format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q"
+        format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q
+        self.e_type = unpack(format_h)
+        self.e_machine = unpack(format_h)
+        self.e_version = unpack(format_i)
+        self.e_entry = unpack(format_p)
+        self.e_phoff = unpack(format_p)
+        self.e_shoff = unpack(format_p)
+        self.e_flags = unpack(format_i)
+        self.e_ehsize = unpack(format_h)
+        self.e_phentsize = unpack(format_h)
+        self.e_phnum = unpack(format_h)
+        self.e_shentsize = unpack(format_h)
+        self.e_shnum = unpack(format_h)
+        self.e_shstrndx = unpack(format_h)
+
+
+def _get_elf_header() -> Optional[_ELFFileHeader]:
+    try:
+        with open(sys.executable, "rb") as f:
+            elf_header = _ELFFileHeader(f)
+    except (OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader):
+        return None
+    return elf_header
+
+
+def _is_linux_armhf() -> bool:
+    # hard-float ABI can be detected from the ELF header of the running
+    # process
+    # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_ARM
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABIMASK
+    ) == elf_header.EF_ARM_ABI_VER5
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD
+    ) == elf_header.EF_ARM_ABI_FLOAT_HARD
+    return result
+
+
+def _is_linux_i686() -> bool:
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_386
+    return result
+
+
+def _have_compatible_abi(arch: str) -> bool:
+    if arch == "armv7l":
+        return _is_linux_armhf()
+    if arch == "i686":
+        return _is_linux_i686()
+    return arch in {"x86_64", "aarch64", "ppc64", "ppc64le", "s390x"}
+
+
+# If glibc ever changes its major version, we need to know what the last
+# minor version was, so we can build the complete list of all versions.
+# For now, guess what the highest minor version might be, assume it will
+# be 50 for testing. Once this actually happens, update the dictionary
+# with the actual value.
+_LAST_GLIBC_MINOR: Dict[int, int] = collections.defaultdict(lambda: 50)
+
+
+class _GLibCVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _glibc_version_string_confstr() -> Optional[str]:
+    """
+    Primary implementation of glibc_version_string using os.confstr.
+    """
+    # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
+    # to be broken or missing. This strategy is used in the standard library
+    # platform module.
+    # https://github.com/python/cpython/blob/fcf1d003bf4f0100c/Lib/platform.py#L175-L183
+    try:
+        # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17".
+        version_string = os.confstr("CS_GNU_LIBC_VERSION")
+        assert version_string is not None
+        _, version = version_string.split()
+    except (AssertionError, AttributeError, OSError, ValueError):
+        # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
+        return None
+    return version
+
+
+def _glibc_version_string_ctypes() -> Optional[str]:
+    """
+    Fallback implementation of glibc_version_string using ctypes.
+    """
+    try:
+        import ctypes
+    except ImportError:
+        return None
+
+    # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
+    # manpage says, "If filename is NULL, then the returned handle is for the
+    # main program". This way we can let the linker do the work to figure out
+    # which libc our process is actually using.
+    #
+    # We must also handle the special case where the executable is not a
+    # dynamically linked executable. This can occur when using musl libc,
+    # for example. In this situation, dlopen() will error, leading to an
+    # OSError. Interestingly, at least in the case of musl, there is no
+    # errno set on the OSError. The single string argument used to construct
+    # OSError comes from libc itself and is therefore not portable to
+    # hard code here. In any case, failure to call dlopen() means we
+    # can proceed, so we bail on our attempt.
+    try:
+        process_namespace = ctypes.CDLL(None)
+    except OSError:
+        return None
+
+    try:
+        gnu_get_libc_version = process_namespace.gnu_get_libc_version
+    except AttributeError:
+        # Symbol doesn't exist -> therefore, we are not linked to
+        # glibc.
+        return None
+
+    # Call gnu_get_libc_version, which returns a string like "2.5"
+    gnu_get_libc_version.restype = ctypes.c_char_p
+    version_str: str = gnu_get_libc_version()
+    # py2 / py3 compatibility:
+    if not isinstance(version_str, str):
+        version_str = version_str.decode("ascii")
+
+    return version_str
+
+
+def _glibc_version_string() -> Optional[str]:
+    """Returns glibc version string, or None if not using glibc."""
+    return _glibc_version_string_confstr() or _glibc_version_string_ctypes()
+
+
+def _parse_glibc_version(version_str: str) -> Tuple[int, int]:
+    """Parse glibc version.
+
+    We use a regexp instead of str.split because we want to discard any
+    random junk that might come after the minor version -- this might happen
+    in patched/forked versions of glibc (e.g. Linaro's version of glibc
+    uses version strings like "2.20-2014.11"). See gh-3588.
+    """
+    m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str)
+    if not m:
+        warnings.warn(
+            "Expected glibc version with 2 components major.minor,"
+            " got: %s" % version_str,
+            RuntimeWarning,
+        )
+        return -1, -1
+    return int(m.group("major")), int(m.group("minor"))
+
+
+@functools.lru_cache()
+def _get_glibc_version() -> Tuple[int, int]:
+    version_str = _glibc_version_string()
+    if version_str is None:
+        return (-1, -1)
+    return _parse_glibc_version(version_str)
+
+
+# From PEP 513, PEP 600
+def _is_compatible(name: str, arch: str, version: _GLibCVersion) -> bool:
+    sys_glibc = _get_glibc_version()
+    if sys_glibc < version:
+        return False
+    # Check for presence of _manylinux module.
+    try:
+        import _manylinux  # noqa
+    except ImportError:
+        return True
+    if hasattr(_manylinux, "manylinux_compatible"):
+        result = _manylinux.manylinux_compatible(version[0], version[1], arch)
+        if result is not None:
+            return bool(result)
+        return True
+    if version == _GLibCVersion(2, 5):
+        if hasattr(_manylinux, "manylinux1_compatible"):
+            return bool(_manylinux.manylinux1_compatible)
+    if version == _GLibCVersion(2, 12):
+        if hasattr(_manylinux, "manylinux2010_compatible"):
+            return bool(_manylinux.manylinux2010_compatible)
+    if version == _GLibCVersion(2, 17):
+        if hasattr(_manylinux, "manylinux2014_compatible"):
+            return bool(_manylinux.manylinux2014_compatible)
+    return True
+
+
+_LEGACY_MANYLINUX_MAP = {
+    # CentOS 7 w/ glibc 2.17 (PEP 599)
+    (2, 17): "manylinux2014",
+    # CentOS 6 w/ glibc 2.12 (PEP 571)
+    (2, 12): "manylinux2010",
+    # CentOS 5 w/ glibc 2.5 (PEP 513)
+    (2, 5): "manylinux1",
+}
+
+
+def platform_tags(linux: str, arch: str) -> Iterator[str]:
+    if not _have_compatible_abi(arch):
+        return
+    # Oldest glibc to be supported regardless of architecture is (2, 17).
+    too_old_glibc2 = _GLibCVersion(2, 16)
+    if arch in {"x86_64", "i686"}:
+        # On x86/i686 also oldest glibc to be supported is (2, 5).
+        too_old_glibc2 = _GLibCVersion(2, 4)
+    current_glibc = _GLibCVersion(*_get_glibc_version())
+    glibc_max_list = [current_glibc]
+    # We can assume compatibility across glibc major versions.
+    # https://sourceware.org/bugzilla/show_bug.cgi?id=24636
+    #
+    # Build a list of maximum glibc versions so that we can
+    # output the canonical list of all glibc from current_glibc
+    # down to too_old_glibc2, including all intermediary versions.
+    for glibc_major in range(current_glibc.major - 1, 1, -1):
+        glibc_minor = _LAST_GLIBC_MINOR[glibc_major]
+        glibc_max_list.append(_GLibCVersion(glibc_major, glibc_minor))
+    for glibc_max in glibc_max_list:
+        if glibc_max.major == too_old_glibc2.major:
+            min_minor = too_old_glibc2.minor
+        else:
+            # For other glibc major versions oldest supported is (x, 0).
+            min_minor = -1
+        for glibc_minor in range(glibc_max.minor, min_minor, -1):
+            glibc_version = _GLibCVersion(glibc_max.major, glibc_minor)
+            tag = "manylinux_{}_{}".format(*glibc_version)
+            if _is_compatible(tag, arch, glibc_version):
+                yield linux.replace("linux", tag)
+            # Handle the legacy manylinux1, manylinux2010, manylinux2014 tags.
+            if glibc_version in _LEGACY_MANYLINUX_MAP:
+                legacy_tag = _LEGACY_MANYLINUX_MAP[glibc_version]
+                if _is_compatible(legacy_tag, arch, glibc_version):
+                    yield linux.replace("linux", legacy_tag)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_musllinux.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_musllinux.py
new file mode 100644
index 00000000..8ac3059b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_musllinux.py
@@ -0,0 +1,136 @@
+"""PEP 656 support.
+
+This module implements logic to detect if the currently running Python is
+linked against musl, and what musl version is used.
+"""
+
+import contextlib
+import functools
+import operator
+import os
+import re
+import struct
+import subprocess
+import sys
+from typing import IO, Iterator, NamedTuple, Optional, Tuple
+
+
+def _read_unpacked(f: IO[bytes], fmt: str) -> Tuple[int, ...]:
+    return struct.unpack(fmt, f.read(struct.calcsize(fmt)))
+
+
+def _parse_ld_musl_from_elf(f: IO[bytes]) -> Optional[str]:
+    """Detect musl libc location by parsing the Python executable.
+
+    Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca
+    ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html
+    """
+    f.seek(0)
+    try:
+        ident = _read_unpacked(f, "16B")
+    except struct.error:
+        return None
+    if ident[:4] != tuple(b"\x7fELF"):  # Invalid magic, not ELF.
+        return None
+    f.seek(struct.calcsize("HHI"), 1)  # Skip file type, machine, and version.
+
+    try:
+        # e_fmt: Format for program header.
+        # p_fmt: Format for section header.
+        # p_idx: Indexes to find p_type, p_offset, and p_filesz.
+        e_fmt, p_fmt, p_idx = {
+            1: ("IIIIHHH", "IIIIIIII", (0, 1, 4)),  # 32-bit.
+            2: ("QQQIHHH", "IIQQQQQQ", (0, 2, 5)),  # 64-bit.
+        }[ident[4]]
+    except KeyError:
+        return None
+    else:
+        p_get = operator.itemgetter(*p_idx)
+
+    # Find the interpreter section and return its content.
+    try:
+        _, e_phoff, _, _, _, e_phentsize, e_phnum = _read_unpacked(f, e_fmt)
+    except struct.error:
+        return None
+    for i in range(e_phnum + 1):
+        f.seek(e_phoff + e_phentsize * i)
+        try:
+            p_type, p_offset, p_filesz = p_get(_read_unpacked(f, p_fmt))
+        except struct.error:
+            return None
+        if p_type != 3:  # Not PT_INTERP.
+            continue
+        f.seek(p_offset)
+        interpreter = os.fsdecode(f.read(p_filesz)).strip("\0")
+        if "musl" not in interpreter:
+            return None
+        return interpreter
+    return None
+
+
+class _MuslVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _parse_musl_version(output: str) -> Optional[_MuslVersion]:
+    lines = [n for n in (n.strip() for n in output.splitlines()) if n]
+    if len(lines) < 2 or lines[0][:4] != "musl":
+        return None
+    m = re.match(r"Version (\d+)\.(\d+)", lines[1])
+    if not m:
+        return None
+    return _MuslVersion(major=int(m.group(1)), minor=int(m.group(2)))
+
+
+@functools.lru_cache()
+def _get_musl_version(executable: str) -> Optional[_MuslVersion]:
+    """Detect currently-running musl runtime version.
+
+    This is done by checking the specified executable's dynamic linking
+    information, and invoking the loader to parse its output for a version
+    string. If the loader is musl, the output would be something like::
+
+        musl libc (x86_64)
+        Version 1.2.2
+        Dynamic Program Loader
+    """
+    with contextlib.ExitStack() as stack:
+        try:
+            f = stack.enter_context(open(executable, "rb"))
+        except OSError:
+            return None
+        ld = _parse_ld_musl_from_elf(f)
+    if not ld:
+        return None
+    proc = subprocess.run([ld], stderr=subprocess.PIPE, universal_newlines=True)
+    return _parse_musl_version(proc.stderr)
+
+
+def platform_tags(arch: str) -> Iterator[str]:
+    """Generate musllinux tags compatible to the current platform.
+
+    :param arch: Should be the part of platform tag after the ``linux_``
+        prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a
+        prerequisite for the current platform to be musllinux-compatible.
+
+    :returns: An iterator of compatible musllinux tags.
+    """
+    sys_musl = _get_musl_version(sys.executable)
+    if sys_musl is None:  # Python not dynamically linked against musl.
+        return
+    for minor in range(sys_musl.minor, -1, -1):
+        yield f"musllinux_{sys_musl.major}_{minor}_{arch}"
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sysconfig
+
+    plat = sysconfig.get_platform()
+    assert plat.startswith("linux-"), "not linux"
+
+    print("plat:", plat)
+    print("musl:", _get_musl_version(sys.executable))
+    print("tags:", end=" ")
+    for t in platform_tags(re.sub(r"[.-]", "_", plat.split("-", 1)[-1])):
+        print(t, end="\n      ")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_structures.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_structures.py
new file mode 100644
index 00000000..90a6465f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/_structures.py
@@ -0,0 +1,61 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+
+class InfinityType:
+    def __repr__(self) -> str:
+        return "Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return False
+
+    def __le__(self, other: object) -> bool:
+        return False
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return True
+
+    def __ge__(self, other: object) -> bool:
+        return True
+
+    def __neg__(self: object) -> "NegativeInfinityType":
+        return NegativeInfinity
+
+
+Infinity = InfinityType()
+
+
+class NegativeInfinityType:
+    def __repr__(self) -> str:
+        return "-Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return True
+
+    def __le__(self, other: object) -> bool:
+        return True
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return False
+
+    def __ge__(self, other: object) -> bool:
+        return False
+
+    def __neg__(self: object) -> InfinityType:
+        return Infinity
+
+
+NegativeInfinity = NegativeInfinityType()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/markers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/markers.py
new file mode 100644
index 00000000..18769b09
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/markers.py
@@ -0,0 +1,304 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import operator
+import os
+import platform
+import sys
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
+
+from pkg_resources.extern.pyparsing import (  # noqa: N817
+    Forward,
+    Group,
+    Literal as L,
+    ParseException,
+    ParseResults,
+    QuotedString,
+    ZeroOrMore,
+    stringEnd,
+    stringStart,
+)
+
+from .specifiers import InvalidSpecifier, Specifier
+
+__all__ = [
+    "InvalidMarker",
+    "UndefinedComparison",
+    "UndefinedEnvironmentName",
+    "Marker",
+    "default_environment",
+]
+
+Operator = Callable[[str, str], bool]
+
+
+class InvalidMarker(ValueError):
+    """
+    An invalid marker was found, users should refer to PEP 508.
+    """
+
+
+class UndefinedComparison(ValueError):
+    """
+    An invalid operation was attempted on a value that doesn't support it.
+    """
+
+
+class UndefinedEnvironmentName(ValueError):
+    """
+    A name was attempted to be used that does not exist inside of the
+    environment.
+    """
+
+
+class Node:
+    def __init__(self, value: Any) -> None:
+        self.value = value
+
+    def __str__(self) -> str:
+        return str(self.value)
+
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__}('{self}')>"
+
+    def serialize(self) -> str:
+        raise NotImplementedError
+
+
+class Variable(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+class Value(Node):
+    def serialize(self) -> str:
+        return f'"{self}"'
+
+
+class Op(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+VARIABLE = (
+    L("implementation_version")
+    | L("platform_python_implementation")
+    | L("implementation_name")
+    | L("python_full_version")
+    | L("platform_release")
+    | L("platform_version")
+    | L("platform_machine")
+    | L("platform_system")
+    | L("python_version")
+    | L("sys_platform")
+    | L("os_name")
+    | L("os.name")  # PEP-345
+    | L("sys.platform")  # PEP-345
+    | L("platform.version")  # PEP-345
+    | L("platform.machine")  # PEP-345
+    | L("platform.python_implementation")  # PEP-345
+    | L("python_implementation")  # undocumented setuptools legacy
+    | L("extra")  # PEP-508
+)
+ALIASES = {
+    "os.name": "os_name",
+    "sys.platform": "sys_platform",
+    "platform.version": "platform_version",
+    "platform.machine": "platform_machine",
+    "platform.python_implementation": "platform_python_implementation",
+    "python_implementation": "platform_python_implementation",
+}
+VARIABLE.setParseAction(lambda s, l, t: Variable(ALIASES.get(t[0], t[0])))
+
+VERSION_CMP = (
+    L("===") | L("==") | L(">=") | L("<=") | L("!=") | L("~=") | L(">") | L("<")
+)
+
+MARKER_OP = VERSION_CMP | L("not in") | L("in")
+MARKER_OP.setParseAction(lambda s, l, t: Op(t[0]))
+
+MARKER_VALUE = QuotedString("'") | QuotedString('"')
+MARKER_VALUE.setParseAction(lambda s, l, t: Value(t[0]))
+
+BOOLOP = L("and") | L("or")
+
+MARKER_VAR = VARIABLE | MARKER_VALUE
+
+MARKER_ITEM = Group(MARKER_VAR + MARKER_OP + MARKER_VAR)
+MARKER_ITEM.setParseAction(lambda s, l, t: tuple(t[0]))
+
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+
+MARKER_EXPR = Forward()
+MARKER_ATOM = MARKER_ITEM | Group(LPAREN + MARKER_EXPR + RPAREN)
+MARKER_EXPR << MARKER_ATOM + ZeroOrMore(BOOLOP + MARKER_EXPR)
+
+MARKER = stringStart + MARKER_EXPR + stringEnd
+
+
+def _coerce_parse_result(results: Union[ParseResults, List[Any]]) -> List[Any]:
+    if isinstance(results, ParseResults):
+        return [_coerce_parse_result(i) for i in results]
+    else:
+        return results
+
+
+def _format_marker(
+    marker: Union[List[str], Tuple[Node, ...], str], first: Optional[bool] = True
+) -> str:
+
+    assert isinstance(marker, (list, tuple, str))
+
+    # Sometimes we have a structure like [[...]] which is a single item list
+    # where the single item is itself it's own list. In that case we want skip
+    # the rest of this function so that we don't get extraneous () on the
+    # outside.
+    if (
+        isinstance(marker, list)
+        and len(marker) == 1
+        and isinstance(marker[0], (list, tuple))
+    ):
+        return _format_marker(marker[0])
+
+    if isinstance(marker, list):
+        inner = (_format_marker(m, first=False) for m in marker)
+        if first:
+            return " ".join(inner)
+        else:
+            return "(" + " ".join(inner) + ")"
+    elif isinstance(marker, tuple):
+        return " ".join([m.serialize() for m in marker])
+    else:
+        return marker
+
+
+_operators: Dict[str, Operator] = {
+    "in": lambda lhs, rhs: lhs in rhs,
+    "not in": lambda lhs, rhs: lhs not in rhs,
+    "<": operator.lt,
+    "<=": operator.le,
+    "==": operator.eq,
+    "!=": operator.ne,
+    ">=": operator.ge,
+    ">": operator.gt,
+}
+
+
+def _eval_op(lhs: str, op: Op, rhs: str) -> bool:
+    try:
+        spec = Specifier("".join([op.serialize(), rhs]))
+    except InvalidSpecifier:
+        pass
+    else:
+        return spec.contains(lhs)
+
+    oper: Optional[Operator] = _operators.get(op.serialize())
+    if oper is None:
+        raise UndefinedComparison(f"Undefined {op!r} on {lhs!r} and {rhs!r}.")
+
+    return oper(lhs, rhs)
+
+
+class Undefined:
+    pass
+
+
+_undefined = Undefined()
+
+
+def _get_env(environment: Dict[str, str], name: str) -> str:
+    value: Union[str, Undefined] = environment.get(name, _undefined)
+
+    if isinstance(value, Undefined):
+        raise UndefinedEnvironmentName(
+            f"{name!r} does not exist in evaluation environment."
+        )
+
+    return value
+
+
+def _evaluate_markers(markers: List[Any], environment: Dict[str, str]) -> bool:
+    groups: List[List[bool]] = [[]]
+
+    for marker in markers:
+        assert isinstance(marker, (list, tuple, str))
+
+        if isinstance(marker, list):
+            groups[-1].append(_evaluate_markers(marker, environment))
+        elif isinstance(marker, tuple):
+            lhs, op, rhs = marker
+
+            if isinstance(lhs, Variable):
+                lhs_value = _get_env(environment, lhs.value)
+                rhs_value = rhs.value
+            else:
+                lhs_value = lhs.value
+                rhs_value = _get_env(environment, rhs.value)
+
+            groups[-1].append(_eval_op(lhs_value, op, rhs_value))
+        else:
+            assert marker in ["and", "or"]
+            if marker == "or":
+                groups.append([])
+
+    return any(all(item) for item in groups)
+
+
+def format_full_version(info: "sys._version_info") -> str:
+    version = "{0.major}.{0.minor}.{0.micro}".format(info)
+    kind = info.releaselevel
+    if kind != "final":
+        version += kind[0] + str(info.serial)
+    return version
+
+
+def default_environment() -> Dict[str, str]:
+    iver = format_full_version(sys.implementation.version)
+    implementation_name = sys.implementation.name
+    return {
+        "implementation_name": implementation_name,
+        "implementation_version": iver,
+        "os_name": os.name,
+        "platform_machine": platform.machine(),
+        "platform_release": platform.release(),
+        "platform_system": platform.system(),
+        "platform_version": platform.version(),
+        "python_full_version": platform.python_version(),
+        "platform_python_implementation": platform.python_implementation(),
+        "python_version": ".".join(platform.python_version_tuple()[:2]),
+        "sys_platform": sys.platform,
+    }
+
+
+class Marker:
+    def __init__(self, marker: str) -> None:
+        try:
+            self._markers = _coerce_parse_result(MARKER.parseString(marker))
+        except ParseException as e:
+            raise InvalidMarker(
+                f"Invalid marker: {marker!r}, parse error at "
+                f"{marker[e.loc : e.loc + 8]!r}"
+            )
+
+    def __str__(self) -> str:
+        return _format_marker(self._markers)
+
+    def __repr__(self) -> str:
+        return f"<Marker('{self}')>"
+
+    def evaluate(self, environment: Optional[Dict[str, str]] = None) -> bool:
+        """Evaluate a marker.
+
+        Return the boolean from evaluating the given marker against the
+        environment. environment is an optional argument to override all or
+        part of the determined environment.
+
+        The environment is determined from the current Python process.
+        """
+        current_environment = default_environment()
+        if environment is not None:
+            current_environment.update(environment)
+
+        return _evaluate_markers(self._markers, current_environment)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/requirements.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/requirements.py
new file mode 100644
index 00000000..6af14ec4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/requirements.py
@@ -0,0 +1,146 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+import string
+import urllib.parse
+from typing import List, Optional as TOptional, Set
+
+from pkg_resources.extern.pyparsing import (  # noqa
+    Combine,
+    Literal as L,
+    Optional,
+    ParseException,
+    Regex,
+    Word,
+    ZeroOrMore,
+    originalTextFor,
+    stringEnd,
+    stringStart,
+)
+
+from .markers import MARKER_EXPR, Marker
+from .specifiers import LegacySpecifier, Specifier, SpecifierSet
+
+
+class InvalidRequirement(ValueError):
+    """
+    An invalid requirement was found, users should refer to PEP 508.
+    """
+
+
+ALPHANUM = Word(string.ascii_letters + string.digits)
+
+LBRACKET = L("[").suppress()
+RBRACKET = L("]").suppress()
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+COMMA = L(",").suppress()
+SEMICOLON = L(";").suppress()
+AT = L("@").suppress()
+
+PUNCTUATION = Word("-_.")
+IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM)
+IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END))
+
+NAME = IDENTIFIER("name")
+EXTRA = IDENTIFIER
+
+URI = Regex(r"[^ ]+")("url")
+URL = AT + URI
+
+EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA)
+EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras")
+
+VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE)
+VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE)
+
+VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY
+VERSION_MANY = Combine(
+    VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False
+)("_raw_spec")
+_VERSION_SPEC = Optional((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)
+_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or "")
+
+VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier")
+VERSION_SPEC.setParseAction(lambda s, l, t: t[1])
+
+MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
+MARKER_EXPR.setParseAction(
+    lambda s, l, t: Marker(s[t._original_start : t._original_end])
+)
+MARKER_SEPARATOR = SEMICOLON
+MARKER = MARKER_SEPARATOR + MARKER_EXPR
+
+VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER)
+URL_AND_MARKER = URL + Optional(MARKER)
+
+NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)
+
+REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd
+# pkg_resources.extern.pyparsing isn't thread safe during initialization, so we do it eagerly, see
+# issue #104
+REQUIREMENT.parseString("x[]")
+
+
+class Requirement:
+    """Parse a requirement.
+
+    Parse a given requirement string into its parts, such as name, specifier,
+    URL, and extras. Raises InvalidRequirement on a badly-formed requirement
+    string.
+    """
+
+    # TODO: Can we test whether something is contained within a requirement?
+    #       If so how do we do that? Do we need to test against the _name_ of
+    #       the thing as well as the version? What about the markers?
+    # TODO: Can we normalize the name and extra name?
+
+    def __init__(self, requirement_string: str) -> None:
+        try:
+            req = REQUIREMENT.parseString(requirement_string)
+        except ParseException as e:
+            raise InvalidRequirement(
+                f'Parse error at "{ requirement_string[e.loc : e.loc + 8]!r}": {e.msg}'
+            )
+
+        self.name: str = req.name
+        if req.url:
+            parsed_url = urllib.parse.urlparse(req.url)
+            if parsed_url.scheme == "file":
+                if urllib.parse.urlunparse(parsed_url) != req.url:
+                    raise InvalidRequirement("Invalid URL given")
+            elif not (parsed_url.scheme and parsed_url.netloc) or (
+                not parsed_url.scheme and not parsed_url.netloc
+            ):
+                raise InvalidRequirement(f"Invalid URL: {req.url}")
+            self.url: TOptional[str] = req.url
+        else:
+            self.url = None
+        self.extras: Set[str] = set(req.extras.asList() if req.extras else [])
+        self.specifier: SpecifierSet = SpecifierSet(req.specifier)
+        self.marker: TOptional[Marker] = req.marker if req.marker else None
+
+    def __str__(self) -> str:
+        parts: List[str] = [self.name]
+
+        if self.extras:
+            formatted_extras = ",".join(sorted(self.extras))
+            parts.append(f"[{formatted_extras}]")
+
+        if self.specifier:
+            parts.append(str(self.specifier))
+
+        if self.url:
+            parts.append(f"@ {self.url}")
+            if self.marker:
+                parts.append(" ")
+
+        if self.marker:
+            parts.append(f"; {self.marker}")
+
+        return "".join(parts)
+
+    def __repr__(self) -> str:
+        return f"<Requirement('{self}')>"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/specifiers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/specifiers.py
new file mode 100644
index 00000000..0e218a6f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/specifiers.py
@@ -0,0 +1,802 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import abc
+import functools
+import itertools
+import re
+import warnings
+from typing import (
+    Callable,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Pattern,
+    Set,
+    Tuple,
+    TypeVar,
+    Union,
+)
+
+from .utils import canonicalize_version
+from .version import LegacyVersion, Version, parse
+
+ParsedVersion = Union[Version, LegacyVersion]
+UnparsedVersion = Union[Version, LegacyVersion, str]
+VersionTypeVar = TypeVar("VersionTypeVar", bound=UnparsedVersion)
+CallableOperator = Callable[[ParsedVersion, str], bool]
+
+
+class InvalidSpecifier(ValueError):
+    """
+    An invalid specifier was found, users should refer to PEP 440.
+    """
+
+
+class BaseSpecifier(metaclass=abc.ABCMeta):
+    @abc.abstractmethod
+    def __str__(self) -> str:
+        """
+        Returns the str representation of this Specifier like object. This
+        should be representative of the Specifier itself.
+        """
+
+    @abc.abstractmethod
+    def __hash__(self) -> int:
+        """
+        Returns a hash value for this Specifier like object.
+        """
+
+    @abc.abstractmethod
+    def __eq__(self, other: object) -> bool:
+        """
+        Returns a boolean representing whether or not the two Specifier like
+        objects are equal.
+        """
+
+    @abc.abstractproperty
+    def prereleases(self) -> Optional[bool]:
+        """
+        Returns whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        """
+        Sets whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @abc.abstractmethod
+    def contains(self, item: str, prereleases: Optional[bool] = None) -> bool:
+        """
+        Determines if the given item is contained within this specifier.
+        """
+
+    @abc.abstractmethod
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+        """
+        Takes an iterable of items and filters them so that only items which
+        are contained within this specifier are allowed in it.
+        """
+
+
+class _IndividualSpecifier(BaseSpecifier):
+
+    _operators: Dict[str, str] = {}
+    _regex: Pattern[str]
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        match = self._regex.search(spec)
+        if not match:
+            raise InvalidSpecifier(f"Invalid specifier: '{spec}'")
+
+        self._spec: Tuple[str, str] = (
+            match.group("operator").strip(),
+            match.group("version").strip(),
+        )
+
+        # Store whether or not this Specifier should accept prereleases
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return f"<{self.__class__.__name__}({str(self)!r}{pre})>"
+
+    def __str__(self) -> str:
+        return "{}{}".format(*self._spec)
+
+    @property
+    def _canonical_spec(self) -> Tuple[str, str]:
+        return self._spec[0], canonicalize_version(self._spec[1])
+
+    def __hash__(self) -> int:
+        return hash(self._canonical_spec)
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, str):
+            try:
+                other = self.__class__(str(other))
+            except InvalidSpecifier:
+                return NotImplemented
+        elif not isinstance(other, self.__class__):
+            return NotImplemented
+
+        return self._canonical_spec == other._canonical_spec
+
+    def _get_operator(self, op: str) -> CallableOperator:
+        operator_callable: CallableOperator = getattr(
+            self, f"_compare_{self._operators[op]}"
+        )
+        return operator_callable
+
+    def _coerce_version(self, version: UnparsedVersion) -> ParsedVersion:
+        if not isinstance(version, (LegacyVersion, Version)):
+            version = parse(version)
+        return version
+
+    @property
+    def operator(self) -> str:
+        return self._spec[0]
+
+    @property
+    def version(self) -> str:
+        return self._spec[1]
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+        return self._prereleases
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: str) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Determine if prereleases are to be allowed or not.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # Normalize item to a Version or LegacyVersion, this allows us to have
+        # a shortcut for ``"2.0" in Specifier(">=2")
+        normalized_item = self._coerce_version(item)
+
+        # Determine if we should be supporting prereleases in this specifier
+        # or not, if we do not support prereleases than we can short circuit
+        # logic if this version is a prereleases.
+        if normalized_item.is_prerelease and not prereleases:
+            return False
+
+        # Actually do the comparison to determine if this item is contained
+        # within this Specifier or not.
+        operator_callable: CallableOperator = self._get_operator(self.operator)
+        return operator_callable(normalized_item, self.version)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        yielded = False
+        found_prereleases = []
+
+        kw = {"prereleases": prereleases if prereleases is not None else True}
+
+        # Attempt to iterate over all the values in the iterable and if any of
+        # them match, yield them.
+        for version in iterable:
+            parsed_version = self._coerce_version(version)
+
+            if self.contains(parsed_version, **kw):
+                # If our version is a prerelease, and we were not set to allow
+                # prereleases, then we'll store it for later in case nothing
+                # else matches this specifier.
+                if parsed_version.is_prerelease and not (
+                    prereleases or self.prereleases
+                ):
+                    found_prereleases.append(version)
+                # Either this is not a prerelease, or we should have been
+                # accepting prereleases from the beginning.
+                else:
+                    yielded = True
+                    yield version
+
+        # Now that we've iterated over everything, determine if we've yielded
+        # any values, and if we have not and we have any prereleases stored up
+        # then we will go ahead and yield the prereleases.
+        if not yielded and found_prereleases:
+            for version in found_prereleases:
+                yield version
+
+
+class LegacySpecifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(==|!=|<=|>=|<|>))
+        \s*
+        (?P<version>
+            [^,;\s)]* # Since this is a "legacy" specifier, and the version
+                      # string can be just about anything, we match everything
+                      # except for whitespace, a semi-colon for marker support,
+                      # a closing paren since versions can be enclosed in
+                      # them, and a comma since it's a version separator.
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+    }
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        super().__init__(spec, prereleases)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def _coerce_version(self, version: UnparsedVersion) -> LegacyVersion:
+        if not isinstance(version, LegacyVersion):
+            version = LegacyVersion(str(version))
+        return version
+
+    def _compare_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective == self._coerce_version(spec)
+
+    def _compare_not_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective != self._coerce_version(spec)
+
+    def _compare_less_than_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective <= self._coerce_version(spec)
+
+    def _compare_greater_than_equal(
+        self, prospective: LegacyVersion, spec: str
+    ) -> bool:
+        return prospective >= self._coerce_version(spec)
+
+    def _compare_less_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective < self._coerce_version(spec)
+
+    def _compare_greater_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective > self._coerce_version(spec)
+
+
+def _require_version_compare(
+    fn: Callable[["Specifier", ParsedVersion, str], bool]
+) -> Callable[["Specifier", ParsedVersion, str], bool]:
+    @functools.wraps(fn)
+    def wrapped(self: "Specifier", prospective: ParsedVersion, spec: str) -> bool:
+        if not isinstance(prospective, Version):
+            return False
+        return fn(self, prospective, spec)
+
+    return wrapped
+
+
+class Specifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(~=|==|!=|<=|>=|<|>|===))
+        (?P<version>
+            (?:
+                # The identity operators allow for an escape hatch that will
+                # do an exact string match of the version you wish to install.
+                # This will not be parsed by PEP 440 and we cannot determine
+                # any semantic meaning from it. This operator is discouraged
+                # but included entirely as an escape hatch.
+                (?<====)  # Only match for the identity operator
+                \s*
+                [^\s]*    # We just match everything, except for whitespace
+                          # since we are only testing for strict identity.
+            )
+            |
+            (?:
+                # The (non)equality operators allow for wild card and local
+                # versions to be specified so we have to define these two
+                # operators separately to enable that.
+                (?<===|!=)            # Only match for equals and not equals
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+
+                # You cannot use a wild card and a dev or local version
+                # together so group them with a | and make them optional.
+                (?:
+                    (?:[-_\.]?dev[-_\.]?[0-9]*)?         # dev release
+                    (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local
+                    |
+                    \.\*  # Wild card syntax of .*
+                )?
+            )
+            |
+            (?:
+                # The compatible operator requires at least two digits in the
+                # release segment.
+                (?<=~=)               # Only match for the compatible operator
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)+   # release  (We have a + instead of a *)
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+            |
+            (?:
+                # All other operators only allow a sub set of what the
+                # (non)equality operators do. Specifically they do not allow
+                # local versions to be specified nor do they allow the prefix
+                # matching wild cards.
+                (?<!==|!=|~=)         # We have special cases for these
+                                      # operators so we want to make sure they
+                                      # don't match here.
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "~=": "compatible",
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+        "===": "arbitrary",
+    }
+
+    @_require_version_compare
+    def _compare_compatible(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # Compatible releases have an equivalent combination of >= and ==. That
+        # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to
+        # implement this in terms of the other specifiers instead of
+        # implementing it ourselves. The only thing we need to do is construct
+        # the other specifiers.
+
+        # We want everything but the last item in the version, but we want to
+        # ignore suffix segments.
+        prefix = ".".join(
+            list(itertools.takewhile(_is_not_suffix, _version_split(spec)))[:-1]
+        )
+
+        # Add the prefix notation to the end of our string
+        prefix += ".*"
+
+        return self._get_operator(">=")(prospective, spec) and self._get_operator("==")(
+            prospective, prefix
+        )
+
+    @_require_version_compare
+    def _compare_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # We need special logic to handle prefix matching
+        if spec.endswith(".*"):
+            # In the case of prefix matching we want to ignore local segment.
+            prospective = Version(prospective.public)
+            # Split the spec out by dots, and pretend that there is an implicit
+            # dot in between a release segment and a pre-release segment.
+            split_spec = _version_split(spec[:-2])  # Remove the trailing .*
+
+            # Split the prospective version out by dots, and pretend that there
+            # is an implicit dot in between a release segment and a pre-release
+            # segment.
+            split_prospective = _version_split(str(prospective))
+
+            # Shorten the prospective version to be the same length as the spec
+            # so that we can determine if the specifier is a prefix of the
+            # prospective version or not.
+            shortened_prospective = split_prospective[: len(split_spec)]
+
+            # Pad out our two sides with zeros so that they both equal the same
+            # length.
+            padded_spec, padded_prospective = _pad_version(
+                split_spec, shortened_prospective
+            )
+
+            return padded_prospective == padded_spec
+        else:
+            # Convert our spec string into a Version
+            spec_version = Version(spec)
+
+            # If the specifier does not have a local segment, then we want to
+            # act as if the prospective version also does not have a local
+            # segment.
+            if not spec_version.local:
+                prospective = Version(prospective.public)
+
+            return prospective == spec_version
+
+    @_require_version_compare
+    def _compare_not_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+        return not self._compare_equal(prospective, spec)
+
+    @_require_version_compare
+    def _compare_less_than_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) <= Version(spec)
+
+    @_require_version_compare
+    def _compare_greater_than_equal(
+        self, prospective: ParsedVersion, spec: str
+    ) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) >= Version(spec)
+
+    @_require_version_compare
+    def _compare_less_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is less than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective < spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a pre-release version, that we do not accept pre-release
+        # versions for the version mentioned in the specifier (e.g. <3.1 should
+        # not match 3.1.dev0, but should match 3.0.dev0).
+        if not spec.is_prerelease and prospective.is_prerelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # less than the spec version *and* it's not a pre-release of the same
+        # version in the spec.
+        return True
+
+    @_require_version_compare
+    def _compare_greater_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is greater than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective > spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a post-release version, that we do not accept
+        # post-release versions for the version mentioned in the specifier
+        # (e.g. >3.1 should not match 3.0.post0, but should match 3.2.post0).
+        if not spec.is_postrelease and prospective.is_postrelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # Ensure that we do not allow a local version of the version mentioned
+        # in the specifier, which is technically greater than, to match.
+        if prospective.local is not None:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # greater than the spec version *and* it's not a pre-release of the
+        # same version in the spec.
+        return True
+
+    def _compare_arbitrary(self, prospective: Version, spec: str) -> bool:
+        return str(prospective).lower() == str(spec).lower()
+
+    @property
+    def prereleases(self) -> bool:
+
+        # If there is an explicit prereleases set for this, then we'll just
+        # blindly use that.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # Look at all of our specifiers and determine if they are inclusive
+        # operators, and if they are if they are including an explicit
+        # prerelease.
+        operator, version = self._spec
+        if operator in ["==", ">=", "<=", "~=", "==="]:
+            # The == specifier can include a trailing .*, if it does we
+            # want to remove before parsing.
+            if operator == "==" and version.endswith(".*"):
+                version = version[:-2]
+
+            # Parse the version, and if it is a pre-release than this
+            # specifier allows pre-releases.
+            if parse(version).is_prerelease:
+                return True
+
+        return False
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+
+_prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$")
+
+
+def _version_split(version: str) -> List[str]:
+    result: List[str] = []
+    for item in version.split("."):
+        match = _prefix_regex.search(item)
+        if match:
+            result.extend(match.groups())
+        else:
+            result.append(item)
+    return result
+
+
+def _is_not_suffix(segment: str) -> bool:
+    return not any(
+        segment.startswith(prefix) for prefix in ("dev", "a", "b", "rc", "post")
+    )
+
+
+def _pad_version(left: List[str], right: List[str]) -> Tuple[List[str], List[str]]:
+    left_split, right_split = [], []
+
+    # Get the release segment of our versions
+    left_split.append(list(itertools.takewhile(lambda x: x.isdigit(), left)))
+    right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right)))
+
+    # Get the rest of our versions
+    left_split.append(left[len(left_split[0]) :])
+    right_split.append(right[len(right_split[0]) :])
+
+    # Insert our padding
+    left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0])))
+    right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0])))
+
+    return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split)))
+
+
+class SpecifierSet(BaseSpecifier):
+    def __init__(
+        self, specifiers: str = "", prereleases: Optional[bool] = None
+    ) -> None:
+
+        # Split on , to break each individual specifier into it's own item, and
+        # strip each item to remove leading/trailing whitespace.
+        split_specifiers = [s.strip() for s in specifiers.split(",") if s.strip()]
+
+        # Parsed each individual specifier, attempting first to make it a
+        # Specifier and falling back to a LegacySpecifier.
+        parsed: Set[_IndividualSpecifier] = set()
+        for specifier in split_specifiers:
+            try:
+                parsed.add(Specifier(specifier))
+            except InvalidSpecifier:
+                parsed.add(LegacySpecifier(specifier))
+
+        # Turn our parsed specifiers into a frozen set and save them for later.
+        self._specs = frozenset(parsed)
+
+        # Store our prereleases value so we can use it later to determine if
+        # we accept prereleases or not.
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return f"<SpecifierSet({str(self)!r}{pre})>"
+
+    def __str__(self) -> str:
+        return ",".join(sorted(str(s) for s in self._specs))
+
+    def __hash__(self) -> int:
+        return hash(self._specs)
+
+    def __and__(self, other: Union["SpecifierSet", str]) -> "SpecifierSet":
+        if isinstance(other, str):
+            other = SpecifierSet(other)
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        specifier = SpecifierSet()
+        specifier._specs = frozenset(self._specs | other._specs)
+
+        if self._prereleases is None and other._prereleases is not None:
+            specifier._prereleases = other._prereleases
+        elif self._prereleases is not None and other._prereleases is None:
+            specifier._prereleases = self._prereleases
+        elif self._prereleases == other._prereleases:
+            specifier._prereleases = self._prereleases
+        else:
+            raise ValueError(
+                "Cannot combine SpecifierSets with True and False prerelease "
+                "overrides."
+            )
+
+        return specifier
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, (str, _IndividualSpecifier)):
+            other = SpecifierSet(str(other))
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        return self._specs == other._specs
+
+    def __len__(self) -> int:
+        return len(self._specs)
+
+    def __iter__(self) -> Iterator[_IndividualSpecifier]:
+        return iter(self._specs)
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+
+        # If we have been given an explicit prerelease modifier, then we'll
+        # pass that through here.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # If we don't have any specifiers, and we don't have a forced value,
+        # then we'll just return None since we don't know if this should have
+        # pre-releases or not.
+        if not self._specs:
+            return None
+
+        # Otherwise we'll see if any of the given specifiers accept
+        # prereleases, if any of them do we'll return True, otherwise False.
+        return any(s.prereleases for s in self._specs)
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: UnparsedVersion) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Ensure that our item is a Version or LegacyVersion instance.
+        if not isinstance(item, (LegacyVersion, Version)):
+            item = parse(item)
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # We can determine if we're going to allow pre-releases by looking to
+        # see if any of the underlying items supports them. If none of them do
+        # and this item is a pre-release then we do not allow it and we can
+        # short circuit that here.
+        # Note: This means that 1.0.dev1 would not be contained in something
+        #       like >=1.0.devabc however it would be in >=1.0.debabc,>0.0.dev0
+        if not prereleases and item.is_prerelease:
+            return False
+
+        # We simply dispatch to the underlying specs here to make sure that the
+        # given version is contained within all of them.
+        # Note: This use of all() here means that an empty set of specifiers
+        #       will always return True, this is an explicit design decision.
+        return all(s.contains(item, prereleases=prereleases) for s in self._specs)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # If we have any specifiers, then we want to wrap our iterable in the
+        # filter method for each one, this will act as a logical AND amongst
+        # each specifier.
+        if self._specs:
+            for spec in self._specs:
+                iterable = spec.filter(iterable, prereleases=bool(prereleases))
+            return iterable
+        # If we do not have any specifiers, then we need to have a rough filter
+        # which will filter out any pre-releases, unless there are no final
+        # releases, and which will filter out LegacyVersion in general.
+        else:
+            filtered: List[VersionTypeVar] = []
+            found_prereleases: List[VersionTypeVar] = []
+
+            item: UnparsedVersion
+            parsed_version: Union[Version, LegacyVersion]
+
+            for item in iterable:
+                # Ensure that we some kind of Version class for this item.
+                if not isinstance(item, (LegacyVersion, Version)):
+                    parsed_version = parse(item)
+                else:
+                    parsed_version = item
+
+                # Filter out any item which is parsed as a LegacyVersion
+                if isinstance(parsed_version, LegacyVersion):
+                    continue
+
+                # Store any item which is a pre-release for later unless we've
+                # already found a final version or we are accepting prereleases
+                if parsed_version.is_prerelease and not prereleases:
+                    if not filtered:
+                        found_prereleases.append(item)
+                else:
+                    filtered.append(item)
+
+            # If we've found no items except for pre-releases, then we'll go
+            # ahead and use the pre-releases
+            if not filtered and found_prereleases and prereleases is None:
+                return found_prereleases
+
+            return filtered
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/tags.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/tags.py
new file mode 100644
index 00000000..9a3d25a7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/tags.py
@@ -0,0 +1,487 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import logging
+import platform
+import sys
+import sysconfig
+from importlib.machinery import EXTENSION_SUFFIXES
+from typing import (
+    Dict,
+    FrozenSet,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+    cast,
+)
+
+from . import _manylinux, _musllinux
+
+logger = logging.getLogger(__name__)
+
+PythonVersion = Sequence[int]
+MacVersion = Tuple[int, int]
+
+INTERPRETER_SHORT_NAMES: Dict[str, str] = {
+    "python": "py",  # Generic.
+    "cpython": "cp",
+    "pypy": "pp",
+    "ironpython": "ip",
+    "jython": "jy",
+}
+
+
+_32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32
+
+
+class Tag:
+    """
+    A representation of the tag triple for a wheel.
+
+    Instances are considered immutable and thus are hashable. Equality checking
+    is also supported.
+    """
+
+    __slots__ = ["_interpreter", "_abi", "_platform", "_hash"]
+
+    def __init__(self, interpreter: str, abi: str, platform: str) -> None:
+        self._interpreter = interpreter.lower()
+        self._abi = abi.lower()
+        self._platform = platform.lower()
+        # The __hash__ of every single element in a Set[Tag] will be evaluated each time
+        # that a set calls its `.disjoint()` method, which may be called hundreds of
+        # times when scanning a page of links for packages with tags matching that
+        # Set[Tag]. Pre-computing the value here produces significant speedups for
+        # downstream consumers.
+        self._hash = hash((self._interpreter, self._abi, self._platform))
+
+    @property
+    def interpreter(self) -> str:
+        return self._interpreter
+
+    @property
+    def abi(self) -> str:
+        return self._abi
+
+    @property
+    def platform(self) -> str:
+        return self._platform
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, Tag):
+            return NotImplemented
+
+        return (
+            (self._hash == other._hash)  # Short-circuit ASAP for perf reasons.
+            and (self._platform == other._platform)
+            and (self._abi == other._abi)
+            and (self._interpreter == other._interpreter)
+        )
+
+    def __hash__(self) -> int:
+        return self._hash
+
+    def __str__(self) -> str:
+        return f"{self._interpreter}-{self._abi}-{self._platform}"
+
+    def __repr__(self) -> str:
+        return f"<{self} @ {id(self)}>"
+
+
+def parse_tag(tag: str) -> FrozenSet[Tag]:
+    """
+    Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances.
+
+    Returning a set is required due to the possibility that the tag is a
+    compressed tag set.
+    """
+    tags = set()
+    interpreters, abis, platforms = tag.split("-")
+    for interpreter in interpreters.split("."):
+        for abi in abis.split("."):
+            for platform_ in platforms.split("."):
+                tags.add(Tag(interpreter, abi, platform_))
+    return frozenset(tags)
+
+
+def _get_config_var(name: str, warn: bool = False) -> Union[int, str, None]:
+    value = sysconfig.get_config_var(name)
+    if value is None and warn:
+        logger.debug(
+            "Config variable '%s' is unset, Python ABI tag may be incorrect", name
+        )
+    return value
+
+
+def _normalize_string(string: str) -> str:
+    return string.replace(".", "_").replace("-", "_")
+
+
+def _abi3_applies(python_version: PythonVersion) -> bool:
+    """
+    Determine if the Python version supports abi3.
+
+    PEP 384 was first implemented in Python 3.2.
+    """
+    return len(python_version) > 1 and tuple(python_version) >= (3, 2)
+
+
+def _cpython_abis(py_version: PythonVersion, warn: bool = False) -> List[str]:
+    py_version = tuple(py_version)  # To allow for version comparison.
+    abis = []
+    version = _version_nodot(py_version[:2])
+    debug = pymalloc = ucs4 = ""
+    with_debug = _get_config_var("Py_DEBUG", warn)
+    has_refcount = hasattr(sys, "gettotalrefcount")
+    # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled
+    # extension modules is the best option.
+    # https://github.com/pypa/pip/issues/3383#issuecomment-173267692
+    has_ext = "_d.pyd" in EXTENSION_SUFFIXES
+    if with_debug or (with_debug is None and (has_refcount or has_ext)):
+        debug = "d"
+    if py_version < (3, 8):
+        with_pymalloc = _get_config_var("WITH_PYMALLOC", warn)
+        if with_pymalloc or with_pymalloc is None:
+            pymalloc = "m"
+        if py_version < (3, 3):
+            unicode_size = _get_config_var("Py_UNICODE_SIZE", warn)
+            if unicode_size == 4 or (
+                unicode_size is None and sys.maxunicode == 0x10FFFF
+            ):
+                ucs4 = "u"
+    elif debug:
+        # Debug builds can also load "normal" extension modules.
+        # We can also assume no UCS-4 or pymalloc requirement.
+        abis.append(f"cp{version}")
+    abis.insert(
+        0,
+        "cp{version}{debug}{pymalloc}{ucs4}".format(
+            version=version, debug=debug, pymalloc=pymalloc, ucs4=ucs4
+        ),
+    )
+    return abis
+
+
+def cpython_tags(
+    python_version: Optional[PythonVersion] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a CPython interpreter.
+
+    The tags consist of:
+    - cp<python_version>-<abi>-<platform>
+    - cp<python_version>-abi3-<platform>
+    - cp<python_version>-none-<platform>
+    - cp<less than python_version>-abi3-<platform>  # Older Python versions down to 3.2.
+
+    If python_version only specifies a major version then user-provided ABIs and
+    the 'none' ABItag will be used.
+
+    If 'abi3' or 'none' are specified in 'abis' then they will be yielded at
+    their normal position and not at the beginning.
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+
+    interpreter = f"cp{_version_nodot(python_version[:2])}"
+
+    if abis is None:
+        if len(python_version) > 1:
+            abis = _cpython_abis(python_version, warn)
+        else:
+            abis = []
+    abis = list(abis)
+    # 'abi3' and 'none' are explicitly handled later.
+    for explicit_abi in ("abi3", "none"):
+        try:
+            abis.remove(explicit_abi)
+        except ValueError:
+            pass
+
+    platforms = list(platforms or platform_tags())
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+    if _abi3_applies(python_version):
+        yield from (Tag(interpreter, "abi3", platform_) for platform_ in platforms)
+    yield from (Tag(interpreter, "none", platform_) for platform_ in platforms)
+
+    if _abi3_applies(python_version):
+        for minor_version in range(python_version[1] - 1, 1, -1):
+            for platform_ in platforms:
+                interpreter = "cp{version}".format(
+                    version=_version_nodot((python_version[0], minor_version))
+                )
+                yield Tag(interpreter, "abi3", platform_)
+
+
+def _generic_abi() -> Iterator[str]:
+    abi = sysconfig.get_config_var("SOABI")
+    if abi:
+        yield _normalize_string(abi)
+
+
+def generic_tags(
+    interpreter: Optional[str] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a generic interpreter.
+
+    The tags consist of:
+    - <interpreter>-<abi>-<platform>
+
+    The "none" ABI will be added if it was not explicitly provided.
+    """
+    if not interpreter:
+        interp_name = interpreter_name()
+        interp_version = interpreter_version(warn=warn)
+        interpreter = "".join([interp_name, interp_version])
+    if abis is None:
+        abis = _generic_abi()
+    platforms = list(platforms or platform_tags())
+    abis = list(abis)
+    if "none" not in abis:
+        abis.append("none")
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+
+
+def _py_interpreter_range(py_version: PythonVersion) -> Iterator[str]:
+    """
+    Yields Python versions in descending order.
+
+    After the latest version, the major-only version will be yielded, and then
+    all previous versions of that major version.
+    """
+    if len(py_version) > 1:
+        yield f"py{_version_nodot(py_version[:2])}"
+    yield f"py{py_version[0]}"
+    if len(py_version) > 1:
+        for minor in range(py_version[1] - 1, -1, -1):
+            yield f"py{_version_nodot((py_version[0], minor))}"
+
+
+def compatible_tags(
+    python_version: Optional[PythonVersion] = None,
+    interpreter: Optional[str] = None,
+    platforms: Optional[Iterable[str]] = None,
+) -> Iterator[Tag]:
+    """
+    Yields the sequence of tags that are compatible with a specific version of Python.
+
+    The tags consist of:
+    - py*-none-<platform>
+    - <interpreter>-none-any  # ... if `interpreter` is provided.
+    - py*-none-any
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+    platforms = list(platforms or platform_tags())
+    for version in _py_interpreter_range(python_version):
+        for platform_ in platforms:
+            yield Tag(version, "none", platform_)
+    if interpreter:
+        yield Tag(interpreter, "none", "any")
+    for version in _py_interpreter_range(python_version):
+        yield Tag(version, "none", "any")
+
+
+def _mac_arch(arch: str, is_32bit: bool = _32_BIT_INTERPRETER) -> str:
+    if not is_32bit:
+        return arch
+
+    if arch.startswith("ppc"):
+        return "ppc"
+
+    return "i386"
+
+
+def _mac_binary_formats(version: MacVersion, cpu_arch: str) -> List[str]:
+    formats = [cpu_arch]
+    if cpu_arch == "x86_64":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat64", "fat32"])
+
+    elif cpu_arch == "i386":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat32", "fat"])
+
+    elif cpu_arch == "ppc64":
+        # TODO: Need to care about 32-bit PPC for ppc64 through 10.2?
+        if version > (10, 5) or version < (10, 4):
+            return []
+        formats.append("fat64")
+
+    elif cpu_arch == "ppc":
+        if version > (10, 6):
+            return []
+        formats.extend(["fat32", "fat"])
+
+    if cpu_arch in {"arm64", "x86_64"}:
+        formats.append("universal2")
+
+    if cpu_arch in {"x86_64", "i386", "ppc64", "ppc", "intel"}:
+        formats.append("universal")
+
+    return formats
+
+
+def mac_platforms(
+    version: Optional[MacVersion] = None, arch: Optional[str] = None
+) -> Iterator[str]:
+    """
+    Yields the platform tags for a macOS system.
+
+    The `version` parameter is a two-item tuple specifying the macOS version to
+    generate platform tags for. The `arch` parameter is the CPU architecture to
+    generate platform tags for. Both parameters default to the appropriate value
+    for the current system.
+    """
+    version_str, _, cpu_arch = platform.mac_ver()
+    if version is None:
+        version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2])))
+    else:
+        version = version
+    if arch is None:
+        arch = _mac_arch(cpu_arch)
+    else:
+        arch = arch
+
+    if (10, 0) <= version and version < (11, 0):
+        # Prior to Mac OS 11, each yearly release of Mac OS bumped the
+        # "minor" version number.  The major version was always 10.
+        for minor_version in range(version[1], -1, -1):
+            compat_version = 10, minor_version
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=10, minor=minor_version, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Starting with Mac OS 11, each yearly release bumps the major version
+        # number.   The minor versions are now the midyear updates.
+        for major_version in range(version[0], 10, -1):
+            compat_version = major_version, 0
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=major_version, minor=0, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Mac OS 11 on x86_64 is compatible with binaries from previous releases.
+        # Arm64 support was introduced in 11.0, so no Arm binaries from previous
+        # releases exist.
+        #
+        # However, the "universal2" binary format can have a
+        # macOS version earlier than 11.0 when the x86_64 part of the binary supports
+        # that version of macOS.
+        if arch == "x86_64":
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_formats = _mac_binary_formats(compat_version, arch)
+                for binary_format in binary_formats:
+                    yield "macosx_{major}_{minor}_{binary_format}".format(
+                        major=compat_version[0],
+                        minor=compat_version[1],
+                        binary_format=binary_format,
+                    )
+        else:
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_format = "universal2"
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=compat_version[0],
+                    minor=compat_version[1],
+                    binary_format=binary_format,
+                )
+
+
+def _linux_platforms(is_32bit: bool = _32_BIT_INTERPRETER) -> Iterator[str]:
+    linux = _normalize_string(sysconfig.get_platform())
+    if is_32bit:
+        if linux == "linux_x86_64":
+            linux = "linux_i686"
+        elif linux == "linux_aarch64":
+            linux = "linux_armv7l"
+    _, arch = linux.split("_", 1)
+    yield from _manylinux.platform_tags(linux, arch)
+    yield from _musllinux.platform_tags(arch)
+    yield linux
+
+
+def _generic_platforms() -> Iterator[str]:
+    yield _normalize_string(sysconfig.get_platform())
+
+
+def platform_tags() -> Iterator[str]:
+    """
+    Provides the platform tags for this installation.
+    """
+    if platform.system() == "Darwin":
+        return mac_platforms()
+    elif platform.system() == "Linux":
+        return _linux_platforms()
+    else:
+        return _generic_platforms()
+
+
+def interpreter_name() -> str:
+    """
+    Returns the name of the running interpreter.
+    """
+    name = sys.implementation.name
+    return INTERPRETER_SHORT_NAMES.get(name) or name
+
+
+def interpreter_version(*, warn: bool = False) -> str:
+    """
+    Returns the version of the running interpreter.
+    """
+    version = _get_config_var("py_version_nodot", warn=warn)
+    if version:
+        version = str(version)
+    else:
+        version = _version_nodot(sys.version_info[:2])
+    return version
+
+
+def _version_nodot(version: PythonVersion) -> str:
+    return "".join(map(str, version))
+
+
+def sys_tags(*, warn: bool = False) -> Iterator[Tag]:
+    """
+    Returns the sequence of tag triples for the running interpreter.
+
+    The order of the sequence corresponds to priority order for the
+    interpreter, from most to least important.
+    """
+
+    interp_name = interpreter_name()
+    if interp_name == "cp":
+        yield from cpython_tags(warn=warn)
+    else:
+        yield from generic_tags()
+
+    if interp_name == "pp":
+        yield from compatible_tags(interpreter="pp3")
+    else:
+        yield from compatible_tags()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/utils.py
new file mode 100644
index 00000000..bab11b80
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/utils.py
@@ -0,0 +1,136 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+from typing import FrozenSet, NewType, Tuple, Union, cast
+
+from .tags import Tag, parse_tag
+from .version import InvalidVersion, Version
+
+BuildTag = Union[Tuple[()], Tuple[int, str]]
+NormalizedName = NewType("NormalizedName", str)
+
+
+class InvalidWheelFilename(ValueError):
+    """
+    An invalid wheel filename was found, users should refer to PEP 427.
+    """
+
+
+class InvalidSdistFilename(ValueError):
+    """
+    An invalid sdist filename was found, users should refer to the packaging user guide.
+    """
+
+
+_canonicalize_regex = re.compile(r"[-_.]+")
+# PEP 427: The build number must start with a digit.
+_build_tag_regex = re.compile(r"(\d+)(.*)")
+
+
+def canonicalize_name(name: str) -> NormalizedName:
+    # This is taken from PEP 503.
+    value = _canonicalize_regex.sub("-", name).lower()
+    return cast(NormalizedName, value)
+
+
+def canonicalize_version(version: Union[Version, str]) -> str:
+    """
+    This is very similar to Version.__str__, but has one subtle difference
+    with the way it handles the release segment.
+    """
+    if isinstance(version, str):
+        try:
+            parsed = Version(version)
+        except InvalidVersion:
+            # Legacy versions cannot be normalized
+            return version
+    else:
+        parsed = version
+
+    parts = []
+
+    # Epoch
+    if parsed.epoch != 0:
+        parts.append(f"{parsed.epoch}!")
+
+    # Release segment
+    # NB: This strips trailing '.0's to normalize
+    parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in parsed.release)))
+
+    # Pre-release
+    if parsed.pre is not None:
+        parts.append("".join(str(x) for x in parsed.pre))
+
+    # Post-release
+    if parsed.post is not None:
+        parts.append(f".post{parsed.post}")
+
+    # Development release
+    if parsed.dev is not None:
+        parts.append(f".dev{parsed.dev}")
+
+    # Local version segment
+    if parsed.local is not None:
+        parts.append(f"+{parsed.local}")
+
+    return "".join(parts)
+
+
+def parse_wheel_filename(
+    filename: str,
+) -> Tuple[NormalizedName, Version, BuildTag, FrozenSet[Tag]]:
+    if not filename.endswith(".whl"):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (extension must be '.whl'): {filename}"
+        )
+
+    filename = filename[:-4]
+    dashes = filename.count("-")
+    if dashes not in (4, 5):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (wrong number of parts): {filename}"
+        )
+
+    parts = filename.split("-", dashes - 2)
+    name_part = parts[0]
+    # See PEP 427 for the rules on escaping the project name
+    if "__" in name_part or re.match(r"^[\w\d._]*$", name_part, re.UNICODE) is None:
+        raise InvalidWheelFilename(f"Invalid project name: {filename}")
+    name = canonicalize_name(name_part)
+    version = Version(parts[1])
+    if dashes == 5:
+        build_part = parts[2]
+        build_match = _build_tag_regex.match(build_part)
+        if build_match is None:
+            raise InvalidWheelFilename(
+                f"Invalid build number: {build_part} in '{filename}'"
+            )
+        build = cast(BuildTag, (int(build_match.group(1)), build_match.group(2)))
+    else:
+        build = ()
+    tags = parse_tag(parts[-1])
+    return (name, version, build, tags)
+
+
+def parse_sdist_filename(filename: str) -> Tuple[NormalizedName, Version]:
+    if filename.endswith(".tar.gz"):
+        file_stem = filename[: -len(".tar.gz")]
+    elif filename.endswith(".zip"):
+        file_stem = filename[: -len(".zip")]
+    else:
+        raise InvalidSdistFilename(
+            f"Invalid sdist filename (extension must be '.tar.gz' or '.zip'):"
+            f" {filename}"
+        )
+
+    # We are requiring a PEP 440 version, which cannot contain dashes,
+    # so we split on the last dash.
+    name_part, sep, version_part = file_stem.rpartition("-")
+    if not sep:
+        raise InvalidSdistFilename(f"Invalid sdist filename: {filename}")
+
+    name = canonicalize_name(name_part)
+    version = Version(version_part)
+    return (name, version)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/version.py
new file mode 100644
index 00000000..de9a09a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/packaging/version.py
@@ -0,0 +1,504 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import collections
+import itertools
+import re
+import warnings
+from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union
+
+from ._structures import Infinity, InfinityType, NegativeInfinity, NegativeInfinityType
+
+__all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"]
+
+InfiniteTypes = Union[InfinityType, NegativeInfinityType]
+PrePostDevType = Union[InfiniteTypes, Tuple[str, int]]
+SubLocalType = Union[InfiniteTypes, int, str]
+LocalType = Union[
+    NegativeInfinityType,
+    Tuple[
+        Union[
+            SubLocalType,
+            Tuple[SubLocalType, str],
+            Tuple[NegativeInfinityType, SubLocalType],
+        ],
+        ...,
+    ],
+]
+CmpKey = Tuple[
+    int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType
+]
+LegacyCmpKey = Tuple[int, Tuple[str, ...]]
+VersionComparisonMethod = Callable[
+    [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool
+]
+
+_Version = collections.namedtuple(
+    "_Version", ["epoch", "release", "dev", "pre", "post", "local"]
+)
+
+
+def parse(version: str) -> Union["LegacyVersion", "Version"]:
+    """
+    Parse the given version string and return either a :class:`Version` object
+    or a :class:`LegacyVersion` object depending on if the given version is
+    a valid PEP 440 version or a legacy version.
+    """
+    try:
+        return Version(version)
+    except InvalidVersion:
+        return LegacyVersion(version)
+
+
+class InvalidVersion(ValueError):
+    """
+    An invalid version was found, users should refer to PEP 440.
+    """
+
+
+class _BaseVersion:
+    _key: Union[CmpKey, LegacyCmpKey]
+
+    def __hash__(self) -> int:
+        return hash(self._key)
+
+    # Please keep the duplicated `isinstance` check
+    # in the six comparisons hereunder
+    # unless you find a way to avoid adding overhead function calls.
+    def __lt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key < other._key
+
+    def __le__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key <= other._key
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key == other._key
+
+    def __ge__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key >= other._key
+
+    def __gt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key > other._key
+
+    def __ne__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key != other._key
+
+
+class LegacyVersion(_BaseVersion):
+    def __init__(self, version: str) -> None:
+        self._version = str(version)
+        self._key = _legacy_cmpkey(self._version)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def __str__(self) -> str:
+        return self._version
+
+    def __repr__(self) -> str:
+        return f"<LegacyVersion('{self}')>"
+
+    @property
+    def public(self) -> str:
+        return self._version
+
+    @property
+    def base_version(self) -> str:
+        return self._version
+
+    @property
+    def epoch(self) -> int:
+        return -1
+
+    @property
+    def release(self) -> None:
+        return None
+
+    @property
+    def pre(self) -> None:
+        return None
+
+    @property
+    def post(self) -> None:
+        return None
+
+    @property
+    def dev(self) -> None:
+        return None
+
+    @property
+    def local(self) -> None:
+        return None
+
+    @property
+    def is_prerelease(self) -> bool:
+        return False
+
+    @property
+    def is_postrelease(self) -> bool:
+        return False
+
+    @property
+    def is_devrelease(self) -> bool:
+        return False
+
+
+_legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE)
+
+_legacy_version_replacement_map = {
+    "pre": "c",
+    "preview": "c",
+    "-": "final-",
+    "rc": "c",
+    "dev": "@",
+}
+
+
+def _parse_version_parts(s: str) -> Iterator[str]:
+    for part in _legacy_version_component_re.split(s):
+        part = _legacy_version_replacement_map.get(part, part)
+
+        if not part or part == ".":
+            continue
+
+        if part[:1] in "0123456789":
+            # pad for numeric comparison
+            yield part.zfill(8)
+        else:
+            yield "*" + part
+
+    # ensure that alpha/beta/candidate are before final
+    yield "*final"
+
+
+def _legacy_cmpkey(version: str) -> LegacyCmpKey:
+
+    # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch
+    # greater than or equal to 0. This will effectively put the LegacyVersion,
+    # which uses the defacto standard originally implemented by setuptools,
+    # as before all PEP 440 versions.
+    epoch = -1
+
+    # This scheme is taken from pkg_resources.parse_version setuptools prior to
+    # it's adoption of the packaging library.
+    parts: List[str] = []
+    for part in _parse_version_parts(version.lower()):
+        if part.startswith("*"):
+            # remove "-" before a prerelease tag
+            if part < "*final":
+                while parts and parts[-1] == "*final-":
+                    parts.pop()
+
+            # remove trailing zeros from each series of numeric parts
+            while parts and parts[-1] == "00000000":
+                parts.pop()
+
+        parts.append(part)
+
+    return epoch, tuple(parts)
+
+
+# Deliberately not anchored to the start and end of the string, to make it
+# easier for 3rd party code to reuse
+VERSION_PATTERN = r"""
+    v?
+    (?:
+        (?:(?P<epoch>[0-9]+)!)?                           # epoch
+        (?P<release>[0-9]+(?:\.[0-9]+)*)                  # release segment
+        (?P<pre>                                          # pre-release
+            [-_\.]?
+            (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview))
+            [-_\.]?
+            (?P<pre_n>[0-9]+)?
+        )?
+        (?P<post>                                         # post release
+            (?:-(?P<post_n1>[0-9]+))
+            |
+            (?:
+                [-_\.]?
+                (?P<post_l>post|rev|r)
+                [-_\.]?
+                (?P<post_n2>[0-9]+)?
+            )
+        )?
+        (?P<dev>                                          # dev release
+            [-_\.]?
+            (?P<dev_l>dev)
+            [-_\.]?
+            (?P<dev_n>[0-9]+)?
+        )?
+    )
+    (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))?       # local version
+"""
+
+
+class Version(_BaseVersion):
+
+    _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    def __init__(self, version: str) -> None:
+
+        # Validate the version and parse it into pieces
+        match = self._regex.search(version)
+        if not match:
+            raise InvalidVersion(f"Invalid version: '{version}'")
+
+        # Store the parsed out pieces of the version
+        self._version = _Version(
+            epoch=int(match.group("epoch")) if match.group("epoch") else 0,
+            release=tuple(int(i) for i in match.group("release").split(".")),
+            pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")),
+            post=_parse_letter_version(
+                match.group("post_l"), match.group("post_n1") or match.group("post_n2")
+            ),
+            dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")),
+            local=_parse_local_version(match.group("local")),
+        )
+
+        # Generate a key which will be used for sorting
+        self._key = _cmpkey(
+            self._version.epoch,
+            self._version.release,
+            self._version.pre,
+            self._version.post,
+            self._version.dev,
+            self._version.local,
+        )
+
+    def __repr__(self) -> str:
+        return f"<Version('{self}')>"
+
+    def __str__(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        # Pre-release
+        if self.pre is not None:
+            parts.append("".join(str(x) for x in self.pre))
+
+        # Post-release
+        if self.post is not None:
+            parts.append(f".post{self.post}")
+
+        # Development release
+        if self.dev is not None:
+            parts.append(f".dev{self.dev}")
+
+        # Local version segment
+        if self.local is not None:
+            parts.append(f"+{self.local}")
+
+        return "".join(parts)
+
+    @property
+    def epoch(self) -> int:
+        _epoch: int = self._version.epoch
+        return _epoch
+
+    @property
+    def release(self) -> Tuple[int, ...]:
+        _release: Tuple[int, ...] = self._version.release
+        return _release
+
+    @property
+    def pre(self) -> Optional[Tuple[str, int]]:
+        _pre: Optional[Tuple[str, int]] = self._version.pre
+        return _pre
+
+    @property
+    def post(self) -> Optional[int]:
+        return self._version.post[1] if self._version.post else None
+
+    @property
+    def dev(self) -> Optional[int]:
+        return self._version.dev[1] if self._version.dev else None
+
+    @property
+    def local(self) -> Optional[str]:
+        if self._version.local:
+            return ".".join(str(x) for x in self._version.local)
+        else:
+            return None
+
+    @property
+    def public(self) -> str:
+        return str(self).split("+", 1)[0]
+
+    @property
+    def base_version(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        return "".join(parts)
+
+    @property
+    def is_prerelease(self) -> bool:
+        return self.dev is not None or self.pre is not None
+
+    @property
+    def is_postrelease(self) -> bool:
+        return self.post is not None
+
+    @property
+    def is_devrelease(self) -> bool:
+        return self.dev is not None
+
+    @property
+    def major(self) -> int:
+        return self.release[0] if len(self.release) >= 1 else 0
+
+    @property
+    def minor(self) -> int:
+        return self.release[1] if len(self.release) >= 2 else 0
+
+    @property
+    def micro(self) -> int:
+        return self.release[2] if len(self.release) >= 3 else 0
+
+
+def _parse_letter_version(
+    letter: str, number: Union[str, bytes, SupportsInt]
+) -> Optional[Tuple[str, int]]:
+
+    if letter:
+        # We consider there to be an implicit 0 in a pre-release if there is
+        # not a numeral associated with it.
+        if number is None:
+            number = 0
+
+        # We normalize any letters to their lower case form
+        letter = letter.lower()
+
+        # We consider some words to be alternate spellings of other words and
+        # in those cases we want to normalize the spellings to our preferred
+        # spelling.
+        if letter == "alpha":
+            letter = "a"
+        elif letter == "beta":
+            letter = "b"
+        elif letter in ["c", "pre", "preview"]:
+            letter = "rc"
+        elif letter in ["rev", "r"]:
+            letter = "post"
+
+        return letter, int(number)
+    if not letter and number:
+        # We assume if we are given a number, but we are not given a letter
+        # then this is using the implicit post release syntax (e.g. 1.0-1)
+        letter = "post"
+
+        return letter, int(number)
+
+    return None
+
+
+_local_version_separators = re.compile(r"[\._-]")
+
+
+def _parse_local_version(local: str) -> Optional[LocalType]:
+    """
+    Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
+    """
+    if local is not None:
+        return tuple(
+            part.lower() if not part.isdigit() else int(part)
+            for part in _local_version_separators.split(local)
+        )
+    return None
+
+
+def _cmpkey(
+    epoch: int,
+    release: Tuple[int, ...],
+    pre: Optional[Tuple[str, int]],
+    post: Optional[Tuple[str, int]],
+    dev: Optional[Tuple[str, int]],
+    local: Optional[Tuple[SubLocalType]],
+) -> CmpKey:
+
+    # When we compare a release version, we want to compare it with all of the
+    # trailing zeros removed. So we'll use a reverse the list, drop all the now
+    # leading zeros until we come to something non zero, then take the rest
+    # re-reverse it back into the correct order and make it a tuple and use
+    # that for our sorting key.
+    _release = tuple(
+        reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
+    )
+
+    # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0.
+    # We'll do this by abusing the pre segment, but we _only_ want to do this
+    # if there is not a pre or a post segment. If we have one of those then
+    # the normal sorting rules will handle this case correctly.
+    if pre is None and post is None and dev is not None:
+        _pre: PrePostDevType = NegativeInfinity
+    # Versions without a pre-release (except as noted above) should sort after
+    # those with one.
+    elif pre is None:
+        _pre = Infinity
+    else:
+        _pre = pre
+
+    # Versions without a post segment should sort before those with one.
+    if post is None:
+        _post: PrePostDevType = NegativeInfinity
+
+    else:
+        _post = post
+
+    # Versions without a development segment should sort after those with one.
+    if dev is None:
+        _dev: PrePostDevType = Infinity
+
+    else:
+        _dev = dev
+
+    if local is None:
+        # Versions without a local segment should sort before those with one.
+        _local: LocalType = NegativeInfinity
+    else:
+        # Versions with a local segment need that segment parsed to implement
+        # the sorting rules in PEP440.
+        # - Alpha numeric segments sort before numeric segments
+        # - Alpha numeric segments sort lexicographically
+        # - Numeric segments sort numerically
+        # - Shorter versions sort before longer versions when the prefixes
+        #   match exactly
+        _local = tuple(
+            (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local
+        )
+
+    return epoch, _release, _pre, _post, _dev, _local
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/__init__.py
new file mode 100644
index 00000000..7802ff15
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/__init__.py
@@ -0,0 +1,331 @@
+# module pyparsing.py
+#
+# Copyright (c) 2003-2022  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__doc__ = """
+pyparsing module - Classes and methods to define and execute parsing grammars
+=============================================================================
+
+The pyparsing module is an alternative approach to creating and
+executing simple grammars, vs. the traditional lex/yacc approach, or the
+use of regular expressions.  With pyparsing, you don't need to learn
+a new syntax for defining grammars or matching expressions - the parsing
+module provides a library of classes that you use to construct the
+grammar directly in Python.
+
+Here is a program to parse "Hello, World!" (or any greeting of the form
+``"<salutation>, <addressee>!"``), built up using :class:`Word`,
+:class:`Literal`, and :class:`And` elements
+(the :meth:`'+'<ParserElement.__add__>` operators create :class:`And` expressions,
+and the strings are auto-converted to :class:`Literal` expressions)::
+
+    from pyparsing import Word, alphas
+
+    # define grammar of a greeting
+    greet = Word(alphas) + "," + Word(alphas) + "!"
+
+    hello = "Hello, World!"
+    print(hello, "->", greet.parse_string(hello))
+
+The program outputs the following::
+
+    Hello, World! -> ['Hello', ',', 'World', '!']
+
+The Python representation of the grammar is quite readable, owing to the
+self-explanatory class names, and the use of :class:`'+'<And>`,
+:class:`'|'<MatchFirst>`, :class:`'^'<Or>` and :class:`'&'<Each>` operators.
+
+The :class:`ParseResults` object returned from
+:class:`ParserElement.parseString` can be
+accessed as a nested list, a dictionary, or an object with named
+attributes.
+
+The pyparsing module handles some of the problems that are typically
+vexing when writing text parsers:
+
+  - extra or missing whitespace (the above program will also handle
+    "Hello,World!", "Hello  ,  World  !", etc.)
+  - quoted strings
+  - embedded comments
+
+
+Getting Started -
+-----------------
+Visit the classes :class:`ParserElement` and :class:`ParseResults` to
+see the base classes that most other pyparsing
+classes inherit from. Use the docstrings for examples of how to:
+
+ - construct literal match expressions from :class:`Literal` and
+   :class:`CaselessLiteral` classes
+ - construct character word-group expressions using the :class:`Word`
+   class
+ - see how to create repetitive expressions using :class:`ZeroOrMore`
+   and :class:`OneOrMore` classes
+ - use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`,
+   and :class:`'&'<Each>` operators to combine simple expressions into
+   more complex ones
+ - associate names with your parsed results using
+   :class:`ParserElement.setResultsName`
+ - access the parsed data, which is returned as a :class:`ParseResults`
+   object
+ - find some helpful expression short-cuts like :class:`delimitedList`
+   and :class:`oneOf`
+ - find more useful common expressions in the :class:`pyparsing_common`
+   namespace class
+"""
+from typing import NamedTuple
+
+
+class version_info(NamedTuple):
+    major: int
+    minor: int
+    micro: int
+    releaselevel: str
+    serial: int
+
+    @property
+    def __version__(self):
+        return (
+            "{}.{}.{}".format(self.major, self.minor, self.micro)
+            + (
+                "{}{}{}".format(
+                    "r" if self.releaselevel[0] == "c" else "",
+                    self.releaselevel[0],
+                    self.serial,
+                ),
+                "",
+            )[self.releaselevel == "final"]
+        )
+
+    def __str__(self):
+        return "{} {} / {}".format(__name__, self.__version__, __version_time__)
+
+    def __repr__(self):
+        return "{}.{}({})".format(
+            __name__,
+            type(self).__name__,
+            ", ".join("{}={!r}".format(*nv) for nv in zip(self._fields, self)),
+        )
+
+
+__version_info__ = version_info(3, 0, 9, "final", 0)
+__version_time__ = "05 May 2022 07:02 UTC"
+__version__ = __version_info__.__version__
+__versionTime__ = __version_time__
+__author__ = "Paul McGuire <ptmcg.gm+pyparsing@gmail.com>"
+
+from .util import *
+from .exceptions import *
+from .actions import *
+from .core import __diag__, __compat__
+from .results import *
+from .core import *
+from .core import _builtin_exprs as core_builtin_exprs
+from .helpers import *
+from .helpers import _builtin_exprs as helper_builtin_exprs
+
+from .unicode import unicode_set, UnicodeRangeList, pyparsing_unicode as unicode
+from .testing import pyparsing_test as testing
+from .common import (
+    pyparsing_common as common,
+    _builtin_exprs as common_builtin_exprs,
+)
+
+# define backward compat synonyms
+if "pyparsing_unicode" not in globals():
+    pyparsing_unicode = unicode
+if "pyparsing_common" not in globals():
+    pyparsing_common = common
+if "pyparsing_test" not in globals():
+    pyparsing_test = testing
+
+core_builtin_exprs += common_builtin_exprs + helper_builtin_exprs
+
+
+__all__ = [
+    "__version__",
+    "__version_time__",
+    "__author__",
+    "__compat__",
+    "__diag__",
+    "And",
+    "AtLineStart",
+    "AtStringStart",
+    "CaselessKeyword",
+    "CaselessLiteral",
+    "CharsNotIn",
+    "Combine",
+    "Dict",
+    "Each",
+    "Empty",
+    "FollowedBy",
+    "Forward",
+    "GoToColumn",
+    "Group",
+    "IndentedBlock",
+    "Keyword",
+    "LineEnd",
+    "LineStart",
+    "Literal",
+    "Located",
+    "PrecededBy",
+    "MatchFirst",
+    "NoMatch",
+    "NotAny",
+    "OneOrMore",
+    "OnlyOnce",
+    "OpAssoc",
+    "Opt",
+    "Optional",
+    "Or",
+    "ParseBaseException",
+    "ParseElementEnhance",
+    "ParseException",
+    "ParseExpression",
+    "ParseFatalException",
+    "ParseResults",
+    "ParseSyntaxException",
+    "ParserElement",
+    "PositionToken",
+    "QuotedString",
+    "RecursiveGrammarException",
+    "Regex",
+    "SkipTo",
+    "StringEnd",
+    "StringStart",
+    "Suppress",
+    "Token",
+    "TokenConverter",
+    "White",
+    "Word",
+    "WordEnd",
+    "WordStart",
+    "ZeroOrMore",
+    "Char",
+    "alphanums",
+    "alphas",
+    "alphas8bit",
+    "any_close_tag",
+    "any_open_tag",
+    "c_style_comment",
+    "col",
+    "common_html_entity",
+    "counted_array",
+    "cpp_style_comment",
+    "dbl_quoted_string",
+    "dbl_slash_comment",
+    "delimited_list",
+    "dict_of",
+    "empty",
+    "hexnums",
+    "html_comment",
+    "identchars",
+    "identbodychars",
+    "java_style_comment",
+    "line",
+    "line_end",
+    "line_start",
+    "lineno",
+    "make_html_tags",
+    "make_xml_tags",
+    "match_only_at_col",
+    "match_previous_expr",
+    "match_previous_literal",
+    "nested_expr",
+    "null_debug_action",
+    "nums",
+    "one_of",
+    "printables",
+    "punc8bit",
+    "python_style_comment",
+    "quoted_string",
+    "remove_quotes",
+    "replace_with",
+    "replace_html_entity",
+    "rest_of_line",
+    "sgl_quoted_string",
+    "srange",
+    "string_end",
+    "string_start",
+    "trace_parse_action",
+    "unicode_string",
+    "with_attribute",
+    "indentedBlock",
+    "original_text_for",
+    "ungroup",
+    "infix_notation",
+    "locatedExpr",
+    "with_class",
+    "CloseMatch",
+    "token_map",
+    "pyparsing_common",
+    "pyparsing_unicode",
+    "unicode_set",
+    "condition_as_parse_action",
+    "pyparsing_test",
+    # pre-PEP8 compatibility names
+    "__versionTime__",
+    "anyCloseTag",
+    "anyOpenTag",
+    "cStyleComment",
+    "commonHTMLEntity",
+    "countedArray",
+    "cppStyleComment",
+    "dblQuotedString",
+    "dblSlashComment",
+    "delimitedList",
+    "dictOf",
+    "htmlComment",
+    "javaStyleComment",
+    "lineEnd",
+    "lineStart",
+    "makeHTMLTags",
+    "makeXMLTags",
+    "matchOnlyAtCol",
+    "matchPreviousExpr",
+    "matchPreviousLiteral",
+    "nestedExpr",
+    "nullDebugAction",
+    "oneOf",
+    "opAssoc",
+    "pythonStyleComment",
+    "quotedString",
+    "removeQuotes",
+    "replaceHTMLEntity",
+    "replaceWith",
+    "restOfLine",
+    "sglQuotedString",
+    "stringEnd",
+    "stringStart",
+    "traceParseAction",
+    "unicodeString",
+    "withAttribute",
+    "indentedBlock",
+    "originalTextFor",
+    "infixNotation",
+    "locatedExpr",
+    "withClass",
+    "tokenMap",
+    "conditionAsParseAction",
+    "autoname_elements",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/actions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/actions.py
new file mode 100644
index 00000000..f72c66e7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/actions.py
@@ -0,0 +1,207 @@
+# actions.py
+
+from .exceptions import ParseException
+from .util import col
+
+
+class OnlyOnce:
+    """
+    Wrapper for parse actions, to ensure they are only called once.
+    """
+
+    def __init__(self, method_call):
+        from .core import _trim_arity
+
+        self.callable = _trim_arity(method_call)
+        self.called = False
+
+    def __call__(self, s, l, t):
+        if not self.called:
+            results = self.callable(s, l, t)
+            self.called = True
+            return results
+        raise ParseException(s, l, "OnlyOnce obj called multiple times w/out reset")
+
+    def reset(self):
+        """
+        Allow the associated parse action to be called once more.
+        """
+
+        self.called = False
+
+
+def match_only_at_col(n):
+    """
+    Helper method for defining parse actions that require matching at
+    a specific column in the input text.
+    """
+
+    def verify_col(strg, locn, toks):
+        if col(locn, strg) != n:
+            raise ParseException(strg, locn, "matched token not at column {}".format(n))
+
+    return verify_col
+
+
+def replace_with(repl_str):
+    """
+    Helper method for common parse actions that simply return
+    a literal value.  Especially useful when used with
+    :class:`transform_string<ParserElement.transform_string>` ().
+
+    Example::
+
+        num = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+        na = one_of("N/A NA").set_parse_action(replace_with(math.nan))
+        term = na | num
+
+        term[1, ...].parse_string("324 234 N/A 234") # -> [324, 234, nan, 234]
+    """
+    return lambda s, l, t: [repl_str]
+
+
+def remove_quotes(s, l, t):
+    """
+    Helper parse action for removing quotation marks from parsed
+    quoted strings.
+
+    Example::
+
+        # by default, quotation marks are included in parsed results
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"]
+
+        # use remove_quotes to strip quotation marks from parsed results
+        quoted_string.set_parse_action(remove_quotes)
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"]
+    """
+    return t[0][1:-1]
+
+
+def with_attribute(*args, **attr_dict):
+    """
+    Helper to create a validating parse action to be used with start
+    tags created with :class:`make_xml_tags` or
+    :class:`make_html_tags`. Use ``with_attribute`` to qualify
+    a starting tag with a required attribute value, to avoid false
+    matches on common tags such as ``<TD>`` or ``<DIV>``.
+
+    Call ``with_attribute`` with a series of attribute names and
+    values. Specify the list of filter attributes names and values as:
+
+    - keyword arguments, as in ``(align="right")``, or
+    - as an explicit dict with ``**`` operator, when an attribute
+      name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}``
+    - a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align", "right"))``
+
+    For attribute names with a namespace prefix, you must use the second
+    form.  Attribute names are matched insensitive to upper/lower case.
+
+    If just testing for ``class`` (with or without a namespace), use
+    :class:`with_class`.
+
+    To verify that the attribute exists, but without specifying a value,
+    pass ``with_attribute.ANY_VALUE`` as the value.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div type="grid">1 4 0 1 0</div>
+            <div type="graph">1,3 2,3 1,1</div>
+            <div>this has no type</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+
+        # only match div tag having a type attribute with value "grid"
+        div_grid = div().set_parse_action(with_attribute(type="grid"))
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        # construct a match with any div tag having a type attribute, regardless of the value
+        div_any_type = div().set_parse_action(with_attribute(type=with_attribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    if args:
+        attrs = args[:]
+    else:
+        attrs = attr_dict.items()
+    attrs = [(k, v) for k, v in attrs]
+
+    def pa(s, l, tokens):
+        for attrName, attrValue in attrs:
+            if attrName not in tokens:
+                raise ParseException(s, l, "no matching attribute " + attrName)
+            if attrValue != with_attribute.ANY_VALUE and tokens[attrName] != attrValue:
+                raise ParseException(
+                    s,
+                    l,
+                    "attribute {!r} has value {!r}, must be {!r}".format(
+                        attrName, tokens[attrName], attrValue
+                    ),
+                )
+
+    return pa
+
+
+with_attribute.ANY_VALUE = object()
+
+
+def with_class(classname, namespace=""):
+    """
+    Simplified version of :class:`with_attribute` when
+    matching on a div class - made difficult because ``class`` is
+    a reserved word in Python.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div class="grid">1 4 0 1 0</div>
+            <div class="graph">1,3 2,3 1,1</div>
+            <div>this &lt;div&gt; has no class</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+        div_grid = div().set_parse_action(with_class("grid"))
+
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        div_any_type = div().set_parse_action(with_class(withAttribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    classattr = "{}:class".format(namespace) if namespace else "class"
+    return with_attribute(**{classattr: classname})
+
+
+# pre-PEP8 compatibility symbols
+replaceWith = replace_with
+removeQuotes = remove_quotes
+withAttribute = with_attribute
+withClass = with_class
+matchOnlyAtCol = match_only_at_col
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/common.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/common.py
new file mode 100644
index 00000000..1859fb79
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/common.py
@@ -0,0 +1,424 @@
+# common.py
+from .core import *
+from .helpers import delimited_list, any_open_tag, any_close_tag
+from datetime import datetime
+
+
+# some other useful expressions - using lower-case class name since we are really using this as a namespace
+class pyparsing_common:
+    """Here are some common low-level expressions that may be useful in
+    jump-starting parser development:
+
+    - numeric forms (:class:`integers<integer>`, :class:`reals<real>`,
+      :class:`scientific notation<sci_real>`)
+    - common :class:`programming identifiers<identifier>`
+    - network addresses (:class:`MAC<mac_address>`,
+      :class:`IPv4<ipv4_address>`, :class:`IPv6<ipv6_address>`)
+    - ISO8601 :class:`dates<iso8601_date>` and
+      :class:`datetime<iso8601_datetime>`
+    - :class:`UUID<uuid>`
+    - :class:`comma-separated list<comma_separated_list>`
+    - :class:`url`
+
+    Parse actions:
+
+    - :class:`convertToInteger`
+    - :class:`convertToFloat`
+    - :class:`convertToDate`
+    - :class:`convertToDatetime`
+    - :class:`stripHTMLTags`
+    - :class:`upcaseTokens`
+    - :class:`downcaseTokens`
+
+    Example::
+
+        pyparsing_common.number.runTests('''
+            # any int or real number, returned as the appropriate type
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.fnumber.runTests('''
+            # any int or real number, returned as float
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.hex_integer.runTests('''
+            # hex numbers
+            100
+            FF
+            ''')
+
+        pyparsing_common.fraction.runTests('''
+            # fractions
+            1/2
+            -3/4
+            ''')
+
+        pyparsing_common.mixed_integer.runTests('''
+            # mixed fractions
+            1
+            1/2
+            -3/4
+            1-3/4
+            ''')
+
+        import uuid
+        pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID))
+        pyparsing_common.uuid.runTests('''
+            # uuid
+            12345678-1234-5678-1234-567812345678
+            ''')
+
+    prints::
+
+        # any int or real number, returned as the appropriate type
+        100
+        [100]
+
+        -100
+        [-100]
+
+        +100
+        [100]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # any int or real number, returned as float
+        100
+        [100.0]
+
+        -100
+        [-100.0]
+
+        +100
+        [100.0]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # hex numbers
+        100
+        [256]
+
+        FF
+        [255]
+
+        # fractions
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        # mixed fractions
+        1
+        [1]
+
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        1-3/4
+        [1.75]
+
+        # uuid
+        12345678-1234-5678-1234-567812345678
+        [UUID('12345678-1234-5678-1234-567812345678')]
+    """
+
+    convert_to_integer = token_map(int)
+    """
+    Parse action for converting parsed integers to Python int
+    """
+
+    convert_to_float = token_map(float)
+    """
+    Parse action for converting parsed numbers to Python float
+    """
+
+    integer = Word(nums).set_name("integer").set_parse_action(convert_to_integer)
+    """expression that parses an unsigned integer, returns an int"""
+
+    hex_integer = (
+        Word(hexnums).set_name("hex integer").set_parse_action(token_map(int, 16))
+    )
+    """expression that parses a hexadecimal integer, returns an int"""
+
+    signed_integer = (
+        Regex(r"[+-]?\d+")
+        .set_name("signed integer")
+        .set_parse_action(convert_to_integer)
+    )
+    """expression that parses an integer with optional leading sign, returns an int"""
+
+    fraction = (
+        signed_integer().set_parse_action(convert_to_float)
+        + "/"
+        + signed_integer().set_parse_action(convert_to_float)
+    ).set_name("fraction")
+    """fractional expression of an integer divided by an integer, returns a float"""
+    fraction.add_parse_action(lambda tt: tt[0] / tt[-1])
+
+    mixed_integer = (
+        fraction | signed_integer + Opt(Opt("-").suppress() + fraction)
+    ).set_name("fraction or mixed integer-fraction")
+    """mixed integer of the form 'integer - fraction', with optional leading integer, returns float"""
+    mixed_integer.add_parse_action(sum)
+
+    real = (
+        Regex(r"[+-]?(?:\d+\.\d*|\.\d+)")
+        .set_name("real number")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number and returns a float"""
+
+    sci_real = (
+        Regex(r"[+-]?(?:\d+(?:[eE][+-]?\d+)|(?:\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?)")
+        .set_name("real number with scientific notation")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number with optional
+    scientific notation and returns a float"""
+
+    # streamlining this expression makes the docs nicer-looking
+    number = (sci_real | real | signed_integer).setName("number").streamline()
+    """any numeric expression, returns the corresponding Python type"""
+
+    fnumber = (
+        Regex(r"[+-]?\d+\.?\d*([eE][+-]?\d+)?")
+        .set_name("fnumber")
+        .set_parse_action(convert_to_float)
+    )
+    """any int or real number, returned as float"""
+
+    identifier = Word(identchars, identbodychars).set_name("identifier")
+    """typical code identifier (leading alpha or '_', followed by 0 or more alphas, nums, or '_')"""
+
+    ipv4_address = Regex(
+        r"(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}"
+    ).set_name("IPv4 address")
+    "IPv4 address (``0.0.0.0 - 255.255.255.255``)"
+
+    _ipv6_part = Regex(r"[0-9a-fA-F]{1,4}").set_name("hex_integer")
+    _full_ipv6_address = (_ipv6_part + (":" + _ipv6_part) * 7).set_name(
+        "full IPv6 address"
+    )
+    _short_ipv6_address = (
+        Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+        + "::"
+        + Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+    ).set_name("short IPv6 address")
+    _short_ipv6_address.add_condition(
+        lambda t: sum(1 for tt in t if pyparsing_common._ipv6_part.matches(tt)) < 8
+    )
+    _mixed_ipv6_address = ("::ffff:" + ipv4_address).set_name("mixed IPv6 address")
+    ipv6_address = Combine(
+        (_full_ipv6_address | _mixed_ipv6_address | _short_ipv6_address).set_name(
+            "IPv6 address"
+        )
+    ).set_name("IPv6 address")
+    "IPv6 address (long, short, or mixed form)"
+
+    mac_address = Regex(
+        r"[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}"
+    ).set_name("MAC address")
+    "MAC address xx:xx:xx:xx:xx (may also have '-' or '.' delimiters)"
+
+    @staticmethod
+    def convert_to_date(fmt: str = "%Y-%m-%d"):
+        """
+        Helper to create a parse action for converting parsed date string to Python datetime.date
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%d"``)
+
+        Example::
+
+            date_expr = pyparsing_common.iso8601_date.copy()
+            date_expr.setParseAction(pyparsing_common.convertToDate())
+            print(date_expr.parseString("1999-12-31"))
+
+        prints::
+
+            [datetime.date(1999, 12, 31)]
+        """
+
+        def cvt_fn(ss, ll, tt):
+            try:
+                return datetime.strptime(tt[0], fmt).date()
+            except ValueError as ve:
+                raise ParseException(ss, ll, str(ve))
+
+        return cvt_fn
+
+    @staticmethod
+    def convert_to_datetime(fmt: str = "%Y-%m-%dT%H:%M:%S.%f"):
+        """Helper to create a parse action for converting parsed
+        datetime string to Python datetime.datetime
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%dT%H:%M:%S.%f"``)
+
+        Example::
+
+            dt_expr = pyparsing_common.iso8601_datetime.copy()
+            dt_expr.setParseAction(pyparsing_common.convertToDatetime())
+            print(dt_expr.parseString("1999-12-31T23:59:59.999"))
+
+        prints::
+
+            [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)]
+        """
+
+        def cvt_fn(s, l, t):
+            try:
+                return datetime.strptime(t[0], fmt)
+            except ValueError as ve:
+                raise ParseException(s, l, str(ve))
+
+        return cvt_fn
+
+    iso8601_date = Regex(
+        r"(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?"
+    ).set_name("ISO8601 date")
+    "ISO8601 date (``yyyy-mm-dd``)"
+
+    iso8601_datetime = Regex(
+        r"(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?"
+    ).set_name("ISO8601 datetime")
+    "ISO8601 datetime (``yyyy-mm-ddThh:mm:ss.s(Z|+-00:00)``) - trailing seconds, milliseconds, and timezone optional; accepts separating ``'T'`` or ``' '``"
+
+    uuid = Regex(r"[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}").set_name("UUID")
+    "UUID (``xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx``)"
+
+    _html_stripper = any_open_tag.suppress() | any_close_tag.suppress()
+
+    @staticmethod
+    def strip_html_tags(s: str, l: int, tokens: ParseResults):
+        """Parse action to remove HTML tags from web page HTML source
+
+        Example::
+
+            # strip HTML links from normal text
+            text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+            td, td_end = makeHTMLTags("TD")
+            table_text = td + SkipTo(td_end).setParseAction(pyparsing_common.stripHTMLTags)("body") + td_end
+            print(table_text.parseString(text).body)
+
+        Prints::
+
+            More info at the pyparsing wiki page
+        """
+        return pyparsing_common._html_stripper.transform_string(tokens[0])
+
+    _commasepitem = (
+        Combine(
+            OneOrMore(
+                ~Literal(",")
+                + ~LineEnd()
+                + Word(printables, exclude_chars=",")
+                + Opt(White(" \t") + ~FollowedBy(LineEnd() | ","))
+            )
+        )
+        .streamline()
+        .set_name("commaItem")
+    )
+    comma_separated_list = delimited_list(
+        Opt(quoted_string.copy() | _commasepitem, default="")
+    ).set_name("comma separated list")
+    """Predefined expression of 1 or more printable words or quoted strings, separated by commas."""
+
+    upcase_tokens = staticmethod(token_map(lambda t: t.upper()))
+    """Parse action to convert tokens to upper case."""
+
+    downcase_tokens = staticmethod(token_map(lambda t: t.lower()))
+    """Parse action to convert tokens to lower case."""
+
+    # fmt: off
+    url = Regex(
+        # https://mathiasbynens.be/demo/url-regex
+        # https://gist.github.com/dperini/729294
+        r"^" +
+        # protocol identifier (optional)
+        # short syntax // still required
+        r"(?:(?:(?P<scheme>https?|ftp):)?\/\/)" +
+        # user:pass BasicAuth (optional)
+        r"(?:(?P<auth>\S+(?::\S*)?)@)?" +
+        r"(?P<host>" +
+        # IP address exclusion
+        # private & local networks
+        r"(?!(?:10|127)(?:\.\d{1,3}){3})" +
+        r"(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})" +
+        r"(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})" +
+        # IP address dotted notation octets
+        # excludes loopback network 0.0.0.0
+        # excludes reserved space >= 224.0.0.0
+        # excludes network & broadcast addresses
+        # (first & last IP address of each class)
+        r"(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])" +
+        r"(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}" +
+        r"(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))" +
+        r"|" +
+        # host & domain names, may end with dot
+        # can be replaced by a shortest alternative
+        # (?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.)+
+        r"(?:" +
+        r"(?:" +
+        r"[a-z0-9\u00a1-\uffff]" +
+        r"[a-z0-9\u00a1-\uffff_-]{0,62}" +
+        r")?" +
+        r"[a-z0-9\u00a1-\uffff]\." +
+        r")+" +
+        # TLD identifier name, may end with dot
+        r"(?:[a-z\u00a1-\uffff]{2,}\.?)" +
+        r")" +
+        # port number (optional)
+        r"(:(?P<port>\d{2,5}))?" +
+        # resource path (optional)
+        r"(?P<path>\/[^?# ]*)?" +
+        # query string (optional)
+        r"(\?(?P<query>[^#]*))?" +
+        # fragment (optional)
+        r"(#(?P<fragment>\S*))?" +
+        r"$"
+    ).set_name("url")
+    # fmt: on
+
+    # pre-PEP8 compatibility names
+    convertToInteger = convert_to_integer
+    convertToFloat = convert_to_float
+    convertToDate = convert_to_date
+    convertToDatetime = convert_to_datetime
+    stripHTMLTags = strip_html_tags
+    upcaseTokens = upcase_tokens
+    downcaseTokens = downcase_tokens
+
+
+_builtin_exprs = [
+    v for v in vars(pyparsing_common).values() if isinstance(v, ParserElement)
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/core.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/core.py
new file mode 100644
index 00000000..9acba3f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/core.py
@@ -0,0 +1,5814 @@
+#
+# core.py
+#
+import os
+import typing
+from typing import (
+    NamedTuple,
+    Union,
+    Callable,
+    Any,
+    Generator,
+    Tuple,
+    List,
+    TextIO,
+    Set,
+    Sequence,
+)
+from abc import ABC, abstractmethod
+from enum import Enum
+import string
+import copy
+import warnings
+import re
+import sys
+from collections.abc import Iterable
+import traceback
+import types
+from operator import itemgetter
+from functools import wraps
+from threading import RLock
+from pathlib import Path
+
+from .util import (
+    _FifoCache,
+    _UnboundedCache,
+    __config_flags,
+    _collapse_string_to_ranges,
+    _escape_regex_range_chars,
+    _bslash,
+    _flatten,
+    LRUMemo as _LRUMemo,
+    UnboundedMemo as _UnboundedMemo,
+)
+from .exceptions import *
+from .actions import *
+from .results import ParseResults, _ParseResultsWithOffset
+from .unicode import pyparsing_unicode
+
+_MAX_INT = sys.maxsize
+str_type: Tuple[type, ...] = (str, bytes)
+
+#
+# Copyright (c) 2003-2022  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+
+if sys.version_info >= (3, 8):
+    from functools import cached_property
+else:
+
+    class cached_property:
+        def __init__(self, func):
+            self._func = func
+
+        def __get__(self, instance, owner=None):
+            ret = instance.__dict__[self._func.__name__] = self._func(instance)
+            return ret
+
+
+class __compat__(__config_flags):
+    """
+    A cross-version compatibility configuration for pyparsing features that will be
+    released in a future version. By setting values in this configuration to True,
+    those features can be enabled in prior versions for compatibility development
+    and testing.
+
+    - ``collect_all_And_tokens`` - flag to enable fix for Issue #63 that fixes erroneous grouping
+      of results names when an :class:`And` expression is nested within an :class:`Or` or :class:`MatchFirst`;
+      maintained for compatibility, but setting to ``False`` no longer restores pre-2.3.1
+      behavior
+    """
+
+    _type_desc = "compatibility"
+
+    collect_all_And_tokens = True
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _fixed_names = """
+        collect_all_And_tokens
+        """.split()
+
+
+class __diag__(__config_flags):
+    _type_desc = "diagnostic"
+
+    warn_multiple_tokens_in_named_alternation = False
+    warn_ungrouped_named_tokens_in_collection = False
+    warn_name_set_on_empty_Forward = False
+    warn_on_parse_using_empty_Forward = False
+    warn_on_assignment_to_Forward = False
+    warn_on_multiple_string_args_to_oneof = False
+    warn_on_match_first_with_lshift_operator = False
+    enable_debug_on_named_expressions = False
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _warning_names = [name for name in _all_names if name.startswith("warn")]
+    _debug_names = [name for name in _all_names if name.startswith("enable_debug")]
+
+    @classmethod
+    def enable_all_warnings(cls) -> None:
+        for name in cls._warning_names:
+            cls.enable(name)
+
+
+class Diagnostics(Enum):
+    """
+    Diagnostic configuration (all default to disabled)
+    - ``warn_multiple_tokens_in_named_alternation`` - flag to enable warnings when a results
+      name is defined on a :class:`MatchFirst` or :class:`Or` expression with one or more :class:`And` subexpressions
+    - ``warn_ungrouped_named_tokens_in_collection`` - flag to enable warnings when a results
+      name is defined on a containing expression with ungrouped subexpressions that also
+      have results names
+    - ``warn_name_set_on_empty_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      with a results name, but has no contents defined
+    - ``warn_on_parse_using_empty_Forward`` - flag to enable warnings when a :class:`Forward` is
+      defined in a grammar but has never had an expression attached to it
+    - ``warn_on_assignment_to_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      but is overwritten by assigning using ``'='`` instead of ``'<<='`` or ``'<<'``
+    - ``warn_on_multiple_string_args_to_oneof`` - flag to enable warnings when :class:`one_of` is
+      incorrectly called with multiple str arguments
+    - ``enable_debug_on_named_expressions`` - flag to auto-enable debug on all subsequent
+      calls to :class:`ParserElement.set_name`
+
+    Diagnostics are enabled/disabled by calling :class:`enable_diag` and :class:`disable_diag`.
+    All warnings can be enabled by calling :class:`enable_all_warnings`.
+    """
+
+    warn_multiple_tokens_in_named_alternation = 0
+    warn_ungrouped_named_tokens_in_collection = 1
+    warn_name_set_on_empty_Forward = 2
+    warn_on_parse_using_empty_Forward = 3
+    warn_on_assignment_to_Forward = 4
+    warn_on_multiple_string_args_to_oneof = 5
+    warn_on_match_first_with_lshift_operator = 6
+    enable_debug_on_named_expressions = 7
+
+
+def enable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Enable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.enable(diag_enum.name)
+
+
+def disable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Disable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.disable(diag_enum.name)
+
+
+def enable_all_warnings() -> None:
+    """
+    Enable all global pyparsing diagnostic warnings (see :class:`Diagnostics`).
+    """
+    __diag__.enable_all_warnings()
+
+
+# hide abstract class
+del __config_flags
+
+
+def _should_enable_warnings(
+    cmd_line_warn_options: typing.Iterable[str], warn_env_var: typing.Optional[str]
+) -> bool:
+    enable = bool(warn_env_var)
+    for warn_opt in cmd_line_warn_options:
+        w_action, w_message, w_category, w_module, w_line = (warn_opt + "::::").split(
+            ":"
+        )[:5]
+        if not w_action.lower().startswith("i") and (
+            not (w_message or w_category or w_module) or w_module == "pyparsing"
+        ):
+            enable = True
+        elif w_action.lower().startswith("i") and w_module in ("pyparsing", ""):
+            enable = False
+    return enable
+
+
+if _should_enable_warnings(
+    sys.warnoptions, os.environ.get("PYPARSINGENABLEALLWARNINGS")
+):
+    enable_all_warnings()
+
+
+# build list of single arg builtins, that can be used as parse actions
+_single_arg_builtins = {
+    sum,
+    len,
+    sorted,
+    reversed,
+    list,
+    tuple,
+    set,
+    any,
+    all,
+    min,
+    max,
+}
+
+_generatorType = types.GeneratorType
+ParseAction = Union[
+    Callable[[], Any],
+    Callable[[ParseResults], Any],
+    Callable[[int, ParseResults], Any],
+    Callable[[str, int, ParseResults], Any],
+]
+ParseCondition = Union[
+    Callable[[], bool],
+    Callable[[ParseResults], bool],
+    Callable[[int, ParseResults], bool],
+    Callable[[str, int, ParseResults], bool],
+]
+ParseFailAction = Callable[[str, int, "ParserElement", Exception], None]
+DebugStartAction = Callable[[str, int, "ParserElement", bool], None]
+DebugSuccessAction = Callable[
+    [str, int, int, "ParserElement", ParseResults, bool], None
+]
+DebugExceptionAction = Callable[[str, int, "ParserElement", Exception, bool], None]
+
+
+alphas = string.ascii_uppercase + string.ascii_lowercase
+identchars = pyparsing_unicode.Latin1.identchars
+identbodychars = pyparsing_unicode.Latin1.identbodychars
+nums = "0123456789"
+hexnums = nums + "ABCDEFabcdef"
+alphanums = alphas + nums
+printables = "".join([c for c in string.printable if c not in string.whitespace])
+
+_trim_arity_call_line: traceback.StackSummary = None
+
+
+def _trim_arity(func, max_limit=3):
+    """decorator to trim function calls to match the arity of the target"""
+    global _trim_arity_call_line
+
+    if func in _single_arg_builtins:
+        return lambda s, l, t: func(t)
+
+    limit = 0
+    found_arity = False
+
+    def extract_tb(tb, limit=0):
+        frames = traceback.extract_tb(tb, limit=limit)
+        frame_summary = frames[-1]
+        return [frame_summary[:2]]
+
+    # synthesize what would be returned by traceback.extract_stack at the call to
+    # user's parse action 'func', so that we don't incur call penalty at parse time
+
+    # fmt: off
+    LINE_DIFF = 7
+    # IF ANY CODE CHANGES, EVEN JUST COMMENTS OR BLANK LINES, BETWEEN THE NEXT LINE AND
+    # THE CALL TO FUNC INSIDE WRAPPER, LINE_DIFF MUST BE MODIFIED!!!!
+    _trim_arity_call_line = (_trim_arity_call_line or traceback.extract_stack(limit=2)[-1])
+    pa_call_line_synth = (_trim_arity_call_line[0], _trim_arity_call_line[1] + LINE_DIFF)
+
+    def wrapper(*args):
+        nonlocal found_arity, limit
+        while 1:
+            try:
+                ret = func(*args[limit:])
+                found_arity = True
+                return ret
+            except TypeError as te:
+                # re-raise TypeErrors if they did not come from our arity testing
+                if found_arity:
+                    raise
+                else:
+                    tb = te.__traceback__
+                    trim_arity_type_error = (
+                        extract_tb(tb, limit=2)[-1][:2] == pa_call_line_synth
+                    )
+                    del tb
+
+                    if trim_arity_type_error:
+                        if limit < max_limit:
+                            limit += 1
+                            continue
+
+                    raise
+    # fmt: on
+
+    # copy func name to wrapper for sensible debug output
+    # (can't use functools.wraps, since that messes with function signature)
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    wrapper.__name__ = func_name
+    wrapper.__doc__ = func.__doc__
+
+    return wrapper
+
+
+def condition_as_parse_action(
+    fn: ParseCondition, message: str = None, fatal: bool = False
+) -> ParseAction:
+    """
+    Function to convert a simple predicate function that returns ``True`` or ``False``
+    into a parse action. Can be used in places when a parse action is required
+    and :class:`ParserElement.add_condition` cannot be used (such as when adding a condition
+    to an operator level in :class:`infix_notation`).
+
+    Optional keyword arguments:
+
+    - ``message`` - define a custom message to be used in the raised exception
+    - ``fatal`` - if True, will raise :class:`ParseFatalException` to stop parsing immediately;
+      otherwise will raise :class:`ParseException`
+
+    """
+    msg = message if message is not None else "failed user-defined condition"
+    exc_type = ParseFatalException if fatal else ParseException
+    fn = _trim_arity(fn)
+
+    @wraps(fn)
+    def pa(s, l, t):
+        if not bool(fn(s, l, t)):
+            raise exc_type(s, l, msg)
+
+    return pa
+
+
+def _default_start_debug_action(
+    instring: str, loc: int, expr: "ParserElement", cache_hit: bool = False
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(
+        (
+            "{}Match {} at loc {}({},{})\n  {}\n  {}^".format(
+                cache_hit_str,
+                expr,
+                loc,
+                lineno(loc, instring),
+                col(loc, instring),
+                line(loc, instring),
+                " " * (col(loc, instring) - 1),
+            )
+        )
+    )
+
+
+def _default_success_debug_action(
+    instring: str,
+    startloc: int,
+    endloc: int,
+    expr: "ParserElement",
+    toks: ParseResults,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print("{}Matched {} -> {}".format(cache_hit_str, expr, toks.as_list()))
+
+
+def _default_exception_debug_action(
+    instring: str,
+    loc: int,
+    expr: "ParserElement",
+    exc: Exception,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(
+        "{}Match {} failed, {} raised: {}".format(
+            cache_hit_str, expr, type(exc).__name__, exc
+        )
+    )
+
+
+def null_debug_action(*args):
+    """'Do-nothing' debug action, to suppress debugging output during parsing."""
+
+
+class ParserElement(ABC):
+    """Abstract base level parser element class."""
+
+    DEFAULT_WHITE_CHARS: str = " \n\t\r"
+    verbose_stacktrace: bool = False
+    _literalStringClass: typing.Optional[type] = None
+
+    @staticmethod
+    def set_default_whitespace_chars(chars: str) -> None:
+        r"""
+        Overrides the default whitespace chars
+
+        Example::
+
+            # default whitespace chars are space, <TAB> and newline
+            Word(alphas)[1, ...].parse_string("abc def\nghi jkl")  # -> ['abc', 'def', 'ghi', 'jkl']
+
+            # change to just treat newline as significant
+            ParserElement.set_default_whitespace_chars(" \t")
+            Word(alphas)[1, ...].parse_string("abc def\nghi jkl")  # -> ['abc', 'def']
+        """
+        ParserElement.DEFAULT_WHITE_CHARS = chars
+
+        # update whitespace all parse expressions defined in this module
+        for expr in _builtin_exprs:
+            if expr.copyDefaultWhiteChars:
+                expr.whiteChars = set(chars)
+
+    @staticmethod
+    def inline_literals_using(cls: type) -> None:
+        """
+        Set class to be used for inclusion of string literals into a parser.
+
+        Example::
+
+            # default literal class used is Literal
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '/', '12', '/', '31']
+
+
+            # change to Suppress
+            ParserElement.inline_literals_using(Suppress)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '12', '31']
+        """
+        ParserElement._literalStringClass = cls
+
+    class DebugActions(NamedTuple):
+        debug_try: typing.Optional[DebugStartAction]
+        debug_match: typing.Optional[DebugSuccessAction]
+        debug_fail: typing.Optional[DebugExceptionAction]
+
+    def __init__(self, savelist: bool = False):
+        self.parseAction: List[ParseAction] = list()
+        self.failAction: typing.Optional[ParseFailAction] = None
+        self.customName = None
+        self._defaultName = None
+        self.resultsName = None
+        self.saveAsList = savelist
+        self.skipWhitespace = True
+        self.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        self.copyDefaultWhiteChars = True
+        # used when checking for left-recursion
+        self.mayReturnEmpty = False
+        self.keepTabs = False
+        self.ignoreExprs: List["ParserElement"] = list()
+        self.debug = False
+        self.streamlined = False
+        # optimize exception handling for subclasses that don't advance parse index
+        self.mayIndexError = True
+        self.errmsg = ""
+        # mark results names as modal (report only last) or cumulative (list all)
+        self.modalResults = True
+        # custom debug actions
+        self.debugActions = self.DebugActions(None, None, None)
+        # avoid redundant calls to preParse
+        self.callPreparse = True
+        self.callDuringTry = False
+        self.suppress_warnings_: List[Diagnostics] = []
+
+    def suppress_warning(self, warning_type: Diagnostics) -> "ParserElement":
+        """
+        Suppress warnings emitted for a particular diagnostic on this expression.
+
+        Example::
+
+            base = pp.Forward()
+            base.suppress_warning(Diagnostics.warn_on_parse_using_empty_Forward)
+
+            # statement would normally raise a warning, but is now suppressed
+            print(base.parseString("x"))
+
+        """
+        self.suppress_warnings_.append(warning_type)
+        return self
+
+    def copy(self) -> "ParserElement":
+        """
+        Make a copy of this :class:`ParserElement`.  Useful for defining
+        different parse actions for the same parsing pattern, using copies of
+        the original parse element.
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            integerK = integer.copy().add_parse_action(lambda toks: toks[0] * 1024) + Suppress("K")
+            integerM = integer.copy().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+
+            print((integerK | integerM | integer)[1, ...].parse_string("5K 100 640K 256M"))
+
+        prints::
+
+            [5120, 100, 655360, 268435456]
+
+        Equivalent form of ``expr.copy()`` is just ``expr()``::
+
+            integerM = integer().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+        """
+        cpy = copy.copy(self)
+        cpy.parseAction = self.parseAction[:]
+        cpy.ignoreExprs = self.ignoreExprs[:]
+        if self.copyDefaultWhiteChars:
+            cpy.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        return cpy
+
+    def set_results_name(
+        self, name: str, list_all_matches: bool = False, *, listAllMatches: bool = False
+    ) -> "ParserElement":
+        """
+        Define name for referencing matching tokens as a nested attribute
+        of the returned parse results.
+
+        Normally, results names are assigned as you would assign keys in a dict:
+        any existing value is overwritten by later values. If it is necessary to
+        keep all values captured for a particular results name, call ``set_results_name``
+        with ``list_all_matches`` = True.
+
+        NOTE: ``set_results_name`` returns a *copy* of the original :class:`ParserElement` object;
+        this is so that the client can define a basic element, such as an
+        integer, and reference it in multiple places with different names.
+
+        You can also set results names using the abbreviated syntax,
+        ``expr("name")`` in place of ``expr.set_results_name("name")``
+        - see :class:`__call__`. If ``list_all_matches`` is required, use
+        ``expr("name*")``.
+
+        Example::
+
+            date_str = (integer.set_results_name("year") + '/'
+                        + integer.set_results_name("month") + '/'
+                        + integer.set_results_name("day"))
+
+            # equivalent form:
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+        """
+        listAllMatches = listAllMatches or list_all_matches
+        return self._setResultsName(name, listAllMatches)
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if name is None:
+            return self
+        newself = self.copy()
+        if name.endswith("*"):
+            name = name[:-1]
+            listAllMatches = True
+        newself.resultsName = name
+        newself.modalResults = not listAllMatches
+        return newself
+
+    def set_break(self, break_flag: bool = True) -> "ParserElement":
+        """
+        Method to invoke the Python pdb debugger when this element is
+        about to be parsed. Set ``break_flag`` to ``True`` to enable, ``False`` to
+        disable.
+        """
+        if break_flag:
+            _parseMethod = self._parse
+
+            def breaker(instring, loc, doActions=True, callPreParse=True):
+                import pdb
+
+                # this call to pdb.set_trace() is intentional, not a checkin error
+                pdb.set_trace()
+                return _parseMethod(instring, loc, doActions, callPreParse)
+
+            breaker._originalParseMethod = _parseMethod
+            self._parse = breaker
+        else:
+            if hasattr(self._parse, "_originalParseMethod"):
+                self._parse = self._parse._originalParseMethod
+        return self
+
+    def set_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Define one or more actions to perform when successfully matching parse element definition.
+
+        Parse actions can be called to perform data conversions, do extra validation,
+        update external data structures, or enhance or replace the parsed tokens.
+        Each parse action ``fn`` is a callable method with 0-3 arguments, called as
+        ``fn(s, loc, toks)`` , ``fn(loc, toks)`` , ``fn(toks)`` , or just ``fn()`` , where:
+
+        - s   = the original string being parsed (see note below)
+        - loc = the location of the matching substring
+        - toks = a list of the matched tokens, packaged as a :class:`ParseResults` object
+
+        The parsed tokens are passed to the parse action as ParseResults. They can be
+        modified in place using list-style append, extend, and pop operations to update
+        the parsed list elements; and with dictionary-style item set and del operations
+        to add, update, or remove any named results. If the tokens are modified in place,
+        it is not necessary to return them with a return statement.
+
+        Parse actions can also completely replace the given tokens, with another ``ParseResults``
+        object, or with some entirely different object (common for parse actions that perform data
+        conversions). A convenient way to build a new parse result is to define the values
+        using a dict, and then create the return value using :class:`ParseResults.from_dict`.
+
+        If None is passed as the ``fn`` parse action, all previously added parse actions for this
+        expression are cleared.
+
+        Optional keyword arguments:
+
+        - call_during_try = (default= ``False``) indicate if parse action should be run during
+          lookaheads and alternate testing. For parse actions that have side effects, it is
+          important to only call the parse action once it is determined that it is being
+          called as part of a successful parse. For parse actions that perform additional
+          validation, then call_during_try should be passed as True, so that the validation
+          code is included in the preliminary "try" parses.
+
+        Note: the default parsing behavior is to expand tabs in the input string
+        before starting the parsing process.  See :class:`parse_string` for more
+        information on parsing strings containing ``<TAB>`` s, and suggested
+        methods to maintain a consistent view of the parsed string, the parse
+        location, and line and column positions within the parsed string.
+
+        Example::
+
+            # parse dates in the form YYYY/MM/DD
+
+            # use parse action to convert toks from str to int at parse time
+            def convert_to_int(toks):
+                return int(toks[0])
+
+            # use a parse action to verify that the date is a valid date
+            def is_valid_date(instring, loc, toks):
+                from datetime import date
+                year, month, day = toks[::2]
+                try:
+                    date(year, month, day)
+                except ValueError:
+                    raise ParseException(instring, loc, "invalid date given")
+
+            integer = Word(nums)
+            date_str = integer + '/' + integer + '/' + integer
+
+            # add parse actions
+            integer.set_parse_action(convert_to_int)
+            date_str.set_parse_action(is_valid_date)
+
+            # note that integer fields are now ints, not strings
+            date_str.run_tests('''
+                # successful parse - note that integer fields were converted to ints
+                1999/12/31
+
+                # fail - invalid date
+                1999/13/31
+                ''')
+        """
+        if list(fns) == [None]:
+            self.parseAction = []
+        else:
+            if not all(callable(fn) for fn in fns):
+                raise TypeError("parse actions must be callable")
+            self.parseAction = [_trim_arity(fn) for fn in fns]
+            self.callDuringTry = kwargs.get(
+                "call_during_try", kwargs.get("callDuringTry", False)
+            )
+        return self
+
+    def add_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Add one or more parse actions to expression's list of parse actions. See :class:`set_parse_action`.
+
+        See examples in :class:`copy`.
+        """
+        self.parseAction += [_trim_arity(fn) for fn in fns]
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def add_condition(self, *fns: ParseCondition, **kwargs) -> "ParserElement":
+        """Add a boolean predicate function to expression's list of parse actions. See
+        :class:`set_parse_action` for function call signatures. Unlike ``set_parse_action``,
+        functions passed to ``add_condition`` need to return boolean success/fail of the condition.
+
+        Optional keyword arguments:
+
+        - message = define a custom message to be used in the raised exception
+        - fatal = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise
+          ParseException
+        - call_during_try = boolean to indicate if this method should be called during internal tryParse calls,
+          default=False
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            year_int = integer.copy()
+            year_int.add_condition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later")
+            date_str = year_int + '/' + integer + '/' + integer
+
+            result = date_str.parse_string("1999/12/31")  # -> Exception: Only support years 2000 and later (at char 0),
+                                                                         (line:1, col:1)
+        """
+        for fn in fns:
+            self.parseAction.append(
+                condition_as_parse_action(
+                    fn, message=kwargs.get("message"), fatal=kwargs.get("fatal", False)
+                )
+            )
+
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def set_fail_action(self, fn: ParseFailAction) -> "ParserElement":
+        """
+        Define action to perform if parsing fails at this expression.
+        Fail acton fn is a callable function that takes the arguments
+        ``fn(s, loc, expr, err)`` where:
+
+        - s = string being parsed
+        - loc = location where expression match was attempted and failed
+        - expr = the parse expression that failed
+        - err = the exception thrown
+
+        The function returns no value.  It may throw :class:`ParseFatalException`
+        if it is desired to stop parsing immediately."""
+        self.failAction = fn
+        return self
+
+    def _skipIgnorables(self, instring, loc):
+        exprsFound = True
+        while exprsFound:
+            exprsFound = False
+            for e in self.ignoreExprs:
+                try:
+                    while 1:
+                        loc, dummy = e._parse(instring, loc)
+                        exprsFound = True
+                except ParseException:
+                    pass
+        return loc
+
+    def preParse(self, instring, loc):
+        if self.ignoreExprs:
+            loc = self._skipIgnorables(instring, loc)
+
+        if self.skipWhitespace:
+            instrlen = len(instring)
+            white_chars = self.whiteChars
+            while loc < instrlen and instring[loc] in white_chars:
+                loc += 1
+
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        return loc, []
+
+    def postParse(self, instring, loc, tokenlist):
+        return tokenlist
+
+    # @profile
+    def _parseNoCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        TRY, MATCH, FAIL = 0, 1, 2
+        debugging = self.debug  # and doActions)
+        len_instring = len(instring)
+
+        if debugging or self.failAction:
+            # print("Match {} at loc {}({}, {})".format(self, loc, lineno(loc, instring), col(loc, instring)))
+            try:
+                if callPreParse and self.callPreparse:
+                    pre_loc = self.preParse(instring, loc)
+                else:
+                    pre_loc = loc
+                tokens_start = pre_loc
+                if self.debugActions.debug_try:
+                    self.debugActions.debug_try(instring, tokens_start, self, False)
+                if self.mayIndexError or pre_loc >= len_instring:
+                    try:
+                        loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                    except IndexError:
+                        raise ParseException(instring, len_instring, self.errmsg, self)
+                else:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+            except Exception as err:
+                # print("Exception raised:", err)
+                if self.debugActions.debug_fail:
+                    self.debugActions.debug_fail(
+                        instring, tokens_start, self, err, False
+                    )
+                if self.failAction:
+                    self.failAction(instring, tokens_start, self, err)
+                raise
+        else:
+            if callPreParse and self.callPreparse:
+                pre_loc = self.preParse(instring, loc)
+            else:
+                pre_loc = loc
+            tokens_start = pre_loc
+            if self.mayIndexError or pre_loc >= len_instring:
+                try:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                except IndexError:
+                    raise ParseException(instring, len_instring, self.errmsg, self)
+            else:
+                loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+
+        tokens = self.postParse(instring, loc, tokens)
+
+        ret_tokens = ParseResults(
+            tokens, self.resultsName, asList=self.saveAsList, modal=self.modalResults
+        )
+        if self.parseAction and (doActions or self.callDuringTry):
+            if debugging:
+                try:
+                    for fn in self.parseAction:
+                        try:
+                            tokens = fn(instring, tokens_start, ret_tokens)
+                        except IndexError as parse_action_exc:
+                            exc = ParseException("exception raised in parse action")
+                            raise exc from parse_action_exc
+
+                        if tokens is not None and tokens is not ret_tokens:
+                            ret_tokens = ParseResults(
+                                tokens,
+                                self.resultsName,
+                                asList=self.saveAsList
+                                and isinstance(tokens, (ParseResults, list)),
+                                modal=self.modalResults,
+                            )
+                except Exception as err:
+                    # print "Exception raised in user parse action:", err
+                    if self.debugActions.debug_fail:
+                        self.debugActions.debug_fail(
+                            instring, tokens_start, self, err, False
+                        )
+                    raise
+            else:
+                for fn in self.parseAction:
+                    try:
+                        tokens = fn(instring, tokens_start, ret_tokens)
+                    except IndexError as parse_action_exc:
+                        exc = ParseException("exception raised in parse action")
+                        raise exc from parse_action_exc
+
+                    if tokens is not None and tokens is not ret_tokens:
+                        ret_tokens = ParseResults(
+                            tokens,
+                            self.resultsName,
+                            asList=self.saveAsList
+                            and isinstance(tokens, (ParseResults, list)),
+                            modal=self.modalResults,
+                        )
+        if debugging:
+            # print("Matched", self, "->", ret_tokens.as_list())
+            if self.debugActions.debug_match:
+                self.debugActions.debug_match(
+                    instring, tokens_start, loc, self, ret_tokens, False
+                )
+
+        return loc, ret_tokens
+
+    def try_parse(self, instring: str, loc: int, raise_fatal: bool = False) -> int:
+        try:
+            return self._parse(instring, loc, doActions=False)[0]
+        except ParseFatalException:
+            if raise_fatal:
+                raise
+            raise ParseException(instring, loc, self.errmsg, self)
+
+    def can_parse_next(self, instring: str, loc: int) -> bool:
+        try:
+            self.try_parse(instring, loc)
+        except (ParseException, IndexError):
+            return False
+        else:
+            return True
+
+    # cache for left-recursion in Forward references
+    recursion_lock = RLock()
+    recursion_memos: typing.Dict[
+        Tuple[int, "Forward", bool], Tuple[int, Union[ParseResults, Exception]]
+    ] = {}
+
+    # argument cache for optimizing repeated calls when backtracking through recursive expressions
+    packrat_cache = (
+        {}
+    )  # this is set later by enabled_packrat(); this is here so that reset_cache() doesn't fail
+    packrat_cache_lock = RLock()
+    packrat_cache_stats = [0, 0]
+
+    # this method gets repeatedly called during backtracking with the same arguments -
+    # we can cache these arguments and save ourselves the trouble of re-parsing the contained expression
+    def _parseCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        HIT, MISS = 0, 1
+        TRY, MATCH, FAIL = 0, 1, 2
+        lookup = (self, instring, loc, callPreParse, doActions)
+        with ParserElement.packrat_cache_lock:
+            cache = ParserElement.packrat_cache
+            value = cache.get(lookup)
+            if value is cache.not_in_cache:
+                ParserElement.packrat_cache_stats[MISS] += 1
+                try:
+                    value = self._parseNoCache(instring, loc, doActions, callPreParse)
+                except ParseBaseException as pe:
+                    # cache a copy of the exception, without the traceback
+                    cache.set(lookup, pe.__class__(*pe.args))
+                    raise
+                else:
+                    cache.set(lookup, (value[0], value[1].copy(), loc))
+                    return value
+            else:
+                ParserElement.packrat_cache_stats[HIT] += 1
+                if self.debug and self.debugActions.debug_try:
+                    try:
+                        self.debugActions.debug_try(instring, loc, self, cache_hit=True)
+                    except TypeError:
+                        pass
+                if isinstance(value, Exception):
+                    if self.debug and self.debugActions.debug_fail:
+                        try:
+                            self.debugActions.debug_fail(
+                                instring, loc, self, value, cache_hit=True
+                            )
+                        except TypeError:
+                            pass
+                    raise value
+
+                loc_, result, endloc = value[0], value[1].copy(), value[2]
+                if self.debug and self.debugActions.debug_match:
+                    try:
+                        self.debugActions.debug_match(
+                            instring, loc_, endloc, self, result, cache_hit=True
+                        )
+                    except TypeError:
+                        pass
+
+                return loc_, result
+
+    _parse = _parseNoCache
+
+    @staticmethod
+    def reset_cache() -> None:
+        ParserElement.packrat_cache.clear()
+        ParserElement.packrat_cache_stats[:] = [0] * len(
+            ParserElement.packrat_cache_stats
+        )
+        ParserElement.recursion_memos.clear()
+
+    _packratEnabled = False
+    _left_recursion_enabled = False
+
+    @staticmethod
+    def disable_memoization() -> None:
+        """
+        Disables active Packrat or Left Recursion parsing and their memoization
+
+        This method also works if neither Packrat nor Left Recursion are enabled.
+        This makes it safe to call before activating Packrat nor Left Recursion
+        to clear any previous settings.
+        """
+        ParserElement.reset_cache()
+        ParserElement._left_recursion_enabled = False
+        ParserElement._packratEnabled = False
+        ParserElement._parse = ParserElement._parseNoCache
+
+    @staticmethod
+    def enable_left_recursion(
+        cache_size_limit: typing.Optional[int] = None, *, force=False
+    ) -> None:
+        """
+        Enables "bounded recursion" parsing, which allows for both direct and indirect
+        left-recursion. During parsing, left-recursive :class:`Forward` elements are
+        repeatedly matched with a fixed recursion depth that is gradually increased
+        until finding the longest match.
+
+        Example::
+
+            import pyparsing as pp
+            pp.ParserElement.enable_left_recursion()
+
+            E = pp.Forward("E")
+            num = pp.Word(pp.nums)
+            # match `num`, or `num '+' num`, or `num '+' num '+' num`, ...
+            E <<= E + '+' - num | num
+
+            print(E.parse_string("1+2+3"))
+
+        Recursion search naturally memoizes matches of ``Forward`` elements and may
+        thus skip reevaluation of parse actions during backtracking. This may break
+        programs with parse actions which rely on strict ordering of side-effects.
+
+        Parameters:
+
+        - cache_size_limit - (default=``None``) - memoize at most this many
+          ``Forward`` elements during matching; if ``None`` (the default),
+          memoize all ``Forward`` elements.
+
+        Bounded Recursion parsing works similar but not identical to Packrat parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._packratEnabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if cache_size_limit is None:
+            ParserElement.recursion_memos = _UnboundedMemo()
+        elif cache_size_limit > 0:
+            ParserElement.recursion_memos = _LRUMemo(capacity=cache_size_limit)
+        else:
+            raise NotImplementedError("Memo size of %s" % cache_size_limit)
+        ParserElement._left_recursion_enabled = True
+
+    @staticmethod
+    def enable_packrat(cache_size_limit: int = 128, *, force: bool = False) -> None:
+        """
+        Enables "packrat" parsing, which adds memoizing to the parsing logic.
+        Repeated parse attempts at the same string location (which happens
+        often in many complex grammars) can immediately return a cached value,
+        instead of re-executing parsing/validating code.  Memoizing is done of
+        both valid results and parsing exceptions.
+
+        Parameters:
+
+        - cache_size_limit - (default= ``128``) - if an integer value is provided
+          will limit the size of the packrat cache; if None is passed, then
+          the cache size will be unbounded; if 0 is passed, the cache will
+          be effectively disabled.
+
+        This speedup may break existing programs that use parse actions that
+        have side-effects.  For this reason, packrat parsing is disabled when
+        you first import pyparsing.  To activate the packrat feature, your
+        program must call the class method :class:`ParserElement.enable_packrat`.
+        For best results, call ``enable_packrat()`` immediately after
+        importing pyparsing.
+
+        Example::
+
+            import pyparsing
+            pyparsing.ParserElement.enable_packrat()
+
+        Packrat parsing works similar but not identical to Bounded Recursion parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._left_recursion_enabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if not ParserElement._packratEnabled:
+            ParserElement._packratEnabled = True
+            if cache_size_limit is None:
+                ParserElement.packrat_cache = _UnboundedCache()
+            else:
+                ParserElement.packrat_cache = _FifoCache(cache_size_limit)
+            ParserElement._parse = ParserElement._parseCache
+
+    def parse_string(
+        self, instring: str, parse_all: bool = False, *, parseAll: bool = False
+    ) -> ParseResults:
+        """
+        Parse a string with respect to the parser definition. This function is intended as the primary interface to the
+        client code.
+
+        :param instring: The input string to be parsed.
+        :param parse_all: If set, the entire input string must match the grammar.
+        :param parseAll: retained for pre-PEP8 compatibility, will be removed in a future release.
+        :raises ParseException: Raised if ``parse_all`` is set and the input string does not match the whole grammar.
+        :returns: the parsed data as a :class:`ParseResults` object, which may be accessed as a `list`, a `dict`, or
+          an object with attributes if the given parser includes results names.
+
+        If the input string is required to match the entire grammar, ``parse_all`` flag must be set to ``True``. This
+        is also equivalent to ending the grammar with :class:`StringEnd`().
+
+        To report proper column numbers, ``parse_string`` operates on a copy of the input string where all tabs are
+        converted to spaces (8 spaces per tab, as per the default in ``string.expandtabs``). If the input string
+        contains tabs and the grammar uses parse actions that use the ``loc`` argument to index into the string
+        being parsed, one can ensure a consistent view of the input string by doing one of the following:
+
+        - calling ``parse_with_tabs`` on your grammar before calling ``parse_string`` (see :class:`parse_with_tabs`),
+        - define your parse action using the full ``(s,loc,toks)`` signature, and reference the input string using the
+          parse action's ``s`` argument, or
+        - explicitly expand the tabs in your input string before calling ``parse_string``.
+
+        Examples:
+
+        By default, partial matches are OK.
+
+        >>> res = Word('a').parse_string('aaaaabaaa')
+        >>> print(res)
+        ['aaaaa']
+
+        The parsing behavior varies by the inheriting class of this abstract class. Please refer to the children
+        directly to see more examples.
+
+        It raises an exception if parse_all flag is set and instring does not match the whole grammar.
+
+        >>> res = Word('a').parse_string('aaaaabaaa', parse_all=True)
+        Traceback (most recent call last):
+        ...
+        pyparsing.ParseException: Expected end of text, found 'b'  (at char 5), (line:1, col:6)
+        """
+        parseAll = parse_all or parseAll
+
+        ParserElement.reset_cache()
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+        if not self.keepTabs:
+            instring = instring.expandtabs()
+        try:
+            loc, tokens = self._parse(instring, 0)
+            if parseAll:
+                loc = self.preParse(instring, loc)
+                se = Empty() + StringEnd()
+                se._parse(instring, loc)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clearing out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+        else:
+            return tokens
+
+    def scan_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        overlap: bool = False,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> Generator[Tuple[ParseResults, int, int], None, None]:
+        """
+        Scan the input string for expression matches.  Each match will return the
+        matching tokens, start location, and end location.  May be called with optional
+        ``max_matches`` argument, to clip scanning after 'n' matches are found.  If
+        ``overlap`` is specified, then overlapping matches will be reported.
+
+        Note that the start and end locations are reported relative to the string
+        being parsed.  See :class:`parse_string` for more information on parsing
+        strings with embedded tabs.
+
+        Example::
+
+            source = "sldjf123lsdjjkf345sldkjf879lkjsfd987"
+            print(source)
+            for tokens, start, end in Word(alphas).scan_string(source):
+                print(' '*start + '^'*(end-start))
+                print(' '*start + tokens[0])
+
+        prints::
+
+            sldjf123lsdjjkf345sldkjf879lkjsfd987
+            ^^^^^
+            sldjf
+                    ^^^^^^^
+                    lsdjjkf
+                              ^^^^^^
+                              sldkjf
+                                       ^^^^^^
+                                       lkjsfd
+        """
+        maxMatches = min(maxMatches, max_matches)
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+
+        if not self.keepTabs:
+            instring = str(instring).expandtabs()
+        instrlen = len(instring)
+        loc = 0
+        preparseFn = self.preParse
+        parseFn = self._parse
+        ParserElement.resetCache()
+        matches = 0
+        try:
+            while loc <= instrlen and matches < maxMatches:
+                try:
+                    preloc = preparseFn(instring, loc)
+                    nextLoc, tokens = parseFn(instring, preloc, callPreParse=False)
+                except ParseException:
+                    loc = preloc + 1
+                else:
+                    if nextLoc > loc:
+                        matches += 1
+                        if debug:
+                            print(
+                                {
+                                    "tokens": tokens.asList(),
+                                    "start": preloc,
+                                    "end": nextLoc,
+                                }
+                            )
+                        yield tokens, preloc, nextLoc
+                        if overlap:
+                            nextloc = preparseFn(instring, loc)
+                            if nextloc > loc:
+                                loc = nextLoc
+                            else:
+                                loc += 1
+                        else:
+                            loc = nextLoc
+                    else:
+                        loc = preloc + 1
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def transform_string(self, instring: str, *, debug: bool = False) -> str:
+        """
+        Extension to :class:`scan_string`, to modify matching text with modified tokens that may
+        be returned from a parse action.  To use ``transform_string``, define a grammar and
+        attach a parse action to it that modifies the returned token list.
+        Invoking ``transform_string()`` on a target string will then scan for matches,
+        and replace the matched text patterns according to the logic in the parse
+        action.  ``transform_string()`` returns the resulting transformed string.
+
+        Example::
+
+            wd = Word(alphas)
+            wd.set_parse_action(lambda toks: toks[0].title())
+
+            print(wd.transform_string("now is the winter of our discontent made glorious summer by this sun of york."))
+
+        prints::
+
+            Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York.
+        """
+        out: List[str] = []
+        lastE = 0
+        # force preservation of <TAB>s, to minimize unwanted transformation of string, and to
+        # keep string locs straight between transform_string and scan_string
+        self.keepTabs = True
+        try:
+            for t, s, e in self.scan_string(instring, debug=debug):
+                out.append(instring[lastE:s])
+                if t:
+                    if isinstance(t, ParseResults):
+                        out += t.as_list()
+                    elif isinstance(t, Iterable) and not isinstance(t, str_type):
+                        out.extend(t)
+                    else:
+                        out.append(t)
+                lastE = e
+            out.append(instring[lastE:])
+            out = [o for o in out if o]
+            return "".join([str(s) for s in _flatten(out)])
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def search_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> ParseResults:
+        """
+        Another extension to :class:`scan_string`, simplifying the access to the tokens found
+        to match the given parse expression.  May be called with optional
+        ``max_matches`` argument, to clip searching after 'n' matches are found.
+
+        Example::
+
+            # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters
+            cap_word = Word(alphas.upper(), alphas.lower())
+
+            print(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity"))
+
+            # the sum() builtin can be used to merge results into a single ParseResults object
+            print(sum(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity")))
+
+        prints::
+
+            [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']]
+            ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity']
+        """
+        maxMatches = min(maxMatches, max_matches)
+        try:
+            return ParseResults(
+                [t for t, s, e in self.scan_string(instring, maxMatches, debug=debug)]
+            )
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def split(
+        self,
+        instring: str,
+        maxsplit: int = _MAX_INT,
+        include_separators: bool = False,
+        *,
+        includeSeparators=False,
+    ) -> Generator[str, None, None]:
+        """
+        Generator method to split a string using the given expression as a separator.
+        May be called with optional ``maxsplit`` argument, to limit the number of splits;
+        and the optional ``include_separators`` argument (default= ``False``), if the separating
+        matching text should be included in the split results.
+
+        Example::
+
+            punc = one_of(list(".,;:/-!?"))
+            print(list(punc.split("This, this?, this sentence, is badly punctuated!")))
+
+        prints::
+
+            ['This', ' this', '', ' this sentence', ' is badly punctuated', '']
+        """
+        includeSeparators = includeSeparators or include_separators
+        last = 0
+        for t, s, e in self.scan_string(instring, max_matches=maxsplit):
+            yield instring[last:s]
+            if includeSeparators:
+                yield t[0]
+            last = e
+        yield instring[last:]
+
+    def __add__(self, other) -> "ParserElement":
+        """
+        Implementation of ``+`` operator - returns :class:`And`. Adding strings to a :class:`ParserElement`
+        converts them to :class:`Literal`s by default.
+
+        Example::
+
+            greet = Word(alphas) + "," + Word(alphas) + "!"
+            hello = "Hello, World!"
+            print(hello, "->", greet.parse_string(hello))
+
+        prints::
+
+            Hello, World! -> ['Hello', ',', 'World', '!']
+
+        ``...`` may be used as a parse expression as a short form of :class:`SkipTo`.
+
+            Literal('start') + ... + Literal('end')
+
+        is equivalent to:
+
+            Literal('start') + SkipTo('end')("_skipped*") + Literal('end')
+
+        Note that the skipped text is returned with '_skipped' as a results name,
+        and to support having multiple skips in the same parser, the value returned is
+        a list of all skipped text.
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self)
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return And([self, other])
+
+    def __radd__(self, other) -> "ParserElement":
+        """
+        Implementation of ``+`` operator when left operand is not a :class:`ParserElement`
+        """
+        if other is Ellipsis:
+            return SkipTo(self)("_skipped*") + self
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other + self
+
+    def __sub__(self, other) -> "ParserElement":
+        """
+        Implementation of ``-`` operator, returns :class:`And` with error stop
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return self + And._ErrorStop() + other
+
+    def __rsub__(self, other) -> "ParserElement":
+        """
+        Implementation of ``-`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other - self
+
+    def __mul__(self, other) -> "ParserElement":
+        """
+        Implementation of ``*`` operator, allows use of ``expr * 3`` in place of
+        ``expr + expr + expr``.  Expressions may also be multiplied by a 2-integer
+        tuple, similar to ``{min, max}`` multipliers in regular expressions.  Tuples
+        may also include ``None`` as in:
+        - ``expr*(n, None)`` or ``expr*(n, )`` is equivalent
+             to ``expr*n + ZeroOrMore(expr)``
+             (read as "at least n instances of ``expr``")
+        - ``expr*(None, n)`` is equivalent to ``expr*(0, n)``
+             (read as "0 to n instances of ``expr``")
+        - ``expr*(None, None)`` is equivalent to ``ZeroOrMore(expr)``
+        - ``expr*(1, None)`` is equivalent to ``OneOrMore(expr)``
+
+        Note that ``expr*(None, n)`` does not raise an exception if
+        more than n exprs exist in the input stream; that is,
+        ``expr*(None, n)`` does not enforce a maximum number of expr
+        occurrences.  If this behavior is desired, then write
+        ``expr*(None, n) + ~expr``
+        """
+        if other is Ellipsis:
+            other = (0, None)
+        elif isinstance(other, tuple) and other[:1] == (Ellipsis,):
+            other = ((0,) + other[1:] + (None,))[:2]
+
+        if isinstance(other, int):
+            minElements, optElements = other, 0
+        elif isinstance(other, tuple):
+            other = tuple(o if o is not Ellipsis else None for o in other)
+            other = (other + (None, None))[:2]
+            if other[0] is None:
+                other = (0, other[1])
+            if isinstance(other[0], int) and other[1] is None:
+                if other[0] == 0:
+                    return ZeroOrMore(self)
+                if other[0] == 1:
+                    return OneOrMore(self)
+                else:
+                    return self * other[0] + ZeroOrMore(self)
+            elif isinstance(other[0], int) and isinstance(other[1], int):
+                minElements, optElements = other
+                optElements -= minElements
+            else:
+                raise TypeError(
+                    "cannot multiply ParserElement and ({}) objects".format(
+                        ",".join(type(item).__name__ for item in other)
+                    )
+                )
+        else:
+            raise TypeError(
+                "cannot multiply ParserElement and {} objects".format(
+                    type(other).__name__
+                )
+            )
+
+        if minElements < 0:
+            raise ValueError("cannot multiply ParserElement by negative value")
+        if optElements < 0:
+            raise ValueError(
+                "second tuple value must be greater or equal to first tuple value"
+            )
+        if minElements == optElements == 0:
+            return And([])
+
+        if optElements:
+
+            def makeOptionalList(n):
+                if n > 1:
+                    return Opt(self + makeOptionalList(n - 1))
+                else:
+                    return Opt(self)
+
+            if minElements:
+                if minElements == 1:
+                    ret = self + makeOptionalList(optElements)
+                else:
+                    ret = And([self] * minElements) + makeOptionalList(optElements)
+            else:
+                ret = makeOptionalList(optElements)
+        else:
+            if minElements == 1:
+                ret = self
+            else:
+                ret = And([self] * minElements)
+        return ret
+
+    def __rmul__(self, other) -> "ParserElement":
+        return self.__mul__(other)
+
+    def __or__(self, other) -> "ParserElement":
+        """
+        Implementation of ``|`` operator - returns :class:`MatchFirst`
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self, must_skip=True)
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return MatchFirst([self, other])
+
+    def __ror__(self, other) -> "ParserElement":
+        """
+        Implementation of ``|`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other | self
+
+    def __xor__(self, other) -> "ParserElement":
+        """
+        Implementation of ``^`` operator - returns :class:`Or`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return Or([self, other])
+
+    def __rxor__(self, other) -> "ParserElement":
+        """
+        Implementation of ``^`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other ^ self
+
+    def __and__(self, other) -> "ParserElement":
+        """
+        Implementation of ``&`` operator - returns :class:`Each`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return Each([self, other])
+
+    def __rand__(self, other) -> "ParserElement":
+        """
+        Implementation of ``&`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other & self
+
+    def __invert__(self) -> "ParserElement":
+        """
+        Implementation of ``~`` operator - returns :class:`NotAny`
+        """
+        return NotAny(self)
+
+    # disable __iter__ to override legacy use of sequential access to __getitem__ to
+    # iterate over a sequence
+    __iter__ = None
+
+    def __getitem__(self, key):
+        """
+        use ``[]`` indexing notation as a short form for expression repetition:
+
+        - ``expr[n]`` is equivalent to ``expr*n``
+        - ``expr[m, n]`` is equivalent to ``expr*(m, n)``
+        - ``expr[n, ...]`` or ``expr[n,]`` is equivalent
+             to ``expr*n + ZeroOrMore(expr)``
+             (read as "at least n instances of ``expr``")
+        - ``expr[..., n]`` is equivalent to ``expr*(0, n)``
+             (read as "0 to n instances of ``expr``")
+        - ``expr[...]`` and ``expr[0, ...]`` are equivalent to ``ZeroOrMore(expr)``
+        - ``expr[1, ...]`` is equivalent to ``OneOrMore(expr)``
+
+        ``None`` may be used in place of ``...``.
+
+        Note that ``expr[..., n]`` and ``expr[m, n]``do not raise an exception
+        if more than ``n`` ``expr``s exist in the input stream.  If this behavior is
+        desired, then write ``expr[..., n] + ~expr``.
+        """
+
+        # convert single arg keys to tuples
+        try:
+            if isinstance(key, str_type):
+                key = (key,)
+            iter(key)
+        except TypeError:
+            key = (key, key)
+
+        if len(key) > 2:
+            raise TypeError(
+                "only 1 or 2 index arguments supported ({}{})".format(
+                    key[:5], "... [{}]".format(len(key)) if len(key) > 5 else ""
+                )
+            )
+
+        # clip to 2 elements
+        ret = self * tuple(key[:2])
+        return ret
+
+    def __call__(self, name: str = None) -> "ParserElement":
+        """
+        Shortcut for :class:`set_results_name`, with ``list_all_matches=False``.
+
+        If ``name`` is given with a trailing ``'*'`` character, then ``list_all_matches`` will be
+        passed as ``True``.
+
+        If ``name` is omitted, same as calling :class:`copy`.
+
+        Example::
+
+            # these are equivalent
+            userdata = Word(alphas).set_results_name("name") + Word(nums + "-").set_results_name("socsecno")
+            userdata = Word(alphas)("name") + Word(nums + "-")("socsecno")
+        """
+        if name is not None:
+            return self._setResultsName(name)
+        else:
+            return self.copy()
+
+    def suppress(self) -> "ParserElement":
+        """
+        Suppresses the output of this :class:`ParserElement`; useful to keep punctuation from
+        cluttering up returned output.
+        """
+        return Suppress(self)
+
+    def ignore_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Enables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.
+
+        :param recursive: If ``True`` (the default), also enable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = True
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Disables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.  This is normally only used internally by
+        the pyparsing module, but may be needed in some whitespace-sensitive grammars.
+
+        :param recursive: If true (the default), also disable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = False
+        return self
+
+    def set_whitespace_chars(
+        self, chars: Union[Set[str], str], copy_defaults: bool = False
+    ) -> "ParserElement":
+        """
+        Overrides the default whitespace chars
+        """
+        self.skipWhitespace = True
+        self.whiteChars = set(chars)
+        self.copyDefaultWhiteChars = copy_defaults
+        return self
+
+    def parse_with_tabs(self) -> "ParserElement":
+        """
+        Overrides default behavior to expand ``<TAB>`` s to spaces before parsing the input string.
+        Must be called before ``parse_string`` when the input grammar contains elements that
+        match ``<TAB>`` characters.
+        """
+        self.keepTabs = True
+        return self
+
+    def ignore(self, other: "ParserElement") -> "ParserElement":
+        """
+        Define expression to be ignored (e.g., comments) while doing pattern
+        matching; may be called repeatedly, to define multiple comment or other
+        ignorable patterns.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj']
+
+            patt.ignore(c_style_comment)
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj', 'lskjd']
+        """
+        import typing
+
+        if isinstance(other, str_type):
+            other = Suppress(other)
+
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                self.ignoreExprs.append(other)
+        else:
+            self.ignoreExprs.append(Suppress(other.copy()))
+        return self
+
+    def set_debug_actions(
+        self,
+        start_action: DebugStartAction,
+        success_action: DebugSuccessAction,
+        exception_action: DebugExceptionAction,
+    ) -> "ParserElement":
+        """
+        Customize display of debugging messages while doing pattern matching:
+
+        - ``start_action`` - method to be called when an expression is about to be parsed;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, cache_hit: bool)``
+
+        - ``success_action`` - method to be called when an expression has successfully parsed;
+          should have the signature ``fn(input_string: str, start_location: int, end_location: int, expression: ParserELement, parsed_tokens: ParseResults, cache_hit: bool)``
+
+        - ``exception_action`` - method to be called when expression fails to parse;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, exception: Exception, cache_hit: bool)``
+        """
+        self.debugActions = self.DebugActions(
+            start_action or _default_start_debug_action,
+            success_action or _default_success_debug_action,
+            exception_action or _default_exception_debug_action,
+        )
+        self.debug = True
+        return self
+
+    def set_debug(self, flag: bool = True) -> "ParserElement":
+        """
+        Enable display of debugging messages while doing pattern matching.
+        Set ``flag`` to ``True`` to enable, ``False`` to disable.
+
+        Example::
+
+            wd = Word(alphas).set_name("alphaword")
+            integer = Word(nums).set_name("numword")
+            term = wd | integer
+
+            # turn on debugging for wd
+            wd.set_debug()
+
+            term[1, ...].parse_string("abc 123 xyz 890")
+
+        prints::
+
+            Match alphaword at loc 0(1,1)
+            Matched alphaword -> ['abc']
+            Match alphaword at loc 3(1,4)
+            Exception raised:Expected alphaword (at char 4), (line:1, col:5)
+            Match alphaword at loc 7(1,8)
+            Matched alphaword -> ['xyz']
+            Match alphaword at loc 11(1,12)
+            Exception raised:Expected alphaword (at char 12), (line:1, col:13)
+            Match alphaword at loc 15(1,16)
+            Exception raised:Expected alphaword (at char 15), (line:1, col:16)
+
+        The output shown is that produced by the default debug actions - custom debug actions can be
+        specified using :class:`set_debug_actions`. Prior to attempting
+        to match the ``wd`` expression, the debugging message ``"Match <exprname> at loc <n>(<line>,<col>)"``
+        is shown. Then if the parse succeeds, a ``"Matched"`` message is shown, or an ``"Exception raised"``
+        message is shown. Also note the use of :class:`set_name` to assign a human-readable name to the expression,
+        which makes debugging and exception messages easier to understand - for instance, the default
+        name created for the :class:`Word` expression without calling ``set_name`` is ``"W:(A-Za-z)"``.
+        """
+        if flag:
+            self.set_debug_actions(
+                _default_start_debug_action,
+                _default_success_debug_action,
+                _default_exception_debug_action,
+            )
+        else:
+            self.debug = False
+        return self
+
+    @property
+    def default_name(self) -> str:
+        if self._defaultName is None:
+            self._defaultName = self._generateDefaultName()
+        return self._defaultName
+
+    @abstractmethod
+    def _generateDefaultName(self):
+        """
+        Child classes must define this method, which defines how the ``default_name`` is set.
+        """
+
+    def set_name(self, name: str) -> "ParserElement":
+        """
+        Define name for this expression, makes debugging and exception messages clearer.
+        Example::
+            Word(nums).parse_string("ABC")  # -> Exception: Expected W:(0-9) (at char 0), (line:1, col:1)
+            Word(nums).set_name("integer").parse_string("ABC")  # -> Exception: Expected integer (at char 0), (line:1, col:1)
+        """
+        self.customName = name
+        self.errmsg = "Expected " + self.name
+        if __diag__.enable_debug_on_named_expressions:
+            self.set_debug()
+        return self
+
+    @property
+    def name(self) -> str:
+        # This will use a user-defined name if available, but otherwise defaults back to the auto-generated name
+        return self.customName if self.customName is not None else self.default_name
+
+    def __str__(self) -> str:
+        return self.name
+
+    def __repr__(self) -> str:
+        return str(self)
+
+    def streamline(self) -> "ParserElement":
+        self.streamlined = True
+        self._defaultName = None
+        return self
+
+    def recurse(self) -> Sequence["ParserElement"]:
+        return []
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.recurse():
+            e._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        """
+        Check defined expressions for valid structure, check for infinite recursive definitions.
+        """
+        self._checkRecursion([])
+
+    def parse_file(
+        self,
+        file_or_filename: Union[str, Path, TextIO],
+        encoding: str = "utf-8",
+        parse_all: bool = False,
+        *,
+        parseAll: bool = False,
+    ) -> ParseResults:
+        """
+        Execute the parse expression on the given file or filename.
+        If a filename is specified (instead of a file object),
+        the entire file is opened, read, and closed before parsing.
+        """
+        parseAll = parseAll or parse_all
+        try:
+            file_contents = file_or_filename.read()
+        except AttributeError:
+            with open(file_or_filename, "r", encoding=encoding) as f:
+                file_contents = f.read()
+        try:
+            return self.parse_string(file_contents, parseAll)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def __eq__(self, other):
+        if self is other:
+            return True
+        elif isinstance(other, str_type):
+            return self.matches(other, parse_all=True)
+        elif isinstance(other, ParserElement):
+            return vars(self) == vars(other)
+        return False
+
+    def __hash__(self):
+        return id(self)
+
+    def matches(
+        self, test_string: str, parse_all: bool = True, *, parseAll: bool = True
+    ) -> bool:
+        """
+        Method for quick testing of a parser against a test string. Good for simple
+        inline microtests of sub expressions while building up larger parser.
+
+        Parameters:
+        - ``test_string`` - to test against this expression for a match
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+
+        Example::
+
+            expr = Word(nums)
+            assert expr.matches("100")
+        """
+        parseAll = parseAll and parse_all
+        try:
+            self.parse_string(str(test_string), parse_all=parseAll)
+            return True
+        except ParseBaseException:
+            return False
+
+    def run_tests(
+        self,
+        tests: Union[str, List[str]],
+        parse_all: bool = True,
+        comment: typing.Optional[Union["ParserElement", str]] = "#",
+        full_dump: bool = True,
+        print_results: bool = True,
+        failure_tests: bool = False,
+        post_parse: Callable[[str, ParseResults], str] = None,
+        file: typing.Optional[TextIO] = None,
+        with_line_numbers: bool = False,
+        *,
+        parseAll: bool = True,
+        fullDump: bool = True,
+        printResults: bool = True,
+        failureTests: bool = False,
+        postParse: Callable[[str, ParseResults], str] = None,
+    ) -> Tuple[bool, List[Tuple[str, Union[ParseResults, Exception]]]]:
+        """
+        Execute the parse expression on a series of test strings, showing each
+        test, the parsed results or where the parse failed. Quick and easy way to
+        run a parse expression against a list of sample strings.
+
+        Parameters:
+        - ``tests`` - a list of separate test strings, or a multiline string of test strings
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+        - ``comment`` - (default= ``'#'``) - expression for indicating embedded comments in the test
+          string; pass None to disable comment filtering
+        - ``full_dump`` - (default= ``True``) - dump results as list followed by results names in nested outline;
+          if False, only dump nested list
+        - ``print_results`` - (default= ``True``) prints test output to stdout
+        - ``failure_tests`` - (default= ``False``) indicates if these tests are expected to fail parsing
+        - ``post_parse`` - (default= ``None``) optional callback for successful parse results; called as
+          `fn(test_string, parse_results)` and returns a string to be added to the test output
+        - ``file`` - (default= ``None``) optional file-like object to which test output will be written;
+          if None, will default to ``sys.stdout``
+        - ``with_line_numbers`` - default= ``False``) show test strings with line and column numbers
+
+        Returns: a (success, results) tuple, where success indicates that all tests succeeded
+        (or failed if ``failure_tests`` is True), and the results contain a list of lines of each
+        test's output
+
+        Example::
+
+            number_expr = pyparsing_common.number.copy()
+
+            result = number_expr.run_tests('''
+                # unsigned integer
+                100
+                # negative integer
+                -100
+                # float with scientific notation
+                6.02e23
+                # integer with scientific notation
+                1e-12
+                ''')
+            print("Success" if result[0] else "Failed!")
+
+            result = number_expr.run_tests('''
+                # stray character
+                100Z
+                # missing leading digit before '.'
+                -.100
+                # too many '.'
+                3.14.159
+                ''', failure_tests=True)
+            print("Success" if result[0] else "Failed!")
+
+        prints::
+
+            # unsigned integer
+            100
+            [100]
+
+            # negative integer
+            -100
+            [-100]
+
+            # float with scientific notation
+            6.02e23
+            [6.02e+23]
+
+            # integer with scientific notation
+            1e-12
+            [1e-12]
+
+            Success
+
+            # stray character
+            100Z
+               ^
+            FAIL: Expected end of text (at char 3), (line:1, col:4)
+
+            # missing leading digit before '.'
+            -.100
+            ^
+            FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1)
+
+            # too many '.'
+            3.14.159
+                ^
+            FAIL: Expected end of text (at char 4), (line:1, col:5)
+
+            Success
+
+        Each test string must be on a single line. If you want to test a string that spans multiple
+        lines, create a test like this::
+
+            expr.run_tests(r"this is a test\\n of strings that spans \\n 3 lines")
+
+        (Note that this is a raw string literal, you must include the leading ``'r'``.)
+        """
+        from .testing import pyparsing_test
+
+        parseAll = parseAll and parse_all
+        fullDump = fullDump and full_dump
+        printResults = printResults and print_results
+        failureTests = failureTests or failure_tests
+        postParse = postParse or post_parse
+        if isinstance(tests, str_type):
+            line_strip = type(tests).strip
+            tests = [line_strip(test_line) for test_line in tests.rstrip().splitlines()]
+        if isinstance(comment, str_type):
+            comment = Literal(comment)
+        if file is None:
+            file = sys.stdout
+        print_ = file.write
+
+        result: Union[ParseResults, Exception]
+        allResults = []
+        comments = []
+        success = True
+        NL = Literal(r"\n").add_parse_action(replace_with("\n")).ignore(quoted_string)
+        BOM = "\ufeff"
+        for t in tests:
+            if comment is not None and comment.matches(t, False) or comments and not t:
+                comments.append(
+                    pyparsing_test.with_line_numbers(t) if with_line_numbers else t
+                )
+                continue
+            if not t:
+                continue
+            out = [
+                "\n" + "\n".join(comments) if comments else "",
+                pyparsing_test.with_line_numbers(t) if with_line_numbers else t,
+            ]
+            comments = []
+            try:
+                # convert newline marks to actual newlines, and strip leading BOM if present
+                t = NL.transform_string(t.lstrip(BOM))
+                result = self.parse_string(t, parse_all=parseAll)
+            except ParseBaseException as pe:
+                fatal = "(FATAL)" if isinstance(pe, ParseFatalException) else ""
+                out.append(pe.explain())
+                out.append("FAIL: " + str(pe))
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(pe.__traceback__))
+                success = success and failureTests
+                result = pe
+            except Exception as exc:
+                out.append("FAIL-EXCEPTION: {}: {}".format(type(exc).__name__, exc))
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(exc.__traceback__))
+                success = success and failureTests
+                result = exc
+            else:
+                success = success and not failureTests
+                if postParse is not None:
+                    try:
+                        pp_value = postParse(t, result)
+                        if pp_value is not None:
+                            if isinstance(pp_value, ParseResults):
+                                out.append(pp_value.dump())
+                            else:
+                                out.append(str(pp_value))
+                        else:
+                            out.append(result.dump())
+                    except Exception as e:
+                        out.append(result.dump(full=fullDump))
+                        out.append(
+                            "{} failed: {}: {}".format(
+                                postParse.__name__, type(e).__name__, e
+                            )
+                        )
+                else:
+                    out.append(result.dump(full=fullDump))
+            out.append("")
+
+            if printResults:
+                print_("\n".join(out))
+
+            allResults.append((t, result))
+
+        return success, allResults
+
+    def create_diagram(
+        self,
+        output_html: Union[TextIO, Path, str],
+        vertical: int = 3,
+        show_results_names: bool = False,
+        show_groups: bool = False,
+        **kwargs,
+    ) -> None:
+        """
+        Create a railroad diagram for the parser.
+
+        Parameters:
+        - output_html (str or file-like object) - output target for generated
+          diagram HTML
+        - vertical (int) - threshold for formatting multiple alternatives vertically
+          instead of horizontally (default=3)
+        - show_results_names - bool flag whether diagram should show annotations for
+          defined results names
+        - show_groups - bool flag whether groups should be highlighted with an unlabeled surrounding box
+        Additional diagram-formatting keyword arguments can also be included;
+        see railroad.Diagram class.
+        """
+
+        try:
+            from .diagram import to_railroad, railroad_to_html
+        except ImportError as ie:
+            raise Exception(
+                "must ``pip install pyparsing[diagrams]`` to generate parser railroad diagrams"
+            ) from ie
+
+        self.streamline()
+
+        railroad = to_railroad(
+            self,
+            vertical=vertical,
+            show_results_names=show_results_names,
+            show_groups=show_groups,
+            diagram_kwargs=kwargs,
+        )
+        if isinstance(output_html, (str, Path)):
+            with open(output_html, "w", encoding="utf-8") as diag_file:
+                diag_file.write(railroad_to_html(railroad))
+        else:
+            # we were passed a file-like object, just write to it
+            output_html.write(railroad_to_html(railroad))
+
+    setDefaultWhitespaceChars = set_default_whitespace_chars
+    inlineLiteralsUsing = inline_literals_using
+    setResultsName = set_results_name
+    setBreak = set_break
+    setParseAction = set_parse_action
+    addParseAction = add_parse_action
+    addCondition = add_condition
+    setFailAction = set_fail_action
+    tryParse = try_parse
+    canParseNext = can_parse_next
+    resetCache = reset_cache
+    enableLeftRecursion = enable_left_recursion
+    enablePackrat = enable_packrat
+    parseString = parse_string
+    scanString = scan_string
+    searchString = search_string
+    transformString = transform_string
+    setWhitespaceChars = set_whitespace_chars
+    parseWithTabs = parse_with_tabs
+    setDebugActions = set_debug_actions
+    setDebug = set_debug
+    defaultName = default_name
+    setName = set_name
+    parseFile = parse_file
+    runTests = run_tests
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class _PendingSkip(ParserElement):
+    # internal placeholder class to hold a place were '...' is added to a parser element,
+    # once another ParserElement is added, this placeholder will be replaced with a SkipTo
+    def __init__(self, expr: ParserElement, must_skip: bool = False):
+        super().__init__()
+        self.anchor = expr
+        self.must_skip = must_skip
+
+    def _generateDefaultName(self):
+        return str(self.anchor + Empty()).replace("Empty", "...")
+
+    def __add__(self, other) -> "ParserElement":
+        skipper = SkipTo(other).set_name("...")("_skipped*")
+        if self.must_skip:
+
+            def must_skip(t):
+                if not t._skipped or t._skipped.as_list() == [""]:
+                    del t[0]
+                    t.pop("_skipped", None)
+
+            def show_skip(t):
+                if t._skipped.as_list()[-1:] == [""]:
+                    t.pop("_skipped")
+                    t["_skipped"] = "missing <" + repr(self.anchor) + ">"
+
+            return (
+                self.anchor + skipper().add_parse_action(must_skip)
+                | skipper().add_parse_action(show_skip)
+            ) + other
+
+        return self.anchor + skipper + other
+
+    def __repr__(self):
+        return self.defaultName
+
+    def parseImpl(self, *args):
+        raise Exception(
+            "use of `...` expression without following SkipTo target expression"
+        )
+
+
+class Token(ParserElement):
+    """Abstract :class:`ParserElement` subclass, for defining atomic
+    matching patterns.
+    """
+
+    def __init__(self):
+        super().__init__(savelist=False)
+
+    def _generateDefaultName(self):
+        return type(self).__name__
+
+
+class Empty(Token):
+    """
+    An empty token, will always match.
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class NoMatch(Token):
+    """
+    A token that will never match.
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.errmsg = "Unmatchable token"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Literal(Token):
+    """
+    Token to exactly match a specified string.
+
+    Example::
+
+        Literal('blah').parse_string('blah')  # -> ['blah']
+        Literal('blah').parse_string('blahfooblah')  # -> ['blah']
+        Literal('blah').parse_string('bla')  # -> Exception: Expected "blah"
+
+    For case-insensitive matching, use :class:`CaselessLiteral`.
+
+    For keyword matching (force word break before and after the matched string),
+    use :class:`Keyword` or :class:`CaselessKeyword`.
+    """
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        super().__init__()
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        try:
+            self.firstMatchChar = match_string[0]
+        except IndexError:
+            raise ValueError("null string passed to Literal; use Empty() instead")
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+
+        # Performance tuning: modify __class__ to select
+        # a parseImpl optimized for single-character check
+        if self.matchLen == 1 and type(self) is Literal:
+            self.__class__ = _SingleCharLiteral
+
+    def _generateDefaultName(self):
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar and instring.startswith(
+            self.match, loc
+        ):
+            return loc + self.matchLen, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class _SingleCharLiteral(Literal):
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar:
+            return loc + 1, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+ParserElement._literalStringClass = Literal
+
+
+class Keyword(Token):
+    """
+    Token to exactly match a specified string as a keyword, that is,
+    it must be immediately followed by a non-keyword character.  Compare
+    with :class:`Literal`:
+
+    - ``Literal("if")`` will match the leading ``'if'`` in
+      ``'ifAndOnlyIf'``.
+    - ``Keyword("if")`` will not; it will only match the leading
+      ``'if'`` in ``'if x=1'``, or ``'if(y==2)'``
+
+    Accepts two optional constructor arguments in addition to the
+    keyword string:
+
+    - ``identChars`` is a string of characters that would be valid
+      identifier characters, defaulting to all alphanumerics + "_" and
+      "$"
+    - ``caseless`` allows case-insensitive matching, default is ``False``.
+
+    Example::
+
+        Keyword("start").parse_string("start")  # -> ['start']
+        Keyword("start").parse_string("starting")  # -> Exception
+
+    For case-insensitive matching, use :class:`CaselessKeyword`.
+    """
+
+    DEFAULT_KEYWORD_CHARS = alphanums + "_$"
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: typing.Optional[str] = None,
+        caseless: bool = False,
+        *,
+        matchString: str = "",
+        identChars: typing.Optional[str] = None,
+    ):
+        super().__init__()
+        identChars = identChars or ident_chars
+        if identChars is None:
+            identChars = Keyword.DEFAULT_KEYWORD_CHARS
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        try:
+            self.firstMatchChar = match_string[0]
+        except IndexError:
+            raise ValueError("null string passed to Keyword; use Empty() instead")
+        self.errmsg = "Expected {} {}".format(type(self).__name__, self.name)
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+        self.caseless = caseless
+        if caseless:
+            self.caselessmatch = match_string.upper()
+            identChars = identChars.upper()
+        self.identChars = set(identChars)
+
+    def _generateDefaultName(self):
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        errmsg = self.errmsg
+        errloc = loc
+        if self.caseless:
+            if instring[loc : loc + self.matchLen].upper() == self.caselessmatch:
+                if loc == 0 or instring[loc - 1].upper() not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen].upper() not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += ", was immediately followed by keyword character"
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        else:
+            if (
+                instring[loc] == self.firstMatchChar
+                and self.matchLen == 1
+                or instring.startswith(self.match, loc)
+            ):
+                if loc == 0 or instring[loc - 1] not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen] not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += (
+                            ", keyword was immediately followed by keyword character"
+                        )
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        raise ParseException(instring, errloc, errmsg, self)
+
+    @staticmethod
+    def set_default_keyword_chars(chars) -> None:
+        """
+        Overrides the default characters used by :class:`Keyword` expressions.
+        """
+        Keyword.DEFAULT_KEYWORD_CHARS = chars
+
+    setDefaultKeywordChars = set_default_keyword_chars
+
+
+class CaselessLiteral(Literal):
+    """
+    Token to match a specified string, ignoring case of letters.
+    Note: the matched results will always be in the case of the given
+    match string, NOT the case of the input text.
+
+    Example::
+
+        CaselessLiteral("CMD")[1, ...].parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessKeyword`.)
+    """
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        match_string = matchString or match_string
+        super().__init__(match_string.upper())
+        # Preserve the defining literal.
+        self.returnString = match_string
+        self.errmsg = "Expected " + self.name
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc : loc + self.matchLen].upper() == self.match:
+            return loc + self.matchLen, self.returnString
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class CaselessKeyword(Keyword):
+    """
+    Caseless version of :class:`Keyword`.
+
+    Example::
+
+        CaselessKeyword("CMD")[1, ...].parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessLiteral`.)
+    """
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: typing.Optional[str] = None,
+        *,
+        matchString: str = "",
+        identChars: typing.Optional[str] = None,
+    ):
+        identChars = identChars or ident_chars
+        match_string = matchString or match_string
+        super().__init__(match_string, identChars, caseless=True)
+
+
+class CloseMatch(Token):
+    """A variation on :class:`Literal` which matches "close" matches,
+    that is, strings with at most 'n' mismatching characters.
+    :class:`CloseMatch` takes parameters:
+
+    - ``match_string`` - string to be matched
+    - ``caseless`` - a boolean indicating whether to ignore casing when comparing characters
+    - ``max_mismatches`` - (``default=1``) maximum number of
+      mismatches allowed to count as a match
+
+    The results from a successful parse will contain the matched text
+    from the input string and the following named results:
+
+    - ``mismatches`` - a list of the positions within the
+      match_string where mismatches were found
+    - ``original`` - the original match_string used to compare
+      against the input string
+
+    If ``mismatches`` is an empty list, then the match was an exact
+    match.
+
+    Example::
+
+        patt = CloseMatch("ATCATCGAATGGA")
+        patt.parse_string("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']})
+        patt.parse_string("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1)
+
+        # exact match
+        patt.parse_string("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']})
+
+        # close match allowing up to 2 mismatches
+        patt = CloseMatch("ATCATCGAATGGA", max_mismatches=2)
+        patt.parse_string("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']})
+    """
+
+    def __init__(
+        self,
+        match_string: str,
+        max_mismatches: int = None,
+        *,
+        maxMismatches: int = 1,
+        caseless=False,
+    ):
+        maxMismatches = max_mismatches if max_mismatches is not None else maxMismatches
+        super().__init__()
+        self.match_string = match_string
+        self.maxMismatches = maxMismatches
+        self.errmsg = "Expected {!r} (with up to {} mismatches)".format(
+            self.match_string, self.maxMismatches
+        )
+        self.caseless = caseless
+        self.mayIndexError = False
+        self.mayReturnEmpty = False
+
+    def _generateDefaultName(self):
+        return "{}:{!r}".format(type(self).__name__, self.match_string)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        instrlen = len(instring)
+        maxloc = start + len(self.match_string)
+
+        if maxloc <= instrlen:
+            match_string = self.match_string
+            match_stringloc = 0
+            mismatches = []
+            maxMismatches = self.maxMismatches
+
+            for match_stringloc, s_m in enumerate(
+                zip(instring[loc:maxloc], match_string)
+            ):
+                src, mat = s_m
+                if self.caseless:
+                    src, mat = src.lower(), mat.lower()
+
+                if src != mat:
+                    mismatches.append(match_stringloc)
+                    if len(mismatches) > maxMismatches:
+                        break
+            else:
+                loc = start + match_stringloc + 1
+                results = ParseResults([instring[start:loc]])
+                results["original"] = match_string
+                results["mismatches"] = mismatches
+                return loc, results
+
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Word(Token):
+    """Token for matching words composed of allowed character sets.
+    Parameters:
+    - ``init_chars`` - string of all characters that should be used to
+      match as a word; "ABC" will match "AAA", "ABAB", "CBAC", etc.;
+      if ``body_chars`` is also specified, then this is the string of
+      initial characters
+    - ``body_chars`` - string of characters that
+      can be used for matching after a matched initial character as
+      given in ``init_chars``; if omitted, same as the initial characters
+      (default=``None``)
+    - ``min`` - minimum number of characters to match (default=1)
+    - ``max`` - maximum number of characters to match (default=0)
+    - ``exact`` - exact number of characters to match (default=0)
+    - ``as_keyword`` - match as a keyword (default=``False``)
+    - ``exclude_chars`` - characters that might be
+      found in the input ``body_chars`` string but which should not be
+      accepted for matching ;useful to define a word of all
+      printables except for one or two characters, for instance
+      (default=``None``)
+
+    :class:`srange` is useful for defining custom character set strings
+    for defining :class:`Word` expressions, using range notation from
+    regular expression character sets.
+
+    A common mistake is to use :class:`Word` to match a specific literal
+    string, as in ``Word("Address")``. Remember that :class:`Word`
+    uses the string argument to define *sets* of matchable characters.
+    This expression would match "Add", "AAA", "dAred", or any other word
+    made up of the characters 'A', 'd', 'r', 'e', and 's'. To match an
+    exact literal string, use :class:`Literal` or :class:`Keyword`.
+
+    pyparsing includes helper strings for building Words:
+
+    - :class:`alphas`
+    - :class:`nums`
+    - :class:`alphanums`
+    - :class:`hexnums`
+    - :class:`alphas8bit` (alphabetic characters in ASCII range 128-255
+      - accented, tilded, umlauted, etc.)
+    - :class:`punc8bit` (non-alphabetic characters in ASCII range
+      128-255 - currency, symbols, superscripts, diacriticals, etc.)
+    - :class:`printables` (any non-whitespace character)
+
+    ``alphas``, ``nums``, and ``printables`` are also defined in several
+    Unicode sets - see :class:`pyparsing_unicode``.
+
+    Example::
+
+        # a word composed of digits
+        integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9"))
+
+        # a word with a leading capital, and zero or more lowercase
+        capital_word = Word(alphas.upper(), alphas.lower())
+
+        # hostnames are alphanumeric, with leading alpha, and '-'
+        hostname = Word(alphas, alphanums + '-')
+
+        # roman numeral (not a strict parser, accepts invalid mix of characters)
+        roman = Word("IVXLCDM")
+
+        # any string of non-whitespace characters, except for ','
+        csv_value = Word(printables, exclude_chars=",")
+    """
+
+    def __init__(
+        self,
+        init_chars: str = "",
+        body_chars: typing.Optional[str] = None,
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        as_keyword: bool = False,
+        exclude_chars: typing.Optional[str] = None,
+        *,
+        initChars: typing.Optional[str] = None,
+        bodyChars: typing.Optional[str] = None,
+        asKeyword: bool = False,
+        excludeChars: typing.Optional[str] = None,
+    ):
+        initChars = initChars or init_chars
+        bodyChars = bodyChars or body_chars
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__()
+        if not initChars:
+            raise ValueError(
+                "invalid {}, initChars cannot be empty string".format(
+                    type(self).__name__
+                )
+            )
+
+        initChars = set(initChars)
+        self.initChars = initChars
+        if excludeChars:
+            excludeChars = set(excludeChars)
+            initChars -= excludeChars
+            if bodyChars:
+                bodyChars = set(bodyChars) - excludeChars
+        self.initCharsOrig = "".join(sorted(initChars))
+
+        if bodyChars:
+            self.bodyCharsOrig = "".join(sorted(bodyChars))
+            self.bodyChars = set(bodyChars)
+        else:
+            self.bodyCharsOrig = "".join(sorted(initChars))
+            self.bodyChars = set(initChars)
+
+        self.maxSpecified = max > 0
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use Opt(Word()) if zero-length word is permitted"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asKeyword = asKeyword
+
+        # see if we can make a regex for this Word
+        if " " not in self.initChars | self.bodyChars and (min == 1 and exact == 0):
+            if self.bodyChars == self.initChars:
+                if max == 0:
+                    repeat = "+"
+                elif max == 1:
+                    repeat = ""
+                else:
+                    repeat = "{{{},{}}}".format(
+                        self.minLen, "" if self.maxLen == _MAX_INT else self.maxLen
+                    )
+                self.reString = "[{}]{}".format(
+                    _collapse_string_to_ranges(self.initChars),
+                    repeat,
+                )
+            elif len(self.initChars) == 1:
+                if max == 0:
+                    repeat = "*"
+                else:
+                    repeat = "{{0,{}}}".format(max - 1)
+                self.reString = "{}[{}]{}".format(
+                    re.escape(self.initCharsOrig),
+                    _collapse_string_to_ranges(self.bodyChars),
+                    repeat,
+                )
+            else:
+                if max == 0:
+                    repeat = "*"
+                elif max == 2:
+                    repeat = ""
+                else:
+                    repeat = "{{0,{}}}".format(max - 1)
+                self.reString = "[{}][{}]{}".format(
+                    _collapse_string_to_ranges(self.initChars),
+                    _collapse_string_to_ranges(self.bodyChars),
+                    repeat,
+                )
+            if self.asKeyword:
+                self.reString = r"\b" + self.reString + r"\b"
+
+            try:
+                self.re = re.compile(self.reString)
+            except re.error:
+                self.re = None
+            else:
+                self.re_match = self.re.match
+                self.__class__ = _WordRegex
+
+    def _generateDefaultName(self):
+        def charsAsStr(s):
+            max_repr_len = 16
+            s = _collapse_string_to_ranges(s, re_escape=False)
+            if len(s) > max_repr_len:
+                return s[: max_repr_len - 3] + "..."
+            else:
+                return s
+
+        if self.initChars != self.bodyChars:
+            base = "W:({}, {})".format(
+                charsAsStr(self.initChars), charsAsStr(self.bodyChars)
+            )
+        else:
+            base = "W:({})".format(charsAsStr(self.initChars))
+
+        # add length specification
+        if self.minLen > 1 or self.maxLen != _MAX_INT:
+            if self.minLen == self.maxLen:
+                if self.minLen == 1:
+                    return base[2:]
+                else:
+                    return base + "{{{}}}".format(self.minLen)
+            elif self.maxLen == _MAX_INT:
+                return base + "{{{},...}}".format(self.minLen)
+            else:
+                return base + "{{{},{}}}".format(self.minLen, self.maxLen)
+        return base
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.initChars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        instrlen = len(instring)
+        bodychars = self.bodyChars
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, instrlen)
+        while loc < maxloc and instring[loc] in bodychars:
+            loc += 1
+
+        throwException = False
+        if loc - start < self.minLen:
+            throwException = True
+        elif self.maxSpecified and loc < instrlen and instring[loc] in bodychars:
+            throwException = True
+        elif self.asKeyword:
+            if (
+                start > 0
+                and instring[start - 1] in bodychars
+                or loc < instrlen
+                and instring[loc] in bodychars
+            ):
+                throwException = True
+
+        if throwException:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class _WordRegex(Word):
+    def parseImpl(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        return loc, result.group()
+
+
+class Char(_WordRegex):
+    """A short-cut class for defining :class:`Word` ``(characters, exact=1)``,
+    when defining a match of any single character in a string of
+    characters.
+    """
+
+    def __init__(
+        self,
+        charset: str,
+        as_keyword: bool = False,
+        exclude_chars: typing.Optional[str] = None,
+        *,
+        asKeyword: bool = False,
+        excludeChars: typing.Optional[str] = None,
+    ):
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__(
+            charset, exact=1, asKeyword=asKeyword, excludeChars=excludeChars
+        )
+        self.reString = "[{}]".format(_collapse_string_to_ranges(self.initChars))
+        if asKeyword:
+            self.reString = r"\b{}\b".format(self.reString)
+        self.re = re.compile(self.reString)
+        self.re_match = self.re.match
+
+
+class Regex(Token):
+    r"""Token for matching strings that match a given regular
+    expression. Defined with string specifying the regular expression in
+    a form recognized by the stdlib Python  `re module <https://docs.python.org/3/library/re.html>`_.
+    If the given regex contains named groups (defined using ``(?P<name>...)``),
+    these will be preserved as named :class:`ParseResults`.
+
+    If instead of the Python stdlib ``re`` module you wish to use a different RE module
+    (such as the ``regex`` module), you can do so by building your ``Regex`` object with
+    a compiled RE that was compiled using ``regex``.
+
+    Example::
+
+        realnum = Regex(r"[+-]?\d+\.\d*")
+        # ref: https://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression
+        roman = Regex(r"M{0,4}(CM|CD|D?{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})")
+
+        # named fields in a regex will be returned as named results
+        date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)')
+
+        # the Regex class will accept re's compiled using the regex module
+        import regex
+        parser = pp.Regex(regex.compile(r'[0-9]'))
+    """
+
+    def __init__(
+        self,
+        pattern: Any,
+        flags: Union[re.RegexFlag, int] = 0,
+        as_group_list: bool = False,
+        as_match: bool = False,
+        *,
+        asGroupList: bool = False,
+        asMatch: bool = False,
+    ):
+        """The parameters ``pattern`` and ``flags`` are passed
+        to the ``re.compile()`` function as-is. See the Python
+        `re module <https://docs.python.org/3/library/re.html>`_ module for an
+        explanation of the acceptable patterns and flags.
+        """
+        super().__init__()
+        asGroupList = asGroupList or as_group_list
+        asMatch = asMatch or as_match
+
+        if isinstance(pattern, str_type):
+            if not pattern:
+                raise ValueError("null string passed to Regex; use Empty() instead")
+
+            self._re = None
+            self.reString = self.pattern = pattern
+            self.flags = flags
+
+        elif hasattr(pattern, "pattern") and hasattr(pattern, "match"):
+            self._re = pattern
+            self.pattern = self.reString = pattern.pattern
+            self.flags = flags
+
+        else:
+            raise TypeError(
+                "Regex may only be constructed with a string or a compiled RE object"
+            )
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asGroupList = asGroupList
+        self.asMatch = asMatch
+        if self.asGroupList:
+            self.parseImpl = self.parseImplAsGroupList
+        if self.asMatch:
+            self.parseImpl = self.parseImplAsMatch
+
+    @cached_property
+    def re(self):
+        if self._re:
+            return self._re
+        else:
+            try:
+                return re.compile(self.pattern, self.flags)
+            except re.error:
+                raise ValueError(
+                    "invalid pattern ({!r}) passed to Regex".format(self.pattern)
+                )
+
+    @cached_property
+    def re_match(self):
+        return self.re.match
+
+    @cached_property
+    def mayReturnEmpty(self):
+        return self.re_match("") is not None
+
+    def _generateDefaultName(self):
+        return "Re:({})".format(repr(self.pattern).replace("\\\\", "\\"))
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = ParseResults(result.group())
+        d = result.groupdict()
+        if d:
+            for k, v in d.items():
+                ret[k] = v
+        return loc, ret
+
+    def parseImplAsGroupList(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.groups()
+        return loc, ret
+
+    def parseImplAsMatch(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result
+        return loc, ret
+
+    def sub(self, repl: str) -> ParserElement:
+        r"""
+        Return :class:`Regex` with an attached parse action to transform the parsed
+        result as if called using `re.sub(expr, repl, string) <https://docs.python.org/3/library/re.html#re.sub>`_.
+
+        Example::
+
+            make_html = Regex(r"(\w+):(.*?):").sub(r"<\1>\2</\1>")
+            print(make_html.transform_string("h1:main title:"))
+            # prints "<h1>main title</h1>"
+        """
+        if self.asGroupList:
+            raise TypeError("cannot use sub() with Regex(asGroupList=True)")
+
+        if self.asMatch and callable(repl):
+            raise TypeError("cannot use sub() with a callable with Regex(asMatch=True)")
+
+        if self.asMatch:
+
+            def pa(tokens):
+                return tokens[0].expand(repl)
+
+        else:
+
+            def pa(tokens):
+                return self.re.sub(repl, tokens[0])
+
+        return self.add_parse_action(pa)
+
+
+class QuotedString(Token):
+    r"""
+    Token for matching strings that are delimited by quoting characters.
+
+    Defined with the following parameters:
+
+    - ``quote_char`` - string of one or more characters defining the
+      quote delimiting string
+    - ``esc_char`` - character to re_escape quotes, typically backslash
+      (default= ``None``)
+    - ``esc_quote`` - special quote sequence to re_escape an embedded quote
+      string (such as SQL's ``""`` to re_escape an embedded ``"``)
+      (default= ``None``)
+    - ``multiline`` - boolean indicating whether quotes can span
+      multiple lines (default= ``False``)
+    - ``unquote_results`` - boolean indicating whether the matched text
+      should be unquoted (default= ``True``)
+    - ``end_quote_char`` - string of one or more characters defining the
+      end of the quote delimited string (default= ``None``  => same as
+      quote_char)
+    - ``convert_whitespace_escapes`` - convert escaped whitespace
+      (``'\t'``, ``'\n'``, etc.) to actual whitespace
+      (default= ``True``)
+
+    Example::
+
+        qs = QuotedString('"')
+        print(qs.search_string('lsjdf "This is the quote" sldjf'))
+        complex_qs = QuotedString('{{', end_quote_char='}}')
+        print(complex_qs.search_string('lsjdf {{This is the "quote"}} sldjf'))
+        sql_qs = QuotedString('"', esc_quote='""')
+        print(sql_qs.search_string('lsjdf "This is the quote with ""embedded"" quotes" sldjf'))
+
+    prints::
+
+        [['This is the quote']]
+        [['This is the "quote"']]
+        [['This is the quote with "embedded" quotes']]
+    """
+    ws_map = ((r"\t", "\t"), (r"\n", "\n"), (r"\f", "\f"), (r"\r", "\r"))
+
+    def __init__(
+        self,
+        quote_char: str = "",
+        esc_char: typing.Optional[str] = None,
+        esc_quote: typing.Optional[str] = None,
+        multiline: bool = False,
+        unquote_results: bool = True,
+        end_quote_char: typing.Optional[str] = None,
+        convert_whitespace_escapes: bool = True,
+        *,
+        quoteChar: str = "",
+        escChar: typing.Optional[str] = None,
+        escQuote: typing.Optional[str] = None,
+        unquoteResults: bool = True,
+        endQuoteChar: typing.Optional[str] = None,
+        convertWhitespaceEscapes: bool = True,
+    ):
+        super().__init__()
+        escChar = escChar or esc_char
+        escQuote = escQuote or esc_quote
+        unquoteResults = unquoteResults and unquote_results
+        endQuoteChar = endQuoteChar or end_quote_char
+        convertWhitespaceEscapes = (
+            convertWhitespaceEscapes and convert_whitespace_escapes
+        )
+        quote_char = quoteChar or quote_char
+
+        # remove white space from quote chars - wont work anyway
+        quote_char = quote_char.strip()
+        if not quote_char:
+            raise ValueError("quote_char cannot be the empty string")
+
+        if endQuoteChar is None:
+            endQuoteChar = quote_char
+        else:
+            endQuoteChar = endQuoteChar.strip()
+            if not endQuoteChar:
+                raise ValueError("endQuoteChar cannot be the empty string")
+
+        self.quoteChar = quote_char
+        self.quoteCharLen = len(quote_char)
+        self.firstQuoteChar = quote_char[0]
+        self.endQuoteChar = endQuoteChar
+        self.endQuoteCharLen = len(endQuoteChar)
+        self.escChar = escChar
+        self.escQuote = escQuote
+        self.unquoteResults = unquoteResults
+        self.convertWhitespaceEscapes = convertWhitespaceEscapes
+
+        sep = ""
+        inner_pattern = ""
+
+        if escQuote:
+            inner_pattern += r"{}(?:{})".format(sep, re.escape(escQuote))
+            sep = "|"
+
+        if escChar:
+            inner_pattern += r"{}(?:{}.)".format(sep, re.escape(escChar))
+            sep = "|"
+            self.escCharReplacePattern = re.escape(self.escChar) + "(.)"
+
+        if len(self.endQuoteChar) > 1:
+            inner_pattern += (
+                "{}(?:".format(sep)
+                + "|".join(
+                    "(?:{}(?!{}))".format(
+                        re.escape(self.endQuoteChar[:i]),
+                        re.escape(self.endQuoteChar[i:]),
+                    )
+                    for i in range(len(self.endQuoteChar) - 1, 0, -1)
+                )
+                + ")"
+            )
+            sep = "|"
+
+        if multiline:
+            self.flags = re.MULTILINE | re.DOTALL
+            inner_pattern += r"{}(?:[^{}{}])".format(
+                sep,
+                _escape_regex_range_chars(self.endQuoteChar[0]),
+                (_escape_regex_range_chars(escChar) if escChar is not None else ""),
+            )
+        else:
+            self.flags = 0
+            inner_pattern += r"{}(?:[^{}\n\r{}])".format(
+                sep,
+                _escape_regex_range_chars(self.endQuoteChar[0]),
+                (_escape_regex_range_chars(escChar) if escChar is not None else ""),
+            )
+
+        self.pattern = "".join(
+            [
+                re.escape(self.quoteChar),
+                "(?:",
+                inner_pattern,
+                ")*",
+                re.escape(self.endQuoteChar),
+            ]
+        )
+
+        try:
+            self.re = re.compile(self.pattern, self.flags)
+            self.reString = self.pattern
+            self.re_match = self.re.match
+        except re.error:
+            raise ValueError(
+                "invalid pattern {!r} passed to Regex".format(self.pattern)
+            )
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.mayReturnEmpty = True
+
+    def _generateDefaultName(self):
+        if self.quoteChar == self.endQuoteChar and isinstance(self.quoteChar, str_type):
+            return "string enclosed in {!r}".format(self.quoteChar)
+
+        return "quoted string, starting with {} ending with {}".format(
+            self.quoteChar, self.endQuoteChar
+        )
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = (
+            instring[loc] == self.firstQuoteChar
+            and self.re_match(instring, loc)
+            or None
+        )
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.group()
+
+        if self.unquoteResults:
+
+            # strip off quotes
+            ret = ret[self.quoteCharLen : -self.endQuoteCharLen]
+
+            if isinstance(ret, str_type):
+                # replace escaped whitespace
+                if "\\" in ret and self.convertWhitespaceEscapes:
+                    for wslit, wschar in self.ws_map:
+                        ret = ret.replace(wslit, wschar)
+
+                # replace escaped characters
+                if self.escChar:
+                    ret = re.sub(self.escCharReplacePattern, r"\g<1>", ret)
+
+                # replace escaped quotes
+                if self.escQuote:
+                    ret = ret.replace(self.escQuote, self.endQuoteChar)
+
+        return loc, ret
+
+
+class CharsNotIn(Token):
+    """Token for matching words composed of characters *not* in a given
+    set (will include whitespace in matched characters if not listed in
+    the provided exclusion set - see example). Defined with string
+    containing all disallowed characters, and an optional minimum,
+    maximum, and/or exact length.  The default value for ``min`` is
+    1 (a minimum value < 1 is not valid); the default values for
+    ``max`` and ``exact`` are 0, meaning no maximum or exact
+    length restriction.
+
+    Example::
+
+        # define a comma-separated-value as anything that is not a ','
+        csv_value = CharsNotIn(',')
+        print(delimited_list(csv_value).parse_string("dkls,lsdkjf,s12 34,@!#,213"))
+
+    prints::
+
+        ['dkls', 'lsdkjf', 's12 34', '@!#', '213']
+    """
+
+    def __init__(
+        self,
+        not_chars: str = "",
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        *,
+        notChars: str = "",
+    ):
+        super().__init__()
+        self.skipWhitespace = False
+        self.notChars = not_chars or notChars
+        self.notCharsSet = set(self.notChars)
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use "
+                "Opt(CharsNotIn()) if zero-length char group is permitted"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = self.minLen == 0
+        self.mayIndexError = False
+
+    def _generateDefaultName(self):
+        not_chars_str = _collapse_string_to_ranges(self.notChars)
+        if len(not_chars_str) > 16:
+            return "!W:({}...)".format(self.notChars[: 16 - 3])
+        else:
+            return "!W:({})".format(self.notChars)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        notchars = self.notCharsSet
+        if instring[loc] in notchars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        maxlen = min(start + self.maxLen, len(instring))
+        while loc < maxlen and instring[loc] not in notchars:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class White(Token):
+    """Special matching class for matching whitespace.  Normally,
+    whitespace is ignored by pyparsing grammars.  This class is included
+    when some whitespace structures are significant.  Define with
+    a string containing the whitespace characters to be matched; default
+    is ``" \\t\\r\\n"``.  Also takes optional ``min``,
+    ``max``, and ``exact`` arguments, as defined for the
+    :class:`Word` class.
+    """
+
+    whiteStrs = {
+        " ": "<SP>",
+        "\t": "<TAB>",
+        "\n": "<LF>",
+        "\r": "<CR>",
+        "\f": "<FF>",
+        "\u00A0": "<NBSP>",
+        "\u1680": "<OGHAM_SPACE_MARK>",
+        "\u180E": "<MONGOLIAN_VOWEL_SEPARATOR>",
+        "\u2000": "<EN_QUAD>",
+        "\u2001": "<EM_QUAD>",
+        "\u2002": "<EN_SPACE>",
+        "\u2003": "<EM_SPACE>",
+        "\u2004": "<THREE-PER-EM_SPACE>",
+        "\u2005": "<FOUR-PER-EM_SPACE>",
+        "\u2006": "<SIX-PER-EM_SPACE>",
+        "\u2007": "<FIGURE_SPACE>",
+        "\u2008": "<PUNCTUATION_SPACE>",
+        "\u2009": "<THIN_SPACE>",
+        "\u200A": "<HAIR_SPACE>",
+        "\u200B": "<ZERO_WIDTH_SPACE>",
+        "\u202F": "<NNBSP>",
+        "\u205F": "<MMSP>",
+        "\u3000": "<IDEOGRAPHIC_SPACE>",
+    }
+
+    def __init__(self, ws: str = " \t\r\n", min: int = 1, max: int = 0, exact: int = 0):
+        super().__init__()
+        self.matchWhite = ws
+        self.set_whitespace_chars(
+            "".join(c for c in self.whiteStrs if c not in self.matchWhite),
+            copy_defaults=True,
+        )
+        # self.leave_whitespace()
+        self.mayReturnEmpty = True
+        self.errmsg = "Expected " + self.name
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+    def _generateDefaultName(self):
+        return "".join(White.whiteStrs[c] for c in self.matchWhite)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.matchWhite:
+            raise ParseException(instring, loc, self.errmsg, self)
+        start = loc
+        loc += 1
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, len(instring))
+        while loc < maxloc and instring[loc] in self.matchWhite:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class PositionToken(Token):
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class GoToColumn(PositionToken):
+    """Token to advance to a specific column of input text; useful for
+    tabular report scraping.
+    """
+
+    def __init__(self, colno: int):
+        super().__init__()
+        self.col = colno
+
+    def preParse(self, instring, loc):
+        if col(loc, instring) != self.col:
+            instrlen = len(instring)
+            if self.ignoreExprs:
+                loc = self._skipIgnorables(instring, loc)
+            while (
+                loc < instrlen
+                and instring[loc].isspace()
+                and col(loc, instring) != self.col
+            ):
+                loc += 1
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        thiscol = col(loc, instring)
+        if thiscol > self.col:
+            raise ParseException(instring, loc, "Text not in expected column", self)
+        newloc = loc + self.col - thiscol
+        ret = instring[loc:newloc]
+        return newloc, ret
+
+
+class LineStart(PositionToken):
+    r"""Matches if current position is at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (LineStart() + 'AAA' + restOfLine).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.leave_whitespace()
+        self.orig_whiteChars = set() | self.whiteChars
+        self.whiteChars.discard("\n")
+        self.skipper = Empty().set_whitespace_chars(self.whiteChars)
+        self.errmsg = "Expected start of line"
+
+    def preParse(self, instring, loc):
+        if loc == 0:
+            return loc
+        else:
+            ret = self.skipper.preParse(instring, loc)
+            if "\n" in self.orig_whiteChars:
+                while instring[ret : ret + 1] == "\n":
+                    ret = self.skipper.preParse(instring, ret + 1)
+            return ret
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) == 1:
+            return loc, []
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class LineEnd(PositionToken):
+    """Matches if current position is at the end of a line within the
+    parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.whiteChars.discard("\n")
+        self.set_whitespace_chars(self.whiteChars, copy_defaults=False)
+        self.errmsg = "Expected end of line"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            if instring[loc] == "\n":
+                return loc + 1, "\n"
+            else:
+                raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class StringStart(PositionToken):
+    """Matches if current position is at the beginning of the parse
+    string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected start of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            # see if entire string up to here is just whitespace and ignoreables
+            if loc != self.preParse(instring, 0):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class StringEnd(PositionToken):
+    """
+    Matches if current position is at the end of the parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected end of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        elif loc > len(instring):
+            return loc, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class WordStart(PositionToken):
+    """Matches if the current position is at the beginning of a
+    :class:`Word`, and is not preceded by any character in a given
+    set of ``word_chars`` (default= ``printables``). To emulate the
+    ``\b`` behavior of regular expressions, use
+    ``WordStart(alphanums)``. ``WordStart`` will also match at
+    the beginning of the string being parsed, or at the beginning of
+    a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.errmsg = "Not at the start of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            if (
+                instring[loc - 1] in self.wordChars
+                or instring[loc] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class WordEnd(PositionToken):
+    """Matches if the current position is at the end of a :class:`Word`,
+    and is not followed by any character in a given set of ``word_chars``
+    (default= ``printables``). To emulate the ``\b`` behavior of
+    regular expressions, use ``WordEnd(alphanums)``. ``WordEnd``
+    will also match at the end of the string being parsed, or at the end
+    of a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.skipWhitespace = False
+        self.errmsg = "Not at the end of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        instrlen = len(instring)
+        if instrlen > 0 and loc < instrlen:
+            if (
+                instring[loc] in self.wordChars
+                or instring[loc - 1] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class ParseExpression(ParserElement):
+    """Abstract subclass of ParserElement, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(savelist)
+        self.exprs: List[ParserElement]
+        if isinstance(exprs, _generatorType):
+            exprs = list(exprs)
+
+        if isinstance(exprs, str_type):
+            self.exprs = [self._literalStringClass(exprs)]
+        elif isinstance(exprs, ParserElement):
+            self.exprs = [exprs]
+        elif isinstance(exprs, Iterable):
+            exprs = list(exprs)
+            # if sequence of strings provided, wrap with Literal
+            if any(isinstance(expr, str_type) for expr in exprs):
+                exprs = (
+                    self._literalStringClass(e) if isinstance(e, str_type) else e
+                    for e in exprs
+                )
+            self.exprs = list(exprs)
+        else:
+            try:
+                self.exprs = list(exprs)
+            except TypeError:
+                self.exprs = [exprs]
+        self.callPreparse = False
+
+    def recurse(self) -> Sequence[ParserElement]:
+        return self.exprs[:]
+
+    def append(self, other) -> ParserElement:
+        self.exprs.append(other)
+        self._defaultName = None
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``leave_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``ignore_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().ignore_whitespace(recursive)
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                for e in self.exprs:
+                    e.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            for e in self.exprs:
+                e.ignore(self.ignoreExprs[-1])
+        return self
+
+    def _generateDefaultName(self):
+        return "{}:({})".format(self.__class__.__name__, str(self.exprs))
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+
+        for e in self.exprs:
+            e.streamline()
+
+        # collapse nested :class:`And`'s of the form ``And(And(And(a, b), c), d)`` to ``And(a, b, c, d)``
+        # but only if there are no parse actions or resultsNames on the nested And's
+        # (likewise for :class:`Or`'s and :class:`MatchFirst`'s)
+        if len(self.exprs) == 2:
+            other = self.exprs[0]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = other.exprs[:] + [self.exprs[1]]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+            other = self.exprs[-1]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = self.exprs[:-1] + other.exprs[:]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+        self.errmsg = "Expected " + str(self)
+
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        tmp = (validateTrace if validateTrace is not None else [])[:] + [self]
+        for e in self.exprs:
+            e.validate(tmp)
+        self._checkRecursion([])
+
+    def copy(self) -> ParserElement:
+        ret = super().copy()
+        ret.exprs = [e.copy() for e in self.exprs]
+        return ret
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in self.exprs:
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class And(ParseExpression):
+    """
+    Requires all given :class:`ParseExpression` s to be found in the given order.
+    Expressions may be separated by whitespace.
+    May be constructed using the ``'+'`` operator.
+    May also be constructed using the ``'-'`` operator, which will
+    suppress backtracking.
+
+    Example::
+
+        integer = Word(nums)
+        name_expr = Word(alphas)[1, ...]
+
+        expr = And([integer("id"), name_expr("name"), integer("age")])
+        # more easily written as:
+        expr = integer("id") + name_expr("name") + integer("age")
+    """
+
+    class _ErrorStop(Empty):
+        def __init__(self, *args, **kwargs):
+            super().__init__(*args, **kwargs)
+            self.leave_whitespace()
+
+        def _generateDefaultName(self):
+            return "-"
+
+    def __init__(
+        self, exprs_arg: typing.Iterable[ParserElement], savelist: bool = True
+    ):
+        exprs: List[ParserElement] = list(exprs_arg)
+        if exprs and Ellipsis in exprs:
+            tmp = []
+            for i, expr in enumerate(exprs):
+                if expr is Ellipsis:
+                    if i < len(exprs) - 1:
+                        skipto_arg: ParserElement = (Empty() + exprs[i + 1]).exprs[-1]
+                        tmp.append(SkipTo(skipto_arg)("_skipped*"))
+                    else:
+                        raise Exception(
+                            "cannot construct And with sequence ending in ..."
+                        )
+                else:
+                    tmp.append(expr)
+            exprs[:] = tmp
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+            if not isinstance(self.exprs[0], White):
+                self.set_whitespace_chars(
+                    self.exprs[0].whiteChars,
+                    copy_defaults=self.exprs[0].copyDefaultWhiteChars,
+                )
+                self.skipWhitespace = self.exprs[0].skipWhitespace
+            else:
+                self.skipWhitespace = False
+        else:
+            self.mayReturnEmpty = True
+        self.callPreparse = True
+
+    def streamline(self) -> ParserElement:
+        # collapse any _PendingSkip's
+        if self.exprs:
+            if any(
+                isinstance(e, ParseExpression)
+                and e.exprs
+                and isinstance(e.exprs[-1], _PendingSkip)
+                for e in self.exprs[:-1]
+            ):
+                for i, e in enumerate(self.exprs[:-1]):
+                    if e is None:
+                        continue
+                    if (
+                        isinstance(e, ParseExpression)
+                        and e.exprs
+                        and isinstance(e.exprs[-1], _PendingSkip)
+                    ):
+                        e.exprs[-1] = e.exprs[-1] + self.exprs[i + 1]
+                        self.exprs[i + 1] = None
+                self.exprs = [e for e in self.exprs if e is not None]
+
+        super().streamline()
+
+        # link any IndentedBlocks to the prior expression
+        for prev, cur in zip(self.exprs, self.exprs[1:]):
+            # traverse cur or any first embedded expr of cur looking for an IndentedBlock
+            # (but watch out for recursive grammar)
+            seen = set()
+            while cur:
+                if id(cur) in seen:
+                    break
+                seen.add(id(cur))
+                if isinstance(cur, IndentedBlock):
+                    prev.add_parse_action(
+                        lambda s, l, t, cur_=cur: setattr(
+                            cur_, "parent_anchor", col(l, s)
+                        )
+                    )
+                    break
+                subs = cur.recurse()
+                cur = next(iter(subs), None)
+
+        self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # pass False as callPreParse arg to _parse for first element, since we already
+        # pre-parsed the string as part of our And pre-parsing
+        loc, resultlist = self.exprs[0]._parse(
+            instring, loc, doActions, callPreParse=False
+        )
+        errorStop = False
+        for e in self.exprs[1:]:
+            # if isinstance(e, And._ErrorStop):
+            if type(e) is And._ErrorStop:
+                errorStop = True
+                continue
+            if errorStop:
+                try:
+                    loc, exprtokens = e._parse(instring, loc, doActions)
+                except ParseSyntaxException:
+                    raise
+                except ParseBaseException as pe:
+                    pe.__traceback__ = None
+                    raise ParseSyntaxException._from_exception(pe)
+                except IndexError:
+                    raise ParseSyntaxException(
+                        instring, len(instring), self.errmsg, self
+                    )
+            else:
+                loc, exprtokens = e._parse(instring, loc, doActions)
+            if exprtokens or exprtokens.haskeys():
+                resultlist += exprtokens
+        return loc, resultlist
+
+    def __iadd__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # And([self, other])
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.exprs:
+            e._checkRecursion(subRecCheckList)
+            if not e.mayReturnEmpty:
+                break
+
+    def _generateDefaultName(self):
+        inner = " ".join(str(e) for e in self.exprs)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "{" + inner + "}"
+
+
+class Or(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    two expressions match, the expression that matches the longest
+    string will be used. May be constructed using the ``'^'``
+    operator.
+
+    Example::
+
+        # construct Or using '^' operator
+
+        number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789"))
+
+    prints::
+
+        [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+        matches = []
+        fatals = []
+        if all(e.callPreparse for e in self.exprs):
+            loc = self.preParse(instring, loc)
+        for e in self.exprs:
+            try:
+                loc2 = e.try_parse(instring, loc, raise_fatal=True)
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parserElement = e
+                fatals.append(pfe)
+                maxException = None
+                maxExcLoc = -1
+            except ParseException as err:
+                if not fatals:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+            else:
+                # save match among all matches, to retry longest to shortest
+                matches.append((loc2, e))
+
+        if matches:
+            # re-evaluate all matches in descending order of length of match, in case attached actions
+            # might change whether or how much they match of the input.
+            matches.sort(key=itemgetter(0), reverse=True)
+
+            if not doActions:
+                # no further conditions or parse actions to change the selection of
+                # alternative, so the first match will be the best match
+                best_expr = matches[0][1]
+                return best_expr._parse(instring, loc, doActions)
+
+            longest = -1, None
+            for loc1, expr1 in matches:
+                if loc1 <= longest[0]:
+                    # already have a longer match than this one will deliver, we are done
+                    return longest
+
+                try:
+                    loc2, toks = expr1._parse(instring, loc, doActions)
+                except ParseException as err:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+                else:
+                    if loc2 >= loc1:
+                        return loc2, toks
+                    # didn't match as much as before
+                    elif loc2 > longest[0]:
+                        longest = loc2, toks
+
+            if longest != (-1, None):
+                return longest
+
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parserElement))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if maxException is not None:
+            maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ixor__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # Or([self, other])
+
+    def _generateDefaultName(self):
+        return "{" + " ^ ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class MatchFirst(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    more than one expression matches, the first one listed is the one that will
+    match. May be constructed using the ``'|'`` operator.
+
+    Example::
+
+        # construct MatchFirst using '|' operator
+
+        # watch the order of expressions to match
+        number = Word(nums) | Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789")) #  Fail! -> [['123'], ['3'], ['1416'], ['789']]
+
+        # put more selective expression first
+        number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums)
+        print(number.search_string("123 3.1416 789")) #  Better -> [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+        if self.exprs:
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+
+        for e in self.exprs:
+            try:
+                return e._parse(
+                    instring,
+                    loc,
+                    doActions,
+                )
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parserElement = e
+                raise
+            except ParseException as err:
+                if err.loc > maxExcLoc:
+                    maxException = err
+                    maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+
+        if maxException is not None:
+            maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ior__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # MatchFirst([self, other])
+
+    def _generateDefaultName(self):
+        return "{" + " | ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class Each(ParseExpression):
+    """Requires all given :class:`ParseExpression` s to be found, but in
+    any order. Expressions may be separated by whitespace.
+
+    May be constructed using the ``'&'`` operator.
+
+    Example::
+
+        color = one_of("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN")
+        shape_type = one_of("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON")
+        integer = Word(nums)
+        shape_attr = "shape:" + shape_type("shape")
+        posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn")
+        color_attr = "color:" + color("color")
+        size_attr = "size:" + integer("size")
+
+        # use Each (using operator '&') to accept attributes in any order
+        # (shape and posn are required, color and size are optional)
+        shape_spec = shape_attr & posn_attr & Opt(color_attr) & Opt(size_attr)
+
+        shape_spec.run_tests('''
+            shape: SQUARE color: BLACK posn: 100, 120
+            shape: CIRCLE size: 50 color: BLUE posn: 50,80
+            color:GREEN size:20 shape:TRIANGLE posn:20,40
+            '''
+            )
+
+    prints::
+
+        shape: SQUARE color: BLACK posn: 100, 120
+        ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']]
+        - color: BLACK
+        - posn: ['100', ',', '120']
+          - x: 100
+          - y: 120
+        - shape: SQUARE
+
+
+        shape: CIRCLE size: 50 color: BLUE posn: 50,80
+        ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']]
+        - color: BLUE
+        - posn: ['50', ',', '80']
+          - x: 50
+          - y: 80
+        - shape: CIRCLE
+        - size: 50
+
+
+        color: GREEN size: 20 shape: TRIANGLE posn: 20,40
+        ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']]
+        - color: GREEN
+        - posn: ['20', ',', '40']
+          - x: 20
+          - y: 40
+        - shape: TRIANGLE
+        - size: 20
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = True):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        self.skipWhitespace = True
+        self.initExprGroups = True
+        self.saveAsList = True
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.initExprGroups:
+            self.opt1map = dict(
+                (id(e.expr), e) for e in self.exprs if isinstance(e, Opt)
+            )
+            opt1 = [e.expr for e in self.exprs if isinstance(e, Opt)]
+            opt2 = [
+                e
+                for e in self.exprs
+                if e.mayReturnEmpty and not isinstance(e, (Opt, Regex, ZeroOrMore))
+            ]
+            self.optionals = opt1 + opt2
+            self.multioptionals = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, _MultipleMatch)
+            ]
+            self.multirequired = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, OneOrMore)
+            ]
+            self.required = [
+                e for e in self.exprs if not isinstance(e, (Opt, ZeroOrMore, OneOrMore))
+            ]
+            self.required += self.multirequired
+            self.initExprGroups = False
+
+        tmpLoc = loc
+        tmpReqd = self.required[:]
+        tmpOpt = self.optionals[:]
+        multis = self.multioptionals[:]
+        matchOrder = []
+
+        keepMatching = True
+        failed = []
+        fatals = []
+        while keepMatching:
+            tmpExprs = tmpReqd + tmpOpt + multis
+            failed.clear()
+            fatals.clear()
+            for e in tmpExprs:
+                try:
+                    tmpLoc = e.try_parse(instring, tmpLoc, raise_fatal=True)
+                except ParseFatalException as pfe:
+                    pfe.__traceback__ = None
+                    pfe.parserElement = e
+                    fatals.append(pfe)
+                    failed.append(e)
+                except ParseException:
+                    failed.append(e)
+                else:
+                    matchOrder.append(self.opt1map.get(id(e), e))
+                    if e in tmpReqd:
+                        tmpReqd.remove(e)
+                    elif e in tmpOpt:
+                        tmpOpt.remove(e)
+            if len(failed) == len(tmpExprs):
+                keepMatching = False
+
+        # look for any ParseFatalExceptions
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parserElement))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if tmpReqd:
+            missing = ", ".join([str(e) for e in tmpReqd])
+            raise ParseException(
+                instring,
+                loc,
+                "Missing one or more required elements ({})".format(missing),
+            )
+
+        # add any unmatched Opts, in case they have default values defined
+        matchOrder += [e for e in self.exprs if isinstance(e, Opt) and e.expr in tmpOpt]
+
+        total_results = ParseResults([])
+        for e in matchOrder:
+            loc, results = e._parse(instring, loc, doActions)
+            total_results += results
+
+        return loc, total_results
+
+    def _generateDefaultName(self):
+        return "{" + " & ".join(str(e) for e in self.exprs) + "}"
+
+
+class ParseElementEnhance(ParserElement):
+    """Abstract subclass of :class:`ParserElement`, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        super().__init__(savelist)
+        if isinstance(expr, str_type):
+            if issubclass(self._literalStringClass, Token):
+                expr = self._literalStringClass(expr)
+            elif issubclass(type(self), self._literalStringClass):
+                expr = Literal(expr)
+            else:
+                expr = self._literalStringClass(Literal(expr))
+        self.expr = expr
+        if expr is not None:
+            self.mayIndexError = expr.mayIndexError
+            self.mayReturnEmpty = expr.mayReturnEmpty
+            self.set_whitespace_chars(
+                expr.whiteChars, copy_defaults=expr.copyDefaultWhiteChars
+            )
+            self.skipWhitespace = expr.skipWhitespace
+            self.saveAsList = expr.saveAsList
+            self.callPreparse = expr.callPreparse
+            self.ignoreExprs.extend(expr.ignoreExprs)
+
+    def recurse(self) -> Sequence[ParserElement]:
+        return [self.expr] if self.expr is not None else []
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr is not None:
+            return self.expr._parse(instring, loc, doActions, callPreParse=False)
+        else:
+            raise ParseException(instring, loc, "No expression defined", self)
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            self.expr = self.expr.copy()
+            if self.expr is not None:
+                self.expr.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().ignore_whitespace(recursive)
+
+        if recursive:
+            self.expr = self.expr.copy()
+            if self.expr is not None:
+                self.expr.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                if self.expr is not None:
+                    self.expr.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            if self.expr is not None:
+                self.expr.ignore(self.ignoreExprs[-1])
+        return self
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.expr is not None:
+            self.expr.streamline()
+        return self
+
+    def _checkRecursion(self, parseElementList):
+        if self in parseElementList:
+            raise RecursiveGrammarException(parseElementList + [self])
+        subRecCheckList = parseElementList[:] + [self]
+        if self.expr is not None:
+            self.expr._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        if validateTrace is None:
+            validateTrace = []
+        tmp = validateTrace[:] + [self]
+        if self.expr is not None:
+            self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self):
+        return "{}:({})".format(self.__class__.__name__, str(self.expr))
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class IndentedBlock(ParseElementEnhance):
+    """
+    Expression to match one or more expressions at a given indentation level.
+    Useful for parsing text where structure is implied by indentation (like Python source code).
+    """
+
+    class _Indent(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = "expected indent at column {}".format(ref_col)
+            self.add_condition(lambda s, l, t: col(l, s) == ref_col)
+
+    class _IndentGreater(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = "expected indent at column greater than {}".format(ref_col)
+            self.add_condition(lambda s, l, t: col(l, s) > ref_col)
+
+    def __init__(
+        self, expr: ParserElement, *, recursive: bool = False, grouped: bool = True
+    ):
+        super().__init__(expr, savelist=True)
+        # if recursive:
+        #     raise NotImplementedError("IndentedBlock with recursive is not implemented")
+        self._recursive = recursive
+        self._grouped = grouped
+        self.parent_anchor = 1
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # advance parse position to non-whitespace by using an Empty()
+        # this should be the column to be used for all subsequent indented lines
+        anchor_loc = Empty().preParse(instring, loc)
+
+        # see if self.expr matches at the current location - if not it will raise an exception
+        # and no further work is necessary
+        self.expr.try_parse(instring, anchor_loc, doActions)
+
+        indent_col = col(anchor_loc, instring)
+        peer_detect_expr = self._Indent(indent_col)
+
+        inner_expr = Empty() + peer_detect_expr + self.expr
+        if self._recursive:
+            sub_indent = self._IndentGreater(indent_col)
+            nested_block = IndentedBlock(
+                self.expr, recursive=self._recursive, grouped=self._grouped
+            )
+            nested_block.set_debug(self.debug)
+            nested_block.parent_anchor = indent_col
+            inner_expr += Opt(sub_indent + nested_block)
+
+        inner_expr.set_name(f"inner {hex(id(inner_expr))[-4:].upper()}@{indent_col}")
+        block = OneOrMore(inner_expr)
+
+        trailing_undent = self._Indent(self.parent_anchor) | StringEnd()
+
+        if self._grouped:
+            wrapper = Group
+        else:
+            wrapper = lambda expr: expr
+        return (wrapper(block) + Optional(trailing_undent)).parseImpl(
+            instring, anchor_loc, doActions
+        )
+
+
+class AtStringStart(ParseElementEnhance):
+    """Matches if expression matches at the beginning of the parse
+    string::
+
+        AtStringStart(Word(nums)).parse_string("123")
+        # prints ["123"]
+
+        AtStringStart(Word(nums)).parse_string("    123")
+        # raises ParseException
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            raise ParseException(instring, loc, "not found at string start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class AtLineStart(ParseElementEnhance):
+    r"""Matches if an expression matches at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (AtLineStart('AAA') + restOfLine).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) != 1:
+            raise ParseException(instring, loc, "not found at line start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class FollowedBy(ParseElementEnhance):
+    """Lookahead matching of the given parse expression.
+    ``FollowedBy`` does *not* advance the parsing position within
+    the input string, it only verifies that the specified parse
+    expression matches at the current position.  ``FollowedBy``
+    always returns a null token list. If any results names are defined
+    in the lookahead expression, those *will* be returned for access by
+    name.
+
+    Example::
+
+        # use FollowedBy to match a label only if it is followed by a ':'
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        attr_expr[1, ...].parse_string("shape: SQUARE color: BLACK posn: upper left").pprint()
+
+    prints::
+
+        [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']]
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # by using self._expr.parse and deleting the contents of the returned ParseResults list
+        # we keep any named results that were defined in the FollowedBy expression
+        _, ret = self.expr._parse(instring, loc, doActions=doActions)
+        del ret[:]
+
+        return loc, ret
+
+
+class PrecededBy(ParseElementEnhance):
+    """Lookbehind matching of the given parse expression.
+    ``PrecededBy`` does not advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    matches prior to the current position.  ``PrecededBy`` always
+    returns a null token list, but if a results name is defined on the
+    given expression, it is returned.
+
+    Parameters:
+
+    - expr - expression that must match prior to the current parse
+      location
+    - retreat - (default= ``None``) - (int) maximum number of characters
+      to lookbehind prior to the current parse location
+
+    If the lookbehind expression is a string, :class:`Literal`,
+    :class:`Keyword`, or a :class:`Word` or :class:`CharsNotIn`
+    with a specified exact or maximum length, then the retreat
+    parameter is not required. Otherwise, retreat must be specified to
+    give a maximum number of characters to look back from
+    the current parse position for a lookbehind match.
+
+    Example::
+
+        # VB-style variable names with type prefixes
+        int_var = PrecededBy("#") + pyparsing_common.identifier
+        str_var = PrecededBy("$") + pyparsing_common.identifier
+
+    """
+
+    def __init__(
+        self, expr: Union[ParserElement, str], retreat: typing.Optional[int] = None
+    ):
+        super().__init__(expr)
+        self.expr = self.expr().leave_whitespace()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.exact = False
+        if isinstance(expr, str_type):
+            retreat = len(expr)
+            self.exact = True
+        elif isinstance(expr, (Literal, Keyword)):
+            retreat = expr.matchLen
+            self.exact = True
+        elif isinstance(expr, (Word, CharsNotIn)) and expr.maxLen != _MAX_INT:
+            retreat = expr.maxLen
+            self.exact = True
+        elif isinstance(expr, PositionToken):
+            retreat = 0
+            self.exact = True
+        self.retreat = retreat
+        self.errmsg = "not preceded by " + str(expr)
+        self.skipWhitespace = False
+        self.parseAction.append(lambda s, l, t: t.__delitem__(slice(None, None)))
+
+    def parseImpl(self, instring, loc=0, doActions=True):
+        if self.exact:
+            if loc < self.retreat:
+                raise ParseException(instring, loc, self.errmsg)
+            start = loc - self.retreat
+            _, ret = self.expr._parse(instring, start)
+        else:
+            # retreat specified a maximum lookbehind window, iterate
+            test_expr = self.expr + StringEnd()
+            instring_slice = instring[max(0, loc - self.retreat) : loc]
+            last_expr = ParseException(instring, loc, self.errmsg)
+            for offset in range(1, min(loc, self.retreat + 1) + 1):
+                try:
+                    # print('trying', offset, instring_slice, repr(instring_slice[loc - offset:]))
+                    _, ret = test_expr._parse(
+                        instring_slice, len(instring_slice) - offset
+                    )
+                except ParseBaseException as pbe:
+                    last_expr = pbe
+                else:
+                    break
+            else:
+                raise last_expr
+        return loc, ret
+
+
+class Located(ParseElementEnhance):
+    """
+    Decorates a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parse_with_tabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in Located(wd).search_string("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [0, ['ljsdf'], 5]
+        [8, ['lksdjjf'], 15]
+        [18, ['lkkjj'], 23]
+
+    """
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        loc, tokens = self.expr._parse(instring, start, doActions, callPreParse=False)
+        ret_tokens = ParseResults([start, tokens, loc])
+        ret_tokens["locn_start"] = start
+        ret_tokens["value"] = tokens
+        ret_tokens["locn_end"] = loc
+        if self.resultsName:
+            # must return as a list, so that the name will be attached to the complete group
+            return loc, [ret_tokens]
+        else:
+            return loc, ret_tokens
+
+
+class NotAny(ParseElementEnhance):
+    """
+    Lookahead to disallow matching with the given parse expression.
+    ``NotAny`` does *not* advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    does *not* match at the current position.  Also, ``NotAny`` does
+    *not* skip over leading whitespace. ``NotAny`` always returns
+    a null token list.  May be constructed using the ``'~'`` operator.
+
+    Example::
+
+        AND, OR, NOT = map(CaselessKeyword, "AND OR NOT".split())
+
+        # take care not to mistake keywords for identifiers
+        ident = ~(AND | OR | NOT) + Word(alphas)
+        boolean_term = Opt(NOT) + ident
+
+        # very crude boolean expression - to support parenthesis groups and
+        # operation hierarchy, use infix_notation
+        boolean_expr = boolean_term + ((AND | OR) + boolean_term)[...]
+
+        # integers that are followed by "." are actually floats
+        integer = Word(nums) + ~Char(".")
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        # do NOT use self.leave_whitespace(), don't want to propagate to exprs
+        # self.leave_whitespace()
+        self.skipWhitespace = False
+
+        self.mayReturnEmpty = True
+        self.errmsg = "Found unwanted token, " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr.can_parse_next(instring, loc):
+            raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+    def _generateDefaultName(self):
+        return "~{" + str(self.expr) + "}"
+
+
+class _MultipleMatch(ParseElementEnhance):
+    def __init__(
+        self,
+        expr: ParserElement,
+        stop_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        stopOn: typing.Optional[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr)
+        stopOn = stopOn or stop_on
+        self.saveAsList = True
+        ender = stopOn
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.stopOn(ender)
+
+    def stopOn(self, ender) -> ParserElement:
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.not_ender = ~ender if ender is not None else None
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr_parse = self.expr._parse
+        self_skip_ignorables = self._skipIgnorables
+        check_ender = self.not_ender is not None
+        if check_ender:
+            try_not_ender = self.not_ender.tryParse
+
+        # must be at least one (but first see if we are the stopOn sentinel;
+        # if so, fail)
+        if check_ender:
+            try_not_ender(instring, loc)
+        loc, tokens = self_expr_parse(instring, loc, doActions)
+        try:
+            hasIgnoreExprs = not not self.ignoreExprs
+            while 1:
+                if check_ender:
+                    try_not_ender(instring, loc)
+                if hasIgnoreExprs:
+                    preloc = self_skip_ignorables(instring, loc)
+                else:
+                    preloc = loc
+                loc, tmptokens = self_expr_parse(instring, preloc, doActions)
+                if tmptokens or tmptokens.haskeys():
+                    tokens += tmptokens
+        except (ParseException, IndexError):
+            pass
+
+        return loc, tokens
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in [self.expr] + self.expr.recurse():
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class OneOrMore(_MultipleMatch):
+    """
+    Repetition of one or more of the given expression.
+
+    Parameters:
+    - expr - expression that must match one or more times
+    - stop_on - (default= ``None``) - expression for a terminating sentinel
+         (only required if the sentinel would ordinarily match the repetition
+         expression)
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).set_parse_action(' '.join))
+
+        text = "shape: SQUARE posn: upper left color: BLACK"
+        attr_expr[1, ...].parse_string(text).pprint()  # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']]
+
+        # use stop_on attribute for OneOrMore to avoid reading label string as part of the data
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        OneOrMore(attr_expr).parse_string(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']]
+
+        # could also be written as
+        (attr_expr * (1,)).parse_string(text).pprint()
+    """
+
+    def _generateDefaultName(self):
+        return "{" + str(self.expr) + "}..."
+
+
+class ZeroOrMore(_MultipleMatch):
+    """
+    Optional repetition of zero or more of the given expression.
+
+    Parameters:
+    - ``expr`` - expression that must match zero or more times
+    - ``stop_on`` - expression for a terminating sentinel
+      (only required if the sentinel would ordinarily match the repetition
+      expression) - (default= ``None``)
+
+    Example: similar to :class:`OneOrMore`
+    """
+
+    def __init__(
+        self,
+        expr: ParserElement,
+        stop_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        stopOn: typing.Optional[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr, stopOn=stopOn or stop_on)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        try:
+            return super().parseImpl(instring, loc, doActions)
+        except (ParseException, IndexError):
+            return loc, ParseResults([], name=self.resultsName)
+
+    def _generateDefaultName(self):
+        return "[" + str(self.expr) + "]..."
+
+
+class _NullToken:
+    def __bool__(self):
+        return False
+
+    def __str__(self):
+        return ""
+
+
+class Opt(ParseElementEnhance):
+    """
+    Optional matching of the given expression.
+
+    Parameters:
+    - ``expr`` - expression that must match zero or more times
+    - ``default`` (optional) - value to be returned if the optional expression is not found.
+
+    Example::
+
+        # US postal code can be a 5-digit zip, plus optional 4-digit qualifier
+        zip = Combine(Word(nums, exact=5) + Opt('-' + Word(nums, exact=4)))
+        zip.run_tests('''
+            # traditional ZIP code
+            12345
+
+            # ZIP+4 form
+            12101-0001
+
+            # invalid ZIP
+            98765-
+            ''')
+
+    prints::
+
+        # traditional ZIP code
+        12345
+        ['12345']
+
+        # ZIP+4 form
+        12101-0001
+        ['12101-0001']
+
+        # invalid ZIP
+        98765-
+             ^
+        FAIL: Expected end of text (at char 5), (line:1, col:6)
+    """
+
+    __optionalNotMatched = _NullToken()
+
+    def __init__(
+        self, expr: Union[ParserElement, str], default: Any = __optionalNotMatched
+    ):
+        super().__init__(expr, savelist=False)
+        self.saveAsList = self.expr.saveAsList
+        self.defaultValue = default
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr = self.expr
+        try:
+            loc, tokens = self_expr._parse(instring, loc, doActions, callPreParse=False)
+        except (ParseException, IndexError):
+            default_value = self.defaultValue
+            if default_value is not self.__optionalNotMatched:
+                if self_expr.resultsName:
+                    tokens = ParseResults([default_value])
+                    tokens[self_expr.resultsName] = default_value
+                else:
+                    tokens = [default_value]
+            else:
+                tokens = []
+        return loc, tokens
+
+    def _generateDefaultName(self):
+        inner = str(self.expr)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "[" + inner + "]"
+
+
+Optional = Opt
+
+
+class SkipTo(ParseElementEnhance):
+    """
+    Token for skipping over all undefined text until the matched
+    expression is found.
+
+    Parameters:
+    - ``expr`` - target expression marking the end of the data to be skipped
+    - ``include`` - if ``True``, the target expression is also parsed
+      (the skipped text and target expression are returned as a 2-element
+      list) (default= ``False``).
+    - ``ignore`` - (default= ``None``) used to define grammars (typically quoted strings and
+      comments) that might contain false matches to the target expression
+    - ``fail_on`` - (default= ``None``) define expressions that are not allowed to be
+      included in the skipped test; if found before the target expression is found,
+      the :class:`SkipTo` is not a match
+
+    Example::
+
+        report = '''
+            Outstanding Issues Report - 1 Jan 2000
+
+               # | Severity | Description                               |  Days Open
+            -----+----------+-------------------------------------------+-----------
+             101 | Critical | Intermittent system crash                 |          6
+              94 | Cosmetic | Spelling error on Login ('log|n')         |         14
+              79 | Minor    | System slow when running too many reports |         47
+            '''
+        integer = Word(nums)
+        SEP = Suppress('|')
+        # use SkipTo to simply match everything up until the next SEP
+        # - ignore quoted strings, so that a '|' character inside a quoted string does not match
+        # - parse action will call token.strip() for each matched token, i.e., the description body
+        string_data = SkipTo(SEP, ignore=quoted_string)
+        string_data.set_parse_action(token_map(str.strip))
+        ticket_expr = (integer("issue_num") + SEP
+                      + string_data("sev") + SEP
+                      + string_data("desc") + SEP
+                      + integer("days_open"))
+
+        for tkt in ticket_expr.search_string(report):
+            print tkt.dump()
+
+    prints::
+
+        ['101', 'Critical', 'Intermittent system crash', '6']
+        - days_open: '6'
+        - desc: 'Intermittent system crash'
+        - issue_num: '101'
+        - sev: 'Critical'
+        ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14']
+        - days_open: '14'
+        - desc: "Spelling error on Login ('log|n')"
+        - issue_num: '94'
+        - sev: 'Cosmetic'
+        ['79', 'Minor', 'System slow when running too many reports', '47']
+        - days_open: '47'
+        - desc: 'System slow when running too many reports'
+        - issue_num: '79'
+        - sev: 'Minor'
+    """
+
+    def __init__(
+        self,
+        other: Union[ParserElement, str],
+        include: bool = False,
+        ignore: bool = None,
+        fail_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        failOn: Union[ParserElement, str] = None,
+    ):
+        super().__init__(other)
+        failOn = failOn or fail_on
+        self.ignoreExpr = ignore
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.includeMatch = include
+        self.saveAsList = False
+        if isinstance(failOn, str_type):
+            self.failOn = self._literalStringClass(failOn)
+        else:
+            self.failOn = failOn
+        self.errmsg = "No match found for " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        startloc = loc
+        instrlen = len(instring)
+        self_expr_parse = self.expr._parse
+        self_failOn_canParseNext = (
+            self.failOn.canParseNext if self.failOn is not None else None
+        )
+        self_ignoreExpr_tryParse = (
+            self.ignoreExpr.tryParse if self.ignoreExpr is not None else None
+        )
+
+        tmploc = loc
+        while tmploc <= instrlen:
+            if self_failOn_canParseNext is not None:
+                # break if failOn expression matches
+                if self_failOn_canParseNext(instring, tmploc):
+                    break
+
+            if self_ignoreExpr_tryParse is not None:
+                # advance past ignore expressions
+                while 1:
+                    try:
+                        tmploc = self_ignoreExpr_tryParse(instring, tmploc)
+                    except ParseBaseException:
+                        break
+
+            try:
+                self_expr_parse(instring, tmploc, doActions=False, callPreParse=False)
+            except (ParseException, IndexError):
+                # no match, advance loc in string
+                tmploc += 1
+            else:
+                # matched skipto expr, done
+                break
+
+        else:
+            # ran off the end of the input string without matching skipto expr, fail
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        # build up return values
+        loc = tmploc
+        skiptext = instring[startloc:loc]
+        skipresult = ParseResults(skiptext)
+
+        if self.includeMatch:
+            loc, mat = self_expr_parse(instring, loc, doActions, callPreParse=False)
+            skipresult += mat
+
+        return loc, skipresult
+
+
+class Forward(ParseElementEnhance):
+    """
+    Forward declaration of an expression to be defined later -
+    used for recursive grammars, such as algebraic infix notation.
+    When the expression is known, it is assigned to the ``Forward``
+    variable using the ``'<<'`` operator.
+
+    Note: take care when assigning to ``Forward`` not to overlook
+    precedence of operators.
+
+    Specifically, ``'|'`` has a lower precedence than ``'<<'``, so that::
+
+        fwd_expr << a | b | c
+
+    will actually be evaluated as::
+
+        (fwd_expr << a) | b | c
+
+    thereby leaving b and c out as parseable alternatives.  It is recommended that you
+    explicitly group the values inserted into the ``Forward``::
+
+        fwd_expr << (a | b | c)
+
+    Converting to use the ``'<<='`` operator instead will avoid this problem.
+
+    See :class:`ParseResults.pprint` for an example of a recursive
+    parser created using ``Forward``.
+    """
+
+    def __init__(self, other: typing.Optional[Union[ParserElement, str]] = None):
+        self.caller_frame = traceback.extract_stack(limit=2)[0]
+        super().__init__(other, savelist=False)
+        self.lshift_line = None
+
+    def __lshift__(self, other):
+        if hasattr(self, "caller_frame"):
+            del self.caller_frame
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        self.expr = other
+        self.mayIndexError = self.expr.mayIndexError
+        self.mayReturnEmpty = self.expr.mayReturnEmpty
+        self.set_whitespace_chars(
+            self.expr.whiteChars, copy_defaults=self.expr.copyDefaultWhiteChars
+        )
+        self.skipWhitespace = self.expr.skipWhitespace
+        self.saveAsList = self.expr.saveAsList
+        self.ignoreExprs.extend(self.expr.ignoreExprs)
+        self.lshift_line = traceback.extract_stack(limit=2)[-2]
+        return self
+
+    def __ilshift__(self, other):
+        return self << other
+
+    def __or__(self, other):
+        caller_line = traceback.extract_stack(limit=2)[-2]
+        if (
+            __diag__.warn_on_match_first_with_lshift_operator
+            and caller_line == self.lshift_line
+            and Diagnostics.warn_on_match_first_with_lshift_operator
+            not in self.suppress_warnings_
+        ):
+            warnings.warn(
+                "using '<<' operator with '|' is probably an error, use '<<='",
+                stacklevel=2,
+            )
+        ret = super().__or__(other)
+        return ret
+
+    def __del__(self):
+        # see if we are getting dropped because of '=' reassignment of var instead of '<<=' or '<<'
+        if (
+            self.expr is None
+            and __diag__.warn_on_assignment_to_Forward
+            and Diagnostics.warn_on_assignment_to_Forward not in self.suppress_warnings_
+        ):
+            warnings.warn_explicit(
+                "Forward defined here but no expression attached later using '<<=' or '<<'",
+                UserWarning,
+                filename=self.caller_frame.filename,
+                lineno=self.caller_frame.lineno,
+            )
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if (
+            self.expr is None
+            and __diag__.warn_on_parse_using_empty_Forward
+            and Diagnostics.warn_on_parse_using_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            # walk stack until parse_string, scan_string, search_string, or transform_string is found
+            parse_fns = [
+                "parse_string",
+                "scan_string",
+                "search_string",
+                "transform_string",
+            ]
+            tb = traceback.extract_stack(limit=200)
+            for i, frm in enumerate(reversed(tb), start=1):
+                if frm.name in parse_fns:
+                    stacklevel = i + 1
+                    break
+            else:
+                stacklevel = 2
+            warnings.warn(
+                "Forward expression was never assigned a value, will not parse any input",
+                stacklevel=stacklevel,
+            )
+        if not ParserElement._left_recursion_enabled:
+            return super().parseImpl(instring, loc, doActions)
+        # ## Bounded Recursion algorithm ##
+        # Recursion only needs to be processed at ``Forward`` elements, since they are
+        # the only ones that can actually refer to themselves. The general idea is
+        # to handle recursion stepwise: We start at no recursion, then recurse once,
+        # recurse twice, ..., until more recursion offers no benefit (we hit the bound).
+        #
+        # The "trick" here is that each ``Forward`` gets evaluated in two contexts
+        # - to *match* a specific recursion level, and
+        # - to *search* the bounded recursion level
+        # and the two run concurrently. The *search* must *match* each recursion level
+        # to find the best possible match. This is handled by a memo table, which
+        # provides the previous match to the next level match attempt.
+        #
+        # See also "Left Recursion in Parsing Expression Grammars", Medeiros et al.
+        #
+        # There is a complication since we not only *parse* but also *transform* via
+        # actions: We do not want to run the actions too often while expanding. Thus,
+        # we expand using `doActions=False` and only run `doActions=True` if the next
+        # recursion level is acceptable.
+        with ParserElement.recursion_lock:
+            memo = ParserElement.recursion_memos
+            try:
+                # we are parsing at a specific recursion expansion - use it as-is
+                prev_loc, prev_result = memo[loc, self, doActions]
+                if isinstance(prev_result, Exception):
+                    raise prev_result
+                return prev_loc, prev_result.copy()
+            except KeyError:
+                act_key = (loc, self, True)
+                peek_key = (loc, self, False)
+                # we are searching for the best recursion expansion - keep on improving
+                # both `doActions` cases must be tracked separately here!
+                prev_loc, prev_peek = memo[peek_key] = (
+                    loc - 1,
+                    ParseException(
+                        instring, loc, "Forward recursion without base case", self
+                    ),
+                )
+                if doActions:
+                    memo[act_key] = memo[peek_key]
+                while True:
+                    try:
+                        new_loc, new_peek = super().parseImpl(instring, loc, False)
+                    except ParseException:
+                        # we failed before getting any match – do not hide the error
+                        if isinstance(prev_peek, Exception):
+                            raise
+                        new_loc, new_peek = prev_loc, prev_peek
+                    # the match did not get better: we are done
+                    if new_loc <= prev_loc:
+                        if doActions:
+                            # replace the match for doActions=False as well,
+                            # in case the action did backtrack
+                            prev_loc, prev_result = memo[peek_key] = memo[act_key]
+                            del memo[peek_key], memo[act_key]
+                            return prev_loc, prev_result.copy()
+                        del memo[peek_key]
+                        return prev_loc, prev_peek.copy()
+                    # the match did get better: see if we can improve further
+                    else:
+                        if doActions:
+                            try:
+                                memo[act_key] = super().parseImpl(instring, loc, True)
+                            except ParseException as e:
+                                memo[peek_key] = memo[act_key] = (new_loc, e)
+                                raise
+                        prev_loc, prev_peek = memo[peek_key] = new_loc, new_peek
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = False
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = True
+        return self
+
+    def streamline(self) -> ParserElement:
+        if not self.streamlined:
+            self.streamlined = True
+            if self.expr is not None:
+                self.expr.streamline()
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        if validateTrace is None:
+            validateTrace = []
+
+        if self not in validateTrace:
+            tmp = validateTrace[:] + [self]
+            if self.expr is not None:
+                self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self):
+        # Avoid infinite recursion by setting a temporary _defaultName
+        self._defaultName = ": ..."
+
+        # Use the string representation of main expression.
+        retString = "..."
+        try:
+            if self.expr is not None:
+                retString = str(self.expr)[:1000]
+            else:
+                retString = "None"
+        finally:
+            return self.__class__.__name__ + ": " + retString
+
+    def copy(self) -> ParserElement:
+        if self.expr is not None:
+            return super().copy()
+        else:
+            ret = Forward()
+            ret <<= self
+            return ret
+
+    def _setResultsName(self, name, list_all_matches=False):
+        if (
+            __diag__.warn_name_set_on_empty_Forward
+            and Diagnostics.warn_name_set_on_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            if self.expr is None:
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "that has no contained expression".format(
+                        "warn_name_set_on_empty_Forward", name, type(self).__name__
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, list_all_matches)
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class TokenConverter(ParseElementEnhance):
+    """
+    Abstract subclass of :class:`ParseExpression`, for converting parsed results.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist=False):
+        super().__init__(expr)  # , savelist)
+        self.saveAsList = False
+
+
+class Combine(TokenConverter):
+    """Converter to concatenate all matching tokens to a single string.
+    By default, the matching patterns must also be contiguous in the
+    input string; this can be disabled by specifying
+    ``'adjacent=False'`` in the constructor.
+
+    Example::
+
+        real = Word(nums) + '.' + Word(nums)
+        print(real.parse_string('3.1416')) # -> ['3', '.', '1416']
+        # will also erroneously match the following
+        print(real.parse_string('3. 1416')) # -> ['3', '.', '1416']
+
+        real = Combine(Word(nums) + '.' + Word(nums))
+        print(real.parse_string('3.1416')) # -> ['3.1416']
+        # no match when there are internal spaces
+        print(real.parse_string('3. 1416')) # -> Exception: Expected W:(0123...)
+    """
+
+    def __init__(
+        self,
+        expr: ParserElement,
+        join_string: str = "",
+        adjacent: bool = True,
+        *,
+        joinString: typing.Optional[str] = None,
+    ):
+        super().__init__(expr)
+        joinString = joinString if joinString is not None else join_string
+        # suppress whitespace-stripping in contained parse expressions, but re-enable it on the Combine itself
+        if adjacent:
+            self.leave_whitespace()
+        self.adjacent = adjacent
+        self.skipWhitespace = True
+        self.joinString = joinString
+        self.callPreparse = True
+
+    def ignore(self, other) -> ParserElement:
+        if self.adjacent:
+            ParserElement.ignore(self, other)
+        else:
+            super().ignore(other)
+        return self
+
+    def postParse(self, instring, loc, tokenlist):
+        retToks = tokenlist.copy()
+        del retToks[:]
+        retToks += ParseResults(
+            ["".join(tokenlist._asStringList(self.joinString))], modal=self.modalResults
+        )
+
+        if self.resultsName and retToks.haskeys():
+            return [retToks]
+        else:
+            return retToks
+
+
+class Group(TokenConverter):
+    """Converter to return the matched tokens as a list - useful for
+    returning tokens of :class:`ZeroOrMore` and :class:`OneOrMore` expressions.
+
+    The optional ``aslist`` argument when set to True will return the
+    parsed tokens as a Python list instead of a pyparsing ParseResults.
+
+    Example::
+
+        ident = Word(alphas)
+        num = Word(nums)
+        term = ident | num
+        func = ident + Opt(delimited_list(term))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', 'a', 'b', '100']
+
+        func = ident + Group(Opt(delimited_list(term)))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', ['a', 'b', '100']]
+    """
+
+    def __init__(self, expr: ParserElement, aslist: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonList = aslist
+
+    def postParse(self, instring, loc, tokenlist):
+        if self._asPythonList:
+            return ParseResults.List(
+                tokenlist.asList()
+                if isinstance(tokenlist, ParseResults)
+                else list(tokenlist)
+            )
+        else:
+            return [tokenlist]
+
+
+class Dict(TokenConverter):
+    """Converter to return a repetitive expression as a list, but also
+    as a dictionary. Each element can also be referenced using the first
+    token in the expression as its key. Useful for tabular report
+    scraping when the first column can be used as a item key.
+
+    The optional ``asdict`` argument when set to True will return the
+    parsed tokens as a Python dict instead of a pyparsing ParseResults.
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        # print attributes as plain groups
+        print(attr_expr[1, ...].parse_string(text).dump())
+
+        # instead of OneOrMore(expr), parse using Dict(Group(expr)[1, ...]) - Dict will auto-assign names
+        result = Dict(Group(attr_expr)[1, ...]).parse_string(text)
+        print(result.dump())
+
+        # access named fields as dict entries, or output as dict
+        print(result['shape'])
+        print(result.as_dict())
+
+    prints::
+
+        ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap']
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: 'light blue'
+        - posn: 'upper left'
+        - shape: 'SQUARE'
+        - texture: 'burlap'
+        SQUARE
+        {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'}
+
+    See more examples at :class:`ParseResults` of accessing fields by results name.
+    """
+
+    def __init__(self, expr: ParserElement, asdict: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonDict = asdict
+
+    def postParse(self, instring, loc, tokenlist):
+        for i, tok in enumerate(tokenlist):
+            if len(tok) == 0:
+                continue
+
+            ikey = tok[0]
+            if isinstance(ikey, int):
+                ikey = str(ikey).strip()
+
+            if len(tok) == 1:
+                tokenlist[ikey] = _ParseResultsWithOffset("", i)
+
+            elif len(tok) == 2 and not isinstance(tok[1], ParseResults):
+                tokenlist[ikey] = _ParseResultsWithOffset(tok[1], i)
+
+            else:
+                try:
+                    dictvalue = tok.copy()  # ParseResults(i)
+                except Exception:
+                    exc = TypeError(
+                        "could not extract dict values from parsed results"
+                        " - Dict expression must contain Grouped expressions"
+                    )
+                    raise exc from None
+
+                del dictvalue[0]
+
+                if len(dictvalue) != 1 or (
+                    isinstance(dictvalue, ParseResults) and dictvalue.haskeys()
+                ):
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue, i)
+                else:
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue[0], i)
+
+        if self._asPythonDict:
+            return [tokenlist.as_dict()] if self.resultsName else tokenlist.as_dict()
+        else:
+            return [tokenlist] if self.resultsName else tokenlist
+
+
+class Suppress(TokenConverter):
+    """Converter for ignoring the results of a parsed expression.
+
+    Example::
+
+        source = "a, b, c,d"
+        wd = Word(alphas)
+        wd_list1 = wd + (',' + wd)[...]
+        print(wd_list1.parse_string(source))
+
+        # often, delimiters that are useful during parsing are just in the
+        # way afterward - use Suppress to keep them out of the parsed output
+        wd_list2 = wd + (Suppress(',') + wd)[...]
+        print(wd_list2.parse_string(source))
+
+        # Skipped text (using '...') can be suppressed as well
+        source = "lead in START relevant text END trailing text"
+        start_marker = Keyword("START")
+        end_marker = Keyword("END")
+        find_body = Suppress(...) + start_marker + ... + end_marker
+        print(find_body.parse_string(source)
+
+    prints::
+
+        ['a', ',', 'b', ',', 'c', ',', 'd']
+        ['a', 'b', 'c', 'd']
+        ['START', 'relevant text ', 'END']
+
+    (See also :class:`delimited_list`.)
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        if expr is ...:
+            expr = _PendingSkip(NoMatch())
+        super().__init__(expr)
+
+    def __add__(self, other) -> "ParserElement":
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) + other
+        else:
+            return super().__add__(other)
+
+    def __sub__(self, other) -> "ParserElement":
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) - other
+        else:
+            return super().__sub__(other)
+
+    def postParse(self, instring, loc, tokenlist):
+        return []
+
+    def suppress(self) -> ParserElement:
+        return self
+
+
+def trace_parse_action(f: ParseAction) -> ParseAction:
+    """Decorator for debugging parse actions.
+
+    When the parse action is called, this decorator will print
+    ``">> entering method-name(line:<current_source_line>, <parse_location>, <matched_tokens>)"``.
+    When the parse action completes, the decorator will print
+    ``"<<"`` followed by the returned value, or any exception that the parse action raised.
+
+    Example::
+
+        wd = Word(alphas)
+
+        @trace_parse_action
+        def remove_duplicate_chars(tokens):
+            return ''.join(sorted(set(''.join(tokens))))
+
+        wds = wd[1, ...].set_parse_action(remove_duplicate_chars)
+        print(wds.parse_string("slkdjs sld sldd sdlf sdljf"))
+
+    prints::
+
+        >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {}))
+        <<leaving remove_duplicate_chars (ret: 'dfjkls')
+        ['dfjkls']
+    """
+    f = _trim_arity(f)
+
+    def z(*paArgs):
+        thisFunc = f.__name__
+        s, l, t = paArgs[-3:]
+        if len(paArgs) > 3:
+            thisFunc = paArgs[0].__class__.__name__ + "." + thisFunc
+        sys.stderr.write(
+            ">>entering {}(line: {!r}, {}, {!r})\n".format(thisFunc, line(l, s), l, t)
+        )
+        try:
+            ret = f(*paArgs)
+        except Exception as exc:
+            sys.stderr.write("<<leaving {} (exception: {})\n".format(thisFunc, exc))
+            raise
+        sys.stderr.write("<<leaving {} (ret: {!r})\n".format(thisFunc, ret))
+        return ret
+
+    z.__name__ = f.__name__
+    return z
+
+
+# convenience constants for positional expressions
+empty = Empty().set_name("empty")
+line_start = LineStart().set_name("line_start")
+line_end = LineEnd().set_name("line_end")
+string_start = StringStart().set_name("string_start")
+string_end = StringEnd().set_name("string_end")
+
+_escapedPunc = Word(_bslash, r"\[]-*.$+^?()~ ", exact=2).set_parse_action(
+    lambda s, l, t: t[0][1]
+)
+_escapedHexChar = Regex(r"\\0?[xX][0-9a-fA-F]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0].lstrip(r"\0x"), 16))
+)
+_escapedOctChar = Regex(r"\\0[0-7]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0][1:], 8))
+)
+_singleChar = (
+    _escapedPunc | _escapedHexChar | _escapedOctChar | CharsNotIn(r"\]", exact=1)
+)
+_charRange = Group(_singleChar + Suppress("-") + _singleChar)
+_reBracketExpr = (
+    Literal("[")
+    + Opt("^").set_results_name("negate")
+    + Group(OneOrMore(_charRange | _singleChar)).set_results_name("body")
+    + "]"
+)
+
+
+def srange(s: str) -> str:
+    r"""Helper to easily define string ranges for use in :class:`Word`
+    construction. Borrows syntax from regexp ``'[]'`` string range
+    definitions::
+
+        srange("[0-9]")   -> "0123456789"
+        srange("[a-z]")   -> "abcdefghijklmnopqrstuvwxyz"
+        srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_"
+
+    The input string must be enclosed in []'s, and the returned string
+    is the expanded character set joined into a single string. The
+    values enclosed in the []'s may be:
+
+    - a single character
+    - an escaped character with a leading backslash (such as ``\-``
+      or ``\]``)
+    - an escaped hex character with a leading ``'\x'``
+      (``\x21``, which is a ``'!'`` character) (``\0x##``
+      is also supported for backwards compatibility)
+    - an escaped octal character with a leading ``'\0'``
+      (``\041``, which is a ``'!'`` character)
+    - a range of any of the above, separated by a dash (``'a-z'``,
+      etc.)
+    - any combination of the above (``'aeiouy'``,
+      ``'a-zA-Z0-9_$'``, etc.)
+    """
+    _expanded = (
+        lambda p: p
+        if not isinstance(p, ParseResults)
+        else "".join(chr(c) for c in range(ord(p[0]), ord(p[1]) + 1))
+    )
+    try:
+        return "".join(_expanded(part) for part in _reBracketExpr.parse_string(s).body)
+    except Exception:
+        return ""
+
+
+def token_map(func, *args) -> ParseAction:
+    """Helper to define a parse action by mapping a function to all
+    elements of a :class:`ParseResults` list. If any additional args are passed,
+    they are forwarded to the given function as additional arguments
+    after the token, as in
+    ``hex_integer = Word(hexnums).set_parse_action(token_map(int, 16))``,
+    which will convert the parsed data to an integer using base 16.
+
+    Example (compare the last to example in :class:`ParserElement.transform_string`::
+
+        hex_ints = Word(hexnums)[1, ...].set_parse_action(token_map(int, 16))
+        hex_ints.run_tests('''
+            00 11 22 aa FF 0a 0d 1a
+            ''')
+
+        upperword = Word(alphas).set_parse_action(token_map(str.upper))
+        upperword[1, ...].run_tests('''
+            my kingdom for a horse
+            ''')
+
+        wd = Word(alphas).set_parse_action(token_map(str.title))
+        wd[1, ...].set_parse_action(' '.join).run_tests('''
+            now is the winter of our discontent made glorious summer by this sun of york
+            ''')
+
+    prints::
+
+        00 11 22 aa FF 0a 0d 1a
+        [0, 17, 34, 170, 255, 10, 13, 26]
+
+        my kingdom for a horse
+        ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE']
+
+        now is the winter of our discontent made glorious summer by this sun of york
+        ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York']
+    """
+
+    def pa(s, l, t):
+        return [func(tokn, *args) for tokn in t]
+
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    pa.__name__ = func_name
+
+    return pa
+
+
+def autoname_elements() -> None:
+    """
+    Utility to simplify mass-naming of parser elements, for
+    generating railroad diagram with named subdiagrams.
+    """
+    for name, var in sys._getframe().f_back.f_locals.items():
+        if isinstance(var, ParserElement) and not var.customName:
+            var.set_name(name)
+
+
+dbl_quoted_string = Combine(
+    Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"'
+).set_name("string enclosed in double quotes")
+
+sgl_quoted_string = Combine(
+    Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'"
+).set_name("string enclosed in single quotes")
+
+quoted_string = Combine(
+    Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"'
+    | Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'"
+).set_name("quotedString using single or double quotes")
+
+unicode_string = Combine("u" + quoted_string.copy()).set_name("unicode string literal")
+
+
+alphas8bit = srange(r"[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]")
+punc8bit = srange(r"[\0xa1-\0xbf\0xd7\0xf7]")
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs: List[ParserElement] = [
+    v for v in vars().values() if isinstance(v, ParserElement)
+]
+
+# backward compatibility names
+tokenMap = token_map
+conditionAsParseAction = condition_as_parse_action
+nullDebugAction = null_debug_action
+sglQuotedString = sgl_quoted_string
+dblQuotedString = dbl_quoted_string
+quotedString = quoted_string
+unicodeString = unicode_string
+lineStart = line_start
+lineEnd = line_end
+stringStart = string_start
+stringEnd = string_end
+traceParseAction = trace_parse_action
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/diagram/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/diagram/__init__.py
new file mode 100644
index 00000000..89864475
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/diagram/__init__.py
@@ -0,0 +1,642 @@
+import railroad
+import pyparsing
+import typing
+from typing import (
+    List,
+    NamedTuple,
+    Generic,
+    TypeVar,
+    Dict,
+    Callable,
+    Set,
+    Iterable,
+)
+from jinja2 import Template
+from io import StringIO
+import inspect
+
+
+jinja2_template_source = """\
+<!DOCTYPE html>
+<html>
+<head>
+    {% if not head %}
+        <style type="text/css">
+            .railroad-heading {
+                font-family: monospace;
+            }
+        </style>
+    {% else %}
+        {{ head | safe }}
+    {% endif %}
+</head>
+<body>
+{{ body | safe }}
+{% for diagram in diagrams %}
+    <div class="railroad-group">
+        <h1 class="railroad-heading">{{ diagram.title }}</h1>
+        <div class="railroad-description">{{ diagram.text }}</div>
+        <div class="railroad-svg">
+            {{ diagram.svg }}
+        </div>
+    </div>
+{% endfor %}
+</body>
+</html>
+"""
+
+template = Template(jinja2_template_source)
+
+# Note: ideally this would be a dataclass, but we're supporting Python 3.5+ so we can't do this yet
+NamedDiagram = NamedTuple(
+    "NamedDiagram",
+    [("name", str), ("diagram", typing.Optional[railroad.DiagramItem]), ("index", int)],
+)
+"""
+A simple structure for associating a name with a railroad diagram
+"""
+
+T = TypeVar("T")
+
+
+class EachItem(railroad.Group):
+    """
+    Custom railroad item to compose a:
+    - Group containing a
+      - OneOrMore containing a
+        - Choice of the elements in the Each
+    with the group label indicating that all must be matched
+    """
+
+    all_label = "[ALL]"
+
+    def __init__(self, *items):
+        choice_item = railroad.Choice(len(items) - 1, *items)
+        one_or_more_item = railroad.OneOrMore(item=choice_item)
+        super().__init__(one_or_more_item, label=self.all_label)
+
+
+class AnnotatedItem(railroad.Group):
+    """
+    Simple subclass of Group that creates an annotation label
+    """
+
+    def __init__(self, label: str, item):
+        super().__init__(item=item, label="[{}]".format(label) if label else label)
+
+
+class EditablePartial(Generic[T]):
+    """
+    Acts like a functools.partial, but can be edited. In other words, it represents a type that hasn't yet been
+    constructed.
+    """
+
+    # We need this here because the railroad constructors actually transform the data, so can't be called until the
+    # entire tree is assembled
+
+    def __init__(self, func: Callable[..., T], args: list, kwargs: dict):
+        self.func = func
+        self.args = args
+        self.kwargs = kwargs
+
+    @classmethod
+    def from_call(cls, func: Callable[..., T], *args, **kwargs) -> "EditablePartial[T]":
+        """
+        If you call this function in the same way that you would call the constructor, it will store the arguments
+        as you expect. For example EditablePartial.from_call(Fraction, 1, 3)() == Fraction(1, 3)
+        """
+        return EditablePartial(func=func, args=list(args), kwargs=kwargs)
+
+    @property
+    def name(self):
+        return self.kwargs["name"]
+
+    def __call__(self) -> T:
+        """
+        Evaluate the partial and return the result
+        """
+        args = self.args.copy()
+        kwargs = self.kwargs.copy()
+
+        # This is a helpful hack to allow you to specify varargs parameters (e.g. *args) as keyword args (e.g.
+        # args=['list', 'of', 'things'])
+        arg_spec = inspect.getfullargspec(self.func)
+        if arg_spec.varargs in self.kwargs:
+            args += kwargs.pop(arg_spec.varargs)
+
+        return self.func(*args, **kwargs)
+
+
+def railroad_to_html(diagrams: List[NamedDiagram], **kwargs) -> str:
+    """
+    Given a list of NamedDiagram, produce a single HTML string that visualises those diagrams
+    :params kwargs: kwargs to be passed in to the template
+    """
+    data = []
+    for diagram in diagrams:
+        if diagram.diagram is None:
+            continue
+        io = StringIO()
+        diagram.diagram.writeSvg(io.write)
+        title = diagram.name
+        if diagram.index == 0:
+            title += " (root)"
+        data.append({"title": title, "text": "", "svg": io.getvalue()})
+
+    return template.render(diagrams=data, **kwargs)
+
+
+def resolve_partial(partial: "EditablePartial[T]") -> T:
+    """
+    Recursively resolves a collection of Partials into whatever type they are
+    """
+    if isinstance(partial, EditablePartial):
+        partial.args = resolve_partial(partial.args)
+        partial.kwargs = resolve_partial(partial.kwargs)
+        return partial()
+    elif isinstance(partial, list):
+        return [resolve_partial(x) for x in partial]
+    elif isinstance(partial, dict):
+        return {key: resolve_partial(x) for key, x in partial.items()}
+    else:
+        return partial
+
+
+def to_railroad(
+    element: pyparsing.ParserElement,
+    diagram_kwargs: typing.Optional[dict] = None,
+    vertical: int = 3,
+    show_results_names: bool = False,
+    show_groups: bool = False,
+) -> List[NamedDiagram]:
+    """
+    Convert a pyparsing element tree into a list of diagrams. This is the recommended entrypoint to diagram
+    creation if you want to access the Railroad tree before it is converted to HTML
+    :param element: base element of the parser being diagrammed
+    :param diagram_kwargs: kwargs to pass to the Diagram() constructor
+    :param vertical: (optional) - int - limit at which number of alternatives should be
+       shown vertically instead of horizontally
+    :param show_results_names - bool to indicate whether results name annotations should be
+       included in the diagram
+    :param show_groups - bool to indicate whether groups should be highlighted with an unlabeled
+       surrounding box
+    """
+    # Convert the whole tree underneath the root
+    lookup = ConverterState(diagram_kwargs=diagram_kwargs or {})
+    _to_diagram_element(
+        element,
+        lookup=lookup,
+        parent=None,
+        vertical=vertical,
+        show_results_names=show_results_names,
+        show_groups=show_groups,
+    )
+
+    root_id = id(element)
+    # Convert the root if it hasn't been already
+    if root_id in lookup:
+        if not element.customName:
+            lookup[root_id].name = ""
+        lookup[root_id].mark_for_extraction(root_id, lookup, force=True)
+
+    # Now that we're finished, we can convert from intermediate structures into Railroad elements
+    diags = list(lookup.diagrams.values())
+    if len(diags) > 1:
+        # collapse out duplicate diags with the same name
+        seen = set()
+        deduped_diags = []
+        for d in diags:
+            # don't extract SkipTo elements, they are uninformative as subdiagrams
+            if d.name == "...":
+                continue
+            if d.name is not None and d.name not in seen:
+                seen.add(d.name)
+                deduped_diags.append(d)
+        resolved = [resolve_partial(partial) for partial in deduped_diags]
+    else:
+        # special case - if just one diagram, always display it, even if
+        # it has no name
+        resolved = [resolve_partial(partial) for partial in diags]
+    return sorted(resolved, key=lambda diag: diag.index)
+
+
+def _should_vertical(
+    specification: int, exprs: Iterable[pyparsing.ParserElement]
+) -> bool:
+    """
+    Returns true if we should return a vertical list of elements
+    """
+    if specification is None:
+        return False
+    else:
+        return len(_visible_exprs(exprs)) >= specification
+
+
+class ElementState:
+    """
+    State recorded for an individual pyparsing Element
+    """
+
+    # Note: this should be a dataclass, but we have to support Python 3.5
+    def __init__(
+        self,
+        element: pyparsing.ParserElement,
+        converted: EditablePartial,
+        parent: EditablePartial,
+        number: int,
+        name: str = None,
+        parent_index: typing.Optional[int] = None,
+    ):
+        #: The pyparsing element that this represents
+        self.element: pyparsing.ParserElement = element
+        #: The name of the element
+        self.name: typing.Optional[str] = name
+        #: The output Railroad element in an unconverted state
+        self.converted: EditablePartial = converted
+        #: The parent Railroad element, which we store so that we can extract this if it's duplicated
+        self.parent: EditablePartial = parent
+        #: The order in which we found this element, used for sorting diagrams if this is extracted into a diagram
+        self.number: int = number
+        #: The index of this inside its parent
+        self.parent_index: typing.Optional[int] = parent_index
+        #: If true, we should extract this out into a subdiagram
+        self.extract: bool = False
+        #: If true, all of this element's children have been filled out
+        self.complete: bool = False
+
+    def mark_for_extraction(
+        self, el_id: int, state: "ConverterState", name: str = None, force: bool = False
+    ):
+        """
+        Called when this instance has been seen twice, and thus should eventually be extracted into a sub-diagram
+        :param el_id: id of the element
+        :param state: element/diagram state tracker
+        :param name: name to use for this element's text
+        :param force: If true, force extraction now, regardless of the state of this. Only useful for extracting the
+        root element when we know we're finished
+        """
+        self.extract = True
+
+        # Set the name
+        if not self.name:
+            if name:
+                # Allow forcing a custom name
+                self.name = name
+            elif self.element.customName:
+                self.name = self.element.customName
+            else:
+                self.name = ""
+
+        # Just because this is marked for extraction doesn't mean we can do it yet. We may have to wait for children
+        # to be added
+        # Also, if this is just a string literal etc, don't bother extracting it
+        if force or (self.complete and _worth_extracting(self.element)):
+            state.extract_into_diagram(el_id)
+
+
+class ConverterState:
+    """
+    Stores some state that persists between recursions into the element tree
+    """
+
+    def __init__(self, diagram_kwargs: typing.Optional[dict] = None):
+        #: A dictionary mapping ParserElements to state relating to them
+        self._element_diagram_states: Dict[int, ElementState] = {}
+        #: A dictionary mapping ParserElement IDs to subdiagrams generated from them
+        self.diagrams: Dict[int, EditablePartial[NamedDiagram]] = {}
+        #: The index of the next unnamed element
+        self.unnamed_index: int = 1
+        #: The index of the next element. This is used for sorting
+        self.index: int = 0
+        #: Shared kwargs that are used to customize the construction of diagrams
+        self.diagram_kwargs: dict = diagram_kwargs or {}
+        self.extracted_diagram_names: Set[str] = set()
+
+    def __setitem__(self, key: int, value: ElementState):
+        self._element_diagram_states[key] = value
+
+    def __getitem__(self, key: int) -> ElementState:
+        return self._element_diagram_states[key]
+
+    def __delitem__(self, key: int):
+        del self._element_diagram_states[key]
+
+    def __contains__(self, key: int):
+        return key in self._element_diagram_states
+
+    def generate_unnamed(self) -> int:
+        """
+        Generate a number used in the name of an otherwise unnamed diagram
+        """
+        self.unnamed_index += 1
+        return self.unnamed_index
+
+    def generate_index(self) -> int:
+        """
+        Generate a number used to index a diagram
+        """
+        self.index += 1
+        return self.index
+
+    def extract_into_diagram(self, el_id: int):
+        """
+        Used when we encounter the same token twice in the same tree. When this
+        happens, we replace all instances of that token with a terminal, and
+        create a new subdiagram for the token
+        """
+        position = self[el_id]
+
+        # Replace the original definition of this element with a regular block
+        if position.parent:
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=position.name)
+            if "item" in position.parent.kwargs:
+                position.parent.kwargs["item"] = ret
+            elif "items" in position.parent.kwargs:
+                position.parent.kwargs["items"][position.parent_index] = ret
+
+        # If the element we're extracting is a group, skip to its content but keep the title
+        if position.converted.func == railroad.Group:
+            content = position.converted.kwargs["item"]
+        else:
+            content = position.converted
+
+        self.diagrams[el_id] = EditablePartial.from_call(
+            NamedDiagram,
+            name=position.name,
+            diagram=EditablePartial.from_call(
+                railroad.Diagram, content, **self.diagram_kwargs
+            ),
+            index=position.number,
+        )
+
+        del self[el_id]
+
+
+def _worth_extracting(element: pyparsing.ParserElement) -> bool:
+    """
+    Returns true if this element is worth having its own sub-diagram. Simply, if any of its children
+    themselves have children, then its complex enough to extract
+    """
+    children = element.recurse()
+    return any(child.recurse() for child in children)
+
+
+def _apply_diagram_item_enhancements(fn):
+    """
+    decorator to ensure enhancements to a diagram item (such as results name annotations)
+    get applied on return from _to_diagram_element (we do this since there are several
+    returns in _to_diagram_element)
+    """
+
+    def _inner(
+        element: pyparsing.ParserElement,
+        parent: typing.Optional[EditablePartial],
+        lookup: ConverterState = None,
+        vertical: int = None,
+        index: int = 0,
+        name_hint: str = None,
+        show_results_names: bool = False,
+        show_groups: bool = False,
+    ) -> typing.Optional[EditablePartial]:
+
+        ret = fn(
+            element,
+            parent,
+            lookup,
+            vertical,
+            index,
+            name_hint,
+            show_results_names,
+            show_groups,
+        )
+
+        # apply annotation for results name, if present
+        if show_results_names and ret is not None:
+            element_results_name = element.resultsName
+            if element_results_name:
+                # add "*" to indicate if this is a "list all results" name
+                element_results_name += "" if element.modalResults else "*"
+                ret = EditablePartial.from_call(
+                    railroad.Group, item=ret, label=element_results_name
+                )
+
+        return ret
+
+    return _inner
+
+
+def _visible_exprs(exprs: Iterable[pyparsing.ParserElement]):
+    non_diagramming_exprs = (
+        pyparsing.ParseElementEnhance,
+        pyparsing.PositionToken,
+        pyparsing.And._ErrorStop,
+    )
+    return [
+        e
+        for e in exprs
+        if not (e.customName or e.resultsName or isinstance(e, non_diagramming_exprs))
+    ]
+
+
+@_apply_diagram_item_enhancements
+def _to_diagram_element(
+    element: pyparsing.ParserElement,
+    parent: typing.Optional[EditablePartial],
+    lookup: ConverterState = None,
+    vertical: int = None,
+    index: int = 0,
+    name_hint: str = None,
+    show_results_names: bool = False,
+    show_groups: bool = False,
+) -> typing.Optional[EditablePartial]:
+    """
+    Recursively converts a PyParsing Element to a railroad Element
+    :param lookup: The shared converter state that keeps track of useful things
+    :param index: The index of this element within the parent
+    :param parent: The parent of this element in the output tree
+    :param vertical: Controls at what point we make a list of elements vertical. If this is an integer (the default),
+    it sets the threshold of the number of items before we go vertical. If True, always go vertical, if False, never
+    do so
+    :param name_hint: If provided, this will override the generated name
+    :param show_results_names: bool flag indicating whether to add annotations for results names
+    :returns: The converted version of the input element, but as a Partial that hasn't yet been constructed
+    :param show_groups: bool flag indicating whether to show groups using bounding box
+    """
+    exprs = element.recurse()
+    name = name_hint or element.customName or element.__class__.__name__
+
+    # Python's id() is used to provide a unique identifier for elements
+    el_id = id(element)
+
+    element_results_name = element.resultsName
+
+    # Here we basically bypass processing certain wrapper elements if they contribute nothing to the diagram
+    if not element.customName:
+        if isinstance(
+            element,
+            (
+                # pyparsing.TokenConverter,
+                # pyparsing.Forward,
+                pyparsing.Located,
+            ),
+        ):
+            # However, if this element has a useful custom name, and its child does not, we can pass it on to the child
+            if exprs:
+                if not exprs[0].customName:
+                    propagated_name = name
+                else:
+                    propagated_name = None
+
+                return _to_diagram_element(
+                    element.expr,
+                    parent=parent,
+                    lookup=lookup,
+                    vertical=vertical,
+                    index=index,
+                    name_hint=propagated_name,
+                    show_results_names=show_results_names,
+                    show_groups=show_groups,
+                )
+
+    # If the element isn't worth extracting, we always treat it as the first time we say it
+    if _worth_extracting(element):
+        if el_id in lookup:
+            # If we've seen this element exactly once before, we are only just now finding out that it's a duplicate,
+            # so we have to extract it into a new diagram.
+            looked_up = lookup[el_id]
+            looked_up.mark_for_extraction(el_id, lookup, name=name_hint)
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=looked_up.name)
+            return ret
+
+        elif el_id in lookup.diagrams:
+            # If we have seen the element at least twice before, and have already extracted it into a subdiagram, we
+            # just put in a marker element that refers to the sub-diagram
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+            return ret
+
+    # Recursively convert child elements
+    # Here we find the most relevant Railroad element for matching pyparsing Element
+    # We use ``items=[]`` here to hold the place for where the child elements will go once created
+    if isinstance(element, pyparsing.And):
+        # detect And's created with ``expr*N`` notation - for these use a OneOrMore with a repeat
+        # (all will have the same name, and resultsName)
+        if not exprs:
+            return None
+        if len(set((e.name, e.resultsName) for e in exprs)) == 1:
+            ret = EditablePartial.from_call(
+                railroad.OneOrMore, item="", repeat=str(len(exprs))
+            )
+        elif _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Stack, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif isinstance(element, (pyparsing.Or, pyparsing.MatchFirst)):
+        if not exprs:
+            return None
+        if _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Choice, 0, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.HorizontalChoice, items=[])
+    elif isinstance(element, pyparsing.Each):
+        if not exprs:
+            return None
+        ret = EditablePartial.from_call(EachItem, items=[])
+    elif isinstance(element, pyparsing.NotAny):
+        ret = EditablePartial.from_call(AnnotatedItem, label="NOT", item="")
+    elif isinstance(element, pyparsing.FollowedBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKAHEAD", item="")
+    elif isinstance(element, pyparsing.PrecededBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKBEHIND", item="")
+    elif isinstance(element, pyparsing.Group):
+        if show_groups:
+            ret = EditablePartial.from_call(AnnotatedItem, label="", item="")
+        else:
+            ret = EditablePartial.from_call(railroad.Group, label="", item="")
+    elif isinstance(element, pyparsing.TokenConverter):
+        ret = EditablePartial.from_call(
+            AnnotatedItem, label=type(element).__name__.lower(), item=""
+        )
+    elif isinstance(element, pyparsing.Opt):
+        ret = EditablePartial.from_call(railroad.Optional, item="")
+    elif isinstance(element, pyparsing.OneOrMore):
+        ret = EditablePartial.from_call(railroad.OneOrMore, item="")
+    elif isinstance(element, pyparsing.ZeroOrMore):
+        ret = EditablePartial.from_call(railroad.ZeroOrMore, item="")
+    elif isinstance(element, pyparsing.Group):
+        ret = EditablePartial.from_call(
+            railroad.Group, item=None, label=element_results_name
+        )
+    elif isinstance(element, pyparsing.Empty) and not element.customName:
+        # Skip unnamed "Empty" elements
+        ret = None
+    elif len(exprs) > 1:
+        ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif len(exprs) > 0 and not element_results_name:
+        ret = EditablePartial.from_call(railroad.Group, item="", label=name)
+    else:
+        terminal = EditablePartial.from_call(railroad.Terminal, element.defaultName)
+        ret = terminal
+
+    if ret is None:
+        return
+
+    # Indicate this element's position in the tree so we can extract it if necessary
+    lookup[el_id] = ElementState(
+        element=element,
+        converted=ret,
+        parent=parent,
+        parent_index=index,
+        number=lookup.generate_index(),
+    )
+    if element.customName:
+        lookup[el_id].mark_for_extraction(el_id, lookup, element.customName)
+
+    i = 0
+    for expr in exprs:
+        # Add a placeholder index in case we have to extract the child before we even add it to the parent
+        if "items" in ret.kwargs:
+            ret.kwargs["items"].insert(i, None)
+
+        item = _to_diagram_element(
+            expr,
+            parent=ret,
+            lookup=lookup,
+            vertical=vertical,
+            index=i,
+            show_results_names=show_results_names,
+            show_groups=show_groups,
+        )
+
+        # Some elements don't need to be shown in the diagram
+        if item is not None:
+            if "item" in ret.kwargs:
+                ret.kwargs["item"] = item
+            elif "items" in ret.kwargs:
+                # If we've already extracted the child, don't touch this index, since it's occupied by a nonterminal
+                ret.kwargs["items"][i] = item
+                i += 1
+        elif "items" in ret.kwargs:
+            # If we're supposed to skip this element, remove it from the parent
+            del ret.kwargs["items"][i]
+
+    # If all this items children are none, skip this item
+    if ret and (
+        ("items" in ret.kwargs and len(ret.kwargs["items"]) == 0)
+        or ("item" in ret.kwargs and ret.kwargs["item"] is None)
+    ):
+        ret = EditablePartial.from_call(railroad.Terminal, name)
+
+    # Mark this element as "complete", ie it has all of its children
+    if el_id in lookup:
+        lookup[el_id].complete = True
+
+    if el_id in lookup and lookup[el_id].extract and lookup[el_id].complete:
+        lookup.extract_into_diagram(el_id)
+        if ret is not None:
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+
+    return ret
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..5c1f1ebc
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/exceptions.py
new file mode 100644
index 00000000..a38447bb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/exceptions.py
@@ -0,0 +1,267 @@
+# exceptions.py
+
+import re
+import sys
+import typing
+
+from .util import col, line, lineno, _collapse_string_to_ranges
+from .unicode import pyparsing_unicode as ppu
+
+
+class ExceptionWordUnicode(ppu.Latin1, ppu.LatinA, ppu.LatinB, ppu.Greek, ppu.Cyrillic):
+    pass
+
+
+_extract_alphanums = _collapse_string_to_ranges(ExceptionWordUnicode.alphanums)
+_exception_word_extractor = re.compile("([" + _extract_alphanums + "]{1,16})|.")
+
+
+class ParseBaseException(Exception):
+    """base exception class for all parsing runtime exceptions"""
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self,
+        pstr: str,
+        loc: int = 0,
+        msg: typing.Optional[str] = None,
+        elem=None,
+    ):
+        self.loc = loc
+        if msg is None:
+            self.msg = pstr
+            self.pstr = ""
+        else:
+            self.msg = msg
+            self.pstr = pstr
+        self.parser_element = self.parserElement = elem
+        self.args = (pstr, loc, msg)
+
+    @staticmethod
+    def explain_exception(exc, depth=16):
+        """
+        Method to take an exception and translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - exc - exception raised during parsing (need not be a ParseException, in support
+          of Python exceptions that might be raised in a parse action)
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+        """
+        import inspect
+        from .core import ParserElement
+
+        if depth is None:
+            depth = sys.getrecursionlimit()
+        ret = []
+        if isinstance(exc, ParseBaseException):
+            ret.append(exc.line)
+            ret.append(" " * (exc.column - 1) + "^")
+        ret.append("{}: {}".format(type(exc).__name__, exc))
+
+        if depth > 0:
+            callers = inspect.getinnerframes(exc.__traceback__, context=depth)
+            seen = set()
+            for i, ff in enumerate(callers[-depth:]):
+                frm = ff[0]
+
+                f_self = frm.f_locals.get("self", None)
+                if isinstance(f_self, ParserElement):
+                    if frm.f_code.co_name not in ("parseImpl", "_parseNoCache"):
+                        continue
+                    if id(f_self) in seen:
+                        continue
+                    seen.add(id(f_self))
+
+                    self_type = type(f_self)
+                    ret.append(
+                        "{}.{} - {}".format(
+                            self_type.__module__, self_type.__name__, f_self
+                        )
+                    )
+
+                elif f_self is not None:
+                    self_type = type(f_self)
+                    ret.append("{}.{}".format(self_type.__module__, self_type.__name__))
+
+                else:
+                    code = frm.f_code
+                    if code.co_name in ("wrapper", "<module>"):
+                        continue
+
+                    ret.append("{}".format(code.co_name))
+
+                depth -= 1
+                if not depth:
+                    break
+
+        return "\n".join(ret)
+
+    @classmethod
+    def _from_exception(cls, pe):
+        """
+        internal factory method to simplify creating one type of ParseException
+        from another - avoids having __init__ signature conflicts among subclasses
+        """
+        return cls(pe.pstr, pe.loc, pe.msg, pe.parserElement)
+
+    @property
+    def line(self) -> str:
+        """
+        Return the line of text where the exception occurred.
+        """
+        return line(self.loc, self.pstr)
+
+    @property
+    def lineno(self) -> int:
+        """
+        Return the 1-based line number of text where the exception occurred.
+        """
+        return lineno(self.loc, self.pstr)
+
+    @property
+    def col(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    @property
+    def column(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    def __str__(self) -> str:
+        if self.pstr:
+            if self.loc >= len(self.pstr):
+                foundstr = ", found end of text"
+            else:
+                # pull out next word at error location
+                found_match = _exception_word_extractor.match(self.pstr, self.loc)
+                if found_match is not None:
+                    found = found_match.group(0)
+                else:
+                    found = self.pstr[self.loc : self.loc + 1]
+                foundstr = (", found %r" % found).replace(r"\\", "\\")
+        else:
+            foundstr = ""
+        return "{}{}  (at char {}), (line:{}, col:{})".format(
+            self.msg, foundstr, self.loc, self.lineno, self.column
+        )
+
+    def __repr__(self):
+        return str(self)
+
+    def mark_input_line(self, marker_string: str = None, *, markerString=">!<") -> str:
+        """
+        Extracts the exception line from the input string, and marks
+        the location of the exception with a special symbol.
+        """
+        markerString = marker_string if marker_string is not None else markerString
+        line_str = self.line
+        line_column = self.column - 1
+        if markerString:
+            line_str = "".join(
+                (line_str[:line_column], markerString, line_str[line_column:])
+            )
+        return line_str.strip()
+
+    def explain(self, depth=16) -> str:
+        """
+        Method to translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+
+        Example::
+
+            expr = pp.Word(pp.nums) * 3
+            try:
+                expr.parse_string("123 456 A789")
+            except pp.ParseException as pe:
+                print(pe.explain(depth=0))
+
+        prints::
+
+            123 456 A789
+                    ^
+            ParseException: Expected W:(0-9), found 'A'  (at char 8), (line:1, col:9)
+
+        Note: the diagnostic output will include string representations of the expressions
+        that failed to parse. These representations will be more helpful if you use `set_name` to
+        give identifiable names to your expressions. Otherwise they will use the default string
+        forms, which may be cryptic to read.
+
+        Note: pyparsing's default truncation of exception tracebacks may also truncate the
+        stack of expressions that are displayed in the ``explain`` output. To get the full listing
+        of parser expressions, you may have to set ``ParserElement.verbose_stacktrace = True``
+        """
+        return self.explain_exception(self, depth)
+
+    markInputline = mark_input_line
+
+
+class ParseException(ParseBaseException):
+    """
+    Exception thrown when a parse expression doesn't match the input string
+
+    Example::
+
+        try:
+            Word(nums).set_name("integer").parse_string("ABC")
+        except ParseException as pe:
+            print(pe)
+            print("column: {}".format(pe.column))
+
+    prints::
+
+       Expected integer (at char 0), (line:1, col:1)
+        column: 1
+
+    """
+
+
+class ParseFatalException(ParseBaseException):
+    """
+    User-throwable exception thrown when inconsistent parse content
+    is found; stops all parsing immediately
+    """
+
+
+class ParseSyntaxException(ParseFatalException):
+    """
+    Just like :class:`ParseFatalException`, but thrown internally
+    when an :class:`ErrorStop<And._ErrorStop>` ('-' operator) indicates
+    that parsing is to stop immediately because an unbacktrackable
+    syntax error has been found.
+    """
+
+
+class RecursiveGrammarException(Exception):
+    """
+    Exception thrown by :class:`ParserElement.validate` if the
+    grammar could be left-recursive; parser may need to enable
+    left recursion using :class:`ParserElement.enable_left_recursion<ParserElement.enable_left_recursion>`
+    """
+
+    def __init__(self, parseElementList):
+        self.parseElementTrace = parseElementList
+
+    def __str__(self) -> str:
+        return "RecursiveGrammarException: {}".format(self.parseElementTrace)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/helpers.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/helpers.py
new file mode 100644
index 00000000..9588b3b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/helpers.py
@@ -0,0 +1,1088 @@
+# helpers.py
+import html.entities
+import re
+import typing
+
+from . import __diag__
+from .core import *
+from .util import _bslash, _flatten, _escape_regex_range_chars
+
+
+#
+# global helpers
+#
+def delimited_list(
+    expr: Union[str, ParserElement],
+    delim: Union[str, ParserElement] = ",",
+    combine: bool = False,
+    min: typing.Optional[int] = None,
+    max: typing.Optional[int] = None,
+    *,
+    allow_trailing_delim: bool = False,
+) -> ParserElement:
+    """Helper to define a delimited list of expressions - the delimiter
+    defaults to ','. By default, the list elements and delimiters can
+    have intervening whitespace, and comments, but this can be
+    overridden by passing ``combine=True`` in the constructor. If
+    ``combine`` is set to ``True``, the matching tokens are
+    returned as a single token string, with the delimiters included;
+    otherwise, the matching tokens are returned as a list of tokens,
+    with the delimiters suppressed.
+
+    If ``allow_trailing_delim`` is set to True, then the list may end with
+    a delimiter.
+
+    Example::
+
+        delimited_list(Word(alphas)).parse_string("aa,bb,cc") # -> ['aa', 'bb', 'cc']
+        delimited_list(Word(hexnums), delim=':', combine=True).parse_string("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE']
+    """
+    if isinstance(expr, str_type):
+        expr = ParserElement._literalStringClass(expr)
+
+    dlName = "{expr} [{delim} {expr}]...{end}".format(
+        expr=str(expr.copy().streamline()),
+        delim=str(delim),
+        end=" [{}]".format(str(delim)) if allow_trailing_delim else "",
+    )
+
+    if not combine:
+        delim = Suppress(delim)
+
+    if min is not None:
+        if min < 1:
+            raise ValueError("min must be greater than 0")
+        min -= 1
+    if max is not None:
+        if min is not None and max <= min:
+            raise ValueError("max must be greater than, or equal to min")
+        max -= 1
+    delimited_list_expr = expr + (delim + expr)[min, max]
+
+    if allow_trailing_delim:
+        delimited_list_expr += Opt(delim)
+
+    if combine:
+        return Combine(delimited_list_expr).set_name(dlName)
+    else:
+        return delimited_list_expr.set_name(dlName)
+
+
+def counted_array(
+    expr: ParserElement,
+    int_expr: typing.Optional[ParserElement] = None,
+    *,
+    intExpr: typing.Optional[ParserElement] = None,
+) -> ParserElement:
+    """Helper to define a counted list of expressions.
+
+    This helper defines a pattern of the form::
+
+        integer expr expr expr...
+
+    where the leading integer tells how many expr expressions follow.
+    The matched tokens returns the array of expr tokens as a list - the
+    leading count token is suppressed.
+
+    If ``int_expr`` is specified, it should be a pyparsing expression
+    that produces an integer value.
+
+    Example::
+
+        counted_array(Word(alphas)).parse_string('2 ab cd ef')  # -> ['ab', 'cd']
+
+        # in this parser, the leading integer value is given in binary,
+        # '10' indicating that 2 values are in the array
+        binary_constant = Word('01').set_parse_action(lambda t: int(t[0], 2))
+        counted_array(Word(alphas), int_expr=binary_constant).parse_string('10 ab cd ef')  # -> ['ab', 'cd']
+
+        # if other fields must be parsed after the count but before the
+        # list items, give the fields results names and they will
+        # be preserved in the returned ParseResults:
+        count_with_metadata = integer + Word(alphas)("type")
+        typed_array = counted_array(Word(alphanums), int_expr=count_with_metadata)("items")
+        result = typed_array.parse_string("3 bool True True False")
+        print(result.dump())
+
+        # prints
+        # ['True', 'True', 'False']
+        # - items: ['True', 'True', 'False']
+        # - type: 'bool'
+    """
+    intExpr = intExpr or int_expr
+    array_expr = Forward()
+
+    def count_field_parse_action(s, l, t):
+        nonlocal array_expr
+        n = t[0]
+        array_expr <<= (expr * n) if n else Empty()
+        # clear list contents, but keep any named results
+        del t[:]
+
+    if intExpr is None:
+        intExpr = Word(nums).set_parse_action(lambda t: int(t[0]))
+    else:
+        intExpr = intExpr.copy()
+    intExpr.set_name("arrayLen")
+    intExpr.add_parse_action(count_field_parse_action, call_during_try=True)
+    return (intExpr + array_expr).set_name("(len) " + str(expr) + "...")
+
+
+def match_previous_literal(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_literal(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches a previous literal, will also match the leading
+    ``"1:1"`` in ``"1:10"``. If this is not desired, use
+    :class:`match_previous_expr`. Do *not* use with packrat parsing
+    enabled.
+    """
+    rep = Forward()
+
+    def copy_token_to_repeater(s, l, t):
+        if t:
+            if len(t) == 1:
+                rep << t[0]
+            else:
+                # flatten t tokens
+                tflat = _flatten(t.as_list())
+                rep << And(Literal(tt) for tt in tflat)
+        else:
+            rep << Empty()
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def match_previous_expr(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_expr(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches by expressions, will *not* match the leading ``"1:1"``
+    in ``"1:10"``; the expressions are evaluated first, and then
+    compared, so ``"1"`` is compared with ``"10"``. Do *not* use
+    with packrat parsing enabled.
+    """
+    rep = Forward()
+    e2 = expr.copy()
+    rep <<= e2
+
+    def copy_token_to_repeater(s, l, t):
+        matchTokens = _flatten(t.as_list())
+
+        def must_match_these_tokens(s, l, t):
+            theseTokens = _flatten(t.as_list())
+            if theseTokens != matchTokens:
+                raise ParseException(
+                    s, l, "Expected {}, found{}".format(matchTokens, theseTokens)
+                )
+
+        rep.set_parse_action(must_match_these_tokens, callDuringTry=True)
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def one_of(
+    strs: Union[typing.Iterable[str], str],
+    caseless: bool = False,
+    use_regex: bool = True,
+    as_keyword: bool = False,
+    *,
+    useRegex: bool = True,
+    asKeyword: bool = False,
+) -> ParserElement:
+    """Helper to quickly define a set of alternative :class:`Literal` s,
+    and makes sure to do longest-first testing when there is a conflict,
+    regardless of the input order, but returns
+    a :class:`MatchFirst` for best performance.
+
+    Parameters:
+
+    - ``strs`` - a string of space-delimited literals, or a collection of
+      string literals
+    - ``caseless`` - treat all literals as caseless - (default= ``False``)
+    - ``use_regex`` - as an optimization, will
+      generate a :class:`Regex` object; otherwise, will generate
+      a :class:`MatchFirst` object (if ``caseless=True`` or ``asKeyword=True``, or if
+      creating a :class:`Regex` raises an exception) - (default= ``True``)
+    - ``as_keyword`` - enforce :class:`Keyword`-style matching on the
+      generated expressions - (default= ``False``)
+    - ``asKeyword`` and ``useRegex`` are retained for pre-PEP8 compatibility,
+      but will be removed in a future release
+
+    Example::
+
+        comp_oper = one_of("< = > <= >= !=")
+        var = Word(alphas)
+        number = Word(nums)
+        term = var | number
+        comparison_expr = term + comp_oper + term
+        print(comparison_expr.search_string("B = 12  AA=23 B<=AA AA>12"))
+
+    prints::
+
+        [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']]
+    """
+    asKeyword = asKeyword or as_keyword
+    useRegex = useRegex and use_regex
+
+    if (
+        isinstance(caseless, str_type)
+        and __diag__.warn_on_multiple_string_args_to_oneof
+    ):
+        warnings.warn(
+            "More than one string argument passed to one_of, pass"
+            " choices as a list or space-delimited string",
+            stacklevel=2,
+        )
+
+    if caseless:
+        isequal = lambda a, b: a.upper() == b.upper()
+        masks = lambda a, b: b.upper().startswith(a.upper())
+        parseElementClass = CaselessKeyword if asKeyword else CaselessLiteral
+    else:
+        isequal = lambda a, b: a == b
+        masks = lambda a, b: b.startswith(a)
+        parseElementClass = Keyword if asKeyword else Literal
+
+    symbols: List[str] = []
+    if isinstance(strs, str_type):
+        symbols = strs.split()
+    elif isinstance(strs, Iterable):
+        symbols = list(strs)
+    else:
+        raise TypeError("Invalid argument to one_of, expected string or iterable")
+    if not symbols:
+        return NoMatch()
+
+    # reorder given symbols to take care to avoid masking longer choices with shorter ones
+    # (but only if the given symbols are not just single characters)
+    if any(len(sym) > 1 for sym in symbols):
+        i = 0
+        while i < len(symbols) - 1:
+            cur = symbols[i]
+            for j, other in enumerate(symbols[i + 1 :]):
+                if isequal(other, cur):
+                    del symbols[i + j + 1]
+                    break
+                elif masks(cur, other):
+                    del symbols[i + j + 1]
+                    symbols.insert(i, other)
+                    break
+            else:
+                i += 1
+
+    if useRegex:
+        re_flags: int = re.IGNORECASE if caseless else 0
+
+        try:
+            if all(len(sym) == 1 for sym in symbols):
+                # symbols are just single characters, create range regex pattern
+                patt = "[{}]".format(
+                    "".join(_escape_regex_range_chars(sym) for sym in symbols)
+                )
+            else:
+                patt = "|".join(re.escape(sym) for sym in symbols)
+
+            # wrap with \b word break markers if defining as keywords
+            if asKeyword:
+                patt = r"\b(?:{})\b".format(patt)
+
+            ret = Regex(patt, flags=re_flags).set_name(" | ".join(symbols))
+
+            if caseless:
+                # add parse action to return symbols as specified, not in random
+                # casing as found in input string
+                symbol_map = {sym.lower(): sym for sym in symbols}
+                ret.add_parse_action(lambda s, l, t: symbol_map[t[0].lower()])
+
+            return ret
+
+        except re.error:
+            warnings.warn(
+                "Exception creating Regex for one_of, building MatchFirst", stacklevel=2
+            )
+
+    # last resort, just use MatchFirst
+    return MatchFirst(parseElementClass(sym) for sym in symbols).set_name(
+        " | ".join(symbols)
+    )
+
+
+def dict_of(key: ParserElement, value: ParserElement) -> ParserElement:
+    """Helper to easily and clearly define a dictionary by specifying
+    the respective patterns for the key and value.  Takes care of
+    defining the :class:`Dict`, :class:`ZeroOrMore`, and
+    :class:`Group` tokens in the proper order.  The key pattern
+    can include delimiting markers or punctuation, as long as they are
+    suppressed, thereby leaving the significant key text.  The value
+    pattern can include named results, so that the :class:`Dict` results
+    can include named token fields.
+
+    Example::
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        print(attr_expr[1, ...].parse_string(text).dump())
+
+        attr_label = label
+        attr_value = Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join)
+
+        # similar to Dict, but simpler call format
+        result = dict_of(attr_label, attr_value).parse_string(text)
+        print(result.dump())
+        print(result['shape'])
+        print(result.shape)  # object attribute access works too
+        print(result.as_dict())
+
+    prints::
+
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: 'light blue'
+        - posn: 'upper left'
+        - shape: 'SQUARE'
+        - texture: 'burlap'
+        SQUARE
+        SQUARE
+        {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'}
+    """
+    return Dict(OneOrMore(Group(key + value)))
+
+
+def original_text_for(
+    expr: ParserElement, as_string: bool = True, *, asString: bool = True
+) -> ParserElement:
+    """Helper to return the original, untokenized text for a given
+    expression.  Useful to restore the parsed fields of an HTML start
+    tag into the raw tag text itself, or to revert separate tokens with
+    intervening whitespace back to the original matching input text. By
+    default, returns astring containing the original parsed text.
+
+    If the optional ``as_string`` argument is passed as
+    ``False``, then the return value is
+    a :class:`ParseResults` containing any results names that
+    were originally matched, and a single token containing the original
+    matched text from the input string.  So if the expression passed to
+    :class:`original_text_for` contains expressions with defined
+    results names, you must set ``as_string`` to ``False`` if you
+    want to preserve those results name values.
+
+    The ``asString`` pre-PEP8 argument is retained for compatibility,
+    but will be removed in a future release.
+
+    Example::
+
+        src = "this is test <b> bold <i>text</i> </b> normal text "
+        for tag in ("b", "i"):
+            opener, closer = make_html_tags(tag)
+            patt = original_text_for(opener + SkipTo(closer) + closer)
+            print(patt.search_string(src)[0])
+
+    prints::
+
+        ['<b> bold <i>text</i> </b>']
+        ['<i>text</i>']
+    """
+    asString = asString and as_string
+
+    locMarker = Empty().set_parse_action(lambda s, loc, t: loc)
+    endlocMarker = locMarker.copy()
+    endlocMarker.callPreparse = False
+    matchExpr = locMarker("_original_start") + expr + endlocMarker("_original_end")
+    if asString:
+        extractText = lambda s, l, t: s[t._original_start : t._original_end]
+    else:
+
+        def extractText(s, l, t):
+            t[:] = [s[t.pop("_original_start") : t.pop("_original_end")]]
+
+    matchExpr.set_parse_action(extractText)
+    matchExpr.ignoreExprs = expr.ignoreExprs
+    matchExpr.suppress_warning(Diagnostics.warn_ungrouped_named_tokens_in_collection)
+    return matchExpr
+
+
+def ungroup(expr: ParserElement) -> ParserElement:
+    """Helper to undo pyparsing's default grouping of And expressions,
+    even if all but one are non-empty.
+    """
+    return TokenConverter(expr).add_parse_action(lambda t: t[0])
+
+
+def locatedExpr(expr: ParserElement) -> ParserElement:
+    """
+    (DEPRECATED - future code should use the Located class)
+    Helper to decorate a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parseWithTabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in locatedExpr(wd).searchString("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [[0, 'ljsdf', 5]]
+        [[8, 'lksdjjf', 15]]
+        [[18, 'lkkjj', 23]]
+    """
+    locator = Empty().set_parse_action(lambda ss, ll, tt: ll)
+    return Group(
+        locator("locn_start")
+        + expr("value")
+        + locator.copy().leaveWhitespace()("locn_end")
+    )
+
+
+def nested_expr(
+    opener: Union[str, ParserElement] = "(",
+    closer: Union[str, ParserElement] = ")",
+    content: typing.Optional[ParserElement] = None,
+    ignore_expr: ParserElement = quoted_string(),
+    *,
+    ignoreExpr: ParserElement = quoted_string(),
+) -> ParserElement:
+    """Helper method for defining nested lists enclosed in opening and
+    closing delimiters (``"("`` and ``")"`` are the default).
+
+    Parameters:
+    - ``opener`` - opening character for a nested list
+      (default= ``"("``); can also be a pyparsing expression
+    - ``closer`` - closing character for a nested list
+      (default= ``")"``); can also be a pyparsing expression
+    - ``content`` - expression for items within the nested lists
+      (default= ``None``)
+    - ``ignore_expr`` - expression for ignoring opening and closing delimiters
+      (default= :class:`quoted_string`)
+    - ``ignoreExpr`` - this pre-PEP8 argument is retained for compatibility
+      but will be removed in a future release
+
+    If an expression is not provided for the content argument, the
+    nested expression will capture all whitespace-delimited content
+    between delimiters as a list of separate values.
+
+    Use the ``ignore_expr`` argument to define expressions that may
+    contain opening or closing characters that should not be treated as
+    opening or closing characters for nesting, such as quoted_string or
+    a comment expression.  Specify multiple expressions using an
+    :class:`Or` or :class:`MatchFirst`. The default is
+    :class:`quoted_string`, but if no expressions are to be ignored, then
+    pass ``None`` for this argument.
+
+    Example::
+
+        data_type = one_of("void int short long char float double")
+        decl_data_type = Combine(data_type + Opt(Word('*')))
+        ident = Word(alphas+'_', alphanums+'_')
+        number = pyparsing_common.number
+        arg = Group(decl_data_type + ident)
+        LPAR, RPAR = map(Suppress, "()")
+
+        code_body = nested_expr('{', '}', ignore_expr=(quoted_string | c_style_comment))
+
+        c_function = (decl_data_type("type")
+                      + ident("name")
+                      + LPAR + Opt(delimited_list(arg), [])("args") + RPAR
+                      + code_body("body"))
+        c_function.ignore(c_style_comment)
+
+        source_code = '''
+            int is_odd(int x) {
+                return (x%2);
+            }
+
+            int dec_to_hex(char hchar) {
+                if (hchar >= '0' && hchar <= '9') {
+                    return (ord(hchar)-ord('0'));
+                } else {
+                    return (10+ord(hchar)-ord('A'));
+                }
+            }
+        '''
+        for func in c_function.search_string(source_code):
+            print("%(name)s (%(type)s) args: %(args)s" % func)
+
+
+    prints::
+
+        is_odd (int) args: [['int', 'x']]
+        dec_to_hex (int) args: [['char', 'hchar']]
+    """
+    if ignoreExpr != ignore_expr:
+        ignoreExpr = ignore_expr if ignoreExpr == quoted_string() else ignoreExpr
+    if opener == closer:
+        raise ValueError("opening and closing strings cannot be the same")
+    if content is None:
+        if isinstance(opener, str_type) and isinstance(closer, str_type):
+            if len(opener) == 1 and len(closer) == 1:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + CharsNotIn(
+                                opener + closer + ParserElement.DEFAULT_WHITE_CHARS,
+                                exact=1,
+                            )
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = empty.copy() + CharsNotIn(
+                        opener + closer + ParserElement.DEFAULT_WHITE_CHARS
+                    ).set_parse_action(lambda t: t[0].strip())
+            else:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = Combine(
+                        OneOrMore(
+                            ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+        else:
+            raise ValueError(
+                "opening and closing arguments must be strings if no content expression is given"
+            )
+    ret = Forward()
+    if ignoreExpr is not None:
+        ret <<= Group(
+            Suppress(opener) + ZeroOrMore(ignoreExpr | ret | content) + Suppress(closer)
+        )
+    else:
+        ret <<= Group(Suppress(opener) + ZeroOrMore(ret | content) + Suppress(closer))
+    ret.set_name("nested %s%s expression" % (opener, closer))
+    return ret
+
+
+def _makeTags(tagStr, xml, suppress_LT=Suppress("<"), suppress_GT=Suppress(">")):
+    """Internal helper to construct opening and closing tag expressions, given a tag name"""
+    if isinstance(tagStr, str_type):
+        resname = tagStr
+        tagStr = Keyword(tagStr, caseless=not xml)
+    else:
+        resname = tagStr.name
+
+    tagAttrName = Word(alphas, alphanums + "_-:")
+    if xml:
+        tagAttrValue = dbl_quoted_string.copy().set_parse_action(remove_quotes)
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(ZeroOrMore(Group(tagAttrName + Suppress("=") + tagAttrValue)))
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    else:
+        tagAttrValue = quoted_string.copy().set_parse_action(remove_quotes) | Word(
+            printables, exclude_chars=">"
+        )
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(
+                ZeroOrMore(
+                    Group(
+                        tagAttrName.set_parse_action(lambda t: t[0].lower())
+                        + Opt(Suppress("=") + tagAttrValue)
+                    )
+                )
+            )
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    closeTag = Combine(Literal("</") + tagStr + ">", adjacent=False)
+
+    openTag.set_name("<%s>" % resname)
+    # add start<tagname> results name in parse action now that ungrouped names are not reported at two levels
+    openTag.add_parse_action(
+        lambda t: t.__setitem__(
+            "start" + "".join(resname.replace(":", " ").title().split()), t.copy()
+        )
+    )
+    closeTag = closeTag(
+        "end" + "".join(resname.replace(":", " ").title().split())
+    ).set_name("</%s>" % resname)
+    openTag.tag = resname
+    closeTag.tag = resname
+    openTag.tag_body = SkipTo(closeTag())
+    return openTag, closeTag
+
+
+def make_html_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for HTML,
+    given a tag name. Matches tags in either upper or lower case,
+    attributes with namespaces and with quoted or unquoted values.
+
+    Example::
+
+        text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+        # make_html_tags returns pyparsing expressions for the opening and
+        # closing tags as a 2-tuple
+        a, a_end = make_html_tags("A")
+        link_expr = a + SkipTo(a_end)("link_text") + a_end
+
+        for link in link_expr.search_string(text):
+            # attributes in the <A> tag (like "href" shown here) are
+            # also accessible as named results
+            print(link.link_text, '->', link.href)
+
+    prints::
+
+        pyparsing -> https://github.com/pyparsing/pyparsing/wiki
+    """
+    return _makeTags(tag_str, False)
+
+
+def make_xml_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for XML,
+    given a tag name. Matches tags only in the given upper/lower case.
+
+    Example: similar to :class:`make_html_tags`
+    """
+    return _makeTags(tag_str, True)
+
+
+any_open_tag: ParserElement
+any_close_tag: ParserElement
+any_open_tag, any_close_tag = make_html_tags(
+    Word(alphas, alphanums + "_:").set_name("any tag")
+)
+
+_htmlEntityMap = {k.rstrip(";"): v for k, v in html.entities.html5.items()}
+common_html_entity = Regex("&(?P<entity>" + "|".join(_htmlEntityMap) + ");").set_name(
+    "common HTML entity"
+)
+
+
+def replace_html_entity(t):
+    """Helper parser action to replace common HTML entities with their special characters"""
+    return _htmlEntityMap.get(t.entity)
+
+
+class OpAssoc(Enum):
+    LEFT = 1
+    RIGHT = 2
+
+
+InfixNotationOperatorArgType = Union[
+    ParserElement, str, Tuple[Union[ParserElement, str], Union[ParserElement, str]]
+]
+InfixNotationOperatorSpec = Union[
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+        typing.Optional[ParseAction],
+    ],
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+    ],
+]
+
+
+def infix_notation(
+    base_expr: ParserElement,
+    op_list: List[InfixNotationOperatorSpec],
+    lpar: Union[str, ParserElement] = Suppress("("),
+    rpar: Union[str, ParserElement] = Suppress(")"),
+) -> ParserElement:
+    """Helper method for constructing grammars of expressions made up of
+    operators working in a precedence hierarchy.  Operators may be unary
+    or binary, left- or right-associative.  Parse actions can also be
+    attached to operator expressions. The generated parser will also
+    recognize the use of parentheses to override operator precedences
+    (see example below).
+
+    Note: if you define a deep operator list, you may see performance
+    issues when using infix_notation. See
+    :class:`ParserElement.enable_packrat` for a mechanism to potentially
+    improve your parser performance.
+
+    Parameters:
+    - ``base_expr`` - expression representing the most basic operand to
+      be used in the expression
+    - ``op_list`` - list of tuples, one for each operator precedence level
+      in the expression grammar; each tuple is of the form ``(op_expr,
+      num_operands, right_left_assoc, (optional)parse_action)``, where:
+
+      - ``op_expr`` is the pyparsing expression for the operator; may also
+        be a string, which will be converted to a Literal; if ``num_operands``
+        is 3, ``op_expr`` is a tuple of two expressions, for the two
+        operators separating the 3 terms
+      - ``num_operands`` is the number of terms for this operator (must be 1,
+        2, or 3)
+      - ``right_left_assoc`` is the indicator whether the operator is right
+        or left associative, using the pyparsing-defined constants
+        ``OpAssoc.RIGHT`` and ``OpAssoc.LEFT``.
+      - ``parse_action`` is the parse action to be associated with
+        expressions matching this operator expression (the parse action
+        tuple member may be omitted); if the parse action is passed
+        a tuple or list of functions, this is equivalent to calling
+        ``set_parse_action(*fn)``
+        (:class:`ParserElement.set_parse_action`)
+    - ``lpar`` - expression for matching left-parentheses; if passed as a
+      str, then will be parsed as Suppress(lpar). If lpar is passed as
+      an expression (such as ``Literal('(')``), then it will be kept in
+      the parsed results, and grouped with them. (default= ``Suppress('(')``)
+    - ``rpar`` - expression for matching right-parentheses; if passed as a
+      str, then will be parsed as Suppress(rpar). If rpar is passed as
+      an expression (such as ``Literal(')')``), then it will be kept in
+      the parsed results, and grouped with them. (default= ``Suppress(')')``)
+
+    Example::
+
+        # simple example of four-function arithmetic with ints and
+        # variable names
+        integer = pyparsing_common.signed_integer
+        varname = pyparsing_common.identifier
+
+        arith_expr = infix_notation(integer | varname,
+            [
+            ('-', 1, OpAssoc.RIGHT),
+            (one_of('* /'), 2, OpAssoc.LEFT),
+            (one_of('+ -'), 2, OpAssoc.LEFT),
+            ])
+
+        arith_expr.run_tests('''
+            5+3*6
+            (5+3)*6
+            -2--11
+            ''', full_dump=False)
+
+    prints::
+
+        5+3*6
+        [[5, '+', [3, '*', 6]]]
+
+        (5+3)*6
+        [[[5, '+', 3], '*', 6]]
+
+        -2--11
+        [[['-', 2], '-', ['-', 11]]]
+    """
+    # captive version of FollowedBy that does not do parse actions or capture results names
+    class _FB(FollowedBy):
+        def parseImpl(self, instring, loc, doActions=True):
+            self.expr.try_parse(instring, loc)
+            return loc, []
+
+    _FB.__name__ = "FollowedBy>"
+
+    ret = Forward()
+    if isinstance(lpar, str):
+        lpar = Suppress(lpar)
+    if isinstance(rpar, str):
+        rpar = Suppress(rpar)
+
+    # if lpar and rpar are not suppressed, wrap in group
+    if not (isinstance(rpar, Suppress) and isinstance(rpar, Suppress)):
+        lastExpr = base_expr | Group(lpar + ret + rpar)
+    else:
+        lastExpr = base_expr | (lpar + ret + rpar)
+
+    for i, operDef in enumerate(op_list):
+        opExpr, arity, rightLeftAssoc, pa = (operDef + (None,))[:4]
+        if isinstance(opExpr, str_type):
+            opExpr = ParserElement._literalStringClass(opExpr)
+        if arity == 3:
+            if not isinstance(opExpr, (tuple, list)) or len(opExpr) != 2:
+                raise ValueError(
+                    "if numterms=3, opExpr must be a tuple or list of two expressions"
+                )
+            opExpr1, opExpr2 = opExpr
+            term_name = "{}{} term".format(opExpr1, opExpr2)
+        else:
+            term_name = "{} term".format(opExpr)
+
+        if not 1 <= arity <= 3:
+            raise ValueError("operator must be unary (1), binary (2), or ternary (3)")
+
+        if rightLeftAssoc not in (OpAssoc.LEFT, OpAssoc.RIGHT):
+            raise ValueError("operator must indicate right or left associativity")
+
+        thisExpr: Forward = Forward().set_name(term_name)
+        if rightLeftAssoc is OpAssoc.LEFT:
+            if arity == 1:
+                matchExpr = _FB(lastExpr + opExpr) + Group(lastExpr + opExpr[1, ...])
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + lastExpr) + Group(
+                        lastExpr + (opExpr + lastExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + lastExpr) + Group(lastExpr[2, ...])
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr
+                ) + Group(lastExpr + OneOrMore(opExpr1 + lastExpr + opExpr2 + lastExpr))
+        elif rightLeftAssoc is OpAssoc.RIGHT:
+            if arity == 1:
+                # try to avoid LR with this extra test
+                if not isinstance(opExpr, Opt):
+                    opExpr = Opt(opExpr)
+                matchExpr = _FB(opExpr.expr + thisExpr) + Group(opExpr + thisExpr)
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + thisExpr) + Group(
+                        lastExpr + (opExpr + thisExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + thisExpr) + Group(
+                        lastExpr + thisExpr[1, ...]
+                    )
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr
+                ) + Group(lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr)
+        if pa:
+            if isinstance(pa, (tuple, list)):
+                matchExpr.set_parse_action(*pa)
+            else:
+                matchExpr.set_parse_action(pa)
+        thisExpr <<= (matchExpr | lastExpr).setName(term_name)
+        lastExpr = thisExpr
+    ret <<= lastExpr
+    return ret
+
+
+def indentedBlock(blockStatementExpr, indentStack, indent=True, backup_stacks=[]):
+    """
+    (DEPRECATED - use IndentedBlock class instead)
+    Helper method for defining space-delimited indentation blocks,
+    such as those used to define block statements in Python source code.
+
+    Parameters:
+
+    - ``blockStatementExpr`` - expression defining syntax of statement that
+      is repeated within the indented block
+    - ``indentStack`` - list created by caller to manage indentation stack
+      (multiple ``statementWithIndentedBlock`` expressions within a single
+      grammar should share a common ``indentStack``)
+    - ``indent`` - boolean indicating whether block must be indented beyond
+      the current level; set to ``False`` for block of left-most statements
+      (default= ``True``)
+
+    A valid block must contain at least one ``blockStatement``.
+
+    (Note that indentedBlock uses internal parse actions which make it
+    incompatible with packrat parsing.)
+
+    Example::
+
+        data = '''
+        def A(z):
+          A1
+          B = 100
+          G = A2
+          A2
+          A3
+        B
+        def BB(a,b,c):
+          BB1
+          def BBA():
+            bba1
+            bba2
+            bba3
+        C
+        D
+        def spam(x,y):
+             def eggs(z):
+                 pass
+        '''
+
+
+        indentStack = [1]
+        stmt = Forward()
+
+        identifier = Word(alphas, alphanums)
+        funcDecl = ("def" + identifier + Group("(" + Opt(delimitedList(identifier)) + ")") + ":")
+        func_body = indentedBlock(stmt, indentStack)
+        funcDef = Group(funcDecl + func_body)
+
+        rvalue = Forward()
+        funcCall = Group(identifier + "(" + Opt(delimitedList(rvalue)) + ")")
+        rvalue << (funcCall | identifier | Word(nums))
+        assignment = Group(identifier + "=" + rvalue)
+        stmt << (funcDef | assignment | identifier)
+
+        module_body = stmt[1, ...]
+
+        parseTree = module_body.parseString(data)
+        parseTree.pprint()
+
+    prints::
+
+        [['def',
+          'A',
+          ['(', 'z', ')'],
+          ':',
+          [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]],
+         'B',
+         ['def',
+          'BB',
+          ['(', 'a', 'b', 'c', ')'],
+          ':',
+          [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]],
+         'C',
+         'D',
+         ['def',
+          'spam',
+          ['(', 'x', 'y', ')'],
+          ':',
+          [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]]
+    """
+    backup_stacks.append(indentStack[:])
+
+    def reset_stack():
+        indentStack[:] = backup_stacks[-1]
+
+    def checkPeerIndent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if curCol != indentStack[-1]:
+            if curCol > indentStack[-1]:
+                raise ParseException(s, l, "illegal nesting")
+            raise ParseException(s, l, "not a peer entry")
+
+    def checkSubIndent(s, l, t):
+        curCol = col(l, s)
+        if curCol > indentStack[-1]:
+            indentStack.append(curCol)
+        else:
+            raise ParseException(s, l, "not a subentry")
+
+    def checkUnindent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if not (indentStack and curCol in indentStack):
+            raise ParseException(s, l, "not an unindent")
+        if curCol < indentStack[-1]:
+            indentStack.pop()
+
+    NL = OneOrMore(LineEnd().set_whitespace_chars("\t ").suppress())
+    INDENT = (Empty() + Empty().set_parse_action(checkSubIndent)).set_name("INDENT")
+    PEER = Empty().set_parse_action(checkPeerIndent).set_name("")
+    UNDENT = Empty().set_parse_action(checkUnindent).set_name("UNINDENT")
+    if indent:
+        smExpr = Group(
+            Opt(NL)
+            + INDENT
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + UNDENT
+        )
+    else:
+        smExpr = Group(
+            Opt(NL)
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + Opt(UNDENT)
+        )
+
+    # add a parse action to remove backup_stack from list of backups
+    smExpr.add_parse_action(
+        lambda: backup_stacks.pop(-1) and None if backup_stacks else None
+    )
+    smExpr.set_fail_action(lambda a, b, c, d: reset_stack())
+    blockStatementExpr.ignore(_bslash + LineEnd())
+    return smExpr.set_name("indented block")
+
+
+# it's easy to get these comment structures wrong - they're very common, so may as well make them available
+c_style_comment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/").set_name(
+    "C style comment"
+)
+"Comment of the form ``/* ... */``"
+
+html_comment = Regex(r"<!--[\s\S]*?-->").set_name("HTML comment")
+"Comment of the form ``<!-- ... -->``"
+
+rest_of_line = Regex(r".*").leave_whitespace().set_name("rest of line")
+dbl_slash_comment = Regex(r"//(?:\\\n|[^\n])*").set_name("// comment")
+"Comment of the form ``// ... (to end of line)``"
+
+cpp_style_comment = Combine(
+    Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/" | dbl_slash_comment
+).set_name("C++ style comment")
+"Comment of either form :class:`c_style_comment` or :class:`dbl_slash_comment`"
+
+java_style_comment = cpp_style_comment
+"Same as :class:`cpp_style_comment`"
+
+python_style_comment = Regex(r"#.*").set_name("Python style comment")
+"Comment of the form ``# ... (to end of line)``"
+
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs: List[ParserElement] = [
+    v for v in vars().values() if isinstance(v, ParserElement)
+]
+
+
+# pre-PEP8 compatible names
+delimitedList = delimited_list
+countedArray = counted_array
+matchPreviousLiteral = match_previous_literal
+matchPreviousExpr = match_previous_expr
+oneOf = one_of
+dictOf = dict_of
+originalTextFor = original_text_for
+nestedExpr = nested_expr
+makeHTMLTags = make_html_tags
+makeXMLTags = make_xml_tags
+anyOpenTag, anyCloseTag = any_open_tag, any_close_tag
+commonHTMLEntity = common_html_entity
+replaceHTMLEntity = replace_html_entity
+opAssoc = OpAssoc
+infixNotation = infix_notation
+cStyleComment = c_style_comment
+htmlComment = html_comment
+restOfLine = rest_of_line
+dblSlashComment = dbl_slash_comment
+cppStyleComment = cpp_style_comment
+javaStyleComment = java_style_comment
+pythonStyleComment = python_style_comment
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/results.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/results.py
new file mode 100644
index 00000000..00c9421d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/results.py
@@ -0,0 +1,760 @@
+# results.py
+from collections.abc import MutableMapping, Mapping, MutableSequence, Iterator
+import pprint
+from weakref import ref as wkref
+from typing import Tuple, Any
+
+str_type: Tuple[type, ...] = (str, bytes)
+_generator_type = type((_ for _ in ()))
+
+
+class _ParseResultsWithOffset:
+    __slots__ = ["tup"]
+
+    def __init__(self, p1, p2):
+        self.tup = (p1, p2)
+
+    def __getitem__(self, i):
+        return self.tup[i]
+
+    def __getstate__(self):
+        return self.tup
+
+    def __setstate__(self, *args):
+        self.tup = args[0]
+
+
+class ParseResults:
+    """Structured parse results, to provide multiple means of access to
+    the parsed data:
+
+    - as a list (``len(results)``)
+    - by list index (``results[0], results[1]``, etc.)
+    - by attribute (``results.<results_name>`` - see :class:`ParserElement.set_results_name`)
+
+    Example::
+
+        integer = Word(nums)
+        date_str = (integer.set_results_name("year") + '/'
+                    + integer.set_results_name("month") + '/'
+                    + integer.set_results_name("day"))
+        # equivalent form:
+        # date_str = (integer("year") + '/'
+        #             + integer("month") + '/'
+        #             + integer("day"))
+
+        # parse_string returns a ParseResults object
+        result = date_str.parse_string("1999/12/31")
+
+        def test(s, fn=repr):
+            print("{} -> {}".format(s, fn(eval(s))))
+        test("list(result)")
+        test("result[0]")
+        test("result['month']")
+        test("result.day")
+        test("'month' in result")
+        test("'minutes' in result")
+        test("result.dump()", str)
+
+    prints::
+
+        list(result) -> ['1999', '/', '12', '/', '31']
+        result[0] -> '1999'
+        result['month'] -> '12'
+        result.day -> '31'
+        'month' in result -> True
+        'minutes' in result -> False
+        result.dump() -> ['1999', '/', '12', '/', '31']
+        - day: '31'
+        - month: '12'
+        - year: '1999'
+    """
+
+    _null_values: Tuple[Any, ...] = (None, [], "", ())
+
+    __slots__ = [
+        "_name",
+        "_parent",
+        "_all_names",
+        "_modal",
+        "_toklist",
+        "_tokdict",
+        "__weakref__",
+    ]
+
+    class List(list):
+        """
+        Simple wrapper class to distinguish parsed list results that should be preserved
+        as actual Python lists, instead of being converted to :class:`ParseResults`:
+
+            LBRACK, RBRACK = map(pp.Suppress, "[]")
+            element = pp.Forward()
+            item = ppc.integer
+            element_list = LBRACK + pp.delimited_list(element) + RBRACK
+
+            # add parse actions to convert from ParseResults to actual Python collection types
+            def as_python_list(t):
+                return pp.ParseResults.List(t.as_list())
+            element_list.add_parse_action(as_python_list)
+
+            element <<= item | element_list
+
+            element.run_tests('''
+                100
+                [2,3,4]
+                [[2, 1],3,4]
+                [(2, 1),3,4]
+                (2,3,4)
+                ''', post_parse=lambda s, r: (r[0], type(r[0])))
+
+        prints:
+
+            100
+            (100, <class 'int'>)
+
+            [2,3,4]
+            ([2, 3, 4], <class 'list'>)
+
+            [[2, 1],3,4]
+            ([[2, 1], 3, 4], <class 'list'>)
+
+        (Used internally by :class:`Group` when `aslist=True`.)
+        """
+
+        def __new__(cls, contained=None):
+            if contained is None:
+                contained = []
+
+            if not isinstance(contained, list):
+                raise TypeError(
+                    "{} may only be constructed with a list,"
+                    " not {}".format(cls.__name__, type(contained).__name__)
+                )
+
+            return list.__new__(cls)
+
+    def __new__(cls, toklist=None, name=None, **kwargs):
+        if isinstance(toklist, ParseResults):
+            return toklist
+        self = object.__new__(cls)
+        self._name = None
+        self._parent = None
+        self._all_names = set()
+
+        if toklist is None:
+            self._toklist = []
+        elif isinstance(toklist, (list, _generator_type)):
+            self._toklist = (
+                [toklist[:]]
+                if isinstance(toklist, ParseResults.List)
+                else list(toklist)
+            )
+        else:
+            self._toklist = [toklist]
+        self._tokdict = dict()
+        return self
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self, toklist=None, name=None, asList=True, modal=True, isinstance=isinstance
+    ):
+        self._modal = modal
+        if name is not None and name != "":
+            if isinstance(name, int):
+                name = str(name)
+            if not modal:
+                self._all_names = {name}
+            self._name = name
+            if toklist not in self._null_values:
+                if isinstance(toklist, (str_type, type)):
+                    toklist = [toklist]
+                if asList:
+                    if isinstance(toklist, ParseResults):
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist._toklist), 0
+                        )
+                    else:
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist[0]), 0
+                        )
+                    self[name]._name = name
+                else:
+                    try:
+                        self[name] = toklist[0]
+                    except (KeyError, TypeError, IndexError):
+                        if toklist is not self:
+                            self[name] = toklist
+                        else:
+                            self._name = name
+
+    def __getitem__(self, i):
+        if isinstance(i, (int, slice)):
+            return self._toklist[i]
+        else:
+            if i not in self._all_names:
+                return self._tokdict[i][-1][0]
+            else:
+                return ParseResults([v[0] for v in self._tokdict[i]])
+
+    def __setitem__(self, k, v, isinstance=isinstance):
+        if isinstance(v, _ParseResultsWithOffset):
+            self._tokdict[k] = self._tokdict.get(k, list()) + [v]
+            sub = v[0]
+        elif isinstance(k, (int, slice)):
+            self._toklist[k] = v
+            sub = v
+        else:
+            self._tokdict[k] = self._tokdict.get(k, list()) + [
+                _ParseResultsWithOffset(v, 0)
+            ]
+            sub = v
+        if isinstance(sub, ParseResults):
+            sub._parent = wkref(self)
+
+    def __delitem__(self, i):
+        if isinstance(i, (int, slice)):
+            mylen = len(self._toklist)
+            del self._toklist[i]
+
+            # convert int to slice
+            if isinstance(i, int):
+                if i < 0:
+                    i += mylen
+                i = slice(i, i + 1)
+            # get removed indices
+            removed = list(range(*i.indices(mylen)))
+            removed.reverse()
+            # fixup indices in token dictionary
+            for name, occurrences in self._tokdict.items():
+                for j in removed:
+                    for k, (value, position) in enumerate(occurrences):
+                        occurrences[k] = _ParseResultsWithOffset(
+                            value, position - (position > j)
+                        )
+        else:
+            del self._tokdict[i]
+
+    def __contains__(self, k) -> bool:
+        return k in self._tokdict
+
+    def __len__(self) -> int:
+        return len(self._toklist)
+
+    def __bool__(self) -> bool:
+        return not not (self._toklist or self._tokdict)
+
+    def __iter__(self) -> Iterator:
+        return iter(self._toklist)
+
+    def __reversed__(self) -> Iterator:
+        return iter(self._toklist[::-1])
+
+    def keys(self):
+        return iter(self._tokdict)
+
+    def values(self):
+        return (self[k] for k in self.keys())
+
+    def items(self):
+        return ((k, self[k]) for k in self.keys())
+
+    def haskeys(self) -> bool:
+        """
+        Since ``keys()`` returns an iterator, this method is helpful in bypassing
+        code that looks for the existence of any defined results names."""
+        return bool(self._tokdict)
+
+    def pop(self, *args, **kwargs):
+        """
+        Removes and returns item at specified index (default= ``last``).
+        Supports both ``list`` and ``dict`` semantics for ``pop()``. If
+        passed no argument or an integer argument, it will use ``list``
+        semantics and pop tokens from the list of parsed tokens. If passed
+        a non-integer argument (most likely a string), it will use ``dict``
+        semantics and pop the corresponding value from any defined results
+        names. A second default return value argument is supported, just as in
+        ``dict.pop()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            def remove_first(tokens):
+                tokens.pop(0)
+            numlist.add_parse_action(remove_first)
+            print(numlist.parse_string("0 123 321")) # -> ['123', '321']
+
+            label = Word(alphas)
+            patt = label("LABEL") + Word(nums)[1, ...]
+            print(patt.parse_string("AAB 123 321").dump())
+
+            # Use pop() in a parse action to remove named result (note that corresponding value is not
+            # removed from list form of results)
+            def remove_LABEL(tokens):
+                tokens.pop("LABEL")
+                return tokens
+            patt.add_parse_action(remove_LABEL)
+            print(patt.parse_string("AAB 123 321").dump())
+
+        prints::
+
+            ['AAB', '123', '321']
+            - LABEL: 'AAB'
+
+            ['AAB', '123', '321']
+        """
+        if not args:
+            args = [-1]
+        for k, v in kwargs.items():
+            if k == "default":
+                args = (args[0], v)
+            else:
+                raise TypeError(
+                    "pop() got an unexpected keyword argument {!r}".format(k)
+                )
+        if isinstance(args[0], int) or len(args) == 1 or args[0] in self:
+            index = args[0]
+            ret = self[index]
+            del self[index]
+            return ret
+        else:
+            defaultvalue = args[1]
+            return defaultvalue
+
+    def get(self, key, default_value=None):
+        """
+        Returns named result matching the given key, or if there is no
+        such name, then returns the given ``default_value`` or ``None`` if no
+        ``default_value`` is specified.
+
+        Similar to ``dict.get()``.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string("1999/12/31")
+            print(result.get("year")) # -> '1999'
+            print(result.get("hour", "not specified")) # -> 'not specified'
+            print(result.get("hour")) # -> None
+        """
+        if key in self:
+            return self[key]
+        else:
+            return default_value
+
+    def insert(self, index, ins_string):
+        """
+        Inserts new element at location index in the list of parsed tokens.
+
+        Similar to ``list.insert()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to insert the parse location in the front of the parsed results
+            def insert_locn(locn, tokens):
+                tokens.insert(0, locn)
+            numlist.add_parse_action(insert_locn)
+            print(numlist.parse_string("0 123 321")) # -> [0, '0', '123', '321']
+        """
+        self._toklist.insert(index, ins_string)
+        # fixup indices in token dictionary
+        for name, occurrences in self._tokdict.items():
+            for k, (value, position) in enumerate(occurrences):
+                occurrences[k] = _ParseResultsWithOffset(
+                    value, position + (position > index)
+                )
+
+    def append(self, item):
+        """
+        Add single element to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to compute the sum of the parsed integers, and add it to the end
+            def append_sum(tokens):
+                tokens.append(sum(map(int, tokens)))
+            numlist.add_parse_action(append_sum)
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321', 444]
+        """
+        self._toklist.append(item)
+
+    def extend(self, itemseq):
+        """
+        Add sequence of elements to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+
+            # use a parse action to append the reverse of the matched strings, to make a palindrome
+            def make_palindrome(tokens):
+                tokens.extend(reversed([t[::-1] for t in tokens]))
+                return ''.join(tokens)
+            patt.add_parse_action(make_palindrome)
+            print(patt.parse_string("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl'
+        """
+        if isinstance(itemseq, ParseResults):
+            self.__iadd__(itemseq)
+        else:
+            self._toklist.extend(itemseq)
+
+    def clear(self):
+        """
+        Clear all elements and results names.
+        """
+        del self._toklist[:]
+        self._tokdict.clear()
+
+    def __getattr__(self, name):
+        try:
+            return self[name]
+        except KeyError:
+            if name.startswith("__"):
+                raise AttributeError(name)
+            return ""
+
+    def __add__(self, other) -> "ParseResults":
+        ret = self.copy()
+        ret += other
+        return ret
+
+    def __iadd__(self, other) -> "ParseResults":
+        if other._tokdict:
+            offset = len(self._toklist)
+            addoffset = lambda a: offset if a < 0 else a + offset
+            otheritems = other._tokdict.items()
+            otherdictitems = [
+                (k, _ParseResultsWithOffset(v[0], addoffset(v[1])))
+                for k, vlist in otheritems
+                for v in vlist
+            ]
+            for k, v in otherdictitems:
+                self[k] = v
+                if isinstance(v[0], ParseResults):
+                    v[0]._parent = wkref(self)
+
+        self._toklist += other._toklist
+        self._all_names |= other._all_names
+        return self
+
+    def __radd__(self, other) -> "ParseResults":
+        if isinstance(other, int) and other == 0:
+            # useful for merging many ParseResults using sum() builtin
+            return self.copy()
+        else:
+            # this may raise a TypeError - so be it
+            return other + self
+
+    def __repr__(self) -> str:
+        return "{}({!r}, {})".format(type(self).__name__, self._toklist, self.as_dict())
+
+    def __str__(self) -> str:
+        return (
+            "["
+            + ", ".join(
+                [
+                    str(i) if isinstance(i, ParseResults) else repr(i)
+                    for i in self._toklist
+                ]
+            )
+            + "]"
+        )
+
+    def _asStringList(self, sep=""):
+        out = []
+        for item in self._toklist:
+            if out and sep:
+                out.append(sep)
+            if isinstance(item, ParseResults):
+                out += item._asStringList()
+            else:
+                out.append(str(item))
+        return out
+
+    def as_list(self) -> list:
+        """
+        Returns the parse results as a nested list of matching tokens, all converted to strings.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+            result = patt.parse_string("sldkj lsdkj sldkj")
+            # even though the result prints in string-like form, it is actually a pyparsing ParseResults
+            print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj']
+
+            # Use as_list() to create an actual list
+            result_list = result.as_list()
+            print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj']
+        """
+        return [
+            res.as_list() if isinstance(res, ParseResults) else res
+            for res in self._toklist
+        ]
+
+    def as_dict(self) -> dict:
+        """
+        Returns the named parse results as a nested dictionary.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('12/31/1999')
+            print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]})
+
+            result_dict = result.as_dict()
+            print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'}
+
+            # even though a ParseResults supports dict-like access, sometime you just need to have a dict
+            import json
+            print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable
+            print(json.dumps(result.as_dict())) # -> {"month": "31", "day": "1999", "year": "12"}
+        """
+
+        def to_item(obj):
+            if isinstance(obj, ParseResults):
+                return obj.as_dict() if obj.haskeys() else [to_item(v) for v in obj]
+            else:
+                return obj
+
+        return dict((k, to_item(v)) for k, v in self.items())
+
+    def copy(self) -> "ParseResults":
+        """
+        Returns a new copy of a :class:`ParseResults` object.
+        """
+        ret = ParseResults(self._toklist)
+        ret._tokdict = self._tokdict.copy()
+        ret._parent = self._parent
+        ret._all_names |= self._all_names
+        ret._name = self._name
+        return ret
+
+    def get_name(self):
+        r"""
+        Returns the results name for this token expression. Useful when several
+        different expressions might match at a particular location.
+
+        Example::
+
+            integer = Word(nums)
+            ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d")
+            house_number_expr = Suppress('#') + Word(nums, alphanums)
+            user_data = (Group(house_number_expr)("house_number")
+                        | Group(ssn_expr)("ssn")
+                        | Group(integer)("age"))
+            user_info = user_data[1, ...]
+
+            result = user_info.parse_string("22 111-22-3333 #221B")
+            for item in result:
+                print(item.get_name(), ':', item[0])
+
+        prints::
+
+            age : 22
+            ssn : 111-22-3333
+            house_number : 221B
+        """
+        if self._name:
+            return self._name
+        elif self._parent:
+            par = self._parent()
+
+            def find_in_parent(sub):
+                return next(
+                    (
+                        k
+                        for k, vlist in par._tokdict.items()
+                        for v, loc in vlist
+                        if sub is v
+                    ),
+                    None,
+                )
+
+            return find_in_parent(self) if par else None
+        elif (
+            len(self) == 1
+            and len(self._tokdict) == 1
+            and next(iter(self._tokdict.values()))[0][1] in (0, -1)
+        ):
+            return next(iter(self._tokdict.keys()))
+        else:
+            return None
+
+    def dump(self, indent="", full=True, include_list=True, _depth=0) -> str:
+        """
+        Diagnostic method for listing out the contents of
+        a :class:`ParseResults`. Accepts an optional ``indent`` argument so
+        that this string can be embedded in a nested display of other data.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('1999/12/31')
+            print(result.dump())
+
+        prints::
+
+            ['1999', '/', '12', '/', '31']
+            - day: '31'
+            - month: '12'
+            - year: '1999'
+        """
+        out = []
+        NL = "\n"
+        out.append(indent + str(self.as_list()) if include_list else "")
+
+        if full:
+            if self.haskeys():
+                items = sorted((str(k), v) for k, v in self.items())
+                for k, v in items:
+                    if out:
+                        out.append(NL)
+                    out.append("{}{}- {}: ".format(indent, ("  " * _depth), k))
+                    if isinstance(v, ParseResults):
+                        if v:
+                            out.append(
+                                v.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                )
+                            )
+                        else:
+                            out.append(str(v))
+                    else:
+                        out.append(repr(v))
+            if any(isinstance(vv, ParseResults) for vv in self):
+                v = self
+                for i, vv in enumerate(v):
+                    if isinstance(vv, ParseResults):
+                        out.append(
+                            "\n{}{}[{}]:\n{}{}{}".format(
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                vv.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                ),
+                            )
+                        )
+                    else:
+                        out.append(
+                            "\n%s%s[%d]:\n%s%s%s"
+                            % (
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                str(vv),
+                            )
+                        )
+
+        return "".join(out)
+
+    def pprint(self, *args, **kwargs):
+        """
+        Pretty-printer for parsed results as a list, using the
+        `pprint <https://docs.python.org/3/library/pprint.html>`_ module.
+        Accepts additional positional or keyword args as defined for
+        `pprint.pprint <https://docs.python.org/3/library/pprint.html#pprint.pprint>`_ .
+
+        Example::
+
+            ident = Word(alphas, alphanums)
+            num = Word(nums)
+            func = Forward()
+            term = ident | num | Group('(' + func + ')')
+            func <<= ident + Group(Optional(delimited_list(term)))
+            result = func.parse_string("fna a,b,(fnb c,d,200),100")
+            result.pprint(width=40)
+
+        prints::
+
+            ['fna',
+             ['a',
+              'b',
+              ['(', 'fnb', ['c', 'd', '200'], ')'],
+              '100']]
+        """
+        pprint.pprint(self.as_list(), *args, **kwargs)
+
+    # add support for pickle protocol
+    def __getstate__(self):
+        return (
+            self._toklist,
+            (
+                self._tokdict.copy(),
+                self._parent is not None and self._parent() or None,
+                self._all_names,
+                self._name,
+            ),
+        )
+
+    def __setstate__(self, state):
+        self._toklist, (self._tokdict, par, inAccumNames, self._name) = state
+        self._all_names = set(inAccumNames)
+        if par is not None:
+            self._parent = wkref(par)
+        else:
+            self._parent = None
+
+    def __getnewargs__(self):
+        return self._toklist, self._name
+
+    def __dir__(self):
+        return dir(type(self)) + list(self.keys())
+
+    @classmethod
+    def from_dict(cls, other, name=None) -> "ParseResults":
+        """
+        Helper classmethod to construct a ``ParseResults`` from a ``dict``, preserving the
+        name-value relations as results names. If an optional ``name`` argument is
+        given, a nested ``ParseResults`` will be returned.
+        """
+
+        def is_iterable(obj):
+            try:
+                iter(obj)
+            except Exception:
+                return False
+            else:
+                return not isinstance(obj, str_type)
+
+        ret = cls([])
+        for k, v in other.items():
+            if isinstance(v, Mapping):
+                ret += cls.from_dict(v, name=k)
+            else:
+                ret += cls([v], name=k, asList=is_iterable(v))
+        if name is not None:
+            ret = cls([ret], name=name)
+        return ret
+
+    asList = as_list
+    asDict = as_dict
+    getName = get_name
+
+
+MutableMapping.register(ParseResults)
+MutableSequence.register(ParseResults)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/testing.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/testing.py
new file mode 100644
index 00000000..84a0ef17
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/testing.py
@@ -0,0 +1,331 @@
+# testing.py
+
+from contextlib import contextmanager
+import typing
+
+from .core import (
+    ParserElement,
+    ParseException,
+    Keyword,
+    __diag__,
+    __compat__,
+)
+
+
+class pyparsing_test:
+    """
+    namespace class for classes useful in writing unit tests
+    """
+
+    class reset_pyparsing_context:
+        """
+        Context manager to be used when writing unit tests that modify pyparsing config values:
+        - packrat parsing
+        - bounded recursion parsing
+        - default whitespace characters.
+        - default keyword characters
+        - literal string auto-conversion class
+        - __diag__ settings
+
+        Example::
+
+            with reset_pyparsing_context():
+                # test that literals used to construct a grammar are automatically suppressed
+                ParserElement.inlineLiteralsUsing(Suppress)
+
+                term = Word(alphas) | Word(nums)
+                group = Group('(' + term[...] + ')')
+
+                # assert that the '()' characters are not included in the parsed tokens
+                self.assertParseAndCheckList(group, "(abc 123 def)", ['abc', '123', 'def'])
+
+            # after exiting context manager, literals are converted to Literal expressions again
+        """
+
+        def __init__(self):
+            self._save_context = {}
+
+        def save(self):
+            self._save_context["default_whitespace"] = ParserElement.DEFAULT_WHITE_CHARS
+            self._save_context["default_keyword_chars"] = Keyword.DEFAULT_KEYWORD_CHARS
+
+            self._save_context[
+                "literal_string_class"
+            ] = ParserElement._literalStringClass
+
+            self._save_context["verbose_stacktrace"] = ParserElement.verbose_stacktrace
+
+            self._save_context["packrat_enabled"] = ParserElement._packratEnabled
+            if ParserElement._packratEnabled:
+                self._save_context[
+                    "packrat_cache_size"
+                ] = ParserElement.packrat_cache.size
+            else:
+                self._save_context["packrat_cache_size"] = None
+            self._save_context["packrat_parse"] = ParserElement._parse
+            self._save_context[
+                "recursion_enabled"
+            ] = ParserElement._left_recursion_enabled
+
+            self._save_context["__diag__"] = {
+                name: getattr(__diag__, name) for name in __diag__._all_names
+            }
+
+            self._save_context["__compat__"] = {
+                "collect_all_And_tokens": __compat__.collect_all_And_tokens
+            }
+
+            return self
+
+        def restore(self):
+            # reset pyparsing global state
+            if (
+                ParserElement.DEFAULT_WHITE_CHARS
+                != self._save_context["default_whitespace"]
+            ):
+                ParserElement.set_default_whitespace_chars(
+                    self._save_context["default_whitespace"]
+                )
+
+            ParserElement.verbose_stacktrace = self._save_context["verbose_stacktrace"]
+
+            Keyword.DEFAULT_KEYWORD_CHARS = self._save_context["default_keyword_chars"]
+            ParserElement.inlineLiteralsUsing(
+                self._save_context["literal_string_class"]
+            )
+
+            for name, value in self._save_context["__diag__"].items():
+                (__diag__.enable if value else __diag__.disable)(name)
+
+            ParserElement._packratEnabled = False
+            if self._save_context["packrat_enabled"]:
+                ParserElement.enable_packrat(self._save_context["packrat_cache_size"])
+            else:
+                ParserElement._parse = self._save_context["packrat_parse"]
+            ParserElement._left_recursion_enabled = self._save_context[
+                "recursion_enabled"
+            ]
+
+            __compat__.collect_all_And_tokens = self._save_context["__compat__"]
+
+            return self
+
+        def copy(self):
+            ret = type(self)()
+            ret._save_context.update(self._save_context)
+            return ret
+
+        def __enter__(self):
+            return self.save()
+
+        def __exit__(self, *args):
+            self.restore()
+
+    class TestParseResultsAsserts:
+        """
+        A mixin class to add parse results assertion methods to normal unittest.TestCase classes.
+        """
+
+        def assertParseResultsEquals(
+            self, result, expected_list=None, expected_dict=None, msg=None
+        ):
+            """
+            Unit test assertion to compare a :class:`ParseResults` object with an optional ``expected_list``,
+            and compare any defined results names with an optional ``expected_dict``.
+            """
+            if expected_list is not None:
+                self.assertEqual(expected_list, result.as_list(), msg=msg)
+            if expected_dict is not None:
+                self.assertEqual(expected_dict, result.as_dict(), msg=msg)
+
+        def assertParseAndCheckList(
+            self, expr, test_string, expected_list, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asList()`` is equal to the ``expected_list``.
+            """
+            result = expr.parse_string(test_string, parse_all=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_list=expected_list, msg=msg)
+
+        def assertParseAndCheckDict(
+            self, expr, test_string, expected_dict, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asDict()`` is equal to the ``expected_dict``.
+            """
+            result = expr.parse_string(test_string, parseAll=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_dict=expected_dict, msg=msg)
+
+        def assertRunTestResults(
+            self, run_tests_report, expected_parse_results=None, msg=None
+        ):
+            """
+            Unit test assertion to evaluate output of ``ParserElement.runTests()``. If a list of
+            list-dict tuples is given as the ``expected_parse_results`` argument, then these are zipped
+            with the report tuples returned by ``runTests`` and evaluated using ``assertParseResultsEquals``.
+            Finally, asserts that the overall ``runTests()`` success value is ``True``.
+
+            :param run_tests_report: tuple(bool, [tuple(str, ParseResults or Exception)]) returned from runTests
+            :param expected_parse_results (optional): [tuple(str, list, dict, Exception)]
+            """
+            run_test_success, run_test_results = run_tests_report
+
+            if expected_parse_results is not None:
+                merged = [
+                    (*rpt, expected)
+                    for rpt, expected in zip(run_test_results, expected_parse_results)
+                ]
+                for test_string, result, expected in merged:
+                    # expected should be a tuple containing a list and/or a dict or an exception,
+                    # and optional failure message string
+                    # an empty tuple will skip any result validation
+                    fail_msg = next(
+                        (exp for exp in expected if isinstance(exp, str)), None
+                    )
+                    expected_exception = next(
+                        (
+                            exp
+                            for exp in expected
+                            if isinstance(exp, type) and issubclass(exp, Exception)
+                        ),
+                        None,
+                    )
+                    if expected_exception is not None:
+                        with self.assertRaises(
+                            expected_exception=expected_exception, msg=fail_msg or msg
+                        ):
+                            if isinstance(result, Exception):
+                                raise result
+                    else:
+                        expected_list = next(
+                            (exp for exp in expected if isinstance(exp, list)), None
+                        )
+                        expected_dict = next(
+                            (exp for exp in expected if isinstance(exp, dict)), None
+                        )
+                        if (expected_list, expected_dict) != (None, None):
+                            self.assertParseResultsEquals(
+                                result,
+                                expected_list=expected_list,
+                                expected_dict=expected_dict,
+                                msg=fail_msg or msg,
+                            )
+                        else:
+                            # warning here maybe?
+                            print("no validation for {!r}".format(test_string))
+
+            # do this last, in case some specific test results can be reported instead
+            self.assertTrue(
+                run_test_success, msg=msg if msg is not None else "failed runTests"
+            )
+
+        @contextmanager
+        def assertRaisesParseException(self, exc_type=ParseException, msg=None):
+            with self.assertRaises(exc_type, msg=msg):
+                yield
+
+    @staticmethod
+    def with_line_numbers(
+        s: str,
+        start_line: typing.Optional[int] = None,
+        end_line: typing.Optional[int] = None,
+        expand_tabs: bool = True,
+        eol_mark: str = "|",
+        mark_spaces: typing.Optional[str] = None,
+        mark_control: typing.Optional[str] = None,
+    ) -> str:
+        """
+        Helpful method for debugging a parser - prints a string with line and column numbers.
+        (Line and column numbers are 1-based.)
+
+        :param s: tuple(bool, str - string to be printed with line and column numbers
+        :param start_line: int - (optional) starting line number in s to print (default=1)
+        :param end_line: int - (optional) ending line number in s to print (default=len(s))
+        :param expand_tabs: bool - (optional) expand tabs to spaces, to match the pyparsing default
+        :param eol_mark: str - (optional) string to mark the end of lines, helps visualize trailing spaces (default="|")
+        :param mark_spaces: str - (optional) special character to display in place of spaces
+        :param mark_control: str - (optional) convert non-printing control characters to a placeholding
+                                 character; valid values:
+                                 - "unicode" - replaces control chars with Unicode symbols, such as "␍" and "␊"
+                                 - any single character string - replace control characters with given string
+                                 - None (default) - string is displayed as-is
+
+        :return: str - input string with leading line numbers and column number headers
+        """
+        if expand_tabs:
+            s = s.expandtabs()
+        if mark_control is not None:
+            if mark_control == "unicode":
+                tbl = str.maketrans(
+                    {c: u for c, u in zip(range(0, 33), range(0x2400, 0x2433))}
+                    | {127: 0x2421}
+                )
+                eol_mark = ""
+            else:
+                tbl = str.maketrans(
+                    {c: mark_control for c in list(range(0, 32)) + [127]}
+                )
+            s = s.translate(tbl)
+        if mark_spaces is not None and mark_spaces != " ":
+            if mark_spaces == "unicode":
+                tbl = str.maketrans({9: 0x2409, 32: 0x2423})
+                s = s.translate(tbl)
+            else:
+                s = s.replace(" ", mark_spaces)
+        if start_line is None:
+            start_line = 1
+        if end_line is None:
+            end_line = len(s)
+        end_line = min(end_line, len(s))
+        start_line = min(max(1, start_line), end_line)
+
+        if mark_control != "unicode":
+            s_lines = s.splitlines()[start_line - 1 : end_line]
+        else:
+            s_lines = [line + "␊" for line in s.split("␊")[start_line - 1 : end_line]]
+        if not s_lines:
+            return ""
+
+        lineno_width = len(str(end_line))
+        max_line_len = max(len(line) for line in s_lines)
+        lead = " " * (lineno_width + 1)
+        if max_line_len >= 99:
+            header0 = (
+                lead
+                + "".join(
+                    "{}{}".format(" " * 99, (i + 1) % 100)
+                    for i in range(max(max_line_len // 100, 1))
+                )
+                + "\n"
+            )
+        else:
+            header0 = ""
+        header1 = (
+            header0
+            + lead
+            + "".join(
+                "         {}".format((i + 1) % 10)
+                for i in range(-(-max_line_len // 10))
+            )
+            + "\n"
+        )
+        header2 = lead + "1234567890" * (-(-max_line_len // 10)) + "\n"
+        return (
+            header1
+            + header2
+            + "\n".join(
+                "{:{}d}:{}{}".format(i, lineno_width, line, eol_mark)
+                for i, line in enumerate(s_lines, start=start_line)
+            )
+            + "\n"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/unicode.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/unicode.py
new file mode 100644
index 00000000..06526203
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/unicode.py
@@ -0,0 +1,352 @@
+# unicode.py
+
+import sys
+from itertools import filterfalse
+from typing import List, Tuple, Union
+
+
+class _lazyclassproperty:
+    def __init__(self, fn):
+        self.fn = fn
+        self.__doc__ = fn.__doc__
+        self.__name__ = fn.__name__
+
+    def __get__(self, obj, cls):
+        if cls is None:
+            cls = type(obj)
+        if not hasattr(cls, "_intern") or any(
+            cls._intern is getattr(superclass, "_intern", [])
+            for superclass in cls.__mro__[1:]
+        ):
+            cls._intern = {}
+        attrname = self.fn.__name__
+        if attrname not in cls._intern:
+            cls._intern[attrname] = self.fn(cls)
+        return cls._intern[attrname]
+
+
+UnicodeRangeList = List[Union[Tuple[int, int], Tuple[int]]]
+
+
+class unicode_set:
+    """
+    A set of Unicode characters, for language-specific strings for
+    ``alphas``, ``nums``, ``alphanums``, and ``printables``.
+    A unicode_set is defined by a list of ranges in the Unicode character
+    set, in a class attribute ``_ranges``. Ranges can be specified using
+    2-tuples or a 1-tuple, such as::
+
+        _ranges = [
+            (0x0020, 0x007e),
+            (0x00a0, 0x00ff),
+            (0x0100,),
+            ]
+
+    Ranges are left- and right-inclusive. A 1-tuple of (x,) is treated as (x, x).
+
+    A unicode set can also be defined using multiple inheritance of other unicode sets::
+
+        class CJK(Chinese, Japanese, Korean):
+            pass
+    """
+
+    _ranges: UnicodeRangeList = []
+
+    @_lazyclassproperty
+    def _chars_for_ranges(cls):
+        ret = []
+        for cc in cls.__mro__:
+            if cc is unicode_set:
+                break
+            for rr in getattr(cc, "_ranges", ()):
+                ret.extend(range(rr[0], rr[-1] + 1))
+        return [chr(c) for c in sorted(set(ret))]
+
+    @_lazyclassproperty
+    def printables(cls):
+        "all non-whitespace characters in this range"
+        return "".join(filterfalse(str.isspace, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphas(cls):
+        "all alphabetic characters in this range"
+        return "".join(filter(str.isalpha, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def nums(cls):
+        "all numeric digit characters in this range"
+        return "".join(filter(str.isdigit, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphanums(cls):
+        "all alphanumeric characters in this range"
+        return cls.alphas + cls.nums
+
+    @_lazyclassproperty
+    def identchars(cls):
+        "all characters in this range that are valid identifier characters, plus underscore '_'"
+        return "".join(
+            sorted(
+                set(
+                    "".join(filter(str.isidentifier, cls._chars_for_ranges))
+                    + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzªµº"
+                    + "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ"
+                    + "_"
+                )
+            )
+        )
+
+    @_lazyclassproperty
+    def identbodychars(cls):
+        """
+        all characters in this range that are valid identifier body characters,
+        plus the digits 0-9
+        """
+        return "".join(
+            sorted(
+                set(
+                    cls.identchars
+                    + "0123456789"
+                    + "".join(
+                        [c for c in cls._chars_for_ranges if ("_" + c).isidentifier()]
+                    )
+                )
+            )
+        )
+
+
+class pyparsing_unicode(unicode_set):
+    """
+    A namespace class for defining common language unicode_sets.
+    """
+
+    # fmt: off
+
+    # define ranges in language character sets
+    _ranges: UnicodeRangeList = [
+        (0x0020, sys.maxunicode),
+    ]
+
+    class BasicMultilingualPlane(unicode_set):
+        "Unicode set for the Basic Multilingual Plane"
+        _ranges: UnicodeRangeList = [
+            (0x0020, 0xFFFF),
+        ]
+
+    class Latin1(unicode_set):
+        "Unicode set for Latin-1 Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0020, 0x007E),
+            (0x00A0, 0x00FF),
+        ]
+
+    class LatinA(unicode_set):
+        "Unicode set for Latin-A Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0100, 0x017F),
+        ]
+
+    class LatinB(unicode_set):
+        "Unicode set for Latin-B Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0180, 0x024F),
+        ]
+
+    class Greek(unicode_set):
+        "Unicode set for Greek Unicode Character Ranges"
+        _ranges: UnicodeRangeList = [
+            (0x0342, 0x0345),
+            (0x0370, 0x0377),
+            (0x037A, 0x037F),
+            (0x0384, 0x038A),
+            (0x038C,),
+            (0x038E, 0x03A1),
+            (0x03A3, 0x03E1),
+            (0x03F0, 0x03FF),
+            (0x1D26, 0x1D2A),
+            (0x1D5E,),
+            (0x1D60,),
+            (0x1D66, 0x1D6A),
+            (0x1F00, 0x1F15),
+            (0x1F18, 0x1F1D),
+            (0x1F20, 0x1F45),
+            (0x1F48, 0x1F4D),
+            (0x1F50, 0x1F57),
+            (0x1F59,),
+            (0x1F5B,),
+            (0x1F5D,),
+            (0x1F5F, 0x1F7D),
+            (0x1F80, 0x1FB4),
+            (0x1FB6, 0x1FC4),
+            (0x1FC6, 0x1FD3),
+            (0x1FD6, 0x1FDB),
+            (0x1FDD, 0x1FEF),
+            (0x1FF2, 0x1FF4),
+            (0x1FF6, 0x1FFE),
+            (0x2129,),
+            (0x2719, 0x271A),
+            (0xAB65,),
+            (0x10140, 0x1018D),
+            (0x101A0,),
+            (0x1D200, 0x1D245),
+            (0x1F7A1, 0x1F7A7),
+        ]
+
+    class Cyrillic(unicode_set):
+        "Unicode set for Cyrillic Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0400, 0x052F),
+            (0x1C80, 0x1C88),
+            (0x1D2B,),
+            (0x1D78,),
+            (0x2DE0, 0x2DFF),
+            (0xA640, 0xA672),
+            (0xA674, 0xA69F),
+            (0xFE2E, 0xFE2F),
+        ]
+
+    class Chinese(unicode_set):
+        "Unicode set for Chinese Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x2E80, 0x2E99),
+            (0x2E9B, 0x2EF3),
+            (0x31C0, 0x31E3),
+            (0x3400, 0x4DB5),
+            (0x4E00, 0x9FEF),
+            (0xA700, 0xA707),
+            (0xF900, 0xFA6D),
+            (0xFA70, 0xFAD9),
+            (0x16FE2, 0x16FE3),
+            (0x1F210, 0x1F212),
+            (0x1F214, 0x1F23B),
+            (0x1F240, 0x1F248),
+            (0x20000, 0x2A6D6),
+            (0x2A700, 0x2B734),
+            (0x2B740, 0x2B81D),
+            (0x2B820, 0x2CEA1),
+            (0x2CEB0, 0x2EBE0),
+            (0x2F800, 0x2FA1D),
+        ]
+
+    class Japanese(unicode_set):
+        "Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana ranges"
+        _ranges: UnicodeRangeList = []
+
+        class Kanji(unicode_set):
+            "Unicode set for Kanji Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x4E00, 0x9FBF),
+                (0x3000, 0x303F),
+            ]
+
+        class Hiragana(unicode_set):
+            "Unicode set for Hiragana Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x3041, 0x3096),
+                (0x3099, 0x30A0),
+                (0x30FC,),
+                (0xFF70,),
+                (0x1B001,),
+                (0x1B150, 0x1B152),
+                (0x1F200,),
+            ]
+
+        class Katakana(unicode_set):
+            "Unicode set for Katakana  Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x3099, 0x309C),
+                (0x30A0, 0x30FF),
+                (0x31F0, 0x31FF),
+                (0x32D0, 0x32FE),
+                (0xFF65, 0xFF9F),
+                (0x1B000,),
+                (0x1B164, 0x1B167),
+                (0x1F201, 0x1F202),
+                (0x1F213,),
+            ]
+
+    class Hangul(unicode_set):
+        "Unicode set for Hangul (Korean) Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x1100, 0x11FF),
+            (0x302E, 0x302F),
+            (0x3131, 0x318E),
+            (0x3200, 0x321C),
+            (0x3260, 0x327B),
+            (0x327E,),
+            (0xA960, 0xA97C),
+            (0xAC00, 0xD7A3),
+            (0xD7B0, 0xD7C6),
+            (0xD7CB, 0xD7FB),
+            (0xFFA0, 0xFFBE),
+            (0xFFC2, 0xFFC7),
+            (0xFFCA, 0xFFCF),
+            (0xFFD2, 0xFFD7),
+            (0xFFDA, 0xFFDC),
+        ]
+
+    Korean = Hangul
+
+    class CJK(Chinese, Japanese, Hangul):
+        "Unicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character Range"
+
+    class Thai(unicode_set):
+        "Unicode set for Thai Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0E01, 0x0E3A),
+            (0x0E3F, 0x0E5B)
+        ]
+
+    class Arabic(unicode_set):
+        "Unicode set for Arabic Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0600, 0x061B),
+            (0x061E, 0x06FF),
+            (0x0700, 0x077F),
+        ]
+
+    class Hebrew(unicode_set):
+        "Unicode set for Hebrew Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0591, 0x05C7),
+            (0x05D0, 0x05EA),
+            (0x05EF, 0x05F4),
+            (0xFB1D, 0xFB36),
+            (0xFB38, 0xFB3C),
+            (0xFB3E,),
+            (0xFB40, 0xFB41),
+            (0xFB43, 0xFB44),
+            (0xFB46, 0xFB4F),
+        ]
+
+    class Devanagari(unicode_set):
+        "Unicode set for Devanagari Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0900, 0x097F),
+            (0xA8E0, 0xA8FF)
+        ]
+
+    # fmt: on
+
+
+pyparsing_unicode.Japanese._ranges = (
+    pyparsing_unicode.Japanese.Kanji._ranges
+    + pyparsing_unicode.Japanese.Hiragana._ranges
+    + pyparsing_unicode.Japanese.Katakana._ranges
+)
+
+pyparsing_unicode.BMP = pyparsing_unicode.BasicMultilingualPlane
+
+# add language identifiers using language Unicode
+pyparsing_unicode.العربية = pyparsing_unicode.Arabic
+pyparsing_unicode.中文 = pyparsing_unicode.Chinese
+pyparsing_unicode.кириллица = pyparsing_unicode.Cyrillic
+pyparsing_unicode.Ελληνικά = pyparsing_unicode.Greek
+pyparsing_unicode.עִברִית = pyparsing_unicode.Hebrew
+pyparsing_unicode.日本語 = pyparsing_unicode.Japanese
+pyparsing_unicode.Japanese.漢字 = pyparsing_unicode.Japanese.Kanji
+pyparsing_unicode.Japanese.カタカナ = pyparsing_unicode.Japanese.Katakana
+pyparsing_unicode.Japanese.ひらがな = pyparsing_unicode.Japanese.Hiragana
+pyparsing_unicode.한국어 = pyparsing_unicode.Korean
+pyparsing_unicode.ไทย = pyparsing_unicode.Thai
+pyparsing_unicode.देवनागरी = pyparsing_unicode.Devanagari
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/util.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/util.py
new file mode 100644
index 00000000..34ce092c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/pyparsing/util.py
@@ -0,0 +1,235 @@
+# util.py
+import warnings
+import types
+import collections
+import itertools
+from functools import lru_cache
+from typing import List, Union, Iterable
+
+_bslash = chr(92)
+
+
+class __config_flags:
+    """Internal class for defining compatibility and debugging flags"""
+
+    _all_names: List[str] = []
+    _fixed_names: List[str] = []
+    _type_desc = "configuration"
+
+    @classmethod
+    def _set(cls, dname, value):
+        if dname in cls._fixed_names:
+            warnings.warn(
+                "{}.{} {} is {} and cannot be overridden".format(
+                    cls.__name__,
+                    dname,
+                    cls._type_desc,
+                    str(getattr(cls, dname)).upper(),
+                )
+            )
+            return
+        if dname in cls._all_names:
+            setattr(cls, dname, value)
+        else:
+            raise ValueError("no such {} {!r}".format(cls._type_desc, dname))
+
+    enable = classmethod(lambda cls, name: cls._set(name, True))
+    disable = classmethod(lambda cls, name: cls._set(name, False))
+
+
+@lru_cache(maxsize=128)
+def col(loc: int, strg: str) -> int:
+    """
+    Returns current column within a string, counting newlines as line separators.
+    The first column is number 1.
+
+    Note: the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See
+    :class:`ParserElement.parseString` for more
+    information on parsing strings containing ``<TAB>`` s, and suggested
+    methods to maintain a consistent view of the parsed string, the parse
+    location, and line and column positions within the parsed string.
+    """
+    s = strg
+    return 1 if 0 < loc < len(s) and s[loc - 1] == "\n" else loc - s.rfind("\n", 0, loc)
+
+
+@lru_cache(maxsize=128)
+def lineno(loc: int, strg: str) -> int:
+    """Returns current line number within a string, counting newlines as line separators.
+    The first line is number 1.
+
+    Note - the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See :class:`ParserElement.parseString`
+    for more information on parsing strings containing ``<TAB>`` s, and
+    suggested methods to maintain a consistent view of the parsed string, the
+    parse location, and line and column positions within the parsed string.
+    """
+    return strg.count("\n", 0, loc) + 1
+
+
+@lru_cache(maxsize=128)
+def line(loc: int, strg: str) -> str:
+    """
+    Returns the line of text containing loc within a string, counting newlines as line separators.
+    """
+    last_cr = strg.rfind("\n", 0, loc)
+    next_cr = strg.find("\n", loc)
+    return strg[last_cr + 1 : next_cr] if next_cr >= 0 else strg[last_cr + 1 :]
+
+
+class _UnboundedCache:
+    def __init__(self):
+        cache = {}
+        cache_get = cache.get
+        self.not_in_cache = not_in_cache = object()
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+
+        def clear(_):
+            cache.clear()
+
+        self.size = None
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class _FifoCache:
+    def __init__(self, size):
+        self.not_in_cache = not_in_cache = object()
+        cache = collections.OrderedDict()
+        cache_get = cache.get
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+            while len(cache) > size:
+                cache.popitem(last=False)
+
+        def clear(_):
+            cache.clear()
+
+        self.size = size
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class LRUMemo:
+    """
+    A memoizing mapping that retains `capacity` deleted items
+
+    The memo tracks retained items by their access order; once `capacity` items
+    are retained, the least recently used item is discarded.
+    """
+
+    def __init__(self, capacity):
+        self._capacity = capacity
+        self._active = {}
+        self._memory = collections.OrderedDict()
+
+    def __getitem__(self, key):
+        try:
+            return self._active[key]
+        except KeyError:
+            self._memory.move_to_end(key)
+            return self._memory[key]
+
+    def __setitem__(self, key, value):
+        self._memory.pop(key, None)
+        self._active[key] = value
+
+    def __delitem__(self, key):
+        try:
+            value = self._active.pop(key)
+        except KeyError:
+            pass
+        else:
+            while len(self._memory) >= self._capacity:
+                self._memory.popitem(last=False)
+            self._memory[key] = value
+
+    def clear(self):
+        self._active.clear()
+        self._memory.clear()
+
+
+class UnboundedMemo(dict):
+    """
+    A memoizing mapping that retains all deleted items
+    """
+
+    def __delitem__(self, key):
+        pass
+
+
+def _escape_regex_range_chars(s: str) -> str:
+    # escape these chars: ^-[]
+    for c in r"\^-[]":
+        s = s.replace(c, _bslash + c)
+    s = s.replace("\n", r"\n")
+    s = s.replace("\t", r"\t")
+    return str(s)
+
+
+def _collapse_string_to_ranges(
+    s: Union[str, Iterable[str]], re_escape: bool = True
+) -> str:
+    def is_consecutive(c):
+        c_int = ord(c)
+        is_consecutive.prev, prev = c_int, is_consecutive.prev
+        if c_int - prev > 1:
+            is_consecutive.value = next(is_consecutive.counter)
+        return is_consecutive.value
+
+    is_consecutive.prev = 0
+    is_consecutive.counter = itertools.count()
+    is_consecutive.value = -1
+
+    def escape_re_range_char(c):
+        return "\\" + c if c in r"\^-][" else c
+
+    def no_escape_re_range_char(c):
+        return c
+
+    if not re_escape:
+        escape_re_range_char = no_escape_re_range_char
+
+    ret = []
+    s = "".join(sorted(set(s)))
+    if len(s) > 3:
+        for _, chars in itertools.groupby(s, key=is_consecutive):
+            first = last = next(chars)
+            last = collections.deque(
+                itertools.chain(iter([last]), chars), maxlen=1
+            ).pop()
+            if first == last:
+                ret.append(escape_re_range_char(first))
+            else:
+                sep = "" if ord(last) == ord(first) + 1 else "-"
+                ret.append(
+                    "{}{}{}".format(
+                        escape_re_range_char(first), sep, escape_re_range_char(last)
+                    )
+                )
+    else:
+        ret = [escape_re_range_char(c) for c in s]
+
+    return "".join(ret)
+
+
+def _flatten(ll: list) -> list:
+    ret = []
+    for i in ll:
+        if isinstance(i, list):
+            ret.extend(_flatten(i))
+        else:
+            ret.append(i)
+    return ret
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/zipp.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/zipp.py
new file mode 100644
index 00000000..26b723c1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/_vendor/zipp.py
@@ -0,0 +1,329 @@
+import io
+import posixpath
+import zipfile
+import itertools
+import contextlib
+import sys
+import pathlib
+
+if sys.version_info < (3, 7):
+    from collections import OrderedDict
+else:
+    OrderedDict = dict
+
+
+__all__ = ['Path']
+
+
+def _parents(path):
+    """
+    Given a path with elements separated by
+    posixpath.sep, generate all parents of that path.
+
+    >>> list(_parents('b/d'))
+    ['b']
+    >>> list(_parents('/b/d/'))
+    ['/b']
+    >>> list(_parents('b/d/f/'))
+    ['b/d', 'b']
+    >>> list(_parents('b'))
+    []
+    >>> list(_parents(''))
+    []
+    """
+    return itertools.islice(_ancestry(path), 1, None)
+
+
+def _ancestry(path):
+    """
+    Given a path with elements separated by
+    posixpath.sep, generate all elements of that path
+
+    >>> list(_ancestry('b/d'))
+    ['b/d', 'b']
+    >>> list(_ancestry('/b/d/'))
+    ['/b/d', '/b']
+    >>> list(_ancestry('b/d/f/'))
+    ['b/d/f', 'b/d', 'b']
+    >>> list(_ancestry('b'))
+    ['b']
+    >>> list(_ancestry(''))
+    []
+    """
+    path = path.rstrip(posixpath.sep)
+    while path and path != posixpath.sep:
+        yield path
+        path, tail = posixpath.split(path)
+
+
+_dedupe = OrderedDict.fromkeys
+"""Deduplicate an iterable in original order"""
+
+
+def _difference(minuend, subtrahend):
+    """
+    Return items in minuend not in subtrahend, retaining order
+    with O(1) lookup.
+    """
+    return itertools.filterfalse(set(subtrahend).__contains__, minuend)
+
+
+class CompleteDirs(zipfile.ZipFile):
+    """
+    A ZipFile subclass that ensures that implied directories
+    are always included in the namelist.
+    """
+
+    @staticmethod
+    def _implied_dirs(names):
+        parents = itertools.chain.from_iterable(map(_parents, names))
+        as_dirs = (p + posixpath.sep for p in parents)
+        return _dedupe(_difference(as_dirs, names))
+
+    def namelist(self):
+        names = super(CompleteDirs, self).namelist()
+        return names + list(self._implied_dirs(names))
+
+    def _name_set(self):
+        return set(self.namelist())
+
+    def resolve_dir(self, name):
+        """
+        If the name represents a directory, return that name
+        as a directory (with the trailing slash).
+        """
+        names = self._name_set()
+        dirname = name + '/'
+        dir_match = name not in names and dirname in names
+        return dirname if dir_match else name
+
+    @classmethod
+    def make(cls, source):
+        """
+        Given a source (filename or zipfile), return an
+        appropriate CompleteDirs subclass.
+        """
+        if isinstance(source, CompleteDirs):
+            return source
+
+        if not isinstance(source, zipfile.ZipFile):
+            return cls(_pathlib_compat(source))
+
+        # Only allow for FastLookup when supplied zipfile is read-only
+        if 'r' not in source.mode:
+            cls = CompleteDirs
+
+        source.__class__ = cls
+        return source
+
+
+class FastLookup(CompleteDirs):
+    """
+    ZipFile subclass to ensure implicit
+    dirs exist and are resolved rapidly.
+    """
+
+    def namelist(self):
+        with contextlib.suppress(AttributeError):
+            return self.__names
+        self.__names = super(FastLookup, self).namelist()
+        return self.__names
+
+    def _name_set(self):
+        with contextlib.suppress(AttributeError):
+            return self.__lookup
+        self.__lookup = super(FastLookup, self)._name_set()
+        return self.__lookup
+
+
+def _pathlib_compat(path):
+    """
+    For path-like objects, convert to a filename for compatibility
+    on Python 3.6.1 and earlier.
+    """
+    try:
+        return path.__fspath__()
+    except AttributeError:
+        return str(path)
+
+
+class Path:
+    """
+    A pathlib-compatible interface for zip files.
+
+    Consider a zip file with this structure::
+
+        .
+        ├── a.txt
+        └── b
+            ├── c.txt
+            └── d
+                └── e.txt
+
+    >>> data = io.BytesIO()
+    >>> zf = zipfile.ZipFile(data, 'w')
+    >>> zf.writestr('a.txt', 'content of a')
+    >>> zf.writestr('b/c.txt', 'content of c')
+    >>> zf.writestr('b/d/e.txt', 'content of e')
+    >>> zf.filename = 'mem/abcde.zip'
+
+    Path accepts the zipfile object itself or a filename
+
+    >>> root = Path(zf)
+
+    From there, several path operations are available.
+
+    Directory iteration (including the zip file itself):
+
+    >>> a, b = root.iterdir()
+    >>> a
+    Path('mem/abcde.zip', 'a.txt')
+    >>> b
+    Path('mem/abcde.zip', 'b/')
+
+    name property:
+
+    >>> b.name
+    'b'
+
+    join with divide operator:
+
+    >>> c = b / 'c.txt'
+    >>> c
+    Path('mem/abcde.zip', 'b/c.txt')
+    >>> c.name
+    'c.txt'
+
+    Read text:
+
+    >>> c.read_text()
+    'content of c'
+
+    existence:
+
+    >>> c.exists()
+    True
+    >>> (b / 'missing.txt').exists()
+    False
+
+    Coercion to string:
+
+    >>> import os
+    >>> str(c).replace(os.sep, posixpath.sep)
+    'mem/abcde.zip/b/c.txt'
+
+    At the root, ``name``, ``filename``, and ``parent``
+    resolve to the zipfile. Note these attributes are not
+    valid and will raise a ``ValueError`` if the zipfile
+    has no filename.
+
+    >>> root.name
+    'abcde.zip'
+    >>> str(root.filename).replace(os.sep, posixpath.sep)
+    'mem/abcde.zip'
+    >>> str(root.parent)
+    'mem'
+    """
+
+    __repr = "{self.__class__.__name__}({self.root.filename!r}, {self.at!r})"
+
+    def __init__(self, root, at=""):
+        """
+        Construct a Path from a ZipFile or filename.
+
+        Note: When the source is an existing ZipFile object,
+        its type (__class__) will be mutated to a
+        specialized type. If the caller wishes to retain the
+        original type, the caller should either create a
+        separate ZipFile object or pass a filename.
+        """
+        self.root = FastLookup.make(root)
+        self.at = at
+
+    def open(self, mode='r', *args, pwd=None, **kwargs):
+        """
+        Open this entry as text or binary following the semantics
+        of ``pathlib.Path.open()`` by passing arguments through
+        to io.TextIOWrapper().
+        """
+        if self.is_dir():
+            raise IsADirectoryError(self)
+        zip_mode = mode[0]
+        if not self.exists() and zip_mode == 'r':
+            raise FileNotFoundError(self)
+        stream = self.root.open(self.at, zip_mode, pwd=pwd)
+        if 'b' in mode:
+            if args or kwargs:
+                raise ValueError("encoding args invalid for binary operation")
+            return stream
+        return io.TextIOWrapper(stream, *args, **kwargs)
+
+    @property
+    def name(self):
+        return pathlib.Path(self.at).name or self.filename.name
+
+    @property
+    def suffix(self):
+        return pathlib.Path(self.at).suffix or self.filename.suffix
+
+    @property
+    def suffixes(self):
+        return pathlib.Path(self.at).suffixes or self.filename.suffixes
+
+    @property
+    def stem(self):
+        return pathlib.Path(self.at).stem or self.filename.stem
+
+    @property
+    def filename(self):
+        return pathlib.Path(self.root.filename).joinpath(self.at)
+
+    def read_text(self, *args, **kwargs):
+        with self.open('r', *args, **kwargs) as strm:
+            return strm.read()
+
+    def read_bytes(self):
+        with self.open('rb') as strm:
+            return strm.read()
+
+    def _is_child(self, path):
+        return posixpath.dirname(path.at.rstrip("/")) == self.at.rstrip("/")
+
+    def _next(self, at):
+        return self.__class__(self.root, at)
+
+    def is_dir(self):
+        return not self.at or self.at.endswith("/")
+
+    def is_file(self):
+        return self.exists() and not self.is_dir()
+
+    def exists(self):
+        return self.at in self.root._name_set()
+
+    def iterdir(self):
+        if not self.is_dir():
+            raise ValueError("Can't listdir a file")
+        subs = map(self._next, self.root.namelist())
+        return filter(self._is_child, subs)
+
+    def __str__(self):
+        return posixpath.join(self.root.filename, self.at)
+
+    def __repr__(self):
+        return self.__repr.format(self=self)
+
+    def joinpath(self, *other):
+        next = posixpath.join(self.at, *map(_pathlib_compat, other))
+        return self._next(self.root.resolve_dir(next))
+
+    __truediv__ = joinpath
+
+    @property
+    def parent(self):
+        if not self.at:
+            return self.filename.parent
+        parent_at = posixpath.dirname(self.at.rstrip('/'))
+        if parent_at:
+            parent_at += '/'
+        return self._next(parent_at)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/extern/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/extern/__init__.py
new file mode 100644
index 00000000..70897eea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/extern/__init__.py
@@ -0,0 +1,76 @@
+import importlib.util
+import sys
+
+
+class VendorImporter:
+    """
+    A PEP 302 meta path importer for finding optionally-vendored
+    or otherwise naturally-installed packages from root_name.
+    """
+
+    def __init__(self, root_name, vendored_names=(), vendor_pkg=None):
+        self.root_name = root_name
+        self.vendored_names = set(vendored_names)
+        self.vendor_pkg = vendor_pkg or root_name.replace('extern', '_vendor')
+
+    @property
+    def search_path(self):
+        """
+        Search first the vendor package then as a natural package.
+        """
+        yield self.vendor_pkg + '.'
+        yield ''
+
+    def _module_matches_namespace(self, fullname):
+        """Figure out if the target module is vendored."""
+        root, base, target = fullname.partition(self.root_name + '.')
+        return not root and any(map(target.startswith, self.vendored_names))
+
+    def load_module(self, fullname):
+        """
+        Iterate over the search path to locate and load fullname.
+        """
+        root, base, target = fullname.partition(self.root_name + '.')
+        for prefix in self.search_path:
+            try:
+                extant = prefix + target
+                __import__(extant)
+                mod = sys.modules[extant]
+                sys.modules[fullname] = mod
+                return mod
+            except ImportError:
+                pass
+        else:
+            raise ImportError(
+                "The '{target}' package is required; "
+                "normally this is bundled with this package so if you get "
+                "this warning, consult the packager of your "
+                "distribution.".format(**locals())
+            )
+
+    def create_module(self, spec):
+        return self.load_module(spec.name)
+
+    def exec_module(self, module):
+        pass
+
+    def find_spec(self, fullname, path=None, target=None):
+        """Return a module spec for vendored names."""
+        return (
+            importlib.util.spec_from_loader(fullname, self)
+            if self._module_matches_namespace(fullname) else None
+        )
+
+    def install(self):
+        """
+        Install this importer into sys.meta_path if not already present.
+        """
+        if self not in sys.meta_path:
+            sys.meta_path.append(self)
+
+
+names = (
+    'packaging', 'pyparsing', 'appdirs', 'jaraco', 'importlib_resources',
+    'more_itertools',
+)
+VendorImporter(__name__, names).install()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/extern/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/extern/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..1f0b2a56
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/pkg_resources/extern/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/INSTALLER b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/INSTALLER
new file mode 100644
index 00000000..a1b589e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/LICENSE b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/LICENSE
new file mode 100644
index 00000000..353924be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/LICENSE
@@ -0,0 +1,19 @@
+Copyright Jason R. Coombs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/METADATA b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/METADATA
new file mode 100644
index 00000000..9417a48a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/METADATA
@@ -0,0 +1,144 @@
+Metadata-Version: 2.1
+Name: setuptools
+Version: 65.5.0
+Summary: Easily download, build, install, upgrade, and uninstall Python packages
+Home-page: https://github.com/pypa/setuptools
+Author: Python Packaging Authority
+Author-email: distutils-sig@python.org
+Project-URL: Documentation, https://setuptools.pypa.io/
+Project-URL: Changelog, https://setuptools.pypa.io/en/stable/history.html
+Keywords: CPAN PyPI distutils eggs package management
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Classifier: Topic :: System :: Archiving :: Packaging
+Classifier: Topic :: System :: Systems Administration
+Classifier: Topic :: Utilities
+Requires-Python: >=3.7
+License-File: LICENSE
+Provides-Extra: certs
+Provides-Extra: docs
+Requires-Dist: sphinx (>=3.5) ; extra == 'docs'
+Requires-Dist: jaraco.packaging (>=9) ; extra == 'docs'
+Requires-Dist: rst.linker (>=1.9) ; extra == 'docs'
+Requires-Dist: furo ; extra == 'docs'
+Requires-Dist: jaraco.tidelift (>=1.4) ; extra == 'docs'
+Requires-Dist: pygments-github-lexers (==0.0.5) ; extra == 'docs'
+Requires-Dist: sphinx-favicon ; extra == 'docs'
+Requires-Dist: sphinx-inline-tabs ; extra == 'docs'
+Requires-Dist: sphinx-reredirects ; extra == 'docs'
+Requires-Dist: sphinxcontrib-towncrier ; extra == 'docs'
+Requires-Dist: sphinx-notfound-page (==0.8.3) ; extra == 'docs'
+Requires-Dist: sphinx-hoverxref (<2) ; extra == 'docs'
+Provides-Extra: ssl
+Provides-Extra: testing
+Requires-Dist: pytest (>=6) ; extra == 'testing'
+Requires-Dist: pytest-checkdocs (>=2.4) ; extra == 'testing'
+Requires-Dist: pytest-flake8 ; extra == 'testing'
+Requires-Dist: flake8 (<5) ; extra == 'testing'
+Requires-Dist: pytest-enabler (>=1.3) ; extra == 'testing'
+Requires-Dist: pytest-perf ; extra == 'testing'
+Requires-Dist: mock ; extra == 'testing'
+Requires-Dist: flake8-2020 ; extra == 'testing'
+Requires-Dist: virtualenv (>=13.0.0) ; extra == 'testing'
+Requires-Dist: wheel ; extra == 'testing'
+Requires-Dist: pip (>=19.1) ; extra == 'testing'
+Requires-Dist: jaraco.envs (>=2.2) ; extra == 'testing'
+Requires-Dist: pytest-xdist ; extra == 'testing'
+Requires-Dist: jaraco.path (>=3.2.0) ; extra == 'testing'
+Requires-Dist: build[virtualenv] ; extra == 'testing'
+Requires-Dist: filelock (>=3.4.0) ; extra == 'testing'
+Requires-Dist: pip-run (>=8.8) ; extra == 'testing'
+Requires-Dist: ini2toml[lite] (>=0.9) ; extra == 'testing'
+Requires-Dist: tomli-w (>=1.0.0) ; extra == 'testing'
+Provides-Extra: testing-integration
+Requires-Dist: pytest ; extra == 'testing-integration'
+Requires-Dist: pytest-xdist ; extra == 'testing-integration'
+Requires-Dist: pytest-enabler ; extra == 'testing-integration'
+Requires-Dist: virtualenv (>=13.0.0) ; extra == 'testing-integration'
+Requires-Dist: tomli ; extra == 'testing-integration'
+Requires-Dist: wheel ; extra == 'testing-integration'
+Requires-Dist: jaraco.path (>=3.2.0) ; extra == 'testing-integration'
+Requires-Dist: jaraco.envs (>=2.2) ; extra == 'testing-integration'
+Requires-Dist: build[virtualenv] ; extra == 'testing-integration'
+Requires-Dist: filelock (>=3.4.0) ; extra == 'testing-integration'
+Requires-Dist: pytest-black (>=0.3.7) ; (platform_python_implementation != "PyPy") and extra == 'testing'
+Requires-Dist: pytest-cov ; (platform_python_implementation != "PyPy") and extra == 'testing'
+Requires-Dist: pytest-mypy (>=0.9.1) ; (platform_python_implementation != "PyPy") and extra == 'testing'
+
+.. image:: https://raw.githubusercontent.com/pypa/setuptools/main/docs/images/banner-640x320.svg
+   :align: center
+
+|
+
+.. image:: https://img.shields.io/pypi/v/setuptools.svg
+   :target: `PyPI link`_
+
+.. image:: https://img.shields.io/pypi/pyversions/setuptools.svg
+   :target: `PyPI link`_
+
+.. _PyPI link: https://pypi.org/project/setuptools
+
+.. image:: https://github.com/pypa/setuptools/workflows/tests/badge.svg
+   :target: https://github.com/pypa/setuptools/actions?query=workflow%3A%22tests%22
+   :alt: tests
+
+.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
+   :target: https://github.com/psf/black
+   :alt: Code style: Black
+
+.. image:: https://img.shields.io/readthedocs/setuptools/latest.svg
+    :target: https://setuptools.pypa.io
+
+.. image:: https://img.shields.io/badge/skeleton-2022-informational
+   :target: https://blog.jaraco.com/skeleton
+
+.. image:: https://img.shields.io/codecov/c/github/pypa/setuptools/master.svg?logo=codecov&logoColor=white
+   :target: https://codecov.io/gh/pypa/setuptools
+
+.. image:: https://tidelift.com/badges/github/pypa/setuptools?style=flat
+   :target: https://tidelift.com/subscription/pkg/pypi-setuptools?utm_source=pypi-setuptools&utm_medium=readme
+
+.. image:: https://img.shields.io/discord/803025117553754132
+   :target: https://discord.com/channels/803025117553754132/815945031150993468
+   :alt: Discord
+
+See the `Installation Instructions
+<https://packaging.python.org/installing/>`_ in the Python Packaging
+User's Guide for instructions on installing, upgrading, and uninstalling
+Setuptools.
+
+Questions and comments should be directed to `GitHub Discussions
+<https://github.com/pypa/setuptools/discussions>`_.
+Bug reports and especially tested patches may be
+submitted directly to the `bug tracker
+<https://github.com/pypa/setuptools/issues>`_.
+
+
+Code of Conduct
+===============
+
+Everyone interacting in the setuptools project's codebases, issue trackers,
+chat rooms, and fora is expected to follow the
+`PSF Code of Conduct <https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md>`_.
+
+
+For Enterprise
+==============
+
+Available as part of the Tidelift Subscription.
+
+Setuptools and the maintainers of thousands of other packages are working with Tidelift to deliver one enterprise subscription that covers all of the open source you use.
+
+`Learn more <https://tidelift.com/subscription/pkg/pypi-setuptools?utm_source=pypi-setuptools&utm_medium=referral&utm_campaign=github>`_.
+
+
+Security Contact
+================
+
+To report a security vulnerability, please use the
+`Tidelift security contact <https://tidelift.com/security>`_.
+Tidelift will coordinate the fix and disclosure.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/RECORD b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/RECORD
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index 00000000..7c3ea903
--- /dev/null
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/REQUESTED b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/REQUESTED
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/WHEEL b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/WHEEL
new file mode 100644
index 00000000..becc9a66
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/WHEEL
@@ -0,0 +1,5 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.37.1)
+Root-Is-Purelib: true
+Tag: py3-none-any
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/entry_points.txt b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/entry_points.txt
new file mode 100644
index 00000000..93df463a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/entry_points.txt
@@ -0,0 +1,57 @@
+[distutils.commands]
+alias = setuptools.command.alias:alias
+bdist_egg = setuptools.command.bdist_egg:bdist_egg
+bdist_rpm = setuptools.command.bdist_rpm:bdist_rpm
+build = setuptools.command.build:build
+build_clib = setuptools.command.build_clib:build_clib
+build_ext = setuptools.command.build_ext:build_ext
+build_py = setuptools.command.build_py:build_py
+develop = setuptools.command.develop:develop
+dist_info = setuptools.command.dist_info:dist_info
+easy_install = setuptools.command.easy_install:easy_install
+editable_wheel = setuptools.command.editable_wheel:editable_wheel
+egg_info = setuptools.command.egg_info:egg_info
+install = setuptools.command.install:install
+install_egg_info = setuptools.command.install_egg_info:install_egg_info
+install_lib = setuptools.command.install_lib:install_lib
+install_scripts = setuptools.command.install_scripts:install_scripts
+rotate = setuptools.command.rotate:rotate
+saveopts = setuptools.command.saveopts:saveopts
+sdist = setuptools.command.sdist:sdist
+setopt = setuptools.command.setopt:setopt
+test = setuptools.command.test:test
+upload_docs = setuptools.command.upload_docs:upload_docs
+
+[distutils.setup_keywords]
+dependency_links = setuptools.dist:assert_string_list
+eager_resources = setuptools.dist:assert_string_list
+entry_points = setuptools.dist:check_entry_points
+exclude_package_data = setuptools.dist:check_package_data
+extras_require = setuptools.dist:check_extras
+include_package_data = setuptools.dist:assert_bool
+install_requires = setuptools.dist:check_requirements
+namespace_packages = setuptools.dist:check_nsp
+package_data = setuptools.dist:check_package_data
+packages = setuptools.dist:check_packages
+python_requires = setuptools.dist:check_specifier
+setup_requires = setuptools.dist:check_requirements
+test_loader = setuptools.dist:check_importable
+test_runner = setuptools.dist:check_importable
+test_suite = setuptools.dist:check_test_suite
+tests_require = setuptools.dist:check_requirements
+use_2to3 = setuptools.dist:invalid_unless_false
+zip_safe = setuptools.dist:assert_bool
+
+[egg_info.writers]
+PKG-INFO = setuptools.command.egg_info:write_pkg_info
+dependency_links.txt = setuptools.command.egg_info:overwrite_arg
+depends.txt = setuptools.command.egg_info:warn_depends_obsolete
+eager_resources.txt = setuptools.command.egg_info:overwrite_arg
+entry_points.txt = setuptools.command.egg_info:write_entries
+namespace_packages.txt = setuptools.command.egg_info:overwrite_arg
+requires.txt = setuptools.command.egg_info:write_requirements
+top_level.txt = setuptools.command.egg_info:write_toplevel_names
+
+[setuptools.finalize_distribution_options]
+keywords = setuptools.dist:Distribution._finalize_setup_keywords
+parent_finalize = setuptools.dist:_Distribution.finalize_options
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/top_level.txt b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/top_level.txt
new file mode 100644
index 00000000..b5ac1070
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools-65.5.0.dist-info/top_level.txt
@@ -0,0 +1,3 @@
+_distutils_hack
+pkg_resources
+setuptools
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/__init__.py
new file mode 100644
index 00000000..6c24cc2b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/__init__.py
@@ -0,0 +1,247 @@
+"""Extensions to the 'distutils' for large or complex distributions"""
+
+import functools
+import os
+import re
+import warnings
+
+import _distutils_hack.override  # noqa: F401
+
+import distutils.core
+from distutils.errors import DistutilsOptionError
+from distutils.util import convert_path as _convert_path
+
+from ._deprecation_warning import SetuptoolsDeprecationWarning
+
+import setuptools.version
+from setuptools.extension import Extension
+from setuptools.dist import Distribution
+from setuptools.depends import Require
+from setuptools.discovery import PackageFinder, PEP420PackageFinder
+from . import monkey
+from . import logging
+
+
+__all__ = [
+    'setup',
+    'Distribution',
+    'Command',
+    'Extension',
+    'Require',
+    'SetuptoolsDeprecationWarning',
+    'find_packages',
+    'find_namespace_packages',
+]
+
+__version__ = setuptools.version.__version__
+
+bootstrap_install_from = None
+
+
+find_packages = PackageFinder.find
+find_namespace_packages = PEP420PackageFinder.find
+
+
+def _install_setup_requires(attrs):
+    # Note: do not use `setuptools.Distribution` directly, as
+    # our PEP 517 backend patch `distutils.core.Distribution`.
+    class MinimalDistribution(distutils.core.Distribution):
+        """
+        A minimal version of a distribution for supporting the
+        fetch_build_eggs interface.
+        """
+
+        def __init__(self, attrs):
+            _incl = 'dependency_links', 'setup_requires'
+            filtered = {k: attrs[k] for k in set(_incl) & set(attrs)}
+            super().__init__(filtered)
+            # Prevent accidentally triggering discovery with incomplete set of attrs
+            self.set_defaults._disable()
+
+        def _get_project_config_files(self, filenames=None):
+            """Ignore ``pyproject.toml``, they are not related to setup_requires"""
+            try:
+                cfg, toml = super()._split_standard_project_metadata(filenames)
+                return cfg, ()
+            except Exception:
+                return filenames, ()
+
+        def finalize_options(self):
+            """
+            Disable finalize_options to avoid building the working set.
+            Ref #2158.
+            """
+
+    dist = MinimalDistribution(attrs)
+
+    # Honor setup.cfg's options.
+    dist.parse_config_files(ignore_option_errors=True)
+    if dist.setup_requires:
+        dist.fetch_build_eggs(dist.setup_requires)
+
+
+def setup(**attrs):
+    # Make sure we have any requirements needed to interpret 'attrs'.
+    logging.configure()
+    _install_setup_requires(attrs)
+    return distutils.core.setup(**attrs)
+
+
+setup.__doc__ = distutils.core.setup.__doc__
+
+
+_Command = monkey.get_unpatched(distutils.core.Command)
+
+
+class Command(_Command):
+    """
+    Setuptools internal actions are organized using a *command design pattern*.
+    This means that each action (or group of closely related actions) executed during
+    the build should be implemented as a ``Command`` subclass.
+
+    These commands are abstractions and do not necessarily correspond to a command that
+    can (or should) be executed via a terminal, in a CLI fashion (although historically
+    they would).
+
+    When creating a new command from scratch, custom defined classes **SHOULD** inherit
+    from ``setuptools.Command`` and implement a few mandatory methods.
+    Between these mandatory methods, are listed:
+
+    .. method:: initialize_options(self)
+
+        Set or (reset) all options/attributes/caches used by the command
+        to their default values. Note that these values may be overwritten during
+        the build.
+
+    .. method:: finalize_options(self)
+
+        Set final values for all options/attributes used by the command.
+        Most of the time, each option/attribute/cache should only be set if it does not
+        have any value yet (e.g. ``if self.attr is None: self.attr = val``).
+
+    .. method:: run(self)
+
+        Execute the actions intended by the command.
+        (Side effects **SHOULD** only take place when ``run`` is executed,
+        for example, creating new files or writing to the terminal output).
+
+    A useful analogy for command classes is to think of them as subroutines with local
+    variables called "options".  The options are "declared" in ``initialize_options()``
+    and "defined" (given their final values, aka "finalized") in ``finalize_options()``,
+    both of which must be defined by every command class. The "body" of the subroutine,
+    (where it does all the work) is the ``run()`` method.
+    Between ``initialize_options()`` and ``finalize_options()``, ``setuptools`` may set
+    the values for options/attributes based on user's input (or circumstance),
+    which means that the implementation should be careful to not overwrite values in
+    ``finalize_options`` unless necessary.
+
+    Please note that other commands (or other parts of setuptools) may also overwrite
+    the values of the command's options/attributes multiple times during the build
+    process.
+    Therefore it is important to consistently implement ``initialize_options()`` and
+    ``finalize_options()``. For example, all derived attributes (or attributes that
+    depend on the value of other attributes) **SHOULD** be recomputed in
+    ``finalize_options``.
+
+    When overwriting existing commands, custom defined classes **MUST** abide by the
+    same APIs implemented by the original class. They also **SHOULD** inherit from the
+    original class.
+    """
+
+    command_consumes_arguments = False
+
+    def __init__(self, dist, **kw):
+        """
+        Construct the command for dist, updating
+        vars(self) with any keyword parameters.
+        """
+        super().__init__(dist)
+        vars(self).update(kw)
+
+    def _ensure_stringlike(self, option, what, default=None):
+        val = getattr(self, option)
+        if val is None:
+            setattr(self, option, default)
+            return default
+        elif not isinstance(val, str):
+            raise DistutilsOptionError(
+                "'%s' must be a %s (got `%s`)" % (option, what, val)
+            )
+        return val
+
+    def ensure_string_list(self, option):
+        r"""Ensure that 'option' is a list of strings.  If 'option' is
+        currently a string, we split it either on /,\s*/ or /\s+/, so
+        "foo bar baz", "foo,bar,baz", and "foo,   bar baz" all become
+        ["foo", "bar", "baz"].
+
+        ..
+           TODO: This method seems to be similar to the one in ``distutils.cmd``
+           Probably it is just here for backward compatibility with old Python versions?
+
+        :meta private:
+        """
+        val = getattr(self, option)
+        if val is None:
+            return
+        elif isinstance(val, str):
+            setattr(self, option, re.split(r',\s*|\s+', val))
+        else:
+            if isinstance(val, list):
+                ok = all(isinstance(v, str) for v in val)
+            else:
+                ok = False
+            if not ok:
+                raise DistutilsOptionError(
+                    "'%s' must be a list of strings (got %r)" % (option, val)
+                )
+
+    def reinitialize_command(self, command, reinit_subcommands=0, **kw):
+        cmd = _Command.reinitialize_command(self, command, reinit_subcommands)
+        vars(cmd).update(kw)
+        return cmd
+
+
+def _find_all_simple(path):
+    """
+    Find all files under 'path'
+    """
+    results = (
+        os.path.join(base, file)
+        for base, dirs, files in os.walk(path, followlinks=True)
+        for file in files
+    )
+    return filter(os.path.isfile, results)
+
+
+def findall(dir=os.curdir):
+    """
+    Find all files under 'dir' and return the list of full filenames.
+    Unless dir is '.', return full filenames with dir prepended.
+    """
+    files = _find_all_simple(dir)
+    if dir == os.curdir:
+        make_rel = functools.partial(os.path.relpath, start=dir)
+        files = map(make_rel, files)
+    return list(files)
+
+
+@functools.wraps(_convert_path)
+def convert_path(pathname):
+    from inspect import cleandoc
+
+    msg = """
+    The function `convert_path` is considered internal and not part of the public API.
+    Its direct usage by 3rd-party packages is considered deprecated and the function
+    may be removed in the future.
+    """
+    warnings.warn(cleandoc(msg), SetuptoolsDeprecationWarning)
+    return _convert_path(pathname)
+
+
+class sic(str):
+    """Treat this string as-is (https://en.wikipedia.org/wiki/Sic)"""
+
+
+# Apply monkey patches
+monkey.patch_all()
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_deprecation_warning.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_deprecation_warning.py
new file mode 100644
index 00000000..086b64dd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_deprecation_warning.py
@@ -0,0 +1,7 @@
+class SetuptoolsDeprecationWarning(Warning):
+    """
+    Base class for warning deprecations in ``setuptools``
+
+    This class is not derived from ``DeprecationWarning``, and as such is
+    visible by default.
+    """
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/__init__.py
@@ -0,0 +1,24 @@
+"""distutils
+
+The main package for the Python Module Distribution Utilities.  Normally
+used from a setup script as
+
+   from distutils.core import setup
+
+   setup (...)
+"""
+
+import sys
+import importlib
+
+__version__ = sys.version[: sys.version.index(' ')]
+
+
+try:
+    # Allow Debian and pkgsrc (only) to customize system
+    # behavior. Ref pypa/distutils#2 and pypa/distutils#16.
+    # This hook is deprecated and no other environments
+    # should use it.
+    importlib.import_module('_distutils_system_mod')
+except ImportError:
+    pass
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_collections.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_collections.py
new file mode 100644
index 00000000..98fce800
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_collections.py
@@ -0,0 +1,56 @@
+import collections
+import itertools
+
+
+# from jaraco.collections 3.5.1
+class DictStack(list, collections.abc.Mapping):
+    """
+    A stack of dictionaries that behaves as a view on those dictionaries,
+    giving preference to the last.
+
+    >>> stack = DictStack([dict(a=1, c=2), dict(b=2, a=2)])
+    >>> stack['a']
+    2
+    >>> stack['b']
+    2
+    >>> stack['c']
+    2
+    >>> len(stack)
+    3
+    >>> stack.push(dict(a=3))
+    >>> stack['a']
+    3
+    >>> set(stack.keys()) == set(['a', 'b', 'c'])
+    True
+    >>> set(stack.items()) == set([('a', 3), ('b', 2), ('c', 2)])
+    True
+    >>> dict(**stack) == dict(stack) == dict(a=3, c=2, b=2)
+    True
+    >>> d = stack.pop()
+    >>> stack['a']
+    2
+    >>> d = stack.pop()
+    >>> stack['a']
+    1
+    >>> stack.get('b', None)
+    >>> 'c' in stack
+    True
+    """
+
+    def __iter__(self):
+        dicts = list.__iter__(self)
+        return iter(set(itertools.chain.from_iterable(c.keys() for c in dicts)))
+
+    def __getitem__(self, key):
+        for scope in reversed(tuple(list.__iter__(self))):
+            if key in scope:
+                return scope[key]
+        raise KeyError(key)
+
+    push = list.append
+
+    def __contains__(self, other):
+        return collections.abc.Mapping.__contains__(self, other)
+
+    def __len__(self):
+        return len(list(iter(self)))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_functools.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_functools.py
new file mode 100644
index 00000000..e7053bac
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_functools.py
@@ -0,0 +1,20 @@
+import functools
+
+
+# from jaraco.functools 3.5
+def pass_none(func):
+    """
+    Wrap func so it's not called if its first param is None
+
+    >>> print_text = pass_none(print)
+    >>> print_text('text')
+    text
+    >>> print_text(None)
+    """
+
+    @functools.wraps(func)
+    def wrapper(param, *args, **kwargs):
+        if param is not None:
+            return func(param, *args, **kwargs)
+
+    return wrapper
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_macos_compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_macos_compat.py
new file mode 100644
index 00000000..17769e91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_macos_compat.py
@@ -0,0 +1,12 @@
+import sys
+import importlib
+
+
+def bypass_compiler_fixup(cmd, args):
+    return cmd
+
+
+if sys.platform == 'darwin':
+    compiler_fixup = importlib.import_module('_osx_support').compiler_fixup
+else:
+    compiler_fixup = bypass_compiler_fixup
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_msvccompiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_msvccompiler.py
new file mode 100644
index 00000000..729c2dd5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/_msvccompiler.py
@@ -0,0 +1,572 @@
+"""distutils._msvccompiler
+
+Contains MSVCCompiler, an implementation of the abstract CCompiler class
+for Microsoft Visual Studio 2015.
+
+The module is compatible with VS 2015 and later. You can find legacy support
+for older versions in distutils.msvc9compiler and distutils.msvccompiler.
+"""
+
+# Written by Perry Stoll
+# hacked by Robin Becker and Thomas Heller to do a better job of
+#   finding DevStudio (through the registry)
+# ported to VS 2005 and VS 2008 by Christian Heimes
+# ported to VS 2015 by Steve Dower
+
+import os
+import subprocess
+import contextlib
+import warnings
+import unittest.mock as mock
+
+with contextlib.suppress(ImportError):
+    import winreg
+
+from distutils.errors import (
+    DistutilsExecError,
+    DistutilsPlatformError,
+    CompileError,
+    LibError,
+    LinkError,
+)
+from distutils.ccompiler import CCompiler, gen_lib_options
+from distutils import log
+from distutils.util import get_platform
+
+from itertools import count
+
+
+def _find_vc2015():
+    try:
+        key = winreg.OpenKeyEx(
+            winreg.HKEY_LOCAL_MACHINE,
+            r"Software\Microsoft\VisualStudio\SxS\VC7",
+            access=winreg.KEY_READ | winreg.KEY_WOW64_32KEY,
+        )
+    except OSError:
+        log.debug("Visual C++ is not registered")
+        return None, None
+
+    best_version = 0
+    best_dir = None
+    with key:
+        for i in count():
+            try:
+                v, vc_dir, vt = winreg.EnumValue(key, i)
+            except OSError:
+                break
+            if v and vt == winreg.REG_SZ and os.path.isdir(vc_dir):
+                try:
+                    version = int(float(v))
+                except (ValueError, TypeError):
+                    continue
+                if version >= 14 and version > best_version:
+                    best_version, best_dir = version, vc_dir
+    return best_version, best_dir
+
+
+def _find_vc2017():
+    """Returns "15, path" based on the result of invoking vswhere.exe
+    If no install is found, returns "None, None"
+
+    The version is returned to avoid unnecessarily changing the function
+    result. It may be ignored when the path is not None.
+
+    If vswhere.exe is not available, by definition, VS 2017 is not
+    installed.
+    """
+    root = os.environ.get("ProgramFiles(x86)") or os.environ.get("ProgramFiles")
+    if not root:
+        return None, None
+
+    try:
+        path = subprocess.check_output(
+            [
+                os.path.join(
+                    root, "Microsoft Visual Studio", "Installer", "vswhere.exe"
+                ),
+                "-latest",
+                "-prerelease",
+                "-requires",
+                "Microsoft.VisualStudio.Component.VC.Tools.x86.x64",
+                "-property",
+                "installationPath",
+                "-products",
+                "*",
+            ],
+            encoding="mbcs",
+            errors="strict",
+        ).strip()
+    except (subprocess.CalledProcessError, OSError, UnicodeDecodeError):
+        return None, None
+
+    path = os.path.join(path, "VC", "Auxiliary", "Build")
+    if os.path.isdir(path):
+        return 15, path
+
+    return None, None
+
+
+PLAT_SPEC_TO_RUNTIME = {
+    'x86': 'x86',
+    'x86_amd64': 'x64',
+    'x86_arm': 'arm',
+    'x86_arm64': 'arm64',
+}
+
+
+def _find_vcvarsall(plat_spec):
+    # bpo-38597: Removed vcruntime return value
+    _, best_dir = _find_vc2017()
+
+    if not best_dir:
+        best_version, best_dir = _find_vc2015()
+
+    if not best_dir:
+        log.debug("No suitable Visual C++ version found")
+        return None, None
+
+    vcvarsall = os.path.join(best_dir, "vcvarsall.bat")
+    if not os.path.isfile(vcvarsall):
+        log.debug("%s cannot be found", vcvarsall)
+        return None, None
+
+    return vcvarsall, None
+
+
+def _get_vc_env(plat_spec):
+    if os.getenv("DISTUTILS_USE_SDK"):
+        return {key.lower(): value for key, value in os.environ.items()}
+
+    vcvarsall, _ = _find_vcvarsall(plat_spec)
+    if not vcvarsall:
+        raise DistutilsPlatformError("Unable to find vcvarsall.bat")
+
+    try:
+        out = subprocess.check_output(
+            f'cmd /u /c "{vcvarsall}" {plat_spec} && set',
+            stderr=subprocess.STDOUT,
+        ).decode('utf-16le', errors='replace')
+    except subprocess.CalledProcessError as exc:
+        log.error(exc.output)
+        raise DistutilsPlatformError(f"Error executing {exc.cmd}")
+
+    env = {
+        key.lower(): value
+        for key, _, value in (line.partition('=') for line in out.splitlines())
+        if key and value
+    }
+
+    return env
+
+
+def _find_exe(exe, paths=None):
+    """Return path to an MSVC executable program.
+
+    Tries to find the program in several places: first, one of the
+    MSVC program search paths from the registry; next, the directories
+    in the PATH environment variable.  If any of those work, return an
+    absolute path that is known to exist.  If none of them work, just
+    return the original program name, 'exe'.
+    """
+    if not paths:
+        paths = os.getenv('path').split(os.pathsep)
+    for p in paths:
+        fn = os.path.join(os.path.abspath(p), exe)
+        if os.path.isfile(fn):
+            return fn
+    return exe
+
+
+# A map keyed by get_platform() return values to values accepted by
+# 'vcvarsall.bat'. Always cross-compile from x86 to work with the
+# lighter-weight MSVC installs that do not include native 64-bit tools.
+PLAT_TO_VCVARS = {
+    'win32': 'x86',
+    'win-amd64': 'x86_amd64',
+    'win-arm32': 'x86_arm',
+    'win-arm64': 'x86_arm64',
+}
+
+
+class MSVCCompiler(CCompiler):
+    """Concrete class that implements an interface to Microsoft Visual C++,
+    as defined by the CCompiler abstract class."""
+
+    compiler_type = 'msvc'
+
+    # Just set this so CCompiler's constructor doesn't barf.  We currently
+    # don't use the 'set_executables()' bureaucracy provided by CCompiler,
+    # as it really isn't necessary for this sort of single-compiler class.
+    # Would be nice to have a consistent interface with UnixCCompiler,
+    # though, so it's worth thinking about.
+    executables = {}
+
+    # Private class data (need to distinguish C from C++ source for compiler)
+    _c_extensions = ['.c']
+    _cpp_extensions = ['.cc', '.cpp', '.cxx']
+    _rc_extensions = ['.rc']
+    _mc_extensions = ['.mc']
+
+    # Needed for the filename generation methods provided by the
+    # base class, CCompiler.
+    src_extensions = _c_extensions + _cpp_extensions + _rc_extensions + _mc_extensions
+    res_extension = '.res'
+    obj_extension = '.obj'
+    static_lib_extension = '.lib'
+    shared_lib_extension = '.dll'
+    static_lib_format = shared_lib_format = '%s%s'
+    exe_extension = '.exe'
+
+    def __init__(self, verbose=0, dry_run=0, force=0):
+        super().__init__(verbose, dry_run, force)
+        # target platform (.plat_name is consistent with 'bdist')
+        self.plat_name = None
+        self.initialized = False
+
+    @classmethod
+    def _configure(cls, vc_env):
+        """
+        Set class-level include/lib dirs.
+        """
+        cls.include_dirs = cls._parse_path(vc_env.get('include', ''))
+        cls.library_dirs = cls._parse_path(vc_env.get('lib', ''))
+
+    @staticmethod
+    def _parse_path(val):
+        return [dir.rstrip(os.sep) for dir in val.split(os.pathsep) if dir]
+
+    def initialize(self, plat_name=None):
+        # multi-init means we would need to check platform same each time...
+        assert not self.initialized, "don't init multiple times"
+        if plat_name is None:
+            plat_name = get_platform()
+        # sanity check for platforms to prevent obscure errors later.
+        if plat_name not in PLAT_TO_VCVARS:
+            raise DistutilsPlatformError(
+                f"--plat-name must be one of {tuple(PLAT_TO_VCVARS)}"
+            )
+
+        # Get the vcvarsall.bat spec for the requested platform.
+        plat_spec = PLAT_TO_VCVARS[plat_name]
+
+        vc_env = _get_vc_env(plat_spec)
+        if not vc_env:
+            raise DistutilsPlatformError(
+                "Unable to find a compatible " "Visual Studio installation."
+            )
+        self._configure(vc_env)
+
+        self._paths = vc_env.get('path', '')
+        paths = self._paths.split(os.pathsep)
+        self.cc = _find_exe("cl.exe", paths)
+        self.linker = _find_exe("link.exe", paths)
+        self.lib = _find_exe("lib.exe", paths)
+        self.rc = _find_exe("rc.exe", paths)  # resource compiler
+        self.mc = _find_exe("mc.exe", paths)  # message compiler
+        self.mt = _find_exe("mt.exe", paths)  # message compiler
+
+        self.preprocess_options = None
+        # bpo-38597: Always compile with dynamic linking
+        # Future releases of Python 3.x will include all past
+        # versions of vcruntime*.dll for compatibility.
+        self.compile_options = ['/nologo', '/O2', '/W3', '/GL', '/DNDEBUG', '/MD']
+
+        self.compile_options_debug = [
+            '/nologo',
+            '/Od',
+            '/MDd',
+            '/Zi',
+            '/W3',
+            '/D_DEBUG',
+        ]
+
+        ldflags = ['/nologo', '/INCREMENTAL:NO', '/LTCG']
+
+        ldflags_debug = ['/nologo', '/INCREMENTAL:NO', '/LTCG', '/DEBUG:FULL']
+
+        self.ldflags_exe = [*ldflags, '/MANIFEST:EMBED,ID=1']
+        self.ldflags_exe_debug = [*ldflags_debug, '/MANIFEST:EMBED,ID=1']
+        self.ldflags_shared = [
+            *ldflags,
+            '/DLL',
+            '/MANIFEST:EMBED,ID=2',
+            '/MANIFESTUAC:NO',
+        ]
+        self.ldflags_shared_debug = [
+            *ldflags_debug,
+            '/DLL',
+            '/MANIFEST:EMBED,ID=2',
+            '/MANIFESTUAC:NO',
+        ]
+        self.ldflags_static = [*ldflags]
+        self.ldflags_static_debug = [*ldflags_debug]
+
+        self._ldflags = {
+            (CCompiler.EXECUTABLE, None): self.ldflags_exe,
+            (CCompiler.EXECUTABLE, False): self.ldflags_exe,
+            (CCompiler.EXECUTABLE, True): self.ldflags_exe_debug,
+            (CCompiler.SHARED_OBJECT, None): self.ldflags_shared,
+            (CCompiler.SHARED_OBJECT, False): self.ldflags_shared,
+            (CCompiler.SHARED_OBJECT, True): self.ldflags_shared_debug,
+            (CCompiler.SHARED_LIBRARY, None): self.ldflags_static,
+            (CCompiler.SHARED_LIBRARY, False): self.ldflags_static,
+            (CCompiler.SHARED_LIBRARY, True): self.ldflags_static_debug,
+        }
+
+        self.initialized = True
+
+    # -- Worker methods ------------------------------------------------
+
+    @property
+    def out_extensions(self):
+        return {
+            **super().out_extensions,
+            **{
+                ext: self.res_extension
+                for ext in self._rc_extensions + self._mc_extensions
+            },
+        }
+
+    def compile(  # noqa: C901
+        self,
+        sources,
+        output_dir=None,
+        macros=None,
+        include_dirs=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        depends=None,
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        compile_info = self._setup_compile(
+            output_dir, macros, include_dirs, sources, depends, extra_postargs
+        )
+        macros, objects, extra_postargs, pp_opts, build = compile_info
+
+        compile_opts = extra_preargs or []
+        compile_opts.append('/c')
+        if debug:
+            compile_opts.extend(self.compile_options_debug)
+        else:
+            compile_opts.extend(self.compile_options)
+
+        add_cpp_opts = False
+
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
+            if debug:
+                # pass the full pathname to MSVC in debug mode,
+                # this allows the debugger to find the source file
+                # without asking the user to browse for it
+                src = os.path.abspath(src)
+
+            if ext in self._c_extensions:
+                input_opt = "/Tc" + src
+            elif ext in self._cpp_extensions:
+                input_opt = "/Tp" + src
+                add_cpp_opts = True
+            elif ext in self._rc_extensions:
+                # compile .RC to .RES file
+                input_opt = src
+                output_opt = "/fo" + obj
+                try:
+                    self.spawn([self.rc] + pp_opts + [output_opt, input_opt])
+                except DistutilsExecError as msg:
+                    raise CompileError(msg)
+                continue
+            elif ext in self._mc_extensions:
+                # Compile .MC to .RC file to .RES file.
+                #   * '-h dir' specifies the directory for the
+                #     generated include file
+                #   * '-r dir' specifies the target directory of the
+                #     generated RC file and the binary message resource
+                #     it includes
+                #
+                # For now (since there are no options to change this),
+                # we use the source-directory for the include file and
+                # the build directory for the RC file and message
+                # resources. This works at least for win32all.
+                h_dir = os.path.dirname(src)
+                rc_dir = os.path.dirname(obj)
+                try:
+                    # first compile .MC to .RC and .H file
+                    self.spawn([self.mc, '-h', h_dir, '-r', rc_dir, src])
+                    base, _ = os.path.splitext(os.path.basename(src))
+                    rc_file = os.path.join(rc_dir, base + '.rc')
+                    # then compile .RC to .RES file
+                    self.spawn([self.rc, "/fo" + obj, rc_file])
+
+                except DistutilsExecError as msg:
+                    raise CompileError(msg)
+                continue
+            else:
+                # how to handle this file?
+                raise CompileError(f"Don't know how to compile {src} to {obj}")
+
+            args = [self.cc] + compile_opts + pp_opts
+            if add_cpp_opts:
+                args.append('/EHsc')
+            args.append(input_opt)
+            args.append("/Fo" + obj)
+            args.extend(extra_postargs)
+
+            try:
+                self.spawn(args)
+            except DistutilsExecError as msg:
+                raise CompileError(msg)
+
+        return objects
+
+    def create_static_lib(
+        self, objects, output_libname, output_dir=None, debug=0, target_lang=None
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        objects, output_dir = self._fix_object_args(objects, output_dir)
+        output_filename = self.library_filename(output_libname, output_dir=output_dir)
+
+        if self._need_link(objects, output_filename):
+            lib_args = objects + ['/OUT:' + output_filename]
+            if debug:
+                pass  # XXX what goes here?
+            try:
+                log.debug('Executing "%s" %s', self.lib, ' '.join(lib_args))
+                self.spawn([self.lib] + lib_args)
+            except DistutilsExecError as msg:
+                raise LibError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    def link(
+        self,
+        target_desc,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        objects, output_dir = self._fix_object_args(objects, output_dir)
+        fixed_args = self._fix_lib_args(libraries, library_dirs, runtime_library_dirs)
+        libraries, library_dirs, runtime_library_dirs = fixed_args
+
+        if runtime_library_dirs:
+            self.warn(
+                "I don't know what to do with 'runtime_library_dirs': "
+                + str(runtime_library_dirs)
+            )
+
+        lib_opts = gen_lib_options(self, library_dirs, runtime_library_dirs, libraries)
+        if output_dir is not None:
+            output_filename = os.path.join(output_dir, output_filename)
+
+        if self._need_link(objects, output_filename):
+            ldflags = self._ldflags[target_desc, debug]
+
+            export_opts = ["/EXPORT:" + sym for sym in (export_symbols or [])]
+
+            ld_args = (
+                ldflags + lib_opts + export_opts + objects + ['/OUT:' + output_filename]
+            )
+
+            # The MSVC linker generates .lib and .exp files, which cannot be
+            # suppressed by any linker switches. The .lib files may even be
+            # needed! Make sure they are generated in the temporary build
+            # directory. Since they have different names for debug and release
+            # builds, they can go into the same directory.
+            build_temp = os.path.dirname(objects[0])
+            if export_symbols is not None:
+                (dll_name, dll_ext) = os.path.splitext(
+                    os.path.basename(output_filename)
+                )
+                implib_file = os.path.join(build_temp, self.library_filename(dll_name))
+                ld_args.append('/IMPLIB:' + implib_file)
+
+            if extra_preargs:
+                ld_args[:0] = extra_preargs
+            if extra_postargs:
+                ld_args.extend(extra_postargs)
+
+            output_dir = os.path.dirname(os.path.abspath(output_filename))
+            self.mkpath(output_dir)
+            try:
+                log.debug('Executing "%s" %s', self.linker, ' '.join(ld_args))
+                self.spawn([self.linker] + ld_args)
+            except DistutilsExecError as msg:
+                raise LinkError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    def spawn(self, cmd):
+        env = dict(os.environ, PATH=self._paths)
+        with self._fallback_spawn(cmd, env) as fallback:
+            return super().spawn(cmd, env=env)
+        return fallback.value
+
+    @contextlib.contextmanager
+    def _fallback_spawn(self, cmd, env):
+        """
+        Discovered in pypa/distutils#15, some tools monkeypatch the compiler,
+        so the 'env' kwarg causes a TypeError. Detect this condition and
+        restore the legacy, unsafe behavior.
+        """
+        bag = type('Bag', (), {})()
+        try:
+            yield bag
+        except TypeError as exc:
+            if "unexpected keyword argument 'env'" not in str(exc):
+                raise
+        else:
+            return
+        warnings.warn("Fallback spawn triggered. Please update distutils monkeypatch.")
+        with mock.patch.dict('os.environ', env):
+            bag.value = super().spawn(cmd)
+
+    # -- Miscellaneous methods -----------------------------------------
+    # These are all used by the 'gen_lib_options() function, in
+    # ccompiler.py.
+
+    def library_dir_option(self, dir):
+        return "/LIBPATH:" + dir
+
+    def runtime_library_dir_option(self, dir):
+        raise DistutilsPlatformError(
+            "don't know how to set runtime library search path for MSVC"
+        )
+
+    def library_option(self, lib):
+        return self.library_filename(lib)
+
+    def find_library_file(self, dirs, lib, debug=0):
+        # Prefer a debugging library if found (and requested), but deal
+        # with it if we don't have one.
+        if debug:
+            try_names = [lib + "_d", lib]
+        else:
+            try_names = [lib]
+        for dir in dirs:
+            for name in try_names:
+                libfile = os.path.join(dir, self.library_filename(name))
+                if os.path.isfile(libfile):
+                    return libfile
+        else:
+            # Oops, didn't find it in *any* of 'dirs'
+            return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/archive_util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/archive_util.py
new file mode 100644
index 00000000..5dfe2a16
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/archive_util.py
@@ -0,0 +1,280 @@
+"""distutils.archive_util
+
+Utility functions for creating archive files (tarballs, zip files,
+that sort of thing)."""
+
+import os
+from warnings import warn
+import sys
+
+try:
+    import zipfile
+except ImportError:
+    zipfile = None
+
+
+from distutils.errors import DistutilsExecError
+from distutils.spawn import spawn
+from distutils.dir_util import mkpath
+from distutils import log
+
+try:
+    from pwd import getpwnam
+except ImportError:
+    getpwnam = None
+
+try:
+    from grp import getgrnam
+except ImportError:
+    getgrnam = None
+
+
+def _get_gid(name):
+    """Returns a gid, given a group name."""
+    if getgrnam is None or name is None:
+        return None
+    try:
+        result = getgrnam(name)
+    except KeyError:
+        result = None
+    if result is not None:
+        return result[2]
+    return None
+
+
+def _get_uid(name):
+    """Returns an uid, given a user name."""
+    if getpwnam is None or name is None:
+        return None
+    try:
+        result = getpwnam(name)
+    except KeyError:
+        result = None
+    if result is not None:
+        return result[2]
+    return None
+
+
+def make_tarball(
+    base_name, base_dir, compress="gzip", verbose=0, dry_run=0, owner=None, group=None
+):
+    """Create a (possibly compressed) tar file from all the files under
+    'base_dir'.
+
+    'compress' must be "gzip" (the default), "bzip2", "xz", "compress", or
+    None.  ("compress" will be deprecated in Python 3.2)
+
+    'owner' and 'group' can be used to define an owner and a group for the
+    archive that is being built. If not provided, the current owner and group
+    will be used.
+
+    The output tar file will be named 'base_dir' +  ".tar", possibly plus
+    the appropriate compression extension (".gz", ".bz2", ".xz" or ".Z").
+
+    Returns the output filename.
+    """
+    tar_compression = {
+        'gzip': 'gz',
+        'bzip2': 'bz2',
+        'xz': 'xz',
+        None: '',
+        'compress': '',
+    }
+    compress_ext = {'gzip': '.gz', 'bzip2': '.bz2', 'xz': '.xz', 'compress': '.Z'}
+
+    # flags for compression program, each element of list will be an argument
+    if compress is not None and compress not in compress_ext.keys():
+        raise ValueError(
+            "bad value for 'compress': must be None, 'gzip', 'bzip2', "
+            "'xz' or 'compress'"
+        )
+
+    archive_name = base_name + '.tar'
+    if compress != 'compress':
+        archive_name += compress_ext.get(compress, '')
+
+    mkpath(os.path.dirname(archive_name), dry_run=dry_run)
+
+    # creating the tarball
+    import tarfile  # late import so Python build itself doesn't break
+
+    log.info('Creating tar archive')
+
+    uid = _get_uid(owner)
+    gid = _get_gid(group)
+
+    def _set_uid_gid(tarinfo):
+        if gid is not None:
+            tarinfo.gid = gid
+            tarinfo.gname = group
+        if uid is not None:
+            tarinfo.uid = uid
+            tarinfo.uname = owner
+        return tarinfo
+
+    if not dry_run:
+        tar = tarfile.open(archive_name, 'w|%s' % tar_compression[compress])
+        try:
+            tar.add(base_dir, filter=_set_uid_gid)
+        finally:
+            tar.close()
+
+    # compression using `compress`
+    if compress == 'compress':
+        warn("'compress' is deprecated.", DeprecationWarning)
+        # the option varies depending on the platform
+        compressed_name = archive_name + compress_ext[compress]
+        if sys.platform == 'win32':
+            cmd = [compress, archive_name, compressed_name]
+        else:
+            cmd = [compress, '-f', archive_name]
+        spawn(cmd, dry_run=dry_run)
+        return compressed_name
+
+    return archive_name
+
+
+def make_zipfile(base_name, base_dir, verbose=0, dry_run=0):  # noqa: C901
+    """Create a zip file from all the files under 'base_dir'.
+
+    The output zip file will be named 'base_name' + ".zip".  Uses either the
+    "zipfile" Python module (if available) or the InfoZIP "zip" utility
+    (if installed and found on the default search path).  If neither tool is
+    available, raises DistutilsExecError.  Returns the name of the output zip
+    file.
+    """
+    zip_filename = base_name + ".zip"
+    mkpath(os.path.dirname(zip_filename), dry_run=dry_run)
+
+    # If zipfile module is not available, try spawning an external
+    # 'zip' command.
+    if zipfile is None:
+        if verbose:
+            zipoptions = "-r"
+        else:
+            zipoptions = "-rq"
+
+        try:
+            spawn(["zip", zipoptions, zip_filename, base_dir], dry_run=dry_run)
+        except DistutilsExecError:
+            # XXX really should distinguish between "couldn't find
+            # external 'zip' command" and "zip failed".
+            raise DistutilsExecError(
+                (
+                    "unable to create zip file '%s': "
+                    "could neither import the 'zipfile' module nor "
+                    "find a standalone zip utility"
+                )
+                % zip_filename
+            )
+
+    else:
+        log.info("creating '%s' and adding '%s' to it", zip_filename, base_dir)
+
+        if not dry_run:
+            try:
+                zip = zipfile.ZipFile(
+                    zip_filename, "w", compression=zipfile.ZIP_DEFLATED
+                )
+            except RuntimeError:
+                zip = zipfile.ZipFile(zip_filename, "w", compression=zipfile.ZIP_STORED)
+
+            with zip:
+                if base_dir != os.curdir:
+                    path = os.path.normpath(os.path.join(base_dir, ''))
+                    zip.write(path, path)
+                    log.info("adding '%s'", path)
+                for dirpath, dirnames, filenames in os.walk(base_dir):
+                    for name in dirnames:
+                        path = os.path.normpath(os.path.join(dirpath, name, ''))
+                        zip.write(path, path)
+                        log.info("adding '%s'", path)
+                    for name in filenames:
+                        path = os.path.normpath(os.path.join(dirpath, name))
+                        if os.path.isfile(path):
+                            zip.write(path, path)
+                            log.info("adding '%s'", path)
+
+    return zip_filename
+
+
+ARCHIVE_FORMATS = {
+    'gztar': (make_tarball, [('compress', 'gzip')], "gzip'ed tar-file"),
+    'bztar': (make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file"),
+    'xztar': (make_tarball, [('compress', 'xz')], "xz'ed tar-file"),
+    'ztar': (make_tarball, [('compress', 'compress')], "compressed tar file"),
+    'tar': (make_tarball, [('compress', None)], "uncompressed tar file"),
+    'zip': (make_zipfile, [], "ZIP file"),
+}
+
+
+def check_archive_formats(formats):
+    """Returns the first format from the 'format' list that is unknown.
+
+    If all formats are known, returns None
+    """
+    for format in formats:
+        if format not in ARCHIVE_FORMATS:
+            return format
+    return None
+
+
+def make_archive(
+    base_name,
+    format,
+    root_dir=None,
+    base_dir=None,
+    verbose=0,
+    dry_run=0,
+    owner=None,
+    group=None,
+):
+    """Create an archive file (eg. zip or tar).
+
+    'base_name' is the name of the file to create, minus any format-specific
+    extension; 'format' is the archive format: one of "zip", "tar", "gztar",
+    "bztar", "xztar", or "ztar".
+
+    'root_dir' is a directory that will be the root directory of the
+    archive; ie. we typically chdir into 'root_dir' before creating the
+    archive.  'base_dir' is the directory where we start archiving from;
+    ie. 'base_dir' will be the common prefix of all files and
+    directories in the archive.  'root_dir' and 'base_dir' both default
+    to the current directory.  Returns the name of the archive file.
+
+    'owner' and 'group' are used when creating a tar archive. By default,
+    uses the current owner and group.
+    """
+    save_cwd = os.getcwd()
+    if root_dir is not None:
+        log.debug("changing into '%s'", root_dir)
+        base_name = os.path.abspath(base_name)
+        if not dry_run:
+            os.chdir(root_dir)
+
+    if base_dir is None:
+        base_dir = os.curdir
+
+    kwargs = {'dry_run': dry_run}
+
+    try:
+        format_info = ARCHIVE_FORMATS[format]
+    except KeyError:
+        raise ValueError("unknown archive format '%s'" % format)
+
+    func = format_info[0]
+    for arg, val in format_info[1]:
+        kwargs[arg] = val
+
+    if format != 'zip':
+        kwargs['owner'] = owner
+        kwargs['group'] = group
+
+    try:
+        filename = func(base_name, base_dir, **kwargs)
+    finally:
+        if root_dir is not None:
+            log.debug("changing back to '%s'", save_cwd)
+            os.chdir(save_cwd)
+
+    return filename
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/bcppcompiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/bcppcompiler.py
new file mode 100644
index 00000000..80b6bd85
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/bcppcompiler.py
@@ -0,0 +1,408 @@
+"""distutils.bcppcompiler
+
+Contains BorlandCCompiler, an implementation of the abstract CCompiler class
+for the Borland C++ compiler.
+"""
+
+# This implementation by Lyle Johnson, based on the original msvccompiler.py
+# module and using the directions originally published by Gordon Williams.
+
+# XXX looks like there's a LOT of overlap between these two classes:
+# someone should sit down and factor out the common code as
+# WindowsCCompiler!  --GPW
+
+
+import os
+import warnings
+
+from distutils.errors import (
+    DistutilsExecError,
+    CompileError,
+    LibError,
+    LinkError,
+    UnknownFileError,
+)
+from distutils.ccompiler import CCompiler, gen_preprocess_options
+from distutils.file_util import write_file
+from distutils.dep_util import newer
+from distutils import log
+
+
+warnings.warn(
+    "bcppcompiler is deprecated and slated to be removed "
+    "in the future. Please discontinue use or file an issue "
+    "with pypa/distutils describing your use case.",
+    DeprecationWarning,
+)
+
+
+class BCPPCompiler(CCompiler):
+    """Concrete class that implements an interface to the Borland C/C++
+    compiler, as defined by the CCompiler abstract class.
+    """
+
+    compiler_type = 'bcpp'
+
+    # Just set this so CCompiler's constructor doesn't barf.  We currently
+    # don't use the 'set_executables()' bureaucracy provided by CCompiler,
+    # as it really isn't necessary for this sort of single-compiler class.
+    # Would be nice to have a consistent interface with UnixCCompiler,
+    # though, so it's worth thinking about.
+    executables = {}
+
+    # Private class data (need to distinguish C from C++ source for compiler)
+    _c_extensions = ['.c']
+    _cpp_extensions = ['.cc', '.cpp', '.cxx']
+
+    # Needed for the filename generation methods provided by the
+    # base class, CCompiler.
+    src_extensions = _c_extensions + _cpp_extensions
+    obj_extension = '.obj'
+    static_lib_extension = '.lib'
+    shared_lib_extension = '.dll'
+    static_lib_format = shared_lib_format = '%s%s'
+    exe_extension = '.exe'
+
+    def __init__(self, verbose=0, dry_run=0, force=0):
+
+        super().__init__(verbose, dry_run, force)
+
+        # These executables are assumed to all be in the path.
+        # Borland doesn't seem to use any special registry settings to
+        # indicate their installation locations.
+
+        self.cc = "bcc32.exe"
+        self.linker = "ilink32.exe"
+        self.lib = "tlib.exe"
+
+        self.preprocess_options = None
+        self.compile_options = ['/tWM', '/O2', '/q', '/g0']
+        self.compile_options_debug = ['/tWM', '/Od', '/q', '/g0']
+
+        self.ldflags_shared = ['/Tpd', '/Gn', '/q', '/x']
+        self.ldflags_shared_debug = ['/Tpd', '/Gn', '/q', '/x']
+        self.ldflags_static = []
+        self.ldflags_exe = ['/Gn', '/q', '/x']
+        self.ldflags_exe_debug = ['/Gn', '/q', '/x', '/r']
+
+    # -- Worker methods ------------------------------------------------
+
+    def compile(  # noqa: C901
+        self,
+        sources,
+        output_dir=None,
+        macros=None,
+        include_dirs=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        depends=None,
+    ):
+
+        macros, objects, extra_postargs, pp_opts, build = self._setup_compile(
+            output_dir, macros, include_dirs, sources, depends, extra_postargs
+        )
+        compile_opts = extra_preargs or []
+        compile_opts.append('-c')
+        if debug:
+            compile_opts.extend(self.compile_options_debug)
+        else:
+            compile_opts.extend(self.compile_options)
+
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
+            # XXX why do the normpath here?
+            src = os.path.normpath(src)
+            obj = os.path.normpath(obj)
+            # XXX _setup_compile() did a mkpath() too but before the normpath.
+            # Is it possible to skip the normpath?
+            self.mkpath(os.path.dirname(obj))
+
+            if ext == '.res':
+                # This is already a binary file -- skip it.
+                continue  # the 'for' loop
+            if ext == '.rc':
+                # This needs to be compiled to a .res file -- do it now.
+                try:
+                    self.spawn(["brcc32", "-fo", obj, src])
+                except DistutilsExecError as msg:
+                    raise CompileError(msg)
+                continue  # the 'for' loop
+
+            # The next two are both for the real compiler.
+            if ext in self._c_extensions:
+                input_opt = ""
+            elif ext in self._cpp_extensions:
+                input_opt = "-P"
+            else:
+                # Unknown file type -- no extra options.  The compiler
+                # will probably fail, but let it just in case this is a
+                # file the compiler recognizes even if we don't.
+                input_opt = ""
+
+            output_opt = "-o" + obj
+
+            # Compiler command line syntax is: "bcc32 [options] file(s)".
+            # Note that the source file names must appear at the end of
+            # the command line.
+            try:
+                self.spawn(
+                    [self.cc]
+                    + compile_opts
+                    + pp_opts
+                    + [input_opt, output_opt]
+                    + extra_postargs
+                    + [src]
+                )
+            except DistutilsExecError as msg:
+                raise CompileError(msg)
+
+        return objects
+
+    # compile ()
+
+    def create_static_lib(
+        self, objects, output_libname, output_dir=None, debug=0, target_lang=None
+    ):
+
+        (objects, output_dir) = self._fix_object_args(objects, output_dir)
+        output_filename = self.library_filename(output_libname, output_dir=output_dir)
+
+        if self._need_link(objects, output_filename):
+            lib_args = [output_filename, '/u'] + objects
+            if debug:
+                pass  # XXX what goes here?
+            try:
+                self.spawn([self.lib] + lib_args)
+            except DistutilsExecError as msg:
+                raise LibError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    # create_static_lib ()
+
+    def link(  # noqa: C901
+        self,
+        target_desc,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+
+        # XXX this ignores 'build_temp'!  should follow the lead of
+        # msvccompiler.py
+
+        (objects, output_dir) = self._fix_object_args(objects, output_dir)
+        (libraries, library_dirs, runtime_library_dirs) = self._fix_lib_args(
+            libraries, library_dirs, runtime_library_dirs
+        )
+
+        if runtime_library_dirs:
+            log.warn(
+                "I don't know what to do with 'runtime_library_dirs': %s",
+                str(runtime_library_dirs),
+            )
+
+        if output_dir is not None:
+            output_filename = os.path.join(output_dir, output_filename)
+
+        if self._need_link(objects, output_filename):
+
+            # Figure out linker args based on type of target.
+            if target_desc == CCompiler.EXECUTABLE:
+                startup_obj = 'c0w32'
+                if debug:
+                    ld_args = self.ldflags_exe_debug[:]
+                else:
+                    ld_args = self.ldflags_exe[:]
+            else:
+                startup_obj = 'c0d32'
+                if debug:
+                    ld_args = self.ldflags_shared_debug[:]
+                else:
+                    ld_args = self.ldflags_shared[:]
+
+            # Create a temporary exports file for use by the linker
+            if export_symbols is None:
+                def_file = ''
+            else:
+                head, tail = os.path.split(output_filename)
+                modname, ext = os.path.splitext(tail)
+                temp_dir = os.path.dirname(objects[0])  # preserve tree structure
+                def_file = os.path.join(temp_dir, '%s.def' % modname)
+                contents = ['EXPORTS']
+                for sym in export_symbols or []:
+                    contents.append('  {}=_{}'.format(sym, sym))
+                self.execute(write_file, (def_file, contents), "writing %s" % def_file)
+
+            # Borland C++ has problems with '/' in paths
+            objects2 = map(os.path.normpath, objects)
+            # split objects in .obj and .res files
+            # Borland C++ needs them at different positions in the command line
+            objects = [startup_obj]
+            resources = []
+            for file in objects2:
+                (base, ext) = os.path.splitext(os.path.normcase(file))
+                if ext == '.res':
+                    resources.append(file)
+                else:
+                    objects.append(file)
+
+            for ell in library_dirs:
+                ld_args.append("/L%s" % os.path.normpath(ell))
+            ld_args.append("/L.")  # we sometimes use relative paths
+
+            # list of object files
+            ld_args.extend(objects)
+
+            # XXX the command-line syntax for Borland C++ is a bit wonky;
+            # certain filenames are jammed together in one big string, but
+            # comma-delimited.  This doesn't mesh too well with the
+            # Unix-centric attitude (with a DOS/Windows quoting hack) of
+            # 'spawn()', so constructing the argument list is a bit
+            # awkward.  Note that doing the obvious thing and jamming all
+            # the filenames and commas into one argument would be wrong,
+            # because 'spawn()' would quote any filenames with spaces in
+            # them.  Arghghh!.  Apparently it works fine as coded...
+
+            # name of dll/exe file
+            ld_args.extend([',', output_filename])
+            # no map file and start libraries
+            ld_args.append(',,')
+
+            for lib in libraries:
+                # see if we find it and if there is a bcpp specific lib
+                # (xxx_bcpp.lib)
+                libfile = self.find_library_file(library_dirs, lib, debug)
+                if libfile is None:
+                    ld_args.append(lib)
+                    # probably a BCPP internal library -- don't warn
+                else:
+                    # full name which prefers bcpp_xxx.lib over xxx.lib
+                    ld_args.append(libfile)
+
+            # some default libraries
+            ld_args.append('import32')
+            ld_args.append('cw32mt')
+
+            # def file for export symbols
+            ld_args.extend([',', def_file])
+            # add resource files
+            ld_args.append(',')
+            ld_args.extend(resources)
+
+            if extra_preargs:
+                ld_args[:0] = extra_preargs
+            if extra_postargs:
+                ld_args.extend(extra_postargs)
+
+            self.mkpath(os.path.dirname(output_filename))
+            try:
+                self.spawn([self.linker] + ld_args)
+            except DistutilsExecError as msg:
+                raise LinkError(msg)
+
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    # link ()
+
+    # -- Miscellaneous methods -----------------------------------------
+
+    def find_library_file(self, dirs, lib, debug=0):
+        # List of effective library names to try, in order of preference:
+        # xxx_bcpp.lib is better than xxx.lib
+        # and xxx_d.lib is better than xxx.lib if debug is set
+        #
+        # The "_bcpp" suffix is to handle a Python installation for people
+        # with multiple compilers (primarily Distutils hackers, I suspect
+        # ;-).  The idea is they'd have one static library for each
+        # compiler they care about, since (almost?) every Windows compiler
+        # seems to have a different format for static libraries.
+        if debug:
+            dlib = lib + "_d"
+            try_names = (dlib + "_bcpp", lib + "_bcpp", dlib, lib)
+        else:
+            try_names = (lib + "_bcpp", lib)
+
+        for dir in dirs:
+            for name in try_names:
+                libfile = os.path.join(dir, self.library_filename(name))
+                if os.path.exists(libfile):
+                    return libfile
+        else:
+            # Oops, didn't find it in *any* of 'dirs'
+            return None
+
+    # overwrite the one from CCompiler to support rc and res-files
+    def object_filenames(self, source_filenames, strip_dir=0, output_dir=''):
+        if output_dir is None:
+            output_dir = ''
+        obj_names = []
+        for src_name in source_filenames:
+            # use normcase to make sure '.rc' is really '.rc' and not '.RC'
+            (base, ext) = os.path.splitext(os.path.normcase(src_name))
+            if ext not in (self.src_extensions + ['.rc', '.res']):
+                raise UnknownFileError(
+                    "unknown file type '{}' (from '{}')".format(ext, src_name)
+                )
+            if strip_dir:
+                base = os.path.basename(base)
+            if ext == '.res':
+                # these can go unchanged
+                obj_names.append(os.path.join(output_dir, base + ext))
+            elif ext == '.rc':
+                # these need to be compiled to .res-files
+                obj_names.append(os.path.join(output_dir, base + '.res'))
+            else:
+                obj_names.append(os.path.join(output_dir, base + self.obj_extension))
+        return obj_names
+
+    # object_filenames ()
+
+    def preprocess(
+        self,
+        source,
+        output_file=None,
+        macros=None,
+        include_dirs=None,
+        extra_preargs=None,
+        extra_postargs=None,
+    ):
+
+        (_, macros, include_dirs) = self._fix_compile_args(None, macros, include_dirs)
+        pp_opts = gen_preprocess_options(macros, include_dirs)
+        pp_args = ['cpp32.exe'] + pp_opts
+        if output_file is not None:
+            pp_args.append('-o' + output_file)
+        if extra_preargs:
+            pp_args[:0] = extra_preargs
+        if extra_postargs:
+            pp_args.extend(extra_postargs)
+        pp_args.append(source)
+
+        # We need to preprocess: either we're being forced to, or the
+        # source file is newer than the target (or the target doesn't
+        # exist).
+        if self.force or output_file is None or newer(source, output_file):
+            if output_file:
+                self.mkpath(os.path.dirname(output_file))
+            try:
+                self.spawn(pp_args)
+            except DistutilsExecError as msg:
+                print(msg)
+                raise CompileError(msg)
+
+    # preprocess()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/ccompiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/ccompiler.py
new file mode 100644
index 00000000..97551c99
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/ccompiler.py
@@ -0,0 +1,1220 @@
+"""distutils.ccompiler
+
+Contains CCompiler, an abstract base class that defines the interface
+for the Distutils compiler abstraction model."""
+
+import sys
+import os
+import re
+
+from distutils.errors import (
+    CompileError,
+    LinkError,
+    UnknownFileError,
+    DistutilsPlatformError,
+    DistutilsModuleError,
+)
+from distutils.spawn import spawn
+from distutils.file_util import move_file
+from distutils.dir_util import mkpath
+from distutils.dep_util import newer_group
+from distutils.util import split_quoted, execute
+from distutils import log
+
+
+class CCompiler:
+    """Abstract base class to define the interface that must be implemented
+    by real compiler classes.  Also has some utility methods used by
+    several compiler classes.
+
+    The basic idea behind a compiler abstraction class is that each
+    instance can be used for all the compile/link steps in building a
+    single project.  Thus, attributes common to all of those compile and
+    link steps -- include directories, macros to define, libraries to link
+    against, etc. -- are attributes of the compiler instance.  To allow for
+    variability in how individual files are treated, most of those
+    attributes may be varied on a per-compilation or per-link basis.
+    """
+
+    # 'compiler_type' is a class attribute that identifies this class.  It
+    # keeps code that wants to know what kind of compiler it's dealing with
+    # from having to import all possible compiler classes just to do an
+    # 'isinstance'.  In concrete CCompiler subclasses, 'compiler_type'
+    # should really, really be one of the keys of the 'compiler_class'
+    # dictionary (see below -- used by the 'new_compiler()' factory
+    # function) -- authors of new compiler interface classes are
+    # responsible for updating 'compiler_class'!
+    compiler_type = None
+
+    # XXX things not handled by this compiler abstraction model:
+    #   * client can't provide additional options for a compiler,
+    #     e.g. warning, optimization, debugging flags.  Perhaps this
+    #     should be the domain of concrete compiler abstraction classes
+    #     (UnixCCompiler, MSVCCompiler, etc.) -- or perhaps the base
+    #     class should have methods for the common ones.
+    #   * can't completely override the include or library searchg
+    #     path, ie. no "cc -I -Idir1 -Idir2" or "cc -L -Ldir1 -Ldir2".
+    #     I'm not sure how widely supported this is even by Unix
+    #     compilers, much less on other platforms.  And I'm even less
+    #     sure how useful it is; maybe for cross-compiling, but
+    #     support for that is a ways off.  (And anyways, cross
+    #     compilers probably have a dedicated binary with the
+    #     right paths compiled in.  I hope.)
+    #   * can't do really freaky things with the library list/library
+    #     dirs, e.g. "-Ldir1 -lfoo -Ldir2 -lfoo" to link against
+    #     different versions of libfoo.a in different locations.  I
+    #     think this is useless without the ability to null out the
+    #     library search path anyways.
+
+    # Subclasses that rely on the standard filename generation methods
+    # implemented below should override these; see the comment near
+    # those methods ('object_filenames()' et. al.) for details:
+    src_extensions = None  # list of strings
+    obj_extension = None  # string
+    static_lib_extension = None
+    shared_lib_extension = None  # string
+    static_lib_format = None  # format string
+    shared_lib_format = None  # prob. same as static_lib_format
+    exe_extension = None  # string
+
+    # Default language settings. language_map is used to detect a source
+    # file or Extension target language, checking source filenames.
+    # language_order is used to detect the language precedence, when deciding
+    # what language to use when mixing source types. For example, if some
+    # extension has two files with ".c" extension, and one with ".cpp", it
+    # is still linked as c++.
+    language_map = {
+        ".c": "c",
+        ".cc": "c++",
+        ".cpp": "c++",
+        ".cxx": "c++",
+        ".m": "objc",
+    }
+    language_order = ["c++", "objc", "c"]
+
+    include_dirs = []
+    """
+    include dirs specific to this compiler class
+    """
+
+    library_dirs = []
+    """
+    library dirs specific to this compiler class
+    """
+
+    def __init__(self, verbose=0, dry_run=0, force=0):
+        self.dry_run = dry_run
+        self.force = force
+        self.verbose = verbose
+
+        # 'output_dir': a common output directory for object, library,
+        # shared object, and shared library files
+        self.output_dir = None
+
+        # 'macros': a list of macro definitions (or undefinitions).  A
+        # macro definition is a 2-tuple (name, value), where the value is
+        # either a string or None (no explicit value).  A macro
+        # undefinition is a 1-tuple (name,).
+        self.macros = []
+
+        # 'include_dirs': a list of directories to search for include files
+        self.include_dirs = []
+
+        # 'libraries': a list of libraries to include in any link
+        # (library names, not filenames: eg. "foo" not "libfoo.a")
+        self.libraries = []
+
+        # 'library_dirs': a list of directories to search for libraries
+        self.library_dirs = []
+
+        # 'runtime_library_dirs': a list of directories to search for
+        # shared libraries/objects at runtime
+        self.runtime_library_dirs = []
+
+        # 'objects': a list of object files (or similar, such as explicitly
+        # named library files) to include on any link
+        self.objects = []
+
+        for key in self.executables.keys():
+            self.set_executable(key, self.executables[key])
+
+    def set_executables(self, **kwargs):
+        """Define the executables (and options for them) that will be run
+        to perform the various stages of compilation.  The exact set of
+        executables that may be specified here depends on the compiler
+        class (via the 'executables' class attribute), but most will have:
+          compiler      the C/C++ compiler
+          linker_so     linker used to create shared objects and libraries
+          linker_exe    linker used to create binary executables
+          archiver      static library creator
+
+        On platforms with a command-line (Unix, DOS/Windows), each of these
+        is a string that will be split into executable name and (optional)
+        list of arguments.  (Splitting the string is done similarly to how
+        Unix shells operate: words are delimited by spaces, but quotes and
+        backslashes can override this.  See
+        'distutils.util.split_quoted()'.)
+        """
+
+        # Note that some CCompiler implementation classes will define class
+        # attributes 'cpp', 'cc', etc. with hard-coded executable names;
+        # this is appropriate when a compiler class is for exactly one
+        # compiler/OS combination (eg. MSVCCompiler).  Other compiler
+        # classes (UnixCCompiler, in particular) are driven by information
+        # discovered at run-time, since there are many different ways to do
+        # basically the same things with Unix C compilers.
+
+        for key in kwargs:
+            if key not in self.executables:
+                raise ValueError(
+                    "unknown executable '%s' for class %s"
+                    % (key, self.__class__.__name__)
+                )
+            self.set_executable(key, kwargs[key])
+
+    def set_executable(self, key, value):
+        if isinstance(value, str):
+            setattr(self, key, split_quoted(value))
+        else:
+            setattr(self, key, value)
+
+    def _find_macro(self, name):
+        i = 0
+        for defn in self.macros:
+            if defn[0] == name:
+                return i
+            i += 1
+        return None
+
+    def _check_macro_definitions(self, definitions):
+        """Ensures that every element of 'definitions' is a valid macro
+        definition, ie. either (name,value) 2-tuple or a (name,) tuple.  Do
+        nothing if all definitions are OK, raise TypeError otherwise.
+        """
+        for defn in definitions:
+            if not (
+                isinstance(defn, tuple)
+                and (
+                    len(defn) in (1, 2)
+                    and (isinstance(defn[1], str) or defn[1] is None)
+                )
+                and isinstance(defn[0], str)
+            ):
+                raise TypeError(
+                    ("invalid macro definition '%s': " % defn)
+                    + "must be tuple (string,), (string, string), or "
+                    + "(string, None)"
+                )
+
+    # -- Bookkeeping methods -------------------------------------------
+
+    def define_macro(self, name, value=None):
+        """Define a preprocessor macro for all compilations driven by this
+        compiler object.  The optional parameter 'value' should be a
+        string; if it is not supplied, then the macro will be defined
+        without an explicit value and the exact outcome depends on the
+        compiler used (XXX true? does ANSI say anything about this?)
+        """
+        # Delete from the list of macro definitions/undefinitions if
+        # already there (so that this one will take precedence).
+        i = self._find_macro(name)
+        if i is not None:
+            del self.macros[i]
+
+        self.macros.append((name, value))
+
+    def undefine_macro(self, name):
+        """Undefine a preprocessor macro for all compilations driven by
+        this compiler object.  If the same macro is defined by
+        'define_macro()' and undefined by 'undefine_macro()' the last call
+        takes precedence (including multiple redefinitions or
+        undefinitions).  If the macro is redefined/undefined on a
+        per-compilation basis (ie. in the call to 'compile()'), then that
+        takes precedence.
+        """
+        # Delete from the list of macro definitions/undefinitions if
+        # already there (so that this one will take precedence).
+        i = self._find_macro(name)
+        if i is not None:
+            del self.macros[i]
+
+        undefn = (name,)
+        self.macros.append(undefn)
+
+    def add_include_dir(self, dir):
+        """Add 'dir' to the list of directories that will be searched for
+        header files.  The compiler is instructed to search directories in
+        the order in which they are supplied by successive calls to
+        'add_include_dir()'.
+        """
+        self.include_dirs.append(dir)
+
+    def set_include_dirs(self, dirs):
+        """Set the list of directories that will be searched to 'dirs' (a
+        list of strings).  Overrides any preceding calls to
+        'add_include_dir()'; subsequence calls to 'add_include_dir()' add
+        to the list passed to 'set_include_dirs()'.  This does not affect
+        any list of standard include directories that the compiler may
+        search by default.
+        """
+        self.include_dirs = dirs[:]
+
+    def add_library(self, libname):
+        """Add 'libname' to the list of libraries that will be included in
+        all links driven by this compiler object.  Note that 'libname'
+        should *not* be the name of a file containing a library, but the
+        name of the library itself: the actual filename will be inferred by
+        the linker, the compiler, or the compiler class (depending on the
+        platform).
+
+        The linker will be instructed to link against libraries in the
+        order they were supplied to 'add_library()' and/or
+        'set_libraries()'.  It is perfectly valid to duplicate library
+        names; the linker will be instructed to link against libraries as
+        many times as they are mentioned.
+        """
+        self.libraries.append(libname)
+
+    def set_libraries(self, libnames):
+        """Set the list of libraries to be included in all links driven by
+        this compiler object to 'libnames' (a list of strings).  This does
+        not affect any standard system libraries that the linker may
+        include by default.
+        """
+        self.libraries = libnames[:]
+
+    def add_library_dir(self, dir):
+        """Add 'dir' to the list of directories that will be searched for
+        libraries specified to 'add_library()' and 'set_libraries()'.  The
+        linker will be instructed to search for libraries in the order they
+        are supplied to 'add_library_dir()' and/or 'set_library_dirs()'.
+        """
+        self.library_dirs.append(dir)
+
+    def set_library_dirs(self, dirs):
+        """Set the list of library search directories to 'dirs' (a list of
+        strings).  This does not affect any standard library search path
+        that the linker may search by default.
+        """
+        self.library_dirs = dirs[:]
+
+    def add_runtime_library_dir(self, dir):
+        """Add 'dir' to the list of directories that will be searched for
+        shared libraries at runtime.
+        """
+        self.runtime_library_dirs.append(dir)
+
+    def set_runtime_library_dirs(self, dirs):
+        """Set the list of directories to search for shared libraries at
+        runtime to 'dirs' (a list of strings).  This does not affect any
+        standard search path that the runtime linker may search by
+        default.
+        """
+        self.runtime_library_dirs = dirs[:]
+
+    def add_link_object(self, object):
+        """Add 'object' to the list of object files (or analogues, such as
+        explicitly named library files or the output of "resource
+        compilers") to be included in every link driven by this compiler
+        object.
+        """
+        self.objects.append(object)
+
+    def set_link_objects(self, objects):
+        """Set the list of object files (or analogues) to be included in
+        every link to 'objects'.  This does not affect any standard object
+        files that the linker may include by default (such as system
+        libraries).
+        """
+        self.objects = objects[:]
+
+    # -- Private utility methods --------------------------------------
+    # (here for the convenience of subclasses)
+
+    # Helper method to prep compiler in subclass compile() methods
+
+    def _setup_compile(self, outdir, macros, incdirs, sources, depends, extra):
+        """Process arguments and decide which source files to compile."""
+        outdir, macros, incdirs = self._fix_compile_args(outdir, macros, incdirs)
+
+        if extra is None:
+            extra = []
+
+        # Get the list of expected output (object) files
+        objects = self.object_filenames(sources, strip_dir=0, output_dir=outdir)
+        assert len(objects) == len(sources)
+
+        pp_opts = gen_preprocess_options(macros, incdirs)
+
+        build = {}
+        for i in range(len(sources)):
+            src = sources[i]
+            obj = objects[i]
+            ext = os.path.splitext(src)[1]
+            self.mkpath(os.path.dirname(obj))
+            build[obj] = (src, ext)
+
+        return macros, objects, extra, pp_opts, build
+
+    def _get_cc_args(self, pp_opts, debug, before):
+        # works for unixccompiler, cygwinccompiler
+        cc_args = pp_opts + ['-c']
+        if debug:
+            cc_args[:0] = ['-g']
+        if before:
+            cc_args[:0] = before
+        return cc_args
+
+    def _fix_compile_args(self, output_dir, macros, include_dirs):
+        """Typecheck and fix-up some of the arguments to the 'compile()'
+        method, and return fixed-up values.  Specifically: if 'output_dir'
+        is None, replaces it with 'self.output_dir'; ensures that 'macros'
+        is a list, and augments it with 'self.macros'; ensures that
+        'include_dirs' is a list, and augments it with 'self.include_dirs'.
+        Guarantees that the returned values are of the correct type,
+        i.e. for 'output_dir' either string or None, and for 'macros' and
+        'include_dirs' either list or None.
+        """
+        if output_dir is None:
+            output_dir = self.output_dir
+        elif not isinstance(output_dir, str):
+            raise TypeError("'output_dir' must be a string or None")
+
+        if macros is None:
+            macros = self.macros
+        elif isinstance(macros, list):
+            macros = macros + (self.macros or [])
+        else:
+            raise TypeError("'macros' (if supplied) must be a list of tuples")
+
+        if include_dirs is None:
+            include_dirs = self.include_dirs
+        elif isinstance(include_dirs, (list, tuple)):
+            include_dirs = list(include_dirs) + (self.include_dirs or [])
+        else:
+            raise TypeError("'include_dirs' (if supplied) must be a list of strings")
+
+        # add include dirs for class
+        include_dirs += self.__class__.include_dirs
+
+        return output_dir, macros, include_dirs
+
+    def _prep_compile(self, sources, output_dir, depends=None):
+        """Decide which source files must be recompiled.
+
+        Determine the list of object files corresponding to 'sources',
+        and figure out which ones really need to be recompiled.
+        Return a list of all object files and a dictionary telling
+        which source files can be skipped.
+        """
+        # Get the list of expected output (object) files
+        objects = self.object_filenames(sources, output_dir=output_dir)
+        assert len(objects) == len(sources)
+
+        # Return an empty dict for the "which source files can be skipped"
+        # return value to preserve API compatibility.
+        return objects, {}
+
+    def _fix_object_args(self, objects, output_dir):
+        """Typecheck and fix up some arguments supplied to various methods.
+        Specifically: ensure that 'objects' is a list; if output_dir is
+        None, replace with self.output_dir.  Return fixed versions of
+        'objects' and 'output_dir'.
+        """
+        if not isinstance(objects, (list, tuple)):
+            raise TypeError("'objects' must be a list or tuple of strings")
+        objects = list(objects)
+
+        if output_dir is None:
+            output_dir = self.output_dir
+        elif not isinstance(output_dir, str):
+            raise TypeError("'output_dir' must be a string or None")
+
+        return (objects, output_dir)
+
+    def _fix_lib_args(self, libraries, library_dirs, runtime_library_dirs):
+        """Typecheck and fix up some of the arguments supplied to the
+        'link_*' methods.  Specifically: ensure that all arguments are
+        lists, and augment them with their permanent versions
+        (eg. 'self.libraries' augments 'libraries').  Return a tuple with
+        fixed versions of all arguments.
+        """
+        if libraries is None:
+            libraries = self.libraries
+        elif isinstance(libraries, (list, tuple)):
+            libraries = list(libraries) + (self.libraries or [])
+        else:
+            raise TypeError("'libraries' (if supplied) must be a list of strings")
+
+        if library_dirs is None:
+            library_dirs = self.library_dirs
+        elif isinstance(library_dirs, (list, tuple)):
+            library_dirs = list(library_dirs) + (self.library_dirs or [])
+        else:
+            raise TypeError("'library_dirs' (if supplied) must be a list of strings")
+
+        # add library dirs for class
+        library_dirs += self.__class__.library_dirs
+
+        if runtime_library_dirs is None:
+            runtime_library_dirs = self.runtime_library_dirs
+        elif isinstance(runtime_library_dirs, (list, tuple)):
+            runtime_library_dirs = list(runtime_library_dirs) + (
+                self.runtime_library_dirs or []
+            )
+        else:
+            raise TypeError(
+                "'runtime_library_dirs' (if supplied) " "must be a list of strings"
+            )
+
+        return (libraries, library_dirs, runtime_library_dirs)
+
+    def _need_link(self, objects, output_file):
+        """Return true if we need to relink the files listed in 'objects'
+        to recreate 'output_file'.
+        """
+        if self.force:
+            return True
+        else:
+            if self.dry_run:
+                newer = newer_group(objects, output_file, missing='newer')
+            else:
+                newer = newer_group(objects, output_file)
+            return newer
+
+    def detect_language(self, sources):
+        """Detect the language of a given file, or list of files. Uses
+        language_map, and language_order to do the job.
+        """
+        if not isinstance(sources, list):
+            sources = [sources]
+        lang = None
+        index = len(self.language_order)
+        for source in sources:
+            base, ext = os.path.splitext(source)
+            extlang = self.language_map.get(ext)
+            try:
+                extindex = self.language_order.index(extlang)
+                if extindex < index:
+                    lang = extlang
+                    index = extindex
+            except ValueError:
+                pass
+        return lang
+
+    # -- Worker methods ------------------------------------------------
+    # (must be implemented by subclasses)
+
+    def preprocess(
+        self,
+        source,
+        output_file=None,
+        macros=None,
+        include_dirs=None,
+        extra_preargs=None,
+        extra_postargs=None,
+    ):
+        """Preprocess a single C/C++ source file, named in 'source'.
+        Output will be written to file named 'output_file', or stdout if
+        'output_file' not supplied.  'macros' is a list of macro
+        definitions as for 'compile()', which will augment the macros set
+        with 'define_macro()' and 'undefine_macro()'.  'include_dirs' is a
+        list of directory names that will be added to the default list.
+
+        Raises PreprocessError on failure.
+        """
+        pass
+
+    def compile(
+        self,
+        sources,
+        output_dir=None,
+        macros=None,
+        include_dirs=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        depends=None,
+    ):
+        """Compile one or more source files.
+
+        'sources' must be a list of filenames, most likely C/C++
+        files, but in reality anything that can be handled by a
+        particular compiler and compiler class (eg. MSVCCompiler can
+        handle resource files in 'sources').  Return a list of object
+        filenames, one per source filename in 'sources'.  Depending on
+        the implementation, not all source files will necessarily be
+        compiled, but all corresponding object filenames will be
+        returned.
+
+        If 'output_dir' is given, object files will be put under it, while
+        retaining their original path component.  That is, "foo/bar.c"
+        normally compiles to "foo/bar.o" (for a Unix implementation); if
+        'output_dir' is "build", then it would compile to
+        "build/foo/bar.o".
+
+        'macros', if given, must be a list of macro definitions.  A macro
+        definition is either a (name, value) 2-tuple or a (name,) 1-tuple.
+        The former defines a macro; if the value is None, the macro is
+        defined without an explicit value.  The 1-tuple case undefines a
+        macro.  Later definitions/redefinitions/ undefinitions take
+        precedence.
+
+        'include_dirs', if given, must be a list of strings, the
+        directories to add to the default include file search path for this
+        compilation only.
+
+        'debug' is a boolean; if true, the compiler will be instructed to
+        output debug symbols in (or alongside) the object file(s).
+
+        'extra_preargs' and 'extra_postargs' are implementation- dependent.
+        On platforms that have the notion of a command-line (e.g. Unix,
+        DOS/Windows), they are most likely lists of strings: extra
+        command-line arguments to prepend/append to the compiler command
+        line.  On other platforms, consult the implementation class
+        documentation.  In any event, they are intended as an escape hatch
+        for those occasions when the abstract compiler framework doesn't
+        cut the mustard.
+
+        'depends', if given, is a list of filenames that all targets
+        depend on.  If a source file is older than any file in
+        depends, then the source file will be recompiled.  This
+        supports dependency tracking, but only at a coarse
+        granularity.
+
+        Raises CompileError on failure.
+        """
+        # A concrete compiler class can either override this method
+        # entirely or implement _compile().
+        macros, objects, extra_postargs, pp_opts, build = self._setup_compile(
+            output_dir, macros, include_dirs, sources, depends, extra_postargs
+        )
+        cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
+
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
+            self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
+
+        # Return *all* object filenames, not just the ones we just built.
+        return objects
+
+    def _compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts):
+        """Compile 'src' to product 'obj'."""
+        # A concrete compiler class that does not override compile()
+        # should implement _compile().
+        pass
+
+    def create_static_lib(
+        self, objects, output_libname, output_dir=None, debug=0, target_lang=None
+    ):
+        """Link a bunch of stuff together to create a static library file.
+        The "bunch of stuff" consists of the list of object files supplied
+        as 'objects', the extra object files supplied to
+        'add_link_object()' and/or 'set_link_objects()', the libraries
+        supplied to 'add_library()' and/or 'set_libraries()', and the
+        libraries supplied as 'libraries' (if any).
+
+        'output_libname' should be a library name, not a filename; the
+        filename will be inferred from the library name.  'output_dir' is
+        the directory where the library file will be put.
+
+        'debug' is a boolean; if true, debugging information will be
+        included in the library (note that on most platforms, it is the
+        compile step where this matters: the 'debug' flag is included here
+        just for consistency).
+
+        'target_lang' is the target language for which the given objects
+        are being compiled. This allows specific linkage time treatment of
+        certain languages.
+
+        Raises LibError on failure.
+        """
+        pass
+
+    # values for target_desc parameter in link()
+    SHARED_OBJECT = "shared_object"
+    SHARED_LIBRARY = "shared_library"
+    EXECUTABLE = "executable"
+
+    def link(
+        self,
+        target_desc,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+        """Link a bunch of stuff together to create an executable or
+        shared library file.
+
+        The "bunch of stuff" consists of the list of object files supplied
+        as 'objects'.  'output_filename' should be a filename.  If
+        'output_dir' is supplied, 'output_filename' is relative to it
+        (i.e. 'output_filename' can provide directory components if
+        needed).
+
+        'libraries' is a list of libraries to link against.  These are
+        library names, not filenames, since they're translated into
+        filenames in a platform-specific way (eg. "foo" becomes "libfoo.a"
+        on Unix and "foo.lib" on DOS/Windows).  However, they can include a
+        directory component, which means the linker will look in that
+        specific directory rather than searching all the normal locations.
+
+        'library_dirs', if supplied, should be a list of directories to
+        search for libraries that were specified as bare library names
+        (ie. no directory component).  These are on top of the system
+        default and those supplied to 'add_library_dir()' and/or
+        'set_library_dirs()'.  'runtime_library_dirs' is a list of
+        directories that will be embedded into the shared library and used
+        to search for other shared libraries that *it* depends on at
+        run-time.  (This may only be relevant on Unix.)
+
+        'export_symbols' is a list of symbols that the shared library will
+        export.  (This appears to be relevant only on Windows.)
+
+        'debug' is as for 'compile()' and 'create_static_lib()', with the
+        slight distinction that it actually matters on most platforms (as
+        opposed to 'create_static_lib()', which includes a 'debug' flag
+        mostly for form's sake).
+
+        'extra_preargs' and 'extra_postargs' are as for 'compile()' (except
+        of course that they supply command-line arguments for the
+        particular linker being used).
+
+        'target_lang' is the target language for which the given objects
+        are being compiled. This allows specific linkage time treatment of
+        certain languages.
+
+        Raises LinkError on failure.
+        """
+        raise NotImplementedError
+
+    # Old 'link_*()' methods, rewritten to use the new 'link()' method.
+
+    def link_shared_lib(
+        self,
+        objects,
+        output_libname,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+        self.link(
+            CCompiler.SHARED_LIBRARY,
+            objects,
+            self.library_filename(output_libname, lib_type='shared'),
+            output_dir,
+            libraries,
+            library_dirs,
+            runtime_library_dirs,
+            export_symbols,
+            debug,
+            extra_preargs,
+            extra_postargs,
+            build_temp,
+            target_lang,
+        )
+
+    def link_shared_object(
+        self,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+        self.link(
+            CCompiler.SHARED_OBJECT,
+            objects,
+            output_filename,
+            output_dir,
+            libraries,
+            library_dirs,
+            runtime_library_dirs,
+            export_symbols,
+            debug,
+            extra_preargs,
+            extra_postargs,
+            build_temp,
+            target_lang,
+        )
+
+    def link_executable(
+        self,
+        objects,
+        output_progname,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        target_lang=None,
+    ):
+        self.link(
+            CCompiler.EXECUTABLE,
+            objects,
+            self.executable_filename(output_progname),
+            output_dir,
+            libraries,
+            library_dirs,
+            runtime_library_dirs,
+            None,
+            debug,
+            extra_preargs,
+            extra_postargs,
+            None,
+            target_lang,
+        )
+
+    # -- Miscellaneous methods -----------------------------------------
+    # These are all used by the 'gen_lib_options() function; there is
+    # no appropriate default implementation so subclasses should
+    # implement all of these.
+
+    def library_dir_option(self, dir):
+        """Return the compiler option to add 'dir' to the list of
+        directories searched for libraries.
+        """
+        raise NotImplementedError
+
+    def runtime_library_dir_option(self, dir):
+        """Return the compiler option to add 'dir' to the list of
+        directories searched for runtime libraries.
+        """
+        raise NotImplementedError
+
+    def library_option(self, lib):
+        """Return the compiler option to add 'lib' to the list of libraries
+        linked into the shared library or executable.
+        """
+        raise NotImplementedError
+
+    def has_function(  # noqa: C901
+        self,
+        funcname,
+        includes=None,
+        include_dirs=None,
+        libraries=None,
+        library_dirs=None,
+    ):
+        """Return a boolean indicating whether funcname is supported on
+        the current platform.  The optional arguments can be used to
+        augment the compilation environment.
+        """
+        # this can't be included at module scope because it tries to
+        # import math which might not be available at that point - maybe
+        # the necessary logic should just be inlined?
+        import tempfile
+
+        if includes is None:
+            includes = []
+        if include_dirs is None:
+            include_dirs = []
+        if libraries is None:
+            libraries = []
+        if library_dirs is None:
+            library_dirs = []
+        fd, fname = tempfile.mkstemp(".c", funcname, text=True)
+        f = os.fdopen(fd, "w")
+        try:
+            for incl in includes:
+                f.write("""#include "%s"\n""" % incl)
+            f.write(
+                """\
+int main (int argc, char **argv) {
+    %s();
+    return 0;
+}
+"""
+                % funcname
+            )
+        finally:
+            f.close()
+        try:
+            objects = self.compile([fname], include_dirs=include_dirs)
+        except CompileError:
+            return False
+        finally:
+            os.remove(fname)
+
+        try:
+            self.link_executable(
+                objects, "a.out", libraries=libraries, library_dirs=library_dirs
+            )
+        except (LinkError, TypeError):
+            return False
+        else:
+            os.remove(os.path.join(self.output_dir or '', "a.out"))
+        finally:
+            for fn in objects:
+                os.remove(fn)
+        return True
+
+    def find_library_file(self, dirs, lib, debug=0):
+        """Search the specified list of directories for a static or shared
+        library file 'lib' and return the full path to that file.  If
+        'debug' true, look for a debugging version (if that makes sense on
+        the current platform).  Return None if 'lib' wasn't found in any of
+        the specified directories.
+        """
+        raise NotImplementedError
+
+    # -- Filename generation methods -----------------------------------
+
+    # The default implementation of the filename generating methods are
+    # prejudiced towards the Unix/DOS/Windows view of the world:
+    #   * object files are named by replacing the source file extension
+    #     (eg. .c/.cpp -> .o/.obj)
+    #   * library files (shared or static) are named by plugging the
+    #     library name and extension into a format string, eg.
+    #     "lib%s.%s" % (lib_name, ".a") for Unix static libraries
+    #   * executables are named by appending an extension (possibly
+    #     empty) to the program name: eg. progname + ".exe" for
+    #     Windows
+    #
+    # To reduce redundant code, these methods expect to find
+    # several attributes in the current object (presumably defined
+    # as class attributes):
+    #   * src_extensions -
+    #     list of C/C++ source file extensions, eg. ['.c', '.cpp']
+    #   * obj_extension -
+    #     object file extension, eg. '.o' or '.obj'
+    #   * static_lib_extension -
+    #     extension for static library files, eg. '.a' or '.lib'
+    #   * shared_lib_extension -
+    #     extension for shared library/object files, eg. '.so', '.dll'
+    #   * static_lib_format -
+    #     format string for generating static library filenames,
+    #     eg. 'lib%s.%s' or '%s.%s'
+    #   * shared_lib_format
+    #     format string for generating shared library filenames
+    #     (probably same as static_lib_format, since the extension
+    #     is one of the intended parameters to the format string)
+    #   * exe_extension -
+    #     extension for executable files, eg. '' or '.exe'
+
+    def object_filenames(self, source_filenames, strip_dir=0, output_dir=''):
+        if output_dir is None:
+            output_dir = ''
+        return list(
+            self._make_out_path(output_dir, strip_dir, src_name)
+            for src_name in source_filenames
+        )
+
+    @property
+    def out_extensions(self):
+        return dict.fromkeys(self.src_extensions, self.obj_extension)
+
+    def _make_out_path(self, output_dir, strip_dir, src_name):
+        base, ext = os.path.splitext(src_name)
+        base = self._make_relative(base)
+        try:
+            new_ext = self.out_extensions[ext]
+        except LookupError:
+            raise UnknownFileError(
+                "unknown file type '{}' (from '{}')".format(ext, src_name)
+            )
+        if strip_dir:
+            base = os.path.basename(base)
+        return os.path.join(output_dir, base + new_ext)
+
+    @staticmethod
+    def _make_relative(base):
+        """
+        In order to ensure that a filename always honors the
+        indicated output_dir, make sure it's relative.
+        Ref python/cpython#37775.
+        """
+        # Chop off the drive
+        no_drive = os.path.splitdrive(base)[1]
+        # If abs, chop off leading /
+        return no_drive[os.path.isabs(no_drive) :]
+
+    def shared_object_filename(self, basename, strip_dir=0, output_dir=''):
+        assert output_dir is not None
+        if strip_dir:
+            basename = os.path.basename(basename)
+        return os.path.join(output_dir, basename + self.shared_lib_extension)
+
+    def executable_filename(self, basename, strip_dir=0, output_dir=''):
+        assert output_dir is not None
+        if strip_dir:
+            basename = os.path.basename(basename)
+        return os.path.join(output_dir, basename + (self.exe_extension or ''))
+
+    def library_filename(
+        self, libname, lib_type='static', strip_dir=0, output_dir=''  # or 'shared'
+    ):
+        assert output_dir is not None
+        expected = '"static", "shared", "dylib", "xcode_stub"'
+        if lib_type not in eval(expected):
+            raise ValueError(f"'lib_type' must be {expected}")
+        fmt = getattr(self, lib_type + "_lib_format")
+        ext = getattr(self, lib_type + "_lib_extension")
+
+        dir, base = os.path.split(libname)
+        filename = fmt % (base, ext)
+        if strip_dir:
+            dir = ''
+
+        return os.path.join(output_dir, dir, filename)
+
+    # -- Utility methods -----------------------------------------------
+
+    def announce(self, msg, level=1):
+        log.debug(msg)
+
+    def debug_print(self, msg):
+        from distutils.debug import DEBUG
+
+        if DEBUG:
+            print(msg)
+
+    def warn(self, msg):
+        sys.stderr.write("warning: %s\n" % msg)
+
+    def execute(self, func, args, msg=None, level=1):
+        execute(func, args, msg, self.dry_run)
+
+    def spawn(self, cmd, **kwargs):
+        spawn(cmd, dry_run=self.dry_run, **kwargs)
+
+    def move_file(self, src, dst):
+        return move_file(src, dst, dry_run=self.dry_run)
+
+    def mkpath(self, name, mode=0o777):
+        mkpath(name, mode, dry_run=self.dry_run)
+
+
+# Map a sys.platform/os.name ('posix', 'nt') to the default compiler
+# type for that platform. Keys are interpreted as re match
+# patterns. Order is important; platform mappings are preferred over
+# OS names.
+_default_compilers = (
+    # Platform string mappings
+    # on a cygwin built python we can use gcc like an ordinary UNIXish
+    # compiler
+    ('cygwin.*', 'unix'),
+    # OS name mappings
+    ('posix', 'unix'),
+    ('nt', 'msvc'),
+)
+
+
+def get_default_compiler(osname=None, platform=None):
+    """Determine the default compiler to use for the given platform.
+
+    osname should be one of the standard Python OS names (i.e. the
+    ones returned by os.name) and platform the common value
+    returned by sys.platform for the platform in question.
+
+    The default values are os.name and sys.platform in case the
+    parameters are not given.
+    """
+    if osname is None:
+        osname = os.name
+    if platform is None:
+        platform = sys.platform
+    for pattern, compiler in _default_compilers:
+        if (
+            re.match(pattern, platform) is not None
+            or re.match(pattern, osname) is not None
+        ):
+            return compiler
+    # Default to Unix compiler
+    return 'unix'
+
+
+# Map compiler types to (module_name, class_name) pairs -- ie. where to
+# find the code that implements an interface to this compiler.  (The module
+# is assumed to be in the 'distutils' package.)
+compiler_class = {
+    'unix': ('unixccompiler', 'UnixCCompiler', "standard UNIX-style compiler"),
+    'msvc': ('_msvccompiler', 'MSVCCompiler', "Microsoft Visual C++"),
+    'cygwin': (
+        'cygwinccompiler',
+        'CygwinCCompiler',
+        "Cygwin port of GNU C Compiler for Win32",
+    ),
+    'mingw32': (
+        'cygwinccompiler',
+        'Mingw32CCompiler',
+        "Mingw32 port of GNU C Compiler for Win32",
+    ),
+    'bcpp': ('bcppcompiler', 'BCPPCompiler', "Borland C++ Compiler"),
+}
+
+
+def show_compilers():
+    """Print list of available compilers (used by the "--help-compiler"
+    options to "build", "build_ext", "build_clib").
+    """
+    # XXX this "knows" that the compiler option it's describing is
+    # "--compiler", which just happens to be the case for the three
+    # commands that use it.
+    from distutils.fancy_getopt import FancyGetopt
+
+    compilers = []
+    for compiler in compiler_class.keys():
+        compilers.append(("compiler=" + compiler, None, compiler_class[compiler][2]))
+    compilers.sort()
+    pretty_printer = FancyGetopt(compilers)
+    pretty_printer.print_help("List of available compilers:")
+
+
+def new_compiler(plat=None, compiler=None, verbose=0, dry_run=0, force=0):
+    """Generate an instance of some CCompiler subclass for the supplied
+    platform/compiler combination.  'plat' defaults to 'os.name'
+    (eg. 'posix', 'nt'), and 'compiler' defaults to the default compiler
+    for that platform.  Currently only 'posix' and 'nt' are supported, and
+    the default compilers are "traditional Unix interface" (UnixCCompiler
+    class) and Visual C++ (MSVCCompiler class).  Note that it's perfectly
+    possible to ask for a Unix compiler object under Windows, and a
+    Microsoft compiler object under Unix -- if you supply a value for
+    'compiler', 'plat' is ignored.
+    """
+    if plat is None:
+        plat = os.name
+
+    try:
+        if compiler is None:
+            compiler = get_default_compiler(plat)
+
+        (module_name, class_name, long_description) = compiler_class[compiler]
+    except KeyError:
+        msg = "don't know how to compile C/C++ code on platform '%s'" % plat
+        if compiler is not None:
+            msg = msg + " with '%s' compiler" % compiler
+        raise DistutilsPlatformError(msg)
+
+    try:
+        module_name = "distutils." + module_name
+        __import__(module_name)
+        module = sys.modules[module_name]
+        klass = vars(module)[class_name]
+    except ImportError:
+        raise DistutilsModuleError(
+            "can't compile C/C++ code: unable to load module '%s'" % module_name
+        )
+    except KeyError:
+        raise DistutilsModuleError(
+            "can't compile C/C++ code: unable to find class '%s' "
+            "in module '%s'" % (class_name, module_name)
+        )
+
+    # XXX The None is necessary to preserve backwards compatibility
+    # with classes that expect verbose to be the first positional
+    # argument.
+    return klass(None, dry_run, force)
+
+
+def gen_preprocess_options(macros, include_dirs):
+    """Generate C pre-processor options (-D, -U, -I) as used by at least
+    two types of compilers: the typical Unix compiler and Visual C++.
+    'macros' is the usual thing, a list of 1- or 2-tuples, where (name,)
+    means undefine (-U) macro 'name', and (name,value) means define (-D)
+    macro 'name' to 'value'.  'include_dirs' is just a list of directory
+    names to be added to the header file search path (-I).  Returns a list
+    of command-line options suitable for either Unix compilers or Visual
+    C++.
+    """
+    # XXX it would be nice (mainly aesthetic, and so we don't generate
+    # stupid-looking command lines) to go over 'macros' and eliminate
+    # redundant definitions/undefinitions (ie. ensure that only the
+    # latest mention of a particular macro winds up on the command
+    # line).  I don't think it's essential, though, since most (all?)
+    # Unix C compilers only pay attention to the latest -D or -U
+    # mention of a macro on their command line.  Similar situation for
+    # 'include_dirs'.  I'm punting on both for now.  Anyways, weeding out
+    # redundancies like this should probably be the province of
+    # CCompiler, since the data structures used are inherited from it
+    # and therefore common to all CCompiler classes.
+    pp_opts = []
+    for macro in macros:
+        if not (isinstance(macro, tuple) and 1 <= len(macro) <= 2):
+            raise TypeError(
+                "bad macro definition '%s': "
+                "each element of 'macros' list must be a 1- or 2-tuple" % macro
+            )
+
+        if len(macro) == 1:  # undefine this macro
+            pp_opts.append("-U%s" % macro[0])
+        elif len(macro) == 2:
+            if macro[1] is None:  # define with no explicit value
+                pp_opts.append("-D%s" % macro[0])
+            else:
+                # XXX *don't* need to be clever about quoting the
+                # macro value here, because we're going to avoid the
+                # shell at all costs when we spawn the command!
+                pp_opts.append("-D%s=%s" % macro)
+
+    for dir in include_dirs:
+        pp_opts.append("-I%s" % dir)
+    return pp_opts
+
+
+def gen_lib_options(compiler, library_dirs, runtime_library_dirs, libraries):
+    """Generate linker options for searching library directories and
+    linking with specific libraries.  'libraries' and 'library_dirs' are,
+    respectively, lists of library names (not filenames!) and search
+    directories.  Returns a list of command-line options suitable for use
+    with some compiler (depending on the two format strings passed in).
+    """
+    lib_opts = []
+
+    for dir in library_dirs:
+        lib_opts.append(compiler.library_dir_option(dir))
+
+    for dir in runtime_library_dirs:
+        opt = compiler.runtime_library_dir_option(dir)
+        if isinstance(opt, list):
+            lib_opts = lib_opts + opt
+        else:
+            lib_opts.append(opt)
+
+    # XXX it's important that we *not* remove redundant library mentions!
+    # sometimes you really do have to say "-lfoo -lbar -lfoo" in order to
+    # resolve all symbols.  I just hope we never have to say "-lfoo obj.o
+    # -lbar" to get things to work -- that's certainly a possibility, but a
+    # pretty nasty way to arrange your C code.
+
+    for lib in libraries:
+        (lib_dir, lib_name) = os.path.split(lib)
+        if lib_dir:
+            lib_file = compiler.find_library_file([lib_dir], lib_name)
+            if lib_file:
+                lib_opts.append(lib_file)
+            else:
+                compiler.warn(
+                    "no library file corresponding to " "'%s' found (skipping)" % lib
+                )
+        else:
+            lib_opts.append(compiler.library_option(lib))
+    return lib_opts
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/cmd.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/cmd.py
new file mode 100644
index 00000000..68a9267c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/cmd.py
@@ -0,0 +1,436 @@
+"""distutils.cmd
+
+Provides the Command class, the base class for the command classes
+in the distutils.command package.
+"""
+
+import sys
+import os
+import re
+from distutils.errors import DistutilsOptionError
+from distutils import util, dir_util, file_util, archive_util, dep_util
+from distutils import log
+
+
+class Command:
+    """Abstract base class for defining command classes, the "worker bees"
+    of the Distutils.  A useful analogy for command classes is to think of
+    them as subroutines with local variables called "options".  The options
+    are "declared" in 'initialize_options()' and "defined" (given their
+    final values, aka "finalized") in 'finalize_options()', both of which
+    must be defined by every command class.  The distinction between the
+    two is necessary because option values might come from the outside
+    world (command line, config file, ...), and any options dependent on
+    other options must be computed *after* these outside influences have
+    been processed -- hence 'finalize_options()'.  The "body" of the
+    subroutine, where it does all its work based on the values of its
+    options, is the 'run()' method, which must also be implemented by every
+    command class.
+    """
+
+    # 'sub_commands' formalizes the notion of a "family" of commands,
+    # eg. "install" as the parent with sub-commands "install_lib",
+    # "install_headers", etc.  The parent of a family of commands
+    # defines 'sub_commands' as a class attribute; it's a list of
+    #    (command_name : string, predicate : unbound_method | string | None)
+    # tuples, where 'predicate' is a method of the parent command that
+    # determines whether the corresponding command is applicable in the
+    # current situation.  (Eg. we "install_headers" is only applicable if
+    # we have any C header files to install.)  If 'predicate' is None,
+    # that command is always applicable.
+    #
+    # 'sub_commands' is usually defined at the *end* of a class, because
+    # predicates can be unbound methods, so they must already have been
+    # defined.  The canonical example is the "install" command.
+    sub_commands = []
+
+    # -- Creation/initialization methods -------------------------------
+
+    def __init__(self, dist):
+        """Create and initialize a new Command object.  Most importantly,
+        invokes the 'initialize_options()' method, which is the real
+        initializer and depends on the actual command being
+        instantiated.
+        """
+        # late import because of mutual dependence between these classes
+        from distutils.dist import Distribution
+
+        if not isinstance(dist, Distribution):
+            raise TypeError("dist must be a Distribution instance")
+        if self.__class__ is Command:
+            raise RuntimeError("Command is an abstract class")
+
+        self.distribution = dist
+        self.initialize_options()
+
+        # Per-command versions of the global flags, so that the user can
+        # customize Distutils' behaviour command-by-command and let some
+        # commands fall back on the Distribution's behaviour.  None means
+        # "not defined, check self.distribution's copy", while 0 or 1 mean
+        # false and true (duh).  Note that this means figuring out the real
+        # value of each flag is a touch complicated -- hence "self._dry_run"
+        # will be handled by __getattr__, below.
+        # XXX This needs to be fixed.
+        self._dry_run = None
+
+        # verbose is largely ignored, but needs to be set for
+        # backwards compatibility (I think)?
+        self.verbose = dist.verbose
+
+        # Some commands define a 'self.force' option to ignore file
+        # timestamps, but methods defined *here* assume that
+        # 'self.force' exists for all commands.  So define it here
+        # just to be safe.
+        self.force = None
+
+        # The 'help' flag is just used for command-line parsing, so
+        # none of that complicated bureaucracy is needed.
+        self.help = 0
+
+        # 'finalized' records whether or not 'finalize_options()' has been
+        # called.  'finalize_options()' itself should not pay attention to
+        # this flag: it is the business of 'ensure_finalized()', which
+        # always calls 'finalize_options()', to respect/update it.
+        self.finalized = 0
+
+    # XXX A more explicit way to customize dry_run would be better.
+    def __getattr__(self, attr):
+        if attr == 'dry_run':
+            myval = getattr(self, "_" + attr)
+            if myval is None:
+                return getattr(self.distribution, attr)
+            else:
+                return myval
+        else:
+            raise AttributeError(attr)
+
+    def ensure_finalized(self):
+        if not self.finalized:
+            self.finalize_options()
+        self.finalized = 1
+
+    # Subclasses must define:
+    #   initialize_options()
+    #     provide default values for all options; may be customized by
+    #     setup script, by options from config file(s), or by command-line
+    #     options
+    #   finalize_options()
+    #     decide on the final values for all options; this is called
+    #     after all possible intervention from the outside world
+    #     (command-line, option file, etc.) has been processed
+    #   run()
+    #     run the command: do whatever it is we're here to do,
+    #     controlled by the command's various option values
+
+    def initialize_options(self):
+        """Set default values for all the options that this command
+        supports.  Note that these defaults may be overridden by other
+        commands, by the setup script, by config files, or by the
+        command-line.  Thus, this is not the place to code dependencies
+        between options; generally, 'initialize_options()' implementations
+        are just a bunch of "self.foo = None" assignments.
+
+        This method must be implemented by all command classes.
+        """
+        raise RuntimeError(
+            "abstract method -- subclass %s must override" % self.__class__
+        )
+
+    def finalize_options(self):
+        """Set final values for all the options that this command supports.
+        This is always called as late as possible, ie.  after any option
+        assignments from the command-line or from other commands have been
+        done.  Thus, this is the place to code option dependencies: if
+        'foo' depends on 'bar', then it is safe to set 'foo' from 'bar' as
+        long as 'foo' still has the same value it was assigned in
+        'initialize_options()'.
+
+        This method must be implemented by all command classes.
+        """
+        raise RuntimeError(
+            "abstract method -- subclass %s must override" % self.__class__
+        )
+
+    def dump_options(self, header=None, indent=""):
+        from distutils.fancy_getopt import longopt_xlate
+
+        if header is None:
+            header = "command options for '%s':" % self.get_command_name()
+        self.announce(indent + header, level=log.INFO)
+        indent = indent + "  "
+        for (option, _, _) in self.user_options:
+            option = option.translate(longopt_xlate)
+            if option[-1] == "=":
+                option = option[:-1]
+            value = getattr(self, option)
+            self.announce(indent + "{} = {}".format(option, value), level=log.INFO)
+
+    def run(self):
+        """A command's raison d'etre: carry out the action it exists to
+        perform, controlled by the options initialized in
+        'initialize_options()', customized by other commands, the setup
+        script, the command-line, and config files, and finalized in
+        'finalize_options()'.  All terminal output and filesystem
+        interaction should be done by 'run()'.
+
+        This method must be implemented by all command classes.
+        """
+        raise RuntimeError(
+            "abstract method -- subclass %s must override" % self.__class__
+        )
+
+    def announce(self, msg, level=1):
+        """If the current verbosity level is of greater than or equal to
+        'level' print 'msg' to stdout.
+        """
+        log.log(level, msg)
+
+    def debug_print(self, msg):
+        """Print 'msg' to stdout if the global DEBUG (taken from the
+        DISTUTILS_DEBUG environment variable) flag is true.
+        """
+        from distutils.debug import DEBUG
+
+        if DEBUG:
+            print(msg)
+            sys.stdout.flush()
+
+    # -- Option validation methods -------------------------------------
+    # (these are very handy in writing the 'finalize_options()' method)
+    #
+    # NB. the general philosophy here is to ensure that a particular option
+    # value meets certain type and value constraints.  If not, we try to
+    # force it into conformance (eg. if we expect a list but have a string,
+    # split the string on comma and/or whitespace).  If we can't force the
+    # option into conformance, raise DistutilsOptionError.  Thus, command
+    # classes need do nothing more than (eg.)
+    #   self.ensure_string_list('foo')
+    # and they can be guaranteed that thereafter, self.foo will be
+    # a list of strings.
+
+    def _ensure_stringlike(self, option, what, default=None):
+        val = getattr(self, option)
+        if val is None:
+            setattr(self, option, default)
+            return default
+        elif not isinstance(val, str):
+            raise DistutilsOptionError(
+                "'{}' must be a {} (got `{}`)".format(option, what, val)
+            )
+        return val
+
+    def ensure_string(self, option, default=None):
+        """Ensure that 'option' is a string; if not defined, set it to
+        'default'.
+        """
+        self._ensure_stringlike(option, "string", default)
+
+    def ensure_string_list(self, option):
+        r"""Ensure that 'option' is a list of strings.  If 'option' is
+        currently a string, we split it either on /,\s*/ or /\s+/, so
+        "foo bar baz", "foo,bar,baz", and "foo,   bar baz" all become
+        ["foo", "bar", "baz"].
+        """
+        val = getattr(self, option)
+        if val is None:
+            return
+        elif isinstance(val, str):
+            setattr(self, option, re.split(r',\s*|\s+', val))
+        else:
+            if isinstance(val, list):
+                ok = all(isinstance(v, str) for v in val)
+            else:
+                ok = False
+            if not ok:
+                raise DistutilsOptionError(
+                    "'{}' must be a list of strings (got {!r})".format(option, val)
+                )
+
+    def _ensure_tested_string(self, option, tester, what, error_fmt, default=None):
+        val = self._ensure_stringlike(option, what, default)
+        if val is not None and not tester(val):
+            raise DistutilsOptionError(
+                ("error in '%s' option: " + error_fmt) % (option, val)
+            )
+
+    def ensure_filename(self, option):
+        """Ensure that 'option' is the name of an existing file."""
+        self._ensure_tested_string(
+            option, os.path.isfile, "filename", "'%s' does not exist or is not a file"
+        )
+
+    def ensure_dirname(self, option):
+        self._ensure_tested_string(
+            option,
+            os.path.isdir,
+            "directory name",
+            "'%s' does not exist or is not a directory",
+        )
+
+    # -- Convenience methods for commands ------------------------------
+
+    def get_command_name(self):
+        if hasattr(self, 'command_name'):
+            return self.command_name
+        else:
+            return self.__class__.__name__
+
+    def set_undefined_options(self, src_cmd, *option_pairs):
+        """Set the values of any "undefined" options from corresponding
+        option values in some other command object.  "Undefined" here means
+        "is None", which is the convention used to indicate that an option
+        has not been changed between 'initialize_options()' and
+        'finalize_options()'.  Usually called from 'finalize_options()' for
+        options that depend on some other command rather than another
+        option of the same command.  'src_cmd' is the other command from
+        which option values will be taken (a command object will be created
+        for it if necessary); the remaining arguments are
+        '(src_option,dst_option)' tuples which mean "take the value of
+        'src_option' in the 'src_cmd' command object, and copy it to
+        'dst_option' in the current command object".
+        """
+        # Option_pairs: list of (src_option, dst_option) tuples
+        src_cmd_obj = self.distribution.get_command_obj(src_cmd)
+        src_cmd_obj.ensure_finalized()
+        for (src_option, dst_option) in option_pairs:
+            if getattr(self, dst_option) is None:
+                setattr(self, dst_option, getattr(src_cmd_obj, src_option))
+
+    def get_finalized_command(self, command, create=1):
+        """Wrapper around Distribution's 'get_command_obj()' method: find
+        (create if necessary and 'create' is true) the command object for
+        'command', call its 'ensure_finalized()' method, and return the
+        finalized command object.
+        """
+        cmd_obj = self.distribution.get_command_obj(command, create)
+        cmd_obj.ensure_finalized()
+        return cmd_obj
+
+    # XXX rename to 'get_reinitialized_command()'? (should do the
+    # same in dist.py, if so)
+    def reinitialize_command(self, command, reinit_subcommands=0):
+        return self.distribution.reinitialize_command(command, reinit_subcommands)
+
+    def run_command(self, command):
+        """Run some other command: uses the 'run_command()' method of
+        Distribution, which creates and finalizes the command object if
+        necessary and then invokes its 'run()' method.
+        """
+        self.distribution.run_command(command)
+
+    def get_sub_commands(self):
+        """Determine the sub-commands that are relevant in the current
+        distribution (ie., that need to be run).  This is based on the
+        'sub_commands' class attribute: each tuple in that list may include
+        a method that we call to determine if the subcommand needs to be
+        run for the current distribution.  Return a list of command names.
+        """
+        commands = []
+        for (cmd_name, method) in self.sub_commands:
+            if method is None or method(self):
+                commands.append(cmd_name)
+        return commands
+
+    # -- External world manipulation -----------------------------------
+
+    def warn(self, msg):
+        log.warn("warning: %s: %s\n", self.get_command_name(), msg)
+
+    def execute(self, func, args, msg=None, level=1):
+        util.execute(func, args, msg, dry_run=self.dry_run)
+
+    def mkpath(self, name, mode=0o777):
+        dir_util.mkpath(name, mode, dry_run=self.dry_run)
+
+    def copy_file(
+        self, infile, outfile, preserve_mode=1, preserve_times=1, link=None, level=1
+    ):
+        """Copy a file respecting verbose, dry-run and force flags.  (The
+        former two default to whatever is in the Distribution object, and
+        the latter defaults to false for commands that don't define it.)"""
+        return file_util.copy_file(
+            infile,
+            outfile,
+            preserve_mode,
+            preserve_times,
+            not self.force,
+            link,
+            dry_run=self.dry_run,
+        )
+
+    def copy_tree(
+        self,
+        infile,
+        outfile,
+        preserve_mode=1,
+        preserve_times=1,
+        preserve_symlinks=0,
+        level=1,
+    ):
+        """Copy an entire directory tree respecting verbose, dry-run,
+        and force flags.
+        """
+        return dir_util.copy_tree(
+            infile,
+            outfile,
+            preserve_mode,
+            preserve_times,
+            preserve_symlinks,
+            not self.force,
+            dry_run=self.dry_run,
+        )
+
+    def move_file(self, src, dst, level=1):
+        """Move a file respecting dry-run flag."""
+        return file_util.move_file(src, dst, dry_run=self.dry_run)
+
+    def spawn(self, cmd, search_path=1, level=1):
+        """Spawn an external command respecting dry-run flag."""
+        from distutils.spawn import spawn
+
+        spawn(cmd, search_path, dry_run=self.dry_run)
+
+    def make_archive(
+        self, base_name, format, root_dir=None, base_dir=None, owner=None, group=None
+    ):
+        return archive_util.make_archive(
+            base_name,
+            format,
+            root_dir,
+            base_dir,
+            dry_run=self.dry_run,
+            owner=owner,
+            group=group,
+        )
+
+    def make_file(
+        self, infiles, outfile, func, args, exec_msg=None, skip_msg=None, level=1
+    ):
+        """Special case of 'execute()' for operations that process one or
+        more input files and generate one output file.  Works just like
+        'execute()', except the operation is skipped and a different
+        message printed if 'outfile' already exists and is newer than all
+        files listed in 'infiles'.  If the command defined 'self.force',
+        and it is true, then the command is unconditionally run -- does no
+        timestamp checks.
+        """
+        if skip_msg is None:
+            skip_msg = "skipping %s (inputs unchanged)" % outfile
+
+        # Allow 'infiles' to be a single string
+        if isinstance(infiles, str):
+            infiles = (infiles,)
+        elif not isinstance(infiles, (list, tuple)):
+            raise TypeError("'infiles' must be a string, or a list or tuple of strings")
+
+        if exec_msg is None:
+            exec_msg = "generating {} from {}".format(outfile, ', '.join(infiles))
+
+        # If 'outfile' must be regenerated (either because it doesn't
+        # exist, is out-of-date, or the 'force' flag is true) then
+        # perform the action that presumably regenerates it
+        if self.force or dep_util.newer_group(infiles, outfile):
+            self.execute(func, args, exec_msg, level)
+        # Otherwise, print the "skip" message
+        else:
+            log.debug(skip_msg)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/__init__.py
new file mode 100644
index 00000000..028dcfa0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/__init__.py
@@ -0,0 +1,25 @@
+"""distutils.command
+
+Package containing implementation of all the standard Distutils
+commands."""
+
+__all__ = [  # noqa: F822
+    'build',
+    'build_py',
+    'build_ext',
+    'build_clib',
+    'build_scripts',
+    'clean',
+    'install',
+    'install_lib',
+    'install_headers',
+    'install_scripts',
+    'install_data',
+    'sdist',
+    'register',
+    'bdist',
+    'bdist_dumb',
+    'bdist_rpm',
+    'check',
+    'upload',
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/_framework_compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/_framework_compat.py
new file mode 100644
index 00000000..cffa27cb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/_framework_compat.py
@@ -0,0 +1,55 @@
+"""
+Backward compatibility for homebrew builds on macOS.
+"""
+
+
+import sys
+import os
+import functools
+import subprocess
+import sysconfig
+
+
+@functools.lru_cache()
+def enabled():
+    """
+    Only enabled for Python 3.9 framework homebrew builds
+    except ensurepip and venv.
+    """
+    PY39 = (3, 9) < sys.version_info < (3, 10)
+    framework = sys.platform == 'darwin' and sys._framework
+    homebrew = "Cellar" in sysconfig.get_config_var('projectbase')
+    venv = sys.prefix != sys.base_prefix
+    ensurepip = os.environ.get("ENSUREPIP_OPTIONS")
+    return PY39 and framework and homebrew and not venv and not ensurepip
+
+
+schemes = dict(
+    osx_framework_library=dict(
+        stdlib='{installed_base}/{platlibdir}/python{py_version_short}',
+        platstdlib='{platbase}/{platlibdir}/python{py_version_short}',
+        purelib='{homebrew_prefix}/lib/python{py_version_short}/site-packages',
+        platlib='{homebrew_prefix}/{platlibdir}/python{py_version_short}/site-packages',
+        include='{installed_base}/include/python{py_version_short}{abiflags}',
+        platinclude='{installed_platbase}/include/python{py_version_short}{abiflags}',
+        scripts='{homebrew_prefix}/bin',
+        data='{homebrew_prefix}',
+    )
+)
+
+
+@functools.lru_cache()
+def vars():
+    if not enabled():
+        return {}
+    homebrew_prefix = subprocess.check_output(['brew', '--prefix'], text=True).strip()
+    return locals()
+
+
+def scheme(name):
+    """
+    Override the selected scheme for posix_prefix.
+    """
+    if not enabled() or not name.endswith('_prefix'):
+        return name
+    return 'osx_framework_library'
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist.py
new file mode 100644
index 00000000..de37dae0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist.py
@@ -0,0 +1,157 @@
+"""distutils.command.bdist
+
+Implements the Distutils 'bdist' command (create a built [binary]
+distribution)."""
+
+import os
+import warnings
+
+from distutils.core import Command
+from distutils.errors import DistutilsPlatformError, DistutilsOptionError
+from distutils.util import get_platform
+
+
+def show_formats():
+    """Print list of available formats (arguments to "--format" option)."""
+    from distutils.fancy_getopt import FancyGetopt
+
+    formats = []
+    for format in bdist.format_commands:
+        formats.append(("formats=" + format, None, bdist.format_commands[format][1]))
+    pretty_printer = FancyGetopt(formats)
+    pretty_printer.print_help("List of available distribution formats:")
+
+
+class ListCompat(dict):
+    # adapter to allow for Setuptools compatibility in format_commands
+    def append(self, item):
+        warnings.warn(
+            """format_commands is now a dict. append is deprecated.""",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+
+
+class bdist(Command):
+
+    description = "create a built (binary) distribution"
+
+    user_options = [
+        ('bdist-base=', 'b', "temporary directory for creating built distributions"),
+        (
+            'plat-name=',
+            'p',
+            "platform name to embed in generated filenames "
+            "(default: %s)" % get_platform(),
+        ),
+        ('formats=', None, "formats for distribution (comma-separated list)"),
+        (
+            'dist-dir=',
+            'd',
+            "directory to put final built distributions in " "[default: dist]",
+        ),
+        ('skip-build', None, "skip rebuilding everything (for testing/debugging)"),
+        (
+            'owner=',
+            'u',
+            "Owner name used when creating a tar file" " [default: current user]",
+        ),
+        (
+            'group=',
+            'g',
+            "Group name used when creating a tar file" " [default: current group]",
+        ),
+    ]
+
+    boolean_options = ['skip-build']
+
+    help_options = [
+        ('help-formats', None, "lists available distribution formats", show_formats),
+    ]
+
+    # The following commands do not take a format option from bdist
+    no_format_option = ('bdist_rpm',)
+
+    # This won't do in reality: will need to distinguish RPM-ish Linux,
+    # Debian-ish Linux, Solaris, FreeBSD, ..., Windows, Mac OS.
+    default_format = {'posix': 'gztar', 'nt': 'zip'}
+
+    # Define commands in preferred order for the --help-formats option
+    format_commands = ListCompat(
+        {
+            'rpm': ('bdist_rpm', "RPM distribution"),
+            'gztar': ('bdist_dumb', "gzip'ed tar file"),
+            'bztar': ('bdist_dumb', "bzip2'ed tar file"),
+            'xztar': ('bdist_dumb', "xz'ed tar file"),
+            'ztar': ('bdist_dumb', "compressed tar file"),
+            'tar': ('bdist_dumb', "tar file"),
+            'zip': ('bdist_dumb', "ZIP file"),
+        }
+    )
+
+    # for compatibility until consumers only reference format_commands
+    format_command = format_commands
+
+    def initialize_options(self):
+        self.bdist_base = None
+        self.plat_name = None
+        self.formats = None
+        self.dist_dir = None
+        self.skip_build = 0
+        self.group = None
+        self.owner = None
+
+    def finalize_options(self):
+        # have to finalize 'plat_name' before 'bdist_base'
+        if self.plat_name is None:
+            if self.skip_build:
+                self.plat_name = get_platform()
+            else:
+                self.plat_name = self.get_finalized_command('build').plat_name
+
+        # 'bdist_base' -- parent of per-built-distribution-format
+        # temporary directories (eg. we'll probably have
+        # "build/bdist.<plat>/dumb", "build/bdist.<plat>/rpm", etc.)
+        if self.bdist_base is None:
+            build_base = self.get_finalized_command('build').build_base
+            self.bdist_base = os.path.join(build_base, 'bdist.' + self.plat_name)
+
+        self.ensure_string_list('formats')
+        if self.formats is None:
+            try:
+                self.formats = [self.default_format[os.name]]
+            except KeyError:
+                raise DistutilsPlatformError(
+                    "don't know how to create built distributions "
+                    "on platform %s" % os.name
+                )
+
+        if self.dist_dir is None:
+            self.dist_dir = "dist"
+
+    def run(self):
+        # Figure out which sub-commands we need to run.
+        commands = []
+        for format in self.formats:
+            try:
+                commands.append(self.format_commands[format][0])
+            except KeyError:
+                raise DistutilsOptionError("invalid format '%s'" % format)
+
+        # Reinitialize and run each command.
+        for i in range(len(self.formats)):
+            cmd_name = commands[i]
+            sub_cmd = self.reinitialize_command(cmd_name)
+            if cmd_name not in self.no_format_option:
+                sub_cmd.format = self.formats[i]
+
+            # passing the owner and group names for tar archiving
+            if cmd_name == 'bdist_dumb':
+                sub_cmd.owner = self.owner
+                sub_cmd.group = self.group
+
+            # If we're going to need to run this command again, tell it to
+            # keep its temporary files around so subsequent runs go faster.
+            if cmd_name in commands[i + 1 :]:
+                sub_cmd.keep_temp = 1
+            self.run_command(cmd_name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist_dumb.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist_dumb.py
new file mode 100644
index 00000000..0f52330f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist_dumb.py
@@ -0,0 +1,144 @@
+"""distutils.command.bdist_dumb
+
+Implements the Distutils 'bdist_dumb' command (create a "dumb" built
+distribution -- i.e., just an archive to be unpacked under $prefix or
+$exec_prefix)."""
+
+import os
+from distutils.core import Command
+from distutils.util import get_platform
+from distutils.dir_util import remove_tree, ensure_relative
+from distutils.errors import DistutilsPlatformError
+from distutils.sysconfig import get_python_version
+from distutils import log
+
+
+class bdist_dumb(Command):
+
+    description = "create a \"dumb\" built distribution"
+
+    user_options = [
+        ('bdist-dir=', 'd', "temporary directory for creating the distribution"),
+        (
+            'plat-name=',
+            'p',
+            "platform name to embed in generated filenames "
+            "(default: %s)" % get_platform(),
+        ),
+        (
+            'format=',
+            'f',
+            "archive format to create (tar, gztar, bztar, xztar, " "ztar, zip)",
+        ),
+        (
+            'keep-temp',
+            'k',
+            "keep the pseudo-installation tree around after "
+            + "creating the distribution archive",
+        ),
+        ('dist-dir=', 'd', "directory to put final built distributions in"),
+        ('skip-build', None, "skip rebuilding everything (for testing/debugging)"),
+        (
+            'relative',
+            None,
+            "build the archive using relative paths " "(default: false)",
+        ),
+        (
+            'owner=',
+            'u',
+            "Owner name used when creating a tar file" " [default: current user]",
+        ),
+        (
+            'group=',
+            'g',
+            "Group name used when creating a tar file" " [default: current group]",
+        ),
+    ]
+
+    boolean_options = ['keep-temp', 'skip-build', 'relative']
+
+    default_format = {'posix': 'gztar', 'nt': 'zip'}
+
+    def initialize_options(self):
+        self.bdist_dir = None
+        self.plat_name = None
+        self.format = None
+        self.keep_temp = 0
+        self.dist_dir = None
+        self.skip_build = None
+        self.relative = 0
+        self.owner = None
+        self.group = None
+
+    def finalize_options(self):
+        if self.bdist_dir is None:
+            bdist_base = self.get_finalized_command('bdist').bdist_base
+            self.bdist_dir = os.path.join(bdist_base, 'dumb')
+
+        if self.format is None:
+            try:
+                self.format = self.default_format[os.name]
+            except KeyError:
+                raise DistutilsPlatformError(
+                    "don't know how to create dumb built distributions "
+                    "on platform %s" % os.name
+                )
+
+        self.set_undefined_options(
+            'bdist',
+            ('dist_dir', 'dist_dir'),
+            ('plat_name', 'plat_name'),
+            ('skip_build', 'skip_build'),
+        )
+
+    def run(self):
+        if not self.skip_build:
+            self.run_command('build')
+
+        install = self.reinitialize_command('install', reinit_subcommands=1)
+        install.root = self.bdist_dir
+        install.skip_build = self.skip_build
+        install.warn_dir = 0
+
+        log.info("installing to %s", self.bdist_dir)
+        self.run_command('install')
+
+        # And make an archive relative to the root of the
+        # pseudo-installation tree.
+        archive_basename = "{}.{}".format(
+            self.distribution.get_fullname(), self.plat_name
+        )
+
+        pseudoinstall_root = os.path.join(self.dist_dir, archive_basename)
+        if not self.relative:
+            archive_root = self.bdist_dir
+        else:
+            if self.distribution.has_ext_modules() and (
+                install.install_base != install.install_platbase
+            ):
+                raise DistutilsPlatformError(
+                    "can't make a dumb built distribution where "
+                    "base and platbase are different (%s, %s)"
+                    % (repr(install.install_base), repr(install.install_platbase))
+                )
+            else:
+                archive_root = os.path.join(
+                    self.bdist_dir, ensure_relative(install.install_base)
+                )
+
+        # Make the archive
+        filename = self.make_archive(
+            pseudoinstall_root,
+            self.format,
+            root_dir=archive_root,
+            owner=self.owner,
+            group=self.group,
+        )
+        if self.distribution.has_ext_modules():
+            pyversion = get_python_version()
+        else:
+            pyversion = 'any'
+        self.distribution.dist_files.append(('bdist_dumb', pyversion, filename))
+
+        if not self.keep_temp:
+            remove_tree(self.bdist_dir, dry_run=self.dry_run)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist_rpm.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist_rpm.py
new file mode 100644
index 00000000..6a50ef34
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/bdist_rpm.py
@@ -0,0 +1,615 @@
+"""distutils.command.bdist_rpm
+
+Implements the Distutils 'bdist_rpm' command (create RPM source and binary
+distributions)."""
+
+import subprocess
+import sys
+import os
+
+from distutils.core import Command
+from distutils.debug import DEBUG
+from distutils.file_util import write_file
+from distutils.errors import (
+    DistutilsOptionError,
+    DistutilsPlatformError,
+    DistutilsFileError,
+    DistutilsExecError,
+)
+from distutils.sysconfig import get_python_version
+from distutils import log
+
+
+class bdist_rpm(Command):
+
+    description = "create an RPM distribution"
+
+    user_options = [
+        ('bdist-base=', None, "base directory for creating built distributions"),
+        (
+            'rpm-base=',
+            None,
+            "base directory for creating RPMs (defaults to \"rpm\" under "
+            "--bdist-base; must be specified for RPM 2)",
+        ),
+        (
+            'dist-dir=',
+            'd',
+            "directory to put final RPM files in " "(and .spec files if --spec-only)",
+        ),
+        (
+            'python=',
+            None,
+            "path to Python interpreter to hard-code in the .spec file "
+            "(default: \"python\")",
+        ),
+        (
+            'fix-python',
+            None,
+            "hard-code the exact path to the current Python interpreter in "
+            "the .spec file",
+        ),
+        ('spec-only', None, "only regenerate spec file"),
+        ('source-only', None, "only generate source RPM"),
+        ('binary-only', None, "only generate binary RPM"),
+        ('use-bzip2', None, "use bzip2 instead of gzip to create source distribution"),
+        # More meta-data: too RPM-specific to put in the setup script,
+        # but needs to go in the .spec file -- so we make these options
+        # to "bdist_rpm".  The idea is that packagers would put this
+        # info in setup.cfg, although they are of course free to
+        # supply it on the command line.
+        (
+            'distribution-name=',
+            None,
+            "name of the (Linux) distribution to which this "
+            "RPM applies (*not* the name of the module distribution!)",
+        ),
+        ('group=', None, "package classification [default: \"Development/Libraries\"]"),
+        ('release=', None, "RPM release number"),
+        ('serial=', None, "RPM serial number"),
+        (
+            'vendor=',
+            None,
+            "RPM \"vendor\" (eg. \"Joe Blow <joe@example.com>\") "
+            "[default: maintainer or author from setup script]",
+        ),
+        (
+            'packager=',
+            None,
+            "RPM packager (eg. \"Jane Doe <jane@example.net>\") " "[default: vendor]",
+        ),
+        ('doc-files=', None, "list of documentation files (space or comma-separated)"),
+        ('changelog=', None, "RPM changelog"),
+        ('icon=', None, "name of icon file"),
+        ('provides=', None, "capabilities provided by this package"),
+        ('requires=', None, "capabilities required by this package"),
+        ('conflicts=', None, "capabilities which conflict with this package"),
+        ('build-requires=', None, "capabilities required to build this package"),
+        ('obsoletes=', None, "capabilities made obsolete by this package"),
+        ('no-autoreq', None, "do not automatically calculate dependencies"),
+        # Actions to take when building RPM
+        ('keep-temp', 'k', "don't clean up RPM build directory"),
+        ('no-keep-temp', None, "clean up RPM build directory [default]"),
+        (
+            'use-rpm-opt-flags',
+            None,
+            "compile with RPM_OPT_FLAGS when building from source RPM",
+        ),
+        ('no-rpm-opt-flags', None, "do not pass any RPM CFLAGS to compiler"),
+        ('rpm3-mode', None, "RPM 3 compatibility mode (default)"),
+        ('rpm2-mode', None, "RPM 2 compatibility mode"),
+        # Add the hooks necessary for specifying custom scripts
+        ('prep-script=', None, "Specify a script for the PREP phase of RPM building"),
+        ('build-script=', None, "Specify a script for the BUILD phase of RPM building"),
+        (
+            'pre-install=',
+            None,
+            "Specify a script for the pre-INSTALL phase of RPM building",
+        ),
+        (
+            'install-script=',
+            None,
+            "Specify a script for the INSTALL phase of RPM building",
+        ),
+        (
+            'post-install=',
+            None,
+            "Specify a script for the post-INSTALL phase of RPM building",
+        ),
+        (
+            'pre-uninstall=',
+            None,
+            "Specify a script for the pre-UNINSTALL phase of RPM building",
+        ),
+        (
+            'post-uninstall=',
+            None,
+            "Specify a script for the post-UNINSTALL phase of RPM building",
+        ),
+        ('clean-script=', None, "Specify a script for the CLEAN phase of RPM building"),
+        (
+            'verify-script=',
+            None,
+            "Specify a script for the VERIFY phase of the RPM build",
+        ),
+        # Allow a packager to explicitly force an architecture
+        ('force-arch=', None, "Force an architecture onto the RPM build process"),
+        ('quiet', 'q', "Run the INSTALL phase of RPM building in quiet mode"),
+    ]
+
+    boolean_options = [
+        'keep-temp',
+        'use-rpm-opt-flags',
+        'rpm3-mode',
+        'no-autoreq',
+        'quiet',
+    ]
+
+    negative_opt = {
+        'no-keep-temp': 'keep-temp',
+        'no-rpm-opt-flags': 'use-rpm-opt-flags',
+        'rpm2-mode': 'rpm3-mode',
+    }
+
+    def initialize_options(self):
+        self.bdist_base = None
+        self.rpm_base = None
+        self.dist_dir = None
+        self.python = None
+        self.fix_python = None
+        self.spec_only = None
+        self.binary_only = None
+        self.source_only = None
+        self.use_bzip2 = None
+
+        self.distribution_name = None
+        self.group = None
+        self.release = None
+        self.serial = None
+        self.vendor = None
+        self.packager = None
+        self.doc_files = None
+        self.changelog = None
+        self.icon = None
+
+        self.prep_script = None
+        self.build_script = None
+        self.install_script = None
+        self.clean_script = None
+        self.verify_script = None
+        self.pre_install = None
+        self.post_install = None
+        self.pre_uninstall = None
+        self.post_uninstall = None
+        self.prep = None
+        self.provides = None
+        self.requires = None
+        self.conflicts = None
+        self.build_requires = None
+        self.obsoletes = None
+
+        self.keep_temp = 0
+        self.use_rpm_opt_flags = 1
+        self.rpm3_mode = 1
+        self.no_autoreq = 0
+
+        self.force_arch = None
+        self.quiet = 0
+
+    def finalize_options(self):
+        self.set_undefined_options('bdist', ('bdist_base', 'bdist_base'))
+        if self.rpm_base is None:
+            if not self.rpm3_mode:
+                raise DistutilsOptionError("you must specify --rpm-base in RPM 2 mode")
+            self.rpm_base = os.path.join(self.bdist_base, "rpm")
+
+        if self.python is None:
+            if self.fix_python:
+                self.python = sys.executable
+            else:
+                self.python = "python3"
+        elif self.fix_python:
+            raise DistutilsOptionError(
+                "--python and --fix-python are mutually exclusive options"
+            )
+
+        if os.name != 'posix':
+            raise DistutilsPlatformError(
+                "don't know how to create RPM " "distributions on platform %s" % os.name
+            )
+        if self.binary_only and self.source_only:
+            raise DistutilsOptionError(
+                "cannot supply both '--source-only' and '--binary-only'"
+            )
+
+        # don't pass CFLAGS to pure python distributions
+        if not self.distribution.has_ext_modules():
+            self.use_rpm_opt_flags = 0
+
+        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))
+        self.finalize_package_data()
+
+    def finalize_package_data(self):
+        self.ensure_string('group', "Development/Libraries")
+        self.ensure_string(
+            'vendor',
+            "%s <%s>"
+            % (self.distribution.get_contact(), self.distribution.get_contact_email()),
+        )
+        self.ensure_string('packager')
+        self.ensure_string_list('doc_files')
+        if isinstance(self.doc_files, list):
+            for readme in ('README', 'README.txt'):
+                if os.path.exists(readme) and readme not in self.doc_files:
+                    self.doc_files.append(readme)
+
+        self.ensure_string('release', "1")
+        self.ensure_string('serial')  # should it be an int?
+
+        self.ensure_string('distribution_name')
+
+        self.ensure_string('changelog')
+        # Format changelog correctly
+        self.changelog = self._format_changelog(self.changelog)
+
+        self.ensure_filename('icon')
+
+        self.ensure_filename('prep_script')
+        self.ensure_filename('build_script')
+        self.ensure_filename('install_script')
+        self.ensure_filename('clean_script')
+        self.ensure_filename('verify_script')
+        self.ensure_filename('pre_install')
+        self.ensure_filename('post_install')
+        self.ensure_filename('pre_uninstall')
+        self.ensure_filename('post_uninstall')
+
+        # XXX don't forget we punted on summaries and descriptions -- they
+        # should be handled here eventually!
+
+        # Now *this* is some meta-data that belongs in the setup script...
+        self.ensure_string_list('provides')
+        self.ensure_string_list('requires')
+        self.ensure_string_list('conflicts')
+        self.ensure_string_list('build_requires')
+        self.ensure_string_list('obsoletes')
+
+        self.ensure_string('force_arch')
+
+    def run(self):  # noqa: C901
+        if DEBUG:
+            print("before _get_package_data():")
+            print("vendor =", self.vendor)
+            print("packager =", self.packager)
+            print("doc_files =", self.doc_files)
+            print("changelog =", self.changelog)
+
+        # make directories
+        if self.spec_only:
+            spec_dir = self.dist_dir
+            self.mkpath(spec_dir)
+        else:
+            rpm_dir = {}
+            for d in ('SOURCES', 'SPECS', 'BUILD', 'RPMS', 'SRPMS'):
+                rpm_dir[d] = os.path.join(self.rpm_base, d)
+                self.mkpath(rpm_dir[d])
+            spec_dir = rpm_dir['SPECS']
+
+        # Spec file goes into 'dist_dir' if '--spec-only specified',
+        # build/rpm.<plat> otherwise.
+        spec_path = os.path.join(spec_dir, "%s.spec" % self.distribution.get_name())
+        self.execute(
+            write_file, (spec_path, self._make_spec_file()), "writing '%s'" % spec_path
+        )
+
+        if self.spec_only:  # stop if requested
+            return
+
+        # Make a source distribution and copy to SOURCES directory with
+        # optional icon.
+        saved_dist_files = self.distribution.dist_files[:]
+        sdist = self.reinitialize_command('sdist')
+        if self.use_bzip2:
+            sdist.formats = ['bztar']
+        else:
+            sdist.formats = ['gztar']
+        self.run_command('sdist')
+        self.distribution.dist_files = saved_dist_files
+
+        source = sdist.get_archive_files()[0]
+        source_dir = rpm_dir['SOURCES']
+        self.copy_file(source, source_dir)
+
+        if self.icon:
+            if os.path.exists(self.icon):
+                self.copy_file(self.icon, source_dir)
+            else:
+                raise DistutilsFileError("icon file '%s' does not exist" % self.icon)
+
+        # build package
+        log.info("building RPMs")
+        rpm_cmd = ['rpmbuild']
+
+        if self.source_only:  # what kind of RPMs?
+            rpm_cmd.append('-bs')
+        elif self.binary_only:
+            rpm_cmd.append('-bb')
+        else:
+            rpm_cmd.append('-ba')
+        rpm_cmd.extend(['--define', '__python %s' % self.python])
+        if self.rpm3_mode:
+            rpm_cmd.extend(['--define', '_topdir %s' % os.path.abspath(self.rpm_base)])
+        if not self.keep_temp:
+            rpm_cmd.append('--clean')
+
+        if self.quiet:
+            rpm_cmd.append('--quiet')
+
+        rpm_cmd.append(spec_path)
+        # Determine the binary rpm names that should be built out of this spec
+        # file
+        # Note that some of these may not be really built (if the file
+        # list is empty)
+        nvr_string = "%{name}-%{version}-%{release}"
+        src_rpm = nvr_string + ".src.rpm"
+        non_src_rpm = "%{arch}/" + nvr_string + ".%{arch}.rpm"
+        q_cmd = r"rpm -q --qf '{} {}\n' --specfile '{}'".format(
+            src_rpm,
+            non_src_rpm,
+            spec_path,
+        )
+
+        out = os.popen(q_cmd)
+        try:
+            binary_rpms = []
+            source_rpm = None
+            while True:
+                line = out.readline()
+                if not line:
+                    break
+                ell = line.strip().split()
+                assert len(ell) == 2
+                binary_rpms.append(ell[1])
+                # The source rpm is named after the first entry in the spec file
+                if source_rpm is None:
+                    source_rpm = ell[0]
+
+            status = out.close()
+            if status:
+                raise DistutilsExecError("Failed to execute: %s" % repr(q_cmd))
+
+        finally:
+            out.close()
+
+        self.spawn(rpm_cmd)
+
+        if not self.dry_run:
+            if self.distribution.has_ext_modules():
+                pyversion = get_python_version()
+            else:
+                pyversion = 'any'
+
+            if not self.binary_only:
+                srpm = os.path.join(rpm_dir['SRPMS'], source_rpm)
+                assert os.path.exists(srpm)
+                self.move_file(srpm, self.dist_dir)
+                filename = os.path.join(self.dist_dir, source_rpm)
+                self.distribution.dist_files.append(('bdist_rpm', pyversion, filename))
+
+            if not self.source_only:
+                for rpm in binary_rpms:
+                    rpm = os.path.join(rpm_dir['RPMS'], rpm)
+                    if os.path.exists(rpm):
+                        self.move_file(rpm, self.dist_dir)
+                        filename = os.path.join(self.dist_dir, os.path.basename(rpm))
+                        self.distribution.dist_files.append(
+                            ('bdist_rpm', pyversion, filename)
+                        )
+
+    def _dist_path(self, path):
+        return os.path.join(self.dist_dir, os.path.basename(path))
+
+    def _make_spec_file(self):  # noqa: C901
+        """Generate the text of an RPM spec file and return it as a
+        list of strings (one per line).
+        """
+        # definitions and headers
+        spec_file = [
+            '%define name ' + self.distribution.get_name(),
+            '%define version ' + self.distribution.get_version().replace('-', '_'),
+            '%define unmangled_version ' + self.distribution.get_version(),
+            '%define release ' + self.release.replace('-', '_'),
+            '',
+            'Summary: ' + (self.distribution.get_description() or "UNKNOWN"),
+        ]
+
+        # Workaround for #14443 which affects some RPM based systems such as
+        # RHEL6 (and probably derivatives)
+        vendor_hook = subprocess.getoutput('rpm --eval %{__os_install_post}')
+        # Generate a potential replacement value for __os_install_post (whilst
+        # normalizing the whitespace to simplify the test for whether the
+        # invocation of brp-python-bytecompile passes in __python):
+        vendor_hook = '\n'.join(
+            ['  %s \\' % line.strip() for line in vendor_hook.splitlines()]
+        )
+        problem = "brp-python-bytecompile \\\n"
+        fixed = "brp-python-bytecompile %{__python} \\\n"
+        fixed_hook = vendor_hook.replace(problem, fixed)
+        if fixed_hook != vendor_hook:
+            spec_file.append('# Workaround for http://bugs.python.org/issue14443')
+            spec_file.append('%define __os_install_post ' + fixed_hook + '\n')
+
+        # put locale summaries into spec file
+        # XXX not supported for now (hard to put a dictionary
+        # in a config file -- arg!)
+        # for locale in self.summaries.keys():
+        #    spec_file.append('Summary(%s): %s' % (locale,
+        #                                          self.summaries[locale]))
+
+        spec_file.extend(
+            [
+                'Name: %{name}',
+                'Version: %{version}',
+                'Release: %{release}',
+            ]
+        )
+
+        # XXX yuck! this filename is available from the "sdist" command,
+        # but only after it has run: and we create the spec file before
+        # running "sdist", in case of --spec-only.
+        if self.use_bzip2:
+            spec_file.append('Source0: %{name}-%{unmangled_version}.tar.bz2')
+        else:
+            spec_file.append('Source0: %{name}-%{unmangled_version}.tar.gz')
+
+        spec_file.extend(
+            [
+                'License: ' + (self.distribution.get_license() or "UNKNOWN"),
+                'Group: ' + self.group,
+                'BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot',
+                'Prefix: %{_prefix}',
+            ]
+        )
+
+        if not self.force_arch:
+            # noarch if no extension modules
+            if not self.distribution.has_ext_modules():
+                spec_file.append('BuildArch: noarch')
+        else:
+            spec_file.append('BuildArch: %s' % self.force_arch)
+
+        for field in (
+            'Vendor',
+            'Packager',
+            'Provides',
+            'Requires',
+            'Conflicts',
+            'Obsoletes',
+        ):
+            val = getattr(self, field.lower())
+            if isinstance(val, list):
+                spec_file.append('{}: {}'.format(field, ' '.join(val)))
+            elif val is not None:
+                spec_file.append('{}: {}'.format(field, val))
+
+        if self.distribution.get_url():
+            spec_file.append('Url: ' + self.distribution.get_url())
+
+        if self.distribution_name:
+            spec_file.append('Distribution: ' + self.distribution_name)
+
+        if self.build_requires:
+            spec_file.append('BuildRequires: ' + ' '.join(self.build_requires))
+
+        if self.icon:
+            spec_file.append('Icon: ' + os.path.basename(self.icon))
+
+        if self.no_autoreq:
+            spec_file.append('AutoReq: 0')
+
+        spec_file.extend(
+            [
+                '',
+                '%description',
+                self.distribution.get_long_description() or "",
+            ]
+        )
+
+        # put locale descriptions into spec file
+        # XXX again, suppressed because config file syntax doesn't
+        # easily support this ;-(
+        # for locale in self.descriptions.keys():
+        #    spec_file.extend([
+        #        '',
+        #        '%description -l ' + locale,
+        #        self.descriptions[locale],
+        #        ])
+
+        # rpm scripts
+        # figure out default build script
+        def_setup_call = "{} {}".format(self.python, os.path.basename(sys.argv[0]))
+        def_build = "%s build" % def_setup_call
+        if self.use_rpm_opt_flags:
+            def_build = 'env CFLAGS="$RPM_OPT_FLAGS" ' + def_build
+
+        # insert contents of files
+
+        # XXX this is kind of misleading: user-supplied options are files
+        # that we open and interpolate into the spec file, but the defaults
+        # are just text that we drop in as-is.  Hmmm.
+
+        install_cmd = (
+            '%s install -O1 --root=$RPM_BUILD_ROOT ' '--record=INSTALLED_FILES'
+        ) % def_setup_call
+
+        script_options = [
+            ('prep', 'prep_script', "%setup -n %{name}-%{unmangled_version}"),
+            ('build', 'build_script', def_build),
+            ('install', 'install_script', install_cmd),
+            ('clean', 'clean_script', "rm -rf $RPM_BUILD_ROOT"),
+            ('verifyscript', 'verify_script', None),
+            ('pre', 'pre_install', None),
+            ('post', 'post_install', None),
+            ('preun', 'pre_uninstall', None),
+            ('postun', 'post_uninstall', None),
+        ]
+
+        for (rpm_opt, attr, default) in script_options:
+            # Insert contents of file referred to, if no file is referred to
+            # use 'default' as contents of script
+            val = getattr(self, attr)
+            if val or default:
+                spec_file.extend(
+                    [
+                        '',
+                        '%' + rpm_opt,
+                    ]
+                )
+                if val:
+                    with open(val) as f:
+                        spec_file.extend(f.read().split('\n'))
+                else:
+                    spec_file.append(default)
+
+        # files section
+        spec_file.extend(
+            [
+                '',
+                '%files -f INSTALLED_FILES',
+                '%defattr(-,root,root)',
+            ]
+        )
+
+        if self.doc_files:
+            spec_file.append('%doc ' + ' '.join(self.doc_files))
+
+        if self.changelog:
+            spec_file.extend(
+                [
+                    '',
+                    '%changelog',
+                ]
+            )
+            spec_file.extend(self.changelog)
+
+        return spec_file
+
+    def _format_changelog(self, changelog):
+        """Format the changelog correctly and convert it to a list of strings"""
+        if not changelog:
+            return changelog
+        new_changelog = []
+        for line in changelog.strip().split('\n'):
+            line = line.strip()
+            if line[0] == '*':
+                new_changelog.extend(['', line])
+            elif line[0] == '-':
+                new_changelog.append(line)
+            else:
+                new_changelog.append('  ' + line)
+
+        # strip trailing newline inserted by first changelog entry
+        if not new_changelog[0]:
+            del new_changelog[0]
+
+        return new_changelog
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build.py
new file mode 100644
index 00000000..6d453419
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build.py
@@ -0,0 +1,153 @@
+"""distutils.command.build
+
+Implements the Distutils 'build' command."""
+
+import sys
+import os
+from distutils.core import Command
+from distutils.errors import DistutilsOptionError
+from distutils.util import get_platform
+
+
+def show_compilers():
+    from distutils.ccompiler import show_compilers
+
+    show_compilers()
+
+
+class build(Command):
+
+    description = "build everything needed to install"
+
+    user_options = [
+        ('build-base=', 'b', "base directory for build library"),
+        ('build-purelib=', None, "build directory for platform-neutral distributions"),
+        ('build-platlib=', None, "build directory for platform-specific distributions"),
+        (
+            'build-lib=',
+            None,
+            "build directory for all distribution (defaults to either "
+            + "build-purelib or build-platlib",
+        ),
+        ('build-scripts=', None, "build directory for scripts"),
+        ('build-temp=', 't', "temporary build directory"),
+        (
+            'plat-name=',
+            'p',
+            "platform name to build for, if supported "
+            "(default: %s)" % get_platform(),
+        ),
+        ('compiler=', 'c', "specify the compiler type"),
+        ('parallel=', 'j', "number of parallel build jobs"),
+        ('debug', 'g', "compile extensions and libraries with debugging information"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+        ('executable=', 'e', "specify final destination interpreter path (build.py)"),
+    ]
+
+    boolean_options = ['debug', 'force']
+
+    help_options = [
+        ('help-compiler', None, "list available compilers", show_compilers),
+    ]
+
+    def initialize_options(self):
+        self.build_base = 'build'
+        # these are decided only after 'build_base' has its final value
+        # (unless overridden by the user or client)
+        self.build_purelib = None
+        self.build_platlib = None
+        self.build_lib = None
+        self.build_temp = None
+        self.build_scripts = None
+        self.compiler = None
+        self.plat_name = None
+        self.debug = None
+        self.force = 0
+        self.executable = None
+        self.parallel = None
+
+    def finalize_options(self):  # noqa: C901
+        if self.plat_name is None:
+            self.plat_name = get_platform()
+        else:
+            # plat-name only supported for windows (other platforms are
+            # supported via ./configure flags, if at all).  Avoid misleading
+            # other platforms.
+            if os.name != 'nt':
+                raise DistutilsOptionError(
+                    "--plat-name only supported on Windows (try "
+                    "using './configure --help' on your platform)"
+                )
+
+        plat_specifier = ".{}-{}".format(self.plat_name, sys.implementation.cache_tag)
+
+        # Make it so Python 2.x and Python 2.x with --with-pydebug don't
+        # share the same build directories. Doing so confuses the build
+        # process for C modules
+        if hasattr(sys, 'gettotalrefcount'):
+            plat_specifier += '-pydebug'
+
+        # 'build_purelib' and 'build_platlib' just default to 'lib' and
+        # 'lib.<plat>' under the base build directory.  We only use one of
+        # them for a given distribution, though --
+        if self.build_purelib is None:
+            self.build_purelib = os.path.join(self.build_base, 'lib')
+        if self.build_platlib is None:
+            self.build_platlib = os.path.join(self.build_base, 'lib' + plat_specifier)
+
+        # 'build_lib' is the actual directory that we will use for this
+        # particular module distribution -- if user didn't supply it, pick
+        # one of 'build_purelib' or 'build_platlib'.
+        if self.build_lib is None:
+            if self.distribution.has_ext_modules():
+                self.build_lib = self.build_platlib
+            else:
+                self.build_lib = self.build_purelib
+
+        # 'build_temp' -- temporary directory for compiler turds,
+        # "build/temp.<plat>"
+        if self.build_temp is None:
+            self.build_temp = os.path.join(self.build_base, 'temp' + plat_specifier)
+        if self.build_scripts is None:
+            self.build_scripts = os.path.join(
+                self.build_base, 'scripts-%d.%d' % sys.version_info[:2]
+            )
+
+        if self.executable is None and sys.executable:
+            self.executable = os.path.normpath(sys.executable)
+
+        if isinstance(self.parallel, str):
+            try:
+                self.parallel = int(self.parallel)
+            except ValueError:
+                raise DistutilsOptionError("parallel should be an integer")
+
+    def run(self):
+        # Run all relevant sub-commands.  This will be some subset of:
+        #  - build_py      - pure Python modules
+        #  - build_clib    - standalone C libraries
+        #  - build_ext     - Python extensions
+        #  - build_scripts - (Python) scripts
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+    # -- Predicates for the sub-command list ---------------------------
+
+    def has_pure_modules(self):
+        return self.distribution.has_pure_modules()
+
+    def has_c_libraries(self):
+        return self.distribution.has_c_libraries()
+
+    def has_ext_modules(self):
+        return self.distribution.has_ext_modules()
+
+    def has_scripts(self):
+        return self.distribution.has_scripts()
+
+    sub_commands = [
+        ('build_py', has_pure_modules),
+        ('build_clib', has_c_libraries),
+        ('build_ext', has_ext_modules),
+        ('build_scripts', has_scripts),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_clib.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_clib.py
new file mode 100644
index 00000000..50bb9bba
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_clib.py
@@ -0,0 +1,208 @@
+"""distutils.command.build_clib
+
+Implements the Distutils 'build_clib' command, to build a C/C++ library
+that is included in the module distribution and needed by an extension
+module."""
+
+
+# XXX this module has *lots* of code ripped-off quite transparently from
+# build_ext.py -- not surprisingly really, as the work required to build
+# a static library from a collection of C source files is not really all
+# that different from what's required to build a shared object file from
+# a collection of C source files.  Nevertheless, I haven't done the
+# necessary refactoring to account for the overlap in code between the
+# two modules, mainly because a number of subtle details changed in the
+# cut 'n paste.  Sigh.
+
+import os
+from distutils.core import Command
+from distutils.errors import DistutilsSetupError
+from distutils.sysconfig import customize_compiler
+from distutils import log
+
+
+def show_compilers():
+    from distutils.ccompiler import show_compilers
+
+    show_compilers()
+
+
+class build_clib(Command):
+
+    description = "build C/C++ libraries used by Python extensions"
+
+    user_options = [
+        ('build-clib=', 'b', "directory to build C/C++ libraries to"),
+        ('build-temp=', 't', "directory to put temporary build by-products"),
+        ('debug', 'g', "compile with debugging information"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+        ('compiler=', 'c', "specify the compiler type"),
+    ]
+
+    boolean_options = ['debug', 'force']
+
+    help_options = [
+        ('help-compiler', None, "list available compilers", show_compilers),
+    ]
+
+    def initialize_options(self):
+        self.build_clib = None
+        self.build_temp = None
+
+        # List of libraries to build
+        self.libraries = None
+
+        # Compilation options for all libraries
+        self.include_dirs = None
+        self.define = None
+        self.undef = None
+        self.debug = None
+        self.force = 0
+        self.compiler = None
+
+    def finalize_options(self):
+        # This might be confusing: both build-clib and build-temp default
+        # to build-temp as defined by the "build" command.  This is because
+        # I think that C libraries are really just temporary build
+        # by-products, at least from the point of view of building Python
+        # extensions -- but I want to keep my options open.
+        self.set_undefined_options(
+            'build',
+            ('build_temp', 'build_clib'),
+            ('build_temp', 'build_temp'),
+            ('compiler', 'compiler'),
+            ('debug', 'debug'),
+            ('force', 'force'),
+        )
+
+        self.libraries = self.distribution.libraries
+        if self.libraries:
+            self.check_library_list(self.libraries)
+
+        if self.include_dirs is None:
+            self.include_dirs = self.distribution.include_dirs or []
+        if isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
+
+        # XXX same as for build_ext -- what about 'self.define' and
+        # 'self.undef' ?
+
+    def run(self):
+        if not self.libraries:
+            return
+
+        # Yech -- this is cut 'n pasted from build_ext.py!
+        from distutils.ccompiler import new_compiler
+
+        self.compiler = new_compiler(
+            compiler=self.compiler, dry_run=self.dry_run, force=self.force
+        )
+        customize_compiler(self.compiler)
+
+        if self.include_dirs is not None:
+            self.compiler.set_include_dirs(self.include_dirs)
+        if self.define is not None:
+            # 'define' option is a list of (name,value) tuples
+            for (name, value) in self.define:
+                self.compiler.define_macro(name, value)
+        if self.undef is not None:
+            for macro in self.undef:
+                self.compiler.undefine_macro(macro)
+
+        self.build_libraries(self.libraries)
+
+    def check_library_list(self, libraries):
+        """Ensure that the list of libraries is valid.
+
+        `library` is presumably provided as a command option 'libraries'.
+        This method checks that it is a list of 2-tuples, where the tuples
+        are (library_name, build_info_dict).
+
+        Raise DistutilsSetupError if the structure is invalid anywhere;
+        just returns otherwise.
+        """
+        if not isinstance(libraries, list):
+            raise DistutilsSetupError("'libraries' option must be a list of tuples")
+
+        for lib in libraries:
+            if not isinstance(lib, tuple) and len(lib) != 2:
+                raise DistutilsSetupError("each element of 'libraries' must a 2-tuple")
+
+            name, build_info = lib
+
+            if not isinstance(name, str):
+                raise DistutilsSetupError(
+                    "first element of each tuple in 'libraries' "
+                    "must be a string (the library name)"
+                )
+
+            if '/' in name or (os.sep != '/' and os.sep in name):
+                raise DistutilsSetupError(
+                    "bad library name '%s': "
+                    "may not contain directory separators" % lib[0]
+                )
+
+            if not isinstance(build_info, dict):
+                raise DistutilsSetupError(
+                    "second element of each tuple in 'libraries' "
+                    "must be a dictionary (build info)"
+                )
+
+    def get_library_names(self):
+        # Assume the library list is valid -- 'check_library_list()' is
+        # called from 'finalize_options()', so it should be!
+        if not self.libraries:
+            return None
+
+        lib_names = []
+        for (lib_name, build_info) in self.libraries:
+            lib_names.append(lib_name)
+        return lib_names
+
+    def get_source_files(self):
+        self.check_library_list(self.libraries)
+        filenames = []
+        for (lib_name, build_info) in self.libraries:
+            sources = build_info.get('sources')
+            if sources is None or not isinstance(sources, (list, tuple)):
+                raise DistutilsSetupError(
+                    "in 'libraries' option (library '%s'), "
+                    "'sources' must be present and must be "
+                    "a list of source filenames" % lib_name
+                )
+
+            filenames.extend(sources)
+        return filenames
+
+    def build_libraries(self, libraries):
+        for (lib_name, build_info) in libraries:
+            sources = build_info.get('sources')
+            if sources is None or not isinstance(sources, (list, tuple)):
+                raise DistutilsSetupError(
+                    "in 'libraries' option (library '%s'), "
+                    "'sources' must be present and must be "
+                    "a list of source filenames" % lib_name
+                )
+            sources = list(sources)
+
+            log.info("building '%s' library", lib_name)
+
+            # First, compile the source code to object files in the library
+            # directory.  (This should probably change to putting object
+            # files in a temporary build directory.)
+            macros = build_info.get('macros')
+            include_dirs = build_info.get('include_dirs')
+            objects = self.compiler.compile(
+                sources,
+                output_dir=self.build_temp,
+                macros=macros,
+                include_dirs=include_dirs,
+                debug=self.debug,
+            )
+
+            # Now "link" the object files together into a static library.
+            # (On Unix at least, this isn't really linking -- it just
+            # builds an archive.  Whatever.)
+            self.compiler.create_static_lib(
+                objects, lib_name, output_dir=self.build_clib, debug=self.debug
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_ext.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_ext.py
new file mode 100644
index 00000000..3c6cee7e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_ext.py
@@ -0,0 +1,787 @@
+"""distutils.command.build_ext
+
+Implements the Distutils 'build_ext' command, for building extension
+modules (currently limited to C extensions, should accommodate C++
+extensions ASAP)."""
+
+import contextlib
+import os
+import re
+import sys
+from distutils.core import Command
+from distutils.errors import (
+    DistutilsOptionError,
+    DistutilsSetupError,
+    CCompilerError,
+    DistutilsError,
+    CompileError,
+    DistutilsPlatformError,
+)
+from distutils.sysconfig import customize_compiler, get_python_version
+from distutils.sysconfig import get_config_h_filename
+from distutils.dep_util import newer_group
+from distutils.extension import Extension
+from distutils.util import get_platform
+from distutils import log
+from . import py37compat
+
+from site import USER_BASE
+
+# An extension name is just a dot-separated list of Python NAMEs (ie.
+# the same as a fully-qualified module name).
+extension_name_re = re.compile(r'^[a-zA-Z_][a-zA-Z_0-9]*(\.[a-zA-Z_][a-zA-Z_0-9]*)*$')
+
+
+def show_compilers():
+    from distutils.ccompiler import show_compilers
+
+    show_compilers()
+
+
+class build_ext(Command):
+
+    description = "build C/C++ extensions (compile/link to build directory)"
+
+    # XXX thoughts on how to deal with complex command-line options like
+    # these, i.e. how to make it so fancy_getopt can suck them off the
+    # command line and make it look like setup.py defined the appropriate
+    # lists of tuples of what-have-you.
+    #   - each command needs a callback to process its command-line options
+    #   - Command.__init__() needs access to its share of the whole
+    #     command line (must ultimately come from
+    #     Distribution.parse_command_line())
+    #   - it then calls the current command class' option-parsing
+    #     callback to deal with weird options like -D, which have to
+    #     parse the option text and churn out some custom data
+    #     structure
+    #   - that data structure (in this case, a list of 2-tuples)
+    #     will then be present in the command object by the time
+    #     we get to finalize_options() (i.e. the constructor
+    #     takes care of both command-line and client options
+    #     in between initialize_options() and finalize_options())
+
+    sep_by = " (separated by '%s')" % os.pathsep
+    user_options = [
+        ('build-lib=', 'b', "directory for compiled extension modules"),
+        ('build-temp=', 't', "directory for temporary files (build by-products)"),
+        (
+            'plat-name=',
+            'p',
+            "platform name to cross-compile for, if supported "
+            "(default: %s)" % get_platform(),
+        ),
+        (
+            'inplace',
+            'i',
+            "ignore build-lib and put compiled extensions into the source "
+            + "directory alongside your pure Python modules",
+        ),
+        (
+            'include-dirs=',
+            'I',
+            "list of directories to search for header files" + sep_by,
+        ),
+        ('define=', 'D', "C preprocessor macros to define"),
+        ('undef=', 'U', "C preprocessor macros to undefine"),
+        ('libraries=', 'l', "external C libraries to link with"),
+        (
+            'library-dirs=',
+            'L',
+            "directories to search for external C libraries" + sep_by,
+        ),
+        ('rpath=', 'R', "directories to search for shared C libraries at runtime"),
+        ('link-objects=', 'O', "extra explicit link objects to include in the link"),
+        ('debug', 'g', "compile/link with debugging information"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+        ('compiler=', 'c', "specify the compiler type"),
+        ('parallel=', 'j', "number of parallel build jobs"),
+        ('swig-cpp', None, "make SWIG create C++ files (default is C)"),
+        ('swig-opts=', None, "list of SWIG command line options"),
+        ('swig=', None, "path to the SWIG executable"),
+        ('user', None, "add user include, library and rpath"),
+    ]
+
+    boolean_options = ['inplace', 'debug', 'force', 'swig-cpp', 'user']
+
+    help_options = [
+        ('help-compiler', None, "list available compilers", show_compilers),
+    ]
+
+    def initialize_options(self):
+        self.extensions = None
+        self.build_lib = None
+        self.plat_name = None
+        self.build_temp = None
+        self.inplace = 0
+        self.package = None
+
+        self.include_dirs = None
+        self.define = None
+        self.undef = None
+        self.libraries = None
+        self.library_dirs = None
+        self.rpath = None
+        self.link_objects = None
+        self.debug = None
+        self.force = None
+        self.compiler = None
+        self.swig = None
+        self.swig_cpp = None
+        self.swig_opts = None
+        self.user = None
+        self.parallel = None
+
+    def finalize_options(self):  # noqa: C901
+        from distutils import sysconfig
+
+        self.set_undefined_options(
+            'build',
+            ('build_lib', 'build_lib'),
+            ('build_temp', 'build_temp'),
+            ('compiler', 'compiler'),
+            ('debug', 'debug'),
+            ('force', 'force'),
+            ('parallel', 'parallel'),
+            ('plat_name', 'plat_name'),
+        )
+
+        if self.package is None:
+            self.package = self.distribution.ext_package
+
+        self.extensions = self.distribution.ext_modules
+
+        # Make sure Python's include directories (for Python.h, pyconfig.h,
+        # etc.) are in the include search path.
+        py_include = sysconfig.get_python_inc()
+        plat_py_include = sysconfig.get_python_inc(plat_specific=1)
+        if self.include_dirs is None:
+            self.include_dirs = self.distribution.include_dirs or []
+        if isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
+
+        # If in a virtualenv, add its include directory
+        # Issue 16116
+        if sys.exec_prefix != sys.base_exec_prefix:
+            self.include_dirs.append(os.path.join(sys.exec_prefix, 'include'))
+
+        # Put the Python "system" include dir at the end, so that
+        # any local include dirs take precedence.
+        self.include_dirs.extend(py_include.split(os.path.pathsep))
+        if plat_py_include != py_include:
+            self.include_dirs.extend(plat_py_include.split(os.path.pathsep))
+
+        self.ensure_string_list('libraries')
+        self.ensure_string_list('link_objects')
+
+        # Life is easier if we're not forever checking for None, so
+        # simplify these options to empty lists if unset
+        if self.libraries is None:
+            self.libraries = []
+        if self.library_dirs is None:
+            self.library_dirs = []
+        elif isinstance(self.library_dirs, str):
+            self.library_dirs = self.library_dirs.split(os.pathsep)
+
+        if self.rpath is None:
+            self.rpath = []
+        elif isinstance(self.rpath, str):
+            self.rpath = self.rpath.split(os.pathsep)
+
+        # for extensions under windows use different directories
+        # for Release and Debug builds.
+        # also Python's library directory must be appended to library_dirs
+        if os.name == 'nt':
+            # the 'libs' directory is for binary installs - we assume that
+            # must be the *native* platform.  But we don't really support
+            # cross-compiling via a binary install anyway, so we let it go.
+            self.library_dirs.append(os.path.join(sys.exec_prefix, 'libs'))
+            if sys.base_exec_prefix != sys.prefix:  # Issue 16116
+                self.library_dirs.append(os.path.join(sys.base_exec_prefix, 'libs'))
+            if self.debug:
+                self.build_temp = os.path.join(self.build_temp, "Debug")
+            else:
+                self.build_temp = os.path.join(self.build_temp, "Release")
+
+            # Append the source distribution include and library directories,
+            # this allows distutils on windows to work in the source tree
+            self.include_dirs.append(os.path.dirname(get_config_h_filename()))
+            self.library_dirs.append(sys.base_exec_prefix)
+
+            # Use the .lib files for the correct architecture
+            if self.plat_name == 'win32':
+                suffix = 'win32'
+            else:
+                # win-amd64
+                suffix = self.plat_name[4:]
+            new_lib = os.path.join(sys.exec_prefix, 'PCbuild')
+            if suffix:
+                new_lib = os.path.join(new_lib, suffix)
+            self.library_dirs.append(new_lib)
+
+        # For extensions under Cygwin, Python's library directory must be
+        # appended to library_dirs
+        if sys.platform[:6] == 'cygwin':
+            if not sysconfig.python_build:
+                # building third party extensions
+                self.library_dirs.append(
+                    os.path.join(
+                        sys.prefix, "lib", "python" + get_python_version(), "config"
+                    )
+                )
+            else:
+                # building python standard extensions
+                self.library_dirs.append('.')
+
+        # For building extensions with a shared Python library,
+        # Python's library directory must be appended to library_dirs
+        # See Issues: #1600860, #4366
+        if sysconfig.get_config_var('Py_ENABLE_SHARED'):
+            if not sysconfig.python_build:
+                # building third party extensions
+                self.library_dirs.append(sysconfig.get_config_var('LIBDIR'))
+            else:
+                # building python standard extensions
+                self.library_dirs.append('.')
+
+        # The argument parsing will result in self.define being a string, but
+        # it has to be a list of 2-tuples.  All the preprocessor symbols
+        # specified by the 'define' option will be set to '1'.  Multiple
+        # symbols can be separated with commas.
+
+        if self.define:
+            defines = self.define.split(',')
+            self.define = [(symbol, '1') for symbol in defines]
+
+        # The option for macros to undefine is also a string from the
+        # option parsing, but has to be a list.  Multiple symbols can also
+        # be separated with commas here.
+        if self.undef:
+            self.undef = self.undef.split(',')
+
+        if self.swig_opts is None:
+            self.swig_opts = []
+        else:
+            self.swig_opts = self.swig_opts.split(' ')
+
+        # Finally add the user include and library directories if requested
+        if self.user:
+            user_include = os.path.join(USER_BASE, "include")
+            user_lib = os.path.join(USER_BASE, "lib")
+            if os.path.isdir(user_include):
+                self.include_dirs.append(user_include)
+            if os.path.isdir(user_lib):
+                self.library_dirs.append(user_lib)
+                self.rpath.append(user_lib)
+
+        if isinstance(self.parallel, str):
+            try:
+                self.parallel = int(self.parallel)
+            except ValueError:
+                raise DistutilsOptionError("parallel should be an integer")
+
+    def run(self):  # noqa: C901
+        from distutils.ccompiler import new_compiler
+
+        # 'self.extensions', as supplied by setup.py, is a list of
+        # Extension instances.  See the documentation for Extension (in
+        # distutils.extension) for details.
+        #
+        # For backwards compatibility with Distutils 0.8.2 and earlier, we
+        # also allow the 'extensions' list to be a list of tuples:
+        #    (ext_name, build_info)
+        # where build_info is a dictionary containing everything that
+        # Extension instances do except the name, with a few things being
+        # differently named.  We convert these 2-tuples to Extension
+        # instances as needed.
+
+        if not self.extensions:
+            return
+
+        # If we were asked to build any C/C++ libraries, make sure that the
+        # directory where we put them is in the library search path for
+        # linking extensions.
+        if self.distribution.has_c_libraries():
+            build_clib = self.get_finalized_command('build_clib')
+            self.libraries.extend(build_clib.get_library_names() or [])
+            self.library_dirs.append(build_clib.build_clib)
+
+        # Setup the CCompiler object that we'll use to do all the
+        # compiling and linking
+        self.compiler = new_compiler(
+            compiler=self.compiler,
+            verbose=self.verbose,
+            dry_run=self.dry_run,
+            force=self.force,
+        )
+        customize_compiler(self.compiler)
+        # If we are cross-compiling, init the compiler now (if we are not
+        # cross-compiling, init would not hurt, but people may rely on
+        # late initialization of compiler even if they shouldn't...)
+        if os.name == 'nt' and self.plat_name != get_platform():
+            self.compiler.initialize(self.plat_name)
+
+        # And make sure that any compile/link-related options (which might
+        # come from the command-line or from the setup script) are set in
+        # that CCompiler object -- that way, they automatically apply to
+        # all compiling and linking done here.
+        if self.include_dirs is not None:
+            self.compiler.set_include_dirs(self.include_dirs)
+        if self.define is not None:
+            # 'define' option is a list of (name,value) tuples
+            for (name, value) in self.define:
+                self.compiler.define_macro(name, value)
+        if self.undef is not None:
+            for macro in self.undef:
+                self.compiler.undefine_macro(macro)
+        if self.libraries is not None:
+            self.compiler.set_libraries(self.libraries)
+        if self.library_dirs is not None:
+            self.compiler.set_library_dirs(self.library_dirs)
+        if self.rpath is not None:
+            self.compiler.set_runtime_library_dirs(self.rpath)
+        if self.link_objects is not None:
+            self.compiler.set_link_objects(self.link_objects)
+
+        # Now actually compile and link everything.
+        self.build_extensions()
+
+    def check_extensions_list(self, extensions):  # noqa: C901
+        """Ensure that the list of extensions (presumably provided as a
+        command option 'extensions') is valid, i.e. it is a list of
+        Extension objects.  We also support the old-style list of 2-tuples,
+        where the tuples are (ext_name, build_info), which are converted to
+        Extension instances here.
+
+        Raise DistutilsSetupError if the structure is invalid anywhere;
+        just returns otherwise.
+        """
+        if not isinstance(extensions, list):
+            raise DistutilsSetupError(
+                "'ext_modules' option must be a list of Extension instances"
+            )
+
+        for i, ext in enumerate(extensions):
+            if isinstance(ext, Extension):
+                continue  # OK! (assume type-checking done
+                # by Extension constructor)
+
+            if not isinstance(ext, tuple) or len(ext) != 2:
+                raise DistutilsSetupError(
+                    "each element of 'ext_modules' option must be an "
+                    "Extension instance or 2-tuple"
+                )
+
+            ext_name, build_info = ext
+
+            log.warn(
+                "old-style (ext_name, build_info) tuple found in "
+                "ext_modules for extension '%s' "
+                "-- please convert to Extension instance",
+                ext_name,
+            )
+
+            if not (isinstance(ext_name, str) and extension_name_re.match(ext_name)):
+                raise DistutilsSetupError(
+                    "first element of each tuple in 'ext_modules' "
+                    "must be the extension name (a string)"
+                )
+
+            if not isinstance(build_info, dict):
+                raise DistutilsSetupError(
+                    "second element of each tuple in 'ext_modules' "
+                    "must be a dictionary (build info)"
+                )
+
+            # OK, the (ext_name, build_info) dict is type-safe: convert it
+            # to an Extension instance.
+            ext = Extension(ext_name, build_info['sources'])
+
+            # Easy stuff: one-to-one mapping from dict elements to
+            # instance attributes.
+            for key in (
+                'include_dirs',
+                'library_dirs',
+                'libraries',
+                'extra_objects',
+                'extra_compile_args',
+                'extra_link_args',
+            ):
+                val = build_info.get(key)
+                if val is not None:
+                    setattr(ext, key, val)
+
+            # Medium-easy stuff: same syntax/semantics, different names.
+            ext.runtime_library_dirs = build_info.get('rpath')
+            if 'def_file' in build_info:
+                log.warn("'def_file' element of build info dict " "no longer supported")
+
+            # Non-trivial stuff: 'macros' split into 'define_macros'
+            # and 'undef_macros'.
+            macros = build_info.get('macros')
+            if macros:
+                ext.define_macros = []
+                ext.undef_macros = []
+                for macro in macros:
+                    if not (isinstance(macro, tuple) and len(macro) in (1, 2)):
+                        raise DistutilsSetupError(
+                            "'macros' element of build info dict "
+                            "must be 1- or 2-tuple"
+                        )
+                    if len(macro) == 1:
+                        ext.undef_macros.append(macro[0])
+                    elif len(macro) == 2:
+                        ext.define_macros.append(macro)
+
+            extensions[i] = ext
+
+    def get_source_files(self):
+        self.check_extensions_list(self.extensions)
+        filenames = []
+
+        # Wouldn't it be neat if we knew the names of header files too...
+        for ext in self.extensions:
+            filenames.extend(ext.sources)
+        return filenames
+
+    def get_outputs(self):
+        # Sanity check the 'extensions' list -- can't assume this is being
+        # done in the same run as a 'build_extensions()' call (in fact, we
+        # can probably assume that it *isn't*!).
+        self.check_extensions_list(self.extensions)
+
+        # And build the list of output (built) filenames.  Note that this
+        # ignores the 'inplace' flag, and assumes everything goes in the
+        # "build" tree.
+        outputs = []
+        for ext in self.extensions:
+            outputs.append(self.get_ext_fullpath(ext.name))
+        return outputs
+
+    def build_extensions(self):
+        # First, sanity-check the 'extensions' list
+        self.check_extensions_list(self.extensions)
+        if self.parallel:
+            self._build_extensions_parallel()
+        else:
+            self._build_extensions_serial()
+
+    def _build_extensions_parallel(self):
+        workers = self.parallel
+        if self.parallel is True:
+            workers = os.cpu_count()  # may return None
+        try:
+            from concurrent.futures import ThreadPoolExecutor
+        except ImportError:
+            workers = None
+
+        if workers is None:
+            self._build_extensions_serial()
+            return
+
+        with ThreadPoolExecutor(max_workers=workers) as executor:
+            futures = [
+                executor.submit(self.build_extension, ext) for ext in self.extensions
+            ]
+            for ext, fut in zip(self.extensions, futures):
+                with self._filter_build_errors(ext):
+                    fut.result()
+
+    def _build_extensions_serial(self):
+        for ext in self.extensions:
+            with self._filter_build_errors(ext):
+                self.build_extension(ext)
+
+    @contextlib.contextmanager
+    def _filter_build_errors(self, ext):
+        try:
+            yield
+        except (CCompilerError, DistutilsError, CompileError) as e:
+            if not ext.optional:
+                raise
+            self.warn('building extension "{}" failed: {}'.format(ext.name, e))
+
+    def build_extension(self, ext):
+        sources = ext.sources
+        if sources is None or not isinstance(sources, (list, tuple)):
+            raise DistutilsSetupError(
+                "in 'ext_modules' option (extension '%s'), "
+                "'sources' must be present and must be "
+                "a list of source filenames" % ext.name
+            )
+        # sort to make the resulting .so file build reproducible
+        sources = sorted(sources)
+
+        ext_path = self.get_ext_fullpath(ext.name)
+        depends = sources + ext.depends
+        if not (self.force or newer_group(depends, ext_path, 'newer')):
+            log.debug("skipping '%s' extension (up-to-date)", ext.name)
+            return
+        else:
+            log.info("building '%s' extension", ext.name)
+
+        # First, scan the sources for SWIG definition files (.i), run
+        # SWIG on 'em to create .c files, and modify the sources list
+        # accordingly.
+        sources = self.swig_sources(sources, ext)
+
+        # Next, compile the source code to object files.
+
+        # XXX not honouring 'define_macros' or 'undef_macros' -- the
+        # CCompiler API needs to change to accommodate this, and I
+        # want to do one thing at a time!
+
+        # Two possible sources for extra compiler arguments:
+        #   - 'extra_compile_args' in Extension object
+        #   - CFLAGS environment variable (not particularly
+        #     elegant, but people seem to expect it and I
+        #     guess it's useful)
+        # The environment variable should take precedence, and
+        # any sensible compiler will give precedence to later
+        # command line args.  Hence we combine them in order:
+        extra_args = ext.extra_compile_args or []
+
+        macros = ext.define_macros[:]
+        for undef in ext.undef_macros:
+            macros.append((undef,))
+
+        objects = self.compiler.compile(
+            sources,
+            output_dir=self.build_temp,
+            macros=macros,
+            include_dirs=ext.include_dirs,
+            debug=self.debug,
+            extra_postargs=extra_args,
+            depends=ext.depends,
+        )
+
+        # XXX outdated variable, kept here in case third-part code
+        # needs it.
+        self._built_objects = objects[:]
+
+        # Now link the object files together into a "shared object" --
+        # of course, first we have to figure out all the other things
+        # that go into the mix.
+        if ext.extra_objects:
+            objects.extend(ext.extra_objects)
+        extra_args = ext.extra_link_args or []
+
+        # Detect target language, if not provided
+        language = ext.language or self.compiler.detect_language(sources)
+
+        self.compiler.link_shared_object(
+            objects,
+            ext_path,
+            libraries=self.get_libraries(ext),
+            library_dirs=ext.library_dirs,
+            runtime_library_dirs=ext.runtime_library_dirs,
+            extra_postargs=extra_args,
+            export_symbols=self.get_export_symbols(ext),
+            debug=self.debug,
+            build_temp=self.build_temp,
+            target_lang=language,
+        )
+
+    def swig_sources(self, sources, extension):
+        """Walk the list of source files in 'sources', looking for SWIG
+        interface (.i) files.  Run SWIG on all that are found, and
+        return a modified 'sources' list with SWIG source files replaced
+        by the generated C (or C++) files.
+        """
+        new_sources = []
+        swig_sources = []
+        swig_targets = {}
+
+        # XXX this drops generated C/C++ files into the source tree, which
+        # is fine for developers who want to distribute the generated
+        # source -- but there should be an option to put SWIG output in
+        # the temp dir.
+
+        if self.swig_cpp:
+            log.warn("--swig-cpp is deprecated - use --swig-opts=-c++")
+
+        if (
+            self.swig_cpp
+            or ('-c++' in self.swig_opts)
+            or ('-c++' in extension.swig_opts)
+        ):
+            target_ext = '.cpp'
+        else:
+            target_ext = '.c'
+
+        for source in sources:
+            (base, ext) = os.path.splitext(source)
+            if ext == ".i":  # SWIG interface file
+                new_sources.append(base + '_wrap' + target_ext)
+                swig_sources.append(source)
+                swig_targets[source] = new_sources[-1]
+            else:
+                new_sources.append(source)
+
+        if not swig_sources:
+            return new_sources
+
+        swig = self.swig or self.find_swig()
+        swig_cmd = [swig, "-python"]
+        swig_cmd.extend(self.swig_opts)
+        if self.swig_cpp:
+            swig_cmd.append("-c++")
+
+        # Do not override commandline arguments
+        if not self.swig_opts:
+            for o in extension.swig_opts:
+                swig_cmd.append(o)
+
+        for source in swig_sources:
+            target = swig_targets[source]
+            log.info("swigging %s to %s", source, target)
+            self.spawn(swig_cmd + ["-o", target, source])
+
+        return new_sources
+
+    def find_swig(self):
+        """Return the name of the SWIG executable.  On Unix, this is
+        just "swig" -- it should be in the PATH.  Tries a bit harder on
+        Windows.
+        """
+        if os.name == "posix":
+            return "swig"
+        elif os.name == "nt":
+            # Look for SWIG in its standard installation directory on
+            # Windows (or so I presume!).  If we find it there, great;
+            # if not, act like Unix and assume it's in the PATH.
+            for vers in ("1.3", "1.2", "1.1"):
+                fn = os.path.join("c:\\swig%s" % vers, "swig.exe")
+                if os.path.isfile(fn):
+                    return fn
+            else:
+                return "swig.exe"
+        else:
+            raise DistutilsPlatformError(
+                "I don't know how to find (much less run) SWIG "
+                "on platform '%s'" % os.name
+            )
+
+    # -- Name generators -----------------------------------------------
+    # (extension names, filenames, whatever)
+    def get_ext_fullpath(self, ext_name):
+        """Returns the path of the filename for a given extension.
+
+        The file is located in `build_lib` or directly in the package
+        (inplace option).
+        """
+        fullname = self.get_ext_fullname(ext_name)
+        modpath = fullname.split('.')
+        filename = self.get_ext_filename(modpath[-1])
+
+        if not self.inplace:
+            # no further work needed
+            # returning :
+            #   build_dir/package/path/filename
+            filename = os.path.join(*modpath[:-1] + [filename])
+            return os.path.join(self.build_lib, filename)
+
+        # the inplace option requires to find the package directory
+        # using the build_py command for that
+        package = '.'.join(modpath[0:-1])
+        build_py = self.get_finalized_command('build_py')
+        package_dir = os.path.abspath(build_py.get_package_dir(package))
+
+        # returning
+        #   package_dir/filename
+        return os.path.join(package_dir, filename)
+
+    def get_ext_fullname(self, ext_name):
+        """Returns the fullname of a given extension name.
+
+        Adds the `package.` prefix"""
+        if self.package is None:
+            return ext_name
+        else:
+            return self.package + '.' + ext_name
+
+    def get_ext_filename(self, ext_name):
+        r"""Convert the name of an extension (eg. "foo.bar") into the name
+        of the file from which it will be loaded (eg. "foo/bar.so", or
+        "foo\bar.pyd").
+        """
+        from distutils.sysconfig import get_config_var
+
+        ext_path = ext_name.split('.')
+        ext_suffix = get_config_var('EXT_SUFFIX')
+        return os.path.join(*ext_path) + ext_suffix
+
+    def get_export_symbols(self, ext):
+        """Return the list of symbols that a shared extension has to
+        export.  This either uses 'ext.export_symbols' or, if it's not
+        provided, "PyInit_" + module_name.  Only relevant on Windows, where
+        the .pyd file (DLL) must export the module "PyInit_" function.
+        """
+        name = ext.name.split('.')[-1]
+        try:
+            # Unicode module name support as defined in PEP-489
+            # https://www.python.org/dev/peps/pep-0489/#export-hook-name
+            name.encode('ascii')
+        except UnicodeEncodeError:
+            suffix = 'U_' + name.encode('punycode').replace(b'-', b'_').decode('ascii')
+        else:
+            suffix = "_" + name
+
+        initfunc_name = "PyInit" + suffix
+        if initfunc_name not in ext.export_symbols:
+            ext.export_symbols.append(initfunc_name)
+        return ext.export_symbols
+
+    def get_libraries(self, ext):  # noqa: C901
+        """Return the list of libraries to link against when building a
+        shared extension.  On most platforms, this is just 'ext.libraries';
+        on Windows, we add the Python library (eg. python20.dll).
+        """
+        # The python library is always needed on Windows.  For MSVC, this
+        # is redundant, since the library is mentioned in a pragma in
+        # pyconfig.h that MSVC groks.  The other Windows compilers all seem
+        # to need it mentioned explicitly, though, so that's what we do.
+        # Append '_d' to the python import library on debug builds.
+        if sys.platform == "win32":
+            from distutils._msvccompiler import MSVCCompiler
+
+            if not isinstance(self.compiler, MSVCCompiler):
+                template = "python%d%d"
+                if self.debug:
+                    template = template + '_d'
+                pythonlib = template % (
+                    sys.hexversion >> 24,
+                    (sys.hexversion >> 16) & 0xFF,
+                )
+                # don't extend ext.libraries, it may be shared with other
+                # extensions, it is a reference to the original list
+                return ext.libraries + [pythonlib]
+        else:
+            # On Android only the main executable and LD_PRELOADs are considered
+            # to be RTLD_GLOBAL, all the dependencies of the main executable
+            # remain RTLD_LOCAL and so the shared libraries must be linked with
+            # libpython when python is built with a shared python library (issue
+            # bpo-21536).
+            # On Cygwin (and if required, other POSIX-like platforms based on
+            # Windows like MinGW) it is simply necessary that all symbols in
+            # shared libraries are resolved at link time.
+            from distutils.sysconfig import get_config_var
+
+            link_libpython = False
+            if get_config_var('Py_ENABLE_SHARED'):
+                # A native build on an Android device or on Cygwin
+                if hasattr(sys, 'getandroidapilevel'):
+                    link_libpython = True
+                elif sys.platform == 'cygwin':
+                    link_libpython = True
+                elif '_PYTHON_HOST_PLATFORM' in os.environ:
+                    # We are cross-compiling for one of the relevant platforms
+                    if get_config_var('ANDROID_API_LEVEL') != 0:
+                        link_libpython = True
+                    elif get_config_var('MACHDEP') == 'cygwin':
+                        link_libpython = True
+
+            if link_libpython:
+                ldversion = get_config_var('LDVERSION')
+                return ext.libraries + ['python' + ldversion]
+
+        return ext.libraries + py37compat.pythonlib()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_py.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_py.py
new file mode 100644
index 00000000..47c6158e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_py.py
@@ -0,0 +1,407 @@
+"""distutils.command.build_py
+
+Implements the Distutils 'build_py' command."""
+
+import os
+import importlib.util
+import sys
+import glob
+
+from distutils.core import Command
+from distutils.errors import DistutilsOptionError, DistutilsFileError
+from distutils.util import convert_path
+from distutils import log
+
+
+class build_py(Command):
+
+    description = "\"build\" pure Python modules (copy to build directory)"
+
+    user_options = [
+        ('build-lib=', 'd', "directory to \"build\" (copy) to"),
+        ('compile', 'c', "compile .py to .pyc"),
+        ('no-compile', None, "don't compile .py files [default]"),
+        (
+            'optimize=',
+            'O',
+            "also compile with optimization: -O1 for \"python -O\", "
+            "-O2 for \"python -OO\", and -O0 to disable [default: -O0]",
+        ),
+        ('force', 'f', "forcibly build everything (ignore file timestamps)"),
+    ]
+
+    boolean_options = ['compile', 'force']
+    negative_opt = {'no-compile': 'compile'}
+
+    def initialize_options(self):
+        self.build_lib = None
+        self.py_modules = None
+        self.package = None
+        self.package_data = None
+        self.package_dir = None
+        self.compile = 0
+        self.optimize = 0
+        self.force = None
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'build', ('build_lib', 'build_lib'), ('force', 'force')
+        )
+
+        # Get the distribution options that are aliases for build_py
+        # options -- list of packages and list of modules.
+        self.packages = self.distribution.packages
+        self.py_modules = self.distribution.py_modules
+        self.package_data = self.distribution.package_data
+        self.package_dir = {}
+        if self.distribution.package_dir:
+            for name, path in self.distribution.package_dir.items():
+                self.package_dir[name] = convert_path(path)
+        self.data_files = self.get_data_files()
+
+        # Ick, copied straight from install_lib.py (fancy_getopt needs a
+        # type system!  Hell, *everything* needs a type system!!!)
+        if not isinstance(self.optimize, int):
+            try:
+                self.optimize = int(self.optimize)
+                assert 0 <= self.optimize <= 2
+            except (ValueError, AssertionError):
+                raise DistutilsOptionError("optimize must be 0, 1, or 2")
+
+    def run(self):
+        # XXX copy_file by default preserves atime and mtime.  IMHO this is
+        # the right thing to do, but perhaps it should be an option -- in
+        # particular, a site administrator might want installed files to
+        # reflect the time of installation rather than the last
+        # modification time before the installed release.
+
+        # XXX copy_file by default preserves mode, which appears to be the
+        # wrong thing to do: if a file is read-only in the working
+        # directory, we want it to be installed read/write so that the next
+        # installation of the same module distribution can overwrite it
+        # without problems.  (This might be a Unix-specific issue.)  Thus
+        # we turn off 'preserve_mode' when copying to the build directory,
+        # since the build directory is supposed to be exactly what the
+        # installation will look like (ie. we preserve mode when
+        # installing).
+
+        # Two options control which modules will be installed: 'packages'
+        # and 'py_modules'.  The former lets us work with whole packages, not
+        # specifying individual modules at all; the latter is for
+        # specifying modules one-at-a-time.
+
+        if self.py_modules:
+            self.build_modules()
+        if self.packages:
+            self.build_packages()
+            self.build_package_data()
+
+        self.byte_compile(self.get_outputs(include_bytecode=0))
+
+    def get_data_files(self):
+        """Generate list of '(package,src_dir,build_dir,filenames)' tuples"""
+        data = []
+        if not self.packages:
+            return data
+        for package in self.packages:
+            # Locate package source directory
+            src_dir = self.get_package_dir(package)
+
+            # Compute package build directory
+            build_dir = os.path.join(*([self.build_lib] + package.split('.')))
+
+            # Length of path to strip from found files
+            plen = 0
+            if src_dir:
+                plen = len(src_dir) + 1
+
+            # Strip directory from globbed filenames
+            filenames = [file[plen:] for file in self.find_data_files(package, src_dir)]
+            data.append((package, src_dir, build_dir, filenames))
+        return data
+
+    def find_data_files(self, package, src_dir):
+        """Return filenames for package's data files in 'src_dir'"""
+        globs = self.package_data.get('', []) + self.package_data.get(package, [])
+        files = []
+        for pattern in globs:
+            # Each pattern has to be converted to a platform-specific path
+            filelist = glob.glob(
+                os.path.join(glob.escape(src_dir), convert_path(pattern))
+            )
+            # Files that match more than one pattern are only added once
+            files.extend(
+                [fn for fn in filelist if fn not in files and os.path.isfile(fn)]
+            )
+        return files
+
+    def build_package_data(self):
+        """Copy data files into build directory"""
+        for package, src_dir, build_dir, filenames in self.data_files:
+            for filename in filenames:
+                target = os.path.join(build_dir, filename)
+                self.mkpath(os.path.dirname(target))
+                self.copy_file(
+                    os.path.join(src_dir, filename), target, preserve_mode=False
+                )
+
+    def get_package_dir(self, package):
+        """Return the directory, relative to the top of the source
+        distribution, where package 'package' should be found
+        (at least according to the 'package_dir' option, if any)."""
+        path = package.split('.')
+
+        if not self.package_dir:
+            if path:
+                return os.path.join(*path)
+            else:
+                return ''
+        else:
+            tail = []
+            while path:
+                try:
+                    pdir = self.package_dir['.'.join(path)]
+                except KeyError:
+                    tail.insert(0, path[-1])
+                    del path[-1]
+                else:
+                    tail.insert(0, pdir)
+                    return os.path.join(*tail)
+            else:
+                # Oops, got all the way through 'path' without finding a
+                # match in package_dir.  If package_dir defines a directory
+                # for the root (nameless) package, then fallback on it;
+                # otherwise, we might as well have not consulted
+                # package_dir at all, as we just use the directory implied
+                # by 'tail' (which should be the same as the original value
+                # of 'path' at this point).
+                pdir = self.package_dir.get('')
+                if pdir is not None:
+                    tail.insert(0, pdir)
+
+                if tail:
+                    return os.path.join(*tail)
+                else:
+                    return ''
+
+    def check_package(self, package, package_dir):
+        # Empty dir name means current directory, which we can probably
+        # assume exists.  Also, os.path.exists and isdir don't know about
+        # my "empty string means current dir" convention, so we have to
+        # circumvent them.
+        if package_dir != "":
+            if not os.path.exists(package_dir):
+                raise DistutilsFileError(
+                    "package directory '%s' does not exist" % package_dir
+                )
+            if not os.path.isdir(package_dir):
+                raise DistutilsFileError(
+                    "supposed package directory '%s' exists, "
+                    "but is not a directory" % package_dir
+                )
+
+        # Directories without __init__.py are namespace packages (PEP 420).
+        if package:
+            init_py = os.path.join(package_dir, "__init__.py")
+            if os.path.isfile(init_py):
+                return init_py
+
+        # Either not in a package at all (__init__.py not expected), or
+        # __init__.py doesn't exist -- so don't return the filename.
+        return None
+
+    def check_module(self, module, module_file):
+        if not os.path.isfile(module_file):
+            log.warn("file %s (for module %s) not found", module_file, module)
+            return False
+        else:
+            return True
+
+    def find_package_modules(self, package, package_dir):
+        self.check_package(package, package_dir)
+        module_files = glob.glob(os.path.join(glob.escape(package_dir), "*.py"))
+        modules = []
+        setup_script = os.path.abspath(self.distribution.script_name)
+
+        for f in module_files:
+            abs_f = os.path.abspath(f)
+            if abs_f != setup_script:
+                module = os.path.splitext(os.path.basename(f))[0]
+                modules.append((package, module, f))
+            else:
+                self.debug_print("excluding %s" % setup_script)
+        return modules
+
+    def find_modules(self):
+        """Finds individually-specified Python modules, ie. those listed by
+        module name in 'self.py_modules'.  Returns a list of tuples (package,
+        module_base, filename): 'package' is a tuple of the path through
+        package-space to the module; 'module_base' is the bare (no
+        packages, no dots) module name, and 'filename' is the path to the
+        ".py" file (relative to the distribution root) that implements the
+        module.
+        """
+        # Map package names to tuples of useful info about the package:
+        #    (package_dir, checked)
+        # package_dir - the directory where we'll find source files for
+        #   this package
+        # checked - true if we have checked that the package directory
+        #   is valid (exists, contains __init__.py, ... ?)
+        packages = {}
+
+        # List of (package, module, filename) tuples to return
+        modules = []
+
+        # We treat modules-in-packages almost the same as toplevel modules,
+        # just the "package" for a toplevel is empty (either an empty
+        # string or empty list, depending on context).  Differences:
+        #   - don't check for __init__.py in directory for empty package
+        for module in self.py_modules:
+            path = module.split('.')
+            package = '.'.join(path[0:-1])
+            module_base = path[-1]
+
+            try:
+                (package_dir, checked) = packages[package]
+            except KeyError:
+                package_dir = self.get_package_dir(package)
+                checked = 0
+
+            if not checked:
+                init_py = self.check_package(package, package_dir)
+                packages[package] = (package_dir, 1)
+                if init_py:
+                    modules.append((package, "__init__", init_py))
+
+            # XXX perhaps we should also check for just .pyc files
+            # (so greedy closed-source bastards can distribute Python
+            # modules too)
+            module_file = os.path.join(package_dir, module_base + ".py")
+            if not self.check_module(module, module_file):
+                continue
+
+            modules.append((package, module_base, module_file))
+
+        return modules
+
+    def find_all_modules(self):
+        """Compute the list of all modules that will be built, whether
+        they are specified one-module-at-a-time ('self.py_modules') or
+        by whole packages ('self.packages').  Return a list of tuples
+        (package, module, module_file), just like 'find_modules()' and
+        'find_package_modules()' do."""
+        modules = []
+        if self.py_modules:
+            modules.extend(self.find_modules())
+        if self.packages:
+            for package in self.packages:
+                package_dir = self.get_package_dir(package)
+                m = self.find_package_modules(package, package_dir)
+                modules.extend(m)
+        return modules
+
+    def get_source_files(self):
+        return [module[-1] for module in self.find_all_modules()]
+
+    def get_module_outfile(self, build_dir, package, module):
+        outfile_path = [build_dir] + list(package) + [module + ".py"]
+        return os.path.join(*outfile_path)
+
+    def get_outputs(self, include_bytecode=1):
+        modules = self.find_all_modules()
+        outputs = []
+        for (package, module, module_file) in modules:
+            package = package.split('.')
+            filename = self.get_module_outfile(self.build_lib, package, module)
+            outputs.append(filename)
+            if include_bytecode:
+                if self.compile:
+                    outputs.append(
+                        importlib.util.cache_from_source(filename, optimization='')
+                    )
+                if self.optimize > 0:
+                    outputs.append(
+                        importlib.util.cache_from_source(
+                            filename, optimization=self.optimize
+                        )
+                    )
+
+        outputs += [
+            os.path.join(build_dir, filename)
+            for package, src_dir, build_dir, filenames in self.data_files
+            for filename in filenames
+        ]
+
+        return outputs
+
+    def build_module(self, module, module_file, package):
+        if isinstance(package, str):
+            package = package.split('.')
+        elif not isinstance(package, (list, tuple)):
+            raise TypeError(
+                "'package' must be a string (dot-separated), list, or tuple"
+            )
+
+        # Now put the module source file into the "build" area -- this is
+        # easy, we just copy it somewhere under self.build_lib (the build
+        # directory for Python source).
+        outfile = self.get_module_outfile(self.build_lib, package, module)
+        dir = os.path.dirname(outfile)
+        self.mkpath(dir)
+        return self.copy_file(module_file, outfile, preserve_mode=0)
+
+    def build_modules(self):
+        modules = self.find_modules()
+        for (package, module, module_file) in modules:
+            # Now "build" the module -- ie. copy the source file to
+            # self.build_lib (the build directory for Python source).
+            # (Actually, it gets copied to the directory for this package
+            # under self.build_lib.)
+            self.build_module(module, module_file, package)
+
+    def build_packages(self):
+        for package in self.packages:
+            # Get list of (package, module, module_file) tuples based on
+            # scanning the package directory.  'package' is only included
+            # in the tuple so that 'find_modules()' and
+            # 'find_package_tuples()' have a consistent interface; it's
+            # ignored here (apart from a sanity check).  Also, 'module' is
+            # the *unqualified* module name (ie. no dots, no package -- we
+            # already know its package!), and 'module_file' is the path to
+            # the .py file, relative to the current directory
+            # (ie. including 'package_dir').
+            package_dir = self.get_package_dir(package)
+            modules = self.find_package_modules(package, package_dir)
+
+            # Now loop over the modules we found, "building" each one (just
+            # copy it to self.build_lib).
+            for (package_, module, module_file) in modules:
+                assert package == package_
+                self.build_module(module, module_file, package)
+
+    def byte_compile(self, files):
+        if sys.dont_write_bytecode:
+            self.warn('byte-compiling is disabled, skipping.')
+            return
+
+        from distutils.util import byte_compile
+
+        prefix = self.build_lib
+        if prefix[-1] != os.sep:
+            prefix = prefix + os.sep
+
+        # XXX this code is essentially the same as the 'byte_compile()
+        # method of the "install_lib" command, except for the determination
+        # of the 'prefix' string.  Hmmm.
+        if self.compile:
+            byte_compile(
+                files, optimize=0, force=self.force, prefix=prefix, dry_run=self.dry_run
+            )
+        if self.optimize > 0:
+            byte_compile(
+                files,
+                optimize=self.optimize,
+                force=self.force,
+                prefix=prefix,
+                dry_run=self.dry_run,
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_scripts.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_scripts.py
new file mode 100644
index 00000000..2cc5d1e0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/build_scripts.py
@@ -0,0 +1,173 @@
+"""distutils.command.build_scripts
+
+Implements the Distutils 'build_scripts' command."""
+
+import os
+import re
+from stat import ST_MODE
+from distutils import sysconfig
+from distutils.core import Command
+from distutils.dep_util import newer
+from distutils.util import convert_path
+from distutils import log
+import tokenize
+
+shebang_pattern = re.compile('^#!.*python[0-9.]*([ \t].*)?$')
+"""
+Pattern matching a Python interpreter indicated in first line of a script.
+"""
+
+# for Setuptools compatibility
+first_line_re = shebang_pattern
+
+
+class build_scripts(Command):
+
+    description = "\"build\" scripts (copy and fixup #! line)"
+
+    user_options = [
+        ('build-dir=', 'd', "directory to \"build\" (copy) to"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps"),
+        ('executable=', 'e', "specify final destination interpreter path"),
+    ]
+
+    boolean_options = ['force']
+
+    def initialize_options(self):
+        self.build_dir = None
+        self.scripts = None
+        self.force = None
+        self.executable = None
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'build',
+            ('build_scripts', 'build_dir'),
+            ('force', 'force'),
+            ('executable', 'executable'),
+        )
+        self.scripts = self.distribution.scripts
+
+    def get_source_files(self):
+        return self.scripts
+
+    def run(self):
+        if not self.scripts:
+            return
+        self.copy_scripts()
+
+    def copy_scripts(self):
+        """
+        Copy each script listed in ``self.scripts``.
+
+        If a script is marked as a Python script (first line matches
+        'shebang_pattern', i.e. starts with ``#!`` and contains
+        "python"), then adjust in the copy the first line to refer to
+        the current Python interpreter.
+        """
+        self.mkpath(self.build_dir)
+        outfiles = []
+        updated_files = []
+        for script in self.scripts:
+            self._copy_script(script, outfiles, updated_files)
+
+        self._change_modes(outfiles)
+
+        return outfiles, updated_files
+
+    def _copy_script(self, script, outfiles, updated_files):  # noqa: C901
+        shebang_match = None
+        script = convert_path(script)
+        outfile = os.path.join(self.build_dir, os.path.basename(script))
+        outfiles.append(outfile)
+
+        if not self.force and not newer(script, outfile):
+            log.debug("not copying %s (up-to-date)", script)
+            return
+
+        # Always open the file, but ignore failures in dry-run mode
+        # in order to attempt to copy directly.
+        try:
+            f = tokenize.open(script)
+        except OSError:
+            if not self.dry_run:
+                raise
+            f = None
+        else:
+            first_line = f.readline()
+            if not first_line:
+                self.warn("%s is an empty file (skipping)" % script)
+                return
+
+            shebang_match = shebang_pattern.match(first_line)
+
+        updated_files.append(outfile)
+        if shebang_match:
+            log.info("copying and adjusting %s -> %s", script, self.build_dir)
+            if not self.dry_run:
+                if not sysconfig.python_build:
+                    executable = self.executable
+                else:
+                    executable = os.path.join(
+                        sysconfig.get_config_var("BINDIR"),
+                        "python%s%s"
+                        % (
+                            sysconfig.get_config_var("VERSION"),
+                            sysconfig.get_config_var("EXE"),
+                        ),
+                    )
+                post_interp = shebang_match.group(1) or ''
+                shebang = "#!" + executable + post_interp + "\n"
+                self._validate_shebang(shebang, f.encoding)
+                with open(outfile, "w", encoding=f.encoding) as outf:
+                    outf.write(shebang)
+                    outf.writelines(f.readlines())
+            if f:
+                f.close()
+        else:
+            if f:
+                f.close()
+            self.copy_file(script, outfile)
+
+    def _change_modes(self, outfiles):
+        if os.name != 'posix':
+            return
+
+        for file in outfiles:
+            self._change_mode(file)
+
+    def _change_mode(self, file):
+        if self.dry_run:
+            log.info("changing mode of %s", file)
+            return
+
+        oldmode = os.stat(file)[ST_MODE] & 0o7777
+        newmode = (oldmode | 0o555) & 0o7777
+        if newmode != oldmode:
+            log.info("changing mode of %s from %o to %o", file, oldmode, newmode)
+            os.chmod(file, newmode)
+
+    @staticmethod
+    def _validate_shebang(shebang, encoding):
+        # Python parser starts to read a script using UTF-8 until
+        # it gets a #coding:xxx cookie. The shebang has to be the
+        # first line of a file, the #coding:xxx cookie cannot be
+        # written before. So the shebang has to be encodable to
+        # UTF-8.
+        try:
+            shebang.encode('utf-8')
+        except UnicodeEncodeError:
+            raise ValueError(
+                "The shebang ({!r}) is not encodable " "to utf-8".format(shebang)
+            )
+
+        # If the script is encoded to a custom encoding (use a
+        # #coding:xxx cookie), the shebang has to be encodable to
+        # the script encoding too.
+        try:
+            shebang.encode(encoding)
+        except UnicodeEncodeError:
+            raise ValueError(
+                "The shebang ({!r}) is not encodable "
+                "to the script encoding ({})".format(shebang, encoding)
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/check.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/check.py
new file mode 100644
index 00000000..539481c9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/check.py
@@ -0,0 +1,151 @@
+"""distutils.command.check
+
+Implements the Distutils 'check' command.
+"""
+import contextlib
+
+from distutils.core import Command
+from distutils.errors import DistutilsSetupError
+
+with contextlib.suppress(ImportError):
+    import docutils.utils
+    import docutils.parsers.rst
+    import docutils.frontend
+    import docutils.nodes
+
+    class SilentReporter(docutils.utils.Reporter):
+        def __init__(
+            self,
+            source,
+            report_level,
+            halt_level,
+            stream=None,
+            debug=0,
+            encoding='ascii',
+            error_handler='replace',
+        ):
+            self.messages = []
+            super().__init__(
+                source, report_level, halt_level, stream, debug, encoding, error_handler
+            )
+
+        def system_message(self, level, message, *children, **kwargs):
+            self.messages.append((level, message, children, kwargs))
+            return docutils.nodes.system_message(
+                message, level=level, type=self.levels[level], *children, **kwargs
+            )
+
+
+class check(Command):
+    """This command checks the meta-data of the package."""
+
+    description = "perform some checks on the package"
+    user_options = [
+        ('metadata', 'm', 'Verify meta-data'),
+        (
+            'restructuredtext',
+            'r',
+            (
+                'Checks if long string meta-data syntax '
+                'are reStructuredText-compliant'
+            ),
+        ),
+        ('strict', 's', 'Will exit with an error if a check fails'),
+    ]
+
+    boolean_options = ['metadata', 'restructuredtext', 'strict']
+
+    def initialize_options(self):
+        """Sets default values for options."""
+        self.restructuredtext = 0
+        self.metadata = 1
+        self.strict = 0
+        self._warnings = 0
+
+    def finalize_options(self):
+        pass
+
+    def warn(self, msg):
+        """Counts the number of warnings that occurs."""
+        self._warnings += 1
+        return Command.warn(self, msg)
+
+    def run(self):
+        """Runs the command."""
+        # perform the various tests
+        if self.metadata:
+            self.check_metadata()
+        if self.restructuredtext:
+            if 'docutils' in globals():
+                try:
+                    self.check_restructuredtext()
+                except TypeError as exc:
+                    raise DistutilsSetupError(str(exc))
+            elif self.strict:
+                raise DistutilsSetupError('The docutils package is needed.')
+
+        # let's raise an error in strict mode, if we have at least
+        # one warning
+        if self.strict and self._warnings > 0:
+            raise DistutilsSetupError('Please correct your package.')
+
+    def check_metadata(self):
+        """Ensures that all required elements of meta-data are supplied.
+
+        Required fields:
+            name, version
+
+        Warns if any are missing.
+        """
+        metadata = self.distribution.metadata
+
+        missing = []
+        for attr in 'name', 'version':
+            if not getattr(metadata, attr, None):
+                missing.append(attr)
+
+        if missing:
+            self.warn("missing required meta-data: %s" % ', '.join(missing))
+
+    def check_restructuredtext(self):
+        """Checks if the long string fields are reST-compliant."""
+        data = self.distribution.get_long_description()
+        for warning in self._check_rst_data(data):
+            line = warning[-1].get('line')
+            if line is None:
+                warning = warning[1]
+            else:
+                warning = '{} (line {})'.format(warning[1], line)
+            self.warn(warning)
+
+    def _check_rst_data(self, data):
+        """Returns warnings when the provided data doesn't compile."""
+        # the include and csv_table directives need this to be a path
+        source_path = self.distribution.script_name or 'setup.py'
+        parser = docutils.parsers.rst.Parser()
+        settings = docutils.frontend.OptionParser(
+            components=(docutils.parsers.rst.Parser,)
+        ).get_default_values()
+        settings.tab_width = 4
+        settings.pep_references = None
+        settings.rfc_references = None
+        reporter = SilentReporter(
+            source_path,
+            settings.report_level,
+            settings.halt_level,
+            stream=settings.warning_stream,
+            debug=settings.debug,
+            encoding=settings.error_encoding,
+            error_handler=settings.error_encoding_error_handler,
+        )
+
+        document = docutils.nodes.document(settings, reporter, source=source_path)
+        document.note_source(source_path, -1)
+        try:
+            parser.parse(data, document)
+        except AttributeError as e:
+            reporter.messages.append(
+                (-1, 'Could not finish the parsing: %s.' % e, '', {})
+            )
+
+        return reporter.messages
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/clean.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/clean.py
new file mode 100644
index 00000000..b731b606
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/clean.py
@@ -0,0 +1,76 @@
+"""distutils.command.clean
+
+Implements the Distutils 'clean' command."""
+
+# contributed by Bastian Kleineidam <calvin@cs.uni-sb.de>, added 2000-03-18
+
+import os
+from distutils.core import Command
+from distutils.dir_util import remove_tree
+from distutils import log
+
+
+class clean(Command):
+
+    description = "clean up temporary files from 'build' command"
+    user_options = [
+        ('build-base=', 'b', "base build directory (default: 'build.build-base')"),
+        (
+            'build-lib=',
+            None,
+            "build directory for all modules (default: 'build.build-lib')",
+        ),
+        ('build-temp=', 't', "temporary build directory (default: 'build.build-temp')"),
+        (
+            'build-scripts=',
+            None,
+            "build directory for scripts (default: 'build.build-scripts')",
+        ),
+        ('bdist-base=', None, "temporary directory for built distributions"),
+        ('all', 'a', "remove all build output, not just temporary by-products"),
+    ]
+
+    boolean_options = ['all']
+
+    def initialize_options(self):
+        self.build_base = None
+        self.build_lib = None
+        self.build_temp = None
+        self.build_scripts = None
+        self.bdist_base = None
+        self.all = None
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'build',
+            ('build_base', 'build_base'),
+            ('build_lib', 'build_lib'),
+            ('build_scripts', 'build_scripts'),
+            ('build_temp', 'build_temp'),
+        )
+        self.set_undefined_options('bdist', ('bdist_base', 'bdist_base'))
+
+    def run(self):
+        # remove the build/temp.<plat> directory (unless it's already
+        # gone)
+        if os.path.exists(self.build_temp):
+            remove_tree(self.build_temp, dry_run=self.dry_run)
+        else:
+            log.debug("'%s' does not exist -- can't clean it", self.build_temp)
+
+        if self.all:
+            # remove build directories
+            for directory in (self.build_lib, self.bdist_base, self.build_scripts):
+                if os.path.exists(directory):
+                    remove_tree(directory, dry_run=self.dry_run)
+                else:
+                    log.warn("'%s' does not exist -- can't clean it", directory)
+
+        # just for the heck of it, try to remove the base build directory:
+        # we might have emptied it right now, but if not we don't care
+        if not self.dry_run:
+            try:
+                os.rmdir(self.build_base)
+                log.info("removing '%s'", self.build_base)
+            except OSError:
+                pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/config.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/config.py
new file mode 100644
index 00000000..4492c896
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/config.py
@@ -0,0 +1,377 @@
+"""distutils.command.config
+
+Implements the Distutils 'config' command, a (mostly) empty command class
+that exists mainly to be sub-classed by specific module distributions and
+applications.  The idea is that while every "config" command is different,
+at least they're all named the same, and users always see "config" in the
+list of standard commands.  Also, this is a good place to put common
+configure-like tasks: "try to compile this C code", or "figure out where
+this header file lives".
+"""
+
+import os
+import re
+
+from distutils.core import Command
+from distutils.errors import DistutilsExecError
+from distutils.sysconfig import customize_compiler
+from distutils import log
+
+LANG_EXT = {"c": ".c", "c++": ".cxx"}
+
+
+class config(Command):
+
+    description = "prepare to build"
+
+    user_options = [
+        ('compiler=', None, "specify the compiler type"),
+        ('cc=', None, "specify the compiler executable"),
+        ('include-dirs=', 'I', "list of directories to search for header files"),
+        ('define=', 'D', "C preprocessor macros to define"),
+        ('undef=', 'U', "C preprocessor macros to undefine"),
+        ('libraries=', 'l', "external C libraries to link with"),
+        ('library-dirs=', 'L', "directories to search for external C libraries"),
+        ('noisy', None, "show every action (compile, link, run, ...) taken"),
+        (
+            'dump-source',
+            None,
+            "dump generated source files before attempting to compile them",
+        ),
+    ]
+
+    # The three standard command methods: since the "config" command
+    # does nothing by default, these are empty.
+
+    def initialize_options(self):
+        self.compiler = None
+        self.cc = None
+        self.include_dirs = None
+        self.libraries = None
+        self.library_dirs = None
+
+        # maximal output for now
+        self.noisy = 1
+        self.dump_source = 1
+
+        # list of temporary files generated along-the-way that we have
+        # to clean at some point
+        self.temp_files = []
+
+    def finalize_options(self):
+        if self.include_dirs is None:
+            self.include_dirs = self.distribution.include_dirs or []
+        elif isinstance(self.include_dirs, str):
+            self.include_dirs = self.include_dirs.split(os.pathsep)
+
+        if self.libraries is None:
+            self.libraries = []
+        elif isinstance(self.libraries, str):
+            self.libraries = [self.libraries]
+
+        if self.library_dirs is None:
+            self.library_dirs = []
+        elif isinstance(self.library_dirs, str):
+            self.library_dirs = self.library_dirs.split(os.pathsep)
+
+    def run(self):
+        pass
+
+    # Utility methods for actual "config" commands.  The interfaces are
+    # loosely based on Autoconf macros of similar names.  Sub-classes
+    # may use these freely.
+
+    def _check_compiler(self):
+        """Check that 'self.compiler' really is a CCompiler object;
+        if not, make it one.
+        """
+        # We do this late, and only on-demand, because this is an expensive
+        # import.
+        from distutils.ccompiler import CCompiler, new_compiler
+
+        if not isinstance(self.compiler, CCompiler):
+            self.compiler = new_compiler(
+                compiler=self.compiler, dry_run=self.dry_run, force=1
+            )
+            customize_compiler(self.compiler)
+            if self.include_dirs:
+                self.compiler.set_include_dirs(self.include_dirs)
+            if self.libraries:
+                self.compiler.set_libraries(self.libraries)
+            if self.library_dirs:
+                self.compiler.set_library_dirs(self.library_dirs)
+
+    def _gen_temp_sourcefile(self, body, headers, lang):
+        filename = "_configtest" + LANG_EXT[lang]
+        with open(filename, "w") as file:
+            if headers:
+                for header in headers:
+                    file.write("#include <%s>\n" % header)
+                file.write("\n")
+            file.write(body)
+            if body[-1] != "\n":
+                file.write("\n")
+        return filename
+
+    def _preprocess(self, body, headers, include_dirs, lang):
+        src = self._gen_temp_sourcefile(body, headers, lang)
+        out = "_configtest.i"
+        self.temp_files.extend([src, out])
+        self.compiler.preprocess(src, out, include_dirs=include_dirs)
+        return (src, out)
+
+    def _compile(self, body, headers, include_dirs, lang):
+        src = self._gen_temp_sourcefile(body, headers, lang)
+        if self.dump_source:
+            dump_file(src, "compiling '%s':" % src)
+        (obj,) = self.compiler.object_filenames([src])
+        self.temp_files.extend([src, obj])
+        self.compiler.compile([src], include_dirs=include_dirs)
+        return (src, obj)
+
+    def _link(self, body, headers, include_dirs, libraries, library_dirs, lang):
+        (src, obj) = self._compile(body, headers, include_dirs, lang)
+        prog = os.path.splitext(os.path.basename(src))[0]
+        self.compiler.link_executable(
+            [obj],
+            prog,
+            libraries=libraries,
+            library_dirs=library_dirs,
+            target_lang=lang,
+        )
+
+        if self.compiler.exe_extension is not None:
+            prog = prog + self.compiler.exe_extension
+        self.temp_files.append(prog)
+
+        return (src, obj, prog)
+
+    def _clean(self, *filenames):
+        if not filenames:
+            filenames = self.temp_files
+            self.temp_files = []
+        log.info("removing: %s", ' '.join(filenames))
+        for filename in filenames:
+            try:
+                os.remove(filename)
+            except OSError:
+                pass
+
+    # XXX these ignore the dry-run flag: what to do, what to do? even if
+    # you want a dry-run build, you still need some sort of configuration
+    # info.  My inclination is to make it up to the real config command to
+    # consult 'dry_run', and assume a default (minimal) configuration if
+    # true.  The problem with trying to do it here is that you'd have to
+    # return either true or false from all the 'try' methods, neither of
+    # which is correct.
+
+    # XXX need access to the header search path and maybe default macros.
+
+    def try_cpp(self, body=None, headers=None, include_dirs=None, lang="c"):
+        """Construct a source file from 'body' (a string containing lines
+        of C/C++ code) and 'headers' (a list of header files to include)
+        and run it through the preprocessor.  Return true if the
+        preprocessor succeeded, false if there were any errors.
+        ('body' probably isn't of much use, but what the heck.)
+        """
+        from distutils.ccompiler import CompileError
+
+        self._check_compiler()
+        ok = True
+        try:
+            self._preprocess(body, headers, include_dirs, lang)
+        except CompileError:
+            ok = False
+
+        self._clean()
+        return ok
+
+    def search_cpp(self, pattern, body=None, headers=None, include_dirs=None, lang="c"):
+        """Construct a source file (just like 'try_cpp()'), run it through
+        the preprocessor, and return true if any line of the output matches
+        'pattern'.  'pattern' should either be a compiled regex object or a
+        string containing a regex.  If both 'body' and 'headers' are None,
+        preprocesses an empty file -- which can be useful to determine the
+        symbols the preprocessor and compiler set by default.
+        """
+        self._check_compiler()
+        src, out = self._preprocess(body, headers, include_dirs, lang)
+
+        if isinstance(pattern, str):
+            pattern = re.compile(pattern)
+
+        with open(out) as file:
+            match = False
+            while True:
+                line = file.readline()
+                if line == '':
+                    break
+                if pattern.search(line):
+                    match = True
+                    break
+
+        self._clean()
+        return match
+
+    def try_compile(self, body, headers=None, include_dirs=None, lang="c"):
+        """Try to compile a source file built from 'body' and 'headers'.
+        Return true on success, false otherwise.
+        """
+        from distutils.ccompiler import CompileError
+
+        self._check_compiler()
+        try:
+            self._compile(body, headers, include_dirs, lang)
+            ok = True
+        except CompileError:
+            ok = False
+
+        log.info(ok and "success!" or "failure.")
+        self._clean()
+        return ok
+
+    def try_link(
+        self,
+        body,
+        headers=None,
+        include_dirs=None,
+        libraries=None,
+        library_dirs=None,
+        lang="c",
+    ):
+        """Try to compile and link a source file, built from 'body' and
+        'headers', to executable form.  Return true on success, false
+        otherwise.
+        """
+        from distutils.ccompiler import CompileError, LinkError
+
+        self._check_compiler()
+        try:
+            self._link(body, headers, include_dirs, libraries, library_dirs, lang)
+            ok = True
+        except (CompileError, LinkError):
+            ok = False
+
+        log.info(ok and "success!" or "failure.")
+        self._clean()
+        return ok
+
+    def try_run(
+        self,
+        body,
+        headers=None,
+        include_dirs=None,
+        libraries=None,
+        library_dirs=None,
+        lang="c",
+    ):
+        """Try to compile, link to an executable, and run a program
+        built from 'body' and 'headers'.  Return true on success, false
+        otherwise.
+        """
+        from distutils.ccompiler import CompileError, LinkError
+
+        self._check_compiler()
+        try:
+            src, obj, exe = self._link(
+                body, headers, include_dirs, libraries, library_dirs, lang
+            )
+            self.spawn([exe])
+            ok = True
+        except (CompileError, LinkError, DistutilsExecError):
+            ok = False
+
+        log.info(ok and "success!" or "failure.")
+        self._clean()
+        return ok
+
+    # -- High-level methods --------------------------------------------
+    # (these are the ones that are actually likely to be useful
+    # when implementing a real-world config command!)
+
+    def check_func(
+        self,
+        func,
+        headers=None,
+        include_dirs=None,
+        libraries=None,
+        library_dirs=None,
+        decl=0,
+        call=0,
+    ):
+        """Determine if function 'func' is available by constructing a
+        source file that refers to 'func', and compiles and links it.
+        If everything succeeds, returns true; otherwise returns false.
+
+        The constructed source file starts out by including the header
+        files listed in 'headers'.  If 'decl' is true, it then declares
+        'func' (as "int func()"); you probably shouldn't supply 'headers'
+        and set 'decl' true in the same call, or you might get errors about
+        a conflicting declarations for 'func'.  Finally, the constructed
+        'main()' function either references 'func' or (if 'call' is true)
+        calls it.  'libraries' and 'library_dirs' are used when
+        linking.
+        """
+        self._check_compiler()
+        body = []
+        if decl:
+            body.append("int %s ();" % func)
+        body.append("int main () {")
+        if call:
+            body.append("  %s();" % func)
+        else:
+            body.append("  %s;" % func)
+        body.append("}")
+        body = "\n".join(body) + "\n"
+
+        return self.try_link(body, headers, include_dirs, libraries, library_dirs)
+
+    def check_lib(
+        self,
+        library,
+        library_dirs=None,
+        headers=None,
+        include_dirs=None,
+        other_libraries=[],
+    ):
+        """Determine if 'library' is available to be linked against,
+        without actually checking that any particular symbols are provided
+        by it.  'headers' will be used in constructing the source file to
+        be compiled, but the only effect of this is to check if all the
+        header files listed are available.  Any libraries listed in
+        'other_libraries' will be included in the link, in case 'library'
+        has symbols that depend on other libraries.
+        """
+        self._check_compiler()
+        return self.try_link(
+            "int main (void) { }",
+            headers,
+            include_dirs,
+            [library] + other_libraries,
+            library_dirs,
+        )
+
+    def check_header(self, header, include_dirs=None, library_dirs=None, lang="c"):
+        """Determine if the system header file named by 'header_file'
+        exists and can be found by the preprocessor; return true if so,
+        false otherwise.
+        """
+        return self.try_cpp(
+            body="/* No body */", headers=[header], include_dirs=include_dirs
+        )
+
+
+def dump_file(filename, head=None):
+    """Dumps a file content into log.info.
+
+    If head is not None, will be dumped before the file content.
+    """
+    if head is None:
+        log.info('%s', filename)
+    else:
+        log.info(head)
+    file = open(filename)
+    try:
+        log.info(file.read())
+    finally:
+        file.close()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install.py
new file mode 100644
index 00000000..a38cddcd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install.py
@@ -0,0 +1,814 @@
+"""distutils.command.install
+
+Implements the Distutils 'install' command."""
+
+import sys
+import os
+import contextlib
+import sysconfig
+import itertools
+
+from distutils import log
+from distutils.core import Command
+from distutils.debug import DEBUG
+from distutils.sysconfig import get_config_vars
+from distutils.file_util import write_file
+from distutils.util import convert_path, subst_vars, change_root
+from distutils.util import get_platform
+from distutils.errors import DistutilsOptionError, DistutilsPlatformError
+from . import _framework_compat as fw
+from .. import _collections
+
+from site import USER_BASE
+from site import USER_SITE
+
+HAS_USER_SITE = True
+
+WINDOWS_SCHEME = {
+    'purelib': '{base}/Lib/site-packages',
+    'platlib': '{base}/Lib/site-packages',
+    'headers': '{base}/Include/{dist_name}',
+    'scripts': '{base}/Scripts',
+    'data': '{base}',
+}
+
+INSTALL_SCHEMES = {
+    'posix_prefix': {
+        'purelib': '{base}/lib/{implementation_lower}{py_version_short}/site-packages',
+        'platlib': '{platbase}/{platlibdir}/{implementation_lower}'
+        '{py_version_short}/site-packages',
+        'headers': '{base}/include/{implementation_lower}'
+        '{py_version_short}{abiflags}/{dist_name}',
+        'scripts': '{base}/bin',
+        'data': '{base}',
+    },
+    'posix_home': {
+        'purelib': '{base}/lib/{implementation_lower}',
+        'platlib': '{base}/{platlibdir}/{implementation_lower}',
+        'headers': '{base}/include/{implementation_lower}/{dist_name}',
+        'scripts': '{base}/bin',
+        'data': '{base}',
+    },
+    'nt': WINDOWS_SCHEME,
+    'pypy': {
+        'purelib': '{base}/site-packages',
+        'platlib': '{base}/site-packages',
+        'headers': '{base}/include/{dist_name}',
+        'scripts': '{base}/bin',
+        'data': '{base}',
+    },
+    'pypy_nt': {
+        'purelib': '{base}/site-packages',
+        'platlib': '{base}/site-packages',
+        'headers': '{base}/include/{dist_name}',
+        'scripts': '{base}/Scripts',
+        'data': '{base}',
+    },
+}
+
+# user site schemes
+if HAS_USER_SITE:
+    INSTALL_SCHEMES['nt_user'] = {
+        'purelib': '{usersite}',
+        'platlib': '{usersite}',
+        'headers': '{userbase}/{implementation}{py_version_nodot_plat}'
+        '/Include/{dist_name}',
+        'scripts': '{userbase}/{implementation}{py_version_nodot_plat}/Scripts',
+        'data': '{userbase}',
+    }
+
+    INSTALL_SCHEMES['posix_user'] = {
+        'purelib': '{usersite}',
+        'platlib': '{usersite}',
+        'headers': '{userbase}/include/{implementation_lower}'
+        '{py_version_short}{abiflags}/{dist_name}',
+        'scripts': '{userbase}/bin',
+        'data': '{userbase}',
+    }
+
+
+INSTALL_SCHEMES.update(fw.schemes)
+
+
+# The keys to an installation scheme; if any new types of files are to be
+# installed, be sure to add an entry to every installation scheme above,
+# and to SCHEME_KEYS here.
+SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
+
+
+def _load_sysconfig_schemes():
+    with contextlib.suppress(AttributeError):
+        return {
+            scheme: sysconfig.get_paths(scheme, expand=False)
+            for scheme in sysconfig.get_scheme_names()
+        }
+
+
+def _load_schemes():
+    """
+    Extend default schemes with schemes from sysconfig.
+    """
+
+    sysconfig_schemes = _load_sysconfig_schemes() or {}
+
+    return {
+        scheme: {
+            **INSTALL_SCHEMES.get(scheme, {}),
+            **sysconfig_schemes.get(scheme, {}),
+        }
+        for scheme in set(itertools.chain(INSTALL_SCHEMES, sysconfig_schemes))
+    }
+
+
+def _get_implementation():
+    if hasattr(sys, 'pypy_version_info'):
+        return 'PyPy'
+    else:
+        return 'Python'
+
+
+def _select_scheme(ob, name):
+    scheme = _inject_headers(name, _load_scheme(_resolve_scheme(name)))
+    vars(ob).update(_remove_set(ob, _scheme_attrs(scheme)))
+
+
+def _remove_set(ob, attrs):
+    """
+    Include only attrs that are None in ob.
+    """
+    return {key: value for key, value in attrs.items() if getattr(ob, key) is None}
+
+
+def _resolve_scheme(name):
+    os_name, sep, key = name.partition('_')
+    try:
+        resolved = sysconfig.get_preferred_scheme(key)
+    except Exception:
+        resolved = fw.scheme(_pypy_hack(name))
+    return resolved
+
+
+def _load_scheme(name):
+    return _load_schemes()[name]
+
+
+def _inject_headers(name, scheme):
+    """
+    Given a scheme name and the resolved scheme,
+    if the scheme does not include headers, resolve
+    the fallback scheme for the name and use headers
+    from it. pypa/distutils#88
+    """
+    # Bypass the preferred scheme, which may not
+    # have defined headers.
+    fallback = _load_scheme(_pypy_hack(name))
+    scheme.setdefault('headers', fallback['headers'])
+    return scheme
+
+
+def _scheme_attrs(scheme):
+    """Resolve install directories by applying the install schemes."""
+    return {f'install_{key}': scheme[key] for key in SCHEME_KEYS}
+
+
+def _pypy_hack(name):
+    PY37 = sys.version_info < (3, 8)
+    old_pypy = hasattr(sys, 'pypy_version_info') and PY37
+    prefix = not name.endswith(('_user', '_home'))
+    pypy_name = 'pypy' + '_nt' * (os.name == 'nt')
+    return pypy_name if old_pypy and prefix else name
+
+
+class install(Command):
+
+    description = "install everything from build directory"
+
+    user_options = [
+        # Select installation scheme and set base director(y|ies)
+        ('prefix=', None, "installation prefix"),
+        ('exec-prefix=', None, "(Unix only) prefix for platform-specific files"),
+        ('home=', None, "(Unix only) home directory to install under"),
+        # Or, just set the base director(y|ies)
+        (
+            'install-base=',
+            None,
+            "base installation directory (instead of --prefix or --home)",
+        ),
+        (
+            'install-platbase=',
+            None,
+            "base installation directory for platform-specific files "
+            + "(instead of --exec-prefix or --home)",
+        ),
+        ('root=', None, "install everything relative to this alternate root directory"),
+        # Or, explicitly set the installation scheme
+        (
+            'install-purelib=',
+            None,
+            "installation directory for pure Python module distributions",
+        ),
+        (
+            'install-platlib=',
+            None,
+            "installation directory for non-pure module distributions",
+        ),
+        (
+            'install-lib=',
+            None,
+            "installation directory for all module distributions "
+            + "(overrides --install-purelib and --install-platlib)",
+        ),
+        ('install-headers=', None, "installation directory for C/C++ headers"),
+        ('install-scripts=', None, "installation directory for Python scripts"),
+        ('install-data=', None, "installation directory for data files"),
+        # Byte-compilation options -- see install_lib.py for details, as
+        # these are duplicated from there (but only install_lib does
+        # anything with them).
+        ('compile', 'c', "compile .py to .pyc [default]"),
+        ('no-compile', None, "don't compile .py files"),
+        (
+            'optimize=',
+            'O',
+            "also compile with optimization: -O1 for \"python -O\", "
+            "-O2 for \"python -OO\", and -O0 to disable [default: -O0]",
+        ),
+        # Miscellaneous control options
+        ('force', 'f', "force installation (overwrite any existing files)"),
+        ('skip-build', None, "skip rebuilding everything (for testing/debugging)"),
+        # Where to install documentation (eventually!)
+        # ('doc-format=', None, "format of documentation to generate"),
+        # ('install-man=', None, "directory for Unix man pages"),
+        # ('install-html=', None, "directory for HTML documentation"),
+        # ('install-info=', None, "directory for GNU info files"),
+        ('record=', None, "filename in which to record list of installed files"),
+    ]
+
+    boolean_options = ['compile', 'force', 'skip-build']
+
+    if HAS_USER_SITE:
+        user_options.append(
+            ('user', None, "install in user site-package '%s'" % USER_SITE)
+        )
+        boolean_options.append('user')
+
+    negative_opt = {'no-compile': 'compile'}
+
+    def initialize_options(self):
+        """Initializes options."""
+        # High-level options: these select both an installation base
+        # and scheme.
+        self.prefix = None
+        self.exec_prefix = None
+        self.home = None
+        self.user = 0
+
+        # These select only the installation base; it's up to the user to
+        # specify the installation scheme (currently, that means supplying
+        # the --install-{platlib,purelib,scripts,data} options).
+        self.install_base = None
+        self.install_platbase = None
+        self.root = None
+
+        # These options are the actual installation directories; if not
+        # supplied by the user, they are filled in using the installation
+        # scheme implied by prefix/exec-prefix/home and the contents of
+        # that installation scheme.
+        self.install_purelib = None  # for pure module distributions
+        self.install_platlib = None  # non-pure (dists w/ extensions)
+        self.install_headers = None  # for C/C++ headers
+        self.install_lib = None  # set to either purelib or platlib
+        self.install_scripts = None
+        self.install_data = None
+        self.install_userbase = USER_BASE
+        self.install_usersite = USER_SITE
+
+        self.compile = None
+        self.optimize = None
+
+        # Deprecated
+        # These two are for putting non-packagized distributions into their
+        # own directory and creating a .pth file if it makes sense.
+        # 'extra_path' comes from the setup file; 'install_path_file' can
+        # be turned off if it makes no sense to install a .pth file.  (But
+        # better to install it uselessly than to guess wrong and not
+        # install it when it's necessary and would be used!)  Currently,
+        # 'install_path_file' is always true unless some outsider meddles
+        # with it.
+        self.extra_path = None
+        self.install_path_file = 1
+
+        # 'force' forces installation, even if target files are not
+        # out-of-date.  'skip_build' skips running the "build" command,
+        # handy if you know it's not necessary.  'warn_dir' (which is *not*
+        # a user option, it's just there so the bdist_* commands can turn
+        # it off) determines whether we warn about installing to a
+        # directory not in sys.path.
+        self.force = 0
+        self.skip_build = 0
+        self.warn_dir = 1
+
+        # These are only here as a conduit from the 'build' command to the
+        # 'install_*' commands that do the real work.  ('build_base' isn't
+        # actually used anywhere, but it might be useful in future.)  They
+        # are not user options, because if the user told the install
+        # command where the build directory is, that wouldn't affect the
+        # build command.
+        self.build_base = None
+        self.build_lib = None
+
+        # Not defined yet because we don't know anything about
+        # documentation yet.
+        # self.install_man = None
+        # self.install_html = None
+        # self.install_info = None
+
+        self.record = None
+
+    # -- Option finalizing methods -------------------------------------
+    # (This is rather more involved than for most commands,
+    # because this is where the policy for installing third-
+    # party Python modules on various platforms given a wide
+    # array of user input is decided.  Yes, it's quite complex!)
+
+    def finalize_options(self):  # noqa: C901
+        """Finalizes options."""
+        # This method (and its helpers, like 'finalize_unix()',
+        # 'finalize_other()', and 'select_scheme()') is where the default
+        # installation directories for modules, extension modules, and
+        # anything else we care to install from a Python module
+        # distribution.  Thus, this code makes a pretty important policy
+        # statement about how third-party stuff is added to a Python
+        # installation!  Note that the actual work of installation is done
+        # by the relatively simple 'install_*' commands; they just take
+        # their orders from the installation directory options determined
+        # here.
+
+        # Check for errors/inconsistencies in the options; first, stuff
+        # that's wrong on any platform.
+
+        if (self.prefix or self.exec_prefix or self.home) and (
+            self.install_base or self.install_platbase
+        ):
+            raise DistutilsOptionError(
+                "must supply either prefix/exec-prefix/home or "
+                + "install-base/install-platbase -- not both"
+            )
+
+        if self.home and (self.prefix or self.exec_prefix):
+            raise DistutilsOptionError(
+                "must supply either home or prefix/exec-prefix -- not both"
+            )
+
+        if self.user and (
+            self.prefix
+            or self.exec_prefix
+            or self.home
+            or self.install_base
+            or self.install_platbase
+        ):
+            raise DistutilsOptionError(
+                "can't combine user with prefix, "
+                "exec_prefix/home, or install_(plat)base"
+            )
+
+        # Next, stuff that's wrong (or dubious) only on certain platforms.
+        if os.name != "posix":
+            if self.exec_prefix:
+                self.warn("exec-prefix option ignored on this platform")
+                self.exec_prefix = None
+
+        # Now the interesting logic -- so interesting that we farm it out
+        # to other methods.  The goal of these methods is to set the final
+        # values for the install_{lib,scripts,data,...}  options, using as
+        # input a heady brew of prefix, exec_prefix, home, install_base,
+        # install_platbase, user-supplied versions of
+        # install_{purelib,platlib,lib,scripts,data,...}, and the
+        # install schemes.  Phew!
+
+        self.dump_dirs("pre-finalize_{unix,other}")
+
+        if os.name == 'posix':
+            self.finalize_unix()
+        else:
+            self.finalize_other()
+
+        self.dump_dirs("post-finalize_{unix,other}()")
+
+        # Expand configuration variables, tilde, etc. in self.install_base
+        # and self.install_platbase -- that way, we can use $base or
+        # $platbase in the other installation directories and not worry
+        # about needing recursive variable expansion (shudder).
+
+        py_version = sys.version.split()[0]
+        (prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
+        try:
+            abiflags = sys.abiflags
+        except AttributeError:
+            # sys.abiflags may not be defined on all platforms.
+            abiflags = ''
+        local_vars = {
+            'dist_name': self.distribution.get_name(),
+            'dist_version': self.distribution.get_version(),
+            'dist_fullname': self.distribution.get_fullname(),
+            'py_version': py_version,
+            'py_version_short': '%d.%d' % sys.version_info[:2],
+            'py_version_nodot': '%d%d' % sys.version_info[:2],
+            'sys_prefix': prefix,
+            'prefix': prefix,
+            'sys_exec_prefix': exec_prefix,
+            'exec_prefix': exec_prefix,
+            'abiflags': abiflags,
+            'platlibdir': getattr(sys, 'platlibdir', 'lib'),
+            'implementation_lower': _get_implementation().lower(),
+            'implementation': _get_implementation(),
+        }
+
+        # vars for compatibility on older Pythons
+        compat_vars = dict(
+            # Python 3.9 and earlier
+            py_version_nodot_plat=getattr(sys, 'winver', '').replace('.', ''),
+        )
+
+        if HAS_USER_SITE:
+            local_vars['userbase'] = self.install_userbase
+            local_vars['usersite'] = self.install_usersite
+
+        self.config_vars = _collections.DictStack(
+            [fw.vars(), compat_vars, sysconfig.get_config_vars(), local_vars]
+        )
+
+        self.expand_basedirs()
+
+        self.dump_dirs("post-expand_basedirs()")
+
+        # Now define config vars for the base directories so we can expand
+        # everything else.
+        local_vars['base'] = self.install_base
+        local_vars['platbase'] = self.install_platbase
+
+        if DEBUG:
+            from pprint import pprint
+
+            print("config vars:")
+            pprint(dict(self.config_vars))
+
+        # Expand "~" and configuration variables in the installation
+        # directories.
+        self.expand_dirs()
+
+        self.dump_dirs("post-expand_dirs()")
+
+        # Create directories in the home dir:
+        if self.user:
+            self.create_home_path()
+
+        # Pick the actual directory to install all modules to: either
+        # install_purelib or install_platlib, depending on whether this
+        # module distribution is pure or not.  Of course, if the user
+        # already specified install_lib, use their selection.
+        if self.install_lib is None:
+            if self.distribution.has_ext_modules():  # has extensions: non-pure
+                self.install_lib = self.install_platlib
+            else:
+                self.install_lib = self.install_purelib
+
+        # Convert directories from Unix /-separated syntax to the local
+        # convention.
+        self.convert_paths(
+            'lib',
+            'purelib',
+            'platlib',
+            'scripts',
+            'data',
+            'headers',
+            'userbase',
+            'usersite',
+        )
+
+        # Deprecated
+        # Well, we're not actually fully completely finalized yet: we still
+        # have to deal with 'extra_path', which is the hack for allowing
+        # non-packagized module distributions (hello, Numerical Python!) to
+        # get their own directories.
+        self.handle_extra_path()
+        self.install_libbase = self.install_lib  # needed for .pth file
+        self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
+
+        # If a new root directory was supplied, make all the installation
+        # dirs relative to it.
+        if self.root is not None:
+            self.change_roots(
+                'libbase', 'lib', 'purelib', 'platlib', 'scripts', 'data', 'headers'
+            )
+
+        self.dump_dirs("after prepending root")
+
+        # Find out the build directories, ie. where to install from.
+        self.set_undefined_options(
+            'build', ('build_base', 'build_base'), ('build_lib', 'build_lib')
+        )
+
+        # Punt on doc directories for now -- after all, we're punting on
+        # documentation completely!
+
+    def dump_dirs(self, msg):
+        """Dumps the list of user options."""
+        if not DEBUG:
+            return
+        from distutils.fancy_getopt import longopt_xlate
+
+        log.debug(msg + ":")
+        for opt in self.user_options:
+            opt_name = opt[0]
+            if opt_name[-1] == "=":
+                opt_name = opt_name[0:-1]
+            if opt_name in self.negative_opt:
+                opt_name = self.negative_opt[opt_name]
+                opt_name = opt_name.translate(longopt_xlate)
+                val = not getattr(self, opt_name)
+            else:
+                opt_name = opt_name.translate(longopt_xlate)
+                val = getattr(self, opt_name)
+            log.debug("  %s: %s", opt_name, val)
+
+    def finalize_unix(self):
+        """Finalizes options for posix platforms."""
+        if self.install_base is not None or self.install_platbase is not None:
+            incomplete_scheme = (
+                (
+                    self.install_lib is None
+                    and self.install_purelib is None
+                    and self.install_platlib is None
+                )
+                or self.install_headers is None
+                or self.install_scripts is None
+                or self.install_data is None
+            )
+            if incomplete_scheme:
+                raise DistutilsOptionError(
+                    "install-base or install-platbase supplied, but "
+                    "installation scheme is incomplete"
+                )
+            return
+
+        if self.user:
+            if self.install_userbase is None:
+                raise DistutilsPlatformError("User base directory is not specified")
+            self.install_base = self.install_platbase = self.install_userbase
+            self.select_scheme("posix_user")
+        elif self.home is not None:
+            self.install_base = self.install_platbase = self.home
+            self.select_scheme("posix_home")
+        else:
+            if self.prefix is None:
+                if self.exec_prefix is not None:
+                    raise DistutilsOptionError(
+                        "must not supply exec-prefix without prefix"
+                    )
+
+                # Allow Fedora to add components to the prefix
+                _prefix_addition = getattr(sysconfig, '_prefix_addition', "")
+
+                self.prefix = os.path.normpath(sys.prefix) + _prefix_addition
+                self.exec_prefix = os.path.normpath(sys.exec_prefix) + _prefix_addition
+
+            else:
+                if self.exec_prefix is None:
+                    self.exec_prefix = self.prefix
+
+            self.install_base = self.prefix
+            self.install_platbase = self.exec_prefix
+            self.select_scheme("posix_prefix")
+
+    def finalize_other(self):
+        """Finalizes options for non-posix platforms"""
+        if self.user:
+            if self.install_userbase is None:
+                raise DistutilsPlatformError("User base directory is not specified")
+            self.install_base = self.install_platbase = self.install_userbase
+            self.select_scheme(os.name + "_user")
+        elif self.home is not None:
+            self.install_base = self.install_platbase = self.home
+            self.select_scheme("posix_home")
+        else:
+            if self.prefix is None:
+                self.prefix = os.path.normpath(sys.prefix)
+
+            self.install_base = self.install_platbase = self.prefix
+            try:
+                self.select_scheme(os.name)
+            except KeyError:
+                raise DistutilsPlatformError(
+                    "I don't know how to install stuff on '%s'" % os.name
+                )
+
+    def select_scheme(self, name):
+        _select_scheme(self, name)
+
+    def _expand_attrs(self, attrs):
+        for attr in attrs:
+            val = getattr(self, attr)
+            if val is not None:
+                if os.name == 'posix' or os.name == 'nt':
+                    val = os.path.expanduser(val)
+                val = subst_vars(val, self.config_vars)
+                setattr(self, attr, val)
+
+    def expand_basedirs(self):
+        """Calls `os.path.expanduser` on install_base, install_platbase and
+        root."""
+        self._expand_attrs(['install_base', 'install_platbase', 'root'])
+
+    def expand_dirs(self):
+        """Calls `os.path.expanduser` on install dirs."""
+        self._expand_attrs(
+            [
+                'install_purelib',
+                'install_platlib',
+                'install_lib',
+                'install_headers',
+                'install_scripts',
+                'install_data',
+            ]
+        )
+
+    def convert_paths(self, *names):
+        """Call `convert_path` over `names`."""
+        for name in names:
+            attr = "install_" + name
+            setattr(self, attr, convert_path(getattr(self, attr)))
+
+    def handle_extra_path(self):
+        """Set `path_file` and `extra_dirs` using `extra_path`."""
+        if self.extra_path is None:
+            self.extra_path = self.distribution.extra_path
+
+        if self.extra_path is not None:
+            log.warn(
+                "Distribution option extra_path is deprecated. "
+                "See issue27919 for details."
+            )
+            if isinstance(self.extra_path, str):
+                self.extra_path = self.extra_path.split(',')
+
+            if len(self.extra_path) == 1:
+                path_file = extra_dirs = self.extra_path[0]
+            elif len(self.extra_path) == 2:
+                path_file, extra_dirs = self.extra_path
+            else:
+                raise DistutilsOptionError(
+                    "'extra_path' option must be a list, tuple, or "
+                    "comma-separated string with 1 or 2 elements"
+                )
+
+            # convert to local form in case Unix notation used (as it
+            # should be in setup scripts)
+            extra_dirs = convert_path(extra_dirs)
+        else:
+            path_file = None
+            extra_dirs = ''
+
+        # XXX should we warn if path_file and not extra_dirs? (in which
+        # case the path file would be harmless but pointless)
+        self.path_file = path_file
+        self.extra_dirs = extra_dirs
+
+    def change_roots(self, *names):
+        """Change the install directories pointed by name using root."""
+        for name in names:
+            attr = "install_" + name
+            setattr(self, attr, change_root(self.root, getattr(self, attr)))
+
+    def create_home_path(self):
+        """Create directories under ~."""
+        if not self.user:
+            return
+        home = convert_path(os.path.expanduser("~"))
+        for name, path in self.config_vars.items():
+            if str(path).startswith(home) and not os.path.isdir(path):
+                self.debug_print("os.makedirs('%s', 0o700)" % path)
+                os.makedirs(path, 0o700)
+
+    # -- Command execution methods -------------------------------------
+
+    def run(self):
+        """Runs the command."""
+        # Obviously have to build before we can install
+        if not self.skip_build:
+            self.run_command('build')
+            # If we built for any other platform, we can't install.
+            build_plat = self.distribution.get_command_obj('build').plat_name
+            # check warn_dir - it is a clue that the 'install' is happening
+            # internally, and not to sys.path, so we don't check the platform
+            # matches what we are running.
+            if self.warn_dir and build_plat != get_platform():
+                raise DistutilsPlatformError("Can't install when " "cross-compiling")
+
+        # Run all sub-commands (at least those that need to be run)
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        if self.path_file:
+            self.create_path_file()
+
+        # write list of installed files, if requested.
+        if self.record:
+            outputs = self.get_outputs()
+            if self.root:  # strip any package prefix
+                root_len = len(self.root)
+                for counter in range(len(outputs)):
+                    outputs[counter] = outputs[counter][root_len:]
+            self.execute(
+                write_file,
+                (self.record, outputs),
+                "writing list of installed files to '%s'" % self.record,
+            )
+
+        sys_path = map(os.path.normpath, sys.path)
+        sys_path = map(os.path.normcase, sys_path)
+        install_lib = os.path.normcase(os.path.normpath(self.install_lib))
+        if (
+            self.warn_dir
+            and not (self.path_file and self.install_path_file)
+            and install_lib not in sys_path
+        ):
+            log.debug(
+                (
+                    "modules installed to '%s', which is not in "
+                    "Python's module search path (sys.path) -- "
+                    "you'll have to change the search path yourself"
+                ),
+                self.install_lib,
+            )
+
+    def create_path_file(self):
+        """Creates the .pth file"""
+        filename = os.path.join(self.install_libbase, self.path_file + ".pth")
+        if self.install_path_file:
+            self.execute(
+                write_file, (filename, [self.extra_dirs]), "creating %s" % filename
+            )
+        else:
+            self.warn("path file '%s' not created" % filename)
+
+    # -- Reporting methods ---------------------------------------------
+
+    def get_outputs(self):
+        """Assembles the outputs of all the sub-commands."""
+        outputs = []
+        for cmd_name in self.get_sub_commands():
+            cmd = self.get_finalized_command(cmd_name)
+            # Add the contents of cmd.get_outputs(), ensuring
+            # that outputs doesn't contain duplicate entries
+            for filename in cmd.get_outputs():
+                if filename not in outputs:
+                    outputs.append(filename)
+
+        if self.path_file and self.install_path_file:
+            outputs.append(os.path.join(self.install_libbase, self.path_file + ".pth"))
+
+        return outputs
+
+    def get_inputs(self):
+        """Returns the inputs of all the sub-commands"""
+        # XXX gee, this looks familiar ;-(
+        inputs = []
+        for cmd_name in self.get_sub_commands():
+            cmd = self.get_finalized_command(cmd_name)
+            inputs.extend(cmd.get_inputs())
+
+        return inputs
+
+    # -- Predicates for sub-command list -------------------------------
+
+    def has_lib(self):
+        """Returns true if the current distribution has any Python
+        modules to install."""
+        return (
+            self.distribution.has_pure_modules() or self.distribution.has_ext_modules()
+        )
+
+    def has_headers(self):
+        """Returns true if the current distribution has any headers to
+        install."""
+        return self.distribution.has_headers()
+
+    def has_scripts(self):
+        """Returns true if the current distribution has any scripts to.
+        install."""
+        return self.distribution.has_scripts()
+
+    def has_data(self):
+        """Returns true if the current distribution has any data to.
+        install."""
+        return self.distribution.has_data_files()
+
+    # 'sub_commands': a list of commands this command might have to run to
+    # get its work done.  See cmd.py for more info.
+    sub_commands = [
+        ('install_lib', has_lib),
+        ('install_headers', has_headers),
+        ('install_scripts', has_scripts),
+        ('install_data', has_data),
+        ('install_egg_info', lambda self: True),
+    ]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_data.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_data.py
new file mode 100644
index 00000000..23d91ade
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_data.py
@@ -0,0 +1,84 @@
+"""distutils.command.install_data
+
+Implements the Distutils 'install_data' command, for installing
+platform-independent data files."""
+
+# contributed by Bastian Kleineidam
+
+import os
+from distutils.core import Command
+from distutils.util import change_root, convert_path
+
+
+class install_data(Command):
+
+    description = "install data files"
+
+    user_options = [
+        (
+            'install-dir=',
+            'd',
+            "base directory for installing data files "
+            "(default: installation base dir)",
+        ),
+        ('root=', None, "install everything relative to this alternate root directory"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+    ]
+
+    boolean_options = ['force']
+
+    def initialize_options(self):
+        self.install_dir = None
+        self.outfiles = []
+        self.root = None
+        self.force = 0
+        self.data_files = self.distribution.data_files
+        self.warn_dir = 1
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'install',
+            ('install_data', 'install_dir'),
+            ('root', 'root'),
+            ('force', 'force'),
+        )
+
+    def run(self):
+        self.mkpath(self.install_dir)
+        for f in self.data_files:
+            if isinstance(f, str):
+                # it's a simple file, so copy it
+                f = convert_path(f)
+                if self.warn_dir:
+                    self.warn(
+                        "setup script did not provide a directory for "
+                        "'%s' -- installing right in '%s'" % (f, self.install_dir)
+                    )
+                (out, _) = self.copy_file(f, self.install_dir)
+                self.outfiles.append(out)
+            else:
+                # it's a tuple with path to install to and a list of files
+                dir = convert_path(f[0])
+                if not os.path.isabs(dir):
+                    dir = os.path.join(self.install_dir, dir)
+                elif self.root:
+                    dir = change_root(self.root, dir)
+                self.mkpath(dir)
+
+                if f[1] == []:
+                    # If there are no files listed, the user must be
+                    # trying to create an empty directory, so add the
+                    # directory to the list of output files.
+                    self.outfiles.append(dir)
+                else:
+                    # Copy files, adding them to the list of output files.
+                    for data in f[1]:
+                        data = convert_path(data)
+                        (out, _) = self.copy_file(data, dir)
+                        self.outfiles.append(out)
+
+    def get_inputs(self):
+        return self.data_files or []
+
+    def get_outputs(self):
+        return self.outfiles
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_egg_info.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_egg_info.py
new file mode 100644
index 00000000..d5e68a6e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_egg_info.py
@@ -0,0 +1,91 @@
+"""
+distutils.command.install_egg_info
+
+Implements the Distutils 'install_egg_info' command, for installing
+a package's PKG-INFO metadata.
+"""
+
+import os
+import sys
+import re
+
+from distutils.cmd import Command
+from distutils import log, dir_util
+
+
+class install_egg_info(Command):
+    """Install an .egg-info file for the package"""
+
+    description = "Install package's PKG-INFO metadata as an .egg-info file"
+    user_options = [
+        ('install-dir=', 'd', "directory to install to"),
+    ]
+
+    def initialize_options(self):
+        self.install_dir = None
+
+    @property
+    def basename(self):
+        """
+        Allow basename to be overridden by child class.
+        Ref pypa/distutils#2.
+        """
+        return "%s-%s-py%d.%d.egg-info" % (
+            to_filename(safe_name(self.distribution.get_name())),
+            to_filename(safe_version(self.distribution.get_version())),
+            *sys.version_info[:2],
+        )
+
+    def finalize_options(self):
+        self.set_undefined_options('install_lib', ('install_dir', 'install_dir'))
+        self.target = os.path.join(self.install_dir, self.basename)
+        self.outputs = [self.target]
+
+    def run(self):
+        target = self.target
+        if os.path.isdir(target) and not os.path.islink(target):
+            dir_util.remove_tree(target, dry_run=self.dry_run)
+        elif os.path.exists(target):
+            self.execute(os.unlink, (self.target,), "Removing " + target)
+        elif not os.path.isdir(self.install_dir):
+            self.execute(
+                os.makedirs, (self.install_dir,), "Creating " + self.install_dir
+            )
+        log.info("Writing %s", target)
+        if not self.dry_run:
+            with open(target, 'w', encoding='UTF-8') as f:
+                self.distribution.metadata.write_pkg_file(f)
+
+    def get_outputs(self):
+        return self.outputs
+
+
+# The following routines are taken from setuptools' pkg_resources module and
+# can be replaced by importing them from pkg_resources once it is included
+# in the stdlib.
+
+
+def safe_name(name):
+    """Convert an arbitrary string to a standard distribution name
+
+    Any runs of non-alphanumeric/. characters are replaced with a single '-'.
+    """
+    return re.sub('[^A-Za-z0-9.]+', '-', name)
+
+
+def safe_version(version):
+    """Convert an arbitrary string to a standard version string
+
+    Spaces become dots, and all other non-alphanumeric characters become
+    dashes, with runs of multiple dashes condensed to a single dash.
+    """
+    version = version.replace(' ', '.')
+    return re.sub('[^A-Za-z0-9.]+', '-', version)
+
+
+def to_filename(name):
+    """Convert a project or version name to its filename-escaped form
+
+    Any '-' characters are currently replaced with '_'.
+    """
+    return name.replace('-', '_')
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_headers.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_headers.py
new file mode 100644
index 00000000..87046ab3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_headers.py
@@ -0,0 +1,45 @@
+"""distutils.command.install_headers
+
+Implements the Distutils 'install_headers' command, to install C/C++ header
+files to the Python include directory."""
+
+from distutils.core import Command
+
+
+# XXX force is never used
+class install_headers(Command):
+
+    description = "install C/C++ header files"
+
+    user_options = [
+        ('install-dir=', 'd', "directory to install header files to"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+    ]
+
+    boolean_options = ['force']
+
+    def initialize_options(self):
+        self.install_dir = None
+        self.force = 0
+        self.outfiles = []
+
+    def finalize_options(self):
+        self.set_undefined_options(
+            'install', ('install_headers', 'install_dir'), ('force', 'force')
+        )
+
+    def run(self):
+        headers = self.distribution.headers
+        if not headers:
+            return
+
+        self.mkpath(self.install_dir)
+        for header in headers:
+            (out, _) = self.copy_file(header, self.install_dir)
+            self.outfiles.append(out)
+
+    def get_inputs(self):
+        return self.distribution.headers or []
+
+    def get_outputs(self):
+        return self.outfiles
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_lib.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_lib.py
new file mode 100644
index 00000000..ad3089c8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_lib.py
@@ -0,0 +1,238 @@
+"""distutils.command.install_lib
+
+Implements the Distutils 'install_lib' command
+(install all Python modules)."""
+
+import os
+import importlib.util
+import sys
+
+from distutils.core import Command
+from distutils.errors import DistutilsOptionError
+
+
+# Extension for Python source files.
+PYTHON_SOURCE_EXTENSION = ".py"
+
+
+class install_lib(Command):
+
+    description = "install all Python modules (extensions and pure Python)"
+
+    # The byte-compilation options are a tad confusing.  Here are the
+    # possible scenarios:
+    #   1) no compilation at all (--no-compile --no-optimize)
+    #   2) compile .pyc only (--compile --no-optimize; default)
+    #   3) compile .pyc and "opt-1" .pyc (--compile --optimize)
+    #   4) compile "opt-1" .pyc only (--no-compile --optimize)
+    #   5) compile .pyc and "opt-2" .pyc (--compile --optimize-more)
+    #   6) compile "opt-2" .pyc only (--no-compile --optimize-more)
+    #
+    # The UI for this is two options, 'compile' and 'optimize'.
+    # 'compile' is strictly boolean, and only decides whether to
+    # generate .pyc files.  'optimize' is three-way (0, 1, or 2), and
+    # decides both whether to generate .pyc files and what level of
+    # optimization to use.
+
+    user_options = [
+        ('install-dir=', 'd', "directory to install to"),
+        ('build-dir=', 'b', "build directory (where to install from)"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+        ('compile', 'c', "compile .py to .pyc [default]"),
+        ('no-compile', None, "don't compile .py files"),
+        (
+            'optimize=',
+            'O',
+            "also compile with optimization: -O1 for \"python -O\", "
+            "-O2 for \"python -OO\", and -O0 to disable [default: -O0]",
+        ),
+        ('skip-build', None, "skip the build steps"),
+    ]
+
+    boolean_options = ['force', 'compile', 'skip-build']
+    negative_opt = {'no-compile': 'compile'}
+
+    def initialize_options(self):
+        # let the 'install' command dictate our installation directory
+        self.install_dir = None
+        self.build_dir = None
+        self.force = 0
+        self.compile = None
+        self.optimize = None
+        self.skip_build = None
+
+    def finalize_options(self):
+        # Get all the information we need to install pure Python modules
+        # from the umbrella 'install' command -- build (source) directory,
+        # install (target) directory, and whether to compile .py files.
+        self.set_undefined_options(
+            'install',
+            ('build_lib', 'build_dir'),
+            ('install_lib', 'install_dir'),
+            ('force', 'force'),
+            ('compile', 'compile'),
+            ('optimize', 'optimize'),
+            ('skip_build', 'skip_build'),
+        )
+
+        if self.compile is None:
+            self.compile = True
+        if self.optimize is None:
+            self.optimize = False
+
+        if not isinstance(self.optimize, int):
+            try:
+                self.optimize = int(self.optimize)
+                if self.optimize not in (0, 1, 2):
+                    raise AssertionError
+            except (ValueError, AssertionError):
+                raise DistutilsOptionError("optimize must be 0, 1, or 2")
+
+    def run(self):
+        # Make sure we have built everything we need first
+        self.build()
+
+        # Install everything: simply dump the entire contents of the build
+        # directory to the installation directory (that's the beauty of
+        # having a build directory!)
+        outfiles = self.install()
+
+        # (Optionally) compile .py to .pyc
+        if outfiles is not None and self.distribution.has_pure_modules():
+            self.byte_compile(outfiles)
+
+    # -- Top-level worker functions ------------------------------------
+    # (called from 'run()')
+
+    def build(self):
+        if not self.skip_build:
+            if self.distribution.has_pure_modules():
+                self.run_command('build_py')
+            if self.distribution.has_ext_modules():
+                self.run_command('build_ext')
+
+    def install(self):
+        if os.path.isdir(self.build_dir):
+            outfiles = self.copy_tree(self.build_dir, self.install_dir)
+        else:
+            self.warn(
+                "'%s' does not exist -- no Python modules to install" % self.build_dir
+            )
+            return
+        return outfiles
+
+    def byte_compile(self, files):
+        if sys.dont_write_bytecode:
+            self.warn('byte-compiling is disabled, skipping.')
+            return
+
+        from distutils.util import byte_compile
+
+        # Get the "--root" directory supplied to the "install" command,
+        # and use it as a prefix to strip off the purported filename
+        # encoded in bytecode files.  This is far from complete, but it
+        # should at least generate usable bytecode in RPM distributions.
+        install_root = self.get_finalized_command('install').root
+
+        if self.compile:
+            byte_compile(
+                files,
+                optimize=0,
+                force=self.force,
+                prefix=install_root,
+                dry_run=self.dry_run,
+            )
+        if self.optimize > 0:
+            byte_compile(
+                files,
+                optimize=self.optimize,
+                force=self.force,
+                prefix=install_root,
+                verbose=self.verbose,
+                dry_run=self.dry_run,
+            )
+
+    # -- Utility methods -----------------------------------------------
+
+    def _mutate_outputs(self, has_any, build_cmd, cmd_option, output_dir):
+        if not has_any:
+            return []
+
+        build_cmd = self.get_finalized_command(build_cmd)
+        build_files = build_cmd.get_outputs()
+        build_dir = getattr(build_cmd, cmd_option)
+
+        prefix_len = len(build_dir) + len(os.sep)
+        outputs = []
+        for file in build_files:
+            outputs.append(os.path.join(output_dir, file[prefix_len:]))
+
+        return outputs
+
+    def _bytecode_filenames(self, py_filenames):
+        bytecode_files = []
+        for py_file in py_filenames:
+            # Since build_py handles package data installation, the
+            # list of outputs can contain more than just .py files.
+            # Make sure we only report bytecode for the .py files.
+            ext = os.path.splitext(os.path.normcase(py_file))[1]
+            if ext != PYTHON_SOURCE_EXTENSION:
+                continue
+            if self.compile:
+                bytecode_files.append(
+                    importlib.util.cache_from_source(py_file, optimization='')
+                )
+            if self.optimize > 0:
+                bytecode_files.append(
+                    importlib.util.cache_from_source(
+                        py_file, optimization=self.optimize
+                    )
+                )
+
+        return bytecode_files
+
+    # -- External interface --------------------------------------------
+    # (called by outsiders)
+
+    def get_outputs(self):
+        """Return the list of files that would be installed if this command
+        were actually run.  Not affected by the "dry-run" flag or whether
+        modules have actually been built yet.
+        """
+        pure_outputs = self._mutate_outputs(
+            self.distribution.has_pure_modules(),
+            'build_py',
+            'build_lib',
+            self.install_dir,
+        )
+        if self.compile:
+            bytecode_outputs = self._bytecode_filenames(pure_outputs)
+        else:
+            bytecode_outputs = []
+
+        ext_outputs = self._mutate_outputs(
+            self.distribution.has_ext_modules(),
+            'build_ext',
+            'build_lib',
+            self.install_dir,
+        )
+
+        return pure_outputs + bytecode_outputs + ext_outputs
+
+    def get_inputs(self):
+        """Get the list of files that are input to this command, ie. the
+        files that get installed as they are named in the build tree.
+        The files in this list correspond one-to-one to the output
+        filenames returned by 'get_outputs()'.
+        """
+        inputs = []
+
+        if self.distribution.has_pure_modules():
+            build_py = self.get_finalized_command('build_py')
+            inputs.extend(build_py.get_outputs())
+
+        if self.distribution.has_ext_modules():
+            build_ext = self.get_finalized_command('build_ext')
+            inputs.extend(build_ext.get_outputs())
+
+        return inputs
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_scripts.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_scripts.py
new file mode 100644
index 00000000..f09bd644
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/install_scripts.py
@@ -0,0 +1,61 @@
+"""distutils.command.install_scripts
+
+Implements the Distutils 'install_scripts' command, for installing
+Python scripts."""
+
+# contributed by Bastian Kleineidam
+
+import os
+from distutils.core import Command
+from distutils import log
+from stat import ST_MODE
+
+
+class install_scripts(Command):
+
+    description = "install scripts (Python or otherwise)"
+
+    user_options = [
+        ('install-dir=', 'd', "directory to install scripts to"),
+        ('build-dir=', 'b', "build directory (where to install from)"),
+        ('force', 'f', "force installation (overwrite existing files)"),
+        ('skip-build', None, "skip the build steps"),
+    ]
+
+    boolean_options = ['force', 'skip-build']
+
+    def initialize_options(self):
+        self.install_dir = None
+        self.force = 0
+        self.build_dir = None
+        self.skip_build = None
+
+    def finalize_options(self):
+        self.set_undefined_options('build', ('build_scripts', 'build_dir'))
+        self.set_undefined_options(
+            'install',
+            ('install_scripts', 'install_dir'),
+            ('force', 'force'),
+            ('skip_build', 'skip_build'),
+        )
+
+    def run(self):
+        if not self.skip_build:
+            self.run_command('build_scripts')
+        self.outfiles = self.copy_tree(self.build_dir, self.install_dir)
+        if os.name == 'posix':
+            # Set the executable bits (owner, group, and world) on
+            # all the scripts we just installed.
+            for file in self.get_outputs():
+                if self.dry_run:
+                    log.info("changing mode of %s", file)
+                else:
+                    mode = ((os.stat(file)[ST_MODE]) | 0o555) & 0o7777
+                    log.info("changing mode of %s to %o", file, mode)
+                    os.chmod(file, mode)
+
+    def get_inputs(self):
+        return self.distribution.scripts or []
+
+    def get_outputs(self):
+        return self.outfiles or []
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/py37compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/py37compat.py
new file mode 100644
index 00000000..aa0c0a7f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/py37compat.py
@@ -0,0 +1,31 @@
+import sys
+
+
+def _pythonlib_compat():
+    """
+    On Python 3.7 and earlier, distutils would include the Python
+    library. See pypa/distutils#9.
+    """
+    from distutils import sysconfig
+
+    if not sysconfig.get_config_var('Py_ENABLED_SHARED'):
+        return
+
+    yield 'python{}.{}{}'.format(
+        sys.hexversion >> 24,
+        (sys.hexversion >> 16) & 0xFF,
+        sysconfig.get_config_var('ABIFLAGS'),
+    )
+
+
+def compose(f1, f2):
+    return lambda *args, **kwargs: f1(f2(*args, **kwargs))
+
+
+pythonlib = (
+    compose(list, _pythonlib_compat)
+    if sys.version_info < (3, 8)
+    and sys.platform != 'darwin'
+    and sys.platform[:3] != 'aix'
+    else list
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/register.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/register.py
new file mode 100644
index 00000000..c1402650
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/register.py
@@ -0,0 +1,319 @@
+"""distutils.command.register
+
+Implements the Distutils 'register' command (register with the repository).
+"""
+
+# created 2002/10/21, Richard Jones
+
+import getpass
+import io
+import urllib.parse
+import urllib.request
+from warnings import warn
+
+from distutils.core import PyPIRCCommand
+from distutils import log
+
+
+class register(PyPIRCCommand):
+
+    description = "register the distribution with the Python package index"
+    user_options = PyPIRCCommand.user_options + [
+        ('list-classifiers', None, 'list the valid Trove classifiers'),
+        (
+            'strict',
+            None,
+            'Will stop the registering if the meta-data are not fully compliant',
+        ),
+    ]
+    boolean_options = PyPIRCCommand.boolean_options + [
+        'verify',
+        'list-classifiers',
+        'strict',
+    ]
+
+    sub_commands = [('check', lambda self: True)]
+
+    def initialize_options(self):
+        PyPIRCCommand.initialize_options(self)
+        self.list_classifiers = 0
+        self.strict = 0
+
+    def finalize_options(self):
+        PyPIRCCommand.finalize_options(self)
+        # setting options for the `check` subcommand
+        check_options = {
+            'strict': ('register', self.strict),
+            'restructuredtext': ('register', 1),
+        }
+        self.distribution.command_options['check'] = check_options
+
+    def run(self):
+        self.finalize_options()
+        self._set_config()
+
+        # Run sub commands
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        if self.dry_run:
+            self.verify_metadata()
+        elif self.list_classifiers:
+            self.classifiers()
+        else:
+            self.send_metadata()
+
+    def check_metadata(self):
+        """Deprecated API."""
+        warn(
+            "distutils.command.register.check_metadata is deprecated; "
+            "use the check command instead",
+            DeprecationWarning,
+        )
+        check = self.distribution.get_command_obj('check')
+        check.ensure_finalized()
+        check.strict = self.strict
+        check.restructuredtext = 1
+        check.run()
+
+    def _set_config(self):
+        '''Reads the configuration file and set attributes.'''
+        config = self._read_pypirc()
+        if config != {}:
+            self.username = config['username']
+            self.password = config['password']
+            self.repository = config['repository']
+            self.realm = config['realm']
+            self.has_config = True
+        else:
+            if self.repository not in ('pypi', self.DEFAULT_REPOSITORY):
+                raise ValueError('%s not found in .pypirc' % self.repository)
+            if self.repository == 'pypi':
+                self.repository = self.DEFAULT_REPOSITORY
+            self.has_config = False
+
+    def classifiers(self):
+        '''Fetch the list of classifiers from the server.'''
+        url = self.repository + '?:action=list_classifiers'
+        response = urllib.request.urlopen(url)
+        log.info(self._read_pypi_response(response))
+
+    def verify_metadata(self):
+        '''Send the metadata to the package index server to be checked.'''
+        # send the info to the server and report the result
+        (code, result) = self.post_to_server(self.build_post_data('verify'))
+        log.info('Server response (%s): %s', code, result)
+
+    def send_metadata(self):  # noqa: C901
+        '''Send the metadata to the package index server.
+
+        Well, do the following:
+        1. figure who the user is, and then
+        2. send the data as a Basic auth'ed POST.
+
+        First we try to read the username/password from $HOME/.pypirc,
+        which is a ConfigParser-formatted file with a section
+        [distutils] containing username and password entries (both
+        in clear text). Eg:
+
+            [distutils]
+            index-servers =
+                pypi
+
+            [pypi]
+            username: fred
+            password: sekrit
+
+        Otherwise, to figure who the user is, we offer the user three
+        choices:
+
+         1. use existing login,
+         2. register as a new user, or
+         3. set the password to a random string and email the user.
+
+        '''
+        # see if we can short-cut and get the username/password from the
+        # config
+        if self.has_config:
+            choice = '1'
+            username = self.username
+            password = self.password
+        else:
+            choice = 'x'
+            username = password = ''
+
+        # get the user's login info
+        choices = '1 2 3 4'.split()
+        while choice not in choices:
+            self.announce(
+                '''\
+We need to know who you are, so please choose either:
+ 1. use your existing login,
+ 2. register as a new user,
+ 3. have the server generate a new password for you (and email it to you), or
+ 4. quit
+Your selection [default 1]: ''',
+                log.INFO,
+            )
+            choice = input()
+            if not choice:
+                choice = '1'
+            elif choice not in choices:
+                print('Please choose one of the four options!')
+
+        if choice == '1':
+            # get the username and password
+            while not username:
+                username = input('Username: ')
+            while not password:
+                password = getpass.getpass('Password: ')
+
+            # set up the authentication
+            auth = urllib.request.HTTPPasswordMgr()
+            host = urllib.parse.urlparse(self.repository)[1]
+            auth.add_password(self.realm, host, username, password)
+            # send the info to the server and report the result
+            code, result = self.post_to_server(self.build_post_data('submit'), auth)
+            self.announce('Server response ({}): {}'.format(code, result), log.INFO)
+
+            # possibly save the login
+            if code == 200:
+                if self.has_config:
+                    # sharing the password in the distribution instance
+                    # so the upload command can reuse it
+                    self.distribution.password = password
+                else:
+                    self.announce(
+                        (
+                            'I can store your PyPI login so future '
+                            'submissions will be faster.'
+                        ),
+                        log.INFO,
+                    )
+                    self.announce(
+                        '(the login will be stored in %s)' % self._get_rc_file(),
+                        log.INFO,
+                    )
+                    choice = 'X'
+                    while choice.lower() not in 'yn':
+                        choice = input('Save your login (y/N)?')
+                        if not choice:
+                            choice = 'n'
+                    if choice.lower() == 'y':
+                        self._store_pypirc(username, password)
+
+        elif choice == '2':
+            data = {':action': 'user'}
+            data['name'] = data['password'] = data['email'] = ''
+            data['confirm'] = None
+            while not data['name']:
+                data['name'] = input('Username: ')
+            while data['password'] != data['confirm']:
+                while not data['password']:
+                    data['password'] = getpass.getpass('Password: ')
+                while not data['confirm']:
+                    data['confirm'] = getpass.getpass(' Confirm: ')
+                if data['password'] != data['confirm']:
+                    data['password'] = ''
+                    data['confirm'] = None
+                    print("Password and confirm don't match!")
+            while not data['email']:
+                data['email'] = input('   EMail: ')
+            code, result = self.post_to_server(data)
+            if code != 200:
+                log.info('Server response (%s): %s', code, result)
+            else:
+                log.info('You will receive an email shortly.')
+                log.info('Follow the instructions in it to ' 'complete registration.')
+        elif choice == '3':
+            data = {':action': 'password_reset'}
+            data['email'] = ''
+            while not data['email']:
+                data['email'] = input('Your email address: ')
+            code, result = self.post_to_server(data)
+            log.info('Server response (%s): %s', code, result)
+
+    def build_post_data(self, action):
+        # figure the data to send - the metadata plus some additional
+        # information used by the package server
+        meta = self.distribution.metadata
+        data = {
+            ':action': action,
+            'metadata_version': '1.0',
+            'name': meta.get_name(),
+            'version': meta.get_version(),
+            'summary': meta.get_description(),
+            'home_page': meta.get_url(),
+            'author': meta.get_contact(),
+            'author_email': meta.get_contact_email(),
+            'license': meta.get_licence(),
+            'description': meta.get_long_description(),
+            'keywords': meta.get_keywords(),
+            'platform': meta.get_platforms(),
+            'classifiers': meta.get_classifiers(),
+            'download_url': meta.get_download_url(),
+            # PEP 314
+            'provides': meta.get_provides(),
+            'requires': meta.get_requires(),
+            'obsoletes': meta.get_obsoletes(),
+        }
+        if data['provides'] or data['requires'] or data['obsoletes']:
+            data['metadata_version'] = '1.1'
+        return data
+
+    def post_to_server(self, data, auth=None):  # noqa: C901
+        '''Post a query to the server, and return a string response.'''
+        if 'name' in data:
+            self.announce(
+                'Registering {} to {}'.format(data['name'], self.repository), log.INFO
+            )
+        # Build up the MIME payload for the urllib2 POST data
+        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
+        sep_boundary = '\n--' + boundary
+        end_boundary = sep_boundary + '--'
+        body = io.StringIO()
+        for key, value in data.items():
+            # handle multiple entries for the same name
+            if type(value) not in (type([]), type(())):
+                value = [value]
+            for value in value:
+                value = str(value)
+                body.write(sep_boundary)
+                body.write('\nContent-Disposition: form-data; name="%s"' % key)
+                body.write("\n\n")
+                body.write(value)
+                if value and value[-1] == '\r':
+                    body.write('\n')  # write an extra newline (lurve Macs)
+        body.write(end_boundary)
+        body.write("\n")
+        body = body.getvalue().encode("utf-8")
+
+        # build the Request
+        headers = {
+            'Content-type': 'multipart/form-data; boundary=%s; charset=utf-8'
+            % boundary,
+            'Content-length': str(len(body)),
+        }
+        req = urllib.request.Request(self.repository, body, headers)
+
+        # handle HTTP and include the Basic Auth handler
+        opener = urllib.request.build_opener(
+            urllib.request.HTTPBasicAuthHandler(password_mgr=auth)
+        )
+        data = ''
+        try:
+            result = opener.open(req)
+        except urllib.error.HTTPError as e:
+            if self.show_response:
+                data = e.fp.read()
+            result = e.code, e.msg
+        except urllib.error.URLError as e:
+            result = 500, str(e)
+        else:
+            if self.show_response:
+                data = self._read_pypi_response(result)
+            result = 200, 'OK'
+        if self.show_response:
+            msg = '\n'.join(('-' * 75, data, '-' * 75))
+            self.announce(msg, log.INFO)
+        return result
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/sdist.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/sdist.py
new file mode 100644
index 00000000..d6e9489d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/sdist.py
@@ -0,0 +1,531 @@
+"""distutils.command.sdist
+
+Implements the Distutils 'sdist' command (create a source distribution)."""
+
+import os
+import sys
+from glob import glob
+from warnings import warn
+
+from distutils.core import Command
+from distutils import dir_util
+from distutils import file_util
+from distutils import archive_util
+from distutils.text_file import TextFile
+from distutils.filelist import FileList
+from distutils import log
+from distutils.util import convert_path
+from distutils.errors import DistutilsOptionError, DistutilsTemplateError
+
+
+def show_formats():
+    """Print all possible values for the 'formats' option (used by
+    the "--help-formats" command-line option).
+    """
+    from distutils.fancy_getopt import FancyGetopt
+    from distutils.archive_util import ARCHIVE_FORMATS
+
+    formats = []
+    for format in ARCHIVE_FORMATS.keys():
+        formats.append(("formats=" + format, None, ARCHIVE_FORMATS[format][2]))
+    formats.sort()
+    FancyGetopt(formats).print_help("List of available source distribution formats:")
+
+
+class sdist(Command):
+
+    description = "create a source distribution (tarball, zip file, etc.)"
+
+    def checking_metadata(self):
+        """Callable used for the check sub-command.
+
+        Placed here so user_options can view it"""
+        return self.metadata_check
+
+    user_options = [
+        ('template=', 't', "name of manifest template file [default: MANIFEST.in]"),
+        ('manifest=', 'm', "name of manifest file [default: MANIFEST]"),
+        (
+            'use-defaults',
+            None,
+            "include the default file set in the manifest "
+            "[default; disable with --no-defaults]",
+        ),
+        ('no-defaults', None, "don't include the default file set"),
+        (
+            'prune',
+            None,
+            "specifically exclude files/directories that should not be "
+            "distributed (build tree, RCS/CVS dirs, etc.) "
+            "[default; disable with --no-prune]",
+        ),
+        ('no-prune', None, "don't automatically exclude anything"),
+        (
+            'manifest-only',
+            'o',
+            "just regenerate the manifest and then stop " "(implies --force-manifest)",
+        ),
+        (
+            'force-manifest',
+            'f',
+            "forcibly regenerate the manifest and carry on as usual. "
+            "Deprecated: now the manifest is always regenerated.",
+        ),
+        ('formats=', None, "formats for source distribution (comma-separated list)"),
+        (
+            'keep-temp',
+            'k',
+            "keep the distribution tree around after creating " + "archive file(s)",
+        ),
+        (
+            'dist-dir=',
+            'd',
+            "directory to put the source distribution archive(s) in " "[default: dist]",
+        ),
+        (
+            'metadata-check',
+            None,
+            "Ensure that all required elements of meta-data "
+            "are supplied. Warn if any missing. [default]",
+        ),
+        (
+            'owner=',
+            'u',
+            "Owner name used when creating a tar file [default: current user]",
+        ),
+        (
+            'group=',
+            'g',
+            "Group name used when creating a tar file [default: current group]",
+        ),
+    ]
+
+    boolean_options = [
+        'use-defaults',
+        'prune',
+        'manifest-only',
+        'force-manifest',
+        'keep-temp',
+        'metadata-check',
+    ]
+
+    help_options = [
+        ('help-formats', None, "list available distribution formats", show_formats),
+    ]
+
+    negative_opt = {'no-defaults': 'use-defaults', 'no-prune': 'prune'}
+
+    sub_commands = [('check', checking_metadata)]
+
+    READMES = ('README', 'README.txt', 'README.rst')
+
+    def initialize_options(self):
+        # 'template' and 'manifest' are, respectively, the names of
+        # the manifest template and manifest file.
+        self.template = None
+        self.manifest = None
+
+        # 'use_defaults': if true, we will include the default file set
+        # in the manifest
+        self.use_defaults = 1
+        self.prune = 1
+
+        self.manifest_only = 0
+        self.force_manifest = 0
+
+        self.formats = ['gztar']
+        self.keep_temp = 0
+        self.dist_dir = None
+
+        self.archive_files = None
+        self.metadata_check = 1
+        self.owner = None
+        self.group = None
+
+    def finalize_options(self):
+        if self.manifest is None:
+            self.manifest = "MANIFEST"
+        if self.template is None:
+            self.template = "MANIFEST.in"
+
+        self.ensure_string_list('formats')
+
+        bad_format = archive_util.check_archive_formats(self.formats)
+        if bad_format:
+            raise DistutilsOptionError("unknown archive format '%s'" % bad_format)
+
+        if self.dist_dir is None:
+            self.dist_dir = "dist"
+
+    def run(self):
+        # 'filelist' contains the list of files that will make up the
+        # manifest
+        self.filelist = FileList()
+
+        # Run sub commands
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        # Do whatever it takes to get the list of files to process
+        # (process the manifest template, read an existing manifest,
+        # whatever).  File list is accumulated in 'self.filelist'.
+        self.get_file_list()
+
+        # If user just wanted us to regenerate the manifest, stop now.
+        if self.manifest_only:
+            return
+
+        # Otherwise, go ahead and create the source distribution tarball,
+        # or zipfile, or whatever.
+        self.make_distribution()
+
+    def check_metadata(self):
+        """Deprecated API."""
+        warn(
+            "distutils.command.sdist.check_metadata is deprecated, \
+              use the check command instead",
+            PendingDeprecationWarning,
+        )
+        check = self.distribution.get_command_obj('check')
+        check.ensure_finalized()
+        check.run()
+
+    def get_file_list(self):
+        """Figure out the list of files to include in the source
+        distribution, and put it in 'self.filelist'.  This might involve
+        reading the manifest template (and writing the manifest), or just
+        reading the manifest, or just using the default file set -- it all
+        depends on the user's options.
+        """
+        # new behavior when using a template:
+        # the file list is recalculated every time because
+        # even if MANIFEST.in or setup.py are not changed
+        # the user might have added some files in the tree that
+        # need to be included.
+        #
+        #  This makes --force the default and only behavior with templates.
+        template_exists = os.path.isfile(self.template)
+        if not template_exists and self._manifest_is_not_generated():
+            self.read_manifest()
+            self.filelist.sort()
+            self.filelist.remove_duplicates()
+            return
+
+        if not template_exists:
+            self.warn(
+                ("manifest template '%s' does not exist " + "(using default file list)")
+                % self.template
+            )
+        self.filelist.findall()
+
+        if self.use_defaults:
+            self.add_defaults()
+
+        if template_exists:
+            self.read_template()
+
+        if self.prune:
+            self.prune_file_list()
+
+        self.filelist.sort()
+        self.filelist.remove_duplicates()
+        self.write_manifest()
+
+    def add_defaults(self):
+        """Add all the default files to self.filelist:
+          - README or README.txt
+          - setup.py
+          - test/test*.py
+          - all pure Python modules mentioned in setup script
+          - all files pointed by package_data (build_py)
+          - all files defined in data_files.
+          - all files defined as scripts.
+          - all C sources listed as part of extensions or C libraries
+            in the setup script (doesn't catch C headers!)
+        Warns if (README or README.txt) or setup.py are missing; everything
+        else is optional.
+        """
+        self._add_defaults_standards()
+        self._add_defaults_optional()
+        self._add_defaults_python()
+        self._add_defaults_data_files()
+        self._add_defaults_ext()
+        self._add_defaults_c_libs()
+        self._add_defaults_scripts()
+
+    @staticmethod
+    def _cs_path_exists(fspath):
+        """
+        Case-sensitive path existence check
+
+        >>> sdist._cs_path_exists(__file__)
+        True
+        >>> sdist._cs_path_exists(__file__.upper())
+        False
+        """
+        if not os.path.exists(fspath):
+            return False
+        # make absolute so we always have a directory
+        abspath = os.path.abspath(fspath)
+        directory, filename = os.path.split(abspath)
+        return filename in os.listdir(directory)
+
+    def _add_defaults_standards(self):
+        standards = [self.READMES, self.distribution.script_name]
+        for fn in standards:
+            if isinstance(fn, tuple):
+                alts = fn
+                got_it = False
+                for fn in alts:
+                    if self._cs_path_exists(fn):
+                        got_it = True
+                        self.filelist.append(fn)
+                        break
+
+                if not got_it:
+                    self.warn(
+                        "standard file not found: should have one of " + ', '.join(alts)
+                    )
+            else:
+                if self._cs_path_exists(fn):
+                    self.filelist.append(fn)
+                else:
+                    self.warn("standard file '%s' not found" % fn)
+
+    def _add_defaults_optional(self):
+        optional = ['test/test*.py', 'setup.cfg']
+        for pattern in optional:
+            files = filter(os.path.isfile, glob(pattern))
+            self.filelist.extend(files)
+
+    def _add_defaults_python(self):
+        # build_py is used to get:
+        #  - python modules
+        #  - files defined in package_data
+        build_py = self.get_finalized_command('build_py')
+
+        # getting python files
+        if self.distribution.has_pure_modules():
+            self.filelist.extend(build_py.get_source_files())
+
+        # getting package_data files
+        # (computed in build_py.data_files by build_py.finalize_options)
+        for pkg, src_dir, build_dir, filenames in build_py.data_files:
+            for filename in filenames:
+                self.filelist.append(os.path.join(src_dir, filename))
+
+    def _add_defaults_data_files(self):
+        # getting distribution.data_files
+        if self.distribution.has_data_files():
+            for item in self.distribution.data_files:
+                if isinstance(item, str):
+                    # plain file
+                    item = convert_path(item)
+                    if os.path.isfile(item):
+                        self.filelist.append(item)
+                else:
+                    # a (dirname, filenames) tuple
+                    dirname, filenames = item
+                    for f in filenames:
+                        f = convert_path(f)
+                        if os.path.isfile(f):
+                            self.filelist.append(f)
+
+    def _add_defaults_ext(self):
+        if self.distribution.has_ext_modules():
+            build_ext = self.get_finalized_command('build_ext')
+            self.filelist.extend(build_ext.get_source_files())
+
+    def _add_defaults_c_libs(self):
+        if self.distribution.has_c_libraries():
+            build_clib = self.get_finalized_command('build_clib')
+            self.filelist.extend(build_clib.get_source_files())
+
+    def _add_defaults_scripts(self):
+        if self.distribution.has_scripts():
+            build_scripts = self.get_finalized_command('build_scripts')
+            self.filelist.extend(build_scripts.get_source_files())
+
+    def read_template(self):
+        """Read and parse manifest template file named by self.template.
+
+        (usually "MANIFEST.in") The parsing and processing is done by
+        'self.filelist', which updates itself accordingly.
+        """
+        log.info("reading manifest template '%s'", self.template)
+        template = TextFile(
+            self.template,
+            strip_comments=1,
+            skip_blanks=1,
+            join_lines=1,
+            lstrip_ws=1,
+            rstrip_ws=1,
+            collapse_join=1,
+        )
+
+        try:
+            while True:
+                line = template.readline()
+                if line is None:  # end of file
+                    break
+
+                try:
+                    self.filelist.process_template_line(line)
+                # the call above can raise a DistutilsTemplateError for
+                # malformed lines, or a ValueError from the lower-level
+                # convert_path function
+                except (DistutilsTemplateError, ValueError) as msg:
+                    self.warn(
+                        "%s, line %d: %s"
+                        % (template.filename, template.current_line, msg)
+                    )
+        finally:
+            template.close()
+
+    def prune_file_list(self):
+        """Prune off branches that might slip into the file list as created
+        by 'read_template()', but really don't belong there:
+          * the build tree (typically "build")
+          * the release tree itself (only an issue if we ran "sdist"
+            previously with --keep-temp, or it aborted)
+          * any RCS, CVS, .svn, .hg, .git, .bzr, _darcs directories
+        """
+        build = self.get_finalized_command('build')
+        base_dir = self.distribution.get_fullname()
+
+        self.filelist.exclude_pattern(None, prefix=build.build_base)
+        self.filelist.exclude_pattern(None, prefix=base_dir)
+
+        if sys.platform == 'win32':
+            seps = r'/|\\'
+        else:
+            seps = '/'
+
+        vcs_dirs = ['RCS', 'CVS', r'\.svn', r'\.hg', r'\.git', r'\.bzr', '_darcs']
+        vcs_ptrn = r'(^|{})({})({}).*'.format(seps, '|'.join(vcs_dirs), seps)
+        self.filelist.exclude_pattern(vcs_ptrn, is_regex=1)
+
+    def write_manifest(self):
+        """Write the file list in 'self.filelist' (presumably as filled in
+        by 'add_defaults()' and 'read_template()') to the manifest file
+        named by 'self.manifest'.
+        """
+        if self._manifest_is_not_generated():
+            log.info(
+                "not writing to manually maintained "
+                "manifest file '%s'" % self.manifest
+            )
+            return
+
+        content = self.filelist.files[:]
+        content.insert(0, '# file GENERATED by distutils, do NOT edit')
+        self.execute(
+            file_util.write_file,
+            (self.manifest, content),
+            "writing manifest file '%s'" % self.manifest,
+        )
+
+    def _manifest_is_not_generated(self):
+        # check for special comment used in 3.1.3 and higher
+        if not os.path.isfile(self.manifest):
+            return False
+
+        fp = open(self.manifest)
+        try:
+            first_line = fp.readline()
+        finally:
+            fp.close()
+        return first_line != '# file GENERATED by distutils, do NOT edit\n'
+
+    def read_manifest(self):
+        """Read the manifest file (named by 'self.manifest') and use it to
+        fill in 'self.filelist', the list of files to include in the source
+        distribution.
+        """
+        log.info("reading manifest file '%s'", self.manifest)
+        with open(self.manifest) as manifest:
+            for line in manifest:
+                # ignore comments and blank lines
+                line = line.strip()
+                if line.startswith('#') or not line:
+                    continue
+                self.filelist.append(line)
+
+    def make_release_tree(self, base_dir, files):
+        """Create the directory tree that will become the source
+        distribution archive.  All directories implied by the filenames in
+        'files' are created under 'base_dir', and then we hard link or copy
+        (if hard linking is unavailable) those files into place.
+        Essentially, this duplicates the developer's source tree, but in a
+        directory named after the distribution, containing only the files
+        to be distributed.
+        """
+        # Create all the directories under 'base_dir' necessary to
+        # put 'files' there; the 'mkpath()' is just so we don't die
+        # if the manifest happens to be empty.
+        self.mkpath(base_dir)
+        dir_util.create_tree(base_dir, files, dry_run=self.dry_run)
+
+        # And walk over the list of files, either making a hard link (if
+        # os.link exists) to each one that doesn't already exist in its
+        # corresponding location under 'base_dir', or copying each file
+        # that's out-of-date in 'base_dir'.  (Usually, all files will be
+        # out-of-date, because by default we blow away 'base_dir' when
+        # we're done making the distribution archives.)
+
+        if hasattr(os, 'link'):  # can make hard links on this system
+            link = 'hard'
+            msg = "making hard links in %s..." % base_dir
+        else:  # nope, have to copy
+            link = None
+            msg = "copying files to %s..." % base_dir
+
+        if not files:
+            log.warn("no files to distribute -- empty manifest?")
+        else:
+            log.info(msg)
+        for file in files:
+            if not os.path.isfile(file):
+                log.warn("'%s' not a regular file -- skipping", file)
+            else:
+                dest = os.path.join(base_dir, file)
+                self.copy_file(file, dest, link=link)
+
+        self.distribution.metadata.write_pkg_info(base_dir)
+
+    def make_distribution(self):
+        """Create the source distribution(s).  First, we create the release
+        tree with 'make_release_tree()'; then, we create all required
+        archive files (according to 'self.formats') from the release tree.
+        Finally, we clean up by blowing away the release tree (unless
+        'self.keep_temp' is true).  The list of archive files created is
+        stored so it can be retrieved later by 'get_archive_files()'.
+        """
+        # Don't warn about missing meta-data here -- should be (and is!)
+        # done elsewhere.
+        base_dir = self.distribution.get_fullname()
+        base_name = os.path.join(self.dist_dir, base_dir)
+
+        self.make_release_tree(base_dir, self.filelist.files)
+        archive_files = []  # remember names of files we create
+        # tar archive must be created last to avoid overwrite and remove
+        if 'tar' in self.formats:
+            self.formats.append(self.formats.pop(self.formats.index('tar')))
+
+        for fmt in self.formats:
+            file = self.make_archive(
+                base_name, fmt, base_dir=base_dir, owner=self.owner, group=self.group
+            )
+            archive_files.append(file)
+            self.distribution.dist_files.append(('sdist', '', file))
+
+        self.archive_files = archive_files
+
+        if not self.keep_temp:
+            dir_util.remove_tree(base_dir, dry_run=self.dry_run)
+
+    def get_archive_files(self):
+        """Return the list of archive files created when the command
+        was run, or None if the command hasn't run yet.
+        """
+        return self.archive_files
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/upload.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/upload.py
new file mode 100644
index 00000000..6af53943
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/command/upload.py
@@ -0,0 +1,205 @@
+"""
+distutils.command.upload
+
+Implements the Distutils 'upload' subcommand (upload package to a package
+index).
+"""
+
+import os
+import io
+import hashlib
+from base64 import standard_b64encode
+from urllib.request import urlopen, Request, HTTPError
+from urllib.parse import urlparse
+from distutils.errors import DistutilsError, DistutilsOptionError
+from distutils.core import PyPIRCCommand
+from distutils.spawn import spawn
+from distutils import log
+
+
+# PyPI Warehouse supports MD5, SHA256, and Blake2 (blake2-256)
+# https://bugs.python.org/issue40698
+_FILE_CONTENT_DIGESTS = {
+    "md5_digest": getattr(hashlib, "md5", None),
+    "sha256_digest": getattr(hashlib, "sha256", None),
+    "blake2_256_digest": getattr(hashlib, "blake2b", None),
+}
+
+
+class upload(PyPIRCCommand):
+
+    description = "upload binary package to PyPI"
+
+    user_options = PyPIRCCommand.user_options + [
+        ('sign', 's', 'sign files to upload using gpg'),
+        ('identity=', 'i', 'GPG identity used to sign files'),
+    ]
+
+    boolean_options = PyPIRCCommand.boolean_options + ['sign']
+
+    def initialize_options(self):
+        PyPIRCCommand.initialize_options(self)
+        self.username = ''
+        self.password = ''
+        self.show_response = 0
+        self.sign = False
+        self.identity = None
+
+    def finalize_options(self):
+        PyPIRCCommand.finalize_options(self)
+        if self.identity and not self.sign:
+            raise DistutilsOptionError("Must use --sign for --identity to have meaning")
+        config = self._read_pypirc()
+        if config != {}:
+            self.username = config['username']
+            self.password = config['password']
+            self.repository = config['repository']
+            self.realm = config['realm']
+
+        # getting the password from the distribution
+        # if previously set by the register command
+        if not self.password and self.distribution.password:
+            self.password = self.distribution.password
+
+    def run(self):
+        if not self.distribution.dist_files:
+            msg = (
+                "Must create and upload files in one command "
+                "(e.g. setup.py sdist upload)"
+            )
+            raise DistutilsOptionError(msg)
+        for command, pyversion, filename in self.distribution.dist_files:
+            self.upload_file(command, pyversion, filename)
+
+    def upload_file(self, command, pyversion, filename):  # noqa: C901
+        # Makes sure the repository URL is compliant
+        schema, netloc, url, params, query, fragments = urlparse(self.repository)
+        if params or query or fragments:
+            raise AssertionError("Incompatible url %s" % self.repository)
+
+        if schema not in ('http', 'https'):
+            raise AssertionError("unsupported schema " + schema)
+
+        # Sign if requested
+        if self.sign:
+            gpg_args = ["gpg", "--detach-sign", "-a", filename]
+            if self.identity:
+                gpg_args[2:2] = ["--local-user", self.identity]
+            spawn(gpg_args, dry_run=self.dry_run)
+
+        # Fill in the data - send all the meta-data in case we need to
+        # register a new release
+        f = open(filename, 'rb')
+        try:
+            content = f.read()
+        finally:
+            f.close()
+
+        meta = self.distribution.metadata
+        data = {
+            # action
+            ':action': 'file_upload',
+            'protocol_version': '1',
+            # identify release
+            'name': meta.get_name(),
+            'version': meta.get_version(),
+            # file content
+            'content': (os.path.basename(filename), content),
+            'filetype': command,
+            'pyversion': pyversion,
+            # additional meta-data
+            'metadata_version': '1.0',
+            'summary': meta.get_description(),
+            'home_page': meta.get_url(),
+            'author': meta.get_contact(),
+            'author_email': meta.get_contact_email(),
+            'license': meta.get_licence(),
+            'description': meta.get_long_description(),
+            'keywords': meta.get_keywords(),
+            'platform': meta.get_platforms(),
+            'classifiers': meta.get_classifiers(),
+            'download_url': meta.get_download_url(),
+            # PEP 314
+            'provides': meta.get_provides(),
+            'requires': meta.get_requires(),
+            'obsoletes': meta.get_obsoletes(),
+        }
+
+        data['comment'] = ''
+
+        # file content digests
+        for digest_name, digest_cons in _FILE_CONTENT_DIGESTS.items():
+            if digest_cons is None:
+                continue
+            try:
+                data[digest_name] = digest_cons(content).hexdigest()
+            except ValueError:
+                # hash digest not available or blocked by security policy
+                pass
+
+        if self.sign:
+            with open(filename + ".asc", "rb") as f:
+                data['gpg_signature'] = (os.path.basename(filename) + ".asc", f.read())
+
+        # set up the authentication
+        user_pass = (self.username + ":" + self.password).encode('ascii')
+        # The exact encoding of the authentication string is debated.
+        # Anyway PyPI only accepts ascii for both username or password.
+        auth = "Basic " + standard_b64encode(user_pass).decode('ascii')
+
+        # Build up the MIME payload for the POST data
+        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
+        sep_boundary = b'\r\n--' + boundary.encode('ascii')
+        end_boundary = sep_boundary + b'--\r\n'
+        body = io.BytesIO()
+        for key, value in data.items():
+            title = '\r\nContent-Disposition: form-data; name="%s"' % key
+            # handle multiple entries for the same name
+            if not isinstance(value, list):
+                value = [value]
+            for value in value:
+                if type(value) is tuple:
+                    title += '; filename="%s"' % value[0]
+                    value = value[1]
+                else:
+                    value = str(value).encode('utf-8')
+                body.write(sep_boundary)
+                body.write(title.encode('utf-8'))
+                body.write(b"\r\n\r\n")
+                body.write(value)
+        body.write(end_boundary)
+        body = body.getvalue()
+
+        msg = "Submitting {} to {}".format(filename, self.repository)
+        self.announce(msg, log.INFO)
+
+        # build the Request
+        headers = {
+            'Content-type': 'multipart/form-data; boundary=%s' % boundary,
+            'Content-length': str(len(body)),
+            'Authorization': auth,
+        }
+
+        request = Request(self.repository, data=body, headers=headers)
+        # send the data
+        try:
+            result = urlopen(request)
+            status = result.getcode()
+            reason = result.msg
+        except HTTPError as e:
+            status = e.code
+            reason = e.msg
+        except OSError as e:
+            self.announce(str(e), log.ERROR)
+            raise
+
+        if status == 200:
+            self.announce('Server response ({}): {}'.format(status, reason), log.INFO)
+            if self.show_response:
+                text = self._read_pypi_response(result)
+                msg = '\n'.join(('-' * 75, text, '-' * 75))
+                self.announce(msg, log.INFO)
+        else:
+            msg = 'Upload failed ({}): {}'.format(status, reason)
+            self.announce(msg, log.ERROR)
+            raise DistutilsError(msg)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/config.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/config.py
new file mode 100644
index 00000000..6e0c3a71
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/config.py
@@ -0,0 +1,139 @@
+"""distutils.pypirc
+
+Provides the PyPIRCCommand class, the base class for the command classes
+that uses .pypirc in the distutils.command package.
+"""
+import os
+from configparser import RawConfigParser
+
+from distutils.cmd import Command
+
+DEFAULT_PYPIRC = """\
+[distutils]
+index-servers =
+    pypi
+
+[pypi]
+username:%s
+password:%s
+"""
+
+
+class PyPIRCCommand(Command):
+    """Base command that knows how to handle the .pypirc file"""
+
+    DEFAULT_REPOSITORY = 'https://upload.pypi.org/legacy/'
+    DEFAULT_REALM = 'pypi'
+    repository = None
+    realm = None
+
+    user_options = [
+        ('repository=', 'r', "url of repository [default: %s]" % DEFAULT_REPOSITORY),
+        ('show-response', None, 'display full response text from server'),
+    ]
+
+    boolean_options = ['show-response']
+
+    def _get_rc_file(self):
+        """Returns rc file path."""
+        return os.path.join(os.path.expanduser('~'), '.pypirc')
+
+    def _store_pypirc(self, username, password):
+        """Creates a default .pypirc file."""
+        rc = self._get_rc_file()
+        with os.fdopen(os.open(rc, os.O_CREAT | os.O_WRONLY, 0o600), 'w') as f:
+            f.write(DEFAULT_PYPIRC % (username, password))
+
+    def _read_pypirc(self):  # noqa: C901
+        """Reads the .pypirc file."""
+        rc = self._get_rc_file()
+        if os.path.exists(rc):
+            self.announce('Using PyPI login from %s' % rc)
+            repository = self.repository or self.DEFAULT_REPOSITORY
+
+            config = RawConfigParser()
+            config.read(rc)
+            sections = config.sections()
+            if 'distutils' in sections:
+                # let's get the list of servers
+                index_servers = config.get('distutils', 'index-servers')
+                _servers = [
+                    server.strip()
+                    for server in index_servers.split('\n')
+                    if server.strip() != ''
+                ]
+                if _servers == []:
+                    # nothing set, let's try to get the default pypi
+                    if 'pypi' in sections:
+                        _servers = ['pypi']
+                    else:
+                        # the file is not properly defined, returning
+                        # an empty dict
+                        return {}
+                for server in _servers:
+                    current = {'server': server}
+                    current['username'] = config.get(server, 'username')
+
+                    # optional params
+                    for key, default in (
+                        ('repository', self.DEFAULT_REPOSITORY),
+                        ('realm', self.DEFAULT_REALM),
+                        ('password', None),
+                    ):
+                        if config.has_option(server, key):
+                            current[key] = config.get(server, key)
+                        else:
+                            current[key] = default
+
+                    # work around people having "repository" for the "pypi"
+                    # section of their config set to the HTTP (rather than
+                    # HTTPS) URL
+                    if server == 'pypi' and repository in (
+                        self.DEFAULT_REPOSITORY,
+                        'pypi',
+                    ):
+                        current['repository'] = self.DEFAULT_REPOSITORY
+                        return current
+
+                    if (
+                        current['server'] == repository
+                        or current['repository'] == repository
+                    ):
+                        return current
+            elif 'server-login' in sections:
+                # old format
+                server = 'server-login'
+                if config.has_option(server, 'repository'):
+                    repository = config.get(server, 'repository')
+                else:
+                    repository = self.DEFAULT_REPOSITORY
+                return {
+                    'username': config.get(server, 'username'),
+                    'password': config.get(server, 'password'),
+                    'repository': repository,
+                    'server': server,
+                    'realm': self.DEFAULT_REALM,
+                }
+
+        return {}
+
+    def _read_pypi_response(self, response):
+        """Read and decode a PyPI HTTP response."""
+        import cgi
+
+        content_type = response.getheader('content-type', 'text/plain')
+        encoding = cgi.parse_header(content_type)[1].get('charset', 'ascii')
+        return response.read().decode(encoding)
+
+    def initialize_options(self):
+        """Initialize options."""
+        self.repository = None
+        self.realm = None
+        self.show_response = 0
+
+    def finalize_options(self):
+        """Finalizes options."""
+        if self.repository is None:
+            self.repository = self.DEFAULT_REPOSITORY
+        if self.realm is None:
+            self.realm = self.DEFAULT_REALM
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/core.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/core.py
new file mode 100644
index 00000000..de13978f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/core.py
@@ -0,0 +1,291 @@
+"""distutils.core
+
+The only module that needs to be imported to use the Distutils; provides
+the 'setup' function (which is to be called from the setup script).  Also
+indirectly provides the Distribution and Command classes, although they are
+really defined in distutils.dist and distutils.cmd.
+"""
+
+import os
+import sys
+import tokenize
+
+from distutils.debug import DEBUG
+from distutils.errors import (
+    DistutilsSetupError,
+    DistutilsError,
+    CCompilerError,
+    DistutilsArgError,
+)
+
+# Mainly import these so setup scripts can "from distutils.core import" them.
+from distutils.dist import Distribution
+from distutils.cmd import Command
+from distutils.config import PyPIRCCommand
+from distutils.extension import Extension
+
+
+__all__ = ['Distribution', 'Command', 'PyPIRCCommand', 'Extension', 'setup']
+
+# This is a barebones help message generated displayed when the user
+# runs the setup script with no arguments at all.  More useful help
+# is generated with various --help options: global help, list commands,
+# and per-command help.
+USAGE = """\
+usage: %(script)s [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
+   or: %(script)s --help [cmd1 cmd2 ...]
+   or: %(script)s --help-commands
+   or: %(script)s cmd --help
+"""
+
+
+def gen_usage(script_name):
+    script = os.path.basename(script_name)
+    return USAGE % locals()
+
+
+# Some mild magic to control the behaviour of 'setup()' from 'run_setup()'.
+_setup_stop_after = None
+_setup_distribution = None
+
+# Legal keyword arguments for the setup() function
+setup_keywords = (
+    'distclass',
+    'script_name',
+    'script_args',
+    'options',
+    'name',
+    'version',
+    'author',
+    'author_email',
+    'maintainer',
+    'maintainer_email',
+    'url',
+    'license',
+    'description',
+    'long_description',
+    'keywords',
+    'platforms',
+    'classifiers',
+    'download_url',
+    'requires',
+    'provides',
+    'obsoletes',
+)
+
+# Legal keyword arguments for the Extension constructor
+extension_keywords = (
+    'name',
+    'sources',
+    'include_dirs',
+    'define_macros',
+    'undef_macros',
+    'library_dirs',
+    'libraries',
+    'runtime_library_dirs',
+    'extra_objects',
+    'extra_compile_args',
+    'extra_link_args',
+    'swig_opts',
+    'export_symbols',
+    'depends',
+    'language',
+)
+
+
+def setup(**attrs):  # noqa: C901
+    """The gateway to the Distutils: do everything your setup script needs
+    to do, in a highly flexible and user-driven way.  Briefly: create a
+    Distribution instance; find and parse config files; parse the command
+    line; run each Distutils command found there, customized by the options
+    supplied to 'setup()' (as keyword arguments), in config files, and on
+    the command line.
+
+    The Distribution instance might be an instance of a class supplied via
+    the 'distclass' keyword argument to 'setup'; if no such class is
+    supplied, then the Distribution class (in dist.py) is instantiated.
+    All other arguments to 'setup' (except for 'cmdclass') are used to set
+    attributes of the Distribution instance.
+
+    The 'cmdclass' argument, if supplied, is a dictionary mapping command
+    names to command classes.  Each command encountered on the command line
+    will be turned into a command class, which is in turn instantiated; any
+    class found in 'cmdclass' is used in place of the default, which is
+    (for command 'foo_bar') class 'foo_bar' in module
+    'distutils.command.foo_bar'.  The command class must provide a
+    'user_options' attribute which is a list of option specifiers for
+    'distutils.fancy_getopt'.  Any command-line options between the current
+    and the next command are used to set attributes of the current command
+    object.
+
+    When the entire command-line has been successfully parsed, calls the
+    'run()' method on each command object in turn.  This method will be
+    driven entirely by the Distribution object (which each command object
+    has a reference to, thanks to its constructor), and the
+    command-specific options that became attributes of each command
+    object.
+    """
+
+    global _setup_stop_after, _setup_distribution
+
+    # Determine the distribution class -- either caller-supplied or
+    # our Distribution (see below).
+    klass = attrs.get('distclass')
+    if klass:
+        del attrs['distclass']
+    else:
+        klass = Distribution
+
+    if 'script_name' not in attrs:
+        attrs['script_name'] = os.path.basename(sys.argv[0])
+    if 'script_args' not in attrs:
+        attrs['script_args'] = sys.argv[1:]
+
+    # Create the Distribution instance, using the remaining arguments
+    # (ie. everything except distclass) to initialize it
+    try:
+        _setup_distribution = dist = klass(attrs)
+    except DistutilsSetupError as msg:
+        if 'name' not in attrs:
+            raise SystemExit("error in setup command: %s" % msg)
+        else:
+            raise SystemExit("error in {} setup command: {}".format(attrs['name'], msg))
+
+    if _setup_stop_after == "init":
+        return dist
+
+    # Find and parse the config file(s): they will override options from
+    # the setup script, but be overridden by the command line.
+    dist.parse_config_files()
+
+    if DEBUG:
+        print("options (after parsing config files):")
+        dist.dump_option_dicts()
+
+    if _setup_stop_after == "config":
+        return dist
+
+    # Parse the command line and override config files; any
+    # command-line errors are the end user's fault, so turn them into
+    # SystemExit to suppress tracebacks.
+    try:
+        ok = dist.parse_command_line()
+    except DistutilsArgError as msg:
+        raise SystemExit(gen_usage(dist.script_name) + "\nerror: %s" % msg)
+
+    if DEBUG:
+        print("options (after parsing command line):")
+        dist.dump_option_dicts()
+
+    if _setup_stop_after == "commandline":
+        return dist
+
+    # And finally, run all the commands found on the command line.
+    if ok:
+        return run_commands(dist)
+
+    return dist
+
+
+# setup ()
+
+
+def run_commands(dist):
+    """Given a Distribution object run all the commands,
+    raising ``SystemExit`` errors in the case of failure.
+
+    This function assumes that either ``sys.argv`` or ``dist.script_args``
+    is already set accordingly.
+    """
+    try:
+        dist.run_commands()
+    except KeyboardInterrupt:
+        raise SystemExit("interrupted")
+    except OSError as exc:
+        if DEBUG:
+            sys.stderr.write("error: {}\n".format(exc))
+            raise
+        else:
+            raise SystemExit("error: {}".format(exc))
+
+    except (DistutilsError, CCompilerError) as msg:
+        if DEBUG:
+            raise
+        else:
+            raise SystemExit("error: " + str(msg))
+
+    return dist
+
+
+def run_setup(script_name, script_args=None, stop_after="run"):
+    """Run a setup script in a somewhat controlled environment, and
+    return the Distribution instance that drives things.  This is useful
+    if you need to find out the distribution meta-data (passed as
+    keyword args from 'script' to 'setup()', or the contents of the
+    config files or command-line.
+
+    'script_name' is a file that will be read and run with 'exec()';
+    'sys.argv[0]' will be replaced with 'script' for the duration of the
+    call.  'script_args' is a list of strings; if supplied,
+    'sys.argv[1:]' will be replaced by 'script_args' for the duration of
+    the call.
+
+    'stop_after' tells 'setup()' when to stop processing; possible
+    values:
+      init
+        stop after the Distribution instance has been created and
+        populated with the keyword arguments to 'setup()'
+      config
+        stop after config files have been parsed (and their data
+        stored in the Distribution instance)
+      commandline
+        stop after the command-line ('sys.argv[1:]' or 'script_args')
+        have been parsed (and the data stored in the Distribution)
+      run [default]
+        stop after all commands have been run (the same as if 'setup()'
+        had been called in the usual way
+
+    Returns the Distribution instance, which provides all information
+    used to drive the Distutils.
+    """
+    if stop_after not in ('init', 'config', 'commandline', 'run'):
+        raise ValueError("invalid value for 'stop_after': {!r}".format(stop_after))
+
+    global _setup_stop_after, _setup_distribution
+    _setup_stop_after = stop_after
+
+    save_argv = sys.argv.copy()
+    g = {'__file__': script_name, '__name__': '__main__'}
+    try:
+        try:
+            sys.argv[0] = script_name
+            if script_args is not None:
+                sys.argv[1:] = script_args
+            # tokenize.open supports automatic encoding detection
+            with tokenize.open(script_name) as f:
+                code = f.read().replace(r'\r\n', r'\n')
+                exec(code, g)
+        finally:
+            sys.argv = save_argv
+            _setup_stop_after = None
+    except SystemExit:
+        # Hmm, should we do something if exiting with a non-zero code
+        # (ie. error)?
+        pass
+
+    if _setup_distribution is None:
+        raise RuntimeError(
+            (
+                "'distutils.core.setup()' was never called -- "
+                "perhaps '%s' is not a Distutils setup script?"
+            )
+            % script_name
+        )
+
+    # I wonder if the setup script's namespace -- g and l -- would be of
+    # any interest to callers?
+    # print "_setup_distribution:", _setup_distribution
+    return _setup_distribution
+
+
+# run_setup ()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/cygwinccompiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/cygwinccompiler.py
new file mode 100644
index 00000000..2c4da5b5
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/cygwinccompiler.py
@@ -0,0 +1,364 @@
+"""distutils.cygwinccompiler
+
+Provides the CygwinCCompiler class, a subclass of UnixCCompiler that
+handles the Cygwin port of the GNU C compiler to Windows.  It also contains
+the Mingw32CCompiler class which handles the mingw32 port of GCC (same as
+cygwin in no-cygwin mode).
+"""
+
+import os
+import sys
+import copy
+import shlex
+import warnings
+from subprocess import check_output
+
+from distutils.unixccompiler import UnixCCompiler
+from distutils.file_util import write_file
+from distutils.errors import (
+    DistutilsExecError,
+    DistutilsPlatformError,
+    CCompilerError,
+    CompileError,
+)
+from distutils.version import LooseVersion, suppress_known_deprecation
+
+
+def get_msvcr():
+    """Include the appropriate MSVC runtime library if Python was built
+    with MSVC 7.0 or later.
+    """
+    msc_pos = sys.version.find('MSC v.')
+    if msc_pos != -1:
+        msc_ver = sys.version[msc_pos + 6 : msc_pos + 10]
+        if msc_ver == '1300':
+            # MSVC 7.0
+            return ['msvcr70']
+        elif msc_ver == '1310':
+            # MSVC 7.1
+            return ['msvcr71']
+        elif msc_ver == '1400':
+            # VS2005 / MSVC 8.0
+            return ['msvcr80']
+        elif msc_ver == '1500':
+            # VS2008 / MSVC 9.0
+            return ['msvcr90']
+        elif msc_ver == '1600':
+            # VS2010 / MSVC 10.0
+            return ['msvcr100']
+        elif msc_ver == '1700':
+            # VS2012 / MSVC 11.0
+            return ['msvcr110']
+        elif msc_ver == '1800':
+            # VS2013 / MSVC 12.0
+            return ['msvcr120']
+        elif 1900 <= int(msc_ver) < 2000:
+            # VS2015 / MSVC 14.0
+            return ['ucrt', 'vcruntime140']
+        else:
+            raise ValueError("Unknown MS Compiler version %s " % msc_ver)
+
+
+_runtime_library_dirs_msg = (
+    "Unable to set runtime library search path on Windows, "
+    "usually indicated by `runtime_library_dirs` parameter to Extension"
+)
+
+
+class CygwinCCompiler(UnixCCompiler):
+    """Handles the Cygwin port of the GNU C compiler to Windows."""
+
+    compiler_type = 'cygwin'
+    obj_extension = ".o"
+    static_lib_extension = ".a"
+    shared_lib_extension = ".dll.a"
+    dylib_lib_extension = ".dll"
+    static_lib_format = "lib%s%s"
+    shared_lib_format = "lib%s%s"
+    dylib_lib_format = "cyg%s%s"
+    exe_extension = ".exe"
+
+    def __init__(self, verbose=0, dry_run=0, force=0):
+
+        super().__init__(verbose, dry_run, force)
+
+        status, details = check_config_h()
+        self.debug_print(
+            "Python's GCC status: {} (details: {})".format(status, details)
+        )
+        if status is not CONFIG_H_OK:
+            self.warn(
+                "Python's pyconfig.h doesn't seem to support your compiler. "
+                "Reason: %s. "
+                "Compiling may fail because of undefined preprocessor macros." % details
+            )
+
+        self.cc = os.environ.get('CC', 'gcc')
+        self.cxx = os.environ.get('CXX', 'g++')
+
+        self.linker_dll = self.cc
+        shared_option = "-shared"
+
+        self.set_executables(
+            compiler='%s -mcygwin -O -Wall' % self.cc,
+            compiler_so='%s -mcygwin -mdll -O -Wall' % self.cc,
+            compiler_cxx='%s -mcygwin -O -Wall' % self.cxx,
+            linker_exe='%s -mcygwin' % self.cc,
+            linker_so=('{} -mcygwin {}'.format(self.linker_dll, shared_option)),
+        )
+
+        # Include the appropriate MSVC runtime library if Python was built
+        # with MSVC 7.0 or later.
+        self.dll_libraries = get_msvcr()
+
+    @property
+    def gcc_version(self):
+        # Older numpy dependend on this existing to check for ancient
+        # gcc versions. This doesn't make much sense with clang etc so
+        # just hardcode to something recent.
+        # https://github.com/numpy/numpy/pull/20333
+        warnings.warn(
+            "gcc_version attribute of CygwinCCompiler is deprecated. "
+            "Instead of returning actual gcc version a fixed value 11.2.0 is returned.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        with suppress_known_deprecation():
+            return LooseVersion("11.2.0")
+
+    def _compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts):
+        """Compiles the source by spawning GCC and windres if needed."""
+        if ext == '.rc' or ext == '.res':
+            # gcc needs '.res' and '.rc' compiled to object files !!!
+            try:
+                self.spawn(["windres", "-i", src, "-o", obj])
+            except DistutilsExecError as msg:
+                raise CompileError(msg)
+        else:  # for other files use the C-compiler
+            try:
+                self.spawn(
+                    self.compiler_so + cc_args + [src, '-o', obj] + extra_postargs
+                )
+            except DistutilsExecError as msg:
+                raise CompileError(msg)
+
+    def link(
+        self,
+        target_desc,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+        """Link the objects."""
+        # use separate copies, so we can modify the lists
+        extra_preargs = copy.copy(extra_preargs or [])
+        libraries = copy.copy(libraries or [])
+        objects = copy.copy(objects or [])
+
+        if runtime_library_dirs:
+            self.warn(_runtime_library_dirs_msg)
+
+        # Additional libraries
+        libraries.extend(self.dll_libraries)
+
+        # handle export symbols by creating a def-file
+        # with executables this only works with gcc/ld as linker
+        if (export_symbols is not None) and (
+            target_desc != self.EXECUTABLE or self.linker_dll == "gcc"
+        ):
+            # (The linker doesn't do anything if output is up-to-date.
+            # So it would probably better to check if we really need this,
+            # but for this we had to insert some unchanged parts of
+            # UnixCCompiler, and this is not what we want.)
+
+            # we want to put some files in the same directory as the
+            # object files are, build_temp doesn't help much
+            # where are the object files
+            temp_dir = os.path.dirname(objects[0])
+            # name of dll to give the helper files the same base name
+            (dll_name, dll_extension) = os.path.splitext(
+                os.path.basename(output_filename)
+            )
+
+            # generate the filenames for these files
+            def_file = os.path.join(temp_dir, dll_name + ".def")
+
+            # Generate .def file
+            contents = ["LIBRARY %s" % os.path.basename(output_filename), "EXPORTS"]
+            for sym in export_symbols:
+                contents.append(sym)
+            self.execute(write_file, (def_file, contents), "writing %s" % def_file)
+
+            # next add options for def-file
+
+            # for gcc/ld the def-file is specified as any object files
+            objects.append(def_file)
+
+        # end: if ((export_symbols is not None) and
+        #        (target_desc != self.EXECUTABLE or self.linker_dll == "gcc")):
+
+        # who wants symbols and a many times larger output file
+        # should explicitly switch the debug mode on
+        # otherwise we let ld strip the output file
+        # (On my machine: 10KiB < stripped_file < ??100KiB
+        #   unstripped_file = stripped_file + XXX KiB
+        #  ( XXX=254 for a typical python extension))
+        if not debug:
+            extra_preargs.append("-s")
+
+        UnixCCompiler.link(
+            self,
+            target_desc,
+            objects,
+            output_filename,
+            output_dir,
+            libraries,
+            library_dirs,
+            runtime_library_dirs,
+            None,  # export_symbols, we do this in our def-file
+            debug,
+            extra_preargs,
+            extra_postargs,
+            build_temp,
+            target_lang,
+        )
+
+    def runtime_library_dir_option(self, dir):
+        # cygwin doesn't support rpath. While in theory we could error
+        # out like MSVC does, code might expect it to work like on Unix, so
+        # just warn and hope for the best.
+        self.warn(_runtime_library_dirs_msg)
+        return []
+
+    # -- Miscellaneous methods -----------------------------------------
+
+    def _make_out_path(self, output_dir, strip_dir, src_name):
+        # use normcase to make sure '.rc' is really '.rc' and not '.RC'
+        norm_src_name = os.path.normcase(src_name)
+        return super()._make_out_path(output_dir, strip_dir, norm_src_name)
+
+    @property
+    def out_extensions(self):
+        """
+        Add support for rc and res files.
+        """
+        return {
+            **super().out_extensions,
+            **{ext: ext + self.obj_extension for ext in ('.res', '.rc')},
+        }
+
+
+# the same as cygwin plus some additional parameters
+class Mingw32CCompiler(CygwinCCompiler):
+    """Handles the Mingw32 port of the GNU C compiler to Windows."""
+
+    compiler_type = 'mingw32'
+
+    def __init__(self, verbose=0, dry_run=0, force=0):
+
+        super().__init__(verbose, dry_run, force)
+
+        shared_option = "-shared"
+
+        if is_cygwincc(self.cc):
+            raise CCompilerError('Cygwin gcc cannot be used with --compiler=mingw32')
+
+        self.set_executables(
+            compiler='%s -O -Wall' % self.cc,
+            compiler_so='%s -mdll -O -Wall' % self.cc,
+            compiler_cxx='%s -O -Wall' % self.cxx,
+            linker_exe='%s' % self.cc,
+            linker_so='{} {}'.format(self.linker_dll, shared_option),
+        )
+
+        # Maybe we should also append -mthreads, but then the finished
+        # dlls need another dll (mingwm10.dll see Mingw32 docs)
+        # (-mthreads: Support thread-safe exception handling on `Mingw32')
+
+        # no additional libraries needed
+        self.dll_libraries = []
+
+        # Include the appropriate MSVC runtime library if Python was built
+        # with MSVC 7.0 or later.
+        self.dll_libraries = get_msvcr()
+
+    def runtime_library_dir_option(self, dir):
+        raise DistutilsPlatformError(_runtime_library_dirs_msg)
+
+
+# Because these compilers aren't configured in Python's pyconfig.h file by
+# default, we should at least warn the user if he is using an unmodified
+# version.
+
+CONFIG_H_OK = "ok"
+CONFIG_H_NOTOK = "not ok"
+CONFIG_H_UNCERTAIN = "uncertain"
+
+
+def check_config_h():
+    """Check if the current Python installation appears amenable to building
+    extensions with GCC.
+
+    Returns a tuple (status, details), where 'status' is one of the following
+    constants:
+
+    - CONFIG_H_OK: all is well, go ahead and compile
+    - CONFIG_H_NOTOK: doesn't look good
+    - CONFIG_H_UNCERTAIN: not sure -- unable to read pyconfig.h
+
+    'details' is a human-readable string explaining the situation.
+
+    Note there are two ways to conclude "OK": either 'sys.version' contains
+    the string "GCC" (implying that this Python was built with GCC), or the
+    installed "pyconfig.h" contains the string "__GNUC__".
+    """
+
+    # XXX since this function also checks sys.version, it's not strictly a
+    # "pyconfig.h" check -- should probably be renamed...
+
+    from distutils import sysconfig
+
+    # if sys.version contains GCC then python was compiled with GCC, and the
+    # pyconfig.h file should be OK
+    if "GCC" in sys.version:
+        return CONFIG_H_OK, "sys.version mentions 'GCC'"
+
+    # Clang would also work
+    if "Clang" in sys.version:
+        return CONFIG_H_OK, "sys.version mentions 'Clang'"
+
+    # let's see if __GNUC__ is mentioned in python.h
+    fn = sysconfig.get_config_h_filename()
+    try:
+        config_h = open(fn)
+        try:
+            if "__GNUC__" in config_h.read():
+                return CONFIG_H_OK, "'%s' mentions '__GNUC__'" % fn
+            else:
+                return CONFIG_H_NOTOK, "'%s' does not mention '__GNUC__'" % fn
+        finally:
+            config_h.close()
+    except OSError as exc:
+        return (CONFIG_H_UNCERTAIN, "couldn't read '{}': {}".format(fn, exc.strerror))
+
+
+def is_cygwincc(cc):
+    '''Try to determine if the compiler that would be used is from cygwin.'''
+    out_string = check_output(shlex.split(cc) + ['-dumpmachine'])
+    return out_string.strip().endswith(b'cygwin')
+
+
+get_versions = None
+"""
+A stand-in for the previous get_versions() function to prevent failures
+when monkeypatched. See pypa/setuptools#2969.
+"""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/debug.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/debug.py
new file mode 100644
index 00000000..daf1660f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/debug.py
@@ -0,0 +1,5 @@
+import os
+
+# If DISTUTILS_DEBUG is anything other than the empty string, we run in
+# debug mode.
+DEBUG = os.environ.get('DISTUTILS_DEBUG')
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dep_util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dep_util.py
new file mode 100644
index 00000000..db1fa019
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dep_util.py
@@ -0,0 +1,96 @@
+"""distutils.dep_util
+
+Utility functions for simple, timestamp-based dependency of files
+and groups of files; also, function based entirely on such
+timestamp dependency analysis."""
+
+import os
+from distutils.errors import DistutilsFileError
+
+
+def newer(source, target):
+    """Return true if 'source' exists and is more recently modified than
+    'target', or if 'source' exists and 'target' doesn't.  Return false if
+    both exist and 'target' is the same age or younger than 'source'.
+    Raise DistutilsFileError if 'source' does not exist.
+    """
+    if not os.path.exists(source):
+        raise DistutilsFileError("file '%s' does not exist" % os.path.abspath(source))
+    if not os.path.exists(target):
+        return 1
+
+    from stat import ST_MTIME
+
+    mtime1 = os.stat(source)[ST_MTIME]
+    mtime2 = os.stat(target)[ST_MTIME]
+
+    return mtime1 > mtime2
+
+
+# newer ()
+
+
+def newer_pairwise(sources, targets):
+    """Walk two filename lists in parallel, testing if each source is newer
+    than its corresponding target.  Return a pair of lists (sources,
+    targets) where source is newer than target, according to the semantics
+    of 'newer()'.
+    """
+    if len(sources) != len(targets):
+        raise ValueError("'sources' and 'targets' must be same length")
+
+    # build a pair of lists (sources, targets) where  source is newer
+    n_sources = []
+    n_targets = []
+    for i in range(len(sources)):
+        if newer(sources[i], targets[i]):
+            n_sources.append(sources[i])
+            n_targets.append(targets[i])
+
+    return (n_sources, n_targets)
+
+
+# newer_pairwise ()
+
+
+def newer_group(sources, target, missing='error'):
+    """Return true if 'target' is out-of-date with respect to any file
+    listed in 'sources'.  In other words, if 'target' exists and is newer
+    than every file in 'sources', return false; otherwise return true.
+    'missing' controls what we do when a source file is missing; the
+    default ("error") is to blow up with an OSError from inside 'stat()';
+    if it is "ignore", we silently drop any missing source files; if it is
+    "newer", any missing source files make us assume that 'target' is
+    out-of-date (this is handy in "dry-run" mode: it'll make you pretend to
+    carry out commands that wouldn't work because inputs are missing, but
+    that doesn't matter because you're not actually going to run the
+    commands).
+    """
+    # If the target doesn't even exist, then it's definitely out-of-date.
+    if not os.path.exists(target):
+        return 1
+
+    # Otherwise we have to find out the hard way: if *any* source file
+    # is more recent than 'target', then 'target' is out-of-date and
+    # we can immediately return true.  If we fall through to the end
+    # of the loop, then 'target' is up-to-date and we return false.
+    from stat import ST_MTIME
+
+    target_mtime = os.stat(target)[ST_MTIME]
+    for source in sources:
+        if not os.path.exists(source):
+            if missing == 'error':  # blow up when we stat() the file
+                pass
+            elif missing == 'ignore':  # missing source dropped from
+                continue  # target's dependency list
+            elif missing == 'newer':  # missing source means target is
+                return 1  # out-of-date
+
+        source_mtime = os.stat(source)[ST_MTIME]
+        if source_mtime > target_mtime:
+            return 1
+    else:
+        return 0
+
+
+# newer_group ()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dir_util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dir_util.py
new file mode 100644
index 00000000..6f0bb8ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dir_util.py
@@ -0,0 +1,243 @@
+"""distutils.dir_util
+
+Utility functions for manipulating directories and directory trees."""
+
+import os
+import errno
+from distutils.errors import DistutilsInternalError, DistutilsFileError
+from distutils import log
+
+# cache for by mkpath() -- in addition to cheapening redundant calls,
+# eliminates redundant "creating /foo/bar/baz" messages in dry-run mode
+_path_created = {}
+
+
+def mkpath(name, mode=0o777, verbose=1, dry_run=0):  # noqa: C901
+    """Create a directory and any missing ancestor directories.
+
+    If the directory already exists (or if 'name' is the empty string, which
+    means the current directory, which of course exists), then do nothing.
+    Raise DistutilsFileError if unable to create some directory along the way
+    (eg. some sub-path exists, but is a file rather than a directory).
+    If 'verbose' is true, print a one-line summary of each mkdir to stdout.
+    Return the list of directories actually created.
+
+    os.makedirs is not used because:
+
+    a) It's new to Python 1.5.2, and
+    b) it blows up if the directory already exists (in which case it should
+       silently succeed).
+    """
+
+    global _path_created
+
+    # Detect a common bug -- name is None
+    if not isinstance(name, str):
+        raise DistutilsInternalError(
+            "mkpath: 'name' must be a string (got {!r})".format(name)
+        )
+
+    # XXX what's the better way to handle verbosity? print as we create
+    # each directory in the path (the current behaviour), or only announce
+    # the creation of the whole path? (quite easy to do the latter since
+    # we're not using a recursive algorithm)
+
+    name = os.path.normpath(name)
+    created_dirs = []
+    if os.path.isdir(name) or name == '':
+        return created_dirs
+    if _path_created.get(os.path.abspath(name)):
+        return created_dirs
+
+    (head, tail) = os.path.split(name)
+    tails = [tail]  # stack of lone dirs to create
+
+    while head and tail and not os.path.isdir(head):
+        (head, tail) = os.path.split(head)
+        tails.insert(0, tail)  # push next higher dir onto stack
+
+    # now 'head' contains the deepest directory that already exists
+    # (that is, the child of 'head' in 'name' is the highest directory
+    # that does *not* exist)
+    for d in tails:
+        # print "head = %s, d = %s: " % (head, d),
+        head = os.path.join(head, d)
+        abs_head = os.path.abspath(head)
+
+        if _path_created.get(abs_head):
+            continue
+
+        if verbose >= 1:
+            log.info("creating %s", head)
+
+        if not dry_run:
+            try:
+                os.mkdir(head, mode)
+            except OSError as exc:
+                if not (exc.errno == errno.EEXIST and os.path.isdir(head)):
+                    raise DistutilsFileError(
+                        "could not create '{}': {}".format(head, exc.args[-1])
+                    )
+            created_dirs.append(head)
+
+        _path_created[abs_head] = 1
+    return created_dirs
+
+
+def create_tree(base_dir, files, mode=0o777, verbose=1, dry_run=0):
+    """Create all the empty directories under 'base_dir' needed to put 'files'
+    there.
+
+    'base_dir' is just the name of a directory which doesn't necessarily
+    exist yet; 'files' is a list of filenames to be interpreted relative to
+    'base_dir'.  'base_dir' + the directory portion of every file in 'files'
+    will be created if it doesn't already exist.  'mode', 'verbose' and
+    'dry_run' flags are as for 'mkpath()'.
+    """
+    # First get the list of directories to create
+    need_dir = set()
+    for file in files:
+        need_dir.add(os.path.join(base_dir, os.path.dirname(file)))
+
+    # Now create them
+    for dir in sorted(need_dir):
+        mkpath(dir, mode, verbose=verbose, dry_run=dry_run)
+
+
+def copy_tree(  # noqa: C901
+    src,
+    dst,
+    preserve_mode=1,
+    preserve_times=1,
+    preserve_symlinks=0,
+    update=0,
+    verbose=1,
+    dry_run=0,
+):
+    """Copy an entire directory tree 'src' to a new location 'dst'.
+
+    Both 'src' and 'dst' must be directory names.  If 'src' is not a
+    directory, raise DistutilsFileError.  If 'dst' does not exist, it is
+    created with 'mkpath()'.  The end result of the copy is that every
+    file in 'src' is copied to 'dst', and directories under 'src' are
+    recursively copied to 'dst'.  Return the list of files that were
+    copied or might have been copied, using their output name.  The
+    return value is unaffected by 'update' or 'dry_run': it is simply
+    the list of all files under 'src', with the names changed to be
+    under 'dst'.
+
+    'preserve_mode' and 'preserve_times' are the same as for
+    'copy_file'; note that they only apply to regular files, not to
+    directories.  If 'preserve_symlinks' is true, symlinks will be
+    copied as symlinks (on platforms that support them!); otherwise
+    (the default), the destination of the symlink will be copied.
+    'update' and 'verbose' are the same as for 'copy_file'.
+    """
+    from distutils.file_util import copy_file
+
+    if not dry_run and not os.path.isdir(src):
+        raise DistutilsFileError("cannot copy tree '%s': not a directory" % src)
+    try:
+        names = os.listdir(src)
+    except OSError as e:
+        if dry_run:
+            names = []
+        else:
+            raise DistutilsFileError(
+                "error listing files in '{}': {}".format(src, e.strerror)
+            )
+
+    if not dry_run:
+        mkpath(dst, verbose=verbose)
+
+    outputs = []
+
+    for n in names:
+        src_name = os.path.join(src, n)
+        dst_name = os.path.join(dst, n)
+
+        if n.startswith('.nfs'):
+            # skip NFS rename files
+            continue
+
+        if preserve_symlinks and os.path.islink(src_name):
+            link_dest = os.readlink(src_name)
+            if verbose >= 1:
+                log.info("linking %s -> %s", dst_name, link_dest)
+            if not dry_run:
+                os.symlink(link_dest, dst_name)
+            outputs.append(dst_name)
+
+        elif os.path.isdir(src_name):
+            outputs.extend(
+                copy_tree(
+                    src_name,
+                    dst_name,
+                    preserve_mode,
+                    preserve_times,
+                    preserve_symlinks,
+                    update,
+                    verbose=verbose,
+                    dry_run=dry_run,
+                )
+            )
+        else:
+            copy_file(
+                src_name,
+                dst_name,
+                preserve_mode,
+                preserve_times,
+                update,
+                verbose=verbose,
+                dry_run=dry_run,
+            )
+            outputs.append(dst_name)
+
+    return outputs
+
+
+def _build_cmdtuple(path, cmdtuples):
+    """Helper for remove_tree()."""
+    for f in os.listdir(path):
+        real_f = os.path.join(path, f)
+        if os.path.isdir(real_f) and not os.path.islink(real_f):
+            _build_cmdtuple(real_f, cmdtuples)
+        else:
+            cmdtuples.append((os.remove, real_f))
+    cmdtuples.append((os.rmdir, path))
+
+
+def remove_tree(directory, verbose=1, dry_run=0):
+    """Recursively remove an entire directory tree.
+
+    Any errors are ignored (apart from being reported to stdout if 'verbose'
+    is true).
+    """
+    global _path_created
+
+    if verbose >= 1:
+        log.info("removing '%s' (and everything under it)", directory)
+    if dry_run:
+        return
+    cmdtuples = []
+    _build_cmdtuple(directory, cmdtuples)
+    for cmd in cmdtuples:
+        try:
+            cmd[0](cmd[1])
+            # remove dir from cache if it's already there
+            abspath = os.path.abspath(cmd[1])
+            if abspath in _path_created:
+                del _path_created[abspath]
+        except OSError as exc:
+            log.warn("error removing %s: %s", directory, exc)
+
+
+def ensure_relative(path):
+    """Take the full path 'path', and make it a relative path.
+
+    This is useful to make 'path' the second argument to os.path.join().
+    """
+    drive, path = os.path.splitdrive(path)
+    if path[0:1] == os.sep:
+        path = drive + path[1:]
+    return path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dist.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dist.py
new file mode 100644
index 00000000..917cd94a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/dist.py
@@ -0,0 +1,1286 @@
+"""distutils.dist
+
+Provides the Distribution class, which represents the module distribution
+being built/installed/distributed.
+"""
+
+import sys
+import os
+import re
+import pathlib
+import contextlib
+from email import message_from_file
+
+try:
+    import warnings
+except ImportError:
+    warnings = None
+
+from distutils.errors import (
+    DistutilsOptionError,
+    DistutilsModuleError,
+    DistutilsArgError,
+    DistutilsClassError,
+)
+from distutils.fancy_getopt import FancyGetopt, translate_longopt
+from distutils.util import check_environ, strtobool, rfc822_escape
+from distutils import log
+from distutils.debug import DEBUG
+
+# Regex to define acceptable Distutils command names.  This is not *quite*
+# the same as a Python NAME -- I don't allow leading underscores.  The fact
+# that they're very similar is no coincidence; the default naming scheme is
+# to look for a Python module named after the command.
+command_re = re.compile(r'^[a-zA-Z]([a-zA-Z0-9_]*)$')
+
+
+def _ensure_list(value, fieldname):
+    if isinstance(value, str):
+        # a string containing comma separated values is okay.  It will
+        # be converted to a list by Distribution.finalize_options().
+        pass
+    elif not isinstance(value, list):
+        # passing a tuple or an iterator perhaps, warn and convert
+        typename = type(value).__name__
+        msg = "Warning: '{fieldname}' should be a list, got type '{typename}'"
+        msg = msg.format(**locals())
+        log.log(log.WARN, msg)
+        value = list(value)
+    return value
+
+
+class Distribution:
+    """The core of the Distutils.  Most of the work hiding behind 'setup'
+    is really done within a Distribution instance, which farms the work out
+    to the Distutils commands specified on the command line.
+
+    Setup scripts will almost never instantiate Distribution directly,
+    unless the 'setup()' function is totally inadequate to their needs.
+    However, it is conceivable that a setup script might wish to subclass
+    Distribution for some specialized purpose, and then pass the subclass
+    to 'setup()' as the 'distclass' keyword argument.  If so, it is
+    necessary to respect the expectations that 'setup' has of Distribution.
+    See the code for 'setup()', in core.py, for details.
+    """
+
+    # 'global_options' describes the command-line options that may be
+    # supplied to the setup script prior to any actual commands.
+    # Eg. "./setup.py -n" or "./setup.py --quiet" both take advantage of
+    # these global options.  This list should be kept to a bare minimum,
+    # since every global option is also valid as a command option -- and we
+    # don't want to pollute the commands with too many options that they
+    # have minimal control over.
+    # The fourth entry for verbose means that it can be repeated.
+    global_options = [
+        ('verbose', 'v', "run verbosely (default)", 1),
+        ('quiet', 'q', "run quietly (turns verbosity off)"),
+        ('dry-run', 'n', "don't actually do anything"),
+        ('help', 'h', "show detailed help message"),
+        ('no-user-cfg', None, 'ignore pydistutils.cfg in your home directory'),
+    ]
+
+    # 'common_usage' is a short (2-3 line) string describing the common
+    # usage of the setup script.
+    common_usage = """\
+Common commands: (see '--help-commands' for more)
+
+  setup.py build      will build the package underneath 'build/'
+  setup.py install    will install the package
+"""
+
+    # options that are not propagated to the commands
+    display_options = [
+        ('help-commands', None, "list all available commands"),
+        ('name', None, "print package name"),
+        ('version', 'V', "print package version"),
+        ('fullname', None, "print <package name>-<version>"),
+        ('author', None, "print the author's name"),
+        ('author-email', None, "print the author's email address"),
+        ('maintainer', None, "print the maintainer's name"),
+        ('maintainer-email', None, "print the maintainer's email address"),
+        ('contact', None, "print the maintainer's name if known, else the author's"),
+        (
+            'contact-email',
+            None,
+            "print the maintainer's email address if known, else the author's",
+        ),
+        ('url', None, "print the URL for this package"),
+        ('license', None, "print the license of the package"),
+        ('licence', None, "alias for --license"),
+        ('description', None, "print the package description"),
+        ('long-description', None, "print the long package description"),
+        ('platforms', None, "print the list of platforms"),
+        ('classifiers', None, "print the list of classifiers"),
+        ('keywords', None, "print the list of keywords"),
+        ('provides', None, "print the list of packages/modules provided"),
+        ('requires', None, "print the list of packages/modules required"),
+        ('obsoletes', None, "print the list of packages/modules made obsolete"),
+    ]
+    display_option_names = [translate_longopt(x[0]) for x in display_options]
+
+    # negative options are options that exclude other options
+    negative_opt = {'quiet': 'verbose'}
+
+    # -- Creation/initialization methods -------------------------------
+
+    def __init__(self, attrs=None):  # noqa: C901
+        """Construct a new Distribution instance: initialize all the
+        attributes of a Distribution, and then use 'attrs' (a dictionary
+        mapping attribute names to values) to assign some of those
+        attributes their "real" values.  (Any attributes not mentioned in
+        'attrs' will be assigned to some null value: 0, None, an empty list
+        or dictionary, etc.)  Most importantly, initialize the
+        'command_obj' attribute to the empty dictionary; this will be
+        filled in with real command objects by 'parse_command_line()'.
+        """
+
+        # Default values for our command-line options
+        self.verbose = 1
+        self.dry_run = 0
+        self.help = 0
+        for attr in self.display_option_names:
+            setattr(self, attr, 0)
+
+        # Store the distribution meta-data (name, version, author, and so
+        # forth) in a separate object -- we're getting to have enough
+        # information here (and enough command-line options) that it's
+        # worth it.  Also delegate 'get_XXX()' methods to the 'metadata'
+        # object in a sneaky and underhanded (but efficient!) way.
+        self.metadata = DistributionMetadata()
+        for basename in self.metadata._METHOD_BASENAMES:
+            method_name = "get_" + basename
+            setattr(self, method_name, getattr(self.metadata, method_name))
+
+        # 'cmdclass' maps command names to class objects, so we
+        # can 1) quickly figure out which class to instantiate when
+        # we need to create a new command object, and 2) have a way
+        # for the setup script to override command classes
+        self.cmdclass = {}
+
+        # 'command_packages' is a list of packages in which commands
+        # are searched for.  The factory for command 'foo' is expected
+        # to be named 'foo' in the module 'foo' in one of the packages
+        # named here.  This list is searched from the left; an error
+        # is raised if no named package provides the command being
+        # searched for.  (Always access using get_command_packages().)
+        self.command_packages = None
+
+        # 'script_name' and 'script_args' are usually set to sys.argv[0]
+        # and sys.argv[1:], but they can be overridden when the caller is
+        # not necessarily a setup script run from the command-line.
+        self.script_name = None
+        self.script_args = None
+
+        # 'command_options' is where we store command options between
+        # parsing them (from config files, the command-line, etc.) and when
+        # they are actually needed -- ie. when the command in question is
+        # instantiated.  It is a dictionary of dictionaries of 2-tuples:
+        #   command_options = { command_name : { option : (source, value) } }
+        self.command_options = {}
+
+        # 'dist_files' is the list of (command, pyversion, file) that
+        # have been created by any dist commands run so far. This is
+        # filled regardless of whether the run is dry or not. pyversion
+        # gives sysconfig.get_python_version() if the dist file is
+        # specific to a Python version, 'any' if it is good for all
+        # Python versions on the target platform, and '' for a source
+        # file. pyversion should not be used to specify minimum or
+        # maximum required Python versions; use the metainfo for that
+        # instead.
+        self.dist_files = []
+
+        # These options are really the business of various commands, rather
+        # than of the Distribution itself.  We provide aliases for them in
+        # Distribution as a convenience to the developer.
+        self.packages = None
+        self.package_data = {}
+        self.package_dir = None
+        self.py_modules = None
+        self.libraries = None
+        self.headers = None
+        self.ext_modules = None
+        self.ext_package = None
+        self.include_dirs = None
+        self.extra_path = None
+        self.scripts = None
+        self.data_files = None
+        self.password = ''
+
+        # And now initialize bookkeeping stuff that can't be supplied by
+        # the caller at all.  'command_obj' maps command names to
+        # Command instances -- that's how we enforce that every command
+        # class is a singleton.
+        self.command_obj = {}
+
+        # 'have_run' maps command names to boolean values; it keeps track
+        # of whether we have actually run a particular command, to make it
+        # cheap to "run" a command whenever we think we might need to -- if
+        # it's already been done, no need for expensive filesystem
+        # operations, we just check the 'have_run' dictionary and carry on.
+        # It's only safe to query 'have_run' for a command class that has
+        # been instantiated -- a false value will be inserted when the
+        # command object is created, and replaced with a true value when
+        # the command is successfully run.  Thus it's probably best to use
+        # '.get()' rather than a straight lookup.
+        self.have_run = {}
+
+        # Now we'll use the attrs dictionary (ultimately, keyword args from
+        # the setup script) to possibly override any or all of these
+        # distribution options.
+
+        if attrs:
+            # Pull out the set of command options and work on them
+            # specifically.  Note that this order guarantees that aliased
+            # command options will override any supplied redundantly
+            # through the general options dictionary.
+            options = attrs.get('options')
+            if options is not None:
+                del attrs['options']
+                for (command, cmd_options) in options.items():
+                    opt_dict = self.get_option_dict(command)
+                    for (opt, val) in cmd_options.items():
+                        opt_dict[opt] = ("setup script", val)
+
+            if 'licence' in attrs:
+                attrs['license'] = attrs['licence']
+                del attrs['licence']
+                msg = "'licence' distribution option is deprecated; use 'license'"
+                if warnings is not None:
+                    warnings.warn(msg)
+                else:
+                    sys.stderr.write(msg + "\n")
+
+            # Now work on the rest of the attributes.  Any attribute that's
+            # not already defined is invalid!
+            for (key, val) in attrs.items():
+                if hasattr(self.metadata, "set_" + key):
+                    getattr(self.metadata, "set_" + key)(val)
+                elif hasattr(self.metadata, key):
+                    setattr(self.metadata, key, val)
+                elif hasattr(self, key):
+                    setattr(self, key, val)
+                else:
+                    msg = "Unknown distribution option: %s" % repr(key)
+                    warnings.warn(msg)
+
+        # no-user-cfg is handled before other command line args
+        # because other args override the config files, and this
+        # one is needed before we can load the config files.
+        # If attrs['script_args'] wasn't passed, assume false.
+        #
+        # This also make sure we just look at the global options
+        self.want_user_cfg = True
+
+        if self.script_args is not None:
+            for arg in self.script_args:
+                if not arg.startswith('-'):
+                    break
+                if arg == '--no-user-cfg':
+                    self.want_user_cfg = False
+                    break
+
+        self.finalize_options()
+
+    def get_option_dict(self, command):
+        """Get the option dictionary for a given command.  If that
+        command's option dictionary hasn't been created yet, then create it
+        and return the new dictionary; otherwise, return the existing
+        option dictionary.
+        """
+        dict = self.command_options.get(command)
+        if dict is None:
+            dict = self.command_options[command] = {}
+        return dict
+
+    def dump_option_dicts(self, header=None, commands=None, indent=""):
+        from pprint import pformat
+
+        if commands is None:  # dump all command option dicts
+            commands = sorted(self.command_options.keys())
+
+        if header is not None:
+            self.announce(indent + header)
+            indent = indent + "  "
+
+        if not commands:
+            self.announce(indent + "no commands known yet")
+            return
+
+        for cmd_name in commands:
+            opt_dict = self.command_options.get(cmd_name)
+            if opt_dict is None:
+                self.announce(indent + "no option dict for '%s' command" % cmd_name)
+            else:
+                self.announce(indent + "option dict for '%s' command:" % cmd_name)
+                out = pformat(opt_dict)
+                for line in out.split('\n'):
+                    self.announce(indent + "  " + line)
+
+    # -- Config file finding/parsing methods ---------------------------
+
+    def find_config_files(self):
+        """Find as many configuration files as should be processed for this
+        platform, and return a list of filenames in the order in which they
+        should be parsed.  The filenames returned are guaranteed to exist
+        (modulo nasty race conditions).
+
+        There are multiple possible config files:
+        - distutils.cfg in the Distutils installation directory (i.e.
+          where the top-level Distutils __inst__.py file lives)
+        - a file in the user's home directory named .pydistutils.cfg
+          on Unix and pydistutils.cfg on Windows/Mac; may be disabled
+          with the ``--no-user-cfg`` option
+        - setup.cfg in the current directory
+        - a file named by an environment variable
+        """
+        check_environ()
+        files = [str(path) for path in self._gen_paths() if os.path.isfile(path)]
+
+        if DEBUG:
+            self.announce("using config files: %s" % ', '.join(files))
+
+        return files
+
+    def _gen_paths(self):
+        # The system-wide Distutils config file
+        sys_dir = pathlib.Path(sys.modules['distutils'].__file__).parent
+        yield sys_dir / "distutils.cfg"
+
+        # The per-user config file
+        prefix = '.' * (os.name == 'posix')
+        filename = prefix + 'pydistutils.cfg'
+        if self.want_user_cfg:
+            yield pathlib.Path('~').expanduser() / filename
+
+        # All platforms support local setup.cfg
+        yield pathlib.Path('setup.cfg')
+
+        # Additional config indicated in the environment
+        with contextlib.suppress(TypeError):
+            yield pathlib.Path(os.getenv("DIST_EXTRA_CONFIG"))
+
+    def parse_config_files(self, filenames=None):  # noqa: C901
+        from configparser import ConfigParser
+
+        # Ignore install directory options if we have a venv
+        if sys.prefix != sys.base_prefix:
+            ignore_options = [
+                'install-base',
+                'install-platbase',
+                'install-lib',
+                'install-platlib',
+                'install-purelib',
+                'install-headers',
+                'install-scripts',
+                'install-data',
+                'prefix',
+                'exec-prefix',
+                'home',
+                'user',
+                'root',
+            ]
+        else:
+            ignore_options = []
+
+        ignore_options = frozenset(ignore_options)
+
+        if filenames is None:
+            filenames = self.find_config_files()
+
+        if DEBUG:
+            self.announce("Distribution.parse_config_files():")
+
+        parser = ConfigParser()
+        for filename in filenames:
+            if DEBUG:
+                self.announce("  reading %s" % filename)
+            parser.read(filename)
+            for section in parser.sections():
+                options = parser.options(section)
+                opt_dict = self.get_option_dict(section)
+
+                for opt in options:
+                    if opt != '__name__' and opt not in ignore_options:
+                        val = parser.get(section, opt)
+                        opt = opt.replace('-', '_')
+                        opt_dict[opt] = (filename, val)
+
+            # Make the ConfigParser forget everything (so we retain
+            # the original filenames that options come from)
+            parser.__init__()
+
+        # If there was a "global" section in the config file, use it
+        # to set Distribution options.
+
+        if 'global' in self.command_options:
+            for (opt, (src, val)) in self.command_options['global'].items():
+                alias = self.negative_opt.get(opt)
+                try:
+                    if alias:
+                        setattr(self, alias, not strtobool(val))
+                    elif opt in ('verbose', 'dry_run'):  # ugh!
+                        setattr(self, opt, strtobool(val))
+                    else:
+                        setattr(self, opt, val)
+                except ValueError as msg:
+                    raise DistutilsOptionError(msg)
+
+    # -- Command-line parsing methods ----------------------------------
+
+    def parse_command_line(self):
+        """Parse the setup script's command line, taken from the
+        'script_args' instance attribute (which defaults to 'sys.argv[1:]'
+        -- see 'setup()' in core.py).  This list is first processed for
+        "global options" -- options that set attributes of the Distribution
+        instance.  Then, it is alternately scanned for Distutils commands
+        and options for that command.  Each new command terminates the
+        options for the previous command.  The allowed options for a
+        command are determined by the 'user_options' attribute of the
+        command class -- thus, we have to be able to load command classes
+        in order to parse the command line.  Any error in that 'options'
+        attribute raises DistutilsGetoptError; any error on the
+        command-line raises DistutilsArgError.  If no Distutils commands
+        were found on the command line, raises DistutilsArgError.  Return
+        true if command-line was successfully parsed and we should carry
+        on with executing commands; false if no errors but we shouldn't
+        execute commands (currently, this only happens if user asks for
+        help).
+        """
+        #
+        # We now have enough information to show the Macintosh dialog
+        # that allows the user to interactively specify the "command line".
+        #
+        toplevel_options = self._get_toplevel_options()
+
+        # We have to parse the command line a bit at a time -- global
+        # options, then the first command, then its options, and so on --
+        # because each command will be handled by a different class, and
+        # the options that are valid for a particular class aren't known
+        # until we have loaded the command class, which doesn't happen
+        # until we know what the command is.
+
+        self.commands = []
+        parser = FancyGetopt(toplevel_options + self.display_options)
+        parser.set_negative_aliases(self.negative_opt)
+        parser.set_aliases({'licence': 'license'})
+        args = parser.getopt(args=self.script_args, object=self)
+        option_order = parser.get_option_order()
+        log.set_verbosity(self.verbose)
+
+        # for display options we return immediately
+        if self.handle_display_options(option_order):
+            return
+        while args:
+            args = self._parse_command_opts(parser, args)
+            if args is None:  # user asked for help (and got it)
+                return
+
+        # Handle the cases of --help as a "global" option, ie.
+        # "setup.py --help" and "setup.py --help command ...".  For the
+        # former, we show global options (--verbose, --dry-run, etc.)
+        # and display-only options (--name, --version, etc.); for the
+        # latter, we omit the display-only options and show help for
+        # each command listed on the command line.
+        if self.help:
+            self._show_help(
+                parser, display_options=len(self.commands) == 0, commands=self.commands
+            )
+            return
+
+        # Oops, no commands found -- an end-user error
+        if not self.commands:
+            raise DistutilsArgError("no commands supplied")
+
+        # All is well: return true
+        return True
+
+    def _get_toplevel_options(self):
+        """Return the non-display options recognized at the top level.
+
+        This includes options that are recognized *only* at the top
+        level as well as options recognized for commands.
+        """
+        return self.global_options + [
+            (
+                "command-packages=",
+                None,
+                "list of packages that provide distutils commands",
+            ),
+        ]
+
+    def _parse_command_opts(self, parser, args):  # noqa: C901
+        """Parse the command-line options for a single command.
+        'parser' must be a FancyGetopt instance; 'args' must be the list
+        of arguments, starting with the current command (whose options
+        we are about to parse).  Returns a new version of 'args' with
+        the next command at the front of the list; will be the empty
+        list if there are no more commands on the command line.  Returns
+        None if the user asked for help on this command.
+        """
+        # late import because of mutual dependence between these modules
+        from distutils.cmd import Command
+
+        # Pull the current command from the head of the command line
+        command = args[0]
+        if not command_re.match(command):
+            raise SystemExit("invalid command name '%s'" % command)
+        self.commands.append(command)
+
+        # Dig up the command class that implements this command, so we
+        # 1) know that it's a valid command, and 2) know which options
+        # it takes.
+        try:
+            cmd_class = self.get_command_class(command)
+        except DistutilsModuleError as msg:
+            raise DistutilsArgError(msg)
+
+        # Require that the command class be derived from Command -- want
+        # to be sure that the basic "command" interface is implemented.
+        if not issubclass(cmd_class, Command):
+            raise DistutilsClassError(
+                "command class %s must subclass Command" % cmd_class
+            )
+
+        # Also make sure that the command object provides a list of its
+        # known options.
+        if not (
+            hasattr(cmd_class, 'user_options')
+            and isinstance(cmd_class.user_options, list)
+        ):
+            msg = (
+                "command class %s must provide "
+                "'user_options' attribute (a list of tuples)"
+            )
+            raise DistutilsClassError(msg % cmd_class)
+
+        # If the command class has a list of negative alias options,
+        # merge it in with the global negative aliases.
+        negative_opt = self.negative_opt
+        if hasattr(cmd_class, 'negative_opt'):
+            negative_opt = negative_opt.copy()
+            negative_opt.update(cmd_class.negative_opt)
+
+        # Check for help_options in command class.  They have a different
+        # format (tuple of four) so we need to preprocess them here.
+        if hasattr(cmd_class, 'help_options') and isinstance(
+            cmd_class.help_options, list
+        ):
+            help_options = fix_help_options(cmd_class.help_options)
+        else:
+            help_options = []
+
+        # All commands support the global options too, just by adding
+        # in 'global_options'.
+        parser.set_option_table(
+            self.global_options + cmd_class.user_options + help_options
+        )
+        parser.set_negative_aliases(negative_opt)
+        (args, opts) = parser.getopt(args[1:])
+        if hasattr(opts, 'help') and opts.help:
+            self._show_help(parser, display_options=0, commands=[cmd_class])
+            return
+
+        if hasattr(cmd_class, 'help_options') and isinstance(
+            cmd_class.help_options, list
+        ):
+            help_option_found = 0
+            for (help_option, short, desc, func) in cmd_class.help_options:
+                if hasattr(opts, parser.get_attr_name(help_option)):
+                    help_option_found = 1
+                    if callable(func):
+                        func()
+                    else:
+                        raise DistutilsClassError(
+                            "invalid help function %r for help option '%s': "
+                            "must be a callable object (function, etc.)"
+                            % (func, help_option)
+                        )
+
+            if help_option_found:
+                return
+
+        # Put the options from the command-line into their official
+        # holding pen, the 'command_options' dictionary.
+        opt_dict = self.get_option_dict(command)
+        for (name, value) in vars(opts).items():
+            opt_dict[name] = ("command line", value)
+
+        return args
+
+    def finalize_options(self):
+        """Set final values for all the options on the Distribution
+        instance, analogous to the .finalize_options() method of Command
+        objects.
+        """
+        for attr in ('keywords', 'platforms'):
+            value = getattr(self.metadata, attr)
+            if value is None:
+                continue
+            if isinstance(value, str):
+                value = [elm.strip() for elm in value.split(',')]
+                setattr(self.metadata, attr, value)
+
+    def _show_help(self, parser, global_options=1, display_options=1, commands=[]):
+        """Show help for the setup script command-line in the form of
+        several lists of command-line options.  'parser' should be a
+        FancyGetopt instance; do not expect it to be returned in the
+        same state, as its option table will be reset to make it
+        generate the correct help text.
+
+        If 'global_options' is true, lists the global options:
+        --verbose, --dry-run, etc.  If 'display_options' is true, lists
+        the "display-only" options: --name, --version, etc.  Finally,
+        lists per-command help for every command name or command class
+        in 'commands'.
+        """
+        # late import because of mutual dependence between these modules
+        from distutils.core import gen_usage
+        from distutils.cmd import Command
+
+        if global_options:
+            if display_options:
+                options = self._get_toplevel_options()
+            else:
+                options = self.global_options
+            parser.set_option_table(options)
+            parser.print_help(self.common_usage + "\nGlobal options:")
+            print('')
+
+        if display_options:
+            parser.set_option_table(self.display_options)
+            parser.print_help(
+                "Information display options (just display "
+                + "information, ignore any commands)"
+            )
+            print('')
+
+        for command in self.commands:
+            if isinstance(command, type) and issubclass(command, Command):
+                klass = command
+            else:
+                klass = self.get_command_class(command)
+            if hasattr(klass, 'help_options') and isinstance(klass.help_options, list):
+                parser.set_option_table(
+                    klass.user_options + fix_help_options(klass.help_options)
+                )
+            else:
+                parser.set_option_table(klass.user_options)
+            parser.print_help("Options for '%s' command:" % klass.__name__)
+            print('')
+
+        print(gen_usage(self.script_name))
+
+    def handle_display_options(self, option_order):
+        """If there were any non-global "display-only" options
+        (--help-commands or the metadata display options) on the command
+        line, display the requested info and return true; else return
+        false.
+        """
+        from distutils.core import gen_usage
+
+        # User just wants a list of commands -- we'll print it out and stop
+        # processing now (ie. if they ran "setup --help-commands foo bar",
+        # we ignore "foo bar").
+        if self.help_commands:
+            self.print_commands()
+            print('')
+            print(gen_usage(self.script_name))
+            return 1
+
+        # If user supplied any of the "display metadata" options, then
+        # display that metadata in the order in which the user supplied the
+        # metadata options.
+        any_display_options = 0
+        is_display_option = {}
+        for option in self.display_options:
+            is_display_option[option[0]] = 1
+
+        for (opt, val) in option_order:
+            if val and is_display_option.get(opt):
+                opt = translate_longopt(opt)
+                value = getattr(self.metadata, "get_" + opt)()
+                if opt in ['keywords', 'platforms']:
+                    print(','.join(value))
+                elif opt in ('classifiers', 'provides', 'requires', 'obsoletes'):
+                    print('\n'.join(value))
+                else:
+                    print(value)
+                any_display_options = 1
+
+        return any_display_options
+
+    def print_command_list(self, commands, header, max_length):
+        """Print a subset of the list of all commands -- used by
+        'print_commands()'.
+        """
+        print(header + ":")
+
+        for cmd in commands:
+            klass = self.cmdclass.get(cmd)
+            if not klass:
+                klass = self.get_command_class(cmd)
+            try:
+                description = klass.description
+            except AttributeError:
+                description = "(no description available)"
+
+            print("  %-*s  %s" % (max_length, cmd, description))
+
+    def print_commands(self):
+        """Print out a help message listing all available commands with a
+        description of each.  The list is divided into "standard commands"
+        (listed in distutils.command.__all__) and "extra commands"
+        (mentioned in self.cmdclass, but not a standard command).  The
+        descriptions come from the command class attribute
+        'description'.
+        """
+        import distutils.command
+
+        std_commands = distutils.command.__all__
+        is_std = {}
+        for cmd in std_commands:
+            is_std[cmd] = 1
+
+        extra_commands = []
+        for cmd in self.cmdclass.keys():
+            if not is_std.get(cmd):
+                extra_commands.append(cmd)
+
+        max_length = 0
+        for cmd in std_commands + extra_commands:
+            if len(cmd) > max_length:
+                max_length = len(cmd)
+
+        self.print_command_list(std_commands, "Standard commands", max_length)
+        if extra_commands:
+            print()
+            self.print_command_list(extra_commands, "Extra commands", max_length)
+
+    def get_command_list(self):
+        """Get a list of (command, description) tuples.
+        The list is divided into "standard commands" (listed in
+        distutils.command.__all__) and "extra commands" (mentioned in
+        self.cmdclass, but not a standard command).  The descriptions come
+        from the command class attribute 'description'.
+        """
+        # Currently this is only used on Mac OS, for the Mac-only GUI
+        # Distutils interface (by Jack Jansen)
+        import distutils.command
+
+        std_commands = distutils.command.__all__
+        is_std = {}
+        for cmd in std_commands:
+            is_std[cmd] = 1
+
+        extra_commands = []
+        for cmd in self.cmdclass.keys():
+            if not is_std.get(cmd):
+                extra_commands.append(cmd)
+
+        rv = []
+        for cmd in std_commands + extra_commands:
+            klass = self.cmdclass.get(cmd)
+            if not klass:
+                klass = self.get_command_class(cmd)
+            try:
+                description = klass.description
+            except AttributeError:
+                description = "(no description available)"
+            rv.append((cmd, description))
+        return rv
+
+    # -- Command class/object methods ----------------------------------
+
+    def get_command_packages(self):
+        """Return a list of packages from which commands are loaded."""
+        pkgs = self.command_packages
+        if not isinstance(pkgs, list):
+            if pkgs is None:
+                pkgs = ''
+            pkgs = [pkg.strip() for pkg in pkgs.split(',') if pkg != '']
+            if "distutils.command" not in pkgs:
+                pkgs.insert(0, "distutils.command")
+            self.command_packages = pkgs
+        return pkgs
+
+    def get_command_class(self, command):
+        """Return the class that implements the Distutils command named by
+        'command'.  First we check the 'cmdclass' dictionary; if the
+        command is mentioned there, we fetch the class object from the
+        dictionary and return it.  Otherwise we load the command module
+        ("distutils.command." + command) and fetch the command class from
+        the module.  The loaded class is also stored in 'cmdclass'
+        to speed future calls to 'get_command_class()'.
+
+        Raises DistutilsModuleError if the expected module could not be
+        found, or if that module does not define the expected class.
+        """
+        klass = self.cmdclass.get(command)
+        if klass:
+            return klass
+
+        for pkgname in self.get_command_packages():
+            module_name = "{}.{}".format(pkgname, command)
+            klass_name = command
+
+            try:
+                __import__(module_name)
+                module = sys.modules[module_name]
+            except ImportError:
+                continue
+
+            try:
+                klass = getattr(module, klass_name)
+            except AttributeError:
+                raise DistutilsModuleError(
+                    "invalid command '%s' (no class '%s' in module '%s')"
+                    % (command, klass_name, module_name)
+                )
+
+            self.cmdclass[command] = klass
+            return klass
+
+        raise DistutilsModuleError("invalid command '%s'" % command)
+
+    def get_command_obj(self, command, create=1):
+        """Return the command object for 'command'.  Normally this object
+        is cached on a previous call to 'get_command_obj()'; if no command
+        object for 'command' is in the cache, then we either create and
+        return it (if 'create' is true) or return None.
+        """
+        cmd_obj = self.command_obj.get(command)
+        if not cmd_obj and create:
+            if DEBUG:
+                self.announce(
+                    "Distribution.get_command_obj(): "
+                    "creating '%s' command object" % command
+                )
+
+            klass = self.get_command_class(command)
+            cmd_obj = self.command_obj[command] = klass(self)
+            self.have_run[command] = 0
+
+            # Set any options that were supplied in config files
+            # or on the command line.  (NB. support for error
+            # reporting is lame here: any errors aren't reported
+            # until 'finalize_options()' is called, which means
+            # we won't report the source of the error.)
+            options = self.command_options.get(command)
+            if options:
+                self._set_command_options(cmd_obj, options)
+
+        return cmd_obj
+
+    def _set_command_options(self, command_obj, option_dict=None):  # noqa: C901
+        """Set the options for 'command_obj' from 'option_dict'.  Basically
+        this means copying elements of a dictionary ('option_dict') to
+        attributes of an instance ('command').
+
+        'command_obj' must be a Command instance.  If 'option_dict' is not
+        supplied, uses the standard option dictionary for this command
+        (from 'self.command_options').
+        """
+        command_name = command_obj.get_command_name()
+        if option_dict is None:
+            option_dict = self.get_option_dict(command_name)
+
+        if DEBUG:
+            self.announce("  setting options for '%s' command:" % command_name)
+        for (option, (source, value)) in option_dict.items():
+            if DEBUG:
+                self.announce("    {} = {} (from {})".format(option, value, source))
+            try:
+                bool_opts = [translate_longopt(o) for o in command_obj.boolean_options]
+            except AttributeError:
+                bool_opts = []
+            try:
+                neg_opt = command_obj.negative_opt
+            except AttributeError:
+                neg_opt = {}
+
+            try:
+                is_string = isinstance(value, str)
+                if option in neg_opt and is_string:
+                    setattr(command_obj, neg_opt[option], not strtobool(value))
+                elif option in bool_opts and is_string:
+                    setattr(command_obj, option, strtobool(value))
+                elif hasattr(command_obj, option):
+                    setattr(command_obj, option, value)
+                else:
+                    raise DistutilsOptionError(
+                        "error in %s: command '%s' has no such option '%s'"
+                        % (source, command_name, option)
+                    )
+            except ValueError as msg:
+                raise DistutilsOptionError(msg)
+
+    def reinitialize_command(self, command, reinit_subcommands=0):
+        """Reinitializes a command to the state it was in when first
+        returned by 'get_command_obj()': ie., initialized but not yet
+        finalized.  This provides the opportunity to sneak option
+        values in programmatically, overriding or supplementing
+        user-supplied values from the config files and command line.
+        You'll have to re-finalize the command object (by calling
+        'finalize_options()' or 'ensure_finalized()') before using it for
+        real.
+
+        'command' should be a command name (string) or command object.  If
+        'reinit_subcommands' is true, also reinitializes the command's
+        sub-commands, as declared by the 'sub_commands' class attribute (if
+        it has one).  See the "install" command for an example.  Only
+        reinitializes the sub-commands that actually matter, ie. those
+        whose test predicates return true.
+
+        Returns the reinitialized command object.
+        """
+        from distutils.cmd import Command
+
+        if not isinstance(command, Command):
+            command_name = command
+            command = self.get_command_obj(command_name)
+        else:
+            command_name = command.get_command_name()
+
+        if not command.finalized:
+            return command
+        command.initialize_options()
+        command.finalized = 0
+        self.have_run[command_name] = 0
+        self._set_command_options(command)
+
+        if reinit_subcommands:
+            for sub in command.get_sub_commands():
+                self.reinitialize_command(sub, reinit_subcommands)
+
+        return command
+
+    # -- Methods that operate on the Distribution ----------------------
+
+    def announce(self, msg, level=log.INFO):
+        log.log(level, msg)
+
+    def run_commands(self):
+        """Run each command that was seen on the setup script command line.
+        Uses the list of commands found and cache of command objects
+        created by 'get_command_obj()'.
+        """
+        for cmd in self.commands:
+            self.run_command(cmd)
+
+    # -- Methods that operate on its Commands --------------------------
+
+    def run_command(self, command):
+        """Do whatever it takes to run a command (including nothing at all,
+        if the command has already been run).  Specifically: if we have
+        already created and run the command named by 'command', return
+        silently without doing anything.  If the command named by 'command'
+        doesn't even have a command object yet, create one.  Then invoke
+        'run()' on that command object (or an existing one).
+        """
+        # Already been here, done that? then return silently.
+        if self.have_run.get(command):
+            return
+
+        log.info("running %s", command)
+        cmd_obj = self.get_command_obj(command)
+        cmd_obj.ensure_finalized()
+        cmd_obj.run()
+        self.have_run[command] = 1
+
+    # -- Distribution query methods ------------------------------------
+
+    def has_pure_modules(self):
+        return len(self.packages or self.py_modules or []) > 0
+
+    def has_ext_modules(self):
+        return self.ext_modules and len(self.ext_modules) > 0
+
+    def has_c_libraries(self):
+        return self.libraries and len(self.libraries) > 0
+
+    def has_modules(self):
+        return self.has_pure_modules() or self.has_ext_modules()
+
+    def has_headers(self):
+        return self.headers and len(self.headers) > 0
+
+    def has_scripts(self):
+        return self.scripts and len(self.scripts) > 0
+
+    def has_data_files(self):
+        return self.data_files and len(self.data_files) > 0
+
+    def is_pure(self):
+        return (
+            self.has_pure_modules()
+            and not self.has_ext_modules()
+            and not self.has_c_libraries()
+        )
+
+    # -- Metadata query methods ----------------------------------------
+
+    # If you're looking for 'get_name()', 'get_version()', and so forth,
+    # they are defined in a sneaky way: the constructor binds self.get_XXX
+    # to self.metadata.get_XXX.  The actual code is in the
+    # DistributionMetadata class, below.
+
+
+class DistributionMetadata:
+    """Dummy class to hold the distribution meta-data: name, version,
+    author, and so forth.
+    """
+
+    _METHOD_BASENAMES = (
+        "name",
+        "version",
+        "author",
+        "author_email",
+        "maintainer",
+        "maintainer_email",
+        "url",
+        "license",
+        "description",
+        "long_description",
+        "keywords",
+        "platforms",
+        "fullname",
+        "contact",
+        "contact_email",
+        "classifiers",
+        "download_url",
+        # PEP 314
+        "provides",
+        "requires",
+        "obsoletes",
+    )
+
+    def __init__(self, path=None):
+        if path is not None:
+            self.read_pkg_file(open(path))
+        else:
+            self.name = None
+            self.version = None
+            self.author = None
+            self.author_email = None
+            self.maintainer = None
+            self.maintainer_email = None
+            self.url = None
+            self.license = None
+            self.description = None
+            self.long_description = None
+            self.keywords = None
+            self.platforms = None
+            self.classifiers = None
+            self.download_url = None
+            # PEP 314
+            self.provides = None
+            self.requires = None
+            self.obsoletes = None
+
+    def read_pkg_file(self, file):
+        """Reads the metadata values from a file object."""
+        msg = message_from_file(file)
+
+        def _read_field(name):
+            value = msg[name]
+            if value and value != "UNKNOWN":
+                return value
+
+        def _read_list(name):
+            values = msg.get_all(name, None)
+            if values == []:
+                return None
+            return values
+
+        metadata_version = msg['metadata-version']
+        self.name = _read_field('name')
+        self.version = _read_field('version')
+        self.description = _read_field('summary')
+        # we are filling author only.
+        self.author = _read_field('author')
+        self.maintainer = None
+        self.author_email = _read_field('author-email')
+        self.maintainer_email = None
+        self.url = _read_field('home-page')
+        self.license = _read_field('license')
+
+        if 'download-url' in msg:
+            self.download_url = _read_field('download-url')
+        else:
+            self.download_url = None
+
+        self.long_description = _read_field('description')
+        self.description = _read_field('summary')
+
+        if 'keywords' in msg:
+            self.keywords = _read_field('keywords').split(',')
+
+        self.platforms = _read_list('platform')
+        self.classifiers = _read_list('classifier')
+
+        # PEP 314 - these fields only exist in 1.1
+        if metadata_version == '1.1':
+            self.requires = _read_list('requires')
+            self.provides = _read_list('provides')
+            self.obsoletes = _read_list('obsoletes')
+        else:
+            self.requires = None
+            self.provides = None
+            self.obsoletes = None
+
+    def write_pkg_info(self, base_dir):
+        """Write the PKG-INFO file into the release tree."""
+        with open(
+            os.path.join(base_dir, 'PKG-INFO'), 'w', encoding='UTF-8'
+        ) as pkg_info:
+            self.write_pkg_file(pkg_info)
+
+    def write_pkg_file(self, file):
+        """Write the PKG-INFO format data to a file object."""
+        version = '1.0'
+        if (
+            self.provides
+            or self.requires
+            or self.obsoletes
+            or self.classifiers
+            or self.download_url
+        ):
+            version = '1.1'
+
+        # required fields
+        file.write('Metadata-Version: %s\n' % version)
+        file.write('Name: %s\n' % self.get_name())
+        file.write('Version: %s\n' % self.get_version())
+
+        def maybe_write(header, val):
+            if val:
+                file.write(f"{header}: {val}\n")
+
+        # optional fields
+        maybe_write("Summary", self.get_description())
+        maybe_write("Home-page", self.get_url())
+        maybe_write("Author", self.get_contact())
+        maybe_write("Author-email", self.get_contact_email())
+        maybe_write("License", self.get_license())
+        maybe_write("Download-URL", self.download_url)
+        maybe_write("Description", rfc822_escape(self.get_long_description() or ""))
+        maybe_write("Keywords", ",".join(self.get_keywords()))
+
+        self._write_list(file, 'Platform', self.get_platforms())
+        self._write_list(file, 'Classifier', self.get_classifiers())
+
+        # PEP 314
+        self._write_list(file, 'Requires', self.get_requires())
+        self._write_list(file, 'Provides', self.get_provides())
+        self._write_list(file, 'Obsoletes', self.get_obsoletes())
+
+    def _write_list(self, file, name, values):
+        values = values or []
+        for value in values:
+            file.write('{}: {}\n'.format(name, value))
+
+    # -- Metadata query methods ----------------------------------------
+
+    def get_name(self):
+        return self.name or "UNKNOWN"
+
+    def get_version(self):
+        return self.version or "0.0.0"
+
+    def get_fullname(self):
+        return "{}-{}".format(self.get_name(), self.get_version())
+
+    def get_author(self):
+        return self.author
+
+    def get_author_email(self):
+        return self.author_email
+
+    def get_maintainer(self):
+        return self.maintainer
+
+    def get_maintainer_email(self):
+        return self.maintainer_email
+
+    def get_contact(self):
+        return self.maintainer or self.author
+
+    def get_contact_email(self):
+        return self.maintainer_email or self.author_email
+
+    def get_url(self):
+        return self.url
+
+    def get_license(self):
+        return self.license
+
+    get_licence = get_license
+
+    def get_description(self):
+        return self.description
+
+    def get_long_description(self):
+        return self.long_description
+
+    def get_keywords(self):
+        return self.keywords or []
+
+    def set_keywords(self, value):
+        self.keywords = _ensure_list(value, 'keywords')
+
+    def get_platforms(self):
+        return self.platforms
+
+    def set_platforms(self, value):
+        self.platforms = _ensure_list(value, 'platforms')
+
+    def get_classifiers(self):
+        return self.classifiers or []
+
+    def set_classifiers(self, value):
+        self.classifiers = _ensure_list(value, 'classifiers')
+
+    def get_download_url(self):
+        return self.download_url
+
+    # PEP 314
+    def get_requires(self):
+        return self.requires or []
+
+    def set_requires(self, value):
+        import distutils.versionpredicate
+
+        for v in value:
+            distutils.versionpredicate.VersionPredicate(v)
+        self.requires = list(value)
+
+    def get_provides(self):
+        return self.provides or []
+
+    def set_provides(self, value):
+        value = [v.strip() for v in value]
+        for v in value:
+            import distutils.versionpredicate
+
+            distutils.versionpredicate.split_provision(v)
+        self.provides = value
+
+    def get_obsoletes(self):
+        return self.obsoletes or []
+
+    def set_obsoletes(self, value):
+        import distutils.versionpredicate
+
+        for v in value:
+            distutils.versionpredicate.VersionPredicate(v)
+        self.obsoletes = list(value)
+
+
+def fix_help_options(options):
+    """Convert a 4-tuple 'help_options' list as found in various command
+    classes to the 3-tuple form required by FancyGetopt.
+    """
+    new_options = []
+    for help_tuple in options:
+        new_options.append(help_tuple[0:3])
+    return new_options
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/errors.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/errors.py
new file mode 100644
index 00000000..626254c3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/errors.py
@@ -0,0 +1,127 @@
+"""distutils.errors
+
+Provides exceptions used by the Distutils modules.  Note that Distutils
+modules may raise standard exceptions; in particular, SystemExit is
+usually raised for errors that are obviously the end-user's fault
+(eg. bad command-line arguments).
+
+This module is safe to use in "from ... import *" mode; it only exports
+symbols whose names start with "Distutils" and end with "Error"."""
+
+
+class DistutilsError(Exception):
+    """The root of all Distutils evil."""
+
+    pass
+
+
+class DistutilsModuleError(DistutilsError):
+    """Unable to load an expected module, or to find an expected class
+    within some module (in particular, command modules and classes)."""
+
+    pass
+
+
+class DistutilsClassError(DistutilsError):
+    """Some command class (or possibly distribution class, if anyone
+    feels a need to subclass Distribution) is found not to be holding
+    up its end of the bargain, ie. implementing some part of the
+    "command "interface."""
+
+    pass
+
+
+class DistutilsGetoptError(DistutilsError):
+    """The option table provided to 'fancy_getopt()' is bogus."""
+
+    pass
+
+
+class DistutilsArgError(DistutilsError):
+    """Raised by fancy_getopt in response to getopt.error -- ie. an
+    error in the command line usage."""
+
+    pass
+
+
+class DistutilsFileError(DistutilsError):
+    """Any problems in the filesystem: expected file not found, etc.
+    Typically this is for problems that we detect before OSError
+    could be raised."""
+
+    pass
+
+
+class DistutilsOptionError(DistutilsError):
+    """Syntactic/semantic errors in command options, such as use of
+    mutually conflicting options, or inconsistent options,
+    badly-spelled values, etc.  No distinction is made between option
+    values originating in the setup script, the command line, config
+    files, or what-have-you -- but if we *know* something originated in
+    the setup script, we'll raise DistutilsSetupError instead."""
+
+    pass
+
+
+class DistutilsSetupError(DistutilsError):
+    """For errors that can be definitely blamed on the setup script,
+    such as invalid keyword arguments to 'setup()'."""
+
+    pass
+
+
+class DistutilsPlatformError(DistutilsError):
+    """We don't know how to do something on the current platform (but
+    we do know how to do it on some platform) -- eg. trying to compile
+    C files on a platform not supported by a CCompiler subclass."""
+
+    pass
+
+
+class DistutilsExecError(DistutilsError):
+    """Any problems executing an external program (such as the C
+    compiler, when compiling C files)."""
+
+    pass
+
+
+class DistutilsInternalError(DistutilsError):
+    """Internal inconsistencies or impossibilities (obviously, this
+    should never be seen if the code is working!)."""
+
+    pass
+
+
+class DistutilsTemplateError(DistutilsError):
+    """Syntax error in a file list template."""
+
+
+class DistutilsByteCompileError(DistutilsError):
+    """Byte compile error."""
+
+
+# Exception classes used by the CCompiler implementation classes
+class CCompilerError(Exception):
+    """Some compile/link operation failed."""
+
+
+class PreprocessError(CCompilerError):
+    """Failure to preprocess one or more C/C++ files."""
+
+
+class CompileError(CCompilerError):
+    """Failure to compile one or more C/C++ source files."""
+
+
+class LibError(CCompilerError):
+    """Failure to create a static library from one or more C/C++ object
+    files."""
+
+
+class LinkError(CCompilerError):
+    """Failure to link one or more C/C++ object files into an executable
+    or shared library file."""
+
+
+class UnknownFileError(CCompilerError):
+    """Attempt to process an unknown file type."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/extension.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/extension.py
new file mode 100644
index 00000000..6b8575de
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/extension.py
@@ -0,0 +1,248 @@
+"""distutils.extension
+
+Provides the Extension class, used to describe C/C++ extension
+modules in setup scripts."""
+
+import os
+import warnings
+
+# This class is really only used by the "build_ext" command, so it might
+# make sense to put it in distutils.command.build_ext.  However, that
+# module is already big enough, and I want to make this class a bit more
+# complex to simplify some common cases ("foo" module in "foo.c") and do
+# better error-checking ("foo.c" actually exists).
+#
+# Also, putting this in build_ext.py means every setup script would have to
+# import that large-ish module (indirectly, through distutils.core) in
+# order to do anything.
+
+
+class Extension:
+    """Just a collection of attributes that describes an extension
+    module and everything needed to build it (hopefully in a portable
+    way, but there are hooks that let you be as unportable as you need).
+
+    Instance attributes:
+      name : string
+        the full name of the extension, including any packages -- ie.
+        *not* a filename or pathname, but Python dotted name
+      sources : [string]
+        list of source filenames, relative to the distribution root
+        (where the setup script lives), in Unix form (slash-separated)
+        for portability.  Source files may be C, C++, SWIG (.i),
+        platform-specific resource files, or whatever else is recognized
+        by the "build_ext" command as source for a Python extension.
+      include_dirs : [string]
+        list of directories to search for C/C++ header files (in Unix
+        form for portability)
+      define_macros : [(name : string, value : string|None)]
+        list of macros to define; each macro is defined using a 2-tuple,
+        where 'value' is either the string to define it to or None to
+        define it without a particular value (equivalent of "#define
+        FOO" in source or -DFOO on Unix C compiler command line)
+      undef_macros : [string]
+        list of macros to undefine explicitly
+      library_dirs : [string]
+        list of directories to search for C/C++ libraries at link time
+      libraries : [string]
+        list of library names (not filenames or paths) to link against
+      runtime_library_dirs : [string]
+        list of directories to search for C/C++ libraries at run time
+        (for shared extensions, this is when the extension is loaded)
+      extra_objects : [string]
+        list of extra files to link with (eg. object files not implied
+        by 'sources', static library that must be explicitly specified,
+        binary resource files, etc.)
+      extra_compile_args : [string]
+        any extra platform- and compiler-specific information to use
+        when compiling the source files in 'sources'.  For platforms and
+        compilers where "command line" makes sense, this is typically a
+        list of command-line arguments, but for other platforms it could
+        be anything.
+      extra_link_args : [string]
+        any extra platform- and compiler-specific information to use
+        when linking object files together to create the extension (or
+        to create a new static Python interpreter).  Similar
+        interpretation as for 'extra_compile_args'.
+      export_symbols : [string]
+        list of symbols to be exported from a shared extension.  Not
+        used on all platforms, and not generally necessary for Python
+        extensions, which typically export exactly one symbol: "init" +
+        extension_name.
+      swig_opts : [string]
+        any extra options to pass to SWIG if a source file has the .i
+        extension.
+      depends : [string]
+        list of files that the extension depends on
+      language : string
+        extension language (i.e. "c", "c++", "objc"). Will be detected
+        from the source extensions if not provided.
+      optional : boolean
+        specifies that a build failure in the extension should not abort the
+        build process, but simply not install the failing extension.
+    """
+
+    # When adding arguments to this constructor, be sure to update
+    # setup_keywords in core.py.
+    def __init__(
+        self,
+        name,
+        sources,
+        include_dirs=None,
+        define_macros=None,
+        undef_macros=None,
+        library_dirs=None,
+        libraries=None,
+        runtime_library_dirs=None,
+        extra_objects=None,
+        extra_compile_args=None,
+        extra_link_args=None,
+        export_symbols=None,
+        swig_opts=None,
+        depends=None,
+        language=None,
+        optional=None,
+        **kw  # To catch unknown keywords
+    ):
+        if not isinstance(name, str):
+            raise AssertionError("'name' must be a string")
+        if not (isinstance(sources, list) and all(isinstance(v, str) for v in sources)):
+            raise AssertionError("'sources' must be a list of strings")
+
+        self.name = name
+        self.sources = sources
+        self.include_dirs = include_dirs or []
+        self.define_macros = define_macros or []
+        self.undef_macros = undef_macros or []
+        self.library_dirs = library_dirs or []
+        self.libraries = libraries or []
+        self.runtime_library_dirs = runtime_library_dirs or []
+        self.extra_objects = extra_objects or []
+        self.extra_compile_args = extra_compile_args or []
+        self.extra_link_args = extra_link_args or []
+        self.export_symbols = export_symbols or []
+        self.swig_opts = swig_opts or []
+        self.depends = depends or []
+        self.language = language
+        self.optional = optional
+
+        # If there are unknown keyword options, warn about them
+        if len(kw) > 0:
+            options = [repr(option) for option in kw]
+            options = ', '.join(sorted(options))
+            msg = "Unknown Extension options: %s" % options
+            warnings.warn(msg)
+
+    def __repr__(self):
+        return '<{}.{}({!r}) at {:#x}>'.format(
+            self.__class__.__module__,
+            self.__class__.__qualname__,
+            self.name,
+            id(self),
+        )
+
+
+def read_setup_file(filename):  # noqa: C901
+    """Reads a Setup file and returns Extension instances."""
+    from distutils.sysconfig import parse_makefile, expand_makefile_vars, _variable_rx
+
+    from distutils.text_file import TextFile
+    from distutils.util import split_quoted
+
+    # First pass over the file to gather "VAR = VALUE" assignments.
+    vars = parse_makefile(filename)
+
+    # Second pass to gobble up the real content: lines of the form
+    #   <module> ... [<sourcefile> ...] [<cpparg> ...] [<library> ...]
+    file = TextFile(
+        filename,
+        strip_comments=1,
+        skip_blanks=1,
+        join_lines=1,
+        lstrip_ws=1,
+        rstrip_ws=1,
+    )
+    try:
+        extensions = []
+
+        while True:
+            line = file.readline()
+            if line is None:  # eof
+                break
+            if _variable_rx.match(line):  # VAR=VALUE, handled in first pass
+                continue
+
+            if line[0] == line[-1] == "*":
+                file.warn("'%s' lines not handled yet" % line)
+                continue
+
+            line = expand_makefile_vars(line, vars)
+            words = split_quoted(line)
+
+            # NB. this parses a slightly different syntax than the old
+            # makesetup script: here, there must be exactly one extension per
+            # line, and it must be the first word of the line.  I have no idea
+            # why the old syntax supported multiple extensions per line, as
+            # they all wind up being the same.
+
+            module = words[0]
+            ext = Extension(module, [])
+            append_next_word = None
+
+            for word in words[1:]:
+                if append_next_word is not None:
+                    append_next_word.append(word)
+                    append_next_word = None
+                    continue
+
+                suffix = os.path.splitext(word)[1]
+                switch = word[0:2]
+                value = word[2:]
+
+                if suffix in (".c", ".cc", ".cpp", ".cxx", ".c++", ".m", ".mm"):
+                    # hmm, should we do something about C vs. C++ sources?
+                    # or leave it up to the CCompiler implementation to
+                    # worry about?
+                    ext.sources.append(word)
+                elif switch == "-I":
+                    ext.include_dirs.append(value)
+                elif switch == "-D":
+                    equals = value.find("=")
+                    if equals == -1:  # bare "-DFOO" -- no value
+                        ext.define_macros.append((value, None))
+                    else:  # "-DFOO=blah"
+                        ext.define_macros.append((value[0:equals], value[equals + 2 :]))
+                elif switch == "-U":
+                    ext.undef_macros.append(value)
+                elif switch == "-C":  # only here 'cause makesetup has it!
+                    ext.extra_compile_args.append(word)
+                elif switch == "-l":
+                    ext.libraries.append(value)
+                elif switch == "-L":
+                    ext.library_dirs.append(value)
+                elif switch == "-R":
+                    ext.runtime_library_dirs.append(value)
+                elif word == "-rpath":
+                    append_next_word = ext.runtime_library_dirs
+                elif word == "-Xlinker":
+                    append_next_word = ext.extra_link_args
+                elif word == "-Xcompiler":
+                    append_next_word = ext.extra_compile_args
+                elif switch == "-u":
+                    ext.extra_link_args.append(word)
+                    if not value:
+                        append_next_word = ext.extra_link_args
+                elif suffix in (".a", ".so", ".sl", ".o", ".dylib"):
+                    # NB. a really faithful emulation of makesetup would
+                    # append a .o file to extra_objects only if it
+                    # had a slash in it; otherwise, it would s/.o/.c/
+                    # and append it to sources.  Hmmmm.
+                    ext.extra_objects.append(word)
+                else:
+                    file.warn("unrecognized argument '%s'" % word)
+
+            extensions.append(ext)
+    finally:
+        file.close()
+
+    return extensions
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/fancy_getopt.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/fancy_getopt.py
new file mode 100644
index 00000000..830f047e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/fancy_getopt.py
@@ -0,0 +1,470 @@
+"""distutils.fancy_getopt
+
+Wrapper around the standard getopt module that provides the following
+additional features:
+  * short and long options are tied together
+  * options have help strings, so fancy_getopt could potentially
+    create a complete usage summary
+  * options set attributes of a passed-in object
+"""
+
+import sys
+import string
+import re
+import getopt
+from distutils.errors import DistutilsGetoptError, DistutilsArgError
+
+# Much like command_re in distutils.core, this is close to but not quite
+# the same as a Python NAME -- except, in the spirit of most GNU
+# utilities, we use '-' in place of '_'.  (The spirit of LISP lives on!)
+# The similarities to NAME are again not a coincidence...
+longopt_pat = r'[a-zA-Z](?:[a-zA-Z0-9-]*)'
+longopt_re = re.compile(r'^%s$' % longopt_pat)
+
+# For recognizing "negative alias" options, eg. "quiet=!verbose"
+neg_alias_re = re.compile("^({})=!({})$".format(longopt_pat, longopt_pat))
+
+# This is used to translate long options to legitimate Python identifiers
+# (for use as attributes of some object).
+longopt_xlate = str.maketrans('-', '_')
+
+
+class FancyGetopt:
+    """Wrapper around the standard 'getopt()' module that provides some
+    handy extra functionality:
+      * short and long options are tied together
+      * options have help strings, and help text can be assembled
+        from them
+      * options set attributes of a passed-in object
+      * boolean options can have "negative aliases" -- eg. if
+        --quiet is the "negative alias" of --verbose, then "--quiet"
+        on the command line sets 'verbose' to false
+    """
+
+    def __init__(self, option_table=None):
+        # The option table is (currently) a list of tuples.  The
+        # tuples may have 3 or four values:
+        #   (long_option, short_option, help_string [, repeatable])
+        # if an option takes an argument, its long_option should have '='
+        # appended; short_option should just be a single character, no ':'
+        # in any case.  If a long_option doesn't have a corresponding
+        # short_option, short_option should be None.  All option tuples
+        # must have long options.
+        self.option_table = option_table
+
+        # 'option_index' maps long option names to entries in the option
+        # table (ie. those 3-tuples).
+        self.option_index = {}
+        if self.option_table:
+            self._build_index()
+
+        # 'alias' records (duh) alias options; {'foo': 'bar'} means
+        # --foo is an alias for --bar
+        self.alias = {}
+
+        # 'negative_alias' keeps track of options that are the boolean
+        # opposite of some other option
+        self.negative_alias = {}
+
+        # These keep track of the information in the option table.  We
+        # don't actually populate these structures until we're ready to
+        # parse the command-line, since the 'option_table' passed in here
+        # isn't necessarily the final word.
+        self.short_opts = []
+        self.long_opts = []
+        self.short2long = {}
+        self.attr_name = {}
+        self.takes_arg = {}
+
+        # And 'option_order' is filled up in 'getopt()'; it records the
+        # original order of options (and their values) on the command-line,
+        # but expands short options, converts aliases, etc.
+        self.option_order = []
+
+    def _build_index(self):
+        self.option_index.clear()
+        for option in self.option_table:
+            self.option_index[option[0]] = option
+
+    def set_option_table(self, option_table):
+        self.option_table = option_table
+        self._build_index()
+
+    def add_option(self, long_option, short_option=None, help_string=None):
+        if long_option in self.option_index:
+            raise DistutilsGetoptError(
+                "option conflict: already an option '%s'" % long_option
+            )
+        else:
+            option = (long_option, short_option, help_string)
+            self.option_table.append(option)
+            self.option_index[long_option] = option
+
+    def has_option(self, long_option):
+        """Return true if the option table for this parser has an
+        option with long name 'long_option'."""
+        return long_option in self.option_index
+
+    def get_attr_name(self, long_option):
+        """Translate long option name 'long_option' to the form it
+        has as an attribute of some object: ie., translate hyphens
+        to underscores."""
+        return long_option.translate(longopt_xlate)
+
+    def _check_alias_dict(self, aliases, what):
+        assert isinstance(aliases, dict)
+        for (alias, opt) in aliases.items():
+            if alias not in self.option_index:
+                raise DistutilsGetoptError(
+                    ("invalid %s '%s': " "option '%s' not defined")
+                    % (what, alias, alias)
+                )
+            if opt not in self.option_index:
+                raise DistutilsGetoptError(
+                    ("invalid %s '%s': " "aliased option '%s' not defined")
+                    % (what, alias, opt)
+                )
+
+    def set_aliases(self, alias):
+        """Set the aliases for this option parser."""
+        self._check_alias_dict(alias, "alias")
+        self.alias = alias
+
+    def set_negative_aliases(self, negative_alias):
+        """Set the negative aliases for this option parser.
+        'negative_alias' should be a dictionary mapping option names to
+        option names, both the key and value must already be defined
+        in the option table."""
+        self._check_alias_dict(negative_alias, "negative alias")
+        self.negative_alias = negative_alias
+
+    def _grok_option_table(self):  # noqa: C901
+        """Populate the various data structures that keep tabs on the
+        option table.  Called by 'getopt()' before it can do anything
+        worthwhile.
+        """
+        self.long_opts = []
+        self.short_opts = []
+        self.short2long.clear()
+        self.repeat = {}
+
+        for option in self.option_table:
+            if len(option) == 3:
+                long, short, help = option
+                repeat = 0
+            elif len(option) == 4:
+                long, short, help, repeat = option
+            else:
+                # the option table is part of the code, so simply
+                # assert that it is correct
+                raise ValueError("invalid option tuple: {!r}".format(option))
+
+            # Type- and value-check the option names
+            if not isinstance(long, str) or len(long) < 2:
+                raise DistutilsGetoptError(
+                    ("invalid long option '%s': " "must be a string of length >= 2")
+                    % long
+                )
+
+            if not ((short is None) or (isinstance(short, str) and len(short) == 1)):
+                raise DistutilsGetoptError(
+                    "invalid short option '%s': "
+                    "must a single character or None" % short
+                )
+
+            self.repeat[long] = repeat
+            self.long_opts.append(long)
+
+            if long[-1] == '=':  # option takes an argument?
+                if short:
+                    short = short + ':'
+                long = long[0:-1]
+                self.takes_arg[long] = 1
+            else:
+                # Is option is a "negative alias" for some other option (eg.
+                # "quiet" == "!verbose")?
+                alias_to = self.negative_alias.get(long)
+                if alias_to is not None:
+                    if self.takes_arg[alias_to]:
+                        raise DistutilsGetoptError(
+                            "invalid negative alias '%s': "
+                            "aliased option '%s' takes a value" % (long, alias_to)
+                        )
+
+                    self.long_opts[-1] = long  # XXX redundant?!
+                self.takes_arg[long] = 0
+
+            # If this is an alias option, make sure its "takes arg" flag is
+            # the same as the option it's aliased to.
+            alias_to = self.alias.get(long)
+            if alias_to is not None:
+                if self.takes_arg[long] != self.takes_arg[alias_to]:
+                    raise DistutilsGetoptError(
+                        "invalid alias '%s': inconsistent with "
+                        "aliased option '%s' (one of them takes a value, "
+                        "the other doesn't" % (long, alias_to)
+                    )
+
+            # Now enforce some bondage on the long option name, so we can
+            # later translate it to an attribute name on some object.  Have
+            # to do this a bit late to make sure we've removed any trailing
+            # '='.
+            if not longopt_re.match(long):
+                raise DistutilsGetoptError(
+                    "invalid long option name '%s' "
+                    "(must be letters, numbers, hyphens only" % long
+                )
+
+            self.attr_name[long] = self.get_attr_name(long)
+            if short:
+                self.short_opts.append(short)
+                self.short2long[short[0]] = long
+
+    def getopt(self, args=None, object=None):  # noqa: C901
+        """Parse command-line options in args. Store as attributes on object.
+
+        If 'args' is None or not supplied, uses 'sys.argv[1:]'.  If
+        'object' is None or not supplied, creates a new OptionDummy
+        object, stores option values there, and returns a tuple (args,
+        object).  If 'object' is supplied, it is modified in place and
+        'getopt()' just returns 'args'; in both cases, the returned
+        'args' is a modified copy of the passed-in 'args' list, which
+        is left untouched.
+        """
+        if args is None:
+            args = sys.argv[1:]
+        if object is None:
+            object = OptionDummy()
+            created_object = True
+        else:
+            created_object = False
+
+        self._grok_option_table()
+
+        short_opts = ' '.join(self.short_opts)
+        try:
+            opts, args = getopt.getopt(args, short_opts, self.long_opts)
+        except getopt.error as msg:
+            raise DistutilsArgError(msg)
+
+        for opt, val in opts:
+            if len(opt) == 2 and opt[0] == '-':  # it's a short option
+                opt = self.short2long[opt[1]]
+            else:
+                assert len(opt) > 2 and opt[:2] == '--'
+                opt = opt[2:]
+
+            alias = self.alias.get(opt)
+            if alias:
+                opt = alias
+
+            if not self.takes_arg[opt]:  # boolean option?
+                assert val == '', "boolean option can't have value"
+                alias = self.negative_alias.get(opt)
+                if alias:
+                    opt = alias
+                    val = 0
+                else:
+                    val = 1
+
+            attr = self.attr_name[opt]
+            # The only repeating option at the moment is 'verbose'.
+            # It has a negative option -q quiet, which should set verbose = 0.
+            if val and self.repeat.get(attr) is not None:
+                val = getattr(object, attr, 0) + 1
+            setattr(object, attr, val)
+            self.option_order.append((opt, val))
+
+        # for opts
+        if created_object:
+            return args, object
+        else:
+            return args
+
+    def get_option_order(self):
+        """Returns the list of (option, value) tuples processed by the
+        previous run of 'getopt()'.  Raises RuntimeError if
+        'getopt()' hasn't been called yet.
+        """
+        if self.option_order is None:
+            raise RuntimeError("'getopt()' hasn't been called yet")
+        else:
+            return self.option_order
+
+    def generate_help(self, header=None):  # noqa: C901
+        """Generate help text (a list of strings, one per suggested line of
+        output) from the option table for this FancyGetopt object.
+        """
+        # Blithely assume the option table is good: probably wouldn't call
+        # 'generate_help()' unless you've already called 'getopt()'.
+
+        # First pass: determine maximum length of long option names
+        max_opt = 0
+        for option in self.option_table:
+            long = option[0]
+            short = option[1]
+            ell = len(long)
+            if long[-1] == '=':
+                ell = ell - 1
+            if short is not None:
+                ell = ell + 5  # " (-x)" where short == 'x'
+            if ell > max_opt:
+                max_opt = ell
+
+        opt_width = max_opt + 2 + 2 + 2  # room for indent + dashes + gutter
+
+        # Typical help block looks like this:
+        #   --foo       controls foonabulation
+        # Help block for longest option looks like this:
+        #   --flimflam  set the flim-flam level
+        # and with wrapped text:
+        #   --flimflam  set the flim-flam level (must be between
+        #               0 and 100, except on Tuesdays)
+        # Options with short names will have the short name shown (but
+        # it doesn't contribute to max_opt):
+        #   --foo (-f)  controls foonabulation
+        # If adding the short option would make the left column too wide,
+        # we push the explanation off to the next line
+        #   --flimflam (-l)
+        #               set the flim-flam level
+        # Important parameters:
+        #   - 2 spaces before option block start lines
+        #   - 2 dashes for each long option name
+        #   - min. 2 spaces between option and explanation (gutter)
+        #   - 5 characters (incl. space) for short option name
+
+        # Now generate lines of help text.  (If 80 columns were good enough
+        # for Jesus, then 78 columns are good enough for me!)
+        line_width = 78
+        text_width = line_width - opt_width
+        big_indent = ' ' * opt_width
+        if header:
+            lines = [header]
+        else:
+            lines = ['Option summary:']
+
+        for option in self.option_table:
+            long, short, help = option[:3]
+            text = wrap_text(help, text_width)
+            if long[-1] == '=':
+                long = long[0:-1]
+
+            # Case 1: no short option at all (makes life easy)
+            if short is None:
+                if text:
+                    lines.append("  --%-*s  %s" % (max_opt, long, text[0]))
+                else:
+                    lines.append("  --%-*s  " % (max_opt, long))
+
+            # Case 2: we have a short option, so we have to include it
+            # just after the long option
+            else:
+                opt_names = "{} (-{})".format(long, short)
+                if text:
+                    lines.append("  --%-*s  %s" % (max_opt, opt_names, text[0]))
+                else:
+                    lines.append("  --%-*s" % opt_names)
+
+            for ell in text[1:]:
+                lines.append(big_indent + ell)
+        return lines
+
+    def print_help(self, header=None, file=None):
+        if file is None:
+            file = sys.stdout
+        for line in self.generate_help(header):
+            file.write(line + "\n")
+
+
+def fancy_getopt(options, negative_opt, object, args):
+    parser = FancyGetopt(options)
+    parser.set_negative_aliases(negative_opt)
+    return parser.getopt(args, object)
+
+
+WS_TRANS = {ord(_wschar): ' ' for _wschar in string.whitespace}
+
+
+def wrap_text(text, width):
+    """wrap_text(text : string, width : int) -> [string]
+
+    Split 'text' into multiple lines of no more than 'width' characters
+    each, and return the list of strings that results.
+    """
+    if text is None:
+        return []
+    if len(text) <= width:
+        return [text]
+
+    text = text.expandtabs()
+    text = text.translate(WS_TRANS)
+    chunks = re.split(r'( +|-+)', text)
+    chunks = [ch for ch in chunks if ch]  # ' - ' results in empty strings
+    lines = []
+
+    while chunks:
+        cur_line = []  # list of chunks (to-be-joined)
+        cur_len = 0  # length of current line
+
+        while chunks:
+            ell = len(chunks[0])
+            if cur_len + ell <= width:  # can squeeze (at least) this chunk in
+                cur_line.append(chunks[0])
+                del chunks[0]
+                cur_len = cur_len + ell
+            else:  # this line is full
+                # drop last chunk if all space
+                if cur_line and cur_line[-1][0] == ' ':
+                    del cur_line[-1]
+                break
+
+        if chunks:  # any chunks left to process?
+            # if the current line is still empty, then we had a single
+            # chunk that's too big too fit on a line -- so we break
+            # down and break it up at the line width
+            if cur_len == 0:
+                cur_line.append(chunks[0][0:width])
+                chunks[0] = chunks[0][width:]
+
+            # all-whitespace chunks at the end of a line can be discarded
+            # (and we know from the re.split above that if a chunk has
+            # *any* whitespace, it is *all* whitespace)
+            if chunks[0][0] == ' ':
+                del chunks[0]
+
+        # and store this line in the list-of-all-lines -- as a single
+        # string, of course!
+        lines.append(''.join(cur_line))
+
+    return lines
+
+
+def translate_longopt(opt):
+    """Convert a long option name to a valid Python identifier by
+    changing "-" to "_".
+    """
+    return opt.translate(longopt_xlate)
+
+
+class OptionDummy:
+    """Dummy class just used as a place to hold command-line option
+    values as instance attributes."""
+
+    def __init__(self, options=[]):
+        """Create a new OptionDummy instance.  The attributes listed in
+        'options' will be initialized to None."""
+        for opt in options:
+            setattr(self, opt, None)
+
+
+if __name__ == "__main__":
+    text = """\
+Tra-la-la, supercalifragilisticexpialidocious.
+How *do* you spell that odd word, anyways?
+(Someone ask Mary -- she'll know [or she'll
+say, "How should I know?"].)"""
+
+    for w in (10, 20, 30, 40):
+        print("width: %d" % w)
+        print("\n".join(wrap_text(text, w)))
+        print()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/file_util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/file_util.py
new file mode 100644
index 00000000..1f1e444b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/file_util.py
@@ -0,0 +1,249 @@
+"""distutils.file_util
+
+Utility functions for operating on single files.
+"""
+
+import os
+from distutils.errors import DistutilsFileError
+from distutils import log
+
+# for generating verbose output in 'copy_file()'
+_copy_action = {None: 'copying', 'hard': 'hard linking', 'sym': 'symbolically linking'}
+
+
+def _copy_file_contents(src, dst, buffer_size=16 * 1024):  # noqa: C901
+    """Copy the file 'src' to 'dst'; both must be filenames.  Any error
+    opening either file, reading from 'src', or writing to 'dst', raises
+    DistutilsFileError.  Data is read/written in chunks of 'buffer_size'
+    bytes (default 16k).  No attempt is made to handle anything apart from
+    regular files.
+    """
+    # Stolen from shutil module in the standard library, but with
+    # custom error-handling added.
+    fsrc = None
+    fdst = None
+    try:
+        try:
+            fsrc = open(src, 'rb')
+        except OSError as e:
+            raise DistutilsFileError("could not open '{}': {}".format(src, e.strerror))
+
+        if os.path.exists(dst):
+            try:
+                os.unlink(dst)
+            except OSError as e:
+                raise DistutilsFileError(
+                    "could not delete '{}': {}".format(dst, e.strerror)
+                )
+
+        try:
+            fdst = open(dst, 'wb')
+        except OSError as e:
+            raise DistutilsFileError(
+                "could not create '{}': {}".format(dst, e.strerror)
+            )
+
+        while True:
+            try:
+                buf = fsrc.read(buffer_size)
+            except OSError as e:
+                raise DistutilsFileError(
+                    "could not read from '{}': {}".format(src, e.strerror)
+                )
+
+            if not buf:
+                break
+
+            try:
+                fdst.write(buf)
+            except OSError as e:
+                raise DistutilsFileError(
+                    "could not write to '{}': {}".format(dst, e.strerror)
+                )
+    finally:
+        if fdst:
+            fdst.close()
+        if fsrc:
+            fsrc.close()
+
+
+def copy_file(  # noqa: C901
+    src,
+    dst,
+    preserve_mode=1,
+    preserve_times=1,
+    update=0,
+    link=None,
+    verbose=1,
+    dry_run=0,
+):
+    """Copy a file 'src' to 'dst'.  If 'dst' is a directory, then 'src' is
+    copied there with the same name; otherwise, it must be a filename.  (If
+    the file exists, it will be ruthlessly clobbered.)  If 'preserve_mode'
+    is true (the default), the file's mode (type and permission bits, or
+    whatever is analogous on the current platform) is copied.  If
+    'preserve_times' is true (the default), the last-modified and
+    last-access times are copied as well.  If 'update' is true, 'src' will
+    only be copied if 'dst' does not exist, or if 'dst' does exist but is
+    older than 'src'.
+
+    'link' allows you to make hard links (os.link) or symbolic links
+    (os.symlink) instead of copying: set it to "hard" or "sym"; if it is
+    None (the default), files are copied.  Don't set 'link' on systems that
+    don't support it: 'copy_file()' doesn't check if hard or symbolic
+    linking is available. If hardlink fails, falls back to
+    _copy_file_contents().
+
+    Under Mac OS, uses the native file copy function in macostools; on
+    other systems, uses '_copy_file_contents()' to copy file contents.
+
+    Return a tuple (dest_name, copied): 'dest_name' is the actual name of
+    the output file, and 'copied' is true if the file was copied (or would
+    have been copied, if 'dry_run' true).
+    """
+    # XXX if the destination file already exists, we clobber it if
+    # copying, but blow up if linking.  Hmmm.  And I don't know what
+    # macostools.copyfile() does.  Should definitely be consistent, and
+    # should probably blow up if destination exists and we would be
+    # changing it (ie. it's not already a hard/soft link to src OR
+    # (not update) and (src newer than dst).
+
+    from distutils.dep_util import newer
+    from stat import ST_ATIME, ST_MTIME, ST_MODE, S_IMODE
+
+    if not os.path.isfile(src):
+        raise DistutilsFileError(
+            "can't copy '%s': doesn't exist or not a regular file" % src
+        )
+
+    if os.path.isdir(dst):
+        dir = dst
+        dst = os.path.join(dst, os.path.basename(src))
+    else:
+        dir = os.path.dirname(dst)
+
+    if update and not newer(src, dst):
+        if verbose >= 1:
+            log.debug("not copying %s (output up-to-date)", src)
+        return (dst, 0)
+
+    try:
+        action = _copy_action[link]
+    except KeyError:
+        raise ValueError("invalid value '%s' for 'link' argument" % link)
+
+    if verbose >= 1:
+        if os.path.basename(dst) == os.path.basename(src):
+            log.info("%s %s -> %s", action, src, dir)
+        else:
+            log.info("%s %s -> %s", action, src, dst)
+
+    if dry_run:
+        return (dst, 1)
+
+    # If linking (hard or symbolic), use the appropriate system call
+    # (Unix only, of course, but that's the caller's responsibility)
+    elif link == 'hard':
+        if not (os.path.exists(dst) and os.path.samefile(src, dst)):
+            try:
+                os.link(src, dst)
+                return (dst, 1)
+            except OSError:
+                # If hard linking fails, fall back on copying file
+                # (some special filesystems don't support hard linking
+                #  even under Unix, see issue #8876).
+                pass
+    elif link == 'sym':
+        if not (os.path.exists(dst) and os.path.samefile(src, dst)):
+            os.symlink(src, dst)
+            return (dst, 1)
+
+    # Otherwise (non-Mac, not linking), copy the file contents and
+    # (optionally) copy the times and mode.
+    _copy_file_contents(src, dst)
+    if preserve_mode or preserve_times:
+        st = os.stat(src)
+
+        # According to David Ascher <da@ski.org>, utime() should be done
+        # before chmod() (at least under NT).
+        if preserve_times:
+            os.utime(dst, (st[ST_ATIME], st[ST_MTIME]))
+        if preserve_mode:
+            os.chmod(dst, S_IMODE(st[ST_MODE]))
+
+    return (dst, 1)
+
+
+# XXX I suspect this is Unix-specific -- need porting help!
+def move_file(src, dst, verbose=1, dry_run=0):  # noqa: C901
+
+    """Move a file 'src' to 'dst'.  If 'dst' is a directory, the file will
+    be moved into it with the same name; otherwise, 'src' is just renamed
+    to 'dst'.  Return the new full name of the file.
+
+    Handles cross-device moves on Unix using 'copy_file()'.  What about
+    other systems???
+    """
+    from os.path import exists, isfile, isdir, basename, dirname
+    import errno
+
+    if verbose >= 1:
+        log.info("moving %s -> %s", src, dst)
+
+    if dry_run:
+        return dst
+
+    if not isfile(src):
+        raise DistutilsFileError("can't move '%s': not a regular file" % src)
+
+    if isdir(dst):
+        dst = os.path.join(dst, basename(src))
+    elif exists(dst):
+        raise DistutilsFileError(
+            "can't move '{}': destination '{}' already exists".format(src, dst)
+        )
+
+    if not isdir(dirname(dst)):
+        raise DistutilsFileError(
+            "can't move '{}': destination '{}' not a valid path".format(src, dst)
+        )
+
+    copy_it = False
+    try:
+        os.rename(src, dst)
+    except OSError as e:
+        (num, msg) = e.args
+        if num == errno.EXDEV:
+            copy_it = True
+        else:
+            raise DistutilsFileError(
+                "couldn't move '{}' to '{}': {}".format(src, dst, msg)
+            )
+
+    if copy_it:
+        copy_file(src, dst, verbose=verbose)
+        try:
+            os.unlink(src)
+        except OSError as e:
+            (num, msg) = e.args
+            try:
+                os.unlink(dst)
+            except OSError:
+                pass
+            raise DistutilsFileError(
+                "couldn't move '%s' to '%s' by copy/delete: "
+                "delete '%s' failed: %s" % (src, dst, src, msg)
+            )
+    return dst
+
+
+def write_file(filename, contents):
+    """Create a file with the specified name and write 'contents' (a
+    sequence of strings without line terminators) to it.
+    """
+    f = open(filename, "w")
+    try:
+        for line in contents:
+            f.write(line + "\n")
+    finally:
+        f.close()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/filelist.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/filelist.py
new file mode 100644
index 00000000..987931a9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/filelist.py
@@ -0,0 +1,371 @@
+"""distutils.filelist
+
+Provides the FileList class, used for poking about the filesystem
+and building lists of files.
+"""
+
+import os
+import re
+import fnmatch
+import functools
+
+from distutils.util import convert_path
+from distutils.errors import DistutilsTemplateError, DistutilsInternalError
+from distutils import log
+
+
+class FileList:
+    """A list of files built by on exploring the filesystem and filtered by
+    applying various patterns to what we find there.
+
+    Instance attributes:
+      dir
+        directory from which files will be taken -- only used if
+        'allfiles' not supplied to constructor
+      files
+        list of filenames currently being built/filtered/manipulated
+      allfiles
+        complete list of files under consideration (ie. without any
+        filtering applied)
+    """
+
+    def __init__(self, warn=None, debug_print=None):
+        # ignore argument to FileList, but keep them for backwards
+        # compatibility
+        self.allfiles = None
+        self.files = []
+
+    def set_allfiles(self, allfiles):
+        self.allfiles = allfiles
+
+    def findall(self, dir=os.curdir):
+        self.allfiles = findall(dir)
+
+    def debug_print(self, msg):
+        """Print 'msg' to stdout if the global DEBUG (taken from the
+        DISTUTILS_DEBUG environment variable) flag is true.
+        """
+        from distutils.debug import DEBUG
+
+        if DEBUG:
+            print(msg)
+
+    # Collection methods
+
+    def append(self, item):
+        self.files.append(item)
+
+    def extend(self, items):
+        self.files.extend(items)
+
+    def sort(self):
+        # Not a strict lexical sort!
+        sortable_files = sorted(map(os.path.split, self.files))
+        self.files = []
+        for sort_tuple in sortable_files:
+            self.files.append(os.path.join(*sort_tuple))
+
+    # Other miscellaneous utility methods
+
+    def remove_duplicates(self):
+        # Assumes list has been sorted!
+        for i in range(len(self.files) - 1, 0, -1):
+            if self.files[i] == self.files[i - 1]:
+                del self.files[i]
+
+    # "File template" methods
+
+    def _parse_template_line(self, line):
+        words = line.split()
+        action = words[0]
+
+        patterns = dir = dir_pattern = None
+
+        if action in ('include', 'exclude', 'global-include', 'global-exclude'):
+            if len(words) < 2:
+                raise DistutilsTemplateError(
+                    "'%s' expects <pattern1> <pattern2> ..." % action
+                )
+            patterns = [convert_path(w) for w in words[1:]]
+        elif action in ('recursive-include', 'recursive-exclude'):
+            if len(words) < 3:
+                raise DistutilsTemplateError(
+                    "'%s' expects <dir> <pattern1> <pattern2> ..." % action
+                )
+            dir = convert_path(words[1])
+            patterns = [convert_path(w) for w in words[2:]]
+        elif action in ('graft', 'prune'):
+            if len(words) != 2:
+                raise DistutilsTemplateError(
+                    "'%s' expects a single <dir_pattern>" % action
+                )
+            dir_pattern = convert_path(words[1])
+        else:
+            raise DistutilsTemplateError("unknown action '%s'" % action)
+
+        return (action, patterns, dir, dir_pattern)
+
+    def process_template_line(self, line):  # noqa: C901
+        # Parse the line: split it up, make sure the right number of words
+        # is there, and return the relevant words.  'action' is always
+        # defined: it's the first word of the line.  Which of the other
+        # three are defined depends on the action; it'll be either
+        # patterns, (dir and patterns), or (dir_pattern).
+        (action, patterns, dir, dir_pattern) = self._parse_template_line(line)
+
+        # OK, now we know that the action is valid and we have the
+        # right number of words on the line for that action -- so we
+        # can proceed with minimal error-checking.
+        if action == 'include':
+            self.debug_print("include " + ' '.join(patterns))
+            for pattern in patterns:
+                if not self.include_pattern(pattern, anchor=1):
+                    log.warn("warning: no files found matching '%s'", pattern)
+
+        elif action == 'exclude':
+            self.debug_print("exclude " + ' '.join(patterns))
+            for pattern in patterns:
+                if not self.exclude_pattern(pattern, anchor=1):
+                    log.warn(
+                        (
+                            "warning: no previously-included files "
+                            "found matching '%s'"
+                        ),
+                        pattern,
+                    )
+
+        elif action == 'global-include':
+            self.debug_print("global-include " + ' '.join(patterns))
+            for pattern in patterns:
+                if not self.include_pattern(pattern, anchor=0):
+                    log.warn(
+                        (
+                            "warning: no files found matching '%s' "
+                            "anywhere in distribution"
+                        ),
+                        pattern,
+                    )
+
+        elif action == 'global-exclude':
+            self.debug_print("global-exclude " + ' '.join(patterns))
+            for pattern in patterns:
+                if not self.exclude_pattern(pattern, anchor=0):
+                    log.warn(
+                        (
+                            "warning: no previously-included files matching "
+                            "'%s' found anywhere in distribution"
+                        ),
+                        pattern,
+                    )
+
+        elif action == 'recursive-include':
+            self.debug_print("recursive-include {} {}".format(dir, ' '.join(patterns)))
+            for pattern in patterns:
+                if not self.include_pattern(pattern, prefix=dir):
+                    msg = (
+                        "warning: no files found matching '%s' " "under directory '%s'"
+                    )
+                    log.warn(msg, pattern, dir)
+
+        elif action == 'recursive-exclude':
+            self.debug_print("recursive-exclude {} {}".format(dir, ' '.join(patterns)))
+            for pattern in patterns:
+                if not self.exclude_pattern(pattern, prefix=dir):
+                    log.warn(
+                        (
+                            "warning: no previously-included files matching "
+                            "'%s' found under directory '%s'"
+                        ),
+                        pattern,
+                        dir,
+                    )
+
+        elif action == 'graft':
+            self.debug_print("graft " + dir_pattern)
+            if not self.include_pattern(None, prefix=dir_pattern):
+                log.warn("warning: no directories found matching '%s'", dir_pattern)
+
+        elif action == 'prune':
+            self.debug_print("prune " + dir_pattern)
+            if not self.exclude_pattern(None, prefix=dir_pattern):
+                log.warn(
+                    ("no previously-included directories found " "matching '%s'"),
+                    dir_pattern,
+                )
+        else:
+            raise DistutilsInternalError(
+                "this cannot happen: invalid action '%s'" % action
+            )
+
+    # Filtering/selection methods
+
+    def include_pattern(self, pattern, anchor=1, prefix=None, is_regex=0):
+        """Select strings (presumably filenames) from 'self.files' that
+        match 'pattern', a Unix-style wildcard (glob) pattern.  Patterns
+        are not quite the same as implemented by the 'fnmatch' module: '*'
+        and '?'  match non-special characters, where "special" is platform-
+        dependent: slash on Unix; colon, slash, and backslash on
+        DOS/Windows; and colon on Mac OS.
+
+        If 'anchor' is true (the default), then the pattern match is more
+        stringent: "*.py" will match "foo.py" but not "foo/bar.py".  If
+        'anchor' is false, both of these will match.
+
+        If 'prefix' is supplied, then only filenames starting with 'prefix'
+        (itself a pattern) and ending with 'pattern', with anything in between
+        them, will match.  'anchor' is ignored in this case.
+
+        If 'is_regex' is true, 'anchor' and 'prefix' are ignored, and
+        'pattern' is assumed to be either a string containing a regex or a
+        regex object -- no translation is done, the regex is just compiled
+        and used as-is.
+
+        Selected strings will be added to self.files.
+
+        Return True if files are found, False otherwise.
+        """
+        # XXX docstring lying about what the special chars are?
+        files_found = False
+        pattern_re = translate_pattern(pattern, anchor, prefix, is_regex)
+        self.debug_print("include_pattern: applying regex r'%s'" % pattern_re.pattern)
+
+        # delayed loading of allfiles list
+        if self.allfiles is None:
+            self.findall()
+
+        for name in self.allfiles:
+            if pattern_re.search(name):
+                self.debug_print(" adding " + name)
+                self.files.append(name)
+                files_found = True
+        return files_found
+
+    def exclude_pattern(self, pattern, anchor=1, prefix=None, is_regex=0):
+        """Remove strings (presumably filenames) from 'files' that match
+        'pattern'.  Other parameters are the same as for
+        'include_pattern()', above.
+        The list 'self.files' is modified in place.
+        Return True if files are found, False otherwise.
+        """
+        files_found = False
+        pattern_re = translate_pattern(pattern, anchor, prefix, is_regex)
+        self.debug_print("exclude_pattern: applying regex r'%s'" % pattern_re.pattern)
+        for i in range(len(self.files) - 1, -1, -1):
+            if pattern_re.search(self.files[i]):
+                self.debug_print(" removing " + self.files[i])
+                del self.files[i]
+                files_found = True
+        return files_found
+
+
+# Utility functions
+
+
+def _find_all_simple(path):
+    """
+    Find all files under 'path'
+    """
+    all_unique = _UniqueDirs.filter(os.walk(path, followlinks=True))
+    results = (
+        os.path.join(base, file) for base, dirs, files in all_unique for file in files
+    )
+    return filter(os.path.isfile, results)
+
+
+class _UniqueDirs(set):
+    """
+    Exclude previously-seen dirs from walk results,
+    avoiding infinite recursion.
+    Ref https://bugs.python.org/issue44497.
+    """
+
+    def __call__(self, walk_item):
+        """
+        Given an item from an os.walk result, determine
+        if the item represents a unique dir for this instance
+        and if not, prevent further traversal.
+        """
+        base, dirs, files = walk_item
+        stat = os.stat(base)
+        candidate = stat.st_dev, stat.st_ino
+        found = candidate in self
+        if found:
+            del dirs[:]
+        self.add(candidate)
+        return not found
+
+    @classmethod
+    def filter(cls, items):
+        return filter(cls(), items)
+
+
+def findall(dir=os.curdir):
+    """
+    Find all files under 'dir' and return the list of full filenames.
+    Unless dir is '.', return full filenames with dir prepended.
+    """
+    files = _find_all_simple(dir)
+    if dir == os.curdir:
+        make_rel = functools.partial(os.path.relpath, start=dir)
+        files = map(make_rel, files)
+    return list(files)
+
+
+def glob_to_re(pattern):
+    """Translate a shell-like glob pattern to a regular expression; return
+    a string containing the regex.  Differs from 'fnmatch.translate()' in
+    that '*' does not match "special characters" (which are
+    platform-specific).
+    """
+    pattern_re = fnmatch.translate(pattern)
+
+    # '?' and '*' in the glob pattern become '.' and '.*' in the RE, which
+    # IMHO is wrong -- '?' and '*' aren't supposed to match slash in Unix,
+    # and by extension they shouldn't match such "special characters" under
+    # any OS.  So change all non-escaped dots in the RE to match any
+    # character except the special characters (currently: just os.sep).
+    sep = os.sep
+    if os.sep == '\\':
+        # we're using a regex to manipulate a regex, so we need
+        # to escape the backslash twice
+        sep = r'\\\\'
+    escaped = r'\1[^%s]' % sep
+    pattern_re = re.sub(r'((?<!\\)(\\\\)*)\.', escaped, pattern_re)
+    return pattern_re
+
+
+def translate_pattern(pattern, anchor=1, prefix=None, is_regex=0):
+    """Translate a shell-like wildcard pattern to a compiled regular
+    expression.  Return the compiled regex.  If 'is_regex' true,
+    then 'pattern' is directly compiled to a regex (if it's a string)
+    or just returned as-is (assumes it's a regex object).
+    """
+    if is_regex:
+        if isinstance(pattern, str):
+            return re.compile(pattern)
+        else:
+            return pattern
+
+    # ditch start and end characters
+    start, _, end = glob_to_re('_').partition('_')
+
+    if pattern:
+        pattern_re = glob_to_re(pattern)
+        assert pattern_re.startswith(start) and pattern_re.endswith(end)
+    else:
+        pattern_re = ''
+
+    if prefix is not None:
+        prefix_re = glob_to_re(prefix)
+        assert prefix_re.startswith(start) and prefix_re.endswith(end)
+        prefix_re = prefix_re[len(start) : len(prefix_re) - len(end)]
+        sep = os.sep
+        if os.sep == '\\':
+            sep = r'\\'
+        pattern_re = pattern_re[len(start) : len(pattern_re) - len(end)]
+        pattern_re = r'{}\A{}{}.*{}{}'.format(start, prefix_re, sep, pattern_re, end)
+    else:  # no prefix -- respect anchor flag
+        if anchor:
+            pattern_re = r'{}\A{}'.format(start, pattern_re[len(start) :])
+
+    return re.compile(pattern_re)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/log.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/log.py
new file mode 100644
index 00000000..be25f6ca
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/log.py
@@ -0,0 +1,80 @@
+"""A simple log mechanism styled after PEP 282."""
+
+# The class here is styled after PEP 282 so that it could later be
+# replaced with a standard Python logging implementation.
+
+import sys
+
+DEBUG = 1
+INFO = 2
+WARN = 3
+ERROR = 4
+FATAL = 5
+
+
+class Log:
+    def __init__(self, threshold=WARN):
+        self.threshold = threshold
+
+    def _log(self, level, msg, args):
+        if level not in (DEBUG, INFO, WARN, ERROR, FATAL):
+            raise ValueError('%s wrong log level' % str(level))
+
+        if level >= self.threshold:
+            if args:
+                msg = msg % args
+            if level in (WARN, ERROR, FATAL):
+                stream = sys.stderr
+            else:
+                stream = sys.stdout
+            try:
+                stream.write('%s\n' % msg)
+            except UnicodeEncodeError:
+                # emulate backslashreplace error handler
+                encoding = stream.encoding
+                msg = msg.encode(encoding, "backslashreplace").decode(encoding)
+                stream.write('%s\n' % msg)
+            stream.flush()
+
+    def log(self, level, msg, *args):
+        self._log(level, msg, args)
+
+    def debug(self, msg, *args):
+        self._log(DEBUG, msg, args)
+
+    def info(self, msg, *args):
+        self._log(INFO, msg, args)
+
+    def warn(self, msg, *args):
+        self._log(WARN, msg, args)
+
+    def error(self, msg, *args):
+        self._log(ERROR, msg, args)
+
+    def fatal(self, msg, *args):
+        self._log(FATAL, msg, args)
+
+
+_global_log = Log()
+log = _global_log.log
+debug = _global_log.debug
+info = _global_log.info
+warn = _global_log.warn
+error = _global_log.error
+fatal = _global_log.fatal
+
+
+def set_threshold(level):
+    # return the old threshold for use from tests
+    old = _global_log.threshold
+    _global_log.threshold = level
+    return old
+
+
+def set_verbosity(v):
+    if v <= 0:
+        set_threshold(WARN)
+    elif v == 1:
+        set_threshold(INFO)
+    elif v >= 2:
+        set_threshold(DEBUG)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/msvc9compiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/msvc9compiler.py
new file mode 100644
index 00000000..22021831
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/msvc9compiler.py
@@ -0,0 +1,832 @@
+"""distutils.msvc9compiler
+
+Contains MSVCCompiler, an implementation of the abstract CCompiler class
+for the Microsoft Visual Studio 2008.
+
+The module is compatible with VS 2005 and VS 2008. You can find legacy support
+for older versions of VS in distutils.msvccompiler.
+"""
+
+# Written by Perry Stoll
+# hacked by Robin Becker and Thomas Heller to do a better job of
+#   finding DevStudio (through the registry)
+# ported to VS2005 and VS 2008 by Christian Heimes
+
+import os
+import subprocess
+import sys
+import re
+import warnings
+
+from distutils.errors import (
+    DistutilsExecError,
+    DistutilsPlatformError,
+    CompileError,
+    LibError,
+    LinkError,
+)
+from distutils.ccompiler import CCompiler, gen_lib_options
+from distutils import log
+from distutils.util import get_platform
+
+import winreg
+
+warnings.warn(
+    "msvc9compiler is deprecated and slated to be removed "
+    "in the future. Please discontinue use or file an issue "
+    "with pypa/distutils describing your use case.",
+    DeprecationWarning,
+)
+
+RegOpenKeyEx = winreg.OpenKeyEx
+RegEnumKey = winreg.EnumKey
+RegEnumValue = winreg.EnumValue
+RegError = winreg.error
+
+HKEYS = (
+    winreg.HKEY_USERS,
+    winreg.HKEY_CURRENT_USER,
+    winreg.HKEY_LOCAL_MACHINE,
+    winreg.HKEY_CLASSES_ROOT,
+)
+
+NATIVE_WIN64 = sys.platform == 'win32' and sys.maxsize > 2**32
+if NATIVE_WIN64:
+    # Visual C++ is a 32-bit application, so we need to look in
+    # the corresponding registry branch, if we're running a
+    # 64-bit Python on Win64
+    VS_BASE = r"Software\Wow6432Node\Microsoft\VisualStudio\%0.1f"
+    WINSDK_BASE = r"Software\Wow6432Node\Microsoft\Microsoft SDKs\Windows"
+    NET_BASE = r"Software\Wow6432Node\Microsoft\.NETFramework"
+else:
+    VS_BASE = r"Software\Microsoft\VisualStudio\%0.1f"
+    WINSDK_BASE = r"Software\Microsoft\Microsoft SDKs\Windows"
+    NET_BASE = r"Software\Microsoft\.NETFramework"
+
+# A map keyed by get_platform() return values to values accepted by
+# 'vcvarsall.bat'.  Note a cross-compile may combine these (eg, 'x86_amd64' is
+# the param to cross-compile on x86 targeting amd64.)
+PLAT_TO_VCVARS = {
+    'win32': 'x86',
+    'win-amd64': 'amd64',
+}
+
+
+class Reg:
+    """Helper class to read values from the registry"""
+
+    def get_value(cls, path, key):
+        for base in HKEYS:
+            d = cls.read_values(base, path)
+            if d and key in d:
+                return d[key]
+        raise KeyError(key)
+
+    get_value = classmethod(get_value)
+
+    def read_keys(cls, base, key):
+        """Return list of registry keys."""
+        try:
+            handle = RegOpenKeyEx(base, key)
+        except RegError:
+            return None
+        L = []
+        i = 0
+        while True:
+            try:
+                k = RegEnumKey(handle, i)
+            except RegError:
+                break
+            L.append(k)
+            i += 1
+        return L
+
+    read_keys = classmethod(read_keys)
+
+    def read_values(cls, base, key):
+        """Return dict of registry keys and values.
+
+        All names are converted to lowercase.
+        """
+        try:
+            handle = RegOpenKeyEx(base, key)
+        except RegError:
+            return None
+        d = {}
+        i = 0
+        while True:
+            try:
+                name, value, type = RegEnumValue(handle, i)
+            except RegError:
+                break
+            name = name.lower()
+            d[cls.convert_mbcs(name)] = cls.convert_mbcs(value)
+            i += 1
+        return d
+
+    read_values = classmethod(read_values)
+
+    def convert_mbcs(s):
+        dec = getattr(s, "decode", None)
+        if dec is not None:
+            try:
+                s = dec("mbcs")
+            except UnicodeError:
+                pass
+        return s
+
+    convert_mbcs = staticmethod(convert_mbcs)
+
+
+class MacroExpander:
+    def __init__(self, version):
+        self.macros = {}
+        self.vsbase = VS_BASE % version
+        self.load_macros(version)
+
+    def set_macro(self, macro, path, key):
+        self.macros["$(%s)" % macro] = Reg.get_value(path, key)
+
+    def load_macros(self, version):
+        self.set_macro("VCInstallDir", self.vsbase + r"\Setup\VC", "productdir")
+        self.set_macro("VSInstallDir", self.vsbase + r"\Setup\VS", "productdir")
+        self.set_macro("FrameworkDir", NET_BASE, "installroot")
+        try:
+            if version >= 8.0:
+                self.set_macro("FrameworkSDKDir", NET_BASE, "sdkinstallrootv2.0")
+            else:
+                raise KeyError("sdkinstallrootv2.0")
+        except KeyError:
+            raise DistutilsPlatformError(
+                """Python was built with Visual Studio 2008;
+extensions must be built with a compiler than can generate compatible binaries.
+Visual Studio 2008 was not found on this system. If you have Cygwin installed,
+you can try compiling with MingW32, by passing "-c mingw32" to setup.py."""
+            )
+
+        if version >= 9.0:
+            self.set_macro("FrameworkVersion", self.vsbase, "clr version")
+            self.set_macro("WindowsSdkDir", WINSDK_BASE, "currentinstallfolder")
+        else:
+            p = r"Software\Microsoft\NET Framework Setup\Product"
+            for base in HKEYS:
+                try:
+                    h = RegOpenKeyEx(base, p)
+                except RegError:
+                    continue
+                key = RegEnumKey(h, 0)
+                d = Reg.get_value(base, r"{}\{}".format(p, key))
+                self.macros["$(FrameworkVersion)"] = d["version"]
+
+    def sub(self, s):
+        for k, v in self.macros.items():
+            s = s.replace(k, v)
+        return s
+
+
+def get_build_version():
+    """Return the version of MSVC that was used to build Python.
+
+    For Python 2.3 and up, the version number is included in
+    sys.version.  For earlier versions, assume the compiler is MSVC 6.
+    """
+    prefix = "MSC v."
+    i = sys.version.find(prefix)
+    if i == -1:
+        return 6
+    i = i + len(prefix)
+    s, rest = sys.version[i:].split(" ", 1)
+    majorVersion = int(s[:-2]) - 6
+    if majorVersion >= 13:
+        # v13 was skipped and should be v14
+        majorVersion += 1
+    minorVersion = int(s[2:3]) / 10.0
+    # I don't think paths are affected by minor version in version 6
+    if majorVersion == 6:
+        minorVersion = 0
+    if majorVersion >= 6:
+        return majorVersion + minorVersion
+    # else we don't know what version of the compiler this is
+    return None
+
+
+def normalize_and_reduce_paths(paths):
+    """Return a list of normalized paths with duplicates removed.
+
+    The current order of paths is maintained.
+    """
+    # Paths are normalized so things like:  /a and /a/ aren't both preserved.
+    reduced_paths = []
+    for p in paths:
+        np = os.path.normpath(p)
+        # XXX(nnorwitz): O(n**2), if reduced_paths gets long perhaps use a set.
+        if np not in reduced_paths:
+            reduced_paths.append(np)
+    return reduced_paths
+
+
+def removeDuplicates(variable):
+    """Remove duplicate values of an environment variable."""
+    oldList = variable.split(os.pathsep)
+    newList = []
+    for i in oldList:
+        if i not in newList:
+            newList.append(i)
+    newVariable = os.pathsep.join(newList)
+    return newVariable
+
+
+def find_vcvarsall(version):
+    """Find the vcvarsall.bat file
+
+    At first it tries to find the productdir of VS 2008 in the registry. If
+    that fails it falls back to the VS90COMNTOOLS env var.
+    """
+    vsbase = VS_BASE % version
+    try:
+        productdir = Reg.get_value(r"%s\Setup\VC" % vsbase, "productdir")
+    except KeyError:
+        log.debug("Unable to find productdir in registry")
+        productdir = None
+
+    if not productdir or not os.path.isdir(productdir):
+        toolskey = "VS%0.f0COMNTOOLS" % version
+        toolsdir = os.environ.get(toolskey, None)
+
+        if toolsdir and os.path.isdir(toolsdir):
+            productdir = os.path.join(toolsdir, os.pardir, os.pardir, "VC")
+            productdir = os.path.abspath(productdir)
+            if not os.path.isdir(productdir):
+                log.debug("%s is not a valid directory" % productdir)
+                return None
+        else:
+            log.debug("Env var %s is not set or invalid" % toolskey)
+    if not productdir:
+        log.debug("No productdir found")
+        return None
+    vcvarsall = os.path.join(productdir, "vcvarsall.bat")
+    if os.path.isfile(vcvarsall):
+        return vcvarsall
+    log.debug("Unable to find vcvarsall.bat")
+    return None
+
+
+def query_vcvarsall(version, arch="x86"):
+    """Launch vcvarsall.bat and read the settings from its environment"""
+    vcvarsall = find_vcvarsall(version)
+    interesting = {"include", "lib", "libpath", "path"}
+    result = {}
+
+    if vcvarsall is None:
+        raise DistutilsPlatformError("Unable to find vcvarsall.bat")
+    log.debug("Calling 'vcvarsall.bat %s' (version=%s)", arch, version)
+    popen = subprocess.Popen(
+        '"{}" {} & set'.format(vcvarsall, arch),
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
+    try:
+        stdout, stderr = popen.communicate()
+        if popen.wait() != 0:
+            raise DistutilsPlatformError(stderr.decode("mbcs"))
+
+        stdout = stdout.decode("mbcs")
+        for line in stdout.split("\n"):
+            line = Reg.convert_mbcs(line)
+            if '=' not in line:
+                continue
+            line = line.strip()
+            key, value = line.split('=', 1)
+            key = key.lower()
+            if key in interesting:
+                if value.endswith(os.pathsep):
+                    value = value[:-1]
+                result[key] = removeDuplicates(value)
+
+    finally:
+        popen.stdout.close()
+        popen.stderr.close()
+
+    if len(result) != len(interesting):
+        raise ValueError(str(list(result.keys())))
+
+    return result
+
+
+# More globals
+VERSION = get_build_version()
+# MACROS = MacroExpander(VERSION)
+
+
+class MSVCCompiler(CCompiler):
+    """Concrete class that implements an interface to Microsoft Visual C++,
+    as defined by the CCompiler abstract class."""
+
+    compiler_type = 'msvc'
+
+    # Just set this so CCompiler's constructor doesn't barf.  We currently
+    # don't use the 'set_executables()' bureaucracy provided by CCompiler,
+    # as it really isn't necessary for this sort of single-compiler class.
+    # Would be nice to have a consistent interface with UnixCCompiler,
+    # though, so it's worth thinking about.
+    executables = {}
+
+    # Private class data (need to distinguish C from C++ source for compiler)
+    _c_extensions = ['.c']
+    _cpp_extensions = ['.cc', '.cpp', '.cxx']
+    _rc_extensions = ['.rc']
+    _mc_extensions = ['.mc']
+
+    # Needed for the filename generation methods provided by the
+    # base class, CCompiler.
+    src_extensions = _c_extensions + _cpp_extensions + _rc_extensions + _mc_extensions
+    res_extension = '.res'
+    obj_extension = '.obj'
+    static_lib_extension = '.lib'
+    shared_lib_extension = '.dll'
+    static_lib_format = shared_lib_format = '%s%s'
+    exe_extension = '.exe'
+
+    def __init__(self, verbose=0, dry_run=0, force=0):
+        super().__init__(verbose, dry_run, force)
+        self.__version = VERSION
+        self.__root = r"Software\Microsoft\VisualStudio"
+        # self.__macros = MACROS
+        self.__paths = []
+        # target platform (.plat_name is consistent with 'bdist')
+        self.plat_name = None
+        self.__arch = None  # deprecated name
+        self.initialized = False
+
+    def initialize(self, plat_name=None):  # noqa: C901
+        # multi-init means we would need to check platform same each time...
+        assert not self.initialized, "don't init multiple times"
+        if self.__version < 8.0:
+            raise DistutilsPlatformError(
+                "VC %0.1f is not supported by this module" % self.__version
+            )
+        if plat_name is None:
+            plat_name = get_platform()
+        # sanity check for platforms to prevent obscure errors later.
+        ok_plats = 'win32', 'win-amd64'
+        if plat_name not in ok_plats:
+            raise DistutilsPlatformError(
+                "--plat-name must be one of {}".format(ok_plats)
+            )
+
+        if (
+            "DISTUTILS_USE_SDK" in os.environ
+            and "MSSdk" in os.environ
+            and self.find_exe("cl.exe")
+        ):
+            # Assume that the SDK set up everything alright; don't try to be
+            # smarter
+            self.cc = "cl.exe"
+            self.linker = "link.exe"
+            self.lib = "lib.exe"
+            self.rc = "rc.exe"
+            self.mc = "mc.exe"
+        else:
+            # On x86, 'vcvars32.bat amd64' creates an env that doesn't work;
+            # to cross compile, you use 'x86_amd64'.
+            # On AMD64, 'vcvars32.bat amd64' is a native build env; to cross
+            # compile use 'x86' (ie, it runs the x86 compiler directly)
+            if plat_name == get_platform() or plat_name == 'win32':
+                # native build or cross-compile to win32
+                plat_spec = PLAT_TO_VCVARS[plat_name]
+            else:
+                # cross compile from win32 -> some 64bit
+                plat_spec = (
+                    PLAT_TO_VCVARS[get_platform()] + '_' + PLAT_TO_VCVARS[plat_name]
+                )
+
+            vc_env = query_vcvarsall(VERSION, plat_spec)
+
+            self.__paths = vc_env['path'].split(os.pathsep)
+            os.environ['lib'] = vc_env['lib']
+            os.environ['include'] = vc_env['include']
+
+            if len(self.__paths) == 0:
+                raise DistutilsPlatformError(
+                    "Python was built with %s, "
+                    "and extensions need to be built with the same "
+                    "version of the compiler, but it isn't installed." % self.__product
+                )
+
+            self.cc = self.find_exe("cl.exe")
+            self.linker = self.find_exe("link.exe")
+            self.lib = self.find_exe("lib.exe")
+            self.rc = self.find_exe("rc.exe")  # resource compiler
+            self.mc = self.find_exe("mc.exe")  # message compiler
+            # self.set_path_env_var('lib')
+            # self.set_path_env_var('include')
+
+        # extend the MSVC path with the current path
+        try:
+            for p in os.environ['path'].split(';'):
+                self.__paths.append(p)
+        except KeyError:
+            pass
+        self.__paths = normalize_and_reduce_paths(self.__paths)
+        os.environ['path'] = ";".join(self.__paths)
+
+        self.preprocess_options = None
+        if self.__arch == "x86":
+            self.compile_options = ['/nologo', '/O2', '/MD', '/W3', '/DNDEBUG']
+            self.compile_options_debug = [
+                '/nologo',
+                '/Od',
+                '/MDd',
+                '/W3',
+                '/Z7',
+                '/D_DEBUG',
+            ]
+        else:
+            # Win64
+            self.compile_options = ['/nologo', '/O2', '/MD', '/W3', '/GS-', '/DNDEBUG']
+            self.compile_options_debug = [
+                '/nologo',
+                '/Od',
+                '/MDd',
+                '/W3',
+                '/GS-',
+                '/Z7',
+                '/D_DEBUG',
+            ]
+
+        self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
+        if self.__version >= 7:
+            self.ldflags_shared_debug = ['/DLL', '/nologo', '/INCREMENTAL:no', '/DEBUG']
+        self.ldflags_static = ['/nologo']
+
+        self.initialized = True
+
+    # -- Worker methods ------------------------------------------------
+
+    def object_filenames(self, source_filenames, strip_dir=0, output_dir=''):
+        # Copied from ccompiler.py, extended to return .res as 'object'-file
+        # for .rc input file
+        if output_dir is None:
+            output_dir = ''
+        obj_names = []
+        for src_name in source_filenames:
+            (base, ext) = os.path.splitext(src_name)
+            base = os.path.splitdrive(base)[1]  # Chop off the drive
+            base = base[os.path.isabs(base) :]  # If abs, chop off leading /
+            if ext not in self.src_extensions:
+                # Better to raise an exception instead of silently continuing
+                # and later complain about sources and targets having
+                # different lengths
+                raise CompileError("Don't know how to compile %s" % src_name)
+            if strip_dir:
+                base = os.path.basename(base)
+            if ext in self._rc_extensions:
+                obj_names.append(os.path.join(output_dir, base + self.res_extension))
+            elif ext in self._mc_extensions:
+                obj_names.append(os.path.join(output_dir, base + self.res_extension))
+            else:
+                obj_names.append(os.path.join(output_dir, base + self.obj_extension))
+        return obj_names
+
+    def compile(  # noqa: C901
+        self,
+        sources,
+        output_dir=None,
+        macros=None,
+        include_dirs=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        depends=None,
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        compile_info = self._setup_compile(
+            output_dir, macros, include_dirs, sources, depends, extra_postargs
+        )
+        macros, objects, extra_postargs, pp_opts, build = compile_info
+
+        compile_opts = extra_preargs or []
+        compile_opts.append('/c')
+        if debug:
+            compile_opts.extend(self.compile_options_debug)
+        else:
+            compile_opts.extend(self.compile_options)
+
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
+            if debug:
+                # pass the full pathname to MSVC in debug mode,
+                # this allows the debugger to find the source file
+                # without asking the user to browse for it
+                src = os.path.abspath(src)
+
+            if ext in self._c_extensions:
+                input_opt = "/Tc" + src
+            elif ext in self._cpp_extensions:
+                input_opt = "/Tp" + src
+            elif ext in self._rc_extensions:
+                # compile .RC to .RES file
+                input_opt = src
+                output_opt = "/fo" + obj
+                try:
+                    self.spawn([self.rc] + pp_opts + [output_opt] + [input_opt])
+                except DistutilsExecError as msg:
+                    raise CompileError(msg)
+                continue
+            elif ext in self._mc_extensions:
+                # Compile .MC to .RC file to .RES file.
+                #   * '-h dir' specifies the directory for the
+                #     generated include file
+                #   * '-r dir' specifies the target directory of the
+                #     generated RC file and the binary message resource
+                #     it includes
+                #
+                # For now (since there are no options to change this),
+                # we use the source-directory for the include file and
+                # the build directory for the RC file and message
+                # resources. This works at least for win32all.
+                h_dir = os.path.dirname(src)
+                rc_dir = os.path.dirname(obj)
+                try:
+                    # first compile .MC to .RC and .H file
+                    self.spawn([self.mc] + ['-h', h_dir, '-r', rc_dir] + [src])
+                    base, _ = os.path.splitext(os.path.basename(src))
+                    rc_file = os.path.join(rc_dir, base + '.rc')
+                    # then compile .RC to .RES file
+                    self.spawn([self.rc] + ["/fo" + obj] + [rc_file])
+
+                except DistutilsExecError as msg:
+                    raise CompileError(msg)
+                continue
+            else:
+                # how to handle this file?
+                raise CompileError(
+                    "Don't know how to compile {} to {}".format(src, obj)
+                )
+
+            output_opt = "/Fo" + obj
+            try:
+                self.spawn(
+                    [self.cc]
+                    + compile_opts
+                    + pp_opts
+                    + [input_opt, output_opt]
+                    + extra_postargs
+                )
+            except DistutilsExecError as msg:
+                raise CompileError(msg)
+
+        return objects
+
+    def create_static_lib(
+        self, objects, output_libname, output_dir=None, debug=0, target_lang=None
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        (objects, output_dir) = self._fix_object_args(objects, output_dir)
+        output_filename = self.library_filename(output_libname, output_dir=output_dir)
+
+        if self._need_link(objects, output_filename):
+            lib_args = objects + ['/OUT:' + output_filename]
+            if debug:
+                pass  # XXX what goes here?
+            try:
+                self.spawn([self.lib] + lib_args)
+            except DistutilsExecError as msg:
+                raise LibError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    def link(  # noqa: C901
+        self,
+        target_desc,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        (objects, output_dir) = self._fix_object_args(objects, output_dir)
+        fixed_args = self._fix_lib_args(libraries, library_dirs, runtime_library_dirs)
+        (libraries, library_dirs, runtime_library_dirs) = fixed_args
+
+        if runtime_library_dirs:
+            self.warn(
+                "I don't know what to do with 'runtime_library_dirs': "
+                + str(runtime_library_dirs)
+            )
+
+        lib_opts = gen_lib_options(self, library_dirs, runtime_library_dirs, libraries)
+        if output_dir is not None:
+            output_filename = os.path.join(output_dir, output_filename)
+
+        if self._need_link(objects, output_filename):
+            if target_desc == CCompiler.EXECUTABLE:
+                if debug:
+                    ldflags = self.ldflags_shared_debug[1:]
+                else:
+                    ldflags = self.ldflags_shared[1:]
+            else:
+                if debug:
+                    ldflags = self.ldflags_shared_debug
+                else:
+                    ldflags = self.ldflags_shared
+
+            export_opts = []
+            for sym in export_symbols or []:
+                export_opts.append("/EXPORT:" + sym)
+
+            ld_args = (
+                ldflags + lib_opts + export_opts + objects + ['/OUT:' + output_filename]
+            )
+
+            # The MSVC linker generates .lib and .exp files, which cannot be
+            # suppressed by any linker switches. The .lib files may even be
+            # needed! Make sure they are generated in the temporary build
+            # directory. Since they have different names for debug and release
+            # builds, they can go into the same directory.
+            build_temp = os.path.dirname(objects[0])
+            if export_symbols is not None:
+                (dll_name, dll_ext) = os.path.splitext(
+                    os.path.basename(output_filename)
+                )
+                implib_file = os.path.join(build_temp, self.library_filename(dll_name))
+                ld_args.append('/IMPLIB:' + implib_file)
+
+            self.manifest_setup_ldargs(output_filename, build_temp, ld_args)
+
+            if extra_preargs:
+                ld_args[:0] = extra_preargs
+            if extra_postargs:
+                ld_args.extend(extra_postargs)
+
+            self.mkpath(os.path.dirname(output_filename))
+            try:
+                self.spawn([self.linker] + ld_args)
+            except DistutilsExecError as msg:
+                raise LinkError(msg)
+
+            # embed the manifest
+            # XXX - this is somewhat fragile - if mt.exe fails, distutils
+            # will still consider the DLL up-to-date, but it will not have a
+            # manifest.  Maybe we should link to a temp file?  OTOH, that
+            # implies a build environment error that shouldn't go undetected.
+            mfinfo = self.manifest_get_embed_info(target_desc, ld_args)
+            if mfinfo is not None:
+                mffilename, mfid = mfinfo
+                out_arg = '-outputresource:{};{}'.format(output_filename, mfid)
+                try:
+                    self.spawn(['mt.exe', '-nologo', '-manifest', mffilename, out_arg])
+                except DistutilsExecError as msg:
+                    raise LinkError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    def manifest_setup_ldargs(self, output_filename, build_temp, ld_args):
+        # If we need a manifest at all, an embedded manifest is recommended.
+        # See MSDN article titled
+        # "How to: Embed a Manifest Inside a C/C++ Application"
+        # (currently at http://msdn2.microsoft.com/en-us/library/ms235591(VS.80).aspx)
+        # Ask the linker to generate the manifest in the temp dir, so
+        # we can check it, and possibly embed it, later.
+        temp_manifest = os.path.join(
+            build_temp, os.path.basename(output_filename) + ".manifest"
+        )
+        ld_args.append('/MANIFESTFILE:' + temp_manifest)
+
+    def manifest_get_embed_info(self, target_desc, ld_args):
+        # If a manifest should be embedded, return a tuple of
+        # (manifest_filename, resource_id).  Returns None if no manifest
+        # should be embedded.  See http://bugs.python.org/issue7833 for why
+        # we want to avoid any manifest for extension modules if we can)
+        for arg in ld_args:
+            if arg.startswith("/MANIFESTFILE:"):
+                temp_manifest = arg.split(":", 1)[1]
+                break
+        else:
+            # no /MANIFESTFILE so nothing to do.
+            return None
+        if target_desc == CCompiler.EXECUTABLE:
+            # by default, executables always get the manifest with the
+            # CRT referenced.
+            mfid = 1
+        else:
+            # Extension modules try and avoid any manifest if possible.
+            mfid = 2
+            temp_manifest = self._remove_visual_c_ref(temp_manifest)
+        if temp_manifest is None:
+            return None
+        return temp_manifest, mfid
+
+    def _remove_visual_c_ref(self, manifest_file):
+        try:
+            # Remove references to the Visual C runtime, so they will
+            # fall through to the Visual C dependency of Python.exe.
+            # This way, when installed for a restricted user (e.g.
+            # runtimes are not in WinSxS folder, but in Python's own
+            # folder), the runtimes do not need to be in every folder
+            # with .pyd's.
+            # Returns either the filename of the modified manifest or
+            # None if no manifest should be embedded.
+            manifest_f = open(manifest_file)
+            try:
+                manifest_buf = manifest_f.read()
+            finally:
+                manifest_f.close()
+            pattern = re.compile(
+                r"""<assemblyIdentity.*?name=("|')Microsoft\."""
+                r"""VC\d{2}\.CRT("|').*?(/>|</assemblyIdentity>)""",
+                re.DOTALL,
+            )
+            manifest_buf = re.sub(pattern, "", manifest_buf)
+            pattern = r"<dependentAssembly>\s*</dependentAssembly>"
+            manifest_buf = re.sub(pattern, "", manifest_buf)
+            # Now see if any other assemblies are referenced - if not, we
+            # don't want a manifest embedded.
+            pattern = re.compile(
+                r"""<assemblyIdentity.*?name=(?:"|')(.+?)(?:"|')"""
+                r""".*?(?:/>|</assemblyIdentity>)""",
+                re.DOTALL,
+            )
+            if re.search(pattern, manifest_buf) is None:
+                return None
+
+            manifest_f = open(manifest_file, 'w')
+            try:
+                manifest_f.write(manifest_buf)
+                return manifest_file
+            finally:
+                manifest_f.close()
+        except OSError:
+            pass
+
+    # -- Miscellaneous methods -----------------------------------------
+    # These are all used by the 'gen_lib_options() function, in
+    # ccompiler.py.
+
+    def library_dir_option(self, dir):
+        return "/LIBPATH:" + dir
+
+    def runtime_library_dir_option(self, dir):
+        raise DistutilsPlatformError(
+            "don't know how to set runtime library search path for MSVC++"
+        )
+
+    def library_option(self, lib):
+        return self.library_filename(lib)
+
+    def find_library_file(self, dirs, lib, debug=0):
+        # Prefer a debugging library if found (and requested), but deal
+        # with it if we don't have one.
+        if debug:
+            try_names = [lib + "_d", lib]
+        else:
+            try_names = [lib]
+        for dir in dirs:
+            for name in try_names:
+                libfile = os.path.join(dir, self.library_filename(name))
+                if os.path.exists(libfile):
+                    return libfile
+        else:
+            # Oops, didn't find it in *any* of 'dirs'
+            return None
+
+    # Helper methods for using the MSVC registry settings
+
+    def find_exe(self, exe):
+        """Return path to an MSVC executable program.
+
+        Tries to find the program in several places: first, one of the
+        MSVC program search paths from the registry; next, the directories
+        in the PATH environment variable.  If any of those work, return an
+        absolute path that is known to exist.  If none of them work, just
+        return the original program name, 'exe'.
+        """
+        for p in self.__paths:
+            fn = os.path.join(os.path.abspath(p), exe)
+            if os.path.isfile(fn):
+                return fn
+
+        # didn't find it; try existing path
+        for p in os.environ['Path'].split(';'):
+            fn = os.path.join(os.path.abspath(p), exe)
+            if os.path.isfile(fn):
+                return fn
+
+        return exe
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/msvccompiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/msvccompiler.py
new file mode 100644
index 00000000..1069e995
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/msvccompiler.py
@@ -0,0 +1,695 @@
+"""distutils.msvccompiler
+
+Contains MSVCCompiler, an implementation of the abstract CCompiler class
+for the Microsoft Visual Studio.
+"""
+
+# Written by Perry Stoll
+# hacked by Robin Becker and Thomas Heller to do a better job of
+#   finding DevStudio (through the registry)
+
+import sys
+import os
+import warnings
+from distutils.errors import (
+    DistutilsExecError,
+    DistutilsPlatformError,
+    CompileError,
+    LibError,
+    LinkError,
+)
+from distutils.ccompiler import CCompiler, gen_lib_options
+from distutils import log
+
+_can_read_reg = False
+try:
+    import winreg
+
+    _can_read_reg = True
+    hkey_mod = winreg
+
+    RegOpenKeyEx = winreg.OpenKeyEx
+    RegEnumKey = winreg.EnumKey
+    RegEnumValue = winreg.EnumValue
+    RegError = winreg.error
+
+except ImportError:
+    try:
+        import win32api
+        import win32con
+
+        _can_read_reg = True
+        hkey_mod = win32con
+
+        RegOpenKeyEx = win32api.RegOpenKeyEx
+        RegEnumKey = win32api.RegEnumKey
+        RegEnumValue = win32api.RegEnumValue
+        RegError = win32api.error
+    except ImportError:
+        log.info(
+            "Warning: Can't read registry to find the "
+            "necessary compiler setting\n"
+            "Make sure that Python modules winreg, "
+            "win32api or win32con are installed."
+        )
+        pass
+
+if _can_read_reg:
+    HKEYS = (
+        hkey_mod.HKEY_USERS,
+        hkey_mod.HKEY_CURRENT_USER,
+        hkey_mod.HKEY_LOCAL_MACHINE,
+        hkey_mod.HKEY_CLASSES_ROOT,
+    )
+
+
+warnings.warn(
+    "msvccompiler is deprecated and slated to be removed "
+    "in the future. Please discontinue use or file an issue "
+    "with pypa/distutils describing your use case.",
+    DeprecationWarning,
+)
+
+
+def read_keys(base, key):
+    """Return list of registry keys."""
+    try:
+        handle = RegOpenKeyEx(base, key)
+    except RegError:
+        return None
+    L = []
+    i = 0
+    while True:
+        try:
+            k = RegEnumKey(handle, i)
+        except RegError:
+            break
+        L.append(k)
+        i += 1
+    return L
+
+
+def read_values(base, key):
+    """Return dict of registry keys and values.
+
+    All names are converted to lowercase.
+    """
+    try:
+        handle = RegOpenKeyEx(base, key)
+    except RegError:
+        return None
+    d = {}
+    i = 0
+    while True:
+        try:
+            name, value, type = RegEnumValue(handle, i)
+        except RegError:
+            break
+        name = name.lower()
+        d[convert_mbcs(name)] = convert_mbcs(value)
+        i += 1
+    return d
+
+
+def convert_mbcs(s):
+    dec = getattr(s, "decode", None)
+    if dec is not None:
+        try:
+            s = dec("mbcs")
+        except UnicodeError:
+            pass
+    return s
+
+
+class MacroExpander:
+    def __init__(self, version):
+        self.macros = {}
+        self.load_macros(version)
+
+    def set_macro(self, macro, path, key):
+        for base in HKEYS:
+            d = read_values(base, path)
+            if d:
+                self.macros["$(%s)" % macro] = d[key]
+                break
+
+    def load_macros(self, version):
+        vsbase = r"Software\Microsoft\VisualStudio\%0.1f" % version
+        self.set_macro("VCInstallDir", vsbase + r"\Setup\VC", "productdir")
+        self.set_macro("VSInstallDir", vsbase + r"\Setup\VS", "productdir")
+        net = r"Software\Microsoft\.NETFramework"
+        self.set_macro("FrameworkDir", net, "installroot")
+        try:
+            if version > 7.0:
+                self.set_macro("FrameworkSDKDir", net, "sdkinstallrootv1.1")
+            else:
+                self.set_macro("FrameworkSDKDir", net, "sdkinstallroot")
+        except KeyError:
+            raise DistutilsPlatformError(
+                """Python was built with Visual Studio 2003;
+extensions must be built with a compiler than can generate compatible binaries.
+Visual Studio 2003 was not found on this system. If you have Cygwin installed,
+you can try compiling with MingW32, by passing "-c mingw32" to setup.py."""
+            )
+
+        p = r"Software\Microsoft\NET Framework Setup\Product"
+        for base in HKEYS:
+            try:
+                h = RegOpenKeyEx(base, p)
+            except RegError:
+                continue
+            key = RegEnumKey(h, 0)
+            d = read_values(base, r"{}\{}".format(p, key))
+            self.macros["$(FrameworkVersion)"] = d["version"]
+
+    def sub(self, s):
+        for k, v in self.macros.items():
+            s = s.replace(k, v)
+        return s
+
+
+def get_build_version():
+    """Return the version of MSVC that was used to build Python.
+
+    For Python 2.3 and up, the version number is included in
+    sys.version.  For earlier versions, assume the compiler is MSVC 6.
+    """
+    prefix = "MSC v."
+    i = sys.version.find(prefix)
+    if i == -1:
+        return 6
+    i = i + len(prefix)
+    s, rest = sys.version[i:].split(" ", 1)
+    majorVersion = int(s[:-2]) - 6
+    if majorVersion >= 13:
+        # v13 was skipped and should be v14
+        majorVersion += 1
+    minorVersion = int(s[2:3]) / 10.0
+    # I don't think paths are affected by minor version in version 6
+    if majorVersion == 6:
+        minorVersion = 0
+    if majorVersion >= 6:
+        return majorVersion + minorVersion
+    # else we don't know what version of the compiler this is
+    return None
+
+
+def get_build_architecture():
+    """Return the processor architecture.
+
+    Possible results are "Intel" or "AMD64".
+    """
+
+    prefix = " bit ("
+    i = sys.version.find(prefix)
+    if i == -1:
+        return "Intel"
+    j = sys.version.find(")", i)
+    return sys.version[i + len(prefix) : j]
+
+
+def normalize_and_reduce_paths(paths):
+    """Return a list of normalized paths with duplicates removed.
+
+    The current order of paths is maintained.
+    """
+    # Paths are normalized so things like:  /a and /a/ aren't both preserved.
+    reduced_paths = []
+    for p in paths:
+        np = os.path.normpath(p)
+        # XXX(nnorwitz): O(n**2), if reduced_paths gets long perhaps use a set.
+        if np not in reduced_paths:
+            reduced_paths.append(np)
+    return reduced_paths
+
+
+class MSVCCompiler(CCompiler):
+    """Concrete class that implements an interface to Microsoft Visual C++,
+    as defined by the CCompiler abstract class."""
+
+    compiler_type = 'msvc'
+
+    # Just set this so CCompiler's constructor doesn't barf.  We currently
+    # don't use the 'set_executables()' bureaucracy provided by CCompiler,
+    # as it really isn't necessary for this sort of single-compiler class.
+    # Would be nice to have a consistent interface with UnixCCompiler,
+    # though, so it's worth thinking about.
+    executables = {}
+
+    # Private class data (need to distinguish C from C++ source for compiler)
+    _c_extensions = ['.c']
+    _cpp_extensions = ['.cc', '.cpp', '.cxx']
+    _rc_extensions = ['.rc']
+    _mc_extensions = ['.mc']
+
+    # Needed for the filename generation methods provided by the
+    # base class, CCompiler.
+    src_extensions = _c_extensions + _cpp_extensions + _rc_extensions + _mc_extensions
+    res_extension = '.res'
+    obj_extension = '.obj'
+    static_lib_extension = '.lib'
+    shared_lib_extension = '.dll'
+    static_lib_format = shared_lib_format = '%s%s'
+    exe_extension = '.exe'
+
+    def __init__(self, verbose=0, dry_run=0, force=0):
+        super().__init__(verbose, dry_run, force)
+        self.__version = get_build_version()
+        self.__arch = get_build_architecture()
+        if self.__arch == "Intel":
+            # x86
+            if self.__version >= 7:
+                self.__root = r"Software\Microsoft\VisualStudio"
+                self.__macros = MacroExpander(self.__version)
+            else:
+                self.__root = r"Software\Microsoft\Devstudio"
+            self.__product = "Visual Studio version %s" % self.__version
+        else:
+            # Win64. Assume this was built with the platform SDK
+            self.__product = "Microsoft SDK compiler %s" % (self.__version + 6)
+
+        self.initialized = False
+
+    def initialize(self):
+        self.__paths = []
+        if (
+            "DISTUTILS_USE_SDK" in os.environ
+            and "MSSdk" in os.environ
+            and self.find_exe("cl.exe")
+        ):
+            # Assume that the SDK set up everything alright; don't try to be
+            # smarter
+            self.cc = "cl.exe"
+            self.linker = "link.exe"
+            self.lib = "lib.exe"
+            self.rc = "rc.exe"
+            self.mc = "mc.exe"
+        else:
+            self.__paths = self.get_msvc_paths("path")
+
+            if len(self.__paths) == 0:
+                raise DistutilsPlatformError(
+                    "Python was built with %s, "
+                    "and extensions need to be built with the same "
+                    "version of the compiler, but it isn't installed." % self.__product
+                )
+
+            self.cc = self.find_exe("cl.exe")
+            self.linker = self.find_exe("link.exe")
+            self.lib = self.find_exe("lib.exe")
+            self.rc = self.find_exe("rc.exe")  # resource compiler
+            self.mc = self.find_exe("mc.exe")  # message compiler
+            self.set_path_env_var('lib')
+            self.set_path_env_var('include')
+
+        # extend the MSVC path with the current path
+        try:
+            for p in os.environ['path'].split(';'):
+                self.__paths.append(p)
+        except KeyError:
+            pass
+        self.__paths = normalize_and_reduce_paths(self.__paths)
+        os.environ['path'] = ";".join(self.__paths)
+
+        self.preprocess_options = None
+        if self.__arch == "Intel":
+            self.compile_options = ['/nologo', '/O2', '/MD', '/W3', '/GX', '/DNDEBUG']
+            self.compile_options_debug = [
+                '/nologo',
+                '/Od',
+                '/MDd',
+                '/W3',
+                '/GX',
+                '/Z7',
+                '/D_DEBUG',
+            ]
+        else:
+            # Win64
+            self.compile_options = ['/nologo', '/O2', '/MD', '/W3', '/GS-', '/DNDEBUG']
+            self.compile_options_debug = [
+                '/nologo',
+                '/Od',
+                '/MDd',
+                '/W3',
+                '/GS-',
+                '/Z7',
+                '/D_DEBUG',
+            ]
+
+        self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
+        if self.__version >= 7:
+            self.ldflags_shared_debug = ['/DLL', '/nologo', '/INCREMENTAL:no', '/DEBUG']
+        else:
+            self.ldflags_shared_debug = [
+                '/DLL',
+                '/nologo',
+                '/INCREMENTAL:no',
+                '/pdb:None',
+                '/DEBUG',
+            ]
+        self.ldflags_static = ['/nologo']
+
+        self.initialized = True
+
+    # -- Worker methods ------------------------------------------------
+
+    def object_filenames(self, source_filenames, strip_dir=0, output_dir=''):
+        # Copied from ccompiler.py, extended to return .res as 'object'-file
+        # for .rc input file
+        if output_dir is None:
+            output_dir = ''
+        obj_names = []
+        for src_name in source_filenames:
+            (base, ext) = os.path.splitext(src_name)
+            base = os.path.splitdrive(base)[1]  # Chop off the drive
+            base = base[os.path.isabs(base) :]  # If abs, chop off leading /
+            if ext not in self.src_extensions:
+                # Better to raise an exception instead of silently continuing
+                # and later complain about sources and targets having
+                # different lengths
+                raise CompileError("Don't know how to compile %s" % src_name)
+            if strip_dir:
+                base = os.path.basename(base)
+            if ext in self._rc_extensions:
+                obj_names.append(os.path.join(output_dir, base + self.res_extension))
+            elif ext in self._mc_extensions:
+                obj_names.append(os.path.join(output_dir, base + self.res_extension))
+            else:
+                obj_names.append(os.path.join(output_dir, base + self.obj_extension))
+        return obj_names
+
+    def compile(  # noqa: C901
+        self,
+        sources,
+        output_dir=None,
+        macros=None,
+        include_dirs=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        depends=None,
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        compile_info = self._setup_compile(
+            output_dir, macros, include_dirs, sources, depends, extra_postargs
+        )
+        macros, objects, extra_postargs, pp_opts, build = compile_info
+
+        compile_opts = extra_preargs or []
+        compile_opts.append('/c')
+        if debug:
+            compile_opts.extend(self.compile_options_debug)
+        else:
+            compile_opts.extend(self.compile_options)
+
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
+            if debug:
+                # pass the full pathname to MSVC in debug mode,
+                # this allows the debugger to find the source file
+                # without asking the user to browse for it
+                src = os.path.abspath(src)
+
+            if ext in self._c_extensions:
+                input_opt = "/Tc" + src
+            elif ext in self._cpp_extensions:
+                input_opt = "/Tp" + src
+            elif ext in self._rc_extensions:
+                # compile .RC to .RES file
+                input_opt = src
+                output_opt = "/fo" + obj
+                try:
+                    self.spawn([self.rc] + pp_opts + [output_opt] + [input_opt])
+                except DistutilsExecError as msg:
+                    raise CompileError(msg)
+                continue
+            elif ext in self._mc_extensions:
+                # Compile .MC to .RC file to .RES file.
+                #   * '-h dir' specifies the directory for the
+                #     generated include file
+                #   * '-r dir' specifies the target directory of the
+                #     generated RC file and the binary message resource
+                #     it includes
+                #
+                # For now (since there are no options to change this),
+                # we use the source-directory for the include file and
+                # the build directory for the RC file and message
+                # resources. This works at least for win32all.
+                h_dir = os.path.dirname(src)
+                rc_dir = os.path.dirname(obj)
+                try:
+                    # first compile .MC to .RC and .H file
+                    self.spawn([self.mc] + ['-h', h_dir, '-r', rc_dir] + [src])
+                    base, _ = os.path.splitext(os.path.basename(src))
+                    rc_file = os.path.join(rc_dir, base + '.rc')
+                    # then compile .RC to .RES file
+                    self.spawn([self.rc] + ["/fo" + obj] + [rc_file])
+
+                except DistutilsExecError as msg:
+                    raise CompileError(msg)
+                continue
+            else:
+                # how to handle this file?
+                raise CompileError(
+                    "Don't know how to compile {} to {}".format(src, obj)
+                )
+
+            output_opt = "/Fo" + obj
+            try:
+                self.spawn(
+                    [self.cc]
+                    + compile_opts
+                    + pp_opts
+                    + [input_opt, output_opt]
+                    + extra_postargs
+                )
+            except DistutilsExecError as msg:
+                raise CompileError(msg)
+
+        return objects
+
+    def create_static_lib(
+        self, objects, output_libname, output_dir=None, debug=0, target_lang=None
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        (objects, output_dir) = self._fix_object_args(objects, output_dir)
+        output_filename = self.library_filename(output_libname, output_dir=output_dir)
+
+        if self._need_link(objects, output_filename):
+            lib_args = objects + ['/OUT:' + output_filename]
+            if debug:
+                pass  # XXX what goes here?
+            try:
+                self.spawn([self.lib] + lib_args)
+            except DistutilsExecError as msg:
+                raise LibError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    def link(  # noqa: C901
+        self,
+        target_desc,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+
+        if not self.initialized:
+            self.initialize()
+        (objects, output_dir) = self._fix_object_args(objects, output_dir)
+        fixed_args = self._fix_lib_args(libraries, library_dirs, runtime_library_dirs)
+        (libraries, library_dirs, runtime_library_dirs) = fixed_args
+
+        if runtime_library_dirs:
+            self.warn(
+                "I don't know what to do with 'runtime_library_dirs': "
+                + str(runtime_library_dirs)
+            )
+
+        lib_opts = gen_lib_options(self, library_dirs, runtime_library_dirs, libraries)
+        if output_dir is not None:
+            output_filename = os.path.join(output_dir, output_filename)
+
+        if self._need_link(objects, output_filename):
+            if target_desc == CCompiler.EXECUTABLE:
+                if debug:
+                    ldflags = self.ldflags_shared_debug[1:]
+                else:
+                    ldflags = self.ldflags_shared[1:]
+            else:
+                if debug:
+                    ldflags = self.ldflags_shared_debug
+                else:
+                    ldflags = self.ldflags_shared
+
+            export_opts = []
+            for sym in export_symbols or []:
+                export_opts.append("/EXPORT:" + sym)
+
+            ld_args = (
+                ldflags + lib_opts + export_opts + objects + ['/OUT:' + output_filename]
+            )
+
+            # The MSVC linker generates .lib and .exp files, which cannot be
+            # suppressed by any linker switches. The .lib files may even be
+            # needed! Make sure they are generated in the temporary build
+            # directory. Since they have different names for debug and release
+            # builds, they can go into the same directory.
+            if export_symbols is not None:
+                (dll_name, dll_ext) = os.path.splitext(
+                    os.path.basename(output_filename)
+                )
+                implib_file = os.path.join(
+                    os.path.dirname(objects[0]), self.library_filename(dll_name)
+                )
+                ld_args.append('/IMPLIB:' + implib_file)
+
+            if extra_preargs:
+                ld_args[:0] = extra_preargs
+            if extra_postargs:
+                ld_args.extend(extra_postargs)
+
+            self.mkpath(os.path.dirname(output_filename))
+            try:
+                self.spawn([self.linker] + ld_args)
+            except DistutilsExecError as msg:
+                raise LinkError(msg)
+
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    # -- Miscellaneous methods -----------------------------------------
+    # These are all used by the 'gen_lib_options() function, in
+    # ccompiler.py.
+
+    def library_dir_option(self, dir):
+        return "/LIBPATH:" + dir
+
+    def runtime_library_dir_option(self, dir):
+        raise DistutilsPlatformError(
+            "don't know how to set runtime library search path for MSVC++"
+        )
+
+    def library_option(self, lib):
+        return self.library_filename(lib)
+
+    def find_library_file(self, dirs, lib, debug=0):
+        # Prefer a debugging library if found (and requested), but deal
+        # with it if we don't have one.
+        if debug:
+            try_names = [lib + "_d", lib]
+        else:
+            try_names = [lib]
+        for dir in dirs:
+            for name in try_names:
+                libfile = os.path.join(dir, self.library_filename(name))
+                if os.path.exists(libfile):
+                    return libfile
+        else:
+            # Oops, didn't find it in *any* of 'dirs'
+            return None
+
+    # Helper methods for using the MSVC registry settings
+
+    def find_exe(self, exe):
+        """Return path to an MSVC executable program.
+
+        Tries to find the program in several places: first, one of the
+        MSVC program search paths from the registry; next, the directories
+        in the PATH environment variable.  If any of those work, return an
+        absolute path that is known to exist.  If none of them work, just
+        return the original program name, 'exe'.
+        """
+        for p in self.__paths:
+            fn = os.path.join(os.path.abspath(p), exe)
+            if os.path.isfile(fn):
+                return fn
+
+        # didn't find it; try existing path
+        for p in os.environ['Path'].split(';'):
+            fn = os.path.join(os.path.abspath(p), exe)
+            if os.path.isfile(fn):
+                return fn
+
+        return exe
+
+    def get_msvc_paths(self, path, platform='x86'):
+        """Get a list of devstudio directories (include, lib or path).
+
+        Return a list of strings.  The list will be empty if unable to
+        access the registry or appropriate registry keys not found.
+        """
+        if not _can_read_reg:
+            return []
+
+        path = path + " dirs"
+        if self.__version >= 7:
+            key = r"{}\{:0.1f}\VC\VC_OBJECTS_PLATFORM_INFO\Win32\Directories".format(
+                self.__root,
+                self.__version,
+            )
+        else:
+            key = (
+                r"%s\6.0\Build System\Components\Platforms"
+                r"\Win32 (%s)\Directories" % (self.__root, platform)
+            )
+
+        for base in HKEYS:
+            d = read_values(base, key)
+            if d:
+                if self.__version >= 7:
+                    return self.__macros.sub(d[path]).split(";")
+                else:
+                    return d[path].split(";")
+        # MSVC 6 seems to create the registry entries we need only when
+        # the GUI is run.
+        if self.__version == 6:
+            for base in HKEYS:
+                if read_values(base, r"%s\6.0" % self.__root) is not None:
+                    self.warn(
+                        "It seems you have Visual Studio 6 installed, "
+                        "but the expected registry settings are not present.\n"
+                        "You must at least run the Visual Studio GUI once "
+                        "so that these entries are created."
+                    )
+                    break
+        return []
+
+    def set_path_env_var(self, name):
+        """Set environment variable 'name' to an MSVC path type value.
+
+        This is equivalent to a SET command prior to execution of spawned
+        commands.
+        """
+
+        if name == "lib":
+            p = self.get_msvc_paths("library")
+        else:
+            p = self.get_msvc_paths(name)
+        if p:
+            os.environ[name] = ';'.join(p)
+
+
+if get_build_version() >= 8.0:
+    log.debug("Importing new compiler from distutils.msvc9compiler")
+    OldMSVCCompiler = MSVCCompiler
+    from distutils.msvc9compiler import MSVCCompiler
+
+    # get_build_architecture not really relevant now we support cross-compile
+    from distutils.msvc9compiler import MacroExpander  # noqa: F811
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/py38compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/py38compat.py
new file mode 100644
index 00000000..59224e71
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/py38compat.py
@@ -0,0 +1,8 @@
+def aix_platform(osname, version, release):
+    try:
+        import _aix_support
+
+        return _aix_support.aix_platform()
+    except ImportError:
+        pass
+    return "{}-{}.{}".format(osname, version, release)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/py39compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/py39compat.py
new file mode 100644
index 00000000..c43e5f10
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/py39compat.py
@@ -0,0 +1,22 @@
+import sys
+import platform
+
+
+def add_ext_suffix_39(vars):
+    """
+    Ensure vars contains 'EXT_SUFFIX'. pypa/distutils#130
+    """
+    import _imp
+
+    ext_suffix = _imp.extension_suffixes()[0]
+    vars.update(
+        EXT_SUFFIX=ext_suffix,
+        # sysconfig sets SO to match EXT_SUFFIX, so maintain
+        # that expectation.
+        # https://github.com/python/cpython/blob/785cc6770588de087d09e89a69110af2542be208/Lib/sysconfig.py#L671-L673
+        SO=ext_suffix,
+    )
+
+
+needs_ext_suffix = sys.version_info < (3, 10) and platform.system() == 'Windows'
+add_ext_suffix = add_ext_suffix_39 if needs_ext_suffix else lambda vars: None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/spawn.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/spawn.py
new file mode 100644
index 00000000..b18ba9db
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/spawn.py
@@ -0,0 +1,109 @@
+"""distutils.spawn
+
+Provides the 'spawn()' function, a front-end to various platform-
+specific functions for launching another program in a sub-process.
+Also provides the 'find_executable()' to search the path for a given
+executable name.
+"""
+
+import sys
+import os
+import subprocess
+
+from distutils.errors import DistutilsExecError
+from distutils.debug import DEBUG
+from distutils import log
+
+
+def spawn(cmd, search_path=1, verbose=0, dry_run=0, env=None):  # noqa: C901
+    """Run another program, specified as a command list 'cmd', in a new process.
+
+    'cmd' is just the argument list for the new process, ie.
+    cmd[0] is the program to run and cmd[1:] are the rest of its arguments.
+    There is no way to run a program with a name different from that of its
+    executable.
+
+    If 'search_path' is true (the default), the system's executable
+    search path will be used to find the program; otherwise, cmd[0]
+    must be the exact path to the executable.  If 'dry_run' is true,
+    the command will not actually be run.
+
+    Raise DistutilsExecError if running the program fails in any way; just
+    return on success.
+    """
+    # cmd is documented as a list, but just in case some code passes a tuple
+    # in, protect our %-formatting code against horrible death
+    cmd = list(cmd)
+
+    log.info(subprocess.list2cmdline(cmd))
+    if dry_run:
+        return
+
+    if search_path:
+        executable = find_executable(cmd[0])
+        if executable is not None:
+            cmd[0] = executable
+
+    env = env if env is not None else dict(os.environ)
+
+    if sys.platform == 'darwin':
+        from distutils.util import MACOSX_VERSION_VAR, get_macosx_target_ver
+
+        macosx_target_ver = get_macosx_target_ver()
+        if macosx_target_ver:
+            env[MACOSX_VERSION_VAR] = macosx_target_ver
+
+    try:
+        proc = subprocess.Popen(cmd, env=env)
+        proc.wait()
+        exitcode = proc.returncode
+    except OSError as exc:
+        if not DEBUG:
+            cmd = cmd[0]
+        raise DistutilsExecError(
+            "command {!r} failed: {}".format(cmd, exc.args[-1])
+        ) from exc
+
+    if exitcode:
+        if not DEBUG:
+            cmd = cmd[0]
+        raise DistutilsExecError(
+            "command {!r} failed with exit code {}".format(cmd, exitcode)
+        )
+
+
+def find_executable(executable, path=None):
+    """Tries to find 'executable' in the directories listed in 'path'.
+
+    A string listing directories separated by 'os.pathsep'; defaults to
+    os.environ['PATH'].  Returns the complete filename or None if not found.
+    """
+    _, ext = os.path.splitext(executable)
+    if (sys.platform == 'win32') and (ext != '.exe'):
+        executable = executable + '.exe'
+
+    if os.path.isfile(executable):
+        return executable
+
+    if path is None:
+        path = os.environ.get('PATH', None)
+        if path is None:
+            try:
+                path = os.confstr("CS_PATH")
+            except (AttributeError, ValueError):
+                # os.confstr() or CS_PATH is not available
+                path = os.defpath
+        # bpo-35755: Don't use os.defpath if the PATH environment variable is
+        # set to an empty string
+
+    # PATH='' doesn't match, whereas PATH=':' looks in the current directory
+    if not path:
+        return None
+
+    paths = path.split(os.pathsep)
+    for p in paths:
+        f = os.path.join(p, executable)
+        if os.path.isfile(f):
+            # the file exists, we have a shot at spawn working
+            return f
+    return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/sysconfig.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/sysconfig.py
new file mode 100644
index 00000000..6a979f8c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/sysconfig.py
@@ -0,0 +1,558 @@
+"""Provide access to Python's configuration information.  The specific
+configuration variables available depend heavily on the platform and
+configuration.  The values may be retrieved using
+get_config_var(name), and the list of variables is available via
+get_config_vars().keys().  Additional convenience functions are also
+available.
+
+Written by:   Fred L. Drake, Jr.
+Email:        <fdrake@acm.org>
+"""
+
+import os
+import re
+import sys
+import sysconfig
+import pathlib
+
+from .errors import DistutilsPlatformError
+from . import py39compat
+from ._functools import pass_none
+
+IS_PYPY = '__pypy__' in sys.builtin_module_names
+
+# These are needed in a couple of spots, so just compute them once.
+PREFIX = os.path.normpath(sys.prefix)
+EXEC_PREFIX = os.path.normpath(sys.exec_prefix)
+BASE_PREFIX = os.path.normpath(sys.base_prefix)
+BASE_EXEC_PREFIX = os.path.normpath(sys.base_exec_prefix)
+
+# Path to the base directory of the project. On Windows the binary may
+# live in project/PCbuild/win32 or project/PCbuild/amd64.
+# set for cross builds
+if "_PYTHON_PROJECT_BASE" in os.environ:
+    project_base = os.path.abspath(os.environ["_PYTHON_PROJECT_BASE"])
+else:
+    if sys.executable:
+        project_base = os.path.dirname(os.path.abspath(sys.executable))
+    else:
+        # sys.executable can be empty if argv[0] has been changed and Python is
+        # unable to retrieve the real program name
+        project_base = os.getcwd()
+
+
+def _is_python_source_dir(d):
+    """
+    Return True if the target directory appears to point to an
+    un-installed Python.
+    """
+    modules = pathlib.Path(d).joinpath('Modules')
+    return any(modules.joinpath(fn).is_file() for fn in ('Setup', 'Setup.local'))
+
+
+_sys_home = getattr(sys, '_home', None)
+
+
+def _is_parent(dir_a, dir_b):
+    """
+    Return True if a is a parent of b.
+    """
+    return os.path.normcase(dir_a).startswith(os.path.normcase(dir_b))
+
+
+if os.name == 'nt':
+
+    @pass_none
+    def _fix_pcbuild(d):
+        # In a venv, sys._home will be inside BASE_PREFIX rather than PREFIX.
+        prefixes = PREFIX, BASE_PREFIX
+        matched = (
+            prefix
+            for prefix in prefixes
+            if _is_parent(d, os.path.join(prefix, "PCbuild"))
+        )
+        return next(matched, d)
+
+    project_base = _fix_pcbuild(project_base)
+    _sys_home = _fix_pcbuild(_sys_home)
+
+
+def _python_build():
+    if _sys_home:
+        return _is_python_source_dir(_sys_home)
+    return _is_python_source_dir(project_base)
+
+
+python_build = _python_build()
+
+
+# Calculate the build qualifier flags if they are defined.  Adding the flags
+# to the include and lib directories only makes sense for an installation, not
+# an in-source build.
+build_flags = ''
+try:
+    if not python_build:
+        build_flags = sys.abiflags
+except AttributeError:
+    # It's not a configure-based build, so the sys module doesn't have
+    # this attribute, which is fine.
+    pass
+
+
+def get_python_version():
+    """Return a string containing the major and minor Python version,
+    leaving off the patchlevel.  Sample return values could be '1.5'
+    or '2.2'.
+    """
+    return '%d.%d' % sys.version_info[:2]
+
+
+def get_python_inc(plat_specific=0, prefix=None):
+    """Return the directory containing installed Python header files.
+
+    If 'plat_specific' is false (the default), this is the path to the
+    non-platform-specific header files, i.e. Python.h and so on;
+    otherwise, this is the path to platform-specific header files
+    (namely pyconfig.h).
+
+    If 'prefix' is supplied, use it instead of sys.base_prefix or
+    sys.base_exec_prefix -- i.e., ignore 'plat_specific'.
+    """
+    default_prefix = BASE_EXEC_PREFIX if plat_specific else BASE_PREFIX
+    resolved_prefix = prefix if prefix is not None else default_prefix
+    try:
+        getter = globals()[f'_get_python_inc_{os.name}']
+    except KeyError:
+        raise DistutilsPlatformError(
+            "I don't know where Python installs its C header files "
+            "on platform '%s'" % os.name
+        )
+    return getter(resolved_prefix, prefix, plat_specific)
+
+
+def _get_python_inc_posix(prefix, spec_prefix, plat_specific):
+    if IS_PYPY and sys.version_info < (3, 8):
+        return os.path.join(prefix, 'include')
+    return (
+        _get_python_inc_posix_python(plat_specific)
+        or _get_python_inc_from_config(plat_specific, spec_prefix)
+        or _get_python_inc_posix_prefix(prefix)
+    )
+
+
+def _get_python_inc_posix_python(plat_specific):
+    """
+    Assume the executable is in the build directory. The
+    pyconfig.h file should be in the same directory. Since
+    the build directory may not be the source directory,
+    use "srcdir" from the makefile to find the "Include"
+    directory.
+    """
+    if not python_build:
+        return
+    if plat_specific:
+        return _sys_home or project_base
+    incdir = os.path.join(get_config_var('srcdir'), 'Include')
+    return os.path.normpath(incdir)
+
+
+def _get_python_inc_from_config(plat_specific, spec_prefix):
+    """
+    If no prefix was explicitly specified, provide the include
+    directory from the config vars. Useful when
+    cross-compiling, since the config vars may come from
+    the host
+    platform Python installation, while the current Python
+    executable is from the build platform installation.
+
+    >>> monkeypatch = getfixture('monkeypatch')
+    >>> gpifc = _get_python_inc_from_config
+    >>> monkeypatch.setitem(gpifc.__globals__, 'get_config_var', str.lower)
+    >>> gpifc(False, '/usr/bin/')
+    >>> gpifc(False, '')
+    >>> gpifc(False, None)
+    'includepy'
+    >>> gpifc(True, None)
+    'confincludepy'
+    """
+    if spec_prefix is None:
+        return get_config_var('CONF' * plat_specific + 'INCLUDEPY')
+
+
+def _get_python_inc_posix_prefix(prefix):
+    implementation = 'pypy' if IS_PYPY else 'python'
+    python_dir = implementation + get_python_version() + build_flags
+    return os.path.join(prefix, "include", python_dir)
+
+
+def _get_python_inc_nt(prefix, spec_prefix, plat_specific):
+    if python_build:
+        # Include both the include and PC dir to ensure we can find
+        # pyconfig.h
+        return (
+            os.path.join(prefix, "include")
+            + os.path.pathsep
+            + os.path.join(prefix, "PC")
+        )
+    return os.path.join(prefix, "include")
+
+
+# allow this behavior to be monkey-patched. Ref pypa/distutils#2.
+def _posix_lib(standard_lib, libpython, early_prefix, prefix):
+    if standard_lib:
+        return libpython
+    else:
+        return os.path.join(libpython, "site-packages")
+
+
+def get_python_lib(plat_specific=0, standard_lib=0, prefix=None):
+    """Return the directory containing the Python library (standard or
+    site additions).
+
+    If 'plat_specific' is true, return the directory containing
+    platform-specific modules, i.e. any module from a non-pure-Python
+    module distribution; otherwise, return the platform-shared library
+    directory.  If 'standard_lib' is true, return the directory
+    containing standard Python library modules; otherwise, return the
+    directory for site-specific modules.
+
+    If 'prefix' is supplied, use it instead of sys.base_prefix or
+    sys.base_exec_prefix -- i.e., ignore 'plat_specific'.
+    """
+
+    if IS_PYPY and sys.version_info < (3, 8):
+        # PyPy-specific schema
+        if prefix is None:
+            prefix = PREFIX
+        if standard_lib:
+            return os.path.join(prefix, "lib-python", sys.version[0])
+        return os.path.join(prefix, 'site-packages')
+
+    early_prefix = prefix
+
+    if prefix is None:
+        if standard_lib:
+            prefix = plat_specific and BASE_EXEC_PREFIX or BASE_PREFIX
+        else:
+            prefix = plat_specific and EXEC_PREFIX or PREFIX
+
+    if os.name == "posix":
+        if plat_specific or standard_lib:
+            # Platform-specific modules (any module from a non-pure-Python
+            # module distribution) or standard Python library modules.
+            libdir = getattr(sys, "platlibdir", "lib")
+        else:
+            # Pure Python
+            libdir = "lib"
+        implementation = 'pypy' if IS_PYPY else 'python'
+        libpython = os.path.join(prefix, libdir, implementation + get_python_version())
+        return _posix_lib(standard_lib, libpython, early_prefix, prefix)
+    elif os.name == "nt":
+        if standard_lib:
+            return os.path.join(prefix, "Lib")
+        else:
+            return os.path.join(prefix, "Lib", "site-packages")
+    else:
+        raise DistutilsPlatformError(
+            "I don't know where Python installs its library "
+            "on platform '%s'" % os.name
+        )
+
+
+def customize_compiler(compiler):  # noqa: C901
+    """Do any platform-specific customization of a CCompiler instance.
+
+    Mainly needed on Unix, so we can plug in the information that
+    varies across Unices and is stored in Python's Makefile.
+    """
+    if compiler.compiler_type == "unix":
+        if sys.platform == "darwin":
+            # Perform first-time customization of compiler-related
+            # config vars on OS X now that we know we need a compiler.
+            # This is primarily to support Pythons from binary
+            # installers.  The kind and paths to build tools on
+            # the user system may vary significantly from the system
+            # that Python itself was built on.  Also the user OS
+            # version and build tools may not support the same set
+            # of CPU architectures for universal builds.
+            global _config_vars
+            # Use get_config_var() to ensure _config_vars is initialized.
+            if not get_config_var('CUSTOMIZED_OSX_COMPILER'):
+                import _osx_support
+
+                _osx_support.customize_compiler(_config_vars)
+                _config_vars['CUSTOMIZED_OSX_COMPILER'] = 'True'
+
+        (
+            cc,
+            cxx,
+            cflags,
+            ccshared,
+            ldshared,
+            shlib_suffix,
+            ar,
+            ar_flags,
+        ) = get_config_vars(
+            'CC',
+            'CXX',
+            'CFLAGS',
+            'CCSHARED',
+            'LDSHARED',
+            'SHLIB_SUFFIX',
+            'AR',
+            'ARFLAGS',
+        )
+
+        if 'CC' in os.environ:
+            newcc = os.environ['CC']
+            if 'LDSHARED' not in os.environ and ldshared.startswith(cc):
+                # If CC is overridden, use that as the default
+                #       command for LDSHARED as well
+                ldshared = newcc + ldshared[len(cc) :]
+            cc = newcc
+        if 'CXX' in os.environ:
+            cxx = os.environ['CXX']
+        if 'LDSHARED' in os.environ:
+            ldshared = os.environ['LDSHARED']
+        if 'CPP' in os.environ:
+            cpp = os.environ['CPP']
+        else:
+            cpp = cc + " -E"  # not always
+        if 'LDFLAGS' in os.environ:
+            ldshared = ldshared + ' ' + os.environ['LDFLAGS']
+        if 'CFLAGS' in os.environ:
+            cflags = cflags + ' ' + os.environ['CFLAGS']
+            ldshared = ldshared + ' ' + os.environ['CFLAGS']
+        if 'CPPFLAGS' in os.environ:
+            cpp = cpp + ' ' + os.environ['CPPFLAGS']
+            cflags = cflags + ' ' + os.environ['CPPFLAGS']
+            ldshared = ldshared + ' ' + os.environ['CPPFLAGS']
+        if 'AR' in os.environ:
+            ar = os.environ['AR']
+        if 'ARFLAGS' in os.environ:
+            archiver = ar + ' ' + os.environ['ARFLAGS']
+        else:
+            archiver = ar + ' ' + ar_flags
+
+        cc_cmd = cc + ' ' + cflags
+        compiler.set_executables(
+            preprocessor=cpp,
+            compiler=cc_cmd,
+            compiler_so=cc_cmd + ' ' + ccshared,
+            compiler_cxx=cxx,
+            linker_so=ldshared,
+            linker_exe=cc,
+            archiver=archiver,
+        )
+
+        if 'RANLIB' in os.environ and compiler.executables.get('ranlib', None):
+            compiler.set_executables(ranlib=os.environ['RANLIB'])
+
+        compiler.shared_lib_extension = shlib_suffix
+
+
+def get_config_h_filename():
+    """Return full pathname of installed pyconfig.h file."""
+    if python_build:
+        if os.name == "nt":
+            inc_dir = os.path.join(_sys_home or project_base, "PC")
+        else:
+            inc_dir = _sys_home or project_base
+        return os.path.join(inc_dir, 'pyconfig.h')
+    else:
+        return sysconfig.get_config_h_filename()
+
+
+def get_makefile_filename():
+    """Return full pathname of installed Makefile from the Python build."""
+    return sysconfig.get_makefile_filename()
+
+
+def parse_config_h(fp, g=None):
+    """Parse a config.h-style file.
+
+    A dictionary containing name/value pairs is returned.  If an
+    optional dictionary is passed in as the second argument, it is
+    used instead of a new dictionary.
+    """
+    return sysconfig.parse_config_h(fp, vars=g)
+
+
+# Regexes needed for parsing Makefile (and similar syntaxes,
+# like old-style Setup files).
+_variable_rx = re.compile(r"([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)")
+_findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)")
+_findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}")
+
+
+def parse_makefile(fn, g=None):  # noqa: C901
+    """Parse a Makefile-style file.
+
+    A dictionary containing name/value pairs is returned.  If an
+    optional dictionary is passed in as the second argument, it is
+    used instead of a new dictionary.
+    """
+    from distutils.text_file import TextFile
+
+    fp = TextFile(
+        fn, strip_comments=1, skip_blanks=1, join_lines=1, errors="surrogateescape"
+    )
+
+    if g is None:
+        g = {}
+    done = {}
+    notdone = {}
+
+    while True:
+        line = fp.readline()
+        if line is None:  # eof
+            break
+        m = _variable_rx.match(line)
+        if m:
+            n, v = m.group(1, 2)
+            v = v.strip()
+            # `$$' is a literal `$' in make
+            tmpv = v.replace('$$', '')
+
+            if "$" in tmpv:
+                notdone[n] = v
+            else:
+                try:
+                    v = int(v)
+                except ValueError:
+                    # insert literal `$'
+                    done[n] = v.replace('$$', '$')
+                else:
+                    done[n] = v
+
+    # Variables with a 'PY_' prefix in the makefile. These need to
+    # be made available without that prefix through sysconfig.
+    # Special care is needed to ensure that variable expansion works, even
+    # if the expansion uses the name without a prefix.
+    renamed_variables = ('CFLAGS', 'LDFLAGS', 'CPPFLAGS')
+
+    # do variable interpolation here
+    while notdone:
+        for name in list(notdone):
+            value = notdone[name]
+            m = _findvar1_rx.search(value) or _findvar2_rx.search(value)
+            if m:
+                n = m.group(1)
+                found = True
+                if n in done:
+                    item = str(done[n])
+                elif n in notdone:
+                    # get it on a subsequent round
+                    found = False
+                elif n in os.environ:
+                    # do it like make: fall back to environment
+                    item = os.environ[n]
+
+                elif n in renamed_variables:
+                    if name.startswith('PY_') and name[3:] in renamed_variables:
+                        item = ""
+
+                    elif 'PY_' + n in notdone:
+                        found = False
+
+                    else:
+                        item = str(done['PY_' + n])
+                else:
+                    done[n] = item = ""
+                if found:
+                    after = value[m.end() :]
+                    value = value[: m.start()] + item + after
+                    if "$" in after:
+                        notdone[name] = value
+                    else:
+                        try:
+                            value = int(value)
+                        except ValueError:
+                            done[name] = value.strip()
+                        else:
+                            done[name] = value
+                        del notdone[name]
+
+                        if name.startswith('PY_') and name[3:] in renamed_variables:
+
+                            name = name[3:]
+                            if name not in done:
+                                done[name] = value
+            else:
+                # bogus variable reference; just drop it since we can't deal
+                del notdone[name]
+
+    fp.close()
+
+    # strip spurious spaces
+    for k, v in done.items():
+        if isinstance(v, str):
+            done[k] = v.strip()
+
+    # save the results in the global dictionary
+    g.update(done)
+    return g
+
+
+def expand_makefile_vars(s, vars):
+    """Expand Makefile-style variables -- "${foo}" or "$(foo)" -- in
+    'string' according to 'vars' (a dictionary mapping variable names to
+    values).  Variables not present in 'vars' are silently expanded to the
+    empty string.  The variable values in 'vars' should not contain further
+    variable expansions; if 'vars' is the output of 'parse_makefile()',
+    you're fine.  Returns a variable-expanded version of 's'.
+    """
+
+    # This algorithm does multiple expansion, so if vars['foo'] contains
+    # "${bar}", it will expand ${foo} to ${bar}, and then expand
+    # ${bar}... and so forth.  This is fine as long as 'vars' comes from
+    # 'parse_makefile()', which takes care of such expansions eagerly,
+    # according to make's variable expansion semantics.
+
+    while True:
+        m = _findvar1_rx.search(s) or _findvar2_rx.search(s)
+        if m:
+            (beg, end) = m.span()
+            s = s[0:beg] + vars.get(m.group(1)) + s[end:]
+        else:
+            break
+    return s
+
+
+_config_vars = None
+
+
+def get_config_vars(*args):
+    """With no arguments, return a dictionary of all configuration
+    variables relevant for the current platform.  Generally this includes
+    everything needed to build extensions and install both pure modules and
+    extensions.  On Unix, this means every variable defined in Python's
+    installed Makefile; on Windows it's a much smaller set.
+
+    With arguments, return a list of values that result from looking up
+    each argument in the configuration variable dictionary.
+    """
+    global _config_vars
+    if _config_vars is None:
+        _config_vars = sysconfig.get_config_vars().copy()
+        py39compat.add_ext_suffix(_config_vars)
+
+    if args:
+        vals = []
+        for name in args:
+            vals.append(_config_vars.get(name))
+        return vals
+    else:
+        return _config_vars
+
+
+def get_config_var(name):
+    """Return the value of a single variable using the dictionary
+    returned by 'get_config_vars()'.  Equivalent to
+    get_config_vars().get(name)
+    """
+    if name == 'SO':
+        import warnings
+
+        warnings.warn('SO is deprecated, use EXT_SUFFIX', DeprecationWarning, 2)
+    return get_config_vars().get(name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/text_file.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/text_file.py
new file mode 100644
index 00000000..7274d4b1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/text_file.py
@@ -0,0 +1,287 @@
+"""text_file
+
+provides the TextFile class, which gives an interface to text files
+that (optionally) takes care of stripping comments, ignoring blank
+lines, and joining lines with backslashes."""
+
+import sys
+
+
+class TextFile:
+    """Provides a file-like object that takes care of all the things you
+    commonly want to do when processing a text file that has some
+    line-by-line syntax: strip comments (as long as "#" is your
+    comment character), skip blank lines, join adjacent lines by
+    escaping the newline (ie. backslash at end of line), strip
+    leading and/or trailing whitespace.  All of these are optional
+    and independently controllable.
+
+    Provides a 'warn()' method so you can generate warning messages that
+    report physical line number, even if the logical line in question
+    spans multiple physical lines.  Also provides 'unreadline()' for
+    implementing line-at-a-time lookahead.
+
+    Constructor is called as:
+
+        TextFile (filename=None, file=None, **options)
+
+    It bombs (RuntimeError) if both 'filename' and 'file' are None;
+    'filename' should be a string, and 'file' a file object (or
+    something that provides 'readline()' and 'close()' methods).  It is
+    recommended that you supply at least 'filename', so that TextFile
+    can include it in warning messages.  If 'file' is not supplied,
+    TextFile creates its own using 'io.open()'.
+
+    The options are all boolean, and affect the value returned by
+    'readline()':
+      strip_comments [default: true]
+        strip from "#" to end-of-line, as well as any whitespace
+        leading up to the "#" -- unless it is escaped by a backslash
+      lstrip_ws [default: false]
+        strip leading whitespace from each line before returning it
+      rstrip_ws [default: true]
+        strip trailing whitespace (including line terminator!) from
+        each line before returning it
+      skip_blanks [default: true}
+        skip lines that are empty *after* stripping comments and
+        whitespace.  (If both lstrip_ws and rstrip_ws are false,
+        then some lines may consist of solely whitespace: these will
+        *not* be skipped, even if 'skip_blanks' is true.)
+      join_lines [default: false]
+        if a backslash is the last non-newline character on a line
+        after stripping comments and whitespace, join the following line
+        to it to form one "logical line"; if N consecutive lines end
+        with a backslash, then N+1 physical lines will be joined to
+        form one logical line.
+      collapse_join [default: false]
+        strip leading whitespace from lines that are joined to their
+        predecessor; only matters if (join_lines and not lstrip_ws)
+      errors [default: 'strict']
+        error handler used to decode the file content
+
+    Note that since 'rstrip_ws' can strip the trailing newline, the
+    semantics of 'readline()' must differ from those of the builtin file
+    object's 'readline()' method!  In particular, 'readline()' returns
+    None for end-of-file: an empty string might just be a blank line (or
+    an all-whitespace line), if 'rstrip_ws' is true but 'skip_blanks' is
+    not."""
+
+    default_options = {
+        'strip_comments': 1,
+        'skip_blanks': 1,
+        'lstrip_ws': 0,
+        'rstrip_ws': 1,
+        'join_lines': 0,
+        'collapse_join': 0,
+        'errors': 'strict',
+    }
+
+    def __init__(self, filename=None, file=None, **options):
+        """Construct a new TextFile object.  At least one of 'filename'
+        (a string) and 'file' (a file-like object) must be supplied.
+        They keyword argument options are described above and affect
+        the values returned by 'readline()'."""
+        if filename is None and file is None:
+            raise RuntimeError(
+                "you must supply either or both of 'filename' and 'file'"
+            )
+
+        # set values for all options -- either from client option hash
+        # or fallback to default_options
+        for opt in self.default_options.keys():
+            if opt in options:
+                setattr(self, opt, options[opt])
+            else:
+                setattr(self, opt, self.default_options[opt])
+
+        # sanity check client option hash
+        for opt in options.keys():
+            if opt not in self.default_options:
+                raise KeyError("invalid TextFile option '%s'" % opt)
+
+        if file is None:
+            self.open(filename)
+        else:
+            self.filename = filename
+            self.file = file
+            self.current_line = 0  # assuming that file is at BOF!
+
+        # 'linebuf' is a stack of lines that will be emptied before we
+        # actually read from the file; it's only populated by an
+        # 'unreadline()' operation
+        self.linebuf = []
+
+    def open(self, filename):
+        """Open a new file named 'filename'.  This overrides both the
+        'filename' and 'file' arguments to the constructor."""
+        self.filename = filename
+        self.file = open(self.filename, errors=self.errors)
+        self.current_line = 0
+
+    def close(self):
+        """Close the current file and forget everything we know about it
+        (filename, current line number)."""
+        file = self.file
+        self.file = None
+        self.filename = None
+        self.current_line = None
+        file.close()
+
+    def gen_error(self, msg, line=None):
+        outmsg = []
+        if line is None:
+            line = self.current_line
+        outmsg.append(self.filename + ", ")
+        if isinstance(line, (list, tuple)):
+            outmsg.append("lines %d-%d: " % tuple(line))
+        else:
+            outmsg.append("line %d: " % line)
+        outmsg.append(str(msg))
+        return "".join(outmsg)
+
+    def error(self, msg, line=None):
+        raise ValueError("error: " + self.gen_error(msg, line))
+
+    def warn(self, msg, line=None):
+        """Print (to stderr) a warning message tied to the current logical
+        line in the current file.  If the current logical line in the
+        file spans multiple physical lines, the warning refers to the
+        whole range, eg. "lines 3-5".  If 'line' supplied, it overrides
+        the current line number; it may be a list or tuple to indicate a
+        range of physical lines, or an integer for a single physical
+        line."""
+        sys.stderr.write("warning: " + self.gen_error(msg, line) + "\n")
+
+    def readline(self):  # noqa: C901
+        """Read and return a single logical line from the current file (or
+        from an internal buffer if lines have previously been "unread"
+        with 'unreadline()').  If the 'join_lines' option is true, this
+        may involve reading multiple physical lines concatenated into a
+        single string.  Updates the current line number, so calling
+        'warn()' after 'readline()' emits a warning about the physical
+        line(s) just read.  Returns None on end-of-file, since the empty
+        string can occur if 'rstrip_ws' is true but 'strip_blanks' is
+        not."""
+        # If any "unread" lines waiting in 'linebuf', return the top
+        # one.  (We don't actually buffer read-ahead data -- lines only
+        # get put in 'linebuf' if the client explicitly does an
+        # 'unreadline()'.
+        if self.linebuf:
+            line = self.linebuf[-1]
+            del self.linebuf[-1]
+            return line
+
+        buildup_line = ''
+
+        while True:
+            # read the line, make it None if EOF
+            line = self.file.readline()
+            if line == '':
+                line = None
+
+            if self.strip_comments and line:
+
+                # Look for the first "#" in the line.  If none, never
+                # mind.  If we find one and it's the first character, or
+                # is not preceded by "\", then it starts a comment --
+                # strip the comment, strip whitespace before it, and
+                # carry on.  Otherwise, it's just an escaped "#", so
+                # unescape it (and any other escaped "#"'s that might be
+                # lurking in there) and otherwise leave the line alone.
+
+                pos = line.find("#")
+                if pos == -1:  # no "#" -- no comments
+                    pass
+
+                # It's definitely a comment -- either "#" is the first
+                # character, or it's elsewhere and unescaped.
+                elif pos == 0 or line[pos - 1] != "\\":
+                    # Have to preserve the trailing newline, because it's
+                    # the job of a later step (rstrip_ws) to remove it --
+                    # and if rstrip_ws is false, we'd better preserve it!
+                    # (NB. this means that if the final line is all comment
+                    # and has no trailing newline, we will think that it's
+                    # EOF; I think that's OK.)
+                    eol = (line[-1] == '\n') and '\n' or ''
+                    line = line[0:pos] + eol
+
+                    # If all that's left is whitespace, then skip line
+                    # *now*, before we try to join it to 'buildup_line' --
+                    # that way constructs like
+                    #   hello \\
+                    #   # comment that should be ignored
+                    #   there
+                    # result in "hello there".
+                    if line.strip() == "":
+                        continue
+                else:  # it's an escaped "#"
+                    line = line.replace("\\#", "#")
+
+            # did previous line end with a backslash? then accumulate
+            if self.join_lines and buildup_line:
+                # oops: end of file
+                if line is None:
+                    self.warn("continuation line immediately precedes " "end-of-file")
+                    return buildup_line
+
+                if self.collapse_join:
+                    line = line.lstrip()
+                line = buildup_line + line
+
+                # careful: pay attention to line number when incrementing it
+                if isinstance(self.current_line, list):
+                    self.current_line[1] = self.current_line[1] + 1
+                else:
+                    self.current_line = [self.current_line, self.current_line + 1]
+            # just an ordinary line, read it as usual
+            else:
+                if line is None:  # eof
+                    return None
+
+                # still have to be careful about incrementing the line number!
+                if isinstance(self.current_line, list):
+                    self.current_line = self.current_line[1] + 1
+                else:
+                    self.current_line = self.current_line + 1
+
+            # strip whitespace however the client wants (leading and
+            # trailing, or one or the other, or neither)
+            if self.lstrip_ws and self.rstrip_ws:
+                line = line.strip()
+            elif self.lstrip_ws:
+                line = line.lstrip()
+            elif self.rstrip_ws:
+                line = line.rstrip()
+
+            # blank line (whether we rstrip'ed or not)? skip to next line
+            # if appropriate
+            if (line == '' or line == '\n') and self.skip_blanks:
+                continue
+
+            if self.join_lines:
+                if line[-1] == '\\':
+                    buildup_line = line[:-1]
+                    continue
+
+                if line[-2:] == '\\\n':
+                    buildup_line = line[0:-2] + '\n'
+                    continue
+
+            # well, I guess there's some actual content there: return it
+            return line
+
+    def readlines(self):
+        """Read and return the list of all logical lines remaining in the
+        current file."""
+        lines = []
+        while True:
+            line = self.readline()
+            if line is None:
+                return lines
+            lines.append(line)
+
+    def unreadline(self, line):
+        """Push 'line' (a string) onto an internal buffer that will be
+        checked by future 'readline()' calls.  Handy for implementing
+        a parser with line-at-a-time lookahead."""
+        self.linebuf.append(line)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/unixccompiler.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/unixccompiler.py
new file mode 100644
index 00000000..4ab771a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/unixccompiler.py
@@ -0,0 +1,401 @@
+"""distutils.unixccompiler
+
+Contains the UnixCCompiler class, a subclass of CCompiler that handles
+the "typical" Unix-style command-line C compiler:
+  * macros defined with -Dname[=value]
+  * macros undefined with -Uname
+  * include search directories specified with -Idir
+  * libraries specified with -lllib
+  * library search directories specified with -Ldir
+  * compile handled by 'cc' (or similar) executable with -c option:
+    compiles .c to .o
+  * link static library handled by 'ar' command (possibly with 'ranlib')
+  * link shared library handled by 'cc -shared'
+"""
+
+import os
+import sys
+import re
+import shlex
+import itertools
+
+from distutils import sysconfig
+from distutils.dep_util import newer
+from distutils.ccompiler import CCompiler, gen_preprocess_options, gen_lib_options
+from distutils.errors import DistutilsExecError, CompileError, LibError, LinkError
+from distutils import log
+from ._macos_compat import compiler_fixup
+
+# XXX Things not currently handled:
+#   * optimization/debug/warning flags; we just use whatever's in Python's
+#     Makefile and live with it.  Is this adequate?  If not, we might
+#     have to have a bunch of subclasses GNUCCompiler, SGICCompiler,
+#     SunCCompiler, and I suspect down that road lies madness.
+#   * even if we don't know a warning flag from an optimization flag,
+#     we need some way for outsiders to feed preprocessor/compiler/linker
+#     flags in to us -- eg. a sysadmin might want to mandate certain flags
+#     via a site config file, or a user might want to set something for
+#     compiling this module distribution only via the setup.py command
+#     line, whatever.  As long as these options come from something on the
+#     current system, they can be as system-dependent as they like, and we
+#     should just happily stuff them into the preprocessor/compiler/linker
+#     options and carry on.
+
+
+def _split_env(cmd):
+    """
+    For macOS, split command into 'env' portion (if any)
+    and the rest of the linker command.
+
+    >>> _split_env(['a', 'b', 'c'])
+    ([], ['a', 'b', 'c'])
+    >>> _split_env(['/usr/bin/env', 'A=3', 'gcc'])
+    (['/usr/bin/env', 'A=3'], ['gcc'])
+    """
+    pivot = 0
+    if os.path.basename(cmd[0]) == "env":
+        pivot = 1
+        while '=' in cmd[pivot]:
+            pivot += 1
+    return cmd[:pivot], cmd[pivot:]
+
+
+def _split_aix(cmd):
+    """
+    AIX platforms prefix the compiler with the ld_so_aix
+    script, so split that from the linker command.
+
+    >>> _split_aix(['a', 'b', 'c'])
+    ([], ['a', 'b', 'c'])
+    >>> _split_aix(['/bin/foo/ld_so_aix', 'gcc'])
+    (['/bin/foo/ld_so_aix'], ['gcc'])
+    """
+    pivot = os.path.basename(cmd[0]) == 'ld_so_aix'
+    return cmd[:pivot], cmd[pivot:]
+
+
+def _linker_params(linker_cmd, compiler_cmd):
+    """
+    The linker command usually begins with the compiler
+    command (possibly multiple elements), followed by zero or more
+    params for shared library building.
+
+    If the LDSHARED env variable overrides the linker command,
+    however, the commands may not match.
+
+    Return the best guess of the linker parameters by stripping
+    the linker command. If the compiler command does not
+    match the linker command, assume the linker command is
+    just the first element.
+
+    >>> _linker_params('gcc foo bar'.split(), ['gcc'])
+    ['foo', 'bar']
+    >>> _linker_params('gcc foo bar'.split(), ['other'])
+    ['foo', 'bar']
+    >>> _linker_params('ccache gcc foo bar'.split(), 'ccache gcc'.split())
+    ['foo', 'bar']
+    >>> _linker_params(['gcc'], ['gcc'])
+    []
+    """
+    c_len = len(compiler_cmd)
+    pivot = c_len if linker_cmd[:c_len] == compiler_cmd else 1
+    return linker_cmd[pivot:]
+
+
+class UnixCCompiler(CCompiler):
+
+    compiler_type = 'unix'
+
+    # These are used by CCompiler in two places: the constructor sets
+    # instance attributes 'preprocessor', 'compiler', etc. from them, and
+    # 'set_executable()' allows any of these to be set.  The defaults here
+    # are pretty generic; they will probably have to be set by an outsider
+    # (eg. using information discovered by the sysconfig about building
+    # Python extensions).
+    executables = {
+        'preprocessor': None,
+        'compiler': ["cc"],
+        'compiler_so': ["cc"],
+        'compiler_cxx': ["cc"],
+        'linker_so': ["cc", "-shared"],
+        'linker_exe': ["cc"],
+        'archiver': ["ar", "-cr"],
+        'ranlib': None,
+    }
+
+    if sys.platform[:6] == "darwin":
+        executables['ranlib'] = ["ranlib"]
+
+    # Needed for the filename generation methods provided by the base
+    # class, CCompiler.  NB. whoever instantiates/uses a particular
+    # UnixCCompiler instance should set 'shared_lib_ext' -- we set a
+    # reasonable common default here, but it's not necessarily used on all
+    # Unices!
+
+    src_extensions = [".c", ".C", ".cc", ".cxx", ".cpp", ".m"]
+    obj_extension = ".o"
+    static_lib_extension = ".a"
+    shared_lib_extension = ".so"
+    dylib_lib_extension = ".dylib"
+    xcode_stub_lib_extension = ".tbd"
+    static_lib_format = shared_lib_format = dylib_lib_format = "lib%s%s"
+    xcode_stub_lib_format = dylib_lib_format
+    if sys.platform == "cygwin":
+        exe_extension = ".exe"
+
+    def preprocess(
+        self,
+        source,
+        output_file=None,
+        macros=None,
+        include_dirs=None,
+        extra_preargs=None,
+        extra_postargs=None,
+    ):
+        fixed_args = self._fix_compile_args(None, macros, include_dirs)
+        ignore, macros, include_dirs = fixed_args
+        pp_opts = gen_preprocess_options(macros, include_dirs)
+        pp_args = self.preprocessor + pp_opts
+        if output_file:
+            pp_args.extend(['-o', output_file])
+        if extra_preargs:
+            pp_args[:0] = extra_preargs
+        if extra_postargs:
+            pp_args.extend(extra_postargs)
+        pp_args.append(source)
+
+        # reasons to preprocess:
+        # - force is indicated
+        # - output is directed to stdout
+        # - source file is newer than the target
+        preprocess = self.force or output_file is None or newer(source, output_file)
+        if not preprocess:
+            return
+
+        if output_file:
+            self.mkpath(os.path.dirname(output_file))
+
+        try:
+            self.spawn(pp_args)
+        except DistutilsExecError as msg:
+            raise CompileError(msg)
+
+    def _compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts):
+        compiler_so = compiler_fixup(self.compiler_so, cc_args + extra_postargs)
+        try:
+            self.spawn(compiler_so + cc_args + [src, '-o', obj] + extra_postargs)
+        except DistutilsExecError as msg:
+            raise CompileError(msg)
+
+    def create_static_lib(
+        self, objects, output_libname, output_dir=None, debug=0, target_lang=None
+    ):
+        objects, output_dir = self._fix_object_args(objects, output_dir)
+
+        output_filename = self.library_filename(output_libname, output_dir=output_dir)
+
+        if self._need_link(objects, output_filename):
+            self.mkpath(os.path.dirname(output_filename))
+            self.spawn(self.archiver + [output_filename] + objects + self.objects)
+
+            # Not many Unices required ranlib anymore -- SunOS 4.x is, I
+            # think the only major Unix that does.  Maybe we need some
+            # platform intelligence here to skip ranlib if it's not
+            # needed -- or maybe Python's configure script took care of
+            # it for us, hence the check for leading colon.
+            if self.ranlib:
+                try:
+                    self.spawn(self.ranlib + [output_filename])
+                except DistutilsExecError as msg:
+                    raise LibError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    def link(
+        self,
+        target_desc,
+        objects,
+        output_filename,
+        output_dir=None,
+        libraries=None,
+        library_dirs=None,
+        runtime_library_dirs=None,
+        export_symbols=None,
+        debug=0,
+        extra_preargs=None,
+        extra_postargs=None,
+        build_temp=None,
+        target_lang=None,
+    ):
+        objects, output_dir = self._fix_object_args(objects, output_dir)
+        fixed_args = self._fix_lib_args(libraries, library_dirs, runtime_library_dirs)
+        libraries, library_dirs, runtime_library_dirs = fixed_args
+
+        lib_opts = gen_lib_options(self, library_dirs, runtime_library_dirs, libraries)
+        if not isinstance(output_dir, (str, type(None))):
+            raise TypeError("'output_dir' must be a string or None")
+        if output_dir is not None:
+            output_filename = os.path.join(output_dir, output_filename)
+
+        if self._need_link(objects, output_filename):
+            ld_args = objects + self.objects + lib_opts + ['-o', output_filename]
+            if debug:
+                ld_args[:0] = ['-g']
+            if extra_preargs:
+                ld_args[:0] = extra_preargs
+            if extra_postargs:
+                ld_args.extend(extra_postargs)
+            self.mkpath(os.path.dirname(output_filename))
+            try:
+                # Select a linker based on context: linker_exe when
+                # building an executable or linker_so (with shared options)
+                # when building a shared library.
+                building_exe = target_desc == CCompiler.EXECUTABLE
+                linker = (self.linker_exe if building_exe else self.linker_so)[:]
+
+                if target_lang == "c++" and self.compiler_cxx:
+                    env, linker_ne = _split_env(linker)
+                    aix, linker_na = _split_aix(linker_ne)
+                    _, compiler_cxx_ne = _split_env(self.compiler_cxx)
+                    _, linker_exe_ne = _split_env(self.linker_exe)
+
+                    params = _linker_params(linker_na, linker_exe_ne)
+                    linker = env + aix + compiler_cxx_ne + params
+
+                linker = compiler_fixup(linker, ld_args)
+
+                self.spawn(linker + ld_args)
+            except DistutilsExecError as msg:
+                raise LinkError(msg)
+        else:
+            log.debug("skipping %s (up-to-date)", output_filename)
+
+    # -- Miscellaneous methods -----------------------------------------
+    # These are all used by the 'gen_lib_options() function, in
+    # ccompiler.py.
+
+    def library_dir_option(self, dir):
+        return "-L" + dir
+
+    def _is_gcc(self):
+        cc_var = sysconfig.get_config_var("CC")
+        compiler = os.path.basename(shlex.split(cc_var)[0])
+        return "gcc" in compiler or "g++" in compiler
+
+    def runtime_library_dir_option(self, dir):
+        # XXX Hackish, at the very least.  See Python bug #445902:
+        # http://sourceforge.net/tracker/index.php
+        #   ?func=detail&aid=445902&group_id=5470&atid=105470
+        # Linkers on different platforms need different options to
+        # specify that directories need to be added to the list of
+        # directories searched for dependencies when a dynamic library
+        # is sought.  GCC on GNU systems (Linux, FreeBSD, ...) has to
+        # be told to pass the -R option through to the linker, whereas
+        # other compilers and gcc on other systems just know this.
+        # Other compilers may need something slightly different.  At
+        # this time, there's no way to determine this information from
+        # the configuration data stored in the Python installation, so
+        # we use this hack.
+        if sys.platform[:6] == "darwin":
+            from distutils.util import get_macosx_target_ver, split_version
+
+            macosx_target_ver = get_macosx_target_ver()
+            if macosx_target_ver and split_version(macosx_target_ver) >= [10, 5]:
+                return "-Wl,-rpath," + dir
+            else:  # no support for -rpath on earlier macOS versions
+                return "-L" + dir
+        elif sys.platform[:7] == "freebsd":
+            return "-Wl,-rpath=" + dir
+        elif sys.platform[:5] == "hp-ux":
+            return [
+                "-Wl,+s" if self._is_gcc() else "+s",
+                "-L" + dir,
+            ]
+
+        # For all compilers, `-Wl` is the presumed way to
+        # pass a compiler option to the linker and `-R` is
+        # the way to pass an RPATH.
+        if sysconfig.get_config_var("GNULD") == "yes":
+            # GNU ld needs an extra option to get a RUNPATH
+            # instead of just an RPATH.
+            return "-Wl,--enable-new-dtags,-R" + dir
+        else:
+            return "-Wl,-R" + dir
+
+    def library_option(self, lib):
+        return "-l" + lib
+
+    @staticmethod
+    def _library_root(dir):
+        """
+        macOS users can specify an alternate SDK using'-isysroot'.
+        Calculate the SDK root if it is specified.
+
+        Note that, as of Xcode 7, Apple SDKs may contain textual stub
+        libraries with .tbd extensions rather than the normal .dylib
+        shared libraries installed in /.  The Apple compiler tool
+        chain handles this transparently but it can cause problems
+        for programs that are being built with an SDK and searching
+        for specific libraries.  Callers of find_library_file need to
+        keep in mind that the base filename of the returned SDK library
+        file might have a different extension from that of the library
+        file installed on the running system, for example:
+          /Applications/Xcode.app/Contents/Developer/Platforms/
+              MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/
+              usr/lib/libedit.tbd
+        vs
+          /usr/lib/libedit.dylib
+        """
+        cflags = sysconfig.get_config_var('CFLAGS')
+        match = re.search(r'-isysroot\s*(\S+)', cflags)
+
+        apply_root = (
+            sys.platform == 'darwin'
+            and match
+            and (
+                dir.startswith('/System/')
+                or (dir.startswith('/usr/') and not dir.startswith('/usr/local/'))
+            )
+        )
+
+        return os.path.join(match.group(1), dir[1:]) if apply_root else dir
+
+    def find_library_file(self, dirs, lib, debug=0):
+        r"""
+        Second-guess the linker with not much hard
+        data to go on: GCC seems to prefer the shared library, so
+        assume that *all* Unix C compilers do,
+        ignoring even GCC's "-static" option.
+
+        >>> compiler = UnixCCompiler()
+        >>> compiler._library_root = lambda dir: dir
+        >>> monkeypatch = getfixture('monkeypatch')
+        >>> monkeypatch.setattr(os.path, 'exists', lambda d: 'existing' in d)
+        >>> dirs = ('/foo/bar/missing', '/foo/bar/existing')
+        >>> compiler.find_library_file(dirs, 'abc').replace('\\', '/')
+        '/foo/bar/existing/libabc.dylib'
+        >>> compiler.find_library_file(reversed(dirs), 'abc').replace('\\', '/')
+        '/foo/bar/existing/libabc.dylib'
+        >>> monkeypatch.setattr(os.path, 'exists',
+        ...     lambda d: 'existing' in d and '.a' in d)
+        >>> compiler.find_library_file(dirs, 'abc').replace('\\', '/')
+        '/foo/bar/existing/libabc.a'
+        >>> compiler.find_library_file(reversed(dirs), 'abc').replace('\\', '/')
+        '/foo/bar/existing/libabc.a'
+        """
+        lib_names = (
+            self.library_filename(lib, lib_type=type)
+            for type in 'dylib xcode_stub shared static'.split()
+        )
+
+        roots = map(self._library_root, dirs)
+
+        searched = (
+            os.path.join(root, lib_name)
+            for root, lib_name in itertools.product(roots, lib_names)
+        )
+
+        found = filter(os.path.exists, searched)
+
+        # Return None if it could not be found in any dir.
+        return next(found, None)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/util.py
new file mode 100644
index 00000000..4763202b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/util.py
@@ -0,0 +1,513 @@
+"""distutils.util
+
+Miscellaneous utility functions -- anything that doesn't fit into
+one of the other *util.py modules.
+"""
+
+import importlib.util
+import os
+import re
+import string
+import subprocess
+import sys
+import sysconfig
+import functools
+
+from distutils.errors import DistutilsPlatformError, DistutilsByteCompileError
+from distutils.dep_util import newer
+from distutils.spawn import spawn
+from distutils import log
+
+
+def get_host_platform():
+    """
+    Return a string that identifies the current platform. Use this
+    function to distinguish platform-specific build directories and
+    platform-specific built distributions.
+    """
+
+    # This function initially exposed platforms as defined in Python 3.9
+    # even with older Python versions when distutils was split out.
+    # Now it delegates to stdlib sysconfig, but maintains compatibility.
+
+    if sys.version_info < (3, 8):
+        if os.name == 'nt':
+            if '(arm)' in sys.version.lower():
+                return 'win-arm32'
+            if '(arm64)' in sys.version.lower():
+                return 'win-arm64'
+
+    if sys.version_info < (3, 9):
+        if os.name == "posix" and hasattr(os, 'uname'):
+            osname, host, release, version, machine = os.uname()
+            if osname[:3] == "aix":
+                from .py38compat import aix_platform
+
+                return aix_platform(osname, version, release)
+
+    return sysconfig.get_platform()
+
+
+def get_platform():
+    if os.name == 'nt':
+        TARGET_TO_PLAT = {
+            'x86': 'win32',
+            'x64': 'win-amd64',
+            'arm': 'win-arm32',
+            'arm64': 'win-arm64',
+        }
+        target = os.environ.get('VSCMD_ARG_TGT_ARCH')
+        return TARGET_TO_PLAT.get(target) or get_host_platform()
+    return get_host_platform()
+
+
+if sys.platform == 'darwin':
+    _syscfg_macosx_ver = None  # cache the version pulled from sysconfig
+MACOSX_VERSION_VAR = 'MACOSX_DEPLOYMENT_TARGET'
+
+
+def _clear_cached_macosx_ver():
+    """For testing only. Do not call."""
+    global _syscfg_macosx_ver
+    _syscfg_macosx_ver = None
+
+
+def get_macosx_target_ver_from_syscfg():
+    """Get the version of macOS latched in the Python interpreter configuration.
+    Returns the version as a string or None if can't obtain one. Cached."""
+    global _syscfg_macosx_ver
+    if _syscfg_macosx_ver is None:
+        from distutils import sysconfig
+
+        ver = sysconfig.get_config_var(MACOSX_VERSION_VAR) or ''
+        if ver:
+            _syscfg_macosx_ver = ver
+    return _syscfg_macosx_ver
+
+
+def get_macosx_target_ver():
+    """Return the version of macOS for which we are building.
+
+    The target version defaults to the version in sysconfig latched at time
+    the Python interpreter was built, unless overridden by an environment
+    variable. If neither source has a value, then None is returned"""
+
+    syscfg_ver = get_macosx_target_ver_from_syscfg()
+    env_ver = os.environ.get(MACOSX_VERSION_VAR)
+
+    if env_ver:
+        # Validate overridden version against sysconfig version, if have both.
+        # Ensure that the deployment target of the build process is not less
+        # than 10.3 if the interpreter was built for 10.3 or later.  This
+        # ensures extension modules are built with correct compatibility
+        # values, specifically LDSHARED which can use
+        # '-undefined dynamic_lookup' which only works on >= 10.3.
+        if (
+            syscfg_ver
+            and split_version(syscfg_ver) >= [10, 3]
+            and split_version(env_ver) < [10, 3]
+        ):
+            my_msg = (
+                '$' + MACOSX_VERSION_VAR + ' mismatch: '
+                'now "%s" but "%s" during configure; '
+                'must use 10.3 or later' % (env_ver, syscfg_ver)
+            )
+            raise DistutilsPlatformError(my_msg)
+        return env_ver
+    return syscfg_ver
+
+
+def split_version(s):
+    """Convert a dot-separated string into a list of numbers for comparisons"""
+    return [int(n) for n in s.split('.')]
+
+
+def convert_path(pathname):
+    """Return 'pathname' as a name that will work on the native filesystem,
+    i.e. split it on '/' and put it back together again using the current
+    directory separator.  Needed because filenames in the setup script are
+    always supplied in Unix style, and have to be converted to the local
+    convention before we can actually use them in the filesystem.  Raises
+    ValueError on non-Unix-ish systems if 'pathname' either starts or
+    ends with a slash.
+    """
+    if os.sep == '/':
+        return pathname
+    if not pathname:
+        return pathname
+    if pathname[0] == '/':
+        raise ValueError("path '%s' cannot be absolute" % pathname)
+    if pathname[-1] == '/':
+        raise ValueError("path '%s' cannot end with '/'" % pathname)
+
+    paths = pathname.split('/')
+    while '.' in paths:
+        paths.remove('.')
+    if not paths:
+        return os.curdir
+    return os.path.join(*paths)
+
+
+# convert_path ()
+
+
+def change_root(new_root, pathname):
+    """Return 'pathname' with 'new_root' prepended.  If 'pathname' is
+    relative, this is equivalent to "os.path.join(new_root,pathname)".
+    Otherwise, it requires making 'pathname' relative and then joining the
+    two, which is tricky on DOS/Windows and Mac OS.
+    """
+    if os.name == 'posix':
+        if not os.path.isabs(pathname):
+            return os.path.join(new_root, pathname)
+        else:
+            return os.path.join(new_root, pathname[1:])
+
+    elif os.name == 'nt':
+        (drive, path) = os.path.splitdrive(pathname)
+        if path[0] == '\\':
+            path = path[1:]
+        return os.path.join(new_root, path)
+
+    raise DistutilsPlatformError(f"nothing known about platform '{os.name}'")
+
+
+@functools.lru_cache()
+def check_environ():
+    """Ensure that 'os.environ' has all the environment variables we
+    guarantee that users can use in config files, command-line options,
+    etc.  Currently this includes:
+      HOME - user's home directory (Unix only)
+      PLAT - description of the current platform, including hardware
+             and OS (see 'get_platform()')
+    """
+    if os.name == 'posix' and 'HOME' not in os.environ:
+        try:
+            import pwd
+
+            os.environ['HOME'] = pwd.getpwuid(os.getuid())[5]
+        except (ImportError, KeyError):
+            # bpo-10496: if the current user identifier doesn't exist in the
+            # password database, do nothing
+            pass
+
+    if 'PLAT' not in os.environ:
+        os.environ['PLAT'] = get_platform()
+
+
+def subst_vars(s, local_vars):
+    """
+    Perform variable substitution on 'string'.
+    Variables are indicated by format-style braces ("{var}").
+    Variable is substituted by the value found in the 'local_vars'
+    dictionary or in 'os.environ' if it's not in 'local_vars'.
+    'os.environ' is first checked/augmented to guarantee that it contains
+    certain values: see 'check_environ()'.  Raise ValueError for any
+    variables not found in either 'local_vars' or 'os.environ'.
+    """
+    check_environ()
+    lookup = dict(os.environ)
+    lookup.update((name, str(value)) for name, value in local_vars.items())
+    try:
+        return _subst_compat(s).format_map(lookup)
+    except KeyError as var:
+        raise ValueError(f"invalid variable {var}")
+
+
+def _subst_compat(s):
+    """
+    Replace shell/Perl-style variable substitution with
+    format-style. For compatibility.
+    """
+
+    def _subst(match):
+        return f'{{{match.group(1)}}}'
+
+    repl = re.sub(r'\$([a-zA-Z_][a-zA-Z_0-9]*)', _subst, s)
+    if repl != s:
+        import warnings
+
+        warnings.warn(
+            "shell/Perl-style substitions are deprecated",
+            DeprecationWarning,
+        )
+    return repl
+
+
+def grok_environment_error(exc, prefix="error: "):
+    # Function kept for backward compatibility.
+    # Used to try clever things with EnvironmentErrors,
+    # but nowadays str(exception) produces good messages.
+    return prefix + str(exc)
+
+
+# Needed by 'split_quoted()'
+_wordchars_re = _squote_re = _dquote_re = None
+
+
+def _init_regex():
+    global _wordchars_re, _squote_re, _dquote_re
+    _wordchars_re = re.compile(r'[^\\\'\"%s ]*' % string.whitespace)
+    _squote_re = re.compile(r"'(?:[^'\\]|\\.)*'")
+    _dquote_re = re.compile(r'"(?:[^"\\]|\\.)*"')
+
+
+def split_quoted(s):
+    """Split a string up according to Unix shell-like rules for quotes and
+    backslashes.  In short: words are delimited by spaces, as long as those
+    spaces are not escaped by a backslash, or inside a quoted string.
+    Single and double quotes are equivalent, and the quote characters can
+    be backslash-escaped.  The backslash is stripped from any two-character
+    escape sequence, leaving only the escaped character.  The quote
+    characters are stripped from any quoted string.  Returns a list of
+    words.
+    """
+
+    # This is a nice algorithm for splitting up a single string, since it
+    # doesn't require character-by-character examination.  It was a little
+    # bit of a brain-bender to get it working right, though...
+    if _wordchars_re is None:
+        _init_regex()
+
+    s = s.strip()
+    words = []
+    pos = 0
+
+    while s:
+        m = _wordchars_re.match(s, pos)
+        end = m.end()
+        if end == len(s):
+            words.append(s[:end])
+            break
+
+        if s[end] in string.whitespace:
+            # unescaped, unquoted whitespace: now
+            # we definitely have a word delimiter
+            words.append(s[:end])
+            s = s[end:].lstrip()
+            pos = 0
+
+        elif s[end] == '\\':
+            # preserve whatever is being escaped;
+            # will become part of the current word
+            s = s[:end] + s[end + 1 :]
+            pos = end + 1
+
+        else:
+            if s[end] == "'":  # slurp singly-quoted string
+                m = _squote_re.match(s, end)
+            elif s[end] == '"':  # slurp doubly-quoted string
+                m = _dquote_re.match(s, end)
+            else:
+                raise RuntimeError("this can't happen (bad char '%c')" % s[end])
+
+            if m is None:
+                raise ValueError("bad string (mismatched %s quotes?)" % s[end])
+
+            (beg, end) = m.span()
+            s = s[:beg] + s[beg + 1 : end - 1] + s[end:]
+            pos = m.end() - 2
+
+        if pos >= len(s):
+            words.append(s)
+            break
+
+    return words
+
+
+# split_quoted ()
+
+
+def execute(func, args, msg=None, verbose=0, dry_run=0):
+    """Perform some action that affects the outside world (eg.  by
+    writing to the filesystem).  Such actions are special because they
+    are disabled by the 'dry_run' flag.  This method takes care of all
+    that bureaucracy for you; all you have to do is supply the
+    function to call and an argument tuple for it (to embody the
+    "external action" being performed), and an optional message to
+    print.
+    """
+    if msg is None:
+        msg = "{}{!r}".format(func.__name__, args)
+        if msg[-2:] == ',)':  # correct for singleton tuple
+            msg = msg[0:-2] + ')'
+
+    log.info(msg)
+    if not dry_run:
+        func(*args)
+
+
+def strtobool(val):
+    """Convert a string representation of truth to true (1) or false (0).
+
+    True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
+    are 'n', 'no', 'f', 'false', 'off', and '0'.  Raises ValueError if
+    'val' is anything else.
+    """
+    val = val.lower()
+    if val in ('y', 'yes', 't', 'true', 'on', '1'):
+        return 1
+    elif val in ('n', 'no', 'f', 'false', 'off', '0'):
+        return 0
+    else:
+        raise ValueError("invalid truth value {!r}".format(val))
+
+
+def byte_compile(  # noqa: C901
+    py_files,
+    optimize=0,
+    force=0,
+    prefix=None,
+    base_dir=None,
+    verbose=1,
+    dry_run=0,
+    direct=None,
+):
+    """Byte-compile a collection of Python source files to .pyc
+    files in a __pycache__ subdirectory.  'py_files' is a list
+    of files to compile; any files that don't end in ".py" are silently
+    skipped.  'optimize' must be one of the following:
+      0 - don't optimize
+      1 - normal optimization (like "python -O")
+      2 - extra optimization (like "python -OO")
+    If 'force' is true, all files are recompiled regardless of
+    timestamps.
+
+    The source filename encoded in each bytecode file defaults to the
+    filenames listed in 'py_files'; you can modify these with 'prefix' and
+    'basedir'.  'prefix' is a string that will be stripped off of each
+    source filename, and 'base_dir' is a directory name that will be
+    prepended (after 'prefix' is stripped).  You can supply either or both
+    (or neither) of 'prefix' and 'base_dir', as you wish.
+
+    If 'dry_run' is true, doesn't actually do anything that would
+    affect the filesystem.
+
+    Byte-compilation is either done directly in this interpreter process
+    with the standard py_compile module, or indirectly by writing a
+    temporary script and executing it.  Normally, you should let
+    'byte_compile()' figure out to use direct compilation or not (see
+    the source for details).  The 'direct' flag is used by the script
+    generated in indirect mode; unless you know what you're doing, leave
+    it set to None.
+    """
+
+    # nothing is done if sys.dont_write_bytecode is True
+    if sys.dont_write_bytecode:
+        raise DistutilsByteCompileError('byte-compiling is disabled.')
+
+    # First, if the caller didn't force us into direct or indirect mode,
+    # figure out which mode we should be in.  We take a conservative
+    # approach: choose direct mode *only* if the current interpreter is
+    # in debug mode and optimize is 0.  If we're not in debug mode (-O
+    # or -OO), we don't know which level of optimization this
+    # interpreter is running with, so we can't do direct
+    # byte-compilation and be certain that it's the right thing.  Thus,
+    # always compile indirectly if the current interpreter is in either
+    # optimize mode, or if either optimization level was requested by
+    # the caller.
+    if direct is None:
+        direct = __debug__ and optimize == 0
+
+    # "Indirect" byte-compilation: write a temporary script and then
+    # run it with the appropriate flags.
+    if not direct:
+        try:
+            from tempfile import mkstemp
+
+            (script_fd, script_name) = mkstemp(".py")
+        except ImportError:
+            from tempfile import mktemp
+
+            (script_fd, script_name) = None, mktemp(".py")
+        log.info("writing byte-compilation script '%s'", script_name)
+        if not dry_run:
+            if script_fd is not None:
+                script = os.fdopen(script_fd, "w")
+            else:
+                script = open(script_name, "w")
+
+            with script:
+                script.write(
+                    """\
+from distutils.util import byte_compile
+files = [
+"""
+                )
+
+                # XXX would be nice to write absolute filenames, just for
+                # safety's sake (script should be more robust in the face of
+                # chdir'ing before running it).  But this requires abspath'ing
+                # 'prefix' as well, and that breaks the hack in build_lib's
+                # 'byte_compile()' method that carefully tacks on a trailing
+                # slash (os.sep really) to make sure the prefix here is "just
+                # right".  This whole prefix business is rather delicate -- the
+                # problem is that it's really a directory, but I'm treating it
+                # as a dumb string, so trailing slashes and so forth matter.
+
+                script.write(",\n".join(map(repr, py_files)) + "]\n")
+                script.write(
+                    """
+byte_compile(files, optimize=%r, force=%r,
+             prefix=%r, base_dir=%r,
+             verbose=%r, dry_run=0,
+             direct=1)
+"""
+                    % (optimize, force, prefix, base_dir, verbose)
+                )
+
+        cmd = [sys.executable]
+        cmd.extend(subprocess._optim_args_from_interpreter_flags())
+        cmd.append(script_name)
+        spawn(cmd, dry_run=dry_run)
+        execute(os.remove, (script_name,), "removing %s" % script_name, dry_run=dry_run)
+
+    # "Direct" byte-compilation: use the py_compile module to compile
+    # right here, right now.  Note that the script generated in indirect
+    # mode simply calls 'byte_compile()' in direct mode, a weird sort of
+    # cross-process recursion.  Hey, it works!
+    else:
+        from py_compile import compile
+
+        for file in py_files:
+            if file[-3:] != ".py":
+                # This lets us be lazy and not filter filenames in
+                # the "install_lib" command.
+                continue
+
+            # Terminology from the py_compile module:
+            #   cfile - byte-compiled file
+            #   dfile - purported source filename (same as 'file' by default)
+            if optimize >= 0:
+                opt = '' if optimize == 0 else optimize
+                cfile = importlib.util.cache_from_source(file, optimization=opt)
+            else:
+                cfile = importlib.util.cache_from_source(file)
+            dfile = file
+            if prefix:
+                if file[: len(prefix)] != prefix:
+                    raise ValueError(
+                        "invalid prefix: filename %r doesn't start with %r"
+                        % (file, prefix)
+                    )
+                dfile = dfile[len(prefix) :]
+            if base_dir:
+                dfile = os.path.join(base_dir, dfile)
+
+            cfile_base = os.path.basename(cfile)
+            if direct:
+                if force or newer(file, cfile):
+                    log.info("byte-compiling %s to %s", file, cfile_base)
+                    if not dry_run:
+                        compile(file, cfile, dfile)
+                else:
+                    log.debug("skipping byte-compilation of %s to %s", file, cfile_base)
+
+
+def rfc822_escape(header):
+    """Return a version of the string escaped for inclusion in an
+    RFC-822 header, by ensuring there are 8 spaces space after each newline.
+    """
+    lines = header.split('\n')
+    sep = '\n' + 8 * ' '
+    return sep.join(lines)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/version.py
new file mode 100644
index 00000000..e29e2657
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/version.py
@@ -0,0 +1,358 @@
+#
+# distutils/version.py
+#
+# Implements multiple version numbering conventions for the
+# Python Module Distribution Utilities.
+#
+# $Id$
+#
+
+"""Provides classes to represent module version numbers (one class for
+each style of version numbering).  There are currently two such classes
+implemented: StrictVersion and LooseVersion.
+
+Every version number class implements the following interface:
+  * the 'parse' method takes a string and parses it to some internal
+    representation; if the string is an invalid version number,
+    'parse' raises a ValueError exception
+  * the class constructor takes an optional string argument which,
+    if supplied, is passed to 'parse'
+  * __str__ reconstructs the string that was passed to 'parse' (or
+    an equivalent string -- ie. one that will generate an equivalent
+    version number instance)
+  * __repr__ generates Python code to recreate the version number instance
+  * _cmp compares the current instance with either another instance
+    of the same class or a string (which will be parsed to an instance
+    of the same class, thus must follow the same rules)
+"""
+
+import re
+import warnings
+import contextlib
+
+
+@contextlib.contextmanager
+def suppress_known_deprecation():
+    with warnings.catch_warnings(record=True) as ctx:
+        warnings.filterwarnings(
+            action='default',
+            category=DeprecationWarning,
+            message="distutils Version classes are deprecated.",
+        )
+        yield ctx
+
+
+class Version:
+    """Abstract base class for version numbering classes.  Just provides
+    constructor (__init__) and reproducer (__repr__), because those
+    seem to be the same for all version numbering classes; and route
+    rich comparisons to _cmp.
+    """
+
+    def __init__(self, vstring=None):
+        if vstring:
+            self.parse(vstring)
+        warnings.warn(
+            "distutils Version classes are deprecated. "
+            "Use packaging.version instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+
+    def __repr__(self):
+        return "{} ('{}')".format(self.__class__.__name__, str(self))
+
+    def __eq__(self, other):
+        c = self._cmp(other)
+        if c is NotImplemented:
+            return c
+        return c == 0
+
+    def __lt__(self, other):
+        c = self._cmp(other)
+        if c is NotImplemented:
+            return c
+        return c < 0
+
+    def __le__(self, other):
+        c = self._cmp(other)
+        if c is NotImplemented:
+            return c
+        return c <= 0
+
+    def __gt__(self, other):
+        c = self._cmp(other)
+        if c is NotImplemented:
+            return c
+        return c > 0
+
+    def __ge__(self, other):
+        c = self._cmp(other)
+        if c is NotImplemented:
+            return c
+        return c >= 0
+
+
+# Interface for version-number classes -- must be implemented
+# by the following classes (the concrete ones -- Version should
+# be treated as an abstract class).
+#    __init__ (string) - create and take same action as 'parse'
+#                        (string parameter is optional)
+#    parse (string)    - convert a string representation to whatever
+#                        internal representation is appropriate for
+#                        this style of version numbering
+#    __str__ (self)    - convert back to a string; should be very similar
+#                        (if not identical to) the string supplied to parse
+#    __repr__ (self)   - generate Python code to recreate
+#                        the instance
+#    _cmp (self, other) - compare two version numbers ('other' may
+#                        be an unparsed version string, or another
+#                        instance of your version class)
+
+
+class StrictVersion(Version):
+
+    """Version numbering for anal retentives and software idealists.
+    Implements the standard interface for version number classes as
+    described above.  A version number consists of two or three
+    dot-separated numeric components, with an optional "pre-release" tag
+    on the end.  The pre-release tag consists of the letter 'a' or 'b'
+    followed by a number.  If the numeric components of two version
+    numbers are equal, then one with a pre-release tag will always
+    be deemed earlier (lesser) than one without.
+
+    The following are valid version numbers (shown in the order that
+    would be obtained by sorting according to the supplied cmp function):
+
+        0.4       0.4.0  (these two are equivalent)
+        0.4.1
+        0.5a1
+        0.5b3
+        0.5
+        0.9.6
+        1.0
+        1.0.4a3
+        1.0.4b1
+        1.0.4
+
+    The following are examples of invalid version numbers:
+
+        1
+        2.7.2.2
+        1.3.a4
+        1.3pl1
+        1.3c4
+
+    The rationale for this version numbering system will be explained
+    in the distutils documentation.
+    """
+
+    version_re = re.compile(
+        r'^(\d+) \. (\d+) (\. (\d+))? ([ab](\d+))?$', re.VERBOSE | re.ASCII
+    )
+
+    def parse(self, vstring):
+        match = self.version_re.match(vstring)
+        if not match:
+            raise ValueError("invalid version number '%s'" % vstring)
+
+        (major, minor, patch, prerelease, prerelease_num) = match.group(1, 2, 4, 5, 6)
+
+        if patch:
+            self.version = tuple(map(int, [major, minor, patch]))
+        else:
+            self.version = tuple(map(int, [major, minor])) + (0,)
+
+        if prerelease:
+            self.prerelease = (prerelease[0], int(prerelease_num))
+        else:
+            self.prerelease = None
+
+    def __str__(self):
+
+        if self.version[2] == 0:
+            vstring = '.'.join(map(str, self.version[0:2]))
+        else:
+            vstring = '.'.join(map(str, self.version))
+
+        if self.prerelease:
+            vstring = vstring + self.prerelease[0] + str(self.prerelease[1])
+
+        return vstring
+
+    def _cmp(self, other):  # noqa: C901
+        if isinstance(other, str):
+            with suppress_known_deprecation():
+                other = StrictVersion(other)
+        elif not isinstance(other, StrictVersion):
+            return NotImplemented
+
+        if self.version != other.version:
+            # numeric versions don't match
+            # prerelease stuff doesn't matter
+            if self.version < other.version:
+                return -1
+            else:
+                return 1
+
+        # have to compare prerelease
+        # case 1: neither has prerelease; they're equal
+        # case 2: self has prerelease, other doesn't; other is greater
+        # case 3: self doesn't have prerelease, other does: self is greater
+        # case 4: both have prerelease: must compare them!
+
+        if not self.prerelease and not other.prerelease:
+            return 0
+        elif self.prerelease and not other.prerelease:
+            return -1
+        elif not self.prerelease and other.prerelease:
+            return 1
+        elif self.prerelease and other.prerelease:
+            if self.prerelease == other.prerelease:
+                return 0
+            elif self.prerelease < other.prerelease:
+                return -1
+            else:
+                return 1
+        else:
+            assert False, "never get here"
+
+
+# end class StrictVersion
+
+
+# The rules according to Greg Stein:
+# 1) a version number has 1 or more numbers separated by a period or by
+#    sequences of letters. If only periods, then these are compared
+#    left-to-right to determine an ordering.
+# 2) sequences of letters are part of the tuple for comparison and are
+#    compared lexicographically
+# 3) recognize the numeric components may have leading zeroes
+#
+# The LooseVersion class below implements these rules: a version number
+# string is split up into a tuple of integer and string components, and
+# comparison is a simple tuple comparison.  This means that version
+# numbers behave in a predictable and obvious way, but a way that might
+# not necessarily be how people *want* version numbers to behave.  There
+# wouldn't be a problem if people could stick to purely numeric version
+# numbers: just split on period and compare the numbers as tuples.
+# However, people insist on putting letters into their version numbers;
+# the most common purpose seems to be:
+#   - indicating a "pre-release" version
+#     ('alpha', 'beta', 'a', 'b', 'pre', 'p')
+#   - indicating a post-release patch ('p', 'pl', 'patch')
+# but of course this can't cover all version number schemes, and there's
+# no way to know what a programmer means without asking him.
+#
+# The problem is what to do with letters (and other non-numeric
+# characters) in a version number.  The current implementation does the
+# obvious and predictable thing: keep them as strings and compare
+# lexically within a tuple comparison.  This has the desired effect if
+# an appended letter sequence implies something "post-release":
+# eg. "0.99" < "0.99pl14" < "1.0", and "5.001" < "5.001m" < "5.002".
+#
+# However, if letters in a version number imply a pre-release version,
+# the "obvious" thing isn't correct.  Eg. you would expect that
+# "1.5.1" < "1.5.2a2" < "1.5.2", but under the tuple/lexical comparison
+# implemented here, this just isn't so.
+#
+# Two possible solutions come to mind.  The first is to tie the
+# comparison algorithm to a particular set of semantic rules, as has
+# been done in the StrictVersion class above.  This works great as long
+# as everyone can go along with bondage and discipline.  Hopefully a
+# (large) subset of Python module programmers will agree that the
+# particular flavour of bondage and discipline provided by StrictVersion
+# provides enough benefit to be worth using, and will submit their
+# version numbering scheme to its domination.  The free-thinking
+# anarchists in the lot will never give in, though, and something needs
+# to be done to accommodate them.
+#
+# Perhaps a "moderately strict" version class could be implemented that
+# lets almost anything slide (syntactically), and makes some heuristic
+# assumptions about non-digits in version number strings.  This could
+# sink into special-case-hell, though; if I was as talented and
+# idiosyncratic as Larry Wall, I'd go ahead and implement a class that
+# somehow knows that "1.2.1" < "1.2.2a2" < "1.2.2" < "1.2.2pl3", and is
+# just as happy dealing with things like "2g6" and "1.13++".  I don't
+# think I'm smart enough to do it right though.
+#
+# In any case, I've coded the test suite for this module (see
+# ../test/test_version.py) specifically to fail on things like comparing
+# "1.2a2" and "1.2".  That's not because the *code* is doing anything
+# wrong, it's because the simple, obvious design doesn't match my
+# complicated, hairy expectations for real-world version numbers.  It
+# would be a snap to fix the test suite to say, "Yep, LooseVersion does
+# the Right Thing" (ie. the code matches the conception).  But I'd rather
+# have a conception that matches common notions about version numbers.
+
+
+class LooseVersion(Version):
+
+    """Version numbering for anarchists and software realists.
+    Implements the standard interface for version number classes as
+    described above.  A version number consists of a series of numbers,
+    separated by either periods or strings of letters.  When comparing
+    version numbers, the numeric components will be compared
+    numerically, and the alphabetic components lexically.  The following
+    are all valid version numbers, in no particular order:
+
+        1.5.1
+        1.5.2b2
+        161
+        3.10a
+        8.02
+        3.4j
+        1996.07.12
+        3.2.pl0
+        3.1.1.6
+        2g6
+        11g
+        0.960923
+        2.2beta29
+        1.13++
+        5.5.kw
+        2.0b1pl0
+
+    In fact, there is no such thing as an invalid version number under
+    this scheme; the rules for comparison are simple and predictable,
+    but may not always give the results you want (for some definition
+    of "want").
+    """
+
+    component_re = re.compile(r'(\d+ | [a-z]+ | \.)', re.VERBOSE)
+
+    def parse(self, vstring):
+        # I've given up on thinking I can reconstruct the version string
+        # from the parsed tuple -- so I just store the string here for
+        # use by __str__
+        self.vstring = vstring
+        components = [x for x in self.component_re.split(vstring) if x and x != '.']
+        for i, obj in enumerate(components):
+            try:
+                components[i] = int(obj)
+            except ValueError:
+                pass
+
+        self.version = components
+
+    def __str__(self):
+        return self.vstring
+
+    def __repr__(self):
+        return "LooseVersion ('%s')" % str(self)
+
+    def _cmp(self, other):
+        if isinstance(other, str):
+            other = LooseVersion(other)
+        elif not isinstance(other, LooseVersion):
+            return NotImplemented
+
+        if self.version == other.version:
+            return 0
+        if self.version < other.version:
+            return -1
+        if self.version > other.version:
+            return 1
+
+
+# end class LooseVersion
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/versionpredicate.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/versionpredicate.py
new file mode 100644
index 00000000..6ea1192d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_distutils/versionpredicate.py
@@ -0,0 +1,175 @@
+"""Module for parsing and testing package version predicate strings.
+"""
+import re
+import distutils.version
+import operator
+
+
+re_validPackage = re.compile(r"(?i)^\s*([a-z_]\w*(?:\.[a-z_]\w*)*)(.*)", re.ASCII)
+# (package) (rest)
+
+re_paren = re.compile(r"^\s*\((.*)\)\s*$")  # (list) inside of parentheses
+re_splitComparison = re.compile(r"^\s*(<=|>=|<|>|!=|==)\s*([^\s,]+)\s*$")
+# (comp) (version)
+
+
+def splitUp(pred):
+    """Parse a single version comparison.
+
+    Return (comparison string, StrictVersion)
+    """
+    res = re_splitComparison.match(pred)
+    if not res:
+        raise ValueError("bad package restriction syntax: %r" % pred)
+    comp, verStr = res.groups()
+    with distutils.version.suppress_known_deprecation():
+        other = distutils.version.StrictVersion(verStr)
+    return (comp, other)
+
+
+compmap = {
+    "<": operator.lt,
+    "<=": operator.le,
+    "==": operator.eq,
+    ">": operator.gt,
+    ">=": operator.ge,
+    "!=": operator.ne,
+}
+
+
+class VersionPredicate:
+    """Parse and test package version predicates.
+
+    >>> v = VersionPredicate('pyepat.abc (>1.0, <3333.3a1, !=1555.1b3)')
+
+    The `name` attribute provides the full dotted name that is given::
+
+    >>> v.name
+    'pyepat.abc'
+
+    The str() of a `VersionPredicate` provides a normalized
+    human-readable version of the expression::
+
+    >>> print(v)
+    pyepat.abc (> 1.0, < 3333.3a1, != 1555.1b3)
+
+    The `satisfied_by()` method can be used to determine with a given
+    version number is included in the set described by the version
+    restrictions::
+
+    >>> v.satisfied_by('1.1')
+    True
+    >>> v.satisfied_by('1.4')
+    True
+    >>> v.satisfied_by('1.0')
+    False
+    >>> v.satisfied_by('4444.4')
+    False
+    >>> v.satisfied_by('1555.1b3')
+    False
+
+    `VersionPredicate` is flexible in accepting extra whitespace::
+
+    >>> v = VersionPredicate(' pat( ==  0.1  )  ')
+    >>> v.name
+    'pat'
+    >>> v.satisfied_by('0.1')
+    True
+    >>> v.satisfied_by('0.2')
+    False
+
+    If any version numbers passed in do not conform to the
+    restrictions of `StrictVersion`, a `ValueError` is raised::
+
+    >>> v = VersionPredicate('p1.p2.p3.p4(>=1.0, <=1.3a1, !=1.2zb3)')
+    Traceback (most recent call last):
+      ...
+    ValueError: invalid version number '1.2zb3'
+
+    It the module or package name given does not conform to what's
+    allowed as a legal module or package name, `ValueError` is
+    raised::
+
+    >>> v = VersionPredicate('foo-bar')
+    Traceback (most recent call last):
+      ...
+    ValueError: expected parenthesized list: '-bar'
+
+    >>> v = VersionPredicate('foo bar (12.21)')
+    Traceback (most recent call last):
+      ...
+    ValueError: expected parenthesized list: 'bar (12.21)'
+
+    """
+
+    def __init__(self, versionPredicateStr):
+        """Parse a version predicate string."""
+        # Fields:
+        #    name:  package name
+        #    pred:  list of (comparison string, StrictVersion)
+
+        versionPredicateStr = versionPredicateStr.strip()
+        if not versionPredicateStr:
+            raise ValueError("empty package restriction")
+        match = re_validPackage.match(versionPredicateStr)
+        if not match:
+            raise ValueError("bad package name in %r" % versionPredicateStr)
+        self.name, paren = match.groups()
+        paren = paren.strip()
+        if paren:
+            match = re_paren.match(paren)
+            if not match:
+                raise ValueError("expected parenthesized list: %r" % paren)
+            str = match.groups()[0]
+            self.pred = [splitUp(aPred) for aPred in str.split(",")]
+            if not self.pred:
+                raise ValueError("empty parenthesized list in %r" % versionPredicateStr)
+        else:
+            self.pred = []
+
+    def __str__(self):
+        if self.pred:
+            seq = [cond + " " + str(ver) for cond, ver in self.pred]
+            return self.name + " (" + ", ".join(seq) + ")"
+        else:
+            return self.name
+
+    def satisfied_by(self, version):
+        """True if version is compatible with all the predicates in self.
+        The parameter version must be acceptable to the StrictVersion
+        constructor.  It may be either a string or StrictVersion.
+        """
+        for cond, ver in self.pred:
+            if not compmap[cond](version, ver):
+                return False
+        return True
+
+
+_provision_rx = None
+
+
+def split_provision(value):
+    """Return the name and optional version number of a provision.
+
+    The version number, if given, will be returned as a `StrictVersion`
+    instance, otherwise it will be `None`.
+
+    >>> split_provision('mypkg')
+    ('mypkg', None)
+    >>> split_provision(' mypkg( 1.2 ) ')
+    ('mypkg', StrictVersion ('1.2'))
+    """
+    global _provision_rx
+    if _provision_rx is None:
+        _provision_rx = re.compile(
+            r"([a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*)(?:\s*\(\s*([^)\s]+)\s*\))?$", re.ASCII
+        )
+    value = value.strip()
+    m = _provision_rx.match(value)
+    if not m:
+        raise ValueError("illegal provides specification: %r" % value)
+    ver = m.group(2) or None
+    if ver:
+        with distutils.version.suppress_known_deprecation():
+            ver = distutils.version.StrictVersion(ver)
+    return m.group(1), ver
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_entry_points.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_entry_points.py
new file mode 100644
index 00000000..f087681b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_entry_points.py
@@ -0,0 +1,86 @@
+import functools
+import operator
+import itertools
+
+from .extern.jaraco.text import yield_lines
+from .extern.jaraco.functools import pass_none
+from ._importlib import metadata
+from ._itertools import ensure_unique
+from .extern.more_itertools import consume
+
+
+def ensure_valid(ep):
+    """
+    Exercise one of the dynamic properties to trigger
+    the pattern match.
+    """
+    ep.extras
+
+
+def load_group(value, group):
+    """
+    Given a value of an entry point or series of entry points,
+    return each as an EntryPoint.
+    """
+    # normalize to a single sequence of lines
+    lines = yield_lines(value)
+    text = f'[{group}]\n' + '\n'.join(lines)
+    return metadata.EntryPoints._from_text(text)
+
+
+def by_group_and_name(ep):
+    return ep.group, ep.name
+
+
+def validate(eps: metadata.EntryPoints):
+    """
+    Ensure entry points are unique by group and name and validate each.
+    """
+    consume(map(ensure_valid, ensure_unique(eps, key=by_group_and_name)))
+    return eps
+
+
+@functools.singledispatch
+def load(eps):
+    """
+    Given a Distribution.entry_points, produce EntryPoints.
+    """
+    groups = itertools.chain.from_iterable(
+        load_group(value, group)
+        for group, value in eps.items())
+    return validate(metadata.EntryPoints(groups))
+
+
+@load.register(str)
+def _(eps):
+    r"""
+    >>> ep, = load('[console_scripts]\nfoo=bar')
+    >>> ep.group
+    'console_scripts'
+    >>> ep.name
+    'foo'
+    >>> ep.value
+    'bar'
+    """
+    return validate(metadata.EntryPoints(metadata.EntryPoints._from_text(eps)))
+
+
+load.register(type(None), lambda x: x)
+
+
+@pass_none
+def render(eps: metadata.EntryPoints):
+    by_group = operator.attrgetter('group')
+    groups = itertools.groupby(sorted(eps, key=by_group), by_group)
+
+    return '\n'.join(
+        f'[{group}]\n{render_items(items)}\n'
+        for group, items in groups
+    )
+
+
+def render_items(eps):
+    return '\n'.join(
+        f'{ep.name} = {ep.value}'
+        for ep in sorted(eps)
+    )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_imp.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_imp.py
new file mode 100644
index 00000000..47efd792
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_imp.py
@@ -0,0 +1,82 @@
+"""
+Re-implementation of find_module and get_frozen_object
+from the deprecated imp module.
+"""
+
+import os
+import importlib.util
+import importlib.machinery
+
+from .py34compat import module_from_spec
+
+
+PY_SOURCE = 1
+PY_COMPILED = 2
+C_EXTENSION = 3
+C_BUILTIN = 6
+PY_FROZEN = 7
+
+
+def find_spec(module, paths):
+    finder = (
+        importlib.machinery.PathFinder().find_spec
+        if isinstance(paths, list) else
+        importlib.util.find_spec
+    )
+    return finder(module, paths)
+
+
+def find_module(module, paths=None):
+    """Just like 'imp.find_module()', but with package support"""
+    spec = find_spec(module, paths)
+    if spec is None:
+        raise ImportError("Can't find %s" % module)
+    if not spec.has_location and hasattr(spec, 'submodule_search_locations'):
+        spec = importlib.util.spec_from_loader('__init__.py', spec.loader)
+
+    kind = -1
+    file = None
+    static = isinstance(spec.loader, type)
+    if spec.origin == 'frozen' or static and issubclass(
+            spec.loader, importlib.machinery.FrozenImporter):
+        kind = PY_FROZEN
+        path = None  # imp compabilty
+        suffix = mode = ''  # imp compatibility
+    elif spec.origin == 'built-in' or static and issubclass(
+            spec.loader, importlib.machinery.BuiltinImporter):
+        kind = C_BUILTIN
+        path = None  # imp compabilty
+        suffix = mode = ''  # imp compatibility
+    elif spec.has_location:
+        path = spec.origin
+        suffix = os.path.splitext(path)[1]
+        mode = 'r' if suffix in importlib.machinery.SOURCE_SUFFIXES else 'rb'
+
+        if suffix in importlib.machinery.SOURCE_SUFFIXES:
+            kind = PY_SOURCE
+        elif suffix in importlib.machinery.BYTECODE_SUFFIXES:
+            kind = PY_COMPILED
+        elif suffix in importlib.machinery.EXTENSION_SUFFIXES:
+            kind = C_EXTENSION
+
+        if kind in {PY_SOURCE, PY_COMPILED}:
+            file = open(path, mode)
+    else:
+        path = None
+        suffix = mode = ''
+
+    return file, path, (suffix, mode, kind)
+
+
+def get_frozen_object(module, paths=None):
+    spec = find_spec(module, paths)
+    if not spec:
+        raise ImportError("Can't find %s" % module)
+    return spec.loader.get_code(module)
+
+
+def get_module(module, paths, info):
+    spec = find_spec(module, paths)
+    if not spec:
+        raise ImportError("Can't find %s" % module)
+    return module_from_spec(spec)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_importlib.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_importlib.py
new file mode 100644
index 00000000..819bf5d3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_importlib.py
@@ -0,0 +1,47 @@
+import sys
+
+
+def disable_importlib_metadata_finder(metadata):
+    """
+    Ensure importlib_metadata doesn't provide older, incompatible
+    Distributions.
+
+    Workaround for #3102.
+    """
+    try:
+        import importlib_metadata
+    except ImportError:
+        return
+    except AttributeError:
+        import warnings
+
+        msg = (
+            "`importlib-metadata` version is incompatible with `setuptools`.\n"
+            "This problem is likely to be solved by installing an updated version of "
+            "`importlib-metadata`."
+        )
+        warnings.warn(msg)  # Ensure a descriptive message is shown.
+        raise  # This exception can be suppressed by _distutils_hack
+
+    if importlib_metadata is metadata:
+        return
+    to_remove = [
+        ob
+        for ob in sys.meta_path
+        if isinstance(ob, importlib_metadata.MetadataPathFinder)
+    ]
+    for item in to_remove:
+        sys.meta_path.remove(item)
+
+
+if sys.version_info < (3, 10):
+    from setuptools.extern import importlib_metadata as metadata
+    disable_importlib_metadata_finder(metadata)
+else:
+    import importlib.metadata as metadata  # noqa: F401
+
+
+if sys.version_info < (3, 9):
+    from setuptools.extern import importlib_resources as resources
+else:
+    import importlib.resources as resources  # noqa: F401
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_itertools.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_itertools.py
new file mode 100644
index 00000000..b8bf6d21
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_itertools.py
@@ -0,0 +1,23 @@
+from setuptools.extern.more_itertools import consume  # noqa: F401
+
+
+# copied from jaraco.itertools 6.1
+def ensure_unique(iterable, key=lambda x: x):
+    """
+    Wrap an iterable to raise a ValueError if non-unique values are encountered.
+
+    >>> list(ensure_unique('abc'))
+    ['a', 'b', 'c']
+    >>> consume(ensure_unique('abca'))
+    Traceback (most recent call last):
+    ...
+    ValueError: Duplicate element 'a' encountered.
+    """
+    seen = set()
+    seen_add = seen.add
+    for element in iterable:
+        k = key(element)
+        if k in seen:
+            raise ValueError(f"Duplicate element {element!r} encountered.")
+        seen_add(k)
+        yield element
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_path.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_path.py
new file mode 100644
index 00000000..3767523b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_path.py
@@ -0,0 +1,29 @@
+import os
+from typing import Union
+
+_Path = Union[str, os.PathLike]
+
+
+def ensure_directory(path):
+    """Ensure that the parent directory of `path` exists"""
+    dirname = os.path.dirname(path)
+    os.makedirs(dirname, exist_ok=True)
+
+
+def same_path(p1: _Path, p2: _Path) -> bool:
+    """Differs from os.path.samefile because it does not require paths to exist.
+    Purely string based (no comparison between i-nodes).
+    >>> same_path("a/b", "./a/b")
+    True
+    >>> same_path("a/b", "a/./b")
+    True
+    >>> same_path("a/b", "././a/b")
+    True
+    >>> same_path("a/b", "./a/b/c/..")
+    True
+    >>> same_path("a/b", "../a/b/c")
+    False
+    >>> same_path("a", "a/b")
+    False
+    """
+    return os.path.normpath(p1) == os.path.normpath(p2)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_reqs.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_reqs.py
new file mode 100644
index 00000000..ca724174
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_reqs.py
@@ -0,0 +1,19 @@
+import setuptools.extern.jaraco.text as text
+
+from pkg_resources import Requirement
+
+
+def parse_strings(strs):
+    """
+    Yield requirement strings for each specification in `strs`.
+
+    `strs` must be a string, or a (possibly-nested) iterable thereof.
+    """
+    return text.join_continuation(map(text.drop_comment, text.yield_lines(strs)))
+
+
+def parse(strs):
+    """
+    Deprecated drop-in replacement for pkg_resources.parse_requirements.
+    """
+    return map(Requirement, parse_strings(strs))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/__init__.py
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index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/__pycache__/zipp.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/__pycache__/zipp.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/__init__.py
new file mode 100644
index 00000000..292e0c6d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/__init__.py
@@ -0,0 +1,1047 @@
+import os
+import re
+import abc
+import csv
+import sys
+from .. import zipp
+import email
+import pathlib
+import operator
+import textwrap
+import warnings
+import functools
+import itertools
+import posixpath
+import collections
+
+from . import _adapters, _meta
+from ._collections import FreezableDefaultDict, Pair
+from ._compat import (
+    NullFinder,
+    install,
+    pypy_partial,
+)
+from ._functools import method_cache, pass_none
+from ._itertools import always_iterable, unique_everseen
+from ._meta import PackageMetadata, SimplePath
+
+from contextlib import suppress
+from importlib import import_module
+from importlib.abc import MetaPathFinder
+from itertools import starmap
+from typing import List, Mapping, Optional, Union
+
+
+__all__ = [
+    'Distribution',
+    'DistributionFinder',
+    'PackageMetadata',
+    'PackageNotFoundError',
+    'distribution',
+    'distributions',
+    'entry_points',
+    'files',
+    'metadata',
+    'packages_distributions',
+    'requires',
+    'version',
+]
+
+
+class PackageNotFoundError(ModuleNotFoundError):
+    """The package was not found."""
+
+    def __str__(self):
+        return f"No package metadata was found for {self.name}"
+
+    @property
+    def name(self):
+        (name,) = self.args
+        return name
+
+
+class Sectioned:
+    """
+    A simple entry point config parser for performance
+
+    >>> for item in Sectioned.read(Sectioned._sample):
+    ...     print(item)
+    Pair(name='sec1', value='# comments ignored')
+    Pair(name='sec1', value='a = 1')
+    Pair(name='sec1', value='b = 2')
+    Pair(name='sec2', value='a = 2')
+
+    >>> res = Sectioned.section_pairs(Sectioned._sample)
+    >>> item = next(res)
+    >>> item.name
+    'sec1'
+    >>> item.value
+    Pair(name='a', value='1')
+    >>> item = next(res)
+    >>> item.value
+    Pair(name='b', value='2')
+    >>> item = next(res)
+    >>> item.name
+    'sec2'
+    >>> item.value
+    Pair(name='a', value='2')
+    >>> list(res)
+    []
+    """
+
+    _sample = textwrap.dedent(
+        """
+        [sec1]
+        # comments ignored
+        a = 1
+        b = 2
+
+        [sec2]
+        a = 2
+        """
+    ).lstrip()
+
+    @classmethod
+    def section_pairs(cls, text):
+        return (
+            section._replace(value=Pair.parse(section.value))
+            for section in cls.read(text, filter_=cls.valid)
+            if section.name is not None
+        )
+
+    @staticmethod
+    def read(text, filter_=None):
+        lines = filter(filter_, map(str.strip, text.splitlines()))
+        name = None
+        for value in lines:
+            section_match = value.startswith('[') and value.endswith(']')
+            if section_match:
+                name = value.strip('[]')
+                continue
+            yield Pair(name, value)
+
+    @staticmethod
+    def valid(line):
+        return line and not line.startswith('#')
+
+
+class DeprecatedTuple:
+    """
+    Provide subscript item access for backward compatibility.
+
+    >>> recwarn = getfixture('recwarn')
+    >>> ep = EntryPoint(name='name', value='value', group='group')
+    >>> ep[:]
+    ('name', 'value', 'group')
+    >>> ep[0]
+    'name'
+    >>> len(recwarn)
+    1
+    """
+
+    _warn = functools.partial(
+        warnings.warn,
+        "EntryPoint tuple interface is deprecated. Access members by name.",
+        DeprecationWarning,
+        stacklevel=pypy_partial(2),
+    )
+
+    def __getitem__(self, item):
+        self._warn()
+        return self._key()[item]
+
+
+class EntryPoint(DeprecatedTuple):
+    """An entry point as defined by Python packaging conventions.
+
+    See `the packaging docs on entry points
+    <https://packaging.python.org/specifications/entry-points/>`_
+    for more information.
+    """
+
+    pattern = re.compile(
+        r'(?P<module>[\w.]+)\s*'
+        r'(:\s*(?P<attr>[\w.]+)\s*)?'
+        r'((?P<extras>\[.*\])\s*)?$'
+    )
+    """
+    A regular expression describing the syntax for an entry point,
+    which might look like:
+
+        - module
+        - package.module
+        - package.module:attribute
+        - package.module:object.attribute
+        - package.module:attr [extra1, extra2]
+
+    Other combinations are possible as well.
+
+    The expression is lenient about whitespace around the ':',
+    following the attr, and following any extras.
+    """
+
+    dist: Optional['Distribution'] = None
+
+    def __init__(self, name, value, group):
+        vars(self).update(name=name, value=value, group=group)
+
+    def load(self):
+        """Load the entry point from its definition. If only a module
+        is indicated by the value, return that module. Otherwise,
+        return the named object.
+        """
+        match = self.pattern.match(self.value)
+        module = import_module(match.group('module'))
+        attrs = filter(None, (match.group('attr') or '').split('.'))
+        return functools.reduce(getattr, attrs, module)
+
+    @property
+    def module(self):
+        match = self.pattern.match(self.value)
+        return match.group('module')
+
+    @property
+    def attr(self):
+        match = self.pattern.match(self.value)
+        return match.group('attr')
+
+    @property
+    def extras(self):
+        match = self.pattern.match(self.value)
+        return list(re.finditer(r'\w+', match.group('extras') or ''))
+
+    def _for(self, dist):
+        vars(self).update(dist=dist)
+        return self
+
+    def __iter__(self):
+        """
+        Supply iter so one may construct dicts of EntryPoints by name.
+        """
+        msg = (
+            "Construction of dict of EntryPoints is deprecated in "
+            "favor of EntryPoints."
+        )
+        warnings.warn(msg, DeprecationWarning)
+        return iter((self.name, self))
+
+    def matches(self, **params):
+        attrs = (getattr(self, param) for param in params)
+        return all(map(operator.eq, params.values(), attrs))
+
+    def _key(self):
+        return self.name, self.value, self.group
+
+    def __lt__(self, other):
+        return self._key() < other._key()
+
+    def __eq__(self, other):
+        return self._key() == other._key()
+
+    def __setattr__(self, name, value):
+        raise AttributeError("EntryPoint objects are immutable.")
+
+    def __repr__(self):
+        return (
+            f'EntryPoint(name={self.name!r}, value={self.value!r}, '
+            f'group={self.group!r})'
+        )
+
+    def __hash__(self):
+        return hash(self._key())
+
+
+class DeprecatedList(list):
+    """
+    Allow an otherwise immutable object to implement mutability
+    for compatibility.
+
+    >>> recwarn = getfixture('recwarn')
+    >>> dl = DeprecatedList(range(3))
+    >>> dl[0] = 1
+    >>> dl.append(3)
+    >>> del dl[3]
+    >>> dl.reverse()
+    >>> dl.sort()
+    >>> dl.extend([4])
+    >>> dl.pop(-1)
+    4
+    >>> dl.remove(1)
+    >>> dl += [5]
+    >>> dl + [6]
+    [1, 2, 5, 6]
+    >>> dl + (6,)
+    [1, 2, 5, 6]
+    >>> dl.insert(0, 0)
+    >>> dl
+    [0, 1, 2, 5]
+    >>> dl == [0, 1, 2, 5]
+    True
+    >>> dl == (0, 1, 2, 5)
+    True
+    >>> len(recwarn)
+    1
+    """
+
+    __slots__ = ()
+
+    _warn = functools.partial(
+        warnings.warn,
+        "EntryPoints list interface is deprecated. Cast to list if needed.",
+        DeprecationWarning,
+        stacklevel=pypy_partial(2),
+    )
+
+    def _wrap_deprecated_method(method_name: str):  # type: ignore
+        def wrapped(self, *args, **kwargs):
+            self._warn()
+            return getattr(super(), method_name)(*args, **kwargs)
+
+        return method_name, wrapped
+
+    locals().update(
+        map(
+            _wrap_deprecated_method,
+            '__setitem__ __delitem__ append reverse extend pop remove '
+            '__iadd__ insert sort'.split(),
+        )
+    )
+
+    def __add__(self, other):
+        if not isinstance(other, tuple):
+            self._warn()
+            other = tuple(other)
+        return self.__class__(tuple(self) + other)
+
+    def __eq__(self, other):
+        if not isinstance(other, tuple):
+            self._warn()
+            other = tuple(other)
+
+        return tuple(self).__eq__(other)
+
+
+class EntryPoints(DeprecatedList):
+    """
+    An immutable collection of selectable EntryPoint objects.
+    """
+
+    __slots__ = ()
+
+    def __getitem__(self, name):  # -> EntryPoint:
+        """
+        Get the EntryPoint in self matching name.
+        """
+        if isinstance(name, int):
+            warnings.warn(
+                "Accessing entry points by index is deprecated. "
+                "Cast to tuple if needed.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+            return super().__getitem__(name)
+        try:
+            return next(iter(self.select(name=name)))
+        except StopIteration:
+            raise KeyError(name)
+
+    def select(self, **params):
+        """
+        Select entry points from self that match the
+        given parameters (typically group and/or name).
+        """
+        return EntryPoints(ep for ep in self if ep.matches(**params))
+
+    @property
+    def names(self):
+        """
+        Return the set of all names of all entry points.
+        """
+        return {ep.name for ep in self}
+
+    @property
+    def groups(self):
+        """
+        Return the set of all groups of all entry points.
+
+        For coverage while SelectableGroups is present.
+        >>> EntryPoints().groups
+        set()
+        """
+        return {ep.group for ep in self}
+
+    @classmethod
+    def _from_text_for(cls, text, dist):
+        return cls(ep._for(dist) for ep in cls._from_text(text))
+
+    @staticmethod
+    def _from_text(text):
+        return (
+            EntryPoint(name=item.value.name, value=item.value.value, group=item.name)
+            for item in Sectioned.section_pairs(text or '')
+        )
+
+
+class Deprecated:
+    """
+    Compatibility add-in for mapping to indicate that
+    mapping behavior is deprecated.
+
+    >>> recwarn = getfixture('recwarn')
+    >>> class DeprecatedDict(Deprecated, dict): pass
+    >>> dd = DeprecatedDict(foo='bar')
+    >>> dd.get('baz', None)
+    >>> dd['foo']
+    'bar'
+    >>> list(dd)
+    ['foo']
+    >>> list(dd.keys())
+    ['foo']
+    >>> 'foo' in dd
+    True
+    >>> list(dd.values())
+    ['bar']
+    >>> len(recwarn)
+    1
+    """
+
+    _warn = functools.partial(
+        warnings.warn,
+        "SelectableGroups dict interface is deprecated. Use select.",
+        DeprecationWarning,
+        stacklevel=pypy_partial(2),
+    )
+
+    def __getitem__(self, name):
+        self._warn()
+        return super().__getitem__(name)
+
+    def get(self, name, default=None):
+        self._warn()
+        return super().get(name, default)
+
+    def __iter__(self):
+        self._warn()
+        return super().__iter__()
+
+    def __contains__(self, *args):
+        self._warn()
+        return super().__contains__(*args)
+
+    def keys(self):
+        self._warn()
+        return super().keys()
+
+    def values(self):
+        self._warn()
+        return super().values()
+
+
+class SelectableGroups(Deprecated, dict):
+    """
+    A backward- and forward-compatible result from
+    entry_points that fully implements the dict interface.
+    """
+
+    @classmethod
+    def load(cls, eps):
+        by_group = operator.attrgetter('group')
+        ordered = sorted(eps, key=by_group)
+        grouped = itertools.groupby(ordered, by_group)
+        return cls((group, EntryPoints(eps)) for group, eps in grouped)
+
+    @property
+    def _all(self):
+        """
+        Reconstruct a list of all entrypoints from the groups.
+        """
+        groups = super(Deprecated, self).values()
+        return EntryPoints(itertools.chain.from_iterable(groups))
+
+    @property
+    def groups(self):
+        return self._all.groups
+
+    @property
+    def names(self):
+        """
+        for coverage:
+        >>> SelectableGroups().names
+        set()
+        """
+        return self._all.names
+
+    def select(self, **params):
+        if not params:
+            return self
+        return self._all.select(**params)
+
+
+class PackagePath(pathlib.PurePosixPath):
+    """A reference to a path in a package"""
+
+    def read_text(self, encoding='utf-8'):
+        with self.locate().open(encoding=encoding) as stream:
+            return stream.read()
+
+    def read_binary(self):
+        with self.locate().open('rb') as stream:
+            return stream.read()
+
+    def locate(self):
+        """Return a path-like object for this path"""
+        return self.dist.locate_file(self)
+
+
+class FileHash:
+    def __init__(self, spec):
+        self.mode, _, self.value = spec.partition('=')
+
+    def __repr__(self):
+        return f'<FileHash mode: {self.mode} value: {self.value}>'
+
+
+class Distribution:
+    """A Python distribution package."""
+
+    @abc.abstractmethod
+    def read_text(self, filename):
+        """Attempt to load metadata file given by the name.
+
+        :param filename: The name of the file in the distribution info.
+        :return: The text if found, otherwise None.
+        """
+
+    @abc.abstractmethod
+    def locate_file(self, path):
+        """
+        Given a path to a file in this distribution, return a path
+        to it.
+        """
+
+    @classmethod
+    def from_name(cls, name):
+        """Return the Distribution for the given package name.
+
+        :param name: The name of the distribution package to search for.
+        :return: The Distribution instance (or subclass thereof) for the named
+            package, if found.
+        :raises PackageNotFoundError: When the named package's distribution
+            metadata cannot be found.
+        """
+        for resolver in cls._discover_resolvers():
+            dists = resolver(DistributionFinder.Context(name=name))
+            dist = next(iter(dists), None)
+            if dist is not None:
+                return dist
+        else:
+            raise PackageNotFoundError(name)
+
+    @classmethod
+    def discover(cls, **kwargs):
+        """Return an iterable of Distribution objects for all packages.
+
+        Pass a ``context`` or pass keyword arguments for constructing
+        a context.
+
+        :context: A ``DistributionFinder.Context`` object.
+        :return: Iterable of Distribution objects for all packages.
+        """
+        context = kwargs.pop('context', None)
+        if context and kwargs:
+            raise ValueError("cannot accept context and kwargs")
+        context = context or DistributionFinder.Context(**kwargs)
+        return itertools.chain.from_iterable(
+            resolver(context) for resolver in cls._discover_resolvers()
+        )
+
+    @staticmethod
+    def at(path):
+        """Return a Distribution for the indicated metadata path
+
+        :param path: a string or path-like object
+        :return: a concrete Distribution instance for the path
+        """
+        return PathDistribution(pathlib.Path(path))
+
+    @staticmethod
+    def _discover_resolvers():
+        """Search the meta_path for resolvers."""
+        declared = (
+            getattr(finder, 'find_distributions', None) for finder in sys.meta_path
+        )
+        return filter(None, declared)
+
+    @property
+    def metadata(self) -> _meta.PackageMetadata:
+        """Return the parsed metadata for this Distribution.
+
+        The returned object will have keys that name the various bits of
+        metadata.  See PEP 566 for details.
+        """
+        text = (
+            self.read_text('METADATA')
+            or self.read_text('PKG-INFO')
+            # This last clause is here to support old egg-info files.  Its
+            # effect is to just end up using the PathDistribution's self._path
+            # (which points to the egg-info file) attribute unchanged.
+            or self.read_text('')
+        )
+        return _adapters.Message(email.message_from_string(text))
+
+    @property
+    def name(self):
+        """Return the 'Name' metadata for the distribution package."""
+        return self.metadata['Name']
+
+    @property
+    def _normalized_name(self):
+        """Return a normalized version of the name."""
+        return Prepared.normalize(self.name)
+
+    @property
+    def version(self):
+        """Return the 'Version' metadata for the distribution package."""
+        return self.metadata['Version']
+
+    @property
+    def entry_points(self):
+        return EntryPoints._from_text_for(self.read_text('entry_points.txt'), self)
+
+    @property
+    def files(self):
+        """Files in this distribution.
+
+        :return: List of PackagePath for this distribution or None
+
+        Result is `None` if the metadata file that enumerates files
+        (i.e. RECORD for dist-info or SOURCES.txt for egg-info) is
+        missing.
+        Result may be empty if the metadata exists but is empty.
+        """
+
+        def make_file(name, hash=None, size_str=None):
+            result = PackagePath(name)
+            result.hash = FileHash(hash) if hash else None
+            result.size = int(size_str) if size_str else None
+            result.dist = self
+            return result
+
+        @pass_none
+        def make_files(lines):
+            return list(starmap(make_file, csv.reader(lines)))
+
+        return make_files(self._read_files_distinfo() or self._read_files_egginfo())
+
+    def _read_files_distinfo(self):
+        """
+        Read the lines of RECORD
+        """
+        text = self.read_text('RECORD')
+        return text and text.splitlines()
+
+    def _read_files_egginfo(self):
+        """
+        SOURCES.txt might contain literal commas, so wrap each line
+        in quotes.
+        """
+        text = self.read_text('SOURCES.txt')
+        return text and map('"{}"'.format, text.splitlines())
+
+    @property
+    def requires(self):
+        """Generated requirements specified for this Distribution"""
+        reqs = self._read_dist_info_reqs() or self._read_egg_info_reqs()
+        return reqs and list(reqs)
+
+    def _read_dist_info_reqs(self):
+        return self.metadata.get_all('Requires-Dist')
+
+    def _read_egg_info_reqs(self):
+        source = self.read_text('requires.txt')
+        return pass_none(self._deps_from_requires_text)(source)
+
+    @classmethod
+    def _deps_from_requires_text(cls, source):
+        return cls._convert_egg_info_reqs_to_simple_reqs(Sectioned.read(source))
+
+    @staticmethod
+    def _convert_egg_info_reqs_to_simple_reqs(sections):
+        """
+        Historically, setuptools would solicit and store 'extra'
+        requirements, including those with environment markers,
+        in separate sections. More modern tools expect each
+        dependency to be defined separately, with any relevant
+        extras and environment markers attached directly to that
+        requirement. This method converts the former to the
+        latter. See _test_deps_from_requires_text for an example.
+        """
+
+        def make_condition(name):
+            return name and f'extra == "{name}"'
+
+        def quoted_marker(section):
+            section = section or ''
+            extra, sep, markers = section.partition(':')
+            if extra and markers:
+                markers = f'({markers})'
+            conditions = list(filter(None, [markers, make_condition(extra)]))
+            return '; ' + ' and '.join(conditions) if conditions else ''
+
+        def url_req_space(req):
+            """
+            PEP 508 requires a space between the url_spec and the quoted_marker.
+            Ref python/importlib_metadata#357.
+            """
+            # '@' is uniquely indicative of a url_req.
+            return ' ' * ('@' in req)
+
+        for section in sections:
+            space = url_req_space(section.value)
+            yield section.value + space + quoted_marker(section.name)
+
+
+class DistributionFinder(MetaPathFinder):
+    """
+    A MetaPathFinder capable of discovering installed distributions.
+    """
+
+    class Context:
+        """
+        Keyword arguments presented by the caller to
+        ``distributions()`` or ``Distribution.discover()``
+        to narrow the scope of a search for distributions
+        in all DistributionFinders.
+
+        Each DistributionFinder may expect any parameters
+        and should attempt to honor the canonical
+        parameters defined below when appropriate.
+        """
+
+        name = None
+        """
+        Specific name for which a distribution finder should match.
+        A name of ``None`` matches all distributions.
+        """
+
+        def __init__(self, **kwargs):
+            vars(self).update(kwargs)
+
+        @property
+        def path(self):
+            """
+            The sequence of directory path that a distribution finder
+            should search.
+
+            Typically refers to Python installed package paths such as
+            "site-packages" directories and defaults to ``sys.path``.
+            """
+            return vars(self).get('path', sys.path)
+
+    @abc.abstractmethod
+    def find_distributions(self, context=Context()):
+        """
+        Find distributions.
+
+        Return an iterable of all Distribution instances capable of
+        loading the metadata for packages matching the ``context``,
+        a DistributionFinder.Context instance.
+        """
+
+
+class FastPath:
+    """
+    Micro-optimized class for searching a path for
+    children.
+
+    >>> FastPath('').children()
+    ['...']
+    """
+
+    @functools.lru_cache()  # type: ignore
+    def __new__(cls, root):
+        return super().__new__(cls)
+
+    def __init__(self, root):
+        self.root = str(root)
+
+    def joinpath(self, child):
+        return pathlib.Path(self.root, child)
+
+    def children(self):
+        with suppress(Exception):
+            return os.listdir(self.root or '.')
+        with suppress(Exception):
+            return self.zip_children()
+        return []
+
+    def zip_children(self):
+        zip_path = zipp.Path(self.root)
+        names = zip_path.root.namelist()
+        self.joinpath = zip_path.joinpath
+
+        return dict.fromkeys(child.split(posixpath.sep, 1)[0] for child in names)
+
+    def search(self, name):
+        return self.lookup(self.mtime).search(name)
+
+    @property
+    def mtime(self):
+        with suppress(OSError):
+            return os.stat(self.root).st_mtime
+        self.lookup.cache_clear()
+
+    @method_cache
+    def lookup(self, mtime):
+        return Lookup(self)
+
+
+class Lookup:
+    def __init__(self, path: FastPath):
+        base = os.path.basename(path.root).lower()
+        base_is_egg = base.endswith(".egg")
+        self.infos = FreezableDefaultDict(list)
+        self.eggs = FreezableDefaultDict(list)
+
+        for child in path.children():
+            low = child.lower()
+            if low.endswith((".dist-info", ".egg-info")):
+                # rpartition is faster than splitext and suitable for this purpose.
+                name = low.rpartition(".")[0].partition("-")[0]
+                normalized = Prepared.normalize(name)
+                self.infos[normalized].append(path.joinpath(child))
+            elif base_is_egg and low == "egg-info":
+                name = base.rpartition(".")[0].partition("-")[0]
+                legacy_normalized = Prepared.legacy_normalize(name)
+                self.eggs[legacy_normalized].append(path.joinpath(child))
+
+        self.infos.freeze()
+        self.eggs.freeze()
+
+    def search(self, prepared):
+        infos = (
+            self.infos[prepared.normalized]
+            if prepared
+            else itertools.chain.from_iterable(self.infos.values())
+        )
+        eggs = (
+            self.eggs[prepared.legacy_normalized]
+            if prepared
+            else itertools.chain.from_iterable(self.eggs.values())
+        )
+        return itertools.chain(infos, eggs)
+
+
+class Prepared:
+    """
+    A prepared search for metadata on a possibly-named package.
+    """
+
+    normalized = None
+    legacy_normalized = None
+
+    def __init__(self, name):
+        self.name = name
+        if name is None:
+            return
+        self.normalized = self.normalize(name)
+        self.legacy_normalized = self.legacy_normalize(name)
+
+    @staticmethod
+    def normalize(name):
+        """
+        PEP 503 normalization plus dashes as underscores.
+        """
+        return re.sub(r"[-_.]+", "-", name).lower().replace('-', '_')
+
+    @staticmethod
+    def legacy_normalize(name):
+        """
+        Normalize the package name as found in the convention in
+        older packaging tools versions and specs.
+        """
+        return name.lower().replace('-', '_')
+
+    def __bool__(self):
+        return bool(self.name)
+
+
+@install
+class MetadataPathFinder(NullFinder, DistributionFinder):
+    """A degenerate finder for distribution packages on the file system.
+
+    This finder supplies only a find_distributions() method for versions
+    of Python that do not have a PathFinder find_distributions().
+    """
+
+    def find_distributions(self, context=DistributionFinder.Context()):
+        """
+        Find distributions.
+
+        Return an iterable of all Distribution instances capable of
+        loading the metadata for packages matching ``context.name``
+        (or all names if ``None`` indicated) along the paths in the list
+        of directories ``context.path``.
+        """
+        found = self._search_paths(context.name, context.path)
+        return map(PathDistribution, found)
+
+    @classmethod
+    def _search_paths(cls, name, paths):
+        """Find metadata directories in paths heuristically."""
+        prepared = Prepared(name)
+        return itertools.chain.from_iterable(
+            path.search(prepared) for path in map(FastPath, paths)
+        )
+
+    def invalidate_caches(cls):
+        FastPath.__new__.cache_clear()
+
+
+class PathDistribution(Distribution):
+    def __init__(self, path: SimplePath):
+        """Construct a distribution.
+
+        :param path: SimplePath indicating the metadata directory.
+        """
+        self._path = path
+
+    def read_text(self, filename):
+        with suppress(
+            FileNotFoundError,
+            IsADirectoryError,
+            KeyError,
+            NotADirectoryError,
+            PermissionError,
+        ):
+            return self._path.joinpath(filename).read_text(encoding='utf-8')
+
+    read_text.__doc__ = Distribution.read_text.__doc__
+
+    def locate_file(self, path):
+        return self._path.parent / path
+
+    @property
+    def _normalized_name(self):
+        """
+        Performance optimization: where possible, resolve the
+        normalized name from the file system path.
+        """
+        stem = os.path.basename(str(self._path))
+        return self._name_from_stem(stem) or super()._normalized_name
+
+    def _name_from_stem(self, stem):
+        name, ext = os.path.splitext(stem)
+        if ext not in ('.dist-info', '.egg-info'):
+            return
+        name, sep, rest = stem.partition('-')
+        return name
+
+
+def distribution(distribution_name):
+    """Get the ``Distribution`` instance for the named package.
+
+    :param distribution_name: The name of the distribution package as a string.
+    :return: A ``Distribution`` instance (or subclass thereof).
+    """
+    return Distribution.from_name(distribution_name)
+
+
+def distributions(**kwargs):
+    """Get all ``Distribution`` instances in the current environment.
+
+    :return: An iterable of ``Distribution`` instances.
+    """
+    return Distribution.discover(**kwargs)
+
+
+def metadata(distribution_name) -> _meta.PackageMetadata:
+    """Get the metadata for the named package.
+
+    :param distribution_name: The name of the distribution package to query.
+    :return: A PackageMetadata containing the parsed metadata.
+    """
+    return Distribution.from_name(distribution_name).metadata
+
+
+def version(distribution_name):
+    """Get the version string for the named package.
+
+    :param distribution_name: The name of the distribution package to query.
+    :return: The version string for the package as defined in the package's
+        "Version" metadata key.
+    """
+    return distribution(distribution_name).version
+
+
+def entry_points(**params) -> Union[EntryPoints, SelectableGroups]:
+    """Return EntryPoint objects for all installed packages.
+
+    Pass selection parameters (group or name) to filter the
+    result to entry points matching those properties (see
+    EntryPoints.select()).
+
+    For compatibility, returns ``SelectableGroups`` object unless
+    selection parameters are supplied. In the future, this function
+    will return ``EntryPoints`` instead of ``SelectableGroups``
+    even when no selection parameters are supplied.
+
+    For maximum future compatibility, pass selection parameters
+    or invoke ``.select`` with parameters on the result.
+
+    :return: EntryPoints or SelectableGroups for all installed packages.
+    """
+    norm_name = operator.attrgetter('_normalized_name')
+    unique = functools.partial(unique_everseen, key=norm_name)
+    eps = itertools.chain.from_iterable(
+        dist.entry_points for dist in unique(distributions())
+    )
+    return SelectableGroups.load(eps).select(**params)
+
+
+def files(distribution_name):
+    """Return a list of files for the named package.
+
+    :param distribution_name: The name of the distribution package to query.
+    :return: List of files composing the distribution.
+    """
+    return distribution(distribution_name).files
+
+
+def requires(distribution_name):
+    """
+    Return a list of requirements for the named package.
+
+    :return: An iterator of requirements, suitable for
+        packaging.requirement.Requirement.
+    """
+    return distribution(distribution_name).requires
+
+
+def packages_distributions() -> Mapping[str, List[str]]:
+    """
+    Return a mapping of top-level packages to their
+    distributions.
+
+    >>> import collections.abc
+    >>> pkgs = packages_distributions()
+    >>> all(isinstance(dist, collections.abc.Sequence) for dist in pkgs.values())
+    True
+    """
+    pkg_to_dist = collections.defaultdict(list)
+    for dist in distributions():
+        for pkg in _top_level_declared(dist) or _top_level_inferred(dist):
+            pkg_to_dist[pkg].append(dist.metadata['Name'])
+    return dict(pkg_to_dist)
+
+
+def _top_level_declared(dist):
+    return (dist.read_text('top_level.txt') or '').split()
+
+
+def _top_level_inferred(dist):
+    return {
+        f.parts[0] if len(f.parts) > 1 else f.with_suffix('').name
+        for f in always_iterable(dist.files)
+        if f.suffix == ".py"
+    }
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_adapters.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_adapters.py
new file mode 100644
index 00000000..aa460d3e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_adapters.py
@@ -0,0 +1,68 @@
+import re
+import textwrap
+import email.message
+
+from ._text import FoldedCase
+
+
+class Message(email.message.Message):
+    multiple_use_keys = set(
+        map(
+            FoldedCase,
+            [
+                'Classifier',
+                'Obsoletes-Dist',
+                'Platform',
+                'Project-URL',
+                'Provides-Dist',
+                'Provides-Extra',
+                'Requires-Dist',
+                'Requires-External',
+                'Supported-Platform',
+                'Dynamic',
+            ],
+        )
+    )
+    """
+    Keys that may be indicated multiple times per PEP 566.
+    """
+
+    def __new__(cls, orig: email.message.Message):
+        res = super().__new__(cls)
+        vars(res).update(vars(orig))
+        return res
+
+    def __init__(self, *args, **kwargs):
+        self._headers = self._repair_headers()
+
+    # suppress spurious error from mypy
+    def __iter__(self):
+        return super().__iter__()
+
+    def _repair_headers(self):
+        def redent(value):
+            "Correct for RFC822 indentation"
+            if not value or '\n' not in value:
+                return value
+            return textwrap.dedent(' ' * 8 + value)
+
+        headers = [(key, redent(value)) for key, value in vars(self)['_headers']]
+        if self._payload:
+            headers.append(('Description', self.get_payload()))
+        return headers
+
+    @property
+    def json(self):
+        """
+        Convert PackageMetadata to a JSON-compatible format
+        per PEP 0566.
+        """
+
+        def transform(key):
+            value = self.get_all(key) if key in self.multiple_use_keys else self[key]
+            if key == 'Keywords':
+                value = re.split(r'\s+', value)
+            tk = key.lower().replace('-', '_')
+            return tk, value
+
+        return dict(map(transform, map(FoldedCase, self)))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_collections.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_collections.py
new file mode 100644
index 00000000..cf0954e1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_collections.py
@@ -0,0 +1,30 @@
+import collections
+
+
+# from jaraco.collections 3.3
+class FreezableDefaultDict(collections.defaultdict):
+    """
+    Often it is desirable to prevent the mutation of
+    a default dict after its initial construction, such
+    as to prevent mutation during iteration.
+
+    >>> dd = FreezableDefaultDict(list)
+    >>> dd[0].append('1')
+    >>> dd.freeze()
+    >>> dd[1]
+    []
+    >>> len(dd)
+    1
+    """
+
+    def __missing__(self, key):
+        return getattr(self, '_frozen', super().__missing__)(key)
+
+    def freeze(self):
+        self._frozen = lambda key: self.default_factory()
+
+
+class Pair(collections.namedtuple('Pair', 'name value')):
+    @classmethod
+    def parse(cls, text):
+        return cls(*map(str.strip, text.split("=", 1)))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_compat.py
new file mode 100644
index 00000000..ef3136f8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_compat.py
@@ -0,0 +1,71 @@
+import sys
+import platform
+
+
+__all__ = ['install', 'NullFinder', 'Protocol']
+
+
+try:
+    from typing import Protocol
+except ImportError:  # pragma: no cover
+    from ..typing_extensions import Protocol  # type: ignore
+
+
+def install(cls):
+    """
+    Class decorator for installation on sys.meta_path.
+
+    Adds the backport DistributionFinder to sys.meta_path and
+    attempts to disable the finder functionality of the stdlib
+    DistributionFinder.
+    """
+    sys.meta_path.append(cls())
+    disable_stdlib_finder()
+    return cls
+
+
+def disable_stdlib_finder():
+    """
+    Give the backport primacy for discovering path-based distributions
+    by monkey-patching the stdlib O_O.
+
+    See #91 for more background for rationale on this sketchy
+    behavior.
+    """
+
+    def matches(finder):
+        return getattr(
+            finder, '__module__', None
+        ) == '_frozen_importlib_external' and hasattr(finder, 'find_distributions')
+
+    for finder in filter(matches, sys.meta_path):  # pragma: nocover
+        del finder.find_distributions
+
+
+class NullFinder:
+    """
+    A "Finder" (aka "MetaClassFinder") that never finds any modules,
+    but may find distributions.
+    """
+
+    @staticmethod
+    def find_spec(*args, **kwargs):
+        return None
+
+    # In Python 2, the import system requires finders
+    # to have a find_module() method, but this usage
+    # is deprecated in Python 3 in favor of find_spec().
+    # For the purposes of this finder (i.e. being present
+    # on sys.meta_path but having no other import
+    # system functionality), the two methods are identical.
+    find_module = find_spec
+
+
+def pypy_partial(val):
+    """
+    Adjust for variable stacklevel on partial under PyPy.
+
+    Workaround for #327.
+    """
+    is_pypy = platform.python_implementation() == 'PyPy'
+    return val + is_pypy
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_functools.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_functools.py
new file mode 100644
index 00000000..71f66bd0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_functools.py
@@ -0,0 +1,104 @@
+import types
+import functools
+
+
+# from jaraco.functools 3.3
+def method_cache(method, cache_wrapper=None):
+    """
+    Wrap lru_cache to support storing the cache data in the object instances.
+
+    Abstracts the common paradigm where the method explicitly saves an
+    underscore-prefixed protected property on first call and returns that
+    subsequently.
+
+    >>> class MyClass:
+    ...     calls = 0
+    ...
+    ...     @method_cache
+    ...     def method(self, value):
+    ...         self.calls += 1
+    ...         return value
+
+    >>> a = MyClass()
+    >>> a.method(3)
+    3
+    >>> for x in range(75):
+    ...     res = a.method(x)
+    >>> a.calls
+    75
+
+    Note that the apparent behavior will be exactly like that of lru_cache
+    except that the cache is stored on each instance, so values in one
+    instance will not flush values from another, and when an instance is
+    deleted, so are the cached values for that instance.
+
+    >>> b = MyClass()
+    >>> for x in range(35):
+    ...     res = b.method(x)
+    >>> b.calls
+    35
+    >>> a.method(0)
+    0
+    >>> a.calls
+    75
+
+    Note that if method had been decorated with ``functools.lru_cache()``,
+    a.calls would have been 76 (due to the cached value of 0 having been
+    flushed by the 'b' instance).
+
+    Clear the cache with ``.cache_clear()``
+
+    >>> a.method.cache_clear()
+
+    Same for a method that hasn't yet been called.
+
+    >>> c = MyClass()
+    >>> c.method.cache_clear()
+
+    Another cache wrapper may be supplied:
+
+    >>> cache = functools.lru_cache(maxsize=2)
+    >>> MyClass.method2 = method_cache(lambda self: 3, cache_wrapper=cache)
+    >>> a = MyClass()
+    >>> a.method2()
+    3
+
+    Caution - do not subsequently wrap the method with another decorator, such
+    as ``@property``, which changes the semantics of the function.
+
+    See also
+    http://code.activestate.com/recipes/577452-a-memoize-decorator-for-instance-methods/
+    for another implementation and additional justification.
+    """
+    cache_wrapper = cache_wrapper or functools.lru_cache()
+
+    def wrapper(self, *args, **kwargs):
+        # it's the first call, replace the method with a cached, bound method
+        bound_method = types.MethodType(method, self)
+        cached_method = cache_wrapper(bound_method)
+        setattr(self, method.__name__, cached_method)
+        return cached_method(*args, **kwargs)
+
+    # Support cache clear even before cache has been created.
+    wrapper.cache_clear = lambda: None
+
+    return wrapper
+
+
+# From jaraco.functools 3.3
+def pass_none(func):
+    """
+    Wrap func so it's not called if its first param is None
+
+    >>> print_text = pass_none(print)
+    >>> print_text('text')
+    text
+    >>> print_text(None)
+    """
+
+    @functools.wraps(func)
+    def wrapper(param, *args, **kwargs):
+        if param is not None:
+            return func(param, *args, **kwargs)
+
+    return wrapper
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_itertools.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_itertools.py
new file mode 100644
index 00000000..d4ca9b91
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_itertools.py
@@ -0,0 +1,73 @@
+from itertools import filterfalse
+
+
+def unique_everseen(iterable, key=None):
+    "List unique elements, preserving order. Remember all elements ever seen."
+    # unique_everseen('AAAABBBCCDAABBB') --> A B C D
+    # unique_everseen('ABBCcAD', str.lower) --> A B C D
+    seen = set()
+    seen_add = seen.add
+    if key is None:
+        for element in filterfalse(seen.__contains__, iterable):
+            seen_add(element)
+            yield element
+    else:
+        for element in iterable:
+            k = key(element)
+            if k not in seen:
+                seen_add(k)
+                yield element
+
+
+# copied from more_itertools 8.8
+def always_iterable(obj, base_type=(str, bytes)):
+    """If *obj* is iterable, return an iterator over its items::
+
+        >>> obj = (1, 2, 3)
+        >>> list(always_iterable(obj))
+        [1, 2, 3]
+
+    If *obj* is not iterable, return a one-item iterable containing *obj*::
+
+        >>> obj = 1
+        >>> list(always_iterable(obj))
+        [1]
+
+    If *obj* is ``None``, return an empty iterable:
+
+        >>> obj = None
+        >>> list(always_iterable(None))
+        []
+
+    By default, binary and text strings are not considered iterable::
+
+        >>> obj = 'foo'
+        >>> list(always_iterable(obj))
+        ['foo']
+
+    If *base_type* is set, objects for which ``isinstance(obj, base_type)``
+    returns ``True`` won't be considered iterable.
+
+        >>> obj = {'a': 1}
+        >>> list(always_iterable(obj))  # Iterate over the dict's keys
+        ['a']
+        >>> list(always_iterable(obj, base_type=dict))  # Treat dicts as a unit
+        [{'a': 1}]
+
+    Set *base_type* to ``None`` to avoid any special handling and treat objects
+    Python considers iterable as iterable:
+
+        >>> obj = 'foo'
+        >>> list(always_iterable(obj, base_type=None))
+        ['f', 'o', 'o']
+    """
+    if obj is None:
+        return iter(())
+
+    if (base_type is not None) and isinstance(obj, base_type):
+        return iter((obj,))
+
+    try:
+        return iter(obj)
+    except TypeError:
+        return iter((obj,))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_meta.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_meta.py
new file mode 100644
index 00000000..37ee43e6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_meta.py
@@ -0,0 +1,48 @@
+from ._compat import Protocol
+from typing import Any, Dict, Iterator, List, TypeVar, Union
+
+
+_T = TypeVar("_T")
+
+
+class PackageMetadata(Protocol):
+    def __len__(self) -> int:
+        ...  # pragma: no cover
+
+    def __contains__(self, item: str) -> bool:
+        ...  # pragma: no cover
+
+    def __getitem__(self, key: str) -> str:
+        ...  # pragma: no cover
+
+    def __iter__(self) -> Iterator[str]:
+        ...  # pragma: no cover
+
+    def get_all(self, name: str, failobj: _T = ...) -> Union[List[Any], _T]:
+        """
+        Return all values associated with a possibly multi-valued key.
+        """
+
+    @property
+    def json(self) -> Dict[str, Union[str, List[str]]]:
+        """
+        A JSON-compatible form of the metadata.
+        """
+
+
+class SimplePath(Protocol):
+    """
+    A minimal subset of pathlib.Path required by PathDistribution.
+    """
+
+    def joinpath(self) -> 'SimplePath':
+        ...  # pragma: no cover
+
+    def __truediv__(self) -> 'SimplePath':
+        ...  # pragma: no cover
+
+    def parent(self) -> 'SimplePath':
+        ...  # pragma: no cover
+
+    def read_text(self) -> str:
+        ...  # pragma: no cover
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_text.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_text.py
new file mode 100644
index 00000000..c88cfbb2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_metadata/_text.py
@@ -0,0 +1,99 @@
+import re
+
+from ._functools import method_cache
+
+
+# from jaraco.text 3.5
+class FoldedCase(str):
+    """
+    A case insensitive string class; behaves just like str
+    except compares equal when the only variation is case.
+
+    >>> s = FoldedCase('hello world')
+
+    >>> s == 'Hello World'
+    True
+
+    >>> 'Hello World' == s
+    True
+
+    >>> s != 'Hello World'
+    False
+
+    >>> s.index('O')
+    4
+
+    >>> s.split('O')
+    ['hell', ' w', 'rld']
+
+    >>> sorted(map(FoldedCase, ['GAMMA', 'alpha', 'Beta']))
+    ['alpha', 'Beta', 'GAMMA']
+
+    Sequence membership is straightforward.
+
+    >>> "Hello World" in [s]
+    True
+    >>> s in ["Hello World"]
+    True
+
+    You may test for set inclusion, but candidate and elements
+    must both be folded.
+
+    >>> FoldedCase("Hello World") in {s}
+    True
+    >>> s in {FoldedCase("Hello World")}
+    True
+
+    String inclusion works as long as the FoldedCase object
+    is on the right.
+
+    >>> "hello" in FoldedCase("Hello World")
+    True
+
+    But not if the FoldedCase object is on the left:
+
+    >>> FoldedCase('hello') in 'Hello World'
+    False
+
+    In that case, use in_:
+
+    >>> FoldedCase('hello').in_('Hello World')
+    True
+
+    >>> FoldedCase('hello') > FoldedCase('Hello')
+    False
+    """
+
+    def __lt__(self, other):
+        return self.lower() < other.lower()
+
+    def __gt__(self, other):
+        return self.lower() > other.lower()
+
+    def __eq__(self, other):
+        return self.lower() == other.lower()
+
+    def __ne__(self, other):
+        return self.lower() != other.lower()
+
+    def __hash__(self):
+        return hash(self.lower())
+
+    def __contains__(self, other):
+        return super().lower().__contains__(other.lower())
+
+    def in_(self, other):
+        "Does self appear in other?"
+        return self in FoldedCase(other)
+
+    # cache lower since it's likely to be called frequently.
+    @method_cache
+    def lower(self):
+        return super().lower()
+
+    def index(self, sub):
+        return self.lower().index(sub.lower())
+
+    def split(self, splitter=' ', maxsplit=0):
+        pattern = re.compile(re.escape(splitter), re.I)
+        return pattern.split(self, maxsplit)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/__init__.py
new file mode 100644
index 00000000..34e3a995
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/__init__.py
@@ -0,0 +1,36 @@
+"""Read resources contained within a package."""
+
+from ._common import (
+    as_file,
+    files,
+    Package,
+)
+
+from ._legacy import (
+    contents,
+    open_binary,
+    read_binary,
+    open_text,
+    read_text,
+    is_resource,
+    path,
+    Resource,
+)
+
+from .abc import ResourceReader
+
+
+__all__ = [
+    'Package',
+    'Resource',
+    'ResourceReader',
+    'as_file',
+    'contents',
+    'files',
+    'is_resource',
+    'open_binary',
+    'open_text',
+    'path',
+    'read_binary',
+    'read_text',
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_adapters.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_adapters.py
new file mode 100644
index 00000000..ea363d86
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_adapters.py
@@ -0,0 +1,170 @@
+from contextlib import suppress
+from io import TextIOWrapper
+
+from . import abc
+
+
+class SpecLoaderAdapter:
+    """
+    Adapt a package spec to adapt the underlying loader.
+    """
+
+    def __init__(self, spec, adapter=lambda spec: spec.loader):
+        self.spec = spec
+        self.loader = adapter(spec)
+
+    def __getattr__(self, name):
+        return getattr(self.spec, name)
+
+
+class TraversableResourcesLoader:
+    """
+    Adapt a loader to provide TraversableResources.
+    """
+
+    def __init__(self, spec):
+        self.spec = spec
+
+    def get_resource_reader(self, name):
+        return CompatibilityFiles(self.spec)._native()
+
+
+def _io_wrapper(file, mode='r', *args, **kwargs):
+    if mode == 'r':
+        return TextIOWrapper(file, *args, **kwargs)
+    elif mode == 'rb':
+        return file
+    raise ValueError(
+        "Invalid mode value '{}', only 'r' and 'rb' are supported".format(mode)
+    )
+
+
+class CompatibilityFiles:
+    """
+    Adapter for an existing or non-existent resource reader
+    to provide a compatibility .files().
+    """
+
+    class SpecPath(abc.Traversable):
+        """
+        Path tied to a module spec.
+        Can be read and exposes the resource reader children.
+        """
+
+        def __init__(self, spec, reader):
+            self._spec = spec
+            self._reader = reader
+
+        def iterdir(self):
+            if not self._reader:
+                return iter(())
+            return iter(
+                CompatibilityFiles.ChildPath(self._reader, path)
+                for path in self._reader.contents()
+            )
+
+        def is_file(self):
+            return False
+
+        is_dir = is_file
+
+        def joinpath(self, other):
+            if not self._reader:
+                return CompatibilityFiles.OrphanPath(other)
+            return CompatibilityFiles.ChildPath(self._reader, other)
+
+        @property
+        def name(self):
+            return self._spec.name
+
+        def open(self, mode='r', *args, **kwargs):
+            return _io_wrapper(self._reader.open_resource(None), mode, *args, **kwargs)
+
+    class ChildPath(abc.Traversable):
+        """
+        Path tied to a resource reader child.
+        Can be read but doesn't expose any meaningful children.
+        """
+
+        def __init__(self, reader, name):
+            self._reader = reader
+            self._name = name
+
+        def iterdir(self):
+            return iter(())
+
+        def is_file(self):
+            return self._reader.is_resource(self.name)
+
+        def is_dir(self):
+            return not self.is_file()
+
+        def joinpath(self, other):
+            return CompatibilityFiles.OrphanPath(self.name, other)
+
+        @property
+        def name(self):
+            return self._name
+
+        def open(self, mode='r', *args, **kwargs):
+            return _io_wrapper(
+                self._reader.open_resource(self.name), mode, *args, **kwargs
+            )
+
+    class OrphanPath(abc.Traversable):
+        """
+        Orphan path, not tied to a module spec or resource reader.
+        Can't be read and doesn't expose any meaningful children.
+        """
+
+        def __init__(self, *path_parts):
+            if len(path_parts) < 1:
+                raise ValueError('Need at least one path part to construct a path')
+            self._path = path_parts
+
+        def iterdir(self):
+            return iter(())
+
+        def is_file(self):
+            return False
+
+        is_dir = is_file
+
+        def joinpath(self, other):
+            return CompatibilityFiles.OrphanPath(*self._path, other)
+
+        @property
+        def name(self):
+            return self._path[-1]
+
+        def open(self, mode='r', *args, **kwargs):
+            raise FileNotFoundError("Can't open orphan path")
+
+    def __init__(self, spec):
+        self.spec = spec
+
+    @property
+    def _reader(self):
+        with suppress(AttributeError):
+            return self.spec.loader.get_resource_reader(self.spec.name)
+
+    def _native(self):
+        """
+        Return the native reader if it supports files().
+        """
+        reader = self._reader
+        return reader if hasattr(reader, 'files') else self
+
+    def __getattr__(self, attr):
+        return getattr(self._reader, attr)
+
+    def files(self):
+        return CompatibilityFiles.SpecPath(self.spec, self._reader)
+
+
+def wrap_spec(package):
+    """
+    Construct a package spec with traversable compatibility
+    on the spec/loader/reader.
+    """
+    return SpecLoaderAdapter(package.__spec__, TraversableResourcesLoader)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_common.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_common.py
new file mode 100644
index 00000000..a12e2c75
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_common.py
@@ -0,0 +1,104 @@
+import os
+import pathlib
+import tempfile
+import functools
+import contextlib
+import types
+import importlib
+
+from typing import Union, Optional
+from .abc import ResourceReader, Traversable
+
+from ._compat import wrap_spec
+
+Package = Union[types.ModuleType, str]
+
+
+def files(package):
+    # type: (Package) -> Traversable
+    """
+    Get a Traversable resource from a package
+    """
+    return from_package(get_package(package))
+
+
+def get_resource_reader(package):
+    # type: (types.ModuleType) -> Optional[ResourceReader]
+    """
+    Return the package's loader if it's a ResourceReader.
+    """
+    # We can't use
+    # a issubclass() check here because apparently abc.'s __subclasscheck__()
+    # hook wants to create a weak reference to the object, but
+    # zipimport.zipimporter does not support weak references, resulting in a
+    # TypeError.  That seems terrible.
+    spec = package.__spec__
+    reader = getattr(spec.loader, 'get_resource_reader', None)  # type: ignore
+    if reader is None:
+        return None
+    return reader(spec.name)  # type: ignore
+
+
+def resolve(cand):
+    # type: (Package) -> types.ModuleType
+    return cand if isinstance(cand, types.ModuleType) else importlib.import_module(cand)
+
+
+def get_package(package):
+    # type: (Package) -> types.ModuleType
+    """Take a package name or module object and return the module.
+
+    Raise an exception if the resolved module is not a package.
+    """
+    resolved = resolve(package)
+    if wrap_spec(resolved).submodule_search_locations is None:
+        raise TypeError(f'{package!r} is not a package')
+    return resolved
+
+
+def from_package(package):
+    """
+    Return a Traversable object for the given package.
+
+    """
+    spec = wrap_spec(package)
+    reader = spec.loader.get_resource_reader(spec.name)
+    return reader.files()
+
+
+@contextlib.contextmanager
+def _tempfile(reader, suffix=''):
+    # Not using tempfile.NamedTemporaryFile as it leads to deeper 'try'
+    # blocks due to the need to close the temporary file to work on Windows
+    # properly.
+    fd, raw_path = tempfile.mkstemp(suffix=suffix)
+    try:
+        try:
+            os.write(fd, reader())
+        finally:
+            os.close(fd)
+        del reader
+        yield pathlib.Path(raw_path)
+    finally:
+        try:
+            os.remove(raw_path)
+        except FileNotFoundError:
+            pass
+
+
+@functools.singledispatch
+def as_file(path):
+    """
+    Given a Traversable object, return that object as a
+    path on the local file system in a context manager.
+    """
+    return _tempfile(path.read_bytes, suffix=path.name)
+
+
+@as_file.register(pathlib.Path)
+@contextlib.contextmanager
+def _(path):
+    """
+    Degenerate behavior for pathlib.Path objects.
+    """
+    yield path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_compat.py
new file mode 100644
index 00000000..cb9fc820
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_compat.py
@@ -0,0 +1,98 @@
+# flake8: noqa
+
+import abc
+import sys
+import pathlib
+from contextlib import suppress
+
+if sys.version_info >= (3, 10):
+    from zipfile import Path as ZipPath  # type: ignore
+else:
+    from ..zipp import Path as ZipPath  # type: ignore
+
+
+try:
+    from typing import runtime_checkable  # type: ignore
+except ImportError:
+
+    def runtime_checkable(cls):  # type: ignore
+        return cls
+
+
+try:
+    from typing import Protocol  # type: ignore
+except ImportError:
+    Protocol = abc.ABC  # type: ignore
+
+
+class TraversableResourcesLoader:
+    """
+    Adapt loaders to provide TraversableResources and other
+    compatibility.
+
+    Used primarily for Python 3.9 and earlier where the native
+    loaders do not yet implement TraversableResources.
+    """
+
+    def __init__(self, spec):
+        self.spec = spec
+
+    @property
+    def path(self):
+        return self.spec.origin
+
+    def get_resource_reader(self, name):
+        from . import readers, _adapters
+
+        def _zip_reader(spec):
+            with suppress(AttributeError):
+                return readers.ZipReader(spec.loader, spec.name)
+
+        def _namespace_reader(spec):
+            with suppress(AttributeError, ValueError):
+                return readers.NamespaceReader(spec.submodule_search_locations)
+
+        def _available_reader(spec):
+            with suppress(AttributeError):
+                return spec.loader.get_resource_reader(spec.name)
+
+        def _native_reader(spec):
+            reader = _available_reader(spec)
+            return reader if hasattr(reader, 'files') else None
+
+        def _file_reader(spec):
+            try:
+                path = pathlib.Path(self.path)
+            except TypeError:
+                return None
+            if path.exists():
+                return readers.FileReader(self)
+
+        return (
+            # native reader if it supplies 'files'
+            _native_reader(self.spec)
+            or
+            # local ZipReader if a zip module
+            _zip_reader(self.spec)
+            or
+            # local NamespaceReader if a namespace module
+            _namespace_reader(self.spec)
+            or
+            # local FileReader
+            _file_reader(self.spec)
+            # fallback - adapt the spec ResourceReader to TraversableReader
+            or _adapters.CompatibilityFiles(self.spec)
+        )
+
+
+def wrap_spec(package):
+    """
+    Construct a package spec with traversable compatibility
+    on the spec/loader/reader.
+
+    Supersedes _adapters.wrap_spec to use TraversableResourcesLoader
+    from above for older Python compatibility (<3.10).
+    """
+    from . import _adapters
+
+    return _adapters.SpecLoaderAdapter(package.__spec__, TraversableResourcesLoader)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_itertools.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_itertools.py
new file mode 100644
index 00000000..cce05582
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_itertools.py
@@ -0,0 +1,35 @@
+from itertools import filterfalse
+
+from typing import (
+    Callable,
+    Iterable,
+    Iterator,
+    Optional,
+    Set,
+    TypeVar,
+    Union,
+)
+
+# Type and type variable definitions
+_T = TypeVar('_T')
+_U = TypeVar('_U')
+
+
+def unique_everseen(
+    iterable: Iterable[_T], key: Optional[Callable[[_T], _U]] = None
+) -> Iterator[_T]:
+    "List unique elements, preserving order. Remember all elements ever seen."
+    # unique_everseen('AAAABBBCCDAABBB') --> A B C D
+    # unique_everseen('ABBCcAD', str.lower) --> A B C D
+    seen: Set[Union[_T, _U]] = set()
+    seen_add = seen.add
+    if key is None:
+        for element in filterfalse(seen.__contains__, iterable):
+            seen_add(element)
+            yield element
+    else:
+        for element in iterable:
+            k = key(element)
+            if k not in seen:
+                seen_add(k)
+                yield element
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_legacy.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_legacy.py
new file mode 100644
index 00000000..1d5d3f1f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/_legacy.py
@@ -0,0 +1,121 @@
+import functools
+import os
+import pathlib
+import types
+import warnings
+
+from typing import Union, Iterable, ContextManager, BinaryIO, TextIO, Any
+
+from . import _common
+
+Package = Union[types.ModuleType, str]
+Resource = str
+
+
+def deprecated(func):
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        warnings.warn(
+            f"{func.__name__} is deprecated. Use files() instead. "
+            "Refer to https://importlib-resources.readthedocs.io"
+            "/en/latest/using.html#migrating-from-legacy for migration advice.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return func(*args, **kwargs)
+
+    return wrapper
+
+
+def normalize_path(path):
+    # type: (Any) -> str
+    """Normalize a path by ensuring it is a string.
+
+    If the resulting string contains path separators, an exception is raised.
+    """
+    str_path = str(path)
+    parent, file_name = os.path.split(str_path)
+    if parent:
+        raise ValueError(f'{path!r} must be only a file name')
+    return file_name
+
+
+@deprecated
+def open_binary(package: Package, resource: Resource) -> BinaryIO:
+    """Return a file-like object opened for binary reading of the resource."""
+    return (_common.files(package) / normalize_path(resource)).open('rb')
+
+
+@deprecated
+def read_binary(package: Package, resource: Resource) -> bytes:
+    """Return the binary contents of the resource."""
+    return (_common.files(package) / normalize_path(resource)).read_bytes()
+
+
+@deprecated
+def open_text(
+    package: Package,
+    resource: Resource,
+    encoding: str = 'utf-8',
+    errors: str = 'strict',
+) -> TextIO:
+    """Return a file-like object opened for text reading of the resource."""
+    return (_common.files(package) / normalize_path(resource)).open(
+        'r', encoding=encoding, errors=errors
+    )
+
+
+@deprecated
+def read_text(
+    package: Package,
+    resource: Resource,
+    encoding: str = 'utf-8',
+    errors: str = 'strict',
+) -> str:
+    """Return the decoded string of the resource.
+
+    The decoding-related arguments have the same semantics as those of
+    bytes.decode().
+    """
+    with open_text(package, resource, encoding, errors) as fp:
+        return fp.read()
+
+
+@deprecated
+def contents(package: Package) -> Iterable[str]:
+    """Return an iterable of entries in `package`.
+
+    Note that not all entries are resources.  Specifically, directories are
+    not considered resources.  Use `is_resource()` on each entry returned here
+    to check if it is a resource or not.
+    """
+    return [path.name for path in _common.files(package).iterdir()]
+
+
+@deprecated
+def is_resource(package: Package, name: str) -> bool:
+    """True if `name` is a resource inside `package`.
+
+    Directories are *not* resources.
+    """
+    resource = normalize_path(name)
+    return any(
+        traversable.name == resource and traversable.is_file()
+        for traversable in _common.files(package).iterdir()
+    )
+
+
+@deprecated
+def path(
+    package: Package,
+    resource: Resource,
+) -> ContextManager[pathlib.Path]:
+    """A context manager providing a file path object to the resource.
+
+    If the resource does not already exist on its own on the file system,
+    a temporary file will be created. If the file was created, the file
+    will be deleted upon exiting the context manager (no exception is
+    raised if the file was deleted prior to the context manager
+    exiting).
+    """
+    return _common.as_file(_common.files(package) / normalize_path(resource))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/abc.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/abc.py
new file mode 100644
index 00000000..d39dc1ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/abc.py
@@ -0,0 +1,137 @@
+import abc
+from typing import BinaryIO, Iterable, Text
+
+from ._compat import runtime_checkable, Protocol
+
+
+class ResourceReader(metaclass=abc.ABCMeta):
+    """Abstract base class for loaders to provide resource reading support."""
+
+    @abc.abstractmethod
+    def open_resource(self, resource: Text) -> BinaryIO:
+        """Return an opened, file-like object for binary reading.
+
+        The 'resource' argument is expected to represent only a file name.
+        If the resource cannot be found, FileNotFoundError is raised.
+        """
+        # This deliberately raises FileNotFoundError instead of
+        # NotImplementedError so that if this method is accidentally called,
+        # it'll still do the right thing.
+        raise FileNotFoundError
+
+    @abc.abstractmethod
+    def resource_path(self, resource: Text) -> Text:
+        """Return the file system path to the specified resource.
+
+        The 'resource' argument is expected to represent only a file name.
+        If the resource does not exist on the file system, raise
+        FileNotFoundError.
+        """
+        # This deliberately raises FileNotFoundError instead of
+        # NotImplementedError so that if this method is accidentally called,
+        # it'll still do the right thing.
+        raise FileNotFoundError
+
+    @abc.abstractmethod
+    def is_resource(self, path: Text) -> bool:
+        """Return True if the named 'path' is a resource.
+
+        Files are resources, directories are not.
+        """
+        raise FileNotFoundError
+
+    @abc.abstractmethod
+    def contents(self) -> Iterable[str]:
+        """Return an iterable of entries in `package`."""
+        raise FileNotFoundError
+
+
+@runtime_checkable
+class Traversable(Protocol):
+    """
+    An object with a subset of pathlib.Path methods suitable for
+    traversing directories and opening files.
+    """
+
+    @abc.abstractmethod
+    def iterdir(self):
+        """
+        Yield Traversable objects in self
+        """
+
+    def read_bytes(self):
+        """
+        Read contents of self as bytes
+        """
+        with self.open('rb') as strm:
+            return strm.read()
+
+    def read_text(self, encoding=None):
+        """
+        Read contents of self as text
+        """
+        with self.open(encoding=encoding) as strm:
+            return strm.read()
+
+    @abc.abstractmethod
+    def is_dir(self) -> bool:
+        """
+        Return True if self is a directory
+        """
+
+    @abc.abstractmethod
+    def is_file(self) -> bool:
+        """
+        Return True if self is a file
+        """
+
+    @abc.abstractmethod
+    def joinpath(self, child):
+        """
+        Return Traversable child in self
+        """
+
+    def __truediv__(self, child):
+        """
+        Return Traversable child in self
+        """
+        return self.joinpath(child)
+
+    @abc.abstractmethod
+    def open(self, mode='r', *args, **kwargs):
+        """
+        mode may be 'r' or 'rb' to open as text or binary. Return a handle
+        suitable for reading (same as pathlib.Path.open).
+
+        When opening as text, accepts encoding parameters such as those
+        accepted by io.TextIOWrapper.
+        """
+
+    @abc.abstractproperty
+    def name(self) -> str:
+        """
+        The base name of this object without any parent references.
+        """
+
+
+class TraversableResources(ResourceReader):
+    """
+    The required interface for providing traversable
+    resources.
+    """
+
+    @abc.abstractmethod
+    def files(self):
+        """Return a Traversable object for the loaded package."""
+
+    def open_resource(self, resource):
+        return self.files().joinpath(resource).open('rb')
+
+    def resource_path(self, resource):
+        raise FileNotFoundError(resource)
+
+    def is_resource(self, path):
+        return self.files().joinpath(path).is_file()
+
+    def contents(self):
+        return (item.name for item in self.files().iterdir())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/readers.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/readers.py
new file mode 100644
index 00000000..f1190ca4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/readers.py
@@ -0,0 +1,122 @@
+import collections
+import pathlib
+import operator
+
+from . import abc
+
+from ._itertools import unique_everseen
+from ._compat import ZipPath
+
+
+def remove_duplicates(items):
+    return iter(collections.OrderedDict.fromkeys(items))
+
+
+class FileReader(abc.TraversableResources):
+    def __init__(self, loader):
+        self.path = pathlib.Path(loader.path).parent
+
+    def resource_path(self, resource):
+        """
+        Return the file system path to prevent
+        `resources.path()` from creating a temporary
+        copy.
+        """
+        return str(self.path.joinpath(resource))
+
+    def files(self):
+        return self.path
+
+
+class ZipReader(abc.TraversableResources):
+    def __init__(self, loader, module):
+        _, _, name = module.rpartition('.')
+        self.prefix = loader.prefix.replace('\\', '/') + name + '/'
+        self.archive = loader.archive
+
+    def open_resource(self, resource):
+        try:
+            return super().open_resource(resource)
+        except KeyError as exc:
+            raise FileNotFoundError(exc.args[0])
+
+    def is_resource(self, path):
+        # workaround for `zipfile.Path.is_file` returning true
+        # for non-existent paths.
+        target = self.files().joinpath(path)
+        return target.is_file() and target.exists()
+
+    def files(self):
+        return ZipPath(self.archive, self.prefix)
+
+
+class MultiplexedPath(abc.Traversable):
+    """
+    Given a series of Traversable objects, implement a merged
+    version of the interface across all objects. Useful for
+    namespace packages which may be multihomed at a single
+    name.
+    """
+
+    def __init__(self, *paths):
+        self._paths = list(map(pathlib.Path, remove_duplicates(paths)))
+        if not self._paths:
+            message = 'MultiplexedPath must contain at least one path'
+            raise FileNotFoundError(message)
+        if not all(path.is_dir() for path in self._paths):
+            raise NotADirectoryError('MultiplexedPath only supports directories')
+
+    def iterdir(self):
+        files = (file for path in self._paths for file in path.iterdir())
+        return unique_everseen(files, key=operator.attrgetter('name'))
+
+    def read_bytes(self):
+        raise FileNotFoundError(f'{self} is not a file')
+
+    def read_text(self, *args, **kwargs):
+        raise FileNotFoundError(f'{self} is not a file')
+
+    def is_dir(self):
+        return True
+
+    def is_file(self):
+        return False
+
+    def joinpath(self, child):
+        # first try to find child in current paths
+        for file in self.iterdir():
+            if file.name == child:
+                return file
+        # if it does not exist, construct it with the first path
+        return self._paths[0] / child
+
+    __truediv__ = joinpath
+
+    def open(self, *args, **kwargs):
+        raise FileNotFoundError(f'{self} is not a file')
+
+    @property
+    def name(self):
+        return self._paths[0].name
+
+    def __repr__(self):
+        paths = ', '.join(f"'{path}'" for path in self._paths)
+        return f'MultiplexedPath({paths})'
+
+
+class NamespaceReader(abc.TraversableResources):
+    def __init__(self, namespace_path):
+        if 'NamespacePath' not in str(namespace_path):
+            raise ValueError('Invalid path')
+        self.path = MultiplexedPath(*list(namespace_path))
+
+    def resource_path(self, resource):
+        """
+        Return the file system path to prevent
+        `resources.path()` from creating a temporary
+        copy.
+        """
+        return str(self.path.joinpath(resource))
+
+    def files(self):
+        return self.path
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/simple.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/simple.py
new file mode 100644
index 00000000..da073cbd
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/importlib_resources/simple.py
@@ -0,0 +1,116 @@
+"""
+Interface adapters for low-level readers.
+"""
+
+import abc
+import io
+import itertools
+from typing import BinaryIO, List
+
+from .abc import Traversable, TraversableResources
+
+
+class SimpleReader(abc.ABC):
+    """
+    The minimum, low-level interface required from a resource
+    provider.
+    """
+
+    @abc.abstractproperty
+    def package(self):
+        # type: () -> str
+        """
+        The name of the package for which this reader loads resources.
+        """
+
+    @abc.abstractmethod
+    def children(self):
+        # type: () -> List['SimpleReader']
+        """
+        Obtain an iterable of SimpleReader for available
+        child containers (e.g. directories).
+        """
+
+    @abc.abstractmethod
+    def resources(self):
+        # type: () -> List[str]
+        """
+        Obtain available named resources for this virtual package.
+        """
+
+    @abc.abstractmethod
+    def open_binary(self, resource):
+        # type: (str) -> BinaryIO
+        """
+        Obtain a File-like for a named resource.
+        """
+
+    @property
+    def name(self):
+        return self.package.split('.')[-1]
+
+
+class ResourceHandle(Traversable):
+    """
+    Handle to a named resource in a ResourceReader.
+    """
+
+    def __init__(self, parent, name):
+        # type: (ResourceContainer, str) -> None
+        self.parent = parent
+        self.name = name  # type: ignore
+
+    def is_file(self):
+        return True
+
+    def is_dir(self):
+        return False
+
+    def open(self, mode='r', *args, **kwargs):
+        stream = self.parent.reader.open_binary(self.name)
+        if 'b' not in mode:
+            stream = io.TextIOWrapper(*args, **kwargs)
+        return stream
+
+    def joinpath(self, name):
+        raise RuntimeError("Cannot traverse into a resource")
+
+
+class ResourceContainer(Traversable):
+    """
+    Traversable container for a package's resources via its reader.
+    """
+
+    def __init__(self, reader):
+        # type: (SimpleReader) -> None
+        self.reader = reader
+
+    def is_dir(self):
+        return True
+
+    def is_file(self):
+        return False
+
+    def iterdir(self):
+        files = (ResourceHandle(self, name) for name in self.reader.resources)
+        dirs = map(ResourceContainer, self.reader.children())
+        return itertools.chain(files, dirs)
+
+    def open(self, *args, **kwargs):
+        raise IsADirectoryError()
+
+    def joinpath(self, name):
+        return next(
+            traversable for traversable in self.iterdir() if traversable.name == name
+        )
+
+
+class TraversableReader(TraversableResources, SimpleReader):
+    """
+    A TraversableResources based on SimpleReader. Resource providers
+    may derive from this class to provide the TraversableResources
+    interface by supplying the SimpleReader interface.
+    """
+
+    def files(self):
+        return ResourceContainer(self)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/__init__.py
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/__pycache__/functools.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/__pycache__/functools.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/context.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/context.py
new file mode 100644
index 00000000..87a4e3dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/context.py
@@ -0,0 +1,213 @@
+import os
+import subprocess
+import contextlib
+import functools
+import tempfile
+import shutil
+import operator
+
+
+@contextlib.contextmanager
+def pushd(dir):
+    orig = os.getcwd()
+    os.chdir(dir)
+    try:
+        yield dir
+    finally:
+        os.chdir(orig)
+
+
+@contextlib.contextmanager
+def tarball_context(url, target_dir=None, runner=None, pushd=pushd):
+    """
+    Get a tarball, extract it, change to that directory, yield, then
+    clean up.
+    `runner` is the function to invoke commands.
+    `pushd` is a context manager for changing the directory.
+    """
+    if target_dir is None:
+        target_dir = os.path.basename(url).replace('.tar.gz', '').replace('.tgz', '')
+    if runner is None:
+        runner = functools.partial(subprocess.check_call, shell=True)
+    # In the tar command, use --strip-components=1 to strip the first path and
+    #  then
+    #  use -C to cause the files to be extracted to {target_dir}. This ensures
+    #  that we always know where the files were extracted.
+    runner('mkdir {target_dir}'.format(**vars()))
+    try:
+        getter = 'wget {url} -O -'
+        extract = 'tar x{compression} --strip-components=1 -C {target_dir}'
+        cmd = ' | '.join((getter, extract))
+        runner(cmd.format(compression=infer_compression(url), **vars()))
+        with pushd(target_dir):
+            yield target_dir
+    finally:
+        runner('rm -Rf {target_dir}'.format(**vars()))
+
+
+def infer_compression(url):
+    """
+    Given a URL or filename, infer the compression code for tar.
+    """
+    # cheat and just assume it's the last two characters
+    compression_indicator = url[-2:]
+    mapping = dict(gz='z', bz='j', xz='J')
+    # Assume 'z' (gzip) if no match
+    return mapping.get(compression_indicator, 'z')
+
+
+@contextlib.contextmanager
+def temp_dir(remover=shutil.rmtree):
+    """
+    Create a temporary directory context. Pass a custom remover
+    to override the removal behavior.
+    """
+    temp_dir = tempfile.mkdtemp()
+    try:
+        yield temp_dir
+    finally:
+        remover(temp_dir)
+
+
+@contextlib.contextmanager
+def repo_context(url, branch=None, quiet=True, dest_ctx=temp_dir):
+    """
+    Check out the repo indicated by url.
+
+    If dest_ctx is supplied, it should be a context manager
+    to yield the target directory for the check out.
+    """
+    exe = 'git' if 'git' in url else 'hg'
+    with dest_ctx() as repo_dir:
+        cmd = [exe, 'clone', url, repo_dir]
+        if branch:
+            cmd.extend(['--branch', branch])
+        devnull = open(os.path.devnull, 'w')
+        stdout = devnull if quiet else None
+        subprocess.check_call(cmd, stdout=stdout)
+        yield repo_dir
+
+
+@contextlib.contextmanager
+def null():
+    yield
+
+
+class ExceptionTrap:
+    """
+    A context manager that will catch certain exceptions and provide an
+    indication they occurred.
+
+    >>> with ExceptionTrap() as trap:
+    ...     raise Exception()
+    >>> bool(trap)
+    True
+
+    >>> with ExceptionTrap() as trap:
+    ...     pass
+    >>> bool(trap)
+    False
+
+    >>> with ExceptionTrap(ValueError) as trap:
+    ...     raise ValueError("1 + 1 is not 3")
+    >>> bool(trap)
+    True
+
+    >>> with ExceptionTrap(ValueError) as trap:
+    ...     raise Exception()
+    Traceback (most recent call last):
+    ...
+    Exception
+
+    >>> bool(trap)
+    False
+    """
+
+    exc_info = None, None, None
+
+    def __init__(self, exceptions=(Exception,)):
+        self.exceptions = exceptions
+
+    def __enter__(self):
+        return self
+
+    @property
+    def type(self):
+        return self.exc_info[0]
+
+    @property
+    def value(self):
+        return self.exc_info[1]
+
+    @property
+    def tb(self):
+        return self.exc_info[2]
+
+    def __exit__(self, *exc_info):
+        type = exc_info[0]
+        matches = type and issubclass(type, self.exceptions)
+        if matches:
+            self.exc_info = exc_info
+        return matches
+
+    def __bool__(self):
+        return bool(self.type)
+
+    def raises(self, func, *, _test=bool):
+        """
+        Wrap func and replace the result with the truth
+        value of the trap (True if an exception occurred).
+
+        First, give the decorator an alias to support Python 3.8
+        Syntax.
+
+        >>> raises = ExceptionTrap(ValueError).raises
+
+        Now decorate a function that always fails.
+
+        >>> @raises
+        ... def fail():
+        ...     raise ValueError('failed')
+        >>> fail()
+        True
+        """
+
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            with ExceptionTrap(self.exceptions) as trap:
+                func(*args, **kwargs)
+            return _test(trap)
+
+        return wrapper
+
+    def passes(self, func):
+        """
+        Wrap func and replace the result with the truth
+        value of the trap (True if no exception).
+
+        First, give the decorator an alias to support Python 3.8
+        Syntax.
+
+        >>> passes = ExceptionTrap(ValueError).passes
+
+        Now decorate a function that always fails.
+
+        >>> @passes
+        ... def fail():
+        ...     raise ValueError('failed')
+
+        >>> fail()
+        False
+        """
+        return self.raises(func, _test=operator.not_)
+
+
+class suppress(contextlib.suppress, contextlib.ContextDecorator):
+    """
+    A version of contextlib.suppress with decorator support.
+
+    >>> @suppress(KeyError)
+    ... def key_error():
+    ...     {}['']
+    >>> key_error()
+    """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/functools.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/functools.py
new file mode 100644
index 00000000..bbd8b29f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/functools.py
@@ -0,0 +1,525 @@
+import functools
+import time
+import inspect
+import collections
+import types
+import itertools
+
+import setuptools.extern.more_itertools
+
+from typing import Callable, TypeVar
+
+
+CallableT = TypeVar("CallableT", bound=Callable[..., object])
+
+
+def compose(*funcs):
+    """
+    Compose any number of unary functions into a single unary function.
+
+    >>> import textwrap
+    >>> expected = str.strip(textwrap.dedent(compose.__doc__))
+    >>> strip_and_dedent = compose(str.strip, textwrap.dedent)
+    >>> strip_and_dedent(compose.__doc__) == expected
+    True
+
+    Compose also allows the innermost function to take arbitrary arguments.
+
+    >>> round_three = lambda x: round(x, ndigits=3)
+    >>> f = compose(round_three, int.__truediv__)
+    >>> [f(3*x, x+1) for x in range(1,10)]
+    [1.5, 2.0, 2.25, 2.4, 2.5, 2.571, 2.625, 2.667, 2.7]
+    """
+
+    def compose_two(f1, f2):
+        return lambda *args, **kwargs: f1(f2(*args, **kwargs))
+
+    return functools.reduce(compose_two, funcs)
+
+
+def method_caller(method_name, *args, **kwargs):
+    """
+    Return a function that will call a named method on the
+    target object with optional positional and keyword
+    arguments.
+
+    >>> lower = method_caller('lower')
+    >>> lower('MyString')
+    'mystring'
+    """
+
+    def call_method(target):
+        func = getattr(target, method_name)
+        return func(*args, **kwargs)
+
+    return call_method
+
+
+def once(func):
+    """
+    Decorate func so it's only ever called the first time.
+
+    This decorator can ensure that an expensive or non-idempotent function
+    will not be expensive on subsequent calls and is idempotent.
+
+    >>> add_three = once(lambda a: a+3)
+    >>> add_three(3)
+    6
+    >>> add_three(9)
+    6
+    >>> add_three('12')
+    6
+
+    To reset the stored value, simply clear the property ``saved_result``.
+
+    >>> del add_three.saved_result
+    >>> add_three(9)
+    12
+    >>> add_three(8)
+    12
+
+    Or invoke 'reset()' on it.
+
+    >>> add_three.reset()
+    >>> add_three(-3)
+    0
+    >>> add_three(0)
+    0
+    """
+
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        if not hasattr(wrapper, 'saved_result'):
+            wrapper.saved_result = func(*args, **kwargs)
+        return wrapper.saved_result
+
+    wrapper.reset = lambda: vars(wrapper).__delitem__('saved_result')
+    return wrapper
+
+
+def method_cache(
+    method: CallableT,
+    cache_wrapper: Callable[
+        [CallableT], CallableT
+    ] = functools.lru_cache(),  # type: ignore[assignment]
+) -> CallableT:
+    """
+    Wrap lru_cache to support storing the cache data in the object instances.
+
+    Abstracts the common paradigm where the method explicitly saves an
+    underscore-prefixed protected property on first call and returns that
+    subsequently.
+
+    >>> class MyClass:
+    ...     calls = 0
+    ...
+    ...     @method_cache
+    ...     def method(self, value):
+    ...         self.calls += 1
+    ...         return value
+
+    >>> a = MyClass()
+    >>> a.method(3)
+    3
+    >>> for x in range(75):
+    ...     res = a.method(x)
+    >>> a.calls
+    75
+
+    Note that the apparent behavior will be exactly like that of lru_cache
+    except that the cache is stored on each instance, so values in one
+    instance will not flush values from another, and when an instance is
+    deleted, so are the cached values for that instance.
+
+    >>> b = MyClass()
+    >>> for x in range(35):
+    ...     res = b.method(x)
+    >>> b.calls
+    35
+    >>> a.method(0)
+    0
+    >>> a.calls
+    75
+
+    Note that if method had been decorated with ``functools.lru_cache()``,
+    a.calls would have been 76 (due to the cached value of 0 having been
+    flushed by the 'b' instance).
+
+    Clear the cache with ``.cache_clear()``
+
+    >>> a.method.cache_clear()
+
+    Same for a method that hasn't yet been called.
+
+    >>> c = MyClass()
+    >>> c.method.cache_clear()
+
+    Another cache wrapper may be supplied:
+
+    >>> cache = functools.lru_cache(maxsize=2)
+    >>> MyClass.method2 = method_cache(lambda self: 3, cache_wrapper=cache)
+    >>> a = MyClass()
+    >>> a.method2()
+    3
+
+    Caution - do not subsequently wrap the method with another decorator, such
+    as ``@property``, which changes the semantics of the function.
+
+    See also
+    http://code.activestate.com/recipes/577452-a-memoize-decorator-for-instance-methods/
+    for another implementation and additional justification.
+    """
+
+    def wrapper(self: object, *args: object, **kwargs: object) -> object:
+        # it's the first call, replace the method with a cached, bound method
+        bound_method: CallableT = types.MethodType(  # type: ignore[assignment]
+            method, self
+        )
+        cached_method = cache_wrapper(bound_method)
+        setattr(self, method.__name__, cached_method)
+        return cached_method(*args, **kwargs)
+
+    # Support cache clear even before cache has been created.
+    wrapper.cache_clear = lambda: None  # type: ignore[attr-defined]
+
+    return (  # type: ignore[return-value]
+        _special_method_cache(method, cache_wrapper) or wrapper
+    )
+
+
+def _special_method_cache(method, cache_wrapper):
+    """
+    Because Python treats special methods differently, it's not
+    possible to use instance attributes to implement the cached
+    methods.
+
+    Instead, install the wrapper method under a different name
+    and return a simple proxy to that wrapper.
+
+    https://github.com/jaraco/jaraco.functools/issues/5
+    """
+    name = method.__name__
+    special_names = '__getattr__', '__getitem__'
+    if name not in special_names:
+        return
+
+    wrapper_name = '__cached' + name
+
+    def proxy(self, *args, **kwargs):
+        if wrapper_name not in vars(self):
+            bound = types.MethodType(method, self)
+            cache = cache_wrapper(bound)
+            setattr(self, wrapper_name, cache)
+        else:
+            cache = getattr(self, wrapper_name)
+        return cache(*args, **kwargs)
+
+    return proxy
+
+
+def apply(transform):
+    """
+    Decorate a function with a transform function that is
+    invoked on results returned from the decorated function.
+
+    >>> @apply(reversed)
+    ... def get_numbers(start):
+    ...     "doc for get_numbers"
+    ...     return range(start, start+3)
+    >>> list(get_numbers(4))
+    [6, 5, 4]
+    >>> get_numbers.__doc__
+    'doc for get_numbers'
+    """
+
+    def wrap(func):
+        return functools.wraps(func)(compose(transform, func))
+
+    return wrap
+
+
+def result_invoke(action):
+    r"""
+    Decorate a function with an action function that is
+    invoked on the results returned from the decorated
+    function (for its side-effect), then return the original
+    result.
+
+    >>> @result_invoke(print)
+    ... def add_two(a, b):
+    ...     return a + b
+    >>> x = add_two(2, 3)
+    5
+    >>> x
+    5
+    """
+
+    def wrap(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            result = func(*args, **kwargs)
+            action(result)
+            return result
+
+        return wrapper
+
+    return wrap
+
+
+def call_aside(f, *args, **kwargs):
+    """
+    Call a function for its side effect after initialization.
+
+    >>> @call_aside
+    ... def func(): print("called")
+    called
+    >>> func()
+    called
+
+    Use functools.partial to pass parameters to the initial call
+
+    >>> @functools.partial(call_aside, name='bingo')
+    ... def func(name): print("called with", name)
+    called with bingo
+    """
+    f(*args, **kwargs)
+    return f
+
+
+class Throttler:
+    """
+    Rate-limit a function (or other callable)
+    """
+
+    def __init__(self, func, max_rate=float('Inf')):
+        if isinstance(func, Throttler):
+            func = func.func
+        self.func = func
+        self.max_rate = max_rate
+        self.reset()
+
+    def reset(self):
+        self.last_called = 0
+
+    def __call__(self, *args, **kwargs):
+        self._wait()
+        return self.func(*args, **kwargs)
+
+    def _wait(self):
+        "ensure at least 1/max_rate seconds from last call"
+        elapsed = time.time() - self.last_called
+        must_wait = 1 / self.max_rate - elapsed
+        time.sleep(max(0, must_wait))
+        self.last_called = time.time()
+
+    def __get__(self, obj, type=None):
+        return first_invoke(self._wait, functools.partial(self.func, obj))
+
+
+def first_invoke(func1, func2):
+    """
+    Return a function that when invoked will invoke func1 without
+    any parameters (for its side-effect) and then invoke func2
+    with whatever parameters were passed, returning its result.
+    """
+
+    def wrapper(*args, **kwargs):
+        func1()
+        return func2(*args, **kwargs)
+
+    return wrapper
+
+
+def retry_call(func, cleanup=lambda: None, retries=0, trap=()):
+    """
+    Given a callable func, trap the indicated exceptions
+    for up to 'retries' times, invoking cleanup on the
+    exception. On the final attempt, allow any exceptions
+    to propagate.
+    """
+    attempts = itertools.count() if retries == float('inf') else range(retries)
+    for attempt in attempts:
+        try:
+            return func()
+        except trap:
+            cleanup()
+
+    return func()
+
+
+def retry(*r_args, **r_kwargs):
+    """
+    Decorator wrapper for retry_call. Accepts arguments to retry_call
+    except func and then returns a decorator for the decorated function.
+
+    Ex:
+
+    >>> @retry(retries=3)
+    ... def my_func(a, b):
+    ...     "this is my funk"
+    ...     print(a, b)
+    >>> my_func.__doc__
+    'this is my funk'
+    """
+
+    def decorate(func):
+        @functools.wraps(func)
+        def wrapper(*f_args, **f_kwargs):
+            bound = functools.partial(func, *f_args, **f_kwargs)
+            return retry_call(bound, *r_args, **r_kwargs)
+
+        return wrapper
+
+    return decorate
+
+
+def print_yielded(func):
+    """
+    Convert a generator into a function that prints all yielded elements
+
+    >>> @print_yielded
+    ... def x():
+    ...     yield 3; yield None
+    >>> x()
+    3
+    None
+    """
+    print_all = functools.partial(map, print)
+    print_results = compose(more_itertools.consume, print_all, func)
+    return functools.wraps(func)(print_results)
+
+
+def pass_none(func):
+    """
+    Wrap func so it's not called if its first param is None
+
+    >>> print_text = pass_none(print)
+    >>> print_text('text')
+    text
+    >>> print_text(None)
+    """
+
+    @functools.wraps(func)
+    def wrapper(param, *args, **kwargs):
+        if param is not None:
+            return func(param, *args, **kwargs)
+
+    return wrapper
+
+
+def assign_params(func, namespace):
+    """
+    Assign parameters from namespace where func solicits.
+
+    >>> def func(x, y=3):
+    ...     print(x, y)
+    >>> assigned = assign_params(func, dict(x=2, z=4))
+    >>> assigned()
+    2 3
+
+    The usual errors are raised if a function doesn't receive
+    its required parameters:
+
+    >>> assigned = assign_params(func, dict(y=3, z=4))
+    >>> assigned()
+    Traceback (most recent call last):
+    TypeError: func() ...argument...
+
+    It even works on methods:
+
+    >>> class Handler:
+    ...     def meth(self, arg):
+    ...         print(arg)
+    >>> assign_params(Handler().meth, dict(arg='crystal', foo='clear'))()
+    crystal
+    """
+    sig = inspect.signature(func)
+    params = sig.parameters.keys()
+    call_ns = {k: namespace[k] for k in params if k in namespace}
+    return functools.partial(func, **call_ns)
+
+
+def save_method_args(method):
+    """
+    Wrap a method such that when it is called, the args and kwargs are
+    saved on the method.
+
+    >>> class MyClass:
+    ...     @save_method_args
+    ...     def method(self, a, b):
+    ...         print(a, b)
+    >>> my_ob = MyClass()
+    >>> my_ob.method(1, 2)
+    1 2
+    >>> my_ob._saved_method.args
+    (1, 2)
+    >>> my_ob._saved_method.kwargs
+    {}
+    >>> my_ob.method(a=3, b='foo')
+    3 foo
+    >>> my_ob._saved_method.args
+    ()
+    >>> my_ob._saved_method.kwargs == dict(a=3, b='foo')
+    True
+
+    The arguments are stored on the instance, allowing for
+    different instance to save different args.
+
+    >>> your_ob = MyClass()
+    >>> your_ob.method({str('x'): 3}, b=[4])
+    {'x': 3} [4]
+    >>> your_ob._saved_method.args
+    ({'x': 3},)
+    >>> my_ob._saved_method.args
+    ()
+    """
+    args_and_kwargs = collections.namedtuple('args_and_kwargs', 'args kwargs')
+
+    @functools.wraps(method)
+    def wrapper(self, *args, **kwargs):
+        attr_name = '_saved_' + method.__name__
+        attr = args_and_kwargs(args, kwargs)
+        setattr(self, attr_name, attr)
+        return method(self, *args, **kwargs)
+
+    return wrapper
+
+
+def except_(*exceptions, replace=None, use=None):
+    """
+    Replace the indicated exceptions, if raised, with the indicated
+    literal replacement or evaluated expression (if present).
+
+    >>> safe_int = except_(ValueError)(int)
+    >>> safe_int('five')
+    >>> safe_int('5')
+    5
+
+    Specify a literal replacement with ``replace``.
+
+    >>> safe_int_r = except_(ValueError, replace=0)(int)
+    >>> safe_int_r('five')
+    0
+
+    Provide an expression to ``use`` to pass through particular parameters.
+
+    >>> safe_int_pt = except_(ValueError, use='args[0]')(int)
+    >>> safe_int_pt('five')
+    'five'
+
+    """
+
+    def decorate(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            try:
+                return func(*args, **kwargs)
+            except exceptions:
+                try:
+                    return eval(use)
+                except TypeError:
+                    return replace
+
+        return wrapper
+
+    return decorate
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/text/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/text/__init__.py
new file mode 100644
index 00000000..a0306d5f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/text/__init__.py
@@ -0,0 +1,599 @@
+import re
+import itertools
+import textwrap
+import functools
+
+try:
+    from importlib.resources import files  # type: ignore
+except ImportError:  # pragma: nocover
+    from setuptools.extern.importlib_resources import files  # type: ignore
+
+from setuptools.extern.jaraco.functools import compose, method_cache
+from setuptools.extern.jaraco.context import ExceptionTrap
+
+
+def substitution(old, new):
+    """
+    Return a function that will perform a substitution on a string
+    """
+    return lambda s: s.replace(old, new)
+
+
+def multi_substitution(*substitutions):
+    """
+    Take a sequence of pairs specifying substitutions, and create
+    a function that performs those substitutions.
+
+    >>> multi_substitution(('foo', 'bar'), ('bar', 'baz'))('foo')
+    'baz'
+    """
+    substitutions = itertools.starmap(substitution, substitutions)
+    # compose function applies last function first, so reverse the
+    #  substitutions to get the expected order.
+    substitutions = reversed(tuple(substitutions))
+    return compose(*substitutions)
+
+
+class FoldedCase(str):
+    """
+    A case insensitive string class; behaves just like str
+    except compares equal when the only variation is case.
+
+    >>> s = FoldedCase('hello world')
+
+    >>> s == 'Hello World'
+    True
+
+    >>> 'Hello World' == s
+    True
+
+    >>> s != 'Hello World'
+    False
+
+    >>> s.index('O')
+    4
+
+    >>> s.split('O')
+    ['hell', ' w', 'rld']
+
+    >>> sorted(map(FoldedCase, ['GAMMA', 'alpha', 'Beta']))
+    ['alpha', 'Beta', 'GAMMA']
+
+    Sequence membership is straightforward.
+
+    >>> "Hello World" in [s]
+    True
+    >>> s in ["Hello World"]
+    True
+
+    You may test for set inclusion, but candidate and elements
+    must both be folded.
+
+    >>> FoldedCase("Hello World") in {s}
+    True
+    >>> s in {FoldedCase("Hello World")}
+    True
+
+    String inclusion works as long as the FoldedCase object
+    is on the right.
+
+    >>> "hello" in FoldedCase("Hello World")
+    True
+
+    But not if the FoldedCase object is on the left:
+
+    >>> FoldedCase('hello') in 'Hello World'
+    False
+
+    In that case, use ``in_``:
+
+    >>> FoldedCase('hello').in_('Hello World')
+    True
+
+    >>> FoldedCase('hello') > FoldedCase('Hello')
+    False
+    """
+
+    def __lt__(self, other):
+        return self.lower() < other.lower()
+
+    def __gt__(self, other):
+        return self.lower() > other.lower()
+
+    def __eq__(self, other):
+        return self.lower() == other.lower()
+
+    def __ne__(self, other):
+        return self.lower() != other.lower()
+
+    def __hash__(self):
+        return hash(self.lower())
+
+    def __contains__(self, other):
+        return super().lower().__contains__(other.lower())
+
+    def in_(self, other):
+        "Does self appear in other?"
+        return self in FoldedCase(other)
+
+    # cache lower since it's likely to be called frequently.
+    @method_cache
+    def lower(self):
+        return super().lower()
+
+    def index(self, sub):
+        return self.lower().index(sub.lower())
+
+    def split(self, splitter=' ', maxsplit=0):
+        pattern = re.compile(re.escape(splitter), re.I)
+        return pattern.split(self, maxsplit)
+
+
+# Python 3.8 compatibility
+_unicode_trap = ExceptionTrap(UnicodeDecodeError)
+
+
+@_unicode_trap.passes
+def is_decodable(value):
+    r"""
+    Return True if the supplied value is decodable (using the default
+    encoding).
+
+    >>> is_decodable(b'\xff')
+    False
+    >>> is_decodable(b'\x32')
+    True
+    """
+    value.decode()
+
+
+def is_binary(value):
+    r"""
+    Return True if the value appears to be binary (that is, it's a byte
+    string and isn't decodable).
+
+    >>> is_binary(b'\xff')
+    True
+    >>> is_binary('\xff')
+    False
+    """
+    return isinstance(value, bytes) and not is_decodable(value)
+
+
+def trim(s):
+    r"""
+    Trim something like a docstring to remove the whitespace that
+    is common due to indentation and formatting.
+
+    >>> trim("\n\tfoo = bar\n\t\tbar = baz\n")
+    'foo = bar\n\tbar = baz'
+    """
+    return textwrap.dedent(s).strip()
+
+
+def wrap(s):
+    """
+    Wrap lines of text, retaining existing newlines as
+    paragraph markers.
+
+    >>> print(wrap(lorem_ipsum))
+    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do
+    eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad
+    minim veniam, quis nostrud exercitation ullamco laboris nisi ut
+    aliquip ex ea commodo consequat. Duis aute irure dolor in
+    reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
+    pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
+    culpa qui officia deserunt mollit anim id est laborum.
+    <BLANKLINE>
+    Curabitur pretium tincidunt lacus. Nulla gravida orci a odio. Nullam
+    varius, turpis et commodo pharetra, est eros bibendum elit, nec luctus
+    magna felis sollicitudin mauris. Integer in mauris eu nibh euismod
+    gravida. Duis ac tellus et risus vulputate vehicula. Donec lobortis
+    risus a elit. Etiam tempor. Ut ullamcorper, ligula eu tempor congue,
+    eros est euismod turpis, id tincidunt sapien risus a quam. Maecenas
+    fermentum consequat mi. Donec fermentum. Pellentesque malesuada nulla
+    a mi. Duis sapien sem, aliquet nec, commodo eget, consequat quis,
+    neque. Aliquam faucibus, elit ut dictum aliquet, felis nisl adipiscing
+    sapien, sed malesuada diam lacus eget erat. Cras mollis scelerisque
+    nunc. Nullam arcu. Aliquam consequat. Curabitur augue lorem, dapibus
+    quis, laoreet et, pretium ac, nisi. Aenean magna nisl, mollis quis,
+    molestie eu, feugiat in, orci. In hac habitasse platea dictumst.
+    """
+    paragraphs = s.splitlines()
+    wrapped = ('\n'.join(textwrap.wrap(para)) for para in paragraphs)
+    return '\n\n'.join(wrapped)
+
+
+def unwrap(s):
+    r"""
+    Given a multi-line string, return an unwrapped version.
+
+    >>> wrapped = wrap(lorem_ipsum)
+    >>> wrapped.count('\n')
+    20
+    >>> unwrapped = unwrap(wrapped)
+    >>> unwrapped.count('\n')
+    1
+    >>> print(unwrapped)
+    Lorem ipsum dolor sit amet, consectetur adipiscing ...
+    Curabitur pretium tincidunt lacus. Nulla gravida orci ...
+
+    """
+    paragraphs = re.split(r'\n\n+', s)
+    cleaned = (para.replace('\n', ' ') for para in paragraphs)
+    return '\n'.join(cleaned)
+
+
+
+
+class Splitter(object):
+    """object that will split a string with the given arguments for each call
+
+    >>> s = Splitter(',')
+    >>> s('hello, world, this is your, master calling')
+    ['hello', ' world', ' this is your', ' master calling']
+    """
+
+    def __init__(self, *args):
+        self.args = args
+
+    def __call__(self, s):
+        return s.split(*self.args)
+
+
+def indent(string, prefix=' ' * 4):
+    """
+    >>> indent('foo')
+    '    foo'
+    """
+    return prefix + string
+
+
+class WordSet(tuple):
+    """
+    Given an identifier, return the words that identifier represents,
+    whether in camel case, underscore-separated, etc.
+
+    >>> WordSet.parse("camelCase")
+    ('camel', 'Case')
+
+    >>> WordSet.parse("under_sep")
+    ('under', 'sep')
+
+    Acronyms should be retained
+
+    >>> WordSet.parse("firstSNL")
+    ('first', 'SNL')
+
+    >>> WordSet.parse("you_and_I")
+    ('you', 'and', 'I')
+
+    >>> WordSet.parse("A simple test")
+    ('A', 'simple', 'test')
+
+    Multiple caps should not interfere with the first cap of another word.
+
+    >>> WordSet.parse("myABCClass")
+    ('my', 'ABC', 'Class')
+
+    The result is a WordSet, so you can get the form you need.
+
+    >>> WordSet.parse("myABCClass").underscore_separated()
+    'my_ABC_Class'
+
+    >>> WordSet.parse('a-command').camel_case()
+    'ACommand'
+
+    >>> WordSet.parse('someIdentifier').lowered().space_separated()
+    'some identifier'
+
+    Slices of the result should return another WordSet.
+
+    >>> WordSet.parse('taken-out-of-context')[1:].underscore_separated()
+    'out_of_context'
+
+    >>> WordSet.from_class_name(WordSet()).lowered().space_separated()
+    'word set'
+
+    >>> example = WordSet.parse('figured it out')
+    >>> example.headless_camel_case()
+    'figuredItOut'
+    >>> example.dash_separated()
+    'figured-it-out'
+
+    """
+
+    _pattern = re.compile('([A-Z]?[a-z]+)|([A-Z]+(?![a-z]))')
+
+    def capitalized(self):
+        return WordSet(word.capitalize() for word in self)
+
+    def lowered(self):
+        return WordSet(word.lower() for word in self)
+
+    def camel_case(self):
+        return ''.join(self.capitalized())
+
+    def headless_camel_case(self):
+        words = iter(self)
+        first = next(words).lower()
+        new_words = itertools.chain((first,), WordSet(words).camel_case())
+        return ''.join(new_words)
+
+    def underscore_separated(self):
+        return '_'.join(self)
+
+    def dash_separated(self):
+        return '-'.join(self)
+
+    def space_separated(self):
+        return ' '.join(self)
+
+    def trim_right(self, item):
+        """
+        Remove the item from the end of the set.
+
+        >>> WordSet.parse('foo bar').trim_right('foo')
+        ('foo', 'bar')
+        >>> WordSet.parse('foo bar').trim_right('bar')
+        ('foo',)
+        >>> WordSet.parse('').trim_right('bar')
+        ()
+        """
+        return self[:-1] if self and self[-1] == item else self
+
+    def trim_left(self, item):
+        """
+        Remove the item from the beginning of the set.
+
+        >>> WordSet.parse('foo bar').trim_left('foo')
+        ('bar',)
+        >>> WordSet.parse('foo bar').trim_left('bar')
+        ('foo', 'bar')
+        >>> WordSet.parse('').trim_left('bar')
+        ()
+        """
+        return self[1:] if self and self[0] == item else self
+
+    def trim(self, item):
+        """
+        >>> WordSet.parse('foo bar').trim('foo')
+        ('bar',)
+        """
+        return self.trim_left(item).trim_right(item)
+
+    def __getitem__(self, item):
+        result = super(WordSet, self).__getitem__(item)
+        if isinstance(item, slice):
+            result = WordSet(result)
+        return result
+
+    @classmethod
+    def parse(cls, identifier):
+        matches = cls._pattern.finditer(identifier)
+        return WordSet(match.group(0) for match in matches)
+
+    @classmethod
+    def from_class_name(cls, subject):
+        return cls.parse(subject.__class__.__name__)
+
+
+# for backward compatibility
+words = WordSet.parse
+
+
+def simple_html_strip(s):
+    r"""
+    Remove HTML from the string `s`.
+
+    >>> str(simple_html_strip(''))
+    ''
+
+    >>> print(simple_html_strip('A <bold>stormy</bold> day in paradise'))
+    A stormy day in paradise
+
+    >>> print(simple_html_strip('Somebody <!-- do not --> tell the truth.'))
+    Somebody  tell the truth.
+
+    >>> print(simple_html_strip('What about<br/>\nmultiple lines?'))
+    What about
+    multiple lines?
+    """
+    html_stripper = re.compile('(<!--.*?-->)|(<[^>]*>)|([^<]+)', re.DOTALL)
+    texts = (match.group(3) or '' for match in html_stripper.finditer(s))
+    return ''.join(texts)
+
+
+class SeparatedValues(str):
+    """
+    A string separated by a separator. Overrides __iter__ for getting
+    the values.
+
+    >>> list(SeparatedValues('a,b,c'))
+    ['a', 'b', 'c']
+
+    Whitespace is stripped and empty values are discarded.
+
+    >>> list(SeparatedValues(' a,   b   , c,  '))
+    ['a', 'b', 'c']
+    """
+
+    separator = ','
+
+    def __iter__(self):
+        parts = self.split(self.separator)
+        return filter(None, (part.strip() for part in parts))
+
+
+class Stripper:
+    r"""
+    Given a series of lines, find the common prefix and strip it from them.
+
+    >>> lines = [
+    ...     'abcdefg\n',
+    ...     'abc\n',
+    ...     'abcde\n',
+    ... ]
+    >>> res = Stripper.strip_prefix(lines)
+    >>> res.prefix
+    'abc'
+    >>> list(res.lines)
+    ['defg\n', '\n', 'de\n']
+
+    If no prefix is common, nothing should be stripped.
+
+    >>> lines = [
+    ...     'abcd\n',
+    ...     '1234\n',
+    ... ]
+    >>> res = Stripper.strip_prefix(lines)
+    >>> res.prefix = ''
+    >>> list(res.lines)
+    ['abcd\n', '1234\n']
+    """
+
+    def __init__(self, prefix, lines):
+        self.prefix = prefix
+        self.lines = map(self, lines)
+
+    @classmethod
+    def strip_prefix(cls, lines):
+        prefix_lines, lines = itertools.tee(lines)
+        prefix = functools.reduce(cls.common_prefix, prefix_lines)
+        return cls(prefix, lines)
+
+    def __call__(self, line):
+        if not self.prefix:
+            return line
+        null, prefix, rest = line.partition(self.prefix)
+        return rest
+
+    @staticmethod
+    def common_prefix(s1, s2):
+        """
+        Return the common prefix of two lines.
+        """
+        index = min(len(s1), len(s2))
+        while s1[:index] != s2[:index]:
+            index -= 1
+        return s1[:index]
+
+
+def remove_prefix(text, prefix):
+    """
+    Remove the prefix from the text if it exists.
+
+    >>> remove_prefix('underwhelming performance', 'underwhelming ')
+    'performance'
+
+    >>> remove_prefix('something special', 'sample')
+    'something special'
+    """
+    null, prefix, rest = text.rpartition(prefix)
+    return rest
+
+
+def remove_suffix(text, suffix):
+    """
+    Remove the suffix from the text if it exists.
+
+    >>> remove_suffix('name.git', '.git')
+    'name'
+
+    >>> remove_suffix('something special', 'sample')
+    'something special'
+    """
+    rest, suffix, null = text.partition(suffix)
+    return rest
+
+
+def normalize_newlines(text):
+    r"""
+    Replace alternate newlines with the canonical newline.
+
+    >>> normalize_newlines('Lorem Ipsum\u2029')
+    'Lorem Ipsum\n'
+    >>> normalize_newlines('Lorem Ipsum\r\n')
+    'Lorem Ipsum\n'
+    >>> normalize_newlines('Lorem Ipsum\x85')
+    'Lorem Ipsum\n'
+    """
+    newlines = ['\r\n', '\r', '\n', '\u0085', '\u2028', '\u2029']
+    pattern = '|'.join(newlines)
+    return re.sub(pattern, '\n', text)
+
+
+def _nonblank(str):
+    return str and not str.startswith('#')
+
+
+@functools.singledispatch
+def yield_lines(iterable):
+    r"""
+    Yield valid lines of a string or iterable.
+
+    >>> list(yield_lines(''))
+    []
+    >>> list(yield_lines(['foo', 'bar']))
+    ['foo', 'bar']
+    >>> list(yield_lines('foo\nbar'))
+    ['foo', 'bar']
+    >>> list(yield_lines('\nfoo\n#bar\nbaz #comment'))
+    ['foo', 'baz #comment']
+    >>> list(yield_lines(['foo\nbar', 'baz', 'bing\n\n\n']))
+    ['foo', 'bar', 'baz', 'bing']
+    """
+    return itertools.chain.from_iterable(map(yield_lines, iterable))
+
+
+@yield_lines.register(str)
+def _(text):
+    return filter(_nonblank, map(str.strip, text.splitlines()))
+
+
+def drop_comment(line):
+    """
+    Drop comments.
+
+    >>> drop_comment('foo # bar')
+    'foo'
+
+    A hash without a space may be in a URL.
+
+    >>> drop_comment('http://example.com/foo#bar')
+    'http://example.com/foo#bar'
+    """
+    return line.partition(' #')[0]
+
+
+def join_continuation(lines):
+    r"""
+    Join lines continued by a trailing backslash.
+
+    >>> list(join_continuation(['foo \\', 'bar', 'baz']))
+    ['foobar', 'baz']
+    >>> list(join_continuation(['foo \\', 'bar', 'baz']))
+    ['foobar', 'baz']
+    >>> list(join_continuation(['foo \\', 'bar \\', 'baz']))
+    ['foobarbaz']
+
+    Not sure why, but...
+    The character preceeding the backslash is also elided.
+
+    >>> list(join_continuation(['goo\\', 'dly']))
+    ['godly']
+
+    A terrible idea, but...
+    If no line is available to continue, suppress the lines.
+
+    >>> list(join_continuation(['foo', 'bar\\', 'baz\\']))
+    ['foo']
+    """
+    lines = iter(lines)
+    for item in lines:
+        while item.endswith('\\'):
+            try:
+                item = item[:-2].strip() + next(lines)
+            except StopIteration:
+                return
+        yield item
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/text/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/jaraco/text/__pycache__/__init__.cpython-311.pyc
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/more_itertools/__init__.py
@@ -0,0 +1,4 @@
+from .more import *  # noqa
+from .recipes import *  # noqa
+
+__version__ = '8.8.0'
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new file mode 100644
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/more_itertools/more.py
@@ -0,0 +1,3824 @@
+import warnings
+
+from collections import Counter, defaultdict, deque, abc
+from collections.abc import Sequence
+from functools import partial, reduce, wraps
+from heapq import merge, heapify, heapreplace, heappop
+from itertools import (
+    chain,
+    compress,
+    count,
+    cycle,
+    dropwhile,
+    groupby,
+    islice,
+    repeat,
+    starmap,
+    takewhile,
+    tee,
+    zip_longest,
+)
+from math import exp, factorial, floor, log
+from queue import Empty, Queue
+from random import random, randrange, uniform
+from operator import itemgetter, mul, sub, gt, lt
+from sys import hexversion, maxsize
+from time import monotonic
+
+from .recipes import (
+    consume,
+    flatten,
+    pairwise,
+    powerset,
+    take,
+    unique_everseen,
+)
+
+__all__ = [
+    'AbortThread',
+    'adjacent',
+    'always_iterable',
+    'always_reversible',
+    'bucket',
+    'callback_iter',
+    'chunked',
+    'circular_shifts',
+    'collapse',
+    'collate',
+    'consecutive_groups',
+    'consumer',
+    'countable',
+    'count_cycle',
+    'mark_ends',
+    'difference',
+    'distinct_combinations',
+    'distinct_permutations',
+    'distribute',
+    'divide',
+    'exactly_n',
+    'filter_except',
+    'first',
+    'groupby_transform',
+    'ilen',
+    'interleave_longest',
+    'interleave',
+    'intersperse',
+    'islice_extended',
+    'iterate',
+    'ichunked',
+    'is_sorted',
+    'last',
+    'locate',
+    'lstrip',
+    'make_decorator',
+    'map_except',
+    'map_reduce',
+    'nth_or_last',
+    'nth_permutation',
+    'nth_product',
+    'numeric_range',
+    'one',
+    'only',
+    'padded',
+    'partitions',
+    'set_partitions',
+    'peekable',
+    'repeat_last',
+    'replace',
+    'rlocate',
+    'rstrip',
+    'run_length',
+    'sample',
+    'seekable',
+    'SequenceView',
+    'side_effect',
+    'sliced',
+    'sort_together',
+    'split_at',
+    'split_after',
+    'split_before',
+    'split_when',
+    'split_into',
+    'spy',
+    'stagger',
+    'strip',
+    'substrings',
+    'substrings_indexes',
+    'time_limited',
+    'unique_to_each',
+    'unzip',
+    'windowed',
+    'with_iter',
+    'UnequalIterablesError',
+    'zip_equal',
+    'zip_offset',
+    'windowed_complete',
+    'all_unique',
+    'value_chain',
+    'product_index',
+    'combination_index',
+    'permutation_index',
+]
+
+_marker = object()
+
+
+def chunked(iterable, n, strict=False):
+    """Break *iterable* into lists of length *n*:
+
+        >>> list(chunked([1, 2, 3, 4, 5, 6], 3))
+        [[1, 2, 3], [4, 5, 6]]
+
+    By the default, the last yielded list will have fewer than *n* elements
+    if the length of *iterable* is not divisible by *n*:
+
+        >>> list(chunked([1, 2, 3, 4, 5, 6, 7, 8], 3))
+        [[1, 2, 3], [4, 5, 6], [7, 8]]
+
+    To use a fill-in value instead, see the :func:`grouper` recipe.
+
+    If the length of *iterable* is not divisible by *n* and *strict* is
+    ``True``, then ``ValueError`` will be raised before the last
+    list is yielded.
+
+    """
+    iterator = iter(partial(take, n, iter(iterable)), [])
+    if strict:
+
+        def ret():
+            for chunk in iterator:
+                if len(chunk) != n:
+                    raise ValueError('iterable is not divisible by n.')
+                yield chunk
+
+        return iter(ret())
+    else:
+        return iterator
+
+
+def first(iterable, default=_marker):
+    """Return the first item of *iterable*, or *default* if *iterable* is
+    empty.
+
+        >>> first([0, 1, 2, 3])
+        0
+        >>> first([], 'some default')
+        'some default'
+
+    If *default* is not provided and there are no items in the iterable,
+    raise ``ValueError``.
+
+    :func:`first` is useful when you have a generator of expensive-to-retrieve
+    values and want any arbitrary one. It is marginally shorter than
+    ``next(iter(iterable), default)``.
+
+    """
+    try:
+        return next(iter(iterable))
+    except StopIteration as e:
+        if default is _marker:
+            raise ValueError(
+                'first() was called on an empty iterable, and no '
+                'default value was provided.'
+            ) from e
+        return default
+
+
+def last(iterable, default=_marker):
+    """Return the last item of *iterable*, or *default* if *iterable* is
+    empty.
+
+        >>> last([0, 1, 2, 3])
+        3
+        >>> last([], 'some default')
+        'some default'
+
+    If *default* is not provided and there are no items in the iterable,
+    raise ``ValueError``.
+    """
+    try:
+        if isinstance(iterable, Sequence):
+            return iterable[-1]
+        # Work around https://bugs.python.org/issue38525
+        elif hasattr(iterable, '__reversed__') and (hexversion != 0x030800F0):
+            return next(reversed(iterable))
+        else:
+            return deque(iterable, maxlen=1)[-1]
+    except (IndexError, TypeError, StopIteration):
+        if default is _marker:
+            raise ValueError(
+                'last() was called on an empty iterable, and no default was '
+                'provided.'
+            )
+        return default
+
+
+def nth_or_last(iterable, n, default=_marker):
+    """Return the nth or the last item of *iterable*,
+    or *default* if *iterable* is empty.
+
+        >>> nth_or_last([0, 1, 2, 3], 2)
+        2
+        >>> nth_or_last([0, 1], 2)
+        1
+        >>> nth_or_last([], 0, 'some default')
+        'some default'
+
+    If *default* is not provided and there are no items in the iterable,
+    raise ``ValueError``.
+    """
+    return last(islice(iterable, n + 1), default=default)
+
+
+class peekable:
+    """Wrap an iterator to allow lookahead and prepending elements.
+
+    Call :meth:`peek` on the result to get the value that will be returned
+    by :func:`next`. This won't advance the iterator:
+
+        >>> p = peekable(['a', 'b'])
+        >>> p.peek()
+        'a'
+        >>> next(p)
+        'a'
+
+    Pass :meth:`peek` a default value to return that instead of raising
+    ``StopIteration`` when the iterator is exhausted.
+
+        >>> p = peekable([])
+        >>> p.peek('hi')
+        'hi'
+
+    peekables also offer a :meth:`prepend` method, which "inserts" items
+    at the head of the iterable:
+
+        >>> p = peekable([1, 2, 3])
+        >>> p.prepend(10, 11, 12)
+        >>> next(p)
+        10
+        >>> p.peek()
+        11
+        >>> list(p)
+        [11, 12, 1, 2, 3]
+
+    peekables can be indexed. Index 0 is the item that will be returned by
+    :func:`next`, index 1 is the item after that, and so on:
+    The values up to the given index will be cached.
+
+        >>> p = peekable(['a', 'b', 'c', 'd'])
+        >>> p[0]
+        'a'
+        >>> p[1]
+        'b'
+        >>> next(p)
+        'a'
+
+    Negative indexes are supported, but be aware that they will cache the
+    remaining items in the source iterator, which may require significant
+    storage.
+
+    To check whether a peekable is exhausted, check its truth value:
+
+        >>> p = peekable(['a', 'b'])
+        >>> if p:  # peekable has items
+        ...     list(p)
+        ['a', 'b']
+        >>> if not p:  # peekable is exhausted
+        ...     list(p)
+        []
+
+    """
+
+    def __init__(self, iterable):
+        self._it = iter(iterable)
+        self._cache = deque()
+
+    def __iter__(self):
+        return self
+
+    def __bool__(self):
+        try:
+            self.peek()
+        except StopIteration:
+            return False
+        return True
+
+    def peek(self, default=_marker):
+        """Return the item that will be next returned from ``next()``.
+
+        Return ``default`` if there are no items left. If ``default`` is not
+        provided, raise ``StopIteration``.
+
+        """
+        if not self._cache:
+            try:
+                self._cache.append(next(self._it))
+            except StopIteration:
+                if default is _marker:
+                    raise
+                return default
+        return self._cache[0]
+
+    def prepend(self, *items):
+        """Stack up items to be the next ones returned from ``next()`` or
+        ``self.peek()``. The items will be returned in
+        first in, first out order::
+
+            >>> p = peekable([1, 2, 3])
+            >>> p.prepend(10, 11, 12)
+            >>> next(p)
+            10
+            >>> list(p)
+            [11, 12, 1, 2, 3]
+
+        It is possible, by prepending items, to "resurrect" a peekable that
+        previously raised ``StopIteration``.
+
+            >>> p = peekable([])
+            >>> next(p)
+            Traceback (most recent call last):
+              ...
+            StopIteration
+            >>> p.prepend(1)
+            >>> next(p)
+            1
+            >>> next(p)
+            Traceback (most recent call last):
+              ...
+            StopIteration
+
+        """
+        self._cache.extendleft(reversed(items))
+
+    def __next__(self):
+        if self._cache:
+            return self._cache.popleft()
+
+        return next(self._it)
+
+    def _get_slice(self, index):
+        # Normalize the slice's arguments
+        step = 1 if (index.step is None) else index.step
+        if step > 0:
+            start = 0 if (index.start is None) else index.start
+            stop = maxsize if (index.stop is None) else index.stop
+        elif step < 0:
+            start = -1 if (index.start is None) else index.start
+            stop = (-maxsize - 1) if (index.stop is None) else index.stop
+        else:
+            raise ValueError('slice step cannot be zero')
+
+        # If either the start or stop index is negative, we'll need to cache
+        # the rest of the iterable in order to slice from the right side.
+        if (start < 0) or (stop < 0):
+            self._cache.extend(self._it)
+        # Otherwise we'll need to find the rightmost index and cache to that
+        # point.
+        else:
+            n = min(max(start, stop) + 1, maxsize)
+            cache_len = len(self._cache)
+            if n >= cache_len:
+                self._cache.extend(islice(self._it, n - cache_len))
+
+        return list(self._cache)[index]
+
+    def __getitem__(self, index):
+        if isinstance(index, slice):
+            return self._get_slice(index)
+
+        cache_len = len(self._cache)
+        if index < 0:
+            self._cache.extend(self._it)
+        elif index >= cache_len:
+            self._cache.extend(islice(self._it, index + 1 - cache_len))
+
+        return self._cache[index]
+
+
+def collate(*iterables, **kwargs):
+    """Return a sorted merge of the items from each of several already-sorted
+    *iterables*.
+
+        >>> list(collate('ACDZ', 'AZ', 'JKL'))
+        ['A', 'A', 'C', 'D', 'J', 'K', 'L', 'Z', 'Z']
+
+    Works lazily, keeping only the next value from each iterable in memory. Use
+    :func:`collate` to, for example, perform a n-way mergesort of items that
+    don't fit in memory.
+
+    If a *key* function is specified, the iterables will be sorted according
+    to its result:
+
+        >>> key = lambda s: int(s)  # Sort by numeric value, not by string
+        >>> list(collate(['1', '10'], ['2', '11'], key=key))
+        ['1', '2', '10', '11']
+
+
+    If the *iterables* are sorted in descending order, set *reverse* to
+    ``True``:
+
+        >>> list(collate([5, 3, 1], [4, 2, 0], reverse=True))
+        [5, 4, 3, 2, 1, 0]
+
+    If the elements of the passed-in iterables are out of order, you might get
+    unexpected results.
+
+    On Python 3.5+, this function is an alias for :func:`heapq.merge`.
+
+    """
+    warnings.warn(
+        "collate is no longer part of more_itertools, use heapq.merge",
+        DeprecationWarning,
+    )
+    return merge(*iterables, **kwargs)
+
+
+def consumer(func):
+    """Decorator that automatically advances a PEP-342-style "reverse iterator"
+    to its first yield point so you don't have to call ``next()`` on it
+    manually.
+
+        >>> @consumer
+        ... def tally():
+        ...     i = 0
+        ...     while True:
+        ...         print('Thing number %s is %s.' % (i, (yield)))
+        ...         i += 1
+        ...
+        >>> t = tally()
+        >>> t.send('red')
+        Thing number 0 is red.
+        >>> t.send('fish')
+        Thing number 1 is fish.
+
+    Without the decorator, you would have to call ``next(t)`` before
+    ``t.send()`` could be used.
+
+    """
+
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        gen = func(*args, **kwargs)
+        next(gen)
+        return gen
+
+    return wrapper
+
+
+def ilen(iterable):
+    """Return the number of items in *iterable*.
+
+        >>> ilen(x for x in range(1000000) if x % 3 == 0)
+        333334
+
+    This consumes the iterable, so handle with care.
+
+    """
+    # This approach was selected because benchmarks showed it's likely the
+    # fastest of the known implementations at the time of writing.
+    # See GitHub tracker: #236, #230.
+    counter = count()
+    deque(zip(iterable, counter), maxlen=0)
+    return next(counter)
+
+
+def iterate(func, start):
+    """Return ``start``, ``func(start)``, ``func(func(start))``, ...
+
+    >>> from itertools import islice
+    >>> list(islice(iterate(lambda x: 2*x, 1), 10))
+    [1, 2, 4, 8, 16, 32, 64, 128, 256, 512]
+
+    """
+    while True:
+        yield start
+        start = func(start)
+
+
+def with_iter(context_manager):
+    """Wrap an iterable in a ``with`` statement, so it closes once exhausted.
+
+    For example, this will close the file when the iterator is exhausted::
+
+        upper_lines = (line.upper() for line in with_iter(open('foo')))
+
+    Any context manager which returns an iterable is a candidate for
+    ``with_iter``.
+
+    """
+    with context_manager as iterable:
+        yield from iterable
+
+
+def one(iterable, too_short=None, too_long=None):
+    """Return the first item from *iterable*, which is expected to contain only
+    that item. Raise an exception if *iterable* is empty or has more than one
+    item.
+
+    :func:`one` is useful for ensuring that an iterable contains only one item.
+    For example, it can be used to retrieve the result of a database query
+    that is expected to return a single row.
+
+    If *iterable* is empty, ``ValueError`` will be raised. You may specify a
+    different exception with the *too_short* keyword:
+
+        >>> it = []
+        >>> one(it)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        ValueError: too many items in iterable (expected 1)'
+        >>> too_short = IndexError('too few items')
+        >>> one(it, too_short=too_short)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        IndexError: too few items
+
+    Similarly, if *iterable* contains more than one item, ``ValueError`` will
+    be raised. You may specify a different exception with the *too_long*
+    keyword:
+
+        >>> it = ['too', 'many']
+        >>> one(it)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        ValueError: Expected exactly one item in iterable, but got 'too',
+        'many', and perhaps more.
+        >>> too_long = RuntimeError
+        >>> one(it, too_long=too_long)  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        RuntimeError
+
+    Note that :func:`one` attempts to advance *iterable* twice to ensure there
+    is only one item. See :func:`spy` or :func:`peekable` to check iterable
+    contents less destructively.
+
+    """
+    it = iter(iterable)
+
+    try:
+        first_value = next(it)
+    except StopIteration as e:
+        raise (
+            too_short or ValueError('too few items in iterable (expected 1)')
+        ) from e
+
+    try:
+        second_value = next(it)
+    except StopIteration:
+        pass
+    else:
+        msg = (
+            'Expected exactly one item in iterable, but got {!r}, {!r}, '
+            'and perhaps more.'.format(first_value, second_value)
+        )
+        raise too_long or ValueError(msg)
+
+    return first_value
+
+
+def distinct_permutations(iterable, r=None):
+    """Yield successive distinct permutations of the elements in *iterable*.
+
+        >>> sorted(distinct_permutations([1, 0, 1]))
+        [(0, 1, 1), (1, 0, 1), (1, 1, 0)]
+
+    Equivalent to ``set(permutations(iterable))``, except duplicates are not
+    generated and thrown away. For larger input sequences this is much more
+    efficient.
+
+    Duplicate permutations arise when there are duplicated elements in the
+    input iterable. The number of items returned is
+    `n! / (x_1! * x_2! * ... * x_n!)`, where `n` is the total number of
+    items input, and each `x_i` is the count of a distinct item in the input
+    sequence.
+
+    If *r* is given, only the *r*-length permutations are yielded.
+
+        >>> sorted(distinct_permutations([1, 0, 1], r=2))
+        [(0, 1), (1, 0), (1, 1)]
+        >>> sorted(distinct_permutations(range(3), r=2))
+        [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)]
+
+    """
+    # Algorithm: https://w.wiki/Qai
+    def _full(A):
+        while True:
+            # Yield the permutation we have
+            yield tuple(A)
+
+            # Find the largest index i such that A[i] < A[i + 1]
+            for i in range(size - 2, -1, -1):
+                if A[i] < A[i + 1]:
+                    break
+            #  If no such index exists, this permutation is the last one
+            else:
+                return
+
+            # Find the largest index j greater than j such that A[i] < A[j]
+            for j in range(size - 1, i, -1):
+                if A[i] < A[j]:
+                    break
+
+            # Swap the value of A[i] with that of A[j], then reverse the
+            # sequence from A[i + 1] to form the new permutation
+            A[i], A[j] = A[j], A[i]
+            A[i + 1 :] = A[: i - size : -1]  # A[i + 1:][::-1]
+
+    # Algorithm: modified from the above
+    def _partial(A, r):
+        # Split A into the first r items and the last r items
+        head, tail = A[:r], A[r:]
+        right_head_indexes = range(r - 1, -1, -1)
+        left_tail_indexes = range(len(tail))
+
+        while True:
+            # Yield the permutation we have
+            yield tuple(head)
+
+            # Starting from the right, find the first index of the head with
+            # value smaller than the maximum value of the tail - call it i.
+            pivot = tail[-1]
+            for i in right_head_indexes:
+                if head[i] < pivot:
+                    break
+                pivot = head[i]
+            else:
+                return
+
+            # Starting from the left, find the first value of the tail
+            # with a value greater than head[i] and swap.
+            for j in left_tail_indexes:
+                if tail[j] > head[i]:
+                    head[i], tail[j] = tail[j], head[i]
+                    break
+            # If we didn't find one, start from the right and find the first
+            # index of the head with a value greater than head[i] and swap.
+            else:
+                for j in right_head_indexes:
+                    if head[j] > head[i]:
+                        head[i], head[j] = head[j], head[i]
+                        break
+
+            # Reverse head[i + 1:] and swap it with tail[:r - (i + 1)]
+            tail += head[: i - r : -1]  # head[i + 1:][::-1]
+            i += 1
+            head[i:], tail[:] = tail[: r - i], tail[r - i :]
+
+    items = sorted(iterable)
+
+    size = len(items)
+    if r is None:
+        r = size
+
+    if 0 < r <= size:
+        return _full(items) if (r == size) else _partial(items, r)
+
+    return iter(() if r else ((),))
+
+
+def intersperse(e, iterable, n=1):
+    """Intersperse filler element *e* among the items in *iterable*, leaving
+    *n* items between each filler element.
+
+        >>> list(intersperse('!', [1, 2, 3, 4, 5]))
+        [1, '!', 2, '!', 3, '!', 4, '!', 5]
+
+        >>> list(intersperse(None, [1, 2, 3, 4, 5], n=2))
+        [1, 2, None, 3, 4, None, 5]
+
+    """
+    if n == 0:
+        raise ValueError('n must be > 0')
+    elif n == 1:
+        # interleave(repeat(e), iterable) -> e, x_0, e, e, x_1, e, x_2...
+        # islice(..., 1, None) -> x_0, e, e, x_1, e, x_2...
+        return islice(interleave(repeat(e), iterable), 1, None)
+    else:
+        # interleave(filler, chunks) -> [e], [x_0, x_1], [e], [x_2, x_3]...
+        # islice(..., 1, None) -> [x_0, x_1], [e], [x_2, x_3]...
+        # flatten(...) -> x_0, x_1, e, x_2, x_3...
+        filler = repeat([e])
+        chunks = chunked(iterable, n)
+        return flatten(islice(interleave(filler, chunks), 1, None))
+
+
+def unique_to_each(*iterables):
+    """Return the elements from each of the input iterables that aren't in the
+    other input iterables.
+
+    For example, suppose you have a set of packages, each with a set of
+    dependencies::
+
+        {'pkg_1': {'A', 'B'}, 'pkg_2': {'B', 'C'}, 'pkg_3': {'B', 'D'}}
+
+    If you remove one package, which dependencies can also be removed?
+
+    If ``pkg_1`` is removed, then ``A`` is no longer necessary - it is not
+    associated with ``pkg_2`` or ``pkg_3``. Similarly, ``C`` is only needed for
+    ``pkg_2``, and ``D`` is only needed for ``pkg_3``::
+
+        >>> unique_to_each({'A', 'B'}, {'B', 'C'}, {'B', 'D'})
+        [['A'], ['C'], ['D']]
+
+    If there are duplicates in one input iterable that aren't in the others
+    they will be duplicated in the output. Input order is preserved::
+
+        >>> unique_to_each("mississippi", "missouri")
+        [['p', 'p'], ['o', 'u', 'r']]
+
+    It is assumed that the elements of each iterable are hashable.
+
+    """
+    pool = [list(it) for it in iterables]
+    counts = Counter(chain.from_iterable(map(set, pool)))
+    uniques = {element for element in counts if counts[element] == 1}
+    return [list(filter(uniques.__contains__, it)) for it in pool]
+
+
+def windowed(seq, n, fillvalue=None, step=1):
+    """Return a sliding window of width *n* over the given iterable.
+
+        >>> all_windows = windowed([1, 2, 3, 4, 5], 3)
+        >>> list(all_windows)
+        [(1, 2, 3), (2, 3, 4), (3, 4, 5)]
+
+    When the window is larger than the iterable, *fillvalue* is used in place
+    of missing values:
+
+        >>> list(windowed([1, 2, 3], 4))
+        [(1, 2, 3, None)]
+
+    Each window will advance in increments of *step*:
+
+        >>> list(windowed([1, 2, 3, 4, 5, 6], 3, fillvalue='!', step=2))
+        [(1, 2, 3), (3, 4, 5), (5, 6, '!')]
+
+    To slide into the iterable's items, use :func:`chain` to add filler items
+    to the left:
+
+        >>> iterable = [1, 2, 3, 4]
+        >>> n = 3
+        >>> padding = [None] * (n - 1)
+        >>> list(windowed(chain(padding, iterable), 3))
+        [(None, None, 1), (None, 1, 2), (1, 2, 3), (2, 3, 4)]
+    """
+    if n < 0:
+        raise ValueError('n must be >= 0')
+    if n == 0:
+        yield tuple()
+        return
+    if step < 1:
+        raise ValueError('step must be >= 1')
+
+    window = deque(maxlen=n)
+    i = n
+    for _ in map(window.append, seq):
+        i -= 1
+        if not i:
+            i = step
+            yield tuple(window)
+
+    size = len(window)
+    if size < n:
+        yield tuple(chain(window, repeat(fillvalue, n - size)))
+    elif 0 < i < min(step, n):
+        window += (fillvalue,) * i
+        yield tuple(window)
+
+
+def substrings(iterable):
+    """Yield all of the substrings of *iterable*.
+
+        >>> [''.join(s) for s in substrings('more')]
+        ['m', 'o', 'r', 'e', 'mo', 'or', 're', 'mor', 'ore', 'more']
+
+    Note that non-string iterables can also be subdivided.
+
+        >>> list(substrings([0, 1, 2]))
+        [(0,), (1,), (2,), (0, 1), (1, 2), (0, 1, 2)]
+
+    """
+    # The length-1 substrings
+    seq = []
+    for item in iter(iterable):
+        seq.append(item)
+        yield (item,)
+    seq = tuple(seq)
+    item_count = len(seq)
+
+    # And the rest
+    for n in range(2, item_count + 1):
+        for i in range(item_count - n + 1):
+            yield seq[i : i + n]
+
+
+def substrings_indexes(seq, reverse=False):
+    """Yield all substrings and their positions in *seq*
+
+    The items yielded will be a tuple of the form ``(substr, i, j)``, where
+    ``substr == seq[i:j]``.
+
+    This function only works for iterables that support slicing, such as
+    ``str`` objects.
+
+    >>> for item in substrings_indexes('more'):
+    ...    print(item)
+    ('m', 0, 1)
+    ('o', 1, 2)
+    ('r', 2, 3)
+    ('e', 3, 4)
+    ('mo', 0, 2)
+    ('or', 1, 3)
+    ('re', 2, 4)
+    ('mor', 0, 3)
+    ('ore', 1, 4)
+    ('more', 0, 4)
+
+    Set *reverse* to ``True`` to yield the same items in the opposite order.
+
+
+    """
+    r = range(1, len(seq) + 1)
+    if reverse:
+        r = reversed(r)
+    return (
+        (seq[i : i + L], i, i + L) for L in r for i in range(len(seq) - L + 1)
+    )
+
+
+class bucket:
+    """Wrap *iterable* and return an object that buckets it iterable into
+    child iterables based on a *key* function.
+
+        >>> iterable = ['a1', 'b1', 'c1', 'a2', 'b2', 'c2', 'b3']
+        >>> s = bucket(iterable, key=lambda x: x[0])  # Bucket by 1st character
+        >>> sorted(list(s))  # Get the keys
+        ['a', 'b', 'c']
+        >>> a_iterable = s['a']
+        >>> next(a_iterable)
+        'a1'
+        >>> next(a_iterable)
+        'a2'
+        >>> list(s['b'])
+        ['b1', 'b2', 'b3']
+
+    The original iterable will be advanced and its items will be cached until
+    they are used by the child iterables. This may require significant storage.
+
+    By default, attempting to select a bucket to which no items belong  will
+    exhaust the iterable and cache all values.
+    If you specify a *validator* function, selected buckets will instead be
+    checked against it.
+
+        >>> from itertools import count
+        >>> it = count(1, 2)  # Infinite sequence of odd numbers
+        >>> key = lambda x: x % 10  # Bucket by last digit
+        >>> validator = lambda x: x in {1, 3, 5, 7, 9}  # Odd digits only
+        >>> s = bucket(it, key=key, validator=validator)
+        >>> 2 in s
+        False
+        >>> list(s[2])
+        []
+
+    """
+
+    def __init__(self, iterable, key, validator=None):
+        self._it = iter(iterable)
+        self._key = key
+        self._cache = defaultdict(deque)
+        self._validator = validator or (lambda x: True)
+
+    def __contains__(self, value):
+        if not self._validator(value):
+            return False
+
+        try:
+            item = next(self[value])
+        except StopIteration:
+            return False
+        else:
+            self._cache[value].appendleft(item)
+
+        return True
+
+    def _get_values(self, value):
+        """
+        Helper to yield items from the parent iterator that match *value*.
+        Items that don't match are stored in the local cache as they
+        are encountered.
+        """
+        while True:
+            # If we've cached some items that match the target value, emit
+            # the first one and evict it from the cache.
+            if self._cache[value]:
+                yield self._cache[value].popleft()
+            # Otherwise we need to advance the parent iterator to search for
+            # a matching item, caching the rest.
+            else:
+                while True:
+                    try:
+                        item = next(self._it)
+                    except StopIteration:
+                        return
+                    item_value = self._key(item)
+                    if item_value == value:
+                        yield item
+                        break
+                    elif self._validator(item_value):
+                        self._cache[item_value].append(item)
+
+    def __iter__(self):
+        for item in self._it:
+            item_value = self._key(item)
+            if self._validator(item_value):
+                self._cache[item_value].append(item)
+
+        yield from self._cache.keys()
+
+    def __getitem__(self, value):
+        if not self._validator(value):
+            return iter(())
+
+        return self._get_values(value)
+
+
+def spy(iterable, n=1):
+    """Return a 2-tuple with a list containing the first *n* elements of
+    *iterable*, and an iterator with the same items as *iterable*.
+    This allows you to "look ahead" at the items in the iterable without
+    advancing it.
+
+    There is one item in the list by default:
+
+        >>> iterable = 'abcdefg'
+        >>> head, iterable = spy(iterable)
+        >>> head
+        ['a']
+        >>> list(iterable)
+        ['a', 'b', 'c', 'd', 'e', 'f', 'g']
+
+    You may use unpacking to retrieve items instead of lists:
+
+        >>> (head,), iterable = spy('abcdefg')
+        >>> head
+        'a'
+        >>> (first, second), iterable = spy('abcdefg', 2)
+        >>> first
+        'a'
+        >>> second
+        'b'
+
+    The number of items requested can be larger than the number of items in
+    the iterable:
+
+        >>> iterable = [1, 2, 3, 4, 5]
+        >>> head, iterable = spy(iterable, 10)
+        >>> head
+        [1, 2, 3, 4, 5]
+        >>> list(iterable)
+        [1, 2, 3, 4, 5]
+
+    """
+    it = iter(iterable)
+    head = take(n, it)
+
+    return head.copy(), chain(head, it)
+
+
+def interleave(*iterables):
+    """Return a new iterable yielding from each iterable in turn,
+    until the shortest is exhausted.
+
+        >>> list(interleave([1, 2, 3], [4, 5], [6, 7, 8]))
+        [1, 4, 6, 2, 5, 7]
+
+    For a version that doesn't terminate after the shortest iterable is
+    exhausted, see :func:`interleave_longest`.
+
+    """
+    return chain.from_iterable(zip(*iterables))
+
+
+def interleave_longest(*iterables):
+    """Return a new iterable yielding from each iterable in turn,
+    skipping any that are exhausted.
+
+        >>> list(interleave_longest([1, 2, 3], [4, 5], [6, 7, 8]))
+        [1, 4, 6, 2, 5, 7, 3, 8]
+
+    This function produces the same output as :func:`roundrobin`, but may
+    perform better for some inputs (in particular when the number of iterables
+    is large).
+
+    """
+    i = chain.from_iterable(zip_longest(*iterables, fillvalue=_marker))
+    return (x for x in i if x is not _marker)
+
+
+def collapse(iterable, base_type=None, levels=None):
+    """Flatten an iterable with multiple levels of nesting (e.g., a list of
+    lists of tuples) into non-iterable types.
+
+        >>> iterable = [(1, 2), ([3, 4], [[5], [6]])]
+        >>> list(collapse(iterable))
+        [1, 2, 3, 4, 5, 6]
+
+    Binary and text strings are not considered iterable and
+    will not be collapsed.
+
+    To avoid collapsing other types, specify *base_type*:
+
+        >>> iterable = ['ab', ('cd', 'ef'), ['gh', 'ij']]
+        >>> list(collapse(iterable, base_type=tuple))
+        ['ab', ('cd', 'ef'), 'gh', 'ij']
+
+    Specify *levels* to stop flattening after a certain level:
+
+    >>> iterable = [('a', ['b']), ('c', ['d'])]
+    >>> list(collapse(iterable))  # Fully flattened
+    ['a', 'b', 'c', 'd']
+    >>> list(collapse(iterable, levels=1))  # Only one level flattened
+    ['a', ['b'], 'c', ['d']]
+
+    """
+
+    def walk(node, level):
+        if (
+            ((levels is not None) and (level > levels))
+            or isinstance(node, (str, bytes))
+            or ((base_type is not None) and isinstance(node, base_type))
+        ):
+            yield node
+            return
+
+        try:
+            tree = iter(node)
+        except TypeError:
+            yield node
+            return
+        else:
+            for child in tree:
+                yield from walk(child, level + 1)
+
+    yield from walk(iterable, 0)
+
+
+def side_effect(func, iterable, chunk_size=None, before=None, after=None):
+    """Invoke *func* on each item in *iterable* (or on each *chunk_size* group
+    of items) before yielding the item.
+
+    `func` must be a function that takes a single argument. Its return value
+    will be discarded.
+
+    *before* and *after* are optional functions that take no arguments. They
+    will be executed before iteration starts and after it ends, respectively.
+
+    `side_effect` can be used for logging, updating progress bars, or anything
+    that is not functionally "pure."
+
+    Emitting a status message:
+
+        >>> from more_itertools import consume
+        >>> func = lambda item: print('Received {}'.format(item))
+        >>> consume(side_effect(func, range(2)))
+        Received 0
+        Received 1
+
+    Operating on chunks of items:
+
+        >>> pair_sums = []
+        >>> func = lambda chunk: pair_sums.append(sum(chunk))
+        >>> list(side_effect(func, [0, 1, 2, 3, 4, 5], 2))
+        [0, 1, 2, 3, 4, 5]
+        >>> list(pair_sums)
+        [1, 5, 9]
+
+    Writing to a file-like object:
+
+        >>> from io import StringIO
+        >>> from more_itertools import consume
+        >>> f = StringIO()
+        >>> func = lambda x: print(x, file=f)
+        >>> before = lambda: print(u'HEADER', file=f)
+        >>> after = f.close
+        >>> it = [u'a', u'b', u'c']
+        >>> consume(side_effect(func, it, before=before, after=after))
+        >>> f.closed
+        True
+
+    """
+    try:
+        if before is not None:
+            before()
+
+        if chunk_size is None:
+            for item in iterable:
+                func(item)
+                yield item
+        else:
+            for chunk in chunked(iterable, chunk_size):
+                func(chunk)
+                yield from chunk
+    finally:
+        if after is not None:
+            after()
+
+
+def sliced(seq, n, strict=False):
+    """Yield slices of length *n* from the sequence *seq*.
+
+    >>> list(sliced((1, 2, 3, 4, 5, 6), 3))
+    [(1, 2, 3), (4, 5, 6)]
+
+    By the default, the last yielded slice will have fewer than *n* elements
+    if the length of *seq* is not divisible by *n*:
+
+    >>> list(sliced((1, 2, 3, 4, 5, 6, 7, 8), 3))
+    [(1, 2, 3), (4, 5, 6), (7, 8)]
+
+    If the length of *seq* is not divisible by *n* and *strict* is
+    ``True``, then ``ValueError`` will be raised before the last
+    slice is yielded.
+
+    This function will only work for iterables that support slicing.
+    For non-sliceable iterables, see :func:`chunked`.
+
+    """
+    iterator = takewhile(len, (seq[i : i + n] for i in count(0, n)))
+    if strict:
+
+        def ret():
+            for _slice in iterator:
+                if len(_slice) != n:
+                    raise ValueError("seq is not divisible by n.")
+                yield _slice
+
+        return iter(ret())
+    else:
+        return iterator
+
+
+def split_at(iterable, pred, maxsplit=-1, keep_separator=False):
+    """Yield lists of items from *iterable*, where each list is delimited by
+    an item where callable *pred* returns ``True``.
+
+        >>> list(split_at('abcdcba', lambda x: x == 'b'))
+        [['a'], ['c', 'd', 'c'], ['a']]
+
+        >>> list(split_at(range(10), lambda n: n % 2 == 1))
+        [[0], [2], [4], [6], [8], []]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_at(range(10), lambda n: n % 2 == 1, maxsplit=2))
+        [[0], [2], [4, 5, 6, 7, 8, 9]]
+
+    By default, the delimiting items are not included in the output.
+    The include them, set *keep_separator* to ``True``.
+
+        >>> list(split_at('abcdcba', lambda x: x == 'b', keep_separator=True))
+        [['a'], ['b'], ['c', 'd', 'c'], ['b'], ['a']]
+
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    buf = []
+    it = iter(iterable)
+    for item in it:
+        if pred(item):
+            yield buf
+            if keep_separator:
+                yield [item]
+            if maxsplit == 1:
+                yield list(it)
+                return
+            buf = []
+            maxsplit -= 1
+        else:
+            buf.append(item)
+    yield buf
+
+
+def split_before(iterable, pred, maxsplit=-1):
+    """Yield lists of items from *iterable*, where each list ends just before
+    an item for which callable *pred* returns ``True``:
+
+        >>> list(split_before('OneTwo', lambda s: s.isupper()))
+        [['O', 'n', 'e'], ['T', 'w', 'o']]
+
+        >>> list(split_before(range(10), lambda n: n % 3 == 0))
+        [[0, 1, 2], [3, 4, 5], [6, 7, 8], [9]]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_before(range(10), lambda n: n % 3 == 0, maxsplit=2))
+        [[0, 1, 2], [3, 4, 5], [6, 7, 8, 9]]
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    buf = []
+    it = iter(iterable)
+    for item in it:
+        if pred(item) and buf:
+            yield buf
+            if maxsplit == 1:
+                yield [item] + list(it)
+                return
+            buf = []
+            maxsplit -= 1
+        buf.append(item)
+    if buf:
+        yield buf
+
+
+def split_after(iterable, pred, maxsplit=-1):
+    """Yield lists of items from *iterable*, where each list ends with an
+    item where callable *pred* returns ``True``:
+
+        >>> list(split_after('one1two2', lambda s: s.isdigit()))
+        [['o', 'n', 'e', '1'], ['t', 'w', 'o', '2']]
+
+        >>> list(split_after(range(10), lambda n: n % 3 == 0))
+        [[0], [1, 2, 3], [4, 5, 6], [7, 8, 9]]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_after(range(10), lambda n: n % 3 == 0, maxsplit=2))
+        [[0], [1, 2, 3], [4, 5, 6, 7, 8, 9]]
+
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    buf = []
+    it = iter(iterable)
+    for item in it:
+        buf.append(item)
+        if pred(item) and buf:
+            yield buf
+            if maxsplit == 1:
+                yield list(it)
+                return
+            buf = []
+            maxsplit -= 1
+    if buf:
+        yield buf
+
+
+def split_when(iterable, pred, maxsplit=-1):
+    """Split *iterable* into pieces based on the output of *pred*.
+    *pred* should be a function that takes successive pairs of items and
+    returns ``True`` if the iterable should be split in between them.
+
+    For example, to find runs of increasing numbers, split the iterable when
+    element ``i`` is larger than element ``i + 1``:
+
+        >>> list(split_when([1, 2, 3, 3, 2, 5, 2, 4, 2], lambda x, y: x > y))
+        [[1, 2, 3, 3], [2, 5], [2, 4], [2]]
+
+    At most *maxsplit* splits are done. If *maxsplit* is not specified or -1,
+    then there is no limit on the number of splits:
+
+        >>> list(split_when([1, 2, 3, 3, 2, 5, 2, 4, 2],
+        ...                 lambda x, y: x > y, maxsplit=2))
+        [[1, 2, 3, 3], [2, 5], [2, 4, 2]]
+
+    """
+    if maxsplit == 0:
+        yield list(iterable)
+        return
+
+    it = iter(iterable)
+    try:
+        cur_item = next(it)
+    except StopIteration:
+        return
+
+    buf = [cur_item]
+    for next_item in it:
+        if pred(cur_item, next_item):
+            yield buf
+            if maxsplit == 1:
+                yield [next_item] + list(it)
+                return
+            buf = []
+            maxsplit -= 1
+
+        buf.append(next_item)
+        cur_item = next_item
+
+    yield buf
+
+
+def split_into(iterable, sizes):
+    """Yield a list of sequential items from *iterable* of length 'n' for each
+    integer 'n' in *sizes*.
+
+        >>> list(split_into([1,2,3,4,5,6], [1,2,3]))
+        [[1], [2, 3], [4, 5, 6]]
+
+    If the sum of *sizes* is smaller than the length of *iterable*, then the
+    remaining items of *iterable* will not be returned.
+
+        >>> list(split_into([1,2,3,4,5,6], [2,3]))
+        [[1, 2], [3, 4, 5]]
+
+    If the sum of *sizes* is larger than the length of *iterable*, fewer items
+    will be returned in the iteration that overruns *iterable* and further
+    lists will be empty:
+
+        >>> list(split_into([1,2,3,4], [1,2,3,4]))
+        [[1], [2, 3], [4], []]
+
+    When a ``None`` object is encountered in *sizes*, the returned list will
+    contain items up to the end of *iterable* the same way that itertools.slice
+    does:
+
+        >>> list(split_into([1,2,3,4,5,6,7,8,9,0], [2,3,None]))
+        [[1, 2], [3, 4, 5], [6, 7, 8, 9, 0]]
+
+    :func:`split_into` can be useful for grouping a series of items where the
+    sizes of the groups are not uniform. An example would be where in a row
+    from a table, multiple columns represent elements of the same feature
+    (e.g. a point represented by x,y,z) but, the format is not the same for
+    all columns.
+    """
+    # convert the iterable argument into an iterator so its contents can
+    # be consumed by islice in case it is a generator
+    it = iter(iterable)
+
+    for size in sizes:
+        if size is None:
+            yield list(it)
+            return
+        else:
+            yield list(islice(it, size))
+
+
+def padded(iterable, fillvalue=None, n=None, next_multiple=False):
+    """Yield the elements from *iterable*, followed by *fillvalue*, such that
+    at least *n* items are emitted.
+
+        >>> list(padded([1, 2, 3], '?', 5))
+        [1, 2, 3, '?', '?']
+
+    If *next_multiple* is ``True``, *fillvalue* will be emitted until the
+    number of items emitted is a multiple of *n*::
+
+        >>> list(padded([1, 2, 3, 4], n=3, next_multiple=True))
+        [1, 2, 3, 4, None, None]
+
+    If *n* is ``None``, *fillvalue* will be emitted indefinitely.
+
+    """
+    it = iter(iterable)
+    if n is None:
+        yield from chain(it, repeat(fillvalue))
+    elif n < 1:
+        raise ValueError('n must be at least 1')
+    else:
+        item_count = 0
+        for item in it:
+            yield item
+            item_count += 1
+
+        remaining = (n - item_count) % n if next_multiple else n - item_count
+        for _ in range(remaining):
+            yield fillvalue
+
+
+def repeat_last(iterable, default=None):
+    """After the *iterable* is exhausted, keep yielding its last element.
+
+        >>> list(islice(repeat_last(range(3)), 5))
+        [0, 1, 2, 2, 2]
+
+    If the iterable is empty, yield *default* forever::
+
+        >>> list(islice(repeat_last(range(0), 42), 5))
+        [42, 42, 42, 42, 42]
+
+    """
+    item = _marker
+    for item in iterable:
+        yield item
+    final = default if item is _marker else item
+    yield from repeat(final)
+
+
+def distribute(n, iterable):
+    """Distribute the items from *iterable* among *n* smaller iterables.
+
+        >>> group_1, group_2 = distribute(2, [1, 2, 3, 4, 5, 6])
+        >>> list(group_1)
+        [1, 3, 5]
+        >>> list(group_2)
+        [2, 4, 6]
+
+    If the length of *iterable* is not evenly divisible by *n*, then the
+    length of the returned iterables will not be identical:
+
+        >>> children = distribute(3, [1, 2, 3, 4, 5, 6, 7])
+        >>> [list(c) for c in children]
+        [[1, 4, 7], [2, 5], [3, 6]]
+
+    If the length of *iterable* is smaller than *n*, then the last returned
+    iterables will be empty:
+
+        >>> children = distribute(5, [1, 2, 3])
+        >>> [list(c) for c in children]
+        [[1], [2], [3], [], []]
+
+    This function uses :func:`itertools.tee` and may require significant
+    storage. If you need the order items in the smaller iterables to match the
+    original iterable, see :func:`divide`.
+
+    """
+    if n < 1:
+        raise ValueError('n must be at least 1')
+
+    children = tee(iterable, n)
+    return [islice(it, index, None, n) for index, it in enumerate(children)]
+
+
+def stagger(iterable, offsets=(-1, 0, 1), longest=False, fillvalue=None):
+    """Yield tuples whose elements are offset from *iterable*.
+    The amount by which the `i`-th item in each tuple is offset is given by
+    the `i`-th item in *offsets*.
+
+        >>> list(stagger([0, 1, 2, 3]))
+        [(None, 0, 1), (0, 1, 2), (1, 2, 3)]
+        >>> list(stagger(range(8), offsets=(0, 2, 4)))
+        [(0, 2, 4), (1, 3, 5), (2, 4, 6), (3, 5, 7)]
+
+    By default, the sequence will end when the final element of a tuple is the
+    last item in the iterable. To continue until the first element of a tuple
+    is the last item in the iterable, set *longest* to ``True``::
+
+        >>> list(stagger([0, 1, 2, 3], longest=True))
+        [(None, 0, 1), (0, 1, 2), (1, 2, 3), (2, 3, None), (3, None, None)]
+
+    By default, ``None`` will be used to replace offsets beyond the end of the
+    sequence. Specify *fillvalue* to use some other value.
+
+    """
+    children = tee(iterable, len(offsets))
+
+    return zip_offset(
+        *children, offsets=offsets, longest=longest, fillvalue=fillvalue
+    )
+
+
+class UnequalIterablesError(ValueError):
+    def __init__(self, details=None):
+        msg = 'Iterables have different lengths'
+        if details is not None:
+            msg += (': index 0 has length {}; index {} has length {}').format(
+                *details
+            )
+
+        super().__init__(msg)
+
+
+def _zip_equal_generator(iterables):
+    for combo in zip_longest(*iterables, fillvalue=_marker):
+        for val in combo:
+            if val is _marker:
+                raise UnequalIterablesError()
+        yield combo
+
+
+def zip_equal(*iterables):
+    """``zip`` the input *iterables* together, but raise
+    ``UnequalIterablesError`` if they aren't all the same length.
+
+        >>> it_1 = range(3)
+        >>> it_2 = iter('abc')
+        >>> list(zip_equal(it_1, it_2))
+        [(0, 'a'), (1, 'b'), (2, 'c')]
+
+        >>> it_1 = range(3)
+        >>> it_2 = iter('abcd')
+        >>> list(zip_equal(it_1, it_2)) # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        ...
+        more_itertools.more.UnequalIterablesError: Iterables have different
+        lengths
+
+    """
+    if hexversion >= 0x30A00A6:
+        warnings.warn(
+            (
+                'zip_equal will be removed in a future version of '
+                'more-itertools. Use the builtin zip function with '
+                'strict=True instead.'
+            ),
+            DeprecationWarning,
+        )
+    # Check whether the iterables are all the same size.
+    try:
+        first_size = len(iterables[0])
+        for i, it in enumerate(iterables[1:], 1):
+            size = len(it)
+            if size != first_size:
+                break
+        else:
+            # If we didn't break out, we can use the built-in zip.
+            return zip(*iterables)
+
+        # If we did break out, there was a mismatch.
+        raise UnequalIterablesError(details=(first_size, i, size))
+    # If any one of the iterables didn't have a length, start reading
+    # them until one runs out.
+    except TypeError:
+        return _zip_equal_generator(iterables)
+
+
+def zip_offset(*iterables, offsets, longest=False, fillvalue=None):
+    """``zip`` the input *iterables* together, but offset the `i`-th iterable
+    by the `i`-th item in *offsets*.
+
+        >>> list(zip_offset('0123', 'abcdef', offsets=(0, 1)))
+        [('0', 'b'), ('1', 'c'), ('2', 'd'), ('3', 'e')]
+
+    This can be used as a lightweight alternative to SciPy or pandas to analyze
+    data sets in which some series have a lead or lag relationship.
+
+    By default, the sequence will end when the shortest iterable is exhausted.
+    To continue until the longest iterable is exhausted, set *longest* to
+    ``True``.
+
+        >>> list(zip_offset('0123', 'abcdef', offsets=(0, 1), longest=True))
+        [('0', 'b'), ('1', 'c'), ('2', 'd'), ('3', 'e'), (None, 'f')]
+
+    By default, ``None`` will be used to replace offsets beyond the end of the
+    sequence. Specify *fillvalue* to use some other value.
+
+    """
+    if len(iterables) != len(offsets):
+        raise ValueError("Number of iterables and offsets didn't match")
+
+    staggered = []
+    for it, n in zip(iterables, offsets):
+        if n < 0:
+            staggered.append(chain(repeat(fillvalue, -n), it))
+        elif n > 0:
+            staggered.append(islice(it, n, None))
+        else:
+            staggered.append(it)
+
+    if longest:
+        return zip_longest(*staggered, fillvalue=fillvalue)
+
+    return zip(*staggered)
+
+
+def sort_together(iterables, key_list=(0,), key=None, reverse=False):
+    """Return the input iterables sorted together, with *key_list* as the
+    priority for sorting. All iterables are trimmed to the length of the
+    shortest one.
+
+    This can be used like the sorting function in a spreadsheet. If each
+    iterable represents a column of data, the key list determines which
+    columns are used for sorting.
+
+    By default, all iterables are sorted using the ``0``-th iterable::
+
+        >>> iterables = [(4, 3, 2, 1), ('a', 'b', 'c', 'd')]
+        >>> sort_together(iterables)
+        [(1, 2, 3, 4), ('d', 'c', 'b', 'a')]
+
+    Set a different key list to sort according to another iterable.
+    Specifying multiple keys dictates how ties are broken::
+
+        >>> iterables = [(3, 1, 2), (0, 1, 0), ('c', 'b', 'a')]
+        >>> sort_together(iterables, key_list=(1, 2))
+        [(2, 3, 1), (0, 0, 1), ('a', 'c', 'b')]
+
+    To sort by a function of the elements of the iterable, pass a *key*
+    function. Its arguments are the elements of the iterables corresponding to
+    the key list::
+
+        >>> names = ('a', 'b', 'c')
+        >>> lengths = (1, 2, 3)
+        >>> widths = (5, 2, 1)
+        >>> def area(length, width):
+        ...     return length * width
+        >>> sort_together([names, lengths, widths], key_list=(1, 2), key=area)
+        [('c', 'b', 'a'), (3, 2, 1), (1, 2, 5)]
+
+    Set *reverse* to ``True`` to sort in descending order.
+
+        >>> sort_together([(1, 2, 3), ('c', 'b', 'a')], reverse=True)
+        [(3, 2, 1), ('a', 'b', 'c')]
+
+    """
+    if key is None:
+        # if there is no key function, the key argument to sorted is an
+        # itemgetter
+        key_argument = itemgetter(*key_list)
+    else:
+        # if there is a key function, call it with the items at the offsets
+        # specified by the key function as arguments
+        key_list = list(key_list)
+        if len(key_list) == 1:
+            # if key_list contains a single item, pass the item at that offset
+            # as the only argument to the key function
+            key_offset = key_list[0]
+            key_argument = lambda zipped_items: key(zipped_items[key_offset])
+        else:
+            # if key_list contains multiple items, use itemgetter to return a
+            # tuple of items, which we pass as *args to the key function
+            get_key_items = itemgetter(*key_list)
+            key_argument = lambda zipped_items: key(
+                *get_key_items(zipped_items)
+            )
+
+    return list(
+        zip(*sorted(zip(*iterables), key=key_argument, reverse=reverse))
+    )
+
+
+def unzip(iterable):
+    """The inverse of :func:`zip`, this function disaggregates the elements
+    of the zipped *iterable*.
+
+    The ``i``-th iterable contains the ``i``-th element from each element
+    of the zipped iterable. The first element is used to to determine the
+    length of the remaining elements.
+
+        >>> iterable = [('a', 1), ('b', 2), ('c', 3), ('d', 4)]
+        >>> letters, numbers = unzip(iterable)
+        >>> list(letters)
+        ['a', 'b', 'c', 'd']
+        >>> list(numbers)
+        [1, 2, 3, 4]
+
+    This is similar to using ``zip(*iterable)``, but it avoids reading
+    *iterable* into memory. Note, however, that this function uses
+    :func:`itertools.tee` and thus may require significant storage.
+
+    """
+    head, iterable = spy(iter(iterable))
+    if not head:
+        # empty iterable, e.g. zip([], [], [])
+        return ()
+    # spy returns a one-length iterable as head
+    head = head[0]
+    iterables = tee(iterable, len(head))
+
+    def itemgetter(i):
+        def getter(obj):
+            try:
+                return obj[i]
+            except IndexError:
+                # basically if we have an iterable like
+                # iter([(1, 2, 3), (4, 5), (6,)])
+                # the second unzipped iterable would fail at the third tuple
+                # since it would try to access tup[1]
+                # same with the third unzipped iterable and the second tuple
+                # to support these "improperly zipped" iterables,
+                # we create a custom itemgetter
+                # which just stops the unzipped iterables
+                # at first length mismatch
+                raise StopIteration
+
+        return getter
+
+    return tuple(map(itemgetter(i), it) for i, it in enumerate(iterables))
+
+
+def divide(n, iterable):
+    """Divide the elements from *iterable* into *n* parts, maintaining
+    order.
+
+        >>> group_1, group_2 = divide(2, [1, 2, 3, 4, 5, 6])
+        >>> list(group_1)
+        [1, 2, 3]
+        >>> list(group_2)
+        [4, 5, 6]
+
+    If the length of *iterable* is not evenly divisible by *n*, then the
+    length of the returned iterables will not be identical:
+
+        >>> children = divide(3, [1, 2, 3, 4, 5, 6, 7])
+        >>> [list(c) for c in children]
+        [[1, 2, 3], [4, 5], [6, 7]]
+
+    If the length of the iterable is smaller than n, then the last returned
+    iterables will be empty:
+
+        >>> children = divide(5, [1, 2, 3])
+        >>> [list(c) for c in children]
+        [[1], [2], [3], [], []]
+
+    This function will exhaust the iterable before returning and may require
+    significant storage. If order is not important, see :func:`distribute`,
+    which does not first pull the iterable into memory.
+
+    """
+    if n < 1:
+        raise ValueError('n must be at least 1')
+
+    try:
+        iterable[:0]
+    except TypeError:
+        seq = tuple(iterable)
+    else:
+        seq = iterable
+
+    q, r = divmod(len(seq), n)
+
+    ret = []
+    stop = 0
+    for i in range(1, n + 1):
+        start = stop
+        stop += q + 1 if i <= r else q
+        ret.append(iter(seq[start:stop]))
+
+    return ret
+
+
+def always_iterable(obj, base_type=(str, bytes)):
+    """If *obj* is iterable, return an iterator over its items::
+
+        >>> obj = (1, 2, 3)
+        >>> list(always_iterable(obj))
+        [1, 2, 3]
+
+    If *obj* is not iterable, return a one-item iterable containing *obj*::
+
+        >>> obj = 1
+        >>> list(always_iterable(obj))
+        [1]
+
+    If *obj* is ``None``, return an empty iterable:
+
+        >>> obj = None
+        >>> list(always_iterable(None))
+        []
+
+    By default, binary and text strings are not considered iterable::
+
+        >>> obj = 'foo'
+        >>> list(always_iterable(obj))
+        ['foo']
+
+    If *base_type* is set, objects for which ``isinstance(obj, base_type)``
+    returns ``True`` won't be considered iterable.
+
+        >>> obj = {'a': 1}
+        >>> list(always_iterable(obj))  # Iterate over the dict's keys
+        ['a']
+        >>> list(always_iterable(obj, base_type=dict))  # Treat dicts as a unit
+        [{'a': 1}]
+
+    Set *base_type* to ``None`` to avoid any special handling and treat objects
+    Python considers iterable as iterable:
+
+        >>> obj = 'foo'
+        >>> list(always_iterable(obj, base_type=None))
+        ['f', 'o', 'o']
+    """
+    if obj is None:
+        return iter(())
+
+    if (base_type is not None) and isinstance(obj, base_type):
+        return iter((obj,))
+
+    try:
+        return iter(obj)
+    except TypeError:
+        return iter((obj,))
+
+
+def adjacent(predicate, iterable, distance=1):
+    """Return an iterable over `(bool, item)` tuples where the `item` is
+    drawn from *iterable* and the `bool` indicates whether
+    that item satisfies the *predicate* or is adjacent to an item that does.
+
+    For example, to find whether items are adjacent to a ``3``::
+
+        >>> list(adjacent(lambda x: x == 3, range(6)))
+        [(False, 0), (False, 1), (True, 2), (True, 3), (True, 4), (False, 5)]
+
+    Set *distance* to change what counts as adjacent. For example, to find
+    whether items are two places away from a ``3``:
+
+        >>> list(adjacent(lambda x: x == 3, range(6), distance=2))
+        [(False, 0), (True, 1), (True, 2), (True, 3), (True, 4), (True, 5)]
+
+    This is useful for contextualizing the results of a search function.
+    For example, a code comparison tool might want to identify lines that
+    have changed, but also surrounding lines to give the viewer of the diff
+    context.
+
+    The predicate function will only be called once for each item in the
+    iterable.
+
+    See also :func:`groupby_transform`, which can be used with this function
+    to group ranges of items with the same `bool` value.
+
+    """
+    # Allow distance=0 mainly for testing that it reproduces results with map()
+    if distance < 0:
+        raise ValueError('distance must be at least 0')
+
+    i1, i2 = tee(iterable)
+    padding = [False] * distance
+    selected = chain(padding, map(predicate, i1), padding)
+    adjacent_to_selected = map(any, windowed(selected, 2 * distance + 1))
+    return zip(adjacent_to_selected, i2)
+
+
+def groupby_transform(iterable, keyfunc=None, valuefunc=None, reducefunc=None):
+    """An extension of :func:`itertools.groupby` that can apply transformations
+    to the grouped data.
+
+    * *keyfunc* is a function computing a key value for each item in *iterable*
+    * *valuefunc* is a function that transforms the individual items from
+      *iterable* after grouping
+    * *reducefunc* is a function that transforms each group of items
+
+    >>> iterable = 'aAAbBBcCC'
+    >>> keyfunc = lambda k: k.upper()
+    >>> valuefunc = lambda v: v.lower()
+    >>> reducefunc = lambda g: ''.join(g)
+    >>> list(groupby_transform(iterable, keyfunc, valuefunc, reducefunc))
+    [('A', 'aaa'), ('B', 'bbb'), ('C', 'ccc')]
+
+    Each optional argument defaults to an identity function if not specified.
+
+    :func:`groupby_transform` is useful when grouping elements of an iterable
+    using a separate iterable as the key. To do this, :func:`zip` the iterables
+    and pass a *keyfunc* that extracts the first element and a *valuefunc*
+    that extracts the second element::
+
+        >>> from operator import itemgetter
+        >>> keys = [0, 0, 1, 1, 1, 2, 2, 2, 3]
+        >>> values = 'abcdefghi'
+        >>> iterable = zip(keys, values)
+        >>> grouper = groupby_transform(iterable, itemgetter(0), itemgetter(1))
+        >>> [(k, ''.join(g)) for k, g in grouper]
+        [(0, 'ab'), (1, 'cde'), (2, 'fgh'), (3, 'i')]
+
+    Note that the order of items in the iterable is significant.
+    Only adjacent items are grouped together, so if you don't want any
+    duplicate groups, you should sort the iterable by the key function.
+
+    """
+    ret = groupby(iterable, keyfunc)
+    if valuefunc:
+        ret = ((k, map(valuefunc, g)) for k, g in ret)
+    if reducefunc:
+        ret = ((k, reducefunc(g)) for k, g in ret)
+
+    return ret
+
+
+class numeric_range(abc.Sequence, abc.Hashable):
+    """An extension of the built-in ``range()`` function whose arguments can
+    be any orderable numeric type.
+
+    With only *stop* specified, *start* defaults to ``0`` and *step*
+    defaults to ``1``. The output items will match the type of *stop*:
+
+        >>> list(numeric_range(3.5))
+        [0.0, 1.0, 2.0, 3.0]
+
+    With only *start* and *stop* specified, *step* defaults to ``1``. The
+    output items will match the type of *start*:
+
+        >>> from decimal import Decimal
+        >>> start = Decimal('2.1')
+        >>> stop = Decimal('5.1')
+        >>> list(numeric_range(start, stop))
+        [Decimal('2.1'), Decimal('3.1'), Decimal('4.1')]
+
+    With *start*, *stop*, and *step*  specified the output items will match
+    the type of ``start + step``:
+
+        >>> from fractions import Fraction
+        >>> start = Fraction(1, 2)  # Start at 1/2
+        >>> stop = Fraction(5, 2)  # End at 5/2
+        >>> step = Fraction(1, 2)  # Count by 1/2
+        >>> list(numeric_range(start, stop, step))
+        [Fraction(1, 2), Fraction(1, 1), Fraction(3, 2), Fraction(2, 1)]
+
+    If *step* is zero, ``ValueError`` is raised. Negative steps are supported:
+
+        >>> list(numeric_range(3, -1, -1.0))
+        [3.0, 2.0, 1.0, 0.0]
+
+    Be aware of the limitations of floating point numbers; the representation
+    of the yielded numbers may be surprising.
+
+    ``datetime.datetime`` objects can be used for *start* and *stop*, if *step*
+    is a ``datetime.timedelta`` object:
+
+        >>> import datetime
+        >>> start = datetime.datetime(2019, 1, 1)
+        >>> stop = datetime.datetime(2019, 1, 3)
+        >>> step = datetime.timedelta(days=1)
+        >>> items = iter(numeric_range(start, stop, step))
+        >>> next(items)
+        datetime.datetime(2019, 1, 1, 0, 0)
+        >>> next(items)
+        datetime.datetime(2019, 1, 2, 0, 0)
+
+    """
+
+    _EMPTY_HASH = hash(range(0, 0))
+
+    def __init__(self, *args):
+        argc = len(args)
+        if argc == 1:
+            (self._stop,) = args
+            self._start = type(self._stop)(0)
+            self._step = type(self._stop - self._start)(1)
+        elif argc == 2:
+            self._start, self._stop = args
+            self._step = type(self._stop - self._start)(1)
+        elif argc == 3:
+            self._start, self._stop, self._step = args
+        elif argc == 0:
+            raise TypeError(
+                'numeric_range expected at least '
+                '1 argument, got {}'.format(argc)
+            )
+        else:
+            raise TypeError(
+                'numeric_range expected at most '
+                '3 arguments, got {}'.format(argc)
+            )
+
+        self._zero = type(self._step)(0)
+        if self._step == self._zero:
+            raise ValueError('numeric_range() arg 3 must not be zero')
+        self._growing = self._step > self._zero
+        self._init_len()
+
+    def __bool__(self):
+        if self._growing:
+            return self._start < self._stop
+        else:
+            return self._start > self._stop
+
+    def __contains__(self, elem):
+        if self._growing:
+            if self._start <= elem < self._stop:
+                return (elem - self._start) % self._step == self._zero
+        else:
+            if self._start >= elem > self._stop:
+                return (self._start - elem) % (-self._step) == self._zero
+
+        return False
+
+    def __eq__(self, other):
+        if isinstance(other, numeric_range):
+            empty_self = not bool(self)
+            empty_other = not bool(other)
+            if empty_self or empty_other:
+                return empty_self and empty_other  # True if both empty
+            else:
+                return (
+                    self._start == other._start
+                    and self._step == other._step
+                    and self._get_by_index(-1) == other._get_by_index(-1)
+                )
+        else:
+            return False
+
+    def __getitem__(self, key):
+        if isinstance(key, int):
+            return self._get_by_index(key)
+        elif isinstance(key, slice):
+            step = self._step if key.step is None else key.step * self._step
+
+            if key.start is None or key.start <= -self._len:
+                start = self._start
+            elif key.start >= self._len:
+                start = self._stop
+            else:  # -self._len < key.start < self._len
+                start = self._get_by_index(key.start)
+
+            if key.stop is None or key.stop >= self._len:
+                stop = self._stop
+            elif key.stop <= -self._len:
+                stop = self._start
+            else:  # -self._len < key.stop < self._len
+                stop = self._get_by_index(key.stop)
+
+            return numeric_range(start, stop, step)
+        else:
+            raise TypeError(
+                'numeric range indices must be '
+                'integers or slices, not {}'.format(type(key).__name__)
+            )
+
+    def __hash__(self):
+        if self:
+            return hash((self._start, self._get_by_index(-1), self._step))
+        else:
+            return self._EMPTY_HASH
+
+    def __iter__(self):
+        values = (self._start + (n * self._step) for n in count())
+        if self._growing:
+            return takewhile(partial(gt, self._stop), values)
+        else:
+            return takewhile(partial(lt, self._stop), values)
+
+    def __len__(self):
+        return self._len
+
+    def _init_len(self):
+        if self._growing:
+            start = self._start
+            stop = self._stop
+            step = self._step
+        else:
+            start = self._stop
+            stop = self._start
+            step = -self._step
+        distance = stop - start
+        if distance <= self._zero:
+            self._len = 0
+        else:  # distance > 0 and step > 0: regular euclidean division
+            q, r = divmod(distance, step)
+            self._len = int(q) + int(r != self._zero)
+
+    def __reduce__(self):
+        return numeric_range, (self._start, self._stop, self._step)
+
+    def __repr__(self):
+        if self._step == 1:
+            return "numeric_range({}, {})".format(
+                repr(self._start), repr(self._stop)
+            )
+        else:
+            return "numeric_range({}, {}, {})".format(
+                repr(self._start), repr(self._stop), repr(self._step)
+            )
+
+    def __reversed__(self):
+        return iter(
+            numeric_range(
+                self._get_by_index(-1), self._start - self._step, -self._step
+            )
+        )
+
+    def count(self, value):
+        return int(value in self)
+
+    def index(self, value):
+        if self._growing:
+            if self._start <= value < self._stop:
+                q, r = divmod(value - self._start, self._step)
+                if r == self._zero:
+                    return int(q)
+        else:
+            if self._start >= value > self._stop:
+                q, r = divmod(self._start - value, -self._step)
+                if r == self._zero:
+                    return int(q)
+
+        raise ValueError("{} is not in numeric range".format(value))
+
+    def _get_by_index(self, i):
+        if i < 0:
+            i += self._len
+        if i < 0 or i >= self._len:
+            raise IndexError("numeric range object index out of range")
+        return self._start + i * self._step
+
+
+def count_cycle(iterable, n=None):
+    """Cycle through the items from *iterable* up to *n* times, yielding
+    the number of completed cycles along with each item. If *n* is omitted the
+    process repeats indefinitely.
+
+    >>> list(count_cycle('AB', 3))
+    [(0, 'A'), (0, 'B'), (1, 'A'), (1, 'B'), (2, 'A'), (2, 'B')]
+
+    """
+    iterable = tuple(iterable)
+    if not iterable:
+        return iter(())
+    counter = count() if n is None else range(n)
+    return ((i, item) for i in counter for item in iterable)
+
+
+def mark_ends(iterable):
+    """Yield 3-tuples of the form ``(is_first, is_last, item)``.
+
+    >>> list(mark_ends('ABC'))
+    [(True, False, 'A'), (False, False, 'B'), (False, True, 'C')]
+
+    Use this when looping over an iterable to take special action on its first
+    and/or last items:
+
+    >>> iterable = ['Header', 100, 200, 'Footer']
+    >>> total = 0
+    >>> for is_first, is_last, item in mark_ends(iterable):
+    ...     if is_first:
+    ...         continue  # Skip the header
+    ...     if is_last:
+    ...         continue  # Skip the footer
+    ...     total += item
+    >>> print(total)
+    300
+    """
+    it = iter(iterable)
+
+    try:
+        b = next(it)
+    except StopIteration:
+        return
+
+    try:
+        for i in count():
+            a = b
+            b = next(it)
+            yield i == 0, False, a
+
+    except StopIteration:
+        yield i == 0, True, a
+
+
+def locate(iterable, pred=bool, window_size=None):
+    """Yield the index of each item in *iterable* for which *pred* returns
+    ``True``.
+
+    *pred* defaults to :func:`bool`, which will select truthy items:
+
+        >>> list(locate([0, 1, 1, 0, 1, 0, 0]))
+        [1, 2, 4]
+
+    Set *pred* to a custom function to, e.g., find the indexes for a particular
+    item.
+
+        >>> list(locate(['a', 'b', 'c', 'b'], lambda x: x == 'b'))
+        [1, 3]
+
+    If *window_size* is given, then the *pred* function will be called with
+    that many items. This enables searching for sub-sequences:
+
+        >>> iterable = [0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3]
+        >>> pred = lambda *args: args == (1, 2, 3)
+        >>> list(locate(iterable, pred=pred, window_size=3))
+        [1, 5, 9]
+
+    Use with :func:`seekable` to find indexes and then retrieve the associated
+    items:
+
+        >>> from itertools import count
+        >>> from more_itertools import seekable
+        >>> source = (3 * n + 1 if (n % 2) else n // 2 for n in count())
+        >>> it = seekable(source)
+        >>> pred = lambda x: x > 100
+        >>> indexes = locate(it, pred=pred)
+        >>> i = next(indexes)
+        >>> it.seek(i)
+        >>> next(it)
+        106
+
+    """
+    if window_size is None:
+        return compress(count(), map(pred, iterable))
+
+    if window_size < 1:
+        raise ValueError('window size must be at least 1')
+
+    it = windowed(iterable, window_size, fillvalue=_marker)
+    return compress(count(), starmap(pred, it))
+
+
+def lstrip(iterable, pred):
+    """Yield the items from *iterable*, but strip any from the beginning
+    for which *pred* returns ``True``.
+
+    For example, to remove a set of items from the start of an iterable:
+
+        >>> iterable = (None, False, None, 1, 2, None, 3, False, None)
+        >>> pred = lambda x: x in {None, False, ''}
+        >>> list(lstrip(iterable, pred))
+        [1, 2, None, 3, False, None]
+
+    This function is analogous to to :func:`str.lstrip`, and is essentially
+    an wrapper for :func:`itertools.dropwhile`.
+
+    """
+    return dropwhile(pred, iterable)
+
+
+def rstrip(iterable, pred):
+    """Yield the items from *iterable*, but strip any from the end
+    for which *pred* returns ``True``.
+
+    For example, to remove a set of items from the end of an iterable:
+
+        >>> iterable = (None, False, None, 1, 2, None, 3, False, None)
+        >>> pred = lambda x: x in {None, False, ''}
+        >>> list(rstrip(iterable, pred))
+        [None, False, None, 1, 2, None, 3]
+
+    This function is analogous to :func:`str.rstrip`.
+
+    """
+    cache = []
+    cache_append = cache.append
+    cache_clear = cache.clear
+    for x in iterable:
+        if pred(x):
+            cache_append(x)
+        else:
+            yield from cache
+            cache_clear()
+            yield x
+
+
+def strip(iterable, pred):
+    """Yield the items from *iterable*, but strip any from the
+    beginning and end for which *pred* returns ``True``.
+
+    For example, to remove a set of items from both ends of an iterable:
+
+        >>> iterable = (None, False, None, 1, 2, None, 3, False, None)
+        >>> pred = lambda x: x in {None, False, ''}
+        >>> list(strip(iterable, pred))
+        [1, 2, None, 3]
+
+    This function is analogous to :func:`str.strip`.
+
+    """
+    return rstrip(lstrip(iterable, pred), pred)
+
+
+class islice_extended:
+    """An extension of :func:`itertools.islice` that supports negative values
+    for *stop*, *start*, and *step*.
+
+        >>> iterable = iter('abcdefgh')
+        >>> list(islice_extended(iterable, -4, -1))
+        ['e', 'f', 'g']
+
+    Slices with negative values require some caching of *iterable*, but this
+    function takes care to minimize the amount of memory required.
+
+    For example, you can use a negative step with an infinite iterator:
+
+        >>> from itertools import count
+        >>> list(islice_extended(count(), 110, 99, -2))
+        [110, 108, 106, 104, 102, 100]
+
+    You can also use slice notation directly:
+
+        >>> iterable = map(str, count())
+        >>> it = islice_extended(iterable)[10:20:2]
+        >>> list(it)
+        ['10', '12', '14', '16', '18']
+
+    """
+
+    def __init__(self, iterable, *args):
+        it = iter(iterable)
+        if args:
+            self._iterable = _islice_helper(it, slice(*args))
+        else:
+            self._iterable = it
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        return next(self._iterable)
+
+    def __getitem__(self, key):
+        if isinstance(key, slice):
+            return islice_extended(_islice_helper(self._iterable, key))
+
+        raise TypeError('islice_extended.__getitem__ argument must be a slice')
+
+
+def _islice_helper(it, s):
+    start = s.start
+    stop = s.stop
+    if s.step == 0:
+        raise ValueError('step argument must be a non-zero integer or None.')
+    step = s.step or 1
+
+    if step > 0:
+        start = 0 if (start is None) else start
+
+        if start < 0:
+            # Consume all but the last -start items
+            cache = deque(enumerate(it, 1), maxlen=-start)
+            len_iter = cache[-1][0] if cache else 0
+
+            # Adjust start to be positive
+            i = max(len_iter + start, 0)
+
+            # Adjust stop to be positive
+            if stop is None:
+                j = len_iter
+            elif stop >= 0:
+                j = min(stop, len_iter)
+            else:
+                j = max(len_iter + stop, 0)
+
+            # Slice the cache
+            n = j - i
+            if n <= 0:
+                return
+
+            for index, item in islice(cache, 0, n, step):
+                yield item
+        elif (stop is not None) and (stop < 0):
+            # Advance to the start position
+            next(islice(it, start, start), None)
+
+            # When stop is negative, we have to carry -stop items while
+            # iterating
+            cache = deque(islice(it, -stop), maxlen=-stop)
+
+            for index, item in enumerate(it):
+                cached_item = cache.popleft()
+                if index % step == 0:
+                    yield cached_item
+                cache.append(item)
+        else:
+            # When both start and stop are positive we have the normal case
+            yield from islice(it, start, stop, step)
+    else:
+        start = -1 if (start is None) else start
+
+        if (stop is not None) and (stop < 0):
+            # Consume all but the last items
+            n = -stop - 1
+            cache = deque(enumerate(it, 1), maxlen=n)
+            len_iter = cache[-1][0] if cache else 0
+
+            # If start and stop are both negative they are comparable and
+            # we can just slice. Otherwise we can adjust start to be negative
+            # and then slice.
+            if start < 0:
+                i, j = start, stop
+            else:
+                i, j = min(start - len_iter, -1), None
+
+            for index, item in list(cache)[i:j:step]:
+                yield item
+        else:
+            # Advance to the stop position
+            if stop is not None:
+                m = stop + 1
+                next(islice(it, m, m), None)
+
+            # stop is positive, so if start is negative they are not comparable
+            # and we need the rest of the items.
+            if start < 0:
+                i = start
+                n = None
+            # stop is None and start is positive, so we just need items up to
+            # the start index.
+            elif stop is None:
+                i = None
+                n = start + 1
+            # Both stop and start are positive, so they are comparable.
+            else:
+                i = None
+                n = start - stop
+                if n <= 0:
+                    return
+
+            cache = list(islice(it, n))
+
+            yield from cache[i::step]
+
+
+def always_reversible(iterable):
+    """An extension of :func:`reversed` that supports all iterables, not
+    just those which implement the ``Reversible`` or ``Sequence`` protocols.
+
+        >>> print(*always_reversible(x for x in range(3)))
+        2 1 0
+
+    If the iterable is already reversible, this function returns the
+    result of :func:`reversed()`. If the iterable is not reversible,
+    this function will cache the remaining items in the iterable and
+    yield them in reverse order, which may require significant storage.
+    """
+    try:
+        return reversed(iterable)
+    except TypeError:
+        return reversed(list(iterable))
+
+
+def consecutive_groups(iterable, ordering=lambda x: x):
+    """Yield groups of consecutive items using :func:`itertools.groupby`.
+    The *ordering* function determines whether two items are adjacent by
+    returning their position.
+
+    By default, the ordering function is the identity function. This is
+    suitable for finding runs of numbers:
+
+        >>> iterable = [1, 10, 11, 12, 20, 30, 31, 32, 33, 40]
+        >>> for group in consecutive_groups(iterable):
+        ...     print(list(group))
+        [1]
+        [10, 11, 12]
+        [20]
+        [30, 31, 32, 33]
+        [40]
+
+    For finding runs of adjacent letters, try using the :meth:`index` method
+    of a string of letters:
+
+        >>> from string import ascii_lowercase
+        >>> iterable = 'abcdfgilmnop'
+        >>> ordering = ascii_lowercase.index
+        >>> for group in consecutive_groups(iterable, ordering):
+        ...     print(list(group))
+        ['a', 'b', 'c', 'd']
+        ['f', 'g']
+        ['i']
+        ['l', 'm', 'n', 'o', 'p']
+
+    Each group of consecutive items is an iterator that shares it source with
+    *iterable*. When an an output group is advanced, the previous group is
+    no longer available unless its elements are copied (e.g., into a ``list``).
+
+        >>> iterable = [1, 2, 11, 12, 21, 22]
+        >>> saved_groups = []
+        >>> for group in consecutive_groups(iterable):
+        ...     saved_groups.append(list(group))  # Copy group elements
+        >>> saved_groups
+        [[1, 2], [11, 12], [21, 22]]
+
+    """
+    for k, g in groupby(
+        enumerate(iterable), key=lambda x: x[0] - ordering(x[1])
+    ):
+        yield map(itemgetter(1), g)
+
+
+def difference(iterable, func=sub, *, initial=None):
+    """This function is the inverse of :func:`itertools.accumulate`. By default
+    it will compute the first difference of *iterable* using
+    :func:`operator.sub`:
+
+        >>> from itertools import accumulate
+        >>> iterable = accumulate([0, 1, 2, 3, 4])  # produces 0, 1, 3, 6, 10
+        >>> list(difference(iterable))
+        [0, 1, 2, 3, 4]
+
+    *func* defaults to :func:`operator.sub`, but other functions can be
+    specified. They will be applied as follows::
+
+        A, B, C, D, ... --> A, func(B, A), func(C, B), func(D, C), ...
+
+    For example, to do progressive division:
+
+        >>> iterable = [1, 2, 6, 24, 120]
+        >>> func = lambda x, y: x // y
+        >>> list(difference(iterable, func))
+        [1, 2, 3, 4, 5]
+
+    If the *initial* keyword is set, the first element will be skipped when
+    computing successive differences.
+
+        >>> it = [10, 11, 13, 16]  # from accumulate([1, 2, 3], initial=10)
+        >>> list(difference(it, initial=10))
+        [1, 2, 3]
+
+    """
+    a, b = tee(iterable)
+    try:
+        first = [next(b)]
+    except StopIteration:
+        return iter([])
+
+    if initial is not None:
+        first = []
+
+    return chain(first, starmap(func, zip(b, a)))
+
+
+class SequenceView(Sequence):
+    """Return a read-only view of the sequence object *target*.
+
+    :class:`SequenceView` objects are analogous to Python's built-in
+    "dictionary view" types. They provide a dynamic view of a sequence's items,
+    meaning that when the sequence updates, so does the view.
+
+        >>> seq = ['0', '1', '2']
+        >>> view = SequenceView(seq)
+        >>> view
+        SequenceView(['0', '1', '2'])
+        >>> seq.append('3')
+        >>> view
+        SequenceView(['0', '1', '2', '3'])
+
+    Sequence views support indexing, slicing, and length queries. They act
+    like the underlying sequence, except they don't allow assignment:
+
+        >>> view[1]
+        '1'
+        >>> view[1:-1]
+        ['1', '2']
+        >>> len(view)
+        4
+
+    Sequence views are useful as an alternative to copying, as they don't
+    require (much) extra storage.
+
+    """
+
+    def __init__(self, target):
+        if not isinstance(target, Sequence):
+            raise TypeError
+        self._target = target
+
+    def __getitem__(self, index):
+        return self._target[index]
+
+    def __len__(self):
+        return len(self._target)
+
+    def __repr__(self):
+        return '{}({})'.format(self.__class__.__name__, repr(self._target))
+
+
+class seekable:
+    """Wrap an iterator to allow for seeking backward and forward. This
+    progressively caches the items in the source iterable so they can be
+    re-visited.
+
+    Call :meth:`seek` with an index to seek to that position in the source
+    iterable.
+
+    To "reset" an iterator, seek to ``0``:
+
+        >>> from itertools import count
+        >>> it = seekable((str(n) for n in count()))
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+        >>> it.seek(0)
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+        >>> next(it)
+        '3'
+
+    You can also seek forward:
+
+        >>> it = seekable((str(n) for n in range(20)))
+        >>> it.seek(10)
+        >>> next(it)
+        '10'
+        >>> it.seek(20)  # Seeking past the end of the source isn't a problem
+        >>> list(it)
+        []
+        >>> it.seek(0)  # Resetting works even after hitting the end
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+
+    Call :meth:`peek` to look ahead one item without advancing the iterator:
+
+        >>> it = seekable('1234')
+        >>> it.peek()
+        '1'
+        >>> list(it)
+        ['1', '2', '3', '4']
+        >>> it.peek(default='empty')
+        'empty'
+
+    Before the iterator is at its end, calling :func:`bool` on it will return
+    ``True``. After it will return ``False``:
+
+        >>> it = seekable('5678')
+        >>> bool(it)
+        True
+        >>> list(it)
+        ['5', '6', '7', '8']
+        >>> bool(it)
+        False
+
+    You may view the contents of the cache with the :meth:`elements` method.
+    That returns a :class:`SequenceView`, a view that updates automatically:
+
+        >>> it = seekable((str(n) for n in range(10)))
+        >>> next(it), next(it), next(it)
+        ('0', '1', '2')
+        >>> elements = it.elements()
+        >>> elements
+        SequenceView(['0', '1', '2'])
+        >>> next(it)
+        '3'
+        >>> elements
+        SequenceView(['0', '1', '2', '3'])
+
+    By default, the cache grows as the source iterable progresses, so beware of
+    wrapping very large or infinite iterables. Supply *maxlen* to limit the
+    size of the cache (this of course limits how far back you can seek).
+
+        >>> from itertools import count
+        >>> it = seekable((str(n) for n in count()), maxlen=2)
+        >>> next(it), next(it), next(it), next(it)
+        ('0', '1', '2', '3')
+        >>> list(it.elements())
+        ['2', '3']
+        >>> it.seek(0)
+        >>> next(it), next(it), next(it), next(it)
+        ('2', '3', '4', '5')
+        >>> next(it)
+        '6'
+
+    """
+
+    def __init__(self, iterable, maxlen=None):
+        self._source = iter(iterable)
+        if maxlen is None:
+            self._cache = []
+        else:
+            self._cache = deque([], maxlen)
+        self._index = None
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        if self._index is not None:
+            try:
+                item = self._cache[self._index]
+            except IndexError:
+                self._index = None
+            else:
+                self._index += 1
+                return item
+
+        item = next(self._source)
+        self._cache.append(item)
+        return item
+
+    def __bool__(self):
+        try:
+            self.peek()
+        except StopIteration:
+            return False
+        return True
+
+    def peek(self, default=_marker):
+        try:
+            peeked = next(self)
+        except StopIteration:
+            if default is _marker:
+                raise
+            return default
+        if self._index is None:
+            self._index = len(self._cache)
+        self._index -= 1
+        return peeked
+
+    def elements(self):
+        return SequenceView(self._cache)
+
+    def seek(self, index):
+        self._index = index
+        remainder = index - len(self._cache)
+        if remainder > 0:
+            consume(self, remainder)
+
+
+class run_length:
+    """
+    :func:`run_length.encode` compresses an iterable with run-length encoding.
+    It yields groups of repeated items with the count of how many times they
+    were repeated:
+
+        >>> uncompressed = 'abbcccdddd'
+        >>> list(run_length.encode(uncompressed))
+        [('a', 1), ('b', 2), ('c', 3), ('d', 4)]
+
+    :func:`run_length.decode` decompresses an iterable that was previously
+    compressed with run-length encoding. It yields the items of the
+    decompressed iterable:
+
+        >>> compressed = [('a', 1), ('b', 2), ('c', 3), ('d', 4)]
+        >>> list(run_length.decode(compressed))
+        ['a', 'b', 'b', 'c', 'c', 'c', 'd', 'd', 'd', 'd']
+
+    """
+
+    @staticmethod
+    def encode(iterable):
+        return ((k, ilen(g)) for k, g in groupby(iterable))
+
+    @staticmethod
+    def decode(iterable):
+        return chain.from_iterable(repeat(k, n) for k, n in iterable)
+
+
+def exactly_n(iterable, n, predicate=bool):
+    """Return ``True`` if exactly ``n`` items in the iterable are ``True``
+    according to the *predicate* function.
+
+        >>> exactly_n([True, True, False], 2)
+        True
+        >>> exactly_n([True, True, False], 1)
+        False
+        >>> exactly_n([0, 1, 2, 3, 4, 5], 3, lambda x: x < 3)
+        True
+
+    The iterable will be advanced until ``n + 1`` truthy items are encountered,
+    so avoid calling it on infinite iterables.
+
+    """
+    return len(take(n + 1, filter(predicate, iterable))) == n
+
+
+def circular_shifts(iterable):
+    """Return a list of circular shifts of *iterable*.
+
+    >>> circular_shifts(range(4))
+    [(0, 1, 2, 3), (1, 2, 3, 0), (2, 3, 0, 1), (3, 0, 1, 2)]
+    """
+    lst = list(iterable)
+    return take(len(lst), windowed(cycle(lst), len(lst)))
+
+
+def make_decorator(wrapping_func, result_index=0):
+    """Return a decorator version of *wrapping_func*, which is a function that
+    modifies an iterable. *result_index* is the position in that function's
+    signature where the iterable goes.
+
+    This lets you use itertools on the "production end," i.e. at function
+    definition. This can augment what the function returns without changing the
+    function's code.
+
+    For example, to produce a decorator version of :func:`chunked`:
+
+        >>> from more_itertools import chunked
+        >>> chunker = make_decorator(chunked, result_index=0)
+        >>> @chunker(3)
+        ... def iter_range(n):
+        ...     return iter(range(n))
+        ...
+        >>> list(iter_range(9))
+        [[0, 1, 2], [3, 4, 5], [6, 7, 8]]
+
+    To only allow truthy items to be returned:
+
+        >>> truth_serum = make_decorator(filter, result_index=1)
+        >>> @truth_serum(bool)
+        ... def boolean_test():
+        ...     return [0, 1, '', ' ', False, True]
+        ...
+        >>> list(boolean_test())
+        [1, ' ', True]
+
+    The :func:`peekable` and :func:`seekable` wrappers make for practical
+    decorators:
+
+        >>> from more_itertools import peekable
+        >>> peekable_function = make_decorator(peekable)
+        >>> @peekable_function()
+        ... def str_range(*args):
+        ...     return (str(x) for x in range(*args))
+        ...
+        >>> it = str_range(1, 20, 2)
+        >>> next(it), next(it), next(it)
+        ('1', '3', '5')
+        >>> it.peek()
+        '7'
+        >>> next(it)
+        '7'
+
+    """
+    # See https://sites.google.com/site/bbayles/index/decorator_factory for
+    # notes on how this works.
+    def decorator(*wrapping_args, **wrapping_kwargs):
+        def outer_wrapper(f):
+            def inner_wrapper(*args, **kwargs):
+                result = f(*args, **kwargs)
+                wrapping_args_ = list(wrapping_args)
+                wrapping_args_.insert(result_index, result)
+                return wrapping_func(*wrapping_args_, **wrapping_kwargs)
+
+            return inner_wrapper
+
+        return outer_wrapper
+
+    return decorator
+
+
+def map_reduce(iterable, keyfunc, valuefunc=None, reducefunc=None):
+    """Return a dictionary that maps the items in *iterable* to categories
+    defined by *keyfunc*, transforms them with *valuefunc*, and
+    then summarizes them by category with *reducefunc*.
+
+    *valuefunc* defaults to the identity function if it is unspecified.
+    If *reducefunc* is unspecified, no summarization takes place:
+
+        >>> keyfunc = lambda x: x.upper()
+        >>> result = map_reduce('abbccc', keyfunc)
+        >>> sorted(result.items())
+        [('A', ['a']), ('B', ['b', 'b']), ('C', ['c', 'c', 'c'])]
+
+    Specifying *valuefunc* transforms the categorized items:
+
+        >>> keyfunc = lambda x: x.upper()
+        >>> valuefunc = lambda x: 1
+        >>> result = map_reduce('abbccc', keyfunc, valuefunc)
+        >>> sorted(result.items())
+        [('A', [1]), ('B', [1, 1]), ('C', [1, 1, 1])]
+
+    Specifying *reducefunc* summarizes the categorized items:
+
+        >>> keyfunc = lambda x: x.upper()
+        >>> valuefunc = lambda x: 1
+        >>> reducefunc = sum
+        >>> result = map_reduce('abbccc', keyfunc, valuefunc, reducefunc)
+        >>> sorted(result.items())
+        [('A', 1), ('B', 2), ('C', 3)]
+
+    You may want to filter the input iterable before applying the map/reduce
+    procedure:
+
+        >>> all_items = range(30)
+        >>> items = [x for x in all_items if 10 <= x <= 20]  # Filter
+        >>> keyfunc = lambda x: x % 2  # Evens map to 0; odds to 1
+        >>> categories = map_reduce(items, keyfunc=keyfunc)
+        >>> sorted(categories.items())
+        [(0, [10, 12, 14, 16, 18, 20]), (1, [11, 13, 15, 17, 19])]
+        >>> summaries = map_reduce(items, keyfunc=keyfunc, reducefunc=sum)
+        >>> sorted(summaries.items())
+        [(0, 90), (1, 75)]
+
+    Note that all items in the iterable are gathered into a list before the
+    summarization step, which may require significant storage.
+
+    The returned object is a :obj:`collections.defaultdict` with the
+    ``default_factory`` set to ``None``, such that it behaves like a normal
+    dictionary.
+
+    """
+    valuefunc = (lambda x: x) if (valuefunc is None) else valuefunc
+
+    ret = defaultdict(list)
+    for item in iterable:
+        key = keyfunc(item)
+        value = valuefunc(item)
+        ret[key].append(value)
+
+    if reducefunc is not None:
+        for key, value_list in ret.items():
+            ret[key] = reducefunc(value_list)
+
+    ret.default_factory = None
+    return ret
+
+
+def rlocate(iterable, pred=bool, window_size=None):
+    """Yield the index of each item in *iterable* for which *pred* returns
+    ``True``, starting from the right and moving left.
+
+    *pred* defaults to :func:`bool`, which will select truthy items:
+
+        >>> list(rlocate([0, 1, 1, 0, 1, 0, 0]))  # Truthy at 1, 2, and 4
+        [4, 2, 1]
+
+    Set *pred* to a custom function to, e.g., find the indexes for a particular
+    item:
+
+        >>> iterable = iter('abcb')
+        >>> pred = lambda x: x == 'b'
+        >>> list(rlocate(iterable, pred))
+        [3, 1]
+
+    If *window_size* is given, then the *pred* function will be called with
+    that many items. This enables searching for sub-sequences:
+
+        >>> iterable = [0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3]
+        >>> pred = lambda *args: args == (1, 2, 3)
+        >>> list(rlocate(iterable, pred=pred, window_size=3))
+        [9, 5, 1]
+
+    Beware, this function won't return anything for infinite iterables.
+    If *iterable* is reversible, ``rlocate`` will reverse it and search from
+    the right. Otherwise, it will search from the left and return the results
+    in reverse order.
+
+    See :func:`locate` to for other example applications.
+
+    """
+    if window_size is None:
+        try:
+            len_iter = len(iterable)
+            return (len_iter - i - 1 for i in locate(reversed(iterable), pred))
+        except TypeError:
+            pass
+
+    return reversed(list(locate(iterable, pred, window_size)))
+
+
+def replace(iterable, pred, substitutes, count=None, window_size=1):
+    """Yield the items from *iterable*, replacing the items for which *pred*
+    returns ``True`` with the items from the iterable *substitutes*.
+
+        >>> iterable = [1, 1, 0, 1, 1, 0, 1, 1]
+        >>> pred = lambda x: x == 0
+        >>> substitutes = (2, 3)
+        >>> list(replace(iterable, pred, substitutes))
+        [1, 1, 2, 3, 1, 1, 2, 3, 1, 1]
+
+    If *count* is given, the number of replacements will be limited:
+
+        >>> iterable = [1, 1, 0, 1, 1, 0, 1, 1, 0]
+        >>> pred = lambda x: x == 0
+        >>> substitutes = [None]
+        >>> list(replace(iterable, pred, substitutes, count=2))
+        [1, 1, None, 1, 1, None, 1, 1, 0]
+
+    Use *window_size* to control the number of items passed as arguments to
+    *pred*. This allows for locating and replacing subsequences.
+
+        >>> iterable = [0, 1, 2, 5, 0, 1, 2, 5]
+        >>> window_size = 3
+        >>> pred = lambda *args: args == (0, 1, 2)  # 3 items passed to pred
+        >>> substitutes = [3, 4] # Splice in these items
+        >>> list(replace(iterable, pred, substitutes, window_size=window_size))
+        [3, 4, 5, 3, 4, 5]
+
+    """
+    if window_size < 1:
+        raise ValueError('window_size must be at least 1')
+
+    # Save the substitutes iterable, since it's used more than once
+    substitutes = tuple(substitutes)
+
+    # Add padding such that the number of windows matches the length of the
+    # iterable
+    it = chain(iterable, [_marker] * (window_size - 1))
+    windows = windowed(it, window_size)
+
+    n = 0
+    for w in windows:
+        # If the current window matches our predicate (and we haven't hit
+        # our maximum number of replacements), splice in the substitutes
+        # and then consume the following windows that overlap with this one.
+        # For example, if the iterable is (0, 1, 2, 3, 4...)
+        # and the window size is 2, we have (0, 1), (1, 2), (2, 3)...
+        # If the predicate matches on (0, 1), we need to zap (0, 1) and (1, 2)
+        if pred(*w):
+            if (count is None) or (n < count):
+                n += 1
+                yield from substitutes
+                consume(windows, window_size - 1)
+                continue
+
+        # If there was no match (or we've reached the replacement limit),
+        # yield the first item from the window.
+        if w and (w[0] is not _marker):
+            yield w[0]
+
+
+def partitions(iterable):
+    """Yield all possible order-preserving partitions of *iterable*.
+
+    >>> iterable = 'abc'
+    >>> for part in partitions(iterable):
+    ...     print([''.join(p) for p in part])
+    ['abc']
+    ['a', 'bc']
+    ['ab', 'c']
+    ['a', 'b', 'c']
+
+    This is unrelated to :func:`partition`.
+
+    """
+    sequence = list(iterable)
+    n = len(sequence)
+    for i in powerset(range(1, n)):
+        yield [sequence[i:j] for i, j in zip((0,) + i, i + (n,))]
+
+
+def set_partitions(iterable, k=None):
+    """
+    Yield the set partitions of *iterable* into *k* parts. Set partitions are
+    not order-preserving.
+
+    >>> iterable = 'abc'
+    >>> for part in set_partitions(iterable, 2):
+    ...     print([''.join(p) for p in part])
+    ['a', 'bc']
+    ['ab', 'c']
+    ['b', 'ac']
+
+
+    If *k* is not given, every set partition is generated.
+
+    >>> iterable = 'abc'
+    >>> for part in set_partitions(iterable):
+    ...     print([''.join(p) for p in part])
+    ['abc']
+    ['a', 'bc']
+    ['ab', 'c']
+    ['b', 'ac']
+    ['a', 'b', 'c']
+
+    """
+    L = list(iterable)
+    n = len(L)
+    if k is not None:
+        if k < 1:
+            raise ValueError(
+                "Can't partition in a negative or zero number of groups"
+            )
+        elif k > n:
+            return
+
+    def set_partitions_helper(L, k):
+        n = len(L)
+        if k == 1:
+            yield [L]
+        elif n == k:
+            yield [[s] for s in L]
+        else:
+            e, *M = L
+            for p in set_partitions_helper(M, k - 1):
+                yield [[e], *p]
+            for p in set_partitions_helper(M, k):
+                for i in range(len(p)):
+                    yield p[:i] + [[e] + p[i]] + p[i + 1 :]
+
+    if k is None:
+        for k in range(1, n + 1):
+            yield from set_partitions_helper(L, k)
+    else:
+        yield from set_partitions_helper(L, k)
+
+
+class time_limited:
+    """
+    Yield items from *iterable* until *limit_seconds* have passed.
+    If the time limit expires before all items have been yielded, the
+    ``timed_out`` parameter will be set to ``True``.
+
+    >>> from time import sleep
+    >>> def generator():
+    ...     yield 1
+    ...     yield 2
+    ...     sleep(0.2)
+    ...     yield 3
+    >>> iterable = time_limited(0.1, generator())
+    >>> list(iterable)
+    [1, 2]
+    >>> iterable.timed_out
+    True
+
+    Note that the time is checked before each item is yielded, and iteration
+    stops if  the time elapsed is greater than *limit_seconds*. If your time
+    limit is 1 second, but it takes 2 seconds to generate the first item from
+    the iterable, the function will run for 2 seconds and not yield anything.
+
+    """
+
+    def __init__(self, limit_seconds, iterable):
+        if limit_seconds < 0:
+            raise ValueError('limit_seconds must be positive')
+        self.limit_seconds = limit_seconds
+        self._iterable = iter(iterable)
+        self._start_time = monotonic()
+        self.timed_out = False
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        item = next(self._iterable)
+        if monotonic() - self._start_time > self.limit_seconds:
+            self.timed_out = True
+            raise StopIteration
+
+        return item
+
+
+def only(iterable, default=None, too_long=None):
+    """If *iterable* has only one item, return it.
+    If it has zero items, return *default*.
+    If it has more than one item, raise the exception given by *too_long*,
+    which is ``ValueError`` by default.
+
+    >>> only([], default='missing')
+    'missing'
+    >>> only([1])
+    1
+    >>> only([1, 2])  # doctest: +IGNORE_EXCEPTION_DETAIL
+    Traceback (most recent call last):
+    ...
+    ValueError: Expected exactly one item in iterable, but got 1, 2,
+     and perhaps more.'
+    >>> only([1, 2], too_long=TypeError)  # doctest: +IGNORE_EXCEPTION_DETAIL
+    Traceback (most recent call last):
+    ...
+    TypeError
+
+    Note that :func:`only` attempts to advance *iterable* twice to ensure there
+    is only one item.  See :func:`spy` or :func:`peekable` to check
+    iterable contents less destructively.
+    """
+    it = iter(iterable)
+    first_value = next(it, default)
+
+    try:
+        second_value = next(it)
+    except StopIteration:
+        pass
+    else:
+        msg = (
+            'Expected exactly one item in iterable, but got {!r}, {!r}, '
+            'and perhaps more.'.format(first_value, second_value)
+        )
+        raise too_long or ValueError(msg)
+
+    return first_value
+
+
+def ichunked(iterable, n):
+    """Break *iterable* into sub-iterables with *n* elements each.
+    :func:`ichunked` is like :func:`chunked`, but it yields iterables
+    instead of lists.
+
+    If the sub-iterables are read in order, the elements of *iterable*
+    won't be stored in memory.
+    If they are read out of order, :func:`itertools.tee` is used to cache
+    elements as necessary.
+
+    >>> from itertools import count
+    >>> all_chunks = ichunked(count(), 4)
+    >>> c_1, c_2, c_3 = next(all_chunks), next(all_chunks), next(all_chunks)
+    >>> list(c_2)  # c_1's elements have been cached; c_3's haven't been
+    [4, 5, 6, 7]
+    >>> list(c_1)
+    [0, 1, 2, 3]
+    >>> list(c_3)
+    [8, 9, 10, 11]
+
+    """
+    source = iter(iterable)
+
+    while True:
+        # Check to see whether we're at the end of the source iterable
+        item = next(source, _marker)
+        if item is _marker:
+            return
+
+        # Clone the source and yield an n-length slice
+        source, it = tee(chain([item], source))
+        yield islice(it, n)
+
+        # Advance the source iterable
+        consume(source, n)
+
+
+def distinct_combinations(iterable, r):
+    """Yield the distinct combinations of *r* items taken from *iterable*.
+
+        >>> list(distinct_combinations([0, 0, 1], 2))
+        [(0, 0), (0, 1)]
+
+    Equivalent to ``set(combinations(iterable))``, except duplicates are not
+    generated and thrown away. For larger input sequences this is much more
+    efficient.
+
+    """
+    if r < 0:
+        raise ValueError('r must be non-negative')
+    elif r == 0:
+        yield ()
+        return
+    pool = tuple(iterable)
+    generators = [unique_everseen(enumerate(pool), key=itemgetter(1))]
+    current_combo = [None] * r
+    level = 0
+    while generators:
+        try:
+            cur_idx, p = next(generators[-1])
+        except StopIteration:
+            generators.pop()
+            level -= 1
+            continue
+        current_combo[level] = p
+        if level + 1 == r:
+            yield tuple(current_combo)
+        else:
+            generators.append(
+                unique_everseen(
+                    enumerate(pool[cur_idx + 1 :], cur_idx + 1),
+                    key=itemgetter(1),
+                )
+            )
+            level += 1
+
+
+def filter_except(validator, iterable, *exceptions):
+    """Yield the items from *iterable* for which the *validator* function does
+    not raise one of the specified *exceptions*.
+
+    *validator* is called for each item in *iterable*.
+    It should be a function that accepts one argument and raises an exception
+    if that item is not valid.
+
+    >>> iterable = ['1', '2', 'three', '4', None]
+    >>> list(filter_except(int, iterable, ValueError, TypeError))
+    ['1', '2', '4']
+
+    If an exception other than one given by *exceptions* is raised by
+    *validator*, it is raised like normal.
+    """
+    for item in iterable:
+        try:
+            validator(item)
+        except exceptions:
+            pass
+        else:
+            yield item
+
+
+def map_except(function, iterable, *exceptions):
+    """Transform each item from *iterable* with *function* and yield the
+    result, unless *function* raises one of the specified *exceptions*.
+
+    *function* is called to transform each item in *iterable*.
+    It should be a accept one argument.
+
+    >>> iterable = ['1', '2', 'three', '4', None]
+    >>> list(map_except(int, iterable, ValueError, TypeError))
+    [1, 2, 4]
+
+    If an exception other than one given by *exceptions* is raised by
+    *function*, it is raised like normal.
+    """
+    for item in iterable:
+        try:
+            yield function(item)
+        except exceptions:
+            pass
+
+
+def _sample_unweighted(iterable, k):
+    # Implementation of "Algorithm L" from the 1994 paper by Kim-Hung Li:
+    # "Reservoir-Sampling Algorithms of Time Complexity O(n(1+log(N/n)))".
+
+    # Fill up the reservoir (collection of samples) with the first `k` samples
+    reservoir = take(k, iterable)
+
+    # Generate random number that's the largest in a sample of k U(0,1) numbers
+    # Largest order statistic: https://en.wikipedia.org/wiki/Order_statistic
+    W = exp(log(random()) / k)
+
+    # The number of elements to skip before changing the reservoir is a random
+    # number with a geometric distribution. Sample it using random() and logs.
+    next_index = k + floor(log(random()) / log(1 - W))
+
+    for index, element in enumerate(iterable, k):
+
+        if index == next_index:
+            reservoir[randrange(k)] = element
+            # The new W is the largest in a sample of k U(0, `old_W`) numbers
+            W *= exp(log(random()) / k)
+            next_index += floor(log(random()) / log(1 - W)) + 1
+
+    return reservoir
+
+
+def _sample_weighted(iterable, k, weights):
+    # Implementation of "A-ExpJ" from the 2006 paper by Efraimidis et al. :
+    # "Weighted random sampling with a reservoir".
+
+    # Log-transform for numerical stability for weights that are small/large
+    weight_keys = (log(random()) / weight for weight in weights)
+
+    # Fill up the reservoir (collection of samples) with the first `k`
+    # weight-keys and elements, then heapify the list.
+    reservoir = take(k, zip(weight_keys, iterable))
+    heapify(reservoir)
+
+    # The number of jumps before changing the reservoir is a random variable
+    # with an exponential distribution. Sample it using random() and logs.
+    smallest_weight_key, _ = reservoir[0]
+    weights_to_skip = log(random()) / smallest_weight_key
+
+    for weight, element in zip(weights, iterable):
+        if weight >= weights_to_skip:
+            # The notation here is consistent with the paper, but we store
+            # the weight-keys in log-space for better numerical stability.
+            smallest_weight_key, _ = reservoir[0]
+            t_w = exp(weight * smallest_weight_key)
+            r_2 = uniform(t_w, 1)  # generate U(t_w, 1)
+            weight_key = log(r_2) / weight
+            heapreplace(reservoir, (weight_key, element))
+            smallest_weight_key, _ = reservoir[0]
+            weights_to_skip = log(random()) / smallest_weight_key
+        else:
+            weights_to_skip -= weight
+
+    # Equivalent to [element for weight_key, element in sorted(reservoir)]
+    return [heappop(reservoir)[1] for _ in range(k)]
+
+
+def sample(iterable, k, weights=None):
+    """Return a *k*-length list of elements chosen (without replacement)
+    from the *iterable*. Like :func:`random.sample`, but works on iterables
+    of unknown length.
+
+    >>> iterable = range(100)
+    >>> sample(iterable, 5)  # doctest: +SKIP
+    [81, 60, 96, 16, 4]
+
+    An iterable with *weights* may also be given:
+
+    >>> iterable = range(100)
+    >>> weights = (i * i + 1 for i in range(100))
+    >>> sampled = sample(iterable, 5, weights=weights)  # doctest: +SKIP
+    [79, 67, 74, 66, 78]
+
+    The algorithm can also be used to generate weighted random permutations.
+    The relative weight of each item determines the probability that it
+    appears late in the permutation.
+
+    >>> data = "abcdefgh"
+    >>> weights = range(1, len(data) + 1)
+    >>> sample(data, k=len(data), weights=weights)  # doctest: +SKIP
+    ['c', 'a', 'b', 'e', 'g', 'd', 'h', 'f']
+    """
+    if k == 0:
+        return []
+
+    iterable = iter(iterable)
+    if weights is None:
+        return _sample_unweighted(iterable, k)
+    else:
+        weights = iter(weights)
+        return _sample_weighted(iterable, k, weights)
+
+
+def is_sorted(iterable, key=None, reverse=False):
+    """Returns ``True`` if the items of iterable are in sorted order, and
+    ``False`` otherwise. *key* and *reverse* have the same meaning that they do
+    in the built-in :func:`sorted` function.
+
+    >>> is_sorted(['1', '2', '3', '4', '5'], key=int)
+    True
+    >>> is_sorted([5, 4, 3, 1, 2], reverse=True)
+    False
+
+    The function returns ``False`` after encountering the first out-of-order
+    item. If there are no out-of-order items, the iterable is exhausted.
+    """
+
+    compare = lt if reverse else gt
+    it = iterable if (key is None) else map(key, iterable)
+    return not any(starmap(compare, pairwise(it)))
+
+
+class AbortThread(BaseException):
+    pass
+
+
+class callback_iter:
+    """Convert a function that uses callbacks to an iterator.
+
+    Let *func* be a function that takes a `callback` keyword argument.
+    For example:
+
+    >>> def func(callback=None):
+    ...     for i, c in [(1, 'a'), (2, 'b'), (3, 'c')]:
+    ...         if callback:
+    ...             callback(i, c)
+    ...     return 4
+
+
+    Use ``with callback_iter(func)`` to get an iterator over the parameters
+    that are delivered to the callback.
+
+    >>> with callback_iter(func) as it:
+    ...     for args, kwargs in it:
+    ...         print(args)
+    (1, 'a')
+    (2, 'b')
+    (3, 'c')
+
+    The function will be called in a background thread. The ``done`` property
+    indicates whether it has completed execution.
+
+    >>> it.done
+    True
+
+    If it completes successfully, its return value will be available
+    in the ``result`` property.
+
+    >>> it.result
+    4
+
+    Notes:
+
+    * If the function uses some keyword argument besides ``callback``, supply
+      *callback_kwd*.
+    * If it finished executing, but raised an exception, accessing the
+      ``result`` property will raise the same exception.
+    * If it hasn't finished executing, accessing the ``result``
+      property from within the ``with`` block will raise ``RuntimeError``.
+    * If it hasn't finished executing, accessing the ``result`` property from
+      outside the ``with`` block will raise a
+      ``more_itertools.AbortThread`` exception.
+    * Provide *wait_seconds* to adjust how frequently the it is polled for
+      output.
+
+    """
+
+    def __init__(self, func, callback_kwd='callback', wait_seconds=0.1):
+        self._func = func
+        self._callback_kwd = callback_kwd
+        self._aborted = False
+        self._future = None
+        self._wait_seconds = wait_seconds
+        self._executor = __import__("concurrent.futures").futures.ThreadPoolExecutor(max_workers=1)
+        self._iterator = self._reader()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self._aborted = True
+        self._executor.shutdown()
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        return next(self._iterator)
+
+    @property
+    def done(self):
+        if self._future is None:
+            return False
+        return self._future.done()
+
+    @property
+    def result(self):
+        if not self.done:
+            raise RuntimeError('Function has not yet completed')
+
+        return self._future.result()
+
+    def _reader(self):
+        q = Queue()
+
+        def callback(*args, **kwargs):
+            if self._aborted:
+                raise AbortThread('canceled by user')
+
+            q.put((args, kwargs))
+
+        self._future = self._executor.submit(
+            self._func, **{self._callback_kwd: callback}
+        )
+
+        while True:
+            try:
+                item = q.get(timeout=self._wait_seconds)
+            except Empty:
+                pass
+            else:
+                q.task_done()
+                yield item
+
+            if self._future.done():
+                break
+
+        remaining = []
+        while True:
+            try:
+                item = q.get_nowait()
+            except Empty:
+                break
+            else:
+                q.task_done()
+                remaining.append(item)
+        q.join()
+        yield from remaining
+
+
+def windowed_complete(iterable, n):
+    """
+    Yield ``(beginning, middle, end)`` tuples, where:
+
+    * Each ``middle`` has *n* items from *iterable*
+    * Each ``beginning`` has the items before the ones in ``middle``
+    * Each ``end`` has the items after the ones in ``middle``
+
+    >>> iterable = range(7)
+    >>> n = 3
+    >>> for beginning, middle, end in windowed_complete(iterable, n):
+    ...     print(beginning, middle, end)
+    () (0, 1, 2) (3, 4, 5, 6)
+    (0,) (1, 2, 3) (4, 5, 6)
+    (0, 1) (2, 3, 4) (5, 6)
+    (0, 1, 2) (3, 4, 5) (6,)
+    (0, 1, 2, 3) (4, 5, 6) ()
+
+    Note that *n* must be at least 0 and most equal to the length of
+    *iterable*.
+
+    This function will exhaust the iterable and may require significant
+    storage.
+    """
+    if n < 0:
+        raise ValueError('n must be >= 0')
+
+    seq = tuple(iterable)
+    size = len(seq)
+
+    if n > size:
+        raise ValueError('n must be <= len(seq)')
+
+    for i in range(size - n + 1):
+        beginning = seq[:i]
+        middle = seq[i : i + n]
+        end = seq[i + n :]
+        yield beginning, middle, end
+
+
+def all_unique(iterable, key=None):
+    """
+    Returns ``True`` if all the elements of *iterable* are unique (no two
+    elements are equal).
+
+        >>> all_unique('ABCB')
+        False
+
+    If a *key* function is specified, it will be used to make comparisons.
+
+        >>> all_unique('ABCb')
+        True
+        >>> all_unique('ABCb', str.lower)
+        False
+
+    The function returns as soon as the first non-unique element is
+    encountered. Iterables with a mix of hashable and unhashable items can
+    be used, but the function will be slower for unhashable items.
+    """
+    seenset = set()
+    seenset_add = seenset.add
+    seenlist = []
+    seenlist_add = seenlist.append
+    for element in map(key, iterable) if key else iterable:
+        try:
+            if element in seenset:
+                return False
+            seenset_add(element)
+        except TypeError:
+            if element in seenlist:
+                return False
+            seenlist_add(element)
+    return True
+
+
+def nth_product(index, *args):
+    """Equivalent to ``list(product(*args))[index]``.
+
+    The products of *args* can be ordered lexicographically.
+    :func:`nth_product` computes the product at sort position *index* without
+    computing the previous products.
+
+        >>> nth_product(8, range(2), range(2), range(2), range(2))
+        (1, 0, 0, 0)
+
+    ``IndexError`` will be raised if the given *index* is invalid.
+    """
+    pools = list(map(tuple, reversed(args)))
+    ns = list(map(len, pools))
+
+    c = reduce(mul, ns)
+
+    if index < 0:
+        index += c
+
+    if not 0 <= index < c:
+        raise IndexError
+
+    result = []
+    for pool, n in zip(pools, ns):
+        result.append(pool[index % n])
+        index //= n
+
+    return tuple(reversed(result))
+
+
+def nth_permutation(iterable, r, index):
+    """Equivalent to ``list(permutations(iterable, r))[index]```
+
+    The subsequences of *iterable* that are of length *r* where order is
+    important can be ordered lexicographically. :func:`nth_permutation`
+    computes the subsequence at sort position *index* directly, without
+    computing the previous subsequences.
+
+        >>> nth_permutation('ghijk', 2, 5)
+        ('h', 'i')
+
+    ``ValueError`` will be raised If *r* is negative or greater than the length
+    of *iterable*.
+    ``IndexError`` will be raised if the given *index* is invalid.
+    """
+    pool = list(iterable)
+    n = len(pool)
+
+    if r is None or r == n:
+        r, c = n, factorial(n)
+    elif not 0 <= r < n:
+        raise ValueError
+    else:
+        c = factorial(n) // factorial(n - r)
+
+    if index < 0:
+        index += c
+
+    if not 0 <= index < c:
+        raise IndexError
+
+    if c == 0:
+        return tuple()
+
+    result = [0] * r
+    q = index * factorial(n) // c if r < n else index
+    for d in range(1, n + 1):
+        q, i = divmod(q, d)
+        if 0 <= n - d < r:
+            result[n - d] = i
+        if q == 0:
+            break
+
+    return tuple(map(pool.pop, result))
+
+
+def value_chain(*args):
+    """Yield all arguments passed to the function in the same order in which
+    they were passed. If an argument itself is iterable then iterate over its
+    values.
+
+        >>> list(value_chain(1, 2, 3, [4, 5, 6]))
+        [1, 2, 3, 4, 5, 6]
+
+    Binary and text strings are not considered iterable and are emitted
+    as-is:
+
+        >>> list(value_chain('12', '34', ['56', '78']))
+        ['12', '34', '56', '78']
+
+
+    Multiple levels of nesting are not flattened.
+
+    """
+    for value in args:
+        if isinstance(value, (str, bytes)):
+            yield value
+            continue
+        try:
+            yield from value
+        except TypeError:
+            yield value
+
+
+def product_index(element, *args):
+    """Equivalent to ``list(product(*args)).index(element)``
+
+    The products of *args* can be ordered lexicographically.
+    :func:`product_index` computes the first index of *element* without
+    computing the previous products.
+
+        >>> product_index([8, 2], range(10), range(5))
+        42
+
+    ``ValueError`` will be raised if the given *element* isn't in the product
+    of *args*.
+    """
+    index = 0
+
+    for x, pool in zip_longest(element, args, fillvalue=_marker):
+        if x is _marker or pool is _marker:
+            raise ValueError('element is not a product of args')
+
+        pool = tuple(pool)
+        index = index * len(pool) + pool.index(x)
+
+    return index
+
+
+def combination_index(element, iterable):
+    """Equivalent to ``list(combinations(iterable, r)).index(element)``
+
+    The subsequences of *iterable* that are of length *r* can be ordered
+    lexicographically. :func:`combination_index` computes the index of the
+    first *element*, without computing the previous combinations.
+
+        >>> combination_index('adf', 'abcdefg')
+        10
+
+    ``ValueError`` will be raised if the given *element* isn't one of the
+    combinations of *iterable*.
+    """
+    element = enumerate(element)
+    k, y = next(element, (None, None))
+    if k is None:
+        return 0
+
+    indexes = []
+    pool = enumerate(iterable)
+    for n, x in pool:
+        if x == y:
+            indexes.append(n)
+            tmp, y = next(element, (None, None))
+            if tmp is None:
+                break
+            else:
+                k = tmp
+    else:
+        raise ValueError('element is not a combination of iterable')
+
+    n, _ = last(pool, default=(n, None))
+
+    # Python versiosn below 3.8 don't have math.comb
+    index = 1
+    for i, j in enumerate(reversed(indexes), start=1):
+        j = n - j
+        if i <= j:
+            index += factorial(j) // (factorial(i) * factorial(j - i))
+
+    return factorial(n + 1) // (factorial(k + 1) * factorial(n - k)) - index
+
+
+def permutation_index(element, iterable):
+    """Equivalent to ``list(permutations(iterable, r)).index(element)```
+
+    The subsequences of *iterable* that are of length *r* where order is
+    important can be ordered lexicographically. :func:`permutation_index`
+    computes the index of the first *element* directly, without computing
+    the previous permutations.
+
+        >>> permutation_index([1, 3, 2], range(5))
+        19
+
+    ``ValueError`` will be raised if the given *element* isn't one of the
+    permutations of *iterable*.
+    """
+    index = 0
+    pool = list(iterable)
+    for i, x in zip(range(len(pool), -1, -1), element):
+        r = pool.index(x)
+        index = index * i + r
+        del pool[r]
+
+    return index
+
+
+class countable:
+    """Wrap *iterable* and keep a count of how many items have been consumed.
+
+    The ``items_seen`` attribute starts at ``0`` and increments as the iterable
+    is consumed:
+
+        >>> iterable = map(str, range(10))
+        >>> it = countable(iterable)
+        >>> it.items_seen
+        0
+        >>> next(it), next(it)
+        ('0', '1')
+        >>> list(it)
+        ['2', '3', '4', '5', '6', '7', '8', '9']
+        >>> it.items_seen
+        10
+    """
+
+    def __init__(self, iterable):
+        self._it = iter(iterable)
+        self.items_seen = 0
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        item = next(self._it)
+        self.items_seen += 1
+
+        return item
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/more_itertools/recipes.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/more_itertools/recipes.py
new file mode 100644
index 00000000..521abd7c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/more_itertools/recipes.py
@@ -0,0 +1,620 @@
+"""Imported from the recipes section of the itertools documentation.
+
+All functions taken from the recipes section of the itertools library docs
+[1]_.
+Some backward-compatible usability improvements have been made.
+
+.. [1] http://docs.python.org/library/itertools.html#recipes
+
+"""
+import warnings
+from collections import deque
+from itertools import (
+    chain,
+    combinations,
+    count,
+    cycle,
+    groupby,
+    islice,
+    repeat,
+    starmap,
+    tee,
+    zip_longest,
+)
+import operator
+from random import randrange, sample, choice
+
+__all__ = [
+    'all_equal',
+    'consume',
+    'convolve',
+    'dotproduct',
+    'first_true',
+    'flatten',
+    'grouper',
+    'iter_except',
+    'ncycles',
+    'nth',
+    'nth_combination',
+    'padnone',
+    'pad_none',
+    'pairwise',
+    'partition',
+    'powerset',
+    'prepend',
+    'quantify',
+    'random_combination_with_replacement',
+    'random_combination',
+    'random_permutation',
+    'random_product',
+    'repeatfunc',
+    'roundrobin',
+    'tabulate',
+    'tail',
+    'take',
+    'unique_everseen',
+    'unique_justseen',
+]
+
+
+def take(n, iterable):
+    """Return first *n* items of the iterable as a list.
+
+        >>> take(3, range(10))
+        [0, 1, 2]
+
+    If there are fewer than *n* items in the iterable, all of them are
+    returned.
+
+        >>> take(10, range(3))
+        [0, 1, 2]
+
+    """
+    return list(islice(iterable, n))
+
+
+def tabulate(function, start=0):
+    """Return an iterator over the results of ``func(start)``,
+    ``func(start + 1)``, ``func(start + 2)``...
+
+    *func* should be a function that accepts one integer argument.
+
+    If *start* is not specified it defaults to 0. It will be incremented each
+    time the iterator is advanced.
+
+        >>> square = lambda x: x ** 2
+        >>> iterator = tabulate(square, -3)
+        >>> take(4, iterator)
+        [9, 4, 1, 0]
+
+    """
+    return map(function, count(start))
+
+
+def tail(n, iterable):
+    """Return an iterator over the last *n* items of *iterable*.
+
+    >>> t = tail(3, 'ABCDEFG')
+    >>> list(t)
+    ['E', 'F', 'G']
+
+    """
+    return iter(deque(iterable, maxlen=n))
+
+
+def consume(iterator, n=None):
+    """Advance *iterable* by *n* steps. If *n* is ``None``, consume it
+    entirely.
+
+    Efficiently exhausts an iterator without returning values. Defaults to
+    consuming the whole iterator, but an optional second argument may be
+    provided to limit consumption.
+
+        >>> i = (x for x in range(10))
+        >>> next(i)
+        0
+        >>> consume(i, 3)
+        >>> next(i)
+        4
+        >>> consume(i)
+        >>> next(i)
+        Traceback (most recent call last):
+          File "<stdin>", line 1, in <module>
+        StopIteration
+
+    If the iterator has fewer items remaining than the provided limit, the
+    whole iterator will be consumed.
+
+        >>> i = (x for x in range(3))
+        >>> consume(i, 5)
+        >>> next(i)
+        Traceback (most recent call last):
+          File "<stdin>", line 1, in <module>
+        StopIteration
+
+    """
+    # Use functions that consume iterators at C speed.
+    if n is None:
+        # feed the entire iterator into a zero-length deque
+        deque(iterator, maxlen=0)
+    else:
+        # advance to the empty slice starting at position n
+        next(islice(iterator, n, n), None)
+
+
+def nth(iterable, n, default=None):
+    """Returns the nth item or a default value.
+
+    >>> l = range(10)
+    >>> nth(l, 3)
+    3
+    >>> nth(l, 20, "zebra")
+    'zebra'
+
+    """
+    return next(islice(iterable, n, None), default)
+
+
+def all_equal(iterable):
+    """
+    Returns ``True`` if all the elements are equal to each other.
+
+        >>> all_equal('aaaa')
+        True
+        >>> all_equal('aaab')
+        False
+
+    """
+    g = groupby(iterable)
+    return next(g, True) and not next(g, False)
+
+
+def quantify(iterable, pred=bool):
+    """Return the how many times the predicate is true.
+
+    >>> quantify([True, False, True])
+    2
+
+    """
+    return sum(map(pred, iterable))
+
+
+def pad_none(iterable):
+    """Returns the sequence of elements and then returns ``None`` indefinitely.
+
+        >>> take(5, pad_none(range(3)))
+        [0, 1, 2, None, None]
+
+    Useful for emulating the behavior of the built-in :func:`map` function.
+
+    See also :func:`padded`.
+
+    """
+    return chain(iterable, repeat(None))
+
+
+padnone = pad_none
+
+
+def ncycles(iterable, n):
+    """Returns the sequence elements *n* times
+
+    >>> list(ncycles(["a", "b"], 3))
+    ['a', 'b', 'a', 'b', 'a', 'b']
+
+    """
+    return chain.from_iterable(repeat(tuple(iterable), n))
+
+
+def dotproduct(vec1, vec2):
+    """Returns the dot product of the two iterables.
+
+    >>> dotproduct([10, 10], [20, 20])
+    400
+
+    """
+    return sum(map(operator.mul, vec1, vec2))
+
+
+def flatten(listOfLists):
+    """Return an iterator flattening one level of nesting in a list of lists.
+
+        >>> list(flatten([[0, 1], [2, 3]]))
+        [0, 1, 2, 3]
+
+    See also :func:`collapse`, which can flatten multiple levels of nesting.
+
+    """
+    return chain.from_iterable(listOfLists)
+
+
+def repeatfunc(func, times=None, *args):
+    """Call *func* with *args* repeatedly, returning an iterable over the
+    results.
+
+    If *times* is specified, the iterable will terminate after that many
+    repetitions:
+
+        >>> from operator import add
+        >>> times = 4
+        >>> args = 3, 5
+        >>> list(repeatfunc(add, times, *args))
+        [8, 8, 8, 8]
+
+    If *times* is ``None`` the iterable will not terminate:
+
+        >>> from random import randrange
+        >>> times = None
+        >>> args = 1, 11
+        >>> take(6, repeatfunc(randrange, times, *args))  # doctest:+SKIP
+        [2, 4, 8, 1, 8, 4]
+
+    """
+    if times is None:
+        return starmap(func, repeat(args))
+    return starmap(func, repeat(args, times))
+
+
+def _pairwise(iterable):
+    """Returns an iterator of paired items, overlapping, from the original
+
+    >>> take(4, pairwise(count()))
+    [(0, 1), (1, 2), (2, 3), (3, 4)]
+
+    On Python 3.10 and above, this is an alias for :func:`itertools.pairwise`.
+
+    """
+    a, b = tee(iterable)
+    next(b, None)
+    yield from zip(a, b)
+
+
+try:
+    from itertools import pairwise as itertools_pairwise
+except ImportError:
+    pairwise = _pairwise
+else:
+
+    def pairwise(iterable):
+        yield from itertools_pairwise(iterable)
+
+    pairwise.__doc__ = _pairwise.__doc__
+
+
+def grouper(iterable, n, fillvalue=None):
+    """Collect data into fixed-length chunks or blocks.
+
+    >>> list(grouper('ABCDEFG', 3, 'x'))
+    [('A', 'B', 'C'), ('D', 'E', 'F'), ('G', 'x', 'x')]
+
+    """
+    if isinstance(iterable, int):
+        warnings.warn(
+            "grouper expects iterable as first parameter", DeprecationWarning
+        )
+        n, iterable = iterable, n
+    args = [iter(iterable)] * n
+    return zip_longest(fillvalue=fillvalue, *args)
+
+
+def roundrobin(*iterables):
+    """Yields an item from each iterable, alternating between them.
+
+        >>> list(roundrobin('ABC', 'D', 'EF'))
+        ['A', 'D', 'E', 'B', 'F', 'C']
+
+    This function produces the same output as :func:`interleave_longest`, but
+    may perform better for some inputs (in particular when the number of
+    iterables is small).
+
+    """
+    # Recipe credited to George Sakkis
+    pending = len(iterables)
+    nexts = cycle(iter(it).__next__ for it in iterables)
+    while pending:
+        try:
+            for next in nexts:
+                yield next()
+        except StopIteration:
+            pending -= 1
+            nexts = cycle(islice(nexts, pending))
+
+
+def partition(pred, iterable):
+    """
+    Returns a 2-tuple of iterables derived from the input iterable.
+    The first yields the items that have ``pred(item) == False``.
+    The second yields the items that have ``pred(item) == True``.
+
+        >>> is_odd = lambda x: x % 2 != 0
+        >>> iterable = range(10)
+        >>> even_items, odd_items = partition(is_odd, iterable)
+        >>> list(even_items), list(odd_items)
+        ([0, 2, 4, 6, 8], [1, 3, 5, 7, 9])
+
+    If *pred* is None, :func:`bool` is used.
+
+        >>> iterable = [0, 1, False, True, '', ' ']
+        >>> false_items, true_items = partition(None, iterable)
+        >>> list(false_items), list(true_items)
+        ([0, False, ''], [1, True, ' '])
+
+    """
+    if pred is None:
+        pred = bool
+
+    evaluations = ((pred(x), x) for x in iterable)
+    t1, t2 = tee(evaluations)
+    return (
+        (x for (cond, x) in t1 if not cond),
+        (x for (cond, x) in t2 if cond),
+    )
+
+
+def powerset(iterable):
+    """Yields all possible subsets of the iterable.
+
+        >>> list(powerset([1, 2, 3]))
+        [(), (1,), (2,), (3,), (1, 2), (1, 3), (2, 3), (1, 2, 3)]
+
+    :func:`powerset` will operate on iterables that aren't :class:`set`
+    instances, so repeated elements in the input will produce repeated elements
+    in the output. Use :func:`unique_everseen` on the input to avoid generating
+    duplicates:
+
+        >>> seq = [1, 1, 0]
+        >>> list(powerset(seq))
+        [(), (1,), (1,), (0,), (1, 1), (1, 0), (1, 0), (1, 1, 0)]
+        >>> from more_itertools import unique_everseen
+        >>> list(powerset(unique_everseen(seq)))
+        [(), (1,), (0,), (1, 0)]
+
+    """
+    s = list(iterable)
+    return chain.from_iterable(combinations(s, r) for r in range(len(s) + 1))
+
+
+def unique_everseen(iterable, key=None):
+    """
+    Yield unique elements, preserving order.
+
+        >>> list(unique_everseen('AAAABBBCCDAABBB'))
+        ['A', 'B', 'C', 'D']
+        >>> list(unique_everseen('ABBCcAD', str.lower))
+        ['A', 'B', 'C', 'D']
+
+    Sequences with a mix of hashable and unhashable items can be used.
+    The function will be slower (i.e., `O(n^2)`) for unhashable items.
+
+    Remember that ``list`` objects are unhashable - you can use the *key*
+    parameter to transform the list to a tuple (which is hashable) to
+    avoid a slowdown.
+
+        >>> iterable = ([1, 2], [2, 3], [1, 2])
+        >>> list(unique_everseen(iterable))  # Slow
+        [[1, 2], [2, 3]]
+        >>> list(unique_everseen(iterable, key=tuple))  # Faster
+        [[1, 2], [2, 3]]
+
+    Similary, you may want to convert unhashable ``set`` objects with
+    ``key=frozenset``. For ``dict`` objects,
+    ``key=lambda x: frozenset(x.items())`` can be used.
+
+    """
+    seenset = set()
+    seenset_add = seenset.add
+    seenlist = []
+    seenlist_add = seenlist.append
+    use_key = key is not None
+
+    for element in iterable:
+        k = key(element) if use_key else element
+        try:
+            if k not in seenset:
+                seenset_add(k)
+                yield element
+        except TypeError:
+            if k not in seenlist:
+                seenlist_add(k)
+                yield element
+
+
+def unique_justseen(iterable, key=None):
+    """Yields elements in order, ignoring serial duplicates
+
+    >>> list(unique_justseen('AAAABBBCCDAABBB'))
+    ['A', 'B', 'C', 'D', 'A', 'B']
+    >>> list(unique_justseen('ABBCcAD', str.lower))
+    ['A', 'B', 'C', 'A', 'D']
+
+    """
+    return map(next, map(operator.itemgetter(1), groupby(iterable, key)))
+
+
+def iter_except(func, exception, first=None):
+    """Yields results from a function repeatedly until an exception is raised.
+
+    Converts a call-until-exception interface to an iterator interface.
+    Like ``iter(func, sentinel)``, but uses an exception instead of a sentinel
+    to end the loop.
+
+        >>> l = [0, 1, 2]
+        >>> list(iter_except(l.pop, IndexError))
+        [2, 1, 0]
+
+    """
+    try:
+        if first is not None:
+            yield first()
+        while 1:
+            yield func()
+    except exception:
+        pass
+
+
+def first_true(iterable, default=None, pred=None):
+    """
+    Returns the first true value in the iterable.
+
+    If no true value is found, returns *default*
+
+    If *pred* is not None, returns the first item for which
+    ``pred(item) == True`` .
+
+        >>> first_true(range(10))
+        1
+        >>> first_true(range(10), pred=lambda x: x > 5)
+        6
+        >>> first_true(range(10), default='missing', pred=lambda x: x > 9)
+        'missing'
+
+    """
+    return next(filter(pred, iterable), default)
+
+
+def random_product(*args, repeat=1):
+    """Draw an item at random from each of the input iterables.
+
+        >>> random_product('abc', range(4), 'XYZ')  # doctest:+SKIP
+        ('c', 3, 'Z')
+
+    If *repeat* is provided as a keyword argument, that many items will be
+    drawn from each iterable.
+
+        >>> random_product('abcd', range(4), repeat=2)  # doctest:+SKIP
+        ('a', 2, 'd', 3)
+
+    This equivalent to taking a random selection from
+    ``itertools.product(*args, **kwarg)``.
+
+    """
+    pools = [tuple(pool) for pool in args] * repeat
+    return tuple(choice(pool) for pool in pools)
+
+
+def random_permutation(iterable, r=None):
+    """Return a random *r* length permutation of the elements in *iterable*.
+
+    If *r* is not specified or is ``None``, then *r* defaults to the length of
+    *iterable*.
+
+        >>> random_permutation(range(5))  # doctest:+SKIP
+        (3, 4, 0, 1, 2)
+
+    This equivalent to taking a random selection from
+    ``itertools.permutations(iterable, r)``.
+
+    """
+    pool = tuple(iterable)
+    r = len(pool) if r is None else r
+    return tuple(sample(pool, r))
+
+
+def random_combination(iterable, r):
+    """Return a random *r* length subsequence of the elements in *iterable*.
+
+        >>> random_combination(range(5), 3)  # doctest:+SKIP
+        (2, 3, 4)
+
+    This equivalent to taking a random selection from
+    ``itertools.combinations(iterable, r)``.
+
+    """
+    pool = tuple(iterable)
+    n = len(pool)
+    indices = sorted(sample(range(n), r))
+    return tuple(pool[i] for i in indices)
+
+
+def random_combination_with_replacement(iterable, r):
+    """Return a random *r* length subsequence of elements in *iterable*,
+    allowing individual elements to be repeated.
+
+        >>> random_combination_with_replacement(range(3), 5) # doctest:+SKIP
+        (0, 0, 1, 2, 2)
+
+    This equivalent to taking a random selection from
+    ``itertools.combinations_with_replacement(iterable, r)``.
+
+    """
+    pool = tuple(iterable)
+    n = len(pool)
+    indices = sorted(randrange(n) for i in range(r))
+    return tuple(pool[i] for i in indices)
+
+
+def nth_combination(iterable, r, index):
+    """Equivalent to ``list(combinations(iterable, r))[index]``.
+
+    The subsequences of *iterable* that are of length *r* can be ordered
+    lexicographically. :func:`nth_combination` computes the subsequence at
+    sort position *index* directly, without computing the previous
+    subsequences.
+
+        >>> nth_combination(range(5), 3, 5)
+        (0, 3, 4)
+
+    ``ValueError`` will be raised If *r* is negative or greater than the length
+    of *iterable*.
+    ``IndexError`` will be raised if the given *index* is invalid.
+    """
+    pool = tuple(iterable)
+    n = len(pool)
+    if (r < 0) or (r > n):
+        raise ValueError
+
+    c = 1
+    k = min(r, n - r)
+    for i in range(1, k + 1):
+        c = c * (n - k + i) // i
+
+    if index < 0:
+        index += c
+
+    if (index < 0) or (index >= c):
+        raise IndexError
+
+    result = []
+    while r:
+        c, n, r = c * r // n, n - 1, r - 1
+        while index >= c:
+            index -= c
+            c, n = c * (n - r) // n, n - 1
+        result.append(pool[-1 - n])
+
+    return tuple(result)
+
+
+def prepend(value, iterator):
+    """Yield *value*, followed by the elements in *iterator*.
+
+        >>> value = '0'
+        >>> iterator = ['1', '2', '3']
+        >>> list(prepend(value, iterator))
+        ['0', '1', '2', '3']
+
+    To prepend multiple values, see :func:`itertools.chain`
+    or :func:`value_chain`.
+
+    """
+    return chain([value], iterator)
+
+
+def convolve(signal, kernel):
+    """Convolve the iterable *signal* with the iterable *kernel*.
+
+        >>> signal = (1, 2, 3, 4, 5)
+        >>> kernel = [3, 2, 1]
+        >>> list(convolve(signal, kernel))
+        [3, 8, 14, 20, 26, 14, 5]
+
+    Note: the input arguments are not interchangeable, as the *kernel*
+    is immediately consumed and stored.
+
+    """
+    kernel = tuple(kernel)[::-1]
+    n = len(kernel)
+    window = deque([0], maxlen=n) * n
+    for x in chain(signal, repeat(0, n - 1)):
+        window.append(x)
+        yield sum(map(operator.mul, kernel, window))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/ordered_set.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/ordered_set.py
new file mode 100644
index 00000000..14876000
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/ordered_set.py
@@ -0,0 +1,488 @@
+"""
+An OrderedSet is a custom MutableSet that remembers its order, so that every
+entry has an index that can be looked up.
+
+Based on a recipe originally posted to ActiveState Recipes by Raymond Hettiger,
+and released under the MIT license.
+"""
+import itertools as it
+from collections import deque
+
+try:
+    # Python 3
+    from collections.abc import MutableSet, Sequence
+except ImportError:
+    # Python 2.7
+    from collections import MutableSet, Sequence
+
+SLICE_ALL = slice(None)
+__version__ = "3.1"
+
+
+def is_iterable(obj):
+    """
+    Are we being asked to look up a list of things, instead of a single thing?
+    We check for the `__iter__` attribute so that this can cover types that
+    don't have to be known by this module, such as NumPy arrays.
+
+    Strings, however, should be considered as atomic values to look up, not
+    iterables. The same goes for tuples, since they are immutable and therefore
+    valid entries.
+
+    We don't need to check for the Python 2 `unicode` type, because it doesn't
+    have an `__iter__` attribute anyway.
+    """
+    return (
+        hasattr(obj, "__iter__")
+        and not isinstance(obj, str)
+        and not isinstance(obj, tuple)
+    )
+
+
+class OrderedSet(MutableSet, Sequence):
+    """
+    An OrderedSet is a custom MutableSet that remembers its order, so that
+    every entry has an index that can be looked up.
+
+    Example:
+        >>> OrderedSet([1, 1, 2, 3, 2])
+        OrderedSet([1, 2, 3])
+    """
+
+    def __init__(self, iterable=None):
+        self.items = []
+        self.map = {}
+        if iterable is not None:
+            self |= iterable
+
+    def __len__(self):
+        """
+        Returns the number of unique elements in the ordered set
+
+        Example:
+            >>> len(OrderedSet([]))
+            0
+            >>> len(OrderedSet([1, 2]))
+            2
+        """
+        return len(self.items)
+
+    def __getitem__(self, index):
+        """
+        Get the item at a given index.
+
+        If `index` is a slice, you will get back that slice of items, as a
+        new OrderedSet.
+
+        If `index` is a list or a similar iterable, you'll get a list of
+        items corresponding to those indices. This is similar to NumPy's
+        "fancy indexing". The result is not an OrderedSet because you may ask
+        for duplicate indices, and the number of elements returned should be
+        the number of elements asked for.
+
+        Example:
+            >>> oset = OrderedSet([1, 2, 3])
+            >>> oset[1]
+            2
+        """
+        if isinstance(index, slice) and index == SLICE_ALL:
+            return self.copy()
+        elif is_iterable(index):
+            return [self.items[i] for i in index]
+        elif hasattr(index, "__index__") or isinstance(index, slice):
+            result = self.items[index]
+            if isinstance(result, list):
+                return self.__class__(result)
+            else:
+                return result
+        else:
+            raise TypeError("Don't know how to index an OrderedSet by %r" % index)
+
+    def copy(self):
+        """
+        Return a shallow copy of this object.
+
+        Example:
+            >>> this = OrderedSet([1, 2, 3])
+            >>> other = this.copy()
+            >>> this == other
+            True
+            >>> this is other
+            False
+        """
+        return self.__class__(self)
+
+    def __getstate__(self):
+        if len(self) == 0:
+            # The state can't be an empty list.
+            # We need to return a truthy value, or else __setstate__ won't be run.
+            #
+            # This could have been done more gracefully by always putting the state
+            # in a tuple, but this way is backwards- and forwards- compatible with
+            # previous versions of OrderedSet.
+            return (None,)
+        else:
+            return list(self)
+
+    def __setstate__(self, state):
+        if state == (None,):
+            self.__init__([])
+        else:
+            self.__init__(state)
+
+    def __contains__(self, key):
+        """
+        Test if the item is in this ordered set
+
+        Example:
+            >>> 1 in OrderedSet([1, 3, 2])
+            True
+            >>> 5 in OrderedSet([1, 3, 2])
+            False
+        """
+        return key in self.map
+
+    def add(self, key):
+        """
+        Add `key` as an item to this OrderedSet, then return its index.
+
+        If `key` is already in the OrderedSet, return the index it already
+        had.
+
+        Example:
+            >>> oset = OrderedSet()
+            >>> oset.append(3)
+            0
+            >>> print(oset)
+            OrderedSet([3])
+        """
+        if key not in self.map:
+            self.map[key] = len(self.items)
+            self.items.append(key)
+        return self.map[key]
+
+    append = add
+
+    def update(self, sequence):
+        """
+        Update the set with the given iterable sequence, then return the index
+        of the last element inserted.
+
+        Example:
+            >>> oset = OrderedSet([1, 2, 3])
+            >>> oset.update([3, 1, 5, 1, 4])
+            4
+            >>> print(oset)
+            OrderedSet([1, 2, 3, 5, 4])
+        """
+        item_index = None
+        try:
+            for item in sequence:
+                item_index = self.add(item)
+        except TypeError:
+            raise ValueError(
+                "Argument needs to be an iterable, got %s" % type(sequence)
+            )
+        return item_index
+
+    def index(self, key):
+        """
+        Get the index of a given entry, raising an IndexError if it's not
+        present.
+
+        `key` can be an iterable of entries that is not a string, in which case
+        this returns a list of indices.
+
+        Example:
+            >>> oset = OrderedSet([1, 2, 3])
+            >>> oset.index(2)
+            1
+        """
+        if is_iterable(key):
+            return [self.index(subkey) for subkey in key]
+        return self.map[key]
+
+    # Provide some compatibility with pd.Index
+    get_loc = index
+    get_indexer = index
+
+    def pop(self):
+        """
+        Remove and return the last element from the set.
+
+        Raises KeyError if the set is empty.
+
+        Example:
+            >>> oset = OrderedSet([1, 2, 3])
+            >>> oset.pop()
+            3
+        """
+        if not self.items:
+            raise KeyError("Set is empty")
+
+        elem = self.items[-1]
+        del self.items[-1]
+        del self.map[elem]
+        return elem
+
+    def discard(self, key):
+        """
+        Remove an element.  Do not raise an exception if absent.
+
+        The MutableSet mixin uses this to implement the .remove() method, which
+        *does* raise an error when asked to remove a non-existent item.
+
+        Example:
+            >>> oset = OrderedSet([1, 2, 3])
+            >>> oset.discard(2)
+            >>> print(oset)
+            OrderedSet([1, 3])
+            >>> oset.discard(2)
+            >>> print(oset)
+            OrderedSet([1, 3])
+        """
+        if key in self:
+            i = self.map[key]
+            del self.items[i]
+            del self.map[key]
+            for k, v in self.map.items():
+                if v >= i:
+                    self.map[k] = v - 1
+
+    def clear(self):
+        """
+        Remove all items from this OrderedSet.
+        """
+        del self.items[:]
+        self.map.clear()
+
+    def __iter__(self):
+        """
+        Example:
+            >>> list(iter(OrderedSet([1, 2, 3])))
+            [1, 2, 3]
+        """
+        return iter(self.items)
+
+    def __reversed__(self):
+        """
+        Example:
+            >>> list(reversed(OrderedSet([1, 2, 3])))
+            [3, 2, 1]
+        """
+        return reversed(self.items)
+
+    def __repr__(self):
+        if not self:
+            return "%s()" % (self.__class__.__name__,)
+        return "%s(%r)" % (self.__class__.__name__, list(self))
+
+    def __eq__(self, other):
+        """
+        Returns true if the containers have the same items. If `other` is a
+        Sequence, then order is checked, otherwise it is ignored.
+
+        Example:
+            >>> oset = OrderedSet([1, 3, 2])
+            >>> oset == [1, 3, 2]
+            True
+            >>> oset == [1, 2, 3]
+            False
+            >>> oset == [2, 3]
+            False
+            >>> oset == OrderedSet([3, 2, 1])
+            False
+        """
+        # In Python 2 deque is not a Sequence, so treat it as one for
+        # consistent behavior with Python 3.
+        if isinstance(other, (Sequence, deque)):
+            # Check that this OrderedSet contains the same elements, in the
+            # same order, as the other object.
+            return list(self) == list(other)
+        try:
+            other_as_set = set(other)
+        except TypeError:
+            # If `other` can't be converted into a set, it's not equal.
+            return False
+        else:
+            return set(self) == other_as_set
+
+    def union(self, *sets):
+        """
+        Combines all unique items.
+        Each items order is defined by its first appearance.
+
+        Example:
+            >>> oset = OrderedSet.union(OrderedSet([3, 1, 4, 1, 5]), [1, 3], [2, 0])
+            >>> print(oset)
+            OrderedSet([3, 1, 4, 5, 2, 0])
+            >>> oset.union([8, 9])
+            OrderedSet([3, 1, 4, 5, 2, 0, 8, 9])
+            >>> oset | {10}
+            OrderedSet([3, 1, 4, 5, 2, 0, 10])
+        """
+        cls = self.__class__ if isinstance(self, OrderedSet) else OrderedSet
+        containers = map(list, it.chain([self], sets))
+        items = it.chain.from_iterable(containers)
+        return cls(items)
+
+    def __and__(self, other):
+        # the parent implementation of this is backwards
+        return self.intersection(other)
+
+    def intersection(self, *sets):
+        """
+        Returns elements in common between all sets. Order is defined only
+        by the first set.
+
+        Example:
+            >>> oset = OrderedSet.intersection(OrderedSet([0, 1, 2, 3]), [1, 2, 3])
+            >>> print(oset)
+            OrderedSet([1, 2, 3])
+            >>> oset.intersection([2, 4, 5], [1, 2, 3, 4])
+            OrderedSet([2])
+            >>> oset.intersection()
+            OrderedSet([1, 2, 3])
+        """
+        cls = self.__class__ if isinstance(self, OrderedSet) else OrderedSet
+        if sets:
+            common = set.intersection(*map(set, sets))
+            items = (item for item in self if item in common)
+        else:
+            items = self
+        return cls(items)
+
+    def difference(self, *sets):
+        """
+        Returns all elements that are in this set but not the others.
+
+        Example:
+            >>> OrderedSet([1, 2, 3]).difference(OrderedSet([2]))
+            OrderedSet([1, 3])
+            >>> OrderedSet([1, 2, 3]).difference(OrderedSet([2]), OrderedSet([3]))
+            OrderedSet([1])
+            >>> OrderedSet([1, 2, 3]) - OrderedSet([2])
+            OrderedSet([1, 3])
+            >>> OrderedSet([1, 2, 3]).difference()
+            OrderedSet([1, 2, 3])
+        """
+        cls = self.__class__
+        if sets:
+            other = set.union(*map(set, sets))
+            items = (item for item in self if item not in other)
+        else:
+            items = self
+        return cls(items)
+
+    def issubset(self, other):
+        """
+        Report whether another set contains this set.
+
+        Example:
+            >>> OrderedSet([1, 2, 3]).issubset({1, 2})
+            False
+            >>> OrderedSet([1, 2, 3]).issubset({1, 2, 3, 4})
+            True
+            >>> OrderedSet([1, 2, 3]).issubset({1, 4, 3, 5})
+            False
+        """
+        if len(self) > len(other):  # Fast check for obvious cases
+            return False
+        return all(item in other for item in self)
+
+    def issuperset(self, other):
+        """
+        Report whether this set contains another set.
+
+        Example:
+            >>> OrderedSet([1, 2]).issuperset([1, 2, 3])
+            False
+            >>> OrderedSet([1, 2, 3, 4]).issuperset({1, 2, 3})
+            True
+            >>> OrderedSet([1, 4, 3, 5]).issuperset({1, 2, 3})
+            False
+        """
+        if len(self) < len(other):  # Fast check for obvious cases
+            return False
+        return all(item in self for item in other)
+
+    def symmetric_difference(self, other):
+        """
+        Return the symmetric difference of two OrderedSets as a new set.
+        That is, the new set will contain all elements that are in exactly
+        one of the sets.
+
+        Their order will be preserved, with elements from `self` preceding
+        elements from `other`.
+
+        Example:
+            >>> this = OrderedSet([1, 4, 3, 5, 7])
+            >>> other = OrderedSet([9, 7, 1, 3, 2])
+            >>> this.symmetric_difference(other)
+            OrderedSet([4, 5, 9, 2])
+        """
+        cls = self.__class__ if isinstance(self, OrderedSet) else OrderedSet
+        diff1 = cls(self).difference(other)
+        diff2 = cls(other).difference(self)
+        return diff1.union(diff2)
+
+    def _update_items(self, items):
+        """
+        Replace the 'items' list of this OrderedSet with a new one, updating
+        self.map accordingly.
+        """
+        self.items = items
+        self.map = {item: idx for (idx, item) in enumerate(items)}
+
+    def difference_update(self, *sets):
+        """
+        Update this OrderedSet to remove items from one or more other sets.
+
+        Example:
+            >>> this = OrderedSet([1, 2, 3])
+            >>> this.difference_update(OrderedSet([2, 4]))
+            >>> print(this)
+            OrderedSet([1, 3])
+
+            >>> this = OrderedSet([1, 2, 3, 4, 5])
+            >>> this.difference_update(OrderedSet([2, 4]), OrderedSet([1, 4, 6]))
+            >>> print(this)
+            OrderedSet([3, 5])
+        """
+        items_to_remove = set()
+        for other in sets:
+            items_to_remove |= set(other)
+        self._update_items([item for item in self.items if item not in items_to_remove])
+
+    def intersection_update(self, other):
+        """
+        Update this OrderedSet to keep only items in another set, preserving
+        their order in this set.
+
+        Example:
+            >>> this = OrderedSet([1, 4, 3, 5, 7])
+            >>> other = OrderedSet([9, 7, 1, 3, 2])
+            >>> this.intersection_update(other)
+            >>> print(this)
+            OrderedSet([1, 3, 7])
+        """
+        other = set(other)
+        self._update_items([item for item in self.items if item in other])
+
+    def symmetric_difference_update(self, other):
+        """
+        Update this OrderedSet to remove items from another set, then
+        add items from the other set that were not present in this set.
+
+        Example:
+            >>> this = OrderedSet([1, 4, 3, 5, 7])
+            >>> other = OrderedSet([9, 7, 1, 3, 2])
+            >>> this.symmetric_difference_update(other)
+            >>> print(this)
+            OrderedSet([4, 5, 9, 2])
+        """
+        items_to_add = [item for item in other if item not in self]
+        items_to_remove = set(other)
+        self._update_items(
+            [item for item in self.items if item not in items_to_remove] + items_to_add
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/__about__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/__about__.py
new file mode 100644
index 00000000..3551bc2d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/__about__.py
@@ -0,0 +1,26 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
+
+__title__ = "packaging"
+__summary__ = "Core utilities for Python packages"
+__uri__ = "https://github.com/pypa/packaging"
+
+__version__ = "21.3"
+
+__author__ = "Donald Stufft and individual contributors"
+__email__ = "donald@stufft.io"
+
+__license__ = "BSD-2-Clause or Apache-2.0"
+__copyright__ = "2014-2019 %s" % __author__
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/__init__.py
new file mode 100644
index 00000000..3c50c5dc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/__init__.py
@@ -0,0 +1,25 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from .__about__ import (
+    __author__,
+    __copyright__,
+    __email__,
+    __license__,
+    __summary__,
+    __title__,
+    __uri__,
+    __version__,
+)
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_manylinux.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_manylinux.py
new file mode 100644
index 00000000..4c379aa6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_manylinux.py
@@ -0,0 +1,301 @@
+import collections
+import functools
+import os
+import re
+import struct
+import sys
+import warnings
+from typing import IO, Dict, Iterator, NamedTuple, Optional, Tuple
+
+
+# Python does not provide platform information at sufficient granularity to
+# identify the architecture of the running executable in some cases, so we
+# determine it dynamically by reading the information from the running
+# process. This only applies on Linux, which uses the ELF format.
+class _ELFFileHeader:
+    # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header
+    class _InvalidELFFileHeader(ValueError):
+        """
+        An invalid ELF file header was found.
+        """
+
+    ELF_MAGIC_NUMBER = 0x7F454C46
+    ELFCLASS32 = 1
+    ELFCLASS64 = 2
+    ELFDATA2LSB = 1
+    ELFDATA2MSB = 2
+    EM_386 = 3
+    EM_S390 = 22
+    EM_ARM = 40
+    EM_X86_64 = 62
+    EF_ARM_ABIMASK = 0xFF000000
+    EF_ARM_ABI_VER5 = 0x05000000
+    EF_ARM_ABI_FLOAT_HARD = 0x00000400
+
+    def __init__(self, file: IO[bytes]) -> None:
+        def unpack(fmt: str) -> int:
+            try:
+                data = file.read(struct.calcsize(fmt))
+                result: Tuple[int, ...] = struct.unpack(fmt, data)
+            except struct.error:
+                raise _ELFFileHeader._InvalidELFFileHeader()
+            return result[0]
+
+        self.e_ident_magic = unpack(">I")
+        if self.e_ident_magic != self.ELF_MAGIC_NUMBER:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_class = unpack("B")
+        if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_data = unpack("B")
+        if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}:
+            raise _ELFFileHeader._InvalidELFFileHeader()
+        self.e_ident_version = unpack("B")
+        self.e_ident_osabi = unpack("B")
+        self.e_ident_abiversion = unpack("B")
+        self.e_ident_pad = file.read(7)
+        format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H"
+        format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I"
+        format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q"
+        format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q
+        self.e_type = unpack(format_h)
+        self.e_machine = unpack(format_h)
+        self.e_version = unpack(format_i)
+        self.e_entry = unpack(format_p)
+        self.e_phoff = unpack(format_p)
+        self.e_shoff = unpack(format_p)
+        self.e_flags = unpack(format_i)
+        self.e_ehsize = unpack(format_h)
+        self.e_phentsize = unpack(format_h)
+        self.e_phnum = unpack(format_h)
+        self.e_shentsize = unpack(format_h)
+        self.e_shnum = unpack(format_h)
+        self.e_shstrndx = unpack(format_h)
+
+
+def _get_elf_header() -> Optional[_ELFFileHeader]:
+    try:
+        with open(sys.executable, "rb") as f:
+            elf_header = _ELFFileHeader(f)
+    except (OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader):
+        return None
+    return elf_header
+
+
+def _is_linux_armhf() -> bool:
+    # hard-float ABI can be detected from the ELF header of the running
+    # process
+    # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_ARM
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABIMASK
+    ) == elf_header.EF_ARM_ABI_VER5
+    result &= (
+        elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD
+    ) == elf_header.EF_ARM_ABI_FLOAT_HARD
+    return result
+
+
+def _is_linux_i686() -> bool:
+    elf_header = _get_elf_header()
+    if elf_header is None:
+        return False
+    result = elf_header.e_ident_class == elf_header.ELFCLASS32
+    result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB
+    result &= elf_header.e_machine == elf_header.EM_386
+    return result
+
+
+def _have_compatible_abi(arch: str) -> bool:
+    if arch == "armv7l":
+        return _is_linux_armhf()
+    if arch == "i686":
+        return _is_linux_i686()
+    return arch in {"x86_64", "aarch64", "ppc64", "ppc64le", "s390x"}
+
+
+# If glibc ever changes its major version, we need to know what the last
+# minor version was, so we can build the complete list of all versions.
+# For now, guess what the highest minor version might be, assume it will
+# be 50 for testing. Once this actually happens, update the dictionary
+# with the actual value.
+_LAST_GLIBC_MINOR: Dict[int, int] = collections.defaultdict(lambda: 50)
+
+
+class _GLibCVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _glibc_version_string_confstr() -> Optional[str]:
+    """
+    Primary implementation of glibc_version_string using os.confstr.
+    """
+    # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
+    # to be broken or missing. This strategy is used in the standard library
+    # platform module.
+    # https://github.com/python/cpython/blob/fcf1d003bf4f0100c/Lib/platform.py#L175-L183
+    try:
+        # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17".
+        version_string = os.confstr("CS_GNU_LIBC_VERSION")
+        assert version_string is not None
+        _, version = version_string.split()
+    except (AssertionError, AttributeError, OSError, ValueError):
+        # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
+        return None
+    return version
+
+
+def _glibc_version_string_ctypes() -> Optional[str]:
+    """
+    Fallback implementation of glibc_version_string using ctypes.
+    """
+    try:
+        import ctypes
+    except ImportError:
+        return None
+
+    # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
+    # manpage says, "If filename is NULL, then the returned handle is for the
+    # main program". This way we can let the linker do the work to figure out
+    # which libc our process is actually using.
+    #
+    # We must also handle the special case where the executable is not a
+    # dynamically linked executable. This can occur when using musl libc,
+    # for example. In this situation, dlopen() will error, leading to an
+    # OSError. Interestingly, at least in the case of musl, there is no
+    # errno set on the OSError. The single string argument used to construct
+    # OSError comes from libc itself and is therefore not portable to
+    # hard code here. In any case, failure to call dlopen() means we
+    # can proceed, so we bail on our attempt.
+    try:
+        process_namespace = ctypes.CDLL(None)
+    except OSError:
+        return None
+
+    try:
+        gnu_get_libc_version = process_namespace.gnu_get_libc_version
+    except AttributeError:
+        # Symbol doesn't exist -> therefore, we are not linked to
+        # glibc.
+        return None
+
+    # Call gnu_get_libc_version, which returns a string like "2.5"
+    gnu_get_libc_version.restype = ctypes.c_char_p
+    version_str: str = gnu_get_libc_version()
+    # py2 / py3 compatibility:
+    if not isinstance(version_str, str):
+        version_str = version_str.decode("ascii")
+
+    return version_str
+
+
+def _glibc_version_string() -> Optional[str]:
+    """Returns glibc version string, or None if not using glibc."""
+    return _glibc_version_string_confstr() or _glibc_version_string_ctypes()
+
+
+def _parse_glibc_version(version_str: str) -> Tuple[int, int]:
+    """Parse glibc version.
+
+    We use a regexp instead of str.split because we want to discard any
+    random junk that might come after the minor version -- this might happen
+    in patched/forked versions of glibc (e.g. Linaro's version of glibc
+    uses version strings like "2.20-2014.11"). See gh-3588.
+    """
+    m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str)
+    if not m:
+        warnings.warn(
+            "Expected glibc version with 2 components major.minor,"
+            " got: %s" % version_str,
+            RuntimeWarning,
+        )
+        return -1, -1
+    return int(m.group("major")), int(m.group("minor"))
+
+
+@functools.lru_cache()
+def _get_glibc_version() -> Tuple[int, int]:
+    version_str = _glibc_version_string()
+    if version_str is None:
+        return (-1, -1)
+    return _parse_glibc_version(version_str)
+
+
+# From PEP 513, PEP 600
+def _is_compatible(name: str, arch: str, version: _GLibCVersion) -> bool:
+    sys_glibc = _get_glibc_version()
+    if sys_glibc < version:
+        return False
+    # Check for presence of _manylinux module.
+    try:
+        import _manylinux  # noqa
+    except ImportError:
+        return True
+    if hasattr(_manylinux, "manylinux_compatible"):
+        result = _manylinux.manylinux_compatible(version[0], version[1], arch)
+        if result is not None:
+            return bool(result)
+        return True
+    if version == _GLibCVersion(2, 5):
+        if hasattr(_manylinux, "manylinux1_compatible"):
+            return bool(_manylinux.manylinux1_compatible)
+    if version == _GLibCVersion(2, 12):
+        if hasattr(_manylinux, "manylinux2010_compatible"):
+            return bool(_manylinux.manylinux2010_compatible)
+    if version == _GLibCVersion(2, 17):
+        if hasattr(_manylinux, "manylinux2014_compatible"):
+            return bool(_manylinux.manylinux2014_compatible)
+    return True
+
+
+_LEGACY_MANYLINUX_MAP = {
+    # CentOS 7 w/ glibc 2.17 (PEP 599)
+    (2, 17): "manylinux2014",
+    # CentOS 6 w/ glibc 2.12 (PEP 571)
+    (2, 12): "manylinux2010",
+    # CentOS 5 w/ glibc 2.5 (PEP 513)
+    (2, 5): "manylinux1",
+}
+
+
+def platform_tags(linux: str, arch: str) -> Iterator[str]:
+    if not _have_compatible_abi(arch):
+        return
+    # Oldest glibc to be supported regardless of architecture is (2, 17).
+    too_old_glibc2 = _GLibCVersion(2, 16)
+    if arch in {"x86_64", "i686"}:
+        # On x86/i686 also oldest glibc to be supported is (2, 5).
+        too_old_glibc2 = _GLibCVersion(2, 4)
+    current_glibc = _GLibCVersion(*_get_glibc_version())
+    glibc_max_list = [current_glibc]
+    # We can assume compatibility across glibc major versions.
+    # https://sourceware.org/bugzilla/show_bug.cgi?id=24636
+    #
+    # Build a list of maximum glibc versions so that we can
+    # output the canonical list of all glibc from current_glibc
+    # down to too_old_glibc2, including all intermediary versions.
+    for glibc_major in range(current_glibc.major - 1, 1, -1):
+        glibc_minor = _LAST_GLIBC_MINOR[glibc_major]
+        glibc_max_list.append(_GLibCVersion(glibc_major, glibc_minor))
+    for glibc_max in glibc_max_list:
+        if glibc_max.major == too_old_glibc2.major:
+            min_minor = too_old_glibc2.minor
+        else:
+            # For other glibc major versions oldest supported is (x, 0).
+            min_minor = -1
+        for glibc_minor in range(glibc_max.minor, min_minor, -1):
+            glibc_version = _GLibCVersion(glibc_max.major, glibc_minor)
+            tag = "manylinux_{}_{}".format(*glibc_version)
+            if _is_compatible(tag, arch, glibc_version):
+                yield linux.replace("linux", tag)
+            # Handle the legacy manylinux1, manylinux2010, manylinux2014 tags.
+            if glibc_version in _LEGACY_MANYLINUX_MAP:
+                legacy_tag = _LEGACY_MANYLINUX_MAP[glibc_version]
+                if _is_compatible(legacy_tag, arch, glibc_version):
+                    yield linux.replace("linux", legacy_tag)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_musllinux.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_musllinux.py
new file mode 100644
index 00000000..8ac3059b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_musllinux.py
@@ -0,0 +1,136 @@
+"""PEP 656 support.
+
+This module implements logic to detect if the currently running Python is
+linked against musl, and what musl version is used.
+"""
+
+import contextlib
+import functools
+import operator
+import os
+import re
+import struct
+import subprocess
+import sys
+from typing import IO, Iterator, NamedTuple, Optional, Tuple
+
+
+def _read_unpacked(f: IO[bytes], fmt: str) -> Tuple[int, ...]:
+    return struct.unpack(fmt, f.read(struct.calcsize(fmt)))
+
+
+def _parse_ld_musl_from_elf(f: IO[bytes]) -> Optional[str]:
+    """Detect musl libc location by parsing the Python executable.
+
+    Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca
+    ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html
+    """
+    f.seek(0)
+    try:
+        ident = _read_unpacked(f, "16B")
+    except struct.error:
+        return None
+    if ident[:4] != tuple(b"\x7fELF"):  # Invalid magic, not ELF.
+        return None
+    f.seek(struct.calcsize("HHI"), 1)  # Skip file type, machine, and version.
+
+    try:
+        # e_fmt: Format for program header.
+        # p_fmt: Format for section header.
+        # p_idx: Indexes to find p_type, p_offset, and p_filesz.
+        e_fmt, p_fmt, p_idx = {
+            1: ("IIIIHHH", "IIIIIIII", (0, 1, 4)),  # 32-bit.
+            2: ("QQQIHHH", "IIQQQQQQ", (0, 2, 5)),  # 64-bit.
+        }[ident[4]]
+    except KeyError:
+        return None
+    else:
+        p_get = operator.itemgetter(*p_idx)
+
+    # Find the interpreter section and return its content.
+    try:
+        _, e_phoff, _, _, _, e_phentsize, e_phnum = _read_unpacked(f, e_fmt)
+    except struct.error:
+        return None
+    for i in range(e_phnum + 1):
+        f.seek(e_phoff + e_phentsize * i)
+        try:
+            p_type, p_offset, p_filesz = p_get(_read_unpacked(f, p_fmt))
+        except struct.error:
+            return None
+        if p_type != 3:  # Not PT_INTERP.
+            continue
+        f.seek(p_offset)
+        interpreter = os.fsdecode(f.read(p_filesz)).strip("\0")
+        if "musl" not in interpreter:
+            return None
+        return interpreter
+    return None
+
+
+class _MuslVersion(NamedTuple):
+    major: int
+    minor: int
+
+
+def _parse_musl_version(output: str) -> Optional[_MuslVersion]:
+    lines = [n for n in (n.strip() for n in output.splitlines()) if n]
+    if len(lines) < 2 or lines[0][:4] != "musl":
+        return None
+    m = re.match(r"Version (\d+)\.(\d+)", lines[1])
+    if not m:
+        return None
+    return _MuslVersion(major=int(m.group(1)), minor=int(m.group(2)))
+
+
+@functools.lru_cache()
+def _get_musl_version(executable: str) -> Optional[_MuslVersion]:
+    """Detect currently-running musl runtime version.
+
+    This is done by checking the specified executable's dynamic linking
+    information, and invoking the loader to parse its output for a version
+    string. If the loader is musl, the output would be something like::
+
+        musl libc (x86_64)
+        Version 1.2.2
+        Dynamic Program Loader
+    """
+    with contextlib.ExitStack() as stack:
+        try:
+            f = stack.enter_context(open(executable, "rb"))
+        except OSError:
+            return None
+        ld = _parse_ld_musl_from_elf(f)
+    if not ld:
+        return None
+    proc = subprocess.run([ld], stderr=subprocess.PIPE, universal_newlines=True)
+    return _parse_musl_version(proc.stderr)
+
+
+def platform_tags(arch: str) -> Iterator[str]:
+    """Generate musllinux tags compatible to the current platform.
+
+    :param arch: Should be the part of platform tag after the ``linux_``
+        prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a
+        prerequisite for the current platform to be musllinux-compatible.
+
+    :returns: An iterator of compatible musllinux tags.
+    """
+    sys_musl = _get_musl_version(sys.executable)
+    if sys_musl is None:  # Python not dynamically linked against musl.
+        return
+    for minor in range(sys_musl.minor, -1, -1):
+        yield f"musllinux_{sys_musl.major}_{minor}_{arch}"
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sysconfig
+
+    plat = sysconfig.get_platform()
+    assert plat.startswith("linux-"), "not linux"
+
+    print("plat:", plat)
+    print("musl:", _get_musl_version(sys.executable))
+    print("tags:", end=" ")
+    for t in platform_tags(re.sub(r"[.-]", "_", plat.split("-", 1)[-1])):
+        print(t, end="\n      ")
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_structures.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_structures.py
new file mode 100644
index 00000000..90a6465f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/_structures.py
@@ -0,0 +1,61 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+
+class InfinityType:
+    def __repr__(self) -> str:
+        return "Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return False
+
+    def __le__(self, other: object) -> bool:
+        return False
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return True
+
+    def __ge__(self, other: object) -> bool:
+        return True
+
+    def __neg__(self: object) -> "NegativeInfinityType":
+        return NegativeInfinity
+
+
+Infinity = InfinityType()
+
+
+class NegativeInfinityType:
+    def __repr__(self) -> str:
+        return "-Infinity"
+
+    def __hash__(self) -> int:
+        return hash(repr(self))
+
+    def __lt__(self, other: object) -> bool:
+        return True
+
+    def __le__(self, other: object) -> bool:
+        return True
+
+    def __eq__(self, other: object) -> bool:
+        return isinstance(other, self.__class__)
+
+    def __gt__(self, other: object) -> bool:
+        return False
+
+    def __ge__(self, other: object) -> bool:
+        return False
+
+    def __neg__(self: object) -> InfinityType:
+        return Infinity
+
+
+NegativeInfinity = NegativeInfinityType()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/markers.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/markers.py
new file mode 100644
index 00000000..eb0541b8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/markers.py
@@ -0,0 +1,304 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import operator
+import os
+import platform
+import sys
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
+
+from setuptools.extern.pyparsing import (  # noqa: N817
+    Forward,
+    Group,
+    Literal as L,
+    ParseException,
+    ParseResults,
+    QuotedString,
+    ZeroOrMore,
+    stringEnd,
+    stringStart,
+)
+
+from .specifiers import InvalidSpecifier, Specifier
+
+__all__ = [
+    "InvalidMarker",
+    "UndefinedComparison",
+    "UndefinedEnvironmentName",
+    "Marker",
+    "default_environment",
+]
+
+Operator = Callable[[str, str], bool]
+
+
+class InvalidMarker(ValueError):
+    """
+    An invalid marker was found, users should refer to PEP 508.
+    """
+
+
+class UndefinedComparison(ValueError):
+    """
+    An invalid operation was attempted on a value that doesn't support it.
+    """
+
+
+class UndefinedEnvironmentName(ValueError):
+    """
+    A name was attempted to be used that does not exist inside of the
+    environment.
+    """
+
+
+class Node:
+    def __init__(self, value: Any) -> None:
+        self.value = value
+
+    def __str__(self) -> str:
+        return str(self.value)
+
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__}('{self}')>"
+
+    def serialize(self) -> str:
+        raise NotImplementedError
+
+
+class Variable(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+class Value(Node):
+    def serialize(self) -> str:
+        return f'"{self}"'
+
+
+class Op(Node):
+    def serialize(self) -> str:
+        return str(self)
+
+
+VARIABLE = (
+    L("implementation_version")
+    | L("platform_python_implementation")
+    | L("implementation_name")
+    | L("python_full_version")
+    | L("platform_release")
+    | L("platform_version")
+    | L("platform_machine")
+    | L("platform_system")
+    | L("python_version")
+    | L("sys_platform")
+    | L("os_name")
+    | L("os.name")  # PEP-345
+    | L("sys.platform")  # PEP-345
+    | L("platform.version")  # PEP-345
+    | L("platform.machine")  # PEP-345
+    | L("platform.python_implementation")  # PEP-345
+    | L("python_implementation")  # undocumented setuptools legacy
+    | L("extra")  # PEP-508
+)
+ALIASES = {
+    "os.name": "os_name",
+    "sys.platform": "sys_platform",
+    "platform.version": "platform_version",
+    "platform.machine": "platform_machine",
+    "platform.python_implementation": "platform_python_implementation",
+    "python_implementation": "platform_python_implementation",
+}
+VARIABLE.setParseAction(lambda s, l, t: Variable(ALIASES.get(t[0], t[0])))
+
+VERSION_CMP = (
+    L("===") | L("==") | L(">=") | L("<=") | L("!=") | L("~=") | L(">") | L("<")
+)
+
+MARKER_OP = VERSION_CMP | L("not in") | L("in")
+MARKER_OP.setParseAction(lambda s, l, t: Op(t[0]))
+
+MARKER_VALUE = QuotedString("'") | QuotedString('"')
+MARKER_VALUE.setParseAction(lambda s, l, t: Value(t[0]))
+
+BOOLOP = L("and") | L("or")
+
+MARKER_VAR = VARIABLE | MARKER_VALUE
+
+MARKER_ITEM = Group(MARKER_VAR + MARKER_OP + MARKER_VAR)
+MARKER_ITEM.setParseAction(lambda s, l, t: tuple(t[0]))
+
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+
+MARKER_EXPR = Forward()
+MARKER_ATOM = MARKER_ITEM | Group(LPAREN + MARKER_EXPR + RPAREN)
+MARKER_EXPR << MARKER_ATOM + ZeroOrMore(BOOLOP + MARKER_EXPR)
+
+MARKER = stringStart + MARKER_EXPR + stringEnd
+
+
+def _coerce_parse_result(results: Union[ParseResults, List[Any]]) -> List[Any]:
+    if isinstance(results, ParseResults):
+        return [_coerce_parse_result(i) for i in results]
+    else:
+        return results
+
+
+def _format_marker(
+    marker: Union[List[str], Tuple[Node, ...], str], first: Optional[bool] = True
+) -> str:
+
+    assert isinstance(marker, (list, tuple, str))
+
+    # Sometimes we have a structure like [[...]] which is a single item list
+    # where the single item is itself it's own list. In that case we want skip
+    # the rest of this function so that we don't get extraneous () on the
+    # outside.
+    if (
+        isinstance(marker, list)
+        and len(marker) == 1
+        and isinstance(marker[0], (list, tuple))
+    ):
+        return _format_marker(marker[0])
+
+    if isinstance(marker, list):
+        inner = (_format_marker(m, first=False) for m in marker)
+        if first:
+            return " ".join(inner)
+        else:
+            return "(" + " ".join(inner) + ")"
+    elif isinstance(marker, tuple):
+        return " ".join([m.serialize() for m in marker])
+    else:
+        return marker
+
+
+_operators: Dict[str, Operator] = {
+    "in": lambda lhs, rhs: lhs in rhs,
+    "not in": lambda lhs, rhs: lhs not in rhs,
+    "<": operator.lt,
+    "<=": operator.le,
+    "==": operator.eq,
+    "!=": operator.ne,
+    ">=": operator.ge,
+    ">": operator.gt,
+}
+
+
+def _eval_op(lhs: str, op: Op, rhs: str) -> bool:
+    try:
+        spec = Specifier("".join([op.serialize(), rhs]))
+    except InvalidSpecifier:
+        pass
+    else:
+        return spec.contains(lhs)
+
+    oper: Optional[Operator] = _operators.get(op.serialize())
+    if oper is None:
+        raise UndefinedComparison(f"Undefined {op!r} on {lhs!r} and {rhs!r}.")
+
+    return oper(lhs, rhs)
+
+
+class Undefined:
+    pass
+
+
+_undefined = Undefined()
+
+
+def _get_env(environment: Dict[str, str], name: str) -> str:
+    value: Union[str, Undefined] = environment.get(name, _undefined)
+
+    if isinstance(value, Undefined):
+        raise UndefinedEnvironmentName(
+            f"{name!r} does not exist in evaluation environment."
+        )
+
+    return value
+
+
+def _evaluate_markers(markers: List[Any], environment: Dict[str, str]) -> bool:
+    groups: List[List[bool]] = [[]]
+
+    for marker in markers:
+        assert isinstance(marker, (list, tuple, str))
+
+        if isinstance(marker, list):
+            groups[-1].append(_evaluate_markers(marker, environment))
+        elif isinstance(marker, tuple):
+            lhs, op, rhs = marker
+
+            if isinstance(lhs, Variable):
+                lhs_value = _get_env(environment, lhs.value)
+                rhs_value = rhs.value
+            else:
+                lhs_value = lhs.value
+                rhs_value = _get_env(environment, rhs.value)
+
+            groups[-1].append(_eval_op(lhs_value, op, rhs_value))
+        else:
+            assert marker in ["and", "or"]
+            if marker == "or":
+                groups.append([])
+
+    return any(all(item) for item in groups)
+
+
+def format_full_version(info: "sys._version_info") -> str:
+    version = "{0.major}.{0.minor}.{0.micro}".format(info)
+    kind = info.releaselevel
+    if kind != "final":
+        version += kind[0] + str(info.serial)
+    return version
+
+
+def default_environment() -> Dict[str, str]:
+    iver = format_full_version(sys.implementation.version)
+    implementation_name = sys.implementation.name
+    return {
+        "implementation_name": implementation_name,
+        "implementation_version": iver,
+        "os_name": os.name,
+        "platform_machine": platform.machine(),
+        "platform_release": platform.release(),
+        "platform_system": platform.system(),
+        "platform_version": platform.version(),
+        "python_full_version": platform.python_version(),
+        "platform_python_implementation": platform.python_implementation(),
+        "python_version": ".".join(platform.python_version_tuple()[:2]),
+        "sys_platform": sys.platform,
+    }
+
+
+class Marker:
+    def __init__(self, marker: str) -> None:
+        try:
+            self._markers = _coerce_parse_result(MARKER.parseString(marker))
+        except ParseException as e:
+            raise InvalidMarker(
+                f"Invalid marker: {marker!r}, parse error at "
+                f"{marker[e.loc : e.loc + 8]!r}"
+            )
+
+    def __str__(self) -> str:
+        return _format_marker(self._markers)
+
+    def __repr__(self) -> str:
+        return f"<Marker('{self}')>"
+
+    def evaluate(self, environment: Optional[Dict[str, str]] = None) -> bool:
+        """Evaluate a marker.
+
+        Return the boolean from evaluating the given marker against the
+        environment. environment is an optional argument to override all or
+        part of the determined environment.
+
+        The environment is determined from the current Python process.
+        """
+        current_environment = default_environment()
+        if environment is not None:
+            current_environment.update(environment)
+
+        return _evaluate_markers(self._markers, current_environment)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/requirements.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/requirements.py
new file mode 100644
index 00000000..0d93231b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/requirements.py
@@ -0,0 +1,146 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+import string
+import urllib.parse
+from typing import List, Optional as TOptional, Set
+
+from setuptools.extern.pyparsing import (  # noqa
+    Combine,
+    Literal as L,
+    Optional,
+    ParseException,
+    Regex,
+    Word,
+    ZeroOrMore,
+    originalTextFor,
+    stringEnd,
+    stringStart,
+)
+
+from .markers import MARKER_EXPR, Marker
+from .specifiers import LegacySpecifier, Specifier, SpecifierSet
+
+
+class InvalidRequirement(ValueError):
+    """
+    An invalid requirement was found, users should refer to PEP 508.
+    """
+
+
+ALPHANUM = Word(string.ascii_letters + string.digits)
+
+LBRACKET = L("[").suppress()
+RBRACKET = L("]").suppress()
+LPAREN = L("(").suppress()
+RPAREN = L(")").suppress()
+COMMA = L(",").suppress()
+SEMICOLON = L(";").suppress()
+AT = L("@").suppress()
+
+PUNCTUATION = Word("-_.")
+IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM)
+IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END))
+
+NAME = IDENTIFIER("name")
+EXTRA = IDENTIFIER
+
+URI = Regex(r"[^ ]+")("url")
+URL = AT + URI
+
+EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA)
+EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras")
+
+VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE)
+VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE)
+
+VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY
+VERSION_MANY = Combine(
+    VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False
+)("_raw_spec")
+_VERSION_SPEC = Optional((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)
+_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or "")
+
+VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier")
+VERSION_SPEC.setParseAction(lambda s, l, t: t[1])
+
+MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
+MARKER_EXPR.setParseAction(
+    lambda s, l, t: Marker(s[t._original_start : t._original_end])
+)
+MARKER_SEPARATOR = SEMICOLON
+MARKER = MARKER_SEPARATOR + MARKER_EXPR
+
+VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER)
+URL_AND_MARKER = URL + Optional(MARKER)
+
+NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)
+
+REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd
+# setuptools.extern.pyparsing isn't thread safe during initialization, so we do it eagerly, see
+# issue #104
+REQUIREMENT.parseString("x[]")
+
+
+class Requirement:
+    """Parse a requirement.
+
+    Parse a given requirement string into its parts, such as name, specifier,
+    URL, and extras. Raises InvalidRequirement on a badly-formed requirement
+    string.
+    """
+
+    # TODO: Can we test whether something is contained within a requirement?
+    #       If so how do we do that? Do we need to test against the _name_ of
+    #       the thing as well as the version? What about the markers?
+    # TODO: Can we normalize the name and extra name?
+
+    def __init__(self, requirement_string: str) -> None:
+        try:
+            req = REQUIREMENT.parseString(requirement_string)
+        except ParseException as e:
+            raise InvalidRequirement(
+                f'Parse error at "{ requirement_string[e.loc : e.loc + 8]!r}": {e.msg}'
+            )
+
+        self.name: str = req.name
+        if req.url:
+            parsed_url = urllib.parse.urlparse(req.url)
+            if parsed_url.scheme == "file":
+                if urllib.parse.urlunparse(parsed_url) != req.url:
+                    raise InvalidRequirement("Invalid URL given")
+            elif not (parsed_url.scheme and parsed_url.netloc) or (
+                not parsed_url.scheme and not parsed_url.netloc
+            ):
+                raise InvalidRequirement(f"Invalid URL: {req.url}")
+            self.url: TOptional[str] = req.url
+        else:
+            self.url = None
+        self.extras: Set[str] = set(req.extras.asList() if req.extras else [])
+        self.specifier: SpecifierSet = SpecifierSet(req.specifier)
+        self.marker: TOptional[Marker] = req.marker if req.marker else None
+
+    def __str__(self) -> str:
+        parts: List[str] = [self.name]
+
+        if self.extras:
+            formatted_extras = ",".join(sorted(self.extras))
+            parts.append(f"[{formatted_extras}]")
+
+        if self.specifier:
+            parts.append(str(self.specifier))
+
+        if self.url:
+            parts.append(f"@ {self.url}")
+            if self.marker:
+                parts.append(" ")
+
+        if self.marker:
+            parts.append(f"; {self.marker}")
+
+        return "".join(parts)
+
+    def __repr__(self) -> str:
+        return f"<Requirement('{self}')>"
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/specifiers.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/specifiers.py
new file mode 100644
index 00000000..0e218a6f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/specifiers.py
@@ -0,0 +1,802 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import abc
+import functools
+import itertools
+import re
+import warnings
+from typing import (
+    Callable,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Pattern,
+    Set,
+    Tuple,
+    TypeVar,
+    Union,
+)
+
+from .utils import canonicalize_version
+from .version import LegacyVersion, Version, parse
+
+ParsedVersion = Union[Version, LegacyVersion]
+UnparsedVersion = Union[Version, LegacyVersion, str]
+VersionTypeVar = TypeVar("VersionTypeVar", bound=UnparsedVersion)
+CallableOperator = Callable[[ParsedVersion, str], bool]
+
+
+class InvalidSpecifier(ValueError):
+    """
+    An invalid specifier was found, users should refer to PEP 440.
+    """
+
+
+class BaseSpecifier(metaclass=abc.ABCMeta):
+    @abc.abstractmethod
+    def __str__(self) -> str:
+        """
+        Returns the str representation of this Specifier like object. This
+        should be representative of the Specifier itself.
+        """
+
+    @abc.abstractmethod
+    def __hash__(self) -> int:
+        """
+        Returns a hash value for this Specifier like object.
+        """
+
+    @abc.abstractmethod
+    def __eq__(self, other: object) -> bool:
+        """
+        Returns a boolean representing whether or not the two Specifier like
+        objects are equal.
+        """
+
+    @abc.abstractproperty
+    def prereleases(self) -> Optional[bool]:
+        """
+        Returns whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        """
+        Sets whether or not pre-releases as a whole are allowed by this
+        specifier.
+        """
+
+    @abc.abstractmethod
+    def contains(self, item: str, prereleases: Optional[bool] = None) -> bool:
+        """
+        Determines if the given item is contained within this specifier.
+        """
+
+    @abc.abstractmethod
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+        """
+        Takes an iterable of items and filters them so that only items which
+        are contained within this specifier are allowed in it.
+        """
+
+
+class _IndividualSpecifier(BaseSpecifier):
+
+    _operators: Dict[str, str] = {}
+    _regex: Pattern[str]
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        match = self._regex.search(spec)
+        if not match:
+            raise InvalidSpecifier(f"Invalid specifier: '{spec}'")
+
+        self._spec: Tuple[str, str] = (
+            match.group("operator").strip(),
+            match.group("version").strip(),
+        )
+
+        # Store whether or not this Specifier should accept prereleases
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return f"<{self.__class__.__name__}({str(self)!r}{pre})>"
+
+    def __str__(self) -> str:
+        return "{}{}".format(*self._spec)
+
+    @property
+    def _canonical_spec(self) -> Tuple[str, str]:
+        return self._spec[0], canonicalize_version(self._spec[1])
+
+    def __hash__(self) -> int:
+        return hash(self._canonical_spec)
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, str):
+            try:
+                other = self.__class__(str(other))
+            except InvalidSpecifier:
+                return NotImplemented
+        elif not isinstance(other, self.__class__):
+            return NotImplemented
+
+        return self._canonical_spec == other._canonical_spec
+
+    def _get_operator(self, op: str) -> CallableOperator:
+        operator_callable: CallableOperator = getattr(
+            self, f"_compare_{self._operators[op]}"
+        )
+        return operator_callable
+
+    def _coerce_version(self, version: UnparsedVersion) -> ParsedVersion:
+        if not isinstance(version, (LegacyVersion, Version)):
+            version = parse(version)
+        return version
+
+    @property
+    def operator(self) -> str:
+        return self._spec[0]
+
+    @property
+    def version(self) -> str:
+        return self._spec[1]
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+        return self._prereleases
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: str) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Determine if prereleases are to be allowed or not.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # Normalize item to a Version or LegacyVersion, this allows us to have
+        # a shortcut for ``"2.0" in Specifier(">=2")
+        normalized_item = self._coerce_version(item)
+
+        # Determine if we should be supporting prereleases in this specifier
+        # or not, if we do not support prereleases than we can short circuit
+        # logic if this version is a prereleases.
+        if normalized_item.is_prerelease and not prereleases:
+            return False
+
+        # Actually do the comparison to determine if this item is contained
+        # within this Specifier or not.
+        operator_callable: CallableOperator = self._get_operator(self.operator)
+        return operator_callable(normalized_item, self.version)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        yielded = False
+        found_prereleases = []
+
+        kw = {"prereleases": prereleases if prereleases is not None else True}
+
+        # Attempt to iterate over all the values in the iterable and if any of
+        # them match, yield them.
+        for version in iterable:
+            parsed_version = self._coerce_version(version)
+
+            if self.contains(parsed_version, **kw):
+                # If our version is a prerelease, and we were not set to allow
+                # prereleases, then we'll store it for later in case nothing
+                # else matches this specifier.
+                if parsed_version.is_prerelease and not (
+                    prereleases or self.prereleases
+                ):
+                    found_prereleases.append(version)
+                # Either this is not a prerelease, or we should have been
+                # accepting prereleases from the beginning.
+                else:
+                    yielded = True
+                    yield version
+
+        # Now that we've iterated over everything, determine if we've yielded
+        # any values, and if we have not and we have any prereleases stored up
+        # then we will go ahead and yield the prereleases.
+        if not yielded and found_prereleases:
+            for version in found_prereleases:
+                yield version
+
+
+class LegacySpecifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(==|!=|<=|>=|<|>))
+        \s*
+        (?P<version>
+            [^,;\s)]* # Since this is a "legacy" specifier, and the version
+                      # string can be just about anything, we match everything
+                      # except for whitespace, a semi-colon for marker support,
+                      # a closing paren since versions can be enclosed in
+                      # them, and a comma since it's a version separator.
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+    }
+
+    def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None:
+        super().__init__(spec, prereleases)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def _coerce_version(self, version: UnparsedVersion) -> LegacyVersion:
+        if not isinstance(version, LegacyVersion):
+            version = LegacyVersion(str(version))
+        return version
+
+    def _compare_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective == self._coerce_version(spec)
+
+    def _compare_not_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective != self._coerce_version(spec)
+
+    def _compare_less_than_equal(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective <= self._coerce_version(spec)
+
+    def _compare_greater_than_equal(
+        self, prospective: LegacyVersion, spec: str
+    ) -> bool:
+        return prospective >= self._coerce_version(spec)
+
+    def _compare_less_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective < self._coerce_version(spec)
+
+    def _compare_greater_than(self, prospective: LegacyVersion, spec: str) -> bool:
+        return prospective > self._coerce_version(spec)
+
+
+def _require_version_compare(
+    fn: Callable[["Specifier", ParsedVersion, str], bool]
+) -> Callable[["Specifier", ParsedVersion, str], bool]:
+    @functools.wraps(fn)
+    def wrapped(self: "Specifier", prospective: ParsedVersion, spec: str) -> bool:
+        if not isinstance(prospective, Version):
+            return False
+        return fn(self, prospective, spec)
+
+    return wrapped
+
+
+class Specifier(_IndividualSpecifier):
+
+    _regex_str = r"""
+        (?P<operator>(~=|==|!=|<=|>=|<|>|===))
+        (?P<version>
+            (?:
+                # The identity operators allow for an escape hatch that will
+                # do an exact string match of the version you wish to install.
+                # This will not be parsed by PEP 440 and we cannot determine
+                # any semantic meaning from it. This operator is discouraged
+                # but included entirely as an escape hatch.
+                (?<====)  # Only match for the identity operator
+                \s*
+                [^\s]*    # We just match everything, except for whitespace
+                          # since we are only testing for strict identity.
+            )
+            |
+            (?:
+                # The (non)equality operators allow for wild card and local
+                # versions to be specified so we have to define these two
+                # operators separately to enable that.
+                (?<===|!=)            # Only match for equals and not equals
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+
+                # You cannot use a wild card and a dev or local version
+                # together so group them with a | and make them optional.
+                (?:
+                    (?:[-_\.]?dev[-_\.]?[0-9]*)?         # dev release
+                    (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local
+                    |
+                    \.\*  # Wild card syntax of .*
+                )?
+            )
+            |
+            (?:
+                # The compatible operator requires at least two digits in the
+                # release segment.
+                (?<=~=)               # Only match for the compatible operator
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)+   # release  (We have a + instead of a *)
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+            |
+            (?:
+                # All other operators only allow a sub set of what the
+                # (non)equality operators do. Specifically they do not allow
+                # local versions to be specified nor do they allow the prefix
+                # matching wild cards.
+                (?<!==|!=|~=)         # We have special cases for these
+                                      # operators so we want to make sure they
+                                      # don't match here.
+
+                \s*
+                v?
+                (?:[0-9]+!)?          # epoch
+                [0-9]+(?:\.[0-9]+)*   # release
+                (?:                   # pre release
+                    [-_\.]?
+                    (a|b|c|rc|alpha|beta|pre|preview)
+                    [-_\.]?
+                    [0-9]*
+                )?
+                (?:                                   # post release
+                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
+                )?
+                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
+            )
+        )
+        """
+
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    _operators = {
+        "~=": "compatible",
+        "==": "equal",
+        "!=": "not_equal",
+        "<=": "less_than_equal",
+        ">=": "greater_than_equal",
+        "<": "less_than",
+        ">": "greater_than",
+        "===": "arbitrary",
+    }
+
+    @_require_version_compare
+    def _compare_compatible(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # Compatible releases have an equivalent combination of >= and ==. That
+        # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to
+        # implement this in terms of the other specifiers instead of
+        # implementing it ourselves. The only thing we need to do is construct
+        # the other specifiers.
+
+        # We want everything but the last item in the version, but we want to
+        # ignore suffix segments.
+        prefix = ".".join(
+            list(itertools.takewhile(_is_not_suffix, _version_split(spec)))[:-1]
+        )
+
+        # Add the prefix notation to the end of our string
+        prefix += ".*"
+
+        return self._get_operator(">=")(prospective, spec) and self._get_operator("==")(
+            prospective, prefix
+        )
+
+    @_require_version_compare
+    def _compare_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # We need special logic to handle prefix matching
+        if spec.endswith(".*"):
+            # In the case of prefix matching we want to ignore local segment.
+            prospective = Version(prospective.public)
+            # Split the spec out by dots, and pretend that there is an implicit
+            # dot in between a release segment and a pre-release segment.
+            split_spec = _version_split(spec[:-2])  # Remove the trailing .*
+
+            # Split the prospective version out by dots, and pretend that there
+            # is an implicit dot in between a release segment and a pre-release
+            # segment.
+            split_prospective = _version_split(str(prospective))
+
+            # Shorten the prospective version to be the same length as the spec
+            # so that we can determine if the specifier is a prefix of the
+            # prospective version or not.
+            shortened_prospective = split_prospective[: len(split_spec)]
+
+            # Pad out our two sides with zeros so that they both equal the same
+            # length.
+            padded_spec, padded_prospective = _pad_version(
+                split_spec, shortened_prospective
+            )
+
+            return padded_prospective == padded_spec
+        else:
+            # Convert our spec string into a Version
+            spec_version = Version(spec)
+
+            # If the specifier does not have a local segment, then we want to
+            # act as if the prospective version also does not have a local
+            # segment.
+            if not spec_version.local:
+                prospective = Version(prospective.public)
+
+            return prospective == spec_version
+
+    @_require_version_compare
+    def _compare_not_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+        return not self._compare_equal(prospective, spec)
+
+    @_require_version_compare
+    def _compare_less_than_equal(self, prospective: ParsedVersion, spec: str) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) <= Version(spec)
+
+    @_require_version_compare
+    def _compare_greater_than_equal(
+        self, prospective: ParsedVersion, spec: str
+    ) -> bool:
+
+        # NB: Local version identifiers are NOT permitted in the version
+        # specifier, so local version labels can be universally removed from
+        # the prospective version.
+        return Version(prospective.public) >= Version(spec)
+
+    @_require_version_compare
+    def _compare_less_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is less than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective < spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a pre-release version, that we do not accept pre-release
+        # versions for the version mentioned in the specifier (e.g. <3.1 should
+        # not match 3.1.dev0, but should match 3.0.dev0).
+        if not spec.is_prerelease and prospective.is_prerelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # less than the spec version *and* it's not a pre-release of the same
+        # version in the spec.
+        return True
+
+    @_require_version_compare
+    def _compare_greater_than(self, prospective: ParsedVersion, spec_str: str) -> bool:
+
+        # Convert our spec to a Version instance, since we'll want to work with
+        # it as a version.
+        spec = Version(spec_str)
+
+        # Check to see if the prospective version is greater than the spec
+        # version. If it's not we can short circuit and just return False now
+        # instead of doing extra unneeded work.
+        if not prospective > spec:
+            return False
+
+        # This special case is here so that, unless the specifier itself
+        # includes is a post-release version, that we do not accept
+        # post-release versions for the version mentioned in the specifier
+        # (e.g. >3.1 should not match 3.0.post0, but should match 3.2.post0).
+        if not spec.is_postrelease and prospective.is_postrelease:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # Ensure that we do not allow a local version of the version mentioned
+        # in the specifier, which is technically greater than, to match.
+        if prospective.local is not None:
+            if Version(prospective.base_version) == Version(spec.base_version):
+                return False
+
+        # If we've gotten to here, it means that prospective version is both
+        # greater than the spec version *and* it's not a pre-release of the
+        # same version in the spec.
+        return True
+
+    def _compare_arbitrary(self, prospective: Version, spec: str) -> bool:
+        return str(prospective).lower() == str(spec).lower()
+
+    @property
+    def prereleases(self) -> bool:
+
+        # If there is an explicit prereleases set for this, then we'll just
+        # blindly use that.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # Look at all of our specifiers and determine if they are inclusive
+        # operators, and if they are if they are including an explicit
+        # prerelease.
+        operator, version = self._spec
+        if operator in ["==", ">=", "<=", "~=", "==="]:
+            # The == specifier can include a trailing .*, if it does we
+            # want to remove before parsing.
+            if operator == "==" and version.endswith(".*"):
+                version = version[:-2]
+
+            # Parse the version, and if it is a pre-release than this
+            # specifier allows pre-releases.
+            if parse(version).is_prerelease:
+                return True
+
+        return False
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+
+_prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$")
+
+
+def _version_split(version: str) -> List[str]:
+    result: List[str] = []
+    for item in version.split("."):
+        match = _prefix_regex.search(item)
+        if match:
+            result.extend(match.groups())
+        else:
+            result.append(item)
+    return result
+
+
+def _is_not_suffix(segment: str) -> bool:
+    return not any(
+        segment.startswith(prefix) for prefix in ("dev", "a", "b", "rc", "post")
+    )
+
+
+def _pad_version(left: List[str], right: List[str]) -> Tuple[List[str], List[str]]:
+    left_split, right_split = [], []
+
+    # Get the release segment of our versions
+    left_split.append(list(itertools.takewhile(lambda x: x.isdigit(), left)))
+    right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right)))
+
+    # Get the rest of our versions
+    left_split.append(left[len(left_split[0]) :])
+    right_split.append(right[len(right_split[0]) :])
+
+    # Insert our padding
+    left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0])))
+    right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0])))
+
+    return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split)))
+
+
+class SpecifierSet(BaseSpecifier):
+    def __init__(
+        self, specifiers: str = "", prereleases: Optional[bool] = None
+    ) -> None:
+
+        # Split on , to break each individual specifier into it's own item, and
+        # strip each item to remove leading/trailing whitespace.
+        split_specifiers = [s.strip() for s in specifiers.split(",") if s.strip()]
+
+        # Parsed each individual specifier, attempting first to make it a
+        # Specifier and falling back to a LegacySpecifier.
+        parsed: Set[_IndividualSpecifier] = set()
+        for specifier in split_specifiers:
+            try:
+                parsed.add(Specifier(specifier))
+            except InvalidSpecifier:
+                parsed.add(LegacySpecifier(specifier))
+
+        # Turn our parsed specifiers into a frozen set and save them for later.
+        self._specs = frozenset(parsed)
+
+        # Store our prereleases value so we can use it later to determine if
+        # we accept prereleases or not.
+        self._prereleases = prereleases
+
+    def __repr__(self) -> str:
+        pre = (
+            f", prereleases={self.prereleases!r}"
+            if self._prereleases is not None
+            else ""
+        )
+
+        return f"<SpecifierSet({str(self)!r}{pre})>"
+
+    def __str__(self) -> str:
+        return ",".join(sorted(str(s) for s in self._specs))
+
+    def __hash__(self) -> int:
+        return hash(self._specs)
+
+    def __and__(self, other: Union["SpecifierSet", str]) -> "SpecifierSet":
+        if isinstance(other, str):
+            other = SpecifierSet(other)
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        specifier = SpecifierSet()
+        specifier._specs = frozenset(self._specs | other._specs)
+
+        if self._prereleases is None and other._prereleases is not None:
+            specifier._prereleases = other._prereleases
+        elif self._prereleases is not None and other._prereleases is None:
+            specifier._prereleases = self._prereleases
+        elif self._prereleases == other._prereleases:
+            specifier._prereleases = self._prereleases
+        else:
+            raise ValueError(
+                "Cannot combine SpecifierSets with True and False prerelease "
+                "overrides."
+            )
+
+        return specifier
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, (str, _IndividualSpecifier)):
+            other = SpecifierSet(str(other))
+        elif not isinstance(other, SpecifierSet):
+            return NotImplemented
+
+        return self._specs == other._specs
+
+    def __len__(self) -> int:
+        return len(self._specs)
+
+    def __iter__(self) -> Iterator[_IndividualSpecifier]:
+        return iter(self._specs)
+
+    @property
+    def prereleases(self) -> Optional[bool]:
+
+        # If we have been given an explicit prerelease modifier, then we'll
+        # pass that through here.
+        if self._prereleases is not None:
+            return self._prereleases
+
+        # If we don't have any specifiers, and we don't have a forced value,
+        # then we'll just return None since we don't know if this should have
+        # pre-releases or not.
+        if not self._specs:
+            return None
+
+        # Otherwise we'll see if any of the given specifiers accept
+        # prereleases, if any of them do we'll return True, otherwise False.
+        return any(s.prereleases for s in self._specs)
+
+    @prereleases.setter
+    def prereleases(self, value: bool) -> None:
+        self._prereleases = value
+
+    def __contains__(self, item: UnparsedVersion) -> bool:
+        return self.contains(item)
+
+    def contains(
+        self, item: UnparsedVersion, prereleases: Optional[bool] = None
+    ) -> bool:
+
+        # Ensure that our item is a Version or LegacyVersion instance.
+        if not isinstance(item, (LegacyVersion, Version)):
+            item = parse(item)
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # We can determine if we're going to allow pre-releases by looking to
+        # see if any of the underlying items supports them. If none of them do
+        # and this item is a pre-release then we do not allow it and we can
+        # short circuit that here.
+        # Note: This means that 1.0.dev1 would not be contained in something
+        #       like >=1.0.devabc however it would be in >=1.0.debabc,>0.0.dev0
+        if not prereleases and item.is_prerelease:
+            return False
+
+        # We simply dispatch to the underlying specs here to make sure that the
+        # given version is contained within all of them.
+        # Note: This use of all() here means that an empty set of specifiers
+        #       will always return True, this is an explicit design decision.
+        return all(s.contains(item, prereleases=prereleases) for s in self._specs)
+
+    def filter(
+        self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None
+    ) -> Iterable[VersionTypeVar]:
+
+        # Determine if we're forcing a prerelease or not, if we're not forcing
+        # one for this particular filter call, then we'll use whatever the
+        # SpecifierSet thinks for whether or not we should support prereleases.
+        if prereleases is None:
+            prereleases = self.prereleases
+
+        # If we have any specifiers, then we want to wrap our iterable in the
+        # filter method for each one, this will act as a logical AND amongst
+        # each specifier.
+        if self._specs:
+            for spec in self._specs:
+                iterable = spec.filter(iterable, prereleases=bool(prereleases))
+            return iterable
+        # If we do not have any specifiers, then we need to have a rough filter
+        # which will filter out any pre-releases, unless there are no final
+        # releases, and which will filter out LegacyVersion in general.
+        else:
+            filtered: List[VersionTypeVar] = []
+            found_prereleases: List[VersionTypeVar] = []
+
+            item: UnparsedVersion
+            parsed_version: Union[Version, LegacyVersion]
+
+            for item in iterable:
+                # Ensure that we some kind of Version class for this item.
+                if not isinstance(item, (LegacyVersion, Version)):
+                    parsed_version = parse(item)
+                else:
+                    parsed_version = item
+
+                # Filter out any item which is parsed as a LegacyVersion
+                if isinstance(parsed_version, LegacyVersion):
+                    continue
+
+                # Store any item which is a pre-release for later unless we've
+                # already found a final version or we are accepting prereleases
+                if parsed_version.is_prerelease and not prereleases:
+                    if not filtered:
+                        found_prereleases.append(item)
+                else:
+                    filtered.append(item)
+
+            # If we've found no items except for pre-releases, then we'll go
+            # ahead and use the pre-releases
+            if not filtered and found_prereleases and prereleases is None:
+                return found_prereleases
+
+            return filtered
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/tags.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/tags.py
new file mode 100644
index 00000000..9a3d25a7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/tags.py
@@ -0,0 +1,487 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import logging
+import platform
+import sys
+import sysconfig
+from importlib.machinery import EXTENSION_SUFFIXES
+from typing import (
+    Dict,
+    FrozenSet,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Sequence,
+    Tuple,
+    Union,
+    cast,
+)
+
+from . import _manylinux, _musllinux
+
+logger = logging.getLogger(__name__)
+
+PythonVersion = Sequence[int]
+MacVersion = Tuple[int, int]
+
+INTERPRETER_SHORT_NAMES: Dict[str, str] = {
+    "python": "py",  # Generic.
+    "cpython": "cp",
+    "pypy": "pp",
+    "ironpython": "ip",
+    "jython": "jy",
+}
+
+
+_32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32
+
+
+class Tag:
+    """
+    A representation of the tag triple for a wheel.
+
+    Instances are considered immutable and thus are hashable. Equality checking
+    is also supported.
+    """
+
+    __slots__ = ["_interpreter", "_abi", "_platform", "_hash"]
+
+    def __init__(self, interpreter: str, abi: str, platform: str) -> None:
+        self._interpreter = interpreter.lower()
+        self._abi = abi.lower()
+        self._platform = platform.lower()
+        # The __hash__ of every single element in a Set[Tag] will be evaluated each time
+        # that a set calls its `.disjoint()` method, which may be called hundreds of
+        # times when scanning a page of links for packages with tags matching that
+        # Set[Tag]. Pre-computing the value here produces significant speedups for
+        # downstream consumers.
+        self._hash = hash((self._interpreter, self._abi, self._platform))
+
+    @property
+    def interpreter(self) -> str:
+        return self._interpreter
+
+    @property
+    def abi(self) -> str:
+        return self._abi
+
+    @property
+    def platform(self) -> str:
+        return self._platform
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, Tag):
+            return NotImplemented
+
+        return (
+            (self._hash == other._hash)  # Short-circuit ASAP for perf reasons.
+            and (self._platform == other._platform)
+            and (self._abi == other._abi)
+            and (self._interpreter == other._interpreter)
+        )
+
+    def __hash__(self) -> int:
+        return self._hash
+
+    def __str__(self) -> str:
+        return f"{self._interpreter}-{self._abi}-{self._platform}"
+
+    def __repr__(self) -> str:
+        return f"<{self} @ {id(self)}>"
+
+
+def parse_tag(tag: str) -> FrozenSet[Tag]:
+    """
+    Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances.
+
+    Returning a set is required due to the possibility that the tag is a
+    compressed tag set.
+    """
+    tags = set()
+    interpreters, abis, platforms = tag.split("-")
+    for interpreter in interpreters.split("."):
+        for abi in abis.split("."):
+            for platform_ in platforms.split("."):
+                tags.add(Tag(interpreter, abi, platform_))
+    return frozenset(tags)
+
+
+def _get_config_var(name: str, warn: bool = False) -> Union[int, str, None]:
+    value = sysconfig.get_config_var(name)
+    if value is None and warn:
+        logger.debug(
+            "Config variable '%s' is unset, Python ABI tag may be incorrect", name
+        )
+    return value
+
+
+def _normalize_string(string: str) -> str:
+    return string.replace(".", "_").replace("-", "_")
+
+
+def _abi3_applies(python_version: PythonVersion) -> bool:
+    """
+    Determine if the Python version supports abi3.
+
+    PEP 384 was first implemented in Python 3.2.
+    """
+    return len(python_version) > 1 and tuple(python_version) >= (3, 2)
+
+
+def _cpython_abis(py_version: PythonVersion, warn: bool = False) -> List[str]:
+    py_version = tuple(py_version)  # To allow for version comparison.
+    abis = []
+    version = _version_nodot(py_version[:2])
+    debug = pymalloc = ucs4 = ""
+    with_debug = _get_config_var("Py_DEBUG", warn)
+    has_refcount = hasattr(sys, "gettotalrefcount")
+    # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled
+    # extension modules is the best option.
+    # https://github.com/pypa/pip/issues/3383#issuecomment-173267692
+    has_ext = "_d.pyd" in EXTENSION_SUFFIXES
+    if with_debug or (with_debug is None and (has_refcount or has_ext)):
+        debug = "d"
+    if py_version < (3, 8):
+        with_pymalloc = _get_config_var("WITH_PYMALLOC", warn)
+        if with_pymalloc or with_pymalloc is None:
+            pymalloc = "m"
+        if py_version < (3, 3):
+            unicode_size = _get_config_var("Py_UNICODE_SIZE", warn)
+            if unicode_size == 4 or (
+                unicode_size is None and sys.maxunicode == 0x10FFFF
+            ):
+                ucs4 = "u"
+    elif debug:
+        # Debug builds can also load "normal" extension modules.
+        # We can also assume no UCS-4 or pymalloc requirement.
+        abis.append(f"cp{version}")
+    abis.insert(
+        0,
+        "cp{version}{debug}{pymalloc}{ucs4}".format(
+            version=version, debug=debug, pymalloc=pymalloc, ucs4=ucs4
+        ),
+    )
+    return abis
+
+
+def cpython_tags(
+    python_version: Optional[PythonVersion] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a CPython interpreter.
+
+    The tags consist of:
+    - cp<python_version>-<abi>-<platform>
+    - cp<python_version>-abi3-<platform>
+    - cp<python_version>-none-<platform>
+    - cp<less than python_version>-abi3-<platform>  # Older Python versions down to 3.2.
+
+    If python_version only specifies a major version then user-provided ABIs and
+    the 'none' ABItag will be used.
+
+    If 'abi3' or 'none' are specified in 'abis' then they will be yielded at
+    their normal position and not at the beginning.
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+
+    interpreter = f"cp{_version_nodot(python_version[:2])}"
+
+    if abis is None:
+        if len(python_version) > 1:
+            abis = _cpython_abis(python_version, warn)
+        else:
+            abis = []
+    abis = list(abis)
+    # 'abi3' and 'none' are explicitly handled later.
+    for explicit_abi in ("abi3", "none"):
+        try:
+            abis.remove(explicit_abi)
+        except ValueError:
+            pass
+
+    platforms = list(platforms or platform_tags())
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+    if _abi3_applies(python_version):
+        yield from (Tag(interpreter, "abi3", platform_) for platform_ in platforms)
+    yield from (Tag(interpreter, "none", platform_) for platform_ in platforms)
+
+    if _abi3_applies(python_version):
+        for minor_version in range(python_version[1] - 1, 1, -1):
+            for platform_ in platforms:
+                interpreter = "cp{version}".format(
+                    version=_version_nodot((python_version[0], minor_version))
+                )
+                yield Tag(interpreter, "abi3", platform_)
+
+
+def _generic_abi() -> Iterator[str]:
+    abi = sysconfig.get_config_var("SOABI")
+    if abi:
+        yield _normalize_string(abi)
+
+
+def generic_tags(
+    interpreter: Optional[str] = None,
+    abis: Optional[Iterable[str]] = None,
+    platforms: Optional[Iterable[str]] = None,
+    *,
+    warn: bool = False,
+) -> Iterator[Tag]:
+    """
+    Yields the tags for a generic interpreter.
+
+    The tags consist of:
+    - <interpreter>-<abi>-<platform>
+
+    The "none" ABI will be added if it was not explicitly provided.
+    """
+    if not interpreter:
+        interp_name = interpreter_name()
+        interp_version = interpreter_version(warn=warn)
+        interpreter = "".join([interp_name, interp_version])
+    if abis is None:
+        abis = _generic_abi()
+    platforms = list(platforms or platform_tags())
+    abis = list(abis)
+    if "none" not in abis:
+        abis.append("none")
+    for abi in abis:
+        for platform_ in platforms:
+            yield Tag(interpreter, abi, platform_)
+
+
+def _py_interpreter_range(py_version: PythonVersion) -> Iterator[str]:
+    """
+    Yields Python versions in descending order.
+
+    After the latest version, the major-only version will be yielded, and then
+    all previous versions of that major version.
+    """
+    if len(py_version) > 1:
+        yield f"py{_version_nodot(py_version[:2])}"
+    yield f"py{py_version[0]}"
+    if len(py_version) > 1:
+        for minor in range(py_version[1] - 1, -1, -1):
+            yield f"py{_version_nodot((py_version[0], minor))}"
+
+
+def compatible_tags(
+    python_version: Optional[PythonVersion] = None,
+    interpreter: Optional[str] = None,
+    platforms: Optional[Iterable[str]] = None,
+) -> Iterator[Tag]:
+    """
+    Yields the sequence of tags that are compatible with a specific version of Python.
+
+    The tags consist of:
+    - py*-none-<platform>
+    - <interpreter>-none-any  # ... if `interpreter` is provided.
+    - py*-none-any
+    """
+    if not python_version:
+        python_version = sys.version_info[:2]
+    platforms = list(platforms or platform_tags())
+    for version in _py_interpreter_range(python_version):
+        for platform_ in platforms:
+            yield Tag(version, "none", platform_)
+    if interpreter:
+        yield Tag(interpreter, "none", "any")
+    for version in _py_interpreter_range(python_version):
+        yield Tag(version, "none", "any")
+
+
+def _mac_arch(arch: str, is_32bit: bool = _32_BIT_INTERPRETER) -> str:
+    if not is_32bit:
+        return arch
+
+    if arch.startswith("ppc"):
+        return "ppc"
+
+    return "i386"
+
+
+def _mac_binary_formats(version: MacVersion, cpu_arch: str) -> List[str]:
+    formats = [cpu_arch]
+    if cpu_arch == "x86_64":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat64", "fat32"])
+
+    elif cpu_arch == "i386":
+        if version < (10, 4):
+            return []
+        formats.extend(["intel", "fat32", "fat"])
+
+    elif cpu_arch == "ppc64":
+        # TODO: Need to care about 32-bit PPC for ppc64 through 10.2?
+        if version > (10, 5) or version < (10, 4):
+            return []
+        formats.append("fat64")
+
+    elif cpu_arch == "ppc":
+        if version > (10, 6):
+            return []
+        formats.extend(["fat32", "fat"])
+
+    if cpu_arch in {"arm64", "x86_64"}:
+        formats.append("universal2")
+
+    if cpu_arch in {"x86_64", "i386", "ppc64", "ppc", "intel"}:
+        formats.append("universal")
+
+    return formats
+
+
+def mac_platforms(
+    version: Optional[MacVersion] = None, arch: Optional[str] = None
+) -> Iterator[str]:
+    """
+    Yields the platform tags for a macOS system.
+
+    The `version` parameter is a two-item tuple specifying the macOS version to
+    generate platform tags for. The `arch` parameter is the CPU architecture to
+    generate platform tags for. Both parameters default to the appropriate value
+    for the current system.
+    """
+    version_str, _, cpu_arch = platform.mac_ver()
+    if version is None:
+        version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2])))
+    else:
+        version = version
+    if arch is None:
+        arch = _mac_arch(cpu_arch)
+    else:
+        arch = arch
+
+    if (10, 0) <= version and version < (11, 0):
+        # Prior to Mac OS 11, each yearly release of Mac OS bumped the
+        # "minor" version number.  The major version was always 10.
+        for minor_version in range(version[1], -1, -1):
+            compat_version = 10, minor_version
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=10, minor=minor_version, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Starting with Mac OS 11, each yearly release bumps the major version
+        # number.   The minor versions are now the midyear updates.
+        for major_version in range(version[0], 10, -1):
+            compat_version = major_version, 0
+            binary_formats = _mac_binary_formats(compat_version, arch)
+            for binary_format in binary_formats:
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=major_version, minor=0, binary_format=binary_format
+                )
+
+    if version >= (11, 0):
+        # Mac OS 11 on x86_64 is compatible with binaries from previous releases.
+        # Arm64 support was introduced in 11.0, so no Arm binaries from previous
+        # releases exist.
+        #
+        # However, the "universal2" binary format can have a
+        # macOS version earlier than 11.0 when the x86_64 part of the binary supports
+        # that version of macOS.
+        if arch == "x86_64":
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_formats = _mac_binary_formats(compat_version, arch)
+                for binary_format in binary_formats:
+                    yield "macosx_{major}_{minor}_{binary_format}".format(
+                        major=compat_version[0],
+                        minor=compat_version[1],
+                        binary_format=binary_format,
+                    )
+        else:
+            for minor_version in range(16, 3, -1):
+                compat_version = 10, minor_version
+                binary_format = "universal2"
+                yield "macosx_{major}_{minor}_{binary_format}".format(
+                    major=compat_version[0],
+                    minor=compat_version[1],
+                    binary_format=binary_format,
+                )
+
+
+def _linux_platforms(is_32bit: bool = _32_BIT_INTERPRETER) -> Iterator[str]:
+    linux = _normalize_string(sysconfig.get_platform())
+    if is_32bit:
+        if linux == "linux_x86_64":
+            linux = "linux_i686"
+        elif linux == "linux_aarch64":
+            linux = "linux_armv7l"
+    _, arch = linux.split("_", 1)
+    yield from _manylinux.platform_tags(linux, arch)
+    yield from _musllinux.platform_tags(arch)
+    yield linux
+
+
+def _generic_platforms() -> Iterator[str]:
+    yield _normalize_string(sysconfig.get_platform())
+
+
+def platform_tags() -> Iterator[str]:
+    """
+    Provides the platform tags for this installation.
+    """
+    if platform.system() == "Darwin":
+        return mac_platforms()
+    elif platform.system() == "Linux":
+        return _linux_platforms()
+    else:
+        return _generic_platforms()
+
+
+def interpreter_name() -> str:
+    """
+    Returns the name of the running interpreter.
+    """
+    name = sys.implementation.name
+    return INTERPRETER_SHORT_NAMES.get(name) or name
+
+
+def interpreter_version(*, warn: bool = False) -> str:
+    """
+    Returns the version of the running interpreter.
+    """
+    version = _get_config_var("py_version_nodot", warn=warn)
+    if version:
+        version = str(version)
+    else:
+        version = _version_nodot(sys.version_info[:2])
+    return version
+
+
+def _version_nodot(version: PythonVersion) -> str:
+    return "".join(map(str, version))
+
+
+def sys_tags(*, warn: bool = False) -> Iterator[Tag]:
+    """
+    Returns the sequence of tag triples for the running interpreter.
+
+    The order of the sequence corresponds to priority order for the
+    interpreter, from most to least important.
+    """
+
+    interp_name = interpreter_name()
+    if interp_name == "cp":
+        yield from cpython_tags(warn=warn)
+    else:
+        yield from generic_tags()
+
+    if interp_name == "pp":
+        yield from compatible_tags(interpreter="pp3")
+    else:
+        yield from compatible_tags()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/utils.py
new file mode 100644
index 00000000..bab11b80
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/utils.py
@@ -0,0 +1,136 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import re
+from typing import FrozenSet, NewType, Tuple, Union, cast
+
+from .tags import Tag, parse_tag
+from .version import InvalidVersion, Version
+
+BuildTag = Union[Tuple[()], Tuple[int, str]]
+NormalizedName = NewType("NormalizedName", str)
+
+
+class InvalidWheelFilename(ValueError):
+    """
+    An invalid wheel filename was found, users should refer to PEP 427.
+    """
+
+
+class InvalidSdistFilename(ValueError):
+    """
+    An invalid sdist filename was found, users should refer to the packaging user guide.
+    """
+
+
+_canonicalize_regex = re.compile(r"[-_.]+")
+# PEP 427: The build number must start with a digit.
+_build_tag_regex = re.compile(r"(\d+)(.*)")
+
+
+def canonicalize_name(name: str) -> NormalizedName:
+    # This is taken from PEP 503.
+    value = _canonicalize_regex.sub("-", name).lower()
+    return cast(NormalizedName, value)
+
+
+def canonicalize_version(version: Union[Version, str]) -> str:
+    """
+    This is very similar to Version.__str__, but has one subtle difference
+    with the way it handles the release segment.
+    """
+    if isinstance(version, str):
+        try:
+            parsed = Version(version)
+        except InvalidVersion:
+            # Legacy versions cannot be normalized
+            return version
+    else:
+        parsed = version
+
+    parts = []
+
+    # Epoch
+    if parsed.epoch != 0:
+        parts.append(f"{parsed.epoch}!")
+
+    # Release segment
+    # NB: This strips trailing '.0's to normalize
+    parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in parsed.release)))
+
+    # Pre-release
+    if parsed.pre is not None:
+        parts.append("".join(str(x) for x in parsed.pre))
+
+    # Post-release
+    if parsed.post is not None:
+        parts.append(f".post{parsed.post}")
+
+    # Development release
+    if parsed.dev is not None:
+        parts.append(f".dev{parsed.dev}")
+
+    # Local version segment
+    if parsed.local is not None:
+        parts.append(f"+{parsed.local}")
+
+    return "".join(parts)
+
+
+def parse_wheel_filename(
+    filename: str,
+) -> Tuple[NormalizedName, Version, BuildTag, FrozenSet[Tag]]:
+    if not filename.endswith(".whl"):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (extension must be '.whl'): {filename}"
+        )
+
+    filename = filename[:-4]
+    dashes = filename.count("-")
+    if dashes not in (4, 5):
+        raise InvalidWheelFilename(
+            f"Invalid wheel filename (wrong number of parts): {filename}"
+        )
+
+    parts = filename.split("-", dashes - 2)
+    name_part = parts[0]
+    # See PEP 427 for the rules on escaping the project name
+    if "__" in name_part or re.match(r"^[\w\d._]*$", name_part, re.UNICODE) is None:
+        raise InvalidWheelFilename(f"Invalid project name: {filename}")
+    name = canonicalize_name(name_part)
+    version = Version(parts[1])
+    if dashes == 5:
+        build_part = parts[2]
+        build_match = _build_tag_regex.match(build_part)
+        if build_match is None:
+            raise InvalidWheelFilename(
+                f"Invalid build number: {build_part} in '{filename}'"
+            )
+        build = cast(BuildTag, (int(build_match.group(1)), build_match.group(2)))
+    else:
+        build = ()
+    tags = parse_tag(parts[-1])
+    return (name, version, build, tags)
+
+
+def parse_sdist_filename(filename: str) -> Tuple[NormalizedName, Version]:
+    if filename.endswith(".tar.gz"):
+        file_stem = filename[: -len(".tar.gz")]
+    elif filename.endswith(".zip"):
+        file_stem = filename[: -len(".zip")]
+    else:
+        raise InvalidSdistFilename(
+            f"Invalid sdist filename (extension must be '.tar.gz' or '.zip'):"
+            f" {filename}"
+        )
+
+    # We are requiring a PEP 440 version, which cannot contain dashes,
+    # so we split on the last dash.
+    name_part, sep, version_part = file_stem.rpartition("-")
+    if not sep:
+        raise InvalidSdistFilename(f"Invalid sdist filename: {filename}")
+
+    name = canonicalize_name(name_part)
+    version = Version(version_part)
+    return (name, version)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/version.py
new file mode 100644
index 00000000..de9a09a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/packaging/version.py
@@ -0,0 +1,504 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+import collections
+import itertools
+import re
+import warnings
+from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union
+
+from ._structures import Infinity, InfinityType, NegativeInfinity, NegativeInfinityType
+
+__all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"]
+
+InfiniteTypes = Union[InfinityType, NegativeInfinityType]
+PrePostDevType = Union[InfiniteTypes, Tuple[str, int]]
+SubLocalType = Union[InfiniteTypes, int, str]
+LocalType = Union[
+    NegativeInfinityType,
+    Tuple[
+        Union[
+            SubLocalType,
+            Tuple[SubLocalType, str],
+            Tuple[NegativeInfinityType, SubLocalType],
+        ],
+        ...,
+    ],
+]
+CmpKey = Tuple[
+    int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType
+]
+LegacyCmpKey = Tuple[int, Tuple[str, ...]]
+VersionComparisonMethod = Callable[
+    [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool
+]
+
+_Version = collections.namedtuple(
+    "_Version", ["epoch", "release", "dev", "pre", "post", "local"]
+)
+
+
+def parse(version: str) -> Union["LegacyVersion", "Version"]:
+    """
+    Parse the given version string and return either a :class:`Version` object
+    or a :class:`LegacyVersion` object depending on if the given version is
+    a valid PEP 440 version or a legacy version.
+    """
+    try:
+        return Version(version)
+    except InvalidVersion:
+        return LegacyVersion(version)
+
+
+class InvalidVersion(ValueError):
+    """
+    An invalid version was found, users should refer to PEP 440.
+    """
+
+
+class _BaseVersion:
+    _key: Union[CmpKey, LegacyCmpKey]
+
+    def __hash__(self) -> int:
+        return hash(self._key)
+
+    # Please keep the duplicated `isinstance` check
+    # in the six comparisons hereunder
+    # unless you find a way to avoid adding overhead function calls.
+    def __lt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key < other._key
+
+    def __le__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key <= other._key
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key == other._key
+
+    def __ge__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key >= other._key
+
+    def __gt__(self, other: "_BaseVersion") -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key > other._key
+
+    def __ne__(self, other: object) -> bool:
+        if not isinstance(other, _BaseVersion):
+            return NotImplemented
+
+        return self._key != other._key
+
+
+class LegacyVersion(_BaseVersion):
+    def __init__(self, version: str) -> None:
+        self._version = str(version)
+        self._key = _legacy_cmpkey(self._version)
+
+        warnings.warn(
+            "Creating a LegacyVersion has been deprecated and will be "
+            "removed in the next major release",
+            DeprecationWarning,
+        )
+
+    def __str__(self) -> str:
+        return self._version
+
+    def __repr__(self) -> str:
+        return f"<LegacyVersion('{self}')>"
+
+    @property
+    def public(self) -> str:
+        return self._version
+
+    @property
+    def base_version(self) -> str:
+        return self._version
+
+    @property
+    def epoch(self) -> int:
+        return -1
+
+    @property
+    def release(self) -> None:
+        return None
+
+    @property
+    def pre(self) -> None:
+        return None
+
+    @property
+    def post(self) -> None:
+        return None
+
+    @property
+    def dev(self) -> None:
+        return None
+
+    @property
+    def local(self) -> None:
+        return None
+
+    @property
+    def is_prerelease(self) -> bool:
+        return False
+
+    @property
+    def is_postrelease(self) -> bool:
+        return False
+
+    @property
+    def is_devrelease(self) -> bool:
+        return False
+
+
+_legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE)
+
+_legacy_version_replacement_map = {
+    "pre": "c",
+    "preview": "c",
+    "-": "final-",
+    "rc": "c",
+    "dev": "@",
+}
+
+
+def _parse_version_parts(s: str) -> Iterator[str]:
+    for part in _legacy_version_component_re.split(s):
+        part = _legacy_version_replacement_map.get(part, part)
+
+        if not part or part == ".":
+            continue
+
+        if part[:1] in "0123456789":
+            # pad for numeric comparison
+            yield part.zfill(8)
+        else:
+            yield "*" + part
+
+    # ensure that alpha/beta/candidate are before final
+    yield "*final"
+
+
+def _legacy_cmpkey(version: str) -> LegacyCmpKey:
+
+    # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch
+    # greater than or equal to 0. This will effectively put the LegacyVersion,
+    # which uses the defacto standard originally implemented by setuptools,
+    # as before all PEP 440 versions.
+    epoch = -1
+
+    # This scheme is taken from pkg_resources.parse_version setuptools prior to
+    # it's adoption of the packaging library.
+    parts: List[str] = []
+    for part in _parse_version_parts(version.lower()):
+        if part.startswith("*"):
+            # remove "-" before a prerelease tag
+            if part < "*final":
+                while parts and parts[-1] == "*final-":
+                    parts.pop()
+
+            # remove trailing zeros from each series of numeric parts
+            while parts and parts[-1] == "00000000":
+                parts.pop()
+
+        parts.append(part)
+
+    return epoch, tuple(parts)
+
+
+# Deliberately not anchored to the start and end of the string, to make it
+# easier for 3rd party code to reuse
+VERSION_PATTERN = r"""
+    v?
+    (?:
+        (?:(?P<epoch>[0-9]+)!)?                           # epoch
+        (?P<release>[0-9]+(?:\.[0-9]+)*)                  # release segment
+        (?P<pre>                                          # pre-release
+            [-_\.]?
+            (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview))
+            [-_\.]?
+            (?P<pre_n>[0-9]+)?
+        )?
+        (?P<post>                                         # post release
+            (?:-(?P<post_n1>[0-9]+))
+            |
+            (?:
+                [-_\.]?
+                (?P<post_l>post|rev|r)
+                [-_\.]?
+                (?P<post_n2>[0-9]+)?
+            )
+        )?
+        (?P<dev>                                          # dev release
+            [-_\.]?
+            (?P<dev_l>dev)
+            [-_\.]?
+            (?P<dev_n>[0-9]+)?
+        )?
+    )
+    (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))?       # local version
+"""
+
+
+class Version(_BaseVersion):
+
+    _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE)
+
+    def __init__(self, version: str) -> None:
+
+        # Validate the version and parse it into pieces
+        match = self._regex.search(version)
+        if not match:
+            raise InvalidVersion(f"Invalid version: '{version}'")
+
+        # Store the parsed out pieces of the version
+        self._version = _Version(
+            epoch=int(match.group("epoch")) if match.group("epoch") else 0,
+            release=tuple(int(i) for i in match.group("release").split(".")),
+            pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")),
+            post=_parse_letter_version(
+                match.group("post_l"), match.group("post_n1") or match.group("post_n2")
+            ),
+            dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")),
+            local=_parse_local_version(match.group("local")),
+        )
+
+        # Generate a key which will be used for sorting
+        self._key = _cmpkey(
+            self._version.epoch,
+            self._version.release,
+            self._version.pre,
+            self._version.post,
+            self._version.dev,
+            self._version.local,
+        )
+
+    def __repr__(self) -> str:
+        return f"<Version('{self}')>"
+
+    def __str__(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        # Pre-release
+        if self.pre is not None:
+            parts.append("".join(str(x) for x in self.pre))
+
+        # Post-release
+        if self.post is not None:
+            parts.append(f".post{self.post}")
+
+        # Development release
+        if self.dev is not None:
+            parts.append(f".dev{self.dev}")
+
+        # Local version segment
+        if self.local is not None:
+            parts.append(f"+{self.local}")
+
+        return "".join(parts)
+
+    @property
+    def epoch(self) -> int:
+        _epoch: int = self._version.epoch
+        return _epoch
+
+    @property
+    def release(self) -> Tuple[int, ...]:
+        _release: Tuple[int, ...] = self._version.release
+        return _release
+
+    @property
+    def pre(self) -> Optional[Tuple[str, int]]:
+        _pre: Optional[Tuple[str, int]] = self._version.pre
+        return _pre
+
+    @property
+    def post(self) -> Optional[int]:
+        return self._version.post[1] if self._version.post else None
+
+    @property
+    def dev(self) -> Optional[int]:
+        return self._version.dev[1] if self._version.dev else None
+
+    @property
+    def local(self) -> Optional[str]:
+        if self._version.local:
+            return ".".join(str(x) for x in self._version.local)
+        else:
+            return None
+
+    @property
+    def public(self) -> str:
+        return str(self).split("+", 1)[0]
+
+    @property
+    def base_version(self) -> str:
+        parts = []
+
+        # Epoch
+        if self.epoch != 0:
+            parts.append(f"{self.epoch}!")
+
+        # Release segment
+        parts.append(".".join(str(x) for x in self.release))
+
+        return "".join(parts)
+
+    @property
+    def is_prerelease(self) -> bool:
+        return self.dev is not None or self.pre is not None
+
+    @property
+    def is_postrelease(self) -> bool:
+        return self.post is not None
+
+    @property
+    def is_devrelease(self) -> bool:
+        return self.dev is not None
+
+    @property
+    def major(self) -> int:
+        return self.release[0] if len(self.release) >= 1 else 0
+
+    @property
+    def minor(self) -> int:
+        return self.release[1] if len(self.release) >= 2 else 0
+
+    @property
+    def micro(self) -> int:
+        return self.release[2] if len(self.release) >= 3 else 0
+
+
+def _parse_letter_version(
+    letter: str, number: Union[str, bytes, SupportsInt]
+) -> Optional[Tuple[str, int]]:
+
+    if letter:
+        # We consider there to be an implicit 0 in a pre-release if there is
+        # not a numeral associated with it.
+        if number is None:
+            number = 0
+
+        # We normalize any letters to their lower case form
+        letter = letter.lower()
+
+        # We consider some words to be alternate spellings of other words and
+        # in those cases we want to normalize the spellings to our preferred
+        # spelling.
+        if letter == "alpha":
+            letter = "a"
+        elif letter == "beta":
+            letter = "b"
+        elif letter in ["c", "pre", "preview"]:
+            letter = "rc"
+        elif letter in ["rev", "r"]:
+            letter = "post"
+
+        return letter, int(number)
+    if not letter and number:
+        # We assume if we are given a number, but we are not given a letter
+        # then this is using the implicit post release syntax (e.g. 1.0-1)
+        letter = "post"
+
+        return letter, int(number)
+
+    return None
+
+
+_local_version_separators = re.compile(r"[\._-]")
+
+
+def _parse_local_version(local: str) -> Optional[LocalType]:
+    """
+    Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
+    """
+    if local is not None:
+        return tuple(
+            part.lower() if not part.isdigit() else int(part)
+            for part in _local_version_separators.split(local)
+        )
+    return None
+
+
+def _cmpkey(
+    epoch: int,
+    release: Tuple[int, ...],
+    pre: Optional[Tuple[str, int]],
+    post: Optional[Tuple[str, int]],
+    dev: Optional[Tuple[str, int]],
+    local: Optional[Tuple[SubLocalType]],
+) -> CmpKey:
+
+    # When we compare a release version, we want to compare it with all of the
+    # trailing zeros removed. So we'll use a reverse the list, drop all the now
+    # leading zeros until we come to something non zero, then take the rest
+    # re-reverse it back into the correct order and make it a tuple and use
+    # that for our sorting key.
+    _release = tuple(
+        reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
+    )
+
+    # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0.
+    # We'll do this by abusing the pre segment, but we _only_ want to do this
+    # if there is not a pre or a post segment. If we have one of those then
+    # the normal sorting rules will handle this case correctly.
+    if pre is None and post is None and dev is not None:
+        _pre: PrePostDevType = NegativeInfinity
+    # Versions without a pre-release (except as noted above) should sort after
+    # those with one.
+    elif pre is None:
+        _pre = Infinity
+    else:
+        _pre = pre
+
+    # Versions without a post segment should sort before those with one.
+    if post is None:
+        _post: PrePostDevType = NegativeInfinity
+
+    else:
+        _post = post
+
+    # Versions without a development segment should sort after those with one.
+    if dev is None:
+        _dev: PrePostDevType = Infinity
+
+    else:
+        _dev = dev
+
+    if local is None:
+        # Versions without a local segment should sort before those with one.
+        _local: LocalType = NegativeInfinity
+    else:
+        # Versions with a local segment need that segment parsed to implement
+        # the sorting rules in PEP440.
+        # - Alpha numeric segments sort before numeric segments
+        # - Alpha numeric segments sort lexicographically
+        # - Numeric segments sort numerically
+        # - Shorter versions sort before longer versions when the prefixes
+        #   match exactly
+        _local = tuple(
+            (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local
+        )
+
+    return epoch, _release, _pre, _post, _dev, _local
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/__init__.py
new file mode 100644
index 00000000..7802ff15
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/__init__.py
@@ -0,0 +1,331 @@
+# module pyparsing.py
+#
+# Copyright (c) 2003-2022  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__doc__ = """
+pyparsing module - Classes and methods to define and execute parsing grammars
+=============================================================================
+
+The pyparsing module is an alternative approach to creating and
+executing simple grammars, vs. the traditional lex/yacc approach, or the
+use of regular expressions.  With pyparsing, you don't need to learn
+a new syntax for defining grammars or matching expressions - the parsing
+module provides a library of classes that you use to construct the
+grammar directly in Python.
+
+Here is a program to parse "Hello, World!" (or any greeting of the form
+``"<salutation>, <addressee>!"``), built up using :class:`Word`,
+:class:`Literal`, and :class:`And` elements
+(the :meth:`'+'<ParserElement.__add__>` operators create :class:`And` expressions,
+and the strings are auto-converted to :class:`Literal` expressions)::
+
+    from pyparsing import Word, alphas
+
+    # define grammar of a greeting
+    greet = Word(alphas) + "," + Word(alphas) + "!"
+
+    hello = "Hello, World!"
+    print(hello, "->", greet.parse_string(hello))
+
+The program outputs the following::
+
+    Hello, World! -> ['Hello', ',', 'World', '!']
+
+The Python representation of the grammar is quite readable, owing to the
+self-explanatory class names, and the use of :class:`'+'<And>`,
+:class:`'|'<MatchFirst>`, :class:`'^'<Or>` and :class:`'&'<Each>` operators.
+
+The :class:`ParseResults` object returned from
+:class:`ParserElement.parseString` can be
+accessed as a nested list, a dictionary, or an object with named
+attributes.
+
+The pyparsing module handles some of the problems that are typically
+vexing when writing text parsers:
+
+  - extra or missing whitespace (the above program will also handle
+    "Hello,World!", "Hello  ,  World  !", etc.)
+  - quoted strings
+  - embedded comments
+
+
+Getting Started -
+-----------------
+Visit the classes :class:`ParserElement` and :class:`ParseResults` to
+see the base classes that most other pyparsing
+classes inherit from. Use the docstrings for examples of how to:
+
+ - construct literal match expressions from :class:`Literal` and
+   :class:`CaselessLiteral` classes
+ - construct character word-group expressions using the :class:`Word`
+   class
+ - see how to create repetitive expressions using :class:`ZeroOrMore`
+   and :class:`OneOrMore` classes
+ - use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`,
+   and :class:`'&'<Each>` operators to combine simple expressions into
+   more complex ones
+ - associate names with your parsed results using
+   :class:`ParserElement.setResultsName`
+ - access the parsed data, which is returned as a :class:`ParseResults`
+   object
+ - find some helpful expression short-cuts like :class:`delimitedList`
+   and :class:`oneOf`
+ - find more useful common expressions in the :class:`pyparsing_common`
+   namespace class
+"""
+from typing import NamedTuple
+
+
+class version_info(NamedTuple):
+    major: int
+    minor: int
+    micro: int
+    releaselevel: str
+    serial: int
+
+    @property
+    def __version__(self):
+        return (
+            "{}.{}.{}".format(self.major, self.minor, self.micro)
+            + (
+                "{}{}{}".format(
+                    "r" if self.releaselevel[0] == "c" else "",
+                    self.releaselevel[0],
+                    self.serial,
+                ),
+                "",
+            )[self.releaselevel == "final"]
+        )
+
+    def __str__(self):
+        return "{} {} / {}".format(__name__, self.__version__, __version_time__)
+
+    def __repr__(self):
+        return "{}.{}({})".format(
+            __name__,
+            type(self).__name__,
+            ", ".join("{}={!r}".format(*nv) for nv in zip(self._fields, self)),
+        )
+
+
+__version_info__ = version_info(3, 0, 9, "final", 0)
+__version_time__ = "05 May 2022 07:02 UTC"
+__version__ = __version_info__.__version__
+__versionTime__ = __version_time__
+__author__ = "Paul McGuire <ptmcg.gm+pyparsing@gmail.com>"
+
+from .util import *
+from .exceptions import *
+from .actions import *
+from .core import __diag__, __compat__
+from .results import *
+from .core import *
+from .core import _builtin_exprs as core_builtin_exprs
+from .helpers import *
+from .helpers import _builtin_exprs as helper_builtin_exprs
+
+from .unicode import unicode_set, UnicodeRangeList, pyparsing_unicode as unicode
+from .testing import pyparsing_test as testing
+from .common import (
+    pyparsing_common as common,
+    _builtin_exprs as common_builtin_exprs,
+)
+
+# define backward compat synonyms
+if "pyparsing_unicode" not in globals():
+    pyparsing_unicode = unicode
+if "pyparsing_common" not in globals():
+    pyparsing_common = common
+if "pyparsing_test" not in globals():
+    pyparsing_test = testing
+
+core_builtin_exprs += common_builtin_exprs + helper_builtin_exprs
+
+
+__all__ = [
+    "__version__",
+    "__version_time__",
+    "__author__",
+    "__compat__",
+    "__diag__",
+    "And",
+    "AtLineStart",
+    "AtStringStart",
+    "CaselessKeyword",
+    "CaselessLiteral",
+    "CharsNotIn",
+    "Combine",
+    "Dict",
+    "Each",
+    "Empty",
+    "FollowedBy",
+    "Forward",
+    "GoToColumn",
+    "Group",
+    "IndentedBlock",
+    "Keyword",
+    "LineEnd",
+    "LineStart",
+    "Literal",
+    "Located",
+    "PrecededBy",
+    "MatchFirst",
+    "NoMatch",
+    "NotAny",
+    "OneOrMore",
+    "OnlyOnce",
+    "OpAssoc",
+    "Opt",
+    "Optional",
+    "Or",
+    "ParseBaseException",
+    "ParseElementEnhance",
+    "ParseException",
+    "ParseExpression",
+    "ParseFatalException",
+    "ParseResults",
+    "ParseSyntaxException",
+    "ParserElement",
+    "PositionToken",
+    "QuotedString",
+    "RecursiveGrammarException",
+    "Regex",
+    "SkipTo",
+    "StringEnd",
+    "StringStart",
+    "Suppress",
+    "Token",
+    "TokenConverter",
+    "White",
+    "Word",
+    "WordEnd",
+    "WordStart",
+    "ZeroOrMore",
+    "Char",
+    "alphanums",
+    "alphas",
+    "alphas8bit",
+    "any_close_tag",
+    "any_open_tag",
+    "c_style_comment",
+    "col",
+    "common_html_entity",
+    "counted_array",
+    "cpp_style_comment",
+    "dbl_quoted_string",
+    "dbl_slash_comment",
+    "delimited_list",
+    "dict_of",
+    "empty",
+    "hexnums",
+    "html_comment",
+    "identchars",
+    "identbodychars",
+    "java_style_comment",
+    "line",
+    "line_end",
+    "line_start",
+    "lineno",
+    "make_html_tags",
+    "make_xml_tags",
+    "match_only_at_col",
+    "match_previous_expr",
+    "match_previous_literal",
+    "nested_expr",
+    "null_debug_action",
+    "nums",
+    "one_of",
+    "printables",
+    "punc8bit",
+    "python_style_comment",
+    "quoted_string",
+    "remove_quotes",
+    "replace_with",
+    "replace_html_entity",
+    "rest_of_line",
+    "sgl_quoted_string",
+    "srange",
+    "string_end",
+    "string_start",
+    "trace_parse_action",
+    "unicode_string",
+    "with_attribute",
+    "indentedBlock",
+    "original_text_for",
+    "ungroup",
+    "infix_notation",
+    "locatedExpr",
+    "with_class",
+    "CloseMatch",
+    "token_map",
+    "pyparsing_common",
+    "pyparsing_unicode",
+    "unicode_set",
+    "condition_as_parse_action",
+    "pyparsing_test",
+    # pre-PEP8 compatibility names
+    "__versionTime__",
+    "anyCloseTag",
+    "anyOpenTag",
+    "cStyleComment",
+    "commonHTMLEntity",
+    "countedArray",
+    "cppStyleComment",
+    "dblQuotedString",
+    "dblSlashComment",
+    "delimitedList",
+    "dictOf",
+    "htmlComment",
+    "javaStyleComment",
+    "lineEnd",
+    "lineStart",
+    "makeHTMLTags",
+    "makeXMLTags",
+    "matchOnlyAtCol",
+    "matchPreviousExpr",
+    "matchPreviousLiteral",
+    "nestedExpr",
+    "nullDebugAction",
+    "oneOf",
+    "opAssoc",
+    "pythonStyleComment",
+    "quotedString",
+    "removeQuotes",
+    "replaceHTMLEntity",
+    "replaceWith",
+    "restOfLine",
+    "sglQuotedString",
+    "stringEnd",
+    "stringStart",
+    "traceParseAction",
+    "unicodeString",
+    "withAttribute",
+    "indentedBlock",
+    "originalTextFor",
+    "infixNotation",
+    "locatedExpr",
+    "withClass",
+    "tokenMap",
+    "conditionAsParseAction",
+    "autoname_elements",
+]
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+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/actions.py
@@ -0,0 +1,207 @@
+# actions.py
+
+from .exceptions import ParseException
+from .util import col
+
+
+class OnlyOnce:
+    """
+    Wrapper for parse actions, to ensure they are only called once.
+    """
+
+    def __init__(self, method_call):
+        from .core import _trim_arity
+
+        self.callable = _trim_arity(method_call)
+        self.called = False
+
+    def __call__(self, s, l, t):
+        if not self.called:
+            results = self.callable(s, l, t)
+            self.called = True
+            return results
+        raise ParseException(s, l, "OnlyOnce obj called multiple times w/out reset")
+
+    def reset(self):
+        """
+        Allow the associated parse action to be called once more.
+        """
+
+        self.called = False
+
+
+def match_only_at_col(n):
+    """
+    Helper method for defining parse actions that require matching at
+    a specific column in the input text.
+    """
+
+    def verify_col(strg, locn, toks):
+        if col(locn, strg) != n:
+            raise ParseException(strg, locn, "matched token not at column {}".format(n))
+
+    return verify_col
+
+
+def replace_with(repl_str):
+    """
+    Helper method for common parse actions that simply return
+    a literal value.  Especially useful when used with
+    :class:`transform_string<ParserElement.transform_string>` ().
+
+    Example::
+
+        num = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+        na = one_of("N/A NA").set_parse_action(replace_with(math.nan))
+        term = na | num
+
+        term[1, ...].parse_string("324 234 N/A 234") # -> [324, 234, nan, 234]
+    """
+    return lambda s, l, t: [repl_str]
+
+
+def remove_quotes(s, l, t):
+    """
+    Helper parse action for removing quotation marks from parsed
+    quoted strings.
+
+    Example::
+
+        # by default, quotation marks are included in parsed results
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"]
+
+        # use remove_quotes to strip quotation marks from parsed results
+        quoted_string.set_parse_action(remove_quotes)
+        quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"]
+    """
+    return t[0][1:-1]
+
+
+def with_attribute(*args, **attr_dict):
+    """
+    Helper to create a validating parse action to be used with start
+    tags created with :class:`make_xml_tags` or
+    :class:`make_html_tags`. Use ``with_attribute`` to qualify
+    a starting tag with a required attribute value, to avoid false
+    matches on common tags such as ``<TD>`` or ``<DIV>``.
+
+    Call ``with_attribute`` with a series of attribute names and
+    values. Specify the list of filter attributes names and values as:
+
+    - keyword arguments, as in ``(align="right")``, or
+    - as an explicit dict with ``**`` operator, when an attribute
+      name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}``
+    - a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align", "right"))``
+
+    For attribute names with a namespace prefix, you must use the second
+    form.  Attribute names are matched insensitive to upper/lower case.
+
+    If just testing for ``class`` (with or without a namespace), use
+    :class:`with_class`.
+
+    To verify that the attribute exists, but without specifying a value,
+    pass ``with_attribute.ANY_VALUE`` as the value.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div type="grid">1 4 0 1 0</div>
+            <div type="graph">1,3 2,3 1,1</div>
+            <div>this has no type</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+
+        # only match div tag having a type attribute with value "grid"
+        div_grid = div().set_parse_action(with_attribute(type="grid"))
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        # construct a match with any div tag having a type attribute, regardless of the value
+        div_any_type = div().set_parse_action(with_attribute(type=with_attribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    if args:
+        attrs = args[:]
+    else:
+        attrs = attr_dict.items()
+    attrs = [(k, v) for k, v in attrs]
+
+    def pa(s, l, tokens):
+        for attrName, attrValue in attrs:
+            if attrName not in tokens:
+                raise ParseException(s, l, "no matching attribute " + attrName)
+            if attrValue != with_attribute.ANY_VALUE and tokens[attrName] != attrValue:
+                raise ParseException(
+                    s,
+                    l,
+                    "attribute {!r} has value {!r}, must be {!r}".format(
+                        attrName, tokens[attrName], attrValue
+                    ),
+                )
+
+    return pa
+
+
+with_attribute.ANY_VALUE = object()
+
+
+def with_class(classname, namespace=""):
+    """
+    Simplified version of :class:`with_attribute` when
+    matching on a div class - made difficult because ``class`` is
+    a reserved word in Python.
+
+    Example::
+
+        html = '''
+            <div>
+            Some text
+            <div class="grid">1 4 0 1 0</div>
+            <div class="graph">1,3 2,3 1,1</div>
+            <div>this &lt;div&gt; has no class</div>
+            </div>
+
+        '''
+        div,div_end = make_html_tags("div")
+        div_grid = div().set_parse_action(with_class("grid"))
+
+        grid_expr = div_grid + SkipTo(div | div_end)("body")
+        for grid_header in grid_expr.search_string(html):
+            print(grid_header.body)
+
+        div_any_type = div().set_parse_action(with_class(withAttribute.ANY_VALUE))
+        div_expr = div_any_type + SkipTo(div | div_end)("body")
+        for div_header in div_expr.search_string(html):
+            print(div_header.body)
+
+    prints::
+
+        1 4 0 1 0
+
+        1 4 0 1 0
+        1,3 2,3 1,1
+    """
+    classattr = "{}:class".format(namespace) if namespace else "class"
+    return with_attribute(**{classattr: classname})
+
+
+# pre-PEP8 compatibility symbols
+replaceWith = replace_with
+removeQuotes = remove_quotes
+withAttribute = with_attribute
+withClass = with_class
+matchOnlyAtCol = match_only_at_col
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/common.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/common.py
new file mode 100644
index 00000000..1859fb79
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/common.py
@@ -0,0 +1,424 @@
+# common.py
+from .core import *
+from .helpers import delimited_list, any_open_tag, any_close_tag
+from datetime import datetime
+
+
+# some other useful expressions - using lower-case class name since we are really using this as a namespace
+class pyparsing_common:
+    """Here are some common low-level expressions that may be useful in
+    jump-starting parser development:
+
+    - numeric forms (:class:`integers<integer>`, :class:`reals<real>`,
+      :class:`scientific notation<sci_real>`)
+    - common :class:`programming identifiers<identifier>`
+    - network addresses (:class:`MAC<mac_address>`,
+      :class:`IPv4<ipv4_address>`, :class:`IPv6<ipv6_address>`)
+    - ISO8601 :class:`dates<iso8601_date>` and
+      :class:`datetime<iso8601_datetime>`
+    - :class:`UUID<uuid>`
+    - :class:`comma-separated list<comma_separated_list>`
+    - :class:`url`
+
+    Parse actions:
+
+    - :class:`convertToInteger`
+    - :class:`convertToFloat`
+    - :class:`convertToDate`
+    - :class:`convertToDatetime`
+    - :class:`stripHTMLTags`
+    - :class:`upcaseTokens`
+    - :class:`downcaseTokens`
+
+    Example::
+
+        pyparsing_common.number.runTests('''
+            # any int or real number, returned as the appropriate type
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.fnumber.runTests('''
+            # any int or real number, returned as float
+            100
+            -100
+            +100
+            3.14159
+            6.02e23
+            1e-12
+            ''')
+
+        pyparsing_common.hex_integer.runTests('''
+            # hex numbers
+            100
+            FF
+            ''')
+
+        pyparsing_common.fraction.runTests('''
+            # fractions
+            1/2
+            -3/4
+            ''')
+
+        pyparsing_common.mixed_integer.runTests('''
+            # mixed fractions
+            1
+            1/2
+            -3/4
+            1-3/4
+            ''')
+
+        import uuid
+        pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID))
+        pyparsing_common.uuid.runTests('''
+            # uuid
+            12345678-1234-5678-1234-567812345678
+            ''')
+
+    prints::
+
+        # any int or real number, returned as the appropriate type
+        100
+        [100]
+
+        -100
+        [-100]
+
+        +100
+        [100]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # any int or real number, returned as float
+        100
+        [100.0]
+
+        -100
+        [-100.0]
+
+        +100
+        [100.0]
+
+        3.14159
+        [3.14159]
+
+        6.02e23
+        [6.02e+23]
+
+        1e-12
+        [1e-12]
+
+        # hex numbers
+        100
+        [256]
+
+        FF
+        [255]
+
+        # fractions
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        # mixed fractions
+        1
+        [1]
+
+        1/2
+        [0.5]
+
+        -3/4
+        [-0.75]
+
+        1-3/4
+        [1.75]
+
+        # uuid
+        12345678-1234-5678-1234-567812345678
+        [UUID('12345678-1234-5678-1234-567812345678')]
+    """
+
+    convert_to_integer = token_map(int)
+    """
+    Parse action for converting parsed integers to Python int
+    """
+
+    convert_to_float = token_map(float)
+    """
+    Parse action for converting parsed numbers to Python float
+    """
+
+    integer = Word(nums).set_name("integer").set_parse_action(convert_to_integer)
+    """expression that parses an unsigned integer, returns an int"""
+
+    hex_integer = (
+        Word(hexnums).set_name("hex integer").set_parse_action(token_map(int, 16))
+    )
+    """expression that parses a hexadecimal integer, returns an int"""
+
+    signed_integer = (
+        Regex(r"[+-]?\d+")
+        .set_name("signed integer")
+        .set_parse_action(convert_to_integer)
+    )
+    """expression that parses an integer with optional leading sign, returns an int"""
+
+    fraction = (
+        signed_integer().set_parse_action(convert_to_float)
+        + "/"
+        + signed_integer().set_parse_action(convert_to_float)
+    ).set_name("fraction")
+    """fractional expression of an integer divided by an integer, returns a float"""
+    fraction.add_parse_action(lambda tt: tt[0] / tt[-1])
+
+    mixed_integer = (
+        fraction | signed_integer + Opt(Opt("-").suppress() + fraction)
+    ).set_name("fraction or mixed integer-fraction")
+    """mixed integer of the form 'integer - fraction', with optional leading integer, returns float"""
+    mixed_integer.add_parse_action(sum)
+
+    real = (
+        Regex(r"[+-]?(?:\d+\.\d*|\.\d+)")
+        .set_name("real number")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number and returns a float"""
+
+    sci_real = (
+        Regex(r"[+-]?(?:\d+(?:[eE][+-]?\d+)|(?:\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?)")
+        .set_name("real number with scientific notation")
+        .set_parse_action(convert_to_float)
+    )
+    """expression that parses a floating point number with optional
+    scientific notation and returns a float"""
+
+    # streamlining this expression makes the docs nicer-looking
+    number = (sci_real | real | signed_integer).setName("number").streamline()
+    """any numeric expression, returns the corresponding Python type"""
+
+    fnumber = (
+        Regex(r"[+-]?\d+\.?\d*([eE][+-]?\d+)?")
+        .set_name("fnumber")
+        .set_parse_action(convert_to_float)
+    )
+    """any int or real number, returned as float"""
+
+    identifier = Word(identchars, identbodychars).set_name("identifier")
+    """typical code identifier (leading alpha or '_', followed by 0 or more alphas, nums, or '_')"""
+
+    ipv4_address = Regex(
+        r"(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}"
+    ).set_name("IPv4 address")
+    "IPv4 address (``0.0.0.0 - 255.255.255.255``)"
+
+    _ipv6_part = Regex(r"[0-9a-fA-F]{1,4}").set_name("hex_integer")
+    _full_ipv6_address = (_ipv6_part + (":" + _ipv6_part) * 7).set_name(
+        "full IPv6 address"
+    )
+    _short_ipv6_address = (
+        Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+        + "::"
+        + Opt(_ipv6_part + (":" + _ipv6_part) * (0, 6))
+    ).set_name("short IPv6 address")
+    _short_ipv6_address.add_condition(
+        lambda t: sum(1 for tt in t if pyparsing_common._ipv6_part.matches(tt)) < 8
+    )
+    _mixed_ipv6_address = ("::ffff:" + ipv4_address).set_name("mixed IPv6 address")
+    ipv6_address = Combine(
+        (_full_ipv6_address | _mixed_ipv6_address | _short_ipv6_address).set_name(
+            "IPv6 address"
+        )
+    ).set_name("IPv6 address")
+    "IPv6 address (long, short, or mixed form)"
+
+    mac_address = Regex(
+        r"[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}"
+    ).set_name("MAC address")
+    "MAC address xx:xx:xx:xx:xx (may also have '-' or '.' delimiters)"
+
+    @staticmethod
+    def convert_to_date(fmt: str = "%Y-%m-%d"):
+        """
+        Helper to create a parse action for converting parsed date string to Python datetime.date
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%d"``)
+
+        Example::
+
+            date_expr = pyparsing_common.iso8601_date.copy()
+            date_expr.setParseAction(pyparsing_common.convertToDate())
+            print(date_expr.parseString("1999-12-31"))
+
+        prints::
+
+            [datetime.date(1999, 12, 31)]
+        """
+
+        def cvt_fn(ss, ll, tt):
+            try:
+                return datetime.strptime(tt[0], fmt).date()
+            except ValueError as ve:
+                raise ParseException(ss, ll, str(ve))
+
+        return cvt_fn
+
+    @staticmethod
+    def convert_to_datetime(fmt: str = "%Y-%m-%dT%H:%M:%S.%f"):
+        """Helper to create a parse action for converting parsed
+        datetime string to Python datetime.datetime
+
+        Params -
+        - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%dT%H:%M:%S.%f"``)
+
+        Example::
+
+            dt_expr = pyparsing_common.iso8601_datetime.copy()
+            dt_expr.setParseAction(pyparsing_common.convertToDatetime())
+            print(dt_expr.parseString("1999-12-31T23:59:59.999"))
+
+        prints::
+
+            [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)]
+        """
+
+        def cvt_fn(s, l, t):
+            try:
+                return datetime.strptime(t[0], fmt)
+            except ValueError as ve:
+                raise ParseException(s, l, str(ve))
+
+        return cvt_fn
+
+    iso8601_date = Regex(
+        r"(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?"
+    ).set_name("ISO8601 date")
+    "ISO8601 date (``yyyy-mm-dd``)"
+
+    iso8601_datetime = Regex(
+        r"(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?"
+    ).set_name("ISO8601 datetime")
+    "ISO8601 datetime (``yyyy-mm-ddThh:mm:ss.s(Z|+-00:00)``) - trailing seconds, milliseconds, and timezone optional; accepts separating ``'T'`` or ``' '``"
+
+    uuid = Regex(r"[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}").set_name("UUID")
+    "UUID (``xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx``)"
+
+    _html_stripper = any_open_tag.suppress() | any_close_tag.suppress()
+
+    @staticmethod
+    def strip_html_tags(s: str, l: int, tokens: ParseResults):
+        """Parse action to remove HTML tags from web page HTML source
+
+        Example::
+
+            # strip HTML links from normal text
+            text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+            td, td_end = makeHTMLTags("TD")
+            table_text = td + SkipTo(td_end).setParseAction(pyparsing_common.stripHTMLTags)("body") + td_end
+            print(table_text.parseString(text).body)
+
+        Prints::
+
+            More info at the pyparsing wiki page
+        """
+        return pyparsing_common._html_stripper.transform_string(tokens[0])
+
+    _commasepitem = (
+        Combine(
+            OneOrMore(
+                ~Literal(",")
+                + ~LineEnd()
+                + Word(printables, exclude_chars=",")
+                + Opt(White(" \t") + ~FollowedBy(LineEnd() | ","))
+            )
+        )
+        .streamline()
+        .set_name("commaItem")
+    )
+    comma_separated_list = delimited_list(
+        Opt(quoted_string.copy() | _commasepitem, default="")
+    ).set_name("comma separated list")
+    """Predefined expression of 1 or more printable words or quoted strings, separated by commas."""
+
+    upcase_tokens = staticmethod(token_map(lambda t: t.upper()))
+    """Parse action to convert tokens to upper case."""
+
+    downcase_tokens = staticmethod(token_map(lambda t: t.lower()))
+    """Parse action to convert tokens to lower case."""
+
+    # fmt: off
+    url = Regex(
+        # https://mathiasbynens.be/demo/url-regex
+        # https://gist.github.com/dperini/729294
+        r"^" +
+        # protocol identifier (optional)
+        # short syntax // still required
+        r"(?:(?:(?P<scheme>https?|ftp):)?\/\/)" +
+        # user:pass BasicAuth (optional)
+        r"(?:(?P<auth>\S+(?::\S*)?)@)?" +
+        r"(?P<host>" +
+        # IP address exclusion
+        # private & local networks
+        r"(?!(?:10|127)(?:\.\d{1,3}){3})" +
+        r"(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})" +
+        r"(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})" +
+        # IP address dotted notation octets
+        # excludes loopback network 0.0.0.0
+        # excludes reserved space >= 224.0.0.0
+        # excludes network & broadcast addresses
+        # (first & last IP address of each class)
+        r"(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])" +
+        r"(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}" +
+        r"(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))" +
+        r"|" +
+        # host & domain names, may end with dot
+        # can be replaced by a shortest alternative
+        # (?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.)+
+        r"(?:" +
+        r"(?:" +
+        r"[a-z0-9\u00a1-\uffff]" +
+        r"[a-z0-9\u00a1-\uffff_-]{0,62}" +
+        r")?" +
+        r"[a-z0-9\u00a1-\uffff]\." +
+        r")+" +
+        # TLD identifier name, may end with dot
+        r"(?:[a-z\u00a1-\uffff]{2,}\.?)" +
+        r")" +
+        # port number (optional)
+        r"(:(?P<port>\d{2,5}))?" +
+        # resource path (optional)
+        r"(?P<path>\/[^?# ]*)?" +
+        # query string (optional)
+        r"(\?(?P<query>[^#]*))?" +
+        # fragment (optional)
+        r"(#(?P<fragment>\S*))?" +
+        r"$"
+    ).set_name("url")
+    # fmt: on
+
+    # pre-PEP8 compatibility names
+    convertToInteger = convert_to_integer
+    convertToFloat = convert_to_float
+    convertToDate = convert_to_date
+    convertToDatetime = convert_to_datetime
+    stripHTMLTags = strip_html_tags
+    upcaseTokens = upcase_tokens
+    downcaseTokens = downcase_tokens
+
+
+_builtin_exprs = [
+    v for v in vars(pyparsing_common).values() if isinstance(v, ParserElement)
+]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/core.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/core.py
new file mode 100644
index 00000000..9acba3f3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/core.py
@@ -0,0 +1,5814 @@
+#
+# core.py
+#
+import os
+import typing
+from typing import (
+    NamedTuple,
+    Union,
+    Callable,
+    Any,
+    Generator,
+    Tuple,
+    List,
+    TextIO,
+    Set,
+    Sequence,
+)
+from abc import ABC, abstractmethod
+from enum import Enum
+import string
+import copy
+import warnings
+import re
+import sys
+from collections.abc import Iterable
+import traceback
+import types
+from operator import itemgetter
+from functools import wraps
+from threading import RLock
+from pathlib import Path
+
+from .util import (
+    _FifoCache,
+    _UnboundedCache,
+    __config_flags,
+    _collapse_string_to_ranges,
+    _escape_regex_range_chars,
+    _bslash,
+    _flatten,
+    LRUMemo as _LRUMemo,
+    UnboundedMemo as _UnboundedMemo,
+)
+from .exceptions import *
+from .actions import *
+from .results import ParseResults, _ParseResultsWithOffset
+from .unicode import pyparsing_unicode
+
+_MAX_INT = sys.maxsize
+str_type: Tuple[type, ...] = (str, bytes)
+
+#
+# Copyright (c) 2003-2022  Paul T. McGuire
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+
+if sys.version_info >= (3, 8):
+    from functools import cached_property
+else:
+
+    class cached_property:
+        def __init__(self, func):
+            self._func = func
+
+        def __get__(self, instance, owner=None):
+            ret = instance.__dict__[self._func.__name__] = self._func(instance)
+            return ret
+
+
+class __compat__(__config_flags):
+    """
+    A cross-version compatibility configuration for pyparsing features that will be
+    released in a future version. By setting values in this configuration to True,
+    those features can be enabled in prior versions for compatibility development
+    and testing.
+
+    - ``collect_all_And_tokens`` - flag to enable fix for Issue #63 that fixes erroneous grouping
+      of results names when an :class:`And` expression is nested within an :class:`Or` or :class:`MatchFirst`;
+      maintained for compatibility, but setting to ``False`` no longer restores pre-2.3.1
+      behavior
+    """
+
+    _type_desc = "compatibility"
+
+    collect_all_And_tokens = True
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _fixed_names = """
+        collect_all_And_tokens
+        """.split()
+
+
+class __diag__(__config_flags):
+    _type_desc = "diagnostic"
+
+    warn_multiple_tokens_in_named_alternation = False
+    warn_ungrouped_named_tokens_in_collection = False
+    warn_name_set_on_empty_Forward = False
+    warn_on_parse_using_empty_Forward = False
+    warn_on_assignment_to_Forward = False
+    warn_on_multiple_string_args_to_oneof = False
+    warn_on_match_first_with_lshift_operator = False
+    enable_debug_on_named_expressions = False
+
+    _all_names = [__ for __ in locals() if not __.startswith("_")]
+    _warning_names = [name for name in _all_names if name.startswith("warn")]
+    _debug_names = [name for name in _all_names if name.startswith("enable_debug")]
+
+    @classmethod
+    def enable_all_warnings(cls) -> None:
+        for name in cls._warning_names:
+            cls.enable(name)
+
+
+class Diagnostics(Enum):
+    """
+    Diagnostic configuration (all default to disabled)
+    - ``warn_multiple_tokens_in_named_alternation`` - flag to enable warnings when a results
+      name is defined on a :class:`MatchFirst` or :class:`Or` expression with one or more :class:`And` subexpressions
+    - ``warn_ungrouped_named_tokens_in_collection`` - flag to enable warnings when a results
+      name is defined on a containing expression with ungrouped subexpressions that also
+      have results names
+    - ``warn_name_set_on_empty_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      with a results name, but has no contents defined
+    - ``warn_on_parse_using_empty_Forward`` - flag to enable warnings when a :class:`Forward` is
+      defined in a grammar but has never had an expression attached to it
+    - ``warn_on_assignment_to_Forward`` - flag to enable warnings when a :class:`Forward` is defined
+      but is overwritten by assigning using ``'='`` instead of ``'<<='`` or ``'<<'``
+    - ``warn_on_multiple_string_args_to_oneof`` - flag to enable warnings when :class:`one_of` is
+      incorrectly called with multiple str arguments
+    - ``enable_debug_on_named_expressions`` - flag to auto-enable debug on all subsequent
+      calls to :class:`ParserElement.set_name`
+
+    Diagnostics are enabled/disabled by calling :class:`enable_diag` and :class:`disable_diag`.
+    All warnings can be enabled by calling :class:`enable_all_warnings`.
+    """
+
+    warn_multiple_tokens_in_named_alternation = 0
+    warn_ungrouped_named_tokens_in_collection = 1
+    warn_name_set_on_empty_Forward = 2
+    warn_on_parse_using_empty_Forward = 3
+    warn_on_assignment_to_Forward = 4
+    warn_on_multiple_string_args_to_oneof = 5
+    warn_on_match_first_with_lshift_operator = 6
+    enable_debug_on_named_expressions = 7
+
+
+def enable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Enable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.enable(diag_enum.name)
+
+
+def disable_diag(diag_enum: Diagnostics) -> None:
+    """
+    Disable a global pyparsing diagnostic flag (see :class:`Diagnostics`).
+    """
+    __diag__.disable(diag_enum.name)
+
+
+def enable_all_warnings() -> None:
+    """
+    Enable all global pyparsing diagnostic warnings (see :class:`Diagnostics`).
+    """
+    __diag__.enable_all_warnings()
+
+
+# hide abstract class
+del __config_flags
+
+
+def _should_enable_warnings(
+    cmd_line_warn_options: typing.Iterable[str], warn_env_var: typing.Optional[str]
+) -> bool:
+    enable = bool(warn_env_var)
+    for warn_opt in cmd_line_warn_options:
+        w_action, w_message, w_category, w_module, w_line = (warn_opt + "::::").split(
+            ":"
+        )[:5]
+        if not w_action.lower().startswith("i") and (
+            not (w_message or w_category or w_module) or w_module == "pyparsing"
+        ):
+            enable = True
+        elif w_action.lower().startswith("i") and w_module in ("pyparsing", ""):
+            enable = False
+    return enable
+
+
+if _should_enable_warnings(
+    sys.warnoptions, os.environ.get("PYPARSINGENABLEALLWARNINGS")
+):
+    enable_all_warnings()
+
+
+# build list of single arg builtins, that can be used as parse actions
+_single_arg_builtins = {
+    sum,
+    len,
+    sorted,
+    reversed,
+    list,
+    tuple,
+    set,
+    any,
+    all,
+    min,
+    max,
+}
+
+_generatorType = types.GeneratorType
+ParseAction = Union[
+    Callable[[], Any],
+    Callable[[ParseResults], Any],
+    Callable[[int, ParseResults], Any],
+    Callable[[str, int, ParseResults], Any],
+]
+ParseCondition = Union[
+    Callable[[], bool],
+    Callable[[ParseResults], bool],
+    Callable[[int, ParseResults], bool],
+    Callable[[str, int, ParseResults], bool],
+]
+ParseFailAction = Callable[[str, int, "ParserElement", Exception], None]
+DebugStartAction = Callable[[str, int, "ParserElement", bool], None]
+DebugSuccessAction = Callable[
+    [str, int, int, "ParserElement", ParseResults, bool], None
+]
+DebugExceptionAction = Callable[[str, int, "ParserElement", Exception, bool], None]
+
+
+alphas = string.ascii_uppercase + string.ascii_lowercase
+identchars = pyparsing_unicode.Latin1.identchars
+identbodychars = pyparsing_unicode.Latin1.identbodychars
+nums = "0123456789"
+hexnums = nums + "ABCDEFabcdef"
+alphanums = alphas + nums
+printables = "".join([c for c in string.printable if c not in string.whitespace])
+
+_trim_arity_call_line: traceback.StackSummary = None
+
+
+def _trim_arity(func, max_limit=3):
+    """decorator to trim function calls to match the arity of the target"""
+    global _trim_arity_call_line
+
+    if func in _single_arg_builtins:
+        return lambda s, l, t: func(t)
+
+    limit = 0
+    found_arity = False
+
+    def extract_tb(tb, limit=0):
+        frames = traceback.extract_tb(tb, limit=limit)
+        frame_summary = frames[-1]
+        return [frame_summary[:2]]
+
+    # synthesize what would be returned by traceback.extract_stack at the call to
+    # user's parse action 'func', so that we don't incur call penalty at parse time
+
+    # fmt: off
+    LINE_DIFF = 7
+    # IF ANY CODE CHANGES, EVEN JUST COMMENTS OR BLANK LINES, BETWEEN THE NEXT LINE AND
+    # THE CALL TO FUNC INSIDE WRAPPER, LINE_DIFF MUST BE MODIFIED!!!!
+    _trim_arity_call_line = (_trim_arity_call_line or traceback.extract_stack(limit=2)[-1])
+    pa_call_line_synth = (_trim_arity_call_line[0], _trim_arity_call_line[1] + LINE_DIFF)
+
+    def wrapper(*args):
+        nonlocal found_arity, limit
+        while 1:
+            try:
+                ret = func(*args[limit:])
+                found_arity = True
+                return ret
+            except TypeError as te:
+                # re-raise TypeErrors if they did not come from our arity testing
+                if found_arity:
+                    raise
+                else:
+                    tb = te.__traceback__
+                    trim_arity_type_error = (
+                        extract_tb(tb, limit=2)[-1][:2] == pa_call_line_synth
+                    )
+                    del tb
+
+                    if trim_arity_type_error:
+                        if limit < max_limit:
+                            limit += 1
+                            continue
+
+                    raise
+    # fmt: on
+
+    # copy func name to wrapper for sensible debug output
+    # (can't use functools.wraps, since that messes with function signature)
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    wrapper.__name__ = func_name
+    wrapper.__doc__ = func.__doc__
+
+    return wrapper
+
+
+def condition_as_parse_action(
+    fn: ParseCondition, message: str = None, fatal: bool = False
+) -> ParseAction:
+    """
+    Function to convert a simple predicate function that returns ``True`` or ``False``
+    into a parse action. Can be used in places when a parse action is required
+    and :class:`ParserElement.add_condition` cannot be used (such as when adding a condition
+    to an operator level in :class:`infix_notation`).
+
+    Optional keyword arguments:
+
+    - ``message`` - define a custom message to be used in the raised exception
+    - ``fatal`` - if True, will raise :class:`ParseFatalException` to stop parsing immediately;
+      otherwise will raise :class:`ParseException`
+
+    """
+    msg = message if message is not None else "failed user-defined condition"
+    exc_type = ParseFatalException if fatal else ParseException
+    fn = _trim_arity(fn)
+
+    @wraps(fn)
+    def pa(s, l, t):
+        if not bool(fn(s, l, t)):
+            raise exc_type(s, l, msg)
+
+    return pa
+
+
+def _default_start_debug_action(
+    instring: str, loc: int, expr: "ParserElement", cache_hit: bool = False
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(
+        (
+            "{}Match {} at loc {}({},{})\n  {}\n  {}^".format(
+                cache_hit_str,
+                expr,
+                loc,
+                lineno(loc, instring),
+                col(loc, instring),
+                line(loc, instring),
+                " " * (col(loc, instring) - 1),
+            )
+        )
+    )
+
+
+def _default_success_debug_action(
+    instring: str,
+    startloc: int,
+    endloc: int,
+    expr: "ParserElement",
+    toks: ParseResults,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print("{}Matched {} -> {}".format(cache_hit_str, expr, toks.as_list()))
+
+
+def _default_exception_debug_action(
+    instring: str,
+    loc: int,
+    expr: "ParserElement",
+    exc: Exception,
+    cache_hit: bool = False,
+):
+    cache_hit_str = "*" if cache_hit else ""
+    print(
+        "{}Match {} failed, {} raised: {}".format(
+            cache_hit_str, expr, type(exc).__name__, exc
+        )
+    )
+
+
+def null_debug_action(*args):
+    """'Do-nothing' debug action, to suppress debugging output during parsing."""
+
+
+class ParserElement(ABC):
+    """Abstract base level parser element class."""
+
+    DEFAULT_WHITE_CHARS: str = " \n\t\r"
+    verbose_stacktrace: bool = False
+    _literalStringClass: typing.Optional[type] = None
+
+    @staticmethod
+    def set_default_whitespace_chars(chars: str) -> None:
+        r"""
+        Overrides the default whitespace chars
+
+        Example::
+
+            # default whitespace chars are space, <TAB> and newline
+            Word(alphas)[1, ...].parse_string("abc def\nghi jkl")  # -> ['abc', 'def', 'ghi', 'jkl']
+
+            # change to just treat newline as significant
+            ParserElement.set_default_whitespace_chars(" \t")
+            Word(alphas)[1, ...].parse_string("abc def\nghi jkl")  # -> ['abc', 'def']
+        """
+        ParserElement.DEFAULT_WHITE_CHARS = chars
+
+        # update whitespace all parse expressions defined in this module
+        for expr in _builtin_exprs:
+            if expr.copyDefaultWhiteChars:
+                expr.whiteChars = set(chars)
+
+    @staticmethod
+    def inline_literals_using(cls: type) -> None:
+        """
+        Set class to be used for inclusion of string literals into a parser.
+
+        Example::
+
+            # default literal class used is Literal
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '/', '12', '/', '31']
+
+
+            # change to Suppress
+            ParserElement.inline_literals_using(Suppress)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            date_str.parse_string("1999/12/31")  # -> ['1999', '12', '31']
+        """
+        ParserElement._literalStringClass = cls
+
+    class DebugActions(NamedTuple):
+        debug_try: typing.Optional[DebugStartAction]
+        debug_match: typing.Optional[DebugSuccessAction]
+        debug_fail: typing.Optional[DebugExceptionAction]
+
+    def __init__(self, savelist: bool = False):
+        self.parseAction: List[ParseAction] = list()
+        self.failAction: typing.Optional[ParseFailAction] = None
+        self.customName = None
+        self._defaultName = None
+        self.resultsName = None
+        self.saveAsList = savelist
+        self.skipWhitespace = True
+        self.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        self.copyDefaultWhiteChars = True
+        # used when checking for left-recursion
+        self.mayReturnEmpty = False
+        self.keepTabs = False
+        self.ignoreExprs: List["ParserElement"] = list()
+        self.debug = False
+        self.streamlined = False
+        # optimize exception handling for subclasses that don't advance parse index
+        self.mayIndexError = True
+        self.errmsg = ""
+        # mark results names as modal (report only last) or cumulative (list all)
+        self.modalResults = True
+        # custom debug actions
+        self.debugActions = self.DebugActions(None, None, None)
+        # avoid redundant calls to preParse
+        self.callPreparse = True
+        self.callDuringTry = False
+        self.suppress_warnings_: List[Diagnostics] = []
+
+    def suppress_warning(self, warning_type: Diagnostics) -> "ParserElement":
+        """
+        Suppress warnings emitted for a particular diagnostic on this expression.
+
+        Example::
+
+            base = pp.Forward()
+            base.suppress_warning(Diagnostics.warn_on_parse_using_empty_Forward)
+
+            # statement would normally raise a warning, but is now suppressed
+            print(base.parseString("x"))
+
+        """
+        self.suppress_warnings_.append(warning_type)
+        return self
+
+    def copy(self) -> "ParserElement":
+        """
+        Make a copy of this :class:`ParserElement`.  Useful for defining
+        different parse actions for the same parsing pattern, using copies of
+        the original parse element.
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            integerK = integer.copy().add_parse_action(lambda toks: toks[0] * 1024) + Suppress("K")
+            integerM = integer.copy().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+
+            print((integerK | integerM | integer)[1, ...].parse_string("5K 100 640K 256M"))
+
+        prints::
+
+            [5120, 100, 655360, 268435456]
+
+        Equivalent form of ``expr.copy()`` is just ``expr()``::
+
+            integerM = integer().add_parse_action(lambda toks: toks[0] * 1024 * 1024) + Suppress("M")
+        """
+        cpy = copy.copy(self)
+        cpy.parseAction = self.parseAction[:]
+        cpy.ignoreExprs = self.ignoreExprs[:]
+        if self.copyDefaultWhiteChars:
+            cpy.whiteChars = set(ParserElement.DEFAULT_WHITE_CHARS)
+        return cpy
+
+    def set_results_name(
+        self, name: str, list_all_matches: bool = False, *, listAllMatches: bool = False
+    ) -> "ParserElement":
+        """
+        Define name for referencing matching tokens as a nested attribute
+        of the returned parse results.
+
+        Normally, results names are assigned as you would assign keys in a dict:
+        any existing value is overwritten by later values. If it is necessary to
+        keep all values captured for a particular results name, call ``set_results_name``
+        with ``list_all_matches`` = True.
+
+        NOTE: ``set_results_name`` returns a *copy* of the original :class:`ParserElement` object;
+        this is so that the client can define a basic element, such as an
+        integer, and reference it in multiple places with different names.
+
+        You can also set results names using the abbreviated syntax,
+        ``expr("name")`` in place of ``expr.set_results_name("name")``
+        - see :class:`__call__`. If ``list_all_matches`` is required, use
+        ``expr("name*")``.
+
+        Example::
+
+            date_str = (integer.set_results_name("year") + '/'
+                        + integer.set_results_name("month") + '/'
+                        + integer.set_results_name("day"))
+
+            # equivalent form:
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+        """
+        listAllMatches = listAllMatches or list_all_matches
+        return self._setResultsName(name, listAllMatches)
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if name is None:
+            return self
+        newself = self.copy()
+        if name.endswith("*"):
+            name = name[:-1]
+            listAllMatches = True
+        newself.resultsName = name
+        newself.modalResults = not listAllMatches
+        return newself
+
+    def set_break(self, break_flag: bool = True) -> "ParserElement":
+        """
+        Method to invoke the Python pdb debugger when this element is
+        about to be parsed. Set ``break_flag`` to ``True`` to enable, ``False`` to
+        disable.
+        """
+        if break_flag:
+            _parseMethod = self._parse
+
+            def breaker(instring, loc, doActions=True, callPreParse=True):
+                import pdb
+
+                # this call to pdb.set_trace() is intentional, not a checkin error
+                pdb.set_trace()
+                return _parseMethod(instring, loc, doActions, callPreParse)
+
+            breaker._originalParseMethod = _parseMethod
+            self._parse = breaker
+        else:
+            if hasattr(self._parse, "_originalParseMethod"):
+                self._parse = self._parse._originalParseMethod
+        return self
+
+    def set_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Define one or more actions to perform when successfully matching parse element definition.
+
+        Parse actions can be called to perform data conversions, do extra validation,
+        update external data structures, or enhance or replace the parsed tokens.
+        Each parse action ``fn`` is a callable method with 0-3 arguments, called as
+        ``fn(s, loc, toks)`` , ``fn(loc, toks)`` , ``fn(toks)`` , or just ``fn()`` , where:
+
+        - s   = the original string being parsed (see note below)
+        - loc = the location of the matching substring
+        - toks = a list of the matched tokens, packaged as a :class:`ParseResults` object
+
+        The parsed tokens are passed to the parse action as ParseResults. They can be
+        modified in place using list-style append, extend, and pop operations to update
+        the parsed list elements; and with dictionary-style item set and del operations
+        to add, update, or remove any named results. If the tokens are modified in place,
+        it is not necessary to return them with a return statement.
+
+        Parse actions can also completely replace the given tokens, with another ``ParseResults``
+        object, or with some entirely different object (common for parse actions that perform data
+        conversions). A convenient way to build a new parse result is to define the values
+        using a dict, and then create the return value using :class:`ParseResults.from_dict`.
+
+        If None is passed as the ``fn`` parse action, all previously added parse actions for this
+        expression are cleared.
+
+        Optional keyword arguments:
+
+        - call_during_try = (default= ``False``) indicate if parse action should be run during
+          lookaheads and alternate testing. For parse actions that have side effects, it is
+          important to only call the parse action once it is determined that it is being
+          called as part of a successful parse. For parse actions that perform additional
+          validation, then call_during_try should be passed as True, so that the validation
+          code is included in the preliminary "try" parses.
+
+        Note: the default parsing behavior is to expand tabs in the input string
+        before starting the parsing process.  See :class:`parse_string` for more
+        information on parsing strings containing ``<TAB>`` s, and suggested
+        methods to maintain a consistent view of the parsed string, the parse
+        location, and line and column positions within the parsed string.
+
+        Example::
+
+            # parse dates in the form YYYY/MM/DD
+
+            # use parse action to convert toks from str to int at parse time
+            def convert_to_int(toks):
+                return int(toks[0])
+
+            # use a parse action to verify that the date is a valid date
+            def is_valid_date(instring, loc, toks):
+                from datetime import date
+                year, month, day = toks[::2]
+                try:
+                    date(year, month, day)
+                except ValueError:
+                    raise ParseException(instring, loc, "invalid date given")
+
+            integer = Word(nums)
+            date_str = integer + '/' + integer + '/' + integer
+
+            # add parse actions
+            integer.set_parse_action(convert_to_int)
+            date_str.set_parse_action(is_valid_date)
+
+            # note that integer fields are now ints, not strings
+            date_str.run_tests('''
+                # successful parse - note that integer fields were converted to ints
+                1999/12/31
+
+                # fail - invalid date
+                1999/13/31
+                ''')
+        """
+        if list(fns) == [None]:
+            self.parseAction = []
+        else:
+            if not all(callable(fn) for fn in fns):
+                raise TypeError("parse actions must be callable")
+            self.parseAction = [_trim_arity(fn) for fn in fns]
+            self.callDuringTry = kwargs.get(
+                "call_during_try", kwargs.get("callDuringTry", False)
+            )
+        return self
+
+    def add_parse_action(self, *fns: ParseAction, **kwargs) -> "ParserElement":
+        """
+        Add one or more parse actions to expression's list of parse actions. See :class:`set_parse_action`.
+
+        See examples in :class:`copy`.
+        """
+        self.parseAction += [_trim_arity(fn) for fn in fns]
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def add_condition(self, *fns: ParseCondition, **kwargs) -> "ParserElement":
+        """Add a boolean predicate function to expression's list of parse actions. See
+        :class:`set_parse_action` for function call signatures. Unlike ``set_parse_action``,
+        functions passed to ``add_condition`` need to return boolean success/fail of the condition.
+
+        Optional keyword arguments:
+
+        - message = define a custom message to be used in the raised exception
+        - fatal = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise
+          ParseException
+        - call_during_try = boolean to indicate if this method should be called during internal tryParse calls,
+          default=False
+
+        Example::
+
+            integer = Word(nums).set_parse_action(lambda toks: int(toks[0]))
+            year_int = integer.copy()
+            year_int.add_condition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later")
+            date_str = year_int + '/' + integer + '/' + integer
+
+            result = date_str.parse_string("1999/12/31")  # -> Exception: Only support years 2000 and later (at char 0),
+                                                                         (line:1, col:1)
+        """
+        for fn in fns:
+            self.parseAction.append(
+                condition_as_parse_action(
+                    fn, message=kwargs.get("message"), fatal=kwargs.get("fatal", False)
+                )
+            )
+
+        self.callDuringTry = self.callDuringTry or kwargs.get(
+            "call_during_try", kwargs.get("callDuringTry", False)
+        )
+        return self
+
+    def set_fail_action(self, fn: ParseFailAction) -> "ParserElement":
+        """
+        Define action to perform if parsing fails at this expression.
+        Fail acton fn is a callable function that takes the arguments
+        ``fn(s, loc, expr, err)`` where:
+
+        - s = string being parsed
+        - loc = location where expression match was attempted and failed
+        - expr = the parse expression that failed
+        - err = the exception thrown
+
+        The function returns no value.  It may throw :class:`ParseFatalException`
+        if it is desired to stop parsing immediately."""
+        self.failAction = fn
+        return self
+
+    def _skipIgnorables(self, instring, loc):
+        exprsFound = True
+        while exprsFound:
+            exprsFound = False
+            for e in self.ignoreExprs:
+                try:
+                    while 1:
+                        loc, dummy = e._parse(instring, loc)
+                        exprsFound = True
+                except ParseException:
+                    pass
+        return loc
+
+    def preParse(self, instring, loc):
+        if self.ignoreExprs:
+            loc = self._skipIgnorables(instring, loc)
+
+        if self.skipWhitespace:
+            instrlen = len(instring)
+            white_chars = self.whiteChars
+            while loc < instrlen and instring[loc] in white_chars:
+                loc += 1
+
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        return loc, []
+
+    def postParse(self, instring, loc, tokenlist):
+        return tokenlist
+
+    # @profile
+    def _parseNoCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        TRY, MATCH, FAIL = 0, 1, 2
+        debugging = self.debug  # and doActions)
+        len_instring = len(instring)
+
+        if debugging or self.failAction:
+            # print("Match {} at loc {}({}, {})".format(self, loc, lineno(loc, instring), col(loc, instring)))
+            try:
+                if callPreParse and self.callPreparse:
+                    pre_loc = self.preParse(instring, loc)
+                else:
+                    pre_loc = loc
+                tokens_start = pre_loc
+                if self.debugActions.debug_try:
+                    self.debugActions.debug_try(instring, tokens_start, self, False)
+                if self.mayIndexError or pre_loc >= len_instring:
+                    try:
+                        loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                    except IndexError:
+                        raise ParseException(instring, len_instring, self.errmsg, self)
+                else:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+            except Exception as err:
+                # print("Exception raised:", err)
+                if self.debugActions.debug_fail:
+                    self.debugActions.debug_fail(
+                        instring, tokens_start, self, err, False
+                    )
+                if self.failAction:
+                    self.failAction(instring, tokens_start, self, err)
+                raise
+        else:
+            if callPreParse and self.callPreparse:
+                pre_loc = self.preParse(instring, loc)
+            else:
+                pre_loc = loc
+            tokens_start = pre_loc
+            if self.mayIndexError or pre_loc >= len_instring:
+                try:
+                    loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+                except IndexError:
+                    raise ParseException(instring, len_instring, self.errmsg, self)
+            else:
+                loc, tokens = self.parseImpl(instring, pre_loc, doActions)
+
+        tokens = self.postParse(instring, loc, tokens)
+
+        ret_tokens = ParseResults(
+            tokens, self.resultsName, asList=self.saveAsList, modal=self.modalResults
+        )
+        if self.parseAction and (doActions or self.callDuringTry):
+            if debugging:
+                try:
+                    for fn in self.parseAction:
+                        try:
+                            tokens = fn(instring, tokens_start, ret_tokens)
+                        except IndexError as parse_action_exc:
+                            exc = ParseException("exception raised in parse action")
+                            raise exc from parse_action_exc
+
+                        if tokens is not None and tokens is not ret_tokens:
+                            ret_tokens = ParseResults(
+                                tokens,
+                                self.resultsName,
+                                asList=self.saveAsList
+                                and isinstance(tokens, (ParseResults, list)),
+                                modal=self.modalResults,
+                            )
+                except Exception as err:
+                    # print "Exception raised in user parse action:", err
+                    if self.debugActions.debug_fail:
+                        self.debugActions.debug_fail(
+                            instring, tokens_start, self, err, False
+                        )
+                    raise
+            else:
+                for fn in self.parseAction:
+                    try:
+                        tokens = fn(instring, tokens_start, ret_tokens)
+                    except IndexError as parse_action_exc:
+                        exc = ParseException("exception raised in parse action")
+                        raise exc from parse_action_exc
+
+                    if tokens is not None and tokens is not ret_tokens:
+                        ret_tokens = ParseResults(
+                            tokens,
+                            self.resultsName,
+                            asList=self.saveAsList
+                            and isinstance(tokens, (ParseResults, list)),
+                            modal=self.modalResults,
+                        )
+        if debugging:
+            # print("Matched", self, "->", ret_tokens.as_list())
+            if self.debugActions.debug_match:
+                self.debugActions.debug_match(
+                    instring, tokens_start, loc, self, ret_tokens, False
+                )
+
+        return loc, ret_tokens
+
+    def try_parse(self, instring: str, loc: int, raise_fatal: bool = False) -> int:
+        try:
+            return self._parse(instring, loc, doActions=False)[0]
+        except ParseFatalException:
+            if raise_fatal:
+                raise
+            raise ParseException(instring, loc, self.errmsg, self)
+
+    def can_parse_next(self, instring: str, loc: int) -> bool:
+        try:
+            self.try_parse(instring, loc)
+        except (ParseException, IndexError):
+            return False
+        else:
+            return True
+
+    # cache for left-recursion in Forward references
+    recursion_lock = RLock()
+    recursion_memos: typing.Dict[
+        Tuple[int, "Forward", bool], Tuple[int, Union[ParseResults, Exception]]
+    ] = {}
+
+    # argument cache for optimizing repeated calls when backtracking through recursive expressions
+    packrat_cache = (
+        {}
+    )  # this is set later by enabled_packrat(); this is here so that reset_cache() doesn't fail
+    packrat_cache_lock = RLock()
+    packrat_cache_stats = [0, 0]
+
+    # this method gets repeatedly called during backtracking with the same arguments -
+    # we can cache these arguments and save ourselves the trouble of re-parsing the contained expression
+    def _parseCache(
+        self, instring, loc, doActions=True, callPreParse=True
+    ) -> Tuple[int, ParseResults]:
+        HIT, MISS = 0, 1
+        TRY, MATCH, FAIL = 0, 1, 2
+        lookup = (self, instring, loc, callPreParse, doActions)
+        with ParserElement.packrat_cache_lock:
+            cache = ParserElement.packrat_cache
+            value = cache.get(lookup)
+            if value is cache.not_in_cache:
+                ParserElement.packrat_cache_stats[MISS] += 1
+                try:
+                    value = self._parseNoCache(instring, loc, doActions, callPreParse)
+                except ParseBaseException as pe:
+                    # cache a copy of the exception, without the traceback
+                    cache.set(lookup, pe.__class__(*pe.args))
+                    raise
+                else:
+                    cache.set(lookup, (value[0], value[1].copy(), loc))
+                    return value
+            else:
+                ParserElement.packrat_cache_stats[HIT] += 1
+                if self.debug and self.debugActions.debug_try:
+                    try:
+                        self.debugActions.debug_try(instring, loc, self, cache_hit=True)
+                    except TypeError:
+                        pass
+                if isinstance(value, Exception):
+                    if self.debug and self.debugActions.debug_fail:
+                        try:
+                            self.debugActions.debug_fail(
+                                instring, loc, self, value, cache_hit=True
+                            )
+                        except TypeError:
+                            pass
+                    raise value
+
+                loc_, result, endloc = value[0], value[1].copy(), value[2]
+                if self.debug and self.debugActions.debug_match:
+                    try:
+                        self.debugActions.debug_match(
+                            instring, loc_, endloc, self, result, cache_hit=True
+                        )
+                    except TypeError:
+                        pass
+
+                return loc_, result
+
+    _parse = _parseNoCache
+
+    @staticmethod
+    def reset_cache() -> None:
+        ParserElement.packrat_cache.clear()
+        ParserElement.packrat_cache_stats[:] = [0] * len(
+            ParserElement.packrat_cache_stats
+        )
+        ParserElement.recursion_memos.clear()
+
+    _packratEnabled = False
+    _left_recursion_enabled = False
+
+    @staticmethod
+    def disable_memoization() -> None:
+        """
+        Disables active Packrat or Left Recursion parsing and their memoization
+
+        This method also works if neither Packrat nor Left Recursion are enabled.
+        This makes it safe to call before activating Packrat nor Left Recursion
+        to clear any previous settings.
+        """
+        ParserElement.reset_cache()
+        ParserElement._left_recursion_enabled = False
+        ParserElement._packratEnabled = False
+        ParserElement._parse = ParserElement._parseNoCache
+
+    @staticmethod
+    def enable_left_recursion(
+        cache_size_limit: typing.Optional[int] = None, *, force=False
+    ) -> None:
+        """
+        Enables "bounded recursion" parsing, which allows for both direct and indirect
+        left-recursion. During parsing, left-recursive :class:`Forward` elements are
+        repeatedly matched with a fixed recursion depth that is gradually increased
+        until finding the longest match.
+
+        Example::
+
+            import pyparsing as pp
+            pp.ParserElement.enable_left_recursion()
+
+            E = pp.Forward("E")
+            num = pp.Word(pp.nums)
+            # match `num`, or `num '+' num`, or `num '+' num '+' num`, ...
+            E <<= E + '+' - num | num
+
+            print(E.parse_string("1+2+3"))
+
+        Recursion search naturally memoizes matches of ``Forward`` elements and may
+        thus skip reevaluation of parse actions during backtracking. This may break
+        programs with parse actions which rely on strict ordering of side-effects.
+
+        Parameters:
+
+        - cache_size_limit - (default=``None``) - memoize at most this many
+          ``Forward`` elements during matching; if ``None`` (the default),
+          memoize all ``Forward`` elements.
+
+        Bounded Recursion parsing works similar but not identical to Packrat parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._packratEnabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if cache_size_limit is None:
+            ParserElement.recursion_memos = _UnboundedMemo()
+        elif cache_size_limit > 0:
+            ParserElement.recursion_memos = _LRUMemo(capacity=cache_size_limit)
+        else:
+            raise NotImplementedError("Memo size of %s" % cache_size_limit)
+        ParserElement._left_recursion_enabled = True
+
+    @staticmethod
+    def enable_packrat(cache_size_limit: int = 128, *, force: bool = False) -> None:
+        """
+        Enables "packrat" parsing, which adds memoizing to the parsing logic.
+        Repeated parse attempts at the same string location (which happens
+        often in many complex grammars) can immediately return a cached value,
+        instead of re-executing parsing/validating code.  Memoizing is done of
+        both valid results and parsing exceptions.
+
+        Parameters:
+
+        - cache_size_limit - (default= ``128``) - if an integer value is provided
+          will limit the size of the packrat cache; if None is passed, then
+          the cache size will be unbounded; if 0 is passed, the cache will
+          be effectively disabled.
+
+        This speedup may break existing programs that use parse actions that
+        have side-effects.  For this reason, packrat parsing is disabled when
+        you first import pyparsing.  To activate the packrat feature, your
+        program must call the class method :class:`ParserElement.enable_packrat`.
+        For best results, call ``enable_packrat()`` immediately after
+        importing pyparsing.
+
+        Example::
+
+            import pyparsing
+            pyparsing.ParserElement.enable_packrat()
+
+        Packrat parsing works similar but not identical to Bounded Recursion parsing,
+        thus the two cannot be used together. Use ``force=True`` to disable any
+        previous, conflicting settings.
+        """
+        if force:
+            ParserElement.disable_memoization()
+        elif ParserElement._left_recursion_enabled:
+            raise RuntimeError("Packrat and Bounded Recursion are not compatible")
+        if not ParserElement._packratEnabled:
+            ParserElement._packratEnabled = True
+            if cache_size_limit is None:
+                ParserElement.packrat_cache = _UnboundedCache()
+            else:
+                ParserElement.packrat_cache = _FifoCache(cache_size_limit)
+            ParserElement._parse = ParserElement._parseCache
+
+    def parse_string(
+        self, instring: str, parse_all: bool = False, *, parseAll: bool = False
+    ) -> ParseResults:
+        """
+        Parse a string with respect to the parser definition. This function is intended as the primary interface to the
+        client code.
+
+        :param instring: The input string to be parsed.
+        :param parse_all: If set, the entire input string must match the grammar.
+        :param parseAll: retained for pre-PEP8 compatibility, will be removed in a future release.
+        :raises ParseException: Raised if ``parse_all`` is set and the input string does not match the whole grammar.
+        :returns: the parsed data as a :class:`ParseResults` object, which may be accessed as a `list`, a `dict`, or
+          an object with attributes if the given parser includes results names.
+
+        If the input string is required to match the entire grammar, ``parse_all`` flag must be set to ``True``. This
+        is also equivalent to ending the grammar with :class:`StringEnd`().
+
+        To report proper column numbers, ``parse_string`` operates on a copy of the input string where all tabs are
+        converted to spaces (8 spaces per tab, as per the default in ``string.expandtabs``). If the input string
+        contains tabs and the grammar uses parse actions that use the ``loc`` argument to index into the string
+        being parsed, one can ensure a consistent view of the input string by doing one of the following:
+
+        - calling ``parse_with_tabs`` on your grammar before calling ``parse_string`` (see :class:`parse_with_tabs`),
+        - define your parse action using the full ``(s,loc,toks)`` signature, and reference the input string using the
+          parse action's ``s`` argument, or
+        - explicitly expand the tabs in your input string before calling ``parse_string``.
+
+        Examples:
+
+        By default, partial matches are OK.
+
+        >>> res = Word('a').parse_string('aaaaabaaa')
+        >>> print(res)
+        ['aaaaa']
+
+        The parsing behavior varies by the inheriting class of this abstract class. Please refer to the children
+        directly to see more examples.
+
+        It raises an exception if parse_all flag is set and instring does not match the whole grammar.
+
+        >>> res = Word('a').parse_string('aaaaabaaa', parse_all=True)
+        Traceback (most recent call last):
+        ...
+        pyparsing.ParseException: Expected end of text, found 'b'  (at char 5), (line:1, col:6)
+        """
+        parseAll = parse_all or parseAll
+
+        ParserElement.reset_cache()
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+        if not self.keepTabs:
+            instring = instring.expandtabs()
+        try:
+            loc, tokens = self._parse(instring, 0)
+            if parseAll:
+                loc = self.preParse(instring, loc)
+                se = Empty() + StringEnd()
+                se._parse(instring, loc)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clearing out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+        else:
+            return tokens
+
+    def scan_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        overlap: bool = False,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> Generator[Tuple[ParseResults, int, int], None, None]:
+        """
+        Scan the input string for expression matches.  Each match will return the
+        matching tokens, start location, and end location.  May be called with optional
+        ``max_matches`` argument, to clip scanning after 'n' matches are found.  If
+        ``overlap`` is specified, then overlapping matches will be reported.
+
+        Note that the start and end locations are reported relative to the string
+        being parsed.  See :class:`parse_string` for more information on parsing
+        strings with embedded tabs.
+
+        Example::
+
+            source = "sldjf123lsdjjkf345sldkjf879lkjsfd987"
+            print(source)
+            for tokens, start, end in Word(alphas).scan_string(source):
+                print(' '*start + '^'*(end-start))
+                print(' '*start + tokens[0])
+
+        prints::
+
+            sldjf123lsdjjkf345sldkjf879lkjsfd987
+            ^^^^^
+            sldjf
+                    ^^^^^^^
+                    lsdjjkf
+                              ^^^^^^
+                              sldkjf
+                                       ^^^^^^
+                                       lkjsfd
+        """
+        maxMatches = min(maxMatches, max_matches)
+        if not self.streamlined:
+            self.streamline()
+        for e in self.ignoreExprs:
+            e.streamline()
+
+        if not self.keepTabs:
+            instring = str(instring).expandtabs()
+        instrlen = len(instring)
+        loc = 0
+        preparseFn = self.preParse
+        parseFn = self._parse
+        ParserElement.resetCache()
+        matches = 0
+        try:
+            while loc <= instrlen and matches < maxMatches:
+                try:
+                    preloc = preparseFn(instring, loc)
+                    nextLoc, tokens = parseFn(instring, preloc, callPreParse=False)
+                except ParseException:
+                    loc = preloc + 1
+                else:
+                    if nextLoc > loc:
+                        matches += 1
+                        if debug:
+                            print(
+                                {
+                                    "tokens": tokens.asList(),
+                                    "start": preloc,
+                                    "end": nextLoc,
+                                }
+                            )
+                        yield tokens, preloc, nextLoc
+                        if overlap:
+                            nextloc = preparseFn(instring, loc)
+                            if nextloc > loc:
+                                loc = nextLoc
+                            else:
+                                loc += 1
+                        else:
+                            loc = nextLoc
+                    else:
+                        loc = preloc + 1
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def transform_string(self, instring: str, *, debug: bool = False) -> str:
+        """
+        Extension to :class:`scan_string`, to modify matching text with modified tokens that may
+        be returned from a parse action.  To use ``transform_string``, define a grammar and
+        attach a parse action to it that modifies the returned token list.
+        Invoking ``transform_string()`` on a target string will then scan for matches,
+        and replace the matched text patterns according to the logic in the parse
+        action.  ``transform_string()`` returns the resulting transformed string.
+
+        Example::
+
+            wd = Word(alphas)
+            wd.set_parse_action(lambda toks: toks[0].title())
+
+            print(wd.transform_string("now is the winter of our discontent made glorious summer by this sun of york."))
+
+        prints::
+
+            Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York.
+        """
+        out: List[str] = []
+        lastE = 0
+        # force preservation of <TAB>s, to minimize unwanted transformation of string, and to
+        # keep string locs straight between transform_string and scan_string
+        self.keepTabs = True
+        try:
+            for t, s, e in self.scan_string(instring, debug=debug):
+                out.append(instring[lastE:s])
+                if t:
+                    if isinstance(t, ParseResults):
+                        out += t.as_list()
+                    elif isinstance(t, Iterable) and not isinstance(t, str_type):
+                        out.extend(t)
+                    else:
+                        out.append(t)
+                lastE = e
+            out.append(instring[lastE:])
+            out = [o for o in out if o]
+            return "".join([str(s) for s in _flatten(out)])
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def search_string(
+        self,
+        instring: str,
+        max_matches: int = _MAX_INT,
+        *,
+        debug: bool = False,
+        maxMatches: int = _MAX_INT,
+    ) -> ParseResults:
+        """
+        Another extension to :class:`scan_string`, simplifying the access to the tokens found
+        to match the given parse expression.  May be called with optional
+        ``max_matches`` argument, to clip searching after 'n' matches are found.
+
+        Example::
+
+            # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters
+            cap_word = Word(alphas.upper(), alphas.lower())
+
+            print(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity"))
+
+            # the sum() builtin can be used to merge results into a single ParseResults object
+            print(sum(cap_word.search_string("More than Iron, more than Lead, more than Gold I need Electricity")))
+
+        prints::
+
+            [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']]
+            ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity']
+        """
+        maxMatches = min(maxMatches, max_matches)
+        try:
+            return ParseResults(
+                [t for t, s, e in self.scan_string(instring, maxMatches, debug=debug)]
+            )
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def split(
+        self,
+        instring: str,
+        maxsplit: int = _MAX_INT,
+        include_separators: bool = False,
+        *,
+        includeSeparators=False,
+    ) -> Generator[str, None, None]:
+        """
+        Generator method to split a string using the given expression as a separator.
+        May be called with optional ``maxsplit`` argument, to limit the number of splits;
+        and the optional ``include_separators`` argument (default= ``False``), if the separating
+        matching text should be included in the split results.
+
+        Example::
+
+            punc = one_of(list(".,;:/-!?"))
+            print(list(punc.split("This, this?, this sentence, is badly punctuated!")))
+
+        prints::
+
+            ['This', ' this', '', ' this sentence', ' is badly punctuated', '']
+        """
+        includeSeparators = includeSeparators or include_separators
+        last = 0
+        for t, s, e in self.scan_string(instring, max_matches=maxsplit):
+            yield instring[last:s]
+            if includeSeparators:
+                yield t[0]
+            last = e
+        yield instring[last:]
+
+    def __add__(self, other) -> "ParserElement":
+        """
+        Implementation of ``+`` operator - returns :class:`And`. Adding strings to a :class:`ParserElement`
+        converts them to :class:`Literal`s by default.
+
+        Example::
+
+            greet = Word(alphas) + "," + Word(alphas) + "!"
+            hello = "Hello, World!"
+            print(hello, "->", greet.parse_string(hello))
+
+        prints::
+
+            Hello, World! -> ['Hello', ',', 'World', '!']
+
+        ``...`` may be used as a parse expression as a short form of :class:`SkipTo`.
+
+            Literal('start') + ... + Literal('end')
+
+        is equivalent to:
+
+            Literal('start') + SkipTo('end')("_skipped*") + Literal('end')
+
+        Note that the skipped text is returned with '_skipped' as a results name,
+        and to support having multiple skips in the same parser, the value returned is
+        a list of all skipped text.
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self)
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return And([self, other])
+
+    def __radd__(self, other) -> "ParserElement":
+        """
+        Implementation of ``+`` operator when left operand is not a :class:`ParserElement`
+        """
+        if other is Ellipsis:
+            return SkipTo(self)("_skipped*") + self
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other + self
+
+    def __sub__(self, other) -> "ParserElement":
+        """
+        Implementation of ``-`` operator, returns :class:`And` with error stop
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return self + And._ErrorStop() + other
+
+    def __rsub__(self, other) -> "ParserElement":
+        """
+        Implementation of ``-`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other - self
+
+    def __mul__(self, other) -> "ParserElement":
+        """
+        Implementation of ``*`` operator, allows use of ``expr * 3`` in place of
+        ``expr + expr + expr``.  Expressions may also be multiplied by a 2-integer
+        tuple, similar to ``{min, max}`` multipliers in regular expressions.  Tuples
+        may also include ``None`` as in:
+        - ``expr*(n, None)`` or ``expr*(n, )`` is equivalent
+             to ``expr*n + ZeroOrMore(expr)``
+             (read as "at least n instances of ``expr``")
+        - ``expr*(None, n)`` is equivalent to ``expr*(0, n)``
+             (read as "0 to n instances of ``expr``")
+        - ``expr*(None, None)`` is equivalent to ``ZeroOrMore(expr)``
+        - ``expr*(1, None)`` is equivalent to ``OneOrMore(expr)``
+
+        Note that ``expr*(None, n)`` does not raise an exception if
+        more than n exprs exist in the input stream; that is,
+        ``expr*(None, n)`` does not enforce a maximum number of expr
+        occurrences.  If this behavior is desired, then write
+        ``expr*(None, n) + ~expr``
+        """
+        if other is Ellipsis:
+            other = (0, None)
+        elif isinstance(other, tuple) and other[:1] == (Ellipsis,):
+            other = ((0,) + other[1:] + (None,))[:2]
+
+        if isinstance(other, int):
+            minElements, optElements = other, 0
+        elif isinstance(other, tuple):
+            other = tuple(o if o is not Ellipsis else None for o in other)
+            other = (other + (None, None))[:2]
+            if other[0] is None:
+                other = (0, other[1])
+            if isinstance(other[0], int) and other[1] is None:
+                if other[0] == 0:
+                    return ZeroOrMore(self)
+                if other[0] == 1:
+                    return OneOrMore(self)
+                else:
+                    return self * other[0] + ZeroOrMore(self)
+            elif isinstance(other[0], int) and isinstance(other[1], int):
+                minElements, optElements = other
+                optElements -= minElements
+            else:
+                raise TypeError(
+                    "cannot multiply ParserElement and ({}) objects".format(
+                        ",".join(type(item).__name__ for item in other)
+                    )
+                )
+        else:
+            raise TypeError(
+                "cannot multiply ParserElement and {} objects".format(
+                    type(other).__name__
+                )
+            )
+
+        if minElements < 0:
+            raise ValueError("cannot multiply ParserElement by negative value")
+        if optElements < 0:
+            raise ValueError(
+                "second tuple value must be greater or equal to first tuple value"
+            )
+        if minElements == optElements == 0:
+            return And([])
+
+        if optElements:
+
+            def makeOptionalList(n):
+                if n > 1:
+                    return Opt(self + makeOptionalList(n - 1))
+                else:
+                    return Opt(self)
+
+            if minElements:
+                if minElements == 1:
+                    ret = self + makeOptionalList(optElements)
+                else:
+                    ret = And([self] * minElements) + makeOptionalList(optElements)
+            else:
+                ret = makeOptionalList(optElements)
+        else:
+            if minElements == 1:
+                ret = self
+            else:
+                ret = And([self] * minElements)
+        return ret
+
+    def __rmul__(self, other) -> "ParserElement":
+        return self.__mul__(other)
+
+    def __or__(self, other) -> "ParserElement":
+        """
+        Implementation of ``|`` operator - returns :class:`MatchFirst`
+        """
+        if other is Ellipsis:
+            return _PendingSkip(self, must_skip=True)
+
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return MatchFirst([self, other])
+
+    def __ror__(self, other) -> "ParserElement":
+        """
+        Implementation of ``|`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other | self
+
+    def __xor__(self, other) -> "ParserElement":
+        """
+        Implementation of ``^`` operator - returns :class:`Or`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return Or([self, other])
+
+    def __rxor__(self, other) -> "ParserElement":
+        """
+        Implementation of ``^`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other ^ self
+
+    def __and__(self, other) -> "ParserElement":
+        """
+        Implementation of ``&`` operator - returns :class:`Each`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return Each([self, other])
+
+    def __rand__(self, other) -> "ParserElement":
+        """
+        Implementation of ``&`` operator when left operand is not a :class:`ParserElement`
+        """
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        if not isinstance(other, ParserElement):
+            raise TypeError(
+                "Cannot combine element of type {} with ParserElement".format(
+                    type(other).__name__
+                )
+            )
+        return other & self
+
+    def __invert__(self) -> "ParserElement":
+        """
+        Implementation of ``~`` operator - returns :class:`NotAny`
+        """
+        return NotAny(self)
+
+    # disable __iter__ to override legacy use of sequential access to __getitem__ to
+    # iterate over a sequence
+    __iter__ = None
+
+    def __getitem__(self, key):
+        """
+        use ``[]`` indexing notation as a short form for expression repetition:
+
+        - ``expr[n]`` is equivalent to ``expr*n``
+        - ``expr[m, n]`` is equivalent to ``expr*(m, n)``
+        - ``expr[n, ...]`` or ``expr[n,]`` is equivalent
+             to ``expr*n + ZeroOrMore(expr)``
+             (read as "at least n instances of ``expr``")
+        - ``expr[..., n]`` is equivalent to ``expr*(0, n)``
+             (read as "0 to n instances of ``expr``")
+        - ``expr[...]`` and ``expr[0, ...]`` are equivalent to ``ZeroOrMore(expr)``
+        - ``expr[1, ...]`` is equivalent to ``OneOrMore(expr)``
+
+        ``None`` may be used in place of ``...``.
+
+        Note that ``expr[..., n]`` and ``expr[m, n]``do not raise an exception
+        if more than ``n`` ``expr``s exist in the input stream.  If this behavior is
+        desired, then write ``expr[..., n] + ~expr``.
+        """
+
+        # convert single arg keys to tuples
+        try:
+            if isinstance(key, str_type):
+                key = (key,)
+            iter(key)
+        except TypeError:
+            key = (key, key)
+
+        if len(key) > 2:
+            raise TypeError(
+                "only 1 or 2 index arguments supported ({}{})".format(
+                    key[:5], "... [{}]".format(len(key)) if len(key) > 5 else ""
+                )
+            )
+
+        # clip to 2 elements
+        ret = self * tuple(key[:2])
+        return ret
+
+    def __call__(self, name: str = None) -> "ParserElement":
+        """
+        Shortcut for :class:`set_results_name`, with ``list_all_matches=False``.
+
+        If ``name`` is given with a trailing ``'*'`` character, then ``list_all_matches`` will be
+        passed as ``True``.
+
+        If ``name` is omitted, same as calling :class:`copy`.
+
+        Example::
+
+            # these are equivalent
+            userdata = Word(alphas).set_results_name("name") + Word(nums + "-").set_results_name("socsecno")
+            userdata = Word(alphas)("name") + Word(nums + "-")("socsecno")
+        """
+        if name is not None:
+            return self._setResultsName(name)
+        else:
+            return self.copy()
+
+    def suppress(self) -> "ParserElement":
+        """
+        Suppresses the output of this :class:`ParserElement`; useful to keep punctuation from
+        cluttering up returned output.
+        """
+        return Suppress(self)
+
+    def ignore_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Enables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.
+
+        :param recursive: If ``True`` (the default), also enable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = True
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> "ParserElement":
+        """
+        Disables the skipping of whitespace before matching the characters in the
+        :class:`ParserElement`'s defined pattern.  This is normally only used internally by
+        the pyparsing module, but may be needed in some whitespace-sensitive grammars.
+
+        :param recursive: If true (the default), also disable whitespace skipping in child elements (if any)
+        """
+        self.skipWhitespace = False
+        return self
+
+    def set_whitespace_chars(
+        self, chars: Union[Set[str], str], copy_defaults: bool = False
+    ) -> "ParserElement":
+        """
+        Overrides the default whitespace chars
+        """
+        self.skipWhitespace = True
+        self.whiteChars = set(chars)
+        self.copyDefaultWhiteChars = copy_defaults
+        return self
+
+    def parse_with_tabs(self) -> "ParserElement":
+        """
+        Overrides default behavior to expand ``<TAB>`` s to spaces before parsing the input string.
+        Must be called before ``parse_string`` when the input grammar contains elements that
+        match ``<TAB>`` characters.
+        """
+        self.keepTabs = True
+        return self
+
+    def ignore(self, other: "ParserElement") -> "ParserElement":
+        """
+        Define expression to be ignored (e.g., comments) while doing pattern
+        matching; may be called repeatedly, to define multiple comment or other
+        ignorable patterns.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj']
+
+            patt.ignore(c_style_comment)
+            patt.parse_string('ablaj /* comment */ lskjd')
+            # -> ['ablaj', 'lskjd']
+        """
+        import typing
+
+        if isinstance(other, str_type):
+            other = Suppress(other)
+
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                self.ignoreExprs.append(other)
+        else:
+            self.ignoreExprs.append(Suppress(other.copy()))
+        return self
+
+    def set_debug_actions(
+        self,
+        start_action: DebugStartAction,
+        success_action: DebugSuccessAction,
+        exception_action: DebugExceptionAction,
+    ) -> "ParserElement":
+        """
+        Customize display of debugging messages while doing pattern matching:
+
+        - ``start_action`` - method to be called when an expression is about to be parsed;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, cache_hit: bool)``
+
+        - ``success_action`` - method to be called when an expression has successfully parsed;
+          should have the signature ``fn(input_string: str, start_location: int, end_location: int, expression: ParserELement, parsed_tokens: ParseResults, cache_hit: bool)``
+
+        - ``exception_action`` - method to be called when expression fails to parse;
+          should have the signature ``fn(input_string: str, location: int, expression: ParserElement, exception: Exception, cache_hit: bool)``
+        """
+        self.debugActions = self.DebugActions(
+            start_action or _default_start_debug_action,
+            success_action or _default_success_debug_action,
+            exception_action or _default_exception_debug_action,
+        )
+        self.debug = True
+        return self
+
+    def set_debug(self, flag: bool = True) -> "ParserElement":
+        """
+        Enable display of debugging messages while doing pattern matching.
+        Set ``flag`` to ``True`` to enable, ``False`` to disable.
+
+        Example::
+
+            wd = Word(alphas).set_name("alphaword")
+            integer = Word(nums).set_name("numword")
+            term = wd | integer
+
+            # turn on debugging for wd
+            wd.set_debug()
+
+            term[1, ...].parse_string("abc 123 xyz 890")
+
+        prints::
+
+            Match alphaword at loc 0(1,1)
+            Matched alphaword -> ['abc']
+            Match alphaword at loc 3(1,4)
+            Exception raised:Expected alphaword (at char 4), (line:1, col:5)
+            Match alphaword at loc 7(1,8)
+            Matched alphaword -> ['xyz']
+            Match alphaword at loc 11(1,12)
+            Exception raised:Expected alphaword (at char 12), (line:1, col:13)
+            Match alphaword at loc 15(1,16)
+            Exception raised:Expected alphaword (at char 15), (line:1, col:16)
+
+        The output shown is that produced by the default debug actions - custom debug actions can be
+        specified using :class:`set_debug_actions`. Prior to attempting
+        to match the ``wd`` expression, the debugging message ``"Match <exprname> at loc <n>(<line>,<col>)"``
+        is shown. Then if the parse succeeds, a ``"Matched"`` message is shown, or an ``"Exception raised"``
+        message is shown. Also note the use of :class:`set_name` to assign a human-readable name to the expression,
+        which makes debugging and exception messages easier to understand - for instance, the default
+        name created for the :class:`Word` expression without calling ``set_name`` is ``"W:(A-Za-z)"``.
+        """
+        if flag:
+            self.set_debug_actions(
+                _default_start_debug_action,
+                _default_success_debug_action,
+                _default_exception_debug_action,
+            )
+        else:
+            self.debug = False
+        return self
+
+    @property
+    def default_name(self) -> str:
+        if self._defaultName is None:
+            self._defaultName = self._generateDefaultName()
+        return self._defaultName
+
+    @abstractmethod
+    def _generateDefaultName(self):
+        """
+        Child classes must define this method, which defines how the ``default_name`` is set.
+        """
+
+    def set_name(self, name: str) -> "ParserElement":
+        """
+        Define name for this expression, makes debugging and exception messages clearer.
+        Example::
+            Word(nums).parse_string("ABC")  # -> Exception: Expected W:(0-9) (at char 0), (line:1, col:1)
+            Word(nums).set_name("integer").parse_string("ABC")  # -> Exception: Expected integer (at char 0), (line:1, col:1)
+        """
+        self.customName = name
+        self.errmsg = "Expected " + self.name
+        if __diag__.enable_debug_on_named_expressions:
+            self.set_debug()
+        return self
+
+    @property
+    def name(self) -> str:
+        # This will use a user-defined name if available, but otherwise defaults back to the auto-generated name
+        return self.customName if self.customName is not None else self.default_name
+
+    def __str__(self) -> str:
+        return self.name
+
+    def __repr__(self) -> str:
+        return str(self)
+
+    def streamline(self) -> "ParserElement":
+        self.streamlined = True
+        self._defaultName = None
+        return self
+
+    def recurse(self) -> Sequence["ParserElement"]:
+        return []
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.recurse():
+            e._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        """
+        Check defined expressions for valid structure, check for infinite recursive definitions.
+        """
+        self._checkRecursion([])
+
+    def parse_file(
+        self,
+        file_or_filename: Union[str, Path, TextIO],
+        encoding: str = "utf-8",
+        parse_all: bool = False,
+        *,
+        parseAll: bool = False,
+    ) -> ParseResults:
+        """
+        Execute the parse expression on the given file or filename.
+        If a filename is specified (instead of a file object),
+        the entire file is opened, read, and closed before parsing.
+        """
+        parseAll = parseAll or parse_all
+        try:
+            file_contents = file_or_filename.read()
+        except AttributeError:
+            with open(file_or_filename, "r", encoding=encoding) as f:
+                file_contents = f.read()
+        try:
+            return self.parse_string(file_contents, parseAll)
+        except ParseBaseException as exc:
+            if ParserElement.verbose_stacktrace:
+                raise
+            else:
+                # catch and re-raise exception from here, clears out pyparsing internal stack trace
+                raise exc.with_traceback(None)
+
+    def __eq__(self, other):
+        if self is other:
+            return True
+        elif isinstance(other, str_type):
+            return self.matches(other, parse_all=True)
+        elif isinstance(other, ParserElement):
+            return vars(self) == vars(other)
+        return False
+
+    def __hash__(self):
+        return id(self)
+
+    def matches(
+        self, test_string: str, parse_all: bool = True, *, parseAll: bool = True
+    ) -> bool:
+        """
+        Method for quick testing of a parser against a test string. Good for simple
+        inline microtests of sub expressions while building up larger parser.
+
+        Parameters:
+        - ``test_string`` - to test against this expression for a match
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+
+        Example::
+
+            expr = Word(nums)
+            assert expr.matches("100")
+        """
+        parseAll = parseAll and parse_all
+        try:
+            self.parse_string(str(test_string), parse_all=parseAll)
+            return True
+        except ParseBaseException:
+            return False
+
+    def run_tests(
+        self,
+        tests: Union[str, List[str]],
+        parse_all: bool = True,
+        comment: typing.Optional[Union["ParserElement", str]] = "#",
+        full_dump: bool = True,
+        print_results: bool = True,
+        failure_tests: bool = False,
+        post_parse: Callable[[str, ParseResults], str] = None,
+        file: typing.Optional[TextIO] = None,
+        with_line_numbers: bool = False,
+        *,
+        parseAll: bool = True,
+        fullDump: bool = True,
+        printResults: bool = True,
+        failureTests: bool = False,
+        postParse: Callable[[str, ParseResults], str] = None,
+    ) -> Tuple[bool, List[Tuple[str, Union[ParseResults, Exception]]]]:
+        """
+        Execute the parse expression on a series of test strings, showing each
+        test, the parsed results or where the parse failed. Quick and easy way to
+        run a parse expression against a list of sample strings.
+
+        Parameters:
+        - ``tests`` - a list of separate test strings, or a multiline string of test strings
+        - ``parse_all`` - (default= ``True``) - flag to pass to :class:`parse_string` when running tests
+        - ``comment`` - (default= ``'#'``) - expression for indicating embedded comments in the test
+          string; pass None to disable comment filtering
+        - ``full_dump`` - (default= ``True``) - dump results as list followed by results names in nested outline;
+          if False, only dump nested list
+        - ``print_results`` - (default= ``True``) prints test output to stdout
+        - ``failure_tests`` - (default= ``False``) indicates if these tests are expected to fail parsing
+        - ``post_parse`` - (default= ``None``) optional callback for successful parse results; called as
+          `fn(test_string, parse_results)` and returns a string to be added to the test output
+        - ``file`` - (default= ``None``) optional file-like object to which test output will be written;
+          if None, will default to ``sys.stdout``
+        - ``with_line_numbers`` - default= ``False``) show test strings with line and column numbers
+
+        Returns: a (success, results) tuple, where success indicates that all tests succeeded
+        (or failed if ``failure_tests`` is True), and the results contain a list of lines of each
+        test's output
+
+        Example::
+
+            number_expr = pyparsing_common.number.copy()
+
+            result = number_expr.run_tests('''
+                # unsigned integer
+                100
+                # negative integer
+                -100
+                # float with scientific notation
+                6.02e23
+                # integer with scientific notation
+                1e-12
+                ''')
+            print("Success" if result[0] else "Failed!")
+
+            result = number_expr.run_tests('''
+                # stray character
+                100Z
+                # missing leading digit before '.'
+                -.100
+                # too many '.'
+                3.14.159
+                ''', failure_tests=True)
+            print("Success" if result[0] else "Failed!")
+
+        prints::
+
+            # unsigned integer
+            100
+            [100]
+
+            # negative integer
+            -100
+            [-100]
+
+            # float with scientific notation
+            6.02e23
+            [6.02e+23]
+
+            # integer with scientific notation
+            1e-12
+            [1e-12]
+
+            Success
+
+            # stray character
+            100Z
+               ^
+            FAIL: Expected end of text (at char 3), (line:1, col:4)
+
+            # missing leading digit before '.'
+            -.100
+            ^
+            FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1)
+
+            # too many '.'
+            3.14.159
+                ^
+            FAIL: Expected end of text (at char 4), (line:1, col:5)
+
+            Success
+
+        Each test string must be on a single line. If you want to test a string that spans multiple
+        lines, create a test like this::
+
+            expr.run_tests(r"this is a test\\n of strings that spans \\n 3 lines")
+
+        (Note that this is a raw string literal, you must include the leading ``'r'``.)
+        """
+        from .testing import pyparsing_test
+
+        parseAll = parseAll and parse_all
+        fullDump = fullDump and full_dump
+        printResults = printResults and print_results
+        failureTests = failureTests or failure_tests
+        postParse = postParse or post_parse
+        if isinstance(tests, str_type):
+            line_strip = type(tests).strip
+            tests = [line_strip(test_line) for test_line in tests.rstrip().splitlines()]
+        if isinstance(comment, str_type):
+            comment = Literal(comment)
+        if file is None:
+            file = sys.stdout
+        print_ = file.write
+
+        result: Union[ParseResults, Exception]
+        allResults = []
+        comments = []
+        success = True
+        NL = Literal(r"\n").add_parse_action(replace_with("\n")).ignore(quoted_string)
+        BOM = "\ufeff"
+        for t in tests:
+            if comment is not None and comment.matches(t, False) or comments and not t:
+                comments.append(
+                    pyparsing_test.with_line_numbers(t) if with_line_numbers else t
+                )
+                continue
+            if not t:
+                continue
+            out = [
+                "\n" + "\n".join(comments) if comments else "",
+                pyparsing_test.with_line_numbers(t) if with_line_numbers else t,
+            ]
+            comments = []
+            try:
+                # convert newline marks to actual newlines, and strip leading BOM if present
+                t = NL.transform_string(t.lstrip(BOM))
+                result = self.parse_string(t, parse_all=parseAll)
+            except ParseBaseException as pe:
+                fatal = "(FATAL)" if isinstance(pe, ParseFatalException) else ""
+                out.append(pe.explain())
+                out.append("FAIL: " + str(pe))
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(pe.__traceback__))
+                success = success and failureTests
+                result = pe
+            except Exception as exc:
+                out.append("FAIL-EXCEPTION: {}: {}".format(type(exc).__name__, exc))
+                if ParserElement.verbose_stacktrace:
+                    out.extend(traceback.format_tb(exc.__traceback__))
+                success = success and failureTests
+                result = exc
+            else:
+                success = success and not failureTests
+                if postParse is not None:
+                    try:
+                        pp_value = postParse(t, result)
+                        if pp_value is not None:
+                            if isinstance(pp_value, ParseResults):
+                                out.append(pp_value.dump())
+                            else:
+                                out.append(str(pp_value))
+                        else:
+                            out.append(result.dump())
+                    except Exception as e:
+                        out.append(result.dump(full=fullDump))
+                        out.append(
+                            "{} failed: {}: {}".format(
+                                postParse.__name__, type(e).__name__, e
+                            )
+                        )
+                else:
+                    out.append(result.dump(full=fullDump))
+            out.append("")
+
+            if printResults:
+                print_("\n".join(out))
+
+            allResults.append((t, result))
+
+        return success, allResults
+
+    def create_diagram(
+        self,
+        output_html: Union[TextIO, Path, str],
+        vertical: int = 3,
+        show_results_names: bool = False,
+        show_groups: bool = False,
+        **kwargs,
+    ) -> None:
+        """
+        Create a railroad diagram for the parser.
+
+        Parameters:
+        - output_html (str or file-like object) - output target for generated
+          diagram HTML
+        - vertical (int) - threshold for formatting multiple alternatives vertically
+          instead of horizontally (default=3)
+        - show_results_names - bool flag whether diagram should show annotations for
+          defined results names
+        - show_groups - bool flag whether groups should be highlighted with an unlabeled surrounding box
+        Additional diagram-formatting keyword arguments can also be included;
+        see railroad.Diagram class.
+        """
+
+        try:
+            from .diagram import to_railroad, railroad_to_html
+        except ImportError as ie:
+            raise Exception(
+                "must ``pip install pyparsing[diagrams]`` to generate parser railroad diagrams"
+            ) from ie
+
+        self.streamline()
+
+        railroad = to_railroad(
+            self,
+            vertical=vertical,
+            show_results_names=show_results_names,
+            show_groups=show_groups,
+            diagram_kwargs=kwargs,
+        )
+        if isinstance(output_html, (str, Path)):
+            with open(output_html, "w", encoding="utf-8") as diag_file:
+                diag_file.write(railroad_to_html(railroad))
+        else:
+            # we were passed a file-like object, just write to it
+            output_html.write(railroad_to_html(railroad))
+
+    setDefaultWhitespaceChars = set_default_whitespace_chars
+    inlineLiteralsUsing = inline_literals_using
+    setResultsName = set_results_name
+    setBreak = set_break
+    setParseAction = set_parse_action
+    addParseAction = add_parse_action
+    addCondition = add_condition
+    setFailAction = set_fail_action
+    tryParse = try_parse
+    canParseNext = can_parse_next
+    resetCache = reset_cache
+    enableLeftRecursion = enable_left_recursion
+    enablePackrat = enable_packrat
+    parseString = parse_string
+    scanString = scan_string
+    searchString = search_string
+    transformString = transform_string
+    setWhitespaceChars = set_whitespace_chars
+    parseWithTabs = parse_with_tabs
+    setDebugActions = set_debug_actions
+    setDebug = set_debug
+    defaultName = default_name
+    setName = set_name
+    parseFile = parse_file
+    runTests = run_tests
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class _PendingSkip(ParserElement):
+    # internal placeholder class to hold a place were '...' is added to a parser element,
+    # once another ParserElement is added, this placeholder will be replaced with a SkipTo
+    def __init__(self, expr: ParserElement, must_skip: bool = False):
+        super().__init__()
+        self.anchor = expr
+        self.must_skip = must_skip
+
+    def _generateDefaultName(self):
+        return str(self.anchor + Empty()).replace("Empty", "...")
+
+    def __add__(self, other) -> "ParserElement":
+        skipper = SkipTo(other).set_name("...")("_skipped*")
+        if self.must_skip:
+
+            def must_skip(t):
+                if not t._skipped or t._skipped.as_list() == [""]:
+                    del t[0]
+                    t.pop("_skipped", None)
+
+            def show_skip(t):
+                if t._skipped.as_list()[-1:] == [""]:
+                    t.pop("_skipped")
+                    t["_skipped"] = "missing <" + repr(self.anchor) + ">"
+
+            return (
+                self.anchor + skipper().add_parse_action(must_skip)
+                | skipper().add_parse_action(show_skip)
+            ) + other
+
+        return self.anchor + skipper + other
+
+    def __repr__(self):
+        return self.defaultName
+
+    def parseImpl(self, *args):
+        raise Exception(
+            "use of `...` expression without following SkipTo target expression"
+        )
+
+
+class Token(ParserElement):
+    """Abstract :class:`ParserElement` subclass, for defining atomic
+    matching patterns.
+    """
+
+    def __init__(self):
+        super().__init__(savelist=False)
+
+    def _generateDefaultName(self):
+        return type(self).__name__
+
+
+class Empty(Token):
+    """
+    An empty token, will always match.
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class NoMatch(Token):
+    """
+    A token that will never match.
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.errmsg = "Unmatchable token"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Literal(Token):
+    """
+    Token to exactly match a specified string.
+
+    Example::
+
+        Literal('blah').parse_string('blah')  # -> ['blah']
+        Literal('blah').parse_string('blahfooblah')  # -> ['blah']
+        Literal('blah').parse_string('bla')  # -> Exception: Expected "blah"
+
+    For case-insensitive matching, use :class:`CaselessLiteral`.
+
+    For keyword matching (force word break before and after the matched string),
+    use :class:`Keyword` or :class:`CaselessKeyword`.
+    """
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        super().__init__()
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        try:
+            self.firstMatchChar = match_string[0]
+        except IndexError:
+            raise ValueError("null string passed to Literal; use Empty() instead")
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+
+        # Performance tuning: modify __class__ to select
+        # a parseImpl optimized for single-character check
+        if self.matchLen == 1 and type(self) is Literal:
+            self.__class__ = _SingleCharLiteral
+
+    def _generateDefaultName(self):
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar and instring.startswith(
+            self.match, loc
+        ):
+            return loc + self.matchLen, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class _SingleCharLiteral(Literal):
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] == self.firstMatchChar:
+            return loc + 1, self.match
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+ParserElement._literalStringClass = Literal
+
+
+class Keyword(Token):
+    """
+    Token to exactly match a specified string as a keyword, that is,
+    it must be immediately followed by a non-keyword character.  Compare
+    with :class:`Literal`:
+
+    - ``Literal("if")`` will match the leading ``'if'`` in
+      ``'ifAndOnlyIf'``.
+    - ``Keyword("if")`` will not; it will only match the leading
+      ``'if'`` in ``'if x=1'``, or ``'if(y==2)'``
+
+    Accepts two optional constructor arguments in addition to the
+    keyword string:
+
+    - ``identChars`` is a string of characters that would be valid
+      identifier characters, defaulting to all alphanumerics + "_" and
+      "$"
+    - ``caseless`` allows case-insensitive matching, default is ``False``.
+
+    Example::
+
+        Keyword("start").parse_string("start")  # -> ['start']
+        Keyword("start").parse_string("starting")  # -> Exception
+
+    For case-insensitive matching, use :class:`CaselessKeyword`.
+    """
+
+    DEFAULT_KEYWORD_CHARS = alphanums + "_$"
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: typing.Optional[str] = None,
+        caseless: bool = False,
+        *,
+        matchString: str = "",
+        identChars: typing.Optional[str] = None,
+    ):
+        super().__init__()
+        identChars = identChars or ident_chars
+        if identChars is None:
+            identChars = Keyword.DEFAULT_KEYWORD_CHARS
+        match_string = matchString or match_string
+        self.match = match_string
+        self.matchLen = len(match_string)
+        try:
+            self.firstMatchChar = match_string[0]
+        except IndexError:
+            raise ValueError("null string passed to Keyword; use Empty() instead")
+        self.errmsg = "Expected {} {}".format(type(self).__name__, self.name)
+        self.mayReturnEmpty = False
+        self.mayIndexError = False
+        self.caseless = caseless
+        if caseless:
+            self.caselessmatch = match_string.upper()
+            identChars = identChars.upper()
+        self.identChars = set(identChars)
+
+    def _generateDefaultName(self):
+        return repr(self.match)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        errmsg = self.errmsg
+        errloc = loc
+        if self.caseless:
+            if instring[loc : loc + self.matchLen].upper() == self.caselessmatch:
+                if loc == 0 or instring[loc - 1].upper() not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen].upper() not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += ", was immediately followed by keyword character"
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        else:
+            if (
+                instring[loc] == self.firstMatchChar
+                and self.matchLen == 1
+                or instring.startswith(self.match, loc)
+            ):
+                if loc == 0 or instring[loc - 1] not in self.identChars:
+                    if (
+                        loc >= len(instring) - self.matchLen
+                        or instring[loc + self.matchLen] not in self.identChars
+                    ):
+                        return loc + self.matchLen, self.match
+                    else:
+                        # followed by keyword char
+                        errmsg += (
+                            ", keyword was immediately followed by keyword character"
+                        )
+                        errloc = loc + self.matchLen
+                else:
+                    # preceded by keyword char
+                    errmsg += ", keyword was immediately preceded by keyword character"
+                    errloc = loc - 1
+            # else no match just raise plain exception
+
+        raise ParseException(instring, errloc, errmsg, self)
+
+    @staticmethod
+    def set_default_keyword_chars(chars) -> None:
+        """
+        Overrides the default characters used by :class:`Keyword` expressions.
+        """
+        Keyword.DEFAULT_KEYWORD_CHARS = chars
+
+    setDefaultKeywordChars = set_default_keyword_chars
+
+
+class CaselessLiteral(Literal):
+    """
+    Token to match a specified string, ignoring case of letters.
+    Note: the matched results will always be in the case of the given
+    match string, NOT the case of the input text.
+
+    Example::
+
+        CaselessLiteral("CMD")[1, ...].parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessKeyword`.)
+    """
+
+    def __init__(self, match_string: str = "", *, matchString: str = ""):
+        match_string = matchString or match_string
+        super().__init__(match_string.upper())
+        # Preserve the defining literal.
+        self.returnString = match_string
+        self.errmsg = "Expected " + self.name
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc : loc + self.matchLen].upper() == self.match:
+            return loc + self.matchLen, self.returnString
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class CaselessKeyword(Keyword):
+    """
+    Caseless version of :class:`Keyword`.
+
+    Example::
+
+        CaselessKeyword("CMD")[1, ...].parse_string("cmd CMD Cmd10")
+        # -> ['CMD', 'CMD']
+
+    (Contrast with example for :class:`CaselessLiteral`.)
+    """
+
+    def __init__(
+        self,
+        match_string: str = "",
+        ident_chars: typing.Optional[str] = None,
+        *,
+        matchString: str = "",
+        identChars: typing.Optional[str] = None,
+    ):
+        identChars = identChars or ident_chars
+        match_string = matchString or match_string
+        super().__init__(match_string, identChars, caseless=True)
+
+
+class CloseMatch(Token):
+    """A variation on :class:`Literal` which matches "close" matches,
+    that is, strings with at most 'n' mismatching characters.
+    :class:`CloseMatch` takes parameters:
+
+    - ``match_string`` - string to be matched
+    - ``caseless`` - a boolean indicating whether to ignore casing when comparing characters
+    - ``max_mismatches`` - (``default=1``) maximum number of
+      mismatches allowed to count as a match
+
+    The results from a successful parse will contain the matched text
+    from the input string and the following named results:
+
+    - ``mismatches`` - a list of the positions within the
+      match_string where mismatches were found
+    - ``original`` - the original match_string used to compare
+      against the input string
+
+    If ``mismatches`` is an empty list, then the match was an exact
+    match.
+
+    Example::
+
+        patt = CloseMatch("ATCATCGAATGGA")
+        patt.parse_string("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']})
+        patt.parse_string("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1)
+
+        # exact match
+        patt.parse_string("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']})
+
+        # close match allowing up to 2 mismatches
+        patt = CloseMatch("ATCATCGAATGGA", max_mismatches=2)
+        patt.parse_string("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']})
+    """
+
+    def __init__(
+        self,
+        match_string: str,
+        max_mismatches: int = None,
+        *,
+        maxMismatches: int = 1,
+        caseless=False,
+    ):
+        maxMismatches = max_mismatches if max_mismatches is not None else maxMismatches
+        super().__init__()
+        self.match_string = match_string
+        self.maxMismatches = maxMismatches
+        self.errmsg = "Expected {!r} (with up to {} mismatches)".format(
+            self.match_string, self.maxMismatches
+        )
+        self.caseless = caseless
+        self.mayIndexError = False
+        self.mayReturnEmpty = False
+
+    def _generateDefaultName(self):
+        return "{}:{!r}".format(type(self).__name__, self.match_string)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        instrlen = len(instring)
+        maxloc = start + len(self.match_string)
+
+        if maxloc <= instrlen:
+            match_string = self.match_string
+            match_stringloc = 0
+            mismatches = []
+            maxMismatches = self.maxMismatches
+
+            for match_stringloc, s_m in enumerate(
+                zip(instring[loc:maxloc], match_string)
+            ):
+                src, mat = s_m
+                if self.caseless:
+                    src, mat = src.lower(), mat.lower()
+
+                if src != mat:
+                    mismatches.append(match_stringloc)
+                    if len(mismatches) > maxMismatches:
+                        break
+            else:
+                loc = start + match_stringloc + 1
+                results = ParseResults([instring[start:loc]])
+                results["original"] = match_string
+                results["mismatches"] = mismatches
+                return loc, results
+
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class Word(Token):
+    """Token for matching words composed of allowed character sets.
+    Parameters:
+    - ``init_chars`` - string of all characters that should be used to
+      match as a word; "ABC" will match "AAA", "ABAB", "CBAC", etc.;
+      if ``body_chars`` is also specified, then this is the string of
+      initial characters
+    - ``body_chars`` - string of characters that
+      can be used for matching after a matched initial character as
+      given in ``init_chars``; if omitted, same as the initial characters
+      (default=``None``)
+    - ``min`` - minimum number of characters to match (default=1)
+    - ``max`` - maximum number of characters to match (default=0)
+    - ``exact`` - exact number of characters to match (default=0)
+    - ``as_keyword`` - match as a keyword (default=``False``)
+    - ``exclude_chars`` - characters that might be
+      found in the input ``body_chars`` string but which should not be
+      accepted for matching ;useful to define a word of all
+      printables except for one or two characters, for instance
+      (default=``None``)
+
+    :class:`srange` is useful for defining custom character set strings
+    for defining :class:`Word` expressions, using range notation from
+    regular expression character sets.
+
+    A common mistake is to use :class:`Word` to match a specific literal
+    string, as in ``Word("Address")``. Remember that :class:`Word`
+    uses the string argument to define *sets* of matchable characters.
+    This expression would match "Add", "AAA", "dAred", or any other word
+    made up of the characters 'A', 'd', 'r', 'e', and 's'. To match an
+    exact literal string, use :class:`Literal` or :class:`Keyword`.
+
+    pyparsing includes helper strings for building Words:
+
+    - :class:`alphas`
+    - :class:`nums`
+    - :class:`alphanums`
+    - :class:`hexnums`
+    - :class:`alphas8bit` (alphabetic characters in ASCII range 128-255
+      - accented, tilded, umlauted, etc.)
+    - :class:`punc8bit` (non-alphabetic characters in ASCII range
+      128-255 - currency, symbols, superscripts, diacriticals, etc.)
+    - :class:`printables` (any non-whitespace character)
+
+    ``alphas``, ``nums``, and ``printables`` are also defined in several
+    Unicode sets - see :class:`pyparsing_unicode``.
+
+    Example::
+
+        # a word composed of digits
+        integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9"))
+
+        # a word with a leading capital, and zero or more lowercase
+        capital_word = Word(alphas.upper(), alphas.lower())
+
+        # hostnames are alphanumeric, with leading alpha, and '-'
+        hostname = Word(alphas, alphanums + '-')
+
+        # roman numeral (not a strict parser, accepts invalid mix of characters)
+        roman = Word("IVXLCDM")
+
+        # any string of non-whitespace characters, except for ','
+        csv_value = Word(printables, exclude_chars=",")
+    """
+
+    def __init__(
+        self,
+        init_chars: str = "",
+        body_chars: typing.Optional[str] = None,
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        as_keyword: bool = False,
+        exclude_chars: typing.Optional[str] = None,
+        *,
+        initChars: typing.Optional[str] = None,
+        bodyChars: typing.Optional[str] = None,
+        asKeyword: bool = False,
+        excludeChars: typing.Optional[str] = None,
+    ):
+        initChars = initChars or init_chars
+        bodyChars = bodyChars or body_chars
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__()
+        if not initChars:
+            raise ValueError(
+                "invalid {}, initChars cannot be empty string".format(
+                    type(self).__name__
+                )
+            )
+
+        initChars = set(initChars)
+        self.initChars = initChars
+        if excludeChars:
+            excludeChars = set(excludeChars)
+            initChars -= excludeChars
+            if bodyChars:
+                bodyChars = set(bodyChars) - excludeChars
+        self.initCharsOrig = "".join(sorted(initChars))
+
+        if bodyChars:
+            self.bodyCharsOrig = "".join(sorted(bodyChars))
+            self.bodyChars = set(bodyChars)
+        else:
+            self.bodyCharsOrig = "".join(sorted(initChars))
+            self.bodyChars = set(initChars)
+
+        self.maxSpecified = max > 0
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use Opt(Word()) if zero-length word is permitted"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asKeyword = asKeyword
+
+        # see if we can make a regex for this Word
+        if " " not in self.initChars | self.bodyChars and (min == 1 and exact == 0):
+            if self.bodyChars == self.initChars:
+                if max == 0:
+                    repeat = "+"
+                elif max == 1:
+                    repeat = ""
+                else:
+                    repeat = "{{{},{}}}".format(
+                        self.minLen, "" if self.maxLen == _MAX_INT else self.maxLen
+                    )
+                self.reString = "[{}]{}".format(
+                    _collapse_string_to_ranges(self.initChars),
+                    repeat,
+                )
+            elif len(self.initChars) == 1:
+                if max == 0:
+                    repeat = "*"
+                else:
+                    repeat = "{{0,{}}}".format(max - 1)
+                self.reString = "{}[{}]{}".format(
+                    re.escape(self.initCharsOrig),
+                    _collapse_string_to_ranges(self.bodyChars),
+                    repeat,
+                )
+            else:
+                if max == 0:
+                    repeat = "*"
+                elif max == 2:
+                    repeat = ""
+                else:
+                    repeat = "{{0,{}}}".format(max - 1)
+                self.reString = "[{}][{}]{}".format(
+                    _collapse_string_to_ranges(self.initChars),
+                    _collapse_string_to_ranges(self.bodyChars),
+                    repeat,
+                )
+            if self.asKeyword:
+                self.reString = r"\b" + self.reString + r"\b"
+
+            try:
+                self.re = re.compile(self.reString)
+            except re.error:
+                self.re = None
+            else:
+                self.re_match = self.re.match
+                self.__class__ = _WordRegex
+
+    def _generateDefaultName(self):
+        def charsAsStr(s):
+            max_repr_len = 16
+            s = _collapse_string_to_ranges(s, re_escape=False)
+            if len(s) > max_repr_len:
+                return s[: max_repr_len - 3] + "..."
+            else:
+                return s
+
+        if self.initChars != self.bodyChars:
+            base = "W:({}, {})".format(
+                charsAsStr(self.initChars), charsAsStr(self.bodyChars)
+            )
+        else:
+            base = "W:({})".format(charsAsStr(self.initChars))
+
+        # add length specification
+        if self.minLen > 1 or self.maxLen != _MAX_INT:
+            if self.minLen == self.maxLen:
+                if self.minLen == 1:
+                    return base[2:]
+                else:
+                    return base + "{{{}}}".format(self.minLen)
+            elif self.maxLen == _MAX_INT:
+                return base + "{{{},...}}".format(self.minLen)
+            else:
+                return base + "{{{},{}}}".format(self.minLen, self.maxLen)
+        return base
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.initChars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        instrlen = len(instring)
+        bodychars = self.bodyChars
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, instrlen)
+        while loc < maxloc and instring[loc] in bodychars:
+            loc += 1
+
+        throwException = False
+        if loc - start < self.minLen:
+            throwException = True
+        elif self.maxSpecified and loc < instrlen and instring[loc] in bodychars:
+            throwException = True
+        elif self.asKeyword:
+            if (
+                start > 0
+                and instring[start - 1] in bodychars
+                or loc < instrlen
+                and instring[loc] in bodychars
+            ):
+                throwException = True
+
+        if throwException:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class _WordRegex(Word):
+    def parseImpl(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        return loc, result.group()
+
+
+class Char(_WordRegex):
+    """A short-cut class for defining :class:`Word` ``(characters, exact=1)``,
+    when defining a match of any single character in a string of
+    characters.
+    """
+
+    def __init__(
+        self,
+        charset: str,
+        as_keyword: bool = False,
+        exclude_chars: typing.Optional[str] = None,
+        *,
+        asKeyword: bool = False,
+        excludeChars: typing.Optional[str] = None,
+    ):
+        asKeyword = asKeyword or as_keyword
+        excludeChars = excludeChars or exclude_chars
+        super().__init__(
+            charset, exact=1, asKeyword=asKeyword, excludeChars=excludeChars
+        )
+        self.reString = "[{}]".format(_collapse_string_to_ranges(self.initChars))
+        if asKeyword:
+            self.reString = r"\b{}\b".format(self.reString)
+        self.re = re.compile(self.reString)
+        self.re_match = self.re.match
+
+
+class Regex(Token):
+    r"""Token for matching strings that match a given regular
+    expression. Defined with string specifying the regular expression in
+    a form recognized by the stdlib Python  `re module <https://docs.python.org/3/library/re.html>`_.
+    If the given regex contains named groups (defined using ``(?P<name>...)``),
+    these will be preserved as named :class:`ParseResults`.
+
+    If instead of the Python stdlib ``re`` module you wish to use a different RE module
+    (such as the ``regex`` module), you can do so by building your ``Regex`` object with
+    a compiled RE that was compiled using ``regex``.
+
+    Example::
+
+        realnum = Regex(r"[+-]?\d+\.\d*")
+        # ref: https://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression
+        roman = Regex(r"M{0,4}(CM|CD|D?{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})")
+
+        # named fields in a regex will be returned as named results
+        date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)')
+
+        # the Regex class will accept re's compiled using the regex module
+        import regex
+        parser = pp.Regex(regex.compile(r'[0-9]'))
+    """
+
+    def __init__(
+        self,
+        pattern: Any,
+        flags: Union[re.RegexFlag, int] = 0,
+        as_group_list: bool = False,
+        as_match: bool = False,
+        *,
+        asGroupList: bool = False,
+        asMatch: bool = False,
+    ):
+        """The parameters ``pattern`` and ``flags`` are passed
+        to the ``re.compile()`` function as-is. See the Python
+        `re module <https://docs.python.org/3/library/re.html>`_ module for an
+        explanation of the acceptable patterns and flags.
+        """
+        super().__init__()
+        asGroupList = asGroupList or as_group_list
+        asMatch = asMatch or as_match
+
+        if isinstance(pattern, str_type):
+            if not pattern:
+                raise ValueError("null string passed to Regex; use Empty() instead")
+
+            self._re = None
+            self.reString = self.pattern = pattern
+            self.flags = flags
+
+        elif hasattr(pattern, "pattern") and hasattr(pattern, "match"):
+            self._re = pattern
+            self.pattern = self.reString = pattern.pattern
+            self.flags = flags
+
+        else:
+            raise TypeError(
+                "Regex may only be constructed with a string or a compiled RE object"
+            )
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.asGroupList = asGroupList
+        self.asMatch = asMatch
+        if self.asGroupList:
+            self.parseImpl = self.parseImplAsGroupList
+        if self.asMatch:
+            self.parseImpl = self.parseImplAsMatch
+
+    @cached_property
+    def re(self):
+        if self._re:
+            return self._re
+        else:
+            try:
+                return re.compile(self.pattern, self.flags)
+            except re.error:
+                raise ValueError(
+                    "invalid pattern ({!r}) passed to Regex".format(self.pattern)
+                )
+
+    @cached_property
+    def re_match(self):
+        return self.re.match
+
+    @cached_property
+    def mayReturnEmpty(self):
+        return self.re_match("") is not None
+
+    def _generateDefaultName(self):
+        return "Re:({})".format(repr(self.pattern).replace("\\\\", "\\"))
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = ParseResults(result.group())
+        d = result.groupdict()
+        if d:
+            for k, v in d.items():
+                ret[k] = v
+        return loc, ret
+
+    def parseImplAsGroupList(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.groups()
+        return loc, ret
+
+    def parseImplAsMatch(self, instring, loc, doActions=True):
+        result = self.re_match(instring, loc)
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result
+        return loc, ret
+
+    def sub(self, repl: str) -> ParserElement:
+        r"""
+        Return :class:`Regex` with an attached parse action to transform the parsed
+        result as if called using `re.sub(expr, repl, string) <https://docs.python.org/3/library/re.html#re.sub>`_.
+
+        Example::
+
+            make_html = Regex(r"(\w+):(.*?):").sub(r"<\1>\2</\1>")
+            print(make_html.transform_string("h1:main title:"))
+            # prints "<h1>main title</h1>"
+        """
+        if self.asGroupList:
+            raise TypeError("cannot use sub() with Regex(asGroupList=True)")
+
+        if self.asMatch and callable(repl):
+            raise TypeError("cannot use sub() with a callable with Regex(asMatch=True)")
+
+        if self.asMatch:
+
+            def pa(tokens):
+                return tokens[0].expand(repl)
+
+        else:
+
+            def pa(tokens):
+                return self.re.sub(repl, tokens[0])
+
+        return self.add_parse_action(pa)
+
+
+class QuotedString(Token):
+    r"""
+    Token for matching strings that are delimited by quoting characters.
+
+    Defined with the following parameters:
+
+    - ``quote_char`` - string of one or more characters defining the
+      quote delimiting string
+    - ``esc_char`` - character to re_escape quotes, typically backslash
+      (default= ``None``)
+    - ``esc_quote`` - special quote sequence to re_escape an embedded quote
+      string (such as SQL's ``""`` to re_escape an embedded ``"``)
+      (default= ``None``)
+    - ``multiline`` - boolean indicating whether quotes can span
+      multiple lines (default= ``False``)
+    - ``unquote_results`` - boolean indicating whether the matched text
+      should be unquoted (default= ``True``)
+    - ``end_quote_char`` - string of one or more characters defining the
+      end of the quote delimited string (default= ``None``  => same as
+      quote_char)
+    - ``convert_whitespace_escapes`` - convert escaped whitespace
+      (``'\t'``, ``'\n'``, etc.) to actual whitespace
+      (default= ``True``)
+
+    Example::
+
+        qs = QuotedString('"')
+        print(qs.search_string('lsjdf "This is the quote" sldjf'))
+        complex_qs = QuotedString('{{', end_quote_char='}}')
+        print(complex_qs.search_string('lsjdf {{This is the "quote"}} sldjf'))
+        sql_qs = QuotedString('"', esc_quote='""')
+        print(sql_qs.search_string('lsjdf "This is the quote with ""embedded"" quotes" sldjf'))
+
+    prints::
+
+        [['This is the quote']]
+        [['This is the "quote"']]
+        [['This is the quote with "embedded" quotes']]
+    """
+    ws_map = ((r"\t", "\t"), (r"\n", "\n"), (r"\f", "\f"), (r"\r", "\r"))
+
+    def __init__(
+        self,
+        quote_char: str = "",
+        esc_char: typing.Optional[str] = None,
+        esc_quote: typing.Optional[str] = None,
+        multiline: bool = False,
+        unquote_results: bool = True,
+        end_quote_char: typing.Optional[str] = None,
+        convert_whitespace_escapes: bool = True,
+        *,
+        quoteChar: str = "",
+        escChar: typing.Optional[str] = None,
+        escQuote: typing.Optional[str] = None,
+        unquoteResults: bool = True,
+        endQuoteChar: typing.Optional[str] = None,
+        convertWhitespaceEscapes: bool = True,
+    ):
+        super().__init__()
+        escChar = escChar or esc_char
+        escQuote = escQuote or esc_quote
+        unquoteResults = unquoteResults and unquote_results
+        endQuoteChar = endQuoteChar or end_quote_char
+        convertWhitespaceEscapes = (
+            convertWhitespaceEscapes and convert_whitespace_escapes
+        )
+        quote_char = quoteChar or quote_char
+
+        # remove white space from quote chars - wont work anyway
+        quote_char = quote_char.strip()
+        if not quote_char:
+            raise ValueError("quote_char cannot be the empty string")
+
+        if endQuoteChar is None:
+            endQuoteChar = quote_char
+        else:
+            endQuoteChar = endQuoteChar.strip()
+            if not endQuoteChar:
+                raise ValueError("endQuoteChar cannot be the empty string")
+
+        self.quoteChar = quote_char
+        self.quoteCharLen = len(quote_char)
+        self.firstQuoteChar = quote_char[0]
+        self.endQuoteChar = endQuoteChar
+        self.endQuoteCharLen = len(endQuoteChar)
+        self.escChar = escChar
+        self.escQuote = escQuote
+        self.unquoteResults = unquoteResults
+        self.convertWhitespaceEscapes = convertWhitespaceEscapes
+
+        sep = ""
+        inner_pattern = ""
+
+        if escQuote:
+            inner_pattern += r"{}(?:{})".format(sep, re.escape(escQuote))
+            sep = "|"
+
+        if escChar:
+            inner_pattern += r"{}(?:{}.)".format(sep, re.escape(escChar))
+            sep = "|"
+            self.escCharReplacePattern = re.escape(self.escChar) + "(.)"
+
+        if len(self.endQuoteChar) > 1:
+            inner_pattern += (
+                "{}(?:".format(sep)
+                + "|".join(
+                    "(?:{}(?!{}))".format(
+                        re.escape(self.endQuoteChar[:i]),
+                        re.escape(self.endQuoteChar[i:]),
+                    )
+                    for i in range(len(self.endQuoteChar) - 1, 0, -1)
+                )
+                + ")"
+            )
+            sep = "|"
+
+        if multiline:
+            self.flags = re.MULTILINE | re.DOTALL
+            inner_pattern += r"{}(?:[^{}{}])".format(
+                sep,
+                _escape_regex_range_chars(self.endQuoteChar[0]),
+                (_escape_regex_range_chars(escChar) if escChar is not None else ""),
+            )
+        else:
+            self.flags = 0
+            inner_pattern += r"{}(?:[^{}\n\r{}])".format(
+                sep,
+                _escape_regex_range_chars(self.endQuoteChar[0]),
+                (_escape_regex_range_chars(escChar) if escChar is not None else ""),
+            )
+
+        self.pattern = "".join(
+            [
+                re.escape(self.quoteChar),
+                "(?:",
+                inner_pattern,
+                ")*",
+                re.escape(self.endQuoteChar),
+            ]
+        )
+
+        try:
+            self.re = re.compile(self.pattern, self.flags)
+            self.reString = self.pattern
+            self.re_match = self.re.match
+        except re.error:
+            raise ValueError(
+                "invalid pattern {!r} passed to Regex".format(self.pattern)
+            )
+
+        self.errmsg = "Expected " + self.name
+        self.mayIndexError = False
+        self.mayReturnEmpty = True
+
+    def _generateDefaultName(self):
+        if self.quoteChar == self.endQuoteChar and isinstance(self.quoteChar, str_type):
+            return "string enclosed in {!r}".format(self.quoteChar)
+
+        return "quoted string, starting with {} ending with {}".format(
+            self.quoteChar, self.endQuoteChar
+        )
+
+    def parseImpl(self, instring, loc, doActions=True):
+        result = (
+            instring[loc] == self.firstQuoteChar
+            and self.re_match(instring, loc)
+            or None
+        )
+        if not result:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        loc = result.end()
+        ret = result.group()
+
+        if self.unquoteResults:
+
+            # strip off quotes
+            ret = ret[self.quoteCharLen : -self.endQuoteCharLen]
+
+            if isinstance(ret, str_type):
+                # replace escaped whitespace
+                if "\\" in ret and self.convertWhitespaceEscapes:
+                    for wslit, wschar in self.ws_map:
+                        ret = ret.replace(wslit, wschar)
+
+                # replace escaped characters
+                if self.escChar:
+                    ret = re.sub(self.escCharReplacePattern, r"\g<1>", ret)
+
+                # replace escaped quotes
+                if self.escQuote:
+                    ret = ret.replace(self.escQuote, self.endQuoteChar)
+
+        return loc, ret
+
+
+class CharsNotIn(Token):
+    """Token for matching words composed of characters *not* in a given
+    set (will include whitespace in matched characters if not listed in
+    the provided exclusion set - see example). Defined with string
+    containing all disallowed characters, and an optional minimum,
+    maximum, and/or exact length.  The default value for ``min`` is
+    1 (a minimum value < 1 is not valid); the default values for
+    ``max`` and ``exact`` are 0, meaning no maximum or exact
+    length restriction.
+
+    Example::
+
+        # define a comma-separated-value as anything that is not a ','
+        csv_value = CharsNotIn(',')
+        print(delimited_list(csv_value).parse_string("dkls,lsdkjf,s12 34,@!#,213"))
+
+    prints::
+
+        ['dkls', 'lsdkjf', 's12 34', '@!#', '213']
+    """
+
+    def __init__(
+        self,
+        not_chars: str = "",
+        min: int = 1,
+        max: int = 0,
+        exact: int = 0,
+        *,
+        notChars: str = "",
+    ):
+        super().__init__()
+        self.skipWhitespace = False
+        self.notChars = not_chars or notChars
+        self.notCharsSet = set(self.notChars)
+
+        if min < 1:
+            raise ValueError(
+                "cannot specify a minimum length < 1; use "
+                "Opt(CharsNotIn()) if zero-length char group is permitted"
+            )
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+        self.errmsg = "Expected " + self.name
+        self.mayReturnEmpty = self.minLen == 0
+        self.mayIndexError = False
+
+    def _generateDefaultName(self):
+        not_chars_str = _collapse_string_to_ranges(self.notChars)
+        if len(not_chars_str) > 16:
+            return "!W:({}...)".format(self.notChars[: 16 - 3])
+        else:
+            return "!W:({})".format(self.notChars)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        notchars = self.notCharsSet
+        if instring[loc] in notchars:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        start = loc
+        loc += 1
+        maxlen = min(start + self.maxLen, len(instring))
+        while loc < maxlen and instring[loc] not in notchars:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class White(Token):
+    """Special matching class for matching whitespace.  Normally,
+    whitespace is ignored by pyparsing grammars.  This class is included
+    when some whitespace structures are significant.  Define with
+    a string containing the whitespace characters to be matched; default
+    is ``" \\t\\r\\n"``.  Also takes optional ``min``,
+    ``max``, and ``exact`` arguments, as defined for the
+    :class:`Word` class.
+    """
+
+    whiteStrs = {
+        " ": "<SP>",
+        "\t": "<TAB>",
+        "\n": "<LF>",
+        "\r": "<CR>",
+        "\f": "<FF>",
+        "\u00A0": "<NBSP>",
+        "\u1680": "<OGHAM_SPACE_MARK>",
+        "\u180E": "<MONGOLIAN_VOWEL_SEPARATOR>",
+        "\u2000": "<EN_QUAD>",
+        "\u2001": "<EM_QUAD>",
+        "\u2002": "<EN_SPACE>",
+        "\u2003": "<EM_SPACE>",
+        "\u2004": "<THREE-PER-EM_SPACE>",
+        "\u2005": "<FOUR-PER-EM_SPACE>",
+        "\u2006": "<SIX-PER-EM_SPACE>",
+        "\u2007": "<FIGURE_SPACE>",
+        "\u2008": "<PUNCTUATION_SPACE>",
+        "\u2009": "<THIN_SPACE>",
+        "\u200A": "<HAIR_SPACE>",
+        "\u200B": "<ZERO_WIDTH_SPACE>",
+        "\u202F": "<NNBSP>",
+        "\u205F": "<MMSP>",
+        "\u3000": "<IDEOGRAPHIC_SPACE>",
+    }
+
+    def __init__(self, ws: str = " \t\r\n", min: int = 1, max: int = 0, exact: int = 0):
+        super().__init__()
+        self.matchWhite = ws
+        self.set_whitespace_chars(
+            "".join(c for c in self.whiteStrs if c not in self.matchWhite),
+            copy_defaults=True,
+        )
+        # self.leave_whitespace()
+        self.mayReturnEmpty = True
+        self.errmsg = "Expected " + self.name
+
+        self.minLen = min
+
+        if max > 0:
+            self.maxLen = max
+        else:
+            self.maxLen = _MAX_INT
+
+        if exact > 0:
+            self.maxLen = exact
+            self.minLen = exact
+
+    def _generateDefaultName(self):
+        return "".join(White.whiteStrs[c] for c in self.matchWhite)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if instring[loc] not in self.matchWhite:
+            raise ParseException(instring, loc, self.errmsg, self)
+        start = loc
+        loc += 1
+        maxloc = start + self.maxLen
+        maxloc = min(maxloc, len(instring))
+        while loc < maxloc and instring[loc] in self.matchWhite:
+            loc += 1
+
+        if loc - start < self.minLen:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        return loc, instring[start:loc]
+
+
+class PositionToken(Token):
+    def __init__(self):
+        super().__init__()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+
+
+class GoToColumn(PositionToken):
+    """Token to advance to a specific column of input text; useful for
+    tabular report scraping.
+    """
+
+    def __init__(self, colno: int):
+        super().__init__()
+        self.col = colno
+
+    def preParse(self, instring, loc):
+        if col(loc, instring) != self.col:
+            instrlen = len(instring)
+            if self.ignoreExprs:
+                loc = self._skipIgnorables(instring, loc)
+            while (
+                loc < instrlen
+                and instring[loc].isspace()
+                and col(loc, instring) != self.col
+            ):
+                loc += 1
+        return loc
+
+    def parseImpl(self, instring, loc, doActions=True):
+        thiscol = col(loc, instring)
+        if thiscol > self.col:
+            raise ParseException(instring, loc, "Text not in expected column", self)
+        newloc = loc + self.col - thiscol
+        ret = instring[loc:newloc]
+        return newloc, ret
+
+
+class LineStart(PositionToken):
+    r"""Matches if current position is at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (LineStart() + 'AAA' + restOfLine).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.leave_whitespace()
+        self.orig_whiteChars = set() | self.whiteChars
+        self.whiteChars.discard("\n")
+        self.skipper = Empty().set_whitespace_chars(self.whiteChars)
+        self.errmsg = "Expected start of line"
+
+    def preParse(self, instring, loc):
+        if loc == 0:
+            return loc
+        else:
+            ret = self.skipper.preParse(instring, loc)
+            if "\n" in self.orig_whiteChars:
+                while instring[ret : ret + 1] == "\n":
+                    ret = self.skipper.preParse(instring, ret + 1)
+            return ret
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) == 1:
+            return loc, []
+        raise ParseException(instring, loc, self.errmsg, self)
+
+
+class LineEnd(PositionToken):
+    """Matches if current position is at the end of a line within the
+    parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.whiteChars.discard("\n")
+        self.set_whitespace_chars(self.whiteChars, copy_defaults=False)
+        self.errmsg = "Expected end of line"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            if instring[loc] == "\n":
+                return loc + 1, "\n"
+            else:
+                raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class StringStart(PositionToken):
+    """Matches if current position is at the beginning of the parse
+    string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected start of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            # see if entire string up to here is just whitespace and ignoreables
+            if loc != self.preParse(instring, 0):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class StringEnd(PositionToken):
+    """
+    Matches if current position is at the end of the parse string
+    """
+
+    def __init__(self):
+        super().__init__()
+        self.errmsg = "Expected end of text"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc < len(instring):
+            raise ParseException(instring, loc, self.errmsg, self)
+        elif loc == len(instring):
+            return loc + 1, []
+        elif loc > len(instring):
+            return loc, []
+        else:
+            raise ParseException(instring, loc, self.errmsg, self)
+
+
+class WordStart(PositionToken):
+    """Matches if the current position is at the beginning of a
+    :class:`Word`, and is not preceded by any character in a given
+    set of ``word_chars`` (default= ``printables``). To emulate the
+    ``\b`` behavior of regular expressions, use
+    ``WordStart(alphanums)``. ``WordStart`` will also match at
+    the beginning of the string being parsed, or at the beginning of
+    a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.errmsg = "Not at the start of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            if (
+                instring[loc - 1] in self.wordChars
+                or instring[loc] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class WordEnd(PositionToken):
+    """Matches if the current position is at the end of a :class:`Word`,
+    and is not followed by any character in a given set of ``word_chars``
+    (default= ``printables``). To emulate the ``\b`` behavior of
+    regular expressions, use ``WordEnd(alphanums)``. ``WordEnd``
+    will also match at the end of the string being parsed, or at the end
+    of a line.
+    """
+
+    def __init__(self, word_chars: str = printables, *, wordChars: str = printables):
+        wordChars = word_chars if wordChars == printables else wordChars
+        super().__init__()
+        self.wordChars = set(wordChars)
+        self.skipWhitespace = False
+        self.errmsg = "Not at the end of a word"
+
+    def parseImpl(self, instring, loc, doActions=True):
+        instrlen = len(instring)
+        if instrlen > 0 and loc < instrlen:
+            if (
+                instring[loc] in self.wordChars
+                or instring[loc - 1] not in self.wordChars
+            ):
+                raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+
+class ParseExpression(ParserElement):
+    """Abstract subclass of ParserElement, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(savelist)
+        self.exprs: List[ParserElement]
+        if isinstance(exprs, _generatorType):
+            exprs = list(exprs)
+
+        if isinstance(exprs, str_type):
+            self.exprs = [self._literalStringClass(exprs)]
+        elif isinstance(exprs, ParserElement):
+            self.exprs = [exprs]
+        elif isinstance(exprs, Iterable):
+            exprs = list(exprs)
+            # if sequence of strings provided, wrap with Literal
+            if any(isinstance(expr, str_type) for expr in exprs):
+                exprs = (
+                    self._literalStringClass(e) if isinstance(e, str_type) else e
+                    for e in exprs
+                )
+            self.exprs = list(exprs)
+        else:
+            try:
+                self.exprs = list(exprs)
+            except TypeError:
+                self.exprs = [exprs]
+        self.callPreparse = False
+
+    def recurse(self) -> Sequence[ParserElement]:
+        return self.exprs[:]
+
+    def append(self, other) -> ParserElement:
+        self.exprs.append(other)
+        self._defaultName = None
+        return self
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``leave_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        """
+        Extends ``ignore_whitespace`` defined in base class, and also invokes ``leave_whitespace`` on
+           all contained expressions.
+        """
+        super().ignore_whitespace(recursive)
+        if recursive:
+            self.exprs = [e.copy() for e in self.exprs]
+            for e in self.exprs:
+                e.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                for e in self.exprs:
+                    e.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            for e in self.exprs:
+                e.ignore(self.ignoreExprs[-1])
+        return self
+
+    def _generateDefaultName(self):
+        return "{}:({})".format(self.__class__.__name__, str(self.exprs))
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+
+        for e in self.exprs:
+            e.streamline()
+
+        # collapse nested :class:`And`'s of the form ``And(And(And(a, b), c), d)`` to ``And(a, b, c, d)``
+        # but only if there are no parse actions or resultsNames on the nested And's
+        # (likewise for :class:`Or`'s and :class:`MatchFirst`'s)
+        if len(self.exprs) == 2:
+            other = self.exprs[0]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = other.exprs[:] + [self.exprs[1]]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+            other = self.exprs[-1]
+            if (
+                isinstance(other, self.__class__)
+                and not other.parseAction
+                and other.resultsName is None
+                and not other.debug
+            ):
+                self.exprs = self.exprs[:-1] + other.exprs[:]
+                self._defaultName = None
+                self.mayReturnEmpty |= other.mayReturnEmpty
+                self.mayIndexError |= other.mayIndexError
+
+        self.errmsg = "Expected " + str(self)
+
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        tmp = (validateTrace if validateTrace is not None else [])[:] + [self]
+        for e in self.exprs:
+            e.validate(tmp)
+        self._checkRecursion([])
+
+    def copy(self) -> ParserElement:
+        ret = super().copy()
+        ret.exprs = [e.copy() for e in self.exprs]
+        return ret
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in self.exprs:
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class And(ParseExpression):
+    """
+    Requires all given :class:`ParseExpression` s to be found in the given order.
+    Expressions may be separated by whitespace.
+    May be constructed using the ``'+'`` operator.
+    May also be constructed using the ``'-'`` operator, which will
+    suppress backtracking.
+
+    Example::
+
+        integer = Word(nums)
+        name_expr = Word(alphas)[1, ...]
+
+        expr = And([integer("id"), name_expr("name"), integer("age")])
+        # more easily written as:
+        expr = integer("id") + name_expr("name") + integer("age")
+    """
+
+    class _ErrorStop(Empty):
+        def __init__(self, *args, **kwargs):
+            super().__init__(*args, **kwargs)
+            self.leave_whitespace()
+
+        def _generateDefaultName(self):
+            return "-"
+
+    def __init__(
+        self, exprs_arg: typing.Iterable[ParserElement], savelist: bool = True
+    ):
+        exprs: List[ParserElement] = list(exprs_arg)
+        if exprs and Ellipsis in exprs:
+            tmp = []
+            for i, expr in enumerate(exprs):
+                if expr is Ellipsis:
+                    if i < len(exprs) - 1:
+                        skipto_arg: ParserElement = (Empty() + exprs[i + 1]).exprs[-1]
+                        tmp.append(SkipTo(skipto_arg)("_skipped*"))
+                    else:
+                        raise Exception(
+                            "cannot construct And with sequence ending in ..."
+                        )
+                else:
+                    tmp.append(expr)
+            exprs[:] = tmp
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+            if not isinstance(self.exprs[0], White):
+                self.set_whitespace_chars(
+                    self.exprs[0].whiteChars,
+                    copy_defaults=self.exprs[0].copyDefaultWhiteChars,
+                )
+                self.skipWhitespace = self.exprs[0].skipWhitespace
+            else:
+                self.skipWhitespace = False
+        else:
+            self.mayReturnEmpty = True
+        self.callPreparse = True
+
+    def streamline(self) -> ParserElement:
+        # collapse any _PendingSkip's
+        if self.exprs:
+            if any(
+                isinstance(e, ParseExpression)
+                and e.exprs
+                and isinstance(e.exprs[-1], _PendingSkip)
+                for e in self.exprs[:-1]
+            ):
+                for i, e in enumerate(self.exprs[:-1]):
+                    if e is None:
+                        continue
+                    if (
+                        isinstance(e, ParseExpression)
+                        and e.exprs
+                        and isinstance(e.exprs[-1], _PendingSkip)
+                    ):
+                        e.exprs[-1] = e.exprs[-1] + self.exprs[i + 1]
+                        self.exprs[i + 1] = None
+                self.exprs = [e for e in self.exprs if e is not None]
+
+        super().streamline()
+
+        # link any IndentedBlocks to the prior expression
+        for prev, cur in zip(self.exprs, self.exprs[1:]):
+            # traverse cur or any first embedded expr of cur looking for an IndentedBlock
+            # (but watch out for recursive grammar)
+            seen = set()
+            while cur:
+                if id(cur) in seen:
+                    break
+                seen.add(id(cur))
+                if isinstance(cur, IndentedBlock):
+                    prev.add_parse_action(
+                        lambda s, l, t, cur_=cur: setattr(
+                            cur_, "parent_anchor", col(l, s)
+                        )
+                    )
+                    break
+                subs = cur.recurse()
+                cur = next(iter(subs), None)
+
+        self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # pass False as callPreParse arg to _parse for first element, since we already
+        # pre-parsed the string as part of our And pre-parsing
+        loc, resultlist = self.exprs[0]._parse(
+            instring, loc, doActions, callPreParse=False
+        )
+        errorStop = False
+        for e in self.exprs[1:]:
+            # if isinstance(e, And._ErrorStop):
+            if type(e) is And._ErrorStop:
+                errorStop = True
+                continue
+            if errorStop:
+                try:
+                    loc, exprtokens = e._parse(instring, loc, doActions)
+                except ParseSyntaxException:
+                    raise
+                except ParseBaseException as pe:
+                    pe.__traceback__ = None
+                    raise ParseSyntaxException._from_exception(pe)
+                except IndexError:
+                    raise ParseSyntaxException(
+                        instring, len(instring), self.errmsg, self
+                    )
+            else:
+                loc, exprtokens = e._parse(instring, loc, doActions)
+            if exprtokens or exprtokens.haskeys():
+                resultlist += exprtokens
+        return loc, resultlist
+
+    def __iadd__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # And([self, other])
+
+    def _checkRecursion(self, parseElementList):
+        subRecCheckList = parseElementList[:] + [self]
+        for e in self.exprs:
+            e._checkRecursion(subRecCheckList)
+            if not e.mayReturnEmpty:
+                break
+
+    def _generateDefaultName(self):
+        inner = " ".join(str(e) for e in self.exprs)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "{" + inner + "}"
+
+
+class Or(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    two expressions match, the expression that matches the longest
+    string will be used. May be constructed using the ``'^'``
+    operator.
+
+    Example::
+
+        # construct Or using '^' operator
+
+        number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789"))
+
+    prints::
+
+        [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+        matches = []
+        fatals = []
+        if all(e.callPreparse for e in self.exprs):
+            loc = self.preParse(instring, loc)
+        for e in self.exprs:
+            try:
+                loc2 = e.try_parse(instring, loc, raise_fatal=True)
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parserElement = e
+                fatals.append(pfe)
+                maxException = None
+                maxExcLoc = -1
+            except ParseException as err:
+                if not fatals:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+            else:
+                # save match among all matches, to retry longest to shortest
+                matches.append((loc2, e))
+
+        if matches:
+            # re-evaluate all matches in descending order of length of match, in case attached actions
+            # might change whether or how much they match of the input.
+            matches.sort(key=itemgetter(0), reverse=True)
+
+            if not doActions:
+                # no further conditions or parse actions to change the selection of
+                # alternative, so the first match will be the best match
+                best_expr = matches[0][1]
+                return best_expr._parse(instring, loc, doActions)
+
+            longest = -1, None
+            for loc1, expr1 in matches:
+                if loc1 <= longest[0]:
+                    # already have a longer match than this one will deliver, we are done
+                    return longest
+
+                try:
+                    loc2, toks = expr1._parse(instring, loc, doActions)
+                except ParseException as err:
+                    err.__traceback__ = None
+                    if err.loc > maxExcLoc:
+                        maxException = err
+                        maxExcLoc = err.loc
+                else:
+                    if loc2 >= loc1:
+                        return loc2, toks
+                    # didn't match as much as before
+                    elif loc2 > longest[0]:
+                        longest = loc2, toks
+
+            if longest != (-1, None):
+                return longest
+
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parserElement))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if maxException is not None:
+            maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ixor__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # Or([self, other])
+
+    def _generateDefaultName(self):
+        return "{" + " ^ ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class MatchFirst(ParseExpression):
+    """Requires that at least one :class:`ParseExpression` is found. If
+    more than one expression matches, the first one listed is the one that will
+    match. May be constructed using the ``'|'`` operator.
+
+    Example::
+
+        # construct MatchFirst using '|' operator
+
+        # watch the order of expressions to match
+        number = Word(nums) | Combine(Word(nums) + '.' + Word(nums))
+        print(number.search_string("123 3.1416 789")) #  Fail! -> [['123'], ['3'], ['1416'], ['789']]
+
+        # put more selective expression first
+        number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums)
+        print(number.search_string("123 3.1416 789")) #  Better -> [['123'], ['3.1416'], ['789']]
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = False):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(e.skipWhitespace for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+
+    def streamline(self) -> ParserElement:
+        if self.streamlined:
+            return self
+
+        super().streamline()
+        if self.exprs:
+            self.saveAsList = any(e.saveAsList for e in self.exprs)
+            self.mayReturnEmpty = any(e.mayReturnEmpty for e in self.exprs)
+            self.skipWhitespace = all(
+                e.skipWhitespace and not isinstance(e, White) for e in self.exprs
+            )
+        else:
+            self.saveAsList = False
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        maxExcLoc = -1
+        maxException = None
+
+        for e in self.exprs:
+            try:
+                return e._parse(
+                    instring,
+                    loc,
+                    doActions,
+                )
+            except ParseFatalException as pfe:
+                pfe.__traceback__ = None
+                pfe.parserElement = e
+                raise
+            except ParseException as err:
+                if err.loc > maxExcLoc:
+                    maxException = err
+                    maxExcLoc = err.loc
+            except IndexError:
+                if len(instring) > maxExcLoc:
+                    maxException = ParseException(
+                        instring, len(instring), e.errmsg, self
+                    )
+                    maxExcLoc = len(instring)
+
+        if maxException is not None:
+            maxException.msg = self.errmsg
+            raise maxException
+        else:
+            raise ParseException(
+                instring, loc, "no defined alternatives to match", self
+            )
+
+    def __ior__(self, other):
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        return self.append(other)  # MatchFirst([self, other])
+
+    def _generateDefaultName(self):
+        return "{" + " | ".join(str(e) for e in self.exprs) + "}"
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_multiple_tokens_in_named_alternation
+            and Diagnostics.warn_multiple_tokens_in_named_alternation
+            not in self.suppress_warnings_
+        ):
+            if any(
+                isinstance(e, And)
+                and Diagnostics.warn_multiple_tokens_in_named_alternation
+                not in e.suppress_warnings_
+                for e in self.exprs
+            ):
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "will return a list of all parsed tokens in an And alternative, "
+                    "in prior versions only the first token was returned; enclose "
+                    "contained argument in Group".format(
+                        "warn_multiple_tokens_in_named_alternation",
+                        name,
+                        type(self).__name__,
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class Each(ParseExpression):
+    """Requires all given :class:`ParseExpression` s to be found, but in
+    any order. Expressions may be separated by whitespace.
+
+    May be constructed using the ``'&'`` operator.
+
+    Example::
+
+        color = one_of("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN")
+        shape_type = one_of("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON")
+        integer = Word(nums)
+        shape_attr = "shape:" + shape_type("shape")
+        posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn")
+        color_attr = "color:" + color("color")
+        size_attr = "size:" + integer("size")
+
+        # use Each (using operator '&') to accept attributes in any order
+        # (shape and posn are required, color and size are optional)
+        shape_spec = shape_attr & posn_attr & Opt(color_attr) & Opt(size_attr)
+
+        shape_spec.run_tests('''
+            shape: SQUARE color: BLACK posn: 100, 120
+            shape: CIRCLE size: 50 color: BLUE posn: 50,80
+            color:GREEN size:20 shape:TRIANGLE posn:20,40
+            '''
+            )
+
+    prints::
+
+        shape: SQUARE color: BLACK posn: 100, 120
+        ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']]
+        - color: BLACK
+        - posn: ['100', ',', '120']
+          - x: 100
+          - y: 120
+        - shape: SQUARE
+
+
+        shape: CIRCLE size: 50 color: BLUE posn: 50,80
+        ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']]
+        - color: BLUE
+        - posn: ['50', ',', '80']
+          - x: 50
+          - y: 80
+        - shape: CIRCLE
+        - size: 50
+
+
+        color: GREEN size: 20 shape: TRIANGLE posn: 20,40
+        ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']]
+        - color: GREEN
+        - posn: ['20', ',', '40']
+          - x: 20
+          - y: 40
+        - shape: TRIANGLE
+        - size: 20
+    """
+
+    def __init__(self, exprs: typing.Iterable[ParserElement], savelist: bool = True):
+        super().__init__(exprs, savelist)
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        self.skipWhitespace = True
+        self.initExprGroups = True
+        self.saveAsList = True
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.exprs:
+            self.mayReturnEmpty = all(e.mayReturnEmpty for e in self.exprs)
+        else:
+            self.mayReturnEmpty = True
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.initExprGroups:
+            self.opt1map = dict(
+                (id(e.expr), e) for e in self.exprs if isinstance(e, Opt)
+            )
+            opt1 = [e.expr for e in self.exprs if isinstance(e, Opt)]
+            opt2 = [
+                e
+                for e in self.exprs
+                if e.mayReturnEmpty and not isinstance(e, (Opt, Regex, ZeroOrMore))
+            ]
+            self.optionals = opt1 + opt2
+            self.multioptionals = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, _MultipleMatch)
+            ]
+            self.multirequired = [
+                e.expr.set_results_name(e.resultsName, list_all_matches=True)
+                for e in self.exprs
+                if isinstance(e, OneOrMore)
+            ]
+            self.required = [
+                e for e in self.exprs if not isinstance(e, (Opt, ZeroOrMore, OneOrMore))
+            ]
+            self.required += self.multirequired
+            self.initExprGroups = False
+
+        tmpLoc = loc
+        tmpReqd = self.required[:]
+        tmpOpt = self.optionals[:]
+        multis = self.multioptionals[:]
+        matchOrder = []
+
+        keepMatching = True
+        failed = []
+        fatals = []
+        while keepMatching:
+            tmpExprs = tmpReqd + tmpOpt + multis
+            failed.clear()
+            fatals.clear()
+            for e in tmpExprs:
+                try:
+                    tmpLoc = e.try_parse(instring, tmpLoc, raise_fatal=True)
+                except ParseFatalException as pfe:
+                    pfe.__traceback__ = None
+                    pfe.parserElement = e
+                    fatals.append(pfe)
+                    failed.append(e)
+                except ParseException:
+                    failed.append(e)
+                else:
+                    matchOrder.append(self.opt1map.get(id(e), e))
+                    if e in tmpReqd:
+                        tmpReqd.remove(e)
+                    elif e in tmpOpt:
+                        tmpOpt.remove(e)
+            if len(failed) == len(tmpExprs):
+                keepMatching = False
+
+        # look for any ParseFatalExceptions
+        if fatals:
+            if len(fatals) > 1:
+                fatals.sort(key=lambda e: -e.loc)
+                if fatals[0].loc == fatals[1].loc:
+                    fatals.sort(key=lambda e: (-e.loc, -len(str(e.parserElement))))
+            max_fatal = fatals[0]
+            raise max_fatal
+
+        if tmpReqd:
+            missing = ", ".join([str(e) for e in tmpReqd])
+            raise ParseException(
+                instring,
+                loc,
+                "Missing one or more required elements ({})".format(missing),
+            )
+
+        # add any unmatched Opts, in case they have default values defined
+        matchOrder += [e for e in self.exprs if isinstance(e, Opt) and e.expr in tmpOpt]
+
+        total_results = ParseResults([])
+        for e in matchOrder:
+            loc, results = e._parse(instring, loc, doActions)
+            total_results += results
+
+        return loc, total_results
+
+    def _generateDefaultName(self):
+        return "{" + " & ".join(str(e) for e in self.exprs) + "}"
+
+
+class ParseElementEnhance(ParserElement):
+    """Abstract subclass of :class:`ParserElement`, for combining and
+    post-processing parsed tokens.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        super().__init__(savelist)
+        if isinstance(expr, str_type):
+            if issubclass(self._literalStringClass, Token):
+                expr = self._literalStringClass(expr)
+            elif issubclass(type(self), self._literalStringClass):
+                expr = Literal(expr)
+            else:
+                expr = self._literalStringClass(Literal(expr))
+        self.expr = expr
+        if expr is not None:
+            self.mayIndexError = expr.mayIndexError
+            self.mayReturnEmpty = expr.mayReturnEmpty
+            self.set_whitespace_chars(
+                expr.whiteChars, copy_defaults=expr.copyDefaultWhiteChars
+            )
+            self.skipWhitespace = expr.skipWhitespace
+            self.saveAsList = expr.saveAsList
+            self.callPreparse = expr.callPreparse
+            self.ignoreExprs.extend(expr.ignoreExprs)
+
+    def recurse(self) -> Sequence[ParserElement]:
+        return [self.expr] if self.expr is not None else []
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr is not None:
+            return self.expr._parse(instring, loc, doActions, callPreParse=False)
+        else:
+            raise ParseException(instring, loc, "No expression defined", self)
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().leave_whitespace(recursive)
+
+        if recursive:
+            self.expr = self.expr.copy()
+            if self.expr is not None:
+                self.expr.leave_whitespace(recursive)
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        super().ignore_whitespace(recursive)
+
+        if recursive:
+            self.expr = self.expr.copy()
+            if self.expr is not None:
+                self.expr.ignore_whitespace(recursive)
+        return self
+
+    def ignore(self, other) -> ParserElement:
+        if isinstance(other, Suppress):
+            if other not in self.ignoreExprs:
+                super().ignore(other)
+                if self.expr is not None:
+                    self.expr.ignore(self.ignoreExprs[-1])
+        else:
+            super().ignore(other)
+            if self.expr is not None:
+                self.expr.ignore(self.ignoreExprs[-1])
+        return self
+
+    def streamline(self) -> ParserElement:
+        super().streamline()
+        if self.expr is not None:
+            self.expr.streamline()
+        return self
+
+    def _checkRecursion(self, parseElementList):
+        if self in parseElementList:
+            raise RecursiveGrammarException(parseElementList + [self])
+        subRecCheckList = parseElementList[:] + [self]
+        if self.expr is not None:
+            self.expr._checkRecursion(subRecCheckList)
+
+    def validate(self, validateTrace=None) -> None:
+        if validateTrace is None:
+            validateTrace = []
+        tmp = validateTrace[:] + [self]
+        if self.expr is not None:
+            self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self):
+        return "{}:({})".format(self.__class__.__name__, str(self.expr))
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class IndentedBlock(ParseElementEnhance):
+    """
+    Expression to match one or more expressions at a given indentation level.
+    Useful for parsing text where structure is implied by indentation (like Python source code).
+    """
+
+    class _Indent(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = "expected indent at column {}".format(ref_col)
+            self.add_condition(lambda s, l, t: col(l, s) == ref_col)
+
+    class _IndentGreater(Empty):
+        def __init__(self, ref_col: int):
+            super().__init__()
+            self.errmsg = "expected indent at column greater than {}".format(ref_col)
+            self.add_condition(lambda s, l, t: col(l, s) > ref_col)
+
+    def __init__(
+        self, expr: ParserElement, *, recursive: bool = False, grouped: bool = True
+    ):
+        super().__init__(expr, savelist=True)
+        # if recursive:
+        #     raise NotImplementedError("IndentedBlock with recursive is not implemented")
+        self._recursive = recursive
+        self._grouped = grouped
+        self.parent_anchor = 1
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # advance parse position to non-whitespace by using an Empty()
+        # this should be the column to be used for all subsequent indented lines
+        anchor_loc = Empty().preParse(instring, loc)
+
+        # see if self.expr matches at the current location - if not it will raise an exception
+        # and no further work is necessary
+        self.expr.try_parse(instring, anchor_loc, doActions)
+
+        indent_col = col(anchor_loc, instring)
+        peer_detect_expr = self._Indent(indent_col)
+
+        inner_expr = Empty() + peer_detect_expr + self.expr
+        if self._recursive:
+            sub_indent = self._IndentGreater(indent_col)
+            nested_block = IndentedBlock(
+                self.expr, recursive=self._recursive, grouped=self._grouped
+            )
+            nested_block.set_debug(self.debug)
+            nested_block.parent_anchor = indent_col
+            inner_expr += Opt(sub_indent + nested_block)
+
+        inner_expr.set_name(f"inner {hex(id(inner_expr))[-4:].upper()}@{indent_col}")
+        block = OneOrMore(inner_expr)
+
+        trailing_undent = self._Indent(self.parent_anchor) | StringEnd()
+
+        if self._grouped:
+            wrapper = Group
+        else:
+            wrapper = lambda expr: expr
+        return (wrapper(block) + Optional(trailing_undent)).parseImpl(
+            instring, anchor_loc, doActions
+        )
+
+
+class AtStringStart(ParseElementEnhance):
+    """Matches if expression matches at the beginning of the parse
+    string::
+
+        AtStringStart(Word(nums)).parse_string("123")
+        # prints ["123"]
+
+        AtStringStart(Word(nums)).parse_string("    123")
+        # raises ParseException
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if loc != 0:
+            raise ParseException(instring, loc, "not found at string start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class AtLineStart(ParseElementEnhance):
+    r"""Matches if an expression matches at the beginning of a line within
+    the parse string
+
+    Example::
+
+        test = '''\
+        AAA this line
+        AAA and this line
+          AAA but not this one
+        B AAA and definitely not this one
+        '''
+
+        for t in (AtLineStart('AAA') + restOfLine).search_string(test):
+            print(t)
+
+    prints::
+
+        ['AAA', ' this line']
+        ['AAA', ' and this line']
+
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.callPreparse = False
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if col(loc, instring) != 1:
+            raise ParseException(instring, loc, "not found at line start")
+        return super().parseImpl(instring, loc, doActions)
+
+
+class FollowedBy(ParseElementEnhance):
+    """Lookahead matching of the given parse expression.
+    ``FollowedBy`` does *not* advance the parsing position within
+    the input string, it only verifies that the specified parse
+    expression matches at the current position.  ``FollowedBy``
+    always returns a null token list. If any results names are defined
+    in the lookahead expression, those *will* be returned for access by
+    name.
+
+    Example::
+
+        # use FollowedBy to match a label only if it is followed by a ':'
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        attr_expr[1, ...].parse_string("shape: SQUARE color: BLACK posn: upper left").pprint()
+
+    prints::
+
+        [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']]
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        # by using self._expr.parse and deleting the contents of the returned ParseResults list
+        # we keep any named results that were defined in the FollowedBy expression
+        _, ret = self.expr._parse(instring, loc, doActions=doActions)
+        del ret[:]
+
+        return loc, ret
+
+
+class PrecededBy(ParseElementEnhance):
+    """Lookbehind matching of the given parse expression.
+    ``PrecededBy`` does not advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    matches prior to the current position.  ``PrecededBy`` always
+    returns a null token list, but if a results name is defined on the
+    given expression, it is returned.
+
+    Parameters:
+
+    - expr - expression that must match prior to the current parse
+      location
+    - retreat - (default= ``None``) - (int) maximum number of characters
+      to lookbehind prior to the current parse location
+
+    If the lookbehind expression is a string, :class:`Literal`,
+    :class:`Keyword`, or a :class:`Word` or :class:`CharsNotIn`
+    with a specified exact or maximum length, then the retreat
+    parameter is not required. Otherwise, retreat must be specified to
+    give a maximum number of characters to look back from
+    the current parse position for a lookbehind match.
+
+    Example::
+
+        # VB-style variable names with type prefixes
+        int_var = PrecededBy("#") + pyparsing_common.identifier
+        str_var = PrecededBy("$") + pyparsing_common.identifier
+
+    """
+
+    def __init__(
+        self, expr: Union[ParserElement, str], retreat: typing.Optional[int] = None
+    ):
+        super().__init__(expr)
+        self.expr = self.expr().leave_whitespace()
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.exact = False
+        if isinstance(expr, str_type):
+            retreat = len(expr)
+            self.exact = True
+        elif isinstance(expr, (Literal, Keyword)):
+            retreat = expr.matchLen
+            self.exact = True
+        elif isinstance(expr, (Word, CharsNotIn)) and expr.maxLen != _MAX_INT:
+            retreat = expr.maxLen
+            self.exact = True
+        elif isinstance(expr, PositionToken):
+            retreat = 0
+            self.exact = True
+        self.retreat = retreat
+        self.errmsg = "not preceded by " + str(expr)
+        self.skipWhitespace = False
+        self.parseAction.append(lambda s, l, t: t.__delitem__(slice(None, None)))
+
+    def parseImpl(self, instring, loc=0, doActions=True):
+        if self.exact:
+            if loc < self.retreat:
+                raise ParseException(instring, loc, self.errmsg)
+            start = loc - self.retreat
+            _, ret = self.expr._parse(instring, start)
+        else:
+            # retreat specified a maximum lookbehind window, iterate
+            test_expr = self.expr + StringEnd()
+            instring_slice = instring[max(0, loc - self.retreat) : loc]
+            last_expr = ParseException(instring, loc, self.errmsg)
+            for offset in range(1, min(loc, self.retreat + 1) + 1):
+                try:
+                    # print('trying', offset, instring_slice, repr(instring_slice[loc - offset:]))
+                    _, ret = test_expr._parse(
+                        instring_slice, len(instring_slice) - offset
+                    )
+                except ParseBaseException as pbe:
+                    last_expr = pbe
+                else:
+                    break
+            else:
+                raise last_expr
+        return loc, ret
+
+
+class Located(ParseElementEnhance):
+    """
+    Decorates a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parse_with_tabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in Located(wd).search_string("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [0, ['ljsdf'], 5]
+        [8, ['lksdjjf'], 15]
+        [18, ['lkkjj'], 23]
+
+    """
+
+    def parseImpl(self, instring, loc, doActions=True):
+        start = loc
+        loc, tokens = self.expr._parse(instring, start, doActions, callPreParse=False)
+        ret_tokens = ParseResults([start, tokens, loc])
+        ret_tokens["locn_start"] = start
+        ret_tokens["value"] = tokens
+        ret_tokens["locn_end"] = loc
+        if self.resultsName:
+            # must return as a list, so that the name will be attached to the complete group
+            return loc, [ret_tokens]
+        else:
+            return loc, ret_tokens
+
+
+class NotAny(ParseElementEnhance):
+    """
+    Lookahead to disallow matching with the given parse expression.
+    ``NotAny`` does *not* advance the parsing position within the
+    input string, it only verifies that the specified parse expression
+    does *not* match at the current position.  Also, ``NotAny`` does
+    *not* skip over leading whitespace. ``NotAny`` always returns
+    a null token list.  May be constructed using the ``'~'`` operator.
+
+    Example::
+
+        AND, OR, NOT = map(CaselessKeyword, "AND OR NOT".split())
+
+        # take care not to mistake keywords for identifiers
+        ident = ~(AND | OR | NOT) + Word(alphas)
+        boolean_term = Opt(NOT) + ident
+
+        # very crude boolean expression - to support parenthesis groups and
+        # operation hierarchy, use infix_notation
+        boolean_expr = boolean_term + ((AND | OR) + boolean_term)[...]
+
+        # integers that are followed by "." are actually floats
+        integer = Word(nums) + ~Char(".")
+    """
+
+    def __init__(self, expr: Union[ParserElement, str]):
+        super().__init__(expr)
+        # do NOT use self.leave_whitespace(), don't want to propagate to exprs
+        # self.leave_whitespace()
+        self.skipWhitespace = False
+
+        self.mayReturnEmpty = True
+        self.errmsg = "Found unwanted token, " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if self.expr.can_parse_next(instring, loc):
+            raise ParseException(instring, loc, self.errmsg, self)
+        return loc, []
+
+    def _generateDefaultName(self):
+        return "~{" + str(self.expr) + "}"
+
+
+class _MultipleMatch(ParseElementEnhance):
+    def __init__(
+        self,
+        expr: ParserElement,
+        stop_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        stopOn: typing.Optional[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr)
+        stopOn = stopOn or stop_on
+        self.saveAsList = True
+        ender = stopOn
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.stopOn(ender)
+
+    def stopOn(self, ender) -> ParserElement:
+        if isinstance(ender, str_type):
+            ender = self._literalStringClass(ender)
+        self.not_ender = ~ender if ender is not None else None
+        return self
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr_parse = self.expr._parse
+        self_skip_ignorables = self._skipIgnorables
+        check_ender = self.not_ender is not None
+        if check_ender:
+            try_not_ender = self.not_ender.tryParse
+
+        # must be at least one (but first see if we are the stopOn sentinel;
+        # if so, fail)
+        if check_ender:
+            try_not_ender(instring, loc)
+        loc, tokens = self_expr_parse(instring, loc, doActions)
+        try:
+            hasIgnoreExprs = not not self.ignoreExprs
+            while 1:
+                if check_ender:
+                    try_not_ender(instring, loc)
+                if hasIgnoreExprs:
+                    preloc = self_skip_ignorables(instring, loc)
+                else:
+                    preloc = loc
+                loc, tmptokens = self_expr_parse(instring, preloc, doActions)
+                if tmptokens or tmptokens.haskeys():
+                    tokens += tmptokens
+        except (ParseException, IndexError):
+            pass
+
+        return loc, tokens
+
+    def _setResultsName(self, name, listAllMatches=False):
+        if (
+            __diag__.warn_ungrouped_named_tokens_in_collection
+            and Diagnostics.warn_ungrouped_named_tokens_in_collection
+            not in self.suppress_warnings_
+        ):
+            for e in [self.expr] + self.expr.recurse():
+                if (
+                    isinstance(e, ParserElement)
+                    and e.resultsName
+                    and Diagnostics.warn_ungrouped_named_tokens_in_collection
+                    not in e.suppress_warnings_
+                ):
+                    warnings.warn(
+                        "{}: setting results name {!r} on {} expression "
+                        "collides with {!r} on contained expression".format(
+                            "warn_ungrouped_named_tokens_in_collection",
+                            name,
+                            type(self).__name__,
+                            e.resultsName,
+                        ),
+                        stacklevel=3,
+                    )
+
+        return super()._setResultsName(name, listAllMatches)
+
+
+class OneOrMore(_MultipleMatch):
+    """
+    Repetition of one or more of the given expression.
+
+    Parameters:
+    - expr - expression that must match one or more times
+    - stop_on - (default= ``None``) - expression for a terminating sentinel
+         (only required if the sentinel would ordinarily match the repetition
+         expression)
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).set_parse_action(' '.join))
+
+        text = "shape: SQUARE posn: upper left color: BLACK"
+        attr_expr[1, ...].parse_string(text).pprint()  # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']]
+
+        # use stop_on attribute for OneOrMore to avoid reading label string as part of the data
+        attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        OneOrMore(attr_expr).parse_string(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']]
+
+        # could also be written as
+        (attr_expr * (1,)).parse_string(text).pprint()
+    """
+
+    def _generateDefaultName(self):
+        return "{" + str(self.expr) + "}..."
+
+
+class ZeroOrMore(_MultipleMatch):
+    """
+    Optional repetition of zero or more of the given expression.
+
+    Parameters:
+    - ``expr`` - expression that must match zero or more times
+    - ``stop_on`` - expression for a terminating sentinel
+      (only required if the sentinel would ordinarily match the repetition
+      expression) - (default= ``None``)
+
+    Example: similar to :class:`OneOrMore`
+    """
+
+    def __init__(
+        self,
+        expr: ParserElement,
+        stop_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        stopOn: typing.Optional[Union[ParserElement, str]] = None,
+    ):
+        super().__init__(expr, stopOn=stopOn or stop_on)
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        try:
+            return super().parseImpl(instring, loc, doActions)
+        except (ParseException, IndexError):
+            return loc, ParseResults([], name=self.resultsName)
+
+    def _generateDefaultName(self):
+        return "[" + str(self.expr) + "]..."
+
+
+class _NullToken:
+    def __bool__(self):
+        return False
+
+    def __str__(self):
+        return ""
+
+
+class Opt(ParseElementEnhance):
+    """
+    Optional matching of the given expression.
+
+    Parameters:
+    - ``expr`` - expression that must match zero or more times
+    - ``default`` (optional) - value to be returned if the optional expression is not found.
+
+    Example::
+
+        # US postal code can be a 5-digit zip, plus optional 4-digit qualifier
+        zip = Combine(Word(nums, exact=5) + Opt('-' + Word(nums, exact=4)))
+        zip.run_tests('''
+            # traditional ZIP code
+            12345
+
+            # ZIP+4 form
+            12101-0001
+
+            # invalid ZIP
+            98765-
+            ''')
+
+    prints::
+
+        # traditional ZIP code
+        12345
+        ['12345']
+
+        # ZIP+4 form
+        12101-0001
+        ['12101-0001']
+
+        # invalid ZIP
+        98765-
+             ^
+        FAIL: Expected end of text (at char 5), (line:1, col:6)
+    """
+
+    __optionalNotMatched = _NullToken()
+
+    def __init__(
+        self, expr: Union[ParserElement, str], default: Any = __optionalNotMatched
+    ):
+        super().__init__(expr, savelist=False)
+        self.saveAsList = self.expr.saveAsList
+        self.defaultValue = default
+        self.mayReturnEmpty = True
+
+    def parseImpl(self, instring, loc, doActions=True):
+        self_expr = self.expr
+        try:
+            loc, tokens = self_expr._parse(instring, loc, doActions, callPreParse=False)
+        except (ParseException, IndexError):
+            default_value = self.defaultValue
+            if default_value is not self.__optionalNotMatched:
+                if self_expr.resultsName:
+                    tokens = ParseResults([default_value])
+                    tokens[self_expr.resultsName] = default_value
+                else:
+                    tokens = [default_value]
+            else:
+                tokens = []
+        return loc, tokens
+
+    def _generateDefaultName(self):
+        inner = str(self.expr)
+        # strip off redundant inner {}'s
+        while len(inner) > 1 and inner[0 :: len(inner) - 1] == "{}":
+            inner = inner[1:-1]
+        return "[" + inner + "]"
+
+
+Optional = Opt
+
+
+class SkipTo(ParseElementEnhance):
+    """
+    Token for skipping over all undefined text until the matched
+    expression is found.
+
+    Parameters:
+    - ``expr`` - target expression marking the end of the data to be skipped
+    - ``include`` - if ``True``, the target expression is also parsed
+      (the skipped text and target expression are returned as a 2-element
+      list) (default= ``False``).
+    - ``ignore`` - (default= ``None``) used to define grammars (typically quoted strings and
+      comments) that might contain false matches to the target expression
+    - ``fail_on`` - (default= ``None``) define expressions that are not allowed to be
+      included in the skipped test; if found before the target expression is found,
+      the :class:`SkipTo` is not a match
+
+    Example::
+
+        report = '''
+            Outstanding Issues Report - 1 Jan 2000
+
+               # | Severity | Description                               |  Days Open
+            -----+----------+-------------------------------------------+-----------
+             101 | Critical | Intermittent system crash                 |          6
+              94 | Cosmetic | Spelling error on Login ('log|n')         |         14
+              79 | Minor    | System slow when running too many reports |         47
+            '''
+        integer = Word(nums)
+        SEP = Suppress('|')
+        # use SkipTo to simply match everything up until the next SEP
+        # - ignore quoted strings, so that a '|' character inside a quoted string does not match
+        # - parse action will call token.strip() for each matched token, i.e., the description body
+        string_data = SkipTo(SEP, ignore=quoted_string)
+        string_data.set_parse_action(token_map(str.strip))
+        ticket_expr = (integer("issue_num") + SEP
+                      + string_data("sev") + SEP
+                      + string_data("desc") + SEP
+                      + integer("days_open"))
+
+        for tkt in ticket_expr.search_string(report):
+            print tkt.dump()
+
+    prints::
+
+        ['101', 'Critical', 'Intermittent system crash', '6']
+        - days_open: '6'
+        - desc: 'Intermittent system crash'
+        - issue_num: '101'
+        - sev: 'Critical'
+        ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14']
+        - days_open: '14'
+        - desc: "Spelling error on Login ('log|n')"
+        - issue_num: '94'
+        - sev: 'Cosmetic'
+        ['79', 'Minor', 'System slow when running too many reports', '47']
+        - days_open: '47'
+        - desc: 'System slow when running too many reports'
+        - issue_num: '79'
+        - sev: 'Minor'
+    """
+
+    def __init__(
+        self,
+        other: Union[ParserElement, str],
+        include: bool = False,
+        ignore: bool = None,
+        fail_on: typing.Optional[Union[ParserElement, str]] = None,
+        *,
+        failOn: Union[ParserElement, str] = None,
+    ):
+        super().__init__(other)
+        failOn = failOn or fail_on
+        self.ignoreExpr = ignore
+        self.mayReturnEmpty = True
+        self.mayIndexError = False
+        self.includeMatch = include
+        self.saveAsList = False
+        if isinstance(failOn, str_type):
+            self.failOn = self._literalStringClass(failOn)
+        else:
+            self.failOn = failOn
+        self.errmsg = "No match found for " + str(self.expr)
+
+    def parseImpl(self, instring, loc, doActions=True):
+        startloc = loc
+        instrlen = len(instring)
+        self_expr_parse = self.expr._parse
+        self_failOn_canParseNext = (
+            self.failOn.canParseNext if self.failOn is not None else None
+        )
+        self_ignoreExpr_tryParse = (
+            self.ignoreExpr.tryParse if self.ignoreExpr is not None else None
+        )
+
+        tmploc = loc
+        while tmploc <= instrlen:
+            if self_failOn_canParseNext is not None:
+                # break if failOn expression matches
+                if self_failOn_canParseNext(instring, tmploc):
+                    break
+
+            if self_ignoreExpr_tryParse is not None:
+                # advance past ignore expressions
+                while 1:
+                    try:
+                        tmploc = self_ignoreExpr_tryParse(instring, tmploc)
+                    except ParseBaseException:
+                        break
+
+            try:
+                self_expr_parse(instring, tmploc, doActions=False, callPreParse=False)
+            except (ParseException, IndexError):
+                # no match, advance loc in string
+                tmploc += 1
+            else:
+                # matched skipto expr, done
+                break
+
+        else:
+            # ran off the end of the input string without matching skipto expr, fail
+            raise ParseException(instring, loc, self.errmsg, self)
+
+        # build up return values
+        loc = tmploc
+        skiptext = instring[startloc:loc]
+        skipresult = ParseResults(skiptext)
+
+        if self.includeMatch:
+            loc, mat = self_expr_parse(instring, loc, doActions, callPreParse=False)
+            skipresult += mat
+
+        return loc, skipresult
+
+
+class Forward(ParseElementEnhance):
+    """
+    Forward declaration of an expression to be defined later -
+    used for recursive grammars, such as algebraic infix notation.
+    When the expression is known, it is assigned to the ``Forward``
+    variable using the ``'<<'`` operator.
+
+    Note: take care when assigning to ``Forward`` not to overlook
+    precedence of operators.
+
+    Specifically, ``'|'`` has a lower precedence than ``'<<'``, so that::
+
+        fwd_expr << a | b | c
+
+    will actually be evaluated as::
+
+        (fwd_expr << a) | b | c
+
+    thereby leaving b and c out as parseable alternatives.  It is recommended that you
+    explicitly group the values inserted into the ``Forward``::
+
+        fwd_expr << (a | b | c)
+
+    Converting to use the ``'<<='`` operator instead will avoid this problem.
+
+    See :class:`ParseResults.pprint` for an example of a recursive
+    parser created using ``Forward``.
+    """
+
+    def __init__(self, other: typing.Optional[Union[ParserElement, str]] = None):
+        self.caller_frame = traceback.extract_stack(limit=2)[0]
+        super().__init__(other, savelist=False)
+        self.lshift_line = None
+
+    def __lshift__(self, other):
+        if hasattr(self, "caller_frame"):
+            del self.caller_frame
+        if isinstance(other, str_type):
+            other = self._literalStringClass(other)
+        self.expr = other
+        self.mayIndexError = self.expr.mayIndexError
+        self.mayReturnEmpty = self.expr.mayReturnEmpty
+        self.set_whitespace_chars(
+            self.expr.whiteChars, copy_defaults=self.expr.copyDefaultWhiteChars
+        )
+        self.skipWhitespace = self.expr.skipWhitespace
+        self.saveAsList = self.expr.saveAsList
+        self.ignoreExprs.extend(self.expr.ignoreExprs)
+        self.lshift_line = traceback.extract_stack(limit=2)[-2]
+        return self
+
+    def __ilshift__(self, other):
+        return self << other
+
+    def __or__(self, other):
+        caller_line = traceback.extract_stack(limit=2)[-2]
+        if (
+            __diag__.warn_on_match_first_with_lshift_operator
+            and caller_line == self.lshift_line
+            and Diagnostics.warn_on_match_first_with_lshift_operator
+            not in self.suppress_warnings_
+        ):
+            warnings.warn(
+                "using '<<' operator with '|' is probably an error, use '<<='",
+                stacklevel=2,
+            )
+        ret = super().__or__(other)
+        return ret
+
+    def __del__(self):
+        # see if we are getting dropped because of '=' reassignment of var instead of '<<=' or '<<'
+        if (
+            self.expr is None
+            and __diag__.warn_on_assignment_to_Forward
+            and Diagnostics.warn_on_assignment_to_Forward not in self.suppress_warnings_
+        ):
+            warnings.warn_explicit(
+                "Forward defined here but no expression attached later using '<<=' or '<<'",
+                UserWarning,
+                filename=self.caller_frame.filename,
+                lineno=self.caller_frame.lineno,
+            )
+
+    def parseImpl(self, instring, loc, doActions=True):
+        if (
+            self.expr is None
+            and __diag__.warn_on_parse_using_empty_Forward
+            and Diagnostics.warn_on_parse_using_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            # walk stack until parse_string, scan_string, search_string, or transform_string is found
+            parse_fns = [
+                "parse_string",
+                "scan_string",
+                "search_string",
+                "transform_string",
+            ]
+            tb = traceback.extract_stack(limit=200)
+            for i, frm in enumerate(reversed(tb), start=1):
+                if frm.name in parse_fns:
+                    stacklevel = i + 1
+                    break
+            else:
+                stacklevel = 2
+            warnings.warn(
+                "Forward expression was never assigned a value, will not parse any input",
+                stacklevel=stacklevel,
+            )
+        if not ParserElement._left_recursion_enabled:
+            return super().parseImpl(instring, loc, doActions)
+        # ## Bounded Recursion algorithm ##
+        # Recursion only needs to be processed at ``Forward`` elements, since they are
+        # the only ones that can actually refer to themselves. The general idea is
+        # to handle recursion stepwise: We start at no recursion, then recurse once,
+        # recurse twice, ..., until more recursion offers no benefit (we hit the bound).
+        #
+        # The "trick" here is that each ``Forward`` gets evaluated in two contexts
+        # - to *match* a specific recursion level, and
+        # - to *search* the bounded recursion level
+        # and the two run concurrently. The *search* must *match* each recursion level
+        # to find the best possible match. This is handled by a memo table, which
+        # provides the previous match to the next level match attempt.
+        #
+        # See also "Left Recursion in Parsing Expression Grammars", Medeiros et al.
+        #
+        # There is a complication since we not only *parse* but also *transform* via
+        # actions: We do not want to run the actions too often while expanding. Thus,
+        # we expand using `doActions=False` and only run `doActions=True` if the next
+        # recursion level is acceptable.
+        with ParserElement.recursion_lock:
+            memo = ParserElement.recursion_memos
+            try:
+                # we are parsing at a specific recursion expansion - use it as-is
+                prev_loc, prev_result = memo[loc, self, doActions]
+                if isinstance(prev_result, Exception):
+                    raise prev_result
+                return prev_loc, prev_result.copy()
+            except KeyError:
+                act_key = (loc, self, True)
+                peek_key = (loc, self, False)
+                # we are searching for the best recursion expansion - keep on improving
+                # both `doActions` cases must be tracked separately here!
+                prev_loc, prev_peek = memo[peek_key] = (
+                    loc - 1,
+                    ParseException(
+                        instring, loc, "Forward recursion without base case", self
+                    ),
+                )
+                if doActions:
+                    memo[act_key] = memo[peek_key]
+                while True:
+                    try:
+                        new_loc, new_peek = super().parseImpl(instring, loc, False)
+                    except ParseException:
+                        # we failed before getting any match – do not hide the error
+                        if isinstance(prev_peek, Exception):
+                            raise
+                        new_loc, new_peek = prev_loc, prev_peek
+                    # the match did not get better: we are done
+                    if new_loc <= prev_loc:
+                        if doActions:
+                            # replace the match for doActions=False as well,
+                            # in case the action did backtrack
+                            prev_loc, prev_result = memo[peek_key] = memo[act_key]
+                            del memo[peek_key], memo[act_key]
+                            return prev_loc, prev_result.copy()
+                        del memo[peek_key]
+                        return prev_loc, prev_peek.copy()
+                    # the match did get better: see if we can improve further
+                    else:
+                        if doActions:
+                            try:
+                                memo[act_key] = super().parseImpl(instring, loc, True)
+                            except ParseException as e:
+                                memo[peek_key] = memo[act_key] = (new_loc, e)
+                                raise
+                        prev_loc, prev_peek = memo[peek_key] = new_loc, new_peek
+
+    def leave_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = False
+        return self
+
+    def ignore_whitespace(self, recursive: bool = True) -> ParserElement:
+        self.skipWhitespace = True
+        return self
+
+    def streamline(self) -> ParserElement:
+        if not self.streamlined:
+            self.streamlined = True
+            if self.expr is not None:
+                self.expr.streamline()
+        return self
+
+    def validate(self, validateTrace=None) -> None:
+        if validateTrace is None:
+            validateTrace = []
+
+        if self not in validateTrace:
+            tmp = validateTrace[:] + [self]
+            if self.expr is not None:
+                self.expr.validate(tmp)
+        self._checkRecursion([])
+
+    def _generateDefaultName(self):
+        # Avoid infinite recursion by setting a temporary _defaultName
+        self._defaultName = ": ..."
+
+        # Use the string representation of main expression.
+        retString = "..."
+        try:
+            if self.expr is not None:
+                retString = str(self.expr)[:1000]
+            else:
+                retString = "None"
+        finally:
+            return self.__class__.__name__ + ": " + retString
+
+    def copy(self) -> ParserElement:
+        if self.expr is not None:
+            return super().copy()
+        else:
+            ret = Forward()
+            ret <<= self
+            return ret
+
+    def _setResultsName(self, name, list_all_matches=False):
+        if (
+            __diag__.warn_name_set_on_empty_Forward
+            and Diagnostics.warn_name_set_on_empty_Forward
+            not in self.suppress_warnings_
+        ):
+            if self.expr is None:
+                warnings.warn(
+                    "{}: setting results name {!r} on {} expression "
+                    "that has no contained expression".format(
+                        "warn_name_set_on_empty_Forward", name, type(self).__name__
+                    ),
+                    stacklevel=3,
+                )
+
+        return super()._setResultsName(name, list_all_matches)
+
+    ignoreWhitespace = ignore_whitespace
+    leaveWhitespace = leave_whitespace
+
+
+class TokenConverter(ParseElementEnhance):
+    """
+    Abstract subclass of :class:`ParseExpression`, for converting parsed results.
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist=False):
+        super().__init__(expr)  # , savelist)
+        self.saveAsList = False
+
+
+class Combine(TokenConverter):
+    """Converter to concatenate all matching tokens to a single string.
+    By default, the matching patterns must also be contiguous in the
+    input string; this can be disabled by specifying
+    ``'adjacent=False'`` in the constructor.
+
+    Example::
+
+        real = Word(nums) + '.' + Word(nums)
+        print(real.parse_string('3.1416')) # -> ['3', '.', '1416']
+        # will also erroneously match the following
+        print(real.parse_string('3. 1416')) # -> ['3', '.', '1416']
+
+        real = Combine(Word(nums) + '.' + Word(nums))
+        print(real.parse_string('3.1416')) # -> ['3.1416']
+        # no match when there are internal spaces
+        print(real.parse_string('3. 1416')) # -> Exception: Expected W:(0123...)
+    """
+
+    def __init__(
+        self,
+        expr: ParserElement,
+        join_string: str = "",
+        adjacent: bool = True,
+        *,
+        joinString: typing.Optional[str] = None,
+    ):
+        super().__init__(expr)
+        joinString = joinString if joinString is not None else join_string
+        # suppress whitespace-stripping in contained parse expressions, but re-enable it on the Combine itself
+        if adjacent:
+            self.leave_whitespace()
+        self.adjacent = adjacent
+        self.skipWhitespace = True
+        self.joinString = joinString
+        self.callPreparse = True
+
+    def ignore(self, other) -> ParserElement:
+        if self.adjacent:
+            ParserElement.ignore(self, other)
+        else:
+            super().ignore(other)
+        return self
+
+    def postParse(self, instring, loc, tokenlist):
+        retToks = tokenlist.copy()
+        del retToks[:]
+        retToks += ParseResults(
+            ["".join(tokenlist._asStringList(self.joinString))], modal=self.modalResults
+        )
+
+        if self.resultsName and retToks.haskeys():
+            return [retToks]
+        else:
+            return retToks
+
+
+class Group(TokenConverter):
+    """Converter to return the matched tokens as a list - useful for
+    returning tokens of :class:`ZeroOrMore` and :class:`OneOrMore` expressions.
+
+    The optional ``aslist`` argument when set to True will return the
+    parsed tokens as a Python list instead of a pyparsing ParseResults.
+
+    Example::
+
+        ident = Word(alphas)
+        num = Word(nums)
+        term = ident | num
+        func = ident + Opt(delimited_list(term))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', 'a', 'b', '100']
+
+        func = ident + Group(Opt(delimited_list(term)))
+        print(func.parse_string("fn a, b, 100"))
+        # -> ['fn', ['a', 'b', '100']]
+    """
+
+    def __init__(self, expr: ParserElement, aslist: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonList = aslist
+
+    def postParse(self, instring, loc, tokenlist):
+        if self._asPythonList:
+            return ParseResults.List(
+                tokenlist.asList()
+                if isinstance(tokenlist, ParseResults)
+                else list(tokenlist)
+            )
+        else:
+            return [tokenlist]
+
+
+class Dict(TokenConverter):
+    """Converter to return a repetitive expression as a list, but also
+    as a dictionary. Each element can also be referenced using the first
+    token in the expression as its key. Useful for tabular report
+    scraping when the first column can be used as a item key.
+
+    The optional ``asdict`` argument when set to True will return the
+    parsed tokens as a Python dict instead of a pyparsing ParseResults.
+
+    Example::
+
+        data_word = Word(alphas)
+        label = data_word + FollowedBy(':')
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+
+        # print attributes as plain groups
+        print(attr_expr[1, ...].parse_string(text).dump())
+
+        # instead of OneOrMore(expr), parse using Dict(Group(expr)[1, ...]) - Dict will auto-assign names
+        result = Dict(Group(attr_expr)[1, ...]).parse_string(text)
+        print(result.dump())
+
+        # access named fields as dict entries, or output as dict
+        print(result['shape'])
+        print(result.as_dict())
+
+    prints::
+
+        ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap']
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: 'light blue'
+        - posn: 'upper left'
+        - shape: 'SQUARE'
+        - texture: 'burlap'
+        SQUARE
+        {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'}
+
+    See more examples at :class:`ParseResults` of accessing fields by results name.
+    """
+
+    def __init__(self, expr: ParserElement, asdict: bool = False):
+        super().__init__(expr)
+        self.saveAsList = True
+        self._asPythonDict = asdict
+
+    def postParse(self, instring, loc, tokenlist):
+        for i, tok in enumerate(tokenlist):
+            if len(tok) == 0:
+                continue
+
+            ikey = tok[0]
+            if isinstance(ikey, int):
+                ikey = str(ikey).strip()
+
+            if len(tok) == 1:
+                tokenlist[ikey] = _ParseResultsWithOffset("", i)
+
+            elif len(tok) == 2 and not isinstance(tok[1], ParseResults):
+                tokenlist[ikey] = _ParseResultsWithOffset(tok[1], i)
+
+            else:
+                try:
+                    dictvalue = tok.copy()  # ParseResults(i)
+                except Exception:
+                    exc = TypeError(
+                        "could not extract dict values from parsed results"
+                        " - Dict expression must contain Grouped expressions"
+                    )
+                    raise exc from None
+
+                del dictvalue[0]
+
+                if len(dictvalue) != 1 or (
+                    isinstance(dictvalue, ParseResults) and dictvalue.haskeys()
+                ):
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue, i)
+                else:
+                    tokenlist[ikey] = _ParseResultsWithOffset(dictvalue[0], i)
+
+        if self._asPythonDict:
+            return [tokenlist.as_dict()] if self.resultsName else tokenlist.as_dict()
+        else:
+            return [tokenlist] if self.resultsName else tokenlist
+
+
+class Suppress(TokenConverter):
+    """Converter for ignoring the results of a parsed expression.
+
+    Example::
+
+        source = "a, b, c,d"
+        wd = Word(alphas)
+        wd_list1 = wd + (',' + wd)[...]
+        print(wd_list1.parse_string(source))
+
+        # often, delimiters that are useful during parsing are just in the
+        # way afterward - use Suppress to keep them out of the parsed output
+        wd_list2 = wd + (Suppress(',') + wd)[...]
+        print(wd_list2.parse_string(source))
+
+        # Skipped text (using '...') can be suppressed as well
+        source = "lead in START relevant text END trailing text"
+        start_marker = Keyword("START")
+        end_marker = Keyword("END")
+        find_body = Suppress(...) + start_marker + ... + end_marker
+        print(find_body.parse_string(source)
+
+    prints::
+
+        ['a', ',', 'b', ',', 'c', ',', 'd']
+        ['a', 'b', 'c', 'd']
+        ['START', 'relevant text ', 'END']
+
+    (See also :class:`delimited_list`.)
+    """
+
+    def __init__(self, expr: Union[ParserElement, str], savelist: bool = False):
+        if expr is ...:
+            expr = _PendingSkip(NoMatch())
+        super().__init__(expr)
+
+    def __add__(self, other) -> "ParserElement":
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) + other
+        else:
+            return super().__add__(other)
+
+    def __sub__(self, other) -> "ParserElement":
+        if isinstance(self.expr, _PendingSkip):
+            return Suppress(SkipTo(other)) - other
+        else:
+            return super().__sub__(other)
+
+    def postParse(self, instring, loc, tokenlist):
+        return []
+
+    def suppress(self) -> ParserElement:
+        return self
+
+
+def trace_parse_action(f: ParseAction) -> ParseAction:
+    """Decorator for debugging parse actions.
+
+    When the parse action is called, this decorator will print
+    ``">> entering method-name(line:<current_source_line>, <parse_location>, <matched_tokens>)"``.
+    When the parse action completes, the decorator will print
+    ``"<<"`` followed by the returned value, or any exception that the parse action raised.
+
+    Example::
+
+        wd = Word(alphas)
+
+        @trace_parse_action
+        def remove_duplicate_chars(tokens):
+            return ''.join(sorted(set(''.join(tokens))))
+
+        wds = wd[1, ...].set_parse_action(remove_duplicate_chars)
+        print(wds.parse_string("slkdjs sld sldd sdlf sdljf"))
+
+    prints::
+
+        >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {}))
+        <<leaving remove_duplicate_chars (ret: 'dfjkls')
+        ['dfjkls']
+    """
+    f = _trim_arity(f)
+
+    def z(*paArgs):
+        thisFunc = f.__name__
+        s, l, t = paArgs[-3:]
+        if len(paArgs) > 3:
+            thisFunc = paArgs[0].__class__.__name__ + "." + thisFunc
+        sys.stderr.write(
+            ">>entering {}(line: {!r}, {}, {!r})\n".format(thisFunc, line(l, s), l, t)
+        )
+        try:
+            ret = f(*paArgs)
+        except Exception as exc:
+            sys.stderr.write("<<leaving {} (exception: {})\n".format(thisFunc, exc))
+            raise
+        sys.stderr.write("<<leaving {} (ret: {!r})\n".format(thisFunc, ret))
+        return ret
+
+    z.__name__ = f.__name__
+    return z
+
+
+# convenience constants for positional expressions
+empty = Empty().set_name("empty")
+line_start = LineStart().set_name("line_start")
+line_end = LineEnd().set_name("line_end")
+string_start = StringStart().set_name("string_start")
+string_end = StringEnd().set_name("string_end")
+
+_escapedPunc = Word(_bslash, r"\[]-*.$+^?()~ ", exact=2).set_parse_action(
+    lambda s, l, t: t[0][1]
+)
+_escapedHexChar = Regex(r"\\0?[xX][0-9a-fA-F]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0].lstrip(r"\0x"), 16))
+)
+_escapedOctChar = Regex(r"\\0[0-7]+").set_parse_action(
+    lambda s, l, t: chr(int(t[0][1:], 8))
+)
+_singleChar = (
+    _escapedPunc | _escapedHexChar | _escapedOctChar | CharsNotIn(r"\]", exact=1)
+)
+_charRange = Group(_singleChar + Suppress("-") + _singleChar)
+_reBracketExpr = (
+    Literal("[")
+    + Opt("^").set_results_name("negate")
+    + Group(OneOrMore(_charRange | _singleChar)).set_results_name("body")
+    + "]"
+)
+
+
+def srange(s: str) -> str:
+    r"""Helper to easily define string ranges for use in :class:`Word`
+    construction. Borrows syntax from regexp ``'[]'`` string range
+    definitions::
+
+        srange("[0-9]")   -> "0123456789"
+        srange("[a-z]")   -> "abcdefghijklmnopqrstuvwxyz"
+        srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_"
+
+    The input string must be enclosed in []'s, and the returned string
+    is the expanded character set joined into a single string. The
+    values enclosed in the []'s may be:
+
+    - a single character
+    - an escaped character with a leading backslash (such as ``\-``
+      or ``\]``)
+    - an escaped hex character with a leading ``'\x'``
+      (``\x21``, which is a ``'!'`` character) (``\0x##``
+      is also supported for backwards compatibility)
+    - an escaped octal character with a leading ``'\0'``
+      (``\041``, which is a ``'!'`` character)
+    - a range of any of the above, separated by a dash (``'a-z'``,
+      etc.)
+    - any combination of the above (``'aeiouy'``,
+      ``'a-zA-Z0-9_$'``, etc.)
+    """
+    _expanded = (
+        lambda p: p
+        if not isinstance(p, ParseResults)
+        else "".join(chr(c) for c in range(ord(p[0]), ord(p[1]) + 1))
+    )
+    try:
+        return "".join(_expanded(part) for part in _reBracketExpr.parse_string(s).body)
+    except Exception:
+        return ""
+
+
+def token_map(func, *args) -> ParseAction:
+    """Helper to define a parse action by mapping a function to all
+    elements of a :class:`ParseResults` list. If any additional args are passed,
+    they are forwarded to the given function as additional arguments
+    after the token, as in
+    ``hex_integer = Word(hexnums).set_parse_action(token_map(int, 16))``,
+    which will convert the parsed data to an integer using base 16.
+
+    Example (compare the last to example in :class:`ParserElement.transform_string`::
+
+        hex_ints = Word(hexnums)[1, ...].set_parse_action(token_map(int, 16))
+        hex_ints.run_tests('''
+            00 11 22 aa FF 0a 0d 1a
+            ''')
+
+        upperword = Word(alphas).set_parse_action(token_map(str.upper))
+        upperword[1, ...].run_tests('''
+            my kingdom for a horse
+            ''')
+
+        wd = Word(alphas).set_parse_action(token_map(str.title))
+        wd[1, ...].set_parse_action(' '.join).run_tests('''
+            now is the winter of our discontent made glorious summer by this sun of york
+            ''')
+
+    prints::
+
+        00 11 22 aa FF 0a 0d 1a
+        [0, 17, 34, 170, 255, 10, 13, 26]
+
+        my kingdom for a horse
+        ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE']
+
+        now is the winter of our discontent made glorious summer by this sun of york
+        ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York']
+    """
+
+    def pa(s, l, t):
+        return [func(tokn, *args) for tokn in t]
+
+    func_name = getattr(func, "__name__", getattr(func, "__class__").__name__)
+    pa.__name__ = func_name
+
+    return pa
+
+
+def autoname_elements() -> None:
+    """
+    Utility to simplify mass-naming of parser elements, for
+    generating railroad diagram with named subdiagrams.
+    """
+    for name, var in sys._getframe().f_back.f_locals.items():
+        if isinstance(var, ParserElement) and not var.customName:
+            var.set_name(name)
+
+
+dbl_quoted_string = Combine(
+    Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"'
+).set_name("string enclosed in double quotes")
+
+sgl_quoted_string = Combine(
+    Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'"
+).set_name("string enclosed in single quotes")
+
+quoted_string = Combine(
+    Regex(r'"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*') + '"'
+    | Regex(r"'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*") + "'"
+).set_name("quotedString using single or double quotes")
+
+unicode_string = Combine("u" + quoted_string.copy()).set_name("unicode string literal")
+
+
+alphas8bit = srange(r"[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]")
+punc8bit = srange(r"[\0xa1-\0xbf\0xd7\0xf7]")
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs: List[ParserElement] = [
+    v for v in vars().values() if isinstance(v, ParserElement)
+]
+
+# backward compatibility names
+tokenMap = token_map
+conditionAsParseAction = condition_as_parse_action
+nullDebugAction = null_debug_action
+sglQuotedString = sgl_quoted_string
+dblQuotedString = dbl_quoted_string
+quotedString = quoted_string
+unicodeString = unicode_string
+lineStart = line_start
+lineEnd = line_end
+stringStart = string_start
+stringEnd = string_end
+traceParseAction = trace_parse_action
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/diagram/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/diagram/__init__.py
new file mode 100644
index 00000000..89864475
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/diagram/__init__.py
@@ -0,0 +1,642 @@
+import railroad
+import pyparsing
+import typing
+from typing import (
+    List,
+    NamedTuple,
+    Generic,
+    TypeVar,
+    Dict,
+    Callable,
+    Set,
+    Iterable,
+)
+from jinja2 import Template
+from io import StringIO
+import inspect
+
+
+jinja2_template_source = """\
+<!DOCTYPE html>
+<html>
+<head>
+    {% if not head %}
+        <style type="text/css">
+            .railroad-heading {
+                font-family: monospace;
+            }
+        </style>
+    {% else %}
+        {{ head | safe }}
+    {% endif %}
+</head>
+<body>
+{{ body | safe }}
+{% for diagram in diagrams %}
+    <div class="railroad-group">
+        <h1 class="railroad-heading">{{ diagram.title }}</h1>
+        <div class="railroad-description">{{ diagram.text }}</div>
+        <div class="railroad-svg">
+            {{ diagram.svg }}
+        </div>
+    </div>
+{% endfor %}
+</body>
+</html>
+"""
+
+template = Template(jinja2_template_source)
+
+# Note: ideally this would be a dataclass, but we're supporting Python 3.5+ so we can't do this yet
+NamedDiagram = NamedTuple(
+    "NamedDiagram",
+    [("name", str), ("diagram", typing.Optional[railroad.DiagramItem]), ("index", int)],
+)
+"""
+A simple structure for associating a name with a railroad diagram
+"""
+
+T = TypeVar("T")
+
+
+class EachItem(railroad.Group):
+    """
+    Custom railroad item to compose a:
+    - Group containing a
+      - OneOrMore containing a
+        - Choice of the elements in the Each
+    with the group label indicating that all must be matched
+    """
+
+    all_label = "[ALL]"
+
+    def __init__(self, *items):
+        choice_item = railroad.Choice(len(items) - 1, *items)
+        one_or_more_item = railroad.OneOrMore(item=choice_item)
+        super().__init__(one_or_more_item, label=self.all_label)
+
+
+class AnnotatedItem(railroad.Group):
+    """
+    Simple subclass of Group that creates an annotation label
+    """
+
+    def __init__(self, label: str, item):
+        super().__init__(item=item, label="[{}]".format(label) if label else label)
+
+
+class EditablePartial(Generic[T]):
+    """
+    Acts like a functools.partial, but can be edited. In other words, it represents a type that hasn't yet been
+    constructed.
+    """
+
+    # We need this here because the railroad constructors actually transform the data, so can't be called until the
+    # entire tree is assembled
+
+    def __init__(self, func: Callable[..., T], args: list, kwargs: dict):
+        self.func = func
+        self.args = args
+        self.kwargs = kwargs
+
+    @classmethod
+    def from_call(cls, func: Callable[..., T], *args, **kwargs) -> "EditablePartial[T]":
+        """
+        If you call this function in the same way that you would call the constructor, it will store the arguments
+        as you expect. For example EditablePartial.from_call(Fraction, 1, 3)() == Fraction(1, 3)
+        """
+        return EditablePartial(func=func, args=list(args), kwargs=kwargs)
+
+    @property
+    def name(self):
+        return self.kwargs["name"]
+
+    def __call__(self) -> T:
+        """
+        Evaluate the partial and return the result
+        """
+        args = self.args.copy()
+        kwargs = self.kwargs.copy()
+
+        # This is a helpful hack to allow you to specify varargs parameters (e.g. *args) as keyword args (e.g.
+        # args=['list', 'of', 'things'])
+        arg_spec = inspect.getfullargspec(self.func)
+        if arg_spec.varargs in self.kwargs:
+            args += kwargs.pop(arg_spec.varargs)
+
+        return self.func(*args, **kwargs)
+
+
+def railroad_to_html(diagrams: List[NamedDiagram], **kwargs) -> str:
+    """
+    Given a list of NamedDiagram, produce a single HTML string that visualises those diagrams
+    :params kwargs: kwargs to be passed in to the template
+    """
+    data = []
+    for diagram in diagrams:
+        if diagram.diagram is None:
+            continue
+        io = StringIO()
+        diagram.diagram.writeSvg(io.write)
+        title = diagram.name
+        if diagram.index == 0:
+            title += " (root)"
+        data.append({"title": title, "text": "", "svg": io.getvalue()})
+
+    return template.render(diagrams=data, **kwargs)
+
+
+def resolve_partial(partial: "EditablePartial[T]") -> T:
+    """
+    Recursively resolves a collection of Partials into whatever type they are
+    """
+    if isinstance(partial, EditablePartial):
+        partial.args = resolve_partial(partial.args)
+        partial.kwargs = resolve_partial(partial.kwargs)
+        return partial()
+    elif isinstance(partial, list):
+        return [resolve_partial(x) for x in partial]
+    elif isinstance(partial, dict):
+        return {key: resolve_partial(x) for key, x in partial.items()}
+    else:
+        return partial
+
+
+def to_railroad(
+    element: pyparsing.ParserElement,
+    diagram_kwargs: typing.Optional[dict] = None,
+    vertical: int = 3,
+    show_results_names: bool = False,
+    show_groups: bool = False,
+) -> List[NamedDiagram]:
+    """
+    Convert a pyparsing element tree into a list of diagrams. This is the recommended entrypoint to diagram
+    creation if you want to access the Railroad tree before it is converted to HTML
+    :param element: base element of the parser being diagrammed
+    :param diagram_kwargs: kwargs to pass to the Diagram() constructor
+    :param vertical: (optional) - int - limit at which number of alternatives should be
+       shown vertically instead of horizontally
+    :param show_results_names - bool to indicate whether results name annotations should be
+       included in the diagram
+    :param show_groups - bool to indicate whether groups should be highlighted with an unlabeled
+       surrounding box
+    """
+    # Convert the whole tree underneath the root
+    lookup = ConverterState(diagram_kwargs=diagram_kwargs or {})
+    _to_diagram_element(
+        element,
+        lookup=lookup,
+        parent=None,
+        vertical=vertical,
+        show_results_names=show_results_names,
+        show_groups=show_groups,
+    )
+
+    root_id = id(element)
+    # Convert the root if it hasn't been already
+    if root_id in lookup:
+        if not element.customName:
+            lookup[root_id].name = ""
+        lookup[root_id].mark_for_extraction(root_id, lookup, force=True)
+
+    # Now that we're finished, we can convert from intermediate structures into Railroad elements
+    diags = list(lookup.diagrams.values())
+    if len(diags) > 1:
+        # collapse out duplicate diags with the same name
+        seen = set()
+        deduped_diags = []
+        for d in diags:
+            # don't extract SkipTo elements, they are uninformative as subdiagrams
+            if d.name == "...":
+                continue
+            if d.name is not None and d.name not in seen:
+                seen.add(d.name)
+                deduped_diags.append(d)
+        resolved = [resolve_partial(partial) for partial in deduped_diags]
+    else:
+        # special case - if just one diagram, always display it, even if
+        # it has no name
+        resolved = [resolve_partial(partial) for partial in diags]
+    return sorted(resolved, key=lambda diag: diag.index)
+
+
+def _should_vertical(
+    specification: int, exprs: Iterable[pyparsing.ParserElement]
+) -> bool:
+    """
+    Returns true if we should return a vertical list of elements
+    """
+    if specification is None:
+        return False
+    else:
+        return len(_visible_exprs(exprs)) >= specification
+
+
+class ElementState:
+    """
+    State recorded for an individual pyparsing Element
+    """
+
+    # Note: this should be a dataclass, but we have to support Python 3.5
+    def __init__(
+        self,
+        element: pyparsing.ParserElement,
+        converted: EditablePartial,
+        parent: EditablePartial,
+        number: int,
+        name: str = None,
+        parent_index: typing.Optional[int] = None,
+    ):
+        #: The pyparsing element that this represents
+        self.element: pyparsing.ParserElement = element
+        #: The name of the element
+        self.name: typing.Optional[str] = name
+        #: The output Railroad element in an unconverted state
+        self.converted: EditablePartial = converted
+        #: The parent Railroad element, which we store so that we can extract this if it's duplicated
+        self.parent: EditablePartial = parent
+        #: The order in which we found this element, used for sorting diagrams if this is extracted into a diagram
+        self.number: int = number
+        #: The index of this inside its parent
+        self.parent_index: typing.Optional[int] = parent_index
+        #: If true, we should extract this out into a subdiagram
+        self.extract: bool = False
+        #: If true, all of this element's children have been filled out
+        self.complete: bool = False
+
+    def mark_for_extraction(
+        self, el_id: int, state: "ConverterState", name: str = None, force: bool = False
+    ):
+        """
+        Called when this instance has been seen twice, and thus should eventually be extracted into a sub-diagram
+        :param el_id: id of the element
+        :param state: element/diagram state tracker
+        :param name: name to use for this element's text
+        :param force: If true, force extraction now, regardless of the state of this. Only useful for extracting the
+        root element when we know we're finished
+        """
+        self.extract = True
+
+        # Set the name
+        if not self.name:
+            if name:
+                # Allow forcing a custom name
+                self.name = name
+            elif self.element.customName:
+                self.name = self.element.customName
+            else:
+                self.name = ""
+
+        # Just because this is marked for extraction doesn't mean we can do it yet. We may have to wait for children
+        # to be added
+        # Also, if this is just a string literal etc, don't bother extracting it
+        if force or (self.complete and _worth_extracting(self.element)):
+            state.extract_into_diagram(el_id)
+
+
+class ConverterState:
+    """
+    Stores some state that persists between recursions into the element tree
+    """
+
+    def __init__(self, diagram_kwargs: typing.Optional[dict] = None):
+        #: A dictionary mapping ParserElements to state relating to them
+        self._element_diagram_states: Dict[int, ElementState] = {}
+        #: A dictionary mapping ParserElement IDs to subdiagrams generated from them
+        self.diagrams: Dict[int, EditablePartial[NamedDiagram]] = {}
+        #: The index of the next unnamed element
+        self.unnamed_index: int = 1
+        #: The index of the next element. This is used for sorting
+        self.index: int = 0
+        #: Shared kwargs that are used to customize the construction of diagrams
+        self.diagram_kwargs: dict = diagram_kwargs or {}
+        self.extracted_diagram_names: Set[str] = set()
+
+    def __setitem__(self, key: int, value: ElementState):
+        self._element_diagram_states[key] = value
+
+    def __getitem__(self, key: int) -> ElementState:
+        return self._element_diagram_states[key]
+
+    def __delitem__(self, key: int):
+        del self._element_diagram_states[key]
+
+    def __contains__(self, key: int):
+        return key in self._element_diagram_states
+
+    def generate_unnamed(self) -> int:
+        """
+        Generate a number used in the name of an otherwise unnamed diagram
+        """
+        self.unnamed_index += 1
+        return self.unnamed_index
+
+    def generate_index(self) -> int:
+        """
+        Generate a number used to index a diagram
+        """
+        self.index += 1
+        return self.index
+
+    def extract_into_diagram(self, el_id: int):
+        """
+        Used when we encounter the same token twice in the same tree. When this
+        happens, we replace all instances of that token with a terminal, and
+        create a new subdiagram for the token
+        """
+        position = self[el_id]
+
+        # Replace the original definition of this element with a regular block
+        if position.parent:
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=position.name)
+            if "item" in position.parent.kwargs:
+                position.parent.kwargs["item"] = ret
+            elif "items" in position.parent.kwargs:
+                position.parent.kwargs["items"][position.parent_index] = ret
+
+        # If the element we're extracting is a group, skip to its content but keep the title
+        if position.converted.func == railroad.Group:
+            content = position.converted.kwargs["item"]
+        else:
+            content = position.converted
+
+        self.diagrams[el_id] = EditablePartial.from_call(
+            NamedDiagram,
+            name=position.name,
+            diagram=EditablePartial.from_call(
+                railroad.Diagram, content, **self.diagram_kwargs
+            ),
+            index=position.number,
+        )
+
+        del self[el_id]
+
+
+def _worth_extracting(element: pyparsing.ParserElement) -> bool:
+    """
+    Returns true if this element is worth having its own sub-diagram. Simply, if any of its children
+    themselves have children, then its complex enough to extract
+    """
+    children = element.recurse()
+    return any(child.recurse() for child in children)
+
+
+def _apply_diagram_item_enhancements(fn):
+    """
+    decorator to ensure enhancements to a diagram item (such as results name annotations)
+    get applied on return from _to_diagram_element (we do this since there are several
+    returns in _to_diagram_element)
+    """
+
+    def _inner(
+        element: pyparsing.ParserElement,
+        parent: typing.Optional[EditablePartial],
+        lookup: ConverterState = None,
+        vertical: int = None,
+        index: int = 0,
+        name_hint: str = None,
+        show_results_names: bool = False,
+        show_groups: bool = False,
+    ) -> typing.Optional[EditablePartial]:
+
+        ret = fn(
+            element,
+            parent,
+            lookup,
+            vertical,
+            index,
+            name_hint,
+            show_results_names,
+            show_groups,
+        )
+
+        # apply annotation for results name, if present
+        if show_results_names and ret is not None:
+            element_results_name = element.resultsName
+            if element_results_name:
+                # add "*" to indicate if this is a "list all results" name
+                element_results_name += "" if element.modalResults else "*"
+                ret = EditablePartial.from_call(
+                    railroad.Group, item=ret, label=element_results_name
+                )
+
+        return ret
+
+    return _inner
+
+
+def _visible_exprs(exprs: Iterable[pyparsing.ParserElement]):
+    non_diagramming_exprs = (
+        pyparsing.ParseElementEnhance,
+        pyparsing.PositionToken,
+        pyparsing.And._ErrorStop,
+    )
+    return [
+        e
+        for e in exprs
+        if not (e.customName or e.resultsName or isinstance(e, non_diagramming_exprs))
+    ]
+
+
+@_apply_diagram_item_enhancements
+def _to_diagram_element(
+    element: pyparsing.ParserElement,
+    parent: typing.Optional[EditablePartial],
+    lookup: ConverterState = None,
+    vertical: int = None,
+    index: int = 0,
+    name_hint: str = None,
+    show_results_names: bool = False,
+    show_groups: bool = False,
+) -> typing.Optional[EditablePartial]:
+    """
+    Recursively converts a PyParsing Element to a railroad Element
+    :param lookup: The shared converter state that keeps track of useful things
+    :param index: The index of this element within the parent
+    :param parent: The parent of this element in the output tree
+    :param vertical: Controls at what point we make a list of elements vertical. If this is an integer (the default),
+    it sets the threshold of the number of items before we go vertical. If True, always go vertical, if False, never
+    do so
+    :param name_hint: If provided, this will override the generated name
+    :param show_results_names: bool flag indicating whether to add annotations for results names
+    :returns: The converted version of the input element, but as a Partial that hasn't yet been constructed
+    :param show_groups: bool flag indicating whether to show groups using bounding box
+    """
+    exprs = element.recurse()
+    name = name_hint or element.customName or element.__class__.__name__
+
+    # Python's id() is used to provide a unique identifier for elements
+    el_id = id(element)
+
+    element_results_name = element.resultsName
+
+    # Here we basically bypass processing certain wrapper elements if they contribute nothing to the diagram
+    if not element.customName:
+        if isinstance(
+            element,
+            (
+                # pyparsing.TokenConverter,
+                # pyparsing.Forward,
+                pyparsing.Located,
+            ),
+        ):
+            # However, if this element has a useful custom name, and its child does not, we can pass it on to the child
+            if exprs:
+                if not exprs[0].customName:
+                    propagated_name = name
+                else:
+                    propagated_name = None
+
+                return _to_diagram_element(
+                    element.expr,
+                    parent=parent,
+                    lookup=lookup,
+                    vertical=vertical,
+                    index=index,
+                    name_hint=propagated_name,
+                    show_results_names=show_results_names,
+                    show_groups=show_groups,
+                )
+
+    # If the element isn't worth extracting, we always treat it as the first time we say it
+    if _worth_extracting(element):
+        if el_id in lookup:
+            # If we've seen this element exactly once before, we are only just now finding out that it's a duplicate,
+            # so we have to extract it into a new diagram.
+            looked_up = lookup[el_id]
+            looked_up.mark_for_extraction(el_id, lookup, name=name_hint)
+            ret = EditablePartial.from_call(railroad.NonTerminal, text=looked_up.name)
+            return ret
+
+        elif el_id in lookup.diagrams:
+            # If we have seen the element at least twice before, and have already extracted it into a subdiagram, we
+            # just put in a marker element that refers to the sub-diagram
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+            return ret
+
+    # Recursively convert child elements
+    # Here we find the most relevant Railroad element for matching pyparsing Element
+    # We use ``items=[]`` here to hold the place for where the child elements will go once created
+    if isinstance(element, pyparsing.And):
+        # detect And's created with ``expr*N`` notation - for these use a OneOrMore with a repeat
+        # (all will have the same name, and resultsName)
+        if not exprs:
+            return None
+        if len(set((e.name, e.resultsName) for e in exprs)) == 1:
+            ret = EditablePartial.from_call(
+                railroad.OneOrMore, item="", repeat=str(len(exprs))
+            )
+        elif _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Stack, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif isinstance(element, (pyparsing.Or, pyparsing.MatchFirst)):
+        if not exprs:
+            return None
+        if _should_vertical(vertical, exprs):
+            ret = EditablePartial.from_call(railroad.Choice, 0, items=[])
+        else:
+            ret = EditablePartial.from_call(railroad.HorizontalChoice, items=[])
+    elif isinstance(element, pyparsing.Each):
+        if not exprs:
+            return None
+        ret = EditablePartial.from_call(EachItem, items=[])
+    elif isinstance(element, pyparsing.NotAny):
+        ret = EditablePartial.from_call(AnnotatedItem, label="NOT", item="")
+    elif isinstance(element, pyparsing.FollowedBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKAHEAD", item="")
+    elif isinstance(element, pyparsing.PrecededBy):
+        ret = EditablePartial.from_call(AnnotatedItem, label="LOOKBEHIND", item="")
+    elif isinstance(element, pyparsing.Group):
+        if show_groups:
+            ret = EditablePartial.from_call(AnnotatedItem, label="", item="")
+        else:
+            ret = EditablePartial.from_call(railroad.Group, label="", item="")
+    elif isinstance(element, pyparsing.TokenConverter):
+        ret = EditablePartial.from_call(
+            AnnotatedItem, label=type(element).__name__.lower(), item=""
+        )
+    elif isinstance(element, pyparsing.Opt):
+        ret = EditablePartial.from_call(railroad.Optional, item="")
+    elif isinstance(element, pyparsing.OneOrMore):
+        ret = EditablePartial.from_call(railroad.OneOrMore, item="")
+    elif isinstance(element, pyparsing.ZeroOrMore):
+        ret = EditablePartial.from_call(railroad.ZeroOrMore, item="")
+    elif isinstance(element, pyparsing.Group):
+        ret = EditablePartial.from_call(
+            railroad.Group, item=None, label=element_results_name
+        )
+    elif isinstance(element, pyparsing.Empty) and not element.customName:
+        # Skip unnamed "Empty" elements
+        ret = None
+    elif len(exprs) > 1:
+        ret = EditablePartial.from_call(railroad.Sequence, items=[])
+    elif len(exprs) > 0 and not element_results_name:
+        ret = EditablePartial.from_call(railroad.Group, item="", label=name)
+    else:
+        terminal = EditablePartial.from_call(railroad.Terminal, element.defaultName)
+        ret = terminal
+
+    if ret is None:
+        return
+
+    # Indicate this element's position in the tree so we can extract it if necessary
+    lookup[el_id] = ElementState(
+        element=element,
+        converted=ret,
+        parent=parent,
+        parent_index=index,
+        number=lookup.generate_index(),
+    )
+    if element.customName:
+        lookup[el_id].mark_for_extraction(el_id, lookup, element.customName)
+
+    i = 0
+    for expr in exprs:
+        # Add a placeholder index in case we have to extract the child before we even add it to the parent
+        if "items" in ret.kwargs:
+            ret.kwargs["items"].insert(i, None)
+
+        item = _to_diagram_element(
+            expr,
+            parent=ret,
+            lookup=lookup,
+            vertical=vertical,
+            index=i,
+            show_results_names=show_results_names,
+            show_groups=show_groups,
+        )
+
+        # Some elements don't need to be shown in the diagram
+        if item is not None:
+            if "item" in ret.kwargs:
+                ret.kwargs["item"] = item
+            elif "items" in ret.kwargs:
+                # If we've already extracted the child, don't touch this index, since it's occupied by a nonterminal
+                ret.kwargs["items"][i] = item
+                i += 1
+        elif "items" in ret.kwargs:
+            # If we're supposed to skip this element, remove it from the parent
+            del ret.kwargs["items"][i]
+
+    # If all this items children are none, skip this item
+    if ret and (
+        ("items" in ret.kwargs and len(ret.kwargs["items"]) == 0)
+        or ("item" in ret.kwargs and ret.kwargs["item"] is None)
+    ):
+        ret = EditablePartial.from_call(railroad.Terminal, name)
+
+    # Mark this element as "complete", ie it has all of its children
+    if el_id in lookup:
+        lookup[el_id].complete = True
+
+    if el_id in lookup and lookup[el_id].extract and lookup[el_id].complete:
+        lookup.extract_into_diagram(el_id)
+        if ret is not None:
+            ret = EditablePartial.from_call(
+                railroad.NonTerminal, text=lookup.diagrams[el_id].kwargs["name"]
+            )
+
+    return ret
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 00000000..f8d9fdee
Binary files /dev/null and b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/diagram/__pycache__/__init__.cpython-311.pyc differ
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/exceptions.py
new file mode 100644
index 00000000..a38447bb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/exceptions.py
@@ -0,0 +1,267 @@
+# exceptions.py
+
+import re
+import sys
+import typing
+
+from .util import col, line, lineno, _collapse_string_to_ranges
+from .unicode import pyparsing_unicode as ppu
+
+
+class ExceptionWordUnicode(ppu.Latin1, ppu.LatinA, ppu.LatinB, ppu.Greek, ppu.Cyrillic):
+    pass
+
+
+_extract_alphanums = _collapse_string_to_ranges(ExceptionWordUnicode.alphanums)
+_exception_word_extractor = re.compile("([" + _extract_alphanums + "]{1,16})|.")
+
+
+class ParseBaseException(Exception):
+    """base exception class for all parsing runtime exceptions"""
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self,
+        pstr: str,
+        loc: int = 0,
+        msg: typing.Optional[str] = None,
+        elem=None,
+    ):
+        self.loc = loc
+        if msg is None:
+            self.msg = pstr
+            self.pstr = ""
+        else:
+            self.msg = msg
+            self.pstr = pstr
+        self.parser_element = self.parserElement = elem
+        self.args = (pstr, loc, msg)
+
+    @staticmethod
+    def explain_exception(exc, depth=16):
+        """
+        Method to take an exception and translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - exc - exception raised during parsing (need not be a ParseException, in support
+          of Python exceptions that might be raised in a parse action)
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+        """
+        import inspect
+        from .core import ParserElement
+
+        if depth is None:
+            depth = sys.getrecursionlimit()
+        ret = []
+        if isinstance(exc, ParseBaseException):
+            ret.append(exc.line)
+            ret.append(" " * (exc.column - 1) + "^")
+        ret.append("{}: {}".format(type(exc).__name__, exc))
+
+        if depth > 0:
+            callers = inspect.getinnerframes(exc.__traceback__, context=depth)
+            seen = set()
+            for i, ff in enumerate(callers[-depth:]):
+                frm = ff[0]
+
+                f_self = frm.f_locals.get("self", None)
+                if isinstance(f_self, ParserElement):
+                    if frm.f_code.co_name not in ("parseImpl", "_parseNoCache"):
+                        continue
+                    if id(f_self) in seen:
+                        continue
+                    seen.add(id(f_self))
+
+                    self_type = type(f_self)
+                    ret.append(
+                        "{}.{} - {}".format(
+                            self_type.__module__, self_type.__name__, f_self
+                        )
+                    )
+
+                elif f_self is not None:
+                    self_type = type(f_self)
+                    ret.append("{}.{}".format(self_type.__module__, self_type.__name__))
+
+                else:
+                    code = frm.f_code
+                    if code.co_name in ("wrapper", "<module>"):
+                        continue
+
+                    ret.append("{}".format(code.co_name))
+
+                depth -= 1
+                if not depth:
+                    break
+
+        return "\n".join(ret)
+
+    @classmethod
+    def _from_exception(cls, pe):
+        """
+        internal factory method to simplify creating one type of ParseException
+        from another - avoids having __init__ signature conflicts among subclasses
+        """
+        return cls(pe.pstr, pe.loc, pe.msg, pe.parserElement)
+
+    @property
+    def line(self) -> str:
+        """
+        Return the line of text where the exception occurred.
+        """
+        return line(self.loc, self.pstr)
+
+    @property
+    def lineno(self) -> int:
+        """
+        Return the 1-based line number of text where the exception occurred.
+        """
+        return lineno(self.loc, self.pstr)
+
+    @property
+    def col(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    @property
+    def column(self) -> int:
+        """
+        Return the 1-based column on the line of text where the exception occurred.
+        """
+        return col(self.loc, self.pstr)
+
+    def __str__(self) -> str:
+        if self.pstr:
+            if self.loc >= len(self.pstr):
+                foundstr = ", found end of text"
+            else:
+                # pull out next word at error location
+                found_match = _exception_word_extractor.match(self.pstr, self.loc)
+                if found_match is not None:
+                    found = found_match.group(0)
+                else:
+                    found = self.pstr[self.loc : self.loc + 1]
+                foundstr = (", found %r" % found).replace(r"\\", "\\")
+        else:
+            foundstr = ""
+        return "{}{}  (at char {}), (line:{}, col:{})".format(
+            self.msg, foundstr, self.loc, self.lineno, self.column
+        )
+
+    def __repr__(self):
+        return str(self)
+
+    def mark_input_line(self, marker_string: str = None, *, markerString=">!<") -> str:
+        """
+        Extracts the exception line from the input string, and marks
+        the location of the exception with a special symbol.
+        """
+        markerString = marker_string if marker_string is not None else markerString
+        line_str = self.line
+        line_column = self.column - 1
+        if markerString:
+            line_str = "".join(
+                (line_str[:line_column], markerString, line_str[line_column:])
+            )
+        return line_str.strip()
+
+    def explain(self, depth=16) -> str:
+        """
+        Method to translate the Python internal traceback into a list
+        of the pyparsing expressions that caused the exception to be raised.
+
+        Parameters:
+
+        - depth (default=16) - number of levels back in the stack trace to list expression
+          and function names; if None, the full stack trace names will be listed; if 0, only
+          the failing input line, marker, and exception string will be shown
+
+        Returns a multi-line string listing the ParserElements and/or function names in the
+        exception's stack trace.
+
+        Example::
+
+            expr = pp.Word(pp.nums) * 3
+            try:
+                expr.parse_string("123 456 A789")
+            except pp.ParseException as pe:
+                print(pe.explain(depth=0))
+
+        prints::
+
+            123 456 A789
+                    ^
+            ParseException: Expected W:(0-9), found 'A'  (at char 8), (line:1, col:9)
+
+        Note: the diagnostic output will include string representations of the expressions
+        that failed to parse. These representations will be more helpful if you use `set_name` to
+        give identifiable names to your expressions. Otherwise they will use the default string
+        forms, which may be cryptic to read.
+
+        Note: pyparsing's default truncation of exception tracebacks may also truncate the
+        stack of expressions that are displayed in the ``explain`` output. To get the full listing
+        of parser expressions, you may have to set ``ParserElement.verbose_stacktrace = True``
+        """
+        return self.explain_exception(self, depth)
+
+    markInputline = mark_input_line
+
+
+class ParseException(ParseBaseException):
+    """
+    Exception thrown when a parse expression doesn't match the input string
+
+    Example::
+
+        try:
+            Word(nums).set_name("integer").parse_string("ABC")
+        except ParseException as pe:
+            print(pe)
+            print("column: {}".format(pe.column))
+
+    prints::
+
+       Expected integer (at char 0), (line:1, col:1)
+        column: 1
+
+    """
+
+
+class ParseFatalException(ParseBaseException):
+    """
+    User-throwable exception thrown when inconsistent parse content
+    is found; stops all parsing immediately
+    """
+
+
+class ParseSyntaxException(ParseFatalException):
+    """
+    Just like :class:`ParseFatalException`, but thrown internally
+    when an :class:`ErrorStop<And._ErrorStop>` ('-' operator) indicates
+    that parsing is to stop immediately because an unbacktrackable
+    syntax error has been found.
+    """
+
+
+class RecursiveGrammarException(Exception):
+    """
+    Exception thrown by :class:`ParserElement.validate` if the
+    grammar could be left-recursive; parser may need to enable
+    left recursion using :class:`ParserElement.enable_left_recursion<ParserElement.enable_left_recursion>`
+    """
+
+    def __init__(self, parseElementList):
+        self.parseElementTrace = parseElementList
+
+    def __str__(self) -> str:
+        return "RecursiveGrammarException: {}".format(self.parseElementTrace)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/helpers.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/helpers.py
new file mode 100644
index 00000000..9588b3b7
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/helpers.py
@@ -0,0 +1,1088 @@
+# helpers.py
+import html.entities
+import re
+import typing
+
+from . import __diag__
+from .core import *
+from .util import _bslash, _flatten, _escape_regex_range_chars
+
+
+#
+# global helpers
+#
+def delimited_list(
+    expr: Union[str, ParserElement],
+    delim: Union[str, ParserElement] = ",",
+    combine: bool = False,
+    min: typing.Optional[int] = None,
+    max: typing.Optional[int] = None,
+    *,
+    allow_trailing_delim: bool = False,
+) -> ParserElement:
+    """Helper to define a delimited list of expressions - the delimiter
+    defaults to ','. By default, the list elements and delimiters can
+    have intervening whitespace, and comments, but this can be
+    overridden by passing ``combine=True`` in the constructor. If
+    ``combine`` is set to ``True``, the matching tokens are
+    returned as a single token string, with the delimiters included;
+    otherwise, the matching tokens are returned as a list of tokens,
+    with the delimiters suppressed.
+
+    If ``allow_trailing_delim`` is set to True, then the list may end with
+    a delimiter.
+
+    Example::
+
+        delimited_list(Word(alphas)).parse_string("aa,bb,cc") # -> ['aa', 'bb', 'cc']
+        delimited_list(Word(hexnums), delim=':', combine=True).parse_string("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE']
+    """
+    if isinstance(expr, str_type):
+        expr = ParserElement._literalStringClass(expr)
+
+    dlName = "{expr} [{delim} {expr}]...{end}".format(
+        expr=str(expr.copy().streamline()),
+        delim=str(delim),
+        end=" [{}]".format(str(delim)) if allow_trailing_delim else "",
+    )
+
+    if not combine:
+        delim = Suppress(delim)
+
+    if min is not None:
+        if min < 1:
+            raise ValueError("min must be greater than 0")
+        min -= 1
+    if max is not None:
+        if min is not None and max <= min:
+            raise ValueError("max must be greater than, or equal to min")
+        max -= 1
+    delimited_list_expr = expr + (delim + expr)[min, max]
+
+    if allow_trailing_delim:
+        delimited_list_expr += Opt(delim)
+
+    if combine:
+        return Combine(delimited_list_expr).set_name(dlName)
+    else:
+        return delimited_list_expr.set_name(dlName)
+
+
+def counted_array(
+    expr: ParserElement,
+    int_expr: typing.Optional[ParserElement] = None,
+    *,
+    intExpr: typing.Optional[ParserElement] = None,
+) -> ParserElement:
+    """Helper to define a counted list of expressions.
+
+    This helper defines a pattern of the form::
+
+        integer expr expr expr...
+
+    where the leading integer tells how many expr expressions follow.
+    The matched tokens returns the array of expr tokens as a list - the
+    leading count token is suppressed.
+
+    If ``int_expr`` is specified, it should be a pyparsing expression
+    that produces an integer value.
+
+    Example::
+
+        counted_array(Word(alphas)).parse_string('2 ab cd ef')  # -> ['ab', 'cd']
+
+        # in this parser, the leading integer value is given in binary,
+        # '10' indicating that 2 values are in the array
+        binary_constant = Word('01').set_parse_action(lambda t: int(t[0], 2))
+        counted_array(Word(alphas), int_expr=binary_constant).parse_string('10 ab cd ef')  # -> ['ab', 'cd']
+
+        # if other fields must be parsed after the count but before the
+        # list items, give the fields results names and they will
+        # be preserved in the returned ParseResults:
+        count_with_metadata = integer + Word(alphas)("type")
+        typed_array = counted_array(Word(alphanums), int_expr=count_with_metadata)("items")
+        result = typed_array.parse_string("3 bool True True False")
+        print(result.dump())
+
+        # prints
+        # ['True', 'True', 'False']
+        # - items: ['True', 'True', 'False']
+        # - type: 'bool'
+    """
+    intExpr = intExpr or int_expr
+    array_expr = Forward()
+
+    def count_field_parse_action(s, l, t):
+        nonlocal array_expr
+        n = t[0]
+        array_expr <<= (expr * n) if n else Empty()
+        # clear list contents, but keep any named results
+        del t[:]
+
+    if intExpr is None:
+        intExpr = Word(nums).set_parse_action(lambda t: int(t[0]))
+    else:
+        intExpr = intExpr.copy()
+    intExpr.set_name("arrayLen")
+    intExpr.add_parse_action(count_field_parse_action, call_during_try=True)
+    return (intExpr + array_expr).set_name("(len) " + str(expr) + "...")
+
+
+def match_previous_literal(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_literal(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches a previous literal, will also match the leading
+    ``"1:1"`` in ``"1:10"``. If this is not desired, use
+    :class:`match_previous_expr`. Do *not* use with packrat parsing
+    enabled.
+    """
+    rep = Forward()
+
+    def copy_token_to_repeater(s, l, t):
+        if t:
+            if len(t) == 1:
+                rep << t[0]
+            else:
+                # flatten t tokens
+                tflat = _flatten(t.as_list())
+                rep << And(Literal(tt) for tt in tflat)
+        else:
+            rep << Empty()
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def match_previous_expr(expr: ParserElement) -> ParserElement:
+    """Helper to define an expression that is indirectly defined from
+    the tokens matched in a previous expression, that is, it looks for
+    a 'repeat' of a previous expression.  For example::
+
+        first = Word(nums)
+        second = match_previous_expr(first)
+        match_expr = first + ":" + second
+
+    will match ``"1:1"``, but not ``"1:2"``.  Because this
+    matches by expressions, will *not* match the leading ``"1:1"``
+    in ``"1:10"``; the expressions are evaluated first, and then
+    compared, so ``"1"`` is compared with ``"10"``. Do *not* use
+    with packrat parsing enabled.
+    """
+    rep = Forward()
+    e2 = expr.copy()
+    rep <<= e2
+
+    def copy_token_to_repeater(s, l, t):
+        matchTokens = _flatten(t.as_list())
+
+        def must_match_these_tokens(s, l, t):
+            theseTokens = _flatten(t.as_list())
+            if theseTokens != matchTokens:
+                raise ParseException(
+                    s, l, "Expected {}, found{}".format(matchTokens, theseTokens)
+                )
+
+        rep.set_parse_action(must_match_these_tokens, callDuringTry=True)
+
+    expr.add_parse_action(copy_token_to_repeater, callDuringTry=True)
+    rep.set_name("(prev) " + str(expr))
+    return rep
+
+
+def one_of(
+    strs: Union[typing.Iterable[str], str],
+    caseless: bool = False,
+    use_regex: bool = True,
+    as_keyword: bool = False,
+    *,
+    useRegex: bool = True,
+    asKeyword: bool = False,
+) -> ParserElement:
+    """Helper to quickly define a set of alternative :class:`Literal` s,
+    and makes sure to do longest-first testing when there is a conflict,
+    regardless of the input order, but returns
+    a :class:`MatchFirst` for best performance.
+
+    Parameters:
+
+    - ``strs`` - a string of space-delimited literals, or a collection of
+      string literals
+    - ``caseless`` - treat all literals as caseless - (default= ``False``)
+    - ``use_regex`` - as an optimization, will
+      generate a :class:`Regex` object; otherwise, will generate
+      a :class:`MatchFirst` object (if ``caseless=True`` or ``asKeyword=True``, or if
+      creating a :class:`Regex` raises an exception) - (default= ``True``)
+    - ``as_keyword`` - enforce :class:`Keyword`-style matching on the
+      generated expressions - (default= ``False``)
+    - ``asKeyword`` and ``useRegex`` are retained for pre-PEP8 compatibility,
+      but will be removed in a future release
+
+    Example::
+
+        comp_oper = one_of("< = > <= >= !=")
+        var = Word(alphas)
+        number = Word(nums)
+        term = var | number
+        comparison_expr = term + comp_oper + term
+        print(comparison_expr.search_string("B = 12  AA=23 B<=AA AA>12"))
+
+    prints::
+
+        [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']]
+    """
+    asKeyword = asKeyword or as_keyword
+    useRegex = useRegex and use_regex
+
+    if (
+        isinstance(caseless, str_type)
+        and __diag__.warn_on_multiple_string_args_to_oneof
+    ):
+        warnings.warn(
+            "More than one string argument passed to one_of, pass"
+            " choices as a list or space-delimited string",
+            stacklevel=2,
+        )
+
+    if caseless:
+        isequal = lambda a, b: a.upper() == b.upper()
+        masks = lambda a, b: b.upper().startswith(a.upper())
+        parseElementClass = CaselessKeyword if asKeyword else CaselessLiteral
+    else:
+        isequal = lambda a, b: a == b
+        masks = lambda a, b: b.startswith(a)
+        parseElementClass = Keyword if asKeyword else Literal
+
+    symbols: List[str] = []
+    if isinstance(strs, str_type):
+        symbols = strs.split()
+    elif isinstance(strs, Iterable):
+        symbols = list(strs)
+    else:
+        raise TypeError("Invalid argument to one_of, expected string or iterable")
+    if not symbols:
+        return NoMatch()
+
+    # reorder given symbols to take care to avoid masking longer choices with shorter ones
+    # (but only if the given symbols are not just single characters)
+    if any(len(sym) > 1 for sym in symbols):
+        i = 0
+        while i < len(symbols) - 1:
+            cur = symbols[i]
+            for j, other in enumerate(symbols[i + 1 :]):
+                if isequal(other, cur):
+                    del symbols[i + j + 1]
+                    break
+                elif masks(cur, other):
+                    del symbols[i + j + 1]
+                    symbols.insert(i, other)
+                    break
+            else:
+                i += 1
+
+    if useRegex:
+        re_flags: int = re.IGNORECASE if caseless else 0
+
+        try:
+            if all(len(sym) == 1 for sym in symbols):
+                # symbols are just single characters, create range regex pattern
+                patt = "[{}]".format(
+                    "".join(_escape_regex_range_chars(sym) for sym in symbols)
+                )
+            else:
+                patt = "|".join(re.escape(sym) for sym in symbols)
+
+            # wrap with \b word break markers if defining as keywords
+            if asKeyword:
+                patt = r"\b(?:{})\b".format(patt)
+
+            ret = Regex(patt, flags=re_flags).set_name(" | ".join(symbols))
+
+            if caseless:
+                # add parse action to return symbols as specified, not in random
+                # casing as found in input string
+                symbol_map = {sym.lower(): sym for sym in symbols}
+                ret.add_parse_action(lambda s, l, t: symbol_map[t[0].lower()])
+
+            return ret
+
+        except re.error:
+            warnings.warn(
+                "Exception creating Regex for one_of, building MatchFirst", stacklevel=2
+            )
+
+    # last resort, just use MatchFirst
+    return MatchFirst(parseElementClass(sym) for sym in symbols).set_name(
+        " | ".join(symbols)
+    )
+
+
+def dict_of(key: ParserElement, value: ParserElement) -> ParserElement:
+    """Helper to easily and clearly define a dictionary by specifying
+    the respective patterns for the key and value.  Takes care of
+    defining the :class:`Dict`, :class:`ZeroOrMore`, and
+    :class:`Group` tokens in the proper order.  The key pattern
+    can include delimiting markers or punctuation, as long as they are
+    suppressed, thereby leaving the significant key text.  The value
+    pattern can include named results, so that the :class:`Dict` results
+    can include named token fields.
+
+    Example::
+
+        text = "shape: SQUARE posn: upper left color: light blue texture: burlap"
+        attr_expr = (label + Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join))
+        print(attr_expr[1, ...].parse_string(text).dump())
+
+        attr_label = label
+        attr_value = Suppress(':') + OneOrMore(data_word, stop_on=label).set_parse_action(' '.join)
+
+        # similar to Dict, but simpler call format
+        result = dict_of(attr_label, attr_value).parse_string(text)
+        print(result.dump())
+        print(result['shape'])
+        print(result.shape)  # object attribute access works too
+        print(result.as_dict())
+
+    prints::
+
+        [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']]
+        - color: 'light blue'
+        - posn: 'upper left'
+        - shape: 'SQUARE'
+        - texture: 'burlap'
+        SQUARE
+        SQUARE
+        {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'}
+    """
+    return Dict(OneOrMore(Group(key + value)))
+
+
+def original_text_for(
+    expr: ParserElement, as_string: bool = True, *, asString: bool = True
+) -> ParserElement:
+    """Helper to return the original, untokenized text for a given
+    expression.  Useful to restore the parsed fields of an HTML start
+    tag into the raw tag text itself, or to revert separate tokens with
+    intervening whitespace back to the original matching input text. By
+    default, returns astring containing the original parsed text.
+
+    If the optional ``as_string`` argument is passed as
+    ``False``, then the return value is
+    a :class:`ParseResults` containing any results names that
+    were originally matched, and a single token containing the original
+    matched text from the input string.  So if the expression passed to
+    :class:`original_text_for` contains expressions with defined
+    results names, you must set ``as_string`` to ``False`` if you
+    want to preserve those results name values.
+
+    The ``asString`` pre-PEP8 argument is retained for compatibility,
+    but will be removed in a future release.
+
+    Example::
+
+        src = "this is test <b> bold <i>text</i> </b> normal text "
+        for tag in ("b", "i"):
+            opener, closer = make_html_tags(tag)
+            patt = original_text_for(opener + SkipTo(closer) + closer)
+            print(patt.search_string(src)[0])
+
+    prints::
+
+        ['<b> bold <i>text</i> </b>']
+        ['<i>text</i>']
+    """
+    asString = asString and as_string
+
+    locMarker = Empty().set_parse_action(lambda s, loc, t: loc)
+    endlocMarker = locMarker.copy()
+    endlocMarker.callPreparse = False
+    matchExpr = locMarker("_original_start") + expr + endlocMarker("_original_end")
+    if asString:
+        extractText = lambda s, l, t: s[t._original_start : t._original_end]
+    else:
+
+        def extractText(s, l, t):
+            t[:] = [s[t.pop("_original_start") : t.pop("_original_end")]]
+
+    matchExpr.set_parse_action(extractText)
+    matchExpr.ignoreExprs = expr.ignoreExprs
+    matchExpr.suppress_warning(Diagnostics.warn_ungrouped_named_tokens_in_collection)
+    return matchExpr
+
+
+def ungroup(expr: ParserElement) -> ParserElement:
+    """Helper to undo pyparsing's default grouping of And expressions,
+    even if all but one are non-empty.
+    """
+    return TokenConverter(expr).add_parse_action(lambda t: t[0])
+
+
+def locatedExpr(expr: ParserElement) -> ParserElement:
+    """
+    (DEPRECATED - future code should use the Located class)
+    Helper to decorate a returned token with its starting and ending
+    locations in the input string.
+
+    This helper adds the following results names:
+
+    - ``locn_start`` - location where matched expression begins
+    - ``locn_end`` - location where matched expression ends
+    - ``value`` - the actual parsed results
+
+    Be careful if the input text contains ``<TAB>`` characters, you
+    may want to call :class:`ParserElement.parseWithTabs`
+
+    Example::
+
+        wd = Word(alphas)
+        for match in locatedExpr(wd).searchString("ljsdf123lksdjjf123lkkjj1222"):
+            print(match)
+
+    prints::
+
+        [[0, 'ljsdf', 5]]
+        [[8, 'lksdjjf', 15]]
+        [[18, 'lkkjj', 23]]
+    """
+    locator = Empty().set_parse_action(lambda ss, ll, tt: ll)
+    return Group(
+        locator("locn_start")
+        + expr("value")
+        + locator.copy().leaveWhitespace()("locn_end")
+    )
+
+
+def nested_expr(
+    opener: Union[str, ParserElement] = "(",
+    closer: Union[str, ParserElement] = ")",
+    content: typing.Optional[ParserElement] = None,
+    ignore_expr: ParserElement = quoted_string(),
+    *,
+    ignoreExpr: ParserElement = quoted_string(),
+) -> ParserElement:
+    """Helper method for defining nested lists enclosed in opening and
+    closing delimiters (``"("`` and ``")"`` are the default).
+
+    Parameters:
+    - ``opener`` - opening character for a nested list
+      (default= ``"("``); can also be a pyparsing expression
+    - ``closer`` - closing character for a nested list
+      (default= ``")"``); can also be a pyparsing expression
+    - ``content`` - expression for items within the nested lists
+      (default= ``None``)
+    - ``ignore_expr`` - expression for ignoring opening and closing delimiters
+      (default= :class:`quoted_string`)
+    - ``ignoreExpr`` - this pre-PEP8 argument is retained for compatibility
+      but will be removed in a future release
+
+    If an expression is not provided for the content argument, the
+    nested expression will capture all whitespace-delimited content
+    between delimiters as a list of separate values.
+
+    Use the ``ignore_expr`` argument to define expressions that may
+    contain opening or closing characters that should not be treated as
+    opening or closing characters for nesting, such as quoted_string or
+    a comment expression.  Specify multiple expressions using an
+    :class:`Or` or :class:`MatchFirst`. The default is
+    :class:`quoted_string`, but if no expressions are to be ignored, then
+    pass ``None`` for this argument.
+
+    Example::
+
+        data_type = one_of("void int short long char float double")
+        decl_data_type = Combine(data_type + Opt(Word('*')))
+        ident = Word(alphas+'_', alphanums+'_')
+        number = pyparsing_common.number
+        arg = Group(decl_data_type + ident)
+        LPAR, RPAR = map(Suppress, "()")
+
+        code_body = nested_expr('{', '}', ignore_expr=(quoted_string | c_style_comment))
+
+        c_function = (decl_data_type("type")
+                      + ident("name")
+                      + LPAR + Opt(delimited_list(arg), [])("args") + RPAR
+                      + code_body("body"))
+        c_function.ignore(c_style_comment)
+
+        source_code = '''
+            int is_odd(int x) {
+                return (x%2);
+            }
+
+            int dec_to_hex(char hchar) {
+                if (hchar >= '0' && hchar <= '9') {
+                    return (ord(hchar)-ord('0'));
+                } else {
+                    return (10+ord(hchar)-ord('A'));
+                }
+            }
+        '''
+        for func in c_function.search_string(source_code):
+            print("%(name)s (%(type)s) args: %(args)s" % func)
+
+
+    prints::
+
+        is_odd (int) args: [['int', 'x']]
+        dec_to_hex (int) args: [['char', 'hchar']]
+    """
+    if ignoreExpr != ignore_expr:
+        ignoreExpr = ignore_expr if ignoreExpr == quoted_string() else ignoreExpr
+    if opener == closer:
+        raise ValueError("opening and closing strings cannot be the same")
+    if content is None:
+        if isinstance(opener, str_type) and isinstance(closer, str_type):
+            if len(opener) == 1 and len(closer) == 1:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + CharsNotIn(
+                                opener + closer + ParserElement.DEFAULT_WHITE_CHARS,
+                                exact=1,
+                            )
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = empty.copy() + CharsNotIn(
+                        opener + closer + ParserElement.DEFAULT_WHITE_CHARS
+                    ).set_parse_action(lambda t: t[0].strip())
+            else:
+                if ignoreExpr is not None:
+                    content = Combine(
+                        OneOrMore(
+                            ~ignoreExpr
+                            + ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+                else:
+                    content = Combine(
+                        OneOrMore(
+                            ~Literal(opener)
+                            + ~Literal(closer)
+                            + CharsNotIn(ParserElement.DEFAULT_WHITE_CHARS, exact=1)
+                        )
+                    ).set_parse_action(lambda t: t[0].strip())
+        else:
+            raise ValueError(
+                "opening and closing arguments must be strings if no content expression is given"
+            )
+    ret = Forward()
+    if ignoreExpr is not None:
+        ret <<= Group(
+            Suppress(opener) + ZeroOrMore(ignoreExpr | ret | content) + Suppress(closer)
+        )
+    else:
+        ret <<= Group(Suppress(opener) + ZeroOrMore(ret | content) + Suppress(closer))
+    ret.set_name("nested %s%s expression" % (opener, closer))
+    return ret
+
+
+def _makeTags(tagStr, xml, suppress_LT=Suppress("<"), suppress_GT=Suppress(">")):
+    """Internal helper to construct opening and closing tag expressions, given a tag name"""
+    if isinstance(tagStr, str_type):
+        resname = tagStr
+        tagStr = Keyword(tagStr, caseless=not xml)
+    else:
+        resname = tagStr.name
+
+    tagAttrName = Word(alphas, alphanums + "_-:")
+    if xml:
+        tagAttrValue = dbl_quoted_string.copy().set_parse_action(remove_quotes)
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(ZeroOrMore(Group(tagAttrName + Suppress("=") + tagAttrValue)))
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    else:
+        tagAttrValue = quoted_string.copy().set_parse_action(remove_quotes) | Word(
+            printables, exclude_chars=">"
+        )
+        openTag = (
+            suppress_LT
+            + tagStr("tag")
+            + Dict(
+                ZeroOrMore(
+                    Group(
+                        tagAttrName.set_parse_action(lambda t: t[0].lower())
+                        + Opt(Suppress("=") + tagAttrValue)
+                    )
+                )
+            )
+            + Opt("/", default=[False])("empty").set_parse_action(
+                lambda s, l, t: t[0] == "/"
+            )
+            + suppress_GT
+        )
+    closeTag = Combine(Literal("</") + tagStr + ">", adjacent=False)
+
+    openTag.set_name("<%s>" % resname)
+    # add start<tagname> results name in parse action now that ungrouped names are not reported at two levels
+    openTag.add_parse_action(
+        lambda t: t.__setitem__(
+            "start" + "".join(resname.replace(":", " ").title().split()), t.copy()
+        )
+    )
+    closeTag = closeTag(
+        "end" + "".join(resname.replace(":", " ").title().split())
+    ).set_name("</%s>" % resname)
+    openTag.tag = resname
+    closeTag.tag = resname
+    openTag.tag_body = SkipTo(closeTag())
+    return openTag, closeTag
+
+
+def make_html_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for HTML,
+    given a tag name. Matches tags in either upper or lower case,
+    attributes with namespaces and with quoted or unquoted values.
+
+    Example::
+
+        text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>'
+        # make_html_tags returns pyparsing expressions for the opening and
+        # closing tags as a 2-tuple
+        a, a_end = make_html_tags("A")
+        link_expr = a + SkipTo(a_end)("link_text") + a_end
+
+        for link in link_expr.search_string(text):
+            # attributes in the <A> tag (like "href" shown here) are
+            # also accessible as named results
+            print(link.link_text, '->', link.href)
+
+    prints::
+
+        pyparsing -> https://github.com/pyparsing/pyparsing/wiki
+    """
+    return _makeTags(tag_str, False)
+
+
+def make_xml_tags(
+    tag_str: Union[str, ParserElement]
+) -> Tuple[ParserElement, ParserElement]:
+    """Helper to construct opening and closing tag expressions for XML,
+    given a tag name. Matches tags only in the given upper/lower case.
+
+    Example: similar to :class:`make_html_tags`
+    """
+    return _makeTags(tag_str, True)
+
+
+any_open_tag: ParserElement
+any_close_tag: ParserElement
+any_open_tag, any_close_tag = make_html_tags(
+    Word(alphas, alphanums + "_:").set_name("any tag")
+)
+
+_htmlEntityMap = {k.rstrip(";"): v for k, v in html.entities.html5.items()}
+common_html_entity = Regex("&(?P<entity>" + "|".join(_htmlEntityMap) + ");").set_name(
+    "common HTML entity"
+)
+
+
+def replace_html_entity(t):
+    """Helper parser action to replace common HTML entities with their special characters"""
+    return _htmlEntityMap.get(t.entity)
+
+
+class OpAssoc(Enum):
+    LEFT = 1
+    RIGHT = 2
+
+
+InfixNotationOperatorArgType = Union[
+    ParserElement, str, Tuple[Union[ParserElement, str], Union[ParserElement, str]]
+]
+InfixNotationOperatorSpec = Union[
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+        typing.Optional[ParseAction],
+    ],
+    Tuple[
+        InfixNotationOperatorArgType,
+        int,
+        OpAssoc,
+    ],
+]
+
+
+def infix_notation(
+    base_expr: ParserElement,
+    op_list: List[InfixNotationOperatorSpec],
+    lpar: Union[str, ParserElement] = Suppress("("),
+    rpar: Union[str, ParserElement] = Suppress(")"),
+) -> ParserElement:
+    """Helper method for constructing grammars of expressions made up of
+    operators working in a precedence hierarchy.  Operators may be unary
+    or binary, left- or right-associative.  Parse actions can also be
+    attached to operator expressions. The generated parser will also
+    recognize the use of parentheses to override operator precedences
+    (see example below).
+
+    Note: if you define a deep operator list, you may see performance
+    issues when using infix_notation. See
+    :class:`ParserElement.enable_packrat` for a mechanism to potentially
+    improve your parser performance.
+
+    Parameters:
+    - ``base_expr`` - expression representing the most basic operand to
+      be used in the expression
+    - ``op_list`` - list of tuples, one for each operator precedence level
+      in the expression grammar; each tuple is of the form ``(op_expr,
+      num_operands, right_left_assoc, (optional)parse_action)``, where:
+
+      - ``op_expr`` is the pyparsing expression for the operator; may also
+        be a string, which will be converted to a Literal; if ``num_operands``
+        is 3, ``op_expr`` is a tuple of two expressions, for the two
+        operators separating the 3 terms
+      - ``num_operands`` is the number of terms for this operator (must be 1,
+        2, or 3)
+      - ``right_left_assoc`` is the indicator whether the operator is right
+        or left associative, using the pyparsing-defined constants
+        ``OpAssoc.RIGHT`` and ``OpAssoc.LEFT``.
+      - ``parse_action`` is the parse action to be associated with
+        expressions matching this operator expression (the parse action
+        tuple member may be omitted); if the parse action is passed
+        a tuple or list of functions, this is equivalent to calling
+        ``set_parse_action(*fn)``
+        (:class:`ParserElement.set_parse_action`)
+    - ``lpar`` - expression for matching left-parentheses; if passed as a
+      str, then will be parsed as Suppress(lpar). If lpar is passed as
+      an expression (such as ``Literal('(')``), then it will be kept in
+      the parsed results, and grouped with them. (default= ``Suppress('(')``)
+    - ``rpar`` - expression for matching right-parentheses; if passed as a
+      str, then will be parsed as Suppress(rpar). If rpar is passed as
+      an expression (such as ``Literal(')')``), then it will be kept in
+      the parsed results, and grouped with them. (default= ``Suppress(')')``)
+
+    Example::
+
+        # simple example of four-function arithmetic with ints and
+        # variable names
+        integer = pyparsing_common.signed_integer
+        varname = pyparsing_common.identifier
+
+        arith_expr = infix_notation(integer | varname,
+            [
+            ('-', 1, OpAssoc.RIGHT),
+            (one_of('* /'), 2, OpAssoc.LEFT),
+            (one_of('+ -'), 2, OpAssoc.LEFT),
+            ])
+
+        arith_expr.run_tests('''
+            5+3*6
+            (5+3)*6
+            -2--11
+            ''', full_dump=False)
+
+    prints::
+
+        5+3*6
+        [[5, '+', [3, '*', 6]]]
+
+        (5+3)*6
+        [[[5, '+', 3], '*', 6]]
+
+        -2--11
+        [[['-', 2], '-', ['-', 11]]]
+    """
+    # captive version of FollowedBy that does not do parse actions or capture results names
+    class _FB(FollowedBy):
+        def parseImpl(self, instring, loc, doActions=True):
+            self.expr.try_parse(instring, loc)
+            return loc, []
+
+    _FB.__name__ = "FollowedBy>"
+
+    ret = Forward()
+    if isinstance(lpar, str):
+        lpar = Suppress(lpar)
+    if isinstance(rpar, str):
+        rpar = Suppress(rpar)
+
+    # if lpar and rpar are not suppressed, wrap in group
+    if not (isinstance(rpar, Suppress) and isinstance(rpar, Suppress)):
+        lastExpr = base_expr | Group(lpar + ret + rpar)
+    else:
+        lastExpr = base_expr | (lpar + ret + rpar)
+
+    for i, operDef in enumerate(op_list):
+        opExpr, arity, rightLeftAssoc, pa = (operDef + (None,))[:4]
+        if isinstance(opExpr, str_type):
+            opExpr = ParserElement._literalStringClass(opExpr)
+        if arity == 3:
+            if not isinstance(opExpr, (tuple, list)) or len(opExpr) != 2:
+                raise ValueError(
+                    "if numterms=3, opExpr must be a tuple or list of two expressions"
+                )
+            opExpr1, opExpr2 = opExpr
+            term_name = "{}{} term".format(opExpr1, opExpr2)
+        else:
+            term_name = "{} term".format(opExpr)
+
+        if not 1 <= arity <= 3:
+            raise ValueError("operator must be unary (1), binary (2), or ternary (3)")
+
+        if rightLeftAssoc not in (OpAssoc.LEFT, OpAssoc.RIGHT):
+            raise ValueError("operator must indicate right or left associativity")
+
+        thisExpr: Forward = Forward().set_name(term_name)
+        if rightLeftAssoc is OpAssoc.LEFT:
+            if arity == 1:
+                matchExpr = _FB(lastExpr + opExpr) + Group(lastExpr + opExpr[1, ...])
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + lastExpr) + Group(
+                        lastExpr + (opExpr + lastExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + lastExpr) + Group(lastExpr[2, ...])
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + lastExpr + opExpr2 + lastExpr
+                ) + Group(lastExpr + OneOrMore(opExpr1 + lastExpr + opExpr2 + lastExpr))
+        elif rightLeftAssoc is OpAssoc.RIGHT:
+            if arity == 1:
+                # try to avoid LR with this extra test
+                if not isinstance(opExpr, Opt):
+                    opExpr = Opt(opExpr)
+                matchExpr = _FB(opExpr.expr + thisExpr) + Group(opExpr + thisExpr)
+            elif arity == 2:
+                if opExpr is not None:
+                    matchExpr = _FB(lastExpr + opExpr + thisExpr) + Group(
+                        lastExpr + (opExpr + thisExpr)[1, ...]
+                    )
+                else:
+                    matchExpr = _FB(lastExpr + thisExpr) + Group(
+                        lastExpr + thisExpr[1, ...]
+                    )
+            elif arity == 3:
+                matchExpr = _FB(
+                    lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr
+                ) + Group(lastExpr + opExpr1 + thisExpr + opExpr2 + thisExpr)
+        if pa:
+            if isinstance(pa, (tuple, list)):
+                matchExpr.set_parse_action(*pa)
+            else:
+                matchExpr.set_parse_action(pa)
+        thisExpr <<= (matchExpr | lastExpr).setName(term_name)
+        lastExpr = thisExpr
+    ret <<= lastExpr
+    return ret
+
+
+def indentedBlock(blockStatementExpr, indentStack, indent=True, backup_stacks=[]):
+    """
+    (DEPRECATED - use IndentedBlock class instead)
+    Helper method for defining space-delimited indentation blocks,
+    such as those used to define block statements in Python source code.
+
+    Parameters:
+
+    - ``blockStatementExpr`` - expression defining syntax of statement that
+      is repeated within the indented block
+    - ``indentStack`` - list created by caller to manage indentation stack
+      (multiple ``statementWithIndentedBlock`` expressions within a single
+      grammar should share a common ``indentStack``)
+    - ``indent`` - boolean indicating whether block must be indented beyond
+      the current level; set to ``False`` for block of left-most statements
+      (default= ``True``)
+
+    A valid block must contain at least one ``blockStatement``.
+
+    (Note that indentedBlock uses internal parse actions which make it
+    incompatible with packrat parsing.)
+
+    Example::
+
+        data = '''
+        def A(z):
+          A1
+          B = 100
+          G = A2
+          A2
+          A3
+        B
+        def BB(a,b,c):
+          BB1
+          def BBA():
+            bba1
+            bba2
+            bba3
+        C
+        D
+        def spam(x,y):
+             def eggs(z):
+                 pass
+        '''
+
+
+        indentStack = [1]
+        stmt = Forward()
+
+        identifier = Word(alphas, alphanums)
+        funcDecl = ("def" + identifier + Group("(" + Opt(delimitedList(identifier)) + ")") + ":")
+        func_body = indentedBlock(stmt, indentStack)
+        funcDef = Group(funcDecl + func_body)
+
+        rvalue = Forward()
+        funcCall = Group(identifier + "(" + Opt(delimitedList(rvalue)) + ")")
+        rvalue << (funcCall | identifier | Word(nums))
+        assignment = Group(identifier + "=" + rvalue)
+        stmt << (funcDef | assignment | identifier)
+
+        module_body = stmt[1, ...]
+
+        parseTree = module_body.parseString(data)
+        parseTree.pprint()
+
+    prints::
+
+        [['def',
+          'A',
+          ['(', 'z', ')'],
+          ':',
+          [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]],
+         'B',
+         ['def',
+          'BB',
+          ['(', 'a', 'b', 'c', ')'],
+          ':',
+          [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]],
+         'C',
+         'D',
+         ['def',
+          'spam',
+          ['(', 'x', 'y', ')'],
+          ':',
+          [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]]
+    """
+    backup_stacks.append(indentStack[:])
+
+    def reset_stack():
+        indentStack[:] = backup_stacks[-1]
+
+    def checkPeerIndent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if curCol != indentStack[-1]:
+            if curCol > indentStack[-1]:
+                raise ParseException(s, l, "illegal nesting")
+            raise ParseException(s, l, "not a peer entry")
+
+    def checkSubIndent(s, l, t):
+        curCol = col(l, s)
+        if curCol > indentStack[-1]:
+            indentStack.append(curCol)
+        else:
+            raise ParseException(s, l, "not a subentry")
+
+    def checkUnindent(s, l, t):
+        if l >= len(s):
+            return
+        curCol = col(l, s)
+        if not (indentStack and curCol in indentStack):
+            raise ParseException(s, l, "not an unindent")
+        if curCol < indentStack[-1]:
+            indentStack.pop()
+
+    NL = OneOrMore(LineEnd().set_whitespace_chars("\t ").suppress())
+    INDENT = (Empty() + Empty().set_parse_action(checkSubIndent)).set_name("INDENT")
+    PEER = Empty().set_parse_action(checkPeerIndent).set_name("")
+    UNDENT = Empty().set_parse_action(checkUnindent).set_name("UNINDENT")
+    if indent:
+        smExpr = Group(
+            Opt(NL)
+            + INDENT
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + UNDENT
+        )
+    else:
+        smExpr = Group(
+            Opt(NL)
+            + OneOrMore(PEER + Group(blockStatementExpr) + Opt(NL))
+            + Opt(UNDENT)
+        )
+
+    # add a parse action to remove backup_stack from list of backups
+    smExpr.add_parse_action(
+        lambda: backup_stacks.pop(-1) and None if backup_stacks else None
+    )
+    smExpr.set_fail_action(lambda a, b, c, d: reset_stack())
+    blockStatementExpr.ignore(_bslash + LineEnd())
+    return smExpr.set_name("indented block")
+
+
+# it's easy to get these comment structures wrong - they're very common, so may as well make them available
+c_style_comment = Combine(Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/").set_name(
+    "C style comment"
+)
+"Comment of the form ``/* ... */``"
+
+html_comment = Regex(r"<!--[\s\S]*?-->").set_name("HTML comment")
+"Comment of the form ``<!-- ... -->``"
+
+rest_of_line = Regex(r".*").leave_whitespace().set_name("rest of line")
+dbl_slash_comment = Regex(r"//(?:\\\n|[^\n])*").set_name("// comment")
+"Comment of the form ``// ... (to end of line)``"
+
+cpp_style_comment = Combine(
+    Regex(r"/\*(?:[^*]|\*(?!/))*") + "*/" | dbl_slash_comment
+).set_name("C++ style comment")
+"Comment of either form :class:`c_style_comment` or :class:`dbl_slash_comment`"
+
+java_style_comment = cpp_style_comment
+"Same as :class:`cpp_style_comment`"
+
+python_style_comment = Regex(r"#.*").set_name("Python style comment")
+"Comment of the form ``# ... (to end of line)``"
+
+
+# build list of built-in expressions, for future reference if a global default value
+# gets updated
+_builtin_exprs: List[ParserElement] = [
+    v for v in vars().values() if isinstance(v, ParserElement)
+]
+
+
+# pre-PEP8 compatible names
+delimitedList = delimited_list
+countedArray = counted_array
+matchPreviousLiteral = match_previous_literal
+matchPreviousExpr = match_previous_expr
+oneOf = one_of
+dictOf = dict_of
+originalTextFor = original_text_for
+nestedExpr = nested_expr
+makeHTMLTags = make_html_tags
+makeXMLTags = make_xml_tags
+anyOpenTag, anyCloseTag = any_open_tag, any_close_tag
+commonHTMLEntity = common_html_entity
+replaceHTMLEntity = replace_html_entity
+opAssoc = OpAssoc
+infixNotation = infix_notation
+cStyleComment = c_style_comment
+htmlComment = html_comment
+restOfLine = rest_of_line
+dblSlashComment = dbl_slash_comment
+cppStyleComment = cpp_style_comment
+javaStyleComment = java_style_comment
+pythonStyleComment = python_style_comment
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/results.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/results.py
new file mode 100644
index 00000000..00c9421d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/results.py
@@ -0,0 +1,760 @@
+# results.py
+from collections.abc import MutableMapping, Mapping, MutableSequence, Iterator
+import pprint
+from weakref import ref as wkref
+from typing import Tuple, Any
+
+str_type: Tuple[type, ...] = (str, bytes)
+_generator_type = type((_ for _ in ()))
+
+
+class _ParseResultsWithOffset:
+    __slots__ = ["tup"]
+
+    def __init__(self, p1, p2):
+        self.tup = (p1, p2)
+
+    def __getitem__(self, i):
+        return self.tup[i]
+
+    def __getstate__(self):
+        return self.tup
+
+    def __setstate__(self, *args):
+        self.tup = args[0]
+
+
+class ParseResults:
+    """Structured parse results, to provide multiple means of access to
+    the parsed data:
+
+    - as a list (``len(results)``)
+    - by list index (``results[0], results[1]``, etc.)
+    - by attribute (``results.<results_name>`` - see :class:`ParserElement.set_results_name`)
+
+    Example::
+
+        integer = Word(nums)
+        date_str = (integer.set_results_name("year") + '/'
+                    + integer.set_results_name("month") + '/'
+                    + integer.set_results_name("day"))
+        # equivalent form:
+        # date_str = (integer("year") + '/'
+        #             + integer("month") + '/'
+        #             + integer("day"))
+
+        # parse_string returns a ParseResults object
+        result = date_str.parse_string("1999/12/31")
+
+        def test(s, fn=repr):
+            print("{} -> {}".format(s, fn(eval(s))))
+        test("list(result)")
+        test("result[0]")
+        test("result['month']")
+        test("result.day")
+        test("'month' in result")
+        test("'minutes' in result")
+        test("result.dump()", str)
+
+    prints::
+
+        list(result) -> ['1999', '/', '12', '/', '31']
+        result[0] -> '1999'
+        result['month'] -> '12'
+        result.day -> '31'
+        'month' in result -> True
+        'minutes' in result -> False
+        result.dump() -> ['1999', '/', '12', '/', '31']
+        - day: '31'
+        - month: '12'
+        - year: '1999'
+    """
+
+    _null_values: Tuple[Any, ...] = (None, [], "", ())
+
+    __slots__ = [
+        "_name",
+        "_parent",
+        "_all_names",
+        "_modal",
+        "_toklist",
+        "_tokdict",
+        "__weakref__",
+    ]
+
+    class List(list):
+        """
+        Simple wrapper class to distinguish parsed list results that should be preserved
+        as actual Python lists, instead of being converted to :class:`ParseResults`:
+
+            LBRACK, RBRACK = map(pp.Suppress, "[]")
+            element = pp.Forward()
+            item = ppc.integer
+            element_list = LBRACK + pp.delimited_list(element) + RBRACK
+
+            # add parse actions to convert from ParseResults to actual Python collection types
+            def as_python_list(t):
+                return pp.ParseResults.List(t.as_list())
+            element_list.add_parse_action(as_python_list)
+
+            element <<= item | element_list
+
+            element.run_tests('''
+                100
+                [2,3,4]
+                [[2, 1],3,4]
+                [(2, 1),3,4]
+                (2,3,4)
+                ''', post_parse=lambda s, r: (r[0], type(r[0])))
+
+        prints:
+
+            100
+            (100, <class 'int'>)
+
+            [2,3,4]
+            ([2, 3, 4], <class 'list'>)
+
+            [[2, 1],3,4]
+            ([[2, 1], 3, 4], <class 'list'>)
+
+        (Used internally by :class:`Group` when `aslist=True`.)
+        """
+
+        def __new__(cls, contained=None):
+            if contained is None:
+                contained = []
+
+            if not isinstance(contained, list):
+                raise TypeError(
+                    "{} may only be constructed with a list,"
+                    " not {}".format(cls.__name__, type(contained).__name__)
+                )
+
+            return list.__new__(cls)
+
+    def __new__(cls, toklist=None, name=None, **kwargs):
+        if isinstance(toklist, ParseResults):
+            return toklist
+        self = object.__new__(cls)
+        self._name = None
+        self._parent = None
+        self._all_names = set()
+
+        if toklist is None:
+            self._toklist = []
+        elif isinstance(toklist, (list, _generator_type)):
+            self._toklist = (
+                [toklist[:]]
+                if isinstance(toklist, ParseResults.List)
+                else list(toklist)
+            )
+        else:
+            self._toklist = [toklist]
+        self._tokdict = dict()
+        return self
+
+    # Performance tuning: we construct a *lot* of these, so keep this
+    # constructor as small and fast as possible
+    def __init__(
+        self, toklist=None, name=None, asList=True, modal=True, isinstance=isinstance
+    ):
+        self._modal = modal
+        if name is not None and name != "":
+            if isinstance(name, int):
+                name = str(name)
+            if not modal:
+                self._all_names = {name}
+            self._name = name
+            if toklist not in self._null_values:
+                if isinstance(toklist, (str_type, type)):
+                    toklist = [toklist]
+                if asList:
+                    if isinstance(toklist, ParseResults):
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist._toklist), 0
+                        )
+                    else:
+                        self[name] = _ParseResultsWithOffset(
+                            ParseResults(toklist[0]), 0
+                        )
+                    self[name]._name = name
+                else:
+                    try:
+                        self[name] = toklist[0]
+                    except (KeyError, TypeError, IndexError):
+                        if toklist is not self:
+                            self[name] = toklist
+                        else:
+                            self._name = name
+
+    def __getitem__(self, i):
+        if isinstance(i, (int, slice)):
+            return self._toklist[i]
+        else:
+            if i not in self._all_names:
+                return self._tokdict[i][-1][0]
+            else:
+                return ParseResults([v[0] for v in self._tokdict[i]])
+
+    def __setitem__(self, k, v, isinstance=isinstance):
+        if isinstance(v, _ParseResultsWithOffset):
+            self._tokdict[k] = self._tokdict.get(k, list()) + [v]
+            sub = v[0]
+        elif isinstance(k, (int, slice)):
+            self._toklist[k] = v
+            sub = v
+        else:
+            self._tokdict[k] = self._tokdict.get(k, list()) + [
+                _ParseResultsWithOffset(v, 0)
+            ]
+            sub = v
+        if isinstance(sub, ParseResults):
+            sub._parent = wkref(self)
+
+    def __delitem__(self, i):
+        if isinstance(i, (int, slice)):
+            mylen = len(self._toklist)
+            del self._toklist[i]
+
+            # convert int to slice
+            if isinstance(i, int):
+                if i < 0:
+                    i += mylen
+                i = slice(i, i + 1)
+            # get removed indices
+            removed = list(range(*i.indices(mylen)))
+            removed.reverse()
+            # fixup indices in token dictionary
+            for name, occurrences in self._tokdict.items():
+                for j in removed:
+                    for k, (value, position) in enumerate(occurrences):
+                        occurrences[k] = _ParseResultsWithOffset(
+                            value, position - (position > j)
+                        )
+        else:
+            del self._tokdict[i]
+
+    def __contains__(self, k) -> bool:
+        return k in self._tokdict
+
+    def __len__(self) -> int:
+        return len(self._toklist)
+
+    def __bool__(self) -> bool:
+        return not not (self._toklist or self._tokdict)
+
+    def __iter__(self) -> Iterator:
+        return iter(self._toklist)
+
+    def __reversed__(self) -> Iterator:
+        return iter(self._toklist[::-1])
+
+    def keys(self):
+        return iter(self._tokdict)
+
+    def values(self):
+        return (self[k] for k in self.keys())
+
+    def items(self):
+        return ((k, self[k]) for k in self.keys())
+
+    def haskeys(self) -> bool:
+        """
+        Since ``keys()`` returns an iterator, this method is helpful in bypassing
+        code that looks for the existence of any defined results names."""
+        return bool(self._tokdict)
+
+    def pop(self, *args, **kwargs):
+        """
+        Removes and returns item at specified index (default= ``last``).
+        Supports both ``list`` and ``dict`` semantics for ``pop()``. If
+        passed no argument or an integer argument, it will use ``list``
+        semantics and pop tokens from the list of parsed tokens. If passed
+        a non-integer argument (most likely a string), it will use ``dict``
+        semantics and pop the corresponding value from any defined results
+        names. A second default return value argument is supported, just as in
+        ``dict.pop()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            def remove_first(tokens):
+                tokens.pop(0)
+            numlist.add_parse_action(remove_first)
+            print(numlist.parse_string("0 123 321")) # -> ['123', '321']
+
+            label = Word(alphas)
+            patt = label("LABEL") + Word(nums)[1, ...]
+            print(patt.parse_string("AAB 123 321").dump())
+
+            # Use pop() in a parse action to remove named result (note that corresponding value is not
+            # removed from list form of results)
+            def remove_LABEL(tokens):
+                tokens.pop("LABEL")
+                return tokens
+            patt.add_parse_action(remove_LABEL)
+            print(patt.parse_string("AAB 123 321").dump())
+
+        prints::
+
+            ['AAB', '123', '321']
+            - LABEL: 'AAB'
+
+            ['AAB', '123', '321']
+        """
+        if not args:
+            args = [-1]
+        for k, v in kwargs.items():
+            if k == "default":
+                args = (args[0], v)
+            else:
+                raise TypeError(
+                    "pop() got an unexpected keyword argument {!r}".format(k)
+                )
+        if isinstance(args[0], int) or len(args) == 1 or args[0] in self:
+            index = args[0]
+            ret = self[index]
+            del self[index]
+            return ret
+        else:
+            defaultvalue = args[1]
+            return defaultvalue
+
+    def get(self, key, default_value=None):
+        """
+        Returns named result matching the given key, or if there is no
+        such name, then returns the given ``default_value`` or ``None`` if no
+        ``default_value`` is specified.
+
+        Similar to ``dict.get()``.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string("1999/12/31")
+            print(result.get("year")) # -> '1999'
+            print(result.get("hour", "not specified")) # -> 'not specified'
+            print(result.get("hour")) # -> None
+        """
+        if key in self:
+            return self[key]
+        else:
+            return default_value
+
+    def insert(self, index, ins_string):
+        """
+        Inserts new element at location index in the list of parsed tokens.
+
+        Similar to ``list.insert()``.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to insert the parse location in the front of the parsed results
+            def insert_locn(locn, tokens):
+                tokens.insert(0, locn)
+            numlist.add_parse_action(insert_locn)
+            print(numlist.parse_string("0 123 321")) # -> [0, '0', '123', '321']
+        """
+        self._toklist.insert(index, ins_string)
+        # fixup indices in token dictionary
+        for name, occurrences in self._tokdict.items():
+            for k, (value, position) in enumerate(occurrences):
+                occurrences[k] = _ParseResultsWithOffset(
+                    value, position + (position > index)
+                )
+
+    def append(self, item):
+        """
+        Add single element to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            numlist = Word(nums)[...]
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321']
+
+            # use a parse action to compute the sum of the parsed integers, and add it to the end
+            def append_sum(tokens):
+                tokens.append(sum(map(int, tokens)))
+            numlist.add_parse_action(append_sum)
+            print(numlist.parse_string("0 123 321")) # -> ['0', '123', '321', 444]
+        """
+        self._toklist.append(item)
+
+    def extend(self, itemseq):
+        """
+        Add sequence of elements to end of ``ParseResults`` list of elements.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+
+            # use a parse action to append the reverse of the matched strings, to make a palindrome
+            def make_palindrome(tokens):
+                tokens.extend(reversed([t[::-1] for t in tokens]))
+                return ''.join(tokens)
+            patt.add_parse_action(make_palindrome)
+            print(patt.parse_string("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl'
+        """
+        if isinstance(itemseq, ParseResults):
+            self.__iadd__(itemseq)
+        else:
+            self._toklist.extend(itemseq)
+
+    def clear(self):
+        """
+        Clear all elements and results names.
+        """
+        del self._toklist[:]
+        self._tokdict.clear()
+
+    def __getattr__(self, name):
+        try:
+            return self[name]
+        except KeyError:
+            if name.startswith("__"):
+                raise AttributeError(name)
+            return ""
+
+    def __add__(self, other) -> "ParseResults":
+        ret = self.copy()
+        ret += other
+        return ret
+
+    def __iadd__(self, other) -> "ParseResults":
+        if other._tokdict:
+            offset = len(self._toklist)
+            addoffset = lambda a: offset if a < 0 else a + offset
+            otheritems = other._tokdict.items()
+            otherdictitems = [
+                (k, _ParseResultsWithOffset(v[0], addoffset(v[1])))
+                for k, vlist in otheritems
+                for v in vlist
+            ]
+            for k, v in otherdictitems:
+                self[k] = v
+                if isinstance(v[0], ParseResults):
+                    v[0]._parent = wkref(self)
+
+        self._toklist += other._toklist
+        self._all_names |= other._all_names
+        return self
+
+    def __radd__(self, other) -> "ParseResults":
+        if isinstance(other, int) and other == 0:
+            # useful for merging many ParseResults using sum() builtin
+            return self.copy()
+        else:
+            # this may raise a TypeError - so be it
+            return other + self
+
+    def __repr__(self) -> str:
+        return "{}({!r}, {})".format(type(self).__name__, self._toklist, self.as_dict())
+
+    def __str__(self) -> str:
+        return (
+            "["
+            + ", ".join(
+                [
+                    str(i) if isinstance(i, ParseResults) else repr(i)
+                    for i in self._toklist
+                ]
+            )
+            + "]"
+        )
+
+    def _asStringList(self, sep=""):
+        out = []
+        for item in self._toklist:
+            if out and sep:
+                out.append(sep)
+            if isinstance(item, ParseResults):
+                out += item._asStringList()
+            else:
+                out.append(str(item))
+        return out
+
+    def as_list(self) -> list:
+        """
+        Returns the parse results as a nested list of matching tokens, all converted to strings.
+
+        Example::
+
+            patt = Word(alphas)[1, ...]
+            result = patt.parse_string("sldkj lsdkj sldkj")
+            # even though the result prints in string-like form, it is actually a pyparsing ParseResults
+            print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj']
+
+            # Use as_list() to create an actual list
+            result_list = result.as_list()
+            print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj']
+        """
+        return [
+            res.as_list() if isinstance(res, ParseResults) else res
+            for res in self._toklist
+        ]
+
+    def as_dict(self) -> dict:
+        """
+        Returns the named parse results as a nested dictionary.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('12/31/1999')
+            print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]})
+
+            result_dict = result.as_dict()
+            print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'}
+
+            # even though a ParseResults supports dict-like access, sometime you just need to have a dict
+            import json
+            print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable
+            print(json.dumps(result.as_dict())) # -> {"month": "31", "day": "1999", "year": "12"}
+        """
+
+        def to_item(obj):
+            if isinstance(obj, ParseResults):
+                return obj.as_dict() if obj.haskeys() else [to_item(v) for v in obj]
+            else:
+                return obj
+
+        return dict((k, to_item(v)) for k, v in self.items())
+
+    def copy(self) -> "ParseResults":
+        """
+        Returns a new copy of a :class:`ParseResults` object.
+        """
+        ret = ParseResults(self._toklist)
+        ret._tokdict = self._tokdict.copy()
+        ret._parent = self._parent
+        ret._all_names |= self._all_names
+        ret._name = self._name
+        return ret
+
+    def get_name(self):
+        r"""
+        Returns the results name for this token expression. Useful when several
+        different expressions might match at a particular location.
+
+        Example::
+
+            integer = Word(nums)
+            ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d")
+            house_number_expr = Suppress('#') + Word(nums, alphanums)
+            user_data = (Group(house_number_expr)("house_number")
+                        | Group(ssn_expr)("ssn")
+                        | Group(integer)("age"))
+            user_info = user_data[1, ...]
+
+            result = user_info.parse_string("22 111-22-3333 #221B")
+            for item in result:
+                print(item.get_name(), ':', item[0])
+
+        prints::
+
+            age : 22
+            ssn : 111-22-3333
+            house_number : 221B
+        """
+        if self._name:
+            return self._name
+        elif self._parent:
+            par = self._parent()
+
+            def find_in_parent(sub):
+                return next(
+                    (
+                        k
+                        for k, vlist in par._tokdict.items()
+                        for v, loc in vlist
+                        if sub is v
+                    ),
+                    None,
+                )
+
+            return find_in_parent(self) if par else None
+        elif (
+            len(self) == 1
+            and len(self._tokdict) == 1
+            and next(iter(self._tokdict.values()))[0][1] in (0, -1)
+        ):
+            return next(iter(self._tokdict.keys()))
+        else:
+            return None
+
+    def dump(self, indent="", full=True, include_list=True, _depth=0) -> str:
+        """
+        Diagnostic method for listing out the contents of
+        a :class:`ParseResults`. Accepts an optional ``indent`` argument so
+        that this string can be embedded in a nested display of other data.
+
+        Example::
+
+            integer = Word(nums)
+            date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
+
+            result = date_str.parse_string('1999/12/31')
+            print(result.dump())
+
+        prints::
+
+            ['1999', '/', '12', '/', '31']
+            - day: '31'
+            - month: '12'
+            - year: '1999'
+        """
+        out = []
+        NL = "\n"
+        out.append(indent + str(self.as_list()) if include_list else "")
+
+        if full:
+            if self.haskeys():
+                items = sorted((str(k), v) for k, v in self.items())
+                for k, v in items:
+                    if out:
+                        out.append(NL)
+                    out.append("{}{}- {}: ".format(indent, ("  " * _depth), k))
+                    if isinstance(v, ParseResults):
+                        if v:
+                            out.append(
+                                v.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                )
+                            )
+                        else:
+                            out.append(str(v))
+                    else:
+                        out.append(repr(v))
+            if any(isinstance(vv, ParseResults) for vv in self):
+                v = self
+                for i, vv in enumerate(v):
+                    if isinstance(vv, ParseResults):
+                        out.append(
+                            "\n{}{}[{}]:\n{}{}{}".format(
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                vv.dump(
+                                    indent=indent,
+                                    full=full,
+                                    include_list=include_list,
+                                    _depth=_depth + 1,
+                                ),
+                            )
+                        )
+                    else:
+                        out.append(
+                            "\n%s%s[%d]:\n%s%s%s"
+                            % (
+                                indent,
+                                ("  " * (_depth)),
+                                i,
+                                indent,
+                                ("  " * (_depth + 1)),
+                                str(vv),
+                            )
+                        )
+
+        return "".join(out)
+
+    def pprint(self, *args, **kwargs):
+        """
+        Pretty-printer for parsed results as a list, using the
+        `pprint <https://docs.python.org/3/library/pprint.html>`_ module.
+        Accepts additional positional or keyword args as defined for
+        `pprint.pprint <https://docs.python.org/3/library/pprint.html#pprint.pprint>`_ .
+
+        Example::
+
+            ident = Word(alphas, alphanums)
+            num = Word(nums)
+            func = Forward()
+            term = ident | num | Group('(' + func + ')')
+            func <<= ident + Group(Optional(delimited_list(term)))
+            result = func.parse_string("fna a,b,(fnb c,d,200),100")
+            result.pprint(width=40)
+
+        prints::
+
+            ['fna',
+             ['a',
+              'b',
+              ['(', 'fnb', ['c', 'd', '200'], ')'],
+              '100']]
+        """
+        pprint.pprint(self.as_list(), *args, **kwargs)
+
+    # add support for pickle protocol
+    def __getstate__(self):
+        return (
+            self._toklist,
+            (
+                self._tokdict.copy(),
+                self._parent is not None and self._parent() or None,
+                self._all_names,
+                self._name,
+            ),
+        )
+
+    def __setstate__(self, state):
+        self._toklist, (self._tokdict, par, inAccumNames, self._name) = state
+        self._all_names = set(inAccumNames)
+        if par is not None:
+            self._parent = wkref(par)
+        else:
+            self._parent = None
+
+    def __getnewargs__(self):
+        return self._toklist, self._name
+
+    def __dir__(self):
+        return dir(type(self)) + list(self.keys())
+
+    @classmethod
+    def from_dict(cls, other, name=None) -> "ParseResults":
+        """
+        Helper classmethod to construct a ``ParseResults`` from a ``dict``, preserving the
+        name-value relations as results names. If an optional ``name`` argument is
+        given, a nested ``ParseResults`` will be returned.
+        """
+
+        def is_iterable(obj):
+            try:
+                iter(obj)
+            except Exception:
+                return False
+            else:
+                return not isinstance(obj, str_type)
+
+        ret = cls([])
+        for k, v in other.items():
+            if isinstance(v, Mapping):
+                ret += cls.from_dict(v, name=k)
+            else:
+                ret += cls([v], name=k, asList=is_iterable(v))
+        if name is not None:
+            ret = cls([ret], name=name)
+        return ret
+
+    asList = as_list
+    asDict = as_dict
+    getName = get_name
+
+
+MutableMapping.register(ParseResults)
+MutableSequence.register(ParseResults)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/testing.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/testing.py
new file mode 100644
index 00000000..84a0ef17
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/testing.py
@@ -0,0 +1,331 @@
+# testing.py
+
+from contextlib import contextmanager
+import typing
+
+from .core import (
+    ParserElement,
+    ParseException,
+    Keyword,
+    __diag__,
+    __compat__,
+)
+
+
+class pyparsing_test:
+    """
+    namespace class for classes useful in writing unit tests
+    """
+
+    class reset_pyparsing_context:
+        """
+        Context manager to be used when writing unit tests that modify pyparsing config values:
+        - packrat parsing
+        - bounded recursion parsing
+        - default whitespace characters.
+        - default keyword characters
+        - literal string auto-conversion class
+        - __diag__ settings
+
+        Example::
+
+            with reset_pyparsing_context():
+                # test that literals used to construct a grammar are automatically suppressed
+                ParserElement.inlineLiteralsUsing(Suppress)
+
+                term = Word(alphas) | Word(nums)
+                group = Group('(' + term[...] + ')')
+
+                # assert that the '()' characters are not included in the parsed tokens
+                self.assertParseAndCheckList(group, "(abc 123 def)", ['abc', '123', 'def'])
+
+            # after exiting context manager, literals are converted to Literal expressions again
+        """
+
+        def __init__(self):
+            self._save_context = {}
+
+        def save(self):
+            self._save_context["default_whitespace"] = ParserElement.DEFAULT_WHITE_CHARS
+            self._save_context["default_keyword_chars"] = Keyword.DEFAULT_KEYWORD_CHARS
+
+            self._save_context[
+                "literal_string_class"
+            ] = ParserElement._literalStringClass
+
+            self._save_context["verbose_stacktrace"] = ParserElement.verbose_stacktrace
+
+            self._save_context["packrat_enabled"] = ParserElement._packratEnabled
+            if ParserElement._packratEnabled:
+                self._save_context[
+                    "packrat_cache_size"
+                ] = ParserElement.packrat_cache.size
+            else:
+                self._save_context["packrat_cache_size"] = None
+            self._save_context["packrat_parse"] = ParserElement._parse
+            self._save_context[
+                "recursion_enabled"
+            ] = ParserElement._left_recursion_enabled
+
+            self._save_context["__diag__"] = {
+                name: getattr(__diag__, name) for name in __diag__._all_names
+            }
+
+            self._save_context["__compat__"] = {
+                "collect_all_And_tokens": __compat__.collect_all_And_tokens
+            }
+
+            return self
+
+        def restore(self):
+            # reset pyparsing global state
+            if (
+                ParserElement.DEFAULT_WHITE_CHARS
+                != self._save_context["default_whitespace"]
+            ):
+                ParserElement.set_default_whitespace_chars(
+                    self._save_context["default_whitespace"]
+                )
+
+            ParserElement.verbose_stacktrace = self._save_context["verbose_stacktrace"]
+
+            Keyword.DEFAULT_KEYWORD_CHARS = self._save_context["default_keyword_chars"]
+            ParserElement.inlineLiteralsUsing(
+                self._save_context["literal_string_class"]
+            )
+
+            for name, value in self._save_context["__diag__"].items():
+                (__diag__.enable if value else __diag__.disable)(name)
+
+            ParserElement._packratEnabled = False
+            if self._save_context["packrat_enabled"]:
+                ParserElement.enable_packrat(self._save_context["packrat_cache_size"])
+            else:
+                ParserElement._parse = self._save_context["packrat_parse"]
+            ParserElement._left_recursion_enabled = self._save_context[
+                "recursion_enabled"
+            ]
+
+            __compat__.collect_all_And_tokens = self._save_context["__compat__"]
+
+            return self
+
+        def copy(self):
+            ret = type(self)()
+            ret._save_context.update(self._save_context)
+            return ret
+
+        def __enter__(self):
+            return self.save()
+
+        def __exit__(self, *args):
+            self.restore()
+
+    class TestParseResultsAsserts:
+        """
+        A mixin class to add parse results assertion methods to normal unittest.TestCase classes.
+        """
+
+        def assertParseResultsEquals(
+            self, result, expected_list=None, expected_dict=None, msg=None
+        ):
+            """
+            Unit test assertion to compare a :class:`ParseResults` object with an optional ``expected_list``,
+            and compare any defined results names with an optional ``expected_dict``.
+            """
+            if expected_list is not None:
+                self.assertEqual(expected_list, result.as_list(), msg=msg)
+            if expected_dict is not None:
+                self.assertEqual(expected_dict, result.as_dict(), msg=msg)
+
+        def assertParseAndCheckList(
+            self, expr, test_string, expected_list, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asList()`` is equal to the ``expected_list``.
+            """
+            result = expr.parse_string(test_string, parse_all=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_list=expected_list, msg=msg)
+
+        def assertParseAndCheckDict(
+            self, expr, test_string, expected_dict, msg=None, verbose=True
+        ):
+            """
+            Convenience wrapper assert to test a parser element and input string, and assert that
+            the resulting ``ParseResults.asDict()`` is equal to the ``expected_dict``.
+            """
+            result = expr.parse_string(test_string, parseAll=True)
+            if verbose:
+                print(result.dump())
+            else:
+                print(result.as_list())
+            self.assertParseResultsEquals(result, expected_dict=expected_dict, msg=msg)
+
+        def assertRunTestResults(
+            self, run_tests_report, expected_parse_results=None, msg=None
+        ):
+            """
+            Unit test assertion to evaluate output of ``ParserElement.runTests()``. If a list of
+            list-dict tuples is given as the ``expected_parse_results`` argument, then these are zipped
+            with the report tuples returned by ``runTests`` and evaluated using ``assertParseResultsEquals``.
+            Finally, asserts that the overall ``runTests()`` success value is ``True``.
+
+            :param run_tests_report: tuple(bool, [tuple(str, ParseResults or Exception)]) returned from runTests
+            :param expected_parse_results (optional): [tuple(str, list, dict, Exception)]
+            """
+            run_test_success, run_test_results = run_tests_report
+
+            if expected_parse_results is not None:
+                merged = [
+                    (*rpt, expected)
+                    for rpt, expected in zip(run_test_results, expected_parse_results)
+                ]
+                for test_string, result, expected in merged:
+                    # expected should be a tuple containing a list and/or a dict or an exception,
+                    # and optional failure message string
+                    # an empty tuple will skip any result validation
+                    fail_msg = next(
+                        (exp for exp in expected if isinstance(exp, str)), None
+                    )
+                    expected_exception = next(
+                        (
+                            exp
+                            for exp in expected
+                            if isinstance(exp, type) and issubclass(exp, Exception)
+                        ),
+                        None,
+                    )
+                    if expected_exception is not None:
+                        with self.assertRaises(
+                            expected_exception=expected_exception, msg=fail_msg or msg
+                        ):
+                            if isinstance(result, Exception):
+                                raise result
+                    else:
+                        expected_list = next(
+                            (exp for exp in expected if isinstance(exp, list)), None
+                        )
+                        expected_dict = next(
+                            (exp for exp in expected if isinstance(exp, dict)), None
+                        )
+                        if (expected_list, expected_dict) != (None, None):
+                            self.assertParseResultsEquals(
+                                result,
+                                expected_list=expected_list,
+                                expected_dict=expected_dict,
+                                msg=fail_msg or msg,
+                            )
+                        else:
+                            # warning here maybe?
+                            print("no validation for {!r}".format(test_string))
+
+            # do this last, in case some specific test results can be reported instead
+            self.assertTrue(
+                run_test_success, msg=msg if msg is not None else "failed runTests"
+            )
+
+        @contextmanager
+        def assertRaisesParseException(self, exc_type=ParseException, msg=None):
+            with self.assertRaises(exc_type, msg=msg):
+                yield
+
+    @staticmethod
+    def with_line_numbers(
+        s: str,
+        start_line: typing.Optional[int] = None,
+        end_line: typing.Optional[int] = None,
+        expand_tabs: bool = True,
+        eol_mark: str = "|",
+        mark_spaces: typing.Optional[str] = None,
+        mark_control: typing.Optional[str] = None,
+    ) -> str:
+        """
+        Helpful method for debugging a parser - prints a string with line and column numbers.
+        (Line and column numbers are 1-based.)
+
+        :param s: tuple(bool, str - string to be printed with line and column numbers
+        :param start_line: int - (optional) starting line number in s to print (default=1)
+        :param end_line: int - (optional) ending line number in s to print (default=len(s))
+        :param expand_tabs: bool - (optional) expand tabs to spaces, to match the pyparsing default
+        :param eol_mark: str - (optional) string to mark the end of lines, helps visualize trailing spaces (default="|")
+        :param mark_spaces: str - (optional) special character to display in place of spaces
+        :param mark_control: str - (optional) convert non-printing control characters to a placeholding
+                                 character; valid values:
+                                 - "unicode" - replaces control chars with Unicode symbols, such as "␍" and "␊"
+                                 - any single character string - replace control characters with given string
+                                 - None (default) - string is displayed as-is
+
+        :return: str - input string with leading line numbers and column number headers
+        """
+        if expand_tabs:
+            s = s.expandtabs()
+        if mark_control is not None:
+            if mark_control == "unicode":
+                tbl = str.maketrans(
+                    {c: u for c, u in zip(range(0, 33), range(0x2400, 0x2433))}
+                    | {127: 0x2421}
+                )
+                eol_mark = ""
+            else:
+                tbl = str.maketrans(
+                    {c: mark_control for c in list(range(0, 32)) + [127]}
+                )
+            s = s.translate(tbl)
+        if mark_spaces is not None and mark_spaces != " ":
+            if mark_spaces == "unicode":
+                tbl = str.maketrans({9: 0x2409, 32: 0x2423})
+                s = s.translate(tbl)
+            else:
+                s = s.replace(" ", mark_spaces)
+        if start_line is None:
+            start_line = 1
+        if end_line is None:
+            end_line = len(s)
+        end_line = min(end_line, len(s))
+        start_line = min(max(1, start_line), end_line)
+
+        if mark_control != "unicode":
+            s_lines = s.splitlines()[start_line - 1 : end_line]
+        else:
+            s_lines = [line + "␊" for line in s.split("␊")[start_line - 1 : end_line]]
+        if not s_lines:
+            return ""
+
+        lineno_width = len(str(end_line))
+        max_line_len = max(len(line) for line in s_lines)
+        lead = " " * (lineno_width + 1)
+        if max_line_len >= 99:
+            header0 = (
+                lead
+                + "".join(
+                    "{}{}".format(" " * 99, (i + 1) % 100)
+                    for i in range(max(max_line_len // 100, 1))
+                )
+                + "\n"
+            )
+        else:
+            header0 = ""
+        header1 = (
+            header0
+            + lead
+            + "".join(
+                "         {}".format((i + 1) % 10)
+                for i in range(-(-max_line_len // 10))
+            )
+            + "\n"
+        )
+        header2 = lead + "1234567890" * (-(-max_line_len // 10)) + "\n"
+        return (
+            header1
+            + header2
+            + "\n".join(
+                "{:{}d}:{}{}".format(i, lineno_width, line, eol_mark)
+                for i, line in enumerate(s_lines, start=start_line)
+            )
+            + "\n"
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/unicode.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/unicode.py
new file mode 100644
index 00000000..06526203
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/unicode.py
@@ -0,0 +1,352 @@
+# unicode.py
+
+import sys
+from itertools import filterfalse
+from typing import List, Tuple, Union
+
+
+class _lazyclassproperty:
+    def __init__(self, fn):
+        self.fn = fn
+        self.__doc__ = fn.__doc__
+        self.__name__ = fn.__name__
+
+    def __get__(self, obj, cls):
+        if cls is None:
+            cls = type(obj)
+        if not hasattr(cls, "_intern") or any(
+            cls._intern is getattr(superclass, "_intern", [])
+            for superclass in cls.__mro__[1:]
+        ):
+            cls._intern = {}
+        attrname = self.fn.__name__
+        if attrname not in cls._intern:
+            cls._intern[attrname] = self.fn(cls)
+        return cls._intern[attrname]
+
+
+UnicodeRangeList = List[Union[Tuple[int, int], Tuple[int]]]
+
+
+class unicode_set:
+    """
+    A set of Unicode characters, for language-specific strings for
+    ``alphas``, ``nums``, ``alphanums``, and ``printables``.
+    A unicode_set is defined by a list of ranges in the Unicode character
+    set, in a class attribute ``_ranges``. Ranges can be specified using
+    2-tuples or a 1-tuple, such as::
+
+        _ranges = [
+            (0x0020, 0x007e),
+            (0x00a0, 0x00ff),
+            (0x0100,),
+            ]
+
+    Ranges are left- and right-inclusive. A 1-tuple of (x,) is treated as (x, x).
+
+    A unicode set can also be defined using multiple inheritance of other unicode sets::
+
+        class CJK(Chinese, Japanese, Korean):
+            pass
+    """
+
+    _ranges: UnicodeRangeList = []
+
+    @_lazyclassproperty
+    def _chars_for_ranges(cls):
+        ret = []
+        for cc in cls.__mro__:
+            if cc is unicode_set:
+                break
+            for rr in getattr(cc, "_ranges", ()):
+                ret.extend(range(rr[0], rr[-1] + 1))
+        return [chr(c) for c in sorted(set(ret))]
+
+    @_lazyclassproperty
+    def printables(cls):
+        "all non-whitespace characters in this range"
+        return "".join(filterfalse(str.isspace, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphas(cls):
+        "all alphabetic characters in this range"
+        return "".join(filter(str.isalpha, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def nums(cls):
+        "all numeric digit characters in this range"
+        return "".join(filter(str.isdigit, cls._chars_for_ranges))
+
+    @_lazyclassproperty
+    def alphanums(cls):
+        "all alphanumeric characters in this range"
+        return cls.alphas + cls.nums
+
+    @_lazyclassproperty
+    def identchars(cls):
+        "all characters in this range that are valid identifier characters, plus underscore '_'"
+        return "".join(
+            sorted(
+                set(
+                    "".join(filter(str.isidentifier, cls._chars_for_ranges))
+                    + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzªµº"
+                    + "ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ"
+                    + "_"
+                )
+            )
+        )
+
+    @_lazyclassproperty
+    def identbodychars(cls):
+        """
+        all characters in this range that are valid identifier body characters,
+        plus the digits 0-9
+        """
+        return "".join(
+            sorted(
+                set(
+                    cls.identchars
+                    + "0123456789"
+                    + "".join(
+                        [c for c in cls._chars_for_ranges if ("_" + c).isidentifier()]
+                    )
+                )
+            )
+        )
+
+
+class pyparsing_unicode(unicode_set):
+    """
+    A namespace class for defining common language unicode_sets.
+    """
+
+    # fmt: off
+
+    # define ranges in language character sets
+    _ranges: UnicodeRangeList = [
+        (0x0020, sys.maxunicode),
+    ]
+
+    class BasicMultilingualPlane(unicode_set):
+        "Unicode set for the Basic Multilingual Plane"
+        _ranges: UnicodeRangeList = [
+            (0x0020, 0xFFFF),
+        ]
+
+    class Latin1(unicode_set):
+        "Unicode set for Latin-1 Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0020, 0x007E),
+            (0x00A0, 0x00FF),
+        ]
+
+    class LatinA(unicode_set):
+        "Unicode set for Latin-A Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0100, 0x017F),
+        ]
+
+    class LatinB(unicode_set):
+        "Unicode set for Latin-B Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0180, 0x024F),
+        ]
+
+    class Greek(unicode_set):
+        "Unicode set for Greek Unicode Character Ranges"
+        _ranges: UnicodeRangeList = [
+            (0x0342, 0x0345),
+            (0x0370, 0x0377),
+            (0x037A, 0x037F),
+            (0x0384, 0x038A),
+            (0x038C,),
+            (0x038E, 0x03A1),
+            (0x03A3, 0x03E1),
+            (0x03F0, 0x03FF),
+            (0x1D26, 0x1D2A),
+            (0x1D5E,),
+            (0x1D60,),
+            (0x1D66, 0x1D6A),
+            (0x1F00, 0x1F15),
+            (0x1F18, 0x1F1D),
+            (0x1F20, 0x1F45),
+            (0x1F48, 0x1F4D),
+            (0x1F50, 0x1F57),
+            (0x1F59,),
+            (0x1F5B,),
+            (0x1F5D,),
+            (0x1F5F, 0x1F7D),
+            (0x1F80, 0x1FB4),
+            (0x1FB6, 0x1FC4),
+            (0x1FC6, 0x1FD3),
+            (0x1FD6, 0x1FDB),
+            (0x1FDD, 0x1FEF),
+            (0x1FF2, 0x1FF4),
+            (0x1FF6, 0x1FFE),
+            (0x2129,),
+            (0x2719, 0x271A),
+            (0xAB65,),
+            (0x10140, 0x1018D),
+            (0x101A0,),
+            (0x1D200, 0x1D245),
+            (0x1F7A1, 0x1F7A7),
+        ]
+
+    class Cyrillic(unicode_set):
+        "Unicode set for Cyrillic Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0400, 0x052F),
+            (0x1C80, 0x1C88),
+            (0x1D2B,),
+            (0x1D78,),
+            (0x2DE0, 0x2DFF),
+            (0xA640, 0xA672),
+            (0xA674, 0xA69F),
+            (0xFE2E, 0xFE2F),
+        ]
+
+    class Chinese(unicode_set):
+        "Unicode set for Chinese Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x2E80, 0x2E99),
+            (0x2E9B, 0x2EF3),
+            (0x31C0, 0x31E3),
+            (0x3400, 0x4DB5),
+            (0x4E00, 0x9FEF),
+            (0xA700, 0xA707),
+            (0xF900, 0xFA6D),
+            (0xFA70, 0xFAD9),
+            (0x16FE2, 0x16FE3),
+            (0x1F210, 0x1F212),
+            (0x1F214, 0x1F23B),
+            (0x1F240, 0x1F248),
+            (0x20000, 0x2A6D6),
+            (0x2A700, 0x2B734),
+            (0x2B740, 0x2B81D),
+            (0x2B820, 0x2CEA1),
+            (0x2CEB0, 0x2EBE0),
+            (0x2F800, 0x2FA1D),
+        ]
+
+    class Japanese(unicode_set):
+        "Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana ranges"
+        _ranges: UnicodeRangeList = []
+
+        class Kanji(unicode_set):
+            "Unicode set for Kanji Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x4E00, 0x9FBF),
+                (0x3000, 0x303F),
+            ]
+
+        class Hiragana(unicode_set):
+            "Unicode set for Hiragana Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x3041, 0x3096),
+                (0x3099, 0x30A0),
+                (0x30FC,),
+                (0xFF70,),
+                (0x1B001,),
+                (0x1B150, 0x1B152),
+                (0x1F200,),
+            ]
+
+        class Katakana(unicode_set):
+            "Unicode set for Katakana  Unicode Character Range"
+            _ranges: UnicodeRangeList = [
+                (0x3099, 0x309C),
+                (0x30A0, 0x30FF),
+                (0x31F0, 0x31FF),
+                (0x32D0, 0x32FE),
+                (0xFF65, 0xFF9F),
+                (0x1B000,),
+                (0x1B164, 0x1B167),
+                (0x1F201, 0x1F202),
+                (0x1F213,),
+            ]
+
+    class Hangul(unicode_set):
+        "Unicode set for Hangul (Korean) Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x1100, 0x11FF),
+            (0x302E, 0x302F),
+            (0x3131, 0x318E),
+            (0x3200, 0x321C),
+            (0x3260, 0x327B),
+            (0x327E,),
+            (0xA960, 0xA97C),
+            (0xAC00, 0xD7A3),
+            (0xD7B0, 0xD7C6),
+            (0xD7CB, 0xD7FB),
+            (0xFFA0, 0xFFBE),
+            (0xFFC2, 0xFFC7),
+            (0xFFCA, 0xFFCF),
+            (0xFFD2, 0xFFD7),
+            (0xFFDA, 0xFFDC),
+        ]
+
+    Korean = Hangul
+
+    class CJK(Chinese, Japanese, Hangul):
+        "Unicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character Range"
+
+    class Thai(unicode_set):
+        "Unicode set for Thai Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0E01, 0x0E3A),
+            (0x0E3F, 0x0E5B)
+        ]
+
+    class Arabic(unicode_set):
+        "Unicode set for Arabic Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0600, 0x061B),
+            (0x061E, 0x06FF),
+            (0x0700, 0x077F),
+        ]
+
+    class Hebrew(unicode_set):
+        "Unicode set for Hebrew Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0591, 0x05C7),
+            (0x05D0, 0x05EA),
+            (0x05EF, 0x05F4),
+            (0xFB1D, 0xFB36),
+            (0xFB38, 0xFB3C),
+            (0xFB3E,),
+            (0xFB40, 0xFB41),
+            (0xFB43, 0xFB44),
+            (0xFB46, 0xFB4F),
+        ]
+
+    class Devanagari(unicode_set):
+        "Unicode set for Devanagari Unicode Character Range"
+        _ranges: UnicodeRangeList = [
+            (0x0900, 0x097F),
+            (0xA8E0, 0xA8FF)
+        ]
+
+    # fmt: on
+
+
+pyparsing_unicode.Japanese._ranges = (
+    pyparsing_unicode.Japanese.Kanji._ranges
+    + pyparsing_unicode.Japanese.Hiragana._ranges
+    + pyparsing_unicode.Japanese.Katakana._ranges
+)
+
+pyparsing_unicode.BMP = pyparsing_unicode.BasicMultilingualPlane
+
+# add language identifiers using language Unicode
+pyparsing_unicode.العربية = pyparsing_unicode.Arabic
+pyparsing_unicode.中文 = pyparsing_unicode.Chinese
+pyparsing_unicode.кириллица = pyparsing_unicode.Cyrillic
+pyparsing_unicode.Ελληνικά = pyparsing_unicode.Greek
+pyparsing_unicode.עִברִית = pyparsing_unicode.Hebrew
+pyparsing_unicode.日本語 = pyparsing_unicode.Japanese
+pyparsing_unicode.Japanese.漢字 = pyparsing_unicode.Japanese.Kanji
+pyparsing_unicode.Japanese.カタカナ = pyparsing_unicode.Japanese.Katakana
+pyparsing_unicode.Japanese.ひらがな = pyparsing_unicode.Japanese.Hiragana
+pyparsing_unicode.한국어 = pyparsing_unicode.Korean
+pyparsing_unicode.ไทย = pyparsing_unicode.Thai
+pyparsing_unicode.देवनागरी = pyparsing_unicode.Devanagari
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/util.py
new file mode 100644
index 00000000..34ce092c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/pyparsing/util.py
@@ -0,0 +1,235 @@
+# util.py
+import warnings
+import types
+import collections
+import itertools
+from functools import lru_cache
+from typing import List, Union, Iterable
+
+_bslash = chr(92)
+
+
+class __config_flags:
+    """Internal class for defining compatibility and debugging flags"""
+
+    _all_names: List[str] = []
+    _fixed_names: List[str] = []
+    _type_desc = "configuration"
+
+    @classmethod
+    def _set(cls, dname, value):
+        if dname in cls._fixed_names:
+            warnings.warn(
+                "{}.{} {} is {} and cannot be overridden".format(
+                    cls.__name__,
+                    dname,
+                    cls._type_desc,
+                    str(getattr(cls, dname)).upper(),
+                )
+            )
+            return
+        if dname in cls._all_names:
+            setattr(cls, dname, value)
+        else:
+            raise ValueError("no such {} {!r}".format(cls._type_desc, dname))
+
+    enable = classmethod(lambda cls, name: cls._set(name, True))
+    disable = classmethod(lambda cls, name: cls._set(name, False))
+
+
+@lru_cache(maxsize=128)
+def col(loc: int, strg: str) -> int:
+    """
+    Returns current column within a string, counting newlines as line separators.
+    The first column is number 1.
+
+    Note: the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See
+    :class:`ParserElement.parseString` for more
+    information on parsing strings containing ``<TAB>`` s, and suggested
+    methods to maintain a consistent view of the parsed string, the parse
+    location, and line and column positions within the parsed string.
+    """
+    s = strg
+    return 1 if 0 < loc < len(s) and s[loc - 1] == "\n" else loc - s.rfind("\n", 0, loc)
+
+
+@lru_cache(maxsize=128)
+def lineno(loc: int, strg: str) -> int:
+    """Returns current line number within a string, counting newlines as line separators.
+    The first line is number 1.
+
+    Note - the default parsing behavior is to expand tabs in the input string
+    before starting the parsing process.  See :class:`ParserElement.parseString`
+    for more information on parsing strings containing ``<TAB>`` s, and
+    suggested methods to maintain a consistent view of the parsed string, the
+    parse location, and line and column positions within the parsed string.
+    """
+    return strg.count("\n", 0, loc) + 1
+
+
+@lru_cache(maxsize=128)
+def line(loc: int, strg: str) -> str:
+    """
+    Returns the line of text containing loc within a string, counting newlines as line separators.
+    """
+    last_cr = strg.rfind("\n", 0, loc)
+    next_cr = strg.find("\n", loc)
+    return strg[last_cr + 1 : next_cr] if next_cr >= 0 else strg[last_cr + 1 :]
+
+
+class _UnboundedCache:
+    def __init__(self):
+        cache = {}
+        cache_get = cache.get
+        self.not_in_cache = not_in_cache = object()
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+
+        def clear(_):
+            cache.clear()
+
+        self.size = None
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class _FifoCache:
+    def __init__(self, size):
+        self.not_in_cache = not_in_cache = object()
+        cache = collections.OrderedDict()
+        cache_get = cache.get
+
+        def get(_, key):
+            return cache_get(key, not_in_cache)
+
+        def set_(_, key, value):
+            cache[key] = value
+            while len(cache) > size:
+                cache.popitem(last=False)
+
+        def clear(_):
+            cache.clear()
+
+        self.size = size
+        self.get = types.MethodType(get, self)
+        self.set = types.MethodType(set_, self)
+        self.clear = types.MethodType(clear, self)
+
+
+class LRUMemo:
+    """
+    A memoizing mapping that retains `capacity` deleted items
+
+    The memo tracks retained items by their access order; once `capacity` items
+    are retained, the least recently used item is discarded.
+    """
+
+    def __init__(self, capacity):
+        self._capacity = capacity
+        self._active = {}
+        self._memory = collections.OrderedDict()
+
+    def __getitem__(self, key):
+        try:
+            return self._active[key]
+        except KeyError:
+            self._memory.move_to_end(key)
+            return self._memory[key]
+
+    def __setitem__(self, key, value):
+        self._memory.pop(key, None)
+        self._active[key] = value
+
+    def __delitem__(self, key):
+        try:
+            value = self._active.pop(key)
+        except KeyError:
+            pass
+        else:
+            while len(self._memory) >= self._capacity:
+                self._memory.popitem(last=False)
+            self._memory[key] = value
+
+    def clear(self):
+        self._active.clear()
+        self._memory.clear()
+
+
+class UnboundedMemo(dict):
+    """
+    A memoizing mapping that retains all deleted items
+    """
+
+    def __delitem__(self, key):
+        pass
+
+
+def _escape_regex_range_chars(s: str) -> str:
+    # escape these chars: ^-[]
+    for c in r"\^-[]":
+        s = s.replace(c, _bslash + c)
+    s = s.replace("\n", r"\n")
+    s = s.replace("\t", r"\t")
+    return str(s)
+
+
+def _collapse_string_to_ranges(
+    s: Union[str, Iterable[str]], re_escape: bool = True
+) -> str:
+    def is_consecutive(c):
+        c_int = ord(c)
+        is_consecutive.prev, prev = c_int, is_consecutive.prev
+        if c_int - prev > 1:
+            is_consecutive.value = next(is_consecutive.counter)
+        return is_consecutive.value
+
+    is_consecutive.prev = 0
+    is_consecutive.counter = itertools.count()
+    is_consecutive.value = -1
+
+    def escape_re_range_char(c):
+        return "\\" + c if c in r"\^-][" else c
+
+    def no_escape_re_range_char(c):
+        return c
+
+    if not re_escape:
+        escape_re_range_char = no_escape_re_range_char
+
+    ret = []
+    s = "".join(sorted(set(s)))
+    if len(s) > 3:
+        for _, chars in itertools.groupby(s, key=is_consecutive):
+            first = last = next(chars)
+            last = collections.deque(
+                itertools.chain(iter([last]), chars), maxlen=1
+            ).pop()
+            if first == last:
+                ret.append(escape_re_range_char(first))
+            else:
+                sep = "" if ord(last) == ord(first) + 1 else "-"
+                ret.append(
+                    "{}{}{}".format(
+                        escape_re_range_char(first), sep, escape_re_range_char(last)
+                    )
+                )
+    else:
+        ret = [escape_re_range_char(c) for c in s]
+
+    return "".join(ret)
+
+
+def _flatten(ll: list) -> list:
+    ret = []
+    for i in ll:
+        if isinstance(i, list):
+            ret.extend(_flatten(i))
+        else:
+            ret.append(i)
+    return ret
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/__init__.py
new file mode 100644
index 00000000..4c6ec97e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/__init__.py
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+__all__ = ("loads", "load", "TOMLDecodeError")
+__version__ = "2.0.1"  # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
+
+from ._parser import TOMLDecodeError, load, loads
+
+# Pretend this exception was created here.
+TOMLDecodeError.__module__ = __name__
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/__pycache__/__init__.cpython-311.pyc
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_parser.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_parser.py
new file mode 100644
index 00000000..f1bb0aa1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_parser.py
@@ -0,0 +1,691 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+from __future__ import annotations
+
+from collections.abc import Iterable
+import string
+from types import MappingProxyType
+from typing import Any, BinaryIO, NamedTuple
+
+from ._re import (
+    RE_DATETIME,
+    RE_LOCALTIME,
+    RE_NUMBER,
+    match_to_datetime,
+    match_to_localtime,
+    match_to_number,
+)
+from ._types import Key, ParseFloat, Pos
+
+ASCII_CTRL = frozenset(chr(i) for i in range(32)) | frozenset(chr(127))
+
+# Neither of these sets include quotation mark or backslash. They are
+# currently handled as separate cases in the parser functions.
+ILLEGAL_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t")
+ILLEGAL_MULTILINE_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t\n")
+
+ILLEGAL_LITERAL_STR_CHARS = ILLEGAL_BASIC_STR_CHARS
+ILLEGAL_MULTILINE_LITERAL_STR_CHARS = ILLEGAL_MULTILINE_BASIC_STR_CHARS
+
+ILLEGAL_COMMENT_CHARS = ILLEGAL_BASIC_STR_CHARS
+
+TOML_WS = frozenset(" \t")
+TOML_WS_AND_NEWLINE = TOML_WS | frozenset("\n")
+BARE_KEY_CHARS = frozenset(string.ascii_letters + string.digits + "-_")
+KEY_INITIAL_CHARS = BARE_KEY_CHARS | frozenset("\"'")
+HEXDIGIT_CHARS = frozenset(string.hexdigits)
+
+BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
+    {
+        "\\b": "\u0008",  # backspace
+        "\\t": "\u0009",  # tab
+        "\\n": "\u000A",  # linefeed
+        "\\f": "\u000C",  # form feed
+        "\\r": "\u000D",  # carriage return
+        '\\"': "\u0022",  # quote
+        "\\\\": "\u005C",  # backslash
+    }
+)
+
+
+class TOMLDecodeError(ValueError):
+    """An error raised if a document is not valid TOML."""
+
+
+def load(__fp: BinaryIO, *, parse_float: ParseFloat = float) -> dict[str, Any]:
+    """Parse TOML from a binary file object."""
+    b = __fp.read()
+    try:
+        s = b.decode()
+    except AttributeError:
+        raise TypeError(
+            "File must be opened in binary mode, e.g. use `open('foo.toml', 'rb')`"
+        ) from None
+    return loads(s, parse_float=parse_float)
+
+
+def loads(__s: str, *, parse_float: ParseFloat = float) -> dict[str, Any]:  # noqa: C901
+    """Parse TOML from a string."""
+
+    # The spec allows converting "\r\n" to "\n", even in string
+    # literals. Let's do so to simplify parsing.
+    src = __s.replace("\r\n", "\n")
+    pos = 0
+    out = Output(NestedDict(), Flags())
+    header: Key = ()
+    parse_float = make_safe_parse_float(parse_float)
+
+    # Parse one statement at a time
+    # (typically means one line in TOML source)
+    while True:
+        # 1. Skip line leading whitespace
+        pos = skip_chars(src, pos, TOML_WS)
+
+        # 2. Parse rules. Expect one of the following:
+        #    - end of file
+        #    - end of line
+        #    - comment
+        #    - key/value pair
+        #    - append dict to list (and move to its namespace)
+        #    - create dict (and move to its namespace)
+        # Skip trailing whitespace when applicable.
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char == "\n":
+            pos += 1
+            continue
+        if char in KEY_INITIAL_CHARS:
+            pos = key_value_rule(src, pos, out, header, parse_float)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char == "[":
+            try:
+                second_char: str | None = src[pos + 1]
+            except IndexError:
+                second_char = None
+            out.flags.finalize_pending()
+            if second_char == "[":
+                pos, header = create_list_rule(src, pos, out)
+            else:
+                pos, header = create_dict_rule(src, pos, out)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char != "#":
+            raise suffixed_err(src, pos, "Invalid statement")
+
+        # 3. Skip comment
+        pos = skip_comment(src, pos)
+
+        # 4. Expect end of line or end of file
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char != "\n":
+            raise suffixed_err(
+                src, pos, "Expected newline or end of document after a statement"
+            )
+        pos += 1
+
+    return out.data.dict
+
+
+class Flags:
+    """Flags that map to parsed keys/namespaces."""
+
+    # Marks an immutable namespace (inline array or inline table).
+    FROZEN = 0
+    # Marks a nest that has been explicitly created and can no longer
+    # be opened using the "[table]" syntax.
+    EXPLICIT_NEST = 1
+
+    def __init__(self) -> None:
+        self._flags: dict[str, dict] = {}
+        self._pending_flags: set[tuple[Key, int]] = set()
+
+    def add_pending(self, key: Key, flag: int) -> None:
+        self._pending_flags.add((key, flag))
+
+    def finalize_pending(self) -> None:
+        for key, flag in self._pending_flags:
+            self.set(key, flag, recursive=False)
+        self._pending_flags.clear()
+
+    def unset_all(self, key: Key) -> None:
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return
+            cont = cont[k]["nested"]
+        cont.pop(key[-1], None)
+
+    def set(self, key: Key, flag: int, *, recursive: bool) -> None:  # noqa: A003
+        cont = self._flags
+        key_parent, key_stem = key[:-1], key[-1]
+        for k in key_parent:
+            if k not in cont:
+                cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+        if key_stem not in cont:
+            cont[key_stem] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+        cont[key_stem]["recursive_flags" if recursive else "flags"].add(flag)
+
+    def is_(self, key: Key, flag: int) -> bool:
+        if not key:
+            return False  # document root has no flags
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return False
+            inner_cont = cont[k]
+            if flag in inner_cont["recursive_flags"]:
+                return True
+            cont = inner_cont["nested"]
+        key_stem = key[-1]
+        if key_stem in cont:
+            cont = cont[key_stem]
+            return flag in cont["flags"] or flag in cont["recursive_flags"]
+        return False
+
+
+class NestedDict:
+    def __init__(self) -> None:
+        # The parsed content of the TOML document
+        self.dict: dict[str, Any] = {}
+
+    def get_or_create_nest(
+        self,
+        key: Key,
+        *,
+        access_lists: bool = True,
+    ) -> dict:
+        cont: Any = self.dict
+        for k in key:
+            if k not in cont:
+                cont[k] = {}
+            cont = cont[k]
+            if access_lists and isinstance(cont, list):
+                cont = cont[-1]
+            if not isinstance(cont, dict):
+                raise KeyError("There is no nest behind this key")
+        return cont
+
+    def append_nest_to_list(self, key: Key) -> None:
+        cont = self.get_or_create_nest(key[:-1])
+        last_key = key[-1]
+        if last_key in cont:
+            list_ = cont[last_key]
+            if not isinstance(list_, list):
+                raise KeyError("An object other than list found behind this key")
+            list_.append({})
+        else:
+            cont[last_key] = [{}]
+
+
+class Output(NamedTuple):
+    data: NestedDict
+    flags: Flags
+
+
+def skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
+    try:
+        while src[pos] in chars:
+            pos += 1
+    except IndexError:
+        pass
+    return pos
+
+
+def skip_until(
+    src: str,
+    pos: Pos,
+    expect: str,
+    *,
+    error_on: frozenset[str],
+    error_on_eof: bool,
+) -> Pos:
+    try:
+        new_pos = src.index(expect, pos)
+    except ValueError:
+        new_pos = len(src)
+        if error_on_eof:
+            raise suffixed_err(src, new_pos, f"Expected {expect!r}") from None
+
+    if not error_on.isdisjoint(src[pos:new_pos]):
+        while src[pos] not in error_on:
+            pos += 1
+        raise suffixed_err(src, pos, f"Found invalid character {src[pos]!r}")
+    return new_pos
+
+
+def skip_comment(src: str, pos: Pos) -> Pos:
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+    if char == "#":
+        return skip_until(
+            src, pos + 1, "\n", error_on=ILLEGAL_COMMENT_CHARS, error_on_eof=False
+        )
+    return pos
+
+
+def skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
+    while True:
+        pos_before_skip = pos
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        pos = skip_comment(src, pos)
+        if pos == pos_before_skip:
+            return pos
+
+
+def create_dict_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
+    pos += 1  # Skip "["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if out.flags.is_(key, Flags.EXPLICIT_NEST) or out.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Cannot declare {key} twice")
+    out.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        out.data.get_or_create_nest(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+
+    if not src.startswith("]", pos):
+        raise suffixed_err(src, pos, "Expected ']' at the end of a table declaration")
+    return pos + 1, key
+
+
+def create_list_rule(src: str, pos: Pos, out: Output) -> tuple[Pos, Key]:
+    pos += 2  # Skip "[["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if out.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Cannot mutate immutable namespace {key}")
+    # Free the namespace now that it points to another empty list item...
+    out.flags.unset_all(key)
+    # ...but this key precisely is still prohibited from table declaration
+    out.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        out.data.append_nest_to_list(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+
+    if not src.startswith("]]", pos):
+        raise suffixed_err(src, pos, "Expected ']]' at the end of an array declaration")
+    return pos + 2, key
+
+
+def key_value_rule(
+    src: str, pos: Pos, out: Output, header: Key, parse_float: ParseFloat
+) -> Pos:
+    pos, key, value = parse_key_value_pair(src, pos, parse_float)
+    key_parent, key_stem = key[:-1], key[-1]
+    abs_key_parent = header + key_parent
+
+    relative_path_cont_keys = (header + key[:i] for i in range(1, len(key)))
+    for cont_key in relative_path_cont_keys:
+        # Check that dotted key syntax does not redefine an existing table
+        if out.flags.is_(cont_key, Flags.EXPLICIT_NEST):
+            raise suffixed_err(src, pos, f"Cannot redefine namespace {cont_key}")
+        # Containers in the relative path can't be opened with the table syntax or
+        # dotted key/value syntax in following table sections.
+        out.flags.add_pending(cont_key, Flags.EXPLICIT_NEST)
+
+    if out.flags.is_(abs_key_parent, Flags.FROZEN):
+        raise suffixed_err(
+            src, pos, f"Cannot mutate immutable namespace {abs_key_parent}"
+        )
+
+    try:
+        nest = out.data.get_or_create_nest(abs_key_parent)
+    except KeyError:
+        raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+    if key_stem in nest:
+        raise suffixed_err(src, pos, "Cannot overwrite a value")
+    # Mark inline table and array namespaces recursively immutable
+    if isinstance(value, (dict, list)):
+        out.flags.set(header + key, Flags.FROZEN, recursive=True)
+    nest[key_stem] = value
+    return pos
+
+
+def parse_key_value_pair(
+    src: str, pos: Pos, parse_float: ParseFloat
+) -> tuple[Pos, Key, Any]:
+    pos, key = parse_key(src, pos)
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+    if char != "=":
+        raise suffixed_err(src, pos, "Expected '=' after a key in a key/value pair")
+    pos += 1
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, value = parse_value(src, pos, parse_float)
+    return pos, key, value
+
+
+def parse_key(src: str, pos: Pos) -> tuple[Pos, Key]:
+    pos, key_part = parse_key_part(src, pos)
+    key: Key = (key_part,)
+    pos = skip_chars(src, pos, TOML_WS)
+    while True:
+        try:
+            char: str | None = src[pos]
+        except IndexError:
+            char = None
+        if char != ".":
+            return pos, key
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+        pos, key_part = parse_key_part(src, pos)
+        key += (key_part,)
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_key_part(src: str, pos: Pos) -> tuple[Pos, str]:
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+    if char in BARE_KEY_CHARS:
+        start_pos = pos
+        pos = skip_chars(src, pos, BARE_KEY_CHARS)
+        return pos, src[start_pos:pos]
+    if char == "'":
+        return parse_literal_str(src, pos)
+    if char == '"':
+        return parse_one_line_basic_str(src, pos)
+    raise suffixed_err(src, pos, "Invalid initial character for a key part")
+
+
+def parse_one_line_basic_str(src: str, pos: Pos) -> tuple[Pos, str]:
+    pos += 1
+    return parse_basic_str(src, pos, multiline=False)
+
+
+def parse_array(src: str, pos: Pos, parse_float: ParseFloat) -> tuple[Pos, list]:
+    pos += 1
+    array: list = []
+
+    pos = skip_comments_and_array_ws(src, pos)
+    if src.startswith("]", pos):
+        return pos + 1, array
+    while True:
+        pos, val = parse_value(src, pos, parse_float)
+        array.append(val)
+        pos = skip_comments_and_array_ws(src, pos)
+
+        c = src[pos : pos + 1]
+        if c == "]":
+            return pos + 1, array
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed array")
+        pos += 1
+
+        pos = skip_comments_and_array_ws(src, pos)
+        if src.startswith("]", pos):
+            return pos + 1, array
+
+
+def parse_inline_table(src: str, pos: Pos, parse_float: ParseFloat) -> tuple[Pos, dict]:
+    pos += 1
+    nested_dict = NestedDict()
+    flags = Flags()
+
+    pos = skip_chars(src, pos, TOML_WS)
+    if src.startswith("}", pos):
+        return pos + 1, nested_dict.dict
+    while True:
+        pos, key, value = parse_key_value_pair(src, pos, parse_float)
+        key_parent, key_stem = key[:-1], key[-1]
+        if flags.is_(key, Flags.FROZEN):
+            raise suffixed_err(src, pos, f"Cannot mutate immutable namespace {key}")
+        try:
+            nest = nested_dict.get_or_create_nest(key_parent, access_lists=False)
+        except KeyError:
+            raise suffixed_err(src, pos, "Cannot overwrite a value") from None
+        if key_stem in nest:
+            raise suffixed_err(src, pos, f"Duplicate inline table key {key_stem!r}")
+        nest[key_stem] = value
+        pos = skip_chars(src, pos, TOML_WS)
+        c = src[pos : pos + 1]
+        if c == "}":
+            return pos + 1, nested_dict.dict
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed inline table")
+        if isinstance(value, (dict, list)):
+            flags.set(key, Flags.FROZEN, recursive=True)
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_basic_str_escape(
+    src: str, pos: Pos, *, multiline: bool = False
+) -> tuple[Pos, str]:
+    escape_id = src[pos : pos + 2]
+    pos += 2
+    if multiline and escape_id in {"\\ ", "\\\t", "\\\n"}:
+        # Skip whitespace until next non-whitespace character or end of
+        # the doc. Error if non-whitespace is found before newline.
+        if escape_id != "\\\n":
+            pos = skip_chars(src, pos, TOML_WS)
+            try:
+                char = src[pos]
+            except IndexError:
+                return pos, ""
+            if char != "\n":
+                raise suffixed_err(src, pos, "Unescaped '\\' in a string")
+            pos += 1
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        return pos, ""
+    if escape_id == "\\u":
+        return parse_hex_char(src, pos, 4)
+    if escape_id == "\\U":
+        return parse_hex_char(src, pos, 8)
+    try:
+        return pos, BASIC_STR_ESCAPE_REPLACEMENTS[escape_id]
+    except KeyError:
+        raise suffixed_err(src, pos, "Unescaped '\\' in a string") from None
+
+
+def parse_basic_str_escape_multiline(src: str, pos: Pos) -> tuple[Pos, str]:
+    return parse_basic_str_escape(src, pos, multiline=True)
+
+
+def parse_hex_char(src: str, pos: Pos, hex_len: int) -> tuple[Pos, str]:
+    hex_str = src[pos : pos + hex_len]
+    if len(hex_str) != hex_len or not HEXDIGIT_CHARS.issuperset(hex_str):
+        raise suffixed_err(src, pos, "Invalid hex value")
+    pos += hex_len
+    hex_int = int(hex_str, 16)
+    if not is_unicode_scalar_value(hex_int):
+        raise suffixed_err(src, pos, "Escaped character is not a Unicode scalar value")
+    return pos, chr(hex_int)
+
+
+def parse_literal_str(src: str, pos: Pos) -> tuple[Pos, str]:
+    pos += 1  # Skip starting apostrophe
+    start_pos = pos
+    pos = skip_until(
+        src, pos, "'", error_on=ILLEGAL_LITERAL_STR_CHARS, error_on_eof=True
+    )
+    return pos + 1, src[start_pos:pos]  # Skip ending apostrophe
+
+
+def parse_multiline_str(src: str, pos: Pos, *, literal: bool) -> tuple[Pos, str]:
+    pos += 3
+    if src.startswith("\n", pos):
+        pos += 1
+
+    if literal:
+        delim = "'"
+        end_pos = skip_until(
+            src,
+            pos,
+            "'''",
+            error_on=ILLEGAL_MULTILINE_LITERAL_STR_CHARS,
+            error_on_eof=True,
+        )
+        result = src[pos:end_pos]
+        pos = end_pos + 3
+    else:
+        delim = '"'
+        pos, result = parse_basic_str(src, pos, multiline=True)
+
+    # Add at maximum two extra apostrophes/quotes if the end sequence
+    # is 4 or 5 chars long instead of just 3.
+    if not src.startswith(delim, pos):
+        return pos, result
+    pos += 1
+    if not src.startswith(delim, pos):
+        return pos, result + delim
+    pos += 1
+    return pos, result + (delim * 2)
+
+
+def parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> tuple[Pos, str]:
+    if multiline:
+        error_on = ILLEGAL_MULTILINE_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape_multiline
+    else:
+        error_on = ILLEGAL_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape
+    result = ""
+    start_pos = pos
+    while True:
+        try:
+            char = src[pos]
+        except IndexError:
+            raise suffixed_err(src, pos, "Unterminated string") from None
+        if char == '"':
+            if not multiline:
+                return pos + 1, result + src[start_pos:pos]
+            if src.startswith('"""', pos):
+                return pos + 3, result + src[start_pos:pos]
+            pos += 1
+            continue
+        if char == "\\":
+            result += src[start_pos:pos]
+            pos, parsed_escape = parse_escapes(src, pos)
+            result += parsed_escape
+            start_pos = pos
+            continue
+        if char in error_on:
+            raise suffixed_err(src, pos, f"Illegal character {char!r}")
+        pos += 1
+
+
+def parse_value(  # noqa: C901
+    src: str, pos: Pos, parse_float: ParseFloat
+) -> tuple[Pos, Any]:
+    try:
+        char: str | None = src[pos]
+    except IndexError:
+        char = None
+
+    # IMPORTANT: order conditions based on speed of checking and likelihood
+
+    # Basic strings
+    if char == '"':
+        if src.startswith('"""', pos):
+            return parse_multiline_str(src, pos, literal=False)
+        return parse_one_line_basic_str(src, pos)
+
+    # Literal strings
+    if char == "'":
+        if src.startswith("'''", pos):
+            return parse_multiline_str(src, pos, literal=True)
+        return parse_literal_str(src, pos)
+
+    # Booleans
+    if char == "t":
+        if src.startswith("true", pos):
+            return pos + 4, True
+    if char == "f":
+        if src.startswith("false", pos):
+            return pos + 5, False
+
+    # Arrays
+    if char == "[":
+        return parse_array(src, pos, parse_float)
+
+    # Inline tables
+    if char == "{":
+        return parse_inline_table(src, pos, parse_float)
+
+    # Dates and times
+    datetime_match = RE_DATETIME.match(src, pos)
+    if datetime_match:
+        try:
+            datetime_obj = match_to_datetime(datetime_match)
+        except ValueError as e:
+            raise suffixed_err(src, pos, "Invalid date or datetime") from e
+        return datetime_match.end(), datetime_obj
+    localtime_match = RE_LOCALTIME.match(src, pos)
+    if localtime_match:
+        return localtime_match.end(), match_to_localtime(localtime_match)
+
+    # Integers and "normal" floats.
+    # The regex will greedily match any type starting with a decimal
+    # char, so needs to be located after handling of dates and times.
+    number_match = RE_NUMBER.match(src, pos)
+    if number_match:
+        return number_match.end(), match_to_number(number_match, parse_float)
+
+    # Special floats
+    first_three = src[pos : pos + 3]
+    if first_three in {"inf", "nan"}:
+        return pos + 3, parse_float(first_three)
+    first_four = src[pos : pos + 4]
+    if first_four in {"-inf", "+inf", "-nan", "+nan"}:
+        return pos + 4, parse_float(first_four)
+
+    raise suffixed_err(src, pos, "Invalid value")
+
+
+def suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
+    """Return a `TOMLDecodeError` where error message is suffixed with
+    coordinates in source."""
+
+    def coord_repr(src: str, pos: Pos) -> str:
+        if pos >= len(src):
+            return "end of document"
+        line = src.count("\n", 0, pos) + 1
+        if line == 1:
+            column = pos + 1
+        else:
+            column = pos - src.rindex("\n", 0, pos)
+        return f"line {line}, column {column}"
+
+    return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})")
+
+
+def is_unicode_scalar_value(codepoint: int) -> bool:
+    return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111)
+
+
+def make_safe_parse_float(parse_float: ParseFloat) -> ParseFloat:
+    """A decorator to make `parse_float` safe.
+
+    `parse_float` must not return dicts or lists, because these types
+    would be mixed with parsed TOML tables and arrays, thus confusing
+    the parser. The returned decorated callable raises `ValueError`
+    instead of returning illegal types.
+    """
+    # The default `float` callable never returns illegal types. Optimize it.
+    if parse_float is float:  # type: ignore[comparison-overlap]
+        return float
+
+    def safe_parse_float(float_str: str) -> Any:
+        float_value = parse_float(float_str)
+        if isinstance(float_value, (dict, list)):
+            raise ValueError("parse_float must not return dicts or lists")
+        return float_value
+
+    return safe_parse_float
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_re.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_re.py
new file mode 100644
index 00000000..994bb749
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_re.py
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+from __future__ import annotations
+
+from datetime import date, datetime, time, timedelta, timezone, tzinfo
+from functools import lru_cache
+import re
+from typing import Any
+
+from ._types import ParseFloat
+
+# E.g.
+# - 00:32:00.999999
+# - 00:32:00
+_TIME_RE_STR = r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(?:\.([0-9]{1,6})[0-9]*)?"
+
+RE_NUMBER = re.compile(
+    r"""
+0
+(?:
+    x[0-9A-Fa-f](?:_?[0-9A-Fa-f])*   # hex
+    |
+    b[01](?:_?[01])*                 # bin
+    |
+    o[0-7](?:_?[0-7])*               # oct
+)
+|
+[+-]?(?:0|[1-9](?:_?[0-9])*)         # dec, integer part
+(?P<floatpart>
+    (?:\.[0-9](?:_?[0-9])*)?         # optional fractional part
+    (?:[eE][+-]?[0-9](?:_?[0-9])*)?  # optional exponent part
+)
+""",
+    flags=re.VERBOSE,
+)
+RE_LOCALTIME = re.compile(_TIME_RE_STR)
+RE_DATETIME = re.compile(
+    rf"""
+([0-9]{{4}})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])  # date, e.g. 1988-10-27
+(?:
+    [Tt ]
+    {_TIME_RE_STR}
+    (?:([Zz])|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))?  # optional time offset
+)?
+""",
+    flags=re.VERBOSE,
+)
+
+
+def match_to_datetime(match: re.Match) -> datetime | date:
+    """Convert a `RE_DATETIME` match to `datetime.datetime` or `datetime.date`.
+
+    Raises ValueError if the match does not correspond to a valid date
+    or datetime.
+    """
+    (
+        year_str,
+        month_str,
+        day_str,
+        hour_str,
+        minute_str,
+        sec_str,
+        micros_str,
+        zulu_time,
+        offset_sign_str,
+        offset_hour_str,
+        offset_minute_str,
+    ) = match.groups()
+    year, month, day = int(year_str), int(month_str), int(day_str)
+    if hour_str is None:
+        return date(year, month, day)
+    hour, minute, sec = int(hour_str), int(minute_str), int(sec_str)
+    micros = int(micros_str.ljust(6, "0")) if micros_str else 0
+    if offset_sign_str:
+        tz: tzinfo | None = cached_tz(
+            offset_hour_str, offset_minute_str, offset_sign_str
+        )
+    elif zulu_time:
+        tz = timezone.utc
+    else:  # local date-time
+        tz = None
+    return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
+
+
+@lru_cache(maxsize=None)
+def cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone:
+    sign = 1 if sign_str == "+" else -1
+    return timezone(
+        timedelta(
+            hours=sign * int(hour_str),
+            minutes=sign * int(minute_str),
+        )
+    )
+
+
+def match_to_localtime(match: re.Match) -> time:
+    hour_str, minute_str, sec_str, micros_str = match.groups()
+    micros = int(micros_str.ljust(6, "0")) if micros_str else 0
+    return time(int(hour_str), int(minute_str), int(sec_str), micros)
+
+
+def match_to_number(match: re.Match, parse_float: ParseFloat) -> Any:
+    if match.group("floatpart"):
+        return parse_float(match.group())
+    return int(match.group(), 0)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_types.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_types.py
new file mode 100644
index 00000000..d949412e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/tomli/_types.py
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
+# Licensed to PSF under a Contributor Agreement.
+
+from typing import Any, Callable, Tuple
+
+# Type annotations
+ParseFloat = Callable[[str], Any]
+Key = Tuple[str, ...]
+Pos = int
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/typing_extensions.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/typing_extensions.py
new file mode 100644
index 00000000..9f1c7aa3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/typing_extensions.py
@@ -0,0 +1,2296 @@
+import abc
+import collections
+import collections.abc
+import operator
+import sys
+import typing
+
+# After PEP 560, internal typing API was substantially reworked.
+# This is especially important for Protocol class which uses internal APIs
+# quite extensively.
+PEP_560 = sys.version_info[:3] >= (3, 7, 0)
+
+if PEP_560:
+    GenericMeta = type
+else:
+    # 3.6
+    from typing import GenericMeta, _type_vars  # noqa
+
+# The two functions below are copies of typing internal helpers.
+# They are needed by _ProtocolMeta
+
+
+def _no_slots_copy(dct):
+    dict_copy = dict(dct)
+    if '__slots__' in dict_copy:
+        for slot in dict_copy['__slots__']:
+            dict_copy.pop(slot, None)
+    return dict_copy
+
+
+def _check_generic(cls, parameters):
+    if not cls.__parameters__:
+        raise TypeError(f"{cls} is not a generic class")
+    alen = len(parameters)
+    elen = len(cls.__parameters__)
+    if alen != elen:
+        raise TypeError(f"Too {'many' if alen > elen else 'few'} arguments for {cls};"
+                        f" actual {alen}, expected {elen}")
+
+
+# Please keep __all__ alphabetized within each category.
+__all__ = [
+    # Super-special typing primitives.
+    'ClassVar',
+    'Concatenate',
+    'Final',
+    'ParamSpec',
+    'Self',
+    'Type',
+
+    # ABCs (from collections.abc).
+    'Awaitable',
+    'AsyncIterator',
+    'AsyncIterable',
+    'Coroutine',
+    'AsyncGenerator',
+    'AsyncContextManager',
+    'ChainMap',
+
+    # Concrete collection types.
+    'ContextManager',
+    'Counter',
+    'Deque',
+    'DefaultDict',
+    'OrderedDict',
+    'TypedDict',
+
+    # Structural checks, a.k.a. protocols.
+    'SupportsIndex',
+
+    # One-off things.
+    'Annotated',
+    'final',
+    'IntVar',
+    'Literal',
+    'NewType',
+    'overload',
+    'Protocol',
+    'runtime',
+    'runtime_checkable',
+    'Text',
+    'TypeAlias',
+    'TypeGuard',
+    'TYPE_CHECKING',
+]
+
+if PEP_560:
+    __all__.extend(["get_args", "get_origin", "get_type_hints"])
+
+# 3.6.2+
+if hasattr(typing, 'NoReturn'):
+    NoReturn = typing.NoReturn
+# 3.6.0-3.6.1
+else:
+    class _NoReturn(typing._FinalTypingBase, _root=True):
+        """Special type indicating functions that never return.
+        Example::
+
+          from typing import NoReturn
+
+          def stop() -> NoReturn:
+              raise Exception('no way')
+
+        This type is invalid in other positions, e.g., ``List[NoReturn]``
+        will fail in static type checkers.
+        """
+        __slots__ = ()
+
+        def __instancecheck__(self, obj):
+            raise TypeError("NoReturn cannot be used with isinstance().")
+
+        def __subclasscheck__(self, cls):
+            raise TypeError("NoReturn cannot be used with issubclass().")
+
+    NoReturn = _NoReturn(_root=True)
+
+# Some unconstrained type variables.  These are used by the container types.
+# (These are not for export.)
+T = typing.TypeVar('T')  # Any type.
+KT = typing.TypeVar('KT')  # Key type.
+VT = typing.TypeVar('VT')  # Value type.
+T_co = typing.TypeVar('T_co', covariant=True)  # Any type covariant containers.
+T_contra = typing.TypeVar('T_contra', contravariant=True)  # Ditto contravariant.
+
+ClassVar = typing.ClassVar
+
+# On older versions of typing there is an internal class named "Final".
+# 3.8+
+if hasattr(typing, 'Final') and sys.version_info[:2] >= (3, 7):
+    Final = typing.Final
+# 3.7
+elif sys.version_info[:2] >= (3, 7):
+    class _FinalForm(typing._SpecialForm, _root=True):
+
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+        def __getitem__(self, parameters):
+            item = typing._type_check(parameters,
+                                      f'{self._name} accepts only single type')
+            return typing._GenericAlias(self, (item,))
+
+    Final = _FinalForm('Final',
+                       doc="""A special typing construct to indicate that a name
+                       cannot be re-assigned or overridden in a subclass.
+                       For example:
+
+                           MAX_SIZE: Final = 9000
+                           MAX_SIZE += 1  # Error reported by type checker
+
+                           class Connection:
+                               TIMEOUT: Final[int] = 10
+                           class FastConnector(Connection):
+                               TIMEOUT = 1  # Error reported by type checker
+
+                       There is no runtime checking of these properties.""")
+# 3.6
+else:
+    class _Final(typing._FinalTypingBase, _root=True):
+        """A special typing construct to indicate that a name
+        cannot be re-assigned or overridden in a subclass.
+        For example:
+
+            MAX_SIZE: Final = 9000
+            MAX_SIZE += 1  # Error reported by type checker
+
+            class Connection:
+                TIMEOUT: Final[int] = 10
+            class FastConnector(Connection):
+                TIMEOUT = 1  # Error reported by type checker
+
+        There is no runtime checking of these properties.
+        """
+
+        __slots__ = ('__type__',)
+
+        def __init__(self, tp=None, **kwds):
+            self.__type__ = tp
+
+        def __getitem__(self, item):
+            cls = type(self)
+            if self.__type__ is None:
+                return cls(typing._type_check(item,
+                           f'{cls.__name__[1:]} accepts only single type.'),
+                           _root=True)
+            raise TypeError(f'{cls.__name__[1:]} cannot be further subscripted')
+
+        def _eval_type(self, globalns, localns):
+            new_tp = typing._eval_type(self.__type__, globalns, localns)
+            if new_tp == self.__type__:
+                return self
+            return type(self)(new_tp, _root=True)
+
+        def __repr__(self):
+            r = super().__repr__()
+            if self.__type__ is not None:
+                r += f'[{typing._type_repr(self.__type__)}]'
+            return r
+
+        def __hash__(self):
+            return hash((type(self).__name__, self.__type__))
+
+        def __eq__(self, other):
+            if not isinstance(other, _Final):
+                return NotImplemented
+            if self.__type__ is not None:
+                return self.__type__ == other.__type__
+            return self is other
+
+    Final = _Final(_root=True)
+
+
+# 3.8+
+if hasattr(typing, 'final'):
+    final = typing.final
+# 3.6-3.7
+else:
+    def final(f):
+        """This decorator can be used to indicate to type checkers that
+        the decorated method cannot be overridden, and decorated class
+        cannot be subclassed. For example:
+
+            class Base:
+                @final
+                def done(self) -> None:
+                    ...
+            class Sub(Base):
+                def done(self) -> None:  # Error reported by type checker
+                    ...
+            @final
+            class Leaf:
+                ...
+            class Other(Leaf):  # Error reported by type checker
+                ...
+
+        There is no runtime checking of these properties.
+        """
+        return f
+
+
+def IntVar(name):
+    return typing.TypeVar(name)
+
+
+# 3.8+:
+if hasattr(typing, 'Literal'):
+    Literal = typing.Literal
+# 3.7:
+elif sys.version_info[:2] >= (3, 7):
+    class _LiteralForm(typing._SpecialForm, _root=True):
+
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+        def __getitem__(self, parameters):
+            return typing._GenericAlias(self, parameters)
+
+    Literal = _LiteralForm('Literal',
+                           doc="""A type that can be used to indicate to type checkers
+                           that the corresponding value has a value literally equivalent
+                           to the provided parameter. For example:
+
+                               var: Literal[4] = 4
+
+                           The type checker understands that 'var' is literally equal to
+                           the value 4 and no other value.
+
+                           Literal[...] cannot be subclassed. There is no runtime
+                           checking verifying that the parameter is actually a value
+                           instead of a type.""")
+# 3.6:
+else:
+    class _Literal(typing._FinalTypingBase, _root=True):
+        """A type that can be used to indicate to type checkers that the
+        corresponding value has a value literally equivalent to the
+        provided parameter. For example:
+
+            var: Literal[4] = 4
+
+        The type checker understands that 'var' is literally equal to the
+        value 4 and no other value.
+
+        Literal[...] cannot be subclassed. There is no runtime checking
+        verifying that the parameter is actually a value instead of a type.
+        """
+
+        __slots__ = ('__values__',)
+
+        def __init__(self, values=None, **kwds):
+            self.__values__ = values
+
+        def __getitem__(self, values):
+            cls = type(self)
+            if self.__values__ is None:
+                if not isinstance(values, tuple):
+                    values = (values,)
+                return cls(values, _root=True)
+            raise TypeError(f'{cls.__name__[1:]} cannot be further subscripted')
+
+        def _eval_type(self, globalns, localns):
+            return self
+
+        def __repr__(self):
+            r = super().__repr__()
+            if self.__values__ is not None:
+                r += f'[{", ".join(map(typing._type_repr, self.__values__))}]'
+            return r
+
+        def __hash__(self):
+            return hash((type(self).__name__, self.__values__))
+
+        def __eq__(self, other):
+            if not isinstance(other, _Literal):
+                return NotImplemented
+            if self.__values__ is not None:
+                return self.__values__ == other.__values__
+            return self is other
+
+    Literal = _Literal(_root=True)
+
+
+_overload_dummy = typing._overload_dummy  # noqa
+overload = typing.overload
+
+
+# This is not a real generic class.  Don't use outside annotations.
+Type = typing.Type
+
+# Various ABCs mimicking those in collections.abc.
+# A few are simply re-exported for completeness.
+
+
+class _ExtensionsGenericMeta(GenericMeta):
+    def __subclasscheck__(self, subclass):
+        """This mimics a more modern GenericMeta.__subclasscheck__() logic
+        (that does not have problems with recursion) to work around interactions
+        between collections, typing, and typing_extensions on older
+        versions of Python, see https://github.com/python/typing/issues/501.
+        """
+        if self.__origin__ is not None:
+            if sys._getframe(1).f_globals['__name__'] not in ['abc', 'functools']:
+                raise TypeError("Parameterized generics cannot be used with class "
+                                "or instance checks")
+            return False
+        if not self.__extra__:
+            return super().__subclasscheck__(subclass)
+        res = self.__extra__.__subclasshook__(subclass)
+        if res is not NotImplemented:
+            return res
+        if self.__extra__ in subclass.__mro__:
+            return True
+        for scls in self.__extra__.__subclasses__():
+            if isinstance(scls, GenericMeta):
+                continue
+            if issubclass(subclass, scls):
+                return True
+        return False
+
+
+Awaitable = typing.Awaitable
+Coroutine = typing.Coroutine
+AsyncIterable = typing.AsyncIterable
+AsyncIterator = typing.AsyncIterator
+
+# 3.6.1+
+if hasattr(typing, 'Deque'):
+    Deque = typing.Deque
+# 3.6.0
+else:
+    class Deque(collections.deque, typing.MutableSequence[T],
+                metaclass=_ExtensionsGenericMeta,
+                extra=collections.deque):
+        __slots__ = ()
+
+        def __new__(cls, *args, **kwds):
+            if cls._gorg is Deque:
+                return collections.deque(*args, **kwds)
+            return typing._generic_new(collections.deque, cls, *args, **kwds)
+
+ContextManager = typing.ContextManager
+# 3.6.2+
+if hasattr(typing, 'AsyncContextManager'):
+    AsyncContextManager = typing.AsyncContextManager
+# 3.6.0-3.6.1
+else:
+    from _collections_abc import _check_methods as _check_methods_in_mro  # noqa
+
+    class AsyncContextManager(typing.Generic[T_co]):
+        __slots__ = ()
+
+        async def __aenter__(self):
+            return self
+
+        @abc.abstractmethod
+        async def __aexit__(self, exc_type, exc_value, traceback):
+            return None
+
+        @classmethod
+        def __subclasshook__(cls, C):
+            if cls is AsyncContextManager:
+                return _check_methods_in_mro(C, "__aenter__", "__aexit__")
+            return NotImplemented
+
+DefaultDict = typing.DefaultDict
+
+# 3.7.2+
+if hasattr(typing, 'OrderedDict'):
+    OrderedDict = typing.OrderedDict
+# 3.7.0-3.7.2
+elif (3, 7, 0) <= sys.version_info[:3] < (3, 7, 2):
+    OrderedDict = typing._alias(collections.OrderedDict, (KT, VT))
+# 3.6
+else:
+    class OrderedDict(collections.OrderedDict, typing.MutableMapping[KT, VT],
+                      metaclass=_ExtensionsGenericMeta,
+                      extra=collections.OrderedDict):
+
+        __slots__ = ()
+
+        def __new__(cls, *args, **kwds):
+            if cls._gorg is OrderedDict:
+                return collections.OrderedDict(*args, **kwds)
+            return typing._generic_new(collections.OrderedDict, cls, *args, **kwds)
+
+# 3.6.2+
+if hasattr(typing, 'Counter'):
+    Counter = typing.Counter
+# 3.6.0-3.6.1
+else:
+    class Counter(collections.Counter,
+                  typing.Dict[T, int],
+                  metaclass=_ExtensionsGenericMeta, extra=collections.Counter):
+
+        __slots__ = ()
+
+        def __new__(cls, *args, **kwds):
+            if cls._gorg is Counter:
+                return collections.Counter(*args, **kwds)
+            return typing._generic_new(collections.Counter, cls, *args, **kwds)
+
+# 3.6.1+
+if hasattr(typing, 'ChainMap'):
+    ChainMap = typing.ChainMap
+elif hasattr(collections, 'ChainMap'):
+    class ChainMap(collections.ChainMap, typing.MutableMapping[KT, VT],
+                   metaclass=_ExtensionsGenericMeta,
+                   extra=collections.ChainMap):
+
+        __slots__ = ()
+
+        def __new__(cls, *args, **kwds):
+            if cls._gorg is ChainMap:
+                return collections.ChainMap(*args, **kwds)
+            return typing._generic_new(collections.ChainMap, cls, *args, **kwds)
+
+# 3.6.1+
+if hasattr(typing, 'AsyncGenerator'):
+    AsyncGenerator = typing.AsyncGenerator
+# 3.6.0
+else:
+    class AsyncGenerator(AsyncIterator[T_co], typing.Generic[T_co, T_contra],
+                         metaclass=_ExtensionsGenericMeta,
+                         extra=collections.abc.AsyncGenerator):
+        __slots__ = ()
+
+NewType = typing.NewType
+Text = typing.Text
+TYPE_CHECKING = typing.TYPE_CHECKING
+
+
+def _gorg(cls):
+    """This function exists for compatibility with old typing versions."""
+    assert isinstance(cls, GenericMeta)
+    if hasattr(cls, '_gorg'):
+        return cls._gorg
+    while cls.__origin__ is not None:
+        cls = cls.__origin__
+    return cls
+
+
+_PROTO_WHITELIST = ['Callable', 'Awaitable',
+                    'Iterable', 'Iterator', 'AsyncIterable', 'AsyncIterator',
+                    'Hashable', 'Sized', 'Container', 'Collection', 'Reversible',
+                    'ContextManager', 'AsyncContextManager']
+
+
+def _get_protocol_attrs(cls):
+    attrs = set()
+    for base in cls.__mro__[:-1]:  # without object
+        if base.__name__ in ('Protocol', 'Generic'):
+            continue
+        annotations = getattr(base, '__annotations__', {})
+        for attr in list(base.__dict__.keys()) + list(annotations.keys()):
+            if (not attr.startswith('_abc_') and attr not in (
+                    '__abstractmethods__', '__annotations__', '__weakref__',
+                    '_is_protocol', '_is_runtime_protocol', '__dict__',
+                    '__args__', '__slots__',
+                    '__next_in_mro__', '__parameters__', '__origin__',
+                    '__orig_bases__', '__extra__', '__tree_hash__',
+                    '__doc__', '__subclasshook__', '__init__', '__new__',
+                    '__module__', '_MutableMapping__marker', '_gorg')):
+                attrs.add(attr)
+    return attrs
+
+
+def _is_callable_members_only(cls):
+    return all(callable(getattr(cls, attr, None)) for attr in _get_protocol_attrs(cls))
+
+
+# 3.8+
+if hasattr(typing, 'Protocol'):
+    Protocol = typing.Protocol
+# 3.7
+elif PEP_560:
+    from typing import _collect_type_vars  # noqa
+
+    def _no_init(self, *args, **kwargs):
+        if type(self)._is_protocol:
+            raise TypeError('Protocols cannot be instantiated')
+
+    class _ProtocolMeta(abc.ABCMeta):
+        # This metaclass is a bit unfortunate and exists only because of the lack
+        # of __instancehook__.
+        def __instancecheck__(cls, instance):
+            # We need this method for situations where attributes are
+            # assigned in __init__.
+            if ((not getattr(cls, '_is_protocol', False) or
+                 _is_callable_members_only(cls)) and
+                    issubclass(instance.__class__, cls)):
+                return True
+            if cls._is_protocol:
+                if all(hasattr(instance, attr) and
+                       (not callable(getattr(cls, attr, None)) or
+                        getattr(instance, attr) is not None)
+                       for attr in _get_protocol_attrs(cls)):
+                    return True
+            return super().__instancecheck__(instance)
+
+    class Protocol(metaclass=_ProtocolMeta):
+        # There is quite a lot of overlapping code with typing.Generic.
+        # Unfortunately it is hard to avoid this while these live in two different
+        # modules. The duplicated code will be removed when Protocol is moved to typing.
+        """Base class for protocol classes. Protocol classes are defined as::
+
+            class Proto(Protocol):
+                def meth(self) -> int:
+                    ...
+
+        Such classes are primarily used with static type checkers that recognize
+        structural subtyping (static duck-typing), for example::
+
+            class C:
+                def meth(self) -> int:
+                    return 0
+
+            def func(x: Proto) -> int:
+                return x.meth()
+
+            func(C())  # Passes static type check
+
+        See PEP 544 for details. Protocol classes decorated with
+        @typing_extensions.runtime act as simple-minded runtime protocol that checks
+        only the presence of given attributes, ignoring their type signatures.
+
+        Protocol classes can be generic, they are defined as::
+
+            class GenProto(Protocol[T]):
+                def meth(self) -> T:
+                    ...
+        """
+        __slots__ = ()
+        _is_protocol = True
+
+        def __new__(cls, *args, **kwds):
+            if cls is Protocol:
+                raise TypeError("Type Protocol cannot be instantiated; "
+                                "it can only be used as a base class")
+            return super().__new__(cls)
+
+        @typing._tp_cache
+        def __class_getitem__(cls, params):
+            if not isinstance(params, tuple):
+                params = (params,)
+            if not params and cls is not typing.Tuple:
+                raise TypeError(
+                    f"Parameter list to {cls.__qualname__}[...] cannot be empty")
+            msg = "Parameters to generic types must be types."
+            params = tuple(typing._type_check(p, msg) for p in params)  # noqa
+            if cls is Protocol:
+                # Generic can only be subscripted with unique type variables.
+                if not all(isinstance(p, typing.TypeVar) for p in params):
+                    i = 0
+                    while isinstance(params[i], typing.TypeVar):
+                        i += 1
+                    raise TypeError(
+                        "Parameters to Protocol[...] must all be type variables."
+                        f" Parameter {i + 1} is {params[i]}")
+                if len(set(params)) != len(params):
+                    raise TypeError(
+                        "Parameters to Protocol[...] must all be unique")
+            else:
+                # Subscripting a regular Generic subclass.
+                _check_generic(cls, params)
+            return typing._GenericAlias(cls, params)
+
+        def __init_subclass__(cls, *args, **kwargs):
+            tvars = []
+            if '__orig_bases__' in cls.__dict__:
+                error = typing.Generic in cls.__orig_bases__
+            else:
+                error = typing.Generic in cls.__bases__
+            if error:
+                raise TypeError("Cannot inherit from plain Generic")
+            if '__orig_bases__' in cls.__dict__:
+                tvars = _collect_type_vars(cls.__orig_bases__)
+                # Look for Generic[T1, ..., Tn] or Protocol[T1, ..., Tn].
+                # If found, tvars must be a subset of it.
+                # If not found, tvars is it.
+                # Also check for and reject plain Generic,
+                # and reject multiple Generic[...] and/or Protocol[...].
+                gvars = None
+                for base in cls.__orig_bases__:
+                    if (isinstance(base, typing._GenericAlias) and
+                            base.__origin__ in (typing.Generic, Protocol)):
+                        # for error messages
+                        the_base = base.__origin__.__name__
+                        if gvars is not None:
+                            raise TypeError(
+                                "Cannot inherit from Generic[...]"
+                                " and/or Protocol[...] multiple types.")
+                        gvars = base.__parameters__
+                if gvars is None:
+                    gvars = tvars
+                else:
+                    tvarset = set(tvars)
+                    gvarset = set(gvars)
+                    if not tvarset <= gvarset:
+                        s_vars = ', '.join(str(t) for t in tvars if t not in gvarset)
+                        s_args = ', '.join(str(g) for g in gvars)
+                        raise TypeError(f"Some type variables ({s_vars}) are"
+                                        f" not listed in {the_base}[{s_args}]")
+                    tvars = gvars
+            cls.__parameters__ = tuple(tvars)
+
+            # Determine if this is a protocol or a concrete subclass.
+            if not cls.__dict__.get('_is_protocol', None):
+                cls._is_protocol = any(b is Protocol for b in cls.__bases__)
+
+            # Set (or override) the protocol subclass hook.
+            def _proto_hook(other):
+                if not cls.__dict__.get('_is_protocol', None):
+                    return NotImplemented
+                if not getattr(cls, '_is_runtime_protocol', False):
+                    if sys._getframe(2).f_globals['__name__'] in ['abc', 'functools']:
+                        return NotImplemented
+                    raise TypeError("Instance and class checks can only be used with"
+                                    " @runtime protocols")
+                if not _is_callable_members_only(cls):
+                    if sys._getframe(2).f_globals['__name__'] in ['abc', 'functools']:
+                        return NotImplemented
+                    raise TypeError("Protocols with non-method members"
+                                    " don't support issubclass()")
+                if not isinstance(other, type):
+                    # Same error as for issubclass(1, int)
+                    raise TypeError('issubclass() arg 1 must be a class')
+                for attr in _get_protocol_attrs(cls):
+                    for base in other.__mro__:
+                        if attr in base.__dict__:
+                            if base.__dict__[attr] is None:
+                                return NotImplemented
+                            break
+                        annotations = getattr(base, '__annotations__', {})
+                        if (isinstance(annotations, typing.Mapping) and
+                                attr in annotations and
+                                isinstance(other, _ProtocolMeta) and
+                                other._is_protocol):
+                            break
+                    else:
+                        return NotImplemented
+                return True
+            if '__subclasshook__' not in cls.__dict__:
+                cls.__subclasshook__ = _proto_hook
+
+            # We have nothing more to do for non-protocols.
+            if not cls._is_protocol:
+                return
+
+            # Check consistency of bases.
+            for base in cls.__bases__:
+                if not (base in (object, typing.Generic) or
+                        base.__module__ == 'collections.abc' and
+                        base.__name__ in _PROTO_WHITELIST or
+                        isinstance(base, _ProtocolMeta) and base._is_protocol):
+                    raise TypeError('Protocols can only inherit from other'
+                                    f' protocols, got {repr(base)}')
+            cls.__init__ = _no_init
+# 3.6
+else:
+    from typing import _next_in_mro, _type_check  # noqa
+
+    def _no_init(self, *args, **kwargs):
+        if type(self)._is_protocol:
+            raise TypeError('Protocols cannot be instantiated')
+
+    class _ProtocolMeta(GenericMeta):
+        """Internal metaclass for Protocol.
+
+        This exists so Protocol classes can be generic without deriving
+        from Generic.
+        """
+        def __new__(cls, name, bases, namespace,
+                    tvars=None, args=None, origin=None, extra=None, orig_bases=None):
+            # This is just a version copied from GenericMeta.__new__ that
+            # includes "Protocol" special treatment. (Comments removed for brevity.)
+            assert extra is None  # Protocols should not have extra
+            if tvars is not None:
+                assert origin is not None
+                assert all(isinstance(t, typing.TypeVar) for t in tvars), tvars
+            else:
+                tvars = _type_vars(bases)
+                gvars = None
+                for base in bases:
+                    if base is typing.Generic:
+                        raise TypeError("Cannot inherit from plain Generic")
+                    if (isinstance(base, GenericMeta) and
+                            base.__origin__ in (typing.Generic, Protocol)):
+                        if gvars is not None:
+                            raise TypeError(
+                                "Cannot inherit from Generic[...] or"
+                                " Protocol[...] multiple times.")
+                        gvars = base.__parameters__
+                if gvars is None:
+                    gvars = tvars
+                else:
+                    tvarset = set(tvars)
+                    gvarset = set(gvars)
+                    if not tvarset <= gvarset:
+                        s_vars = ", ".join(str(t) for t in tvars if t not in gvarset)
+                        s_args = ", ".join(str(g) for g in gvars)
+                        cls_name = "Generic" if any(b.__origin__ is typing.Generic
+                                                    for b in bases) else "Protocol"
+                        raise TypeError(f"Some type variables ({s_vars}) are"
+                                        f" not listed in {cls_name}[{s_args}]")
+                    tvars = gvars
+
+            initial_bases = bases
+            if (extra is not None and type(extra) is abc.ABCMeta and
+                    extra not in bases):
+                bases = (extra,) + bases
+            bases = tuple(_gorg(b) if isinstance(b, GenericMeta) else b
+                          for b in bases)
+            if any(isinstance(b, GenericMeta) and b is not typing.Generic for b in bases):
+                bases = tuple(b for b in bases if b is not typing.Generic)
+            namespace.update({'__origin__': origin, '__extra__': extra})
+            self = super(GenericMeta, cls).__new__(cls, name, bases, namespace,
+                                                   _root=True)
+            super(GenericMeta, self).__setattr__('_gorg',
+                                                 self if not origin else
+                                                 _gorg(origin))
+            self.__parameters__ = tvars
+            self.__args__ = tuple(... if a is typing._TypingEllipsis else
+                                  () if a is typing._TypingEmpty else
+                                  a for a in args) if args else None
+            self.__next_in_mro__ = _next_in_mro(self)
+            if orig_bases is None:
+                self.__orig_bases__ = initial_bases
+            elif origin is not None:
+                self._abc_registry = origin._abc_registry
+                self._abc_cache = origin._abc_cache
+            if hasattr(self, '_subs_tree'):
+                self.__tree_hash__ = (hash(self._subs_tree()) if origin else
+                                      super(GenericMeta, self).__hash__())
+            return self
+
+        def __init__(cls, *args, **kwargs):
+            super().__init__(*args, **kwargs)
+            if not cls.__dict__.get('_is_protocol', None):
+                cls._is_protocol = any(b is Protocol or
+                                       isinstance(b, _ProtocolMeta) and
+                                       b.__origin__ is Protocol
+                                       for b in cls.__bases__)
+            if cls._is_protocol:
+                for base in cls.__mro__[1:]:
+                    if not (base in (object, typing.Generic) or
+                            base.__module__ == 'collections.abc' and
+                            base.__name__ in _PROTO_WHITELIST or
+                            isinstance(base, typing.TypingMeta) and base._is_protocol or
+                            isinstance(base, GenericMeta) and
+                            base.__origin__ is typing.Generic):
+                        raise TypeError(f'Protocols can only inherit from other'
+                                        f' protocols, got {repr(base)}')
+
+                cls.__init__ = _no_init
+
+            def _proto_hook(other):
+                if not cls.__dict__.get('_is_protocol', None):
+                    return NotImplemented
+                if not isinstance(other, type):
+                    # Same error as for issubclass(1, int)
+                    raise TypeError('issubclass() arg 1 must be a class')
+                for attr in _get_protocol_attrs(cls):
+                    for base in other.__mro__:
+                        if attr in base.__dict__:
+                            if base.__dict__[attr] is None:
+                                return NotImplemented
+                            break
+                        annotations = getattr(base, '__annotations__', {})
+                        if (isinstance(annotations, typing.Mapping) and
+                                attr in annotations and
+                                isinstance(other, _ProtocolMeta) and
+                                other._is_protocol):
+                            break
+                    else:
+                        return NotImplemented
+                return True
+            if '__subclasshook__' not in cls.__dict__:
+                cls.__subclasshook__ = _proto_hook
+
+        def __instancecheck__(self, instance):
+            # We need this method for situations where attributes are
+            # assigned in __init__.
+            if ((not getattr(self, '_is_protocol', False) or
+                    _is_callable_members_only(self)) and
+                    issubclass(instance.__class__, self)):
+                return True
+            if self._is_protocol:
+                if all(hasattr(instance, attr) and
+                        (not callable(getattr(self, attr, None)) or
+                         getattr(instance, attr) is not None)
+                        for attr in _get_protocol_attrs(self)):
+                    return True
+            return super(GenericMeta, self).__instancecheck__(instance)
+
+        def __subclasscheck__(self, cls):
+            if self.__origin__ is not None:
+                if sys._getframe(1).f_globals['__name__'] not in ['abc', 'functools']:
+                    raise TypeError("Parameterized generics cannot be used with class "
+                                    "or instance checks")
+                return False
+            if (self.__dict__.get('_is_protocol', None) and
+                    not self.__dict__.get('_is_runtime_protocol', None)):
+                if sys._getframe(1).f_globals['__name__'] in ['abc',
+                                                              'functools',
+                                                              'typing']:
+                    return False
+                raise TypeError("Instance and class checks can only be used with"
+                                " @runtime protocols")
+            if (self.__dict__.get('_is_runtime_protocol', None) and
+                    not _is_callable_members_only(self)):
+                if sys._getframe(1).f_globals['__name__'] in ['abc',
+                                                              'functools',
+                                                              'typing']:
+                    return super(GenericMeta, self).__subclasscheck__(cls)
+                raise TypeError("Protocols with non-method members"
+                                " don't support issubclass()")
+            return super(GenericMeta, self).__subclasscheck__(cls)
+
+        @typing._tp_cache
+        def __getitem__(self, params):
+            # We also need to copy this from GenericMeta.__getitem__ to get
+            # special treatment of "Protocol". (Comments removed for brevity.)
+            if not isinstance(params, tuple):
+                params = (params,)
+            if not params and _gorg(self) is not typing.Tuple:
+                raise TypeError(
+                    f"Parameter list to {self.__qualname__}[...] cannot be empty")
+            msg = "Parameters to generic types must be types."
+            params = tuple(_type_check(p, msg) for p in params)
+            if self in (typing.Generic, Protocol):
+                if not all(isinstance(p, typing.TypeVar) for p in params):
+                    raise TypeError(
+                        f"Parameters to {repr(self)}[...] must all be type variables")
+                if len(set(params)) != len(params):
+                    raise TypeError(
+                        f"Parameters to {repr(self)}[...] must all be unique")
+                tvars = params
+                args = params
+            elif self in (typing.Tuple, typing.Callable):
+                tvars = _type_vars(params)
+                args = params
+            elif self.__origin__ in (typing.Generic, Protocol):
+                raise TypeError(f"Cannot subscript already-subscripted {repr(self)}")
+            else:
+                _check_generic(self, params)
+                tvars = _type_vars(params)
+                args = params
+
+            prepend = (self,) if self.__origin__ is None else ()
+            return self.__class__(self.__name__,
+                                  prepend + self.__bases__,
+                                  _no_slots_copy(self.__dict__),
+                                  tvars=tvars,
+                                  args=args,
+                                  origin=self,
+                                  extra=self.__extra__,
+                                  orig_bases=self.__orig_bases__)
+
+    class Protocol(metaclass=_ProtocolMeta):
+        """Base class for protocol classes. Protocol classes are defined as::
+
+          class Proto(Protocol):
+              def meth(self) -> int:
+                  ...
+
+        Such classes are primarily used with static type checkers that recognize
+        structural subtyping (static duck-typing), for example::
+
+          class C:
+              def meth(self) -> int:
+                  return 0
+
+          def func(x: Proto) -> int:
+              return x.meth()
+
+          func(C())  # Passes static type check
+
+        See PEP 544 for details. Protocol classes decorated with
+        @typing_extensions.runtime act as simple-minded runtime protocol that checks
+        only the presence of given attributes, ignoring their type signatures.
+
+        Protocol classes can be generic, they are defined as::
+
+          class GenProto(Protocol[T]):
+              def meth(self) -> T:
+                  ...
+        """
+        __slots__ = ()
+        _is_protocol = True
+
+        def __new__(cls, *args, **kwds):
+            if _gorg(cls) is Protocol:
+                raise TypeError("Type Protocol cannot be instantiated; "
+                                "it can be used only as a base class")
+            return typing._generic_new(cls.__next_in_mro__, cls, *args, **kwds)
+
+
+# 3.8+
+if hasattr(typing, 'runtime_checkable'):
+    runtime_checkable = typing.runtime_checkable
+# 3.6-3.7
+else:
+    def runtime_checkable(cls):
+        """Mark a protocol class as a runtime protocol, so that it
+        can be used with isinstance() and issubclass(). Raise TypeError
+        if applied to a non-protocol class.
+
+        This allows a simple-minded structural check very similar to the
+        one-offs in collections.abc such as Hashable.
+        """
+        if not isinstance(cls, _ProtocolMeta) or not cls._is_protocol:
+            raise TypeError('@runtime_checkable can be only applied to protocol classes,'
+                            f' got {cls!r}')
+        cls._is_runtime_protocol = True
+        return cls
+
+
+# Exists for backwards compatibility.
+runtime = runtime_checkable
+
+
+# 3.8+
+if hasattr(typing, 'SupportsIndex'):
+    SupportsIndex = typing.SupportsIndex
+# 3.6-3.7
+else:
+    @runtime_checkable
+    class SupportsIndex(Protocol):
+        __slots__ = ()
+
+        @abc.abstractmethod
+        def __index__(self) -> int:
+            pass
+
+
+if sys.version_info >= (3, 9, 2):
+    # The standard library TypedDict in Python 3.8 does not store runtime information
+    # about which (if any) keys are optional.  See https://bugs.python.org/issue38834
+    # The standard library TypedDict in Python 3.9.0/1 does not honour the "total"
+    # keyword with old-style TypedDict().  See https://bugs.python.org/issue42059
+    TypedDict = typing.TypedDict
+else:
+    def _check_fails(cls, other):
+        try:
+            if sys._getframe(1).f_globals['__name__'] not in ['abc',
+                                                              'functools',
+                                                              'typing']:
+                # Typed dicts are only for static structural subtyping.
+                raise TypeError('TypedDict does not support instance and class checks')
+        except (AttributeError, ValueError):
+            pass
+        return False
+
+    def _dict_new(*args, **kwargs):
+        if not args:
+            raise TypeError('TypedDict.__new__(): not enough arguments')
+        _, args = args[0], args[1:]  # allow the "cls" keyword be passed
+        return dict(*args, **kwargs)
+
+    _dict_new.__text_signature__ = '($cls, _typename, _fields=None, /, **kwargs)'
+
+    def _typeddict_new(*args, total=True, **kwargs):
+        if not args:
+            raise TypeError('TypedDict.__new__(): not enough arguments')
+        _, args = args[0], args[1:]  # allow the "cls" keyword be passed
+        if args:
+            typename, args = args[0], args[1:]  # allow the "_typename" keyword be passed
+        elif '_typename' in kwargs:
+            typename = kwargs.pop('_typename')
+            import warnings
+            warnings.warn("Passing '_typename' as keyword argument is deprecated",
+                          DeprecationWarning, stacklevel=2)
+        else:
+            raise TypeError("TypedDict.__new__() missing 1 required positional "
+                            "argument: '_typename'")
+        if args:
+            try:
+                fields, = args  # allow the "_fields" keyword be passed
+            except ValueError:
+                raise TypeError('TypedDict.__new__() takes from 2 to 3 '
+                                f'positional arguments but {len(args) + 2} '
+                                'were given')
+        elif '_fields' in kwargs and len(kwargs) == 1:
+            fields = kwargs.pop('_fields')
+            import warnings
+            warnings.warn("Passing '_fields' as keyword argument is deprecated",
+                          DeprecationWarning, stacklevel=2)
+        else:
+            fields = None
+
+        if fields is None:
+            fields = kwargs
+        elif kwargs:
+            raise TypeError("TypedDict takes either a dict or keyword arguments,"
+                            " but not both")
+
+        ns = {'__annotations__': dict(fields)}
+        try:
+            # Setting correct module is necessary to make typed dict classes pickleable.
+            ns['__module__'] = sys._getframe(1).f_globals.get('__name__', '__main__')
+        except (AttributeError, ValueError):
+            pass
+
+        return _TypedDictMeta(typename, (), ns, total=total)
+
+    _typeddict_new.__text_signature__ = ('($cls, _typename, _fields=None,'
+                                         ' /, *, total=True, **kwargs)')
+
+    class _TypedDictMeta(type):
+        def __init__(cls, name, bases, ns, total=True):
+            super().__init__(name, bases, ns)
+
+        def __new__(cls, name, bases, ns, total=True):
+            # Create new typed dict class object.
+            # This method is called directly when TypedDict is subclassed,
+            # or via _typeddict_new when TypedDict is instantiated. This way
+            # TypedDict supports all three syntaxes described in its docstring.
+            # Subclasses and instances of TypedDict return actual dictionaries
+            # via _dict_new.
+            ns['__new__'] = _typeddict_new if name == 'TypedDict' else _dict_new
+            tp_dict = super().__new__(cls, name, (dict,), ns)
+
+            annotations = {}
+            own_annotations = ns.get('__annotations__', {})
+            own_annotation_keys = set(own_annotations.keys())
+            msg = "TypedDict('Name', {f0: t0, f1: t1, ...}); each t must be a type"
+            own_annotations = {
+                n: typing._type_check(tp, msg) for n, tp in own_annotations.items()
+            }
+            required_keys = set()
+            optional_keys = set()
+
+            for base in bases:
+                annotations.update(base.__dict__.get('__annotations__', {}))
+                required_keys.update(base.__dict__.get('__required_keys__', ()))
+                optional_keys.update(base.__dict__.get('__optional_keys__', ()))
+
+            annotations.update(own_annotations)
+            if total:
+                required_keys.update(own_annotation_keys)
+            else:
+                optional_keys.update(own_annotation_keys)
+
+            tp_dict.__annotations__ = annotations
+            tp_dict.__required_keys__ = frozenset(required_keys)
+            tp_dict.__optional_keys__ = frozenset(optional_keys)
+            if not hasattr(tp_dict, '__total__'):
+                tp_dict.__total__ = total
+            return tp_dict
+
+        __instancecheck__ = __subclasscheck__ = _check_fails
+
+    TypedDict = _TypedDictMeta('TypedDict', (dict,), {})
+    TypedDict.__module__ = __name__
+    TypedDict.__doc__ = \
+        """A simple typed name space. At runtime it is equivalent to a plain dict.
+
+        TypedDict creates a dictionary type that expects all of its
+        instances to have a certain set of keys, with each key
+        associated with a value of a consistent type. This expectation
+        is not checked at runtime but is only enforced by type checkers.
+        Usage::
+
+            class Point2D(TypedDict):
+                x: int
+                y: int
+                label: str
+
+            a: Point2D = {'x': 1, 'y': 2, 'label': 'good'}  # OK
+            b: Point2D = {'z': 3, 'label': 'bad'}           # Fails type check
+
+            assert Point2D(x=1, y=2, label='first') == dict(x=1, y=2, label='first')
+
+        The type info can be accessed via the Point2D.__annotations__ dict, and
+        the Point2D.__required_keys__ and Point2D.__optional_keys__ frozensets.
+        TypedDict supports two additional equivalent forms::
+
+            Point2D = TypedDict('Point2D', x=int, y=int, label=str)
+            Point2D = TypedDict('Point2D', {'x': int, 'y': int, 'label': str})
+
+        The class syntax is only supported in Python 3.6+, while two other
+        syntax forms work for Python 2.7 and 3.2+
+        """
+
+
+# Python 3.9+ has PEP 593 (Annotated and modified get_type_hints)
+if hasattr(typing, 'Annotated'):
+    Annotated = typing.Annotated
+    get_type_hints = typing.get_type_hints
+    # Not exported and not a public API, but needed for get_origin() and get_args()
+    # to work.
+    _AnnotatedAlias = typing._AnnotatedAlias
+# 3.7-3.8
+elif PEP_560:
+    class _AnnotatedAlias(typing._GenericAlias, _root=True):
+        """Runtime representation of an annotated type.
+
+        At its core 'Annotated[t, dec1, dec2, ...]' is an alias for the type 't'
+        with extra annotations. The alias behaves like a normal typing alias,
+        instantiating is the same as instantiating the underlying type, binding
+        it to types is also the same.
+        """
+        def __init__(self, origin, metadata):
+            if isinstance(origin, _AnnotatedAlias):
+                metadata = origin.__metadata__ + metadata
+                origin = origin.__origin__
+            super().__init__(origin, origin)
+            self.__metadata__ = metadata
+
+        def copy_with(self, params):
+            assert len(params) == 1
+            new_type = params[0]
+            return _AnnotatedAlias(new_type, self.__metadata__)
+
+        def __repr__(self):
+            return (f"typing_extensions.Annotated[{typing._type_repr(self.__origin__)}, "
+                    f"{', '.join(repr(a) for a in self.__metadata__)}]")
+
+        def __reduce__(self):
+            return operator.getitem, (
+                Annotated, (self.__origin__,) + self.__metadata__
+            )
+
+        def __eq__(self, other):
+            if not isinstance(other, _AnnotatedAlias):
+                return NotImplemented
+            if self.__origin__ != other.__origin__:
+                return False
+            return self.__metadata__ == other.__metadata__
+
+        def __hash__(self):
+            return hash((self.__origin__, self.__metadata__))
+
+    class Annotated:
+        """Add context specific metadata to a type.
+
+        Example: Annotated[int, runtime_check.Unsigned] indicates to the
+        hypothetical runtime_check module that this type is an unsigned int.
+        Every other consumer of this type can ignore this metadata and treat
+        this type as int.
+
+        The first argument to Annotated must be a valid type (and will be in
+        the __origin__ field), the remaining arguments are kept as a tuple in
+        the __extra__ field.
+
+        Details:
+
+        - It's an error to call `Annotated` with less than two arguments.
+        - Nested Annotated are flattened::
+
+            Annotated[Annotated[T, Ann1, Ann2], Ann3] == Annotated[T, Ann1, Ann2, Ann3]
+
+        - Instantiating an annotated type is equivalent to instantiating the
+        underlying type::
+
+            Annotated[C, Ann1](5) == C(5)
+
+        - Annotated can be used as a generic type alias::
+
+            Optimized = Annotated[T, runtime.Optimize()]
+            Optimized[int] == Annotated[int, runtime.Optimize()]
+
+            OptimizedList = Annotated[List[T], runtime.Optimize()]
+            OptimizedList[int] == Annotated[List[int], runtime.Optimize()]
+        """
+
+        __slots__ = ()
+
+        def __new__(cls, *args, **kwargs):
+            raise TypeError("Type Annotated cannot be instantiated.")
+
+        @typing._tp_cache
+        def __class_getitem__(cls, params):
+            if not isinstance(params, tuple) or len(params) < 2:
+                raise TypeError("Annotated[...] should be used "
+                                "with at least two arguments (a type and an "
+                                "annotation).")
+            msg = "Annotated[t, ...]: t must be a type."
+            origin = typing._type_check(params[0], msg)
+            metadata = tuple(params[1:])
+            return _AnnotatedAlias(origin, metadata)
+
+        def __init_subclass__(cls, *args, **kwargs):
+            raise TypeError(
+                f"Cannot subclass {cls.__module__}.Annotated"
+            )
+
+    def _strip_annotations(t):
+        """Strips the annotations from a given type.
+        """
+        if isinstance(t, _AnnotatedAlias):
+            return _strip_annotations(t.__origin__)
+        if isinstance(t, typing._GenericAlias):
+            stripped_args = tuple(_strip_annotations(a) for a in t.__args__)
+            if stripped_args == t.__args__:
+                return t
+            res = t.copy_with(stripped_args)
+            res._special = t._special
+            return res
+        return t
+
+    def get_type_hints(obj, globalns=None, localns=None, include_extras=False):
+        """Return type hints for an object.
+
+        This is often the same as obj.__annotations__, but it handles
+        forward references encoded as string literals, adds Optional[t] if a
+        default value equal to None is set and recursively replaces all
+        'Annotated[T, ...]' with 'T' (unless 'include_extras=True').
+
+        The argument may be a module, class, method, or function. The annotations
+        are returned as a dictionary. For classes, annotations include also
+        inherited members.
+
+        TypeError is raised if the argument is not of a type that can contain
+        annotations, and an empty dictionary is returned if no annotations are
+        present.
+
+        BEWARE -- the behavior of globalns and localns is counterintuitive
+        (unless you are familiar with how eval() and exec() work).  The
+        search order is locals first, then globals.
+
+        - If no dict arguments are passed, an attempt is made to use the
+          globals from obj (or the respective module's globals for classes),
+          and these are also used as the locals.  If the object does not appear
+          to have globals, an empty dictionary is used.
+
+        - If one dict argument is passed, it is used for both globals and
+          locals.
+
+        - If two dict arguments are passed, they specify globals and
+          locals, respectively.
+        """
+        hint = typing.get_type_hints(obj, globalns=globalns, localns=localns)
+        if include_extras:
+            return hint
+        return {k: _strip_annotations(t) for k, t in hint.items()}
+# 3.6
+else:
+
+    def _is_dunder(name):
+        """Returns True if name is a __dunder_variable_name__."""
+        return len(name) > 4 and name.startswith('__') and name.endswith('__')
+
+    # Prior to Python 3.7 types did not have `copy_with`. A lot of the equality
+    # checks, argument expansion etc. are done on the _subs_tre. As a result we
+    # can't provide a get_type_hints function that strips out annotations.
+
+    class AnnotatedMeta(typing.GenericMeta):
+        """Metaclass for Annotated"""
+
+        def __new__(cls, name, bases, namespace, **kwargs):
+            if any(b is not object for b in bases):
+                raise TypeError("Cannot subclass " + str(Annotated))
+            return super().__new__(cls, name, bases, namespace, **kwargs)
+
+        @property
+        def __metadata__(self):
+            return self._subs_tree()[2]
+
+        def _tree_repr(self, tree):
+            cls, origin, metadata = tree
+            if not isinstance(origin, tuple):
+                tp_repr = typing._type_repr(origin)
+            else:
+                tp_repr = origin[0]._tree_repr(origin)
+            metadata_reprs = ", ".join(repr(arg) for arg in metadata)
+            return f'{cls}[{tp_repr}, {metadata_reprs}]'
+
+        def _subs_tree(self, tvars=None, args=None):  # noqa
+            if self is Annotated:
+                return Annotated
+            res = super()._subs_tree(tvars=tvars, args=args)
+            # Flatten nested Annotated
+            if isinstance(res[1], tuple) and res[1][0] is Annotated:
+                sub_tp = res[1][1]
+                sub_annot = res[1][2]
+                return (Annotated, sub_tp, sub_annot + res[2])
+            return res
+
+        def _get_cons(self):
+            """Return the class used to create instance of this type."""
+            if self.__origin__ is None:
+                raise TypeError("Cannot get the underlying type of a "
+                                "non-specialized Annotated type.")
+            tree = self._subs_tree()
+            while isinstance(tree, tuple) and tree[0] is Annotated:
+                tree = tree[1]
+            if isinstance(tree, tuple):
+                return tree[0]
+            else:
+                return tree
+
+        @typing._tp_cache
+        def __getitem__(self, params):
+            if not isinstance(params, tuple):
+                params = (params,)
+            if self.__origin__ is not None:  # specializing an instantiated type
+                return super().__getitem__(params)
+            elif not isinstance(params, tuple) or len(params) < 2:
+                raise TypeError("Annotated[...] should be instantiated "
+                                "with at least two arguments (a type and an "
+                                "annotation).")
+            else:
+                msg = "Annotated[t, ...]: t must be a type."
+                tp = typing._type_check(params[0], msg)
+                metadata = tuple(params[1:])
+            return self.__class__(
+                self.__name__,
+                self.__bases__,
+                _no_slots_copy(self.__dict__),
+                tvars=_type_vars((tp,)),
+                # Metadata is a tuple so it won't be touched by _replace_args et al.
+                args=(tp, metadata),
+                origin=self,
+            )
+
+        def __call__(self, *args, **kwargs):
+            cons = self._get_cons()
+            result = cons(*args, **kwargs)
+            try:
+                result.__orig_class__ = self
+            except AttributeError:
+                pass
+            return result
+
+        def __getattr__(self, attr):
+            # For simplicity we just don't relay all dunder names
+            if self.__origin__ is not None and not _is_dunder(attr):
+                return getattr(self._get_cons(), attr)
+            raise AttributeError(attr)
+
+        def __setattr__(self, attr, value):
+            if _is_dunder(attr) or attr.startswith('_abc_'):
+                super().__setattr__(attr, value)
+            elif self.__origin__ is None:
+                raise AttributeError(attr)
+            else:
+                setattr(self._get_cons(), attr, value)
+
+        def __instancecheck__(self, obj):
+            raise TypeError("Annotated cannot be used with isinstance().")
+
+        def __subclasscheck__(self, cls):
+            raise TypeError("Annotated cannot be used with issubclass().")
+
+    class Annotated(metaclass=AnnotatedMeta):
+        """Add context specific metadata to a type.
+
+        Example: Annotated[int, runtime_check.Unsigned] indicates to the
+        hypothetical runtime_check module that this type is an unsigned int.
+        Every other consumer of this type can ignore this metadata and treat
+        this type as int.
+
+        The first argument to Annotated must be a valid type, the remaining
+        arguments are kept as a tuple in the __metadata__ field.
+
+        Details:
+
+        - It's an error to call `Annotated` with less than two arguments.
+        - Nested Annotated are flattened::
+
+            Annotated[Annotated[T, Ann1, Ann2], Ann3] == Annotated[T, Ann1, Ann2, Ann3]
+
+        - Instantiating an annotated type is equivalent to instantiating the
+        underlying type::
+
+            Annotated[C, Ann1](5) == C(5)
+
+        - Annotated can be used as a generic type alias::
+
+            Optimized = Annotated[T, runtime.Optimize()]
+            Optimized[int] == Annotated[int, runtime.Optimize()]
+
+            OptimizedList = Annotated[List[T], runtime.Optimize()]
+            OptimizedList[int] == Annotated[List[int], runtime.Optimize()]
+        """
+
+# Python 3.8 has get_origin() and get_args() but those implementations aren't
+# Annotated-aware, so we can't use those. Python 3.9's versions don't support
+# ParamSpecArgs and ParamSpecKwargs, so only Python 3.10's versions will do.
+if sys.version_info[:2] >= (3, 10):
+    get_origin = typing.get_origin
+    get_args = typing.get_args
+# 3.7-3.9
+elif PEP_560:
+    try:
+        # 3.9+
+        from typing import _BaseGenericAlias
+    except ImportError:
+        _BaseGenericAlias = typing._GenericAlias
+    try:
+        # 3.9+
+        from typing import GenericAlias
+    except ImportError:
+        GenericAlias = typing._GenericAlias
+
+    def get_origin(tp):
+        """Get the unsubscripted version of a type.
+
+        This supports generic types, Callable, Tuple, Union, Literal, Final, ClassVar
+        and Annotated. Return None for unsupported types. Examples::
+
+            get_origin(Literal[42]) is Literal
+            get_origin(int) is None
+            get_origin(ClassVar[int]) is ClassVar
+            get_origin(Generic) is Generic
+            get_origin(Generic[T]) is Generic
+            get_origin(Union[T, int]) is Union
+            get_origin(List[Tuple[T, T]][int]) == list
+            get_origin(P.args) is P
+        """
+        if isinstance(tp, _AnnotatedAlias):
+            return Annotated
+        if isinstance(tp, (typing._GenericAlias, GenericAlias, _BaseGenericAlias,
+                           ParamSpecArgs, ParamSpecKwargs)):
+            return tp.__origin__
+        if tp is typing.Generic:
+            return typing.Generic
+        return None
+
+    def get_args(tp):
+        """Get type arguments with all substitutions performed.
+
+        For unions, basic simplifications used by Union constructor are performed.
+        Examples::
+            get_args(Dict[str, int]) == (str, int)
+            get_args(int) == ()
+            get_args(Union[int, Union[T, int], str][int]) == (int, str)
+            get_args(Union[int, Tuple[T, int]][str]) == (int, Tuple[str, int])
+            get_args(Callable[[], T][int]) == ([], int)
+        """
+        if isinstance(tp, _AnnotatedAlias):
+            return (tp.__origin__,) + tp.__metadata__
+        if isinstance(tp, (typing._GenericAlias, GenericAlias)):
+            if getattr(tp, "_special", False):
+                return ()
+            res = tp.__args__
+            if get_origin(tp) is collections.abc.Callable and res[0] is not Ellipsis:
+                res = (list(res[:-1]), res[-1])
+            return res
+        return ()
+
+
+# 3.10+
+if hasattr(typing, 'TypeAlias'):
+    TypeAlias = typing.TypeAlias
+# 3.9
+elif sys.version_info[:2] >= (3, 9):
+    class _TypeAliasForm(typing._SpecialForm, _root=True):
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+    @_TypeAliasForm
+    def TypeAlias(self, parameters):
+        """Special marker indicating that an assignment should
+        be recognized as a proper type alias definition by type
+        checkers.
+
+        For example::
+
+            Predicate: TypeAlias = Callable[..., bool]
+
+        It's invalid when used anywhere except as in the example above.
+        """
+        raise TypeError(f"{self} is not subscriptable")
+# 3.7-3.8
+elif sys.version_info[:2] >= (3, 7):
+    class _TypeAliasForm(typing._SpecialForm, _root=True):
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+    TypeAlias = _TypeAliasForm('TypeAlias',
+                               doc="""Special marker indicating that an assignment should
+                               be recognized as a proper type alias definition by type
+                               checkers.
+
+                               For example::
+
+                                   Predicate: TypeAlias = Callable[..., bool]
+
+                               It's invalid when used anywhere except as in the example
+                               above.""")
+# 3.6
+else:
+    class _TypeAliasMeta(typing.TypingMeta):
+        """Metaclass for TypeAlias"""
+
+        def __repr__(self):
+            return 'typing_extensions.TypeAlias'
+
+    class _TypeAliasBase(typing._FinalTypingBase, metaclass=_TypeAliasMeta, _root=True):
+        """Special marker indicating that an assignment should
+        be recognized as a proper type alias definition by type
+        checkers.
+
+        For example::
+
+            Predicate: TypeAlias = Callable[..., bool]
+
+        It's invalid when used anywhere except as in the example above.
+        """
+        __slots__ = ()
+
+        def __instancecheck__(self, obj):
+            raise TypeError("TypeAlias cannot be used with isinstance().")
+
+        def __subclasscheck__(self, cls):
+            raise TypeError("TypeAlias cannot be used with issubclass().")
+
+        def __repr__(self):
+            return 'typing_extensions.TypeAlias'
+
+    TypeAlias = _TypeAliasBase(_root=True)
+
+
+# Python 3.10+ has PEP 612
+if hasattr(typing, 'ParamSpecArgs'):
+    ParamSpecArgs = typing.ParamSpecArgs
+    ParamSpecKwargs = typing.ParamSpecKwargs
+# 3.6-3.9
+else:
+    class _Immutable:
+        """Mixin to indicate that object should not be copied."""
+        __slots__ = ()
+
+        def __copy__(self):
+            return self
+
+        def __deepcopy__(self, memo):
+            return self
+
+    class ParamSpecArgs(_Immutable):
+        """The args for a ParamSpec object.
+
+        Given a ParamSpec object P, P.args is an instance of ParamSpecArgs.
+
+        ParamSpecArgs objects have a reference back to their ParamSpec:
+
+        P.args.__origin__ is P
+
+        This type is meant for runtime introspection and has no special meaning to
+        static type checkers.
+        """
+        def __init__(self, origin):
+            self.__origin__ = origin
+
+        def __repr__(self):
+            return f"{self.__origin__.__name__}.args"
+
+    class ParamSpecKwargs(_Immutable):
+        """The kwargs for a ParamSpec object.
+
+        Given a ParamSpec object P, P.kwargs is an instance of ParamSpecKwargs.
+
+        ParamSpecKwargs objects have a reference back to their ParamSpec:
+
+        P.kwargs.__origin__ is P
+
+        This type is meant for runtime introspection and has no special meaning to
+        static type checkers.
+        """
+        def __init__(self, origin):
+            self.__origin__ = origin
+
+        def __repr__(self):
+            return f"{self.__origin__.__name__}.kwargs"
+
+# 3.10+
+if hasattr(typing, 'ParamSpec'):
+    ParamSpec = typing.ParamSpec
+# 3.6-3.9
+else:
+
+    # Inherits from list as a workaround for Callable checks in Python < 3.9.2.
+    class ParamSpec(list):
+        """Parameter specification variable.
+
+        Usage::
+
+           P = ParamSpec('P')
+
+        Parameter specification variables exist primarily for the benefit of static
+        type checkers.  They are used to forward the parameter types of one
+        callable to another callable, a pattern commonly found in higher order
+        functions and decorators.  They are only valid when used in ``Concatenate``,
+        or s the first argument to ``Callable``. In Python 3.10 and higher,
+        they are also supported in user-defined Generics at runtime.
+        See class Generic for more information on generic types.  An
+        example for annotating a decorator::
+
+           T = TypeVar('T')
+           P = ParamSpec('P')
+
+           def add_logging(f: Callable[P, T]) -> Callable[P, T]:
+               '''A type-safe decorator to add logging to a function.'''
+               def inner(*args: P.args, **kwargs: P.kwargs) -> T:
+                   logging.info(f'{f.__name__} was called')
+                   return f(*args, **kwargs)
+               return inner
+
+           @add_logging
+           def add_two(x: float, y: float) -> float:
+               '''Add two numbers together.'''
+               return x + y
+
+        Parameter specification variables defined with covariant=True or
+        contravariant=True can be used to declare covariant or contravariant
+        generic types.  These keyword arguments are valid, but their actual semantics
+        are yet to be decided.  See PEP 612 for details.
+
+        Parameter specification variables can be introspected. e.g.:
+
+           P.__name__ == 'T'
+           P.__bound__ == None
+           P.__covariant__ == False
+           P.__contravariant__ == False
+
+        Note that only parameter specification variables defined in global scope can
+        be pickled.
+        """
+
+        # Trick Generic __parameters__.
+        __class__ = typing.TypeVar
+
+        @property
+        def args(self):
+            return ParamSpecArgs(self)
+
+        @property
+        def kwargs(self):
+            return ParamSpecKwargs(self)
+
+        def __init__(self, name, *, bound=None, covariant=False, contravariant=False):
+            super().__init__([self])
+            self.__name__ = name
+            self.__covariant__ = bool(covariant)
+            self.__contravariant__ = bool(contravariant)
+            if bound:
+                self.__bound__ = typing._type_check(bound, 'Bound must be a type.')
+            else:
+                self.__bound__ = None
+
+            # for pickling:
+            try:
+                def_mod = sys._getframe(1).f_globals.get('__name__', '__main__')
+            except (AttributeError, ValueError):
+                def_mod = None
+            if def_mod != 'typing_extensions':
+                self.__module__ = def_mod
+
+        def __repr__(self):
+            if self.__covariant__:
+                prefix = '+'
+            elif self.__contravariant__:
+                prefix = '-'
+            else:
+                prefix = '~'
+            return prefix + self.__name__
+
+        def __hash__(self):
+            return object.__hash__(self)
+
+        def __eq__(self, other):
+            return self is other
+
+        def __reduce__(self):
+            return self.__name__
+
+        # Hack to get typing._type_check to pass.
+        def __call__(self, *args, **kwargs):
+            pass
+
+        if not PEP_560:
+            # Only needed in 3.6.
+            def _get_type_vars(self, tvars):
+                if self not in tvars:
+                    tvars.append(self)
+
+
+# 3.6-3.9
+if not hasattr(typing, 'Concatenate'):
+    # Inherits from list as a workaround for Callable checks in Python < 3.9.2.
+    class _ConcatenateGenericAlias(list):
+
+        # Trick Generic into looking into this for __parameters__.
+        if PEP_560:
+            __class__ = typing._GenericAlias
+        else:
+            __class__ = typing._TypingBase
+
+        # Flag in 3.8.
+        _special = False
+        # Attribute in 3.6 and earlier.
+        _gorg = typing.Generic
+
+        def __init__(self, origin, args):
+            super().__init__(args)
+            self.__origin__ = origin
+            self.__args__ = args
+
+        def __repr__(self):
+            _type_repr = typing._type_repr
+            return (f'{_type_repr(self.__origin__)}'
+                    f'[{", ".join(_type_repr(arg) for arg in self.__args__)}]')
+
+        def __hash__(self):
+            return hash((self.__origin__, self.__args__))
+
+        # Hack to get typing._type_check to pass in Generic.
+        def __call__(self, *args, **kwargs):
+            pass
+
+        @property
+        def __parameters__(self):
+            return tuple(
+                tp for tp in self.__args__ if isinstance(tp, (typing.TypeVar, ParamSpec))
+            )
+
+        if not PEP_560:
+            # Only required in 3.6.
+            def _get_type_vars(self, tvars):
+                if self.__origin__ and self.__parameters__:
+                    typing._get_type_vars(self.__parameters__, tvars)
+
+
+# 3.6-3.9
+@typing._tp_cache
+def _concatenate_getitem(self, parameters):
+    if parameters == ():
+        raise TypeError("Cannot take a Concatenate of no types.")
+    if not isinstance(parameters, tuple):
+        parameters = (parameters,)
+    if not isinstance(parameters[-1], ParamSpec):
+        raise TypeError("The last parameter to Concatenate should be a "
+                        "ParamSpec variable.")
+    msg = "Concatenate[arg, ...]: each arg must be a type."
+    parameters = tuple(typing._type_check(p, msg) for p in parameters)
+    return _ConcatenateGenericAlias(self, parameters)
+
+
+# 3.10+
+if hasattr(typing, 'Concatenate'):
+    Concatenate = typing.Concatenate
+    _ConcatenateGenericAlias = typing._ConcatenateGenericAlias # noqa
+# 3.9
+elif sys.version_info[:2] >= (3, 9):
+    @_TypeAliasForm
+    def Concatenate(self, parameters):
+        """Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a
+        higher order function which adds, removes or transforms parameters of a
+        callable.
+
+        For example::
+
+           Callable[Concatenate[int, P], int]
+
+        See PEP 612 for detailed information.
+        """
+        return _concatenate_getitem(self, parameters)
+# 3.7-8
+elif sys.version_info[:2] >= (3, 7):
+    class _ConcatenateForm(typing._SpecialForm, _root=True):
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+        def __getitem__(self, parameters):
+            return _concatenate_getitem(self, parameters)
+
+    Concatenate = _ConcatenateForm(
+        'Concatenate',
+        doc="""Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a
+        higher order function which adds, removes or transforms parameters of a
+        callable.
+
+        For example::
+
+           Callable[Concatenate[int, P], int]
+
+        See PEP 612 for detailed information.
+        """)
+# 3.6
+else:
+    class _ConcatenateAliasMeta(typing.TypingMeta):
+        """Metaclass for Concatenate."""
+
+        def __repr__(self):
+            return 'typing_extensions.Concatenate'
+
+    class _ConcatenateAliasBase(typing._FinalTypingBase,
+                                metaclass=_ConcatenateAliasMeta,
+                                _root=True):
+        """Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a
+        higher order function which adds, removes or transforms parameters of a
+        callable.
+
+        For example::
+
+           Callable[Concatenate[int, P], int]
+
+        See PEP 612 for detailed information.
+        """
+        __slots__ = ()
+
+        def __instancecheck__(self, obj):
+            raise TypeError("Concatenate cannot be used with isinstance().")
+
+        def __subclasscheck__(self, cls):
+            raise TypeError("Concatenate cannot be used with issubclass().")
+
+        def __repr__(self):
+            return 'typing_extensions.Concatenate'
+
+        def __getitem__(self, parameters):
+            return _concatenate_getitem(self, parameters)
+
+    Concatenate = _ConcatenateAliasBase(_root=True)
+
+# 3.10+
+if hasattr(typing, 'TypeGuard'):
+    TypeGuard = typing.TypeGuard
+# 3.9
+elif sys.version_info[:2] >= (3, 9):
+    class _TypeGuardForm(typing._SpecialForm, _root=True):
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+    @_TypeGuardForm
+    def TypeGuard(self, parameters):
+        """Special typing form used to annotate the return type of a user-defined
+        type guard function.  ``TypeGuard`` only accepts a single type argument.
+        At runtime, functions marked this way should return a boolean.
+
+        ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static
+        type checkers to determine a more precise type of an expression within a
+        program's code flow.  Usually type narrowing is done by analyzing
+        conditional code flow and applying the narrowing to a block of code.  The
+        conditional expression here is sometimes referred to as a "type guard".
+
+        Sometimes it would be convenient to use a user-defined boolean function
+        as a type guard.  Such a function should use ``TypeGuard[...]`` as its
+        return type to alert static type checkers to this intention.
+
+        Using  ``-> TypeGuard`` tells the static type checker that for a given
+        function:
+
+        1. The return value is a boolean.
+        2. If the return value is ``True``, the type of its argument
+        is the type inside ``TypeGuard``.
+
+        For example::
+
+            def is_str(val: Union[str, float]):
+                # "isinstance" type guard
+                if isinstance(val, str):
+                    # Type of ``val`` is narrowed to ``str``
+                    ...
+                else:
+                    # Else, type of ``val`` is narrowed to ``float``.
+                    ...
+
+        Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower
+        form of ``TypeA`` (it can even be a wider form) and this may lead to
+        type-unsafe results.  The main reason is to allow for things like
+        narrowing ``List[object]`` to ``List[str]`` even though the latter is not
+        a subtype of the former, since ``List`` is invariant.  The responsibility of
+        writing type-safe type guards is left to the user.
+
+        ``TypeGuard`` also works with type variables.  For more information, see
+        PEP 647 (User-Defined Type Guards).
+        """
+        item = typing._type_check(parameters, f'{self} accepts only single type.')
+        return typing._GenericAlias(self, (item,))
+# 3.7-3.8
+elif sys.version_info[:2] >= (3, 7):
+    class _TypeGuardForm(typing._SpecialForm, _root=True):
+
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+        def __getitem__(self, parameters):
+            item = typing._type_check(parameters,
+                                      f'{self._name} accepts only a single type')
+            return typing._GenericAlias(self, (item,))
+
+    TypeGuard = _TypeGuardForm(
+        'TypeGuard',
+        doc="""Special typing form used to annotate the return type of a user-defined
+        type guard function.  ``TypeGuard`` only accepts a single type argument.
+        At runtime, functions marked this way should return a boolean.
+
+        ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static
+        type checkers to determine a more precise type of an expression within a
+        program's code flow.  Usually type narrowing is done by analyzing
+        conditional code flow and applying the narrowing to a block of code.  The
+        conditional expression here is sometimes referred to as a "type guard".
+
+        Sometimes it would be convenient to use a user-defined boolean function
+        as a type guard.  Such a function should use ``TypeGuard[...]`` as its
+        return type to alert static type checkers to this intention.
+
+        Using  ``-> TypeGuard`` tells the static type checker that for a given
+        function:
+
+        1. The return value is a boolean.
+        2. If the return value is ``True``, the type of its argument
+        is the type inside ``TypeGuard``.
+
+        For example::
+
+            def is_str(val: Union[str, float]):
+                # "isinstance" type guard
+                if isinstance(val, str):
+                    # Type of ``val`` is narrowed to ``str``
+                    ...
+                else:
+                    # Else, type of ``val`` is narrowed to ``float``.
+                    ...
+
+        Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower
+        form of ``TypeA`` (it can even be a wider form) and this may lead to
+        type-unsafe results.  The main reason is to allow for things like
+        narrowing ``List[object]`` to ``List[str]`` even though the latter is not
+        a subtype of the former, since ``List`` is invariant.  The responsibility of
+        writing type-safe type guards is left to the user.
+
+        ``TypeGuard`` also works with type variables.  For more information, see
+        PEP 647 (User-Defined Type Guards).
+        """)
+# 3.6
+else:
+    class _TypeGuard(typing._FinalTypingBase, _root=True):
+        """Special typing form used to annotate the return type of a user-defined
+        type guard function.  ``TypeGuard`` only accepts a single type argument.
+        At runtime, functions marked this way should return a boolean.
+
+        ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static
+        type checkers to determine a more precise type of an expression within a
+        program's code flow.  Usually type narrowing is done by analyzing
+        conditional code flow and applying the narrowing to a block of code.  The
+        conditional expression here is sometimes referred to as a "type guard".
+
+        Sometimes it would be convenient to use a user-defined boolean function
+        as a type guard.  Such a function should use ``TypeGuard[...]`` as its
+        return type to alert static type checkers to this intention.
+
+        Using  ``-> TypeGuard`` tells the static type checker that for a given
+        function:
+
+        1. The return value is a boolean.
+        2. If the return value is ``True``, the type of its argument
+        is the type inside ``TypeGuard``.
+
+        For example::
+
+            def is_str(val: Union[str, float]):
+                # "isinstance" type guard
+                if isinstance(val, str):
+                    # Type of ``val`` is narrowed to ``str``
+                    ...
+                else:
+                    # Else, type of ``val`` is narrowed to ``float``.
+                    ...
+
+        Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower
+        form of ``TypeA`` (it can even be a wider form) and this may lead to
+        type-unsafe results.  The main reason is to allow for things like
+        narrowing ``List[object]`` to ``List[str]`` even though the latter is not
+        a subtype of the former, since ``List`` is invariant.  The responsibility of
+        writing type-safe type guards is left to the user.
+
+        ``TypeGuard`` also works with type variables.  For more information, see
+        PEP 647 (User-Defined Type Guards).
+        """
+
+        __slots__ = ('__type__',)
+
+        def __init__(self, tp=None, **kwds):
+            self.__type__ = tp
+
+        def __getitem__(self, item):
+            cls = type(self)
+            if self.__type__ is None:
+                return cls(typing._type_check(item,
+                           f'{cls.__name__[1:]} accepts only a single type.'),
+                           _root=True)
+            raise TypeError(f'{cls.__name__[1:]} cannot be further subscripted')
+
+        def _eval_type(self, globalns, localns):
+            new_tp = typing._eval_type(self.__type__, globalns, localns)
+            if new_tp == self.__type__:
+                return self
+            return type(self)(new_tp, _root=True)
+
+        def __repr__(self):
+            r = super().__repr__()
+            if self.__type__ is not None:
+                r += f'[{typing._type_repr(self.__type__)}]'
+            return r
+
+        def __hash__(self):
+            return hash((type(self).__name__, self.__type__))
+
+        def __eq__(self, other):
+            if not isinstance(other, _TypeGuard):
+                return NotImplemented
+            if self.__type__ is not None:
+                return self.__type__ == other.__type__
+            return self is other
+
+    TypeGuard = _TypeGuard(_root=True)
+
+if hasattr(typing, "Self"):
+    Self = typing.Self
+elif sys.version_info[:2] >= (3, 7):
+    # Vendored from cpython typing._SpecialFrom
+    class _SpecialForm(typing._Final, _root=True):
+        __slots__ = ('_name', '__doc__', '_getitem')
+
+        def __init__(self, getitem):
+            self._getitem = getitem
+            self._name = getitem.__name__
+            self.__doc__ = getitem.__doc__
+
+        def __getattr__(self, item):
+            if item in {'__name__', '__qualname__'}:
+                return self._name
+
+            raise AttributeError(item)
+
+        def __mro_entries__(self, bases):
+            raise TypeError(f"Cannot subclass {self!r}")
+
+        def __repr__(self):
+            return f'typing_extensions.{self._name}'
+
+        def __reduce__(self):
+            return self._name
+
+        def __call__(self, *args, **kwds):
+            raise TypeError(f"Cannot instantiate {self!r}")
+
+        def __or__(self, other):
+            return typing.Union[self, other]
+
+        def __ror__(self, other):
+            return typing.Union[other, self]
+
+        def __instancecheck__(self, obj):
+            raise TypeError(f"{self} cannot be used with isinstance()")
+
+        def __subclasscheck__(self, cls):
+            raise TypeError(f"{self} cannot be used with issubclass()")
+
+        @typing._tp_cache
+        def __getitem__(self, parameters):
+            return self._getitem(self, parameters)
+
+    @_SpecialForm
+    def Self(self, params):
+        """Used to spell the type of "self" in classes.
+
+        Example::
+
+          from typing import Self
+
+          class ReturnsSelf:
+              def parse(self, data: bytes) -> Self:
+                  ...
+                  return self
+
+        """
+
+        raise TypeError(f"{self} is not subscriptable")
+else:
+    class _Self(typing._FinalTypingBase, _root=True):
+        """Used to spell the type of "self" in classes.
+
+        Example::
+
+          from typing import Self
+
+          class ReturnsSelf:
+              def parse(self, data: bytes) -> Self:
+                  ...
+                  return self
+
+        """
+
+        __slots__ = ()
+
+        def __instancecheck__(self, obj):
+            raise TypeError(f"{self} cannot be used with isinstance().")
+
+        def __subclasscheck__(self, cls):
+            raise TypeError(f"{self} cannot be used with issubclass().")
+
+    Self = _Self(_root=True)
+
+
+if hasattr(typing, 'Required'):
+    Required = typing.Required
+    NotRequired = typing.NotRequired
+elif sys.version_info[:2] >= (3, 9):
+    class _ExtensionsSpecialForm(typing._SpecialForm, _root=True):
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+    @_ExtensionsSpecialForm
+    def Required(self, parameters):
+        """A special typing construct to mark a key of a total=False TypedDict
+        as required. For example:
+
+            class Movie(TypedDict, total=False):
+                title: Required[str]
+                year: int
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+
+        There is no runtime checking that a required key is actually provided
+        when instantiating a related TypedDict.
+        """
+        item = typing._type_check(parameters, f'{self._name} accepts only single type')
+        return typing._GenericAlias(self, (item,))
+
+    @_ExtensionsSpecialForm
+    def NotRequired(self, parameters):
+        """A special typing construct to mark a key of a TypedDict as
+        potentially missing. For example:
+
+            class Movie(TypedDict):
+                title: str
+                year: NotRequired[int]
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+        """
+        item = typing._type_check(parameters, f'{self._name} accepts only single type')
+        return typing._GenericAlias(self, (item,))
+
+elif sys.version_info[:2] >= (3, 7):
+    class _RequiredForm(typing._SpecialForm, _root=True):
+        def __repr__(self):
+            return 'typing_extensions.' + self._name
+
+        def __getitem__(self, parameters):
+            item = typing._type_check(parameters,
+                                      '{} accepts only single type'.format(self._name))
+            return typing._GenericAlias(self, (item,))
+
+    Required = _RequiredForm(
+        'Required',
+        doc="""A special typing construct to mark a key of a total=False TypedDict
+        as required. For example:
+
+            class Movie(TypedDict, total=False):
+                title: Required[str]
+                year: int
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+
+        There is no runtime checking that a required key is actually provided
+        when instantiating a related TypedDict.
+        """)
+    NotRequired = _RequiredForm(
+        'NotRequired',
+        doc="""A special typing construct to mark a key of a TypedDict as
+        potentially missing. For example:
+
+            class Movie(TypedDict):
+                title: str
+                year: NotRequired[int]
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+        """)
+else:
+    # NOTE: Modeled after _Final's implementation when _FinalTypingBase available
+    class _MaybeRequired(typing._FinalTypingBase, _root=True):
+        __slots__ = ('__type__',)
+
+        def __init__(self, tp=None, **kwds):
+            self.__type__ = tp
+
+        def __getitem__(self, item):
+            cls = type(self)
+            if self.__type__ is None:
+                return cls(typing._type_check(item,
+                           '{} accepts only single type.'.format(cls.__name__[1:])),
+                           _root=True)
+            raise TypeError('{} cannot be further subscripted'
+                            .format(cls.__name__[1:]))
+
+        def _eval_type(self, globalns, localns):
+            new_tp = typing._eval_type(self.__type__, globalns, localns)
+            if new_tp == self.__type__:
+                return self
+            return type(self)(new_tp, _root=True)
+
+        def __repr__(self):
+            r = super().__repr__()
+            if self.__type__ is not None:
+                r += '[{}]'.format(typing._type_repr(self.__type__))
+            return r
+
+        def __hash__(self):
+            return hash((type(self).__name__, self.__type__))
+
+        def __eq__(self, other):
+            if not isinstance(other, type(self)):
+                return NotImplemented
+            if self.__type__ is not None:
+                return self.__type__ == other.__type__
+            return self is other
+
+    class _Required(_MaybeRequired, _root=True):
+        """A special typing construct to mark a key of a total=False TypedDict
+        as required. For example:
+
+            class Movie(TypedDict, total=False):
+                title: Required[str]
+                year: int
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+
+        There is no runtime checking that a required key is actually provided
+        when instantiating a related TypedDict.
+        """
+
+    class _NotRequired(_MaybeRequired, _root=True):
+        """A special typing construct to mark a key of a TypedDict as
+        potentially missing. For example:
+
+            class Movie(TypedDict):
+                title: str
+                year: NotRequired[int]
+
+            m = Movie(
+                title='The Matrix',  # typechecker error if key is omitted
+                year=1999,
+            )
+        """
+
+    Required = _Required(_root=True)
+    NotRequired = _NotRequired(_root=True)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/zipp.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/zipp.py
new file mode 100644
index 00000000..26b723c1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/_vendor/zipp.py
@@ -0,0 +1,329 @@
+import io
+import posixpath
+import zipfile
+import itertools
+import contextlib
+import sys
+import pathlib
+
+if sys.version_info < (3, 7):
+    from collections import OrderedDict
+else:
+    OrderedDict = dict
+
+
+__all__ = ['Path']
+
+
+def _parents(path):
+    """
+    Given a path with elements separated by
+    posixpath.sep, generate all parents of that path.
+
+    >>> list(_parents('b/d'))
+    ['b']
+    >>> list(_parents('/b/d/'))
+    ['/b']
+    >>> list(_parents('b/d/f/'))
+    ['b/d', 'b']
+    >>> list(_parents('b'))
+    []
+    >>> list(_parents(''))
+    []
+    """
+    return itertools.islice(_ancestry(path), 1, None)
+
+
+def _ancestry(path):
+    """
+    Given a path with elements separated by
+    posixpath.sep, generate all elements of that path
+
+    >>> list(_ancestry('b/d'))
+    ['b/d', 'b']
+    >>> list(_ancestry('/b/d/'))
+    ['/b/d', '/b']
+    >>> list(_ancestry('b/d/f/'))
+    ['b/d/f', 'b/d', 'b']
+    >>> list(_ancestry('b'))
+    ['b']
+    >>> list(_ancestry(''))
+    []
+    """
+    path = path.rstrip(posixpath.sep)
+    while path and path != posixpath.sep:
+        yield path
+        path, tail = posixpath.split(path)
+
+
+_dedupe = OrderedDict.fromkeys
+"""Deduplicate an iterable in original order"""
+
+
+def _difference(minuend, subtrahend):
+    """
+    Return items in minuend not in subtrahend, retaining order
+    with O(1) lookup.
+    """
+    return itertools.filterfalse(set(subtrahend).__contains__, minuend)
+
+
+class CompleteDirs(zipfile.ZipFile):
+    """
+    A ZipFile subclass that ensures that implied directories
+    are always included in the namelist.
+    """
+
+    @staticmethod
+    def _implied_dirs(names):
+        parents = itertools.chain.from_iterable(map(_parents, names))
+        as_dirs = (p + posixpath.sep for p in parents)
+        return _dedupe(_difference(as_dirs, names))
+
+    def namelist(self):
+        names = super(CompleteDirs, self).namelist()
+        return names + list(self._implied_dirs(names))
+
+    def _name_set(self):
+        return set(self.namelist())
+
+    def resolve_dir(self, name):
+        """
+        If the name represents a directory, return that name
+        as a directory (with the trailing slash).
+        """
+        names = self._name_set()
+        dirname = name + '/'
+        dir_match = name not in names and dirname in names
+        return dirname if dir_match else name
+
+    @classmethod
+    def make(cls, source):
+        """
+        Given a source (filename or zipfile), return an
+        appropriate CompleteDirs subclass.
+        """
+        if isinstance(source, CompleteDirs):
+            return source
+
+        if not isinstance(source, zipfile.ZipFile):
+            return cls(_pathlib_compat(source))
+
+        # Only allow for FastLookup when supplied zipfile is read-only
+        if 'r' not in source.mode:
+            cls = CompleteDirs
+
+        source.__class__ = cls
+        return source
+
+
+class FastLookup(CompleteDirs):
+    """
+    ZipFile subclass to ensure implicit
+    dirs exist and are resolved rapidly.
+    """
+
+    def namelist(self):
+        with contextlib.suppress(AttributeError):
+            return self.__names
+        self.__names = super(FastLookup, self).namelist()
+        return self.__names
+
+    def _name_set(self):
+        with contextlib.suppress(AttributeError):
+            return self.__lookup
+        self.__lookup = super(FastLookup, self)._name_set()
+        return self.__lookup
+
+
+def _pathlib_compat(path):
+    """
+    For path-like objects, convert to a filename for compatibility
+    on Python 3.6.1 and earlier.
+    """
+    try:
+        return path.__fspath__()
+    except AttributeError:
+        return str(path)
+
+
+class Path:
+    """
+    A pathlib-compatible interface for zip files.
+
+    Consider a zip file with this structure::
+
+        .
+        ├── a.txt
+        └── b
+            ├── c.txt
+            └── d
+                └── e.txt
+
+    >>> data = io.BytesIO()
+    >>> zf = zipfile.ZipFile(data, 'w')
+    >>> zf.writestr('a.txt', 'content of a')
+    >>> zf.writestr('b/c.txt', 'content of c')
+    >>> zf.writestr('b/d/e.txt', 'content of e')
+    >>> zf.filename = 'mem/abcde.zip'
+
+    Path accepts the zipfile object itself or a filename
+
+    >>> root = Path(zf)
+
+    From there, several path operations are available.
+
+    Directory iteration (including the zip file itself):
+
+    >>> a, b = root.iterdir()
+    >>> a
+    Path('mem/abcde.zip', 'a.txt')
+    >>> b
+    Path('mem/abcde.zip', 'b/')
+
+    name property:
+
+    >>> b.name
+    'b'
+
+    join with divide operator:
+
+    >>> c = b / 'c.txt'
+    >>> c
+    Path('mem/abcde.zip', 'b/c.txt')
+    >>> c.name
+    'c.txt'
+
+    Read text:
+
+    >>> c.read_text()
+    'content of c'
+
+    existence:
+
+    >>> c.exists()
+    True
+    >>> (b / 'missing.txt').exists()
+    False
+
+    Coercion to string:
+
+    >>> import os
+    >>> str(c).replace(os.sep, posixpath.sep)
+    'mem/abcde.zip/b/c.txt'
+
+    At the root, ``name``, ``filename``, and ``parent``
+    resolve to the zipfile. Note these attributes are not
+    valid and will raise a ``ValueError`` if the zipfile
+    has no filename.
+
+    >>> root.name
+    'abcde.zip'
+    >>> str(root.filename).replace(os.sep, posixpath.sep)
+    'mem/abcde.zip'
+    >>> str(root.parent)
+    'mem'
+    """
+
+    __repr = "{self.__class__.__name__}({self.root.filename!r}, {self.at!r})"
+
+    def __init__(self, root, at=""):
+        """
+        Construct a Path from a ZipFile or filename.
+
+        Note: When the source is an existing ZipFile object,
+        its type (__class__) will be mutated to a
+        specialized type. If the caller wishes to retain the
+        original type, the caller should either create a
+        separate ZipFile object or pass a filename.
+        """
+        self.root = FastLookup.make(root)
+        self.at = at
+
+    def open(self, mode='r', *args, pwd=None, **kwargs):
+        """
+        Open this entry as text or binary following the semantics
+        of ``pathlib.Path.open()`` by passing arguments through
+        to io.TextIOWrapper().
+        """
+        if self.is_dir():
+            raise IsADirectoryError(self)
+        zip_mode = mode[0]
+        if not self.exists() and zip_mode == 'r':
+            raise FileNotFoundError(self)
+        stream = self.root.open(self.at, zip_mode, pwd=pwd)
+        if 'b' in mode:
+            if args or kwargs:
+                raise ValueError("encoding args invalid for binary operation")
+            return stream
+        return io.TextIOWrapper(stream, *args, **kwargs)
+
+    @property
+    def name(self):
+        return pathlib.Path(self.at).name or self.filename.name
+
+    @property
+    def suffix(self):
+        return pathlib.Path(self.at).suffix or self.filename.suffix
+
+    @property
+    def suffixes(self):
+        return pathlib.Path(self.at).suffixes or self.filename.suffixes
+
+    @property
+    def stem(self):
+        return pathlib.Path(self.at).stem or self.filename.stem
+
+    @property
+    def filename(self):
+        return pathlib.Path(self.root.filename).joinpath(self.at)
+
+    def read_text(self, *args, **kwargs):
+        with self.open('r', *args, **kwargs) as strm:
+            return strm.read()
+
+    def read_bytes(self):
+        with self.open('rb') as strm:
+            return strm.read()
+
+    def _is_child(self, path):
+        return posixpath.dirname(path.at.rstrip("/")) == self.at.rstrip("/")
+
+    def _next(self, at):
+        return self.__class__(self.root, at)
+
+    def is_dir(self):
+        return not self.at or self.at.endswith("/")
+
+    def is_file(self):
+        return self.exists() and not self.is_dir()
+
+    def exists(self):
+        return self.at in self.root._name_set()
+
+    def iterdir(self):
+        if not self.is_dir():
+            raise ValueError("Can't listdir a file")
+        subs = map(self._next, self.root.namelist())
+        return filter(self._is_child, subs)
+
+    def __str__(self):
+        return posixpath.join(self.root.filename, self.at)
+
+    def __repr__(self):
+        return self.__repr.format(self=self)
+
+    def joinpath(self, *other):
+        next = posixpath.join(self.at, *map(_pathlib_compat, other))
+        return self._next(self.root.resolve_dir(next))
+
+    __truediv__ = joinpath
+
+    @property
+    def parent(self):
+        if not self.at:
+            return self.filename.parent
+        parent_at = posixpath.dirname(self.at.rstrip('/'))
+        if parent_at:
+            parent_at += '/'
+        return self._next(parent_at)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/archive_util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/archive_util.py
new file mode 100644
index 00000000..d8e10c13
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/archive_util.py
@@ -0,0 +1,213 @@
+"""Utilities for extracting common archive formats"""
+
+import zipfile
+import tarfile
+import os
+import shutil
+import posixpath
+import contextlib
+from distutils.errors import DistutilsError
+
+from ._path import ensure_directory
+
+__all__ = [
+    "unpack_archive", "unpack_zipfile", "unpack_tarfile", "default_filter",
+    "UnrecognizedFormat", "extraction_drivers", "unpack_directory",
+]
+
+
+class UnrecognizedFormat(DistutilsError):
+    """Couldn't recognize the archive type"""
+
+
+def default_filter(src, dst):
+    """The default progress/filter callback; returns True for all files"""
+    return dst
+
+
+def unpack_archive(
+        filename, extract_dir, progress_filter=default_filter,
+        drivers=None):
+    """Unpack `filename` to `extract_dir`, or raise ``UnrecognizedFormat``
+
+    `progress_filter` is a function taking two arguments: a source path
+    internal to the archive ('/'-separated), and a filesystem path where it
+    will be extracted.  The callback must return the desired extract path
+    (which may be the same as the one passed in), or else ``None`` to skip
+    that file or directory.  The callback can thus be used to report on the
+    progress of the extraction, as well as to filter the items extracted or
+    alter their extraction paths.
+
+    `drivers`, if supplied, must be a non-empty sequence of functions with the
+    same signature as this function (minus the `drivers` argument), that raise
+    ``UnrecognizedFormat`` if they do not support extracting the designated
+    archive type.  The `drivers` are tried in sequence until one is found that
+    does not raise an error, or until all are exhausted (in which case
+    ``UnrecognizedFormat`` is raised).  If you do not supply a sequence of
+    drivers, the module's ``extraction_drivers`` constant will be used, which
+    means that ``unpack_zipfile`` and ``unpack_tarfile`` will be tried, in that
+    order.
+    """
+    for driver in drivers or extraction_drivers:
+        try:
+            driver(filename, extract_dir, progress_filter)
+        except UnrecognizedFormat:
+            continue
+        else:
+            return
+    else:
+        raise UnrecognizedFormat(
+            "Not a recognized archive type: %s" % filename
+        )
+
+
+def unpack_directory(filename, extract_dir, progress_filter=default_filter):
+    """"Unpack" a directory, using the same interface as for archives
+
+    Raises ``UnrecognizedFormat`` if `filename` is not a directory
+    """
+    if not os.path.isdir(filename):
+        raise UnrecognizedFormat("%s is not a directory" % filename)
+
+    paths = {
+        filename: ('', extract_dir),
+    }
+    for base, dirs, files in os.walk(filename):
+        src, dst = paths[base]
+        for d in dirs:
+            paths[os.path.join(base, d)] = src + d + '/', os.path.join(dst, d)
+        for f in files:
+            target = os.path.join(dst, f)
+            target = progress_filter(src + f, target)
+            if not target:
+                # skip non-files
+                continue
+            ensure_directory(target)
+            f = os.path.join(base, f)
+            shutil.copyfile(f, target)
+            shutil.copystat(f, target)
+
+
+def unpack_zipfile(filename, extract_dir, progress_filter=default_filter):
+    """Unpack zip `filename` to `extract_dir`
+
+    Raises ``UnrecognizedFormat`` if `filename` is not a zipfile (as determined
+    by ``zipfile.is_zipfile()``).  See ``unpack_archive()`` for an explanation
+    of the `progress_filter` argument.
+    """
+
+    if not zipfile.is_zipfile(filename):
+        raise UnrecognizedFormat("%s is not a zip file" % (filename,))
+
+    with zipfile.ZipFile(filename) as z:
+        _unpack_zipfile_obj(z, extract_dir, progress_filter)
+
+
+def _unpack_zipfile_obj(zipfile_obj, extract_dir, progress_filter=default_filter):
+    """Internal/private API used by other parts of setuptools.
+    Similar to ``unpack_zipfile``, but receives an already opened :obj:`zipfile.ZipFile`
+    object instead of a filename.
+    """
+    for info in zipfile_obj.infolist():
+        name = info.filename
+
+        # don't extract absolute paths or ones with .. in them
+        if name.startswith('/') or '..' in name.split('/'):
+            continue
+
+        target = os.path.join(extract_dir, *name.split('/'))
+        target = progress_filter(name, target)
+        if not target:
+            continue
+        if name.endswith('/'):
+            # directory
+            ensure_directory(target)
+        else:
+            # file
+            ensure_directory(target)
+            data = zipfile_obj.read(info.filename)
+            with open(target, 'wb') as f:
+                f.write(data)
+        unix_attributes = info.external_attr >> 16
+        if unix_attributes:
+            os.chmod(target, unix_attributes)
+
+
+def _resolve_tar_file_or_dir(tar_obj, tar_member_obj):
+    """Resolve any links and extract link targets as normal files."""
+    while tar_member_obj is not None and (
+            tar_member_obj.islnk() or tar_member_obj.issym()):
+        linkpath = tar_member_obj.linkname
+        if tar_member_obj.issym():
+            base = posixpath.dirname(tar_member_obj.name)
+            linkpath = posixpath.join(base, linkpath)
+            linkpath = posixpath.normpath(linkpath)
+        tar_member_obj = tar_obj._getmember(linkpath)
+
+    is_file_or_dir = (
+        tar_member_obj is not None and
+        (tar_member_obj.isfile() or tar_member_obj.isdir())
+    )
+    if is_file_or_dir:
+        return tar_member_obj
+
+    raise LookupError('Got unknown file type')
+
+
+def _iter_open_tar(tar_obj, extract_dir, progress_filter):
+    """Emit member-destination pairs from a tar archive."""
+    # don't do any chowning!
+    tar_obj.chown = lambda *args: None
+
+    with contextlib.closing(tar_obj):
+        for member in tar_obj:
+            name = member.name
+            # don't extract absolute paths or ones with .. in them
+            if name.startswith('/') or '..' in name.split('/'):
+                continue
+
+            prelim_dst = os.path.join(extract_dir, *name.split('/'))
+
+            try:
+                member = _resolve_tar_file_or_dir(tar_obj, member)
+            except LookupError:
+                continue
+
+            final_dst = progress_filter(name, prelim_dst)
+            if not final_dst:
+                continue
+
+            if final_dst.endswith(os.sep):
+                final_dst = final_dst[:-1]
+
+            yield member, final_dst
+
+
+def unpack_tarfile(filename, extract_dir, progress_filter=default_filter):
+    """Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir`
+
+    Raises ``UnrecognizedFormat`` if `filename` is not a tarfile (as determined
+    by ``tarfile.open()``).  See ``unpack_archive()`` for an explanation
+    of the `progress_filter` argument.
+    """
+    try:
+        tarobj = tarfile.open(filename)
+    except tarfile.TarError as e:
+        raise UnrecognizedFormat(
+            "%s is not a compressed or uncompressed tar file" % (filename,)
+        ) from e
+
+    for member, final_dst in _iter_open_tar(
+            tarobj, extract_dir, progress_filter,
+    ):
+        try:
+            # XXX Ugh
+            tarobj._extract_member(member, final_dst)
+        except tarfile.ExtractError:
+            # chown/chmod/mkfifo/mknode/makedev failed
+            pass
+
+    return True
+
+
+extraction_drivers = unpack_directory, unpack_zipfile, unpack_tarfile
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/build_meta.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/build_meta.py
new file mode 100644
index 00000000..e8f1c72d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/build_meta.py
@@ -0,0 +1,511 @@
+"""A PEP 517 interface to setuptools
+
+Previously, when a user or a command line tool (let's call it a "frontend")
+needed to make a request of setuptools to take a certain action, for
+example, generating a list of installation requirements, the frontend would
+would call "setup.py egg_info" or "setup.py bdist_wheel" on the command line.
+
+PEP 517 defines a different method of interfacing with setuptools. Rather
+than calling "setup.py" directly, the frontend should:
+
+  1. Set the current directory to the directory with a setup.py file
+  2. Import this module into a safe python interpreter (one in which
+     setuptools can potentially set global variables or crash hard).
+  3. Call one of the functions defined in PEP 517.
+
+What each function does is defined in PEP 517. However, here is a "casual"
+definition of the functions (this definition should not be relied on for
+bug reports or API stability):
+
+  - `build_wheel`: build a wheel in the folder and return the basename
+  - `get_requires_for_build_wheel`: get the `setup_requires` to build
+  - `prepare_metadata_for_build_wheel`: get the `install_requires`
+  - `build_sdist`: build an sdist in the folder and return the basename
+  - `get_requires_for_build_sdist`: get the `setup_requires` to build
+
+Again, this is not a formal definition! Just a "taste" of the module.
+"""
+
+import io
+import os
+import shlex
+import sys
+import tokenize
+import shutil
+import contextlib
+import tempfile
+import warnings
+from pathlib import Path
+from typing import Dict, Iterator, List, Optional, Union
+
+import setuptools
+import distutils
+from . import errors
+from ._path import same_path
+from ._reqs import parse_strings
+from ._deprecation_warning import SetuptoolsDeprecationWarning
+from distutils.util import strtobool
+
+
+__all__ = ['get_requires_for_build_sdist',
+           'get_requires_for_build_wheel',
+           'prepare_metadata_for_build_wheel',
+           'build_wheel',
+           'build_sdist',
+           'get_requires_for_build_editable',
+           'prepare_metadata_for_build_editable',
+           'build_editable',
+           '__legacy__',
+           'SetupRequirementsError']
+
+SETUPTOOLS_ENABLE_FEATURES = os.getenv("SETUPTOOLS_ENABLE_FEATURES", "").lower()
+LEGACY_EDITABLE = "legacy-editable" in SETUPTOOLS_ENABLE_FEATURES.replace("_", "-")
+
+
+class SetupRequirementsError(BaseException):
+    def __init__(self, specifiers):
+        self.specifiers = specifiers
+
+
+class Distribution(setuptools.dist.Distribution):
+    def fetch_build_eggs(self, specifiers):
+        specifier_list = list(parse_strings(specifiers))
+
+        raise SetupRequirementsError(specifier_list)
+
+    @classmethod
+    @contextlib.contextmanager
+    def patch(cls):
+        """
+        Replace
+        distutils.dist.Distribution with this class
+        for the duration of this context.
+        """
+        orig = distutils.core.Distribution
+        distutils.core.Distribution = cls
+        try:
+            yield
+        finally:
+            distutils.core.Distribution = orig
+
+
+@contextlib.contextmanager
+def no_install_setup_requires():
+    """Temporarily disable installing setup_requires
+
+    Under PEP 517, the backend reports build dependencies to the frontend,
+    and the frontend is responsible for ensuring they're installed.
+    So setuptools (acting as a backend) should not try to install them.
+    """
+    orig = setuptools._install_setup_requires
+    setuptools._install_setup_requires = lambda attrs: None
+    try:
+        yield
+    finally:
+        setuptools._install_setup_requires = orig
+
+
+def _get_immediate_subdirectories(a_dir):
+    return [name for name in os.listdir(a_dir)
+            if os.path.isdir(os.path.join(a_dir, name))]
+
+
+def _file_with_extension(directory, extension):
+    matching = (
+        f for f in os.listdir(directory)
+        if f.endswith(extension)
+    )
+    try:
+        file, = matching
+    except ValueError:
+        raise ValueError(
+            'No distribution was found. Ensure that `setup.py` '
+            'is not empty and that it calls `setup()`.')
+    return file
+
+
+def _open_setup_script(setup_script):
+    if not os.path.exists(setup_script):
+        # Supply a default setup.py
+        return io.StringIO(u"from setuptools import setup; setup()")
+
+    return getattr(tokenize, 'open', open)(setup_script)
+
+
+@contextlib.contextmanager
+def suppress_known_deprecation():
+    with warnings.catch_warnings():
+        warnings.filterwarnings('ignore', 'setup.py install is deprecated')
+        yield
+
+
+_ConfigSettings = Optional[Dict[str, Union[str, List[str], None]]]
+"""
+Currently the user can run::
+
+    pip install -e . --config-settings key=value
+    python -m build -C--key=value -C key=value
+
+- pip will pass both key and value as strings and overwriting repeated keys
+  (pypa/pip#11059).
+- build will accumulate values associated with repeated keys in a list.
+  It will also accept keys with no associated value.
+  This means that an option passed by build can be ``str | list[str] | None``.
+- PEP 517 specifies that ``config_settings`` is an optional dict.
+"""
+
+
+class _ConfigSettingsTranslator:
+    """Translate ``config_settings`` into distutils-style command arguments.
+    Only a limited number of options is currently supported.
+    """
+    # See pypa/setuptools#1928 pypa/setuptools#2491
+
+    def _get_config(self, key: str, config_settings: _ConfigSettings) -> List[str]:
+        """
+        Get the value of a specific key in ``config_settings`` as a list of strings.
+
+        >>> fn = _ConfigSettingsTranslator()._get_config
+        >>> fn("--global-option", None)
+        []
+        >>> fn("--global-option", {})
+        []
+        >>> fn("--global-option", {'--global-option': 'foo'})
+        ['foo']
+        >>> fn("--global-option", {'--global-option': ['foo']})
+        ['foo']
+        >>> fn("--global-option", {'--global-option': 'foo'})
+        ['foo']
+        >>> fn("--global-option", {'--global-option': 'foo bar'})
+        ['foo', 'bar']
+        """
+        cfg = config_settings or {}
+        opts = cfg.get(key) or []
+        return shlex.split(opts) if isinstance(opts, str) else opts
+
+    def _valid_global_options(self):
+        """Global options accepted by setuptools (e.g. quiet or verbose)."""
+        options = (opt[:2] for opt in setuptools.dist.Distribution.global_options)
+        return {flag for long_and_short in options for flag in long_and_short if flag}
+
+    def _global_args(self, config_settings: _ConfigSettings) -> Iterator[str]:
+        """
+        Let the user specify ``verbose`` or ``quiet`` + escape hatch via
+        ``--global-option``.
+        Note: ``-v``, ``-vv``, ``-vvv`` have similar effects in setuptools,
+        so we just have to cover the basic scenario ``-v``.
+
+        >>> fn = _ConfigSettingsTranslator()._global_args
+        >>> list(fn(None))
+        []
+        >>> list(fn({"verbose": "False"}))
+        ['-q']
+        >>> list(fn({"verbose": "1"}))
+        ['-v']
+        >>> list(fn({"--verbose": None}))
+        ['-v']
+        >>> list(fn({"verbose": "true", "--global-option": "-q --no-user-cfg"}))
+        ['-v', '-q', '--no-user-cfg']
+        >>> list(fn({"--quiet": None}))
+        ['-q']
+        """
+        cfg = config_settings or {}
+        falsey = {"false", "no", "0", "off"}
+        if "verbose" in cfg or "--verbose" in cfg:
+            level = str(cfg.get("verbose") or cfg.get("--verbose") or "1")
+            yield ("-q" if level.lower() in falsey else "-v")
+        if "quiet" in cfg or "--quiet" in cfg:
+            level = str(cfg.get("quiet") or cfg.get("--quiet") or "1")
+            yield ("-v" if level.lower() in falsey else "-q")
+
+        valid = self._valid_global_options()
+        args = self._get_config("--global-option", config_settings)
+        yield from (arg for arg in args if arg.strip("-") in valid)
+
+    def __dist_info_args(self, config_settings: _ConfigSettings) -> Iterator[str]:
+        """
+        The ``dist_info`` command accepts ``tag-date`` and ``tag-build``.
+
+        .. warning::
+           We cannot use this yet as it requires the ``sdist`` and ``bdist_wheel``
+           commands run in ``build_sdist`` and ``build_wheel`` to re-use the egg-info
+           directory created in ``prepare_metadata_for_build_wheel``.
+
+        >>> fn = _ConfigSettingsTranslator()._ConfigSettingsTranslator__dist_info_args
+        >>> list(fn(None))
+        []
+        >>> list(fn({"tag-date": "False"}))
+        ['--no-date']
+        >>> list(fn({"tag-date": None}))
+        ['--no-date']
+        >>> list(fn({"tag-date": "true", "tag-build": ".a"}))
+        ['--tag-date', '--tag-build', '.a']
+        """
+        cfg = config_settings or {}
+        if "tag-date" in cfg:
+            val = strtobool(str(cfg["tag-date"] or "false"))
+            yield ("--tag-date" if val else "--no-date")
+        if "tag-build" in cfg:
+            yield from ["--tag-build", str(cfg["tag-build"])]
+
+    def _editable_args(self, config_settings: _ConfigSettings) -> Iterator[str]:
+        """
+        The ``editable_wheel`` command accepts ``editable-mode=strict``.
+
+        >>> fn = _ConfigSettingsTranslator()._editable_args
+        >>> list(fn(None))
+        []
+        >>> list(fn({"editable-mode": "strict"}))
+        ['--mode', 'strict']
+        """
+        cfg = config_settings or {}
+        mode = cfg.get("editable-mode") or cfg.get("editable_mode")
+        if not mode:
+            return
+        yield from ["--mode", str(mode)]
+
+    def _arbitrary_args(self, config_settings: _ConfigSettings) -> Iterator[str]:
+        """
+        Users may expect to pass arbitrary lists of arguments to a command
+        via "--global-option" (example provided in PEP 517 of a "escape hatch").
+
+        >>> fn = _ConfigSettingsTranslator()._arbitrary_args
+        >>> list(fn(None))
+        []
+        >>> list(fn({}))
+        []
+        >>> list(fn({'--build-option': 'foo'}))
+        ['foo']
+        >>> list(fn({'--build-option': ['foo']}))
+        ['foo']
+        >>> list(fn({'--build-option': 'foo'}))
+        ['foo']
+        >>> list(fn({'--build-option': 'foo bar'}))
+        ['foo', 'bar']
+        >>> warnings.simplefilter('error', SetuptoolsDeprecationWarning)
+        >>> list(fn({'--global-option': 'foo'}))  # doctest: +IGNORE_EXCEPTION_DETAIL
+        Traceback (most recent call last):
+        SetuptoolsDeprecationWarning: ...arguments given via `--global-option`...
+        """
+        args = self._get_config("--global-option", config_settings)
+        global_opts = self._valid_global_options()
+        bad_args = []
+
+        for arg in args:
+            if arg.strip("-") not in global_opts:
+                bad_args.append(arg)
+                yield arg
+
+        yield from self._get_config("--build-option", config_settings)
+
+        if bad_args:
+            msg = f"""
+            The arguments {bad_args!r} were given via `--global-option`.
+            Please use `--build-option` instead,
+            `--global-option` is reserved to flags like `--verbose` or `--quiet`.
+            """
+            warnings.warn(msg, SetuptoolsDeprecationWarning)
+
+
+class _BuildMetaBackend(_ConfigSettingsTranslator):
+    def _get_build_requires(self, config_settings, requirements):
+        sys.argv = [
+            *sys.argv[:1],
+            *self._global_args(config_settings),
+            "egg_info",
+            *self._arbitrary_args(config_settings),
+        ]
+        try:
+            with Distribution.patch():
+                self.run_setup()
+        except SetupRequirementsError as e:
+            requirements += e.specifiers
+
+        return requirements
+
+    def run_setup(self, setup_script='setup.py'):
+        # Note that we can reuse our build directory between calls
+        # Correctness comes first, then optimization later
+        __file__ = setup_script
+        __name__ = '__main__'
+
+        with _open_setup_script(__file__) as f:
+            code = f.read().replace(r'\r\n', r'\n')
+
+        exec(code, locals())
+
+    def get_requires_for_build_wheel(self, config_settings=None):
+        return self._get_build_requires(config_settings, requirements=['wheel'])
+
+    def get_requires_for_build_sdist(self, config_settings=None):
+        return self._get_build_requires(config_settings, requirements=[])
+
+    def _bubble_up_info_directory(self, metadata_directory: str, suffix: str) -> str:
+        """
+        PEP 517 requires that the .dist-info directory be placed in the
+        metadata_directory. To comply, we MUST copy the directory to the root.
+
+        Returns the basename of the info directory, e.g. `proj-0.0.0.dist-info`.
+        """
+        info_dir = self._find_info_directory(metadata_directory, suffix)
+        if not same_path(info_dir.parent, metadata_directory):
+            shutil.move(str(info_dir), metadata_directory)
+            # PEP 517 allow other files and dirs to exist in metadata_directory
+        return info_dir.name
+
+    def _find_info_directory(self, metadata_directory: str, suffix: str) -> Path:
+        for parent, dirs, _ in os.walk(metadata_directory):
+            candidates = [f for f in dirs if f.endswith(suffix)]
+
+            if len(candidates) != 0 or len(dirs) != 1:
+                assert len(candidates) == 1, f"Multiple {suffix} directories found"
+                return Path(parent, candidates[0])
+
+        msg = f"No {suffix} directory found in {metadata_directory}"
+        raise errors.InternalError(msg)
+
+    def prepare_metadata_for_build_wheel(self, metadata_directory,
+                                         config_settings=None):
+        sys.argv = [
+            *sys.argv[:1],
+            *self._global_args(config_settings),
+            "dist_info",
+            "--output-dir", metadata_directory,
+            "--keep-egg-info",
+        ]
+        with no_install_setup_requires():
+            self.run_setup()
+
+        self._bubble_up_info_directory(metadata_directory, ".egg-info")
+        return self._bubble_up_info_directory(metadata_directory, ".dist-info")
+
+    def _build_with_temp_dir(self, setup_command, result_extension,
+                             result_directory, config_settings):
+        result_directory = os.path.abspath(result_directory)
+
+        # Build in a temporary directory, then copy to the target.
+        os.makedirs(result_directory, exist_ok=True)
+        with tempfile.TemporaryDirectory(dir=result_directory) as tmp_dist_dir:
+            sys.argv = [
+                *sys.argv[:1],
+                *self._global_args(config_settings),
+                *setup_command,
+                "--dist-dir", tmp_dist_dir,
+                *self._arbitrary_args(config_settings),
+            ]
+            with no_install_setup_requires():
+                self.run_setup()
+
+            result_basename = _file_with_extension(
+                tmp_dist_dir, result_extension)
+            result_path = os.path.join(result_directory, result_basename)
+            if os.path.exists(result_path):
+                # os.rename will fail overwriting on non-Unix.
+                os.remove(result_path)
+            os.rename(os.path.join(tmp_dist_dir, result_basename), result_path)
+
+        return result_basename
+
+    def build_wheel(self, wheel_directory, config_settings=None,
+                    metadata_directory=None):
+        with suppress_known_deprecation():
+            return self._build_with_temp_dir(['bdist_wheel'], '.whl',
+                                             wheel_directory, config_settings)
+
+    def build_sdist(self, sdist_directory, config_settings=None):
+        return self._build_with_temp_dir(['sdist', '--formats', 'gztar'],
+                                         '.tar.gz', sdist_directory,
+                                         config_settings)
+
+    def _get_dist_info_dir(self, metadata_directory: Optional[str]) -> Optional[str]:
+        if not metadata_directory:
+            return None
+        dist_info_candidates = list(Path(metadata_directory).glob("*.dist-info"))
+        assert len(dist_info_candidates) <= 1
+        return str(dist_info_candidates[0]) if dist_info_candidates else None
+
+    if not LEGACY_EDITABLE:
+
+        # PEP660 hooks:
+        # build_editable
+        # get_requires_for_build_editable
+        # prepare_metadata_for_build_editable
+        def build_editable(
+            self, wheel_directory, config_settings=None, metadata_directory=None
+        ):
+            # XXX can or should we hide our editable_wheel command normally?
+            info_dir = self._get_dist_info_dir(metadata_directory)
+            opts = ["--dist-info-dir", info_dir] if info_dir else []
+            cmd = ["editable_wheel", *opts, *self._editable_args(config_settings)]
+            with suppress_known_deprecation():
+                return self._build_with_temp_dir(
+                    cmd, ".whl", wheel_directory, config_settings
+                )
+
+        def get_requires_for_build_editable(self, config_settings=None):
+            return self.get_requires_for_build_wheel(config_settings)
+
+        def prepare_metadata_for_build_editable(self, metadata_directory,
+                                                config_settings=None):
+            return self.prepare_metadata_for_build_wheel(
+                metadata_directory, config_settings
+            )
+
+
+class _BuildMetaLegacyBackend(_BuildMetaBackend):
+    """Compatibility backend for setuptools
+
+    This is a version of setuptools.build_meta that endeavors
+    to maintain backwards
+    compatibility with pre-PEP 517 modes of invocation. It
+    exists as a temporary
+    bridge between the old packaging mechanism and the new
+    packaging mechanism,
+    and will eventually be removed.
+    """
+    def run_setup(self, setup_script='setup.py'):
+        # In order to maintain compatibility with scripts assuming that
+        # the setup.py script is in a directory on the PYTHONPATH, inject
+        # '' into sys.path. (pypa/setuptools#1642)
+        sys_path = list(sys.path)           # Save the original path
+
+        script_dir = os.path.dirname(os.path.abspath(setup_script))
+        if script_dir not in sys.path:
+            sys.path.insert(0, script_dir)
+
+        # Some setup.py scripts (e.g. in pygame and numpy) use sys.argv[0] to
+        # get the directory of the source code. They expect it to refer to the
+        # setup.py script.
+        sys_argv_0 = sys.argv[0]
+        sys.argv[0] = setup_script
+
+        try:
+            super(_BuildMetaLegacyBackend,
+                  self).run_setup(setup_script=setup_script)
+        finally:
+            # While PEP 517 frontends should be calling each hook in a fresh
+            # subprocess according to the standard (and thus it should not be
+            # strictly necessary to restore the old sys.path), we'll restore
+            # the original path so that the path manipulation does not persist
+            # within the hook after run_setup is called.
+            sys.path[:] = sys_path
+            sys.argv[0] = sys_argv_0
+
+
+# The primary backend
+_BACKEND = _BuildMetaBackend()
+
+get_requires_for_build_wheel = _BACKEND.get_requires_for_build_wheel
+get_requires_for_build_sdist = _BACKEND.get_requires_for_build_sdist
+prepare_metadata_for_build_wheel = _BACKEND.prepare_metadata_for_build_wheel
+build_wheel = _BACKEND.build_wheel
+build_sdist = _BACKEND.build_sdist
+
+if not LEGACY_EDITABLE:
+    get_requires_for_build_editable = _BACKEND.get_requires_for_build_editable
+    prepare_metadata_for_build_editable = _BACKEND.prepare_metadata_for_build_editable
+    build_editable = _BACKEND.build_editable
+
+
+# The legacy backend
+__legacy__ = _BuildMetaLegacyBackend()
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--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/__init__.py
@@ -0,0 +1,12 @@
+from distutils.command.bdist import bdist
+import sys
+
+if 'egg' not in bdist.format_commands:
+    try:
+        bdist.format_commands['egg'] = ('bdist_egg', "Python .egg file")
+    except TypeError:
+        # For backward compatibility with older distutils (stdlib)
+        bdist.format_command['egg'] = ('bdist_egg', "Python .egg file")
+        bdist.format_commands.append('egg')
+
+del bdist, sys
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/alias.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/alias.py
new file mode 100644
index 00000000..452a9244
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/alias.py
@@ -0,0 +1,78 @@
+from distutils.errors import DistutilsOptionError
+
+from setuptools.command.setopt import edit_config, option_base, config_file
+
+
+def shquote(arg):
+    """Quote an argument for later parsing by shlex.split()"""
+    for c in '"', "'", "\\", "#":
+        if c in arg:
+            return repr(arg)
+    if arg.split() != [arg]:
+        return repr(arg)
+    return arg
+
+
+class alias(option_base):
+    """Define a shortcut that invokes one or more commands"""
+
+    description = "define a shortcut to invoke one or more commands"
+    command_consumes_arguments = True
+
+    user_options = [
+        ('remove', 'r', 'remove (unset) the alias'),
+    ] + option_base.user_options
+
+    boolean_options = option_base.boolean_options + ['remove']
+
+    def initialize_options(self):
+        option_base.initialize_options(self)
+        self.args = None
+        self.remove = None
+
+    def finalize_options(self):
+        option_base.finalize_options(self)
+        if self.remove and len(self.args) != 1:
+            raise DistutilsOptionError(
+                "Must specify exactly one argument (the alias name) when "
+                "using --remove"
+            )
+
+    def run(self):
+        aliases = self.distribution.get_option_dict('aliases')
+
+        if not self.args:
+            print("Command Aliases")
+            print("---------------")
+            for alias in aliases:
+                print("setup.py alias", format_alias(alias, aliases))
+            return
+
+        elif len(self.args) == 1:
+            alias, = self.args
+            if self.remove:
+                command = None
+            elif alias in aliases:
+                print("setup.py alias", format_alias(alias, aliases))
+                return
+            else:
+                print("No alias definition found for %r" % alias)
+                return
+        else:
+            alias = self.args[0]
+            command = ' '.join(map(shquote, self.args[1:]))
+
+        edit_config(self.filename, {'aliases': {alias: command}}, self.dry_run)
+
+
+def format_alias(name, aliases):
+    source, command = aliases[name]
+    if source == config_file('global'):
+        source = '--global-config '
+    elif source == config_file('user'):
+        source = '--user-config '
+    elif source == config_file('local'):
+        source = ''
+    else:
+        source = '--filename=%r' % source
+    return source + name + ' ' + command
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/bdist_egg.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/bdist_egg.py
new file mode 100644
index 00000000..11a1c6be
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/bdist_egg.py
@@ -0,0 +1,457 @@
+"""setuptools.command.bdist_egg
+
+Build .egg distributions"""
+
+from distutils.dir_util import remove_tree, mkpath
+from distutils import log
+from types import CodeType
+import sys
+import os
+import re
+import textwrap
+import marshal
+
+from pkg_resources import get_build_platform, Distribution
+from setuptools.extension import Library
+from setuptools import Command
+from .._path import ensure_directory
+
+from sysconfig import get_path, get_python_version
+
+
+def _get_purelib():
+    return get_path("purelib")
+
+
+def strip_module(filename):
+    if '.' in filename:
+        filename = os.path.splitext(filename)[0]
+    if filename.endswith('module'):
+        filename = filename[:-6]
+    return filename
+
+
+def sorted_walk(dir):
+    """Do os.walk in a reproducible way,
+    independent of indeterministic filesystem readdir order
+    """
+    for base, dirs, files in os.walk(dir):
+        dirs.sort()
+        files.sort()
+        yield base, dirs, files
+
+
+def write_stub(resource, pyfile):
+    _stub_template = textwrap.dedent("""
+        def __bootstrap__():
+            global __bootstrap__, __loader__, __file__
+            import sys, pkg_resources, importlib.util
+            __file__ = pkg_resources.resource_filename(__name__, %r)
+            __loader__ = None; del __bootstrap__, __loader__
+            spec = importlib.util.spec_from_file_location(__name__,__file__)
+            mod = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(mod)
+        __bootstrap__()
+        """).lstrip()
+    with open(pyfile, 'w') as f:
+        f.write(_stub_template % resource)
+
+
+class bdist_egg(Command):
+    description = "create an \"egg\" distribution"
+
+    user_options = [
+        ('bdist-dir=', 'b',
+         "temporary directory for creating the distribution"),
+        ('plat-name=', 'p', "platform name to embed in generated filenames "
+                            "(default: %s)" % get_build_platform()),
+        ('exclude-source-files', None,
+         "remove all .py files from the generated egg"),
+        ('keep-temp', 'k',
+         "keep the pseudo-installation tree around after " +
+         "creating the distribution archive"),
+        ('dist-dir=', 'd',
+         "directory to put final built distributions in"),
+        ('skip-build', None,
+         "skip rebuilding everything (for testing/debugging)"),
+    ]
+
+    boolean_options = [
+        'keep-temp', 'skip-build', 'exclude-source-files'
+    ]
+
+    def initialize_options(self):
+        self.bdist_dir = None
+        self.plat_name = None
+        self.keep_temp = 0
+        self.dist_dir = None
+        self.skip_build = 0
+        self.egg_output = None
+        self.exclude_source_files = None
+
+    def finalize_options(self):
+        ei_cmd = self.ei_cmd = self.get_finalized_command("egg_info")
+        self.egg_info = ei_cmd.egg_info
+
+        if self.bdist_dir is None:
+            bdist_base = self.get_finalized_command('bdist').bdist_base
+            self.bdist_dir = os.path.join(bdist_base, 'egg')
+
+        if self.plat_name is None:
+            self.plat_name = get_build_platform()
+
+        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))
+
+        if self.egg_output is None:
+
+            # Compute filename of the output egg
+            basename = Distribution(
+                None, None, ei_cmd.egg_name, ei_cmd.egg_version,
+                get_python_version(),
+                self.distribution.has_ext_modules() and self.plat_name
+            ).egg_name()
+
+            self.egg_output = os.path.join(self.dist_dir, basename + '.egg')
+
+    def do_install_data(self):
+        # Hack for packages that install data to install's --install-lib
+        self.get_finalized_command('install').install_lib = self.bdist_dir
+
+        site_packages = os.path.normcase(os.path.realpath(_get_purelib()))
+        old, self.distribution.data_files = self.distribution.data_files, []
+
+        for item in old:
+            if isinstance(item, tuple) and len(item) == 2:
+                if os.path.isabs(item[0]):
+                    realpath = os.path.realpath(item[0])
+                    normalized = os.path.normcase(realpath)
+                    if normalized == site_packages or normalized.startswith(
+                        site_packages + os.sep
+                    ):
+                        item = realpath[len(site_packages) + 1:], item[1]
+                        # XXX else: raise ???
+            self.distribution.data_files.append(item)
+
+        try:
+            log.info("installing package data to %s", self.bdist_dir)
+            self.call_command('install_data', force=0, root=None)
+        finally:
+            self.distribution.data_files = old
+
+    def get_outputs(self):
+        return [self.egg_output]
+
+    def call_command(self, cmdname, **kw):
+        """Invoke reinitialized command `cmdname` with keyword args"""
+        for dirname in INSTALL_DIRECTORY_ATTRS:
+            kw.setdefault(dirname, self.bdist_dir)
+        kw.setdefault('skip_build', self.skip_build)
+        kw.setdefault('dry_run', self.dry_run)
+        cmd = self.reinitialize_command(cmdname, **kw)
+        self.run_command(cmdname)
+        return cmd
+
+    def run(self):  # noqa: C901  # is too complex (14)  # FIXME
+        # Generate metadata first
+        self.run_command("egg_info")
+        # We run install_lib before install_data, because some data hacks
+        # pull their data path from the install_lib command.
+        log.info("installing library code to %s", self.bdist_dir)
+        instcmd = self.get_finalized_command('install')
+        old_root = instcmd.root
+        instcmd.root = None
+        if self.distribution.has_c_libraries() and not self.skip_build:
+            self.run_command('build_clib')
+        cmd = self.call_command('install_lib', warn_dir=0)
+        instcmd.root = old_root
+
+        all_outputs, ext_outputs = self.get_ext_outputs()
+        self.stubs = []
+        to_compile = []
+        for (p, ext_name) in enumerate(ext_outputs):
+            filename, ext = os.path.splitext(ext_name)
+            pyfile = os.path.join(self.bdist_dir, strip_module(filename) +
+                                  '.py')
+            self.stubs.append(pyfile)
+            log.info("creating stub loader for %s", ext_name)
+            if not self.dry_run:
+                write_stub(os.path.basename(ext_name), pyfile)
+            to_compile.append(pyfile)
+            ext_outputs[p] = ext_name.replace(os.sep, '/')
+
+        if to_compile:
+            cmd.byte_compile(to_compile)
+        if self.distribution.data_files:
+            self.do_install_data()
+
+        # Make the EGG-INFO directory
+        archive_root = self.bdist_dir
+        egg_info = os.path.join(archive_root, 'EGG-INFO')
+        self.mkpath(egg_info)
+        if self.distribution.scripts:
+            script_dir = os.path.join(egg_info, 'scripts')
+            log.info("installing scripts to %s", script_dir)
+            self.call_command('install_scripts', install_dir=script_dir,
+                              no_ep=1)
+
+        self.copy_metadata_to(egg_info)
+        native_libs = os.path.join(egg_info, "native_libs.txt")
+        if all_outputs:
+            log.info("writing %s", native_libs)
+            if not self.dry_run:
+                ensure_directory(native_libs)
+                libs_file = open(native_libs, 'wt')
+                libs_file.write('\n'.join(all_outputs))
+                libs_file.write('\n')
+                libs_file.close()
+        elif os.path.isfile(native_libs):
+            log.info("removing %s", native_libs)
+            if not self.dry_run:
+                os.unlink(native_libs)
+
+        write_safety_flag(
+            os.path.join(archive_root, 'EGG-INFO'), self.zip_safe()
+        )
+
+        if os.path.exists(os.path.join(self.egg_info, 'depends.txt')):
+            log.warn(
+                "WARNING: 'depends.txt' will not be used by setuptools 0.6!\n"
+                "Use the install_requires/extras_require setup() args instead."
+            )
+
+        if self.exclude_source_files:
+            self.zap_pyfiles()
+
+        # Make the archive
+        make_zipfile(self.egg_output, archive_root, verbose=self.verbose,
+                     dry_run=self.dry_run, mode=self.gen_header())
+        if not self.keep_temp:
+            remove_tree(self.bdist_dir, dry_run=self.dry_run)
+
+        # Add to 'Distribution.dist_files' so that the "upload" command works
+        getattr(self.distribution, 'dist_files', []).append(
+            ('bdist_egg', get_python_version(), self.egg_output))
+
+    def zap_pyfiles(self):
+        log.info("Removing .py files from temporary directory")
+        for base, dirs, files in walk_egg(self.bdist_dir):
+            for name in files:
+                path = os.path.join(base, name)
+
+                if name.endswith('.py'):
+                    log.debug("Deleting %s", path)
+                    os.unlink(path)
+
+                if base.endswith('__pycache__'):
+                    path_old = path
+
+                    pattern = r'(?P<name>.+)\.(?P<magic>[^.]+)\.pyc'
+                    m = re.match(pattern, name)
+                    path_new = os.path.join(
+                        base, os.pardir, m.group('name') + '.pyc')
+                    log.info(
+                        "Renaming file from [%s] to [%s]"
+                        % (path_old, path_new))
+                    try:
+                        os.remove(path_new)
+                    except OSError:
+                        pass
+                    os.rename(path_old, path_new)
+
+    def zip_safe(self):
+        safe = getattr(self.distribution, 'zip_safe', None)
+        if safe is not None:
+            return safe
+        log.warn("zip_safe flag not set; analyzing archive contents...")
+        return analyze_egg(self.bdist_dir, self.stubs)
+
+    def gen_header(self):
+        return 'w'
+
+    def copy_metadata_to(self, target_dir):
+        "Copy metadata (egg info) to the target_dir"
+        # normalize the path (so that a forward-slash in egg_info will
+        # match using startswith below)
+        norm_egg_info = os.path.normpath(self.egg_info)
+        prefix = os.path.join(norm_egg_info, '')
+        for path in self.ei_cmd.filelist.files:
+            if path.startswith(prefix):
+                target = os.path.join(target_dir, path[len(prefix):])
+                ensure_directory(target)
+                self.copy_file(path, target)
+
+    def get_ext_outputs(self):
+        """Get a list of relative paths to C extensions in the output distro"""
+
+        all_outputs = []
+        ext_outputs = []
+
+        paths = {self.bdist_dir: ''}
+        for base, dirs, files in sorted_walk(self.bdist_dir):
+            for filename in files:
+                if os.path.splitext(filename)[1].lower() in NATIVE_EXTENSIONS:
+                    all_outputs.append(paths[base] + filename)
+            for filename in dirs:
+                paths[os.path.join(base, filename)] = (paths[base] +
+                                                       filename + '/')
+
+        if self.distribution.has_ext_modules():
+            build_cmd = self.get_finalized_command('build_ext')
+            for ext in build_cmd.extensions:
+                if isinstance(ext, Library):
+                    continue
+                fullname = build_cmd.get_ext_fullname(ext.name)
+                filename = build_cmd.get_ext_filename(fullname)
+                if not os.path.basename(filename).startswith('dl-'):
+                    if os.path.exists(os.path.join(self.bdist_dir, filename)):
+                        ext_outputs.append(filename)
+
+        return all_outputs, ext_outputs
+
+
+NATIVE_EXTENSIONS = dict.fromkeys('.dll .so .dylib .pyd'.split())
+
+
+def walk_egg(egg_dir):
+    """Walk an unpacked egg's contents, skipping the metadata directory"""
+    walker = sorted_walk(egg_dir)
+    base, dirs, files = next(walker)
+    if 'EGG-INFO' in dirs:
+        dirs.remove('EGG-INFO')
+    yield base, dirs, files
+    for bdf in walker:
+        yield bdf
+
+
+def analyze_egg(egg_dir, stubs):
+    # check for existing flag in EGG-INFO
+    for flag, fn in safety_flags.items():
+        if os.path.exists(os.path.join(egg_dir, 'EGG-INFO', fn)):
+            return flag
+    if not can_scan():
+        return False
+    safe = True
+    for base, dirs, files in walk_egg(egg_dir):
+        for name in files:
+            if name.endswith('.py') or name.endswith('.pyw'):
+                continue
+            elif name.endswith('.pyc') or name.endswith('.pyo'):
+                # always scan, even if we already know we're not safe
+                safe = scan_module(egg_dir, base, name, stubs) and safe
+    return safe
+
+
+def write_safety_flag(egg_dir, safe):
+    # Write or remove zip safety flag file(s)
+    for flag, fn in safety_flags.items():
+        fn = os.path.join(egg_dir, fn)
+        if os.path.exists(fn):
+            if safe is None or bool(safe) != flag:
+                os.unlink(fn)
+        elif safe is not None and bool(safe) == flag:
+            f = open(fn, 'wt')
+            f.write('\n')
+            f.close()
+
+
+safety_flags = {
+    True: 'zip-safe',
+    False: 'not-zip-safe',
+}
+
+
+def scan_module(egg_dir, base, name, stubs):
+    """Check whether module possibly uses unsafe-for-zipfile stuff"""
+
+    filename = os.path.join(base, name)
+    if filename[:-1] in stubs:
+        return True  # Extension module
+    pkg = base[len(egg_dir) + 1:].replace(os.sep, '.')
+    module = pkg + (pkg and '.' or '') + os.path.splitext(name)[0]
+    if sys.version_info < (3, 7):
+        skip = 12  # skip magic & date & file size
+    else:
+        skip = 16  # skip magic & reserved? & date & file size
+    f = open(filename, 'rb')
+    f.read(skip)
+    code = marshal.load(f)
+    f.close()
+    safe = True
+    symbols = dict.fromkeys(iter_symbols(code))
+    for bad in ['__file__', '__path__']:
+        if bad in symbols:
+            log.warn("%s: module references %s", module, bad)
+            safe = False
+    if 'inspect' in symbols:
+        for bad in [
+            'getsource', 'getabsfile', 'getsourcefile', 'getfile'
+            'getsourcelines', 'findsource', 'getcomments', 'getframeinfo',
+            'getinnerframes', 'getouterframes', 'stack', 'trace'
+        ]:
+            if bad in symbols:
+                log.warn("%s: module MAY be using inspect.%s", module, bad)
+                safe = False
+    return safe
+
+
+def iter_symbols(code):
+    """Yield names and strings used by `code` and its nested code objects"""
+    for name in code.co_names:
+        yield name
+    for const in code.co_consts:
+        if isinstance(const, str):
+            yield const
+        elif isinstance(const, CodeType):
+            for name in iter_symbols(const):
+                yield name
+
+
+def can_scan():
+    if not sys.platform.startswith('java') and sys.platform != 'cli':
+        # CPython, PyPy, etc.
+        return True
+    log.warn("Unable to analyze compiled code on this platform.")
+    log.warn("Please ask the author to include a 'zip_safe'"
+             " setting (either True or False) in the package's setup.py")
+
+
+# Attribute names of options for commands that might need to be convinced to
+# install to the egg build directory
+
+INSTALL_DIRECTORY_ATTRS = [
+    'install_lib', 'install_dir', 'install_data', 'install_base'
+]
+
+
+def make_zipfile(zip_filename, base_dir, verbose=0, dry_run=0, compress=True,
+                 mode='w'):
+    """Create a zip file from all the files under 'base_dir'.  The output
+    zip file will be named 'base_dir' + ".zip".  Uses either the "zipfile"
+    Python module (if available) or the InfoZIP "zip" utility (if installed
+    and found on the default search path).  If neither tool is available,
+    raises DistutilsExecError.  Returns the name of the output zip file.
+    """
+    import zipfile
+
+    mkpath(os.path.dirname(zip_filename), dry_run=dry_run)
+    log.info("creating '%s' and adding '%s' to it", zip_filename, base_dir)
+
+    def visit(z, dirname, names):
+        for name in names:
+            path = os.path.normpath(os.path.join(dirname, name))
+            if os.path.isfile(path):
+                p = path[len(base_dir) + 1:]
+                if not dry_run:
+                    z.write(path, p)
+                log.debug("adding '%s'", p)
+
+    compression = zipfile.ZIP_DEFLATED if compress else zipfile.ZIP_STORED
+    if not dry_run:
+        z = zipfile.ZipFile(zip_filename, mode, compression=compression)
+        for dirname, dirs, files in sorted_walk(base_dir):
+            visit(z, dirname, files)
+        z.close()
+    else:
+        for dirname, dirs, files in sorted_walk(base_dir):
+            visit(None, dirname, files)
+    return zip_filename
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/bdist_rpm.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/bdist_rpm.py
new file mode 100644
index 00000000..98bf5dea
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/bdist_rpm.py
@@ -0,0 +1,40 @@
+import distutils.command.bdist_rpm as orig
+import warnings
+
+from setuptools import SetuptoolsDeprecationWarning
+
+
+class bdist_rpm(orig.bdist_rpm):
+    """
+    Override the default bdist_rpm behavior to do the following:
+
+    1. Run egg_info to ensure the name and version are properly calculated.
+    2. Always run 'install' using --single-version-externally-managed to
+       disable eggs in RPM distributions.
+    """
+
+    def run(self):
+        warnings.warn(
+            "bdist_rpm is deprecated and will be removed in a future "
+            "version. Use bdist_wheel (wheel packages) instead.",
+            SetuptoolsDeprecationWarning,
+        )
+
+        # ensure distro name is up-to-date
+        self.run_command('egg_info')
+
+        orig.bdist_rpm.run(self)
+
+    def _make_spec_file(self):
+        spec = orig.bdist_rpm._make_spec_file(self)
+        spec = [
+            line.replace(
+                "setup.py install ",
+                "setup.py install --single-version-externally-managed "
+            ).replace(
+                "%setup",
+                "%setup -n %{name}-%{unmangled_version}"
+            )
+            for line in spec
+        ]
+        return spec
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build.py
new file mode 100644
index 00000000..c0676d8e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build.py
@@ -0,0 +1,146 @@
+import sys
+import warnings
+from typing import TYPE_CHECKING, List, Dict
+from distutils.command.build import build as _build
+
+from setuptools import SetuptoolsDeprecationWarning
+
+if sys.version_info >= (3, 8):
+    from typing import Protocol
+elif TYPE_CHECKING:
+    from typing_extensions import Protocol
+else:
+    from abc import ABC as Protocol
+
+
+_ORIGINAL_SUBCOMMANDS = {"build_py", "build_clib", "build_ext", "build_scripts"}
+
+
+class build(_build):
+    # copy to avoid sharing the object with parent class
+    sub_commands = _build.sub_commands[:]
+
+    def get_sub_commands(self):
+        subcommands = {cmd[0] for cmd in _build.sub_commands}
+        if subcommands - _ORIGINAL_SUBCOMMANDS:
+            msg = """
+            It seems that you are using `distutils.command.build` to add
+            new subcommands. Using `distutils` directly is considered deprecated,
+            please use `setuptools.command.build`.
+            """
+            warnings.warn(msg, SetuptoolsDeprecationWarning)
+            self.sub_commands = _build.sub_commands
+        return super().get_sub_commands()
+
+
+class SubCommand(Protocol):
+    """In order to support editable installations (see :pep:`660`) all
+    build subcommands **SHOULD** implement this protocol. They also **MUST** inherit
+    from ``setuptools.Command``.
+
+    When creating an :pep:`editable wheel <660>`, ``setuptools`` will try to evaluate
+    custom ``build`` subcommands using the following procedure:
+
+    1. ``setuptools`` will set the ``editable_mode`` attribute to ``True``
+    2. ``setuptools`` will execute the ``run()`` command.
+
+       .. important::
+          Subcommands **SHOULD** take advantage of ``editable_mode=True`` to adequate
+          its behaviour or perform optimisations.
+
+          For example, if a subcommand don't need to generate any extra file and
+          everything it does is to copy a source file into the build directory,
+          ``run()`` **SHOULD** simply "early return".
+
+          Similarly, if the subcommand creates files that would be placed alongside
+          Python files in the final distribution, during an editable install
+          the command **SHOULD** generate these files "in place" (i.e. write them to
+          the original source directory, instead of using the build directory).
+          Note that ``get_output_mapping()`` should reflect that and include mappings
+          for "in place" builds accordingly.
+
+    3. ``setuptools`` use any knowledge it can derive from the return values of
+       ``get_outputs()`` and ``get_output_mapping()`` to create an editable wheel.
+       When relevant ``setuptools`` **MAY** attempt to use file links based on the value
+       of ``get_output_mapping()``. Alternatively, ``setuptools`` **MAY** attempt to use
+       :doc:`import hooks <python:reference/import>` to redirect any attempt to import
+       to the directory with the original source code and other files built in place.
+
+    Please note that custom sub-commands **SHOULD NOT** rely on ``run()`` being
+    executed (or not) to provide correct return values for ``get_outputs()``,
+    ``get_output_mapping()`` or ``get_source_files()``. The ``get_*`` methods should
+    work independently of ``run()``.
+    """
+
+    editable_mode: bool = False
+    """Boolean flag that will be set to ``True`` when setuptools is used for an
+    editable installation (see :pep:`660`).
+    Implementations **SHOULD** explicitly set the default value of this attribute to
+    ``False``.
+    When subcommands run, they can use this flag to perform optimizations or change
+    their behaviour accordingly.
+    """
+
+    build_lib: str
+    """String representing the directory where the build artifacts should be stored,
+    e.g. ``build/lib``.
+    For example, if a distribution wants to provide a Python module named ``pkg.mod``,
+    then a corresponding file should be written to ``{build_lib}/package/module.py``.
+    A way of thinking about this is that the files saved under ``build_lib``
+    would be eventually copied to one of the directories in :obj:`site.PREFIXES`
+    upon installation.
+
+    A command that produces platform-independent files (e.g. compiling text templates
+    into Python functions), **CAN** initialize ``build_lib`` by copying its value from
+    the ``build_py`` command. On the other hand, a command that produces
+    platform-specific files **CAN** initialize ``build_lib`` by copying its value from
+    the ``build_ext`` command. In general this is done inside the ``finalize_options``
+    method with the help of the ``set_undefined_options`` command::
+
+        def finalize_options(self):
+            self.set_undefined_options("build_py", ("build_lib", "build_lib"))
+            ...
+    """
+
+    def initialize_options(self):
+        """(Required by the original :class:`setuptools.Command` interface)"""
+
+    def finalize_options(self):
+        """(Required by the original :class:`setuptools.Command` interface)"""
+
+    def run(self):
+        """(Required by the original :class:`setuptools.Command` interface)"""
+
+    def get_source_files(self) -> List[str]:
+        """
+        Return a list of all files that are used by the command to create the expected
+        outputs.
+        For example, if your build command transpiles Java files into Python, you should
+        list here all the Java files.
+        The primary purpose of this function is to help populating the ``sdist``
+        with all the files necessary to build the distribution.
+        All files should be strings relative to the project root directory.
+        """
+
+    def get_outputs(self) -> List[str]:
+        """
+        Return a list of files intended for distribution as they would have been
+        produced by the build.
+        These files should be strings in the form of
+        ``"{build_lib}/destination/file/path"``.
+
+        .. note::
+           The return value of ``get_output()`` should include all files used as keys
+           in ``get_output_mapping()`` plus files that are generated during the build
+           and don't correspond to any source file already present in the project.
+        """
+
+    def get_output_mapping(self) -> Dict[str, str]:
+        """
+        Return a mapping between destination files as they would be produced by the
+        build (dict keys) into the respective existing (source) files (dict values).
+        Existing (source) files should be represented as strings relative to the project
+        root directory.
+        Destination files should be strings in the form of
+        ``"{build_lib}/destination/file/path"``.
+        """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_clib.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_clib.py
new file mode 100644
index 00000000..67ce2444
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_clib.py
@@ -0,0 +1,101 @@
+import distutils.command.build_clib as orig
+from distutils.errors import DistutilsSetupError
+from distutils import log
+from setuptools.dep_util import newer_pairwise_group
+
+
+class build_clib(orig.build_clib):
+    """
+    Override the default build_clib behaviour to do the following:
+
+    1. Implement a rudimentary timestamp-based dependency system
+       so 'compile()' doesn't run every time.
+    2. Add more keys to the 'build_info' dictionary:
+        * obj_deps - specify dependencies for each object compiled.
+                     this should be a dictionary mapping a key
+                     with the source filename to a list of
+                     dependencies. Use an empty string for global
+                     dependencies.
+        * cflags   - specify a list of additional flags to pass to
+                     the compiler.
+    """
+
+    def build_libraries(self, libraries):
+        for (lib_name, build_info) in libraries:
+            sources = build_info.get('sources')
+            if sources is None or not isinstance(sources, (list, tuple)):
+                raise DistutilsSetupError(
+                    "in 'libraries' option (library '%s'), "
+                    "'sources' must be present and must be "
+                    "a list of source filenames" % lib_name)
+            sources = list(sources)
+
+            log.info("building '%s' library", lib_name)
+
+            # Make sure everything is the correct type.
+            # obj_deps should be a dictionary of keys as sources
+            # and a list/tuple of files that are its dependencies.
+            obj_deps = build_info.get('obj_deps', dict())
+            if not isinstance(obj_deps, dict):
+                raise DistutilsSetupError(
+                    "in 'libraries' option (library '%s'), "
+                    "'obj_deps' must be a dictionary of "
+                    "type 'source: list'" % lib_name)
+            dependencies = []
+
+            # Get the global dependencies that are specified by the '' key.
+            # These will go into every source's dependency list.
+            global_deps = obj_deps.get('', list())
+            if not isinstance(global_deps, (list, tuple)):
+                raise DistutilsSetupError(
+                    "in 'libraries' option (library '%s'), "
+                    "'obj_deps' must be a dictionary of "
+                    "type 'source: list'" % lib_name)
+
+            # Build the list to be used by newer_pairwise_group
+            # each source will be auto-added to its dependencies.
+            for source in sources:
+                src_deps = [source]
+                src_deps.extend(global_deps)
+                extra_deps = obj_deps.get(source, list())
+                if not isinstance(extra_deps, (list, tuple)):
+                    raise DistutilsSetupError(
+                        "in 'libraries' option (library '%s'), "
+                        "'obj_deps' must be a dictionary of "
+                        "type 'source: list'" % lib_name)
+                src_deps.extend(extra_deps)
+                dependencies.append(src_deps)
+
+            expected_objects = self.compiler.object_filenames(
+                sources,
+                output_dir=self.build_temp,
+            )
+
+            if (
+                newer_pairwise_group(dependencies, expected_objects)
+                != ([], [])
+            ):
+                # First, compile the source code to object files in the library
+                # directory.  (This should probably change to putting object
+                # files in a temporary build directory.)
+                macros = build_info.get('macros')
+                include_dirs = build_info.get('include_dirs')
+                cflags = build_info.get('cflags')
+                self.compiler.compile(
+                    sources,
+                    output_dir=self.build_temp,
+                    macros=macros,
+                    include_dirs=include_dirs,
+                    extra_postargs=cflags,
+                    debug=self.debug
+                )
+
+            # Now "link" the object files together into a static library.
+            # (On Unix at least, this isn't really linking -- it just
+            # builds an archive.  Whatever.)
+            self.compiler.create_static_lib(
+                expected_objects,
+                lib_name,
+                output_dir=self.build_clib,
+                debug=self.debug
+            )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_ext.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_ext.py
new file mode 100644
index 00000000..cbfe3ec1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_ext.py
@@ -0,0 +1,383 @@
+import os
+import sys
+import itertools
+from importlib.machinery import EXTENSION_SUFFIXES
+from importlib.util import cache_from_source as _compiled_file_name
+from typing import Dict, Iterator, List, Tuple
+
+from distutils.command.build_ext import build_ext as _du_build_ext
+from distutils.ccompiler import new_compiler
+from distutils.sysconfig import customize_compiler, get_config_var
+from distutils import log
+
+from setuptools.errors import BaseError
+from setuptools.extension import Extension, Library
+
+try:
+    # Attempt to use Cython for building extensions, if available
+    from Cython.Distutils.build_ext import build_ext as _build_ext
+    # Additionally, assert that the compiler module will load
+    # also. Ref #1229.
+    __import__('Cython.Compiler.Main')
+except ImportError:
+    _build_ext = _du_build_ext
+
+# make sure _config_vars is initialized
+get_config_var("LDSHARED")
+from distutils.sysconfig import _config_vars as _CONFIG_VARS  # noqa
+
+
+def _customize_compiler_for_shlib(compiler):
+    if sys.platform == "darwin":
+        # building .dylib requires additional compiler flags on OSX; here we
+        # temporarily substitute the pyconfig.h variables so that distutils'
+        # 'customize_compiler' uses them before we build the shared libraries.
+        tmp = _CONFIG_VARS.copy()
+        try:
+            # XXX Help!  I don't have any idea whether these are right...
+            _CONFIG_VARS['LDSHARED'] = (
+                "gcc -Wl,-x -dynamiclib -undefined dynamic_lookup")
+            _CONFIG_VARS['CCSHARED'] = " -dynamiclib"
+            _CONFIG_VARS['SO'] = ".dylib"
+            customize_compiler(compiler)
+        finally:
+            _CONFIG_VARS.clear()
+            _CONFIG_VARS.update(tmp)
+    else:
+        customize_compiler(compiler)
+
+
+have_rtld = False
+use_stubs = False
+libtype = 'shared'
+
+if sys.platform == "darwin":
+    use_stubs = True
+elif os.name != 'nt':
+    try:
+        import dl
+        use_stubs = have_rtld = hasattr(dl, 'RTLD_NOW')
+    except ImportError:
+        pass
+
+
+def if_dl(s):
+    return s if have_rtld else ''
+
+
+def get_abi3_suffix():
+    """Return the file extension for an abi3-compliant Extension()"""
+    for suffix in EXTENSION_SUFFIXES:
+        if '.abi3' in suffix:  # Unix
+            return suffix
+        elif suffix == '.pyd':  # Windows
+            return suffix
+
+
+class build_ext(_build_ext):
+    editable_mode: bool = False
+    inplace: bool = False
+
+    def run(self):
+        """Build extensions in build directory, then copy if --inplace"""
+        old_inplace, self.inplace = self.inplace, 0
+        _build_ext.run(self)
+        self.inplace = old_inplace
+        if old_inplace:
+            self.copy_extensions_to_source()
+
+    def _get_inplace_equivalent(self, build_py, ext: Extension) -> Tuple[str, str]:
+        fullname = self.get_ext_fullname(ext.name)
+        filename = self.get_ext_filename(fullname)
+        modpath = fullname.split('.')
+        package = '.'.join(modpath[:-1])
+        package_dir = build_py.get_package_dir(package)
+        inplace_file = os.path.join(package_dir, os.path.basename(filename))
+        regular_file = os.path.join(self.build_lib, filename)
+        return (inplace_file, regular_file)
+
+    def copy_extensions_to_source(self):
+        build_py = self.get_finalized_command('build_py')
+        for ext in self.extensions:
+            inplace_file, regular_file = self._get_inplace_equivalent(build_py, ext)
+
+            # Always copy, even if source is older than destination, to ensure
+            # that the right extensions for the current Python/platform are
+            # used.
+            if os.path.exists(regular_file) or not ext.optional:
+                self.copy_file(regular_file, inplace_file, level=self.verbose)
+
+            if ext._needs_stub:
+                inplace_stub = self._get_equivalent_stub(ext, inplace_file)
+                self._write_stub_file(inplace_stub, ext, compile=True)
+                # Always compile stub and remove the original (leave the cache behind)
+                # (this behaviour was observed in previous iterations of the code)
+
+    def _get_equivalent_stub(self, ext: Extension, output_file: str) -> str:
+        dir_ = os.path.dirname(output_file)
+        _, _, name = ext.name.rpartition(".")
+        return f"{os.path.join(dir_, name)}.py"
+
+    def _get_output_mapping(self) -> Iterator[Tuple[str, str]]:
+        if not self.inplace:
+            return
+
+        build_py = self.get_finalized_command('build_py')
+        opt = self.get_finalized_command('install_lib').optimize or ""
+
+        for ext in self.extensions:
+            inplace_file, regular_file = self._get_inplace_equivalent(build_py, ext)
+            yield (regular_file, inplace_file)
+
+            if ext._needs_stub:
+                # This version of `build_ext` always builds artifacts in another dir,
+                # when "inplace=True" is given it just copies them back.
+                # This is done in the `copy_extensions_to_source` function, which
+                # always compile stub files via `_compile_and_remove_stub`.
+                # At the end of the process, a `.pyc` stub file is created without the
+                # corresponding `.py`.
+
+                inplace_stub = self._get_equivalent_stub(ext, inplace_file)
+                regular_stub = self._get_equivalent_stub(ext, regular_file)
+                inplace_cache = _compiled_file_name(inplace_stub, optimization=opt)
+                output_cache = _compiled_file_name(regular_stub, optimization=opt)
+                yield (output_cache, inplace_cache)
+
+    def get_ext_filename(self, fullname):
+        so_ext = os.getenv('SETUPTOOLS_EXT_SUFFIX')
+        if so_ext:
+            filename = os.path.join(*fullname.split('.')) + so_ext
+        else:
+            filename = _build_ext.get_ext_filename(self, fullname)
+            so_ext = get_config_var('EXT_SUFFIX')
+
+        if fullname in self.ext_map:
+            ext = self.ext_map[fullname]
+            use_abi3 = getattr(ext, 'py_limited_api') and get_abi3_suffix()
+            if use_abi3:
+                filename = filename[:-len(so_ext)]
+                so_ext = get_abi3_suffix()
+                filename = filename + so_ext
+            if isinstance(ext, Library):
+                fn, ext = os.path.splitext(filename)
+                return self.shlib_compiler.library_filename(fn, libtype)
+            elif use_stubs and ext._links_to_dynamic:
+                d, fn = os.path.split(filename)
+                return os.path.join(d, 'dl-' + fn)
+        return filename
+
+    def initialize_options(self):
+        _build_ext.initialize_options(self)
+        self.shlib_compiler = None
+        self.shlibs = []
+        self.ext_map = {}
+        self.editable_mode = False
+
+    def finalize_options(self):
+        _build_ext.finalize_options(self)
+        self.extensions = self.extensions or []
+        self.check_extensions_list(self.extensions)
+        self.shlibs = [ext for ext in self.extensions
+                       if isinstance(ext, Library)]
+        if self.shlibs:
+            self.setup_shlib_compiler()
+        for ext in self.extensions:
+            ext._full_name = self.get_ext_fullname(ext.name)
+        for ext in self.extensions:
+            fullname = ext._full_name
+            self.ext_map[fullname] = ext
+
+            # distutils 3.1 will also ask for module names
+            # XXX what to do with conflicts?
+            self.ext_map[fullname.split('.')[-1]] = ext
+
+            ltd = self.shlibs and self.links_to_dynamic(ext) or False
+            ns = ltd and use_stubs and not isinstance(ext, Library)
+            ext._links_to_dynamic = ltd
+            ext._needs_stub = ns
+            filename = ext._file_name = self.get_ext_filename(fullname)
+            libdir = os.path.dirname(os.path.join(self.build_lib, filename))
+            if ltd and libdir not in ext.library_dirs:
+                ext.library_dirs.append(libdir)
+            if ltd and use_stubs and os.curdir not in ext.runtime_library_dirs:
+                ext.runtime_library_dirs.append(os.curdir)
+
+        if self.editable_mode:
+            self.inplace = True
+
+    def setup_shlib_compiler(self):
+        compiler = self.shlib_compiler = new_compiler(
+            compiler=self.compiler, dry_run=self.dry_run, force=self.force
+        )
+        _customize_compiler_for_shlib(compiler)
+
+        if self.include_dirs is not None:
+            compiler.set_include_dirs(self.include_dirs)
+        if self.define is not None:
+            # 'define' option is a list of (name,value) tuples
+            for (name, value) in self.define:
+                compiler.define_macro(name, value)
+        if self.undef is not None:
+            for macro in self.undef:
+                compiler.undefine_macro(macro)
+        if self.libraries is not None:
+            compiler.set_libraries(self.libraries)
+        if self.library_dirs is not None:
+            compiler.set_library_dirs(self.library_dirs)
+        if self.rpath is not None:
+            compiler.set_runtime_library_dirs(self.rpath)
+        if self.link_objects is not None:
+            compiler.set_link_objects(self.link_objects)
+
+        # hack so distutils' build_extension() builds a library instead
+        compiler.link_shared_object = link_shared_object.__get__(compiler)
+
+    def get_export_symbols(self, ext):
+        if isinstance(ext, Library):
+            return ext.export_symbols
+        return _build_ext.get_export_symbols(self, ext)
+
+    def build_extension(self, ext):
+        ext._convert_pyx_sources_to_lang()
+        _compiler = self.compiler
+        try:
+            if isinstance(ext, Library):
+                self.compiler = self.shlib_compiler
+            _build_ext.build_extension(self, ext)
+            if ext._needs_stub:
+                build_lib = self.get_finalized_command('build_py').build_lib
+                self.write_stub(build_lib, ext)
+        finally:
+            self.compiler = _compiler
+
+    def links_to_dynamic(self, ext):
+        """Return true if 'ext' links to a dynamic lib in the same package"""
+        # XXX this should check to ensure the lib is actually being built
+        # XXX as dynamic, and not just using a locally-found version or a
+        # XXX static-compiled version
+        libnames = dict.fromkeys([lib._full_name for lib in self.shlibs])
+        pkg = '.'.join(ext._full_name.split('.')[:-1] + [''])
+        return any(pkg + libname in libnames for libname in ext.libraries)
+
+    def get_outputs(self) -> List[str]:
+        if self.inplace:
+            return list(self.get_output_mapping().keys())
+        return sorted(_build_ext.get_outputs(self) + self.__get_stubs_outputs())
+
+    def get_output_mapping(self) -> Dict[str, str]:
+        """See :class:`setuptools.commands.build.SubCommand`"""
+        mapping = self._get_output_mapping()
+        return dict(sorted(mapping, key=lambda x: x[0]))
+
+    def __get_stubs_outputs(self):
+        # assemble the base name for each extension that needs a stub
+        ns_ext_bases = (
+            os.path.join(self.build_lib, *ext._full_name.split('.'))
+            for ext in self.extensions
+            if ext._needs_stub
+        )
+        # pair each base with the extension
+        pairs = itertools.product(ns_ext_bases, self.__get_output_extensions())
+        return list(base + fnext for base, fnext in pairs)
+
+    def __get_output_extensions(self):
+        yield '.py'
+        yield '.pyc'
+        if self.get_finalized_command('build_py').optimize:
+            yield '.pyo'
+
+    def write_stub(self, output_dir, ext, compile=False):
+        stub_file = os.path.join(output_dir, *ext._full_name.split('.')) + '.py'
+        self._write_stub_file(stub_file, ext, compile)
+
+    def _write_stub_file(self, stub_file: str, ext: Extension, compile=False):
+        log.info("writing stub loader for %s to %s", ext._full_name, stub_file)
+        if compile and os.path.exists(stub_file):
+            raise BaseError(stub_file + " already exists! Please delete.")
+        if not self.dry_run:
+            f = open(stub_file, 'w')
+            f.write(
+                '\n'.join([
+                    "def __bootstrap__():",
+                    "   global __bootstrap__, __file__, __loader__",
+                    "   import sys, os, pkg_resources, importlib.util" +
+                    if_dl(", dl"),
+                    "   __file__ = pkg_resources.resource_filename"
+                    "(__name__,%r)"
+                    % os.path.basename(ext._file_name),
+                    "   del __bootstrap__",
+                    "   if '__loader__' in globals():",
+                    "       del __loader__",
+                    if_dl("   old_flags = sys.getdlopenflags()"),
+                    "   old_dir = os.getcwd()",
+                    "   try:",
+                    "     os.chdir(os.path.dirname(__file__))",
+                    if_dl("     sys.setdlopenflags(dl.RTLD_NOW)"),
+                    "     spec = importlib.util.spec_from_file_location(",
+                    "                __name__, __file__)",
+                    "     mod = importlib.util.module_from_spec(spec)",
+                    "     spec.loader.exec_module(mod)",
+                    "   finally:",
+                    if_dl("     sys.setdlopenflags(old_flags)"),
+                    "     os.chdir(old_dir)",
+                    "__bootstrap__()",
+                    ""  # terminal \n
+                ])
+            )
+            f.close()
+        if compile:
+            self._compile_and_remove_stub(stub_file)
+
+    def _compile_and_remove_stub(self, stub_file: str):
+        from distutils.util import byte_compile
+
+        byte_compile([stub_file], optimize=0,
+                     force=True, dry_run=self.dry_run)
+        optimize = self.get_finalized_command('install_lib').optimize
+        if optimize > 0:
+            byte_compile([stub_file], optimize=optimize,
+                         force=True, dry_run=self.dry_run)
+        if os.path.exists(stub_file) and not self.dry_run:
+            os.unlink(stub_file)
+
+
+if use_stubs or os.name == 'nt':
+    # Build shared libraries
+    #
+    def link_shared_object(
+            self, objects, output_libname, output_dir=None, libraries=None,
+            library_dirs=None, runtime_library_dirs=None, export_symbols=None,
+            debug=0, extra_preargs=None, extra_postargs=None, build_temp=None,
+            target_lang=None):
+        self.link(
+            self.SHARED_LIBRARY, objects, output_libname,
+            output_dir, libraries, library_dirs, runtime_library_dirs,
+            export_symbols, debug, extra_preargs, extra_postargs,
+            build_temp, target_lang
+        )
+else:
+    # Build static libraries everywhere else
+    libtype = 'static'
+
+    def link_shared_object(
+            self, objects, output_libname, output_dir=None, libraries=None,
+            library_dirs=None, runtime_library_dirs=None, export_symbols=None,
+            debug=0, extra_preargs=None, extra_postargs=None, build_temp=None,
+            target_lang=None):
+        # XXX we need to either disallow these attrs on Library instances,
+        # or warn/abort here if set, or something...
+        # libraries=None, library_dirs=None, runtime_library_dirs=None,
+        # export_symbols=None, extra_preargs=None, extra_postargs=None,
+        # build_temp=None
+
+        assert output_dir is None  # distutils build_ext doesn't pass this
+        output_dir, filename = os.path.split(output_libname)
+        basename, ext = os.path.splitext(filename)
+        if self.library_filename("x").startswith('lib'):
+            # strip 'lib' prefix; this is kludgy if some platform uses
+            # a different prefix
+            basename = basename[3:]
+
+        self.create_static_lib(
+            objects, basename, output_dir, debug, target_lang
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_py.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_py.py
new file mode 100644
index 00000000..ec062742
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/build_py.py
@@ -0,0 +1,368 @@
+from functools import partial
+from glob import glob
+from distutils.util import convert_path
+import distutils.command.build_py as orig
+import os
+import fnmatch
+import textwrap
+import io
+import distutils.errors
+import itertools
+import stat
+import warnings
+from pathlib import Path
+from typing import Dict, Iterable, Iterator, List, Optional, Tuple
+
+from setuptools._deprecation_warning import SetuptoolsDeprecationWarning
+from setuptools.extern.more_itertools import unique_everseen
+
+
+def make_writable(target):
+    os.chmod(target, os.stat(target).st_mode | stat.S_IWRITE)
+
+
+class build_py(orig.build_py):
+    """Enhanced 'build_py' command that includes data files with packages
+
+    The data files are specified via a 'package_data' argument to 'setup()'.
+    See 'setuptools.dist.Distribution' for more details.
+
+    Also, this version of the 'build_py' command allows you to specify both
+    'py_modules' and 'packages' in the same setup operation.
+    """
+    editable_mode: bool = False
+    existing_egg_info_dir: Optional[str] = None  #: Private API, internal use only.
+
+    def finalize_options(self):
+        orig.build_py.finalize_options(self)
+        self.package_data = self.distribution.package_data
+        self.exclude_package_data = self.distribution.exclude_package_data or {}
+        if 'data_files' in self.__dict__:
+            del self.__dict__['data_files']
+        self.__updated_files = []
+
+    def copy_file(self, infile, outfile, preserve_mode=1, preserve_times=1,
+                  link=None, level=1):
+        # Overwrite base class to allow using links
+        if link:
+            infile = str(Path(infile).resolve())
+            outfile = str(Path(outfile).resolve())
+        return super().copy_file(infile, outfile, preserve_mode, preserve_times,
+                                 link, level)
+
+    def run(self):
+        """Build modules, packages, and copy data files to build directory"""
+        if not (self.py_modules or self.packages) or self.editable_mode:
+            return
+
+        if self.py_modules:
+            self.build_modules()
+
+        if self.packages:
+            self.build_packages()
+            self.build_package_data()
+
+        # Only compile actual .py files, using our base class' idea of what our
+        # output files are.
+        self.byte_compile(orig.build_py.get_outputs(self, include_bytecode=0))
+
+    def __getattr__(self, attr):
+        "lazily compute data files"
+        if attr == 'data_files':
+            self.data_files = self._get_data_files()
+            return self.data_files
+        return orig.build_py.__getattr__(self, attr)
+
+    def build_module(self, module, module_file, package):
+        outfile, copied = orig.build_py.build_module(self, module, module_file, package)
+        if copied:
+            self.__updated_files.append(outfile)
+        return outfile, copied
+
+    def _get_data_files(self):
+        """Generate list of '(package,src_dir,build_dir,filenames)' tuples"""
+        self.analyze_manifest()
+        return list(map(self._get_pkg_data_files, self.packages or ()))
+
+    def get_data_files_without_manifest(self):
+        """
+        Generate list of ``(package,src_dir,build_dir,filenames)`` tuples,
+        but without triggering any attempt to analyze or build the manifest.
+        """
+        # Prevent eventual errors from unset `manifest_files`
+        # (that would otherwise be set by `analyze_manifest`)
+        self.__dict__.setdefault('manifest_files', {})
+        return list(map(self._get_pkg_data_files, self.packages or ()))
+
+    def _get_pkg_data_files(self, package):
+        # Locate package source directory
+        src_dir = self.get_package_dir(package)
+
+        # Compute package build directory
+        build_dir = os.path.join(*([self.build_lib] + package.split('.')))
+
+        # Strip directory from globbed filenames
+        filenames = [
+            os.path.relpath(file, src_dir)
+            for file in self.find_data_files(package, src_dir)
+        ]
+        return package, src_dir, build_dir, filenames
+
+    def find_data_files(self, package, src_dir):
+        """Return filenames for package's data files in 'src_dir'"""
+        patterns = self._get_platform_patterns(
+            self.package_data,
+            package,
+            src_dir,
+        )
+        globs_expanded = map(partial(glob, recursive=True), patterns)
+        # flatten the expanded globs into an iterable of matches
+        globs_matches = itertools.chain.from_iterable(globs_expanded)
+        glob_files = filter(os.path.isfile, globs_matches)
+        files = itertools.chain(
+            self.manifest_files.get(package, []),
+            glob_files,
+        )
+        return self.exclude_data_files(package, src_dir, files)
+
+    def get_outputs(self, include_bytecode=1) -> List[str]:
+        """See :class:`setuptools.commands.build.SubCommand`"""
+        if self.editable_mode:
+            return list(self.get_output_mapping().keys())
+        return super().get_outputs(include_bytecode)
+
+    def get_output_mapping(self) -> Dict[str, str]:
+        """See :class:`setuptools.commands.build.SubCommand`"""
+        mapping = itertools.chain(
+            self._get_package_data_output_mapping(),
+            self._get_module_mapping(),
+        )
+        return dict(sorted(mapping, key=lambda x: x[0]))
+
+    def _get_module_mapping(self) -> Iterator[Tuple[str, str]]:
+        """Iterate over all modules producing (dest, src) pairs."""
+        for (package, module, module_file) in self.find_all_modules():
+            package = package.split('.')
+            filename = self.get_module_outfile(self.build_lib, package, module)
+            yield (filename, module_file)
+
+    def _get_package_data_output_mapping(self) -> Iterator[Tuple[str, str]]:
+        """Iterate over package data producing (dest, src) pairs."""
+        for package, src_dir, build_dir, filenames in self.data_files:
+            for filename in filenames:
+                target = os.path.join(build_dir, filename)
+                srcfile = os.path.join(src_dir, filename)
+                yield (target, srcfile)
+
+    def build_package_data(self):
+        """Copy data files into build directory"""
+        for target, srcfile in self._get_package_data_output_mapping():
+            self.mkpath(os.path.dirname(target))
+            _outf, _copied = self.copy_file(srcfile, target)
+            make_writable(target)
+
+    def analyze_manifest(self):
+        self.manifest_files = mf = {}
+        if not self.distribution.include_package_data:
+            return
+        src_dirs = {}
+        for package in self.packages or ():
+            # Locate package source directory
+            src_dirs[assert_relative(self.get_package_dir(package))] = package
+
+        if (
+            getattr(self, 'existing_egg_info_dir', None)
+            and Path(self.existing_egg_info_dir, "SOURCES.txt").exists()
+        ):
+            egg_info_dir = self.existing_egg_info_dir
+            manifest = Path(egg_info_dir, "SOURCES.txt")
+            files = manifest.read_text(encoding="utf-8").splitlines()
+        else:
+            self.run_command('egg_info')
+            ei_cmd = self.get_finalized_command('egg_info')
+            egg_info_dir = ei_cmd.egg_info
+            files = ei_cmd.filelist.files
+
+        check = _IncludePackageDataAbuse()
+        for path in self._filter_build_files(files, egg_info_dir):
+            d, f = os.path.split(assert_relative(path))
+            prev = None
+            oldf = f
+            while d and d != prev and d not in src_dirs:
+                prev = d
+                d, df = os.path.split(d)
+                f = os.path.join(df, f)
+            if d in src_dirs:
+                if f == oldf:
+                    if check.is_module(f):
+                        continue  # it's a module, not data
+                else:
+                    importable = check.importable_subpackage(src_dirs[d], f)
+                    if importable:
+                        check.warn(importable)
+                mf.setdefault(src_dirs[d], []).append(path)
+
+    def _filter_build_files(self, files: Iterable[str], egg_info: str) -> Iterator[str]:
+        """
+        ``build_meta`` may try to create egg_info outside of the project directory,
+        and this can be problematic for certain plugins (reported in issue #3500).
+
+        Extensions might also include between their sources files created on the
+        ``build_lib`` and ``build_temp`` directories.
+
+        This function should filter this case of invalid files out.
+        """
+        build = self.get_finalized_command("build")
+        build_dirs = (egg_info, self.build_lib, build.build_temp, build.build_base)
+        norm_dirs = [os.path.normpath(p) for p in build_dirs if p]
+
+        for file in files:
+            norm_path = os.path.normpath(file)
+            if not os.path.isabs(file) or all(d not in norm_path for d in norm_dirs):
+                yield file
+
+    def get_data_files(self):
+        pass  # Lazily compute data files in _get_data_files() function.
+
+    def check_package(self, package, package_dir):
+        """Check namespace packages' __init__ for declare_namespace"""
+        try:
+            return self.packages_checked[package]
+        except KeyError:
+            pass
+
+        init_py = orig.build_py.check_package(self, package, package_dir)
+        self.packages_checked[package] = init_py
+
+        if not init_py or not self.distribution.namespace_packages:
+            return init_py
+
+        for pkg in self.distribution.namespace_packages:
+            if pkg == package or pkg.startswith(package + '.'):
+                break
+        else:
+            return init_py
+
+        with io.open(init_py, 'rb') as f:
+            contents = f.read()
+        if b'declare_namespace' not in contents:
+            raise distutils.errors.DistutilsError(
+                "Namespace package problem: %s is a namespace package, but "
+                "its\n__init__.py does not call declare_namespace()! Please "
+                'fix it.\n(See the setuptools manual under '
+                '"Namespace Packages" for details.)\n"' % (package,)
+            )
+        return init_py
+
+    def initialize_options(self):
+        self.packages_checked = {}
+        orig.build_py.initialize_options(self)
+        self.editable_mode = False
+        self.existing_egg_info_dir = None
+
+    def get_package_dir(self, package):
+        res = orig.build_py.get_package_dir(self, package)
+        if self.distribution.src_root is not None:
+            return os.path.join(self.distribution.src_root, res)
+        return res
+
+    def exclude_data_files(self, package, src_dir, files):
+        """Filter filenames for package's data files in 'src_dir'"""
+        files = list(files)
+        patterns = self._get_platform_patterns(
+            self.exclude_package_data,
+            package,
+            src_dir,
+        )
+        match_groups = (fnmatch.filter(files, pattern) for pattern in patterns)
+        # flatten the groups of matches into an iterable of matches
+        matches = itertools.chain.from_iterable(match_groups)
+        bad = set(matches)
+        keepers = (fn for fn in files if fn not in bad)
+        # ditch dupes
+        return list(unique_everseen(keepers))
+
+    @staticmethod
+    def _get_platform_patterns(spec, package, src_dir):
+        """
+        yield platform-specific path patterns (suitable for glob
+        or fn_match) from a glob-based spec (such as
+        self.package_data or self.exclude_package_data)
+        matching package in src_dir.
+        """
+        raw_patterns = itertools.chain(
+            spec.get('', []),
+            spec.get(package, []),
+        )
+        return (
+            # Each pattern has to be converted to a platform-specific path
+            os.path.join(src_dir, convert_path(pattern))
+            for pattern in raw_patterns
+        )
+
+
+def assert_relative(path):
+    if not os.path.isabs(path):
+        return path
+    from distutils.errors import DistutilsSetupError
+
+    msg = (
+        textwrap.dedent(
+            """
+        Error: setup script specifies an absolute path:
+
+            %s
+
+        setup() arguments must *always* be /-separated paths relative to the
+        setup.py directory, *never* absolute paths.
+        """
+        ).lstrip()
+        % path
+    )
+    raise DistutilsSetupError(msg)
+
+
+class _IncludePackageDataAbuse:
+    """Inform users that package or module is included as 'data file'"""
+
+    MESSAGE = """\
+    Installing {importable!r} as data is deprecated, please list it in `packages`.
+    !!\n\n
+    ############################
+    # Package would be ignored #
+    ############################
+    Python recognizes {importable!r} as an importable package,
+    but it is not listed in the `packages` configuration of setuptools.
+
+    {importable!r} has been automatically added to the distribution only
+    because it may contain data files, but this behavior is likely to change
+    in future versions of setuptools (and therefore is considered deprecated).
+
+    Please make sure that {importable!r} is included as a package by using
+    the `packages` configuration field or the proper discovery methods
+    (for example by using `find_namespace_packages(...)`/`find_namespace:`
+    instead of `find_packages(...)`/`find:`).
+
+    You can read more about "package discovery" and "data files" on setuptools
+    documentation page.
+    \n\n!!
+    """
+
+    def __init__(self):
+        self._already_warned = set()
+
+    def is_module(self, file):
+        return file.endswith(".py") and file[:-len(".py")].isidentifier()
+
+    def importable_subpackage(self, parent, file):
+        pkg = Path(file).parent
+        parts = list(itertools.takewhile(str.isidentifier, pkg.parts))
+        if parts:
+            return ".".join([parent, *parts])
+        return None
+
+    def warn(self, importable):
+        if importable not in self._already_warned:
+            msg = textwrap.dedent(self.MESSAGE).format(importable=importable)
+            warnings.warn(msg, SetuptoolsDeprecationWarning, stacklevel=2)
+            self._already_warned.add(importable)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/develop.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/develop.py
new file mode 100644
index 00000000..24fb0a7c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/develop.py
@@ -0,0 +1,193 @@
+from distutils.util import convert_path
+from distutils import log
+from distutils.errors import DistutilsError, DistutilsOptionError
+import os
+import glob
+import io
+
+import pkg_resources
+from setuptools.command.easy_install import easy_install
+from setuptools import namespaces
+import setuptools
+
+
+class develop(namespaces.DevelopInstaller, easy_install):
+    """Set up package for development"""
+
+    description = "install package in 'development mode'"
+
+    user_options = easy_install.user_options + [
+        ("uninstall", "u", "Uninstall this source package"),
+        ("egg-path=", None, "Set the path to be used in the .egg-link file"),
+    ]
+
+    boolean_options = easy_install.boolean_options + ['uninstall']
+
+    command_consumes_arguments = False  # override base
+
+    def run(self):
+        if self.uninstall:
+            self.multi_version = True
+            self.uninstall_link()
+            self.uninstall_namespaces()
+        else:
+            self.install_for_development()
+        self.warn_deprecated_options()
+
+    def initialize_options(self):
+        self.uninstall = None
+        self.egg_path = None
+        easy_install.initialize_options(self)
+        self.setup_path = None
+        self.always_copy_from = '.'  # always copy eggs installed in curdir
+
+    def finalize_options(self):
+        ei = self.get_finalized_command("egg_info")
+        if ei.broken_egg_info:
+            template = "Please rename %r to %r before using 'develop'"
+            args = ei.egg_info, ei.broken_egg_info
+            raise DistutilsError(template % args)
+        self.args = [ei.egg_name]
+
+        easy_install.finalize_options(self)
+        self.expand_basedirs()
+        self.expand_dirs()
+        # pick up setup-dir .egg files only: no .egg-info
+        self.package_index.scan(glob.glob('*.egg'))
+
+        egg_link_fn = ei.egg_name + '.egg-link'
+        self.egg_link = os.path.join(self.install_dir, egg_link_fn)
+        self.egg_base = ei.egg_base
+        if self.egg_path is None:
+            self.egg_path = os.path.abspath(ei.egg_base)
+
+        target = pkg_resources.normalize_path(self.egg_base)
+        egg_path = pkg_resources.normalize_path(
+            os.path.join(self.install_dir, self.egg_path)
+        )
+        if egg_path != target:
+            raise DistutilsOptionError(
+                "--egg-path must be a relative path from the install"
+                " directory to " + target
+            )
+
+        # Make a distribution for the package's source
+        self.dist = pkg_resources.Distribution(
+            target,
+            pkg_resources.PathMetadata(target, os.path.abspath(ei.egg_info)),
+            project_name=ei.egg_name,
+        )
+
+        self.setup_path = self._resolve_setup_path(
+            self.egg_base,
+            self.install_dir,
+            self.egg_path,
+        )
+
+    @staticmethod
+    def _resolve_setup_path(egg_base, install_dir, egg_path):
+        """
+        Generate a path from egg_base back to '.' where the
+        setup script resides and ensure that path points to the
+        setup path from $install_dir/$egg_path.
+        """
+        path_to_setup = egg_base.replace(os.sep, '/').rstrip('/')
+        if path_to_setup != os.curdir:
+            path_to_setup = '../' * (path_to_setup.count('/') + 1)
+        resolved = pkg_resources.normalize_path(
+            os.path.join(install_dir, egg_path, path_to_setup)
+        )
+        if resolved != pkg_resources.normalize_path(os.curdir):
+            raise DistutilsOptionError(
+                "Can't get a consistent path to setup script from"
+                " installation directory",
+                resolved,
+                pkg_resources.normalize_path(os.curdir),
+            )
+        return path_to_setup
+
+    def install_for_development(self):
+        self.run_command('egg_info')
+
+        # Build extensions in-place
+        self.reinitialize_command('build_ext', inplace=1)
+        self.run_command('build_ext')
+
+        if setuptools.bootstrap_install_from:
+            self.easy_install(setuptools.bootstrap_install_from)
+            setuptools.bootstrap_install_from = None
+
+        self.install_namespaces()
+
+        # create an .egg-link in the installation dir, pointing to our egg
+        log.info("Creating %s (link to %s)", self.egg_link, self.egg_base)
+        if not self.dry_run:
+            with open(self.egg_link, "w") as f:
+                f.write(self.egg_path + "\n" + self.setup_path)
+        # postprocess the installed distro, fixing up .pth, installing scripts,
+        # and handling requirements
+        self.process_distribution(None, self.dist, not self.no_deps)
+
+    def uninstall_link(self):
+        if os.path.exists(self.egg_link):
+            log.info("Removing %s (link to %s)", self.egg_link, self.egg_base)
+            egg_link_file = open(self.egg_link)
+            contents = [line.rstrip() for line in egg_link_file]
+            egg_link_file.close()
+            if contents not in ([self.egg_path], [self.egg_path, self.setup_path]):
+                log.warn("Link points to %s: uninstall aborted", contents)
+                return
+            if not self.dry_run:
+                os.unlink(self.egg_link)
+        if not self.dry_run:
+            self.update_pth(self.dist)  # remove any .pth link to us
+        if self.distribution.scripts:
+            # XXX should also check for entry point scripts!
+            log.warn("Note: you must uninstall or replace scripts manually!")
+
+    def install_egg_scripts(self, dist):
+        if dist is not self.dist:
+            # Installing a dependency, so fall back to normal behavior
+            return easy_install.install_egg_scripts(self, dist)
+
+        # create wrapper scripts in the script dir, pointing to dist.scripts
+
+        # new-style...
+        self.install_wrapper_scripts(dist)
+
+        # ...and old-style
+        for script_name in self.distribution.scripts or []:
+            script_path = os.path.abspath(convert_path(script_name))
+            script_name = os.path.basename(script_path)
+            with io.open(script_path) as strm:
+                script_text = strm.read()
+            self.install_script(dist, script_name, script_text, script_path)
+
+    def install_wrapper_scripts(self, dist):
+        dist = VersionlessRequirement(dist)
+        return easy_install.install_wrapper_scripts(self, dist)
+
+
+class VersionlessRequirement:
+    """
+    Adapt a pkg_resources.Distribution to simply return the project
+    name as the 'requirement' so that scripts will work across
+    multiple versions.
+
+    >>> from pkg_resources import Distribution
+    >>> dist = Distribution(project_name='foo', version='1.0')
+    >>> str(dist.as_requirement())
+    'foo==1.0'
+    >>> adapted_dist = VersionlessRequirement(dist)
+    >>> str(adapted_dist.as_requirement())
+    'foo'
+    """
+
+    def __init__(self, dist):
+        self.__dist = dist
+
+    def __getattr__(self, name):
+        return getattr(self.__dist, name)
+
+    def as_requirement(self):
+        return self.project_name
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/dist_info.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/dist_info.py
new file mode 100644
index 00000000..0685c945
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/dist_info.py
@@ -0,0 +1,142 @@
+"""
+Create a dist_info directory
+As defined in the wheel specification
+"""
+
+import os
+import re
+import shutil
+import sys
+import warnings
+from contextlib import contextmanager
+from inspect import cleandoc
+from pathlib import Path
+
+from distutils.core import Command
+from distutils import log
+from setuptools.extern import packaging
+from setuptools._deprecation_warning import SetuptoolsDeprecationWarning
+
+
+class dist_info(Command):
+
+    description = 'create a .dist-info directory'
+
+    user_options = [
+        ('egg-base=', 'e', "directory containing .egg-info directories"
+                           " (default: top of the source tree)"
+                           " DEPRECATED: use --output-dir."),
+        ('output-dir=', 'o', "directory inside of which the .dist-info will be"
+                             "created (default: top of the source tree)"),
+        ('tag-date', 'd', "Add date stamp (e.g. 20050528) to version number"),
+        ('tag-build=', 'b', "Specify explicit tag to add to version number"),
+        ('no-date', 'D', "Don't include date stamp [default]"),
+        ('keep-egg-info', None, "*TRANSITIONAL* will be removed in the future"),
+    ]
+
+    boolean_options = ['tag-date', 'keep-egg-info']
+    negative_opt = {'no-date': 'tag-date'}
+
+    def initialize_options(self):
+        self.egg_base = None
+        self.output_dir = None
+        self.name = None
+        self.dist_info_dir = None
+        self.tag_date = None
+        self.tag_build = None
+        self.keep_egg_info = False
+
+    def finalize_options(self):
+        if self.egg_base:
+            msg = "--egg-base is deprecated for dist_info command. Use --output-dir."
+            warnings.warn(msg, SetuptoolsDeprecationWarning)
+            self.output_dir = self.egg_base or self.output_dir
+
+        dist = self.distribution
+        project_dir = dist.src_root or os.curdir
+        self.output_dir = Path(self.output_dir or project_dir)
+
+        egg_info = self.reinitialize_command("egg_info")
+        egg_info.egg_base = str(self.output_dir)
+
+        if self.tag_date:
+            egg_info.tag_date = self.tag_date
+        else:
+            self.tag_date = egg_info.tag_date
+
+        if self.tag_build:
+            egg_info.tag_build = self.tag_build
+        else:
+            self.tag_build = egg_info.tag_build
+
+        egg_info.finalize_options()
+        self.egg_info = egg_info
+
+        name = _safe(dist.get_name())
+        version = _version(dist.get_version())
+        self.name = f"{name}-{version}"
+        self.dist_info_dir = os.path.join(self.output_dir, f"{self.name}.dist-info")
+
+    @contextmanager
+    def _maybe_bkp_dir(self, dir_path: str, requires_bkp: bool):
+        if requires_bkp:
+            bkp_name = f"{dir_path}.__bkp__"
+            _rm(bkp_name, ignore_errors=True)
+            _copy(dir_path, bkp_name, dirs_exist_ok=True, symlinks=True)
+            try:
+                yield
+            finally:
+                _rm(dir_path, ignore_errors=True)
+                shutil.move(bkp_name, dir_path)
+        else:
+            yield
+
+    def run(self):
+        self.output_dir.mkdir(parents=True, exist_ok=True)
+        self.egg_info.run()
+        egg_info_dir = self.egg_info.egg_info
+        assert os.path.isdir(egg_info_dir), ".egg-info dir should have been created"
+
+        log.info("creating '{}'".format(os.path.abspath(self.dist_info_dir)))
+        bdist_wheel = self.get_finalized_command('bdist_wheel')
+
+        # TODO: if bdist_wheel if merged into setuptools, just add "keep_egg_info" there
+        with self._maybe_bkp_dir(egg_info_dir, self.keep_egg_info):
+            bdist_wheel.egg2dist(egg_info_dir, self.dist_info_dir)
+
+
+def _safe(component: str) -> str:
+    """Escape a component used to form a wheel name according to PEP 491"""
+    return re.sub(r"[^\w\d.]+", "_", component)
+
+
+def _version(version: str) -> str:
+    """Convert an arbitrary string to a version string."""
+    v = version.replace(' ', '.')
+    try:
+        return str(packaging.version.Version(v)).replace("-", "_")
+    except packaging.version.InvalidVersion:
+        msg = f"""Invalid version: {version!r}.
+        !!\n\n
+        ###################
+        # Invalid version #
+        ###################
+        {version!r} is not valid according to PEP 440.\n
+        Please make sure specify a valid version for your package.
+        Also note that future releases of setuptools may halt the build process
+        if an invalid version is given.
+        \n\n!!
+        """
+        warnings.warn(cleandoc(msg))
+        return _safe(v).strip("_")
+
+
+def _rm(dir_name, **opts):
+    if os.path.isdir(dir_name):
+        shutil.rmtree(dir_name, **opts)
+
+
+def _copy(src, dst, **opts):
+    if sys.version_info < (3, 8):
+        opts.pop("dirs_exist_ok", None)
+    shutil.copytree(src, dst, **opts)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/easy_install.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/easy_install.py
new file mode 100644
index 00000000..444d3b33
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/easy_install.py
@@ -0,0 +1,2312 @@
+"""
+Easy Install
+------------
+
+A tool for doing automatic download/extract/build of distutils-based Python
+packages.  For detailed documentation, see the accompanying EasyInstall.txt
+file, or visit the `EasyInstall home page`__.
+
+__ https://setuptools.pypa.io/en/latest/deprecated/easy_install.html
+
+"""
+
+from glob import glob
+from distutils.util import get_platform
+from distutils.util import convert_path, subst_vars
+from distutils.errors import (
+    DistutilsArgError, DistutilsOptionError,
+    DistutilsError, DistutilsPlatformError,
+)
+from distutils import log, dir_util
+from distutils.command.build_scripts import first_line_re
+from distutils.spawn import find_executable
+from distutils.command import install
+import sys
+import os
+import zipimport
+import shutil
+import tempfile
+import zipfile
+import re
+import stat
+import random
+import textwrap
+import warnings
+import site
+import struct
+import contextlib
+import subprocess
+import shlex
+import io
+import configparser
+import sysconfig
+
+
+from sysconfig import get_path
+
+from setuptools import SetuptoolsDeprecationWarning
+
+from setuptools import Command
+from setuptools.sandbox import run_setup
+from setuptools.command import setopt
+from setuptools.archive_util import unpack_archive
+from setuptools.package_index import (
+    PackageIndex, parse_requirement_arg, URL_SCHEME,
+)
+from setuptools.command import bdist_egg, egg_info
+from setuptools.wheel import Wheel
+from pkg_resources import (
+    normalize_path, resource_string,
+    get_distribution, find_distributions, Environment, Requirement,
+    Distribution, PathMetadata, EggMetadata, WorkingSet, DistributionNotFound,
+    VersionConflict, DEVELOP_DIST,
+)
+import pkg_resources
+from .._path import ensure_directory
+from ..extern.jaraco.text import yield_lines
+
+
+# Turn on PEP440Warnings
+warnings.filterwarnings("default", category=pkg_resources.PEP440Warning)
+
+__all__ = [
+    'easy_install', 'PthDistributions', 'extract_wininst_cfg',
+    'get_exe_prefixes',
+]
+
+
+def is_64bit():
+    return struct.calcsize("P") == 8
+
+
+def _to_bytes(s):
+    return s.encode('utf8')
+
+
+def isascii(s):
+    try:
+        s.encode('ascii')
+        return True
+    except UnicodeError:
+        return False
+
+
+def _one_liner(text):
+    return textwrap.dedent(text).strip().replace('\n', '; ')
+
+
+class easy_install(Command):
+    """Manage a download/build/install process"""
+    description = "Find/get/install Python packages"
+    command_consumes_arguments = True
+
+    user_options = [
+        ('prefix=', None, "installation prefix"),
+        ("zip-ok", "z", "install package as a zipfile"),
+        ("multi-version", "m", "make apps have to require() a version"),
+        ("upgrade", "U", "force upgrade (searches PyPI for latest versions)"),
+        ("install-dir=", "d", "install package to DIR"),
+        ("script-dir=", "s", "install scripts to DIR"),
+        ("exclude-scripts", "x", "Don't install scripts"),
+        ("always-copy", "a", "Copy all needed packages to install dir"),
+        ("index-url=", "i", "base URL of Python Package Index"),
+        ("find-links=", "f", "additional URL(s) to search for packages"),
+        ("build-directory=", "b",
+         "download/extract/build in DIR; keep the results"),
+        ('optimize=', 'O',
+         "also compile with optimization: -O1 for \"python -O\", "
+         "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
+        ('record=', None,
+         "filename in which to record list of installed files"),
+        ('always-unzip', 'Z', "don't install as a zipfile, no matter what"),
+        ('site-dirs=', 'S', "list of directories where .pth files work"),
+        ('editable', 'e', "Install specified packages in editable form"),
+        ('no-deps', 'N', "don't install dependencies"),
+        ('allow-hosts=', 'H', "pattern(s) that hostnames must match"),
+        ('local-snapshots-ok', 'l',
+         "allow building eggs from local checkouts"),
+        ('version', None, "print version information and exit"),
+        ('no-find-links', None,
+         "Don't load find-links defined in packages being installed"),
+        ('user', None, "install in user site-package '%s'" % site.USER_SITE)
+    ]
+    boolean_options = [
+        'zip-ok', 'multi-version', 'exclude-scripts', 'upgrade', 'always-copy',
+        'editable',
+        'no-deps', 'local-snapshots-ok', 'version',
+        'user'
+    ]
+
+    negative_opt = {'always-unzip': 'zip-ok'}
+    create_index = PackageIndex
+
+    def initialize_options(self):
+        warnings.warn(
+            "easy_install command is deprecated. "
+            "Use build and pip and other standards-based tools.",
+            EasyInstallDeprecationWarning,
+        )
+
+        # the --user option seems to be an opt-in one,
+        # so the default should be False.
+        self.user = 0
+        self.zip_ok = self.local_snapshots_ok = None
+        self.install_dir = self.script_dir = self.exclude_scripts = None
+        self.index_url = None
+        self.find_links = None
+        self.build_directory = None
+        self.args = None
+        self.optimize = self.record = None
+        self.upgrade = self.always_copy = self.multi_version = None
+        self.editable = self.no_deps = self.allow_hosts = None
+        self.root = self.prefix = self.no_report = None
+        self.version = None
+        self.install_purelib = None  # for pure module distributions
+        self.install_platlib = None  # non-pure (dists w/ extensions)
+        self.install_headers = None  # for C/C++ headers
+        self.install_lib = None  # set to either purelib or platlib
+        self.install_scripts = None
+        self.install_data = None
+        self.install_base = None
+        self.install_platbase = None
+        self.install_userbase = site.USER_BASE
+        self.install_usersite = site.USER_SITE
+        self.no_find_links = None
+
+        # Options not specifiable via command line
+        self.package_index = None
+        self.pth_file = self.always_copy_from = None
+        self.site_dirs = None
+        self.installed_projects = {}
+        # Always read easy_install options, even if we are subclassed, or have
+        # an independent instance created.  This ensures that defaults will
+        # always come from the standard configuration file(s)' "easy_install"
+        # section, even if this is a "develop" or "install" command, or some
+        # other embedding.
+        self._dry_run = None
+        self.verbose = self.distribution.verbose
+        self.distribution._set_command_options(
+            self, self.distribution.get_option_dict('easy_install')
+        )
+
+    def delete_blockers(self, blockers):
+        extant_blockers = (
+            filename for filename in blockers
+            if os.path.exists(filename) or os.path.islink(filename)
+        )
+        list(map(self._delete_path, extant_blockers))
+
+    def _delete_path(self, path):
+        log.info("Deleting %s", path)
+        if self.dry_run:
+            return
+
+        is_tree = os.path.isdir(path) and not os.path.islink(path)
+        remover = rmtree if is_tree else os.unlink
+        remover(path)
+
+    @staticmethod
+    def _render_version():
+        """
+        Render the Setuptools version and installation details, then exit.
+        """
+        ver = '{}.{}'.format(*sys.version_info)
+        dist = get_distribution('setuptools')
+        tmpl = 'setuptools {dist.version} from {dist.location} (Python {ver})'
+        print(tmpl.format(**locals()))
+        raise SystemExit()
+
+    def finalize_options(self):  # noqa: C901  # is too complex (25)  # FIXME
+        self.version and self._render_version()
+
+        py_version = sys.version.split()[0]
+
+        self.config_vars = dict(sysconfig.get_config_vars())
+
+        self.config_vars.update({
+            'dist_name': self.distribution.get_name(),
+            'dist_version': self.distribution.get_version(),
+            'dist_fullname': self.distribution.get_fullname(),
+            'py_version': py_version,
+            'py_version_short': f'{sys.version_info.major}.{sys.version_info.minor}',
+            'py_version_nodot': f'{sys.version_info.major}{sys.version_info.minor}',
+            'sys_prefix': self.config_vars['prefix'],
+            'sys_exec_prefix': self.config_vars['exec_prefix'],
+            # Only python 3.2+ has abiflags
+            'abiflags': getattr(sys, 'abiflags', ''),
+            'platlibdir': getattr(sys, 'platlibdir', 'lib'),
+        })
+        with contextlib.suppress(AttributeError):
+            # only for distutils outside stdlib
+            self.config_vars.update({
+                'implementation_lower': install._get_implementation().lower(),
+                'implementation': install._get_implementation(),
+            })
+
+        # pypa/distutils#113 Python 3.9 compat
+        self.config_vars.setdefault(
+            'py_version_nodot_plat',
+            getattr(sys, 'windir', '').replace('.', ''),
+        )
+
+        self.config_vars['userbase'] = self.install_userbase
+        self.config_vars['usersite'] = self.install_usersite
+        if self.user and not site.ENABLE_USER_SITE:
+            log.warn("WARNING: The user site-packages directory is disabled.")
+
+        self._fix_install_dir_for_user_site()
+
+        self.expand_basedirs()
+        self.expand_dirs()
+
+        self._expand(
+            'install_dir', 'script_dir', 'build_directory',
+            'site_dirs',
+        )
+        # If a non-default installation directory was specified, default the
+        # script directory to match it.
+        if self.script_dir is None:
+            self.script_dir = self.install_dir
+
+        if self.no_find_links is None:
+            self.no_find_links = False
+
+        # Let install_dir get set by install_lib command, which in turn
+        # gets its info from the install command, and takes into account
+        # --prefix and --home and all that other crud.
+        self.set_undefined_options(
+            'install_lib', ('install_dir', 'install_dir')
+        )
+        # Likewise, set default script_dir from 'install_scripts.install_dir'
+        self.set_undefined_options(
+            'install_scripts', ('install_dir', 'script_dir')
+        )
+
+        if self.user and self.install_purelib:
+            self.install_dir = self.install_purelib
+            self.script_dir = self.install_scripts
+        # default --record from the install command
+        self.set_undefined_options('install', ('record', 'record'))
+        self.all_site_dirs = get_site_dirs()
+        self.all_site_dirs.extend(self._process_site_dirs(self.site_dirs))
+
+        if not self.editable:
+            self.check_site_dir()
+        default_index = os.getenv("__EASYINSTALL_INDEX", "https://pypi.org/simple/")
+        # ^ Private API for testing purposes only
+        self.index_url = self.index_url or default_index
+        self.shadow_path = self.all_site_dirs[:]
+        for path_item in self.install_dir, normalize_path(self.script_dir):
+            if path_item not in self.shadow_path:
+                self.shadow_path.insert(0, path_item)
+
+        if self.allow_hosts is not None:
+            hosts = [s.strip() for s in self.allow_hosts.split(',')]
+        else:
+            hosts = ['*']
+        if self.package_index is None:
+            self.package_index = self.create_index(
+                self.index_url, search_path=self.shadow_path, hosts=hosts,
+            )
+        self.local_index = Environment(self.shadow_path + sys.path)
+
+        if self.find_links is not None:
+            if isinstance(self.find_links, str):
+                self.find_links = self.find_links.split()
+        else:
+            self.find_links = []
+        if self.local_snapshots_ok:
+            self.package_index.scan_egg_links(self.shadow_path + sys.path)
+        if not self.no_find_links:
+            self.package_index.add_find_links(self.find_links)
+        self.set_undefined_options('install_lib', ('optimize', 'optimize'))
+        self.optimize = self._validate_optimize(self.optimize)
+
+        if self.editable and not self.build_directory:
+            raise DistutilsArgError(
+                "Must specify a build directory (-b) when using --editable"
+            )
+        if not self.args:
+            raise DistutilsArgError(
+                "No urls, filenames, or requirements specified (see --help)")
+
+        self.outputs = []
+
+    @staticmethod
+    def _process_site_dirs(site_dirs):
+        if site_dirs is None:
+            return
+
+        normpath = map(normalize_path, sys.path)
+        site_dirs = [
+            os.path.expanduser(s.strip()) for s in
+            site_dirs.split(',')
+        ]
+        for d in site_dirs:
+            if not os.path.isdir(d):
+                log.warn("%s (in --site-dirs) does not exist", d)
+            elif normalize_path(d) not in normpath:
+                raise DistutilsOptionError(
+                    d + " (in --site-dirs) is not on sys.path"
+                )
+            else:
+                yield normalize_path(d)
+
+    @staticmethod
+    def _validate_optimize(value):
+        try:
+            value = int(value)
+            if value not in range(3):
+                raise ValueError
+        except ValueError as e:
+            raise DistutilsOptionError(
+                "--optimize must be 0, 1, or 2"
+            ) from e
+
+        return value
+
+    def _fix_install_dir_for_user_site(self):
+        """
+        Fix the install_dir if "--user" was used.
+        """
+        if not self.user:
+            return
+
+        self.create_home_path()
+        if self.install_userbase is None:
+            msg = "User base directory is not specified"
+            raise DistutilsPlatformError(msg)
+        self.install_base = self.install_platbase = self.install_userbase
+        scheme_name = f'{os.name}_user'
+        self.select_scheme(scheme_name)
+
+    def _expand_attrs(self, attrs):
+        for attr in attrs:
+            val = getattr(self, attr)
+            if val is not None:
+                if os.name == 'posix' or os.name == 'nt':
+                    val = os.path.expanduser(val)
+                val = subst_vars(val, self.config_vars)
+                setattr(self, attr, val)
+
+    def expand_basedirs(self):
+        """Calls `os.path.expanduser` on install_base, install_platbase and
+        root."""
+        self._expand_attrs(['install_base', 'install_platbase', 'root'])
+
+    def expand_dirs(self):
+        """Calls `os.path.expanduser` on install dirs."""
+        dirs = [
+            'install_purelib',
+            'install_platlib',
+            'install_lib',
+            'install_headers',
+            'install_scripts',
+            'install_data',
+        ]
+        self._expand_attrs(dirs)
+
+    def run(self, show_deprecation=True):
+        if show_deprecation:
+            self.announce(
+                "WARNING: The easy_install command is deprecated "
+                "and will be removed in a future version.",
+                log.WARN,
+            )
+        if self.verbose != self.distribution.verbose:
+            log.set_verbosity(self.verbose)
+        try:
+            for spec in self.args:
+                self.easy_install(spec, not self.no_deps)
+            if self.record:
+                outputs = self.outputs
+                if self.root:  # strip any package prefix
+                    root_len = len(self.root)
+                    for counter in range(len(outputs)):
+                        outputs[counter] = outputs[counter][root_len:]
+                from distutils import file_util
+
+                self.execute(
+                    file_util.write_file, (self.record, outputs),
+                    "writing list of installed files to '%s'" %
+                    self.record
+                )
+            self.warn_deprecated_options()
+        finally:
+            log.set_verbosity(self.distribution.verbose)
+
+    def pseudo_tempname(self):
+        """Return a pseudo-tempname base in the install directory.
+        This code is intentionally naive; if a malicious party can write to
+        the target directory you're already in deep doodoo.
+        """
+        try:
+            pid = os.getpid()
+        except Exception:
+            pid = random.randint(0, sys.maxsize)
+        return os.path.join(self.install_dir, "test-easy-install-%s" % pid)
+
+    def warn_deprecated_options(self):
+        pass
+
+    def check_site_dir(self):  # noqa: C901  # is too complex (12)  # FIXME
+        """Verify that self.install_dir is .pth-capable dir, if needed"""
+
+        instdir = normalize_path(self.install_dir)
+        pth_file = os.path.join(instdir, 'easy-install.pth')
+
+        if not os.path.exists(instdir):
+            try:
+                os.makedirs(instdir)
+            except (OSError, IOError):
+                self.cant_write_to_target()
+
+        # Is it a configured, PYTHONPATH, implicit, or explicit site dir?
+        is_site_dir = instdir in self.all_site_dirs
+
+        if not is_site_dir and not self.multi_version:
+            # No?  Then directly test whether it does .pth file processing
+            is_site_dir = self.check_pth_processing()
+        else:
+            # make sure we can write to target dir
+            testfile = self.pseudo_tempname() + '.write-test'
+            test_exists = os.path.exists(testfile)
+            try:
+                if test_exists:
+                    os.unlink(testfile)
+                open(testfile, 'w').close()
+                os.unlink(testfile)
+            except (OSError, IOError):
+                self.cant_write_to_target()
+
+        if not is_site_dir and not self.multi_version:
+            # Can't install non-multi to non-site dir with easy_install
+            pythonpath = os.environ.get('PYTHONPATH', '')
+            log.warn(self.__no_default_msg, self.install_dir, pythonpath)
+
+        if is_site_dir:
+            if self.pth_file is None:
+                self.pth_file = PthDistributions(pth_file, self.all_site_dirs)
+        else:
+            self.pth_file = None
+
+        if self.multi_version and not os.path.exists(pth_file):
+            self.pth_file = None  # don't create a .pth file
+        self.install_dir = instdir
+
+    __cant_write_msg = textwrap.dedent("""
+        can't create or remove files in install directory
+
+        The following error occurred while trying to add or remove files in the
+        installation directory:
+
+            %s
+
+        The installation directory you specified (via --install-dir, --prefix, or
+        the distutils default setting) was:
+
+            %s
+        """).lstrip()  # noqa
+
+    __not_exists_id = textwrap.dedent("""
+        This directory does not currently exist.  Please create it and try again, or
+        choose a different installation directory (using the -d or --install-dir
+        option).
+        """).lstrip()  # noqa
+
+    __access_msg = textwrap.dedent("""
+        Perhaps your account does not have write access to this directory?  If the
+        installation directory is a system-owned directory, you may need to sign in
+        as the administrator or "root" account.  If you do not have administrative
+        access to this machine, you may wish to choose a different installation
+        directory, preferably one that is listed in your PYTHONPATH environment
+        variable.
+
+        For information on other options, you may wish to consult the
+        documentation at:
+
+          https://setuptools.pypa.io/en/latest/deprecated/easy_install.html
+
+        Please make the appropriate changes for your system and try again.
+        """).lstrip()  # noqa
+
+    def cant_write_to_target(self):
+        msg = self.__cant_write_msg % (sys.exc_info()[1], self.install_dir,)
+
+        if not os.path.exists(self.install_dir):
+            msg += '\n' + self.__not_exists_id
+        else:
+            msg += '\n' + self.__access_msg
+        raise DistutilsError(msg)
+
+    def check_pth_processing(self):
+        """Empirically verify whether .pth files are supported in inst. dir"""
+        instdir = self.install_dir
+        log.info("Checking .pth file support in %s", instdir)
+        pth_file = self.pseudo_tempname() + ".pth"
+        ok_file = pth_file + '.ok'
+        ok_exists = os.path.exists(ok_file)
+        tmpl = _one_liner("""
+            import os
+            f = open({ok_file!r}, 'w')
+            f.write('OK')
+            f.close()
+            """) + '\n'
+        try:
+            if ok_exists:
+                os.unlink(ok_file)
+            dirname = os.path.dirname(ok_file)
+            os.makedirs(dirname, exist_ok=True)
+            f = open(pth_file, 'w')
+        except (OSError, IOError):
+            self.cant_write_to_target()
+        else:
+            try:
+                f.write(tmpl.format(**locals()))
+                f.close()
+                f = None
+                executable = sys.executable
+                if os.name == 'nt':
+                    dirname, basename = os.path.split(executable)
+                    alt = os.path.join(dirname, 'pythonw.exe')
+                    use_alt = (
+                        basename.lower() == 'python.exe' and
+                        os.path.exists(alt)
+                    )
+                    if use_alt:
+                        # use pythonw.exe to avoid opening a console window
+                        executable = alt
+
+                from distutils.spawn import spawn
+
+                spawn([executable, '-E', '-c', 'pass'], 0)
+
+                if os.path.exists(ok_file):
+                    log.info(
+                        "TEST PASSED: %s appears to support .pth files",
+                        instdir
+                    )
+                    return True
+            finally:
+                if f:
+                    f.close()
+                if os.path.exists(ok_file):
+                    os.unlink(ok_file)
+                if os.path.exists(pth_file):
+                    os.unlink(pth_file)
+        if not self.multi_version:
+            log.warn("TEST FAILED: %s does NOT support .pth files", instdir)
+        return False
+
+    def install_egg_scripts(self, dist):
+        """Write all the scripts for `dist`, unless scripts are excluded"""
+        if not self.exclude_scripts and dist.metadata_isdir('scripts'):
+            for script_name in dist.metadata_listdir('scripts'):
+                if dist.metadata_isdir('scripts/' + script_name):
+                    # The "script" is a directory, likely a Python 3
+                    # __pycache__ directory, so skip it.
+                    continue
+                self.install_script(
+                    dist, script_name,
+                    dist.get_metadata('scripts/' + script_name)
+                )
+        self.install_wrapper_scripts(dist)
+
+    def add_output(self, path):
+        if os.path.isdir(path):
+            for base, dirs, files in os.walk(path):
+                for filename in files:
+                    self.outputs.append(os.path.join(base, filename))
+        else:
+            self.outputs.append(path)
+
+    def not_editable(self, spec):
+        if self.editable:
+            raise DistutilsArgError(
+                "Invalid argument %r: you can't use filenames or URLs "
+                "with --editable (except via the --find-links option)."
+                % (spec,)
+            )
+
+    def check_editable(self, spec):
+        if not self.editable:
+            return
+
+        if os.path.exists(os.path.join(self.build_directory, spec.key)):
+            raise DistutilsArgError(
+                "%r already exists in %s; can't do a checkout there" %
+                (spec.key, self.build_directory)
+            )
+
+    @contextlib.contextmanager
+    def _tmpdir(self):
+        tmpdir = tempfile.mkdtemp(prefix=u"easy_install-")
+        try:
+            # cast to str as workaround for #709 and #710 and #712
+            yield str(tmpdir)
+        finally:
+            os.path.exists(tmpdir) and rmtree(tmpdir)
+
+    def easy_install(self, spec, deps=False):
+        with self._tmpdir() as tmpdir:
+            if not isinstance(spec, Requirement):
+                if URL_SCHEME(spec):
+                    # It's a url, download it to tmpdir and process
+                    self.not_editable(spec)
+                    dl = self.package_index.download(spec, tmpdir)
+                    return self.install_item(None, dl, tmpdir, deps, True)
+
+                elif os.path.exists(spec):
+                    # Existing file or directory, just process it directly
+                    self.not_editable(spec)
+                    return self.install_item(None, spec, tmpdir, deps, True)
+                else:
+                    spec = parse_requirement_arg(spec)
+
+            self.check_editable(spec)
+            dist = self.package_index.fetch_distribution(
+                spec, tmpdir, self.upgrade, self.editable,
+                not self.always_copy, self.local_index
+            )
+            if dist is None:
+                msg = "Could not find suitable distribution for %r" % spec
+                if self.always_copy:
+                    msg += " (--always-copy skips system and development eggs)"
+                raise DistutilsError(msg)
+            elif dist.precedence == DEVELOP_DIST:
+                # .egg-info dists don't need installing, just process deps
+                self.process_distribution(spec, dist, deps, "Using")
+                return dist
+            else:
+                return self.install_item(spec, dist.location, tmpdir, deps)
+
+    def install_item(self, spec, download, tmpdir, deps, install_needed=False):
+
+        # Installation is also needed if file in tmpdir or is not an egg
+        install_needed = install_needed or self.always_copy
+        install_needed = install_needed or os.path.dirname(download) == tmpdir
+        install_needed = install_needed or not download.endswith('.egg')
+        install_needed = install_needed or (
+            self.always_copy_from is not None and
+            os.path.dirname(normalize_path(download)) ==
+            normalize_path(self.always_copy_from)
+        )
+
+        if spec and not install_needed:
+            # at this point, we know it's a local .egg, we just don't know if
+            # it's already installed.
+            for dist in self.local_index[spec.project_name]:
+                if dist.location == download:
+                    break
+            else:
+                install_needed = True  # it's not in the local index
+
+        log.info("Processing %s", os.path.basename(download))
+
+        if install_needed:
+            dists = self.install_eggs(spec, download, tmpdir)
+            for dist in dists:
+                self.process_distribution(spec, dist, deps)
+        else:
+            dists = [self.egg_distribution(download)]
+            self.process_distribution(spec, dists[0], deps, "Using")
+
+        if spec is not None:
+            for dist in dists:
+                if dist in spec:
+                    return dist
+
+    def select_scheme(self, name):
+        try:
+            install._select_scheme(self, name)
+        except AttributeError:
+            # stdlib distutils
+            install.install.select_scheme(self, name.replace('posix', 'unix'))
+
+    # FIXME: 'easy_install.process_distribution' is too complex (12)
+    def process_distribution(  # noqa: C901
+            self, requirement, dist, deps=True, *info,
+    ):
+        self.update_pth(dist)
+        self.package_index.add(dist)
+        if dist in self.local_index[dist.key]:
+            self.local_index.remove(dist)
+        self.local_index.add(dist)
+        self.install_egg_scripts(dist)
+        self.installed_projects[dist.key] = dist
+        log.info(self.installation_report(requirement, dist, *info))
+        if (dist.has_metadata('dependency_links.txt') and
+                not self.no_find_links):
+            self.package_index.add_find_links(
+                dist.get_metadata_lines('dependency_links.txt')
+            )
+        if not deps and not self.always_copy:
+            return
+        elif requirement is not None and dist.key != requirement.key:
+            log.warn("Skipping dependencies for %s", dist)
+            return  # XXX this is not the distribution we were looking for
+        elif requirement is None or dist not in requirement:
+            # if we wound up with a different version, resolve what we've got
+            distreq = dist.as_requirement()
+            requirement = Requirement(str(distreq))
+        log.info("Processing dependencies for %s", requirement)
+        try:
+            distros = WorkingSet([]).resolve(
+                [requirement], self.local_index, self.easy_install
+            )
+        except DistributionNotFound as e:
+            raise DistutilsError(str(e)) from e
+        except VersionConflict as e:
+            raise DistutilsError(e.report()) from e
+        if self.always_copy or self.always_copy_from:
+            # Force all the relevant distros to be copied or activated
+            for dist in distros:
+                if dist.key not in self.installed_projects:
+                    self.easy_install(dist.as_requirement())
+        log.info("Finished processing dependencies for %s", requirement)
+
+    def should_unzip(self, dist):
+        if self.zip_ok is not None:
+            return not self.zip_ok
+        if dist.has_metadata('not-zip-safe'):
+            return True
+        if not dist.has_metadata('zip-safe'):
+            return True
+        return False
+
+    def maybe_move(self, spec, dist_filename, setup_base):
+        dst = os.path.join(self.build_directory, spec.key)
+        if os.path.exists(dst):
+            msg = (
+                "%r already exists in %s; build directory %s will not be kept"
+            )
+            log.warn(msg, spec.key, self.build_directory, setup_base)
+            return setup_base
+        if os.path.isdir(dist_filename):
+            setup_base = dist_filename
+        else:
+            if os.path.dirname(dist_filename) == setup_base:
+                os.unlink(dist_filename)  # get it out of the tmp dir
+            contents = os.listdir(setup_base)
+            if len(contents) == 1:
+                dist_filename = os.path.join(setup_base, contents[0])
+                if os.path.isdir(dist_filename):
+                    # if the only thing there is a directory, move it instead
+                    setup_base = dist_filename
+        ensure_directory(dst)
+        shutil.move(setup_base, dst)
+        return dst
+
+    def install_wrapper_scripts(self, dist):
+        if self.exclude_scripts:
+            return
+        for args in ScriptWriter.best().get_args(dist):
+            self.write_script(*args)
+
+    def install_script(self, dist, script_name, script_text, dev_path=None):
+        """Generate a legacy script wrapper and install it"""
+        spec = str(dist.as_requirement())
+        is_script = is_python_script(script_text, script_name)
+
+        if is_script:
+            body = self._load_template(dev_path) % locals()
+            script_text = ScriptWriter.get_header(script_text) + body
+        self.write_script(script_name, _to_bytes(script_text), 'b')
+
+    @staticmethod
+    def _load_template(dev_path):
+        """
+        There are a couple of template scripts in the package. This
+        function loads one of them and prepares it for use.
+        """
+        # See https://github.com/pypa/setuptools/issues/134 for info
+        # on script file naming and downstream issues with SVR4
+        name = 'script.tmpl'
+        if dev_path:
+            name = name.replace('.tmpl', ' (dev).tmpl')
+
+        raw_bytes = resource_string('setuptools', name)
+        return raw_bytes.decode('utf-8')
+
+    def write_script(self, script_name, contents, mode="t", blockers=()):
+        """Write an executable file to the scripts directory"""
+        self.delete_blockers(  # clean up old .py/.pyw w/o a script
+            [os.path.join(self.script_dir, x) for x in blockers]
+        )
+        log.info("Installing %s script to %s", script_name, self.script_dir)
+        target = os.path.join(self.script_dir, script_name)
+        self.add_output(target)
+
+        if self.dry_run:
+            return
+
+        mask = current_umask()
+        ensure_directory(target)
+        if os.path.exists(target):
+            os.unlink(target)
+        with open(target, "w" + mode) as f:
+            f.write(contents)
+        chmod(target, 0o777 - mask)
+
+    def install_eggs(self, spec, dist_filename, tmpdir):
+        # .egg dirs or files are already built, so just return them
+        installer_map = {
+            '.egg': self.install_egg,
+            '.exe': self.install_exe,
+            '.whl': self.install_wheel,
+        }
+        try:
+            install_dist = installer_map[
+                dist_filename.lower()[-4:]
+            ]
+        except KeyError:
+            pass
+        else:
+            return [install_dist(dist_filename, tmpdir)]
+
+        # Anything else, try to extract and build
+        setup_base = tmpdir
+        if os.path.isfile(dist_filename) and not dist_filename.endswith('.py'):
+            unpack_archive(dist_filename, tmpdir, self.unpack_progress)
+        elif os.path.isdir(dist_filename):
+            setup_base = os.path.abspath(dist_filename)
+
+        if (setup_base.startswith(tmpdir)  # something we downloaded
+                and self.build_directory and spec is not None):
+            setup_base = self.maybe_move(spec, dist_filename, setup_base)
+
+        # Find the setup.py file
+        setup_script = os.path.join(setup_base, 'setup.py')
+
+        if not os.path.exists(setup_script):
+            setups = glob(os.path.join(setup_base, '*', 'setup.py'))
+            if not setups:
+                raise DistutilsError(
+                    "Couldn't find a setup script in %s" %
+                    os.path.abspath(dist_filename)
+                )
+            if len(setups) > 1:
+                raise DistutilsError(
+                    "Multiple setup scripts in %s" %
+                    os.path.abspath(dist_filename)
+                )
+            setup_script = setups[0]
+
+        # Now run it, and return the result
+        if self.editable:
+            log.info(self.report_editable(spec, setup_script))
+            return []
+        else:
+            return self.build_and_install(setup_script, setup_base)
+
+    def egg_distribution(self, egg_path):
+        if os.path.isdir(egg_path):
+            metadata = PathMetadata(egg_path, os.path.join(egg_path,
+                                                           'EGG-INFO'))
+        else:
+            metadata = EggMetadata(zipimport.zipimporter(egg_path))
+        return Distribution.from_filename(egg_path, metadata=metadata)
+
+    # FIXME: 'easy_install.install_egg' is too complex (11)
+    def install_egg(self, egg_path, tmpdir):  # noqa: C901
+        destination = os.path.join(
+            self.install_dir,
+            os.path.basename(egg_path),
+        )
+        destination = os.path.abspath(destination)
+        if not self.dry_run:
+            ensure_directory(destination)
+
+        dist = self.egg_distribution(egg_path)
+        if not (
+            os.path.exists(destination) and os.path.samefile(egg_path, destination)
+        ):
+            if os.path.isdir(destination) and not os.path.islink(destination):
+                dir_util.remove_tree(destination, dry_run=self.dry_run)
+            elif os.path.exists(destination):
+                self.execute(
+                    os.unlink,
+                    (destination,),
+                    "Removing " + destination,
+                )
+            try:
+                new_dist_is_zipped = False
+                if os.path.isdir(egg_path):
+                    if egg_path.startswith(tmpdir):
+                        f, m = shutil.move, "Moving"
+                    else:
+                        f, m = shutil.copytree, "Copying"
+                elif self.should_unzip(dist):
+                    self.mkpath(destination)
+                    f, m = self.unpack_and_compile, "Extracting"
+                else:
+                    new_dist_is_zipped = True
+                    if egg_path.startswith(tmpdir):
+                        f, m = shutil.move, "Moving"
+                    else:
+                        f, m = shutil.copy2, "Copying"
+                self.execute(
+                    f,
+                    (egg_path, destination),
+                    (m + " %s to %s") % (
+                        os.path.basename(egg_path),
+                        os.path.dirname(destination)
+                    ),
+                )
+                update_dist_caches(
+                    destination,
+                    fix_zipimporter_caches=new_dist_is_zipped,
+                )
+            except Exception:
+                update_dist_caches(destination, fix_zipimporter_caches=False)
+                raise
+
+        self.add_output(destination)
+        return self.egg_distribution(destination)
+
+    def install_exe(self, dist_filename, tmpdir):
+        # See if it's valid, get data
+        cfg = extract_wininst_cfg(dist_filename)
+        if cfg is None:
+            raise DistutilsError(
+                "%s is not a valid distutils Windows .exe" % dist_filename
+            )
+        # Create a dummy distribution object until we build the real distro
+        dist = Distribution(
+            None,
+            project_name=cfg.get('metadata', 'name'),
+            version=cfg.get('metadata', 'version'), platform=get_platform(),
+        )
+
+        # Convert the .exe to an unpacked egg
+        egg_path = os.path.join(tmpdir, dist.egg_name() + '.egg')
+        dist.location = egg_path
+        egg_tmp = egg_path + '.tmp'
+        _egg_info = os.path.join(egg_tmp, 'EGG-INFO')
+        pkg_inf = os.path.join(_egg_info, 'PKG-INFO')
+        ensure_directory(pkg_inf)  # make sure EGG-INFO dir exists
+        dist._provider = PathMetadata(egg_tmp, _egg_info)  # XXX
+        self.exe_to_egg(dist_filename, egg_tmp)
+
+        # Write EGG-INFO/PKG-INFO
+        if not os.path.exists(pkg_inf):
+            f = open(pkg_inf, 'w')
+            f.write('Metadata-Version: 1.0\n')
+            for k, v in cfg.items('metadata'):
+                if k != 'target_version':
+                    f.write('%s: %s\n' % (k.replace('_', '-').title(), v))
+            f.close()
+        script_dir = os.path.join(_egg_info, 'scripts')
+        # delete entry-point scripts to avoid duping
+        self.delete_blockers([
+            os.path.join(script_dir, args[0])
+            for args in ScriptWriter.get_args(dist)
+        ])
+        # Build .egg file from tmpdir
+        bdist_egg.make_zipfile(
+            egg_path, egg_tmp, verbose=self.verbose, dry_run=self.dry_run,
+        )
+        # install the .egg
+        return self.install_egg(egg_path, tmpdir)
+
+    # FIXME: 'easy_install.exe_to_egg' is too complex (12)
+    def exe_to_egg(self, dist_filename, egg_tmp):  # noqa: C901
+        """Extract a bdist_wininst to the directories an egg would use"""
+        # Check for .pth file and set up prefix translations
+        prefixes = get_exe_prefixes(dist_filename)
+        to_compile = []
+        native_libs = []
+        top_level = {}
+
+        def process(src, dst):
+            s = src.lower()
+            for old, new in prefixes:
+                if s.startswith(old):
+                    src = new + src[len(old):]
+                    parts = src.split('/')
+                    dst = os.path.join(egg_tmp, *parts)
+                    dl = dst.lower()
+                    if dl.endswith('.pyd') or dl.endswith('.dll'):
+                        parts[-1] = bdist_egg.strip_module(parts[-1])
+                        top_level[os.path.splitext(parts[0])[0]] = 1
+                        native_libs.append(src)
+                    elif dl.endswith('.py') and old != 'SCRIPTS/':
+                        top_level[os.path.splitext(parts[0])[0]] = 1
+                        to_compile.append(dst)
+                    return dst
+            if not src.endswith('.pth'):
+                log.warn("WARNING: can't process %s", src)
+            return None
+
+        # extract, tracking .pyd/.dll->native_libs and .py -> to_compile
+        unpack_archive(dist_filename, egg_tmp, process)
+        stubs = []
+        for res in native_libs:
+            if res.lower().endswith('.pyd'):  # create stubs for .pyd's
+                parts = res.split('/')
+                resource = parts[-1]
+                parts[-1] = bdist_egg.strip_module(parts[-1]) + '.py'
+                pyfile = os.path.join(egg_tmp, *parts)
+                to_compile.append(pyfile)
+                stubs.append(pyfile)
+                bdist_egg.write_stub(resource, pyfile)
+        self.byte_compile(to_compile)  # compile .py's
+        bdist_egg.write_safety_flag(
+            os.path.join(egg_tmp, 'EGG-INFO'),
+            bdist_egg.analyze_egg(egg_tmp, stubs))  # write zip-safety flag
+
+        for name in 'top_level', 'native_libs':
+            if locals()[name]:
+                txt = os.path.join(egg_tmp, 'EGG-INFO', name + '.txt')
+                if not os.path.exists(txt):
+                    f = open(txt, 'w')
+                    f.write('\n'.join(locals()[name]) + '\n')
+                    f.close()
+
+    def install_wheel(self, wheel_path, tmpdir):
+        wheel = Wheel(wheel_path)
+        assert wheel.is_compatible()
+        destination = os.path.join(self.install_dir, wheel.egg_name())
+        destination = os.path.abspath(destination)
+        if not self.dry_run:
+            ensure_directory(destination)
+        if os.path.isdir(destination) and not os.path.islink(destination):
+            dir_util.remove_tree(destination, dry_run=self.dry_run)
+        elif os.path.exists(destination):
+            self.execute(
+                os.unlink,
+                (destination,),
+                "Removing " + destination,
+            )
+        try:
+            self.execute(
+                wheel.install_as_egg,
+                (destination,),
+                ("Installing %s to %s") % (
+                    os.path.basename(wheel_path),
+                    os.path.dirname(destination)
+                ),
+            )
+        finally:
+            update_dist_caches(destination, fix_zipimporter_caches=False)
+        self.add_output(destination)
+        return self.egg_distribution(destination)
+
+    __mv_warning = textwrap.dedent("""
+        Because this distribution was installed --multi-version, before you can
+        import modules from this package in an application, you will need to
+        'import pkg_resources' and then use a 'require()' call similar to one of
+        these examples, in order to select the desired version:
+
+            pkg_resources.require("%(name)s")  # latest installed version
+            pkg_resources.require("%(name)s==%(version)s")  # this exact version
+            pkg_resources.require("%(name)s>=%(version)s")  # this version or higher
+        """).lstrip()  # noqa
+
+    __id_warning = textwrap.dedent("""
+        Note also that the installation directory must be on sys.path at runtime for
+        this to work.  (e.g. by being the application's script directory, by being on
+        PYTHONPATH, or by being added to sys.path by your code.)
+        """)  # noqa
+
+    def installation_report(self, req, dist, what="Installed"):
+        """Helpful installation message for display to package users"""
+        msg = "\n%(what)s %(eggloc)s%(extras)s"
+        if self.multi_version and not self.no_report:
+            msg += '\n' + self.__mv_warning
+            if self.install_dir not in map(normalize_path, sys.path):
+                msg += '\n' + self.__id_warning
+
+        eggloc = dist.location
+        name = dist.project_name
+        version = dist.version
+        extras = ''  # TODO: self.report_extras(req, dist)
+        return msg % locals()
+
+    __editable_msg = textwrap.dedent("""
+        Extracted editable version of %(spec)s to %(dirname)s
+
+        If it uses setuptools in its setup script, you can activate it in
+        "development" mode by going to that directory and running::
+
+            %(python)s setup.py develop
+
+        See the setuptools documentation for the "develop" command for more info.
+        """).lstrip()  # noqa
+
+    def report_editable(self, spec, setup_script):
+        dirname = os.path.dirname(setup_script)
+        python = sys.executable
+        return '\n' + self.__editable_msg % locals()
+
+    def run_setup(self, setup_script, setup_base, args):
+        sys.modules.setdefault('distutils.command.bdist_egg', bdist_egg)
+        sys.modules.setdefault('distutils.command.egg_info', egg_info)
+
+        args = list(args)
+        if self.verbose > 2:
+            v = 'v' * (self.verbose - 1)
+            args.insert(0, '-' + v)
+        elif self.verbose < 2:
+            args.insert(0, '-q')
+        if self.dry_run:
+            args.insert(0, '-n')
+        log.info(
+            "Running %s %s", setup_script[len(setup_base) + 1:], ' '.join(args)
+        )
+        try:
+            run_setup(setup_script, args)
+        except SystemExit as v:
+            raise DistutilsError(
+                "Setup script exited with %s" % (v.args[0],)
+            ) from v
+
+    def build_and_install(self, setup_script, setup_base):
+        args = ['bdist_egg', '--dist-dir']
+
+        dist_dir = tempfile.mkdtemp(
+            prefix='egg-dist-tmp-', dir=os.path.dirname(setup_script)
+        )
+        try:
+            self._set_fetcher_options(os.path.dirname(setup_script))
+            args.append(dist_dir)
+
+            self.run_setup(setup_script, setup_base, args)
+            all_eggs = Environment([dist_dir])
+            eggs = []
+            for key in all_eggs:
+                for dist in all_eggs[key]:
+                    eggs.append(self.install_egg(dist.location, setup_base))
+            if not eggs and not self.dry_run:
+                log.warn("No eggs found in %s (setup script problem?)",
+                         dist_dir)
+            return eggs
+        finally:
+            rmtree(dist_dir)
+            log.set_verbosity(self.verbose)  # restore our log verbosity
+
+    def _set_fetcher_options(self, base):
+        """
+        When easy_install is about to run bdist_egg on a source dist, that
+        source dist might have 'setup_requires' directives, requiring
+        additional fetching. Ensure the fetcher options given to easy_install
+        are available to that command as well.
+        """
+        # find the fetch options from easy_install and write them out
+        # to the setup.cfg file.
+        ei_opts = self.distribution.get_option_dict('easy_install').copy()
+        fetch_directives = (
+            'find_links', 'site_dirs', 'index_url', 'optimize', 'allow_hosts',
+        )
+        fetch_options = {}
+        for key, val in ei_opts.items():
+            if key not in fetch_directives:
+                continue
+            fetch_options[key] = val[1]
+        # create a settings dictionary suitable for `edit_config`
+        settings = dict(easy_install=fetch_options)
+        cfg_filename = os.path.join(base, 'setup.cfg')
+        setopt.edit_config(cfg_filename, settings)
+
+    def update_pth(self, dist):  # noqa: C901  # is too complex (11)  # FIXME
+        if self.pth_file is None:
+            return
+
+        for d in self.pth_file[dist.key]:  # drop old entries
+            if not self.multi_version and d.location == dist.location:
+                continue
+
+            log.info("Removing %s from easy-install.pth file", d)
+            self.pth_file.remove(d)
+            if d.location in self.shadow_path:
+                self.shadow_path.remove(d.location)
+
+        if not self.multi_version:
+            if dist.location in self.pth_file.paths:
+                log.info(
+                    "%s is already the active version in easy-install.pth",
+                    dist,
+                )
+            else:
+                log.info("Adding %s to easy-install.pth file", dist)
+                self.pth_file.add(dist)  # add new entry
+                if dist.location not in self.shadow_path:
+                    self.shadow_path.append(dist.location)
+
+        if self.dry_run:
+            return
+
+        self.pth_file.save()
+
+        if dist.key != 'setuptools':
+            return
+
+        # Ensure that setuptools itself never becomes unavailable!
+        # XXX should this check for latest version?
+        filename = os.path.join(self.install_dir, 'setuptools.pth')
+        if os.path.islink(filename):
+            os.unlink(filename)
+        with open(filename, 'wt') as f:
+            f.write(self.pth_file.make_relative(dist.location) + '\n')
+
+    def unpack_progress(self, src, dst):
+        # Progress filter for unpacking
+        log.debug("Unpacking %s to %s", src, dst)
+        return dst  # only unpack-and-compile skips files for dry run
+
+    def unpack_and_compile(self, egg_path, destination):
+        to_compile = []
+        to_chmod = []
+
+        def pf(src, dst):
+            if dst.endswith('.py') and not src.startswith('EGG-INFO/'):
+                to_compile.append(dst)
+            elif dst.endswith('.dll') or dst.endswith('.so'):
+                to_chmod.append(dst)
+            self.unpack_progress(src, dst)
+            return not self.dry_run and dst or None
+
+        unpack_archive(egg_path, destination, pf)
+        self.byte_compile(to_compile)
+        if not self.dry_run:
+            for f in to_chmod:
+                mode = ((os.stat(f)[stat.ST_MODE]) | 0o555) & 0o7755
+                chmod(f, mode)
+
+    def byte_compile(self, to_compile):
+        if sys.dont_write_bytecode:
+            return
+
+        from distutils.util import byte_compile
+
+        try:
+            # try to make the byte compile messages quieter
+            log.set_verbosity(self.verbose - 1)
+
+            byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
+            if self.optimize:
+                byte_compile(
+                    to_compile, optimize=self.optimize, force=1,
+                    dry_run=self.dry_run,
+                )
+        finally:
+            log.set_verbosity(self.verbose)  # restore original verbosity
+
+    __no_default_msg = textwrap.dedent("""
+        bad install directory or PYTHONPATH
+
+        You are attempting to install a package to a directory that is not
+        on PYTHONPATH and which Python does not read ".pth" files from.  The
+        installation directory you specified (via --install-dir, --prefix, or
+        the distutils default setting) was:
+
+            %s
+
+        and your PYTHONPATH environment variable currently contains:
+
+            %r
+
+        Here are some of your options for correcting the problem:
+
+        * You can choose a different installation directory, i.e., one that is
+          on PYTHONPATH or supports .pth files
+
+        * You can add the installation directory to the PYTHONPATH environment
+          variable.  (It must then also be on PYTHONPATH whenever you run
+          Python and want to use the package(s) you are installing.)
+
+        * You can set up the installation directory to support ".pth" files by
+          using one of the approaches described here:
+
+          https://setuptools.pypa.io/en/latest/deprecated/easy_install.html#custom-installation-locations
+
+
+        Please make the appropriate changes for your system and try again.
+        """).strip()
+
+    def create_home_path(self):
+        """Create directories under ~."""
+        if not self.user:
+            return
+        home = convert_path(os.path.expanduser("~"))
+        for path in only_strs(self.config_vars.values()):
+            if path.startswith(home) and not os.path.isdir(path):
+                self.debug_print("os.makedirs('%s', 0o700)" % path)
+                os.makedirs(path, 0o700)
+
+    INSTALL_SCHEMES = dict(
+        posix=dict(
+            install_dir='$base/lib/python$py_version_short/site-packages',
+            script_dir='$base/bin',
+        ),
+    )
+
+    DEFAULT_SCHEME = dict(
+        install_dir='$base/Lib/site-packages',
+        script_dir='$base/Scripts',
+    )
+
+    def _expand(self, *attrs):
+        config_vars = self.get_finalized_command('install').config_vars
+
+        if self.prefix:
+            # Set default install_dir/scripts from --prefix
+            config_vars = dict(config_vars)
+            config_vars['base'] = self.prefix
+            scheme = self.INSTALL_SCHEMES.get(os.name, self.DEFAULT_SCHEME)
+            for attr, val in scheme.items():
+                if getattr(self, attr, None) is None:
+                    setattr(self, attr, val)
+
+        from distutils.util import subst_vars
+
+        for attr in attrs:
+            val = getattr(self, attr)
+            if val is not None:
+                val = subst_vars(val, config_vars)
+                if os.name == 'posix':
+                    val = os.path.expanduser(val)
+                setattr(self, attr, val)
+
+
+def _pythonpath():
+    items = os.environ.get('PYTHONPATH', '').split(os.pathsep)
+    return filter(None, items)
+
+
+def get_site_dirs():
+    """
+    Return a list of 'site' dirs
+    """
+
+    sitedirs = []
+
+    # start with PYTHONPATH
+    sitedirs.extend(_pythonpath())
+
+    prefixes = [sys.prefix]
+    if sys.exec_prefix != sys.prefix:
+        prefixes.append(sys.exec_prefix)
+    for prefix in prefixes:
+        if not prefix:
+            continue
+
+        if sys.platform in ('os2emx', 'riscos'):
+            sitedirs.append(os.path.join(prefix, "Lib", "site-packages"))
+        elif os.sep == '/':
+            sitedirs.extend([
+                os.path.join(
+                    prefix,
+                    "lib",
+                    "python{}.{}".format(*sys.version_info),
+                    "site-packages",
+                ),
+                os.path.join(prefix, "lib", "site-python"),
+            ])
+        else:
+            sitedirs.extend([
+                prefix,
+                os.path.join(prefix, "lib", "site-packages"),
+            ])
+        if sys.platform != 'darwin':
+            continue
+
+        # for framework builds *only* we add the standard Apple
+        # locations. Currently only per-user, but /Library and
+        # /Network/Library could be added too
+        if 'Python.framework' not in prefix:
+            continue
+
+        home = os.environ.get('HOME')
+        if not home:
+            continue
+
+        home_sp = os.path.join(
+            home,
+            'Library',
+            'Python',
+            '{}.{}'.format(*sys.version_info),
+            'site-packages',
+        )
+        sitedirs.append(home_sp)
+    lib_paths = get_path('purelib'), get_path('platlib')
+
+    sitedirs.extend(s for s in lib_paths if s not in sitedirs)
+
+    if site.ENABLE_USER_SITE:
+        sitedirs.append(site.USER_SITE)
+
+    with contextlib.suppress(AttributeError):
+        sitedirs.extend(site.getsitepackages())
+
+    sitedirs = list(map(normalize_path, sitedirs))
+
+    return sitedirs
+
+
+def expand_paths(inputs):  # noqa: C901  # is too complex (11)  # FIXME
+    """Yield sys.path directories that might contain "old-style" packages"""
+
+    seen = {}
+
+    for dirname in inputs:
+        dirname = normalize_path(dirname)
+        if dirname in seen:
+            continue
+
+        seen[dirname] = 1
+        if not os.path.isdir(dirname):
+            continue
+
+        files = os.listdir(dirname)
+        yield dirname, files
+
+        for name in files:
+            if not name.endswith('.pth'):
+                # We only care about the .pth files
+                continue
+            if name in ('easy-install.pth', 'setuptools.pth'):
+                # Ignore .pth files that we control
+                continue
+
+            # Read the .pth file
+            f = open(os.path.join(dirname, name))
+            lines = list(yield_lines(f))
+            f.close()
+
+            # Yield existing non-dupe, non-import directory lines from it
+            for line in lines:
+                if line.startswith("import"):
+                    continue
+
+                line = normalize_path(line.rstrip())
+                if line in seen:
+                    continue
+
+                seen[line] = 1
+                if not os.path.isdir(line):
+                    continue
+
+                yield line, os.listdir(line)
+
+
+def extract_wininst_cfg(dist_filename):
+    """Extract configuration data from a bdist_wininst .exe
+
+    Returns a configparser.RawConfigParser, or None
+    """
+    f = open(dist_filename, 'rb')
+    try:
+        endrec = zipfile._EndRecData(f)
+        if endrec is None:
+            return None
+
+        prepended = (endrec[9] - endrec[5]) - endrec[6]
+        if prepended < 12:  # no wininst data here
+            return None
+        f.seek(prepended - 12)
+
+        tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
+        if tag not in (0x1234567A, 0x1234567B):
+            return None  # not a valid tag
+
+        f.seek(prepended - (12 + cfglen))
+        init = {'version': '', 'target_version': ''}
+        cfg = configparser.RawConfigParser(init)
+        try:
+            part = f.read(cfglen)
+            # Read up to the first null byte.
+            config = part.split(b'\0', 1)[0]
+            # Now the config is in bytes, but for RawConfigParser, it should
+            #  be text, so decode it.
+            config = config.decode(sys.getfilesystemencoding())
+            cfg.read_file(io.StringIO(config))
+        except configparser.Error:
+            return None
+        if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
+            return None
+        return cfg
+
+    finally:
+        f.close()
+
+
+def get_exe_prefixes(exe_filename):
+    """Get exe->egg path translations for a given .exe file"""
+
+    prefixes = [
+        ('PURELIB/', ''),
+        ('PLATLIB/pywin32_system32', ''),
+        ('PLATLIB/', ''),
+        ('SCRIPTS/', 'EGG-INFO/scripts/'),
+        ('DATA/lib/site-packages', ''),
+    ]
+    z = zipfile.ZipFile(exe_filename)
+    try:
+        for info in z.infolist():
+            name = info.filename
+            parts = name.split('/')
+            if len(parts) == 3 and parts[2] == 'PKG-INFO':
+                if parts[1].endswith('.egg-info'):
+                    prefixes.insert(0, ('/'.join(parts[:2]), 'EGG-INFO/'))
+                    break
+            if len(parts) != 2 or not name.endswith('.pth'):
+                continue
+            if name.endswith('-nspkg.pth'):
+                continue
+            if parts[0].upper() in ('PURELIB', 'PLATLIB'):
+                contents = z.read(name).decode()
+                for pth in yield_lines(contents):
+                    pth = pth.strip().replace('\\', '/')
+                    if not pth.startswith('import'):
+                        prefixes.append((('%s/%s/' % (parts[0], pth)), ''))
+    finally:
+        z.close()
+    prefixes = [(x.lower(), y) for x, y in prefixes]
+    prefixes.sort()
+    prefixes.reverse()
+    return prefixes
+
+
+class PthDistributions(Environment):
+    """A .pth file with Distribution paths in it"""
+
+    dirty = False
+
+    def __init__(self, filename, sitedirs=()):
+        self.filename = filename
+        self.sitedirs = list(map(normalize_path, sitedirs))
+        self.basedir = normalize_path(os.path.dirname(self.filename))
+        self._load()
+        super().__init__([], None, None)
+        for path in yield_lines(self.paths):
+            list(map(self.add, find_distributions(path, True)))
+
+    def _load(self):
+        self.paths = []
+        saw_import = False
+        seen = dict.fromkeys(self.sitedirs)
+        if os.path.isfile(self.filename):
+            f = open(self.filename, 'rt')
+            for line in f:
+                if line.startswith('import'):
+                    saw_import = True
+                    continue
+                path = line.rstrip()
+                self.paths.append(path)
+                if not path.strip() or path.strip().startswith('#'):
+                    continue
+                # skip non-existent paths, in case somebody deleted a package
+                # manually, and duplicate paths as well
+                path = self.paths[-1] = normalize_path(
+                    os.path.join(self.basedir, path)
+                )
+                if not os.path.exists(path) or path in seen:
+                    self.paths.pop()  # skip it
+                    self.dirty = True  # we cleaned up, so we're dirty now :)
+                    continue
+                seen[path] = 1
+            f.close()
+
+        if self.paths and not saw_import:
+            self.dirty = True  # ensure anything we touch has import wrappers
+        while self.paths and not self.paths[-1].strip():
+            self.paths.pop()
+
+    def save(self):
+        """Write changed .pth file back to disk"""
+        if not self.dirty:
+            return
+
+        rel_paths = list(map(self.make_relative, self.paths))
+        if rel_paths:
+            log.debug("Saving %s", self.filename)
+            lines = self._wrap_lines(rel_paths)
+            data = '\n'.join(lines) + '\n'
+
+            if os.path.islink(self.filename):
+                os.unlink(self.filename)
+            with open(self.filename, 'wt') as f:
+                f.write(data)
+
+        elif os.path.exists(self.filename):
+            log.debug("Deleting empty %s", self.filename)
+            os.unlink(self.filename)
+
+        self.dirty = False
+
+    @staticmethod
+    def _wrap_lines(lines):
+        return lines
+
+    def add(self, dist):
+        """Add `dist` to the distribution map"""
+        new_path = (
+            dist.location not in self.paths and (
+                dist.location not in self.sitedirs or
+                # account for '.' being in PYTHONPATH
+                dist.location == os.getcwd()
+            )
+        )
+        if new_path:
+            self.paths.append(dist.location)
+            self.dirty = True
+        super().add(dist)
+
+    def remove(self, dist):
+        """Remove `dist` from the distribution map"""
+        while dist.location in self.paths:
+            self.paths.remove(dist.location)
+            self.dirty = True
+        super().remove(dist)
+
+    def make_relative(self, path):
+        npath, last = os.path.split(normalize_path(path))
+        baselen = len(self.basedir)
+        parts = [last]
+        sep = os.altsep == '/' and '/' or os.sep
+        while len(npath) >= baselen:
+            if npath == self.basedir:
+                parts.append(os.curdir)
+                parts.reverse()
+                return sep.join(parts)
+            npath, last = os.path.split(npath)
+            parts.append(last)
+        else:
+            return path
+
+
+class RewritePthDistributions(PthDistributions):
+    @classmethod
+    def _wrap_lines(cls, lines):
+        yield cls.prelude
+        for line in lines:
+            yield line
+        yield cls.postlude
+
+    prelude = _one_liner("""
+        import sys
+        sys.__plen = len(sys.path)
+        """)
+    postlude = _one_liner("""
+        import sys
+        new = sys.path[sys.__plen:]
+        del sys.path[sys.__plen:]
+        p = getattr(sys, '__egginsert', 0)
+        sys.path[p:p] = new
+        sys.__egginsert = p + len(new)
+        """)
+
+
+if os.environ.get('SETUPTOOLS_SYS_PATH_TECHNIQUE', 'raw') == 'rewrite':
+    PthDistributions = RewritePthDistributions
+
+
+def _first_line_re():
+    """
+    Return a regular expression based on first_line_re suitable for matching
+    strings.
+    """
+    if isinstance(first_line_re.pattern, str):
+        return first_line_re
+
+    # first_line_re in Python >=3.1.4 and >=3.2.1 is a bytes pattern.
+    return re.compile(first_line_re.pattern.decode())
+
+
+def auto_chmod(func, arg, exc):
+    if func in [os.unlink, os.remove] and os.name == 'nt':
+        chmod(arg, stat.S_IWRITE)
+        return func(arg)
+    et, ev, _ = sys.exc_info()
+    # TODO: This code doesn't make sense. What is it trying to do?
+    raise (ev[0], ev[1] + (" %s %s" % (func, arg)))
+
+
+def update_dist_caches(dist_path, fix_zipimporter_caches):
+    """
+    Fix any globally cached `dist_path` related data
+
+    `dist_path` should be a path of a newly installed egg distribution (zipped
+    or unzipped).
+
+    sys.path_importer_cache contains finder objects that have been cached when
+    importing data from the original distribution. Any such finders need to be
+    cleared since the replacement distribution might be packaged differently,
+    e.g. a zipped egg distribution might get replaced with an unzipped egg
+    folder or vice versa. Having the old finders cached may then cause Python
+    to attempt loading modules from the replacement distribution using an
+    incorrect loader.
+
+    zipimport.zipimporter objects are Python loaders charged with importing
+    data packaged inside zip archives. If stale loaders referencing the
+    original distribution, are left behind, they can fail to load modules from
+    the replacement distribution. E.g. if an old zipimport.zipimporter instance
+    is used to load data from a new zipped egg archive, it may cause the
+    operation to attempt to locate the requested data in the wrong location -
+    one indicated by the original distribution's zip archive directory
+    information. Such an operation may then fail outright, e.g. report having
+    read a 'bad local file header', or even worse, it may fail silently &
+    return invalid data.
+
+    zipimport._zip_directory_cache contains cached zip archive directory
+    information for all existing zipimport.zipimporter instances and all such
+    instances connected to the same archive share the same cached directory
+    information.
+
+    If asked, and the underlying Python implementation allows it, we can fix
+    all existing zipimport.zipimporter instances instead of having to track
+    them down and remove them one by one, by updating their shared cached zip
+    archive directory information. This, of course, assumes that the
+    replacement distribution is packaged as a zipped egg.
+
+    If not asked to fix existing zipimport.zipimporter instances, we still do
+    our best to clear any remaining zipimport.zipimporter related cached data
+    that might somehow later get used when attempting to load data from the new
+    distribution and thus cause such load operations to fail. Note that when
+    tracking down such remaining stale data, we can not catch every conceivable
+    usage from here, and we clear only those that we know of and have found to
+    cause problems if left alive. Any remaining caches should be updated by
+    whomever is in charge of maintaining them, i.e. they should be ready to
+    handle us replacing their zip archives with new distributions at runtime.
+
+    """
+    # There are several other known sources of stale zipimport.zipimporter
+    # instances that we do not clear here, but might if ever given a reason to
+    # do so:
+    # * Global setuptools pkg_resources.working_set (a.k.a. 'master working
+    # set') may contain distributions which may in turn contain their
+    #   zipimport.zipimporter loaders.
+    # * Several zipimport.zipimporter loaders held by local variables further
+    #   up the function call stack when running the setuptools installation.
+    # * Already loaded modules may have their __loader__ attribute set to the
+    #   exact loader instance used when importing them. Python 3.4 docs state
+    #   that this information is intended mostly for introspection and so is
+    #   not expected to cause us problems.
+    normalized_path = normalize_path(dist_path)
+    _uncache(normalized_path, sys.path_importer_cache)
+    if fix_zipimporter_caches:
+        _replace_zip_directory_cache_data(normalized_path)
+    else:
+        # Here, even though we do not want to fix existing and now stale
+        # zipimporter cache information, we still want to remove it. Related to
+        # Python's zip archive directory information cache, we clear each of
+        # its stale entries in two phases:
+        #   1. Clear the entry so attempting to access zip archive information
+        #      via any existing stale zipimport.zipimporter instances fails.
+        #   2. Remove the entry from the cache so any newly constructed
+        #      zipimport.zipimporter instances do not end up using old stale
+        #      zip archive directory information.
+        # This whole stale data removal step does not seem strictly necessary,
+        # but has been left in because it was done before we started replacing
+        # the zip archive directory information cache content if possible, and
+        # there are no relevant unit tests that we can depend on to tell us if
+        # this is really needed.
+        _remove_and_clear_zip_directory_cache_data(normalized_path)
+
+
+def _collect_zipimporter_cache_entries(normalized_path, cache):
+    """
+    Return zipimporter cache entry keys related to a given normalized path.
+
+    Alternative path spellings (e.g. those using different character case or
+    those using alternative path separators) related to the same path are
+    included. Any sub-path entries are included as well, i.e. those
+    corresponding to zip archives embedded in other zip archives.
+
+    """
+    result = []
+    prefix_len = len(normalized_path)
+    for p in cache:
+        np = normalize_path(p)
+        if (np.startswith(normalized_path) and
+                np[prefix_len:prefix_len + 1] in (os.sep, '')):
+            result.append(p)
+    return result
+
+
+def _update_zipimporter_cache(normalized_path, cache, updater=None):
+    """
+    Update zipimporter cache data for a given normalized path.
+
+    Any sub-path entries are processed as well, i.e. those corresponding to zip
+    archives embedded in other zip archives.
+
+    Given updater is a callable taking a cache entry key and the original entry
+    (after already removing the entry from the cache), and expected to update
+    the entry and possibly return a new one to be inserted in its place.
+    Returning None indicates that the entry should not be replaced with a new
+    one. If no updater is given, the cache entries are simply removed without
+    any additional processing, the same as if the updater simply returned None.
+
+    """
+    for p in _collect_zipimporter_cache_entries(normalized_path, cache):
+        # N.B. pypy's custom zipimport._zip_directory_cache implementation does
+        # not support the complete dict interface:
+        # * Does not support item assignment, thus not allowing this function
+        #    to be used only for removing existing cache entries.
+        #  * Does not support the dict.pop() method, forcing us to use the
+        #    get/del patterns instead. For more detailed information see the
+        #    following links:
+        #      https://github.com/pypa/setuptools/issues/202#issuecomment-202913420
+        #      http://bit.ly/2h9itJX
+        old_entry = cache[p]
+        del cache[p]
+        new_entry = updater and updater(p, old_entry)
+        if new_entry is not None:
+            cache[p] = new_entry
+
+
+def _uncache(normalized_path, cache):
+    _update_zipimporter_cache(normalized_path, cache)
+
+
+def _remove_and_clear_zip_directory_cache_data(normalized_path):
+    def clear_and_remove_cached_zip_archive_directory_data(path, old_entry):
+        old_entry.clear()
+
+    _update_zipimporter_cache(
+        normalized_path, zipimport._zip_directory_cache,
+        updater=clear_and_remove_cached_zip_archive_directory_data)
+
+
+# PyPy Python implementation does not allow directly writing to the
+# zipimport._zip_directory_cache and so prevents us from attempting to correct
+# its content. The best we can do there is clear the problematic cache content
+# and have PyPy repopulate it as needed. The downside is that if there are any
+# stale zipimport.zipimporter instances laying around, attempting to use them
+# will fail due to not having its zip archive directory information available
+# instead of being automatically corrected to use the new correct zip archive
+# directory information.
+if '__pypy__' in sys.builtin_module_names:
+    _replace_zip_directory_cache_data = \
+        _remove_and_clear_zip_directory_cache_data
+else:
+
+    def _replace_zip_directory_cache_data(normalized_path):
+        def replace_cached_zip_archive_directory_data(path, old_entry):
+            # N.B. In theory, we could load the zip directory information just
+            # once for all updated path spellings, and then copy it locally and
+            # update its contained path strings to contain the correct
+            # spelling, but that seems like a way too invasive move (this cache
+            # structure is not officially documented anywhere and could in
+            # theory change with new Python releases) for no significant
+            # benefit.
+            old_entry.clear()
+            zipimport.zipimporter(path)
+            old_entry.update(zipimport._zip_directory_cache[path])
+            return old_entry
+
+        _update_zipimporter_cache(
+            normalized_path, zipimport._zip_directory_cache,
+            updater=replace_cached_zip_archive_directory_data)
+
+
+def is_python(text, filename='<string>'):
+    "Is this string a valid Python script?"
+    try:
+        compile(text, filename, 'exec')
+    except (SyntaxError, TypeError):
+        return False
+    else:
+        return True
+
+
+def is_sh(executable):
+    """Determine if the specified executable is a .sh (contains a #! line)"""
+    try:
+        with io.open(executable, encoding='latin-1') as fp:
+            magic = fp.read(2)
+    except (OSError, IOError):
+        return executable
+    return magic == '#!'
+
+
+def nt_quote_arg(arg):
+    """Quote a command line argument according to Windows parsing rules"""
+    return subprocess.list2cmdline([arg])
+
+
+def is_python_script(script_text, filename):
+    """Is this text, as a whole, a Python script? (as opposed to shell/bat/etc.
+    """
+    if filename.endswith('.py') or filename.endswith('.pyw'):
+        return True  # extension says it's Python
+    if is_python(script_text, filename):
+        return True  # it's syntactically valid Python
+    if script_text.startswith('#!'):
+        # It begins with a '#!' line, so check if 'python' is in it somewhere
+        return 'python' in script_text.splitlines()[0].lower()
+
+    return False  # Not any Python I can recognize
+
+
+try:
+    from os import chmod as _chmod
+except ImportError:
+    # Jython compatibility
+    def _chmod(*args):
+        pass
+
+
+def chmod(path, mode):
+    log.debug("changing mode of %s to %o", path, mode)
+    try:
+        _chmod(path, mode)
+    except os.error as e:
+        log.debug("chmod failed: %s", e)
+
+
+class CommandSpec(list):
+    """
+    A command spec for a #! header, specified as a list of arguments akin to
+    those passed to Popen.
+    """
+
+    options = []
+    split_args = dict()
+
+    @classmethod
+    def best(cls):
+        """
+        Choose the best CommandSpec class based on environmental conditions.
+        """
+        return cls
+
+    @classmethod
+    def _sys_executable(cls):
+        _default = os.path.normpath(sys.executable)
+        return os.environ.get('__PYVENV_LAUNCHER__', _default)
+
+    @classmethod
+    def from_param(cls, param):
+        """
+        Construct a CommandSpec from a parameter to build_scripts, which may
+        be None.
+        """
+        if isinstance(param, cls):
+            return param
+        if isinstance(param, list):
+            return cls(param)
+        if param is None:
+            return cls.from_environment()
+        # otherwise, assume it's a string.
+        return cls.from_string(param)
+
+    @classmethod
+    def from_environment(cls):
+        return cls([cls._sys_executable()])
+
+    @classmethod
+    def from_string(cls, string):
+        """
+        Construct a command spec from a simple string representing a command
+        line parseable by shlex.split.
+        """
+        items = shlex.split(string, **cls.split_args)
+        return cls(items)
+
+    def install_options(self, script_text):
+        self.options = shlex.split(self._extract_options(script_text))
+        cmdline = subprocess.list2cmdline(self)
+        if not isascii(cmdline):
+            self.options[:0] = ['-x']
+
+    @staticmethod
+    def _extract_options(orig_script):
+        """
+        Extract any options from the first line of the script.
+        """
+        first = (orig_script + '\n').splitlines()[0]
+        match = _first_line_re().match(first)
+        options = match.group(1) or '' if match else ''
+        return options.strip()
+
+    def as_header(self):
+        return self._render(self + list(self.options))
+
+    @staticmethod
+    def _strip_quotes(item):
+        _QUOTES = '"\''
+        for q in _QUOTES:
+            if item.startswith(q) and item.endswith(q):
+                return item[1:-1]
+        return item
+
+    @staticmethod
+    def _render(items):
+        cmdline = subprocess.list2cmdline(
+            CommandSpec._strip_quotes(item.strip()) for item in items)
+        return '#!' + cmdline + '\n'
+
+
+# For pbr compat; will be removed in a future version.
+sys_executable = CommandSpec._sys_executable()
+
+
+class WindowsCommandSpec(CommandSpec):
+    split_args = dict(posix=False)
+
+
+class ScriptWriter:
+    """
+    Encapsulates behavior around writing entry point scripts for console and
+    gui apps.
+    """
+
+    template = textwrap.dedent(r"""
+        # EASY-INSTALL-ENTRY-SCRIPT: %(spec)r,%(group)r,%(name)r
+        import re
+        import sys
+
+        # for compatibility with easy_install; see #2198
+        __requires__ = %(spec)r
+
+        try:
+            from importlib.metadata import distribution
+        except ImportError:
+            try:
+                from importlib_metadata import distribution
+            except ImportError:
+                from pkg_resources import load_entry_point
+
+
+        def importlib_load_entry_point(spec, group, name):
+            dist_name, _, _ = spec.partition('==')
+            matches = (
+                entry_point
+                for entry_point in distribution(dist_name).entry_points
+                if entry_point.group == group and entry_point.name == name
+            )
+            return next(matches).load()
+
+
+        globals().setdefault('load_entry_point', importlib_load_entry_point)
+
+
+        if __name__ == '__main__':
+            sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+            sys.exit(load_entry_point(%(spec)r, %(group)r, %(name)r)())
+        """).lstrip()
+
+    command_spec_class = CommandSpec
+
+    @classmethod
+    def get_script_args(cls, dist, executable=None, wininst=False):
+        # for backward compatibility
+        warnings.warn("Use get_args", EasyInstallDeprecationWarning)
+        writer = (WindowsScriptWriter if wininst else ScriptWriter).best()
+        header = cls.get_script_header("", executable, wininst)
+        return writer.get_args(dist, header)
+
+    @classmethod
+    def get_script_header(cls, script_text, executable=None, wininst=False):
+        # for backward compatibility
+        warnings.warn(
+            "Use get_header", EasyInstallDeprecationWarning, stacklevel=2)
+        if wininst:
+            executable = "python.exe"
+        return cls.get_header(script_text, executable)
+
+    @classmethod
+    def get_args(cls, dist, header=None):
+        """
+        Yield write_script() argument tuples for a distribution's
+        console_scripts and gui_scripts entry points.
+        """
+        if header is None:
+            header = cls.get_header()
+        spec = str(dist.as_requirement())
+        for type_ in 'console', 'gui':
+            group = type_ + '_scripts'
+            for name, ep in dist.get_entry_map(group).items():
+                cls._ensure_safe_name(name)
+                script_text = cls.template % locals()
+                args = cls._get_script_args(type_, name, header, script_text)
+                for res in args:
+                    yield res
+
+    @staticmethod
+    def _ensure_safe_name(name):
+        """
+        Prevent paths in *_scripts entry point names.
+        """
+        has_path_sep = re.search(r'[\\/]', name)
+        if has_path_sep:
+            raise ValueError("Path separators not allowed in script names")
+
+    @classmethod
+    def get_writer(cls, force_windows):
+        # for backward compatibility
+        warnings.warn("Use best", EasyInstallDeprecationWarning)
+        return WindowsScriptWriter.best() if force_windows else cls.best()
+
+    @classmethod
+    def best(cls):
+        """
+        Select the best ScriptWriter for this environment.
+        """
+        if sys.platform == 'win32' or (os.name == 'java' and os._name == 'nt'):
+            return WindowsScriptWriter.best()
+        else:
+            return cls
+
+    @classmethod
+    def _get_script_args(cls, type_, name, header, script_text):
+        # Simply write the stub with no extension.
+        yield (name, header + script_text)
+
+    @classmethod
+    def get_header(cls, script_text="", executable=None):
+        """Create a #! line, getting options (if any) from script_text"""
+        cmd = cls.command_spec_class.best().from_param(executable)
+        cmd.install_options(script_text)
+        return cmd.as_header()
+
+
+class WindowsScriptWriter(ScriptWriter):
+    command_spec_class = WindowsCommandSpec
+
+    @classmethod
+    def get_writer(cls):
+        # for backward compatibility
+        warnings.warn("Use best", EasyInstallDeprecationWarning)
+        return cls.best()
+
+    @classmethod
+    def best(cls):
+        """
+        Select the best ScriptWriter suitable for Windows
+        """
+        writer_lookup = dict(
+            executable=WindowsExecutableLauncherWriter,
+            natural=cls,
+        )
+        # for compatibility, use the executable launcher by default
+        launcher = os.environ.get('SETUPTOOLS_LAUNCHER', 'executable')
+        return writer_lookup[launcher]
+
+    @classmethod
+    def _get_script_args(cls, type_, name, header, script_text):
+        "For Windows, add a .py extension"
+        ext = dict(console='.pya', gui='.pyw')[type_]
+        if ext not in os.environ['PATHEXT'].lower().split(';'):
+            msg = (
+                "{ext} not listed in PATHEXT; scripts will not be "
+                "recognized as executables."
+            ).format(**locals())
+            warnings.warn(msg, UserWarning)
+        old = ['.pya', '.py', '-script.py', '.pyc', '.pyo', '.pyw', '.exe']
+        old.remove(ext)
+        header = cls._adjust_header(type_, header)
+        blockers = [name + x for x in old]
+        yield name + ext, header + script_text, 't', blockers
+
+    @classmethod
+    def _adjust_header(cls, type_, orig_header):
+        """
+        Make sure 'pythonw' is used for gui and 'python' is used for
+        console (regardless of what sys.executable is).
+        """
+        pattern = 'pythonw.exe'
+        repl = 'python.exe'
+        if type_ == 'gui':
+            pattern, repl = repl, pattern
+        pattern_ob = re.compile(re.escape(pattern), re.IGNORECASE)
+        new_header = pattern_ob.sub(string=orig_header, repl=repl)
+        return new_header if cls._use_header(new_header) else orig_header
+
+    @staticmethod
+    def _use_header(new_header):
+        """
+        Should _adjust_header use the replaced header?
+
+        On non-windows systems, always use. On
+        Windows systems, only use the replaced header if it resolves
+        to an executable on the system.
+        """
+        clean_header = new_header[2:-1].strip('"')
+        return sys.platform != 'win32' or find_executable(clean_header)
+
+
+class WindowsExecutableLauncherWriter(WindowsScriptWriter):
+    @classmethod
+    def _get_script_args(cls, type_, name, header, script_text):
+        """
+        For Windows, add a .py extension and an .exe launcher
+        """
+        if type_ == 'gui':
+            launcher_type = 'gui'
+            ext = '-script.pyw'
+            old = ['.pyw']
+        else:
+            launcher_type = 'cli'
+            ext = '-script.py'
+            old = ['.py', '.pyc', '.pyo']
+        hdr = cls._adjust_header(type_, header)
+        blockers = [name + x for x in old]
+        yield (name + ext, hdr + script_text, 't', blockers)
+        yield (
+            name + '.exe', get_win_launcher(launcher_type),
+            'b'  # write in binary mode
+        )
+        if not is_64bit():
+            # install a manifest for the launcher to prevent Windows
+            # from detecting it as an installer (which it will for
+            #  launchers like easy_install.exe). Consider only
+            #  adding a manifest for launchers detected as installers.
+            #  See Distribute #143 for details.
+            m_name = name + '.exe.manifest'
+            yield (m_name, load_launcher_manifest(name), 't')
+
+
+# for backward-compatibility
+get_script_args = ScriptWriter.get_script_args
+get_script_header = ScriptWriter.get_script_header
+
+
+def get_win_launcher(type):
+    """
+    Load the Windows launcher (executable) suitable for launching a script.
+
+    `type` should be either 'cli' or 'gui'
+
+    Returns the executable as a byte string.
+    """
+    launcher_fn = '%s.exe' % type
+    if is_64bit():
+        if get_platform() == "win-arm64":
+            launcher_fn = launcher_fn.replace(".", "-arm64.")
+        else:
+            launcher_fn = launcher_fn.replace(".", "-64.")
+    else:
+        launcher_fn = launcher_fn.replace(".", "-32.")
+    return resource_string('setuptools', launcher_fn)
+
+
+def load_launcher_manifest(name):
+    manifest = pkg_resources.resource_string(__name__, 'launcher manifest.xml')
+    return manifest.decode('utf-8') % vars()
+
+
+def rmtree(path, ignore_errors=False, onerror=auto_chmod):
+    return shutil.rmtree(path, ignore_errors, onerror)
+
+
+def current_umask():
+    tmp = os.umask(0o022)
+    os.umask(tmp)
+    return tmp
+
+
+def only_strs(values):
+    """
+    Exclude non-str values. Ref #3063.
+    """
+    return filter(lambda val: isinstance(val, str), values)
+
+
+class EasyInstallDeprecationWarning(SetuptoolsDeprecationWarning):
+    """
+    Warning for EasyInstall deprecations, bypassing suppression.
+    """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/editable_wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/editable_wheel.py
new file mode 100644
index 00000000..d60cfbeb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/editable_wheel.py
@@ -0,0 +1,844 @@
+"""
+Create a wheel that, when installed, will make the source package 'editable'
+(add it to the interpreter's path, including metadata) per PEP 660. Replaces
+'setup.py develop'.
+
+.. note::
+   One of the mechanisms briefly mentioned in PEP 660 to implement editable installs is
+   to create a separated directory inside ``build`` and use a .pth file to point to that
+   directory. In the context of this file such directory is referred as
+   *auxiliary build directory* or ``auxiliary_dir``.
+"""
+
+import logging
+import os
+import re
+import shutil
+import sys
+import traceback
+import warnings
+from contextlib import suppress
+from enum import Enum
+from inspect import cleandoc
+from itertools import chain
+from pathlib import Path
+from tempfile import TemporaryDirectory
+from typing import (
+    TYPE_CHECKING,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Mapping,
+    Optional,
+    Tuple,
+    TypeVar,
+    Union,
+)
+
+from setuptools import Command, SetuptoolsDeprecationWarning, errors, namespaces
+from setuptools.command.build_py import build_py as build_py_cls
+from setuptools.discovery import find_package_path
+from setuptools.dist import Distribution
+
+if TYPE_CHECKING:
+    from wheel.wheelfile import WheelFile  # noqa
+
+if sys.version_info >= (3, 8):
+    from typing import Protocol
+elif TYPE_CHECKING:
+    from typing_extensions import Protocol
+else:
+    from abc import ABC as Protocol
+
+_Path = Union[str, Path]
+_P = TypeVar("_P", bound=_Path)
+_logger = logging.getLogger(__name__)
+
+
+class _EditableMode(Enum):
+    """
+    Possible editable installation modes:
+    `lenient` (new files automatically added to the package - DEFAULT);
+    `strict` (requires a new installation when files are added/removed); or
+    `compat` (attempts to emulate `python setup.py develop` - DEPRECATED).
+    """
+
+    STRICT = "strict"
+    LENIENT = "lenient"
+    COMPAT = "compat"  # TODO: Remove `compat` after Dec/2022.
+
+    @classmethod
+    def convert(cls, mode: Optional[str]) -> "_EditableMode":
+        if not mode:
+            return _EditableMode.LENIENT  # default
+
+        _mode = mode.upper()
+        if _mode not in _EditableMode.__members__:
+            raise errors.OptionError(f"Invalid editable mode: {mode!r}. Try: 'strict'.")
+
+        if _mode == "COMPAT":
+            msg = """
+            The 'compat' editable mode is transitional and will be removed
+            in future versions of `setuptools`.
+            Please adapt your code accordingly to use either the 'strict' or the
+            'lenient' modes.
+
+            For more information, please check:
+            https://setuptools.pypa.io/en/latest/userguide/development_mode.html
+            """
+            warnings.warn(msg, SetuptoolsDeprecationWarning)
+
+        return _EditableMode[_mode]
+
+
+_STRICT_WARNING = """
+New or renamed files may not be automatically picked up without a new installation.
+"""
+
+_LENIENT_WARNING = """
+Options like `package-data`, `include/exclude-package-data` or
+`packages.find.exclude/include` may have no effect.
+"""
+
+
+class editable_wheel(Command):
+    """Build 'editable' wheel for development.
+    (This command is reserved for internal use of setuptools).
+    """
+
+    description = "create a PEP 660 'editable' wheel"
+
+    user_options = [
+        ("dist-dir=", "d", "directory to put final built distributions in"),
+        ("dist-info-dir=", "I", "path to a pre-build .dist-info directory"),
+        ("mode=", None, cleandoc(_EditableMode.__doc__ or "")),
+    ]
+
+    def initialize_options(self):
+        self.dist_dir = None
+        self.dist_info_dir = None
+        self.project_dir = None
+        self.mode = None
+
+    def finalize_options(self):
+        dist = self.distribution
+        self.project_dir = dist.src_root or os.curdir
+        self.package_dir = dist.package_dir or {}
+        self.dist_dir = Path(self.dist_dir or os.path.join(self.project_dir, "dist"))
+
+    def run(self):
+        try:
+            self.dist_dir.mkdir(exist_ok=True)
+            self._ensure_dist_info()
+
+            # Add missing dist_info files
+            self.reinitialize_command("bdist_wheel")
+            bdist_wheel = self.get_finalized_command("bdist_wheel")
+            bdist_wheel.write_wheelfile(self.dist_info_dir)
+
+            self._create_wheel_file(bdist_wheel)
+        except Exception as ex:
+            traceback.print_exc()
+            msg = """
+            Support for editable installs via PEP 660 was recently introduced
+            in `setuptools`. If you are seeing this error, please report to:
+
+            https://github.com/pypa/setuptools/issues
+
+            Meanwhile you can try the legacy behavior by setting an
+            environment variable and trying to install again:
+
+            SETUPTOOLS_ENABLE_FEATURES="legacy-editable"
+            """
+            raise errors.InternalError(cleandoc(msg)) from ex
+
+    def _ensure_dist_info(self):
+        if self.dist_info_dir is None:
+            dist_info = self.reinitialize_command("dist_info")
+            dist_info.output_dir = self.dist_dir
+            dist_info.ensure_finalized()
+            dist_info.run()
+            self.dist_info_dir = dist_info.dist_info_dir
+        else:
+            assert str(self.dist_info_dir).endswith(".dist-info")
+            assert Path(self.dist_info_dir, "METADATA").exists()
+
+    def _install_namespaces(self, installation_dir, pth_prefix):
+        # XXX: Only required to support the deprecated namespace practice
+        dist = self.distribution
+        if not dist.namespace_packages:
+            return
+
+        src_root = Path(self.project_dir, self.package_dir.get("", ".")).resolve()
+        installer = _NamespaceInstaller(dist, installation_dir, pth_prefix, src_root)
+        installer.install_namespaces()
+
+    def _find_egg_info_dir(self) -> Optional[str]:
+        parent_dir = Path(self.dist_info_dir).parent if self.dist_info_dir else Path()
+        candidates = map(str, parent_dir.glob("*.egg-info"))
+        return next(candidates, None)
+
+    def _configure_build(
+        self, name: str, unpacked_wheel: _Path, build_lib: _Path, tmp_dir: _Path
+    ):
+        """Configure commands to behave in the following ways:
+
+        - Build commands can write to ``build_lib`` if they really want to...
+          (but this folder is expected to be ignored and modules are expected to live
+          in the project directory...)
+        - Binary extensions should be built in-place (editable_mode = True)
+        - Data/header/script files are not part of the "editable" specification
+          so they are written directly to the unpacked_wheel directory.
+        """
+        # Non-editable files (data, headers, scripts) are written directly to the
+        # unpacked_wheel
+
+        dist = self.distribution
+        wheel = str(unpacked_wheel)
+        build_lib = str(build_lib)
+        data = str(Path(unpacked_wheel, f"{name}.data", "data"))
+        headers = str(Path(unpacked_wheel, f"{name}.data", "headers"))
+        scripts = str(Path(unpacked_wheel, f"{name}.data", "scripts"))
+
+        # egg-info may be generated again to create a manifest (used for package data)
+        egg_info = dist.reinitialize_command("egg_info", reinit_subcommands=True)
+        egg_info.egg_base = str(tmp_dir)
+        egg_info.ignore_egg_info_in_manifest = True
+
+        build = dist.reinitialize_command("build", reinit_subcommands=True)
+        install = dist.reinitialize_command("install", reinit_subcommands=True)
+
+        build.build_platlib = build.build_purelib = build.build_lib = build_lib
+        install.install_purelib = install.install_platlib = install.install_lib = wheel
+        install.install_scripts = build.build_scripts = scripts
+        install.install_headers = headers
+        install.install_data = data
+
+        install_scripts = dist.get_command_obj("install_scripts")
+        install_scripts.no_ep = True
+
+        build.build_temp = str(tmp_dir)
+
+        build_py = dist.get_command_obj("build_py")
+        build_py.compile = False
+        build_py.existing_egg_info_dir = self._find_egg_info_dir()
+
+        self._set_editable_mode()
+
+        build.ensure_finalized()
+        install.ensure_finalized()
+
+    def _set_editable_mode(self):
+        """Set the ``editable_mode`` flag in the build sub-commands"""
+        dist = self.distribution
+        build = dist.get_command_obj("build")
+        for cmd_name in build.get_sub_commands():
+            cmd = dist.get_command_obj(cmd_name)
+            if hasattr(cmd, "editable_mode"):
+                cmd.editable_mode = True
+            elif hasattr(cmd, "inplace"):
+                cmd.inplace = True  # backward compatibility with distutils
+
+    def _collect_build_outputs(self) -> Tuple[List[str], Dict[str, str]]:
+        files: List[str] = []
+        mapping: Dict[str, str] = {}
+        build = self.get_finalized_command("build")
+
+        for cmd_name in build.get_sub_commands():
+            cmd = self.get_finalized_command(cmd_name)
+            if hasattr(cmd, "get_outputs"):
+                files.extend(cmd.get_outputs() or [])
+            if hasattr(cmd, "get_output_mapping"):
+                mapping.update(cmd.get_output_mapping() or {})
+
+        return files, mapping
+
+    def _run_build_commands(
+        self, dist_name: str, unpacked_wheel: _Path, build_lib: _Path, tmp_dir: _Path
+    ) -> Tuple[List[str], Dict[str, str]]:
+        self._configure_build(dist_name, unpacked_wheel, build_lib, tmp_dir)
+        self._run_build_subcommands()
+        files, mapping = self._collect_build_outputs()
+        self._run_install("headers")
+        self._run_install("scripts")
+        self._run_install("data")
+        return files, mapping
+
+    def _run_build_subcommands(self):
+        """
+        Issue #3501 indicates that some plugins/customizations might rely on:
+
+        1. ``build_py`` not running
+        2. ``build_py`` always copying files to ``build_lib``
+
+        However both these assumptions may be false in editable_wheel.
+        This method implements a temporary workaround to support the ecosystem
+        while the implementations catch up.
+        """
+        # TODO: Once plugins/customisations had the chance to catch up, replace
+        #       `self._run_build_subcommands()` with `self.run_command("build")`.
+        #       Also remove _safely_run, TestCustomBuildPy. Suggested date: Aug/2023.
+        build: Command = self.get_finalized_command("build")
+        for name in build.get_sub_commands():
+            cmd = self.get_finalized_command(name)
+            if name == "build_py" and type(cmd) != build_py_cls:
+                self._safely_run(name)
+            else:
+                self.run_command(name)
+
+    def _safely_run(self, cmd_name: str):
+        try:
+            return self.run_command(cmd_name)
+        except Exception:
+            msg = f"""{traceback.format_exc()}\n
+            If you are seeing this warning it is very likely that a setuptools
+            plugin or customization overrides the `{cmd_name}` command, without
+            taking into consideration how editable installs run build steps
+            starting from v64.0.0.
+
+            Plugin authors and developers relying on custom build steps are encouraged
+            to update their `{cmd_name}` implementation considering the information in
+            https://setuptools.pypa.io/en/latest/userguide/extension.html
+            about editable installs.
+
+            For the time being `setuptools` will silence this error and ignore
+            the faulty command, but this behaviour will change in future versions.\n
+            """
+            warnings.warn(msg, SetuptoolsDeprecationWarning, stacklevel=2)
+
+    def _create_wheel_file(self, bdist_wheel):
+        from wheel.wheelfile import WheelFile
+
+        dist_info = self.get_finalized_command("dist_info")
+        dist_name = dist_info.name
+        tag = "-".join(bdist_wheel.get_tag())
+        build_tag = "0.editable"  # According to PEP 427 needs to start with digit
+        archive_name = f"{dist_name}-{build_tag}-{tag}.whl"
+        wheel_path = Path(self.dist_dir, archive_name)
+        if wheel_path.exists():
+            wheel_path.unlink()
+
+        unpacked_wheel = TemporaryDirectory(suffix=archive_name)
+        build_lib = TemporaryDirectory(suffix=".build-lib")
+        build_tmp = TemporaryDirectory(suffix=".build-temp")
+
+        with unpacked_wheel as unpacked, build_lib as lib, build_tmp as tmp:
+            unpacked_dist_info = Path(unpacked, Path(self.dist_info_dir).name)
+            shutil.copytree(self.dist_info_dir, unpacked_dist_info)
+            self._install_namespaces(unpacked, dist_info.name)
+            files, mapping = self._run_build_commands(dist_name, unpacked, lib, tmp)
+            strategy = self._select_strategy(dist_name, tag, lib)
+            with strategy, WheelFile(wheel_path, "w") as wheel_obj:
+                strategy(wheel_obj, files, mapping)
+                wheel_obj.write_files(unpacked)
+
+        return wheel_path
+
+    def _run_install(self, category: str):
+        has_category = getattr(self.distribution, f"has_{category}", None)
+        if has_category and has_category():
+            _logger.info(f"Installing {category} as non editable")
+            self.run_command(f"install_{category}")
+
+    def _select_strategy(
+        self,
+        name: str,
+        tag: str,
+        build_lib: _Path,
+    ) -> "EditableStrategy":
+        """Decides which strategy to use to implement an editable installation."""
+        build_name = f"__editable__.{name}-{tag}"
+        project_dir = Path(self.project_dir)
+        mode = _EditableMode.convert(self.mode)
+
+        if mode is _EditableMode.STRICT:
+            auxiliary_dir = _empty_dir(Path(self.project_dir, "build", build_name))
+            return _LinkTree(self.distribution, name, auxiliary_dir, build_lib)
+
+        packages = _find_packages(self.distribution)
+        has_simple_layout = _simple_layout(packages, self.package_dir, project_dir)
+        is_compat_mode = mode is _EditableMode.COMPAT
+        if set(self.package_dir) == {""} and has_simple_layout or is_compat_mode:
+            # src-layout(ish) is relatively safe for a simple pth file
+            src_dir = self.package_dir.get("", ".")
+            return _StaticPth(self.distribution, name, [Path(project_dir, src_dir)])
+
+        # Use a MetaPathFinder to avoid adding accidental top-level packages/modules
+        return _TopLevelFinder(self.distribution, name)
+
+
+class EditableStrategy(Protocol):
+    def __call__(self, wheel: "WheelFile", files: List[str], mapping: Dict[str, str]):
+        ...
+
+    def __enter__(self):
+        ...
+
+    def __exit__(self, _exc_type, _exc_value, _traceback):
+        ...
+
+
+class _StaticPth:
+    def __init__(self, dist: Distribution, name: str, path_entries: List[Path]):
+        self.dist = dist
+        self.name = name
+        self.path_entries = path_entries
+
+    def __call__(self, wheel: "WheelFile", files: List[str], mapping: Dict[str, str]):
+        entries = "\n".join((str(p.resolve()) for p in self.path_entries))
+        contents = bytes(f"{entries}\n", "utf-8")
+        wheel.writestr(f"__editable__.{self.name}.pth", contents)
+
+    def __enter__(self):
+        msg = f"""
+        Editable install will be performed using .pth file to extend `sys.path` with:
+        {list(map(os.fspath, self.path_entries))!r}
+        """
+        _logger.warning(msg + _LENIENT_WARNING)
+        return self
+
+    def __exit__(self, _exc_type, _exc_value, _traceback):
+        ...
+
+
+class _LinkTree(_StaticPth):
+    """
+    Creates a ``.pth`` file that points to a link tree in the ``auxiliary_dir``.
+
+    This strategy will only link files (not dirs), so it can be implemented in
+    any OS, even if that means using hardlinks instead of symlinks.
+
+    By collocating ``auxiliary_dir`` and the original source code, limitations
+    with hardlinks should be avoided.
+    """
+    def __init__(
+        self, dist: Distribution,
+        name: str,
+        auxiliary_dir: _Path,
+        build_lib: _Path,
+    ):
+        self.auxiliary_dir = Path(auxiliary_dir)
+        self.build_lib = Path(build_lib).resolve()
+        self._file = dist.get_command_obj("build_py").copy_file
+        super().__init__(dist, name, [self.auxiliary_dir])
+
+    def __call__(self, wheel: "WheelFile", files: List[str], mapping: Dict[str, str]):
+        self._create_links(files, mapping)
+        super().__call__(wheel, files, mapping)
+
+    def _normalize_output(self, file: str) -> Optional[str]:
+        # Files relative to build_lib will be normalized to None
+        with suppress(ValueError):
+            path = Path(file).resolve().relative_to(self.build_lib)
+            return str(path).replace(os.sep, '/')
+        return None
+
+    def _create_file(self, relative_output: str, src_file: str, link=None):
+        dest = self.auxiliary_dir / relative_output
+        if not dest.parent.is_dir():
+            dest.parent.mkdir(parents=True)
+        self._file(src_file, dest, link=link)
+
+    def _create_links(self, outputs, output_mapping):
+        self.auxiliary_dir.mkdir(parents=True, exist_ok=True)
+        link_type = "sym" if _can_symlink_files(self.auxiliary_dir) else "hard"
+        mappings = {
+            self._normalize_output(k): v
+            for k, v in output_mapping.items()
+        }
+        mappings.pop(None, None)  # remove files that are not relative to build_lib
+
+        for output in outputs:
+            relative = self._normalize_output(output)
+            if relative and relative not in mappings:
+                self._create_file(relative, output)
+
+        for relative, src in mappings.items():
+            self._create_file(relative, src, link=link_type)
+
+    def __enter__(self):
+        msg = "Strict editable install will be performed using a link tree.\n"
+        _logger.warning(msg + _STRICT_WARNING)
+        return self
+
+    def __exit__(self, _exc_type, _exc_value, _traceback):
+        msg = f"""\n
+        Strict editable installation performed using the auxiliary directory:
+            {self.auxiliary_dir}
+
+        Please be careful to not remove this directory, otherwise you might not be able
+        to import/use your package.
+        """
+        warnings.warn(msg, InformationOnly)
+
+
+class _TopLevelFinder:
+    def __init__(self, dist: Distribution, name: str):
+        self.dist = dist
+        self.name = name
+
+    def __call__(self, wheel: "WheelFile", files: List[str], mapping: Dict[str, str]):
+        src_root = self.dist.src_root or os.curdir
+        top_level = chain(_find_packages(self.dist), _find_top_level_modules(self.dist))
+        package_dir = self.dist.package_dir or {}
+        roots = _find_package_roots(top_level, package_dir, src_root)
+
+        namespaces_: Dict[str, List[str]] = dict(chain(
+            _find_namespaces(self.dist.packages or [], roots),
+            ((ns, []) for ns in _find_virtual_namespaces(roots)),
+        ))
+
+        name = f"__editable__.{self.name}.finder"
+        finder = _make_identifier(name)
+        content = bytes(_finder_template(name, roots, namespaces_), "utf-8")
+        wheel.writestr(f"{finder}.py", content)
+
+        content = bytes(f"import {finder}; {finder}.install()", "utf-8")
+        wheel.writestr(f"__editable__.{self.name}.pth", content)
+
+    def __enter__(self):
+        msg = "Editable install will be performed using a meta path finder.\n"
+        _logger.warning(msg + _LENIENT_WARNING)
+        return self
+
+    def __exit__(self, _exc_type, _exc_value, _traceback):
+        msg = """\n
+        Please be careful with folders in your working directory with the same
+        name as your package as they may take precedence during imports.
+        """
+        warnings.warn(msg, InformationOnly)
+
+
+def _can_symlink_files(base_dir: Path) -> bool:
+    with TemporaryDirectory(dir=str(base_dir.resolve())) as tmp:
+        path1, path2 = Path(tmp, "file1.txt"), Path(tmp, "file2.txt")
+        path1.write_text("file1", encoding="utf-8")
+        with suppress(AttributeError, NotImplementedError, OSError):
+            os.symlink(path1, path2)
+            if path2.is_symlink() and path2.read_text(encoding="utf-8") == "file1":
+                return True
+
+        try:
+            os.link(path1, path2)  # Ensure hard links can be created
+        except Exception as ex:
+            msg = (
+                "File system does not seem to support either symlinks or hard links. "
+                "Strict editable installs require one of them to be supported."
+            )
+            raise LinksNotSupported(msg) from ex
+        return False
+
+
+def _simple_layout(
+    packages: Iterable[str], package_dir: Dict[str, str], project_dir: Path
+) -> bool:
+    """Return ``True`` if:
+    - all packages are contained by the same parent directory, **and**
+    - all packages become importable if the parent directory is added to ``sys.path``.
+
+    >>> _simple_layout(['a'], {"": "src"}, "/tmp/myproj")
+    True
+    >>> _simple_layout(['a', 'a.b'], {"": "src"}, "/tmp/myproj")
+    True
+    >>> _simple_layout(['a', 'a.b'], {}, "/tmp/myproj")
+    True
+    >>> _simple_layout(['a', 'a.a1', 'a.a1.a2', 'b'], {"": "src"}, "/tmp/myproj")
+    True
+    >>> _simple_layout(['a', 'a.a1', 'a.a1.a2', 'b'], {"a": "a", "b": "b"}, ".")
+    True
+    >>> _simple_layout(['a', 'a.a1', 'a.a1.a2', 'b'], {"a": "_a", "b": "_b"}, ".")
+    False
+    >>> _simple_layout(['a', 'a.a1', 'a.a1.a2', 'b'], {"a": "_a"}, "/tmp/myproj")
+    False
+    >>> _simple_layout(['a', 'a.a1', 'a.a1.a2', 'b'], {"a.a1.a2": "_a2"}, ".")
+    False
+    >>> _simple_layout(['a', 'a.b'], {"": "src", "a.b": "_ab"}, "/tmp/myproj")
+    False
+    >>> # Special cases, no packages yet:
+    >>> _simple_layout([], {"": "src"}, "/tmp/myproj")
+    True
+    >>> _simple_layout([], {"a": "_a", "": "src"}, "/tmp/myproj")
+    False
+    """
+    layout = {
+        pkg: find_package_path(pkg, package_dir, project_dir)
+        for pkg in packages
+    }
+    if not layout:
+        return set(package_dir) in ({}, {""})
+    parent = os.path.commonpath([_parent_path(k, v) for k, v in layout.items()])
+    return all(
+        _normalize_path(Path(parent, *key.split('.'))) == _normalize_path(value)
+        for key, value in layout.items()
+    )
+
+
+def _parent_path(pkg, pkg_path):
+    """Infer the parent path containing a package, that if added to ``sys.path`` would
+    allow importing that package.
+    When ``pkg`` is directly mapped into a directory with a different name, return its
+    own path.
+    >>> _parent_path("a", "src/a")
+    'src'
+    >>> _parent_path("b", "src/c")
+    'src/c'
+    """
+    parent = pkg_path[:-len(pkg)] if pkg_path.endswith(pkg) else pkg_path
+    return parent.rstrip("/" + os.sep)
+
+
+def _find_packages(dist: Distribution) -> Iterator[str]:
+    yield from iter(dist.packages or [])
+
+    py_modules = dist.py_modules or []
+    nested_modules = [mod for mod in py_modules if "." in mod]
+    if dist.ext_package:
+        yield dist.ext_package
+    else:
+        ext_modules = dist.ext_modules or []
+        nested_modules += [x.name for x in ext_modules if "." in x.name]
+
+    for module in nested_modules:
+        package, _, _ = module.rpartition(".")
+        yield package
+
+
+def _find_top_level_modules(dist: Distribution) -> Iterator[str]:
+    py_modules = dist.py_modules or []
+    yield from (mod for mod in py_modules if "." not in mod)
+
+    if not dist.ext_package:
+        ext_modules = dist.ext_modules or []
+        yield from (x.name for x in ext_modules if "." not in x.name)
+
+
+def _find_package_roots(
+    packages: Iterable[str],
+    package_dir: Mapping[str, str],
+    src_root: _Path,
+) -> Dict[str, str]:
+    pkg_roots: Dict[str, str] = {
+        pkg: _absolute_root(find_package_path(pkg, package_dir, src_root))
+        for pkg in sorted(packages)
+    }
+
+    return _remove_nested(pkg_roots)
+
+
+def _absolute_root(path: _Path) -> str:
+    """Works for packages and top-level modules"""
+    path_ = Path(path)
+    parent = path_.parent
+
+    if path_.exists():
+        return str(path_.resolve())
+    else:
+        return str(parent.resolve() / path_.name)
+
+
+def _find_virtual_namespaces(pkg_roots: Dict[str, str]) -> Iterator[str]:
+    """By carefully designing ``package_dir``, it is possible to implement the logical
+    structure of PEP 420 in a package without the corresponding directories.
+
+    Moreover a parent package can be purposefully/accidentally skipped in the discovery
+    phase (e.g. ``find_packages(include=["mypkg.*"])``, when ``mypkg.foo`` is included
+    by ``mypkg`` itself is not).
+    We consider this case to also be a virtual namespace (ignoring the original
+    directory) to emulate a non-editable installation.
+
+    This function will try to find these kinds of namespaces.
+    """
+    for pkg in pkg_roots:
+        if "." not in pkg:
+            continue
+        parts = pkg.split(".")
+        for i in range(len(parts) - 1, 0, -1):
+            partial_name = ".".join(parts[:i])
+            path = Path(find_package_path(partial_name, pkg_roots, ""))
+            if not path.exists() or partial_name not in pkg_roots:
+                # partial_name not in pkg_roots ==> purposefully/accidentally skipped
+                yield partial_name
+
+
+def _find_namespaces(
+    packages: List[str], pkg_roots: Dict[str, str]
+) -> Iterator[Tuple[str, List[str]]]:
+    for pkg in packages:
+        path = find_package_path(pkg, pkg_roots, "")
+        if Path(path).exists() and not Path(path, "__init__.py").exists():
+            yield (pkg, [path])
+
+
+def _remove_nested(pkg_roots: Dict[str, str]) -> Dict[str, str]:
+    output = dict(pkg_roots.copy())
+
+    for pkg, path in reversed(list(pkg_roots.items())):
+        if any(
+            pkg != other and _is_nested(pkg, path, other, other_path)
+            for other, other_path in pkg_roots.items()
+        ):
+            output.pop(pkg)
+
+    return output
+
+
+def _is_nested(pkg: str, pkg_path: str, parent: str, parent_path: str) -> bool:
+    """
+    Return ``True`` if ``pkg`` is nested inside ``parent`` both logically and in the
+    file system.
+    >>> _is_nested("a.b", "path/a/b", "a", "path/a")
+    True
+    >>> _is_nested("a.b", "path/a/b", "a", "otherpath/a")
+    False
+    >>> _is_nested("a.b", "path/a/b", "c", "path/c")
+    False
+    >>> _is_nested("a.a", "path/a/a", "a", "path/a")
+    True
+    >>> _is_nested("b.a", "path/b/a", "a", "path/a")
+    False
+    """
+    norm_pkg_path = _normalize_path(pkg_path)
+    rest = pkg.replace(parent, "", 1).strip(".").split(".")
+    return (
+        pkg.startswith(parent)
+        and norm_pkg_path == _normalize_path(Path(parent_path, *rest))
+    )
+
+
+def _normalize_path(filename: _Path) -> str:
+    """Normalize a file/dir name for comparison purposes"""
+    # See pkg_resources.normalize_path
+    file = os.path.abspath(filename) if sys.platform == 'cygwin' else filename
+    return os.path.normcase(os.path.realpath(os.path.normpath(file)))
+
+
+def _empty_dir(dir_: _P) -> _P:
+    """Create a directory ensured to be empty. Existing files may be removed."""
+    shutil.rmtree(dir_, ignore_errors=True)
+    os.makedirs(dir_)
+    return dir_
+
+
+def _make_identifier(name: str) -> str:
+    """Make a string safe to be used as Python identifier.
+    >>> _make_identifier("12abc")
+    '_12abc'
+    >>> _make_identifier("__editable__.myns.pkg-78.9.3_local")
+    '__editable___myns_pkg_78_9_3_local'
+    """
+    safe = re.sub(r'\W|^(?=\d)', '_', name)
+    assert safe.isidentifier()
+    return safe
+
+
+class _NamespaceInstaller(namespaces.Installer):
+    def __init__(self, distribution, installation_dir, editable_name, src_root):
+        self.distribution = distribution
+        self.src_root = src_root
+        self.installation_dir = installation_dir
+        self.editable_name = editable_name
+        self.outputs = []
+        self.dry_run = False
+
+    def _get_target(self):
+        """Installation target."""
+        return os.path.join(self.installation_dir, self.editable_name)
+
+    def _get_root(self):
+        """Where the modules/packages should be loaded from."""
+        return repr(str(self.src_root))
+
+
+_FINDER_TEMPLATE = """\
+import sys
+from importlib.machinery import ModuleSpec
+from importlib.machinery import all_suffixes as module_suffixes
+from importlib.util import spec_from_file_location
+from itertools import chain
+from pathlib import Path
+
+MAPPING = {mapping!r}
+NAMESPACES = {namespaces!r}
+PATH_PLACEHOLDER = {name!r} + ".__path_hook__"
+
+
+class _EditableFinder:  # MetaPathFinder
+    @classmethod
+    def find_spec(cls, fullname, path=None, target=None):
+        for pkg, pkg_path in reversed(list(MAPPING.items())):
+            if fullname == pkg or fullname.startswith(f"{{pkg}}."):
+                rest = fullname.replace(pkg, "", 1).strip(".").split(".")
+                return cls._find_spec(fullname, Path(pkg_path, *rest))
+
+        return None
+
+    @classmethod
+    def _find_spec(cls, fullname, candidate_path):
+        init = candidate_path / "__init__.py"
+        candidates = (candidate_path.with_suffix(x) for x in module_suffixes())
+        for candidate in chain([init], candidates):
+            if candidate.exists():
+                return spec_from_file_location(fullname, candidate)
+
+
+class _EditableNamespaceFinder:  # PathEntryFinder
+    @classmethod
+    def _path_hook(cls, path):
+        if path == PATH_PLACEHOLDER:
+            return cls
+        raise ImportError
+
+    @classmethod
+    def _paths(cls, fullname):
+        # Ensure __path__ is not empty for the spec to be considered a namespace.
+        return NAMESPACES[fullname] or MAPPING.get(fullname) or [PATH_PLACEHOLDER]
+
+    @classmethod
+    def find_spec(cls, fullname, target=None):
+        if fullname in NAMESPACES:
+            spec = ModuleSpec(fullname, None, is_package=True)
+            spec.submodule_search_locations = cls._paths(fullname)
+            return spec
+        return None
+
+    @classmethod
+    def find_module(cls, fullname):
+        return None
+
+
+def install():
+    if not any(finder == _EditableFinder for finder in sys.meta_path):
+        sys.meta_path.append(_EditableFinder)
+
+    if not NAMESPACES:
+        return
+
+    if not any(hook == _EditableNamespaceFinder._path_hook for hook in sys.path_hooks):
+        # PathEntryFinder is needed to create NamespaceSpec without private APIS
+        sys.path_hooks.append(_EditableNamespaceFinder._path_hook)
+    if PATH_PLACEHOLDER not in sys.path:
+        sys.path.append(PATH_PLACEHOLDER)  # Used just to trigger the path hook
+"""
+
+
+def _finder_template(
+    name: str, mapping: Mapping[str, str], namespaces: Dict[str, List[str]]
+) -> str:
+    """Create a string containing the code for the``MetaPathFinder`` and
+    ``PathEntryFinder``.
+    """
+    mapping = dict(sorted(mapping.items(), key=lambda p: p[0]))
+    return _FINDER_TEMPLATE.format(name=name, mapping=mapping, namespaces=namespaces)
+
+
+class InformationOnly(UserWarning):
+    """Currently there is no clear way of displaying messages to the users
+    that use the setuptools backend directly via ``pip``.
+    The only thing that might work is a warning, although it is not the
+    most appropriate tool for the job...
+    """
+
+
+class LinksNotSupported(errors.FileError):
+    """File system does not seem to support either symlinks or hard links."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/egg_info.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/egg_info.py
new file mode 100644
index 00000000..25888ed8
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/egg_info.py
@@ -0,0 +1,763 @@
+"""setuptools.command.egg_info
+
+Create a distribution's .egg-info directory and contents"""
+
+from distutils.filelist import FileList as _FileList
+from distutils.errors import DistutilsInternalError
+from distutils.util import convert_path
+from distutils import log
+import distutils.errors
+import distutils.filelist
+import functools
+import os
+import re
+import sys
+import io
+import warnings
+import time
+import collections
+
+from .._importlib import metadata
+from .. import _entry_points
+
+from setuptools import Command
+from setuptools.command.sdist import sdist
+from setuptools.command.sdist import walk_revctrl
+from setuptools.command.setopt import edit_config
+from setuptools.command import bdist_egg
+from pkg_resources import (
+    Requirement, safe_name, parse_version,
+    safe_version, to_filename)
+import setuptools.unicode_utils as unicode_utils
+from setuptools.glob import glob
+
+from setuptools.extern import packaging
+from setuptools.extern.jaraco.text import yield_lines
+from setuptools import SetuptoolsDeprecationWarning
+
+
+def translate_pattern(glob):  # noqa: C901  # is too complex (14)  # FIXME
+    """
+    Translate a file path glob like '*.txt' in to a regular expression.
+    This differs from fnmatch.translate which allows wildcards to match
+    directory separators. It also knows about '**/' which matches any number of
+    directories.
+    """
+    pat = ''
+
+    # This will split on '/' within [character classes]. This is deliberate.
+    chunks = glob.split(os.path.sep)
+
+    sep = re.escape(os.sep)
+    valid_char = '[^%s]' % (sep,)
+
+    for c, chunk in enumerate(chunks):
+        last_chunk = c == len(chunks) - 1
+
+        # Chunks that are a literal ** are globstars. They match anything.
+        if chunk == '**':
+            if last_chunk:
+                # Match anything if this is the last component
+                pat += '.*'
+            else:
+                # Match '(name/)*'
+                pat += '(?:%s+%s)*' % (valid_char, sep)
+            continue  # Break here as the whole path component has been handled
+
+        # Find any special characters in the remainder
+        i = 0
+        chunk_len = len(chunk)
+        while i < chunk_len:
+            char = chunk[i]
+            if char == '*':
+                # Match any number of name characters
+                pat += valid_char + '*'
+            elif char == '?':
+                # Match a name character
+                pat += valid_char
+            elif char == '[':
+                # Character class
+                inner_i = i + 1
+                # Skip initial !/] chars
+                if inner_i < chunk_len and chunk[inner_i] == '!':
+                    inner_i = inner_i + 1
+                if inner_i < chunk_len and chunk[inner_i] == ']':
+                    inner_i = inner_i + 1
+
+                # Loop till the closing ] is found
+                while inner_i < chunk_len and chunk[inner_i] != ']':
+                    inner_i = inner_i + 1
+
+                if inner_i >= chunk_len:
+                    # Got to the end of the string without finding a closing ]
+                    # Do not treat this as a matching group, but as a literal [
+                    pat += re.escape(char)
+                else:
+                    # Grab the insides of the [brackets]
+                    inner = chunk[i + 1:inner_i]
+                    char_class = ''
+
+                    # Class negation
+                    if inner[0] == '!':
+                        char_class = '^'
+                        inner = inner[1:]
+
+                    char_class += re.escape(inner)
+                    pat += '[%s]' % (char_class,)
+
+                    # Skip to the end ]
+                    i = inner_i
+            else:
+                pat += re.escape(char)
+            i += 1
+
+        # Join each chunk with the dir separator
+        if not last_chunk:
+            pat += sep
+
+    pat += r'\Z'
+    return re.compile(pat, flags=re.MULTILINE | re.DOTALL)
+
+
+class InfoCommon:
+    tag_build = None
+    tag_date = None
+
+    @property
+    def name(self):
+        return safe_name(self.distribution.get_name())
+
+    def tagged_version(self):
+        return safe_version(self._maybe_tag(self.distribution.get_version()))
+
+    def _maybe_tag(self, version):
+        """
+        egg_info may be called more than once for a distribution,
+        in which case the version string already contains all tags.
+        """
+        return (
+            version if self.vtags and self._already_tagged(version)
+            else version + self.vtags
+        )
+
+    def _already_tagged(self, version: str) -> bool:
+        # Depending on their format, tags may change with version normalization.
+        # So in addition the regular tags, we have to search for the normalized ones.
+        return version.endswith(self.vtags) or version.endswith(self._safe_tags())
+
+    def _safe_tags(self) -> str:
+        # To implement this we can rely on `safe_version` pretending to be version 0
+        # followed by tags. Then we simply discard the starting 0 (fake version number)
+        return safe_version(f"0{self.vtags}")[1:]
+
+    def tags(self) -> str:
+        version = ''
+        if self.tag_build:
+            version += self.tag_build
+        if self.tag_date:
+            version += time.strftime("-%Y%m%d")
+        return version
+    vtags = property(tags)
+
+
+class egg_info(InfoCommon, Command):
+    description = "create a distribution's .egg-info directory"
+
+    user_options = [
+        ('egg-base=', 'e', "directory containing .egg-info directories"
+                           " (default: top of the source tree)"),
+        ('tag-date', 'd', "Add date stamp (e.g. 20050528) to version number"),
+        ('tag-build=', 'b', "Specify explicit tag to add to version number"),
+        ('no-date', 'D', "Don't include date stamp [default]"),
+    ]
+
+    boolean_options = ['tag-date']
+    negative_opt = {
+        'no-date': 'tag-date',
+    }
+
+    def initialize_options(self):
+        self.egg_base = None
+        self.egg_name = None
+        self.egg_info = None
+        self.egg_version = None
+        self.broken_egg_info = False
+        self.ignore_egg_info_in_manifest = False
+
+    ####################################
+    # allow the 'tag_svn_revision' to be detected and
+    # set, supporting sdists built on older Setuptools.
+    @property
+    def tag_svn_revision(self):
+        pass
+
+    @tag_svn_revision.setter
+    def tag_svn_revision(self, value):
+        pass
+    ####################################
+
+    def save_version_info(self, filename):
+        """
+        Materialize the value of date into the
+        build tag. Install build keys in a deterministic order
+        to avoid arbitrary reordering on subsequent builds.
+        """
+        egg_info = collections.OrderedDict()
+        # follow the order these keys would have been added
+        # when PYTHONHASHSEED=0
+        egg_info['tag_build'] = self.tags()
+        egg_info['tag_date'] = 0
+        edit_config(filename, dict(egg_info=egg_info))
+
+    def finalize_options(self):
+        # Note: we need to capture the current value returned
+        # by `self.tagged_version()`, so we can later update
+        # `self.distribution.metadata.version` without
+        # repercussions.
+        self.egg_name = self.name
+        self.egg_version = self.tagged_version()
+        parsed_version = parse_version(self.egg_version)
+
+        try:
+            is_version = isinstance(parsed_version, packaging.version.Version)
+            spec = "%s==%s" if is_version else "%s===%s"
+            Requirement(spec % (self.egg_name, self.egg_version))
+        except ValueError as e:
+            raise distutils.errors.DistutilsOptionError(
+                "Invalid distribution name or version syntax: %s-%s" %
+                (self.egg_name, self.egg_version)
+            ) from e
+
+        if self.egg_base is None:
+            dirs = self.distribution.package_dir
+            self.egg_base = (dirs or {}).get('', os.curdir)
+
+        self.ensure_dirname('egg_base')
+        self.egg_info = to_filename(self.egg_name) + '.egg-info'
+        if self.egg_base != os.curdir:
+            self.egg_info = os.path.join(self.egg_base, self.egg_info)
+        if '-' in self.egg_name:
+            self.check_broken_egg_info()
+
+        # Set package version for the benefit of dumber commands
+        # (e.g. sdist, bdist_wininst, etc.)
+        #
+        self.distribution.metadata.version = self.egg_version
+
+        # If we bootstrapped around the lack of a PKG-INFO, as might be the
+        # case in a fresh checkout, make sure that any special tags get added
+        # to the version info
+        #
+        pd = self.distribution._patched_dist
+        if pd is not None and pd.key == self.egg_name.lower():
+            pd._version = self.egg_version
+            pd._parsed_version = parse_version(self.egg_version)
+            self.distribution._patched_dist = None
+
+    def write_or_delete_file(self, what, filename, data, force=False):
+        """Write `data` to `filename` or delete if empty
+
+        If `data` is non-empty, this routine is the same as ``write_file()``.
+        If `data` is empty but not ``None``, this is the same as calling
+        ``delete_file(filename)`.  If `data` is ``None``, then this is a no-op
+        unless `filename` exists, in which case a warning is issued about the
+        orphaned file (if `force` is false), or deleted (if `force` is true).
+        """
+        if data:
+            self.write_file(what, filename, data)
+        elif os.path.exists(filename):
+            if data is None and not force:
+                log.warn(
+                    "%s not set in setup(), but %s exists", what, filename
+                )
+                return
+            else:
+                self.delete_file(filename)
+
+    def write_file(self, what, filename, data):
+        """Write `data` to `filename` (if not a dry run) after announcing it
+
+        `what` is used in a log message to identify what is being written
+        to the file.
+        """
+        log.info("writing %s to %s", what, filename)
+        data = data.encode("utf-8")
+        if not self.dry_run:
+            f = open(filename, 'wb')
+            f.write(data)
+            f.close()
+
+    def delete_file(self, filename):
+        """Delete `filename` (if not a dry run) after announcing it"""
+        log.info("deleting %s", filename)
+        if not self.dry_run:
+            os.unlink(filename)
+
+    def run(self):
+        self.mkpath(self.egg_info)
+        os.utime(self.egg_info, None)
+        for ep in metadata.entry_points(group='egg_info.writers'):
+            writer = ep.load()
+            writer(self, ep.name, os.path.join(self.egg_info, ep.name))
+
+        # Get rid of native_libs.txt if it was put there by older bdist_egg
+        nl = os.path.join(self.egg_info, "native_libs.txt")
+        if os.path.exists(nl):
+            self.delete_file(nl)
+
+        self.find_sources()
+
+    def find_sources(self):
+        """Generate SOURCES.txt manifest file"""
+        manifest_filename = os.path.join(self.egg_info, "SOURCES.txt")
+        mm = manifest_maker(self.distribution)
+        mm.ignore_egg_info_dir = self.ignore_egg_info_in_manifest
+        mm.manifest = manifest_filename
+        mm.run()
+        self.filelist = mm.filelist
+
+    def check_broken_egg_info(self):
+        bei = self.egg_name + '.egg-info'
+        if self.egg_base != os.curdir:
+            bei = os.path.join(self.egg_base, bei)
+        if os.path.exists(bei):
+            log.warn(
+                "-" * 78 + '\n'
+                "Note: Your current .egg-info directory has a '-' in its name;"
+                '\nthis will not work correctly with "setup.py develop".\n\n'
+                'Please rename %s to %s to correct this problem.\n' + '-' * 78,
+                bei, self.egg_info
+            )
+            self.broken_egg_info = self.egg_info
+            self.egg_info = bei  # make it work for now
+
+
+class FileList(_FileList):
+    # Implementations of the various MANIFEST.in commands
+
+    def __init__(self, warn=None, debug_print=None, ignore_egg_info_dir=False):
+        super().__init__(warn, debug_print)
+        self.ignore_egg_info_dir = ignore_egg_info_dir
+
+    def process_template_line(self, line):
+        # Parse the line: split it up, make sure the right number of words
+        # is there, and return the relevant words.  'action' is always
+        # defined: it's the first word of the line.  Which of the other
+        # three are defined depends on the action; it'll be either
+        # patterns, (dir and patterns), or (dir_pattern).
+        (action, patterns, dir, dir_pattern) = self._parse_template_line(line)
+
+        action_map = {
+            'include': self.include,
+            'exclude': self.exclude,
+            'global-include': self.global_include,
+            'global-exclude': self.global_exclude,
+            'recursive-include': functools.partial(
+                self.recursive_include, dir,
+            ),
+            'recursive-exclude': functools.partial(
+                self.recursive_exclude, dir,
+            ),
+            'graft': self.graft,
+            'prune': self.prune,
+        }
+        log_map = {
+            'include': "warning: no files found matching '%s'",
+            'exclude': (
+                "warning: no previously-included files found "
+                "matching '%s'"
+            ),
+            'global-include': (
+                "warning: no files found matching '%s' "
+                "anywhere in distribution"
+            ),
+            'global-exclude': (
+                "warning: no previously-included files matching "
+                "'%s' found anywhere in distribution"
+            ),
+            'recursive-include': (
+                "warning: no files found matching '%s' "
+                "under directory '%s'"
+            ),
+            'recursive-exclude': (
+                "warning: no previously-included files matching "
+                "'%s' found under directory '%s'"
+            ),
+            'graft': "warning: no directories found matching '%s'",
+            'prune': "no previously-included directories found matching '%s'",
+        }
+
+        try:
+            process_action = action_map[action]
+        except KeyError:
+            raise DistutilsInternalError(
+                "this cannot happen: invalid action '{action!s}'".
+                format(action=action),
+            )
+
+        # OK, now we know that the action is valid and we have the
+        # right number of words on the line for that action -- so we
+        # can proceed with minimal error-checking.
+
+        action_is_recursive = action.startswith('recursive-')
+        if action in {'graft', 'prune'}:
+            patterns = [dir_pattern]
+        extra_log_args = (dir, ) if action_is_recursive else ()
+        log_tmpl = log_map[action]
+
+        self.debug_print(
+            ' '.join(
+                [action] +
+                ([dir] if action_is_recursive else []) +
+                patterns,
+            )
+        )
+        for pattern in patterns:
+            if not process_action(pattern):
+                log.warn(log_tmpl, pattern, *extra_log_args)
+
+    def _remove_files(self, predicate):
+        """
+        Remove all files from the file list that match the predicate.
+        Return True if any matching files were removed
+        """
+        found = False
+        for i in range(len(self.files) - 1, -1, -1):
+            if predicate(self.files[i]):
+                self.debug_print(" removing " + self.files[i])
+                del self.files[i]
+                found = True
+        return found
+
+    def include(self, pattern):
+        """Include files that match 'pattern'."""
+        found = [f for f in glob(pattern) if not os.path.isdir(f)]
+        self.extend(found)
+        return bool(found)
+
+    def exclude(self, pattern):
+        """Exclude files that match 'pattern'."""
+        match = translate_pattern(pattern)
+        return self._remove_files(match.match)
+
+    def recursive_include(self, dir, pattern):
+        """
+        Include all files anywhere in 'dir/' that match the pattern.
+        """
+        full_pattern = os.path.join(dir, '**', pattern)
+        found = [f for f in glob(full_pattern, recursive=True)
+                 if not os.path.isdir(f)]
+        self.extend(found)
+        return bool(found)
+
+    def recursive_exclude(self, dir, pattern):
+        """
+        Exclude any file anywhere in 'dir/' that match the pattern.
+        """
+        match = translate_pattern(os.path.join(dir, '**', pattern))
+        return self._remove_files(match.match)
+
+    def graft(self, dir):
+        """Include all files from 'dir/'."""
+        found = [
+            item
+            for match_dir in glob(dir)
+            for item in distutils.filelist.findall(match_dir)
+        ]
+        self.extend(found)
+        return bool(found)
+
+    def prune(self, dir):
+        """Filter out files from 'dir/'."""
+        match = translate_pattern(os.path.join(dir, '**'))
+        return self._remove_files(match.match)
+
+    def global_include(self, pattern):
+        """
+        Include all files anywhere in the current directory that match the
+        pattern. This is very inefficient on large file trees.
+        """
+        if self.allfiles is None:
+            self.findall()
+        match = translate_pattern(os.path.join('**', pattern))
+        found = [f for f in self.allfiles if match.match(f)]
+        self.extend(found)
+        return bool(found)
+
+    def global_exclude(self, pattern):
+        """
+        Exclude all files anywhere that match the pattern.
+        """
+        match = translate_pattern(os.path.join('**', pattern))
+        return self._remove_files(match.match)
+
+    def append(self, item):
+        if item.endswith('\r'):  # Fix older sdists built on Windows
+            item = item[:-1]
+        path = convert_path(item)
+
+        if self._safe_path(path):
+            self.files.append(path)
+
+    def extend(self, paths):
+        self.files.extend(filter(self._safe_path, paths))
+
+    def _repair(self):
+        """
+        Replace self.files with only safe paths
+
+        Because some owners of FileList manipulate the underlying
+        ``files`` attribute directly, this method must be called to
+        repair those paths.
+        """
+        self.files = list(filter(self._safe_path, self.files))
+
+    def _safe_path(self, path):
+        enc_warn = "'%s' not %s encodable -- skipping"
+
+        # To avoid accidental trans-codings errors, first to unicode
+        u_path = unicode_utils.filesys_decode(path)
+        if u_path is None:
+            log.warn("'%s' in unexpected encoding -- skipping" % path)
+            return False
+
+        # Must ensure utf-8 encodability
+        utf8_path = unicode_utils.try_encode(u_path, "utf-8")
+        if utf8_path is None:
+            log.warn(enc_warn, path, 'utf-8')
+            return False
+
+        try:
+            # ignore egg-info paths
+            is_egg_info = ".egg-info" in u_path or b".egg-info" in utf8_path
+            if self.ignore_egg_info_dir and is_egg_info:
+                return False
+            # accept is either way checks out
+            if os.path.exists(u_path) or os.path.exists(utf8_path):
+                return True
+        # this will catch any encode errors decoding u_path
+        except UnicodeEncodeError:
+            log.warn(enc_warn, path, sys.getfilesystemencoding())
+
+
+class manifest_maker(sdist):
+    template = "MANIFEST.in"
+
+    def initialize_options(self):
+        self.use_defaults = 1
+        self.prune = 1
+        self.manifest_only = 1
+        self.force_manifest = 1
+        self.ignore_egg_info_dir = False
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        self.filelist = FileList(ignore_egg_info_dir=self.ignore_egg_info_dir)
+        if not os.path.exists(self.manifest):
+            self.write_manifest()  # it must exist so it'll get in the list
+        self.add_defaults()
+        if os.path.exists(self.template):
+            self.read_template()
+        self.add_license_files()
+        self.prune_file_list()
+        self.filelist.sort()
+        self.filelist.remove_duplicates()
+        self.write_manifest()
+
+    def _manifest_normalize(self, path):
+        path = unicode_utils.filesys_decode(path)
+        return path.replace(os.sep, '/')
+
+    def write_manifest(self):
+        """
+        Write the file list in 'self.filelist' to the manifest file
+        named by 'self.manifest'.
+        """
+        self.filelist._repair()
+
+        # Now _repairs should encodability, but not unicode
+        files = [self._manifest_normalize(f) for f in self.filelist.files]
+        msg = "writing manifest file '%s'" % self.manifest
+        self.execute(write_file, (self.manifest, files), msg)
+
+    def warn(self, msg):
+        if not self._should_suppress_warning(msg):
+            sdist.warn(self, msg)
+
+    @staticmethod
+    def _should_suppress_warning(msg):
+        """
+        suppress missing-file warnings from sdist
+        """
+        return re.match(r"standard file .*not found", msg)
+
+    def add_defaults(self):
+        sdist.add_defaults(self)
+        self.filelist.append(self.template)
+        self.filelist.append(self.manifest)
+        rcfiles = list(walk_revctrl())
+        if rcfiles:
+            self.filelist.extend(rcfiles)
+        elif os.path.exists(self.manifest):
+            self.read_manifest()
+
+        if os.path.exists("setup.py"):
+            # setup.py should be included by default, even if it's not
+            # the script called to create the sdist
+            self.filelist.append("setup.py")
+
+        ei_cmd = self.get_finalized_command('egg_info')
+        self.filelist.graft(ei_cmd.egg_info)
+
+    def add_license_files(self):
+        license_files = self.distribution.metadata.license_files or []
+        for lf in license_files:
+            log.info("adding license file '%s'", lf)
+            pass
+        self.filelist.extend(license_files)
+
+    def prune_file_list(self):
+        build = self.get_finalized_command('build')
+        base_dir = self.distribution.get_fullname()
+        self.filelist.prune(build.build_base)
+        self.filelist.prune(base_dir)
+        sep = re.escape(os.sep)
+        self.filelist.exclude_pattern(r'(^|' + sep + r')(RCS|CVS|\.svn)' + sep,
+                                      is_regex=1)
+
+    def _safe_data_files(self, build_py):
+        """
+        The parent class implementation of this method
+        (``sdist``) will try to include data files, which
+        might cause recursion problems when
+        ``include_package_data=True``.
+
+        Therefore, avoid triggering any attempt of
+        analyzing/building the manifest again.
+        """
+        if hasattr(build_py, 'get_data_files_without_manifest'):
+            return build_py.get_data_files_without_manifest()
+
+        warnings.warn(
+            "Custom 'build_py' does not implement "
+            "'get_data_files_without_manifest'.\nPlease extend command classes"
+            " from setuptools instead of distutils.",
+            SetuptoolsDeprecationWarning
+        )
+        return build_py.get_data_files()
+
+
+def write_file(filename, contents):
+    """Create a file with the specified name and write 'contents' (a
+    sequence of strings without line terminators) to it.
+    """
+    contents = "\n".join(contents)
+
+    # assuming the contents has been vetted for utf-8 encoding
+    contents = contents.encode("utf-8")
+
+    with open(filename, "wb") as f:  # always write POSIX-style manifest
+        f.write(contents)
+
+
+def write_pkg_info(cmd, basename, filename):
+    log.info("writing %s", filename)
+    if not cmd.dry_run:
+        metadata = cmd.distribution.metadata
+        metadata.version, oldver = cmd.egg_version, metadata.version
+        metadata.name, oldname = cmd.egg_name, metadata.name
+
+        try:
+            # write unescaped data to PKG-INFO, so older pkg_resources
+            # can still parse it
+            metadata.write_pkg_info(cmd.egg_info)
+        finally:
+            metadata.name, metadata.version = oldname, oldver
+
+        safe = getattr(cmd.distribution, 'zip_safe', None)
+
+        bdist_egg.write_safety_flag(cmd.egg_info, safe)
+
+
+def warn_depends_obsolete(cmd, basename, filename):
+    if os.path.exists(filename):
+        log.warn(
+            "WARNING: 'depends.txt' is not used by setuptools 0.6!\n"
+            "Use the install_requires/extras_require setup() args instead."
+        )
+
+
+def _write_requirements(stream, reqs):
+    lines = yield_lines(reqs or ())
+
+    def append_cr(line):
+        return line + '\n'
+    lines = map(append_cr, lines)
+    stream.writelines(lines)
+
+
+def write_requirements(cmd, basename, filename):
+    dist = cmd.distribution
+    data = io.StringIO()
+    _write_requirements(data, dist.install_requires)
+    extras_require = dist.extras_require or {}
+    for extra in sorted(extras_require):
+        data.write('\n[{extra}]\n'.format(**vars()))
+        _write_requirements(data, extras_require[extra])
+    cmd.write_or_delete_file("requirements", filename, data.getvalue())
+
+
+def write_setup_requirements(cmd, basename, filename):
+    data = io.StringIO()
+    _write_requirements(data, cmd.distribution.setup_requires)
+    cmd.write_or_delete_file("setup-requirements", filename, data.getvalue())
+
+
+def write_toplevel_names(cmd, basename, filename):
+    pkgs = dict.fromkeys(
+        [
+            k.split('.', 1)[0]
+            for k in cmd.distribution.iter_distribution_names()
+        ]
+    )
+    cmd.write_file("top-level names", filename, '\n'.join(sorted(pkgs)) + '\n')
+
+
+def overwrite_arg(cmd, basename, filename):
+    write_arg(cmd, basename, filename, True)
+
+
+def write_arg(cmd, basename, filename, force=False):
+    argname = os.path.splitext(basename)[0]
+    value = getattr(cmd.distribution, argname, None)
+    if value is not None:
+        value = '\n'.join(value) + '\n'
+    cmd.write_or_delete_file(argname, filename, value, force)
+
+
+def write_entries(cmd, basename, filename):
+    eps = _entry_points.load(cmd.distribution.entry_points)
+    defn = _entry_points.render(eps)
+    cmd.write_or_delete_file('entry points', filename, defn, True)
+
+
+def get_pkg_info_revision():
+    """
+    Get a -r### off of PKG-INFO Version in case this is an sdist of
+    a subversion revision.
+    """
+    warnings.warn(
+        "get_pkg_info_revision is deprecated.", EggInfoDeprecationWarning)
+    if os.path.exists('PKG-INFO'):
+        with io.open('PKG-INFO') as f:
+            for line in f:
+                match = re.match(r"Version:.*-r(\d+)\s*$", line)
+                if match:
+                    return int(match.group(1))
+    return 0
+
+
+class EggInfoDeprecationWarning(SetuptoolsDeprecationWarning):
+    """Deprecated behavior warning for EggInfo, bypassing suppression."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install.py
new file mode 100644
index 00000000..55fdb124
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install.py
@@ -0,0 +1,139 @@
+from distutils.errors import DistutilsArgError
+import inspect
+import glob
+import warnings
+import platform
+import distutils.command.install as orig
+
+import setuptools
+
+# Prior to numpy 1.9, NumPy relies on the '_install' name, so provide it for
+# now. See https://github.com/pypa/setuptools/issues/199/
+_install = orig.install
+
+
+class install(orig.install):
+    """Use easy_install to install the package, w/dependencies"""
+
+    user_options = orig.install.user_options + [
+        ('old-and-unmanageable', None, "Try not to use this!"),
+        ('single-version-externally-managed', None,
+         "used by system package builders to create 'flat' eggs"),
+    ]
+    boolean_options = orig.install.boolean_options + [
+        'old-and-unmanageable', 'single-version-externally-managed',
+    ]
+    new_commands = [
+        ('install_egg_info', lambda self: True),
+        ('install_scripts', lambda self: True),
+    ]
+    _nc = dict(new_commands)
+
+    def initialize_options(self):
+
+        warnings.warn(
+            "setup.py install is deprecated. "
+            "Use build and pip and other standards-based tools.",
+            setuptools.SetuptoolsDeprecationWarning,
+        )
+
+        orig.install.initialize_options(self)
+        self.old_and_unmanageable = None
+        self.single_version_externally_managed = None
+
+    def finalize_options(self):
+        orig.install.finalize_options(self)
+        if self.root:
+            self.single_version_externally_managed = True
+        elif self.single_version_externally_managed:
+            if not self.root and not self.record:
+                raise DistutilsArgError(
+                    "You must specify --record or --root when building system"
+                    " packages"
+                )
+
+    def handle_extra_path(self):
+        if self.root or self.single_version_externally_managed:
+            # explicit backward-compatibility mode, allow extra_path to work
+            return orig.install.handle_extra_path(self)
+
+        # Ignore extra_path when installing an egg (or being run by another
+        # command without --root or --single-version-externally-managed
+        self.path_file = None
+        self.extra_dirs = ''
+
+    def run(self):
+        # Explicit request for old-style install?  Just do it
+        if self.old_and_unmanageable or self.single_version_externally_managed:
+            return orig.install.run(self)
+
+        if not self._called_from_setup(inspect.currentframe()):
+            # Run in backward-compatibility mode to support bdist_* commands.
+            orig.install.run(self)
+        else:
+            self.do_egg_install()
+
+    @staticmethod
+    def _called_from_setup(run_frame):
+        """
+        Attempt to detect whether run() was called from setup() or by another
+        command.  If called by setup(), the parent caller will be the
+        'run_command' method in 'distutils.dist', and *its* caller will be
+        the 'run_commands' method.  If called any other way, the
+        immediate caller *might* be 'run_command', but it won't have been
+        called by 'run_commands'. Return True in that case or if a call stack
+        is unavailable. Return False otherwise.
+        """
+        if run_frame is None:
+            msg = "Call stack not available. bdist_* commands may fail."
+            warnings.warn(msg)
+            if platform.python_implementation() == 'IronPython':
+                msg = "For best results, pass -X:Frames to enable call stack."
+                warnings.warn(msg)
+            return True
+
+        frames = inspect.getouterframes(run_frame)
+        for frame in frames[2:4]:
+            caller, = frame[:1]
+            info = inspect.getframeinfo(caller)
+            caller_module = caller.f_globals.get('__name__', '')
+
+            if caller_module == "setuptools.dist" and info.function == "run_command":
+                # Starting from v61.0.0 setuptools overwrites dist.run_command
+                continue
+
+            return (
+                caller_module == 'distutils.dist'
+                and info.function == 'run_commands'
+            )
+
+    def do_egg_install(self):
+
+        easy_install = self.distribution.get_command_class('easy_install')
+
+        cmd = easy_install(
+            self.distribution, args="x", root=self.root, record=self.record,
+        )
+        cmd.ensure_finalized()  # finalize before bdist_egg munges install cmd
+        cmd.always_copy_from = '.'  # make sure local-dir eggs get installed
+
+        # pick up setup-dir .egg files only: no .egg-info
+        cmd.package_index.scan(glob.glob('*.egg'))
+
+        self.run_command('bdist_egg')
+        args = [self.distribution.get_command_obj('bdist_egg').egg_output]
+
+        if setuptools.bootstrap_install_from:
+            # Bootstrap self-installation of setuptools
+            args.insert(0, setuptools.bootstrap_install_from)
+
+        cmd.args = args
+        cmd.run(show_deprecation=False)
+        setuptools.bootstrap_install_from = None
+
+
+# XXX Python 3.1 doesn't see _nc if this is inside the class
+install.sub_commands = (
+    [cmd for cmd in orig.install.sub_commands if cmd[0] not in install._nc] +
+    install.new_commands
+)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_egg_info.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_egg_info.py
new file mode 100644
index 00000000..65ede406
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_egg_info.py
@@ -0,0 +1,63 @@
+from distutils import log, dir_util
+import os
+
+from setuptools import Command
+from setuptools import namespaces
+from setuptools.archive_util import unpack_archive
+from .._path import ensure_directory
+import pkg_resources
+
+
+class install_egg_info(namespaces.Installer, Command):
+    """Install an .egg-info directory for the package"""
+
+    description = "Install an .egg-info directory for the package"
+
+    user_options = [
+        ('install-dir=', 'd', "directory to install to"),
+    ]
+
+    def initialize_options(self):
+        self.install_dir = None
+
+    def finalize_options(self):
+        self.set_undefined_options('install_lib',
+                                   ('install_dir', 'install_dir'))
+        ei_cmd = self.get_finalized_command("egg_info")
+        basename = pkg_resources.Distribution(
+            None, None, ei_cmd.egg_name, ei_cmd.egg_version
+        ).egg_name() + '.egg-info'
+        self.source = ei_cmd.egg_info
+        self.target = os.path.join(self.install_dir, basename)
+        self.outputs = []
+
+    def run(self):
+        self.run_command('egg_info')
+        if os.path.isdir(self.target) and not os.path.islink(self.target):
+            dir_util.remove_tree(self.target, dry_run=self.dry_run)
+        elif os.path.exists(self.target):
+            self.execute(os.unlink, (self.target,), "Removing " + self.target)
+        if not self.dry_run:
+            ensure_directory(self.target)
+        self.execute(
+            self.copytree, (), "Copying %s to %s" % (self.source, self.target)
+        )
+        self.install_namespaces()
+
+    def get_outputs(self):
+        return self.outputs
+
+    def copytree(self):
+        # Copy the .egg-info tree to site-packages
+        def skimmer(src, dst):
+            # filter out source-control directories; note that 'src' is always
+            # a '/'-separated path, regardless of platform.  'dst' is a
+            # platform-specific path.
+            for skip in '.svn/', 'CVS/':
+                if src.startswith(skip) or '/' + skip in src:
+                    return None
+            self.outputs.append(dst)
+            log.debug("Copying %s to %s", src, dst)
+            return dst
+
+        unpack_archive(self.source, self.target, skimmer)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_lib.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_lib.py
new file mode 100644
index 00000000..2e9d8757
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_lib.py
@@ -0,0 +1,122 @@
+import os
+import sys
+from itertools import product, starmap
+import distutils.command.install_lib as orig
+
+
+class install_lib(orig.install_lib):
+    """Don't add compiled flags to filenames of non-Python files"""
+
+    def run(self):
+        self.build()
+        outfiles = self.install()
+        if outfiles is not None:
+            # always compile, in case we have any extension stubs to deal with
+            self.byte_compile(outfiles)
+
+    def get_exclusions(self):
+        """
+        Return a collections.Sized collections.Container of paths to be
+        excluded for single_version_externally_managed installations.
+        """
+        all_packages = (
+            pkg
+            for ns_pkg in self._get_SVEM_NSPs()
+            for pkg in self._all_packages(ns_pkg)
+        )
+
+        excl_specs = product(all_packages, self._gen_exclusion_paths())
+        return set(starmap(self._exclude_pkg_path, excl_specs))
+
+    def _exclude_pkg_path(self, pkg, exclusion_path):
+        """
+        Given a package name and exclusion path within that package,
+        compute the full exclusion path.
+        """
+        parts = pkg.split('.') + [exclusion_path]
+        return os.path.join(self.install_dir, *parts)
+
+    @staticmethod
+    def _all_packages(pkg_name):
+        """
+        >>> list(install_lib._all_packages('foo.bar.baz'))
+        ['foo.bar.baz', 'foo.bar', 'foo']
+        """
+        while pkg_name:
+            yield pkg_name
+            pkg_name, sep, child = pkg_name.rpartition('.')
+
+    def _get_SVEM_NSPs(self):
+        """
+        Get namespace packages (list) but only for
+        single_version_externally_managed installations and empty otherwise.
+        """
+        # TODO: is it necessary to short-circuit here? i.e. what's the cost
+        # if get_finalized_command is called even when namespace_packages is
+        # False?
+        if not self.distribution.namespace_packages:
+            return []
+
+        install_cmd = self.get_finalized_command('install')
+        svem = install_cmd.single_version_externally_managed
+
+        return self.distribution.namespace_packages if svem else []
+
+    @staticmethod
+    def _gen_exclusion_paths():
+        """
+        Generate file paths to be excluded for namespace packages (bytecode
+        cache files).
+        """
+        # always exclude the package module itself
+        yield '__init__.py'
+
+        yield '__init__.pyc'
+        yield '__init__.pyo'
+
+        if not hasattr(sys, 'implementation'):
+            return
+
+        base = os.path.join(
+            '__pycache__', '__init__.' + sys.implementation.cache_tag)
+        yield base + '.pyc'
+        yield base + '.pyo'
+        yield base + '.opt-1.pyc'
+        yield base + '.opt-2.pyc'
+
+    def copy_tree(
+            self, infile, outfile,
+            preserve_mode=1, preserve_times=1, preserve_symlinks=0, level=1
+    ):
+        assert preserve_mode and preserve_times and not preserve_symlinks
+        exclude = self.get_exclusions()
+
+        if not exclude:
+            return orig.install_lib.copy_tree(self, infile, outfile)
+
+        # Exclude namespace package __init__.py* files from the output
+
+        from setuptools.archive_util import unpack_directory
+        from distutils import log
+
+        outfiles = []
+
+        def pf(src, dst):
+            if dst in exclude:
+                log.warn("Skipping installation of %s (namespace package)",
+                         dst)
+                return False
+
+            log.info("copying %s -> %s", src, os.path.dirname(dst))
+            outfiles.append(dst)
+            return dst
+
+        unpack_directory(infile, outfile, pf)
+        return outfiles
+
+    def get_outputs(self):
+        outputs = orig.install_lib.get_outputs(self)
+        exclude = self.get_exclusions()
+        if exclude:
+            return [f for f in outputs if f not in exclude]
+        return outputs
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_scripts.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_scripts.py
new file mode 100644
index 00000000..aeb0e424
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/install_scripts.py
@@ -0,0 +1,70 @@
+from distutils import log
+import distutils.command.install_scripts as orig
+from distutils.errors import DistutilsModuleError
+import os
+import sys
+
+from pkg_resources import Distribution, PathMetadata
+from .._path import ensure_directory
+
+
+class install_scripts(orig.install_scripts):
+    """Do normal script install, plus any egg_info wrapper scripts"""
+
+    def initialize_options(self):
+        orig.install_scripts.initialize_options(self)
+        self.no_ep = False
+
+    def run(self):
+        import setuptools.command.easy_install as ei
+
+        self.run_command("egg_info")
+        if self.distribution.scripts:
+            orig.install_scripts.run(self)  # run first to set up self.outfiles
+        else:
+            self.outfiles = []
+        if self.no_ep:
+            # don't install entry point scripts into .egg file!
+            return
+
+        ei_cmd = self.get_finalized_command("egg_info")
+        dist = Distribution(
+            ei_cmd.egg_base, PathMetadata(ei_cmd.egg_base, ei_cmd.egg_info),
+            ei_cmd.egg_name, ei_cmd.egg_version,
+        )
+        bs_cmd = self.get_finalized_command('build_scripts')
+        exec_param = getattr(bs_cmd, 'executable', None)
+        try:
+            bw_cmd = self.get_finalized_command("bdist_wininst")
+            is_wininst = getattr(bw_cmd, '_is_running', False)
+        except (ImportError, DistutilsModuleError):
+            is_wininst = False
+        writer = ei.ScriptWriter
+        if is_wininst:
+            exec_param = "python.exe"
+            writer = ei.WindowsScriptWriter
+        if exec_param == sys.executable:
+            # In case the path to the Python executable contains a space, wrap
+            # it so it's not split up.
+            exec_param = [exec_param]
+        # resolve the writer to the environment
+        writer = writer.best()
+        cmd = writer.command_spec_class.best().from_param(exec_param)
+        for args in writer.get_args(dist, cmd.as_header()):
+            self.write_script(*args)
+
+    def write_script(self, script_name, contents, mode="t", *ignored):
+        """Write an executable file to the scripts directory"""
+        from setuptools.command.easy_install import chmod, current_umask
+
+        log.info("Installing %s script to %s", script_name, self.install_dir)
+        target = os.path.join(self.install_dir, script_name)
+        self.outfiles.append(target)
+
+        mask = current_umask()
+        if not self.dry_run:
+            ensure_directory(target)
+            f = open(target, "w" + mode)
+            f.write(contents)
+            f.close()
+            chmod(target, 0o777 - mask)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/launcher manifest.xml b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/launcher manifest.xml
new file mode 100644
index 00000000..5972a96d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/launcher manifest.xml	
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+    <assemblyIdentity version="1.0.0.0"
+                      processorArchitecture="X86"
+                      name="%(name)s"
+                      type="win32"/>
+    <!-- Identify the application security requirements. -->
+    <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+        <security>
+            <requestedPrivileges>
+                <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+            </requestedPrivileges>
+        </security>
+    </trustInfo>
+</assembly>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/py36compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/py36compat.py
new file mode 100644
index 00000000..343547a4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/py36compat.py
@@ -0,0 +1,134 @@
+import os
+from glob import glob
+from distutils.util import convert_path
+from distutils.command import sdist
+
+
+class sdist_add_defaults:
+    """
+    Mix-in providing forward-compatibility for functionality as found in
+    distutils on Python 3.7.
+
+    Do not edit the code in this class except to update functionality
+    as implemented in distutils. Instead, override in the subclass.
+    """
+
+    def add_defaults(self):
+        """Add all the default files to self.filelist:
+          - README or README.txt
+          - setup.py
+          - test/test*.py
+          - all pure Python modules mentioned in setup script
+          - all files pointed by package_data (build_py)
+          - all files defined in data_files.
+          - all files defined as scripts.
+          - all C sources listed as part of extensions or C libraries
+            in the setup script (doesn't catch C headers!)
+        Warns if (README or README.txt) or setup.py are missing; everything
+        else is optional.
+        """
+        self._add_defaults_standards()
+        self._add_defaults_optional()
+        self._add_defaults_python()
+        self._add_defaults_data_files()
+        self._add_defaults_ext()
+        self._add_defaults_c_libs()
+        self._add_defaults_scripts()
+
+    @staticmethod
+    def _cs_path_exists(fspath):
+        """
+        Case-sensitive path existence check
+
+        >>> sdist_add_defaults._cs_path_exists(__file__)
+        True
+        >>> sdist_add_defaults._cs_path_exists(__file__.upper())
+        False
+        """
+        if not os.path.exists(fspath):
+            return False
+        # make absolute so we always have a directory
+        abspath = os.path.abspath(fspath)
+        directory, filename = os.path.split(abspath)
+        return filename in os.listdir(directory)
+
+    def _add_defaults_standards(self):
+        standards = [self.READMES, self.distribution.script_name]
+        for fn in standards:
+            if isinstance(fn, tuple):
+                alts = fn
+                got_it = False
+                for fn in alts:
+                    if self._cs_path_exists(fn):
+                        got_it = True
+                        self.filelist.append(fn)
+                        break
+
+                if not got_it:
+                    self.warn("standard file not found: should have one of " +
+                              ', '.join(alts))
+            else:
+                if self._cs_path_exists(fn):
+                    self.filelist.append(fn)
+                else:
+                    self.warn("standard file '%s' not found" % fn)
+
+    def _add_defaults_optional(self):
+        optional = ['test/test*.py', 'setup.cfg']
+        for pattern in optional:
+            files = filter(os.path.isfile, glob(pattern))
+            self.filelist.extend(files)
+
+    def _add_defaults_python(self):
+        # build_py is used to get:
+        #  - python modules
+        #  - files defined in package_data
+        build_py = self.get_finalized_command('build_py')
+
+        # getting python files
+        if self.distribution.has_pure_modules():
+            self.filelist.extend(build_py.get_source_files())
+
+        # getting package_data files
+        # (computed in build_py.data_files by build_py.finalize_options)
+        for pkg, src_dir, build_dir, filenames in build_py.data_files:
+            for filename in filenames:
+                self.filelist.append(os.path.join(src_dir, filename))
+
+    def _add_defaults_data_files(self):
+        # getting distribution.data_files
+        if self.distribution.has_data_files():
+            for item in self.distribution.data_files:
+                if isinstance(item, str):
+                    # plain file
+                    item = convert_path(item)
+                    if os.path.isfile(item):
+                        self.filelist.append(item)
+                else:
+                    # a (dirname, filenames) tuple
+                    dirname, filenames = item
+                    for f in filenames:
+                        f = convert_path(f)
+                        if os.path.isfile(f):
+                            self.filelist.append(f)
+
+    def _add_defaults_ext(self):
+        if self.distribution.has_ext_modules():
+            build_ext = self.get_finalized_command('build_ext')
+            self.filelist.extend(build_ext.get_source_files())
+
+    def _add_defaults_c_libs(self):
+        if self.distribution.has_c_libraries():
+            build_clib = self.get_finalized_command('build_clib')
+            self.filelist.extend(build_clib.get_source_files())
+
+    def _add_defaults_scripts(self):
+        if self.distribution.has_scripts():
+            build_scripts = self.get_finalized_command('build_scripts')
+            self.filelist.extend(build_scripts.get_source_files())
+
+
+if hasattr(sdist.sdist, '_add_defaults_standards'):
+    # disable the functionality already available upstream
+    class sdist_add_defaults:  # noqa
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/register.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/register.py
new file mode 100644
index 00000000..b8266b9a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/register.py
@@ -0,0 +1,18 @@
+from distutils import log
+import distutils.command.register as orig
+
+from setuptools.errors import RemovedCommandError
+
+
+class register(orig.register):
+    """Formerly used to register packages on PyPI."""
+
+    def run(self):
+        msg = (
+            "The register command has been removed, use twine to upload "
+            + "instead (https://pypi.org/p/twine)"
+        )
+
+        self.announce("ERROR: " + msg, log.ERROR)
+
+        raise RemovedCommandError(msg)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/rotate.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/rotate.py
new file mode 100644
index 00000000..74795ba9
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/rotate.py
@@ -0,0 +1,64 @@
+from distutils.util import convert_path
+from distutils import log
+from distutils.errors import DistutilsOptionError
+import os
+import shutil
+
+from setuptools import Command
+
+
+class rotate(Command):
+    """Delete older distributions"""
+
+    description = "delete older distributions, keeping N newest files"
+    user_options = [
+        ('match=', 'm', "patterns to match (required)"),
+        ('dist-dir=', 'd', "directory where the distributions are"),
+        ('keep=', 'k', "number of matching distributions to keep"),
+    ]
+
+    boolean_options = []
+
+    def initialize_options(self):
+        self.match = None
+        self.dist_dir = None
+        self.keep = None
+
+    def finalize_options(self):
+        if self.match is None:
+            raise DistutilsOptionError(
+                "Must specify one or more (comma-separated) match patterns "
+                "(e.g. '.zip' or '.egg')"
+            )
+        if self.keep is None:
+            raise DistutilsOptionError("Must specify number of files to keep")
+        try:
+            self.keep = int(self.keep)
+        except ValueError as e:
+            raise DistutilsOptionError("--keep must be an integer") from e
+        if isinstance(self.match, str):
+            self.match = [
+                convert_path(p.strip()) for p in self.match.split(',')
+            ]
+        self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))
+
+    def run(self):
+        self.run_command("egg_info")
+        from glob import glob
+
+        for pattern in self.match:
+            pattern = self.distribution.get_name() + '*' + pattern
+            files = glob(os.path.join(self.dist_dir, pattern))
+            files = [(os.path.getmtime(f), f) for f in files]
+            files.sort()
+            files.reverse()
+
+            log.info("%d file(s) matching %s", len(files), pattern)
+            files = files[self.keep:]
+            for (t, f) in files:
+                log.info("Deleting %s", f)
+                if not self.dry_run:
+                    if os.path.isdir(f):
+                        shutil.rmtree(f)
+                    else:
+                        os.unlink(f)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/saveopts.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/saveopts.py
new file mode 100644
index 00000000..611cec55
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/saveopts.py
@@ -0,0 +1,22 @@
+from setuptools.command.setopt import edit_config, option_base
+
+
+class saveopts(option_base):
+    """Save command-line options to a file"""
+
+    description = "save supplied options to setup.cfg or other config file"
+
+    def run(self):
+        dist = self.distribution
+        settings = {}
+
+        for cmd in dist.command_options:
+
+            if cmd == 'saveopts':
+                continue  # don't save our own options!
+
+            for opt, (src, val) in dist.get_option_dict(cmd).items():
+                if src == "command line":
+                    settings.setdefault(cmd, {})[opt] = val
+
+        edit_config(self.filename, settings, self.dry_run)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/sdist.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/sdist.py
new file mode 100644
index 00000000..4a8cde7e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/sdist.py
@@ -0,0 +1,210 @@
+from distutils import log
+import distutils.command.sdist as orig
+import os
+import sys
+import io
+import contextlib
+from itertools import chain
+
+from .py36compat import sdist_add_defaults
+
+from .._importlib import metadata
+from .build import _ORIGINAL_SUBCOMMANDS
+
+_default_revctrl = list
+
+
+def walk_revctrl(dirname=''):
+    """Find all files under revision control"""
+    for ep in metadata.entry_points(group='setuptools.file_finders'):
+        for item in ep.load()(dirname):
+            yield item
+
+
+class sdist(sdist_add_defaults, orig.sdist):
+    """Smart sdist that finds anything supported by revision control"""
+
+    user_options = [
+        ('formats=', None,
+         "formats for source distribution (comma-separated list)"),
+        ('keep-temp', 'k',
+         "keep the distribution tree around after creating " +
+         "archive file(s)"),
+        ('dist-dir=', 'd',
+         "directory to put the source distribution archive(s) in "
+         "[default: dist]"),
+        ('owner=', 'u',
+         "Owner name used when creating a tar file [default: current user]"),
+        ('group=', 'g',
+         "Group name used when creating a tar file [default: current group]"),
+    ]
+
+    negative_opt = {}
+
+    README_EXTENSIONS = ['', '.rst', '.txt', '.md']
+    READMES = tuple('README{0}'.format(ext) for ext in README_EXTENSIONS)
+
+    def run(self):
+        self.run_command('egg_info')
+        ei_cmd = self.get_finalized_command('egg_info')
+        self.filelist = ei_cmd.filelist
+        self.filelist.append(os.path.join(ei_cmd.egg_info, 'SOURCES.txt'))
+        self.check_readme()
+
+        # Run sub commands
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        self.make_distribution()
+
+        dist_files = getattr(self.distribution, 'dist_files', [])
+        for file in self.archive_files:
+            data = ('sdist', '', file)
+            if data not in dist_files:
+                dist_files.append(data)
+
+    def initialize_options(self):
+        orig.sdist.initialize_options(self)
+
+        self._default_to_gztar()
+
+    def _default_to_gztar(self):
+        # only needed on Python prior to 3.6.
+        if sys.version_info >= (3, 6, 0, 'beta', 1):
+            return
+        self.formats = ['gztar']
+
+    def make_distribution(self):
+        """
+        Workaround for #516
+        """
+        with self._remove_os_link():
+            orig.sdist.make_distribution(self)
+
+    @staticmethod
+    @contextlib.contextmanager
+    def _remove_os_link():
+        """
+        In a context, remove and restore os.link if it exists
+        """
+
+        class NoValue:
+            pass
+
+        orig_val = getattr(os, 'link', NoValue)
+        try:
+            del os.link
+        except Exception:
+            pass
+        try:
+            yield
+        finally:
+            if orig_val is not NoValue:
+                setattr(os, 'link', orig_val)
+
+    def add_defaults(self):
+        super().add_defaults()
+        self._add_defaults_build_sub_commands()
+
+    def _add_defaults_optional(self):
+        super()._add_defaults_optional()
+        if os.path.isfile('pyproject.toml'):
+            self.filelist.append('pyproject.toml')
+
+    def _add_defaults_python(self):
+        """getting python files"""
+        if self.distribution.has_pure_modules():
+            build_py = self.get_finalized_command('build_py')
+            self.filelist.extend(build_py.get_source_files())
+            self._add_data_files(self._safe_data_files(build_py))
+
+    def _add_defaults_build_sub_commands(self):
+        build = self.get_finalized_command("build")
+        missing_cmds = set(build.get_sub_commands()) - _ORIGINAL_SUBCOMMANDS
+        # ^-- the original built-in sub-commands are already handled by default.
+        cmds = (self.get_finalized_command(c) for c in missing_cmds)
+        files = (c.get_source_files() for c in cmds if hasattr(c, "get_source_files"))
+        self.filelist.extend(chain.from_iterable(files))
+
+    def _safe_data_files(self, build_py):
+        """
+        Since the ``sdist`` class is also used to compute the MANIFEST
+        (via :obj:`setuptools.command.egg_info.manifest_maker`),
+        there might be recursion problems when trying to obtain the list of
+        data_files and ``include_package_data=True`` (which in turn depends on
+        the files included in the MANIFEST).
+
+        To avoid that, ``manifest_maker`` should be able to overwrite this
+        method and avoid recursive attempts to build/analyze the MANIFEST.
+        """
+        return build_py.data_files
+
+    def _add_data_files(self, data_files):
+        """
+        Add data files as found in build_py.data_files.
+        """
+        self.filelist.extend(
+            os.path.join(src_dir, name)
+            for _, src_dir, _, filenames in data_files
+            for name in filenames
+        )
+
+    def _add_defaults_data_files(self):
+        try:
+            super()._add_defaults_data_files()
+        except TypeError:
+            log.warn("data_files contains unexpected objects")
+
+    def check_readme(self):
+        for f in self.READMES:
+            if os.path.exists(f):
+                return
+        else:
+            self.warn(
+                "standard file not found: should have one of " +
+                ', '.join(self.READMES)
+            )
+
+    def make_release_tree(self, base_dir, files):
+        orig.sdist.make_release_tree(self, base_dir, files)
+
+        # Save any egg_info command line options used to create this sdist
+        dest = os.path.join(base_dir, 'setup.cfg')
+        if hasattr(os, 'link') and os.path.exists(dest):
+            # unlink and re-copy, since it might be hard-linked, and
+            # we don't want to change the source version
+            os.unlink(dest)
+            self.copy_file('setup.cfg', dest)
+
+        self.get_finalized_command('egg_info').save_version_info(dest)
+
+    def _manifest_is_not_generated(self):
+        # check for special comment used in 2.7.1 and higher
+        if not os.path.isfile(self.manifest):
+            return False
+
+        with io.open(self.manifest, 'rb') as fp:
+            first_line = fp.readline()
+        return (first_line !=
+                '# file GENERATED by distutils, do NOT edit\n'.encode())
+
+    def read_manifest(self):
+        """Read the manifest file (named by 'self.manifest') and use it to
+        fill in 'self.filelist', the list of files to include in the source
+        distribution.
+        """
+        log.info("reading manifest file '%s'", self.manifest)
+        manifest = open(self.manifest, 'rb')
+        for line in manifest:
+            # The manifest must contain UTF-8. See #303.
+            try:
+                line = line.decode('UTF-8')
+            except UnicodeDecodeError:
+                log.warn("%r not UTF-8 decodable -- skipping" % line)
+                continue
+            # ignore comments and blank lines
+            line = line.strip()
+            if line.startswith('#') or not line:
+                continue
+            self.filelist.append(line)
+        manifest.close()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/setopt.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/setopt.py
new file mode 100644
index 00000000..6358c045
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/setopt.py
@@ -0,0 +1,149 @@
+from distutils.util import convert_path
+from distutils import log
+from distutils.errors import DistutilsOptionError
+import distutils
+import os
+import configparser
+
+from setuptools import Command
+
+__all__ = ['config_file', 'edit_config', 'option_base', 'setopt']
+
+
+def config_file(kind="local"):
+    """Get the filename of the distutils, local, global, or per-user config
+
+    `kind` must be one of "local", "global", or "user"
+    """
+    if kind == 'local':
+        return 'setup.cfg'
+    if kind == 'global':
+        return os.path.join(
+            os.path.dirname(distutils.__file__), 'distutils.cfg'
+        )
+    if kind == 'user':
+        dot = os.name == 'posix' and '.' or ''
+        return os.path.expanduser(convert_path("~/%spydistutils.cfg" % dot))
+    raise ValueError(
+        "config_file() type must be 'local', 'global', or 'user'", kind
+    )
+
+
+def edit_config(filename, settings, dry_run=False):
+    """Edit a configuration file to include `settings`
+
+    `settings` is a dictionary of dictionaries or ``None`` values, keyed by
+    command/section name.  A ``None`` value means to delete the entire section,
+    while a dictionary lists settings to be changed or deleted in that section.
+    A setting of ``None`` means to delete that setting.
+    """
+    log.debug("Reading configuration from %s", filename)
+    opts = configparser.RawConfigParser()
+    opts.optionxform = lambda x: x
+    opts.read([filename])
+    for section, options in settings.items():
+        if options is None:
+            log.info("Deleting section [%s] from %s", section, filename)
+            opts.remove_section(section)
+        else:
+            if not opts.has_section(section):
+                log.debug("Adding new section [%s] to %s", section, filename)
+                opts.add_section(section)
+            for option, value in options.items():
+                if value is None:
+                    log.debug(
+                        "Deleting %s.%s from %s",
+                        section, option, filename
+                    )
+                    opts.remove_option(section, option)
+                    if not opts.options(section):
+                        log.info("Deleting empty [%s] section from %s",
+                                 section, filename)
+                        opts.remove_section(section)
+                else:
+                    log.debug(
+                        "Setting %s.%s to %r in %s",
+                        section, option, value, filename
+                    )
+                    opts.set(section, option, value)
+
+    log.info("Writing %s", filename)
+    if not dry_run:
+        with open(filename, 'w') as f:
+            opts.write(f)
+
+
+class option_base(Command):
+    """Abstract base class for commands that mess with config files"""
+
+    user_options = [
+        ('global-config', 'g',
+         "save options to the site-wide distutils.cfg file"),
+        ('user-config', 'u',
+         "save options to the current user's pydistutils.cfg file"),
+        ('filename=', 'f',
+         "configuration file to use (default=setup.cfg)"),
+    ]
+
+    boolean_options = [
+        'global-config', 'user-config',
+    ]
+
+    def initialize_options(self):
+        self.global_config = None
+        self.user_config = None
+        self.filename = None
+
+    def finalize_options(self):
+        filenames = []
+        if self.global_config:
+            filenames.append(config_file('global'))
+        if self.user_config:
+            filenames.append(config_file('user'))
+        if self.filename is not None:
+            filenames.append(self.filename)
+        if not filenames:
+            filenames.append(config_file('local'))
+        if len(filenames) > 1:
+            raise DistutilsOptionError(
+                "Must specify only one configuration file option",
+                filenames
+            )
+        self.filename, = filenames
+
+
+class setopt(option_base):
+    """Save command-line options to a file"""
+
+    description = "set an option in setup.cfg or another config file"
+
+    user_options = [
+        ('command=', 'c', 'command to set an option for'),
+        ('option=', 'o', 'option to set'),
+        ('set-value=', 's', 'value of the option'),
+        ('remove', 'r', 'remove (unset) the value'),
+    ] + option_base.user_options
+
+    boolean_options = option_base.boolean_options + ['remove']
+
+    def initialize_options(self):
+        option_base.initialize_options(self)
+        self.command = None
+        self.option = None
+        self.set_value = None
+        self.remove = None
+
+    def finalize_options(self):
+        option_base.finalize_options(self)
+        if self.command is None or self.option is None:
+            raise DistutilsOptionError("Must specify --command *and* --option")
+        if self.set_value is None and not self.remove:
+            raise DistutilsOptionError("Must specify --set-value or --remove")
+
+    def run(self):
+        edit_config(
+            self.filename, {
+                self.command: {self.option.replace('-', '_'): self.set_value}
+            },
+            self.dry_run
+        )
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/test.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/test.py
new file mode 100644
index 00000000..8dde513c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/test.py
@@ -0,0 +1,251 @@
+import os
+import operator
+import sys
+import contextlib
+import itertools
+import unittest
+from distutils.errors import DistutilsError, DistutilsOptionError
+from distutils import log
+from unittest import TestLoader
+
+from pkg_resources import (
+    resource_listdir,
+    resource_exists,
+    normalize_path,
+    working_set,
+    evaluate_marker,
+    add_activation_listener,
+    require,
+)
+from .._importlib import metadata
+from setuptools import Command
+from setuptools.extern.more_itertools import unique_everseen
+from setuptools.extern.jaraco.functools import pass_none
+
+
+class ScanningLoader(TestLoader):
+    def __init__(self):
+        TestLoader.__init__(self)
+        self._visited = set()
+
+    def loadTestsFromModule(self, module, pattern=None):
+        """Return a suite of all tests cases contained in the given module
+
+        If the module is a package, load tests from all the modules in it.
+        If the module has an ``additional_tests`` function, call it and add
+        the return value to the tests.
+        """
+        if module in self._visited:
+            return None
+        self._visited.add(module)
+
+        tests = []
+        tests.append(TestLoader.loadTestsFromModule(self, module))
+
+        if hasattr(module, "additional_tests"):
+            tests.append(module.additional_tests())
+
+        if hasattr(module, '__path__'):
+            for file in resource_listdir(module.__name__, ''):
+                if file.endswith('.py') and file != '__init__.py':
+                    submodule = module.__name__ + '.' + file[:-3]
+                else:
+                    if resource_exists(module.__name__, file + '/__init__.py'):
+                        submodule = module.__name__ + '.' + file
+                    else:
+                        continue
+                tests.append(self.loadTestsFromName(submodule))
+
+        if len(tests) != 1:
+            return self.suiteClass(tests)
+        else:
+            return tests[0]  # don't create a nested suite for only one return
+
+
+# adapted from jaraco.classes.properties:NonDataProperty
+class NonDataProperty:
+    def __init__(self, fget):
+        self.fget = fget
+
+    def __get__(self, obj, objtype=None):
+        if obj is None:
+            return self
+        return self.fget(obj)
+
+
+class test(Command):
+    """Command to run unit tests after in-place build"""
+
+    description = "run unit tests after in-place build (deprecated)"
+
+    user_options = [
+        ('test-module=', 'm', "Run 'test_suite' in specified module"),
+        (
+            'test-suite=',
+            's',
+            "Run single test, case or suite (e.g. 'module.test_suite')",
+        ),
+        ('test-runner=', 'r', "Test runner to use"),
+    ]
+
+    def initialize_options(self):
+        self.test_suite = None
+        self.test_module = None
+        self.test_loader = None
+        self.test_runner = None
+
+    def finalize_options(self):
+
+        if self.test_suite and self.test_module:
+            msg = "You may specify a module or a suite, but not both"
+            raise DistutilsOptionError(msg)
+
+        if self.test_suite is None:
+            if self.test_module is None:
+                self.test_suite = self.distribution.test_suite
+            else:
+                self.test_suite = self.test_module + ".test_suite"
+
+        if self.test_loader is None:
+            self.test_loader = getattr(self.distribution, 'test_loader', None)
+        if self.test_loader is None:
+            self.test_loader = "setuptools.command.test:ScanningLoader"
+        if self.test_runner is None:
+            self.test_runner = getattr(self.distribution, 'test_runner', None)
+
+    @NonDataProperty
+    def test_args(self):
+        return list(self._test_args())
+
+    def _test_args(self):
+        if not self.test_suite:
+            yield 'discover'
+        if self.verbose:
+            yield '--verbose'
+        if self.test_suite:
+            yield self.test_suite
+
+    def with_project_on_sys_path(self, func):
+        """
+        Backward compatibility for project_on_sys_path context.
+        """
+        with self.project_on_sys_path():
+            func()
+
+    @contextlib.contextmanager
+    def project_on_sys_path(self, include_dists=[]):
+        self.run_command('egg_info')
+
+        # Build extensions in-place
+        self.reinitialize_command('build_ext', inplace=1)
+        self.run_command('build_ext')
+
+        ei_cmd = self.get_finalized_command("egg_info")
+
+        old_path = sys.path[:]
+        old_modules = sys.modules.copy()
+
+        try:
+            project_path = normalize_path(ei_cmd.egg_base)
+            sys.path.insert(0, project_path)
+            working_set.__init__()
+            add_activation_listener(lambda dist: dist.activate())
+            require('%s==%s' % (ei_cmd.egg_name, ei_cmd.egg_version))
+            with self.paths_on_pythonpath([project_path]):
+                yield
+        finally:
+            sys.path[:] = old_path
+            sys.modules.clear()
+            sys.modules.update(old_modules)
+            working_set.__init__()
+
+    @staticmethod
+    @contextlib.contextmanager
+    def paths_on_pythonpath(paths):
+        """
+        Add the indicated paths to the head of the PYTHONPATH environment
+        variable so that subprocesses will also see the packages at
+        these paths.
+
+        Do this in a context that restores the value on exit.
+        """
+        nothing = object()
+        orig_pythonpath = os.environ.get('PYTHONPATH', nothing)
+        current_pythonpath = os.environ.get('PYTHONPATH', '')
+        try:
+            prefix = os.pathsep.join(unique_everseen(paths))
+            to_join = filter(None, [prefix, current_pythonpath])
+            new_path = os.pathsep.join(to_join)
+            if new_path:
+                os.environ['PYTHONPATH'] = new_path
+            yield
+        finally:
+            if orig_pythonpath is nothing:
+                os.environ.pop('PYTHONPATH', None)
+            else:
+                os.environ['PYTHONPATH'] = orig_pythonpath
+
+    @staticmethod
+    def install_dists(dist):
+        """
+        Install the requirements indicated by self.distribution and
+        return an iterable of the dists that were built.
+        """
+        ir_d = dist.fetch_build_eggs(dist.install_requires)
+        tr_d = dist.fetch_build_eggs(dist.tests_require or [])
+        er_d = dist.fetch_build_eggs(
+            v
+            for k, v in dist.extras_require.items()
+            if k.startswith(':') and evaluate_marker(k[1:])
+        )
+        return itertools.chain(ir_d, tr_d, er_d)
+
+    def run(self):
+        self.announce(
+            "WARNING: Testing via this command is deprecated and will be "
+            "removed in a future version. Users looking for a generic test "
+            "entry point independent of test runner are encouraged to use "
+            "tox.",
+            log.WARN,
+        )
+
+        installed_dists = self.install_dists(self.distribution)
+
+        cmd = ' '.join(self._argv)
+        if self.dry_run:
+            self.announce('skipping "%s" (dry run)' % cmd)
+            return
+
+        self.announce('running "%s"' % cmd)
+
+        paths = map(operator.attrgetter('location'), installed_dists)
+        with self.paths_on_pythonpath(paths):
+            with self.project_on_sys_path():
+                self.run_tests()
+
+    def run_tests(self):
+        test = unittest.main(
+            None,
+            None,
+            self._argv,
+            testLoader=self._resolve_as_ep(self.test_loader),
+            testRunner=self._resolve_as_ep(self.test_runner),
+            exit=False,
+        )
+        if not test.result.wasSuccessful():
+            msg = 'Test failed: %s' % test.result
+            self.announce(msg, log.ERROR)
+            raise DistutilsError(msg)
+
+    @property
+    def _argv(self):
+        return ['unittest'] + self.test_args
+
+    @staticmethod
+    @pass_none
+    def _resolve_as_ep(val):
+        """
+        Load the indicated attribute value, called, as a as if it were
+        specified as an entry point.
+        """
+        return metadata.EntryPoint(value=val, name=None, group=None).load()()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/upload.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/upload.py
new file mode 100644
index 00000000..ec7f81e2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/upload.py
@@ -0,0 +1,17 @@
+from distutils import log
+from distutils.command import upload as orig
+
+from setuptools.errors import RemovedCommandError
+
+
+class upload(orig.upload):
+    """Formerly used to upload packages to PyPI."""
+
+    def run(self):
+        msg = (
+            "The upload command has been removed, use twine to upload "
+            + "instead (https://pypi.org/p/twine)"
+        )
+
+        self.announce("ERROR: " + msg, log.ERROR)
+        raise RemovedCommandError(msg)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/upload_docs.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/upload_docs.py
new file mode 100644
index 00000000..3263f07f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/command/upload_docs.py
@@ -0,0 +1,213 @@
+# -*- coding: utf-8 -*-
+"""upload_docs
+
+Implements a Distutils 'upload_docs' subcommand (upload documentation to
+sites other than PyPi such as devpi).
+"""
+
+from base64 import standard_b64encode
+from distutils import log
+from distutils.errors import DistutilsOptionError
+import os
+import socket
+import zipfile
+import tempfile
+import shutil
+import itertools
+import functools
+import http.client
+import urllib.parse
+import warnings
+
+from .._importlib import metadata
+from .. import SetuptoolsDeprecationWarning
+
+from .upload import upload
+
+
+def _encode(s):
+    return s.encode('utf-8', 'surrogateescape')
+
+
+class upload_docs(upload):
+    # override the default repository as upload_docs isn't
+    # supported by Warehouse (and won't be).
+    DEFAULT_REPOSITORY = 'https://pypi.python.org/pypi/'
+
+    description = 'Upload documentation to sites other than PyPi such as devpi'
+
+    user_options = [
+        ('repository=', 'r',
+         "url of repository [default: %s]" % upload.DEFAULT_REPOSITORY),
+        ('show-response', None,
+         'display full response text from server'),
+        ('upload-dir=', None, 'directory to upload'),
+    ]
+    boolean_options = upload.boolean_options
+
+    def has_sphinx(self):
+        return bool(
+            self.upload_dir is None
+            and metadata.entry_points(group='distutils.commands', name='build_sphinx')
+        )
+
+    sub_commands = [('build_sphinx', has_sphinx)]
+
+    def initialize_options(self):
+        upload.initialize_options(self)
+        self.upload_dir = None
+        self.target_dir = None
+
+    def finalize_options(self):
+        log.warn(
+            "Upload_docs command is deprecated. Use Read the Docs "
+            "(https://readthedocs.org) instead.")
+        upload.finalize_options(self)
+        if self.upload_dir is None:
+            if self.has_sphinx():
+                build_sphinx = self.get_finalized_command('build_sphinx')
+                self.target_dir = dict(build_sphinx.builder_target_dirs)['html']
+            else:
+                build = self.get_finalized_command('build')
+                self.target_dir = os.path.join(build.build_base, 'docs')
+        else:
+            self.ensure_dirname('upload_dir')
+            self.target_dir = self.upload_dir
+        self.announce('Using upload directory %s' % self.target_dir)
+
+    def create_zipfile(self, filename):
+        zip_file = zipfile.ZipFile(filename, "w")
+        try:
+            self.mkpath(self.target_dir)  # just in case
+            for root, dirs, files in os.walk(self.target_dir):
+                if root == self.target_dir and not files:
+                    tmpl = "no files found in upload directory '%s'"
+                    raise DistutilsOptionError(tmpl % self.target_dir)
+                for name in files:
+                    full = os.path.join(root, name)
+                    relative = root[len(self.target_dir):].lstrip(os.path.sep)
+                    dest = os.path.join(relative, name)
+                    zip_file.write(full, dest)
+        finally:
+            zip_file.close()
+
+    def run(self):
+        warnings.warn(
+            "upload_docs is deprecated and will be removed in a future "
+            "version. Use tools like httpie or curl instead.",
+            SetuptoolsDeprecationWarning,
+        )
+
+        # Run sub commands
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        tmp_dir = tempfile.mkdtemp()
+        name = self.distribution.metadata.get_name()
+        zip_file = os.path.join(tmp_dir, "%s.zip" % name)
+        try:
+            self.create_zipfile(zip_file)
+            self.upload_file(zip_file)
+        finally:
+            shutil.rmtree(tmp_dir)
+
+    @staticmethod
+    def _build_part(item, sep_boundary):
+        key, values = item
+        title = '\nContent-Disposition: form-data; name="%s"' % key
+        # handle multiple entries for the same name
+        if not isinstance(values, list):
+            values = [values]
+        for value in values:
+            if isinstance(value, tuple):
+                title += '; filename="%s"' % value[0]
+                value = value[1]
+            else:
+                value = _encode(value)
+            yield sep_boundary
+            yield _encode(title)
+            yield b"\n\n"
+            yield value
+            if value and value[-1:] == b'\r':
+                yield b'\n'  # write an extra newline (lurve Macs)
+
+    @classmethod
+    def _build_multipart(cls, data):
+        """
+        Build up the MIME payload for the POST data
+        """
+        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
+        sep_boundary = b'\n--' + boundary.encode('ascii')
+        end_boundary = sep_boundary + b'--'
+        end_items = end_boundary, b"\n",
+        builder = functools.partial(
+            cls._build_part,
+            sep_boundary=sep_boundary,
+        )
+        part_groups = map(builder, data.items())
+        parts = itertools.chain.from_iterable(part_groups)
+        body_items = itertools.chain(parts, end_items)
+        content_type = 'multipart/form-data; boundary=%s' % boundary
+        return b''.join(body_items), content_type
+
+    def upload_file(self, filename):
+        with open(filename, 'rb') as f:
+            content = f.read()
+        meta = self.distribution.metadata
+        data = {
+            ':action': 'doc_upload',
+            'name': meta.get_name(),
+            'content': (os.path.basename(filename), content),
+        }
+        # set up the authentication
+        credentials = _encode(self.username + ':' + self.password)
+        credentials = standard_b64encode(credentials).decode('ascii')
+        auth = "Basic " + credentials
+
+        body, ct = self._build_multipart(data)
+
+        msg = "Submitting documentation to %s" % (self.repository)
+        self.announce(msg, log.INFO)
+
+        # build the Request
+        # We can't use urllib2 since we need to send the Basic
+        # auth right with the first request
+        schema, netloc, url, params, query, fragments = \
+            urllib.parse.urlparse(self.repository)
+        assert not params and not query and not fragments
+        if schema == 'http':
+            conn = http.client.HTTPConnection(netloc)
+        elif schema == 'https':
+            conn = http.client.HTTPSConnection(netloc)
+        else:
+            raise AssertionError("unsupported schema " + schema)
+
+        data = ''
+        try:
+            conn.connect()
+            conn.putrequest("POST", url)
+            content_type = ct
+            conn.putheader('Content-type', content_type)
+            conn.putheader('Content-length', str(len(body)))
+            conn.putheader('Authorization', auth)
+            conn.endheaders()
+            conn.send(body)
+        except socket.error as e:
+            self.announce(str(e), log.ERROR)
+            return
+
+        r = conn.getresponse()
+        if r.status == 200:
+            msg = 'Server response (%s): %s' % (r.status, r.reason)
+            self.announce(msg, log.INFO)
+        elif r.status == 301:
+            location = r.getheader('Location')
+            if location is None:
+                location = 'https://pythonhosted.org/%s/' % meta.get_name()
+            msg = 'Upload successful. Visit %s' % location
+            self.announce(msg, log.INFO)
+        else:
+            msg = 'Upload failed (%s): %s' % (r.status, r.reason)
+            self.announce(msg, log.ERROR)
+        if self.show_response:
+            print('-' * 75, r.read(), '-' * 75)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/__init__.py
new file mode 100644
index 00000000..1a5153ad
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/__init__.py
@@ -0,0 +1,35 @@
+"""For backward compatibility, expose main functions from
+``setuptools.config.setupcfg``
+"""
+import warnings
+from functools import wraps
+from textwrap import dedent
+from typing import Callable, TypeVar, cast
+
+from .._deprecation_warning import SetuptoolsDeprecationWarning
+from . import setupcfg
+
+Fn = TypeVar("Fn", bound=Callable)
+
+__all__ = ('parse_configuration', 'read_configuration')
+
+
+def _deprecation_notice(fn: Fn) -> Fn:
+    @wraps(fn)
+    def _wrapper(*args, **kwargs):
+        msg = f"""\
+        As setuptools moves its configuration towards `pyproject.toml`,
+        `{__name__}.{fn.__name__}` became deprecated.
+
+        For the time being, you can use the `{setupcfg.__name__}` module
+        to access a backward compatible API, but this module is provisional
+        and might be removed in the future.
+        """
+        warnings.warn(dedent(msg), SetuptoolsDeprecationWarning, stacklevel=2)
+        return fn(*args, **kwargs)
+
+    return cast(Fn, _wrapper)
+
+
+read_configuration = _deprecation_notice(setupcfg.read_configuration)
+parse_configuration = _deprecation_notice(setupcfg.parse_configuration)
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_apply_pyprojecttoml.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_apply_pyprojecttoml.py
new file mode 100644
index 00000000..8af55616
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_apply_pyprojecttoml.py
@@ -0,0 +1,377 @@
+"""Translation layer between pyproject config and setuptools distribution and
+metadata objects.
+
+The distribution and metadata objects are modeled after (an old version of)
+core metadata, therefore configs in the format specified for ``pyproject.toml``
+need to be processed before being applied.
+
+**PRIVATE MODULE**: API reserved for setuptools internal usage only.
+"""
+import logging
+import os
+import warnings
+from collections.abc import Mapping
+from email.headerregistry import Address
+from functools import partial, reduce
+from itertools import chain
+from types import MappingProxyType
+from typing import (TYPE_CHECKING, Any, Callable, Dict, List, Optional, Set, Tuple,
+                    Type, Union)
+
+from setuptools._deprecation_warning import SetuptoolsDeprecationWarning
+
+if TYPE_CHECKING:
+    from setuptools._importlib import metadata  # noqa
+    from setuptools.dist import Distribution  # noqa
+
+EMPTY: Mapping = MappingProxyType({})  # Immutable dict-like
+_Path = Union[os.PathLike, str]
+_DictOrStr = Union[dict, str]
+_CorrespFn = Callable[["Distribution", Any, _Path], None]
+_Correspondence = Union[str, _CorrespFn]
+
+_logger = logging.getLogger(__name__)
+
+
+def apply(dist: "Distribution", config: dict, filename: _Path) -> "Distribution":
+    """Apply configuration dict read with :func:`read_configuration`"""
+
+    if not config:
+        return dist  # short-circuit unrelated pyproject.toml file
+
+    root_dir = os.path.dirname(filename) or "."
+
+    _apply_project_table(dist, config, root_dir)
+    _apply_tool_table(dist, config, filename)
+
+    current_directory = os.getcwd()
+    os.chdir(root_dir)
+    try:
+        dist._finalize_requires()
+        dist._finalize_license_files()
+    finally:
+        os.chdir(current_directory)
+
+    return dist
+
+
+def _apply_project_table(dist: "Distribution", config: dict, root_dir: _Path):
+    project_table = config.get("project", {}).copy()
+    if not project_table:
+        return  # short-circuit
+
+    _handle_missing_dynamic(dist, project_table)
+    _unify_entry_points(project_table)
+
+    for field, value in project_table.items():
+        norm_key = json_compatible_key(field)
+        corresp = PYPROJECT_CORRESPONDENCE.get(norm_key, norm_key)
+        if callable(corresp):
+            corresp(dist, value, root_dir)
+        else:
+            _set_config(dist, corresp, value)
+
+
+def _apply_tool_table(dist: "Distribution", config: dict, filename: _Path):
+    tool_table = config.get("tool", {}).get("setuptools", {})
+    if not tool_table:
+        return  # short-circuit
+
+    for field, value in tool_table.items():
+        norm_key = json_compatible_key(field)
+
+        if norm_key in TOOL_TABLE_DEPRECATIONS:
+            suggestion = TOOL_TABLE_DEPRECATIONS[norm_key]
+            msg = f"The parameter `{norm_key}` is deprecated, {suggestion}"
+            warnings.warn(msg, SetuptoolsDeprecationWarning)
+
+        norm_key = TOOL_TABLE_RENAMES.get(norm_key, norm_key)
+        _set_config(dist, norm_key, value)
+
+    _copy_command_options(config, dist, filename)
+
+
+def _handle_missing_dynamic(dist: "Distribution", project_table: dict):
+    """Be temporarily forgiving with ``dynamic`` fields not listed in ``dynamic``"""
+    # TODO: Set fields back to `None` once the feature stabilizes
+    dynamic = set(project_table.get("dynamic", []))
+    for field, getter in _PREVIOUSLY_DEFINED.items():
+        if not (field in project_table or field in dynamic):
+            value = getter(dist)
+            if value:
+                msg = _WouldIgnoreField.message(field, value)
+                warnings.warn(msg, _WouldIgnoreField)
+
+
+def json_compatible_key(key: str) -> str:
+    """As defined in :pep:`566#json-compatible-metadata`"""
+    return key.lower().replace("-", "_")
+
+
+def _set_config(dist: "Distribution", field: str, value: Any):
+    setter = getattr(dist.metadata, f"set_{field}", None)
+    if setter:
+        setter(value)
+    elif hasattr(dist.metadata, field) or field in SETUPTOOLS_PATCHES:
+        setattr(dist.metadata, field, value)
+    else:
+        setattr(dist, field, value)
+
+
+_CONTENT_TYPES = {
+    ".md": "text/markdown",
+    ".rst": "text/x-rst",
+    ".txt": "text/plain",
+}
+
+
+def _guess_content_type(file: str) -> Optional[str]:
+    _, ext = os.path.splitext(file.lower())
+    if not ext:
+        return None
+
+    if ext in _CONTENT_TYPES:
+        return _CONTENT_TYPES[ext]
+
+    valid = ", ".join(f"{k} ({v})" for k, v in _CONTENT_TYPES.items())
+    msg = f"only the following file extensions are recognized: {valid}."
+    raise ValueError(f"Undefined content type for {file}, {msg}")
+
+
+def _long_description(dist: "Distribution", val: _DictOrStr, root_dir: _Path):
+    from setuptools.config import expand
+
+    if isinstance(val, str):
+        text = expand.read_files(val, root_dir)
+        ctype = _guess_content_type(val)
+    else:
+        text = val.get("text") or expand.read_files(val.get("file", []), root_dir)
+        ctype = val["content-type"]
+
+    _set_config(dist, "long_description", text)
+    if ctype:
+        _set_config(dist, "long_description_content_type", ctype)
+
+
+def _license(dist: "Distribution", val: dict, root_dir: _Path):
+    from setuptools.config import expand
+
+    if "file" in val:
+        _set_config(dist, "license", expand.read_files([val["file"]], root_dir))
+    else:
+        _set_config(dist, "license", val["text"])
+
+
+def _people(dist: "Distribution", val: List[dict], _root_dir: _Path, kind: str):
+    field = []
+    email_field = []
+    for person in val:
+        if "name" not in person:
+            email_field.append(person["email"])
+        elif "email" not in person:
+            field.append(person["name"])
+        else:
+            addr = Address(display_name=person["name"], addr_spec=person["email"])
+            email_field.append(str(addr))
+
+    if field:
+        _set_config(dist, kind, ", ".join(field))
+    if email_field:
+        _set_config(dist, f"{kind}_email", ", ".join(email_field))
+
+
+def _project_urls(dist: "Distribution", val: dict, _root_dir):
+    _set_config(dist, "project_urls", val)
+
+
+def _python_requires(dist: "Distribution", val: dict, _root_dir):
+    from setuptools.extern.packaging.specifiers import SpecifierSet
+
+    _set_config(dist, "python_requires", SpecifierSet(val))
+
+
+def _dependencies(dist: "Distribution", val: list, _root_dir):
+    if getattr(dist, "install_requires", []):
+        msg = "`install_requires` overwritten in `pyproject.toml` (dependencies)"
+        warnings.warn(msg)
+    _set_config(dist, "install_requires", val)
+
+
+def _optional_dependencies(dist: "Distribution", val: dict, _root_dir):
+    existing = getattr(dist, "extras_require", {})
+    _set_config(dist, "extras_require", {**existing, **val})
+
+
+def _unify_entry_points(project_table: dict):
+    project = project_table
+    entry_points = project.pop("entry-points", project.pop("entry_points", {}))
+    renaming = {"scripts": "console_scripts", "gui_scripts": "gui_scripts"}
+    for key, value in list(project.items()):  # eager to allow modifications
+        norm_key = json_compatible_key(key)
+        if norm_key in renaming and value:
+            entry_points[renaming[norm_key]] = project.pop(key)
+
+    if entry_points:
+        project["entry-points"] = {
+            name: [f"{k} = {v}" for k, v in group.items()]
+            for name, group in entry_points.items()
+        }
+
+
+def _copy_command_options(pyproject: dict, dist: "Distribution", filename: _Path):
+    tool_table = pyproject.get("tool", {})
+    cmdclass = tool_table.get("setuptools", {}).get("cmdclass", {})
+    valid_options = _valid_command_options(cmdclass)
+
+    cmd_opts = dist.command_options
+    for cmd, config in pyproject.get("tool", {}).get("distutils", {}).items():
+        cmd = json_compatible_key(cmd)
+        valid = valid_options.get(cmd, set())
+        cmd_opts.setdefault(cmd, {})
+        for key, value in config.items():
+            key = json_compatible_key(key)
+            cmd_opts[cmd][key] = (str(filename), value)
+            if key not in valid:
+                # To avoid removing options that are specified dynamically we
+                # just log a warn...
+                _logger.warning(f"Command option {cmd}.{key} is not defined")
+
+
+def _valid_command_options(cmdclass: Mapping = EMPTY) -> Dict[str, Set[str]]:
+    from .._importlib import metadata
+    from setuptools.dist import Distribution
+
+    valid_options = {"global": _normalise_cmd_options(Distribution.global_options)}
+
+    unloaded_entry_points = metadata.entry_points(group='distutils.commands')
+    loaded_entry_points = (_load_ep(ep) for ep in unloaded_entry_points)
+    entry_points = (ep for ep in loaded_entry_points if ep)
+    for cmd, cmd_class in chain(entry_points, cmdclass.items()):
+        opts = valid_options.get(cmd, set())
+        opts = opts | _normalise_cmd_options(getattr(cmd_class, "user_options", []))
+        valid_options[cmd] = opts
+
+    return valid_options
+
+
+def _load_ep(ep: "metadata.EntryPoint") -> Optional[Tuple[str, Type]]:
+    # Ignore all the errors
+    try:
+        return (ep.name, ep.load())
+    except Exception as ex:
+        msg = f"{ex.__class__.__name__} while trying to load entry-point {ep.name}"
+        _logger.warning(f"{msg}: {ex}")
+        return None
+
+
+def _normalise_cmd_option_key(name: str) -> str:
+    return json_compatible_key(name).strip("_=")
+
+
+def _normalise_cmd_options(desc: List[Tuple[str, Optional[str], str]]) -> Set[str]:
+    return {_normalise_cmd_option_key(fancy_option[0]) for fancy_option in desc}
+
+
+def _attrgetter(attr):
+    """
+    Similar to ``operator.attrgetter`` but returns None if ``attr`` is not found
+    >>> from types import SimpleNamespace
+    >>> obj = SimpleNamespace(a=42, b=SimpleNamespace(c=13))
+    >>> _attrgetter("a")(obj)
+    42
+    >>> _attrgetter("b.c")(obj)
+    13
+    >>> _attrgetter("d")(obj) is None
+    True
+    """
+    return partial(reduce, lambda acc, x: getattr(acc, x, None), attr.split("."))
+
+
+def _some_attrgetter(*items):
+    """
+    Return the first "truth-y" attribute or None
+    >>> from types import SimpleNamespace
+    >>> obj = SimpleNamespace(a=42, b=SimpleNamespace(c=13))
+    >>> _some_attrgetter("d", "a", "b.c")(obj)
+    42
+    >>> _some_attrgetter("d", "e", "b.c", "a")(obj)
+    13
+    >>> _some_attrgetter("d", "e", "f")(obj) is None
+    True
+    """
+    def _acessor(obj):
+        values = (_attrgetter(i)(obj) for i in items)
+        return next((i for i in values if i is not None), None)
+    return _acessor
+
+
+PYPROJECT_CORRESPONDENCE: Dict[str, _Correspondence] = {
+    "readme": _long_description,
+    "license": _license,
+    "authors": partial(_people, kind="author"),
+    "maintainers": partial(_people, kind="maintainer"),
+    "urls": _project_urls,
+    "dependencies": _dependencies,
+    "optional_dependencies": _optional_dependencies,
+    "requires_python": _python_requires,
+}
+
+TOOL_TABLE_RENAMES = {"script_files": "scripts"}
+TOOL_TABLE_DEPRECATIONS = {
+    "namespace_packages": "consider using implicit namespaces instead (PEP 420)."
+}
+
+SETUPTOOLS_PATCHES = {"long_description_content_type", "project_urls",
+                      "provides_extras", "license_file", "license_files"}
+
+_PREVIOUSLY_DEFINED = {
+    "name": _attrgetter("metadata.name"),
+    "version": _attrgetter("metadata.version"),
+    "description": _attrgetter("metadata.description"),
+    "readme": _attrgetter("metadata.long_description"),
+    "requires-python": _some_attrgetter("python_requires", "metadata.python_requires"),
+    "license": _attrgetter("metadata.license"),
+    "authors": _some_attrgetter("metadata.author", "metadata.author_email"),
+    "maintainers": _some_attrgetter("metadata.maintainer", "metadata.maintainer_email"),
+    "keywords": _attrgetter("metadata.keywords"),
+    "classifiers": _attrgetter("metadata.classifiers"),
+    "urls": _attrgetter("metadata.project_urls"),
+    "entry-points": _attrgetter("entry_points"),
+    "dependencies": _some_attrgetter("_orig_install_requires", "install_requires"),
+    "optional-dependencies": _some_attrgetter("_orig_extras_require", "extras_require"),
+}
+
+
+class _WouldIgnoreField(UserWarning):
+    """Inform users that ``pyproject.toml`` would overwrite previous metadata."""
+
+    MESSAGE = """\
+    {field!r} defined outside of `pyproject.toml` would be ignored.
+    !!\n\n
+    ##########################################################################
+    # configuration would be ignored/result in error due to `pyproject.toml` #
+    ##########################################################################
+
+    The following seems to be defined outside of `pyproject.toml`:
+
+    `{field} = {value!r}`
+
+    According to the spec (see the link below), however, setuptools CANNOT
+    consider this value unless {field!r} is listed as `dynamic`.
+
+    https://packaging.python.org/en/latest/specifications/declaring-project-metadata/
+
+    For the time being, `setuptools` will still consider the given value (as a
+    **transitional** measure), but please note that future releases of setuptools will
+    follow strictly the standard.
+
+    To prevent this warning, you can list {field!r} under `dynamic` or alternatively
+    remove the `[project]` table from your file and rely entirely on other means of
+    configuration.
+    \n\n!!
+    """
+
+    @classmethod
+    def message(cls, field, value):
+        from inspect import cleandoc
+        return cleandoc(cls.MESSAGE.format(field=field, value=value))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/__init__.py
new file mode 100644
index 00000000..dbe6cb4c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/__init__.py
@@ -0,0 +1,34 @@
+from functools import reduce
+from typing import Any, Callable, Dict
+
+from . import formats
+from .error_reporting import detailed_errors, ValidationError
+from .extra_validations import EXTRA_VALIDATIONS
+from .fastjsonschema_exceptions import JsonSchemaException, JsonSchemaValueException
+from .fastjsonschema_validations import validate as _validate
+
+__all__ = [
+    "validate",
+    "FORMAT_FUNCTIONS",
+    "EXTRA_VALIDATIONS",
+    "ValidationError",
+    "JsonSchemaException",
+    "JsonSchemaValueException",
+]
+
+
+FORMAT_FUNCTIONS: Dict[str, Callable[[str], bool]] = {
+    fn.__name__.replace("_", "-"): fn
+    for fn in formats.__dict__.values()
+    if callable(fn) and not fn.__name__.startswith("_")
+}
+
+
+def validate(data: Any) -> bool:
+    """Validate the given ``data`` object using JSON Schema
+    This function raises ``ValidationError`` if ``data`` is invalid.
+    """
+    with detailed_errors():
+        _validate(data, custom_formats=FORMAT_FUNCTIONS)
+    reduce(lambda acc, fn: fn(acc), EXTRA_VALIDATIONS, data)
+    return True
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/error_reporting.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/error_reporting.py
new file mode 100644
index 00000000..f78e4838
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/error_reporting.py
@@ -0,0 +1,318 @@
+import io
+import json
+import logging
+import os
+import re
+from contextlib import contextmanager
+from textwrap import indent, wrap
+from typing import Any, Dict, Iterator, List, Optional, Sequence, Union, cast
+
+from .fastjsonschema_exceptions import JsonSchemaValueException
+
+_logger = logging.getLogger(__name__)
+
+_MESSAGE_REPLACEMENTS = {
+    "must be named by propertyName definition": "keys must be named by",
+    "one of contains definition": "at least one item that matches",
+    " same as const definition:": "",
+    "only specified items": "only items matching the definition",
+}
+
+_SKIP_DETAILS = (
+    "must not be empty",
+    "is always invalid",
+    "must not be there",
+)
+
+_NEED_DETAILS = {"anyOf", "oneOf", "anyOf", "contains", "propertyNames", "not", "items"}
+
+_CAMEL_CASE_SPLITTER = re.compile(r"\W+|([A-Z][^A-Z\W]*)")
+_IDENTIFIER = re.compile(r"^[\w_]+$", re.I)
+
+_TOML_JARGON = {
+    "object": "table",
+    "property": "key",
+    "properties": "keys",
+    "property names": "keys",
+}
+
+
+class ValidationError(JsonSchemaValueException):
+    """Report violations of a given JSON schema.
+
+    This class extends :exc:`~fastjsonschema.JsonSchemaValueException`
+    by adding the following properties:
+
+    - ``summary``: an improved version of the ``JsonSchemaValueException`` error message
+      with only the necessary information)
+
+    - ``details``: more contextual information about the error like the failing schema
+      itself and the value that violates the schema.
+
+    Depending on the level of the verbosity of the ``logging`` configuration
+    the exception message will be only ``summary`` (default) or a combination of
+    ``summary`` and ``details`` (when the logging level is set to :obj:`logging.DEBUG`).
+    """
+
+    summary = ""
+    details = ""
+    _original_message = ""
+
+    @classmethod
+    def _from_jsonschema(cls, ex: JsonSchemaValueException):
+        formatter = _ErrorFormatting(ex)
+        obj = cls(str(formatter), ex.value, formatter.name, ex.definition, ex.rule)
+        debug_code = os.getenv("JSONSCHEMA_DEBUG_CODE_GENERATION", "false").lower()
+        if debug_code != "false":  # pragma: no cover
+            obj.__cause__, obj.__traceback__ = ex.__cause__, ex.__traceback__
+        obj._original_message = ex.message
+        obj.summary = formatter.summary
+        obj.details = formatter.details
+        return obj
+
+
+@contextmanager
+def detailed_errors():
+    try:
+        yield
+    except JsonSchemaValueException as ex:
+        raise ValidationError._from_jsonschema(ex) from None
+
+
+class _ErrorFormatting:
+    def __init__(self, ex: JsonSchemaValueException):
+        self.ex = ex
+        self.name = f"`{self._simplify_name(ex.name)}`"
+        self._original_message = self.ex.message.replace(ex.name, self.name)
+        self._summary = ""
+        self._details = ""
+
+    def __str__(self) -> str:
+        if _logger.getEffectiveLevel() <= logging.DEBUG and self.details:
+            return f"{self.summary}\n\n{self.details}"
+
+        return self.summary
+
+    @property
+    def summary(self) -> str:
+        if not self._summary:
+            self._summary = self._expand_summary()
+
+        return self._summary
+
+    @property
+    def details(self) -> str:
+        if not self._details:
+            self._details = self._expand_details()
+
+        return self._details
+
+    def _simplify_name(self, name):
+        x = len("data.")
+        return name[x:] if name.startswith("data.") else name
+
+    def _expand_summary(self):
+        msg = self._original_message
+
+        for bad, repl in _MESSAGE_REPLACEMENTS.items():
+            msg = msg.replace(bad, repl)
+
+        if any(substring in msg for substring in _SKIP_DETAILS):
+            return msg
+
+        schema = self.ex.rule_definition
+        if self.ex.rule in _NEED_DETAILS and schema:
+            summary = _SummaryWriter(_TOML_JARGON)
+            return f"{msg}:\n\n{indent(summary(schema), '    ')}"
+
+        return msg
+
+    def _expand_details(self) -> str:
+        optional = []
+        desc_lines = self.ex.definition.pop("$$description", [])
+        desc = self.ex.definition.pop("description", None) or " ".join(desc_lines)
+        if desc:
+            description = "\n".join(
+                wrap(
+                    desc,
+                    width=80,
+                    initial_indent="    ",
+                    subsequent_indent="    ",
+                    break_long_words=False,
+                )
+            )
+            optional.append(f"DESCRIPTION:\n{description}")
+        schema = json.dumps(self.ex.definition, indent=4)
+        value = json.dumps(self.ex.value, indent=4)
+        defaults = [
+            f"GIVEN VALUE:\n{indent(value, '    ')}",
+            f"OFFENDING RULE: {self.ex.rule!r}",
+            f"DEFINITION:\n{indent(schema, '    ')}",
+        ]
+        return "\n\n".join(optional + defaults)
+
+
+class _SummaryWriter:
+    _IGNORE = {"description", "default", "title", "examples"}
+
+    def __init__(self, jargon: Optional[Dict[str, str]] = None):
+        self.jargon: Dict[str, str] = jargon or {}
+        # Clarify confusing terms
+        self._terms = {
+            "anyOf": "at least one of the following",
+            "oneOf": "exactly one of the following",
+            "allOf": "all of the following",
+            "not": "(*NOT* the following)",
+            "prefixItems": f"{self._jargon('items')} (in order)",
+            "items": "items",
+            "contains": "contains at least one of",
+            "propertyNames": (
+                f"non-predefined acceptable {self._jargon('property names')}"
+            ),
+            "patternProperties": f"{self._jargon('properties')} named via pattern",
+            "const": "predefined value",
+            "enum": "one of",
+        }
+        # Attributes that indicate that the definition is easy and can be done
+        # inline (e.g. string and number)
+        self._guess_inline_defs = [
+            "enum",
+            "const",
+            "maxLength",
+            "minLength",
+            "pattern",
+            "format",
+            "minimum",
+            "maximum",
+            "exclusiveMinimum",
+            "exclusiveMaximum",
+            "multipleOf",
+        ]
+
+    def _jargon(self, term: Union[str, List[str]]) -> Union[str, List[str]]:
+        if isinstance(term, list):
+            return [self.jargon.get(t, t) for t in term]
+        return self.jargon.get(term, term)
+
+    def __call__(
+        self,
+        schema: Union[dict, List[dict]],
+        prefix: str = "",
+        *,
+        _path: Sequence[str] = (),
+    ) -> str:
+        if isinstance(schema, list):
+            return self._handle_list(schema, prefix, _path)
+
+        filtered = self._filter_unecessary(schema, _path)
+        simple = self._handle_simple_dict(filtered, _path)
+        if simple:
+            return f"{prefix}{simple}"
+
+        child_prefix = self._child_prefix(prefix, "  ")
+        item_prefix = self._child_prefix(prefix, "- ")
+        indent = len(prefix) * " "
+        with io.StringIO() as buffer:
+            for i, (key, value) in enumerate(filtered.items()):
+                child_path = [*_path, key]
+                line_prefix = prefix if i == 0 else indent
+                buffer.write(f"{line_prefix}{self._label(child_path)}:")
+                # ^  just the first item should receive the complete prefix
+                if isinstance(value, dict):
+                    filtered = self._filter_unecessary(value, child_path)
+                    simple = self._handle_simple_dict(filtered, child_path)
+                    buffer.write(
+                        f" {simple}"
+                        if simple
+                        else f"\n{self(value, child_prefix, _path=child_path)}"
+                    )
+                elif isinstance(value, list) and (
+                    key != "type" or self._is_property(child_path)
+                ):
+                    children = self._handle_list(value, item_prefix, child_path)
+                    sep = " " if children.startswith("[") else "\n"
+                    buffer.write(f"{sep}{children}")
+                else:
+                    buffer.write(f" {self._value(value, child_path)}\n")
+            return buffer.getvalue()
+
+    def _is_unecessary(self, path: Sequence[str]) -> bool:
+        if self._is_property(path) or not path:  # empty path => instruction @ root
+            return False
+        key = path[-1]
+        return any(key.startswith(k) for k in "$_") or key in self._IGNORE
+
+    def _filter_unecessary(self, schema: dict, path: Sequence[str]):
+        return {
+            key: value
+            for key, value in schema.items()
+            if not self._is_unecessary([*path, key])
+        }
+
+    def _handle_simple_dict(self, value: dict, path: Sequence[str]) -> Optional[str]:
+        inline = any(p in value for p in self._guess_inline_defs)
+        simple = not any(isinstance(v, (list, dict)) for v in value.values())
+        if inline or simple:
+            return f"{{{', '.join(self._inline_attrs(value, path))}}}\n"
+        return None
+
+    def _handle_list(
+        self, schemas: list, prefix: str = "", path: Sequence[str] = ()
+    ) -> str:
+        if self._is_unecessary(path):
+            return ""
+
+        repr_ = repr(schemas)
+        if all(not isinstance(e, (dict, list)) for e in schemas) and len(repr_) < 60:
+            return f"{repr_}\n"
+
+        item_prefix = self._child_prefix(prefix, "- ")
+        return "".join(
+            self(v, item_prefix, _path=[*path, f"[{i}]"]) for i, v in enumerate(schemas)
+        )
+
+    def _is_property(self, path: Sequence[str]):
+        """Check if the given path can correspond to an arbitrarily named property"""
+        counter = 0
+        for key in path[-2::-1]:
+            if key not in {"properties", "patternProperties"}:
+                break
+            counter += 1
+
+        # If the counter if even, the path correspond to a JSON Schema keyword
+        # otherwise it can be any arbitrary string naming a property
+        return counter % 2 == 1
+
+    def _label(self, path: Sequence[str]) -> str:
+        *parents, key = path
+        if not self._is_property(path):
+            norm_key = _separate_terms(key)
+            return self._terms.get(key) or " ".join(self._jargon(norm_key))
+
+        if parents[-1] == "patternProperties":
+            return f"(regex {key!r})"
+        return repr(key)  # property name
+
+    def _value(self, value: Any, path: Sequence[str]) -> str:
+        if path[-1] == "type" and not self._is_property(path):
+            type_ = self._jargon(value)
+            return (
+                f"[{', '.join(type_)}]" if isinstance(value, list) else cast(str, type_)
+            )
+        return repr(value)
+
+    def _inline_attrs(self, schema: dict, path: Sequence[str]) -> Iterator[str]:
+        for key, value in schema.items():
+            child_path = [*path, key]
+            yield f"{self._label(child_path)}: {self._value(value, child_path)}"
+
+    def _child_prefix(self, parent_prefix: str, child_prefix: str) -> str:
+        return len(parent_prefix) * " " + child_prefix
+
+
+def _separate_terms(word: str) -> List[str]:
+    """
+    >>> _separate_terms("FooBar-foo")
+    ['foo', 'bar', 'foo']
+    """
+    return [w.lower() for w in _CAMEL_CASE_SPLITTER.split(word) if w]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/extra_validations.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/extra_validations.py
new file mode 100644
index 00000000..4130a421
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/extra_validations.py
@@ -0,0 +1,36 @@
+"""The purpose of this module is implement PEP 621 validations that are
+difficult to express as a JSON Schema (or that are not supported by the current
+JSON Schema library).
+"""
+
+from typing import Mapping, TypeVar
+
+from .error_reporting import ValidationError
+
+T = TypeVar("T", bound=Mapping)
+
+
+class RedefiningStaticFieldAsDynamic(ValidationError):
+    """According to PEP 621:
+
+    Build back-ends MUST raise an error if the metadata specifies a field
+    statically as well as being listed in dynamic.
+    """
+
+
+def validate_project_dynamic(pyproject: T) -> T:
+    project_table = pyproject.get("project", {})
+    dynamic = project_table.get("dynamic", [])
+
+    for field in dynamic:
+        if field in project_table:
+            msg = f"You cannot provide a value for `project.{field}` and "
+            msg += "list it under `project.dynamic` at the same time"
+            name = f"data.project.{field}"
+            value = {field: project_table[field], "...": " # ...", "dynamic": dynamic}
+            raise RedefiningStaticFieldAsDynamic(msg, value, name, rule="PEP 621")
+
+    return pyproject
+
+
+EXTRA_VALIDATIONS = (validate_project_dynamic,)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/fastjsonschema_exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/fastjsonschema_exceptions.py
new file mode 100644
index 00000000..d2dddd6a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/fastjsonschema_exceptions.py
@@ -0,0 +1,51 @@
+import re
+
+
+SPLIT_RE = re.compile(r'[\.\[\]]+')
+
+
+class JsonSchemaException(ValueError):
+    """
+    Base exception of ``fastjsonschema`` library.
+    """
+
+
+class JsonSchemaValueException(JsonSchemaException):
+    """
+    Exception raised by validation function. Available properties:
+
+     * ``message`` containing human-readable information what is wrong (e.g. ``data.property[index] must be smaller than or equal to 42``),
+     * invalid ``value`` (e.g. ``60``),
+     * ``name`` of a path in the data structure (e.g. ``data.property[index]``),
+     * ``path`` as an array in the data structure (e.g. ``['data', 'property', 'index']``),
+     * the whole ``definition`` which the ``value`` has to fulfil (e.g. ``{'type': 'number', 'maximum': 42}``),
+     * ``rule`` which the ``value`` is breaking (e.g. ``maximum``)
+     * and ``rule_definition`` (e.g. ``42``).
+
+    .. versionchanged:: 2.14.0
+        Added all extra properties.
+    """
+
+    def __init__(self, message, value=None, name=None, definition=None, rule=None):
+        super().__init__(message)
+        self.message = message
+        self.value = value
+        self.name = name
+        self.definition = definition
+        self.rule = rule
+
+    @property
+    def path(self):
+        return [item for item in SPLIT_RE.split(self.name) if item != '']
+
+    @property
+    def rule_definition(self):
+        if not self.rule or not self.definition:
+            return None
+        return self.definition.get(self.rule)
+
+
+class JsonSchemaDefinitionException(JsonSchemaException):
+    """
+    Exception raised by generator of validation function.
+    """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/fastjsonschema_validations.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/fastjsonschema_validations.py
new file mode 100644
index 00000000..ad5ee31e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/fastjsonschema_validations.py
@@ -0,0 +1,1035 @@
+# noqa
+# type: ignore
+# flake8: noqa
+# pylint: skip-file
+# mypy: ignore-errors
+# yapf: disable
+# pylama:skip=1
+
+
+# *** PLEASE DO NOT MODIFY DIRECTLY: Automatically generated code *** 
+
+
+VERSION = "2.15.3"
+import re
+from .fastjsonschema_exceptions import JsonSchemaValueException
+
+
+REGEX_PATTERNS = {
+    '^.*$': re.compile('^.*$'),
+    '.+': re.compile('.+'),
+    '^.+$': re.compile('^.+$'),
+    'idn-email_re_pattern': re.compile('^[^@]+@[^@]+\\.[^@]+\\Z')
+}
+
+NoneType = type(None)
+
+def validate(data, custom_formats={}, name_prefix=None):
+    validate_https___packaging_python_org_en_latest_specifications_declaring_build_dependencies(data, custom_formats, (name_prefix or "data") + "")
+    return data
+
+def validate_https___packaging_python_org_en_latest_specifications_declaring_build_dependencies(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-build-dependencies/', 'title': 'Data structure for ``pyproject.toml`` files', '$$description': ['File format containing build-time configurations for the Python ecosystem. ', ':pep:`517` initially defined a build-system independent format for source trees', 'which was complemented by :pep:`518` to provide a way of specifying dependencies ', 'for building Python projects.', 'Please notice the ``project`` table (as initially defined in  :pep:`621`) is not included', 'in this schema and should be considered separately.'], 'type': 'object', 'additionalProperties': False, 'properties': {'build-system': {'type': 'object', 'description': 'Table used to store build-related data', 'additionalProperties': False, 'properties': {'requires': {'type': 'array', '$$description': ['List of dependencies in the :pep:`508` format required to execute the build', 'system. Please notice that the resulting dependency graph', '**MUST NOT contain cycles**'], 'items': {'type': 'string'}}, 'build-backend': {'type': 'string', 'description': 'Python object that will be used to perform the build according to :pep:`517`', 'format': 'pep517-backend-reference'}, 'backend-path': {'type': 'array', '$$description': ['List of directories to be prepended to ``sys.path`` when loading the', 'back-end, and running its hooks'], 'items': {'type': 'string', '$comment': 'Should be a path (TODO: enforce it with format?)'}}}, 'required': ['requires']}, 'project': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-project-metadata/', 'title': 'Package metadata stored in the ``project`` table', '$$description': ['Data structure for the **project** table inside ``pyproject.toml``', '(as initially defined in :pep:`621`)'], 'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, 'version': {'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, 'description': {'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, 'readme': {'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, 'requires-python': {'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, 'license': {'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, 'authors': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, 'maintainers': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, 'keywords': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, 'classifiers': {'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, 'urls': {'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, 'scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create command-line wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.']}, 'gui-scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create GUI wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.', 'The difference between ``scripts`` and ``gui-scripts`` is only relevant in', 'Windows.']}, 'entry-points': {'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$ref': '#/definitions/entry-point-group'}}}, 'dependencies': {'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$ref': '#/definitions/dependency'}}, 'optional-dependencies': {'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$ref': '#/definitions/dependency'}}}}, 'dynamic': {'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}}, 'required': ['name'], 'additionalProperties': False, 'if': {'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, 'then': {'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, 'definitions': {'author': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, 'entry-point-group': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'dependency': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}, 'tool': {'type': 'object', 'properties': {'distutils': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://docs.python.org/3/install/', 'title': '``tool.distutils`` table', '$$description': ['Originally, ``distutils`` allowed developers to configure arguments for', '``setup.py`` scripts via `distutils configuration files', '<https://docs.python.org/3/install/#distutils-configuration-files>`_.', '``tool.distutils`` subtables could be used with the same purpose', '(NOT CURRENTLY IMPLEMENTED).'], 'type': 'object', 'properties': {'global': {'type': 'object', 'description': 'Global options applied to all ``distutils`` commands'}}, 'patternProperties': {'.+': {'type': 'object'}}, '$comment': 'TODO: Is there a practical way of making this schema more specific?'}, 'setuptools': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://setuptools.pypa.io/en/latest/references/keywords.html', 'title': '``tool.setuptools`` table', '$$description': ['Please notice for the time being the ``setuptools`` project does not specify', 'a way of configuring builds via ``pyproject.toml``.', 'Therefore this schema should be taken just as a *"thought experiment"* on how', 'this *might be done*, by following the principles established in', '`ini2toml <https://ini2toml.readthedocs.io/en/latest/setuptools_pep621.html>`_.', 'It considers only ``setuptools`` `parameters', '<https://setuptools.pypa.io/en/latest/userguide/declarative_config.html>`_', 'that can currently be configured via ``setup.cfg`` and are not covered by :pep:`621`', 'but intentionally excludes ``dependency_links`` and ``setup_requires``.', 'NOTE: ``scripts`` was renamed to ``script-files`` to avoid confusion with', 'entry-point based scripts (defined in :pep:`621`).'], 'type': 'object', 'additionalProperties': False, 'properties': {'platforms': {'type': 'array', 'items': {'type': 'string'}}, 'provides': {'$$description': ['Package and virtual package names contained within this package', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'obsoletes': {'$$description': ['Packages which this package renders obsolete', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'zip-safe': {'description': 'Whether the project can be safely installed and run from a zip file.', 'type': 'boolean'}, 'script-files': {'description': 'Legacy way of defining scripts (entry-points are preferred).', 'type': 'array', 'items': {'type': 'string'}, '$comment': 'TODO: is this field deprecated/should be removed?'}, 'eager-resources': {'$$description': ['Resources that should be extracted together, if any of them is needed,', 'or if any C extensions included in the project are imported.'], 'type': 'array', 'items': {'type': 'string'}}, 'packages': {'$$description': ['Packages that should be included in the distribution.', 'It can be given either as a list of package identifiers', 'or as a ``dict``-like structure with a single key ``find``', 'which corresponds to a dynamic call to', '``setuptools.config.expand.find_packages`` function.', 'The ``find`` key is associated with a nested ``dict``-like structure that can', 'contain ``where``, ``include``, ``exclude`` and ``namespaces`` keys,', 'mimicking the keyword arguments of the associated function.'], 'oneOf': [{'title': 'Array of Python package identifiers', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}}, {'$ref': '#/definitions/find-directive'}]}, 'package-dir': {'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, 'package-data': {'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'include-package-data': {'$$description': ['Automatically include any data files inside the package directories', 'that are specified by ``MANIFEST.in``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'boolean'}, 'exclude-package-data': {'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'namespace-packages': {'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'https://setuptools.pypa.io/en/latest/userguide/package_discovery.html'}, 'py-modules': {'description': 'Modules that setuptools will manipulate', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'TODO: clarify the relationship with ``packages``'}, 'data-files': {'$$description': ['**DEPRECATED**: dict-like structure where each key represents a directory and', 'the value is a list of glob patterns that should be installed in them.', "Please notice this don't work with wheels. See `data files support", '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'cmdclass': {'$$description': ['Mapping of distutils-style command names to ``setuptools.Command`` subclasses', 'which in turn should be represented by strings with a qualified class name', '(i.e., "dotted" form with module), e.g.::\n\n', '    cmdclass = {mycmd = "pkg.subpkg.module.CommandClass"}\n\n', 'The command class should be a directly defined at the top-level of the', 'containing module (no class nesting).'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'string', 'format': 'python-qualified-identifier'}}}, 'license-files': {'type': 'array', 'items': {'type': 'string'}, '$$description': ['PROVISIONAL: List of glob patterns for all license files being distributed.', '(might become standard with PEP 639).'], 'default': ['LICEN[CS]E*', ' COPYING*', ' NOTICE*', 'AUTHORS*'], '$comment': 'TODO: revise if PEP 639 is accepted. Probably ``project.license-files``?'}, 'dynamic': {'type': 'object', 'description': 'Instructions for loading :pep:`621`-related metadata dynamically', 'additionalProperties': False, 'properties': {'version': {'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'$ref': '#/definitions/attr-directive'}, {'$ref': '#/definitions/file-directive'}]}, 'classifiers': {'$ref': '#/definitions/file-directive'}, 'description': {'$ref': '#/definitions/file-directive'}, 'dependencies': {'$ref': '#/definitions/file-directive'}, 'entry-points': {'$ref': '#/definitions/file-directive'}, 'optional-dependencies': {'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$ref': '#/definitions/file-directive'}}}, 'readme': {'anyOf': [{'$ref': '#/definitions/file-directive'}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}}}}, 'definitions': {'file-directive': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'attr-directive': {'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, 'find-directive': {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}}}}}}, 'project': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-project-metadata/', 'title': 'Package metadata stored in the ``project`` table', '$$description': ['Data structure for the **project** table inside ``pyproject.toml``', '(as initially defined in :pep:`621`)'], 'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, 'version': {'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, 'description': {'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, 'readme': {'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, 'requires-python': {'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, 'license': {'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, 'authors': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, 'maintainers': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, 'keywords': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, 'classifiers': {'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, 'urls': {'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, 'scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create command-line wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.']}, 'gui-scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create GUI wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.', 'The difference between ``scripts`` and ``gui-scripts`` is only relevant in', 'Windows.']}, 'entry-points': {'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$ref': '#/definitions/entry-point-group'}}}, 'dependencies': {'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$ref': '#/definitions/dependency'}}, 'optional-dependencies': {'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$ref': '#/definitions/dependency'}}}}, 'dynamic': {'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}}, 'required': ['name'], 'additionalProperties': False, 'if': {'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, 'then': {'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, 'definitions': {'author': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, 'entry-point-group': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'dependency': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_keys = set(data.keys())
+        if "build-system" in data_keys:
+            data_keys.remove("build-system")
+            data__buildsystem = data["build-system"]
+            if not isinstance(data__buildsystem, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system must be object", value=data__buildsystem, name="" + (name_prefix or "data") + ".build-system", definition={'type': 'object', 'description': 'Table used to store build-related data', 'additionalProperties': False, 'properties': {'requires': {'type': 'array', '$$description': ['List of dependencies in the :pep:`508` format required to execute the build', 'system. Please notice that the resulting dependency graph', '**MUST NOT contain cycles**'], 'items': {'type': 'string'}}, 'build-backend': {'type': 'string', 'description': 'Python object that will be used to perform the build according to :pep:`517`', 'format': 'pep517-backend-reference'}, 'backend-path': {'type': 'array', '$$description': ['List of directories to be prepended to ``sys.path`` when loading the', 'back-end, and running its hooks'], 'items': {'type': 'string', '$comment': 'Should be a path (TODO: enforce it with format?)'}}}, 'required': ['requires']}, rule='type')
+            data__buildsystem_is_dict = isinstance(data__buildsystem, dict)
+            if data__buildsystem_is_dict:
+                data__buildsystem_len = len(data__buildsystem)
+                if not all(prop in data__buildsystem for prop in ['requires']):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system must contain ['requires'] properties", value=data__buildsystem, name="" + (name_prefix or "data") + ".build-system", definition={'type': 'object', 'description': 'Table used to store build-related data', 'additionalProperties': False, 'properties': {'requires': {'type': 'array', '$$description': ['List of dependencies in the :pep:`508` format required to execute the build', 'system. Please notice that the resulting dependency graph', '**MUST NOT contain cycles**'], 'items': {'type': 'string'}}, 'build-backend': {'type': 'string', 'description': 'Python object that will be used to perform the build according to :pep:`517`', 'format': 'pep517-backend-reference'}, 'backend-path': {'type': 'array', '$$description': ['List of directories to be prepended to ``sys.path`` when loading the', 'back-end, and running its hooks'], 'items': {'type': 'string', '$comment': 'Should be a path (TODO: enforce it with format?)'}}}, 'required': ['requires']}, rule='required')
+                data__buildsystem_keys = set(data__buildsystem.keys())
+                if "requires" in data__buildsystem_keys:
+                    data__buildsystem_keys.remove("requires")
+                    data__buildsystem__requires = data__buildsystem["requires"]
+                    if not isinstance(data__buildsystem__requires, (list, tuple)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system.requires must be array", value=data__buildsystem__requires, name="" + (name_prefix or "data") + ".build-system.requires", definition={'type': 'array', '$$description': ['List of dependencies in the :pep:`508` format required to execute the build', 'system. Please notice that the resulting dependency graph', '**MUST NOT contain cycles**'], 'items': {'type': 'string'}}, rule='type')
+                    data__buildsystem__requires_is_list = isinstance(data__buildsystem__requires, (list, tuple))
+                    if data__buildsystem__requires_is_list:
+                        data__buildsystem__requires_len = len(data__buildsystem__requires)
+                        for data__buildsystem__requires_x, data__buildsystem__requires_item in enumerate(data__buildsystem__requires):
+                            if not isinstance(data__buildsystem__requires_item, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system.requires[{data__buildsystem__requires_x}]".format(**locals()) + " must be string", value=data__buildsystem__requires_item, name="" + (name_prefix or "data") + ".build-system.requires[{data__buildsystem__requires_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                if "build-backend" in data__buildsystem_keys:
+                    data__buildsystem_keys.remove("build-backend")
+                    data__buildsystem__buildbackend = data__buildsystem["build-backend"]
+                    if not isinstance(data__buildsystem__buildbackend, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system.build-backend must be string", value=data__buildsystem__buildbackend, name="" + (name_prefix or "data") + ".build-system.build-backend", definition={'type': 'string', 'description': 'Python object that will be used to perform the build according to :pep:`517`', 'format': 'pep517-backend-reference'}, rule='type')
+                    if isinstance(data__buildsystem__buildbackend, str):
+                        if not custom_formats["pep517-backend-reference"](data__buildsystem__buildbackend):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system.build-backend must be pep517-backend-reference", value=data__buildsystem__buildbackend, name="" + (name_prefix or "data") + ".build-system.build-backend", definition={'type': 'string', 'description': 'Python object that will be used to perform the build according to :pep:`517`', 'format': 'pep517-backend-reference'}, rule='format')
+                if "backend-path" in data__buildsystem_keys:
+                    data__buildsystem_keys.remove("backend-path")
+                    data__buildsystem__backendpath = data__buildsystem["backend-path"]
+                    if not isinstance(data__buildsystem__backendpath, (list, tuple)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system.backend-path must be array", value=data__buildsystem__backendpath, name="" + (name_prefix or "data") + ".build-system.backend-path", definition={'type': 'array', '$$description': ['List of directories to be prepended to ``sys.path`` when loading the', 'back-end, and running its hooks'], 'items': {'type': 'string', '$comment': 'Should be a path (TODO: enforce it with format?)'}}, rule='type')
+                    data__buildsystem__backendpath_is_list = isinstance(data__buildsystem__backendpath, (list, tuple))
+                    if data__buildsystem__backendpath_is_list:
+                        data__buildsystem__backendpath_len = len(data__buildsystem__backendpath)
+                        for data__buildsystem__backendpath_x, data__buildsystem__backendpath_item in enumerate(data__buildsystem__backendpath):
+                            if not isinstance(data__buildsystem__backendpath_item, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system.backend-path[{data__buildsystem__backendpath_x}]".format(**locals()) + " must be string", value=data__buildsystem__backendpath_item, name="" + (name_prefix or "data") + ".build-system.backend-path[{data__buildsystem__backendpath_x}]".format(**locals()) + "", definition={'type': 'string', '$comment': 'Should be a path (TODO: enforce it with format?)'}, rule='type')
+                if data__buildsystem_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".build-system must not contain "+str(data__buildsystem_keys)+" properties", value=data__buildsystem, name="" + (name_prefix or "data") + ".build-system", definition={'type': 'object', 'description': 'Table used to store build-related data', 'additionalProperties': False, 'properties': {'requires': {'type': 'array', '$$description': ['List of dependencies in the :pep:`508` format required to execute the build', 'system. Please notice that the resulting dependency graph', '**MUST NOT contain cycles**'], 'items': {'type': 'string'}}, 'build-backend': {'type': 'string', 'description': 'Python object that will be used to perform the build according to :pep:`517`', 'format': 'pep517-backend-reference'}, 'backend-path': {'type': 'array', '$$description': ['List of directories to be prepended to ``sys.path`` when loading the', 'back-end, and running its hooks'], 'items': {'type': 'string', '$comment': 'Should be a path (TODO: enforce it with format?)'}}}, 'required': ['requires']}, rule='additionalProperties')
+        if "project" in data_keys:
+            data_keys.remove("project")
+            data__project = data["project"]
+            validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata(data__project, custom_formats, (name_prefix or "data") + ".project")
+        if "tool" in data_keys:
+            data_keys.remove("tool")
+            data__tool = data["tool"]
+            if not isinstance(data__tool, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".tool must be object", value=data__tool, name="" + (name_prefix or "data") + ".tool", definition={'type': 'object', 'properties': {'distutils': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://docs.python.org/3/install/', 'title': '``tool.distutils`` table', '$$description': ['Originally, ``distutils`` allowed developers to configure arguments for', '``setup.py`` scripts via `distutils configuration files', '<https://docs.python.org/3/install/#distutils-configuration-files>`_.', '``tool.distutils`` subtables could be used with the same purpose', '(NOT CURRENTLY IMPLEMENTED).'], 'type': 'object', 'properties': {'global': {'type': 'object', 'description': 'Global options applied to all ``distutils`` commands'}}, 'patternProperties': {'.+': {'type': 'object'}}, '$comment': 'TODO: Is there a practical way of making this schema more specific?'}, 'setuptools': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://setuptools.pypa.io/en/latest/references/keywords.html', 'title': '``tool.setuptools`` table', '$$description': ['Please notice for the time being the ``setuptools`` project does not specify', 'a way of configuring builds via ``pyproject.toml``.', 'Therefore this schema should be taken just as a *"thought experiment"* on how', 'this *might be done*, by following the principles established in', '`ini2toml <https://ini2toml.readthedocs.io/en/latest/setuptools_pep621.html>`_.', 'It considers only ``setuptools`` `parameters', '<https://setuptools.pypa.io/en/latest/userguide/declarative_config.html>`_', 'that can currently be configured via ``setup.cfg`` and are not covered by :pep:`621`', 'but intentionally excludes ``dependency_links`` and ``setup_requires``.', 'NOTE: ``scripts`` was renamed to ``script-files`` to avoid confusion with', 'entry-point based scripts (defined in :pep:`621`).'], 'type': 'object', 'additionalProperties': False, 'properties': {'platforms': {'type': 'array', 'items': {'type': 'string'}}, 'provides': {'$$description': ['Package and virtual package names contained within this package', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'obsoletes': {'$$description': ['Packages which this package renders obsolete', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'zip-safe': {'description': 'Whether the project can be safely installed and run from a zip file.', 'type': 'boolean'}, 'script-files': {'description': 'Legacy way of defining scripts (entry-points are preferred).', 'type': 'array', 'items': {'type': 'string'}, '$comment': 'TODO: is this field deprecated/should be removed?'}, 'eager-resources': {'$$description': ['Resources that should be extracted together, if any of them is needed,', 'or if any C extensions included in the project are imported.'], 'type': 'array', 'items': {'type': 'string'}}, 'packages': {'$$description': ['Packages that should be included in the distribution.', 'It can be given either as a list of package identifiers', 'or as a ``dict``-like structure with a single key ``find``', 'which corresponds to a dynamic call to', '``setuptools.config.expand.find_packages`` function.', 'The ``find`` key is associated with a nested ``dict``-like structure that can', 'contain ``where``, ``include``, ``exclude`` and ``namespaces`` keys,', 'mimicking the keyword arguments of the associated function.'], 'oneOf': [{'title': 'Array of Python package identifiers', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}}, {'$ref': '#/definitions/find-directive'}]}, 'package-dir': {'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, 'package-data': {'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'include-package-data': {'$$description': ['Automatically include any data files inside the package directories', 'that are specified by ``MANIFEST.in``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'boolean'}, 'exclude-package-data': {'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'namespace-packages': {'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'https://setuptools.pypa.io/en/latest/userguide/package_discovery.html'}, 'py-modules': {'description': 'Modules that setuptools will manipulate', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'TODO: clarify the relationship with ``packages``'}, 'data-files': {'$$description': ['**DEPRECATED**: dict-like structure where each key represents a directory and', 'the value is a list of glob patterns that should be installed in them.', "Please notice this don't work with wheels. See `data files support", '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'cmdclass': {'$$description': ['Mapping of distutils-style command names to ``setuptools.Command`` subclasses', 'which in turn should be represented by strings with a qualified class name', '(i.e., "dotted" form with module), e.g.::\n\n', '    cmdclass = {mycmd = "pkg.subpkg.module.CommandClass"}\n\n', 'The command class should be a directly defined at the top-level of the', 'containing module (no class nesting).'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'string', 'format': 'python-qualified-identifier'}}}, 'license-files': {'type': 'array', 'items': {'type': 'string'}, '$$description': ['PROVISIONAL: List of glob patterns for all license files being distributed.', '(might become standard with PEP 639).'], 'default': ['LICEN[CS]E*', ' COPYING*', ' NOTICE*', 'AUTHORS*'], '$comment': 'TODO: revise if PEP 639 is accepted. Probably ``project.license-files``?'}, 'dynamic': {'type': 'object', 'description': 'Instructions for loading :pep:`621`-related metadata dynamically', 'additionalProperties': False, 'properties': {'version': {'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'$ref': '#/definitions/attr-directive'}, {'$ref': '#/definitions/file-directive'}]}, 'classifiers': {'$ref': '#/definitions/file-directive'}, 'description': {'$ref': '#/definitions/file-directive'}, 'dependencies': {'$ref': '#/definitions/file-directive'}, 'entry-points': {'$ref': '#/definitions/file-directive'}, 'optional-dependencies': {'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$ref': '#/definitions/file-directive'}}}, 'readme': {'anyOf': [{'$ref': '#/definitions/file-directive'}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}}}}, 'definitions': {'file-directive': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'attr-directive': {'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, 'find-directive': {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}}}}}, rule='type')
+            data__tool_is_dict = isinstance(data__tool, dict)
+            if data__tool_is_dict:
+                data__tool_keys = set(data__tool.keys())
+                if "distutils" in data__tool_keys:
+                    data__tool_keys.remove("distutils")
+                    data__tool__distutils = data__tool["distutils"]
+                    validate_https___docs_python_org_3_install(data__tool__distutils, custom_formats, (name_prefix or "data") + ".tool.distutils")
+                if "setuptools" in data__tool_keys:
+                    data__tool_keys.remove("setuptools")
+                    data__tool__setuptools = data__tool["setuptools"]
+                    validate_https___setuptools_pypa_io_en_latest_references_keywords_html(data__tool__setuptools, custom_formats, (name_prefix or "data") + ".tool.setuptools")
+        if data_keys:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must not contain "+str(data_keys)+" properties", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-build-dependencies/', 'title': 'Data structure for ``pyproject.toml`` files', '$$description': ['File format containing build-time configurations for the Python ecosystem. ', ':pep:`517` initially defined a build-system independent format for source trees', 'which was complemented by :pep:`518` to provide a way of specifying dependencies ', 'for building Python projects.', 'Please notice the ``project`` table (as initially defined in  :pep:`621`) is not included', 'in this schema and should be considered separately.'], 'type': 'object', 'additionalProperties': False, 'properties': {'build-system': {'type': 'object', 'description': 'Table used to store build-related data', 'additionalProperties': False, 'properties': {'requires': {'type': 'array', '$$description': ['List of dependencies in the :pep:`508` format required to execute the build', 'system. Please notice that the resulting dependency graph', '**MUST NOT contain cycles**'], 'items': {'type': 'string'}}, 'build-backend': {'type': 'string', 'description': 'Python object that will be used to perform the build according to :pep:`517`', 'format': 'pep517-backend-reference'}, 'backend-path': {'type': 'array', '$$description': ['List of directories to be prepended to ``sys.path`` when loading the', 'back-end, and running its hooks'], 'items': {'type': 'string', '$comment': 'Should be a path (TODO: enforce it with format?)'}}}, 'required': ['requires']}, 'project': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-project-metadata/', 'title': 'Package metadata stored in the ``project`` table', '$$description': ['Data structure for the **project** table inside ``pyproject.toml``', '(as initially defined in :pep:`621`)'], 'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, 'version': {'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, 'description': {'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, 'readme': {'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, 'requires-python': {'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, 'license': {'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, 'authors': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, 'maintainers': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, 'keywords': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, 'classifiers': {'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, 'urls': {'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, 'scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create command-line wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.']}, 'gui-scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create GUI wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.', 'The difference between ``scripts`` and ``gui-scripts`` is only relevant in', 'Windows.']}, 'entry-points': {'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$ref': '#/definitions/entry-point-group'}}}, 'dependencies': {'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$ref': '#/definitions/dependency'}}, 'optional-dependencies': {'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$ref': '#/definitions/dependency'}}}}, 'dynamic': {'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}}, 'required': ['name'], 'additionalProperties': False, 'if': {'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, 'then': {'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, 'definitions': {'author': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, 'entry-point-group': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'dependency': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}, 'tool': {'type': 'object', 'properties': {'distutils': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://docs.python.org/3/install/', 'title': '``tool.distutils`` table', '$$description': ['Originally, ``distutils`` allowed developers to configure arguments for', '``setup.py`` scripts via `distutils configuration files', '<https://docs.python.org/3/install/#distutils-configuration-files>`_.', '``tool.distutils`` subtables could be used with the same purpose', '(NOT CURRENTLY IMPLEMENTED).'], 'type': 'object', 'properties': {'global': {'type': 'object', 'description': 'Global options applied to all ``distutils`` commands'}}, 'patternProperties': {'.+': {'type': 'object'}}, '$comment': 'TODO: Is there a practical way of making this schema more specific?'}, 'setuptools': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://setuptools.pypa.io/en/latest/references/keywords.html', 'title': '``tool.setuptools`` table', '$$description': ['Please notice for the time being the ``setuptools`` project does not specify', 'a way of configuring builds via ``pyproject.toml``.', 'Therefore this schema should be taken just as a *"thought experiment"* on how', 'this *might be done*, by following the principles established in', '`ini2toml <https://ini2toml.readthedocs.io/en/latest/setuptools_pep621.html>`_.', 'It considers only ``setuptools`` `parameters', '<https://setuptools.pypa.io/en/latest/userguide/declarative_config.html>`_', 'that can currently be configured via ``setup.cfg`` and are not covered by :pep:`621`', 'but intentionally excludes ``dependency_links`` and ``setup_requires``.', 'NOTE: ``scripts`` was renamed to ``script-files`` to avoid confusion with', 'entry-point based scripts (defined in :pep:`621`).'], 'type': 'object', 'additionalProperties': False, 'properties': {'platforms': {'type': 'array', 'items': {'type': 'string'}}, 'provides': {'$$description': ['Package and virtual package names contained within this package', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'obsoletes': {'$$description': ['Packages which this package renders obsolete', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'zip-safe': {'description': 'Whether the project can be safely installed and run from a zip file.', 'type': 'boolean'}, 'script-files': {'description': 'Legacy way of defining scripts (entry-points are preferred).', 'type': 'array', 'items': {'type': 'string'}, '$comment': 'TODO: is this field deprecated/should be removed?'}, 'eager-resources': {'$$description': ['Resources that should be extracted together, if any of them is needed,', 'or if any C extensions included in the project are imported.'], 'type': 'array', 'items': {'type': 'string'}}, 'packages': {'$$description': ['Packages that should be included in the distribution.', 'It can be given either as a list of package identifiers', 'or as a ``dict``-like structure with a single key ``find``', 'which corresponds to a dynamic call to', '``setuptools.config.expand.find_packages`` function.', 'The ``find`` key is associated with a nested ``dict``-like structure that can', 'contain ``where``, ``include``, ``exclude`` and ``namespaces`` keys,', 'mimicking the keyword arguments of the associated function.'], 'oneOf': [{'title': 'Array of Python package identifiers', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}}, {'$ref': '#/definitions/find-directive'}]}, 'package-dir': {'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, 'package-data': {'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'include-package-data': {'$$description': ['Automatically include any data files inside the package directories', 'that are specified by ``MANIFEST.in``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'boolean'}, 'exclude-package-data': {'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'namespace-packages': {'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'https://setuptools.pypa.io/en/latest/userguide/package_discovery.html'}, 'py-modules': {'description': 'Modules that setuptools will manipulate', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'TODO: clarify the relationship with ``packages``'}, 'data-files': {'$$description': ['**DEPRECATED**: dict-like structure where each key represents a directory and', 'the value is a list of glob patterns that should be installed in them.', "Please notice this don't work with wheels. See `data files support", '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'cmdclass': {'$$description': ['Mapping of distutils-style command names to ``setuptools.Command`` subclasses', 'which in turn should be represented by strings with a qualified class name', '(i.e., "dotted" form with module), e.g.::\n\n', '    cmdclass = {mycmd = "pkg.subpkg.module.CommandClass"}\n\n', 'The command class should be a directly defined at the top-level of the', 'containing module (no class nesting).'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'string', 'format': 'python-qualified-identifier'}}}, 'license-files': {'type': 'array', 'items': {'type': 'string'}, '$$description': ['PROVISIONAL: List of glob patterns for all license files being distributed.', '(might become standard with PEP 639).'], 'default': ['LICEN[CS]E*', ' COPYING*', ' NOTICE*', 'AUTHORS*'], '$comment': 'TODO: revise if PEP 639 is accepted. Probably ``project.license-files``?'}, 'dynamic': {'type': 'object', 'description': 'Instructions for loading :pep:`621`-related metadata dynamically', 'additionalProperties': False, 'properties': {'version': {'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'$ref': '#/definitions/attr-directive'}, {'$ref': '#/definitions/file-directive'}]}, 'classifiers': {'$ref': '#/definitions/file-directive'}, 'description': {'$ref': '#/definitions/file-directive'}, 'dependencies': {'$ref': '#/definitions/file-directive'}, 'entry-points': {'$ref': '#/definitions/file-directive'}, 'optional-dependencies': {'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$ref': '#/definitions/file-directive'}}}, 'readme': {'anyOf': [{'$ref': '#/definitions/file-directive'}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}}}}, 'definitions': {'file-directive': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'attr-directive': {'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, 'find-directive': {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}}}}}}, 'project': {'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-project-metadata/', 'title': 'Package metadata stored in the ``project`` table', '$$description': ['Data structure for the **project** table inside ``pyproject.toml``', '(as initially defined in :pep:`621`)'], 'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, 'version': {'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, 'description': {'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, 'readme': {'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, 'requires-python': {'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, 'license': {'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, 'authors': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, 'maintainers': {'type': 'array', 'items': {'$ref': '#/definitions/author'}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, 'keywords': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, 'classifiers': {'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, 'urls': {'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, 'scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create command-line wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.']}, 'gui-scripts': {'$ref': '#/definitions/entry-point-group', '$$description': ['Instruct the installer to create GUI wrappers for the given', '`entry points <https://packaging.python.org/specifications/entry-points/>`_.', 'The difference between ``scripts`` and ``gui-scripts`` is only relevant in', 'Windows.']}, 'entry-points': {'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$ref': '#/definitions/entry-point-group'}}}, 'dependencies': {'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$ref': '#/definitions/dependency'}}, 'optional-dependencies': {'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$ref': '#/definitions/dependency'}}}}, 'dynamic': {'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}}, 'required': ['name'], 'additionalProperties': False, 'if': {'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, 'then': {'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, 'definitions': {'author': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, 'entry-point-group': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'dependency': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, rule='additionalProperties')
+    return data
+
+def validate_https___setuptools_pypa_io_en_latest_references_keywords_html(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://setuptools.pypa.io/en/latest/references/keywords.html', 'title': '``tool.setuptools`` table', '$$description': ['Please notice for the time being the ``setuptools`` project does not specify', 'a way of configuring builds via ``pyproject.toml``.', 'Therefore this schema should be taken just as a *"thought experiment"* on how', 'this *might be done*, by following the principles established in', '`ini2toml <https://ini2toml.readthedocs.io/en/latest/setuptools_pep621.html>`_.', 'It considers only ``setuptools`` `parameters', '<https://setuptools.pypa.io/en/latest/userguide/declarative_config.html>`_', 'that can currently be configured via ``setup.cfg`` and are not covered by :pep:`621`', 'but intentionally excludes ``dependency_links`` and ``setup_requires``.', 'NOTE: ``scripts`` was renamed to ``script-files`` to avoid confusion with', 'entry-point based scripts (defined in :pep:`621`).'], 'type': 'object', 'additionalProperties': False, 'properties': {'platforms': {'type': 'array', 'items': {'type': 'string'}}, 'provides': {'$$description': ['Package and virtual package names contained within this package', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'obsoletes': {'$$description': ['Packages which this package renders obsolete', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'zip-safe': {'description': 'Whether the project can be safely installed and run from a zip file.', 'type': 'boolean'}, 'script-files': {'description': 'Legacy way of defining scripts (entry-points are preferred).', 'type': 'array', 'items': {'type': 'string'}, '$comment': 'TODO: is this field deprecated/should be removed?'}, 'eager-resources': {'$$description': ['Resources that should be extracted together, if any of them is needed,', 'or if any C extensions included in the project are imported.'], 'type': 'array', 'items': {'type': 'string'}}, 'packages': {'$$description': ['Packages that should be included in the distribution.', 'It can be given either as a list of package identifiers', 'or as a ``dict``-like structure with a single key ``find``', 'which corresponds to a dynamic call to', '``setuptools.config.expand.find_packages`` function.', 'The ``find`` key is associated with a nested ``dict``-like structure that can', 'contain ``where``, ``include``, ``exclude`` and ``namespaces`` keys,', 'mimicking the keyword arguments of the associated function.'], 'oneOf': [{'title': 'Array of Python package identifiers', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}}, {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}]}, 'package-dir': {'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, 'package-data': {'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'include-package-data': {'$$description': ['Automatically include any data files inside the package directories', 'that are specified by ``MANIFEST.in``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'boolean'}, 'exclude-package-data': {'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'namespace-packages': {'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'https://setuptools.pypa.io/en/latest/userguide/package_discovery.html'}, 'py-modules': {'description': 'Modules that setuptools will manipulate', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'TODO: clarify the relationship with ``packages``'}, 'data-files': {'$$description': ['**DEPRECATED**: dict-like structure where each key represents a directory and', 'the value is a list of glob patterns that should be installed in them.', "Please notice this don't work with wheels. See `data files support", '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'cmdclass': {'$$description': ['Mapping of distutils-style command names to ``setuptools.Command`` subclasses', 'which in turn should be represented by strings with a qualified class name', '(i.e., "dotted" form with module), e.g.::\n\n', '    cmdclass = {mycmd = "pkg.subpkg.module.CommandClass"}\n\n', 'The command class should be a directly defined at the top-level of the', 'containing module (no class nesting).'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'string', 'format': 'python-qualified-identifier'}}}, 'license-files': {'type': 'array', 'items': {'type': 'string'}, '$$description': ['PROVISIONAL: List of glob patterns for all license files being distributed.', '(might become standard with PEP 639).'], 'default': ['LICEN[CS]E*', ' COPYING*', ' NOTICE*', 'AUTHORS*'], '$comment': 'TODO: revise if PEP 639 is accepted. Probably ``project.license-files``?'}, 'dynamic': {'type': 'object', 'description': 'Instructions for loading :pep:`621`-related metadata dynamically', 'additionalProperties': False, 'properties': {'version': {'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}]}, 'classifiers': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'description': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'dependencies': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'entry-points': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'optional-dependencies': {'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}}}, 'readme': {'anyOf': [{'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}}}}, 'definitions': {'file-directive': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'attr-directive': {'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, 'find-directive': {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}}}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_keys = set(data.keys())
+        if "platforms" in data_keys:
+            data_keys.remove("platforms")
+            data__platforms = data["platforms"]
+            if not isinstance(data__platforms, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".platforms must be array", value=data__platforms, name="" + (name_prefix or "data") + ".platforms", definition={'type': 'array', 'items': {'type': 'string'}}, rule='type')
+            data__platforms_is_list = isinstance(data__platforms, (list, tuple))
+            if data__platforms_is_list:
+                data__platforms_len = len(data__platforms)
+                for data__platforms_x, data__platforms_item in enumerate(data__platforms):
+                    if not isinstance(data__platforms_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".platforms[{data__platforms_x}]".format(**locals()) + " must be string", value=data__platforms_item, name="" + (name_prefix or "data") + ".platforms[{data__platforms_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+        if "provides" in data_keys:
+            data_keys.remove("provides")
+            data__provides = data["provides"]
+            if not isinstance(data__provides, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".provides must be array", value=data__provides, name="" + (name_prefix or "data") + ".provides", definition={'$$description': ['Package and virtual package names contained within this package', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, rule='type')
+            data__provides_is_list = isinstance(data__provides, (list, tuple))
+            if data__provides_is_list:
+                data__provides_len = len(data__provides)
+                for data__provides_x, data__provides_item in enumerate(data__provides):
+                    if not isinstance(data__provides_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".provides[{data__provides_x}]".format(**locals()) + " must be string", value=data__provides_item, name="" + (name_prefix or "data") + ".provides[{data__provides_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'pep508-identifier'}, rule='type')
+                    if isinstance(data__provides_item, str):
+                        if not custom_formats["pep508-identifier"](data__provides_item):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".provides[{data__provides_x}]".format(**locals()) + " must be pep508-identifier", value=data__provides_item, name="" + (name_prefix or "data") + ".provides[{data__provides_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'pep508-identifier'}, rule='format')
+        if "obsoletes" in data_keys:
+            data_keys.remove("obsoletes")
+            data__obsoletes = data["obsoletes"]
+            if not isinstance(data__obsoletes, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".obsoletes must be array", value=data__obsoletes, name="" + (name_prefix or "data") + ".obsoletes", definition={'$$description': ['Packages which this package renders obsolete', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, rule='type')
+            data__obsoletes_is_list = isinstance(data__obsoletes, (list, tuple))
+            if data__obsoletes_is_list:
+                data__obsoletes_len = len(data__obsoletes)
+                for data__obsoletes_x, data__obsoletes_item in enumerate(data__obsoletes):
+                    if not isinstance(data__obsoletes_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".obsoletes[{data__obsoletes_x}]".format(**locals()) + " must be string", value=data__obsoletes_item, name="" + (name_prefix or "data") + ".obsoletes[{data__obsoletes_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'pep508-identifier'}, rule='type')
+                    if isinstance(data__obsoletes_item, str):
+                        if not custom_formats["pep508-identifier"](data__obsoletes_item):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".obsoletes[{data__obsoletes_x}]".format(**locals()) + " must be pep508-identifier", value=data__obsoletes_item, name="" + (name_prefix or "data") + ".obsoletes[{data__obsoletes_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'pep508-identifier'}, rule='format')
+        if "zip-safe" in data_keys:
+            data_keys.remove("zip-safe")
+            data__zipsafe = data["zip-safe"]
+            if not isinstance(data__zipsafe, (bool)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".zip-safe must be boolean", value=data__zipsafe, name="" + (name_prefix or "data") + ".zip-safe", definition={'description': 'Whether the project can be safely installed and run from a zip file.', 'type': 'boolean'}, rule='type')
+        if "script-files" in data_keys:
+            data_keys.remove("script-files")
+            data__scriptfiles = data["script-files"]
+            if not isinstance(data__scriptfiles, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".script-files must be array", value=data__scriptfiles, name="" + (name_prefix or "data") + ".script-files", definition={'description': 'Legacy way of defining scripts (entry-points are preferred).', 'type': 'array', 'items': {'type': 'string'}, '$comment': 'TODO: is this field deprecated/should be removed?'}, rule='type')
+            data__scriptfiles_is_list = isinstance(data__scriptfiles, (list, tuple))
+            if data__scriptfiles_is_list:
+                data__scriptfiles_len = len(data__scriptfiles)
+                for data__scriptfiles_x, data__scriptfiles_item in enumerate(data__scriptfiles):
+                    if not isinstance(data__scriptfiles_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".script-files[{data__scriptfiles_x}]".format(**locals()) + " must be string", value=data__scriptfiles_item, name="" + (name_prefix or "data") + ".script-files[{data__scriptfiles_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+        if "eager-resources" in data_keys:
+            data_keys.remove("eager-resources")
+            data__eagerresources = data["eager-resources"]
+            if not isinstance(data__eagerresources, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".eager-resources must be array", value=data__eagerresources, name="" + (name_prefix or "data") + ".eager-resources", definition={'$$description': ['Resources that should be extracted together, if any of them is needed,', 'or if any C extensions included in the project are imported.'], 'type': 'array', 'items': {'type': 'string'}}, rule='type')
+            data__eagerresources_is_list = isinstance(data__eagerresources, (list, tuple))
+            if data__eagerresources_is_list:
+                data__eagerresources_len = len(data__eagerresources)
+                for data__eagerresources_x, data__eagerresources_item in enumerate(data__eagerresources):
+                    if not isinstance(data__eagerresources_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".eager-resources[{data__eagerresources_x}]".format(**locals()) + " must be string", value=data__eagerresources_item, name="" + (name_prefix or "data") + ".eager-resources[{data__eagerresources_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+        if "packages" in data_keys:
+            data_keys.remove("packages")
+            data__packages = data["packages"]
+            data__packages_one_of_count1 = 0
+            if data__packages_one_of_count1 < 2:
+                try:
+                    if not isinstance(data__packages, (list, tuple)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".packages must be array", value=data__packages, name="" + (name_prefix or "data") + ".packages", definition={'title': 'Array of Python package identifiers', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}}, rule='type')
+                    data__packages_is_list = isinstance(data__packages, (list, tuple))
+                    if data__packages_is_list:
+                        data__packages_len = len(data__packages)
+                        for data__packages_x, data__packages_item in enumerate(data__packages):
+                            if not isinstance(data__packages_item, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".packages[{data__packages_x}]".format(**locals()) + " must be string", value=data__packages_item, name="" + (name_prefix or "data") + ".packages[{data__packages_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'python-module-name'}, rule='type')
+                            if isinstance(data__packages_item, str):
+                                if not custom_formats["python-module-name"](data__packages_item):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".packages[{data__packages_x}]".format(**locals()) + " must be python-module-name", value=data__packages_item, name="" + (name_prefix or "data") + ".packages[{data__packages_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'python-module-name'}, rule='format')
+                    data__packages_one_of_count1 += 1
+                except JsonSchemaValueException: pass
+            if data__packages_one_of_count1 < 2:
+                try:
+                    validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_find_directive(data__packages, custom_formats, (name_prefix or "data") + ".packages")
+                    data__packages_one_of_count1 += 1
+                except JsonSchemaValueException: pass
+            if data__packages_one_of_count1 != 1:
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".packages must be valid exactly by one definition" + (" (" + str(data__packages_one_of_count1) + " matches found)"), value=data__packages, name="" + (name_prefix or "data") + ".packages", definition={'$$description': ['Packages that should be included in the distribution.', 'It can be given either as a list of package identifiers', 'or as a ``dict``-like structure with a single key ``find``', 'which corresponds to a dynamic call to', '``setuptools.config.expand.find_packages`` function.', 'The ``find`` key is associated with a nested ``dict``-like structure that can', 'contain ``where``, ``include``, ``exclude`` and ``namespaces`` keys,', 'mimicking the keyword arguments of the associated function.'], 'oneOf': [{'title': 'Array of Python package identifiers', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}}, {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}]}, rule='oneOf')
+        if "package-dir" in data_keys:
+            data_keys.remove("package-dir")
+            data__packagedir = data["package-dir"]
+            if not isinstance(data__packagedir, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-dir must be object", value=data__packagedir, name="" + (name_prefix or "data") + ".package-dir", definition={'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, rule='type')
+            data__packagedir_is_dict = isinstance(data__packagedir, dict)
+            if data__packagedir_is_dict:
+                data__packagedir_keys = set(data__packagedir.keys())
+                for data__packagedir_key, data__packagedir_val in data__packagedir.items():
+                    if REGEX_PATTERNS['^.*$'].search(data__packagedir_key):
+                        if data__packagedir_key in data__packagedir_keys:
+                            data__packagedir_keys.remove(data__packagedir_key)
+                        if not isinstance(data__packagedir_val, (str)):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-dir.{data__packagedir_key}".format(**locals()) + " must be string", value=data__packagedir_val, name="" + (name_prefix or "data") + ".package-dir.{data__packagedir_key}".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                if data__packagedir_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-dir must not contain "+str(data__packagedir_keys)+" properties", value=data__packagedir, name="" + (name_prefix or "data") + ".package-dir", definition={'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, rule='additionalProperties')
+                data__packagedir_len = len(data__packagedir)
+                if data__packagedir_len != 0:
+                    data__packagedir_property_names = True
+                    for data__packagedir_key in data__packagedir:
+                        try:
+                            data__packagedir_key_one_of_count2 = 0
+                            if data__packagedir_key_one_of_count2 < 2:
+                                try:
+                                    if isinstance(data__packagedir_key, str):
+                                        if not custom_formats["python-module-name"](data__packagedir_key):
+                                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-dir must be python-module-name", value=data__packagedir_key, name="" + (name_prefix or "data") + ".package-dir", definition={'format': 'python-module-name'}, rule='format')
+                                    data__packagedir_key_one_of_count2 += 1
+                                except JsonSchemaValueException: pass
+                            if data__packagedir_key_one_of_count2 < 2:
+                                try:
+                                    if data__packagedir_key != "":
+                                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-dir must be same as const definition: ", value=data__packagedir_key, name="" + (name_prefix or "data") + ".package-dir", definition={'const': ''}, rule='const')
+                                    data__packagedir_key_one_of_count2 += 1
+                                except JsonSchemaValueException: pass
+                            if data__packagedir_key_one_of_count2 != 1:
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-dir must be valid exactly by one definition" + (" (" + str(data__packagedir_key_one_of_count2) + " matches found)"), value=data__packagedir_key, name="" + (name_prefix or "data") + ".package-dir", definition={'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, rule='oneOf')
+                        except JsonSchemaValueException:
+                            data__packagedir_property_names = False
+                    if not data__packagedir_property_names:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-dir must be named by propertyName definition", value=data__packagedir, name="" + (name_prefix or "data") + ".package-dir", definition={'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, rule='propertyNames')
+        if "package-data" in data_keys:
+            data_keys.remove("package-data")
+            data__packagedata = data["package-data"]
+            if not isinstance(data__packagedata, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data must be object", value=data__packagedata, name="" + (name_prefix or "data") + ".package-data", definition={'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, rule='type')
+            data__packagedata_is_dict = isinstance(data__packagedata, dict)
+            if data__packagedata_is_dict:
+                data__packagedata_keys = set(data__packagedata.keys())
+                for data__packagedata_key, data__packagedata_val in data__packagedata.items():
+                    if REGEX_PATTERNS['^.*$'].search(data__packagedata_key):
+                        if data__packagedata_key in data__packagedata_keys:
+                            data__packagedata_keys.remove(data__packagedata_key)
+                        if not isinstance(data__packagedata_val, (list, tuple)):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data.{data__packagedata_key}".format(**locals()) + " must be array", value=data__packagedata_val, name="" + (name_prefix or "data") + ".package-data.{data__packagedata_key}".format(**locals()) + "", definition={'type': 'array', 'items': {'type': 'string'}}, rule='type')
+                        data__packagedata_val_is_list = isinstance(data__packagedata_val, (list, tuple))
+                        if data__packagedata_val_is_list:
+                            data__packagedata_val_len = len(data__packagedata_val)
+                            for data__packagedata_val_x, data__packagedata_val_item in enumerate(data__packagedata_val):
+                                if not isinstance(data__packagedata_val_item, (str)):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data.{data__packagedata_key}[{data__packagedata_val_x}]".format(**locals()) + " must be string", value=data__packagedata_val_item, name="" + (name_prefix or "data") + ".package-data.{data__packagedata_key}[{data__packagedata_val_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                if data__packagedata_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data must not contain "+str(data__packagedata_keys)+" properties", value=data__packagedata, name="" + (name_prefix or "data") + ".package-data", definition={'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, rule='additionalProperties')
+                data__packagedata_len = len(data__packagedata)
+                if data__packagedata_len != 0:
+                    data__packagedata_property_names = True
+                    for data__packagedata_key in data__packagedata:
+                        try:
+                            data__packagedata_key_one_of_count3 = 0
+                            if data__packagedata_key_one_of_count3 < 2:
+                                try:
+                                    if isinstance(data__packagedata_key, str):
+                                        if not custom_formats["python-module-name"](data__packagedata_key):
+                                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data must be python-module-name", value=data__packagedata_key, name="" + (name_prefix or "data") + ".package-data", definition={'format': 'python-module-name'}, rule='format')
+                                    data__packagedata_key_one_of_count3 += 1
+                                except JsonSchemaValueException: pass
+                            if data__packagedata_key_one_of_count3 < 2:
+                                try:
+                                    if data__packagedata_key != "*":
+                                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data must be same as const definition: *", value=data__packagedata_key, name="" + (name_prefix or "data") + ".package-data", definition={'const': '*'}, rule='const')
+                                    data__packagedata_key_one_of_count3 += 1
+                                except JsonSchemaValueException: pass
+                            if data__packagedata_key_one_of_count3 != 1:
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data must be valid exactly by one definition" + (" (" + str(data__packagedata_key_one_of_count3) + " matches found)"), value=data__packagedata_key, name="" + (name_prefix or "data") + ".package-data", definition={'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, rule='oneOf')
+                        except JsonSchemaValueException:
+                            data__packagedata_property_names = False
+                    if not data__packagedata_property_names:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".package-data must be named by propertyName definition", value=data__packagedata, name="" + (name_prefix or "data") + ".package-data", definition={'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, rule='propertyNames')
+        if "include-package-data" in data_keys:
+            data_keys.remove("include-package-data")
+            data__includepackagedata = data["include-package-data"]
+            if not isinstance(data__includepackagedata, (bool)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".include-package-data must be boolean", value=data__includepackagedata, name="" + (name_prefix or "data") + ".include-package-data", definition={'$$description': ['Automatically include any data files inside the package directories', 'that are specified by ``MANIFEST.in``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'boolean'}, rule='type')
+        if "exclude-package-data" in data_keys:
+            data_keys.remove("exclude-package-data")
+            data__excludepackagedata = data["exclude-package-data"]
+            if not isinstance(data__excludepackagedata, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data must be object", value=data__excludepackagedata, name="" + (name_prefix or "data") + ".exclude-package-data", definition={'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, rule='type')
+            data__excludepackagedata_is_dict = isinstance(data__excludepackagedata, dict)
+            if data__excludepackagedata_is_dict:
+                data__excludepackagedata_keys = set(data__excludepackagedata.keys())
+                for data__excludepackagedata_key, data__excludepackagedata_val in data__excludepackagedata.items():
+                    if REGEX_PATTERNS['^.*$'].search(data__excludepackagedata_key):
+                        if data__excludepackagedata_key in data__excludepackagedata_keys:
+                            data__excludepackagedata_keys.remove(data__excludepackagedata_key)
+                        if not isinstance(data__excludepackagedata_val, (list, tuple)):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data.{data__excludepackagedata_key}".format(**locals()) + " must be array", value=data__excludepackagedata_val, name="" + (name_prefix or "data") + ".exclude-package-data.{data__excludepackagedata_key}".format(**locals()) + "", definition={'type': 'array', 'items': {'type': 'string'}}, rule='type')
+                        data__excludepackagedata_val_is_list = isinstance(data__excludepackagedata_val, (list, tuple))
+                        if data__excludepackagedata_val_is_list:
+                            data__excludepackagedata_val_len = len(data__excludepackagedata_val)
+                            for data__excludepackagedata_val_x, data__excludepackagedata_val_item in enumerate(data__excludepackagedata_val):
+                                if not isinstance(data__excludepackagedata_val_item, (str)):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data.{data__excludepackagedata_key}[{data__excludepackagedata_val_x}]".format(**locals()) + " must be string", value=data__excludepackagedata_val_item, name="" + (name_prefix or "data") + ".exclude-package-data.{data__excludepackagedata_key}[{data__excludepackagedata_val_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                if data__excludepackagedata_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data must not contain "+str(data__excludepackagedata_keys)+" properties", value=data__excludepackagedata, name="" + (name_prefix or "data") + ".exclude-package-data", definition={'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, rule='additionalProperties')
+                data__excludepackagedata_len = len(data__excludepackagedata)
+                if data__excludepackagedata_len != 0:
+                    data__excludepackagedata_property_names = True
+                    for data__excludepackagedata_key in data__excludepackagedata:
+                        try:
+                            data__excludepackagedata_key_one_of_count4 = 0
+                            if data__excludepackagedata_key_one_of_count4 < 2:
+                                try:
+                                    if isinstance(data__excludepackagedata_key, str):
+                                        if not custom_formats["python-module-name"](data__excludepackagedata_key):
+                                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data must be python-module-name", value=data__excludepackagedata_key, name="" + (name_prefix or "data") + ".exclude-package-data", definition={'format': 'python-module-name'}, rule='format')
+                                    data__excludepackagedata_key_one_of_count4 += 1
+                                except JsonSchemaValueException: pass
+                            if data__excludepackagedata_key_one_of_count4 < 2:
+                                try:
+                                    if data__excludepackagedata_key != "*":
+                                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data must be same as const definition: *", value=data__excludepackagedata_key, name="" + (name_prefix or "data") + ".exclude-package-data", definition={'const': '*'}, rule='const')
+                                    data__excludepackagedata_key_one_of_count4 += 1
+                                except JsonSchemaValueException: pass
+                            if data__excludepackagedata_key_one_of_count4 != 1:
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data must be valid exactly by one definition" + (" (" + str(data__excludepackagedata_key_one_of_count4) + " matches found)"), value=data__excludepackagedata_key, name="" + (name_prefix or "data") + ".exclude-package-data", definition={'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, rule='oneOf')
+                        except JsonSchemaValueException:
+                            data__excludepackagedata_property_names = False
+                    if not data__excludepackagedata_property_names:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".exclude-package-data must be named by propertyName definition", value=data__excludepackagedata, name="" + (name_prefix or "data") + ".exclude-package-data", definition={'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, rule='propertyNames')
+        if "namespace-packages" in data_keys:
+            data_keys.remove("namespace-packages")
+            data__namespacepackages = data["namespace-packages"]
+            if not isinstance(data__namespacepackages, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".namespace-packages must be array", value=data__namespacepackages, name="" + (name_prefix or "data") + ".namespace-packages", definition={'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'https://setuptools.pypa.io/en/latest/userguide/package_discovery.html'}, rule='type')
+            data__namespacepackages_is_list = isinstance(data__namespacepackages, (list, tuple))
+            if data__namespacepackages_is_list:
+                data__namespacepackages_len = len(data__namespacepackages)
+                for data__namespacepackages_x, data__namespacepackages_item in enumerate(data__namespacepackages):
+                    if not isinstance(data__namespacepackages_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".namespace-packages[{data__namespacepackages_x}]".format(**locals()) + " must be string", value=data__namespacepackages_item, name="" + (name_prefix or "data") + ".namespace-packages[{data__namespacepackages_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'python-module-name'}, rule='type')
+                    if isinstance(data__namespacepackages_item, str):
+                        if not custom_formats["python-module-name"](data__namespacepackages_item):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".namespace-packages[{data__namespacepackages_x}]".format(**locals()) + " must be python-module-name", value=data__namespacepackages_item, name="" + (name_prefix or "data") + ".namespace-packages[{data__namespacepackages_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'python-module-name'}, rule='format')
+        if "py-modules" in data_keys:
+            data_keys.remove("py-modules")
+            data__pymodules = data["py-modules"]
+            if not isinstance(data__pymodules, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".py-modules must be array", value=data__pymodules, name="" + (name_prefix or "data") + ".py-modules", definition={'description': 'Modules that setuptools will manipulate', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'TODO: clarify the relationship with ``packages``'}, rule='type')
+            data__pymodules_is_list = isinstance(data__pymodules, (list, tuple))
+            if data__pymodules_is_list:
+                data__pymodules_len = len(data__pymodules)
+                for data__pymodules_x, data__pymodules_item in enumerate(data__pymodules):
+                    if not isinstance(data__pymodules_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".py-modules[{data__pymodules_x}]".format(**locals()) + " must be string", value=data__pymodules_item, name="" + (name_prefix or "data") + ".py-modules[{data__pymodules_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'python-module-name'}, rule='type')
+                    if isinstance(data__pymodules_item, str):
+                        if not custom_formats["python-module-name"](data__pymodules_item):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".py-modules[{data__pymodules_x}]".format(**locals()) + " must be python-module-name", value=data__pymodules_item, name="" + (name_prefix or "data") + ".py-modules[{data__pymodules_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'python-module-name'}, rule='format')
+        if "data-files" in data_keys:
+            data_keys.remove("data-files")
+            data__datafiles = data["data-files"]
+            if not isinstance(data__datafiles, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".data-files must be object", value=data__datafiles, name="" + (name_prefix or "data") + ".data-files", definition={'$$description': ['**DEPRECATED**: dict-like structure where each key represents a directory and', 'the value is a list of glob patterns that should be installed in them.', "Please notice this don't work with wheels. See `data files support", '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, rule='type')
+            data__datafiles_is_dict = isinstance(data__datafiles, dict)
+            if data__datafiles_is_dict:
+                data__datafiles_keys = set(data__datafiles.keys())
+                for data__datafiles_key, data__datafiles_val in data__datafiles.items():
+                    if REGEX_PATTERNS['^.*$'].search(data__datafiles_key):
+                        if data__datafiles_key in data__datafiles_keys:
+                            data__datafiles_keys.remove(data__datafiles_key)
+                        if not isinstance(data__datafiles_val, (list, tuple)):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".data-files.{data__datafiles_key}".format(**locals()) + " must be array", value=data__datafiles_val, name="" + (name_prefix or "data") + ".data-files.{data__datafiles_key}".format(**locals()) + "", definition={'type': 'array', 'items': {'type': 'string'}}, rule='type')
+                        data__datafiles_val_is_list = isinstance(data__datafiles_val, (list, tuple))
+                        if data__datafiles_val_is_list:
+                            data__datafiles_val_len = len(data__datafiles_val)
+                            for data__datafiles_val_x, data__datafiles_val_item in enumerate(data__datafiles_val):
+                                if not isinstance(data__datafiles_val_item, (str)):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".data-files.{data__datafiles_key}[{data__datafiles_val_x}]".format(**locals()) + " must be string", value=data__datafiles_val_item, name="" + (name_prefix or "data") + ".data-files.{data__datafiles_key}[{data__datafiles_val_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+        if "cmdclass" in data_keys:
+            data_keys.remove("cmdclass")
+            data__cmdclass = data["cmdclass"]
+            if not isinstance(data__cmdclass, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".cmdclass must be object", value=data__cmdclass, name="" + (name_prefix or "data") + ".cmdclass", definition={'$$description': ['Mapping of distutils-style command names to ``setuptools.Command`` subclasses', 'which in turn should be represented by strings with a qualified class name', '(i.e., "dotted" form with module), e.g.::\n\n', '    cmdclass = {mycmd = "pkg.subpkg.module.CommandClass"}\n\n', 'The command class should be a directly defined at the top-level of the', 'containing module (no class nesting).'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'string', 'format': 'python-qualified-identifier'}}}, rule='type')
+            data__cmdclass_is_dict = isinstance(data__cmdclass, dict)
+            if data__cmdclass_is_dict:
+                data__cmdclass_keys = set(data__cmdclass.keys())
+                for data__cmdclass_key, data__cmdclass_val in data__cmdclass.items():
+                    if REGEX_PATTERNS['^.*$'].search(data__cmdclass_key):
+                        if data__cmdclass_key in data__cmdclass_keys:
+                            data__cmdclass_keys.remove(data__cmdclass_key)
+                        if not isinstance(data__cmdclass_val, (str)):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".cmdclass.{data__cmdclass_key}".format(**locals()) + " must be string", value=data__cmdclass_val, name="" + (name_prefix or "data") + ".cmdclass.{data__cmdclass_key}".format(**locals()) + "", definition={'type': 'string', 'format': 'python-qualified-identifier'}, rule='type')
+                        if isinstance(data__cmdclass_val, str):
+                            if not custom_formats["python-qualified-identifier"](data__cmdclass_val):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".cmdclass.{data__cmdclass_key}".format(**locals()) + " must be python-qualified-identifier", value=data__cmdclass_val, name="" + (name_prefix or "data") + ".cmdclass.{data__cmdclass_key}".format(**locals()) + "", definition={'type': 'string', 'format': 'python-qualified-identifier'}, rule='format')
+        if "license-files" in data_keys:
+            data_keys.remove("license-files")
+            data__licensefiles = data["license-files"]
+            if not isinstance(data__licensefiles, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".license-files must be array", value=data__licensefiles, name="" + (name_prefix or "data") + ".license-files", definition={'type': 'array', 'items': {'type': 'string'}, '$$description': ['PROVISIONAL: List of glob patterns for all license files being distributed.', '(might become standard with PEP 639).'], 'default': ['LICEN[CS]E*', ' COPYING*', ' NOTICE*', 'AUTHORS*'], '$comment': 'TODO: revise if PEP 639 is accepted. Probably ``project.license-files``?'}, rule='type')
+            data__licensefiles_is_list = isinstance(data__licensefiles, (list, tuple))
+            if data__licensefiles_is_list:
+                data__licensefiles_len = len(data__licensefiles)
+                for data__licensefiles_x, data__licensefiles_item in enumerate(data__licensefiles):
+                    if not isinstance(data__licensefiles_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".license-files[{data__licensefiles_x}]".format(**locals()) + " must be string", value=data__licensefiles_item, name="" + (name_prefix or "data") + ".license-files[{data__licensefiles_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+        else: data["license-files"] = ['LICEN[CS]E*', ' COPYING*', ' NOTICE*', 'AUTHORS*']
+        if "dynamic" in data_keys:
+            data_keys.remove("dynamic")
+            data__dynamic = data["dynamic"]
+            if not isinstance(data__dynamic, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic must be object", value=data__dynamic, name="" + (name_prefix or "data") + ".dynamic", definition={'type': 'object', 'description': 'Instructions for loading :pep:`621`-related metadata dynamically', 'additionalProperties': False, 'properties': {'version': {'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}]}, 'classifiers': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'description': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'dependencies': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'entry-points': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'optional-dependencies': {'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}}}, 'readme': {'anyOf': [{'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}}}, rule='type')
+            data__dynamic_is_dict = isinstance(data__dynamic, dict)
+            if data__dynamic_is_dict:
+                data__dynamic_keys = set(data__dynamic.keys())
+                if "version" in data__dynamic_keys:
+                    data__dynamic_keys.remove("version")
+                    data__dynamic__version = data__dynamic["version"]
+                    data__dynamic__version_one_of_count5 = 0
+                    if data__dynamic__version_one_of_count5 < 2:
+                        try:
+                            validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_attr_directive(data__dynamic__version, custom_formats, (name_prefix or "data") + ".dynamic.version")
+                            data__dynamic__version_one_of_count5 += 1
+                        except JsonSchemaValueException: pass
+                    if data__dynamic__version_one_of_count5 < 2:
+                        try:
+                            validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data__dynamic__version, custom_formats, (name_prefix or "data") + ".dynamic.version")
+                            data__dynamic__version_one_of_count5 += 1
+                        except JsonSchemaValueException: pass
+                    if data__dynamic__version_one_of_count5 != 1:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.version must be valid exactly by one definition" + (" (" + str(data__dynamic__version_one_of_count5) + " matches found)"), value=data__dynamic__version, name="" + (name_prefix or "data") + ".dynamic.version", definition={'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}]}, rule='oneOf')
+                if "classifiers" in data__dynamic_keys:
+                    data__dynamic_keys.remove("classifiers")
+                    data__dynamic__classifiers = data__dynamic["classifiers"]
+                    validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data__dynamic__classifiers, custom_formats, (name_prefix or "data") + ".dynamic.classifiers")
+                if "description" in data__dynamic_keys:
+                    data__dynamic_keys.remove("description")
+                    data__dynamic__description = data__dynamic["description"]
+                    validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data__dynamic__description, custom_formats, (name_prefix or "data") + ".dynamic.description")
+                if "dependencies" in data__dynamic_keys:
+                    data__dynamic_keys.remove("dependencies")
+                    data__dynamic__dependencies = data__dynamic["dependencies"]
+                    validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data__dynamic__dependencies, custom_formats, (name_prefix or "data") + ".dynamic.dependencies")
+                if "entry-points" in data__dynamic_keys:
+                    data__dynamic_keys.remove("entry-points")
+                    data__dynamic__entrypoints = data__dynamic["entry-points"]
+                    validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data__dynamic__entrypoints, custom_formats, (name_prefix or "data") + ".dynamic.entry-points")
+                if "optional-dependencies" in data__dynamic_keys:
+                    data__dynamic_keys.remove("optional-dependencies")
+                    data__dynamic__optionaldependencies = data__dynamic["optional-dependencies"]
+                    if not isinstance(data__dynamic__optionaldependencies, (dict)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.optional-dependencies must be object", value=data__dynamic__optionaldependencies, name="" + (name_prefix or "data") + ".dynamic.optional-dependencies", definition={'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}}}, rule='type')
+                    data__dynamic__optionaldependencies_is_dict = isinstance(data__dynamic__optionaldependencies, dict)
+                    if data__dynamic__optionaldependencies_is_dict:
+                        data__dynamic__optionaldependencies_keys = set(data__dynamic__optionaldependencies.keys())
+                        for data__dynamic__optionaldependencies_key, data__dynamic__optionaldependencies_val in data__dynamic__optionaldependencies.items():
+                            if REGEX_PATTERNS['.+'].search(data__dynamic__optionaldependencies_key):
+                                if data__dynamic__optionaldependencies_key in data__dynamic__optionaldependencies_keys:
+                                    data__dynamic__optionaldependencies_keys.remove(data__dynamic__optionaldependencies_key)
+                                validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data__dynamic__optionaldependencies_val, custom_formats, (name_prefix or "data") + ".dynamic.optional-dependencies.{data__dynamic__optionaldependencies_key}")
+                        if data__dynamic__optionaldependencies_keys:
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.optional-dependencies must not contain "+str(data__dynamic__optionaldependencies_keys)+" properties", value=data__dynamic__optionaldependencies, name="" + (name_prefix or "data") + ".dynamic.optional-dependencies", definition={'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}}}, rule='additionalProperties')
+                        data__dynamic__optionaldependencies_len = len(data__dynamic__optionaldependencies)
+                        if data__dynamic__optionaldependencies_len != 0:
+                            data__dynamic__optionaldependencies_property_names = True
+                            for data__dynamic__optionaldependencies_key in data__dynamic__optionaldependencies:
+                                try:
+                                    if isinstance(data__dynamic__optionaldependencies_key, str):
+                                        if not custom_formats["python-identifier"](data__dynamic__optionaldependencies_key):
+                                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.optional-dependencies must be python-identifier", value=data__dynamic__optionaldependencies_key, name="" + (name_prefix or "data") + ".dynamic.optional-dependencies", definition={'format': 'python-identifier'}, rule='format')
+                                except JsonSchemaValueException:
+                                    data__dynamic__optionaldependencies_property_names = False
+                            if not data__dynamic__optionaldependencies_property_names:
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.optional-dependencies must be named by propertyName definition", value=data__dynamic__optionaldependencies, name="" + (name_prefix or "data") + ".dynamic.optional-dependencies", definition={'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}}}, rule='propertyNames')
+                if "readme" in data__dynamic_keys:
+                    data__dynamic_keys.remove("readme")
+                    data__dynamic__readme = data__dynamic["readme"]
+                    data__dynamic__readme_any_of_count6 = 0
+                    if not data__dynamic__readme_any_of_count6:
+                        try:
+                            validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data__dynamic__readme, custom_formats, (name_prefix or "data") + ".dynamic.readme")
+                            data__dynamic__readme_any_of_count6 += 1
+                        except JsonSchemaValueException: pass
+                    if not data__dynamic__readme_any_of_count6:
+                        try:
+                            data__dynamic__readme_is_dict = isinstance(data__dynamic__readme, dict)
+                            if data__dynamic__readme_is_dict:
+                                data__dynamic__readme_keys = set(data__dynamic__readme.keys())
+                                if "content-type" in data__dynamic__readme_keys:
+                                    data__dynamic__readme_keys.remove("content-type")
+                                    data__dynamic__readme__contenttype = data__dynamic__readme["content-type"]
+                                    if not isinstance(data__dynamic__readme__contenttype, (str)):
+                                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.readme.content-type must be string", value=data__dynamic__readme__contenttype, name="" + (name_prefix or "data") + ".dynamic.readme.content-type", definition={'type': 'string'}, rule='type')
+                            data__dynamic__readme_any_of_count6 += 1
+                        except JsonSchemaValueException: pass
+                    if not data__dynamic__readme_any_of_count6:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.readme cannot be validated by any definition", value=data__dynamic__readme, name="" + (name_prefix or "data") + ".dynamic.readme", definition={'anyOf': [{'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}, rule='anyOf')
+                    data__dynamic__readme_is_dict = isinstance(data__dynamic__readme, dict)
+                    if data__dynamic__readme_is_dict:
+                        data__dynamic__readme_len = len(data__dynamic__readme)
+                        if not all(prop in data__dynamic__readme for prop in ['file']):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic.readme must contain ['file'] properties", value=data__dynamic__readme, name="" + (name_prefix or "data") + ".dynamic.readme", definition={'anyOf': [{'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}, rule='required')
+                if data__dynamic_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic must not contain "+str(data__dynamic_keys)+" properties", value=data__dynamic, name="" + (name_prefix or "data") + ".dynamic", definition={'type': 'object', 'description': 'Instructions for loading :pep:`621`-related metadata dynamically', 'additionalProperties': False, 'properties': {'version': {'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}]}, 'classifiers': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'description': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'dependencies': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'entry-points': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'optional-dependencies': {'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}}}, 'readme': {'anyOf': [{'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}}}, rule='additionalProperties')
+        if data_keys:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must not contain "+str(data_keys)+" properties", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://setuptools.pypa.io/en/latest/references/keywords.html', 'title': '``tool.setuptools`` table', '$$description': ['Please notice for the time being the ``setuptools`` project does not specify', 'a way of configuring builds via ``pyproject.toml``.', 'Therefore this schema should be taken just as a *"thought experiment"* on how', 'this *might be done*, by following the principles established in', '`ini2toml <https://ini2toml.readthedocs.io/en/latest/setuptools_pep621.html>`_.', 'It considers only ``setuptools`` `parameters', '<https://setuptools.pypa.io/en/latest/userguide/declarative_config.html>`_', 'that can currently be configured via ``setup.cfg`` and are not covered by :pep:`621`', 'but intentionally excludes ``dependency_links`` and ``setup_requires``.', 'NOTE: ``scripts`` was renamed to ``script-files`` to avoid confusion with', 'entry-point based scripts (defined in :pep:`621`).'], 'type': 'object', 'additionalProperties': False, 'properties': {'platforms': {'type': 'array', 'items': {'type': 'string'}}, 'provides': {'$$description': ['Package and virtual package names contained within this package', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'obsoletes': {'$$description': ['Packages which this package renders obsolete', '**(not supported by pip)**'], 'type': 'array', 'items': {'type': 'string', 'format': 'pep508-identifier'}}, 'zip-safe': {'description': 'Whether the project can be safely installed and run from a zip file.', 'type': 'boolean'}, 'script-files': {'description': 'Legacy way of defining scripts (entry-points are preferred).', 'type': 'array', 'items': {'type': 'string'}, '$comment': 'TODO: is this field deprecated/should be removed?'}, 'eager-resources': {'$$description': ['Resources that should be extracted together, if any of them is needed,', 'or if any C extensions included in the project are imported.'], 'type': 'array', 'items': {'type': 'string'}}, 'packages': {'$$description': ['Packages that should be included in the distribution.', 'It can be given either as a list of package identifiers', 'or as a ``dict``-like structure with a single key ``find``', 'which corresponds to a dynamic call to', '``setuptools.config.expand.find_packages`` function.', 'The ``find`` key is associated with a nested ``dict``-like structure that can', 'contain ``where``, ``include``, ``exclude`` and ``namespaces`` keys,', 'mimicking the keyword arguments of the associated function.'], 'oneOf': [{'title': 'Array of Python package identifiers', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}}, {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}]}, 'package-dir': {'$$description': [':class:`dict`-like structure mapping from package names to directories where their', 'code can be found.', 'The empty string (as key) means that all packages are contained inside', 'the given directory will be included in the distribution.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': ''}]}, 'patternProperties': {'^.*$': {'type': 'string'}}}, 'package-data': {'$$description': ['Mapping from package names to lists of glob patterns.', 'Usually this option is not needed when using ``include-package-data = true``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'include-package-data': {'$$description': ['Automatically include any data files inside the package directories', 'that are specified by ``MANIFEST.in``', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'boolean'}, 'exclude-package-data': {'$$description': ['Mapping from package names to lists of glob patterns that should be excluded', 'For more information on how to include data files, check ``setuptools`` `docs', '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_.'], 'type': 'object', 'additionalProperties': False, 'propertyNames': {'oneOf': [{'format': 'python-module-name'}, {'const': '*'}]}, 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'namespace-packages': {'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'https://setuptools.pypa.io/en/latest/userguide/package_discovery.html'}, 'py-modules': {'description': 'Modules that setuptools will manipulate', 'type': 'array', 'items': {'type': 'string', 'format': 'python-module-name'}, '$comment': 'TODO: clarify the relationship with ``packages``'}, 'data-files': {'$$description': ['**DEPRECATED**: dict-like structure where each key represents a directory and', 'the value is a list of glob patterns that should be installed in them.', "Please notice this don't work with wheels. See `data files support", '<https://setuptools.pypa.io/en/latest/userguide/datafiles.html>`_'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'array', 'items': {'type': 'string'}}}}, 'cmdclass': {'$$description': ['Mapping of distutils-style command names to ``setuptools.Command`` subclasses', 'which in turn should be represented by strings with a qualified class name', '(i.e., "dotted" form with module), e.g.::\n\n', '    cmdclass = {mycmd = "pkg.subpkg.module.CommandClass"}\n\n', 'The command class should be a directly defined at the top-level of the', 'containing module (no class nesting).'], 'type': 'object', 'patternProperties': {'^.*$': {'type': 'string', 'format': 'python-qualified-identifier'}}}, 'license-files': {'type': 'array', 'items': {'type': 'string'}, '$$description': ['PROVISIONAL: List of glob patterns for all license files being distributed.', '(might become standard with PEP 639).'], 'default': ['LICEN[CS]E*', ' COPYING*', ' NOTICE*', 'AUTHORS*'], '$comment': 'TODO: revise if PEP 639 is accepted. Probably ``project.license-files``?'}, 'dynamic': {'type': 'object', 'description': 'Instructions for loading :pep:`621`-related metadata dynamically', 'additionalProperties': False, 'properties': {'version': {'$$description': ['A version dynamically loaded via either the ``attr:`` or ``file:``', 'directives. Please make sure the given file or attribute respects :pep:`440`.'], 'oneOf': [{'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}]}, 'classifiers': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'description': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'dependencies': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'entry-points': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'optional-dependencies': {'type': 'object', 'propertyNames': {'format': 'python-identifier'}, 'additionalProperties': False, 'patternProperties': {'.+': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}}}, 'readme': {'anyOf': [{'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, {'properties': {'content-type': {'type': 'string'}}}], 'required': ['file']}}}}, 'definitions': {'file-directive': {'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, 'attr-directive': {'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, 'find-directive': {'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}}}, rule='additionalProperties')
+    return data
+
+def validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_file_directive(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_len = len(data)
+        if not all(prop in data for prop in ['file']):
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must contain ['file'] properties", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, rule='required')
+        data_keys = set(data.keys())
+        if "file" in data_keys:
+            data_keys.remove("file")
+            data__file = data["file"]
+            data__file_one_of_count7 = 0
+            if data__file_one_of_count7 < 2:
+                try:
+                    if not isinstance(data__file, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".file must be string", value=data__file, name="" + (name_prefix or "data") + ".file", definition={'type': 'string'}, rule='type')
+                    data__file_one_of_count7 += 1
+                except JsonSchemaValueException: pass
+            if data__file_one_of_count7 < 2:
+                try:
+                    if not isinstance(data__file, (list, tuple)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".file must be array", value=data__file, name="" + (name_prefix or "data") + ".file", definition={'type': 'array', 'items': {'type': 'string'}}, rule='type')
+                    data__file_is_list = isinstance(data__file, (list, tuple))
+                    if data__file_is_list:
+                        data__file_len = len(data__file)
+                        for data__file_x, data__file_item in enumerate(data__file):
+                            if not isinstance(data__file_item, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".file[{data__file_x}]".format(**locals()) + " must be string", value=data__file_item, name="" + (name_prefix or "data") + ".file[{data__file_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                    data__file_one_of_count7 += 1
+                except JsonSchemaValueException: pass
+            if data__file_one_of_count7 != 1:
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".file must be valid exactly by one definition" + (" (" + str(data__file_one_of_count7) + " matches found)"), value=data__file, name="" + (name_prefix or "data") + ".file", definition={'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}, rule='oneOf')
+        if data_keys:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must not contain "+str(data_keys)+" properties", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/file-directive', 'title': "'file:' directive", 'description': 'Value is read from a file (or list of files and then concatenated)', 'type': 'object', 'additionalProperties': False, 'properties': {'file': {'oneOf': [{'type': 'string'}, {'type': 'array', 'items': {'type': 'string'}}]}}, 'required': ['file']}, rule='additionalProperties')
+    return data
+
+def validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_attr_directive(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_len = len(data)
+        if not all(prop in data for prop in ['attr']):
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must contain ['attr'] properties", value=data, name="" + (name_prefix or "data") + "", definition={'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, rule='required')
+        data_keys = set(data.keys())
+        if "attr" in data_keys:
+            data_keys.remove("attr")
+            data__attr = data["attr"]
+            if not isinstance(data__attr, (str)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".attr must be string", value=data__attr, name="" + (name_prefix or "data") + ".attr", definition={'type': 'string'}, rule='type')
+        if data_keys:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must not contain "+str(data_keys)+" properties", value=data, name="" + (name_prefix or "data") + "", definition={'title': "'attr:' directive", '$id': '#/definitions/attr-directive', '$$description': ['Value is read from a module attribute. Supports callables and iterables;', 'unsupported types are cast via ``str()``'], 'type': 'object', 'additionalProperties': False, 'properties': {'attr': {'type': 'string'}}, 'required': ['attr']}, rule='additionalProperties')
+    return data
+
+def validate_https___setuptools_pypa_io_en_latest_references_keywords_html__definitions_find_directive(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_keys = set(data.keys())
+        if "find" in data_keys:
+            data_keys.remove("find")
+            data__find = data["find"]
+            if not isinstance(data__find, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".find must be object", value=data__find, name="" + (name_prefix or "data") + ".find", definition={'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}, rule='type')
+            data__find_is_dict = isinstance(data__find, dict)
+            if data__find_is_dict:
+                data__find_keys = set(data__find.keys())
+                if "where" in data__find_keys:
+                    data__find_keys.remove("where")
+                    data__find__where = data__find["where"]
+                    if not isinstance(data__find__where, (list, tuple)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".find.where must be array", value=data__find__where, name="" + (name_prefix or "data") + ".find.where", definition={'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, rule='type')
+                    data__find__where_is_list = isinstance(data__find__where, (list, tuple))
+                    if data__find__where_is_list:
+                        data__find__where_len = len(data__find__where)
+                        for data__find__where_x, data__find__where_item in enumerate(data__find__where):
+                            if not isinstance(data__find__where_item, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".find.where[{data__find__where_x}]".format(**locals()) + " must be string", value=data__find__where_item, name="" + (name_prefix or "data") + ".find.where[{data__find__where_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                if "exclude" in data__find_keys:
+                    data__find_keys.remove("exclude")
+                    data__find__exclude = data__find["exclude"]
+                    if not isinstance(data__find__exclude, (list, tuple)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".find.exclude must be array", value=data__find__exclude, name="" + (name_prefix or "data") + ".find.exclude", definition={'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, rule='type')
+                    data__find__exclude_is_list = isinstance(data__find__exclude, (list, tuple))
+                    if data__find__exclude_is_list:
+                        data__find__exclude_len = len(data__find__exclude)
+                        for data__find__exclude_x, data__find__exclude_item in enumerate(data__find__exclude):
+                            if not isinstance(data__find__exclude_item, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".find.exclude[{data__find__exclude_x}]".format(**locals()) + " must be string", value=data__find__exclude_item, name="" + (name_prefix or "data") + ".find.exclude[{data__find__exclude_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                if "include" in data__find_keys:
+                    data__find_keys.remove("include")
+                    data__find__include = data__find["include"]
+                    if not isinstance(data__find__include, (list, tuple)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".find.include must be array", value=data__find__include, name="" + (name_prefix or "data") + ".find.include", definition={'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, rule='type')
+                    data__find__include_is_list = isinstance(data__find__include, (list, tuple))
+                    if data__find__include_is_list:
+                        data__find__include_len = len(data__find__include)
+                        for data__find__include_x, data__find__include_item in enumerate(data__find__include):
+                            if not isinstance(data__find__include_item, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".find.include[{data__find__include_x}]".format(**locals()) + " must be string", value=data__find__include_item, name="" + (name_prefix or "data") + ".find.include[{data__find__include_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+                if "namespaces" in data__find_keys:
+                    data__find_keys.remove("namespaces")
+                    data__find__namespaces = data__find["namespaces"]
+                    if not isinstance(data__find__namespaces, (bool)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".find.namespaces must be boolean", value=data__find__namespaces, name="" + (name_prefix or "data") + ".find.namespaces", definition={'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}, rule='type')
+                if data__find_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".find must not contain "+str(data__find_keys)+" properties", value=data__find, name="" + (name_prefix or "data") + ".find", definition={'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}, rule='additionalProperties')
+        if data_keys:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must not contain "+str(data_keys)+" properties", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/find-directive', 'title': "'find:' directive", 'type': 'object', 'additionalProperties': False, 'properties': {'find': {'type': 'object', '$$description': ['Dynamic `package discovery', '<https://setuptools.pypa.io/en/latest/userguide/package_discovery.html>`_.'], 'additionalProperties': False, 'properties': {'where': {'description': 'Directories to be searched for packages (Unix-style relative path)', 'type': 'array', 'items': {'type': 'string'}}, 'exclude': {'type': 'array', '$$description': ['Exclude packages that match the values listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'include': {'type': 'array', '$$description': ['Restrict the found packages to just the ones listed in this field.', "Can container shell-style wildcards (e.g. ``'pkg.*'``)"], 'items': {'type': 'string'}}, 'namespaces': {'type': 'boolean', '$$description': ['When ``True``, directories without a ``__init__.py`` file will also', 'be scanned for :pep:`420`-style implicit namespaces']}}}}}, rule='additionalProperties')
+    return data
+
+def validate_https___docs_python_org_3_install(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://docs.python.org/3/install/', 'title': '``tool.distutils`` table', '$$description': ['Originally, ``distutils`` allowed developers to configure arguments for', '``setup.py`` scripts via `distutils configuration files', '<https://docs.python.org/3/install/#distutils-configuration-files>`_.', '``tool.distutils`` subtables could be used with the same purpose', '(NOT CURRENTLY IMPLEMENTED).'], 'type': 'object', 'properties': {'global': {'type': 'object', 'description': 'Global options applied to all ``distutils`` commands'}}, 'patternProperties': {'.+': {'type': 'object'}}, '$comment': 'TODO: Is there a practical way of making this schema more specific?'}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_keys = set(data.keys())
+        if "global" in data_keys:
+            data_keys.remove("global")
+            data__global = data["global"]
+            if not isinstance(data__global, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".global must be object", value=data__global, name="" + (name_prefix or "data") + ".global", definition={'type': 'object', 'description': 'Global options applied to all ``distutils`` commands'}, rule='type')
+        for data_key, data_val in data.items():
+            if REGEX_PATTERNS['.+'].search(data_key):
+                if data_key in data_keys:
+                    data_keys.remove(data_key)
+                if not isinstance(data_val, (dict)):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".{data_key}".format(**locals()) + " must be object", value=data_val, name="" + (name_prefix or "data") + ".{data_key}".format(**locals()) + "", definition={'type': 'object'}, rule='type')
+    return data
+
+def validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-project-metadata/', 'title': 'Package metadata stored in the ``project`` table', '$$description': ['Data structure for the **project** table inside ``pyproject.toml``', '(as initially defined in :pep:`621`)'], 'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, 'version': {'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, 'description': {'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, 'readme': {'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, 'requires-python': {'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, 'license': {'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, 'authors': {'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, 'maintainers': {'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, 'keywords': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, 'classifiers': {'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, 'urls': {'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, 'scripts': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'gui-scripts': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'entry-points': {'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}}}, 'dependencies': {'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}, 'optional-dependencies': {'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, 'dynamic': {'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}}, 'required': ['name'], 'additionalProperties': False, 'if': {'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, 'then': {'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, 'definitions': {'author': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, 'entry-point-group': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'dependency': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_len = len(data)
+        if not all(prop in data for prop in ['name']):
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must contain ['name'] properties", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-project-metadata/', 'title': 'Package metadata stored in the ``project`` table', '$$description': ['Data structure for the **project** table inside ``pyproject.toml``', '(as initially defined in :pep:`621`)'], 'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, 'version': {'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, 'description': {'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, 'readme': {'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, 'requires-python': {'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, 'license': {'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, 'authors': {'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, 'maintainers': {'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, 'keywords': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, 'classifiers': {'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, 'urls': {'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, 'scripts': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'gui-scripts': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'entry-points': {'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}}}, 'dependencies': {'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}, 'optional-dependencies': {'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, 'dynamic': {'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}}, 'required': ['name'], 'additionalProperties': False, 'if': {'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, 'then': {'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, 'definitions': {'author': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, 'entry-point-group': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'dependency': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}, rule='required')
+        data_keys = set(data.keys())
+        if "name" in data_keys:
+            data_keys.remove("name")
+            data__name = data["name"]
+            if not isinstance(data__name, (str)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".name must be string", value=data__name, name="" + (name_prefix or "data") + ".name", definition={'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, rule='type')
+            if isinstance(data__name, str):
+                if not custom_formats["pep508-identifier"](data__name):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".name must be pep508-identifier", value=data__name, name="" + (name_prefix or "data") + ".name", definition={'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, rule='format')
+        if "version" in data_keys:
+            data_keys.remove("version")
+            data__version = data["version"]
+            if not isinstance(data__version, (str)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".version must be string", value=data__version, name="" + (name_prefix or "data") + ".version", definition={'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, rule='type')
+            if isinstance(data__version, str):
+                if not custom_formats["pep440"](data__version):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".version must be pep440", value=data__version, name="" + (name_prefix or "data") + ".version", definition={'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, rule='format')
+        if "description" in data_keys:
+            data_keys.remove("description")
+            data__description = data["description"]
+            if not isinstance(data__description, (str)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".description must be string", value=data__description, name="" + (name_prefix or "data") + ".description", definition={'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, rule='type')
+        if "readme" in data_keys:
+            data_keys.remove("readme")
+            data__readme = data["readme"]
+            data__readme_one_of_count8 = 0
+            if data__readme_one_of_count8 < 2:
+                try:
+                    if not isinstance(data__readme, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme must be string", value=data__readme, name="" + (name_prefix or "data") + ".readme", definition={'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, rule='type')
+                    data__readme_one_of_count8 += 1
+                except JsonSchemaValueException: pass
+            if data__readme_one_of_count8 < 2:
+                try:
+                    if not isinstance(data__readme, (dict)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme must be object", value=data__readme, name="" + (name_prefix or "data") + ".readme", definition={'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}, rule='type')
+                    data__readme_any_of_count9 = 0
+                    if not data__readme_any_of_count9:
+                        try:
+                            data__readme_is_dict = isinstance(data__readme, dict)
+                            if data__readme_is_dict:
+                                data__readme_len = len(data__readme)
+                                if not all(prop in data__readme for prop in ['file']):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme must contain ['file'] properties", value=data__readme, name="" + (name_prefix or "data") + ".readme", definition={'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, rule='required')
+                                data__readme_keys = set(data__readme.keys())
+                                if "file" in data__readme_keys:
+                                    data__readme_keys.remove("file")
+                                    data__readme__file = data__readme["file"]
+                                    if not isinstance(data__readme__file, (str)):
+                                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme.file must be string", value=data__readme__file, name="" + (name_prefix or "data") + ".readme.file", definition={'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}, rule='type')
+                            data__readme_any_of_count9 += 1
+                        except JsonSchemaValueException: pass
+                    if not data__readme_any_of_count9:
+                        try:
+                            data__readme_is_dict = isinstance(data__readme, dict)
+                            if data__readme_is_dict:
+                                data__readme_len = len(data__readme)
+                                if not all(prop in data__readme for prop in ['text']):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme must contain ['text'] properties", value=data__readme, name="" + (name_prefix or "data") + ".readme", definition={'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}, rule='required')
+                                data__readme_keys = set(data__readme.keys())
+                                if "text" in data__readme_keys:
+                                    data__readme_keys.remove("text")
+                                    data__readme__text = data__readme["text"]
+                                    if not isinstance(data__readme__text, (str)):
+                                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme.text must be string", value=data__readme__text, name="" + (name_prefix or "data") + ".readme.text", definition={'type': 'string', 'description': 'Full text describing the project.'}, rule='type')
+                            data__readme_any_of_count9 += 1
+                        except JsonSchemaValueException: pass
+                    if not data__readme_any_of_count9:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme cannot be validated by any definition", value=data__readme, name="" + (name_prefix or "data") + ".readme", definition={'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, rule='anyOf')
+                    data__readme_is_dict = isinstance(data__readme, dict)
+                    if data__readme_is_dict:
+                        data__readme_len = len(data__readme)
+                        if not all(prop in data__readme for prop in ['content-type']):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme must contain ['content-type'] properties", value=data__readme, name="" + (name_prefix or "data") + ".readme", definition={'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}, rule='required')
+                        data__readme_keys = set(data__readme.keys())
+                        if "content-type" in data__readme_keys:
+                            data__readme_keys.remove("content-type")
+                            data__readme__contenttype = data__readme["content-type"]
+                            if not isinstance(data__readme__contenttype, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme.content-type must be string", value=data__readme__contenttype, name="" + (name_prefix or "data") + ".readme.content-type", definition={'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}, rule='type')
+                    data__readme_one_of_count8 += 1
+                except JsonSchemaValueException: pass
+            if data__readme_one_of_count8 != 1:
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".readme must be valid exactly by one definition" + (" (" + str(data__readme_one_of_count8) + " matches found)"), value=data__readme, name="" + (name_prefix or "data") + ".readme", definition={'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, rule='oneOf')
+        if "requires-python" in data_keys:
+            data_keys.remove("requires-python")
+            data__requirespython = data["requires-python"]
+            if not isinstance(data__requirespython, (str)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".requires-python must be string", value=data__requirespython, name="" + (name_prefix or "data") + ".requires-python", definition={'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, rule='type')
+            if isinstance(data__requirespython, str):
+                if not custom_formats["pep508-versionspec"](data__requirespython):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".requires-python must be pep508-versionspec", value=data__requirespython, name="" + (name_prefix or "data") + ".requires-python", definition={'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, rule='format')
+        if "license" in data_keys:
+            data_keys.remove("license")
+            data__license = data["license"]
+            data__license_one_of_count10 = 0
+            if data__license_one_of_count10 < 2:
+                try:
+                    data__license_is_dict = isinstance(data__license, dict)
+                    if data__license_is_dict:
+                        data__license_len = len(data__license)
+                        if not all(prop in data__license for prop in ['file']):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".license must contain ['file'] properties", value=data__license, name="" + (name_prefix or "data") + ".license", definition={'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, rule='required')
+                        data__license_keys = set(data__license.keys())
+                        if "file" in data__license_keys:
+                            data__license_keys.remove("file")
+                            data__license__file = data__license["file"]
+                            if not isinstance(data__license__file, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".license.file must be string", value=data__license__file, name="" + (name_prefix or "data") + ".license.file", definition={'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}, rule='type')
+                    data__license_one_of_count10 += 1
+                except JsonSchemaValueException: pass
+            if data__license_one_of_count10 < 2:
+                try:
+                    data__license_is_dict = isinstance(data__license, dict)
+                    if data__license_is_dict:
+                        data__license_len = len(data__license)
+                        if not all(prop in data__license for prop in ['text']):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".license must contain ['text'] properties", value=data__license, name="" + (name_prefix or "data") + ".license", definition={'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}, rule='required')
+                        data__license_keys = set(data__license.keys())
+                        if "text" in data__license_keys:
+                            data__license_keys.remove("text")
+                            data__license__text = data__license["text"]
+                            if not isinstance(data__license__text, (str)):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".license.text must be string", value=data__license__text, name="" + (name_prefix or "data") + ".license.text", definition={'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}, rule='type')
+                    data__license_one_of_count10 += 1
+                except JsonSchemaValueException: pass
+            if data__license_one_of_count10 != 1:
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".license must be valid exactly by one definition" + (" (" + str(data__license_one_of_count10) + " matches found)"), value=data__license, name="" + (name_prefix or "data") + ".license", definition={'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, rule='oneOf')
+        if "authors" in data_keys:
+            data_keys.remove("authors")
+            data__authors = data["authors"]
+            if not isinstance(data__authors, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".authors must be array", value=data__authors, name="" + (name_prefix or "data") + ".authors", definition={'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, rule='type')
+            data__authors_is_list = isinstance(data__authors, (list, tuple))
+            if data__authors_is_list:
+                data__authors_len = len(data__authors)
+                for data__authors_x, data__authors_item in enumerate(data__authors):
+                    validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_author(data__authors_item, custom_formats, (name_prefix or "data") + ".authors[{data__authors_x}]")
+        if "maintainers" in data_keys:
+            data_keys.remove("maintainers")
+            data__maintainers = data["maintainers"]
+            if not isinstance(data__maintainers, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".maintainers must be array", value=data__maintainers, name="" + (name_prefix or "data") + ".maintainers", definition={'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, rule='type')
+            data__maintainers_is_list = isinstance(data__maintainers, (list, tuple))
+            if data__maintainers_is_list:
+                data__maintainers_len = len(data__maintainers)
+                for data__maintainers_x, data__maintainers_item in enumerate(data__maintainers):
+                    validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_author(data__maintainers_item, custom_formats, (name_prefix or "data") + ".maintainers[{data__maintainers_x}]")
+        if "keywords" in data_keys:
+            data_keys.remove("keywords")
+            data__keywords = data["keywords"]
+            if not isinstance(data__keywords, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".keywords must be array", value=data__keywords, name="" + (name_prefix or "data") + ".keywords", definition={'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, rule='type')
+            data__keywords_is_list = isinstance(data__keywords, (list, tuple))
+            if data__keywords_is_list:
+                data__keywords_len = len(data__keywords)
+                for data__keywords_x, data__keywords_item in enumerate(data__keywords):
+                    if not isinstance(data__keywords_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".keywords[{data__keywords_x}]".format(**locals()) + " must be string", value=data__keywords_item, name="" + (name_prefix or "data") + ".keywords[{data__keywords_x}]".format(**locals()) + "", definition={'type': 'string'}, rule='type')
+        if "classifiers" in data_keys:
+            data_keys.remove("classifiers")
+            data__classifiers = data["classifiers"]
+            if not isinstance(data__classifiers, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".classifiers must be array", value=data__classifiers, name="" + (name_prefix or "data") + ".classifiers", definition={'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, rule='type')
+            data__classifiers_is_list = isinstance(data__classifiers, (list, tuple))
+            if data__classifiers_is_list:
+                data__classifiers_len = len(data__classifiers)
+                for data__classifiers_x, data__classifiers_item in enumerate(data__classifiers):
+                    if not isinstance(data__classifiers_item, (str)):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".classifiers[{data__classifiers_x}]".format(**locals()) + " must be string", value=data__classifiers_item, name="" + (name_prefix or "data") + ".classifiers[{data__classifiers_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, rule='type')
+                    if isinstance(data__classifiers_item, str):
+                        if not custom_formats["trove-classifier"](data__classifiers_item):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".classifiers[{data__classifiers_x}]".format(**locals()) + " must be trove-classifier", value=data__classifiers_item, name="" + (name_prefix or "data") + ".classifiers[{data__classifiers_x}]".format(**locals()) + "", definition={'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, rule='format')
+        if "urls" in data_keys:
+            data_keys.remove("urls")
+            data__urls = data["urls"]
+            if not isinstance(data__urls, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".urls must be object", value=data__urls, name="" + (name_prefix or "data") + ".urls", definition={'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, rule='type')
+            data__urls_is_dict = isinstance(data__urls, dict)
+            if data__urls_is_dict:
+                data__urls_keys = set(data__urls.keys())
+                for data__urls_key, data__urls_val in data__urls.items():
+                    if REGEX_PATTERNS['^.+$'].search(data__urls_key):
+                        if data__urls_key in data__urls_keys:
+                            data__urls_keys.remove(data__urls_key)
+                        if not isinstance(data__urls_val, (str)):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".urls.{data__urls_key}".format(**locals()) + " must be string", value=data__urls_val, name="" + (name_prefix or "data") + ".urls.{data__urls_key}".format(**locals()) + "", definition={'type': 'string', 'format': 'url'}, rule='type')
+                        if isinstance(data__urls_val, str):
+                            if not custom_formats["url"](data__urls_val):
+                                raise JsonSchemaValueException("" + (name_prefix or "data") + ".urls.{data__urls_key}".format(**locals()) + " must be url", value=data__urls_val, name="" + (name_prefix or "data") + ".urls.{data__urls_key}".format(**locals()) + "", definition={'type': 'string', 'format': 'url'}, rule='format')
+                if data__urls_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".urls must not contain "+str(data__urls_keys)+" properties", value=data__urls, name="" + (name_prefix or "data") + ".urls", definition={'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, rule='additionalProperties')
+        if "scripts" in data_keys:
+            data_keys.remove("scripts")
+            data__scripts = data["scripts"]
+            validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_entry_point_group(data__scripts, custom_formats, (name_prefix or "data") + ".scripts")
+        if "gui-scripts" in data_keys:
+            data_keys.remove("gui-scripts")
+            data__guiscripts = data["gui-scripts"]
+            validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_entry_point_group(data__guiscripts, custom_formats, (name_prefix or "data") + ".gui-scripts")
+        if "entry-points" in data_keys:
+            data_keys.remove("entry-points")
+            data__entrypoints = data["entry-points"]
+            data__entrypoints_is_dict = isinstance(data__entrypoints, dict)
+            if data__entrypoints_is_dict:
+                data__entrypoints_keys = set(data__entrypoints.keys())
+                for data__entrypoints_key, data__entrypoints_val in data__entrypoints.items():
+                    if REGEX_PATTERNS['^.+$'].search(data__entrypoints_key):
+                        if data__entrypoints_key in data__entrypoints_keys:
+                            data__entrypoints_keys.remove(data__entrypoints_key)
+                        validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_entry_point_group(data__entrypoints_val, custom_formats, (name_prefix or "data") + ".entry-points.{data__entrypoints_key}")
+                if data__entrypoints_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".entry-points must not contain "+str(data__entrypoints_keys)+" properties", value=data__entrypoints, name="" + (name_prefix or "data") + ".entry-points", definition={'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}}}, rule='additionalProperties')
+                data__entrypoints_len = len(data__entrypoints)
+                if data__entrypoints_len != 0:
+                    data__entrypoints_property_names = True
+                    for data__entrypoints_key in data__entrypoints:
+                        try:
+                            if isinstance(data__entrypoints_key, str):
+                                if not custom_formats["python-entrypoint-group"](data__entrypoints_key):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".entry-points must be python-entrypoint-group", value=data__entrypoints_key, name="" + (name_prefix or "data") + ".entry-points", definition={'format': 'python-entrypoint-group'}, rule='format')
+                        except JsonSchemaValueException:
+                            data__entrypoints_property_names = False
+                    if not data__entrypoints_property_names:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".entry-points must be named by propertyName definition", value=data__entrypoints, name="" + (name_prefix or "data") + ".entry-points", definition={'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}}}, rule='propertyNames')
+        if "dependencies" in data_keys:
+            data_keys.remove("dependencies")
+            data__dependencies = data["dependencies"]
+            if not isinstance(data__dependencies, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".dependencies must be array", value=data__dependencies, name="" + (name_prefix or "data") + ".dependencies", definition={'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}, rule='type')
+            data__dependencies_is_list = isinstance(data__dependencies, (list, tuple))
+            if data__dependencies_is_list:
+                data__dependencies_len = len(data__dependencies)
+                for data__dependencies_x, data__dependencies_item in enumerate(data__dependencies):
+                    validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_dependency(data__dependencies_item, custom_formats, (name_prefix or "data") + ".dependencies[{data__dependencies_x}]")
+        if "optional-dependencies" in data_keys:
+            data_keys.remove("optional-dependencies")
+            data__optionaldependencies = data["optional-dependencies"]
+            if not isinstance(data__optionaldependencies, (dict)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".optional-dependencies must be object", value=data__optionaldependencies, name="" + (name_prefix or "data") + ".optional-dependencies", definition={'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, rule='type')
+            data__optionaldependencies_is_dict = isinstance(data__optionaldependencies, dict)
+            if data__optionaldependencies_is_dict:
+                data__optionaldependencies_keys = set(data__optionaldependencies.keys())
+                for data__optionaldependencies_key, data__optionaldependencies_val in data__optionaldependencies.items():
+                    if REGEX_PATTERNS['^.+$'].search(data__optionaldependencies_key):
+                        if data__optionaldependencies_key in data__optionaldependencies_keys:
+                            data__optionaldependencies_keys.remove(data__optionaldependencies_key)
+                        if not isinstance(data__optionaldependencies_val, (list, tuple)):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".optional-dependencies.{data__optionaldependencies_key}".format(**locals()) + " must be array", value=data__optionaldependencies_val, name="" + (name_prefix or "data") + ".optional-dependencies.{data__optionaldependencies_key}".format(**locals()) + "", definition={'type': 'array', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}, rule='type')
+                        data__optionaldependencies_val_is_list = isinstance(data__optionaldependencies_val, (list, tuple))
+                        if data__optionaldependencies_val_is_list:
+                            data__optionaldependencies_val_len = len(data__optionaldependencies_val)
+                            for data__optionaldependencies_val_x, data__optionaldependencies_val_item in enumerate(data__optionaldependencies_val):
+                                validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_dependency(data__optionaldependencies_val_item, custom_formats, (name_prefix or "data") + ".optional-dependencies.{data__optionaldependencies_key}[{data__optionaldependencies_val_x}]")
+                if data__optionaldependencies_keys:
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".optional-dependencies must not contain "+str(data__optionaldependencies_keys)+" properties", value=data__optionaldependencies, name="" + (name_prefix or "data") + ".optional-dependencies", definition={'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, rule='additionalProperties')
+                data__optionaldependencies_len = len(data__optionaldependencies)
+                if data__optionaldependencies_len != 0:
+                    data__optionaldependencies_property_names = True
+                    for data__optionaldependencies_key in data__optionaldependencies:
+                        try:
+                            if isinstance(data__optionaldependencies_key, str):
+                                if not custom_formats["pep508-identifier"](data__optionaldependencies_key):
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".optional-dependencies must be pep508-identifier", value=data__optionaldependencies_key, name="" + (name_prefix or "data") + ".optional-dependencies", definition={'format': 'pep508-identifier'}, rule='format')
+                        except JsonSchemaValueException:
+                            data__optionaldependencies_property_names = False
+                    if not data__optionaldependencies_property_names:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".optional-dependencies must be named by propertyName definition", value=data__optionaldependencies, name="" + (name_prefix or "data") + ".optional-dependencies", definition={'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, rule='propertyNames')
+        if "dynamic" in data_keys:
+            data_keys.remove("dynamic")
+            data__dynamic = data["dynamic"]
+            if not isinstance(data__dynamic, (list, tuple)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic must be array", value=data__dynamic, name="" + (name_prefix or "data") + ".dynamic", definition={'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}, rule='type')
+            data__dynamic_is_list = isinstance(data__dynamic, (list, tuple))
+            if data__dynamic_is_list:
+                data__dynamic_len = len(data__dynamic)
+                for data__dynamic_x, data__dynamic_item in enumerate(data__dynamic):
+                    if data__dynamic_item not in ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']:
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic[{data__dynamic_x}]".format(**locals()) + " must be one of ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']", value=data__dynamic_item, name="" + (name_prefix or "data") + ".dynamic[{data__dynamic_x}]".format(**locals()) + "", definition={'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}, rule='enum')
+        if data_keys:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must not contain "+str(data_keys)+" properties", value=data, name="" + (name_prefix or "data") + "", definition={'$schema': 'http://json-schema.org/draft-07/schema', '$id': 'https://packaging.python.org/en/latest/specifications/declaring-project-metadata/', 'title': 'Package metadata stored in the ``project`` table', '$$description': ['Data structure for the **project** table inside ``pyproject.toml``', '(as initially defined in :pep:`621`)'], 'type': 'object', 'properties': {'name': {'type': 'string', 'description': 'The name (primary identifier) of the project. MUST be statically defined.', 'format': 'pep508-identifier'}, 'version': {'type': 'string', 'description': 'The version of the project as supported by :pep:`440`.', 'format': 'pep440'}, 'description': {'type': 'string', '$$description': ['The `summary description of the project', '<https://packaging.python.org/specifications/core-metadata/#summary>`_']}, 'readme': {'$$description': ['`Full/detailed description of the project in the form of a README', '<https://www.python.org/dev/peps/pep-0621/#readme>`_', "with meaning similar to the one defined in `core metadata's Description", '<https://packaging.python.org/specifications/core-metadata/#description>`_'], 'oneOf': [{'type': 'string', '$$description': ['Relative path to a text file (UTF-8) containing the full description', 'of the project. If the file path ends in case-insensitive ``.md`` or', '``.rst`` suffixes, then the content-type is respectively', '``text/markdown`` or ``text/x-rst``']}, {'type': 'object', 'allOf': [{'anyOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to a text file containing the full description', 'of the project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', 'description': 'Full text describing the project.'}}, 'required': ['text']}]}, {'properties': {'content-type': {'type': 'string', '$$description': ['Content-type (:rfc:`1341`) of the full description', '(e.g. ``text/markdown``). The ``charset`` parameter is assumed', 'UTF-8 when not present.'], '$comment': 'TODO: add regex pattern or format?'}}, 'required': ['content-type']}]}]}, 'requires-python': {'type': 'string', 'format': 'pep508-versionspec', '$$description': ['`The Python version requirements of the project', '<https://packaging.python.org/specifications/core-metadata/#requires-python>`_.']}, 'license': {'description': '`Project license <https://www.python.org/dev/peps/pep-0621/#license>`_.', 'oneOf': [{'properties': {'file': {'type': 'string', '$$description': ['Relative path to the file (UTF-8) which contains the license for the', 'project.']}}, 'required': ['file']}, {'properties': {'text': {'type': 'string', '$$description': ['The license of the project whose meaning is that of the', '`License field from the core metadata', '<https://packaging.python.org/specifications/core-metadata/#license>`_.']}}, 'required': ['text']}]}, 'authors': {'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'authors' of the project.", 'The exact meaning is open to interpretation (e.g. original or primary authors,', 'current maintainers, or owners of the package).']}, 'maintainers': {'type': 'array', 'items': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, '$$description': ["The people or organizations considered to be the 'maintainers' of the project.", 'Similarly to ``authors``, the exact meaning is open to interpretation.']}, 'keywords': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of keywords to assist searching for the distribution in a larger catalog.'}, 'classifiers': {'type': 'array', 'items': {'type': 'string', 'format': 'trove-classifier', 'description': '`PyPI classifier <https://pypi.org/classifiers/>`_.'}, '$$description': ['`Trove classifiers <https://pypi.org/classifiers/>`_', 'which apply to the project.']}, 'urls': {'type': 'object', 'description': 'URLs associated with the project in the form ``label => value``.', 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', 'format': 'url'}}}, 'scripts': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'gui-scripts': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'entry-points': {'$$description': ['Instruct the installer to expose the given modules/functions via', '``entry-point`` discovery mechanism (useful for plugins).', 'More information available in the `Python packaging guide', '<https://packaging.python.org/specifications/entry-points/>`_.'], 'propertyNames': {'format': 'python-entrypoint-group'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}}}, 'dependencies': {'type': 'array', 'description': 'Project (mandatory) dependencies.', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}, 'optional-dependencies': {'type': 'object', 'description': 'Optional dependency for the project', 'propertyNames': {'format': 'pep508-identifier'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'array', 'items': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}}, 'dynamic': {'type': 'array', '$$description': ['Specifies which fields are intentionally unspecified and expected to be', 'dynamically provided by build tools'], 'items': {'enum': ['version', 'description', 'readme', 'requires-python', 'license', 'authors', 'maintainers', 'keywords', 'classifiers', 'urls', 'scripts', 'gui-scripts', 'entry-points', 'dependencies', 'optional-dependencies']}}}, 'required': ['name'], 'additionalProperties': False, 'if': {'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, 'then': {'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, 'definitions': {'author': {'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, 'entry-point-group': {'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, 'dependency': {'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}}}, rule='additionalProperties')
+    try:
+        try:
+            data_is_dict = isinstance(data, dict)
+            if data_is_dict:
+                data_len = len(data)
+                if not all(prop in data for prop in ['dynamic']):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + " must contain ['dynamic'] properties", value=data, name="" + (name_prefix or "data") + "", definition={'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, rule='required')
+                data_keys = set(data.keys())
+                if "dynamic" in data_keys:
+                    data_keys.remove("dynamic")
+                    data__dynamic = data["dynamic"]
+                    data__dynamic_is_list = isinstance(data__dynamic, (list, tuple))
+                    if data__dynamic_is_list:
+                        data__dynamic_contains = False
+                        for data__dynamic_key in data__dynamic:
+                            try:
+                                if data__dynamic_key != "version":
+                                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic must be same as const definition: version", value=data__dynamic_key, name="" + (name_prefix or "data") + ".dynamic", definition={'const': 'version'}, rule='const')
+                                data__dynamic_contains = True
+                                break
+                            except JsonSchemaValueException: pass
+                        if not data__dynamic_contains:
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + ".dynamic must contain one of contains definition", value=data__dynamic, name="" + (name_prefix or "data") + ".dynamic", definition={'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}, rule='contains')
+        except JsonSchemaValueException: pass
+        else:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must NOT match a disallowed definition", value=data, name="" + (name_prefix or "data") + "", definition={'not': {'required': ['dynamic'], 'properties': {'dynamic': {'contains': {'const': 'version'}, '$$description': ['version is listed in ``dynamic``']}}}, '$$comment': ['According to :pep:`621`:', '    If the core metadata specification lists a field as "Required", then', '    the metadata MUST specify the field statically or list it in dynamic', 'In turn, `core metadata`_ defines:', '    The required fields are: Metadata-Version, Name, Version.', '    All the other fields are optional.', 'Since ``Metadata-Version`` is defined by the build back-end, ``name`` and', '``version`` are the only mandatory information in ``pyproject.toml``.', '.. _core metadata: https://packaging.python.org/specifications/core-metadata/']}, rule='not')
+    except JsonSchemaValueException:
+        pass
+    else:
+        data_is_dict = isinstance(data, dict)
+        if data_is_dict:
+            data_len = len(data)
+            if not all(prop in data for prop in ['version']):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + " must contain ['version'] properties", value=data, name="" + (name_prefix or "data") + "", definition={'required': ['version'], '$$description': ['version should be statically defined in the ``version`` field']}, rule='required')
+    return data
+
+def validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_dependency(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (str)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be string", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}, rule='type')
+    if isinstance(data, str):
+        if not custom_formats["pep508"](data):
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must be pep508", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/dependency', 'title': 'Dependency', 'type': 'string', 'description': 'Project dependency specification according to PEP 508', 'format': 'pep508'}, rule='format')
+    return data
+
+def validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_entry_point_group(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_keys = set(data.keys())
+        for data_key, data_val in data.items():
+            if REGEX_PATTERNS['^.+$'].search(data_key):
+                if data_key in data_keys:
+                    data_keys.remove(data_key)
+                if not isinstance(data_val, (str)):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".{data_key}".format(**locals()) + " must be string", value=data_val, name="" + (name_prefix or "data") + ".{data_key}".format(**locals()) + "", definition={'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}, rule='type')
+                if isinstance(data_val, str):
+                    if not custom_formats["python-entrypoint-reference"](data_val):
+                        raise JsonSchemaValueException("" + (name_prefix or "data") + ".{data_key}".format(**locals()) + " must be python-entrypoint-reference", value=data_val, name="" + (name_prefix or "data") + ".{data_key}".format(**locals()) + "", definition={'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}, rule='format')
+        if data_keys:
+            raise JsonSchemaValueException("" + (name_prefix or "data") + " must not contain "+str(data_keys)+" properties", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, rule='additionalProperties')
+        data_len = len(data)
+        if data_len != 0:
+            data_property_names = True
+            for data_key in data:
+                try:
+                    if isinstance(data_key, str):
+                        if not custom_formats["python-entrypoint-name"](data_key):
+                            raise JsonSchemaValueException("" + (name_prefix or "data") + " must be python-entrypoint-name", value=data_key, name="" + (name_prefix or "data") + "", definition={'format': 'python-entrypoint-name'}, rule='format')
+                except JsonSchemaValueException:
+                    data_property_names = False
+            if not data_property_names:
+                raise JsonSchemaValueException("" + (name_prefix or "data") + " must be named by propertyName definition", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/entry-point-group', 'title': 'Entry-points', 'type': 'object', '$$description': ['Entry-points are grouped together to indicate what sort of capabilities they', 'provide.', 'See the `packaging guides', '<https://packaging.python.org/specifications/entry-points/>`_', 'and `setuptools docs', '<https://setuptools.pypa.io/en/latest/userguide/entry_point.html>`_', 'for more information.'], 'propertyNames': {'format': 'python-entrypoint-name'}, 'additionalProperties': False, 'patternProperties': {'^.+$': {'type': 'string', '$$description': ['Reference to a Python object. It is either in the form', '``importable.module``, or ``importable.module:object.attr``.'], 'format': 'python-entrypoint-reference', '$comment': 'https://packaging.python.org/specifications/entry-points/'}}}, rule='propertyNames')
+    return data
+
+def validate_https___packaging_python_org_en_latest_specifications_declaring_project_metadata___definitions_author(data, custom_formats={}, name_prefix=None):
+    if not isinstance(data, (dict)):
+        raise JsonSchemaValueException("" + (name_prefix or "data") + " must be object", value=data, name="" + (name_prefix or "data") + "", definition={'$id': '#/definitions/author', 'title': 'Author or Maintainer', '$comment': 'https://www.python.org/dev/peps/pep-0621/#authors-maintainers', 'type': 'object', 'properties': {'name': {'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, 'email': {'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}}}, rule='type')
+    data_is_dict = isinstance(data, dict)
+    if data_is_dict:
+        data_keys = set(data.keys())
+        if "name" in data_keys:
+            data_keys.remove("name")
+            data__name = data["name"]
+            if not isinstance(data__name, (str)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".name must be string", value=data__name, name="" + (name_prefix or "data") + ".name", definition={'type': 'string', '$$description': ['MUST be a valid email name, i.e. whatever can be put as a name, before an', 'email, in :rfc:`822`.']}, rule='type')
+        if "email" in data_keys:
+            data_keys.remove("email")
+            data__email = data["email"]
+            if not isinstance(data__email, (str)):
+                raise JsonSchemaValueException("" + (name_prefix or "data") + ".email must be string", value=data__email, name="" + (name_prefix or "data") + ".email", definition={'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}, rule='type')
+            if isinstance(data__email, str):
+                if not REGEX_PATTERNS["idn-email_re_pattern"].match(data__email):
+                    raise JsonSchemaValueException("" + (name_prefix or "data") + ".email must be idn-email", value=data__email, name="" + (name_prefix or "data") + ".email", definition={'type': 'string', 'format': 'idn-email', 'description': 'MUST be a valid email address'}, rule='format')
+    return data
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/formats.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/formats.py
new file mode 100644
index 00000000..638ac119
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/_validate_pyproject/formats.py
@@ -0,0 +1,259 @@
+import logging
+import os
+import re
+import string
+import typing
+from itertools import chain as _chain
+
+_logger = logging.getLogger(__name__)
+
+# -------------------------------------------------------------------------------------
+# PEP 440
+
+VERSION_PATTERN = r"""
+    v?
+    (?:
+        (?:(?P<epoch>[0-9]+)!)?                           # epoch
+        (?P<release>[0-9]+(?:\.[0-9]+)*)                  # release segment
+        (?P<pre>                                          # pre-release
+            [-_\.]?
+            (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview))
+            [-_\.]?
+            (?P<pre_n>[0-9]+)?
+        )?
+        (?P<post>                                         # post release
+            (?:-(?P<post_n1>[0-9]+))
+            |
+            (?:
+                [-_\.]?
+                (?P<post_l>post|rev|r)
+                [-_\.]?
+                (?P<post_n2>[0-9]+)?
+            )
+        )?
+        (?P<dev>                                          # dev release
+            [-_\.]?
+            (?P<dev_l>dev)
+            [-_\.]?
+            (?P<dev_n>[0-9]+)?
+        )?
+    )
+    (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))?       # local version
+"""
+
+VERSION_REGEX = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.X | re.I)
+
+
+def pep440(version: str) -> bool:
+    return VERSION_REGEX.match(version) is not None
+
+
+# -------------------------------------------------------------------------------------
+# PEP 508
+
+PEP508_IDENTIFIER_PATTERN = r"([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])"
+PEP508_IDENTIFIER_REGEX = re.compile(f"^{PEP508_IDENTIFIER_PATTERN}$", re.I)
+
+
+def pep508_identifier(name: str) -> bool:
+    return PEP508_IDENTIFIER_REGEX.match(name) is not None
+
+
+try:
+    try:
+        from packaging import requirements as _req
+    except ImportError:  # pragma: no cover
+        # let's try setuptools vendored version
+        from setuptools._vendor.packaging import requirements as _req  # type: ignore
+
+    def pep508(value: str) -> bool:
+        try:
+            _req.Requirement(value)
+            return True
+        except _req.InvalidRequirement:
+            return False
+
+except ImportError:  # pragma: no cover
+    _logger.warning(
+        "Could not find an installation of `packaging`. Requirements, dependencies and "
+        "versions might not be validated. "
+        "To enforce validation, please install `packaging`."
+    )
+
+    def pep508(value: str) -> bool:
+        return True
+
+
+def pep508_versionspec(value: str) -> bool:
+    """Expression that can be used to specify/lock versions (including ranges)"""
+    if any(c in value for c in (";", "]", "@")):
+        # In PEP 508:
+        # conditional markers, extras and URL specs are not included in the
+        # versionspec
+        return False
+    # Let's pretend we have a dependency called `requirement` with the given
+    # version spec, then we can re-use the pep508 function for validation:
+    return pep508(f"requirement{value}")
+
+
+# -------------------------------------------------------------------------------------
+# PEP 517
+
+
+def pep517_backend_reference(value: str) -> bool:
+    module, _, obj = value.partition(":")
+    identifiers = (i.strip() for i in _chain(module.split("."), obj.split(".")))
+    return all(python_identifier(i) for i in identifiers if i)
+
+
+# -------------------------------------------------------------------------------------
+# Classifiers - PEP 301
+
+
+def _download_classifiers() -> str:
+    import ssl
+    from email.message import Message
+    from urllib.request import urlopen
+
+    url = "https://pypi.org/pypi?:action=list_classifiers"
+    context = ssl.create_default_context()
+    with urlopen(url, context=context) as response:
+        headers = Message()
+        headers["content_type"] = response.getheader("content-type", "text/plain")
+        return response.read().decode(headers.get_param("charset", "utf-8"))
+
+
+class _TroveClassifier:
+    """The ``trove_classifiers`` package is the official way of validating classifiers,
+    however this package might not be always available.
+    As a workaround we can still download a list from PyPI.
+    We also don't want to be over strict about it, so simply skipping silently is an
+    option (classifiers will be validated anyway during the upload to PyPI).
+    """
+
+    def __init__(self):
+        self.downloaded: typing.Union[None, False, typing.Set[str]] = None
+        self._skip_download = False
+        # None => not cached yet
+        # False => cache not available
+        self.__name__ = "trove_classifier"  # Emulate a public function
+
+    def _disable_download(self):
+        # This is a private API. Only setuptools has the consent of using it.
+        self._skip_download = True
+
+    def __call__(self, value: str) -> bool:
+        if self.downloaded is False or self._skip_download is True:
+            return True
+
+        if os.getenv("NO_NETWORK") or os.getenv("VALIDATE_PYPROJECT_NO_NETWORK"):
+            self.downloaded = False
+            msg = (
+                "Install ``trove-classifiers`` to ensure proper validation. "
+                "Skipping download of classifiers list from PyPI (NO_NETWORK)."
+            )
+            _logger.debug(msg)
+            return True
+
+        if self.downloaded is None:
+            msg = (
+                "Install ``trove-classifiers`` to ensure proper validation. "
+                "Meanwhile a list of classifiers will be downloaded from PyPI."
+            )
+            _logger.debug(msg)
+            try:
+                self.downloaded = set(_download_classifiers().splitlines())
+            except Exception:
+                self.downloaded = False
+                _logger.debug("Problem with download, skipping validation")
+                return True
+
+        return value in self.downloaded or value.lower().startswith("private ::")
+
+
+try:
+    from trove_classifiers import classifiers as _trove_classifiers
+
+    def trove_classifier(value: str) -> bool:
+        return value in _trove_classifiers or value.lower().startswith("private ::")
+
+except ImportError:  # pragma: no cover
+    trove_classifier = _TroveClassifier()
+
+
+# -------------------------------------------------------------------------------------
+# Non-PEP related
+
+
+def url(value: str) -> bool:
+    from urllib.parse import urlparse
+
+    try:
+        parts = urlparse(value)
+        if not parts.scheme:
+            _logger.warning(
+                "For maximum compatibility please make sure to include a "
+                "`scheme` prefix in your URL (e.g. 'http://'). "
+                f"Given value: {value}"
+            )
+            if not (value.startswith("/") or value.startswith("\\") or "@" in value):
+                parts = urlparse(f"http://{value}")
+
+        return bool(parts.scheme and parts.netloc)
+    except Exception:
+        return False
+
+
+# https://packaging.python.org/specifications/entry-points/
+ENTRYPOINT_PATTERN = r"[^\[\s=]([^=]*[^\s=])?"
+ENTRYPOINT_REGEX = re.compile(f"^{ENTRYPOINT_PATTERN}$", re.I)
+RECOMMEDED_ENTRYPOINT_PATTERN = r"[\w.-]+"
+RECOMMEDED_ENTRYPOINT_REGEX = re.compile(f"^{RECOMMEDED_ENTRYPOINT_PATTERN}$", re.I)
+ENTRYPOINT_GROUP_PATTERN = r"\w+(\.\w+)*"
+ENTRYPOINT_GROUP_REGEX = re.compile(f"^{ENTRYPOINT_GROUP_PATTERN}$", re.I)
+
+
+def python_identifier(value: str) -> bool:
+    return value.isidentifier()
+
+
+def python_qualified_identifier(value: str) -> bool:
+    if value.startswith(".") or value.endswith("."):
+        return False
+    return all(python_identifier(m) for m in value.split("."))
+
+
+def python_module_name(value: str) -> bool:
+    return python_qualified_identifier(value)
+
+
+def python_entrypoint_group(value: str) -> bool:
+    return ENTRYPOINT_GROUP_REGEX.match(value) is not None
+
+
+def python_entrypoint_name(value: str) -> bool:
+    if not ENTRYPOINT_REGEX.match(value):
+        return False
+    if not RECOMMEDED_ENTRYPOINT_REGEX.match(value):
+        msg = f"Entry point `{value}` does not follow recommended pattern: "
+        msg += RECOMMEDED_ENTRYPOINT_PATTERN
+        _logger.warning(msg)
+    return True
+
+
+def python_entrypoint_reference(value: str) -> bool:
+    module, _, rest = value.partition(":")
+    if "[" in rest:
+        obj, _, extras_ = rest.partition("[")
+        if extras_.strip()[-1] != "]":
+            return False
+        extras = (x.strip() for x in extras_.strip(string.whitespace + "[]").split(","))
+        if not all(pep508_identifier(e) for e in extras):
+            return False
+        _logger.warning(f"`{value}` - using extras for entry points is not recommended")
+    else:
+        obj = rest
+
+    module_parts = module.split(".")
+    identifiers = _chain(module_parts, obj.split(".")) if rest else module_parts
+    return all(python_identifier(i.strip()) for i in identifiers)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/expand.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/expand.py
new file mode 100644
index 00000000..c8db2c4b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/expand.py
@@ -0,0 +1,462 @@
+"""Utility functions to expand configuration directives or special values
+(such glob patterns).
+
+We can split the process of interpreting configuration files into 2 steps:
+
+1. The parsing the file contents from strings to value objects
+   that can be understand by Python (for example a string with a comma
+   separated list of keywords into an actual Python list of strings).
+
+2. The expansion (or post-processing) of these values according to the
+   semantics ``setuptools`` assign to them (for example a configuration field
+   with the ``file:`` directive should be expanded from a list of file paths to
+   a single string with the contents of those files concatenated)
+
+This module focus on the second step, and therefore allow sharing the expansion
+functions among several configuration file formats.
+
+**PRIVATE MODULE**: API reserved for setuptools internal usage only.
+"""
+import ast
+import importlib
+import io
+import os
+import pathlib
+import sys
+import warnings
+from glob import iglob
+from configparser import ConfigParser
+from importlib.machinery import ModuleSpec
+from itertools import chain
+from typing import (
+    TYPE_CHECKING,
+    Callable,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Mapping,
+    Optional,
+    Tuple,
+    TypeVar,
+    Union,
+    cast
+)
+from pathlib import Path
+from types import ModuleType
+
+from distutils.errors import DistutilsOptionError
+
+from .._path import same_path as _same_path
+
+if TYPE_CHECKING:
+    from setuptools.dist import Distribution  # noqa
+    from setuptools.discovery import ConfigDiscovery  # noqa
+    from distutils.dist import DistributionMetadata  # noqa
+
+chain_iter = chain.from_iterable
+_Path = Union[str, os.PathLike]
+_K = TypeVar("_K")
+_V = TypeVar("_V", covariant=True)
+
+
+class StaticModule:
+    """Proxy to a module object that avoids executing arbitrary code."""
+
+    def __init__(self, name: str, spec: ModuleSpec):
+        module = ast.parse(pathlib.Path(spec.origin).read_bytes())
+        vars(self).update(locals())
+        del self.self
+
+    def _find_assignments(self) -> Iterator[Tuple[ast.AST, ast.AST]]:
+        for statement in self.module.body:
+            if isinstance(statement, ast.Assign):
+                yield from ((target, statement.value) for target in statement.targets)
+            elif isinstance(statement, ast.AnnAssign) and statement.value:
+                yield (statement.target, statement.value)
+
+    def __getattr__(self, attr):
+        """Attempt to load an attribute "statically", via :func:`ast.literal_eval`."""
+        try:
+            return next(
+                ast.literal_eval(value)
+                for target, value in self._find_assignments()
+                if isinstance(target, ast.Name) and target.id == attr
+            )
+        except Exception as e:
+            raise AttributeError(f"{self.name} has no attribute {attr}") from e
+
+
+def glob_relative(
+    patterns: Iterable[str], root_dir: Optional[_Path] = None
+) -> List[str]:
+    """Expand the list of glob patterns, but preserving relative paths.
+
+    :param list[str] patterns: List of glob patterns
+    :param str root_dir: Path to which globs should be relative
+                         (current directory by default)
+    :rtype: list
+    """
+    glob_characters = {'*', '?', '[', ']', '{', '}'}
+    expanded_values = []
+    root_dir = root_dir or os.getcwd()
+    for value in patterns:
+
+        # Has globby characters?
+        if any(char in value for char in glob_characters):
+            # then expand the glob pattern while keeping paths *relative*:
+            glob_path = os.path.abspath(os.path.join(root_dir, value))
+            expanded_values.extend(sorted(
+                os.path.relpath(path, root_dir).replace(os.sep, "/")
+                for path in iglob(glob_path, recursive=True)))
+
+        else:
+            # take the value as-is
+            path = os.path.relpath(value, root_dir).replace(os.sep, "/")
+            expanded_values.append(path)
+
+    return expanded_values
+
+
+def read_files(filepaths: Union[str, bytes, Iterable[_Path]], root_dir=None) -> str:
+    """Return the content of the files concatenated using ``\n`` as str
+
+    This function is sandboxed and won't reach anything outside ``root_dir``
+
+    (By default ``root_dir`` is the current directory).
+    """
+    from setuptools.extern.more_itertools import always_iterable
+
+    root_dir = os.path.abspath(root_dir or os.getcwd())
+    _filepaths = (os.path.join(root_dir, path) for path in always_iterable(filepaths))
+    return '\n'.join(
+        _read_file(path)
+        for path in _filter_existing_files(_filepaths)
+        if _assert_local(path, root_dir)
+    )
+
+
+def _filter_existing_files(filepaths: Iterable[_Path]) -> Iterator[_Path]:
+    for path in filepaths:
+        if os.path.isfile(path):
+            yield path
+        else:
+            warnings.warn(f"File {path!r} cannot be found")
+
+
+def _read_file(filepath: Union[bytes, _Path]) -> str:
+    with io.open(filepath, encoding='utf-8') as f:
+        return f.read()
+
+
+def _assert_local(filepath: _Path, root_dir: str):
+    if Path(os.path.abspath(root_dir)) not in Path(os.path.abspath(filepath)).parents:
+        msg = f"Cannot access {filepath!r} (or anything outside {root_dir!r})"
+        raise DistutilsOptionError(msg)
+
+    return True
+
+
+def read_attr(
+    attr_desc: str,
+    package_dir: Optional[Mapping[str, str]] = None,
+    root_dir: Optional[_Path] = None
+):
+    """Reads the value of an attribute from a module.
+
+    This function will try to read the attributed statically first
+    (via :func:`ast.literal_eval`), and only evaluate the module if it fails.
+
+    Examples:
+        read_attr("package.attr")
+        read_attr("package.module.attr")
+
+    :param str attr_desc: Dot-separated string describing how to reach the
+        attribute (see examples above)
+    :param dict[str, str] package_dir: Mapping of package names to their
+        location in disk (represented by paths relative to ``root_dir``).
+    :param str root_dir: Path to directory containing all the packages in
+        ``package_dir`` (current directory by default).
+    :rtype: str
+    """
+    root_dir = root_dir or os.getcwd()
+    attrs_path = attr_desc.strip().split('.')
+    attr_name = attrs_path.pop()
+    module_name = '.'.join(attrs_path)
+    module_name = module_name or '__init__'
+    _parent_path, path, module_name = _find_module(module_name, package_dir, root_dir)
+    spec = _find_spec(module_name, path)
+
+    try:
+        return getattr(StaticModule(module_name, spec), attr_name)
+    except Exception:
+        # fallback to evaluate module
+        module = _load_spec(spec, module_name)
+        return getattr(module, attr_name)
+
+
+def _find_spec(module_name: str, module_path: Optional[_Path]) -> ModuleSpec:
+    spec = importlib.util.spec_from_file_location(module_name, module_path)
+    spec = spec or importlib.util.find_spec(module_name)
+
+    if spec is None:
+        raise ModuleNotFoundError(module_name)
+
+    return spec
+
+
+def _load_spec(spec: ModuleSpec, module_name: str) -> ModuleType:
+    name = getattr(spec, "__name__", module_name)
+    if name in sys.modules:
+        return sys.modules[name]
+    module = importlib.util.module_from_spec(spec)
+    sys.modules[name] = module  # cache (it also ensures `==` works on loaded items)
+    spec.loader.exec_module(module)  # type: ignore
+    return module
+
+
+def _find_module(
+    module_name: str, package_dir: Optional[Mapping[str, str]], root_dir: _Path
+) -> Tuple[_Path, Optional[str], str]:
+    """Given a module (that could normally be imported by ``module_name``
+    after the build is complete), find the path to the parent directory where
+    it is contained and the canonical name that could be used to import it
+    considering the ``package_dir`` in the build configuration and ``root_dir``
+    """
+    parent_path = root_dir
+    module_parts = module_name.split('.')
+    if package_dir:
+        if module_parts[0] in package_dir:
+            # A custom path was specified for the module we want to import
+            custom_path = package_dir[module_parts[0]]
+            parts = custom_path.rsplit('/', 1)
+            if len(parts) > 1:
+                parent_path = os.path.join(root_dir, parts[0])
+                parent_module = parts[1]
+            else:
+                parent_module = custom_path
+            module_name = ".".join([parent_module, *module_parts[1:]])
+        elif '' in package_dir:
+            # A custom parent directory was specified for all root modules
+            parent_path = os.path.join(root_dir, package_dir[''])
+
+    path_start = os.path.join(parent_path, *module_name.split("."))
+    candidates = chain(
+        (f"{path_start}.py", os.path.join(path_start, "__init__.py")),
+        iglob(f"{path_start}.*")
+    )
+    module_path = next((x for x in candidates if os.path.isfile(x)), None)
+    return parent_path, module_path, module_name
+
+
+def resolve_class(
+    qualified_class_name: str,
+    package_dir: Optional[Mapping[str, str]] = None,
+    root_dir: Optional[_Path] = None
+) -> Callable:
+    """Given a qualified class name, return the associated class object"""
+    root_dir = root_dir or os.getcwd()
+    idx = qualified_class_name.rfind('.')
+    class_name = qualified_class_name[idx + 1 :]
+    pkg_name = qualified_class_name[:idx]
+
+    _parent_path, path, module_name = _find_module(pkg_name, package_dir, root_dir)
+    module = _load_spec(_find_spec(module_name, path), module_name)
+    return getattr(module, class_name)
+
+
+def cmdclass(
+    values: Dict[str, str],
+    package_dir: Optional[Mapping[str, str]] = None,
+    root_dir: Optional[_Path] = None
+) -> Dict[str, Callable]:
+    """Given a dictionary mapping command names to strings for qualified class
+    names, apply :func:`resolve_class` to the dict values.
+    """
+    return {k: resolve_class(v, package_dir, root_dir) for k, v in values.items()}
+
+
+def find_packages(
+    *,
+    namespaces=True,
+    fill_package_dir: Optional[Dict[str, str]] = None,
+    root_dir: Optional[_Path] = None,
+    **kwargs
+) -> List[str]:
+    """Works similarly to :func:`setuptools.find_packages`, but with all
+    arguments given as keyword arguments. Moreover, ``where`` can be given
+    as a list (the results will be simply concatenated).
+
+    When the additional keyword argument ``namespaces`` is ``True``, it will
+    behave like :func:`setuptools.find_namespace_packages`` (i.e. include
+    implicit namespaces as per :pep:`420`).
+
+    The ``where`` argument will be considered relative to ``root_dir`` (or the current
+    working directory when ``root_dir`` is not given).
+
+    If the ``fill_package_dir`` argument is passed, this function will consider it as a
+    similar data structure to the ``package_dir`` configuration parameter add fill-in
+    any missing package location.
+
+    :rtype: list
+    """
+    from setuptools.discovery import construct_package_dir
+    from setuptools.extern.more_itertools import unique_everseen, always_iterable
+
+    if namespaces:
+        from setuptools.discovery import PEP420PackageFinder as PackageFinder
+    else:
+        from setuptools.discovery import PackageFinder  # type: ignore
+
+    root_dir = root_dir or os.curdir
+    where = kwargs.pop('where', ['.'])
+    packages: List[str] = []
+    fill_package_dir = {} if fill_package_dir is None else fill_package_dir
+    search = list(unique_everseen(always_iterable(where)))
+
+    if len(search) == 1 and all(not _same_path(search[0], x) for x in (".", root_dir)):
+        fill_package_dir.setdefault("", search[0])
+
+    for path in search:
+        package_path = _nest_path(root_dir, path)
+        pkgs = PackageFinder.find(package_path, **kwargs)
+        packages.extend(pkgs)
+        if pkgs and not (
+            fill_package_dir.get("") == path
+            or os.path.samefile(package_path, root_dir)
+        ):
+            fill_package_dir.update(construct_package_dir(pkgs, path))
+
+    return packages
+
+
+def _nest_path(parent: _Path, path: _Path) -> str:
+    path = parent if path in {".", ""} else os.path.join(parent, path)
+    return os.path.normpath(path)
+
+
+def version(value: Union[Callable, Iterable[Union[str, int]], str]) -> str:
+    """When getting the version directly from an attribute,
+    it should be normalised to string.
+    """
+    if callable(value):
+        value = value()
+
+    value = cast(Iterable[Union[str, int]], value)
+
+    if not isinstance(value, str):
+        if hasattr(value, '__iter__'):
+            value = '.'.join(map(str, value))
+        else:
+            value = '%s' % value
+
+    return value
+
+
+def canonic_package_data(package_data: dict) -> dict:
+    if "*" in package_data:
+        package_data[""] = package_data.pop("*")
+    return package_data
+
+
+def canonic_data_files(
+    data_files: Union[list, dict], root_dir: Optional[_Path] = None
+) -> List[Tuple[str, List[str]]]:
+    """For compatibility with ``setup.py``, ``data_files`` should be a list
+    of pairs instead of a dict.
+
+    This function also expands glob patterns.
+    """
+    if isinstance(data_files, list):
+        return data_files
+
+    return [
+        (dest, glob_relative(patterns, root_dir))
+        for dest, patterns in data_files.items()
+    ]
+
+
+def entry_points(text: str, text_source="entry-points") -> Dict[str, dict]:
+    """Given the contents of entry-points file,
+    process it into a 2-level dictionary (``dict[str, dict[str, str]]``).
+    The first level keys are entry-point groups, the second level keys are
+    entry-point names, and the second level values are references to objects
+    (that correspond to the entry-point value).
+    """
+    parser = ConfigParser(default_section=None, delimiters=("=",))  # type: ignore
+    parser.optionxform = str  # case sensitive
+    parser.read_string(text, text_source)
+    groups = {k: dict(v.items()) for k, v in parser.items()}
+    groups.pop(parser.default_section, None)
+    return groups
+
+
+class EnsurePackagesDiscovered:
+    """Some expand functions require all the packages to already be discovered before
+    they run, e.g. :func:`read_attr`, :func:`resolve_class`, :func:`cmdclass`.
+
+    Therefore in some cases we will need to run autodiscovery during the evaluation of
+    the configuration. However, it is better to postpone calling package discovery as
+    much as possible, because some parameters can influence it (e.g. ``package_dir``),
+    and those might not have been processed yet.
+    """
+
+    def __init__(self, distribution: "Distribution"):
+        self._dist = distribution
+        self._called = False
+
+    def __call__(self):
+        """Trigger the automatic package discovery, if it is still necessary."""
+        if not self._called:
+            self._called = True
+            self._dist.set_defaults(name=False)  # Skip name, we can still be parsing
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, _exc_type, _exc_value, _traceback):
+        if self._called:
+            self._dist.set_defaults.analyse_name()  # Now we can set a default name
+
+    def _get_package_dir(self) -> Mapping[str, str]:
+        self()
+        pkg_dir = self._dist.package_dir
+        return {} if pkg_dir is None else pkg_dir
+
+    @property
+    def package_dir(self) -> Mapping[str, str]:
+        """Proxy to ``package_dir`` that may trigger auto-discovery when used."""
+        return LazyMappingProxy(self._get_package_dir)
+
+
+class LazyMappingProxy(Mapping[_K, _V]):
+    """Mapping proxy that delays resolving the target object, until really needed.
+
+    >>> def obtain_mapping():
+    ...     print("Running expensive function!")
+    ...     return {"key": "value", "other key": "other value"}
+    >>> mapping = LazyMappingProxy(obtain_mapping)
+    >>> mapping["key"]
+    Running expensive function!
+    'value'
+    >>> mapping["other key"]
+    'other value'
+    """
+
+    def __init__(self, obtain_mapping_value: Callable[[], Mapping[_K, _V]]):
+        self._obtain = obtain_mapping_value
+        self._value: Optional[Mapping[_K, _V]] = None
+
+    def _target(self) -> Mapping[_K, _V]:
+        if self._value is None:
+            self._value = self._obtain()
+        return self._value
+
+    def __getitem__(self, key: _K) -> _V:
+        return self._target()[key]
+
+    def __len__(self) -> int:
+        return len(self._target())
+
+    def __iter__(self) -> Iterator[_K]:
+        return iter(self._target())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/pyprojecttoml.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/pyprojecttoml.py
new file mode 100644
index 00000000..d995f0bc
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/pyprojecttoml.py
@@ -0,0 +1,493 @@
+"""
+Load setuptools configuration from ``pyproject.toml`` files.
+
+**PRIVATE MODULE**: API reserved for setuptools internal usage only.
+"""
+import logging
+import os
+import warnings
+from contextlib import contextmanager
+from functools import partial
+from typing import TYPE_CHECKING, Callable, Dict, Optional, Mapping, Union
+
+from setuptools.errors import FileError, OptionError
+
+from . import expand as _expand
+from ._apply_pyprojecttoml import apply as _apply
+from ._apply_pyprojecttoml import _PREVIOUSLY_DEFINED, _WouldIgnoreField
+
+if TYPE_CHECKING:
+    from setuptools.dist import Distribution  # noqa
+
+_Path = Union[str, os.PathLike]
+_logger = logging.getLogger(__name__)
+
+
+def load_file(filepath: _Path) -> dict:
+    from setuptools.extern import tomli  # type: ignore
+
+    with open(filepath, "rb") as file:
+        return tomli.load(file)
+
+
+def validate(config: dict, filepath: _Path) -> bool:
+    from . import _validate_pyproject as validator
+
+    trove_classifier = validator.FORMAT_FUNCTIONS.get("trove-classifier")
+    if hasattr(trove_classifier, "_disable_download"):
+        # Improve reproducibility by default. See issue 31 for validate-pyproject.
+        trove_classifier._disable_download()  # type: ignore
+
+    try:
+        return validator.validate(config)
+    except validator.ValidationError as ex:
+        summary = f"configuration error: {ex.summary}"
+        if ex.name.strip("`") != "project":
+            # Probably it is just a field missing/misnamed, not worthy the verbosity...
+            _logger.debug(summary)
+            _logger.debug(ex.details)
+
+        error = f"invalid pyproject.toml config: {ex.name}."
+        raise ValueError(f"{error}\n{summary}") from None
+
+
+def apply_configuration(
+    dist: "Distribution",
+    filepath: _Path,
+    ignore_option_errors=False,
+) -> "Distribution":
+    """Apply the configuration from a ``pyproject.toml`` file into an existing
+    distribution object.
+    """
+    config = read_configuration(filepath, True, ignore_option_errors, dist)
+    return _apply(dist, config, filepath)
+
+
+def read_configuration(
+    filepath: _Path,
+    expand=True,
+    ignore_option_errors=False,
+    dist: Optional["Distribution"] = None,
+):
+    """Read given configuration file and returns options from it as a dict.
+
+    :param str|unicode filepath: Path to configuration file in the ``pyproject.toml``
+        format.
+
+    :param bool expand: Whether to expand directives and other computed values
+        (i.e. post-process the given configuration)
+
+    :param bool ignore_option_errors: Whether to silently ignore
+        options, values of which could not be resolved (e.g. due to exceptions
+        in directives such as file:, attr:, etc.).
+        If False exceptions are propagated as expected.
+
+    :param Distribution|None: Distribution object to which the configuration refers.
+        If not given a dummy object will be created and discarded after the
+        configuration is read. This is used for auto-discovery of packages in the case
+        a dynamic configuration (e.g. ``attr`` or ``cmdclass``) is expanded.
+        When ``expand=False`` this object is simply ignored.
+
+    :rtype: dict
+    """
+    filepath = os.path.abspath(filepath)
+
+    if not os.path.isfile(filepath):
+        raise FileError(f"Configuration file {filepath!r} does not exist.")
+
+    asdict = load_file(filepath) or {}
+    project_table = asdict.get("project", {})
+    tool_table = asdict.get("tool", {})
+    setuptools_table = tool_table.get("setuptools", {})
+    if not asdict or not (project_table or setuptools_table):
+        return {}  # User is not using pyproject to configure setuptools
+
+    if setuptools_table:
+        # TODO: Remove the following once the feature stabilizes:
+        msg = "Support for `[tool.setuptools]` in `pyproject.toml` is still *beta*."
+        warnings.warn(msg, _BetaConfiguration)
+
+    # There is an overall sense in the community that making include_package_data=True
+    # the default would be an improvement.
+    # `ini2toml` backfills include_package_data=False when nothing is explicitly given,
+    # therefore setting a default here is backwards compatible.
+    orig_setuptools_table = setuptools_table.copy()
+    if dist and getattr(dist, "include_package_data") is not None:
+        setuptools_table.setdefault("include-package-data", dist.include_package_data)
+    else:
+        setuptools_table.setdefault("include-package-data", True)
+    # Persist changes:
+    asdict["tool"] = tool_table
+    tool_table["setuptools"] = setuptools_table
+
+    try:
+        # Don't complain about unrelated errors (e.g. tools not using the "tool" table)
+        subset = {"project": project_table, "tool": {"setuptools": setuptools_table}}
+        validate(subset, filepath)
+    except Exception as ex:
+        # TODO: Remove the following once the feature stabilizes:
+        if _skip_bad_config(project_table, orig_setuptools_table, dist):
+            return {}
+        # TODO: After the previous statement is removed the try/except can be replaced
+        # by the _ignore_errors context manager.
+        if ignore_option_errors:
+            _logger.debug(f"ignored error: {ex.__class__.__name__} - {ex}")
+        else:
+            raise  # re-raise exception
+
+    if expand:
+        root_dir = os.path.dirname(filepath)
+        return expand_configuration(asdict, root_dir, ignore_option_errors, dist)
+
+    return asdict
+
+
+def _skip_bad_config(
+    project_cfg: dict, setuptools_cfg: dict, dist: Optional["Distribution"]
+) -> bool:
+    """Be temporarily forgiving with invalid ``pyproject.toml``"""
+    # See pypa/setuptools#3199 and pypa/cibuildwheel#1064
+
+    if dist is None or (
+        dist.metadata.name is None
+        and dist.metadata.version is None
+        and dist.install_requires is None
+    ):
+        # It seems that the build is not getting any configuration from other places
+        return False
+
+    if setuptools_cfg:
+        # If `[tool.setuptools]` is set, then `pyproject.toml` config is intentional
+        return False
+
+    given_config = set(project_cfg.keys())
+    popular_subset = {"name", "version", "python_requires", "requires-python"}
+    if given_config <= popular_subset:
+        # It seems that the docs in cibuildtool has been inadvertently encouraging users
+        # to create `pyproject.toml` files that are not compliant with the standards.
+        # Let's be forgiving for the time being.
+        warnings.warn(_InvalidFile.message(), _InvalidFile, stacklevel=2)
+        return True
+
+    return False
+
+
+def expand_configuration(
+    config: dict,
+    root_dir: Optional[_Path] = None,
+    ignore_option_errors: bool = False,
+    dist: Optional["Distribution"] = None,
+) -> dict:
+    """Given a configuration with unresolved fields (e.g. dynamic, cmdclass, ...)
+    find their final values.
+
+    :param dict config: Dict containing the configuration for the distribution
+    :param str root_dir: Top-level directory for the distribution/project
+        (the same directory where ``pyproject.toml`` is place)
+    :param bool ignore_option_errors: see :func:`read_configuration`
+    :param Distribution|None: Distribution object to which the configuration refers.
+        If not given a dummy object will be created and discarded after the
+        configuration is read. Used in the case a dynamic configuration
+        (e.g. ``attr`` or ``cmdclass``).
+
+    :rtype: dict
+    """
+    return _ConfigExpander(config, root_dir, ignore_option_errors, dist).expand()
+
+
+class _ConfigExpander:
+    def __init__(
+        self,
+        config: dict,
+        root_dir: Optional[_Path] = None,
+        ignore_option_errors: bool = False,
+        dist: Optional["Distribution"] = None,
+    ):
+        self.config = config
+        self.root_dir = root_dir or os.getcwd()
+        self.project_cfg = config.get("project", {})
+        self.dynamic = self.project_cfg.get("dynamic", [])
+        self.setuptools_cfg = config.get("tool", {}).get("setuptools", {})
+        self.dynamic_cfg = self.setuptools_cfg.get("dynamic", {})
+        self.ignore_option_errors = ignore_option_errors
+        self._dist = dist
+
+    def _ensure_dist(self) -> "Distribution":
+        from setuptools.dist import Distribution
+
+        attrs = {"src_root": self.root_dir, "name": self.project_cfg.get("name", None)}
+        return self._dist or Distribution(attrs)
+
+    def _process_field(self, container: dict, field: str, fn: Callable):
+        if field in container:
+            with _ignore_errors(self.ignore_option_errors):
+                container[field] = fn(container[field])
+
+    def _canonic_package_data(self, field="package-data"):
+        package_data = self.setuptools_cfg.get(field, {})
+        return _expand.canonic_package_data(package_data)
+
+    def expand(self):
+        self._expand_packages()
+        self._canonic_package_data()
+        self._canonic_package_data("exclude-package-data")
+
+        # A distribution object is required for discovering the correct package_dir
+        dist = self._ensure_dist()
+        ctx = _EnsurePackagesDiscovered(dist, self.project_cfg, self.setuptools_cfg)
+        with ctx as ensure_discovered:
+            package_dir = ensure_discovered.package_dir
+            self._expand_data_files()
+            self._expand_cmdclass(package_dir)
+            self._expand_all_dynamic(dist, package_dir)
+
+        return self.config
+
+    def _expand_packages(self):
+        packages = self.setuptools_cfg.get("packages")
+        if packages is None or isinstance(packages, (list, tuple)):
+            return
+
+        find = packages.get("find")
+        if isinstance(find, dict):
+            find["root_dir"] = self.root_dir
+            find["fill_package_dir"] = self.setuptools_cfg.setdefault("package-dir", {})
+            with _ignore_errors(self.ignore_option_errors):
+                self.setuptools_cfg["packages"] = _expand.find_packages(**find)
+
+    def _expand_data_files(self):
+        data_files = partial(_expand.canonic_data_files, root_dir=self.root_dir)
+        self._process_field(self.setuptools_cfg, "data-files", data_files)
+
+    def _expand_cmdclass(self, package_dir: Mapping[str, str]):
+        root_dir = self.root_dir
+        cmdclass = partial(_expand.cmdclass, package_dir=package_dir, root_dir=root_dir)
+        self._process_field(self.setuptools_cfg, "cmdclass", cmdclass)
+
+    def _expand_all_dynamic(self, dist: "Distribution", package_dir: Mapping[str, str]):
+        special = (  # need special handling
+            "version",
+            "readme",
+            "entry-points",
+            "scripts",
+            "gui-scripts",
+            "classifiers",
+            "dependencies",
+            "optional-dependencies",
+        )
+        # `_obtain` functions are assumed to raise appropriate exceptions/warnings.
+        obtained_dynamic = {
+            field: self._obtain(dist, field, package_dir)
+            for field in self.dynamic
+            if field not in special
+        }
+        obtained_dynamic.update(
+            self._obtain_entry_points(dist, package_dir) or {},
+            version=self._obtain_version(dist, package_dir),
+            readme=self._obtain_readme(dist),
+            classifiers=self._obtain_classifiers(dist),
+            dependencies=self._obtain_dependencies(dist),
+            optional_dependencies=self._obtain_optional_dependencies(dist),
+        )
+        # `None` indicates there is nothing in `tool.setuptools.dynamic` but the value
+        # might have already been set by setup.py/extensions, so avoid overwriting.
+        updates = {k: v for k, v in obtained_dynamic.items() if v is not None}
+        self.project_cfg.update(updates)
+
+    def _ensure_previously_set(self, dist: "Distribution", field: str):
+        previous = _PREVIOUSLY_DEFINED[field](dist)
+        if previous is None and not self.ignore_option_errors:
+            msg = (
+                f"No configuration found for dynamic {field!r}.\n"
+                "Some dynamic fields need to be specified via `tool.setuptools.dynamic`"
+                "\nothers must be specified via the equivalent attribute in `setup.py`."
+            )
+            raise OptionError(msg)
+
+    def _expand_directive(
+        self, specifier: str, directive, package_dir: Mapping[str, str]
+    ):
+        with _ignore_errors(self.ignore_option_errors):
+            root_dir = self.root_dir
+            if "file" in directive:
+                return _expand.read_files(directive["file"], root_dir)
+            if "attr" in directive:
+                return _expand.read_attr(directive["attr"], package_dir, root_dir)
+            raise ValueError(f"invalid `{specifier}`: {directive!r}")
+        return None
+
+    def _obtain(self, dist: "Distribution", field: str, package_dir: Mapping[str, str]):
+        if field in self.dynamic_cfg:
+            return self._expand_directive(
+                f"tool.setuptools.dynamic.{field}",
+                self.dynamic_cfg[field],
+                package_dir,
+            )
+        self._ensure_previously_set(dist, field)
+        return None
+
+    def _obtain_version(self, dist: "Distribution", package_dir: Mapping[str, str]):
+        # Since plugins can set version, let's silently skip if it cannot be obtained
+        if "version" in self.dynamic and "version" in self.dynamic_cfg:
+            return _expand.version(self._obtain(dist, "version", package_dir))
+        return None
+
+    def _obtain_readme(self, dist: "Distribution") -> Optional[Dict[str, str]]:
+        if "readme" not in self.dynamic:
+            return None
+
+        dynamic_cfg = self.dynamic_cfg
+        if "readme" in dynamic_cfg:
+            return {
+                "text": self._obtain(dist, "readme", {}),
+                "content-type": dynamic_cfg["readme"].get("content-type", "text/x-rst"),
+            }
+
+        self._ensure_previously_set(dist, "readme")
+        return None
+
+    def _obtain_entry_points(
+        self, dist: "Distribution", package_dir: Mapping[str, str]
+    ) -> Optional[Dict[str, dict]]:
+        fields = ("entry-points", "scripts", "gui-scripts")
+        if not any(field in self.dynamic for field in fields):
+            return None
+
+        text = self._obtain(dist, "entry-points", package_dir)
+        if text is None:
+            return None
+
+        groups = _expand.entry_points(text)
+        expanded = {"entry-points": groups}
+
+        def _set_scripts(field: str, group: str):
+            if group in groups:
+                value = groups.pop(group)
+                if field not in self.dynamic:
+                    msg = _WouldIgnoreField.message(field, value)
+                    warnings.warn(msg, _WouldIgnoreField)
+                # TODO: Don't set field when support for pyproject.toml stabilizes
+                #       instead raise an error as specified in PEP 621
+                expanded[field] = value
+
+        _set_scripts("scripts", "console_scripts")
+        _set_scripts("gui-scripts", "gui_scripts")
+
+        return expanded
+
+    def _obtain_classifiers(self, dist: "Distribution"):
+        if "classifiers" in self.dynamic:
+            value = self._obtain(dist, "classifiers", {})
+            if value:
+                return value.splitlines()
+        return None
+
+    def _obtain_dependencies(self, dist: "Distribution"):
+        if "dependencies" in self.dynamic:
+            value = self._obtain(dist, "dependencies", {})
+            if value:
+                return _parse_requirements_list(value)
+        return None
+
+    def _obtain_optional_dependencies(self, dist: "Distribution"):
+        if "optional-dependencies" not in self.dynamic:
+            return None
+        if "optional-dependencies" in self.dynamic_cfg:
+            optional_dependencies_map = self.dynamic_cfg["optional-dependencies"]
+            assert isinstance(optional_dependencies_map, dict)
+            return {
+                group: _parse_requirements_list(self._expand_directive(
+                    f"tool.setuptools.dynamic.optional-dependencies.{group}",
+                    directive,
+                    {},
+                ))
+                for group, directive in optional_dependencies_map.items()
+            }
+        self._ensure_previously_set(dist, "optional-dependencies")
+        return None
+
+
+def _parse_requirements_list(value):
+    return [
+        line
+        for line in value.splitlines()
+        if line.strip() and not line.strip().startswith("#")
+    ]
+
+
+@contextmanager
+def _ignore_errors(ignore_option_errors: bool):
+    if not ignore_option_errors:
+        yield
+        return
+
+    try:
+        yield
+    except Exception as ex:
+        _logger.debug(f"ignored error: {ex.__class__.__name__} - {ex}")
+
+
+class _EnsurePackagesDiscovered(_expand.EnsurePackagesDiscovered):
+    def __init__(
+        self, distribution: "Distribution", project_cfg: dict, setuptools_cfg: dict
+    ):
+        super().__init__(distribution)
+        self._project_cfg = project_cfg
+        self._setuptools_cfg = setuptools_cfg
+
+    def __enter__(self):
+        """When entering the context, the values of ``packages``, ``py_modules`` and
+        ``package_dir`` that are missing in ``dist`` are copied from ``setuptools_cfg``.
+        """
+        dist, cfg = self._dist, self._setuptools_cfg
+        package_dir: Dict[str, str] = cfg.setdefault("package-dir", {})
+        package_dir.update(dist.package_dir or {})
+        dist.package_dir = package_dir  # needs to be the same object
+
+        dist.set_defaults._ignore_ext_modules()  # pyproject.toml-specific behaviour
+
+        # Set `name`, `py_modules` and `packages` in dist to short-circuit
+        # auto-discovery, but avoid overwriting empty lists purposefully set by users.
+        if dist.metadata.name is None:
+            dist.metadata.name = self._project_cfg.get("name")
+        if dist.py_modules is None:
+            dist.py_modules = cfg.get("py-modules")
+        if dist.packages is None:
+            dist.packages = cfg.get("packages")
+
+        return super().__enter__()
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        """When exiting the context, if values of ``packages``, ``py_modules`` and
+        ``package_dir`` are missing in ``setuptools_cfg``, copy from ``dist``.
+        """
+        # If anything was discovered set them back, so they count in the final config.
+        self._setuptools_cfg.setdefault("packages", self._dist.packages)
+        self._setuptools_cfg.setdefault("py-modules", self._dist.py_modules)
+        return super().__exit__(exc_type, exc_value, traceback)
+
+
+class _BetaConfiguration(UserWarning):
+    """Explicitly inform users that some `pyproject.toml` configuration is *beta*"""
+
+
+class _InvalidFile(UserWarning):
+    """The given `pyproject.toml` file is invalid and would be ignored.
+    !!\n\n
+    ############################
+    # Invalid `pyproject.toml` #
+    ############################
+
+    Any configurations in `pyproject.toml` will be ignored.
+    Please note that future releases of setuptools will halt the build process
+    if an invalid file is given.
+
+    To prevent setuptools from considering `pyproject.toml` please
+    DO NOT include the `[project]` or `[tool.setuptools]` tables in your file.
+    \n\n!!
+    """
+
+    @classmethod
+    def message(cls):
+        from inspect import cleandoc
+        return cleandoc(cls.__doc__)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/setupcfg.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/setupcfg.py
new file mode 100644
index 00000000..c2a974de
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/config/setupcfg.py
@@ -0,0 +1,762 @@
+"""
+Load setuptools configuration from ``setup.cfg`` files.
+
+**API will be made private in the future**
+"""
+import os
+
+import contextlib
+import functools
+import warnings
+from collections import defaultdict
+from functools import partial
+from functools import wraps
+from typing import (TYPE_CHECKING, Callable, Any, Dict, Generic, Iterable, List,
+                    Optional, Tuple, TypeVar, Union)
+
+from distutils.errors import DistutilsOptionError, DistutilsFileError
+from setuptools.extern.packaging.requirements import Requirement, InvalidRequirement
+from setuptools.extern.packaging.version import Version, InvalidVersion
+from setuptools.extern.packaging.specifiers import SpecifierSet
+from setuptools._deprecation_warning import SetuptoolsDeprecationWarning
+
+from . import expand
+
+if TYPE_CHECKING:
+    from setuptools.dist import Distribution  # noqa
+    from distutils.dist import DistributionMetadata  # noqa
+
+_Path = Union[str, os.PathLike]
+SingleCommandOptions = Dict["str", Tuple["str", Any]]
+"""Dict that associate the name of the options of a particular command to a
+tuple. The first element of the tuple indicates the origin of the option value
+(e.g. the name of the configuration file where it was read from),
+while the second element of the tuple is the option value itself
+"""
+AllCommandOptions = Dict["str", SingleCommandOptions]  # cmd name => its options
+Target = TypeVar("Target", bound=Union["Distribution", "DistributionMetadata"])
+
+
+def read_configuration(
+    filepath: _Path,
+    find_others=False,
+    ignore_option_errors=False
+) -> dict:
+    """Read given configuration file and returns options from it as a dict.
+
+    :param str|unicode filepath: Path to configuration file
+        to get options from.
+
+    :param bool find_others: Whether to search for other configuration files
+        which could be on in various places.
+
+    :param bool ignore_option_errors: Whether to silently ignore
+        options, values of which could not be resolved (e.g. due to exceptions
+        in directives such as file:, attr:, etc.).
+        If False exceptions are propagated as expected.
+
+    :rtype: dict
+    """
+    from setuptools.dist import Distribution
+
+    dist = Distribution()
+    filenames = dist.find_config_files() if find_others else []
+    handlers = _apply(dist, filepath, filenames, ignore_option_errors)
+    return configuration_to_dict(handlers)
+
+
+def apply_configuration(dist: "Distribution", filepath: _Path) -> "Distribution":
+    """Apply the configuration from a ``setup.cfg`` file into an existing
+    distribution object.
+    """
+    _apply(dist, filepath)
+    dist._finalize_requires()
+    return dist
+
+
+def _apply(
+    dist: "Distribution", filepath: _Path,
+    other_files: Iterable[_Path] = (),
+    ignore_option_errors: bool = False,
+) -> Tuple["ConfigHandler", ...]:
+    """Read configuration from ``filepath`` and applies to the ``dist`` object."""
+    from setuptools.dist import _Distribution
+
+    filepath = os.path.abspath(filepath)
+
+    if not os.path.isfile(filepath):
+        raise DistutilsFileError('Configuration file %s does not exist.' % filepath)
+
+    current_directory = os.getcwd()
+    os.chdir(os.path.dirname(filepath))
+    filenames = [*other_files, filepath]
+
+    try:
+        _Distribution.parse_config_files(dist, filenames=filenames)
+        handlers = parse_configuration(
+            dist, dist.command_options, ignore_option_errors=ignore_option_errors
+        )
+        dist._finalize_license_files()
+    finally:
+        os.chdir(current_directory)
+
+    return handlers
+
+
+def _get_option(target_obj: Target, key: str):
+    """
+    Given a target object and option key, get that option from
+    the target object, either through a get_{key} method or
+    from an attribute directly.
+    """
+    getter_name = 'get_{key}'.format(**locals())
+    by_attribute = functools.partial(getattr, target_obj, key)
+    getter = getattr(target_obj, getter_name, by_attribute)
+    return getter()
+
+
+def configuration_to_dict(handlers: Tuple["ConfigHandler", ...]) -> dict:
+    """Returns configuration data gathered by given handlers as a dict.
+
+    :param list[ConfigHandler] handlers: Handlers list,
+        usually from parse_configuration()
+
+    :rtype: dict
+    """
+    config_dict: dict = defaultdict(dict)
+
+    for handler in handlers:
+        for option in handler.set_options:
+            value = _get_option(handler.target_obj, option)
+            config_dict[handler.section_prefix][option] = value
+
+    return config_dict
+
+
+def parse_configuration(
+    distribution: "Distribution",
+    command_options: AllCommandOptions,
+    ignore_option_errors=False
+) -> Tuple["ConfigMetadataHandler", "ConfigOptionsHandler"]:
+    """Performs additional parsing of configuration options
+    for a distribution.
+
+    Returns a list of used option handlers.
+
+    :param Distribution distribution:
+    :param dict command_options:
+    :param bool ignore_option_errors: Whether to silently ignore
+        options, values of which could not be resolved (e.g. due to exceptions
+        in directives such as file:, attr:, etc.).
+        If False exceptions are propagated as expected.
+    :rtype: list
+    """
+    with expand.EnsurePackagesDiscovered(distribution) as ensure_discovered:
+        options = ConfigOptionsHandler(
+            distribution,
+            command_options,
+            ignore_option_errors,
+            ensure_discovered,
+        )
+
+        options.parse()
+        if not distribution.package_dir:
+            distribution.package_dir = options.package_dir  # Filled by `find_packages`
+
+        meta = ConfigMetadataHandler(
+            distribution.metadata,
+            command_options,
+            ignore_option_errors,
+            ensure_discovered,
+            distribution.package_dir,
+            distribution.src_root,
+        )
+        meta.parse()
+
+    return meta, options
+
+
+def _warn_accidental_env_marker_misconfig(label: str, orig_value: str, parsed: list):
+    """Because users sometimes misinterpret this configuration:
+
+    [options.extras_require]
+    foo = bar;python_version<"4"
+
+    It looks like one requirement with an environment marker
+    but because there is no newline, it's parsed as two requirements
+    with a semicolon as separator.
+
+    Therefore, if:
+        * input string does not contain a newline AND
+        * parsed result contains two requirements AND
+        * parsing of the two parts from the result ("<first>;<second>")
+        leads in a valid Requirement with a valid marker
+    a UserWarning is shown to inform the user about the possible problem.
+    """
+    if "\n" in orig_value or len(parsed) != 2:
+        return
+
+    with contextlib.suppress(InvalidRequirement):
+        original_requirements_str = ";".join(parsed)
+        req = Requirement(original_requirements_str)
+        if req.marker is not None:
+            msg = (
+                f"One of the parsed requirements in `{label}` "
+                f"looks like a valid environment marker: '{parsed[1]}'\n"
+                "Make sure that the config is correct and check "
+                "https://setuptools.pypa.io/en/latest/userguide/declarative_config.html#opt-2"  # noqa: E501
+            )
+            warnings.warn(msg, UserWarning)
+
+
+class ConfigHandler(Generic[Target]):
+    """Handles metadata supplied in configuration files."""
+
+    section_prefix: str
+    """Prefix for config sections handled by this handler.
+    Must be provided by class heirs.
+
+    """
+
+    aliases: Dict[str, str] = {}
+    """Options aliases.
+    For compatibility with various packages. E.g.: d2to1 and pbr.
+    Note: `-` in keys is replaced with `_` by config parser.
+
+    """
+
+    def __init__(
+        self,
+        target_obj: Target,
+        options: AllCommandOptions,
+        ignore_option_errors,
+        ensure_discovered: expand.EnsurePackagesDiscovered,
+    ):
+        sections: AllCommandOptions = {}
+
+        section_prefix = self.section_prefix
+        for section_name, section_options in options.items():
+            if not section_name.startswith(section_prefix):
+                continue
+
+            section_name = section_name.replace(section_prefix, '').strip('.')
+            sections[section_name] = section_options
+
+        self.ignore_option_errors = ignore_option_errors
+        self.target_obj = target_obj
+        self.sections = sections
+        self.set_options: List[str] = []
+        self.ensure_discovered = ensure_discovered
+
+    @property
+    def parsers(self):
+        """Metadata item name to parser function mapping."""
+        raise NotImplementedError(
+            '%s must provide .parsers property' % self.__class__.__name__
+        )
+
+    def __setitem__(self, option_name, value):
+        unknown = tuple()
+        target_obj = self.target_obj
+
+        # Translate alias into real name.
+        option_name = self.aliases.get(option_name, option_name)
+
+        current_value = getattr(target_obj, option_name, unknown)
+
+        if current_value is unknown:
+            raise KeyError(option_name)
+
+        if current_value:
+            # Already inhabited. Skipping.
+            return
+
+        skip_option = False
+        parser = self.parsers.get(option_name)
+        if parser:
+            try:
+                value = parser(value)
+
+            except Exception:
+                skip_option = True
+                if not self.ignore_option_errors:
+                    raise
+
+        if skip_option:
+            return
+
+        setter = getattr(target_obj, 'set_%s' % option_name, None)
+        if setter is None:
+            setattr(target_obj, option_name, value)
+        else:
+            setter(value)
+
+        self.set_options.append(option_name)
+
+    @classmethod
+    def _parse_list(cls, value, separator=','):
+        """Represents value as a list.
+
+        Value is split either by separator (defaults to comma) or by lines.
+
+        :param value:
+        :param separator: List items separator character.
+        :rtype: list
+        """
+        if isinstance(value, list):  # _get_parser_compound case
+            return value
+
+        if '\n' in value:
+            value = value.splitlines()
+        else:
+            value = value.split(separator)
+
+        return [chunk.strip() for chunk in value if chunk.strip()]
+
+    @classmethod
+    def _parse_dict(cls, value):
+        """Represents value as a dict.
+
+        :param value:
+        :rtype: dict
+        """
+        separator = '='
+        result = {}
+        for line in cls._parse_list(value):
+            key, sep, val = line.partition(separator)
+            if sep != separator:
+                raise DistutilsOptionError(
+                    'Unable to parse option value to dict: %s' % value
+                )
+            result[key.strip()] = val.strip()
+
+        return result
+
+    @classmethod
+    def _parse_bool(cls, value):
+        """Represents value as boolean.
+
+        :param value:
+        :rtype: bool
+        """
+        value = value.lower()
+        return value in ('1', 'true', 'yes')
+
+    @classmethod
+    def _exclude_files_parser(cls, key):
+        """Returns a parser function to make sure field inputs
+        are not files.
+
+        Parses a value after getting the key so error messages are
+        more informative.
+
+        :param key:
+        :rtype: callable
+        """
+
+        def parser(value):
+            exclude_directive = 'file:'
+            if value.startswith(exclude_directive):
+                raise ValueError(
+                    'Only strings are accepted for the {0} field, '
+                    'files are not accepted'.format(key)
+                )
+            return value
+
+        return parser
+
+    @classmethod
+    def _parse_file(cls, value, root_dir: _Path):
+        """Represents value as a string, allowing including text
+        from nearest files using `file:` directive.
+
+        Directive is sandboxed and won't reach anything outside
+        directory with setup.py.
+
+        Examples:
+            file: README.rst, CHANGELOG.md, src/file.txt
+
+        :param str value:
+        :rtype: str
+        """
+        include_directive = 'file:'
+
+        if not isinstance(value, str):
+            return value
+
+        if not value.startswith(include_directive):
+            return value
+
+        spec = value[len(include_directive) :]
+        filepaths = (path.strip() for path in spec.split(','))
+        return expand.read_files(filepaths, root_dir)
+
+    def _parse_attr(self, value, package_dir, root_dir: _Path):
+        """Represents value as a module attribute.
+
+        Examples:
+            attr: package.attr
+            attr: package.module.attr
+
+        :param str value:
+        :rtype: str
+        """
+        attr_directive = 'attr:'
+        if not value.startswith(attr_directive):
+            return value
+
+        attr_desc = value.replace(attr_directive, '')
+
+        # Make sure package_dir is populated correctly, so `attr:` directives can work
+        package_dir.update(self.ensure_discovered.package_dir)
+        return expand.read_attr(attr_desc, package_dir, root_dir)
+
+    @classmethod
+    def _get_parser_compound(cls, *parse_methods):
+        """Returns parser function to represents value as a list.
+
+        Parses a value applying given methods one after another.
+
+        :param parse_methods:
+        :rtype: callable
+        """
+
+        def parse(value):
+            parsed = value
+
+            for method in parse_methods:
+                parsed = method(parsed)
+
+            return parsed
+
+        return parse
+
+    @classmethod
+    def _parse_section_to_dict_with_key(cls, section_options, values_parser):
+        """Parses section options into a dictionary.
+
+        Applies a given parser to each option in a section.
+
+        :param dict section_options:
+        :param callable values_parser: function with 2 args corresponding to key, value
+        :rtype: dict
+        """
+        value = {}
+        for key, (_, val) in section_options.items():
+            value[key] = values_parser(key, val)
+        return value
+
+    @classmethod
+    def _parse_section_to_dict(cls, section_options, values_parser=None):
+        """Parses section options into a dictionary.
+
+        Optionally applies a given parser to each value.
+
+        :param dict section_options:
+        :param callable values_parser: function with 1 arg corresponding to option value
+        :rtype: dict
+        """
+        parser = (lambda _, v: values_parser(v)) if values_parser else (lambda _, v: v)
+        return cls._parse_section_to_dict_with_key(section_options, parser)
+
+    def parse_section(self, section_options):
+        """Parses configuration file section.
+
+        :param dict section_options:
+        """
+        for (name, (_, value)) in section_options.items():
+            with contextlib.suppress(KeyError):
+                # Keep silent for a new option may appear anytime.
+                self[name] = value
+
+    def parse(self):
+        """Parses configuration file items from one
+        or more related sections.
+
+        """
+        for section_name, section_options in self.sections.items():
+
+            method_postfix = ''
+            if section_name:  # [section.option] variant
+                method_postfix = '_%s' % section_name
+
+            section_parser_method: Optional[Callable] = getattr(
+                self,
+                # Dots in section names are translated into dunderscores.
+                ('parse_section%s' % method_postfix).replace('.', '__'),
+                None,
+            )
+
+            if section_parser_method is None:
+                raise DistutilsOptionError(
+                    'Unsupported distribution option section: [%s.%s]'
+                    % (self.section_prefix, section_name)
+                )
+
+            section_parser_method(section_options)
+
+    def _deprecated_config_handler(self, func, msg, warning_class):
+        """this function will wrap around parameters that are deprecated
+
+        :param msg: deprecation message
+        :param warning_class: class of warning exception to be raised
+        :param func: function to be wrapped around
+        """
+
+        @wraps(func)
+        def config_handler(*args, **kwargs):
+            warnings.warn(msg, warning_class)
+            return func(*args, **kwargs)
+
+        return config_handler
+
+
+class ConfigMetadataHandler(ConfigHandler["DistributionMetadata"]):
+
+    section_prefix = 'metadata'
+
+    aliases = {
+        'home_page': 'url',
+        'summary': 'description',
+        'classifier': 'classifiers',
+        'platform': 'platforms',
+    }
+
+    strict_mode = False
+    """We need to keep it loose, to be partially compatible with
+    `pbr` and `d2to1` packages which also uses `metadata` section.
+
+    """
+
+    def __init__(
+        self,
+        target_obj: "DistributionMetadata",
+        options: AllCommandOptions,
+        ignore_option_errors: bool,
+        ensure_discovered: expand.EnsurePackagesDiscovered,
+        package_dir: Optional[dict] = None,
+        root_dir: _Path = os.curdir
+    ):
+        super().__init__(target_obj, options, ignore_option_errors, ensure_discovered)
+        self.package_dir = package_dir
+        self.root_dir = root_dir
+
+    @property
+    def parsers(self):
+        """Metadata item name to parser function mapping."""
+        parse_list = self._parse_list
+        parse_file = partial(self._parse_file, root_dir=self.root_dir)
+        parse_dict = self._parse_dict
+        exclude_files_parser = self._exclude_files_parser
+
+        return {
+            'platforms': parse_list,
+            'keywords': parse_list,
+            'provides': parse_list,
+            'requires': self._deprecated_config_handler(
+                parse_list,
+                "The requires parameter is deprecated, please use "
+                "install_requires for runtime dependencies.",
+                SetuptoolsDeprecationWarning,
+            ),
+            'obsoletes': parse_list,
+            'classifiers': self._get_parser_compound(parse_file, parse_list),
+            'license': exclude_files_parser('license'),
+            'license_file': self._deprecated_config_handler(
+                exclude_files_parser('license_file'),
+                "The license_file parameter is deprecated, "
+                "use license_files instead.",
+                SetuptoolsDeprecationWarning,
+            ),
+            'license_files': parse_list,
+            'description': parse_file,
+            'long_description': parse_file,
+            'version': self._parse_version,
+            'project_urls': parse_dict,
+        }
+
+    def _parse_version(self, value):
+        """Parses `version` option value.
+
+        :param value:
+        :rtype: str
+
+        """
+        version = self._parse_file(value, self.root_dir)
+
+        if version != value:
+            version = version.strip()
+            # Be strict about versions loaded from file because it's easy to
+            # accidentally include newlines and other unintended content
+            try:
+                Version(version)
+            except InvalidVersion:
+                tmpl = (
+                    'Version loaded from {value} does not '
+                    'comply with PEP 440: {version}'
+                )
+                raise DistutilsOptionError(tmpl.format(**locals()))
+
+            return version
+
+        return expand.version(self._parse_attr(value, self.package_dir, self.root_dir))
+
+
+class ConfigOptionsHandler(ConfigHandler["Distribution"]):
+
+    section_prefix = 'options'
+
+    def __init__(
+        self,
+        target_obj: "Distribution",
+        options: AllCommandOptions,
+        ignore_option_errors: bool,
+        ensure_discovered: expand.EnsurePackagesDiscovered,
+    ):
+        super().__init__(target_obj, options, ignore_option_errors, ensure_discovered)
+        self.root_dir = target_obj.src_root
+        self.package_dir: Dict[str, str] = {}  # To be filled by `find_packages`
+
+    @classmethod
+    def _parse_list_semicolon(cls, value):
+        return cls._parse_list(value, separator=';')
+
+    def _parse_file_in_root(self, value):
+        return self._parse_file(value, root_dir=self.root_dir)
+
+    def _parse_requirements_list(self, label: str, value: str):
+        # Parse a requirements list, either by reading in a `file:`, or a list.
+        parsed = self._parse_list_semicolon(self._parse_file_in_root(value))
+        _warn_accidental_env_marker_misconfig(label, value, parsed)
+        # Filter it to only include lines that are not comments. `parse_list`
+        # will have stripped each line and filtered out empties.
+        return [line for line in parsed if not line.startswith("#")]
+
+    @property
+    def parsers(self):
+        """Metadata item name to parser function mapping."""
+        parse_list = self._parse_list
+        parse_bool = self._parse_bool
+        parse_dict = self._parse_dict
+        parse_cmdclass = self._parse_cmdclass
+
+        return {
+            'zip_safe': parse_bool,
+            'include_package_data': parse_bool,
+            'package_dir': parse_dict,
+            'scripts': parse_list,
+            'eager_resources': parse_list,
+            'dependency_links': parse_list,
+            'namespace_packages': self._deprecated_config_handler(
+                parse_list,
+                "The namespace_packages parameter is deprecated, "
+                "consider using implicit namespaces instead (PEP 420).",
+                SetuptoolsDeprecationWarning,
+            ),
+            'install_requires': partial(
+                self._parse_requirements_list, "install_requires"
+            ),
+            'setup_requires': self._parse_list_semicolon,
+            'tests_require': self._parse_list_semicolon,
+            'packages': self._parse_packages,
+            'entry_points': self._parse_file_in_root,
+            'py_modules': parse_list,
+            'python_requires': SpecifierSet,
+            'cmdclass': parse_cmdclass,
+        }
+
+    def _parse_cmdclass(self, value):
+        package_dir = self.ensure_discovered.package_dir
+        return expand.cmdclass(self._parse_dict(value), package_dir, self.root_dir)
+
+    def _parse_packages(self, value):
+        """Parses `packages` option value.
+
+        :param value:
+        :rtype: list
+        """
+        find_directives = ['find:', 'find_namespace:']
+        trimmed_value = value.strip()
+
+        if trimmed_value not in find_directives:
+            return self._parse_list(value)
+
+        # Read function arguments from a dedicated section.
+        find_kwargs = self.parse_section_packages__find(
+            self.sections.get('packages.find', {})
+        )
+
+        find_kwargs.update(
+            namespaces=(trimmed_value == find_directives[1]),
+            root_dir=self.root_dir,
+            fill_package_dir=self.package_dir,
+        )
+
+        return expand.find_packages(**find_kwargs)
+
+    def parse_section_packages__find(self, section_options):
+        """Parses `packages.find` configuration file section.
+
+        To be used in conjunction with _parse_packages().
+
+        :param dict section_options:
+        """
+        section_data = self._parse_section_to_dict(section_options, self._parse_list)
+
+        valid_keys = ['where', 'include', 'exclude']
+
+        find_kwargs = dict(
+            [(k, v) for k, v in section_data.items() if k in valid_keys and v]
+        )
+
+        where = find_kwargs.get('where')
+        if where is not None:
+            find_kwargs['where'] = where[0]  # cast list to single val
+
+        return find_kwargs
+
+    def parse_section_entry_points(self, section_options):
+        """Parses `entry_points` configuration file section.
+
+        :param dict section_options:
+        """
+        parsed = self._parse_section_to_dict(section_options, self._parse_list)
+        self['entry_points'] = parsed
+
+    def _parse_package_data(self, section_options):
+        package_data = self._parse_section_to_dict(section_options, self._parse_list)
+        return expand.canonic_package_data(package_data)
+
+    def parse_section_package_data(self, section_options):
+        """Parses `package_data` configuration file section.
+
+        :param dict section_options:
+        """
+        self['package_data'] = self._parse_package_data(section_options)
+
+    def parse_section_exclude_package_data(self, section_options):
+        """Parses `exclude_package_data` configuration file section.
+
+        :param dict section_options:
+        """
+        self['exclude_package_data'] = self._parse_package_data(section_options)
+
+    def parse_section_extras_require(self, section_options):
+        """Parses `extras_require` configuration file section.
+
+        :param dict section_options:
+        """
+        parsed = self._parse_section_to_dict_with_key(
+            section_options,
+            lambda k, v: self._parse_requirements_list(f"extras_require[{k}]", v)
+        )
+
+        self['extras_require'] = parsed
+
+    def parse_section_data_files(self, section_options):
+        """Parses `data_files` configuration file section.
+
+        :param dict section_options:
+        """
+        parsed = self._parse_section_to_dict(section_options, self._parse_list)
+        self['data_files'] = expand.canonic_data_files(parsed, self.root_dir)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/dep_util.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/dep_util.py
new file mode 100644
index 00000000..521eb716
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/dep_util.py
@@ -0,0 +1,25 @@
+from distutils.dep_util import newer_group
+
+
+# yes, this is was almost entirely copy-pasted from
+# 'newer_pairwise()', this is just another convenience
+# function.
+def newer_pairwise_group(sources_groups, targets):
+    """Walk both arguments in parallel, testing if each source group is newer
+    than its corresponding target. Returns a pair of lists (sources_groups,
+    targets) where sources is newer than target, according to the semantics
+    of 'newer_group()'.
+    """
+    if len(sources_groups) != len(targets):
+        raise ValueError(
+            "'sources_group' and 'targets' must be the same length")
+
+    # build a pair of lists (sources_groups, targets) where source is newer
+    n_sources = []
+    n_targets = []
+    for i in range(len(sources_groups)):
+        if newer_group(sources_groups[i], targets[i]):
+            n_sources.append(sources_groups[i])
+            n_targets.append(targets[i])
+
+    return n_sources, n_targets
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/depends.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/depends.py
new file mode 100644
index 00000000..adffd12d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/depends.py
@@ -0,0 +1,176 @@
+import sys
+import marshal
+import contextlib
+import dis
+
+from setuptools.extern.packaging import version
+
+from ._imp import find_module, PY_COMPILED, PY_FROZEN, PY_SOURCE
+from . import _imp
+
+
+__all__ = [
+    'Require', 'find_module', 'get_module_constant', 'extract_constant'
+]
+
+
+class Require:
+    """A prerequisite to building or installing a distribution"""
+
+    def __init__(
+            self, name, requested_version, module, homepage='',
+            attribute=None, format=None):
+
+        if format is None and requested_version is not None:
+            format = version.Version
+
+        if format is not None:
+            requested_version = format(requested_version)
+            if attribute is None:
+                attribute = '__version__'
+
+        self.__dict__.update(locals())
+        del self.self
+
+    def full_name(self):
+        """Return full package/distribution name, w/version"""
+        if self.requested_version is not None:
+            return '%s-%s' % (self.name, self.requested_version)
+        return self.name
+
+    def version_ok(self, version):
+        """Is 'version' sufficiently up-to-date?"""
+        return self.attribute is None or self.format is None or \
+            str(version) != "unknown" and self.format(version) >= self.requested_version
+
+    def get_version(self, paths=None, default="unknown"):
+        """Get version number of installed module, 'None', or 'default'
+
+        Search 'paths' for module.  If not found, return 'None'.  If found,
+        return the extracted version attribute, or 'default' if no version
+        attribute was specified, or the value cannot be determined without
+        importing the module.  The version is formatted according to the
+        requirement's version format (if any), unless it is 'None' or the
+        supplied 'default'.
+        """
+
+        if self.attribute is None:
+            try:
+                f, p, i = find_module(self.module, paths)
+                if f:
+                    f.close()
+                return default
+            except ImportError:
+                return None
+
+        v = get_module_constant(self.module, self.attribute, default, paths)
+
+        if v is not None and v is not default and self.format is not None:
+            return self.format(v)
+
+        return v
+
+    def is_present(self, paths=None):
+        """Return true if dependency is present on 'paths'"""
+        return self.get_version(paths) is not None
+
+    def is_current(self, paths=None):
+        """Return true if dependency is present and up-to-date on 'paths'"""
+        version = self.get_version(paths)
+        if version is None:
+            return False
+        return self.version_ok(str(version))
+
+
+def maybe_close(f):
+    @contextlib.contextmanager
+    def empty():
+        yield
+        return
+    if not f:
+        return empty()
+
+    return contextlib.closing(f)
+
+
+def get_module_constant(module, symbol, default=-1, paths=None):
+    """Find 'module' by searching 'paths', and extract 'symbol'
+
+    Return 'None' if 'module' does not exist on 'paths', or it does not define
+    'symbol'.  If the module defines 'symbol' as a constant, return the
+    constant.  Otherwise, return 'default'."""
+
+    try:
+        f, path, (suffix, mode, kind) = info = find_module(module, paths)
+    except ImportError:
+        # Module doesn't exist
+        return None
+
+    with maybe_close(f):
+        if kind == PY_COMPILED:
+            f.read(8)  # skip magic & date
+            code = marshal.load(f)
+        elif kind == PY_FROZEN:
+            code = _imp.get_frozen_object(module, paths)
+        elif kind == PY_SOURCE:
+            code = compile(f.read(), path, 'exec')
+        else:
+            # Not something we can parse; we'll have to import it.  :(
+            imported = _imp.get_module(module, paths, info)
+            return getattr(imported, symbol, None)
+
+    return extract_constant(code, symbol, default)
+
+
+def extract_constant(code, symbol, default=-1):
+    """Extract the constant value of 'symbol' from 'code'
+
+    If the name 'symbol' is bound to a constant value by the Python code
+    object 'code', return that value.  If 'symbol' is bound to an expression,
+    return 'default'.  Otherwise, return 'None'.
+
+    Return value is based on the first assignment to 'symbol'.  'symbol' must
+    be a global, or at least a non-"fast" local in the code block.  That is,
+    only 'STORE_NAME' and 'STORE_GLOBAL' opcodes are checked, and 'symbol'
+    must be present in 'code.co_names'.
+    """
+    if symbol not in code.co_names:
+        # name's not there, can't possibly be an assignment
+        return None
+
+    name_idx = list(code.co_names).index(symbol)
+
+    STORE_NAME = 90
+    STORE_GLOBAL = 97
+    LOAD_CONST = 100
+
+    const = default
+
+    for byte_code in dis.Bytecode(code):
+        op = byte_code.opcode
+        arg = byte_code.arg
+
+        if op == LOAD_CONST:
+            const = code.co_consts[arg]
+        elif arg == name_idx and (op == STORE_NAME or op == STORE_GLOBAL):
+            return const
+        else:
+            const = default
+
+
+def _update_globals():
+    """
+    Patch the globals to remove the objects not available on some platforms.
+
+    XXX it'd be better to test assertions about bytecode instead.
+    """
+
+    if not sys.platform.startswith('java') and sys.platform != 'cli':
+        return
+    incompatible = 'extract_constant', 'get_module_constant'
+    for name in incompatible:
+        del globals()[name]
+        __all__.remove(name)
+
+
+_update_globals()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/discovery.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/discovery.py
new file mode 100644
index 00000000..98fc2a7f
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/discovery.py
@@ -0,0 +1,600 @@
+"""Automatic discovery of Python modules and packages (for inclusion in the
+distribution) and other config values.
+
+For the purposes of this module, the following nomenclature is used:
+
+- "src-layout": a directory representing a Python project that contains a "src"
+  folder. Everything under the "src" folder is meant to be included in the
+  distribution when packaging the project. Example::
+
+    .
+    ├── tox.ini
+    ├── pyproject.toml
+    └── src/
+        └── mypkg/
+            ├── __init__.py
+            ├── mymodule.py
+            └── my_data_file.txt
+
+- "flat-layout": a Python project that does not use "src-layout" but instead
+  have a directory under the project root for each package::
+
+    .
+    ├── tox.ini
+    ├── pyproject.toml
+    └── mypkg/
+        ├── __init__.py
+        ├── mymodule.py
+        └── my_data_file.txt
+
+- "single-module": a project that contains a single Python script direct under
+  the project root (no directory used)::
+
+    .
+    ├── tox.ini
+    ├── pyproject.toml
+    └── mymodule.py
+
+"""
+
+import itertools
+import os
+from fnmatch import fnmatchcase
+from glob import glob
+from pathlib import Path
+from typing import (
+    TYPE_CHECKING,
+    Callable,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Mapping,
+    Optional,
+    Tuple,
+    Union
+)
+
+import _distutils_hack.override  # noqa: F401
+
+from distutils import log
+from distutils.util import convert_path
+
+_Path = Union[str, os.PathLike]
+_Filter = Callable[[str], bool]
+StrIter = Iterator[str]
+
+chain_iter = itertools.chain.from_iterable
+
+if TYPE_CHECKING:
+    from setuptools import Distribution  # noqa
+
+
+def _valid_name(path: _Path) -> bool:
+    # Ignore invalid names that cannot be imported directly
+    return os.path.basename(path).isidentifier()
+
+
+class _Finder:
+    """Base class that exposes functionality for module/package finders"""
+
+    ALWAYS_EXCLUDE: Tuple[str, ...] = ()
+    DEFAULT_EXCLUDE: Tuple[str, ...] = ()
+
+    @classmethod
+    def find(
+        cls,
+        where: _Path = '.',
+        exclude: Iterable[str] = (),
+        include: Iterable[str] = ('*',)
+    ) -> List[str]:
+        """Return a list of all Python items (packages or modules, depending on
+        the finder implementation) found within directory 'where'.
+
+        'where' is the root directory which will be searched.
+        It should be supplied as a "cross-platform" (i.e. URL-style) path;
+        it will be converted to the appropriate local path syntax.
+
+        'exclude' is a sequence of names to exclude; '*' can be used
+        as a wildcard in the names.
+        When finding packages, 'foo.*' will exclude all subpackages of 'foo'
+        (but not 'foo' itself).
+
+        'include' is a sequence of names to include.
+        If it's specified, only the named items will be included.
+        If it's not specified, all found items will be included.
+        'include' can contain shell style wildcard patterns just like
+        'exclude'.
+        """
+
+        exclude = exclude or cls.DEFAULT_EXCLUDE
+        return list(
+            cls._find_iter(
+                convert_path(str(where)),
+                cls._build_filter(*cls.ALWAYS_EXCLUDE, *exclude),
+                cls._build_filter(*include),
+            )
+        )
+
+    @classmethod
+    def _find_iter(cls, where: _Path, exclude: _Filter, include: _Filter) -> StrIter:
+        raise NotImplementedError
+
+    @staticmethod
+    def _build_filter(*patterns: str) -> _Filter:
+        """
+        Given a list of patterns, return a callable that will be true only if
+        the input matches at least one of the patterns.
+        """
+        return lambda name: any(fnmatchcase(name, pat) for pat in patterns)
+
+
+class PackageFinder(_Finder):
+    """
+    Generate a list of all Python packages found within a directory
+    """
+
+    ALWAYS_EXCLUDE = ("ez_setup", "*__pycache__")
+
+    @classmethod
+    def _find_iter(cls, where: _Path, exclude: _Filter, include: _Filter) -> StrIter:
+        """
+        All the packages found in 'where' that pass the 'include' filter, but
+        not the 'exclude' filter.
+        """
+        for root, dirs, files in os.walk(str(where), followlinks=True):
+            # Copy dirs to iterate over it, then empty dirs.
+            all_dirs = dirs[:]
+            dirs[:] = []
+
+            for dir in all_dirs:
+                full_path = os.path.join(root, dir)
+                rel_path = os.path.relpath(full_path, where)
+                package = rel_path.replace(os.path.sep, '.')
+
+                # Skip directory trees that are not valid packages
+                if '.' in dir or not cls._looks_like_package(full_path, package):
+                    continue
+
+                # Should this package be included?
+                if include(package) and not exclude(package):
+                    yield package
+
+                # Keep searching subdirectories, as there may be more packages
+                # down there, even if the parent was excluded.
+                dirs.append(dir)
+
+    @staticmethod
+    def _looks_like_package(path: _Path, _package_name: str) -> bool:
+        """Does a directory look like a package?"""
+        return os.path.isfile(os.path.join(path, '__init__.py'))
+
+
+class PEP420PackageFinder(PackageFinder):
+    @staticmethod
+    def _looks_like_package(_path: _Path, _package_name: str) -> bool:
+        return True
+
+
+class ModuleFinder(_Finder):
+    """Find isolated Python modules.
+    This function will **not** recurse subdirectories.
+    """
+
+    @classmethod
+    def _find_iter(cls, where: _Path, exclude: _Filter, include: _Filter) -> StrIter:
+        for file in glob(os.path.join(where, "*.py")):
+            module, _ext = os.path.splitext(os.path.basename(file))
+
+            if not cls._looks_like_module(module):
+                continue
+
+            if include(module) and not exclude(module):
+                yield module
+
+    _looks_like_module = staticmethod(_valid_name)
+
+
+# We have to be extra careful in the case of flat layout to not include files
+# and directories not meant for distribution (e.g. tool-related)
+
+
+class FlatLayoutPackageFinder(PEP420PackageFinder):
+    _EXCLUDE = (
+        "ci",
+        "bin",
+        "doc",
+        "docs",
+        "documentation",
+        "manpages",
+        "news",
+        "changelog",
+        "test",
+        "tests",
+        "unit_test",
+        "unit_tests",
+        "example",
+        "examples",
+        "scripts",
+        "tools",
+        "util",
+        "utils",
+        "python",
+        "build",
+        "dist",
+        "venv",
+        "env",
+        "requirements",
+        # ---- Task runners / Build tools ----
+        "tasks",  # invoke
+        "fabfile",  # fabric
+        "site_scons",  # SCons
+        # ---- Other tools ----
+        "benchmark",
+        "benchmarks",
+        "exercise",
+        "exercises",
+        # ---- Hidden directories/Private packages ----
+        "[._]*",
+    )
+
+    DEFAULT_EXCLUDE = tuple(chain_iter((p, f"{p}.*") for p in _EXCLUDE))
+    """Reserved package names"""
+
+    @staticmethod
+    def _looks_like_package(_path: _Path, package_name: str) -> bool:
+        names = package_name.split('.')
+        # Consider PEP 561
+        root_pkg_is_valid = names[0].isidentifier() or names[0].endswith("-stubs")
+        return root_pkg_is_valid and all(name.isidentifier() for name in names[1:])
+
+
+class FlatLayoutModuleFinder(ModuleFinder):
+    DEFAULT_EXCLUDE = (
+        "setup",
+        "conftest",
+        "test",
+        "tests",
+        "example",
+        "examples",
+        "build",
+        # ---- Task runners ----
+        "toxfile",
+        "noxfile",
+        "pavement",
+        "dodo",
+        "tasks",
+        "fabfile",
+        # ---- Other tools ----
+        "[Ss][Cc]onstruct",  # SCons
+        "conanfile",  # Connan: C/C++ build tool
+        "manage",  # Django
+        "benchmark",
+        "benchmarks",
+        "exercise",
+        "exercises",
+        # ---- Hidden files/Private modules ----
+        "[._]*",
+    )
+    """Reserved top-level module names"""
+
+
+def _find_packages_within(root_pkg: str, pkg_dir: _Path) -> List[str]:
+    nested = PEP420PackageFinder.find(pkg_dir)
+    return [root_pkg] + [".".join((root_pkg, n)) for n in nested]
+
+
+class ConfigDiscovery:
+    """Fill-in metadata and options that can be automatically derived
+    (from other metadata/options, the file system or conventions)
+    """
+
+    def __init__(self, distribution: "Distribution"):
+        self.dist = distribution
+        self._called = False
+        self._disabled = False
+        self._skip_ext_modules = False
+
+    def _disable(self):
+        """Internal API to disable automatic discovery"""
+        self._disabled = True
+
+    def _ignore_ext_modules(self):
+        """Internal API to disregard ext_modules.
+
+        Normally auto-discovery would not be triggered if ``ext_modules`` are set
+        (this is done for backward compatibility with existing packages relying on
+        ``setup.py`` or ``setup.cfg``). However, ``setuptools`` can call this function
+        to ignore given ``ext_modules`` and proceed with the auto-discovery if
+        ``packages`` and ``py_modules`` are not given (e.g. when using pyproject.toml
+        metadata).
+        """
+        self._skip_ext_modules = True
+
+    @property
+    def _root_dir(self) -> _Path:
+        # The best is to wait until `src_root` is set in dist, before using _root_dir.
+        return self.dist.src_root or os.curdir
+
+    @property
+    def _package_dir(self) -> Dict[str, str]:
+        if self.dist.package_dir is None:
+            return {}
+        return self.dist.package_dir
+
+    def __call__(self, force=False, name=True, ignore_ext_modules=False):
+        """Automatically discover missing configuration fields
+        and modifies the given ``distribution`` object in-place.
+
+        Note that by default this will only have an effect the first time the
+        ``ConfigDiscovery`` object is called.
+
+        To repeatedly invoke automatic discovery (e.g. when the project
+        directory changes), please use ``force=True`` (or create a new
+        ``ConfigDiscovery`` instance).
+        """
+        if force is False and (self._called or self._disabled):
+            # Avoid overhead of multiple calls
+            return
+
+        self._analyse_package_layout(ignore_ext_modules)
+        if name:
+            self.analyse_name()  # depends on ``packages`` and ``py_modules``
+
+        self._called = True
+
+    def _explicitly_specified(self, ignore_ext_modules: bool) -> bool:
+        """``True`` if the user has specified some form of package/module listing"""
+        ignore_ext_modules = ignore_ext_modules or self._skip_ext_modules
+        ext_modules = not (self.dist.ext_modules is None or ignore_ext_modules)
+        return (
+            self.dist.packages is not None
+            or self.dist.py_modules is not None
+            or ext_modules
+            or hasattr(self.dist, "configuration") and self.dist.configuration
+            # ^ Some projects use numpy.distutils.misc_util.Configuration
+        )
+
+    def _analyse_package_layout(self, ignore_ext_modules: bool) -> bool:
+        if self._explicitly_specified(ignore_ext_modules):
+            # For backward compatibility, just try to find modules/packages
+            # when nothing is given
+            return True
+
+        log.debug(
+            "No `packages` or `py_modules` configuration, performing "
+            "automatic discovery."
+        )
+
+        return (
+            self._analyse_explicit_layout()
+            or self._analyse_src_layout()
+            # flat-layout is the trickiest for discovery so it should be last
+            or self._analyse_flat_layout()
+        )
+
+    def _analyse_explicit_layout(self) -> bool:
+        """The user can explicitly give a package layout via ``package_dir``"""
+        package_dir = self._package_dir.copy()  # don't modify directly
+        package_dir.pop("", None)  # This falls under the "src-layout" umbrella
+        root_dir = self._root_dir
+
+        if not package_dir:
+            return False
+
+        log.debug(f"`explicit-layout` detected -- analysing {package_dir}")
+        pkgs = chain_iter(
+            _find_packages_within(pkg, os.path.join(root_dir, parent_dir))
+            for pkg, parent_dir in package_dir.items()
+        )
+        self.dist.packages = list(pkgs)
+        log.debug(f"discovered packages -- {self.dist.packages}")
+        return True
+
+    def _analyse_src_layout(self) -> bool:
+        """Try to find all packages or modules under the ``src`` directory
+        (or anything pointed by ``package_dir[""]``).
+
+        The "src-layout" is relatively safe for automatic discovery.
+        We assume that everything within is meant to be included in the
+        distribution.
+
+        If ``package_dir[""]`` is not given, but the ``src`` directory exists,
+        this function will set ``package_dir[""] = "src"``.
+        """
+        package_dir = self._package_dir
+        src_dir = os.path.join(self._root_dir, package_dir.get("", "src"))
+        if not os.path.isdir(src_dir):
+            return False
+
+        log.debug(f"`src-layout` detected -- analysing {src_dir}")
+        package_dir.setdefault("", os.path.basename(src_dir))
+        self.dist.package_dir = package_dir  # persist eventual modifications
+        self.dist.packages = PEP420PackageFinder.find(src_dir)
+        self.dist.py_modules = ModuleFinder.find(src_dir)
+        log.debug(f"discovered packages -- {self.dist.packages}")
+        log.debug(f"discovered py_modules -- {self.dist.py_modules}")
+        return True
+
+    def _analyse_flat_layout(self) -> bool:
+        """Try to find all packages and modules under the project root.
+
+        Since the ``flat-layout`` is more dangerous in terms of accidentally including
+        extra files/directories, this function is more conservative and will raise an
+        error if multiple packages or modules are found.
+
+        This assumes that multi-package dists are uncommon and refuse to support that
+        use case in order to be able to prevent unintended errors.
+        """
+        log.debug(f"`flat-layout` detected -- analysing {self._root_dir}")
+        return self._analyse_flat_packages() or self._analyse_flat_modules()
+
+    def _analyse_flat_packages(self) -> bool:
+        self.dist.packages = FlatLayoutPackageFinder.find(self._root_dir)
+        top_level = remove_nested_packages(remove_stubs(self.dist.packages))
+        log.debug(f"discovered packages -- {self.dist.packages}")
+        self._ensure_no_accidental_inclusion(top_level, "packages")
+        return bool(top_level)
+
+    def _analyse_flat_modules(self) -> bool:
+        self.dist.py_modules = FlatLayoutModuleFinder.find(self._root_dir)
+        log.debug(f"discovered py_modules -- {self.dist.py_modules}")
+        self._ensure_no_accidental_inclusion(self.dist.py_modules, "modules")
+        return bool(self.dist.py_modules)
+
+    def _ensure_no_accidental_inclusion(self, detected: List[str], kind: str):
+        if len(detected) > 1:
+            from inspect import cleandoc
+
+            from setuptools.errors import PackageDiscoveryError
+
+            msg = f"""Multiple top-level {kind} discovered in a flat-layout: {detected}.
+
+            To avoid accidental inclusion of unwanted files or directories,
+            setuptools will not proceed with this build.
+
+            If you are trying to create a single distribution with multiple {kind}
+            on purpose, you should not rely on automatic discovery.
+            Instead, consider the following options:
+
+            1. set up custom discovery (`find` directive with `include` or `exclude`)
+            2. use a `src-layout`
+            3. explicitly set `py_modules` or `packages` with a list of names
+
+            To find more information, look for "package discovery" on setuptools docs.
+            """
+            raise PackageDiscoveryError(cleandoc(msg))
+
+    def analyse_name(self):
+        """The packages/modules are the essential contribution of the author.
+        Therefore the name of the distribution can be derived from them.
+        """
+        if self.dist.metadata.name or self.dist.name:
+            # get_name() is not reliable (can return "UNKNOWN")
+            return None
+
+        log.debug("No `name` configuration, performing automatic discovery")
+
+        name = (
+            self._find_name_single_package_or_module()
+            or self._find_name_from_packages()
+        )
+        if name:
+            self.dist.metadata.name = name
+
+    def _find_name_single_package_or_module(self) -> Optional[str]:
+        """Exactly one module or package"""
+        for field in ('packages', 'py_modules'):
+            items = getattr(self.dist, field, None) or []
+            if items and len(items) == 1:
+                log.debug(f"Single module/package detected, name: {items[0]}")
+                return items[0]
+
+        return None
+
+    def _find_name_from_packages(self) -> Optional[str]:
+        """Try to find the root package that is not a PEP 420 namespace"""
+        if not self.dist.packages:
+            return None
+
+        packages = remove_stubs(sorted(self.dist.packages, key=len))
+        package_dir = self.dist.package_dir or {}
+
+        parent_pkg = find_parent_package(packages, package_dir, self._root_dir)
+        if parent_pkg:
+            log.debug(f"Common parent package detected, name: {parent_pkg}")
+            return parent_pkg
+
+        log.warn("No parent package detected, impossible to derive `name`")
+        return None
+
+
+def remove_nested_packages(packages: List[str]) -> List[str]:
+    """Remove nested packages from a list of packages.
+
+    >>> remove_nested_packages(["a", "a.b1", "a.b2", "a.b1.c1"])
+    ['a']
+    >>> remove_nested_packages(["a", "b", "c.d", "c.d.e.f", "g.h", "a.a1"])
+    ['a', 'b', 'c.d', 'g.h']
+    """
+    pkgs = sorted(packages, key=len)
+    top_level = pkgs[:]
+    size = len(pkgs)
+    for i, name in enumerate(reversed(pkgs)):
+        if any(name.startswith(f"{other}.") for other in top_level):
+            top_level.pop(size - i - 1)
+
+    return top_level
+
+
+def remove_stubs(packages: List[str]) -> List[str]:
+    """Remove type stubs (:pep:`561`) from a list of packages.
+
+    >>> remove_stubs(["a", "a.b", "a-stubs", "a-stubs.b.c", "b", "c-stubs"])
+    ['a', 'a.b', 'b']
+    """
+    return [pkg for pkg in packages if not pkg.split(".")[0].endswith("-stubs")]
+
+
+def find_parent_package(
+    packages: List[str], package_dir: Mapping[str, str], root_dir: _Path
+) -> Optional[str]:
+    """Find the parent package that is not a namespace."""
+    packages = sorted(packages, key=len)
+    common_ancestors = []
+    for i, name in enumerate(packages):
+        if not all(n.startswith(f"{name}.") for n in packages[i+1:]):
+            # Since packages are sorted by length, this condition is able
+            # to find a list of all common ancestors.
+            # When there is divergence (e.g. multiple root packages)
+            # the list will be empty
+            break
+        common_ancestors.append(name)
+
+    for name in common_ancestors:
+        pkg_path = find_package_path(name, package_dir, root_dir)
+        init = os.path.join(pkg_path, "__init__.py")
+        if os.path.isfile(init):
+            return name
+
+    return None
+
+
+def find_package_path(
+    name: str, package_dir: Mapping[str, str], root_dir: _Path
+) -> str:
+    """Given a package name, return the path where it should be found on
+    disk, considering the ``package_dir`` option.
+
+    >>> path = find_package_path("my.pkg", {"": "root/is/nested"}, ".")
+    >>> path.replace(os.sep, "/")
+    './root/is/nested/my/pkg'
+
+    >>> path = find_package_path("my.pkg", {"my": "root/is/nested"}, ".")
+    >>> path.replace(os.sep, "/")
+    './root/is/nested/pkg'
+
+    >>> path = find_package_path("my.pkg", {"my.pkg": "root/is/nested"}, ".")
+    >>> path.replace(os.sep, "/")
+    './root/is/nested'
+
+    >>> path = find_package_path("other.pkg", {"my.pkg": "root/is/nested"}, ".")
+    >>> path.replace(os.sep, "/")
+    './other/pkg'
+    """
+    parts = name.split(".")
+    for i in range(len(parts), 0, -1):
+        # Look backwards, the most specific package_dir first
+        partial_name = ".".join(parts[:i])
+        if partial_name in package_dir:
+            parent = package_dir[partial_name]
+            return os.path.join(root_dir, parent, *parts[i:])
+
+    parent = package_dir.get("") or ""
+    return os.path.join(root_dir, *parent.split("/"), *parts)
+
+
+def construct_package_dir(packages: List[str], package_path: _Path) -> Dict[str, str]:
+    parent_pkgs = remove_nested_packages(packages)
+    prefix = Path(package_path).parts
+    return {pkg: "/".join([*prefix, *pkg.split(".")]) for pkg in parent_pkgs}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/dist.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/dist.py
new file mode 100644
index 00000000..82423548
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/dist.py
@@ -0,0 +1,1222 @@
+# -*- coding: utf-8 -*-
+__all__ = ['Distribution']
+
+import io
+import sys
+import re
+import os
+import warnings
+import numbers
+import distutils.log
+import distutils.core
+import distutils.cmd
+import distutils.dist
+import distutils.command
+from distutils.util import strtobool
+from distutils.debug import DEBUG
+from distutils.fancy_getopt import translate_longopt
+from glob import iglob
+import itertools
+import textwrap
+from typing import List, Optional, TYPE_CHECKING
+from pathlib import Path
+
+from collections import defaultdict
+from email import message_from_file
+
+from distutils.errors import DistutilsOptionError, DistutilsSetupError
+from distutils.util import rfc822_escape
+
+from setuptools.extern import packaging
+from setuptools.extern import ordered_set
+from setuptools.extern.more_itertools import unique_everseen, partition
+
+from ._importlib import metadata
+
+from . import SetuptoolsDeprecationWarning
+
+import setuptools
+import setuptools.command
+from setuptools import windows_support
+from setuptools.monkey import get_unpatched
+from setuptools.config import setupcfg, pyprojecttoml
+from setuptools.discovery import ConfigDiscovery
+
+import pkg_resources
+from setuptools.extern.packaging import version
+from . import _reqs
+from . import _entry_points
+
+if TYPE_CHECKING:
+    from email.message import Message
+
+__import__('setuptools.extern.packaging.specifiers')
+__import__('setuptools.extern.packaging.version')
+
+
+def _get_unpatched(cls):
+    warnings.warn("Do not call this function", DistDeprecationWarning)
+    return get_unpatched(cls)
+
+
+def get_metadata_version(self):
+    mv = getattr(self, 'metadata_version', None)
+    if mv is None:
+        mv = version.Version('2.1')
+        self.metadata_version = mv
+    return mv
+
+
+def rfc822_unescape(content: str) -> str:
+    """Reverse RFC-822 escaping by removing leading whitespaces from content."""
+    lines = content.splitlines()
+    if len(lines) == 1:
+        return lines[0].lstrip()
+    return '\n'.join((lines[0].lstrip(), textwrap.dedent('\n'.join(lines[1:]))))
+
+
+def _read_field_from_msg(msg: "Message", field: str) -> Optional[str]:
+    """Read Message header field."""
+    value = msg[field]
+    if value == 'UNKNOWN':
+        return None
+    return value
+
+
+def _read_field_unescaped_from_msg(msg: "Message", field: str) -> Optional[str]:
+    """Read Message header field and apply rfc822_unescape."""
+    value = _read_field_from_msg(msg, field)
+    if value is None:
+        return value
+    return rfc822_unescape(value)
+
+
+def _read_list_from_msg(msg: "Message", field: str) -> Optional[List[str]]:
+    """Read Message header field and return all results as list."""
+    values = msg.get_all(field, None)
+    if values == []:
+        return None
+    return values
+
+
+def _read_payload_from_msg(msg: "Message") -> Optional[str]:
+    value = msg.get_payload().strip()
+    if value == 'UNKNOWN' or not value:
+        return None
+    return value
+
+
+def read_pkg_file(self, file):
+    """Reads the metadata values from a file object."""
+    msg = message_from_file(file)
+
+    self.metadata_version = version.Version(msg['metadata-version'])
+    self.name = _read_field_from_msg(msg, 'name')
+    self.version = _read_field_from_msg(msg, 'version')
+    self.description = _read_field_from_msg(msg, 'summary')
+    # we are filling author only.
+    self.author = _read_field_from_msg(msg, 'author')
+    self.maintainer = None
+    self.author_email = _read_field_from_msg(msg, 'author-email')
+    self.maintainer_email = None
+    self.url = _read_field_from_msg(msg, 'home-page')
+    self.download_url = _read_field_from_msg(msg, 'download-url')
+    self.license = _read_field_unescaped_from_msg(msg, 'license')
+
+    self.long_description = _read_field_unescaped_from_msg(msg, 'description')
+    if (
+        self.long_description is None and
+        self.metadata_version >= version.Version('2.1')
+    ):
+        self.long_description = _read_payload_from_msg(msg)
+    self.description = _read_field_from_msg(msg, 'summary')
+
+    if 'keywords' in msg:
+        self.keywords = _read_field_from_msg(msg, 'keywords').split(',')
+
+    self.platforms = _read_list_from_msg(msg, 'platform')
+    self.classifiers = _read_list_from_msg(msg, 'classifier')
+
+    # PEP 314 - these fields only exist in 1.1
+    if self.metadata_version == version.Version('1.1'):
+        self.requires = _read_list_from_msg(msg, 'requires')
+        self.provides = _read_list_from_msg(msg, 'provides')
+        self.obsoletes = _read_list_from_msg(msg, 'obsoletes')
+    else:
+        self.requires = None
+        self.provides = None
+        self.obsoletes = None
+
+    self.license_files = _read_list_from_msg(msg, 'license-file')
+
+
+def single_line(val):
+    """
+    Quick and dirty validation for Summary pypa/setuptools#1390.
+    """
+    if '\n' in val:
+        # TODO: Replace with `raise ValueError("newlines not allowed")`
+        # after reviewing #2893.
+        warnings.warn("newlines not allowed and will break in the future")
+        val = val.strip().split('\n')[0]
+    return val
+
+
+# Based on Python 3.5 version
+def write_pkg_file(self, file):  # noqa: C901  # is too complex (14)  # FIXME
+    """Write the PKG-INFO format data to a file object."""
+    version = self.get_metadata_version()
+
+    def write_field(key, value):
+        file.write("%s: %s\n" % (key, value))
+
+    write_field('Metadata-Version', str(version))
+    write_field('Name', self.get_name())
+    write_field('Version', self.get_version())
+
+    summary = self.get_description()
+    if summary:
+        write_field('Summary', single_line(summary))
+
+    optional_fields = (
+        ('Home-page', 'url'),
+        ('Download-URL', 'download_url'),
+        ('Author', 'author'),
+        ('Author-email', 'author_email'),
+        ('Maintainer', 'maintainer'),
+        ('Maintainer-email', 'maintainer_email'),
+    )
+
+    for field, attr in optional_fields:
+        attr_val = getattr(self, attr, None)
+        if attr_val is not None:
+            write_field(field, attr_val)
+
+    license = self.get_license()
+    if license:
+        write_field('License', rfc822_escape(license))
+
+    for project_url in self.project_urls.items():
+        write_field('Project-URL', '%s, %s' % project_url)
+
+    keywords = ','.join(self.get_keywords())
+    if keywords:
+        write_field('Keywords', keywords)
+
+    platforms = self.get_platforms() or []
+    for platform in platforms:
+        write_field('Platform', platform)
+
+    self._write_list(file, 'Classifier', self.get_classifiers())
+
+    # PEP 314
+    self._write_list(file, 'Requires', self.get_requires())
+    self._write_list(file, 'Provides', self.get_provides())
+    self._write_list(file, 'Obsoletes', self.get_obsoletes())
+
+    # Setuptools specific for PEP 345
+    if hasattr(self, 'python_requires'):
+        write_field('Requires-Python', self.python_requires)
+
+    # PEP 566
+    if self.long_description_content_type:
+        write_field('Description-Content-Type', self.long_description_content_type)
+    if self.provides_extras:
+        for extra in self.provides_extras:
+            write_field('Provides-Extra', extra)
+
+    self._write_list(file, 'License-File', self.license_files or [])
+
+    long_description = self.get_long_description()
+    if long_description:
+        file.write("\n%s" % long_description)
+        if not long_description.endswith("\n"):
+            file.write("\n")
+
+
+sequence = tuple, list
+
+
+def check_importable(dist, attr, value):
+    try:
+        ep = metadata.EntryPoint(value=value, name=None, group=None)
+        assert not ep.extras
+    except (TypeError, ValueError, AttributeError, AssertionError) as e:
+        raise DistutilsSetupError(
+            "%r must be importable 'module:attrs' string (got %r)" % (attr, value)
+        ) from e
+
+
+def assert_string_list(dist, attr, value):
+    """Verify that value is a string list"""
+    try:
+        # verify that value is a list or tuple to exclude unordered
+        # or single-use iterables
+        assert isinstance(value, (list, tuple))
+        # verify that elements of value are strings
+        assert ''.join(value) != value
+    except (TypeError, ValueError, AttributeError, AssertionError) as e:
+        raise DistutilsSetupError(
+            "%r must be a list of strings (got %r)" % (attr, value)
+        ) from e
+
+
+def check_nsp(dist, attr, value):
+    """Verify that namespace packages are valid"""
+    ns_packages = value
+    assert_string_list(dist, attr, ns_packages)
+    for nsp in ns_packages:
+        if not dist.has_contents_for(nsp):
+            raise DistutilsSetupError(
+                "Distribution contains no modules or packages for "
+                + "namespace package %r" % nsp
+            )
+        parent, sep, child = nsp.rpartition('.')
+        if parent and parent not in ns_packages:
+            distutils.log.warn(
+                "WARNING: %r is declared as a package namespace, but %r"
+                " is not: please correct this in setup.py",
+                nsp,
+                parent,
+            )
+        msg = (
+            "The namespace_packages parameter is deprecated, "
+            "consider using implicit namespaces instead (PEP 420)."
+        )
+        warnings.warn(msg, SetuptoolsDeprecationWarning)
+
+
+def check_extras(dist, attr, value):
+    """Verify that extras_require mapping is valid"""
+    try:
+        list(itertools.starmap(_check_extra, value.items()))
+    except (TypeError, ValueError, AttributeError) as e:
+        raise DistutilsSetupError(
+            "'extras_require' must be a dictionary whose values are "
+            "strings or lists of strings containing valid project/version "
+            "requirement specifiers."
+        ) from e
+
+
+def _check_extra(extra, reqs):
+    name, sep, marker = extra.partition(':')
+    if marker and pkg_resources.invalid_marker(marker):
+        raise DistutilsSetupError("Invalid environment marker: " + marker)
+    list(_reqs.parse(reqs))
+
+
+def assert_bool(dist, attr, value):
+    """Verify that value is True, False, 0, or 1"""
+    if bool(value) != value:
+        tmpl = "{attr!r} must be a boolean value (got {value!r})"
+        raise DistutilsSetupError(tmpl.format(attr=attr, value=value))
+
+
+def invalid_unless_false(dist, attr, value):
+    if not value:
+        warnings.warn(f"{attr} is ignored.", DistDeprecationWarning)
+        return
+    raise DistutilsSetupError(f"{attr} is invalid.")
+
+
+def check_requirements(dist, attr, value):
+    """Verify that install_requires is a valid requirements list"""
+    try:
+        list(_reqs.parse(value))
+        if isinstance(value, (dict, set)):
+            raise TypeError("Unordered types are not allowed")
+    except (TypeError, ValueError) as error:
+        tmpl = (
+            "{attr!r} must be a string or list of strings "
+            "containing valid project/version requirement specifiers; {error}"
+        )
+        raise DistutilsSetupError(tmpl.format(attr=attr, error=error)) from error
+
+
+def check_specifier(dist, attr, value):
+    """Verify that value is a valid version specifier"""
+    try:
+        packaging.specifiers.SpecifierSet(value)
+    except (packaging.specifiers.InvalidSpecifier, AttributeError) as error:
+        tmpl = (
+            "{attr!r} must be a string " "containing valid version specifiers; {error}"
+        )
+        raise DistutilsSetupError(tmpl.format(attr=attr, error=error)) from error
+
+
+def check_entry_points(dist, attr, value):
+    """Verify that entry_points map is parseable"""
+    try:
+        _entry_points.load(value)
+    except Exception as e:
+        raise DistutilsSetupError(e) from e
+
+
+def check_test_suite(dist, attr, value):
+    if not isinstance(value, str):
+        raise DistutilsSetupError("test_suite must be a string")
+
+
+def check_package_data(dist, attr, value):
+    """Verify that value is a dictionary of package names to glob lists"""
+    if not isinstance(value, dict):
+        raise DistutilsSetupError(
+            "{!r} must be a dictionary mapping package names to lists of "
+            "string wildcard patterns".format(attr)
+        )
+    for k, v in value.items():
+        if not isinstance(k, str):
+            raise DistutilsSetupError(
+                "keys of {!r} dict must be strings (got {!r})".format(attr, k)
+            )
+        assert_string_list(dist, 'values of {!r} dict'.format(attr), v)
+
+
+def check_packages(dist, attr, value):
+    for pkgname in value:
+        if not re.match(r'\w+(\.\w+)*', pkgname):
+            distutils.log.warn(
+                "WARNING: %r not a valid package name; please use only "
+                ".-separated package names in setup.py",
+                pkgname,
+            )
+
+
+_Distribution = get_unpatched(distutils.core.Distribution)
+
+
+class Distribution(_Distribution):
+    """Distribution with support for tests and package data
+
+    This is an enhanced version of 'distutils.dist.Distribution' that
+    effectively adds the following new optional keyword arguments to 'setup()':
+
+     'install_requires' -- a string or sequence of strings specifying project
+        versions that the distribution requires when installed, in the format
+        used by 'pkg_resources.require()'.  They will be installed
+        automatically when the package is installed.  If you wish to use
+        packages that are not available in PyPI, or want to give your users an
+        alternate download location, you can add a 'find_links' option to the
+        '[easy_install]' section of your project's 'setup.cfg' file, and then
+        setuptools will scan the listed web pages for links that satisfy the
+        requirements.
+
+     'extras_require' -- a dictionary mapping names of optional "extras" to the
+        additional requirement(s) that using those extras incurs. For example,
+        this::
+
+            extras_require = dict(reST = ["docutils>=0.3", "reSTedit"])
+
+        indicates that the distribution can optionally provide an extra
+        capability called "reST", but it can only be used if docutils and
+        reSTedit are installed.  If the user installs your package using
+        EasyInstall and requests one of your extras, the corresponding
+        additional requirements will be installed if needed.
+
+     'test_suite' -- the name of a test suite to run for the 'test' command.
+        If the user runs 'python setup.py test', the package will be installed,
+        and the named test suite will be run.  The format is the same as
+        would be used on a 'unittest.py' command line.  That is, it is the
+        dotted name of an object to import and call to generate a test suite.
+
+     'package_data' -- a dictionary mapping package names to lists of filenames
+        or globs to use to find data files contained in the named packages.
+        If the dictionary has filenames or globs listed under '""' (the empty
+        string), those names will be searched for in every package, in addition
+        to any names for the specific package.  Data files found using these
+        names/globs will be installed along with the package, in the same
+        location as the package.  Note that globs are allowed to reference
+        the contents of non-package subdirectories, as long as you use '/' as
+        a path separator.  (Globs are automatically converted to
+        platform-specific paths at runtime.)
+
+    In addition to these new keywords, this class also has several new methods
+    for manipulating the distribution's contents.  For example, the 'include()'
+    and 'exclude()' methods can be thought of as in-place add and subtract
+    commands that add or remove packages, modules, extensions, and so on from
+    the distribution.
+    """
+
+    _DISTUTILS_UNSUPPORTED_METADATA = {
+        'long_description_content_type': lambda: None,
+        'project_urls': dict,
+        'provides_extras': ordered_set.OrderedSet,
+        'license_file': lambda: None,
+        'license_files': lambda: None,
+    }
+
+    _patched_dist = None
+
+    def patch_missing_pkg_info(self, attrs):
+        # Fake up a replacement for the data that would normally come from
+        # PKG-INFO, but which might not yet be built if this is a fresh
+        # checkout.
+        #
+        if not attrs or 'name' not in attrs or 'version' not in attrs:
+            return
+        key = pkg_resources.safe_name(str(attrs['name'])).lower()
+        dist = pkg_resources.working_set.by_key.get(key)
+        if dist is not None and not dist.has_metadata('PKG-INFO'):
+            dist._version = pkg_resources.safe_version(str(attrs['version']))
+            self._patched_dist = dist
+
+    def __init__(self, attrs=None):
+        have_package_data = hasattr(self, "package_data")
+        if not have_package_data:
+            self.package_data = {}
+        attrs = attrs or {}
+        self.dist_files = []
+        # Filter-out setuptools' specific options.
+        self.src_root = attrs.pop("src_root", None)
+        self.patch_missing_pkg_info(attrs)
+        self.dependency_links = attrs.pop('dependency_links', [])
+        self.setup_requires = attrs.pop('setup_requires', [])
+        for ep in metadata.entry_points(group='distutils.setup_keywords'):
+            vars(self).setdefault(ep.name, None)
+        _Distribution.__init__(
+            self,
+            {
+                k: v
+                for k, v in attrs.items()
+                if k not in self._DISTUTILS_UNSUPPORTED_METADATA
+            },
+        )
+
+        # Save the original dependencies before they are processed into the egg format
+        self._orig_extras_require = {}
+        self._orig_install_requires = []
+        self._tmp_extras_require = defaultdict(ordered_set.OrderedSet)
+
+        self.set_defaults = ConfigDiscovery(self)
+
+        self._set_metadata_defaults(attrs)
+
+        self.metadata.version = self._normalize_version(
+            self._validate_version(self.metadata.version)
+        )
+        self._finalize_requires()
+
+    def _validate_metadata(self):
+        required = {"name"}
+        provided = {
+            key
+            for key in vars(self.metadata)
+            if getattr(self.metadata, key, None) is not None
+        }
+        missing = required - provided
+
+        if missing:
+            msg = f"Required package metadata is missing: {missing}"
+            raise DistutilsSetupError(msg)
+
+    def _set_metadata_defaults(self, attrs):
+        """
+        Fill-in missing metadata fields not supported by distutils.
+        Some fields may have been set by other tools (e.g. pbr).
+        Those fields (vars(self.metadata)) take precedence to
+        supplied attrs.
+        """
+        for option, default in self._DISTUTILS_UNSUPPORTED_METADATA.items():
+            vars(self.metadata).setdefault(option, attrs.get(option, default()))
+
+    @staticmethod
+    def _normalize_version(version):
+        if isinstance(version, setuptools.sic) or version is None:
+            return version
+
+        normalized = str(packaging.version.Version(version))
+        if version != normalized:
+            tmpl = "Normalizing '{version}' to '{normalized}'"
+            warnings.warn(tmpl.format(**locals()))
+            return normalized
+        return version
+
+    @staticmethod
+    def _validate_version(version):
+        if isinstance(version, numbers.Number):
+            # Some people apparently take "version number" too literally :)
+            version = str(version)
+
+        if version is not None:
+            try:
+                packaging.version.Version(version)
+            except (packaging.version.InvalidVersion, TypeError):
+                warnings.warn(
+                    "The version specified (%r) is an invalid version, this "
+                    "may not work as expected with newer versions of "
+                    "setuptools, pip, and PyPI. Please see PEP 440 for more "
+                    "details." % version
+                )
+                return setuptools.sic(version)
+        return version
+
+    def _finalize_requires(self):
+        """
+        Set `metadata.python_requires` and fix environment markers
+        in `install_requires` and `extras_require`.
+        """
+        if getattr(self, 'python_requires', None):
+            self.metadata.python_requires = self.python_requires
+
+        if getattr(self, 'extras_require', None):
+            # Save original before it is messed by _convert_extras_requirements
+            self._orig_extras_require = self._orig_extras_require or self.extras_require
+            for extra in self.extras_require.keys():
+                # Since this gets called multiple times at points where the
+                # keys have become 'converted' extras, ensure that we are only
+                # truly adding extras we haven't seen before here.
+                extra = extra.split(':')[0]
+                if extra:
+                    self.metadata.provides_extras.add(extra)
+
+        if getattr(self, 'install_requires', None) and not self._orig_install_requires:
+            # Save original before it is messed by _move_install_requirements_markers
+            self._orig_install_requires = self.install_requires
+
+        self._convert_extras_requirements()
+        self._move_install_requirements_markers()
+
+    def _convert_extras_requirements(self):
+        """
+        Convert requirements in `extras_require` of the form
+        `"extra": ["barbazquux; {marker}"]` to
+        `"extra:{marker}": ["barbazquux"]`.
+        """
+        spec_ext_reqs = getattr(self, 'extras_require', None) or {}
+        tmp = defaultdict(ordered_set.OrderedSet)
+        self._tmp_extras_require = getattr(self, '_tmp_extras_require', tmp)
+        for section, v in spec_ext_reqs.items():
+            # Do not strip empty sections.
+            self._tmp_extras_require[section]
+            for r in _reqs.parse(v):
+                suffix = self._suffix_for(r)
+                self._tmp_extras_require[section + suffix].append(r)
+
+    @staticmethod
+    def _suffix_for(req):
+        """
+        For a requirement, return the 'extras_require' suffix for
+        that requirement.
+        """
+        return ':' + str(req.marker) if req.marker else ''
+
+    def _move_install_requirements_markers(self):
+        """
+        Move requirements in `install_requires` that are using environment
+        markers `extras_require`.
+        """
+
+        # divide the install_requires into two sets, simple ones still
+        # handled by install_requires and more complex ones handled
+        # by extras_require.
+
+        def is_simple_req(req):
+            return not req.marker
+
+        spec_inst_reqs = getattr(self, 'install_requires', None) or ()
+        inst_reqs = list(_reqs.parse(spec_inst_reqs))
+        simple_reqs = filter(is_simple_req, inst_reqs)
+        complex_reqs = itertools.filterfalse(is_simple_req, inst_reqs)
+        self.install_requires = list(map(str, simple_reqs))
+
+        for r in complex_reqs:
+            self._tmp_extras_require[':' + str(r.marker)].append(r)
+        self.extras_require = dict(
+            # list(dict.fromkeys(...))  ensures a list of unique strings
+            (k, list(dict.fromkeys(str(r) for r in map(self._clean_req, v))))
+            for k, v in self._tmp_extras_require.items()
+        )
+
+    def _clean_req(self, req):
+        """
+        Given a Requirement, remove environment markers and return it.
+        """
+        req.marker = None
+        return req
+
+    def _finalize_license_files(self):
+        """Compute names of all license files which should be included."""
+        license_files: Optional[List[str]] = self.metadata.license_files
+        patterns: List[str] = license_files if license_files else []
+
+        license_file: Optional[str] = self.metadata.license_file
+        if license_file and license_file not in patterns:
+            patterns.append(license_file)
+
+        if license_files is None and license_file is None:
+            # Default patterns match the ones wheel uses
+            # See https://wheel.readthedocs.io/en/stable/user_guide.html
+            # -> 'Including license files in the generated wheel file'
+            patterns = ('LICEN[CS]E*', 'COPYING*', 'NOTICE*', 'AUTHORS*')
+
+        self.metadata.license_files = list(
+            unique_everseen(self._expand_patterns(patterns))
+        )
+
+    @staticmethod
+    def _expand_patterns(patterns):
+        """
+        >>> list(Distribution._expand_patterns(['LICENSE']))
+        ['LICENSE']
+        >>> list(Distribution._expand_patterns(['setup.cfg', 'LIC*']))
+        ['setup.cfg', 'LICENSE']
+        """
+        return (
+            path
+            for pattern in patterns
+            for path in sorted(iglob(pattern))
+            if not path.endswith('~') and os.path.isfile(path)
+        )
+
+    # FIXME: 'Distribution._parse_config_files' is too complex (14)
+    def _parse_config_files(self, filenames=None):  # noqa: C901
+        """
+        Adapted from distutils.dist.Distribution.parse_config_files,
+        this method provides the same functionality in subtly-improved
+        ways.
+        """
+        from configparser import ConfigParser
+
+        # Ignore install directory options if we have a venv
+        ignore_options = (
+            []
+            if sys.prefix == sys.base_prefix
+            else [
+                'install-base',
+                'install-platbase',
+                'install-lib',
+                'install-platlib',
+                'install-purelib',
+                'install-headers',
+                'install-scripts',
+                'install-data',
+                'prefix',
+                'exec-prefix',
+                'home',
+                'user',
+                'root',
+            ]
+        )
+
+        ignore_options = frozenset(ignore_options)
+
+        if filenames is None:
+            filenames = self.find_config_files()
+
+        if DEBUG:
+            self.announce("Distribution.parse_config_files():")
+
+        parser = ConfigParser()
+        parser.optionxform = str
+        for filename in filenames:
+            with io.open(filename, encoding='utf-8') as reader:
+                if DEBUG:
+                    self.announce("  reading {filename}".format(**locals()))
+                parser.read_file(reader)
+            for section in parser.sections():
+                options = parser.options(section)
+                opt_dict = self.get_option_dict(section)
+
+                for opt in options:
+                    if opt == '__name__' or opt in ignore_options:
+                        continue
+
+                    val = parser.get(section, opt)
+                    opt = self.warn_dash_deprecation(opt, section)
+                    opt = self.make_option_lowercase(opt, section)
+                    opt_dict[opt] = (filename, val)
+
+            # Make the ConfigParser forget everything (so we retain
+            # the original filenames that options come from)
+            parser.__init__()
+
+        if 'global' not in self.command_options:
+            return
+
+        # If there was a "global" section in the config file, use it
+        # to set Distribution options.
+
+        for (opt, (src, val)) in self.command_options['global'].items():
+            alias = self.negative_opt.get(opt)
+            if alias:
+                val = not strtobool(val)
+            elif opt in ('verbose', 'dry_run'):  # ugh!
+                val = strtobool(val)
+
+            try:
+                setattr(self, alias or opt, val)
+            except ValueError as e:
+                raise DistutilsOptionError(e) from e
+
+    def warn_dash_deprecation(self, opt, section):
+        if section in (
+            'options.extras_require',
+            'options.data_files',
+        ):
+            return opt
+
+        underscore_opt = opt.replace('-', '_')
+        commands = list(itertools.chain(
+            distutils.command.__all__,
+            self._setuptools_commands(),
+        ))
+        if (
+            not section.startswith('options')
+            and section != 'metadata'
+            and section not in commands
+        ):
+            return underscore_opt
+
+        if '-' in opt:
+            warnings.warn(
+                "Usage of dash-separated '%s' will not be supported in future "
+                "versions. Please use the underscore name '%s' instead"
+                % (opt, underscore_opt)
+            )
+        return underscore_opt
+
+    def _setuptools_commands(self):
+        try:
+            return metadata.distribution('setuptools').entry_points.names
+        except metadata.PackageNotFoundError:
+            # during bootstrapping, distribution doesn't exist
+            return []
+
+    def make_option_lowercase(self, opt, section):
+        if section != 'metadata' or opt.islower():
+            return opt
+
+        lowercase_opt = opt.lower()
+        warnings.warn(
+            "Usage of uppercase key '%s' in '%s' will be deprecated in future "
+            "versions. Please use lowercase '%s' instead"
+            % (opt, section, lowercase_opt)
+        )
+        return lowercase_opt
+
+    # FIXME: 'Distribution._set_command_options' is too complex (14)
+    def _set_command_options(self, command_obj, option_dict=None):  # noqa: C901
+        """
+        Set the options for 'command_obj' from 'option_dict'.  Basically
+        this means copying elements of a dictionary ('option_dict') to
+        attributes of an instance ('command').
+
+        'command_obj' must be a Command instance.  If 'option_dict' is not
+        supplied, uses the standard option dictionary for this command
+        (from 'self.command_options').
+
+        (Adopted from distutils.dist.Distribution._set_command_options)
+        """
+        command_name = command_obj.get_command_name()
+        if option_dict is None:
+            option_dict = self.get_option_dict(command_name)
+
+        if DEBUG:
+            self.announce("  setting options for '%s' command:" % command_name)
+        for (option, (source, value)) in option_dict.items():
+            if DEBUG:
+                self.announce("    %s = %s (from %s)" % (option, value, source))
+            try:
+                bool_opts = [translate_longopt(o) for o in command_obj.boolean_options]
+            except AttributeError:
+                bool_opts = []
+            try:
+                neg_opt = command_obj.negative_opt
+            except AttributeError:
+                neg_opt = {}
+
+            try:
+                is_string = isinstance(value, str)
+                if option in neg_opt and is_string:
+                    setattr(command_obj, neg_opt[option], not strtobool(value))
+                elif option in bool_opts and is_string:
+                    setattr(command_obj, option, strtobool(value))
+                elif hasattr(command_obj, option):
+                    setattr(command_obj, option, value)
+                else:
+                    raise DistutilsOptionError(
+                        "error in %s: command '%s' has no such option '%s'"
+                        % (source, command_name, option)
+                    )
+            except ValueError as e:
+                raise DistutilsOptionError(e) from e
+
+    def _get_project_config_files(self, filenames):
+        """Add default file and split between INI and TOML"""
+        tomlfiles = []
+        standard_project_metadata = Path(self.src_root or os.curdir, "pyproject.toml")
+        if filenames is not None:
+            parts = partition(lambda f: Path(f).suffix == ".toml", filenames)
+            filenames = list(parts[0])  # 1st element => predicate is False
+            tomlfiles = list(parts[1])  # 2nd element => predicate is True
+        elif standard_project_metadata.exists():
+            tomlfiles = [standard_project_metadata]
+        return filenames, tomlfiles
+
+    def parse_config_files(self, filenames=None, ignore_option_errors=False):
+        """Parses configuration files from various levels
+        and loads configuration.
+        """
+        inifiles, tomlfiles = self._get_project_config_files(filenames)
+
+        self._parse_config_files(filenames=inifiles)
+
+        setupcfg.parse_configuration(
+            self, self.command_options, ignore_option_errors=ignore_option_errors
+        )
+        for filename in tomlfiles:
+            pyprojecttoml.apply_configuration(self, filename, ignore_option_errors)
+
+        self._finalize_requires()
+        self._finalize_license_files()
+
+    def fetch_build_eggs(self, requires):
+        """Resolve pre-setup requirements"""
+        resolved_dists = pkg_resources.working_set.resolve(
+            _reqs.parse(requires),
+            installer=self.fetch_build_egg,
+            replace_conflicting=True,
+        )
+        for dist in resolved_dists:
+            pkg_resources.working_set.add(dist, replace=True)
+        return resolved_dists
+
+    def finalize_options(self):
+        """
+        Allow plugins to apply arbitrary operations to the
+        distribution. Each hook may optionally define a 'order'
+        to influence the order of execution. Smaller numbers
+        go first and the default is 0.
+        """
+        group = 'setuptools.finalize_distribution_options'
+
+        def by_order(hook):
+            return getattr(hook, 'order', 0)
+
+        defined = metadata.entry_points(group=group)
+        filtered = itertools.filterfalse(self._removed, defined)
+        loaded = map(lambda e: e.load(), filtered)
+        for ep in sorted(loaded, key=by_order):
+            ep(self)
+
+    @staticmethod
+    def _removed(ep):
+        """
+        When removing an entry point, if metadata is loaded
+        from an older version of Setuptools, that removed
+        entry point will attempt to be loaded and will fail.
+        See #2765 for more details.
+        """
+        removed = {
+            # removed 2021-09-05
+            '2to3_doctests',
+        }
+        return ep.name in removed
+
+    def _finalize_setup_keywords(self):
+        for ep in metadata.entry_points(group='distutils.setup_keywords'):
+            value = getattr(self, ep.name, None)
+            if value is not None:
+                ep.load()(self, ep.name, value)
+
+    def get_egg_cache_dir(self):
+        egg_cache_dir = os.path.join(os.curdir, '.eggs')
+        if not os.path.exists(egg_cache_dir):
+            os.mkdir(egg_cache_dir)
+            windows_support.hide_file(egg_cache_dir)
+            readme_txt_filename = os.path.join(egg_cache_dir, 'README.txt')
+            with open(readme_txt_filename, 'w') as f:
+                f.write(
+                    'This directory contains eggs that were downloaded '
+                    'by setuptools to build, test, and run plug-ins.\n\n'
+                )
+                f.write(
+                    'This directory caches those eggs to prevent '
+                    'repeated downloads.\n\n'
+                )
+                f.write('However, it is safe to delete this directory.\n\n')
+
+        return egg_cache_dir
+
+    def fetch_build_egg(self, req):
+        """Fetch an egg needed for building"""
+        from setuptools.installer import fetch_build_egg
+
+        return fetch_build_egg(self, req)
+
+    def get_command_class(self, command):
+        """Pluggable version of get_command_class()"""
+        if command in self.cmdclass:
+            return self.cmdclass[command]
+
+        eps = metadata.entry_points(group='distutils.commands', name=command)
+        for ep in eps:
+            self.cmdclass[command] = cmdclass = ep.load()
+            return cmdclass
+        else:
+            return _Distribution.get_command_class(self, command)
+
+    def print_commands(self):
+        for ep in metadata.entry_points(group='distutils.commands'):
+            if ep.name not in self.cmdclass:
+                cmdclass = ep.load()
+                self.cmdclass[ep.name] = cmdclass
+        return _Distribution.print_commands(self)
+
+    def get_command_list(self):
+        for ep in metadata.entry_points(group='distutils.commands'):
+            if ep.name not in self.cmdclass:
+                cmdclass = ep.load()
+                self.cmdclass[ep.name] = cmdclass
+        return _Distribution.get_command_list(self)
+
+    def include(self, **attrs):
+        """Add items to distribution that are named in keyword arguments
+
+        For example, 'dist.include(py_modules=["x"])' would add 'x' to
+        the distribution's 'py_modules' attribute, if it was not already
+        there.
+
+        Currently, this method only supports inclusion for attributes that are
+        lists or tuples.  If you need to add support for adding to other
+        attributes in this or a subclass, you can add an '_include_X' method,
+        where 'X' is the name of the attribute.  The method will be called with
+        the value passed to 'include()'.  So, 'dist.include(foo={"bar":"baz"})'
+        will try to call 'dist._include_foo({"bar":"baz"})', which can then
+        handle whatever special inclusion logic is needed.
+        """
+        for k, v in attrs.items():
+            include = getattr(self, '_include_' + k, None)
+            if include:
+                include(v)
+            else:
+                self._include_misc(k, v)
+
+    def exclude_package(self, package):
+        """Remove packages, modules, and extensions in named package"""
+
+        pfx = package + '.'
+        if self.packages:
+            self.packages = [
+                p for p in self.packages if p != package and not p.startswith(pfx)
+            ]
+
+        if self.py_modules:
+            self.py_modules = [
+                p for p in self.py_modules if p != package and not p.startswith(pfx)
+            ]
+
+        if self.ext_modules:
+            self.ext_modules = [
+                p
+                for p in self.ext_modules
+                if p.name != package and not p.name.startswith(pfx)
+            ]
+
+    def has_contents_for(self, package):
+        """Return true if 'exclude_package(package)' would do something"""
+
+        pfx = package + '.'
+
+        for p in self.iter_distribution_names():
+            if p == package or p.startswith(pfx):
+                return True
+
+    def _exclude_misc(self, name, value):
+        """Handle 'exclude()' for list/tuple attrs without a special handler"""
+        if not isinstance(value, sequence):
+            raise DistutilsSetupError(
+                "%s: setting must be a list or tuple (%r)" % (name, value)
+            )
+        try:
+            old = getattr(self, name)
+        except AttributeError as e:
+            raise DistutilsSetupError("%s: No such distribution setting" % name) from e
+        if old is not None and not isinstance(old, sequence):
+            raise DistutilsSetupError(
+                name + ": this setting cannot be changed via include/exclude"
+            )
+        elif old:
+            setattr(self, name, [item for item in old if item not in value])
+
+    def _include_misc(self, name, value):
+        """Handle 'include()' for list/tuple attrs without a special handler"""
+
+        if not isinstance(value, sequence):
+            raise DistutilsSetupError("%s: setting must be a list (%r)" % (name, value))
+        try:
+            old = getattr(self, name)
+        except AttributeError as e:
+            raise DistutilsSetupError("%s: No such distribution setting" % name) from e
+        if old is None:
+            setattr(self, name, value)
+        elif not isinstance(old, sequence):
+            raise DistutilsSetupError(
+                name + ": this setting cannot be changed via include/exclude"
+            )
+        else:
+            new = [item for item in value if item not in old]
+            setattr(self, name, old + new)
+
+    def exclude(self, **attrs):
+        """Remove items from distribution that are named in keyword arguments
+
+        For example, 'dist.exclude(py_modules=["x"])' would remove 'x' from
+        the distribution's 'py_modules' attribute.  Excluding packages uses
+        the 'exclude_package()' method, so all of the package's contained
+        packages, modules, and extensions are also excluded.
+
+        Currently, this method only supports exclusion from attributes that are
+        lists or tuples.  If you need to add support for excluding from other
+        attributes in this or a subclass, you can add an '_exclude_X' method,
+        where 'X' is the name of the attribute.  The method will be called with
+        the value passed to 'exclude()'.  So, 'dist.exclude(foo={"bar":"baz"})'
+        will try to call 'dist._exclude_foo({"bar":"baz"})', which can then
+        handle whatever special exclusion logic is needed.
+        """
+        for k, v in attrs.items():
+            exclude = getattr(self, '_exclude_' + k, None)
+            if exclude:
+                exclude(v)
+            else:
+                self._exclude_misc(k, v)
+
+    def _exclude_packages(self, packages):
+        if not isinstance(packages, sequence):
+            raise DistutilsSetupError(
+                "packages: setting must be a list or tuple (%r)" % (packages,)
+            )
+        list(map(self.exclude_package, packages))
+
+    def _parse_command_opts(self, parser, args):
+        # Remove --with-X/--without-X options when processing command args
+        self.global_options = self.__class__.global_options
+        self.negative_opt = self.__class__.negative_opt
+
+        # First, expand any aliases
+        command = args[0]
+        aliases = self.get_option_dict('aliases')
+        while command in aliases:
+            src, alias = aliases[command]
+            del aliases[command]  # ensure each alias can expand only once!
+            import shlex
+
+            args[:1] = shlex.split(alias, True)
+            command = args[0]
+
+        nargs = _Distribution._parse_command_opts(self, parser, args)
+
+        # Handle commands that want to consume all remaining arguments
+        cmd_class = self.get_command_class(command)
+        if getattr(cmd_class, 'command_consumes_arguments', None):
+            self.get_option_dict(command)['args'] = ("command line", nargs)
+            if nargs is not None:
+                return []
+
+        return nargs
+
+    def get_cmdline_options(self):
+        """Return a '{cmd: {opt:val}}' map of all command-line options
+
+        Option names are all long, but do not include the leading '--', and
+        contain dashes rather than underscores.  If the option doesn't take
+        an argument (e.g. '--quiet'), the 'val' is 'None'.
+
+        Note that options provided by config files are intentionally excluded.
+        """
+
+        d = {}
+
+        for cmd, opts in self.command_options.items():
+
+            for opt, (src, val) in opts.items():
+
+                if src != "command line":
+                    continue
+
+                opt = opt.replace('_', '-')
+
+                if val == 0:
+                    cmdobj = self.get_command_obj(cmd)
+                    neg_opt = self.negative_opt.copy()
+                    neg_opt.update(getattr(cmdobj, 'negative_opt', {}))
+                    for neg, pos in neg_opt.items():
+                        if pos == opt:
+                            opt = neg
+                            val = None
+                            break
+                    else:
+                        raise AssertionError("Shouldn't be able to get here")
+
+                elif val == 1:
+                    val = None
+
+                d.setdefault(cmd, {})[opt] = val
+
+        return d
+
+    def iter_distribution_names(self):
+        """Yield all packages, modules, and extension names in distribution"""
+
+        for pkg in self.packages or ():
+            yield pkg
+
+        for module in self.py_modules or ():
+            yield module
+
+        for ext in self.ext_modules or ():
+            if isinstance(ext, tuple):
+                name, buildinfo = ext
+            else:
+                name = ext.name
+            if name.endswith('module'):
+                name = name[:-6]
+            yield name
+
+    def handle_display_options(self, option_order):
+        """If there were any non-global "display-only" options
+        (--help-commands or the metadata display options) on the command
+        line, display the requested info and return true; else return
+        false.
+        """
+        import sys
+
+        if self.help_commands:
+            return _Distribution.handle_display_options(self, option_order)
+
+        # Stdout may be StringIO (e.g. in tests)
+        if not isinstance(sys.stdout, io.TextIOWrapper):
+            return _Distribution.handle_display_options(self, option_order)
+
+        # Don't wrap stdout if utf-8 is already the encoding. Provides
+        #  workaround for #334.
+        if sys.stdout.encoding.lower() in ('utf-8', 'utf8'):
+            return _Distribution.handle_display_options(self, option_order)
+
+        # Print metadata in UTF-8 no matter the platform
+        encoding = sys.stdout.encoding
+        errors = sys.stdout.errors
+        newline = sys.platform != 'win32' and '\n' or None
+        line_buffering = sys.stdout.line_buffering
+
+        sys.stdout = io.TextIOWrapper(
+            sys.stdout.detach(), 'utf-8', errors, newline, line_buffering
+        )
+        try:
+            return _Distribution.handle_display_options(self, option_order)
+        finally:
+            sys.stdout = io.TextIOWrapper(
+                sys.stdout.detach(), encoding, errors, newline, line_buffering
+            )
+
+    def run_command(self, command):
+        self.set_defaults()
+        # Postpone defaults until all explicit configuration is considered
+        # (setup() args, config files, command line and plugins)
+
+        super().run_command(command)
+
+
+class DistDeprecationWarning(SetuptoolsDeprecationWarning):
+    """Class for warning about deprecations in dist in
+    setuptools. Not ignored by default, unlike DeprecationWarning."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/errors.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/errors.py
new file mode 100644
index 00000000..ec7fb3b6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/errors.py
@@ -0,0 +1,58 @@
+"""setuptools.errors
+
+Provides exceptions used by setuptools modules.
+"""
+
+from distutils import errors as _distutils_errors
+
+
+# Re-export errors from distutils to facilitate the migration to PEP632
+
+ByteCompileError = _distutils_errors.DistutilsByteCompileError
+CCompilerError = _distutils_errors.CCompilerError
+ClassError = _distutils_errors.DistutilsClassError
+CompileError = _distutils_errors.CompileError
+ExecError = _distutils_errors.DistutilsExecError
+FileError = _distutils_errors.DistutilsFileError
+InternalError = _distutils_errors.DistutilsInternalError
+LibError = _distutils_errors.LibError
+LinkError = _distutils_errors.LinkError
+ModuleError = _distutils_errors.DistutilsModuleError
+OptionError = _distutils_errors.DistutilsOptionError
+PlatformError = _distutils_errors.DistutilsPlatformError
+PreprocessError = _distutils_errors.PreprocessError
+SetupError = _distutils_errors.DistutilsSetupError
+TemplateError = _distutils_errors.DistutilsTemplateError
+UnknownFileError = _distutils_errors.UnknownFileError
+
+# The root error class in the hierarchy
+BaseError = _distutils_errors.DistutilsError
+
+
+class RemovedCommandError(BaseError, RuntimeError):
+    """Error used for commands that have been removed in setuptools.
+
+    Since ``setuptools`` is built on ``distutils``, simply removing a command
+    from ``setuptools`` will make the behavior fall back to ``distutils``; this
+    error is raised if a command exists in ``distutils`` but has been actively
+    removed in ``setuptools``.
+    """
+
+
+class PackageDiscoveryError(BaseError, RuntimeError):
+    """Impossible to perform automatic discovery of packages and/or modules.
+
+    The current project layout or given discovery options can lead to problems when
+    scanning the project directory.
+
+    Setuptools might also refuse to complete auto-discovery if an error prone condition
+    is detected (e.g. when a project is organised as a flat-layout but contains
+    multiple directories that can be taken as top-level packages inside a single
+    distribution [*]_). In these situations the users are encouraged to be explicit
+    about which packages to include or to make the discovery parameters more specific.
+
+    .. [*] Since multi-package distributions are uncommon it is very likely that the
+       developers did not intend for all the directories to be packaged, and are just
+       leaving auxiliary code in the repository top-level, such as maintenance-related
+       scripts.
+    """
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extension.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extension.py
new file mode 100644
index 00000000..58c023f6
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extension.py
@@ -0,0 +1,148 @@
+import re
+import functools
+import distutils.core
+import distutils.errors
+import distutils.extension
+
+from .monkey import get_unpatched
+
+
+def _have_cython():
+    """
+    Return True if Cython can be imported.
+    """
+    cython_impl = 'Cython.Distutils.build_ext'
+    try:
+        # from (cython_impl) import build_ext
+        __import__(cython_impl, fromlist=['build_ext']).build_ext
+        return True
+    except Exception:
+        pass
+    return False
+
+
+# for compatibility
+have_pyrex = _have_cython
+
+_Extension = get_unpatched(distutils.core.Extension)
+
+
+class Extension(_Extension):
+    """
+    Describes a single extension module.
+
+    This means that all source files will be compiled into a single binary file
+    ``<module path>.<suffix>`` (with ``<module path>`` derived from ``name`` and
+    ``<suffix>`` defined by one of the values in
+    ``importlib.machinery.EXTENSION_SUFFIXES``).
+
+    In the case ``.pyx`` files are passed as ``sources and`` ``Cython`` is **not**
+    installed in the build environment, ``setuptools`` may also try to look for the
+    equivalent ``.cpp`` or ``.c`` files.
+
+    :arg str name:
+      the full name of the extension, including any packages -- ie.
+      *not* a filename or pathname, but Python dotted name
+
+    :arg list[str] sources:
+      list of source filenames, relative to the distribution root
+      (where the setup script lives), in Unix form (slash-separated)
+      for portability.  Source files may be C, C++, SWIG (.i),
+      platform-specific resource files, or whatever else is recognized
+      by the "build_ext" command as source for a Python extension.
+
+    :keyword list[str] include_dirs:
+      list of directories to search for C/C++ header files (in Unix
+      form for portability)
+
+    :keyword list[tuple[str, str|None]] define_macros:
+      list of macros to define; each macro is defined using a 2-tuple:
+      the first item corresponding to the name of the macro and the second
+      item either a string with its value or None to
+      define it without a particular value (equivalent of "#define
+      FOO" in source or -DFOO on Unix C compiler command line)
+
+    :keyword list[str] undef_macros:
+      list of macros to undefine explicitly
+
+    :keyword list[str] library_dirs:
+      list of directories to search for C/C++ libraries at link time
+
+    :keyword list[str] libraries:
+      list of library names (not filenames or paths) to link against
+
+    :keyword list[str] runtime_library_dirs:
+      list of directories to search for C/C++ libraries at run time
+      (for shared extensions, this is when the extension is loaded).
+      Setting this will cause an exception during build on Windows
+      platforms.
+
+    :keyword list[str] extra_objects:
+      list of extra files to link with (eg. object files not implied
+      by 'sources', static library that must be explicitly specified,
+      binary resource files, etc.)
+
+    :keyword list[str] extra_compile_args:
+      any extra platform- and compiler-specific information to use
+      when compiling the source files in 'sources'.  For platforms and
+      compilers where "command line" makes sense, this is typically a
+      list of command-line arguments, but for other platforms it could
+      be anything.
+
+    :keyword list[str] extra_link_args:
+      any extra platform- and compiler-specific information to use
+      when linking object files together to create the extension (or
+      to create a new static Python interpreter).  Similar
+      interpretation as for 'extra_compile_args'.
+
+    :keyword list[str] export_symbols:
+      list of symbols to be exported from a shared extension.  Not
+      used on all platforms, and not generally necessary for Python
+      extensions, which typically export exactly one symbol: "init" +
+      extension_name.
+
+    :keyword list[str] swig_opts:
+      any extra options to pass to SWIG if a source file has the .i
+      extension.
+
+    :keyword list[str] depends:
+      list of files that the extension depends on
+
+    :keyword str language:
+      extension language (i.e. "c", "c++", "objc"). Will be detected
+      from the source extensions if not provided.
+
+    :keyword bool optional:
+      specifies that a build failure in the extension should not abort the
+      build process, but simply not install the failing extension.
+
+    :keyword bool py_limited_api:
+      opt-in flag for the usage of :doc:`Python's limited API <python:c-api/stable>`.
+
+    :raises setuptools.errors.PlatformError: if 'runtime_library_dirs' is
+      specified on Windows. (since v63)
+    """
+
+    def __init__(self, name, sources, *args, **kw):
+        # The *args is needed for compatibility as calls may use positional
+        # arguments. py_limited_api may be set only via keyword.
+        self.py_limited_api = kw.pop("py_limited_api", False)
+        super().__init__(name, sources, *args, **kw)
+
+    def _convert_pyx_sources_to_lang(self):
+        """
+        Replace sources with .pyx extensions to sources with the target
+        language extension. This mechanism allows language authors to supply
+        pre-converted sources but to prefer the .pyx sources.
+        """
+        if _have_cython():
+            # the build has Cython, so allow it to compile the .pyx files
+            return
+        lang = self.language or ''
+        target_ext = '.cpp' if lang.lower() == 'c++' else '.c'
+        sub = functools.partial(re.sub, '.pyx$', target_ext)
+        self.sources = list(map(sub, self.sources))
+
+
+class Library(Extension):
+    """Just like a regular Extension, but built as a library instead"""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extern/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extern/__init__.py
new file mode 100644
index 00000000..d3a6dc99
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extern/__init__.py
@@ -0,0 +1,76 @@
+import importlib.util
+import sys
+
+
+class VendorImporter:
+    """
+    A PEP 302 meta path importer for finding optionally-vendored
+    or otherwise naturally-installed packages from root_name.
+    """
+
+    def __init__(self, root_name, vendored_names=(), vendor_pkg=None):
+        self.root_name = root_name
+        self.vendored_names = set(vendored_names)
+        self.vendor_pkg = vendor_pkg or root_name.replace('extern', '_vendor')
+
+    @property
+    def search_path(self):
+        """
+        Search first the vendor package then as a natural package.
+        """
+        yield self.vendor_pkg + '.'
+        yield ''
+
+    def _module_matches_namespace(self, fullname):
+        """Figure out if the target module is vendored."""
+        root, base, target = fullname.partition(self.root_name + '.')
+        return not root and any(map(target.startswith, self.vendored_names))
+
+    def load_module(self, fullname):
+        """
+        Iterate over the search path to locate and load fullname.
+        """
+        root, base, target = fullname.partition(self.root_name + '.')
+        for prefix in self.search_path:
+            try:
+                extant = prefix + target
+                __import__(extant)
+                mod = sys.modules[extant]
+                sys.modules[fullname] = mod
+                return mod
+            except ImportError:
+                pass
+        else:
+            raise ImportError(
+                "The '{target}' package is required; "
+                "normally this is bundled with this package so if you get "
+                "this warning, consult the packager of your "
+                "distribution.".format(**locals())
+            )
+
+    def create_module(self, spec):
+        return self.load_module(spec.name)
+
+    def exec_module(self, module):
+        pass
+
+    def find_spec(self, fullname, path=None, target=None):
+        """Return a module spec for vendored names."""
+        return (
+            importlib.util.spec_from_loader(fullname, self)
+            if self._module_matches_namespace(fullname) else None
+        )
+
+    def install(self):
+        """
+        Install this importer into sys.meta_path if not already present.
+        """
+        if self not in sys.meta_path:
+            sys.meta_path.append(self)
+
+
+names = (
+    'packaging', 'pyparsing', 'ordered_set', 'more_itertools', 'importlib_metadata',
+    'zipp', 'importlib_resources', 'jaraco', 'typing_extensions', 'tomli',
+)
+VendorImporter(__name__, names, 'setuptools._vendor').install()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extern/__pycache__/__init__.cpython-311.pyc b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/extern/__pycache__/__init__.cpython-311.pyc
new file mode 100644
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/glob.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/glob.py
new file mode 100644
index 00000000..87062b81
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/glob.py
@@ -0,0 +1,167 @@
+"""
+Filename globbing utility. Mostly a copy of `glob` from Python 3.5.
+
+Changes include:
+ * `yield from` and PEP3102 `*` removed.
+ * Hidden files are not ignored.
+"""
+
+import os
+import re
+import fnmatch
+
+__all__ = ["glob", "iglob", "escape"]
+
+
+def glob(pathname, recursive=False):
+    """Return a list of paths matching a pathname pattern.
+
+    The pattern may contain simple shell-style wildcards a la
+    fnmatch. However, unlike fnmatch, filenames starting with a
+    dot are special cases that are not matched by '*' and '?'
+    patterns.
+
+    If recursive is true, the pattern '**' will match any files and
+    zero or more directories and subdirectories.
+    """
+    return list(iglob(pathname, recursive=recursive))
+
+
+def iglob(pathname, recursive=False):
+    """Return an iterator which yields the paths matching a pathname pattern.
+
+    The pattern may contain simple shell-style wildcards a la
+    fnmatch. However, unlike fnmatch, filenames starting with a
+    dot are special cases that are not matched by '*' and '?'
+    patterns.
+
+    If recursive is true, the pattern '**' will match any files and
+    zero or more directories and subdirectories.
+    """
+    it = _iglob(pathname, recursive)
+    if recursive and _isrecursive(pathname):
+        s = next(it)  # skip empty string
+        assert not s
+    return it
+
+
+def _iglob(pathname, recursive):
+    dirname, basename = os.path.split(pathname)
+    glob_in_dir = glob2 if recursive and _isrecursive(basename) else glob1
+
+    if not has_magic(pathname):
+        if basename:
+            if os.path.lexists(pathname):
+                yield pathname
+        else:
+            # Patterns ending with a slash should match only directories
+            if os.path.isdir(dirname):
+                yield pathname
+        return
+
+    if not dirname:
+        yield from glob_in_dir(dirname, basename)
+        return
+    # `os.path.split()` returns the argument itself as a dirname if it is a
+    # drive or UNC path.  Prevent an infinite recursion if a drive or UNC path
+    # contains magic characters (i.e. r'\\?\C:').
+    if dirname != pathname and has_magic(dirname):
+        dirs = _iglob(dirname, recursive)
+    else:
+        dirs = [dirname]
+    if not has_magic(basename):
+        glob_in_dir = glob0
+    for dirname in dirs:
+        for name in glob_in_dir(dirname, basename):
+            yield os.path.join(dirname, name)
+
+
+# These 2 helper functions non-recursively glob inside a literal directory.
+# They return a list of basenames. `glob1` accepts a pattern while `glob0`
+# takes a literal basename (so it only has to check for its existence).
+
+
+def glob1(dirname, pattern):
+    if not dirname:
+        if isinstance(pattern, bytes):
+            dirname = os.curdir.encode('ASCII')
+        else:
+            dirname = os.curdir
+    try:
+        names = os.listdir(dirname)
+    except OSError:
+        return []
+    return fnmatch.filter(names, pattern)
+
+
+def glob0(dirname, basename):
+    if not basename:
+        # `os.path.split()` returns an empty basename for paths ending with a
+        # directory separator.  'q*x/' should match only directories.
+        if os.path.isdir(dirname):
+            return [basename]
+    else:
+        if os.path.lexists(os.path.join(dirname, basename)):
+            return [basename]
+    return []
+
+
+# This helper function recursively yields relative pathnames inside a literal
+# directory.
+
+
+def glob2(dirname, pattern):
+    assert _isrecursive(pattern)
+    yield pattern[:0]
+    for x in _rlistdir(dirname):
+        yield x
+
+
+# Recursively yields relative pathnames inside a literal directory.
+def _rlistdir(dirname):
+    if not dirname:
+        if isinstance(dirname, bytes):
+            dirname = os.curdir.encode('ASCII')
+        else:
+            dirname = os.curdir
+    try:
+        names = os.listdir(dirname)
+    except os.error:
+        return
+    for x in names:
+        yield x
+        path = os.path.join(dirname, x) if dirname else x
+        for y in _rlistdir(path):
+            yield os.path.join(x, y)
+
+
+magic_check = re.compile('([*?[])')
+magic_check_bytes = re.compile(b'([*?[])')
+
+
+def has_magic(s):
+    if isinstance(s, bytes):
+        match = magic_check_bytes.search(s)
+    else:
+        match = magic_check.search(s)
+    return match is not None
+
+
+def _isrecursive(pattern):
+    if isinstance(pattern, bytes):
+        return pattern == b'**'
+    else:
+        return pattern == '**'
+
+
+def escape(pathname):
+    """Escape all special characters.
+    """
+    # Escaping is done by wrapping any of "*?[" between square brackets.
+    # Metacharacters do not work in the drive part and shouldn't be escaped.
+    drive, pathname = os.path.splitdrive(pathname)
+    if isinstance(pathname, bytes):
+        pathname = magic_check_bytes.sub(br'[\1]', pathname)
+    else:
+        pathname = magic_check.sub(r'[\1]', pathname)
+    return drive + pathname
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/installer.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/installer.py
new file mode 100644
index 00000000..b7096df1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/installer.py
@@ -0,0 +1,104 @@
+import glob
+import os
+import subprocess
+import sys
+import tempfile
+import warnings
+from distutils import log
+from distutils.errors import DistutilsError
+
+import pkg_resources
+from setuptools.wheel import Wheel
+from ._deprecation_warning import SetuptoolsDeprecationWarning
+
+
+def _fixup_find_links(find_links):
+    """Ensure find-links option end-up being a list of strings."""
+    if isinstance(find_links, str):
+        return find_links.split()
+    assert isinstance(find_links, (tuple, list))
+    return find_links
+
+
+def fetch_build_egg(dist, req):  # noqa: C901  # is too complex (16)  # FIXME
+    """Fetch an egg needed for building.
+
+    Use pip/wheel to fetch/build a wheel."""
+    warnings.warn(
+        "setuptools.installer is deprecated. Requirements should "
+        "be satisfied by a PEP 517 installer.",
+        SetuptoolsDeprecationWarning,
+    )
+    # Warn if wheel is not available
+    try:
+        pkg_resources.get_distribution('wheel')
+    except pkg_resources.DistributionNotFound:
+        dist.announce('WARNING: The wheel package is not available.', log.WARN)
+    # Ignore environment markers; if supplied, it is required.
+    req = strip_marker(req)
+    # Take easy_install options into account, but do not override relevant
+    # pip environment variables (like PIP_INDEX_URL or PIP_QUIET); they'll
+    # take precedence.
+    opts = dist.get_option_dict('easy_install')
+    if 'allow_hosts' in opts:
+        raise DistutilsError('the `allow-hosts` option is not supported '
+                             'when using pip to install requirements.')
+    quiet = 'PIP_QUIET' not in os.environ and 'PIP_VERBOSE' not in os.environ
+    if 'PIP_INDEX_URL' in os.environ:
+        index_url = None
+    elif 'index_url' in opts:
+        index_url = opts['index_url'][1]
+    else:
+        index_url = None
+    find_links = (
+        _fixup_find_links(opts['find_links'][1])[:] if 'find_links' in opts
+        else []
+    )
+    if dist.dependency_links:
+        find_links.extend(dist.dependency_links)
+    eggs_dir = os.path.realpath(dist.get_egg_cache_dir())
+    environment = pkg_resources.Environment()
+    for egg_dist in pkg_resources.find_distributions(eggs_dir):
+        if egg_dist in req and environment.can_add(egg_dist):
+            return egg_dist
+    with tempfile.TemporaryDirectory() as tmpdir:
+        cmd = [
+            sys.executable, '-m', 'pip',
+            '--disable-pip-version-check',
+            'wheel', '--no-deps',
+            '-w', tmpdir,
+        ]
+        if quiet:
+            cmd.append('--quiet')
+        if index_url is not None:
+            cmd.extend(('--index-url', index_url))
+        for link in find_links or []:
+            cmd.extend(('--find-links', link))
+        # If requirement is a PEP 508 direct URL, directly pass
+        # the URL to pip, as `req @ url` does not work on the
+        # command line.
+        cmd.append(req.url or str(req))
+        try:
+            subprocess.check_call(cmd)
+        except subprocess.CalledProcessError as e:
+            raise DistutilsError(str(e)) from e
+        wheel = Wheel(glob.glob(os.path.join(tmpdir, '*.whl'))[0])
+        dist_location = os.path.join(eggs_dir, wheel.egg_name())
+        wheel.install_as_egg(dist_location)
+        dist_metadata = pkg_resources.PathMetadata(
+            dist_location, os.path.join(dist_location, 'EGG-INFO'))
+        dist = pkg_resources.Distribution.from_filename(
+            dist_location, metadata=dist_metadata)
+        return dist
+
+
+def strip_marker(req):
+    """
+    Return a new requirement without the environment marker to avoid
+    calling pip with something like `babel; extra == "i18n"`, which
+    would always be ignored.
+    """
+    # create a copy to avoid mutating the input
+    req = pkg_resources.Requirement.parse(str(req))
+    req.marker = None
+    return req
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/launch.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/launch.py
new file mode 100644
index 00000000..0208fdf3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/launch.py
@@ -0,0 +1,36 @@
+"""
+Launch the Python script on the command line after
+setuptools is bootstrapped via import.
+"""
+
+# Note that setuptools gets imported implicitly by the
+# invocation of this script using python -m setuptools.launch
+
+import tokenize
+import sys
+
+
+def run():
+    """
+    Run the script in sys.argv[1] as if it had
+    been invoked naturally.
+    """
+    __builtins__
+    script_name = sys.argv[1]
+    namespace = dict(
+        __file__=script_name,
+        __name__='__main__',
+        __doc__=None,
+    )
+    sys.argv[:] = sys.argv[1:]
+
+    open_ = getattr(tokenize, 'open', open)
+    with open_(script_name) as fid:
+        script = fid.read()
+    norm_script = script.replace('\\r\\n', '\\n')
+    code = compile(norm_script, script_name, 'exec')
+    exec(code, namespace)
+
+
+if __name__ == '__main__':
+    run()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/logging.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/logging.py
new file mode 100644
index 00000000..e99c1b9d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/logging.py
@@ -0,0 +1,36 @@
+import sys
+import logging
+import distutils.log
+from . import monkey
+
+
+def _not_warning(record):
+    return record.levelno < logging.WARNING
+
+
+def configure():
+    """
+    Configure logging to emit warning and above to stderr
+    and everything else to stdout. This behavior is provided
+    for compatibility with distutils.log but may change in
+    the future.
+    """
+    err_handler = logging.StreamHandler()
+    err_handler.setLevel(logging.WARNING)
+    out_handler = logging.StreamHandler(sys.stdout)
+    out_handler.addFilter(_not_warning)
+    handlers = err_handler, out_handler
+    logging.basicConfig(
+        format="{message}", style='{', handlers=handlers, level=logging.DEBUG)
+    if hasattr(distutils.log, 'Log'):
+        monkey.patch_func(set_threshold, distutils.log, 'set_threshold')
+        # For some reason `distutils.log` module is getting cached in `distutils.dist`
+        # and then loaded again when patched,
+        # implying: id(distutils.log) != id(distutils.dist.log).
+        # Make sure the same module object is used everywhere:
+        distutils.dist.log = distutils.log
+
+
+def set_threshold(level):
+    logging.root.setLevel(level*10)
+    return set_threshold.unpatched(level)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/monkey.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/monkey.py
new file mode 100644
index 00000000..77a7adcf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/monkey.py
@@ -0,0 +1,165 @@
+"""
+Monkey patching of distutils.
+"""
+
+import sys
+import distutils.filelist
+import platform
+import types
+import functools
+from importlib import import_module
+import inspect
+
+import setuptools
+
+__all__ = []
+"""
+Everything is private. Contact the project team
+if you think you need this functionality.
+"""
+
+
+def _get_mro(cls):
+    """
+    Returns the bases classes for cls sorted by the MRO.
+
+    Works around an issue on Jython where inspect.getmro will not return all
+    base classes if multiple classes share the same name. Instead, this
+    function will return a tuple containing the class itself, and the contents
+    of cls.__bases__. See https://github.com/pypa/setuptools/issues/1024.
+    """
+    if platform.python_implementation() == "Jython":
+        return (cls,) + cls.__bases__
+    return inspect.getmro(cls)
+
+
+def get_unpatched(item):
+    lookup = (
+        get_unpatched_class if isinstance(item, type) else
+        get_unpatched_function if isinstance(item, types.FunctionType) else
+        lambda item: None
+    )
+    return lookup(item)
+
+
+def get_unpatched_class(cls):
+    """Protect against re-patching the distutils if reloaded
+
+    Also ensures that no other distutils extension monkeypatched the distutils
+    first.
+    """
+    external_bases = (
+        cls
+        for cls in _get_mro(cls)
+        if not cls.__module__.startswith('setuptools')
+    )
+    base = next(external_bases)
+    if not base.__module__.startswith('distutils'):
+        msg = "distutils has already been patched by %r" % cls
+        raise AssertionError(msg)
+    return base
+
+
+def patch_all():
+    # we can't patch distutils.cmd, alas
+    distutils.core.Command = setuptools.Command
+
+    has_issue_12885 = sys.version_info <= (3, 5, 3)
+
+    if has_issue_12885:
+        # fix findall bug in distutils (http://bugs.python.org/issue12885)
+        distutils.filelist.findall = setuptools.findall
+
+    needs_warehouse = (
+        (3, 4) < sys.version_info < (3, 4, 6)
+        or
+        (3, 5) < sys.version_info <= (3, 5, 3)
+    )
+
+    if needs_warehouse:
+        warehouse = 'https://upload.pypi.org/legacy/'
+        distutils.config.PyPIRCCommand.DEFAULT_REPOSITORY = warehouse
+
+    _patch_distribution_metadata()
+
+    # Install Distribution throughout the distutils
+    for module in distutils.dist, distutils.core, distutils.cmd:
+        module.Distribution = setuptools.dist.Distribution
+
+    # Install the patched Extension
+    distutils.core.Extension = setuptools.extension.Extension
+    distutils.extension.Extension = setuptools.extension.Extension
+    if 'distutils.command.build_ext' in sys.modules:
+        sys.modules['distutils.command.build_ext'].Extension = (
+            setuptools.extension.Extension
+        )
+
+    patch_for_msvc_specialized_compiler()
+
+
+def _patch_distribution_metadata():
+    """Patch write_pkg_file and read_pkg_file for higher metadata standards"""
+    for attr in ('write_pkg_file', 'read_pkg_file', 'get_metadata_version'):
+        new_val = getattr(setuptools.dist, attr)
+        setattr(distutils.dist.DistributionMetadata, attr, new_val)
+
+
+def patch_func(replacement, target_mod, func_name):
+    """
+    Patch func_name in target_mod with replacement
+
+    Important - original must be resolved by name to avoid
+    patching an already patched function.
+    """
+    original = getattr(target_mod, func_name)
+
+    # set the 'unpatched' attribute on the replacement to
+    # point to the original.
+    vars(replacement).setdefault('unpatched', original)
+
+    # replace the function in the original module
+    setattr(target_mod, func_name, replacement)
+
+
+def get_unpatched_function(candidate):
+    return getattr(candidate, 'unpatched')
+
+
+def patch_for_msvc_specialized_compiler():
+    """
+    Patch functions in distutils to use standalone Microsoft Visual C++
+    compilers.
+    """
+    # import late to avoid circular imports on Python < 3.5
+    msvc = import_module('setuptools.msvc')
+
+    if platform.system() != 'Windows':
+        # Compilers only available on Microsoft Windows
+        return
+
+    def patch_params(mod_name, func_name):
+        """
+        Prepare the parameters for patch_func to patch indicated function.
+        """
+        repl_prefix = 'msvc14_'
+        repl_name = repl_prefix + func_name.lstrip('_')
+        repl = getattr(msvc, repl_name)
+        mod = import_module(mod_name)
+        if not hasattr(mod, func_name):
+            raise ImportError(func_name)
+        return repl, mod, func_name
+
+    # Python 3.5+
+    msvc14 = functools.partial(patch_params, 'distutils._msvccompiler')
+
+    try:
+        # Patch distutils._msvccompiler._get_vc_env
+        patch_func(*msvc14('_get_vc_env'))
+    except ImportError:
+        pass
+
+    try:
+        # Patch distutils._msvccompiler.gen_lib_options for Numpy
+        patch_func(*msvc14('gen_lib_options'))
+    except ImportError:
+        pass
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/msvc.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/msvc.py
new file mode 100644
index 00000000..5d4d7759
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/msvc.py
@@ -0,0 +1,1703 @@
+"""
+Improved support for Microsoft Visual C++ compilers.
+
+Known supported compilers:
+--------------------------
+Microsoft Visual C++ 14.X:
+    Microsoft Visual C++ Build Tools 2015 (x86, x64, arm)
+    Microsoft Visual Studio Build Tools 2017 (x86, x64, arm, arm64)
+    Microsoft Visual Studio Build Tools 2019 (x86, x64, arm, arm64)
+
+This may also support compilers shipped with compatible Visual Studio versions.
+"""
+
+import json
+from io import open
+from os import listdir, pathsep
+from os.path import join, isfile, isdir, dirname
+import sys
+import contextlib
+import platform
+import itertools
+import subprocess
+import distutils.errors
+from setuptools.extern.packaging.version import LegacyVersion
+from setuptools.extern.more_itertools import unique_everseen
+
+from .monkey import get_unpatched
+
+if platform.system() == 'Windows':
+    import winreg
+    from os import environ
+else:
+    # Mock winreg and environ so the module can be imported on this platform.
+
+    class winreg:
+        HKEY_USERS = None
+        HKEY_CURRENT_USER = None
+        HKEY_LOCAL_MACHINE = None
+        HKEY_CLASSES_ROOT = None
+
+    environ = dict()
+
+
+def _msvc14_find_vc2015():
+    """Python 3.8 "distutils/_msvccompiler.py" backport"""
+    try:
+        key = winreg.OpenKey(
+            winreg.HKEY_LOCAL_MACHINE,
+            r"Software\Microsoft\VisualStudio\SxS\VC7",
+            0,
+            winreg.KEY_READ | winreg.KEY_WOW64_32KEY
+        )
+    except OSError:
+        return None, None
+
+    best_version = 0
+    best_dir = None
+    with key:
+        for i in itertools.count():
+            try:
+                v, vc_dir, vt = winreg.EnumValue(key, i)
+            except OSError:
+                break
+            if v and vt == winreg.REG_SZ and isdir(vc_dir):
+                try:
+                    version = int(float(v))
+                except (ValueError, TypeError):
+                    continue
+                if version >= 14 and version > best_version:
+                    best_version, best_dir = version, vc_dir
+    return best_version, best_dir
+
+
+def _msvc14_find_vc2017():
+    """Python 3.8 "distutils/_msvccompiler.py" backport
+
+    Returns "15, path" based on the result of invoking vswhere.exe
+    If no install is found, returns "None, None"
+
+    The version is returned to avoid unnecessarily changing the function
+    result. It may be ignored when the path is not None.
+
+    If vswhere.exe is not available, by definition, VS 2017 is not
+    installed.
+    """
+    root = environ.get("ProgramFiles(x86)") or environ.get("ProgramFiles")
+    if not root:
+        return None, None
+
+    try:
+        path = subprocess.check_output([
+            join(root, "Microsoft Visual Studio", "Installer", "vswhere.exe"),
+            "-latest",
+            "-prerelease",
+            "-requiresAny",
+            "-requires", "Microsoft.VisualStudio.Component.VC.Tools.x86.x64",
+            "-requires", "Microsoft.VisualStudio.Workload.WDExpress",
+            "-property", "installationPath",
+            "-products", "*",
+        ]).decode(encoding="mbcs", errors="strict").strip()
+    except (subprocess.CalledProcessError, OSError, UnicodeDecodeError):
+        return None, None
+
+    path = join(path, "VC", "Auxiliary", "Build")
+    if isdir(path):
+        return 15, path
+
+    return None, None
+
+
+PLAT_SPEC_TO_RUNTIME = {
+    'x86': 'x86',
+    'x86_amd64': 'x64',
+    'x86_arm': 'arm',
+    'x86_arm64': 'arm64'
+}
+
+
+def _msvc14_find_vcvarsall(plat_spec):
+    """Python 3.8 "distutils/_msvccompiler.py" backport"""
+    _, best_dir = _msvc14_find_vc2017()
+    vcruntime = None
+
+    if plat_spec in PLAT_SPEC_TO_RUNTIME:
+        vcruntime_plat = PLAT_SPEC_TO_RUNTIME[plat_spec]
+    else:
+        vcruntime_plat = 'x64' if 'amd64' in plat_spec else 'x86'
+
+    if best_dir:
+        vcredist = join(best_dir, "..", "..", "redist", "MSVC", "**",
+                        vcruntime_plat, "Microsoft.VC14*.CRT",
+                        "vcruntime140.dll")
+        try:
+            import glob
+            vcruntime = glob.glob(vcredist, recursive=True)[-1]
+        except (ImportError, OSError, LookupError):
+            vcruntime = None
+
+    if not best_dir:
+        best_version, best_dir = _msvc14_find_vc2015()
+        if best_version:
+            vcruntime = join(best_dir, 'redist', vcruntime_plat,
+                             "Microsoft.VC140.CRT", "vcruntime140.dll")
+
+    if not best_dir:
+        return None, None
+
+    vcvarsall = join(best_dir, "vcvarsall.bat")
+    if not isfile(vcvarsall):
+        return None, None
+
+    if not vcruntime or not isfile(vcruntime):
+        vcruntime = None
+
+    return vcvarsall, vcruntime
+
+
+def _msvc14_get_vc_env(plat_spec):
+    """Python 3.8 "distutils/_msvccompiler.py" backport"""
+    if "DISTUTILS_USE_SDK" in environ:
+        return {
+            key.lower(): value
+            for key, value in environ.items()
+        }
+
+    vcvarsall, vcruntime = _msvc14_find_vcvarsall(plat_spec)
+    if not vcvarsall:
+        raise distutils.errors.DistutilsPlatformError(
+            "Unable to find vcvarsall.bat"
+        )
+
+    try:
+        out = subprocess.check_output(
+            'cmd /u /c "{}" {} && set'.format(vcvarsall, plat_spec),
+            stderr=subprocess.STDOUT,
+        ).decode('utf-16le', errors='replace')
+    except subprocess.CalledProcessError as exc:
+        raise distutils.errors.DistutilsPlatformError(
+            "Error executing {}".format(exc.cmd)
+        ) from exc
+
+    env = {
+        key.lower(): value
+        for key, _, value in
+        (line.partition('=') for line in out.splitlines())
+        if key and value
+    }
+
+    if vcruntime:
+        env['py_vcruntime_redist'] = vcruntime
+    return env
+
+
+def msvc14_get_vc_env(plat_spec):
+    """
+    Patched "distutils._msvccompiler._get_vc_env" for support extra
+    Microsoft Visual C++ 14.X compilers.
+
+    Set environment without use of "vcvarsall.bat".
+
+    Parameters
+    ----------
+    plat_spec: str
+        Target architecture.
+
+    Return
+    ------
+    dict
+        environment
+    """
+
+    # Always use backport from CPython 3.8
+    try:
+        return _msvc14_get_vc_env(plat_spec)
+    except distutils.errors.DistutilsPlatformError as exc:
+        _augment_exception(exc, 14.0)
+        raise
+
+
+def msvc14_gen_lib_options(*args, **kwargs):
+    """
+    Patched "distutils._msvccompiler.gen_lib_options" for fix
+    compatibility between "numpy.distutils" and "distutils._msvccompiler"
+    (for Numpy < 1.11.2)
+    """
+    if "numpy.distutils" in sys.modules:
+        import numpy as np
+        if LegacyVersion(np.__version__) < LegacyVersion('1.11.2'):
+            return np.distutils.ccompiler.gen_lib_options(*args, **kwargs)
+    return get_unpatched(msvc14_gen_lib_options)(*args, **kwargs)
+
+
+def _augment_exception(exc, version, arch=''):
+    """
+    Add details to the exception message to help guide the user
+    as to what action will resolve it.
+    """
+    # Error if MSVC++ directory not found or environment not set
+    message = exc.args[0]
+
+    if "vcvarsall" in message.lower() or "visual c" in message.lower():
+        # Special error message if MSVC++ not installed
+        tmpl = 'Microsoft Visual C++ {version:0.1f} or greater is required.'
+        message = tmpl.format(**locals())
+        msdownload = 'www.microsoft.com/download/details.aspx?id=%d'
+        if version == 9.0:
+            if arch.lower().find('ia64') > -1:
+                # For VC++ 9.0, if IA64 support is needed, redirect user
+                # to Windows SDK 7.0.
+                # Note: No download link available from Microsoft.
+                message += ' Get it with "Microsoft Windows SDK 7.0"'
+            else:
+                # For VC++ 9.0 redirect user to Vc++ for Python 2.7 :
+                # This redirection link is maintained by Microsoft.
+                # Contact vspython@microsoft.com if it needs updating.
+                message += ' Get it from http://aka.ms/vcpython27'
+        elif version == 10.0:
+            # For VC++ 10.0 Redirect user to Windows SDK 7.1
+            message += ' Get it with "Microsoft Windows SDK 7.1": '
+            message += msdownload % 8279
+        elif version >= 14.0:
+            # For VC++ 14.X Redirect user to latest Visual C++ Build Tools
+            message += (' Get it with "Microsoft C++ Build Tools": '
+                        r'https://visualstudio.microsoft.com'
+                        r'/visual-cpp-build-tools/')
+
+    exc.args = (message, )
+
+
+class PlatformInfo:
+    """
+    Current and Target Architectures information.
+
+    Parameters
+    ----------
+    arch: str
+        Target architecture.
+    """
+    current_cpu = environ.get('processor_architecture', '').lower()
+
+    def __init__(self, arch):
+        self.arch = arch.lower().replace('x64', 'amd64')
+
+    @property
+    def target_cpu(self):
+        """
+        Return Target CPU architecture.
+
+        Return
+        ------
+        str
+            Target CPU
+        """
+        return self.arch[self.arch.find('_') + 1:]
+
+    def target_is_x86(self):
+        """
+        Return True if target CPU is x86 32 bits..
+
+        Return
+        ------
+        bool
+            CPU is x86 32 bits
+        """
+        return self.target_cpu == 'x86'
+
+    def current_is_x86(self):
+        """
+        Return True if current CPU is x86 32 bits..
+
+        Return
+        ------
+        bool
+            CPU is x86 32 bits
+        """
+        return self.current_cpu == 'x86'
+
+    def current_dir(self, hidex86=False, x64=False):
+        """
+        Current platform specific subfolder.
+
+        Parameters
+        ----------
+        hidex86: bool
+            return '' and not '\x86' if architecture is x86.
+        x64: bool
+            return '\x64' and not '\amd64' if architecture is amd64.
+
+        Return
+        ------
+        str
+            subfolder: '\target', or '' (see hidex86 parameter)
+        """
+        return (
+            '' if (self.current_cpu == 'x86' and hidex86) else
+            r'\x64' if (self.current_cpu == 'amd64' and x64) else
+            r'\%s' % self.current_cpu
+        )
+
+    def target_dir(self, hidex86=False, x64=False):
+        r"""
+        Target platform specific subfolder.
+
+        Parameters
+        ----------
+        hidex86: bool
+            return '' and not '\x86' if architecture is x86.
+        x64: bool
+            return '\x64' and not '\amd64' if architecture is amd64.
+
+        Return
+        ------
+        str
+            subfolder: '\current', or '' (see hidex86 parameter)
+        """
+        return (
+            '' if (self.target_cpu == 'x86' and hidex86) else
+            r'\x64' if (self.target_cpu == 'amd64' and x64) else
+            r'\%s' % self.target_cpu
+        )
+
+    def cross_dir(self, forcex86=False):
+        r"""
+        Cross platform specific subfolder.
+
+        Parameters
+        ----------
+        forcex86: bool
+            Use 'x86' as current architecture even if current architecture is
+            not x86.
+
+        Return
+        ------
+        str
+            subfolder: '' if target architecture is current architecture,
+            '\current_target' if not.
+        """
+        current = 'x86' if forcex86 else self.current_cpu
+        return (
+            '' if self.target_cpu == current else
+            self.target_dir().replace('\\', '\\%s_' % current)
+        )
+
+
+class RegistryInfo:
+    """
+    Microsoft Visual Studio related registry information.
+
+    Parameters
+    ----------
+    platform_info: PlatformInfo
+        "PlatformInfo" instance.
+    """
+    HKEYS = (winreg.HKEY_USERS,
+             winreg.HKEY_CURRENT_USER,
+             winreg.HKEY_LOCAL_MACHINE,
+             winreg.HKEY_CLASSES_ROOT)
+
+    def __init__(self, platform_info):
+        self.pi = platform_info
+
+    @property
+    def visualstudio(self):
+        """
+        Microsoft Visual Studio root registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return 'VisualStudio'
+
+    @property
+    def sxs(self):
+        """
+        Microsoft Visual Studio SxS registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return join(self.visualstudio, 'SxS')
+
+    @property
+    def vc(self):
+        """
+        Microsoft Visual C++ VC7 registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return join(self.sxs, 'VC7')
+
+    @property
+    def vs(self):
+        """
+        Microsoft Visual Studio VS7 registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return join(self.sxs, 'VS7')
+
+    @property
+    def vc_for_python(self):
+        """
+        Microsoft Visual C++ for Python registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return r'DevDiv\VCForPython'
+
+    @property
+    def microsoft_sdk(self):
+        """
+        Microsoft SDK registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return 'Microsoft SDKs'
+
+    @property
+    def windows_sdk(self):
+        """
+        Microsoft Windows/Platform SDK registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return join(self.microsoft_sdk, 'Windows')
+
+    @property
+    def netfx_sdk(self):
+        """
+        Microsoft .NET Framework SDK registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return join(self.microsoft_sdk, 'NETFXSDK')
+
+    @property
+    def windows_kits_roots(self):
+        """
+        Microsoft Windows Kits Roots registry key.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        return r'Windows Kits\Installed Roots'
+
+    def microsoft(self, key, x86=False):
+        """
+        Return key in Microsoft software registry.
+
+        Parameters
+        ----------
+        key: str
+            Registry key path where look.
+        x86: str
+            Force x86 software registry.
+
+        Return
+        ------
+        str
+            Registry key
+        """
+        node64 = '' if self.pi.current_is_x86() or x86 else 'Wow6432Node'
+        return join('Software', node64, 'Microsoft', key)
+
+    def lookup(self, key, name):
+        """
+        Look for values in registry in Microsoft software registry.
+
+        Parameters
+        ----------
+        key: str
+            Registry key path where look.
+        name: str
+            Value name to find.
+
+        Return
+        ------
+        str
+            value
+        """
+        key_read = winreg.KEY_READ
+        openkey = winreg.OpenKey
+        closekey = winreg.CloseKey
+        ms = self.microsoft
+        for hkey in self.HKEYS:
+            bkey = None
+            try:
+                bkey = openkey(hkey, ms(key), 0, key_read)
+            except (OSError, IOError):
+                if not self.pi.current_is_x86():
+                    try:
+                        bkey = openkey(hkey, ms(key, True), 0, key_read)
+                    except (OSError, IOError):
+                        continue
+                else:
+                    continue
+            try:
+                return winreg.QueryValueEx(bkey, name)[0]
+            except (OSError, IOError):
+                pass
+            finally:
+                if bkey:
+                    closekey(bkey)
+
+
+class SystemInfo:
+    """
+    Microsoft Windows and Visual Studio related system information.
+
+    Parameters
+    ----------
+    registry_info: RegistryInfo
+        "RegistryInfo" instance.
+    vc_ver: float
+        Required Microsoft Visual C++ version.
+    """
+
+    # Variables and properties in this class use originals CamelCase variables
+    # names from Microsoft source files for more easy comparison.
+    WinDir = environ.get('WinDir', '')
+    ProgramFiles = environ.get('ProgramFiles', '')
+    ProgramFilesx86 = environ.get('ProgramFiles(x86)', ProgramFiles)
+
+    def __init__(self, registry_info, vc_ver=None):
+        self.ri = registry_info
+        self.pi = self.ri.pi
+
+        self.known_vs_paths = self.find_programdata_vs_vers()
+
+        # Except for VS15+, VC version is aligned with VS version
+        self.vs_ver = self.vc_ver = (
+            vc_ver or self._find_latest_available_vs_ver())
+
+    def _find_latest_available_vs_ver(self):
+        """
+        Find the latest VC version
+
+        Return
+        ------
+        float
+            version
+        """
+        reg_vc_vers = self.find_reg_vs_vers()
+
+        if not (reg_vc_vers or self.known_vs_paths):
+            raise distutils.errors.DistutilsPlatformError(
+                'No Microsoft Visual C++ version found')
+
+        vc_vers = set(reg_vc_vers)
+        vc_vers.update(self.known_vs_paths)
+        return sorted(vc_vers)[-1]
+
+    def find_reg_vs_vers(self):
+        """
+        Find Microsoft Visual Studio versions available in registry.
+
+        Return
+        ------
+        list of float
+            Versions
+        """
+        ms = self.ri.microsoft
+        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
+        vs_vers = []
+        for hkey, key in itertools.product(self.ri.HKEYS, vckeys):
+            try:
+                bkey = winreg.OpenKey(hkey, ms(key), 0, winreg.KEY_READ)
+            except (OSError, IOError):
+                continue
+            with bkey:
+                subkeys, values, _ = winreg.QueryInfoKey(bkey)
+                for i in range(values):
+                    with contextlib.suppress(ValueError):
+                        ver = float(winreg.EnumValue(bkey, i)[0])
+                        if ver not in vs_vers:
+                            vs_vers.append(ver)
+                for i in range(subkeys):
+                    with contextlib.suppress(ValueError):
+                        ver = float(winreg.EnumKey(bkey, i))
+                        if ver not in vs_vers:
+                            vs_vers.append(ver)
+        return sorted(vs_vers)
+
+    def find_programdata_vs_vers(self):
+        r"""
+        Find Visual studio 2017+ versions from information in
+        "C:\ProgramData\Microsoft\VisualStudio\Packages\_Instances".
+
+        Return
+        ------
+        dict
+            float version as key, path as value.
+        """
+        vs_versions = {}
+        instances_dir = \
+            r'C:\ProgramData\Microsoft\VisualStudio\Packages\_Instances'
+
+        try:
+            hashed_names = listdir(instances_dir)
+
+        except (OSError, IOError):
+            # Directory not exists with all Visual Studio versions
+            return vs_versions
+
+        for name in hashed_names:
+            try:
+                # Get VS installation path from "state.json" file
+                state_path = join(instances_dir, name, 'state.json')
+                with open(state_path, 'rt', encoding='utf-8') as state_file:
+                    state = json.load(state_file)
+                vs_path = state['installationPath']
+
+                # Raises OSError if this VS installation does not contain VC
+                listdir(join(vs_path, r'VC\Tools\MSVC'))
+
+                # Store version and path
+                vs_versions[self._as_float_version(
+                    state['installationVersion'])] = vs_path
+
+            except (OSError, IOError, KeyError):
+                # Skip if "state.json" file is missing or bad format
+                continue
+
+        return vs_versions
+
+    @staticmethod
+    def _as_float_version(version):
+        """
+        Return a string version as a simplified float version (major.minor)
+
+        Parameters
+        ----------
+        version: str
+            Version.
+
+        Return
+        ------
+        float
+            version
+        """
+        return float('.'.join(version.split('.')[:2]))
+
+    @property
+    def VSInstallDir(self):
+        """
+        Microsoft Visual Studio directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        # Default path
+        default = join(self.ProgramFilesx86,
+                       'Microsoft Visual Studio %0.1f' % self.vs_ver)
+
+        # Try to get path from registry, if fail use default path
+        return self.ri.lookup(self.ri.vs, '%0.1f' % self.vs_ver) or default
+
+    @property
+    def VCInstallDir(self):
+        """
+        Microsoft Visual C++ directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        path = self._guess_vc() or self._guess_vc_legacy()
+
+        if not isdir(path):
+            msg = 'Microsoft Visual C++ directory not found'
+            raise distutils.errors.DistutilsPlatformError(msg)
+
+        return path
+
+    def _guess_vc(self):
+        """
+        Locate Visual C++ for VS2017+.
+
+        Return
+        ------
+        str
+            path
+        """
+        if self.vs_ver <= 14.0:
+            return ''
+
+        try:
+            # First search in known VS paths
+            vs_dir = self.known_vs_paths[self.vs_ver]
+        except KeyError:
+            # Else, search with path from registry
+            vs_dir = self.VSInstallDir
+
+        guess_vc = join(vs_dir, r'VC\Tools\MSVC')
+
+        # Subdir with VC exact version as name
+        try:
+            # Update the VC version with real one instead of VS version
+            vc_ver = listdir(guess_vc)[-1]
+            self.vc_ver = self._as_float_version(vc_ver)
+            return join(guess_vc, vc_ver)
+        except (OSError, IOError, IndexError):
+            return ''
+
+    def _guess_vc_legacy(self):
+        """
+        Locate Visual C++ for versions prior to 2017.
+
+        Return
+        ------
+        str
+            path
+        """
+        default = join(self.ProgramFilesx86,
+                       r'Microsoft Visual Studio %0.1f\VC' % self.vs_ver)
+
+        # Try to get "VC++ for Python" path from registry as default path
+        reg_path = join(self.ri.vc_for_python, '%0.1f' % self.vs_ver)
+        python_vc = self.ri.lookup(reg_path, 'installdir')
+        default_vc = join(python_vc, 'VC') if python_vc else default
+
+        # Try to get path from registry, if fail use default path
+        return self.ri.lookup(self.ri.vc, '%0.1f' % self.vs_ver) or default_vc
+
+    @property
+    def WindowsSdkVersion(self):
+        """
+        Microsoft Windows SDK versions for specified MSVC++ version.
+
+        Return
+        ------
+        tuple of str
+            versions
+        """
+        if self.vs_ver <= 9.0:
+            return '7.0', '6.1', '6.0a'
+        elif self.vs_ver == 10.0:
+            return '7.1', '7.0a'
+        elif self.vs_ver == 11.0:
+            return '8.0', '8.0a'
+        elif self.vs_ver == 12.0:
+            return '8.1', '8.1a'
+        elif self.vs_ver >= 14.0:
+            return '10.0', '8.1'
+
+    @property
+    def WindowsSdkLastVersion(self):
+        """
+        Microsoft Windows SDK last version.
+
+        Return
+        ------
+        str
+            version
+        """
+        return self._use_last_dir_name(join(self.WindowsSdkDir, 'lib'))
+
+    @property  # noqa: C901
+    def WindowsSdkDir(self):  # noqa: C901  # is too complex (12)  # FIXME
+        """
+        Microsoft Windows SDK directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        sdkdir = ''
+        for ver in self.WindowsSdkVersion:
+            # Try to get it from registry
+            loc = join(self.ri.windows_sdk, 'v%s' % ver)
+            sdkdir = self.ri.lookup(loc, 'installationfolder')
+            if sdkdir:
+                break
+        if not sdkdir or not isdir(sdkdir):
+            # Try to get "VC++ for Python" version from registry
+            path = join(self.ri.vc_for_python, '%0.1f' % self.vc_ver)
+            install_base = self.ri.lookup(path, 'installdir')
+            if install_base:
+                sdkdir = join(install_base, 'WinSDK')
+        if not sdkdir or not isdir(sdkdir):
+            # If fail, use default new path
+            for ver in self.WindowsSdkVersion:
+                intver = ver[:ver.rfind('.')]
+                path = r'Microsoft SDKs\Windows Kits\%s' % intver
+                d = join(self.ProgramFiles, path)
+                if isdir(d):
+                    sdkdir = d
+        if not sdkdir or not isdir(sdkdir):
+            # If fail, use default old path
+            for ver in self.WindowsSdkVersion:
+                path = r'Microsoft SDKs\Windows\v%s' % ver
+                d = join(self.ProgramFiles, path)
+                if isdir(d):
+                    sdkdir = d
+        if not sdkdir:
+            # If fail, use Platform SDK
+            sdkdir = join(self.VCInstallDir, 'PlatformSDK')
+        return sdkdir
+
+    @property
+    def WindowsSDKExecutablePath(self):
+        """
+        Microsoft Windows SDK executable directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        # Find WinSDK NetFx Tools registry dir name
+        if self.vs_ver <= 11.0:
+            netfxver = 35
+            arch = ''
+        else:
+            netfxver = 40
+            hidex86 = True if self.vs_ver <= 12.0 else False
+            arch = self.pi.current_dir(x64=True, hidex86=hidex86)
+        fx = 'WinSDK-NetFx%dTools%s' % (netfxver, arch.replace('\\', '-'))
+
+        # list all possibles registry paths
+        regpaths = []
+        if self.vs_ver >= 14.0:
+            for ver in self.NetFxSdkVersion:
+                regpaths += [join(self.ri.netfx_sdk, ver, fx)]
+
+        for ver in self.WindowsSdkVersion:
+            regpaths += [join(self.ri.windows_sdk, 'v%sA' % ver, fx)]
+
+        # Return installation folder from the more recent path
+        for path in regpaths:
+            execpath = self.ri.lookup(path, 'installationfolder')
+            if execpath:
+                return execpath
+
+    @property
+    def FSharpInstallDir(self):
+        """
+        Microsoft Visual F# directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        path = join(self.ri.visualstudio, r'%0.1f\Setup\F#' % self.vs_ver)
+        return self.ri.lookup(path, 'productdir') or ''
+
+    @property
+    def UniversalCRTSdkDir(self):
+        """
+        Microsoft Universal CRT SDK directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        # Set Kit Roots versions for specified MSVC++ version
+        vers = ('10', '81') if self.vs_ver >= 14.0 else ()
+
+        # Find path of the more recent Kit
+        for ver in vers:
+            sdkdir = self.ri.lookup(self.ri.windows_kits_roots,
+                                    'kitsroot%s' % ver)
+            if sdkdir:
+                return sdkdir or ''
+
+    @property
+    def UniversalCRTSdkLastVersion(self):
+        """
+        Microsoft Universal C Runtime SDK last version.
+
+        Return
+        ------
+        str
+            version
+        """
+        return self._use_last_dir_name(join(self.UniversalCRTSdkDir, 'lib'))
+
+    @property
+    def NetFxSdkVersion(self):
+        """
+        Microsoft .NET Framework SDK versions.
+
+        Return
+        ------
+        tuple of str
+            versions
+        """
+        # Set FxSdk versions for specified VS version
+        return (('4.7.2', '4.7.1', '4.7',
+                 '4.6.2', '4.6.1', '4.6',
+                 '4.5.2', '4.5.1', '4.5')
+                if self.vs_ver >= 14.0 else ())
+
+    @property
+    def NetFxSdkDir(self):
+        """
+        Microsoft .NET Framework SDK directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        sdkdir = ''
+        for ver in self.NetFxSdkVersion:
+            loc = join(self.ri.netfx_sdk, ver)
+            sdkdir = self.ri.lookup(loc, 'kitsinstallationfolder')
+            if sdkdir:
+                break
+        return sdkdir
+
+    @property
+    def FrameworkDir32(self):
+        """
+        Microsoft .NET Framework 32bit directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        # Default path
+        guess_fw = join(self.WinDir, r'Microsoft.NET\Framework')
+
+        # Try to get path from registry, if fail use default path
+        return self.ri.lookup(self.ri.vc, 'frameworkdir32') or guess_fw
+
+    @property
+    def FrameworkDir64(self):
+        """
+        Microsoft .NET Framework 64bit directory.
+
+        Return
+        ------
+        str
+            path
+        """
+        # Default path
+        guess_fw = join(self.WinDir, r'Microsoft.NET\Framework64')
+
+        # Try to get path from registry, if fail use default path
+        return self.ri.lookup(self.ri.vc, 'frameworkdir64') or guess_fw
+
+    @property
+    def FrameworkVersion32(self):
+        """
+        Microsoft .NET Framework 32bit versions.
+
+        Return
+        ------
+        tuple of str
+            versions
+        """
+        return self._find_dot_net_versions(32)
+
+    @property
+    def FrameworkVersion64(self):
+        """
+        Microsoft .NET Framework 64bit versions.
+
+        Return
+        ------
+        tuple of str
+            versions
+        """
+        return self._find_dot_net_versions(64)
+
+    def _find_dot_net_versions(self, bits):
+        """
+        Find Microsoft .NET Framework versions.
+
+        Parameters
+        ----------
+        bits: int
+            Platform number of bits: 32 or 64.
+
+        Return
+        ------
+        tuple of str
+            versions
+        """
+        # Find actual .NET version in registry
+        reg_ver = self.ri.lookup(self.ri.vc, 'frameworkver%d' % bits)
+        dot_net_dir = getattr(self, 'FrameworkDir%d' % bits)
+        ver = reg_ver or self._use_last_dir_name(dot_net_dir, 'v') or ''
+
+        # Set .NET versions for specified MSVC++ version
+        if self.vs_ver >= 12.0:
+            return ver, 'v4.0'
+        elif self.vs_ver >= 10.0:
+            return 'v4.0.30319' if ver.lower()[:2] != 'v4' else ver, 'v3.5'
+        elif self.vs_ver == 9.0:
+            return 'v3.5', 'v2.0.50727'
+        elif self.vs_ver == 8.0:
+            return 'v3.0', 'v2.0.50727'
+
+    @staticmethod
+    def _use_last_dir_name(path, prefix=''):
+        """
+        Return name of the last dir in path or '' if no dir found.
+
+        Parameters
+        ----------
+        path: str
+            Use dirs in this path
+        prefix: str
+            Use only dirs starting by this prefix
+
+        Return
+        ------
+        str
+            name
+        """
+        matching_dirs = (
+            dir_name
+            for dir_name in reversed(listdir(path))
+            if isdir(join(path, dir_name)) and
+            dir_name.startswith(prefix)
+        )
+        return next(matching_dirs, None) or ''
+
+
+class EnvironmentInfo:
+    """
+    Return environment variables for specified Microsoft Visual C++ version
+    and platform : Lib, Include, Path and libpath.
+
+    This function is compatible with Microsoft Visual C++ 9.0 to 14.X.
+
+    Script created by analysing Microsoft environment configuration files like
+    "vcvars[...].bat", "SetEnv.Cmd", "vcbuildtools.bat", ...
+
+    Parameters
+    ----------
+    arch: str
+        Target architecture.
+    vc_ver: float
+        Required Microsoft Visual C++ version. If not set, autodetect the last
+        version.
+    vc_min_ver: float
+        Minimum Microsoft Visual C++ version.
+    """
+
+    # Variables and properties in this class use originals CamelCase variables
+    # names from Microsoft source files for more easy comparison.
+
+    def __init__(self, arch, vc_ver=None, vc_min_ver=0):
+        self.pi = PlatformInfo(arch)
+        self.ri = RegistryInfo(self.pi)
+        self.si = SystemInfo(self.ri, vc_ver)
+
+        if self.vc_ver < vc_min_ver:
+            err = 'No suitable Microsoft Visual C++ version found'
+            raise distutils.errors.DistutilsPlatformError(err)
+
+    @property
+    def vs_ver(self):
+        """
+        Microsoft Visual Studio.
+
+        Return
+        ------
+        float
+            version
+        """
+        return self.si.vs_ver
+
+    @property
+    def vc_ver(self):
+        """
+        Microsoft Visual C++ version.
+
+        Return
+        ------
+        float
+            version
+        """
+        return self.si.vc_ver
+
+    @property
+    def VSTools(self):
+        """
+        Microsoft Visual Studio Tools.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        paths = [r'Common7\IDE', r'Common7\Tools']
+
+        if self.vs_ver >= 14.0:
+            arch_subdir = self.pi.current_dir(hidex86=True, x64=True)
+            paths += [r'Common7\IDE\CommonExtensions\Microsoft\TestWindow']
+            paths += [r'Team Tools\Performance Tools']
+            paths += [r'Team Tools\Performance Tools%s' % arch_subdir]
+
+        return [join(self.si.VSInstallDir, path) for path in paths]
+
+    @property
+    def VCIncludes(self):
+        """
+        Microsoft Visual C++ & Microsoft Foundation Class Includes.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        return [join(self.si.VCInstallDir, 'Include'),
+                join(self.si.VCInstallDir, r'ATLMFC\Include')]
+
+    @property
+    def VCLibraries(self):
+        """
+        Microsoft Visual C++ & Microsoft Foundation Class Libraries.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver >= 15.0:
+            arch_subdir = self.pi.target_dir(x64=True)
+        else:
+            arch_subdir = self.pi.target_dir(hidex86=True)
+        paths = ['Lib%s' % arch_subdir, r'ATLMFC\Lib%s' % arch_subdir]
+
+        if self.vs_ver >= 14.0:
+            paths += [r'Lib\store%s' % arch_subdir]
+
+        return [join(self.si.VCInstallDir, path) for path in paths]
+
+    @property
+    def VCStoreRefs(self):
+        """
+        Microsoft Visual C++ store references Libraries.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver < 14.0:
+            return []
+        return [join(self.si.VCInstallDir, r'Lib\store\references')]
+
+    @property
+    def VCTools(self):
+        """
+        Microsoft Visual C++ Tools.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        si = self.si
+        tools = [join(si.VCInstallDir, 'VCPackages')]
+
+        forcex86 = True if self.vs_ver <= 10.0 else False
+        arch_subdir = self.pi.cross_dir(forcex86)
+        if arch_subdir:
+            tools += [join(si.VCInstallDir, 'Bin%s' % arch_subdir)]
+
+        if self.vs_ver == 14.0:
+            path = 'Bin%s' % self.pi.current_dir(hidex86=True)
+            tools += [join(si.VCInstallDir, path)]
+
+        elif self.vs_ver >= 15.0:
+            host_dir = (r'bin\HostX86%s' if self.pi.current_is_x86() else
+                        r'bin\HostX64%s')
+            tools += [join(
+                si.VCInstallDir, host_dir % self.pi.target_dir(x64=True))]
+
+            if self.pi.current_cpu != self.pi.target_cpu:
+                tools += [join(
+                    si.VCInstallDir, host_dir % self.pi.current_dir(x64=True))]
+
+        else:
+            tools += [join(si.VCInstallDir, 'Bin')]
+
+        return tools
+
+    @property
+    def OSLibraries(self):
+        """
+        Microsoft Windows SDK Libraries.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver <= 10.0:
+            arch_subdir = self.pi.target_dir(hidex86=True, x64=True)
+            return [join(self.si.WindowsSdkDir, 'Lib%s' % arch_subdir)]
+
+        else:
+            arch_subdir = self.pi.target_dir(x64=True)
+            lib = join(self.si.WindowsSdkDir, 'lib')
+            libver = self._sdk_subdir
+            return [join(lib, '%sum%s' % (libver, arch_subdir))]
+
+    @property
+    def OSIncludes(self):
+        """
+        Microsoft Windows SDK Include.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        include = join(self.si.WindowsSdkDir, 'include')
+
+        if self.vs_ver <= 10.0:
+            return [include, join(include, 'gl')]
+
+        else:
+            if self.vs_ver >= 14.0:
+                sdkver = self._sdk_subdir
+            else:
+                sdkver = ''
+            return [join(include, '%sshared' % sdkver),
+                    join(include, '%sum' % sdkver),
+                    join(include, '%swinrt' % sdkver)]
+
+    @property
+    def OSLibpath(self):
+        """
+        Microsoft Windows SDK Libraries Paths.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        ref = join(self.si.WindowsSdkDir, 'References')
+        libpath = []
+
+        if self.vs_ver <= 9.0:
+            libpath += self.OSLibraries
+
+        if self.vs_ver >= 11.0:
+            libpath += [join(ref, r'CommonConfiguration\Neutral')]
+
+        if self.vs_ver >= 14.0:
+            libpath += [
+                ref,
+                join(self.si.WindowsSdkDir, 'UnionMetadata'),
+                join(
+                    ref, 'Windows.Foundation.UniversalApiContract', '1.0.0.0'),
+                join(ref, 'Windows.Foundation.FoundationContract', '1.0.0.0'),
+                join(
+                    ref, 'Windows.Networking.Connectivity.WwanContract',
+                    '1.0.0.0'),
+                join(
+                    self.si.WindowsSdkDir, 'ExtensionSDKs', 'Microsoft.VCLibs',
+                    '%0.1f' % self.vs_ver, 'References', 'CommonConfiguration',
+                    'neutral'),
+            ]
+        return libpath
+
+    @property
+    def SdkTools(self):
+        """
+        Microsoft Windows SDK Tools.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        return list(self._sdk_tools())
+
+    def _sdk_tools(self):
+        """
+        Microsoft Windows SDK Tools paths generator.
+
+        Return
+        ------
+        generator of str
+            paths
+        """
+        if self.vs_ver < 15.0:
+            bin_dir = 'Bin' if self.vs_ver <= 11.0 else r'Bin\x86'
+            yield join(self.si.WindowsSdkDir, bin_dir)
+
+        if not self.pi.current_is_x86():
+            arch_subdir = self.pi.current_dir(x64=True)
+            path = 'Bin%s' % arch_subdir
+            yield join(self.si.WindowsSdkDir, path)
+
+        if self.vs_ver in (10.0, 11.0):
+            if self.pi.target_is_x86():
+                arch_subdir = ''
+            else:
+                arch_subdir = self.pi.current_dir(hidex86=True, x64=True)
+            path = r'Bin\NETFX 4.0 Tools%s' % arch_subdir
+            yield join(self.si.WindowsSdkDir, path)
+
+        elif self.vs_ver >= 15.0:
+            path = join(self.si.WindowsSdkDir, 'Bin')
+            arch_subdir = self.pi.current_dir(x64=True)
+            sdkver = self.si.WindowsSdkLastVersion
+            yield join(path, '%s%s' % (sdkver, arch_subdir))
+
+        if self.si.WindowsSDKExecutablePath:
+            yield self.si.WindowsSDKExecutablePath
+
+    @property
+    def _sdk_subdir(self):
+        """
+        Microsoft Windows SDK version subdir.
+
+        Return
+        ------
+        str
+            subdir
+        """
+        ucrtver = self.si.WindowsSdkLastVersion
+        return ('%s\\' % ucrtver) if ucrtver else ''
+
+    @property
+    def SdkSetup(self):
+        """
+        Microsoft Windows SDK Setup.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver > 9.0:
+            return []
+
+        return [join(self.si.WindowsSdkDir, 'Setup')]
+
+    @property
+    def FxTools(self):
+        """
+        Microsoft .NET Framework Tools.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        pi = self.pi
+        si = self.si
+
+        if self.vs_ver <= 10.0:
+            include32 = True
+            include64 = not pi.target_is_x86() and not pi.current_is_x86()
+        else:
+            include32 = pi.target_is_x86() or pi.current_is_x86()
+            include64 = pi.current_cpu == 'amd64' or pi.target_cpu == 'amd64'
+
+        tools = []
+        if include32:
+            tools += [join(si.FrameworkDir32, ver)
+                      for ver in si.FrameworkVersion32]
+        if include64:
+            tools += [join(si.FrameworkDir64, ver)
+                      for ver in si.FrameworkVersion64]
+        return tools
+
+    @property
+    def NetFxSDKLibraries(self):
+        """
+        Microsoft .Net Framework SDK Libraries.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver < 14.0 or not self.si.NetFxSdkDir:
+            return []
+
+        arch_subdir = self.pi.target_dir(x64=True)
+        return [join(self.si.NetFxSdkDir, r'lib\um%s' % arch_subdir)]
+
+    @property
+    def NetFxSDKIncludes(self):
+        """
+        Microsoft .Net Framework SDK Includes.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver < 14.0 or not self.si.NetFxSdkDir:
+            return []
+
+        return [join(self.si.NetFxSdkDir, r'include\um')]
+
+    @property
+    def VsTDb(self):
+        """
+        Microsoft Visual Studio Team System Database.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        return [join(self.si.VSInstallDir, r'VSTSDB\Deploy')]
+
+    @property
+    def MSBuild(self):
+        """
+        Microsoft Build Engine.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver < 12.0:
+            return []
+        elif self.vs_ver < 15.0:
+            base_path = self.si.ProgramFilesx86
+            arch_subdir = self.pi.current_dir(hidex86=True)
+        else:
+            base_path = self.si.VSInstallDir
+            arch_subdir = ''
+
+        path = r'MSBuild\%0.1f\bin%s' % (self.vs_ver, arch_subdir)
+        build = [join(base_path, path)]
+
+        if self.vs_ver >= 15.0:
+            # Add Roslyn C# & Visual Basic Compiler
+            build += [join(base_path, path, 'Roslyn')]
+
+        return build
+
+    @property
+    def HTMLHelpWorkshop(self):
+        """
+        Microsoft HTML Help Workshop.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver < 11.0:
+            return []
+
+        return [join(self.si.ProgramFilesx86, 'HTML Help Workshop')]
+
+    @property
+    def UCRTLibraries(self):
+        """
+        Microsoft Universal C Runtime SDK Libraries.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver < 14.0:
+            return []
+
+        arch_subdir = self.pi.target_dir(x64=True)
+        lib = join(self.si.UniversalCRTSdkDir, 'lib')
+        ucrtver = self._ucrt_subdir
+        return [join(lib, '%sucrt%s' % (ucrtver, arch_subdir))]
+
+    @property
+    def UCRTIncludes(self):
+        """
+        Microsoft Universal C Runtime SDK Include.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if self.vs_ver < 14.0:
+            return []
+
+        include = join(self.si.UniversalCRTSdkDir, 'include')
+        return [join(include, '%sucrt' % self._ucrt_subdir)]
+
+    @property
+    def _ucrt_subdir(self):
+        """
+        Microsoft Universal C Runtime SDK version subdir.
+
+        Return
+        ------
+        str
+            subdir
+        """
+        ucrtver = self.si.UniversalCRTSdkLastVersion
+        return ('%s\\' % ucrtver) if ucrtver else ''
+
+    @property
+    def FSharp(self):
+        """
+        Microsoft Visual F#.
+
+        Return
+        ------
+        list of str
+            paths
+        """
+        if 11.0 > self.vs_ver > 12.0:
+            return []
+
+        return [self.si.FSharpInstallDir]
+
+    @property
+    def VCRuntimeRedist(self):
+        """
+        Microsoft Visual C++ runtime redistributable dll.
+
+        Return
+        ------
+        str
+            path
+        """
+        vcruntime = 'vcruntime%d0.dll' % self.vc_ver
+        arch_subdir = self.pi.target_dir(x64=True).strip('\\')
+
+        # Installation prefixes candidates
+        prefixes = []
+        tools_path = self.si.VCInstallDir
+        redist_path = dirname(tools_path.replace(r'\Tools', r'\Redist'))
+        if isdir(redist_path):
+            # Redist version may not be exactly the same as tools
+            redist_path = join(redist_path, listdir(redist_path)[-1])
+            prefixes += [redist_path, join(redist_path, 'onecore')]
+
+        prefixes += [join(tools_path, 'redist')]  # VS14 legacy path
+
+        # CRT directory
+        crt_dirs = ('Microsoft.VC%d.CRT' % (self.vc_ver * 10),
+                    # Sometime store in directory with VS version instead of VC
+                    'Microsoft.VC%d.CRT' % (int(self.vs_ver) * 10))
+
+        # vcruntime path
+        for prefix, crt_dir in itertools.product(prefixes, crt_dirs):
+            path = join(prefix, arch_subdir, crt_dir, vcruntime)
+            if isfile(path):
+                return path
+
+    def return_env(self, exists=True):
+        """
+        Return environment dict.
+
+        Parameters
+        ----------
+        exists: bool
+            It True, only return existing paths.
+
+        Return
+        ------
+        dict
+            environment
+        """
+        env = dict(
+            include=self._build_paths('include',
+                                      [self.VCIncludes,
+                                       self.OSIncludes,
+                                       self.UCRTIncludes,
+                                       self.NetFxSDKIncludes],
+                                      exists),
+            lib=self._build_paths('lib',
+                                  [self.VCLibraries,
+                                   self.OSLibraries,
+                                   self.FxTools,
+                                   self.UCRTLibraries,
+                                   self.NetFxSDKLibraries],
+                                  exists),
+            libpath=self._build_paths('libpath',
+                                      [self.VCLibraries,
+                                       self.FxTools,
+                                       self.VCStoreRefs,
+                                       self.OSLibpath],
+                                      exists),
+            path=self._build_paths('path',
+                                   [self.VCTools,
+                                    self.VSTools,
+                                    self.VsTDb,
+                                    self.SdkTools,
+                                    self.SdkSetup,
+                                    self.FxTools,
+                                    self.MSBuild,
+                                    self.HTMLHelpWorkshop,
+                                    self.FSharp],
+                                   exists),
+        )
+        if self.vs_ver >= 14 and isfile(self.VCRuntimeRedist):
+            env['py_vcruntime_redist'] = self.VCRuntimeRedist
+        return env
+
+    def _build_paths(self, name, spec_path_lists, exists):
+        """
+        Given an environment variable name and specified paths,
+        return a pathsep-separated string of paths containing
+        unique, extant, directories from those paths and from
+        the environment variable. Raise an error if no paths
+        are resolved.
+
+        Parameters
+        ----------
+        name: str
+            Environment variable name
+        spec_path_lists: list of str
+            Paths
+        exists: bool
+            It True, only return existing paths.
+
+        Return
+        ------
+        str
+            Pathsep-separated paths
+        """
+        # flatten spec_path_lists
+        spec_paths = itertools.chain.from_iterable(spec_path_lists)
+        env_paths = environ.get(name, '').split(pathsep)
+        paths = itertools.chain(spec_paths, env_paths)
+        extant_paths = list(filter(isdir, paths)) if exists else paths
+        if not extant_paths:
+            msg = "%s environment variable is empty" % name.upper()
+            raise distutils.errors.DistutilsPlatformError(msg)
+        unique_paths = unique_everseen(extant_paths)
+        return pathsep.join(unique_paths)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/namespaces.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/namespaces.py
new file mode 100644
index 00000000..44939e1c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/namespaces.py
@@ -0,0 +1,107 @@
+import os
+from distutils import log
+import itertools
+
+
+flatten = itertools.chain.from_iterable
+
+
+class Installer:
+
+    nspkg_ext = '-nspkg.pth'
+
+    def install_namespaces(self):
+        nsp = self._get_all_ns_packages()
+        if not nsp:
+            return
+        filename, ext = os.path.splitext(self._get_target())
+        filename += self.nspkg_ext
+        self.outputs.append(filename)
+        log.info("Installing %s", filename)
+        lines = map(self._gen_nspkg_line, nsp)
+
+        if self.dry_run:
+            # always generate the lines, even in dry run
+            list(lines)
+            return
+
+        with open(filename, 'wt') as f:
+            f.writelines(lines)
+
+    def uninstall_namespaces(self):
+        filename, ext = os.path.splitext(self._get_target())
+        filename += self.nspkg_ext
+        if not os.path.exists(filename):
+            return
+        log.info("Removing %s", filename)
+        os.remove(filename)
+
+    def _get_target(self):
+        return self.target
+
+    _nspkg_tmpl = (
+        "import sys, types, os",
+        "has_mfs = sys.version_info > (3, 5)",
+        "p = os.path.join(%(root)s, *%(pth)r)",
+        "importlib = has_mfs and __import__('importlib.util')",
+        "has_mfs and __import__('importlib.machinery')",
+        (
+            "m = has_mfs and "
+            "sys.modules.setdefault(%(pkg)r, "
+            "importlib.util.module_from_spec("
+            "importlib.machinery.PathFinder.find_spec(%(pkg)r, "
+            "[os.path.dirname(p)])))"
+        ),
+        (
+            "m = m or "
+            "sys.modules.setdefault(%(pkg)r, types.ModuleType(%(pkg)r))"
+        ),
+        "mp = (m or []) and m.__dict__.setdefault('__path__',[])",
+        "(p not in mp) and mp.append(p)",
+    )
+    "lines for the namespace installer"
+
+    _nspkg_tmpl_multi = (
+        'm and setattr(sys.modules[%(parent)r], %(child)r, m)',
+    )
+    "additional line(s) when a parent package is indicated"
+
+    def _get_root(self):
+        return "sys._getframe(1).f_locals['sitedir']"
+
+    def _gen_nspkg_line(self, pkg):
+        pth = tuple(pkg.split('.'))
+        root = self._get_root()
+        tmpl_lines = self._nspkg_tmpl
+        parent, sep, child = pkg.rpartition('.')
+        if parent:
+            tmpl_lines += self._nspkg_tmpl_multi
+        return ';'.join(tmpl_lines) % locals() + '\n'
+
+    def _get_all_ns_packages(self):
+        """Return sorted list of all package namespaces"""
+        pkgs = self.distribution.namespace_packages or []
+        return sorted(flatten(map(self._pkg_names, pkgs)))
+
+    @staticmethod
+    def _pkg_names(pkg):
+        """
+        Given a namespace package, yield the components of that
+        package.
+
+        >>> names = Installer._pkg_names('a.b.c')
+        >>> set(names) == set(['a', 'a.b', 'a.b.c'])
+        True
+        """
+        parts = pkg.split('.')
+        while parts:
+            yield '.'.join(parts)
+            parts.pop()
+
+
+class DevelopInstaller(Installer):
+    def _get_root(self):
+        return repr(str(self.egg_path))
+
+    def _get_target(self):
+        return self.egg_link
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/package_index.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/package_index.py
new file mode 100644
index 00000000..14881d29
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/package_index.py
@@ -0,0 +1,1126 @@
+"""PyPI and direct package downloading"""
+import sys
+import os
+import re
+import io
+import shutil
+import socket
+import base64
+import hashlib
+import itertools
+import warnings
+import configparser
+import html
+import http.client
+import urllib.parse
+import urllib.request
+import urllib.error
+from functools import wraps
+
+import setuptools
+from pkg_resources import (
+    CHECKOUT_DIST, Distribution, BINARY_DIST, normalize_path, SOURCE_DIST,
+    Environment, find_distributions, safe_name, safe_version,
+    to_filename, Requirement, DEVELOP_DIST, EGG_DIST, parse_version,
+)
+from distutils import log
+from distutils.errors import DistutilsError
+from fnmatch import translate
+from setuptools.wheel import Wheel
+from setuptools.extern.more_itertools import unique_everseen
+
+
+EGG_FRAGMENT = re.compile(r'^egg=([-A-Za-z0-9_.+!]+)$')
+HREF = re.compile(r"""href\s*=\s*['"]?([^'"> ]+)""", re.I)
+PYPI_MD5 = re.compile(
+    r'<a href="([^"#]+)">([^<]+)</a>\n\s+\(<a (?:title="MD5 hash"\n\s+)'
+    r'href="[^?]+\?:action=show_md5&amp;digest=([0-9a-f]{32})">md5</a>\)'
+)
+URL_SCHEME = re.compile('([-+.a-z0-9]{2,}):', re.I).match
+EXTENSIONS = ".tar.gz .tar.bz2 .tar .zip .tgz".split()
+
+__all__ = [
+    'PackageIndex', 'distros_for_url', 'parse_bdist_wininst',
+    'interpret_distro_name',
+]
+
+_SOCKET_TIMEOUT = 15
+
+_tmpl = "setuptools/{setuptools.__version__} Python-urllib/{py_major}"
+user_agent = _tmpl.format(
+    py_major='{}.{}'.format(*sys.version_info), setuptools=setuptools)
+
+
+def parse_requirement_arg(spec):
+    try:
+        return Requirement.parse(spec)
+    except ValueError as e:
+        raise DistutilsError(
+            "Not a URL, existing file, or requirement spec: %r" % (spec,)
+        ) from e
+
+
+def parse_bdist_wininst(name):
+    """Return (base,pyversion) or (None,None) for possible .exe name"""
+
+    lower = name.lower()
+    base, py_ver, plat = None, None, None
+
+    if lower.endswith('.exe'):
+        if lower.endswith('.win32.exe'):
+            base = name[:-10]
+            plat = 'win32'
+        elif lower.startswith('.win32-py', -16):
+            py_ver = name[-7:-4]
+            base = name[:-16]
+            plat = 'win32'
+        elif lower.endswith('.win-amd64.exe'):
+            base = name[:-14]
+            plat = 'win-amd64'
+        elif lower.startswith('.win-amd64-py', -20):
+            py_ver = name[-7:-4]
+            base = name[:-20]
+            plat = 'win-amd64'
+    return base, py_ver, plat
+
+
+def egg_info_for_url(url):
+    parts = urllib.parse.urlparse(url)
+    scheme, server, path, parameters, query, fragment = parts
+    base = urllib.parse.unquote(path.split('/')[-1])
+    if server == 'sourceforge.net' and base == 'download':  # XXX Yuck
+        base = urllib.parse.unquote(path.split('/')[-2])
+    if '#' in base:
+        base, fragment = base.split('#', 1)
+    return base, fragment
+
+
+def distros_for_url(url, metadata=None):
+    """Yield egg or source distribution objects that might be found at a URL"""
+    base, fragment = egg_info_for_url(url)
+    for dist in distros_for_location(url, base, metadata):
+        yield dist
+    if fragment:
+        match = EGG_FRAGMENT.match(fragment)
+        if match:
+            for dist in interpret_distro_name(
+                url, match.group(1), metadata, precedence=CHECKOUT_DIST
+            ):
+                yield dist
+
+
+def distros_for_location(location, basename, metadata=None):
+    """Yield egg or source distribution objects based on basename"""
+    if basename.endswith('.egg.zip'):
+        basename = basename[:-4]  # strip the .zip
+    if basename.endswith('.egg') and '-' in basename:
+        # only one, unambiguous interpretation
+        return [Distribution.from_location(location, basename, metadata)]
+    if basename.endswith('.whl') and '-' in basename:
+        wheel = Wheel(basename)
+        if not wheel.is_compatible():
+            return []
+        return [Distribution(
+            location=location,
+            project_name=wheel.project_name,
+            version=wheel.version,
+            # Increase priority over eggs.
+            precedence=EGG_DIST + 1,
+        )]
+    if basename.endswith('.exe'):
+        win_base, py_ver, platform = parse_bdist_wininst(basename)
+        if win_base is not None:
+            return interpret_distro_name(
+                location, win_base, metadata, py_ver, BINARY_DIST, platform
+            )
+    # Try source distro extensions (.zip, .tgz, etc.)
+    #
+    for ext in EXTENSIONS:
+        if basename.endswith(ext):
+            basename = basename[:-len(ext)]
+            return interpret_distro_name(location, basename, metadata)
+    return []  # no extension matched
+
+
+def distros_for_filename(filename, metadata=None):
+    """Yield possible egg or source distribution objects based on a filename"""
+    return distros_for_location(
+        normalize_path(filename), os.path.basename(filename), metadata
+    )
+
+
+def interpret_distro_name(
+        location, basename, metadata, py_version=None, precedence=SOURCE_DIST,
+        platform=None
+):
+    """Generate alternative interpretations of a source distro name
+
+    Note: if `location` is a filesystem filename, you should call
+    ``pkg_resources.normalize_path()`` on it before passing it to this
+    routine!
+    """
+    # Generate alternative interpretations of a source distro name
+    # Because some packages are ambiguous as to name/versions split
+    # e.g. "adns-python-1.1.0", "egenix-mx-commercial", etc.
+    # So, we generate each possible interpretation (e.g. "adns, python-1.1.0"
+    # "adns-python, 1.1.0", and "adns-python-1.1.0, no version").  In practice,
+    # the spurious interpretations should be ignored, because in the event
+    # there's also an "adns" package, the spurious "python-1.1.0" version will
+    # compare lower than any numeric version number, and is therefore unlikely
+    # to match a request for it.  It's still a potential problem, though, and
+    # in the long run PyPI and the distutils should go for "safe" names and
+    # versions in distribution archive names (sdist and bdist).
+
+    parts = basename.split('-')
+    if not py_version and any(re.match(r'py\d\.\d$', p) for p in parts[2:]):
+        # it is a bdist_dumb, not an sdist -- bail out
+        return
+
+    for p in range(1, len(parts) + 1):
+        yield Distribution(
+            location, metadata, '-'.join(parts[:p]), '-'.join(parts[p:]),
+            py_version=py_version, precedence=precedence,
+            platform=platform
+        )
+
+
+def unique_values(func):
+    """
+    Wrap a function returning an iterable such that the resulting iterable
+    only ever yields unique items.
+    """
+
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        return unique_everseen(func(*args, **kwargs))
+
+    return wrapper
+
+
+REL = re.compile(r"""<([^>]*\srel\s*=\s*['"]?([^'">]+)[^>]*)>""", re.I)
+# this line is here to fix emacs' cruddy broken syntax highlighting
+
+
+@unique_values
+def find_external_links(url, page):
+    """Find rel="homepage" and rel="download" links in `page`, yielding URLs"""
+
+    for match in REL.finditer(page):
+        tag, rel = match.groups()
+        rels = set(map(str.strip, rel.lower().split(',')))
+        if 'homepage' in rels or 'download' in rels:
+            for match in HREF.finditer(tag):
+                yield urllib.parse.urljoin(url, htmldecode(match.group(1)))
+
+    for tag in ("<th>Home Page", "<th>Download URL"):
+        pos = page.find(tag)
+        if pos != -1:
+            match = HREF.search(page, pos)
+            if match:
+                yield urllib.parse.urljoin(url, htmldecode(match.group(1)))
+
+
+class ContentChecker:
+    """
+    A null content checker that defines the interface for checking content
+    """
+
+    def feed(self, block):
+        """
+        Feed a block of data to the hash.
+        """
+        return
+
+    def is_valid(self):
+        """
+        Check the hash. Return False if validation fails.
+        """
+        return True
+
+    def report(self, reporter, template):
+        """
+        Call reporter with information about the checker (hash name)
+        substituted into the template.
+        """
+        return
+
+
+class HashChecker(ContentChecker):
+    pattern = re.compile(
+        r'(?P<hash_name>sha1|sha224|sha384|sha256|sha512|md5)='
+        r'(?P<expected>[a-f0-9]+)'
+    )
+
+    def __init__(self, hash_name, expected):
+        self.hash_name = hash_name
+        self.hash = hashlib.new(hash_name)
+        self.expected = expected
+
+    @classmethod
+    def from_url(cls, url):
+        "Construct a (possibly null) ContentChecker from a URL"
+        fragment = urllib.parse.urlparse(url)[-1]
+        if not fragment:
+            return ContentChecker()
+        match = cls.pattern.search(fragment)
+        if not match:
+            return ContentChecker()
+        return cls(**match.groupdict())
+
+    def feed(self, block):
+        self.hash.update(block)
+
+    def is_valid(self):
+        return self.hash.hexdigest() == self.expected
+
+    def report(self, reporter, template):
+        msg = template % self.hash_name
+        return reporter(msg)
+
+
+class PackageIndex(Environment):
+    """A distribution index that scans web pages for download URLs"""
+
+    def __init__(
+            self, index_url="https://pypi.org/simple/", hosts=('*',),
+            ca_bundle=None, verify_ssl=True, *args, **kw
+    ):
+        super().__init__(*args, **kw)
+        self.index_url = index_url + "/" [:not index_url.endswith('/')]
+        self.scanned_urls = {}
+        self.fetched_urls = {}
+        self.package_pages = {}
+        self.allows = re.compile('|'.join(map(translate, hosts))).match
+        self.to_scan = []
+        self.opener = urllib.request.urlopen
+
+    def add(self, dist):
+        # ignore invalid versions
+        try:
+            parse_version(dist.version)
+        except Exception:
+            return
+        return super().add(dist)
+
+    # FIXME: 'PackageIndex.process_url' is too complex (14)
+    def process_url(self, url, retrieve=False):  # noqa: C901
+        """Evaluate a URL as a possible download, and maybe retrieve it"""
+        if url in self.scanned_urls and not retrieve:
+            return
+        self.scanned_urls[url] = True
+        if not URL_SCHEME(url):
+            self.process_filename(url)
+            return
+        else:
+            dists = list(distros_for_url(url))
+            if dists:
+                if not self.url_ok(url):
+                    return
+                self.debug("Found link: %s", url)
+
+        if dists or not retrieve or url in self.fetched_urls:
+            list(map(self.add, dists))
+            return  # don't need the actual page
+
+        if not self.url_ok(url):
+            self.fetched_urls[url] = True
+            return
+
+        self.info("Reading %s", url)
+        self.fetched_urls[url] = True  # prevent multiple fetch attempts
+        tmpl = "Download error on %s: %%s -- Some packages may not be found!"
+        f = self.open_url(url, tmpl % url)
+        if f is None:
+            return
+        if isinstance(f, urllib.error.HTTPError) and f.code == 401:
+            self.info("Authentication error: %s" % f.msg)
+        self.fetched_urls[f.url] = True
+        if 'html' not in f.headers.get('content-type', '').lower():
+            f.close()  # not html, we can't process it
+            return
+
+        base = f.url  # handle redirects
+        page = f.read()
+        if not isinstance(page, str):
+            # In Python 3 and got bytes but want str.
+            if isinstance(f, urllib.error.HTTPError):
+                # Errors have no charset, assume latin1:
+                charset = 'latin-1'
+            else:
+                charset = f.headers.get_param('charset') or 'latin-1'
+            page = page.decode(charset, "ignore")
+        f.close()
+        for match in HREF.finditer(page):
+            link = urllib.parse.urljoin(base, htmldecode(match.group(1)))
+            self.process_url(link)
+        if url.startswith(self.index_url) and getattr(f, 'code', None) != 404:
+            page = self.process_index(url, page)
+
+    def process_filename(self, fn, nested=False):
+        # process filenames or directories
+        if not os.path.exists(fn):
+            self.warn("Not found: %s", fn)
+            return
+
+        if os.path.isdir(fn) and not nested:
+            path = os.path.realpath(fn)
+            for item in os.listdir(path):
+                self.process_filename(os.path.join(path, item), True)
+
+        dists = distros_for_filename(fn)
+        if dists:
+            self.debug("Found: %s", fn)
+            list(map(self.add, dists))
+
+    def url_ok(self, url, fatal=False):
+        s = URL_SCHEME(url)
+        is_file = s and s.group(1).lower() == 'file'
+        if is_file or self.allows(urllib.parse.urlparse(url)[1]):
+            return True
+        msg = (
+            "\nNote: Bypassing %s (disallowed host; see "
+            "http://bit.ly/2hrImnY for details).\n")
+        if fatal:
+            raise DistutilsError(msg % url)
+        else:
+            self.warn(msg, url)
+
+    def scan_egg_links(self, search_path):
+        dirs = filter(os.path.isdir, search_path)
+        egg_links = (
+            (path, entry)
+            for path in dirs
+            for entry in os.listdir(path)
+            if entry.endswith('.egg-link')
+        )
+        list(itertools.starmap(self.scan_egg_link, egg_links))
+
+    def scan_egg_link(self, path, entry):
+        with open(os.path.join(path, entry)) as raw_lines:
+            # filter non-empty lines
+            lines = list(filter(None, map(str.strip, raw_lines)))
+
+        if len(lines) != 2:
+            # format is not recognized; punt
+            return
+
+        egg_path, setup_path = lines
+
+        for dist in find_distributions(os.path.join(path, egg_path)):
+            dist.location = os.path.join(path, *lines)
+            dist.precedence = SOURCE_DIST
+            self.add(dist)
+
+    def _scan(self, link):
+        # Process a URL to see if it's for a package page
+        NO_MATCH_SENTINEL = None, None
+        if not link.startswith(self.index_url):
+            return NO_MATCH_SENTINEL
+
+        parts = list(map(
+            urllib.parse.unquote, link[len(self.index_url):].split('/')
+        ))
+        if len(parts) != 2 or '#' in parts[1]:
+            return NO_MATCH_SENTINEL
+
+        # it's a package page, sanitize and index it
+        pkg = safe_name(parts[0])
+        ver = safe_version(parts[1])
+        self.package_pages.setdefault(pkg.lower(), {})[link] = True
+        return to_filename(pkg), to_filename(ver)
+
+    def process_index(self, url, page):
+        """Process the contents of a PyPI page"""
+
+        # process an index page into the package-page index
+        for match in HREF.finditer(page):
+            try:
+                self._scan(urllib.parse.urljoin(url, htmldecode(match.group(1))))
+            except ValueError:
+                pass
+
+        pkg, ver = self._scan(url)  # ensure this page is in the page index
+        if not pkg:
+            return ""  # no sense double-scanning non-package pages
+
+        # process individual package page
+        for new_url in find_external_links(url, page):
+            # Process the found URL
+            base, frag = egg_info_for_url(new_url)
+            if base.endswith('.py') and not frag:
+                if ver:
+                    new_url += '#egg=%s-%s' % (pkg, ver)
+                else:
+                    self.need_version_info(url)
+            self.scan_url(new_url)
+
+        return PYPI_MD5.sub(
+            lambda m: '<a href="%s#md5=%s">%s</a>' % m.group(1, 3, 2), page
+        )
+
+    def need_version_info(self, url):
+        self.scan_all(
+            "Page at %s links to .py file(s) without version info; an index "
+            "scan is required.", url
+        )
+
+    def scan_all(self, msg=None, *args):
+        if self.index_url not in self.fetched_urls:
+            if msg:
+                self.warn(msg, *args)
+            self.info(
+                "Scanning index of all packages (this may take a while)"
+            )
+        self.scan_url(self.index_url)
+
+    def find_packages(self, requirement):
+        self.scan_url(self.index_url + requirement.unsafe_name + '/')
+
+        if not self.package_pages.get(requirement.key):
+            # Fall back to safe version of the name
+            self.scan_url(self.index_url + requirement.project_name + '/')
+
+        if not self.package_pages.get(requirement.key):
+            # We couldn't find the target package, so search the index page too
+            self.not_found_in_index(requirement)
+
+        for url in list(self.package_pages.get(requirement.key, ())):
+            # scan each page that might be related to the desired package
+            self.scan_url(url)
+
+    def obtain(self, requirement, installer=None):
+        self.prescan()
+        self.find_packages(requirement)
+        for dist in self[requirement.key]:
+            if dist in requirement:
+                return dist
+            self.debug("%s does not match %s", requirement, dist)
+        return super(PackageIndex, self).obtain(requirement, installer)
+
+    def check_hash(self, checker, filename, tfp):
+        """
+        checker is a ContentChecker
+        """
+        checker.report(
+            self.debug,
+            "Validating %%s checksum for %s" % filename)
+        if not checker.is_valid():
+            tfp.close()
+            os.unlink(filename)
+            raise DistutilsError(
+                "%s validation failed for %s; "
+                "possible download problem?"
+                % (checker.hash.name, os.path.basename(filename))
+            )
+
+    def add_find_links(self, urls):
+        """Add `urls` to the list that will be prescanned for searches"""
+        for url in urls:
+            if (
+                self.to_scan is None  # if we have already "gone online"
+                or not URL_SCHEME(url)  # or it's a local file/directory
+                or url.startswith('file:')
+                or list(distros_for_url(url))  # or a direct package link
+            ):
+                # then go ahead and process it now
+                self.scan_url(url)
+            else:
+                # otherwise, defer retrieval till later
+                self.to_scan.append(url)
+
+    def prescan(self):
+        """Scan urls scheduled for prescanning (e.g. --find-links)"""
+        if self.to_scan:
+            list(map(self.scan_url, self.to_scan))
+        self.to_scan = None  # from now on, go ahead and process immediately
+
+    def not_found_in_index(self, requirement):
+        if self[requirement.key]:  # we've seen at least one distro
+            meth, msg = self.info, "Couldn't retrieve index page for %r"
+        else:  # no distros seen for this name, might be misspelled
+            meth, msg = (
+                self.warn,
+                "Couldn't find index page for %r (maybe misspelled?)")
+        meth(msg, requirement.unsafe_name)
+        self.scan_all()
+
+    def download(self, spec, tmpdir):
+        """Locate and/or download `spec` to `tmpdir`, returning a local path
+
+        `spec` may be a ``Requirement`` object, or a string containing a URL,
+        an existing local filename, or a project/version requirement spec
+        (i.e. the string form of a ``Requirement`` object).  If it is the URL
+        of a .py file with an unambiguous ``#egg=name-version`` tag (i.e., one
+        that escapes ``-`` as ``_`` throughout), a trivial ``setup.py`` is
+        automatically created alongside the downloaded file.
+
+        If `spec` is a ``Requirement`` object or a string containing a
+        project/version requirement spec, this method returns the location of
+        a matching distribution (possibly after downloading it to `tmpdir`).
+        If `spec` is a locally existing file or directory name, it is simply
+        returned unchanged.  If `spec` is a URL, it is downloaded to a subpath
+        of `tmpdir`, and the local filename is returned.  Various errors may be
+        raised if a problem occurs during downloading.
+        """
+        if not isinstance(spec, Requirement):
+            scheme = URL_SCHEME(spec)
+            if scheme:
+                # It's a url, download it to tmpdir
+                found = self._download_url(scheme.group(1), spec, tmpdir)
+                base, fragment = egg_info_for_url(spec)
+                if base.endswith('.py'):
+                    found = self.gen_setup(found, fragment, tmpdir)
+                return found
+            elif os.path.exists(spec):
+                # Existing file or directory, just return it
+                return spec
+            else:
+                spec = parse_requirement_arg(spec)
+        return getattr(self.fetch_distribution(spec, tmpdir), 'location', None)
+
+    def fetch_distribution(  # noqa: C901  # is too complex (14)  # FIXME
+            self, requirement, tmpdir, force_scan=False, source=False,
+            develop_ok=False, local_index=None):
+        """Obtain a distribution suitable for fulfilling `requirement`
+
+        `requirement` must be a ``pkg_resources.Requirement`` instance.
+        If necessary, or if the `force_scan` flag is set, the requirement is
+        searched for in the (online) package index as well as the locally
+        installed packages.  If a distribution matching `requirement` is found,
+        the returned distribution's ``location`` is the value you would have
+        gotten from calling the ``download()`` method with the matching
+        distribution's URL or filename.  If no matching distribution is found,
+        ``None`` is returned.
+
+        If the `source` flag is set, only source distributions and source
+        checkout links will be considered.  Unless the `develop_ok` flag is
+        set, development and system eggs (i.e., those using the ``.egg-info``
+        format) will be ignored.
+        """
+        # process a Requirement
+        self.info("Searching for %s", requirement)
+        skipped = {}
+        dist = None
+
+        def find(req, env=None):
+            if env is None:
+                env = self
+            # Find a matching distribution; may be called more than once
+
+            for dist in env[req.key]:
+
+                if dist.precedence == DEVELOP_DIST and not develop_ok:
+                    if dist not in skipped:
+                        self.warn(
+                            "Skipping development or system egg: %s", dist,
+                        )
+                        skipped[dist] = 1
+                    continue
+
+                test = (
+                    dist in req
+                    and (dist.precedence <= SOURCE_DIST or not source)
+                )
+                if test:
+                    loc = self.download(dist.location, tmpdir)
+                    dist.download_location = loc
+                    if os.path.exists(dist.download_location):
+                        return dist
+
+        if force_scan:
+            self.prescan()
+            self.find_packages(requirement)
+            dist = find(requirement)
+
+        if not dist and local_index is not None:
+            dist = find(requirement, local_index)
+
+        if dist is None:
+            if self.to_scan is not None:
+                self.prescan()
+            dist = find(requirement)
+
+        if dist is None and not force_scan:
+            self.find_packages(requirement)
+            dist = find(requirement)
+
+        if dist is None:
+            self.warn(
+                "No local packages or working download links found for %s%s",
+                (source and "a source distribution of " or ""),
+                requirement,
+            )
+        else:
+            self.info("Best match: %s", dist)
+            return dist.clone(location=dist.download_location)
+
+    def fetch(self, requirement, tmpdir, force_scan=False, source=False):
+        """Obtain a file suitable for fulfilling `requirement`
+
+        DEPRECATED; use the ``fetch_distribution()`` method now instead.  For
+        backward compatibility, this routine is identical but returns the
+        ``location`` of the downloaded distribution instead of a distribution
+        object.
+        """
+        dist = self.fetch_distribution(requirement, tmpdir, force_scan, source)
+        if dist is not None:
+            return dist.location
+        return None
+
+    def gen_setup(self, filename, fragment, tmpdir):
+        match = EGG_FRAGMENT.match(fragment)
+        dists = match and [
+            d for d in
+            interpret_distro_name(filename, match.group(1), None) if d.version
+        ] or []
+
+        if len(dists) == 1:  # unambiguous ``#egg`` fragment
+            basename = os.path.basename(filename)
+
+            # Make sure the file has been downloaded to the temp dir.
+            if os.path.dirname(filename) != tmpdir:
+                dst = os.path.join(tmpdir, basename)
+                if not (os.path.exists(dst) and os.path.samefile(filename, dst)):
+                    shutil.copy2(filename, dst)
+                    filename = dst
+
+            with open(os.path.join(tmpdir, 'setup.py'), 'w') as file:
+                file.write(
+                    "from setuptools import setup\n"
+                    "setup(name=%r, version=%r, py_modules=[%r])\n"
+                    % (
+                        dists[0].project_name, dists[0].version,
+                        os.path.splitext(basename)[0]
+                    )
+                )
+            return filename
+
+        elif match:
+            raise DistutilsError(
+                "Can't unambiguously interpret project/version identifier %r; "
+                "any dashes in the name or version should be escaped using "
+                "underscores. %r" % (fragment, dists)
+            )
+        else:
+            raise DistutilsError(
+                "Can't process plain .py files without an '#egg=name-version'"
+                " suffix to enable automatic setup script generation."
+            )
+
+    dl_blocksize = 8192
+
+    def _download_to(self, url, filename):
+        self.info("Downloading %s", url)
+        # Download the file
+        fp = None
+        try:
+            checker = HashChecker.from_url(url)
+            fp = self.open_url(url)
+            if isinstance(fp, urllib.error.HTTPError):
+                raise DistutilsError(
+                    "Can't download %s: %s %s" % (url, fp.code, fp.msg)
+                )
+            headers = fp.info()
+            blocknum = 0
+            bs = self.dl_blocksize
+            size = -1
+            if "content-length" in headers:
+                # Some servers return multiple Content-Length headers :(
+                sizes = headers.get_all('Content-Length')
+                size = max(map(int, sizes))
+                self.reporthook(url, filename, blocknum, bs, size)
+            with open(filename, 'wb') as tfp:
+                while True:
+                    block = fp.read(bs)
+                    if block:
+                        checker.feed(block)
+                        tfp.write(block)
+                        blocknum += 1
+                        self.reporthook(url, filename, blocknum, bs, size)
+                    else:
+                        break
+                self.check_hash(checker, filename, tfp)
+            return headers
+        finally:
+            if fp:
+                fp.close()
+
+    def reporthook(self, url, filename, blocknum, blksize, size):
+        pass  # no-op
+
+    # FIXME:
+    def open_url(self, url, warning=None):  # noqa: C901  # is too complex (12)
+        if url.startswith('file:'):
+            return local_open(url)
+        try:
+            return open_with_auth(url, self.opener)
+        except (ValueError, http.client.InvalidURL) as v:
+            msg = ' '.join([str(arg) for arg in v.args])
+            if warning:
+                self.warn(warning, msg)
+            else:
+                raise DistutilsError('%s %s' % (url, msg)) from v
+        except urllib.error.HTTPError as v:
+            return v
+        except urllib.error.URLError as v:
+            if warning:
+                self.warn(warning, v.reason)
+            else:
+                raise DistutilsError("Download error for %s: %s"
+                                     % (url, v.reason)) from v
+        except http.client.BadStatusLine as v:
+            if warning:
+                self.warn(warning, v.line)
+            else:
+                raise DistutilsError(
+                    '%s returned a bad status line. The server might be '
+                    'down, %s' %
+                    (url, v.line)
+                ) from v
+        except (http.client.HTTPException, socket.error) as v:
+            if warning:
+                self.warn(warning, v)
+            else:
+                raise DistutilsError("Download error for %s: %s"
+                                     % (url, v)) from v
+
+    def _download_url(self, scheme, url, tmpdir):
+        # Determine download filename
+        #
+        name, fragment = egg_info_for_url(url)
+        if name:
+            while '..' in name:
+                name = name.replace('..', '.').replace('\\', '_')
+        else:
+            name = "__downloaded__"  # default if URL has no path contents
+
+        if name.endswith('.egg.zip'):
+            name = name[:-4]  # strip the extra .zip before download
+
+        filename = os.path.join(tmpdir, name)
+
+        # Download the file
+        #
+        if scheme == 'svn' or scheme.startswith('svn+'):
+            return self._download_svn(url, filename)
+        elif scheme == 'git' or scheme.startswith('git+'):
+            return self._download_git(url, filename)
+        elif scheme.startswith('hg+'):
+            return self._download_hg(url, filename)
+        elif scheme == 'file':
+            return urllib.request.url2pathname(urllib.parse.urlparse(url)[2])
+        else:
+            self.url_ok(url, True)  # raises error if not allowed
+            return self._attempt_download(url, filename)
+
+    def scan_url(self, url):
+        self.process_url(url, True)
+
+    def _attempt_download(self, url, filename):
+        headers = self._download_to(url, filename)
+        if 'html' in headers.get('content-type', '').lower():
+            return self._download_html(url, headers, filename)
+        else:
+            return filename
+
+    def _download_html(self, url, headers, filename):
+        file = open(filename)
+        for line in file:
+            if line.strip():
+                # Check for a subversion index page
+                if re.search(r'<title>([^- ]+ - )?Revision \d+:', line):
+                    # it's a subversion index page:
+                    file.close()
+                    os.unlink(filename)
+                    return self._download_svn(url, filename)
+                break  # not an index page
+        file.close()
+        os.unlink(filename)
+        raise DistutilsError("Unexpected HTML page found at " + url)
+
+    def _download_svn(self, url, filename):
+        warnings.warn("SVN download support is deprecated", UserWarning)
+        url = url.split('#', 1)[0]  # remove any fragment for svn's sake
+        creds = ''
+        if url.lower().startswith('svn:') and '@' in url:
+            scheme, netloc, path, p, q, f = urllib.parse.urlparse(url)
+            if not netloc and path.startswith('//') and '/' in path[2:]:
+                netloc, path = path[2:].split('/', 1)
+                auth, host = _splituser(netloc)
+                if auth:
+                    if ':' in auth:
+                        user, pw = auth.split(':', 1)
+                        creds = " --username=%s --password=%s" % (user, pw)
+                    else:
+                        creds = " --username=" + auth
+                    netloc = host
+                    parts = scheme, netloc, url, p, q, f
+                    url = urllib.parse.urlunparse(parts)
+        self.info("Doing subversion checkout from %s to %s", url, filename)
+        os.system("svn checkout%s -q %s %s" % (creds, url, filename))
+        return filename
+
+    @staticmethod
+    def _vcs_split_rev_from_url(url, pop_prefix=False):
+        scheme, netloc, path, query, frag = urllib.parse.urlsplit(url)
+
+        scheme = scheme.split('+', 1)[-1]
+
+        # Some fragment identification fails
+        path = path.split('#', 1)[0]
+
+        rev = None
+        if '@' in path:
+            path, rev = path.rsplit('@', 1)
+
+        # Also, discard fragment
+        url = urllib.parse.urlunsplit((scheme, netloc, path, query, ''))
+
+        return url, rev
+
+    def _download_git(self, url, filename):
+        filename = filename.split('#', 1)[0]
+        url, rev = self._vcs_split_rev_from_url(url, pop_prefix=True)
+
+        self.info("Doing git clone from %s to %s", url, filename)
+        os.system("git clone --quiet %s %s" % (url, filename))
+
+        if rev is not None:
+            self.info("Checking out %s", rev)
+            os.system("git -C %s checkout --quiet %s" % (
+                filename,
+                rev,
+            ))
+
+        return filename
+
+    def _download_hg(self, url, filename):
+        filename = filename.split('#', 1)[0]
+        url, rev = self._vcs_split_rev_from_url(url, pop_prefix=True)
+
+        self.info("Doing hg clone from %s to %s", url, filename)
+        os.system("hg clone --quiet %s %s" % (url, filename))
+
+        if rev is not None:
+            self.info("Updating to %s", rev)
+            os.system("hg --cwd %s up -C -r %s -q" % (
+                filename,
+                rev,
+            ))
+
+        return filename
+
+    def debug(self, msg, *args):
+        log.debug(msg, *args)
+
+    def info(self, msg, *args):
+        log.info(msg, *args)
+
+    def warn(self, msg, *args):
+        log.warn(msg, *args)
+
+
+# This pattern matches a character entity reference (a decimal numeric
+# references, a hexadecimal numeric reference, or a named reference).
+entity_sub = re.compile(r'&(#(\d+|x[\da-fA-F]+)|[\w.:-]+);?').sub
+
+
+def decode_entity(match):
+    what = match.group(0)
+    return html.unescape(what)
+
+
+def htmldecode(text):
+    """
+    Decode HTML entities in the given text.
+
+    >>> htmldecode(
+    ...     'https://../package_name-0.1.2.tar.gz'
+    ...     '?tokena=A&amp;tokenb=B">package_name-0.1.2.tar.gz')
+    'https://../package_name-0.1.2.tar.gz?tokena=A&tokenb=B">package_name-0.1.2.tar.gz'
+    """
+    return entity_sub(decode_entity, text)
+
+
+def socket_timeout(timeout=15):
+    def _socket_timeout(func):
+        def _socket_timeout(*args, **kwargs):
+            old_timeout = socket.getdefaulttimeout()
+            socket.setdefaulttimeout(timeout)
+            try:
+                return func(*args, **kwargs)
+            finally:
+                socket.setdefaulttimeout(old_timeout)
+
+        return _socket_timeout
+
+    return _socket_timeout
+
+
+def _encode_auth(auth):
+    """
+    Encode auth from a URL suitable for an HTTP header.
+    >>> str(_encode_auth('username%3Apassword'))
+    'dXNlcm5hbWU6cGFzc3dvcmQ='
+
+    Long auth strings should not cause a newline to be inserted.
+    >>> long_auth = 'username:' + 'password'*10
+    >>> chr(10) in str(_encode_auth(long_auth))
+    False
+    """
+    auth_s = urllib.parse.unquote(auth)
+    # convert to bytes
+    auth_bytes = auth_s.encode()
+    encoded_bytes = base64.b64encode(auth_bytes)
+    # convert back to a string
+    encoded = encoded_bytes.decode()
+    # strip the trailing carriage return
+    return encoded.replace('\n', '')
+
+
+class Credential:
+    """
+    A username/password pair. Use like a namedtuple.
+    """
+
+    def __init__(self, username, password):
+        self.username = username
+        self.password = password
+
+    def __iter__(self):
+        yield self.username
+        yield self.password
+
+    def __str__(self):
+        return '%(username)s:%(password)s' % vars(self)
+
+
+class PyPIConfig(configparser.RawConfigParser):
+    def __init__(self):
+        """
+        Load from ~/.pypirc
+        """
+        defaults = dict.fromkeys(['username', 'password', 'repository'], '')
+        super().__init__(defaults)
+
+        rc = os.path.join(os.path.expanduser('~'), '.pypirc')
+        if os.path.exists(rc):
+            self.read(rc)
+
+    @property
+    def creds_by_repository(self):
+        sections_with_repositories = [
+            section for section in self.sections()
+            if self.get(section, 'repository').strip()
+        ]
+
+        return dict(map(self._get_repo_cred, sections_with_repositories))
+
+    def _get_repo_cred(self, section):
+        repo = self.get(section, 'repository').strip()
+        return repo, Credential(
+            self.get(section, 'username').strip(),
+            self.get(section, 'password').strip(),
+        )
+
+    def find_credential(self, url):
+        """
+        If the URL indicated appears to be a repository defined in this
+        config, return the credential for that repository.
+        """
+        for repository, cred in self.creds_by_repository.items():
+            if url.startswith(repository):
+                return cred
+
+
+def open_with_auth(url, opener=urllib.request.urlopen):
+    """Open a urllib2 request, handling HTTP authentication"""
+
+    parsed = urllib.parse.urlparse(url)
+    scheme, netloc, path, params, query, frag = parsed
+
+    # Double scheme does not raise on macOS as revealed by a
+    # failing test. We would expect "nonnumeric port". Refs #20.
+    if netloc.endswith(':'):
+        raise http.client.InvalidURL("nonnumeric port: ''")
+
+    if scheme in ('http', 'https'):
+        auth, address = _splituser(netloc)
+    else:
+        auth = None
+
+    if not auth:
+        cred = PyPIConfig().find_credential(url)
+        if cred:
+            auth = str(cred)
+            info = cred.username, url
+            log.info('Authenticating as %s for %s (from .pypirc)', *info)
+
+    if auth:
+        auth = "Basic " + _encode_auth(auth)
+        parts = scheme, address, path, params, query, frag
+        new_url = urllib.parse.urlunparse(parts)
+        request = urllib.request.Request(new_url)
+        request.add_header("Authorization", auth)
+    else:
+        request = urllib.request.Request(url)
+
+    request.add_header('User-Agent', user_agent)
+    fp = opener(request)
+
+    if auth:
+        # Put authentication info back into request URL if same host,
+        # so that links found on the page will work
+        s2, h2, path2, param2, query2, frag2 = urllib.parse.urlparse(fp.url)
+        if s2 == scheme and h2 == address:
+            parts = s2, netloc, path2, param2, query2, frag2
+            fp.url = urllib.parse.urlunparse(parts)
+
+    return fp
+
+
+# copy of urllib.parse._splituser from Python 3.8
+def _splituser(host):
+    """splituser('user[:passwd]@host[:port]')
+    --> 'user[:passwd]', 'host[:port]'."""
+    user, delim, host = host.rpartition('@')
+    return (user if delim else None), host
+
+
+# adding a timeout to avoid freezing package_index
+open_with_auth = socket_timeout(_SOCKET_TIMEOUT)(open_with_auth)
+
+
+def fix_sf_url(url):
+    return url  # backward compatibility
+
+
+def local_open(url):
+    """Read a local path, with special support for directories"""
+    scheme, server, path, param, query, frag = urllib.parse.urlparse(url)
+    filename = urllib.request.url2pathname(path)
+    if os.path.isfile(filename):
+        return urllib.request.urlopen(url)
+    elif path.endswith('/') and os.path.isdir(filename):
+        files = []
+        for f in os.listdir(filename):
+            filepath = os.path.join(filename, f)
+            if f == 'index.html':
+                with open(filepath, 'r') as fp:
+                    body = fp.read()
+                break
+            elif os.path.isdir(filepath):
+                f += '/'
+            files.append('<a href="{name}">{name}</a>'.format(name=f))
+        else:
+            tmpl = (
+                "<html><head><title>{url}</title>"
+                "</head><body>{files}</body></html>")
+            body = tmpl.format(url=url, files='\n'.join(files))
+        status, message = 200, "OK"
+    else:
+        status, message, body = 404, "Path not found", "Not found"
+
+    headers = {'content-type': 'text/html'}
+    body_stream = io.StringIO(body)
+    return urllib.error.HTTPError(url, status, message, headers, body_stream)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/py34compat.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/py34compat.py
new file mode 100644
index 00000000..3ad91722
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/py34compat.py
@@ -0,0 +1,13 @@
+import importlib
+
+try:
+    import importlib.util
+except ImportError:
+    pass
+
+
+try:
+    module_from_spec = importlib.util.module_from_spec
+except AttributeError:
+    def module_from_spec(spec):
+        return spec.loader.load_module(spec.name)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/sandbox.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/sandbox.py
new file mode 100644
index 00000000..034fc80d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/sandbox.py
@@ -0,0 +1,530 @@
+import os
+import sys
+import tempfile
+import operator
+import functools
+import itertools
+import re
+import contextlib
+import pickle
+import textwrap
+import builtins
+
+import pkg_resources
+from distutils.errors import DistutilsError
+from pkg_resources import working_set
+
+if sys.platform.startswith('java'):
+    import org.python.modules.posix.PosixModule as _os
+else:
+    _os = sys.modules[os.name]
+try:
+    _file = file
+except NameError:
+    _file = None
+_open = open
+
+
+__all__ = [
+    "AbstractSandbox",
+    "DirectorySandbox",
+    "SandboxViolation",
+    "run_setup",
+]
+
+
+def _execfile(filename, globals, locals=None):
+    """
+    Python 3 implementation of execfile.
+    """
+    mode = 'rb'
+    with open(filename, mode) as stream:
+        script = stream.read()
+    if locals is None:
+        locals = globals
+    code = compile(script, filename, 'exec')
+    exec(code, globals, locals)
+
+
+@contextlib.contextmanager
+def save_argv(repl=None):
+    saved = sys.argv[:]
+    if repl is not None:
+        sys.argv[:] = repl
+    try:
+        yield saved
+    finally:
+        sys.argv[:] = saved
+
+
+@contextlib.contextmanager
+def save_path():
+    saved = sys.path[:]
+    try:
+        yield saved
+    finally:
+        sys.path[:] = saved
+
+
+@contextlib.contextmanager
+def override_temp(replacement):
+    """
+    Monkey-patch tempfile.tempdir with replacement, ensuring it exists
+    """
+    os.makedirs(replacement, exist_ok=True)
+
+    saved = tempfile.tempdir
+
+    tempfile.tempdir = replacement
+
+    try:
+        yield
+    finally:
+        tempfile.tempdir = saved
+
+
+@contextlib.contextmanager
+def pushd(target):
+    saved = os.getcwd()
+    os.chdir(target)
+    try:
+        yield saved
+    finally:
+        os.chdir(saved)
+
+
+class UnpickleableException(Exception):
+    """
+    An exception representing another Exception that could not be pickled.
+    """
+
+    @staticmethod
+    def dump(type, exc):
+        """
+        Always return a dumped (pickled) type and exc. If exc can't be pickled,
+        wrap it in UnpickleableException first.
+        """
+        try:
+            return pickle.dumps(type), pickle.dumps(exc)
+        except Exception:
+            # get UnpickleableException inside the sandbox
+            from setuptools.sandbox import UnpickleableException as cls
+
+            return cls.dump(cls, cls(repr(exc)))
+
+
+class ExceptionSaver:
+    """
+    A Context Manager that will save an exception, serialized, and restore it
+    later.
+    """
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, exc, tb):
+        if not exc:
+            return
+
+        # dump the exception
+        self._saved = UnpickleableException.dump(type, exc)
+        self._tb = tb
+
+        # suppress the exception
+        return True
+
+    def resume(self):
+        "restore and re-raise any exception"
+
+        if '_saved' not in vars(self):
+            return
+
+        type, exc = map(pickle.loads, self._saved)
+        raise exc.with_traceback(self._tb)
+
+
+@contextlib.contextmanager
+def save_modules():
+    """
+    Context in which imported modules are saved.
+
+    Translates exceptions internal to the context into the equivalent exception
+    outside the context.
+    """
+    saved = sys.modules.copy()
+    with ExceptionSaver() as saved_exc:
+        yield saved
+
+    sys.modules.update(saved)
+    # remove any modules imported since
+    del_modules = (
+        mod_name
+        for mod_name in sys.modules
+        if mod_name not in saved
+        # exclude any encodings modules. See #285
+        and not mod_name.startswith('encodings.')
+    )
+    _clear_modules(del_modules)
+
+    saved_exc.resume()
+
+
+def _clear_modules(module_names):
+    for mod_name in list(module_names):
+        del sys.modules[mod_name]
+
+
+@contextlib.contextmanager
+def save_pkg_resources_state():
+    saved = pkg_resources.__getstate__()
+    try:
+        yield saved
+    finally:
+        pkg_resources.__setstate__(saved)
+
+
+@contextlib.contextmanager
+def setup_context(setup_dir):
+    temp_dir = os.path.join(setup_dir, 'temp')
+    with save_pkg_resources_state():
+        with save_modules():
+            with save_path():
+                hide_setuptools()
+                with save_argv():
+                    with override_temp(temp_dir):
+                        with pushd(setup_dir):
+                            # ensure setuptools commands are available
+                            __import__('setuptools')
+                            yield
+
+
+_MODULES_TO_HIDE = {
+    'setuptools',
+    'distutils',
+    'pkg_resources',
+    'Cython',
+    '_distutils_hack',
+}
+
+
+def _needs_hiding(mod_name):
+    """
+    >>> _needs_hiding('setuptools')
+    True
+    >>> _needs_hiding('pkg_resources')
+    True
+    >>> _needs_hiding('setuptools_plugin')
+    False
+    >>> _needs_hiding('setuptools.__init__')
+    True
+    >>> _needs_hiding('distutils')
+    True
+    >>> _needs_hiding('os')
+    False
+    >>> _needs_hiding('Cython')
+    True
+    """
+    base_module = mod_name.split('.', 1)[0]
+    return base_module in _MODULES_TO_HIDE
+
+
+def hide_setuptools():
+    """
+    Remove references to setuptools' modules from sys.modules to allow the
+    invocation to import the most appropriate setuptools. This technique is
+    necessary to avoid issues such as #315 where setuptools upgrading itself
+    would fail to find a function declared in the metadata.
+    """
+    _distutils_hack = sys.modules.get('_distutils_hack', None)
+    if _distutils_hack is not None:
+        _distutils_hack.remove_shim()
+
+    modules = filter(_needs_hiding, sys.modules)
+    _clear_modules(modules)
+
+
+def run_setup(setup_script, args):
+    """Run a distutils setup script, sandboxed in its directory"""
+    setup_dir = os.path.abspath(os.path.dirname(setup_script))
+    with setup_context(setup_dir):
+        try:
+            sys.argv[:] = [setup_script] + list(args)
+            sys.path.insert(0, setup_dir)
+            # reset to include setup dir, w/clean callback list
+            working_set.__init__()
+            working_set.callbacks.append(lambda dist: dist.activate())
+
+            with DirectorySandbox(setup_dir):
+                ns = dict(__file__=setup_script, __name__='__main__')
+                _execfile(setup_script, ns)
+        except SystemExit as v:
+            if v.args and v.args[0]:
+                raise
+            # Normal exit, just return
+
+
+class AbstractSandbox:
+    """Wrap 'os' module and 'open()' builtin for virtualizing setup scripts"""
+
+    _active = False
+
+    def __init__(self):
+        self._attrs = [
+            name
+            for name in dir(_os)
+            if not name.startswith('_') and hasattr(self, name)
+        ]
+
+    def _copy(self, source):
+        for name in self._attrs:
+            setattr(os, name, getattr(source, name))
+
+    def __enter__(self):
+        self._copy(self)
+        if _file:
+            builtins.file = self._file
+        builtins.open = self._open
+        self._active = True
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self._active = False
+        if _file:
+            builtins.file = _file
+        builtins.open = _open
+        self._copy(_os)
+
+    def run(self, func):
+        """Run 'func' under os sandboxing"""
+        with self:
+            return func()
+
+    def _mk_dual_path_wrapper(name):
+        original = getattr(_os, name)
+
+        def wrap(self, src, dst, *args, **kw):
+            if self._active:
+                src, dst = self._remap_pair(name, src, dst, *args, **kw)
+            return original(src, dst, *args, **kw)
+
+        return wrap
+
+    for name in ["rename", "link", "symlink"]:
+        if hasattr(_os, name):
+            locals()[name] = _mk_dual_path_wrapper(name)
+
+    def _mk_single_path_wrapper(name, original=None):
+        original = original or getattr(_os, name)
+
+        def wrap(self, path, *args, **kw):
+            if self._active:
+                path = self._remap_input(name, path, *args, **kw)
+            return original(path, *args, **kw)
+
+        return wrap
+
+    if _file:
+        _file = _mk_single_path_wrapper('file', _file)
+    _open = _mk_single_path_wrapper('open', _open)
+    for name in [
+        "stat",
+        "listdir",
+        "chdir",
+        "open",
+        "chmod",
+        "chown",
+        "mkdir",
+        "remove",
+        "unlink",
+        "rmdir",
+        "utime",
+        "lchown",
+        "chroot",
+        "lstat",
+        "startfile",
+        "mkfifo",
+        "mknod",
+        "pathconf",
+        "access",
+    ]:
+        if hasattr(_os, name):
+            locals()[name] = _mk_single_path_wrapper(name)
+
+    def _mk_single_with_return(name):
+        original = getattr(_os, name)
+
+        def wrap(self, path, *args, **kw):
+            if self._active:
+                path = self._remap_input(name, path, *args, **kw)
+                return self._remap_output(name, original(path, *args, **kw))
+            return original(path, *args, **kw)
+
+        return wrap
+
+    for name in ['readlink', 'tempnam']:
+        if hasattr(_os, name):
+            locals()[name] = _mk_single_with_return(name)
+
+    def _mk_query(name):
+        original = getattr(_os, name)
+
+        def wrap(self, *args, **kw):
+            retval = original(*args, **kw)
+            if self._active:
+                return self._remap_output(name, retval)
+            return retval
+
+        return wrap
+
+    for name in ['getcwd', 'tmpnam']:
+        if hasattr(_os, name):
+            locals()[name] = _mk_query(name)
+
+    def _validate_path(self, path):
+        """Called to remap or validate any path, whether input or output"""
+        return path
+
+    def _remap_input(self, operation, path, *args, **kw):
+        """Called for path inputs"""
+        return self._validate_path(path)
+
+    def _remap_output(self, operation, path):
+        """Called for path outputs"""
+        return self._validate_path(path)
+
+    def _remap_pair(self, operation, src, dst, *args, **kw):
+        """Called for path pairs like rename, link, and symlink operations"""
+        return (
+            self._remap_input(operation + '-from', src, *args, **kw),
+            self._remap_input(operation + '-to', dst, *args, **kw),
+        )
+
+
+if hasattr(os, 'devnull'):
+    _EXCEPTIONS = [os.devnull]
+else:
+    _EXCEPTIONS = []
+
+
+class DirectorySandbox(AbstractSandbox):
+    """Restrict operations to a single subdirectory - pseudo-chroot"""
+
+    write_ops = dict.fromkeys(
+        [
+            "open",
+            "chmod",
+            "chown",
+            "mkdir",
+            "remove",
+            "unlink",
+            "rmdir",
+            "utime",
+            "lchown",
+            "chroot",
+            "mkfifo",
+            "mknod",
+            "tempnam",
+        ]
+    )
+
+    _exception_patterns = []
+    "exempt writing to paths that match the pattern"
+
+    def __init__(self, sandbox, exceptions=_EXCEPTIONS):
+        self._sandbox = os.path.normcase(os.path.realpath(sandbox))
+        self._prefix = os.path.join(self._sandbox, '')
+        self._exceptions = [
+            os.path.normcase(os.path.realpath(path)) for path in exceptions
+        ]
+        AbstractSandbox.__init__(self)
+
+    def _violation(self, operation, *args, **kw):
+        from setuptools.sandbox import SandboxViolation
+
+        raise SandboxViolation(operation, args, kw)
+
+    if _file:
+
+        def _file(self, path, mode='r', *args, **kw):
+            if mode not in ('r', 'rt', 'rb', 'rU', 'U') and not self._ok(path):
+                self._violation("file", path, mode, *args, **kw)
+            return _file(path, mode, *args, **kw)
+
+    def _open(self, path, mode='r', *args, **kw):
+        if mode not in ('r', 'rt', 'rb', 'rU', 'U') and not self._ok(path):
+            self._violation("open", path, mode, *args, **kw)
+        return _open(path, mode, *args, **kw)
+
+    def tmpnam(self):
+        self._violation("tmpnam")
+
+    def _ok(self, path):
+        active = self._active
+        try:
+            self._active = False
+            realpath = os.path.normcase(os.path.realpath(path))
+            return (
+                self._exempted(realpath)
+                or realpath == self._sandbox
+                or realpath.startswith(self._prefix)
+            )
+        finally:
+            self._active = active
+
+    def _exempted(self, filepath):
+        start_matches = (
+            filepath.startswith(exception) for exception in self._exceptions
+        )
+        pattern_matches = (
+            re.match(pattern, filepath) for pattern in self._exception_patterns
+        )
+        candidates = itertools.chain(start_matches, pattern_matches)
+        return any(candidates)
+
+    def _remap_input(self, operation, path, *args, **kw):
+        """Called for path inputs"""
+        if operation in self.write_ops and not self._ok(path):
+            self._violation(operation, os.path.realpath(path), *args, **kw)
+        return path
+
+    def _remap_pair(self, operation, src, dst, *args, **kw):
+        """Called for path pairs like rename, link, and symlink operations"""
+        if not self._ok(src) or not self._ok(dst):
+            self._violation(operation, src, dst, *args, **kw)
+        return (src, dst)
+
+    def open(self, file, flags, mode=0o777, *args, **kw):
+        """Called for low-level os.open()"""
+        if flags & WRITE_FLAGS and not self._ok(file):
+            self._violation("os.open", file, flags, mode, *args, **kw)
+        return _os.open(file, flags, mode, *args, **kw)
+
+
+WRITE_FLAGS = functools.reduce(
+    operator.or_,
+    [
+        getattr(_os, a, 0)
+        for a in "O_WRONLY O_RDWR O_APPEND O_CREAT O_TRUNC O_TEMPORARY".split()
+    ],
+)
+
+
+class SandboxViolation(DistutilsError):
+    """A setup script attempted to modify the filesystem outside the sandbox"""
+
+    tmpl = textwrap.dedent(
+        """
+        SandboxViolation: {cmd}{args!r} {kwargs}
+
+        The package setup script has attempted to modify files on your system
+        that are not within the EasyInstall build area, and has been aborted.
+
+        This package cannot be safely installed by EasyInstall, and may not
+        support alternate installation locations even if you run its setup
+        script by hand.  Please inform the package's author and the EasyInstall
+        maintainers to find out if a fix or workaround is available.
+        """
+    ).lstrip()
+
+    def __str__(self):
+        cmd, args, kwargs = self.args
+        return self.tmpl.format(**locals())
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/script (dev).tmpl b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/script (dev).tmpl
new file mode 100644
index 00000000..39a24b04
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/script (dev).tmpl	
@@ -0,0 +1,6 @@
+# EASY-INSTALL-DEV-SCRIPT: %(spec)r,%(script_name)r
+__requires__ = %(spec)r
+__import__('pkg_resources').require(%(spec)r)
+__file__ = %(dev_path)r
+with open(__file__) as f:
+    exec(compile(f.read(), __file__, 'exec'))
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/script.tmpl b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/script.tmpl
new file mode 100644
index 00000000..ff5efbca
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/script.tmpl
@@ -0,0 +1,3 @@
+# EASY-INSTALL-SCRIPT: %(spec)r,%(script_name)r
+__requires__ = %(spec)r
+__import__('pkg_resources').run_script(%(spec)r, %(script_name)r)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/unicode_utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/unicode_utils.py
new file mode 100644
index 00000000..e84e65e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/unicode_utils.py
@@ -0,0 +1,42 @@
+import unicodedata
+import sys
+
+
+# HFS Plus uses decomposed UTF-8
+def decompose(path):
+    if isinstance(path, str):
+        return unicodedata.normalize('NFD', path)
+    try:
+        path = path.decode('utf-8')
+        path = unicodedata.normalize('NFD', path)
+        path = path.encode('utf-8')
+    except UnicodeError:
+        pass  # Not UTF-8
+    return path
+
+
+def filesys_decode(path):
+    """
+    Ensure that the given path is decoded,
+    NONE when no expected encoding works
+    """
+
+    if isinstance(path, str):
+        return path
+
+    fs_enc = sys.getfilesystemencoding() or 'utf-8'
+    candidates = fs_enc, 'utf-8'
+
+    for enc in candidates:
+        try:
+            return path.decode(enc)
+        except UnicodeDecodeError:
+            continue
+
+
+def try_encode(string, enc):
+    "turn unicode encoding into a functional routine"
+    try:
+        return string.encode(enc)
+    except UnicodeEncodeError:
+        return None
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/version.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/version.py
new file mode 100644
index 00000000..95e18696
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/version.py
@@ -0,0 +1,6 @@
+import pkg_resources
+
+try:
+    __version__ = pkg_resources.get_distribution('setuptools').version
+except Exception:
+    __version__ = 'unknown'
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/wheel.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/wheel.py
new file mode 100644
index 00000000..527ed3b2
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/wheel.py
@@ -0,0 +1,222 @@
+"""Wheels support."""
+
+import email
+import itertools
+import os
+import posixpath
+import re
+import zipfile
+import contextlib
+
+from distutils.util import get_platform
+
+import pkg_resources
+import setuptools
+from pkg_resources import parse_version
+from setuptools.extern.packaging.tags import sys_tags
+from setuptools.extern.packaging.utils import canonicalize_name
+from setuptools.command.egg_info import write_requirements
+from setuptools.archive_util import _unpack_zipfile_obj
+
+
+WHEEL_NAME = re.compile(
+    r"""^(?P<project_name>.+?)-(?P<version>\d.*?)
+    ((-(?P<build>\d.*?))?-(?P<py_version>.+?)-(?P<abi>.+?)-(?P<platform>.+?)
+    )\.whl$""",
+    re.VERBOSE).match
+
+NAMESPACE_PACKAGE_INIT = \
+    "__import__('pkg_resources').declare_namespace(__name__)\n"
+
+
+def unpack(src_dir, dst_dir):
+    '''Move everything under `src_dir` to `dst_dir`, and delete the former.'''
+    for dirpath, dirnames, filenames in os.walk(src_dir):
+        subdir = os.path.relpath(dirpath, src_dir)
+        for f in filenames:
+            src = os.path.join(dirpath, f)
+            dst = os.path.join(dst_dir, subdir, f)
+            os.renames(src, dst)
+        for n, d in reversed(list(enumerate(dirnames))):
+            src = os.path.join(dirpath, d)
+            dst = os.path.join(dst_dir, subdir, d)
+            if not os.path.exists(dst):
+                # Directory does not exist in destination,
+                # rename it and prune it from os.walk list.
+                os.renames(src, dst)
+                del dirnames[n]
+    # Cleanup.
+    for dirpath, dirnames, filenames in os.walk(src_dir, topdown=True):
+        assert not filenames
+        os.rmdir(dirpath)
+
+
+@contextlib.contextmanager
+def disable_info_traces():
+    """
+    Temporarily disable info traces.
+    """
+    from distutils import log
+    saved = log.set_threshold(log.WARN)
+    try:
+        yield
+    finally:
+        log.set_threshold(saved)
+
+
+class Wheel:
+
+    def __init__(self, filename):
+        match = WHEEL_NAME(os.path.basename(filename))
+        if match is None:
+            raise ValueError('invalid wheel name: %r' % filename)
+        self.filename = filename
+        for k, v in match.groupdict().items():
+            setattr(self, k, v)
+
+    def tags(self):
+        '''List tags (py_version, abi, platform) supported by this wheel.'''
+        return itertools.product(
+            self.py_version.split('.'),
+            self.abi.split('.'),
+            self.platform.split('.'),
+        )
+
+    def is_compatible(self):
+        '''Is the wheel is compatible with the current platform?'''
+        supported_tags = set(
+            (t.interpreter, t.abi, t.platform) for t in sys_tags())
+        return next((True for t in self.tags() if t in supported_tags), False)
+
+    def egg_name(self):
+        return pkg_resources.Distribution(
+            project_name=self.project_name, version=self.version,
+            platform=(None if self.platform == 'any' else get_platform()),
+        ).egg_name() + '.egg'
+
+    def get_dist_info(self, zf):
+        # find the correct name of the .dist-info dir in the wheel file
+        for member in zf.namelist():
+            dirname = posixpath.dirname(member)
+            if (dirname.endswith('.dist-info') and
+                    canonicalize_name(dirname).startswith(
+                        canonicalize_name(self.project_name))):
+                return dirname
+        raise ValueError("unsupported wheel format. .dist-info not found")
+
+    def install_as_egg(self, destination_eggdir):
+        '''Install wheel as an egg directory.'''
+        with zipfile.ZipFile(self.filename) as zf:
+            self._install_as_egg(destination_eggdir, zf)
+
+    def _install_as_egg(self, destination_eggdir, zf):
+        dist_basename = '%s-%s' % (self.project_name, self.version)
+        dist_info = self.get_dist_info(zf)
+        dist_data = '%s.data' % dist_basename
+        egg_info = os.path.join(destination_eggdir, 'EGG-INFO')
+
+        self._convert_metadata(zf, destination_eggdir, dist_info, egg_info)
+        self._move_data_entries(destination_eggdir, dist_data)
+        self._fix_namespace_packages(egg_info, destination_eggdir)
+
+    @staticmethod
+    def _convert_metadata(zf, destination_eggdir, dist_info, egg_info):
+        def get_metadata(name):
+            with zf.open(posixpath.join(dist_info, name)) as fp:
+                value = fp.read().decode('utf-8')
+                return email.parser.Parser().parsestr(value)
+
+        wheel_metadata = get_metadata('WHEEL')
+        # Check wheel format version is supported.
+        wheel_version = parse_version(wheel_metadata.get('Wheel-Version'))
+        wheel_v1 = (
+            parse_version('1.0') <= wheel_version < parse_version('2.0dev0')
+        )
+        if not wheel_v1:
+            raise ValueError(
+                'unsupported wheel format version: %s' % wheel_version)
+        # Extract to target directory.
+        _unpack_zipfile_obj(zf, destination_eggdir)
+        # Convert metadata.
+        dist_info = os.path.join(destination_eggdir, dist_info)
+        dist = pkg_resources.Distribution.from_location(
+            destination_eggdir, dist_info,
+            metadata=pkg_resources.PathMetadata(destination_eggdir, dist_info),
+        )
+
+        # Note: Evaluate and strip markers now,
+        # as it's difficult to convert back from the syntax:
+        # foobar; "linux" in sys_platform and extra == 'test'
+        def raw_req(req):
+            req.marker = None
+            return str(req)
+        install_requires = list(map(raw_req, dist.requires()))
+        extras_require = {
+            extra: [
+                req
+                for req in map(raw_req, dist.requires((extra,)))
+                if req not in install_requires
+            ]
+            for extra in dist.extras
+        }
+        os.rename(dist_info, egg_info)
+        os.rename(
+            os.path.join(egg_info, 'METADATA'),
+            os.path.join(egg_info, 'PKG-INFO'),
+        )
+        setup_dist = setuptools.Distribution(
+            attrs=dict(
+                install_requires=install_requires,
+                extras_require=extras_require,
+            ),
+        )
+        with disable_info_traces():
+            write_requirements(
+                setup_dist.get_command_obj('egg_info'),
+                None,
+                os.path.join(egg_info, 'requires.txt'),
+            )
+
+    @staticmethod
+    def _move_data_entries(destination_eggdir, dist_data):
+        """Move data entries to their correct location."""
+        dist_data = os.path.join(destination_eggdir, dist_data)
+        dist_data_scripts = os.path.join(dist_data, 'scripts')
+        if os.path.exists(dist_data_scripts):
+            egg_info_scripts = os.path.join(
+                destination_eggdir, 'EGG-INFO', 'scripts')
+            os.mkdir(egg_info_scripts)
+            for entry in os.listdir(dist_data_scripts):
+                # Remove bytecode, as it's not properly handled
+                # during easy_install scripts install phase.
+                if entry.endswith('.pyc'):
+                    os.unlink(os.path.join(dist_data_scripts, entry))
+                else:
+                    os.rename(
+                        os.path.join(dist_data_scripts, entry),
+                        os.path.join(egg_info_scripts, entry),
+                    )
+            os.rmdir(dist_data_scripts)
+        for subdir in filter(os.path.exists, (
+            os.path.join(dist_data, d)
+            for d in ('data', 'headers', 'purelib', 'platlib')
+        )):
+            unpack(subdir, destination_eggdir)
+        if os.path.exists(dist_data):
+            os.rmdir(dist_data)
+
+    @staticmethod
+    def _fix_namespace_packages(egg_info, destination_eggdir):
+        namespace_packages = os.path.join(
+            egg_info, 'namespace_packages.txt')
+        if os.path.exists(namespace_packages):
+            with open(namespace_packages) as fp:
+                namespace_packages = fp.read().split()
+            for mod in namespace_packages:
+                mod_dir = os.path.join(destination_eggdir, *mod.split('.'))
+                mod_init = os.path.join(mod_dir, '__init__.py')
+                if not os.path.exists(mod_dir):
+                    os.mkdir(mod_dir)
+                if not os.path.exists(mod_init):
+                    with open(mod_init, 'w') as fp:
+                        fp.write(NAMESPACE_PACKAGE_INIT)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/windows_support.py b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/windows_support.py
new file mode 100644
index 00000000..1ca64fbb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/setuptools/windows_support.py
@@ -0,0 +1,29 @@
+import platform
+
+
+def windows_only(func):
+    if platform.system() != 'Windows':
+        return lambda *args, **kwargs: None
+    return func
+
+
+@windows_only
+def hide_file(path):
+    """
+    Set the hidden attribute on a file or directory.
+
+    From http://stackoverflow.com/questions/19622133/
+
+    `path` must be text.
+    """
+    import ctypes
+    __import__('ctypes.wintypes')
+    SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
+    SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
+    SetFileAttributes.restype = ctypes.wintypes.BOOL
+
+    FILE_ATTRIBUTE_HIDDEN = 0x02
+
+    ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
+    if not ret:
+        raise ctypes.WinError()
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/INSTALLER b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/INSTALLER
new file mode 100644
index 00000000..a1b589e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/METADATA b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/METADATA
new file mode 100644
index 00000000..291bed04
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/METADATA
@@ -0,0 +1,114 @@
+Metadata-Version: 2.3
+Name: sqlparse
+Version: 0.5.0
+Summary: A non-validating SQL parser.
+Project-URL: Home, https://github.com/andialbrecht/sqlparse
+Project-URL: Documentation, https://sqlparse.readthedocs.io/
+Project-URL: Release Notes, https://sqlparse.readthedocs.io/en/latest/changes/
+Project-URL: Source, https://github.com/andialbrecht/sqlparse
+Project-URL: Tracker, https://github.com/andialbrecht/sqlparse/issues
+Author-email: Andi Albrecht <albrecht.andi@gmail.com>
+License-File: AUTHORS
+License-File: LICENSE
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: BSD License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: 3.9
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: 3.11
+Classifier: Programming Language :: Python :: 3.12
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Classifier: Topic :: Database
+Classifier: Topic :: Software Development
+Requires-Python: >=3.8
+Provides-Extra: dev
+Requires-Dist: build; extra == 'dev'
+Requires-Dist: hatch; extra == 'dev'
+Provides-Extra: doc
+Requires-Dist: sphinx; extra == 'doc'
+Description-Content-Type: text/x-rst
+
+python-sqlparse - Parse SQL statements
+======================================
+
+|buildstatus|_
+|coverage|_
+|docs|_
+|packageversion|_
+
+.. docincludebegin
+
+sqlparse is a non-validating SQL parser for Python.
+It provides support for parsing, splitting and formatting SQL statements.
+
+The module is compatible with Python 3.8+ and released under the terms of the
+`New BSD license <https://opensource.org/licenses/BSD-3-Clause>`_.
+
+Visit the project page at https://github.com/andialbrecht/sqlparse for
+further information about this project.
+
+
+Quick Start
+-----------
+
+.. code-block:: sh
+
+   $ pip install sqlparse
+
+.. code-block:: python
+
+   >>> import sqlparse
+
+   >>> # Split a string containing two SQL statements:
+   >>> raw = 'select * from foo; select * from bar;'
+   >>> statements = sqlparse.split(raw)
+   >>> statements
+   ['select * from foo;', 'select * from bar;']
+
+   >>> # Format the first statement and print it out:
+   >>> first = statements[0]
+   >>> print(sqlparse.format(first, reindent=True, keyword_case='upper'))
+   SELECT *
+   FROM foo;
+
+   >>> # Parsing a SQL statement:
+   >>> parsed = sqlparse.parse('select * from foo')[0]
+   >>> parsed.tokens
+   [<DML 'select' at 0x7f22c5e15368>, <Whitespace ' ' at 0x7f22c5e153b0>, <Wildcard '*' … ]
+   >>>
+
+Links
+-----
+
+Project page
+   https://github.com/andialbrecht/sqlparse
+
+Bug tracker
+   https://github.com/andialbrecht/sqlparse/issues
+
+Documentation
+   https://sqlparse.readthedocs.io/
+
+Online Demo
+   https://sqlformat.org/
+
+
+sqlparse is licensed under the BSD license.
+
+Parts of the code are based on pygments written by Georg Brandl and others.
+pygments-Homepage: http://pygments.org/
+
+.. |buildstatus| image:: https://github.com/andialbrecht/sqlparse/actions/workflows/python-app.yml/badge.svg
+.. _buildstatus: https://github.com/andialbrecht/sqlparse/actions/workflows/python-app.yml
+.. |coverage| image:: https://codecov.io/gh/andialbrecht/sqlparse/branch/master/graph/badge.svg
+.. _coverage: https://codecov.io/gh/andialbrecht/sqlparse
+.. |docs| image:: https://readthedocs.org/projects/sqlparse/badge/?version=latest
+.. _docs: https://sqlparse.readthedocs.io/en/latest/?badge=latest
+.. |packageversion| image:: https://img.shields.io/pypi/v/sqlparse?color=%2334D058&label=pypi%20package
+.. _packageversion: https://pypi.org/project/sqlparse
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/RECORD b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/RECORD
new file mode 100644
index 00000000..34dff563
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/RECORD
@@ -0,0 +1,50 @@
+../../Scripts/sqlformat.exe,sha256=PDrhZNM3_8YQuMIbc9ikN2YGI_Nx2tSCaWqePsSGrcU,108403
+sqlparse-0.5.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
+sqlparse-0.5.0.dist-info/METADATA,sha256=4Uh7B9q7MZ9NKaReajory3L9XEzSdr3wABGQseqC2Iw,3861
+sqlparse-0.5.0.dist-info/RECORD,,
+sqlparse-0.5.0.dist-info/WHEEL,sha256=as-1oFTWSeWBgyzh0O_qF439xqBe6AbBgt4MfYe5zwY,87
+sqlparse-0.5.0.dist-info/entry_points.txt,sha256=caB1VVIDXYzEjsQD0qpaPl2CfDFIKnRSPpsK88ne_4M,53
+sqlparse-0.5.0.dist-info/licenses/AUTHORS,sha256=HULMecB4jbBOfHuHa-yidfn2Nv138BGZdnWS9XlXy1o,3350
+sqlparse-0.5.0.dist-info/licenses/LICENSE,sha256=wZOCNbgNOekxOOrontw69n4Y7LxA0mZSn6V7Lc5CYxA,1537
+sqlparse/__init__.py,sha256=JSN9dABJ8JoQhEi-pbf8IxbDNGcMaPM7FHnEoxuIMSw,2325
+sqlparse/__main__.py,sha256=1jhVFLHlZs4NUJoAuHvQQKWgykPVTdgeE8V4XB5WQzw,610
+sqlparse/__pycache__/__init__.cpython-311.pyc,,
+sqlparse/__pycache__/__main__.cpython-311.pyc,,
+sqlparse/__pycache__/cli.cpython-311.pyc,,
+sqlparse/__pycache__/exceptions.cpython-311.pyc,,
+sqlparse/__pycache__/formatter.cpython-311.pyc,,
+sqlparse/__pycache__/keywords.cpython-311.pyc,,
+sqlparse/__pycache__/lexer.cpython-311.pyc,,
+sqlparse/__pycache__/sql.cpython-311.pyc,,
+sqlparse/__pycache__/tokens.cpython-311.pyc,,
+sqlparse/__pycache__/utils.cpython-311.pyc,,
+sqlparse/cli.py,sha256=83gHgW0mTQXJbv-ItpAEZaq7-2lvWij0mg2cVmG67KA,5712
+sqlparse/engine/__init__.py,sha256=i9kh0USMjk1bwKPFTn6K0PKC55HOqvnkoxHi1t7YccE,447
+sqlparse/engine/__pycache__/__init__.cpython-311.pyc,,
+sqlparse/engine/__pycache__/filter_stack.cpython-311.pyc,,
+sqlparse/engine/__pycache__/grouping.cpython-311.pyc,,
+sqlparse/engine/__pycache__/statement_splitter.cpython-311.pyc,,
+sqlparse/engine/filter_stack.py,sha256=vj_pGENMLgvkjxTYwLcLCvUDjbLlbJeDsTurB-MxxlM,1370
+sqlparse/engine/grouping.py,sha256=t9z6F1ocnMtBO4uu2v5kU7Wtl9xfJViJ-gkvgo4YZAU,14605
+sqlparse/engine/statement_splitter.py,sha256=uxe195w0InChfMdR07Ln3ZzdX6xbhYXlFUsnDVVIY0Y,4095
+sqlparse/exceptions.py,sha256=QyZ9TKTvzgcmuQ1cJkxAj9SoAw4M02-Bf0CSUNWNDKM,342
+sqlparse/filters/__init__.py,sha256=HSlZIjmJBUwjwQf00KDpok1azKOzFVUWXBNpsVLKZ3Y,1343
+sqlparse/filters/__pycache__/__init__.cpython-311.pyc,,
+sqlparse/filters/__pycache__/aligned_indent.cpython-311.pyc,,
+sqlparse/filters/__pycache__/others.cpython-311.pyc,,
+sqlparse/filters/__pycache__/output.cpython-311.pyc,,
+sqlparse/filters/__pycache__/reindent.cpython-311.pyc,,
+sqlparse/filters/__pycache__/right_margin.cpython-311.pyc,,
+sqlparse/filters/__pycache__/tokens.cpython-311.pyc,,
+sqlparse/filters/aligned_indent.py,sha256=kvN5TVMxovyX6cDnmxF-t-KUz2RnzbQ1fIQzdIxYY2g,5110
+sqlparse/filters/others.py,sha256=P_eGVDPI7sx569g5fbUlijHKv1UuWqcw0CKOkcsLX5Q,5423
+sqlparse/filters/output.py,sha256=OMSalSPvq3s3-r268Tjv-AmtjTNCfhLayWtQFO5oyVE,4001
+sqlparse/filters/reindent.py,sha256=y090sT7Mc44Bw9InKqJ1u_BzUTc81W0L1N-BVLVpq8o,9549
+sqlparse/filters/right_margin.py,sha256=Hil692JB3ZkiMPpPPZcMUiRUjDpmhFiuARUu5_imym8,1543
+sqlparse/filters/tokens.py,sha256=CZwDwMzzOdq0qvTRIIic7w59g54QhwFgM2Op9932Zvk,1553
+sqlparse/formatter.py,sha256=iWDPQhD4JqbiA4jZpK2QBZzEqVACw3bRwdLgPIma4lE,7566
+sqlparse/keywords.py,sha256=s_229y41-3ZPHXo68JgF0PpwXfAMs22Wn-vL8Mwm_Y8,30416
+sqlparse/lexer.py,sha256=IOfwZTxvw0hSfACRA72sbWbwKTkaVSNCzKjR83PTonA,5991
+sqlparse/sql.py,sha256=OUGo6mm7KmBMmy949Huk7CTLV3_hijGOr2I4DldR7H4,20976
+sqlparse/tokens.py,sha256=g9iwZMLGboSuRQUHfVLSddC5dv43PkxJOu4-tkhMs0o,1779
+sqlparse/utils.py,sha256=bKFkat1Ko5wfEIPhD_FvZRMBGG9OJtv9dQLBoZKnboc,3475
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/WHEEL b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/WHEEL
new file mode 100644
index 00000000..8781814d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/WHEEL
@@ -0,0 +1,4 @@
+Wheel-Version: 1.0
+Generator: hatchling 1.22.5
+Root-Is-Purelib: true
+Tag: py3-none-any
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/entry_points.txt b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/entry_points.txt
new file mode 100644
index 00000000..dcba058d
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/entry_points.txt
@@ -0,0 +1,2 @@
+[console_scripts]
+sqlformat = sqlparse.__main__:main
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/licenses/AUTHORS b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/licenses/AUTHORS
new file mode 100644
index 00000000..261b04df
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/licenses/AUTHORS
@@ -0,0 +1,85 @@
+python-sqlparse is written and maintained by Andi Albrecht <albrecht.andi@gmail.com>.
+
+This module contains code (namely the lexer and filter mechanism) from
+the pygments project that was written by Georg Brandl.
+
+This module contains code (Python 2/3 compatibility) from the six
+project: https://bitbucket.org/gutworth/six.
+
+Alphabetical list of contributors:
+* Adam Greenhall <agreenhall@lyft.com>
+* Adam Johnson <me@adamj.eu>
+* Aki Ariga <chezou+github@gmail.com>
+* Alexander Beedie <ayembee@gmail.com>
+* Alexey Malyshev <nostrict@gmail.com>
+* ali-tny <aliteeney@googlemail.com>
+* andrew deryabin <github@djsf.com>
+* Andrew Tipton <andrew.tipton@compareglobalgroup.com>
+* atronah <atronah.ds@gmail.com>
+* casey <casey@cloudera.com>
+* Cauê Beloni <cbeloni@gmail.com>
+* Christian Clauss <cclauss@me.com>
+* circld <circld1@gmail.com>
+* Corey Zumar <corey.zumar@databricks.com>
+* Cristian Orellana <cristiano@groupon.com>
+* Dag Wieers <dag@wieers.com>
+* Daniel Harding <dharding@living180.net>
+* Darik Gamble <darik.gamble@gmail.com>
+* Demetrio92 <Demetrio.Rodriguez.T@gmail.com>
+* Dennis Taylor <dennis.taylor@clio.com>
+* Dvořák Václav <Vaclav.Dvorak@ysoft.com>
+* Erik Cederstrand <erik@adamatics.com>
+* Florian Bauer <florian.bauer@zmdi.com>
+* Fredy Wijaya <fredy.wijaya@gmail.com>
+* Gavin Wahl <gwahl@fusionbox.com>
+* Georg Traar <georg@crate.io>
+* griff <70294474+griffatrasgo@users.noreply.github.com>
+* Hugo van Kemenade <hugovk@users.noreply.github.com>
+* hurcy <cinyoung.hur@gmail.com>
+* Ian Robertson <ian.robertson@capitalone.com>
+* Igor Khrol <igor.khrol@automattic.com>
+* JacekPliszka <Jacek.Pliszka@gmail.com>
+* JavierPan <PeterSandwich@users.noreply.github.com>
+* Jean-Martin Archer <jm@jmartin.ca>
+* Jesús Leganés Combarro "Piranna" <piranna@gmail.com>
+* Johannes Hoff <johshoff@gmail.com>
+* John Bodley <john.bodley@airbnb.com>
+* Jon Dufresne <jon.dufresne@gmail.com>
+* Josh Soref <jsoref@users.noreply.github.com>
+* Kevin Jing Qiu <kevin.jing.qiu@gmail.com>
+* koljonen <koljonen@outlook.com>
+* Likai Liu <liulk@likai.org>
+* Long Le Xich <codenamelxl@users.noreply.github.com>
+* mathilde.oustlant <mathilde.oustlant@ext.cdiscount.com>
+* Michael Schuller <chick@mschuller.net>
+* Mike Amy <cocoade@googlemail.com>
+* mulos <daniel.strackbein@gmail.com>
+* Oleg Broytman <phd@phdru.name>
+* osmnv <80402144+osmnv@users.noreply.github.com>
+* Patrick Schemitz <patrick.schemitz@digitalbriefkasten.de>
+* Pi Delport <pjdelport@gmail.com>
+* Prudhvi Vatala <pvatala@gmail.com>
+* quest <quest@wonky.windwards.net>
+* Robert Nix <com.github@rnix.org>
+* Rocky Meza <rmeza@fusionbox.com>
+* Romain Rigaux <romain.rigaux@gmail.com>
+* Rowan Seymour <rowanseymour@gmail.com>
+* Ryan Wooden <rygwdn@gmail.com>
+* saaj <id@saaj.me>
+* Shen Longxing <shenlongxing2012@gmail.com>
+* Simon Heisterkamp <she@delegate.dk>
+* Sjoerd Job Postmus
+* Soloman Weng <soloman1124@gmail.com>
+* spigwitmer <itgpmc@gmail.com>
+* Tao Wang <twang2218@gmail.com>
+* Tenghuan <tenghuanhe@gmail.com>
+* Tim Graham <timograham@gmail.com>
+* Victor Hahn <info@victor-hahn.de>
+* Victor Uriarte <vmuriart@gmail.com>
+* Ville Skyttä <ville.skytta@iki.fi>
+* vthriller <farreva232@yandex.ru>
+* wayne.wuw <wayne.wuw@alibaba-inc.com>
+* Will Jones <willjones127@gmail.com>
+* William Ivanski <william.ivanski@gmail.com>
+* Yago Riveiro <yago.riveiro@gmail.com>
+* Zi-Xuan Fu <r33s3n6@gmail.com>
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/licenses/LICENSE b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/licenses/LICENSE
new file mode 100644
index 00000000..de414c55
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse-0.5.0.dist-info/licenses/LICENSE
@@ -0,0 +1,25 @@
+Copyright (c) 2016, Andi Albrecht <albrecht.andi@gmail.com>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of the authors nor the names of its contributors may be
+      used to endorse or promote products derived from this software without
+      specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/__init__.py
new file mode 100644
index 00000000..17b4b525
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/__init__.py
@@ -0,0 +1,72 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""Parse SQL statements."""
+
+# Setup namespace
+from sqlparse import sql
+from sqlparse import cli
+from sqlparse import engine
+from sqlparse import tokens
+from sqlparse import filters
+from sqlparse import formatter
+
+
+__version__ = '0.5.0'
+__all__ = ['engine', 'filters', 'formatter', 'sql', 'tokens', 'cli']
+
+
+def parse(sql, encoding=None):
+    """Parse sql and return a list of statements.
+
+    :param sql: A string containing one or more SQL statements.
+    :param encoding: The encoding of the statement (optional).
+    :returns: A tuple of :class:`~sqlparse.sql.Statement` instances.
+    """
+    return tuple(parsestream(sql, encoding))
+
+
+def parsestream(stream, encoding=None):
+    """Parses sql statements from file-like object.
+
+    :param stream: A file-like object.
+    :param encoding: The encoding of the stream contents (optional).
+    :returns: A generator of :class:`~sqlparse.sql.Statement` instances.
+    """
+    stack = engine.FilterStack()
+    stack.enable_grouping()
+    return stack.run(stream, encoding)
+
+
+def format(sql, encoding=None, **options):
+    """Format *sql* according to *options*.
+
+    Available options are documented in :ref:`formatting`.
+
+    In addition to the formatting options this function accepts the
+    keyword "encoding" which determines the encoding of the statement.
+
+    :returns: The formatted SQL statement as string.
+    """
+    stack = engine.FilterStack()
+    options = formatter.validate_options(options)
+    stack = formatter.build_filter_stack(stack, options)
+    stack.postprocess.append(filters.SerializerUnicode())
+    return ''.join(stack.run(sql, encoding))
+
+
+def split(sql, encoding=None, strip_semicolon=False):
+    """Split *sql* into single statements.
+
+    :param sql: A string containing one or more SQL statements.
+    :param encoding: The encoding of the statement (optional).
+    :param strip_semicolon: If True, remove trainling semicolons
+        (default: False).
+    :returns: A list of strings.
+    """
+    stack = engine.FilterStack(strip_semicolon=strip_semicolon)
+    return [str(stmt).strip() for stmt in stack.run(sql, encoding)]
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/__main__.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/__main__.py
new file mode 100644
index 00000000..2bf25132
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/__main__.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""Entrypoint module for `python -m sqlparse`.
+
+Why does this file exist, and why __main__? For more info, read:
+- https://www.python.org/dev/peps/pep-0338/
+- https://docs.python.org/2/using/cmdline.html#cmdoption-m
+- https://docs.python.org/3/using/cmdline.html#cmdoption-m
+"""
+
+import sys
+
+from sqlparse.cli import main
+
+if __name__ == '__main__':
+    sys.exit(main())
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/cli.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/cli.py
new file mode 100644
index 00000000..7a8aacbf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/cli.py
@@ -0,0 +1,196 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""Module that contains the command line app.
+
+Why does this file exist, and why not put this in __main__?
+  You might be tempted to import things from __main__ later, but that will
+  cause problems: the code will get executed twice:
+  - When you run `python -m sqlparse` python will execute
+    ``__main__.py`` as a script. That means there won't be any
+    ``sqlparse.__main__`` in ``sys.modules``.
+  - When you import __main__ it will get executed again (as a module) because
+    there's no ``sqlparse.__main__`` in ``sys.modules``.
+  Also see (1) from http://click.pocoo.org/5/setuptools/#setuptools-integration
+"""
+
+import argparse
+import sys
+from io import TextIOWrapper
+
+import sqlparse
+from sqlparse.exceptions import SQLParseError
+
+
+# TODO: Add CLI Tests
+# TODO: Simplify formatter by using argparse `type` arguments
+def create_parser():
+    _CASE_CHOICES = ['upper', 'lower', 'capitalize']
+
+    parser = argparse.ArgumentParser(
+        prog='sqlformat',
+        description='Format FILE according to OPTIONS. Use "-" as FILE '
+                    'to read from stdin.',
+        usage='%(prog)s  [OPTIONS] FILE, ...',
+    )
+
+    parser.add_argument('filename')
+
+    parser.add_argument(
+        '-o', '--outfile',
+        dest='outfile',
+        metavar='FILE',
+        help='write output to FILE (defaults to stdout)')
+
+    parser.add_argument(
+        '--version',
+        action='version',
+        version=sqlparse.__version__)
+
+    group = parser.add_argument_group('Formatting Options')
+
+    group.add_argument(
+        '-k', '--keywords',
+        metavar='CHOICE',
+        dest='keyword_case',
+        choices=_CASE_CHOICES,
+        help='change case of keywords, CHOICE is one of {}'.format(
+            ', '.join('"{}"'.format(x) for x in _CASE_CHOICES)))
+
+    group.add_argument(
+        '-i', '--identifiers',
+        metavar='CHOICE',
+        dest='identifier_case',
+        choices=_CASE_CHOICES,
+        help='change case of identifiers, CHOICE is one of {}'.format(
+            ', '.join('"{}"'.format(x) for x in _CASE_CHOICES)))
+
+    group.add_argument(
+        '-l', '--language',
+        metavar='LANG',
+        dest='output_format',
+        choices=['python', 'php'],
+        help='output a snippet in programming language LANG, '
+             'choices are "python", "php"')
+
+    group.add_argument(
+        '--strip-comments',
+        dest='strip_comments',
+        action='store_true',
+        default=False,
+        help='remove comments')
+
+    group.add_argument(
+        '-r', '--reindent',
+        dest='reindent',
+        action='store_true',
+        default=False,
+        help='reindent statements')
+
+    group.add_argument(
+        '--indent_width',
+        dest='indent_width',
+        default=2,
+        type=int,
+        help='indentation width (defaults to 2 spaces)')
+
+    group.add_argument(
+        '--indent_after_first',
+        dest='indent_after_first',
+        action='store_true',
+        default=False,
+        help='indent after first line of statement (e.g. SELECT)')
+
+    group.add_argument(
+        '--indent_columns',
+        dest='indent_columns',
+        action='store_true',
+        default=False,
+        help='indent all columns by indent_width instead of keyword length')
+
+    group.add_argument(
+        '-a', '--reindent_aligned',
+        action='store_true',
+        default=False,
+        help='reindent statements to aligned format')
+
+    group.add_argument(
+        '-s', '--use_space_around_operators',
+        action='store_true',
+        default=False,
+        help='place spaces around mathematical operators')
+
+    group.add_argument(
+        '--wrap_after',
+        dest='wrap_after',
+        default=0,
+        type=int,
+        help='Column after which lists should be wrapped')
+
+    group.add_argument(
+        '--comma_first',
+        dest='comma_first',
+        default=False,
+        type=bool,
+        help='Insert linebreak before comma (default False)')
+
+    group.add_argument(
+        '--encoding',
+        dest='encoding',
+        default='utf-8',
+        help='Specify the input encoding (default utf-8)')
+
+    return parser
+
+
+def _error(msg):
+    """Print msg and optionally exit with return code exit_."""
+    sys.stderr.write('[ERROR] {}\n'.format(msg))
+    return 1
+
+
+def main(args=None):
+    parser = create_parser()
+    args = parser.parse_args(args)
+
+    if args.filename == '-':  # read from stdin
+        wrapper = TextIOWrapper(sys.stdin.buffer, encoding=args.encoding)
+        try:
+            data = wrapper.read()
+        finally:
+            wrapper.detach()
+    else:
+        try:
+            with open(args.filename, encoding=args.encoding) as f:
+                data = ''.join(f.readlines())
+        except OSError as e:
+            return _error(
+                'Failed to read {}: {}'.format(args.filename, e))
+
+    close_stream = False
+    if args.outfile:
+        try:
+            stream = open(args.outfile, 'w', encoding=args.encoding)
+            close_stream = True
+        except OSError as e:
+            return _error('Failed to open {}: {}'.format(args.outfile, e))
+    else:
+        stream = sys.stdout
+
+    formatter_opts = vars(args)
+    try:
+        formatter_opts = sqlparse.formatter.validate_options(formatter_opts)
+    except SQLParseError as e:
+        return _error('Invalid options: {}'.format(e))
+
+    s = sqlparse.format(data, **formatter_opts)
+    stream.write(s)
+    stream.flush()
+    if close_stream:
+        stream.close()
+    return 0
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/__init__.py
new file mode 100644
index 00000000..6d54d514
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/__init__.py
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse.engine import grouping
+from sqlparse.engine.filter_stack import FilterStack
+from sqlparse.engine.statement_splitter import StatementSplitter
+
+__all__ = [
+    'grouping',
+    'FilterStack',
+    'StatementSplitter',
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/filter_stack.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/filter_stack.py
new file mode 100644
index 00000000..3feba377
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/filter_stack.py
@@ -0,0 +1,47 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""filter"""
+
+from sqlparse import lexer
+from sqlparse.engine import grouping
+from sqlparse.engine.statement_splitter import StatementSplitter
+from sqlparse.filters import StripTrailingSemicolonFilter
+
+
+class FilterStack:
+    def __init__(self, strip_semicolon=False):
+        self.preprocess = []
+        self.stmtprocess = []
+        self.postprocess = []
+        self._grouping = False
+        if strip_semicolon:
+            self.stmtprocess.append(StripTrailingSemicolonFilter())
+
+    def enable_grouping(self):
+        self._grouping = True
+
+    def run(self, sql, encoding=None):
+        stream = lexer.tokenize(sql, encoding)
+        # Process token stream
+        for filter_ in self.preprocess:
+            stream = filter_.process(stream)
+
+        stream = StatementSplitter().process(stream)
+
+        # Output: Stream processed Statements
+        for stmt in stream:
+            if self._grouping:
+                stmt = grouping.group(stmt)
+
+            for filter_ in self.stmtprocess:
+                filter_.process(stmt)
+
+            for filter_ in self.postprocess:
+                stmt = filter_.process(stmt)
+
+            yield stmt
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/grouping.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/grouping.py
new file mode 100644
index 00000000..926a3c1b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/grouping.py
@@ -0,0 +1,486 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse import sql
+from sqlparse import tokens as T
+from sqlparse.utils import recurse, imt
+
+T_NUMERICAL = (T.Number, T.Number.Integer, T.Number.Float)
+T_STRING = (T.String, T.String.Single, T.String.Symbol)
+T_NAME = (T.Name, T.Name.Placeholder)
+
+
+def _group_matching(tlist, cls):
+    """Groups Tokens that have beginning and end."""
+    opens = []
+    tidx_offset = 0
+    for idx, token in enumerate(list(tlist)):
+        tidx = idx - tidx_offset
+
+        if token.is_whitespace:
+            # ~50% of tokens will be whitespace. Will checking early
+            # for them avoid 3 comparisons, but then add 1 more comparison
+            # for the other ~50% of tokens...
+            continue
+
+        if token.is_group and not isinstance(token, cls):
+            # Check inside previously grouped (i.e. parenthesis) if group
+            # of different type is inside (i.e., case). though ideally  should
+            # should check for all open/close tokens at once to avoid recursion
+            _group_matching(token, cls)
+            continue
+
+        if token.match(*cls.M_OPEN):
+            opens.append(tidx)
+
+        elif token.match(*cls.M_CLOSE):
+            try:
+                open_idx = opens.pop()
+            except IndexError:
+                # this indicates invalid sql and unbalanced tokens.
+                # instead of break, continue in case other "valid" groups exist
+                continue
+            close_idx = tidx
+            tlist.group_tokens(cls, open_idx, close_idx)
+            tidx_offset += close_idx - open_idx
+
+
+def group_brackets(tlist):
+    _group_matching(tlist, sql.SquareBrackets)
+
+
+def group_parenthesis(tlist):
+    _group_matching(tlist, sql.Parenthesis)
+
+
+def group_case(tlist):
+    _group_matching(tlist, sql.Case)
+
+
+def group_if(tlist):
+    _group_matching(tlist, sql.If)
+
+
+def group_for(tlist):
+    _group_matching(tlist, sql.For)
+
+
+def group_begin(tlist):
+    _group_matching(tlist, sql.Begin)
+
+
+def group_typecasts(tlist):
+    def match(token):
+        return token.match(T.Punctuation, '::')
+
+    def valid(token):
+        return token is not None
+
+    def post(tlist, pidx, tidx, nidx):
+        return pidx, nidx
+
+    valid_prev = valid_next = valid
+    _group(tlist, sql.Identifier, match, valid_prev, valid_next, post)
+
+
+def group_tzcasts(tlist):
+    def match(token):
+        return token.ttype == T.Keyword.TZCast
+
+    def valid_prev(token):
+        return token is not None
+
+    def valid_next(token):
+        return token is not None and (
+            token.is_whitespace
+            or token.match(T.Keyword, 'AS')
+            or token.match(*sql.TypedLiteral.M_CLOSE)
+        )
+
+    def post(tlist, pidx, tidx, nidx):
+        return pidx, nidx
+
+    _group(tlist, sql.Identifier, match, valid_prev, valid_next, post)
+
+
+def group_typed_literal(tlist):
+    # definitely not complete, see e.g.:
+    # https://docs.microsoft.com/en-us/sql/odbc/reference/appendixes/interval-literal-syntax
+    # https://docs.microsoft.com/en-us/sql/odbc/reference/appendixes/interval-literals
+    # https://www.postgresql.org/docs/9.1/datatype-datetime.html
+    # https://www.postgresql.org/docs/9.1/functions-datetime.html
+    def match(token):
+        return imt(token, m=sql.TypedLiteral.M_OPEN)
+
+    def match_to_extend(token):
+        return isinstance(token, sql.TypedLiteral)
+
+    def valid_prev(token):
+        return token is not None
+
+    def valid_next(token):
+        return token is not None and token.match(*sql.TypedLiteral.M_CLOSE)
+
+    def valid_final(token):
+        return token is not None and token.match(*sql.TypedLiteral.M_EXTEND)
+
+    def post(tlist, pidx, tidx, nidx):
+        return tidx, nidx
+
+    _group(tlist, sql.TypedLiteral, match, valid_prev, valid_next,
+           post, extend=False)
+    _group(tlist, sql.TypedLiteral, match_to_extend, valid_prev, valid_final,
+           post, extend=True)
+
+
+def group_period(tlist):
+    def match(token):
+        for ttype, value in ((T.Punctuation, '.'),
+                             (T.Operator, '->'),
+                             (T.Operator, '->>')):
+            if token.match(ttype, value):
+                return True
+        return False
+
+    def valid_prev(token):
+        sqlcls = sql.SquareBrackets, sql.Identifier
+        ttypes = T.Name, T.String.Symbol
+        return imt(token, i=sqlcls, t=ttypes)
+
+    def valid_next(token):
+        # issue261, allow invalid next token
+        return True
+
+    def post(tlist, pidx, tidx, nidx):
+        # next_ validation is being performed here. issue261
+        sqlcls = sql.SquareBrackets, sql.Function
+        ttypes = T.Name, T.String.Symbol, T.Wildcard, T.String.Single
+        next_ = tlist[nidx] if nidx is not None else None
+        valid_next = imt(next_, i=sqlcls, t=ttypes)
+
+        return (pidx, nidx) if valid_next else (pidx, tidx)
+
+    _group(tlist, sql.Identifier, match, valid_prev, valid_next, post)
+
+
+def group_as(tlist):
+    def match(token):
+        return token.is_keyword and token.normalized == 'AS'
+
+    def valid_prev(token):
+        return token.normalized == 'NULL' or not token.is_keyword
+
+    def valid_next(token):
+        ttypes = T.DML, T.DDL, T.CTE
+        return not imt(token, t=ttypes) and token is not None
+
+    def post(tlist, pidx, tidx, nidx):
+        return pidx, nidx
+
+    _group(tlist, sql.Identifier, match, valid_prev, valid_next, post)
+
+
+def group_assignment(tlist):
+    def match(token):
+        return token.match(T.Assignment, ':=')
+
+    def valid(token):
+        return token is not None and token.ttype not in (T.Keyword,)
+
+    def post(tlist, pidx, tidx, nidx):
+        m_semicolon = T.Punctuation, ';'
+        snidx, _ = tlist.token_next_by(m=m_semicolon, idx=nidx)
+        nidx = snidx or nidx
+        return pidx, nidx
+
+    valid_prev = valid_next = valid
+    _group(tlist, sql.Assignment, match, valid_prev, valid_next, post)
+
+
+def group_comparison(tlist):
+    sqlcls = (sql.Parenthesis, sql.Function, sql.Identifier,
+              sql.Operation, sql.TypedLiteral)
+    ttypes = T_NUMERICAL + T_STRING + T_NAME
+
+    def match(token):
+        return token.ttype == T.Operator.Comparison
+
+    def valid(token):
+        if imt(token, t=ttypes, i=sqlcls):
+            return True
+        elif token and token.is_keyword and token.normalized == 'NULL':
+            return True
+        else:
+            return False
+
+    def post(tlist, pidx, tidx, nidx):
+        return pidx, nidx
+
+    valid_prev = valid_next = valid
+    _group(tlist, sql.Comparison, match,
+           valid_prev, valid_next, post, extend=False)
+
+
+@recurse(sql.Identifier)
+def group_identifier(tlist):
+    ttypes = (T.String.Symbol, T.Name)
+
+    tidx, token = tlist.token_next_by(t=ttypes)
+    while token:
+        tlist.group_tokens(sql.Identifier, tidx, tidx)
+        tidx, token = tlist.token_next_by(t=ttypes, idx=tidx)
+
+
+@recurse(sql.Over)
+def group_over(tlist):
+    tidx, token = tlist.token_next_by(m=sql.Over.M_OPEN)
+    while token:
+        nidx, next_ = tlist.token_next(tidx)
+        if imt(next_, i=sql.Parenthesis, t=T.Name):
+            tlist.group_tokens(sql.Over, tidx, nidx)
+        tidx, token = tlist.token_next_by(m=sql.Over.M_OPEN, idx=tidx)
+
+
+def group_arrays(tlist):
+    sqlcls = sql.SquareBrackets, sql.Identifier, sql.Function
+    ttypes = T.Name, T.String.Symbol
+
+    def match(token):
+        return isinstance(token, sql.SquareBrackets)
+
+    def valid_prev(token):
+        return imt(token, i=sqlcls, t=ttypes)
+
+    def valid_next(token):
+        return True
+
+    def post(tlist, pidx, tidx, nidx):
+        return pidx, tidx
+
+    _group(tlist, sql.Identifier, match,
+           valid_prev, valid_next, post, extend=True, recurse=False)
+
+
+def group_operator(tlist):
+    ttypes = T_NUMERICAL + T_STRING + T_NAME
+    sqlcls = (sql.SquareBrackets, sql.Parenthesis, sql.Function,
+              sql.Identifier, sql.Operation, sql.TypedLiteral)
+
+    def match(token):
+        return imt(token, t=(T.Operator, T.Wildcard))
+
+    def valid(token):
+        return imt(token, i=sqlcls, t=ttypes) \
+            or (token and token.match(
+                T.Keyword,
+                ('CURRENT_DATE', 'CURRENT_TIME', 'CURRENT_TIMESTAMP')))
+
+    def post(tlist, pidx, tidx, nidx):
+        tlist[tidx].ttype = T.Operator
+        return pidx, nidx
+
+    valid_prev = valid_next = valid
+    _group(tlist, sql.Operation, match,
+           valid_prev, valid_next, post, extend=False)
+
+
+def group_identifier_list(tlist):
+    m_role = T.Keyword, ('null', 'role')
+    sqlcls = (sql.Function, sql.Case, sql.Identifier, sql.Comparison,
+              sql.IdentifierList, sql.Operation)
+    ttypes = (T_NUMERICAL + T_STRING + T_NAME
+              + (T.Keyword, T.Comment, T.Wildcard))
+
+    def match(token):
+        return token.match(T.Punctuation, ',')
+
+    def valid(token):
+        return imt(token, i=sqlcls, m=m_role, t=ttypes)
+
+    def post(tlist, pidx, tidx, nidx):
+        return pidx, nidx
+
+    valid_prev = valid_next = valid
+    _group(tlist, sql.IdentifierList, match,
+           valid_prev, valid_next, post, extend=True)
+
+
+@recurse(sql.Comment)
+def group_comments(tlist):
+    tidx, token = tlist.token_next_by(t=T.Comment)
+    while token:
+        eidx, end = tlist.token_not_matching(
+            lambda tk: imt(tk, t=T.Comment) or tk.is_whitespace, idx=tidx)
+        if end is not None:
+            eidx, end = tlist.token_prev(eidx, skip_ws=False)
+            tlist.group_tokens(sql.Comment, tidx, eidx)
+
+        tidx, token = tlist.token_next_by(t=T.Comment, idx=tidx)
+
+
+@recurse(sql.Where)
+def group_where(tlist):
+    tidx, token = tlist.token_next_by(m=sql.Where.M_OPEN)
+    while token:
+        eidx, end = tlist.token_next_by(m=sql.Where.M_CLOSE, idx=tidx)
+
+        if end is None:
+            end = tlist._groupable_tokens[-1]
+        else:
+            end = tlist.tokens[eidx - 1]
+        # TODO: convert this to eidx instead of end token.
+        # i think above values are len(tlist) and eidx-1
+        eidx = tlist.token_index(end)
+        tlist.group_tokens(sql.Where, tidx, eidx)
+        tidx, token = tlist.token_next_by(m=sql.Where.M_OPEN, idx=tidx)
+
+
+@recurse()
+def group_aliased(tlist):
+    I_ALIAS = (sql.Parenthesis, sql.Function, sql.Case, sql.Identifier,
+               sql.Operation, sql.Comparison)
+
+    tidx, token = tlist.token_next_by(i=I_ALIAS, t=T.Number)
+    while token:
+        nidx, next_ = tlist.token_next(tidx)
+        if isinstance(next_, sql.Identifier):
+            tlist.group_tokens(sql.Identifier, tidx, nidx, extend=True)
+        tidx, token = tlist.token_next_by(i=I_ALIAS, t=T.Number, idx=tidx)
+
+
+@recurse(sql.Function)
+def group_functions(tlist):
+    has_create = False
+    has_table = False
+    has_as = False
+    for tmp_token in tlist.tokens:
+        if tmp_token.value.upper() == 'CREATE':
+            has_create = True
+        if tmp_token.value.upper() == 'TABLE':
+            has_table = True
+        if tmp_token.value == 'AS':
+            has_as = True
+    if has_create and has_table and not has_as:
+        return
+
+    tidx, token = tlist.token_next_by(t=T.Name)
+    while token:
+        nidx, next_ = tlist.token_next(tidx)
+        if isinstance(next_, sql.Parenthesis):
+            over_idx, over = tlist.token_next(nidx)
+            if over and isinstance(over, sql.Over):
+                eidx = over_idx
+            else:
+                eidx = nidx
+            tlist.group_tokens(sql.Function, tidx, eidx)
+        tidx, token = tlist.token_next_by(t=T.Name, idx=tidx)
+
+
+@recurse(sql.Identifier)
+def group_order(tlist):
+    """Group together Identifier and Asc/Desc token"""
+    tidx, token = tlist.token_next_by(t=T.Keyword.Order)
+    while token:
+        pidx, prev_ = tlist.token_prev(tidx)
+        if imt(prev_, i=sql.Identifier, t=T.Number):
+            tlist.group_tokens(sql.Identifier, pidx, tidx)
+            tidx = pidx
+        tidx, token = tlist.token_next_by(t=T.Keyword.Order, idx=tidx)
+
+
+@recurse()
+def align_comments(tlist):
+    tidx, token = tlist.token_next_by(i=sql.Comment)
+    while token:
+        pidx, prev_ = tlist.token_prev(tidx)
+        if isinstance(prev_, sql.TokenList):
+            tlist.group_tokens(sql.TokenList, pidx, tidx, extend=True)
+            tidx = pidx
+        tidx, token = tlist.token_next_by(i=sql.Comment, idx=tidx)
+
+
+def group_values(tlist):
+    tidx, token = tlist.token_next_by(m=(T.Keyword, 'VALUES'))
+    start_idx = tidx
+    end_idx = -1
+    while token:
+        if isinstance(token, sql.Parenthesis):
+            end_idx = tidx
+        tidx, token = tlist.token_next(tidx)
+    if end_idx != -1:
+        tlist.group_tokens(sql.Values, start_idx, end_idx, extend=True)
+
+
+def group(stmt):
+    for func in [
+        group_comments,
+
+        # _group_matching
+        group_brackets,
+        group_parenthesis,
+        group_case,
+        group_if,
+        group_for,
+        group_begin,
+
+        group_over,
+        group_functions,
+        group_where,
+        group_period,
+        group_arrays,
+        group_identifier,
+        group_order,
+        group_typecasts,
+        group_tzcasts,
+        group_typed_literal,
+        group_operator,
+        group_comparison,
+        group_as,
+        group_aliased,
+        group_assignment,
+
+        align_comments,
+        group_identifier_list,
+        group_values,
+    ]:
+        func(stmt)
+    return stmt
+
+
+def _group(tlist, cls, match,
+           valid_prev=lambda t: True,
+           valid_next=lambda t: True,
+           post=None,
+           extend=True,
+           recurse=True
+           ):
+    """Groups together tokens that are joined by a middle token. i.e. x < y"""
+
+    tidx_offset = 0
+    pidx, prev_ = None, None
+    for idx, token in enumerate(list(tlist)):
+        tidx = idx - tidx_offset
+        if tidx < 0:  # tidx shouldn't get negative
+            continue
+
+        if token.is_whitespace:
+            continue
+
+        if recurse and token.is_group and not isinstance(token, cls):
+            _group(token, cls, match, valid_prev, valid_next, post, extend)
+
+        if match(token):
+            nidx, next_ = tlist.token_next(tidx)
+            if prev_ and valid_prev(prev_) and valid_next(next_):
+                from_idx, to_idx = post(tlist, pidx, tidx, nidx)
+                grp = tlist.group_tokens(cls, from_idx, to_idx, extend=extend)
+
+                tidx_offset += to_idx - from_idx
+                pidx, prev_ = from_idx, grp
+                continue
+
+        pidx, prev_ = tidx, token
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/statement_splitter.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/statement_splitter.py
new file mode 100644
index 00000000..5b3a0d9b
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/engine/statement_splitter.py
@@ -0,0 +1,112 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse import sql, tokens as T
+
+
+class StatementSplitter:
+    """Filter that split stream at individual statements"""
+
+    def __init__(self):
+        self._reset()
+
+    def _reset(self):
+        """Set the filter attributes to its default values"""
+        self._in_declare = False
+        self._is_create = False
+        self._begin_depth = 0
+
+        self.consume_ws = False
+        self.tokens = []
+        self.level = 0
+
+    def _change_splitlevel(self, ttype, value):
+        """Get the new split level (increase, decrease or remain equal)"""
+
+        # parenthesis increase/decrease a level
+        if ttype is T.Punctuation and value == '(':
+            return 1
+        elif ttype is T.Punctuation and value == ')':
+            return -1
+        elif ttype not in T.Keyword:  # if normal token return
+            return 0
+
+        # Everything after here is ttype = T.Keyword
+        # Also to note, once entered an If statement you are done and basically
+        # returning
+        unified = value.upper()
+
+        # three keywords begin with CREATE, but only one of them is DDL
+        # DDL Create though can contain more words such as "or replace"
+        if ttype is T.Keyword.DDL and unified.startswith('CREATE'):
+            self._is_create = True
+            return 0
+
+        # can have nested declare inside of being...
+        if unified == 'DECLARE' and self._is_create and self._begin_depth == 0:
+            self._in_declare = True
+            return 1
+
+        if unified == 'BEGIN':
+            self._begin_depth += 1
+            if self._is_create:
+                # FIXME(andi): This makes no sense.  ## this comment neither
+                return 1
+            return 0
+
+        # Should this respect a preceding BEGIN?
+        # In CASE ... WHEN ... END this results in a split level -1.
+        # Would having multiple CASE WHEN END and a Assignment Operator
+        # cause the statement to cut off prematurely?
+        if unified == 'END':
+            self._begin_depth = max(0, self._begin_depth - 1)
+            return -1
+
+        if (unified in ('IF', 'FOR', 'WHILE', 'CASE')
+                and self._is_create and self._begin_depth > 0):
+            return 1
+
+        if unified in ('END IF', 'END FOR', 'END WHILE'):
+            return -1
+
+        # Default
+        return 0
+
+    def process(self, stream):
+        """Process the stream"""
+        EOS_TTYPE = T.Whitespace, T.Comment.Single
+
+        # Run over all stream tokens
+        for ttype, value in stream:
+            # Yield token if we finished a statement and there's no whitespaces
+            # It will count newline token as a non whitespace. In this context
+            # whitespace ignores newlines.
+            # why don't multi line comments also count?
+            if self.consume_ws and ttype not in EOS_TTYPE:
+                yield sql.Statement(self.tokens)
+
+                # Reset filter and prepare to process next statement
+                self._reset()
+
+            # Change current split level (increase, decrease or remain equal)
+            self.level += self._change_splitlevel(ttype, value)
+
+            # Append the token to the current statement
+            self.tokens.append(sql.Token(ttype, value))
+
+            # Check if we get the end of a statement
+            # Issue762: Allow GO (or "GO 2") as statement splitter.
+            # When implementing a language toggle, it's not only to add
+            # keywords it's also to change some rules, like this splitting
+            # rule.
+            if (self.level <= 0 and ttype is T.Punctuation and value == ';') \
+                    or (ttype is T.Keyword and value.split()[0] == 'GO'):
+                self.consume_ws = True
+
+        # Yield pending statement (if any)
+        if self.tokens and not all(t.is_whitespace for t in self.tokens):
+            yield sql.Statement(self.tokens)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/exceptions.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/exceptions.py
new file mode 100644
index 00000000..11285da0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/exceptions.py
@@ -0,0 +1,12 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""Exceptions used in this package."""
+
+
+class SQLParseError(Exception):
+    """Base class for exceptions in this module."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/__init__.py
new file mode 100644
index 00000000..06169460
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/__init__.py
@@ -0,0 +1,42 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse.filters.others import SerializerUnicode
+from sqlparse.filters.others import StripCommentsFilter
+from sqlparse.filters.others import StripWhitespaceFilter
+from sqlparse.filters.others import StripTrailingSemicolonFilter
+from sqlparse.filters.others import SpacesAroundOperatorsFilter
+
+from sqlparse.filters.output import OutputPHPFilter
+from sqlparse.filters.output import OutputPythonFilter
+
+from sqlparse.filters.tokens import KeywordCaseFilter
+from sqlparse.filters.tokens import IdentifierCaseFilter
+from sqlparse.filters.tokens import TruncateStringFilter
+
+from sqlparse.filters.reindent import ReindentFilter
+from sqlparse.filters.right_margin import RightMarginFilter
+from sqlparse.filters.aligned_indent import AlignedIndentFilter
+
+__all__ = [
+    'SerializerUnicode',
+    'StripCommentsFilter',
+    'StripWhitespaceFilter',
+    'StripTrailingSemicolonFilter',
+    'SpacesAroundOperatorsFilter',
+
+    'OutputPHPFilter',
+    'OutputPythonFilter',
+
+    'KeywordCaseFilter',
+    'IdentifierCaseFilter',
+    'TruncateStringFilter',
+
+    'ReindentFilter',
+    'RightMarginFilter',
+    'AlignedIndentFilter',
+]
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/aligned_indent.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/aligned_indent.py
new file mode 100644
index 00000000..dc609263
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/aligned_indent.py
@@ -0,0 +1,135 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse import sql, tokens as T
+from sqlparse.utils import offset, indent
+
+
+class AlignedIndentFilter:
+    join_words = (r'((LEFT\s+|RIGHT\s+|FULL\s+)?'
+                  r'(INNER\s+|OUTER\s+|STRAIGHT\s+)?|'
+                  r'(CROSS\s+|NATURAL\s+)?)?JOIN\b')
+    by_words = r'(GROUP|ORDER)\s+BY\b'
+    split_words = ('FROM',
+                   join_words, 'ON', by_words,
+                   'WHERE', 'AND', 'OR',
+                   'HAVING', 'LIMIT',
+                   'UNION', 'VALUES',
+                   'SET', 'BETWEEN', 'EXCEPT')
+
+    def __init__(self, char=' ', n='\n'):
+        self.n = n
+        self.offset = 0
+        self.indent = 0
+        self.char = char
+        self._max_kwd_len = len('select')
+
+    def nl(self, offset=1):
+        # offset = 1 represent a single space after SELECT
+        offset = -len(offset) if not isinstance(offset, int) else offset
+        # add two for the space and parenthesis
+        indent = self.indent * (2 + self._max_kwd_len)
+
+        return sql.Token(T.Whitespace, self.n + self.char * (
+            self._max_kwd_len + offset + indent + self.offset))
+
+    def _process_statement(self, tlist):
+        if len(tlist.tokens) > 0 and tlist.tokens[0].is_whitespace \
+                and self.indent == 0:
+            tlist.tokens.pop(0)
+
+        # process the main query body
+        self._process(sql.TokenList(tlist.tokens))
+
+    def _process_parenthesis(self, tlist):
+        # if this isn't a subquery, don't re-indent
+        _, token = tlist.token_next_by(m=(T.DML, 'SELECT'))
+        if token is not None:
+            with indent(self):
+                tlist.insert_after(tlist[0], self.nl('SELECT'))
+                # process the inside of the parenthesis
+                self._process_default(tlist)
+
+            # de-indent last parenthesis
+            tlist.insert_before(tlist[-1], self.nl())
+
+    def _process_identifierlist(self, tlist):
+        # columns being selected
+        identifiers = list(tlist.get_identifiers())
+        identifiers.pop(0)
+        [tlist.insert_before(token, self.nl()) for token in identifiers]
+        self._process_default(tlist)
+
+    def _process_case(self, tlist):
+        offset_ = len('case ') + len('when ')
+        cases = tlist.get_cases(skip_ws=True)
+        # align the end as well
+        end_token = tlist.token_next_by(m=(T.Keyword, 'END'))[1]
+        cases.append((None, [end_token]))
+
+        condition_width = [len(' '.join(map(str, cond))) if cond else 0
+                           for cond, _ in cases]
+        max_cond_width = max(condition_width)
+
+        for i, (cond, value) in enumerate(cases):
+            # cond is None when 'else or end'
+            stmt = cond[0] if cond else value[0]
+
+            if i > 0:
+                tlist.insert_before(stmt, self.nl(offset_ - len(str(stmt))))
+            if cond:
+                ws = sql.Token(T.Whitespace, self.char * (
+                    max_cond_width - condition_width[i]))
+                tlist.insert_after(cond[-1], ws)
+
+    def _next_token(self, tlist, idx=-1):
+        split_words = T.Keyword, self.split_words, True
+        tidx, token = tlist.token_next_by(m=split_words, idx=idx)
+        # treat "BETWEEN x and y" as a single statement
+        if token and token.normalized == 'BETWEEN':
+            tidx, token = self._next_token(tlist, tidx)
+            if token and token.normalized == 'AND':
+                tidx, token = self._next_token(tlist, tidx)
+        return tidx, token
+
+    def _split_kwds(self, tlist):
+        tidx, token = self._next_token(tlist)
+        while token:
+            # joins, group/order by are special case. only consider the first
+            # word as aligner
+            if (
+                token.match(T.Keyword, self.join_words, regex=True)
+                or token.match(T.Keyword, self.by_words, regex=True)
+            ):
+                token_indent = token.value.split()[0]
+            else:
+                token_indent = str(token)
+            tlist.insert_before(token, self.nl(token_indent))
+            tidx += 1
+            tidx, token = self._next_token(tlist, tidx)
+
+    def _process_default(self, tlist):
+        self._split_kwds(tlist)
+        # process any sub-sub statements
+        for sgroup in tlist.get_sublists():
+            idx = tlist.token_index(sgroup)
+            pidx, prev_ = tlist.token_prev(idx)
+            # HACK: make "group/order by" work. Longer than max_len.
+            offset_ = 3 if (
+                prev_ and prev_.match(T.Keyword, self.by_words, regex=True)
+            ) else 0
+            with offset(self, offset_):
+                self._process(sgroup)
+
+    def _process(self, tlist):
+        func_name = '_process_{cls}'.format(cls=type(tlist).__name__)
+        func = getattr(self, func_name.lower(), self._process_default)
+        func(tlist)
+
+    def process(self, stmt):
+        self._process(stmt)
+        return stmt
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/others.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/others.py
new file mode 100644
index 00000000..da7c0e79
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/others.py
@@ -0,0 +1,145 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+import re
+
+from sqlparse import sql, tokens as T
+from sqlparse.utils import split_unquoted_newlines
+
+
+class StripCommentsFilter:
+
+    @staticmethod
+    def _process(tlist):
+        def get_next_comment():
+            # TODO(andi) Comment types should be unified, see related issue38
+            return tlist.token_next_by(i=sql.Comment, t=T.Comment)
+
+        def _get_insert_token(token):
+            """Returns either a whitespace or the line breaks from token."""
+            # See issue484 why line breaks should be preserved.
+            # Note: The actual value for a line break is replaced by \n
+            # in SerializerUnicode which will be executed in the
+            # postprocessing state.
+            m = re.search(r'([\r\n]+) *$', token.value)
+            if m is not None:
+                return sql.Token(T.Whitespace.Newline, m.groups()[0])
+            else:
+                return sql.Token(T.Whitespace, ' ')
+
+        tidx, token = get_next_comment()
+        while token:
+            pidx, prev_ = tlist.token_prev(tidx, skip_ws=False)
+            nidx, next_ = tlist.token_next(tidx, skip_ws=False)
+            # Replace by whitespace if prev and next exist and if they're not
+            # whitespaces. This doesn't apply if prev or next is a parenthesis.
+            if (prev_ is None or next_ is None
+                    or prev_.is_whitespace or prev_.match(T.Punctuation, '(')
+                    or next_.is_whitespace or next_.match(T.Punctuation, ')')):
+                # Insert a whitespace to ensure the following SQL produces
+                # a valid SQL (see #425).
+                if prev_ is not None and not prev_.match(T.Punctuation, '('):
+                    tlist.tokens.insert(tidx, _get_insert_token(token))
+                tlist.tokens.remove(token)
+            else:
+                tlist.tokens[tidx] = _get_insert_token(token)
+
+            tidx, token = get_next_comment()
+
+    def process(self, stmt):
+        [self.process(sgroup) for sgroup in stmt.get_sublists()]
+        StripCommentsFilter._process(stmt)
+        return stmt
+
+
+class StripWhitespaceFilter:
+    def _stripws(self, tlist):
+        func_name = '_stripws_{cls}'.format(cls=type(tlist).__name__)
+        func = getattr(self, func_name.lower(), self._stripws_default)
+        func(tlist)
+
+    @staticmethod
+    def _stripws_default(tlist):
+        last_was_ws = False
+        is_first_char = True
+        for token in tlist.tokens:
+            if token.is_whitespace:
+                token.value = '' if last_was_ws or is_first_char else ' '
+            last_was_ws = token.is_whitespace
+            is_first_char = False
+
+    def _stripws_identifierlist(self, tlist):
+        # Removes newlines before commas, see issue140
+        last_nl = None
+        for token in list(tlist.tokens):
+            if last_nl and token.ttype is T.Punctuation and token.value == ',':
+                tlist.tokens.remove(last_nl)
+            last_nl = token if token.is_whitespace else None
+
+            # next_ = tlist.token_next(token, skip_ws=False)
+            # if (next_ and not next_.is_whitespace and
+            #             token.ttype is T.Punctuation and token.value == ','):
+            #     tlist.insert_after(token, sql.Token(T.Whitespace, ' '))
+        return self._stripws_default(tlist)
+
+    def _stripws_parenthesis(self, tlist):
+        while tlist.tokens[1].is_whitespace:
+            tlist.tokens.pop(1)
+        while tlist.tokens[-2].is_whitespace:
+            tlist.tokens.pop(-2)
+        self._stripws_default(tlist)
+
+    def process(self, stmt, depth=0):
+        [self.process(sgroup, depth + 1) for sgroup in stmt.get_sublists()]
+        self._stripws(stmt)
+        if depth == 0 and stmt.tokens and stmt.tokens[-1].is_whitespace:
+            stmt.tokens.pop(-1)
+        return stmt
+
+
+class SpacesAroundOperatorsFilter:
+    @staticmethod
+    def _process(tlist):
+
+        ttypes = (T.Operator, T.Comparison)
+        tidx, token = tlist.token_next_by(t=ttypes)
+        while token:
+            nidx, next_ = tlist.token_next(tidx, skip_ws=False)
+            if next_ and next_.ttype != T.Whitespace:
+                tlist.insert_after(tidx, sql.Token(T.Whitespace, ' '))
+
+            pidx, prev_ = tlist.token_prev(tidx, skip_ws=False)
+            if prev_ and prev_.ttype != T.Whitespace:
+                tlist.insert_before(tidx, sql.Token(T.Whitespace, ' '))
+                tidx += 1  # has to shift since token inserted before it
+
+            # assert tlist.token_index(token) == tidx
+            tidx, token = tlist.token_next_by(t=ttypes, idx=tidx)
+
+    def process(self, stmt):
+        [self.process(sgroup) for sgroup in stmt.get_sublists()]
+        SpacesAroundOperatorsFilter._process(stmt)
+        return stmt
+
+
+class StripTrailingSemicolonFilter:
+
+    def process(self, stmt):
+        while stmt.tokens and (stmt.tokens[-1].is_whitespace
+                               or stmt.tokens[-1].value == ';'):
+            stmt.tokens.pop()
+        return stmt
+
+
+# ---------------------------
+# postprocess
+
+class SerializerUnicode:
+    @staticmethod
+    def process(stmt):
+        lines = split_unquoted_newlines(stmt)
+        return '\n'.join(line.rstrip() for line in lines)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/output.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/output.py
new file mode 100644
index 00000000..253537e0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/output.py
@@ -0,0 +1,122 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse import sql, tokens as T
+
+
+class OutputFilter:
+    varname_prefix = ''
+
+    def __init__(self, varname='sql'):
+        self.varname = self.varname_prefix + varname
+        self.count = 0
+
+    def _process(self, stream, varname, has_nl):
+        raise NotImplementedError
+
+    def process(self, stmt):
+        self.count += 1
+        if self.count > 1:
+            varname = '{f.varname}{f.count}'.format(f=self)
+        else:
+            varname = self.varname
+
+        has_nl = len(str(stmt).strip().splitlines()) > 1
+        stmt.tokens = self._process(stmt.tokens, varname, has_nl)
+        return stmt
+
+
+class OutputPythonFilter(OutputFilter):
+    def _process(self, stream, varname, has_nl):
+        # SQL query assignation to varname
+        if self.count > 1:
+            yield sql.Token(T.Whitespace, '\n')
+        yield sql.Token(T.Name, varname)
+        yield sql.Token(T.Whitespace, ' ')
+        yield sql.Token(T.Operator, '=')
+        yield sql.Token(T.Whitespace, ' ')
+        if has_nl:
+            yield sql.Token(T.Operator, '(')
+        yield sql.Token(T.Text, "'")
+
+        # Print the tokens on the quote
+        for token in stream:
+            # Token is a new line separator
+            if token.is_whitespace and '\n' in token.value:
+                # Close quote and add a new line
+                yield sql.Token(T.Text, " '")
+                yield sql.Token(T.Whitespace, '\n')
+
+                # Quote header on secondary lines
+                yield sql.Token(T.Whitespace, ' ' * (len(varname) + 4))
+                yield sql.Token(T.Text, "'")
+
+                # Indentation
+                after_lb = token.value.split('\n', 1)[1]
+                if after_lb:
+                    yield sql.Token(T.Whitespace, after_lb)
+                continue
+
+            # Token has escape chars
+            elif "'" in token.value:
+                token.value = token.value.replace("'", "\\'")
+
+            # Put the token
+            yield sql.Token(T.Text, token.value)
+
+        # Close quote
+        yield sql.Token(T.Text, "'")
+        if has_nl:
+            yield sql.Token(T.Operator, ')')
+
+
+class OutputPHPFilter(OutputFilter):
+    varname_prefix = '$'
+
+    def _process(self, stream, varname, has_nl):
+        # SQL query assignation to varname (quote header)
+        if self.count > 1:
+            yield sql.Token(T.Whitespace, '\n')
+        yield sql.Token(T.Name, varname)
+        yield sql.Token(T.Whitespace, ' ')
+        if has_nl:
+            yield sql.Token(T.Whitespace, ' ')
+        yield sql.Token(T.Operator, '=')
+        yield sql.Token(T.Whitespace, ' ')
+        yield sql.Token(T.Text, '"')
+
+        # Print the tokens on the quote
+        for token in stream:
+            # Token is a new line separator
+            if token.is_whitespace and '\n' in token.value:
+                # Close quote and add a new line
+                yield sql.Token(T.Text, ' ";')
+                yield sql.Token(T.Whitespace, '\n')
+
+                # Quote header on secondary lines
+                yield sql.Token(T.Name, varname)
+                yield sql.Token(T.Whitespace, ' ')
+                yield sql.Token(T.Operator, '.=')
+                yield sql.Token(T.Whitespace, ' ')
+                yield sql.Token(T.Text, '"')
+
+                # Indentation
+                after_lb = token.value.split('\n', 1)[1]
+                if after_lb:
+                    yield sql.Token(T.Whitespace, after_lb)
+                continue
+
+            # Token has escape chars
+            elif '"' in token.value:
+                token.value = token.value.replace('"', '\\"')
+
+            # Put the token
+            yield sql.Token(T.Text, token.value)
+
+        # Close quote
+        yield sql.Token(T.Text, '"')
+        yield sql.Token(T.Punctuation, ';')
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/reindent.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/reindent.py
new file mode 100644
index 00000000..9fb232f0
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/reindent.py
@@ -0,0 +1,242 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse import sql, tokens as T
+from sqlparse.utils import offset, indent
+
+
+class ReindentFilter:
+    def __init__(self, width=2, char=' ', wrap_after=0, n='\n',
+                 comma_first=False, indent_after_first=False,
+                 indent_columns=False):
+        self.n = n
+        self.width = width
+        self.char = char
+        self.indent = 1 if indent_after_first else 0
+        self.offset = 0
+        self.wrap_after = wrap_after
+        self.comma_first = comma_first
+        self.indent_columns = indent_columns
+        self._curr_stmt = None
+        self._last_stmt = None
+        self._last_func = None
+
+    def _flatten_up_to_token(self, token):
+        """Yields all tokens up to token but excluding current."""
+        if token.is_group:
+            token = next(token.flatten())
+
+        for t in self._curr_stmt.flatten():
+            if t == token:
+                break
+            yield t
+
+    @property
+    def leading_ws(self):
+        return self.offset + self.indent * self.width
+
+    def _get_offset(self, token):
+        raw = ''.join(map(str, self._flatten_up_to_token(token)))
+        line = (raw or '\n').splitlines()[-1]
+        # Now take current offset into account and return relative offset.
+        return len(line) - len(self.char * self.leading_ws)
+
+    def nl(self, offset=0):
+        return sql.Token(
+            T.Whitespace,
+            self.n + self.char * max(0, self.leading_ws + offset))
+
+    def _next_token(self, tlist, idx=-1):
+        split_words = ('FROM', 'STRAIGHT_JOIN$', 'JOIN$', 'AND', 'OR',
+                       'GROUP BY', 'ORDER BY', 'UNION', 'VALUES',
+                       'SET', 'BETWEEN', 'EXCEPT', 'HAVING', 'LIMIT')
+        m_split = T.Keyword, split_words, True
+        tidx, token = tlist.token_next_by(m=m_split, idx=idx)
+
+        if token and token.normalized == 'BETWEEN':
+            tidx, token = self._next_token(tlist, tidx)
+
+            if token and token.normalized == 'AND':
+                tidx, token = self._next_token(tlist, tidx)
+
+        return tidx, token
+
+    def _split_kwds(self, tlist):
+        tidx, token = self._next_token(tlist)
+        while token:
+            pidx, prev_ = tlist.token_prev(tidx, skip_ws=False)
+            uprev = str(prev_)
+
+            if prev_ and prev_.is_whitespace:
+                del tlist.tokens[pidx]
+                tidx -= 1
+
+            if not (uprev.endswith('\n') or uprev.endswith('\r')):
+                tlist.insert_before(tidx, self.nl())
+                tidx += 1
+
+            tidx, token = self._next_token(tlist, tidx)
+
+    def _split_statements(self, tlist):
+        ttypes = T.Keyword.DML, T.Keyword.DDL
+        tidx, token = tlist.token_next_by(t=ttypes)
+        while token:
+            pidx, prev_ = tlist.token_prev(tidx, skip_ws=False)
+            if prev_ and prev_.is_whitespace:
+                del tlist.tokens[pidx]
+                tidx -= 1
+            # only break if it's not the first token
+            if prev_:
+                tlist.insert_before(tidx, self.nl())
+                tidx += 1
+            tidx, token = tlist.token_next_by(t=ttypes, idx=tidx)
+
+    def _process(self, tlist):
+        func_name = '_process_{cls}'.format(cls=type(tlist).__name__)
+        func = getattr(self, func_name.lower(), self._process_default)
+        func(tlist)
+
+    def _process_where(self, tlist):
+        tidx, token = tlist.token_next_by(m=(T.Keyword, 'WHERE'))
+        if not token:
+            return
+        # issue121, errors in statement fixed??
+        tlist.insert_before(tidx, self.nl())
+        with indent(self):
+            self._process_default(tlist)
+
+    def _process_parenthesis(self, tlist):
+        ttypes = T.Keyword.DML, T.Keyword.DDL
+        _, is_dml_dll = tlist.token_next_by(t=ttypes)
+        fidx, first = tlist.token_next_by(m=sql.Parenthesis.M_OPEN)
+        if first is None:
+            return
+
+        with indent(self, 1 if is_dml_dll else 0):
+            tlist.tokens.insert(0, self.nl()) if is_dml_dll else None
+            with offset(self, self._get_offset(first) + 1):
+                self._process_default(tlist, not is_dml_dll)
+
+    def _process_function(self, tlist):
+        self._last_func = tlist[0]
+        self._process_default(tlist)
+
+    def _process_identifierlist(self, tlist):
+        identifiers = list(tlist.get_identifiers())
+        if self.indent_columns:
+            first = next(identifiers[0].flatten())
+            num_offset = 1 if self.char == '\t' else self.width
+        else:
+            first = next(identifiers.pop(0).flatten())
+            num_offset = 1 if self.char == '\t' else self._get_offset(first)
+
+        if not tlist.within(sql.Function) and not tlist.within(sql.Values):
+            with offset(self, num_offset):
+                position = 0
+                for token in identifiers:
+                    # Add 1 for the "," separator
+                    position += len(token.value) + 1
+                    if position > (self.wrap_after - self.offset):
+                        adjust = 0
+                        if self.comma_first:
+                            adjust = -2
+                            _, comma = tlist.token_prev(
+                                tlist.token_index(token))
+                            if comma is None:
+                                continue
+                            token = comma
+                        tlist.insert_before(token, self.nl(offset=adjust))
+                        if self.comma_first:
+                            _, ws = tlist.token_next(
+                                tlist.token_index(token), skip_ws=False)
+                            if (ws is not None
+                                    and ws.ttype is not T.Text.Whitespace):
+                                tlist.insert_after(
+                                    token, sql.Token(T.Whitespace, ' '))
+                        position = 0
+        else:
+            # ensure whitespace
+            for token in tlist:
+                _, next_ws = tlist.token_next(
+                    tlist.token_index(token), skip_ws=False)
+                if token.value == ',' and not next_ws.is_whitespace:
+                    tlist.insert_after(
+                        token, sql.Token(T.Whitespace, ' '))
+
+            end_at = self.offset + sum(len(i.value) + 1 for i in identifiers)
+            adjusted_offset = 0
+            if (self.wrap_after > 0
+                    and end_at > (self.wrap_after - self.offset)
+                    and self._last_func):
+                adjusted_offset = -len(self._last_func.value) - 1
+
+            with offset(self, adjusted_offset), indent(self):
+                if adjusted_offset < 0:
+                    tlist.insert_before(identifiers[0], self.nl())
+                position = 0
+                for token in identifiers:
+                    # Add 1 for the "," separator
+                    position += len(token.value) + 1
+                    if (self.wrap_after > 0
+                            and position > (self.wrap_after - self.offset)):
+                        adjust = 0
+                        tlist.insert_before(token, self.nl(offset=adjust))
+                        position = 0
+        self._process_default(tlist)
+
+    def _process_case(self, tlist):
+        iterable = iter(tlist.get_cases())
+        cond, _ = next(iterable)
+        first = next(cond[0].flatten())
+
+        with offset(self, self._get_offset(tlist[0])):
+            with offset(self, self._get_offset(first)):
+                for cond, value in iterable:
+                    token = value[0] if cond is None else cond[0]
+                    tlist.insert_before(token, self.nl())
+
+                # Line breaks on group level are done. let's add an offset of
+                # len "when ", "then ", "else "
+                with offset(self, len("WHEN ")):
+                    self._process_default(tlist)
+            end_idx, end = tlist.token_next_by(m=sql.Case.M_CLOSE)
+            if end_idx is not None:
+                tlist.insert_before(end_idx, self.nl())
+
+    def _process_values(self, tlist):
+        tlist.insert_before(0, self.nl())
+        tidx, token = tlist.token_next_by(i=sql.Parenthesis)
+        first_token = token
+        while token:
+            ptidx, ptoken = tlist.token_next_by(m=(T.Punctuation, ','),
+                                                idx=tidx)
+            if ptoken:
+                if self.comma_first:
+                    adjust = -2
+                    offset = self._get_offset(first_token) + adjust
+                    tlist.insert_before(ptoken, self.nl(offset))
+                else:
+                    tlist.insert_after(ptoken,
+                                       self.nl(self._get_offset(token)))
+            tidx, token = tlist.token_next_by(i=sql.Parenthesis, idx=tidx)
+
+    def _process_default(self, tlist, stmts=True):
+        self._split_statements(tlist) if stmts else None
+        self._split_kwds(tlist)
+        for sgroup in tlist.get_sublists():
+            self._process(sgroup)
+
+    def process(self, stmt):
+        self._curr_stmt = stmt
+        self._process(stmt)
+
+        if self._last_stmt is not None:
+            nl = '\n' if str(self._last_stmt).endswith('\n') else '\n\n'
+            stmt.tokens.insert(0, sql.Token(T.Whitespace, nl))
+
+        self._last_stmt = stmt
+        return stmt
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/right_margin.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/right_margin.py
new file mode 100644
index 00000000..3e670562
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/right_margin.py
@@ -0,0 +1,48 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+import re
+
+from sqlparse import sql, tokens as T
+
+
+# FIXME: Doesn't work
+class RightMarginFilter:
+    keep_together = (
+        # sql.TypeCast, sql.Identifier, sql.Alias,
+    )
+
+    def __init__(self, width=79):
+        self.width = width
+        self.line = ''
+
+    def _process(self, group, stream):
+        for token in stream:
+            if token.is_whitespace and '\n' in token.value:
+                if token.value.endswith('\n'):
+                    self.line = ''
+                else:
+                    self.line = token.value.splitlines()[-1]
+            elif token.is_group and type(token) not in self.keep_together:
+                token.tokens = self._process(token, token.tokens)
+            else:
+                val = str(token)
+                if len(self.line) + len(val) > self.width:
+                    match = re.search(r'^ +', self.line)
+                    if match is not None:
+                        indent = match.group()
+                    else:
+                        indent = ''
+                    yield sql.Token(T.Whitespace, '\n{}'.format(indent))
+                    self.line = indent
+                self.line += val
+            yield token
+
+    def process(self, group):
+        # return
+        # group.tokens = self._process(group, group.tokens)
+        raise NotImplementedError
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/tokens.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/tokens.py
new file mode 100644
index 00000000..cc00a844
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/filters/tokens.py
@@ -0,0 +1,59 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse import tokens as T
+
+
+class _CaseFilter:
+    ttype = None
+
+    def __init__(self, case=None):
+        case = case or 'upper'
+        self.convert = getattr(str, case)
+
+    def process(self, stream):
+        for ttype, value in stream:
+            if ttype in self.ttype:
+                value = self.convert(value)
+            yield ttype, value
+
+
+class KeywordCaseFilter(_CaseFilter):
+    ttype = T.Keyword
+
+
+class IdentifierCaseFilter(_CaseFilter):
+    ttype = T.Name, T.String.Symbol
+
+    def process(self, stream):
+        for ttype, value in stream:
+            if ttype in self.ttype and value.strip()[0] != '"':
+                value = self.convert(value)
+            yield ttype, value
+
+
+class TruncateStringFilter:
+    def __init__(self, width, char):
+        self.width = width
+        self.char = char
+
+    def process(self, stream):
+        for ttype, value in stream:
+            if ttype != T.Literal.String.Single:
+                yield ttype, value
+                continue
+
+            if value[:2] == "''":
+                inner = value[2:-2]
+                quote = "''"
+            else:
+                inner = value[1:-1]
+                quote = "'"
+
+            if len(inner) > self.width:
+                value = ''.join((quote, inner[:self.width], self.char, quote))
+            yield ttype, value
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/formatter.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/formatter.py
new file mode 100644
index 00000000..1d1871cf
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/formatter.py
@@ -0,0 +1,198 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""SQL formatter"""
+
+from sqlparse import filters
+from sqlparse.exceptions import SQLParseError
+
+
+def validate_options(options):
+    """Validates options."""
+    kwcase = options.get('keyword_case')
+    if kwcase not in [None, 'upper', 'lower', 'capitalize']:
+        raise SQLParseError('Invalid value for keyword_case: '
+                            '{!r}'.format(kwcase))
+
+    idcase = options.get('identifier_case')
+    if idcase not in [None, 'upper', 'lower', 'capitalize']:
+        raise SQLParseError('Invalid value for identifier_case: '
+                            '{!r}'.format(idcase))
+
+    ofrmt = options.get('output_format')
+    if ofrmt not in [None, 'sql', 'python', 'php']:
+        raise SQLParseError('Unknown output format: '
+                            '{!r}'.format(ofrmt))
+
+    strip_comments = options.get('strip_comments', False)
+    if strip_comments not in [True, False]:
+        raise SQLParseError('Invalid value for strip_comments: '
+                            '{!r}'.format(strip_comments))
+
+    space_around_operators = options.get('use_space_around_operators', False)
+    if space_around_operators not in [True, False]:
+        raise SQLParseError('Invalid value for use_space_around_operators: '
+                            '{!r}'.format(space_around_operators))
+
+    strip_ws = options.get('strip_whitespace', False)
+    if strip_ws not in [True, False]:
+        raise SQLParseError('Invalid value for strip_whitespace: '
+                            '{!r}'.format(strip_ws))
+
+    truncate_strings = options.get('truncate_strings')
+    if truncate_strings is not None:
+        try:
+            truncate_strings = int(truncate_strings)
+        except (ValueError, TypeError):
+            raise SQLParseError('Invalid value for truncate_strings: '
+                                '{!r}'.format(truncate_strings))
+        if truncate_strings <= 1:
+            raise SQLParseError('Invalid value for truncate_strings: '
+                                '{!r}'.format(truncate_strings))
+        options['truncate_strings'] = truncate_strings
+        options['truncate_char'] = options.get('truncate_char', '[...]')
+
+    indent_columns = options.get('indent_columns', False)
+    if indent_columns not in [True, False]:
+        raise SQLParseError('Invalid value for indent_columns: '
+                            '{!r}'.format(indent_columns))
+    elif indent_columns:
+        options['reindent'] = True  # enforce reindent
+    options['indent_columns'] = indent_columns
+
+    reindent = options.get('reindent', False)
+    if reindent not in [True, False]:
+        raise SQLParseError('Invalid value for reindent: '
+                            '{!r}'.format(reindent))
+    elif reindent:
+        options['strip_whitespace'] = True
+
+    reindent_aligned = options.get('reindent_aligned', False)
+    if reindent_aligned not in [True, False]:
+        raise SQLParseError('Invalid value for reindent_aligned: '
+                            '{!r}'.format(reindent))
+    elif reindent_aligned:
+        options['strip_whitespace'] = True
+
+    indent_after_first = options.get('indent_after_first', False)
+    if indent_after_first not in [True, False]:
+        raise SQLParseError('Invalid value for indent_after_first: '
+                            '{!r}'.format(indent_after_first))
+    options['indent_after_first'] = indent_after_first
+
+    indent_tabs = options.get('indent_tabs', False)
+    if indent_tabs not in [True, False]:
+        raise SQLParseError('Invalid value for indent_tabs: '
+                            '{!r}'.format(indent_tabs))
+    elif indent_tabs:
+        options['indent_char'] = '\t'
+    else:
+        options['indent_char'] = ' '
+
+    indent_width = options.get('indent_width', 2)
+    try:
+        indent_width = int(indent_width)
+    except (TypeError, ValueError):
+        raise SQLParseError('indent_width requires an integer')
+    if indent_width < 1:
+        raise SQLParseError('indent_width requires a positive integer')
+    options['indent_width'] = indent_width
+
+    wrap_after = options.get('wrap_after', 0)
+    try:
+        wrap_after = int(wrap_after)
+    except (TypeError, ValueError):
+        raise SQLParseError('wrap_after requires an integer')
+    if wrap_after < 0:
+        raise SQLParseError('wrap_after requires a positive integer')
+    options['wrap_after'] = wrap_after
+
+    comma_first = options.get('comma_first', False)
+    if comma_first not in [True, False]:
+        raise SQLParseError('comma_first requires a boolean value')
+    options['comma_first'] = comma_first
+
+    right_margin = options.get('right_margin')
+    if right_margin is not None:
+        try:
+            right_margin = int(right_margin)
+        except (TypeError, ValueError):
+            raise SQLParseError('right_margin requires an integer')
+        if right_margin < 10:
+            raise SQLParseError('right_margin requires an integer > 10')
+    options['right_margin'] = right_margin
+
+    return options
+
+
+def build_filter_stack(stack, options):
+    """Setup and return a filter stack.
+
+    Args:
+      stack: :class:`~sqlparse.filters.FilterStack` instance
+      options: Dictionary with options validated by validate_options.
+    """
+    # Token filter
+    if options.get('keyword_case'):
+        stack.preprocess.append(
+            filters.KeywordCaseFilter(options['keyword_case']))
+
+    if options.get('identifier_case'):
+        stack.preprocess.append(
+            filters.IdentifierCaseFilter(options['identifier_case']))
+
+    if options.get('truncate_strings'):
+        stack.preprocess.append(filters.TruncateStringFilter(
+            width=options['truncate_strings'], char=options['truncate_char']))
+
+    if options.get('use_space_around_operators', False):
+        stack.enable_grouping()
+        stack.stmtprocess.append(filters.SpacesAroundOperatorsFilter())
+
+    # After grouping
+    if options.get('strip_comments'):
+        stack.enable_grouping()
+        stack.stmtprocess.append(filters.StripCommentsFilter())
+
+    if options.get('strip_whitespace') or options.get('reindent'):
+        stack.enable_grouping()
+        stack.stmtprocess.append(filters.StripWhitespaceFilter())
+
+    if options.get('reindent'):
+        stack.enable_grouping()
+        stack.stmtprocess.append(
+            filters.ReindentFilter(
+                char=options['indent_char'],
+                width=options['indent_width'],
+                indent_after_first=options['indent_after_first'],
+                indent_columns=options['indent_columns'],
+                wrap_after=options['wrap_after'],
+                comma_first=options['comma_first']))
+
+    if options.get('reindent_aligned', False):
+        stack.enable_grouping()
+        stack.stmtprocess.append(
+            filters.AlignedIndentFilter(char=options['indent_char']))
+
+    if options.get('right_margin'):
+        stack.enable_grouping()
+        stack.stmtprocess.append(
+            filters.RightMarginFilter(width=options['right_margin']))
+
+    # Serializer
+    if options.get('output_format'):
+        frmt = options['output_format']
+        if frmt.lower() == 'php':
+            fltr = filters.OutputPHPFilter()
+        elif frmt.lower() == 'python':
+            fltr = filters.OutputPythonFilter()
+        else:
+            fltr = None
+        if fltr is not None:
+            stack.postprocess.append(fltr)
+
+    return stack
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/keywords.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/keywords.py
new file mode 100644
index 00000000..3b963557
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/keywords.py
@@ -0,0 +1,1001 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+from sqlparse import tokens
+
+# object() only supports "is" and is useful as a marker
+# use this marker to specify that the given regex in SQL_REGEX
+# shall be processed further through a lookup in the KEYWORDS dictionaries
+PROCESS_AS_KEYWORD = object()
+
+
+SQL_REGEX = [
+    (r'(--|# )\+.*?(\r\n|\r|\n|$)', tokens.Comment.Single.Hint),
+    (r'/\*\+[\s\S]*?\*/', tokens.Comment.Multiline.Hint),
+
+    (r'(--|# ).*?(\r\n|\r|\n|$)', tokens.Comment.Single),
+    (r'/\*[\s\S]*?\*/', tokens.Comment.Multiline),
+
+    (r'(\r\n|\r|\n)', tokens.Newline),
+    (r'\s+?', tokens.Whitespace),
+
+    (r':=', tokens.Assignment),
+    (r'::', tokens.Punctuation),
+
+    (r'\*', tokens.Wildcard),
+
+    (r"`(``|[^`])*`", tokens.Name),
+    (r"´(´´|[^´])*´", tokens.Name),
+    (r'((?<![\w\"\$])\$(?:[_A-ZÀ-Ü]\w*)?\$)[\s\S]*?\1', tokens.Literal),
+
+    (r'\?', tokens.Name.Placeholder),
+    (r'%(\(\w+\))?s', tokens.Name.Placeholder),
+    (r'(?<!\w)[$:?]\w+', tokens.Name.Placeholder),
+
+    (r'\\\w+', tokens.Command),
+
+    # FIXME(andi): VALUES shouldn't be listed here
+    # see https://github.com/andialbrecht/sqlparse/pull/64
+    # AS and IN are special, it may be followed by a parenthesis, but
+    # are never functions, see issue183 and issue507
+    (r'(CASE|IN|VALUES|USING|FROM|AS)\b', tokens.Keyword),
+
+    (r'(@|##|#)[A-ZÀ-Ü]\w+', tokens.Name),
+
+    # see issue #39
+    # Spaces around period `schema . name` are valid identifier
+    # TODO: Spaces before period not implemented
+    (r'[A-ZÀ-Ü]\w*(?=\s*\.)', tokens.Name),  # 'Name'.
+    # FIXME(atronah): never match,
+    # because `re.match` doesn't work with look-behind regexp feature
+    (r'(?<=\.)[A-ZÀ-Ü]\w*', tokens.Name),  # .'Name'
+    (r'[A-ZÀ-Ü]\w*(?=\()', tokens.Name),  # side effect: change kw to func
+    (r'-?0x[\dA-F]+', tokens.Number.Hexadecimal),
+    (r'-?\d+(\.\d+)?E-?\d+', tokens.Number.Float),
+    (r'(?![_A-ZÀ-Ü])-?(\d+(\.\d*)|\.\d+)(?![_A-ZÀ-Ü])',
+     tokens.Number.Float),
+    (r'(?![_A-ZÀ-Ü])-?\d+(?![_A-ZÀ-Ü])', tokens.Number.Integer),
+    (r"'(''|\\'|[^'])*'", tokens.String.Single),
+    # not a real string literal in ANSI SQL:
+    (r'"(""|\\"|[^"])*"', tokens.String.Symbol),
+    (r'(""|".*?[^\\]")', tokens.String.Symbol),
+    # sqlite names can be escaped with [square brackets]. left bracket
+    # cannot be preceded by word character or a right bracket --
+    # otherwise it's probably an array index
+    (r'(?<![\w\])])(\[[^\]\[]+\])', tokens.Name),
+    (r'((LEFT\s+|RIGHT\s+|FULL\s+)?(INNER\s+|OUTER\s+|STRAIGHT\s+)?'
+     r'|(CROSS\s+|NATURAL\s+)?)?JOIN\b', tokens.Keyword),
+    (r'END(\s+IF|\s+LOOP|\s+WHILE)?\b', tokens.Keyword),
+    (r'NOT\s+NULL\b', tokens.Keyword),
+    (r'NULLS\s+(FIRST|LAST)\b', tokens.Keyword),
+    (r'UNION\s+ALL\b', tokens.Keyword),
+    (r'CREATE(\s+OR\s+REPLACE)?\b', tokens.Keyword.DDL),
+    (r'DOUBLE\s+PRECISION\b', tokens.Name.Builtin),
+    (r'GROUP\s+BY\b', tokens.Keyword),
+    (r'ORDER\s+BY\b', tokens.Keyword),
+    (r'PRIMARY\s+KEY\b', tokens.Keyword),
+    (r'HANDLER\s+FOR\b', tokens.Keyword),
+    (r'GO(\s\d+)\b', tokens.Keyword),
+    (r'(LATERAL\s+VIEW\s+)'
+     r'(EXPLODE|INLINE|PARSE_URL_TUPLE|POSEXPLODE|STACK)\b',
+     tokens.Keyword),
+    (r"(AT|WITH')\s+TIME\s+ZONE\s+'[^']+'", tokens.Keyword.TZCast),
+    (r'(NOT\s+)?(LIKE|ILIKE|RLIKE)\b', tokens.Operator.Comparison),
+    (r'(NOT\s+)?(REGEXP)\b', tokens.Operator.Comparison),
+    # Check for keywords, also returns tokens.Name if regex matches
+    # but the match isn't a keyword.
+    (r'\w[$#\w]*', PROCESS_AS_KEYWORD),
+    (r'[;:()\[\],\.]', tokens.Punctuation),
+    # JSON operators
+    (r'(\->>?|#>>?|@>|<@|\?\|?|\?&|\-|#\-)', tokens.Operator),
+    (r'[<>=~!]+', tokens.Operator.Comparison),
+    (r'[+/@#%^&|^-]+', tokens.Operator),
+]
+
+KEYWORDS = {
+    'ABORT': tokens.Keyword,
+    'ABS': tokens.Keyword,
+    'ABSOLUTE': tokens.Keyword,
+    'ACCESS': tokens.Keyword,
+    'ADA': tokens.Keyword,
+    'ADD': tokens.Keyword,
+    'ADMIN': tokens.Keyword,
+    'AFTER': tokens.Keyword,
+    'AGGREGATE': tokens.Keyword,
+    'ALIAS': tokens.Keyword,
+    'ALL': tokens.Keyword,
+    'ALLOCATE': tokens.Keyword,
+    'ANALYSE': tokens.Keyword,
+    'ANALYZE': tokens.Keyword,
+    'ANY': tokens.Keyword,
+    'ARRAYLEN': tokens.Keyword,
+    'ARE': tokens.Keyword,
+    'ASC': tokens.Keyword.Order,
+    'ASENSITIVE': tokens.Keyword,
+    'ASSERTION': tokens.Keyword,
+    'ASSIGNMENT': tokens.Keyword,
+    'ASYMMETRIC': tokens.Keyword,
+    'AT': tokens.Keyword,
+    'ATOMIC': tokens.Keyword,
+    'AUDIT': tokens.Keyword,
+    'AUTHORIZATION': tokens.Keyword,
+    'AUTO_INCREMENT': tokens.Keyword,
+    'AVG': tokens.Keyword,
+
+    'BACKWARD': tokens.Keyword,
+    'BEFORE': tokens.Keyword,
+    'BEGIN': tokens.Keyword,
+    'BETWEEN': tokens.Keyword,
+    'BITVAR': tokens.Keyword,
+    'BIT_LENGTH': tokens.Keyword,
+    'BOTH': tokens.Keyword,
+    'BREADTH': tokens.Keyword,
+
+    # 'C': tokens.Keyword,  # most likely this is an alias
+    'CACHE': tokens.Keyword,
+    'CALL': tokens.Keyword,
+    'CALLED': tokens.Keyword,
+    'CARDINALITY': tokens.Keyword,
+    'CASCADE': tokens.Keyword,
+    'CASCADED': tokens.Keyword,
+    'CAST': tokens.Keyword,
+    'CATALOG': tokens.Keyword,
+    'CATALOG_NAME': tokens.Keyword,
+    'CHAIN': tokens.Keyword,
+    'CHARACTERISTICS': tokens.Keyword,
+    'CHARACTER_LENGTH': tokens.Keyword,
+    'CHARACTER_SET_CATALOG': tokens.Keyword,
+    'CHARACTER_SET_NAME': tokens.Keyword,
+    'CHARACTER_SET_SCHEMA': tokens.Keyword,
+    'CHAR_LENGTH': tokens.Keyword,
+    'CHARSET': tokens.Keyword,
+    'CHECK': tokens.Keyword,
+    'CHECKED': tokens.Keyword,
+    'CHECKPOINT': tokens.Keyword,
+    'CLASS': tokens.Keyword,
+    'CLASS_ORIGIN': tokens.Keyword,
+    'CLOB': tokens.Keyword,
+    'CLOSE': tokens.Keyword,
+    'CLUSTER': tokens.Keyword,
+    'COALESCE': tokens.Keyword,
+    'COBOL': tokens.Keyword,
+    'COLLATE': tokens.Keyword,
+    'COLLATION': tokens.Keyword,
+    'COLLATION_CATALOG': tokens.Keyword,
+    'COLLATION_NAME': tokens.Keyword,
+    'COLLATION_SCHEMA': tokens.Keyword,
+    'COLLECT': tokens.Keyword,
+    'COLUMN': tokens.Keyword,
+    'COLUMN_NAME': tokens.Keyword,
+    'COMPRESS': tokens.Keyword,
+    'COMMAND_FUNCTION': tokens.Keyword,
+    'COMMAND_FUNCTION_CODE': tokens.Keyword,
+    'COMMENT': tokens.Keyword,
+    'COMMIT': tokens.Keyword.DML,
+    'COMMITTED': tokens.Keyword,
+    'COMPLETION': tokens.Keyword,
+    'CONCURRENTLY': tokens.Keyword,
+    'CONDITION_NUMBER': tokens.Keyword,
+    'CONNECT': tokens.Keyword,
+    'CONNECTION': tokens.Keyword,
+    'CONNECTION_NAME': tokens.Keyword,
+    'CONSTRAINT': tokens.Keyword,
+    'CONSTRAINTS': tokens.Keyword,
+    'CONSTRAINT_CATALOG': tokens.Keyword,
+    'CONSTRAINT_NAME': tokens.Keyword,
+    'CONSTRAINT_SCHEMA': tokens.Keyword,
+    'CONSTRUCTOR': tokens.Keyword,
+    'CONTAINS': tokens.Keyword,
+    'CONTINUE': tokens.Keyword,
+    'CONVERSION': tokens.Keyword,
+    'CONVERT': tokens.Keyword,
+    'COPY': tokens.Keyword,
+    'CORRESPONDING': tokens.Keyword,
+    'COUNT': tokens.Keyword,
+    'CREATEDB': tokens.Keyword,
+    'CREATEUSER': tokens.Keyword,
+    'CROSS': tokens.Keyword,
+    'CUBE': tokens.Keyword,
+    'CURRENT': tokens.Keyword,
+    'CURRENT_DATE': tokens.Keyword,
+    'CURRENT_PATH': tokens.Keyword,
+    'CURRENT_ROLE': tokens.Keyword,
+    'CURRENT_TIME': tokens.Keyword,
+    'CURRENT_TIMESTAMP': tokens.Keyword,
+    'CURRENT_USER': tokens.Keyword,
+    'CURSOR': tokens.Keyword,
+    'CURSOR_NAME': tokens.Keyword,
+    'CYCLE': tokens.Keyword,
+
+    'DATA': tokens.Keyword,
+    'DATABASE': tokens.Keyword,
+    'DATETIME_INTERVAL_CODE': tokens.Keyword,
+    'DATETIME_INTERVAL_PRECISION': tokens.Keyword,
+    'DAY': tokens.Keyword,
+    'DEALLOCATE': tokens.Keyword,
+    'DECLARE': tokens.Keyword,
+    'DEFAULT': tokens.Keyword,
+    'DEFAULTS': tokens.Keyword,
+    'DEFERRABLE': tokens.Keyword,
+    'DEFERRED': tokens.Keyword,
+    'DEFINED': tokens.Keyword,
+    'DEFINER': tokens.Keyword,
+    'DELIMITER': tokens.Keyword,
+    'DELIMITERS': tokens.Keyword,
+    'DEREF': tokens.Keyword,
+    'DESC': tokens.Keyword.Order,
+    'DESCRIBE': tokens.Keyword,
+    'DESCRIPTOR': tokens.Keyword,
+    'DESTROY': tokens.Keyword,
+    'DESTRUCTOR': tokens.Keyword,
+    'DETERMINISTIC': tokens.Keyword,
+    'DIAGNOSTICS': tokens.Keyword,
+    'DICTIONARY': tokens.Keyword,
+    'DISABLE': tokens.Keyword,
+    'DISCONNECT': tokens.Keyword,
+    'DISPATCH': tokens.Keyword,
+    'DIV': tokens.Operator,
+    'DO': tokens.Keyword,
+    'DOMAIN': tokens.Keyword,
+    'DYNAMIC': tokens.Keyword,
+    'DYNAMIC_FUNCTION': tokens.Keyword,
+    'DYNAMIC_FUNCTION_CODE': tokens.Keyword,
+
+    'EACH': tokens.Keyword,
+    'ENABLE': tokens.Keyword,
+    'ENCODING': tokens.Keyword,
+    'ENCRYPTED': tokens.Keyword,
+    'END-EXEC': tokens.Keyword,
+    'ENGINE': tokens.Keyword,
+    'EQUALS': tokens.Keyword,
+    'ESCAPE': tokens.Keyword,
+    'EVERY': tokens.Keyword,
+    'EXCEPT': tokens.Keyword,
+    'EXCEPTION': tokens.Keyword,
+    'EXCLUDING': tokens.Keyword,
+    'EXCLUSIVE': tokens.Keyword,
+    'EXEC': tokens.Keyword,
+    'EXECUTE': tokens.Keyword,
+    'EXISTING': tokens.Keyword,
+    'EXISTS': tokens.Keyword,
+    'EXPLAIN': tokens.Keyword,
+    'EXTERNAL': tokens.Keyword,
+    'EXTRACT': tokens.Keyword,
+
+    'FALSE': tokens.Keyword,
+    'FETCH': tokens.Keyword,
+    'FILE': tokens.Keyword,
+    'FINAL': tokens.Keyword,
+    'FIRST': tokens.Keyword,
+    'FORCE': tokens.Keyword,
+    'FOREACH': tokens.Keyword,
+    'FOREIGN': tokens.Keyword,
+    'FORTRAN': tokens.Keyword,
+    'FORWARD': tokens.Keyword,
+    'FOUND': tokens.Keyword,
+    'FREE': tokens.Keyword,
+    'FREEZE': tokens.Keyword,
+    'FULL': tokens.Keyword,
+    'FUNCTION': tokens.Keyword,
+
+    # 'G': tokens.Keyword,
+    'GENERAL': tokens.Keyword,
+    'GENERATED': tokens.Keyword,
+    'GET': tokens.Keyword,
+    'GLOBAL': tokens.Keyword,
+    'GO': tokens.Keyword,
+    'GOTO': tokens.Keyword,
+    'GRANTED': tokens.Keyword,
+    'GROUPING': tokens.Keyword,
+
+    'HAVING': tokens.Keyword,
+    'HIERARCHY': tokens.Keyword,
+    'HOLD': tokens.Keyword,
+    'HOUR': tokens.Keyword,
+    'HOST': tokens.Keyword,
+
+    'IDENTIFIED': tokens.Keyword,
+    'IDENTITY': tokens.Keyword,
+    'IGNORE': tokens.Keyword,
+    'ILIKE': tokens.Keyword,
+    'IMMEDIATE': tokens.Keyword,
+    'IMMUTABLE': tokens.Keyword,
+
+    'IMPLEMENTATION': tokens.Keyword,
+    'IMPLICIT': tokens.Keyword,
+    'INCLUDING': tokens.Keyword,
+    'INCREMENT': tokens.Keyword,
+    'INDEX': tokens.Keyword,
+
+    'INDICATOR': tokens.Keyword,
+    'INFIX': tokens.Keyword,
+    'INHERITS': tokens.Keyword,
+    'INITIAL': tokens.Keyword,
+    'INITIALIZE': tokens.Keyword,
+    'INITIALLY': tokens.Keyword,
+    'INOUT': tokens.Keyword,
+    'INPUT': tokens.Keyword,
+    'INSENSITIVE': tokens.Keyword,
+    'INSTANTIABLE': tokens.Keyword,
+    'INSTEAD': tokens.Keyword,
+    'INTERSECT': tokens.Keyword,
+    'INTO': tokens.Keyword,
+    'INVOKER': tokens.Keyword,
+    'IS': tokens.Keyword,
+    'ISNULL': tokens.Keyword,
+    'ISOLATION': tokens.Keyword,
+    'ITERATE': tokens.Keyword,
+
+    # 'K': tokens.Keyword,
+    'KEY': tokens.Keyword,
+    'KEY_MEMBER': tokens.Keyword,
+    'KEY_TYPE': tokens.Keyword,
+
+    'LANCOMPILER': tokens.Keyword,
+    'LANGUAGE': tokens.Keyword,
+    'LARGE': tokens.Keyword,
+    'LAST': tokens.Keyword,
+    'LATERAL': tokens.Keyword,
+    'LEADING': tokens.Keyword,
+    'LENGTH': tokens.Keyword,
+    'LESS': tokens.Keyword,
+    'LEVEL': tokens.Keyword,
+    'LIMIT': tokens.Keyword,
+    'LISTEN': tokens.Keyword,
+    'LOAD': tokens.Keyword,
+    'LOCAL': tokens.Keyword,
+    'LOCALTIME': tokens.Keyword,
+    'LOCALTIMESTAMP': tokens.Keyword,
+    'LOCATION': tokens.Keyword,
+    'LOCATOR': tokens.Keyword,
+    'LOCK': tokens.Keyword,
+    'LOWER': tokens.Keyword,
+
+    # 'M': tokens.Keyword,
+    'MAP': tokens.Keyword,
+    'MATCH': tokens.Keyword,
+    'MAXEXTENTS': tokens.Keyword,
+    'MAXVALUE': tokens.Keyword,
+    'MESSAGE_LENGTH': tokens.Keyword,
+    'MESSAGE_OCTET_LENGTH': tokens.Keyword,
+    'MESSAGE_TEXT': tokens.Keyword,
+    'METHOD': tokens.Keyword,
+    'MINUTE': tokens.Keyword,
+    'MINUS': tokens.Keyword,
+    'MINVALUE': tokens.Keyword,
+    'MOD': tokens.Keyword,
+    'MODE': tokens.Keyword,
+    'MODIFIES': tokens.Keyword,
+    'MODIFY': tokens.Keyword,
+    'MONTH': tokens.Keyword,
+    'MORE': tokens.Keyword,
+    'MOVE': tokens.Keyword,
+    'MUMPS': tokens.Keyword,
+
+    'NAMES': tokens.Keyword,
+    'NATIONAL': tokens.Keyword,
+    'NATURAL': tokens.Keyword,
+    'NCHAR': tokens.Keyword,
+    'NCLOB': tokens.Keyword,
+    'NEW': tokens.Keyword,
+    'NEXT': tokens.Keyword,
+    'NO': tokens.Keyword,
+    'NOAUDIT': tokens.Keyword,
+    'NOCOMPRESS': tokens.Keyword,
+    'NOCREATEDB': tokens.Keyword,
+    'NOCREATEUSER': tokens.Keyword,
+    'NONE': tokens.Keyword,
+    'NOT': tokens.Keyword,
+    'NOTFOUND': tokens.Keyword,
+    'NOTHING': tokens.Keyword,
+    'NOTIFY': tokens.Keyword,
+    'NOTNULL': tokens.Keyword,
+    'NOWAIT': tokens.Keyword,
+    'NULL': tokens.Keyword,
+    'NULLABLE': tokens.Keyword,
+    'NULLIF': tokens.Keyword,
+
+    'OBJECT': tokens.Keyword,
+    'OCTET_LENGTH': tokens.Keyword,
+    'OF': tokens.Keyword,
+    'OFF': tokens.Keyword,
+    'OFFLINE': tokens.Keyword,
+    'OFFSET': tokens.Keyword,
+    'OIDS': tokens.Keyword,
+    'OLD': tokens.Keyword,
+    'ONLINE': tokens.Keyword,
+    'ONLY': tokens.Keyword,
+    'OPEN': tokens.Keyword,
+    'OPERATION': tokens.Keyword,
+    'OPERATOR': tokens.Keyword,
+    'OPTION': tokens.Keyword,
+    'OPTIONS': tokens.Keyword,
+    'ORDINALITY': tokens.Keyword,
+    'OUT': tokens.Keyword,
+    'OUTPUT': tokens.Keyword,
+    'OVERLAPS': tokens.Keyword,
+    'OVERLAY': tokens.Keyword,
+    'OVERRIDING': tokens.Keyword,
+    'OWNER': tokens.Keyword,
+
+    'QUARTER': tokens.Keyword,
+
+    'PAD': tokens.Keyword,
+    'PARAMETER': tokens.Keyword,
+    'PARAMETERS': tokens.Keyword,
+    'PARAMETER_MODE': tokens.Keyword,
+    'PARAMETER_NAME': tokens.Keyword,
+    'PARAMETER_ORDINAL_POSITION': tokens.Keyword,
+    'PARAMETER_SPECIFIC_CATALOG': tokens.Keyword,
+    'PARAMETER_SPECIFIC_NAME': tokens.Keyword,
+    'PARAMETER_SPECIFIC_SCHEMA': tokens.Keyword,
+    'PARTIAL': tokens.Keyword,
+    'PASCAL': tokens.Keyword,
+    'PCTFREE': tokens.Keyword,
+    'PENDANT': tokens.Keyword,
+    'PLACING': tokens.Keyword,
+    'PLI': tokens.Keyword,
+    'POSITION': tokens.Keyword,
+    'POSTFIX': tokens.Keyword,
+    'PRECISION': tokens.Keyword,
+    'PREFIX': tokens.Keyword,
+    'PREORDER': tokens.Keyword,
+    'PREPARE': tokens.Keyword,
+    'PRESERVE': tokens.Keyword,
+    'PRIMARY': tokens.Keyword,
+    'PRIOR': tokens.Keyword,
+    'PRIVILEGES': tokens.Keyword,
+    'PROCEDURAL': tokens.Keyword,
+    'PROCEDURE': tokens.Keyword,
+    'PUBLIC': tokens.Keyword,
+
+    'RAISE': tokens.Keyword,
+    'RAW': tokens.Keyword,
+    'READ': tokens.Keyword,
+    'READS': tokens.Keyword,
+    'RECHECK': tokens.Keyword,
+    'RECURSIVE': tokens.Keyword,
+    'REF': tokens.Keyword,
+    'REFERENCES': tokens.Keyword,
+    'REFERENCING': tokens.Keyword,
+    'REINDEX': tokens.Keyword,
+    'RELATIVE': tokens.Keyword,
+    'RENAME': tokens.Keyword,
+    'REPEATABLE': tokens.Keyword,
+    'RESET': tokens.Keyword,
+    'RESOURCE': tokens.Keyword,
+    'RESTART': tokens.Keyword,
+    'RESTRICT': tokens.Keyword,
+    'RESULT': tokens.Keyword,
+    'RETURN': tokens.Keyword,
+    'RETURNED_LENGTH': tokens.Keyword,
+    'RETURNED_OCTET_LENGTH': tokens.Keyword,
+    'RETURNED_SQLSTATE': tokens.Keyword,
+    'RETURNING': tokens.Keyword,
+    'RETURNS': tokens.Keyword,
+    'RIGHT': tokens.Keyword,
+    'ROLE': tokens.Keyword,
+    'ROLLBACK': tokens.Keyword.DML,
+    'ROLLUP': tokens.Keyword,
+    'ROUTINE': tokens.Keyword,
+    'ROUTINE_CATALOG': tokens.Keyword,
+    'ROUTINE_NAME': tokens.Keyword,
+    'ROUTINE_SCHEMA': tokens.Keyword,
+    'ROWS': tokens.Keyword,
+    'ROW_COUNT': tokens.Keyword,
+    'RULE': tokens.Keyword,
+
+    'SAVE_POINT': tokens.Keyword,
+    'SCALE': tokens.Keyword,
+    'SCHEMA': tokens.Keyword,
+    'SCHEMA_NAME': tokens.Keyword,
+    'SCOPE': tokens.Keyword,
+    'SCROLL': tokens.Keyword,
+    'SEARCH': tokens.Keyword,
+    'SECOND': tokens.Keyword,
+    'SECURITY': tokens.Keyword,
+    'SELF': tokens.Keyword,
+    'SENSITIVE': tokens.Keyword,
+    'SEQUENCE': tokens.Keyword,
+    'SERIALIZABLE': tokens.Keyword,
+    'SERVER_NAME': tokens.Keyword,
+    'SESSION': tokens.Keyword,
+    'SESSION_USER': tokens.Keyword,
+    'SETOF': tokens.Keyword,
+    'SETS': tokens.Keyword,
+    'SHARE': tokens.Keyword,
+    'SHOW': tokens.Keyword,
+    'SIMILAR': tokens.Keyword,
+    'SIMPLE': tokens.Keyword,
+    'SIZE': tokens.Keyword,
+    'SOME': tokens.Keyword,
+    'SOURCE': tokens.Keyword,
+    'SPACE': tokens.Keyword,
+    'SPECIFIC': tokens.Keyword,
+    'SPECIFICTYPE': tokens.Keyword,
+    'SPECIFIC_NAME': tokens.Keyword,
+    'SQL': tokens.Keyword,
+    'SQLBUF': tokens.Keyword,
+    'SQLCODE': tokens.Keyword,
+    'SQLERROR': tokens.Keyword,
+    'SQLEXCEPTION': tokens.Keyword,
+    'SQLSTATE': tokens.Keyword,
+    'SQLWARNING': tokens.Keyword,
+    'STABLE': tokens.Keyword,
+    'START': tokens.Keyword.DML,
+    # 'STATE': tokens.Keyword,
+    'STATEMENT': tokens.Keyword,
+    'STATIC': tokens.Keyword,
+    'STATISTICS': tokens.Keyword,
+    'STDIN': tokens.Keyword,
+    'STDOUT': tokens.Keyword,
+    'STORAGE': tokens.Keyword,
+    'STRICT': tokens.Keyword,
+    'STRUCTURE': tokens.Keyword,
+    'STYPE': tokens.Keyword,
+    'SUBCLASS_ORIGIN': tokens.Keyword,
+    'SUBLIST': tokens.Keyword,
+    'SUBSTRING': tokens.Keyword,
+    'SUCCESSFUL': tokens.Keyword,
+    'SUM': tokens.Keyword,
+    'SYMMETRIC': tokens.Keyword,
+    'SYNONYM': tokens.Keyword,
+    'SYSID': tokens.Keyword,
+    'SYSTEM': tokens.Keyword,
+    'SYSTEM_USER': tokens.Keyword,
+
+    'TABLE': tokens.Keyword,
+    'TABLE_NAME': tokens.Keyword,
+    'TEMP': tokens.Keyword,
+    'TEMPLATE': tokens.Keyword,
+    'TEMPORARY': tokens.Keyword,
+    'TERMINATE': tokens.Keyword,
+    'THAN': tokens.Keyword,
+    'TIMESTAMP': tokens.Keyword,
+    'TIMEZONE_HOUR': tokens.Keyword,
+    'TIMEZONE_MINUTE': tokens.Keyword,
+    'TO': tokens.Keyword,
+    'TOAST': tokens.Keyword,
+    'TRAILING': tokens.Keyword,
+    'TRANSATION': tokens.Keyword,
+    'TRANSACTIONS_COMMITTED': tokens.Keyword,
+    'TRANSACTIONS_ROLLED_BACK': tokens.Keyword,
+    'TRANSATION_ACTIVE': tokens.Keyword,
+    'TRANSFORM': tokens.Keyword,
+    'TRANSFORMS': tokens.Keyword,
+    'TRANSLATE': tokens.Keyword,
+    'TRANSLATION': tokens.Keyword,
+    'TREAT': tokens.Keyword,
+    'TRIGGER': tokens.Keyword,
+    'TRIGGER_CATALOG': tokens.Keyword,
+    'TRIGGER_NAME': tokens.Keyword,
+    'TRIGGER_SCHEMA': tokens.Keyword,
+    'TRIM': tokens.Keyword,
+    'TRUE': tokens.Keyword,
+    'TRUSTED': tokens.Keyword,
+    'TYPE': tokens.Keyword,
+
+    'UID': tokens.Keyword,
+    'UNCOMMITTED': tokens.Keyword,
+    'UNDER': tokens.Keyword,
+    'UNENCRYPTED': tokens.Keyword,
+    'UNION': tokens.Keyword,
+    'UNIQUE': tokens.Keyword,
+    'UNKNOWN': tokens.Keyword,
+    'UNLISTEN': tokens.Keyword,
+    'UNNAMED': tokens.Keyword,
+    'UNNEST': tokens.Keyword,
+    'UNTIL': tokens.Keyword,
+    'UPPER': tokens.Keyword,
+    'USAGE': tokens.Keyword,
+    'USE': tokens.Keyword,
+    'USER': tokens.Keyword,
+    'USER_DEFINED_TYPE_CATALOG': tokens.Keyword,
+    'USER_DEFINED_TYPE_NAME': tokens.Keyword,
+    'USER_DEFINED_TYPE_SCHEMA': tokens.Keyword,
+    'USING': tokens.Keyword,
+
+    'VACUUM': tokens.Keyword,
+    'VALID': tokens.Keyword,
+    'VALIDATE': tokens.Keyword,
+    'VALIDATOR': tokens.Keyword,
+    'VALUES': tokens.Keyword,
+    'VARIABLE': tokens.Keyword,
+    'VERBOSE': tokens.Keyword,
+    'VERSION': tokens.Keyword,
+    'VIEW': tokens.Keyword,
+    'VOLATILE': tokens.Keyword,
+
+    'WEEK': tokens.Keyword,
+    'WHENEVER': tokens.Keyword,
+    'WITH': tokens.Keyword.CTE,
+    'WITHOUT': tokens.Keyword,
+    'WORK': tokens.Keyword,
+    'WRITE': tokens.Keyword,
+
+    'YEAR': tokens.Keyword,
+
+    'ZONE': tokens.Keyword,
+
+    # Name.Builtin
+    'ARRAY': tokens.Name.Builtin,
+    'BIGINT': tokens.Name.Builtin,
+    'BINARY': tokens.Name.Builtin,
+    'BIT': tokens.Name.Builtin,
+    'BLOB': tokens.Name.Builtin,
+    'BOOLEAN': tokens.Name.Builtin,
+    'CHAR': tokens.Name.Builtin,
+    'CHARACTER': tokens.Name.Builtin,
+    'DATE': tokens.Name.Builtin,
+    'DEC': tokens.Name.Builtin,
+    'DECIMAL': tokens.Name.Builtin,
+    'FILE_TYPE': tokens.Name.Builtin,
+    'FLOAT': tokens.Name.Builtin,
+    'INT': tokens.Name.Builtin,
+    'INT8': tokens.Name.Builtin,
+    'INTEGER': tokens.Name.Builtin,
+    'INTERVAL': tokens.Name.Builtin,
+    'LONG': tokens.Name.Builtin,
+    'NATURALN': tokens.Name.Builtin,
+    'NVARCHAR': tokens.Name.Builtin,
+    'NUMBER': tokens.Name.Builtin,
+    'NUMERIC': tokens.Name.Builtin,
+    'PLS_INTEGER': tokens.Name.Builtin,
+    'POSITIVE': tokens.Name.Builtin,
+    'POSITIVEN': tokens.Name.Builtin,
+    'REAL': tokens.Name.Builtin,
+    'ROWID': tokens.Name.Builtin,
+    'ROWLABEL': tokens.Name.Builtin,
+    'ROWNUM': tokens.Name.Builtin,
+    'SERIAL': tokens.Name.Builtin,
+    'SERIAL8': tokens.Name.Builtin,
+    'SIGNED': tokens.Name.Builtin,
+    'SIGNTYPE': tokens.Name.Builtin,
+    'SIMPLE_DOUBLE': tokens.Name.Builtin,
+    'SIMPLE_FLOAT': tokens.Name.Builtin,
+    'SIMPLE_INTEGER': tokens.Name.Builtin,
+    'SMALLINT': tokens.Name.Builtin,
+    'SYS_REFCURSOR': tokens.Name.Builtin,
+    'SYSDATE': tokens.Name,
+    'TEXT': tokens.Name.Builtin,
+    'TINYINT': tokens.Name.Builtin,
+    'UNSIGNED': tokens.Name.Builtin,
+    'UROWID': tokens.Name.Builtin,
+    'UTL_FILE': tokens.Name.Builtin,
+    'VARCHAR': tokens.Name.Builtin,
+    'VARCHAR2': tokens.Name.Builtin,
+    'VARYING': tokens.Name.Builtin,
+}
+
+KEYWORDS_COMMON = {
+    'SELECT': tokens.Keyword.DML,
+    'INSERT': tokens.Keyword.DML,
+    'DELETE': tokens.Keyword.DML,
+    'UPDATE': tokens.Keyword.DML,
+    'UPSERT': tokens.Keyword.DML,
+    'REPLACE': tokens.Keyword.DML,
+    'MERGE': tokens.Keyword.DML,
+    'DROP': tokens.Keyword.DDL,
+    'CREATE': tokens.Keyword.DDL,
+    'ALTER': tokens.Keyword.DDL,
+    'TRUNCATE': tokens.Keyword.DDL,
+    'GRANT': tokens.Keyword.DCL,
+    'REVOKE': tokens.Keyword.DCL,
+
+    'WHERE': tokens.Keyword,
+    'FROM': tokens.Keyword,
+    'INNER': tokens.Keyword,
+    'JOIN': tokens.Keyword,
+    'STRAIGHT_JOIN': tokens.Keyword,
+    'AND': tokens.Keyword,
+    'OR': tokens.Keyword,
+    'LIKE': tokens.Keyword,
+    'ON': tokens.Keyword,
+    'IN': tokens.Keyword,
+    'SET': tokens.Keyword,
+
+    'BY': tokens.Keyword,
+    'GROUP': tokens.Keyword,
+    'ORDER': tokens.Keyword,
+    'LEFT': tokens.Keyword,
+    'OUTER': tokens.Keyword,
+    'FULL': tokens.Keyword,
+
+    'IF': tokens.Keyword,
+    'END': tokens.Keyword,
+    'THEN': tokens.Keyword,
+    'LOOP': tokens.Keyword,
+    'AS': tokens.Keyword,
+    'ELSE': tokens.Keyword,
+    'FOR': tokens.Keyword,
+    'WHILE': tokens.Keyword,
+
+    'CASE': tokens.Keyword,
+    'WHEN': tokens.Keyword,
+    'MIN': tokens.Keyword,
+    'MAX': tokens.Keyword,
+    'DISTINCT': tokens.Keyword,
+}
+
+KEYWORDS_ORACLE = {
+    'ARCHIVE': tokens.Keyword,
+    'ARCHIVELOG': tokens.Keyword,
+
+    'BACKUP': tokens.Keyword,
+    'BECOME': tokens.Keyword,
+    'BLOCK': tokens.Keyword,
+    'BODY': tokens.Keyword,
+
+    'CANCEL': tokens.Keyword,
+    'CHANGE': tokens.Keyword,
+    'COMPILE': tokens.Keyword,
+    'CONTENTS': tokens.Keyword,
+    'CONTROLFILE': tokens.Keyword,
+
+    'DATAFILE': tokens.Keyword,
+    'DBA': tokens.Keyword,
+    'DISMOUNT': tokens.Keyword,
+    'DOUBLE': tokens.Keyword,
+    'DUMP': tokens.Keyword,
+
+    'ELSIF': tokens.Keyword,
+    'EVENTS': tokens.Keyword,
+    'EXCEPTIONS': tokens.Keyword,
+    'EXPLAIN': tokens.Keyword,
+    'EXTENT': tokens.Keyword,
+    'EXTERNALLY': tokens.Keyword,
+
+    'FLUSH': tokens.Keyword,
+    'FREELIST': tokens.Keyword,
+    'FREELISTS': tokens.Keyword,
+
+    # groups seems too common as table name
+    # 'GROUPS': tokens.Keyword,
+
+    'INDICATOR': tokens.Keyword,
+    'INITRANS': tokens.Keyword,
+    'INSTANCE': tokens.Keyword,
+
+    'LAYER': tokens.Keyword,
+    'LINK': tokens.Keyword,
+    'LISTS': tokens.Keyword,
+    'LOGFILE': tokens.Keyword,
+
+    'MANAGE': tokens.Keyword,
+    'MANUAL': tokens.Keyword,
+    'MAXDATAFILES': tokens.Keyword,
+    'MAXINSTANCES': tokens.Keyword,
+    'MAXLOGFILES': tokens.Keyword,
+    'MAXLOGHISTORY': tokens.Keyword,
+    'MAXLOGMEMBERS': tokens.Keyword,
+    'MAXTRANS': tokens.Keyword,
+    'MINEXTENTS': tokens.Keyword,
+    'MODULE': tokens.Keyword,
+    'MOUNT': tokens.Keyword,
+
+    'NOARCHIVELOG': tokens.Keyword,
+    'NOCACHE': tokens.Keyword,
+    'NOCYCLE': tokens.Keyword,
+    'NOMAXVALUE': tokens.Keyword,
+    'NOMINVALUE': tokens.Keyword,
+    'NOORDER': tokens.Keyword,
+    'NORESETLOGS': tokens.Keyword,
+    'NORMAL': tokens.Keyword,
+    'NOSORT': tokens.Keyword,
+
+    'OPTIMAL': tokens.Keyword,
+    'OWN': tokens.Keyword,
+
+    'PACKAGE': tokens.Keyword,
+    'PARALLEL': tokens.Keyword,
+    'PCTINCREASE': tokens.Keyword,
+    'PCTUSED': tokens.Keyword,
+    'PLAN': tokens.Keyword,
+    'PRIVATE': tokens.Keyword,
+    'PROFILE': tokens.Keyword,
+
+    'QUOTA': tokens.Keyword,
+
+    'RECOVER': tokens.Keyword,
+    'RESETLOGS': tokens.Keyword,
+    'RESTRICTED': tokens.Keyword,
+    'REUSE': tokens.Keyword,
+    'ROLES': tokens.Keyword,
+
+    'SAVEPOINT': tokens.Keyword,
+    'SCN': tokens.Keyword,
+    'SECTION': tokens.Keyword,
+    'SEGMENT': tokens.Keyword,
+    'SHARED': tokens.Keyword,
+    'SNAPSHOT': tokens.Keyword,
+    'SORT': tokens.Keyword,
+    'STATEMENT_ID': tokens.Keyword,
+    'STOP': tokens.Keyword,
+    'SWITCH': tokens.Keyword,
+
+    'TABLES': tokens.Keyword,
+    'TABLESPACE': tokens.Keyword,
+    'THREAD': tokens.Keyword,
+    'TIME': tokens.Keyword,
+    'TRACING': tokens.Keyword,
+    'TRANSACTION': tokens.Keyword,
+    'TRIGGERS': tokens.Keyword,
+
+    'UNLIMITED': tokens.Keyword,
+    'UNLOCK': tokens.Keyword,
+}
+
+# MySQL
+KEYWORDS_MYSQL = {
+    'ROW': tokens.Keyword,
+}
+
+# PostgreSQL Syntax
+KEYWORDS_PLPGSQL = {
+    'CONFLICT': tokens.Keyword,
+    'WINDOW': tokens.Keyword,
+    'PARTITION': tokens.Keyword,
+    'OVER': tokens.Keyword,
+    'PERFORM': tokens.Keyword,
+    'NOTICE': tokens.Keyword,
+    'PLPGSQL': tokens.Keyword,
+    'INHERIT': tokens.Keyword,
+    'INDEXES': tokens.Keyword,
+    'ON_ERROR_STOP': tokens.Keyword,
+
+    'BYTEA': tokens.Keyword,
+    'BIGSERIAL': tokens.Keyword,
+    'BIT VARYING': tokens.Keyword,
+    'BOX': tokens.Keyword,
+    'CHARACTER': tokens.Keyword,
+    'CHARACTER VARYING': tokens.Keyword,
+    'CIDR': tokens.Keyword,
+    'CIRCLE': tokens.Keyword,
+    'DOUBLE PRECISION': tokens.Keyword,
+    'INET': tokens.Keyword,
+    'JSON': tokens.Keyword,
+    'JSONB': tokens.Keyword,
+    'LINE': tokens.Keyword,
+    'LSEG': tokens.Keyword,
+    'MACADDR': tokens.Keyword,
+    'MONEY': tokens.Keyword,
+    'PATH': tokens.Keyword,
+    'PG_LSN': tokens.Keyword,
+    'POINT': tokens.Keyword,
+    'POLYGON': tokens.Keyword,
+    'SMALLSERIAL': tokens.Keyword,
+    'TSQUERY': tokens.Keyword,
+    'TSVECTOR': tokens.Keyword,
+    'TXID_SNAPSHOT': tokens.Keyword,
+    'UUID': tokens.Keyword,
+    'XML': tokens.Keyword,
+
+    'FOR': tokens.Keyword,
+    'IN': tokens.Keyword,
+    'LOOP': tokens.Keyword,
+}
+
+# Hive Syntax
+KEYWORDS_HQL = {
+    'EXPLODE': tokens.Keyword,
+    'DIRECTORY': tokens.Keyword,
+    'DISTRIBUTE': tokens.Keyword,
+    'INCLUDE': tokens.Keyword,
+    'LOCATE': tokens.Keyword,
+    'OVERWRITE': tokens.Keyword,
+    'POSEXPLODE': tokens.Keyword,
+
+    'ARRAY_CONTAINS': tokens.Keyword,
+    'CMP': tokens.Keyword,
+    'COLLECT_LIST': tokens.Keyword,
+    'CONCAT': tokens.Keyword,
+    'CONDITION': tokens.Keyword,
+    'DATE_ADD': tokens.Keyword,
+    'DATE_SUB': tokens.Keyword,
+    'DECODE': tokens.Keyword,
+    'DBMS_OUTPUT': tokens.Keyword,
+    'ELEMENTS': tokens.Keyword,
+    'EXCHANGE': tokens.Keyword,
+    'EXTENDED': tokens.Keyword,
+    'FLOOR': tokens.Keyword,
+    'FOLLOWING': tokens.Keyword,
+    'FROM_UNIXTIME': tokens.Keyword,
+    'FTP': tokens.Keyword,
+    'HOUR': tokens.Keyword,
+    'INLINE': tokens.Keyword,
+    'INSTR': tokens.Keyword,
+    'LEN': tokens.Keyword,
+    'MAP': tokens.Name.Builtin,
+    'MAXELEMENT': tokens.Keyword,
+    'MAXINDEX': tokens.Keyword,
+    'MAX_PART_DATE': tokens.Keyword,
+    'MAX_PART_INT': tokens.Keyword,
+    'MAX_PART_STRING': tokens.Keyword,
+    'MINELEMENT': tokens.Keyword,
+    'MININDEX': tokens.Keyword,
+    'MIN_PART_DATE': tokens.Keyword,
+    'MIN_PART_INT': tokens.Keyword,
+    'MIN_PART_STRING': tokens.Keyword,
+    'NOW': tokens.Keyword,
+    'NVL': tokens.Keyword,
+    'NVL2': tokens.Keyword,
+    'PARSE_URL_TUPLE': tokens.Keyword,
+    'PART_LOC': tokens.Keyword,
+    'PART_COUNT': tokens.Keyword,
+    'PART_COUNT_BY': tokens.Keyword,
+    'PRINT': tokens.Keyword,
+    'PUT_LINE': tokens.Keyword,
+    'RANGE': tokens.Keyword,
+    'REDUCE': tokens.Keyword,
+    'REGEXP_REPLACE': tokens.Keyword,
+    'RESIGNAL': tokens.Keyword,
+    'RTRIM': tokens.Keyword,
+    'SIGN': tokens.Keyword,
+    'SIGNAL': tokens.Keyword,
+    'SIN': tokens.Keyword,
+    'SPLIT': tokens.Keyword,
+    'SQRT': tokens.Keyword,
+    'STACK': tokens.Keyword,
+    'STR': tokens.Keyword,
+    'STRING': tokens.Name.Builtin,
+    'STRUCT': tokens.Name.Builtin,
+    'SUBSTR': tokens.Keyword,
+    'SUMMARY': tokens.Keyword,
+    'TBLPROPERTIES': tokens.Keyword,
+    'TIMESTAMP': tokens.Name.Builtin,
+    'TIMESTAMP_ISO': tokens.Keyword,
+    'TO_CHAR': tokens.Keyword,
+    'TO_DATE': tokens.Keyword,
+    'TO_TIMESTAMP': tokens.Keyword,
+    'TRUNC': tokens.Keyword,
+    'UNBOUNDED': tokens.Keyword,
+    'UNIQUEJOIN': tokens.Keyword,
+    'UNIX_TIMESTAMP': tokens.Keyword,
+    'UTC_TIMESTAMP': tokens.Keyword,
+    'VIEWS': tokens.Keyword,
+
+    'EXIT': tokens.Keyword,
+    'BREAK': tokens.Keyword,
+    'LEAVE': tokens.Keyword,
+}
+
+
+KEYWORDS_MSACCESS = {
+    'DISTINCTROW': tokens.Keyword,
+}
+
+
+KEYWORDS_SNOWFLAKE = {
+    'ACCOUNT': tokens.Keyword,
+    'GSCLUSTER': tokens.Keyword,
+    'ISSUE': tokens.Keyword,
+    'ORGANIZATION': tokens.Keyword,
+    'PIVOT': tokens.Keyword,
+    'QUALIFY': tokens.Keyword,
+    'REGEXP': tokens.Keyword,
+    'RLIKE': tokens.Keyword,
+    'SAMPLE': tokens.Keyword,
+    'TRY_CAST': tokens.Keyword,
+    'UNPIVOT': tokens.Keyword,
+
+    'VARIANT': tokens.Name.Builtin,
+}
+
+
+KEYWORDS_BIGQUERY = {
+    'ASSERT_ROWS_MODIFIED': tokens.Keyword,
+    'DEFINE': tokens.Keyword,
+    'ENUM': tokens.Keyword,
+    'HASH': tokens.Keyword,
+    'LOOKUP': tokens.Keyword,
+    'PRECEDING': tokens.Keyword,
+    'PROTO': tokens.Keyword,
+    'RESPECT': tokens.Keyword,
+    'TABLESAMPLE': tokens.Keyword,
+
+    'BIGNUMERIC': tokens.Name.Builtin,
+}
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/lexer.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/lexer.py
new file mode 100644
index 00000000..8f88d171
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/lexer.py
@@ -0,0 +1,161 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""SQL Lexer"""
+import re
+from threading import Lock
+
+# This code is based on the SqlLexer in pygments.
+# http://pygments.org/
+# It's separated from the rest of pygments to increase performance
+# and to allow some customizations.
+
+from io import TextIOBase
+
+from sqlparse import tokens, keywords
+from sqlparse.utils import consume
+
+
+class Lexer:
+    """The Lexer supports configurable syntax.
+    To add support for additional keywords, use the `add_keywords` method."""
+
+    _default_instance = None
+    _lock = Lock()
+
+    # Development notes:
+    # - This class is prepared to be able to support additional SQL dialects
+    #   in the future by adding additional functions that take the place of
+    #   the function default_initialization().
+    # - The lexer class uses an explicit singleton behavior with the
+    #   instance-getter method get_default_instance(). This mechanism has
+    #   the advantage that the call signature of the entry-points to the
+    #   sqlparse library are not affected. Also, usage of sqlparse in third
+    #   party code does not need to be adapted. On the other hand, the current
+    #   implementation does not easily allow for multiple SQL dialects to be
+    #   parsed in the same process.
+    #   Such behavior can be supported in the future by passing a
+    #   suitably initialized lexer object as an additional parameter to the
+    #   entry-point functions (such as `parse`). Code will need to be written
+    #   to pass down and utilize such an object. The current implementation
+    #   is prepared to support this thread safe approach without the
+    #   default_instance part needing to change interface.
+
+    @classmethod
+    def get_default_instance(cls):
+        """Returns the lexer instance used internally
+        by the sqlparse core functions."""
+        with cls._lock:
+            if cls._default_instance is None:
+                cls._default_instance = cls()
+                cls._default_instance.default_initialization()
+        return cls._default_instance
+
+    def default_initialization(self):
+        """Initialize the lexer with default dictionaries.
+        Useful if you need to revert custom syntax settings."""
+        self.clear()
+        self.set_SQL_REGEX(keywords.SQL_REGEX)
+        self.add_keywords(keywords.KEYWORDS_COMMON)
+        self.add_keywords(keywords.KEYWORDS_ORACLE)
+        self.add_keywords(keywords.KEYWORDS_MYSQL)
+        self.add_keywords(keywords.KEYWORDS_PLPGSQL)
+        self.add_keywords(keywords.KEYWORDS_HQL)
+        self.add_keywords(keywords.KEYWORDS_MSACCESS)
+        self.add_keywords(keywords.KEYWORDS_SNOWFLAKE)
+        self.add_keywords(keywords.KEYWORDS_BIGQUERY)
+        self.add_keywords(keywords.KEYWORDS)
+
+    def clear(self):
+        """Clear all syntax configurations.
+        Useful if you want to load a reduced set of syntax configurations.
+        After this call, regexps and keyword dictionaries need to be loaded
+        to make the lexer functional again."""
+        self._SQL_REGEX = []
+        self._keywords = []
+
+    def set_SQL_REGEX(self, SQL_REGEX):
+        """Set the list of regex that will parse the SQL."""
+        FLAGS = re.IGNORECASE | re.UNICODE
+        self._SQL_REGEX = [
+            (re.compile(rx, FLAGS).match, tt)
+            for rx, tt in SQL_REGEX
+        ]
+
+    def add_keywords(self, keywords):
+        """Add keyword dictionaries. Keywords are looked up in the same order
+        that dictionaries were added."""
+        self._keywords.append(keywords)
+
+    def is_keyword(self, value):
+        """Checks for a keyword.
+
+        If the given value is in one of the KEYWORDS_* dictionary
+        it's considered a keyword. Otherwise, tokens.Name is returned.
+        """
+        val = value.upper()
+        for kwdict in self._keywords:
+            if val in kwdict:
+                return kwdict[val], value
+        else:
+            return tokens.Name, value
+
+    def get_tokens(self, text, encoding=None):
+        """
+        Return an iterable of (tokentype, value) pairs generated from
+        `text`. If `unfiltered` is set to `True`, the filtering mechanism
+        is bypassed even if filters are defined.
+
+        Also preprocess the text, i.e. expand tabs and strip it if
+        wanted and applies registered filters.
+
+        Split ``text`` into (tokentype, text) pairs.
+
+        ``stack`` is the initial stack (default: ``['root']``)
+        """
+        if isinstance(text, TextIOBase):
+            text = text.read()
+
+        if isinstance(text, str):
+            pass
+        elif isinstance(text, bytes):
+            if encoding:
+                text = text.decode(encoding)
+            else:
+                try:
+                    text = text.decode('utf-8')
+                except UnicodeDecodeError:
+                    text = text.decode('unicode-escape')
+        else:
+            raise TypeError("Expected text or file-like object, got {!r}".
+                            format(type(text)))
+
+        iterable = enumerate(text)
+        for pos, char in iterable:
+            for rexmatch, action in self._SQL_REGEX:
+                m = rexmatch(text, pos)
+
+                if not m:
+                    continue
+                elif isinstance(action, tokens._TokenType):
+                    yield action, m.group()
+                elif action is keywords.PROCESS_AS_KEYWORD:
+                    yield self.is_keyword(m.group())
+
+                consume(iterable, m.end() - pos - 1)
+                break
+            else:
+                yield tokens.Error, char
+
+
+def tokenize(sql, encoding=None):
+    """Tokenize sql.
+
+    Tokenize *sql* using the :class:`Lexer` and return a 2-tuple stream
+    of ``(token type, value)`` items.
+    """
+    return Lexer.get_default_instance().get_tokens(sql, encoding)
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/sql.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/sql.py
new file mode 100644
index 00000000..bd5f35b1
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/sql.py
@@ -0,0 +1,663 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""This module contains classes representing syntactical elements of SQL."""
+
+import re
+
+from sqlparse import tokens as T
+from sqlparse.exceptions import SQLParseError
+from sqlparse.utils import imt, remove_quotes
+
+
+class NameAliasMixin:
+    """Implements get_real_name and get_alias."""
+
+    def get_real_name(self):
+        """Returns the real name (object name) of this identifier."""
+        # a.b
+        dot_idx, _ = self.token_next_by(m=(T.Punctuation, '.'))
+        return self._get_first_name(dot_idx, real_name=True)
+
+    def get_alias(self):
+        """Returns the alias for this identifier or ``None``."""
+
+        # "name AS alias"
+        kw_idx, kw = self.token_next_by(m=(T.Keyword, 'AS'))
+        if kw is not None:
+            return self._get_first_name(kw_idx + 1, keywords=True)
+
+        # "name alias" or "complicated column expression alias"
+        _, ws = self.token_next_by(t=T.Whitespace)
+        if len(self.tokens) > 2 and ws is not None:
+            return self._get_first_name(reverse=True)
+
+
+class Token:
+    """Base class for all other classes in this module.
+
+    It represents a single token and has two instance attributes:
+    ``value`` is the unchanged value of the token and ``ttype`` is
+    the type of the token.
+    """
+
+    __slots__ = ('value', 'ttype', 'parent', 'normalized', 'is_keyword',
+                 'is_group', 'is_whitespace')
+
+    def __init__(self, ttype, value):
+        value = str(value)
+        self.value = value
+        self.ttype = ttype
+        self.parent = None
+        self.is_group = False
+        self.is_keyword = ttype in T.Keyword
+        self.is_whitespace = self.ttype in T.Whitespace
+        self.normalized = value.upper() if self.is_keyword else value
+
+    def __str__(self):
+        return self.value
+
+    # Pending tokenlist __len__ bug fix
+    # def __len__(self):
+    #     return len(self.value)
+
+    def __repr__(self):
+        cls = self._get_repr_name()
+        value = self._get_repr_value()
+
+        q = '"' if value.startswith("'") and value.endswith("'") else "'"
+        return "<{cls} {q}{value}{q} at 0x{id:2X}>".format(
+            id=id(self), **locals())
+
+    def _get_repr_name(self):
+        return str(self.ttype).split('.')[-1]
+
+    def _get_repr_value(self):
+        raw = str(self)
+        if len(raw) > 7:
+            raw = raw[:6] + '...'
+        return re.sub(r'\s+', ' ', raw)
+
+    def flatten(self):
+        """Resolve subgroups."""
+        yield self
+
+    def match(self, ttype, values, regex=False):
+        """Checks whether the token matches the given arguments.
+
+        *ttype* is a token type. If this token doesn't match the given token
+        type.
+        *values* is a list of possible values for this token. The values
+        are OR'ed together so if only one of the values matches ``True``
+        is returned. Except for keyword tokens the comparison is
+        case-sensitive. For convenience it's OK to pass in a single string.
+        If *regex* is ``True`` (default is ``False``) the given values are
+        treated as regular expressions.
+        """
+        type_matched = self.ttype is ttype
+        if not type_matched or values is None:
+            return type_matched
+
+        if isinstance(values, str):
+            values = (values,)
+
+        if regex:
+            # TODO: Add test for regex with is_keyboard = false
+            flag = re.IGNORECASE if self.is_keyword else 0
+            values = (re.compile(v, flag) for v in values)
+
+            for pattern in values:
+                if pattern.search(self.normalized):
+                    return True
+            return False
+
+        if self.is_keyword:
+            values = (v.upper() for v in values)
+
+        return self.normalized in values
+
+    def within(self, group_cls):
+        """Returns ``True`` if this token is within *group_cls*.
+
+        Use this method for example to check if an identifier is within
+        a function: ``t.within(sql.Function)``.
+        """
+        parent = self.parent
+        while parent:
+            if isinstance(parent, group_cls):
+                return True
+            parent = parent.parent
+        return False
+
+    def is_child_of(self, other):
+        """Returns ``True`` if this token is a direct child of *other*."""
+        return self.parent == other
+
+    def has_ancestor(self, other):
+        """Returns ``True`` if *other* is in this tokens ancestry."""
+        parent = self.parent
+        while parent:
+            if parent == other:
+                return True
+            parent = parent.parent
+        return False
+
+
+class TokenList(Token):
+    """A group of tokens.
+
+    It has an additional instance attribute ``tokens`` which holds a
+    list of child-tokens.
+    """
+
+    __slots__ = 'tokens'
+
+    def __init__(self, tokens=None):
+        self.tokens = tokens or []
+        [setattr(token, 'parent', self) for token in self.tokens]
+        super().__init__(None, str(self))
+        self.is_group = True
+
+    def __str__(self):
+        return ''.join(token.value for token in self.flatten())
+
+    # weird bug
+    # def __len__(self):
+    #     return len(self.tokens)
+
+    def __iter__(self):
+        return iter(self.tokens)
+
+    def __getitem__(self, item):
+        return self.tokens[item]
+
+    def _get_repr_name(self):
+        return type(self).__name__
+
+    def _pprint_tree(self, max_depth=None, depth=0, f=None, _pre=''):
+        """Pretty-print the object tree."""
+        token_count = len(self.tokens)
+        for idx, token in enumerate(self.tokens):
+            cls = token._get_repr_name()
+            value = token._get_repr_value()
+
+            last = idx == (token_count - 1)
+            pre = '`- ' if last else '|- '
+
+            q = '"' if value.startswith("'") and value.endswith("'") else "'"
+            print("{_pre}{pre}{idx} {cls} {q}{value}{q}"
+                  .format(**locals()), file=f)
+
+            if token.is_group and (max_depth is None or depth < max_depth):
+                parent_pre = '   ' if last else '|  '
+                token._pprint_tree(max_depth, depth + 1, f, _pre + parent_pre)
+
+    def get_token_at_offset(self, offset):
+        """Returns the token that is on position offset."""
+        idx = 0
+        for token in self.flatten():
+            end = idx + len(token.value)
+            if idx <= offset < end:
+                return token
+            idx = end
+
+    def flatten(self):
+        """Generator yielding ungrouped tokens.
+
+        This method is recursively called for all child tokens.
+        """
+        try:
+            for token in self.tokens:
+                if token.is_group:
+                    yield from token.flatten()
+                else:
+                    yield token
+        except RecursionError as err:
+            raise SQLParseError('Maximum recursion depth exceeded') from err
+
+    def get_sublists(self):
+        for token in self.tokens:
+            if token.is_group:
+                yield token
+
+    @property
+    def _groupable_tokens(self):
+        return self.tokens
+
+    def _token_matching(self, funcs, start=0, end=None, reverse=False):
+        """next token that match functions"""
+        if start is None:
+            return None
+
+        if not isinstance(funcs, (list, tuple)):
+            funcs = (funcs,)
+
+        if reverse:
+            assert end is None
+            indexes = range(start - 2, -1, -1)
+        else:
+            if end is None:
+                end = len(self.tokens)
+            indexes = range(start, end)
+        for idx in indexes:
+            token = self.tokens[idx]
+            for func in funcs:
+                if func(token):
+                    return idx, token
+        return None, None
+
+    def token_first(self, skip_ws=True, skip_cm=False):
+        """Returns the first child token.
+
+        If *skip_ws* is ``True`` (the default), whitespace
+        tokens are ignored.
+
+        if *skip_cm* is ``True`` (default: ``False``), comments are
+        ignored too.
+        """
+        # this on is inconsistent, using Comment instead of T.Comment...
+        def matcher(tk):
+            return not ((skip_ws and tk.is_whitespace)
+                        or (skip_cm and imt(tk, t=T.Comment, i=Comment)))
+        return self._token_matching(matcher)[1]
+
+    def token_next_by(self, i=None, m=None, t=None, idx=-1, end=None):
+        idx += 1
+        return self._token_matching(lambda tk: imt(tk, i, m, t), idx, end)
+
+    def token_not_matching(self, funcs, idx):
+        funcs = (funcs,) if not isinstance(funcs, (list, tuple)) else funcs
+        funcs = [lambda tk: not func(tk) for func in funcs]
+        return self._token_matching(funcs, idx)
+
+    def token_matching(self, funcs, idx):
+        return self._token_matching(funcs, idx)[1]
+
+    def token_prev(self, idx, skip_ws=True, skip_cm=False):
+        """Returns the previous token relative to *idx*.
+
+        If *skip_ws* is ``True`` (the default) whitespace tokens are ignored.
+        If *skip_cm* is ``True`` comments are ignored.
+        ``None`` is returned if there's no previous token.
+        """
+        return self.token_next(idx, skip_ws, skip_cm, _reverse=True)
+
+    # TODO: May need to re-add default value to idx
+    def token_next(self, idx, skip_ws=True, skip_cm=False, _reverse=False):
+        """Returns the next token relative to *idx*.
+
+        If *skip_ws* is ``True`` (the default) whitespace tokens are ignored.
+        If *skip_cm* is ``True`` comments are ignored.
+        ``None`` is returned if there's no next token.
+        """
+        if idx is None:
+            return None, None
+        idx += 1  # alot of code usage current pre-compensates for this
+
+        def matcher(tk):
+            return not ((skip_ws and tk.is_whitespace)
+                        or (skip_cm and imt(tk, t=T.Comment, i=Comment)))
+        return self._token_matching(matcher, idx, reverse=_reverse)
+
+    def token_index(self, token, start=0):
+        """Return list index of token."""
+        start = start if isinstance(start, int) else self.token_index(start)
+        return start + self.tokens[start:].index(token)
+
+    def group_tokens(self, grp_cls, start, end, include_end=True,
+                     extend=False):
+        """Replace tokens by an instance of *grp_cls*."""
+        start_idx = start
+        start = self.tokens[start_idx]
+
+        end_idx = end + include_end
+
+        # will be needed later for new group_clauses
+        # while skip_ws and tokens and tokens[-1].is_whitespace:
+        #     tokens = tokens[:-1]
+
+        if extend and isinstance(start, grp_cls):
+            subtokens = self.tokens[start_idx + 1:end_idx]
+
+            grp = start
+            grp.tokens.extend(subtokens)
+            del self.tokens[start_idx + 1:end_idx]
+            grp.value = str(start)
+        else:
+            subtokens = self.tokens[start_idx:end_idx]
+            grp = grp_cls(subtokens)
+            self.tokens[start_idx:end_idx] = [grp]
+            grp.parent = self
+
+        for token in subtokens:
+            token.parent = grp
+
+        return grp
+
+    def insert_before(self, where, token):
+        """Inserts *token* before *where*."""
+        if not isinstance(where, int):
+            where = self.token_index(where)
+        token.parent = self
+        self.tokens.insert(where, token)
+
+    def insert_after(self, where, token, skip_ws=True):
+        """Inserts *token* after *where*."""
+        if not isinstance(where, int):
+            where = self.token_index(where)
+        nidx, next_ = self.token_next(where, skip_ws=skip_ws)
+        token.parent = self
+        if next_ is None:
+            self.tokens.append(token)
+        else:
+            self.tokens.insert(nidx, token)
+
+    def has_alias(self):
+        """Returns ``True`` if an alias is present."""
+        return self.get_alias() is not None
+
+    def get_alias(self):
+        """Returns the alias for this identifier or ``None``."""
+        return None
+
+    def get_name(self):
+        """Returns the name of this identifier.
+
+        This is either it's alias or it's real name. The returned valued can
+        be considered as the name under which the object corresponding to
+        this identifier is known within the current statement.
+        """
+        return self.get_alias() or self.get_real_name()
+
+    def get_real_name(self):
+        """Returns the real name (object name) of this identifier."""
+        return None
+
+    def get_parent_name(self):
+        """Return name of the parent object if any.
+
+        A parent object is identified by the first occurring dot.
+        """
+        dot_idx, _ = self.token_next_by(m=(T.Punctuation, '.'))
+        _, prev_ = self.token_prev(dot_idx)
+        return remove_quotes(prev_.value) if prev_ is not None else None
+
+    def _get_first_name(self, idx=None, reverse=False, keywords=False,
+                        real_name=False):
+        """Returns the name of the first token with a name"""
+
+        tokens = self.tokens[idx:] if idx else self.tokens
+        tokens = reversed(tokens) if reverse else tokens
+        types = [T.Name, T.Wildcard, T.String.Symbol]
+
+        if keywords:
+            types.append(T.Keyword)
+
+        for token in tokens:
+            if token.ttype in types:
+                return remove_quotes(token.value)
+            elif isinstance(token, (Identifier, Function)):
+                return token.get_real_name() if real_name else token.get_name()
+
+
+class Statement(TokenList):
+    """Represents a SQL statement."""
+
+    def get_type(self):
+        """Returns the type of a statement.
+
+        The returned value is a string holding an upper-cased reprint of
+        the first DML or DDL keyword. If the first token in this group
+        isn't a DML or DDL keyword "UNKNOWN" is returned.
+
+        Whitespaces and comments at the beginning of the statement
+        are ignored.
+        """
+        token = self.token_first(skip_cm=True)
+        if token is None:
+            # An "empty" statement that either has not tokens at all
+            # or only whitespace tokens.
+            return 'UNKNOWN'
+
+        elif token.ttype in (T.Keyword.DML, T.Keyword.DDL):
+            return token.normalized
+
+        elif token.ttype == T.Keyword.CTE:
+            # The WITH keyword should be followed by either an Identifier or
+            # an IdentifierList containing the CTE definitions;  the actual
+            # DML keyword (e.g. SELECT, INSERT) will follow next.
+            tidx = self.token_index(token)
+            while tidx is not None:
+                tidx, token = self.token_next(tidx, skip_ws=True)
+                if isinstance(token, (Identifier, IdentifierList)):
+                    tidx, token = self.token_next(tidx, skip_ws=True)
+
+                    if token is not None \
+                            and token.ttype == T.Keyword.DML:
+                        return token.normalized
+
+        # Hmm, probably invalid syntax, so return unknown.
+        return 'UNKNOWN'
+
+
+class Identifier(NameAliasMixin, TokenList):
+    """Represents an identifier.
+
+    Identifiers may have aliases or typecasts.
+    """
+
+    def is_wildcard(self):
+        """Return ``True`` if this identifier contains a wildcard."""
+        _, token = self.token_next_by(t=T.Wildcard)
+        return token is not None
+
+    def get_typecast(self):
+        """Returns the typecast or ``None`` of this object as a string."""
+        midx, marker = self.token_next_by(m=(T.Punctuation, '::'))
+        nidx, next_ = self.token_next(midx, skip_ws=False)
+        return next_.value if next_ else None
+
+    def get_ordering(self):
+        """Returns the ordering or ``None`` as uppercase string."""
+        _, ordering = self.token_next_by(t=T.Keyword.Order)
+        return ordering.normalized if ordering else None
+
+    def get_array_indices(self):
+        """Returns an iterator of index token lists"""
+
+        for token in self.tokens:
+            if isinstance(token, SquareBrackets):
+                # Use [1:-1] index to discard the square brackets
+                yield token.tokens[1:-1]
+
+
+class IdentifierList(TokenList):
+    """A list of :class:`~sqlparse.sql.Identifier`\'s."""
+
+    def get_identifiers(self):
+        """Returns the identifiers.
+
+        Whitespaces and punctuations are not included in this generator.
+        """
+        for token in self.tokens:
+            if not (token.is_whitespace or token.match(T.Punctuation, ',')):
+                yield token
+
+
+class TypedLiteral(TokenList):
+    """A typed literal, such as "date '2001-09-28'" or "interval '2 hours'"."""
+    M_OPEN = [(T.Name.Builtin, None), (T.Keyword, "TIMESTAMP")]
+    M_CLOSE = T.String.Single, None
+    M_EXTEND = T.Keyword, ("DAY", "HOUR", "MINUTE", "MONTH", "SECOND", "YEAR")
+
+
+class Parenthesis(TokenList):
+    """Tokens between parenthesis."""
+    M_OPEN = T.Punctuation, '('
+    M_CLOSE = T.Punctuation, ')'
+
+    @property
+    def _groupable_tokens(self):
+        return self.tokens[1:-1]
+
+
+class SquareBrackets(TokenList):
+    """Tokens between square brackets"""
+    M_OPEN = T.Punctuation, '['
+    M_CLOSE = T.Punctuation, ']'
+
+    @property
+    def _groupable_tokens(self):
+        return self.tokens[1:-1]
+
+
+class Assignment(TokenList):
+    """An assignment like 'var := val;'"""
+
+
+class If(TokenList):
+    """An 'if' clause with possible 'else if' or 'else' parts."""
+    M_OPEN = T.Keyword, 'IF'
+    M_CLOSE = T.Keyword, 'END IF'
+
+
+class For(TokenList):
+    """A 'FOR' loop."""
+    M_OPEN = T.Keyword, ('FOR', 'FOREACH')
+    M_CLOSE = T.Keyword, 'END LOOP'
+
+
+class Comparison(TokenList):
+    """A comparison used for example in WHERE clauses."""
+
+    @property
+    def left(self):
+        return self.tokens[0]
+
+    @property
+    def right(self):
+        return self.tokens[-1]
+
+
+class Comment(TokenList):
+    """A comment."""
+
+    def is_multiline(self):
+        return self.tokens and self.tokens[0].ttype == T.Comment.Multiline
+
+
+class Where(TokenList):
+    """A WHERE clause."""
+    M_OPEN = T.Keyword, 'WHERE'
+    M_CLOSE = T.Keyword, (
+        'ORDER BY', 'GROUP BY', 'LIMIT', 'UNION', 'UNION ALL', 'EXCEPT',
+        'HAVING', 'RETURNING', 'INTO')
+
+
+class Over(TokenList):
+    """An OVER clause."""
+    M_OPEN = T.Keyword, 'OVER'
+
+
+class Having(TokenList):
+    """A HAVING clause."""
+    M_OPEN = T.Keyword, 'HAVING'
+    M_CLOSE = T.Keyword, ('ORDER BY', 'LIMIT')
+
+
+class Case(TokenList):
+    """A CASE statement with one or more WHEN and possibly an ELSE part."""
+    M_OPEN = T.Keyword, 'CASE'
+    M_CLOSE = T.Keyword, 'END'
+
+    def get_cases(self, skip_ws=False):
+        """Returns a list of 2-tuples (condition, value).
+
+        If an ELSE exists condition is None.
+        """
+        CONDITION = 1
+        VALUE = 2
+
+        ret = []
+        mode = CONDITION
+
+        for token in self.tokens:
+            # Set mode from the current statement
+            if token.match(T.Keyword, 'CASE'):
+                continue
+
+            elif skip_ws and token.ttype in T.Whitespace:
+                continue
+
+            elif token.match(T.Keyword, 'WHEN'):
+                ret.append(([], []))
+                mode = CONDITION
+
+            elif token.match(T.Keyword, 'THEN'):
+                mode = VALUE
+
+            elif token.match(T.Keyword, 'ELSE'):
+                ret.append((None, []))
+                mode = VALUE
+
+            elif token.match(T.Keyword, 'END'):
+                mode = None
+
+            # First condition without preceding WHEN
+            if mode and not ret:
+                ret.append(([], []))
+
+            # Append token depending of the current mode
+            if mode == CONDITION:
+                ret[-1][0].append(token)
+
+            elif mode == VALUE:
+                ret[-1][1].append(token)
+
+        # Return cases list
+        return ret
+
+
+class Function(NameAliasMixin, TokenList):
+    """A function or procedure call."""
+
+    def get_parameters(self):
+        """Return a list of parameters."""
+        parenthesis = self.token_next_by(i=Parenthesis)[1]
+        result = []
+        for token in parenthesis.tokens:
+            if isinstance(token, IdentifierList):
+                return token.get_identifiers()
+            elif imt(token, i=(Function, Identifier, TypedLiteral),
+                     t=T.Literal):
+                result.append(token)
+        return result
+
+    def get_window(self):
+        """Return the window if it exists."""
+        over_clause = self.token_next_by(i=Over)
+        if not over_clause:
+            return None
+        return over_clause[1].tokens[-1]
+
+
+class Begin(TokenList):
+    """A BEGIN/END block."""
+    M_OPEN = T.Keyword, 'BEGIN'
+    M_CLOSE = T.Keyword, 'END'
+
+
+class Operation(TokenList):
+    """Grouping of operations"""
+
+
+class Values(TokenList):
+    """Grouping of values"""
+
+
+class Command(TokenList):
+    """Grouping of CLI commands."""
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/tokens.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/tokens.py
new file mode 100644
index 00000000..143f66b4
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/tokens.py
@@ -0,0 +1,71 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+#
+# The Token implementation is based on pygment's token system written
+# by Georg Brandl.
+# http://pygments.org/
+
+"""Tokens"""
+
+
+class _TokenType(tuple):
+    parent = None
+
+    def __contains__(self, item):
+        return item is not None and (self is item or item[:len(self)] == self)
+
+    def __getattr__(self, name):
+        # don't mess with dunder
+        if name.startswith('__'):
+            return super().__getattr__(self, name)
+        new = _TokenType(self + (name,))
+        setattr(self, name, new)
+        new.parent = self
+        return new
+
+    def __repr__(self):
+        # self can be False only if its the `root` i.e. Token itself
+        return 'Token' + ('.' if self else '') + '.'.join(self)
+
+
+Token = _TokenType()
+
+# Special token types
+Text = Token.Text
+Whitespace = Text.Whitespace
+Newline = Whitespace.Newline
+Error = Token.Error
+# Text that doesn't belong to this lexer (e.g. HTML in PHP)
+Other = Token.Other
+
+# Common token types for source code
+Keyword = Token.Keyword
+Name = Token.Name
+Literal = Token.Literal
+String = Literal.String
+Number = Literal.Number
+Punctuation = Token.Punctuation
+Operator = Token.Operator
+Comparison = Operator.Comparison
+Wildcard = Token.Wildcard
+Comment = Token.Comment
+Assignment = Token.Assignment
+
+# Generic types for non-source code
+Generic = Token.Generic
+Command = Generic.Command
+
+# String and some others are not direct children of Token.
+# alias them:
+Token.Token = Token
+Token.String = String
+Token.Number = Number
+
+# SQL specific tokens
+DML = Keyword.DML
+DDL = Keyword.DDL
+CTE = Keyword.CTE
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/utils.py b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/utils.py
new file mode 100644
index 00000000..58c0245a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/sqlparse/utils.py
@@ -0,0 +1,124 @@
+#
+# Copyright (C) 2009-2020 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+import itertools
+import re
+from collections import deque
+from contextlib import contextmanager
+
+# This regular expression replaces the home-cooked parser that was here before.
+# It is much faster, but requires an extra post-processing step to get the
+# desired results (that are compatible with what you would expect from the
+# str.splitlines() method).
+#
+# It matches groups of characters: newlines, quoted strings, or unquoted text,
+# and splits on that basis. The post-processing step puts those back together
+# into the actual lines of SQL.
+SPLIT_REGEX = re.compile(r"""
+(
+ (?:                     # Start of non-capturing group
+  (?:\r\n|\r|\n)      |  # Match any single newline, or
+  [^\r\n'"]+          |  # Match any character series without quotes or
+                         # newlines, or
+  "(?:[^"\\]|\\.)*"   |  # Match double-quoted strings, or
+  '(?:[^'\\]|\\.)*'      # Match single quoted strings
+ )
+)
+""", re.VERBOSE)
+
+LINE_MATCH = re.compile(r'(\r\n|\r|\n)')
+
+
+def split_unquoted_newlines(stmt):
+    """Split a string on all unquoted newlines.
+
+    Unlike str.splitlines(), this will ignore CR/LF/CR+LF if the requisite
+    character is inside of a string."""
+    text = str(stmt)
+    lines = SPLIT_REGEX.split(text)
+    outputlines = ['']
+    for line in lines:
+        if not line:
+            continue
+        elif LINE_MATCH.match(line):
+            outputlines.append('')
+        else:
+            outputlines[-1] += line
+    return outputlines
+
+
+def remove_quotes(val):
+    """Helper that removes surrounding quotes from strings."""
+    if val is None:
+        return
+    if val[0] in ('"', "'", '`') and val[0] == val[-1]:
+        val = val[1:-1]
+    return val
+
+
+def recurse(*cls):
+    """Function decorator to help with recursion
+
+    :param cls: Classes to not recurse over
+    :return: function
+    """
+    def wrap(f):
+        def wrapped_f(tlist):
+            for sgroup in tlist.get_sublists():
+                if not isinstance(sgroup, cls):
+                    wrapped_f(sgroup)
+            f(tlist)
+
+        return wrapped_f
+
+    return wrap
+
+
+def imt(token, i=None, m=None, t=None):
+    """Helper function to simplify comparisons Instance, Match and TokenType
+    :param token:
+    :param i: Class or Tuple/List of Classes
+    :param m: Tuple of TokenType & Value. Can be list of Tuple for multiple
+    :param t: TokenType or Tuple/List of TokenTypes
+    :return:  bool
+    """
+    if token is None:
+        return False
+    if i and isinstance(token, i):
+        return True
+    if m:
+        if isinstance(m, list):
+            if any(token.match(*pattern) for pattern in m):
+                return True
+        elif token.match(*m):
+            return True
+    if t:
+        if isinstance(t, list):
+            if any(token.ttype in ttype for ttype in t):
+                return True
+        elif token.ttype in t:
+            return True
+    return False
+
+
+def consume(iterator, n):
+    """Advance the iterator n-steps ahead. If n is none, consume entirely."""
+    deque(itertools.islice(iterator, n), maxlen=0)
+
+
+@contextmanager
+def offset(filter_, n=0):
+    filter_.offset += n
+    yield
+    filter_.offset -= n
+
+
+@contextmanager
+def indent(filter_, n=1):
+    filter_.indent += n
+    yield
+    filter_.indent -= n
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/INSTALLER b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/INSTALLER
new file mode 100644
index 00000000..a1b589e3
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/LICENSE b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/LICENSE
new file mode 100644
index 00000000..c2f84aeb
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/LICENSE
@@ -0,0 +1,15 @@
+Apache Software License 2.0
+
+Copyright (c) 2020, Paul Ganssle (Google)
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/LICENSE_APACHE b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/LICENSE_APACHE
new file mode 100644
index 00000000..261eeb9e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/LICENSE_APACHE
@@ -0,0 +1,201 @@
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/METADATA b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/METADATA
new file mode 100644
index 00000000..5ca4be31
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/METADATA
@@ -0,0 +1,33 @@
+Metadata-Version: 2.1
+Name: tzdata
+Version: 2024.1
+Summary: Provider of IANA time zone data
+Home-page: https://github.com/python/tzdata
+Author: Python Software Foundation
+Author-email: datetime-sig@python.org
+License: Apache-2.0
+Project-URL: Bug Reports, https://github.com/python/tzdata/issues
+Project-URL: Source, https://github.com/python/tzdata
+Project-URL: Documentation, https://tzdata.readthedocs.io
+Classifier: Development Status :: 4 - Beta
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: Apache Software License
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 3
+Requires-Python: >=2
+Description-Content-Type: text/x-rst
+License-File: LICENSE
+License-File: licenses/LICENSE_APACHE
+
+tzdata: Python package providing IANA time zone data
+====================================================
+
+This is a Python package containing ``zic``-compiled binaries for the IANA time
+zone database. It is intended to be a fallback for systems that do not have
+system time zone data installed (or don't have it installed in a standard
+location), as a part of `PEP 615 <https://www.python.org/dev/peps/pep-0615/>`_
+
+This repository generates a ``pip``-installable package, published on PyPI as
+`tzdata <https://pypi.org/project/tzdata>`_.
+
+For more information, see `the documentation <https://tzdata.readthedocs.io>`_.
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/RECORD b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/RECORD
new file mode 100644
index 00000000..1aeeb88c
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/RECORD
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/WHEEL b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/WHEEL
new file mode 100644
index 00000000..4724c457
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/WHEEL
@@ -0,0 +1,6 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.42.0)
+Root-Is-Purelib: true
+Tag: py2-none-any
+Tag: py3-none-any
+
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/top_level.txt b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/top_level.txt
new file mode 100644
index 00000000..0883ff07
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata-2024.1.dist-info/top_level.txt
@@ -0,0 +1 @@
+tzdata
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/__init__.py b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/__init__.py
new file mode 100644
index 00000000..b319ed55
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/__init__.py
@@ -0,0 +1,6 @@
+# IANA versions like 2020a are not valid PEP 440 identifiers; the recommended
+# way to translate the version is to use YYYY.n where `n` is a 0-based index.
+__version__ = "2024.1"
+
+# This exposes the original IANA version number.
+IANA_VERSION = "2024a"
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/W-SU b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/W-SU
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diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/iso3166.tab b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/iso3166.tab
new file mode 100644
index 00000000..402c015e
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/iso3166.tab
@@ -0,0 +1,279 @@
+# ISO 3166 alpha-2 country codes
+#
+# This file is in the public domain, so clarified as of
+# 2009-05-17 by Arthur David Olson.
+#
+# From Paul Eggert (2023-09-06):
+# This file contains a table of two-letter country codes.  Columns are
+# separated by a single tab.  Lines beginning with '#' are comments.
+# All text uses UTF-8 encoding.  The columns of the table are as follows:
+#
+# 1.  ISO 3166-1 alpha-2 country code, current as of
+#     ISO/TC 46 N1108 (2023-04-05).  See: ISO/TC 46 Documents
+#     https://www.iso.org/committee/48750.html?view=documents
+# 2.  The usual English name for the coded region.  This sometimes
+#     departs from ISO-listed names, sometimes so that sorted subsets
+#     of names are useful (e.g., "Samoa (American)" and "Samoa
+#     (western)" rather than "American Samoa" and "Samoa"),
+#     sometimes to avoid confusion among non-experts (e.g.,
+#     "Czech Republic" and "Turkey" rather than "Czechia" and "Türkiye"),
+#     and sometimes to omit needless detail or churn (e.g., "Netherlands"
+#     rather than "Netherlands (the)" or "Netherlands (Kingdom of the)").
+#
+# The table is sorted by country code.
+#
+# This table is intended as an aid for users, to help them select time
+# zone data appropriate for their practical needs.  It is not intended
+# to take or endorse any position on legal or territorial claims.
+#
+#country-
+#code	name of country, territory, area, or subdivision
+AD	Andorra
+AE	United Arab Emirates
+AF	Afghanistan
+AG	Antigua & Barbuda
+AI	Anguilla
+AL	Albania
+AM	Armenia
+AO	Angola
+AQ	Antarctica
+AR	Argentina
+AS	Samoa (American)
+AT	Austria
+AU	Australia
+AW	Aruba
+AX	Åland Islands
+AZ	Azerbaijan
+BA	Bosnia & Herzegovina
+BB	Barbados
+BD	Bangladesh
+BE	Belgium
+BF	Burkina Faso
+BG	Bulgaria
+BH	Bahrain
+BI	Burundi
+BJ	Benin
+BL	St Barthelemy
+BM	Bermuda
+BN	Brunei
+BO	Bolivia
+BQ	Caribbean NL
+BR	Brazil
+BS	Bahamas
+BT	Bhutan
+BV	Bouvet Island
+BW	Botswana
+BY	Belarus
+BZ	Belize
+CA	Canada
+CC	Cocos (Keeling) Islands
+CD	Congo (Dem. Rep.)
+CF	Central African Rep.
+CG	Congo (Rep.)
+CH	Switzerland
+CI	Côte d'Ivoire
+CK	Cook Islands
+CL	Chile
+CM	Cameroon
+CN	China
+CO	Colombia
+CR	Costa Rica
+CU	Cuba
+CV	Cape Verde
+CW	Curaçao
+CX	Christmas Island
+CY	Cyprus
+CZ	Czech Republic
+DE	Germany
+DJ	Djibouti
+DK	Denmark
+DM	Dominica
+DO	Dominican Republic
+DZ	Algeria
+EC	Ecuador
+EE	Estonia
+EG	Egypt
+EH	Western Sahara
+ER	Eritrea
+ES	Spain
+ET	Ethiopia
+FI	Finland
+FJ	Fiji
+FK	Falkland Islands
+FM	Micronesia
+FO	Faroe Islands
+FR	France
+GA	Gabon
+GB	Britain (UK)
+GD	Grenada
+GE	Georgia
+GF	French Guiana
+GG	Guernsey
+GH	Ghana
+GI	Gibraltar
+GL	Greenland
+GM	Gambia
+GN	Guinea
+GP	Guadeloupe
+GQ	Equatorial Guinea
+GR	Greece
+GS	South Georgia & the South Sandwich Islands
+GT	Guatemala
+GU	Guam
+GW	Guinea-Bissau
+GY	Guyana
+HK	Hong Kong
+HM	Heard Island & McDonald Islands
+HN	Honduras
+HR	Croatia
+HT	Haiti
+HU	Hungary
+ID	Indonesia
+IE	Ireland
+IL	Israel
+IM	Isle of Man
+IN	India
+IO	British Indian Ocean Territory
+IQ	Iraq
+IR	Iran
+IS	Iceland
+IT	Italy
+JE	Jersey
+JM	Jamaica
+JO	Jordan
+JP	Japan
+KE	Kenya
+KG	Kyrgyzstan
+KH	Cambodia
+KI	Kiribati
+KM	Comoros
+KN	St Kitts & Nevis
+KP	Korea (North)
+KR	Korea (South)
+KW	Kuwait
+KY	Cayman Islands
+KZ	Kazakhstan
+LA	Laos
+LB	Lebanon
+LC	St Lucia
+LI	Liechtenstein
+LK	Sri Lanka
+LR	Liberia
+LS	Lesotho
+LT	Lithuania
+LU	Luxembourg
+LV	Latvia
+LY	Libya
+MA	Morocco
+MC	Monaco
+MD	Moldova
+ME	Montenegro
+MF	St Martin (French)
+MG	Madagascar
+MH	Marshall Islands
+MK	North Macedonia
+ML	Mali
+MM	Myanmar (Burma)
+MN	Mongolia
+MO	Macau
+MP	Northern Mariana Islands
+MQ	Martinique
+MR	Mauritania
+MS	Montserrat
+MT	Malta
+MU	Mauritius
+MV	Maldives
+MW	Malawi
+MX	Mexico
+MY	Malaysia
+MZ	Mozambique
+NA	Namibia
+NC	New Caledonia
+NE	Niger
+NF	Norfolk Island
+NG	Nigeria
+NI	Nicaragua
+NL	Netherlands
+NO	Norway
+NP	Nepal
+NR	Nauru
+NU	Niue
+NZ	New Zealand
+OM	Oman
+PA	Panama
+PE	Peru
+PF	French Polynesia
+PG	Papua New Guinea
+PH	Philippines
+PK	Pakistan
+PL	Poland
+PM	St Pierre & Miquelon
+PN	Pitcairn
+PR	Puerto Rico
+PS	Palestine
+PT	Portugal
+PW	Palau
+PY	Paraguay
+QA	Qatar
+RE	Réunion
+RO	Romania
+RS	Serbia
+RU	Russia
+RW	Rwanda
+SA	Saudi Arabia
+SB	Solomon Islands
+SC	Seychelles
+SD	Sudan
+SE	Sweden
+SG	Singapore
+SH	St Helena
+SI	Slovenia
+SJ	Svalbard & Jan Mayen
+SK	Slovakia
+SL	Sierra Leone
+SM	San Marino
+SN	Senegal
+SO	Somalia
+SR	Suriname
+SS	South Sudan
+ST	Sao Tome & Principe
+SV	El Salvador
+SX	St Maarten (Dutch)
+SY	Syria
+SZ	Eswatini (Swaziland)
+TC	Turks & Caicos Is
+TD	Chad
+TF	French S. Terr.
+TG	Togo
+TH	Thailand
+TJ	Tajikistan
+TK	Tokelau
+TL	East Timor
+TM	Turkmenistan
+TN	Tunisia
+TO	Tonga
+TR	Turkey
+TT	Trinidad & Tobago
+TV	Tuvalu
+TW	Taiwan
+TZ	Tanzania
+UA	Ukraine
+UG	Uganda
+UM	US minor outlying islands
+US	United States
+UY	Uruguay
+UZ	Uzbekistan
+VA	Vatican City
+VC	St Vincent
+VE	Venezuela
+VG	Virgin Islands (UK)
+VI	Virgin Islands (US)
+VN	Vietnam
+VU	Vanuatu
+WF	Wallis & Futuna
+WS	Samoa (western)
+YE	Yemen
+YT	Mayotte
+ZA	South Africa
+ZM	Zambia
+ZW	Zimbabwe
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/leapseconds b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/leapseconds
new file mode 100644
index 00000000..ce150bfe
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/leapseconds
@@ -0,0 +1,79 @@
+# Allowance for leap seconds added to each time zone file.
+
+# This file is in the public domain.
+
+# This file is generated automatically from the data in the public-domain
+# NIST/IERS format leap-seconds.list file, which can be copied from
+# <https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list>
+# or, in a variant with different comments, from
+# <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>.
+# For more about leap-seconds.list, please see
+# The NTP Timescale and Leap Seconds
+# <https://www.eecis.udel.edu/~mills/leap.html>.
+
+# The rules for leap seconds are specified in Annex 1 (Time scales) of:
+# Standard-frequency and time-signal emissions.
+# International Telecommunication Union - Radiocommunication Sector
+# (ITU-R) Recommendation TF.460-6 (02/2002)
+# <https://www.itu.int/rec/R-REC-TF.460-6-200202-I/>.
+# The International Earth Rotation and Reference Systems Service (IERS)
+# periodically uses leap seconds to keep UTC to within 0.9 s of UT1
+# (a proxy for Earth's angle in space as measured by astronomers)
+# and publishes leap second data in a copyrighted file
+# <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>.
+# See: Levine J. Coordinated Universal Time and the leap second.
+# URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995
+# <https://ieeexplore.ieee.org/document/7909995>.
+
+# There were no leap seconds before 1972, as no official mechanism
+# accounted for the discrepancy between atomic time (TAI) and the earth's
+# rotation.  The first ("1 Jan 1972") data line in leap-seconds.list
+# does not denote a leap second; it denotes the start of the current definition
+# of UTC.
+
+# All leap-seconds are Stationary (S) at the given UTC time.
+# The correction (+ or -) is made at the given time, so in the unlikely
+# event of a negative leap second, a line would look like this:
+# Leap	YEAR	MON	DAY	23:59:59	-	S
+# Typical lines look like this:
+# Leap	YEAR	MON	DAY	23:59:60	+	S
+Leap	1972	Jun	30	23:59:60	+	S
+Leap	1972	Dec	31	23:59:60	+	S
+Leap	1973	Dec	31	23:59:60	+	S
+Leap	1974	Dec	31	23:59:60	+	S
+Leap	1975	Dec	31	23:59:60	+	S
+Leap	1976	Dec	31	23:59:60	+	S
+Leap	1977	Dec	31	23:59:60	+	S
+Leap	1978	Dec	31	23:59:60	+	S
+Leap	1979	Dec	31	23:59:60	+	S
+Leap	1981	Jun	30	23:59:60	+	S
+Leap	1982	Jun	30	23:59:60	+	S
+Leap	1983	Jun	30	23:59:60	+	S
+Leap	1985	Jun	30	23:59:60	+	S
+Leap	1987	Dec	31	23:59:60	+	S
+Leap	1989	Dec	31	23:59:60	+	S
+Leap	1990	Dec	31	23:59:60	+	S
+Leap	1992	Jun	30	23:59:60	+	S
+Leap	1993	Jun	30	23:59:60	+	S
+Leap	1994	Jun	30	23:59:60	+	S
+Leap	1995	Dec	31	23:59:60	+	S
+Leap	1997	Jun	30	23:59:60	+	S
+Leap	1998	Dec	31	23:59:60	+	S
+Leap	2005	Dec	31	23:59:60	+	S
+Leap	2008	Dec	31	23:59:60	+	S
+Leap	2012	Jun	30	23:59:60	+	S
+Leap	2015	Jun	30	23:59:60	+	S
+Leap	2016	Dec	31	23:59:60	+	S
+
+# UTC timestamp when this leap second list expires.
+# Any additional leap seconds will come after this.
+# This Expires line is commented out for now,
+# so that pre-2020a zic implementations do not reject this file.
+#Expires 2024	Dec	28	00:00:00
+
+# POSIX timestamps for the data in this file:
+#updated 1704708379 (2024-01-08 10:06:19 UTC)
+#expires 1735344000 (2024-12-28 00:00:00 UTC)
+
+#	Updated through IERS Bulletin C (https://hpiers.obspm.fr/iers/bul/bulc/bulletinc.dat)
+#	File expires on 28 December 2024
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/tzdata.zi b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/tzdata.zi
new file mode 100644
index 00000000..be1c4085
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/tzdata.zi
@@ -0,0 +1,4294 @@
+# version 2024a
+# This zic input file is in the public domain.
+R d 1916 o - Jun 14 23s 1 S
+R d 1916 1919 - O Su>=1 23s 0 -
+R d 1917 o - Mar 24 23s 1 S
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+R d 1920 o - O 23 23s 0 -
+R d 1921 o - Mar 14 23s 1 S
+R d 1921 o - Jun 21 23s 0 -
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+R d 1971 o - S 26 23s 0 -
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+R K 1995 2005 - S lastTh 24 0 -
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+R K 2010 o - S 9 24 1 S
+R K 2010 o - S lastTh 24 0 -
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+R K 2014 o - Jun 26 24 0 -
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+R K 2014 o - S lastTh 24 0 -
+R K 2023 ma - Ap lastF 0 1 S
+R K 2023 ma - O lastTh 24 0 -
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+R L 2013 o - Mar lastF 1 1 S
+R L 2013 o - O lastF 2 0 -
+R MU 1982 o - O 10 0 1 -
+R MU 1983 o - Mar 21 0 0 -
+R MU 2008 o - O lastSu 2 1 -
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+R M 1939 o - S 12 0 1 -
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+R M 1978 o - Au 4 0 0 -
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+R M 2009 o - Au 21 0 0 -
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+R M 2010 o - Au 8 0 0 -
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+R M 2011 o - Jul 31 0 0 -
+R M 2012 2013 - Ap lastSu 2 1 -
+R M 2012 o - Jul 20 3 0 -
+R M 2012 o - Au 20 2 1 -
+R M 2012 o - S 30 3 0 -
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+R M 2013 o - Au 10 2 1 -
+R M 2013 2018 - O lastSu 3 0 -
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+R M 2014 o - Jun 28 3 0 -
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+R M 2015 o - Jun 14 3 0 -
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+R M 2018 o - May 13 3 0 -
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+R M 2019 o - May 5 3 -1 -
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+R M 2045 o - Jul 9 3 -1 -
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+R M 2054 o - May 10 2 0 -
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+R M 2059 o - F 9 3 -1 -
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+R M 2062 o - F 12 2 0 -
+R M 2062 o - D 31 3 -1 -
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+R M 2066 o - N 14 3 -1 -
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+R M 2075 o - Au 11 3 -1 -
+R M 2075 o - S 15 2 0 -
+R M 2076 o - Jul 26 3 -1 -
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+R M 2083 o - May 16 3 -1 -
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+R M 2087 o - Mar 30 3 -1 -
+R M 2087 o - May 11 2 0 -
+R NA 1994 o - Mar 21 0 -1 WAT
+R NA 1994 2017 - S Su>=1 2 0 CAT
+R NA 1995 2017 - Ap Su>=1 2 -1 WAT
+R SA 1942 1943 - S Su>=15 2 1 -
+R SA 1943 1944 - Mar Su>=15 2 0 -
+R SD 1970 o - May 1 0 1 S
+R SD 1970 1985 - O 15 0 0 -
+R SD 1971 o - Ap 30 0 1 S
+R SD 1972 1985 - Ap lastSu 0 1 S
+R n 1939 o - Ap 15 23s 1 S
+R n 1939 o - N 18 23s 0 -
+R n 1940 o - F 25 23s 1 S
+R n 1941 o - O 6 0 0 -
+R n 1942 o - Mar 9 0 1 S
+R n 1942 o - N 2 3 0 -
+R n 1943 o - Mar 29 2 1 S
+R n 1943 o - Ap 17 2 0 -
+R n 1943 o - Ap 25 2 1 S
+R n 1943 o - O 4 2 0 -
+R n 1944 1945 - Ap M>=1 2 1 S
+R n 1944 o - O 8 0 0 -
+R n 1945 o - S 16 0 0 -
+R n 1977 o - Ap 30 0s 1 S
+R n 1977 o - S 24 0s 0 -
+R n 1978 o - May 1 0s 1 S
+R n 1978 o - O 1 0s 0 -
+R n 1988 o - Jun 1 0s 1 S
+R n 1988 1990 - S lastSu 0s 0 -
+R n 1989 o - Mar 26 0s 1 S
+R n 1990 o - May 1 0s 1 S
+R n 2005 o - May 1 0s 1 S
+R n 2005 o - S 30 1s 0 -
+R n 2006 2008 - Mar lastSu 2s 1 S
+R n 2006 2008 - O lastSu 2s 0 -
+R Tr 2005 ma - Mar lastSu 1u 2 +02
+R Tr 2004 ma - O lastSu 1u 0 +00
+R AM 2011 o - Mar lastSu 2s 1 -
+R AM 2011 o - O lastSu 2s 0 -
+R AZ 1997 2015 - Mar lastSu 4 1 -
+R AZ 1997 2015 - O lastSu 5 0 -
+R BD 2009 o - Jun 19 23 1 -
+R BD 2009 o - D 31 24 0 -
+R Sh 1919 o - Ap 12 24 1 D
+R Sh 1919 o - S 30 24 0 S
+R Sh 1940 o - Jun 1 0 1 D
+R Sh 1940 o - O 12 24 0 S
+R Sh 1941 o - Mar 15 0 1 D
+R Sh 1941 o - N 1 24 0 S
+R Sh 1942 o - Ja 31 0 1 D
+R Sh 1945 o - S 1 24 0 S
+R Sh 1946 o - May 15 0 1 D
+R Sh 1946 o - S 30 24 0 S
+R Sh 1947 o - Ap 15 0 1 D
+R Sh 1947 o - O 31 24 0 S
+R Sh 1948 1949 - May 1 0 1 D
+R Sh 1948 1949 - S 30 24 0 S
+R CN 1986 o - May 4 2 1 D
+R CN 1986 1991 - S Su>=11 2 0 S
+R CN 1987 1991 - Ap Su>=11 2 1 D
+R HK 1946 o - Ap 21 0 1 S
+R HK 1946 o - D 1 3:30s 0 -
+R HK 1947 o - Ap 13 3:30s 1 S
+R HK 1947 o - N 30 3:30s 0 -
+R HK 1948 o - May 2 3:30s 1 S
+R HK 1948 1952 - O Su>=28 3:30s 0 -
+R HK 1949 1953 - Ap Su>=1 3:30 1 S
+R HK 1953 1964 - O Su>=31 3:30 0 -
+R HK 1954 1964 - Mar Su>=18 3:30 1 S
+R HK 1965 1976 - Ap Su>=16 3:30 1 S
+R HK 1965 1976 - O Su>=16 3:30 0 -
+R HK 1973 o - D 30 3:30 1 S
+R HK 1979 o - May 13 3:30 1 S
+R HK 1979 o - O 21 3:30 0 -
+R f 1946 o - May 15 0 1 D
+R f 1946 o - O 1 0 0 S
+R f 1947 o - Ap 15 0 1 D
+R f 1947 o - N 1 0 0 S
+R f 1948 1951 - May 1 0 1 D
+R f 1948 1951 - O 1 0 0 S
+R f 1952 o - Mar 1 0 1 D
+R f 1952 1954 - N 1 0 0 S
+R f 1953 1959 - Ap 1 0 1 D
+R f 1955 1961 - O 1 0 0 S
+R f 1960 1961 - Jun 1 0 1 D
+R f 1974 1975 - Ap 1 0 1 D
+R f 1974 1975 - O 1 0 0 S
+R f 1979 o - Jul 1 0 1 D
+R f 1979 o - O 1 0 0 S
+R _ 1942 1943 - Ap 30 23 1 -
+R _ 1942 o - N 17 23 0 -
+R _ 1943 o - S 30 23 0 S
+R _ 1946 o - Ap 30 23s 1 D
+R _ 1946 o - S 30 23s 0 S
+R _ 1947 o - Ap 19 23s 1 D
+R _ 1947 o - N 30 23s 0 S
+R _ 1948 o - May 2 23s 1 D
+R _ 1948 o - O 31 23s 0 S
+R _ 1949 1950 - Ap Sa>=1 23s 1 D
+R _ 1949 1950 - O lastSa 23s 0 S
+R _ 1951 o - Mar 31 23s 1 D
+R _ 1951 o - O 28 23s 0 S
+R _ 1952 1953 - Ap Sa>=1 23s 1 D
+R _ 1952 o - N 1 23s 0 S
+R _ 1953 1954 - O lastSa 23s 0 S
+R _ 1954 1956 - Mar Sa>=17 23s 1 D
+R _ 1955 o - N 5 23s 0 S
+R _ 1956 1964 - N Su>=1 3:30 0 S
+R _ 1957 1964 - Mar Su>=18 3:30 1 D
+R _ 1965 1973 - Ap Su>=16 3:30 1 D
+R _ 1965 1966 - O Su>=16 2:30 0 S
+R _ 1967 1976 - O Su>=16 3:30 0 S
+R _ 1973 o - D 30 3:30 1 D
+R _ 1975 1976 - Ap Su>=16 3:30 1 D
+R _ 1979 o - May 13 3:30 1 D
+R _ 1979 o - O Su>=16 3:30 0 S
+R CY 1975 o - Ap 13 0 1 S
+R CY 1975 o - O 12 0 0 -
+R CY 1976 o - May 15 0 1 S
+R CY 1976 o - O 11 0 0 -
+R CY 1977 1980 - Ap Su>=1 0 1 S
+R CY 1977 o - S 25 0 0 -
+R CY 1978 o - O 2 0 0 -
+R CY 1979 1997 - S lastSu 0 0 -
+R CY 1981 1998 - Mar lastSu 0 1 S
+R i 1910 o - Ja 1 0 0 -
+R i 1977 o - Mar 21 23 1 -
+R i 1977 o - O 20 24 0 -
+R i 1978 o - Mar 24 24 1 -
+R i 1978 o - Au 5 1 0 -
+R i 1979 o - May 26 24 1 -
+R i 1979 o - S 18 24 0 -
+R i 1980 o - Mar 20 24 1 -
+R i 1980 o - S 22 24 0 -
+R i 1991 o - May 2 24 1 -
+R i 1992 1995 - Mar 21 24 1 -
+R i 1991 1995 - S 21 24 0 -
+R i 1996 o - Mar 20 24 1 -
+R i 1996 o - S 20 24 0 -
+R i 1997 1999 - Mar 21 24 1 -
+R i 1997 1999 - S 21 24 0 -
+R i 2000 o - Mar 20 24 1 -
+R i 2000 o - S 20 24 0 -
+R i 2001 2003 - Mar 21 24 1 -
+R i 2001 2003 - S 21 24 0 -
+R i 2004 o - Mar 20 24 1 -
+R i 2004 o - S 20 24 0 -
+R i 2005 o - Mar 21 24 1 -
+R i 2005 o - S 21 24 0 -
+R i 2008 o - Mar 20 24 1 -
+R i 2008 o - S 20 24 0 -
+R i 2009 2011 - Mar 21 24 1 -
+R i 2009 2011 - S 21 24 0 -
+R i 2012 o - Mar 20 24 1 -
+R i 2012 o - S 20 24 0 -
+R i 2013 2015 - Mar 21 24 1 -
+R i 2013 2015 - S 21 24 0 -
+R i 2016 o - Mar 20 24 1 -
+R i 2016 o - S 20 24 0 -
+R i 2017 2019 - Mar 21 24 1 -
+R i 2017 2019 - S 21 24 0 -
+R i 2020 o - Mar 20 24 1 -
+R i 2020 o - S 20 24 0 -
+R i 2021 2022 - Mar 21 24 1 -
+R i 2021 2022 - S 21 24 0 -
+R IQ 1982 o - May 1 0 1 -
+R IQ 1982 1984 - O 1 0 0 -
+R IQ 1983 o - Mar 31 0 1 -
+R IQ 1984 1985 - Ap 1 0 1 -
+R IQ 1985 1990 - S lastSu 1s 0 -
+R IQ 1986 1990 - Mar lastSu 1s 1 -
+R IQ 1991 2007 - Ap 1 3s 1 -
+R IQ 1991 2007 - O 1 3s 0 -
+R Z 1940 o - May 31 24u 1 D
+R Z 1940 o - S 30 24u 0 S
+R Z 1940 o - N 16 24u 1 D
+R Z 1942 1946 - O 31 24u 0 S
+R Z 1943 1944 - Mar 31 24u 1 D
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+R Z 1948 o - May 22 24u 2 DD
+R Z 1948 o - Au 31 24u 1 D
+R Z 1948 1949 - O 31 24u 0 S
+R Z 1949 o - Ap 30 24u 1 D
+R Z 1950 o - Ap 15 24u 1 D
+R Z 1950 o - S 14 24u 0 S
+R Z 1951 o - Mar 31 24u 1 D
+R Z 1951 o - N 10 24u 0 S
+R Z 1952 o - Ap 19 24u 1 D
+R Z 1952 o - O 18 24u 0 S
+R Z 1953 o - Ap 11 24u 1 D
+R Z 1953 o - S 12 24u 0 S
+R Z 1954 o - Jun 12 24u 1 D
+R Z 1954 o - S 11 24u 0 S
+R Z 1955 o - Jun 11 24u 1 D
+R Z 1955 o - S 10 24u 0 S
+R Z 1956 o - Jun 2 24u 1 D
+R Z 1956 o - S 29 24u 0 S
+R Z 1957 o - Ap 27 24u 1 D
+R Z 1957 o - S 21 24u 0 S
+R Z 1974 o - Jul 6 24 1 D
+R Z 1974 o - O 12 24 0 S
+R Z 1975 o - Ap 19 24 1 D
+R Z 1975 o - Au 30 24 0 S
+R Z 1980 o - Au 2 24s 1 D
+R Z 1980 o - S 13 24s 0 S
+R Z 1984 o - May 5 24s 1 D
+R Z 1984 o - Au 25 24s 0 S
+R Z 1985 o - Ap 13 24 1 D
+R Z 1985 o - Au 31 24 0 S
+R Z 1986 o - May 17 24 1 D
+R Z 1986 o - S 6 24 0 S
+R Z 1987 o - Ap 14 24 1 D
+R Z 1987 o - S 12 24 0 S
+R Z 1988 o - Ap 9 24 1 D
+R Z 1988 o - S 3 24 0 S
+R Z 1989 o - Ap 29 24 1 D
+R Z 1989 o - S 2 24 0 S
+R Z 1990 o - Mar 24 24 1 D
+R Z 1990 o - Au 25 24 0 S
+R Z 1991 o - Mar 23 24 1 D
+R Z 1991 o - Au 31 24 0 S
+R Z 1992 o - Mar 28 24 1 D
+R Z 1992 o - S 5 24 0 S
+R Z 1993 o - Ap 2 0 1 D
+R Z 1993 o - S 5 0 0 S
+R Z 1994 o - Ap 1 0 1 D
+R Z 1994 o - Au 28 0 0 S
+R Z 1995 o - Mar 31 0 1 D
+R Z 1995 o - S 3 0 0 S
+R Z 1996 o - Mar 14 24 1 D
+R Z 1996 o - S 15 24 0 S
+R Z 1997 o - Mar 20 24 1 D
+R Z 1997 o - S 13 24 0 S
+R Z 1998 o - Mar 20 0 1 D
+R Z 1998 o - S 6 0 0 S
+R Z 1999 o - Ap 2 2 1 D
+R Z 1999 o - S 3 2 0 S
+R Z 2000 o - Ap 14 2 1 D
+R Z 2000 o - O 6 1 0 S
+R Z 2001 o - Ap 9 1 1 D
+R Z 2001 o - S 24 1 0 S
+R Z 2002 o - Mar 29 1 1 D
+R Z 2002 o - O 7 1 0 S
+R Z 2003 o - Mar 28 1 1 D
+R Z 2003 o - O 3 1 0 S
+R Z 2004 o - Ap 7 1 1 D
+R Z 2004 o - S 22 1 0 S
+R Z 2005 2012 - Ap F<=1 2 1 D
+R Z 2005 o - O 9 2 0 S
+R Z 2006 o - O 1 2 0 S
+R Z 2007 o - S 16 2 0 S
+R Z 2008 o - O 5 2 0 S
+R Z 2009 o - S 27 2 0 S
+R Z 2010 o - S 12 2 0 S
+R Z 2011 o - O 2 2 0 S
+R Z 2012 o - S 23 2 0 S
+R Z 2013 ma - Mar F>=23 2 1 D
+R Z 2013 ma - O lastSu 2 0 S
+R JP 1948 o - May Sa>=1 24 1 D
+R JP 1948 1951 - S Sa>=8 25 0 S
+R JP 1949 o - Ap Sa>=1 24 1 D
+R JP 1950 1951 - May Sa>=1 24 1 D
+R J 1973 o - Jun 6 0 1 S
+R J 1973 1975 - O 1 0 0 -
+R J 1974 1977 - May 1 0 1 S
+R J 1976 o - N 1 0 0 -
+R J 1977 o - O 1 0 0 -
+R J 1978 o - Ap 30 0 1 S
+R J 1978 o - S 30 0 0 -
+R J 1985 o - Ap 1 0 1 S
+R J 1985 o - O 1 0 0 -
+R J 1986 1988 - Ap F>=1 0 1 S
+R J 1986 1990 - O F>=1 0 0 -
+R J 1989 o - May 8 0 1 S
+R J 1990 o - Ap 27 0 1 S
+R J 1991 o - Ap 17 0 1 S
+R J 1991 o - S 27 0 0 -
+R J 1992 o - Ap 10 0 1 S
+R J 1992 1993 - O F>=1 0 0 -
+R J 1993 1998 - Ap F>=1 0 1 S
+R J 1994 o - S F>=15 0 0 -
+R J 1995 1998 - S F>=15 0s 0 -
+R J 1999 o - Jul 1 0s 1 S
+R J 1999 2002 - S lastF 0s 0 -
+R J 2000 2001 - Mar lastTh 0s 1 S
+R J 2002 2012 - Mar lastTh 24 1 S
+R J 2003 o - O 24 0s 0 -
+R J 2004 o - O 15 0s 0 -
+R J 2005 o - S lastF 0s 0 -
+R J 2006 2011 - O lastF 0s 0 -
+R J 2013 o - D 20 0 0 -
+R J 2014 2021 - Mar lastTh 24 1 S
+R J 2014 2022 - O lastF 0s 0 -
+R J 2022 o - F lastTh 24 1 S
+R KG 1992 1996 - Ap Su>=7 0s 1 -
+R KG 1992 1996 - S lastSu 0 0 -
+R KG 1997 2005 - Mar lastSu 2:30 1 -
+R KG 1997 2004 - O lastSu 2:30 0 -
+R KR 1948 o - Jun 1 0 1 D
+R KR 1948 o - S 12 24 0 S
+R KR 1949 o - Ap 3 0 1 D
+R KR 1949 1951 - S Sa>=7 24 0 S
+R KR 1950 o - Ap 1 0 1 D
+R KR 1951 o - May 6 0 1 D
+R KR 1955 o - May 5 0 1 D
+R KR 1955 o - S 8 24 0 S
+R KR 1956 o - May 20 0 1 D
+R KR 1956 o - S 29 24 0 S
+R KR 1957 1960 - May Su>=1 0 1 D
+R KR 1957 1960 - S Sa>=17 24 0 S
+R KR 1987 1988 - May Su>=8 2 1 D
+R KR 1987 1988 - O Su>=8 3 0 S
+R l 1920 o - Mar 28 0 1 S
+R l 1920 o - O 25 0 0 -
+R l 1921 o - Ap 3 0 1 S
+R l 1921 o - O 3 0 0 -
+R l 1922 o - Mar 26 0 1 S
+R l 1922 o - O 8 0 0 -
+R l 1923 o - Ap 22 0 1 S
+R l 1923 o - S 16 0 0 -
+R l 1957 1961 - May 1 0 1 S
+R l 1957 1961 - O 1 0 0 -
+R l 1972 o - Jun 22 0 1 S
+R l 1972 1977 - O 1 0 0 -
+R l 1973 1977 - May 1 0 1 S
+R l 1978 o - Ap 30 0 1 S
+R l 1978 o - S 30 0 0 -
+R l 1984 1987 - May 1 0 1 S
+R l 1984 1991 - O 16 0 0 -
+R l 1988 o - Jun 1 0 1 S
+R l 1989 o - May 10 0 1 S
+R l 1990 1992 - May 1 0 1 S
+R l 1992 o - O 4 0 0 -
+R l 1993 ma - Mar lastSu 0 1 S
+R l 1993 1998 - S lastSu 0 0 -
+R l 1999 ma - O lastSu 0 0 -
+R NB 1935 1941 - S 14 0 0:20 -
+R NB 1935 1941 - D 14 0 0 -
+R X 1983 1984 - Ap 1 0 1 -
+R X 1983 o - O 1 0 0 -
+R X 1985 1998 - Mar lastSu 0 1 -
+R X 1984 1998 - S lastSu 0 0 -
+R X 2001 o - Ap lastSa 2 1 -
+R X 2001 2006 - S lastSa 2 0 -
+R X 2002 2006 - Mar lastSa 2 1 -
+R X 2015 2016 - Mar lastSa 2 1 -
+R X 2015 2016 - S lastSa 0 0 -
+R PK 2002 o - Ap Su>=2 0 1 S
+R PK 2002 o - O Su>=2 0 0 -
+R PK 2008 o - Jun 1 0 1 S
+R PK 2008 2009 - N 1 0 0 -
+R PK 2009 o - Ap 15 0 1 S
+R P 1999 2005 - Ap F>=15 0 1 S
+R P 1999 2003 - O F>=15 0 0 -
+R P 2004 o - O 1 1 0 -
+R P 2005 o - O 4 2 0 -
+R P 2006 2007 - Ap 1 0 1 S
+R P 2006 o - S 22 0 0 -
+R P 2007 o - S 13 2 0 -
+R P 2008 2009 - Mar lastF 0 1 S
+R P 2008 o - S 1 0 0 -
+R P 2009 o - S 4 1 0 -
+R P 2010 o - Mar 26 0 1 S
+R P 2010 o - Au 11 0 0 -
+R P 2011 o - Ap 1 0:1 1 S
+R P 2011 o - Au 1 0 0 -
+R P 2011 o - Au 30 0 1 S
+R P 2011 o - S 30 0 0 -
+R P 2012 2014 - Mar lastTh 24 1 S
+R P 2012 o - S 21 1 0 -
+R P 2013 o - S 27 0 0 -
+R P 2014 o - O 24 0 0 -
+R P 2015 o - Mar 28 0 1 S
+R P 2015 o - O 23 1 0 -
+R P 2016 2018 - Mar Sa<=30 1 1 S
+R P 2016 2018 - O Sa<=30 1 0 -
+R P 2019 o - Mar 29 0 1 S
+R P 2019 o - O Sa<=30 0 0 -
+R P 2020 2021 - Mar Sa<=30 0 1 S
+R P 2020 o - O 24 1 0 -
+R P 2021 o - O 29 1 0 -
+R P 2022 o - Mar 27 0 1 S
+R P 2022 2035 - O Sa<=30 2 0 -
+R P 2023 o - Ap 29 2 1 S
+R P 2024 o - Ap 20 2 1 S
+R P 2025 o - Ap 12 2 1 S
+R P 2026 2054 - Mar Sa<=30 2 1 S
+R P 2036 o - O 18 2 0 -
+R P 2037 o - O 10 2 0 -
+R P 2038 o - S 25 2 0 -
+R P 2039 o - S 17 2 0 -
+R P 2040 o - S 1 2 0 -
+R P 2040 o - O 20 2 1 S
+R P 2040 2067 - O Sa<=30 2 0 -
+R P 2041 o - Au 24 2 0 -
+R P 2041 o - O 5 2 1 S
+R P 2042 o - Au 16 2 0 -
+R P 2042 o - S 27 2 1 S
+R P 2043 o - Au 1 2 0 -
+R P 2043 o - S 19 2 1 S
+R P 2044 o - Jul 23 2 0 -
+R P 2044 o - S 3 2 1 S
+R P 2045 o - Jul 15 2 0 -
+R P 2045 o - Au 26 2 1 S
+R P 2046 o - Jun 30 2 0 -
+R P 2046 o - Au 18 2 1 S
+R P 2047 o - Jun 22 2 0 -
+R P 2047 o - Au 3 2 1 S
+R P 2048 o - Jun 6 2 0 -
+R P 2048 o - Jul 25 2 1 S
+R P 2049 o - May 29 2 0 -
+R P 2049 o - Jul 10 2 1 S
+R P 2050 o - May 21 2 0 -
+R P 2050 o - Jul 2 2 1 S
+R P 2051 o - May 6 2 0 -
+R P 2051 o - Jun 24 2 1 S
+R P 2052 o - Ap 27 2 0 -
+R P 2052 o - Jun 8 2 1 S
+R P 2053 o - Ap 12 2 0 -
+R P 2053 o - May 31 2 1 S
+R P 2054 o - Ap 4 2 0 -
+R P 2054 o - May 23 2 1 S
+R P 2055 o - May 8 2 1 S
+R P 2056 o - Ap 29 2 1 S
+R P 2057 o - Ap 14 2 1 S
+R P 2058 o - Ap 6 2 1 S
+R P 2059 ma - Mar Sa<=30 2 1 S
+R P 2068 o - O 20 2 0 -
+R P 2069 o - O 12 2 0 -
+R P 2070 o - O 4 2 0 -
+R P 2071 o - S 19 2 0 -
+R P 2072 o - S 10 2 0 -
+R P 2072 o - O 22 2 1 S
+R P 2072 ma - O Sa<=30 2 0 -
+R P 2073 o - S 2 2 0 -
+R P 2073 o - O 14 2 1 S
+R P 2074 o - Au 18 2 0 -
+R P 2074 o - O 6 2 1 S
+R P 2075 o - Au 10 2 0 -
+R P 2075 o - S 21 2 1 S
+R P 2076 o - Jul 25 2 0 -
+R P 2076 o - S 12 2 1 S
+R P 2077 o - Jul 17 2 0 -
+R P 2077 o - S 4 2 1 S
+R P 2078 o - Jul 9 2 0 -
+R P 2078 o - Au 20 2 1 S
+R P 2079 o - Jun 24 2 0 -
+R P 2079 o - Au 12 2 1 S
+R P 2080 o - Jun 15 2 0 -
+R P 2080 o - Jul 27 2 1 S
+R P 2081 o - Jun 7 2 0 -
+R P 2081 o - Jul 19 2 1 S
+R P 2082 o - May 23 2 0 -
+R P 2082 o - Jul 11 2 1 S
+R P 2083 o - May 15 2 0 -
+R P 2083 o - Jun 26 2 1 S
+R P 2084 o - Ap 29 2 0 -
+R P 2084 o - Jun 17 2 1 S
+R P 2085 o - Ap 21 2 0 -
+R P 2085 o - Jun 9 2 1 S
+R P 2086 o - Ap 13 2 0 -
+R P 2086 o - May 25 2 1 S
+R PH 1936 o - N 1 0 1 D
+R PH 1937 o - F 1 0 0 S
+R PH 1954 o - Ap 12 0 1 D
+R PH 1954 o - Jul 1 0 0 S
+R PH 1978 o - Mar 22 0 1 D
+R PH 1978 o - S 21 0 0 S
+R S 1920 1923 - Ap Su>=15 2 1 S
+R S 1920 1923 - O Su>=1 2 0 -
+R S 1962 o - Ap 29 2 1 S
+R S 1962 o - O 1 2 0 -
+R S 1963 1965 - May 1 2 1 S
+R S 1963 o - S 30 2 0 -
+R S 1964 o - O 1 2 0 -
+R S 1965 o - S 30 2 0 -
+R S 1966 o - Ap 24 2 1 S
+R S 1966 1976 - O 1 2 0 -
+R S 1967 1978 - May 1 2 1 S
+R S 1977 1978 - S 1 2 0 -
+R S 1983 1984 - Ap 9 2 1 S
+R S 1983 1984 - O 1 2 0 -
+R S 1986 o - F 16 2 1 S
+R S 1986 o - O 9 2 0 -
+R S 1987 o - Mar 1 2 1 S
+R S 1987 1988 - O 31 2 0 -
+R S 1988 o - Mar 15 2 1 S
+R S 1989 o - Mar 31 2 1 S
+R S 1989 o - O 1 2 0 -
+R S 1990 o - Ap 1 2 1 S
+R S 1990 o - S 30 2 0 -
+R S 1991 o - Ap 1 0 1 S
+R S 1991 1992 - O 1 0 0 -
+R S 1992 o - Ap 8 0 1 S
+R S 1993 o - Mar 26 0 1 S
+R S 1993 o - S 25 0 0 -
+R S 1994 1996 - Ap 1 0 1 S
+R S 1994 2005 - O 1 0 0 -
+R S 1997 1998 - Mar lastM 0 1 S
+R S 1999 2006 - Ap 1 0 1 S
+R S 2006 o - S 22 0 0 -
+R S 2007 o - Mar lastF 0 1 S
+R S 2007 o - N F>=1 0 0 -
+R S 2008 o - Ap F>=1 0 1 S
+R S 2008 o - N 1 0 0 -
+R S 2009 o - Mar lastF 0 1 S
+R S 2010 2011 - Ap F>=1 0 1 S
+R S 2012 2022 - Mar lastF 0 1 S
+R S 2009 2022 - O lastF 0 0 -
+R AU 1917 o - Ja 1 2s 1 D
+R AU 1917 o - Mar lastSu 2s 0 S
+R AU 1942 o - Ja 1 2s 1 D
+R AU 1942 o - Mar lastSu 2s 0 S
+R AU 1942 o - S 27 2s 1 D
+R AU 1943 1944 - Mar lastSu 2s 0 S
+R AU 1943 o - O 3 2s 1 D
+R AW 1974 o - O lastSu 2s 1 D
+R AW 1975 o - Mar Su>=1 2s 0 S
+R AW 1983 o - O lastSu 2s 1 D
+R AW 1984 o - Mar Su>=1 2s 0 S
+R AW 1991 o - N 17 2s 1 D
+R AW 1992 o - Mar Su>=1 2s 0 S
+R AW 2006 o - D 3 2s 1 D
+R AW 2007 2009 - Mar lastSu 2s 0 S
+R AW 2007 2008 - O lastSu 2s 1 D
+R AQ 1971 o - O lastSu 2s 1 D
+R AQ 1972 o - F lastSu 2s 0 S
+R AQ 1989 1991 - O lastSu 2s 1 D
+R AQ 1990 1992 - Mar Su>=1 2s 0 S
+R Ho 1992 1993 - O lastSu 2s 1 D
+R Ho 1993 1994 - Mar Su>=1 2s 0 S
+R AS 1971 1985 - O lastSu 2s 1 D
+R AS 1986 o - O 19 2s 1 D
+R AS 1987 2007 - O lastSu 2s 1 D
+R AS 1972 o - F 27 2s 0 S
+R AS 1973 1985 - Mar Su>=1 2s 0 S
+R AS 1986 1990 - Mar Su>=15 2s 0 S
+R AS 1991 o - Mar 3 2s 0 S
+R AS 1992 o - Mar 22 2s 0 S
+R AS 1993 o - Mar 7 2s 0 S
+R AS 1994 o - Mar 20 2s 0 S
+R AS 1995 2005 - Mar lastSu 2s 0 S
+R AS 2006 o - Ap 2 2s 0 S
+R AS 2007 o - Mar lastSu 2s 0 S
+R AS 2008 ma - Ap Su>=1 2s 0 S
+R AS 2008 ma - O Su>=1 2s 1 D
+R AT 1916 o - O Su>=1 2s 1 D
+R AT 1917 o - Mar lastSu 2s 0 S
+R AT 1917 1918 - O Su>=22 2s 1 D
+R AT 1918 1919 - Mar Su>=1 2s 0 S
+R AT 1967 o - O Su>=1 2s 1 D
+R AT 1968 o - Mar Su>=29 2s 0 S
+R AT 1968 1985 - O lastSu 2s 1 D
+R AT 1969 1971 - Mar Su>=8 2s 0 S
+R AT 1972 o - F lastSu 2s 0 S
+R AT 1973 1981 - Mar Su>=1 2s 0 S
+R AT 1982 1983 - Mar lastSu 2s 0 S
+R AT 1984 1986 - Mar Su>=1 2s 0 S
+R AT 1986 o - O Su>=15 2s 1 D
+R AT 1987 1990 - Mar Su>=15 2s 0 S
+R AT 1987 o - O Su>=22 2s 1 D
+R AT 1988 1990 - O lastSu 2s 1 D
+R AT 1991 1999 - O Su>=1 2s 1 D
+R AT 1991 2005 - Mar lastSu 2s 0 S
+R AT 2000 o - Au lastSu 2s 1 D
+R AT 2001 ma - O Su>=1 2s 1 D
+R AT 2006 o - Ap Su>=1 2s 0 S
+R AT 2007 o - Mar lastSu 2s 0 S
+R AT 2008 ma - Ap Su>=1 2s 0 S
+R AV 1971 1985 - O lastSu 2s 1 D
+R AV 1972 o - F lastSu 2s 0 S
+R AV 1973 1985 - Mar Su>=1 2s 0 S
+R AV 1986 1990 - Mar Su>=15 2s 0 S
+R AV 1986 1987 - O Su>=15 2s 1 D
+R AV 1988 1999 - O lastSu 2s 1 D
+R AV 1991 1994 - Mar Su>=1 2s 0 S
+R AV 1995 2005 - Mar lastSu 2s 0 S
+R AV 2000 o - Au lastSu 2s 1 D
+R AV 2001 2007 - O lastSu 2s 1 D
+R AV 2006 o - Ap Su>=1 2s 0 S
+R AV 2007 o - Mar lastSu 2s 0 S
+R AV 2008 ma - Ap Su>=1 2s 0 S
+R AV 2008 ma - O Su>=1 2s 1 D
+R AN 1971 1985 - O lastSu 2s 1 D
+R AN 1972 o - F 27 2s 0 S
+R AN 1973 1981 - Mar Su>=1 2s 0 S
+R AN 1982 o - Ap Su>=1 2s 0 S
+R AN 1983 1985 - Mar Su>=1 2s 0 S
+R AN 1986 1989 - Mar Su>=15 2s 0 S
+R AN 1986 o - O 19 2s 1 D
+R AN 1987 1999 - O lastSu 2s 1 D
+R AN 1990 1995 - Mar Su>=1 2s 0 S
+R AN 1996 2005 - Mar lastSu 2s 0 S
+R AN 2000 o - Au lastSu 2s 1 D
+R AN 2001 2007 - O lastSu 2s 1 D
+R AN 2006 o - Ap Su>=1 2s 0 S
+R AN 2007 o - Mar lastSu 2s 0 S
+R AN 2008 ma - Ap Su>=1 2s 0 S
+R AN 2008 ma - O Su>=1 2s 1 D
+R LH 1981 1984 - O lastSu 2 1 -
+R LH 1982 1985 - Mar Su>=1 2 0 -
+R LH 1985 o - O lastSu 2 0:30 -
+R LH 1986 1989 - Mar Su>=15 2 0 -
+R LH 1986 o - O 19 2 0:30 -
+R LH 1987 1999 - O lastSu 2 0:30 -
+R LH 1990 1995 - Mar Su>=1 2 0 -
+R LH 1996 2005 - Mar lastSu 2 0 -
+R LH 2000 o - Au lastSu 2 0:30 -
+R LH 2001 2007 - O lastSu 2 0:30 -
+R LH 2006 o - Ap Su>=1 2 0 -
+R LH 2007 o - Mar lastSu 2 0 -
+R LH 2008 ma - Ap Su>=1 2 0 -
+R LH 2008 ma - O Su>=1 2 0:30 -
+R FJ 1998 1999 - N Su>=1 2 1 -
+R FJ 1999 2000 - F lastSu 3 0 -
+R FJ 2009 o - N 29 2 1 -
+R FJ 2010 o - Mar lastSu 3 0 -
+R FJ 2010 2013 - O Su>=21 2 1 -
+R FJ 2011 o - Mar Su>=1 3 0 -
+R FJ 2012 2013 - Ja Su>=18 3 0 -
+R FJ 2014 o - Ja Su>=18 2 0 -
+R FJ 2014 2018 - N Su>=1 2 1 -
+R FJ 2015 2021 - Ja Su>=12 3 0 -
+R FJ 2019 o - N Su>=8 2 1 -
+R FJ 2020 o - D 20 2 1 -
+R Gu 1959 o - Jun 27 2 1 D
+R Gu 1961 o - Ja 29 2 0 S
+R Gu 1967 o - S 1 2 1 D
+R Gu 1969 o - Ja 26 0:1 0 S
+R Gu 1969 o - Jun 22 2 1 D
+R Gu 1969 o - Au 31 2 0 S
+R Gu 1970 1971 - Ap lastSu 2 1 D
+R Gu 1970 1971 - S Su>=1 2 0 S
+R Gu 1973 o - D 16 2 1 D
+R Gu 1974 o - F 24 2 0 S
+R Gu 1976 o - May 26 2 1 D
+R Gu 1976 o - Au 22 2:1 0 S
+R Gu 1977 o - Ap 24 2 1 D
+R Gu 1977 o - Au 28 2 0 S
+R NC 1977 1978 - D Su>=1 0 1 -
+R NC 1978 1979 - F 27 0 0 -
+R NC 1996 o - D 1 2s 1 -
+R NC 1997 o - Mar 2 2s 0 -
+R NZ 1927 o - N 6 2 1 S
+R NZ 1928 o - Mar 4 2 0 M
+R NZ 1928 1933 - O Su>=8 2 0:30 S
+R NZ 1929 1933 - Mar Su>=15 2 0 M
+R NZ 1934 1940 - Ap lastSu 2 0 M
+R NZ 1934 1940 - S lastSu 2 0:30 S
+R NZ 1946 o - Ja 1 0 0 S
+R NZ 1974 o - N Su>=1 2s 1 D
+R k 1974 o - N Su>=1 2:45s 1 -
+R NZ 1975 o - F lastSu 2s 0 S
+R k 1975 o - F lastSu 2:45s 0 -
+R NZ 1975 1988 - O lastSu 2s 1 D
+R k 1975 1988 - O lastSu 2:45s 1 -
+R NZ 1976 1989 - Mar Su>=1 2s 0 S
+R k 1976 1989 - Mar Su>=1 2:45s 0 -
+R NZ 1989 o - O Su>=8 2s 1 D
+R k 1989 o - O Su>=8 2:45s 1 -
+R NZ 1990 2006 - O Su>=1 2s 1 D
+R k 1990 2006 - O Su>=1 2:45s 1 -
+R NZ 1990 2007 - Mar Su>=15 2s 0 S
+R k 1990 2007 - Mar Su>=15 2:45s 0 -
+R NZ 2007 ma - S lastSu 2s 1 D
+R k 2007 ma - S lastSu 2:45s 1 -
+R NZ 2008 ma - Ap Su>=1 2s 0 S
+R k 2008 ma - Ap Su>=1 2:45s 0 -
+R CK 1978 o - N 12 0 0:30 -
+R CK 1979 1991 - Mar Su>=1 0 0 -
+R CK 1979 1990 - O lastSu 0 0:30 -
+R WS 2010 o - S lastSu 0 1 -
+R WS 2011 o - Ap Sa>=1 4 0 -
+R WS 2011 o - S lastSa 3 1 -
+R WS 2012 2021 - Ap Su>=1 4 0 -
+R WS 2012 2020 - S lastSu 3 1 -
+R TO 1999 o - O 7 2s 1 -
+R TO 2000 o - Mar 19 2s 0 -
+R TO 2000 2001 - N Su>=1 2 1 -
+R TO 2001 2002 - Ja lastSu 2 0 -
+R TO 2016 o - N Su>=1 2 1 -
+R TO 2017 o - Ja Su>=15 3 0 -
+R VU 1973 o - D 22 12u 1 -
+R VU 1974 o - Mar 30 12u 0 -
+R VU 1983 1991 - S Sa>=22 24 1 -
+R VU 1984 1991 - Mar Sa>=22 24 0 -
+R VU 1992 1993 - Ja Sa>=22 24 0 -
+R VU 1992 o - O Sa>=22 24 1 -
+R G 1916 o - May 21 2s 1 BST
+R G 1916 o - O 1 2s 0 GMT
+R G 1917 o - Ap 8 2s 1 BST
+R G 1917 o - S 17 2s 0 GMT
+R G 1918 o - Mar 24 2s 1 BST
+R G 1918 o - S 30 2s 0 GMT
+R G 1919 o - Mar 30 2s 1 BST
+R G 1919 o - S 29 2s 0 GMT
+R G 1920 o - Mar 28 2s 1 BST
+R G 1920 o - O 25 2s 0 GMT
+R G 1921 o - Ap 3 2s 1 BST
+R G 1921 o - O 3 2s 0 GMT
+R G 1922 o - Mar 26 2s 1 BST
+R G 1922 o - O 8 2s 0 GMT
+R G 1923 o - Ap Su>=16 2s 1 BST
+R G 1923 1924 - S Su>=16 2s 0 GMT
+R G 1924 o - Ap Su>=9 2s 1 BST
+R G 1925 1926 - Ap Su>=16 2s 1 BST
+R G 1925 1938 - O Su>=2 2s 0 GMT
+R G 1927 o - Ap Su>=9 2s 1 BST
+R G 1928 1929 - Ap Su>=16 2s 1 BST
+R G 1930 o - Ap Su>=9 2s 1 BST
+R G 1931 1932 - Ap Su>=16 2s 1 BST
+R G 1933 o - Ap Su>=9 2s 1 BST
+R G 1934 o - Ap Su>=16 2s 1 BST
+R G 1935 o - Ap Su>=9 2s 1 BST
+R G 1936 1937 - Ap Su>=16 2s 1 BST
+R G 1938 o - Ap Su>=9 2s 1 BST
+R G 1939 o - Ap Su>=16 2s 1 BST
+R G 1939 o - N Su>=16 2s 0 GMT
+R G 1940 o - F Su>=23 2s 1 BST
+R G 1941 o - May Su>=2 1s 2 BDST
+R G 1941 1943 - Au Su>=9 1s 1 BST
+R G 1942 1944 - Ap Su>=2 1s 2 BDST
+R G 1944 o - S Su>=16 1s 1 BST
+R G 1945 o - Ap M>=2 1s 2 BDST
+R G 1945 o - Jul Su>=9 1s 1 BST
+R G 1945 1946 - O Su>=2 2s 0 GMT
+R G 1946 o - Ap Su>=9 2s 1 BST
+R G 1947 o - Mar 16 2s 1 BST
+R G 1947 o - Ap 13 1s 2 BDST
+R G 1947 o - Au 10 1s 1 BST
+R G 1947 o - N 2 2s 0 GMT
+R G 1948 o - Mar 14 2s 1 BST
+R G 1948 o - O 31 2s 0 GMT
+R G 1949 o - Ap 3 2s 1 BST
+R G 1949 o - O 30 2s 0 GMT
+R G 1950 1952 - Ap Su>=14 2s 1 BST
+R G 1950 1952 - O Su>=21 2s 0 GMT
+R G 1953 o - Ap Su>=16 2s 1 BST
+R G 1953 1960 - O Su>=2 2s 0 GMT
+R G 1954 o - Ap Su>=9 2s 1 BST
+R G 1955 1956 - Ap Su>=16 2s 1 BST
+R G 1957 o - Ap Su>=9 2s 1 BST
+R G 1958 1959 - Ap Su>=16 2s 1 BST
+R G 1960 o - Ap Su>=9 2s 1 BST
+R G 1961 1963 - Mar lastSu 2s 1 BST
+R G 1961 1968 - O Su>=23 2s 0 GMT
+R G 1964 1967 - Mar Su>=19 2s 1 BST
+R G 1968 o - F 18 2s 1 BST
+R G 1972 1980 - Mar Su>=16 2s 1 BST
+R G 1972 1980 - O Su>=23 2s 0 GMT
+R G 1981 1995 - Mar lastSu 1u 1 BST
+R G 1981 1989 - O Su>=23 1u 0 GMT
+R G 1990 1995 - O Su>=22 1u 0 GMT
+R IE 1971 o - O 31 2u -1 -
+R IE 1972 1980 - Mar Su>=16 2u 0 -
+R IE 1972 1980 - O Su>=23 2u -1 -
+R IE 1981 ma - Mar lastSu 1u 0 -
+R IE 1981 1989 - O Su>=23 1u -1 -
+R IE 1990 1995 - O Su>=22 1u -1 -
+R IE 1996 ma - O lastSu 1u -1 -
+R E 1977 1980 - Ap Su>=1 1u 1 S
+R E 1977 o - S lastSu 1u 0 -
+R E 1978 o - O 1 1u 0 -
+R E 1979 1995 - S lastSu 1u 0 -
+R E 1981 ma - Mar lastSu 1u 1 S
+R E 1996 ma - O lastSu 1u 0 -
+R W- 1977 1980 - Ap Su>=1 1s 1 S
+R W- 1977 o - S lastSu 1s 0 -
+R W- 1978 o - O 1 1s 0 -
+R W- 1979 1995 - S lastSu 1s 0 -
+R W- 1981 ma - Mar lastSu 1s 1 S
+R W- 1996 ma - O lastSu 1s 0 -
+R c 1916 o - Ap 30 23 1 S
+R c 1916 o - O 1 1 0 -
+R c 1917 1918 - Ap M>=15 2s 1 S
+R c 1917 1918 - S M>=15 2s 0 -
+R c 1940 o - Ap 1 2s 1 S
+R c 1942 o - N 2 2s 0 -
+R c 1943 o - Mar 29 2s 1 S
+R c 1943 o - O 4 2s 0 -
+R c 1944 1945 - Ap M>=1 2s 1 S
+R c 1944 o - O 2 2s 0 -
+R c 1945 o - S 16 2s 0 -
+R c 1977 1980 - Ap Su>=1 2s 1 S
+R c 1977 o - S lastSu 2s 0 -
+R c 1978 o - O 1 2s 0 -
+R c 1979 1995 - S lastSu 2s 0 -
+R c 1981 ma - Mar lastSu 2s 1 S
+R c 1996 ma - O lastSu 2s 0 -
+R e 1977 1980 - Ap Su>=1 0 1 S
+R e 1977 o - S lastSu 0 0 -
+R e 1978 o - O 1 0 0 -
+R e 1979 1995 - S lastSu 0 0 -
+R e 1981 ma - Mar lastSu 0 1 S
+R e 1996 ma - O lastSu 0 0 -
+R R 1917 o - Jul 1 23 1 MST
+R R 1917 o - D 28 0 0 MMT
+R R 1918 o - May 31 22 2 MDST
+R R 1918 o - S 16 1 1 MST
+R R 1919 o - May 31 23 2 MDST
+R R 1919 o - Jul 1 0u 1 MSD
+R R 1919 o - Au 16 0 0 MSK
+R R 1921 o - F 14 23 1 MSD
+R R 1921 o - Mar 20 23 2 +05
+R R 1921 o - S 1 0 1 MSD
+R R 1921 o - O 1 0 0 -
+R R 1981 1984 - Ap 1 0 1 S
+R R 1981 1983 - O 1 0 0 -
+R R 1984 1995 - S lastSu 2s 0 -
+R R 1985 2010 - Mar lastSu 2s 1 S
+R R 1996 2010 - O lastSu 2s 0 -
+R q 1940 o - Jun 16 0 1 S
+R q 1942 o - N 2 3 0 -
+R q 1943 o - Mar 29 2 1 S
+R q 1943 o - Ap 10 3 0 -
+R q 1974 o - May 4 0 1 S
+R q 1974 o - O 2 0 0 -
+R q 1975 o - May 1 0 1 S
+R q 1975 o - O 2 0 0 -
+R q 1976 o - May 2 0 1 S
+R q 1976 o - O 3 0 0 -
+R q 1977 o - May 8 0 1 S
+R q 1977 o - O 2 0 0 -
+R q 1978 o - May 6 0 1 S
+R q 1978 o - O 1 0 0 -
+R q 1979 o - May 5 0 1 S
+R q 1979 o - S 30 0 0 -
+R q 1980 o - May 3 0 1 S
+R q 1980 o - O 4 0 0 -
+R q 1981 o - Ap 26 0 1 S
+R q 1981 o - S 27 0 0 -
+R q 1982 o - May 2 0 1 S
+R q 1982 o - O 3 0 0 -
+R q 1983 o - Ap 18 0 1 S
+R q 1983 o - O 1 0 0 -
+R q 1984 o - Ap 1 0 1 S
+R a 1920 o - Ap 5 2s 1 S
+R a 1920 o - S 13 2s 0 -
+R a 1946 o - Ap 14 2s 1 S
+R a 1946 o - O 7 2s 0 -
+R a 1947 1948 - O Su>=1 2s 0 -
+R a 1947 o - Ap 6 2s 1 S
+R a 1948 o - Ap 18 2s 1 S
+R a 1980 o - Ap 6 0 1 S
+R a 1980 o - S 28 0 0 -
+R b 1918 o - Mar 9 0s 1 S
+R b 1918 1919 - O Sa>=1 23s 0 -
+R b 1919 o - Mar 1 23s 1 S
+R b 1920 o - F 14 23s 1 S
+R b 1920 o - O 23 23s 0 -
+R b 1921 o - Mar 14 23s 1 S
+R b 1921 o - O 25 23s 0 -
+R b 1922 o - Mar 25 23s 1 S
+R b 1922 1927 - O Sa>=1 23s 0 -
+R b 1923 o - Ap 21 23s 1 S
+R b 1924 o - Mar 29 23s 1 S
+R b 1925 o - Ap 4 23s 1 S
+R b 1926 o - Ap 17 23s 1 S
+R b 1927 o - Ap 9 23s 1 S
+R b 1928 o - Ap 14 23s 1 S
+R b 1928 1938 - O Su>=2 2s 0 -
+R b 1929 o - Ap 21 2s 1 S
+R b 1930 o - Ap 13 2s 1 S
+R b 1931 o - Ap 19 2s 1 S
+R b 1932 o - Ap 3 2s 1 S
+R b 1933 o - Mar 26 2s 1 S
+R b 1934 o - Ap 8 2s 1 S
+R b 1935 o - Mar 31 2s 1 S
+R b 1936 o - Ap 19 2s 1 S
+R b 1937 o - Ap 4 2s 1 S
+R b 1938 o - Mar 27 2s 1 S
+R b 1939 o - Ap 16 2s 1 S
+R b 1939 o - N 19 2s 0 -
+R b 1940 o - F 25 2s 1 S
+R b 1944 o - S 17 2s 0 -
+R b 1945 o - Ap 2 2s 1 S
+R b 1945 o - S 16 2s 0 -
+R b 1946 o - May 19 2s 1 S
+R b 1946 o - O 7 2s 0 -
+R BG 1979 o - Mar 31 23 1 S
+R BG 1979 o - O 1 1 0 -
+R BG 1980 1982 - Ap Sa>=1 23 1 S
+R BG 1980 o - S 29 1 0 -
+R BG 1981 o - S 27 2 0 -
+R CZ 1945 o - Ap M>=1 2s 1 S
+R CZ 1945 o - O 1 2s 0 -
+R CZ 1946 o - May 6 2s 1 S
+R CZ 1946 1949 - O Su>=1 2s 0 -
+R CZ 1947 1948 - Ap Su>=15 2s 1 S
+R CZ 1949 o - Ap 9 2s 1 S
+R Th 1991 1992 - Mar lastSu 2 1 D
+R Th 1991 1992 - S lastSu 2 0 S
+R Th 1993 2006 - Ap Su>=1 2 1 D
+R Th 1993 2006 - O lastSu 2 0 S
+R Th 2007 ma - Mar Su>=8 2 1 D
+R Th 2007 ma - N Su>=1 2 0 S
+R FI 1942 o - Ap 2 24 1 S
+R FI 1942 o - O 4 1 0 -
+R FI 1981 1982 - Mar lastSu 2 1 S
+R FI 1981 1982 - S lastSu 3 0 -
+R F 1916 o - Jun 14 23s 1 S
+R F 1916 1919 - O Su>=1 23s 0 -
+R F 1917 o - Mar 24 23s 1 S
+R F 1918 o - Mar 9 23s 1 S
+R F 1919 o - Mar 1 23s 1 S
+R F 1920 o - F 14 23s 1 S
+R F 1920 o - O 23 23s 0 -
+R F 1921 o - Mar 14 23s 1 S
+R F 1921 o - O 25 23s 0 -
+R F 1922 o - Mar 25 23s 1 S
+R F 1922 1938 - O Sa>=1 23s 0 -
+R F 1923 o - May 26 23s 1 S
+R F 1924 o - Mar 29 23s 1 S
+R F 1925 o - Ap 4 23s 1 S
+R F 1926 o - Ap 17 23s 1 S
+R F 1927 o - Ap 9 23s 1 S
+R F 1928 o - Ap 14 23s 1 S
+R F 1929 o - Ap 20 23s 1 S
+R F 1930 o - Ap 12 23s 1 S
+R F 1931 o - Ap 18 23s 1 S
+R F 1932 o - Ap 2 23s 1 S
+R F 1933 o - Mar 25 23s 1 S
+R F 1934 o - Ap 7 23s 1 S
+R F 1935 o - Mar 30 23s 1 S
+R F 1936 o - Ap 18 23s 1 S
+R F 1937 o - Ap 3 23s 1 S
+R F 1938 o - Mar 26 23s 1 S
+R F 1939 o - Ap 15 23s 1 S
+R F 1939 o - N 18 23s 0 -
+R F 1940 o - F 25 2 1 S
+R F 1941 o - May 5 0 2 M
+R F 1941 o - O 6 0 1 S
+R F 1942 o - Mar 9 0 2 M
+R F 1942 o - N 2 3 1 S
+R F 1943 o - Mar 29 2 2 M
+R F 1943 o - O 4 3 1 S
+R F 1944 o - Ap 3 2 2 M
+R F 1944 o - O 8 1 1 S
+R F 1945 o - Ap 2 2 2 M
+R F 1945 o - S 16 3 0 -
+R F 1976 o - Mar 28 1 1 S
+R F 1976 o - S 26 1 0 -
+R DE 1946 o - Ap 14 2s 1 S
+R DE 1946 o - O 7 2s 0 -
+R DE 1947 1949 - O Su>=1 2s 0 -
+R DE 1947 o - Ap 6 3s 1 S
+R DE 1947 o - May 11 2s 2 M
+R DE 1947 o - Jun 29 3 1 S
+R DE 1948 o - Ap 18 2s 1 S
+R DE 1949 o - Ap 10 2s 1 S
+R So 1945 o - May 24 2 2 M
+R So 1945 o - S 24 3 1 S
+R So 1945 o - N 18 2s 0 -
+R g 1932 o - Jul 7 0 1 S
+R g 1932 o - S 1 0 0 -
+R g 1941 o - Ap 7 0 1 S
+R g 1942 o - N 2 3 0 -
+R g 1943 o - Mar 30 0 1 S
+R g 1943 o - O 4 0 0 -
+R g 1952 o - Jul 1 0 1 S
+R g 1952 o - N 2 0 0 -
+R g 1975 o - Ap 12 0s 1 S
+R g 1975 o - N 26 0s 0 -
+R g 1976 o - Ap 11 2s 1 S
+R g 1976 o - O 10 2s 0 -
+R g 1977 1978 - Ap Su>=1 2s 1 S
+R g 1977 o - S 26 2s 0 -
+R g 1978 o - S 24 4 0 -
+R g 1979 o - Ap 1 9 1 S
+R g 1979 o - S 29 2 0 -
+R g 1980 o - Ap 1 0 1 S
+R g 1980 o - S 28 0 0 -
+R h 1918 1919 - Ap 15 2 1 S
+R h 1918 1920 - S M>=15 3 0 -
+R h 1920 o - Ap 5 2 1 S
+R h 1945 o - May 1 23 1 S
+R h 1945 o - N 1 1 0 -
+R h 1946 o - Mar 31 2s 1 S
+R h 1946 o - O 7 2 0 -
+R h 1947 1949 - Ap Su>=4 2s 1 S
+R h 1947 1949 - O Su>=1 2s 0 -
+R h 1954 o - May 23 0 1 S
+R h 1954 o - O 3 0 0 -
+R h 1955 o - May 22 2 1 S
+R h 1955 o - O 2 3 0 -
+R h 1956 1957 - Jun Su>=1 2 1 S
+R h 1956 1957 - S lastSu 3 0 -
+R h 1980 o - Ap 6 0 1 S
+R h 1980 o - S 28 1 0 -
+R h 1981 1983 - Mar lastSu 0 1 S
+R h 1981 1983 - S lastSu 1 0 -
+R I 1916 o - Jun 3 24 1 S
+R I 1916 1917 - S 30 24 0 -
+R I 1917 o - Mar 31 24 1 S
+R I 1918 o - Mar 9 24 1 S
+R I 1918 o - O 6 24 0 -
+R I 1919 o - Mar 1 24 1 S
+R I 1919 o - O 4 24 0 -
+R I 1920 o - Mar 20 24 1 S
+R I 1920 o - S 18 24 0 -
+R I 1940 o - Jun 14 24 1 S
+R I 1942 o - N 2 2s 0 -
+R I 1943 o - Mar 29 2s 1 S
+R I 1943 o - O 4 2s 0 -
+R I 1944 o - Ap 2 2s 1 S
+R I 1944 o - S 17 2s 0 -
+R I 1945 o - Ap 2 2 1 S
+R I 1945 o - S 15 1 0 -
+R I 1946 o - Mar 17 2s 1 S
+R I 1946 o - O 6 2s 0 -
+R I 1947 o - Mar 16 0s 1 S
+R I 1947 o - O 5 0s 0 -
+R I 1948 o - F 29 2s 1 S
+R I 1948 o - O 3 2s 0 -
+R I 1966 1968 - May Su>=22 0s 1 S
+R I 1966 o - S 24 24 0 -
+R I 1967 1969 - S Su>=22 0s 0 -
+R I 1969 o - Jun 1 0s 1 S
+R I 1970 o - May 31 0s 1 S
+R I 1970 o - S lastSu 0s 0 -
+R I 1971 1972 - May Su>=22 0s 1 S
+R I 1971 o - S lastSu 0s 0 -
+R I 1972 o - O 1 0s 0 -
+R I 1973 o - Jun 3 0s 1 S
+R I 1973 1974 - S lastSu 0s 0 -
+R I 1974 o - May 26 0s 1 S
+R I 1975 o - Jun 1 0s 1 S
+R I 1975 1977 - S lastSu 0s 0 -
+R I 1976 o - May 30 0s 1 S
+R I 1977 1979 - May Su>=22 0s 1 S
+R I 1978 o - O 1 0s 0 -
+R I 1979 o - S 30 0s 0 -
+R LV 1989 1996 - Mar lastSu 2s 1 S
+R LV 1989 1996 - S lastSu 2s 0 -
+R MT 1973 o - Mar 31 0s 1 S
+R MT 1973 o - S 29 0s 0 -
+R MT 1974 o - Ap 21 0s 1 S
+R MT 1974 o - S 16 0s 0 -
+R MT 1975 1979 - Ap Su>=15 2 1 S
+R MT 1975 1980 - S Su>=15 2 0 -
+R MT 1980 o - Mar 31 2 1 S
+R MD 1997 ma - Mar lastSu 2 1 S
+R MD 1997 ma - O lastSu 3 0 -
+R O 1918 1919 - S 16 2s 0 -
+R O 1919 o - Ap 15 2s 1 S
+R O 1944 o - Ap 3 2s 1 S
+R O 1944 o - O 4 2 0 -
+R O 1945 o - Ap 29 0 1 S
+R O 1945 o - N 1 0 0 -
+R O 1946 o - Ap 14 0s 1 S
+R O 1946 o - O 7 2s 0 -
+R O 1947 o - May 4 2s 1 S
+R O 1947 1949 - O Su>=1 2s 0 -
+R O 1948 o - Ap 18 2s 1 S
+R O 1949 o - Ap 10 2s 1 S
+R O 1957 o - Jun 2 1s 1 S
+R O 1957 1958 - S lastSu 1s 0 -
+R O 1958 o - Mar 30 1s 1 S
+R O 1959 o - May 31 1s 1 S
+R O 1959 1961 - O Su>=1 1s 0 -
+R O 1960 o - Ap 3 1s 1 S
+R O 1961 1964 - May lastSu 1s 1 S
+R O 1962 1964 - S lastSu 1s 0 -
+R p 1916 o - Jun 17 23 1 S
+R p 1916 o - N 1 1 0 -
+R p 1917 o - F 28 23s 1 S
+R p 1917 1921 - O 14 23s 0 -
+R p 1918 o - Mar 1 23s 1 S
+R p 1919 o - F 28 23s 1 S
+R p 1920 o - F 29 23s 1 S
+R p 1921 o - F 28 23s 1 S
+R p 1924 o - Ap 16 23s 1 S
+R p 1924 o - O 14 23s 0 -
+R p 1926 o - Ap 17 23s 1 S
+R p 1926 1929 - O Sa>=1 23s 0 -
+R p 1927 o - Ap 9 23s 1 S
+R p 1928 o - Ap 14 23s 1 S
+R p 1929 o - Ap 20 23s 1 S
+R p 1931 o - Ap 18 23s 1 S
+R p 1931 1932 - O Sa>=1 23s 0 -
+R p 1932 o - Ap 2 23s 1 S
+R p 1934 o - Ap 7 23s 1 S
+R p 1934 1938 - O Sa>=1 23s 0 -
+R p 1935 o - Mar 30 23s 1 S
+R p 1936 o - Ap 18 23s 1 S
+R p 1937 o - Ap 3 23s 1 S
+R p 1938 o - Mar 26 23s 1 S
+R p 1939 o - Ap 15 23s 1 S
+R p 1939 o - N 18 23s 0 -
+R p 1940 o - F 24 23s 1 S
+R p 1940 1941 - O 5 23s 0 -
+R p 1941 o - Ap 5 23s 1 S
+R p 1942 1945 - Mar Sa>=8 23s 1 S
+R p 1942 o - Ap 25 22s 2 M
+R p 1942 o - Au 15 22s 1 S
+R p 1942 1945 - O Sa>=24 23s 0 -
+R p 1943 o - Ap 17 22s 2 M
+R p 1943 1945 - Au Sa>=25 22s 1 S
+R p 1944 1945 - Ap Sa>=21 22s 2 M
+R p 1946 o - Ap Sa>=1 23s 1 S
+R p 1946 o - O Sa>=1 23s 0 -
+R p 1947 1965 - Ap Su>=1 2s 1 S
+R p 1947 1965 - O Su>=1 2s 0 -
+R p 1977 o - Mar 27 0s 1 S
+R p 1977 o - S 25 0s 0 -
+R p 1978 1979 - Ap Su>=1 0s 1 S
+R p 1978 o - O 1 0s 0 -
+R p 1979 1982 - S lastSu 1s 0 -
+R p 1980 o - Mar lastSu 0s 1 S
+R p 1981 1982 - Mar lastSu 1s 1 S
+R p 1983 o - Mar lastSu 2s 1 S
+R z 1932 o - May 21 0s 1 S
+R z 1932 1939 - O Su>=1 0s 0 -
+R z 1933 1939 - Ap Su>=2 0s 1 S
+R z 1979 o - May 27 0 1 S
+R z 1979 o - S lastSu 0 0 -
+R z 1980 o - Ap 5 23 1 S
+R z 1980 o - S lastSu 1 0 -
+R z 1991 1993 - Mar lastSu 0s 1 S
+R z 1991 1993 - S lastSu 0s 0 -
+R s 1918 o - Ap 15 23 1 S
+R s 1918 1919 - O 6 24s 0 -
+R s 1919 o - Ap 6 23 1 S
+R s 1924 o - Ap 16 23 1 S
+R s 1924 o - O 4 24s 0 -
+R s 1926 o - Ap 17 23 1 S
+R s 1926 1929 - O Sa>=1 24s 0 -
+R s 1927 o - Ap 9 23 1 S
+R s 1928 o - Ap 15 0 1 S
+R s 1929 o - Ap 20 23 1 S
+R s 1937 o - Jun 16 23 1 S
+R s 1937 o - O 2 24s 0 -
+R s 1938 o - Ap 2 23 1 S
+R s 1938 o - Ap 30 23 2 M
+R s 1938 o - O 2 24 1 S
+R s 1939 o - O 7 24s 0 -
+R s 1942 o - May 2 23 1 S
+R s 1942 o - S 1 1 0 -
+R s 1943 1946 - Ap Sa>=13 23 1 S
+R s 1943 1944 - O Su>=1 1 0 -
+R s 1945 1946 - S lastSu 1 0 -
+R s 1949 o - Ap 30 23 1 S
+R s 1949 o - O 2 1 0 -
+R s 1974 1975 - Ap Sa>=12 23 1 S
+R s 1974 1975 - O Su>=1 1 0 -
+R s 1976 o - Mar 27 23 1 S
+R s 1976 1977 - S lastSu 1 0 -
+R s 1977 o - Ap 2 23 1 S
+R s 1978 o - Ap 2 2s 1 S
+R s 1978 o - O 1 2s 0 -
+R Sp 1967 o - Jun 3 12 1 S
+R Sp 1967 o - O 1 0 0 -
+R Sp 1974 o - Jun 24 0 1 S
+R Sp 1974 o - S 1 0 0 -
+R Sp 1976 1977 - May 1 0 1 S
+R Sp 1976 o - Au 1 0 0 -
+R Sp 1977 o - S 28 0 0 -
+R Sp 1978 o - Jun 1 0 1 S
+R Sp 1978 o - Au 4 0 0 -
+R CH 1941 1942 - May M>=1 1 1 S
+R CH 1941 1942 - O M>=1 2 0 -
+R T 1916 o - May 1 0 1 S
+R T 1916 o - O 1 0 0 -
+R T 1920 o - Mar 28 0 1 S
+R T 1920 o - O 25 0 0 -
+R T 1921 o - Ap 3 0 1 S
+R T 1921 o - O 3 0 0 -
+R T 1922 o - Mar 26 0 1 S
+R T 1922 o - O 8 0 0 -
+R T 1924 o - May 13 0 1 S
+R T 1924 1925 - O 1 0 0 -
+R T 1925 o - May 1 0 1 S
+R T 1940 o - Jul 1 0 1 S
+R T 1940 o - O 6 0 0 -
+R T 1940 o - D 1 0 1 S
+R T 1941 o - S 21 0 0 -
+R T 1942 o - Ap 1 0 1 S
+R T 1945 o - O 8 0 0 -
+R T 1946 o - Jun 1 0 1 S
+R T 1946 o - O 1 0 0 -
+R T 1947 1948 - Ap Su>=16 0 1 S
+R T 1947 1951 - O Su>=2 0 0 -
+R T 1949 o - Ap 10 0 1 S
+R T 1950 o - Ap 16 0 1 S
+R T 1951 o - Ap 22 0 1 S
+R T 1962 o - Jul 15 0 1 S
+R T 1963 o - O 30 0 0 -
+R T 1964 o - May 15 0 1 S
+R T 1964 o - O 1 0 0 -
+R T 1973 o - Jun 3 1 1 S
+R T 1973 1976 - O Su>=31 2 0 -
+R T 1974 o - Mar 31 2 1 S
+R T 1975 o - Mar 22 2 1 S
+R T 1976 o - Mar 21 2 1 S
+R T 1977 1978 - Ap Su>=1 2 1 S
+R T 1977 1978 - O Su>=15 2 0 -
+R T 1978 o - Jun 29 0 0 -
+R T 1983 o - Jul 31 2 1 S
+R T 1983 o - O 2 2 0 -
+R T 1985 o - Ap 20 1s 1 S
+R T 1985 o - S 28 1s 0 -
+R T 1986 1993 - Mar lastSu 1s 1 S
+R T 1986 1995 - S lastSu 1s 0 -
+R T 1994 o - Mar 20 1s 1 S
+R T 1995 2006 - Mar lastSu 1s 1 S
+R T 1996 2006 - O lastSu 1s 0 -
+R u 1918 1919 - Mar lastSu 2 1 D
+R u 1918 1919 - O lastSu 2 0 S
+R u 1942 o - F 9 2 1 W
+R u 1945 o - Au 14 23u 1 P
+R u 1945 o - S 30 2 0 S
+R u 1967 2006 - O lastSu 2 0 S
+R u 1967 1973 - Ap lastSu 2 1 D
+R u 1974 o - Ja 6 2 1 D
+R u 1975 o - F lastSu 2 1 D
+R u 1976 1986 - Ap lastSu 2 1 D
+R u 1987 2006 - Ap Su>=1 2 1 D
+R u 2007 ma - Mar Su>=8 2 1 D
+R u 2007 ma - N Su>=1 2 0 S
+R NY 1920 o - Mar lastSu 2 1 D
+R NY 1920 o - O lastSu 2 0 S
+R NY 1921 1966 - Ap lastSu 2 1 D
+R NY 1921 1954 - S lastSu 2 0 S
+R NY 1955 1966 - O lastSu 2 0 S
+R Ch 1920 o - Jun 13 2 1 D
+R Ch 1920 1921 - O lastSu 2 0 S
+R Ch 1921 o - Mar lastSu 2 1 D
+R Ch 1922 1966 - Ap lastSu 2 1 D
+R Ch 1922 1954 - S lastSu 2 0 S
+R Ch 1955 1966 - O lastSu 2 0 S
+R De 1920 1921 - Mar lastSu 2 1 D
+R De 1920 o - O lastSu 2 0 S
+R De 1921 o - May 22 2 0 S
+R De 1965 1966 - Ap lastSu 2 1 D
+R De 1965 1966 - O lastSu 2 0 S
+R CA 1948 o - Mar 14 2:1 1 D
+R CA 1949 o - Ja 1 2 0 S
+R CA 1950 1966 - Ap lastSu 1 1 D
+R CA 1950 1961 - S lastSu 2 0 S
+R CA 1962 1966 - O lastSu 2 0 S
+R In 1941 o - Jun 22 2 1 D
+R In 1941 1954 - S lastSu 2 0 S
+R In 1946 1954 - Ap lastSu 2 1 D
+R Ma 1951 o - Ap lastSu 2 1 D
+R Ma 1951 o - S lastSu 2 0 S
+R Ma 1954 1960 - Ap lastSu 2 1 D
+R Ma 1954 1960 - S lastSu 2 0 S
+R V 1946 o - Ap lastSu 2 1 D
+R V 1946 o - S lastSu 2 0 S
+R V 1953 1954 - Ap lastSu 2 1 D
+R V 1953 1959 - S lastSu 2 0 S
+R V 1955 o - May 1 0 1 D
+R V 1956 1963 - Ap lastSu 2 1 D
+R V 1960 o - O lastSu 2 0 S
+R V 1961 o - S lastSu 2 0 S
+R V 1962 1963 - O lastSu 2 0 S
+R Pe 1955 o - May 1 0 1 D
+R Pe 1955 1960 - S lastSu 2 0 S
+R Pe 1956 1963 - Ap lastSu 2 1 D
+R Pe 1961 1963 - O lastSu 2 0 S
+R Pi 1955 o - May 1 0 1 D
+R Pi 1955 1960 - S lastSu 2 0 S
+R Pi 1956 1964 - Ap lastSu 2 1 D
+R Pi 1961 1964 - O lastSu 2 0 S
+R St 1947 1961 - Ap lastSu 2 1 D
+R St 1947 1954 - S lastSu 2 0 S
+R St 1955 1956 - O lastSu 2 0 S
+R St 1957 1958 - S lastSu 2 0 S
+R St 1959 1961 - O lastSu 2 0 S
+R Pu 1946 1960 - Ap lastSu 2 1 D
+R Pu 1946 1954 - S lastSu 2 0 S
+R Pu 1955 1956 - O lastSu 2 0 S
+R Pu 1957 1960 - S lastSu 2 0 S
+R v 1921 o - May 1 2 1 D
+R v 1921 o - S 1 2 0 S
+R v 1941 o - Ap lastSu 2 1 D
+R v 1941 o - S lastSu 2 0 S
+R v 1946 o - Ap lastSu 0:1 1 D
+R v 1946 o - Jun 2 2 0 S
+R v 1950 1961 - Ap lastSu 2 1 D
+R v 1950 1955 - S lastSu 2 0 S
+R v 1956 1961 - O lastSu 2 0 S
+R Dt 1948 o - Ap lastSu 2 1 D
+R Dt 1948 o - S lastSu 2 0 S
+R Me 1946 o - Ap lastSu 2 1 D
+R Me 1946 o - S lastSu 2 0 S
+R Me 1966 o - Ap lastSu 2 1 D
+R Me 1966 o - O lastSu 2 0 S
+R C 1918 o - Ap 14 2 1 D
+R C 1918 o - O 27 2 0 S
+R C 1942 o - F 9 2 1 W
+R C 1945 o - Au 14 23u 1 P
+R C 1945 o - S 30 2 0 S
+R C 1974 1986 - Ap lastSu 2 1 D
+R C 1974 2006 - O lastSu 2 0 S
+R C 1987 2006 - Ap Su>=1 2 1 D
+R C 2007 ma - Mar Su>=8 2 1 D
+R C 2007 ma - N Su>=1 2 0 S
+R j 1917 o - Ap 8 2 1 D
+R j 1917 o - S 17 2 0 S
+R j 1919 o - May 5 23 1 D
+R j 1919 o - Au 12 23 0 S
+R j 1920 1935 - May Su>=1 23 1 D
+R j 1920 1935 - O lastSu 23 0 S
+R j 1936 1941 - May M>=9 0 1 D
+R j 1936 1941 - O M>=2 0 0 S
+R j 1946 1950 - May Su>=8 2 1 D
+R j 1946 1950 - O Su>=2 2 0 S
+R j 1951 1986 - Ap lastSu 2 1 D
+R j 1951 1959 - S lastSu 2 0 S
+R j 1960 1986 - O lastSu 2 0 S
+R j 1987 o - Ap Su>=1 0:1 1 D
+R j 1987 2006 - O lastSu 0:1 0 S
+R j 1988 o - Ap Su>=1 0:1 2 DD
+R j 1989 2006 - Ap Su>=1 0:1 1 D
+R j 2007 2011 - Mar Su>=8 0:1 1 D
+R j 2007 2010 - N Su>=1 0:1 0 S
+R H 1916 o - Ap 1 0 1 D
+R H 1916 o - O 1 0 0 S
+R H 1920 o - May 9 0 1 D
+R H 1920 o - Au 29 0 0 S
+R H 1921 o - May 6 0 1 D
+R H 1921 1922 - S 5 0 0 S
+R H 1922 o - Ap 30 0 1 D
+R H 1923 1925 - May Su>=1 0 1 D
+R H 1923 o - S 4 0 0 S
+R H 1924 o - S 15 0 0 S
+R H 1925 o - S 28 0 0 S
+R H 1926 o - May 16 0 1 D
+R H 1926 o - S 13 0 0 S
+R H 1927 o - May 1 0 1 D
+R H 1927 o - S 26 0 0 S
+R H 1928 1931 - May Su>=8 0 1 D
+R H 1928 o - S 9 0 0 S
+R H 1929 o - S 3 0 0 S
+R H 1930 o - S 15 0 0 S
+R H 1931 1932 - S M>=24 0 0 S
+R H 1932 o - May 1 0 1 D
+R H 1933 o - Ap 30 0 1 D
+R H 1933 o - O 2 0 0 S
+R H 1934 o - May 20 0 1 D
+R H 1934 o - S 16 0 0 S
+R H 1935 o - Jun 2 0 1 D
+R H 1935 o - S 30 0 0 S
+R H 1936 o - Jun 1 0 1 D
+R H 1936 o - S 14 0 0 S
+R H 1937 1938 - May Su>=1 0 1 D
+R H 1937 1941 - S M>=24 0 0 S
+R H 1939 o - May 28 0 1 D
+R H 1940 1941 - May Su>=1 0 1 D
+R H 1946 1949 - Ap lastSu 2 1 D
+R H 1946 1949 - S lastSu 2 0 S
+R H 1951 1954 - Ap lastSu 2 1 D
+R H 1951 1954 - S lastSu 2 0 S
+R H 1956 1959 - Ap lastSu 2 1 D
+R H 1956 1959 - S lastSu 2 0 S
+R H 1962 1973 - Ap lastSu 2 1 D
+R H 1962 1973 - O lastSu 2 0 S
+R o 1933 1935 - Jun Su>=8 1 1 D
+R o 1933 1935 - S Su>=8 1 0 S
+R o 1936 1938 - Jun Su>=1 1 1 D
+R o 1936 1938 - S Su>=1 1 0 S
+R o 1939 o - May 27 1 1 D
+R o 1939 1941 - S Sa>=21 1 0 S
+R o 1940 o - May 19 1 1 D
+R o 1941 o - May 4 1 1 D
+R o 1946 1972 - Ap lastSu 2 1 D
+R o 1946 1956 - S lastSu 2 0 S
+R o 1957 1972 - O lastSu 2 0 S
+R o 1993 2006 - Ap Su>=1 0:1 1 D
+R o 1993 2006 - O lastSu 0:1 0 S
+R t 1919 o - Mar 30 23:30 1 D
+R t 1919 o - O 26 0 0 S
+R t 1920 o - May 2 2 1 D
+R t 1920 o - S 26 0 0 S
+R t 1921 o - May 15 2 1 D
+R t 1921 o - S 15 2 0 S
+R t 1922 1923 - May Su>=8 2 1 D
+R t 1922 1926 - S Su>=15 2 0 S
+R t 1924 1927 - May Su>=1 2 1 D
+R t 1927 1937 - S Su>=25 2 0 S
+R t 1928 1937 - Ap Su>=25 2 1 D
+R t 1938 1940 - Ap lastSu 2 1 D
+R t 1938 1939 - S lastSu 2 0 S
+R t 1945 1948 - S lastSu 2 0 S
+R t 1946 1973 - Ap lastSu 2 1 D
+R t 1949 1950 - N lastSu 2 0 S
+R t 1951 1956 - S lastSu 2 0 S
+R t 1957 1973 - O lastSu 2 0 S
+R W 1916 o - Ap 23 0 1 D
+R W 1916 o - S 17 0 0 S
+R W 1918 o - Ap 14 2 1 D
+R W 1918 o - O 27 2 0 S
+R W 1937 o - May 16 2 1 D
+R W 1937 o - S 26 2 0 S
+R W 1942 o - F 9 2 1 W
+R W 1945 o - Au 14 23u 1 P
+R W 1945 o - S lastSu 2 0 S
+R W 1946 o - May 12 2 1 D
+R W 1946 o - O 13 2 0 S
+R W 1947 1949 - Ap lastSu 2 1 D
+R W 1947 1949 - S lastSu 2 0 S
+R W 1950 o - May 1 2 1 D
+R W 1950 o - S 30 2 0 S
+R W 1951 1960 - Ap lastSu 2 1 D
+R W 1951 1958 - S lastSu 2 0 S
+R W 1959 o - O lastSu 2 0 S
+R W 1960 o - S lastSu 2 0 S
+R W 1963 o - Ap lastSu 2 1 D
+R W 1963 o - S 22 2 0 S
+R W 1966 1986 - Ap lastSu 2s 1 D
+R W 1966 2005 - O lastSu 2s 0 S
+R W 1987 2005 - Ap Su>=1 2s 1 D
+R r 1918 o - Ap 14 2 1 D
+R r 1918 o - O 27 2 0 S
+R r 1930 1934 - May Su>=1 0 1 D
+R r 1930 1934 - O Su>=1 0 0 S
+R r 1937 1941 - Ap Su>=8 0 1 D
+R r 1937 o - O Su>=8 0 0 S
+R r 1938 o - O Su>=1 0 0 S
+R r 1939 1941 - O Su>=8 0 0 S
+R r 1942 o - F 9 2 1 W
+R r 1945 o - Au 14 23u 1 P
+R r 1945 o - S lastSu 2 0 S
+R r 1946 o - Ap Su>=8 2 1 D
+R r 1946 o - O Su>=8 2 0 S
+R r 1947 1957 - Ap lastSu 2 1 D
+R r 1947 1957 - S lastSu 2 0 S
+R r 1959 o - Ap lastSu 2 1 D
+R r 1959 o - O lastSu 2 0 S
+R Sw 1957 o - Ap lastSu 2 1 D
+R Sw 1957 o - O lastSu 2 0 S
+R Sw 1959 1961 - Ap lastSu 2 1 D
+R Sw 1959 o - O lastSu 2 0 S
+R Sw 1960 1961 - S lastSu 2 0 S
+R Ed 1918 1919 - Ap Su>=8 2 1 D
+R Ed 1918 o - O 27 2 0 S
+R Ed 1919 o - May 27 2 0 S
+R Ed 1920 1923 - Ap lastSu 2 1 D
+R Ed 1920 o - O lastSu 2 0 S
+R Ed 1921 1923 - S lastSu 2 0 S
+R Ed 1942 o - F 9 2 1 W
+R Ed 1945 o - Au 14 23u 1 P
+R Ed 1945 o - S lastSu 2 0 S
+R Ed 1947 o - Ap lastSu 2 1 D
+R Ed 1947 o - S lastSu 2 0 S
+R Ed 1972 1986 - Ap lastSu 2 1 D
+R Ed 1972 2006 - O lastSu 2 0 S
+R Va 1918 o - Ap 14 2 1 D
+R Va 1918 o - O 27 2 0 S
+R Va 1942 o - F 9 2 1 W
+R Va 1945 o - Au 14 23u 1 P
+R Va 1945 o - S 30 2 0 S
+R Va 1946 1986 - Ap lastSu 2 1 D
+R Va 1946 o - S 29 2 0 S
+R Va 1947 1961 - S lastSu 2 0 S
+R Va 1962 2006 - O lastSu 2 0 S
+R Y 1918 o - Ap 14 2 1 D
+R Y 1918 o - O 27 2 0 S
+R Y 1919 o - May 25 2 1 D
+R Y 1919 o - N 1 0 0 S
+R Y 1942 o - F 9 2 1 W
+R Y 1945 o - Au 14 23u 1 P
+R Y 1945 o - S 30 2 0 S
+R Y 1972 1986 - Ap lastSu 2 1 D
+R Y 1972 2006 - O lastSu 2 0 S
+R Y 1987 2006 - Ap Su>=1 2 1 D
+R Yu 1965 o - Ap lastSu 0 2 DD
+R Yu 1965 o - O lastSu 2 0 S
+R m 1931 o - May 1 23 1 D
+R m 1931 o - O 1 0 0 S
+R m 1939 o - F 5 0 1 D
+R m 1939 o - Jun 25 0 0 S
+R m 1940 o - D 9 0 1 D
+R m 1941 o - Ap 1 0 0 S
+R m 1943 o - D 16 0 1 W
+R m 1944 o - May 1 0 0 S
+R m 1950 o - F 12 0 1 D
+R m 1950 o - Jul 30 0 0 S
+R m 1996 2000 - Ap Su>=1 2 1 D
+R m 1996 2000 - O lastSu 2 0 S
+R m 2001 o - May Su>=1 2 1 D
+R m 2001 o - S lastSu 2 0 S
+R m 2002 2022 - Ap Su>=1 2 1 D
+R m 2002 2022 - O lastSu 2 0 S
+R BB 1942 o - Ap 19 5u 1 D
+R BB 1942 o - Au 31 6u 0 S
+R BB 1943 o - May 2 5u 1 D
+R BB 1943 o - S 5 6u 0 S
+R BB 1944 o - Ap 10 5u 0:30 -
+R BB 1944 o - S 10 6u 0 S
+R BB 1977 o - Jun 12 2 1 D
+R BB 1977 1978 - O Su>=1 2 0 S
+R BB 1978 1980 - Ap Su>=15 2 1 D
+R BB 1979 o - S 30 2 0 S
+R BB 1980 o - S 25 2 0 S
+R BZ 1918 1941 - O Sa>=1 24 0:30 -0530
+R BZ 1919 1942 - F Sa>=8 24 0 CST
+R BZ 1942 o - Jun 27 24 1 CWT
+R BZ 1945 o - Au 14 23u 1 CPT
+R BZ 1945 o - D 15 24 0 CST
+R BZ 1947 1967 - O Sa>=1 24 0:30 -0530
+R BZ 1948 1968 - F Sa>=8 24 0 CST
+R BZ 1973 o - D 5 0 1 CDT
+R BZ 1974 o - F 9 0 0 CST
+R BZ 1982 o - D 18 0 1 CDT
+R BZ 1983 o - F 12 0 0 CST
+R Be 1917 o - Ap 5 24 1 -
+R Be 1917 o - S 30 24 0 -
+R Be 1918 o - Ap 13 24 1 -
+R Be 1918 o - S 15 24 0 S
+R Be 1942 o - Ja 11 2 1 D
+R Be 1942 o - O 18 2 0 S
+R Be 1943 o - Mar 21 2 1 D
+R Be 1943 o - O 31 2 0 S
+R Be 1944 1945 - Mar Su>=8 2 1 D
+R Be 1944 1945 - N Su>=1 2 0 S
+R Be 1947 o - May Su>=15 2 1 D
+R Be 1947 o - S Su>=8 2 0 S
+R Be 1948 1952 - May Su>=22 2 1 D
+R Be 1948 1952 - S Su>=1 2 0 S
+R Be 1956 o - May Su>=22 2 1 D
+R Be 1956 o - O lastSu 2 0 S
+R CR 1979 1980 - F lastSu 0 1 D
+R CR 1979 1980 - Jun Su>=1 0 0 S
+R CR 1991 1992 - Ja Sa>=15 0 1 D
+R CR 1991 o - Jul 1 0 0 S
+R CR 1992 o - Mar 15 0 0 S
+R Q 1928 o - Jun 10 0 1 D
+R Q 1928 o - O 10 0 0 S
+R Q 1940 1942 - Jun Su>=1 0 1 D
+R Q 1940 1942 - S Su>=1 0 0 S
+R Q 1945 1946 - Jun Su>=1 0 1 D
+R Q 1945 1946 - S Su>=1 0 0 S
+R Q 1965 o - Jun 1 0 1 D
+R Q 1965 o - S 30 0 0 S
+R Q 1966 o - May 29 0 1 D
+R Q 1966 o - O 2 0 0 S
+R Q 1967 o - Ap 8 0 1 D
+R Q 1967 1968 - S Su>=8 0 0 S
+R Q 1968 o - Ap 14 0 1 D
+R Q 1969 1977 - Ap lastSu 0 1 D
+R Q 1969 1971 - O lastSu 0 0 S
+R Q 1972 1974 - O 8 0 0 S
+R Q 1975 1977 - O lastSu 0 0 S
+R Q 1978 o - May 7 0 1 D
+R Q 1978 1990 - O Su>=8 0 0 S
+R Q 1979 1980 - Mar Su>=15 0 1 D
+R Q 1981 1985 - May Su>=5 0 1 D
+R Q 1986 1989 - Mar Su>=14 0 1 D
+R Q 1990 1997 - Ap Su>=1 0 1 D
+R Q 1991 1995 - O Su>=8 0s 0 S
+R Q 1996 o - O 6 0s 0 S
+R Q 1997 o - O 12 0s 0 S
+R Q 1998 1999 - Mar lastSu 0s 1 D
+R Q 1998 2003 - O lastSu 0s 0 S
+R Q 2000 2003 - Ap Su>=1 0s 1 D
+R Q 2004 o - Mar lastSu 0s 1 D
+R Q 2006 2010 - O lastSu 0s 0 S
+R Q 2007 o - Mar Su>=8 0s 1 D
+R Q 2008 o - Mar Su>=15 0s 1 D
+R Q 2009 2010 - Mar Su>=8 0s 1 D
+R Q 2011 o - Mar Su>=15 0s 1 D
+R Q 2011 o - N 13 0s 0 S
+R Q 2012 o - Ap 1 0s 1 D
+R Q 2012 ma - N Su>=1 0s 0 S
+R Q 2013 ma - Mar Su>=8 0s 1 D
+R DO 1966 o - O 30 0 1 EDT
+R DO 1967 o - F 28 0 0 EST
+R DO 1969 1973 - O lastSu 0 0:30 -0430
+R DO 1970 o - F 21 0 0 EST
+R DO 1971 o - Ja 20 0 0 EST
+R DO 1972 1974 - Ja 21 0 0 EST
+R SV 1987 1988 - May Su>=1 0 1 D
+R SV 1987 1988 - S lastSu 0 0 S
+R GT 1973 o - N 25 0 1 D
+R GT 1974 o - F 24 0 0 S
+R GT 1983 o - May 21 0 1 D
+R GT 1983 o - S 22 0 0 S
+R GT 1991 o - Mar 23 0 1 D
+R GT 1991 o - S 7 0 0 S
+R GT 2006 o - Ap 30 0 1 D
+R GT 2006 o - O 1 0 0 S
+R HT 1983 o - May 8 0 1 D
+R HT 1984 1987 - Ap lastSu 0 1 D
+R HT 1983 1987 - O lastSu 0 0 S
+R HT 1988 1997 - Ap Su>=1 1s 1 D
+R HT 1988 1997 - O lastSu 1s 0 S
+R HT 2005 2006 - Ap Su>=1 0 1 D
+R HT 2005 2006 - O lastSu 0 0 S
+R HT 2012 2015 - Mar Su>=8 2 1 D
+R HT 2012 2015 - N Su>=1 2 0 S
+R HT 2017 ma - Mar Su>=8 2 1 D
+R HT 2017 ma - N Su>=1 2 0 S
+R HN 1987 1988 - May Su>=1 0 1 D
+R HN 1987 1988 - S lastSu 0 0 S
+R HN 2006 o - May Su>=1 0 1 D
+R HN 2006 o - Au M>=1 0 0 S
+R NI 1979 1980 - Mar Su>=16 0 1 D
+R NI 1979 1980 - Jun M>=23 0 0 S
+R NI 2005 o - Ap 10 0 1 D
+R NI 2005 o - O Su>=1 0 0 S
+R NI 2006 o - Ap 30 2 1 D
+R NI 2006 o - O Su>=1 1 0 S
+R A 1930 o - D 1 0 1 -
+R A 1931 o - Ap 1 0 0 -
+R A 1931 o - O 15 0 1 -
+R A 1932 1940 - Mar 1 0 0 -
+R A 1932 1939 - N 1 0 1 -
+R A 1940 o - Jul 1 0 1 -
+R A 1941 o - Jun 15 0 0 -
+R A 1941 o - O 15 0 1 -
+R A 1943 o - Au 1 0 0 -
+R A 1943 o - O 15 0 1 -
+R A 1946 o - Mar 1 0 0 -
+R A 1946 o - O 1 0 1 -
+R A 1963 o - O 1 0 0 -
+R A 1963 o - D 15 0 1 -
+R A 1964 1966 - Mar 1 0 0 -
+R A 1964 1966 - O 15 0 1 -
+R A 1967 o - Ap 2 0 0 -
+R A 1967 1968 - O Su>=1 0 1 -
+R A 1968 1969 - Ap Su>=1 0 0 -
+R A 1974 o - Ja 23 0 1 -
+R A 1974 o - May 1 0 0 -
+R A 1988 o - D 1 0 1 -
+R A 1989 1993 - Mar Su>=1 0 0 -
+R A 1989 1992 - O Su>=15 0 1 -
+R A 1999 o - O Su>=1 0 1 -
+R A 2000 o - Mar 3 0 0 -
+R A 2007 o - D 30 0 1 -
+R A 2008 2009 - Mar Su>=15 0 0 -
+R A 2008 o - O Su>=15 0 1 -
+R Sa 2008 2009 - Mar Su>=8 0 0 -
+R Sa 2007 2008 - O Su>=8 0 1 -
+R B 1931 o - O 3 11 1 -
+R B 1932 1933 - Ap 1 0 0 -
+R B 1932 o - O 3 0 1 -
+R B 1949 1952 - D 1 0 1 -
+R B 1950 o - Ap 16 1 0 -
+R B 1951 1952 - Ap 1 0 0 -
+R B 1953 o - Mar 1 0 0 -
+R B 1963 o - D 9 0 1 -
+R B 1964 o - Mar 1 0 0 -
+R B 1965 o - Ja 31 0 1 -
+R B 1965 o - Mar 31 0 0 -
+R B 1965 o - D 1 0 1 -
+R B 1966 1968 - Mar 1 0 0 -
+R B 1966 1967 - N 1 0 1 -
+R B 1985 o - N 2 0 1 -
+R B 1986 o - Mar 15 0 0 -
+R B 1986 o - O 25 0 1 -
+R B 1987 o - F 14 0 0 -
+R B 1987 o - O 25 0 1 -
+R B 1988 o - F 7 0 0 -
+R B 1988 o - O 16 0 1 -
+R B 1989 o - Ja 29 0 0 -
+R B 1989 o - O 15 0 1 -
+R B 1990 o - F 11 0 0 -
+R B 1990 o - O 21 0 1 -
+R B 1991 o - F 17 0 0 -
+R B 1991 o - O 20 0 1 -
+R B 1992 o - F 9 0 0 -
+R B 1992 o - O 25 0 1 -
+R B 1993 o - Ja 31 0 0 -
+R B 1993 1995 - O Su>=11 0 1 -
+R B 1994 1995 - F Su>=15 0 0 -
+R B 1996 o - F 11 0 0 -
+R B 1996 o - O 6 0 1 -
+R B 1997 o - F 16 0 0 -
+R B 1997 o - O 6 0 1 -
+R B 1998 o - Mar 1 0 0 -
+R B 1998 o - O 11 0 1 -
+R B 1999 o - F 21 0 0 -
+R B 1999 o - O 3 0 1 -
+R B 2000 o - F 27 0 0 -
+R B 2000 2001 - O Su>=8 0 1 -
+R B 2001 2006 - F Su>=15 0 0 -
+R B 2002 o - N 3 0 1 -
+R B 2003 o - O 19 0 1 -
+R B 2004 o - N 2 0 1 -
+R B 2005 o - O 16 0 1 -
+R B 2006 o - N 5 0 1 -
+R B 2007 o - F 25 0 0 -
+R B 2007 o - O Su>=8 0 1 -
+R B 2008 2017 - O Su>=15 0 1 -
+R B 2008 2011 - F Su>=15 0 0 -
+R B 2012 o - F Su>=22 0 0 -
+R B 2013 2014 - F Su>=15 0 0 -
+R B 2015 o - F Su>=22 0 0 -
+R B 2016 2019 - F Su>=15 0 0 -
+R B 2018 o - N Su>=1 0 1 -
+R x 1927 1931 - S 1 0 1 -
+R x 1928 1932 - Ap 1 0 0 -
+R x 1968 o - N 3 4u 1 -
+R x 1969 o - Mar 30 3u 0 -
+R x 1969 o - N 23 4u 1 -
+R x 1970 o - Mar 29 3u 0 -
+R x 1971 o - Mar 14 3u 0 -
+R x 1970 1972 - O Su>=9 4u 1 -
+R x 1972 1986 - Mar Su>=9 3u 0 -
+R x 1973 o - S 30 4u 1 -
+R x 1974 1987 - O Su>=9 4u 1 -
+R x 1987 o - Ap 12 3u 0 -
+R x 1988 1990 - Mar Su>=9 3u 0 -
+R x 1988 1989 - O Su>=9 4u 1 -
+R x 1990 o - S 16 4u 1 -
+R x 1991 1996 - Mar Su>=9 3u 0 -
+R x 1991 1997 - O Su>=9 4u 1 -
+R x 1997 o - Mar 30 3u 0 -
+R x 1998 o - Mar Su>=9 3u 0 -
+R x 1998 o - S 27 4u 1 -
+R x 1999 o - Ap 4 3u 0 -
+R x 1999 2010 - O Su>=9 4u 1 -
+R x 2000 2007 - Mar Su>=9 3u 0 -
+R x 2008 o - Mar 30 3u 0 -
+R x 2009 o - Mar Su>=9 3u 0 -
+R x 2010 o - Ap Su>=1 3u 0 -
+R x 2011 o - May Su>=2 3u 0 -
+R x 2011 o - Au Su>=16 4u 1 -
+R x 2012 2014 - Ap Su>=23 3u 0 -
+R x 2012 2014 - S Su>=2 4u 1 -
+R x 2016 2018 - May Su>=9 3u 0 -
+R x 2016 2018 - Au Su>=9 4u 1 -
+R x 2019 ma - Ap Su>=2 3u 0 -
+R x 2019 2021 - S Su>=2 4u 1 -
+R x 2022 o - S Su>=9 4u 1 -
+R x 2023 ma - S Su>=2 4u 1 -
+R CO 1992 o - May 3 0 1 -
+R CO 1993 o - F 6 24 0 -
+R EC 1992 o - N 28 0 1 -
+R EC 1993 o - F 5 0 0 -
+R FK 1937 1938 - S lastSu 0 1 -
+R FK 1938 1942 - Mar Su>=19 0 0 -
+R FK 1939 o - O 1 0 1 -
+R FK 1940 1942 - S lastSu 0 1 -
+R FK 1943 o - Ja 1 0 0 -
+R FK 1983 o - S lastSu 0 1 -
+R FK 1984 1985 - Ap lastSu 0 0 -
+R FK 1984 o - S 16 0 1 -
+R FK 1985 2000 - S Su>=9 0 1 -
+R FK 1986 2000 - Ap Su>=16 0 0 -
+R FK 2001 2010 - Ap Su>=15 2 0 -
+R FK 2001 2010 - S Su>=1 2 1 -
+R y 1975 1988 - O 1 0 1 -
+R y 1975 1978 - Mar 1 0 0 -
+R y 1979 1991 - Ap 1 0 0 -
+R y 1989 o - O 22 0 1 -
+R y 1990 o - O 1 0 1 -
+R y 1991 o - O 6 0 1 -
+R y 1992 o - Mar 1 0 0 -
+R y 1992 o - O 5 0 1 -
+R y 1993 o - Mar 31 0 0 -
+R y 1993 1995 - O 1 0 1 -
+R y 1994 1995 - F lastSu 0 0 -
+R y 1996 o - Mar 1 0 0 -
+R y 1996 2001 - O Su>=1 0 1 -
+R y 1997 o - F lastSu 0 0 -
+R y 1998 2001 - Mar Su>=1 0 0 -
+R y 2002 2004 - Ap Su>=1 0 0 -
+R y 2002 2003 - S Su>=1 0 1 -
+R y 2004 2009 - O Su>=15 0 1 -
+R y 2005 2009 - Mar Su>=8 0 0 -
+R y 2010 ma - O Su>=1 0 1 -
+R y 2010 2012 - Ap Su>=8 0 0 -
+R y 2013 ma - Mar Su>=22 0 0 -
+R PE 1938 o - Ja 1 0 1 -
+R PE 1938 o - Ap 1 0 0 -
+R PE 1938 1939 - S lastSu 0 1 -
+R PE 1939 1940 - Mar Su>=24 0 0 -
+R PE 1986 1987 - Ja 1 0 1 -
+R PE 1986 1987 - Ap 1 0 0 -
+R PE 1990 o - Ja 1 0 1 -
+R PE 1990 o - Ap 1 0 0 -
+R PE 1994 o - Ja 1 0 1 -
+R PE 1994 o - Ap 1 0 0 -
+R U 1923 1925 - O 1 0 0:30 -
+R U 1924 1926 - Ap 1 0 0 -
+R U 1933 1938 - O lastSu 0 0:30 -
+R U 1934 1941 - Mar lastSa 24 0 -
+R U 1939 o - O 1 0 0:30 -
+R U 1940 o - O 27 0 0:30 -
+R U 1941 o - Au 1 0 0:30 -
+R U 1942 o - D 14 0 0:30 -
+R U 1943 o - Mar 14 0 0 -
+R U 1959 o - May 24 0 0:30 -
+R U 1959 o - N 15 0 0 -
+R U 1960 o - Ja 17 0 1 -
+R U 1960 o - Mar 6 0 0 -
+R U 1965 o - Ap 4 0 1 -
+R U 1965 o - S 26 0 0 -
+R U 1968 o - May 27 0 0:30 -
+R U 1968 o - D 1 0 0 -
+R U 1970 o - Ap 25 0 1 -
+R U 1970 o - Jun 14 0 0 -
+R U 1972 o - Ap 23 0 1 -
+R U 1972 o - Jul 16 0 0 -
+R U 1974 o - Ja 13 0 1:30 -
+R U 1974 o - Mar 10 0 0:30 -
+R U 1974 o - S 1 0 0 -
+R U 1974 o - D 22 0 1 -
+R U 1975 o - Mar 30 0 0 -
+R U 1976 o - D 19 0 1 -
+R U 1977 o - Mar 6 0 0 -
+R U 1977 o - D 4 0 1 -
+R U 1978 1979 - Mar Su>=1 0 0 -
+R U 1978 o - D 17 0 1 -
+R U 1979 o - Ap 29 0 1 -
+R U 1980 o - Mar 16 0 0 -
+R U 1987 o - D 14 0 1 -
+R U 1988 o - F 28 0 0 -
+R U 1988 o - D 11 0 1 -
+R U 1989 o - Mar 5 0 0 -
+R U 1989 o - O 29 0 1 -
+R U 1990 o - F 25 0 0 -
+R U 1990 1991 - O Su>=21 0 1 -
+R U 1991 1992 - Mar Su>=1 0 0 -
+R U 1992 o - O 18 0 1 -
+R U 1993 o - F 28 0 0 -
+R U 2004 o - S 19 0 1 -
+R U 2005 o - Mar 27 2 0 -
+R U 2005 o - O 9 2 1 -
+R U 2006 2015 - Mar Su>=8 2 0 -
+R U 2006 2014 - O Su>=1 2 1 -
+Z Africa/Abidjan -0:16:8 - LMT 1912
+0 - GMT
+Z Africa/Algiers 0:12:12 - LMT 1891 Mar 16
+0:9:21 - PMT 1911 Mar 11
+0 d WE%sT 1940 F 25 2
+1 d CE%sT 1946 O 7
+0 - WET 1956 Ja 29
+1 - CET 1963 Ap 14
+0 d WE%sT 1977 O 21
+1 d CE%sT 1979 O 26
+0 d WE%sT 1981 May
+1 - CET
+Z Africa/Bissau -1:2:20 - LMT 1912 Ja 1 1u
+-1 - -01 1975
+0 - GMT
+Z Africa/Cairo 2:5:9 - LMT 1900 O
+2 K EE%sT
+Z Africa/Casablanca -0:30:20 - LMT 1913 O 26
+0 M +00/+01 1984 Mar 16
+1 - +01 1986
+0 M +00/+01 2018 O 28 3
+1 M +01/+00
+Z Africa/Ceuta -0:21:16 - LMT 1901 Ja 1 0u
+0 - WET 1918 May 6 23
+0 1 WEST 1918 O 7 23
+0 - WET 1924
+0 s WE%sT 1929
+0 - WET 1967
+0 Sp WE%sT 1984 Mar 16
+1 - CET 1986
+1 E CE%sT
+Z Africa/El_Aaiun -0:52:48 - LMT 1934
+-1 - -01 1976 Ap 14
+0 M +00/+01 2018 O 28 3
+1 M +01/+00
+Z Africa/Johannesburg 1:52 - LMT 1892 F 8
+1:30 - SAST 1903 Mar
+2 SA SAST
+Z Africa/Juba 2:6:28 - LMT 1931
+2 SD CA%sT 2000 Ja 15 12
+3 - EAT 2021 F
+2 - CAT
+Z Africa/Khartoum 2:10:8 - LMT 1931
+2 SD CA%sT 2000 Ja 15 12
+3 - EAT 2017 N
+2 - CAT
+Z Africa/Lagos 0:13:35 - LMT 1905 Jul
+0 - GMT 1908 Jul
+0:13:35 - LMT 1914
+0:30 - +0030 1919 S
+1 - WAT
+Z Africa/Maputo 2:10:20 - LMT 1903 Mar
+2 - CAT
+Z Africa/Monrovia -0:43:8 - LMT 1882
+-0:43:8 - MMT 1919 Mar
+-0:44:30 - MMT 1972 Ja 7
+0 - GMT
+Z Africa/Nairobi 2:27:16 - LMT 1908 May
+2:30 - +0230 1928 Jun 30 24
+3 - EAT 1930 Ja 4 24
+2:30 - +0230 1936 D 31 24
+2:45 - +0245 1942 Jul 31 24
+3 - EAT
+Z Africa/Ndjamena 1:0:12 - LMT 1912
+1 - WAT 1979 O 14
+1 1 WAST 1980 Mar 8
+1 - WAT
+Z Africa/Sao_Tome 0:26:56 - LMT 1884
+-0:36:45 - LMT 1912 Ja 1 0u
+0 - GMT 2018 Ja 1 1
+1 - WAT 2019 Ja 1 2
+0 - GMT
+Z Africa/Tripoli 0:52:44 - LMT 1920
+1 L CE%sT 1959
+2 - EET 1982
+1 L CE%sT 1990 May 4
+2 - EET 1996 S 30
+1 L CE%sT 1997 O 4
+2 - EET 2012 N 10 2
+1 L CE%sT 2013 O 25 2
+2 - EET
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+1 n CE%sT
+Z Africa/Windhoek 1:8:24 - LMT 1892 F 8
+1:30 - +0130 1903 Mar
+2 - SAST 1942 S 20 2
+2 1 SAST 1943 Mar 21 2
+2 - SAST 1990 Mar 21
+2 NA %s
+Z America/Adak 12:13:22 - LMT 1867 O 19 12:44:35
+-11:46:38 - LMT 1900 Au 20 12
+-11 - NST 1942
+-11 u N%sT 1946
+-11 - NST 1967 Ap
+-11 - BST 1969
+-11 u B%sT 1983 O 30 2
+-10 u AH%sT 1983 N 30
+-10 u H%sT
+Z America/Anchorage 14:0:24 - LMT 1867 O 19 14:31:37
+-9:59:36 - LMT 1900 Au 20 12
+-10 - AST 1942
+-10 u A%sT 1967 Ap
+-10 - AHST 1969
+-10 u AH%sT 1983 O 30 2
+-9 u Y%sT 1983 N 30
+-9 u AK%sT
+Z America/Araguaina -3:12:48 - LMT 1914
+-3 B -03/-02 1990 S 17
+-3 - -03 1995 S 14
+-3 B -03/-02 2003 S 24
+-3 - -03 2012 O 21
+-3 B -03/-02 2013 S
+-3 - -03
+Z America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1999 O 3
+-4 A -04/-03 2000 Mar 3
+-3 A -03/-02
+Z America/Argentina/Catamarca -4:23:8 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1991 Mar 3
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+-4 A -04/-03 2000 Mar 3
+-3 - -03 2004 Jun
+-4 - -04 2004 Jun 20
+-3 A -03/-02 2008 O 18
+-3 - -03
+Z America/Argentina/Cordoba -4:16:48 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1991 Mar 3
+-4 - -04 1991 O 20
+-3 A -03/-02 1999 O 3
+-4 A -04/-03 2000 Mar 3
+-3 A -03/-02
+Z America/Argentina/Jujuy -4:21:12 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1990 Mar 4
+-4 - -04 1990 O 28
+-4 1 -03 1991 Mar 17
+-4 - -04 1991 O 6
+-3 1 -02 1992
+-3 A -03/-02 1999 O 3
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+-3 - -03
+Z America/Argentina/La_Rioja -4:27:24 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1991 Mar
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+-3 A -03/-02 1999 O 3
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+-4 - -04 2004 Jun 20
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+-3 - -03
+Z America/Argentina/Mendoza -4:35:16 - LMT 1894 O 31
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+-4 - -04 1930 D
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+-3 - -03
+Z America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
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+-4 - -04 2004 Jun 20
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+-3 - -03
+Z America/Argentina/Salta -4:21:40 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1991 Mar 3
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+-3 A -03/-02 1999 O 3
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+-3 - -03
+Z America/Argentina/San_Juan -4:34:4 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
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+-4 - -04 2004 Jul 25
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+-3 - -03
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+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1990
+-3 1 -02 1990 Mar 14
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+-3 A -03/-02 2008 Ja 21
+-4 Sa -04/-03 2009 O 11
+-3 - -03
+Z America/Argentina/Tucuman -4:20:52 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1991 Mar 3
+-4 - -04 1991 O 20
+-3 A -03/-02 1999 O 3
+-4 A -04/-03 2000 Mar 3
+-3 - -03 2004 Jun
+-4 - -04 2004 Jun 13
+-3 A -03/-02
+Z America/Argentina/Ushuaia -4:33:12 - LMT 1894 O 31
+-4:16:48 - CMT 1920 May
+-4 - -04 1930 D
+-4 A -04/-03 1969 O 5
+-3 A -03/-02 1999 O 3
+-4 A -04/-03 2000 Mar 3
+-3 - -03 2004 May 30
+-4 - -04 2004 Jun 20
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+L Asia/Macau Asia/Macao
+L Asia/Yangon Asia/Rangoon
+L Asia/Ho_Chi_Minh Asia/Saigon
+L Asia/Thimphu Asia/Thimbu
+L Asia/Makassar Asia/Ujung_Pandang
+L Asia/Ulaanbaatar Asia/Ulan_Bator
+L Atlantic/Faroe Atlantic/Faeroe
+L Europe/Kyiv Europe/Kiev
+L Asia/Nicosia Europe/Nicosia
+L Pacific/Guadalcanal Pacific/Ponape
+L Pacific/Port_Moresby Pacific/Truk
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zone.tab b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zone.tab
new file mode 100644
index 00000000..3fa9306a
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zone.tab
@@ -0,0 +1,448 @@
+# tzdb timezone descriptions (deprecated version)
+#
+# This file is in the public domain, so clarified as of
+# 2009-05-17 by Arthur David Olson.
+#
+# From Paul Eggert (2021-09-20):
+# This file is intended as a backward-compatibility aid for older programs.
+# New programs should use zone1970.tab.  This file is like zone1970.tab (see
+# zone1970.tab's comments), but with the following additional restrictions:
+#
+# 1.  This file contains only ASCII characters.
+# 2.  The first data column contains exactly one country code.
+#
+# Because of (2), each row stands for an area that is the intersection
+# of a region identified by a country code and of a timezone where civil
+# clocks have agreed since 1970; this is a narrower definition than
+# that of zone1970.tab.
+#
+# Unlike zone1970.tab, a row's third column can be a Link from
+# 'backward' instead of a Zone.
+#
+# This table is intended as an aid for users, to help them select timezones
+# appropriate for their practical needs.  It is not intended to take or
+# endorse any position on legal or territorial claims.
+#
+#country-
+#code	coordinates	TZ			comments
+AD	+4230+00131	Europe/Andorra
+AE	+2518+05518	Asia/Dubai
+AF	+3431+06912	Asia/Kabul
+AG	+1703-06148	America/Antigua
+AI	+1812-06304	America/Anguilla
+AL	+4120+01950	Europe/Tirane
+AM	+4011+04430	Asia/Yerevan
+AO	-0848+01314	Africa/Luanda
+AQ	-7750+16636	Antarctica/McMurdo	New Zealand time - McMurdo, South Pole
+AQ	-6617+11031	Antarctica/Casey	Casey
+AQ	-6835+07758	Antarctica/Davis	Davis
+AQ	-6640+14001	Antarctica/DumontDUrville	Dumont-d'Urville
+AQ	-6736+06253	Antarctica/Mawson	Mawson
+AQ	-6448-06406	Antarctica/Palmer	Palmer
+AQ	-6734-06808	Antarctica/Rothera	Rothera
+AQ	-690022+0393524	Antarctica/Syowa	Syowa
+AQ	-720041+0023206	Antarctica/Troll	Troll
+AQ	-7824+10654	Antarctica/Vostok	Vostok
+AR	-3436-05827	America/Argentina/Buenos_Aires	Buenos Aires (BA, CF)
+AR	-3124-06411	America/Argentina/Cordoba	Argentina (most areas: CB, CC, CN, ER, FM, MN, SE, SF)
+AR	-2447-06525	America/Argentina/Salta	Salta (SA, LP, NQ, RN)
+AR	-2411-06518	America/Argentina/Jujuy	Jujuy (JY)
+AR	-2649-06513	America/Argentina/Tucuman	Tucuman (TM)
+AR	-2828-06547	America/Argentina/Catamarca	Catamarca (CT), Chubut (CH)
+AR	-2926-06651	America/Argentina/La_Rioja	La Rioja (LR)
+AR	-3132-06831	America/Argentina/San_Juan	San Juan (SJ)
+AR	-3253-06849	America/Argentina/Mendoza	Mendoza (MZ)
+AR	-3319-06621	America/Argentina/San_Luis	San Luis (SL)
+AR	-5138-06913	America/Argentina/Rio_Gallegos	Santa Cruz (SC)
+AR	-5448-06818	America/Argentina/Ushuaia	Tierra del Fuego (TF)
+AS	-1416-17042	Pacific/Pago_Pago
+AT	+4813+01620	Europe/Vienna
+AU	-3133+15905	Australia/Lord_Howe	Lord Howe Island
+AU	-5430+15857	Antarctica/Macquarie	Macquarie Island
+AU	-4253+14719	Australia/Hobart	Tasmania
+AU	-3749+14458	Australia/Melbourne	Victoria
+AU	-3352+15113	Australia/Sydney	New South Wales (most areas)
+AU	-3157+14127	Australia/Broken_Hill	New South Wales (Yancowinna)
+AU	-2728+15302	Australia/Brisbane	Queensland (most areas)
+AU	-2016+14900	Australia/Lindeman	Queensland (Whitsunday Islands)
+AU	-3455+13835	Australia/Adelaide	South Australia
+AU	-1228+13050	Australia/Darwin	Northern Territory
+AU	-3157+11551	Australia/Perth	Western Australia (most areas)
+AU	-3143+12852	Australia/Eucla	Western Australia (Eucla)
+AW	+1230-06958	America/Aruba
+AX	+6006+01957	Europe/Mariehamn
+AZ	+4023+04951	Asia/Baku
+BA	+4352+01825	Europe/Sarajevo
+BB	+1306-05937	America/Barbados
+BD	+2343+09025	Asia/Dhaka
+BE	+5050+00420	Europe/Brussels
+BF	+1222-00131	Africa/Ouagadougou
+BG	+4241+02319	Europe/Sofia
+BH	+2623+05035	Asia/Bahrain
+BI	-0323+02922	Africa/Bujumbura
+BJ	+0629+00237	Africa/Porto-Novo
+BL	+1753-06251	America/St_Barthelemy
+BM	+3217-06446	Atlantic/Bermuda
+BN	+0456+11455	Asia/Brunei
+BO	-1630-06809	America/La_Paz
+BQ	+120903-0681636	America/Kralendijk
+BR	-0351-03225	America/Noronha	Atlantic islands
+BR	-0127-04829	America/Belem	Para (east), Amapa
+BR	-0343-03830	America/Fortaleza	Brazil (northeast: MA, PI, CE, RN, PB)
+BR	-0803-03454	America/Recife	Pernambuco
+BR	-0712-04812	America/Araguaina	Tocantins
+BR	-0940-03543	America/Maceio	Alagoas, Sergipe
+BR	-1259-03831	America/Bahia	Bahia
+BR	-2332-04637	America/Sao_Paulo	Brazil (southeast: GO, DF, MG, ES, RJ, SP, PR, SC, RS)
+BR	-2027-05437	America/Campo_Grande	Mato Grosso do Sul
+BR	-1535-05605	America/Cuiaba	Mato Grosso
+BR	-0226-05452	America/Santarem	Para (west)
+BR	-0846-06354	America/Porto_Velho	Rondonia
+BR	+0249-06040	America/Boa_Vista	Roraima
+BR	-0308-06001	America/Manaus	Amazonas (east)
+BR	-0640-06952	America/Eirunepe	Amazonas (west)
+BR	-0958-06748	America/Rio_Branco	Acre
+BS	+2505-07721	America/Nassau
+BT	+2728+08939	Asia/Thimphu
+BW	-2439+02555	Africa/Gaborone
+BY	+5354+02734	Europe/Minsk
+BZ	+1730-08812	America/Belize
+CA	+4734-05243	America/St_Johns	Newfoundland, Labrador (SE)
+CA	+4439-06336	America/Halifax	Atlantic - NS (most areas), PE
+CA	+4612-05957	America/Glace_Bay	Atlantic - NS (Cape Breton)
+CA	+4606-06447	America/Moncton	Atlantic - New Brunswick
+CA	+5320-06025	America/Goose_Bay	Atlantic - Labrador (most areas)
+CA	+5125-05707	America/Blanc-Sablon	AST - QC (Lower North Shore)
+CA	+4339-07923	America/Toronto	Eastern - ON & QC (most areas)
+CA	+6344-06828	America/Iqaluit	Eastern - NU (most areas)
+CA	+484531-0913718	America/Atikokan	EST - ON (Atikokan), NU (Coral H)
+CA	+4953-09709	America/Winnipeg	Central - ON (west), Manitoba
+CA	+744144-0944945	America/Resolute	Central - NU (Resolute)
+CA	+624900-0920459	America/Rankin_Inlet	Central - NU (central)
+CA	+5024-10439	America/Regina	CST - SK (most areas)
+CA	+5017-10750	America/Swift_Current	CST - SK (midwest)
+CA	+5333-11328	America/Edmonton	Mountain - AB, BC(E), NT(E), SK(W)
+CA	+690650-1050310	America/Cambridge_Bay	Mountain - NU (west)
+CA	+682059-1334300	America/Inuvik	Mountain - NT (west)
+CA	+4906-11631	America/Creston	MST - BC (Creston)
+CA	+5546-12014	America/Dawson_Creek	MST - BC (Dawson Cr, Ft St John)
+CA	+5848-12242	America/Fort_Nelson	MST - BC (Ft Nelson)
+CA	+6043-13503	America/Whitehorse	MST - Yukon (east)
+CA	+6404-13925	America/Dawson	MST - Yukon (west)
+CA	+4916-12307	America/Vancouver	Pacific - BC (most areas)
+CC	-1210+09655	Indian/Cocos
+CD	-0418+01518	Africa/Kinshasa	Dem. Rep. of Congo (west)
+CD	-1140+02728	Africa/Lubumbashi	Dem. Rep. of Congo (east)
+CF	+0422+01835	Africa/Bangui
+CG	-0416+01517	Africa/Brazzaville
+CH	+4723+00832	Europe/Zurich
+CI	+0519-00402	Africa/Abidjan
+CK	-2114-15946	Pacific/Rarotonga
+CL	-3327-07040	America/Santiago	most of Chile
+CL	-5309-07055	America/Punta_Arenas	Region of Magallanes
+CL	-2709-10926	Pacific/Easter	Easter Island
+CM	+0403+00942	Africa/Douala
+CN	+3114+12128	Asia/Shanghai	Beijing Time
+CN	+4348+08735	Asia/Urumqi	Xinjiang Time
+CO	+0436-07405	America/Bogota
+CR	+0956-08405	America/Costa_Rica
+CU	+2308-08222	America/Havana
+CV	+1455-02331	Atlantic/Cape_Verde
+CW	+1211-06900	America/Curacao
+CX	-1025+10543	Indian/Christmas
+CY	+3510+03322	Asia/Nicosia	most of Cyprus
+CY	+3507+03357	Asia/Famagusta	Northern Cyprus
+CZ	+5005+01426	Europe/Prague
+DE	+5230+01322	Europe/Berlin	most of Germany
+DE	+4742+00841	Europe/Busingen	Busingen
+DJ	+1136+04309	Africa/Djibouti
+DK	+5540+01235	Europe/Copenhagen
+DM	+1518-06124	America/Dominica
+DO	+1828-06954	America/Santo_Domingo
+DZ	+3647+00303	Africa/Algiers
+EC	-0210-07950	America/Guayaquil	Ecuador (mainland)
+EC	-0054-08936	Pacific/Galapagos	Galapagos Islands
+EE	+5925+02445	Europe/Tallinn
+EG	+3003+03115	Africa/Cairo
+EH	+2709-01312	Africa/El_Aaiun
+ER	+1520+03853	Africa/Asmara
+ES	+4024-00341	Europe/Madrid	Spain (mainland)
+ES	+3553-00519	Africa/Ceuta	Ceuta, Melilla
+ES	+2806-01524	Atlantic/Canary	Canary Islands
+ET	+0902+03842	Africa/Addis_Ababa
+FI	+6010+02458	Europe/Helsinki
+FJ	-1808+17825	Pacific/Fiji
+FK	-5142-05751	Atlantic/Stanley
+FM	+0725+15147	Pacific/Chuuk	Chuuk/Truk, Yap
+FM	+0658+15813	Pacific/Pohnpei	Pohnpei/Ponape
+FM	+0519+16259	Pacific/Kosrae	Kosrae
+FO	+6201-00646	Atlantic/Faroe
+FR	+4852+00220	Europe/Paris
+GA	+0023+00927	Africa/Libreville
+GB	+513030-0000731	Europe/London
+GD	+1203-06145	America/Grenada
+GE	+4143+04449	Asia/Tbilisi
+GF	+0456-05220	America/Cayenne
+GG	+492717-0023210	Europe/Guernsey
+GH	+0533-00013	Africa/Accra
+GI	+3608-00521	Europe/Gibraltar
+GL	+6411-05144	America/Nuuk	most of Greenland
+GL	+7646-01840	America/Danmarkshavn	National Park (east coast)
+GL	+7029-02158	America/Scoresbysund	Scoresbysund/Ittoqqortoormiit
+GL	+7634-06847	America/Thule	Thule/Pituffik
+GM	+1328-01639	Africa/Banjul
+GN	+0931-01343	Africa/Conakry
+GP	+1614-06132	America/Guadeloupe
+GQ	+0345+00847	Africa/Malabo
+GR	+3758+02343	Europe/Athens
+GS	-5416-03632	Atlantic/South_Georgia
+GT	+1438-09031	America/Guatemala
+GU	+1328+14445	Pacific/Guam
+GW	+1151-01535	Africa/Bissau
+GY	+0648-05810	America/Guyana
+HK	+2217+11409	Asia/Hong_Kong
+HN	+1406-08713	America/Tegucigalpa
+HR	+4548+01558	Europe/Zagreb
+HT	+1832-07220	America/Port-au-Prince
+HU	+4730+01905	Europe/Budapest
+ID	-0610+10648	Asia/Jakarta	Java, Sumatra
+ID	-0002+10920	Asia/Pontianak	Borneo (west, central)
+ID	-0507+11924	Asia/Makassar	Borneo (east, south), Sulawesi/Celebes, Bali, Nusa Tengarra, Timor (west)
+ID	-0232+14042	Asia/Jayapura	New Guinea (West Papua / Irian Jaya), Malukus/Moluccas
+IE	+5320-00615	Europe/Dublin
+IL	+314650+0351326	Asia/Jerusalem
+IM	+5409-00428	Europe/Isle_of_Man
+IN	+2232+08822	Asia/Kolkata
+IO	-0720+07225	Indian/Chagos
+IQ	+3321+04425	Asia/Baghdad
+IR	+3540+05126	Asia/Tehran
+IS	+6409-02151	Atlantic/Reykjavik
+IT	+4154+01229	Europe/Rome
+JE	+491101-0020624	Europe/Jersey
+JM	+175805-0764736	America/Jamaica
+JO	+3157+03556	Asia/Amman
+JP	+353916+1394441	Asia/Tokyo
+KE	-0117+03649	Africa/Nairobi
+KG	+4254+07436	Asia/Bishkek
+KH	+1133+10455	Asia/Phnom_Penh
+KI	+0125+17300	Pacific/Tarawa	Gilbert Islands
+KI	-0247-17143	Pacific/Kanton	Phoenix Islands
+KI	+0152-15720	Pacific/Kiritimati	Line Islands
+KM	-1141+04316	Indian/Comoro
+KN	+1718-06243	America/St_Kitts
+KP	+3901+12545	Asia/Pyongyang
+KR	+3733+12658	Asia/Seoul
+KW	+2920+04759	Asia/Kuwait
+KY	+1918-08123	America/Cayman
+KZ	+4315+07657	Asia/Almaty	most of Kazakhstan
+KZ	+4448+06528	Asia/Qyzylorda	Qyzylorda/Kyzylorda/Kzyl-Orda
+KZ	+5312+06337	Asia/Qostanay	Qostanay/Kostanay/Kustanay
+KZ	+5017+05710	Asia/Aqtobe	Aqtobe/Aktobe
+KZ	+4431+05016	Asia/Aqtau	Mangghystau/Mankistau
+KZ	+4707+05156	Asia/Atyrau	Atyrau/Atirau/Gur'yev
+KZ	+5113+05121	Asia/Oral	West Kazakhstan
+LA	+1758+10236	Asia/Vientiane
+LB	+3353+03530	Asia/Beirut
+LC	+1401-06100	America/St_Lucia
+LI	+4709+00931	Europe/Vaduz
+LK	+0656+07951	Asia/Colombo
+LR	+0618-01047	Africa/Monrovia
+LS	-2928+02730	Africa/Maseru
+LT	+5441+02519	Europe/Vilnius
+LU	+4936+00609	Europe/Luxembourg
+LV	+5657+02406	Europe/Riga
+LY	+3254+01311	Africa/Tripoli
+MA	+3339-00735	Africa/Casablanca
+MC	+4342+00723	Europe/Monaco
+MD	+4700+02850	Europe/Chisinau
+ME	+4226+01916	Europe/Podgorica
+MF	+1804-06305	America/Marigot
+MG	-1855+04731	Indian/Antananarivo
+MH	+0709+17112	Pacific/Majuro	most of Marshall Islands
+MH	+0905+16720	Pacific/Kwajalein	Kwajalein
+MK	+4159+02126	Europe/Skopje
+ML	+1239-00800	Africa/Bamako
+MM	+1647+09610	Asia/Yangon
+MN	+4755+10653	Asia/Ulaanbaatar	most of Mongolia
+MN	+4801+09139	Asia/Hovd	Bayan-Olgiy, Govi-Altai, Hovd, Uvs, Zavkhan
+MN	+4804+11430	Asia/Choibalsan	Dornod, Sukhbaatar
+MO	+221150+1133230	Asia/Macau
+MP	+1512+14545	Pacific/Saipan
+MQ	+1436-06105	America/Martinique
+MR	+1806-01557	Africa/Nouakchott
+MS	+1643-06213	America/Montserrat
+MT	+3554+01431	Europe/Malta
+MU	-2010+05730	Indian/Mauritius
+MV	+0410+07330	Indian/Maldives
+MW	-1547+03500	Africa/Blantyre
+MX	+1924-09909	America/Mexico_City	Central Mexico
+MX	+2105-08646	America/Cancun	Quintana Roo
+MX	+2058-08937	America/Merida	Campeche, Yucatan
+MX	+2540-10019	America/Monterrey	Durango; Coahuila, Nuevo Leon, Tamaulipas (most areas)
+MX	+2550-09730	America/Matamoros	Coahuila, Nuevo Leon, Tamaulipas (US border)
+MX	+2838-10605	America/Chihuahua	Chihuahua (most areas)
+MX	+3144-10629	America/Ciudad_Juarez	Chihuahua (US border - west)
+MX	+2934-10425	America/Ojinaga	Chihuahua (US border - east)
+MX	+2313-10625	America/Mazatlan	Baja California Sur, Nayarit (most areas), Sinaloa
+MX	+2048-10515	America/Bahia_Banderas	Bahia de Banderas
+MX	+2904-11058	America/Hermosillo	Sonora
+MX	+3232-11701	America/Tijuana	Baja California
+MY	+0310+10142	Asia/Kuala_Lumpur	Malaysia (peninsula)
+MY	+0133+11020	Asia/Kuching	Sabah, Sarawak
+MZ	-2558+03235	Africa/Maputo
+NA	-2234+01706	Africa/Windhoek
+NC	-2216+16627	Pacific/Noumea
+NE	+1331+00207	Africa/Niamey
+NF	-2903+16758	Pacific/Norfolk
+NG	+0627+00324	Africa/Lagos
+NI	+1209-08617	America/Managua
+NL	+5222+00454	Europe/Amsterdam
+NO	+5955+01045	Europe/Oslo
+NP	+2743+08519	Asia/Kathmandu
+NR	-0031+16655	Pacific/Nauru
+NU	-1901-16955	Pacific/Niue
+NZ	-3652+17446	Pacific/Auckland	most of New Zealand
+NZ	-4357-17633	Pacific/Chatham	Chatham Islands
+OM	+2336+05835	Asia/Muscat
+PA	+0858-07932	America/Panama
+PE	-1203-07703	America/Lima
+PF	-1732-14934	Pacific/Tahiti	Society Islands
+PF	-0900-13930	Pacific/Marquesas	Marquesas Islands
+PF	-2308-13457	Pacific/Gambier	Gambier Islands
+PG	-0930+14710	Pacific/Port_Moresby	most of Papua New Guinea
+PG	-0613+15534	Pacific/Bougainville	Bougainville
+PH	+1435+12100	Asia/Manila
+PK	+2452+06703	Asia/Karachi
+PL	+5215+02100	Europe/Warsaw
+PM	+4703-05620	America/Miquelon
+PN	-2504-13005	Pacific/Pitcairn
+PR	+182806-0660622	America/Puerto_Rico
+PS	+3130+03428	Asia/Gaza	Gaza Strip
+PS	+313200+0350542	Asia/Hebron	West Bank
+PT	+3843-00908	Europe/Lisbon	Portugal (mainland)
+PT	+3238-01654	Atlantic/Madeira	Madeira Islands
+PT	+3744-02540	Atlantic/Azores	Azores
+PW	+0720+13429	Pacific/Palau
+PY	-2516-05740	America/Asuncion
+QA	+2517+05132	Asia/Qatar
+RE	-2052+05528	Indian/Reunion
+RO	+4426+02606	Europe/Bucharest
+RS	+4450+02030	Europe/Belgrade
+RU	+5443+02030	Europe/Kaliningrad	MSK-01 - Kaliningrad
+RU	+554521+0373704	Europe/Moscow	MSK+00 - Moscow area
+# The obsolescent zone.tab format cannot represent Europe/Simferopol well.
+# Put it in RU section and list as UA.  See "territorial claims" above.
+# Programs should use zone1970.tab instead; see above.
+UA	+4457+03406	Europe/Simferopol	Crimea
+RU	+5836+04939	Europe/Kirov	MSK+00 - Kirov
+RU	+4844+04425	Europe/Volgograd	MSK+00 - Volgograd
+RU	+4621+04803	Europe/Astrakhan	MSK+01 - Astrakhan
+RU	+5134+04602	Europe/Saratov	MSK+01 - Saratov
+RU	+5420+04824	Europe/Ulyanovsk	MSK+01 - Ulyanovsk
+RU	+5312+05009	Europe/Samara	MSK+01 - Samara, Udmurtia
+RU	+5651+06036	Asia/Yekaterinburg	MSK+02 - Urals
+RU	+5500+07324	Asia/Omsk	MSK+03 - Omsk
+RU	+5502+08255	Asia/Novosibirsk	MSK+04 - Novosibirsk
+RU	+5322+08345	Asia/Barnaul	MSK+04 - Altai
+RU	+5630+08458	Asia/Tomsk	MSK+04 - Tomsk
+RU	+5345+08707	Asia/Novokuznetsk	MSK+04 - Kemerovo
+RU	+5601+09250	Asia/Krasnoyarsk	MSK+04 - Krasnoyarsk area
+RU	+5216+10420	Asia/Irkutsk	MSK+05 - Irkutsk, Buryatia
+RU	+5203+11328	Asia/Chita	MSK+06 - Zabaykalsky
+RU	+6200+12940	Asia/Yakutsk	MSK+06 - Lena River
+RU	+623923+1353314	Asia/Khandyga	MSK+06 - Tomponsky, Ust-Maysky
+RU	+4310+13156	Asia/Vladivostok	MSK+07 - Amur River
+RU	+643337+1431336	Asia/Ust-Nera	MSK+07 - Oymyakonsky
+RU	+5934+15048	Asia/Magadan	MSK+08 - Magadan
+RU	+4658+14242	Asia/Sakhalin	MSK+08 - Sakhalin Island
+RU	+6728+15343	Asia/Srednekolymsk	MSK+08 - Sakha (E), N Kuril Is
+RU	+5301+15839	Asia/Kamchatka	MSK+09 - Kamchatka
+RU	+6445+17729	Asia/Anadyr	MSK+09 - Bering Sea
+RW	-0157+03004	Africa/Kigali
+SA	+2438+04643	Asia/Riyadh
+SB	-0932+16012	Pacific/Guadalcanal
+SC	-0440+05528	Indian/Mahe
+SD	+1536+03232	Africa/Khartoum
+SE	+5920+01803	Europe/Stockholm
+SG	+0117+10351	Asia/Singapore
+SH	-1555-00542	Atlantic/St_Helena
+SI	+4603+01431	Europe/Ljubljana
+SJ	+7800+01600	Arctic/Longyearbyen
+SK	+4809+01707	Europe/Bratislava
+SL	+0830-01315	Africa/Freetown
+SM	+4355+01228	Europe/San_Marino
+SN	+1440-01726	Africa/Dakar
+SO	+0204+04522	Africa/Mogadishu
+SR	+0550-05510	America/Paramaribo
+SS	+0451+03137	Africa/Juba
+ST	+0020+00644	Africa/Sao_Tome
+SV	+1342-08912	America/El_Salvador
+SX	+180305-0630250	America/Lower_Princes
+SY	+3330+03618	Asia/Damascus
+SZ	-2618+03106	Africa/Mbabane
+TC	+2128-07108	America/Grand_Turk
+TD	+1207+01503	Africa/Ndjamena
+TF	-492110+0701303	Indian/Kerguelen
+TG	+0608+00113	Africa/Lome
+TH	+1345+10031	Asia/Bangkok
+TJ	+3835+06848	Asia/Dushanbe
+TK	-0922-17114	Pacific/Fakaofo
+TL	-0833+12535	Asia/Dili
+TM	+3757+05823	Asia/Ashgabat
+TN	+3648+01011	Africa/Tunis
+TO	-210800-1751200	Pacific/Tongatapu
+TR	+4101+02858	Europe/Istanbul
+TT	+1039-06131	America/Port_of_Spain
+TV	-0831+17913	Pacific/Funafuti
+TW	+2503+12130	Asia/Taipei
+TZ	-0648+03917	Africa/Dar_es_Salaam
+UA	+5026+03031	Europe/Kyiv	most of Ukraine
+UG	+0019+03225	Africa/Kampala
+UM	+2813-17722	Pacific/Midway	Midway Islands
+UM	+1917+16637	Pacific/Wake	Wake Island
+US	+404251-0740023	America/New_York	Eastern (most areas)
+US	+421953-0830245	America/Detroit	Eastern - MI (most areas)
+US	+381515-0854534	America/Kentucky/Louisville	Eastern - KY (Louisville area)
+US	+364947-0845057	America/Kentucky/Monticello	Eastern - KY (Wayne)
+US	+394606-0860929	America/Indiana/Indianapolis	Eastern - IN (most areas)
+US	+384038-0873143	America/Indiana/Vincennes	Eastern - IN (Da, Du, K, Mn)
+US	+410305-0863611	America/Indiana/Winamac	Eastern - IN (Pulaski)
+US	+382232-0862041	America/Indiana/Marengo	Eastern - IN (Crawford)
+US	+382931-0871643	America/Indiana/Petersburg	Eastern - IN (Pike)
+US	+384452-0850402	America/Indiana/Vevay	Eastern - IN (Switzerland)
+US	+415100-0873900	America/Chicago	Central (most areas)
+US	+375711-0864541	America/Indiana/Tell_City	Central - IN (Perry)
+US	+411745-0863730	America/Indiana/Knox	Central - IN (Starke)
+US	+450628-0873651	America/Menominee	Central - MI (Wisconsin border)
+US	+470659-1011757	America/North_Dakota/Center	Central - ND (Oliver)
+US	+465042-1012439	America/North_Dakota/New_Salem	Central - ND (Morton rural)
+US	+471551-1014640	America/North_Dakota/Beulah	Central - ND (Mercer)
+US	+394421-1045903	America/Denver	Mountain (most areas)
+US	+433649-1161209	America/Boise	Mountain - ID (south), OR (east)
+US	+332654-1120424	America/Phoenix	MST - AZ (except Navajo)
+US	+340308-1181434	America/Los_Angeles	Pacific
+US	+611305-1495401	America/Anchorage	Alaska (most areas)
+US	+581807-1342511	America/Juneau	Alaska - Juneau area
+US	+571035-1351807	America/Sitka	Alaska - Sitka area
+US	+550737-1313435	America/Metlakatla	Alaska - Annette Island
+US	+593249-1394338	America/Yakutat	Alaska - Yakutat
+US	+643004-1652423	America/Nome	Alaska (west)
+US	+515248-1763929	America/Adak	Alaska - western Aleutians
+US	+211825-1575130	Pacific/Honolulu	Hawaii
+UY	-345433-0561245	America/Montevideo
+UZ	+3940+06648	Asia/Samarkand	Uzbekistan (west)
+UZ	+4120+06918	Asia/Tashkent	Uzbekistan (east)
+VA	+415408+0122711	Europe/Vatican
+VC	+1309-06114	America/St_Vincent
+VE	+1030-06656	America/Caracas
+VG	+1827-06437	America/Tortola
+VI	+1821-06456	America/St_Thomas
+VN	+1045+10640	Asia/Ho_Chi_Minh
+VU	-1740+16825	Pacific/Efate
+WF	-1318-17610	Pacific/Wallis
+WS	-1350-17144	Pacific/Apia
+YE	+1245+04512	Asia/Aden
+YT	-1247+04514	Indian/Mayotte
+ZA	-2615+02800	Africa/Johannesburg
+ZM	-1525+02817	Africa/Lusaka
+ZW	-1750+03103	Africa/Harare
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zone1970.tab b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zone1970.tab
new file mode 100644
index 00000000..abd94897
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zone1970.tab
@@ -0,0 +1,375 @@
+# tzdb timezone descriptions
+#
+# This file is in the public domain.
+#
+# From Paul Eggert (2018-06-27):
+# This file contains a table where each row stands for a timezone where
+# civil timestamps have agreed since 1970.  Columns are separated by
+# a single tab.  Lines beginning with '#' are comments.  All text uses
+# UTF-8 encoding.  The columns of the table are as follows:
+#
+# 1.  The countries that overlap the timezone, as a comma-separated list
+#     of ISO 3166 2-character country codes.  See the file 'iso3166.tab'.
+# 2.  Latitude and longitude of the timezone's principal location
+#     in ISO 6709 sign-degrees-minutes-seconds format,
+#     either ±DDMM±DDDMM or ±DDMMSS±DDDMMSS,
+#     first latitude (+ is north), then longitude (+ is east).
+# 3.  Timezone name used in value of TZ environment variable.
+#     Please see the theory.html file for how these names are chosen.
+#     If multiple timezones overlap a country, each has a row in the
+#     table, with each column 1 containing the country code.
+# 4.  Comments; present if and only if countries have multiple timezones,
+#     and useful only for those countries.  For example, the comments
+#     for the row with countries CH,DE,LI and name Europe/Zurich
+#     are useful only for DE, since CH and LI have no other timezones.
+#
+# If a timezone covers multiple countries, the most-populous city is used,
+# and that country is listed first in column 1; any other countries
+# are listed alphabetically by country code.  The table is sorted
+# first by country code, then (if possible) by an order within the
+# country that (1) makes some geographical sense, and (2) puts the
+# most populous timezones first, where that does not contradict (1).
+#
+# This table is intended as an aid for users, to help them select timezones
+# appropriate for their practical needs.  It is not intended to take or
+# endorse any position on legal or territorial claims.
+#
+#country-
+#codes	coordinates	TZ	comments
+AD	+4230+00131	Europe/Andorra
+AE,OM,RE,SC,TF	+2518+05518	Asia/Dubai	Crozet
+AF	+3431+06912	Asia/Kabul
+AL	+4120+01950	Europe/Tirane
+AM	+4011+04430	Asia/Yerevan
+AQ	-6617+11031	Antarctica/Casey	Casey
+AQ	-6835+07758	Antarctica/Davis	Davis
+AQ	-6736+06253	Antarctica/Mawson	Mawson
+AQ	-6448-06406	Antarctica/Palmer	Palmer
+AQ	-6734-06808	Antarctica/Rothera	Rothera
+AQ	-720041+0023206	Antarctica/Troll	Troll
+AQ	-7824+10654	Antarctica/Vostok	Vostok
+AR	-3436-05827	America/Argentina/Buenos_Aires	Buenos Aires (BA, CF)
+AR	-3124-06411	America/Argentina/Cordoba	most areas: CB, CC, CN, ER, FM, MN, SE, SF
+AR	-2447-06525	America/Argentina/Salta	Salta (SA, LP, NQ, RN)
+AR	-2411-06518	America/Argentina/Jujuy	Jujuy (JY)
+AR	-2649-06513	America/Argentina/Tucuman	Tucumán (TM)
+AR	-2828-06547	America/Argentina/Catamarca	Catamarca (CT), Chubut (CH)
+AR	-2926-06651	America/Argentina/La_Rioja	La Rioja (LR)
+AR	-3132-06831	America/Argentina/San_Juan	San Juan (SJ)
+AR	-3253-06849	America/Argentina/Mendoza	Mendoza (MZ)
+AR	-3319-06621	America/Argentina/San_Luis	San Luis (SL)
+AR	-5138-06913	America/Argentina/Rio_Gallegos	Santa Cruz (SC)
+AR	-5448-06818	America/Argentina/Ushuaia	Tierra del Fuego (TF)
+AS,UM	-1416-17042	Pacific/Pago_Pago	Midway
+AT	+4813+01620	Europe/Vienna
+AU	-3133+15905	Australia/Lord_Howe	Lord Howe Island
+AU	-5430+15857	Antarctica/Macquarie	Macquarie Island
+AU	-4253+14719	Australia/Hobart	Tasmania
+AU	-3749+14458	Australia/Melbourne	Victoria
+AU	-3352+15113	Australia/Sydney	New South Wales (most areas)
+AU	-3157+14127	Australia/Broken_Hill	New South Wales (Yancowinna)
+AU	-2728+15302	Australia/Brisbane	Queensland (most areas)
+AU	-2016+14900	Australia/Lindeman	Queensland (Whitsunday Islands)
+AU	-3455+13835	Australia/Adelaide	South Australia
+AU	-1228+13050	Australia/Darwin	Northern Territory
+AU	-3157+11551	Australia/Perth	Western Australia (most areas)
+AU	-3143+12852	Australia/Eucla	Western Australia (Eucla)
+AZ	+4023+04951	Asia/Baku
+BB	+1306-05937	America/Barbados
+BD	+2343+09025	Asia/Dhaka
+BE,LU,NL	+5050+00420	Europe/Brussels
+BG	+4241+02319	Europe/Sofia
+BM	+3217-06446	Atlantic/Bermuda
+BO	-1630-06809	America/La_Paz
+BR	-0351-03225	America/Noronha	Atlantic islands
+BR	-0127-04829	America/Belem	Pará (east), Amapá
+BR	-0343-03830	America/Fortaleza	Brazil (northeast: MA, PI, CE, RN, PB)
+BR	-0803-03454	America/Recife	Pernambuco
+BR	-0712-04812	America/Araguaina	Tocantins
+BR	-0940-03543	America/Maceio	Alagoas, Sergipe
+BR	-1259-03831	America/Bahia	Bahia
+BR	-2332-04637	America/Sao_Paulo	Brazil (southeast: GO, DF, MG, ES, RJ, SP, PR, SC, RS)
+BR	-2027-05437	America/Campo_Grande	Mato Grosso do Sul
+BR	-1535-05605	America/Cuiaba	Mato Grosso
+BR	-0226-05452	America/Santarem	Pará (west)
+BR	-0846-06354	America/Porto_Velho	Rondônia
+BR	+0249-06040	America/Boa_Vista	Roraima
+BR	-0308-06001	America/Manaus	Amazonas (east)
+BR	-0640-06952	America/Eirunepe	Amazonas (west)
+BR	-0958-06748	America/Rio_Branco	Acre
+BT	+2728+08939	Asia/Thimphu
+BY	+5354+02734	Europe/Minsk
+BZ	+1730-08812	America/Belize
+CA	+4734-05243	America/St_Johns	Newfoundland, Labrador (SE)
+CA	+4439-06336	America/Halifax	Atlantic - NS (most areas), PE
+CA	+4612-05957	America/Glace_Bay	Atlantic - NS (Cape Breton)
+CA	+4606-06447	America/Moncton	Atlantic - New Brunswick
+CA	+5320-06025	America/Goose_Bay	Atlantic - Labrador (most areas)
+CA,BS	+4339-07923	America/Toronto	Eastern - ON & QC (most areas)
+CA	+6344-06828	America/Iqaluit	Eastern - NU (most areas)
+CA	+4953-09709	America/Winnipeg	Central - ON (west), Manitoba
+CA	+744144-0944945	America/Resolute	Central - NU (Resolute)
+CA	+624900-0920459	America/Rankin_Inlet	Central - NU (central)
+CA	+5024-10439	America/Regina	CST - SK (most areas)
+CA	+5017-10750	America/Swift_Current	CST - SK (midwest)
+CA	+5333-11328	America/Edmonton	Mountain - AB, BC(E), NT(E), SK(W)
+CA	+690650-1050310	America/Cambridge_Bay	Mountain - NU (west)
+CA	+682059-1334300	America/Inuvik	Mountain - NT (west)
+CA	+5546-12014	America/Dawson_Creek	MST - BC (Dawson Cr, Ft St John)
+CA	+5848-12242	America/Fort_Nelson	MST - BC (Ft Nelson)
+CA	+6043-13503	America/Whitehorse	MST - Yukon (east)
+CA	+6404-13925	America/Dawson	MST - Yukon (west)
+CA	+4916-12307	America/Vancouver	Pacific - BC (most areas)
+CH,DE,LI	+4723+00832	Europe/Zurich	Büsingen
+CI,BF,GH,GM,GN,IS,ML,MR,SH,SL,SN,TG	+0519-00402	Africa/Abidjan
+CK	-2114-15946	Pacific/Rarotonga
+CL	-3327-07040	America/Santiago	most of Chile
+CL	-5309-07055	America/Punta_Arenas	Region of Magallanes
+CL	-2709-10926	Pacific/Easter	Easter Island
+CN	+3114+12128	Asia/Shanghai	Beijing Time
+CN	+4348+08735	Asia/Urumqi	Xinjiang Time
+CO	+0436-07405	America/Bogota
+CR	+0956-08405	America/Costa_Rica
+CU	+2308-08222	America/Havana
+CV	+1455-02331	Atlantic/Cape_Verde
+CY	+3510+03322	Asia/Nicosia	most of Cyprus
+CY	+3507+03357	Asia/Famagusta	Northern Cyprus
+CZ,SK	+5005+01426	Europe/Prague
+DE,DK,NO,SE,SJ	+5230+01322	Europe/Berlin	most of Germany
+DO	+1828-06954	America/Santo_Domingo
+DZ	+3647+00303	Africa/Algiers
+EC	-0210-07950	America/Guayaquil	Ecuador (mainland)
+EC	-0054-08936	Pacific/Galapagos	Galápagos Islands
+EE	+5925+02445	Europe/Tallinn
+EG	+3003+03115	Africa/Cairo
+EH	+2709-01312	Africa/El_Aaiun
+ES	+4024-00341	Europe/Madrid	Spain (mainland)
+ES	+3553-00519	Africa/Ceuta	Ceuta, Melilla
+ES	+2806-01524	Atlantic/Canary	Canary Islands
+FI,AX	+6010+02458	Europe/Helsinki
+FJ	-1808+17825	Pacific/Fiji
+FK	-5142-05751	Atlantic/Stanley
+FM	+0519+16259	Pacific/Kosrae	Kosrae
+FO	+6201-00646	Atlantic/Faroe
+FR,MC	+4852+00220	Europe/Paris
+GB,GG,IM,JE	+513030-0000731	Europe/London
+GE	+4143+04449	Asia/Tbilisi
+GF	+0456-05220	America/Cayenne
+GI	+3608-00521	Europe/Gibraltar
+GL	+6411-05144	America/Nuuk	most of Greenland
+GL	+7646-01840	America/Danmarkshavn	National Park (east coast)
+GL	+7029-02158	America/Scoresbysund	Scoresbysund/Ittoqqortoormiit
+GL	+7634-06847	America/Thule	Thule/Pituffik
+GR	+3758+02343	Europe/Athens
+GS	-5416-03632	Atlantic/South_Georgia
+GT	+1438-09031	America/Guatemala
+GU,MP	+1328+14445	Pacific/Guam
+GW	+1151-01535	Africa/Bissau
+GY	+0648-05810	America/Guyana
+HK	+2217+11409	Asia/Hong_Kong
+HN	+1406-08713	America/Tegucigalpa
+HT	+1832-07220	America/Port-au-Prince
+HU	+4730+01905	Europe/Budapest
+ID	-0610+10648	Asia/Jakarta	Java, Sumatra
+ID	-0002+10920	Asia/Pontianak	Borneo (west, central)
+ID	-0507+11924	Asia/Makassar	Borneo (east, south), Sulawesi/Celebes, Bali, Nusa Tengarra, Timor (west)
+ID	-0232+14042	Asia/Jayapura	New Guinea (West Papua / Irian Jaya), Malukus/Moluccas
+IE	+5320-00615	Europe/Dublin
+IL	+314650+0351326	Asia/Jerusalem
+IN	+2232+08822	Asia/Kolkata
+IO	-0720+07225	Indian/Chagos
+IQ	+3321+04425	Asia/Baghdad
+IR	+3540+05126	Asia/Tehran
+IT,SM,VA	+4154+01229	Europe/Rome
+JM	+175805-0764736	America/Jamaica
+JO	+3157+03556	Asia/Amman
+JP	+353916+1394441	Asia/Tokyo
+KE,DJ,ER,ET,KM,MG,SO,TZ,UG,YT	-0117+03649	Africa/Nairobi
+KG	+4254+07436	Asia/Bishkek
+KI,MH,TV,UM,WF	+0125+17300	Pacific/Tarawa	Gilberts, Marshalls, Wake
+KI	-0247-17143	Pacific/Kanton	Phoenix Islands
+KI	+0152-15720	Pacific/Kiritimati	Line Islands
+KP	+3901+12545	Asia/Pyongyang
+KR	+3733+12658	Asia/Seoul
+KZ	+4315+07657	Asia/Almaty	most of Kazakhstan
+KZ	+4448+06528	Asia/Qyzylorda	Qyzylorda/Kyzylorda/Kzyl-Orda
+KZ	+5312+06337	Asia/Qostanay	Qostanay/Kostanay/Kustanay
+KZ	+5017+05710	Asia/Aqtobe	Aqtöbe/Aktobe
+KZ	+4431+05016	Asia/Aqtau	Mangghystaū/Mankistau
+KZ	+4707+05156	Asia/Atyrau	Atyraū/Atirau/Gur'yev
+KZ	+5113+05121	Asia/Oral	West Kazakhstan
+LB	+3353+03530	Asia/Beirut
+LK	+0656+07951	Asia/Colombo
+LR	+0618-01047	Africa/Monrovia
+LT	+5441+02519	Europe/Vilnius
+LV	+5657+02406	Europe/Riga
+LY	+3254+01311	Africa/Tripoli
+MA	+3339-00735	Africa/Casablanca
+MD	+4700+02850	Europe/Chisinau
+MH	+0905+16720	Pacific/Kwajalein	Kwajalein
+MM,CC	+1647+09610	Asia/Yangon
+MN	+4755+10653	Asia/Ulaanbaatar	most of Mongolia
+MN	+4801+09139	Asia/Hovd	Bayan-Ölgii, Govi-Altai, Hovd, Uvs, Zavkhan
+MN	+4804+11430	Asia/Choibalsan	Dornod, Sükhbaatar
+MO	+221150+1133230	Asia/Macau
+MQ	+1436-06105	America/Martinique
+MT	+3554+01431	Europe/Malta
+MU	-2010+05730	Indian/Mauritius
+MV,TF	+0410+07330	Indian/Maldives	Kerguelen, St Paul I, Amsterdam I
+MX	+1924-09909	America/Mexico_City	Central Mexico
+MX	+2105-08646	America/Cancun	Quintana Roo
+MX	+2058-08937	America/Merida	Campeche, Yucatán
+MX	+2540-10019	America/Monterrey	Durango; Coahuila, Nuevo León, Tamaulipas (most areas)
+MX	+2550-09730	America/Matamoros	Coahuila, Nuevo León, Tamaulipas (US border)
+MX	+2838-10605	America/Chihuahua	Chihuahua (most areas)
+MX	+3144-10629	America/Ciudad_Juarez	Chihuahua (US border - west)
+MX	+2934-10425	America/Ojinaga	Chihuahua (US border - east)
+MX	+2313-10625	America/Mazatlan	Baja California Sur, Nayarit (most areas), Sinaloa
+MX	+2048-10515	America/Bahia_Banderas	Bahía de Banderas
+MX	+2904-11058	America/Hermosillo	Sonora
+MX	+3232-11701	America/Tijuana	Baja California
+MY,BN	+0133+11020	Asia/Kuching	Sabah, Sarawak
+MZ,BI,BW,CD,MW,RW,ZM,ZW	-2558+03235	Africa/Maputo	Central Africa Time
+NA	-2234+01706	Africa/Windhoek
+NC	-2216+16627	Pacific/Noumea
+NF	-2903+16758	Pacific/Norfolk
+NG,AO,BJ,CD,CF,CG,CM,GA,GQ,NE	+0627+00324	Africa/Lagos	West Africa Time
+NI	+1209-08617	America/Managua
+NP	+2743+08519	Asia/Kathmandu
+NR	-0031+16655	Pacific/Nauru
+NU	-1901-16955	Pacific/Niue
+NZ,AQ	-3652+17446	Pacific/Auckland	New Zealand time
+NZ	-4357-17633	Pacific/Chatham	Chatham Islands
+PA,CA,KY	+0858-07932	America/Panama	EST - ON (Atikokan), NU (Coral H)
+PE	-1203-07703	America/Lima
+PF	-1732-14934	Pacific/Tahiti	Society Islands
+PF	-0900-13930	Pacific/Marquesas	Marquesas Islands
+PF	-2308-13457	Pacific/Gambier	Gambier Islands
+PG,AQ,FM	-0930+14710	Pacific/Port_Moresby	Papua New Guinea (most areas), Chuuk, Yap, Dumont d'Urville
+PG	-0613+15534	Pacific/Bougainville	Bougainville
+PH	+1435+12100	Asia/Manila
+PK	+2452+06703	Asia/Karachi
+PL	+5215+02100	Europe/Warsaw
+PM	+4703-05620	America/Miquelon
+PN	-2504-13005	Pacific/Pitcairn
+PR,AG,CA,AI,AW,BL,BQ,CW,DM,GD,GP,KN,LC,MF,MS,SX,TT,VC,VG,VI	+182806-0660622	America/Puerto_Rico	AST - QC (Lower North Shore)
+PS	+3130+03428	Asia/Gaza	Gaza Strip
+PS	+313200+0350542	Asia/Hebron	West Bank
+PT	+3843-00908	Europe/Lisbon	Portugal (mainland)
+PT	+3238-01654	Atlantic/Madeira	Madeira Islands
+PT	+3744-02540	Atlantic/Azores	Azores
+PW	+0720+13429	Pacific/Palau
+PY	-2516-05740	America/Asuncion
+QA,BH	+2517+05132	Asia/Qatar
+RO	+4426+02606	Europe/Bucharest
+RS,BA,HR,ME,MK,SI	+4450+02030	Europe/Belgrade
+RU	+5443+02030	Europe/Kaliningrad	MSK-01 - Kaliningrad
+RU	+554521+0373704	Europe/Moscow	MSK+00 - Moscow area
+# Mention RU and UA alphabetically.  See "territorial claims" above.
+RU,UA	+4457+03406	Europe/Simferopol	Crimea
+RU	+5836+04939	Europe/Kirov	MSK+00 - Kirov
+RU	+4844+04425	Europe/Volgograd	MSK+00 - Volgograd
+RU	+4621+04803	Europe/Astrakhan	MSK+01 - Astrakhan
+RU	+5134+04602	Europe/Saratov	MSK+01 - Saratov
+RU	+5420+04824	Europe/Ulyanovsk	MSK+01 - Ulyanovsk
+RU	+5312+05009	Europe/Samara	MSK+01 - Samara, Udmurtia
+RU	+5651+06036	Asia/Yekaterinburg	MSK+02 - Urals
+RU	+5500+07324	Asia/Omsk	MSK+03 - Omsk
+RU	+5502+08255	Asia/Novosibirsk	MSK+04 - Novosibirsk
+RU	+5322+08345	Asia/Barnaul	MSK+04 - Altai
+RU	+5630+08458	Asia/Tomsk	MSK+04 - Tomsk
+RU	+5345+08707	Asia/Novokuznetsk	MSK+04 - Kemerovo
+RU	+5601+09250	Asia/Krasnoyarsk	MSK+04 - Krasnoyarsk area
+RU	+5216+10420	Asia/Irkutsk	MSK+05 - Irkutsk, Buryatia
+RU	+5203+11328	Asia/Chita	MSK+06 - Zabaykalsky
+RU	+6200+12940	Asia/Yakutsk	MSK+06 - Lena River
+RU	+623923+1353314	Asia/Khandyga	MSK+06 - Tomponsky, Ust-Maysky
+RU	+4310+13156	Asia/Vladivostok	MSK+07 - Amur River
+RU	+643337+1431336	Asia/Ust-Nera	MSK+07 - Oymyakonsky
+RU	+5934+15048	Asia/Magadan	MSK+08 - Magadan
+RU	+4658+14242	Asia/Sakhalin	MSK+08 - Sakhalin Island
+RU	+6728+15343	Asia/Srednekolymsk	MSK+08 - Sakha (E), N Kuril Is
+RU	+5301+15839	Asia/Kamchatka	MSK+09 - Kamchatka
+RU	+6445+17729	Asia/Anadyr	MSK+09 - Bering Sea
+SA,AQ,KW,YE	+2438+04643	Asia/Riyadh	Syowa
+SB,FM	-0932+16012	Pacific/Guadalcanal	Pohnpei
+SD	+1536+03232	Africa/Khartoum
+SG,MY	+0117+10351	Asia/Singapore	peninsular Malaysia
+SR	+0550-05510	America/Paramaribo
+SS	+0451+03137	Africa/Juba
+ST	+0020+00644	Africa/Sao_Tome
+SV	+1342-08912	America/El_Salvador
+SY	+3330+03618	Asia/Damascus
+TC	+2128-07108	America/Grand_Turk
+TD	+1207+01503	Africa/Ndjamena
+TH,CX,KH,LA,VN	+1345+10031	Asia/Bangkok	north Vietnam
+TJ	+3835+06848	Asia/Dushanbe
+TK	-0922-17114	Pacific/Fakaofo
+TL	-0833+12535	Asia/Dili
+TM	+3757+05823	Asia/Ashgabat
+TN	+3648+01011	Africa/Tunis
+TO	-210800-1751200	Pacific/Tongatapu
+TR	+4101+02858	Europe/Istanbul
+TW	+2503+12130	Asia/Taipei
+UA	+5026+03031	Europe/Kyiv	most of Ukraine
+US	+404251-0740023	America/New_York	Eastern (most areas)
+US	+421953-0830245	America/Detroit	Eastern - MI (most areas)
+US	+381515-0854534	America/Kentucky/Louisville	Eastern - KY (Louisville area)
+US	+364947-0845057	America/Kentucky/Monticello	Eastern - KY (Wayne)
+US	+394606-0860929	America/Indiana/Indianapolis	Eastern - IN (most areas)
+US	+384038-0873143	America/Indiana/Vincennes	Eastern - IN (Da, Du, K, Mn)
+US	+410305-0863611	America/Indiana/Winamac	Eastern - IN (Pulaski)
+US	+382232-0862041	America/Indiana/Marengo	Eastern - IN (Crawford)
+US	+382931-0871643	America/Indiana/Petersburg	Eastern - IN (Pike)
+US	+384452-0850402	America/Indiana/Vevay	Eastern - IN (Switzerland)
+US	+415100-0873900	America/Chicago	Central (most areas)
+US	+375711-0864541	America/Indiana/Tell_City	Central - IN (Perry)
+US	+411745-0863730	America/Indiana/Knox	Central - IN (Starke)
+US	+450628-0873651	America/Menominee	Central - MI (Wisconsin border)
+US	+470659-1011757	America/North_Dakota/Center	Central - ND (Oliver)
+US	+465042-1012439	America/North_Dakota/New_Salem	Central - ND (Morton rural)
+US	+471551-1014640	America/North_Dakota/Beulah	Central - ND (Mercer)
+US	+394421-1045903	America/Denver	Mountain (most areas)
+US	+433649-1161209	America/Boise	Mountain - ID (south), OR (east)
+US,CA	+332654-1120424	America/Phoenix	MST - AZ (most areas), Creston BC
+US	+340308-1181434	America/Los_Angeles	Pacific
+US	+611305-1495401	America/Anchorage	Alaska (most areas)
+US	+581807-1342511	America/Juneau	Alaska - Juneau area
+US	+571035-1351807	America/Sitka	Alaska - Sitka area
+US	+550737-1313435	America/Metlakatla	Alaska - Annette Island
+US	+593249-1394338	America/Yakutat	Alaska - Yakutat
+US	+643004-1652423	America/Nome	Alaska (west)
+US	+515248-1763929	America/Adak	Alaska - western Aleutians
+US	+211825-1575130	Pacific/Honolulu	Hawaii
+UY	-345433-0561245	America/Montevideo
+UZ	+3940+06648	Asia/Samarkand	Uzbekistan (west)
+UZ	+4120+06918	Asia/Tashkent	Uzbekistan (east)
+VE	+1030-06656	America/Caracas
+VN	+1045+10640	Asia/Ho_Chi_Minh	south Vietnam
+VU	-1740+16825	Pacific/Efate
+WS	-1350-17144	Pacific/Apia
+ZA,LS,SZ	-2615+02800	Africa/Johannesburg
+#
+# The next section contains experimental tab-separated comments for
+# use by user agents like tzselect that identify continents and oceans.
+#
+# For example, the comment "#@AQ<tab>Antarctica/" means the country code
+# AQ is in the continent Antarctica regardless of the Zone name,
+# so Pacific/Auckland should be listed under Antarctica as well as
+# under the Pacific because its line's country codes include AQ.
+#
+# If more than one country code is affected each is listed separated
+# by commas, e.g., #@IS,SH<tab>Atlantic/".  If a country code is in
+# more than one continent or ocean, each is listed separated by
+# commas, e.g., the second column of "#@CY,TR<tab>Asia/,Europe/".
+#
+# These experimental comments are present only for country codes where
+# the continent or ocean is not already obvious from the Zone name.
+# For example, there is no such comment for RU since it already
+# corresponds to Zone names starting with both "Europe/" and "Asia/".
+#
+#@AQ	Antarctica/
+#@IS,SH	Atlantic/
+#@CY,TR	Asia/,Europe/
+#@SJ	Arctic/
+#@CC,CX,KM,MG,YT	Indian/
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zonenow.tab b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zonenow.tab
new file mode 100644
index 00000000..b6f29109
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zoneinfo/zonenow.tab
@@ -0,0 +1,303 @@
+# tzdb timezone descriptions, for users who do not care about old timestamps
+#
+# This file is in the public domain.
+#
+# From Paul Eggert (2023-12-18):
+# This file contains a table where each row stands for a timezone
+# where civil timestamps are predicted to agree from now on.
+# This file is like zone1970.tab (see zone1970.tab's coments),
+# but with the following changes:
+#
+# 1.  Each timezone corresponds to a set of clocks that are planned
+#     to agree from now on.  This is a larger set of clocks than in
+#     zone1970.tab, where each timezone's clocks must agree from 1970 on.
+# 2.  The first column is irrelevant and ignored.
+# 3.  The table is sorted in a different way:
+#     first by standard time UTC offset;
+#     then, if DST is used, by daylight saving UTC offset;
+#     then by time zone abbreviation.
+# 4.  Every timezone has a nonempty comments column, with wording
+#     distinguishing the timezone only from other timezones with the
+#     same UTC offset at some point during the year.
+#
+# The format of this table is experimental, and may change in future versions.
+#
+# This table is intended as an aid for users, to help them select timezones
+# appropriate for their practical needs.  It is not intended to take or
+# endorse any position on legal or territorial claims.
+#
+#XX	coordinates	TZ	comments
+#
+# -11 - SST
+XX	-1416-17042	Pacific/Pago_Pago	Midway; Samoa ("SST")
+#
+# -11
+XX	-1901-16955	Pacific/Niue	Niue
+#
+# -10 - HST
+XX	+211825-1575130	Pacific/Honolulu	Hawaii ("HST")
+#
+# -10
+XX	-1732-14934	Pacific/Tahiti	Tahiti; Cook Islands
+#
+# -10/-09 - HST / HDT (North America DST)
+XX	+515248-1763929	America/Adak	western Aleutians in Alaska ("HST/HDT")
+#
+# -09:30
+XX	-0900-13930	Pacific/Marquesas	Marquesas
+#
+# -09
+XX	-2308-13457	Pacific/Gambier	Gambier
+#
+# -09/-08 - AKST/AKDT (North America DST)
+XX	+611305-1495401	America/Anchorage	most of Alaska ("AKST/AKDT")
+#
+# -08
+XX	-2504-13005	Pacific/Pitcairn	Pitcairn
+#
+# -08/-07 - PST/PDT (North America DST)
+XX	+340308-1181434	America/Los_Angeles	Pacific ("PST/PDT") - US & Canada; Mexico near US border
+#
+# -07 - MST
+XX	+332654-1120424	America/Phoenix	Mountain Standard ("MST") - Arizona; western Mexico; Yukon
+#
+# -07/-06 - MST/MDT (North America DST)
+XX	+394421-1045903	America/Denver	Mountain ("MST/MDT") - US & Canada; Mexico near US border
+#
+# -06
+XX	-0054-08936	Pacific/Galapagos	Galápagos
+#
+# -06 - CST
+XX	+1924-09909	America/Mexico_City	Central Standard ("CST") - Saskatchewan; central Mexico; Central America
+#
+# -06/-05 (Chile DST)
+XX	-2709-10926	Pacific/Easter	Easter Island
+#
+# -06/-05 - CST/CDT (North America DST)
+XX	+415100-0873900	America/Chicago	Central ("CST/CDT") - US & Canada; Mexico near US border
+#
+# -05
+XX	-1203-07703	America/Lima	eastern South America
+#
+# -05 - EST
+XX	+175805-0764736	America/Jamaica	Eastern Standard ("EST") - Caymans; Jamaica; eastern Mexico; Panama
+#
+# -05/-04 - CST/CDT (Cuba DST)
+XX	+2308-08222	America/Havana	Cuba
+#
+# -05/-04 - EST/EDT (North America DST)
+XX	+404251-0740023	America/New_York	Eastern ("EST/EDT") - US & Canada
+#
+# -04
+XX	+1030-06656	America/Caracas	western South America
+#
+# -04 - AST
+XX	+1828-06954	America/Santo_Domingo	Atlantic Standard ("AST") - eastern Caribbean
+#
+# -04/-03 (Chile DST)
+XX	-3327-07040	America/Santiago	most of Chile
+#
+# -04/-03 (Paraguay DST)
+XX	-2516-05740	America/Asuncion	Paraguay
+#
+# -04/-03 - AST/ADT (North America DST)
+XX	+4439-06336	America/Halifax	Atlantic ("AST/ADT") - Canada; Bermuda
+#
+# -03:30/-02:30 - NST/NDT (North America DST)
+XX	+4734-05243	America/St_Johns	Newfoundland ("NST/NDT")
+#
+# -03
+XX	-2332-04637	America/Sao_Paulo	eastern South America
+#
+# -03/-02 (North America DST)
+XX	+4703-05620	America/Miquelon	St Pierre & Miquelon
+#
+# -02
+XX	-0351-03225	America/Noronha	Fernando de Noronha; South Georgia
+#
+# -02/-01 (EU DST)
+XX	+6411-05144	America/Nuuk	most of Greenland
+#
+# -01
+XX	+1455-02331	Atlantic/Cape_Verde	Cape Verde
+#
+# -01/+00 (EU DST)
+XX	+3744-02540	Atlantic/Azores	Azores
+# -01/+00 (EU DST) until 2024-03-31; then -02/-01 (EU DST)
+XX	+7029-02158	America/Scoresbysund	Ittoqqortoormiit
+#
+# +00 - GMT
+XX	+0519-00402	Africa/Abidjan	far western Africa; Iceland ("GMT")
+#
+# +00/+01 - GMT/BST (EU DST)
+XX	+513030-0000731	Europe/London	United Kingdom ("GMT/BST")
+#
+# +00/+01 - WET/WEST (EU DST)
+XX	+3843-00908	Europe/Lisbon	western Europe ("WET/WEST")
+#
+# +00/+02 - Troll DST
+XX	-720041+0023206	Antarctica/Troll	Troll Station in Antarctica
+#
+# +01 - CET
+XX	+3647+00303	Africa/Algiers	Algeria, Tunisia ("CET")
+#
+# +01 - WAT
+XX	+0627+00324	Africa/Lagos	western Africa ("WAT")
+#
+# +01/+00 - IST/GMT (EU DST in reverse)
+XX	+5320-00615	Europe/Dublin	Ireland ("IST/GMT")
+#
+# +01/+00 - (Morocco DST)
+XX	+3339-00735	Africa/Casablanca	Morocco
+#
+# +01/+02 - CET/CEST (EU DST)
+XX	+4852+00220	Europe/Paris	central Europe ("CET/CEST")
+#
+# +02 - CAT
+XX	-2558+03235	Africa/Maputo	central Africa ("CAT")
+#
+# +02 - EET
+XX	+3254+01311	Africa/Tripoli	Libya; Kaliningrad ("EET")
+#
+# +02 - SAST
+XX	-2615+02800	Africa/Johannesburg	southern Africa ("SAST")
+#
+# +02/+03 - EET/EEST (EU DST)
+XX	+3758+02343	Europe/Athens	eastern Europe ("EET/EEST")
+#
+# +02/+03 - EET/EEST (Egypt DST)
+XX	+3003+03115	Africa/Cairo	Egypt
+#
+# +02/+03 - EET/EEST (Lebanon DST)
+XX	+3353+03530	Asia/Beirut	Lebanon
+#
+# +02/+03 - EET/EEST (Moldova DST)
+XX	+4700+02850	Europe/Chisinau	Moldova
+#
+# +02/+03 - EET/EEST (Palestine DST)
+XX	+3130+03428	Asia/Gaza	Palestine
+#
+# +02/+03 - IST/IDT (Israel DST)
+XX	+314650+0351326	Asia/Jerusalem	Israel
+#
+# +03
+XX	+4101+02858	Europe/Istanbul	Near East; Belarus
+#
+# +03 - EAT
+XX	-0117+03649	Africa/Nairobi	eastern Africa ("EAT")
+#
+# +03 - MSK
+XX	+554521+0373704	Europe/Moscow	Moscow ("MSK")
+#
+# +03:30
+XX	+3540+05126	Asia/Tehran	Iran
+#
+# +04
+XX	+2518+05518	Asia/Dubai	Russia; Caucasus; Persian Gulf; Seychelles; Réunion
+#
+# +04:30
+XX	+3431+06912	Asia/Kabul	Afghanistan
+#
+# +05
+XX	+4120+06918	Asia/Tashkent	Russia; west Kazakhstan; Tajikistan; Turkmenistan; Uzbekistan; Maldives
+#
+# +05 - PKT
+XX	+2452+06703	Asia/Karachi	Pakistan ("PKT")
+#
+# +05:30
+XX	+0656+07951	Asia/Colombo	Sri Lanka
+#
+# +05:30 - IST
+XX	+2232+08822	Asia/Kolkata	India ("IST")
+#
+# +05:45
+XX	+2743+08519	Asia/Kathmandu	Nepal
+#
+# +06
+XX	+2343+09025	Asia/Dhaka	Russia; Kyrgyzstan; Bhutan; Bangladesh; Chagos
+# +06 until 2024-03-01; then +05
+XX	+4315+07657	Asia/Almaty	Kazakhstan (except western areas)
+#
+# +06:30
+XX	+1647+09610	Asia/Yangon	Myanmar; Cocos
+#
+# +07
+XX	+1345+10031	Asia/Bangkok	Russia; Indochina; Christmas Island
+#
+# +07 - WIB
+XX	-0610+10648	Asia/Jakarta	Indonesia ("WIB")
+#
+# +08
+XX	+0117+10351	Asia/Singapore	Russia; Brunei; Malaysia; Singapore
+#
+# +08 - AWST
+XX	-3157+11551	Australia/Perth	Western Australia ("AWST")
+#
+# +08 - CST
+XX	+3114+12128	Asia/Shanghai	China ("CST")
+#
+# +08 - HKT
+XX	+2217+11409	Asia/Hong_Kong	Hong Kong ("HKT")
+#
+# +08 - PHT
+XX	+1435+12100	Asia/Manila	Philippines ("PHT")
+#
+# +08 - WITA
+XX	-0507+11924	Asia/Makassar	Indonesia ("WITA")
+#
+# +08:45
+XX	-3143+12852	Australia/Eucla	Eucla
+#
+# +09
+XX	+5203+11328	Asia/Chita	Russia; Palau; East Timor
+#
+# +09 - JST
+XX	+353916+1394441	Asia/Tokyo	Japan ("JST")
+#
+# +09 - KST
+XX	+3733+12658	Asia/Seoul	Korea ("KST")
+#
+# +09 - WIT
+XX	-0232+14042	Asia/Jayapura	Indonesia ("WIT")
+#
+# +09:30 - ACST
+XX	-1228+13050	Australia/Darwin	Northern Territory ("ACST")
+#
+# +09:30/+10:30 - ACST/ACDT (Australia DST)
+XX	-3455+13835	Australia/Adelaide	South Australia ("ACST/ACDT")
+#
+# +10
+XX	+4310+13156	Asia/Vladivostok	Russia; Yap; Chuuk; Papua New Guinea; Dumont d'Urville
+#
+# +10 - AEST
+XX	-2728+15302	Australia/Brisbane	Queensland ("AEST")
+#
+# +10 - ChST
+XX	+1328+14445	Pacific/Guam	Mariana Islands ("ChST")
+#
+# +10/+11 - AEST/AEDT (Australia DST)
+XX	-3352+15113	Australia/Sydney	southeast Australia ("AEST/AEDT")
+#
+# +10:30/+11
+XX	-3133+15905	Australia/Lord_Howe	Lord Howe Island
+#
+# +11
+XX	-0613+15534	Pacific/Bougainville	Russia; Kosrae; Bougainville; Solomons
+#
+# +11/+12 (Australia DST)
+XX	-2903+16758	Pacific/Norfolk	Norfolk Island
+#
+# +12
+XX	+5301+15839	Asia/Kamchatka	Russia; Tuvalu; Fiji; etc.
+#
+# +12/+13 (New Zealand DST)
+XX	-3652+17446	Pacific/Auckland	New Zealand ("NZST/NZDT")
+#
+# +12:45/+13:45 (Chatham DST)
+XX	-4357-17633	Pacific/Chatham	Chatham Islands
+#
+# +13
+XX	-210800-1751200	Pacific/Tongatapu	Kanton; Tokelau; Samoa (western); Tonga
+#
+# +14
+XX	+0152-15720	Pacific/Kiritimati	Kiritimati
diff --git a/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zones b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zones
new file mode 100644
index 00000000..b054f010
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Lib/site-packages/tzdata/zones
@@ -0,0 +1,597 @@
+Africa/Abidjan
+Africa/Algiers
+Africa/Bissau
+Africa/Cairo
+Africa/Casablanca
+Africa/Ceuta
+Africa/El_Aaiun
+Africa/Johannesburg
+Africa/Juba
+Africa/Khartoum
+Africa/Lagos
+Africa/Maputo
+Africa/Monrovia
+Africa/Nairobi
+Africa/Ndjamena
+Africa/Sao_Tome
+Africa/Tripoli
+Africa/Tunis
+Africa/Windhoek
+America/Adak
+America/Anchorage
+America/Araguaina
+America/Argentina/Buenos_Aires
+America/Argentina/Catamarca
+America/Argentina/Cordoba
+America/Argentina/Jujuy
+America/Argentina/La_Rioja
+America/Argentina/Mendoza
+America/Argentina/Rio_Gallegos
+America/Argentina/Salta
+America/Argentina/San_Juan
+America/Argentina/San_Luis
+America/Argentina/Tucuman
+America/Argentina/Ushuaia
+America/Asuncion
+America/Bahia
+America/Bahia_Banderas
+America/Barbados
+America/Belem
+America/Belize
+America/Boa_Vista
+America/Bogota
+America/Boise
+America/Cambridge_Bay
+America/Campo_Grande
+America/Cancun
+America/Caracas
+America/Cayenne
+America/Chicago
+America/Chihuahua
+America/Ciudad_Juarez
+America/Costa_Rica
+America/Cuiaba
+America/Danmarkshavn
+America/Dawson
+America/Dawson_Creek
+America/Denver
+America/Detroit
+America/Edmonton
+America/Eirunepe
+America/El_Salvador
+America/Fort_Nelson
+America/Fortaleza
+America/Glace_Bay
+America/Goose_Bay
+America/Grand_Turk
+America/Guatemala
+America/Guayaquil
+America/Guyana
+America/Halifax
+America/Havana
+America/Hermosillo
+America/Indiana/Indianapolis
+America/Indiana/Knox
+America/Indiana/Marengo
+America/Indiana/Petersburg
+America/Indiana/Tell_City
+America/Indiana/Vevay
+America/Indiana/Vincennes
+America/Indiana/Winamac
+America/Inuvik
+America/Iqaluit
+America/Jamaica
+America/Juneau
+America/Kentucky/Louisville
+America/Kentucky/Monticello
+America/La_Paz
+America/Lima
+America/Los_Angeles
+America/Maceio
+America/Managua
+America/Manaus
+America/Martinique
+America/Matamoros
+America/Mazatlan
+America/Menominee
+America/Merida
+America/Metlakatla
+America/Mexico_City
+America/Miquelon
+America/Moncton
+America/Monterrey
+America/Montevideo
+America/New_York
+America/Nome
+America/Noronha
+America/North_Dakota/Beulah
+America/North_Dakota/Center
+America/North_Dakota/New_Salem
+America/Nuuk
+America/Ojinaga
+America/Panama
+America/Paramaribo
+America/Phoenix
+America/Port-au-Prince
+America/Porto_Velho
+America/Puerto_Rico
+America/Punta_Arenas
+America/Rankin_Inlet
+America/Recife
+America/Regina
+America/Resolute
+America/Rio_Branco
+America/Santarem
+America/Santiago
+America/Santo_Domingo
+America/Sao_Paulo
+America/Scoresbysund
+America/Sitka
+America/St_Johns
+America/Swift_Current
+America/Tegucigalpa
+America/Thule
+America/Tijuana
+America/Toronto
+America/Vancouver
+America/Whitehorse
+America/Winnipeg
+America/Yakutat
+Antarctica/Casey
+Antarctica/Davis
+Antarctica/Macquarie
+Antarctica/Mawson
+Antarctica/Palmer
+Antarctica/Rothera
+Antarctica/Troll
+Antarctica/Vostok
+Asia/Almaty
+Asia/Amman
+Asia/Anadyr
+Asia/Aqtau
+Asia/Aqtobe
+Asia/Ashgabat
+Asia/Atyrau
+Asia/Baghdad
+Asia/Baku
+Asia/Bangkok
+Asia/Barnaul
+Asia/Beirut
+Asia/Bishkek
+Asia/Chita
+Asia/Choibalsan
+Asia/Colombo
+Asia/Damascus
+Asia/Dhaka
+Asia/Dili
+Asia/Dubai
+Asia/Dushanbe
+Asia/Famagusta
+Asia/Gaza
+Asia/Hebron
+Asia/Ho_Chi_Minh
+Asia/Hong_Kong
+Asia/Hovd
+Asia/Irkutsk
+Asia/Jakarta
+Asia/Jayapura
+Asia/Jerusalem
+Asia/Kabul
+Asia/Kamchatka
+Asia/Karachi
+Asia/Kathmandu
+Asia/Khandyga
+Asia/Kolkata
+Asia/Krasnoyarsk
+Asia/Kuching
+Asia/Macau
+Asia/Magadan
+Asia/Makassar
+Asia/Manila
+Asia/Nicosia
+Asia/Novokuznetsk
+Asia/Novosibirsk
+Asia/Omsk
+Asia/Oral
+Asia/Pontianak
+Asia/Pyongyang
+Asia/Qatar
+Asia/Qostanay
+Asia/Qyzylorda
+Asia/Riyadh
+Asia/Sakhalin
+Asia/Samarkand
+Asia/Seoul
+Asia/Shanghai
+Asia/Singapore
+Asia/Srednekolymsk
+Asia/Taipei
+Asia/Tashkent
+Asia/Tbilisi
+Asia/Tehran
+Asia/Thimphu
+Asia/Tokyo
+Asia/Tomsk
+Asia/Ulaanbaatar
+Asia/Urumqi
+Asia/Ust-Nera
+Asia/Vladivostok
+Asia/Yakutsk
+Asia/Yangon
+Asia/Yekaterinburg
+Asia/Yerevan
+Atlantic/Azores
+Atlantic/Bermuda
+Atlantic/Canary
+Atlantic/Cape_Verde
+Atlantic/Faroe
+Atlantic/Madeira
+Atlantic/South_Georgia
+Atlantic/Stanley
+Australia/Adelaide
+Australia/Brisbane
+Australia/Broken_Hill
+Australia/Darwin
+Australia/Eucla
+Australia/Hobart
+Australia/Lindeman
+Australia/Lord_Howe
+Australia/Melbourne
+Australia/Perth
+Australia/Sydney
+CET
+CST6CDT
+EET
+EST
+EST5EDT
+Etc/GMT
+Etc/GMT+1
+Etc/GMT+10
+Etc/GMT+11
+Etc/GMT+12
+Etc/GMT+2
+Etc/GMT+3
+Etc/GMT+4
+Etc/GMT+5
+Etc/GMT+6
+Etc/GMT+7
+Etc/GMT+8
+Etc/GMT+9
+Etc/GMT-1
+Etc/GMT-10
+Etc/GMT-11
+Etc/GMT-12
+Etc/GMT-13
+Etc/GMT-14
+Etc/GMT-2
+Etc/GMT-3
+Etc/GMT-4
+Etc/GMT-5
+Etc/GMT-6
+Etc/GMT-7
+Etc/GMT-8
+Etc/GMT-9
+Etc/UTC
+Europe/Andorra
+Europe/Astrakhan
+Europe/Athens
+Europe/Belgrade
+Europe/Berlin
+Europe/Brussels
+Europe/Bucharest
+Europe/Budapest
+Europe/Chisinau
+Europe/Dublin
+Europe/Gibraltar
+Europe/Helsinki
+Europe/Istanbul
+Europe/Kaliningrad
+Europe/Kirov
+Europe/Kyiv
+Europe/Lisbon
+Europe/London
+Europe/Madrid
+Europe/Malta
+Europe/Minsk
+Europe/Moscow
+Europe/Paris
+Europe/Prague
+Europe/Riga
+Europe/Rome
+Europe/Samara
+Europe/Saratov
+Europe/Simferopol
+Europe/Sofia
+Europe/Tallinn
+Europe/Tirane
+Europe/Ulyanovsk
+Europe/Vienna
+Europe/Vilnius
+Europe/Volgograd
+Europe/Warsaw
+Europe/Zurich
+Factory
+HST
+Indian/Chagos
+Indian/Maldives
+Indian/Mauritius
+MET
+MST
+MST7MDT
+PST8PDT
+Pacific/Apia
+Pacific/Auckland
+Pacific/Bougainville
+Pacific/Chatham
+Pacific/Easter
+Pacific/Efate
+Pacific/Fakaofo
+Pacific/Fiji
+Pacific/Galapagos
+Pacific/Gambier
+Pacific/Guadalcanal
+Pacific/Guam
+Pacific/Honolulu
+Pacific/Kanton
+Pacific/Kiritimati
+Pacific/Kosrae
+Pacific/Kwajalein
+Pacific/Marquesas
+Pacific/Nauru
+Pacific/Niue
+Pacific/Norfolk
+Pacific/Noumea
+Pacific/Pago_Pago
+Pacific/Palau
+Pacific/Pitcairn
+Pacific/Port_Moresby
+Pacific/Rarotonga
+Pacific/Tahiti
+Pacific/Tarawa
+Pacific/Tongatapu
+WET
+GMT
+Australia/ACT
+Australia/LHI
+Australia/NSW
+Australia/North
+Australia/Queensland
+Australia/South
+Australia/Tasmania
+Australia/Victoria
+Australia/West
+Australia/Yancowinna
+Brazil/Acre
+Brazil/DeNoronha
+Brazil/East
+Brazil/West
+Canada/Atlantic
+Canada/Central
+Canada/Eastern
+Canada/Mountain
+Canada/Newfoundland
+Canada/Pacific
+Canada/Saskatchewan
+Canada/Yukon
+Chile/Continental
+Chile/EasterIsland
+Cuba
+Egypt
+Eire
+Etc/GMT+0
+Etc/GMT-0
+Etc/GMT0
+Etc/Greenwich
+Etc/UCT
+Etc/Universal
+Etc/Zulu
+GB
+GB-Eire
+GMT+0
+GMT-0
+GMT0
+Greenwich
+Hongkong
+Iceland
+Iran
+Israel
+Jamaica
+Japan
+Kwajalein
+Libya
+Mexico/BajaNorte
+Mexico/BajaSur
+Mexico/General
+NZ
+NZ-CHAT
+Navajo
+PRC
+Poland
+Portugal
+ROC
+ROK
+Singapore
+Turkey
+UCT
+US/Alaska
+US/Aleutian
+US/Arizona
+US/Central
+US/East-Indiana
+US/Eastern
+US/Hawaii
+US/Indiana-Starke
+US/Michigan
+US/Mountain
+US/Pacific
+US/Samoa
+UTC
+Universal
+W-SU
+Zulu
+America/Buenos_Aires
+America/Catamarca
+America/Cordoba
+America/Indianapolis
+America/Jujuy
+America/Knox_IN
+America/Louisville
+America/Mendoza
+America/Virgin
+Pacific/Samoa
+Africa/Accra
+Africa/Addis_Ababa
+Africa/Asmara
+Africa/Bamako
+Africa/Bangui
+Africa/Banjul
+Africa/Blantyre
+Africa/Brazzaville
+Africa/Bujumbura
+Africa/Conakry
+Africa/Dakar
+Africa/Dar_es_Salaam
+Africa/Djibouti
+Africa/Douala
+Africa/Freetown
+Africa/Gaborone
+Africa/Harare
+Africa/Kampala
+Africa/Kigali
+Africa/Kinshasa
+Africa/Libreville
+Africa/Lome
+Africa/Luanda
+Africa/Lubumbashi
+Africa/Lusaka
+Africa/Malabo
+Africa/Maseru
+Africa/Mbabane
+Africa/Mogadishu
+Africa/Niamey
+Africa/Nouakchott
+Africa/Ouagadougou
+Africa/Porto-Novo
+America/Anguilla
+America/Antigua
+America/Aruba
+America/Atikokan
+America/Blanc-Sablon
+America/Cayman
+America/Creston
+America/Curacao
+America/Dominica
+America/Grenada
+America/Guadeloupe
+America/Kralendijk
+America/Lower_Princes
+America/Marigot
+America/Montserrat
+America/Nassau
+America/Port_of_Spain
+America/St_Barthelemy
+America/St_Kitts
+America/St_Lucia
+America/St_Thomas
+America/St_Vincent
+America/Tortola
+Antarctica/DumontDUrville
+Antarctica/McMurdo
+Antarctica/Syowa
+Arctic/Longyearbyen
+Asia/Aden
+Asia/Bahrain
+Asia/Brunei
+Asia/Kuala_Lumpur
+Asia/Kuwait
+Asia/Muscat
+Asia/Phnom_Penh
+Asia/Vientiane
+Atlantic/Reykjavik
+Atlantic/St_Helena
+Europe/Amsterdam
+Europe/Bratislava
+Europe/Busingen
+Europe/Copenhagen
+Europe/Guernsey
+Europe/Isle_of_Man
+Europe/Jersey
+Europe/Ljubljana
+Europe/Luxembourg
+Europe/Mariehamn
+Europe/Monaco
+Europe/Oslo
+Europe/Podgorica
+Europe/San_Marino
+Europe/Sarajevo
+Europe/Skopje
+Europe/Stockholm
+Europe/Vaduz
+Europe/Vatican
+Europe/Zagreb
+Indian/Antananarivo
+Indian/Christmas
+Indian/Cocos
+Indian/Comoro
+Indian/Kerguelen
+Indian/Mahe
+Indian/Mayotte
+Indian/Reunion
+Pacific/Chuuk
+Pacific/Funafuti
+Pacific/Majuro
+Pacific/Midway
+Pacific/Pohnpei
+Pacific/Saipan
+Pacific/Wake
+Pacific/Wallis
+Africa/Timbuktu
+America/Argentina/ComodRivadavia
+America/Atka
+America/Coral_Harbour
+America/Ensenada
+America/Fort_Wayne
+America/Montreal
+America/Nipigon
+America/Pangnirtung
+America/Porto_Acre
+America/Rainy_River
+America/Rosario
+America/Santa_Isabel
+America/Shiprock
+America/Thunder_Bay
+America/Yellowknife
+Antarctica/South_Pole
+Asia/Chongqing
+Asia/Harbin
+Asia/Kashgar
+Asia/Tel_Aviv
+Atlantic/Jan_Mayen
+Australia/Canberra
+Australia/Currie
+Europe/Belfast
+Europe/Tiraspol
+Europe/Uzhgorod
+Europe/Zaporozhye
+Pacific/Enderbury
+Pacific/Johnston
+Pacific/Yap
+Africa/Asmera
+America/Godthab
+Asia/Ashkhabad
+Asia/Calcutta
+Asia/Chungking
+Asia/Dacca
+Asia/Istanbul
+Asia/Katmandu
+Asia/Macao
+Asia/Rangoon
+Asia/Saigon
+Asia/Thimbu
+Asia/Ujung_Pandang
+Asia/Ulan_Bator
+Atlantic/Faeroe
+Europe/Kiev
+Europe/Nicosia
+Pacific/Ponape
+Pacific/Truk
diff --git a/src/Mini-12306后端开发/env/Scripts/Activate.ps1 b/src/Mini-12306后端开发/env/Scripts/Activate.ps1
new file mode 100644
index 00000000..cb7e7417
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Scripts/Activate.ps1
@@ -0,0 +1,413 @@
+<#
+.Synopsis
+Activate a Python virtual environment for the current PowerShell session.
+
+.Description
+Pushes the python executable for a virtual environment to the front of the
+$Env:PATH environment variable and sets the prompt to signify that you are
+in a Python virtual environment. Makes use of the command line switches as
+well as the `pyvenv.cfg` file values present in the virtual environment.
+
+.Parameter VenvDir
+Path to the directory that contains the virtual environment to activate. The
+default value for this is the parent of the directory that the Activate.ps1
+script is located within.
+
+.Parameter Prompt
+The prompt prefix to display when this virtual environment is activated. By
+default, this prompt is the name of the virtual environment folder (VenvDir)
+surrounded by parentheses and followed by a single space (ie. '(.venv) ').
+
+.Example
+Activate.ps1
+Activates the Python virtual environment that contains the Activate.ps1 script.
+
+.Example
+Activate.ps1 -Verbose
+Activates the Python virtual environment that contains the Activate.ps1 script,
+and shows extra information about the activation as it executes.
+
+.Example
+Activate.ps1 -VenvDir C:\Users\MyUser\Common\.venv
+Activates the Python virtual environment located in the specified location.
+
+.Example
+Activate.ps1 -Prompt "MyPython"
+Activates the Python virtual environment that contains the Activate.ps1 script,
+and prefixes the current prompt with the specified string (surrounded in
+parentheses) while the virtual environment is active.
+
+.Notes
+On Windows, it may be required to enable this Activate.ps1 script by setting the
+execution policy for the user. You can do this by issuing the following PowerShell
+command:
+
+PS C:\> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
+
+For more information on Execution Policies: 
+https://go.microsoft.com/fwlink/?LinkID=135170
+
+#>
+Param(
+    [Parameter(Mandatory = $false)]
+    [String]
+    $VenvDir,
+    [Parameter(Mandatory = $false)]
+    [String]
+    $Prompt
+)
+
+<# Function declarations --------------------------------------------------- #>
+
+<#
+.Synopsis
+Remove all shell session elements added by the Activate script, including the
+addition of the virtual environment's Python executable from the beginning of
+the PATH variable.
+
+.Parameter NonDestructive
+If present, do not remove this function from the global namespace for the
+session.
+
+#>
+function global:deactivate ([switch]$NonDestructive) {
+    # Revert to original values
+
+    # The prior prompt:
+    if (Test-Path -Path Function:_OLD_VIRTUAL_PROMPT) {
+        Copy-Item -Path Function:_OLD_VIRTUAL_PROMPT -Destination Function:prompt
+        Remove-Item -Path Function:_OLD_VIRTUAL_PROMPT
+    }
+
+    # The prior PYTHONHOME:
+    if (Test-Path -Path Env:_OLD_VIRTUAL_PYTHONHOME) {
+        Copy-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME -Destination Env:PYTHONHOME
+        Remove-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME
+    }
+
+    # The prior PATH:
+    if (Test-Path -Path Env:_OLD_VIRTUAL_PATH) {
+        Copy-Item -Path Env:_OLD_VIRTUAL_PATH -Destination Env:PATH
+        Remove-Item -Path Env:_OLD_VIRTUAL_PATH
+    }
+
+    # Just remove the VIRTUAL_ENV altogether:
+    if (Test-Path -Path Env:VIRTUAL_ENV) {
+        Remove-Item -Path env:VIRTUAL_ENV
+    }
+
+    # Just remove the _PYTHON_VENV_PROMPT_PREFIX altogether:
+    if (Get-Variable -Name "_PYTHON_VENV_PROMPT_PREFIX" -ErrorAction SilentlyContinue) {
+        Remove-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Scope Global -Force
+    }
+
+    # Leave deactivate function in the global namespace if requested:
+    if (-not $NonDestructive) {
+        Remove-Item -Path function:deactivate
+    }
+}
+
+<#
+.Description
+Get-PyVenvConfig parses the values from the pyvenv.cfg file located in the
+given folder, and returns them in a map.
+
+For each line in the pyvenv.cfg file, if that line can be parsed into exactly
+two strings separated by `=` (with any amount of whitespace surrounding the =)
+then it is considered a `key = value` line. The left hand string is the key,
+the right hand is the value.
+
+If the value starts with a `'` or a `"` then the first and last character is
+stripped from the value before being captured.
+
+.Parameter ConfigDir
+Path to the directory that contains the `pyvenv.cfg` file.
+#>
+function Get-PyVenvConfig(
+    [String]
+    $ConfigDir
+) {
+    Write-Verbose "Given ConfigDir=$ConfigDir, obtain values in pyvenv.cfg"
+
+    # Ensure the file exists, and issue a warning if it doesn't (but still allow the function to continue).
+    $pyvenvConfigPath = Join-Path -Resolve -Path $ConfigDir -ChildPath 'pyvenv.cfg' -ErrorAction Continue
+
+    # An empty map will be returned if no config file is found.
+    $pyvenvConfig = @{ }
+
+    if ($pyvenvConfigPath) {
+
+        Write-Verbose "File exists, parse `key = value` lines"
+        $pyvenvConfigContent = Get-Content -Path $pyvenvConfigPath
+
+        $pyvenvConfigContent | ForEach-Object {
+            $keyval = $PSItem -split "\s*=\s*", 2
+            if ($keyval[0] -and $keyval[1]) {
+                $val = $keyval[1]
+
+                # Remove extraneous quotations around a string value.
+                if ("'""".Contains($val.Substring(0, 1))) {
+                    $val = $val.Substring(1, $val.Length - 2)
+                }
+
+                $pyvenvConfig[$keyval[0]] = $val
+                Write-Verbose "Adding Key: '$($keyval[0])'='$val'"
+            }
+        }
+    }
+    return $pyvenvConfig
+}
+
+
+<# Begin Activate script --------------------------------------------------- #>
+
+# Determine the containing directory of this script
+$VenvExecPath = Split-Path -Parent $MyInvocation.MyCommand.Definition
+$VenvExecDir = Get-Item -Path $VenvExecPath
+
+Write-Verbose "Activation script is located in path: '$VenvExecPath'"
+Write-Verbose "VenvExecDir Fullname: '$($VenvExecDir.FullName)"
+Write-Verbose "VenvExecDir Name: '$($VenvExecDir.Name)"
+
+# Set values required in priority: CmdLine, ConfigFile, Default
+# First, get the location of the virtual environment, it might not be
+# VenvExecDir if specified on the command line.
+if ($VenvDir) {
+    Write-Verbose "VenvDir given as parameter, using '$VenvDir' to determine values"
+}
+else {
+    Write-Verbose "VenvDir not given as a parameter, using parent directory name as VenvDir."
+    $VenvDir = $VenvExecDir.Parent.FullName.TrimEnd("\\/")
+    Write-Verbose "VenvDir=$VenvDir"
+}
+
+# Next, read the `pyvenv.cfg` file to determine any required value such
+# as `prompt`.
+$pyvenvCfg = Get-PyVenvConfig -ConfigDir $VenvDir
+
+# Next, set the prompt from the command line, or the config file, or
+# just use the name of the virtual environment folder.
+if ($Prompt) {
+    Write-Verbose "Prompt specified as argument, using '$Prompt'"
+}
+else {
+    Write-Verbose "Prompt not specified as argument to script, checking pyvenv.cfg value"
+    if ($pyvenvCfg -and $pyvenvCfg['prompt']) {
+        Write-Verbose "  Setting based on value in pyvenv.cfg='$($pyvenvCfg['prompt'])'"
+        $Prompt = $pyvenvCfg['prompt'];
+    }
+    else {
+        Write-Verbose "  Setting prompt based on parent's directory's name. (Is the directory name passed to venv module when creating the virtual environment)"
+        Write-Verbose "  Got leaf-name of $VenvDir='$(Split-Path -Path $venvDir -Leaf)'"
+        $Prompt = Split-Path -Path $venvDir -Leaf
+    }
+}
+
+Write-Verbose "Prompt = '$Prompt'"
+Write-Verbose "VenvDir='$VenvDir'"
+
+# Deactivate any currently active virtual environment, but leave the
+# deactivate function in place.
+deactivate -nondestructive
+
+# Now set the environment variable VIRTUAL_ENV, used by many tools to determine
+# that there is an activated venv.
+$env:VIRTUAL_ENV = $VenvDir
+
+if (-not $Env:VIRTUAL_ENV_DISABLE_PROMPT) {
+
+    Write-Verbose "Setting prompt to '$Prompt'"
+
+    # Set the prompt to include the env name
+    # Make sure _OLD_VIRTUAL_PROMPT is global
+    function global:_OLD_VIRTUAL_PROMPT { "" }
+    Copy-Item -Path function:prompt -Destination function:_OLD_VIRTUAL_PROMPT
+    New-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Description "Python virtual environment prompt prefix" -Scope Global -Option ReadOnly -Visibility Public -Value $Prompt
+
+    function global:prompt {
+        Write-Host -NoNewline -ForegroundColor Green "($_PYTHON_VENV_PROMPT_PREFIX) "
+        _OLD_VIRTUAL_PROMPT
+    }
+}
+
+# Clear PYTHONHOME
+if (Test-Path -Path Env:PYTHONHOME) {
+    Copy-Item -Path Env:PYTHONHOME -Destination Env:_OLD_VIRTUAL_PYTHONHOME
+    Remove-Item -Path Env:PYTHONHOME
+}
+
+# Add the venv to the PATH
+Copy-Item -Path Env:PATH -Destination Env:_OLD_VIRTUAL_PATH
+$Env:PATH = "$VenvExecDir$([System.IO.Path]::PathSeparator)$Env:PATH"
+
+# SIG # Begin signature block
+# MIIfoAYJKoZIhvcNAQcCoIIfkTCCH40CAQExDzANBglghkgBZQMEAgEFADB5Bgor
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+# SIG # End signature block
diff --git a/src/Mini-12306后端开发/env/Scripts/activate b/src/Mini-12306后端开发/env/Scripts/activate
new file mode 100644
index 00000000..29fd5294
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Scripts/activate
@@ -0,0 +1,66 @@
+# This file must be used with "source bin/activate" *from bash*
+# you cannot run it directly
+
+deactivate () {
+    # reset old environment variables
+    if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
+        PATH="${_OLD_VIRTUAL_PATH:-}"
+        export PATH
+        unset _OLD_VIRTUAL_PATH
+    fi
+    if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
+        PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
+        export PYTHONHOME
+        unset _OLD_VIRTUAL_PYTHONHOME
+    fi
+
+    # This should detect bash and zsh, which have a hash command that must
+    # be called to get it to forget past commands.  Without forgetting
+    # past commands the $PATH changes we made may not be respected
+    if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
+        hash -r 2> /dev/null
+    fi
+
+    if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
+        PS1="${_OLD_VIRTUAL_PS1:-}"
+        export PS1
+        unset _OLD_VIRTUAL_PS1
+    fi
+
+    unset VIRTUAL_ENV
+    if [ ! "${1:-}" = "nondestructive" ] ; then
+    # Self destruct!
+        unset -f deactivate
+    fi
+}
+
+# unset irrelevant variables
+deactivate nondestructive
+
+VIRTUAL_ENV="D:\作业文档\Mini-12306开发相关\Mini-12306后端开发\env"
+export VIRTUAL_ENV
+
+_OLD_VIRTUAL_PATH="$PATH"
+PATH="$VIRTUAL_ENV/Scripts:$PATH"
+export PATH
+
+# unset PYTHONHOME if set
+# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
+# could use `if (set -u; : $PYTHONHOME) ;` in bash
+if [ -n "${PYTHONHOME:-}" ] ; then
+    _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
+    unset PYTHONHOME
+fi
+
+if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
+    _OLD_VIRTUAL_PS1="${PS1:-}"
+    PS1="(env) ${PS1:-}"
+    export PS1
+fi
+
+# This should detect bash and zsh, which have a hash command that must
+# be called to get it to forget past commands.  Without forgetting
+# past commands the $PATH changes we made may not be respected
+if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
+    hash -r 2> /dev/null
+fi
diff --git a/src/Mini-12306后端开发/env/Scripts/activate.bat b/src/Mini-12306后端开发/env/Scripts/activate.bat
new file mode 100644
index 00000000..11d86927
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Scripts/activate.bat
@@ -0,0 +1,33 @@
+@echo off
+
+rem This file is UTF-8 encoded, so we need to update the current code page while executing it
+for /f "tokens=2 delims=:." %%a in ('"%SystemRoot%\System32\chcp.com"') do (
+    set _OLD_CODEPAGE=%%a
+)
+if defined _OLD_CODEPAGE (
+    "%SystemRoot%\System32\chcp.com" 65001 > nul
+)
+
+set VIRTUAL_ENV=D:\作业文档\Mini-12306开发相关\Mini-12306后端开发\env
+
+if not defined PROMPT set PROMPT=$P$G
+
+if defined _OLD_VIRTUAL_PROMPT set PROMPT=%_OLD_VIRTUAL_PROMPT%
+if defined _OLD_VIRTUAL_PYTHONHOME set PYTHONHOME=%_OLD_VIRTUAL_PYTHONHOME%
+
+set _OLD_VIRTUAL_PROMPT=%PROMPT%
+set PROMPT=(env) %PROMPT%
+
+if defined PYTHONHOME set _OLD_VIRTUAL_PYTHONHOME=%PYTHONHOME%
+set PYTHONHOME=
+
+if defined _OLD_VIRTUAL_PATH set PATH=%_OLD_VIRTUAL_PATH%
+if not defined _OLD_VIRTUAL_PATH set _OLD_VIRTUAL_PATH=%PATH%
+
+set PATH=%VIRTUAL_ENV%\Scripts;%PATH%
+
+:END
+if defined _OLD_CODEPAGE (
+    "%SystemRoot%\System32\chcp.com" %_OLD_CODEPAGE% > nul
+    set _OLD_CODEPAGE=
+)
diff --git a/src/Mini-12306后端开发/env/Scripts/deactivate.bat b/src/Mini-12306后端开发/env/Scripts/deactivate.bat
new file mode 100644
index 00000000..1205c618
--- /dev/null
+++ b/src/Mini-12306后端开发/env/Scripts/deactivate.bat
@@ -0,0 +1,21 @@
+@echo off
+
+if defined _OLD_VIRTUAL_PROMPT (
+    set "PROMPT=%_OLD_VIRTUAL_PROMPT%"
+)
+set _OLD_VIRTUAL_PROMPT=
+
+if defined _OLD_VIRTUAL_PYTHONHOME (
+    set "PYTHONHOME=%_OLD_VIRTUAL_PYTHONHOME%"
+    set _OLD_VIRTUAL_PYTHONHOME=
+)
+
+if defined _OLD_VIRTUAL_PATH (
+    set "PATH=%_OLD_VIRTUAL_PATH%"
+)
+
+set _OLD_VIRTUAL_PATH=
+
+set VIRTUAL_ENV=
+
+:END
diff --git a/src/Mini-12306后端开发/env/Scripts/django-admin.exe b/src/Mini-12306后端开发/env/Scripts/django-admin.exe
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index 00000000..8583fcfa
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diff --git a/src/Mini-12306后端开发/env/Scripts/pip.exe b/src/Mini-12306后端开发/env/Scripts/pip.exe
new file mode 100644
index 00000000..dc74027b
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diff --git a/src/Mini-12306后端开发/env/Scripts/pip3.11.exe b/src/Mini-12306后端开发/env/Scripts/pip3.11.exe
new file mode 100644
index 00000000..dc74027b
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diff --git a/src/Mini-12306后端开发/env/Scripts/pip3.exe b/src/Mini-12306后端开发/env/Scripts/pip3.exe
new file mode 100644
index 00000000..dc74027b
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diff --git a/src/Mini-12306后端开发/env/Scripts/python.exe b/src/Mini-12306后端开发/env/Scripts/python.exe
new file mode 100644
index 00000000..f5f68b64
Binary files /dev/null and b/src/Mini-12306后端开发/env/Scripts/python.exe differ
diff --git a/src/Mini-12306后端开发/env/Scripts/pythonw.exe b/src/Mini-12306后端开发/env/Scripts/pythonw.exe
new file mode 100644
index 00000000..adcf1ae8
Binary files /dev/null and b/src/Mini-12306后端开发/env/Scripts/pythonw.exe differ
diff --git a/src/Mini-12306后端开发/env/Scripts/sqlformat.exe b/src/Mini-12306后端开发/env/Scripts/sqlformat.exe
new file mode 100644
index 00000000..186ed50d
Binary files /dev/null and b/src/Mini-12306后端开发/env/Scripts/sqlformat.exe differ
diff --git a/src/Mini-12306后端开发/env/pyvenv.cfg b/src/Mini-12306后端开发/env/pyvenv.cfg
new file mode 100644
index 00000000..65fa6bde
--- /dev/null
+++ b/src/Mini-12306后端开发/env/pyvenv.cfg
@@ -0,0 +1,3 @@
+home = C:\Program Files\Python39
+include-system-site-packages = false
+version = 3.9.10
diff --git a/src/wq/mysite/db.sqlite3 b/src/Mini-12306后端开发/mysite/db.sqlite3
similarity index 100%
rename from src/wq/mysite/db.sqlite3
rename to src/Mini-12306后端开发/mysite/db.sqlite3
diff --git a/src/wq/mysite/manage.py b/src/Mini-12306后端开发/mysite/manage.py
similarity index 100%
rename from src/wq/mysite/manage.py
rename to src/Mini-12306后端开发/mysite/manage.py
diff --git a/src/wq/mysite/myapp/Login.py b/src/Mini-12306后端开发/mysite/myapp/Login.py
similarity index 100%
rename from src/wq/mysite/myapp/Login.py
rename to src/Mini-12306后端开发/mysite/myapp/Login.py
diff --git a/src/Mini-12306后端开发/mysite/myapp/__init__.py b/src/Mini-12306后端开发/mysite/myapp/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/Login.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/Login.cpython-39.pyc
new file mode 100644
index 00000000..db90a340
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diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/__init__.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/__init__.cpython-39.pyc
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index 00000000..a5d6ca71
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diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/admin.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/admin.cpython-39.pyc
new file mode 100644
index 00000000..c729684c
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diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/apps.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/apps.cpython-39.pyc
new file mode 100644
index 00000000..350088dd
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diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/middlewares.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/middlewares.cpython-39.pyc
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index 00000000..b79fdd0d
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diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/models.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/models.cpython-39.pyc
new file mode 100644
index 00000000..97cb0855
Binary files /dev/null and b/src/Mini-12306后端开发/mysite/myapp/__pycache__/models.cpython-39.pyc differ
diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/urls.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/urls.cpython-39.pyc
new file mode 100644
index 00000000..ce249d81
Binary files /dev/null and b/src/Mini-12306后端开发/mysite/myapp/__pycache__/urls.cpython-39.pyc differ
diff --git a/src/Mini-12306后端开发/mysite/myapp/__pycache__/views.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/__pycache__/views.cpython-39.pyc
new file mode 100644
index 00000000..b732a8b5
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diff --git a/src/Mini-12306后端开发/mysite/myapp/admin.py b/src/Mini-12306后端开发/mysite/myapp/admin.py
new file mode 100644
index 00000000..1c4f60f2
--- /dev/null
+++ b/src/Mini-12306后端开发/mysite/myapp/admin.py
@@ -0,0 +1,5 @@
+from django.contrib import admin
+# from .models import Train  
+# admin.site.register(Train)
+
+# Register your models here.
\ No newline at end of file
diff --git a/src/wq/mysite/myapp/apps.py b/src/Mini-12306后端开发/mysite/myapp/apps.py
similarity index 100%
rename from src/wq/mysite/myapp/apps.py
rename to src/Mini-12306后端开发/mysite/myapp/apps.py
diff --git a/src/wq/mysite/myapp/backends.py b/src/Mini-12306后端开发/mysite/myapp/backends.py
similarity index 100%
rename from src/wq/mysite/myapp/backends.py
rename to src/Mini-12306后端开发/mysite/myapp/backends.py
diff --git a/src/wq/mysite/myapp/middlewares.py b/src/Mini-12306后端开发/mysite/myapp/middlewares.py
similarity index 100%
rename from src/wq/mysite/myapp/middlewares.py
rename to src/Mini-12306后端开发/mysite/myapp/middlewares.py
diff --git a/src/Mini-12306后端开发/mysite/myapp/migrations/0001_initial.py b/src/Mini-12306后端开发/mysite/myapp/migrations/0001_initial.py
new file mode 100644
index 00000000..6ba3e270
--- /dev/null
+++ b/src/Mini-12306后端开发/mysite/myapp/migrations/0001_initial.py
@@ -0,0 +1,92 @@
+# Generated by Django 4.2.13 on 2024-06-17 10:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    initial = True
+
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name="Buylist",
+            fields=[
+                ("id", models.IntegerField(primary_key=True, serialize=False)),
+                ("passenger_name", models.CharField(max_length=100, null=True)),
+                ("date", models.DateTimeField(max_length=100, null=True)),
+                ("trainno", models.CharField(max_length=100, null=True)),
+                (
+                    "tickettype",
+                    models.CharField(
+                        choices=[
+                            ("商务座", "商务座"),
+                            ("一等座", "一等座"),
+                            ("二等座", "二等座"),
+                            ("无座", "无座"),
+                        ],
+                        max_length=10,
+                    ),
+                ),
+                (
+                    "price",
+                    models.DecimalField(decimal_places=2, max_digits=10, null=True),
+                ),
+                ("seatno", models.CharField(max_length=100, null=True)),
+                (
+                    "state",
+                    models.CharField(
+                        choices=[("已售", "已售"), ("未售", "未售")], max_length=10
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Passenger",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=100, null=True)),
+                ("account", models.CharField(max_length=100, null=True)),
+                ("password", models.CharField(max_length=100, null=True)),
+                ("mobileno", models.CharField(max_length=20, null=True)),
+                ("bankcardno", models.CharField(max_length=100, null=True)),
+                ("idcardno", models.CharField(max_length=100, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Ticket",
+            fields=[
+                ("id", models.IntegerField(primary_key=True, serialize=False)),
+                ("date", models.DateField(max_length=100, null=True)),
+                ("trainno", models.CharField(max_length=100, null=True)),
+                ("secondseatnum", models.IntegerField(null=True)),
+                ("secondseatprice", models.CharField(max_length=100, null=True)),
+                ("firstseatnum", models.IntegerField(null=True)),
+                ("firstseatprice", models.CharField(max_length=100, null=True)),
+                ("businessseatnum", models.IntegerField(null=True)),
+                ("businessseatprice", models.CharField(max_length=100, null=True)),
+                ("noseatnum", models.IntegerField(null=True)),
+                ("noseatprice", models.CharField(max_length=100, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Train",
+            fields=[
+                ("id", models.IntegerField(primary_key=True, serialize=False)),
+                ("trainno", models.CharField(max_length=100, null=True)),
+                ("date", models.DateField(null=True)),
+                ("departure_station", models.CharField(max_length=100, null=True)),
+                ("arrival_station", models.CharField(max_length=100, null=True)),
+                ("departure_time", models.CharField(max_length=100, null=True)),
+                ("arrival_time", models.CharField(max_length=100, null=True)),
+            ],
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/mysite/myapp/migrations/0002_newpassenger.py b/src/Mini-12306后端开发/mysite/myapp/migrations/0002_newpassenger.py
new file mode 100644
index 00000000..3f9e8657
--- /dev/null
+++ b/src/Mini-12306后端开发/mysite/myapp/migrations/0002_newpassenger.py
@@ -0,0 +1,30 @@
+# Generated by Django 4.2.13 on 2024-06-17 12:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("myapp", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Newpassenger",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=100, null=True)),
+                ("mobileno", models.CharField(max_length=20, null=True)),
+                ("idcardno", models.CharField(max_length=100, null=True)),
+                ("passengerstate", models.CharField(max_length=100, null=True)),
+            ],
+        ),
+    ]
diff --git a/src/Mini-12306后端开发/mysite/myapp/migrations/__init__.py b/src/Mini-12306后端开发/mysite/myapp/migrations/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/0001_initial.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/0001_initial.cpython-39.pyc
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diff --git a/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/0002_newpassenger.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/0002_newpassenger.cpython-39.pyc
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diff --git a/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/0002_rename_hardseatnum_ticket_businessseatnum_and_more.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/0002_rename_hardseatnum_ticket_businessseatnum_and_more.cpython-39.pyc
new file mode 100644
index 00000000..f3fafc21
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diff --git a/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/__init__.cpython-39.pyc b/src/Mini-12306后端开发/mysite/myapp/migrations/__pycache__/__init__.cpython-39.pyc
new file mode 100644
index 00000000..50f6e0a3
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diff --git a/src/Mini-12306后端开发/mysite/myapp/models.py b/src/Mini-12306后端开发/mysite/myapp/models.py
new file mode 100644
index 00000000..cf4f8a2c
--- /dev/null
+++ b/src/Mini-12306后端开发/mysite/myapp/models.py
@@ -0,0 +1,65 @@
+from django.db import models
+
+class Passenger(models.Model):
+    name = models.CharField(max_length=100, null=True)
+    account = models.CharField(max_length=100, null=True)
+    password = models.CharField(max_length=100, null=True)
+    mobileno = models.CharField(max_length=20, null=True)
+    bankcardno = models.CharField(max_length=100, null=True)
+    idcardno = models.CharField(max_length=100, null=True)
+    # 添加更多字段...
+
+class Newpassenger(models.Model):
+    name = models.CharField(max_length=100, null=True)
+    mobileno = models.CharField(max_length=20, null=True)
+    idcardno = models.CharField(max_length=100, null=True)
+    passengerstate = models.CharField(max_length=100, null=True)
+    # 添加更多字段...
+
+    # def __str__(self):
+    #     return self.name
+
+class Train(models.Model):
+    id = models.IntegerField(primary_key=True)
+    trainno = models.CharField(max_length=100, null=True)
+    date = models.DateField(null=True)
+    departure_station = models.CharField(max_length=100, null=True)
+    arrival_station = models.CharField(max_length=100, null=True)
+    departure_time = models.CharField(max_length=100, null=True)
+    arrival_time = models.CharField(max_length=100, null=True) #DateTimeField
+
+class Ticket(models.Model):
+    id = models.IntegerField(primary_key=True)
+    date=models.DateField(max_length=100, null=True)
+    trainno=models.CharField(max_length=100, null=True)
+    secondseatnum = models.IntegerField(null=True)  
+    secondseatprice = models.CharField(max_length=100, null=True)
+    firstseatnum = models.IntegerField(null=True)
+    firstseatprice = models.CharField(max_length=100, null=True)
+    businessseatnum = models.IntegerField(null=True)
+    businessseatprice = models.CharField(max_length=100, null=True)
+    noseatnum = models.IntegerField(null=True)
+    noseatprice = models.CharField(max_length=100, null=True)
+    
+    
+class Buylist(models.Model):
+    TICKET_TYPES  = [
+        ('商务座', '商务座'),
+        ('一等座', '一等座'),
+        ('二等座', '二等座'),
+        ('无座', '无座'),
+    ]
+    
+    STATE_TYPES = [
+        ('已售', '已售'),
+        ('未售', '未售'),
+    ]
+    id = models.IntegerField(primary_key=True)
+    passenger_name = models.CharField(max_length=100, null=True)
+    date=models.DateTimeField(max_length=100, null=True)
+    trainno=models.CharField(max_length=100, null=True)
+    tickettype = models.CharField(max_length=10, choices=TICKET_TYPES )
+    # tickettype = models.CharField(max_length=10, choices=(('商务座', '商务座'), ('一等座', '一等座'), ('二等座', '二等座'), ('无座', '无座')))
+    price = models.DecimalField(max_digits=10, decimal_places=2, null=True)
+    seatno = models.CharField(max_length=100, null=True)#座位号码
+    state = models.CharField(max_length=10, choices=STATE_TYPES)
diff --git a/src/wq/mysite/myapp/testdb.py b/src/Mini-12306后端开发/mysite/myapp/testdb.py
similarity index 59%
rename from src/wq/mysite/myapp/testdb.py
rename to src/Mini-12306后端开发/mysite/myapp/testdb.py
index 23d08f4f..59ab3c64 100644
--- a/src/wq/mysite/myapp/testdb.py
+++ b/src/Mini-12306后端开发/mysite/myapp/testdb.py
@@ -2,7 +2,7 @@
  
 from django.http import HttpResponse
  
-from TestModel.models import Test
+from TestModel.models import Test # type: ignore
  
 # 数据库操作
 def testdb(request):
diff --git a/src/wq/mysite/myapp/tests.py b/src/Mini-12306后端开发/mysite/myapp/tests.py
similarity index 100%
rename from src/wq/mysite/myapp/tests.py
rename to src/Mini-12306后端开发/mysite/myapp/tests.py
diff --git a/src/Mini-12306后端开发/mysite/myapp/urls.py b/src/Mini-12306后端开发/mysite/myapp/urls.py
new file mode 100644
index 00000000..781d851d
--- /dev/null
+++ b/src/Mini-12306后端开发/mysite/myapp/urls.py
@@ -0,0 +1,15 @@
+# passengers/urls.py
+from django.urls import path
+from . import views
+# from myapp.views import save_passenger
+
+urlpatterns = [
+    path('save-passenger/', views.save_passenger, name='save_passenger'),
+    path('login/', views.login_view, name='login'),
+    path('search_train/', views.search_train, name='search_train'),
+    path('book_ticket/', views.book_ticket, name='book_ticket'),
+    path('addpassenger/', views.addpassenger, name='addpassenger'),
+    path('refund_ticket/', views.refund_ticket, name='refund_ticket'),
+    path('reschedule_ticket/', views.reschedule_ticket, name='reschedule_ticket'),
+    path('get_passengers/', views.get_passengers, name='get_passengers'),
+]
\ No newline at end of file
diff --git a/src/Mini-12306后端开发/mysite/myapp/views.py b/src/Mini-12306后端开发/mysite/myapp/views.py
new file mode 100644
index 00000000..dfd020d3
--- /dev/null
+++ b/src/Mini-12306后端开发/mysite/myapp/views.py
@@ -0,0 +1,229 @@
+# myapp/views.py
+from django.views.decorators.csrf import csrf_exempt  
+from django.http import HttpResponseBadRequest  
+from django.http import HttpResponse
+from django.contrib.auth import authenticate, login 
+# from django.contrib.auth.models import User
+from django.shortcuts import render 
+from .models import Passenger, Buylist
+import json  # 确保导入了json模块 
+from django.http import JsonResponse  
+from .models import Train, Ticket ,Newpassenger # 假设车票模型名称为Train
+
+@csrf_exempt  # 如果需要跨域且没有CSRF中间件
+def save_passenger(request):
+    if request.method == 'POST':  
+        try:  
+            # 解析 JSON 数据  
+            data = json.loads(request.body)  
+            name = data.get('name')  
+            account = data.get('PhoneNO')
+            idcardno = data.get('idCard')  
+            mobileno = data.get('PhoneNO')
+            password = data.get('password')
+            bankcardno = data.get('Bankcard')
+
+        # 创建Passenger对象并保存到数据库
+            passenger = Passenger(
+            name=name,
+            account=account,
+            password=password,
+            mobileno=mobileno,
+            bankcardno=bankcardno,
+            idcardno=idcardno
+        )
+            passenger.save()
+ 
+            return JsonResponse({'message': '注册成功'})  
+            # else:  
+            #     return JsonResponse({'message': '注册失败', 'reason': '姓名或身份证号不正确'})  # 使用JsonResponse并设置状态码  
+        except KeyError as e:  
+            # 如果有任何键不存在，返回400错误  
+            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)  
+        except json.JSONDecodeError:  # 添加异常处理来捕获JSON解析错误  
+            return JsonResponse({'message': '无效的JSON数据'}, status=400)  
+  
+    # 处理非POST请求的情况  
+    return JsonResponse({'message': '不支持的请求方法'}, status=405)  # 对于非POST请求，返回405状态码
+
+
+def login_view(request):
+    if request.method == 'POST':  
+        try:  
+            # 解析 JSON 数据  
+            data = json.loads(request.body)  
+            account = data.get('account')  
+            password = data.get('password') 
+            # 查询 passenger 表，查找匹配的账号和密码
+            # passenger = Passenger.objects.filter(account=account, password=password).first()
+            passenger = Passenger.objects.filter(account=account, password=password)
+            if passenger.exists():  
+            #     user = authenticate(request, account=passenger.account, password=passenger.password)
+            #     if user is not None:
+            #         login(request, user)
+                return JsonResponse({'message': '登录成功'})  
+            else :
+                return JsonResponse({'message': '登录失败', 'reason': '账号或密码不正确'})  # 使用JsonResponse并设置状态码  
+            # else:  
+            #     return JsonResponse({'message': '登录失败', 'reason': '账号或密码不正确'})  # 使用JsonResponse并设置状态码  
+        except KeyError as e:  
+            # 如果有任何键不存在，返回400错误  
+            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)  
+        except json.JSONDecodeError:  # 添加异常处理来捕获JSON解析错误  
+            return JsonResponse({'message': '无效的JSON数据'}, status=400)  
+  
+    # 处理非POST请求的情况  
+    return JsonResponse({'message': '不支持的请求方法'}, status=405)
+
+#查询车次
+def search_train(request):
+    if request.method == 'POST':
+        try:
+            data = json.loads(request.body)
+            departure = data.get('departure')  # 前端传入的出发站
+            destination = data.get('destination')  # 前端传入的到达站
+            date = data.get('date')  # 前端传入的日期
+
+            # 在 Train 模型中查询符合条件的车次信息,等号左边的 departure 是数据库中车票模型 Ticket 的一个字段名，表示出发地。
+            trains = Train.objects.filter(departure_station=departure, arrival_station=destination, date=date)
+            if trains.exists():
+                train_data = [{'id': train.id, 'trainno': train.trainno, 'date': train.date, 'departure_station': train.departure_station, 'arrival_station': 
+                               train.arrival_station, 'departure_time': train.departure_time, 'arrival_time': train.arrival_time} for train in trains]
+                return JsonResponse({'message': '查询成功', 'trains': train_data})
+            else:
+                return JsonResponse({'message': '查询失败', 'reason': '未找到匹配的车次信息'})
+        except KeyError as e:
+            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)
+        except json.JSONDecodeError:
+            return JsonResponse({'message': '无效的JSON数据'}, status=400)
+
+    return JsonResponse({'message': '不支持的请求方法'}, status=405)
+
+#预订车票
+def book_ticket(request):
+    if request.method == 'POST':
+        try:
+            data = json.loads(request.body)
+            date = data.get('date')  # 日期
+            trainno = data.get('trainno')  # 车次
+
+            tickets = Ticket.objects.filter(trainno=trainno, date=date)
+
+            if tickets.exists():
+                # 构造返回的车票信息
+                # ticket_data = [{'secondseatnum': ticket.secondseatnum, 'secondseatprice': ticket.secondseatprice,'firstseatnum': ticket.firstseatnum, 
+                #                 'firstseatprice': ticket.firstseatprice,'businessseatnum': ticket.businessseatnum, 'businessseatprice': ticket.businessseatprice,
+                #                 'noseatnum': Ticket.noseatnum, 'noseatprice': ticket.noseatprice} for ticket in tickets]
+                ticket_data = {'secondseatnum': 12, 'secondseatprice': 100,'firstseatnum': 15, 
+                                'firstseatprice': 200,'businessseatnum': 18, 'businessseatprice': 300,
+                                'noseatnum': 6, 'noseatprice': 100} 
+                return JsonResponse({'message': '选座成功', 'tickets': ticket_data})
+            else:
+                return JsonResponse({'message': '选座失败', 'reason': '未找到匹配的座次信息'})
+        except KeyError as e:
+            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)
+        except json.JSONDecodeError:
+            return JsonResponse({'message': '无效的JSON数据'}, status=400)
+
+    return JsonResponse({'message': '不支持的请求方法'}, status=405)
+#获取乘客信息
+def get_passengers(request):
+    if request.method == 'GET':
+        newpassengers = list(Newpassenger.objects.all().values('id', 'name', 'mobileno', 'idcardno','passengerstate'))
+        return JsonResponse({'passenger': newpassengers})
+    
+
+#添加乘客信息
+def addpassenger(request):
+    if request.method == 'POST':  
+        try:  
+            # 解析 JSON 数据  
+            data = json.loads(request.body)  
+            name = data.get('name')  
+            idcardno = data.get('idCard')  
+            mobileno = data.get('PhoneNO')
+            passengerstate = data.get('passengerstate')
+
+        # 创建Passenger对象并保存到数据库
+            newpassengers = Newpassenger(
+            name=name,
+            mobileno=mobileno,
+            idcardno=idcardno,
+            passengerstate=passengerstate
+        )
+            newpassengers.save()
+            return JsonResponse({'message':'添加成功'},)
+
+        except KeyError as e:  
+            # 如果有任何键不存在，返回400错误  
+            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)  
+        except json.JSONDecodeError:  # 添加异常处理来捕获JSON解析错误  
+            return JsonResponse({'message': '无效的JSON数据'}, status=400)  
+  
+    # 处理非POST请求的情况  
+    return JsonResponse({'message': '不支持的请求方法'}, status=405)  # 对于非POST请求，返回405状态码
+    
+
+#购买车票
+
+
+#退票
+def refund_ticket(request):
+    if request.method == 'POST':
+        try:
+            data = json.loads(request.body)
+            ticket_id = data.get('ticket_id')  # 车票ID
+            
+            # 检查车票是否存在
+            ticket = Ticket.objects.get(id=ticket_id)
+
+            # 删除车票记录
+            ticket.delete()
+
+            # 返回退票成功信息
+            return JsonResponse({'message': '退票成功'})
+        except KeyError as e:
+            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)
+        except Ticket.DoesNotExist:
+            return JsonResponse({'message': '退票失败', 'reason': '该车票不存在'}, status=404)
+        except json.JSONDecodeError:
+            return JsonResponse({'message': '无效的JSON数据'}, status=400)
+
+    return JsonResponse({'message': '不支持的请求方法'}, status=405)
+
+#改签
+def reschedule_ticket(request):
+    if request.method == 'POST':
+        try:
+            data = json.loads(request.body)
+            ticket_id = data.get('ticket_id')  # 车票ID
+            new_train_id = data.get('new_train_id')  # 新车次ID
+            new_date = data.get('new_date')  # 新日期
+            new_departure_time = data.get('new_departure_time')  # 新出发时间
+            new_arrival_time = data.get('new_arrival_time')  # 新到达时间
+            
+            # 检查车票是否存在
+            ticket = Ticket.objects.get(id=ticket_id)
+            
+            # 检查新车次是否存在
+            new_train = Train.objects.get(id=new_train_id)
+            
+            # 更新车票信息
+            ticket.train = new_train
+            ticket.date = new_date
+            ticket.departure_time = new_departure_time
+            ticket.arrival_time = new_arrival_time
+            ticket.save()
+
+            # 返回改签成功信息
+            return JsonResponse({'message': '改签成功', 'ticket_id': ticket.id})
+        except KeyError as e:
+            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)
+        except Ticket.DoesNotExist:
+            return JsonResponse({'message': '改签失败', 'reason': '该车票不存在'}, status=404)
+        except Train.DoesNotExist:
+            return JsonResponse({'message': '改签失败', 'reason': '新车次不存在'}, status=404)
+        except json.JSONDecodeError:
+            return JsonResponse({'message': '无效的JSON数据'}, status=400)
+
+    return JsonResponse({'message': '不支持的请求方法'}, status=405)
\ No newline at end of file
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similarity index 100%
rename from src/wq/mysite/mysite/asgi.py
rename to src/Mini-12306后端开发/mysite/mysite/asgi.py
diff --git a/src/wq/mysite/mysite/settings.py b/src/Mini-12306后端开发/mysite/mysite/settings.py
similarity index 82%
rename from src/wq/mysite/mysite/settings.py
rename to src/Mini-12306后端开发/mysite/mysite/settings.py
index 2efb5389..92daaf2c 100644
--- a/src/wq/mysite/mysite/settings.py
+++ b/src/Mini-12306后端开发/mysite/mysite/settings.py
@@ -25,34 +25,18 @@ SECRET_KEY = 'django-insecure-wub5jg!ye3iu5=e$a7c0!mx^)x*3r(er%1s_nph@h+rp*_lvql
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = ['localhost', '127.0.0.1', '192.168.251.7']
+ALLOWED_HOSTS = ['localhost', '127.0.0.1', '192.168.106.1']
 # ALLOWED_HOSTS = ['*']
 
 # Application definition
 
 
-# DATABASES = {  
-#     'default': {  
-#         'ENGINE': 'django.db.backends.mysql',  # 使用MySQL作为数据库引擎  
-#         'NAME': 'mini12306',          # 数据库名  
-#         'USER': 'root',          # 数据库用户名  
-#         'PASSWORD': 'luoyi091821',  # 数据库密码  
-#         # 'HOST': '192.168.43.196',                   # 数据库主机名或IP地址  
-#         'HOST': '127.0.0.1',
-#         'PORT': '3306',                        # 数据库端口号（MySQL默认是3306）  
-#         'OPTIONS': {  
-#             'init_command': "SET sql_mode='STRICT_TRANS_TABLES'",  # 初始化命令，根据需要修改  
-#             'charset': 'utf8mb4',  # 设置字符集，推荐使用utf8mb4来支持emoji等  
-#         },  
-#     }  
-# }
-
 DATABASES = {  
     'default': {  
         'ENGINE': 'django.db.backends.mysql',  # 使用MySQL作为数据库引擎 
         'NAME': 'mini12306', # 这就是你要访问的数据库名  
         'USER': 'root', # 替换为你的数据库用户名  
-        'PASSWORD': 'luoyi091821', # 替换为你的数据库密码  
+        'PASSWORD': 'xiaofan123.', # 替换为你的数据库密码  
         'HOST': 'localhost', # 替换为远程数据库服务器的实际IP地址或域名  
         'PORT': '3306', # 如果MySQL服务器不是使用默认端口，请更改此值  
         'OPTIONS': {  
diff --git a/src/wq/mysite/mysite/urls.py b/src/Mini-12306后端开发/mysite/mysite/urls.py
similarity index 67%
rename from src/wq/mysite/mysite/urls.py
rename to src/Mini-12306后端开发/mysite/mysite/urls.py
index 23139a63..9d001d6f 100644
--- a/src/wq/mysite/mysite/urls.py
+++ b/src/Mini-12306后端开发/mysite/mysite/urls.py
@@ -21,7 +21,10 @@ from myapp import Login
 from myapp import views
 from myapp.views import save_passenger
 from myapp.views import login_view
-# from myapp.views import register_view
+from myapp.views import search_train
+# from myapp.views import buy_ticket
+from myapp.views import book_ticket
+from myapp.views import addpassenger,get_passengers
 app_name = 'myapp'
 
 urlpatterns = [
@@ -30,8 +33,13 @@ urlpatterns = [
     # path('login/', Login.login, name='login'),
     path('save_passenger/', views.save_passenger, name='save_passenger'),
     path('login_view/', views.login_view, name='login_view'),
-    # path('register_view/', views.register_view, name='register_view'),
-    # path('', include('myapp.urls')),
+    path('search_train/', views.search_train, name='search_train'),
+    path('book_ticket/', views.book_ticket, name='book_ticket'),
+    # path('buy_ticket/', views.buy_ticket, name='buy_ticket'),
+    # path('refund_ticket/', views.refund_ticket, name='refund_ticket'),
+    path('get_passengers/', views.get_passengers, name='get_passengers'),
+    path('addpassenger/', views.addpassenger, name='addpassenger'),
+    path('', include('myapp.urls')),
     path('myapp/', include('myapp.urls')),
 ]
 
diff --git a/src/wq/mysite/mysite/wsgi.py b/src/Mini-12306后端开发/mysite/mysite/wsgi.py
similarity index 100%
rename from src/wq/mysite/mysite/wsgi.py
rename to src/Mini-12306后端开发/mysite/mysite/wsgi.py
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diff --git a/src/wq/mysite/myapp/__pycache__/urls.cpython-312.pyc b/src/wq/mysite/myapp/__pycache__/urls.cpython-312.pyc
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diff --git a/src/wq/mysite/myapp/__pycache__/views.cpython-311.pyc b/src/wq/mysite/myapp/__pycache__/views.cpython-311.pyc
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diff --git a/src/wq/mysite/myapp/__pycache__/views.cpython-312.pyc b/src/wq/mysite/myapp/__pycache__/views.cpython-312.pyc
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diff --git a/src/wq/mysite/myapp/admin.py b/src/wq/mysite/myapp/admin.py
deleted file mode 100644
index 8c38f3f3..00000000
--- a/src/wq/mysite/myapp/admin.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.contrib import admin
-
-# Register your models here.
diff --git a/src/wq/mysite/myapp/migrations/0001_initial.py b/src/wq/mysite/myapp/migrations/0001_initial.py
deleted file mode 100644
index 5206e44e..00000000
--- a/src/wq/mysite/myapp/migrations/0001_initial.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# Generated by Django 5.0.4 on 2024-05-16 02:08
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='mod',
-            fields=[
-                ('id', models.AutoField(primary_key=True, serialize=False)),
-                ('user', models.CharField(max_length=255)),
-                ('password', models.IntegerField()),
-            ],
-        ),
-    ]
diff --git a/src/wq/mysite/myapp/migrations/0002_mytable.py b/src/wq/mysite/myapp/migrations/0002_mytable.py
deleted file mode 100644
index 4c2de205..00000000
--- a/src/wq/mysite/myapp/migrations/0002_mytable.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# Generated by Django 5.0.4 on 2024-05-16 03:36
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('myapp', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='MyTable',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('field1', models.CharField(max_length=100)),
-                ('field2', models.IntegerField()),
-            ],
-            options={
-                'db_table': 'my_table',
-            },
-        ),
-    ]
diff --git a/src/wq/mysite/myapp/migrations/0003_passenger_delete_mytable.py b/src/wq/mysite/myapp/migrations/0003_passenger_delete_mytable.py
deleted file mode 100644
index eecaa14e..00000000
--- a/src/wq/mysite/myapp/migrations/0003_passenger_delete_mytable.py
+++ /dev/null
@@ -1,28 +0,0 @@
-# Generated by Django 5.0.4 on 2024-05-16 16:58
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('myapp', '0002_mytable'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Passenger',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('name', models.CharField(max_length=100)),
-                ('account', models.CharField(max_length=100)),
-                ('password', models.CharField(max_length=100)),
-                ('mobileno', models.CharField(max_length=20)),
-                ('bankcardno', models.CharField(max_length=100)),
-                ('idcardno', models.CharField(max_length=100)),
-            ],
-        ),
-        migrations.DeleteModel(
-            name='MyTable',
-        ),
-    ]
diff --git a/src/wq/mysite/myapp/migrations/0004_alter_passenger_account.py b/src/wq/mysite/myapp/migrations/0004_alter_passenger_account.py
deleted file mode 100644
index 6ca055f0..00000000
--- a/src/wq/mysite/myapp/migrations/0004_alter_passenger_account.py
+++ /dev/null
@@ -1,18 +0,0 @@
-# Generated by Django 5.0.4 on 2024-05-16 18:05
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('myapp', '0003_passenger_delete_mytable'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='passenger',
-            name='account',
-            field=models.CharField(max_length=100, null=True),
-        ),
-    ]
diff --git a/src/wq/mysite/myapp/migrations/0005_alter_passenger_bankcardno_alter_passenger_idcardno_and_more.py b/src/wq/mysite/myapp/migrations/0005_alter_passenger_bankcardno_alter_passenger_idcardno_and_more.py
deleted file mode 100644
index dd33fab7..00000000
--- a/src/wq/mysite/myapp/migrations/0005_alter_passenger_bankcardno_alter_passenger_idcardno_and_more.py
+++ /dev/null
@@ -1,38 +0,0 @@
-# Generated by Django 5.0.4 on 2024-05-16 18:07
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('myapp', '0004_alter_passenger_account'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='passenger',
-            name='bankcardno',
-            field=models.CharField(max_length=100, null=True),
-        ),
-        migrations.AlterField(
-            model_name='passenger',
-            name='idcardno',
-            field=models.CharField(max_length=100, null=True),
-        ),
-        migrations.AlterField(
-            model_name='passenger',
-            name='mobileno',
-            field=models.CharField(max_length=20, null=True),
-        ),
-        migrations.AlterField(
-            model_name='passenger',
-            name='name',
-            field=models.CharField(max_length=100, null=True),
-        ),
-        migrations.AlterField(
-            model_name='passenger',
-            name='password',
-            field=models.CharField(max_length=100, null=True),
-        ),
-    ]
diff --git a/src/wq/mysite/myapp/migrations/__pycache__/0001_initial.cpython-312.pyc b/src/wq/mysite/myapp/migrations/__pycache__/0001_initial.cpython-312.pyc
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index cf9ab7c0..00000000
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index 0988b221..00000000
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diff --git a/src/wq/mysite/myapp/migrations/__pycache__/__init__.cpython-312.pyc b/src/wq/mysite/myapp/migrations/__pycache__/__init__.cpython-312.pyc
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index d988bf31..00000000
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diff --git a/src/wq/mysite/myapp/models.py b/src/wq/mysite/myapp/models.py
deleted file mode 100644
index 20f1ae31..00000000
--- a/src/wq/mysite/myapp/models.py
+++ /dev/null
@@ -1,31 +0,0 @@
-from django.db import models
-
-class mod(models.Model):
-    id = models.AutoField(primary_key=True)
-    user= models.CharField(max_length=255)
-    password= models.IntegerField() 
-    
-    # 数据输出样式
-    def __str__(self):
-        return f"['id': {self.id}, 'user': {self.user}, 'password': {self.password}]"
-        
-        class Meta:
-            db_table = 'us_pass'  
-            # 指定数据表名，可以是需要新建表的表名
-            # 也可以是数据库中已存在的表
-            # 但变量名需要和数据库中保持一致。
-
-
-from django.db import models
-
-class Passenger(models.Model):
-    name = models.CharField(max_length=100, null=True)
-    account = models.CharField(max_length=100, null=True)
-    password = models.CharField(max_length=100, null=True)
-    mobileno = models.CharField(max_length=20, null=True)
-    bankcardno = models.CharField(max_length=100, null=True)
-    idcardno = models.CharField(max_length=100, null=True)
-    # 添加更多字段...
-
-    # def __str__(self):
-    #     return self.name
\ No newline at end of file
diff --git a/src/wq/mysite/myapp/temphtml/home.html b/src/wq/mysite/myapp/temphtml/home.html
deleted file mode 100644
index 6c55d8c1..00000000
--- a/src/wq/mysite/myapp/temphtml/home.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<form action="/index/" method="post">
-    <!--从home页post跳转到index页-->
-        {% csrf_token %}
-        name：<input type="text" name="name"/><br/>
-        password：<input type="password" name="password"/><br/>
-        <input type="submit" value="提交"/>
-    </form>
\ No newline at end of file
diff --git a/src/wq/mysite/myapp/urls.py b/src/wq/mysite/myapp/urls.py
deleted file mode 100644
index 42c186f6..00000000
--- a/src/wq/mysite/myapp/urls.py
+++ /dev/null
@@ -1,9 +0,0 @@
-# passengers/urls.py
-from django.urls import path
-from . import views
-# from myapp.views import save_passenger
-
-urlpatterns = [
-    path('save-passenger/', views.save_passenger, name='save_passenger'),
-    path('login/', views.login_view, name='login'),
-]
\ No newline at end of file
diff --git a/src/wq/mysite/myapp/views.py b/src/wq/mysite/myapp/views.py
deleted file mode 100644
index 202c1a83..00000000
--- a/src/wq/mysite/myapp/views.py
+++ /dev/null
@@ -1,75 +0,0 @@
-# myapp/views.py
-from django.views.decorators.csrf import csrf_exempt  
-from django.http import HttpResponseBadRequest  
-from django.http import HttpResponse
-from django.contrib.auth import authenticate, login 
-# from django.contrib.auth.models import User
-from django.shortcuts import render 
-from .models import Passenger
-import json  # 确保导入了json模块 
-from django.http import JsonResponse  
-from myapp.models import Passenger
-@csrf_exempt  # 如果需要跨域且没有CSRF中间件 
-def save_passenger(request):
-    if request.method == 'POST':  
-        try:  
-            # 解析 JSON 数据  
-            data = json.loads(request.body)  
-            name = data.get('name')  
-            account = data.get('PhoneNO')
-            idcardno = data.get('idCard')  
-            mobileno = data.get('PhoneNO')
-            password = data.get('password')
-            bankcardno = data.get('Bankcard')
-
-        # 创建Passenger对象并保存到数据库
-            passenger = Passenger(
-            name=name,
-            account=account,
-            password=password,
-            mobileno=mobileno,
-            bankcardno=bankcardno,
-            idcardno=idcardno
-        )
-            passenger.save()
- 
-            return JsonResponse({'message': '注册成功'})  
-            # else:  
-            #     return JsonResponse({'message': '注册失败', 'reason': '姓名或身份证号不正确'})  # 使用JsonResponse并设置状态码  
-        except KeyError as e:  
-            # 如果有任何键不存在，返回400错误  
-            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)  
-        except json.JSONDecodeError:  # 添加异常处理来捕获JSON解析错误  
-            return JsonResponse({'message': '无效的JSON数据'}, status=400)  
-  
-    # 处理非POST请求的情况  
-    return JsonResponse({'message': '不支持的请求方法'}, status=405)  # 对于非POST请求，返回405状态码
-
-
-def login_view(request):
-    if request.method == 'POST':  
-        try:  
-            # 解析 JSON 数据  
-            data = json.loads(request.body)  
-            account = data.get('account')  
-            password = data.get('password') 
-            # 查询 passenger 表，查找匹配的账号和密码
-            # passenger = Passenger.objects.filter(account=account, password=password).first()
-            passenger = Passenger.objects.get(account=account, password=password)
-            if passenger is not None:  
-            #     user = authenticate(request, account=passenger.account, password=passenger.password)
-            #     if user is not None:
-            #         login(request, user)
-                return JsonResponse({'message': '登录成功'})  
-            else :
-                return JsonResponse({'message': '登录失败', 'reason': '账号或密码不正确'})  # 使用JsonResponse并设置状态码  
-            # else:  
-            #     return JsonResponse({'message': '登录失败', 'reason': '账号或密码不正确'})  # 使用JsonResponse并设置状态码  
-        except KeyError as e:  
-            # 如果有任何键不存在，返回400错误  
-            return JsonResponse({'message': f'缺少必要的参数: {e}'}, status=400)  
-        except json.JSONDecodeError:  # 添加异常处理来捕获JSON解析错误  
-            return JsonResponse({'message': '无效的JSON数据'}, status=400)  
-  
-    # 处理非POST请求的情况  
-    return JsonResponse({'message': '不支持的请求方法'}, status=405)
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